From 2606937c834e226f11ced344871ad489795ff1e4 Mon Sep 17 00:00:00 2001 From: Gregory Neil Shapiro Date: Mon, 6 Jun 2005 04:25:51 +0000 Subject: [PATCH 1/1] Import sendmail 8.13.4 into a new contrib directory as the first step towards upgrading sendmail in DragonFly. 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ST=California, L=Berkeley, O=Sendmail Consortium, CN=Certificate Authority/emailAddress=certificates@sendmail.org + Validity + Not Before: Feb 1 21:51:47 2003 GMT + Not After : Jan 31 21:51:47 2008 GMT + Subject: C=US, ST=California, L=Berkeley, O=Sendmail Consortium, CN=Certificate Authority/emailAddress=certificates@sendmail.org + Subject Public Key Info: + Public Key Algorithm: rsaEncryption + RSA Public Key: (1024 bit) + Modulus (1024 bit): + 00:9a:fb:dc:4c:a3:58:21:1b:84:78:0a:53:56:b3: + 8d:84:05:b7:db:dd:d7:81:ea:dd:c1:ab:d4:be:d9: + 2b:12:e0:6d:3a:31:d5:f0:7b:13:fc:d8:da:09:0b: + 71:11:8e:b9:48:c4:ab:ae:f5:9c:4c:e2:04:27:8e: + c8:03:3a:aa:00:8b:46:f2:79:09:ae:65:b2:9a:66: + e7:ac:a9:ea:32:f7:4a:4e:fd:da:41:48:34:5a:9d: + b0:42:ea:55:40:17:27:5e:67:9e:e5:ce:dc:84:6d: + 1d:48:37:23:11:68:9d:a8:d4:58:02:05:ea:88:35: + bd:0d:b6:28:d5:cd:d4:d8:95 + Exponent: 65537 (0x10001) + X509v3 extensions: + X509v3 Subject Key Identifier: + DE:CD:6E:B8:89:34:06:3D:E9:CD:A7:FE:45:4F:4E:FB:E1:8D:E7:79 + X509v3 Authority Key Identifier: + keyid:DE:CD:6E:B8:89:34:06:3D:E9:CD:A7:FE:45:4F:4E:FB:E1:8D:E7:79 + DirName:/C=US/ST=California/L=Berkeley/O=Sendmail Consortium/CN=Certificate Authority/emailAddress=certificates@sendmail.org + serial:00 + + X509v3 Basic Constraints: + CA:TRUE + Signature Algorithm: md5WithRSAEncryption + 66:92:b9:57:17:3b:6a:0e:72:b1:85:29:53:9f:11:68:a0:0d: + 79:43:d0:7c:48:73:b9:71:09:50:08:02:03:0b:28:0c:33:9a: + 00:ac:94:69:4f:bc:0f:45:6b:f5:3a:ca:6a:87:a1:7f:28:f7: + 9a:c4:b6:b0:f3:dc:a3:eb:42:95:9f:99:19:f8:b8:84:6d:f1: + 1d:bc:9f:f0:a0:cc:60:2d:00:6b:17:55:33:16:85:d1:73:e1: + 00:59:89:33:19:c4:2e:29:5a:39:a7:0e:e7:9b:d2:4c:c7:b9: + 7d:6a:3e:b4:00:83:86:d3:16:28:fd:ad:55:65:60:4e:14:02: + 46:d3 +-----BEGIN CERTIFICATE----- +MIIDsDCCAxmgAwIBAgIBADANBgkqhkiG9w0BAQQFADCBnTELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExETAPBgNVBAcTCEJlcmtlbGV5MRwwGgYDVQQK 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c7:1e:4e:ef:76:f0:55:8f:a0:a5:f8:07:c5:52:1d: + a2:42:81:4d:8a:c8:42:3f:f3:01:80:f9:46:35:a6: + bc:c0:9b:9f:33:8b:49:9b:1d:87:8f:19:48:15:21: + 23:57:df:6e:4d:03:ed:ae:9f:0b:91:b7:a9:47:66: + f1:0d:1b:1c:5d:b4:57:60:c7 + Exponent: 65537 (0x10001) + X509v3 extensions: + X509v3 Subject Key Identifier: + A0:6D:E0:06:AF:61:94:B4:C6:84:15:B4:8B:74:22:67:4A:43:60:CA + X509v3 Authority Key Identifier: + keyid:A0:6D:E0:06:AF:61:94:B4:C6:84:15:B4:8B:74:22:67:4A:43:60:CA + DirName:/C=US/ST=California/L=Emeryville/O=gshapiro.net/CN=Certificate Authority/emailAddress=certificates@gshapiro.net + serial:00 + + X509v3 Basic Constraints: + CA:TRUE + Signature Algorithm: md5WithRSAEncryption + 87:27:d2:2a:3a:dc:04:cd:ef:e8:7b:1c:34:47:2e:13:34:a5: + 08:f9:4d:df:d8:e1:6d:e6:9a:db:38:ee:20:6d:4a:ae:6f:1e: + bc:71:61:a4:b4:d6:40:24:ee:65:ca:e9:81:5a:ef:ee:62:57: + 70:05:46:91:6b:d0:c6:a6:e9:38:65:ae:ea:50:b3:5c:27:c4: + 7a:bd:95:8c:cb:45:ef:fc:fc:99:e5:6a:61:c3:44:77:d8:1f: + d6:b4:17:44:15:9a:bc:26:5b:ec:4e:29:5d:fd:cf:61:f3:be: + 91:a4:3b:51:e6:73:5b:17:82:9d:5a:56:2c:63:c2:f1:d6:a2: + 4c:5a +-----BEGIN CERTIFICATE----- +MIIDoTCCAwqgAwIBAgIBADANBgkqhkiG9w0BAQQFADCBmDELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExEzARBgNVBAcTCkVtZXJ5dmlsbGUxFTATBgNV +BAoTDGdzaGFwaXJvLm5ldDEeMBwGA1UEAxMVQ2VydGlmaWNhdGUgQXV0aG9yaXR5 +MSgwJgYJKoZIhvcNAQkBFhljZXJ0aWZpY2F0ZXNAZ3NoYXBpcm8ubmV0MB4XDTAy +MDEwMTA0Mzk1NFoXDTA2MTIzMTA0Mzk1NFowgZgxCzAJBgNVBAYTAlVTMRMwEQYD +VQQIEwpDYWxpZm9ybmlhMRMwEQYDVQQHEwpFbWVyeXZpbGxlMRUwEwYDVQQKEwxn +c2hhcGlyby5uZXQxHjAcBgNVBAMTFUNlcnRpZmljYXRlIEF1dGhvcml0eTEoMCYG +CSqGSIb3DQEJARYZY2VydGlmaWNhdGVzQGdzaGFwaXJvLm5ldDCBnzANBgkqhkiG +9w0BAQEFAAOBjQAwgYkCgYEAqt2i/jv6L1w98eHUHVUEJ2sBYgDXAst0R2mE18bF +cVV5NTqozt5II1OAPM1ULun+sXZavsv9LdyjNsXHHk7vdvBVj6Cl+AfFUh2iQoFN +ishCP/MBgPlGNaa8wJufM4tJmx2HjxlIFSEjV99uTQPtrp8LkbepR2bxDRscXbRX +YMcCAwEAAaOB+DCB9TAdBgNVHQ4EFgQUoG3gBq9hlLTGhBW0i3QiZ0pDYMowgcUG 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Rickert/emailAddress=rickert@cs.niu.edu + Subject Public Key Info: + Public Key Algorithm: rsaEncryption + RSA Public Key: (1024 bit) + Modulus (1024 bit): + 00:b1:1b:49:06:ef:3f:44:e0:93:ad:8c:a7:f7:21: + 7c:87:cb:da:35:f6:4b:a2:fd:8a:a0:07:5b:cc:6a: + 9b:89:33:fc:24:f5:b1:24:59:5a:25:50:fd:16:d7: + d4:bc:c7:04:1d:df:90:9b:5e:c3:a8:e9:8b:7d:a3: + 5d:9a:e9:7f:e5:2b:ea:15:a7:ad:ba:58:26:0a:11: + 49:4f:da:9a:67:7f:b0:a6:66:f4:27:b6:61:4e:3c: + c8:3e:a0:2f:6a:b4:0e:15:d6:39:f8:92:60:85:df: + a6:34:f3:fa:a4:a5:e4:47:49:e7:87:a4:a5:5c:8e: + 6a:2f:13:76:5f:29:f3:64:73 + Exponent: 65537 (0x10001) + X509v3 extensions: + X509v3 Subject Key Identifier: + B6:31:78:BB:7E:AA:4D:A1:5D:FD:A2:24:18:C6:90:5A:2D:2F:19:48 + X509v3 Authority Key Identifier: + keyid:B6:31:78:BB:7E:AA:4D:A1:5D:FD:A2:24:18:C6:90:5A:2D:2F:19:48 + DirName:/C=US/ST=Illinois/L=De Kalb/O=Northern Illinois University/OU=Computer Science/CN=Neil Rickert/emailAddress=rickert@cs.niu.edu + serial:00 + + X509v3 Basic Constraints: + CA:TRUE + Signature Algorithm: md5WithRSAEncryption + 60:69:23:65:97:51:5c:06:a4:42:cb:00:e7:9a:dc:39:70:c3: + d3:5d:bf:0f:e0:04:54:4d:d9:dc:12:57:12:6c:67:fd:5b:b0: + 39:63:ea:c4:12:65:51:bb:3d:f1:f7:25:b4:cd:0b:f6:5b:7a: + 61:25:ad:06:0a:01:55:dc:71:05:29:0d:73:e9:30:51:be:d3: + e1:b2:89:fc:0f:28:f7:06:75:96:1b:34:75:e0:07:e5:3b:b3: + 0b:28:24:e5:79:ea:55:39:e7:d2:ee:ec:63:b4:e4:c6:ee:cb: + 15:d0:c8:eb:3b:4f:36:10:a4:6a:c0:6b:03:e8:29:72:c7:a7: + 10:00 +-----BEGIN CERTIFICATE----- +MIID5TCCA06gAwIBAgIBADANBgkqhkiG9w0BAQQFADCBrjELMAkGA1UEBhMCVVMx +ETAPBgNVBAgTCElsbGlub2lzMRAwDgYDVQQHEwdEZSBLYWxiMSUwIwYDVQQKExxO +b3J0aGVybiBJbGxpbm9pcyBVbml2ZXJzaXR5MRkwFwYDVQQLExBDb21wdXRlciBT +Y2llbmNlMRUwEwYDVQQDEwxOZWlsIFJpY2tlcnQxITAfBgkqhkiG9w0BCQEWEnJp +Y2tlcnRAY3Mubml1LmVkdTAeFw0wMDA1MTIwMDQwNTBaFw0xMDA1MjAwMDQwNTBa +MIGuMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNVBAcTB0Rl +IEthbGIxJTAjBgNVBAoTHE5vcnRoZXJuIElsbGlub2lzIFVuaXZlcnNpdHkxGTAX 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Number: 0 (0x0) + Signature Algorithm: md5WithRSAEncryption + Issuer: C=US, ST=California, L=Berkeley, O=Endmail Org, OU=MTA, CN=Claus Assmann CA RSA 2003/emailAddress=ca+ca-rsa2003@esmtp.org + Validity + Not Before: Aug 7 15:56:45 2003 GMT + Not After : Aug 6 15:56:45 2006 GMT + Subject: C=US, ST=California, L=Berkeley, O=Endmail Org, OU=MTA, CN=Claus Assmann CA RSA 2003/emailAddress=ca+ca-rsa2003@esmtp.org + Subject Public Key Info: + Public Key Algorithm: rsaEncryption + RSA Public Key: (2048 bit) + Modulus (2048 bit): + 00:aa:37:0f:09:a9:1c:e3:1a:0c:fe:bd:6c:37:a4: + cf:87:db:af:6b:b4:19:d4:11:db:c6:56:ca:39:80: + c6:a4:38:b0:bc:ac:7e:be:71:30:86:2c:dc:fa:b5: + fd:58:23:a0:c1:ad:11:53:85:ca:fb:e6:d8:7e:28: + eb:84:3b:cd:a3:fa:28:a5:cb:c7:b2:54:99:3e:40: + 2a:27:43:4b:0c:26:4b:af:97:3d:92:82:d9:eb:2c: + 7f:77:fd:b8:cd:7e:1e:04:81:17:3c:e2:44:68:ce: + 88:66:02:90:24:35:24:c4:4c:ad:77:04:1a:3a:d5: + 59:28:28:03:da:03:9d:f4:2e:52:6e:b5:36:96:4b: + 14:f8:fc:8e:c6:d3:9b:e2:80:90:8b:71:d7:d0:5c: + 43:b2:49:f1:5a:26:f3:5d:9e:3b:01:98:db:e3:ed: + 5e:8d:dd:cf:aa:68:9d:0b:c9:e2:4e:fc:16:44:72: + 93:07:62:18:05:c1:47:81:3c:3d:e4:e4:22:da:2c: + d6:4a:44:52:06:7a:83:b5:e9:52:38:97:2f:75:a6: + 5c:6f:87:8a:8d:83:f4:d0:04:a5:34:18:5e:a1:06: + 16:b3:54:ce:64:47:ca:70:56:a3:6f:b9:7f:af:91: + 76:78:70:b4:ab:ae:8e:d5:22:26:57:b1:ba:e7:4b: + 18:21 + Exponent: 65537 (0x10001) + X509v3 extensions: + X509v3 Subject Key Identifier: + 3A:12:03:DB:0F:9E:28:45:A6:34:8D:38:AB:BA:47:8C:2A:A0:E4:2E + X509v3 Authority Key Identifier: + keyid:3A:12:03:DB:0F:9E:28:45:A6:34:8D:38:AB:BA:47:8C:2A:A0:E4:2E + DirName:/C=US/ST=California/L=Berkeley/O=Endmail Org/OU=MTA/CN=Claus Assmann CA RSA 2003/emailAddress=ca+ca-rsa2003@esmtp.org + serial:00 + + X509v3 Basic Constraints: + CA:TRUE + X509v3 Subject Alternative Name: + email:ca+ca-rsa2003@esmtp.org + X509v3 Issuer Alternative Name: + email:ca+ca-rsa2003@esmtp.org + Signature Algorithm: md5WithRSAEncryption + 96:83:b6:54:93:df:38:d0:48:a7:a1:c8:08:c9:0f:e9:80:05: + e3:7e:c3:61:51:88:7b:7a:bb:24:b0:69:a3:22:e4:98:38:da: + c8:c3:eb:52:70:63:e2:66:f2:59:ef:56:be:aa:7c:87:6e:94: + 85:d4:71:ba:35:f7:ee:d0:6e:52:1d:1f:e4:fd:2f:e2:70:31: + 5d:b7:8b:13:cc:70:10:21:fa:34:29:8f:8d:d8:4a:c7:0f:b2: + 36:e7:1e:1e:46:d1:11:84:80:7c:bb:24:c4:63:be:2a:24:53: + 74:0c:89:e0:6a:f4:08:63:bf:54:d3:0a:d9:fc:fe:6c:de:4f: + 97:61:08:a0:10:92:eb:af:06:ec:50:86:c4:cc:6b:31:32:60: + 25:7a:09:47:f8:42:7a:a2:d5:90:fa:48:be:bf:0a:e1:03:b8: + 56:24:b9:12:e9:ba:09:30:47:be:a5:8e:a2:92:a4:dc:a6:a7: + c6:29:39:65:6e:64:4a:1b:b2:c3:07:29:f5:c0:7e:78:e0:22: + 9b:98:d4:87:91:ca:e1:66:9d:2f:70:f1:4c:a5:8e:2e:68:52: + b3:bd:95:76:56:40:0e:46:47:e4:b3:ec:aa:3c:e8:86:96:5a: + ed:fa:c9:10:95:53:04:13:71:01:91:ce:cd:3a:51:c6:30:e9: + 48:49:64:a3 +-----BEGIN CERTIFICATE----- +MIIFFzCCA/+gAwIBAgIBADANBgkqhkiG9w0BAQQFADCBpTELMAkGA1UEBhMCVVMx +EzARBgNVBAgTCkNhbGlmb3JuaWExETAPBgNVBAcTCEJlcmtlbGV5MRQwEgYDVQQK 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It is +available at http://www.sendmail.org/faq/ . + +A plain-text version of the questions only, with URLs referring to +the answers, is posted to comp.mail.sendmail on the 10th and 25th +of each month. + +$Revision: 8.24 $, Last updated $Date: 1999/02/07 03:21:03 $ diff --git a/contrib/sendmail-8.13.4/INSTALL b/contrib/sendmail-8.13.4/INSTALL new file mode 100644 index 0000000000..19a60c69d1 --- /dev/null +++ b/contrib/sendmail-8.13.4/INSTALL @@ -0,0 +1,46 @@ + + Installing sendmail + +**Note**: Starting with sendmail 8.12, sendmail is no longer set-user-ID +root by default. As a result of this, you need to install two .cf files. +See steps 4 and 6 in this document. We also strongly recommend reading +sendmail/SECURITY for more installation information. + +1. Read all the README files noted in the INTRODUCTION section of the README + file in this top-level directory. + +2. Create any necessary site configuration build files, as noted in + devtools/Site/README. + +3. In the sendmail/ directory, run "sh Build" (see sendmail/README for + details). + +4. Change to the cf/cf/ directory (that's not a typo): Copy whichever .mc + file best matches your environment to sendmail.mc. Next, tailor it + as explained in cf/README. Then run + "sh Build sendmail.cf". + +5. Back up your current /etc/mail/sendmail.cf and the sendmail binary (whose + location varies from operating system to operating system, but is usually + in /usr/sbin or /usr/lib). + +6. Install sendmail.cf as /etc/mail/sendmail.cf and submit.cf as + /etc/mail/submit.cf. This can be done in the cf/cf by using + "sh Build install-cf". + + Please read sendmail/SECURITY before continuing; you have to create a + new user smmsp and a new group smmsp for the default installation. + Then install the sendmail binary built in step 3 by cd-ing back to + sendmail/ and running "sh Build install". + +7. For each of the associated sendmail utilities (makemap, mailstats, + etc.), read the README in the utility's directory if it exists. When + you are ready to install it, back up your installed version and type "sh + Build install". + +8. If you are upgrading from an older version of sendmail and are using any + database maps, be sure to rebuild them with the new version of makemap, + in case you are now using a different (and thereby incompatible) version + of Berkeley DB. + +$Revision: 8.15 $, Last updated $Date: 2002/05/28 18:09:25 $ diff --git a/contrib/sendmail-8.13.4/KNOWNBUGS b/contrib/sendmail-8.13.4/KNOWNBUGS new file mode 100644 index 0000000000..c13be19ba1 --- /dev/null +++ b/contrib/sendmail-8.13.4/KNOWNBUGS @@ -0,0 +1,250 @@ + + + K N O W N B U G S I N S E N D M A I L + + +The following are bugs or deficiencies in sendmail that we are aware of +but which have not been fixed in the current release. You probably +want to get the most up to date version of this from ftp.sendmail.org +in /pub/sendmail/KNOWNBUGS. For descriptions of bugs that have been +fixed, see the file RELEASE_NOTES (in the root directory of the sendmail +distribution). + +This list is not guaranteed to be complete. + +* Delivery to programs that generate too much output may cause problems + + If e-mail is delivered to a program which generates too much + output, then sendmail may issue an error: + + timeout waiting for input from local during Draining Input + + Make sure that the program does not generate output beyond a + status message (corresponding to the exit status). This may + require a wrapper around the actual program to redirect output + to /dev/null. + + Such a problem has been reported for bulk_mailer. + +* Null bytes are not handled properly in headers. + + Sendmail should handle full binary data. As it stands, it handles + all values in the body, but only 0x01-0x80 and 0xA0-0xFF in + the header. Notably missing is 0x00, which would require a major + restructuring of the code -- for example, almost no C library support + could be used to handle strings. + +* Header checks are not called if header value is too long or empty. + + If the value of a header is longer than 1250 (MAXNAME + MAXATOM - 6) + characters or it contains a single word longer than 256 (MAXNAME) + characters then no header check is done even if one is configured for + the header. + +* Header lines which are too long will be split incorrectly. + + Header lines which are longer than 2045 characters will be split + but some characters might be lost. Fix: obey RFC (2)822 and do not + send lines that are longer than 1000 characters. + +* Sender addresses whose domain part cause a temporary A record lookup + failure but have a valid MX record will be temporarily rejected in + the default configuration. Solution: fix the DNS at the sender side. + If that's not easy to achieve, possible workarounds are: + - add an entry to the access map: + dom.ain OK + - (only for advanced users) replace + +# Resolve map (to check if a host exists in check_mail) +Kresolve host -a -T + + with + +# Resolve map (to check if a host exists in check_mail) +Kcanon host -a -T +Kdnsmx dns -R MX -a -T +Kresolve sequence dnsmx canon + + +* Duplicate error messages. + + Sometimes identical, duplicate error messages can be generated. As + near as I can tell, this is rare and relatively innocuous. + +* Misleading error messages. + + If an illegal address is specified on the command line together + with at least one valid address and PostmasterCopy is set, the + DSN does not contain the illegal address, but only the valid + address(es). + +* \231 considered harmful. + + Header addresses that have the \231 character (and possibly others + in the range \201 - \237) behave in odd and usually unexpected ways. + +* accept() problem on SVR4. + + Apparently, the sendmail daemon loop (doing accept()s on the network) + can get into a weird state on SVR4; it starts logging ``SYSERR: + getrequests: accept: Protocol Error''. The workaround is to kill + and restart the sendmail daemon. We don't have an SVR4 system at + Berkeley that carries more than token mail load, so I can't validate + this. It is likely to be a glitch in the sockets emulation, since + "Protocol Error" is not possible error code with Berkeley TCP/IP. + + I've also had someone report the message ``sendmail: accept: + SIOCGPGRP failed errno 22'' on an SVR4 system. This message is + not in the sendmail source code, so I assume it is also a bug + in the sockets emulation. (Errno 22 is EINVAL "Invalid Argument" + on all the systems I have available, including Solaris 2.x.) + Apparently, this problem is due to linking -lc before -lsocket; + if you are having this problem, check your Makefile. + +* accept() problem on Linux. + + The accept() in sendmail daemon loop can return ETIMEDOUT. An + error is reported to syslog: + + Jun 9 17:14:12 hostname sendmail[207]: NOQUEUE: SYSERR(root): + getrequests: accept: Connection timed out + + "Connection timed out" is not documented as a valid return from + accept(2) and this was believed to be a bug in the Linux kernel. + Later information from the Linux kernel group states that Linux + 2.0 kernels follow RFC1122 while sendmail follows the original BSD + (now POSIX 1003.1g draft) specification. The 2.1.X and later kernels + will follow the POSIX draft. + +* Excessive mailing list nesting can run out of file descriptors. + + If you have a mailing list that includes lots of other mailing + lists, each of which has a separate owner, you can run out of + file descriptors. Each mailing list with a separate owner uses + one open file descriptor (prior to 8.6.6 it was three open + file descriptors per list). This is particularly egregious if + you have your connection cache set to be large. + +* Connection caching breaks if you pass the port number as an argument. + + If you have a definition such as: + + Mport, P=[IPC], F=kmDFMuX, S=11/31, R=21, + M=2100000, T=DNS/RFC822/SMTP, + A=IPC [127.0.0.1] $h + + (i.e., where $h is the port number instead of the host name) the + connection caching code will break because it won't notice that + two messages addressed to different ports should use different + connections. + +* ESMTP SIZE underestimates the size of a message + + Sendmail makes no allowance for headers that it adds, nor does it + account for the SMTP on-the-wire \r\n expansion. It probably doesn't + allow for 8->7 bit MIME conversions either. + +* Client ignores SIZE parameter. + + When sendmail acts as client and the server specifies a limit + for the mail size, sendmail will ignore this and try to send the + mail anyway. The server will usually reject the MAIL command + which specifies the size of the message and hence this problem + is not significant. + +* Paths to programs being executed and the mode of program files are + not checked. Essentially, the RunProgramInUnsafeDirPath and + RunWritableProgram bits in the DontBlameSendmail option are always + set. This is not a problem if your system is well managed (that is, + if binaries and system directories are mode 755 instead of something + foolish like 777). + +* 8-bit data in GECOS field + + If the GECOS (personal name) information in the passwd file contains + 8-bit characters, those characters can be included in the message + header, which can cause problems when sending SMTP to hosts that + only accept 7-bit characters. + +* 8->7 bit MIME conversion + + When sendmail is doing 8->7 bit MIME conversions, and the message + contains certain MIME body types that cannot be converted to 7-bit, + sendmail will strip the message to 7-bit. + +* 7->8 bit MIME conversion + + If a message that is encoded as 7-bit MIME is converted to 8-bit and + that message when decoded is illegal (e.g., because of long lines or + illegal characters), sendmail can produce an illegal message. + +* MIME encoded full name phrases in the From: header + + If a full name phrase includes characters from MustQuoteChars, sendmail + will quote the entire full name phrase. If MustQuoteChars includes + characters which are not special characters according to STD 11 (RFC + 822), this quotation can interfere with MIME encoded full name phrases. + By default, sendmail includes the single quote character (') in + MustQuoteChars even though it is not listed as a special character in + STD 11. + +* bestmx map with -z flag truncates the list of MX hosts + + A bestmx map configured with the -z flag will truncate the list + of MX hosts. This prevents creation of strings which are too + long for ruleset parsing. This can have an adverse effect on the + relay_based_on_MX feature. + +* Saving to ~sender/dead.letter fails if su'ed to root + + If ErrorMode is set to print and an error in sending mail occurs, + the normal action is to print a message to the screen and append + the message to a dead.letter file in the sender's home directory. + In the case where the sender is using su to act as root, the file + safety checks prevent sendmail from saving the dead.letter file + because the sender's uid and the current real uid do not match. + +* Berkeley DB 2.X race condition with fcntl() locking + + There is a race condition for Berkeley DB 2.X databases on + operating systems which use fcntl() style locking, such as + Solaris. Sendmail locks the map before calling db_open() to + prevent others from modifying the map while it is being opened. + Unfortunately, Berkeley DB opens the map, closes it, and then + reopens it. fcntl() locking drops the lock when any file + descriptor pointing to the file is closed, even if it is a + different file descriptor than the one used to initially lock + the file. As a result there is a possibility that entries in a + map might not be found during a map rebuild. As a workaround, + you can use makemap to build a map with a new name and then + "mv" the new db file to replace the old one. + + Sleepycat Software has added code to avoid this race condition to + Berkeley DB versions after 2.7.5. + +* File open timeouts not available on hard mounted NFS file systems + + Since SIGALRM does not interrupt an RPC call for hard mounted + NFS file systems, it is impossible to implement a timeout on a file + open operation. Therefore, while the NFS server is not responding, + attempts to open a file on that server will hang. Systems with + local mail delivery and NFS hard mounted home directories should be + avoided, as attempts to open the forward files could hang. + +* Race condition for delivery to set-user-ID files + + Sendmail will deliver to a fail if the file is owned by the DefaultUser + or has the set-user-ID bit set. Unfortunately, some systems clear that bit + when a file is modified. Sendmail compensates by resetting the file mode + back to it's original settings. Unfortunately, there's still a + permission failure race as sendmail checks the permissions before locking + the file. This is unavoidable as sendmail must verify the file is safe + to open before opening it. A file can not be locked until it is open. + +* MAIL_HUB always takes precedence over LOCAL_RELAY + + Despite the information in the documentation, MAIL_HUB ($H) will always + be used if set instead of LOCAL_RELAY ($R). This will be fixed in a + future version. + +$Revision: 8.57 $, Last updated $Date: 2004/12/02 23:39:01 $ diff --git a/contrib/sendmail-8.13.4/LICENSE b/contrib/sendmail-8.13.4/LICENSE new file mode 100644 index 0000000000..e8639f5a5a --- /dev/null +++ b/contrib/sendmail-8.13.4/LICENSE @@ -0,0 +1,79 @@ + SENDMAIL LICENSE + +The following license terms and conditions apply, unless a different +license is obtained from Sendmail, Inc., 6425 Christie Ave, Fourth Floor, +Emeryville, CA 94608, USA, or by electronic mail at license@sendmail.com. + +License Terms: + +Use, Modification and Redistribution (including distribution of any +modified or derived work) in source and binary forms is permitted only if +each of the following conditions is met: + +1. Redistributions qualify as "freeware" or "Open Source Software" under + one of the following terms: + + (a) Redistributions are made at no charge beyond the reasonable cost of + materials and delivery. + + (b) Redistributions are accompanied by a copy of the Source Code or by an + irrevocable offer to provide a copy of the Source Code for up to three + years at the cost of materials and delivery. Such redistributions + must allow further use, modification, and redistribution of the Source + Code under substantially the same terms as this license. For the + purposes of redistribution "Source Code" means the complete compilable + and linkable source code of sendmail including all modifications. + +2. Redistributions of source code must retain the copyright notices as they + appear in each source code file, these license terms, and the + disclaimer/limitation of liability set forth as paragraph 6 below. + +3. Redistributions in binary form must reproduce the Copyright Notice, + these license terms, and the disclaimer/limitation of liability set + forth as paragraph 6 below, in the documentation and/or other materials + provided with the distribution. For the purposes of binary distribution + the "Copyright Notice" refers to the following language: + "Copyright (c) 1998-2004 Sendmail, Inc. All rights reserved." + +4. Neither the name of Sendmail, Inc. nor the University of California nor + the names of their contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. The name "sendmail" is a trademark of Sendmail, Inc. + +5. All redistributions must comply with the conditions imposed by the + University of California on certain embedded code, whose copyright + notice and conditions for redistribution are as follows: + + (a) Copyright (c) 1988, 1993 The Regents of the University of + California. All rights reserved. + + (b) Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + (i) Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + (ii) Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + (iii) Neither the name of the University nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +6. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY + SENDMAIL, INC. AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + NO EVENT SHALL SENDMAIL, INC., THE REGENTS OF THE UNIVERSITY OF + CALIFORNIA OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + +$Revision: 8.13 $, Last updated $Date: 2004/05/11 23:57:57 $ diff --git a/contrib/sendmail-8.13.4/Makefile b/contrib/sendmail-8.13.4/Makefile new file mode 100644 index 0000000000..97b2afc54c --- /dev/null +++ b/contrib/sendmail-8.13.4/Makefile @@ -0,0 +1,49 @@ +# $Id: Makefile.dist,v 8.15 2001/08/23 20:44:39 ca Exp $ + +SHELL= /bin/sh +SUBDIRS= libsm libsmutil libsmdb sendmail editmap mail.local \ + mailstats makemap praliases rmail smrsh vacation +# libmilter: requires pthread +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + @for x in $(SUBDIRS); \ + do \ + (cd $$x; echo Making $@ in:; pwd; \ + $(SHELL) $(BUILD) $(OPTIONS)); \ + done + +clean: FRC + @for x in $(SUBDIRS); \ + do \ + (cd $$x; echo Making $@ in:; pwd; \ + $(SHELL) $(BUILD) $(OPTIONS) $@); \ + done + +install: FRC + @for x in $(SUBDIRS); \ + do \ + (cd $$x; echo Making $@ in:; pwd; \ + $(SHELL) $(BUILD) $(OPTIONS) $@); \ + done + +install-docs: FRC + @for x in $(SUBDIRS); \ + do \ + (cd $$x; echo Making $@ in:; pwd; \ + $(SHELL) $(BUILD) $(OPTIONS) $@); \ + done + +fresh: FRC + @for x in $(SUBDIRS); \ + do \ + (cd $$x; echo Making $@ in:; pwd; \ + $(SHELL) $(BUILD) $(OPTIONS) -c); \ + done + +$(SUBDIRS): FRC + @cd $@; pwd; \ + $(SHELL) $(BUILD) $(OPTIONS) + +FRC: diff --git a/contrib/sendmail-8.13.4/PGPKEYS b/contrib/sendmail-8.13.4/PGPKEYS new file mode 100644 index 0000000000..45ca18caed --- /dev/null +++ b/contrib/sendmail-8.13.4/PGPKEYS @@ -0,0 +1,1097 @@ +This file contains the PGP keys used to sign the various versions of +sendmail. You can add them to your PGP keyring using: + +PGP 2.X: pgp -ka PGPKEYS +PGP 5.X: pgpk -a PGPKEYS +GPG: gpg --import PGPKEYS + +Other versions of PGP may require you to separate each key into a +separate file and add them one at a time. + +Type Bits KeyID Created Expires Algorithm Use +pub 1024 0x16F4CCE9 1999-06-23 ---------- RSA Sign & Encrypt +f16 Fingerprint16 = 18 A4 51 78 CA 72 D4 A7 ED 80 BA 8A C4 98 71 1D +uid Sendmail Security + +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: PGPfreeware 5.0i for non-commercial use + +mQCNAzdxaGsAAAEEALq7JPrdyXCm3DdJEKR9miP8/B9vrferOBoNimPFceDEqCpm +0RiJtnGhUJwt/HZZhiGDWPYTIa7VajfxiEzJ7LZH+/uXgQFVN27fPwoNKCI+7sr3 +FnRs3Xapojn3d3LZSHagTh+VTuG5LxbP/m//sj2Rw1MMPw1b7sApykAW9MzpAAUR +tDJTZW5kbWFpbCBTZWN1cml0eSA8c2VuZG1haWwtc2VjdXJpdHlAc2VuZG1haWwu +b3JnPokAlQMFEDdxaGvAKcpAFvTM6QEB1bsD/jj+vTodXqoJphCrBLwFmwymopZp +/HHu8o8FURlL6jQ6ihCruCw6PxNMzSdgmnOgyXxyRZIVO1pUyWf/RnS/r09tPLlq +nZxdAPquhB2pkawvFp+Y///lb92SgfbS3/dtSDDAJ8FO+CDUKS5dKuZ6vSDU6ezH 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B5 E0 0F +uid Sendmail Signing Key/2003 + +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.2.1 (FreeBSD) + +mQCNAz4ktksAAAEEAM9Vrk1RpJV8oPwEUPPbqUY14VYc/LY5JQYV8ZU704C4c65D +L7VRxnO1U2FcJsd8IXz0Dd8xf5r5x3HMj00zEYe4x89gUEBW8bUODL3oH5Ww9064 +2Cxlq7qK3nNPtct4QrXTadg378CJrsgVQ3V/L1Zaj1Tt7J2PByGD4bE5bweJAAUT +tDFTZW5kbWFpbCBTaWduaW5nIEtleS8yMDAzIDxzZW5kbWFpbEBTZW5kbWFpbC5P +Ukc+iQCVAwUQPiS2SyGD4bE5bweJAQHbfAQAixSSHRd464OikvI7cPBkCVG7v/jo +n3/jc3fbOD3Y2jO+1L5K7SswDh2DwHfSx1BiUvhJutQPLbHv0SmrJwPQwR/DTi2e +PQV0dCx1rv+ztRjXaE7tLA5XsS8RTiBXfQRNamxUqPVA1hCAl6ulBbZ+uIGG8F6H +LgRV8jvNqjDxcKyJAJUDBRM+JLd071iWZNQy4Z0BATagBACq7IebGrBRDJtwPcps +O2K9eb1PPkMg57MYE5OmnNgMnMtVWBnMz+V+7Dg+72Hh+B8AL+0tRLNFxCWCr8Q0 +iW08kzgKA891NyZcvGyYCGr1vbaxGpHcb8wdgLE/2nu5E5poksA1x+Bo+ojJga17 +r5XKiOoSIR3ubyAtm4PrXlo14okAlQMFEz4kt8bBnB0lEtNGHQEBa6oEALajY9IY +M8zZkuuGNvZvjYKX1wt+TQwobFPOucx8RPT2NENF2jg+tstaansWBEXtFBbJO4Pw +MkbGrSirdUMjy20SZKZV9SbVUtT3JbZjrD844N7emc97DNZNd5p52FjSX3518U8A 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Emacs/PGP interface + +mQCNAzhVRnYAAAEEALjBKz/mDHemTNA+hNjGcruAJm6Blc9ZIGHPthQWkFt0ca70 +w0U8TBbK/m03WdMvq+PaZAb8EG5uqXctZKwmWIIGB7nRBLLnj42er8XwUfAT8KNJ +PQ1p9x9zFWZc3byC8ekg8l+CK/hJLFhGTSGjx8nHv+LvPis/mpwcveLjXFY1AAUR +tDFTZW5kbWFpbCBTaWduaW5nIEtleS8yMDAwIDxzZW5kbWFpbEBTZW5kbWFpbC5P +Ukc+iQCVAwUQOFVGdpwcveLjXFY1AQG2vgP/QRG6TqsmJgixf27F2IFgoJLUU+7C +ZmD1qNT9yL/1JMbE8pnzxOk64w8D47ZiDwr9dp3EzH8EpmV/eIpxLNYV7/Y+W59J +8+EY2T9mzVmp0YGOMFYt8lLVw6NKqya19adQ80dDzkkmwRHfY514+9+DPbc6TvHR +jNzo0SuetBiWW+2JAJUDBRA4VUa8b1KT2KObplUBAbtYA/491EG5lsbr09oV0g/e +RSfxliLj+lCJdQiicwYeqHX5dZeB04yz3wUFovIff8dY01KcITXBL9TtDfarz5Pl +nelUg5cIlKn7kxCeUP0ggA/tz6Zlg3v/LkoIqsUqrodqscjLPt2JTWPJYWYaVjM9 +fqXiXRXlVcy2urx6uEucvkjYY4kAlQMFEDhVRs3vWJZk1DLhnQEBwoYD/1zxfMMP +pqj3HV3d9q1esyvZdPACiAH+1CJVmtcIV8TjO5qYulxz2TEtd/JLqdYsgUgf2N8T +/ClMtfEReSTmVNWIsINAA75P16uIkDYZ8Tmo4XYOf80voeOhWlAwpyLQGIN3GVX+ +gLmC/9Fw2wo0E3LsCrUfXREZQTSXMqIe3YPJiQCVAwUQOFVG8XxLZ22gDhVjAQEA 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---------- RSA Sign & Encrypt +f16 Fingerprint16 = 25 73 4C 8E 94 B1 E8 EA EA 9B A4 D6 00 51 C3 71 +uid Sendmail Signing Key/1999 + +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: PGPfreeware 5.0i for non-commercial use +Comment: Processed by Mailcrypt 3.5.6, an Emacs/PGP interface + +mQCNAzaRMIoAAAEEAMWVJpGkwKWD6GFDUHtV6AUDzwSAXiWc6UinY7EpCLwFdYu9 +Le06VwQt8H9Xtb/2jrXDV61Wu0IDJub6g7PZxWxU8WHVnMX4aBT5WOCBpwFRme3u +idwCAbHuEJs12FQ3Tf+4CZ3R9uxlAovRaY6g3fJ7gtAc9HAjMW9Sk9ijm6ZVAAUR +tDFTZW5kbWFpbCBTaWduaW5nIEtleS8xOTk5IDxzZW5kbWFpbEBTZW5kbWFpbC5P +Ukc+iQCVAwUQNpEwi29Sk9ijm6ZVAQF3LQQAgpuD3UA69w5FjCAfY1iYBsaGJ31V +1IyFQbo5fAnVo8PMQzioqbsn2U1y1rRkf//gt8T5oVo6Q3e5oWQF/vcruEP2WUSZ +1BkV7zDWLsa6octYIEt4Rdr6gBxokzP0/Z7Ck0WOfSxEAGXbHZ6NpbcfNdIZAxhZ +WPqcem3zEwoK/l2JAJUDBRA2kTK271iWZNQy4Z0BAQltA/9b1Xtp6Sqr8LtBAUax +ziRYYmlIENgkYJGPrF5iB17d1M+aMyJ1IzdjKHaoa2+WpWYhzT7RalcxkrvXZEN7 +hTC5XqsmkGXeg2oiwJPCVTUoJY0goJKiMXI/zYcLGAxTnYr3rUevr+vOQyXPx6Ld 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+jrUhNvQ0uaY= +=2DHr +-----END PGP PUBLIC KEY BLOCK----- + +Type Bits KeyID Created Expires Algorithm Use +pub 1024 0xD432E19D 1998-03-14 ---------- RSA Sign & Encrypt +f16 Fingerprint16 = F9 32 40 A1 3B 3A B6 DE B2 98 6A 70 AF 54 9D 26 +uid Sendmail Signing Key/1998 + +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: PGPfreeware 5.0i for non-commercial use +Comment: Processed by Mailcrypt 3.5.6, an Emacs/PGP interface + +mQCNAzUKkdIAAAEEAKvdxY+iy7eLqxP5StbpZuxYNPWLye98bXA8oKwrEm1vy7Xq +LBg3uNXjlMtwcNW/r+oFu5A++2R+1qC7w/0867C+52D2zkfGRH3hn9Lh6YaA5uIP +LPbMGB3Tepbtj/lAtOJb7JKdybF7fkxkEUmwhuA5kAo1rKKWNu9YlmTUMuGdAAUT +tDFTZW5kbWFpbCBTaWduaW5nIEtleS8xOTk4IDxzZW5kbWFpbEBTZW5kbWFpbC5P +Ukc+iQCVAwUQNQqUqXxLZ22gDhVjAQHaYQQAiFITCRAEKhLlgjcFlehTDmVMFb92 +1jiclN6377xe+A2zEtq4p3R8IwwiVTGeBzs0Zmnrlo+fAdVFYBjIYCtwKVTwd72U +v6kxX40CjNkx6q264hUjILOumQ2P85/Aqg7wmnK9vM85CkmhKwu7b1OHsY+EFAlo +U9CWyVjwSQqzHnaJAJUDBRA1CpJ4I+Ri1L97pCEBAcRtA/0czuj3hK7YiVL3zZaV 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Allman + +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: PGPfreeware 5.0i for non-commercial use +Comment: Processed by Mailcrypt 3.5.6, an Emacs/PGP interface + +mQCNAy9MzZsAAAEEAK3o3N9W8Ynb47vNtIqUvdjYYl/nEt/hddhumsDNqt/icanP +7x9VTS1bCfKmAEQ86DSkWRWZmhIpExbcqmuRtixn/RfDHzJ4hU/wAd6kAzUTVIfY +wLC5NinszKoaqlBWlQkWKW/2GbryLmYIRhIDOKkIBxSgskpShSPkYtS/e6QhAAUR +tCVFcmljIFAuIEFsbG1hbiA8ZXJpY0BJblJlZmVyZW5jZS5DT00+iQCVAwUQMv+v +Pr3aj9Y/6n39AQF3hAQApIJUr5W7b1wvi+WVGVc9iWtmKB3U/O7iddjeqeOWCx+P +6XgD94rkSanFbfCT4Sq8HQNbtTDtBVYFU0SD6GTH5SZ93FUQ6h0OAW5cueHGnfH6 +s+a2N87pPVKxh/brycLvr08to2TvRTbxbebPkF6UWOlurdPI1Ga4kgLZF0Ppwd6J +AJUDBRAyWFEdXuWsrmbLc90BAaE6BACqO5uGZQ1rLrFxOi9ljDghYmDRLFI0x1ls +NWh//FAGduRs3N+NemP715N/8vH4n+nY0u0xfPDMi5UklmD1l4EHJlHxNvrXNnQl +I7gLkkKxvCly/hjbKiMciDtpnUYGa8dgSy/nru6J8QSpOhXbs+UeMsY8xtPYTZqp +e5fNjWhVJokAlQMFEDXQJ5koffu9cgNgzQEBfyoEAJ2xCThNeVvFv7PVgduPA64M +qxlVvvbYNU9or223DuBGzxtaq6ReKOyQ75rI9DCD+ACqexyc6vhMnw3scd9dklLp 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b/contrib/sendmail-8.13.4/README @@ -0,0 +1,466 @@ + + SENDMAIL RELEASE 8 + +This directory has the latest sendmail(TM) software from Sendmail, Inc. + +Report any bugs to sendmail-bugs@sendmail.ORG + +There is a web site at http://WWW.Sendmail.ORG/ -- see that site for +the latest updates. + ++--------------+ +| INTRODUCTION | ++--------------+ + +0. The vast majority of queries to + are answered in the README files noted below. + +1. Read this README file, especially this introduction, and the DIRECTORY + PERMISSIONS sections. + +2. Read the INSTALL file in this directory. + +3. Read sendmail/README, especially: + a. the introduction + b. the BUILDING SENDMAIL section + c. the relevant part(s) of the OPERATING SYSTEM AND COMPILE QUIRKS section + + You may also find these useful: + + d. sendmail/SECURITY + e. devtools/README + f. devtools/Site/README + g. libmilter/README + h. mail.local/README + i. smrsh/README + +4. Read cf/README. + +Sendmail is a trademark of Sendmail, Inc. + ++-----------------------+ +| DIRECTORY PERMISSIONS | ++-----------------------+ + +Sendmail often gets blamed for many problems that are actually the +result of other problems, such as overly permissive modes on directories. +For this reason, sendmail checks the modes on system directories and +files to determine if they can be trusted. For sendmail to run without +complaining, you MUST execute the following command: + + chmod go-w / /etc /etc/mail /usr /var /var/spool /var/spool/mqueue + chown root / /etc /etc/mail /usr /var /var/spool /var/spool/mqueue + +You will probably have to tweak this for your environment (for example, +some systems put the spool directory into /usr/spool instead of +/var/spool). If you set the RunAsUser option in your sendmail.cf, the +/var/spool/mqueue directory will have to be owned by the RunAsUser user. +As a general rule, after you have compiled sendmail, run the command + + sendmail -v -bi + +to initialize the alias database. If it gives messages such as + + WARNING: writable directory /etc + WARNING: writable directory /var/spool/mqueue + +then the directories listed have inappropriate write permissions and +should be secured to avoid various possible security attacks. + +Beginning with sendmail 8.9, these checks have become more strict to +prevent users from being able to access files they would normally not +be able to read. In particular, .forward and :include: files in unsafe +directory paths (directory paths which are group or world writable) will +no longer be allowed. This would mean that if user joe's home directory +was writable by group staff, sendmail would not use his .forward file. +This behavior can be altered, at the expense of system security, by +setting the DontBlameSendmail option. For example, to allow .forward +files in group writable directories: + + O DontBlameSendmail=forwardfileingroupwritabledirpath + +Or to allow them in both group and world writable directories: + + O DontBlameSendmail=forwardfileinunsafedirpath + +Items from these unsafe .forward and :include: files will be marked +as unsafe addresses -- the items can not be deliveries to files or +programs. This behavior can also be altered via DontBlameSendmail: + + O DontBlameSendmail=forwardfileinunsafedirpath, + forwardfileinunsafedirpathsafe + +The first flag allows the .forward file to be read, the second allows +the items in the file to be marked as safe for file and program +delivery. + +Other files affected by this strengthened security include class +files (i.e., Fw /etc/mail/local-host-names), persistent host status files, +and the files specified by the ErrorHeader and HelpFile options. Similar +DontBlameSendmail flags are available for the class, ErrorHeader, and +HelpFile files. + +If you have an unsafe configuration of .forward and :include: +files, you can make it safe by finding all such files, and doing +a "chmod go-w $FILE" on each. Also, do a "chmod go-w $DIR" for +each directory in the file's path. + + ++--------------------------+ +| FILE AND MAP PERMISSIONS | ++--------------------------+ + +Any application which uses either flock() or fcntl() style locking or +other APIs that use one of these locking methods (such as open() with +O_EXLOCK and O_SHLOCK) on files readable by other local untrusted users +may be susceptible to local denial of service attacks. + +File locking is used throughout sendmail for a variety of files +including aliases, maps, statistics, and the pid file. Any user who +can open one of these files can prevent sendmail or it's associated +utilities, e.g., makemap or newaliases, from operating properly. This +can also affect sendmail's ability to update status files such as +statistics files. For system which use flock() for file locking, a +user's ability to obtain an exclusive lock prevents other sendmail +processes from reading certain files such as alias or map databases. + +A workaround for this problem is to protect all sendmail files such +that they can't be opened by untrusted users. As long as users can +not open a file, they can not lock it. Since queue files should +already have restricted permissions, the only files that need +adjustment are alias, map, statistics, and pid files. These files +should be owned by root or the trusted user specified in the +TrustedUser option. Changing the permissions to be only readable and +writable by that user is sufficient to avoid the denial of service. +For example, depending on the paths you use, these commands would be +used: + + chmod 0640 /etc/mail/aliases /etc/mail/aliases.{db,pag,dir} + chmod 0640 /etc/mail/*.{db,pag,dir} + chmod 0640 /etc/mail/statistics /var/log/sendmail.st + chmod 0600 /var/run/sendmail.pid /etc/mail/sendmail.pid + +If the permissions 0640 are used, be sure that only trusted users belong +to the group assigned to those files. Otherwise, files should not even +be group readable. As of sendmail 8.12.4, the permissions shown above +are the default permissions for newly created files. + +Note that the denial of service on the plain text aliases file +(/etc/mail/aliases) only prevents newaliases from rebuilding the +aliases file. The same is true for the database files on systems which +use fcntl() style locking. Since it does not interfere with normal +operations, sites may chose to leave these files readable. Also, it is +not necessary to protect the text files associated with map databases +as makemap does not lock those files. + + ++-----------------------+ +| RELATED DOCUMENTATION | ++-----------------------+ + +There are other files you should read. Rooted in this directory are: + + FAQ + The FAQ (frequently answered questions) is no longer maintained + with the sendmail release. It is available at + http://www.sendmail.org/faq/ . The file FAQ is a reminder of + this and a pointer to the web page. + INSTALL + Installation instructions for building and installing sendmail. + KNOWNBUGS + Known bugs in the current release. + RELEASE_NOTES + A detailed description of the changes in each version. This + is quite long, but informative. + sendmail/README + Details on compiling and installing sendmail. + cf/README + Details on configuring sendmail. + doc/op/op.me + The sendmail Installation & Operations Guide. In addition + to the shipped PostScript version, plain text and PDF versions + can be generating using (assuming the required conversion software + is installed on your system, see doc/op/Makefile): + + cd doc/op && make op.txt op.pdf + + Be warned: on some systems calling make in doc/op/ will cause + errors due to nroff/groff problems. Known problems are: + - running this off on systems with an old version of -me, you + need to add the following macro to the macros: + + .de sm + \s-1\\$1\\s0\\$2 + .. + + This sets a word in a smaller pointsize. + + - with new groff versions (1.18 seems affected) + + GROFF_NO_SGR=1 + + needs to be set, e.g., in doc/op/Makefile: + + ROFF_CMD= GROFF_NO_SGR=1 groff + + ++--------------+ +| RELATED RFCS | ++--------------+ + +There are several related RFCs that you may wish to read -- they are +available via anonymous FTP to several sites. For a list of the +primary repositories see: + + http://www.isi.edu/in-notes/rfc-retrieval.txt + +They are also online at: + + http://www.ietf.org/ + +They can also be retrieved via electronic mail by sending +email to one of: + + mail-server@nisc.sri.com + Put "send rfcNNN" in message body + nis-info@nis.nsf.net + Put "send RFCnnn.TXT-1" in message body + sendrfc@jvnc.net + Put "RFCnnn" as Subject: line + +For further instructions see: + + http://www.isi.edu/in-notes/rfc-editor/rfc-info + +Important RFCs for electronic mail are: + + RFC821 SMTP protocol + RFC822 Mail header format + RFC974 MX routing + RFC976 UUCP mail format + RFC1123 Host requirements (modifies 821, 822, and 974) + RFC1344 Implications of MIME for Internet Mail Gateways + RFC1413 Identification server + RFC1428 Transition of Internet Mail from Just-Send-8 to + 8-bit SMTP/MIME + RFC1652 SMTP Service Extension for 8bit-MIMEtransport + RFC1869 SMTP Service Extensions (ESMTP spec) + RFC1870 SMTP Service Extension for Message Size Declaration + RFC1891 SMTP Service Extension for Delivery Status Notifications + RFC1892 Multipart/Report Content Type for the Reporting of + Mail System Administrative Messages + RFC1893 Enhanced Mail System Status Codes + RFC1894 An Extensible Message Format for Delivery Status + Notifications + RFC1985 SMTP Service Extension for Remote Message Queue Starting + RFC2033 Local Mail Transfer Protocol (LMTP) + RFC2034 SMTP Service Extension for Returning Enhanced Error Codes + RFC2045 Multipurpose Internet Mail Extensions (MIME) Part One: + Format of Internet Message Bodies + RFC2476 Message Submission + RFC2487 SMTP Service Extension for Secure SMTP over TLS + RFC2554 SMTP Service Extension for Authentication + RFC2821 Simple Mail Transfer Protocol + RFC2822 Internet Message Format + RFC2852 Deliver By SMTP Service Extension + RFC2920 SMTP Service Extension for Command Pipelining + +Other standards that may be of interest (but which are less directly +relevant to sendmail) are: + + RFC987 Mapping between RFC822 and X.400 + RFC1049 Content-Type header field (extension to RFC822) + +Warning to AIX users: this version of sendmail does not implement +MB, MR, or MG DNS resource records, as defined (as experiments) in +RFC1035. + + ++---------+ +| WARNING | ++---------+ + +Since sendmail 8.11 and later includes hooks to cryptography, the +following information from OpenSSL applies to sendmail as well. + +PLEASE REMEMBER THAT EXPORT/IMPORT AND/OR USE OF STRONG CRYPTOGRAPHY +SOFTWARE, PROVIDING CRYPTOGRAPHY HOOKS OR EVEN JUST COMMUNICATING +TECHNICAL DETAILS ABOUT CRYPTOGRAPHY SOFTWARE IS ILLEGAL IN SOME +PARTS OF THE WORLD. SO, WHEN YOU IMPORT THIS PACKAGE TO YOUR +COUNTRY, RE-DISTRIBUTE IT FROM THERE OR EVEN JUST EMAIL TECHNICAL +SUGGESTIONS OR EVEN SOURCE PATCHES TO THE AUTHOR OR OTHER PEOPLE +YOU ARE STRONGLY ADVISED TO PAY CLOSE ATTENTION TO ANY EXPORT/IMPORT +AND/OR USE LAWS WHICH APPLY TO YOU. THE AUTHORS ARE NOT LIABLE FOR +ANY VIOLATIONS YOU MAKE HERE. SO BE CAREFUL, IT IS YOUR RESPONSIBILITY. + +If you use OpenSSL then make sure you read their README file which +contains information about patents etc. + + ++-------------------+ +| DATABASE ROUTINES | ++-------------------+ + +IF YOU WANT TO RUN THE NEW BERKELEY DB SOFTWARE: **** DO NOT **** +use the version that was on the Net2 tape -- it has a number of +nefarious bugs that were bad enough when I got them; you shouldn't have +to go through the same thing. Instead, get a new version via the web at +http://www.sleepycat.com/. This software is highly recommended; it gets +rid of several stupid limits, it's much faster, and the interface is +nicer to animals and plants. If the Berkeley DB include files +are installed in a location other than those which your compiler searches, +you will need to provide that directory when building: + + Build -I/path/to/include/directory + +If you are using Berkeley DB versions 1.85 or 1.86, you are *strongly* +urged to upgrade to DB version 2 or later, available from +http://www.sleepycat.com/. Berkeley DB versions 1.85 and 1.86 are known to +be broken in various nasty ways (see http://www.sleepycat.com/db.185.html), +and can cause sendmail to dump core. In addition, the newest versions of +gcc and the Solaris compilers perform optimizations in those versions that +may cause fairly random core dumps. + +If you have no choice but to use Berkeley DB 1.85 or 1.86, and you are +using both Berkeley DB and files in the UNIX ndbm format, remove ndbm.h +and ndbm.o from the DB library after building it. You should also apply +all of the patches for DB 1.85 and 1.86 found at the Sleepycat web site +(see http://www.sleepycat.com/db.185.html), as they fix some of the known +problems. + +If you are using a version of Berkeley DB 2 previous to 2.3.15, and you +are using both Berkeley DB and files in the UNIX ndbm format, remove dbm.o +from the DB library after building it. No other changes are necessary. + +If you are using Berkeley DB version 2.3.15 or greater, no changes are +necessary. + +The underlying database file formats changed between Berkeley DB versions +1.85 and 1.86, again between DB 1.86 and version 2.0, and finally between +DB 2.X and 3.X. If you are upgrading from one of those versions, you must +recreate your database file(s). Do this by rebuilding all maps with +makemap and rebuilding the alias file with newaliases. + + ++--------------------+ +| HOST NAME SERVICES | ++--------------------+ + +If you are using NIS or /etc/hosts, it is critical that you +list the long (fully qualified) name somewhere (preferably first) in +the /etc/hosts file used to build the NIS database. For example, the +line should read + + 128.32.149.68 mastodon.CS.Berkeley.EDU mastodon + +**** NOT **** + + 128.32.149.68 mastodon + +If you do not include the long name, sendmail will complain loudly +about ``unable to qualify my own domain name (mastodon) -- using +short name'' and conclude that your canonical name is the short +version and use that in messages. The name "mastodon" doesn't mean +much outside of Berkeley, and so this creates incorrect and unreplyable +messages. + + ++-------------+ +| USE WITH MH | ++-------------+ + +This version of sendmail notices and reports certain kinds of SMTP +protocol violations that were ignored by older versions. If you +are running MH you may wish to install the patch in contrib/mh.patch +that will prevent these warning reports. This patch also works +with the old version of sendmail, so it's safe to go ahead and +install it. + + ++----------------+ +| USE WITH IDENT | ++----------------+ + +Sendmail 8 supports the IDENT protocol, as defined by RFC 1413. +Note that the RFC states a client should wait at least 30 seconds +for a response. As of 8.10.0, the default Timeout.ident is 5 seconds +as many sites have adopted the practice of dropping IDENT queries. +This has lead to delays processing mail. + +No ident server is included with this distribution. It is available +from: + + ftp://ftp.lysator.liu.se/pub/ident/servers/ + http://sf.www.lysator.liu.se/~pen/pidentd/ + ++-------------------------+ +| INTEROPERATION PROBLEMS | ++-------------------------+ + +Microsoft Exchange Server 5.0 + We have had a report that ``about 7% of messages from Sendmail + to Exchange were not being delivered with status messages of + "connection reset" and "I/O error".'' Upgrading Exchange from + Version 5.0 to Version 5.5 Service Pack 2 solved this problem. + +CommuniGate Pro + CommuniGate Pro 3.2.4 does not accept the AUTH= -parameter on + the MAIL FROM command if the client is not authenticated. Use + + define(`confAUTH_OPTIONS', `A') + + in .mc file if you have compiled sendmail with Cyrus SASL + and you communicate with CommuniGate Pro servers. + ++---------------------+ +| DIRECTORY STRUCTURE | ++---------------------+ + +The structure of this directory tree is: + +cf Source for sendmail configuration files. These are + different than what you've seen before. They are a + fairly dramatic rewrite, requiring the new sendmail + (since they use new features). +contrib Some contributed tools to help with sendmail. THESE + ARE NOT SUPPORTED by sendmail -- contact the original + authors if you have problems. (This directory is not + on the 4.4BSD tape.) +devtools Build environment. See devtools/README. +doc Documentation. If you are getting source, read + op.me -- it's long, but worth it. +editmap A program to edit and query maps that have been created + with makemap, e.g., adding and deleting entries. +include Include files used by multiple programs in the distribution. +libsmdb sendmail database library with support for Berkeley DB 1.X, + Berkeley DB 2.X, Berkeley DB 3.X, and NDBM. +libsmutil sendmail utility library with functions used by different + programs. +mail.local The source for the local delivery agent used for 4.4BSD. + THIS IS NOT PART OF SENDMAIL! and may not compile + everywhere, since it depends on some 4.4-isms. Warning: + it does mailbox locking differently than other systems. +mailstats Statistics printing program. +makemap A program that creates the keyed maps used by the $( ... $) + construct in sendmail. It is primitive but effective. + It takes a very simple input format, so you will probably + expect to preprocess must human-convenient formats + using sed scripts before this program will like them. + But it should be functionally complete. +praliases A program to print the DBM or NEWDB version of the + aliases file. +rmail Source for rmail(8). This is used as a delivery + agent for for UUCP, and could presumably be used by + other non-socket oriented mailers. Older versions of + rmail are probably deficient. RMAIL IS NOT PART OF + SENDMAIL!!! The 4.4BSD source is included for you to + look at or try to port to your system. There is no + guarantee it will even compile on your operating system. +smrsh The "sendmail restricted shell", which can be used as + a replacement for /bin/sh in the prog mailer to provide + increased security control. NOT PART OF SENDMAIL! +sendmail Source for the sendmail program itself. +test Some test scripts (currently only for compilation aids). +vacation Source for the vacation program. NOT PART OF SENDMAIL! + +$Revision: 8.91 $, Last updated $Date: 2002/11/09 23:33:07 $ diff --git a/contrib/sendmail-8.13.4/README.DELETE b/contrib/sendmail-8.13.4/README.DELETE new file mode 100644 index 0000000000..4ba55a7d1c --- /dev/null +++ b/contrib/sendmail-8.13.4/README.DELETE @@ -0,0 +1,9 @@ +Build +cf/cf/Build +cf/cf/generic-*.cf +devtools +doc/op/op.ps +*/Build +[e-v]*/*.0 +sendmail/makesendmail +sendmail/sysexits.h diff --git a/contrib/sendmail-8.13.4/README.DRAGONFLY b/contrib/sendmail-8.13.4/README.DRAGONFLY new file mode 100644 index 0000000000..c2e840477d --- /dev/null +++ b/contrib/sendmail-8.13.4/README.DRAGONFLY @@ -0,0 +1,80 @@ + + SENDMAIL-8.13.4 AS USED BY DRAGONFLY + + This directory contains a selected set of files from the + sendmail.8.13.4.tar.gz distribution. No files have been moved + or modified from their extracted position. + + This distribution was downloaded from the following site: + + ftp://ftp.sendmail.org/pub/sendmail/ + + DO NOT CREATE OR EDIT ANY FILES IN THIS DIRECTORY HIERARCHY! THIS + HIERARCHY REPRESENTS AN EXACT COPY, MINUS UNNEEDED FILES, OF THE + ORIGINAL ARCHIVE. All modifications are made in the + DragonFly build wrapper, in: + + bin/rmail/Makefile + etc/mail/Makefile + etc/sendmail/Makefile + lib/libmilter/Makefile + lib/libsm/Makefile + lib/libsmdb/Makefile + lib/libsmutil/Makefile + libexec/mail.local/Makefile + libexec/smrsh/Makefile + share/doc/smm/08.sendmailop/Makefile + share/sendmail/Makefile + usr.bin/vacation/Makefile + usr.sbin/editmap/Makefile + usr.sbin/mailstats/Makefile + usr.sbin/makemap/Makefile + usr.sbin/praliases/Makefile + usr.sbin/sendmail/Makefile + usr.sbin/mailwrapper/Makefile + + The only additional files added to this directory are README.DRAGONFLY + and README.DELETED. + + UPGRADE PROCDURE: + + * download a new sendmail distribution + + * extract the archive into /usr/src/contrib, using the subdirectory + that the archive extracts as. + + * redirect the build directory to the new directory: + + bin/rmail/Makefile + etc/mail/Makefile + etc/sendmail/Makefile + lib/libmilter/Makefile + lib/libsm/Makefile + lib/libsmdb/Makefile + lib/libsmutil/Makefile + libexec/mail.local/Makefile + libexec/smrsh/Makefile + share/doc/smm/08.sendmailop/Makefile + share/sendmail/Makefile + usr.bin/vacation/Makefile + usr.sbin/editmap/Makefile + usr.sbin/mailstats/Makefile + usr.sbin/makemap/Makefile + usr.sbin/praliases/Makefile + usr.sbin/sendmail/Makefile + usr.sbin/mailwrapper/Makefile + + * remove files that are not used from README.DELETED + + * Add the remainder to CVS. + + * Once the new archive is in place, the old one can be physically + removed from the DragonFly CVS repository. The CVS meister would + have to do the physical removal. + + DO NOT MAKE ANY EDITS TO THE DISTRIBUTION IN THIS CONTRIB + DIRECTORY, OTHER THEN TO ADD OR DELETE FILES ASSOCIATED WITH THE + DISTRIBUTION. + + The file README.DELETED contains a list of deleted files. + diff --git a/contrib/sendmail-8.13.4/RELEASE_NOTES b/contrib/sendmail-8.13.4/RELEASE_NOTES new file mode 100644 index 0000000000..098013524c --- /dev/null +++ b/contrib/sendmail-8.13.4/RELEASE_NOTES @@ -0,0 +1,9748 @@ + SENDMAIL RELEASE NOTES + $Id: RELEASE_NOTES,v 8.1730 2005/03/28 00:31:23 gshapiro Exp $ + + +This listing shows the version of the sendmail binary, the version +of the sendmail configuration files, the date of release, and a +summary of the changes in that release. + +8.13.4/8.13.4 2005/03/27 + The bug fixes in 8.13.3 for connection handling uncovered a + different error which could result in connections that + stay in CLOSE_WAIT state due to a variable that was not + properly initialized. Problem noted by Michael Sims. + Deal with empty hostnames in hostsignature(). This bug could lead + to an endless loop when doing LMTP deliveries to another + host. Problem first reported by Martin Lathoud and + tracked down by Gael Roualland. + Make sure return parameters are initialized in getmxrr(). Problem + found by Gael Roualland using valgrind. + If shared memory is used and the RunAsUser option is set, then the + owner and group of the shared memory segment is set to + the ids specified RunAsUser and the access mode is set + to 0660 to allow for updates by sendmail processes. + The number of queue entries that is (optionally) kept in shared + memory was wrong in some cases, e.g., envelope splitting + and bounce generation. + Undo a change made in 8.13.0 to silently truncate long strings + in address rewriting because the message can be triggered + for header checks where long strings are legitimate. + Problem reported by Mary Verge DeSisto, and tracked + down with the help of John Beck of Sun Microsystems. + The internal stab map did not obey the -m flag. Patch from + Rob McMahon of Warwick University, England. + The socket map did not obey the -f flag. Problem noted by + Dan Ringdahl, forwarded by Andrzej Filip. + The addition of LDAP recursion in 8.13.0 broke enforcement of + the LDAP map -1 argument which tells the MTA to only + return success if and only if a single LDAP match is found. + Add additional error checks in the MTA for milter communication + to avoid a possible segmentation fault. Based on patch + by Joe Maimon. + Do not trigger an assertion if X509_digest() returns success but + does not assign a value to its output parameter. Based + on patch by Brian Kantor. + Add more checks when resetting internal AUTH data (applies only + to Cyrus SASL version 2). Otherwise an SMTP session might + be dropped after an AUTH failure. + Portability: + Add LA_LONGLONG as valid LA_TYPE type for systems that use + "long long" to read load average data, e.g., + AIX 5.1 in 32 bit mode. Note: this has to be set + "by hand", it is not (yet) automatically detected. + Problem noted by Burak Bilen. + Use socklen_t for accept(), etc. on AIX 5.x. This should + fix problems when compiling in 64 bit mode. + Problem first reported by Harry Meiert of + University of Bremen. + New Files: + include/sm/sem.h + libsm/sem.c + libsm/t-sem.c + +8.13.3/8.13.3 2005/01/11 + Enhance handling of I/O errors, especially EOF, when STARTTLS + is active. + Make sure a connection is not reused after it has been closed + due to a 421 error. Problem found by Allan E Johannesen + of Worcester Polytechnic Institute. + Avoid triggering an assertion when sendmail is interrupted while + closing a connection. Problem found by Allan E Johannesen + of Worcester Polytechnic Institute. + Regression: a change in 8.13.2 caused sendmail not to try the + next MX host (or FallbackMXhost if configured) when, at + connection open, the current server returns a 4xy or 5xy + SMTP reply code. Problem noted by Mark Tranchant. + +8.13.2/8.13.2 2004/12/15 + Do not split the first header even if it exceeds the internal + buffer size. Previously a part of such a header would + end up in the body of the message. Problem noted by + Simple Nomad of BindView. + Do not complain about "cataddr: string too long" when checking + headers that do not contain RFC 2822 addresses. + Problem noted by Rich Graves of Brandeis University. + If a server returns a 421 reply to the RSET command between + message deliveries, do not attempt to deliver any more + messages on that connection. This prevents bogus "Bad + file number" recipient status. Problem noted by + Allan E Johannesen of Worcester Polytechnic Institute. + Allow trailing white space in EHLO command as recommended by RFC + 2821. Problem noted by Ralph Santagato of SBC Services. + Deal with clients which use AUTH but negotiate a smaller buffer size + for data exchanges than the value used by sendmail, e.g., + Cyrus IMAP lmtp server. Based on patch by Jamie Clark. + When passing ESMTP arguments for RCPT to a milter, do not cut + them off at a comma. Problem noted by Krzysztof Oledzki. + Add more logging to milter change header functions to + complement existing logging. Based on patch from + Gurusamy Sarathy of Active State. + Include in include/sm/config.h when LDAPMAP is defined. + Patch from Edgar Hoch of the University of Stuttgart. + Fix DNS lookup if IPv6 is enabled when converting an IP address + to a hostname for use with SASL. Problem noted by Ken Jones; + patch from Hajimu UMEMOTO. + CONFIG: For consistency enable MODIFY_MAILER_FLAGS for the prog + mailer. Patch from John Beck of Sun Microsystems. + LIBMILTER: It was possible that xxfi_abort() was called after + xxfi_eom() for a message if some timeouts were triggered. + Patch from Alexey Kravchuk. + LIBMILTER: Slightly rearrange mutex use in listener.c to allow + different threads to call smfi_opensocket() and smfi_main(). + Patch from Jordan Ritter of Cloudmark. + MAIL.LOCAL: Properly terminate MBDB before exiting. Problem + noted by Nelson Fung. + MAIL.LOCAL: make strip-mail.local used a wrong path to access + mail.local. Problem noted by William Park. + VACATION: Properly terminate MBDB before exiting. Problem noted + by Nelson Fung. + Portability: + Add support for DragonFly BSD. + New Files: + cf/ostype/dragonfly.m4 + devtools/OS/DragonFly + include/sm/os/sm_os_dragonfly.h + Deleted Files: + libsm/vsscanf.c + +8.13.1/8.13.1 2004/07/30 + Using the default AliasFile ldap: specification would cause the + objectClasses of the LDAP response to be included in the + alias expansion. Problem noted by Brenden Conte of + Rensselaer Polytechnic Institute. + Fix support for a fallback smart host for system where DNS is + (partially) available. From John Beck of Sun Microsystems. + Fix SuperSafe=PostMilter behavior when a milter replaces a body + but the data file is not yet stored on disk because it is + smaller than the size of the memory buffer. Problem noted + by David Russell. + Fix certificate revocation list support; if a CRL was specified + but the other side presented a cert that was signed by + a different (trusted) CA than the one which issued the CRL, + verification would always fail. Problem noted by Al Smith. + Run mailer programs as the RunAsUser when RunAsUser is set and + the F=S mailer flag is set without a U= mailer equate. + Problem noted by John Gardiner Myers of Proofpoint. + ${nbadrcpts} was off by one if BadRcptThrottle is zero. + Patch from Sung-hoon Choi of DreamWiz Inc. + CONFIG: Emit a warning if FEATURE(`access_db') is used after + FEATURE(`greet_pause') because then the latter will not + use the access map. Note: if no default value is given + for FEATURE(`greet_pause') then it issues an error if + FEATURE(`access_db') is not specified before it. + Problem noted by Alexander Dalloz of University of + Bielefeld. + CONFIG: Invoke ruleset Local_greet_pause if FEATURE(`greet_pause') + is used to give more flexibility for local changes. + Portability: + Fix a 64 bit problem in the socket map code. Problem + noted by Geoff Adams. + NetBSD 2.0F has closefrom(3). Patch from Andrew Brown. + NetBSD can use sysctl(3) to get the number of CPUs in + a system. Patch from Andrew Brown. + Add a README file in doc/op/ to explain potential + incompatibilities with various *roff related + tools. Problem tracked down by Per Hedeland. + New Files: + doc/op/README + +8.13.0/8.13.0 2004/06/20 + Do not include AUTH data in a bounce to avoid leaking confidential + information. See also cf/README about MSP and the section + "Providing SMTP AUTH Data when sendmail acts as Client". + Problem noted by Neil Rickert of Northern Illinois + University. + Fix compilation error in libsm/clock.c for -D_FFR_SLEEP_USE_SELECT=n + and -DSM_CONF_SETITIMER=0. Problem noted by Juergen Georgi + of RUS University of Stuttgart. + Fix bug in conversion from 8bit to quoted-printable. Problem found + by Christof Haerens, patch from Per Hedeland. + Add support for LDAP recursion based on types given to attribute + specifications in an LDAP map definition. This allows + LDAP queries to return a new query, a DN, or an LDAP + URL which will in turn be queried. See the ``LDAP + Recursion'' section of doc/op/op.me for more information. + Based on patch from Andrew Baucom. + Extend the default LDAP specifications for AliasFile + (O AliasFile=ldap:) and file classes (F{X}@LDAP) to + include support for LDAP recursion via new attributes. + See ``USING LDAP FOR ALIASES, MAPS, and CLASSES'' section + of cf/README for more information. + New option for LDAP maps: the -w option allows you to specify the + LDAP API/protocol version to use. The default depends on + the LDAP library. + New option for LDAP maps: the -H option allows you to specify an + LDAP URI instead of specifying the LDAP server via -h host + and -p port. This also allows for the use of LDAP over + SSL and connections via named sockets if your LDAP + library supports it. + New compile time flag SM_CONF_LDAP_INITIALIZE: set this if + ldap_initialize(3) is available (and LDAPMAP is set). + If MaxDaemonChildren is set and a command is repeated too often + during a SMTP session then terminate it just like it is + done for too many bad SMTP commands. + Basic connection rate control support has been added: the daemon + maintains the number of incoming connections per client + IP address and total in the macros {client_rate} and + {total_rate}, respectively. These macros can be used + in the cf file to impose connection rate limits. + A new option ConnectionRateWindowSize (default: 60s) + determines the length of the interval for which the + number of connections is stored. Based on patch from + Jose Marcio Martins da Cruz, Ecole des Mines de Paris. + Add optional protection from open proxies and SMTP slammers which + send SMTP traffic without waiting for the SMTP greeting. + If enabled by the new ruleset greet_pause (see + FEATURE(`greet_pause')), sendmail will wait the specified + amount of time before sending the initial 220 SMTP + greeting. If any traffic is received before then, a 554 + SMTP response is sent and all SMTP commands are rejected + during that connection. + If 32 NOOP (or unknown/bad) commands are issued by a client the SMTP + server could sleep for a very long time. Fix based on + patch from Tadashi Kobayashi of IIJ. + Fix a potential memory leak in persistent queue runners if the + number of entries in the queue exceeds the limit of jobs. + Problem noted by Steve Hubert of University of Washington. + Do not use 4.7.1 as enhanced status code because some broken systems + misinterpret it as a permanent error. + New value for SuperSafe: PostMilter which will delay fsync() until + all milters accepted the mail. This can increase + performance if many mails are rejected by milters due to + body scans. Based on patch from David F. Skoll. + New macro {msg_id} which contains the value of the Message-Id: + header, whether provided by the client or generated by + sendmail. + New macro {client_connections} which contains the number of open + connections in the SMTP server for the client IP address. + Based on patch from Jose Marcio Martins da Cruz, Ecole des + Mines de Paris. + sendmail will now remove its pidfile when it exits. This was done + to prevent confusion caused by running sendmail stop + scripts two or more times, where the second and subsequent + runs would report misleading error messages about sendmail's + pid no longer existing. See section 1.3.15 of doc/op/op.me + for a discussion of the implications of this, including + how to correct broken scripts which may have depended on + the old behavior. From John Beck of Sun Microsystems. + Support per-daemon input filter lists which override the default + filter list specified in InputMailFilters. The filters + can be listed in the I= equate of DaemonPortOptions. + Do not add all domain prefixes of the hostname to class 'w'. If + your configuration relies on this behavior, you have to + add those names to class 'w' yourself. Problem noted + by Sander Eerkes. + Support message quarantining in the mail queue. Quarantined + messages are not run on normal queue displays or runs + unless specifically requested with -qQ. Quarantined queue + files are named with an hf prefix instead of a qf prefix. + The -q command line option now can specify which queue to display + or run. -qQ operates on quarantined queue items. -qL + operates on lost queue items. + Restricted mail queue runs and displays can be done based on the + quarantined reason using -qQtext to run or display + quarantined items if the quarantine reason contains the + given text. Similarly, -q!Qtext will run or display + quarantined items which do not have the given text in the + quarantine reason. + Items in the queue can be quarantined or unquarantined using the + new -Q option. See doc/op/op.me for more information. + When displaying the quarantine mailq with 'mailq -qQ', the + quarantine reason is shown in a new line prefixed by + "QUARANTINE:". + A new error code for the $#error mailer, $@ quarantine, can be used + to quarantine messages in check_* (except check_compat) and + header check rulesets. The $: of the mailer triplet will + be used for the quarantine reason. + Add a new quarantine count to the mailstats collected. + Add a new macro ${quarantine} which is the quarantine reason for a + message if it is quarantined. + New map type "socket" for a trivial query protocol over UNIX domain + or TCP sockets (requires compile time option SOCKETMAP). + See sendmail/README and doc/op/op.me for details as well as + socketmapServer.pl and socketmapClient.pl in contrib. + Code donated by Bastiaan Bakker of LifeLine Networks. + Define new macro ${client_ptr} which holds the result of the PTR + lookup for the client IP address. Note: this is the same + as ${client_name} if and only if ${client_resolve} is OK. + Add a new macro ${nbadrcpts} which contains the number of bad + recipients received so far in a transaction. + Call check_relay with the value of ${client_name} to deal with bogus + DNS entries. See also FEATURE(`use_client_ptr'). Problem + noted by Kai Schlichting. + Treat Delivery-Receipt-To: headers the same as Return-Receipt-To: + headers (turn them into DSNs). Delivery-Receipt-To: is + apparently used by SIMS (Sun Internet Mail System). + Enable connection caching for LPC mailers. Patch from Christophe + Wolfhugel of France Telecom Oleane. + Do not silently truncate long strings in address rewriting. + Add support for Cyrus SASL version 2. From Kenneth Murchison of + Oceana Matrix Ltd. + Add a new AuthOption=m flag to require the use of mechanisms which + support mutual authentication. From Kenneth Murchison of + Oceana Matrix Ltd. + Fix logging of TLS related problems (introduced in 8.12.11). + The macros {auth_author} and {auth_authen} are stored in xtext + format just like the STARTTLS related macros to avoid + problems with parsing them. Problem noted by Pierangelo + Masarati of SysNet s.n.c. + New option AuthRealm to set the authentication realm that is + passed to the Cyrus SASL library. Patch from Gary Mills + of the University of Manitoba. + Enable AUTH mechanism EXTERNAL if STARTTLS verification was + successful, otherwise relaying would be allowed if + EXTERNAL is listed in TRUST_AUTH_MECH() and STARTTLS + is active. + Add basic support for certificate revocation lists. Note: if a + CRLFile is specified but the file is unusable, STARTTLS + is disabled. Based on patch by Ralf Hornik. + Enable workaround for inconsistent Cyrus SASLv1 API for mechanisms + DIGEST-MD5 and LOGIN. + Write pid to file also if sendmail only acts as persistent queue + runner. Proposed by Gary Mills of the University of Manitoba. + Keep daemon pid file(s) locked so other daemons don't try to + overwrite each other's pid files. + Increase maximum length of logfile fields for {cert_subject} and + {cert_issuer} from 128 to 256. Requested by Christophe + Wolfhugel of France Telecom. + Log the TLS verification message on the STARTTLS= log line at + LogLevel 12 or higher. + If the MSP is invoked with the verbose option (-v) then it will + try to use the SMTP command VERB to propagate this option + to the MTA which in turn will show the delivery just like + it was done before the default 8.12 separation of MSP and + MTA. Based on patch by Per Hedeland. + If a daemon is refusing connections for longer than the time specified + by the new option RejectLogInterval (default: 3 hours) due + to high load, log this information. Patch from John Beck + of Sun Microsystems. + Remove the ability for non-trusted users to raise the value of + CheckpointInterval on the command line. + New mailer flag 'B' to strip leading backslashes, which is a + subset of the functionality of the 's' flag. + New mailer flag 'W' to ignore long term host status information. + Patch from Juergen Georgi of RUS University of Stuttgart. + Enable generic mail filter API (milter) by default. To turn + it off, add -DMILTER=0 to the compile time options. + An internal SMTP session discard flag was lost after an RSET/HELO/EHLO + causing subsequent messages to be sent instead of being + discarded. This also caused milter callbacks to be called + out of order after the SMTP session was reset. + New option RequiresDirfsync to turn off the compile time flag + REQUIRES_DIR_FSYNC at runtime. See sendmail/README for + further information. + New command line option -D logfile to send debug output to + the indicated log file instead of stdout. + Add Timeout.queuereturn.dsn and Timeout.queuewarn.dsn to control + queue return and warning times for delivery status + notifications. + New queue sort order option: 'n'one for not sorting the queue entries + at all. + Several more return values for ruleset srv_features have been added + to enable/disable certain features in the server per + connection. See doc/op/op.me for details. + Support for SMTP over SSL (smtps), activated by Modifier=s + for DaemonPortOptions. + Continue with DNS lookups on ECONNREFUSED and TRY_AGAIN when + trying to canonify hostnames. Suggested by Neil Rickert + of Northern Illinois University. + Add support for a fallback smart host (option FallbackSmartHost) to + be tried as a last resort after all other fallbacks. This + is designed for sites with partial DNS (e.g., an accurate + view of inside the company, but an incomplete view of + outside). From John Beck of Sun Microsystems. + Enable timeout for STARTTLS even if client does not start the TLS + handshake. Based on patch by Andrey J. Melnikoff. + Remove deprecated -v option for PH map, use -k instead. Patch from + Mark Roth of the University of Illinois at Urbana-Champaign. + libphclient is version 1.2.x by default, if version 1.1.x is required + then compile with -DNPH_VERSION=10100. Patch from Mark Roth + of the University of Illinois at Urbana-Champaign. + Add Milter.macros.eom, allowing macros to be sent to milter + applications for use in the xxfi_eom() callback. + New macro {time} which contains the output of the time(3) function, + i.e., the number of seconds since 0 hours, 0 minutes, + 0 seconds, January 1, 1970, Coordinated Universal Time (UTC). + If check_relay sets the reply code to "421" the SMTP server will + terminate the SMTP session with a 421 error message. + Get rid of dead code that tried to access the environment variable + HOSTALIASES. + Deprecate the use of ErrorMode=write. To enable this in 8.13 + compile with -DUSE_TTYPATH=1. + Header check rulesets using $>+ (do not strip comments) will get + the header value passed in without balancing quotes, + parentheses, and angle brackets. Based on patch from + Oleg Bulyzhin. + Do not complain and fix up unbalanced quotes, parentheses, and + angle brackets when reading in rulesets. This allows + rules to be written for header checks to catch strings + that contain quotes, parentheses, and/or angle brackets. + Based on patch from Oleg Bulyzhin. + Do not close socket when accept(2) in the daemon encounters + some temporary errors like ECONNABORTED. + Added list of CA certificates that are used by members of the + sendmail consortium, see CACerts. + Portability: + Two new compile options have been added: + HASCLOSEFROM System has closefrom(3). + HASFDWALK System has fdwalk(3). + Based on patch from John Beck of Sun Microsystems. + The Linux kernel version 2.4 series has a broken flock() so + change to using fcntl() locking until they can fix + it. Be sure to update other sendmail related + programs to match locking techniques. + New compile time option NEEDINTERRNO which should be set + if does not declare errno itself. + Support for UNICOS/mk and UNICOS/mp added, some changes for + UNICOS. Patches contributed by Aaron Davis and + Brian Ginsbach, Cray Inc., and Manu Mahonen of + Center for Scientific Computing. + Add support for Darwin 7.0/Mac OS X 10.3 (a.k.a. Panther). + Extend support to Darwin 7.x/Mac OS X 10.3 (a.k.a. Panther). + Remove path from compiler definition for Interix because + Interix 3.0 and 3.5 put gcc in different locations. + Also use to get the correct + major()/minor() definitions. Based on feedback + from Mark Funkenhauser. + CONFIG: Add support for LDAP recursion to the default LDAP searches + for maps via new attributes. See the ``USING LDAP FOR + ALIASES, MAPS, and CLASSES'' section of cf/README and + cf/sendmail.schema for more information. + CONFIG: Make sure confTRUSTED_USER is valid even if confRUN_AS_USER + is of the form "user:group" when used for submit.mc. + Problem noted by Carsten P. Gehrke, patch from Neil Rickert + of Northern Illinois University. + CONFIG: Add a new access DB value of QUARANTINE:reason which + instructs the check_* (except check_compat) to quarantine + the message using the given reason. + CONFIG: Use "dns -R A" as map type for dnsbl (just as for enhdnsbl) + instead of "host" to avoid problem with looking up other + DNS records than just A. + CONFIG: New option confCONNECTION_RATE_WINDOW_SIZE to define the + length of the interval for which the number of incoming + connections is maintained. + CONFIG: New FEATURE(`ratecontrol') to set the limits for connection + rate control for individual hosts or nets. + CONFIG: New FEATURE(`conncontrol') to set the limits for the + number of open SMTP connections for individual hosts or nets. + CONFIG: New FEATURE(`greet_pause') enables open proxy and SMTP + slamming protection described above. The feature can + take an argument specifying the milliseconds to wait and/or + use the access database to look the pause time based on + client hostname, domain, IP address, or subnet. + CONFIG: New FEATURE(`use_client_ptr') to have check_relay use + $&{client_ptr} as its first argument. This is useful for + rejections based on the unverified hostname of client, + which turns on the same behavior as in earlier sendmail + versions when delay_checks was not in use. See also entry + above about check_relay being invoked with ${client_name}. + CONFIG: New option confREJECT_LOG_INTERVAL to specify the log + interval when refusing connections for this long. + CONFIG: Remove quotes around usage of confREJECT_MSG; in some cases + this requires a change in a mc file. Requested by + Ted Roberts of Electronic Data Systems. + CONFIG: New option confAUTH_REALM to set the authentication realm + that is passed to the Cyrus SASL library. Patch from + Gary Mills of the University of Manitoba. + CONFIG: Rename the (internal) classes {tls}/{src} to {Tls}/{Src} + to follow the naming conventions. + CONFIG: Add a third optional argument to local_lmtp to specify + the A= argument. + CONFIG: Remove the f flag from the default mailer flags of + local_lmtp. + CONFIG: New option confREQUIRES_DIR_FSYNC to turn off the compile + time flag REQUIRES_DIR_FSYNC at runtime. + CONFIG: New LOCAL_UUCP macro to insert rules into the generated + cf file at the same place where MAILER(`uucp') inserts + its rules. + CONFIG: New options confTO_QUEUERETURN_DSN and confTO_QUEUEWARN_DSN + to control queue return and warning times for delivery + status notifications. + CONFIG: New option confFALLBACK_SMARTHOST to define FallbackSmartHost. + CONFIG: Add the mc file which has been used to create the cf + file to the end of the cf file when using make in cf/cf/. + Patch from Richard Rognlie. + CONFIG: FEATURE(nodns) has been removed, it was a no-op since 8.9. + Use ServiceSwitchFile to turn off DNS lookups, see + doc/op/op.me. + CONFIG: New option confMILTER_MACROS_EOM (sendmail Milter.macros.eom + option) defines macros to be sent to milter applications for + use in the xxfi_eom() callback. + CONFIG: New option confCRL to specify file which contains + certificate revocations lists. + CONFIG: Add a new value (sendertoo) for the third argument to + FEATURE(`ldap_routing') which will reject the SMTP + MAIL From: command if the sender address doesn't exist + in LDAP. See cf/README for more information. + CONFIG: Add a fifth argument to FEATURE(`ldap_routing') which + instructs the rulesets on whether or not to do a domain + lookup if a full address lookup doesn't match. See cf/README + for more information. + CONFIG: Add a sixth argument to FEATURE(`ldap_routing') which + instructs the rulesets on whether or not to queue the mail + or give an SMTP temporary error if the LDAP server can't be + reached. See cf/README for more information. Based on + patch from Billy Ray Miller of Caterpillar. + CONFIG: Experimental support for MTAMark, see cf/README for details. + CONFIG: New option confMESSAGEID_HEADER to define a different + Message-Id: header format. Patch from Bastiaan Bakker + of LifeLine Networks. + CONTRIB: New version of cidrexpand which uses Net::CIDR. From + Derek J. Balling. + CONTRIB: oldbind.compat.c has been removed due to security problems. + Found by code inspection done by Reasoning, Inc. + DEVTOOLS: Add an example file for devtools/Site/, contributed + by Neil Rickert of Northern Illinois University. + LIBMILTER: Add new function smfi_quarantine() which allows the + filter's EOM routine to quarantine the current message. + Filters which use this function must include the + SMFIF_QUARANTINE flag in the registered smfiDesc structure. + LIBMILTER: If a milter sets the reply code to "421", the SMTP server + will terminate the SMTP session with that error. + LIBMILTER: Upon filter shutdown, libmilter will not remove a + named socket in the file system if it is running as root. + LIBMILTER: Add new function smfi_progress() which allows the filter + to notify the MTA that an EOM operation is still in progress, + resetting the timeout. + LIBMILTER: Add new function smfi_opensocket() which allows the filter + to attempt to establish the interface socket, and detect + failure to do so before calling smfi_main(). + LIBMILTER: Add new function smfi_setmlreply() which allows the + filter to return a multi-line SMTP reply. + LIBMILTER: Deal with more temporary errors in accept() by ignoring + them instead of stopping after too many occurred. + Suggested by James Carlson of Sun Microsystems. + LIBMILTER: Fix a descriptor leak in the sample program found in + docs/sample.html. Reported by Dmitry Adamushko. + LIBMILTER: The sample program also needs to use SMFIF_ADDRCPT. + Reported by Carl Byington of 510 Software Group. + LIBMILTER: Document smfi_stop() and smfi_setdbg(). Patches + from Bryan Costales. + LIBMILTER: New compile time option SM_CONF_POLL; define this if + poll(2) should be used instead of select(2). + LIBMILTER: New function smfi_insheader() and related protocol + amendments to support header insertion operations. + MAIL.LOCAL: Add support for hashed mail directories, see + mail.local/README. Contributed by Chris Adams of HiWAAY + Informations Services. + MAILSTATS: Display quarantine message counts. + MAKEMAP: Add new flag -D to specify the comment character to use + instead of '#'. + VACATION: Add new flag -j to auto-respond to messages regardless of + whether or not the recipient is listed in the To: or Cc: + headers. + VACATION: Add new flag -R to specify the envelope sender address + for the auto-response message. + New Files: + CACerts + cf/feature/conncontrol.m4 + cf/feature/greet_pause.m4 + cf/feature/mtamark.m4 + cf/feature/ratecontrol.m4 + cf/feature/use_client_ptr.m4 + cf/ostype/unicos.m4 + cf/ostype/unicosmk.m4 + cf/ostype/unicosmp.m4 + contrib/socketmapClient.pl + contrib/socketmapServer.pl + devtools/OS/Darwin.7.0 + devtools/OS/UNICOS-mk + devtools/OS/UNICOS-mp + devtools/Site/site.config.m4.sample + include/sm/os/sm_os_unicos.h + include/sm/os/sm_os_unicosmk.h + include/sm/os/sm_os_unicosmp.h + libmilter/docs/smfi_insheader.html + libmilter/docs/smfi_progress.html + libmilter/docs/smfi_quarantine.html + libmilter/docs/smfi_setdbg.html + libmilter/docs/smfi_setmlreply.html + libmilter/docs/smfi_stop.html + sendmail/ratectrl.c + Deleted Files: + cf/feature/nodns.m4 + contrib/oldbind.compat.c + devtools/OS/CRAYT3E.2.0.x + devtools/OS/CRAYTS.10.0.x + libsm/vsprintf.c + Renamed Files: + devtools/OS/Darwin.7.0 => devtools/OS/Darwin.7.x + +8.12.11/8.12.11 2004/01/18 + Use QueueFileMode when opening qf files. This error was a + regression in 8.12.10. Problem detected and diagnosed + Lech Szychowski of the Polish Power Grid Company. + Properly count the number of queue runners in a work group and + make sure the total limit of MaxQueueChildren is not + exceeded. Based on patch from Takayuki Yoshizawa of + Techfirm, Inc. + Take care of systems that can generate time values where the + seconds can exceed the usual range of 0 to 59. + Problem noted by Randy Diffenderfer of EDS. + Avoid regeneration of identical queue identifiers by processes + whose process id is the same as that of the initial + sendmail process that was used to start the daemon. + Problem noted by Randy Diffenderfer of EDS. + When a milter invokes smfi_delrcpt() compare the supplied + recipient address also against the printable addresses + of the current list to deal with rewritten addresses. + Based on patch from Sean Hanson of The Asylum. + BadRcptThrottle now also works for addresses which return the + error mailer, e.g., virtusertable entries with the + right hand side error:. Patch from Per Hedeland. + Fix printing of 8 bit characters as octals in log messages. + Based on patch by Andrey J. Melnikoff. + Undo change of algorithm for MIME 7-bit base64 encoding to 8-bit + text that has been introduced in 8.12.3. There are some + examples where the new code fails, but the old code works. + To get the 8.12.3-8.12.10 version, compile sendmail with + -DMIME7TO8_OLD=0. If you have an example of improper + 7 to 8 bit conversion please send it to us. + Return normal error code for unknown SMTP commands instead of + the one specified by check_relay or a milter for a + connection. Problem noted by Andrzej Filip. + Some ident responses contain data after the terminating CRLF which + causes sendmail to log "POSSIBLE ATTACK...newline in string". + To avoid this everything after LF is ignored. + If the operating system supports O_EXLOCK and HASFLOCK is set + then a possible race condition for creating qf files + can be avoided. Note: the race condition does not + exist within sendmail, but between sendmail and an + external application that accesses qf files. + Log the proper options name for TLS related mising files for + the CACertPath, CACertFile, and DHParameters options. + Do not split an envelope if it will be discarded, otherwise df + files could be left behind. Problem found by Wolfgang + Breyha. + The use of the environment variables HOME and HOSTALIASES has been + deprecated and will be removed in version 8.13. This only + effects configuration which preserve those variable via the + 'E' command in the cf file as sendmail clears out its entire + environment. + Portability: + Add support for Darwin 7.0/Mac OS X 10.3 (a.k.a. Panther). + Solaris 10 has unsetenv(), patch from Craig Mohrman of + Sun Microsystems. + LIBMILTER: Add extra checks in case a broken MTA sends bogus data + to libmilter. Based on code review by Rob Grzywinski. + SMRSH: Properly assemble commands that contain '&&' or '||'. + Problem noted by Eric Lee of Talking Heads. + New Files: + devtools/OS/Darwin.7.0 + +8.12.10/8.12.10 2003/09/24 (Released: 2003/09/17) + SECURITY: Fix a buffer overflow in address parsing. Problem + detected by Michal Zalewski, patch from Todd C. Miller + of Courtesan Consulting. + Fix a potential buffer overflow in ruleset parsing. This problem + is not exploitable in the default sendmail configuration; + only if non-standard rulesets recipient (2), final (4), or + mailer-specific envelope recipients rulesets are used then + a problem may occur. Problem noted by Timo Sirainen. + Accept 0 (and 0/0) as valid input for set MaxMimeHeaderLength. + Problem noted by Thomas Schulz. + Add several checks to avoid (theoretical) buffer over/underflows. + Properly count message size when performing 7->8 or 8->7 bit MIME + conversions. Problem noted by Werner Wiethege. + Properly compute message priority based on size of entire message, + not just header. Problem noted by Axel Holscher. + Reset SevenBitInput to its configured value between SMTP + transactions for broken clients which do not properly + announce 8 bit data. Problem noted by Stefan Roehrich. + Set {addr_type} during queue runs when processing recipients. + Based on patch from Arne Jansen. + Better error handling in case of (very unlikely) queue-id conflicts. + Perform better error recovery for address parsing, e.g., when + encountering a comment that is too long. Problem noted by + Tanel Kokk, Union Bank of Estonia. + Add ':' to the allowed character list for bogus HELO/EHLO + checking. It is used for IPv6 domain literals. Patch from + Iwaizako Takahiro of FreeBit Co., Ltd. + Reset SASL connection context after a failed authentication attempt. + Based on patch from Rob Siemborski of CMU. + Check Berkeley DB compile time version against run time version + to make sure they match. + Do not attempt AAAA (IPv6) DNS lookups if IPv6 is not enabled + in the kernel. + When a milter adds recipients and one of them causes an error, + do not ignore the other recipients. Problem noted by + Bart Duchesne. + CONFIG: Use specified SMTP error code in mailertable entries which + lack a DSN, i.e., "error:### Text". Problem noted by + Craig Hunt. + CONFIG: Call Local_trust_auth with the correct argument. Patch + from Jerome Borsboom. + CONTRIB: Better handling of temporary filenames for doublebounce.pl + and expn.pl to avoid file overwrites, etc. Patches from + Richard A. Nelson of Debian and Paul Szabo. + MAIL.LOCAL: Fix obscure race condition that could lead to an + improper mailbox truncation if close() fails after the + mailbox is fsync()'ed and a new message is delivered + after the close() and before the truncate(). + MAIL.LOCAL: If mail delivery fails, do not leave behind a + stale lockfile (which is ignored after the lock timeout). + Patch from Oleg Bulyzhin of Cronyx Plus LLC. + Portability: + Port for AIX 5.2. Thanks to Steve Hubert of University + of Washington for providing access to a computer + with AIX 5.2. + setreuid(2) works on OpenBSD 3.3. Patch from + Todd C. Miller of Courtesan Consulting. + Allow for custom definition of SMRSH_CMDDIR and SMRSH_PATH + on all operating systems. Patch from Robert Harker + of Harker Systems. + Use strerror(3) on Linux. If this causes a problem on + your Linux distribution, compile with + -DHASSTRERROR=0 and tell sendmail.org about it. + Added Files: + devtools/OS/AIX.5.2 + +8.12.9/8.12.9 2003/03/29 + SECURITY: Fix a buffer overflow in address parsing due to + a char to int conversion problem which is potentially + remotely exploitable. Problem found by Michal Zalewski. + Note: an MTA that is not patched might be vulnerable to + data that it receives from untrusted sources, which + includes DNS. + To provide partial protection to internal, unpatched sendmail MTAs, + 8.12.9 changes by default (char)0xff to (char)0x7f in + headers etc. To turn off this conversion compile with + -DALLOW_255 or use the command line option -d82.101. + To provide partial protection for internal, unpatched MTAs that may be + performing 7->8 or 8->7 bit MIME conversions, the default + for MaxMimeHeaderLength has been changed to 2048/1024. + Note: this does have a performance impact, and it only + protects against frontal attacks from the outside. + To disable the checks and return to pre-8.12.9 defaults, + set MaxMimeHeaderLength to 0/0. + Do not complain about -ba when submitting mail. Problem noted + by Derek Wueppelmann. + Fix compilation with Berkeley DB 1.85 on systems that do not + have flock(2). Problem noted by Andy Harper of Kings + College London. + Properly initialize data structure for dns maps to avoid various + errors, e.g., looping processes. Problem noted by + Maurice Makaay of InterNLnet B.V. + CONFIG: Prevent multiple application of rule to add smart host. + Patch from Andrzej Filip. + CONFIG: Fix queue group declaration in MAILER(`usenet'). + CONTRIB: buildvirtuser: New option -t builds the virtusertable + text file instead of the database map. + Portability: + Revert wrong change made in 8.12.7 and actually use the + builtin getopt() version in sendmail on Linux. + This can be overridden by using -DSM_CONF_GETOPT=0 + in which case the OS supplied version will be used. + +8.12.8/8.12.8 2003/02/11 + SECURITY: Fix a remote buffer overflow in header parsing by + dropping sender and recipient header comments if the + comments are too long. Problem noted by Mark Dowd + of ISS X-Force. + Fix a potential non-exploitable buffer overflow in parsing the + .cf queue settings and potential buffer underflow in + parsing ident responses. Problem noted by Yichen Xie of + Stanford University Compilation Group. + Fix ETRN #queuegroup command: actually start a queue run for + the selected queue group. Problem noted by Jos Vos. + If MaxMimeHeaderLength is set and a malformed MIME header is fixed, + log the fixup as "Fixed MIME header" instead of "Truncated + MIME header". Problem noted by Ian J Hart. + CONFIG: Fix regression bug in proto.m4 that caused a bogus + error message: "FEATURE() should be before MAILER()". + MAIL.LOCAL: Be more explicit in some error cases, i.e., whether + a mailbox has more than one link or whether it is not + a regular file. Patch from John Beck of Sun Microsystems. + +8.12.7/8.12.7 2002/12/29 + Properly clean up macros to avoid persistence of session data + across various connections. This could cause session + oriented restrictions, e.g., STARTTLS requirements, + to erroneously allow a connection. Problem noted + by Tim Maletic of Priority Health. + Do not lookup MX records when sorting the MSP queue. The MSP + only needs to relay all mail to the MTA. Problem found + by Gary Mills of the University of Manitoba. + Do not restrict the length of connection information to 100 + characters in some logging statements. Problem noted by + Erik Parker. + When converting an enhanced status code to an exit status, use + EX_CONFIG if the first digit is not 2, 4, or 5 or if *.1.5 + is used. + Reset macro $x when receiving another MAIL command. Problem + noted by Vlado Potisk of Wigro s.r.o. + Don't bother setting the permissions on the build area statistics + file, the proper permissions will be put on the file at + install time. This fixes installation over NFS for some + users. Problem noted by Martin J. Dellwo of 3-Dimensional + Pharmaceuticals, Inc. + Fix problem of decoding SASLv2 encrypted data. Problem noted by + Alex Deiter of Mobile TeleSystems, Komi Republic. + Log milter socket open errors at MilterLogLevel 1 or higher instead + of 11 or higher. + Print early system errors to the console instead of silently + exiting. Problem noted by James Jong of IBM. + Do not process a queue group if Runners is set to 0, regardless + of whether F=f or sendmail is run in verbose mode (-v). + The use of -qGname will still force queue group "name" + to be run even if Runners=0. + Change the level for logging the fact that a daemon is refusing + connections due to high load from LOG_INFO to LOG_NOTICE. + Patch from John Beck of Sun Microsystems. + Use location information for submit.cf from NetInfo + (/locations/sendmail/submit.cf) if available. + Re-enable ForkEachJob which was lost in 8.12.0. Problem noted by + Neil Rickert of Northern Illinois University. + Make behavior of /canon in debug mode consistent with usage in + rulesets. Patch from Shigeno Kazutaka of IIJ. + Fix a potential memory leak in envelope splitting. Problem noted + by John Majikes of IBM. + Do not try to share an mailbox database LDAP connection across + different processes. Problem noted by Randy Kunkee. + Fix logging for undelivered recipients when the SMTP connection + times out during message collection. Problem noted by Neil + Rickert of Northern Illinois University. + Avoid problems with QueueSortOrder=random due to problems with + qsort() on Solaris (and maybe some other operating systems). + Problem noted by Stephan Schulz of Gruner+Jahr.. + If -f "" is specified, set the sender address to "<>". Problem + noted by Matthias Andree. + Fix formatting problem of footnotes for plain text output on some + versions of tmac. Patch from Per Hedeland. + Portability: + Berkeley DB 4.1 support (requires at least 4.1.25). + Some getopt(3) implementations in GNU/Linux are broken + and pass a NULL pointer to an option which requires + an argument, hence the builtin version of + sendmail is used instead. This can be overridden + by using -DSM_CONF_GETOPT=0. Problem noted by + Vlado Potisk of Wigro s.r.o. + Support for nph-1.2.0 from Mark D. Roth of the University + of Illinois at Urbana-Champaign. + Support for FreeBSD 5.0's MAC labeling from Robert Watson + of the TrustedBSD Project. + Support for reading the number of processors on an IRIX + system from Michel Bourget of SGI. + Support for UnixWare 7.1 based on input from Larry Rosenman. + Interix support from Nedelcho Stanev of Atlantic Sky + Corporation. + Update Mac OS X/Darwin portability from Wilfredo Sanchez. + CONFIG: Enforce tls_client restrictions even if delay_checks + is used. Problem noted by Malte Starostik. + CONFIG: Deal with an empty hostname created via bogus + DNS entries to get around access restrictions. + Problem noted by Kai Schlichting. + CONFIG: Use FEATURE(`msp', `[127.0.0.1]') in submit.mc by default + to avoid problems with hostname resolution for localhost + which on many systems does not resolve to 127.0.0.1 (or + ::1 for IPv6). If you do not use IPv4 but only IPv6 then + you need to change submit.mc accordingly, see the comment + in the file itself. + CONFIG: Set confDONT_INIT_GROUPS to True in submit.mc to avoid + error messages from initgroups(3) on AIX 4.3 when sending + mail to non-existing users. Problem noted by Mark Roth of + the University of Illinois at Urbana-Champaign. + CONFIG: Allow local_procmail to override local_lmtp settings. + CONFIG: Always allow connections from 127.0.0.1 or IPv6:::1 to + relay. + CONTRIB: cidrexpand: Deal with the prefix tags that may be included + in access_db. + CONTRIB: New version of doublebounce.pl contributed by Leo Bicknell. + LIBMILTER: On Solaris libmilter may get into an endless loop if + an error in the communication from/to the MTA occurs. + Patch from Gurusamy Sarathy of Active State. + LIBMILTER: Ignore EINTR from sigwait(3) which may happen on Tru64. + Patch from from Jose Marcio Martins da Cruz of Ecole + Nationale Superieure des Mines de Paris. + MAIL.LOCAL: Fix a truncation race condition if the close() on + the mailbox fails. Problem noted by Tomoko Fukuzawa of + Sun Microsystems. + MAIL.LOCAL: Fix a potential file descriptor leak if mkstemp(3) + fails. Patch from John Beck of Sun Microsystems. + SMRSH: SECURITY: Only allow regular files or symbolic links to be + used for a command. Problem noted by David Endler of + iDEFENSE, Inc. + New Files: + devtools/OS/Interix + include/sm/bdb.h + +8.12.6/8.12.6 2002/08/26 + Do not add the FallbackMXhost (or its MX records) to the list + returned by the bestmx map when -z is used as option. + Otherwise sendmail may act as an open relay if FallbackMXhost + and FEATURE(`relay_based_on_MX') are used together. + Problem noted by Alexander Ignatyev. + Properly split owner- mailing list messages when SuperSafe is set + to interactive. Problem noted by Todd C. Miller of + Courtesan Consulting. + Make sure that an envelope is queued in the selected queue group + even if some recipients are deleted or invalid. Problem + found by Chris Adams of HiWAAY Informations Services. + Do not send a bounce message if a message is completely collected + from the SMTP client. Problem noted by Kari Hurtta of the + Finnish Meteorological Institute. + Provide an 'install-submit-st' target for sendmail/Makefile to + install the MSP statistics file using the file named in the + confMSP_STFILE devtools variable. Requested by Jeff + Earickson of Colby College. + Queue up mail with a temporary error if setusercontext() fails + during a delivery attempt. Patch from Todd C. Miller of + Courtesan Consulting. + Fix handling of base64 encoded client authentication data for + SMTP AUTH. Patch from Elena Slobodnik of life medien GmbH. + Set the OpenLDAP option LDAP_OPT_RESTART so the client libraries + restart interrupted system calls. Problem noted by Luiz + Henrique Duma of BSIOne. + Prevent a segmentation fault if a program passed a NULL envp using + execve(). + Document a problem with the counting of queue runners that may + cause delays if MaxQueueChildren is set too low. Problem + noted by Ian Duplisse of Cable Television Laboratories, Inc. + If discarding a message based on a recipient, don't try to look up + the recipient in the mailbox database if F=w is set. This + allows users to discard bogus recipients when dealing with + spammers without tipping them off. Problem noted by Neil + Rickert of Northern Illinois University. + If applying a header check to a header with unstructured data, + e.g., Subject:, then do not run syntax checks that are + supposed for addresses on the header content. + Count messages rejected/discarded via the check_data ruleset. + Portability: + Fix compilation on systems which do not allow simple + copying of the variable argument va_list. Based on + fix from Scott Walters. + Fix NSD map open bug. From Michel Bourget of SGI. + Add some additional IRIX shells to the default shell + list. From Michel Bourget of SGI. + Fix compilation issues on Mac OS X 10.2 (Darwin 6.0). + NETISO support has been dropped. + CONFIG: There was a seemingly minor change in 8.12.4 with respect + to handling entries of IP nets/addresses with RHS REJECT. + These would be rejected in check_rcpt instead of only + being activated in check_relay. This change has been made to + avoid potential bogus temporary rejection of relay attempts + "450 4.7.1 Relaying temporarily denied. Cannot resolve PTR + record for ..." if delay_checks is enabled. However, this + modification causes a change of behavior if an IP net/address + is listed in the access map with REJECT and a host/domain + name is listed with OK or RELAY, hence it has been reversed + such that the behavior of 8.12.3 is restored. The original + change was made on request of Neil Rickert of Northern + Illinois University, the side effect has been found by + Stefaan Van Hoornick. + CONFIG: Make sure delay_checks works even for sender addresses + using the local hostname ($j) or domains in class {P}. + Based on patch from Neil Rickert of Northern Illinois + University. + CONFIG: Fix temporary error handling for LDAP Routing lookups. + Fix from Andrzej Filip. + CONTRIB: New version of etrn.pl script and external man page + (etrn.0) from John Beck of Sun Microsystems. + LIBMILTER: Protect a free(3) operation from being called with a + NULL pointer. Problem noted by Andrey J. Melnikoff. + LIBMILTER: Protect against more interrupted select() calls. Based + on patch from Jose Marcio Martins da Cruz of Ecole Nationale + Superieure des Mines de Paris. + New Files: + contrib/etrn.0 + +8.12.5/8.12.5 2002/06/25 + SECURITY: The DNS map can cause a buffer overflow if the user + specifies a dns map using TXT records in the configuration + file and a rogue DNS server is queried. None of the + sendmail supplied configuration files use this option hence + they are not vulnerable. Problem noted independently by + Joost Pol of PINE Internet and Anton Rang of Sun Microsystems. + Unprintable characters in responses from DNS servers for the DNS + map type are changed to 'X' to avoid potential problems + with rogue DNS servers. + Require a suboption when setting the Milter option. Problem noted + by Bryan Costales. + Do not silently overwrite command line settings for + DirectSubmissionModifiers. Problem noted by Bryan + Costales. + Prevent a segmentation fault when clearing the event list by + turning off alarms before checking if event list is + empty. Problem noted by Allan E Johannesen of Worcester + Polytechnic Institute. + Close a potential race condition in transitioning a memory buffered + file onto disk. From Janani Devarajan of Sun Microsystems. + Portability: + Include paths.h on Linux systems running glibc 2.0 or later + to get the definition for _PATH_SENDMAIL, used by + rmail and vacation. Problem noted by Kevin + A. McGrail of Peregrine Hardware. + NOTE: Linux appears to have broken flock() again. Unless + the bug is fixed before sendmail 8.13 is shipped, + 8.13 will change the default locking method to + fcntl() for Linux kernel 2.4 and later. You may + want to do this in 8.12 by compiling with + -DHASFLOCK=0. Be sure to update other sendmail + related programs to match locking techniques. + +8.12.4/8.12.4 2002/06/03 + SECURITY: Inherent limitations in the UNIX file locking model + can leave systems open to a local denial of service + attack. Be sure to read the "FILE AND MAP PERMISSIONS" + section of the top level README for more information. + Problem noted by lumpy. + Use TempFileMode (defaults to 0600) for the permissions of PidFile + instead of 0644. + Change the default file permissions for new alias database files + from 0644 to 0640. This can be overridden at compile time + by setting the DBMMODE macro. + Fix a potential core dump problem if the environment variable + NAME is set. Problem noted by Beth A. Chaney of + Purdue University. + Expand macros before passing them to libmilter. Problem noted + by Jose Marcio Martins da Cruz of Ecole Nationale + Superieure des Mines de Paris. + Rewind the df (message body) before truncating it when libmilter + replaces the body of a message. Problem noted by Gisle Aas + of Active State. + Change SMTP reply code for AUTH failure from 500 to 535 and the + initial zero-length response to "=" per RFC 2554. Patches + from Kenneth Murchison of Oceana Matrix Ltd. + Do not try to fix broken message/rfc822 MIME attachments by + inserting a MIME-Version: header when MaxMimeHeaderLength + is set and no 8 to 7 bit conversion is needed. Based on + patch from Rehor Petr of ICZ (Czech Republic). + Do not log "did not issue MAIL/EXPN/VRFY/ETRN" if the connection + is rejected anyway. Noted by Chris Loelke. + Mention the submission mail queue in the mailq man page. Requested + by Bill Fenner of AT&T. + Set ${msg_size} macro when reading a message from the command line + or the queue. + Detach from shared memory before dropping privileges back to + user who started sendmail. + If AllowBogusHELO is set to false (default) then also complain if + the argument to HELO/EHLO contains white space. Suggested + by Seva Gluschenko of Cronyx Plus. + Allow symbolicly linked forward files in writable directory paths + if both ForwardFileInUnsafeDirPath and + LinkedForwardFileInWritableDir DontBlameSendmail options + are set. Problem noted by Werner Spirk of + Leibniz-Rechenzentrum Munich. + Portability: + Operating systems that lack the ftruncate() call will not + be able to use Milter's body replacement feature. + This only affects Altos, Maxion, and MPE/iX. + Digital UNIX 5.0 has changed flock() semantics to be + non-compliant. Problem noted by Martin Mokrejs of + Charles University in Prague. + The sparc64 port of FreeBSD 5.0 now supports shared + memory. + CONFIG: FEATURE(`preserve_luser_host') needs the macro map. + Problem noted by Andrzej Filip. + CONFIG: Using 'local:' as a mailertable value with + FEATURE(`preserve_luser_host') and LUSER_RELAY caused mail + to be misaddressed. Problem noted by Andrzej Filip. + CONFIG: Provide a workaround for DNS based rejection lists that + fail for AAAA queries. Problem noted by Chris Boyd. + CONFIG: Accept the machine's hostname as resolvable when checking + the sender address. This allows locally submitted mail to + be accepted if the machine isn't connected to a nameserver + and doesn't have an /etc/hosts entry for itself. Problem + noted by Robert Watson of the TrustedBSD Project. + CONFIG: Use deferred expansion for checking the ${deliveryMode} + macro in case the SMTP VERB command is used. Problem + noted by Bryan Costales. + CONFIG: Avoid a duplicate '@domain' virtusertable lookup if no + matches are found. Fix from Andrzej Filip. + CONFIG: Fix wording in default dnsbl rejection message. Suggested + by Lou Katz of Metron Computerware, Ltd. + CONFIG: Add mailer cyrusv2 for Cyrus V2. Contributed by + Kenneth Murchison of Oceana Matrix Ltd. + CONTRIB: Fix wording in default dnsblaccess rejection message to + match dnsbl change. + DEVTOOLS: Add new option for access mode of statistics file, + confSTMODE, which specifies the permissions when initially + installing the sendmail statistics file. + LIBMILTER: Mark the listening socket as close-on-exec in case + a user's filter starts other applications. + LIBSM: Allow the MBDB initialize, lookup, and/or terminate + functions in SmMbdbTypes to be set to NULL. + MAKEMAP: Change the default file permissions for new databases from + 0644 to 0640. This can be overridden at compile time + by setting the DBMMODE macro. + SMRSH: Fix man page bug: replace SMRSH_CMDBIN with SMRSH_CMDDIR. + Problem noted by Dave Alden of Ohio State University. + VACATION: When listing the vacation database (-l), don't show + bogus timestamps for excluded (-x) addresses. Problem + noted by Bryan Costales. + New Files: + cf/mailer/cyrusv2.m4 + +8.12.3/8.12.3 2002/04/05 + NOTICE: In general queue files should not be moved if queue groups + are used. In previous versions this could cause mail + not to be delivered if a queue file is repeatedly moved + by an external process whenever sendmail moved it back + into the right place. Some precautions have been taken + to avoid moving queue files if not really necessary. + sendmail may use links to refer to queue files and it + may store the path of data files in queue files. Hence + queue files should not be moved unless those internals + are understood and the integrity of the files is not + compromised. Problem noted by Anne Bennett of Concordia + University. + If an error mail is created, and the mail is split across different + queue directories, and SuperSafe is off, then write the mail + to disk before splitting it, otherwise an assertion is + triggered. Problem tracked down by Henning Schmiedehausen + of INTERMETA. + Fix possible race condition that could cause sendmail to forget + running queues. Problem noted by Jeff Wasilko of smoe.org. + Handle bogus qf files better without triggering assertions. + Problem noted by Guy Feltin. + Protect against interrupted select() call when enforcing Milter + read and write timeouts. Patch from Gurusamy Sarathy of + ActiveState. + Matching queue IDs with -qI should be case sensitive. Problem + noted by Anne Bennett of Concordia University. + If privileges have been dropped, don't try to change group ID to + the RunAsUser group. Problem noted by Neil Rickert of + Northern Illinois University. + Fix SafeFileEnvironment path munging when the specified path + contains a trailing slash. Based on patch from Dirk Meyer + of Dinoex. + Do not limit sendmail command line length to SM_ARG_MAX (usually + 4096). Problem noted by Allan E Johannesen of Worcester + Polytechnic Institute. + Clear full name of sender for each new envelope to avoid bogus data + if several mails are sent in one session and some of them + do not have a From: header. Problem noted by Bas Haakman. + Change timeout check such that cached information about a connection + will be immediately invalid if ConnectionCacheTimeout is zero. + Based on patch from David Burns of Portland State University. + Properly count message size for mailstats during mail collection. + Problem noted by Werner Wiethege. + Log complete response from LMTP delivery agent on failure. Based on + patch from by Motonori Nakamura of Kyoto University. + Provide workaround for getopt() implementations that do not catch + missing arguments. + Fix the message size calculation if the message body is replaced by + a milter filter and buffered file I/O is being used. + Problem noted by Sergey Akhapkin of Dr.Web. + Do not honor SIGUSR1 requests if running with extra privileges. + Problem noted by Werner Wiethege. + Prevent a file descriptor leak on mail delivery if the initial + connect fails and DialDelay is set. Patch from Servaas + Vandenberghe of Katholieke Universiteit Leuven. + Properly deal with a case where sendmail is called by root running + a set-user-ID (non-root) program. Problem noted by Jon + Lusky of ISS Atlanta. + Avoid leaving behind stray transcript (xf) files if multiple queue + directories are used and mail is sent to a mailing list + which has an owner- alias. Problem noted by Anne Bennett + of Concordia University. + Fix class map parsing code if optional key is specified. Problem + found by Mario Nigrovic. + The SMTP daemon no longer tries to fix up improperly dot-stuffed + incoming messages. A leading dot is always stripped by the + SMTP receiver regardless of whether or not it is followed by + another dot. Problem noted by Jordan Ritter of darkridge.com. + Fix corruption when doing automatic MIME 7-bit quoted-printable or + base64 encoding to 8-bit text. Problem noted by Mark + Elvers. + Correct the statistics gathered for total number of connections. + Instead of being the exact same number as the total number + of messages (T line in mailstats) it now represents the + total number of TCP connections. + Be more explicit about syntax errors in addresses, especially + non-ASCII characters, and properly create DSNs if necessary. + Problem noted by Leena Heino of the University of Tampere. + Prevent small timeouts from being lost on slow machines if itimers + are used. Problem noted by Suresh Ramasubramanian. + Prevent a race condition on child cleanup for delivery to files. + Problem noted by Fletcher Mattox of the University of + Texas. + Change the SMTP error code for temporary map failures from 421 + to 451. + Do not assume that realloc(NULL, size) works on all OS (this was + only done in one place: queue group creation). Based on + patch by Bryan Costales. + Initialize Timeout.iconnect in the code to prevent randomly short + timeouts. Problem noted by Bradley Watts of AT&T Canada. + Do not try to send a second SMTP QUIT command if the remote + responds to a MAIL command with a 421 reply or on I/O + errors. By doing so, the host was marked as having a + temporary problem and other mail destined for that host was + queued for the next queue run. Problem noted by Fletcher + Mattox of the University of Texas, Allan E Johannesen of + Worcester Polytechnic Institute, Larry Greenfield of CMU, + and Neil Rickert of Northern Illinois University. + Ignore error replies from the SMTP QUIT command (including servers + which drop the connection instead of responding to the + command). + Portability: + Check LDAP_API_VERSION to determine if ldap_memfree() is + available. + Define HPUX10 when building on HP-UX 10.X. That platform + now gets the proper _PATH_SENDMAIL and SMRSH_CMDDIR + settings. Patch from Elias Halldor Agustsson of + Skyrr. + Fix dependency building on Mac OS X and Darwin. Problem + noted by John Beck. + Preliminary support for the sparc64 port of FreeBSD 5.0. + Add /sbin/sh as an acceptable user shell on HP-UX. From + Rajesh Somasund of Hewlett-Packard. + CONFIG: Add FEATURE(`authinfo') to allow a separate database for + SMTP AUTH information. This feature was actually added in + 8.12.0 but a release note was not included. + CONFIG: Do not bounce mail if FEATURE(`ldap_routing')'s bounce + parameter is set and the LDAP lookup returns a temporary + error. + CONFIG: Honor FEATURE(`relay_hosts_only') when using + FEATURE(`relay_mail_from', `domain'). Problem noted by + Krzysztof Oledzki. + CONFIG: FEATURE(`msp') now disables any type of alias + initialization as aliases are not needed for the MSP. + CONFIG: Allow users to override RELAY_MAILER_ARGS when FEATURE(`msp') + is in use. Patch from Andrzej Filip. + CONFIG: FEATURE(`msp') uses `[localhost]' as default instead of + `localhost' and turns on MX lookups for the SMTP mailers. + This will only have an effect if a parameter is specified, + i.e., an MX lookup will be performed on the hostname unless + it is embedded in square brackets. Problem noted by + Theo Van Dinter of Collective Technologies. + CONFIG: Set confTIME_ZONE to USE_TZ in submit.mc (TimeZoneSpec= in + submit.cf) to use $TZ for time stamps. This is a compromise + to allow for the proper time zone on systems where the + default results in misleading time stamps. That is, syslog + time stamps and Date headers on submitted mail will use the + user's $TZ setting. Problem noted by Mark Roth of the + University of Illinois at Urbana-Champaign, solution proposed + by Neil Rickert of Northern Illinois University. + CONFIG: Mac OS X (Darwin) ships with mail.local as non-set-user-ID + binary. Adjust local mailer flags accordingly. Problem + noted by John Beck. + CONTRIB: Add a warning to qtool.pl to not move queue files around + if queue groups are used. + CONTRIB: buildvirtuser: Add -f option to force rebuild. + CONTRIB: smcontrol.pl: Add -f option to specify control socket. + CONTRIB: smcontrol.pl: Add support for 'memdump' command. + Suggested by Bryan Costales. + DEVTOOLS: Add dependency generation for test programs. + LIBMILTER: Remove conversion of port number for the socket + structure that is passed to xxfi_connect(). Notice: + this fix requires that sendmail and libmilter both have + this change; mixing versions may lead to wrong port + values depending on the endianness of the involved systems. + Problem noted by Gisle Aas of ActiveState. + LIBMILTER: If smfi_setreply() sets a custom reply code of '4XX' but + SMFI_REJECT is returned, ignore the custom reply. Do the + same if '5XX' is used and SMFI_TEMPFAIL is returned. + LIBMILTER: Install include files in ${INCLUDEDIR}/libmilter/ as + required by mfapi.h. Problem noted by Jose Marcio Martins + da Cruz of Ecole Nationale Superieure des Mines de Paris. + LIBSM: Add SM_CONF_LDAP_MEMFREE as a configuration define. Set + this to 1 if your LDAP client libraries include + ldap_memfree(). + LIBSMDB: Avoid a file creation race condition for Berkeley DB 1.X + and NDBM on systems with the O_EXLOCK open(2) flag. + SMRSH: Fix compilation problem on some operating systems. Problem + noted by Christian Krackowizer of schuler technodat GmbH. + VACATION: Allow root to operate on user vacation databases. Based + on patch from Greg Couch of the University of California, + San Francisco. + VACATION: Don't ignore -C option. Based on patch by Bryan Costales. + VACATION: Clarify option usage in the man page. Problem noted by + Joe Barbish. + New Files: + libmilter/docs/smfi_setbacklog.html + +8.12.2/8.12.2 2002/01/13 + Don't complain too much if stdin, stdout, or stderr are missing + at startup, only log an error message. + Fix potential problem if an unknown operation mode (character + following -b) has been specified. + Prevent purgestat from looping even if someone changes the + permissions or owner of hoststatus files. Problem noted + by Kari Hurtta of the Finnish Meteorological Institute. + Properly record dropped connections in persistent host status. + Problem noted by Ulrich Windl of the Universitat + Regensburg. + Remove newlines from recipients read via sendmail -t to prevent + SMTP protocol errors when sending the RCPT command. + Problem noted by William D. Colburn of the New Mexico + Institute of Mining and Technology. + Only log milter body replacements once instead of for each body + chunk sent by a filter. Problem noted by Kari Hurtta of + the Finnish Meteorological Institute. + In 8.12.0 and 8.12.1, the headers were mistakenly not included in + the message size calculation. Problem noted by Kari Hurtta + of the Finnish Meteorological Institute. + Since 8.12 no longer forks at the SMTP MAIL command, the daemon + needs to collect children status to avoid zombie processes. + Problem noted by Chris Adams of HiWAAY Informations Services. + Shut down "nullserver" and ETRN-only connections after 25 bad + commands are issued. This makes it consistent with normal + SMTP connections. + Avoid duplicate logging of milter rejections. Problem noted by + William D. Colburn of the New Mexico Institute of Mining + and Technology. + Error and delay DSNs were being sent to postmaster instead of the + message sender if the sender had used a deprecated RFC822 + source route. Problem noted by Kari Hurtta of the Finnish + Meteorological Institute. + Fix FallbackMXhost behavior for temporary errors during address + parsing. Problem noted by Jorg Bielak from Coastal Web + Online. + For systems on which stat(2) does not return a value for st_blksize + that is the "optimal blocksize for I/O" three new compile + time flags are available: SM_IO_MAX_BUF_FILE, SM_IO_MIN_BUF, + and SM_IO_MAX_BUF, which define an upper limit for + regular files, and a lower and upper limit for other file + types, respectively. + Fix a potential deadlock if two events are supposed to occur at + exactly the same time. Problem noted by Valdis Kletnieks + of Virginia Tech. + Perform envelope splitting for aliases listed directly in the + alias file, not just for include/.forward files. + Problem noted by John Beck of Sun Microsystems. + Allow selection of queue group for mailq using -qGgroup. + Based on patch by John Beck of Sun Microsystems. + Make sure cached LDAP connections used my multiple maps in the same + process are closed. Patch from Taso N. Devetzis. + If running as root, allow reading of class files in protected + directories. Patch from Alexander Talos of the University + of Vienna. + Correct a few LDAP related memory leaks. Patch from David Powell + of Sun Microsystems. + Allow specification of an empty realm via the authinfo ruleset. + This is necessary to interoperate as an SMTP AUTH client + with servers that do not support realms when using + CRAM-MD5. Problem noted by Bjoern Voigt of TU Berlin. + Avoid a potential information leak if AUTH PLAIN is used and the + server gets stuck while processing that command. Problem + noted by Chris Adams from HiWAAY Informations Services. + In addition to printing errors when parsing recipients during + command line invocations log them to make it simpler + to understand possible DSNs to postmaster. + Do not use FallbackMXhost on mailers which have the F=0 flag set. + Allow local mailers (F=l) to specify a host for TCP connections + instead of forcing localhost. + Obey ${DESTDIR} for installation of the client mail queue and + submit.cf. Patch from Peter 'Luna' Runestig. + Re-enable support for -M option which was broken in 8.12.1. Problem + noted by Neil Rickert of Northern Illinois University. + If a remote server violates the SMTP standard by unexpectedly + dropping the connection during an SMTP transaction, stop + sending commands. This prevents bogus "Bad file number" + recipient status. Problem noted by Allan E Johannesen of + Worcester Polytechnic Institute. + Do not use a size estimate of 100 for postmaster bounces, it's + almost always too small; do not guess the size at all. + New VENDOR_DEC for Compaq/DEC. Requested by James Seagraves of + Compaq Computer Corp. + Fix DaemonPortOptions IPv6 address parsing such that ::1 works + properly. Problem noted by Valdis Kletnieks of Virginia + Tech. + Portability: + Fix IPv6 network interface probing on HP-UX 11.X. Based on + patch provided by HP. + Mac OS X (aka Darwin) has a broken setreuid() call, but a + working seteuid() call. From Daniel J. Luke. + Use proper type for a 32-bit integer on SINIX. From Ganu + Sachin of Siemens. + Set SM_IO_MIN_BUF (4K) and SM_IO_MAX_BUF (8K) for HP-UX. + Reduce optimization from +O3 to +O2 on HP-UX 11. This + fixes a problem that caused additional bogus + characters to be written to the qf file. Problem + noted by Tapani Tarvainen. + Set LDA_USE_LOCKF by default for UnixWare. Problem noted + by Boyd Lynn Gerber. + Add support for HP MPE/iX. See sendmail/README for port + information. From Mark Bixby of Hewlett-Packard. + New portability defines HASNICE, HASRRESVPORT, USE_ENVIRON, + USE_DOUBLE_FORK, and NEEDLINK. See sendmail/README + for more information. From Mark Bixby of + Hewlett-Packard. + If an OS doesn't have a method of finding free disk space + (SFS_NONE), lie and say there is plenty of space. + From Mark Bixby of Hewlett-Packard. + Add support for AIX 5.1. From Valdis Kletnieks of + Virginia Tech. + Fix man page location for NeXTSTEP. From Hisanori Gogota + of the NTT/InterCommunication Center. + Do not assume that strerror() always returns a string. + Problem noted by John Beck of Sun Microsystems. + CONFIG: Add OSTYPE(freebsd5) for FreeBSD 5.X, which has removed + UUCP from the base operating system. From Mark Murray of + FreeBSD Services, Ltd. + CONFIG: Add OSTYPE(mpeix) and a generic .mc file for HP MPE/iX + systems. From Mark Bixby of Hewlett-Packard. + CONFIG: Add support for selecting a queue group for all mailers. + Based on proposal by Stephen L. Ulmer of the University of + Florida. + CONFIG: Fix error reporting for compat_check.m4. Problem noted by + Altin Waldmann. + CONFIG: Do not override user selections for confRUN_AS_USER and + confTRUSTED_USER in FEATURE(msp). From Mark Bixby of + Hewlett-Packard. + LIBMILTER: Fix bug that prevented the removal of a socket after + libmilter terminated. Problem reported by Andrey V. Pevnev + of MSFU. + LIBMILTER: Fix configuration error that required libsm for linking. + Problem noted by Kari Hurtta of the Finnish Meteorological + Institute. + LIBMILTER: Portability fix for OpenUNIX. Patch from Larry Rosenman. + LIBMILTER: Fix a theoretical memory leak and a possible attempt + to free memory twice. + LIBSM: Fix a potential segmentation violation in the I/O library. + Problem found and analyzed by John Beck and Tim Haley + of Sun Microsystems. + LIBSM: Do not clear the LDAP configuration information when + terminating the mailbox database connection in the LDAP + example code. Problem noted by Nikos Voutsinas of the + University of Athens. + New Files: + cf/cf/generic-mpeix.cf + cf/cf/generic-mpeix.mc + cf/ostype/freebsd5.m4 + cf/ostype/mpeix.m4 + devtools/OS/AIX.5.1 + devtools/OS/MPE-iX + include/sm/os/sm_os_mpeix.h + libsm/mpeix.c + +8.12.1/8.12.1 2001/10/01 + SECURITY: Check whether dropping group privileges actually succeeded + to avoid possible compromises of the mail system by + supplying bogus data. Add configuration options for + different set*gid() calls to reset saved gid. Problem + found by Michal Zalewski. + PRIVACY: Prevent information leakage when sendmail has extra + privileges by disabling debugging (command line -d flag) + during queue runs and disabling ETRN when sendmail -bs is + used. Suggested by Michal Zalewski. + Avoid memory corruption problems resulting from bogus .cf files. + Problem found by Michal Zalewski. + Set the ${server_addr} macro to name of mailer when doing LMTP + delivery. LMTP systems may offer SMTP Authentication or + STARTTLS causing sendmail to use this macro in rulesets. + If debugging is turned on (-d0.10) print not just the default + values for configuration file and pid file but also the + selected values. Problem noted by Brad Chapman. + Continue dealing with broken nameservers by ignoring SERVFAIL + errors returned on T_AAAA (IPv6) lookups at delivery time + if ResolverOptions=WorkAroundBrokenAAAA is set. Previously + this only applied to hostname canonification. Problem + noted by Bill Fenner of AT&T Research. + Ignore comments in NIS host records when trying to find the + canonical name for a host. + When sendmail has extra privileges, limit mail submission command + line flags (i.e., -G, -h, -F, etc.) to mail submission + operating modes (i.e., -bm, -bs, -bv, etc.). Idea based on + suggestion from Michal Zalewski. + Portability: + AIX: Use `oslevel` if available to determine OS version. + `uname` does not given complete information. + Problem noted by Keith Neufeld of the Cessna + Aircraft Company. + OpenUNIX: Use lockf() for LDA delivery (affects mail.local). + Problem noticed by Boyd Lynn Gerber of ZENEX. + Avoid compiler warnings by not using pointers to pass + integers. Problem noted by Todd C. Miller of + Courtesan Consulting. + CONFIG: Add restrictqrun to PrivacyOptions for the MSP to minimize + problems with potential misconfigurations. + CONFIG: Fix comment showing default value of MaxHopCount. Problem + noted by Greg Robinson of the Defence Science and + Technology Organisation of Australia. + CONFIG: dnsbl: If an argument specifies an error message in case + of temporary lookup failures for DNS based blacklists + then use it. + LIBMILTER: Install mfdef.h, required by mfapi.h. Problem noted by + Richard A. Nelson of Debian. + LIBMILTER: Add __P definition for OS that lack it. Problem noted + by Chris Adams from HiWAAY Informations Services. + LIBSMDB: Fix a lock race condition that affects makemap, praliases, + and vacation. + MAKEMAP: Avoid going beyond the end of an input line if it does + not contain a value for a key. Based on patch from + Mark Bixby from Hewlett-Packard. + New Files: + test/Build + test/Makefile + test/Makefile.m4 + test/README + test/t_dropgid.c + test/t_setgid.c + Deleted Files: + include/sm/stdio.h + include/sm/sysstat.h + +8.12.0/8.12.0 2001/09/08 + *NOTICE*: The default installation of sendmail does not use + set-user-ID root anymore. You need to create a new user and + a new group before installing sendmail (both called smmsp by + default). The installation process tries to install + /etc/mail/submit.cf and creates /var/spool/clientmqueue by + default. Please see sendmail/SECURITY for details. + SECURITY: Check for group and world writable forward and :include: + files. These checks can be turned off if absolutely + necessary using the DontBlameSendmail option and the new + flags: + GroupWritableForwardFile + WorldWritableForwardFile + GroupWritableIncludeFile + WorldWritableIncludeFile + Problem noted by Slawek Zak of Politechnika Warszawska, + SECURITY: Drop privileges when using address test mode. Suggested + by Michal Zalewski of the "Internet for Schools" project + (IdS). + Fixed problem of a global variable being used for a timeout jump + point where the variable could become overused for more than + one timeout concurrently. This erroneous behavior resulted in + a corrupted stack causing a core dump. The timeout is now + handled via libsm. Problem noted by Michael Shapiro, + John Beck, and Carl Smith of Sun Microsystems. + If sendmail is set-group-ID then that group ID is used for permission + checks (group ID of RunAsUser). This allows use of a + set-group-ID sendmail binary for initial message submission + and no set-user-ID root sendmail is needed. For details + see sendmail/SECURITY. + Log a warning if a non-trusted user changes the syslog label. + Based on notice from Bryan Costales of SL3D, Inc. + If sendmail is called for initial delivery, try to use submit.cf + with a fallback of sendmail.cf as configuration file. See + sendmail/SECURITY. + New configuration file option UseMSP to allow group writable queue + files if the group is the same as that of a set-group-ID + sendmail binary. See sendmail/SECURITY. + The .cf file is chosen based on the operation mode. For -bm (default), + -bs, and -t it is submit.cf if it exists for all others it + is sendmail.cf (to be backward compatible). This selection + can be changed by the new option -Ac or -Am (alternative .cf + file: client or mta). See sendmail/SECURITY. + The SMTP server no longer forks on each MAIL command. The ONEX + command has been removed. + Implement SMTP PIPELINING per RFC 2920. It can be turned off + at compile time or per host (ruleset). + New option MailboxDatabase specifies the type of mailbox database + used to look up local mail recipients; the default value + is "pw", which means to use getpwnam(). New mailbox database + types can be added by adding custom code to libsm/mbdb.c. + Queue file names are now 15 characters long, rather than 14 characters + long, to accomodate envelope splitting. File systems with + a 14 character file name length limit are no longer + supported. + Recipient list used for delivery now gets internally ordered by + hostsignature (character string version of MX RR). This orders + recipients for the same MX RR's together meaning smaller + portions of the list need to be scanned (instead of the whole + list) each delivery() pass to determine piggybacking. The + significance of the change is better the larger the recipient + list. Hostsignature is now created during recipient list + creation rather than just before delivery. + Enhancements for more opportunistic piggybacking. Previous + piggybacking (called coincidental) extended to coattail + piggybacking. Rather than complete MX RR matching + (coincidental) piggybacking is done if just the lowest value + preference matches (coattail). + If sendmail receives a temporary error on a RCPT TO: command, it will + try other MX hosts if available. + DefaultAuthInfo can contain a list of mechanisms to be used for + outgoing (client-side) SMTP Authentication. + New modifier 'A' for DaemonPortOptions/ClientPortOptions to disable + AUTH (overrides 'a' modifier in DaemonPortOptions). Based + on patch from Lyndon Nerenberg of Messaging Direct. + Enable AUTH mechanism EXTERNAL if STARTTLS is used. + A new ruleset authinfo can be used to return client side + authentication information for AUTH instead of DefaultAuthInfo. + Therefore the DefaultAuthInfo option is deprecated and will be + removed in future versions. + Accept any SMTP continuation code 3xy for AUTH even though RFC 2554 + requires 334. Mercury 1.48 is a known offender. + Add new option AuthMaxBits to limit the overall encryption strength + for the security layer in SMTP AUTH (SASL). See + doc/op/op.me for details. + Introduce new STARTTLS related macros {cn_issuer}, {cn_subject}, + {cert_md5} which hold the CN (common name) of the CA that + signed the presented certificate, the CN and the MD5 hash + of the presented certificate, respectively. + New ruleset try_tls to decide whether to try (as client) STARTTLS. + New ruleset srv_features to enable/disable certain features in the + server per connection. See doc/op/op.me for details. + New ruleset tls_rcpt to decide whether to send e-mail to a particular + recipient; useful to decide whether a conection is secure + enough on a per recipient basis. + New option TLSSrvOptions to modify some aspects of the server + for STARTTLS. + If no certificate has been requested, the macro {verify} has the + value "NOT". + New M=S modifier for ClientPortOptions/DaemonPortOptions to turn off + using/offering STARTTLS when delivering/receiving e-mail. + Macro expand filenames/directories for certs and keys in the .cf file. + Proposed by Neil Rickert of Northern Illinois University. + Generate an ephemeral RSA key for a STARTTLS connection only if + really required. This change results in a noticable + performance gains on most machines. Moreover, if shared + memory is in use, reuse the key several times. + Add queue groups which can be used to group queue directories with + the same behavior together. See doc/op/op.me for details. + If the new option FastSplit (defaults to one) has a value greater + than zero, it suppresses the MX lookups on addresses when they + are initially sorted which may result in faster envelope + splitting. If the mail is submitted directly from the + command line, then the value also limits the number of + processes to deliver the envelopes; if more envelopes are + created they are only queued up and must be taken care of + by a queue run. + The check for 'enough disk space' now pays attention to which file + system each queue directory resides in. + All queue runners can be cleanly terminated via SIGTERM to parent. + New option QueueFileMode for the default permissions of queue files. + Add parallel queue runner code. Allows multiple queue runners per work + group (one or more queues in a multi-queue environment + collected together) to process the same work list at the + same time. + Option MaxQueueChildren added to limit the number of concurrently + active queue runner processes. + New option MaxRunnersPerQueue to specify the maximum number of queue + runners per queue group. + Queue member selection by substring pattern matching now allows + the pattern to be negated. For -qI, -qR and -qS it is + permissible for -q!I, -q!R and -q!S to mean remove members + of the queue that match during processing. + New -qp[time] option is similar to -qtime, except that instead of + periodically forking a child to process the queue, a single + child is forked for each queue that sleeps between queue + runs. A SIGHUP signal can be sent to restart this + persistent queue runner. + The SIGHUP signal now restarts a timed queue run process (i.e., a + sendmail process which only runs the queue at an interval: + sendmail -q15m). + New option NiceQueueRun to set the priority of queue runners. + Proposed by Thom O'Connor. + sendmail will run the queue(s) in the background when invoked with -q + unless the new -qf option or -v is used. + QueueSortOrder=Random sorts the queue randomly, which is useful if + several queue runners are started by hand to avoid contention. + QueueSortOrder=Modification sorts the queue by the modification time + of the qf file (older entries first). + Support Deliver By SMTP Service Extension (RFC 2852) which allows + a client to specify an amount of time within which an e-mail + should be delivered. New option DeliverByMin added to set the + minimum amount of time or disable the extension. + Non-printable characters (ASCII: 0-31, 127) in mailbox addresses are + not allowed unless escaped or quoted. + Add support for a generic DNS map. Based on a patch contributed + by Leif Johansson of Stockholm University, which was based on + work by Assar Westerlund of Swedish Institute of Computer + Science, Kista, and Johan Danielsson of Royal Institute of + Technology, Stockholm, Sweden. + MX records will be looked up for FallBackMXhost. To use the old + behavior (no MX lookups), put the name in square brackets. + Proposed by Thom O'Connor. + Use shared memory to store free space of filesystems that are used + for queues, if shared memory is available and if a key is set + via SharedMemoryKey. This minimizes the number of system + calls to check the available space. See doc/op/op.me for + details. + If shared memory is compiled in the option -bP can be used to print + the number of entries in the queue(s). + Enable generic mail filter API (milter). See libmilter/README + and the usual documentation for details. + Remove AutoRebuildAliases option, deprecated since 8.10. + Remove '-U' (initial user submission) command line option as + announced in 8.10. + Remove support for non-standard SMTP command XUSR. Use an MSA instead. + New macro {addr_type} which contains whether the current address is + an envelope sender or recipient address. Suggested by + Neil Rickert of Northern Illinois University. + Two new options for host maps: -d (retransmission timeout), + -r (number of retries). + New option for LDAP maps: the -V allows you to specify a + separator such that a lookup can return both an attribute + and value separated by the given separator. + Add new operators '%', '|', '&' (modulo, binary or, binary and) + to map class arith. + If DoubleBounceAddress expands to an empty string, ``double bounces'' + (errors that occur when sending an error message) are dropped. + New DontBlameSendmail options GroupReadableSASLDBFile and + GroupWritableSASLDBFile to relax requirements for sasldb files. + New DontBlameSendmail options GroupReadableKeyFile to relax + requirements for files containing secret keys. This is + necessary for the MSP if client authentification is used. + Properly handle quoted filenames for class files (to allow for + filenames with spaces). + Honor the resolver option RES_NOALIASES when canonifying hostnames. + Add macros to avoid the reuse of {if_addr} etc: + {if_name_out} hostname of interface of outgoing connection. + {if_addr_out} address of interface of outgoing connection. + {if_family_out} family of interface of outgoing connection. + The latter two are only set if the interface does not belong + to the loopback net. + Add macro {nrcpts} which holds the number of (validated) recipients. + DialDelay option applies only to mailers with flag 'Z'. Patch from + Juergen Georgi of RUS University of Stuttgart. + New Timeout.lhlo,auth,starttls options to limit the time waiting for + an answer to the LMTP LHLO, SMTP AUTH or STARTTLS command. + New Timeout.aconnect option to limit the overall waiting time for + all connections for a single delivery attempt to succeed. + Limit the rate recipients in the SMTP envelope are accepted once + a threshold number of recipients has been rejected (option + BadRcptThrottle). From Gregory A Lundberg of the WU-FTPD + Development Group. + New option DelayLA to delay connections if the load averages + exceeds the specified value. The default of 0 does not + change the previous behavior. A value greater than 0 + will cause sendmail to sleep for one second on most + SMTP commands and before accepting connections if that + load average is exceeded. + Use a dynamic (instead of fixed-size) buffer for the list of + recipients that are sent during a connection to a mailer. + This also introduces a new mailer field 'r' which defines + the maximum number of recipients (defaults to 100). + Based on patch by Motonori Nakamura of Kyoto University. + Add new F=1 mailer flag to disable sending of null characters ('\0'). + Add new F=2 mailer flag to disable use of ESMTP, using SMTP instead. + The deprecated [TCP] builtin mailer pathname (P=) is gone. Use [IPC] + instead. + IPC is no longer available as first mailer argument (A=) for [IPC] + builtin mailer pathnames. Use TCP instead. + PH map code updated to use the new libphclient API instead of the + old libqiapi library. Contributed by Mark Roth of the + University of Illinois at Urbana-Champaign. + New option DirectSubmissionModifiers to define {daemon_flags} + for direct (command line) submissions. + New M=O modifier for DaemonPortOptions to ignore the socket in + case of failures. Based on patch by Jun-ichiro itojun + Hagino of the KAME Project. + Add Disposition-Notification-To: (RFC 2298) to the list of headers + whose content is rewritten similar to Reply-To:. + Proposed by Andrzej Filip. + Use STARTTLS/AUTH=server/client for logging incoming/outgoing + STARTTLS/AUTH connections; log incoming connections at level + 9 or higher. Use AUTH/STARTTLS instead of SASL/TLS for SMTP + AUTH/STARTTLS related logfile entries. + Convert unprintable characters (and backslash) into octal or C format + before logging. + Log recipients if no message is transferred but QUIT/RSET is given + (at LogLevel 9/10 or higher). + Log discarded recipients at LogLevel 10 or higher. + Do not log "did not issue MAIL/EXPN/VRFY/ETRN" for connections + in which most commands are rejected due to check_relay or + TCP Wrappers if the host tries one of those commands anyway. + Change logging format for cloned envelopes to be similar to that for + DSNs ("old id: new id: clone"). Suggested by Ulrich Windl + of the Universitat Regensburg. + Added libsm, a C library of general purpose abstractions including + assertions, tracing and debugging with named debug categories, + exception handling, malloc debugging, resource pools, + portability abstractions, and an extensible buffered I/O + package. It will at some point replace libsmutil. + See libsm/index.html for details. + Fixed most memory leaks in sendmail which were previously taken + care of by fork() and exit(). + Use new sm_io*() functions in place of stdio calls. Allows for + more consistent portablity amongst different platforms + new and old (from new libsm). + Common I/O pkg means just one buffering method needed instead of two + ('bf_portable' and 'bf_torek' now just 'bf'). + Sfio no longer needed as SASL/TLS code uses sm_io*() API's. + New possible value 'interactive' for SuperSafe which can be used + together with DeliveryMode=interactive is to avoid some disk + synchronizations calls. + Add per-recipient status information to mailq -v output. + T_ANY queries are no longer used by sendmail. + When compiling with "gcc -O -Wall" specify "-DSM_OMIT_BOGUS_WARNINGS" + too (see include/sm/cdefs.h for more info). + sendmail -d now has general support for named debug categories. + See libsm/debug.html and section 3.4 of doc/op/op.me + for details. + Eliminate the "postmaster warning" DSNs on address parsing errors + such as unbalanced angle brackets or parentheses. The DSNs + generated by this condition were illegal (not RFC conform). + Problem noted by Ulrich Windl of the Universitaet Regensburg. + Do not issue a DSN if the ruleset localaddr resolves to the $#error + mailer and the recipient has hence been rejected during the + SMTP dialogue. Problem reported by Larry Greenfield of CMU. + Deal with a case of multiple deliveries on misconfigured systems + that do not have postmaster defined. If an email was sent + from an address to which a DSN cannot be returned and + in which at least one recipient address is non-deliverable, + then that email had been delivered in each queue run. + Problem reported by Matteo HCE Valsasna of Universita + degli Studi dell'Insubria. + The compilation options SMTP, DAEMON, and QUEUE have been removed, + i.e., the corresponding code is always compiled in now. + Log the command line in daemon/queue-run mode at LogLevel 10 and + higher. Suggested by Robert Harker of Harker Systems. + New ResolverOptions setting: WorkAroundBrokenAAAA. When + attempting to canonify a hostname, some broken nameservers + will return SERVFAIL (a temporary failure) on T_AAAA (IPv6) + lookups. If you want to excuse this behavior, use this new + flag. Suggested by Chris Foote of SE Network Access and + Mark Roth of the University of Illinois at + Urbana-Champaign. + Free the memory allocated by getipnodeby{addr,name}(). Problem + noted by Joy Latten of IBM. + ConnectionRateThrottle limits the number of connections per second + to each daemon individually, not the overall number of + connections. + Specifying only "ldap:" as an AliasFile specification will force + sendmail to use a default alias schema as outlined in the + ``USING LDAP FOR ALIASES, MAPS, and CLASSES'' section of + cf/README. + Add a new syntax for the 'F' (file class) sendmail.cf command. If + the first character after the class name is not a '/' or a + '|' and it contains an '@' (e.g., F{X}key@class:spec), the + rest of the line will be parsed as a map lookup. This + allows classes to be filled via a map lookup. See op.me + for more syntax information. Specifically, this can be + used for commands such as VIRTUSER_DOMAIN_FILE() to read + the list of domains via LDAP (see the ``USING LDAP FOR + ALIASES, MAPS, and CLASSES'' section of cf/README for an + example). + The new macro ${sendmailMTACluster} determines the LDAP cluster for + the default schema used in the above two items. + Unless DontBlameSendmail=RunProgramInUnsafeDirPath is set, log a + warning if a program being run from a mailer or file class + (e.g., F|/path/to/prog) is in an unsafe directory path. + Unless DontBlameSendmail=RunWritableProgram is set, log a warning + if a program being run from a mailer or file class + (e.g., F|/path/to/prog) is group or world writable. + Loopback interfaces (e.g., "lo0") are now probed for class {w} + hostnames. Setting DontProbeInterfaces to "loopback" + (without quotes) will disable this and return to the + pre-8.12 behavior of only probing non-loopback interfaces. + Suggested by Bryan Stansell of GNAC. + In accordance with RFC 2821 section 4.1.4, accept multiple + HELO/EHLO commands. + Multiple ClientPortOptions settings are now allowed, one for each + possible protocol family which may be used for outgoing + connections. Restrictions placed on one family only affect + outgoing connections on that particular family. Because of + this change, the ${client_flags} macro is not set until the + connection is established. Based on patch from Motonori + Nakamura of Kyoto University. + PrivacyOptions=restrictexpand instructs sendmail to drop privileges + when the -bv option is given by users who are neither root + nor the TrustedUser so users can not read private aliases, + forwards, or :include: files. It also will override the -v + (verbose) command line option. + If the M=b modifier is set in DaemonPortOptions and the interface + address can't be used for the outgoing connection, fall + back to the settings in ClientPortOptions (if set). + Problem noted by John Beck of Sun Microsystems. + New named config file rule check_data for DATA command (input: + number of recipients). Based on patch from Mark Roth of + the University of Illinois at Urbana-Champaign. + Add support for ETRN queue selection per RFC 1985. The queue group + can be specified using the '#' option character. For + example, 'ETRN #queuegroup'. + If an LDAP server times out or becomes unavailable, close the + current connection and reopen to get to one of the fallback + servers. Patch from Paul Hilchey of the University of + British Columbia. + Make default error number on $#error messages 550 instead of 501 + because 501 is not allowed on all commands. + The .cf file option UnsafeGroupWrites is deprecated, it should be + replaced with the settings GroupWritableForwardFileSafe + and GroupWritableIncludeFileSafe in DontBlameSendmail + if required. + The deprecated ldapx map class has been removed. Use the ldap map + class instead. + Any IPv6 addresses used in configuration should be prefixed by the + "IPv6:" tag to identify the address properly. For example, + if you want to add the IPv6 address [2002:c0a8:51d2::23f4] to + class {w}, you would need to add [IPv6:2002:c0a8:51d2::23f4]. + Change the $&{opMode} macro if the operation mode changes while the + MTA is running. For example, during a queue run. + Add "use_inet6" as a new ResolverOptions flag to control the + RES_USE_INET6 resolver option. Based on patch from Rick + Nelson of IBM. + The maximum number of commands before the MTA slows down when too + many "light weight" commands have been received are now + configurable during compile time. The current values and + their defaults are: + MAXBADCOMMANDS 25 unknown commands + MAXNOOPCOMMANDS 20 NOOP, VERB, ONEX, XUSR + MAXHELOCOMMANDS 3 HELO, EHLO + MAXVRFYCOMMANDS 6 VRFY, EXPN + MAXETRNCOMMANDS 8 ETRN + Setting a value to 0 disables the check. Patch from Bryan + Costales of SL3D, Inc. + The header syntax H?${MyMacro}?X-My-Header: now not only checks if + ${MyMacro} is defined but also that it is not empty. + Properly quote usernames with special characters if they are used + in headers. Problem noted by Kari Hurtta of the Finnish + Meteorological Institute. + Be sure to include the proper Final-Recipient: DSN header in bounce + messages for messages for mailing list expanded addresses + which are not delivered on the initial attempt. + Do not treat errors as sticky when doing delivery via LMTP after + the final dot has been sent to avoid affecting future + deliveries. Problem reported by Larry Greenfield of CMU. + New compile time flag REQUIRES_DIR_FSYNC which turns on support for + file systems that require to call fsync() for a directory + if the meta-data in it has been changed. This should be + set at least for ReiserFS; it is enabled by default for Linux. + See sendmail/README for further information. + Avoid file locking deadlock when updating the statistics file if + sendmail is signaled to terminate. Problem noted by + Christophe Wolfhugel of France Telecom. + Set the $c macro (hop count) as it is being set instead of when the + envelope is initialized. Problem noted by Kari Hurtta of + the Finnish Meteorological Institute. + Properly count recipients for DeliveryMode defer and queue. Fix + from Peter A. Friend of EarthLink. + Treat invalid hesiod lookups as permanent errors instead of + temporary errors. Problem noted by Russell McOrmond of + flora.ca. + Portability: + Remove support for AIX 2, which supports only 14 character + filenames and is outdated anyway. Suggested by + Valdis Kletnieks of Virginia Tech. + Change several settings for Irix 6: remove confSBINDIR, + i.e., use default /usr/sbin, change owner/group + of man pages and user-executable to root/sys, set + optimization limit to 0 (unlimited). Based on patch + from Ayamura Kikuchi, M.D, and proposal from Kari + Hurtta of the Finnish Meteorological Institute. + Do not assume LDAP support is installed by default under + Solaris 8 and later. + Add support for OpenUNIX. + CONFIG: Increment version number of config file to 10. + CONFIG: Add an install target and a README file in cf/cf. + CONFIG: Don't accept addresses of the form a@b@, a@b@c, a@[b]c, etc. + CONFIG: Reject empty recipient addresses (in check_rcpt). + CONFIG: The access map uses an option of -T to deal with + temporary lookup failures. + CONFIG: New value for access map: SKIP, which causes the default + action to be taken by aborting the search for domain names + or IP nets. + CONFIG: check_rcpt can deal with TEMPFAIL for either recipient or + relay address as long as the other part allows the email + to get through. + CONFIG: Entries for virtusertable can make use of a third parameter + "%3" which contains "+detail" of a wildcard match, i.e., an + entry like user+*@domain. This allows handling of details by + using %1%3 as the RHS. Additionally, a "+" wildcard has been + introduced to match only non-empty details of addresses. + CONFIG: Numbers for rulesets used by MAILERs have been removed + and hence there is no required order within the MAILER + section anymore except for MAILER(`uucp') which must come + after MAILER(`smtp') if uucp-dom and uucp-uudom are used. + CONFIG: Hosts listed in the generics domain class {G} + (GENERICS_DOMAIN() and GENERICS_DOMAIN_FILE()) are treated + as canonical. Suggested by Per Hedeland of Ericsson. + CONFIG: If FEATURE(`delay_checks') is used, make sure that a lookup + in the access map which returns OK or RELAY actually + terminates check_* ruleset checking. + CONFIG: New tag TLS_Rcpt: for access map to be used by ruleset + tls_rcpt, see cf/README for details. + CONFIG: Change format of Received: header line which reveals whether + STARTTLS has been used to "(version=${tls_version} + cipher=${cipher} bits=${cipher_bits} verify=${verify})". + CONFIG: Use "Spam:" as tag for lookups for FEATURE(`delay_checks') + options friends/haters instead of "To:" and enable + specification of whole domains instead of just users. + Notice: this change is not backward compatible. + Suggested by Chris Adams from HiWAAY Informations Services. + CONFIG: Allow for local extensions for most new rulesets, see + cf/README for details. + CONFIG: New FEATURE(`lookupdotdomain') to lookup also .domain in + the access map. Proposed by Randall Winchester of the + University of Maryland. + CONFIG: New FEATURE(`local_no_masquerade') to avoid masquerading for + the local mailer. Proposed by Ingo Brueckl of Wupper Online. + CONFIG: confRELAY_MSG/confREJECT_MSG can override the default + messages for an unauthorized relaying attempt/for access + map entries with RHS REJECT, respectively. + CONFIG: FEATURE(`always_add_domain') takes an optional argument + to specify another domain to be added instead of the local one. + Suggested by Richard H. Gumpertz of Computer Problem + Solving. + CONFIG: confAUTH_OPTIONS allows setting of Cyrus-SASL specific + options, see doc/op/op.me for details. + CONFIG: confAUTH_MAX_BITS sets the maximum encryption strength for + the security layer in SMTP AUTH (SASL). + CONFIG: If Local_localaddr resolves to $#ok, localaddr is terminated + immediately. + CONFIG: FEATURE(`enhdnsbl') is an enhanced version of dnsbl which + allows checking of the return values of the DNS lookups. + See cf/README for details. + CONFIG: FEATURE(`dnsbl') allows now to specify the behavior for + temporary lookup failures. + CONFIG: New option confDELIVER_BY_MIN to specify minimum time for + Deliver By (RFC 2852) or to turn off the extension. + CONFIG: New option confSHARED_MEMORY_KEY to set the key for shared + memory use. + CONFIG: New FEATURE(`compat_check') to look up a key consisting + of the sender and the recipient address delimited by the + string "<@>", e.g., sender@sdomain<@>recipient@rdomain, + in the access map. Based on code contributed by Mathias + Koerber of Singapore Telecommunications Ltd. + CONFIG: Add EXPOSED_USER_FILE() command to allow an exposed user + file. Suggested by John Beck of Sun Microsystems. + CONFIG: Don't use MAILER-DAEMON for error messages delivered + via LMTP. Problem reported by Larry Greenfield of CMU. + CONFIG: New FEATURE(`preserve_luser_host') to preserve the name of + the recipient host if LUSER_RELAY is used. + CONFIG: New FEATURE(`preserve_local_plus_detail') to preserve the + +detail portion of the address when passing address to + local delivery agent. Disables alias and .forward +detail + stripping. Only use if LDA supports this. + CONFIG: Removed deprecated FEATURE(`rbl'). + CONFIG: Add LDAPROUTE_EQUIVALENT() and LDAPROUTE_EQUIVALENT_FILE() + which allow you to specify 'equivalent' hosts for LDAP + Routing lookups. Equivalent hostnames are replaced by the + masquerade domain name for lookups. See cf/README for + additional details. + CONFIG: Add a fourth argument to FEATURE(`ldap_routing') which + instructs the rulesets on what to do if the address being + looked up has +detail information. See cf/README for more + information. + CONFIG: When chosing a new destination via LDAP Routing, also look + up the new routing address/host in the mailertable. Based + on patch from Don Badrak of the United States Census Bureau. + CONFIG: Do not reject the SMTP Mail from: command if LDAP Routing + is in use and the bounce option is enabled. Only reject + recipients as user unknown. + CONFIG: Provide LDAP support for the remaining database map + features. See the ``USING LDAP FOR ALIASES AND MAPS'' + section of cf/README for more information. + CONFIG: Add confLDAP_CLUSTER which defines the ${sendmailMTACluster} + macro used for LDAP searches as described above in ``USING + LDAP FOR ALIASES, MAPS, AND CLASSES''. + CONFIG: confCLIENT_OPTIONS has been replaced by CLIENT_OPTIONS(), + which takes the options as argument and can be used + multiple times; see cf/README for details. + CONFIG: Add configuration macros for new options: + confBAD_RCPT_THROTTLE BadRcptThrottle + confDIRECT_SUBMISSION_MODIFIERS DirectSubmissionModifiers + confMAILBOX_DATABASE MailboxDatabase + confMAX_QUEUE_CHILDREN MaxQueueChildren + confMAX_RUNNERS_PER_QUEUE MaxRunnersPerQueue + confNICE_QUEUE_RUN NiceQueueRun + confQUEUE_FILE_MODE QueueFileMode + confFAST_SPLIT FastSplit + confTLS_SRV_OPTIONS TLSSrvOptions + See above (and related documentation) for further information. + CONFIG: Add configuration variables for new timeout options: + confTO_ACONNECT Timeout.aconnect + confTO_AUTH Timeout.auth + confTO_LHLO Timeout.lhlo + confTO_STARTTLS Timeout.starttls + CONFIG: Add configuration macros for mail filter API: + confINPUT_MAIL_FILTERS InputMailFilters + confMILTER_LOG_LEVEL Milter.LogLevel + confMILTER_MACROS_CONNECT Milter.macros.connect + confMILTER_MACROS_HELO Milter.macros.helo + confMILTER_MACROS_ENVFROM Milter.macros.envfrom + confMILTER_MACROS_ENVRCPT Milter.macros.envrcpt + Mail filters can be defined via INPUT_MAIL_FILTER() and + MAIL_FILTER(). See libmilter/README, cf/README, and + doc/op/op.me for details. + CONFIG: Add support for accepting temporarily unresolvable domains. + See cf/README for details. Based on patch by Motonori + Nakamura of Kyoto University. + CONFIG: confDEQUOTE_OPTS can be used to specify options for the + dequote map. + CONFIG: New macro QUEUE_GROUP() to define queue groups. + CONFIG: New FEATURE(`queuegroup') to select a queue group based + on the full e-mail address or the domain of the recipient. + CONFIG: Any IPv6 addresses used in configuration should be prefixed + by the "IPv6:" tag to identify the address properly. For + example, if you want to use the IPv6 address + 2002:c0a8:51d2::23f4 in the access database, you would need + to use IPv6:2002:c0a8:51d2::23f4 on the left hand side. + This affects the access database as well as the + relay-domains and local-host-names files. + CONFIG: OSTYPE(aux) has been renamed to OSTYPE(a-ux). + CONFIG: Avoid expansion of m4 keywords in SMART_HOST. + CONFIG: Add MASQUERADE_EXCEPTION_FILE() for reading masquerading + exceptions from a file. Suggested by Trey Breckenridge of + Mississippi State University. + CONFIG: Add LOCAL_USER_FILE() for reading local users + (LOCAL_USER() -- $={L}) entries from a file. + CONTRIB: dnsblaccess.m4 is a further enhanced version of enhdnsbl.m4 + which allows to lookup error codes in the access map. + Contributed by Neil Rickert of Northern Illinois University. + DEVTOOLS: Add new options for installation of include and library + files: confINCGRP, confINCMODE, confINCOWN, confLIBGRP, + confLIBMODE, confLIBOWN. + DEVTOOLS: Add new option confDONT_INSTALL_CATMAN to turn off + installation of the the formatted man pages on operating + systems which don't include cat directories. + EDITMAP: New program for editing maps as supplement to makemap. + MAIL.LOCAL: Mail.local now uses the libsm mbdb package to look up + local mail recipients. New option -D mbdb specifies the + mailbox database type. + MAIL.LOCAL: New option "-h filename" which instructs mail.local to + deliver the mail to the named file in the user's home + directory instead of the system mail spool area. Based on + patch from Doug Hardie of the Los Angeles Free-Net. + MAILSTATS: New command line option -P which acts the same as -p but + doesn't truncate the statistics file. + MAKEMAP: Add new option -t to specify a different delimiter + instead of white space. + RMAIL: Invoke sendmail with '-G' to indicate this is a gateway + submission. Problem noted by Kari Hurtta of the Finnish + Meteorological Institute. + SMRSH: Use the vendor supplied directory on FreeBSD 3.3 and later. + VACATION: Change Auto-Submitted: header value from auto-generated to + auto-replied. From Kenneth Murchison of Oceana Matrix Ltd. + VACATION: New option -d to send error/debug messages to stdout + instead of syslog. + VACATION: New option -U which prevents the attempt to lookup login + in the password file. The -f and -m options must be used + to specify the database and message file since there is no + home directory for the default settings for these options. + VACATION: Vacation now uses the libsm mbdb package to look up + local mail recipients; it reads the MailboxDatabase option + from the sendmail.cf file. New option -C cffile which + specifies the path of the sendmail.cf file. + New Directories: + libmilter/docs + New Files: + cf/cf/README + cf/cf/submit.cf + cf/cf/submit.mc + cf/feature/authinfo.m4 + cf/feature/compat_check.m4 + cf/feature/enhdnsbl.m4 + cf/feature/msp.m4 + cf/feature/local_no_masquerade.m4 + cf/feature/lookupdotdomain.m4 + cf/feature/preserve_luser_host.m4 + cf/feature/preserve_local_plus_detail.m4 + cf/feature/queuegroup.m4 + cf/sendmail.schema + contrib/dnsblaccess.m4 + devtools/M4/UNIX/sm-test.m4 + devtools/OS/OpenUNIX.5.i386 + editmap/* + include/sm/* + libsm/* + libsmutil/cf.c + libsmutil/err.c + sendmail/SECURITY + sendmail/TUNING + sendmail/bf.c + sendmail/bf.h + sendmail/sasl.c + sendmail/sm_resolve.c + sendmail/sm_resolve.h + sendmail/tls.c + Deleted Files: + cf/feature/rbl.m4 + cf/ostype/aix2.m4 + devtools/OS/AIX.2 + include/sendmail/cdefs.h + include/sendmail/errstring.h + include/sendmail/useful.h + libsmutil/errstring.c + sendmail/bf_portable.c + sendmail/bf_portable.h + sendmail/bf_torek.c + sendmail/bf_torek.h + sendmail/clock.c + Renamed Files: + cf/cf/generic-solaris2.mc => cf/cf/generic-solaris.mc + cf/cf/generic-solaris2.cf => cf/cf/generic-solaris.cf + cf/ostype/aux.m4 => cf/ostype/a-ux.m4 + +8.11.7/8.11.7 2003/03/29 + SECURITY: Fix a remote buffer overflow in header parsing by + dropping sender and recipient header comments if the + comments are too long. Problem noted by Mark Dowd + of ISS X-Force. + SECURITY: Fix a buffer overflow in address parsing due to + a char to int conversion problem which is potentially + remotely exploitable. Problem found by Michal Zalewski. + Note: an MTA that is not patched might be vulnerable to + data that it receives from untrusted sources, which + includes DNS. + To provide partial protection to internal, unpatched sendmail MTAs, + 8.11.7 changes by default (char)0xff to (char)0x7f in + headers etc. To turn off this conversion compile with + -DALLOW_255 or use the command line option -d82.101. + To provide partial protection for internal, unpatched MTAs that may be + performing 7->8 or 8->7 bit MIME conversions, the default + for MaxMimeHeaderLength has been changed to 2048/1024. + Note: this does have a performance impact, and it only + protects against frontal attacks from the outside. + To disable the checks and return to pre-8.11.7 defaults, + set MaxMimeHeaderLength to 0/0. + Properly clean up macros to avoid persistence of session data + across various connections. This could cause session + oriented restrictions, e.g., STARTTLS requirements, + to erroneously allow a connection. Problem noted + by Tim Maletic of Priority Health. + Ignore comments in NIS host records when trying to find the + canonical name for a host. + Fix a memory leak when closing Hesiod maps. + Set ${msg_size} macro when reading a message from the command line + or the queue. + Prevent a segmentation fault when clearing the event list by + turning off alarms before checking if event list is + empty. Problem noted by Allan E Johannesen of Worcester + Polytechnic Institute. + Fix a potential core dump problem if the environment variable + NAME is set. Problem noted by Beth A. Chaney of + Purdue University. + Prevent a race condition on child cleanup for delivery to files. + Problem noted by Fletcher Mattox of the University of + Texas. + CONFIG: Do not bounce mail if FEATURE(`ldap_routing')'s bounce + parameter is set and the LDAP lookup returns a temporary + error. + CONFIG: Fix a syntax error in the try_tls ruleset if + FEATURE(`access_db') is not enabled. + LIBSMDB: Fix a lock race condition that affects makemap, praliases, + and vacation. + LIBSMDB: Avoid a file creation race condition for Berkeley DB 1.X + and NDBM on systems with the O_EXLOCK open(2) flag. + MAKEMAP: Avoid going beyond the end of an input line if it does + not contain a value for a key. Based on patch from + Mark Bixby from Hewlett-Packard. + MAIL.LOCAL: Fix a truncation race condition if the close() on + the mailbox fails. Problem noted by Tomoko Fukuzawa of + Sun Microsystems. + SMRSH: SECURITY: Only allow regular files or symbolic links to be + used for a command. Problem noted by David Endler of + iDEFENSE, Inc. + +8.11.6/8.11.6 2001/08/20 + SECURITY: Fix a possible memory access violation when specifying + out-of-bounds debug parameters. Problem detected by + Cade Cairns of SecurityFocus. + Avoid leaking recipient information in unrelated DSNs. This could + happen if a connection is aborted, several mails had been + scheduled for delivery via that connection, and the timeout + is reached such that several DSNs are sent next. Problem + noted by Dileepan Moorkanat of Hewlett-Packard. + Fix a possible segmentation violation when specifying too many + wildcard operators in a rule. Problem detected by + Werner Wiethege. + Avoid a segmentation fault on non-matching Hesiod lookups. Problem + noted by Russell McOrmond of flora.ca + +8.11.5/8.11.5 2001/07/31 + Fix a possible race condition when sending a HUP signal to restart + the daemon. This could terminate the current process without + starting a new daemon. Problem reported by Wolfgang Breyha + of SE Netway Communications. + Only apply MaxHeadersLength when receiving a message via SMTP or + the command line. Problem noted by Andrey J. Melnikoff. + When finding the system's local hostname on an IPv6-enabled system + which doesn't have any IPv6 interface addresses, fall back + to looking up only IPv4 addresses. Problem noted by Tim + Bosserman of EarthLink. + When commands were being rejected due to check_relay or TCP + Wrappers, the ETRN command was not giving a response. + Incoming IPv4 connections on a Family=inet6 daemon (using + IPv4-mapped addresses) were incorrectly labeled as "may be + forged". Problem noted by Per Steinar Iversen of Oslo + University College. + Shutdown address test mode cleanly on SIGTERM. Problem noted by + Greg King of the OAO Corporation. + Restore the original real uid (changed in main() to prevent + out of band signals) before invoking a delivery agent. + Some delivery agents use this for the "From " envelope + "header". Problem noted by Leslie Carroll of the + University at Albany. + Mark closed file descriptors properly to avoid reuse. Problem + noted by Jeff Bronson of J.D. Bronson, Inc. + Setting Timeout options on the command line will also override + their sub-suboptions in the .cf file, e.g., -O + Timeout.queuereturn=2d will set all queuereturn timeouts + to 2 days. Problem noted by Roger B.A. Klorese. + Portability: + BSD/OS has a broken setreuid() implementation. Problem + noted by Vernon Schryver of Rhyolite Software. + BSD/OS has /dev/urandom(4) (as of version 4.1/199910 ?). + Noted by Vernon Schryver of Rhyolite Software. + BSD/OS has fchown(2). Noted by Dave Yadallee of Netline + 2000 Internet Solutions Inc. + Solaris 2.X and later have strerror(3). From Sebastian + Hagedorn of Cologne University. + CONFIG: Fix parsing for IPv6 domain literals in addresses + (user@[IPv6:address]). Problem noted by Liyuan Zhou. + +8.11.4/8.11.4 2001/05/28 + Clean up signal handling routines to reduce the chances of heap + corruption and other potential race conditions. + Terminating and restarting the daemon may not be + instantaneous due to this change. Also, non-root users can + no longer send out-of-band signals. Problem reported by + Michal Zalewski of BindView. + If LogLevel is greater than 9 and SASL fails to negotiate an + encryption layer, avoid core dump logging the encryption + strength. Problem noted by Miroslav Zubcic of Crol. + If a server offers "AUTH=" and "AUTH " and the list of mechanisms is + different in those two lines, sendmail might not have + recognized (and used) all of the offered mechanisms. + Fix an IP address lookup problem on Solaris 2.0 - 2.3. Patch + from Kenji Miyake. + This time, really don't use the .. directory when expanding + QueueDirectory wildcards. + If a process is interrupted while closing a map, don't try to close + the same map again while exiting. + Allow local mailers (F=l) to contact remote hosts (e.g., via + LMTP). Problem noted by Norbert Klasen of the University + of Tuebingen. + If Timeout.QueueReturn was set to a value less the time it took + to write a new queue file (e.g., 0 seconds), the bounce + message would be lost. Problem noted by Lorraine L Goff of + Oklahoma State University. + Pass map argument vector into map rewriting engine for the regex + and prog map types. Problem noted by Stephen Gildea of + InTouch Systems, Inc. + When closing an LDAP map due to a temporary error, close all of the + other LDAP maps which share the original map's connection + to the LDAP server. Patch from Victor Duchovni of + Morgan Stanley. + To detect changes of NDBM aliases files check the timestamp of the + .pag file instead of the .dir file. Problem noted by Neil + Rickert of Northern Illinois University. + Don't treat temporary hesiod lookup failures as permanent. Patch + from Werner Wiethege. + If ClientPortOptions is set, make sure to create the outgoing socket + with the family set in that option. Patch from Sean Farley. + Avoid a segmentation fault trying to dereference a NULL pointer + when logging a MaxHopCount exceeded error with an empty + recipient list. Problem noted by Chris Adams of HiWAAY + Internet Services. + Fix DSN for "Too many hops" bounces. Problem noticed by Ulrich + Windl of the Universitaet Regensburg. + Fix DSN for "mail loops back to me" bounces. Problem noticed by + Kari Hurtta of the Finnish Meteorological Institute. + Portability: + OpenBSD has a broken setreuid() implementation. + CONFIG: Undo change from 8.11.1: change 501 SMTP reply code back + to 553 since it is allowed by DRUMS. + CONFIG: Add OSTYPE(freebsd4) for FreeBSD 4.X. + DEVTOOLS: install.sh did not properly handle paths in the source + file name argument. Noted by Kari Hurtta of the Finnish + Meteorological Institute. + DEVTOOLS: Add FAST_PID_RECYCLE to compile time options for OpenBSD + since it generates random process ids. + PRALIASES: Add back adaptive algorithm to deal with different endings + of entries in the database (with/without trailing '\0'). + Patch from John Beck of Sun Microsystems. + New Files: + cf/ostype/freebsd4.m4 + +8.11.3/8.11.3 2001/02/27 + Prevent a segmentation fault when a bogus value was used in the + LDAPDefaultSpec option's -r, -s, or -M flags and if a bogus + option was used. Problem noted by Allan E Johannesen of + Worcester Polytechnic Institute. + Prevent "token too long" message by shortening {currHeader} which + could be too long if the last copied character was a quote. + Problem detected by Jan Krueger of digitalanswers + communications consulting gmbh. + Additional IPv6 check for unspecified addresses. Patch from + Jun-ichiro itojun Hagino of the KAME Project. + Do not ignore the ClientPortOptions setting if DaemonPortOptions + Modifier=b (bind to same interface) is set and the + connection came in from the command line. + Do not bind to the loopback address if DaemonPortOptions + Modifier=b (bind to same interface) is set. Patch from + John Beck of Sun Microsystems. + Properly deal with open failures on non-optional maps used in + check_* rulesets by returning a temporary failure. + Buffered file I/O files were not being properly fsync'ed to disk + when they were committed. + Properly encode '=' for the AUTH= parameter of the MAIL command. + Problem noted by Hadmut Danisch. + Under certain circumstances the macro {server_name} could be set + to the wrong hostname (of a previous connection), which may + cause some rulesets to return wrong results. This would + usually cause mail to be queued up and delivered later on. + Ignore F=z (LMTP) mailer flag if $u is given in the mailer A= + equate. Problem noted by Motonori Nakamura of Kyoto + University. + Work around broken accept() implementations which only partially + fill in the peer address if the socket is closed before + accept() completes. + Return an SMTP "421" temporary failure if the data file can't be + opened where the "354" reply would normally be given. + Prevent a CPU loop in trying to expand a macro which doesn't exist + in a queue run. Problem noted by Gordon Lack of Glaxo + Wellcome. + If delivering via a program and that program exits with EX_TEMPFAIL, + note that fact for the mailq display instead of just showing + "Deferred". Problem noted by Motonori Nakamura of Kyoto + University. + If doing canonification via /etc/hosts, try both the fully + qualified hostname as well as the first portion of the + hostname. Problem noted by David Bremner of the + University of New Brunswick. + Portability: + Fix a compilation problem for mail.local and rmail if SFIO + is in use. Problem noted by Auteria Wally + Winzer Jr. of Champion Nutrition. + IPv6 changes for platforms using KAME. Patch from + Jun-ichiro itojun Hagino of the KAME Project. + OpenBSD 2.7 and higher has srandomdev(3). OpenBSD 2.8 and + higher has BSDI-style login classes. Patch from + Todd C. Miller of Courtesan Consulting. + Unixware 7.1.1 doesn't allow h_errno to be set directly if + sendmail is being compiled with -kthread. Problem + noted by Orion Poplawski of CQG, Inc. + CONTRIB: buildvirtuser: Substitute current domain for $DOMAIN and + current left hand side for $LHS in virtuser files. + DEVTOOLS: Do not pass make targets to recursive Build invocations. + Problem noted by Jeff Bronson of J.D. Bronson, Inc. + MAIL.LOCAL: In LMTP mode, do not return errors regarding problems + storing the temporary message file until after the remote + side has sent the final DATA termination dot. Problem + noted by Allan E Johannesen of Worcester Polytechnic + Institute. + MAIL.LOCAL: If LMTP mode is set, give a temporary error if users + are also specified on the command line. Patch from + Motonori Nakamura of Kyoto University. + PRALIASES: Skip over AliasFile specifications which aren't based on + database files (i.e., only show dbm, hash, and btree). + Renamed Files: + devtools/OS/OSF1.V5.0 => devtools/OS/OSF1.V5.x + +8.11.2/8.11.2 2000/12/29 + Prevent a segmentation fault when trying to set a class in + address test mode due to a negative array index. Audit + other array indexing. This bug is not believed to be + exploitable. Noted by Michal Zalewski of the "Internet for + Schools" project (IdS). + Add an FFR (for future release) to drop privileges when using + address test mode. This will be turned on in 8.12. It can + be enabled by compiling with: + APPENDDEF(`conf_sendmail_ENVDEF', `-D_FFR_TESTMODE_DROP_PRIVS') + in your devtools/Site/site.config.m4 file. Suggested by + Michal Zalewski of the "Internet for Schools" project (IdS). + Fix potential problem with Cyrus-SASL security layer which may have + caused I/O errors, especially for mechanism DIGEST-MD5. + When QueueSortOrder was set to host, sendmail might not read + enough of the queue file to determine the host, making the + sort sub-optimal. Problem noted by Jeff Earickson of + Colby College. + Don't issue DSNs for addresses which use the NOTIFY parameter (per + RFC 1891) but don't have FAILURE as value. + Initialize Cyrus-SASL library before the SMTP daemon is started. + This implies that every change to SASL related files requires + a restart of the daemon, e.g., Sendmail.conf, new SASL + mechanisms (in form of shared libraries). + Properly set the STARTTLS related macros during a queue run for + a cached connection. Bug reported by Michael Kellen of + NxNetworks, Inc. + Log the server name in relay= for ruleset tls_server instead of the + client name. + Include original length of bad field/header when reporting + MaxMimeHeaderLength problems. Requested by Ulrich Windl of + the Universitat Regensburg. + Fix delivery to set-user-ID files that are expanded from aliases in + DeliveryMode queue. Problem noted by Ric Anderson of the + University of Arizona. + Fix LDAP map -m (match only) flag. Problem noted by Jeff Giuliano + of Collective Technologies. + Avoid using a negative argument for sleep() calls when delaying answers + to EXPN/VRFY commands on systems which respond very slowly. + Problem noted by Mikolaj J. Habryn of Optus Internet + Engineering. + Make sure the F=u flag is set in the default prog mailer + definition. Problem noted by Kari Hurtta of the Finnish + Meteorological Institute. + Fix IPv6 check for unspecified addresses. Patch from + Jun-ichiro itojun Hagino of the KAME Project. + Fix return values for IRIX nsd map. From Kari Hurtta of the Finnish + Meteorological Institute. + Fix parsing of DaemonPortOptions and ClientPortOptions. Read all + of the parameters to find Family= setting before trying to + interpret Addr= and Port=. Problem noted by Valdis + Kletnieks of Virginia Tech. + When delivering to a file directly from an alias, do not call + initgroups(); instead use the DefaultUser group information. + Problem noted by Marc Schaefer of ALPHANET NF. + RunAsUser now overrides the ownership of the control socket, if + created. Otherwise, sendmail can not remove it upon + close. Problem noted by Werner Wiethege. + Fix ConnectionRateThrottle counting as the option is the number of + overall connections, not the number of connections per + socket. A future version may change this to per socket + counting. + Portability: + Clean up libsmdb so it functions properly on platforms + where sizeof(u_int32_t) != sizeof(size_t). Problem + noted by Rein Tollevik of Basefarm AS. + Fix man page formatting for compatibility with Solaris' + whatis. From Stephen Gildea of InTouch Systems, Inc. + UnixWare 7 includes snprintf() support. From Larry + Rosenman. + IPv6 changes for platforms using KAME. Patch from + Jun-ichiro itojun Hagino of the KAME Project. + Avoid a typedef compile conflict with Berkeley DB 3.X and + Solaris 2.5 or earlier. Problem noted by Bob Hughes + of Pacific Access. + Add preliminary support for AIX 5. Contributed by + Valdis Kletnieks of Virginia Tech. + Solaris 9 load average support from Andrew Tucker of Sun + Microsystems. + CONFIG: Reject addresses of the form a!b if FEATURE(`nouucp', `r') + is used. Problem noted by Phil Homewood of Asia Online, + patch from Neil Rickert of Northern Illinois University. + CONFIG: Change the default DNS based blacklist server for + FEATURE(`dnsbl') to blackholes.mail-abuse.org. + CONFIG: Deal correctly with the 'C' flag in {daemon_flags}, i.e., + implicitly assume canonical host names. + CONFIG: Deal with "::" in IPv6 addresses for access_db. Based on + patch by Motonori Nakamura of Kyoto University. + CONFIG: New OSTYPE(`aix5') contributed by Valdis Kletnieks of + Virginia Tech. + CONFIG: Pass the illegal header form through untouched + instead of making it worse. Problem noted by Motonori + Nakamura of Kyoto University. + CONTRIB: Added buildvirtuser (see `perldoc contrib/buildvirtuser`). + CONTRIB: qtool.pl: An empty queue is not an error. Problem noted + by Jan Krueger of digitalanswers communications consulting + gmbh. + CONTRIB: domainmap.m4: Handle domains with '-' in them. From Mark + Roth of the University of Illinois at Urbana-Champaign. + DEVTOOLS: Change the internal devtools OS, REL, and ARCH m4 + variables into bldOS, bldREL, and bldARCH to prevent + namespace collisions. Problem noted by Motonori Nakamura + of Kyoto University. + RMAIL: Undo the 8.11.1 change to use -G when calling sendmail. It + causes some changes in behavior and may break rmail for + installations where sendmail is actually a wrapper to + another MTA. The change will re-appear in a future + version. + SMRSH: Use the vendor supplied directory on HPUX 10.X, HPUX 11.X, + and SunOS 5.8. Requested by Jeff A. Earickson of Colby + College and John Beck of Sun Microsystems. + VACATION: Fix pattern matching for addresses to ignore. + VACATION: Don't reply to addresses of the form owner-* + or *-owner. + New Files: + cf/ostype/aix5.m4 + contrib/buildvirtuser + devtools/OS/AIX.5.0 + +8.11.1/8.11.1 2000/09/27 + Fix SMTP EXPN command output if the address expands to a single + name. Fix from John Beck of Sun Microsystems. + Don't try STARTTLS in the client if the PRNG has not been properly + seeded. This problem only occurs on systems without + /dev/urandom. Problem detected by Jan Krueger of + digitalanswers communications consulting gmbh and + Neil Rickert of Northern Illinois University. + Don't use the . and .. directories when expanding QueueDirectory + wildcards. + Do not try to cache LDAP connections across processes as a parent + process may close the connection before the child process + has completed. Problem noted by Lai Yiu Fai of the Hong + Kong University of Science and Technology and Wolfgang + Hottgenroth of UUNET. + Use Timeout.fileopen to limit the amount of time spent trying to + read the LDAP secret from a file. + Prevent SIGTERM from removing a command line submitted item after + the user submits the message and before the first delivery + attempt completes. Problem noted by Max France of AlphaNet. + Fix from Neil Rickert of Northern Illinois University. + Deal correctly with MaxMessageSize restriction if message size is + greater than 2^31. Problem noted by Tim "Darth Dice" Bosserman + of EarthLink. + Turn off queue checkpointing if CheckpointInterval is set to zero. + Treat an empty home directory (from getpw*() or $HOME) as + non-existent instead of treating it as /. Problem noted by + Todd C. Miller of Courtesan Consulting. + Don't drop duplicate headers when reading a queued item. Problem + noted by Motonori Nakamura of Kyoto University. + Avoid bogus error text when logging the savemail panic "cannot + save rejected email anywhere". Problem noted by Marc G. + Fournier of Acadia University. + If an LDAP search fails because the LDAP server went down, close + the map so subsequent searches reopen the map. If there are + multiple LDAP servers, the down server will be skipped and + one of the others may be able to take over. + Set the ${load_avg} macro to the current load average, not the + previous load average query result. + If a non-optional map used in a check_* ruleset can't be opened, + return a temporary failure to the remote SMTP client + instead of ignoring the map. Problem noted by Allan E + Johannesen of Worcester Polytechnic Institute. + Avoid a race condition when queuing up split envelopes by saving + the split envelopes before the original envelope. + Fix a bug in the PH_MAP code which caused mail to bounce instead of + defer if the PH server could not be contacted. From Mark + Roth of the University of Illinois at Urbana-Champaign. + Prevent QueueSortOrder=Filename from interfering with -qR, -qS, and + ETRN. Problem noted by Erik R. Leo of SoVerNet. + Change error code for unrecognized parameters to the SMTP MAIL and + RCPT commands from 501 to 555 per RFC 1869. Problem + reported to Postfix by Robert Norris of Monash University. + Prevent overwriting the argument of -B on certain OS. Problem + noted by Matteo Gelosa of I.NET S.p.A. + Use the proper routine for freeing memory with Netscape's LDAP + client libraries. Patch from Paul Hilchey of the + University of British Columbia. + Portability: + Move the NETINET6 define to devtools/OS/SunOS.5.{8,9} + instead of defining it in conf.h so users can + override the setting. Suggested by + Henrik Nordstrom of Ericsson. + On HP-UX 10.X and 11.X, use /usr/sbin/sendmail instead of + /usr/lib/sendmail for rmail and vacation. From + Jeff A. Earickson of Colby College. + On HP-UX 11.X, use /usr/sbin instead of /usr/libexec (which + does not exist). From Jeff A. Earickson of Colby + College. + Avoid using the UCB subsystem on NCR MP-RAS 3.x. From + Tom Moore of NCR. + NeXT 3.X and 4.X installs man pages in /usr/man. From + Hisanori Gogota of NTT/InterCommunicationCenter. + Solaris 8 and later include /var/run. The default PID file + location is now /var/run/sendmail.pid. From John + Beck of Sun Microsystems. + SFIO includes snprintf() for those operating systems + which do not. From Todd C. Miller of Courtesan + Consulting. + CONFIG: Use the result of _CERT_REGEX_SUBJECT_ not {cert_subject}. + Problem noted by Kaspar Brand of futureLab AG. + CONFIG: Change 553 SMTP reply code to 501 to avoid problems with + errors in the MAIL address. + CONFIG: Fix FEATURE(nouucp) usage in example .mc files. Problem + noted by Ron Jarrell of Virginia Tech. + CONFIG: Add support for Solaris 8 (and later) as OSTYPE(solaris8). + Contributed by John Beck of Sun Microsystems. + CONFIG: Set confFROM_HEADER such that the mail hub can possibly add + GECOS information for an address. This more closely + matches pre-8.10 nullclient behavior. From Per Hedeland of + Ericsson. + CONFIG: Fix MODIFY_MAILER_FLAGS(): apply the flag modifications for + SMTP to all *smtp* mailers and those for RELAY to the relay + mailer as described in cf/README. + MAIL.LOCAL: Open the mailbox as the recipient not root so quotas + are obeyed. Problem noted by Damian Kuczynski of NIK. + MAKEMAP: Do not change a map's owner to the TrustedUser if using + makemap to 'unmake' the map. + RMAIL: Avoid overflowing the list of recipients being passed to + sendmail. + RMAIL: Invoke sendmail with '-G' to indicate this is a gateway + submission. Problem noted by Kari Hurtta of the Finnish + Meteorological Institute. + VACATION: Read the complete message to avoid "broken pipe" signals. + VACATION: Do not cut off vacation.msg files which have a single + dot as the only character on the line. + New Files: + cf/ostype/solaris8.m4 + +8.11.0/8.11.0 2000/07/19 + SECURITY: If sendmail is installed as a non-root set-user-ID binary + (not the normal case), some operating systems will still + keep a saved-uid of the effective-uid when sendmail tries + to drop all of its privileges. If sendmail needs to drop + these privileges and the operating system doesn't set the + saved-uid as well, exit with an error. Problem noted by + Kari Hurtta of the Finnish Meteorological Institute. + SECURITY: sendmail depends on snprintf() NUL terminating the string + it populates. It is possible that some broken + implementations of snprintf() exist that do not do this. + Systems in this category should compile with + -DSNPRINTF_IS_BROKEN=1. Use test/t_snprintf.c to test your + system and report broken implementations to + sendmail-bugs@sendmail.org and your OS vendor. Problem + noted by Slawomir Piotrowski of TELSAT GP. + Support SMTP Service Extension for Secure SMTP (RFC 2487) (STARTTLS). + Implementation influenced by the example programs of + OpenSSL and the work of Lutz Jaenicke of TU Cottbus. + Add new STARTTLS related options CACERTPath, CACERTFile, + ClientCertFile, ClientKeyFile, DHParameters, RandFile, + ServerCertFile, and ServerKeyFile. These are documented in + cf/README and doc/op/op.*. + New STARTTLS related macros: ${cert_issuer}, ${cert_subject}, + ${tls_version}, ${cipher}, ${cipher_bits}, ${verify}, + ${server_name}, and ${server_addr}. These are documented + in cf/README and doc/op/op.*. + Add support for the Entropy Gathering Daemon (EGD) for better + random data. + New DontBlameSendmail option InsufficientEntropy for systems which + don't properly seed the PRNG for OpenSSL but want to + try to use STARTTLS despite the security problems. + Support the security layer in SMTP AUTH for mechanisms which + support encryption. Based on code contributed by Tim + Martin of CMU. + Add new macro ${auth_ssf} to reflect the SMTP AUTH security + strength factor. + LDAP's -1 (single match only) flag was not honored if the -z + (delimiter) flag was not given. Problem noted by ST Wong of + the Chinese University of Hong Kong. Fix from Mark Adamson + of CMU. + Add more protection from accidentally tripping OpenLDAP 1.X's + ld_errno == LDAP_DECODING_ERROR hack on ldap_next_attribute(). + Suggested by Kurt Zeilenga of OpenLDAP. + Fix the default family selection for DaemonPortOptions. As + documented, unless a family is specified in a + DaemonPortOptions option, "inet" is the default. It is + also the default if no DaemonPortOptions value is set. + Therefore, IPv6 users should configure additional sockets + by adding DaemonPortOptions settings with Family=inet6 if + they wish to also listen on IPv6 interfaces. Problem noted + by Jun-ichiro itojun Hagino of the KAME Project. + Set ${if_family} when setting ${if_addr} and ${if_name} to reflect + the interface information for an outgoing connection. + Not doing so was creating a mismatch between the socket + family and address used in subsequent connections if the + M=b modifier was set in DaemonPortOptions. Problem noted + by John Beck of Sun Microsystems. + If DaemonPortOptions modifier M=b is used, determine the socket + family based on the IP address. ${if_family} is no longer + persistent (i.e., saved in qf files). Patch from John Beck + of Sun Microsystems. + sendmail 8.10 and 8.11 reused the ${if_addr} and ${if_family} + macros for both the incoming interface address/family and + the outgoing interface address/family. In order for M=b + modifier in DaemonPortOptions to work properly, preserve + the incoming information in the queue file for later + delivery attempts. + Use SMTP error code and enhanced status code from check_relay in + responses to commands. Problem noted by Jeff Wasilko of + smoe.org. + Add more vigilance in checking for putc() errors on output streams + to protect from a bug in Solaris 2.6's putc(). Problem + noted by Graeme Hewson of Oracle. + The LDAP map -n option (return attribute names only) wasn't working. + Problem noted by Ajay Matia. + Under certain circumstances, an address could be listed as deferred + but would be bounced back to the sender as failed to be + delivered when it really should have been queued. Problem + noted by Allan E Johannesen of Worcester Polytechnic Institute. + Prevent a segmentation fault in a child SMTP process from getting + the SMTP transaction out of sync. Problem noted by Per + Hedeland of Ericsson. + Turn off RES_DEBUG if SFIO is defined unless SFIO_STDIO_COMPAT + is defined to avoid a core dump due to incompatibilities + between sfio and stdio. Problem noted by Neil Rickert + of Northern Illinois University. + Don't log useless envelope ID on initial connection log. Problem + noted by Kari Hurtta of the Finnish Meteorological Institute. + Convert the free disk space shown in a control socket status query + to kilobyte units. + If TryNullMXList is True and there is a temporary DNS failure + looking up the hostname, requeue the message for a later + attempt. Problem noted by Ari Heikkinen of Pohjois-Savo + Polytechnic. + Under the proper circumstances, failed connections would be recorded + as "Bad file number" instead of "Connection failed" in the + queue file and persistent host status. Problem noted by + Graeme Hewson of Oracle. + Avoid getting into an endless loop if a non-hoststat directory exists + within the hoststatus directory (e.g., lost+found). + Patch from Valdis Kletnieks of Virginia Tech. + Make sure Timeout.queuereturn=now returns a bounce message to the + sender. Problem noted by Per Hedeland of Ericsson. + If a message data file can't be opened at delivery time, panic and + abort the attempt instead of delivering a message that + states "<<< No Message Collected >>>". + Fixup the GID checking code from 8.10.2 as it was overly + restrictive. Problem noted by Mark G. Thomas of Mark + G. Thomas Consulting. + Preserve source port number instead of replacing it with the ident + port number (113). + Document the queue status characters in the mailq man page. + Suggested by Ulrich Windl of the Universitat Regensburg. + Process queued items in which none of the recipient addresses have + host portions (or there are no recipients). Problem noted + by Valdis Kletnieks of Virginia Tech. + If a cached LDAP connection is used for multiple maps, make sure + only the first to open the connection is allowed to close + it so a later map close doesn't break the connection for + other maps. Problem noted by Wolfgang Hottgenroth of UUNET. + Netscape's LDAP libraries do not support Kerberos V4 + authentication. Patch from Rainer Schoepf of the + University of Mainz. + Provide workaround for inconsistent handling of data passed + via callbacks to Cyrus SASL prior to version 1.5.23. + Mention ENHANCEDSTATUSCODES in the SMTP HELP helpfile. Omission + noted by Ulrich Windl of the Universitat Regensburg. + Portability: + Add the ability to read IPv6 interface addresses into class + 'w' under FreeBSD (and possibly others). From Jun + Kuriyama of IMG SRC, Inc. and the FreeBSD Project. + Replace code for finding the number of CPUs on HPUX. + NCRUNIX MP-RAS 3.02 SO_REUSEADDR socket option does not + work properly causing problems if the accept() + fails and the socket needs to be reopened. Patch + from Tom Moore of NCR. + NetBSD uses a .0 extension of formatted man pages. From + Andrew Brown of Crossbar Security. + Return to using the IPv6 AI_DEFAULT flag instead of AI_V4MAPPED + for calls to getipnodebyname(). The Linux + implementation is broken so AI_ADDRCONFIG is stripped + under Linux. From John Beck of Sun Microsystems and + John Kennedy of Cal State University, Chico. + CONFIG: Catch invalid addresses containing a ',' at the wrong place. + Patch from Neil Rickert of Northern Illinois University. + CONFIG: New variables for the new sendmail options: + confCACERT_PATH CACERTPath + confCACERT CACERTFile + confCLIENT_CERT ClientCertFile + confCLIENT_KEY ClientKeyFile + confDH_PARAMETERS DHParameters + confRAND_FILE RandFile + confSERVER_CERT ServerCertFile + confSERVER_KEY ServerKeyFile + CONFIG: Provide basic rulesets for TLS policy control and add new + tags to the access database to support these policies. See + cf/README for more information. + CONFIG: Add TLS information to the Received: header. + CONFIG: Call tls_client ruleset from check_mail in case it wasn't + called due to a STARTTLS command. + CONFIG: If TLS_PERM_ERR is defined, TLS related errors are permanent + instead of temporary. + CONFIG: FEATURE(`relay_hosts_only') didn't work in combination with + the access map and relaying to a domain without using a To: + tag. Problem noted by Mark G. Thomas of Mark G. Thomas + Consulting. + CONFIG: Set confEBINDIR to /usr/sbin to match the devtools entry in + OSTYPE(`linux') and OSTYPE(`mklinux'). From Tim Pierce of + RootsWeb.com. + CONFIG: Make sure FEATURE(`nullclient') doesn't use aliasing and + forwarding to make it as close to the old behavior as + possible. Problem noted by George W. Baltz of the + University of Maryland. + CONFIG: Added OSTYPE(`darwin') for Mac OS X and Darwin users. From + Wilfredo Sanchez of Apple Computer, Inc. + CONFIG: Changed the map names used by FEATURE(`ldap_routing') from + ldap_mailhost and ldap_mailroutingaddress to ldapmh and + ldapmra as underscores in map names cause problems if + underscore is in OperatorChars. Problem noted by Bob Zeitz + of the University of Alberta. + CONFIG: Apply blacklist_recipients also to hosts in class {w}. + Patch from Michael Tratz of Esosoft Corporation. + CONFIG: Use A=TCP ... instead of A=IPC ... in SMTP mailers. + CONTRIB: Add link_hash.sh to create symbolic links to the hash + of X.509 certificates. + CONTRIB: passwd-to-alias.pl: More protection from special characters; + treat special shells as root aliases; skip entries where the + GECOS full name and username match. From Ulrich Windl of the + Universitat Regensburg. + CONTRIB: qtool.pl: Add missing last_modified_time method and fix a + typo. Patch from Graeme Hewson of Oracle. + CONTRIB: re-mqueue.pl: Improve handling of a race between re-mqueue + and sendmail. Patch from Graeme Hewson of Oracle. + CONTRIB: re-mqueue.pl: Don't exit(0) at end so can be called as + subroutine Patch from Graeme Hewson of Oracle. + CONTRIB: Add movemail.pl (move old mail messages between queues by + calling re-mqueue.pl) and movemail.conf (configuration + script for movemail.pl). From Graeme Hewson of Oracle. + CONTRIB: Add cidrexpand (expands CIDR blocks as a preprocessor to + makemap). From Derek J. Balling of Yahoo,Inc. + DEVTOOLS: INSTALL_RAWMAN installation option mistakenly applied any + extension modifications (e.g., MAN8EXT) to the installation + target. Patch from James Ralston of Carnegie Mellon + University. + DEVTOOLS: Add support for SunOS 5.9. + DEVTOOLS: New option confLN contains the command used to create + links. + LIBSMDB: Berkeley DB 2.X and 3.X errors might be lost and not + reported. + MAIL.LOCAL: DG/UX portability. Problem noted by Tim Boyer of + Denman Tire Corporation. + MAIL.LOCAL: Prevent a possible DoS attack when compiled with + -DCONTENTLENGTH. Based on patch from 3APA3A@SECURITY.NNOV.RU. + MAILSTATS: Fix usage statement (-p and -o are optional). + MAKEMAP: Change man page layout as workaround for problem with nroff + and -man on Solaris 7. Patch from Larry Williamson. + RMAIL: AIX 4.3 has snprintf(). Problem noted by David Hayes of + Black Diamond Equipment, Limited. + RMAIL: Prevent a segmentation fault if the incoming message does not + have a From line. + VACATION: Read all of the headers before deciding whether or not + to respond instead of stopping after finding recipient. + Added Files: + cf/ostype/darwin.m4 + contrib/cidrexpand + contrib/link_hash.sh + contrib/movemail.conf + contrib/movemail.pl + devtools/OS/SunOS.5.9 + test/t_snprintf.c + +8.10.2/8.10.2 2000/06/07 + SECURITY: Work around broken Linux setuid() implementation. + On Linux, a normal user process has the ability to subvert + the setuid() call such that it is impossible for a root + process to drop its privileges. Problem noted by Wojciech + Purczynski of elzabsoft.pl. + SECURITY: Add more vigilance around set*uid(), setgid(), setgroups(), + initgroups(), and chroot() calls. + Added Files: + test/t_setuid.c + +8.10.1/8.10.1 2000/04/06 + SECURITY: Limit the choice of outgoing (client-side) SMTP + Authentication mechanisms to those specified in + AuthMechanisms to prevent information leakage. We do not + recommend use of PLAIN for outgoing mail as it sends the + password in clear text to possibly untrusted servers. See + cf/README's DefaultAuthInfo section for additional information. + Copy the ident argument for openlog() to avoid problems on some + OSs. Based on patch from Rob Bajorek from Webhelp.com. + Avoid bogus error message when reporting an alias line as too long. + Avoid bogus socket error message if sendmail.cf version level is + greater than sendmail binary supported version. Patch + from John Beck of Sun Microsystems. + Prevent a malformed ruleset (missing right hand side) from causing + a segmentation fault when using address test mode. Based on + patch from John Beck of Sun Microsystems. + Prevent memory leak from use of NIS maps and yp_match(3). Problem + noted by Gil Kloepfer of the University of Texas at Austin. + Fix queue file permission checks to allow for TrustedUser ownership. + Change logging of errors from the trust_auth ruleset to LogLevel 10 + or higher. + Avoid simple password cracking attacks against SMTP AUTH by using + exponential delay after too many tries within one connection. + Encode an initial empty AUTH challenge as '=', not as empty string. + Avoid segmentation fault on EX_SOFTWARE internal error logs. + Problem noted by Allan E Johannesen of Worcester + Polytechnic Institute. + Ensure that a header check which resolves to $#discard actually + discards the message. + Emit missing value warnings for aliases with no right hand side + when newaliases is run instead of only when delivery is + attempted to the alias. + Remove AuthOptions missing value warning for consistency with other + flag options. + Portability: + SECURITY: Specify a run-time shared library search path for + AIX 4.X instead of using the dangerous AIX 4.X + linker semantics. AIX 4.X users should consult + sendmail/README for further information. Problem + noted by Valdis Kletnieks of Virginia Tech. + Avoid use of strerror(3) call. Problem noted by Charles + Levert of Ecole Polytechnique de Montreal. + DGUX requires -lsocket -lnsl and has a non-standard install + program. From Tim Boyer of Denman Tire Corporation. + HPUX 11.0 has a broken res_search() function. + Updates to devtools/OS/NeXT.3.X, NeXT.4.X, and NEXTSTEP.4.X + from J. P. McCann of E I A. + Digital UNIX/Compaq Tru64 5.0 now includes snprintf(3). + Problem noted by Michael Long of Info Avenue Internet + Services, LLC. + Modern (post-199912) OpenBSD versions include working + strlc{at,py}(3) functions. From Todd C. Miller of + Courtesan Consulting. + SINIX doesn't have random(3). From Gerald Rinske of + Siemens Business Services. + CONFIG: Change error message about unresolvable sender domain to + include the sender address. Proposed by Wolfgang Rupprecht + of WSRCC. + CONFIG: Fix usenet mailer calls. + CONFIG: If RELAY_MAILER_FLAGS is not defined, use SMTP_MAILER_FLAGS + to be backward compatible with 8.9. + CONFIG: Change handling of default case @domain for virtusertable + to allow for +*@domain to deal with +detail. + CONTRIB: Remove converting.sun.configs -- it is obsolete. + DEVTOOLS: confUBINMODE was being ignored. Fix from KITAZIMA, Tuneki + of NEC. + DEVTOOLS: Add to NCR platform list and include the architecture + (i486). From Tom J. Moore of NCR. + DEVTOOLS: SECURITY: Change method of linking with sendmail utility + libraries to work around the AIX 4.X and SunOS 4.X linker's + overloaded -L option. Problem noted by Valdis Kletnieks of + Virginia Tech. + DEVTOOLS: configure.sh was overriding the user's choice for + confNROFF. Problem noted by Glenn A. Malling of Syracuse + University. + DEVTOOLS: New variables conf_prog_LIB_POST and confBLDVARIANT added + for other internal projects but included in the open source + release. + LIBSMDB: Check for ".db" instead of simply "db" at the end of the + map name to determine whether or not to add the extension. + This fixes makemap when building the userdb file. Problem + noted by Andrew J Cole of the University of Leeds. + LIBSMDB: Allow a database to be opened for updating and created if + it doesn't already exist. Problem noted by Rand Wacker of + Sendmail. + LIBSMDB: If type is SMDB_TYPE_DEFAULT and both NEWDB and NDBM are + available, fall back to NDBM if NEWDB open fails. This + fixes praliases. Patch from John Beck of Sun Microsystems. + LIBSMUTIL: safefile()'s SFF_NOTEXCL check was being misinterpreted + as SFF_NOWRFILES. + OP.ME: Clarify some issues regarding mailer flags. Suggested by + Martin Mokrejs of The Charles University and Neil Rickert of + Northern Illinois University. + PRALIASES: Restore 8.9.X functionality of being able to search for + particular keys in a database by specifying the keys on the + command line. Man page updated accordingly. Patch from + John Beck of Sun Microsystems. + VACATION: SunOS 4.X portability from Charles Levert of Ecole + Polytechnique de Montreal. + VACATION: Fix -t option which is ignored but available for + compatibility with Sun's version, based on patch from + Volker Dobler of Infratest Burke. + Added Files: + devtools/M4/UNIX/smlib.m4 + devtools/OS/OSF1.V5.0 + Deleted Files: + contrib/converting.sun.configs + Deleted Directories (already done in 8.10.0 but not listed): + doc/intro + doc/usenix + doc/changes + +8.10.0/8.10.0 2000/03/01 + ************************************************************* + * The engineering department at Sendmail, Inc. has suffered * + * the tragic loss of a key member of our engineering team. * + * Julie Van Bourg was the Vice President of Engineering * + * at Sendmail, Inc. during the development and deployment * + * of this release. It was her vision, dedication, and * + * support that has made this release a success. Julie died * + * on October 26, 1999 of cancer. We have lost a leader, a * + * coach, and a friend. * + * * + * This release is dedicated to her memory and to the joy, * + * strength, ideals, and hope that she brought to all of us. * + * Julie, we miss you! * + ************************************************************* + SECURITY: The safe file checks now back track through symbolic + links to make sure the files can't be compromised due + to poor permissions on the parent directories of the + symbolic link target. + SECURITY: Only root, TrustedUser, and users in class t can rebuild + the alias map. Problem noted by Michal Zalewski of the + "Internet for Schools" project (IdS). + SECURITY: There is a potential for a denial of service attack if + the AutoRebuildAliases option is set as a user can kill the + sendmail process while it is rebuilding the aliases file + (leaving it in an inconsistent state). This option and + its use is deprecated and will be removed from a future + version of sendmail. + SECURITY: Make sure all file descriptors (besides stdin, stdout, and + stderr) are closed before restarting sendmail. Problem noted + by Michal Zalewski of the "Internet for Schools" project + (IdS). + Begin using /etc/mail/ for sendmail related files. This affects + a large number of files. See cf/README for more details. + The directory structure of the distribution has changed slightly + for easier code sharing among the programs. + Support SMTP AUTH (see RFC 2554). New macros for this purpose + are ${auth_authen}, ${auth_type}, and ${auth_author} + which hold the client's authentication credentials, + the mechanism used for authentication, and the + authorization identity (i.e., the AUTH= parameter if + supplied). Based on code contributed by Tim Martin of CMU. + On systems which use the Torek stdio library (all of the BSD + distributions), use memory-buffered files to reduce + file system overhead by not creating temporary files on + disk. Contributed by Exactis.com, Inc. + New option DataFileBufferSize to control the maximum size of a + memory-buffered data (df) file before a disk-based file is + used. Contributed by Exactis.com, Inc. + New option XscriptFileBufferSize to control the maximum size of a + memory-buffered transcript (xf) file before a disk-based + file is used. Contributed by Exactis.com, Inc. + sendmail implements RFC 2476 (Message Submission), e.g., it can + now listen on several different ports. Use: + O DaemonPortOptions=Name=MSA, Port=587, M=E + to run a Message Submission Agent (MSA); this is turned + on by default in m4-generated .cf files; it can be turned + off with FEATURE(`no_default_msa'). + The 'XUSR' SMTP command is deprecated. Mail user agents should + begin using RFC 2476 Message Submission for initial user + message submission. XUSR may disappear from a future release. + The new '-G' (relay (gateway) submission) command line option + indicates that the message being submitted from the command + line is for relaying, not initial submission. This means + the message will be rejected if the addresses are not fully + qualified and no canonicalization will be done. Future + releases may even reject improperly formed messages. + The '-U' (initial user submission) command line option is + deprecated and may be removed from a future release. + Mail user agents should begin using '-G' to indicate that + this is a relay submission (the inverse of -U). + The next release of sendmail will assume that any message submitted + from the command line is an initial user submission and act + accordingly. + If sendmail doesn't have enough privileges to run a .forward + program or deliver to file as the owner of that file, the + address is marked as unsafe. This means if RunAsUser is + set, users won't be able to use programs or delivery to + files in their .forward files. Administrators can override + this by setting the DontBlameSendmail option to the new + setting NonRootSafeAddr. + Allow group or world writable directories if the sticky bit is set + on the directory and DontBlameSendmail is set to + TrustStickyBit. Based on patch from Chris Metcalf of + InCert Software. + Prevent logging of unsafe directory paths for non-existent forward + files if the new DontWarnForwardFileInUnsafeDirPath bit is + set in the DontBlameSendmail option. Requested by many. + New Timeout.control option to limit the total time spent satisfying + a control socket request. + New Timeout.resolver options for controlling BIND resolver + settings: + Timeout.resolver.retrans + Sets the resolver's retransmission time interval (in + seconds). Sets both Timeout.resolver.retrans.first + and Timeout.resolver.retrans.normal. + Timeout.resolver.retrans.first + Sets the resolver's retransmission time interval (in + seconds) for the first attempt to deliver a message. + Timeout.resolver.retrans.normal + Sets the resolver's retransmission time interval (in + seconds) for all resolver lookups except the first + delivery attempt. + Timeout.resolver.retry + Sets the number of times to retransmit a resolver + query. Sets both Timeout.resolver.retry.first + and Timeout.resolver.retry.normal. + Timeout.resolver.retry.first + Sets the number of times to retransmit a resolver + query for the first attempt to deliver a message. + Timeout.resolver.retry.normal + Sets the number of times to retransmit a resolver + query for all resolver lookups except the first + delivery attempt. + Contributed by Exactis.com, Inc. + Support multiple queue directories. To use multiple queues, supply + a QueueDirectory option value ending with an asterisk. For + example, /var/spool/mqueue/q* will use all of the + directories or symbolic links to directories beginning with + 'q' in /var/spool/mqueue as queue directories. Keep in + mind, the queue directory structure should not be changed + while sendmail is running. Queue runs create a separate + process for running each queue unless the verbose flag is + given on a non-daemon queue run. New items are randomly + assigned to a queue. Contributed by Exactis.com, Inc. + Support different directories for qf, df, and xf queue files; if + subdirectories or symbolic links to directories of those names + exist in the queue directories, they are used for the + corresponding queue files. Keep in mind, the queue + directory structure should not be changed while sendmail is + running. Proposed by Mathias Koerber of Singapore + Telecommunications Ltd. + New queue file naming system which uses a filename guaranteed to be + unique for 60 years. This allows queue IDs to be assigned + without fancy file system locking. Queued items can be + moved between queues easily. Contributed by Exactis.com, + Inc. + Messages which are undeliverable due to temporary address failures + (e.g., DNS failure) will now go to the FallBackMX host, if + set. Contributed by Exactis.com, Inc. + New command line option '-L tag' which sets the identifier used for + syslog. Contributed by Exactis.com, Inc. + QueueSortOrder=Filename will sort the queue by filename. This + avoids opening and reading each queue file when preparing + to run the queue. Contributed by Exactis.com, Inc. + Shared memory counters and microtimers functionality has been + donated by Exactis.com, Inc. + The SCCS ID tags have been replaced with RCS ID tags. + Allow trusted users (those on a T line or in $=t) to set the + QueueDirectory (Q) option without an X-Authentication-Warning: + being added. Suggested by Michael K. Sanders. + IPv6 support based on patches from John Kennedy of Cal State + University, Chico, Motonori Nakamura of Kyoto University, + and John Beck of Sun Microsystems. + In low-disk space situations, where sendmail would previously refuse + connections, still accept them, but only allow ETRN commands. + Suggested by Mathias Koerber of Singapore Telecommunications + Ltd. + The [IPC] builtin mailer now allows delivery to a UNIX domain socket + on systems which support them. This can be used with LMTP + local delivery agents which listen on a named socket. An + example mailer might be: + Mexecmail, P=[IPC], F=lsDFMmnqSXzA5@/:|, E=\r\n, + S=10, R=20/40, T=DNS/RFC822/X-Unix, + A=FILE /var/run/lmtpd + Code contributed by Lyndon Nerenberg of Messaging Direct. + The [TCP] builtin mailer name is now deprecated. Use [IPC] + instead. + The first mailer argument in the [IPC] mailer is now checked for a + legitimate value. Possible values are TCP (for TCP/IP + connections), IPC (which will be deprecated in a future + version), and FILE (for UNIX domain socket delivery). + PrivacyOptions=goaway no longer includes the noetrn and the noreceipts + flags. + PrivacyOptions=nobodyreturn instructs sendmail not to include the + body of the original message on delivery status + notifications. + Don't announce DSN if PrivacyOptions=noreceipts is set. Problem noted + by Dan Bernstein, fix from Robert Harker of Harker Systems. + Accept the SMTP RSET command even when rejecting commands due to TCP + Wrappers or the check_relay ruleset. Problem noted by + Steve Schweinhart of America Online. + Warn if OperatorChars is set multiple times. OperatorChars should + not be set after rulesets are defined. Suggested by + Mitchell Blank Jr of Exec-PC. + Do not report temporary failure on delivery to files. In + interactive delivery mode, this would result in two SMTP + responses after the DATA command. Problem noted by + Nik Conwell of Boston University. + Check file close when mailing to files. Problem noted by Nik + Conwell of Boston University. + Avoid a segmentation fault when using the LDAP map. Patch from + Curtis W. Hillegas of Princeton University. + Always bind to the LDAP server regardless of whether you are using + ldap_open() or ldap_init(). Fix from Raj Kunjithapadam of + @Home Network. + New ruleset trust_auth to determine whether a given AUTH= + parameter of the MAIL command should be trusted. See SMTP + AUTH, cf/README, and doc/op/op.ps. + Allow new named config file rules check_vrfy, check_expn, and + check_etrn for VRFY, EXPN, and ETRN commands, respectively, + similar to check_rcpt etc. + Introduce new macros ${rcpt_mailer}, ${rcpt_host}, ${rcpt_addr}, + ${mail_mailer}, ${mail_host}, ${mail_addr} that hold + the results of parsing the RCPT and MAIL arguments, i.e. + the resolved triplet from $#mailer $@host $:addr. + From Kari Hurtta of the Finnish Meteorological Institute. + New macro ${client_resolve} which holds the result of the resolve + call for ${client_name}: OK, FAIL, FORGED, TEMP. Proposed + by Kari Hurtta of the Finnish Meteorological Institute. + New macros ${dsn_notify}, ${dsn_envid}, and ${dsn_ret} that hold + the corresponding DSN parameter values. Proposed by + Mathias Herberts. + New macro ${msg_size} which holds the value of the SIZE= parameter, + i.e., usually the size of the message (in an ESMTP dialogue), + before the message has been collected, thereafter it holds + the message size as computed by sendmail (and can be used + in check_compat). + The macro ${deliveryMode} now specifies the current delivery mode + sendmail is using instead of the value of the DeliveryMode + option. + New macro ${ntries} holds the number of delivery attempts. + Drop explicit From: if same as what would be generated only if it is + a local address. From Motonori Nakamura of Kyoto University. + Write pid to file also if sendmail only processes the queue. + Proposed by Roy J. Mongiovi of Georgia Tech. + Log "low on disk space" only when necessary. + New macro ${load_avg} can be used to check the current load average. + Suggested by Scott Gifford of The Internet Ramp. + Return-Receipt-To: header implies DSN request if option RrtImpliesDsn + is set. + Flag -S for maps to specify the character which is substituted + for spaces (instead of the default given by O BlankSub). + Flag -D for maps: perform no lookup in deferred delivery mode. + This flag is set by default for the host map. Based on a + proposal from Ian MacPhedran of the University of Saskatchewan. + Open maps only on demand, not at startup. + Log warning about unsupported IP address families. + New option MaxHeadersLength allows to specify a maximum length + of the sum of all headers. This can be used to prevent + a denial-of-service attack. + New option MaxMimeHeaderLength which limits the size of MIME + headers and parameters within those headers. This option + is intended to protect mail user agents from buffer + overflow attacks. + Added option MaxAliasRecursion to specify the maximum depth of + alias recursion. + New flag F=6 for mailers to strip headers to seven bit. + Map type syslog to log the key via syslogd. + Entries in the alias file can be continued by putting a backslash + directly before the newline. + New option DeadLetterDrop to define the location of the system-wide + dead.letter file, formerly hardcoded to + /usr/tmp/dead.letter. If this option is not set (the + default), sendmail will not attempt to save to a + system-wide dead.letter file if it can not bounce the mail + to the user nor postmaster. Instead, it will rename the qf + file as it has in the past when the dead.letter file + could not be opened. + New option PidFile to define the location of the pid file. The + value of this option is macro expanded. + New option ProcessTitlePrefix specifies a prefix string for the + process title shown in 'ps' listings. + New macros for use with the PidFile and ProcessTitlePrefix options + (along with the already existing macros): + ${daemon_info} Daemon information, e.g. + SMTP+queueing@00:30:00 + ${daemon_addr} Daemon address, e.g., 0.0.0.0 + ${daemon_family} Daemon family, e.g., inet, inet6, etc. + ${daemon_name} Daemon name, e.g., MSA. + ${daemon_port} Daemon port, e.g., 25 + ${queue_interval} Queue run interval, e.g., 00:30:00 + New macros especially for virtual hosting: + ${if_name} hostname of interface of incoming connection. + ${if_addr} address of interface of incoming connection. + The latter is only set if the interface does not belong to the + loopback net. + If a message being accepted via a method other than SMTP and + would be rejected by a header check, do not send the message. + Suggested by Phil Homewood of Mincom Pty Ltd. + Don't strip comments for header checks if $>+ is used instead of $>. + Provide header value as quoted string in the macro + ${currHeader} (possibly truncated to MAXNAME). Suggested by + Jan Krueger of Unix-AG of University of Hannover. + The length of the header value is stored in ${hdrlen}. + H*: allows to specify a default ruleset for header checks. This + ruleset will only be called if the individual header does + not have its own ruleset assigned. Suggested by Jan + Krueger of Unix-AG of University of Hannover. + The name of the header field stored in ${hdr_name}. + Comments (i.e., text within parentheses) in rulesets are not + removed if the config file version is greater than or equal + to 9. For example, "R$+ ( 1 ) $@ 1" matches the + input "token (1)" but does not match "token". + Avoid removing the Content-Transfer-Encoding MIME header on + MIME messages. Problem noted by Sigurbjorn B. Larusson of + Multimedia Consumer Services. Fix from Per Hedeland of + Ericsson. + Avoid duplicate Content-Transfer-Encoding MIME header on + messages with 8-bit text in headers. Problem noted by + Per Steinar Iversen of Oslo College. Fix from Per Hedeland + of Ericsson. + Avoid keeping maps locked longer than necessary when re-opening a + modified database map file. Problem noted by Chris Adams + of Renaissance Internet Services. + Resolving to the $#error mailer with a temporary failure code (e.g., + $#error $@ tempfail $: "400 Temporary failure") will now + queue up the message instead of bouncing it. + Be more liberal in acceptable responses to an SMTP RSET command as + standard does not provide any indication of what to do when + something other than 250 is received. Based on a patch + from Steve Schweinhart of America Online. + New option TrustedUser allows to specify a user who can own + important files instead of root. This requires HASFCHOWN. + Fix USERDB conditional so compiling with NEWDB or HESIOD and + setting USERDB=0 works. Fix from Jorg Zanger of Schock. + Fix another instance (similar to one in 8.9.3) of a network failure + being mis-logged as "Illegal Seek" instead of whatever + really went wrong. From John Beck of Sun Microsystems. + $? tests also whether the macro is non-null. + Print an error message if a mailer definition contains an invalid + equate name. + New mailer equate /= to specify a directory to chroot() into before + executing the mailer program. Suggested by Igor Vinokurov. + New mailer equate W= to specify the maximum time to wait for the + mailer to return after sending all data to it. + Only free memory from the process list when adding a new process + into a previously filled slot. Previously, the memory was + freed at removal time. Since removal can happen in a + signal handler, this may leave the memory map in an + inconsistent state. Problem noted by Jeff A. Earickson and + David Cooley of Colby College. + When using the UserDB @hostname catch-all, do not try to lookup + local users in the passwd file. The UserDB code has + already decided the message will be passed to another host + for processing. Fix from Tony Landells of Burdett + Buckeridge Young Limited. + Support LDAP authorization via either a file containing the + password or Kerberos V4 using the new map options + '-ddistinguished_name', '-Mmethod', and '-Pfilename'. The + distinguished_name is who to login as. The method can be + one of LDAP_AUTH_NONE, LDAP_AUTH_SIMPLE, or + LDAP_AUTH_KRBV4. The filename is the file containing the + secret key for LDAP_AUTH_SIMPLE or the name of the Kerberos + ticket file for LDAP_AUTH_KRBV4. Patch from Booker Bense + of Stanford University. + The ldapx map has been renamed to ldap. The use of ldapx is + deprecated and will be removed in a future version. + If the result of an LDAP search returns a multi-valued attribute + and the map has the column delimiter set, it turns that + response into a delimiter separated string. The LDAP map + will traverse multiple entries as well. LDAP alias maps + automatically set the column delimiter to the comma. + Based on patch from Booker Bense of Stanford University and + idea from Philip A. Prindeville of Mirapoint, Inc. + Support return of multiple values for a single LDAP lookup. The + values to be returned should be in a comma separated string. + For example, `-v "email,emailother"'. Patch from + Curtis W. Hillegas of Princeton University. + Allow the use of LDAP for alias maps. + If no LDAP attributes are specified in an LDAP map declaration, all + attributes found in the match will be returned. + Prevent commas in quoted strings in the AliasFile value from + breaking up a single entry into multiple entries. This is + needed for LDAP alias file specifications to allow for + comma separated key and value strings. + Keep connections to LDAP server open instead of opening and closing + for each lookup. To reduce overhead, sendmail will cache + connections such that multiple maps which use the same + host, port, bind DN, and authentication will only result in + a single connection to that host. + Put timeout in the proper place for USE_LDAP_INIT. + Be more careful about checking for errors and freeing memory on + LDAP lookups. + Use asynchronous LDAP searches to save memory and network + resources. + Do not copy LDAP query results if the map's match only flag is set. + Increase portability to the Netscape LDAP libraries. + Change the parsing of the LDAP filter specification. '%s' is still + replaced with the literal contents of the map lookup key -- + note that this means a lookup can be done using the LDAP + special characters. The new '%0' token can be used instead + of '%s' to encode the key buffer according to RFC 2254. + For example, if the LDAP map specification contains '-k + "(user=%s)"' and a lookup is done on "*", this would be + equivalent to '-k "(user=*)"' -- matching ANY record with a + user attribute. Instead, if the LDAP map specification + contains '-k "(user=%0)"' and a lookup is done on "*", this + would be equivalent to '-k "(user=\2A)"' -- matching a user + with the name "*". + New LDAP map flags: "-1" requires a single match to be returned, if + more than one is returned, it is equivalent to no records + being found; "-r never|always|search|find" sets the LDAP + alias dereference option; "-Z size" limits the number of + matches to return. + New option LDAPDefaultSpec allows a default map specification for + LDAP maps. The value should only contain LDAP specific + settings such as "-h host -p port -d bindDN", etc. The + settings will be used for all LDAP maps unless they are + specified in the individual map specification ('K' + command). This option should be set before any LDAP maps + are defined. + Prevent an NDBM alias file opening loop when the NDBM open + continually fails. Fix from Roy J. Mongiovi of Georgia + Tech. + Reduce memory utilization for smaller symbol table entries. In + particular, class entries get much smaller, which can be + important if you have large classes. + On network-related temporary failures, record the hostname which + gave error in the queued status message. Requested by + Ulrich Windl of the Universitat Regensburg. + Add new F=% mailer flag to allow for a store and forward + configuration. Mailers which have this flag will not attempt + delivery on initial receipt of a message or on queue runs + unless the queued message is selected using one of the + -qI/-qR/-qS queue run modifiers or an ETRN request. Code + provided by Philip Guenther of Gustavus Adolphus College. + New option ControlSocketName which, when set, creates a daemon + control socket. This socket allows an external program to + control and query status from the running sendmail daemon + via a named socket, similar to the ctlinnd interface to the + INN news server. Access to this interface is controlled by + the UNIX file permissions on the named socket on most UNIX + systems (see sendmail/README for more information). An + example control program is provided as contrib/smcontrol.pl. + Change the default values of QueueLA from 8 to (8 * numproc) and + RefuseLA from 12 to (12 * numproc) where numproc is the + number of processors online on the system (if that can be + determined). For single processor machines, this change + has no effect. + Don't return body of message to postmaster on "Too many hops" bounces. + Based on fix from Motonori Nakamura of Kyoto University. + Give more detailed DSN descriptions for some cases. Patch from + Motonori Nakamura of Kyoto University. + Logging of alias, forward file, and UserDB expansion now happens + at LogLevel 11 or higher instead of 10 or higher. + Logging of an envelope's complete delivery (the "done" message) now + happens at LogLevel 10 or higher instead of 11 or higher. + Logging of TCP/IP or UNIX standard input connections now happens at + LogLevel 10 or higher. Previously, only TCP/IP connections + were logged, and on at LogLevel 12 or higher. Setting + LogLevel to 10 will now assist users in tracking frequent + connection-based denial of service attacks. + Log basic information about authenticated connections at LogLevel + 10 or higher. + Log SMTP Authentication mechanism and author when logging the sender + information (from= syslog line). + Log the DSN code for each recipient if one is available as a new + equate (dsn=). + Macro expand PostmasterCopy and DoubleBounceAddress options. + New "ph" map for performing ph queries in rulesets, see + sendmail/README for details. Contributed by Mark Roth + of the University of Illinois at Urbana-Champaign. + Detect temporary lookup failures in the host map if looking up a + bracketed IP address. Problem noted by Kari Hurtta of the + Finnish Meteorological Institute. + Do not report a Remote-MTA on local deliveries. Problem noted by + Kari Hurtta of the Finnish Meteorological Institute. + When a forward file points to an alias which runs a program, run + the program as the default user and the default group, not + the forward file user. This change also assures the + :include: directives in aliases are also processed using + the default user and group. Problem noted by Sergiu + Popovici of DNT Romania. + Prevent attempts to save a dead.letter file for a user with + no home directory (/no/such/directory). Problem noted by + Michael Brown of Finnigan FT/MS. + Include message delay and number of tries when logging that a + message has been completely delivered (LogLevel of 10 or + above). Suggested by Nick Hilliard of Ireland Online. + Log the sender of a message even if none of the recipients were + accepted. If some of the recipients were rejected, it is + helpful to know the sender of the message. + Check the root directory (/) when checking a path for safety. + Problem noted by John Beck of Sun Microsystems. + Prevent multiple responses to the DATA command if DeliveryMode is + interactive and delivering to an alias which resolves to + multiple files. + Macros in the helpfile are expanded if the helpfile version is 2 or + greater (see below); the help function doesn't print the + version of sendmail any longer, instead it is placed in + the helpfile ($v). Suggested by Chuck Foster of UUNET + PIPEX. Additionally, comment lines (starting with #) are + skipped and a version line (#vers) is introduced. The + helpfile version for 8.10.0 is 2, if no version or an older + version is found, a warning is logged. The '#vers' + directive should be placed at the top of the help file. + Use fsync() when delivering to a file to guarantee the delivery to + disk succeeded. Suggested by Nick Christenson. + If delivery to a file is unsuccessful, truncate the file back to its + length before the attempt. + If a forward points to a filename for delivery, change to the + user's uid before checking permissions on the file. This + allows delivery to files on NFS mounted directories where + root is remapped to nobody. Problem noted by Harald + Daeubler of Universitaet Ulm. + purgestat and sendmail -bH purge only expired (Timeout.hoststatus) + host status files, not all files. + Any macros stored in the class $={persistentMacros} will be saved + in the queue file for the message and set when delivery + is attempted on the queued item. Suggested by Kyle Jones of + Wonderworks Inc. + Add support for storing information between rulesets using the new + macro map class. This can be used to store information + between queue runs as well using $={persistentMacros}. + Based on an idea from Jan Krueger of Unix-AG of University + of Hannover. + New map class arith to allow for computations in rules. The + operation (+, -, *, /, l (for less than), and =) is given + as key. The two operands are specified as arguments; the + lookup returns the result of the computation. For example, + "$(arith l $@ 4 $@ 2 $)" will return "FALSE" and + "$(arith + $@ 4 $@ 2 $)" will return "6". + Add new syntax for header declarations which decide whether to + include the header based on a macro rather than a mailer + flag: + H?${MyMacro}?X-My-Header: ${MyMacro} + This should be used along with $={persistentMacros}. + It can be used for adding headers to a message based on + the results of check_* and header check rulesets. + Allow new named config file rule check_eoh which is called after + all of the headers have been collected. The input to the + ruleset the number of headers and the size of all of the + headers in bytes separated by $|. This ruleset along with + the macro storage map can be used to correlate information + gathered between headers and to check for missing headers. + See cf/README or doc/op/op.ps for an example. + Change the default for the MeToo option to True to correspond + to the clarification in the DRUMS SMTP Update spec. This + option is deprecated and will be removed from a future + version. + Change the sendmail binary default for SendMimeErrors to True. + Change the sendmail binary default for SuperSafe to True. + Display ruleset names in debug and address test mode output + if referencing a named ruleset. + New mailer equate m= which will limit the number of messages + delivered per connection on an SMTP or LMTP mailer. + Improve QueueSortOrder=Host by reversing the hostname before + using it to sort. Now all the same domains are really run + through the queue together. If they have the same MX host, + then they will have a much better opportunity to use the + connection cache if available. This should be a reasonable + performance improvement. Patch from Randall Winchester of + the University of Maryland. + If a message is rejected by a header check ruleset, log who would + have received the message if it had not been rejected. + New "now" value for Timeout.queuereturn to bounce entries from the + queue immediately. No delivery attempt is made. + Increase sleeping time exponentially after too many "bad" commands + up to 4 minutes delay (compare MAX{BAD,NOOP,HELO,VRFY,ETRN}- + COMMANDS). + New option ClientPortOptions similar to DaemonPortOptions + but for outgoing connections. + New suboptions for DaemonPortOptions: Name (a name used for + error messages and logging) and Modifiers, i.e. + a require authentication + b bind to interface through which mail has + been received + c perform hostname canonification + f require fully qualified hostname + h use name of interface for outgoing HELO + command + C don't perform hostname canonification + E disallow ETRN (see RFC 2476) + New suboption for ClientPortOptions: Modifiers, i.e. + h use name of interface for HELO command + The version number for queue files (qf) has been incremented to 4. + Log unacceptable HELO/EHLO domain name attempts if LogLevel is set + to 10 or higher. Suggested by Rick Troxel of the National + Institutes of Health. + If a mailer dies, print the status in decimal instead of octal + format. Suggested by Michael Shapiro of Sun Microsystems. + Limit the length of all MX records considered for delivery to 8k. + Move message priority from sender to recipient logging. Suggested by + Ulrich Windl of the Universitat Regensburg. + Add support for Berkeley DB 3.X. + Add fix for Berkeley DB 2.X fcntl() locking race condition. + Requires a post-2.7.5 version of Berkeley DB. + Support writing traffic log (sendmail -X option) to a FIFO. + Patch submitted by Rick Heaton of Network Associates, Inc. + Do not ignore Timeout settings in the .cf file when a Timeout + sub-options is set on the command line. Problem noted by + Graeme Hewson of Oracle. + Randomize equal preference MX records each time delivery is + attempted via a new connection to a host instead of once per + session. Suggested by Scott Salvidio of Compaq. + Implement enhanced status codes as defined by RFC 2034. + Add [hostname] to class w for the names of all interfaces unless + DontProbeInterfaces is set. This is useful for sending mails + to hosts which have dynamically assigned names. + If a message is bounced due to bad MIME conformance, avoid bouncing + the bounce for the same reason. If the body is not 8-bit + clean, and EightBitMode isn't set to pass8, the body will + not be included in the bounce. Problem noted by Valdis + Kletnieks of Virginia Tech. + The timeout for sending a message via SMTP has been changed from + '${msgsize} / 16 + (${nrcpts} * 300)' to a timeout which + simply checks for progress on sending data every 5 minutes. + This will detect the inability to send information quicker + and reduce the number of processes simply waiting to + timeout. + Prevent a segmentation fault on systems which give a partial filled + interface address structure when loading the system network + interface addresses. Fix from Reinier Bezuidenhout of + Nanoteq. + Add a compile-time configuration macro, MAXINTERFACES, which + indicates the number of interfaces to read when probing + for hostnames and IP addresses for class w ($=w). The + default value is 512. Based on idea from Reinier + Bezuidenhout of Nanoteq. + If the RefuseLA option is set to 0, do not reject connections based + on load average. + Allow ruleset 0 to have a name. Problem noted by Neil Rickert of + Northern Illinois University. + Expand the Return-Path: header at delivery time, after "owner-" + envelope splitting has occurred. + Don't try to sort the queue if there are no entries. Patch from + Luke Mewburn from RMIT University. + Add a "/quit" command to address test mode. + Include the proper sender in the UNIX "From " line and Return-Path: + header when undeliverable mail is saved to ~/dead.letter. + Problem noted by Kari Hurtta of the Finnish Meteorological + Institute. + The contents of a class can now be copied to another class using + the syntax: "C{Dest} $={Source}". This would copy all of + the items in class $={Source} into the class $={Dest}. + Include original envelope's error transcript in bounces created for + split (owner-) envelopes to see the original errors when + the recipients were added. Based on fix from Motonori + Nakamura of Kyoto University. + Show reason for permanent delivery errors directly after the + addresses. From Motonori Nakamura of Kyoto University. + Prevent a segmentation fault when bouncing a split-envelope + message. Patch from Motonori Nakamura of Kyoto University. + If the specification for the queue run interval (-q###) has a + syntax error, consider the error fatal and exit. + Pay attention to CheckpointInterval during LMTP delivery. Problem + noted by Motonori Nakamura of Kyoto University. + On operating systems which have setlogin(2), use it to set the + login name to the RunAsUserName when starting as a daemon. + This is for delivery to programs which use getlogin(). + Based on fix from Motonori Nakamura of Kyoto University. + Differentiate between "command not implemented" and "command + unrecognized" in the SMTP dialogue. + Strip returns from forward and include files. Problem noted by + Allan E Johannesen of Worcester Polytechnic Institute. + Prevent a core dump when using 'sendmail -bv' on an address which + resolves to the $#error mailer with a temporary failure. + Based on fix from Neil Rickert of Northern Illinois + University. + Prevent multiple deliveries of a message with a "non-local alias" + pointing to a local user, if canonicalization fails + the message was requeued *and* delivered to the alias. + If an invalid ruleset is declared, the ruleset name could be + ignored and its rules added to S0. Instead, ignore the + ruleset lines as well. + Avoid incorrect Final-Recipient, Action, and X-Actual-Recipient + success DSN fields as well as duplicate entries for a + single address due to S5 and UserDB processing. Problems + noted by Kari Hurtta of the Finnish Meteorological + Institute. + Turn off timeouts when exiting sendmail due to an interrupt signal + to prevent the timeout from firing during the exit process. + Problem noted by Michael Shapiro of Sun Microsystems. + Do not append @MyHostName to non-RFC822 addresses output by the EXPN + command or on Final-Recipient: and X-Actual-Recipient: DSN + headers. Non-RFC822 addresses include deliveries to + programs, file, DECnet, etc. + Fix logic for determining if a local user is using -f or -bs to + spoof their return address. Based on idea from Neil Rickert + of Northern Illinois University and patch from Per Hedeland + of Ericsson. + Report the proper UID in the bounce message if an :include: file is + owned by a uid that doesn't map to a username and the + :include: file contains delivery to a file or program. + Problem noted by John Beck of Sun Microsystems. + Avoid the attempt of trying to send a second SMTP QUIT command if + the remote server responds to the first QUIT with a 4xx + response code and drops the connection. This behavior was + noted by Ulrich Windl of the Universitat Regensburg when + sendmail was talking to the Mercury 1.43 MTA. + If a hostname lookup times out and ServiceSwitchFile is set but the + file is not present, the lookup failure would be marked as + a permanent failure instead of a temporary failure. Fix + from Russell King of the ARM Linux Project. + Handle aliases or forwards which deliver to programs using tabs + instead of spaces between arguments. Problem noted by Randy + Wormser. Fix from Neil Rickert of Northern Illinois + University. + Allow MaxRecipientsPerMessage option to be set on the command line + by normal users (e.g., sendmail won't drop its root + privileges) to allow overrides for message submission via + 'sendmail -bs'. + Set the names for help file and statistics file to "helpfile" and + "statistics", respectively, if no parameters are given for + them in the .cf file. + Avoid bogus 'errbody: I/O Error -7' log messages when sending + success DSN messages for messages relayed to non-DSN aware + systems. Problem noted by Juergen Georgi of RUS University + of Stuttgart and Kyle Tucker of Parexel International. + Prevent +detail information from interfering with local delivery to + multiple users in the same transaction (F=m). + Add H_FORCE flag for the X-Authentication-Warning: header, so it + will be added even if one already exists. Problem noted + by Michal Zalewski of Marchew Industries. + Stop processing SMTP commands if the SMTP connection is dropped. + This prevents a remote system from flooding the connection + with commands and then disconnecting. Previously, the + server would process all of the buffered commands. Problem + noted by Michal Zalewski of Marchew Industries. + Properly process user-supplied headers beginning with '?'. Problem + noted by Michal Zalewski of Marchew Industries. + If multiple header checks resolve to the $#error mailer, use the + last permanent (5XX) failure if any exist. Otherwise, use + the last temporary (4XX) failure. + RFC 1891 requires "hexchar" in a "xtext" to be upper case. Patch + from Ronald F. Guilmette of Infinite Monkeys & Co. + Timeout.ident now defaults to 5 seconds instead of 30 seconds to + prevent the now common delays associated with mailing to a + site which drops IDENT packets. Suggested by many. + Persistent host status data is not reloaded disk when current data + is available in the in-memory cache. Problem noted by Per + Hedeland of Ericsson. + mailq displays unprintable characters in addresses as their octal + representation and a leading backslash. This avoids problems + with "unprintable" characters. Problem noted by Michal + Zalewski of the "Internet for Schools" project (IdS). + The mail line length limit (L= equate) was adding the '!' indicator + one character past the limit. This would cause subsequent + hops to break the line again. The '!' is now placed in + the last column of the limit if the line needs to be broken. + Problem noted by Joe Pruett of Q7 Enterprises. Based on fix + from Per Hedeland of Ericsson. + If a resolver ANY query is larger than the UDP packet size, the + resolver will fall back to TCP. However, some + misconfigured firewalls black 53/TCP so the ANY lookup + fails whereas an MX or A record might succeed. Therefore, + don't fail on ANY queries. + If an SMTP recipient is rejected due to syntax errors in the + address, do not send an empty postmaster notification DSN + to the postmaster. Problem noted by Neil Rickert of + Northern Illinois University. + Allow '_' and '.' in map names when parsing a sequence map + specification. Patch from William Setzer of North Carolina + State University. + Fix hostname in logging of read timeouts for the QUIT command on + cached connections. Problem noted by Neil Rickert of + Northern Illinois University. + Use a more descriptive entry to log "null" connections, i.e., + "host did not issue MAIL/EXPN/VRFY/ETRN during connection". + Fix a file descriptor leak in ONEX mode. + Portability: + Reverse signal handling logic such that sigaction(2) with + the SA_RESTART flag is the preferred method and the + other signal methods are only tried if SA_RESTART + is not available. Problem noted by Allan E + Johannesen of Worcester Polytechnic Institute. + AIX 4.x supports the sa_len member of struct sockaddr. + This allows network interface probing to work + properly. Fix from David Bronder of the + University of Iowa. + AIX 4.3 has snprintf() support. + Use "PPC" as the architecture name when building under + AIX. This will be reflected in the obj.* directory + name. + Apple Darwin support based on Apple Rhapsody port. + Fixed AIX 'make depend' method from Valdis Kletnieks of + Virginia Tech. + Digital UNIX has uname(2). + GNU Hurd updates from Mark Kettenis of the University of + Amsterdam. + Improved HPUX 11.0 portability. + Properly determine the number of CPUs on FreeBSD 2.X, + FreeBSD 3.X, HP/UX 10.X and HP/UX 11.X. + Remove special IRIX ABI cases from Build script and the OS + files. Use the standard 'cc' options used by SGI + in building the operating system. Users can + override the defaults by setting confCC and + confLIBSEARCHPATH appropriately. + IRIX nsd map support from Bob Mende of SGI. + Minor devtools fixes for IRIX from Bob Mende of SGI. + Linux patch for IP_SRCROUTE support from Joerg Dorchain + of MW EDV & ELECTRONIC. + Linux now uses /usr/sbin for confEBINDIR in the build + system. From MATSUURA Takanori of Osaka University. + Remove special treatment for Linux PPC in the build + system. From MATSUURA Takanori of Osaka University. + Motorolla UNIX SYSTEM V/88 Release 4.0 support from + Sergey Rusanov of the Republic of Udmurtia. + NCR MP-RAS 3.x includes regular expression support. From + Tom J. Moore of NCR. + NEC EWS-UX/V series settings for _PATH_VENDOR_CF and + _PATH_SENDMAILPID from Oota Toshiya of + NEC Computers Group Planning Division. + Minor NetBSD owner/group tweaks from Ayamura Kikuchi, M.D. + NEWS-OS 6.X listed SYSLOG_BUFSIZE as 256 in confENVDEF and + 1024 in conf.h. Since confENVDEF would be used, + use that value in conf.h. + Use NeXT's NETINFO to get domain name. From Gerd Knops of + BITart Consulting. + Use NeXT's NETINFO for alias and hostname resolution if + AUTO_NETINFO_ALIASES and AUTO_NETINFO_HOSTS are + defined. Patch from Wilfredo Sanchez of Apple + Computer, Inc. + NeXT portability tweaks. Problems reported by Dragan + Milicic of the University of Utah and J. P. McCann + of E I A. + New compile flag FAST_PID_RECYCLE: set this if your system + can reuse the same PID in the same second. + New compile flag HASFCHOWN: set this if your OS has + fchown(2). + New compile flag HASRANDOM: set this to 0 if your OS does + not have random(3). rand() will be used instead. + New compile flag HASSRANDOMDEV: set this if your OS has + srandomdev(3). + New compile flag HASSETLOGIN: set this if your OS has + setlogin(2). + Replace SINIX and ReliantUNIX support with version + specific SINIX files. From Gerald Rinske of + Siemens Business Services. + Use the 60-second load average instead of the 5 second load + average on Compaq Tru64 UNIX (formerly Digital + UNIX). From Chris Teakle of the University of Qld. + Use ANSI C by default for Compaq Tru64 UNIX. Suggested by + Randall Winchester of Swales Aerospace. + Correct setgroups() prototype for Compaq Tru64 UNIX. + Problem noted by Randall Winchester of Swales + Aerospace. + Hitachi 3050R/3050RX and 3500 Workstations running + HI-UX/WE2 4.02, 6.10 and 7.10 from Motonori + NAKAMURA of Kyoto University. + New compile flag NO_GETSERVBYNAME: set this to disable + use of getservbyname() on systems which can + not lookup a service by name over NIS, such as + HI-UX. Patch from Motonori NAKAMURA of Kyoto + University. + Use devtools/bin/install.sh on SCO 5.x. Problem noted + by Sun Wenbing of the China Engineering and + Technology Information Network. + make depend didn't work properly on UNIXWARE 4.2. Problem + noted by Ariel Malik of Netology, Ltd. + Use /usr/lbin as confEBINDIR for Compaq Tru64 (Digital UNIX). + Set confSTDIO_TYPE to torek for BSD-OS, FreeBSD, NetBSD, + and OpenBSD. + A recent Compaq Ultrix 4.5 Y2K patch has broken detection + of local_hostname_length(). See sendmail/README + for more details. Problem noted by Allan E + Johannesen of Worcester Polytechnic Institute. + CONFIG: Begin using /etc/mail/ for sendmail related files. This + affects a large number of files. See cf/README for more + details. + CONFIG: New macro MAIL_SETTINGS_DIR contains the path (including + trailing slash) for the mail settings directory. + CONFIG: Increment version number of config file to 9. + CONFIG: OSTYPE(`bsdi1.0') and OSTYPE(`bsdi2.0') have been + deprecated and may be removed from a future release. + BSD/OS users should begin using OSTYPE(`bsdi'). + CONFIG: OpenBSD 2.4 installs mail.local non-set-user-ID root. This + requires a new OSTYPE(`openbsd'). From Todd C. Miller of + Courtesan Consulting. + CONFIG: New OSTYPE(`hpux11') for HP/UX 11.X. + CONFIG: A syntax error in check_mail would cause fake top-level + domains (.BITNET, .DECNET, .FAX, .USENET, and .UUCP) to + be improperly rejected as unresolvable. + CONFIG: New FEATURE(`dnsbl') takes up to two arguments (name of + DNS server, rejection message) and can be included + multiple times. + CONFIG: New FEATURE(`relay_mail_from') allows relaying if the + mail sender is listed as RELAY in the access map (and tagged + with From:). + CONFIG: Optional tagging of LHS in the access map (Connect:, + From:, To:) to enable finer control. + CONFIG: New FEATURE(`ldap_routing') implements LDAP address + routing. See cf/README for a complete description of the + new functionality. + CONFIG: New variables for the new sendmail options: + confAUTH_MECHANISMS AuthMechanisms + confAUTH_OPTIONS AuthOptions + confCLIENT_OPTIONS ClientPortOptions + confCONTROL_SOCKET_NAME ControlSocketName + confDEAD_LETTER_DROP DeadLetterDrop + confDEF_AUTH_INFO DefaultAuthInfo + confDF_BUFFER_SIZE DataFileBufferSize + confLDAP_DEFAULT_SPEC LDAPDefaultSpec + confMAX_ALIAS_RECURSION MaxAliasRecursion + confMAX_HEADERS_LENGTH MaxHeadersLength + confMAX_MIME_HEADER_LENGTH MaxMimeHeaderLength + confPID_FILE PidFile + confPROCESS_TITLE_PREFIX ProcessTitlePrefix + confRRT_IMPLIES_DSN RrtImpliesDsn + confTO_CONTROL Timeout.control + confTO_RESOLVER_RETRANS Timeout.resolver.retrans + confTO_RESOLVER_RETRANS_FIRST Timeout.resolver.retrans.first + confTO_RESOLVER_RETRANS_NORMAL Timeout.resolver.retrans.normal + confTO_RESOLVER_RETRY Timeout.resolver.retry + confTO_RESOLVER_RETRY_FIRST Timeout.resolver.retry.first + confTO_RESOLVER_RETRY_NORMAL Timeout.resolver.retry.normal + confTRUSTED_USER TrustedUser + confXF_BUFFER_SIZE XscriptFileBufferSize + CONFIG: confDAEMON_OPTIONS has been replaced by DAEMON_OPTIONS(), + which takes the options as argument and can be used + multiple times; see cf/README for details. + CONFIG: Add a fifth mailer definition to MAILER(`smtp') called + "dsmtp". This mail provides on-demand delivery using the + F=% mailer flag described above. The "dsmtp" mailer + definition uses the new DSMTP_MAILER_ARGS which defaults + to "IPC $h". + CONFIG: New variables LOCAL_MAILER_MAXMSGS, SMTP_MAILER_MAXMSGS, + and RELAY_MAILER_MAXMSGS for setting the m= equate for the + local, smtp, and relay mailers respectively. + CONFIG: New variable LOCAL_MAILER_DSN_DIAGNOSTIC_CODE for setting + the DSN Diagnostic-Code type for the local mailer. The + value should be changed with care. + CONFIG: FEATURE(`local_lmtp') now sets the DSN Diagnostic-Code type + for the local mailer to the proper value of "SMTP". + CONFIG: All included maps are no longer optional by default; if + there there is a problem with a map, sendmail will + complain. + CONFIG: Removed root from class E; use EXPOSED_USER(`root') + to get the old behavior. Suggested by Joe Pruett + of Q7 Enterprises. + CONFIG: MASQUERADE_EXCEPTION() defines hosts/subdomains which + will not be masqueraded. Proposed by Arne Wichmann + of MPI Saarbruecken, Griff Miller of PGS Tensor, + Jayme Cox of Broderbund Software Inc. + CONFIG: A list of exceptions for FEATURE(`nocanonify') can be + specified by CANONIFY_DOMAIN or CANONIFY_DOMAIN_FILE, + i.e., a list of domains which are passed to $[ ... $] + for canonification. Based on an idea from Neil Rickert + of Northern Illinois University. + CONFIG: If `canonify_hosts' is specified as parameter for + FEATURE(`nocanonify') then addresses which have only + a hostname, e.g., , will be canonified. + CONFIG: If FEATURE(`nocanonify') is turned on, a trailing dot is + nevertheless added to addresses with more than one component + in it. + CONFIG: Canonification is no longer attempted for any host or domain + in class 'P' ($=P). + CONFIG: New class for matching virtusertable entries $={VirtHost} that + can be populated by VIRTUSER_DOMAIN or VIRTUSER_DOMAIN_FILE. + FEATURE(`virtuser_entire_domain') can be used to apply this + class also to entire subdomains. Hosts in this class are + treated as canonical in SCanonify2, i.e., a trailing dot + is added. + CONFIG: If VIRTUSER_DOMAIN() or VIRTUSER_DOMAIN_FILE() are used, + include $={VirtHost} in $=R (hosts allowed to relay). + CONFIG: FEATURE(`generics_entire_domain') can be used to apply the + genericstable also to subdomains of $=G. + CONFIG: Pass "+detail" as %2 for virtusertable lookups. + Patch from Noam Freedman from University of Chicago. + CONFIG: Pass "+detail" as %1 for genericstable lookups. Suggested + by Raymond S Brand of rsbx.net. + CONFIG: Allow @domain in genericstable to override masquerading. + Suggested by Owen Duffy from Owen Duffy & Associates. + CONFIG: LOCAL_DOMAIN() adds entries to class w. Suggested by Steve + Hubert of University of Washington. + CONFIG: OSTYPE(`gnuhurd') has been replaced by OSTYPE(`gnu') as + GNU is now the canonical system name. From Mark + Kettenis of the University of Amsterdam. + CONFIG: OSTYPE(`unixware7') updates from Larry Rosenman. + CONFIG: Do not include '=' in option expansion if there is no value + associated with the option. From Andrew Brown of + Graffiti World Wide, Inc. + CONFIG: Add MAILER(`qpage') to define a new pager mailer. Contributed + by Philip A. Prindeville of Enteka Enterprise Technology + Services. + CONFIG: MAILER(`cyrus') was not preserving case for mail folder + names. Problem noted by Randall Winchester of Swales + Aerospace. + CONFIG: RELAY_MAILER_FLAGS can be used to define additional flags + for the relay mailer. Suggested by Doug Hughes of Auburn + University and Brian Candler. + CONFIG: LOCAL_MAILER_FLAGS now includes 'P' (Add Return-Path: + header) by default. Suggested by Per Hedeland of Ericsson. + CONFIG: Use SMART_HOST for bracketed addresses, e.g., user@[host]. + Suggested by Kari Hurtta of the Finnish Meteorological + Institute. + CONFIG: New macro MODIFY_MAILER_FLAGS to tweak *_MAILER_FLAGS; + i.e., to set, add, or delete flags. + CONFIG: If SMTP AUTH is used then relaying is allowed for any user + who authenticated via a "trusted" mechanism, i.e., one that + is defined via TRUST_AUTH_MECH(`list of mechanisms'). + CONFIG: FEATURE(`delay_checks') delays check_mail and check_relay + after check_rcpt and allows for exceptions from the checks. + CONFIG: Map declarations have been moved into their associated + feature files to allow greater flexibility in use of + sequence maps. Suggested by Per Hedeland of Ericsson. + CONFIG: New macro LOCAL_MAILER_EOL to override the default end of + line string for the local mailer. Requested by Il Oh of + Willamette Industries, Inc. + CONFIG: Route addresses are stripped, i.e., <@a,@b,@c:user@d> is + converted to + CONFIG: Reject bogus return address of <@@hostname>, generated by + Sun's older, broken configuration files. + CONFIG: FEATURE(`nullclient') now provides the full rulesets of a + normal configuration, allowing anti-spam checks to be + performed. + CONFIG: Don't return a permanent error (Relaying denied) if + ${client_name} can't be resolved just temporarily. + Suggested by Kari Hurtta of the Finnish Meteorological + Institute. + CONFIG: Change numbered rulesets into named (which still can + be accessed by their numbers). + CONFIG: FEATURE(`nouucp') takes one parameter: reject or nospecial + which describes whether to disallow "!" in the local part + of an address. + CONFIG: Call Local_localaddr from localaddr (S5) which can be used + to rewrite an address from a mailer which has the F=5 flag + set. If the ruleset returns a mailer, the appropriate + action is taken, otherwise the returned tokens are ignored. + CONFIG: cf/ostype/solaris.m4 has been renamed to solaris2.pre5.m4 + and cf/ostype/solaris2.m4 is now a copy of solaris2.ml.m4. + The latter is kept around for backward compatibility. + CONFIG: Allow ":D.S.N:" for mailer/virtusertable "error:" entries, + where "D.S.N" is an RFC 1893 compliant error code. + CONFIG: Use /usr/lbin as confEBINDIR for Compaq Tru64 (Digital UNIX). + CONFIG: Remove second space between username and date in UNIX From_ + line. Noted by Allan E Johannesen of Worcester Polytechnic + Institute. + CONFIG: Make sure all of the mailers have complete T= equates. + CONFIG: Extend FEATURE(`local_procmail') so it can now take + arguments overriding the mailer program, arguments, and + mailer definition flags. This makes it possible to use + other programs such as maildrop for local delivery. + CONFIG: Emit warning if FEATURE(`local_lmtp') or + FEATURE(`local_procmail') is given after MAILER(`local'). + Patch from Richard A. Nelson of IBM. + CONFIG: Add SMTP Authentication information to Received: header + default value (confRECEIVED_HEADER). + CONFIG: Remove `l' flag from USENET_MAILER_FLAGS as it is not a + local mailer. Problem noted by Per Hedeland of Ericsson. + CONTRIB: Added bounce-resender.pl from Brian R. Gaeke of the + University of California at Berkeley. + CONTRIB: Added domainmap.m4 from Mark D. Roth of the University of + Illinois at Urbana-Champaign. + CONTRIB: etrn.pl now recognizes bogus host names. Patch from + Bruce Barnett of GE's R&D Lab. + CONTRIB: Patches for re-mqueue.pl by Graeme Hewson of Oracle + Corporation UK. + CONTRIB: Added qtool.pl to assist in managing the queues. + DEVTOOLS: Prevent user environment variables from interfering with + the Build scripts. Problem noted by Ezequiel H. Panepucci of + Yale University. + DEVTOOLS: 'Build -M' will display the obj.* directory which will + be used for building. + DEVTOOLS: 'Build -A' will display the architecture that would be + used for a fresh build. + DEVTOOLS: New variable confRANLIB, set automatically by configure.sh. + DEVTOOLS: New variable confRANLIBOPTS for the options to send to + ranlib. + DEVTOOLS: 'Build -O ' will have the object files build in + /obj.*. Suggested by Bryan Costales of Exactis. + DEVTOOLS: New variable confNO_MAN_BUILD which will prevent the + building of the man pages when defined. Suggested by Bryan + Costales. + DEVTOOLS: New variables confNO_HELPFILE_INSTALL and + confNO_STATISTICS_INSTALL which will prevent the + installation of the sendmail helpfile and statistics file + respectively. Suggested by Bryan Costales. + DEVTOOLS: Recognize ReliantUNIX as SINIX. Patch from Gerald Rinske + of Siemens Business Services. + DEVTOOLS: New variable confSTDIO_TYPE which defines the type of + stdio library. The new buffered file I/O depends on the + Torek stdio library. This option can be either portable or + torek. + DEVTOOLS: New variables confSRCADD and confSMSRCADD which + correspond to confOBJADD and confSMOBJADD respectively. + They should contain the C source files for the object files + listed in confOBJADD and confSMOBJADD. These file names + will be passed to the 'make depend' stage of compilation. + DEVTOOLS: New program specific variables for each of the programs + in the sendmail distribution. Each has the form + `conf_prog_ENVDEF', for example, `conf_sendmail_ENVDEF'. + The new variables are conf_prog_ENVDEF, conf_prog_LIBS, + conf_prog_SRCADD, and conf_prog_OBJADD. + DEVTOOLS: Build system redesign. This should have little affect on + building the distribution, but documentation on the changes + are in devtools/README. + DEVTOOLS: Don't allow 'Build -f file' if an object directory already + exists. Suggested by Valdis Kletnieks of Virginia Tech. + DEVTOOLS: Rename confSRCDIR to confSMSRCDIR since it only identifies + the path to the sendmail source directory. confSRCDIR is a + new variable which identifies the root of the source + directories for all of the programs in the distribution. + DEVTOOLS: confSRCDIR and confSMSRCDIR are now determined at Build + time. They can both still be overridden by setting the m4 + macro. + DEVTOOLS: confSBINGRP now defaults to bin instead of kmem. + DEVTOOLS: 'Build -Q prefix' uses devtools/Site/prefix.*.m4 for + build configurations, and places objects in obj.prefix.*/. + Complains as 'Build -f file' does for existing object + directories. Suggested by Tom Smith of Digital Equipment + Corporation. + DEVTOOLS: Setting confINSTALL_RAWMAN will install unformatted + manual pages in the directory tree specified by + confMANROOTMAN. + DEVTOOLS: If formatting the manual pages fails, copy in the + preformatted pages from the distribution. The new variable + confCOPY specifies the copying program. + DEVTOOLS: Defining confFORCE_RMAIL will install rmail without + question. Suggested by Terry Lambert of Whistle + Communications. + DEVTOOLS: confSTFILE and confHFFILE can be used to change the names + of the installed statistics and help files, respectively. + DEVTOOLS: Remove spaces in `uname -r` output when determining + operating system identity. Problem noted by Erik + Wachtenheim of Dartmouth College. + DEVTOOLS: New variable confLIBSEARCHPATH to specify the paths that + will be search for the libraries specified in confLIBSEARCH. + Defaults to "/lib /usr/lib /usr/shlib". + DEVTOOLS: New variables confSTRIP and confSTRIPOPTS for specifying + how to strip binaries. These are used by the new + install-strip target. + DEVTOOLS: New config file site.post.m4 which is included after + the others (if it exists). + DEVTOOLS: Change order of LIBS: first product specific libraries + then the default ones. + MAIL.LOCAL: Will not be installed set-user-ID root. To use mail.local + as local delivery agent without LMTP mode, use + MODIFY_MAILER_FLAGS(`LOCAL', `+S') + to set the S flag. + MAIL.LOCAL: Do not reject addresses which would otherwise be + accepted by sendmail. Suggested by Neil Rickert of + Northern Illinois University. + MAIL.LOCAL: New -7 option which causes LMTP mode not to advertise + 8BITMIME in the LHLO response. Suggested by Kari Hurtta of + the Finnish Meteorological Institute. + MAIL.LOCAL: Add support for the maillock() routines by defining + MAILLOCK when compiling. Also requires linking with + -lmail. Patch from Neil Rickert of Northern Illinois + University. + MAIL.LOCAL: Create a Content-Length: header if CONTENTLENGTH is + defined when compiling. Automatically set for Solaris 2.3 + and later. Patch from Neil Rickert of Northern Illinois + University. + MAIL.LOCAL: Move the initialization of the 'notifybiff' address + structure to the beginning of the program. This ensures that + the getservbyname() is done before any seteuid to a possibly + unauthenticated user. If you are using NIS+ and secure RPC + on a Solaris system, this avoids syslog messages such as, + "authdes_refresh: keyserv(1m) is unable to encrypt session + key." Patch from Neil Rickert of Northern Illinois + University. + MAIL.LOCAL: Support group writable mail spool files when MAILGID is + set to the gid to use (-DMAILGID=6) when compiling. + Patch from Neil Rickert of Northern Illinois University. + MAIL.LOCAL: When a mail message included lines longer than 2046 + characters (in LMTP mode), mail.local split the incoming + line up into 2046-character output lines (excluding the + newline). If an input line was 2047 characters long + (excluding CR-LF) and the last character was a '.', + mail.local saw it as the end of input, transfered it to the + user mailbox and tried to write an `ok' back to sendmail. + If the message was much longer, both sendmail and + mail.local would deadlock waiting for each other to read + what they have written. Problem noted by Peter Jeremy of + Alcatel Australia Limited. + MAIL.LOCAL: New option -b to return a permanent error instead of a + temporary error if a mailbox exceeds quota. Suggested by + Neil Rickert of Northern Illinois University. + MAIL.LOCAL: The creation of a lockfile is subject to a global + timeout to avoid starvation. + MAIL.LOCAL: Properly parse addresses with multiple quoted + local-parts. Problem noted by Ronald F. Guilmette of + Infinite Monkeys & Co. + MAIL.LOCAL: NCR MP/RAS 3.X portability from Tom J. Moore of NCR. + MAILSTATS: New -p option to invoke program mode in which stats are + printed in a machine readable fashion and the stats file + is reset. Patch from Kevin Hildebrand of the University + of Maryland. + MAKEMAP: If running as root, automatically change the ownership of + generated maps to the TrustedUser as specified in the + sendmail configuration file. + MAKEMAP: New -C option to accept an alternate sendmail + configuration file to use for finding the TrustedUser + option. + MAKEMAP: New -u option to dump (unmap) a database. Based on + code contributed by Roy Mongiovi of Georgia Tech. + MAKEMAP: New -e option to allow empty values. Suggested by Philip + A. Prindeville of Enteka Enterprise Technology Services. + MAKEMAP: Compile cleanly on 64-bit operating systems. Problem + noted by Gerald Rinske of Siemens Business Services. + OP.ME: Correctly document interaction between F=S and U= mailer + equates. Problem noted by Bob Halley of Internet Engines. + OP.ME: Fixup Timeout documentation. From Graeme Hewson of Oracle + Corporation UK. + OP.ME: The Timeout [r] option was incorrectly listed as "safe" + (e.g., sendmail would not drop root privileges if the + option was specified on the command line). Problem noted + by Todd C. Miller of Courtesan Consulting. + PRALIASES: Handle the hash and btree map specifications for + Berkeley DB. Patch from Brian J. Coan of the + Institute for Global Communications. + PRALIASES: Read the sendmail.cf file for the location(s) of the + alias file(s) if the -f option is not used. Patch from + John Beck of Sun Microsystems. + PRALIASES: New -C option to specify an alternate sendmail + configuration file to use for finding alias file(s). Patch + from John Beck of Sun Microsystems. + SMRSH: allow shell commands echo, exec, and exit. Allow command + lists using || and &&. Based on patch from Brian J. Coan + of the Institute for Global Communications. + SMRSH: Update README for the new Build system. From Tim Pierce + of RootsWeb Genealogical Data Cooperative. + VACATION: Added vacation auto-responder to sendmail distribution. + LIBSMDB: Added abstracted database library. Works with Berkeley + DB 1.85, Berkeley DB 2.X, Berkeley DB 3.X, and NDBM. + Changed Files: + The Build script in the various program subdirectories are + no longer symbolic links. They are now scripts + which execute the actual Build script in + devtools/bin. + All the manual pages are now written against -man and not + -mandoc as they were previously. + Add a simple Makefile to every directory so make instead + of Build will work (unless parameters are + required for Build). + New Directories: + devtools/M4/UNIX + include + libmilter + libsmdb + libsmutil + vacation + Renamed Directories: + BuildTools => devtools + src => sendmail + Deleted Files: + cf/m4/nullrelay.m4 + devtools/OS/Linux.ppc + devtools/OS/ReliantUNIX + devtools/OS/SINIX + sendmail/ldap_map.h + New Files: + INSTALL + PGPKEYS + cf/cf/generic-linux.cf + cf/cf/generic-linux.mc + cf/feature/delay_checks.m4 + cf/feature/dnsbl.m4 + cf/feature/generics_entire_domain.m4 + cf/feature/no_default_msa.m4 + cf/feature/relay_mail_from.m4 + cf/feature/virtuser_entire_domain.m4 + cf/mailer/qpage.m4 + cf/ostype/bsdi.m4 + cf/ostype/hpux11.m4 + cf/ostype/openbsd.m4 + contrib/bounce-resender.pl + contrib/domainmap.m4 + contrib/qtool.8 + contrib/qtool.pl + devtools/M4/depend/AIX.m4 + devtools/M4/list.m4 + devtools/M4/string.m4 + devtools/M4/subst_ext.m4 + devtools/M4/switch.m4 + devtools/OS/Darwin + devtools/OS/GNU + devtools/OS/SINIX.5.43 + devtools/OS/SINIX.5.44 + devtools/OS/m88k + devtools/bin/find_in_path.sh + mail.local/Makefile + mailstats/Makefile + makemap/Makefile + praliases/Makefile + rmail/Makefile + sendmail/Makefile + sendmail/bf.h + sendmail/bf_portable.c + sendmail/bf_portable.h + sendmail/bf_torek.c + sendmail/bf_torek.h + sendmail/shmticklib.c + sendmail/statusd_shm.h + sendmail/timers.c + sendmail/timers.h + smrsh/Makefile + vacation/Makefile + Renamed Files: + cf/ostype/gnuhurd.m4 => cf/ostype/gnu.m4 + sendmail/cdefs.h => include/sendmail/cdefs.h + sendmail/sendmail.hf => sendmail/helpfile + sendmail/mailstats.h => include/sendmail/mailstats.h + sendmail/pathnames.h => include/sendmail/pathnames.h + sendmail/safefile.c => libsmutil/safefile.c + sendmail/snprintf.c => libsmutil/snprintf.c + sendmail/useful.h => include/sendmail/useful.h + cf/ostype/solaris2.m4 => cf/ostype/solaris2.pre5.m4 + Copied Files: + cf/ostype/solaris2.ml.m4 => cf/ostype/solaris2.m4 + +8.9.3/8.9.3 1999/02/04 + SECURITY: Limit message headers to a maximum of 32K bytes (total + of all headers in a single message) to prevent a denial of + service attack. This limit will be configurable in 8.10. + Problem noted by Michal Zalewski of the "Internet for + Schools" project (IdS). + Prevent segmentation fault on an LDAP lookup if the LDAP map + was closed due to an earlier failure. Problem noted by + Jeff Wasilko of smoe.org. Fix from Booker Bense of + Stanford University and Per Hedeland of Ericsson. + Preserve the order of the MIME headers in multipart messages + when performing the MIME header length check. This + will allow PGP signatures to function properly. Problem + noted by Lars Hecking of University College, Cork, Ireland. + If ruleset 5 rewrote the local address to an :include: directive, + the delivery would fail with an "aliasing/forwarding loop + broken" error. Problem noted by Eric C Hagberg of Morgan + Stanley. Fix from Per Hedeland of Ericsson. + Allow -T to work for bestmx maps. Fix from Aaron Schrab of + ExecPC Internet Systems. + During the transfer of a message in an SMTP transaction, if a + TCP timeout occurs, the message would be properly queued + for later retry but the failure would be logged as + "Illegal Seek" instead of a timeout. Problem noted by + Piotr Kucharski of the Warsaw School of Economics (SGH) + and Carles Xavier Munyoz Baldo of CTV Internet. + Prevent multiple deliveries on a self-referencing alias if the + F=w mailer flag is not set. Problem noted by Murray S. + Kucherawy of Concentric Network Corporation and Per + Hedeland of Ericsson. + Do not strip empty headers but if there is no value and a + default is defined in sendmail.cf, use the default. + Problem noted by Philip Guenther of Gustavus Adolphus + College and Christopher McCrory of Netus, Inc. + Don't inherit information about the sender (notably the full name) + in SMTP (-bs) mode, since this might be called from inetd. + Accept any 3xx reply code in response to DATA command instead of + requiring 354. This change will match the wording to be + published in the updated SMTP specification from the DRUMS + group of the IETF. + Portability: + AIX 4.2.0 or 4.2.1 may become updated by the fileset + bos.rte.net level 4.2.0.2. This introduces the + softlink /usr/lib/libbind.a which should + not be used. It conflicts with the resolver + built into libc.a. "bind" has been removed + from the confLIBSEARCH BuildTools variable. + Users who have installed BIND 8.X will have + to add it back in their site.config.m4 file. + Problem noted by Ole Holm Nielsen of the + Technical University of Denmark. + CRAY TS 10.0.x from Sven Nielsen of San Diego + Supercomputer Center. + Improved LDAP version 3 integration based on input + from Kurt D. Zeilenga of the OpenLDAP Foundation, + John Beck of Sun Microsystems, and Booker Bense + of Stanford University. + Linux doesn't have a standard way to get the timezone + between different releases. Back out the + change in 8.9.2 and don't attempt to derive + a timezone. Problem reported by Igor S. Livshits + of the University of Illinois at Urbana-Champaign + and Michael Dickens of Tetranet Communications. + Reliant UNIX, the new name for SINIX, from Gert-Jan Looy + of Siemens/SNI. + SunOS 5.8 from John Beck of Sun Microsystems. + CONFIG: SCO UnixWare 2.1 and 7.0 need TZ to get the proper + timezone. Problem noted by Petr Lampa of Technical + University of Brno. + CONFIG: Handle <@bestmx-host:user@otherhost> addressing properly + when using FEATURE(bestmx_is_local). Patch from Neil W. + Rickert of Northern Illinois University. + CONFIG: Properly handle source routed and %-hack addresses on + hosts which the mailertable remaps to local:. Patch from + Neil W. Rickert of Northern Illinois University. + CONFIG: Internal fixup of mailertable local: map value. Patch from + Larry Parmelee of Cornell University. + CONFIG: Only add back +detail from host portion of mailer triplet + on local mailer triplets if it was originally +detail. + Patch from Neil W. Rickert of Northern Illinois University. + CONFIG: The bestmx_is_local checking done in check_rcpt would + cause later checks to fail. Patch from Paul J Murphy of + MIDS Europe. + New Files: + BuildTools/OS/CRAYTS.10.0.x + BuildTools/OS/ReliantUNIX + BuildTools/OS/SunOS.5.8 + +8.9.2/8.9.2 1998/12/30 + SECURITY: Remove five second sleep on accepting daemon connections + due to an accept() failure. This sleep could be used + for a denial of service attack. + Do not silently ignore queue files with names which are too long. + Patch from Bryan Costales of InfoBeat, Inc. + Do not store failures closing an SMTP session in persistent + host status. Reported by Graeme Hewson of Oracle + Corporation UK. + Allow symbolic link forward files if they are in safe directories. + Problem noted by Andreas Schott of the Max Planck Society. + Missing columns in a text map could cause a segmentation fault. + Fix from David Lee of the University of Durham. + Note that for 8.9.X, PrivacyOptions=goaway also includes the + noetrn flag. This is scheduled to change in a future + version of sendmail. Problem noted by Theo Van Dinter of + Chrysalis Symbolic Designa and Alan Brown of Manawatu + Internet Services. + When trying to do host canonification in a Wildcard MX + environment, try an MX lookup of the hostname without the + default domain appended. Problem noted by Olaf Seibert of + Polderland Language & Speech Technology. + Reject SMTP RCPT To: commands with only comments (i.e. + 'RCPT TO: (comment)'. Problem noted by Earle Ake of + Hassler Communication Systems Technology, Inc. + Handle any number of %s in the LDAP filter spec. Patch from + Per Hedeland of Ericsson. + Clear ldapx open timeouts even if the map open failed to prevent + a segmentation fault. Patch from Wayne Knowles of the + National Institute of Water & Atmospheric Research Ltd. + Do not syslog envelope clone messages when using address + verification (-bv). Problem noted by Kari Hurtta of the + Finnish Meteorological Institute. + Continue to perform queue runs while in daemon mode even if the + daemon is rejecting connections due to a disk full + condition. Problem noted by JR Oldroyd of TerraNet + Internet Services. + Include full filename on installation of the sendmail.hf file + in case the $HFDIR directory does not exist. Problem + noted by Josef Svitak of Montana State University. + Close all maps when exiting the process with one exception. + Berkeley DB can use internal shared memory locking for + its memory pool. Closing a map opened by another process + will interfere with the shared memory and locks of the + parent process leaving things in a bad state. For + Berkeley DB, only close the map if the current process + is also the one that opened the map, otherwise only close + the map file descriptor. Thanks to Yoseff Francus of + Collective Technologies for volunteering his system for + extended testing. + Avoid null pointer dereference on XDEBUG output for SMTP reply + failures. Problem noted by Carlos Canau of EUnet Portugal. + On mailq and hoststat listings being piped to another program, such + as more, if the pipe closes (i.e., the user quits more), + stop sending output and exit. Patch from Allan E Johannesen + of Worcester Polytechnic Institute. + In accordance with the documentation, LDAP map lookup failures + are now considered temporary failures instead of permanent + failures unless the -t flag is used in the map definition. + Problem noted by Booker Bense of Stanford University and + Eric C. Hagberg of Morgan Stanley. + Fix by one error reporting on long alias names. Problem noted by + H. Paul Hammann of the Missouri Research and Education + Network. + Fix DontBlameSendmail=IncludeFileInUnsafeDirPath behavior. Problem + noted by Barry S. Finkel of Argonne National Laboratory. + When automatically converting from 8 bit to quoted printable MIME, + be careful not to miss a multi-part boundary if that + boundary is preceded by a boundary-like line. Problem + noted by Andreas Raschle of Ansid Inc. Fix from + Kari Hurtta of the Finnish Meteorological Institute. + Avoid bogus reporting of "LMTP tobuf overflow" when the buffer + has enough space for the additional address. Problem + noted by Steve Cliffe of the University of Wollongong. + Fix DontBlameSendmail=FileDeliveryToSymlink behavior. Problem + noted by Alex Vorobiev of Swarthmore College. + If the check_compat ruleset resolves to the $#discard mailer, + discard the current recipient. Unlike check_relay, + check_mail, and check_rcpt, the entire envelope is not + discarded. Problem noted by RZ D. Rahlfs. Fix from + Claus Assmann of Christian-Albrechts-University of Kiel. + Avoid segmentation fault when reading ServiceSwitchFile files with + bogus formatting. Patch from Kari Hurtta of the Finnish + Meteorological Institute. + Support Berkeley DB 2.6.4 API change. + OP.ME: Pages weren't properly output on duplexed printers. Fix + from Matthew Black of CSU Long Beach. + Portability: + Apple Rhapsody from Wilfredo Sanchez of Apple Computer, Inc. + Avoid a clash with IRIX 6.2 getopt.h and the UserDatabase + option structure. Problem noted by Ashley M. + Kirchner of Photo Craft Laboratories, Inc. + Break out IP address to hostname translation for + reading network interface addresses into + class 'w'. Patch from John Kennedy of + Cal State University, Chico. + AIX 4.x use -qstrict with -O3 to prevent the optimized + from changing the semantics of the compiled + program. From Simon Travaglia of the + University of Waikato, New Zealand. + FreeBSD 2.2.2 and later support setusercontext(). From + Peter Wemm of DIALix. + FreeBSD 3.x fix from Peter Wemm of DIALix. + IRIX 5.x has a syslog buffer size of 512 bytes. From + Nao NINOMIYA of Utsunomiya University. + IRIX 6.5 64-bit Build support. + LDAP Version 3 support from John Beck and Ravi Iyer + of Sun Microsystems. + Linux does not implement seteuid() properly. From + John Kennedy of Cal State University, Chico. + Linux timezone type was set improperly. From Takeshi Itoh + of Bits Co., Ltd. + NCR MP-RAS 3.x needs -lresolv for confLIBS. From + Tom J. Moore of NCR. + NeXT 4.x correction to man page path. From J. P. McCann + of E I A. + System V Rel 5.x (a.k.a UnixWare7 w/o BSD-Compatibility Libs) + from Paul Gampe of the Asia Pacific Network + Information Center. + ULTRIX now requires an optimization limit of 970 from + Allan E Johannesen of Worcester Polytechnic + Institute. + Fix extern declaration for sm_dopr(). Fix from Henk + van Oers of Algemeen Nederlands Persbureau. + CONFIG: Catch @hostname,user@anotherhost.domain as relaying. + Problem noted by Mark Rogov of AirMedia, Inc. Fix from + Claus Assmann of Christian-Albrechts-University of Kiel. + CONFIG: Do not refer to http://maps.vix.com/ on RBL rejections as + there are multiple RBL's available and the MAPS RBL may + not be the one in use. Suggested by Alan Brown of + Manawatu Internet Services. + CONFIG: Properly strip route addresses (i.e., @host1:user@host2) + when stripping down a recipient address to check for + relaying. Patch from Claus Assmann of + Christian-Albrechts-University of Kiel and Neil W Rickert + of Northern Illinois University. + CONFIG: Allow the access database to override RBL lookups. Patch + from Claus Assmann of Christian-Albrechts-University of + Kiel. + CONFIG: UnixWare 7 support from Phillip P. Porch of The Porch + Dot Com. + CONFIG: Fixed check for deferred delivery mode warning. Patch + from Claus Assmann of Christian-Albrechts-University of + Kiel and Per Hedeland of Ericsson. + CONFIG: If a recipient using % addressing is used, e.g. + user%site@othersite, and othersite's MX records are now + checked for local hosts if FEATURE(relay_based_on_MX) is + used. Problem noted by Alexander Litvin of Lucky Net Ltd. + Patch from Alexander Litvin of Lucky Net Ltd and + Claus Assmann of Christian-Albrechts-University of Kiel. + MAIL.LOCAL: Prevent warning messages from appearing in the LMTP + stream. Do not allow more than one response per recipient. + MAIL.LOCAL: Handle routed addresses properly when using LMTP. Fix + from John Beck of Sun Microsystems. + MAIL.LOCAL: Properly check for CRLF when using LMTP. Fix from + John Beck of Sun Microsystems. + MAIL.LOCAL: Substitute MAILER-DAEMON for the LMTP empty sender in + the envelope From header. + MAIL.LOCAL: Accept underscores in hostnames in LMTP mode. + Problem noted by Glenn A. Malling of Syracuse University. + MAILSTATS: Document msgsrej and msgsdis fields in the man page. + Problem noted by Richard Wong of Princeton University. + MAKEMAP: Build group list so group writable files are allowed with + the -s flag. Problem noted by Curt Sampson of Internet + Portal Services, Inc. + PRALIASES: Automatically handle alias files created without the + NULL byte at the end of the key. Patch from John Beck of + Sun Microsystems. + PRALIASES: Support Berkeley DB 2.6.4 API change. + New Files: + BuildTools/OS/IRIX64.6.5 + BuildTools/OS/UnixWare.5.i386 + cf/ostype/unixware7.m4 + contrib/smcontrol.pl + src/control.c + +8.9.1/8.9.1 1998/07/02 + If both an OS specific site configuration file and a generic + site.config.m4 file existed, only the latter was used + instead of both. Problem noted by Geir Johannessen of + the Norwegian University of Science and Technology. + Fix segmentation fault while converting 8 bit to 7 bit MIME + multipart messages by trying to write to an unopened + file descriptor. Fix from Kari Hurtta of the Finnish + Meteorological Institute. + Do not assume Message: and Text: headers indicate the end of + the header area when parsing MIME headers. Problem noted + by Kari Hurtta of the Finnish Meteorological Institute. + Setting the confMAN#SRC Build variable would only effect the + installation commands. The man pages would still be + built with .0 extensions. Problem noted by Bryan + Costales of InfoBeat, Inc. + Installation of manual pages didn't honor the DESTDIR environment + variable. Problem noted by Bryan Costales of InfoBeat, Inc. + If the check_relay ruleset resolved to the discard mailer, messages + were still delivered. Problem noted by Mirek Luc of NASK. + Mail delivery to files would fail with an Operating System Error + if sendmail was not running as root, i.e., RunAsUser was set. + Problem noted by Leonard N. Zubkoff of Dandelion Digital. + Prevent MinQueueAge from interfering from queued items created + in the future, i.e., if the system clock was set ahead + and then back. Problem noted by Michael Miller of the + University of Natal, Pietermaritzburg. + Do not advertise ETRN support in ESTMP EHLO reply if noetrn is + set in the PrivacyOptions option. Fix from Ted Rule of + Flextech TV. + Log invalid persistent host status file lines instead of + bouncing the message. Problem noted by David Lindes of + DaveLtd Enterprises. + Move creation of empty sendmail.st file from installation to + compilation. Installation may be done from a read-only + mount. Fix from Bryan Costales of InfoBeat, Inc. and Ric + Anderson of the Oasis Research Center, Inc. + Enforce the maximum number of User Database entries limit. Problem + noted by Gary Buchanan of Credence Systems Inc. + Allow dead.letter files in root's home directory. Problem noted + by Anna Ullman of Sun Microsystems. + Program deliveries in forward files could be marked unsafe if + any directory listed in the ForwardPath option did not + exist. Problem noted by Jorg Bielak of Coastal Web Online. + Do not trust the length of the address structure returned by + gethostbyname(). Problem noted by Chris Evans of Oxford + University. + If the SIZE= MAIL From: ESMTP parameter is too large, use the + 5.3.4 DSN status code instead of 5.2.2. Similarly, for + non-local deliveries, if the message is larger than the + mailer maximum message size, use 5.3.4 instead of 5.2.3. + Suggested by Antony Bowesman of + Fujitsu/TeaWARE Mail/MIME System. + Portability: + Fix the check for an IP address reverse lookup for + use in $&{client_name} on 64 bit platforms. + From Gilles Gallot of Institut for Development + and Resources in Intensive Scientific computing. + BSD-OS uses .0 for man page extensions. From Jeff Polk + of BSDI. + DomainOS detection for Build. Also, version 10.4 and later + ship a unistd.h. Fixes from Takanobu Ishimura of + PICT Inc. + NeXT 4.x uses /usr/lib/man/cat for its man pages. From + J. P. McCann of E I A. + SCO 4.X and 5.X include NDBM support. From Vlado Potisk + of TEMPEST, Ltd. + CONFIG: Do not pass spoofed PTR results through resolver for + qualification. Problem noted by Michiel Boland of + Digital Valley Internet Professionals; fix from + Kari Hurtta of the Finnish Meteorological Institute. + CONFIG: Do not try to resolve non-DNS hostnames such as UUCP, + BITNET, and DECNET addresses for resolvable senders. + Problem noted by Alexander Litvin of Lucky Net Ltd. + CONFIG: Work around Sun's broken configuration which sends bounce + messages as coming from @@hostname instead of <>. LMTP + would not accept @@hostname. + OP.ME: Corrections to complex sendmail startup script from Rick + Troxel of the National Institutes of Health. + RMAIL: Do not install rmail by default, require 'make force-install' + as this rmail isn't the same as others. Suggested by + Kari Hurtta of the Finnish Meteorological Institute. + New Files: + BuildTools/OS/DomainOS.10.4 + +8.9.0/8.9.0 1998/05/19 + SECURITY: To prevent users from reading files not normally + readable, sendmail will no longer open forward, :include:, + class, ErrorHeader, or HelpFile files located in unsafe + (i.e., group or world writable) directory paths. Sites + which need the ability to override security can use the + DontBlameSendmail option. See the README file for more + information. + SECURITY: Problems can occur on poorly managed systems, specifically, + if maps or alias files are in world writable directories. + This fixes the change added to 8.8.6 to prevent links in these + world writable directories. + SECURITY: Make sure ServiceSwitchFile option file is not a link if + it is in a world writable directory. + SECURITY: Never pass a tty to a mailer -- if a mailer can get at the + tty it may be able to push bytes back to the senders input. + Unfortunately this breaks -v mode. Problem noted by + Wietse Venema of the Global Security Analysis Lab at + IBM T.J. Watson Research. + SECURITY: Empty group list if DontInitGroups is set to true to + prevent program deliveries from picking up extra group + privileges. Problem reported by Wolfgang Ley of DFN-CERT. + SECURITY: The default value for DefaultUser is now set to the uid and + gid of the first existing user mailnull, sendmail, or daemon + that has a non-zero uid. If none of these exist, sendmail + reverts back to the old behavior of using uid 1 and gid 1. + This is a security problem for Linux which has chosen that + uid and gid for user bin instead of daemon. If DefaultUser + is set in the configuration file, that value overrides this + default. + SECURITY: Since 8.8.7, the check for non-set-user-ID binaries + interfered with setting an alternate group id for the + RunAsUser option. Problem noted by Randall Winchester of + the University of Maryland. + Add support for Berkeley DB 2.X. Based on patch from John Kennedy + of Cal State University, Chico. + Remove support for OLD_NEWDB (pre-1.5 version of Berkeley DB). Users + which previously defined OLD_NEWDB=1 must now upgrade to the + current version of Berkeley DB. + Added support for regular expressions using the new map class regex. + From Jan Krueger of Unix-AG of University of Hannover. + Support for BIND 8.1.1's hesiod for hesiod maps and hesiod + UserDatabases from Randall Winchester of the University + of Maryland. + Allow any shell for user shell on program deliveries on V1 + configurations for backwards compatibility on machines which + do not have getusershell(). Fix from John Beck of Sun + Microsystems. + On operating systems which change the process title by reusing the + argument vector memory, sendmail could corrupt memory if the + last argument was either "-q" or "-d". Problem noted by + Frank Langbein of the University of Stuttgart. + Support Local Mail Transfer Protocol (LMTP) between sendmail and + mail.local on the F=z flag. + Macro-expand the contents of the ErrMsgFile. Previously this was + only done if you had magic characters (0x81) to indicate + macro expansion. Now $x will be expanded. This means that + real dollar signs have to be backslash escaped. + TCP Wrappers expects "unknown" in the hostname argument if the + reverse DNS lookup for the incoming connection fails. + Problem noted by Randy Grimshaw of Syracuse University and + Wietse Venema of the Global Security Analysis Lab at + IBM T.J. Watson Research. + DSN success bounces generated from an invocation of sendmail -t + would be sent to both the sender and MAILER-DAEMON. + Problem noted by Claus Assmann of + Christian-Albrechts-University of Kiel. + Avoid "Error 0" messages on delivery mailers which exit with a + valid exit value such as EX_NOPERM. Fix from Andreas Luik + of ISA Informationssysteme GmbH. + Tokenize $&x expansions on right hand side of rules. This eliminates + the need to use tricks like $(dequote "" $&{client_name} $) + to cause the ${client_name} macro to be properly tokenized. + Add the MaxRecipientsPerMessage option: this limits the number of + recipients that will be accepted in a single SMTP + transaction. After this number is reached, sendmail + starts returning "452 Too many recipients" to all RCPT + commands. This can be used to limit the number of recipients + per envelope (in particular, to discourage use of the server + for spamming). Note: a better approach is to restrict + relaying entirely. + Fixed pointer initialization for LDAP lmap struct, fixed -s option + to ldapx map and added timeout for ldap_open call to + avoid hanging sendmail in the event of hung LDAP servers. + Patch from Booker Bense of Stanford University. + Allow multiple -qI, -qR, or -qS queue run limiters. For example, + '-qRfoo -qRbar' would deliver mail to recipients with foo or + bar in their address. Patch from Allan E Johannesen of + Worcester Polytechnic Institute. + The bestmx map will now return a list of the MX servers for a host if + passed a column delimiter via the -z map flag. This can be + used to check if the server is an MX server for the recipient + of a message. This can be used to help prevent relaying. + Patch from Mitchell Blank Jr of Exec-PC. + Mark failures for the *file* mailer and return bounce messages to the + sender for those failures. + Prevent bogus syslog timestamps on errors in sendmail.cf by + preserving the TZ environment variable until TimeZoneSpec + has been determined. Problem noted by Ralf Hildebrandt of + Technical University of Braunschweig. Patch from Per Hedeland + of Ericsson. + Print test input in address test mode when input is not from the tty + when the -v flag is given (i.e., sendmail -bt -v) to make + output easier to decipher. Problem noted by Aidan Nichol + of Procter & Gamble. + The LDAP map -s flag was not properly parsed and the error message + given included the remainder of the arguments instead of + solely the argument in error. Problem noted by Aidan Nichol + of Procter & Gamble. + New DontBlameSendmail option. This option allows administrators to + bypass some of sendmail's file security checks at the expense + of system security. This should only be used if you are + absolutely sure you know the consequences. The available + DontBlameSendmail options are: + Safe + AssumeSafeChown + ClassFileInUnsafeDirPath + ErrorHeaderInUnsafeDirPath + GroupWritableDirPathSafe + GroupWritableForwardFileSafe + GroupWritableIncludeFileSafe + GroupWritableAliasFile + HelpFileinUnsafeDirPath + WorldWritableAliasFile + ForwardFileInGroupWritableDirPath + IncludeFileInGroupWritableDirPath + ForwardFileInUnsafeDirPath + IncludeFileInUnsafeDirPath + ForwardFileInUnsafeDirPathSafe + IncludeFileInUnsafeDirPathSafe + MapInUnsafeDirPath + LinkedAliasFileInWritableDir + LinkedClassFileInWritableDir + LinkedForwardFileInWritableDir + LinkedIncludeFileInWritableDir + LinkedMapInWritableDir + LinkedServiceSwitchFileInWritableDir + FileDeliveryToHardLink + FileDeliveryToSymLink + WriteMapToHardLink + WriteMapToSymLink + WriteStatsToHardLink + WriteStatsToSymLink + RunProgramInUnsafeDirPath + RunWritableProgram + New DontProbeInterfaces option to turn off the inclusion of all the + interface names in $=w on startup. In particular, if you + have lots of virtual interfaces, this option will speed up + startup. However, unless you make other arrangements, mail + sent to those addresses will be bounced. + Automatically create alias databases if they don't exist and + AutoRebuildAliases is set. + Add PrivacyOptions=noetrn flag to disable the SMTP ETRN command. + Suggested by Christophe Wolfhugel of the Institut Pasteur. + Add PrivacyOptions=noverb flag to disable the SMTP VERB command. + When determining the client host name ($&{client_name} macro), do + a forward (A) DNS lookup on the result of the PTR lookup + and compare results. If they differ or if the PTR lookup + fails, &{client_name} will contain the IP address + surrounded by square brackets (e.g., [127.0.0.1]). + New map flag: -Tx appends "x" to lookups that return temporary failure + (i.e, it is like -ax for the temporary failure case, in + contrast to the success case). + New syntax to do limited checking of header syntax. A config line + of the form: + HHeader: $>Ruleset + causes the indicated Ruleset to be invoked on the Header + when read. This ruleset works like the check_* rulesets -- + that is, it can reject mail on the basis of the contents. + Limit the size of the HELO/EHLO parameter to prevent spammers + from hiding their connection information in Received: + headers. + When SingleThreadDelivery is active, deliveries to locked hosts + are skipped. This will cause the delivering process to + try the next MX host or queue the message if no other MX + hosts are available. Suggested by Alexander Litvin. + The [FILE] mailer type now delivers to the file specified in the + A= equate of the mailer definition instead of $u. It also + obeys all of the F= mailer flags such as the MIME + 7/8 bit conversion flags. This is useful for defining + a mailer which delivers to the same file regardless of the + recipient (e.g., 'A=FILE /dev/null' to discard unwanted mail). + Do not assume the identity of a remote connection is root@localhost + if the remote connection closes the socket before the + remote identity can be queried. + Change semantics of the F=S mailer flag back to 8.7.5 behavior. + Some mailers, including procmail, require that the real + uid is left unchanged by sendmail. Problem noted by Per + Hedeland of Ericsson. + No longer is the src/obj*/Makefile selected from a large list -- it + is now generated using the information in BuildTools/OS/ -- + some of the details are determined dynamically via + BuildTools/bin/configure.sh. + The other programs in the sendmail distribution -- mail.local, + mailstats, makemap, praliases, rmail, and smrsh -- now use + the new Build method which creates an operating system + specific Makefile using the information in BuildTools. + Make 4xx reply codes to the SMTP MAIL command be non-sticky (i.e., + a failure on one message won't affect future messages to the + same host). This is necessary if the remote host sends + a 451 error if the domain of the sender does not resolve + as is common in anti-spam configurations. Problem noted + by Mitchell Blank Jr of Exec-PC. + New "discard" mailer for check_* rulesets and header checking + rulesets. If one of the above rulesets resolves to the + $#discard mailer, the commands will be accepted but the + message will be completely discarded after it is accepting. + This means that even if only one of the recipients + resolves to the $#discard mailer, none of the recipients + will receive the mail. Suggested by Brian Kantor. + All but the last cloned envelope of a split envelope were queued + instead of being delivered. Problem noted by John Caruso + of CNET: The Computer Network. + Fix deadlock situation in persistent host status file locking. + Syslog an error if a user forward file could not be read due to + an error. Patch from John Beck of Sun Microsystems. + Use the first name returned on machine lookups when canonifying a + hostname via NetInfo. Patch from Timm Wetzel of GWDG. + Clear the $&{client_addr}, $&{client_name}, and $&{client_port} + macros when delivering a bounce message to prevent + rejection by a check_compat ruleset which uses these macros. + Problem noted by Jens Hamisch of AgiX Internetservices GmbH. + If the check_relay ruleset resolves to the the error mailer, the + error in the $: portion of the resolved triplet is used + in the rejection message given to the remote machine. + Suggested by Scott Gifford of The Internet Ramp. + Set the $&{client_addr}, $&{client_name}, and $&{client_port} macros + before calling the check_relay ruleset. Suggested by Scott + Gifford of The Internet Ramp. + Sendmail would get a segmentation fault if a mailer exited with an + exit code of 79. Problem noted by Aaron Schrab of ExecPC + Internet. Fix from Christophe Wolfhugel of the Pasteur + Institute. + Separate snprintf/vsnprintf routines into separate file for use by + mail.local. + Allow multiple map lookups on right hand side, e.g., + R$* $( host $1 $) $| $( passwd $1 $). Patch from + Christophe Wolfhugel of the Pasteur Institute. + Properly generate success DSN messages if requested for aliases + which have owner- aliases. Problem noted by Kari Hurtta + of the Finnish Meteorological Institute. + Properly display delayed-expansion macros ($&{macroname}) in + address test mode (-bt). Problem noted by Bryan Costales + of InfoBeat, Inc. + -qR could sometimes match names incorrectly. Problem noted by + Lutz Euler of Lavielle EDV Systemberatung GmbH & Co. + Include a magic number and version in the StatusFile for the + mailstats command. + Record the number of rejected and discarded messages in the + StatusFile for display by the mailstats command. Patch + from Randall Winchester of the University of Maryland. + IDENT returns where the OSTYPE field equals "OTHER" now list the + user portion as IDENT:username@site instead of + username@site to differentiate the two. Suggested by + Kari Hurtta of the Finnish Meteorological Institute. + Enforce timeout for LDAP queries. Patch from Per Hedeland of + Ericsson. + Change persistent host status filename substitution so '/' is + replaced by ':' instead of '|' to avoid clashes. Also + avoid clashes with hostnames with leading dots. Fix from + Mitchell Blank Jr. of Exec-PC. + If the system lock table is full, only attempt to create a new + queue entry five times before giving up. Previously, it + was attempted indefinitely which could cause the partition + to run out of inodes. Problem noted by Suzie Weigand of + Stratus Computer, Inc. + In verbose mode, warn if the sendmail.cf version is less than the + currently supported version. + Sorting for QueueSortOrder=host is now case insensitive. Patch + from Randall S. Winchester of the University of Maryland. + Properly quote a full name passed via the -F command line option, + the Full-Name: header, or the NAME environment variable if + it contains characters which must be quoted. Problem noted + by Kari Hurtta of the Finnish Meteorological Institute. + Avoid possible race condition that unlocked a mail job before + releasing the transcript file on systems that use flock(2). + In some cases, this might result in a "Transcript Unavailable" + message in error bounces. + Accept SMTP replies which contain only a reply code and no + accompanying text. Problem noted by Fernando Fraticelli of + Digital Equipment Corporation. + Portability: + AIX 4.1 uses int for SOCKADDR_LEN_T from Motonori Nakamura + of Kyoto University. + AIX 4.2 requires before . Patch from + Randall S. Winchester of the University of + Maryland. + AIX 4.3 from Valdis Kletnieks of Virginia Tech CNS. + CRAY T3E from Manu Mahonen of Center for Scientific Computing + in Finland. + Digital UNIX now uses statvfs for determining free + disk space. Patch from Randall S. Winchester of + the University of Maryland. + HP-UX 11.x from Richard Allen of Opin Kerfi HF and + Regis McEwen of Progress Software Corporation. + IRIX 64 bit fixes from Kari Hurtta of the Finnish + Meteorological Institute. + IRIX 6.2 configuration fix for mail.local from Michael Kyle + of CIC/Advanced Computing Laboratory. + IRIX 6.5 from Thomas H Jones II of SGI. + IRIX 6.X load average code from Bob Mende of SGI. + QNX from Glen McCready . + SCO 4.2 and 5.x use /usr/bin instead of /usr/ucb for links + to sendmail. Install with group bin instead of kmem + as kmem does not exist. From Guillermo Freige of + Gobernacion de la Pcia de Buenos Aires and Paul + Fischer of BTG, Inc. + SunOS 4.X does not include memmove(). Patch from + Per Hedeland of Ericsson. + SunOS 5.7 includes getloadavg() function for determining + load average. Patch from John Beck of Sun + Microsystems. + CONFIG: Increment version number of config file. + CONFIG: add DATABASE_MAP_TYPE to set the default type of database + map for the various maps. The default is hash. Patch from + Robert Harker of Harker Systems. + CONFIG: new confEBINDIR m4 variable for defining the executable + directory for certain programs. + CONFIG: new FEATURE(local_lmtp) to use the new LMTP support for + local mail delivery. By the default, /usr/libexec/mail.local + is used. This is expected to be the mail.local shipped + with 8.9 which is LMTP capable. The path is based on the + new confEBINDIR m4 variable. + CONFIG: Use confEBINDIR in determining path to smrsh for + FEATURE(smrsh). Note that this changes the default from + /usr/local/etc/smrsh to /usr/libexec/smrsh. To obtain the + old path for smrsh, use FEATURE(smrsh, /usr/local/etc/smrsh). + CONFIG: DOMAIN(generic) changes the default confFORWARD_PATH to + include $z/.forward.$w+$h and $z/.forward+$h which allow + the user to setup different .forward files for + user+detail addressing. + CONFIG: add confMAX_RCPTS_PER_MESSAGE, confDONT_PROBE_INTERFACES, + and confDONT_BLAME_SENDMAIL to set MaxRecipientsPerMessage, + DontProbeInterfaces, and DontBlameSendmail options. + CONFIG: by default do not allow relaying (that is, accepting mail + from outside your domain and sending it to another host + outside your domain). + CONFIG: new FEATURE(promiscuous_relay) to allow mail relaying from + any site to any site. + CONFIG: new FEATURE(relay_entire_domain) allows any host in your + domain as defined by the 'm' class ($=m) to relay. + CONFIG: new FEATURE(relay_based_on_MX) to allow relaying based on + the MX records of the host portion of an incoming recipient. + CONFIG: new FEATURE(access_db) which turns on the access database + feature. This database gives you the ability to allow + or refuse to accept mail from specified domains for + administrative reasons. By default, names that are listed + as "OK" in the access db are domain names, not host names. + CONFIG: new confCR_FILE m4 variable for defining the name of the file + used for class 'R'. Defaults to /etc/mail/relay-domains. + CONFIG: new command RELAY_DOMAIN(domain) and RELAY_DOMAIN_FILE(file) + to add items to class 'R' ($=R) for hosts allowed to relay. + CONFIG: new FEATURE(relay_hosts_only) to change the behavior + of FEATURE(access_db) and class 'R' to lookup individual + host names only. + CONFIG: new FEATURE(loose_relay_check). Normally, if a recipient + using % addressing is used, e.g. user%site@othersite, + and othersite is in class 'R', the check_rcpt ruleset + will strip @othersite and recheck user@site for relaying. + This feature changes that behavior. It should not be + needed for most installations. + CONFIG: new FEATURE(relay_local_from) to allow relaying if the + domain portion of the mail sender is a local host. This + should only be used if absolutely necessary as it opens + a window for spammers. Patch from Randall S. Winchester of + the University of Maryland. + CONFIG: new FEATURE(blacklist_recipients) turns on the ability to + block incoming mail destined for certain recipient + usernames, hostnames, or addresses. + CONFIG: By default, MAIL FROM: commands in the SMTP session will be + refused if the host part of the argument to MAIL FROM: cannot + be located in the host name service (e.g., DNS). + CONFIG: new FEATURE(accept_unresolvable_domains) accepts + unresolvable hostnames in MAIL FROM: SMTP commands. + CONFIG: new FEATURE(accept_unqualified_senders) accepts + MAIL FROM: senders which do not include a domain. + CONFIG: new FEATURE(rbl) Turns on rejection of hosts found in the + Realtime Blackhole List. You can specify the RBL name + server to contact by specifying it as an optional argument. + The default is rbl.maps.vix.com. For details, see + http://maps.vix.com/rbl/. + CONFIG: Call Local_check_relay, Local_check_mail, and + Local_check_rcpt from check_relay, check_mail, and + check_rcpt. Users with local rulesets should place the + rules using LOCAL_RULESETS. If a Local_check_* ruleset + returns $#OK, the message is accepted. If the ruleset + returns a mailer, the appropriate action is taken, else + the return of the ruleset is ignored. + CONFIG: CYRUS_MAILER_FLAGS now includes the /:| mailer flags by + default to support file, :include:, and program deliveries. + CONFIG: Remove the default for confDEF_USER_ID so the binary can + pick the proper default value. See the SECURITY note + above for more information. + CONFIG: FEATURE(nodns) now warns the user that the feature is a + no-op. Patch from Kari Hurtta of the Finnish + Meteorological Institute. + CONFIG: OSTYPE(osf1) now sets DefaultUserID (confDEF_USER_ID) to + daemon since DEC's /bin/mail will drop the envelope + sender if run as mailnull. See the Digital UNIX section + of src/README for more information. Problem noted by + Kari Hurtta of the Finnish Meteorological Institute. + CONFIG: .cf files are now stored in the same directory with the + .mc files instead of in the obj directory. + CONFIG: New options confSINGLE_LINE_FROM_HEADER, + confALLOW_BOGUS_HELO, and confMUST_QUOTE_CHARS for + setting SingleLineFromHeader, AllowBogusHELO, and + MustQuoteChars respectively. + MAIL.LOCAL: support -l flag to run LMTP on stdin/stdout. This + SMTP-like protocol allows detailed reporting of delivery + status on a per-user basis. Code donated by John Myers of + CMU (now of Netscape). + MAIL.LOCAL: HP-UX support from Randall S. Winchester of the + University of Maryland. NOTE: mail.local is not + compatible with the stock HP-UX mail format. Be sure to + read mail.local/README. + MAIL.LOCAL: Prevent other mail delivery agents from stealing a + mailbox lock. Patch from Randall S. Winchester of the + University of Maryland. + MAIL.LOCAL: glibc portability from John Kennedy of Cal State + University, Chico. + MAIL.LOCAL: IRIX portability from Kari Hurtta of the Finnish + Meteorological Institute. + MAILSTATS: Display the number of rejected and discarded messages + in the StatusFile. Patch from Randall Winchester of the + University of Maryland. + MAKEMAP: New -s flag to ignore safety checks on database map files + such as linked files in world writable directories. + MAKEMAP: Add support for Berkeley DB 2.X. Remove OLD_NEWDB support. + PRALIASES: Add support for Berkeley DB 2.X. + PRALIASES: Do not automatically include NDBM support. Problem + noted by Ralf Hildebrandt of the Technical University of + Braunschweig. + RMAIL: Improve portability for other platforms. Patches from + Randall S. Winchester of the University of Maryland and + Kari Hurtta of the Finnish Meteorological Institute. + Changed Files: + src/Makefiles/Makefile.* files have been modified to use + the new build mechanism and are now BuildTools/OS/*. + src/makesendmail changed to symbolic link to src/Build. + New Files: + BuildTools/M4/header.m4 + BuildTools/M4/depend/BSD.m4 + BuildTools/M4/depend/CC-M.m4 + BuildTools/M4/depend/NCR.m4 + BuildTools/M4/depend/Solaris.m4 + BuildTools/M4/depend/X11.m4 + BuildTools/M4/depend/generic.m4 + BuildTools/OS/AIX.4.2 + BuildTools/OS/AIX.4.x + BuildTools/OS/CRAYT3E.2.0.x + BuildTools/OS/HP-UX.11.x + BuildTools/OS/IRIX.6.5 + BuildTools/OS/NEXTSTEP.4.x + BuildTools/OS/NeXT.4.x + BuildTools/OS/NetBSD.8.3 + BuildTools/OS/QNX + BuildTools/OS/SunOS.5.7 + BuildTools/OS/dcosx.1.x.NILE + BuildTools/README + BuildTools/Site/README + BuildTools/bin/Build + BuildTools/bin/configure.sh + BuildTools/bin/find_m4.sh + BuildTools/bin/install.sh + Makefile + cf/cf/Build + cf/cf/generic-hpux10.cf + cf/feature/accept_unqualified_senders.m4 + cf/feature/accept_unresolvable_domains.m4 + cf/feature/access_db.m4 + cf/feature/blacklist_recipients.m4 + cf/feature/loose_relay_check.m4 + cf/feature/local_lmtp.m4 + cf/feature/promiscuous_relay.m4 + cf/feature/rbl.m4 + cf/feature/relay_based_on_MX.m4 + cf/feature/relay_entire_domain.m4 + cf/feature/relay_hosts_only.m4 + cf/feature/relay_local_from.m4 + cf/ostype/qnx.m4 + contrib/doublebounce.pl + mail.local/Build + mail.local/Makefile.m4 + mail.local/README + mailstats/Build + mailstats/Makefile.m4 + makemap/Build + makemap/Makefile.m4 + praliases/Build + praliases/Makefile.m4 + rmail/Build + rmail/Makefile.m4 + rmail/rmail.0 + smrsh/Build + smrsh/Makefile.m4 + src/Build + src/Makefile.m4 + src/snprintf.c + Deleted Files: + cf/cf/Makefile (replaced by Makefile.dist) + mail.local/Makefile + mail.local/Makefile.dist + mailstats/Makefile + mailstats/Makefile.dist + makemap/Makefile + makemap/Makefile.dist + praliases/Makefile + praliases/Makefile.dist + rmail/Makefile + smrsh/Makefile + smrsh/Makefile.dist + src/Makefile + src/Makefiles/Makefile.AIX.4 (split into AIX.4.x and AIX.4.2) + src/Makefiles/Makefile.SMP_DC.OSx.NILE + (renamed BuildTools/OS/dcosx.1.x.NILE) + src/Makefiles/Makefile.Utah (obsolete platform) + Renamed Files: + READ_ME => README + cf/cf/Makefile.dist => Makefile + cf/cf/obj/* => cf/cf/* + src/READ_ME => src/README + +8.8.8/8.8.8 1997/10/24 + If the check_relay ruleset failed, the relay= field was logged + incorrectly. Problem noted by Kari Hurtta of the Finnish + Meteorological Institute. + If /usr/tmp/dead.letter already existed, sendmail could not + add additional bounces to it. Problem noted by Thomas J. + Arseneault of SRI International. + If an SMTP mailer used a non-standard port number for the outgoing + connection, it would be displayed incorrectly in verbose mode. + Problem noted by John Kennedy of Cal State University, Chico. + Log the ETRN parameter specified by the client before altering them + to internal form. Suggested by Bob Kupiec of GES-Verio. + EXPN and VRFY SMTP commands on malformed addresses were logging as + User unknown with bogus delay= values. Change them to log + the same as compliant addresses. Problem noted by Kari E. + Hurtta of the Finnish Meteorological Institute. + Ignore the debug resolver option unless using sendmail debug trace + option for resolver. Problem noted by Greg Nichols of Wind + River Systems. + If SingleThreadDelivery was enabled and the remote server returned a + protocol error on the DATA command, the connection would be + closed but the persistent host status file would not be + unlocked so other sendmail processes could not deliver to + that host. Problem noted by Peter Wemm of DIALix. + If queueing up a message due to an expensive mailer, don't increment + the number of delivery attempts or set the last delivery + attempt time so the message will be delivered on the next + queue run regardless of MinQueueAge. Problem noted by + Brian J. Coan of the Institute for Global Communications. + Authentication warnings of "Processed from queue _directory_" and + "Processed by _username_ with -C _filename_" would be logged + with the incorrect timestamp. Problem noted by Kari E. Hurtta + of the Finnish Meteorological Institute. + Use a better heuristic for detecting GDBM. + Log null connections on dropped connections. Problem noted by + Jon Lewis of Florida Digital Turnpike. + If class dbm maps are rebuilt, sendmail will now detect this and + reopen the map. Previously, they could give stale + results during a single message processing (but would + recover when the next message was received). Fix from + Joe Pruett of Q7 Enterprises. + Do not log failures such as "User unknown" on -bv or SMTP VRFY + requests. Problem noted by Kari E. Hurtta of the + Finnish Meteorological Institute. + Do not send a bounce message back to the sender regarding bad + recipients if the SMTP connection is dropped before the + message is accepted. Problem noted by Kari E. Hurtta of the + Finnish Meteorological Institute. + Use "localhost" instead of "[UNIX: localhost]" when connecting to + sendmail via a UNIX pipe. This will allow rulesets using + $&{client_name} to process without sending the string through + dequote. Problem noted by Alan Barrett of Internet Africa. + A combination of deferred delivery mode, a double bounce situation, + and the inability to save a bounce message to + /var/tmp/dead.letter would cause sendmail to send a bounce + to postmaster but not remove the offending envelope from the + queue causing it to create a new bounce message each time the + queue was run. Problem noted by Brad Doctor of Net Daemons + Associates. + Remove newlines from hostname information returned via DNS. There are + no known security implications of newlines in hostnames as + sendmail filters newlines in all vital areas; however, this + could cause confusing error messages. + Starting with sendmail 8.8.6, mail sent with the '-t' option would be + rejected if any of the specified addresses were bad. This + behavior was modified to only reject the bad addresses and not + the entire message. Problem noted by Jozsef Hollosi of + SuperNet, Inc. + Use Timeout.fileopen when delivering mail to a file. Suggested by + Bryan Costales of InfoBeat, Inc. + Display the proper Final-Recipient on DSN messages for non-SMTP + mailers. Problem noted by Kari E. Hurtta of the + Finnish Meteorological Institute. + An error in calculating the available space in the list of addresses + for logging deliveries could cause an address to be silently + dropped. + Include the initial user environment if sendmail is restarted via + a HUP signal. This will give room for the process title. + Problem noted by Jon Lewis of Florida Digital Turnpike. + Mail could be delivered without a body if the machine does not + support flock locking and runs out of processes during + delivery. Fix from Chuck Lever of the University of Michigan. + Drop recipient address from 251 and 551 SMTP responses per RFC 821. + Problem noted by Kari E. Hurtta of the Finnish Meteorological + Institute. + Make sure non-rebuildable database maps are opened before the + rebuildable maps (i.e., alias files) in case the database maps + are needed for verifying the left hand side of the aliases. + Problem noted by Lloyd Parkes of Victoria University. + Make sure sender RFC822 source route addresses are alias expanded for + bounce messages. Problem noted by Juergen Georgi of + RUS University of Stuttgart. + Minor lint fixes. + Return a temporary error instead of a permanent error if an LDAP map + search returns an error. This will allow sequenced maps which + use other LDAP servers to be checked. Fix from Booker Bense + of Stanford University. + When automatically converting from quoted printable to 8bit text do + not pad bare linefeeds with a space. Problem noted by Theo + Nolte of the University of Technology Aachen, Germany. + Portability: + Non-standard C compilers may have had a problem compiling + conf.c due to a standard C external declaration of + setproctitle(). Problem noted by Ted Roberts of + Electronic Data Systems. + AUX: has a broken O_EXCL implementation. Reported by Jim + Jagielski of jaguNET Access Services. + BSD/OS: didn't compile if HASSETUSERCONTEXT was defined. + Digital UNIX: Digital UNIX (and possibly others) moves + loader environment variables into the loader memory + area. If one of these environment variables (such as + LD_LIBRARY_PATH) was the last environment variable, + an invalid memory address would be used by the process + title routine causing memory corruption. Problem + noted by Sam Hartman of Mesa Internet Systems. + GNU libc: uses an enum for _PC_CHOWN_RESTRICTED which caused + chownsafe() to always return 0 even if the OS does + not permit file giveaways. Problem noted by + Yasutaka Sumi of The University of Tokyo. + IRIX6: Syslog buffer size set to 512 bytes. Reported by + Gerald Rinske of Siemens Business Services VAS. + Linux: Pad process title with NULLs. Problem noted by + Jon Lewis of Florida Digital Turnpike. + SCO OpenServer 5.0: SIOCGIFCONF ioctl call returns an + incorrect value for the number of interfaces. + Problem noted by Chris Loelke of JetStream Internet + Services. + SINIX: Update for Makefile and syslog buffer size from Gerald + Rinske of Siemens Business Services VAS. + Solaris: Make sure HASGETUSERSHELL setting for SunOS is not + used on a Solaris machine. Problem noted by + Stephen Ma of Jtec Pty Limited. + CONFIG: SINIX: Update from Gerald Rinske of Siemens Business + Services VAS. + MAKEMAP: Use a better heuristic for detecting GDBM. + CONTRIB: expn.pl: Updated version from the author, David Muir Sharnoff. + OP.ME: Document the F=i mailer flag. Problem noted by Per Hedeland of + Ericsson. + +8.8.7/8.8.7 1997/08/03 + If using Berkeley DB on systems without O_EXLOCK (open a file with + an exclusive lock already set -- i.e., almost all systems + except 4.4-BSD derived systems), the initial attempt at + rebuilding aliases file if the database didn't already + exist would fail. Patch from Raymund Will of LST Software + GmbH. + Bogus incoming SMTP commands would reset the SMTP conversation. + Problem noted by Fredrik Jönsson of the Royal Institute + of Technology, Stockholm. + Since TCP Wrappers includes setenv(), unsetenv(), and putenv(), + some environments could give "multiple definitions" for these + routines during compilation. If using TCP Wrappers, assume + that these routines are included as though they were in the + C library. Patch from Robert La Ferla. + When a NEWDB database map was rebuilt at the same time it was being + used by a queue run, the maps could be left locked for the + duration of the queue run, causing other processes to hang. + Problem noted by Kendall Libby of Shore.NET. + In some cases, NoRecipientAction=add-bcc was being ignored, so the + mail was passed on without any recipient header. This could + cause problems downstream. Problem noted by Xander Jansen + of SURFnet ExpertiseCentrum. + Give error when GDBM is used with sendmail. GDBM's locking and + linking of the .dir and .pag files interferes with sendmail's + locking and security checks. Problems noted by Fyodor + Yarochkin of the Kyrgyz Republic FreeNet. + Don't fsync qf files if SuperSafe option is not set. + Avoid extra calls to gethostbyname for addresses for which a + gethostbyaddr found no value. Also, ignore any returns + from gethostbyaddr that look like a dotted quad. + If PTR lookup fails when looking up an SMTP peer, don't tag it as + "may be forged", since at the network level we pretty much + have to assume that the information is good. + In some cases, errors during an SMTP session could leave files + open or locked. + Better handling of missing file descriptors (0, 1, 2) on startup. + Better handling of non-set-user-ID binaries -- avoids certain obnoxious + errors during testing. + Errors in file locking of NEWDB maps had the incorrect file name + printed in the error message. + If the AllowBogusHELO option were set and an EHLO with a bad or + missing parameter were issued, the EHLO behaved like a HELO. + Load limiting never kicked in for incoming SMTP transactions if the + DeliveryMode=background and any recipient was an alias or + had a .forward file. From Nik Conwell of Boston University. + On some non-Posix systems, the decision of whether chown(2) permits + file giveaway was undefined. From Tetsu Ushijima of the + Tokyo Institute of Technology. + Fix race condition that could cause the body of a message to be + lost (so only the header was delivered). This only occurs + on systems that do not use flock(2), and only when a queue + runner runs during a critical section in another message + delivery. Based on a patch from Steve Schweinhart of + Results Computing. + If a qf file was found in a mail queue directory that had a problem + (wrong ownership, bad format, etc.) and the file name was + exactly MAXQFNAME bytes long, then instead of being tried + once, it would be tried on every queue run. Problem noted + by Bryan Costales of Mercury Mail. + If the system supports an st_gen field in the status structure, + include it when reporting that a file has changed after open. + This adds a new compile flag, HAS_ST_GEN (0/1 option). + This out to be checked as well as reported, since it is + theoretically possible for an attacker to remove a file after + it is opened and replace it with another file that has the + same i-number, but some filesystems (notably AFS) return + garbage in this field, and hence always look like the file + has changed. As a practical matter this is not a security + problem, since the files can be neither hard nor soft links, + and on no filesystem (that I am aware of) is it possible to + have two files on the same filesystem with the same i-number + simultaneously. + Delete the root Makefile from the distribution -- it is only for + use internally, and does not work at customer sites. + Fix botch that caused the second MAIL FROM: command in a single + transaction to clear the entire transaction. Problem + noted by John Kennedy of Cal State University, Chico. + Work properly on machines that have _PATH_VARTMP defined without + a trailing slash. (And a pox on vendors that decide to + ignore the established conventions!) Problem noted by + Gregory Neil Shapiro of WPI. + Internal changes to make it easier to add another protocol family + (intended for IPv6). Patches are from John Kennedy of + CSU Chico. + In certain cases, 7->8 bit MIME decoding of Base64 text could leave + an extra space at the beginning of some lines. Problem + noted by Charles Karney of Princeton University; fix based + on a patch from Christophe Wolfhugel. + Portability: + Allow _PATH_VENDOR_CF to be set in Makefile for consistency + with the _Sendmail_ book, 2nd edition. Note that + the book is actually wrong: _PATH_SENDMAILCF should + be used instead. + AIX 3.x: Include . Patch from Gene Rackow + of Argonne National Laboratory. + OpenBSD from from Paul DuBois of the University of Wisconsin. + RISC/os 4.0 from Paul DuBois of the University of Wisconsin. + SunOS: Include to fix warning from util.c. From + James Aldridge of EUnet Ltd. + Solaris: Change STDIR (location of status file) to /etc/mail + in Makefiles. + Linux, Dynix, UNICOS: Remove -DNDBM and -lgdbm from + Makefiles. Use NEWDB on Linux instead. + NCR MP-RAS 3.x with STREAMware TCP/IP: SIOCGIFNUM ioctl + exists but behaves differently than other OSes. + Add SIOCGIFNUM_IS_BROKEN compile flag to get + around the problem. Problem noted by Tom Moore of + NCR Corp. + HP-UX 9.x: fix compile warnings for old select API. Problem + noted by Tom Smith of Digital Equipment Corp. + UnixWare 2.x: compile warnings on offsetof macro. Problem + noted by Tom Good of the Community Access Information + Resource Network + SCO 4.2: compile problems caused by a change in the type of + the "length" parameters passed to accept, getpeername, + getsockname, and getsockopt. Adds new compile flags + SOCKADDR_SIZE_T and SOCKOPT_SIZE_T. Problem reported + by Tom Good of St. Vincent's North Richmond Community + Mental Health Center Residential Services. + AIX 4: Use size_t for SOCKADDR_SIZE_T and SOCKOPT_SIZE_T. + Suggested by Brett Hogden of Rochester Gas & Electric + Corp. + Linux: avoid compile problem for versions of that + #define both setjmp and longjmp. Problem pointed out + by J.R. Oldroyd of TerraNet. + CONFIG: SCO UnixWare 2.1: Support for OSTYPE(sco-uw-2.1) + from Christopher Durham of SCO. + CONFIG: NEXTSTEP: define confCW_FILE to + /etc/sendmail/sendmail.cw to match the usual + configuration. Patch from Dennis Glatting of + PlainTalk. + CONFIG: MAILER(fax) called a program that hasn't existed for a long + time. Convert to use the HylaFAX 4.0 conventions. Suggested + by Harry Styron. + CONFIG: Improve sample anti-spam rulesets in cf/cf/knecht.mc. These + are the rulesets in use on sendmail.org. + MAKEMAP: give error on GDBM files. + MAIL.LOCAL: Make error messages a bit more explicit, for example, + telling more details on what actually changed when "file + changed after open". + CONTRIB: etrn.pl: Ignore comments in Fw files. Support multiple Fw + files. + CONTRIB: passwd-to-alias.pl: Handle 8 bit characters and '-'. + NEW FILES: + src/Makefiles/Makefile.OpenBSD + src/Makefiles/Makefile.RISCos.4_0 + test/t_exclopen.c + cf/ostype/sco-uw-2.1.m4 + DELETED FILES: + Makefile + +8.8.6/8.8.6 1997/06/14 + ************************************************************* + * The extensive assistance of Gregory Neil Shapiro of WPI * + * in preparing this release is gratefully appreciated. * + * Sun Microsystems has also provided resources toward * + * continued sendmail development. * + ************************************************************* + SECURITY: A few systems allow an open with the O_EXCL|O_CREAT open + mode bits set to create a file that is a symbolic link that + points nowhere. This makes it possible to create a root + owned file in an arbitrary directory by inserting the symlink + into a writable directory after the initial lstat(2) check + determined that the file did not exist. The only verified + example of a system having these odd semantics for O_EXCL + and symbolic links was HP-UX prior to version 9.07. Most + systems do not have the problem, since a exclusive create + of a file disallows symbolic links. Systems that have been + verified to NOT have the problem include AIX 3.x, *BSD, + DEC OSF/1, HP-UX 9.07 and higher, Linux, SunOS, Solaris, + and Ultrix. This is a potential exposure on systems that + have this bug and which do not have a MAILER-DAEMON alias + pointing at a legitimate account, since this will cause old + mail to be dropped in /var/tmp/dead.letter. + SECURITY: Problems can occur on poorly managed systems, specifically, + if maps or alias files are in world writable directories. + If your system has alias maps in writable directories, it + is potentially possible for an attacker to replace the .db + (or .dir and .pag) files by symbolic links pointing at + another database; this can be used either to expose + information (e.g., by pointing an alias file at /etc/spwd.db + and probing for accounts), or as a denial-of-service attack + (by trashing the password database). The fix disallows + symbolic links entirely when rebuilding alias files or on + maps that are in writable directories, and always warns on + writable directories; 8.9 will probably consider writable + directories to be fatal errors. This does not represent an + exposure on systems that have alias files in unwritable + system directories. + SECURITY: disallow .forward or :include: files that are links (hard + or soft) if the parent directory (or any directory in the + path) is writable by anyone other than the owner. This is + similar to the previous case for user files. This change + should not affect most systems, but is necessary to prevent + an attacker who can write the directory from pointing such + files at other files that are readable only by the owner. + SECURITY: Tighten safechown rules: many systems will say that they + have a safe (restricted to root) chown even on files that + are mounted from another system that allows owners to give + away files. The new rules are very strict, trusting file + ownership only in those few cases where the system has + been verified to be at least as paranoid as necessary. + However, it is possible to relax the rules to partially + trust the ownership if the directory path is not world or + group writable. This might allow someone who has a legitimate + :include: file (referenced directly from /etc/aliases) to + become another non-root user if the :include: file is in a + non-writable directory on an NFS-mounted filesystem where + the local system says that giveaway is denied but it is + actually permitted. I believe this to be a very small set + of cases. If in doubt, do not point :include: aliases at + NFS-mounted filesystems. + SECURITY: When setting a numeric group id using the RunAsUser option + (e.g., "O RunAsUser=10:20", the group id would not be set. + Implicit group ids (e.g., "O RunAsUser=mailnull") or alpha + group ids (e.g., "O RunAsUser=mailuser:mailgrp") worked fine. + The user id was still set properly. Problem noted by Uli + Pralle of the Technical University of Berlin. + Save the initial gid set for use when checking for if the + PrivacyOptions=restrictmailq option is set. Problem reported + by Wolfgang Ley of DFN-CERT. + Make 55x reply codes to the SMTP DATA-"." be non-sticky (i.e., a + failure on one message won't affect future messages to the + same host). + IP source route printing had an "off by one" error that would + affect any options that came after the route option. Patch + from Theo de Raadt. + The "Message is too large" error didn't successfully bounce the error + back to the sender. Problem reported by Stephen More of + PSI; patch from Gregory Neil Shapiro of WPI. + Change SMTP status code 553 to map into Extended code 5.1.0 (instead + of 5.1.3); it apparently gets used in multiple ways. + Suggested by John Myers of Portola Communications. + Fix possible extra null byte generated during collection if errors + occur at the beginning of the stream. Patch contributed by + Andrey A. Chernov and Gregory Neil Shapiro. + Code changes to avoid possible reentrant call of malloc/free within + a signal handler. Problem noted by John Beck of Sun + Microsystems. + Move map initialization to be earlier so that check_relay ruleset + will have the latest version of the map data. Problem noted + by Paul Forgey of Metainfo; patch from Gregory Neil Shapiro. + If there are fatal errors during the collection phase (e.g., message + too large) don't send the bogus message. + Avoid "cannot open xfAAA00000" messages when sending to aliases that + have errors and have owner- aliases. Problem noted by Michael + Barber of MTU; fix from Gregory Neil Shapiro of WPI. + Avoid null pointer dereference on illegal Boundary= parameters in + multipart/mixed Content-Type: header. Problem noted by + Richard Muirden of RMIT University. + Always print error messages during newaliases (-bi) even if the + ErrorMode is not set to "print". Fix from Gregory Neil + Shapiro. + Test mode could core dump if you did a /map lookup in an optional map + that could not be opened. Based on a fix from John Beck of + Sun Microsystems. + If DNS is misconfigured so that the last MX record tried points to + a host that does not have an A record, but other MX records + pointed to something reasonable, don't bounce the message + with a "host unknown" error. Note that this should really + be fixed in the zone file for the domain. Problem noted by + Joe Rhett of Navigist, Inc. + If a map fails (e.g., DNS times out) on all recipient addresses, mark + the message as having been tried; otherwise the next queue + run will not realize that this is a second attempt and will + retry immediately. Problem noted by Bryan Costales of + Mercury Mail. + If the clock is set backwards, and a MinQueueAge is set, no jobs + will be run until the later setting of the clock is reached. + "Problem" (I use the term loosely) noted by Eric Hagberg of + Morgan Stanley. + If the load average rises above the cutoff threshold (above which + sendmail will not process the queue at all) during a queue + run, abort the queue run immediately. Problem noted by + Bryan Costales of Mercury Mail. + The variable queue processing algorithm (based on the message size, + number of recipients, message precedence, and job age) was + non-functional -- either the entire queue was processed or + none of the queue was processed. The updated algorithm + does no queue run if a single recipient zero size job will + not be run. + If there is a fatal ("panic") message that will cause sendmail to + die immediately, never hold the error message for future + printing. + Force ErrorMode=print in -bt mode so that all errors are printed + regardless of the setting of the ErrorMode option in the + configuration file. Patch from Gregory Neil Shapiro. + New compile flag HASSTRERROR says that this OS has the strerror(3) + routine available in one of the libraries. Use it in conf.h. + The -m (match only) flag now works on host class maps. + If class hash or btree maps are rebuilt, sendmail will now detect + this and reopen the map. Previously, they could give + erroneous results during a single message processing + (but would recover when the next message was received). + Don't delete zero length queue files when doing queue runs until the + files are at least ten minutes old. This avoids a potential + race condition: the creator creates the qf file, getting back + a file descriptor. The queue runner locks it and deletes it + because it is zero length. The creator then writes the + descriptor that is now for a disconnected file, and the + job goes away. Based on a suggestion by Bryan Costales. + When determining the "validated" host name ($_ macro), do a forward + (A) DNS lookup on the result of the PTR lookup and compare + results. If they differ or if the PTR lookup fails, tag the + address as "may be forged". + Log null connections (i.e., hosts that connect but do not do any + substantive activity on the connection before disconnecting; + "substantive" is defined to be MAIL, EXPN, VRFY, or ETRN. + Always permit "writes" to /dev/null regardless of the link count. + This is safe because /dev/null is special cased, and no open + or write is ever actually attempted. Patch from Villy Kruse + of TwinCom. + If a message cannot be sent because of a 552 (exceeded storage + allocation) response to the MAIL FROM:<>, and a SIZE= parameter + was given, don't return the body in the bounce, since there + is a very good chance that the message will double-bounce. + Fix possible line truncation if a quoted-printable had an =00 escape + in the body. Problem noted by Charles Karney of the Princeton + Plasma Physics Laboratory. + Notify flags (e.g., -NSUCCESS) were lost on user+detail addresses. + Problem noted by Kari Hurtta of the Finnish Meteorological + Institute. + The MaxDaemonChildren option wasn't applying to queue runs as + documented. Note that this increases the potential denial + of service problems with this option: an attacker can + connect many times, and thereby lock out queue runs as well + as incoming connections. If you use this option, you should + run the "sendmail -bd" and "sendmail -q30m" jobs separately + to avoid this attack. Failure to limit noted by Matthew + Dillon of BEST Internet Communications. + Always give a message in newaliases if alias files cannot be + opened instead of failing silently. Suggested by Gregory + Neil Shapiro. This change makes the code match the O'Reilly + book (2nd edition). + Some older versions of the resolver could return with h_errno == -1 + if no name server could be reached, causing mail to bounce + instead of queueing. Treat this like TRY_AGAIN. Fix from + John Beck of SunSoft. + If a :include: file is owned by a user that does not have an entry + in the passwd file, sendmail could dereference a null pointer. + Problem noted by Satish Mynam of Sun Microsystems. + Take precautions to make sure that the SMTP protocol cannot get out + of sync if (for example) an alias file cannot be opened. + Fix a possible race condition that can cause a SIGALRM to come in + immediately after a SIGHUP, causing the new sendmail to die. + Avoid possible hang on SVr3 systems when doing child reaping. Patch + from Villy Kruse of TwinCom. + Ignore improperly formatted SMTP reply codes. Previously these were + partially processed, which could cause confusing error + returns. + Fix possible bogus pointer dereference when doing ldapx map lookups + on some architectures. + Portability: + A/UX: from Jim Jagielski of NASA/GSFC. + glibc: SOCK_STREAM was changed from a #define to an enum, + thus breaking #ifdef SOCK_STREAM. Only option seems + to be to assume SOCK_STREAM if __GNU_LIBRARY__ is + defined. Problem reported by A Sun of the University + of Washington. + Solaris: use SIOCGIFNUM to get the number of interfaces on + the system rather than guessing at compile time. + Patch contributed by John Beck of Sun Microsystems. + Intel Paragon: from Wendy Lin of Purdue University. + GNU Hurd: from Miles Bader of the GNU project. + RISC/os 4.50 from Harlan Stenn of PFCS Corporation. + ISC Unix: wait never returns if SIGCLD signals are blocked. + Unfortunately releasing them opens a race condition, + but there appears to be no fix for this. Patch from + Gregory Neil Shapiro. + BIND 8.1 for IPv6 compatibility from John Kennedy. + Solaris: a bug in strcasecmp caused characters with the + high order bit set to apparently randomly match + letters -- for example, $| (0233) matches "i" and "I". + Problem noted by John Gregson of the University of + Cambridge. + IRIX 6.x: make Makefile.IRIX.6.2 apply to all 6.x. From + Kari Hurtta. + IRIX 6.x: Create Makefiles for systems that claim to be + IRIX64 but are 6.2 or higher (so use the regular + IRIX Makefile). + IRIX 6.x: Fix load average computation on 64 bit kernels. + Problem noted by Eric Hagberg of Morgan Stanley. + CONFIG: Some canonification was still done for UUCP-like addresses + even if FEATURE(nocanonify) was set. Problem pointed out by + Brian Candler. + CONFIG: In some cases UUCP mailers wouldn't properly recognize all + local names as local. Problem noted by Jeff Polk of BSDI; + fix provided by Gregory Neil Shapiro. + CONFIG: The "local:user" syntax entries in mailertables and other + "mailer:user" syntax locations returned an incorrect value + for the $h macro. Problem noted by Gregory Neil Shapiro. + CONFIG: Retain "+detail" information when forwarding mail to a + MAIL_HUB, LUSER_RELAY, or LOCAL_RELAY. Patch from Philip + Guenther of Gustavus Adolphus College. + CONFIG: Make sure user+detail works for FEATURE(virtusertable); + rules are the same as for aliasing. Based on a patch from + Gregory Neil Shapiro. + CONFIG: Break up parsing rules into several pieces; this should + have no functional change in this release, but makes it + possible to have better anti-spam rulesets in the future. + CONFIG: Disallow double dots in host names to avoid having the + HostStatusDirectory store status under the wrong name. + In some cases this can be used as a denial-of-service attack. + Problem noted by Ron Jarrell of Virginia Tech, patch from + Gregory Neil Shapiro. + CONFIG: Don't use F=m (multiple recipients per invocation) for + MAILER(procmail), but do pass F=Pn9 (include Return-Path:, + don't include From_, and convert to 8-bit). Suggestions + from Kimmo Suominen and Roderick Schertler. + CONFIG: Domains under $=M (specified with MASQUERADE_DOMAIN) were + being masqueraded as though FEATURE(masquerade_entire_domain) + was specified, even when it wasn't. + MAIL.LOCAL: Solaris 2.6 has snprintf. From John Beck of SunSoft. + MAIL.LOCAL: SECURITY: check to make sure that an attacker doesn't + "slip in" a symbolic link between the lstat(2) call and the + exclusive open. This is only a problem on System V derived + systems that allow an exclusive create on files that are + symbolic links pointing nowhere. + MAIL.LOCAL: If the final mailbox close() failed, the user id was + not reset back to root, which on some systems would cause + later mailboxes to fail. Also, any partial message would + not be truncated, which could result in repeated deliveries. + Problem noted by Bruce Evans via Peter Wemm (FreeBSD + developers). + MAKEMAP: Handle cases where O_EXLOCK is #defined to be 0. A similar + change to the sendmail map code was made in 8.8.3. Problem + noted by Gregory Neil Shapiro. + MAKEMAP: Give warnings on file problems such as map files that are + symbolic links; although makemap is not set-user-ID root, it is + often run as root and hence has the potential for the same + sorts of problems as alias rebuilds. + MAKEMAP: Change compilation so that it will link properly on + NEXTSTEP. + CONTRIB: etrn.pl: search for Cw as well as Fw lines in sendmail.cf. + Accept an optional list of arguments following the server + name for the ETRN arguments to use (instead of $=w). Other + miscellaneous bug fixes. From Christian von Roques via + John Beck of Sun Microsystems. + CONTRIB: Add passwd-to-alias.pl, contributed by Kari Hurtta. This + Perl script converts GECOS information in the /etc/passwd + file into aliases, allowing for faster access to full name + lookups; it is also clever about adding aliases (to root) + for system accounts. + NEW FILES: + src/safefile.c + cf/ostype/gnuhurd.m4 + cf/ostype/irix6.m4 + contrib/passwd-to-alias.pl + src/Makefiles/Makefile.IRIX64.6.1 + src/Makefiles/Makefile.IRIX64.6.x + RENAMED FILES: + src/Makefiles/Makefile.IRIX.6.2 => Makefile.IRIX.6.x + src/Makefiles/Makefile.IRIX64 => Makefile.IRIX64.6.0 + +8.8.5/8.8.5 1997/01/21 + SECURITY: Clear out group list during startup. Without this, sendmail + will continue to run with the group permissions of the caller, + even if RunAsUser is specified. + SECURITY: Make purgestat (-bH) be root-only. This is not in response + to any known attack, but it's best to be conservative. + Suggested by Peter Wemm of DIALix. + SECURITY: Fix buffer overrun problem in MIME code that has possible + security implications. Patch from Alex Garthwaite of the + University of Pennsylvania. + Use of a -f flag with a phrase attached (e.g., "-f 'Full Name '") + would truncate the address after "Full". Although the -f + syntax is incorrect (since it is in the envelope, it + shouldn't have comments and full names), the failure mode + was unnecessarily awful. + Fix a possible null pointer dereference when converting 8-bit data + to a 7-bit format. Problem noted by Jim Hutchins of + Sandia National Labs and David James of British Telecom. + Clear out stale state that affected F=9 on SMTP mailers in queue + runs. Although this really shouldn't be used (F=9 is for + final delivery only, and using it on an SMTP mailer makes + it possible for a message to be converted from 8->7->8->7 + bits several times), it shouldn't have failed with a syserr. + Problem noted by Eric Hagberg of Morgan Stanley. + _Really_ fix the multiple :maildrop code in the user database + module. Patch from Roy Mongiovi of Georgia Tech. + Let F lines in the configuration file actually read root-only + files if the configuration file is safe. Based on a + patch from Keith Reynolds of SCO. + ETRN followed by QUIT would hold the connection open until the queue + run completed. Problem noted by Truck Lewis of TDK + Semiconductor Corp. + It turns out that despite the documentation, the TCP wrappers library + does _not_ log rejected connections. Do the logging ourselves. + Problem noted by Fletcher Mattox of the University of Texas + at Austin. + If sendmail finds a qf file in its queue directory that is an unknown + version (e.g., when backing out to an old version), the + error is reported on every queue run. Change it to only + give the error once (and rename the qf => Qf). Patch from + William A. Gianopoulos of Raytheon Company. + Start a new session when doing background delivery; currently it + ignored signals but didn't start a new signal, that caused + some problems if a background process tried to send mail + under certain circumstances. Problem noted by Eric Hagberg + of Morgan Stanley; fix from Kari Hurtta. + Simplify test for skipping a queue run to just check if the current + load average is >= the queueing load average. Previously + the check factored in some other parameters that caused it + to essentially never skip the queue run. Patch from Bryan + Costales. + If the SMTP server is running in "nullserver" mode (that is, it is + rejecting all commands), start sleeping after MAXBADCOMMAND + (25) commands; this helps prevent a bad guy from putting + you into a tight loop as a denial-of-service attack. Based + on an e-mail conversation with Brad Knowles of AOL. + Slow down when too many "light weight" commands have been issued; + this helps prevent a class of denial-of-service attacks. + The current values and defaults are: + MAXNOOPCOMMANDS 20 NOOP, VERB, ONEX, XUSR + MAXHELOCOMMANDS 3 HELO, EHLO + MAXVRFYCOMMANDS 6 VRFY, EXPN + MAXETRNCOMMANDS 8 ETRN + These will probably be configurable in a future release. + On systems that have uid_t typedefed to be an unsigned short, programs + that had the F=S flag and no U= equate would be invoked with + the real uid set to 65535 rather than being left unchanged. + In some cases, NOTIFY=NEVER was not being honored. Problem noted + by Steve Hubert of the University of Washington, Seattle. + Mail that was Quoted-Printable encoded and had a soft line break on + the last line (i.e., an incomplete continuation) had the last + line dropped. Since this appears to be illegal it isn't + clear what to do with it, but flushing the last line seems + to be a better "fail soft" approach. Based on a patch from + Eric Hagberg. + If AllowBogusHELO and PrivacyOptions=needmailhelo are both set, a + bogus HELO command still causes the "Polite people say HELO + first" error message. Problem pointed out by Chris Thomas + of UCLA; patch from John Beck of SunSoft. + Handle "sendmail -bp -qSfoobar" properly if restrictqrun is set + in PrivacyOptions. The -q shouldn't turn this command off. + Problem noted by Murray Kucherawy of Pacific Bell Internet; + based on a patch from Gregory Neil Shapiro of WPI. + Don't consider SMTP reply codes 452 or 552 (exceeded storage allocation) + in a DATA transaction to be sticky; these can occur because + a message is too large, and smaller messages should still go + through. Problem noted by Matt Dillon of Best Internet + Communications. + In some cases bounces were saved in /var/tmp/dead.letter even if they + had been successfully delivered to the envelope sender. + Problem noted Eric Hagberg of Morgan Stanley; solution from + Gregory Neil Shapiro of WPI. + Give better diagnostics on long alias lines. Based on code contributed + by Patrick Gosling of the University of Cambridge. + Increase the number of virtual interfaces that will be probed for + alternate names. Problem noted by Amy Rich of Shore.Net. + PORTABILITY: + UXP/DS V20L10 for Fujitsu DS/90: Makefile patches from + Toshiaki Nomura of Fujitsu Limited. + SunOS with LDAP support: compile problems with struct timeval. + Patch from Nick Cuccia of TCSI Corporation. + SCO: from Keith Reynolds of SCO. + Solaris: kstat load average computation wasn't being used. + Fixes from Michael Ju. Tokarev of Telecom Service, JSC + (Moscow). + OpenBSD: from Jason Downs of teeny.org. + Altos System V: from Tim Rice. + Solaris 2.5: from Alan Perry of SunSoft. + Solaris 2.6: from John Beck of SunSoft. + Harris Nighthawk PowerUX (mh6000 box): from Bob Miorelli + of Pratt & Whitney . + CONFIG: It seems that I hadn't gotten the Received: line syntax + _just_right_ yet. Tweak it again. I'll omit the names + of the "contributors" (quantity two) in this one case. + As of now, NO MORE DISCUSSION about the syntax of the + Received: line. + CONFIG: Although FEATURE(nullclient) uses EXPOSED_USER (class $=E), + it never inserts that class into the output file. Fix it + so it will honor EXPOSED_USER but will _not_ include root + automatically in this class. Problem noted by Ronan KERYELL + of Centre de Recherche en Informatique de l'École Nationale + Supérieure des Mines de Paris (CRI-ENSMP). + CONFIG: Clean up handling of "local:" syntax in relay specifications + such as LUSER_RELAY. This change permits the following + syntaxes: ``local:'' will send to the same user on the + local machine (e.g., in a mailertable entry for "host", + ``local:'' will cause an address addressed to user@host to + go to user on the local machone). ``local:user'' will send + to the named user on the local machine. ``local:user@host'' + is equivalent to ``local:user'' (the host is ignored). In + all cases, the original user@host is passed in $@ (i.e., the + detail information). Inspired by a report from Michael Fuhr. + CONFIG: Strip quotes from the first word of an "error:" host + indication. This lets you set (for example) the LUSER_RELAY + to be ``error:\"5.1.1\" Your Message Here''. Note the use + of the \" so that the resulting string is properly quoted. + Problem noted by Gregory Neil Shapiro of WPI. + OP.ME: documentation was inconsistent about whether sendmail did a + NOOP or a RSET to probe the connection (it does a RSET). + Inconsistency noted by Deeran Peethamparam. + OP.ME: insert additional blank pages so it will print properly on + a duplex printer. From Matthew Black of Cal State University, + Long Beach. + +8.8.4/8.8.4 1996/12/02 + SECURITY: under some circumstances, an attacker could get additional + permissions by hard linking to files that were group + writable by the attacker. The solution is to disallow any + files that have hard links -- this will affect .forward, + :include:, and output files. Problem noted by Terry + Kyriacopoulos of Interlog Internet Services. As a + workaround, set UnsafeGroupWrites -- always a good idea. + SECURITY: the TryNullMXList (w) option should not be safe -- if it + is, it is possible to do a denial-of-service attack on + MX hosts that rely on the use of the null MX list. There + is no danger if you have this option turned off (the default). + Problem noted by Dan Bernstein. Also, make the DontInitGroups + unsafe. I know of no specific attack against this, although + a denial-of-service attack is probably possible, but in theory + you should not be able to safely tweak anything that affects + the permissions that are used when mail is delivered. + Purgestat could go into an infinite loop if one of the host status + directories somehow became empty. Problem noted by Roy + Mongiovi of Georgia Tech. + Processes got "lost" when counting children due to a race condition. + This caused "proc_list_probe: lost pid" messages to be logged. + Problem noted by several people. + On systems with System V SIGCLD child signal semantics (notably AIX + and HP-UX), mail transactions would print the message "451 + SMTP-MAIL: lost child: No child processes". Problem noted + by several people. + Miscellaneous compiler warnings on picky compilers (or when setting + gcc to high warning levels). From Tom Moore of NCR Corp. + SMTP protocol errors, and most errors on MAIL FROM: lines should + not be persistent between runs, since they are based on the + message rather than the host. Problem noted by Matt Dillon + of Best Internet Communications. + The F=7 flag was ignored on SMTP mailers. Problem noted by Tom Moore + of NCR (a.k.a., AT&T Global Information Solutions). + Avoid the possibility of having a child daemon run to completion + (including closing the SMTP socket) before the parent has + had a chance to close the socket; this can cause the parent + to hang for a long time waiting for the socket to drain. + Patch from Don Lewis of TDK Semiconductor. + If the fork() failed in a queue run, the queue runners would not be + rescheduled (so queue runs would stop). Patch from Don Lewis. + Some error conditions in ETRN could cause output without an SMTP + status code. Problem noted by Don Lewis. + Multiple :maildrop addresses in the user database didn't work properly. + Patch from Roy Mongiovi of Georgia Tech. + Add ".db" automatically onto any user database spec that does not + already have it; this is for consistency with makemap, the + K line, and the documentation. Inconsistency pointed out + by Roy Mongiovi. + Allow sendmail to be properly called in nohup mode. Patch from + Kyle Jones of UUNET. + Change ETRN to ignore but still update host status files; previously + it would ignore them and not save the updated status, which + caused stale information to be maintained. Based on a patch + from Christopher Davis of Kapor Enterprises Inc. Also, have + ETRN ignore the MinQueueAge option. + Patch long term host status to recover more gracefully from an empty + host status file condition. Patch from NAKAMURA Motonori + of Kyoto University. + Several patches to signal handling code to fix potential race + conditions from Don Lewis. + Make it possible to compile with -DDAEMON=0 (previously it had some + compile errors). This turns DAEMON, QUEUE, and SMTP into + 0/1 compilation flags. Note that DAEMON is an obsolete + compile flag; use NETINET instead. Solution based on a + patch from Bryan Costales. + PORTABILITY FIXES: + AIX4: getpwnam() and getpwuid() do a sequential scan of the + /etc/security/passwd file when called as root. This + is very slow on some systems. To speed it up, use the + (undocumented) _getpw{nam,uid}_shadow() routines. + Patch from Chris Thomas of UCLA/OAC Systems Group. + SCO 5.x: include -lprot in the Makefile. Patch from Bill + Glicker of Burrelle's Information Service. + NEWS-OS 4.x: need a definition for MODE_T to compile. Patch + from Makoto MATSUSHITA of Osaka University. + SunOS 4.0.3: compile problems. Patches from Andrew Cole of + Leeds University and SASABE Tetsuro of the University + of Tokyo. + DG/UX 5.4.4.11 from Brian J. Murrell of InterLinx Support + Services, Inc. + Domain/OS from Don (Truck) Lewis of TDK Semiconductor Corp. + I believe this to have only been a problem if you + compiled with -DUSE_VENDOR_CF_PATH -- another reason + to stick with /etc/sendmail.cf as your One True Path. + Digital UNIX (OSF/1 on Alpha) load average computation from + Martin Laubach of the Technischen Universität Wien. + CONFIG: change default Received: line to be multiple lines rather + than one long one. By popular demand. + MAIL.LOCAL: warnings weren't being logged on some systems. Patch + from Jerome Berkman of U.C. Berkeley. + MAKEMAP: be sure to zero hinfo to avoid cruft that can cause runs + to take a very long time. Problem noted by Yoshiro YONEYA + of NTT Software Corporation. + CONTRIB: add etrn.pl, contributed by John Beck. + NEW FILES: + contrib/etrn.pl + +8.8.3/8.8.3 1996/11/17 + SECURITY: it was possible to get a root shell by lying to sendmail + about argv[0] and then sending it a signal. Problem noted + by Leshka Zakharoff on the + best-of-security list. + Log sendmail binary version number in "Warning: .cf version level + (%d) exceeds program functionality (%d) message" -- this + should make it clearer to people that they are running + the wrong binary. + Fix a problem that occurs when you open an SMTP connection and then + do one or more ETRN commands followed by a MAIL command; at + the end of the DATA phase sendmail would incorrectly report + "451 SMTP-MAIL: lost child: No child processes". Problem + noted by Eric Bishop of Virginia Tech. + When doing text-based host canonification (typically /etc/hosts + lookup), a null host name would match any /etc/hosts entry + with space at the end of the line. Problem noted by Steve + Hubert of the University of Washington, Seattle. + 7 to 8 bit BASE64 MIME conversions could duplicate bits of text. + Problem reported by Tom Smith of Digital Equipment Corp. + Increase the size of the DNS answer buffer -- the standard UDP packet + size PACKETSZ (512) is not sufficient for some nameserver + answers containing very many resource records. The resolver + may also switch to TCP and retry if it detects UDP packet + overflow. Also, allow for the fact that the resolver + routines res_query and res_search return the size of the + *un*truncated answer in case the supplied answer buffer it + not big enough to accommodate the entire answer. Patch from + Eric Wassenaar. + Improvements to MaxDaemonChildren code. If you think you have too + many children, probe the ones you have to verify that they + are still around. Suggested by Jared Mauch of CICnet, Inc. + Also, do this probe before growing the vector of children + pids; this previously caused the vector to grow indefinitely + due to a race condition. Problem reported by Kyle Jones of + UUNET. + On some architectures, (from the Berkeley DB library) defines + O_EXLOCK to zero; this fools the map compilation code into + thinking that it can avoid race conditions by locking on open. + Change it to check for O_EXLOCK non-zero. Problem noted by + Leif Erlingsson of Data Lege. + Always call res_init() on startup (if compiled in, of course) to + allow the sendmail.cf file to tweak resolver flags; without + it, flag tweaks in ResolverOptions are ignored. Patch from + Andrew Sun of Merrill Lynch. + Improvements to host status printing code. Suggested by Steve Hubert + of the University of Washington, Seattle. + Change MinQueueAge option processing to do the check for the job age + when reading the queue file, rather than at the end; this + avoids parsing the addresses, which can do DNS lookups. + Problem noted by John Beck of InReference, Inc. + When MIME was being 7->8 bit decoded, "From " lines weren't being + properly escaped. Problem noted by Peter Nilsson of the + University of Linkoping. + In some cases, sendmail would retain root permissions during queue + runs even if RunAsUser was set. Problem noted by Mark + Thomas of Mark G. Thomas Consulting. + If the F=l flag was set on an SMTP mailer to indicate that it is + actually local delivery, and NOTIFY=SUCCESS is specified in + the envelope, and the receiving SMTP server speaks DSN, then + the DSN would be both generated locally and propagated to the + other end. + The U= mailer field didn't correctly extract the group id if the + user id was numeric. Problem noted by Kenneth Herron of + MCI Telecommunications Communications. + If a message exceeded the fixed maximum size on input, the body of + the message was included in the bounce. Note that this did + not occur if it exceeded the maximum _output_ size. Problem + reported by Kyle Jones of UUNET. + PORTABILITY FIXES: + AIX4: 4.1 doesn't have a working setreuid(2); change the + AIX4 defines to use seteuid(2) instead, which + works on 4.1 as well as 4.2. Problem noted by + Håkan Lindholm of interAF, Sweden. + AIX4: use tzname[] vector to determine time zone name. + Patch from NAKAMURA Motonori of Kyoto University. + MkLinux: add Makefile.Linux.ppc and OSTYPE(mklinux) support. + Contributed by Paul DuBois . + Solaris: kstat(3k) support for retrieving the load average. + This adds the LA_KSTAT definition for LA_TYPE. + The outline of the implementation was contributed + by Michael Tokarev of Telecom Service, JSC, Moscow. + HP-UX 10.0 gripes about the (perfectly legal!) forward + declaration of struct rusage at the top of conf.h; + change it to only be included if you are using gcc, + which is apparently the only compiler that requires + it in the first place. Problem noted by Jeff + Earickson of Colby College. + IRIX: don't default to using gcc. IRIX is a civilized + operating system that comes with a decent compiler + by default. Problem noted by Barry Bouwsma and + Kari Hurtta. + CONFIG: specify F=9 as default in FEATURE(local_procmail) for + consistency with other local mailers. Inconsistency + pointed out by Teddy Hogeborn . + CONFIG: if the "limited best mx" feature is used (to reduce DNS + overhead) as part of the bestmx_is_local feature, the + domain part was dropped from the name. Patch from Steve + Hubert of the University of Washington, Seattle. + CONFIG: catch addresses of the form "user@.dom.ain"; these could + end up being translated to the null host name, which would + return any entry in /etc/hosts that had a space at the end + of the line. Problem noted by Steve Hubert of the + University of Washington, Seattle. + CONFIG: add OSTYPE(aix4). From Michael Sofka of Rensselaer + Polytechnic Institute. + MAKEMAP: tweak hash and btree parameters for better performance. + Patch from Matt Dillon of Best Internet Communications. + NEW FILES: + src/Makefiles/Makefile.Linux.ppc + cf/ostype/aix4.m4 + cf/ostype/mklinux.m4 + +8.8.2/8.8.2 1996/10/18 + SECURITY: fix a botch in the 7-bit MIME patch; the previous patch + changed the code but didn't fix the problem. + PORTABILITY FIXES: + Solaris: Don't use the system getusershell(3); it can + apparently corrupt the heap in some circumstances. + Problem found by Ken Pizzini of Spry, Inc. + OP.ME: document several mailer flags that were accidentally omitted + from this document. These flags were F=d, F=j, F=R, and F=9. + CONFIG: no changes. + +8.8.1/8.8.1 1996/10/17 + SECURITY: unset all environment variables that the resolver will + examine during queue runs and daemon mode. Problem noted + by Dan Bernstein of the University of Illinois at Chicago. + SECURITY: in some cases an illegal 7-bit MIME-encoded text/plain + message could overflow a buffer if it was converted back + to 8 bits. This caused core dumps and has the potential + for a remote attack. Problem first noted by Gregory Shapiro + of WPI. + Avoid duplicate deliveries of error messages on systems that don't + have flock(2) support. Patch from Motonori Nakamura of + Kyoto University. + Ignore null FallBackMX (V) options. If this option is null (as + opposed to undefined) it can cause "null signature" syserrs + on illegal host names. + If a Base64 encoded text/plain message has no trailing newline in + the encoded text, conversion back to 8 bits will drop the + final line. Problem noted by Pierre David. + If running with a RunAsUser, sendmail would give bogus "cannot + setuid" (or seteuid, or setreuid) messages on some systems. + Problem pointed out by Jordan Mendelson of Web Services, Inc. + Always print error messages in -bv mode -- previously, -bv would + be absolutely silent on errors if the error mode was sent + to (say) mail-back. Problem noted by Kyle Jones of UUNET. + If -qI/R/S is set (or the ETRN command is used), ignore all long + term host status. This is necessary because it is common + to do this when you know a host has just come back up. + Disallow duplicate HELO/EHLO commands as required by RFC 1651 section + 4.2. Excessive permissiveness noted by Lee Flight of the + University of Leicester. + If a service (such as NIS) is specified as the last entry in the + service switch, but that service is not compiled in, sendmail + would return a temporary failure when an entry was not found + in the map. This caused the message to be queued instead of + bouncing immediately. Problem noted by Harry Edmon of the + University of Washington. + PORTABILITY FIXES: + Solaris 2.3 had compilation problems in conf.c. Several + people pointed this out. + NetBSD from Charles Hannum of MIT. + AIX4 improvements based on info from Steve Bauer of South + Dakota School of Mines & Technology. + CONFIG: ``error:code message'' syntax was broken in virtusertable. + Patch from Gil Kloepfer Jr. + CONFIG: if FEATURE(nocanonify) was specified, hosts in $=M (set + using MASQUERADE_DOMAIN) were not masqueraded unless they + were also in $=w. Problem noted by Zoltan Basti of + Softec. + MAIL.LOCAL: patches to compile and link cleanly on AIX. Based + on a patch from Eric Hagberg of Morgan Stanley. + MAIL.LOCAL: patches to compile on NEXTSTEP. From Patrick Nolan + of Stanford via Robert La Ferla. + +8.8.0/8.8.0 1996/09/26 + Under some circumstances, Bcc: headers would not be properly + deleted. Pointed out by Jonathan Kamens of OpenVision. + Log a warning if the sendmail daemon is invoked without a full + pathname, which prevents "kill -1" from working. I was + urged to put this in by Andrey A. Chernov of DEMOS (Russia). + Fix small buffer overflow. Since the data in this buffer was not + read externally, there was no security problem (and in fact + probably wouldn't really overflow on most compilers). Pointed + out by KIZU takashi of Osaka University. + Fix problem causing domain literals such as [1.2.3.4] to be ignored + if a FallbackMXHost was specified in the configuration file + -- all mail would be sent to the fallback even if the original + host was accessible. Pointed out by Munenari Hirayama of + NSC (Japan). + A message that didn't terminate with a newline would (sometimes) not + have the trailing "." added properly in the SMTP dialogue, + causing SMTP to hang. Patch from Per Hedeland of Ericsson. + The DaemonPortOptions suboption to bind to a particular address was + incorrect and nonfunctional due to a misunderstanding of the + semantics of binding on a passive socket. Patch from + NIIBE Yutaka of Mitsubishi Research Institute. + Increase the number of MX hosts for a single name to 100 to better + handle the truly huge service providers such as AOL, which + has 13 at the moment (and climbing). In order to avoid + trashing memory, the buffer for all names has only been + slightly increased in size, to 12.8K from 10.2K -- this means + that if a single name had 100 MX records, the average size + of those records could not exceed 128 bytes. Requested by + Brad Knowles of America On Line. + Restore use of IDENT returns where the OSTYPE field equals "OTHER". + Urged by Dan Bernstein of U.C. Berkeley. + Print q_statdate and q_specificity in address structure debugging + printout. + Expand MCI structure flag bits for debugging output. + Support IPv6-style domain literals, which can have colons between + square braces. + Log open file descriptors for the "cannot dup" messages in deliver(); + this is an attempt to track down a bug that one person seems + to be having (it may be a Solaris bug!). + DSN NOTIFY parameters were not properly propagated across queue runs; + this caused the NOTIFY info to sometimes be lost. Problem + pointed out by Claus Assmann of the + Christian-Albrechts-University of Kiel. + The statistics gathered in the sendmail.st file were too high; in + some cases failures (e.g., user unknown or temporary failure) + would count as a delivery as far as the statistics were + concerned. Problem noted by Tom Moore of AT&T GIS. + Systems that don't have flock() would not send split envelopes in + the initial run. Problem pointed out by Leonard Zubkoff of + Dandelion Digital. + Move buffer overflow checking -- these primarily involve distrusting + results that may come from NIS and DNS. + 4.4-BSD-derived systems, including FreeBSD, NetBSD, and BSD/OS didn't + include and hence had the wrong pathnames for a few + things like /var/tmp. Reported by Matthew Green. + Conditions were reversed for the Priority: header, resulting in all + values being interpreted as non-urgent except for non-urgent, + which was interpreted as normal. Patch from Bryan Costales. + The -o (optional) flag was being ignored on hash and btree maps + since 8.7.2. Fix from Bryan Costales. + Content-Types listed in class "q" will always be encoded as + Quoted-Printable (or more accurately, will never be encoded + as base64). The class can have primary types (e.g., "text") + or full types (e.g., "text/plain"). Based on a suggestion by + Marius Olafsson of the University of Iceland. + Define ${envid} to be the original envelope id (from the ESMTP DSN + dialogue) so it can be passed to programs in mailers. + Define ${bodytype} to be the body type (from the -B flag or the + BODY= ESMTP parameter) so it can be passed to programs in + mailers. + Cause the VRFY command to return 252 instead of 250 unless the F=q + flag is set in the mailer descriptor. Suggested by John + Myers of CMU. + Implement ESMTP ETRN command to flush the queue for a specific host. + The command takes a host name; data for that host is + immediately (and asynchronously) flushed. Because this shares + the -qR implementation, other hosts may be attempted, but + there should be no security implications. Implementation + from John Beck of InReference, Inc. See RFC 1985 for details. + Add three new command line flags to pass in DSN parameters: -V envid + (equivalent to ENVID=envid on the MAIL command), -R ret + (equivalent to RET=ret on the MAIL command), and -Nnotify + (equivalent to NOTIFY=notify on the RCPT command). Note + that the -N flag applies to all recipients; there is no way + to specify per-address notifications on the command line, + nor is there an equivalent for the ORCPT= per-address + parameter. + Restore LogLevel option to be safe (it can only be increased); + apparently I went into paranoid mode between 8.6 and 8.7 + and made it unsafe. Pointed out by Dabe Murphy of the + University of Maryland. + New logging on log level 15: all SMTP traffic. Patches from + Andrew Gross of San Diego Supercomputer Center. + NetInfo property value searching code wasn't stopping when it found + a match. This was causing the wrong values to be found (and + had a memory leak). Found by Bastian Schleuter of TU-Berlin. + Add new F=0 (zero) mailer flag to turn off MX lookups. It was pointed + out by Bill Wisner of Electronics for Imaging that you can't + use the bracket address form for the MAIL_HUB macro, since + that causes the brackets to remain in the envelope recipient + address used for delivery. The simple fix (stripping off the + brackets in the config file) breaks the use of IP literal + addresses. This flag will solve that problem. + Add MustQuoteChars option. This is a list of characters that must + be quoted if they are found in the phrase part of an address + (that is, the full name part). The characters @,;:\()[] are + always in this list and cannot be removed. The default is + this list plus . and ' to match RFC 822. + Add AllowBogusHELO option; if set, sendmail will allow HELO commands + that do not include a host name for back compatibility with + some stupid SMTP clients. Setting this violates RFC 1123 + section 5.2.5. + Add MaxDaemonChildren option; if this is set, sendmail will start + rejecting connections if it has more than this many + outstanding children accepting mail. Note that you may + see more processes than this because of outgoing mail; this + is for incoming connections only. + Add ConnectionRateThrottle option. If set to a positive value, the + number of incoming SMTP connections that will be permitted + in a single second is limited to this number. Connections are + not refused during this time, just deferred. The intent is to + flatten out demand so that load average limiting can kick in. + It is less radical than MaxDaemonChildren, which will stop + accepting connections even if all the connections are idle + (e.g., due to connection caching). + Add Timeout.hoststatus option. This interval (defaulting to 30m) + specifies how long cached information about the state of a + host will be kept before they are considered stale and the + host is retried. If you are using persistent host status + (i.e., the HostStatusDirectory option is set) this will apply + between runs; otherwise, it applies only within a single queue + run and hence is useful only for hosts that have large queues + that take a very long time to run. + Add SingleLineFromHeader option. If set, From: headers are coerced + into being a single line even if they had newlines in them + when read. This is to get around a botch in Lotus Notes. + Text class maps were totally broken -- if you ever retrieved the last + item in a table it would be truncated. Problem noted by + Gregory Neil Shapiro of WPI. + Extend the lines printed by the mailq command (== the -bp flag) when + -v is given to 120 characters; this allows more information + to be displayed. Suggested by Gregory Neil Shapiro of WPI. + Allow macro definitions (`D' lines) with unquoted commas; previously + this was treated as end-of-input. Problem noted by Bryan + Costales. + The RET= envelope parameter (used for DSNs) wasn't properly written + to the queue file. Fix from John Hughes of Atlantic + Technologies, Inc. + Close /var/tmp/dead.letter after a successful write -- otherwise + if this happens in a queue run it can cause nasty delays. + Problem noted by Mark Horton of AT&T. + If userdb entries pointed to userdb entries, and there were multiple + values for a given key, the database cursor would get + trashed by the recursive call. Problem noted by Roy Mongiovi + of Georgia Tech. Fixed by reading all the values and creating + a comma-separated list; thus, the -v output will be somewhat + different for this case. + Fix buffer allocation problem with Hesiod-based userdb maps when + HES_GETMAILHOST is defined. Based on a patch by Betty Lee + of Stanford University. + When envelopes were split due to aliases with owner- aliases, and + there was some error on one of the lists, more than one of + the owners would get the message. Problem pointed out by + Roy Mongiovi of Georgia Tech. + Detect excessive recursion in macro expansions, e.g., $X defined + in terms of $Y which is defined in terms of $X. Problem + noted by Bryan Costales; patch from Eric Wassenaar. + When using F=U to get "ugly UUCP" From_ lines, a buffer could in + some cases get trashed causing bogus From_ lines. Fix from + Kyle Jones of UUNET. + When doing load average initialization, if the nlist call for avenrun + failed, the second and subsequent lookups wouldn't notice + that fact causing bogus load averages to be returned. Noted + by Casper Dik of Sun Holland. + Fix problem with incompatibility with some versions of inet_aton that + have changed the return value to unsigned, so a check for an + error return of -1 doesn't work. Use INADDR_NONE instead. + This could cause mail to addresses such as [foo.com] to bounce + or get dropped. Problem noted by Christophe Wolfhugel of the + Pasteur Institute. + DSNs were inconsistent if a failure occurred during the DATA phase + rather than the RCPT phase: the Action: would be correct, but + the detailed status information would be wrong. Problem noted + by Bob Snyder of General Electric Company. + Add -U command line flag and the XUSR ESMTP extension, both indicating + that this is the initial MUA->MTA submission. The flag current + does nothing, but in future releases (when MUAs start using + these flags) it will probably turn on things like DNS + canonification. + Default end-of-line string (E= specification on mailer [M] lines) + to \r\n on SMTP mailers. Default remains \n on non-SMTP + mailers. + Change the internal definition for the *file* and *include* mailers + to have $u in the argument vectors so that they aren't + misinterpreted as SMTP mailers and thus use \r\n line + termination. This will affect anyone who has redefined + either of these in their configuration file. + Don't assume that IDENT servers close the connection after a query; + responses can be newline terminated. From Terry Kennedy of + St. Peter's College. + Avoid core dumps on erroneous configuration files that have + $#mailer with nothing following. From Bryan Costales. + Avoid null pointer dereference with high debug values in unlockqueue. + Fix from Randy Martin of Clemson University. + Fix possible buffer overrun when expanding very large macros. Fix + from Kyle Jones of UUNET. + After 25 EXPN or VRFY commands, start pausing for a second before + processing each one. This avoids a certain form of denial + of service attack. Potential attack pointed out by Bryan + Costales. + Allow new named (not numbered!) config file rules to do validity + checking on SMTP arguments: check_mail for MAIL commands and + check_rcpt for RCPT commands. These rulesets can do anything + they want; their result is ignored unless they resolve to the + $#error mailer, in which case the indicated message is printed + and the command is rejected. Similarly, the check_compat + ruleset is called before delivery with "from_addr $| to_addr" + (the $| is a meta-symbol used to separate the two addresses); + it can give a "this sender can't send to this recipient" + notification. Note that this patch allows $| to stand alone + in rulesets. + Define new macros ${client_name}, ${client_addr}, and ${client_port} + that have the name, IP address, and port number (respectively) + of the SMTP client (that is, the entity at the other end of + the connection. These can be used in (e.g.) check_rcpt to + verify that someone isn't trying to relay mail through your + host inappropriately. Be sure to use the deferred evaluation + form, for example $&{client_name}, to avoid having these bound + when sendmail reads the configuration file. + Add new config file rule check_relay to check the incoming connection + information. Like check_compat, it is passed the host name + and host address separated by $| and can reject connections + on that basis. + Allow IDA-style recursive function calls. Code contributed by Mark + Lovell and Paul Vixie. + Eliminate the "No ! in UUCP From address!" message" -- instead, create + a virtual UUCP address using either a domain address or the $k + macro. Based on code contributed by Mark Lovell and Paul + Vixie. + Add Stanford LDAP map. Requires special libraries that are not + included with sendmail. Contributed by Booker C. Bense + ; contact him for support. + See also the src/READ_ME file. + Allow -dANSI to turn on ANSI escape sequences in debug output; this + puts metasymbols (e.g., $+) in reverse video. Really useful + only for debugging deep bits of code where it is important to + distinguish between the single-character metasymbol $+ and the + two characters $, +. + Changed ruleset 89 (executed in dumpstate()) to a named ruleset, + debug_dumpstate. + Add new UnsafeGroupWrites option; if set, .forward and :include: + files that are group writable are considered "unsafe" -- that + is, programs and files referenced from such files are not + valid recipients. + Delete bogosity test for FallBackMX host; this prevented it to be a + name that was not in DNS or was a domain-literal. Problem + noted by Tom May. + Change the introduction to error messages to more clearly delineate + permanent from temporary failures; if both existed in a + single message it could be confusing. Suggested by John + Beck of InReference, Inc. + The IngoreDot (i) option didn't work for lines that were terminated + with CRLF. Problem noted by Ted Stockwell of Secure + Computing Corporation. + Add a heuristic to improve the handling of unbalanced `<' signs in + message headers. Problem reported by Matt Dillon of Best + Internet Communications. + Check for bogus characters in the 0200-0237 range; since these are + used internally, very strange errors can occur if those + characters appear in headers. Problem noted by Anders Gertz + of Lysator. + Implement 7 -> 8 bit MIME conversions. This only takes place if the + recipient mailer has the F=9 flag set, and only works on + text/plain body types. Code contributed by Marius Olafsson + of the University of Iceland. + Special case "postmaster" name so that it is always treated as lower + case in alias files regardless of configuration settings; + this prevents some potential problems where "Postmaster" or + "POSTMASTER" might not match "postmaster". In most cases + this change is a no-op. + The -o map flag was ignored for text maps. Problem noted by Bryan + Costales. + The -a map flag was ignored for dequote maps. Problem noted by + Bryan Costales. + Fix core dump when a lookup of a class "prog" map returns no + response. Patch from Bryan Costales. + Log instances where sendmail is deferring or rejecting connections + on LogLevel 14. Suggested by Kyle Jones of UUNET. + Include port number in process title for network daemons. Suggested + by Kyle Jones of UUNET. + Send ``double bounces'' (errors that occur when sending an error + message) to the address indicated in the DoubleBounceAddress + option (default: postmaster). Previously they were always + sent to postmaster. Suggested by Kyle Jones of UUNET. + Add new mode, -bD, that acts like -bd in all respects except that + it runs in foreground. This is useful for using with a + wrapper that "watches" system services. Suggested by Kyle + Jones of UUNET. + Fix botch in spacing around (parenthesized) comments in addresses + when the comment comes before the address. Patch from + Motonori Nakamura of Kyoto University. + Use the prefix "Postmaster notify" on the Subject: lines of messages + that are being bounced to postmaster, rather than "Returned + mail". This permits the person who is postmaster more + easily determine what messages are to their role as + postmaster versus bounces to mail they actually sent. Based + on a suggestion by Motonori Nakamura. + Add new value "time" for QueueSortOrder option; this causes the queue + to be sorted strictly by the time of submission. Note that + this can cause very bad behavior over slow lines (because + large jobs will tend to delay small jobs) and on nodes with + heavy traffic (because old things in the queue for hosts that + are down delay processing of new jobs). Also, this does not + guarantee that jobs will be delivered in submission order + unless you also set DeliveryMode=queue. In general, it should + probably only be used on the command line, and only in + conjunction with -qRhost.domain. In fact, there are very few + cases where it should be used at all. Based on an + implementation by Motonori Nakamura. + If a map lookup in ruleset 5 returns tempfail, queue the message in + the same manner as other rulesets. Previously a temporary + failure in ruleset 5 was ignored. Patch from Booker Bense + of Stanford University. + Don't proceed to the next MX host if an SMTP MAIL command returns a + 5yz (permanent failure) code. The next MX host will still be + tried if the connection cannot be opened in the first place + or if the MAIL command returns a 4yz (temporary failure) code. + (It's hard to know what to do here, since neither RFC 974 nor + RFC 1123 specify when to proceed to the next MX host.) + Suggested by Jonathan Kamens of OpenVision, Inc. + Add new "-t" flag for map definitions (the "K" line in the .cf file). + This causes map lookups that get a temporary failure (e.g., + name server failure) to _not_ defer the delivery of the + message. This should only be used if your configuration file + is prepared to do something sensible in this case. Based on + an idea by Gregory Shapiro of WPI. + Fix problem finding network interface addresses. Patch from + Motonori Nakamura. + Don't reject qf entries that are not owned by your effective uid if + you are not running set-user-ID; this makes management of + certain kinds of firewall setups difficult. Patch + suggested by Eamonn Coleman of Qualcomm. + Add persistent host status. This keeps the information normally + maintained within a single queue run in disk files that are + shared between sendmail instances. The HostStatusDirectory + is the directory in which the information is maintained. If + not set, persistent host status is turned off. If not a full + pathname, it is relative to the queue directory. A common + value is ".hoststat". + There are also two new operation modes: + * -bh prints the status of hosts that have had recent + connections. + * -bH purges the host statuses. No attempt is made to save + recent status information. + This feature was originally written by Paul Vixie of Vixie + Enterprises for KJS and adapted for V8 by Mark Lovell of + Bigrock Consulting. Paul's funding of Mark and Mark's patience + with my insistence that things fit cleanly into the V8 + framework is gratefully appreciated. + New SingleThreadDelivery option (requires HostStatusDirectory to + operate). Avoids letting two sendmails on the local machine + open connections to the same remote host at the same time. + This reduces load on the other machine, but can cause mail to + be delayed (for example, if one sendmail is delivering a huge + message, other sendmails won't be able to send even small + messages). Also, it requires another file descriptor (for the + lock file) per connection, so you may have to reduce + ConnectionCacheSize to avoid running out of per-process + file descriptors. Based on the persistent host status code + contributed by Paul Vixie and Mark Lovell. + Allow sending to non-simple files (e.g., /dev/null) even if the + SafeFileEnvironment option is set. Problem noted by Bryan + Costales. + The -qR flag mistakenly matched flags in the "R" line of the queue + file. Problem noted by Bryan Costales. + If a job was aborted using the interrupt signal (e.g., control-C from + the keyboard), on some occasions an empty df file would be + left around; these would collect in the queue directory. + Problem noted by Bryan Costales. + Change the makesendmail script to enhance the search for Makefiles + based on release number. For example, on SunOS 5.5.1, it will + search for Makefile.SunOS.5.5.1, Makefile.SunOS.5.5, and then + Makefile.SunOS.5.x (in addition to the other rules, e.g., + adding $arch). Problem noted by Jason Mastaler of Atlanta + Webmasters. + When creating maps using "newaliases", always map the keys to lower + case when creating the map unless the -f flag is specified on + the map itself. Previously this was done based on the F=u + flag in the local mailer, which meant you could create aliases + that you could never access. Problem noted by Bob Wu of DEC. + When a job was read from the queue, the bits causing notification on + failure or delay were always set. This caused those + notifications to be sent even if NOTIFY=NEVER had been + specified. Problem noted by Steve Hubert of the University + of Washington, Seattle. + Add new configurable routine validate_connection (in conf.c). This + lets you decide if you are willing to accept traffic from + this host. If it returns FALSE, all SMTP commands will return + "550 Access denied". -DTCPWRAPPERS will include support for + TCP wrappers; you will need to add -lwrap to the link line. + (See src/READ_ME for details.) + Don't include the "THIS IS A WARNING MESSAGE ONLY" banner on postmaster + bounces. Some people seemed to think that this could be + confusing (even though it is true). Suggested by Motonori + Nakamura. + Add new RunAsUser option; this causes sendmail to do a setuid to that + user early in processing to avoid potential security problems. + However, this means that all .forward and :include: files must + be readable by that user, and all files to be written must be + writable by that user and all programs will be executed by that + user. It is also incompatible with the SafeFileEnvironment + option. In other words, it may not actually add much to + security. However, it should be useful on firewalls and other + places where users don't have accounts and the aliases file is + well constrained. + Add Timeout.iconnect. This is like Timeout.connect except it is used + only on the first attempt to delivery to an address. It could + be set to be lower than Timeout.connect on the principle that + the mail should go through quickly to responsive hosts; less + responsive hosts get to wait for the next queue run. + Fix a problem on Solaris that occasionally causes programs + (such as vacation) to hang with their standard input connected + to a UDP port. It also created some signal handling problems. + The problems turned out to be an interaction between vfork(2) + and some of the libraries, particularly NIS/NIS+. I am + indebted to Tor Egge for this fix. + Change user class map to do the same matching that actual delivery + will do instead of just a /etc/passwd lookup. This adds + fuzzy matching to the user map. Patch from Dan Oscarsson. + The Timeout.* options are not safe -- they can be used to create a + denial-of-service attack. Problem noted by Christophe + Wolfhugel. + Don't send PostmasterCopy messages in the event of a "delayed" + notification. Suggested by Barry Bouwsma. + Don't advertise "VERB" ESMTP extension if the "noexpn" privacy + option is set, since this disables VERB mode. Suggested + by John Hawkinson of MIT. + Complain if the QueueDirectory (Q) option is not set. Problem noted + by Motonori Nakamura of Kyoto University. + Only queue messages on transient .forward open failures if there + were no successful opens. The previous behavior caused it + to queue even if a "fall back" .forward was found. Problem + noted by Ann-Kian Yeo of the Dept. of Information Systems + and Computer Science (DISCS), NUS, Singapore. + Don't do 8->7 bit conversions when bouncing a MIME message that + is bouncing because of a MIME error during 8->7 bit conversion; + the encapsulated message will bounce again, causing a loop. + Problem noted by Steve Hubert of the University of Washington. + Create xf (transcript) files using the TempFileMode option value + instead of 0644. Suggested by Ann-Kian Yeo of the + National University of Singapore. + Print errors if setgid/setuid/etc. fail during delivery. This helps + detect cases where DefaultUid is set to something that the + system can't cope with. + PORTABILITY FIXES: + Support for AIX/RS 2.2.1 from Mark Whetzel of Western + Atlas International. + Patches for Intel Paragon OSF/1 1.3 from Leo Bicknell + . + On DEC OSF/1 3.2 and earlier, the MatchGECOS code would only + work on the first recipient of a message due to a + bug in the getpwent family. If this is something you + use, you can define DEC_OSF_BROKEN_GETPWENT=1 for a + workaround. From Maximum Entropy of Sanford C. + Bernstein and Associates. + FreeBSD 1.1.5.1 uname -r returns a string containing + parentheses, which breaks makesendmail. Reported + by Piero Serini . + Sequent DYNIX/ptx 4.0.2 patches from Jack Woolley of + Systems and Computer Technology Corporation. + Solaris 2.x: omit the UUCP grade parameter (-g flag) because + it is system-dependent. Problem noted by J.J. Bailey + of Bailey Computer Consulting. + Pyramid NILE running DC/OSx support from Earle F. Ake of + Hassler Communication Systems Technology, Inc. + HP-UX 10.x compile glitches, reported by Anne Brink of the + U.S. Army and James Byrne of Harte & Lyne Limited. + NetBSD from Matthew Green of the NetBSD crew. + SCO 5.x from Keith Reynolds of SCO. + IRIX 6.2 from Robert Tarrall of the University of + Colorado and Kari Hurtta of the Finnish Meteorological + Institute. + UXP/DS (Fujitsu/ICL DS/90 series) support from Diego R. + Lopez, CICA (Seville). + NCR SVR4 MP-RAS 3.x support from Tom Moore of NCR. + PTX 3.2.0 from Kenneth Stailey of the US Department of Labor + Employment Standards Administration. + Altos System V (5.3.1) from Tim Rice of Multitalents. + Concurrent Systems Corporation Maxion from Donald R. Laster + Jr. + NetInfo maps (improved debugging and multi-valued aliases) + from Adrian Steinmann of Steinmann Consulting. + ConvexOS 11.5 (including SecureWare C2 and the Share Scheduler) + from Eric Schnoebelen of Convex. + Linux 2.0 mail.local patches from Horst von Brand. + NEXTSTEP 3.x compilation from Robert La Ferla. + NEXTSTEP 3.x code changes from Allan J. Nathanson of NeXT. + Solaris 2.5 configuration fixes for mail.local by Jim Davis + of the University of Arizona. + Solaris 2.5 has a working setreuid. Noted by David Linn of + Vanderbilt University. + Solaris changes for praliases, makemap, mailstats, and smrsh. + Previously you had to add -DSOLARIS in Makefile.dist; + this auto-detects. Based on a patch from Randall + Winchester of the University of Maryland. + CONFIG: add generic-nextstep3.3.mc file. Contributed by + Robert La Ferla of Hot Software. + CONFIG: allow mailertables to resolve to ``error:code message'' + (where "code" is an exit status) on domains (previously + worked only on hosts). Patch from Cor Bosman of Xs4all + Foundation. + CONFIG: hooks for IPv6-style domain literals. + CONFIG: predefine ALIAS_FILE and change the prototype file so that + if it is undefined the AliasFile option is never set; this + should be transparent for most everyone. Suggested by John + Myers of CMU. + CONFIG: add FEATURE(limited_masquerade). Without this feature, any + domain listed in $=w is masqueraded. With it, only those + domains listed in a MASQUERADE_DOMAIN macro are masqueraded. + CONFIG: add FEATURE(masquerade_entire_domain). This causes + masquerading specified by MASQUERADE_DOMAIN to apply to all + hosts under those domains as well as the domain headers + themselves. For example, if a configuration had + MASQUERADE_DOMAIN(foo.com), then without this feature only + foo.com would be masqueraded; with it, *.foo.com would be + masqueraded as well. Based on an implementation by Richard + (Pug) Bainter of U. Texas. + CONFIG: add FEATURE(genericstable) to do a more general rewriting of + outgoing addresses. Defaults to ``hash -o /etc/genericstable''. + Keys are user names; values are outgoing mail addresses. Yes, + this does overlap with the user database, and figuring out + just when to use which one may be tricky. Based on code + contributed by Richard (Pug) Bainter of U. Texas with updates + from Per Hedeland of Ericsson. + CONFIG: add FEATURE(virtusertable) to do generalized rewriting of + incoming addresses. Defaults to ``hash -o /etc/virtusertable''. + Keys are either fully qualified addresses or just the host + part (with the @ sign). For example, a table containing: + info@foo.com foo-info + info@bar.com bar-info + @baz.org jane@elsewhere.net + would send all mail destined for info@foo.com to foo-info + (which is presumably an alias), mail addressed to info@bar.com + to bar-info, and anything addressed to anyone at baz.org will + be sent to jane@elsewhere.net. The names foo.com, bar.com, + and baz.org must all be in $=w. Based on discussions with + a great many people. + CONFIG: add nullclient configurations to define SMTP_MAILER_FLAGS. + Suggested by Richard Bainter. + CONFIG: add FAX_MAILER_ARGS to tweak the arguments passed to the + "fax" mailer. + CONFIG: allow mailertable entries to resolve to local:user; this + passes the original user@host in to procmail-style local + mailers as the "detail" information to allow them to do + additional clever processing. From Joe Pruett of + Teleport Corporation. Delivery to the original user can + be done by specifying "local:" (with nothing after the colon). + CONFIG: allow any context that takes "mailer:domain" to also take + "mailer:user@domain" to force mailing to the given user; + "local:user" can also be used to do local delivery. This + applies on *_RELAY and in the mailertable entries. Based + on a suggestion by Ribert Kiessling of Easynet. + CONFIG: Allow FEATURE(bestmx_is_local) to take an argument that + limits the possible domains; this reduces the number of DNS + lookups required to support this feature. For example, + FEATURE(bestmx_is_local, my.site.com) limits the lookups + to domains under my.site.com. Code contributed by Anthony + Thyssen . + CONFIG: LOCAL_RULESETS introduces any locally defined rulesets, + such as the check_rcpt ruleset. Suggested by Gregory Shapiro + of WPI. + CONFIG: MAILER_DEFINITIONS introduces any mailer definitions, in the + event you have to define local mailers. Suggested by + Gregory Shapiro of WPI. + CONFIG: fix cases where a three- (or more-) stage route-addr could + be misinterpreted as a list:...; syntax. Based on a patch by + Vlado Potisk . + CONFIG: Fix masquerading of UUCP addresses when the UUCP relay is + remotely connected. The address host!user was being + converted to host!user@thishost instead of host!user@uurelay. + Problem noted by William Gianopoulos of Raytheon Company. + CONFIG: add confTO_ICONNECT to set Timeout.iconnect. + CONFIG: change FEATURE(redirect) message from "User not local" to + "User has moved"; the former wording was confusing if the + new address is still on the local host. Based on a suggestion + by Andreas Luik. + CONFIG: add support in FEATURE(nullclient) for $=E (exposed users). + However, the class is not pre-initialized to contain root. + Suggested by Gregory Neil Shapiro. + CONTRIB: Remove XLA code at the request of the author, Christophe + Wolfhugel. + CONTRIB: Add re-mqueue.pl, contributed by Paul Pomes of Qualcomm. + MAIL.LOCAL: make it possible to compile mail.local on Solaris. Note + well: this produces a slightly different mailbox format (no + Content-Length: headers), file ownerships and modes are + different (not owned by group mail; mode 600 instead of 660), + and the local mailer flags will have to be tweaked (make them + match bsd4.4) in order to use this mailer. Patches from Paul + Hammann of the Missouri Research and Education Network. + MAIL.LOCAL: in some cases it could return EX_OK even though there + was a delivery error, such as if the ownership on the file + was wrong or the mode changed between the initial stat and + the open. Problem reported by William Colburn of the New + Mexico Institute of Mining and Technology. + MAILSTATS: handle zero length files more reliably. Patch from Bryan + Costales. + MAILSTATS: add man page contributed by Keith Bostic of BSDI. + MAKEMAP: The -d flag (to allow duplicate keys) to a btree map wasn't + honored. Fix from Michael Scott Shappe. + PRALIASES: add man page contributed by Keith Bostic of BSDI. + NEW FILES: + src/Makefiles/Makefile.AIX.2 + src/Makefiles/Makefile.IRIX.6.2 + src/Makefiles/Makefile.maxion + src/Makefiles/Makefile.NCR.MP-RAS.3.x + src/Makefiles/Makefile.SCO.5.x + src/Makefiles/Makefile.UXPDSV20 + mailstats/mailstats.8 + praliases/praliases.8 + cf/cf/generic-nextstep3.3.mc + cf/feature/genericstable.m4 + cf/feature/limited_masquerade.m4 + cf/feature/masquerade_entire_domain.m4 + cf/feature/virtusertable.m4 + cf/ostype/aix2.m4 + cf/ostype/altos.m4 + cf/ostype/maxion.m4 + cf/ostype/solaris2.ml.m4 + cf/ostype/uxpds.m4 + contrib/re-mqueue.pl + DELETED FILES: + src/Makefiles/Makefile.Solaris + contrib/xla/README + contrib/xla/xla.c + RENAMED FILES: + src/Makefiles/Makefile.NCR3000 => Makefile.NCR.MP-RAS.2.x + src/Makefiles/Makefile.SCO.3.2v4.2 => Makefile.SCO.4.2 + src/Makefiles/Makefile.UXPDS => Makefile.UXPDSV10 + src/Makefiles/Makefile.NeXT => Makefile.NeXT.2.x + src/Makefiles/Makefile.NEXTSTEP => Makefile.NeXT.3.x + +8.7.6/8.7.3 1996/09/17 + SECURITY: It is possible to force getpwuid to fail when writing the + queue file, causing sendmail to fall back to running programs + as the default user. This is not exploitable from off-site. + Workarounds include using a unique user for the DefaultUser + (old u & g options) and using smrsh as the local shell. + SECURITY: fix some buffer overruns; in at least one case this allows + a local user to get root. This is not known to be exploitable + from off-site. The workaround is to disable chfn(1) commands. + +8.7.5/8.7.3 1996/03/04 + Fix glitch in 8.7.4 when putting certain internal lines; this can + in some case cause connections to hang or messages to have + extra spaces in odd places. Patch from Eric Wassenaar; + reports from Eric Hall of Chiron Corporation, Stephen + Hansen of Stanford University, Dean Gaudet of HotWired, + and others. + +8.7.4/8.7.3 1996/02/18 + SECURITY: In some cases it was still possible for an attacker to + insert newlines into a queue file, thus allowing access to + any user (except root). + CONFIG: no changes -- it is not a bug that the configuration + version number is unchanged. + +8.7.3/8.7.3 1995/12/03 + Fix botch in name server timeout in RCPT code; this problem caused + two responses in SMTP, which breaks things horribly. Fix + from Gregory Neil Shapiro of WPI. + Verify that L= value on M lines cannot be negative, which could cause + negative array subscripting. Not a security problem since + this has to be in the config file, but it could have caused + core dumps. Pointed out by Bryan Costales. + Fix -d21 debug output for long macro names. Pointed out by Bryan + Costales. + PORTABILITY FIXES: + SCO doesn't have ftruncate. From Bill Aten of Computerizers. + IBM's version of arpa/nameser.h defaults to the wrong byte + order. Tweak it to work properly. Based on fixes + from Fletcher Mattox of UTexas and Betty Lee of + Stanford University. + CONFIG: add confHOSTS_FILE m4 variable to set HostsFile option. + Deficiency pointed out by Bryan Costales of ICSI. + +8.7.2/8.7.2 1995/11/19 + REALLY fix the backslash escapes in SmtpGreetingMessage, + OperatorChars, and UnixFromLine options. They were not + properly repaired in 8.7.1. + Completely delete the Bcc: header if and only if there are other + valid recipient headers (To:, Cc: or Apparently-To:, the + last being a historic botch, of course). If Bcc: is the + only recipient header in the message, its value is tossed, + but the header name is kept. The old behavior (always keep + the header name and toss the value) allowed primary recipients + to see that a Bcc: went to _someone_. + Include queue id on ``Authentication-Warning: : set + sender to
using -f'' syslog messages. Suggested + by Kari Hurtta. + If a sequence or switch map lookup entry gets a tempfail but then + continues on to another map type, but the name is not found, + return a temporary failure from the sequence or switch map. + For example, if hosts search ``dns files'' and DNS fails + with a tempfail, the hosts map will go on and search files, + but if it fails the whole thing should be a tempfail, not + a permanent (host unknown) failure, even though that is the + failure in the hosts.files map. This error caused hard + bounces when it should have requeued. + Aliases to files such as /users/bar/foo/inbox, with /users/bar/foo + owned by bar mode 700 and inbox being set-user-ID bar stopped + working properly due to excessive paranoia. Pointed out by + John Hawkinson of Panix. + An SMTP RCPT command referencing a host that gave a nameserver + timeout would return a 451 command (8.6 accepted it and + queued it locally). Revert to the 8.6 behavior in order + to simplify queue management for clustered systems. Suggested + by Gregory Neil Shapiro of WPI. The same problem could break + MH, which assumes that the SMTP session will succeed (tsk, tsk + -- mail gets lost!); this was pointed out by Stuart Pook of + Infobiogen. + Fix possible buffer overflow in munchstring(). This was not a security + problem because you couldn't specify any argument to this + without first giving up root privileges, but it is still a + good idea to avoid future problems. Problem noted by John + Hawkinson and Sam Hartman of MIT. + ``452 Out of disk space for temp file'' messages weren't being + printed. Fix from David Perlin of Nanosoft. + Don't advertise the ESMTP DSN extension if the SendMimeErrors option + is not set, since this is required to get the actual DSNs + created. Problem pointed out by John Gardiner Myers of CMU. + Log permission problems that cause .forward and :include: files to + be untrusted or ignored on log level 12 and higher. Suggested + by Randy Martin of Clemson University. + Allow user ids in U= clauses of M lines to have hyphens and + underscores. + Fix overcounting of recipients -- only happened when sending to an + alias. Pointed out by Mark Andrews of SGI and Jack Woolley + of Systems and Computer Technology Corporation. + If a message is sent to an address that fails, the error message that + is returned could show some extraneous "success" information + included even if the user did not request success notification, + which was confusing. Pointed out by Allan Johannesen of WPI. + Config files that had no AliasFile definition were defaulting to + using /etc/aliases; this caused problems with nullclient + configurations. Change it back to the 8.6 semantics of + having no local alias file unless it is declared. Problem + noted by Charles Karney of Princeton University. + Fix compile problem if NOTUNIX is defined. Pointed out by Bryan + Costales of ICSI. + Map lookups of class "userdb" maps were always case sensitive; they + should be controlled by the -f flag like other maps. Pointed + out by Bjart Kvarme . + Fix problem that caused some addresses to be passed through ruleset 5 + even when they were tagged as "sticky" by prefixing the + address with an "@". Patch from Thomas Dwyer III of Michigan + Technological University. + When converting a message to Quoted-Printable, prevent any lines with + dots alone on a line by themselves. This is because of the + preponderance of broken mailers that still get this wrong. + Code contributed by Per Hedeland of Ericsson. + Fix F{macro}/file construct -- it previously did nothing. Pointed + out by Bjart Kvarme of USIT/UiO (Norway). + Announce whether a cached connection is SMTP or ESMTP (in -v mode). + Requested by Allan Johannesen. + Delete check for text format of alias files -- it should be legal + to have the database format of the alias files without the + text version. Problem pointed out by Joe Rhett of Navigist, + Inc. + If "Ot" was specified with no value, the TZ variable was not properly + imported from the environment. Pointed out by Frank Crawford + . + Some architectures core dumped on "program" maps that didn't have + extra arguments. Patch from Booker C. Bense of Stanford + University. + Queue run processes would re-spawn daemons when given a SIGHUP; only + the parent should do this. Fix from Brian Coan of the + Association for Progressive Communications. + If MinQueueAge was set and a message was considered but not run + during a queue run and the Timeout.queuereturn interval was + reached, a "timed out" error message would be returned that + didn't include the failed address (and claimed to be a warning + even though it was fatal). The fix is to not return such + messages until they are actually tried, i.e., in the next + MinQueueAge interval. Problem noted by Rein Tollevik of + SINTEF RUNIT, Oslo. + Add HES_GETMAILHOST compile flag to support MIT Hesiod distributions + that have the hes_getmailhost() routine. DEC Hesiod + distributions do not have this routine. Based on a patch + from Betty Lee of Stanford University. + Extensive cleanups to map open code to handle a locking race condition + in ndbm, hash, and btree format database files on some (most + non-4.4-BSD based) OS architectures. This should solve the + occasional "user unknown" problem during alias rebuilds that + has plagued me for quite some time. Based on a patch from + Thomas Dwyer III of Michigan Technological University. + PORTABILITY FIXES: + Solaris: Change location of newaliases and mailq from + /usr/ucb to /usr/bin to match Sun settings. From + James B. Davis of TCI. + DomainOS: Makefile.DomainOS doesn't require -ldbm. From + Don Lewis of Silicon Systems. + HP-UX 10: rename Makefile.HP-UX.10 => Makefile.HP-UX.10.x + so that the makesendmail script will find it. Pointed + out by Richard Allen of the University of Iceland. + Also, use -Aa -D_HPUX_SOURCE instead of -Ae, which + isn't supported on all compilers. + UXPDS: compilation fixes from Diego R. Lopez. + CONFIG: FAX mailer wasn't setting .FAX as a pseudo-domain unless + you also had a FAX_RELAY. From Thomas.Tornblom@Hax.SE. + CONFIG: Minor glitch in S21 -- attachment of local domain name + didn't have trailing dot. From Jim Hickstein of Teradyne. + CONFIG: Fix best_mx_is_local feature to allow nested addresses such as + user%host@thishost. From Claude Scarpelli of Infobiogen + (France). + CONFIG: OSTYPE(hpux10) failed to define the location of the help file. + Pointed out by Hannu Martikka of Nokia Telecommunications. + CONFIG: Diagnose some inappropriate ordering in configuration files, + such as FEATURE(smrsh) listed after MAILER(local). Based on + a bug report submitted by Paul Hoffman of Proper Publishing. + CONFIG: Make OSTYPE files consistently not override settings that + have already been set. Previously it worked differently + for different files. + CONFIG: Change relay mailer to do masquerading like 8.6 did. My take + is that this is wrong, but the change was causing problems + for some people. From Per Hedeland of Ericsson. + CONTRIB: bitdomain.c patch from John Gardiner Myers ; + portability changes for Posix environments (no functional + changes). + +8.7.1/8.7.1 1995/10/01 + Old macros that have become options (SmtpGreetingMessage, + OperatorChars, and UnixFromLine) didn't allow backslash + escapes in the options, where they previously had. Bug + pointed out by John Hawkinson of MIT. + Fix strange case of an executable called by a program map that + returns a value but also a non-zero exit status; this + would give contradictory results in the higher level; in + particular, the default clause in the map lookup would be + ignored. Change to ignore the value if the program returns + non-zero exit status. From Tom Moore of AT&T GIS. + Shorten parameters passed to syslog() in some contexts to avoid a + bug in many vendors' implementations of that routine. Although + this isn't really a bug in sendmail per se, and my solution + has to assume that syslog() has at least a 1K buffer size + internally (I know some vendors have shortened this + dramatically -- they're on their own), sendmail is a popular + target. Also, limit the size of %s arguments in sprintf. + These both have possible security implications. Solutions + suggested by Casper Dik of Sun's Network Security Group + (Holland), Mark Seiden, and others. + Fix a problem that might cause a non-standard -B (body type) + parameter to be passed to the next server with undefined + results. This could have security implications. + If a filesystem was at > 100% utilization, the freediskspace() + routine incorrectly returned an error rather than zero. + Problem noted by G. Paul Ziemba of Alantec. + Change MX sort order so that local hostnames (those in $=w) always + sort first within a given preference. This forces the bestmx + map to always return the local host first, if it is included + in the list of highest priority MX records. From K. Robert + Elz. + Avoid some possible null pointer dereferences. Fixes from Randy + Martin + When sendmail starts up on systems that have no fully qualified + domain name (FQDN) anywhere in the first matching host map + (e.g., /etc/hosts if the hosts service searches "files dns"), + sendmail would sleep to try to find a FQDN, which it really + really needs. This has been changed to fall through to the + next map type if it can't find a FQDN -- i.e., if the hosts + file doesn't have a FQDN, it will try dns even though the + short name was found in /etc/hosts. This is probably a crock, + but many people have hosts files without FQDNs. Remember: + domain names are your friends. + Log a high-priority message if you can't find your FQDN during startup. + Suggested by Simon Barnes of Schlumberger Limited. + When using Hesiod, initialize it early to improve error reporting. + Patch from Don Lewis of Silicon Systems, Inc. + Apparently at least some versions of Linux have a 90 !minute! TCP + connection timeout in the kernel. Add a new "connect" timeout + to limit this time. Defaults to zero (use whatever the + kernel provides). Based on code contributed by J.R. Oldroyd + of TerraNet. + Under some circumstances, a failed message would not be properly + removed from the queue, causing tons of bogus error messages. + (This fix eliminates the problematic EF_KEEPQUEUE flag.) + Problem noted by Allan E Johannesen and Gregory Neil Shapiro + of WPI. + PORTABILITY FIXES: + On IRIX 5.x, there was an inconsistency in the setting + of sendmail.st location. Change the Makefile to + install it in /var/sendmail.st to match the OSTYPE + file and SGI standards. From Andre + . + Support for Fujitsu/ICL UXP/DS (For the DS/90 Series) + from Diego R. Lopez . + Linux compilation patches from J.R. Oldroyd of TerraNet, Inc. + LUNA 2 Mach patches from Motonori Nakamura. + SunOS Makefile was including -ldbm, which is for the old + dbm library. The ndbm library is part of libc. + CONFIG: avoid bouncing ``user@host.'' (note trailing dot) with + ``local configuration error'' in nullclient configuration. + Patch from Gregory Neil Shapiro of WPI. + CONFIG: don't allow an alias file in nullclient configurations -- + since all addresses are relayed, they give errors during + rebuild. Suggested by Per Hedeland of Ericsson. + CONFIG: local mailer on Solaris 2 should always get a -f flag because + otherwise the F=S causes the From_ line to imply that root is + the sender. Problem pointed out by Claude Scarpelli of + Infobiogen (France). + NEW FILES: + cf/feature/use_ct_file.m4 (omitted from 8.7 by mistake) + src/Makefiles/Makefile.KSR (omitted from 8.7 by mistake) + src/Makefiles/Makefile.UXPDS + +8.7/8.7 1995/09/16 + Fix a problem that could cause sendmail to run out of file + descriptors due to a trashed data structure after a + vfork. Fix from Brian Coan of the Institute for + Global Communications. + Change the VRFY response if you have disabled VRFY -- some + people seemed to think that it was too rude. + Avoid reference to uninitialized file descriptor if HASFLOCK + was not defined. This was used "safely" in the sense + that it only did a stat, but it would have set the + map modification time improperly. Problem pointed out + by Roy Mongiovi of Georgia Tech. + Clean up the Subject: line on warning messages and return + receipts so that they don't say "Returned mail:"; this + can be confusing. + Move ruleset entry/exit debugging from 21.2 to 21.1 -- this is + useful enough to make it worthwhile printing on "-d". + Avoid logging alias statistics every time you read the alias + file on systems with no database method compiled in. + If you have a name with a trailing dot, and you try looking it + up using gethostbyname without the dot (for /etc/hosts + compatibility), be sure to turn off RES_DEFNAMES and + RES_DNSRCH to avoid finding the wrong name accidentally. + Problem noted by Charles Amos of the University of + Maryland. + Don't do timeouts in collect if you are not running SMTP. + There is nothing that says you can't have a long + running program piped into sendmail (possibly via + /bin/mail, which just execs sendmail). Problem reported + by Don "Truck" Lewis of Silicon Systems. + Try gethostbyname() even if the DNS lookup fails iff option I + is not set. This allows you to have hosts listed in + NIS or /etc/hosts that are not known to DNS. It's normally + a bad idea, but can be useful on firewall machines. This + should really be broken out on a separate flag, I suppose. + Avoid compile warnings against BIND 4.9.3, which uses function + prototypes. From Don Lewis of Silicon Systems. + Avoid possible incorrect diagnosis of DNS-related errors caused + by things like attempts to resolve uucp names using + $[ ... $] -- the fix is to clear h_errno at appropriate + times. From Kyle Jones of UUNET. + SECURITY: avoid denial-of-service attacks possible by destroying + the alias database file by setting resource limits low. + This involves adding two new compile-time options: + HASSETRLIMIT (indicating that setrlimit(2) support is + available) and HASULIMIT (indicating that ulimit(2) support + is available -- the Release 3 form is used). The former + is assumed on BSD-based systems, the latter on System + V-based systems. Attack noted by Phil Brandenberger of + Swarthmore University. + New syntaxes in test (-bt) mode: + ``.Dmvalue'' will define macro "m" to "value". + ``.Ccvalue'' will add "value" to class "c". + ``=Sruleset'' will dump the contents of the indicated + ruleset. + ``=M'' will display the known mailers. + ``-ddebug-spec'' is equivalent to the command-line + -d debug flag. + ``$m'' will print the value of macro $m. + ``$=c'' will print the contents of class $=c. + ``/mx host'' returns the MX records for ``host''. + ``/parse address'' will parse address, returning the value of + crackaddr (essentially, the comment information) + and the parsed address. + ``/try mailer address'' will rewrite address into the form + it will have when presented to the indicated mailer. + ``/tryflags flags'' will set flags used by parsing. The + flags can be `H' for header or `E' for envelope, + and `S' for sender or `R' for recipient. These + can be combined, so `HR' sets flags for header + recipients. + ``/canon hostname'' will try to canonify hostname and + return the result. + ``/map mapname key'' will look up `key' in the indicated + `mapname' and return the result. + Somewhat better handling of UNIX-domain socket addresses -- it + should show the pathname rather than hex bytes. + Restore ``-ba'' mode -- this reads a file from stdin and parses + the header for envelope sender information and uses + CR-LF as message terminators. It was thought to be + obsolete (used only for Arpanet NCP protocols), but it + turns out that the UK ``Grey Book'' protocols require + that functionality. + Fix a fix in previous release -- if gethostname and gethostbyname + return a name without dots, and if an attempt to canonify + that name fails, wait one minute and try again. This can + result in an extra 60 second delay on startup if your system + hostname (as returned by hostname(1)) has no dot and no names + listed in /etc/hosts or your NIS map have a dot. + Check for proper domain name on HELO and EHLO commands per + RFC 1123 section 5.2.5. Problem noted by Thomas Dwyer III + of Michigan Technological University. + Relax chownsafe rules slightly -- old version said that if you + can't tell if _POSIX_CHOWN_RESTRICTED is set (that is, + if fpathconf returned EINVAL or ENOSYS), assume that + chown is not safe. The new version falls back to whether + you are on a BSD system or not. This is important for + SunOS, which apparently always returns one of those + error codes. This impacts whether you can mail to files + or not. + Syntax errors such as unbalanced parentheses in the configuration + file could be omitted if you had "Oem" prior to the + syntax error in the config file. Change to always print + the error message. It was especially weird because it + would cause a "warning" message to be sent to the Postmaster + for every message sent (but with no transcript). Problem + noted by Gregory Paris of Motorola. + Rewrite collect and putbody to handle full 8-bit data, including + zero bytes. These changes are internally extensive, but + should have minimal impact on external function. + Allow full words for option names -- if the option letter is + (apparently) a space, then take the word following -- e.g., + O MatchGECOS=TRUE + The full list of old and new names is as follows: + 7 SevenBitInput + 8 EightBitMode + A AliasFile + a AliasWait + B BlankSub + b MinFreeBlocks/MaxMessageSize + C CheckpointInterval + c HoldExpensive + D AutoRebuildAliases + d DeliveryMode + E ErrorHeader + e ErrorMode + f SaveFromLine + F TempFileMode + G MatchGECOS + H HelpFile + h MaxHopCount + i IgnoreDots + I ResolverOptions + J ForwardPath + j SendMimeErrors + k ConnectionCacheSize + K ConnectionCacheTimeout + L LogLevel + l UseErrorsTo + m MeToo + n CheckAliases + O DaemonPortOptions + o OldStyleHeaders + P PostmasterCopy + p PrivacyOptions + Q QueueDirectory + q QueueFactor + R DontPruneRoutes + r, T Timeout + S StatusFile + s SuperSafe + t TimeZoneSpec + u DefaultUser + U UserDatabaseSpec + V FallbackMXHost + v Verbose + w TryNullMXList + x QueueLA + X RefuseLA + Y ForkEachJob + y RecipientFactor + z ClassFactor + Z RetryFactor + The old macros that passed information into sendmail have + been changed to options; those correspondences are: + $e SmtpGreetingMessage + $l UnixFromLine + $o OperatorChars + $q (deleted -- not necessary) + To avoid possible problems with an older sendmail, + configuration level 6 is accepted by this version of + sendmail; any config file using the new names should + specify "V6" in the configuration. + Change address parsing to properly note that a phrase before a + colon and a trailing semicolon are essentially the same + as text outside of angle brackets (i.e., sendmail should + treat them as comments). This is to handle the + ``group name: addr1, addr2, ..., addrN;'' syntax (it will + assume that ``group name:'' is a comment on the first + address and the ``;'' is a comment on the last address). + This requires config file support to get right. It does + understand that :: is NOT this syntax, and can be turned + off completely by setting the ColonOkInAddresses option. + Level 6 config files added with new mailer flags: + A Addresses are aliasable. + i Do udb rewriting on envelope as well as header + sender lines. Applies to the from address mailer + flags rather than the recipient mailer flags. + j Do udb rewriting on header recipient addresses. + Applies to the sender mailer flags rather than the + recipient mailer flags. + k Disable check for loops when doing HELO command. + o Always run as the mail recipient, even on local + delivery. + w Check for an /etc/passwd entry for this user. + 5 Pass addresses through ruleset 5. + : Check for :include: on this address. + | Check for |program on this address. + / Check for /file on this address. + @ Look up sender header addresses in the user + database. Applies to the mailer flags for the + mailer corresponding to the envelope sender + address, rather than to recipient mailer flags. + Pre-level 6 configuration files set A, w, 5, :, |, /, and @ + on the "local" mailer, the o flag on the "prog" and "*file*" + mailers, and the ColonOkInAddresses option. + Eight-to-seven bit MIME conversions. This borrows ideas from + John Beck of Hewlett-Packard, who generously contributed + their implementation to me, which I then didn't use (see + mime.c for an explanation of why). This adds the + EightBitMode option (a.k.a. `8') and an F=8 mailer flag + to control handling of 8-bit data. These have to cope with + two types of 8-bit data: unlabelled 8-bit data (that is, + 8-bit data that is entered without declaring it as 8-bit + MIME -- technically this is illegal according to the + specs) and labelled 8-bit data (that is, it was declared + as 8BITMIME in the ESMTP session or by using the + -B8BITMIME command line flag). If the F=8 mailer flag is + set then 8-bit data is sent to non-8BITMIME machines + instead of converting to 7 bit (essentially using + just-send-8 semantics). The values for EightBitMode are: + m convert unlabelled 8-bit input to 8BITMIME, and do + any necessary conversion of 8BITMIME to 7BIT + (essentially, the full MIME option). + p pass unlabelled 8-bit input, but convert labelled + 8BITMIME input to 7BIT as required (default). + s strict adherence: reject unlabelled 8-bit input, + convert 8BITMIME to 7BIT as required. The F=8 + flag is ignored. + Unlabelled 8-bit data is rejected in mode `s' regardless of + the setting of F=8. + Add new internal class 'n', which is the set of MIME Content-Types + which can not be 8 to 7 bit encoded because of other + considerations. Types "multipart/*" and "message/*" are + never directly encoded (although their components can be). + Add new internal class 's', which is the set of subtypes of the + MIME message/* content type that can be treated as though + they are an RFC822 message. It is predefined to have + "rfc822". Suggested By Kari Hurtta. + Add new internal class 'e'. This is the set of MIME + Content-Transfer-Encodings that can be converted to + a seven bit format (Quoted-Printable or Base64). It is + preinitialized to contain "7bit", "8bit", and "binary". + Add C=charset mailer parameter and the the DefaultCharSet option (no + short name) to set the default character set to use in the + Content-Type: header when doing encoding of an 8-bit message + which isn't marked as MIME into MIME format. If the C= + parameter is set on the Envelope From address, use that as + the default encoding; else use the DefaultCharSet option. + If neither is set, it defaults to "unknown-8bit" as + suggested by RFC 1428 section 3. + Allow ``U=user:group'' field in mailer definition to set a default + user and group that a mailer will be executed as. This + overrides the 'u' and 'g' options, and if the `F=S' flag is + also set, it is the uid/gid that will always be used (that + is, the controlling address is ignored). The values may be + numeric or symbolic; if only a symbolic user is given (no + group) that user's default group in the passwd file is used + as the group. Based on code donated by Chip Rosenthal of + Unicom. + Allow `u' option to also accept user:group as a value, in the same + fashion as the U= mailer option. + Add the symbolic time zone name in the Arpanet format dates (as + a comment). This adds a new compile-time configuration + flag: TZ_TYPE can be set to TZ_TM_NAME (use the value + of (struct tm *)->tm_name), TZ_TM_ZONE (use the value + of (struct tm *)->tm_zone), TZ_TZNAME (use extern char + *tzname[(struct tm *)->tm_isdst]), TZ_TIMEZONE (use + timezone()), or TZ_NONE (don't include the comment). Code + from Chip Rosenthal. + The "Timeout" option (formerly "r") is extended to allow suboptions. + For example, + O Timeout.helo = 2m + There are also two new suboptions "queuereturn" and + "queuewarn"; these subsume the old T option. Thus, to + set them both the preferred new syntax is + O Timeout.queuereturn = 5d + O Timeout.queuewarn = 4h + Sort queue by host name instead of by message priority if the + QueueSortOrder option (no short name) is set is set to + ``host''. This makes better use of the connection cache, + but may delay more ``interactive'' messages behind large + backlogs under some circumstances. This is probably a + good option if you have high speed links or don't do lots + of ``batch'' messages, but less good if you are using + something like PPP on a 14.4 modem. Based on code + contributed by Roy Mongiovi of Georgia Tech (my main + contribution was to make it configurable). + Save i-number of df file in qf file to simplify rebuilding of queue + after disastrous disk crash. Suggested by Kyle Jones of + UUNET; closely based on code from KJS DECWRL code written + by Paul Vixie. NOTA BENE: The qf files produced by 8.7 + are NOT back compatible with 8.6 -- that is, you can convert + from 8.6 to 8.7, but not the other direction. + Add ``F=d'' mailer flag to disable all use of angle brackets in + route-addrs in envelopes; this is because in some cases + they can be sent to the shell, which interprets them as + I/O redirection. + Don't include error file (option E) with return-receipts; this + can be confusing. + Don't send "Warning: cannot send" messages to owner-* or + *-request addresses. Suggested by Christophe Wolfhugel + of the Institut Pasteur, Paris. + Allow -O command line flag to set long form options. + Add "MinQueueAge" option to set the minimum time between attempts + to run the queue. For example, if the queue interval + (-q value) is five minutes, but the minimum queue age + is fifteen minutes, jobs won't be tried more often than + once every fifteen minutes. This can be used to give + you more responsiveness if your delivery mode is set to + queue-only. + Allow "fileopen" timeout (default: 60 seconds) for opening + :include: and .forward files. + Add "-k", "-v", and "-z" flags to map definitions; these set the + key field name, the value field name, and the field + delimiter. The field delimiter can be a single character + or the sequence "\t" or "\n" for tab or newline. + These are for use by NIS+ and similar access methods. + Change maps to always strip quotes before lookups; the -q flag + turns off this behavior. Suggested by Motonori Nakamura. + Add "nisplus" map class. Takes -k and -v flags to choose the + key and value field names respectively. Code donated by + Sun Microsystems. + Add "hesiod" map class. The "file name" is used as the + "HesiodNameType" parameter to hes_resolve(3). Returns the + first value found for the match. Code donated by Scott + Hutton of Indiana University. + Add "netinfo" (NeXT NetInfo) map class. Maps can have a -k flag to + specify the name of the property that is searched as the + key and a -v flag to specify the name of the property that + is returned as the value (defaults to "members"). The + default map is "/aliases". Some code based on code + contributed by Robert La Ferla of Hot Software. + Add "text" map class. This does slow, linear searches through + text files. The -z flag specifies a column delimiter + (defaults to any sequence of white space), the -k flag + sets the key column number, and the -v flag sets the + value column number. Lines beginning with `#' are treated + as comments. + Add "program" map class to execute arbitrary programs. The search + key is presented as the last argument; the output is one + line read from the programs standard output. Exit statuses + are from sysexits.h. + Add "sequence" map class -- searches maps in sequence until it + finds a match. For example, the declarations: + Kmap1 ... + Kmap2 ... + Kmapseq sequence map1 map2 + defines a map "mapseq" that first searches map1; if the + value is found it is returned immediately, otherwise + map2 is searched and the value returned. + Add "switch" map class. This is much like "sequence" except that + the ordering is fetched from an external file, usually + the system service switch. The parameter is the name of + the service to switch on, and the maps that it will use + are the name of the switch map followed by ".service_type". + For example, if the declaration of the map is + Ksample switch hosts + and the system service switch specifies that hosts are + looked up using dns and nis in that order, then this is + equivalent to + Ksample sequence sample.dns sample.nis + The subordinate maps (sample.*) must already be defined. + Add "user" map class -- looks up users using getpwnam. Takes a + "-v field" flag on the definition that tells what passwd + entry to return -- legal values are name, passwd, uid, gid, + gecos, dir, and shell. Generally expected to be used with + the -m (matchonly) flag. + Add "bestmx" map class -- returns the best MX value for the host + listed as the value. If there are several "best" MX records + for this host, one will be chosen at random. + Add "userdb" map class -- looks up entries in the user database. + The "file name" is actually the tag that will be used, + typically "mailname". If there are multiple entries + matching the name, the one chosen is undefined. + Add multiple queue timeouts (both return and warning). These are + set by the Precedence: or Priority: header fields to one of + three values. If a Priority: is set and has value "normal", + "urgent", or "non-urgent" the corresponding timeouts are + used. If no priority is set, the Precedence: is consulted; + if negative, non-urgent timeouts are used; if greater than + zero, urgent timeouts are used. Otherwise, normal timeouts + are used. The timeouts are set by setting the six timeouts + queue{warn,return}.{urgent,normal,non-urgent}. + Fix problem when a mail address is resolved to a $#error mailer + with a temporary failure indication; it works in SMTP, + but when delivering locally the mail is silently discarded. + This patch, from Kyle Jones of UUNET, bounces it instead + of queueing it (queueing is very hard). + When using /etc/hosts or NIS-style lookups, don't assume that + the first name in the list is the best one -- instead, + search for the first one with a dot. For example, if + an /etc/hosts entry reads + 128.32.149.68 mammoth mammoth.CS.Berkeley.EDU + this change will use the second name as the canonical + machine name instead of the initial, unqualified name. + Change dequote map to replace spaces in quoted text with a value + indicated by the -s flag on the dequote map definition. + For example, ``Mdequote dequote -s_'' will change + "Foo Bar" into an unquoted Foo_Bar instead of leaving it + quoted (because of the space character). Suggested by Dan + Oscarsson for use in X.400 addresses. + Implement long macro names as ${name}; long class names can + be similarly referenced as $={name} and $~{name}. + Definitions are (e.g.) ``D{name}value''. Names that have + a leading lower case letter or punctuation characters are + reserved for internal use by sendmail; i.e., config files + should use names that begin with a capital letter. Based + on code contributed by Dan Oscarsson. + Fix core dump if getgrgid returns a null group list (as opposed + to an empty group list, that is, a pointer to a list + with no members). Fix from Andrew Chang of Sun Microsystems. + Fix possible core dump if malloc fails -- if the malloc in xalloc + failed, it called syserr which called newstr which called + xalloc.... The newstr is now avoided for "panic" messages. + Reported by Stuart Kemp of James Cook University. + Improve connection cache timeouts; previously, they were not even + checked if you were delivering to anything other than an + IPC-connected host, so a series of (say) local mail + deliveries could cause cached connections to be open + much longer than the specified timeout. + If an incoming message exceeds the maximum message size, stop + writing the incoming bytes to the queue data file, since + this can fill your mqueue partition -- this is a possible + denial-of-service attack. + Don't reject all numeric local user names unless HESIOD is + defined. It turns out that Posix allows all-numeric + user names. Fix from Tony Sanders of BSDI. + Add service switch support. If the local OS has a service + switch (e.g., /etc/nsswitch.conf on Solaris or /etc/svc.conf + on DEC systems) that will be used; otherwise, it falls back + to using a local mechanism based on the ServiceSwitchFile + option (default: /etc/service.switch). For example, if the + service switch lists "files" and "nis" for the aliases + service, that will be the default lookup order. the "files" + ("local" on DEC) service type expands to any alias files + you listed in the configuration file, even if they aren't + actually file lookups. + Option I (NameServerOptions) no longer sets the "UseNameServer" + variable which tells whether or not DNS should be considered + canonical. This is now determined based on whether or not + "dns" is in the service list for "hosts". + Add preliminary support for the ESMTP "DSN" extension (Delivery + Status Notifications). DSN notifications override + Return-Receipt-To: headers, which are bogus anyhow -- + support for them has been removed. + Add T=mts-name-type/address-type/diagnostic-type keyletter to mailer + definitions to define the types used in DSN returns for + MTA names, addresses, and diagnostics respectively. + Extend heuristic to force running in ESMTP mode to look for the + five-character string "ESMTP" anywhere in the 220 greeting + message (not just the second line). This is to provide + better compatibility with other ESMTP servers. + Print sequence number of job when running the queue so you can + easily see how much progress you have made. Suggested + by Peter Wemm of DIALix. + Map newlines to spaces in logged message-ids; some versions of + syslog truncate the rest of the line after newlines. + Suggested by Fletcher Mattox of U. Texas. + Move up forking for job runs so that if a message is split into + multiple envelopes you don't get "fork storms" -- this + also improves the connection cache utilization. + Accept "<<>>", "<<<>>>", and so forth as equivalent to "<>" for + the purposes of refusing to send error returns. Suggested + by Motonori Nakamura of Ritsumeikan University. + Relax rules on when a file can be written when referenced from + the aliases file: use the default uid/gid instead of the + real uid/gid. This allows you to create a file owned by + and writable only by the default uid/gid that will work + all the time (without having the set-user-ID bit set). Change + suggested by Shau-Ping Lo and Andrew Cheng of Sun + Microsystems. + Add "DialDelay" option (no short name) to provide an "extra" + delay for dial on demand systems. If this is non-zero + and a connect fails, sendmail will wait this long and + then try again. If it takes longer than the kernel + timeout interval to establish the connection, this + option can give the network software time to establish + the link. The default units are seconds. + Move logging of sender information to be as early as possible; + previously, it could be delayed a while for SMTP mail + sent to aliases. Suggested by Brad Knowles of the + Defense Information Systems Agency. + Call res_init() before setting RES_DEBUG; this is required by + BIND 4.9.3, or so I'm told. From Douglas Anderson of + the National Computer Security Center. + Add xdelay= field in logs -- this is a transaction delay, telling + you how long it took to deliver to this address on the + last try. It is intended to be used for sorting mailing + lists to favor "quick" addresses. Provided for use by + the mailprio scripts (see below). + If a map cannot be opened, and that map is non-optional, and + an address requires that map for resolution, queue the + map instead of bouncing it. This involves creating a + pseudo-class of maps called "bogus-map" -- if a required + map cannot be opened, the class is changed to bogus-map; + all queries against bogus-map return "tempfail". The + bogus-map class is not directly accessible. A sample + implementation was donated by Jem Taylor of Glasgow + University Computing Service. + Fix a possible core dump when mailing to a program that talks + SMTP on its standard input. Fix from Keith Moore of + the University of Kentucky. + Make it possible to resolve filenames to $#local $: @ /filename; + previously, the "@" would cause it to not be recognized + as a file. Problem noted by Brian Hill of U.C. Davis. + Accept a -1 signal to re-exec the daemon. This only works if + argv[0] is a full path to sendmail. + Fix bug in "addr=..." field in O option on little-endian machines + -- the network number wasn't being converted to network + byte order. Patch from Kurt Lidl of Pix Technologies + Corporation. + Pre-initialize the resolver early on; this is to avoid a bug with + BIND 4.9.3 that can cause the _res.retry field to get + reset to zero, causing all name server lookups to time + out. Fix from Matt Day of Artisoft. + Restore T line (trusted users) in config file -- but instead of + locking out the -f flag, they just tell whether or not + an X-Authentication-Warning: will be added. This really + just creates new entries in class 't', so "Ft/file/name" + can be used to read trusted user names from a file. + Trusted users are also allowed to execute programs even + if they have a shell that isn't in /etc/shells. + Improve NEWDB alias file rebuilding so it will create them + properly if they do not already exist. This had been + a MAYBENEXTRELEASE feature in 8.6.9. + Check for @:@ entry in NIS maps before starting up to avoid + (but not prevent, sigh) race conditions. This ought to + be handled properly in ypserv, but isn't. Suggested by + Michael Beirne of Motorola. + Refuse connections if there isn't enough space on the filesystem + holding the queue. Contributed by Robert Dana of Wolf + Communications. + Skip checking for directory permissions in the path to a file + when checking for file permissions iff setreuid() + succeeded -- it is unnecessary in that case. This avoids + significant performance problems when looking for .forward + files. Based on a suggestion by Win Bent of USC. + Allow symbolic ruleset names. Syntax can be "Sname" to get an + arbitrary ruleset number assigned or "Sname = integer" + to assign a specific ruleset number. Reference is + $>name_or_number. Names can be composed of alphas, digits, + underscore, or hyphen (first character must be non-numeric). + Allow -o flag on AliasFile lines to make the alias file optional. + From Bryan Costales of ICSI. + Add NoRecipientAction option to handle the case where there is + no legal recipient header in the message. It can take + on values: + None Leave the message as is. The + message will be passed on even + though it is in technically + illegal syntax. + Add-To Add a To: header with any + recipients that it can find from + the envelope. This risks exposing + Bcc: recipients. + Add-Apparently-To Add an Apparently-To: header. This + has almost no redeeming social value, + and is provided only for back + compatibility. + Add-To-Undisclosed Add a header reading + To: undisclosed-recipients:; + which will have the effect of + making the message legal without + exposing Bcc: recipients. + Add-Bcc To add an empty Bcc: header. + There is a chance that mailers down + the line will delete this header, + which could cause exposure of Bcc: + recipients. + The default is NoRecipientAction=None. + Truncate (rather than delete) Bcc: lines in the header. This + should prevent later sendmails (at least, those that don't + themselves delete Bcc:) from considering this message to + be non-conforming -- although it does imply that non-blind + recipients can see that a Bcc: was sent, albeit not to whom. + Add SafeFileEnvironment option. If declared, files named as delivery + targets must be regular files in addition to the regular + checks. Also, if the option is non-null then it is used as + the name of a directory that is used as a chroot(2) + environment for the delivery; the file names listed in an + alias or forward should include the name of this root. + For example, if you run with + O SafeFileEnvironment=/arch + then aliases should reference "/arch/rest/of/path". If a + value is given, sendmail also won't try to save to + /usr/tmp/dead.letter (instead it just leaves the job in the + queue as Qfxxxxxx). Inspired by *Hobbit*'s sendmail patch kit. + Support -A flag for alias files; this will comma concatenate like + entries. For example, given the aliases: + list: member1 + list: member2 + and an alias file declared as: + OAhash:-A /etc/aliases + the final alias inserted will be "list: member1,member2"; + without -A you will get an error on the second and subsequent + alias for "list". Contributed by Bryan Costales of ICSI. + Line-buffer transcript file. Suggested by Liudvikas Bukys. + Fix a problem that could cause very long addresses to core dump in + some special circumstances. Problem pointed out by Allan + Johannesen. + (Internal change.) Change interface to expand() (macro expansion) + to be simpler and more consistent. + Delete check for funny qf file names. This didn't really give + any extra security and caused some people some problems. + (If you -really- want this, define PICKY_QF_NAME_CHECK + at compile time.) Suggested by Kyle Jones of UUNET. + (Internal change.) Change EF_NORETURN to EF_NO_BODY_RETN and + merge with DSN code; this is simpler and more consistent. + This may affect some people who have written their own + checkcompat() routine. + (Internal change.) Eliminate `D' line in qf file. The df file + is now assumed to be the same name as the qf file (with + the `q' changed to a `d', of course). + Avoid forking for delivery if all recipient mailers are marked as + "expensive" -- this can be a major cost on some systems. + Essentially, this forces sendmail into "queue only" mode + if all it is going to do is queue anyway. + Avoid sending a null message in some rather unusual circumstances + (specifically, the RCPT command returns a temporary + failure but the connection is lost before the DATA + command). Fix from Scott Hammond of Secure Computing + Corporation. + Change makesendmail to use a somewhat more rational naming scheme: + Makefiles and obj directories are named $os.$rel.$arch, + where $os is the operating system (e.g., SunOS), $rel is + the release number (e.g., 5.3), and $arch is the machine + architecture (e.g., sun4). Any of these can be omitted, + and anything after the first dot in a release number can + be replaced with "x" (e.g., SunOS.4.x.sun4). The previous + version used $os.$arch.$rel and was rather less general. + Change makesendmail to do a "make depend" in the target directory + when it is being created. This involves adding an empty + "depend:" entry in most Makefiles. + Ignore IDENT return value if the OSTYPE field returns "OTHER", + as indicated by RFC 1413. Pointed out by Kari Hurtta + of the Finnish Meteorological Institute. + Fix problem that could cause multiple responses to DATA command + on header syntax errors (e.g., lines beginning with colons). + Problem noted by Jens Thomassen of the University of Oslo. + Don't let null bytes in headers cause truncation of the rest of + the header. + Log Authentication-Warning:s. Suggested by Motonori Nakamura. + Increase timeouts on message data puts to allow time for receivers + to canonify addresses in headers on the fly. This is still + a rather ugly heuristic. From Motonori Nakamura. + Add "HasWildcardMX" suboption to ResolverOptions; if set, MX + records are not used when canonifying names, and when MX + lookups are done for addressing they must be fully + qualified. This is useful if you have a wildcard MX record, + although it may cause other problems. In general, don't use + wildcard MX records. Patch from Motonori Nakamura. + Eliminate default two-line SMTP greeting message. Instead of + adding an extra "ESMTP spoken here" line, the word "ESMTP" + is added between the first and second word of the first + line of the greeting message (i.e., immediately after the + host name). This eliminates the need for the BROKEN_SMTP_PEERS + compile flag. Old sendmails won't see the ESMTP, but that's + acceptable because SIZE was the only useful extension that + old sendmails understand. + Avoid gethostbyname calls on UNIX domain sockets during SIGUSR1 + invoked state dumps. From Masaharu Onishi. + Allow on-line comments in .forward and :include: files; they are + introduced by the string "#@#", where + is a space or a tab. This is intended for native + representation of non-ASCII sets such as Japanese, where + existing encodings would be unreadable or would lose + data -- for example, + NAKAMURA Motonori + (romanized/less information) + =?ISO-2022-JP?B?GyRCQ2ZCPBsoQg==?= + =?ISO-2022-JP?B?GyRCQUdFNRsoQg==?= + (with MIME encoding, not human readable) + #@# ^[$BCfB<^[(B ^[$BAGE5^[(B + (native encoding with ISO-2022-JP) + The last form is human readable in the Japanese environment. + Based on a fix from (surprise!) Motonori Nakamura. + Don't make SMTP error returns on MAIL FROM: line be "sticky" for all + messages to that host; these are most frequently associated + with addresses rather than the host, with the exception of + 421 (service shutting down). The effect was to cause queues + to sometimes take an excessive time to flush. Reported by + Robert Sargent of Southern Geographics Technologies and + Eric Prestemon of American University. + Add Nice=N mailer option to set the niceness at which a mailer will + run. This is actually a relative niceness (that is, an + increment on the background value). + Log queue runs that are skipped due to high loads. They are logged + at LOG_INFO priority iff the log level is > 8. Contributed + by Bruce Nagel of Data General. + Allow the error mailer to accept a DSN-style error status code + instead of an sysexits status code in the host part. + Anything with a dot will be interpreted as a DSN-style code. + Add new mailer flag: F=3 will tell translations to Quoted-Printable + to encode characters that might be munged by an EBCDIC system + in addition to the set required by RFC 1521. The additional + characters are !, ", #, $, @, [, \, ], ^, `, {, |, }, and ~. + (Think of "IBM 360" as the mnemonic for this flag.) + Change check for mailing to files to look for a pathname of [FILE] + rather than looking for the mailer named *file*. The mapping + of leading slashes still goes to the *file* mailer. This + allows you to implement the *file* mailer as a separate + program, for example, to insert a Content-Length: header + or do special security policy. However, note that the usual + initial checking for the file permissions is still done, and + the program in question needs to be very careful about how + it does the file write to avoid security problems. + Be able to read ~root/.forward even if the path isn't accessible to + regular users. This is disrecommended because sendmail + sometimes does not run as root (e.g., when an unsafe option + is specified on the command line), but should otherwise be + safe because .forward files must be owned by the user for + whom mail is being forwarded, and cannot be a symbolic link. + Suggested by Forrest Aldrich of Wang Laboratories. + Add new "HostsFile" option that is the pathname to the /etc/hosts + file. This is used for canonifying hostnames when the + service type is "files". + Implement programs on F (read class from file) line. The syntax is + Fc|/path/to/program to read the output from the program + into class "c". + Probe the network interfaces to find alternate names for this + host. Requires the SIOCGIFCONF ioctl call. Code + contributed by SunSoft. + Add "E" configuration line to set or propagate environment + variables into children. "E" will propagate + the named variable from the environment when sendmail + was invoked into any children it calls; "E=" + sets the named variable to the indicated value. Any + variables not explicitly named will not be in the child + environment. However, sendmail still forces an + "AGENT=sendmail" environment variable, in part to enforce + at least one environment variable, since many programs and + libraries die horribly if this is not guaranteed. + Change heuristic for rebuilding both NEWDB and NDBM versions of + alias databases -- new algorithm looks for the substring + "/yp/" in the file name. This is more portable and involves + less overhead. Suggested by Motonori Nakamura. + Dynamically allocate the queue work list so that you don't lose + jobs in large queue runs. The old QUEUESIZE compile parameter + is replaced by QUEUESEGSIZE (the unit of allocation, which + should not need to be changed) and the MaxQueueRunSize option, + which is the absolute maximum number of jobs that will ever + be handled in a single queue run. Based on code contributed + by Brian Coan of the Institute for Global Communications. + Log message when a message is dropped because it exceeds the maximum + message size. Suggested by Leo Bicknell of Virginia Tech. + Allow trusted users (those on a T line or in $=t) to use -bs without + an X-Authentication-Warning: added. Suggested by Mark Thomas + of Mark G. Thomas Consulting. + Announce state of compile flags on -d0.1 (-d0.10 throws in the + OS-dependent defines). The old semantic of -d0.1 to not + run the daemon in background has been moved to -d99.100, + and the old 52.5 flag (to avoid disconnect() from closing + all output files) has been moved to 52.100. This makes + things more consistent (flags below .100 don't change + semantics) and separates out the backgrounding so that + it doesn't happen automatically on other unrelated debugging + flags. + If -t is used but no addresses are found in the header, give an + error message rather than just doing nothing. Fix from + Motonori Nakamura. + On systems (like SunOS) where the effective gid is not necessarily + included in the group list returned by getgroups(), the + `restrictmailq' option could sometimes cause an authorized + user to not be able to use `mailq'. Fix from Charles Hannum + of MIT. + Allow symbolic service names for [IPC] mailers. Suggested by + Gerry Magennis of Logica International. + Add DontExpandCnames option to prevent $[ ... $] from expanding CNAMEs + when running DNS. For example, if the name FTP.Foo.ORG is + a CNAME for Cruft.Foo.ORG, then when sitting on a machine in + the Foo.ORG domain a lookup of "FTP" returns "Cruft.Foo.ORG" + if this option is not set, or "FTP.Foo.ORG" if it is set. + This is technically illegal under RFC 822 and 1123, but the + IETF is moving toward legalizing it. Note that turning on + this option is not sufficient to guarantee that a downstream + neighbor won't rewrite the address for you. + Add "-m" flag to makesendmail script -- this tells you what object + directory and Makefile it will use, but doesn't actually do + the make. + Do some additional checking on the contents of the qf file to try + to detect attacks against the qf file. In particular, + abort on any line beginning "From ", and add an "end of + file" line -- any data after that line is prohibited. + Always use /etc/sendmail.cf, regardless of the arbitrary vendor + choices. This can be overridden in the Makefile by using + either -DUSE_VENDOR_CF_PATH to get the vendor location + (to the extent that we know it) or by defining + _PATH_SENDMAILCF (which is a "hard override"). This allows + sendmail 8 to have more consistent installation instructions. + Allow macros on `K' line in config file. Suggested by Andrew Chang + of Sun Microsystems. + Improved symbol table hash function from Eric Wassenaar. This one + is at least 50% faster. + Fix problem that didn't notice that timeout on file open was a + transient error. Fix from Larry Parmelee of Cornell + University. + Allow comments (lines beginning with a `#') in files read for + classes. Suggested by Motonori Nakamura. + Make SIGINT (usually ^C) in test mode return to the prompt instead + of dropping out entirely. This makes testing some of the + name server lookups easier to deal with when there are + hung servers. From Motonori Nakamura. + Add new ${opMode} macro that is set to the current operation mode + (e.g., `s' for -bs, `t' for -bt, etc.). Suggested by + Claude Marinier . + Add new delivery mode (Odd) that defers all map lookups to queue runs. + Kind of like queue-only mode (Odq) except it tries to avoid + any external service requests; for dial-on-demand hosts that + want to minimize DNS lookups when mail is being queued. For + this to work you will also have to make sure that gethostbyname + of your local host name does not do a DNS lookup. + Improved handling of "out of space" conditions from John Myers of + Carnegie Mellon. + Improved security for mailing to files on systems that have fchmod(2) + support. + Improve "cannot send message for N days" message -- now says "could + not send for past N days". Suggested by Tom Moore of AT&T + Global Information Solutions. + Less misleading Subject: line on messages sent to postmaster only. + From Motonori Nakamura. + Avoid duplicate error messages on bad command line flags. From + Motonori Nakamura. + Better error message for case where ruleset 0 falls off the end + or otherwise does not resolve to a canonical triple. + Fix a problem that could cause multiple bounce messages if a bad + address was sent along with a good address to an SMTP + site where that SMTP site returned a 4yz code in response + to the final dot of the data. Problem reported by David + James of British Telecom. + Add "volatile" declarations so that gcc -O2 will work. Patches + from Alexander Dupuy of System Management ARTS. + Delete duplicates in MX lists -- believe it or not, there are sites + that list the same host twice in an MX list. This deletion + only works on adjacent preferences, so an MX list that + had A=5, B=10, A=15 would leave both As, but one that had + A=5, A=10, B=15 would reduce to A, B. This is intentional, + just in case there is something weird I haven't thought of. + Suggested by Barry Shein of Software Tool & Die. + SECURITY: .forward files cannot be symbolic links. If they are, + a bad guy can read your private files. + PORTABILITY FIXES: + Solaris 2 from Rob McMahon . + System V Release 4 from Motonori Nakamura of Ritsumeikan + University. This expands the disk size + checking to include all (?) SVR4 configurations. + System V Release 4 from Kimmo Suominen -- initgroups(3) + and setrlimit(2) are both available. + System V Release 4 from sob@sculley.ffg.com -- some versions + apparently "have EX_OK defined in other headerfiles." + Linux Makefile typo. + Linux getusershell(3) is broken in Slackware 2.0 -- + from Andrew Pam of Xanadu Australia. + More Linux tweaking from John Kennedy of California State + University, Chico. + Cray changes from Eric Wassenaar: ``On Cray, shorts, + ints, and longs are all 64 bits, and all structs + are multiples of 64 bits. This means that the + sizeof operator returns only multiples of 8. + This requires adaptation of code that really + deals with 32 bit or 16 bit fields, such as IP + addresses or nameserver fields.'' + DG/UX 5.4.3 from Mark T. Robinson . To + get the old behavior, use -DDGUX_5_4_2. + DG/UX hack: add _FORCE_MAIL_LOCAL_=yes environment + variable to fix bogus /bin/mail behavior. + Tandem NonStop-UX from Rick McCarty . + This also cleans up some System V Release 4 compile + problems. + Solaris 2: sendmail.cw file should be in /etc/mail to + match all the other configuration files. Fix + from Glenn Barry of Emory University. + Solaris 2.3: compile problem in conf.c. Fix from Alain + Nissen of the University of Liege, Belgium. + Ultrix: freespace calculation was incorrect. Fix from + Takashi Kizu of Osaka University. + SVR4: running in background gets a SIGTTOU because the + emulation code doesn't realize that "getpeername" + doesn't require reading the file. Fix from Peter + Wemm of DIALix. + Solaris 2.3: due to an apparent bug in the socket emulation + library, sockets can get into a "wedged" state where + they just return EPROTO; closing and re-opening the + socket clears the problem. Fix from Bob Manson + of Ohio State University. + Hitachi 3050R & 3050RX running HI-UX/WE2: portability + fixes from Akihiro Hashimoto ("Hash") of Chiba + University. + AIX changes to allow setproctitle to work from Rainer Schöpf + of Zentrum für Datenverarbeitung der Universität + Mainz. + AIX changes for load average from Ed Ravin of NASA/Goddard. + SCO Unix from Chip Rosenthal of Unicom (code was using the + wrong statfs call). + ANSI C fixes from Adam Glass (NetBSD project). + Stardent Titan/ANSI C fixes from Kate Hedstrom of Rutgers + University. + DG-UX fixes from Bruce Nagel of Data General. + IRIX64 updates from Mark Levinson of the University of + Rochester Medical Center. + Altos System V (``the first UNIX/XENIX merge the Altos + did for their Series 1000 & Series 2000 line; + their merged code was licensed back to AT&T and + Microsoft and became System V release 3.2'') from + Tim Rice . + OSF/1 running on Intel Paragon from Jeff A. Earickson + of Intel Scalable Systems + Division. + Amdahl UTS System V 2.1.5 (SVr3-based) from Janet Jackson + . + System V Release 4 (statvfs semantic fix) from Alain + Durand of I.M.A.G. + HP-UX 10.x multiprocessor load average changes from + Scott Hutton and Jeff Sumler of Indiana University. + Cray CSOS from Scott Bolte of Cray Computer Corporation. + Unicos 8.0 from Douglas K. Rand of the University of North + Dakota, Scientific Computing Center. + Solaris 2.4 fixes from Sanjay Dani of Dani Communications. + ConvexOS 11.0 from Christophe Wolfhugel. + IRIX 4.0.5 from David Ashton-Reader of CADcentre. + ISC UNIX from J. J. Bailey. + HP-UX 9.xx on the 8xx series machines from Remy Giraud + of Meteo France. + HP-UX configuration from Tom Lane . + IRIX 5.2 and 5.3 from Kari E. Hurtta. + FreeBSD 2.0 from Mike Hickey of Federal Data Corporation. + Sony NEWS-OS 4.2.1R and 6.0.3 from Motonori Nakamura. + Omron LUNA unios-b, mach from Motonori Nakamura. + NEC EWS-UX/V 4.2 from Motonori Nakamura. + NeXT 2.1 from Bryan Costales. + AUX patch thanks to Mike Erwin of Apple Computer. + HP-UX 10.0 from John Beck of Hewlett-Packard. + Ultrix: allow -DBROKEN_RES_SEARCH=0 if you are using a + non-DEC resolver. Suggested by Allan Johannesen. + UnixWare 2.0 fixes from Petr Lampa of the Technical + University of Brno (Czech Republic). + KSR OS 1.2.2 support from Todd Miller of the University + of Colorado. + UX4800 support from Kazuhisa Shimizu of NEC. + MAKEMAP: allow -d flag to allow insertion of duplicate aliases + in type ``btree'' maps. The semantics of this are undefined + for regular maps, but it can be useful for the user database. + MAKEMAP: lock database file while rebuilding to avoid sendmail + lookups while the rebuild is going on. There is a race + condition between the open(... O_TRUNC ...) and the lock + on the file, but it should be quite small. + SMRSH: sendmail restricted shell added to the release. This can + be used as an alternative to /bin/sh for the "prog" mailer, + giving the local administrator more control over what + programs can be run from sendmail. + MAIL.LOCAL: add this local mailer to the tape. It is not really + part of the release proper, and isn't fully supported; in + particular, it does not run on System V based systems and + never will. + CONTRIB: a patch to rmail.c from Bill Gianopoulos of Raytheon + to allow rmail to compile on systems that don't have + function prototypes and systems that don't have snprintf. + CONTRIB: add the "mailprio" scripts that will help you sort mailing + lists by transaction delay times so that addresses that + respond quickly get sent first. This is to prevent very + sluggish servers from delaying other peoples' mail. + Contributed by Tony Sanders of BSDI. + CONTRIB: add the "bsdi.mc" file as contributed by Tony Sanders + of BSDI. This has a lot of comments to help people out. + CONFIG: Don't have .mc files include(../m4/cf.m4) -- instead, + put this on the m4 command line. On GNU m4 (which + supports the __file__ primitive) you can run m4 in an + arbitrary directory -- use either: + m4 ${CFDIR}/m4/cf.m4 config.mc > config.cf + or + m4 -I${CFDIR} m4/cf.m4 config.mc > config.cf + On other versions of m4 that don't support __file__, you + can use: + m4 -D_CF_DIR_=${CFDIR}/ ${CFDIR}/m4/cf.m4 ... + (Note the trailing slash on the _CF_DIR_ definition.) + Old versions of m4 will default to _CF_DIR_=.. for back + compatibility. + CONFIG: fix mail from <> so it will properly convert to + MAILER-DAEMON on local addresses. + CONFIG: fix code that was supposed to catch colons in host + names. Problem noted by John Gardiner Myers of CMU. + CONFIG: allow use of SMTP_MAILER_MAX in nullclient configuration. + From Paul Riddle of the University of Maryland, Baltimore + County. + CONFIG: Catch and reject "." as a host address. + CONFIG: Generalize domaintable to look up all domains, not + just unqualified ones. + CONFIG: Delete OLD_SENDMAIL support -- as near as I can tell, it + was never used and didn't work anyway. + CONFIG: Set flags A, w, 5, :, /, |, and @ on the "local" mailer + and d on all mailers in the UUCP class. + CONFIG: Allow "user+detail" to be aliased specially: it will first + look for an alias for "user+detail", then for "user+*", and + finally for "user". This is intended for forwarding mail + for system aliases such as root and postmaster to a + centralized hub. + CONFIG: add confEIGHT_BIT_HANDLING to set option 8 (see above). + CONFIG: add smtp8 mailer; this has the F=8 (just-send-8) flag set. + The F=8 flag is also set on the "relay" mailer, since + this is expected to be another sendmail. + CONFIG: avoid qualifying all UUCP addresses sent via SMTP with + the name of the UUCP_RELAY -- in some cases, this is the + wrong value (e.g., when we have local UUCP connections), + and this can create unreplyable addresses. From Chip + Rosenthal of Unicom. + CONFIG: add confRECEIVED_HEADER to change the format of the + Received: header inserted into all messages. Suggested by + Gary Mills of the University of Manitoba. + CONFIG: Make "notsticky" the default; use FEATURE(stickyhost) + to get the old behavior. I did this upon observing + that almost everyone needed this feature, and that the + concept I was trying to make happen didn't work with + some user agents anyway. FEATURE(notsticky) still works, + but it is a no-op. + CONFIG: Add LUSER_RELAY -- the host to which unrecognized user + names are sent, rather than immediately diagnosing them + as User Unknown. + CONFIG: Add SMTP_MAILER_ARGS, ESMTP_MAILER_ARGS, SMTP8_MAILER_ARGS, + and RELAY_MAILER_ARGS to set the arguments for the + indicated mailers. All default to "IPC $h". Patch from + Larry Parmelee of Cornell University. + CONFIG: pop mailer needs F=n flag to avoid "annoying side effects + on the client side" and F=P to get an appropriate + return-path. From Kimmo Suominen. + CONFIG: add FEATURE(local_procmail) to use the procmail program + as the local mailer. For addresses of the form "user+detail" + the "detail" part is passed to procmail via the -a flag. + Contributed by Kimmo Suominen. + CONFIG: add MAILER(procmail) to add an interface to procmail for + use from mailertables. This lets you execute arbitrary + procmail scripts. Contributed by Kimmo Suominen. + CONFIG: add T= fields (MTS type) to local, smtp, and uucp mailers. + CONFIG: add OSTYPE(ptx2) for DYNIX/ptx 2.x from Sequent. From + Paul Southworth of CICNet Systems Support. + CONFIG: use -a$g as default to UUCP mailers, instead of -a$f. + This causes the null return path to be rewritten as + MAILER-DAEMON; otherwise UUCP gets horribly confused. + From Michael Hohmuth of Technische Universitat Dresden. + CONFIG: Add FEATURE(bestmx_is_local) to cause any hosts that + list us as the best possible MX record to be treated as + though they were local (essentially, assume that they + are included in $=w). This can cause additional DNS + traffic, but is easier to administer if this fits your + local model. It does not work reliably if there are + multiple hosts that share the best MX preference. + Code contributed by John Oleynick of Rutgers. + CONFIG: Add FEATURE(smrsh) to use smrsh (the SendMail Restricted + SHell) instead of /bin/sh as the program used for delivery + to programs. If an argument is included, it is used as + the path to smrsh; otherwise, /usr/local/etc/smrsh is + assumed. + CONFIG: Add LOCAL_MAILER_MAX and PROCMAILER_MAILER_MAX to limit the + size of messages to the local and procmail mailers + respectively. Contributed by Brad Knowles of the Defense + Information Systems Agency. + CONFIG: Handle leading ``phrase:'' and trailing ``;'' as comments + (just like text outside of angle brackets) in order to + properly deal with ``group: addr1, ... addrN;'' syntax. + CONFIG: Require OSTYPE macro (the defaults really don't apply to + any real systems any more) and tweak the DOMAIN macro + so that it is less likely that users will accidentally use + the Berkeley defaults. Also, create some generic files + that really can be used in the real world. + CONFIG: Add new configuration macros to set character sets for + messages _arriving from_ various mailers: LOCAL_MAILER_CHARSET, + SMTP_MAILER_CHARSET, and UUCP_MAILER_CHARSET. + CONFIG: Change UUCP_MAX_SIZE to UUCP_MAILER_MAX for consistency. + The old name will still be accepted for a while at least. + CONFIG: Implement DECNET_RELAY as spec for host to which DECNET + mail (.DECNET pseudo-domain or node::user) will be sent. + As with all relays, it can be ``mailer:hostname''. Suggested + by Scott Hutton. + CONFIG: Add MAILER(mail11) to get DECnet support. Code contributed + by Barb Dijker of Labyrinth Computer Services. + CONFIG: change confCHECK_ALIASES to default to False -- it has poor + performance for large alias files, and this confused many + people. + CONFIG: Add confCF_VERSION to append local information to the + configuration version number displayed during SMTP startup. + CONFIG: fix some.newsgroup.usenet@local.host syntax (previously it + would only work when locally addressed. Fix from + Edvard Tuinder of Cistron Internet Services. + CONFIG: use ${opMode} to avoid error on .REDIRECT addresses if option + "n" (CheckAliases) is set when rebuilding alias database. + Based on code contributed by Claude Marinier. + CONFIG: Allow mailertable to have values of the form + ``error:code message''. The ``code'' is a status code + derived from the sysexits codes -- e.g., NOHOST or UNAVAILABLE. + Contributed by David James . + CONFIG: add MASQUERADE_DOMAIN(domain list) to extend the list of + sender domains that will be replaced with the masquerade name. + These domains will not be treated as local, but if mail passes + through with sender addresses in those domains they will be + replaced by the masquerade name. These can also be specified + in a file using MASQUERADE_DOMAIN_FILE(filename). + CONFIG: add FEATURE(masquerade_envelope) to masquerade the envelope + as well as the header. Substantial improvements to this + code were contributed by Per Hedeland. + CONFIG: add MAILER(phquery) to define a new "ph" mailer; this can be + accessed from a mailertable to do CCSO ph lookups. Contributed + by Kimmo Suominen. + CONFIG: add MAILER(cyrus) to define a new Cyrus mailer; this can be + used to define cyrus and cyrusbb mailers (for IMAP support). + Contributed by John Gardiner Myers of Carnegie Mellon. + CONFIG: add confUUCP_MAILER to select default mailer to use for + UUCP addressing. Suggested by Tom Moore of AT&T GIS. + NEW FILES: + cf/cf/cs-hpux10.mc + cf/cf/cs-solaris2.mc + cf/cf/cyrusproto.mc + cf/cf/generic-bsd4.4.mc + cf/cf/generic-hpux10.mc + cf/cf/generic-hpux9.mc + cf/cf/generic-osf1.mc + cf/cf/generic-solaris2.mc + cf/cf/generic-sunos4.1.mc + cf/cf/generic-ultrix4.mc + cf/cf/huginn.cs.mc + cf/domain/berkeley-only.m4 + cf/domain/generic.m4 + cf/feature/bestmx_is_local.m4 + cf/feature/local_procmail.m4 + cf/feature/masquerade_envelope.m4 + cf/feature/smrsh.m4 + cf/feature/stickyhost.m4 + cf/feature/use_ct_file.m4 + cf/m4/cfhead.m4 + cf/mailer/cyrus.m4 + cf/mailer/mail11.m4 + cf/mailer/phquery.m4 + cf/mailer/procmail.m4 + cf/ostype/amdahl-uts.m4 + cf/ostype/bsdi2.0.m4 + cf/ostype/hpux10.m4 + cf/ostype/irix5.m4 + cf/ostype/isc4.1.m4 + cf/ostype/ptx2.m4 + cf/ostype/unknown.m4 + contrib/bsdi.mc + contrib/mailprio + contrib/rmail.oldsys.patch + mail.local/mail.local.0 + makemap/makemap.0 + smrsh/README + smrsh/smrsh.0 + smrsh/smrsh.8 + smrsh/smrsh.c + src/Makefiles/Makefile.CSOS + src/Makefiles/Makefile.EWS-UX_V + src/Makefiles/Makefile.HP-UX.10 + src/Makefiles/Makefile.IRIX.5.x + src/Makefiles/Makefile.IRIX64 + src/Makefiles/Makefile.ISC + src/Makefiles/Makefile.KSR + src/Makefiles/Makefile.NEWS-OS.4.x + src/Makefiles/Makefile.NEWS-OS.6.x + src/Makefiles/Makefile.NEXTSTEP + src/Makefiles/Makefile.NonStop-UX + src/Makefiles/Makefile.Paragon + src/Makefiles/Makefile.SCO.3.2v4.2 + src/Makefiles/Makefile.SunOS.5.3 + src/Makefiles/Makefile.SunOS.5.4 + src/Makefiles/Makefile.SunOS.5.5 + src/Makefiles/Makefile.UNIX_SV.4.x.i386 + src/Makefiles/Makefile.uts.systemV + src/Makefiles/Makefile.UX4800 + src/aliases.0 + src/mailq.0 + src/mime.c + src/newaliases.0 + src/sendmail.0 + test/t_seteuid.c + RENAMED FILES: + cf/cf/alpha.mc => cf/cf/s2k-osf1.mc + cf/cf/chez.mc => cf/cf/chez.cs.mc + cf/cf/hpux-cs-exposed.mc => cf/cf/cs-hpux9.mc + cf/cf/osf1-cs-exposed.mc => cf/cf/cs-osf1.mc + cf/cf/s2k.mc => cf/cf/s2k-ultrix4.mc + cf/cf/sunos4.1-cs-exposed.mc => cf/cf/cs-sunos4.1.mc + cf/cf/ultrix4.1-cs-exposed.mc => cf/cf/cs-ultrix4.mc + cf/cf/vangogh.mc => cf/cf/vangogh.cs.mc + cf/domain/Berkeley.m4 => cf/domain/Berkeley.EDU.m4 + cf/domain/cs-exposed.m4 => cf/domain/CS.Berkeley.EDU.m4 + cf/domain/eecs-hidden.m4 => cf/domain/EECS.Berkeley.EDU.m4 + cf/domain/s2k.m4 => cf/domain/S2K.Berkeley.EDU.m4 + cf/ostype/hpux.m4 => cf/ostype/hpux9.m4 + cf/ostype/irix.m4 => cf/ostype/irix4.m4 + cf/ostype/ultrix4.1.m4 => cf/ostype/ultrix4.m4 + src/Makefile.* => src/Makefiles/Makefile.* + src/Makefile.AUX => src/Makefiles/Makefile.A-UX + src/Makefile.BSDI => src/Makefiles/Makefile.BSD-OS + src/Makefile.DGUX => src/Makefiles/Makefile.dgux + src/Makefile.RISCos => src/Makefiles/Makefile.UMIPS + src/Makefile.SunOS.4.0.3 => src/Makefiles/Makefile.SunOS.4.0 + OBSOLETED FILES: + cf/cf/cogsci.mc + cf/cf/cs-exposed.mc + cf/cf/cs-hidden.mc + cf/cf/hpux-cs-hidden.mc + cf/cf/knecht.mc + cf/cf/osf1-cs-hidden.mc + cf/cf/sunos3.5-cs-exposed.mc + cf/cf/sunos3.5-cs-hidden.mc + cf/cf/sunos4.1-cs-hidden.mc + cf/cf/ultrix4.1-cs-hidden.mc + cf/domain/cs-hidden.m4 + contrib/rcpt-streaming + src/Makefiles/Makefile.SunOS.5.x + +8.6.13/8.6.12 1996/01/25 + SECURITY: In some cases it was still possible for an attacker to + insert newlines into a queue file, thus allowing access to + any user (except root). + CONFIG: no changes -- it is not a bug that the configuration + version number is unchanged. + +8.6.12/8.6.12 1995/03/28 + Fix to IDENT code (it was getting the size of the reply buffer + too small, so nothing was ever accepted). Fix from several + people, including Allan Johannesen, Shane Castle of the + Boulder County Information Services, and Jeff Smith of + Warwick University (all arrived within a few hours of + each other!). + Fix a problem that could cause large jobs to run out of + file descriptors on systems that use vfork() rather + than fork(). + +8.6.11/8.6.11 1995/03/08 + The ``possible attack'' message would be logged more often + than necessary if you are using Pine as a user agent. + The wrong host would be reported in the ``possible attack'' + message when attempted from IDENT. + In some cases the syslog buffer could be overflowed when + reporting the ``possible attack'' message. This can + cause denial of service attacks. Truncate the message + to 80 characters to prevent this problem. + When reading the IDENT response a loop is needed around the + read from the network to ensure that you don't get + partial lines. + Password entries without any shell listed (that is, a null + shell) wouldn't match as "ok". Problem noted by + Rob McMahon. + When running BIND 4.9.x a problem could occur because the + _res.options field is initialized differently than it + was historically -- this requires that sendmail call + res_init before it tweaks any bits. + Fix an incompatibility in openxscript() between the file open mode + and the stdio mode passed to fdopen. This caused UnixWare + 2.0 to have conniptions. Fix from Martin Sohnius of + Novell Labs Europe. + Fix problem with static linking of local getopt routine when + using GNU's ld command. Fix from John Kennedy of + Cal State Chico. + It was possible to turn off privacy flags. Problem noted by + *Hobbit*. + Be more paranoid about writing files. Suggestions by *Hobbit* + and Liudvikas Bukys. + MAKEMAP: fixes for 64 bit machines (DEC Alphas in particular) + from Spider Boardman. + CONFIG: No changes (version number only, to keep it in sync + with the binaries). + +8.6.10/8.6.10 1995/02/10 + SECURITY: Diagnose bogus values to some command line flags that + could allow trash to get into headers and qf files. + Validate the name of the user returned by the IDENT protocol. + Some systems that really dislike IDENT send intentionally + bogus information. Problem pointed out by Michael Bushnell + of the Free Software Foundation. Has some security + implications. + Fix a problem causing error messages about DNS problems when + the host name contained a percent sign to act oddly + because it was passed as a printf-style format string. + In some cases this could cause core dumps. + Avoid possible buffer overrun in returntosender() if error + message is quite long. From Fletcher Mattox of the + University of Texas. + Fix a problem that would silently drop "too many hops" error + messages if and only if you were sending to an alias. + From Jon Giltner of the University of Colorado and + Dan Harton of Oak Ridge National Laboratory. + Fix a bug that caused core dumps on some systems if -d11.2 was + set and e->e_message was null. Fix from Bruce Nagel of + Data General. + Fix problem that can still cause df files to be left around + after "hop count exceeded" messages. Fix from Andrew + Chang and Shau-Ping Lo of SunSoft. + Fix a problem that can cause buffer overflows on very long + user names (as might occur if you piped to a program + with a lot of arguments). + Avoid returning an error and re-queueing if the host signature + is null; this can occur on addresses like ``user@.''. + Problem noted by Wesley Craig and the University of + Michigan. + Avoid possible calls to malloc(0) if MCI caching is turned + off. Bug fix from Pierre David of the Laboratoire + Parallelisme, Reseaux, Systemes et Modelisation (PRiSM), + Universite de Versailles - St Quentin, and Jacky + Thibault. + Make a local copy of the line being sent via senttolist() -- in + some cases, buffers could get trashed by map lookups + causing it to do unexpected things. This also simplifies + some of the map code. + CONFIG: No changes (version number only, to keep it in sync + with the binaries). + +8.6.9/8.6.9 1994/04/19 + Do all mail delivery completely disconnected from any terminal. + This provides consistency with daemon delivery and + may have some security implications. + Make sure that malloc doesn't get called with zero size, + since that fails on some systems. Reported by Ed + Hill of the University of Iowa. + Fix multi-line values for $e (SMTP greeting message). Reported + by Mike O'Connor of Ford Motor Company. + Avoid syserr if no NIS domain name is defined, but the map it + is trying to open is optional. From Win Bent of USC. + Changes for picky compilers from Ed Gould of Digital Equipment. + Hesiod support for UDB from Todd Miller of the University of + Colorado. Use "hesiod" as the service name in the U + option. + Fix a problem that failed to set the "authentic" host name (that + is, the one derived from the socket info) if you called + sendmail -bs from inetd. Based on code contributed by + Todd Miller (this problem was also reported by Guy Helmer + of Dakota State University). This also fixes a related + problem reported by Liudvikas Bukys of the University of + Rochester. + Parameterize "nroff -h" in all the Makefiles so people with + variant versions can use them easily. Suggested by + Peter Collinson of Hillside Systems. + SMTP "MAIL" commands with multiple ESMTP parameters required two + spaces between parameters instead of one. Reported by + Valdis Kletnieks of Virginia Tech. + Reduce the number of system calls during message collection by + using global timeouts around the collect() loop. This + code was contributed by Eric Wassenaar. + If the initial hostname name gathering results in a name + without a dot (usually caused by NIS misconfiguration) + and BIND is compiled in, directly access DNS to get + the canonical name. This should make life easier for + Solaris systems. If it still can't be resolved, and + if the name server is listed as "required", try again + in 30 seconds. If that also fails, exit immediately to + avoid bogus "config error: mail loops back to myself" + messages. + Improve the "MAIL DELETED BECAUSE OF LACK OF DISK SPACE" error + message to explain how much space was available and + sound a bit less threatening. Suggested by Stan Janet + of the National Institute of Standards and Technology. + If mail is delivered to an alias that has an owner, deliver any + requested return-receipt immediately, and strip the + Return-Receipt-To: header from the subsequent message. + This prevents a certain class of denial of service + attack, arguably gives more reasonable semantics, and + moves things more towards what will probably become a + network standard. Suggested by Christopher Davis of + Kapor Enterprises. + Add a "noreceipts" privacy flag to turn off all return receipts + without recompiling. + Avoid printing ESMTP parameters as part of the error message + if there are errors during parsing. This change is + purely cosmetic. + Avoid sending out error messages during the collect phase of + SMTP; there is an MVS mailer from UCLA that gets + confused by this. Of course, I think it's their bug.... + Check for the $j macro getting undefined, losing a dot, or getting + lost from $=w in the daemon before accepting a connection; + if it is, it dumps state, prints a LOG_ALERT message, + and drops core for debugging. This is an attempt to + track down a bug that I thought was long since gone. + If you see this, please forward the log fragment to + sendmail@sendmail.ORG. + Change OLD_NEWDB from a #ifdef to a #if so it can be turned off + with -DOLD_NEWDB=0 on the command line. From Christophe + Wolfhugel. + Instead of trying to truncate the listen queue for the server + SMTP port when the load average is too high, just close + the port completely and reopen it later as needed. + This ensures that the other end gets a quick "connection + refused" response, and that the connection can be + recovered later. In particular, some socket emulations + seem to get confused if you tweak the listen queue + size around and can never start listening to connections + again. The down side is that someone could start up + another daemon process in the interim, so you could + have multiple daemons all not listening to connections; + this could in turn cause the sendmail.pid file to be + incorrect. A better approach might be to accept the + connection and give a 421 code, but that could break + other mailers in mysterious ways and have paging behavior + implications. + Fix a glitch in TCP-level debugging that caused flag 16.101 to + set debugging on the wrong socket. From Eric Wassenaar. + When creating a df* temporary file, be sure you truncate any + existing data in the file -- otherwise system crashes + and the like could result in extra data being sent. + DOC: Replace the CHANGES-R5-R8 readme file with a paper in the + doc directory. This includes some additional + information. + CONFIG: change UUCP rules to never add $U! or $k! on the front + of recipient envelope addresses. This should have been + handled by the $&h trick, but broke if people were + mixing domainized and UUCP addresses. They should + probably have converted all the way over to uucp-uudom + instead of uucp-{new,old}, but the failure mode was to + loop the mail, which was bad news. + Portability fixes: + Newer BSDI systems (several people). + Older BSDI systems from Christophe Wolfhugel. + Intergraph CLIX, from Paul Southworth of CICNet. + UnixWare, from Evan Champion. + NetBSD from Adam Glass. + Solaris from Quentin Campbell of the University of + Newcastle upon Tyne. + IRIX from Dean Cookson and Bill Driscoll of Mitre + Corporation. + NCR 3000 from Kevin Darcy of Chrysler Financial Corporation. + SunOS (it has setsid() and setvbuf() calls) from + Jonathan Kamens of OpenVision Technologies. + HP-UX from Tor Lillqvist. + New Files: + src/Makefile.CLIX + src/Makefile.NCR3000 + doc/changes/Makefile + doc/changes/changes.me + doc/changes/changes.ps + +8.6.8/8.6.6 1994/03/21 + SECURITY: it was possible to read any file as root using the + E (error message) option. Reported by Richard Jones; + fixed by Michael Corrigan and Christophe Wolfhugel. + +8.6.7/8.6.6 1994/03/14 + SECURITY: it was possible to get root access by using weird + values to the -d flag. Thanks to Alain Durand of + INRIA for forwarding me the notice from the bugtraq + list. + +8.6.6/8.6.6 1994/03/13 + SECURITY: the ability to give files away on System V-based + systems proved dangerous -- don't run as the owner + of a :include: file on a system that allows giveaways. + Unfortunately, this also applies to determining a + valid shell. + IMPORTANT: Previous versions weren't expiring old connections + in the connection cache for a long time under some + circumstances. This could result in resource exhaustion, + both at your end and at the other end. This checks the + connections for timeouts much more frequently. From + Doug Anderson of NCSC. + Fix a glitch that snuck in that caused programs to be run as + the sender instead of the recipient if the mail was + from a local user to another local user. From + Motonori Nakamura of Kyoto University. + Fix "wildcard" on /etc/shells matching -- instead of looking + for "*", look for "/SENDMAIL/ANY/SHELL/". From + Bryan Costales of ICSI. + Change the method used to declare the "statfs" availability; + instead of HASSTATFS and/or HASUSTAT with a ton of + tweaking in conf.c, there is a single #define called + SFS_TYPE which takes on one of six values (SFS_NONE + for no statfs availability, SFS_USTAT for the ustat(2) + syscall, SFS_4ARGS for a four argument statfs(2) call, + and SFS_VFS, SFS_MOUNT, or SFS_STATFS for a two argument + statfs(2) call with the declarations in , + , or respectively). + Fix glitch in NetInfo support that could return garbage if + there was no "/locations/sendmail" property. From + David Meyer of the University of Virginia. + Change HASFLOCK from defined/not-defined to a 0/1 definition + to allow Linux to turn it off even though it is a + BSD-like system. + Allow setting of "ident" timeout to zero to turn off the ident + protocol entirely. + Make 7-bit stripping local to a connection (instead of to a + mailer); this allows you to specify that SMTP is a + 7-bit channel, but revert to 8-bit should it advertise + that it supports 8BITMIME. You still have to specify + mailer flag 7 to get this stripping at all. + Improve makesendmail script so it handles more cases automatically. + Tighten up restrictions on taking ownership of :include: files + to avoid problems on systems that allow you to give away + files. + Fix a problem that made it impossible to rebuild the alias + file if it was on a read-only file system. From + Harry Edmon of the University of Washington. + Improve MX randomization function. From John Gardiner Myers + of CMU. + Fix a minor glitch causing a bogus message to be printed (used + %s instead of %d in a printf string for the line number) + when a bad queue file was read. From Harry Edmon. + Allow $s to remain NULL on locally generated mail. I'm not + sure this is necessary, but a lot of people have complained + about it, and there is a legitimate question as to whether + "localhost" is legal as an 822-style domain. + Fix a problem with very short line lengths (mailer L= flag) in + headers. This causes a leading space to be added onto + continuation lines (including in the body!), and also + tries to wrap headers containing addresses (From:, To:, + etc) intelligently at the shorter line lengths. Problem + Reported by Lars-Johan Liman of SUNET Operations Center. + Log the real user name when logging syserrs, since these can have + security implications. Suggested by several people. + Fix address logging of cached connections -- it used to always + log the numeric address as zero. This is a somewhat + bogus implementation in that it does an extra system + call, but it should be an inexpensive one. Fix from + Motonori Nakamura. + Tighten up handling of short syslog buffers even more -- there + were cases where the outgoing relay= name was too long + to share a line with delay= and mailer= logging. + Limit the overhead on split envelopes to one open file descriptor + per envelope -- previously the overhead was three + descriptors. This was in response to a problem reported + by P{r (Pell) Emanuelsson. + Fixes to better handle the case of unexpected connection closes; + this redirects the output to the transcript so the info + is not lost. From Eric Wassenaar. + Fix potential string overrun if you macro evaluate a string that + has a naked $ at the end. Problem noted by James Matheson + . + Make default error number on $#error messages 553 (``Requested + action not taken: mailbox name not allowed'') instead of + 501 (``Syntax error in parameters or arguments'') to + avoid bogus "protocol error" messages. + Strip off any existing trailing dot on names during $[ ... $] + lookup. This prevents it from ending up with two dots + on the end of dot terminated names. From Wesley Craig + of the University of Michigan and Bryan Costales of ICSI. + Clean up file class reading so that the debugging information is + more informative. It hadn't been using setclass, so you + didn't see the class items being added. + Avoid core dump if you are running a version of sendmail where + NIS is compiled in, and you specify an NIS map, but + NIS is not running. Fix from John Oleynick of + Rutgers. + Diagnose bizarre case where res_search returns a failure value, + but sets h_errno to a success value. + Make sure that "too many hops" messages are considered important + enough to send an error to the Postmaster (that is, the + address specified in the P option). This fix should + help problems that cause the df file to be left around + sometimes -- unfortunately, I can't seem to reproduce + the problem myself. + Avoid core dump (null pointer reference) on EXPN command; this + only occurred if your log level was set to 10 or higher + and the target account was an alias or had a .forward file. + Problem noted by Janne Himanka. + Avoid "denial of service" attacks by someone who is flooding your + SMTP port with bad commands by shutting the connection + after 25 bad commands are issued. From Kyle Jones of + UUNET. + Fix core dump on error messages with very long "to" buffers; + fmtmsg overflows the message buffer. Fixed by trimming + the to address to 203 characters. Problem reported by + John Oleynick. + Fix configuration for HASFLOCK -- there were some spots where + a #ifndef was incorrectly #ifdef. Pointed out by + George Baltz of the University of Maryland. + Fix a typo in savemail() that could cause the error message To: + lists to be incorrect in some places. From Motonori + Nakamura. + Fix a glitch that can cause duplicate error messages on split + envelopes where an address on one of the lists has a + name server failure. Fix from Voradesh Yenbut of the + University of Washington. + Fix possible bogus pointer reference on ESMTP parameters that + don't have an ``=value'' part. + CNAME loops caused an error message to be generated, but also + re-queued the message. Changed to just re-queue the + message (it's really hard to just bounce it because + of the weird way the name server works in the presence + of CNAME loops). Problem noted by James M.R.Matheson + of Cambridge University. + Avoid giving ``warning: foo owned process doing -bs'' messages + if they use ``MAIL FROM:'' where foo is their true + user name. Suggested by Andreas Stolcke of ICSI. + Change the NAMED_BIND compile flag to be a 0/1 flag so you can + override it easily in the Makefile -- that is, you can + turn it off using -DNAMED_BIND=0. + If a gethostbyname(...) of an address with a trailing dot fails, + try it without the trailing dot. This is because if + you have a version of gethostbyname() that falls back + to NIS or the /etc/hosts file it will fail to find + perfectly reasonable names that just don't happen to + be dot terminated in the hosts file. You don't want to + strip the dot first though because we're trying to ensure + that country names that match one of your subdomains get + a chance. + PRALIASES: fix bogus output on non-null-terminated strings. + From Bill Gianopoulos of Raytheon. + CONFIG: Avoid rewriting anything that matches $w to be $j. + This was in code intended to only catch the self-literal + address (that is, [1.2.3.4], where 1.2.3.4 is your + IP address), but the code was broken. However, it will + still do this if $M is defined; this is necessary to + get client configurations to work (sigh). Note that this + means that $M overrides :mailname entries in the user + database! Problem noted by Paul Southworth. + CONFIG: Fix definition of Solaris help file location. From + Steve Cliffe . + CONFIG: Fix bug that broke news.group.USENET mappings. + CONFIG: Allow declaration of SMTP_MAILER_MAX, FAX_MAILER_MAX, + and USENET_MAILER_MAX to tweak the maximum message + size for various mailers. + CONFIG: Change definition of USENET_MAILER_ARGS to include argv[0] + instead of assuming that it is "inews" for consistency + with other mailers. From Michael Corrigan of UC San Diego. + CONFIG: When mail is forwarded to a LOCAL_RELAY or a MAIL_HUB, + qualify the address in the SMTP envelope as user@{relay|hub} + instead of user@$j. From Bill Wisner of The Well. + CONFIG: Fix route-addr syntax in nullrelay configuration set. + CONFIG: Don't turn off case mapping of user names in the local + mailer for IRIX. This was different than most every other + system. + CONFIG: Avoid infinite loops on certainly list:; syntaxes in + envelope. Noted by Thierry Besancon + . + CONFIG: Don't include -z by default on uux line -- most systems + don't want it set by default. Pointed out by Philippe + Michel of Thomson CSF. + CONFIG: Fix some bugs with mailertables -- for example, if your + host name was foo.bar.ray.com and you matched against + ".ray.com", the old implementation bound %1 to "bar" + instead of "foo.bar". Also, allow "." in the mailertable + to match anything -- essentially, take over SMART_HOST. + This also moves matching of explicit local host names + before the mailertable so they don't have to be special + cased in the mailertable data. Reported by Bill + Gianopoulos of Raytheon; the fix for the %1 binding + problem was contributed by Nicholas Comanos of the + University of Sydney. + CONFIG: Don't include "root" in class $=L (users to deliver + locally, even if a hub or relay exists) by default. + This is because of the known bug where definition of + both a LOCAL_RELAY and a MAIL_HUB causes $=L to ignore + both and deliver into the local mailbox. + CONFIG: Move up bitdomain and uudomain handling so that they + are done before .UUCP class matching; uudomain was + reported as ineffective before. This also frees up + diversion 8 for future use. Problem reported by Kimmo + Suominen. + CONFIG: Don't try to convert dotted IP address (e.g., [1.2.3.4]) + into host names. As pointed out by Jonathan Kamens, + these are often used because either the forward or reverse + mapping is broken; this translation makes it broken again. + DOC: Clarify $@ and $: in the Install & Op Guide. From Kimmo + Suominen. + Portability fixes: + Unicos from David L. Kensiski of Sterling Software. + DomainOS from Don Lewis of Silicon Systems. + GNU m4 1.0.3 from Karst Koymans of Utrecht University. + Convex from Kimmo Suominen . + NetBSD from Adam Glass . + BSD/386 from Tony Sanders of BSDI. + Apollo from Eric Wassenaar. + DGUX from Doug Anderson. + Sequent DYNIX/ptx 2.0 from Tim Wright of Sequent. + NEW FILES: + src/Makefile.DomainOS + src/Makefile.PTX + src/Makefile.SunOS.5.1 + src/Makefile.SunOS.5.2 + src/Makefile.SunOS.5.x + src/mailq.1 + cf/ostype/domainos.m4 + doc/op/Makefile + doc/intro/Makefile + doc/usenix/Makefile + +8.6.5/8.6.5 1994/01/13 + Security fix: /.forward could be owned by anyone (the test + to allow root to own any file was backwards). From + Bob Campbell at U.C. Berkeley. + Security fix: group ids were not completely set when programs + were invoked. This caused programs to have group + permissions they should not have had (usually group + daemon instead of their own group). In particular, + Perl scripts would refuse to run. + Security: check to make sure files that are written are not + symbolic links (at least under some circumstances). + Although this does not respond to a specific known + attack, it's just a good idea. Suggested by + Christian Wettergren. + Security fix: if a user had an NFS mounted home directory on + a system with a restricted shell listed in their + /etc/passwd entry, they could still execute any + program by putting that in their .forward file. + This fix prevents that by insisting that their shell + appear in /etc/shells before allowing a .forward to + execute a program or write a file. You can disable + this by putting "*" in /etc/shells. It also won't + permit world-writable :include: files to reference + programs or files (there's no way to disable this). + These behaviors are only one level deep -- for + example, it is legal for a world-writable :include: + file to reference an alias that writes a file, on + the assumption that the alias file is well controlled. + Security fix: root was not treated suspiciously enough when + looking into subdirectories. This would potentially + allow a cracker to examine files that were publicly + readable but in a non-publicly searchable directory. + Fix a problem that causes an error on QUIT on a cached + connection to create problems on the current job. + These are typically unrelated, so errors occur in + the wrong place. + Reset CurrentLA in sendall() -- this makes sendmail queue + runs more responsive to load average, and fixes a + problem that ignored the load average in locally + generated mail. From Eric Wassenaar. + Fix possible core dump on aliases with null LHS. From + John Orthoefer of BB&N. + Revert to using flock() whenever possible -- there are just + too many bugs in fcntl() locking, particularly over + NFS, that cause sendmail to fail in perverse ways. + Fix a bug that causes the connection cache to get confused + when sending error messages. This resulted in + "unexpected close" messages. It should fix itself + on the following queue run. Problem noted by + Liudvikas Bukys of the University of Rochester. + Include $k in $=k as documented in the Install & Op Guide. + This seems odd, but it was documented.... From + Michael Corrigan of UCSD. + Fix problem that caused :include:s from alias files to be + forced to be owned by root instead of daemon + (actually DefUid). From Tim Irvin. + Diagnose unrecognized I option values -- from Mortin Forssen + of the Chalmers University of Technology. + Make "error" mailer work consistently when there is no error + code associated with it -- previously it returned OK + even though there was a real problem. Now it assumes + EX_UNAVAILABLE. + Fix bug that caused the last header line of messages that had + no body and which were terminated with EOF instead of + "." to be discarded. Problem noted by Liudvikas Bukys. + Fix core dump on SMTP mail to programs that failed -- it tried + to go to a "next MX host" when none existed, causing + a core dump. From der Mouse at McGill University. + Change IDENTPROTO from a defined/not defined to a 0/1 switch; + this makes it easier to turn it off (using + -DIDENTPROTO=0 in the Makefile). From der Mouse. + Fix YP_MASTER_NAME store to use the unupdated result of + gethostname() (instead of myhostname(), which tries + to fully qualify the name) to be consistent with + SunOS. If your hostname is unqualified, this fixes + transfers to slave servers. Bug noted by Keith + McMillan of Ameritech Services, Inc. + Fix Ultrix problem: gethostbyname() can return a very large + (> 500) h_length field, which causes the sockaddr + to be trashed. Use the size of the sockaddr instead. + Fix from Bob Manson of Ohio State. + Don't assume "-a." on host lookups if NAMED_BIND is not + defined -- this confuses gethostbyname on hosts + file lookups, which doesn't understand the trailing + dot convention. + Log SMTP server subprocesses that die with a signal instead + of from a clean exit. + If you don't have option "I" set, don't assume that a DNS + "host unknown" message is authoritative -- it + might still be found in /etc/hosts. + Fix a problem that would cause Deferred: messages to be sent + as the subject of an error message, even though the + actual cause of a message was more severe than that. + Problem noted by Chris Seabrook of OSSI. + Fix race condition in DBM alias file locking. From Kyle + Jones of UUNET. + Limit delivery syslog line length to avoid bugs in some + versions of syslog(3). This adds a new compile time + variable SYSLOG_BUFSIZE. From Jay Plett of Princeton + University, which is in turn derived from IDA. + Fix quotes inside of comments in addresses -- previously + it insisted that they be balanced, but the 822 spec + says that they should be ignored. + Dump open file state to syslog upon receiving SIGUSR1 (for + debugging). This also evaluates ruleset 89, if set + (with the null input), and logs the result. This + should be used sparingly, since the rewrite process + is not reentrant. + Change -qI, -qR, and -qS flags to be case-insensitive as + documented in the Bat Book. + If the mailer returned EX_IOERR or EX_OSERR, sendmail did not + return an error message and did not requeue the message. + Fix based on code from Roland Dirlewanger of + Reseau Regional Aquarel, Bordeaux, France. + Fix a problem that caused a seg fault if you got a 421 error + code during some parts of connection initialization. + I've only seen this when talking to buggy mailers on + the other end, but it shouldn't give a seg fault in + any case. From Amir Plivatsky. + Fix core dump caused by a ruleset call that returns null. + Fix from Bryan Costales of ICSI. + Full-Name: field was being ignored. Fix from Motonori Nakamura + of Kyoto University. + Fix a possible problem with very long input lines in setproctitle. + From P{r Emanuelsson. + Avoid putting "This is a warning message" out on return receipts. + Suggested by Douglas Anderson. + Detect loops caused by recursive ruleset calls. Suggested by + Bryan Costales. + Initialize non-alias maps during alias rebuilds -- they may be + needed for parsing. Problem noted by Douglas Anderson. + Log sender address even if no message was collected in SMTP + (e.g., if all RCPTs failed). Suggested by Motonori + Nakamura. + Don't reflect the owner-list contents into the envelope sender + address if the value contains ", :, /, or | (to avoid + illegal addresses appearing there). + Efficiency hack for toktype macro -- from Craig Partridge of + BB&N. + Clean up DNS error printing so that a host name is always + included. + Remember to set $i during queue runs. Reported by Stephen + Campbell of Dartmouth University. + If the environment variable HOSTALIASES is set, use it during + canonification as the name of a file with per-user host + translations so that headers are properly mapped. Reported + by Anne Bennett of Concordia University. + Avoid printing misleading error message if SMTP mailer (not + using [IPC]) should die on a core dump. + Avoid incorrect diagnosis of "file 1 closed" when it is caused + by the other end closing the connection. From + Dave Morrison of Oracle. + Improve several of the error messages printed by "mailq" + to include a host name or other useful information. + Add NetInfo preliminary support for NeXT systems. From Vince + DeMarco. + Fix a glitch that sometimes caused :include:s that pointed to + NFS filesystems that were down to give an "aliasing/ + forwarding loop broken" message instead of queueing + the message for retry. Noted by William C Fenner of + the NRL Connection Machine Facility. + Fix a problem that could cause a core dump if the input sequence + had (or somehow acquired) a \231 character. + Make sure that route-addrs always have around + them in non-SMTP envelopes (SMTP envelopes already do + this properly). + Avoid weird headers on unbalanced punctuation of the form: + ``Joe User ; this + has uucp-dom semantics but old UUCP syntax. This + also permits "uucp-old" as an alias for "uucp" and + "uucp-new" as a synonym for "suucp" for consistency. + CONFIG: add POP mailer support (from Kimmo Suominen + ). + CONFIG: drop CSNET_RELAY support -- CSNET is long gone. + CONFIG: fix bug caused with domain literal addresses (e.g., + ``[128.32.131.12]'') when FEATURE(allmasquerade) + was set; it would get an additional @masquerade.host + added to the address. Problem noted by Peter Wan + of Georgia Tech. + CONFIG: make sure that the local UUCP name is in $=w. From + Jim Murray of Stratus. + CONFIG: changes to UUCP rewriting to simulate IDA-style "V" + mailer flag. Briefly, if you are sending to host + "foo", then it rewrites "foo!...!baz" to "...!baz", + "foo!baz" remains "foo!baz", and anything else has + the local name prepended. + CONFIG: portability fixes for HP-UX. + DOC: several minor problems fixed in the Install & Op Guide. + MAKEMAP: fix core dump problem on lines that are too long or + which lack newline. From Mark Delany. + MAILSTATS: print sums of columns (total messages & kbytes + in and out of the system). From Tom Ferrin of UC + San Francisco Computer Graphics Lab. + SIGNIFICANT USER- OR SYSAD-VISIBLE CHANGES: + On HP-UX, /etc/sendmail.cf has been moved to + /usr/lib/sendmail.cf to match HP sendmail. + Permissions have been tightened up on world-writable + :include: files and accounts that have shells + that are not listed in /etc/shells. This may + cause some .forward files that have worked + before to start failing. + SIGUSR1 dumps some state to the log. + NEW FILES: + src/Makefile.DGUX + src/Makefile.Dynix + src/Makefile.FreeBSD + src/Makefile.Mach386 + src/Makefile.NetBSD + src/Makefile.RISCos + src/Makefile.SCO + src/Makefile.SVR4 + src/Makefile.Titan + cf/mailer/pop.m4 + cf/ostype/bsdi1.0.m4 + cf/ostype/dgux.m4 + cf/ostype/dynix3.2.m4 + cf/ostype/sco3.2.m4 + makemap/Makefile.dist + praliases/Makefile.dist + +8.6.4/8.6.4 1993/10/31 + Repair core-dump problem (write to read-only memory segment) + if you fall back to the return-to-Postmaster case in + savemail. Problem reported by Richard Liu. + Immediately diagnose bogus sender addresses in SMTP. This + makes quite certain that crackers can't use this + class of attack. + Reliability Fix: check return value from fclose() and fsync() + in a few critical places. + Minor problem in initsys() that reversed a condition for + redirecting the output channel on queue runs. It's + not clear this code even does anything. From Eric + Wassenaar of the Dutch National Institute for Nuclear + and High-Energy Physics. + Fix some problems that caused queue runs to do "too much work", + such as double-reading the Errors-To: header. From + Eric Wassenaar. + Error messages on writing the temporary file (including the + data file) were getting suppressed in SMTP -- this + fix causes them to be properly reported. From Eric + Wassenaar. + Some changes to support AF_UNIX sockets -- this will only + really become relevant in the next release, but some + people need it for local patches. From Michael + Corrigan of UC San Diego. + Use dynamically allocated memory (instead of static buffers) + for macros defined in initsys() and settime(); since + these can have different values depending on which + envelope they are in. From Eric Wassenaar. + Improve logging to show ctladdr on to= logging; this tells you + what uid/gid processes ran as. + Fix a problem that caused error messages to be discarded if + the sender address was unparseable for some reason; + this was supposed to fall back to the "return to + postmaster" case. + Improve aliaswait backoff algorithm. + Portability patches for Linux (8.6.3 required another header + file) (from Karl London) and SCO UNIX. + CONFIG: patch prog mailer to not strip host name off of envelope + addresses (so that it matches local again). From + Christopher Davis. + CONFIG: change uucp-dom mailer so that "<>" translates to $n; + this prevents uux from seeing lines with null names like + ``From Sat Oct 30 14:55:31 1993''. From Motonori + Nakamura of Kyoto University. + CONFIG: handle syntax correctly. This isn't legal, but + it shouldn't fail miserably. From Motonori Nakamura. + +8.6.2/8.6.2 1993/10/15 + Put a "successful delivery" message in the transcript for + addresses that get return-receipts. + Put a prominent "this is only a warning" message in warning + messages -- some people don't read carefully enough + and end up sending the message several times. + Include reason for temporary failure in the "warning" return + message. Currently, it just says "cannot send for + four hours". + Fix the "Original message received" time generated for + returntosender messages. It was previously listed as + the current time. Bug reported by Eric Hagberg of + Cornell University Medical College. + If there is an error when writing the body of a message, + don't send the trailing dot and wait for a response + in sender SMTP, as this could cause the connection to + hang up under some bizarre circumstances. From Eric + Wassenaar. + Fix some server SMTP synchronization problems caused when + connections fail during message collection. From + Eric Wassenaar. + Fix a problem that can cause srvrsmtp to reject mail if the + name server is down -- it accepts the RCPT but rejects + the DATA command. Problem reported by Jim Murray of + Stratus. + Fix a problem that can cause core dumps if the config file + incorrectly resolves to a null hostname. Reported by + Allan Johannesen of WPI. + Non-root use of -C flag, dangerous -f flags, and use of -oQ + by non-root users were not put into + X-Authentication-Warning:s as intended because the + config file hadn't set the PrivacyOptions yet. Fix + from Sven-Ove Westberg of the University of Lulea. + Under very odd circumstances, the alias file rebuild code + could get confused as to whether a database was + open or not. + Check "vendor code" on the end of V lines -- this is + intended to provide a hook for vendor-specific + configuration syntax. (This is a "new feature", + but I've made an exception to my rule in a belief + that this is a highly exceptional case.) + Portability fixes for DG/UX (from Douglas Anderson of NCSC), + SCO Unix (from Murray Kucherawy), A/UX, and OSF/1 + (from Jon Forrest of UC Berkeley) + CONFIG: fix ``mailer:host'' form of UUCP relay naming. + +8.6.1/8.6 1993/10/08 + Portability fixes for A/UX and Encore UMAX V. + Fix error message handling -- if you had a name server down + causing an error during parsing, that message was never + propagated to the queue file. + +8.6/8.6 1993/10/05 + Configuration cleanup: make it easier to undo IDENTPROTO in + conf.h (other systems have the same bug). + If HASGETDTABLESIZE and _SC_OPEN_MAX are both defined, assume + getdtablesize() instead of sysconf(); a disturbingly + large number of systems defined _SC_OPEN_MAX in the + header files but don't have the syscall. + Another patch to really truly ignore MX records in getcanonname + if trymx == FALSE. + Fix problem that caused the "250 IAA25499 Message accepted for + delivery" message to be omitted if there was an error + in the header of the message (e.g., a bad Errors-To: + line). Pointed out by Michael Corrigan of UCSD. + Announce name of host we are chatting when we get errors; this + is an IDA-ism suggested by Christophe Wolfhugel. + Portability fixes for Alpha OSF/1 (from Anthony Baxter of the + Australian Artificial Intelligence Institute), SCO Unix + (from Murray Kucherawy of Hookup Communication Corp.), + NeXT (from Vince DeMarco and myself), Linux (from + Karl London ), BSDI (from + Christophe Wolfhugel, and SVR4 on Dell (from Kimmo + Suominen), AUX 3.0 on Macintosh, and ANSI C compilers. + Some changes to get around gcc optimizer bugs. From Takahiro + Kanbe. + Fix error recovery in queueup if another tf file of the same + name already exists. Problem stumbled over by Bill + Wisner of The Well. + Output YP_MASTER_NAME and YP_LAST_MODIFIED without null bytes. + Problem noted by Keith McMillan of Ameritech Services. + Deal with group permissions properly when opening .forward and + :include: files. This relaxes the 8.1C restrictions + slightly more. This includes proper setting of groups + when reading :include: files, allowing you to read some + files that you should be able to read but have previously + been denied unless you owned them or they had "other" + read permission. + Make certain that $j is in $=w (after the .cf is read) so that + if the user is forced to override some silly system, + MX suppression will still work. + Fix a couple of efficiency problems where newstr was double- + calling expensive routines. In at least one case, it + wasn't guaranteed that they would always return the + same result. Problem noted by Christophe Wolfhugel. + Fix null pointer dereference in putoutmsg -- only on an error + condition from a non-SMTP mailer. From Motonori + Nakamura. + Macro expand "C" line class definitions before scanning so that + "CX $Z" works. + Fix problem that caused error message to be sent while still + trying to send the original message if the connection + is closed during a DATA command after getting an error + on an RCPT command (pretty obscure). Problem reported + by John Myers of CMU. + Fix reply to NOOP to be 250 instead of 200 -- this is a long + term bug. + Fix a nasty bug causing core dumps when returning the "warning: + cannot deliver for N hours -- will keep trying" message; + it only occurred if you had PostmasterCopy set and + only on some architectures. Although sendmail would + keep trying, it would send error messages on each + queue interval. This is an important fix. + Allow u and g options to take user and group names respectively. + Don't do a chdir into the queue directory in -bt mode to make + ruleset testing a bit easier. + Don't allow users to turn off logging (using -oL) on the command + line -- command line can only raise, not lower, logging + level. + Set $u to the original recipient on the SMTP transaction or on + the command line. This is only done if there is exactly + one recipient. Technically, this does not meet the + specs, because it does not guarantee a domain on the + address. + Fix a problem that dumped error messages on bad addresses if + you used the -t flag. Problem noted by Josh Smith of + Harvey Mudd College. + Given an address such as `` '', auto-quote the first + ``'' part, giving ``"" ''. This is to + avoid the problem of people who use angle brackets in + their full name information. + Fix a null pointer dereference if you set option "l", have + an Errors-To: header in the message, and have Errors-To: + defined in the config file H lines. From J.R. Oldroyd. + Put YPCOMPAT on #ifdef NIS instead -- it's one less thing to get + wrong when compiling. Suggested by Rick McCarty of TI. + Fix a problem that could pass negative SIZE parameter if the + df file got lost; this would cause servers to always + give a temporary failure, making the problem even worse. + Problem noted by Allan Johannesen of WPI. + Add "ident" timeout (one of the "r" option selectors) for IDENT + protocol timeouts (30s default). Requested by Murray + Kucherawy of HookUp Communication Corp. to handle bogus + PC TCP/IP implementations. + Change $w default definition to be just the first component of + the domain name on config level 5. The $j macro defaults + to the FQDN; $m remains as before. This lets well-behaved + config files use any of the short, long, or subdomain + names. + Add makesendmail script in src to try to automate multi-architecture + builds. I know, this is sub-optimal, but it is still + helpful. + Fix very obscure race condition that can cause a queue run to + get a queue file for an already completed job. This + problem has existed for years. Problem noted by the + long suffering Allan Johannesen of WPI. + Fix a problem that caused the raw sender name to be passed to + udbsender instead of the canonified name -- this caused + it to sometimes miss records that it should have found. + Relax check of name on HELO packet so that a program using -bs + that claims to be itself works properly. + Restore rewriting of $: part of address through 2, R, 4 in + buildaddr -- this requires passing a lot of flags to get + it right. Unlike old versions, this ONLY rewrites + recipient addresses, not sender addresses. + Fix a bug that caused core dumps in config files that cannot + resolve /file/name style addresses. Fix from Jonathan + Kamens of OpenVision Technologies. + Fix problem with fcntl locking that can cause error returns to + be lost if the lock is lost; this required fully + queueing everything, dropping the envelope (so errors + would get returned), and then re-reading the queue from + scratch. + Fix a problem that caused aliases that redefine an otherwise + true address to still send to the original address + if and only if the alias failed in certain bizarre + ways (e.g, if they pointed at a list:; syntax address). + Problem pointed out by Jonathan Kamens. + Remove support for frozen configuration files. They caused + more trouble than it was worth. + Fix problem that can cause error messages to get ignored when + using both -odb and -t flags. Problem noted by Rob + McNicholas at U.C. Berkeley. + Include all "normal" variations on hostname in $=w. For example, + if the host name is vangogh.cs.berkeley.edu, $=w will + contain vangogh, vangogh.cs, and vangogh.cs.berkeley.edu. + Add "restrictqrun" privacy flag -- without this, anyone can run + the queue. + Reset SmtpPhase global on initial connection creation so that + messages don't come out with stale information. + Pass an "ext" argument to lockfile so that error/log messages + will properly reflect the true filename being locked. + Put all [...] address forms into $=w -- this eliminates the need + for MAXIPADDR in conf.h. Suggested by John Gardiner + Myers of CMU. + Fix a bug that can cause qf files to be left around even after + an SMTP RSET command. Problem and fix from Michael + Corrigan. + Don't send a PostmasterCopy to errors when the Precedence: is + negative. Error reports still go to the envelope + sender address. + Add LA_SHORT for load averages. + Lock sendmail.st file when posting statistics. + Add "SendBufSize" and "RcvBufSize" suboptions to "O" option to + set the size of the TCP send and receive buffers; if you + run over a slow slip line you may need to set these down + (although it would be better to fix the SLIP implementation + so that it's not necessary to recompile every program + that does bulk data transfer). + Allow null defaults on $( ... $) lookups. Problem reported by + Amir Plivatsky. + Diagnose crufty S and V config lines. This resulted from an + observation that some people were using the SITE macro + without the SITECONFIG macro first, which was causing + bogus config files that were not caught. + Fix makemap -f flag to turn off case folding (it was turning it + on instead). THIS IS A USER VISIBLE CHANGE!!! + Fix a problem that caused multiple error messages to be sent if + you used "sendmail -t -oem -odb", your system uses fcntl + locking, and one of the recipient addresses is unknown. + Reset uid earlier in include() so that recursive .forwards or + :include:s don't use the wrong uid. + If file descriptor 0, 1, or 2 was closed when sendmail was + called, the code to recover the descriptor was broken. + This sometimes (only sometimes) caused problems with the + alias file. Fix from Motonori Nakamura. + Fix a problem that caused aliaswait to go into infinite recursion + if the @:@ metasymbol wasn't found in the alias file. + Improve error message on newaliases if database files cannot be + opened or if running with no database format defined. + Do a better estimation of the size of error messages when NoReturn + is set. Problem noted by P{r (Pell) Emanuelsson. + Fix a problem causing the "c" option (don't connect to expensive + mailers) to be ignored in SMTP. Problem noted and the + solution suggested by Robert Elz of The University of + Melbourne. + Improve connection caching algorithm by passing "[host]" to + hostsignature, which strips the square brackets and + returns the real name. This allows mailertable entries + to match regular entries. + Re-enable Return-Receipt-To: -- people seem to want this stupid + feature, even if it doesn't work right. + Catch and log attempts to try the "wiz" command in server SMTP. + This also ups the log level from LOG_NOTICE to LOG_CRIT. + Be more generous at assigning $z to the home directory -- do this + for programs that are specified through a .forward file. + Fix from Andrew Chang of Sun Microsystems. + Always save a fatal error message in preference to a non-fatal + error message so that the "subject" line of return + messages is the best possible. + CONFIG: reduce the number of quotes needed to quote configuration + parameters with commas: two quotes should work now, e.g., + define(ALIAS_FILE, ``/etc/aliases,/etc/aliases.local''). + CONFIG: class $=Z is a set of UUCP hosts that use uucp-dom + connections (domain-ized UUCP). + CONFIG: fix bug in default maps (-o must be before database file + name). Pointed out by Christophe Wolfhugel. + CONFIG: add FEATURE(nodns) to state that we are not relying on + DNS. This would presumably be used in UUCP islands. + CONFIG: add OSTYPE(nextstep) and OSTYPE(linux). + CONFIG: log $u in Received: line. This is in technical violation + of the standards, since it doesn't guarantee a domain + on the address. + CONFIG: don't assume "m" in local mailer flags -- this means that + if you redefine LOCAL_MAILER_FLAGS you will have to include + the "m" flag should you want it. Apparently some Solaris 2.2 + installations can't handle multiple local recipients. + Problem noted by Josh Smith. + CONFIG: add confDOMAIN_NAME to set $j (if undefined, $j defaults). + CONFIG: change default version level from 4 to 5. + CONFIG: add FEATURE(nullclient) to create a config file that + forwards all mail to a hub without ever looking at the + addresses in any detail. + CONFIG: properly strip mailer: information off of relays when + used to change .BITNET form into %-hack form. + CONFIG: fix a problem that caused infinite loops if presented + with an address such as "!foo". + CONFIG: check for self literal (e.g., [128.32.131.12]) even if + the reverse "PTR" mapping is broken. There's a better + way to do this, but the change is fairly major and I + want to hold it for another release. Problem noted by + Bret Marquis. + +8.5/8.5 1993/07/23 + Serious bug: if you used a command line recipient that was unknown + sendmail would not send a return message (it was treating + everything as though it had an SMTP-style client that + would do the return itself). Problem noted by Josh Smith. + Change "trymx" option in getcanonname() to ignore all MX data, + even during a T_ANY query. This actually didn't break + anything, because the only time you called getcanonname + with !trymx was if you already knew there were no MX + records, but it is somewhat cleaner. From Motonori + Nakamura. + Don't call getcanonname from getmxrr if you already know there + are no DNS records matching the name. + Fix a problem causing error messages to always include "The + original message was received ... from localhost". + The correct original host information is now included. + Previous change to cf/sh/makeinfo.sh doesn't port to Ultrix (their + version of "test" doesn't have the -x flag). Change it + to use -f instead. From John Myers. + CONFIG: 8.4 mistakenly set the default SMTP-style mailer to + esmtp -- it should be smtp. + CONFIG: send all relayed mail using confRELAY_MAILER (defaults + to "relay" (a variant of "smtp") if MAILER(smtp) is used, + else "suucp" if MAILER(uucp) is used, else "unknown"); + this cleans up the configs somewhat. This fixes a serious + problem that caused route-addrs to get mistaken as relays, + pointed out by John Myers. WARNING: this also causes + the default on SMART_HOST to change from "suucp" to + "relay" if you have MAILER(smtp) specified. + +8.4/8.4 1993/07/22 + Add option `w'. If you receive a message that comes to you because + you are the best (lowest preference) target of an MX, and + you haven't explicitly recognized the source MX host in + your .cf file, this option will cause you to try the target + host directly (as if there were no MX for it at all). If + `w' is not set, this case is a configuration error. + Beware: if `w' is set, senders may get bogus errors like + "message timed out" or "host unknown" for problems that + are really configuration errors. This option is + disrecommended, provided only for compatibility with + UIUC sendmail. + Fix a problem that caused the incoming socket to be left open + when sendmail forks after the DATA command. This caused + calling systems to wait in FIN_WAIT_2 state until the + entire list was processed and the child closed -- a + potentially prodigious amount of time. Problem noted + by Neil Rickert. + Fix problem (created in 6.64) that caused mail sent to multiple + addresses, one of which was a bad address, to completely + suppress the sending of the message. This changes + handling of EF_FATALERRS somewhat, and adds an + EF_GLOBALERRS flag. This also fixes a potential problem + with duplicate error messages if there is a syntax error + in the header of a message that isn't noticed until late + in processing. Original problem pointed out by Josh Smith + of Harvey Mudd College. This release includes quite a bit + of dickering with error handling (see below). + Back out SMTP transaction if MAIL gets nested 501 error. This + will only hurt already-broken software and should help + humans. + Fix a problem that broke aliases when neither NDBM nor NEWDB were + compiled in. It would never read the alias file. + Repair unbalanced `)' and `>' (the "open" versions are already + repaired). + Logging of "done" in dropenvelope() was incorrect: it would + log this even when the queue file still existed. Change + this to only log "done" (at log level 11) when the + queue file is actually removed. From John Myers. + Log "lost connection" in server SMTP at log level 20 if there + is no pending transaction. Some senders just close the + connection rather than sending QUIT. + Fix a bug causing getmxrr to add a dot to the end of unqualified + domains that do not have MX records -- this would cause + the subsequent host name lookup to fail. The problem + only occurred if you had FEATURE(nocanonify) set. + Problem noted by Rick McCarty of Texas Instruments. + Fix invocation of setvbuf when passed a -X flag -- I had + unwittingly used an ANSI C extension, and this caused + core dumps on some machines. + Diagnose self-destructive alias loops on RCPT as well as EXPN. + Previously it just gave an empty send queue, which + then gave either "Need RCPT (recipient)" at the DATA + (confusing, since you had given an RCPT command which + returned 250) or just dropped the email, depending on + whether you were running VERBose mode. Now it usually + diagnoses this case as "aliasing/forwarding loop broken". + Unfortunately, it still doesn't adequately diagnose + some true error conditions. + Add internal concept of "warning messages" using 6xx codes. + These are not reported only to Postmaster. Unbalanced + parens, brackets, and quotes are printed as 653 codes. + They are always mapped to 5xx codes before use in SMTP. + Clean up error messages to tell both the actual address that + failed and the alias they arose from. This makes it + somewhat easier to diagnose problems. Difficulty noted + by Motonori Nakamura. + Fix a problem that inappropriately added a ctladdr to addresses + that shouldn't have had one during a queue run. This + caused error messages to be handled differently during + a queue run than a direct run. + Don't print the qf name and line number if you get errors during + the direct run of the queue from srvrsmtp -- this was + just extra stuff for users to crawl through. + Put command line flags on second line of pid file so you can + auto-restart the daemon with all appropriate arguments. + Use "kill `head -1 /etc/sendmail.pid`" to stop the + daemon, and "eval `tail -1 /etc/sendmail.pid`" to + restart it. + Remove the ``setuid(getuid())'' in main -- this caused the + IDENT daemon to screw up. This required that I change + HASSETEUID to HASSETREUID and complicate the mode + changing somewhat because both Ultrix and SunOS seem + to have a bug causing seteuid() to set the saved uid + as well as the effective. The program test/t_setreuid.c + will test to see if your implementation of setreuid(2) + is appropriately functional. + The FallBackMX (option V) handling failed to properly identify + fallback to yourself -- most of the code was there, + but it wasn't being enabled. Problem noted by Murray + Kucherawy of the University of Waterloo. + Change :include: open timeout from ETIMEDOUT to an internal + code EOPENTIMEOUT; this avoids adding "during SmtpPhase + with CurHostName" in error messages, which can be + confusing. Reported by Jonathan Kamens of OpenVision + Technologies. + Back out setpgrp (setpgid on POSIX systems) call to reset the + process group id. The original fix was to get around + some problems with recalcitrant MUAs, but it breaks + any call from a shell that creates a process group id + different from the process id. I could try to fix + this by diddling the tty owner (using tcsetpgrp or + equivalent) but this is too likely to break other + things. + Portability changes: + Support -M as equivalent to -oM on Ultrix -- apparently + DECnet calls sendmail with -MrDECnet -Ms -bs + instead of using standard flags. Oh joy. This + behavior reported by Jon Giltner of University + of Colorado. + SGI IRIX -- this includes several changes that should + help other strict ANSI compilers. + SCO Unix -- from Murray Kucherawy of HookUp Communication + Corporation. + Solaris running the Sun C compiler (which despite the + documentation apparently doesn't define + __STDC__ by default). + ConvexOS from Eric Schnoebelen of Convex. + Sony NEWS workstations and Omron LUNA workstations from + Motonori Nakamura. + CONFIG: add confTRY_NULL_MX_LIST to set option `w'. + CONFIG: delete `C' and `e' from default SMTP mailers flags; + several people have made a good argument that this + creates more problems than it solves (although this + may prove painful in the short run). + CONFIG: generalize all the relays to accept a "mailer:host" + format. + CONFIG: move local processing in ruleset 0 into a new ruleset + 98 (8 on old sendmail). Domain literal [a.b.c.d] + addresses are also passed through this ruleset. + CONFIG: if neither SMART_HOST nor MAILER(smtp) were defined, + internet-style addresses would "fall off the end" of + ruleset zero and be interpreted as local -- however, + the angle brackets confused the recursive call. + These are now diagnosed as "Unrecognized host name". + CONFIG: USENET rules weren't included in S0 because of a mistaken + ifdef(`_MAILER_USENET_') instead of + ifdef(`_MAILER_usenet_'). Problem found by Rein Tollevik + of SINTEF RUNIT, Oslo. + CONFIG: move up LOCAL_RULE_0 processing so that it happens very + early in ruleset 0; this allows .mc authors to bypass + things like the "short circuit" code for local addresses. + Prompted by a comment by Bill Wisner of The Well. + CONFIG: add confSMTP_MAILER to define the mailer used (smtp or + esmtp) to send SMTP mail. This allows you to default + to esmtp but use a mailertable or other override to + deal with broken servers. This logic was pointed out + to me by Bill Wisner. Ditto for confLOCAL_MAILER. + Changes to cf/sh/makeinfo.sh to make it portable to SVR4 + environments. Ugly as sin. + +8.3/8.3 1993/07/13 + Fix setuid problems introduced in 8.2 that caused messages + like "Cannot create qfXXXXXX: Invalid argument" + or "Cannot reopen dfXXXXXX: Permission denied". This + involved a new compile flag "HASSETEUID" that takes + the place of the old _POSIX_SAVED_IDS -- it turns out + that the POSIX interface is broken enough to break + some systems badly. This includes some fixes for + HP-UX. Also fixes problems where the real uid is + not reset properly on startup (from Neil Rickert). + Fix a problem that caused timed out messages to not report the + addresses that timed out. Error messages are also more + "user friendly". + Drop required bandwidth on connections from 64 bytes/sec to + 16 bytes/sec. + Further Solaris portability changes -- doesn't require the BSD + compatibility library. This also adds a new + "HASGETDTABLESIZE" compile flag which can be used if + you want to use getdtablesize(2) instead of sysconf(2). + These are loosely based on changes from David Meyer at + University of Oregon. This now seems to work, at least + for quick test cases. + Fix a problem that can cause duplicate error messages to be + sent if you are in SMTP, you send to multiple addresses, + and at least one of those addresses is good and points + to an account that has a .forward file (whew!). + Fix a problem causing messages to be discarded if checkcompat() + returned EX_TEMPFAIL (because it didn't properly mark + the "to" address). Problem noted by John Myers. + Fix dfopen to return NULL if the open failed; I was depending + on fdopen(-1) returning NULL, which isn't the case. This + isn't serious, but does result in weird error diagnoses. + From Michael Corrigan. + CONFIG: add UUCP_MAX_SIZE M4 macro to set the maximum size of + messages sent through UUCP-family mailers. Suggested + by Bill Wisner of The Well. + CONFIG: if both MAILER(uucp) and MAILER(smtp) are specified, + include a "uucp-dom" mailer that uses domain-style + addressing. Suggested by Bill Wisner. + CONFIG: Add LOCAL_SHELL_FLAGS and LOCAL_SHELL_ARGS to match + LOCAL_MAILER_FLAGS and LOCAL_MAILER_ARGS. Suggested by + Christophe Wolfhugel. + CONFIG: Add OSTYPE(aix3). From Christophe Wolfhugel. + +8.2/8.2 1993/07/11 + Don't drop out on config file parse errors in -bt mode. + On older configuration files, assume option "l" (use Errors-To + header) for back compatibility. NOTE: this DOES NOT + imply an endorsement of the Errors-To: header in any way. + Accept -x flag on AIX-3 as well as OSF/1. Why, why, why??? + Don't log errors on EHLO -- it isn't a "real" error for an old + SMTP server to give an error on this command, and + logging it in the transcript can be confusing. Fix + from Bill Wisner. + IRIX compatibility changes provided by Dan Rich + . + Solaris 2 compatibility changes. Provided by Bob Cunningham + , John Oleynick + + Debugging: -d17 was overloaded (hostsignature and usersmtp.c); + move usersmtp (smtpinit and smtpmailfrom) to -d18 to + match the other flags in that file. + Flush transcript before fork in mailfile(). From Eric Wassenaar. + Save h_errno in mci struct and improve error message display. + Changes from Eric Wassenaar. + Open /dev/null for the transcript if the create of the xf file + failed; this avoids at least one possible null pointer + reference in very weird cases. From Eric Wassenaar. + Clean up statistics gathering; it was over-reporting because of + forks. From Eric Wassenaar. + Fix problem that causes old Return-Path: line to override new + Return-Path: line (conf.c needs H_FORCE to avoid + re-using old value). From Motonori Nakamura. + Fix broken -m flag in K definition -- even if -m (match only) + was specified, it would still replace the key with the + value. Noted by Rick McCarty of Texas Instruments. + If the name server timed out over several days, no "timed out" + message would ever be sent back. The timeout code + has been moved from markfailure() to dropenvelope() + so that all such failures should be diagnosed. Pointed + out by Christophe Wolfhugel and others. + Relax safefile() constraints: directories in an include or + forward path must be readable by self if the controlling + user owns the entry, readable by all otherwise (e.g., + when reading your .forward file, you have to own and + have X permission in it; everyone needs X permission in + the root and directories leading up to your home); + include files must be readable by anyone, but need not + be owned by you. + If _POSIX_SAVED_IDS is defined, setuid to the owner before + reading a .forward file; this gets around some problems + on NFS mounts if root permission is not exported and + the user's home directory isn't x'able. + Additional NeXT portability enhancements from Axel Zinser. + Additional HP-UX portability enhancements from Brian Bullen. + Add a timeout around SMTP message writes; this assumes you can + get throughput of at least 64 bytes/second. Note that + this does not impact the "datafinal" default, which + is separate; this is just intended to work around + network clogs that will occur before the final dot + is sent. From Eric Wassenaar. + Change map code to set the "include null" flag adaptively -- + it initially tries both, but if it finds anything + matching without a null it never tries again with a + null and vice versa. If -N is specified, it never + tries without the null and creates new maps with a + null byte. If -O is specified, it never tries with + the null (for efficiency). If -N and -O are specified, + you get -NO (get it?) lookup at all, so this would + be a bad idea. If you don't specify either -N or -O, + it adapts. + Fix recognition of "same from address" so that MH submissions + will insert the appropriate full name information; + this used to work and got broken somewhere along the + way. + Some changes to eliminate some unnecessary SYSERRs in the + log. For example, if you lost a connection, don't + bother reporting that fact on the connection you lost. + Add some "extended debugging" flags to try to track down + why we get occasional problems with file descriptor + one being closed when execing a mailer; it seems to + only happen when there has been another error in the + same transaction. This requires XDEBUG, defined + by default in conf.h. + Add "-X filename" command line flag, which logs both sides of + all SMTP transactions. This is intended ONLY for + debugging bad implementations of other mailers; start + it up, send a message from a mailer that is failing, + and then kill it off and examine the indicated log. + This output is not intended to be particularly human + readable. This also adds the HASSETVBUF compile + flag, defaulted on if your compiler defines __STDC__. + CONFIG: change SMART_HOST to override an SMTP mailer. If you + have a local net that should get direct connects, you + will need to use LOCAL_NET_CONFIG to catch these hosts. + See cf/README for an example. + CONFIG: add LOCAL_MAILER_ARGS (default: `mail -d $u') to handle + sites that don't use the -d flag. + CONFIG: hide recipient addresses as well as sender addresses + behind $M if FEATURE(allmasquerade) is specified; this + has been requested by several people, but can break + local aliases. For example, if you mail to "localalias" + this will be rewritten as "localalias@masqueradehost"; + although initial delivery will work, replies will be + broken. Use it sparingly. + CONFIG: add FEATURE(domaintable). This maps unqualified domains + to qualified domains in headers. I believe this is + largely equivalent to the IDA feature of the same name. + CONFIG: use $U as UUCP name instead of $k. This permits you + to override the "system name" as your UUCP name -- + in particular, to use domain-ized UUCP names. From + Bill Wisner of The Well. + CONFIG: create new mailer "esmtp" that always tries EHLO + first. This is currently unused in the config files, + but could be used in a mailertable entry. + +8.1C/8.1B 1993/06/27 + Serious security bug fix: it was possible to read any file on + the system, regardless of ownership and permissions. + If a subroutine returns a fully qualified address, return it + immediately instead of feeding it back into rewriting. + This fixes a problem with mailertable lookups. + CONFIG: fix some M4 frotz (concat => CONCAT) + +8.1B/8.1A 1993/06/12 + Serious bug fix: pattern matching backup algorithm stepped by + two tokens in classes instead of one. Found by Claus + Assmann at University of Kiel, Germany. + +8.1A/8.1A 1993/06/08 + Another mailertable fix.... + +8.1/8.1 1993/06/07 + 4.4BSD freeze. No semantic changes. diff --git a/contrib/sendmail-8.13.4/cf/README b/contrib/sendmail-8.13.4/cf/README new file mode 100644 index 0000000000..646163b047 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/README @@ -0,0 +1,4586 @@ + + SENDMAIL CONFIGURATION FILES + +This document describes the sendmail configuration files. It +explains how to create a sendmail.cf file for use with sendmail. +It also describes how to set options for sendmail which are explained +in the Sendmail Installation and Operation guide (doc/op/op.me). + +To get started, you may want to look at tcpproto.mc (for TCP-only +sites) and clientproto.mc (for clusters of clients using a single +mail host), or the generic-*.mc files as operating system-specific +examples. + +Table of Content: + +INTRODUCTION AND EXAMPLE +A BRIEF INTRODUCTION TO M4 +FILE LOCATIONS +OSTYPE +DOMAINS +MAILERS +FEATURES +HACKS +SITE CONFIGURATION +USING UUCP MAILERS +TWEAKING RULESETS +MASQUERADING AND RELAYING +USING LDAP FOR ALIASES, MAPS, AND CLASSES +LDAP ROUTING +ANTI-SPAM CONFIGURATION CONTROL +CONNECTION CONTROL +STARTTLS +SMTP AUTHENTICATION +ADDING NEW MAILERS OR RULESETS +ADDING NEW MAIL FILTERS +QUEUE GROUP DEFINITIONS +NON-SMTP BASED CONFIGURATIONS +WHO AM I? +ACCEPTING MAIL FOR MULTIPLE NAMES +USING MAILERTABLES +USING USERDB TO MAP FULL NAMES +MISCELLANEOUS SPECIAL FEATURES +SECURITY NOTES +TWEAKING CONFIGURATION OPTIONS +MESSAGE SUBMISSION PROGRAM +FORMAT OF FILES AND MAPS +DIRECTORY LAYOUT +ADMINISTRATIVE DETAILS + + ++--------------------------+ +| INTRODUCTION AND EXAMPLE | ++--------------------------+ + +Configuration files are contained in the subdirectory "cf", with a +suffix ".mc". They must be run through "m4" to produce a ".cf" file. +You must pre-load "cf.m4": + + m4 ${CFDIR}/m4/cf.m4 config.mc > config.cf + +Alternatively, you can simply: + + cd ${CFDIR}/cf + ./Build config.cf + +where ${CFDIR} is the root of the cf directory and config.mc is the +name of your configuration file. If you are running a version of M4 +that understands the __file__ builtin (versions of GNU m4 >= 0.75 do +this, but the versions distributed with 4.4BSD and derivatives do not) +or the -I flag (ditto), then ${CFDIR} can be in an arbitrary directory. +For "traditional" versions, ${CFDIR} ***MUST*** be "..", or you MUST +use -D_CF_DIR_=/path/to/cf/dir/ -- note the trailing slash! For example: + + m4 -D_CF_DIR_=${CFDIR}/ ${CFDIR}/m4/cf.m4 config.mc > config.cf + +Let's examine a typical .mc file: + + divert(-1) + # + # Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + # All rights reserved. + # Copyright (c) 1983 Eric P. Allman. All rights reserved. + # Copyright (c) 1988, 1993 + # The Regents of the University of California. All rights reserved. + # + # By using this file, you agree to the terms and conditions set + # forth in the LICENSE file which can be found at the top level of + # the sendmail distribution. + # + + # + # This is a Berkeley-specific configuration file for HP-UX 9.x. + # It applies only to the Computer Science Division at Berkeley, + # and should not be used elsewhere. It is provided on the sendmail + # distribution as a sample only. To create your own configuration + # file, create an appropriate domain file in ../domain, change the + # `DOMAIN' macro below to reference that file, and copy the result + # to a name of your own choosing. + # + divert(0) + +The divert(-1) will delete the crud in the resulting output file. +The copyright notice can be replaced by whatever your lawyers require; +our lawyers require the one that is included in these files. A copyleft +is a copyright by another name. The divert(0) restores regular output. + + VERSIONID(`') + +VERSIONID is a macro that stuffs the version information into the +resulting file. You could use SCCS, RCS, CVS, something else, or +omit it completely. This is not the same as the version id included +in SMTP greeting messages -- this is defined in m4/version.m4. + + OSTYPE(`hpux9')dnl + +You must specify an OSTYPE to properly configure things such as the +pathname of the help and status files, the flags needed for the local +mailer, and other important things. If you omit it, you will get an +error when you try to build the configuration. Look at the ostype +directory for the list of known operating system types. + + DOMAIN(`CS.Berkeley.EDU')dnl + +This example is specific to the Computer Science Division at Berkeley. +You can use "DOMAIN(`generic')" to get a sufficiently bland definition +that may well work for you, or you can create a customized domain +definition appropriate for your environment. + + MAILER(`local') + MAILER(`smtp') + +These describe the mailers used at the default CS site. The local +mailer is always included automatically. Beware: MAILER declarations +should only be followed by LOCAL_* sections. The general rules are +that the order should be: + + VERSIONID + OSTYPE + DOMAIN + FEATURE + local macro definitions + MAILER + LOCAL_CONFIG + LOCAL_RULE_* + LOCAL_RULESETS + +There are a few exceptions to this rule. Local macro definitions which +influence a FEATURE() should be done before that feature. For example, +a define(`PROCMAIL_MAILER_PATH', ...) should be done before +FEATURE(`local_procmail'). + +******************************************************************* +*** BE SURE YOU CUSTOMIZE THESE FILES! They have some *** +*** Berkeley-specific assumptions built in, such as the name *** +*** of their UUCP-relay. You'll want to create your own *** +*** domain description, and use that in place of *** +*** domain/Berkeley.EDU.m4. *** +******************************************************************* + + ++----------------------------+ +| A BRIEF INTRODUCTION TO M4 | ++----------------------------+ + +Sendmail uses the M4 macro processor to ``compile'' the configuration +files. The most important thing to know is that M4 is stream-based, +that is, it doesn't understand about lines. For this reason, in some +places you may see the word ``dnl'', which stands for ``delete +through newline''; essentially, it deletes all characters starting +at the ``dnl'' up to and including the next newline character. In +most cases sendmail uses this only to avoid lots of unnecessary +blank lines in the output. + +Other important directives are define(A, B) which defines the macro +``A'' to have value ``B''. Macros are expanded as they are read, so +one normally quotes both values to prevent expansion. For example, + + define(`SMART_HOST', `smart.foo.com') + +One word of warning: M4 macros are expanded even in lines that appear +to be comments. For example, if you have + + # See FEATURE(`foo') above + +it will not do what you expect, because the FEATURE(`foo') will be +expanded. This also applies to + + # And then define the $X macro to be the return address + +because ``define'' is an M4 keyword. If you want to use them, surround +them with directed quotes, `like this'. + +Since m4 uses single quotes (opening "`" and closing "'") to quote +arguments, those quotes can't be used in arguments. For example, +it is not possible to define a rejection message containing a single +quote. Usually there are simple workarounds by changing those +messages; in the worst case it might be ok to change the value +directly in the generated .cf file, which however is not advised. + + +Notice: +------- + +This package requires a post-V7 version of m4; if you are running the +4.2bsd, SysV.2, or 7th Edition version. SunOS's /usr/5bin/m4 or +BSD-Net/2's m4 both work. GNU m4 version 1.1 or later also works. +Unfortunately, the M4 on BSDI 1.0 doesn't work -- you'll have to use a +Net/2 or GNU version. GNU m4 is available from +ftp://ftp.gnu.org/pub/gnu/m4/m4-1.4.tar.gz (check for the latest version). +EXCEPTIONS: DEC's m4 on Digital UNIX 4.x is broken (3.x is fine). Use GNU +m4 on this platform. + + ++----------------+ +| FILE LOCATIONS | ++----------------+ + +sendmail 8.9 has introduced a new configuration directory for sendmail +related files, /etc/mail. The new files available for sendmail 8.9 -- +the class {R} /etc/mail/relay-domains and the access database +/etc/mail/access -- take advantage of this new directory. Beginning with +8.10, all files will use this directory by default (some options may be +set by OSTYPE() files). This new directory should help to restore +uniformity to sendmail's file locations. + +Below is a table of some of the common changes: + +Old filename New filename +------------ ------------ +/etc/bitdomain /etc/mail/bitdomain +/etc/domaintable /etc/mail/domaintable +/etc/genericstable /etc/mail/genericstable +/etc/uudomain /etc/mail/uudomain +/etc/virtusertable /etc/mail/virtusertable +/etc/userdb /etc/mail/userdb + +/etc/aliases /etc/mail/aliases +/etc/sendmail/aliases /etc/mail/aliases +/etc/ucbmail/aliases /etc/mail/aliases +/usr/adm/sendmail/aliases /etc/mail/aliases +/usr/lib/aliases /etc/mail/aliases +/usr/lib/mail/aliases /etc/mail/aliases +/usr/ucblib/aliases /etc/mail/aliases + +/etc/sendmail.cw /etc/mail/local-host-names +/etc/mail/sendmail.cw /etc/mail/local-host-names +/etc/sendmail/sendmail.cw /etc/mail/local-host-names + +/etc/sendmail.ct /etc/mail/trusted-users + +/etc/sendmail.oE /etc/mail/error-header + +/etc/sendmail.hf /etc/mail/helpfile +/etc/mail/sendmail.hf /etc/mail/helpfile +/usr/ucblib/sendmail.hf /etc/mail/helpfile +/etc/ucbmail/sendmail.hf /etc/mail/helpfile +/usr/lib/sendmail.hf /etc/mail/helpfile +/usr/share/lib/sendmail.hf /etc/mail/helpfile +/usr/share/misc/sendmail.hf /etc/mail/helpfile +/share/misc/sendmail.hf /etc/mail/helpfile + +/etc/service.switch /etc/mail/service.switch + +/etc/sendmail.st /etc/mail/statistics +/etc/mail/sendmail.st /etc/mail/statistics +/etc/mailer/sendmail.st /etc/mail/statistics +/etc/sendmail/sendmail.st /etc/mail/statistics +/usr/lib/sendmail.st /etc/mail/statistics +/usr/ucblib/sendmail.st /etc/mail/statistics + +Note that all of these paths actually use a new m4 macro MAIL_SETTINGS_DIR +to create the pathnames. The default value of this variable is +`/etc/mail/'. If you set this macro to a different value, you MUST include +a trailing slash. + +Notice: all filenames used in a .mc (or .cf) file should be absolute +(starting at the root, i.e., with '/'). Relative filenames most +likely cause surprises during operations (unless otherwise noted). + + ++--------+ +| OSTYPE | ++--------+ + +You MUST define an operating system environment, or the configuration +file build will puke. There are several environments available; look +at the "ostype" directory for the current list. This macro changes +things like the location of the alias file and queue directory. Some +of these files are identical to one another. + +It is IMPERATIVE that the OSTYPE occur before any MAILER definitions. +In general, the OSTYPE macro should go immediately after any version +information, and MAILER definitions should always go last. + +Operating system definitions are usually easy to write. They may define +the following variables (everything defaults, so an ostype file may be +empty). Unfortunately, the list of configuration-supported systems is +not as broad as the list of source-supported systems, since many of +the source contributors do not include corresponding ostype files. + +ALIAS_FILE [/etc/mail/aliases] The location of the text version + of the alias file(s). It can be a comma-separated + list of names (but be sure you quote values with + commas in them -- for example, use + define(`ALIAS_FILE', `a,b') + to get "a" and "b" both listed as alias files; + otherwise the define() primitive only sees "a"). +HELP_FILE [/etc/mail/helpfile] The name of the file + containing information printed in response to + the SMTP HELP command. +QUEUE_DIR [/var/spool/mqueue] The directory containing + queue files. To use multiple queues, supply + a value ending with an asterisk. For + example, /var/spool/mqueue/qd* will use all of the + directories or symbolic links to directories + beginning with 'qd' in /var/spool/mqueue as queue + directories. The names 'qf', 'df', and 'xf' are + reserved as specific subdirectories for the + corresponding queue file types as explained in + doc/op/op.me. See also QUEUE GROUP DEFINITIONS. +MSP_QUEUE_DIR [/var/spool/clientmqueue] The directory containing + queue files for the MSP (Mail Submission Program, + see sendmail/SECURITY). +STATUS_FILE [/etc/mail/statistics] The file containing status + information. +LOCAL_MAILER_PATH [/bin/mail] The program used to deliver local mail. +LOCAL_MAILER_FLAGS [Prmn9] The flags used by the local mailer. The + flags lsDFMAw5:/|@q are always included. +LOCAL_MAILER_ARGS [mail -d $u] The arguments passed to deliver local + mail. +LOCAL_MAILER_MAX [undefined] If defined, the maximum size of local + mail that you are willing to accept. +LOCAL_MAILER_MAXMSGS [undefined] If defined, the maximum number of + messages to deliver in a single connection. Only + useful for LMTP local mailers. +LOCAL_MAILER_CHARSET [undefined] If defined, messages containing 8-bit data + that ARRIVE from an address that resolves to the + local mailer and which are converted to MIME will be + labeled with this character set. +LOCAL_MAILER_EOL [undefined] If defined, the string to use as the + end of line for the local mailer. +LOCAL_MAILER_DSN_DIAGNOSTIC_CODE + [X-Unix] The DSN Diagnostic-Code value for the + local mailer. This should be changed with care. +LOCAL_SHELL_PATH [/bin/sh] The shell used to deliver piped email. +LOCAL_SHELL_FLAGS [eu9] The flags used by the shell mailer. The + flags lsDFM are always included. +LOCAL_SHELL_ARGS [sh -c $u] The arguments passed to deliver "prog" + mail. +LOCAL_SHELL_DIR [$z:/] The directory search path in which the + shell should run. +LOCAL_MAILER_QGRP [undefined] The queue group for the local mailer. +USENET_MAILER_PATH [/usr/lib/news/inews] The name of the program + used to submit news. +USENET_MAILER_FLAGS [rsDFMmn] The mailer flags for the usenet mailer. +USENET_MAILER_ARGS [-m -h -n] The command line arguments for the + usenet mailer. NOTE: Some versions of inews + (such as those shipped with newer versions of INN) + use different flags. Double check the defaults + against the inews man page. +USENET_MAILER_MAX [undefined] The maximum size of messages that will + be accepted by the usenet mailer. +USENET_MAILER_QGRP [undefined] The queue group for the usenet mailer. +SMTP_MAILER_FLAGS [undefined] Flags added to SMTP mailer. Default + flags are `mDFMuX' for all SMTP-based mailers; the + "esmtp" mailer adds `a'; "smtp8" adds `8'; and + "dsmtp" adds `%'. +RELAY_MAILER_FLAGS [undefined] Flags added to the relay mailer. Default + flags are `mDFMuX' for all SMTP-based mailers; the + relay mailer adds `a8'. If this is not defined, + then SMTP_MAILER_FLAGS is used. +SMTP_MAILER_MAX [undefined] The maximum size of messages that will + be transported using the smtp, smtp8, esmtp, or dsmtp + mailers. +SMTP_MAILER_MAXMSGS [undefined] If defined, the maximum number of + messages to deliver in a single connection for the + smtp, smtp8, esmtp, or dsmtp mailers. +SMTP_MAILER_MAXRCPTS [undefined] If defined, the maximum number of + recipients to deliver in a single connection for the + smtp, smtp8, esmtp, or dsmtp mailers. +SMTP_MAILER_ARGS [TCP $h] The arguments passed to the smtp mailer. + About the only reason you would want to change this + would be to change the default port. +ESMTP_MAILER_ARGS [TCP $h] The arguments passed to the esmtp mailer. +SMTP8_MAILER_ARGS [TCP $h] The arguments passed to the smtp8 mailer. +DSMTP_MAILER_ARGS [TCP $h] The arguments passed to the dsmtp mailer. +RELAY_MAILER_ARGS [TCP $h] The arguments passed to the relay mailer. +SMTP_MAILER_QGRP [undefined] The queue group for the smtp mailer. +ESMTP_MAILER_QGRP [undefined] The queue group for the esmtp mailer. +SMTP8_MAILER_QGRP [undefined] The queue group for the smtp8 mailer. +DSMTP_MAILER_QGRP [undefined] The queue group for the dsmtp mailer. +RELAY_MAILER_QGRP [undefined] The queue group for the relay mailer. +RELAY_MAILER_MAXMSGS [undefined] If defined, the maximum number of + messages to deliver in a single connection for the + relay mailer. +SMTP_MAILER_CHARSET [undefined] If defined, messages containing 8-bit data + that ARRIVE from an address that resolves to one of + the SMTP mailers and which are converted to MIME will + be labeled with this character set. +UUCP_MAILER_PATH [/usr/bin/uux] The program used to send UUCP mail. +UUCP_MAILER_FLAGS [undefined] Flags added to UUCP mailer. Default + flags are `DFMhuU' (and `m' for uucp-new mailer, + minus `U' for uucp-dom mailer). +UUCP_MAILER_ARGS [uux - -r -z -a$g -gC $h!rmail ($u)] The arguments + passed to the UUCP mailer. +UUCP_MAILER_MAX [100000] The maximum size message accepted for + transmission by the UUCP mailers. +UUCP_MAILER_CHARSET [undefined] If defined, messages containing 8-bit data + that ARRIVE from an address that resolves to one of + the UUCP mailers and which are converted to MIME will + be labeled with this character set. +UUCP_MAILER_QGRP [undefined] The queue group for the UUCP mailers. +FAX_MAILER_PATH [/usr/local/lib/fax/mailfax] The program used to + submit FAX messages. +FAX_MAILER_ARGS [mailfax $u $h $f] The arguments passed to the FAX + mailer. +FAX_MAILER_MAX [100000] The maximum size message accepted for + transmission by FAX. +POP_MAILER_PATH [/usr/lib/mh/spop] The pathname of the POP mailer. +POP_MAILER_FLAGS [Penu] Flags added to POP mailer. Flags lsDFMq + are always added. +POP_MAILER_ARGS [pop $u] The arguments passed to the POP mailer. +POP_MAILER_QGRP [undefined] The queue group for the pop mailer. +PROCMAIL_MAILER_PATH [/usr/local/bin/procmail] The path to the procmail + program. This is also used by + FEATURE(`local_procmail'). +PROCMAIL_MAILER_FLAGS [SPhnu9] Flags added to Procmail mailer. Flags + DFM are always set. This is NOT used by + FEATURE(`local_procmail'); tweak LOCAL_MAILER_FLAGS + instead. +PROCMAIL_MAILER_ARGS [procmail -Y -m $h $f $u] The arguments passed to + the Procmail mailer. This is NOT used by + FEATURE(`local_procmail'); tweak LOCAL_MAILER_ARGS + instead. +PROCMAIL_MAILER_MAX [undefined] If set, the maximum size message that + will be accepted by the procmail mailer. +PROCMAIL_MAILER_QGRP [undefined] The queue group for the procmail mailer. +MAIL11_MAILER_PATH [/usr/etc/mail11] The path to the mail11 mailer. +MAIL11_MAILER_FLAGS [nsFx] Flags for the mail11 mailer. +MAIL11_MAILER_ARGS [mail11 $g $x $h $u] Arguments passed to the mail11 + mailer. +MAIL11_MAILER_QGRP [undefined] The queue group for the mail11 mailer. +PH_MAILER_PATH [/usr/local/etc/phquery] The path to the phquery + program. +PH_MAILER_FLAGS [ehmu] Flags for the phquery mailer. Flags nrDFM + are always set. +PH_MAILER_ARGS [phquery -- $u] -- arguments to the phquery mailer. +PH_MAILER_QGRP [undefined] The queue group for the ph mailer. +CYRUS_MAILER_FLAGS [Ah5@/:|] The flags used by the cyrus mailer. The + flags lsDFMnPq are always included. +CYRUS_MAILER_PATH [/usr/cyrus/bin/deliver] The program used to deliver + cyrus mail. +CYRUS_MAILER_ARGS [deliver -e -m $h -- $u] The arguments passed + to deliver cyrus mail. +CYRUS_MAILER_MAX [undefined] If set, the maximum size message that + will be accepted by the cyrus mailer. +CYRUS_MAILER_USER [cyrus:mail] The user and group to become when + running the cyrus mailer. +CYRUS_MAILER_QGRP [undefined] The queue group for the cyrus mailer. +CYRUS_BB_MAILER_FLAGS [u] The flags used by the cyrusbb mailer. + The flags lsDFMnP are always included. +CYRUS_BB_MAILER_ARGS [deliver -e -m $u] The arguments passed + to deliver cyrusbb mail. +CYRUSV2_MAILER_FLAGS [A@/:|m] The flags used by the cyrusv2 mailer. The + flags lsDFMnqXz are always included. +CYRUSV2_MAILER_MAXMSGS [undefined] If defined, the maximum number of + messages to deliver in a single connection for the + cyrusv2 mailer. +CYRUSV2_MAILER_MAXRCPTS [undefined] If defined, the maximum number of + recipients to deliver in a single connection for the + cyrusv2 mailer. +CYRUSV2_MAILER_ARGS [FILE /var/imap/socket/lmtp] The arguments passed + to the cyrusv2 mailer. This can be used to + change the name of the Unix domain socket, or + to switch to delivery via TCP (e.g., `TCP $h lmtp') +CYRUSV2_MAILER_QGRP [undefined] The queue group for the cyrusv2 mailer. +CYRUSV2_MAILER_CHARSET [undefined] If defined, messages containing 8-bit data + that ARRIVE from an address that resolves to one the + Cyrus mailer and which are converted to MIME will + be labeled with this character set. +confEBINDIR [/usr/libexec] The directory for executables. + Currently used for FEATURE(`local_lmtp') and + FEATURE(`smrsh'). +QPAGE_MAILER_FLAGS [mDFMs] The flags used by the qpage mailer. +QPAGE_MAILER_PATH [/usr/local/bin/qpage] The program used to deliver + qpage mail. +QPAGE_MAILER_ARGS [qpage -l0 -m -P$u] The arguments passed + to deliver qpage mail. +QPAGE_MAILER_MAX [4096] If set, the maximum size message that + will be accepted by the qpage mailer. +QPAGE_MAILER_QGRP [undefined] The queue group for the qpage mailer. +LOCAL_PROG_QGRP [undefined] The queue group for the prog mailer. + +Note: to tweak Name_MAILER_FLAGS use the macro MODIFY_MAILER_FLAGS: +MODIFY_MAILER_FLAGS(`Name', `change') where Name is the first part of +the macro Name_MAILER_FLAGS and change can be: flags that should +be used directly (thus overriding the default value), or if it +starts with `+' (`-') then those flags are added to (removed from) +the default value. Example: + + MODIFY_MAILER_FLAGS(`LOCAL', `+e') + +will add the flag `e' to LOCAL_MAILER_FLAGS. Notice: there are +several smtp mailers all of which are manipulated individually. +See the section MAILERS for the available mailer names. +WARNING: The FEATUREs local_lmtp and local_procmail set LOCAL_MAILER_FLAGS +unconditionally, i.e., without respecting any definitions in an +OSTYPE setting. + + ++---------+ +| DOMAINS | ++---------+ + +You will probably want to collect domain-dependent defines into one +file, referenced by the DOMAIN macro. For example, the Berkeley +domain file includes definitions for several internal distinguished +hosts: + +UUCP_RELAY The host that will accept UUCP-addressed email. + If not defined, all UUCP sites must be directly + connected. +BITNET_RELAY The host that will accept BITNET-addressed email. + If not defined, the .BITNET pseudo-domain won't work. +DECNET_RELAY The host that will accept DECNET-addressed email. + If not defined, the .DECNET pseudo-domain and addresses + of the form node::user will not work. +FAX_RELAY The host that will accept mail to the .FAX pseudo-domain. + The "fax" mailer overrides this value. +LOCAL_RELAY The site that will handle unqualified names -- that + is, names without an @domain extension. + Normally MAIL_HUB is preferred for this function. + LOCAL_RELAY is mostly useful in conjunction with + FEATURE(`stickyhost') -- see the discussion of + stickyhost below. If not set, they are assumed to + belong on this machine. This allows you to have a + central site to store a company- or department-wide + alias database. This only works at small sites, + and only with some user agents. +LUSER_RELAY The site that will handle lusers -- that is, apparently + local names that aren't local accounts or aliases. To + specify a local user instead of a site, set this to + ``local:username''. + +Any of these can be either ``mailer:hostname'' (in which case the +mailer is the internal mailer name, such as ``uucp-new'' and the hostname +is the name of the host as appropriate for that mailer) or just a +``hostname'', in which case a default mailer type (usually ``relay'', +a variant on SMTP) is used. WARNING: if you have a wildcard MX +record matching your domain, you probably want to define these to +have a trailing dot so that you won't get the mail diverted back +to yourself. + +The domain file can also be used to define a domain name, if needed +(using "DD") and set certain site-wide features. If all hosts +at your site masquerade behind one email name, you could also use +MASQUERADE_AS here. + +You do not have to define a domain -- in particular, if you are a +single machine sitting off somewhere, it is probably more work than +it's worth. This is just a mechanism for combining "domain dependent +knowledge" into one place. + + ++---------+ +| MAILERS | ++---------+ + +There are fewer mailers supported in this version than the previous +version, owing mostly to a simpler world. As a general rule, put the +MAILER definitions last in your .mc file. + +local The local and prog mailers. You will almost always + need these; the only exception is if you relay ALL + your mail to another site. This mailer is included + automatically. + +smtp The Simple Mail Transport Protocol mailer. This does + not hide hosts behind a gateway or another other + such hack; it assumes a world where everyone is + running the name server. This file actually defines + five mailers: "smtp" for regular (old-style) SMTP to + other servers, "esmtp" for extended SMTP to other + servers, "smtp8" to do SMTP to other servers without + converting 8-bit data to MIME (essentially, this is + your statement that you know the other end is 8-bit + clean even if it doesn't say so), "dsmtp" to do on + demand delivery, and "relay" for transmission to the + RELAY_HOST, LUSER_RELAY, or MAIL_HUB. + +uucp The UNIX-to-UNIX Copy Program mailer. Actually, this + defines two mailers, "uucp-old" (a.k.a. "uucp") and + "uucp-new" (a.k.a. "suucp"). The latter is for when you + know that the UUCP mailer at the other end can handle + multiple recipients in one transfer. If the smtp mailer + is included in your configuration, two other mailers + ("uucp-dom" and "uucp-uudom") are also defined [warning: you + MUST specify MAILER(`smtp') before MAILER(`uucp')]. When you + include the uucp mailer, sendmail looks for all names in + class {U} and sends them to the uucp-old mailer; all + names in class {Y} are sent to uucp-new; and all + names in class {Z} are sent to uucp-uudom. Note that + this is a function of what version of rmail runs on + the receiving end, and hence may be out of your control. + See the section below describing UUCP mailers in more + detail. + +usenet Usenet (network news) delivery. If this is specified, + an extra rule is added to ruleset 0 that forwards all + local email for users named ``group.usenet'' to the + ``inews'' program. Note that this works for all groups, + and may be considered a security problem. + +fax Facsimile transmission. This is experimental and based + on Sam Leffler's HylaFAX software. For more information, + see http://www.hylafax.org/. + +pop Post Office Protocol. + +procmail An interface to procmail (does not come with sendmail). + This is designed to be used in mailertables. For example, + a common question is "how do I forward all mail for a given + domain to a single person?". If you have this mailer + defined, you could set up a mailertable reading: + + host.com procmail:/etc/procmailrcs/host.com + + with the file /etc/procmailrcs/host.com reading: + + :0 # forward mail for host.com + ! -oi -f $1 person@other.host + + This would arrange for (anything)@host.com to be sent + to person@other.host. In a procmail script, $1 is the + name of the sender and $2 is the name of the recipient. + If you use this with FEATURE(`local_procmail'), the FEATURE + should be listed first. + + Of course there are other ways to solve this particular + problem, e.g., a catch-all entry in a virtusertable. + +mail11 The DECnet mail11 mailer, useful only if you have the mail11 + program from gatekeeper.dec.com:/pub/DEC/gwtools (and + DECnet, of course). This is for Phase IV DECnet support; + if you have Phase V at your site you may have additional + problems. + +phquery The phquery program. This is somewhat counterintuitively + referenced as the "ph" mailer internally. It can be used + to do CCSO name server lookups. The phquery program, which + this mailer uses, is distributed with the ph client. + +cyrus The cyrus and cyrusbb mailers. The cyrus mailer delivers to + a local cyrus user. this mailer can make use of the + "user+detail@local.host" syntax (see + FEATURE(`preserve_local_plus_detail')); it will deliver the + mail to the user's "detail" mailbox if the mailbox's ACL + permits. The cyrusbb mailer delivers to a system-wide + cyrus mailbox if the mailbox's ACL permits. The cyrus + mailer must be defined after the local mailer. + +cyrusv2 The mailer for Cyrus v2.x. The cyrusv2 mailer delivers to + local cyrus users via LMTP. This mailer can make use of the + "user+detail@local.host" syntax (see + FEATURE(`preserve_local_plus_detail')); it will deliver the + mail to the user's "detail" mailbox if the mailbox's ACL + permits. The cyrusv2 mailer must be defined after the + local mailer. + +qpage A mailer for QuickPage, a pager interface. See + http://www.qpage.org/ for further information. + +The local mailer accepts addresses of the form "user+detail", where +the "+detail" is not used for mailbox matching but is available +to certain local mail programs (in particular, see +FEATURE(`local_procmail')). For example, "eric", "eric+sendmail", and +"eric+sww" all indicate the same user, but additional arguments , +"sendmail", and "sww" may be provided for use in sorting mail. + + ++----------+ +| FEATURES | ++----------+ + +Special features can be requested using the "FEATURE" macro. For +example, the .mc line: + + FEATURE(`use_cw_file') + +tells sendmail that you want to have it read an /etc/mail/local-host-names +file to get values for class {w}. A FEATURE may contain up to 9 +optional parameters -- for example: + + FEATURE(`mailertable', `dbm /usr/lib/mailertable') + +The default database map type for the table features can be set with + + define(`DATABASE_MAP_TYPE', `dbm') + +which would set it to use ndbm databases. The default is the Berkeley DB +hash database format. Note that you must still declare a database map type +if you specify an argument to a FEATURE. DATABASE_MAP_TYPE is only used +if no argument is given for the FEATURE. It must be specified before any +feature that uses a map. + +Also, features which can take a map definition as an argument can also take +the special keyword `LDAP'. If that keyword is used, the map will use the +LDAP definition described in the ``USING LDAP FOR ALIASES, MAPS, AND +CLASSES'' section below. + +Available features are: + +use_cw_file Read the file /etc/mail/local-host-names file to get + alternate names for this host. This might be used if you + were on a host that MXed for a dynamic set of other hosts. + If the set is static, just including the line "Cw + ..." (where the names are fully qualified domain + names) is probably superior. The actual filename can be + overridden by redefining confCW_FILE. + +use_ct_file Read the file /etc/mail/trusted-users file to get the + names of users that will be ``trusted'', that is, able to + set their envelope from address using -f without generating + a warning message. The actual filename can be overridden + by redefining confCT_FILE. + +redirect Reject all mail addressed to "address.REDIRECT" with + a ``551 User has moved; please try
'' message. + If this is set, you can alias people who have left + to their new address with ".REDIRECT" appended. + +nouucp Don't route UUCP addresses. This feature takes one + parameter: + `reject': reject addresses which have "!" in the local + part unless it originates from a system + that is allowed to relay. + `nospecial': don't do anything special with "!". + Warnings: 1. See the notice in the anti-spam section. + 2. don't remove "!" from OperatorChars if `reject' is + given as parameter. + +nocanonify Don't pass addresses to $[ ... $] for canonification + by default, i.e., host/domain names are considered canonical, + except for unqualified names, which must not be used in this + mode (violation of the standard). It can be changed by + setting the DaemonPortOptions modifiers (M=). That is, + FEATURE(`nocanonify') will be overridden by setting the + 'c' flag. Conversely, if FEATURE(`nocanonify') is not used, + it can be emulated by setting the 'C' flag + (DaemonPortOptions=Modifiers=C). This would generally only + be used by sites that only act as mail gateways or which have + user agents that do full canonification themselves. You may + also want to use + "define(`confBIND_OPTS', `-DNSRCH -DEFNAMES')" to turn off + the usual resolver options that do a similar thing. + + An exception list for FEATURE(`nocanonify') can be + specified with CANONIFY_DOMAIN or CANONIFY_DOMAIN_FILE, + i.e., a list of domains which are nevertheless passed to + $[ ... $] for canonification. This is useful to turn on + canonification for local domains, e.g., use + CANONIFY_DOMAIN(`my.domain my') to canonify addresses + which end in "my.domain" or "my". + Another way to require canonification in the local + domain is CANONIFY_DOMAIN(`$=m'). + + A trailing dot is added to addresses with more than + one component in it such that other features which + expect a trailing dot (e.g., virtusertable) will + still work. + + If `canonify_hosts' is specified as parameter, i.e., + FEATURE(`nocanonify', `canonify_hosts'), then + addresses which have only a hostname, e.g., + , will be canonified (and hopefully fully + qualified), too. + +stickyhost This feature is sometimes used with LOCAL_RELAY, + although it can be used for a different effect with + MAIL_HUB. + + When used without MAIL_HUB, email sent to + "user@local.host" are marked as "sticky" -- that + is, the local addresses aren't matched against UDB, + don't go through ruleset 5, and are not forwarded to + the LOCAL_RELAY (if defined). + + With MAIL_HUB, mail addressed to "user@local.host" + is forwarded to the mail hub, with the envelope + address still remaining "user@local.host". + Without stickyhost, the envelope would be changed + to "user@mail_hub", in order to protect against + mailing loops. + +mailertable Include a "mailer table" which can be used to override + routing for particular domains (which are not in class {w}, + i.e. local host names). The argument of the FEATURE may be + the key definition. If none is specified, the definition + used is: + + hash /etc/mail/mailertable + + Keys in this database are fully qualified domain names + or partial domains preceded by a dot -- for example, + "vangogh.CS.Berkeley.EDU" or ".CS.Berkeley.EDU". As a + special case of the latter, "." matches any domain not + covered by other keys. Values must be of the form: + mailer:domain + where "mailer" is the internal mailer name, and "domain" + is where to send the message. These maps are not + reflected into the message header. As a special case, + the forms: + local:user + will forward to the indicated user using the local mailer, + local: + will forward to the original user in the e-mail address + using the local mailer, and + error:code message + error:D.S.N:code message + will give an error message with the indicated SMTP reply + code and message, where D.S.N is an RFC 1893 compliant + error code. + +domaintable Include a "domain table" which can be used to provide + domain name mapping. Use of this should really be + limited to your own domains. It may be useful if you + change names (e.g., your company changes names from + oldname.com to newname.com). The argument of the + FEATURE may be the key definition. If none is specified, + the definition used is: + + hash /etc/mail/domaintable + + The key in this table is the domain name; the value is + the new (fully qualified) domain. Anything in the + domaintable is reflected into headers; that is, this + is done in ruleset 3. + +bitdomain Look up bitnet hosts in a table to try to turn them into + internet addresses. The table can be built using the + bitdomain program contributed by John Gardiner Myers. + The argument of the FEATURE may be the key definition; if + none is specified, the definition used is: + + hash /etc/mail/bitdomain + + Keys are the bitnet hostname; values are the corresponding + internet hostname. + +uucpdomain Similar feature for UUCP hosts. The default map definition + is: + + hash /etc/mail/uudomain + + At the moment there is no automagic tool to build this + database. + +always_add_domain + Include the local host domain even on locally delivered + mail. Normally it is not added on unqualified names. + However, if you use a shared message store but do not use + the same user name space everywhere, you may need the host + name on local names. An optional argument specifies + another domain to be added than the local. + +allmasquerade If masquerading is enabled (using MASQUERADE_AS), this + feature will cause recipient addresses to also masquerade + as being from the masquerade host. Normally they get + the local hostname. Although this may be right for + ordinary users, it can break local aliases. For example, + if you send to "localalias", the originating sendmail will + find that alias and send to all members, but send the + message with "To: localalias@masqueradehost". Since that + alias likely does not exist, replies will fail. Use this + feature ONLY if you can guarantee that the ENTIRE + namespace on your masquerade host supersets all the + local entries. + +limited_masquerade + Normally, any hosts listed in class {w} are masqueraded. If + this feature is given, only the hosts listed in class {M} (see + below: MASQUERADE_DOMAIN) are masqueraded. This is useful + if you have several domains with disjoint namespaces hosted + on the same machine. + +masquerade_entire_domain + If masquerading is enabled (using MASQUERADE_AS) and + MASQUERADE_DOMAIN (see below) is set, this feature will + cause addresses to be rewritten such that the masquerading + domains are actually entire domains to be hidden. All + hosts within the masquerading domains will be rewritten + to the masquerade name (used in MASQUERADE_AS). For example, + if you have: + + MASQUERADE_AS(`masq.com') + MASQUERADE_DOMAIN(`foo.org') + MASQUERADE_DOMAIN(`bar.com') + + then *foo.org and *bar.com are converted to masq.com. Without + this feature, only foo.org and bar.com are masqueraded. + + NOTE: only domains within your jurisdiction and + current hierarchy should be masqueraded using this. + +local_no_masquerade + This feature prevents the local mailer from masquerading even + if MASQUERADE_AS is used. MASQUERADE_AS will only have effect + on addresses of mail going outside the local domain. + +masquerade_envelope + If masquerading is enabled (using MASQUERADE_AS) or the + genericstable is in use, this feature will cause envelope + addresses to also masquerade as being from the masquerade + host. Normally only the header addresses are masqueraded. + +genericstable This feature will cause unqualified addresses (i.e., without + a domain) and addresses with a domain listed in class {G} + to be looked up in a map and turned into another ("generic") + form, which can change both the domain name and the user name. + Notice: if you use an MSP (as it is default starting with + 8.12), the MTA will only receive qualified addresses from the + MSP (as required by the RFCs). Hence you need to add your + domain to class {G}. This feature is similar to the userdb + functionality. The same types of addresses as for + masquerading are looked up, i.e., only header sender + addresses unless the allmasquerade and/or masquerade_envelope + features are given. Qualified addresses must have the domain + part in class {G}; entries can be added to this class by the + macros GENERICS_DOMAIN or GENERICS_DOMAIN_FILE (analogously + to MASQUERADE_DOMAIN and MASQUERADE_DOMAIN_FILE, see below). + + The argument of FEATURE(`genericstable') may be the map + definition; the default map definition is: + + hash /etc/mail/genericstable + + The key for this table is either the full address, the domain + (with a leading @; the localpart is passed as first argument) + or the unqualified username (tried in the order mentioned); + the value is the new user address. If the new user address + does not include a domain, it will be qualified in the standard + manner, i.e., using $j or the masquerade name. Note that the + address being looked up must be fully qualified. For local + mail, it is necessary to use FEATURE(`always_add_domain') + for the addresses to be qualified. + The "+detail" of an address is passed as %1, so entries like + + old+*@foo.org new+%1@example.com + gen+*@foo.org %1@example.com + + and other forms are possible. + +generics_entire_domain + If the genericstable is enabled and GENERICS_DOMAIN or + GENERICS_DOMAIN_FILE is used, this feature will cause + addresses to be searched in the map if their domain + parts are subdomains of elements in class {G}. + +virtusertable A domain-specific form of aliasing, allowing multiple + virtual domains to be hosted on one machine. For example, + if the virtuser table contained: + + info@foo.com foo-info + info@bar.com bar-info + joe@bar.com error:nouser 550 No such user here + jax@bar.com error:5.7.0:550 Address invalid + @baz.org jane@example.net + + then mail addressed to info@foo.com will be sent to the + address foo-info, mail addressed to info@bar.com will be + delivered to bar-info, and mail addressed to anyone at baz.org + will be sent to jane@example.net, mail to joe@bar.com will + be rejected with the specified error message, and mail to + jax@bar.com will also have a RFC 1893 compliant error code + 5.7.0. + + The username from the original address is passed + as %1 allowing: + + @foo.org %1@example.com + + meaning someone@foo.org will be sent to someone@example.com. + Additionally, if the local part consists of "user+detail" + then "detail" is passed as %2 and "+detail" is passed as %3 + when a match against user+* is attempted, so entries like + + old+*@foo.org new+%2@example.com + gen+*@foo.org %2@example.com + +*@foo.org %1%3@example.com + X++@foo.org Z%3@example.com + @bar.org %1%3 + + and other forms are possible. Note: to preserve "+detail" + for a default case (@domain) %1%3 must be used as RHS. + There are two wildcards after "+": "+" matches only a non-empty + detail, "*" matches also empty details, e.g., user+@foo.org + matches +*@foo.org but not ++@foo.org. This can be used + to ensure that the parameters %2 and %3 are not empty. + + All the host names on the left hand side (foo.com, bar.com, + and baz.org) must be in class {w} or class {VirtHost}. The + latter can be defined by the macros VIRTUSER_DOMAIN or + VIRTUSER_DOMAIN_FILE (analogously to MASQUERADE_DOMAIN and + MASQUERADE_DOMAIN_FILE, see below). If VIRTUSER_DOMAIN or + VIRTUSER_DOMAIN_FILE is used, then the entries of class + {VirtHost} are added to class {R}, i.e., relaying is allowed + to (and from) those domains. The default map definition is: + + hash /etc/mail/virtusertable + + A new definition can be specified as the second argument of + the FEATURE macro, such as + + FEATURE(`virtusertable', `dbm /etc/mail/virtusers') + +virtuser_entire_domain + If the virtusertable is enabled and VIRTUSER_DOMAIN or + VIRTUSER_DOMAIN_FILE is used, this feature will cause + addresses to be searched in the map if their domain + parts are subdomains of elements in class {VirtHost}. + +ldap_routing Implement LDAP-based e-mail recipient routing according to + the Internet Draft draft-lachman-laser-ldap-mail-routing-01. + This provides a method to re-route addresses with a + domain portion in class {LDAPRoute} to either a + different mail host or a different address. Hosts can + be added to this class using LDAPROUTE_DOMAIN and + LDAPROUTE_DOMAIN_FILE (analogously to MASQUERADE_DOMAIN and + MASQUERADE_DOMAIN_FILE, see below). + + See the LDAP ROUTING section below for more information. + +nodns If you aren't running DNS at your site (for example, + you are UUCP-only connected). It's hard to consider + this a "feature", but hey, it had to go somewhere. + Actually, as of 8.7 this is a no-op -- remove "dns" from + the hosts service switch entry instead. + +nullclient This is a special case -- it creates a configuration file + containing nothing but support for forwarding all mail to a + central hub via a local SMTP-based network. The argument + is the name of that hub. + + The only other feature that should be used in conjunction + with this one is FEATURE(`nocanonify'). No mailers + should be defined. No aliasing or forwarding is done. + +local_lmtp Use an LMTP capable local mailer. The argument to this + feature is the pathname of an LMTP capable mailer. By + default, mail.local is used. This is expected to be the + mail.local which came with the 8.9 distribution which is + LMTP capable. The path to mail.local is set by the + confEBINDIR m4 variable -- making the default + LOCAL_MAILER_PATH /usr/libexec/mail.local. + If a different LMTP capable mailer is used, its pathname + can be specified as second parameter and the arguments + passed to it (A=) as third parameter, e.g., + + FEATURE(`local_lmtp', `/usr/local/bin/lmtp', `lmtp') + + WARNING: This feature sets LOCAL_MAILER_FLAGS unconditionally, + i.e., without respecting any definitions in an OSTYPE setting. + +local_procmail Use procmail or another delivery agent as the local mailer. + The argument to this feature is the pathname of the + delivery agent, which defaults to PROCMAIL_MAILER_PATH. + Note that this does NOT use PROCMAIL_MAILER_FLAGS or + PROCMAIL_MAILER_ARGS for the local mailer; tweak + LOCAL_MAILER_FLAGS and LOCAL_MAILER_ARGS instead, or + specify the appropriate parameters. When procmail is used, + the local mailer can make use of the + "user+indicator@local.host" syntax; normally the +indicator + is just tossed, but by default it is passed as the -a + argument to procmail. + + This feature can take up to three arguments: + + 1. Path to the mailer program + [default: /usr/local/bin/procmail] + 2. Argument vector including name of the program + [default: procmail -Y -a $h -d $u] + 3. Flags for the mailer [default: SPfhn9] + + Empty arguments cause the defaults to be taken. + Note that if you are on a system with a broken + setreuid() call, you may need to add -f $f to the procmail + argument vector to pass the proper sender to procmail. + + For example, this allows it to use the maildrop + (http://www.flounder.net/~mrsam/maildrop/) mailer instead + by specifying: + + FEATURE(`local_procmail', `/usr/local/bin/maildrop', + `maildrop -d $u') + + or scanmails using: + + FEATURE(`local_procmail', `/usr/local/bin/scanmails') + + WARNING: This feature sets LOCAL_MAILER_FLAGS unconditionally, + i.e., without respecting any definitions in an OSTYPE setting. + +bestmx_is_local Accept mail as though locally addressed for any host that + lists us as the best possible MX record. This generates + additional DNS traffic, but should be OK for low to + medium traffic hosts. The argument may be a set of + domains, which will limit the feature to only apply to + these domains -- this will reduce unnecessary DNS + traffic. THIS FEATURE IS FUNDAMENTALLY INCOMPATIBLE WITH + WILDCARD MX RECORDS!!! If you have a wildcard MX record + that matches your domain, you cannot use this feature. + +smrsh Use the SendMail Restricted SHell (smrsh) provided + with the distribution instead of /bin/sh for mailing + to programs. This improves the ability of the local + system administrator to control what gets run via + e-mail. If an argument is provided it is used as the + pathname to smrsh; otherwise, the path defined by + confEBINDIR is used for the smrsh binary -- by default, + /usr/libexec/smrsh is assumed. + +promiscuous_relay + By default, the sendmail configuration files do not permit + mail relaying (that is, accepting mail from outside your + local host (class {w}) and sending it to another host than + your local host). This option sets your site to allow + mail relaying from any site to any site. In almost all + cases, it is better to control relaying more carefully + with the access map, class {R}, or authentication. Domains + can be added to class {R} by the macros RELAY_DOMAIN or + RELAY_DOMAIN_FILE (analogously to MASQUERADE_DOMAIN and + MASQUERADE_DOMAIN_FILE, see below). + +relay_entire_domain + This option allows any host in your domain as defined by + class {m} to use your server for relaying. Notice: make + sure that your domain is not just a top level domain, + e.g., com. This can happen if you give your host a name + like example.com instead of host.example.com. + +relay_hosts_only + By default, names that are listed as RELAY in the access + db and class {R} are treated as domain names, not host names. + For example, if you specify ``foo.com'', then mail to or + from foo.com, abc.foo.com, or a.very.deep.domain.foo.com + will all be accepted for relaying. This feature changes + the behaviour to lookup individual host names only. + +relay_based_on_MX + Turns on the ability to allow relaying based on the MX + records of the host portion of an incoming recipient; that + is, if an MX record for host foo.com points to your site, + you will accept and relay mail addressed to foo.com. See + description below for more information before using this + feature. Also, see the KNOWNBUGS entry regarding bestmx + map lookups. + + FEATURE(`relay_based_on_MX') does not necessarily allow + routing of these messages which you expect to be allowed, + if route address syntax (or %-hack syntax) is used. If + this is a problem, add entries to the access-table or use + FEATURE(`loose_relay_check'). + +relay_mail_from + Allows relaying if the mail sender is listed as RELAY in + the access map. If an optional argument `domain' (this + is the literal word `domain', not a placeholder) is given, + relaying can be allowed just based on the domain portion + of the sender address. This feature should only be used if + absolutely necessary as the sender address can be easily + forged. Use of this feature requires the "From:" tag to + be used for the key in the access map; see the discussion + of tags and FEATURE(`relay_mail_from') in the section on + anti-spam configuration control. + +relay_local_from + Allows relaying if the domain portion of the mail sender + is a local host. This should only be used if absolutely + necessary as it opens a window for spammers. Specifically, + they can send mail to your mail server that claims to be + from your domain (either directly or via a routed address), + and you will go ahead and relay it out to arbitrary hosts + on the Internet. + +accept_unqualified_senders + Normally, MAIL FROM: commands in the SMTP session will be + refused if the connection is a network connection and the + sender address does not include a domain name. If your + setup sends local mail unqualified (i.e., MAIL FROM: ), + you will need to use this feature to accept unqualified + sender addresses. Setting the DaemonPortOptions modifier + 'u' overrides the default behavior, i.e., unqualified + addresses are accepted even without this FEATURE. + If this FEATURE is not used, the DaemonPortOptions modifier + 'f' can be used to enforce fully qualified addresses. + +accept_unresolvable_domains + Normally, MAIL FROM: commands in the SMTP session will be + refused if the host part of the argument to MAIL FROM: + cannot be located in the host name service (e.g., an A or + MX record in DNS). If you are inside a firewall that has + only a limited view of the Internet host name space, this + could cause problems. In this case you probably want to + use this feature to accept all domains on input, even if + they are unresolvable. + +access_db Turns on the access database feature. The access db gives + you the ability to allow or refuse to accept mail from + specified domains for administrative reasons. Moreover, + it can control the behavior of sendmail in various situations. + By default, the access database specification is: + + hash -T /etc/mail/access + + See the anti-spam configuration control section for further + important information about this feature. Notice: + "-T" is meant literal, do not replace it by anything. + +blacklist_recipients + Turns on the ability to block incoming mail for certain + recipient usernames, hostnames, or addresses. For + example, you can block incoming mail to user nobody, + host foo.mydomain.com, or guest@bar.mydomain.com. + These specifications are put in the access db as + described in the anti-spam configuration control section + later in this document. + +delay_checks The rulesets check_mail and check_relay will not be called + when a client connects or issues a MAIL command, respectively. + Instead, those rulesets will be called by the check_rcpt + ruleset; they will be skipped under certain circumstances. + See "Delay all checks" in the anti-spam configuration control + section. Note: this feature is incompatible to the versions + in 8.10 and 8.11. + +use_client_ptr If this feature is enabled then check_relay will override + its first argument with $&{client_ptr}. This is useful for + rejections based on the unverified hostname of client, + which turns on the same behavior as in earlier sendmail + versions when delay_checks was not in use. See doc/op/op.* + about check_relay, {client_name}, and {client_ptr}. + +dnsbl Turns on rejection of hosts found in an DNS based rejection + list. If an argument is provided it is used as the domain + in which blocked hosts are listed; otherwise it defaults to + blackholes.mail-abuse.org. An explanation for an DNS based + rejection list can be found at http://mail-abuse.org/rbl/. + A second argument can be used to change the default error + message. Without that second argument, the error message + will be + Rejected: IP-ADDRESS listed at SERVER + where IP-ADDRESS and SERVER are replaced by the appropriate + information. By default, temporary lookup failures are + ignored. This behavior can be changed by specifying a + third argument, which must be either `t' or a full error + message. See the anti-spam configuration control section for + an example. The dnsbl feature can be included several times + to query different DNS based rejection lists. See also + enhdnsbl for an enhanced version. + + Set the DNSBL_MAP mc option to change the default map + definition from `host'. Set the DNSBL_MAP_OPT mc option + to add additional options to the map specification used. + + Some DNS based rejection lists cause failures if asked + for AAAA records. If your sendmail version is compiled + with IPv6 support (NETINET6) and you experience this + problem, add + + define(`DNSBL_MAP', `dns -R A') + + before the first use of this feature. Alternatively you + can use enhdnsbl instead (see below). Moreover, this + statement can be used to reduce the number of DNS retries, + e.g., + + define(`DNSBL_MAP', `dns -R A -r2') + + See below (EDNSBL_TO) for an explanation. + + NOTE: The default DNS blacklist, blackholes.mail-abuse.org, + is a service offered by the Mail Abuse Prevention System + (MAPS). As of July 31, 2001, MAPS is a subscription + service, so using that network address won't work if you + haven't subscribed. Contact MAPS to subscribe + (http://mail-abuse.org/). + +enhdnsbl Enhanced version of dnsbl (see above). Further arguments + (up to 5) can be used to specify specific return values + from lookups. Temporary lookup failures are ignored unless + a third argument is given, which must be either `t' or a full + error message. By default, any successful lookup will + generate an error. Otherwise the result of the lookup is + compared with the supplied argument(s), and only if a match + occurs an error is generated. For example, + + FEATURE(`enhdnsbl', `dnsbl.example.com', `', `t', `127.0.0.2.') + + will reject the e-mail if the lookup returns the value + ``127.0.0.2.'', or generate a 451 response if the lookup + temporarily failed. The arguments can contain metasymbols + as they are allowed in the LHS of rules. As the example + shows, the default values are also used if an empty argument, + i.e., `', is specified. This feature requires that sendmail + has been compiled with the flag DNSMAP (see sendmail/README). + + Set the EDNSBL_TO mc option to change the DNS retry count + from the default value of 5, this can be very useful when + a DNS server is not responding, which in turn may cause + clients to time out (an entry stating + + did not issue MAIL/EXPN/VRFY/ETRN + + will be logged). + +ratecontrol Enable simple ruleset to do connection rate control + checking. This requires entries in access_db of the form + + ClientRate:IP.ADD.RE.SS LIMIT + + The RHS specifies the maximum number of connections + (an integer number) over the time interval defined + by ConnectionRateWindowSize, where 0 means unlimited. + + Take the following example: + + ClientRate:10.1.2.3 4 + ClientRate:127.0.0.1 0 + ClientRate: 10 + + 10.1.2.3 can only make up to 4 connections, the + general limit it 10, and 127.0.0.1 can make an unlimited + number of connections per ConnectionRateWindowSize. + + See also CONNECTION CONTROL. + +conncontrol Enable a simple check of the number of incoming SMTP + connections. This requires entries in access_db of the + form + + ClientConn:IP.ADD.RE.SS LIMIT + + The RHS specifies the maximum number of open connections + (an integer number). + + Take the following example: + + ClientConn:10.1.2.3 4 + ClientConn:127.0.0.1 0 + ClientConn: 10 + + 10.1.2.3 can only have up to 4 open connections, the + general limit it 10, and 127.0.0.1 does not have any + explicit limit. + + See also CONNECTION CONTROL. + +mtamark Experimental support for "Marking Mail Transfer Agents in + Reverse DNS with TXT RRs" (MTAMark), see + draft-stumpf-dns-mtamark-01. Optional arguments are: + + 1. Error message, default: + + 550 Rejected: $&{client_addr} not listed as MTA + + 2. Temporary lookup failures are ignored unless a second + argument is given, which must be either `t' or a full + error message. + + 3. Lookup prefix, default: _perm._smtp._srv. This should + not be changed unless the draft changes it. + + Example: + + FEATURE(`mtamark', `', `t') + +lookupdotdomain Look up also .domain in the access map. This allows to + match only subdomains. It does not work well with + FEATURE(`relay_hosts_only'), because most lookups for + subdomains are suppressed by the latter feature. + +loose_relay_check + Normally, if % addressing is used for a recipient, e.g. + user%site@othersite, and othersite is in class {R}, the + check_rcpt ruleset will strip @othersite and recheck + user@site for relaying. This feature changes that + behavior. It should not be needed for most installations. + +authinfo Provide a separate map for client side authentication + information. See SMTP AUTHENTICATION for details. + By default, the authinfo database specification is: + + hash /etc/mail/authinfo + +preserve_luser_host + Preserve the name of the recipient host if LUSER_RELAY is + used. Without this option, the domain part of the + recipient address will be replaced by the host specified as + LUSER_RELAY. This feature only works if the hostname is + passed to the mailer (see mailer triple in op.me). Note + that in the default configuration the local mailer does not + receive the hostname, i.e., the mailer triple has an empty + hostname. + +preserve_local_plus_detail + Preserve the +detail portion of the address when passing + address to local delivery agent. Disables alias and + .forward +detail stripping (e.g., given user+detail, only + that address will be looked up in the alias file; user+* and + user will not be looked up). Only use if the local + delivery agent in use supports +detail addressing. + +compat_check Enable ruleset check_compat to look up pairs of addresses + with the Compat: tag -- Compat:sender<@>recipient -- in the + access map. Valid values for the RHS include + DISCARD silently discard recipient + TEMP: return a temporary error + ERROR: return a permanent error + In the last two cases, a 4xy/5xy SMTP reply code should + follow the colon. + +no_default_msa Don't generate the default MSA daemon, i.e., + DAEMON_OPTIONS(`Port=587,Name=MSA,M=E') + To define a MSA daemon with other parameters, use this + FEATURE and introduce new settings via DAEMON_OPTIONS(). + +msp Defines config file for Message Submission Program. + See sendmail/SECURITY for details and cf/cf/submit.mc how + to use it. An optional argument can be used to override + the default of `[localhost]' to use as host to send all + e-mails to. Note that MX records will be used if the + specified hostname is not in square brackets (e.g., + [hostname]). If `MSA' is specified as second argument then + port 587 is used to contact the server. Example: + + FEATURE(`msp', `', `MSA') + + Some more hints about possible changes can be found below + in the section MESSAGE SUBMISSION PROGRAM. + + Note: Due to many problems, submit.mc uses + + FEATURE(`msp', `[127.0.0.1]') + + by default. If you have a machine with IPv6 only, + change it to + + FEATURE(`msp', `[IPv6:::1]') + + If you want to continue using '[localhost]', (the behavior + up to 8.12.6), use + + FEATURE(`msp') + +queuegroup A simple example how to select a queue group based + on the full e-mail address or the domain of the + recipient. Selection is done via entries in the + access map using the tag QGRP:, for example: + + QGRP:example.com main + QGRP:friend@some.org others + QGRP:my.domain local + + where "main", "others", and "local" are names of + queue groups. If an argument is specified, it is used + as default queue group. + + Note: please read the warning in doc/op/op.me about + queue groups and possible queue manipulations. + +greet_pause Adds the greet_pause ruleset which enables open proxy + and SMTP slamming protection. The feature can take an + argument specifying the milliseconds to wait: + + FEATURE(`greet_pause', `5000') dnl 5 seconds + + If FEATURE(`access_db') is enabled, an access database + lookup with the GreetPause tag is done using client + hostname, domain, IP address, or subnet to determine the + pause time: + + GreetPause:my.domain 0 + GreetPause:example.com 5000 + GreetPause:10.1.2 2000 + GreetPause:127.0.0.1 0 + + When using FEATURE(`access_db'), the optional + FEATURE(`greet_pause') argument becomes the default if + nothing is found in the access database. A ruleset called + Local_greet_pause can be used for local modifications, e.g., + + LOCAL_RULESETS + SLocal_greet_pause + R$* $: $&{daemon_flags} + R$* a $* $# 0 + ++-------+ +| HACKS | ++-------+ + +Some things just can't be called features. To make this clear, +they go in the hack subdirectory and are referenced using the HACK +macro. These will tend to be site-dependent. The release +includes the Berkeley-dependent "cssubdomain" hack (that makes +sendmail accept local names in either Berkeley.EDU or CS.Berkeley.EDU; +this is intended as a short-term aid while moving hosts into +subdomains. + + ++--------------------+ +| SITE CONFIGURATION | ++--------------------+ + + ***************************************************** + * This section is really obsolete, and is preserved * + * only for back compatibility. You should plan on * + * using mailertables for new installations. In * + * particular, it doesn't work for the newer forms * + * of UUCP mailers, such as uucp-uudom. * + ***************************************************** + +Complex sites will need more local configuration information, such as +lists of UUCP hosts they speak with directly. This can get a bit more +tricky. For an example of a "complex" site, see cf/ucbvax.mc. + +The SITECONFIG macro allows you to indirectly reference site-dependent +configuration information stored in the siteconfig subdirectory. For +example, the line + + SITECONFIG(`uucp.ucbvax', `ucbvax', `U') + +reads the file uucp.ucbvax for local connection information. The +second parameter is the local name (in this case just "ucbvax" since +it is locally connected, and hence a UUCP hostname). The third +parameter is the name of both a macro to store the local name (in +this case, {U}) and the name of the class (e.g., {U}) in which to store +the host information read from the file. Another SITECONFIG line reads + + SITECONFIG(`uucp.ucbarpa', `ucbarpa.Berkeley.EDU', `W') + +This says that the file uucp.ucbarpa contains the list of UUCP sites +connected to ucbarpa.Berkeley.EDU. Class {W} will be used to +store this list, and $W is defined to be ucbarpa.Berkeley.EDU, that +is, the name of the relay to which the hosts listed in uucp.ucbarpa +are connected. [The machine ucbarpa is gone now, but this +out-of-date configuration file has been left around to demonstrate +how you might do this.] + +Note that the case of SITECONFIG with a third parameter of ``U'' is +special; the second parameter is assumed to be the UUCP name of the +local site, rather than the name of a remote site, and the UUCP name +is entered into class {w} (the list of local hostnames) as $U.UUCP. + +The siteconfig file (e.g., siteconfig/uucp.ucbvax.m4) contains nothing +more than a sequence of SITE macros describing connectivity. For +example: + + SITE(`cnmat') + SITE(`sgi olympus') + +The second example demonstrates that you can use two names on the +same line; these are usually aliases for the same host (or are at +least in the same company). + +The macro LOCAL_UUCP can be used to add rules into the generated +cf file at the place where MAILER(`uucp') inserts its rules. This +should only be used if really necessary. + ++--------------------+ +| USING UUCP MAILERS | ++--------------------+ + +It's hard to get UUCP mailers right because of the extremely ad hoc +nature of UUCP addressing. These config files are really designed +for domain-based addressing, even for UUCP sites. + +There are four UUCP mailers available. The choice of which one to +use is partly a matter of local preferences and what is running at +the other end of your UUCP connection. Unlike good protocols that +define what will go over the wire, UUCP uses the policy that you +should do what is right for the other end; if they change, you have +to change. This makes it hard to do the right thing, and discourages +people from updating their software. In general, if you can avoid +UUCP, please do. + +The major choice is whether to go for a domainized scheme or a +non-domainized scheme. This depends entirely on what the other +end will recognize. If at all possible, you should encourage the +other end to go to a domain-based system -- non-domainized addresses +don't work entirely properly. + +The four mailers are: + + uucp-old (obsolete name: "uucp") + This is the oldest, the worst (but the closest to UUCP) way of + sending messages across UUCP connections. It does bangify + everything and prepends $U (your UUCP name) to the sender's + address (which can already be a bang path itself). It can + only send to one address at a time, so it spends a lot of + time copying duplicates of messages. Avoid this if at all + possible. + + uucp-new (obsolete name: "suucp") + The same as above, except that it assumes that in one rmail + command you can specify several recipients. It still has a + lot of other problems. + + uucp-dom + This UUCP mailer keeps everything as domain addresses. + Basically, it uses the SMTP mailer rewriting rules. This mailer + is only included if MAILER(`smtp') is specified before + MAILER(`uucp'). + + Unfortunately, a lot of UUCP mailer transport agents require + bangified addresses in the envelope, although you can use + domain-based addresses in the message header. (The envelope + shows up as the From_ line on UNIX mail.) So.... + + uucp-uudom + This is a cross between uucp-new (for the envelope addresses) + and uucp-dom (for the header addresses). It bangifies the + envelope sender (From_ line in messages) without adding the + local hostname, unless there is no host name on the address + at all (e.g., "wolf") or the host component is a UUCP host name + instead of a domain name ("somehost!wolf" instead of + "some.dom.ain!wolf"). This is also included only if MAILER(`smtp') + is also specified earlier. + +Examples: + +On host grasp.insa-lyon.fr (UUCP host name "grasp"), the following +summarizes the sender rewriting for various mailers. + +Mailer sender rewriting in the envelope +------ ------ ------------------------- +uucp-{old,new} wolf grasp!wolf +uucp-dom wolf wolf@grasp.insa-lyon.fr +uucp-uudom wolf grasp.insa-lyon.fr!wolf + +uucp-{old,new} wolf@fr.net grasp!fr.net!wolf +uucp-dom wolf@fr.net wolf@fr.net +uucp-uudom wolf@fr.net fr.net!wolf + +uucp-{old,new} somehost!wolf grasp!somehost!wolf +uucp-dom somehost!wolf somehost!wolf@grasp.insa-lyon.fr +uucp-uudom somehost!wolf grasp.insa-lyon.fr!somehost!wolf + +If you are using one of the domainized UUCP mailers, you really want +to convert all UUCP addresses to domain format -- otherwise, it will +do it for you (and probably not the way you expected). For example, +if you have the address foo!bar!baz (and you are not sending to foo), +the heuristics will add the @uucp.relay.name or @local.host.name to +this address. However, if you map foo to foo.host.name first, it +will not add the local hostname. You can do this using the uucpdomain +feature. + + ++-------------------+ +| TWEAKING RULESETS | ++-------------------+ + +For more complex configurations, you can define special rules. +The macro LOCAL_RULE_3 introduces rules that are used in canonicalizing +the names. Any modifications made here are reflected in the header. + +A common use is to convert old UUCP addresses to SMTP addresses using +the UUCPSMTP macro. For example: + + LOCAL_RULE_3 + UUCPSMTP(`decvax', `decvax.dec.com') + UUCPSMTP(`research', `research.att.com') + +will cause addresses of the form "decvax!user" and "research!user" +to be converted to "user@decvax.dec.com" and "user@research.att.com" +respectively. + +This could also be used to look up hosts in a database map: + + LOCAL_RULE_3 + R$* < @ $+ > $* $: $1 < @ $(hostmap $2 $) > $3 + +This map would be defined in the LOCAL_CONFIG portion, as shown below. + +Similarly, LOCAL_RULE_0 can be used to introduce new parsing rules. +For example, new rules are needed to parse hostnames that you accept +via MX records. For example, you might have: + + LOCAL_RULE_0 + R$+ <@ host.dom.ain.> $#uucp $@ cnmat $: $1 < @ host.dom.ain.> + +You would use this if you had installed an MX record for cnmat.Berkeley.EDU +pointing at this host; this rule catches the message and forwards it on +using UUCP. + +You can also tweak rulesets 1 and 2 using LOCAL_RULE_1 and LOCAL_RULE_2. +These rulesets are normally empty. + +A similar macro is LOCAL_CONFIG. This introduces lines added after the +boilerplate option setting but before rulesets. Do not declare rulesets in +the LOCAL_CONFIG section. It can be used to declare local database maps or +whatever. For example: + + LOCAL_CONFIG + Khostmap hash /etc/mail/hostmap + Kyplocal nis -m hosts.byname + + ++---------------------------+ +| MASQUERADING AND RELAYING | ++---------------------------+ + +You can have your host masquerade as another using + + MASQUERADE_AS(`host.domain') + +This causes mail being sent to be labeled as coming from the +indicated host.domain, rather than $j. One normally masquerades as +one of one's own subdomains (for example, it's unlikely that +Berkeley would choose to masquerade as an MIT site). This +behaviour is modified by a plethora of FEATUREs; in particular, see +masquerade_envelope, allmasquerade, limited_masquerade, and +masquerade_entire_domain. + +The masquerade name is not normally canonified, so it is important +that it be your One True Name, that is, fully qualified and not a +CNAME. However, if you use a CNAME, the receiving side may canonify +it for you, so don't think you can cheat CNAME mapping this way. + +Normally the only addresses that are masqueraded are those that come +from this host (that is, are either unqualified or in class {w}, the list +of local domain names). You can augment this list, which is realized +by class {M} using + + MASQUERADE_DOMAIN(`otherhost.domain') + +The effect of this is that although mail to user@otherhost.domain +will not be delivered locally, any mail including any user@otherhost.domain +will, when relayed, be rewritten to have the MASQUERADE_AS address. +This can be a space-separated list of names. + +If these names are in a file, you can use + + MASQUERADE_DOMAIN_FILE(`filename') + +to read the list of names from the indicated file (i.e., to add +elements to class {M}). + +To exempt hosts or subdomains from being masqueraded, you can use + + MASQUERADE_EXCEPTION(`host.domain') + +This can come handy if you want to masquerade a whole domain +except for one (or a few) host(s). If these names are in a file, +you can use + + MASQUERADE_EXCEPTION_FILE(`filename') + +Normally only header addresses are masqueraded. If you want to +masquerade the envelope as well, use + + FEATURE(`masquerade_envelope') + +There are always users that need to be "exposed" -- that is, their +internal site name should be displayed instead of the masquerade name. +Root is an example (which has been "exposed" by default prior to 8.10). +You can add users to this list using + + EXPOSED_USER(`usernames') + +This adds users to class {E}; you could also use + + EXPOSED_USER_FILE(`filename') + +You can also arrange to relay all unqualified names (that is, names +without @host) to a relay host. For example, if you have a central +email server, you might relay to that host so that users don't have +to have .forward files or aliases. You can do this using + + define(`LOCAL_RELAY', `mailer:hostname') + +The ``mailer:'' can be omitted, in which case the mailer defaults to +"relay". There are some user names that you don't want relayed, perhaps +because of local aliases. A common example is root, which may be +locally aliased. You can add entries to this list using + + LOCAL_USER(`usernames') + +This adds users to class {L}; you could also use + + LOCAL_USER_FILE(`filename') + +If you want all incoming mail sent to a centralized hub, as for a +shared /var/spool/mail scheme, use + + define(`MAIL_HUB', `mailer:hostname') + +Again, ``mailer:'' defaults to "relay". If you define both LOCAL_RELAY +and MAIL_HUB _AND_ you have FEATURE(`stickyhost'), unqualified names will +be sent to the LOCAL_RELAY and other local names will be sent to MAIL_HUB. +Note: there is a (long standing) bug which keeps this combination from +working for addresses of the form user+detail. +Names in class {L} will be delivered locally, so you MUST have aliases or +.forward files for them. + +For example, if you are on machine mastodon.CS.Berkeley.EDU and you have +FEATURE(`stickyhost'), the following combinations of settings will have the +indicated effects: + +email sent to.... eric eric@mastodon.CS.Berkeley.EDU + +LOCAL_RELAY set to mail.CS.Berkeley.EDU (delivered locally) +mail.CS.Berkeley.EDU (no local aliasing) (aliasing done) + +MAIL_HUB set to mammoth.CS.Berkeley.EDU mammoth.CS.Berkeley.EDU +mammoth.CS.Berkeley.EDU (aliasing done) (aliasing done) + +Both LOCAL_RELAY and mail.CS.Berkeley.EDU mammoth.CS.Berkeley.EDU +MAIL_HUB set as above (no local aliasing) (aliasing done) + +If you do not have FEATURE(`stickyhost') set, then LOCAL_RELAY and +MAIL_HUB act identically, with MAIL_HUB taking precedence. + +If you want all outgoing mail to go to a central relay site, define +SMART_HOST as well. Briefly: + + LOCAL_RELAY applies to unqualified names (e.g., "eric"). + MAIL_HUB applies to names qualified with the name of the + local host (e.g., "eric@mastodon.CS.Berkeley.EDU"). + SMART_HOST applies to names qualified with other hosts or + bracketed addresses (e.g., "eric@mastodon.CS.Berkeley.EDU" + or "eric@[127.0.0.1]"). + +However, beware that other relays (e.g., UUCP_RELAY, BITNET_RELAY, +DECNET_RELAY, and FAX_RELAY) take precedence over SMART_HOST, so if you +really want absolutely everything to go to a single central site you will +need to unset all the other relays -- or better yet, find or build a +minimal config file that does this. + +For duplicate suppression to work properly, the host name is best +specified with a terminal dot: + + define(`MAIL_HUB', `host.domain.') + note the trailing dot ---^ + + ++-------------------------------------------+ +| USING LDAP FOR ALIASES, MAPS, AND CLASSES | ++-------------------------------------------+ + +LDAP can be used for aliases, maps, and classes by either specifying your +own LDAP map specification or using the built-in default LDAP map +specification. The built-in default specifications all provide lookups +which match against either the machine's fully qualified hostname (${j}) or +a "cluster". The cluster allows you to share LDAP entries among a large +number of machines without having to enter each of the machine names into +each LDAP entry. To set the LDAP cluster name to use for a particular +machine or set of machines, set the confLDAP_CLUSTER m4 variable to a +unique name. For example: + + define(`confLDAP_CLUSTER', `Servers') + +Here, the word `Servers' will be the cluster name. As an example, assume +that smtp.sendmail.org, etrn.sendmail.org, and mx.sendmail.org all belong +to the Servers cluster. + +Some of the LDAP LDIF examples below show use of the Servers cluster. +Every entry must have either a sendmailMTAHost or sendmailMTACluster +attribute or it will be ignored. Be careful as mixing clusters and +individual host records can have surprising results (see the CAUTION +sections below). + +See the file cf/sendmail.schema for the actual LDAP schemas. Note that +this schema (and therefore the lookups and examples below) is experimental +at this point as it has had little public review. Therefore, it may change +in future versions. Feedback via sendmail@sendmail.org is encouraged. + +------- +Aliases +------- + +The ALIAS_FILE (O AliasFile) option can be set to use LDAP for alias +lookups. To use the default schema, simply use: + + define(`ALIAS_FILE', `ldap:') + +By doing so, you will use the default schema which expands to a map +declared as follows: + + ldap -k (&(objectClass=sendmailMTAAliasObject) + (sendmailMTAAliasGrouping=aliases) + (|(sendmailMTACluster=${sendmailMTACluster}) + (sendmailMTAHost=$j)) + (sendmailMTAKey=%0)) + -v sendmailMTAAliasValue,sendmailMTAAliasSearch:FILTER:sendmailMTAAliasObject,sendmailMTAAliasURL:URL:sendmailMTAAliasObject + + +NOTE: The macros shown above ${sendmailMTACluster} and $j are not actually +used when the binary expands the `ldap:' token as the AliasFile option is +not actually macro-expanded when read from the sendmail.cf file. + +Example LDAP LDIF entries might be: + + dn: sendmailMTAKey=sendmail-list, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAAlias + objectClass: sendmailMTAAliasObject + sendmailMTAAliasGrouping: aliases + sendmailMTAHost: etrn.sendmail.org + sendmailMTAKey: sendmail-list + sendmailMTAAliasValue: ca@example.org + sendmailMTAAliasValue: eric + sendmailMTAAliasValue: gshapiro@example.com + + dn: sendmailMTAKey=owner-sendmail-list, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAAlias + objectClass: sendmailMTAAliasObject + sendmailMTAAliasGrouping: aliases + sendmailMTAHost: etrn.sendmail.org + sendmailMTAKey: owner-sendmail-list + sendmailMTAAliasValue: eric + + dn: sendmailMTAKey=postmaster, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAAlias + objectClass: sendmailMTAAliasObject + sendmailMTAAliasGrouping: aliases + sendmailMTACluster: Servers + sendmailMTAKey: postmaster + sendmailMTAAliasValue: eric + +Here, the aliases sendmail-list and owner-sendmail-list will be available +only on etrn.sendmail.org but the postmaster alias will be available on +every machine in the Servers cluster (including etrn.sendmail.org). + +CAUTION: aliases are additive so that entries like these: + + dn: sendmailMTAKey=bob, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAAlias + objectClass: sendmailMTAAliasObject + sendmailMTAAliasGrouping: aliases + sendmailMTACluster: Servers + sendmailMTAKey: bob + sendmailMTAAliasValue: eric + + dn: sendmailMTAKey=bobetrn, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAAlias + objectClass: sendmailMTAAliasObject + sendmailMTAAliasGrouping: aliases + sendmailMTAHost: etrn.sendmail.org + sendmailMTAKey: bob + sendmailMTAAliasValue: gshapiro + +would mean that on all of the hosts in the cluster, mail to bob would go to +eric EXCEPT on etrn.sendmail.org in which case it would go to BOTH eric and +gshapiro. + +If you prefer not to use the default LDAP schema for your aliases, you can +specify the map parameters when setting ALIAS_FILE. For example: + + define(`ALIAS_FILE', `ldap:-k (&(objectClass=mailGroup)(mail=%0)) -v mgrpRFC822MailMember') + +---- +Maps +---- + +FEATURE()'s which take an optional map definition argument (e.g., access, +mailertable, virtusertable, etc.) can instead take the special keyword +`LDAP', e.g.: + + FEATURE(`access_db', `LDAP') + FEATURE(`virtusertable', `LDAP') + +When this keyword is given, that map will use LDAP lookups consisting of +the objectClass sendmailMTAClassObject, the attribute sendmailMTAMapName +with the map name, a search attribute of sendmailMTAKey, and the value +attribute sendmailMTAMapValue. + +The values for sendmailMTAMapName are: + + FEATURE() sendmailMTAMapName + --------- ------------------ + access_db access + authinfo authinfo + bitdomain bitdomain + domaintable domain + genericstable generics + mailertable mailer + uucpdomain uucpdomain + virtusertable virtuser + +For example, FEATURE(`mailertable', `LDAP') would use the map definition: + + Kmailertable ldap -k (&(objectClass=sendmailMTAMapObject) + (sendmailMTAMapName=mailer) + (|(sendmailMTACluster=${sendmailMTACluster}) + (sendmailMTAHost=$j)) + (sendmailMTAKey=%0)) + -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject + +An example LDAP LDIF entry using this map might be: + + dn: sendmailMTAMapName=mailer, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAMap + sendmailMTACluster: Servers + sendmailMTAMapName: mailer + + dn: sendmailMTAKey=example.com, sendmailMTAMapName=mailer, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAMap + objectClass: sendmailMTAMapObject + sendmailMTAMapName: mailer + sendmailMTACluster: Servers + sendmailMTAKey: example.com + sendmailMTAMapValue: relay:[smtp.example.com] + +CAUTION: If your LDAP database contains the record above and *ALSO* a host +specific record such as: + + dn: sendmailMTAKey=example.com@etrn, sendmailMTAMapName=mailer, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAMap + objectClass: sendmailMTAMapObject + sendmailMTAMapName: mailer + sendmailMTAHost: etrn.sendmail.org + sendmailMTAKey: example.com + sendmailMTAMapValue: relay:[mx.example.com] + +then these entries will give unexpected results. When the lookup is done +on etrn.sendmail.org, the effect is that there is *NO* match at all as maps +require a single match. Since the host etrn.sendmail.org is also in the +Servers cluster, LDAP would return two answers for the example.com map key +in which case sendmail would treat this as no match at all. + +If you prefer not to use the default LDAP schema for your maps, you can +specify the map parameters when using the FEATURE(). For example: + + FEATURE(`access_db', `ldap:-1 -k (&(objectClass=mapDatabase)(key=%0)) -v value') + +------- +Classes +------- + +Normally, classes can be filled via files or programs. As of 8.12, they +can also be filled via map lookups using a new syntax: + + F{ClassName}mapkey@mapclass:mapspec + +mapkey is optional and if not provided the map key will be empty. This can +be used with LDAP to read classes from LDAP. Note that the lookup is only +done when sendmail is initially started. Use the special value `@LDAP' to +use the default LDAP schema. For example: + + RELAY_DOMAIN_FILE(`@LDAP') + +would put all of the attribute sendmailMTAClassValue values of LDAP records +with objectClass sendmailMTAClass and an attribute sendmailMTAClassName of +'R' into class $={R}. In other words, it is equivalent to the LDAP map +specification: + + F{R}@ldap:-k (&(objectClass=sendmailMTAClass) + (sendmailMTAClassName=R) + (|(sendmailMTACluster=${sendmailMTACluster}) + (sendmailMTAHost=$j))) + -v sendmailMTAClassValue,sendmailMTAClassSearch:FILTER:sendmailMTAClass,sendmailMTAClassURL:URL:sendmailMTAClass + +NOTE: The macros shown above ${sendmailMTACluster} and $j are not actually +used when the binary expands the `@LDAP' token as class declarations are +not actually macro-expanded when read from the sendmail.cf file. + +This can be used with class related commands such as RELAY_DOMAIN_FILE(), +MASQUERADE_DOMAIN_FILE(), etc: + + Command sendmailMTAClassName + ------- -------------------- + CANONIFY_DOMAIN_FILE() Canonify + EXPOSED_USER_FILE() E + GENERICS_DOMAIN_FILE() G + LDAPROUTE_DOMAIN_FILE() LDAPRoute + LDAPROUTE_EQUIVALENT_FILE() LDAPRouteEquiv + LOCAL_USER_FILE() L + MASQUERADE_DOMAIN_FILE() M + MASQUERADE_EXCEPTION_FILE() N + RELAY_DOMAIN_FILE() R + VIRTUSER_DOMAIN_FILE() VirtHost + +You can also add your own as any 'F'ile class of the form: + + F{ClassName}@LDAP + ^^^^^^^^^ +will use "ClassName" for the sendmailMTAClassName. + +An example LDAP LDIF entry would look like: + + dn: sendmailMTAClassName=R, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAClass + sendmailMTACluster: Servers + sendmailMTAClassName: R + sendmailMTAClassValue: sendmail.org + sendmailMTAClassValue: example.com + sendmailMTAClassValue: 10.56.23 + +CAUTION: If your LDAP database contains the record above and *ALSO* a host +specific record such as: + + dn: sendmailMTAClassName=R@etrn.sendmail.org, dc=sendmail, dc=org + objectClass: sendmailMTA + objectClass: sendmailMTAClass + sendmailMTAHost: etrn.sendmail.org + sendmailMTAClassName: R + sendmailMTAClassValue: example.com + +the result will be similar to the aliases caution above. When the lookup +is done on etrn.sendmail.org, $={R} would contain all of the entries (from +both the cluster match and the host match). In other words, the effective +is additive. + +If you prefer not to use the default LDAP schema for your classes, you can +specify the map parameters when using the class command. For example: + + VIRTUSER_DOMAIN_FILE(`@ldap:-k (&(objectClass=virtHosts)(host=*)) -v host') + +Remember, macros can not be used in a class declaration as the binary does +not expand them. + + ++--------------+ +| LDAP ROUTING | ++--------------+ + +FEATURE(`ldap_routing') can be used to implement the IETF Internet Draft +LDAP Schema for Intranet Mail Routing +(draft-lachman-laser-ldap-mail-routing-01). This feature enables +LDAP-based rerouting of a particular address to either a different host +or a different address. The LDAP lookup is first attempted on the full +address (e.g., user@example.com) and then on the domain portion +(e.g., @example.com). Be sure to setup your domain for LDAP routing using +LDAPROUTE_DOMAIN(), e.g.: + + LDAPROUTE_DOMAIN(`example.com') + +Additionally, you can specify equivalent domains for LDAP routing using +LDAPROUTE_EQUIVALENT() and LDAPROUTE_EQUIVALENT_FILE(). 'Equivalent' +hostnames are mapped to $M (the masqueraded hostname for the server) before +the LDAP query. For example, if the mail is addressed to +user@host1.example.com, normally the LDAP lookup would only be done for +'user@host1.example.com' and '@host1.example.com'. However, if +LDAPROUTE_EQUIVALENT(`host1.example.com') is used, the lookups would also be +done on 'user@example.com' and '@example.com' after attempting the +host1.example.com lookups. + +By default, the feature will use the schemas as specified in the draft +and will not reject addresses not found by the LDAP lookup. However, +this behavior can be changed by giving additional arguments to the FEATURE() +command: + + FEATURE(`ldap_routing', , , , + , , ) + +where is a map definition describing how to lookup an alternative +mail host for a particular address; is a map definition +describing how to lookup an alternative address for a particular address; +the argument, if present and not the word "passthru", dictates +that mail should be bounced if neither a mailHost nor mailRoutingAddress +is found, if set to "sendertoo", the sender will be rejected if not +found in LDAP; and indicates what actions to take if the address +contains +detail information -- `strip' tries the lookup with the +detail +and if no matches are found, strips the +detail and tries the lookup again; +`preserve', does the same as `strip' but if a mailRoutingAddress match is +found, the +detail information is copied to the new address; the +argument, if present, will prevent the @domain lookup if the full +address is not found in LDAP; the argument, if set to +"tempfail", instructs the rules to give an SMTP 4XX temporary +error if the LDAP server gives the MTA a temporary failure, or if set to +"queue" (the default), the MTA will locally queue the mail. + +The default map definition is: + + ldap -1 -T -v mailHost -k (&(objectClass=inetLocalMailRecipient) + (mailLocalAddress=%0)) + +The default map definition is: + + ldap -1 -T -v mailRoutingAddress + -k (&(objectClass=inetLocalMailRecipient) + (mailLocalAddress=%0)) + +Note that neither includes the LDAP server hostname (-h server) or base DN +(-b o=org,c=COUNTRY), both necessary for LDAP queries. It is presumed that +your .mc file contains a setting for the confLDAP_DEFAULT_SPEC option with +these settings. If this is not the case, the map definitions should be +changed as described above. The "-T" is required in any user +specified map definition to catch temporary errors. + +The following possibilities exist as a result of an LDAP lookup on an +address: + + mailHost is mailRoutingAddress is Results in + ----------- --------------------- ---------- + set to a set mail delivered to + "local" host mailRoutingAddress + + set to a not set delivered to + "local" host original address + + set to a set mailRoutingAddress + remote host relayed to mailHost + + set to a not set original address + remote host relayed to mailHost + + not set set mail delivered to + mailRoutingAddress + + not set not set delivered to + original address *OR* + bounced as unknown user + +The term "local" host above means the host specified is in class {w}. If +the result would mean sending the mail to a different host, that host is +looked up in the mailertable before delivery. + +Note that the last case depends on whether the third argument is given +to the FEATURE() command. The default is to deliver the message to the +original address. + +The LDAP entries should be set up with an objectClass of +inetLocalMailRecipient and the address be listed in a mailLocalAddress +attribute. If present, there must be only one mailHost attribute and it +must contain a fully qualified host name as its value. Similarly, if +present, there must be only one mailRoutingAddress attribute and it must +contain an RFC 822 compliant address. Some example LDAP records (in LDIF +format): + + dn: uid=tom, o=example.com, c=US + objectClass: inetLocalMailRecipient + mailLocalAddress: tom@example.com + mailRoutingAddress: thomas@mailhost.example.com + +This would deliver mail for tom@example.com to thomas@mailhost.example.com. + + dn: uid=dick, o=example.com, c=US + objectClass: inetLocalMailRecipient + mailLocalAddress: dick@example.com + mailHost: eng.example.com + +This would relay mail for dick@example.com to the same address but redirect +the mail to MX records listed for the host eng.example.com (unless the +mailertable overrides). + + dn: uid=harry, o=example.com, c=US + objectClass: inetLocalMailRecipient + mailLocalAddress: harry@example.com + mailHost: mktmail.example.com + mailRoutingAddress: harry@mkt.example.com + +This would relay mail for harry@example.com to the MX records listed for +the host mktmail.example.com using the new address harry@mkt.example.com +when talking to that host. + + dn: uid=virtual.example.com, o=example.com, c=US + objectClass: inetLocalMailRecipient + mailLocalAddress: @virtual.example.com + mailHost: server.example.com + mailRoutingAddress: virtual@example.com + +This would send all mail destined for any username @virtual.example.com to +the machine server.example.com's MX servers and deliver to the address +virtual@example.com on that relay machine. + + ++---------------------------------+ +| ANTI-SPAM CONFIGURATION CONTROL | ++---------------------------------+ + +The primary anti-spam features available in sendmail are: + +* Relaying is denied by default. +* Better checking on sender information. +* Access database. +* Header checks. + +Relaying (transmission of messages from a site outside your host (class +{w}) to another site except yours) is denied by default. Note that this +changed in sendmail 8.9; previous versions allowed relaying by default. +If you really want to revert to the old behaviour, you will need to use +FEATURE(`promiscuous_relay'). You can allow certain domains to relay +through your server by adding their domain name or IP address to class +{R} using RELAY_DOMAIN() and RELAY_DOMAIN_FILE() or via the access database +(described below). Note that IPv6 addresses must be prefaced with "IPv6:". +The file consists (like any other file based class) of entries listed on +separate lines, e.g., + + sendmail.org + 128.32 + IPv6:2002:c0a8:02c7 + IPv6:2002:c0a8:51d2::23f4 + host.mydomain.com + [UNIX:localhost] + +Notice: the last entry allows relaying for connections via a UNIX +socket to the MTA/MSP. This might be necessary if your configuration +doesn't allow relaying by other means in that case, e.g., by having +localhost.$m in class {R} (make sure $m is not just a top level +domain). + +If you use + + FEATURE(`relay_entire_domain') + +then any host in any of your local domains (that is, class {m}) +will be relayed (that is, you will accept mail either to or from any +host in your domain). + +You can also allow relaying based on the MX records of the host +portion of an incoming recipient address by using + + FEATURE(`relay_based_on_MX') + +For example, if your server receives a recipient of user@domain.com +and domain.com lists your server in its MX records, the mail will be +accepted for relay to domain.com. This feature may cause problems +if MX lookups for the recipient domain are slow or time out. In that +case, mail will be temporarily rejected. It is usually better to +maintain a list of hosts/domains for which the server acts as relay. +Note also that this feature will stop spammers from using your host +to relay spam but it will not stop outsiders from using your server +as a relay for their site (that is, they set up an MX record pointing +to your mail server, and you will relay mail addressed to them +without any prior arrangement). Along the same lines, + + FEATURE(`relay_local_from') + +will allow relaying if the sender specifies a return path (i.e. +MAIL FROM: ) domain which is a local domain. This is a +dangerous feature as it will allow spammers to spam using your mail +server by simply specifying a return address of user@your.domain.com. +It should not be used unless absolutely necessary. +A slightly better solution is + + FEATURE(`relay_mail_from') + +which allows relaying if the mail sender is listed as RELAY in the +access map. If an optional argument `domain' (this is the literal +word `domain', not a placeholder) is given, the domain portion of +the mail sender is also checked to allowing relaying. This option +only works together with the tag From: for the LHS of the access +map entries. This feature allows spammers to abuse your mail server +by specifying a return address that you enabled in your access file. +This may be harder to figure out for spammers, but it should not +be used unless necessary. Instead use SMTP AUTH or STARTTLS to +allow relaying for roaming users. + + +If source routing is used in the recipient address (e.g., +RCPT TO: ), sendmail will check +user@site.com for relaying if othersite.com is an allowed relay host +in either class {R}, class {m} if FEATURE(`relay_entire_domain') is used, +or the access database if FEATURE(`access_db') is used. To prevent +the address from being stripped down, use: + + FEATURE(`loose_relay_check') + +If you think you need to use this feature, you probably do not. This +should only be used for sites which have no control over the addresses +that they provide a gateway for. Use this FEATURE with caution as it +can allow spammers to relay through your server if not setup properly. + +NOTICE: It is possible to relay mail through a system which the anti-relay +rules do not prevent: the case of a system that does use FEATURE(`nouucp', +`nospecial') (system A) and relays local messages to a mail hub (e.g., via +LOCAL_RELAY or LUSER_RELAY) (system B). If system B doesn't use +FEATURE(`nouucp') at all, addresses of the form + would be relayed to . +System A doesn't recognize `!' as an address separator and therefore +forwards it to the mail hub which in turns relays it because it came from +a trusted local host. So if a mailserver allows UUCP (bang-format) +addresses, all systems from which it allows relaying should do the same +or reject those addresses. + +As of 8.9, sendmail will refuse mail if the MAIL FROM: parameter has +an unresolvable domain (i.e., one that DNS, your local name service, +or special case rules in ruleset 3 cannot locate). This also applies +to addresses that use domain literals, e.g., , if the +IP address can't be mapped to a host name. If you want to continue +to accept such domains, e.g., because you are inside a firewall that +has only a limited view of the Internet host name space (note that you +will not be able to return mail to them unless you have some "smart +host" forwarder), use + + FEATURE(`accept_unresolvable_domains') + +Alternatively, you can allow specific addresses by adding them to +the access map, e.g., + + From:unresolvable.domain OK + From:[1.2.3.4] OK + From:[1.2.4] OK + +Notice: domains which are temporarily unresolvable are (temporarily) +rejected with a 451 reply code. If those domains should be accepted +(which is discouraged) then you can use + + LOCAL_CONFIG + C{ResOk}TEMP + +sendmail will also refuse mail if the MAIL FROM: parameter is not +fully qualified (i.e., contains a domain as well as a user). If you +want to continue to accept such senders, use + + FEATURE(`accept_unqualified_senders') + +Setting the DaemonPortOptions modifier 'u' overrides the default behavior, +i.e., unqualified addresses are accepted even without this FEATURE. If +this FEATURE is not used, the DaemonPortOptions modifier 'f' can be used +to enforce fully qualified domain names. + +An ``access'' database can be created to accept or reject mail from +selected domains. For example, you may choose to reject all mail +originating from known spammers. To enable such a database, use + + FEATURE(`access_db') + +Notice: the access database is applied to the envelope addresses +and the connection information, not to the header. + +The FEATURE macro can accept as second parameter the key file +definition for the database; for example + + FEATURE(`access_db', `hash -T /etc/mail/access_map') + +Notice: If a second argument is specified it must contain the option +`-T' as shown above. The optional third and fourth parameters +may be `skip' or `lookupdotdomain'. The former enables SKIP as +value part (see below), the latter is another way to enable the +feature of the same name (see above). + +Remember, since /etc/mail/access is a database, after creating the text +file as described below, you must use makemap to create the database +map. For example: + + makemap hash /etc/mail/access < /etc/mail/access + +The table itself uses e-mail addresses, domain names, and network +numbers as keys. Note that IPv6 addresses must be prefaced with "IPv6:". +For example, + + From:spammer@aol.com REJECT + From:cyberspammer.com REJECT + Connect:cyberspammer.com REJECT + Connect:TLD REJECT + Connect:192.168.212 REJECT + Connect:IPv6:2002:c0a8:02c7 RELAY + Connect:IPv6:2002:c0a8:51d2::23f4 REJECT + +would refuse mail from spammer@aol.com, any user from cyberspammer.com +(or any host within the cyberspammer.com domain), any host in the entire +top level domain TLD, 192.168.212.* network, and the IPv6 address +2002:c0a8:51d2::23f4. It would allow relay for the IPv6 network +2002:c0a8:02c7::/48. + +Entries in the access map should be tagged according to their type. +Three tags are available: + + Connect: connection information (${client_addr}, ${client_name}) + From: envelope sender + To: envelope recipient + +Notice: untagged entries are deprecated. + +If the required item is looked up in a map, it will be tried first +with the corresponding tag in front, then (as fallback to enable +backward compatibility) without any tag, unless the specific feature +requires a tag. For example, + + From:spammer@some.dom REJECT + To:friend.domain RELAY + Connect:friend.domain OK + Connect:from.domain RELAY + From:good@another.dom OK + From:another.dom REJECT + +This would deny mails from spammer@some.dom but you could still +send mail to that address even if FEATURE(`blacklist_recipients') +is enabled. Your system will allow relaying to friend.domain, but +not from it (unless enabled by other means). Connections from that +domain will be allowed even if it ends up in one of the DNS based +rejection lists. Relaying is enabled from from.domain but not to +it (since relaying is based on the connection information for +outgoing relaying, the tag Connect: must be used; for incoming +relaying, which is based on the recipient address, To: must be +used). The last two entries allow mails from good@another.dom but +reject mail from all other addresses with another.dom as domain +part. + + +The value part of the map can contain: + + OK Accept mail even if other rules in the running + ruleset would reject it, for example, if the domain + name is unresolvable. "Accept" does not mean + "relay", but at most acceptance for local + recipients. That is, OK allows less than RELAY. + RELAY Accept mail addressed to the indicated domain or + received from the indicated domain for relaying + through your SMTP server. RELAY also serves as + an implicit OK for the other checks. + REJECT Reject the sender or recipient with a general + purpose message. + DISCARD Discard the message completely using the + $#discard mailer. If it is used in check_compat, + it affects only the designated recipient, not + the whole message as it does in all other cases. + This should only be used if really necessary. + SKIP This can only be used for host/domain names + and IP addresses/nets. It will abort the current + search for this entry without accepting or rejecting + it but causing the default action. + ### any text where ### is an RFC 821 compliant error code and + "any text" is a message to return for the command. + The string should be quoted to avoid surprises, + e.g., sendmail may remove spaces otherwise. + This type is deprecated, use one of the two + ERROR: entries below instead. + ERROR:### any text + as above, but useful to mark error messages as such. + ERROR:D.S.N:### any text + where D.S.N is an RFC 1893 compliant error code + and the rest as above. + QUARANTINE:any text + Quarantine the message using the given text as the + quarantining reason. + +For example: + + From:cyberspammer.com ERROR:"550 We don't accept mail from spammers" + From:okay.cyberspammer.com OK + Connect:sendmail.org RELAY + To:sendmail.org RELAY + Connect:128.32 RELAY + Connect:128.32.2 SKIP + Connect:IPv6:1:2:3:4:5:6:7 RELAY + Connect:suspicious.example.com QUARANTINE:Mail from suspicious host + Connect:[127.0.0.3] OK + Connect:[IPv6:1:2:3:4:5:6:7:8] OK + +would accept mail from okay.cyberspammer.com, but would reject mail +from all other hosts at cyberspammer.com with the indicated message. +It would allow relaying mail from and to any hosts in the sendmail.org +domain, and allow relaying from the IPv6 1:2:3:4:5:6:7:* network +and from the 128.32.*.* network except for the 128.32.2.* network, +which shows how SKIP is useful to exempt subnets/subdomains. The +last two entries are for checks against ${client_name} if the IP +address doesn't resolve to a hostname (or is considered as "may be +forged"). That is, using square brackets means these are host +names, not network numbers. + +Warning: if you change the RFC 821 compliant error code from the default +value of 550, then you should probably also change the RFC 1893 compliant +error code to match it. For example, if you use + + To:user@example.com ERROR:450 mailbox full + +the error returned would be "450 5.0.0 mailbox full" which is wrong. +Use "ERROR:4.2.2:450 mailbox full" instead. + +Note, UUCP users may need to add hostname.UUCP to the access database +or class {R}. + +If you also use: + + FEATURE(`relay_hosts_only') + +then the above example will allow relaying for sendmail.org, but not +hosts within the sendmail.org domain. Note that this will also require +hosts listed in class {R} to be fully qualified host names. + +You can also use the access database to block sender addresses based on +the username portion of the address. For example: + + From:FREE.STEALTH.MAILER@ ERROR:550 Spam not accepted + +Note that you must include the @ after the username to signify that +this database entry is for checking only the username portion of the +sender address. + +If you use: + + FEATURE(`blacklist_recipients') + +then you can add entries to the map for local users, hosts in your +domains, or addresses in your domain which should not receive mail: + + To:badlocaluser@ ERROR:550 Mailbox disabled for badlocaluser + To:host.my.TLD ERROR:550 That host does not accept mail + To:user@other.my.TLD ERROR:550 Mailbox disabled for this recipient + +This would prevent a recipient of badlocaluser in any of the local +domains (class {w}), any user at host.my.TLD, and the single address +user@other.my.TLD from receiving mail. Please note: a local username +must be now tagged with an @ (this is consistent with the check of +the sender address, and hence it is possible to distinguish between +hostnames and usernames). Enabling this feature will keep you from +sending mails to all addresses that have an error message or REJECT +as value part in the access map. Taking the example from above: + + spammer@aol.com REJECT + cyberspammer.com REJECT + +Mail can't be sent to spammer@aol.com or anyone at cyberspammer.com. +That's why tagged entries should be used. + +There are several DNS based blacklists, the first of which was +the RBL (``Realtime Blackhole List'') run by the MAPS project, +see http://mail-abuse.org/. These are databases of spammers +maintained in DNS. To use such a database, specify + + FEATURE(`dnsbl') + +This will cause sendmail to reject mail from any site in the original +Realtime Blackhole List database. This default DNS blacklist, +blackholes.mail-abuse.org, is a service offered by the Mail Abuse +Prevention System (MAPS). As of July 31, 2001, MAPS is a subscription +service, so using that network address won't work if you haven't +subscribed. Contact MAPS to subscribe (http://mail-abuse.org/). + +You can specify an alternative RBL server to check by specifying an +argument to the FEATURE. The default error message is + + Rejected: IP-ADDRESS listed at SERVER + +where IP-ADDRESS and SERVER are replaced by the appropriate +information. A second argument can be used to specify a different +text. By default, temporary lookup failures are ignored and hence +cause the connection not to be rejected by the DNS based rejection +list. This behavior can be changed by specifying a third argument, +which must be either `t' or a full error message. For example: + + FEATURE(`dnsbl', `dnsbl.example.com', `', + `"451 Temporary lookup failure for " $&{client_addr} " in dnsbl.example.com"') + +If `t' is used, the error message is: + + 451 Temporary lookup failure of IP-ADDRESS at SERVER + +where IP-ADDRESS and SERVER are replaced by the appropriate +information. + +This FEATURE can be included several times to query different +DNS based rejection lists, e.g., the dial-up user list (see +http://mail-abuse.org/dul/). + +Notice: to avoid checking your own local domains against those +blacklists, use the access_db feature and add: + + Connect:10.1 OK + Connect:127.0.0.1 RELAY + +to the access map, where 10.1 is your local network. You may +want to use "RELAY" instead of "OK" to allow also relaying +instead of just disabling the DNS lookups in the blacklists. + + +The features described above make use of the check_relay, check_mail, +and check_rcpt rulesets. Note that check_relay checks the SMTP +client hostname and IP address when the connection is made to your +server. It does not check if a mail message is being relayed to +another server. That check is done in check_rcpt. If you wish to +include your own checks, you can put your checks in the rulesets +Local_check_relay, Local_check_mail, and Local_check_rcpt. For +example if you wanted to block senders with all numeric usernames +(i.e. 2312343@bigisp.com), you would use Local_check_mail and the +regex map: + + LOCAL_CONFIG + Kallnumbers regex -a@MATCH ^[0-9]+$ + + LOCAL_RULESETS + SLocal_check_mail + # check address against various regex checks + R$* $: $>Parse0 $>3 $1 + R$+ < @ bigisp.com. > $* $: $(allnumbers $1 $) + R@MATCH $#error $: 553 Header Error + +These rules are called with the original arguments of the corresponding +check_* ruleset. If the local ruleset returns $#OK, no further checking +is done by the features described above and the mail is accepted. If +the local ruleset resolves to a mailer (such as $#error or $#discard), +the appropriate action is taken. Other results starting with $# are +interpreted by sendmail and may lead to unspecified behavior. Note: do +NOT create a mailer with the name OK. Return values that do not start +with $# are ignored, i.e., normal processing continues. + +Delay all checks +---------------- + +By using FEATURE(`delay_checks') the rulesets check_mail and check_relay +will not be called when a client connects or issues a MAIL command, +respectively. Instead, those rulesets will be called by the check_rcpt +ruleset; they will be skipped if a sender has been authenticated using +a "trusted" mechanism, i.e., one that is defined via TRUST_AUTH_MECH(). +If check_mail returns an error then the RCPT TO command will be rejected +with that error. If it returns some other result starting with $# then +check_relay will be skipped. If the sender address (or a part of it) is +listed in the access map and it has a RHS of OK or RELAY, then check_relay +will be skipped. This has an interesting side effect: if your domain is +my.domain and you have + + my.domain RELAY + +in the access map, then any e-mail with a sender address of + will not be rejected by check_relay even though +it would match the hostname or IP address. This allows spammers +to get around DNS based blacklist by faking the sender address. To +avoid this problem you have to use tagged entries: + + To:my.domain RELAY + Connect:my.domain RELAY + +if you need those entries at all (class {R} may take care of them). + +FEATURE(`delay_checks') can take an optional argument: + + FEATURE(`delay_checks', `friend') + enables spamfriend test + FEATURE(`delay_checks', `hater') + enables spamhater test + +If such an argument is given, the recipient will be looked up in the +access map (using the tag Spam:). If the argument is `friend', then +the default behavior is to apply the other rulesets and make a SPAM +friend the exception. The rulesets check_mail and check_relay will be +skipped only if the recipient address is found and has RHS FRIEND. If +the argument is `hater', then the default behavior is to skip the rulesets +check_mail and check_relay and make a SPAM hater the exception. The +other two rulesets will be applied only if the recipient address is +found and has RHS HATER. + +This allows for simple exceptions from the tests, e.g., by activating +the friend option and having + + Spam:abuse@ FRIEND + +in the access map, mail to abuse@localdomain will get through (where +"localdomain" is any domain in class {w}). It is also possible to +specify a full address or an address with +detail: + + Spam:abuse@my.domain FRIEND + Spam:me+abuse@ FRIEND + Spam:spam.domain FRIEND + +Note: The required tag has been changed in 8.12 from To: to Spam:. +This change is incompatible to previous versions. However, you can +(for now) simply add the new entries to the access map, the old +ones will be ignored. As soon as you removed the old entries from +the access map, specify a third parameter (`n') to this feature and +the backward compatibility rules will not be in the generated .cf +file. + +Header Checks +------------- + +You can also reject mail on the basis of the contents of headers. +This is done by adding a ruleset call to the 'H' header definition command +in sendmail.cf. For example, this can be used to check the validity of +a Message-ID: header: + + LOCAL_CONFIG + HMessage-Id: $>CheckMessageId + + LOCAL_RULESETS + SCheckMessageId + R< $+ @ $+ > $@ OK + R$* $#error $: 553 Header Error + +The alternative format: + + HSubject: $>+CheckSubject + +that is, $>+ instead of $>, gives the full Subject: header including +comments to the ruleset (comments in parentheses () are stripped +by default). + +A default ruleset for headers which don't have a specific ruleset +defined for them can be given by: + + H*: $>CheckHdr + +Notice: +1. All rules act on tokens as explained in doc/op/op.{me,ps,txt}. +That may cause problems with simple header checks due to the +tokenization. It might be simpler to use a regex map and apply it +to $&{currHeader}. +2. There are no default rulesets coming with this distribution of +sendmail. You can either write your own or you can search the +WWW for examples, e.g., http://www.digitalanswers.org/check_local/ +3. When using a default ruleset for headers, the name of the header +currently being checked can be found in the $&{hdr_name} macro. + +After all of the headers are read, the check_eoh ruleset will be called for +any final header-related checks. The ruleset is called with the number of +headers and the size of all of the headers in bytes separated by $|. One +example usage is to reject messages which do not have a Message-Id: +header. However, the Message-Id: header is *NOT* a required header and is +not a guaranteed spam indicator. This ruleset is an example and should +probably not be used in production. + + LOCAL_CONFIG + Kstorage macro + HMessage-Id: $>CheckMessageId + + LOCAL_RULESETS + SCheckMessageId + # Record the presence of the header + R$* $: $(storage {MessageIdCheck} $@ OK $) $1 + R< $+ @ $+ > $@ OK + R$* $#error $: 553 Header Error + + Scheck_eoh + # Check the macro + R$* $: < $&{MessageIdCheck} > + # Clear the macro for the next message + R$* $: $(storage {MessageIdCheck} $) $1 + # Has a Message-Id: header + R< $+ > $@ OK + # Allow missing Message-Id: from local mail + R$* $: < $&{client_name} > + R< > $@ OK + R< $=w > $@ OK + # Otherwise, reject the mail + R$* $#error $: 553 Header Error + + ++--------------------+ +| CONNECTION CONTROL | ++--------------------+ + +The features ratecontrol and conncontrol allow to establish connection +limits per client IP address or net. These features can limit the +rate of connections (connections per time unit) or the number of +incoming SMTP connections, respectively. If enabled, appropriate +rulesets are called at the end of check_relay, i.e., after DNS +blacklists and generic access_db operations. The features require +FEATURE(`access_db') to be listed earlier in the mc file. + +Note: FEATURE(`delay_checks') delays those connection control checks +after a recipient address has been received, hence making these +connection control features less useful. To run the checks as early +as possible, specify the parameter `nodelay', e.g., + + FEATURE(`ratecontrol', `nodelay') + +In that case, FEATURE(`delay_checks') has no effect on connection +control (and it must be specified earlier in the mc file). + +An optional second argument `terminate' specifies whether the +rulesets should return the error code 421 which will cause +sendmail to terminate the session with that error if it is +returned from check_relay, i.e., not delayed as explained in +the previous paragraph. Example: + + FEATURE(`ratecontrol', `nodelay', `terminate') + + ++----------+ +| STARTTLS | ++----------+ + +In this text, cert will be used as an abbreviation for X.509 certificate, +DN (CN) is the distinguished (common) name of a cert, and CA is a +certification authority, which signs (issues) certs. + +For STARTTLS to be offered by sendmail you need to set at least +these variables (the file names and paths are just examples): + + define(`confCACERT_PATH', `/etc/mail/certs/') + define(`confCACERT', `/etc/mail/certs/CA.cert.pem') + define(`confSERVER_CERT', `/etc/mail/certs/my.cert.pem') + define(`confSERVER_KEY', `/etc/mail/certs/my.key.pem') + +On systems which do not have the compile flag HASURANDOM set (see +sendmail/README) you also must set confRAND_FILE. + +See doc/op/op.{me,ps,txt} for more information about these options, +especially the sections ``Certificates for STARTTLS'' and ``PRNG for +STARTTLS''. + +Macros related to STARTTLS are: + +${cert_issuer} holds the DN of the CA (the cert issuer). +${cert_subject} holds the DN of the cert (called the cert subject). +${cn_issuer} holds the CN of the CA (the cert issuer). +${cn_subject} holds the CN of the cert (called the cert subject). +${tls_version} the TLS/SSL version used for the connection, e.g., TLSv1, + TLSv1/SSLv3, SSLv3, SSLv2. +${cipher} the cipher used for the connection, e.g., EDH-DSS-DES-CBC3-SHA, + EDH-RSA-DES-CBC-SHA, DES-CBC-MD5, DES-CBC3-SHA. +${cipher_bits} the keylength (in bits) of the symmetric encryption algorithm + used for the connection. +${verify} holds the result of the verification of the presented cert. + Possible values are: + OK verification succeeded. + NO no cert presented. + NOT no cert requested. + FAIL cert presented but could not be verified, + e.g., the cert of the signing CA is missing. + NONE STARTTLS has not been performed. + TEMP temporary error occurred. + PROTOCOL protocol error occurred (SMTP level). + SOFTWARE STARTTLS handshake failed. +${server_name} the name of the server of the current outgoing SMTP + connection. +${server_addr} the address of the server of the current outgoing SMTP + connection. + +Relaying +-------- + +SMTP STARTTLS can allow relaying for remote SMTP clients which have +successfully authenticated themselves. If the verification of the cert +failed (${verify} != OK), relaying is subject to the usual rules. +Otherwise the DN of the issuer is looked up in the access map using the +tag CERTISSUER. If the resulting value is RELAY, relaying is allowed. +If it is SUBJECT, the DN of the cert subject is looked up next in the +access map using the tag CERTSUBJECT. If the value is RELAY, relaying +is allowed. + +To make things a bit more flexible (or complicated), the values for +${cert_issuer} and ${cert_subject} can be optionally modified by regular +expressions defined in the m4 variables _CERT_REGEX_ISSUER_ and +_CERT_REGEX_SUBJECT_, respectively. To avoid problems with those macros in +rulesets and map lookups, they are modified as follows: each non-printable +character and the characters '<', '>', '(', ')', '"', '+', ' ' are replaced +by their HEX value with a leading '+'. For example: + +/C=US/ST=California/O=endmail.org/OU=private/CN=Darth Mail (Cert)/Email= +darth+cert@endmail.org + +is encoded as: + +/C=US/ST=California/O=endmail.org/OU=private/CN= +Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.org + +(line breaks have been inserted for readability). + +The macros which are subject to this encoding are ${cert_subject}, +${cert_issuer}, ${cn_subject}, and ${cn_issuer}. + +Examples: + +To allow relaying for everyone who can present a cert signed by + +/C=US/ST=California/O=endmail.org/OU=private/CN= +Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.org + +simply use: + +CertIssuer:/C=US/ST=California/O=endmail.org/OU=private/CN= +Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.org RELAY + +To allow relaying only for a subset of machines that have a cert signed by + +/C=US/ST=California/O=endmail.org/OU=private/CN= +Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.org + +use: + +CertIssuer:/C=US/ST=California/O=endmail.org/OU=private/CN= +Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.org SUBJECT +CertSubject:/C=US/ST=California/O=endmail.org/OU=private/CN= +DeathStar/Email=deathstar@endmail.org RELAY + +Notes: +- line breaks have been inserted after "CN=" for readability, + each tagged entry must be one (long) line in the access map. +- if OpenSSL 0.9.7 or newer is used then the "Email=" part of a DN + is replaced by "emailAddress=". + +Of course it is also possible to write a simple ruleset that allows +relaying for everyone who can present a cert that can be verified, e.g., + +LOCAL_RULESETS +SLocal_check_rcpt +R$* $: $&{verify} +ROK $# OK + +Allowing Connections +-------------------- + +The rulesets tls_server, tls_client, and tls_rcpt are used to decide whether +an SMTP connection is accepted (or should continue). + +tls_server is called when sendmail acts as client after a STARTTLS command +(should) have been issued. The parameter is the value of ${verify}. + +tls_client is called when sendmail acts as server, after a STARTTLS command +has been issued, and from check_mail. The parameter is the value of +${verify} and STARTTLS or MAIL, respectively. + +Both rulesets behave the same. If no access map is in use, the connection +will be accepted unless ${verify} is SOFTWARE, in which case the connection +is always aborted. For tls_server/tls_client, ${client_name}/${server_name} +is looked up in the access map using the tag TLS_Srv/TLS_Clt, which is done +with the ruleset LookUpDomain. If no entry is found, ${client_addr} +(${server_addr}) is looked up in the access map (same tag, ruleset +LookUpAddr). If this doesn't result in an entry either, just the tag is +looked up in the access map (included the trailing colon). Notice: +requiring that e-mail is sent to a server only encrypted, e.g., via + +TLS_Srv:secure.domain ENCR:112 + +doesn't necessarily mean that e-mail sent to that domain is encrypted. +If the domain has multiple MX servers, e.g., + +secure.domain. IN MX 10 mail.secure.domain. +secure.domain. IN MX 50 mail.other.domain. + +then mail to user@secure.domain may go unencrypted to mail.other.domain. +tls_rcpt can be used to address this problem. + +tls_rcpt is called before a RCPT TO: command is sent. The parameter is the +current recipient. This ruleset is only defined if FEATURE(`access_db') +is selected. A recipient address user@domain is looked up in the access +map in four formats: TLS_Rcpt:user@domain, TLS_Rcpt:user@, TLS_Rcpt:domain, +and TLS_Rcpt:; the first match is taken. + +The result of the lookups is then used to call the ruleset TLS_connection, +which checks the requirement specified by the RHS in the access map against +the actual parameters of the current TLS connection, esp. ${verify} and +${cipher_bits}. Legal RHSs in the access map are: + +VERIFY verification must have succeeded +VERIFY:bits verification must have succeeded and ${cipher_bits} must + be greater than or equal bits. +ENCR:bits ${cipher_bits} must be greater than or equal bits. + +The RHS can optionally be prefixed by TEMP+ or PERM+ to select a temporary +or permanent error. The default is a temporary error code (403 4.7.0) +unless the macro TLS_PERM_ERR is set during generation of the .cf file. + +If a certain level of encryption is required, then it might also be +possible that this level is provided by the security layer from a SASL +algorithm, e.g., DIGEST-MD5. + +Furthermore, there can be a list of extensions added. Such a list +starts with '+' and the items are separated by '++'. Allowed +extensions are: + +CN:name name must match ${cn_subject} +CN ${server_name} must match ${cn_subject} +CS:name name must match ${cert_subject} +CI:name name must match ${cert_issuer} + +Example: e-mail sent to secure.example.com should only use an encrypted +connection. E-mail received from hosts within the laptop.example.com domain +should only be accepted if they have been authenticated. The host which +receives e-mail for darth@endmail.org must present a cert that uses the +CN smtp.endmail.org. + +TLS_Srv:secure.example.com ENCR:112 +TLS_Clt:laptop.example.com PERM+VERIFY:112 +TLS_Rcpt:darth@endmail.org ENCR:112+CN:smtp.endmail.org + + +Disabling STARTTLS And Setting SMTP Server Features +--------------------------------------------------- + +By default STARTTLS is used whenever possible. However, there are +some broken MTAs that don't properly implement STARTTLS. To be able +to send to (or receive from) those MTAs, the ruleset try_tls +(srv_features) can be used that work together with the access map. +Entries for the access map must be tagged with Try_TLS (Srv_Features) +and refer to the hostname or IP address of the connecting system. +A default case can be specified by using just the tag. For example, +the following entries in the access map: + + Try_TLS:broken.server NO + Srv_Features:my.domain v + Srv_Features: V + +will turn off STARTTLS when sending to broken.server (or any host +in that domain), and request a client certificate during the TLS +handshake only for hosts in my.domain. The valid entries on the RHS +for Srv_Features are listed in the Sendmail Installation and +Operations Guide. + + +Received: Header +---------------- + +The Received: header reveals whether STARTTLS has been used. It contains an +extra line: + +(version=${tls_version} cipher=${cipher} bits=${cipher_bits} verify=${verify}) + + ++---------------------+ +| SMTP AUTHENTICATION | ++---------------------+ + +The macros ${auth_authen}, ${auth_author}, and ${auth_type} can be +used in anti-relay rulesets to allow relaying for those users that +authenticated themselves. A very simple example is: + +SLocal_check_rcpt +R$* $: $&{auth_type} +R$+ $# OK + +which checks whether a user has successfully authenticated using +any available mechanism. Depending on the setup of the Cyrus SASL +library, more sophisticated rulesets might be required, e.g., + +SLocal_check_rcpt +R$* $: $&{auth_type} $| $&{auth_authen} +RDIGEST-MD5 $| $+@$=w $# OK + +to allow relaying for users that authenticated using DIGEST-MD5 +and have an identity in the local domains. + +The ruleset trust_auth is used to determine whether a given AUTH= +parameter (that is passed to this ruleset) should be trusted. This +ruleset may make use of the other ${auth_*} macros. Only if the +ruleset resolves to the error mailer, the AUTH= parameter is not +trusted. A user supplied ruleset Local_trust_auth can be written +to modify the default behavior, which only trust the AUTH= +parameter if it is identical to the authenticated user. + +Per default, relaying is allowed for any user who authenticated +via a "trusted" mechanism, i.e., one that is defined via +TRUST_AUTH_MECH(`list of mechanisms') +For example: +TRUST_AUTH_MECH(`KERBEROS_V4 DIGEST-MD5') + +If the selected mechanism provides a security layer the number of +bits used for the key of the symmetric cipher is stored in the +macro ${auth_ssf}. + +Providing SMTP AUTH Data when sendmail acts as Client +----------------------------------------------------- + +If sendmail acts as client, it needs some information how to +authenticate against another MTA. This information can be provided +by the ruleset authinfo or by the option DefaultAuthInfo. The +authinfo ruleset looks up {server_name} using the tag AuthInfo: in +the access map. If no entry is found, {server_addr} is looked up +in the same way and finally just the tag AuthInfo: to provide +default values. Note: searches for domain parts or IP nets are +only performed if the access map is used; if the authinfo feature +is used then only up to three lookups are performed (two exact +matches, one default). + +Note: If your daemon does client authentication when sending, and +if it uses either PLAIN or LOGIN authentication, then you *must* +prevent ordinary users from seeing verbose output. Do NOT install +sendmail set-user-ID. Use PrivacyOptions to turn off verbose output +("goaway" works for this). + +Notice: the default configuration file causes the option DefaultAuthInfo +to fail since the ruleset authinfo is in the .cf file. If you really +want to use DefaultAuthInfo (it is deprecated) then you have to +remove the ruleset. + +The RHS for an AuthInfo: entry in the access map should consists of a +list of tokens, each of which has the form: "TDstring" (including +the quotes). T is a tag which describes the item, D is a delimiter, +either ':' for simple text or '=' for a base64 encoded string. +Valid values for the tag are: + + U user (authorization) id + I authentication id + P password + R realm + M list of mechanisms delimited by spaces + +Example entries are: + +AuthInfo:other.dom "U:user" "I:user" "P:secret" "R:other.dom" "M:DIGEST-MD5" +AuthInfo:host.more.dom "U:user" "P=c2VjcmV0" + +User id or authentication id must exist as well as the password. All +other entries have default values. If one of user or authentication +id is missing, the existing value is used for the missing item. +If "R:" is not specified, realm defaults to $j. The list of mechanisms +defaults to those specified by AuthMechanisms. + +Since this map contains sensitive information, either the access +map must be unreadable by everyone but root (or the trusted user) +or FEATURE(`authinfo') must be used which provides a separate map. +Notice: It is not checked whether the map is actually +group/world-unreadable, this is left to the user. + ++--------------------------------+ +| ADDING NEW MAILERS OR RULESETS | ++--------------------------------+ + +Sometimes you may need to add entirely new mailers or rulesets. They +should be introduced with the constructs MAILER_DEFINITIONS and +LOCAL_RULESETS respectively. For example: + + MAILER_DEFINITIONS + Mmymailer, ... + ... + + LOCAL_RULESETS + Smyruleset + ... + +Local additions for the rulesets srv_features, try_tls, tls_rcpt, +tls_client, and tls_server can be made using LOCAL_SRV_FEATURES, +LOCAL_TRY_TLS, LOCAL_TLS_RCPT, LOCAL_TLS_CLIENT, and LOCAL_TLS_SERVER, +respectively. For example, to add a local ruleset that decides +whether to try STARTTLS in a sendmail client, use: + + LOCAL_TRY_TLS + R... + +Note: you don't need to add a name for the ruleset, it is implicitly +defined by using the appropriate macro. + + ++-------------------------+ +| ADDING NEW MAIL FILTERS | ++-------------------------+ + +Sendmail supports mail filters to filter incoming SMTP messages according +to the "Sendmail Mail Filter API" documentation. These filters can be +configured in your mc file using the two commands: + + MAIL_FILTER(`name', `equates') + INPUT_MAIL_FILTER(`name', `equates') + +The first command, MAIL_FILTER(), simply defines a filter with the given +name and equates. For example: + + MAIL_FILTER(`archive', `S=local:/var/run/archivesock, F=R') + +This creates the equivalent sendmail.cf entry: + + Xarchive, S=local:/var/run/archivesock, F=R + +The INPUT_MAIL_FILTER() command performs the same actions as MAIL_FILTER +but also populates the m4 variable `confINPUT_MAIL_FILTERS' with the name +of the filter such that the filter will actually be called by sendmail. + +For example, the two commands: + + INPUT_MAIL_FILTER(`archive', `S=local:/var/run/archivesock, F=R') + INPUT_MAIL_FILTER(`spamcheck', `S=inet:2525@localhost, F=T') + +are equivalent to the three commands: + + MAIL_FILTER(`archive', `S=local:/var/run/archivesock, F=R') + MAIL_FILTER(`spamcheck', `S=inet:2525@localhost, F=T') + define(`confINPUT_MAIL_FILTERS', `archive, spamcheck') + +In general, INPUT_MAIL_FILTER() should be used unless you need to define +more filters than you want to use for `confINPUT_MAIL_FILTERS'. + +Note that setting `confINPUT_MAIL_FILTERS' after any INPUT_MAIL_FILTER() +commands will clear the list created by the prior INPUT_MAIL_FILTER() +commands. + + ++-------------------------+ +| QUEUE GROUP DEFINITIONS | ++-------------------------+ + +In addition to the queue directory (which is the default queue group +called "mqueue"), sendmail can deal with multiple queue groups, which +are collections of queue directories with the same behaviour. Queue +groups can be defined using the command: + + QUEUE_GROUP(`name', `equates') + +For details about queue groups, please see doc/op/op.{me,ps,txt}. + ++-------------------------------+ +| NON-SMTP BASED CONFIGURATIONS | ++-------------------------------+ + +These configuration files are designed primarily for use by +SMTP-based sites. They may not be well tuned for UUCP-only or +UUCP-primarily nodes (the latter is defined as a small local net +connected to the rest of the world via UUCP). However, there is +one hook to handle some special cases. + +You can define a ``smart host'' that understands a richer address syntax +using: + + define(`SMART_HOST', `mailer:hostname') + +In this case, the ``mailer:'' defaults to "relay". Any messages that +can't be handled using the usual UUCP rules are passed to this host. + +If you are on a local SMTP-based net that connects to the outside +world via UUCP, you can use LOCAL_NET_CONFIG to add appropriate rules. +For example: + + define(`SMART_HOST', `uucp-new:uunet') + LOCAL_NET_CONFIG + R$* < @ $* .$m. > $* $#smtp $@ $2.$m. $: $1 < @ $2.$m. > $3 + +This will cause all names that end in your domain name ($m) to be sent +via SMTP; anything else will be sent via uucp-new (smart UUCP) to uunet. +If you have FEATURE(`nocanonify'), you may need to omit the dots after +the $m. If you are running a local DNS inside your domain which is +not otherwise connected to the outside world, you probably want to +use: + + define(`SMART_HOST', `smtp:fire.wall.com') + LOCAL_NET_CONFIG + R$* < @ $* . > $* $#smtp $@ $2. $: $1 < @ $2. > $3 + +That is, send directly only to things you found in your DNS lookup; +anything else goes through SMART_HOST. + +You may need to turn off the anti-spam rules in order to accept +UUCP mail with FEATURE(`promiscuous_relay') and +FEATURE(`accept_unresolvable_domains'). + + ++-----------+ +| WHO AM I? | ++-----------+ + +Normally, the $j macro is automatically defined to be your fully +qualified domain name (FQDN). Sendmail does this by getting your +host name using gethostname and then calling gethostbyname on the +result. For example, in some environments gethostname returns +only the root of the host name (such as "foo"); gethostbyname is +supposed to return the FQDN ("foo.bar.com"). In some (fairly rare) +cases, gethostbyname may fail to return the FQDN. In this case +you MUST define confDOMAIN_NAME to be your fully qualified domain +name. This is usually done using: + + Dmbar.com + define(`confDOMAIN_NAME', `$w.$m')dnl + + ++-----------------------------------+ +| ACCEPTING MAIL FOR MULTIPLE NAMES | ++-----------------------------------+ + +If your host is known by several different names, you need to augment +class {w}. This is a list of names by which your host is known, and +anything sent to an address using a host name in this list will be +treated as local mail. You can do this in two ways: either create the +file /etc/mail/local-host-names containing a list of your aliases (one per +line), and use ``FEATURE(`use_cw_file')'' in the .mc file, or add +``LOCAL_DOMAIN(`alias.host.name')''. Be sure you use the fully-qualified +name of the host, rather than a short name. + +If you want to have different address in different domains, take +a look at the virtusertable feature, which is also explained at +http://www.sendmail.org/virtual-hosting.html + + ++--------------------+ +| USING MAILERTABLES | ++--------------------+ + +To use FEATURE(`mailertable'), you will have to create an external +database containing the routing information for various domains. +For example, a mailertable file in text format might be: + + .my.domain xnet:%1.my.domain + uuhost1.my.domain uucp-new:uuhost1 + .bitnet smtp:relay.bit.net + +This should normally be stored in /etc/mail/mailertable. The actual +database version of the mailertable is built using: + + makemap hash /etc/mail/mailertable < /etc/mail/mailertable + +The semantics are simple. Any LHS entry that does not begin with +a dot matches the full host name indicated. LHS entries beginning +with a dot match anything ending with that domain name (including +the leading dot) -- that is, they can be thought of as having a +leading ".+" regular expression pattern for a non-empty sequence of +characters. Matching is done in order of most-to-least qualified +-- for example, even though ".my.domain" is listed first in the +above example, an entry of "uuhost1.my.domain" will match the second +entry since it is more explicit. Note: e-mail to "user@my.domain" +does not match any entry in the above table. You need to have +something like: + + my.domain esmtp:host.my.domain + +The RHS should always be a "mailer:host" pair. The mailer is the +configuration name of a mailer (that is, an M line in the +sendmail.cf file). The "host" will be the hostname passed to +that mailer. In domain-based matches (that is, those with leading +dots) the "%1" may be used to interpolate the wildcarded part of +the host name. For example, the first line above sends everything +addressed to "anything.my.domain" to that same host name, but using +the (presumably experimental) xnet mailer. + +In some cases you may want to temporarily turn off MX records, +particularly on gateways. For example, you may want to MX +everything in a domain to one machine that then forwards it +directly. To do this, you might use the DNS configuration: + + *.domain. IN MX 0 relay.machine + +and on relay.machine use the mailertable: + + .domain smtp:[gateway.domain] + +The [square brackets] turn off MX records for this host only. +If you didn't do this, the mailertable would use the MX record +again, which would give you an MX loop. Note that the use of +wildcard MX records is almost always a bad idea. Please avoid +using them if possible. + + ++--------------------------------+ +| USING USERDB TO MAP FULL NAMES | ++--------------------------------+ + +The user database was not originally intended for mapping full names +to login names (e.g., Eric.Allman => eric), but some people are using +it that way. (it is recommended that you set up aliases for this +purpose instead -- since you can specify multiple alias files, this +is fairly easy.) The intent was to locate the default maildrop at +a site, but allow you to override this by sending to a specific host. + +If you decide to set up the user database in this fashion, it is +imperative that you not use FEATURE(`stickyhost') -- otherwise, +e-mail sent to Full.Name@local.host.name will be rejected. + +To build the internal form of the user database, use: + + makemap btree /etc/mail/userdb < /etc/mail/userdb.txt + +As a general rule, it is an extremely bad idea to using full names +as e-mail addresses, since they are not in any sense unique. For +example, the UNIX software-development community has at least two +well-known Peter Deutsches, and at one time Bell Labs had two +Stephen R. Bournes with offices along the same hallway. Which one +will be forced to suffer the indignity of being Stephen_R_Bourne_2? +The less famous of the two, or the one that was hired later? + +Finger should handle full names (and be fuzzy). Mail should use +handles, and not be fuzzy. + + ++--------------------------------+ +| MISCELLANEOUS SPECIAL FEATURES | ++--------------------------------+ + +Plussed users + Sometimes it is convenient to merge configuration on a + centralized mail machine, for example, to forward all + root mail to a mail server. In this case it might be + useful to be able to treat the root addresses as a class + of addresses with subtle differences. You can do this + using plussed users. For example, a client might include + the alias: + + root: root+client1@server + + On the server, this will match an alias for "root+client1". + If that is not found, the alias "root+*" will be tried, + then "root". + + ++----------------+ +| SECURITY NOTES | ++----------------+ + +A lot of sendmail security comes down to you. Sendmail 8 is much +more careful about checking for security problems than previous +versions, but there are some things that you still need to watch +for. In particular: + +* Make sure the aliases file is not writable except by trusted + system personnel. This includes both the text and database + version. + +* Make sure that other files that sendmail reads, such as the + mailertable, are only writable by trusted system personnel. + +* The queue directory should not be world writable PARTICULARLY + if your system allows "file giveaways" (that is, if a non-root + user can chown any file they own to any other user). + +* If your system allows file giveaways, DO NOT create a publically + writable directory for forward files. This will allow anyone + to steal anyone else's e-mail. Instead, create a script that + copies the .forward file from users' home directories once a + night (if you want the non-NFS-mounted forward directory). + +* If your system allows file giveaways, you'll find that + sendmail is much less trusting of :include: files -- in + particular, you'll have to have /SENDMAIL/ANY/SHELL/ in + /etc/shells before they will be trusted (that is, before + files and programs listed in them will be honored). + +In general, file giveaways are a mistake -- if you can turn them +off, do so. + + ++--------------------------------+ +| TWEAKING CONFIGURATION OPTIONS | ++--------------------------------+ + +There are a large number of configuration options that don't normally +need to be changed. However, if you feel you need to tweak them, +you can define the following M4 variables. Note that some of these +variables require formats that are defined in RFC 2821 or RFC 2822. +Before changing them you need to make sure you do not violate those +(and other relevant) RFCs. + +This list is shown in four columns: the name you define, the default +value for that definition, the option or macro that is affected +(either Ox for an option or Dx for a macro), and a brief description. +Greater detail of the semantics can be found in the Installation +and Operations Guide. + +Some options are likely to be deprecated in future versions -- that is, +the option is only included to provide back-compatibility. These are +marked with "*". + +Remember that these options are M4 variables, and hence may need to +be quoted. In particular, arguments with commas will usually have to +be ``double quoted, like this phrase'' to avoid having the comma +confuse things. This is common for alias file definitions and for +the read timeout. + +M4 Variable Name Configuration [Default] & Description +================ ============= ======================= +confMAILER_NAME $n macro [MAILER-DAEMON] The sender name used + for internally generated outgoing + messages. +confDOMAIN_NAME $j macro If defined, sets $j. This should + only be done if your system cannot + determine your local domain name, + and then it should be set to + $w.Foo.COM, where Foo.COM is your + domain name. +confCF_VERSION $Z macro If defined, this is appended to the + configuration version name. +confLDAP_CLUSTER ${sendmailMTACluster} macro + If defined, this is the LDAP + cluster to use for LDAP searches + as described above in ``USING LDAP + FOR ALIASES, MAPS, AND CLASSES''. +confFROM_HEADER From: [$?x$x <$g>$|$g$.] The format of an + internally generated From: address. +confRECEIVED_HEADER Received: + [$?sfrom $s $.$?_($?s$|from $.$_) + $.$?{auth_type}(authenticated) + $.by $j ($v/$Z)$?r with $r$. id $i$?u + for $u; $|; + $.$b] + The format of the Received: header + in messages passed through this host. + It is unwise to try to change this. +confMESSAGEID_HEADER Message-Id: [<$t.$i@$j>] The format of an + internally generated Message-Id: + header. +confCW_FILE Fw class [/etc/mail/local-host-names] Name + of file used to get the local + additions to class {w} (local host + names). +confCT_FILE Ft class [/etc/mail/trusted-users] Name of + file used to get the local additions + to class {t} (trusted users). +confCR_FILE FR class [/etc/mail/relay-domains] Name of + file used to get the local additions + to class {R} (hosts allowed to relay). +confTRUSTED_USERS Ct class [no default] Names of users to add to + the list of trusted users. This list + always includes root, uucp, and daemon. + See also FEATURE(`use_ct_file'). +confTRUSTED_USER TrustedUser [no default] Trusted user for file + ownership and starting the daemon. + Not to be confused with + confTRUSTED_USERS (see above). +confSMTP_MAILER - [esmtp] The mailer name used when + SMTP connectivity is required. + One of "smtp", "smtp8", + "esmtp", or "dsmtp". +confUUCP_MAILER - [uucp-old] The mailer to be used by + default for bang-format recipient + addresses. See also discussion of + class {U}, class {Y}, and class {Z} + in the MAILER(`uucp') section. +confLOCAL_MAILER - [local] The mailer name used when + local connectivity is required. + Almost always "local". +confRELAY_MAILER - [relay] The default mailer name used + for relaying any mail (e.g., to a + BITNET_RELAY, a SMART_HOST, or + whatever). This can reasonably be + "uucp-new" if you are on a + UUCP-connected site. +confSEVEN_BIT_INPUT SevenBitInput [False] Force input to seven bits? +confEIGHT_BIT_HANDLING EightBitMode [pass8] 8-bit data handling +confALIAS_WAIT AliasWait [10m] Time to wait for alias file + rebuild until you get bored and + decide that the apparently pending + rebuild failed. +confMIN_FREE_BLOCKS MinFreeBlocks [100] Minimum number of free blocks on + queue filesystem to accept SMTP mail. + (Prior to 8.7 this was minfree/maxsize, + where minfree was the number of free + blocks and maxsize was the maximum + message size. Use confMAX_MESSAGE_SIZE + for the second value now.) +confMAX_MESSAGE_SIZE MaxMessageSize [infinite] The maximum size of messages + that will be accepted (in bytes). +confBLANK_SUB BlankSub [.] Blank (space) substitution + character. +confCON_EXPENSIVE HoldExpensive [False] Avoid connecting immediately + to mailers marked expensive. +confCHECKPOINT_INTERVAL CheckpointInterval + [10] Checkpoint queue files every N + recipients. +confDELIVERY_MODE DeliveryMode [background] Default delivery mode. +confERROR_MODE ErrorMode [print] Error message mode. +confERROR_MESSAGE ErrorHeader [undefined] Error message header/file. +confSAVE_FROM_LINES SaveFromLine Save extra leading From_ lines. +confTEMP_FILE_MODE TempFileMode [0600] Temporary file mode. +confMATCH_GECOS MatchGECOS [False] Match GECOS field. +confMAX_HOP MaxHopCount [25] Maximum hop count. +confIGNORE_DOTS* IgnoreDots [False; always False in -bs or -bd + mode] Ignore dot as terminator for + incoming messages? +confBIND_OPTS ResolverOptions [undefined] Default options for DNS + resolver. +confMIME_FORMAT_ERRORS* SendMimeErrors [True] Send error messages as MIME- + encapsulated messages per RFC 1344. +confFORWARD_PATH ForwardPath [$z/.forward.$w:$z/.forward] + The colon-separated list of places to + search for .forward files. N.B.: see + the Security Notes section. +confMCI_CACHE_SIZE ConnectionCacheSize + [2] Size of open connection cache. +confMCI_CACHE_TIMEOUT ConnectionCacheTimeout + [5m] Open connection cache timeout. +confHOST_STATUS_DIRECTORY HostStatusDirectory + [undefined] If set, host status is kept + on disk between sendmail runs in the + named directory tree. This need not be + a full pathname, in which case it is + interpreted relative to the queue + directory. +confSINGLE_THREAD_DELIVERY SingleThreadDelivery + [False] If this option and the + HostStatusDirectory option are both + set, single thread deliveries to other + hosts. That is, don't allow any two + sendmails on this host to connect + simultaneously to any other single + host. This can slow down delivery in + some cases, in particular since a + cached but otherwise idle connection + to a host will prevent other sendmails + from connecting to the other host. +confUSE_ERRORS_TO* UseErrorsTo [False] Use the Errors-To: header to + deliver error messages. This should + not be necessary because of general + acceptance of the envelope/header + distinction. +confLOG_LEVEL LogLevel [9] Log level. +confME_TOO MeToo [True] Include sender in group + expansions. This option is + deprecated and will be removed from + a future version. +confCHECK_ALIASES CheckAliases [False] Check RHS of aliases when + running newaliases. Since this does + DNS lookups on every address, it can + slow down the alias rebuild process + considerably on large alias files. +confOLD_STYLE_HEADERS* OldStyleHeaders [True] Assume that headers without + special chars are old style. +confPRIVACY_FLAGS PrivacyOptions [authwarnings] Privacy flags. +confCOPY_ERRORS_TO PostmasterCopy [undefined] Address for additional + copies of all error messages. +confQUEUE_FACTOR QueueFactor [600000] Slope of queue-only function. +confQUEUE_FILE_MODE QueueFileMode [undefined] Default permissions for + queue files (octal). If not set, + sendmail uses 0600 unless its real + and effective uid are different in + which case it uses 0644. +confDONT_PRUNE_ROUTES DontPruneRoutes [False] Don't prune down route-addr + syntax addresses to the minimum + possible. +confSAFE_QUEUE* SuperSafe [True] Commit all messages to disk + before forking. +confTO_INITIAL Timeout.initial [5m] The timeout waiting for a response + on the initial connect. +confTO_CONNECT Timeout.connect [0] The timeout waiting for an initial + connect() to complete. This can only + shorten connection timeouts; the kernel + silently enforces an absolute maximum + (which varies depending on the system). +confTO_ICONNECT Timeout.iconnect + [undefined] Like Timeout.connect, but + applies only to the very first attempt + to connect to a host in a message. + This allows a single very fast pass + followed by more careful delivery + attempts in the future. +confTO_ACONNECT Timeout.aconnect + [0] The overall timeout waiting for + all connection for a single delivery + attempt to succeed. If 0, no overall + limit is applied. +confTO_HELO Timeout.helo [5m] The timeout waiting for a response + to a HELO or EHLO command. +confTO_MAIL Timeout.mail [10m] The timeout waiting for a + response to the MAIL command. +confTO_RCPT Timeout.rcpt [1h] The timeout waiting for a response + to the RCPT command. +confTO_DATAINIT Timeout.datainit + [5m] The timeout waiting for a 354 + response from the DATA command. +confTO_DATABLOCK Timeout.datablock + [1h] The timeout waiting for a block + during DATA phase. +confTO_DATAFINAL Timeout.datafinal + [1h] The timeout waiting for a response + to the final "." that terminates a + message. +confTO_RSET Timeout.rset [5m] The timeout waiting for a response + to the RSET command. +confTO_QUIT Timeout.quit [2m] The timeout waiting for a response + to the QUIT command. +confTO_MISC Timeout.misc [2m] The timeout waiting for a response + to other SMTP commands. +confTO_COMMAND Timeout.command [1h] In server SMTP, the timeout + waiting for a command to be issued. +confTO_IDENT Timeout.ident [5s] The timeout waiting for a + response to an IDENT query. +confTO_FILEOPEN Timeout.fileopen + [60s] The timeout waiting for a file + (e.g., :include: file) to be opened. +confTO_LHLO Timeout.lhlo [2m] The timeout waiting for a response + to an LMTP LHLO command. +confTO_AUTH Timeout.auth [10m] The timeout waiting for a + response in an AUTH dialogue. +confTO_STARTTLS Timeout.starttls + [1h] The timeout waiting for a + response to an SMTP STARTTLS command. +confTO_CONTROL Timeout.control + [2m] The timeout for a complete + control socket transaction to complete. +confTO_QUEUERETURN Timeout.queuereturn + [5d] The timeout before a message is + returned as undeliverable. +confTO_QUEUERETURN_NORMAL + Timeout.queuereturn.normal + [undefined] As above, for normal + priority messages. +confTO_QUEUERETURN_URGENT + Timeout.queuereturn.urgent + [undefined] As above, for urgent + priority messages. +confTO_QUEUERETURN_NONURGENT + Timeout.queuereturn.non-urgent + [undefined] As above, for non-urgent + (low) priority messages. +confTO_QUEUERETURN_DSN + Timeout.queuereturn.dsn + [undefined] As above, for delivery + status notification messages. +confTO_QUEUEWARN Timeout.queuewarn + [4h] The timeout before a warning + message is sent to the sender telling + them that the message has been + deferred. +confTO_QUEUEWARN_NORMAL Timeout.queuewarn.normal + [undefined] As above, for normal + priority messages. +confTO_QUEUEWARN_URGENT Timeout.queuewarn.urgent + [undefined] As above, for urgent + priority messages. +confTO_QUEUEWARN_NONURGENT + Timeout.queuewarn.non-urgent + [undefined] As above, for non-urgent + (low) priority messages. +confTO_QUEUEWARN_DSN + Timeout.queuewarn.dsn + [undefined] As above, for delivery + status notification messages. +confTO_HOSTSTATUS Timeout.hoststatus + [30m] How long information about host + statuses will be maintained before it + is considered stale and the host should + be retried. This applies both within + a single queue run and to persistent + information (see below). +confTO_RESOLVER_RETRANS Timeout.resolver.retrans + [varies] Sets the resolver's + retransmission time interval (in + seconds). Sets both + Timeout.resolver.retrans.first and + Timeout.resolver.retrans.normal. +confTO_RESOLVER_RETRANS_FIRST Timeout.resolver.retrans.first + [varies] Sets the resolver's + retransmission time interval (in + seconds) for the first attempt to + deliver a message. +confTO_RESOLVER_RETRANS_NORMAL Timeout.resolver.retrans.normal + [varies] Sets the resolver's + retransmission time interval (in + seconds) for all resolver lookups + except the first delivery attempt. +confTO_RESOLVER_RETRY Timeout.resolver.retry + [varies] Sets the number of times + to retransmit a resolver query. + Sets both + Timeout.resolver.retry.first and + Timeout.resolver.retry.normal. +confTO_RESOLVER_RETRY_FIRST Timeout.resolver.retry.first + [varies] Sets the number of times + to retransmit a resolver query for + the first attempt to deliver a + message. +confTO_RESOLVER_RETRY_NORMAL Timeout.resolver.retry.normal + [varies] Sets the number of times + to retransmit a resolver query for + all resolver lookups except the + first delivery attempt. +confTIME_ZONE TimeZoneSpec [USE_SYSTEM] Time zone info -- can be + USE_SYSTEM to use the system's idea, + USE_TZ to use the user's TZ envariable, + or something else to force that value. +confDEF_USER_ID DefaultUser [1:1] Default user id. +confUSERDB_SPEC UserDatabaseSpec + [undefined] User database + specification. +confFALLBACK_MX FallbackMXhost [undefined] Fallback MX host. +confFALLBACK_SMARTHOST FallbackSmartHost + [undefined] Fallback smart host. +confTRY_NULL_MX_LIST TryNullMXList [False] If this host is the best MX + for a host and other arrangements + haven't been made, try connecting + to the host directly; normally this + would be a config error. +confQUEUE_LA QueueLA [varies] Load average at which + queue-only function kicks in. + Default values is (8 * numproc) + where numproc is the number of + processors online (if that can be + determined). +confREFUSE_LA RefuseLA [varies] Load average at which + incoming SMTP connections are + refused. Default values is (12 * + numproc) where numproc is the + number of processors online (if + that can be determined). +confREJECT_LOG_INTERVAL RejectLogInterval [3h] Log interval when + refusing connections for this long. +confDELAY_LA DelayLA [0] Load average at which sendmail + will sleep for one second on most + SMTP commands and before accepting + connections. 0 means no limit. +confMAX_ALIAS_RECURSION MaxAliasRecursion + [10] Maximum depth of alias recursion. +confMAX_DAEMON_CHILDREN MaxDaemonChildren + [undefined] The maximum number of + children the daemon will permit. After + this number, connections will be + rejected. If not set or <= 0, there is + no limit. +confMAX_HEADERS_LENGTH MaxHeadersLength + [32768] Maximum length of the sum + of all headers. +confMAX_MIME_HEADER_LENGTH MaxMimeHeaderLength + [undefined] Maximum length of + certain MIME header field values. +confCONNECTION_RATE_THROTTLE ConnectionRateThrottle + [undefined] The maximum number of + connections permitted per second per + daemon. After this many connections + are accepted, further connections + will be delayed. If not set or <= 0, + there is no limit. +confCONNECTION_RATE_WINDOW_SIZE ConnectionRateWindowSize + [60s] Define the length of the + interval for which the number of + incoming connections is maintained. +confWORK_RECIPIENT_FACTOR + RecipientFactor [30000] Cost of each recipient. +confSEPARATE_PROC ForkEachJob [False] Run all deliveries in a + separate process. +confWORK_CLASS_FACTOR ClassFactor [1800] Priority multiplier for class. +confWORK_TIME_FACTOR RetryFactor [90000] Cost of each delivery attempt. +confQUEUE_SORT_ORDER QueueSortOrder [Priority] Queue sort algorithm: + Priority, Host, Filename, Random, + Modification, or Time. +confMIN_QUEUE_AGE MinQueueAge [0] The minimum amount of time a job + must sit in the queue between queue + runs. This allows you to set the + queue run interval low for better + responsiveness without trying all + jobs in each run. +confDEF_CHAR_SET DefaultCharSet [unknown-8bit] When converting + unlabeled 8 bit input to MIME, the + character set to use by default. +confSERVICE_SWITCH_FILE ServiceSwitchFile + [/etc/mail/service.switch] The file + to use for the service switch on + systems that do not have a + system-defined switch. +confHOSTS_FILE HostsFile [/etc/hosts] The file to use when doing + "file" type access of hosts names. +confDIAL_DELAY DialDelay [0s] If a connection fails, wait this + long and try again. Zero means "don't + retry". This is to allow "dial on + demand" connections to have enough time + to complete a connection. +confNO_RCPT_ACTION NoRecipientAction + [none] What to do if there are no legal + recipient fields (To:, Cc: or Bcc:) + in the message. Legal values can + be "none" to just leave the + nonconforming message as is, "add-to" + to add a To: header with all the + known recipients (which may expose + blind recipients), "add-apparently-to" + to do the same but use Apparently-To: + instead of To: (strongly discouraged + in accordance with IETF standards), + "add-bcc" to add an empty Bcc: + header, or "add-to-undisclosed" to + add the header + ``To: undisclosed-recipients:;''. +confSAFE_FILE_ENV SafeFileEnvironment + [undefined] If set, sendmail will do a + chroot() into this directory before + writing files. +confCOLON_OK_IN_ADDR ColonOkInAddr [True unless Configuration Level > 6] + If set, colons are treated as a regular + character in addresses. If not set, + they are treated as the introducer to + the RFC 822 "group" syntax. Colons are + handled properly in route-addrs. This + option defaults on for V5 and lower + configuration files. +confMAX_QUEUE_RUN_SIZE MaxQueueRunSize [0] If set, limit the maximum size of + any given queue run to this number of + entries. Essentially, this will stop + reading each queue directory after this + number of entries are reached; it does + _not_ pick the highest priority jobs, + so this should be as large as your + system can tolerate. If not set, there + is no limit. +confMAX_QUEUE_CHILDREN MaxQueueChildren + [undefined] Limits the maximum number + of concurrent queue runners active. + This is to keep system resources used + within a reasonable limit. Relates to + Queue Groups and ForkEachJob. +confMAX_RUNNERS_PER_QUEUE MaxRunnersPerQueue + [1] Only active when MaxQueueChildren + defined. Controls the maximum number + of queue runners (aka queue children) + active at the same time in a work + group. See also MaxQueueChildren. +confDONT_EXPAND_CNAMES DontExpandCnames + [False] If set, $[ ... $] lookups that + do DNS based lookups do not expand + CNAME records. This currently violates + the published standards, but the IETF + seems to be moving toward legalizing + this. For example, if "FTP.Foo.ORG" + is a CNAME for "Cruft.Foo.ORG", then + with this option set a lookup of + "FTP" will return "FTP.Foo.ORG"; if + clear it returns "Cruft.FOO.ORG". N.B. + you may not see any effect until your + downstream neighbors stop doing CNAME + lookups as well. +confFROM_LINE UnixFromLine [From $g $d] The From_ line used + when sending to files or programs. +confSINGLE_LINE_FROM_HEADER SingleLineFromHeader + [False] From: lines that have + embedded newlines are unwrapped + onto one line. +confALLOW_BOGUS_HELO AllowBogusHELO [False] Allow HELO SMTP command that + does not include a host name. +confMUST_QUOTE_CHARS MustQuoteChars [.'] Characters to be quoted in a full + name phrase (@,;:\()[] are automatic). +confOPERATORS OperatorChars [.:%@!^/[]+] Address operator + characters. +confSMTP_LOGIN_MSG SmtpGreetingMessage + [$j Sendmail $v/$Z; $b] + The initial (spontaneous) SMTP + greeting message. The word "ESMTP" + will be inserted between the first and + second words to convince other + sendmails to try to speak ESMTP. +confDONT_INIT_GROUPS DontInitGroups [False] If set, the initgroups(3) + routine will never be invoked. You + might want to do this if you are + running NIS and you have a large group + map, since this call does a sequential + scan of the map; in a large site this + can cause your ypserv to run + essentially full time. If you set + this, agents run on behalf of users + will only have their primary + (/etc/passwd) group permissions. +confUNSAFE_GROUP_WRITES UnsafeGroupWrites + [False] If set, group-writable + :include: and .forward files are + considered "unsafe", that is, programs + and files cannot be directly referenced + from such files. World-writable files + are always considered unsafe. +confCONNECT_ONLY_TO ConnectOnlyTo [undefined] override connection + address (for testing). +confCONTROL_SOCKET_NAME ControlSocketName + [undefined] Control socket for daemon + management. +confDOUBLE_BOUNCE_ADDRESS DoubleBounceAddress + [postmaster] If an error occurs when + sending an error message, send that + "double bounce" error message to this + address. If it expands to an empty + string, double bounces are dropped. +confDEAD_LETTER_DROP DeadLetterDrop [undefined] Filename to save bounce + messages which could not be returned + to the user or sent to postmaster. + If not set, the queue file will + be renamed. +confRRT_IMPLIES_DSN RrtImpliesDsn [False] Return-Receipt-To: header + implies DSN request. +confRUN_AS_USER RunAsUser [undefined] If set, become this user + when reading and delivering mail. + Causes all file reads (e.g., .forward + and :include: files) to be done as + this user. Also, all programs will + be run as this user, and all output + files will be written as this user. +confMAX_RCPTS_PER_MESSAGE MaxRecipientsPerMessage + [infinite] If set, allow no more than + the specified number of recipients in + an SMTP envelope. Further recipients + receive a 452 error code (i.e., they + are deferred for the next delivery + attempt). +confBAD_RCPT_THROTTLE BadRcptThrottle [infinite] If set and the specified + number of recipients in a single SMTP + transaction have been rejected, sleep + for one second after each subsequent + RCPT command in that transaction. +confDONT_PROBE_INTERFACES DontProbeInterfaces + [False] If set, sendmail will _not_ + insert the names and addresses of any + local interfaces into class {w} + (list of known "equivalent" addresses). + If you set this, you must also include + some support for these addresses (e.g., + in a mailertable entry) -- otherwise, + mail to addresses in this list will + bounce with a configuration error. + If set to "loopback" (without + quotes), sendmail will skip + loopback interfaces (e.g., "lo0"). +confPID_FILE PidFile [system dependent] Location of pid + file. +confPROCESS_TITLE_PREFIX ProcessTitlePrefix + [undefined] Prefix string for the + process title shown on 'ps' listings. +confDONT_BLAME_SENDMAIL DontBlameSendmail + [safe] Override sendmail's file + safety checks. This will definitely + compromise system security and should + not be used unless absolutely + necessary. +confREJECT_MSG - [550 Access denied] The message + given if the access database contains + REJECT in the value portion. +confRELAY_MSG - [550 Relaying denied] The message + given if an unauthorized relaying + attempt is rejected. +confDF_BUFFER_SIZE DataFileBufferSize + [4096] The maximum size of a + memory-buffered data (df) file + before a disk-based file is used. +confXF_BUFFER_SIZE XScriptFileBufferSize + [4096] The maximum size of a + memory-buffered transcript (xf) + file before a disk-based file is + used. +confAUTH_MECHANISMS AuthMechanisms [GSSAPI KERBEROS_V4 DIGEST-MD5 + CRAM-MD5] List of authentication + mechanisms for AUTH (separated by + spaces). The advertised list of + authentication mechanisms will be the + intersection of this list and the list + of available mechanisms as determined + by the Cyrus SASL library. +confAUTH_REALM AuthRealm [undefined] The authentication realm + that is passed to the Cyrus SASL + library. If no realm is specified, + $j is used. +confDEF_AUTH_INFO DefaultAuthInfo [undefined] Name of file that contains + authentication information for + outgoing connections. This file must + contain the user id, the authorization + id, the password (plain text), the + realm to use, and the list of + mechanisms to try, each on a separate + line and must be readable by root (or + the trusted user) only. If no realm + is specified, $j is used. If no + mechanisms are given in the file, + AuthMechanisms is used. Notice: this + option is deprecated and will be + removed in future versions; it doesn't + work for the MSP since it can't read + the file. Use the authinfo ruleset + instead. See also the section SMTP + AUTHENTICATION. +confAUTH_OPTIONS AuthOptions [undefined] If this option is 'A' + then the AUTH= parameter for the + MAIL FROM command is only issued + when authentication succeeded. + See doc/op/op.me for more options + and details. +confAUTH_MAX_BITS AuthMaxBits [INT_MAX] Limit the maximum encryption + strength for the security layer in + SMTP AUTH (SASL). Default is + essentially unlimited. +confTLS_SRV_OPTIONS TLSSrvOptions If this option is 'V' no client + verification is performed, i.e., + the server doesn't ask for a + certificate. +confLDAP_DEFAULT_SPEC LDAPDefaultSpec [undefined] Default map + specification for LDAP maps. The + value should only contain LDAP + specific settings such as "-h host + -p port -d bindDN", etc. The + settings will be used for all LDAP + maps unless they are specified in + the individual map specification + ('K' command). +confCACERT_PATH CACertPath [undefined] Path to directory + with certs of CAs. +confCACERT CACertFile [undefined] File containing one CA + cert. +confSERVER_CERT ServerCertFile [undefined] File containing the + cert of the server, i.e., this cert + is used when sendmail acts as + server. +confSERVER_KEY ServerKeyFile [undefined] File containing the + private key belonging to the server + cert. +confCLIENT_CERT ClientCertFile [undefined] File containing the + cert of the client, i.e., this cert + is used when sendmail acts as + client. +confCLIENT_KEY ClientKeyFile [undefined] File containing the + private key belonging to the client + cert. +confCRL CRLFile [undefined] File containing certificate + revocation status, useful for X.509v3 + authentication. Note that CRL requires + at least OpenSSL version 0.9.7. +confDH_PARAMETERS DHParameters [undefined] File containing the + DH parameters. +confRAND_FILE RandFile [undefined] File containing random + data (use prefix file:) or the + name of the UNIX socket if EGD is + used (use prefix egd:). STARTTLS + requires this option if the compile + flag HASURANDOM is not set (see + sendmail/README). +confNICE_QUEUE_RUN NiceQueueRun [undefined] If set, the priority of + queue runners is set the given value + (nice(3)). +confDIRECT_SUBMISSION_MODIFIERS DirectSubmissionModifiers + [undefined] Defines {daemon_flags} + for direct submissions. +confUSE_MSP UseMSP [false] Use as mail submission + program, see sendmail/SECURITY. +confDELIVER_BY_MIN DeliverByMin [0] Minimum time for Deliver By + SMTP Service Extension (RFC 2852). +confREQUIRES_DIR_FSYNC RequiresDirfsync [true] RequiresDirfsync can + be used to turn off the compile time + flag REQUIRES_DIR_FSYNC at runtime. + See sendmail/README for details. +confSHARED_MEMORY_KEY SharedMemoryKey [0] Key for shared memory. +confFAST_SPLIT FastSplit [1] If set to a value greater than + zero, the initial MX lookups on + addresses is suppressed when they + are sorted which may result in + faster envelope splitting. If the + mail is submitted directly from the + command line, then the value also + limits the number of processes to + deliver the envelopes. +confMAILBOX_DATABASE MailboxDatabase [pw] Type of lookup to find + information about local mailboxes. +confDEQUOTE_OPTS - [empty] Additional options for the + dequote map. +confINPUT_MAIL_FILTERS InputMailFilters + A comma separated list of filters + which determines which filters and + the invocation sequence are + contacted for incoming SMTP + messages. If none are set, no + filters will be contacted. +confMILTER_LOG_LEVEL Milter.LogLevel [9] Log level for input mail filter + actions, defaults to LogLevel. +confMILTER_MACROS_CONNECT Milter.macros.connect + [j, _, {daemon_name}, {if_name}, + {if_addr}] Macros to transmit to + milters when a session connection + starts. +confMILTER_MACROS_HELO Milter.macros.helo + [{tls_version}, {cipher}, + {cipher_bits}, {cert_subject}, + {cert_issuer}] Macros to transmit to + milters after HELO/EHLO command. +confMILTER_MACROS_ENVFROM Milter.macros.envfrom + [i, {auth_type}, {auth_authen}, + {auth_ssf}, {auth_author}, + {mail_mailer}, {mail_host}, + {mail_addr}] Macros to transmit to + milters after MAIL FROM command. +confMILTER_MACROS_ENVRCPT Milter.macros.envrcpt + [{rcpt_mailer}, {rcpt_host}, + {rcpt_addr}] Macros to transmit to + milters after RCPT TO command. +confMILTER_MACROS_EOM Milter.macros.eom + [{msg_id}] Macros to transmit to + milters after DATA command. + + +See also the description of OSTYPE for some parameters that can be +tweaked (generally pathnames to mailers). + +ClientPortOptions and DaemonPortOptions are special cases since multiple +clients/daemons can be defined. This can be done via + + CLIENT_OPTIONS(`field1=value1,field2=value2,...') + DAEMON_OPTIONS(`field1=value1,field2=value2,...') + +Note that multiple CLIENT_OPTIONS() commands (and therefore multiple +ClientPortOptions settings) are allowed in order to give settings for each +protocol family (e.g., one for Family=inet and one for Family=inet6). A +restriction placed on one family only affects outgoing connections on that +particular family. + +If DAEMON_OPTIONS is not used, then the default is + + DAEMON_OPTIONS(`Port=smtp, Name=MTA') + DAEMON_OPTIONS(`Port=587, Name=MSA, M=E') + +If you use one DAEMON_OPTIONS macro, it will alter the parameters +of the first of these. The second will still be defaulted; it +represents a "Message Submission Agent" (MSA) as defined by RFC +2476 (see below). To turn off the default definition for the MSA, +use FEATURE(`no_default_msa') (see also FEATURES). If you use +additional DAEMON_OPTIONS macros, they will add additional daemons. + +Example 1: To change the port for the SMTP listener, while +still using the MSA default, use + DAEMON_OPTIONS(`Port=925, Name=MTA') + +Example 2: To change the port for the MSA daemon, while still +using the default SMTP port, use + FEATURE(`no_default_msa') + DAEMON_OPTIONS(`Name=MTA') + DAEMON_OPTIONS(`Port=987, Name=MSA, M=E') + +Note that if the first of those DAEMON_OPTIONS lines were omitted, then +there would be no listener on the standard SMTP port. + +Example 3: To listen on both IPv4 and IPv6 interfaces, use + + DAEMON_OPTIONS(`Name=MTA-v4, Family=inet') + DAEMON_OPTIONS(`Name=MTA-v6, Family=inet6') + +A "Message Submission Agent" still uses all of the same rulesets for +processing the message (and therefore still allows message rejection via +the check_* rulesets). In accordance with the RFC, the MSA will ensure +that all domains in envelope addresses are fully qualified if the message +is relayed to another MTA. It will also enforce the normal address syntax +rules and log error messages. Additionally, by using the M=a modifier you +can require authentication before messages are accepted by the MSA. +Notice: Do NOT use the 'a' modifier on a public accessible MTA! Finally, +the M=E modifier shown above disables ETRN as required by RFC 2476. + +Mail filters can be defined using the INPUT_MAIL_FILTER() and MAIL_FILTER() +commands: + + INPUT_MAIL_FILTER(`sample', `S=local:/var/run/f1.sock') + MAIL_FILTER(`myfilter', `S=inet:3333@localhost') + +The INPUT_MAIL_FILTER() command causes the filter(s) to be called in the +same order they were specified by also setting confINPUT_MAIL_FILTERS. A +filter can be defined without adding it to the input filter list by using +MAIL_FILTER() instead of INPUT_MAIL_FILTER() in your .mc file. +Alternatively, you can reset the list of filters and their order by setting +confINPUT_MAIL_FILTERS option after all INPUT_MAIL_FILTER() commands in +your .mc file. + + ++----------------------------+ +| MESSAGE SUBMISSION PROGRAM | ++----------------------------+ + +The purpose of the message submission program (MSP) is explained +in sendmail/SECURITY. This section contains a list of caveats and +a few hints how for those who want to tweak the default configuration +for it (which is installed as submit.cf). + +Notice: do not add options/features to submit.mc unless you are +absolutely sure you need them. Options you may want to change +include: + +- confTRUSTED_USERS, FEATURE(`use_ct_file'), and confCT_FILE for + avoiding X-Authentication warnings. +- confTIME_ZONE to change it from the default `USE_TZ'. +- confDELIVERY_MODE is set to interactive in msp.m4 instead + of the default background mode. +- FEATURE(stickyhost) and LOCAL_RELAY to send unqualified addresses + to the LOCAL_RELAY instead of the default relay. +- confRAND_FILE if you use STARTTLS and sendmail is not compiled with + the flag HASURANDOM. + +The MSP performs hostname canonicalization by default. As also +explained in sendmail/SECURITY, mail may end up for various DNS +related reasons in the MSP queue. This problem can be minimized by +using + + FEATURE(`nocanonify', `canonify_hosts') + define(`confDIRECT_SUBMISSION_MODIFIERS', `C') + +See the discussion about nocanonify for possible side effects. + +Some things are not intended to work with the MSP. These include +features that influence the delivery process (e.g., mailertable, +aliases), or those that are only important for a SMTP server (e.g., +virtusertable, DaemonPortOptions, multiple queues). Moreover, +relaxing certain restrictions (RestrictQueueRun, permissions on +queue directory) or adding features (e.g., enabling prog/file mailer) +can cause security problems. + +Other things don't work well with the MSP and require tweaking or +workarounds. For example, to allow for client authentication it +is not just sufficient to provide a client certificate and the +corresponding key, but it is also necessary to make the key group +(smmsp) readable and tell sendmail not to complain about that, i.e., + + define(`confDONT_BLAME_SENDMAIL', `GroupReadableKeyFile') + +If the MSP should actually use AUTH then the necessary data +should be placed in a map as explained in SMTP AUTHENTICATION: + +FEATURE(`authinfo', `DATABASE_MAP_TYPE /etc/mail/msp-authinfo') + +/etc/mail/msp-authinfo should contain an entry like: + + AuthInfo:127.0.0.1 "U:smmsp" "P:secret" "M:DIGEST-MD5" + +The file and the map created by makemap should be owned by smmsp, +its group should be smmsp, and it should have mode 640. The database +used by the MTA for AUTH must have a corresponding entry. +Additionally the MTA must trust this authentication data so the AUTH= +part will be relayed on to the next hop. This can be achieved by +adding the following to your sendmail.mc file: + + LOCAL_RULESETS + SLocal_trust_auth + R$* $: $&{auth_authen} + Rsmmsp $# OK + +Note: the authentication data can leak to local users who invoke +the MSP with debug options or even with -v. For that reason either +an authentication mechanism that does not show the password in the +AUTH dialogue (e.g., DIGEST-MD5) or a different authentication +method like STARTTLS should be used. + +feature/msp.m4 defines almost all settings for the MSP. Most of +those should not be changed at all. Some of the features and options +can be overridden if really necessary. It is a bit tricky to do +this, because it depends on the actual way the option is defined +in feature/msp.m4. If it is directly defined (i.e., define()) then +the modified value must be defined after + + FEATURE(`msp') + +If it is conditionally defined (i.e., ifdef()) then the desired +value must be defined before the FEATURE line in the .mc file. +To see how the options are defined read feature/msp.m4. + + ++--------------------------+ +| FORMAT OF FILES AND MAPS | ++--------------------------+ + +Files that define classes, i.e., F{classname}, consist of lines +each of which contains a single element of the class. For example, +/etc/mail/local-host-names may have the following content: + +my.domain +another.domain + +Maps must be created using makemap(8) , e.g., + + makemap hash MAP < MAP + +In general, a text file from which a map is created contains lines +of the form + +key value + +where 'key' and 'value' are also called LHS and RHS, respectively. +By default, the delimiter between LHS and RHS is a non-empty sequence +of white space characters. + + ++------------------+ +| DIRECTORY LAYOUT | ++------------------+ + +Within this directory are several subdirectories, to wit: + +m4 General support routines. These are typically + very important and should not be changed without + very careful consideration. + +cf The configuration files themselves. They have + ".mc" suffixes, and must be run through m4 to + become complete. The resulting output should + have a ".cf" suffix. + +ostype Definitions describing a particular operating + system type. These should always be referenced + using the OSTYPE macro in the .mc file. Examples + include "bsd4.3", "bsd4.4", "sunos3.5", and + "sunos4.1". + +domain Definitions describing a particular domain, referenced + using the DOMAIN macro in the .mc file. These are + site dependent; for example, "CS.Berkeley.EDU.m4" + describes hosts in the CS.Berkeley.EDU subdomain. + +mailer Descriptions of mailers. These are referenced using + the MAILER macro in the .mc file. + +sh Shell files used when building the .cf file from the + .mc file in the cf subdirectory. + +feature These hold special orthogonal features that you might + want to include. They should be referenced using + the FEATURE macro. + +hack Local hacks. These can be referenced using the HACK + macro. They shouldn't be of more than voyeuristic + interest outside the .Berkeley.EDU domain, but who knows? + +siteconfig Site configuration -- e.g., tables of locally connected + UUCP sites. + + ++------------------------+ +| ADMINISTRATIVE DETAILS | ++------------------------+ + +The following sections detail usage of certain internal parts of the +sendmail.cf file. Read them carefully if you are trying to modify +the current model. If you find the above descriptions adequate, these +should be {boring, confusing, tedious, ridiculous} (pick one or more). + +RULESETS (* means built in to sendmail) + + 0 * Parsing + 1 * Sender rewriting + 2 * Recipient rewriting + 3 * Canonicalization + 4 * Post cleanup + 5 * Local address rewrite (after aliasing) + 1x mailer rules (sender qualification) + 2x mailer rules (recipient qualification) + 3x mailer rules (sender header qualification) + 4x mailer rules (recipient header qualification) + 5x mailer subroutines (general) + 6x mailer subroutines (general) + 7x mailer subroutines (general) + 8x reserved + 90 Mailertable host stripping + 96 Bottom half of Ruleset 3 (ruleset 6 in old sendmail) + 97 Hook for recursive ruleset 0 call (ruleset 7 in old sendmail) + 98 Local part of ruleset 0 (ruleset 8 in old sendmail) + + +MAILERS + + 0 local, prog local and program mailers + 1 [e]smtp, relay SMTP channel + 2 uucp-* UNIX-to-UNIX Copy Program + 3 netnews Network News delivery + 4 fax Sam Leffler's HylaFAX software + 5 mail11 DECnet mailer + + +MACROS + + A + B Bitnet Relay + C DECnet Relay + D The local domain -- usually not needed + E reserved for X.400 Relay + F FAX Relay + G + H mail Hub (for mail clusters) + I + J + K + L Luser Relay + M Masquerade (who you claim to be) + N + O + P + Q + R Relay (for unqualified names) + S Smart Host + T + U my UUCP name (if you have a UUCP connection) + V UUCP Relay (class {V} hosts) + W UUCP Relay (class {W} hosts) + X UUCP Relay (class {X} hosts) + Y UUCP Relay (all other hosts) + Z Version number + + +CLASSES + + A + B domains that are candidates for bestmx lookup + C + D + E addresses that should not seem to come from $M + F hosts this system forward for + G domains that should be looked up in genericstable + H + I + J + K + L addresses that should not be forwarded to $R + M domains that should be mapped to $M + N host/domains that should not be mapped to $M + O operators that indicate network operations (cannot be in local names) + P top level pseudo-domains: BITNET, DECNET, FAX, UUCP, etc. + Q + R domains this system is willing to relay (pass anti-spam filters) + S + T + U locally connected UUCP hosts + V UUCP hosts connected to relay $V + W UUCP hosts connected to relay $W + X UUCP hosts connected to relay $X + Y locally connected smart UUCP hosts + Z locally connected domain-ized UUCP hosts + . the class containing only a dot + [ the class containing only a left bracket + + +M4 DIVERSIONS + + 1 Local host detection and resolution + 2 Local Ruleset 3 additions + 3 Local Ruleset 0 additions + 4 UUCP Ruleset 0 additions + 5 locally interpreted names (overrides $R) + 6 local configuration (at top of file) + 7 mailer definitions + 8 DNS based blacklists + 9 special local rulesets (1 and 2) + +$Revision: 8.694 $, Last updated $Date: 2005/03/23 21:41:09 $ diff --git a/contrib/sendmail-8.13.4/cf/cf/Makefile b/contrib/sendmail-8.13.4/cf/cf/Makefile new file mode 100644 index 0000000000..eb4f568707 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/Makefile @@ -0,0 +1,208 @@ +# +# Makefile for configuration files. +# +# $Id: Makefile,v 8.59 2004/08/06 03:54:05 gshapiro Exp $ +# + +# +# Create configuration files using "m4 ../m4/cf.m4 file.mc > file.cf"; +# this may be easier than tweaking the Makefile. You do need to +# have a fairly modern M4 available (GNU m4 works). On SunOS, use +# /usr/5bin/m4. +# + +# name of source for sendmail.cf (without extension) +CF= sendmail +# name of source for submit.cf (without extension) +SUBMIT= submit +# directory for .cf files +MAILDIR=/etc/mail +M4= m4 +CFDIR= .. +SED= sed +ECHO= echo +CHMOD= chmod +ROMODE= 444 +RM= rm -f +# use our own install program; should be really confINSTALL +INSTALL=../../devtools/bin/install.sh +# CF file ownership/permissions +CFOWN=root +CFGRP=bin +CFMODE=0444 + + +.SUFFIXES: .mc .cf + +.mc.cf: + $(RM) $@ + $(M4) ${CFDIR}/m4/cf.m4 $*.mc > $@ || ( $(RM) $@ && exit 1 ) + $(ECHO) "### $*.mc ###" >>$@ + $(SED) -e 's/^/# /' $*.mc >>$@ + $(CHMOD) $(ROMODE) $@ + +GENERIC=generic-bsd4.4.cf generic-hpux9.cf generic-hpux10.cf \ + generic-linux.cf generic-mpeix.cf generic-nextstep3.3.cf \ + generic-osf1.cf generic-solaris.cf \ + generic-sunos4.1.cf generic-ultrix4.cf +BERKELEY=cs-hpux9.cf cs-hpux10.cf cs-osf1.cf cs-solaris.cf \ + cs-sunos4.1.cf cs-ultrix4.cf \ + s2k-osf1.cf s2k-ultrix4.cf \ + chez.cs.cf huginn.cs.cf mail.cs.cf mail.eecs.cf mailspool.cs.cf \ + python.cs.cf ucbarpa.cf ucbvax.cf vangogh.cs.cf +OTHER= knecht.cf +ALL= submit.cf $(GENERIC) $(OTHER) + +all: $(ALL) + +berkeley: $(BERKELEY) +generic: $(GENERIC) +other: $(OTHER) + +clean cleandir: + $(RM) $(ALL) core + +install: + @echo "Before installing the .cf files please make sure you have read the" + @echo "instructions in the file ../../INSTALL. You should have prepared the" + @echo "files \"submit.mc\" (supplied) and \"sendmail.mc\". Then you can use" + @echo "" + @echo " make install-cf" + @echo "" + @echo "If you use a different name than \"sendmail\" for your main .mc file" + + @echo "then you should use" + @echo "" + @echo " make install-cf CF=config" + @echo "" + @echo "where \"config\" is the name of your main .mc file." + +install-cf: install-sendmail-cf install-submit-cf + +install-sendmail-cf: $(CF).cf + $(INSTALL) -c -o $(CFOWN) -g $(CFGRP) -m $(CFMODE) $(CF).cf ${DESTDIR}$(MAILDIR)/sendmail.cf + +install-submit-cf: $(SUBMIT).cf + $(INSTALL) -c -o $(CFOWN) -g $(CFGRP) -m $(CFMODE) $(SUBMIT).cf ${DESTDIR}$(MAILDIR)/submit.cf + +depend: + +# this is overkill, but.... +M4FILES=\ + ${CFDIR}/domain/Berkeley.EDU.m4 \ + ${CFDIR}/domain/CS.Berkeley.EDU.m4 \ + ${CFDIR}/domain/EECS.Berkeley.EDU.m4 \ + ${CFDIR}/domain/S2K.Berkeley.EDU.m4 \ + ${CFDIR}/domain/berkeley-only.m4 \ + ${CFDIR}/domain/generic.m4 \ + ${CFDIR}/feature/accept_unqualified_senders.m4 \ + ${CFDIR}/feature/accept_unresolvable_domains.m4 \ + ${CFDIR}/feature/access_db.m4 \ + ${CFDIR}/feature/allmasquerade.m4 \ + ${CFDIR}/feature/always_add_domain.m4 \ + ${CFDIR}/feature/bestmx_is_local.m4 \ + ${CFDIR}/feature/bitdomain.m4 \ + ${CFDIR}/feature/blacklist_recipients.m4 \ + ${CFDIR}/feature/conncontrol.m4 \ + ${CFDIR}/feature/dnsbl.m4 \ + ${CFDIR}/feature/domaintable.m4 \ + ${CFDIR}/feature/generics_entire_domain.m4 \ + ${CFDIR}/feature/genericstable.m4 \ + ${CFDIR}/feature/ldap_routing.m4 \ + ${CFDIR}/feature/limited_masquerade.m4 \ + ${CFDIR}/feature/local_lmtp.m4 \ + ${CFDIR}/feature/local_procmail.m4 \ + ${CFDIR}/feature/loose_relay_check.m4 \ + ${CFDIR}/feature/mailertable.m4 \ + ${CFDIR}/feature/masquerade_entire_domain.m4 \ + ${CFDIR}/feature/masquerade_envelope.m4 \ + ${CFDIR}/feature/no_default_msa.m4 \ + ${CFDIR}/feature/nocanonify.m4 \ + ${CFDIR}/feature/notsticky.m4 \ + ${CFDIR}/feature/nouucp.m4 \ + ${CFDIR}/feature/nullclient.m4 \ + ${CFDIR}/feature/promiscuous_relay.m4 \ + ${CFDIR}/feature/redirect.m4 \ + ${CFDIR}/feature/ratecontrol.m4 \ + ${CFDIR}/feature/relay_based_on_MX.m4 \ + ${CFDIR}/feature/relay_entire_domain.m4 \ + ${CFDIR}/feature/relay_hosts_only.m4 \ + ${CFDIR}/feature/relay_local_from.m4 \ + ${CFDIR}/feature/relay_mail_from.m4 \ + ${CFDIR}/feature/smrsh.m4 \ + ${CFDIR}/feature/stickyhost.m4 \ + ${CFDIR}/feature/use_ct_file.m4 \ + ${CFDIR}/feature/use_cw_file.m4 \ + ${CFDIR}/feature/uucpdomain.m4 \ + ${CFDIR}/feature/virtuser_entire_domain.m4 \ + ${CFDIR}/feature/virtusertable.m4 \ + ${CFDIR}/hack/cssubdomain.m4 \ + ${CFDIR}/m4/cf.m4 \ + ${CFDIR}/m4/cfhead.m4 \ + ${CFDIR}/m4/proto.m4 \ + ${CFDIR}/m4/version.m4 \ + ${CFDIR}/mailer/cyrus.m4 \ + ${CFDIR}/mailer/fax.m4 \ + ${CFDIR}/mailer/local.m4 \ + ${CFDIR}/mailer/mail11.m4 \ + ${CFDIR}/mailer/phquery.m4 \ + ${CFDIR}/mailer/pop.m4 \ + ${CFDIR}/mailer/procmail.m4 \ + ${CFDIR}/mailer/qpage.m4 \ + ${CFDIR}/mailer/smtp.m4 \ + ${CFDIR}/mailer/usenet.m4 \ + ${CFDIR}/mailer/uucp.m4 \ + ${CFDIR}/ostype/aix3.m4 \ + ${CFDIR}/ostype/aix4.m4 \ + ${CFDIR}/ostype/altos.m4 \ + ${CFDIR}/ostype/amdahl-uts.m4 \ + ${CFDIR}/ostype/a-ux.m4 \ + ${CFDIR}/ostype/bsd4.3.m4 \ + ${CFDIR}/ostype/bsd4.4.m4 \ + ${CFDIR}/ostype/bsdi.m4 \ + ${CFDIR}/ostype/bsdi1.0.m4 \ + ${CFDIR}/ostype/bsdi2.0.m4 \ + ${CFDIR}/ostype/dgux.m4 \ + ${CFDIR}/ostype/domainos.m4 \ + ${CFDIR}/ostype/dragonfly.m4 \ + ${CFDIR}/ostype/dynix3.2.m4 \ + ${CFDIR}/ostype/freebsd4.m4 \ + ${CFDIR}/ostype/freebsd5.m4 \ + ${CFDIR}/ostype/gnu.m4 \ + ${CFDIR}/ostype/hpux10.m4 \ + ${CFDIR}/ostype/hpux11.m4 \ + ${CFDIR}/ostype/hpux9.m4 \ + ${CFDIR}/ostype/irix4.m4 \ + ${CFDIR}/ostype/irix5.m4 \ + ${CFDIR}/ostype/irix6.m4 \ + ${CFDIR}/ostype/isc4.1.m4 \ + ${CFDIR}/ostype/linux.m4 \ + ${CFDIR}/ostype/maxion.m4 \ + ${CFDIR}/ostype/mklinux.m4 \ + ${CFDIR}/ostype/mpeix.m4 \ + ${CFDIR}/ostype/nextstep.m4 \ + ${CFDIR}/ostype/openbsd.m4 \ + ${CFDIR}/ostype/osf1.m4 \ + ${CFDIR}/ostype/powerux.m4 \ + ${CFDIR}/ostype/ptx2.m4 \ + ${CFDIR}/ostype/qnx.m4 \ + ${CFDIR}/ostype/riscos4.5.m4 \ + ${CFDIR}/ostype/sco-uw-2.1.m4 \ + ${CFDIR}/ostype/sco3.2.m4 \ + ${CFDIR}/ostype/sinix.m4 \ + ${CFDIR}/ostype/solaris2.m4 \ + ${CFDIR}/ostype/solaris2.ml.m4 \ + ${CFDIR}/ostype/solaris2.pre5.m4 \ + ${CFDIR}/ostype/solaris8.m4 \ + ${CFDIR}/ostype/sunos3.5.m4 \ + ${CFDIR}/ostype/sunos4.1.m4 \ + ${CFDIR}/ostype/svr4.m4 \ + ${CFDIR}/ostype/ultrix4.m4 \ + ${CFDIR}/ostype/unixware7.m4 \ + ${CFDIR}/ostype/unknown.m4 \ + ${CFDIR}/ostype/uxpds.m4 + +$(ALL): $(M4FILES) +$(BERKELEY): $(M4FILES) +$(GENERIC): $(M4FILES) +$(OTHER): $(M4FILES) diff --git a/contrib/sendmail-8.13.4/cf/cf/README b/contrib/sendmail-8.13.4/cf/cf/README new file mode 100644 index 0000000000..d0ac86559d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/README @@ -0,0 +1,34 @@ + + SENDMAIL CONFIGURATION FILES INSTALLATION + +This document describes how to install the sendmail configuration files. +Please see ../README about the sendmail configuration files themselves. + +By default you need two .mc files: sendmail.mc and submit.mc. The +latter is an OS independent configuration file for the mail submission +program (MSP). See ../README for details about both files. + +Installation of these two files can be done via: + + make install-cf + +If you use a different name than "sendmail" for your main .mc file" +then you should use + + make install-cf CF=config + +where "config" is the name of your main .mc file. + +The default installation directory is /etc/mail and can be changed +by specifying + + MAILDIR=/other/dir + +The name of the source file for "submit.cf" can be overridden by + + SUBMIT=msp + +For more details see Makefile. + + +$Revision: 1.2 $, Last updated $Date: 2002/02/22 00:33:54 $ diff --git a/contrib/sendmail-8.13.4/cf/cf/chez.cs.mc b/contrib/sendmail-8.13.4/cf/cf/chez.cs.mc new file mode 100644 index 0000000000..bb335a4909 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/chez.cs.mc @@ -0,0 +1,34 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in the Computer Science Division at Berkeley, and should +# not be used elsewhere. It is provided on the sendmail distribution +# as a sample only. +# +# This file is for a home machine that wants to masquerade as an +# on-campus machine. Additionally, all addresses without a hostname +# will be forwarded to that machine. +# + +divert(0)dnl +VERSIONID(`$Id: chez.cs.mc,v 8.14 1999/02/07 07:25:59 gshapiro Exp $') +OSTYPE(bsd4.4)dnl +DOMAIN(CS.Berkeley.EDU)dnl +define(`LOCAL_RELAY', vangogh.CS.Berkeley.EDU)dnl +MASQUERADE_AS(vangogh.CS.Berkeley.EDU)dnl +FEATURE(use_cw_file)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/clientproto.mc b/contrib/sendmail-8.13.4/cf/cf/clientproto.mc new file mode 100644 index 0000000000..ecdbddf2a4 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/clientproto.mc @@ -0,0 +1,29 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This the prototype for a "null client" -- that is, a client that +# does nothing except forward all mail to a mail hub. IT IS NOT +# USABLE AS IS!!! +# +# To use this, you MUST use the nullclient feature with the name of +# the mail hub as its argument. You MUST also define an `OSTYPE' to +# define the location of the queue directories and the like. +# + +divert(0)dnl +VERSIONID(`$Id: clientproto.mc,v 8.16 2000/03/21 21:05:26 ca Exp $') + +OSTYPE(unknown) +FEATURE(nullclient, mailhost.$m) diff --git a/contrib/sendmail-8.13.4/cf/cf/cs-hpux10.mc b/contrib/sendmail-8.13.4/cf/cf/cs-hpux10.mc new file mode 100644 index 0000000000..f384b5f7a0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cs-hpux10.mc @@ -0,0 +1,31 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for HP-UX 9.x. +# It applies only to the Computer Science Division at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: cs-hpux10.mc,v 8.13 1999/02/07 07:26:00 gshapiro Exp $') +OSTYPE(hpux10)dnl +DOMAIN(CS.Berkeley.EDU)dnl +define(`MAIL_HUB', mailspool.CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/cs-hpux9.mc b/contrib/sendmail-8.13.4/cf/cf/cs-hpux9.mc new file mode 100644 index 0000000000..664377e5ea --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cs-hpux9.mc @@ -0,0 +1,31 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for HP-UX 9.x. +# It applies only to the Computer Science Division at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: cs-hpux9.mc,v 8.14 1999/02/07 07:26:00 gshapiro Exp $') +OSTYPE(hpux9)dnl +DOMAIN(CS.Berkeley.EDU)dnl +define(`MAIL_HUB', mailspool.CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/cs-osf1.mc b/contrib/sendmail-8.13.4/cf/cf/cs-osf1.mc new file mode 100644 index 0000000000..09d6e49160 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cs-osf1.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for OSF/1. +# It applies only to the Computer Science Division at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: cs-osf1.mc,v 8.13 1999/02/07 07:26:00 gshapiro Exp $') +OSTYPE(osf1)dnl +DOMAIN(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/cs-solaris2.mc b/contrib/sendmail-8.13.4/cf/cf/cs-solaris2.mc new file mode 100644 index 0000000000..c802b50f89 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cs-solaris2.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for Solaris 2.x. +# It applies only to the Computer Science Division at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: cs-solaris2.mc,v 8.12 1999/02/07 07:26:00 gshapiro Exp $') +OSTYPE(solaris2)dnl +DOMAIN(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/cs-sunos4.1.mc b/contrib/sendmail-8.13.4/cf/cf/cs-sunos4.1.mc new file mode 100644 index 0000000000..6263e118e0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cs-sunos4.1.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for SunOS 4.1.x. +# It applies only to the Computer Science Division at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: cs-sunos4.1.mc,v 8.13 1999/02/07 07:26:01 gshapiro Exp $') +OSTYPE(sunos4.1)dnl +DOMAIN(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/cs-ultrix4.mc b/contrib/sendmail-8.13.4/cf/cf/cs-ultrix4.mc new file mode 100644 index 0000000000..7669823bf3 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cs-ultrix4.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for Ultrix 4.x. +# It applies only to the Computer Science Division at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: cs-ultrix4.mc,v 8.13 1999/02/07 07:26:02 gshapiro Exp $') +OSTYPE(ultrix4)dnl +DOMAIN(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/cyrusproto.mc b/contrib/sendmail-8.13.4/cf/cf/cyrusproto.mc new file mode 100644 index 0000000000..8fa00ceee8 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/cyrusproto.mc @@ -0,0 +1,40 @@ +divert(-1) +# +# (C) Copyright 1995 by Carnegie Mellon University +# +# All Rights Reserved +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose and without fee is hereby granted, +# provided that the above copyright notice appear in all copies and that +# both that copyright notice and this permission notice appear in +# supporting documentation, and that the name of CMU not be +# used in advertising or publicity pertaining to distribution of the +# software without specific, written prior permission. +# +# CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +# CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +# SOFTWARE. +# +# Contributed to Berkeley by John Gardiner Myers . +# +# This sample mc file is for a site that uses the Cyrus IMAP server +# exclusively for local mail. +# + +divert(0)dnl +VERSIONID(`$Id: cyrusproto.mc,v 8.7 1999/09/07 14:57:10 ca Exp $') +define(`confBIND_OPTS',`-DNSRCH -DEFNAMES') +define(`confLOCAL_MAILER', `cyrus') +FEATURE(`nocanonify') +FEATURE(`always_add_domain') +MAILER(`local') +MAILER(`smtp') +MAILER(`cyrus') + +LOCAL_RULE_0 +Rbb + $+ < @ $=w . > $#cyrusbb $: $1 diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-bsd4.4.mc b/contrib/sendmail-8.13.4/cf/cf/generic-bsd4.4.mc new file mode 100644 index 0000000000..18ea8b3b87 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-bsd4.4.mc @@ -0,0 +1,28 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for 4.4 BSD-based systems, +# including 4.4-Lite, BSDi, NetBSD, and FreeBSD. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-bsd4.4.mc,v 8.10 1999/02/07 07:26:02 gshapiro Exp $') +OSTYPE(bsd4.4)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-hpux10.mc b/contrib/sendmail-8.13.4/cf/cf/generic-hpux10.mc new file mode 100644 index 0000000000..deed5f14bc --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-hpux10.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for HP-UX 10.x. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-hpux10.mc,v 8.13 2001/05/29 17:29:52 ca Exp $') +OSTYPE(hpux10)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-hpux9.mc b/contrib/sendmail-8.13.4/cf/cf/generic-hpux9.mc new file mode 100644 index 0000000000..739207c714 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-hpux9.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for HP-UX 9.x. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-hpux9.mc,v 8.11 1999/02/07 07:26:02 gshapiro Exp $') +OSTYPE(hpux9)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-linux.mc b/contrib/sendmail-8.13.4/cf/cf/generic-linux.mc new file mode 100644 index 0000000000..f86e263082 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-linux.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for Linux. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-linux.mc,v 8.1 1999/09/24 22:48:05 gshapiro Exp $') +OSTYPE(linux)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-mpeix.mc b/contrib/sendmail-8.13.4/cf/cf/generic-mpeix.mc new file mode 100644 index 0000000000..fa5c57456a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-mpeix.mc @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for HP MPE/iX. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-mpeix.mc,v 8.1 2001/12/13 23:56:37 gshapiro Exp $') +OSTYPE(mpeix)dnl +DOMAIN(generic)dnl +define(`confFORWARD_PATH', `$z/.forward')dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-nextstep3.3.mc b/contrib/sendmail-8.13.4/cf/cf/generic-nextstep3.3.mc new file mode 100644 index 0000000000..14b46d387d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-nextstep3.3.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for NEXTSTEP 3.3 systems. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-nextstep3.3.mc,v 8.10 1999/02/07 07:26:02 gshapiro Exp $') +OSTYPE(nextstep)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-osf1.mc b/contrib/sendmail-8.13.4/cf/cf/generic-osf1.mc new file mode 100644 index 0000000000..9cd4e77b6a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-osf1.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for OSF/1. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-osf1.mc,v 8.11 1999/02/07 07:26:02 gshapiro Exp $') +OSTYPE(osf1)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-solaris.mc b/contrib/sendmail-8.13.4/cf/cf/generic-solaris.mc new file mode 100644 index 0000000000..5f82340e91 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-solaris.mc @@ -0,0 +1,29 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for SunOS 5.x (a.k.a. Solaris 2.x +# and Solaris 7 through the present version). +# +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-solaris.mc,v 8.13 2001/06/27 21:46:30 gshapiro Exp $') +OSTYPE(solaris2)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-sunos4.1.mc b/contrib/sendmail-8.13.4/cf/cf/generic-sunos4.1.mc new file mode 100644 index 0000000000..a27d099e04 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-sunos4.1.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for SunOS 4.1.x. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-sunos4.1.mc,v 8.11 1999/02/07 07:26:03 gshapiro Exp $') +OSTYPE(sunos4.1)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/generic-ultrix4.mc b/contrib/sendmail-8.13.4/cf/cf/generic-ultrix4.mc new file mode 100644 index 0000000000..913edb5860 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/generic-ultrix4.mc @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a generic configuration file for Ultrix 4.x. +# It has support for local and SMTP mail only. If you want to +# customize it, copy it to a name appropriate for your environment +# and do the modifications there. +# + +divert(0)dnl +VERSIONID(`$Id: generic-ultrix4.mc,v 8.11 1999/02/07 07:26:03 gshapiro Exp $') +OSTYPE(ultrix4)dnl +DOMAIN(generic)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/huginn.cs.mc b/contrib/sendmail-8.13.4/cf/cf/huginn.cs.mc new file mode 100644 index 0000000000..117a236af0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/huginn.cs.mc @@ -0,0 +1,43 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in the Computer Science Division at Berkeley, and should +# not be used elsewhere. It is provided on the sendmail distribution +# as a sample only. +# +# This file is for the backup CS Division mail server. +# + +divert(0)dnl +VERSIONID(`$Id: huginn.cs.mc,v 8.15 1999/02/07 07:26:03 gshapiro Exp $') +OSTYPE(hpux9)dnl +DOMAIN(CS.Berkeley.EDU)dnl +MASQUERADE_AS(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl + +LOCAL_CONFIG +DDBerkeley.EDU + +# hosts for which we accept and forward mail (must be in .Berkeley.EDU) +CF CS +FF/etc/sendmail.cw + +LOCAL_RULE_0 +R< @ $=F . $D . > : $* $@ $>7 $2 @here:... -> ... +R$* $=O $* < @ $=F . $D . > $@ $>7 $1 $2 $3 ...@here -> ... + +R$* < @ $=F . $D . > $#local $: $1 use UDB diff --git a/contrib/sendmail-8.13.4/cf/cf/knecht.mc b/contrib/sendmail-8.13.4/cf/cf/knecht.mc new file mode 100644 index 0000000000..98dbef9eea --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/knecht.mc @@ -0,0 +1,259 @@ +divert(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is specific to Eric's home machine. +# +# Run daemon with -bd -q5m +# + +divert(0) +VERSIONID(`$Id: knecht.mc,v 8.58 2004/01/28 00:54:41 eric Exp $') +OSTYPE(bsd4.4) +DOMAIN(generic) + +define(`ALIAS_FILE', ``/etc/mail/aliases, /etc/mail/lists/sendmail.org/aliases, /var/listmanager/aliases'') +define(`confFORWARD_PATH', `$z/.forward.$w:$z/.forward+$h:$z/.forward') +define(`confDEF_USER_ID', `mailnull') +define(`confHOST_STATUS_DIRECTORY', `.hoststat') +define(`confTO_ICONNECT', `10s') +define(`confTO_QUEUEWARN', `8h') +define(`confMIN_QUEUE_AGE', `27m') +define(`confTRUSTED_USERS', ``www listmgr'') +define(`confPRIVACY_FLAGS', ``authwarnings,noexpn,novrfy'') + +define(`CERT_DIR', `MAIL_SETTINGS_DIR`'certs') +define(`confCACERT_PATH', `CERT_DIR') +define(`confCACERT', `CERT_DIR/CAcert.pem') +define(`confSERVER_CERT', `CERT_DIR/MYcert.pem') +define(`confSERVER_KEY', `CERT_DIR/MYkey.pem') +define(`confCLIENT_CERT', `CERT_DIR/MYcert.pem') +define(`confCLIENT_KEY', `CERT_DIR/MYkey.pem') + +define(`CYRUS_MAILER_PATH', `/usr/local/cyrus/bin/deliver') + +FEATURE(access_db) +FEATURE(local_lmtp) +FEATURE(virtusertable) +FEATURE(mailertable) + +FEATURE(`nocanonify', `canonify_hosts') +CANONIFY_DOMAIN(`sendmail.org') +CANONIFY_DOMAIN_FILE(`/etc/mail/canonify-domains') + +dnl # at most 10 queue runners +define(`confMAX_QUEUE_CHILDREN', `20') + +define(`confMAX_RUNNERS_PER_QUEUE', `5') + +dnl # run at most 10 concurrent processes for initial submission +define(`confFAST_SPLIT', `10') + +dnl # 10 runners, split into at most 15 recipients per envelope +QUEUE_GROUP(`mqueue', `P=/var/spool/mqueue, R=5, r=15, F=f') + + +dnl # enable spam assassin +INPUT_MAIL_FILTER(`spamassassin', `S=local:/var/run/spamass-milter.sock, F=, T=C:15m;S:4m;R:4m;E:10m') + +MAILER(local) +MAILER(smtp) +MAILER(cyrus) + +LOCAL_RULE_0 +Rcyrus.$+ + $+ < @ $=w . > $#cyrus $@ $2 $: $1 +Rcyrus.$+ < @ $=w . > $#cyrus $: $1 + +LOCAL_CONFIG +# +# Regular expression to reject: +# * numeric-only localparts from aol.com and msn.com +# * localparts starting with a digit from juno.com +# +Kcheckaddress regex -a@MATCH + ^([0-9]+<@(aol|msn)\.com|[0-9][^<]*<@juno\.com)\.?> + +###################################################################### +# +# Names that won't be allowed in a To: line (local-part and domains) +# +C{RejectToLocalparts} friend you +C{RejectToDomains} public.com + +LOCAL_RULESETS +HTo: $>CheckTo + +SCheckTo +R$={RejectToLocalparts}@$* $#error $: "553 Header error" +R$*@$={RejectToDomains} $#error $: "553 Header error" + +###################################################################### +HMessage-Id: $>CheckMessageId + +SCheckMessageId +# Record the presence of the header +R$* $: $(storage {MessageIdCheck} $@ OK $) $1 + +# validate syntax +R< $+ @ $+ > $@ OK +R$* $#error $: "554 Header error" + + +###################################################################### +HReceived: $>CheckReceived + +SCheckReceived +# Record the presence of any Received header +R$* $: $(storage {ReceivedCheck} $@ OK $) $1 + +# check syntax +R$* ......................................................... $* + $#error $: "554 Header error" + +###################################################################### +# +# Reject advertising subjects +# + +Kadvsubj regex -b -a@MATCH ±?°í +HSubject: $>+CheckSubject +SCheckSubject +R$* $: $(advsubj $&{currHeader} $: OK $) +ROK $@ OK +R$* $#error $@ 5.7.0 $: 550 5.7.0 spam rejected. + +###################################################################### +# +# Reject certain senders +# Regex match to catch things in quotes +# +HFrom: $>+CheckFrom +KCheckFrom regex -a@MATCH + [^a-z]?(Net-Pa)[^a-z] + +SCheckFrom +R$* $: $( CheckFrom $1 $) +R@MATCH $#error $: "553 Header error" + +LOCAL_RULESETS +SLocal_check_mail +# check address against various regex checks +R$* $: $>Parse0 $>3 $1 +R$+ $: $(checkaddress $1 $) +R@MATCH $#error $: "553 Header error" + +# +# Following code from Anthony Howe . The check +# for the Outlook Express marker may hit some legal messages, but +# the Content-Disposition is clearly illegal. +# + +######################################################################### +# +# w32.sircam.worm@mm +# +# There are serveral patterns that appear common ONLY to SirCam worm and +# not to Outlook Express, which claims to have sent the worm. There are +# four headers that always appear together and in this order: +# +# X-MIMEOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 +# X-Mailer: Microsoft Outlook Express 5.50.4133.2400 +# Content-Type: multipart/mixed; boundary="----27AA9124_Outlook_Express_message_boundary" +# Content-Disposition: Multipart message +# +# Empirical study of the worm message headers vs. true Outlook Express +# (5.50.4133.2400 & 5.50.4522.1200) messages with multipart/mixed attachments +# shows Outlook Express does: +# +# a) NOT supply a Content-Disposition header for multipart/mixed messages. +# b) NOT specify the header X-MimeOLE header name in all-caps +# c) NOT specify boundary tag with the expression "_Outlook_Express_message_boundary" +# +# The solution below catches any one of this three issues. This is not an ideal +# solution, but a temporary measure. A correct solution would be to check for +# the presence of ALL three header attributes. Also the solution is incomplete +# since Outlook Express 5.0 and 4.0 were not compared. +# +# NOTE regex keys are first dequoted and spaces removed before matching. +# This caused me no end of grief. +# +######################################################################### + +LOCAL_RULESETS + +KSirCamWormMarker regex -f -aSUSPECT multipart/mixed;boundary=----.+_Outlook_Express_message_boundary +HContent-Type: $>CheckContentType + +###################################################################### +SCheckContentType +R$+ $: $(SirCamWormMarker $1 $) +RSUSPECT $#error $: "553 Possible virus, see http://www.symantec.com/avcenter/venc/data/w32.sircam.worm@mm.html" + +HContent-Disposition: $>CheckContentDisposition + +###################################################################### +SCheckContentDisposition +R$- $@ OK +R$- ; $+ $@ OK +R$* $#error $: "553 Illegal Content-Disposition" + + +# +# Sobig.F +# + +LOCAL_CONFIG +Kstorage macro + +LOCAL_RULESETS +###################################################################### +### check for the existance of the X-MailScanner Header +HX-MailScanner: $>+CheckXMSc +D{SobigFPat}Found to be clean +D{SobigFMsg}This message may contain the Sobig.F virus. + +SCheckXMSc +### if it exists, and the defined value is set, record the presence +R${SobigFPat} $* $: $(storage {SobigFCheck} $@ SobigF $) $1 +R$* $@ OK + +###################################################################### +Scheck_eoh +# Check if a Message-Id was found +R$* $: < $&{MessageIdCheck} > + +# If Message-Id was found clear the X-MailScanner store and return with OK +R< $+ > $@ OK $>ClearStorage + +# Are we the first Hop? +R$* $: < $&{ReceivedCheck} > +R< $+ > $@ OK $>ClearStorage + +# no Message-Id->check X-Mailscanner presence, too +R$* $: < $&{SobigFCheck} > + +# clear store +R$* $: $>ClearStorage $1 +# no msgid, first hop and Header found? -> reject the message +R < SobigF > $#error $: 553 ${SobigFMsg} + +# No Header! Fine, take the message +R$* $@ OK + +###################################################################### +SClearStorage +R$* $: $(storage {SobigFCheck} $) $1 +R$* $: $(storage {ReceivedCheck} $) $1 +R$* $: $(storage {MessageIdCheck} $) $1 +R$* $@ $1 diff --git a/contrib/sendmail-8.13.4/cf/cf/mail.cs.mc b/contrib/sendmail-8.13.4/cf/cf/mail.cs.mc new file mode 100644 index 0000000000..6bd778258c --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/mail.cs.mc @@ -0,0 +1,44 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in the Computer Science Division at Berkeley, and should +# not be used elsewhere. It is provided on the sendmail distribution +# as a sample only. +# +# This file is for the primary CS Division mail server. +# + +divert(0)dnl +VERSIONID(`$Id: mail.cs.mc,v 8.18 1999/02/07 07:26:04 gshapiro Exp $') +OSTYPE(ultrix4)dnl +DOMAIN(Berkeley.EDU)dnl +MASQUERADE_AS(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl +define(`confUSERDB_SPEC', ``/usr/local/lib/users.cs.db,/usr/local/lib/users.eecs.db'')dnl + +LOCAL_CONFIG +DDBerkeley.EDU + +# hosts for which we accept and forward mail (must be in .Berkeley.EDU) +CF CS +FF/etc/sendmail.cw + +LOCAL_RULE_0 +R< @ $=F . $D . > : $* $@ $>7 $2 @here:... -> ... +R$* $=O $* < @ $=F . $D . > $@ $>7 $1 $2 $3 ...@here -> ... + +R$* < @ $=F . $D . > $#local $: $1 use UDB diff --git a/contrib/sendmail-8.13.4/cf/cf/mail.eecs.mc b/contrib/sendmail-8.13.4/cf/cf/mail.eecs.mc new file mode 100644 index 0000000000..bf7d4081cc --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/mail.eecs.mc @@ -0,0 +1,44 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in Electrical Engineering and Computer Sciences at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. +# +# This file is for the primary EECS mail server. +# + +divert(0)dnl +VERSIONID(`$Id: mail.eecs.mc,v 8.18 1999/02/07 07:26:04 gshapiro Exp $') +OSTYPE(ultrix4)dnl +DOMAIN(EECS.Berkeley.EDU)dnl +MASQUERADE_AS(EECS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl +define(`confUSERDB_SPEC', `/usr/local/lib/users.eecs.db,/usr/local/lib/users.cs.db,/usr/local/lib/users.coe.db')dnl + +LOCAL_CONFIG +DDBerkeley.EDU + +# hosts for which we accept and forward mail (must be in .Berkeley.EDU) +CF EECS +FF/etc/sendmail.cw + +LOCAL_RULE_0 +R< @ $=F . $D . > : $* $@ $>7 $2 @here:... -> ... +R$* $=O $* < @ $=F . $D . > $@ $>7 $1 $2 $3 ...@here -> ... + +R$* < @ $=F . $D . > $#local $: $1 use UDB diff --git a/contrib/sendmail-8.13.4/cf/cf/mailspool.cs.mc b/contrib/sendmail-8.13.4/cf/cf/mailspool.cs.mc new file mode 100644 index 0000000000..0414e4c3fa --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/mailspool.cs.mc @@ -0,0 +1,37 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in the Computer Science Division at Berkeley, and should +# not be used elsewhere. It is provided on the sendmail distribution +# as a sample only. +# +# This file is for our mail spool machine. For a while we were using +# "root.machinename" instead of "root+machinename", so this is included +# for back compatibility. +# + +divert(0)dnl +VERSIONID(`$Id: mailspool.cs.mc,v 8.12 1999/02/07 07:26:04 gshapiro Exp $') +OSTYPE(sunos4.1)dnl +DOMAIN(CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl + +LOCAL_CONFIG +CDroot sys-custodian + +LOCAL_RULE_3 +R$=D . $+ $1 + $2 diff --git a/contrib/sendmail-8.13.4/cf/cf/python.cs.mc b/contrib/sendmail-8.13.4/cf/cf/python.cs.mc new file mode 100644 index 0000000000..c3b3e0da0e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/python.cs.mc @@ -0,0 +1,42 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in the Computer Science Division at Berkeley, and should +# not be used elsewhere. It is provided on the sendmail distribution +# as a sample only. +# +# This file is for a home machine that wants to masquerade as an +# on-campus machine. Additionally, all addresses without a hostname +# will be forwarded to that machine. +# + +divert(0)dnl +VERSIONID(`$Id: python.cs.mc,v 8.12 1999/02/07 07:26:04 gshapiro Exp $') +OSTYPE(bsd4.4)dnl +DOMAIN(CS.Berkeley.EDU)dnl +define(`LOCAL_RELAY', vangogh.CS.Berkeley.EDU)dnl +MASQUERADE_AS(vangogh.CS.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl + +# accept mail sent to the domain head +DDBostic.COM + +LOCAL_RULE_0 +# accept mail sent to the domain head +R< @ $D . > : $* $@ $>7 $1 @here:... -> ... +R$* $=O $* < @ $D . > $@ $>7 $1 $2 $3 ...@here -> ... +R$* < @ $D . > $#local $: $1 user@here -> user diff --git a/contrib/sendmail-8.13.4/cf/cf/s2k-osf1.mc b/contrib/sendmail-8.13.4/cf/cf/s2k-osf1.mc new file mode 100644 index 0000000000..6ec08feae8 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/s2k-osf1.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for OSF/1. +# It applies only to the Sequoia 2000 Project at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: s2k-osf1.mc,v 8.13 1999/02/07 07:26:04 gshapiro Exp $') +OSTYPE(osf1)dnl +DOMAIN(S2K.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/s2k-ultrix4.mc b/contrib/sendmail-8.13.4/cf/cf/s2k-ultrix4.mc new file mode 100644 index 0000000000..4bf4939795 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/s2k-ultrix4.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for Ultrix 4.x. +# It applies only to the Sequoia 2000 Project at Berkeley, +# and should not be used elsewhere. It is provided on the sendmail +# distribution as a sample only. To create your own configuration +# file, create an appropriate domain file in ../domain, change the +# `DOMAIN' macro below to reference that file, and copy the result +# to a name of your own choosing. +# + +divert(0)dnl +VERSIONID(`$Id: s2k-ultrix4.mc,v 8.13 1999/02/07 07:26:04 gshapiro Exp $') +OSTYPE(ultrix4)dnl +DOMAIN(S2K.Berkeley.EDU)dnl +MAILER(local)dnl +MAILER(smtp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/submit.cf b/contrib/sendmail-8.13.4/cf/cf/submit.cf new file mode 100644 index 0000000000..ca292e56ea --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/submit.cf @@ -0,0 +1,1452 @@ +# +# Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +###################################################################### +###################################################################### +##### +##### SENDMAIL CONFIGURATION FILE +##### +##### built by ca@wiz.smi.sendmail.com on Sun Mar 27 16:38:48 PST 2005 +##### in /extra/home/ca/sm-8.13.4/OpenSource/sendmail-8.13.4/cf/cf +##### using ../ as configuration include directory +##### +###################################################################### +##### +##### DO NOT EDIT THIS FILE! Only edit the source .mc file. +##### +###################################################################### +###################################################################### + +##### $Id: cfhead.m4,v 8.116 2004/01/28 22:02:22 ca Exp $ ##### +##### $Id: cf.m4,v 8.32 1999/02/07 07:26:14 gshapiro Exp $ ##### +##### $Id: submit.mc,v 8.13 2003/09/10 22:12:48 ca Exp $ ##### +##### $Id: msp.m4,v 1.33 2004/02/09 22:32:38 ca Exp $ ##### + +##### $Id: no_default_msa.m4,v 8.2 2001/02/14 05:03:22 gshapiro Exp $ ##### + + +##### $Id: proto.m4,v 8.711 2004/08/04 21:29:55 ca Exp $ ##### + +# level 10 config file format +V10/Berkeley + +# override file safeties - setting this option compromises system security, +# addressing the actual file configuration problem is preferred +# need to set this before any file actions are encountered in the cf file +#O DontBlameSendmail=safe + +# default LDAP map specification +# need to set this now before any LDAP maps are defined +#O LDAPDefaultSpec=-h localhost + +################## +# local info # +################## + +# my LDAP cluster +# need to set this before any LDAP lookups are done (including classes) +#D{sendmailMTACluster}$m + +Cwlocalhost + +# my official domain name +# ... define this only if sendmail cannot automatically determine your domain +#Dj$w.Foo.COM + +# host/domain names ending with a token in class P are canonical +CP. + +# "Smart" relay host (may be null) +DS + + +# operators that cannot be in local usernames (i.e., network indicators) +CO @ % ! + +# a class with just dot (for identifying canonical names) +C.. + +# a class with just a left bracket (for identifying domain literals) +C[[ + + +# Resolve map (to check if a host exists in check_mail) +Kresolve host -a -T +C{ResOk}OKR + + +# Hosts for which relaying is permitted ($=R) +FR-o /etc/mail/relay-domains + +# arithmetic map +Karith arith + + + + + +# dequoting map +Kdequote dequote + +# class E: names that should be exposed as from this host, even if we masquerade +# class L: names that should be delivered locally, even if we have a relay +# class M: domains that should be converted to $M +# class N: domains that should not be converted to $M +#CL root + + + +# my name for error messages +DnMAILER-DAEMON + + +D{MTAHost}[127.0.0.1] + + +# Configuration version number +DZ8.13.4/Submit + + +############### +# Options # +############### + +# strip message body to 7 bits on input? +O SevenBitInput=False + +# 8-bit data handling +#O EightBitMode=pass8 + +# wait for alias file rebuild (default units: minutes) +O AliasWait=10 + +# location of alias file +#O AliasFile=/etc/mail/aliases + +# minimum number of free blocks on filesystem +O MinFreeBlocks=100 + +# maximum message size +#O MaxMessageSize=0 + +# substitution for space (blank) characters +O BlankSub=. + +# avoid connecting to "expensive" mailers on initial submission? +O HoldExpensive=False + +# checkpoint queue runs after every N successful deliveries +#O CheckpointInterval=10 + +# default delivery mode +O DeliveryMode=i + +# error message header/file +#O ErrorHeader=/etc/mail/error-header + +# error mode +#O ErrorMode=print + +# save Unix-style "From_" lines at top of header? +#O SaveFromLine=False + +# queue file mode (qf files) +O QueueFileMode=0660 + +# temporary file mode +O TempFileMode=0600 + +# match recipients against GECOS field? +#O MatchGECOS=False + +# maximum hop count +#O MaxHopCount=25 + +# location of help file +O HelpFile=/etc/mail/helpfile + +# ignore dots as terminators in incoming messages? +#O IgnoreDots=False + +# name resolver options +#O ResolverOptions=+AAONLY + +# deliver MIME-encapsulated error messages? +O SendMimeErrors=True + +# Forward file search path +O ForwardPath + +# open connection cache size +O ConnectionCacheSize=2 + +# open connection cache timeout +O ConnectionCacheTimeout=5m + +# persistent host status directory +#O HostStatusDirectory=.hoststat + +# single thread deliveries (requires HostStatusDirectory)? +#O SingleThreadDelivery=False + +# use Errors-To: header? +O UseErrorsTo=False + +# log level +O LogLevel=9 + +# send to me too, even in an alias expansion? +#O MeToo=True + +# verify RHS in newaliases? +O CheckAliases=False + +# default messages to old style headers if no special punctuation? +O OldStyleHeaders=True + +# SMTP daemon options + +O DaemonPortOptions=Name=NoMTA, Addr=127.0.0.1, M=E + +# SMTP client options +#O ClientPortOptions=Family=inet, Address=0.0.0.0 + +# Modifiers to define {daemon_flags} for direct submissions +#O DirectSubmissionModifiers + +# Use as mail submission program? See sendmail/SECURITY +O UseMSP=True + +# privacy flags +O PrivacyOptions=goaway,noetrn,restrictqrun + +# who (if anyone) should get extra copies of error messages +#O PostmasterCopy=Postmaster + +# slope of queue-only function +#O QueueFactor=600000 + +# limit on number of concurrent queue runners +#O MaxQueueChildren + +# maximum number of queue-runners per queue-grouping with multiple queues +#O MaxRunnersPerQueue=1 + +# priority of queue runners (nice(3)) +#O NiceQueueRun + +# shall we sort the queue by hostname first? +#O QueueSortOrder=priority + +# minimum time in queue before retry +#O MinQueueAge=30m + +# how many jobs can you process in the queue? +#O MaxQueueRunSize=10000 + +# perform initial split of envelope without checking MX records +#O FastSplit=1 + +# queue directory +O QueueDirectory=/var/spool/clientmqueue + +# key for shared memory; 0 to turn off +#O SharedMemoryKey=0 + + + +# timeouts (many of these) +#O Timeout.initial=5m +#O Timeout.connect=5m +#O Timeout.aconnect=0s +#O Timeout.iconnect=5m +#O Timeout.helo=5m +#O Timeout.mail=10m +#O Timeout.rcpt=1h +#O Timeout.datainit=5m +#O Timeout.datablock=1h +#O Timeout.datafinal=1h +#O Timeout.rset=5m +#O Timeout.quit=2m +#O Timeout.misc=2m +#O Timeout.command=1h +#O Timeout.ident=5s +#O Timeout.fileopen=60s +#O Timeout.control=2m +O Timeout.queuereturn=5d +#O Timeout.queuereturn.normal=5d +#O Timeout.queuereturn.urgent=2d +#O Timeout.queuereturn.non-urgent=7d +#O Timeout.queuereturn.dsn=5d +O Timeout.queuewarn=4h +#O Timeout.queuewarn.normal=4h +#O Timeout.queuewarn.urgent=1h +#O Timeout.queuewarn.non-urgent=12h +#O Timeout.queuewarn.dsn=4h +#O Timeout.hoststatus=30m +#O Timeout.resolver.retrans=5s +#O Timeout.resolver.retrans.first=5s +#O Timeout.resolver.retrans.normal=5s +#O Timeout.resolver.retry=4 +#O Timeout.resolver.retry.first=4 +#O Timeout.resolver.retry.normal=4 +#O Timeout.lhlo=2m +#O Timeout.auth=10m +#O Timeout.starttls=1h + +# time for DeliverBy; extension disabled if less than 0 +#O DeliverByMin=0 + +# should we not prune routes in route-addr syntax addresses? +#O DontPruneRoutes=False + +# queue up everything before forking? +O SuperSafe=True + +# status file +O StatusFile=/var/spool/clientmqueue/sm-client.st + +# time zone handling: +# if undefined, use system default +# if defined but null, use TZ envariable passed in +# if defined and non-null, use that info +O TimeZoneSpec= + +# default UID (can be username or userid:groupid) +#O DefaultUser=mailnull + +# list of locations of user database file (null means no lookup) +#O UserDatabaseSpec=/etc/mail/userdb + +# fallback MX host +#O FallbackMXhost=fall.back.host.net + +# fallback smart host +#O FallbackSmartHost=fall.back.host.net + +# if we are the best MX host for a site, try it directly instead of config err +#O TryNullMXList=False + +# load average at which we just queue messages +#O QueueLA=8 + +# load average at which we refuse connections +#O RefuseLA=12 + +# log interval when refusing connections for this long +#O RejectLogInterval=3h + +# load average at which we delay connections; 0 means no limit +#O DelayLA=0 + +# maximum number of children we allow at one time +#O MaxDaemonChildren=0 + +# maximum number of new connections per second +#O ConnectionRateThrottle=0 + +# Width of the window +#O ConnectionRateWindowSize=60s + +# work recipient factor +#O RecipientFactor=30000 + +# deliver each queued job in a separate process? +#O ForkEachJob=False + +# work class factor +#O ClassFactor=1800 + +# work time factor +#O RetryFactor=90000 + +# default character set +#O DefaultCharSet=unknown-8bit + +# service switch file (name hardwired on Solaris, Ultrix, OSF/1, others) +#O ServiceSwitchFile=/etc/mail/service.switch + +# hosts file (normally /etc/hosts) +#O HostsFile=/etc/hosts + +# dialup line delay on connection failure +#O DialDelay=10s + +# action to take if there are no recipients in the message +#O NoRecipientAction=add-to-undisclosed + +# chrooted environment for writing to files +#O SafeFileEnvironment=/arch + +# are colons OK in addresses? +#O ColonOkInAddr=True + +# shall I avoid expanding CNAMEs (violates protocols)? +#O DontExpandCnames=False + +# SMTP initial login message (old $e macro) +O SmtpGreetingMessage=$j Sendmail $v/$Z; $b + +# UNIX initial From header format (old $l macro) +O UnixFromLine=From $g $d + +# From: lines that have embedded newlines are unwrapped onto one line +#O SingleLineFromHeader=False + +# Allow HELO SMTP command that does not include a host name +#O AllowBogusHELO=False + +# Characters to be quoted in a full name phrase (@,;:\()[] are automatic) +#O MustQuoteChars=. + +# delimiter (operator) characters (old $o macro) +O OperatorChars=.:%@!^/[]+ + +# shall I avoid calling initgroups(3) because of high NIS costs? +O DontInitGroups=True + +# are group-writable :include: and .forward files (un)trustworthy? +# True (the default) means they are not trustworthy. +#O UnsafeGroupWrites=True + + +# where do errors that occur when sending errors get sent? +#O DoubleBounceAddress=postmaster + +# where to save bounces if all else fails +#O DeadLetterDrop=/var/tmp/dead.letter + +# what user id do we assume for the majority of the processing? +O RunAsUser=smmsp + +# maximum number of recipients per SMTP envelope +#O MaxRecipientsPerMessage=0 + +# limit the rate recipients per SMTP envelope are accepted +# once the threshold number of recipients have been rejected +#O BadRcptThrottle=0 + +# shall we get local names from our installed interfaces? +O DontProbeInterfaces=True + +# Return-Receipt-To: header implies DSN request +#O RrtImpliesDsn=False + +# override connection address (for testing) +#O ConnectOnlyTo=0.0.0.0 + +# Trusted user for file ownership and starting the daemon +O TrustedUser=smmsp + +# Control socket for daemon management +#O ControlSocketName=/var/spool/mqueue/.control + +# Maximum MIME header length to protect MUAs +#O MaxMimeHeaderLength=0/0 + +# Maximum length of the sum of all headers +#O MaxHeadersLength=32768 + +# Maximum depth of alias recursion +#O MaxAliasRecursion=10 + +# location of pid file +O PidFile=/var/spool/clientmqueue/sm-client.pid + +# Prefix string for the process title shown on 'ps' listings +#O ProcessTitlePrefix=prefix + +# Data file (df) memory-buffer file maximum size +#O DataFileBufferSize=4096 + +# Transcript file (xf) memory-buffer file maximum size +#O XscriptFileBufferSize=4096 + +# lookup type to find information about local mailboxes +#O MailboxDatabase=pw + +# override compile time flag REQUIRES_DIR_FSYNC +#O RequiresDirfsync=true + +# list of authentication mechanisms +#O AuthMechanisms=EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5 + +# Authentication realm +#O AuthRealm + +# default authentication information for outgoing connections +#O DefaultAuthInfo=/etc/mail/default-auth-info + +# SMTP AUTH flags +#O AuthOptions + +# SMTP AUTH maximum encryption strength +#O AuthMaxBits + +# SMTP STARTTLS server options +#O TLSSrvOptions + +# Input mail filters +#O InputMailFilters + + +# CA directory +#O CACertPath +# CA file +#O CACertFile +# Server Cert +#O ServerCertFile +# Server private key +#O ServerKeyFile +# Client Cert +#O ClientCertFile +# Client private key +#O ClientKeyFile +# File containing certificate revocation lists +#O CRLFile +# DHParameters (only required if DSA/DH is used) +#O DHParameters +# Random data source (required for systems without /dev/urandom under OpenSSL) +#O RandFile + +############################ +# QUEUE GROUP DEFINITIONS # +############################ + + +########################### +# Message precedences # +########################### + +Pfirst-class=0 +Pspecial-delivery=100 +Plist=-30 +Pbulk=-60 +Pjunk=-100 + +##################### +# Trusted users # +##################### + +# this is equivalent to setting class "t" +#Ft/etc/mail/trusted-users +Troot +Tdaemon +Tuucp + +######################### +# Format of headers # +######################### + +H?P?Return-Path: <$g> +HReceived: $?sfrom $s $.$?_($?s$|from $.$_) + $.$?{auth_type}(authenticated$?{auth_ssf} bits=${auth_ssf}$.) + $.by $j ($v/$Z)$?r with $r$. id $i$?{tls_version} + (version=${tls_version} cipher=${cipher} bits=${cipher_bits} verify=${verify})$.$?u + for $u; $|; + $.$b +H?D?Resent-Date: $a +H?D?Date: $a +H?F?Resent-From: $?x$x <$g>$|$g$. +H?F?From: $?x$x <$g>$|$g$. +H?x?Full-Name: $x +# HPosted-Date: $a +# H?l?Received-Date: $b +H?M?Resent-Message-Id: <$t.$i@$j> +H?M?Message-Id: <$t.$i@$j> + +# +###################################################################### +###################################################################### +##### +##### REWRITING RULES +##### +###################################################################### +###################################################################### + +############################################ +### Ruleset 3 -- Name Canonicalization ### +############################################ +Scanonify=3 + +# handle null input (translate to <@> special case) +R$@ $@ <@> + +# strip group: syntax (not inside angle brackets!) and trailing semicolon +R$* $: $1 <@> mark addresses +R$* < $* > $* <@> $: $1 < $2 > $3 unmark +R@ $* <@> $: @ $1 unmark @host:... +R$* [ IPv6 : $+ ] <@> $: $1 [ IPv6 : $2 ] unmark IPv6 addr +R$* :: $* <@> $: $1 :: $2 unmark node::addr +R:include: $* <@> $: :include: $1 unmark :include:... +R$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon +R$* : $* <@> $: $2 strip colon if marked +R$* <@> $: $1 unmark +R$* ; $1 strip trailing semi +R$* < $+ :; > $* $@ $2 :; <@> catch +R$* < $* ; > $1 < $2 > bogus bracketed semi + +# null input now results from list:; syntax +R$@ $@ :; <@> + +# strip angle brackets -- note RFC733 heuristic to get innermost item +R$* $: < $1 > housekeeping <> +R$+ < $* > < $2 > strip excess on left +R< $* > $+ < $1 > strip excess on right +R<> $@ < @ > MAIL FROM:<> case +R< $+ > $: $1 remove housekeeping <> + +# strip route address <@a,@b,@c:user@d> -> +R@ $+ , $+ $2 +R@ [ $* ] : $+ $2 +R@ $+ : $+ $2 + +# find focus for list syntax +R $+ : $* ; @ $+ $@ $>Canonify2 $1 : $2 ; < @ $3 > list syntax +R $+ : $* ; $@ $1 : $2; list syntax + +# find focus for @ syntax addresses +R$+ @ $+ $: $1 < @ $2 > focus on domain +R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right +R$+ < @ $+ > $@ $>Canonify2 $1 < @ $2 > already canonical + + +# convert old-style addresses to a domain-based address +R$- ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > resolve uucp names +R$+ . $- ! $+ $@ $>Canonify2 $3 < @ $1 . $2 > domain uucps +R$+ ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > uucp subdomains + +# convert node::user addresses into a domain-based address +R$- :: $+ $@ $>Canonify2 $2 < @ $1 .DECNET > resolve DECnet names +R$- . $- :: $+ $@ $>Canonify2 $3 < @ $1.$2 .DECNET > numeric DECnet addr + +# if we have % signs, take the rightmost one +R$* % $* $1 @ $2 First make them all @s. +R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last. +R$* @ $* $@ $>Canonify2 $1 < @ $2 > Insert < > and finish + +# else we must be a local name +R$* $@ $>Canonify2 $1 + + +################################################ +### Ruleset 96 -- bottom half of ruleset 3 ### +################################################ + +SCanonify2=96 + +# handle special cases for local names +R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all +R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain +R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain + +# check for IPv4/IPv6 domain literal +R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [addr] +R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal +R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr + + + + + +# if really UUCP, handle it immediately + +# try UUCP traffic as a local address +R$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3 +R$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3 + +# hostnames ending in class P are always canonical +R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4 +R$* < @ $* $~P > $* $: $&{daemon_flags} $| $1 < @ $2 $3 > $4 +R$* CC $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 +R$* CC $* $| $* $: $3 +# pass to name server to make hostname canonical +R$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4 +R$* $| $* $: $2 + +# local host aliases and pseudo-domains are always canonical +R$* < @ $=w > $* $: $1 < @ $2 . > $3 +R$* < @ $=M > $* $: $1 < @ $2 . > $3 +R$* < @ $* . . > $* $1 < @ $2 . > $3 + + +################################################## +### Ruleset 4 -- Final Output Post-rewriting ### +################################################## +Sfinal=4 + +R$+ :; <@> $@ $1 : handle +R$* <@> $@ handle <> and list:; + +# strip trailing dot off possibly canonical name +R$* < @ $+ . > $* $1 < @ $2 > $3 + +# eliminate internal code +R$* < @ *LOCAL* > $* $1 < @ $j > $2 + +# externalize local domain info +R$* < $+ > $* $1 $2 $3 defocus +R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 canonical +R@ $* $@ @ $1 ... and exit + +# UUCP must always be presented in old form +R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u + +# put DECnet back in :: form +R$+ @ $+ . DECNET $2 :: $1 u@h.DECNET => h::u +# delete duplicate local names +R$+ % $=w @ $=w $1 @ $2 u%host@host => u@host + + + +############################################################## +### Ruleset 97 -- recanonicalize and call ruleset zero ### +### (used for recursive calls) ### +############################################################## + +SRecurse=97 +R$* $: $>canonify $1 +R$* $@ $>parse $1 + + +###################################### +### Ruleset 0 -- Parse Address ### +###################################### + +Sparse=0 + +R$* $: $>Parse0 $1 initial parsing +R<@> $#local $: <@> special case error msgs +R$* $: $>ParseLocal $1 handle local hacks +R$* $: $>Parse1 $1 final parsing + +# +# Parse0 -- do initial syntax checking and eliminate local addresses. +# This should either return with the (possibly modified) input +# or return with a #error mailer. It should not return with a +# #mailer other than the #error mailer. +# + +SParse0 +R<@> $@ <@> special case error msgs +R$* : $* ; <@> $#error $@ 5.1.3 $: "553 List:; syntax illegal for recipient addresses" +R@ <@ $* > < @ $1 > catch "@@host" bogosity +R<@ $+> $#error $@ 5.1.3 $: "553 User address required" +R$+ <@> $#error $@ 5.1.3 $: "553 Hostname required" +R$* $: <> $1 +R<> $* < @ [ $* ] : $+ > $* $1 < @ [ $2 ] : $3 > $4 +R<> $* < @ [ $* ] , $+ > $* $1 < @ [ $2 ] , $3 > $4 +R<> $* < @ [ $* ] $+ > $* $#error $@ 5.1.2 $: "553 Invalid address" +R<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3 +R<> $* <$* : $* > $* $#error $@ 5.1.3 $: "553 Colon illegal in host name part" +R<> $* $1 +R$* < @ . $* > $* $#error $@ 5.1.2 $: "553 Invalid host name" +R$* < @ $* .. $* > $* $#error $@ 5.1.2 $: "553 Invalid host name" +R$* < @ $* @ > $* $#error $@ 5.1.2 $: "553 Invalid route address" +R$* @ $* < @ $* > $* $#error $@ 5.1.3 $: "553 Invalid route address" +R$* , $~O $* $#error $@ 5.1.3 $: "553 Invalid route address" + + +# now delete the local info -- note $=O to find characters that cause forwarding +R$* < @ > $* $@ $>Parse0 $>canonify $1 user@ => user +R< @ $=w . > : $* $@ $>Parse0 $>canonify $2 @here:... -> ... +R$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here +R< @ $+ > $#error $@ 5.1.3 $: "553 User address required" +R$* $=O $* < @ $=w . > $@ $>Parse0 $>canonify $1 $2 $3 ...@here -> ... +R$- $: $(dequote $1 $) < @ *LOCAL* > dequote "foo" +R< @ *LOCAL* > $#error $@ 5.1.3 $: "553 User address required" +R$* $=O $* < @ *LOCAL* > + $@ $>Parse0 $>canonify $1 $2 $3 ...@*LOCAL* -> ... +R$* < @ *LOCAL* > $: $1 + +# +# Parse1 -- the bottom half of ruleset 0. +# + +SParse1 + +# handle numeric address spec +R$* < @ [ $+ ] > $* $: $>ParseLocal $1 < @ [ $2 ] > $3 numeric internet spec +R$* < @ [ $+ ] > $* $: $1 < @ [ $2 ] : $S > $3 Add smart host to path +R$* < @ [ $+ ] : > $* $#esmtp $@ [$2] $: $1 < @ [$2] > $3 no smarthost: send +R$* < @ [ $+ ] : $- : $*> $* $#$3 $@ $4 $: $1 < @ [$2] > $5 smarthost with mailer +R$* < @ [ $+ ] : $+ > $* $#esmtp $@ $3 $: $1 < @ [$2] > $4 smarthost without mailer + + +# short circuit local delivery so forwarded email works + + +R$=L < @ $=w . > $#local $: @ $1 special local names +R$+ < @ $=w . > $#local $: $1 regular local name + + +# resolve remotely connected UUCP links (if any) + +# resolve fake top level domains by forwarding to other hosts + + + +# pass names that still have a host to a smarthost (if defined) +R$* < @ $* > $* $: $>MailerToTriple < $S > $1 < @ $2 > $3 glue on smarthost name + +# deal with other remote names +R$* < @$* > $* $#esmtp $@ $2 $: $1 < @ $2 > $3 user@host.domain + +# handle locally delivered names +R$=L $#local $: @ $1 special local names +R$+ $#local $: $1 regular local names + +########################################################################### +### Ruleset 5 -- special rewriting after aliases have been expanded ### +########################################################################### + +SLocal_localaddr +Slocaladdr=5 +R$+ $: $1 $| $>"Local_localaddr" $1 +R$+ $| $#ok $@ $1 no change +R$+ $| $#$* $#$2 +R$+ $| $* $: $1 + + + + +# deal with plussed users so aliases work nicely +R$+ + * $#local $@ $&h $: $1 +R$+ + $* $#local $@ + $2 $: $1 + * + +# prepend an empty "forward host" on the front +R$+ $: <> $1 + + + +R< > $+ $: < > < $1 <> $&h > nope, restore +detail + +R< > < $+ <> + $* > $: < > < $1 + $2 > check whether +detail +R< > < $+ <> $* > $: < > < $1 > else discard +R< > < $+ + $* > $* < > < $1 > + $2 $3 find the user part +R< > < $+ > + $* $#local $@ $2 $: @ $1 strip the extra + +R< > < $+ > $@ $1 no +detail +R$+ $: $1 <> $&h add +detail back in + +R$+ <> + $* $: $1 + $2 check whether +detail +R$+ <> $* $: $1 else discard +R< local : $* > $* $: $>MailerToTriple < local : $1 > $2 no host extension +R< error : $* > $* $: $>MailerToTriple < error : $1 > $2 no host extension + +R< $~[ : $+ > $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $2 > + +R< $+ > $+ $@ $>MailerToTriple < $1 > $2 < @ $1 > + + +################################################################### +### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ### +################################################################### + +SMailerToTriple=95 +R< > $* $@ $1 strip off null relay +R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 +R< error : $- : $+ > $* $#error $@ $(dequote $1 $) $: $2 +R< error : $+ > $* $#error $: $1 +R< local : $* > $* $>CanonLocal < $1 > $2 +R< $~[ : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user +R< $~[ : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer +R< $=w > $* $@ $2 delete local host +R< $+ > $* $#relay $@ $1 $: $2 use unqualified mailer + +################################################################### +### Ruleset CanonLocal -- canonify local: syntax ### +################################################################### + +SCanonLocal +# strip local host from routed addresses +R< $* > < @ $+ > : $+ $@ $>Recurse $3 +R< $* > $+ $=O $+ < @ $+ > $@ $>Recurse $2 $3 $4 + +# strip trailing dot from any host name that may appear +R< $* > $* < @ $* . > $: < $1 > $2 < @ $3 > + +# handle local: syntax -- use old user, either with or without host +R< > $* < @ $* > $* $#local $@ $1@$2 $: $1 +R< > $+ $#local $@ $1 $: $1 + +# handle local:user@host syntax -- ignore host part +R< $+ @ $+ > $* < @ $* > $: < $1 > $3 < @ $4 > + +# handle local:user syntax +R< $+ > $* <@ $* > $* $#local $@ $2@$3 $: $1 +R< $+ > $* $#local $@ $2 $: $1 + +################################################################### +### Ruleset 93 -- convert header names to masqueraded form ### +################################################################### + +SMasqHdr=93 + + +# do not masquerade anything in class N +R$* < @ $* $=N . > $@ $1 < @ $2 $3 . > + +R$* < @ *LOCAL* > $@ $1 < @ $j . > + +################################################################### +### Ruleset 94 -- convert envelope names to masqueraded form ### +################################################################### + +SMasqEnv=94 +R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2 + +################################################################### +### Ruleset 98 -- local part of ruleset zero (can be null) ### +################################################################### + +SParseLocal=98 + + + + +###################################################################### +### CanonAddr -- Convert an address into a standard form for +### relay checking. Route address syntax is +### crudely converted into a %-hack address. +### +### Parameters: +### $1 -- full recipient address +### +### Returns: +### parsed address, not in source route form +###################################################################### + +SCanonAddr +R$* $: $>Parse0 $>canonify $1 make domain canonical + + +###################################################################### +### ParseRecipient -- Strip off hosts in $=R as well as possibly +### $* $=m or the access database. +### Check user portion for host separators. +### +### Parameters: +### $1 -- full recipient address +### +### Returns: +### parsed, non-local-relaying address +###################################################################### + +SParseRecipient +R$* $: $>CanonAddr $1 +R $* < @ $* . > $1 < @ $2 > strip trailing dots +R $- < @ $* > $: $(dequote $1 $) < @ $2 > dequote local part + +# if no $=O character, no host in the user portion, we are done +R $* $=O $* < @ $* > $: $1 $2 $3 < @ $4> +R $* $@ $1 + + +R $* < @ $* $=R > $: $1 < @ $2 $3 > + + + +R $* < @ $* > $@ $>ParseRecipient $1 +R<$+> $* $@ $2 + + +###################################################################### +### check_relay -- check hostname/address on SMTP startup +###################################################################### + + + +SLocal_check_relay +Scheck_relay +R$* $: $1 $| $>"Local_check_relay" $1 +R$* $| $* $| $#$* $#$3 +R$* $| $* $| $* $@ $>"Basic_check_relay" $1 $| $2 + +SBasic_check_relay +# check for deferred delivery mode +R$* $: < $&{deliveryMode} > $1 +R< d > $* $@ deferred +R< $* > $* $: $2 + + + + +###################################################################### +### check_mail -- check SMTP `MAIL FROM:' command argument +###################################################################### + +SLocal_check_mail +Scheck_mail +R$* $: $1 $| $>"Local_check_mail" $1 +R$* $| $#$* $#$2 +R$* $| $* $@ $>"Basic_check_mail" $1 + +SBasic_check_mail +# check for deferred delivery mode +R$* $: < $&{deliveryMode} > $1 +R< d > $* $@ deferred +R< $* > $* $: $2 + +# authenticated? +R$* $: $1 $| $>"tls_client" $&{verify} $| MAIL +R$* $| $#$+ $#$2 +R$* $| $* $: $1 + +R<> $@ we MUST accept <> (RFC 1123) +R$+ $: $1 +R<$+> $: <@> <$1> +R$+ $: <@> <$1> +R$* $: $&{daemon_flags} $| $1 +R$* f $* $| <@> < $* @ $- > $: < ? $&{client_name} > < $3 @ $4 > +R$* u $* $| <@> < $* > $: < $3 > +R$* $| $* $: $2 +# handle case of @localhost on address +R<@> < $* @ localhost > $: < ? $&{client_name} > < $1 @ localhost > +R<@> < $* @ [127.0.0.1] > + $: < ? $&{client_name} > < $1 @ [127.0.0.1] > +R<@> < $* @ localhost.$m > + $: < ? $&{client_name} > < $1 @ localhost.$m > +R<@> < $* @ localhost.UUCP > + $: < ? $&{client_name} > < $1 @ localhost.UUCP > +R<@> $* $: $1 no localhost as domain +R $* $: $2 local client: ok +R <$+> $#error $@ 5.5.4 $: "553 Real domain name required for sender address" +R $* $: $1 +R$* $: $>CanonAddr $1 canonify sender address and mark it +R $* < @ $+ . > $1 < @ $2 > strip trailing dots +# handle non-DNS hostnames (*.bitnet, *.decnet, *.uucp, etc) +R $* < @ $* $=P > $: $1 < @ $2 $3 > +R $* < @ $j > $: $1 < @ $j > +R $* < @ $+ > $: $) > $1 < @ $2 > +R> $* < @ $+ > + $: <$2> $3 < @ $4 > + + +# handle case of no @domain on address +R $* $: $&{daemon_flags} $| $1 +R$* u $* $| $* $: $3 +R$* $| $* $: $2 +R $* $: < ? $&{client_addr} > $1 +R $* $@ ...local unqualed ok +R $* $#error $@ 5.5.4 $: "553 Domain name required for sender address " $&f + ...remote is not +# check results +R $* $: @ $1 mark address: nothing known about it +R<$={ResOk}> $* $@ domain ok: stop +R $* $#error $@ 4.1.8 $: "451 Domain of sender address " $&f " does not resolve" +R $* $#error $@ 5.1.8 $: "553 Domain of sender address " $&f " does not exist" + +###################################################################### +### check_rcpt -- check SMTP `RCPT TO:' command argument +###################################################################### + +SLocal_check_rcpt +Scheck_rcpt +R$* $: $1 $| $>"Local_check_rcpt" $1 +R$* $| $#$* $#$2 +R$* $| $* $@ $>"Basic_check_rcpt" $1 + +SBasic_check_rcpt +# empty address? +R<> $#error $@ nouser $: "553 User address required" +R$@ $#error $@ nouser $: "553 User address required" +# check for deferred delivery mode +R$* $: < $&{deliveryMode} > $1 +R< d > $* $@ deferred +R< $* > $* $: $2 + + +###################################################################### +R$* $: $1 $| @ $>"Rcpt_ok" $1 +R$* $| @ $#TEMP $+ $: $1 $| T $2 +R$* $| @ $#$* $#$2 +R$* $| @ RELAY $@ RELAY +R$* $| @ $* $: O $| $>"Relay_ok" $1 +R$* $| T $+ $: T $2 $| $>"Relay_ok" $1 +R$* $| $#TEMP $+ $#error $2 +R$* $| $#$* $#$2 +R$* $| RELAY $@ RELAY +R T $+ $| $* $#error $1 +# anything else is bogus +R$* $#error $@ 5.7.1 $: "550 Relaying denied" + + +###################################################################### +### Rcpt_ok: is the recipient ok? +###################################################################### +SRcpt_ok +R$* $: $>ParseRecipient $1 strip relayable hosts + + + + +# authenticated via TLS? +R$* $: $1 $| $>RelayTLS client authenticated? +R$* $| $# $+ $# $2 error/ok? +R$* $| $* $: $1 no + +R$* $: $1 $| $>"Local_Relay_Auth" $&{auth_type} +R$* $| $# $* $# $2 +R$* $| NO $: $1 +R$* $| $* $: $1 $| $&{auth_type} +R$* $| $: $1 +R$* $| $={TrustAuthMech} $# RELAY +R$* $| $* $: $1 +# anything terminating locally is ok +R$+ < @ $=w > $@ RELAY +R$+ < @ $* $=R > $@ RELAY + + + + +# check for local user (i.e. unqualified address) +R$* $: $1 +R $* < @ $+ > $: $1 < @ $2 > +# local user is ok +R $+ $@ RELAY +R<$+> $* $: $2 + +###################################################################### +### Relay_ok: is the relay/sender ok? +###################################################################### +SRelay_ok +# anything originating locally is ok +# check IP address +R$* $: $&{client_addr} +R$@ $@ RELAY originated locally +R0 $@ RELAY originated locally +R127.0.0.1 $@ RELAY originated locally +RIPv6:::1 $@ RELAY originated locally +R$=R $* $@ RELAY relayable IP address +R$* $: [ $1 ] put brackets around it... +R$=w $@ RELAY ... and see if it is local + + +# check client name: first: did it resolve? +R$* $: < $&{client_resolve} > +R $#TEMP $@ 4.4.0 $: "450 Relaying temporarily denied. Cannot resolve PTR record for " $&{client_addr} +R $#error $@ 5.7.1 $: "550 Relaying denied. IP name possibly forged " $&{client_name} +R $#error $@ 5.7.1 $: "550 Relaying denied. IP name lookup failed " $&{client_name} +R$* $: <@> $&{client_name} +# pass to name server to make hostname canonical +R<@> $* $=P $: $1 $2 +R<@> $+ $: $[ $1 $] +R$* . $1 strip trailing dots +R $=w $@ RELAY +R $* $=R $@ RELAY + + + + +###################################################################### +### trust_auth: is user trusted to authenticate as someone else? +### +### Parameters: +### $1: AUTH= parameter from MAIL command +###################################################################### + +SLocal_trust_auth +Strust_auth +R$* $: $&{auth_type} $| $1 +# required by RFC 2554 section 4. +R$@ $| $* $#error $@ 5.7.1 $: "550 not authenticated" +R$* $| $&{auth_authen} $@ identical +R$* $| <$&{auth_authen}> $@ identical +R$* $| $* $: $1 $| $>"Local_trust_auth" $2 +R$* $| $#$* $#$2 +R$* $#error $@ 5.7.1 $: "550 " $&{auth_authen} " not allowed to act as " $&{auth_author} + +###################################################################### +### Relay_Auth: allow relaying based on authentication? +### +### Parameters: +### $1: ${auth_type} +###################################################################### +SLocal_Relay_Auth + +###################################################################### +### srv_features: which features to offer to a client? +### (done in server) +###################################################################### +Ssrv_features + + +###################################################################### +### try_tls: try to use STARTTLS? +### (done in client) +###################################################################### +Stry_tls + + +###################################################################### +### tls_rcpt: is connection with server "good" enough? +### (done in client, per recipient) +### +### Parameters: +### $1: recipient +###################################################################### +Stls_rcpt + + +###################################################################### +### tls_client: is connection with client "good" enough? +### (done in server) +### +### Parameters: +### ${verify} $| (MAIL|STARTTLS) +###################################################################### +Stls_client +R$* $| $* $@ $>"TLS_connection" $1 + +###################################################################### +### tls_server: is connection with server "good" enough? +### (done in client) +### +### Parameter: +### ${verify} +###################################################################### +Stls_server +R$* $@ $>"TLS_connection" $1 + +###################################################################### +### TLS_connection: is TLS connection "good" enough? +### +### Parameters: +### ${verify} +### Requirement: RHS from access map, may be ? for none. +###################################################################### +STLS_connection +RSOFTWARE $#error $@ 4.7.0 $: "403 TLS handshake." + + +###################################################################### +### RelayTLS: allow relaying based on TLS authentication +### +### Parameters: +### none +###################################################################### +SRelayTLS +# authenticated? + +###################################################################### +### authinfo: lookup authinfo in the access map +### +### Parameters: +### $1: {server_name} +### $2: {server_addr} +###################################################################### +Sauthinfo + + + + + + + + +SLocal_localaddr +R$+ $: $>ParseRecipient $1 +R$* < @ $+ > $* $#relay $@ ${MTAHost} $: $1 < @ $2 > $3 +# DECnet +R$+ :: $+ $#relay $@ ${MTAHost} $: $1 :: $2 +R$* $#relay $@ ${MTAHost} $: $1 < @ $j > +# +###################################################################### +###################################################################### +##### +##### MAIL FILTER DEFINITIONS +##### +###################################################################### +###################################################################### + +# +###################################################################### +###################################################################### +##### +##### MAILER DEFINITIONS +##### +###################################################################### +###################################################################### + + +################################################## +### Local and Program Mailer specification ### +################################################## + +##### $Id: local.m4,v 8.59 2004/11/23 00:37:25 ca Exp $ ##### + +# +# Envelope sender rewriting +# +SEnvFromL +R<@> $n errors to mailer-daemon +R@ <@ $*> $n temporarily bypass Sun bogosity +R$+ $: $>AddDomain $1 add local domain if needed +R$* $: $>MasqEnv $1 do masquerading + +# +# Envelope recipient rewriting +# +SEnvToL +R$+ < @ $* > $: $1 strip host part +R$+ + $* $: < $&{addr_type} > $1 + $2 mark with addr type +R $+ + $* $: $1 remove +detail for sender +R< $* > $+ $: $2 else remove mark + +# +# Header sender rewriting +# +SHdrFromL +R<@> $n errors to mailer-daemon +R@ <@ $*> $n temporarily bypass Sun bogosity +R$+ $: $>AddDomain $1 add local domain if needed +R$* $: $>MasqHdr $1 do masquerading + +# +# Header recipient rewriting +# +SHdrToL +R$+ $: $>AddDomain $1 add local domain if needed +R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2 + +# +# Common code to add local domain name (only if always-add-domain) +# +SAddDomain + +Mlocal, P=[IPC], F=lmDFMuXkw5, S=EnvFromL/HdrFromL, R=EnvToL/HdrToL, + T=DNS/RFC822/SMTP, + A=TCP $h +Mprog, P=[IPC], F=lmDFMuXk5, S=EnvFromL/HdrFromL, R=EnvToL/HdrToL, D=$z:/, + T=X-Unix/X-Unix/X-Unix, + A=TCP $h + +##################################### +### SMTP Mailer specification ### +##################################### + +##### $Id: smtp.m4,v 8.64 2001/04/03 01:52:54 gshapiro Exp $ ##### + +# +# common sender and masquerading recipient rewriting +# +SMasqSMTP +R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified +R$+ $@ $1 < @ *LOCAL* > add local qualification + +# +# convert pseudo-domain addresses to real domain addresses +# +SPseudoToReal + +# pass s through +R< @ $+ > $* $@ < @ $1 > $2 resolve + +# output fake domains as user%fake@relay + +# do UUCP heuristics; note that these are shared with UUCP mailers +R$+ < @ $+ .UUCP. > $: < $2 ! > $1 convert to UUCP form +R$+ < @ $* > $* $@ $1 < @ $2 > $3 not UUCP form + +# leave these in .UUCP form to avoid further tampering +R< $&h ! > $- ! $+ $@ $2 < @ $1 .UUCP. > +R< $&h ! > $-.$+ ! $+ $@ $3 < @ $1.$2 > +R< $&h ! > $+ $@ $1 < @ $&h .UUCP. > +R< $+ ! > $+ $: $1 ! $2 < @ $Y > use UUCP_RELAY +R$+ < @ $~[ $* : $+ > $@ $1 < @ $4 > strip mailer: part +R$+ < @ > $: $1 < @ *LOCAL* > if no UUCP_RELAY + + +# +# envelope sender rewriting +# +SEnvFromSMTP +R$+ $: $>PseudoToReal $1 sender/recipient common +R$* :; <@> $@ list:; special case +R$* $: $>MasqSMTP $1 qualify unqual'ed names +R$+ $: $>MasqEnv $1 do masquerading + + +# +# envelope recipient rewriting -- +# also header recipient if not masquerading recipients +# +SEnvToSMTP +R$+ $: $>PseudoToReal $1 sender/recipient common +R$+ $: $>MasqSMTP $1 qualify unqual'ed names +R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2 + +# +# header sender and masquerading header recipient rewriting +# +SHdrFromSMTP +R$+ $: $>PseudoToReal $1 sender/recipient common +R:; <@> $@ list:; special case + +# do special header rewriting +R$* <@> $* $@ $1 <@> $2 pass null host through +R< @ $* > $* $@ < @ $1 > $2 pass route-addr through +R$* $: $>MasqSMTP $1 qualify unqual'ed names +R$+ $: $>MasqHdr $1 do masquerading + + +# +# relay mailer header masquerading recipient rewriting +# +SMasqRelay +R$+ $: $>MasqSMTP $1 +R$+ $: $>MasqHdr $1 + +Msmtp, P=[IPC], F=mDFMuXk5, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990, + T=DNS/RFC822/SMTP, + A=TCP $h +Mesmtp, P=[IPC], F=mDFMuXak5, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990, + T=DNS/RFC822/SMTP, + A=TCP $h +Msmtp8, P=[IPC], F=mDFMuX8k5, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990, + T=DNS/RFC822/SMTP, + A=TCP $h +Mdsmtp, P=[IPC], F=mDFMuXa%k5, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990, + T=DNS/RFC822/SMTP, + A=TCP $h +Mrelay, P=[IPC], F=mDFMuXa8k, S=EnvFromSMTP/HdrFromSMTP, R=MasqSMTP, E=\r\n, L=2040, + T=DNS/RFC822/SMTP, + A=TCP $h + +### submit.mc ### +# divert(-1) +# # +# # Copyright (c) 2001-2003 Sendmail, Inc. and its suppliers. +# # All rights reserved. +# # +# # By using this file, you agree to the terms and conditions set +# # forth in the LICENSE file which can be found at the top level of +# # the sendmail distribution. +# # +# # +# +# # +# # This is the prototype file for a set-group-ID sm-msp sendmail that +# # acts as a initial mail submission program. +# # +# +# divert(0)dnl +# VERSIONID(`$Id: submit.mc,v 8.13 2003/09/10 22:12:48 ca Exp $') +# define(`confCF_VERSION', `Submit')dnl +# define(`__OSTYPE__',`')dnl dirty hack to keep proto.m4 from complaining +# define(`_USE_DECNET_SYNTAX_', `1')dnl support DECnet +# define(`confTIME_ZONE', `USE_TZ')dnl +# define(`confDONT_INIT_GROUPS', `True')dnl +# dnl +# dnl If you use IPv6 only, change [127.0.0.1] to [IPv6:::1] +# FEATURE(`msp', `[127.0.0.1]')dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/submit.mc b/contrib/sendmail-8.13.4/cf/cf/submit.mc new file mode 100644 index 0000000000..610bbeff32 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/submit.mc @@ -0,0 +1,26 @@ +divert(-1) +# +# Copyright (c) 2001-2003 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is the prototype file for a set-group-ID sm-msp sendmail that +# acts as a initial mail submission program. +# + +divert(0)dnl +VERSIONID(`$Id: submit.mc,v 8.13 2003/09/10 22:12:48 ca Exp $') +define(`confCF_VERSION', `Submit')dnl +define(`__OSTYPE__',`')dnl dirty hack to keep proto.m4 from complaining +define(`_USE_DECNET_SYNTAX_', `1')dnl support DECnet +define(`confTIME_ZONE', `USE_TZ')dnl +define(`confDONT_INIT_GROUPS', `True')dnl +dnl +dnl If you use IPv6 only, change [127.0.0.1] to [IPv6:::1] +FEATURE(`msp', `[127.0.0.1]')dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/tcpproto.mc b/contrib/sendmail-8.13.4/cf/cf/tcpproto.mc new file mode 100644 index 0000000000..969cb71f2e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/tcpproto.mc @@ -0,0 +1,33 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is the prototype file for a configuration that supports nothing +# but basic SMTP connections via TCP. +# +# You MUST change the `OSTYPE' macro to specify the operating system +# on which this will run; this will set the location of various +# support files for your operating system environment. You MAY +# create a domain file in ../domain and reference it by adding a +# `DOMAIN' macro after the `OSTYPE' macro. I recommend that you +# first copy this to another file name so that new sendmail releases +# will not trash your changes. +# + +divert(0)dnl +VERSIONID(`$Id: tcpproto.mc,v 8.14 2000/08/03 15:26:50 ca Exp $') +OSTYPE(`unknown') +FEATURE(`nouucp', `reject') +MAILER(`local') +MAILER(`smtp') diff --git a/contrib/sendmail-8.13.4/cf/cf/ucbarpa.mc b/contrib/sendmail-8.13.4/cf/cf/ucbarpa.mc new file mode 100644 index 0000000000..26b2ce095d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/ucbarpa.mc @@ -0,0 +1,30 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This machine has been decommissioned at Berkeley, and hence should +# not be considered to be tested. This file is provided as an example +# only, of how you might set up a joint SMTP/UUCP configuration. At +# this point I recommend using `FEATURE(mailertable)' instead of +# `SITECONFIG'. See also ucbvax.mc. +# + +divert(0)dnl +VERSIONID(`$Id: ucbarpa.mc,v 8.12 1999/02/07 07:26:05 gshapiro Exp $') +DOMAIN(CS.Berkeley.EDU)dnl +OSTYPE(bsd4.4)dnl +MAILER(local)dnl +MAILER(smtp)dnl +MAILER(uucp)dnl +SITECONFIG(uucp.ucbarpa, ucbarpa, U) diff --git a/contrib/sendmail-8.13.4/cf/cf/ucbvax.mc b/contrib/sendmail-8.13.4/cf/cf/ucbvax.mc new file mode 100644 index 0000000000..235d9aa25b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/ucbvax.mc @@ -0,0 +1,91 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This machine has been decommissioned at Berkeley, and hence should +# not be considered to be tested. This file is provided as an example +# only, of how you might set up a fairly complex configuration. +# Ucbvax was our main relay (both SMTP and UUCP) for many years. +# At this point I recommend using `FEATURE(mailertable)' instead of +# `SITECONFIG' for routing of UUCP within your domain. +# + +divert(0)dnl +VERSIONID(`$Id: ucbvax.mc,v 8.14 1999/02/07 07:26:05 gshapiro Exp $') +OSTYPE(bsd4.3) +DOMAIN(CS.Berkeley.EDU) +MASQUERADE_AS(CS.Berkeley.EDU) +MAILER(local) +MAILER(smtp) +MAILER(uucp) +undefine(`UUCP_RELAY')dnl + +LOCAL_CONFIG +DDBerkeley.EDU + +# names for which we act as a local forwarding agent +CF CS +FF/etc/sendmail.cw + +# local UUCP connections, and our local uucp name +SITECONFIG(uucp.ucbvax, ucbvax, U) + +# remote UUCP connections, and the machine they are on +SITECONFIG(uucp.ucbarpa, ucbarpa.Berkeley.EDU, W) + +SITECONFIG(uucp.cogsci, cogsci.Berkeley.EDU, X) + +LOCAL_RULE_3 +# map old UUCP names into Internet names +UUCPSMTP(bellcore, bellcore.com) +UUCPSMTP(decvax, decvax.dec.com) +UUCPSMTP(decwrl, decwrl.dec.com) +UUCPSMTP(hplabs, hplabs.hp.com) +UUCPSMTP(lbl-csam, lbl-csam.arpa) +UUCPSMTP(pur-ee, ecn.purdue.edu) +UUCPSMTP(purdue, purdue.edu) +UUCPSMTP(research, research.att.com) +UUCPSMTP(sdcarl, sdcarl.ucsd.edu) +UUCPSMTP(sdcsvax, sdcsvax.ucsd.edu) +UUCPSMTP(ssyx, ssyx.ucsc.edu) +UUCPSMTP(sun, sun.com) +UUCPSMTP(ucdavis, ucdavis.ucdavis.edu) +UUCPSMTP(ucivax, ics.uci.edu) +UUCPSMTP(ucla-cs, cs.ucla.edu) +UUCPSMTP(ucla-se, seas.ucla.edu) +UUCPSMTP(ucsbcsl, ucsbcsl.ucsb.edu) +UUCPSMTP(ucscc, c.ucsc.edu) +UUCPSMTP(ucsd, ucsd.edu) +UUCPSMTP(ucsfcgl, cgl.ucsf.edu) +UUCPSMTP(unmvax, unmvax.cs.unm.edu) +UUCPSMTP(uwvax, spool.cs.wisc.edu) + +LOCAL_RULE_0 + +# make sure we handle the local domain as absolute +R$* < @ $* $D > $* $: $1 < @ $2 $D . > $3 + +# handle names we forward for as though they were local, so we will use UDB +R< @ $=F . $D . > : $* $@ $>7 $2 @here:... -> ... +R< @ $D . > : $* $@ $>7 $1 @here:... -> ... +R$* $=O $* < @ $=F . $D . > $@ $>7 $1 $2 $3 ...@here -> ... +R$* $=O $* < @ $D . > $@ $>7 $1 $2 $3 ...@here -> ... + +R$* < @ $=F . $D . > $#local $: $1 use UDB + +# handle local UUCP connections in the Berkeley.EDU domain +R$+<@cnmat.$D . > $#uucp$@cnmat$:$1 +R$+<@cnmat.CS.$D . > $#uucp$@cnmat$:$1 +R$+<@craig.$D . > $#uucp$@craig$:$1 +R$+<@craig.CS.$D . > $#uucp$@craig$:$1 diff --git a/contrib/sendmail-8.13.4/cf/cf/uucpproto.mc b/contrib/sendmail-8.13.4/cf/cf/uucpproto.mc new file mode 100644 index 0000000000..134c8f41b9 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/uucpproto.mc @@ -0,0 +1,34 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is the prototype for a configuration that only supports UUCP +# and does not have DNS support at all. +# +# You MUST change the `OSTYPE' macro to specify the operating system +# on which this will run; this will set the location of various +# support files for your operating system environment. You MAY +# create a domain file in ../domain and reference it by adding a +# `DOMAIN' macro after the `OSTYPE' macro. I recommend that you +# first copy this to another file name so that new sendmail releases +# will not trash your changes. +# + +divert(0)dnl +VERSIONID(`$Id: uucpproto.mc,v 8.15 1999/02/07 07:26:05 gshapiro Exp $') +OSTYPE(unknown) +FEATURE(promiscuous_relay)dnl +FEATURE(accept_unresolvable_domains)dnl +MAILER(local)dnl +MAILER(uucp)dnl diff --git a/contrib/sendmail-8.13.4/cf/cf/vangogh.cs.mc b/contrib/sendmail-8.13.4/cf/cf/vangogh.cs.mc new file mode 100644 index 0000000000..3fb48e131e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/cf/vangogh.cs.mc @@ -0,0 +1,33 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This is a Berkeley-specific configuration file for a specific +# machine in the Computer Science Division at Berkeley, and should +# not be used elsewhere. It is provided on the sendmail distribution +# as a sample only. +# +# This file is for the BSD development machine; it has some parameters +# set up (to stress sendmail) and accepts mail for some other machines. +# + +divert(0)dnl +VERSIONID(`$Id: vangogh.cs.mc,v 8.13 1999/02/07 07:26:05 gshapiro Exp $') +DOMAIN(CS.Berkeley.EDU)dnl +OSTYPE(bsd4.4)dnl +MAILER(local)dnl +MAILER(smtp)dnl +define(`MCI_CACHE_SIZE', 5) +Cw okeeffe.CS.Berkeley.EDU +Cw python.CS.Berkeley.EDU diff --git a/contrib/sendmail-8.13.4/cf/domain/Berkeley.EDU.m4 b/contrib/sendmail-8.13.4/cf/domain/Berkeley.EDU.m4 new file mode 100644 index 0000000000..d0fee24763 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/domain/Berkeley.EDU.m4 @@ -0,0 +1,24 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: Berkeley.EDU.m4,v 8.17 1999/02/07 07:26:06 gshapiro Exp $') +DOMAIN(berkeley-only)dnl +define(`BITNET_RELAY', `bitnet-relay.Berkeley.EDU')dnl +define(`UUCP_RELAY', `uucp-relay.Berkeley.EDU')dnl +define(`confFORWARD_PATH', `$z/.forward.$w:$z/.forward')dnl +define(`confCW_FILE', `-o /etc/sendmail.cw')dnl +define(`confDONT_INIT_GROUPS', True)dnl +FEATURE(redirect)dnl +FEATURE(use_cw_file)dnl +FEATURE(stickyhost)dnl diff --git a/contrib/sendmail-8.13.4/cf/domain/CS.Berkeley.EDU.m4 b/contrib/sendmail-8.13.4/cf/domain/CS.Berkeley.EDU.m4 new file mode 100644 index 0000000000..181ced1451 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/domain/CS.Berkeley.EDU.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: CS.Berkeley.EDU.m4,v 8.10 1999/02/07 07:26:06 gshapiro Exp $') +DOMAIN(Berkeley.EDU)dnl +HACK(cssubdomain)dnl +define(`confUSERDB_SPEC', + `/usr/sww/share/lib/users.cs.db,/usr/sww/share/lib/users.eecs.db')dnl diff --git a/contrib/sendmail-8.13.4/cf/domain/EECS.Berkeley.EDU.m4 b/contrib/sendmail-8.13.4/cf/domain/EECS.Berkeley.EDU.m4 new file mode 100644 index 0000000000..41a21ade2e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/domain/EECS.Berkeley.EDU.m4 @@ -0,0 +1,17 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: EECS.Berkeley.EDU.m4,v 8.10 1999/02/07 07:26:06 gshapiro Exp $') +DOMAIN(Berkeley.EDU)dnl +MASQUERADE_AS(EECS.Berkeley.EDU)dnl diff --git a/contrib/sendmail-8.13.4/cf/domain/S2K.Berkeley.EDU.m4 b/contrib/sendmail-8.13.4/cf/domain/S2K.Berkeley.EDU.m4 new file mode 100644 index 0000000000..9a019ce8b4 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/domain/S2K.Berkeley.EDU.m4 @@ -0,0 +1,17 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: S2K.Berkeley.EDU.m4,v 8.10 1999/02/07 07:26:06 gshapiro Exp $') +DOMAIN(CS.Berkeley.EDU)dnl +MASQUERADE_AS(postgres.Berkeley.EDU)dnl diff --git a/contrib/sendmail-8.13.4/cf/domain/berkeley-only.m4 b/contrib/sendmail-8.13.4/cf/domain/berkeley-only.m4 new file mode 100644 index 0000000000..b9a73b9b04 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/domain/berkeley-only.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: unspecified-domain.m4,v 8.10 1999/02/07 07:26:07 gshapiro Exp $') +errprint(`*** ERROR: You are trying to use the Berkeley sample configuration') +errprint(` files outside of the Computer Science Division at Berkeley.') +errprint(` The configuration (.mc) files must be customized to reference') +errprint(` domain files appropriate for your environment.') diff --git a/contrib/sendmail-8.13.4/cf/domain/generic.m4 b/contrib/sendmail-8.13.4/cf/domain/generic.m4 new file mode 100644 index 0000000000..caa5a8845f --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/domain/generic.m4 @@ -0,0 +1,28 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# The following is a generic domain file. You should be able to +# use it anywhere. If you want to customize it, copy it to a file +# named with your domain and make the edits; then, copy the appropriate +# .mc files and change `DOMAIN(generic)' to reference your updated domain +# files. +# +divert(0) +VERSIONID(`$Id: generic.m4,v 8.15 1999/04/04 00:51:09 ca Exp $') +define(`confFORWARD_PATH', `$z/.forward.$w+$h:$z/.forward+$h:$z/.forward.$w:$z/.forward')dnl +define(`confMAX_HEADERS_LENGTH', `32768')dnl +FEATURE(`redirect')dnl +FEATURE(`use_cw_file')dnl +EXPOSED_USER(`root') diff --git a/contrib/sendmail-8.13.4/cf/feature/accept_unqualified_senders.m4 b/contrib/sendmail-8.13.4/cf/feature/accept_unqualified_senders.m4 new file mode 100644 index 0000000000..4c39884935 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/accept_unqualified_senders.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: accept_unqualified_senders.m4,v 8.6 1999/02/07 07:26:07 gshapiro Exp $') +divert(-1) + +define(`_ACCEPT_UNQUALIFIED_SENDERS_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/accept_unresolvable_domains.m4 b/contrib/sendmail-8.13.4/cf/feature/accept_unresolvable_domains.m4 new file mode 100644 index 0000000000..a54507c754 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/accept_unresolvable_domains.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: accept_unresolvable_domains.m4,v 8.10 1999/02/07 07:26:07 gshapiro Exp $') +divert(-1) + +define(`_ACCEPT_UNRESOLVABLE_DOMAINS_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/access_db.m4 b/contrib/sendmail-8.13.4/cf/feature/access_db.m4 new file mode 100644 index 0000000000..5488a45274 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/access_db.m4 @@ -0,0 +1,44 @@ +divert(-1) +# +# Copyright (c) 1998-2002, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: access_db.m4,v 8.26 2004/06/24 18:10:02 ca Exp $') +divert(-1) + +define(`_ACCESS_TABLE_', `') +define(`_TAG_DELIM_', `:')dnl should be in OperatorChars +ifelse(lower(_ARG2_),`skip',`define(`_ACCESS_SKIP_', `1')') +ifelse(lower(_ARG2_),`lookupdotdomain',`define(`_LOOKUPDOTDOMAIN_', `1')') +ifelse(lower(_ARG3_),`skip',`define(`_ACCESS_SKIP_', `1')') +ifelse(lower(_ARG3_),`lookupdotdomain',`define(`_LOOKUPDOTDOMAIN_', `1')') +define(`_ATMPF_', `')dnl +dnl check whether arg contains -T`'_ATMPF_ +dnl unless it is a sequence map +ifelse(defn(`_ARG_'), `', `', + defn(`_ARG_'), `LDAP', `', + `ifelse(index(_ARG_, `sequence '), `0', `', + `ifelse(index(_ARG_, _ATMPF_), `-1', + `errprint(`*** WARNING: missing -T'_ATMPF_` in argument of FEATURE(`access_db',' defn(`_ARG_')`) +') + define(`_ABP_', index(_ARG_, ` ')) + define(`_NARG_', `substr(_ARG_, 0, _ABP_) -T'_ATMPF_` substr(_ARG_, _ABP_)') + ') + ') + ') +ifdef(`_GREET_PAUSE_', + `errprint(`*** WARNING: FEATURE(`greet_pause') before FEATURE(`access_db') + greet_pause will not use access_db!')') + +LOCAL_CONFIG +# Access list database (for spam stomping) +Kaccess ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE -T`'_ATMPF_ MAIL_SETTINGS_DIR`access', + defn(`_ARG_'), `LDAP', `ldap -T`'_ATMPF_ -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=access)(sendmailMTAKey=%0))', + defn(`_NARG_'), `', `_ARG_', `_NARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/allmasquerade.m4 b/contrib/sendmail-8.13.4/cf/feature/allmasquerade.m4 new file mode 100644 index 0000000000..aa264f961d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/allmasquerade.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: allmasquerade.m4,v 8.13 2000/09/12 22:00:53 ca Exp $') +divert(-1) + +ifdef(`_MAILER_local_', + `errprint(`*** MAILER(`local') must appear after FEATURE(`allmasquerade')') +')dnl +ifdef(`_MAILER_uucp_', + `errprint(`*** MAILER(`uucp') must appear after FEATURE(`allmasquerade')') +')dnl +define(`_ALL_MASQUERADE_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/always_add_domain.m4 b/contrib/sendmail-8.13.4/cf/feature/always_add_domain.m4 new file mode 100644 index 0000000000..a29956a635 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/always_add_domain.m4 @@ -0,0 +1,22 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: always_add_domain.m4,v 8.11 2000/09/12 22:00:53 ca Exp $') +divert(-1) + +ifdef(`_MAILER_local_', + `errprint(`*** MAILER(`local') must appear after FEATURE(`always_add_domain')') +')dnl +define(`_ALWAYS_ADD_DOMAIN_', ifelse(len(X`'_ARG_),`1',`',_ARG_)) diff --git a/contrib/sendmail-8.13.4/cf/feature/authinfo.m4 b/contrib/sendmail-8.13.4/cf/feature/authinfo.m4 new file mode 100644 index 0000000000..99dd6e9e23 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/authinfo.m4 @@ -0,0 +1,22 @@ +divert(-1) +# +# Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: authinfo.m4,v 1.9 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_AUTHINFO_TABLE_', `') + +LOCAL_CONFIG +# authinfo list database: contains info for authentication as client +Kauthinfo ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`authinfo', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=authinfo)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/bestmx_is_local.m4 b/contrib/sendmail-8.13.4/cf/feature/bestmx_is_local.m4 new file mode 100644 index 0000000000..911d2b5421 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/bestmx_is_local.m4 @@ -0,0 +1,51 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: bestmx_is_local.m4,v 8.26 2000/09/17 17:30:00 gshapiro Exp $') +divert(-1) + +define(`_BESTMX_IS_LOCAL_', _ARG_) + +LOCAL_CONFIG +# turn on bestMX lookup table +Kbestmx bestmx +ifelse(defn(`_ARG_'), `', `dnl',` +# limit bestmx to these domains +CB`'_ARG_') + +LOCAL_NET_CONFIG + +# If we are the best MX for a site, then we want to accept +# its mail as local. We assume we've already weeded out mail to +# UUCP sites which are connected to us, which should also have +# listed us as their best MX. +# +# Warning: this may generate a lot of extra DNS traffic -- a +# lower cost method is to list all the expected best MX hosts +# in $=w. This should be fine (and easier to administer) for +# low to medium traffic hosts. If you use the limited bestmx +# by passing in a set of possible domains it will improve things. + +ifelse(defn(`_ARG_'), `', `dnl +# unlimited bestmx +R$* < @ $* > $* $: $1 < @ $2 @@ $(bestmx $2 $) > $3', +`dnl +# limit bestmx to $=B +R$* < @ $* $=B . > $* $: $1 < @ $2 $3 . @@ $(bestmx $2 $3 . $) > $4') +R$* $=O $* < @ $* @@ $=w . > $* $@ $>Recurse $1 $2 $3 +R< @ $* @@ $=w . > : $* $@ $>Recurse $3 +dnl we cannot use _LOCAL_ here since it is defined too late +R$* < @ $* @@ $=w . > $* $@ $>CanonLocal < $1 > +R$* < @ $* @@ $* > $* $: $1 < @ $2 > $4 diff --git a/contrib/sendmail-8.13.4/cf/feature/bitdomain.m4 b/contrib/sendmail-8.13.4/cf/feature/bitdomain.m4 new file mode 100644 index 0000000000..2ff3fa6eec --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/bitdomain.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: bitdomain.m4,v 8.30 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_BITDOMAIN_TABLE_', `') + +LOCAL_CONFIG +# BITNET mapping table +Kbitdomain ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`bitdomain', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=bitdomain)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/blacklist_recipients.m4 b/contrib/sendmail-8.13.4/cf/feature/blacklist_recipients.m4 new file mode 100644 index 0000000000..d6218d1194 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/blacklist_recipients.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: blacklist_recipients.m4,v 8.13 1999/04/02 02:25:13 gshapiro Exp $') +divert(-1) + +ifdef(`_ACCESS_TABLE_', + `define(`_BLACKLIST_RCPT_', 1)', + `errprint(`*** ERROR: FEATURE(blacklist_recipients) requires FEATURE(access_db) +')') diff --git a/contrib/sendmail-8.13.4/cf/feature/compat_check.m4 b/contrib/sendmail-8.13.4/cf/feature/compat_check.m4 new file mode 100644 index 0000000000..a6125edf25 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/compat_check.m4 @@ -0,0 +1,33 @@ +divert(-1) +# +# Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: compat_check.m4,v 1.4 2002/02/26 22:15:31 gshapiro Exp $') +divert(-1) +ifdef(`_ACCESS_TABLE_', `', +`errprint(`FEATURE(`compat_check') requires FEATURE(`access_db') +')') + +LOCAL_RULESETS +Scheck_compat +# look up the pair of addresses +# (we use <@> as the separator. Note this in the map too!) +R< $+ > $| $+ $: $1 $| $2 +R$+ $| < $+ > $: $1 $| $2 +R$+ $| $+ $: <$(access Compat:$1<@>$2 $:OK $)> +R$* $| $* $@ ok +# act on the result, +# it must be one of the following... anything else will be allowed.. +dnl for consistency with the other two even though discard does not take a +dnl reply code +R< DISCARD:$* > $#discard $: $1 " - discarded by check_compat" +R< DISCARD $* > $#discard $: $1 " - discarded by check_compat" +R< TEMP:$* > $#error $@ TEMPFAIL $: $1 " error from check_compat. Try again later" +R< ERROR:$* > $#error $@ UNAVAILABLE $: $1 " error from check_compat" diff --git a/contrib/sendmail-8.13.4/cf/feature/conncontrol.m4 b/contrib/sendmail-8.13.4/cf/feature/conncontrol.m4 new file mode 100644 index 0000000000..87c23b0fd5 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/conncontrol.m4 @@ -0,0 +1,36 @@ +divert(-1) +# +# Copyright (c) 2003, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: conncontrol.m4,v 1.4 2004/02/19 21:31:47 ca Exp $') + +divert(-1) +ifdef(`_ACCESS_TABLE_', ` + define(`_CONN_CONTROL_', `1') + ifelse(defn(`_ARG_'), `', `', + strcasecmp(defn(`_ARG_'), `nodelay'), `1', + `ifdef(`_DELAY_CHECKS_', + ` + define(`_CONN_CONTROL_IMMEDIATE_', `1') + define(`_CONTROL_IMMEDIATE_', `1') + ', + `errprint(`*** ERROR: FEATURE(`conncontrol', `nodelay') requires FEATURE(`delay_checks')')' + )', + `errprint(`*** ERROR: unknown parameter '"defn(`_ARG_')"` for FEATURE(`conncontrol')')') + define(`_FFR_SRCHLIST_A', `1') + ifelse(len(X`'_ARG2_), `1', `', + _ARG2_, `terminate', `define(`_CONN_CONTROL_REPLY', `421')', + `errprint(`*** ERROR: FEATURE(`conncontrol'): unknown argument '"_ARG2_" +)' + ) + ', `errprint(`*** ERROR: FEATURE(`conncontrol') requires FEATURE(`access_db') +')') +ifdef(`_CONN_CONTROL_REPLY',,`define(`_CONN_CONTROL_REPLY', `452')') diff --git a/contrib/sendmail-8.13.4/cf/feature/delay_checks.m4 b/contrib/sendmail-8.13.4/cf/feature/delay_checks.m4 new file mode 100644 index 0000000000..151df95666 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/delay_checks.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1999-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: delay_checks.m4,v 8.8 2000/12/05 18:50:45 ca Exp $') +divert(-1) + +define(`_DELAY_CHECKS_', 1) +ifelse(defn(`_ARG_'), `', `', + lower(substr(_ARG_,0,1)), `f', `define(`_SPAM_FRIEND_', 1) define(`_SPAM_FH_', 1)', + lower(substr(_ARG_,0,1)), `h', `define(`_SPAM_HATER_', 1) define(`_SPAM_FH_', 1)', + `errprint(`*** ERROR: illegal argument _ARG_ for FEATURE(delay_checks) +') + ') + +dnl be backward compatible by default +ifelse(len(X`'_ARG2_), `1', `define(`_DELAY_COMPAT_8_10_', 1)', `') diff --git a/contrib/sendmail-8.13.4/cf/feature/dnsbl.m4 b/contrib/sendmail-8.13.4/cf/feature/dnsbl.m4 new file mode 100644 index 0000000000..c560586cf4 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/dnsbl.m4 @@ -0,0 +1,33 @@ +divert(-1) +# +# Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +ifdef(`DNSBL_MAP', `', `define(`DNSBL_MAP', `dns -R A')') +divert(0) +ifdef(`_DNSBL_R_',`dnl',`dnl +VERSIONID(`$Id: dnsbl.m4,v 8.29 2002/08/09 21:02:08 ca Exp $') +define(`_DNSBL_R_',`') +LOCAL_CONFIG +# map for DNS based blacklist lookups +Kdnsbl DNSBL_MAP -Tifdef(`DNSBL_MAP_OPT',` DNSBL_MAP_OPT')') +divert(-1) +define(`_DNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',_ARG_)')dnl +define(`_DNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_DNSBL_SRV_`"',`_ARG2_')')dnl +define(`_DNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_DNSBL_SRV_`"',`_ARG3_')')dnl +divert(8) +# DNS based IP address spam list _DNSBL_SRV_ +R$* $: $&{client_addr} +R$-.$-.$-.$- $: $(dnsbl $4.$3.$2.$1._DNSBL_SRV_. $: OK $) +ROK $: OKSOFAR +ifelse(len(X`'_ARG3_),`1', +`R$+ $: TMPOK', +`R$+ $#error $@ 4.7.1 $: _DNSBL_MSG_TMP_') +R$+ $#error $@ 5.7.1 $: _DNSBL_MSG_ +divert(-1) diff --git a/contrib/sendmail-8.13.4/cf/feature/domaintable.m4 b/contrib/sendmail-8.13.4/cf/feature/domaintable.m4 new file mode 100644 index 0000000000..fadf816ca0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/domaintable.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: domaintable.m4,v 8.24 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_DOMAIN_TABLE_', `') + +LOCAL_CONFIG +# Domain table (adding domains) +Kdomaintable ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`domaintable', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=domain)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/enhdnsbl.m4 b/contrib/sendmail-8.13.4/cf/feature/enhdnsbl.m4 new file mode 100644 index 0000000000..c713153b63 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/enhdnsbl.m4 @@ -0,0 +1,44 @@ +divert(-1) +# +# Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +ifdef(`_EDNSBL_R_',`dnl',`dnl +VERSIONID(`$Id: enhdnsbl.m4,v 1.9 2002/05/19 21:27:29 gshapiro Exp $') +LOCAL_CONFIG +define(`_EDNSBL_R_',`')dnl +# map for enhanced DNS based blacklist lookups +Kednsbl dns -R A -a. -T -r`'ifdef(`EDNSBL_TO',`EDNSBL_TO',`5') +') +divert(-1) +define(`_EDNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',_ARG_)')dnl +define(`_EDNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_EDNSBL_SRV_`"',`_ARG2_')')dnl +define(`_EDNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_EDNSBL_SRV_`"',`_ARG3_')')dnl +define(`_EDNSBL_MATCH_', `ifelse(len(X`'_ARG4_),`1',`$`'+',_ARG4_)')dnl +divert(8) +# DNS based IP address spam list _EDNSBL_SRV_ +R$* $: $&{client_addr} +R$-.$-.$-.$- $: $(ednsbl $4.$3.$2.$1._EDNSBL_SRV_. $: OK $) +ROK $: OKSOFAR +ifelse(len(X`'_ARG3_),`1', +`R$+ $: TMPOK', +`R$+ $#error $@ 4.7.1 $: _EDNSBL_MSG_TMP_') +R_EDNSBL_MATCH_ $#error $@ 5.7.1 $: _EDNSBL_MSG_ +ifelse(len(X`'_ARG5_),`1',`dnl', +`R_ARG5_ $#error $@ 5.7.1 $: _EDNSBL_MSG_') +ifelse(len(X`'_ARG6_),`1',`dnl', +`R_ARG6_ $#error $@ 5.7.1 $: _EDNSBL_MSG_') +ifelse(len(X`'_ARG7_),`1',`dnl', +`R_ARG7_ $#error $@ 5.7.1 $: _EDNSBL_MSG_') +ifelse(len(X`'_ARG8_),`1',`dnl', +`R_ARG8_ $#error $@ 5.7.1 $: _EDNSBL_MSG_') +ifelse(len(X`'_ARG9_),`1',`dnl', +`R_ARG9_ $#error $@ 5.7.1 $: _EDNSBL_MSG_') +divert(-1) diff --git a/contrib/sendmail-8.13.4/cf/feature/generics_entire_domain.m4 b/contrib/sendmail-8.13.4/cf/feature/generics_entire_domain.m4 new file mode 100644 index 0000000000..fab586af11 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/generics_entire_domain.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: generics_entire_domain.m4,v 8.1 1999/03/16 00:43:05 ca Exp $') +divert(-1) + +define(`_GENERICS_ENTIRE_DOMAIN_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/genericstable.m4 b/contrib/sendmail-8.13.4/cf/feature/genericstable.m4 new file mode 100644 index 0000000000..dfdfeac862 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/genericstable.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: genericstable.m4,v 8.23 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_GENERICS_TABLE_', `') + +LOCAL_CONFIG +# Generics table (mapping outgoing addresses) +Kgenerics ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`genericstable', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=generics)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/greet_pause.m4 b/contrib/sendmail-8.13.4/cf/feature/greet_pause.m4 new file mode 100644 index 0000000000..1dddb58e50 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/greet_pause.m4 @@ -0,0 +1,44 @@ +divert(-1) +# +# Copyright (c) 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: greet_pause.m4,v 1.4 2004/07/06 20:49:51 ca Exp $') +divert(-1) + +ifelse(len(X`'_ARG_),`1',`ifdef(`_ACCESS_TABLE_', `', + `errprint(`*** ERROR: FEATURE(`greet_pause') requires FEATURE(`access_db') +')')') + +define(`_GREET_PAUSE_', `') + +LOCAL_RULESETS +###################################################################### +### greet_pause: lookup pause time before 220 greeting +### +### Parameters: +### $1: {client_name} +### $2: {client_addr} +###################################################################### +SLocal_greet_pause +Sgreet_pause +R$* $: <$1> $| $>"Local_greet_pause" $1 +R<$*> $| $#$* $#$2 +R<$*> $| $* $: $1 +ifdef(`_ACCESS_TABLE_', `dnl +R$+ $| $+ $: $>D < $1 > < $2 > +R $| $+ $: $>A < $1 > <> empty client_name +R <$+> $: $>A < $1 > <> no: another lookup +ifelse(len(X`'_ARG_),`1', +`R <$*> $@', +`R <$*> $# _ARG_') +R<$* > <$*> $@ +R<$+> <$*> $# $1',`dnl +R$* $# _ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/ldap_routing.m4 b/contrib/sendmail-8.13.4/cf/feature/ldap_routing.m4 new file mode 100644 index 0000000000..ad7f142aaf --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/ldap_routing.m4 @@ -0,0 +1,46 @@ +divert(-1) +# +# Copyright (c) 1999-2002, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: ldap_routing.m4,v 8.14 2004/02/18 02:45:11 gshapiro Exp $') +divert(-1) + +# Check first two arguments. If they aren't set, may need to warn in proto.m4 +ifelse(len(X`'_ARG1_), `1', `define(`_LDAP_ROUTING_WARN_', `yes')') +ifelse(len(X`'_ARG2_), `1', `define(`_LDAP_ROUTING_WARN_', `yes')') +ifelse(len(X`'_ARG5_), `1', `', `define(`_LDAP_ROUTE_NODOMAIN_', `yes')') + +# Check for third argument to indicate how to deal with non-existant +# LDAP records +ifelse(len(X`'_ARG3_), `1', `define(`_LDAP_ROUTING_', `_PASS_THROUGH_')', + _ARG3_, `passthru', `define(`_LDAP_ROUTING_', `_PASS_THROUGH_')', + _ARG3_, `sendertoo', `define(`_LDAP_ROUTING_', `_MUST_EXIST_')define(`_LDAP_SENDER_MUST_EXIST_')', + `define(`_LDAP_ROUTING_', `_MUST_EXIST_')') + +# Check for fourth argument to indicate how to deal with +detail info +ifelse(len(X`'_ARG4_), `1', `', + _ARG4_, `strip', `define(`_LDAP_ROUTE_DETAIL_', `_STRIP_')', + _ARG4_, `preserve', `define(`_LDAP_ROUTE_DETAIL_', `_PRESERVE_')') + +# Check for sixth argument to indicate how to deal with tempfails +ifelse(len(X`'_ARG6_), `1', `define(`_LDAP_ROUTE_MAPTEMP_', `_QUEUE_')', + _ARG6_, `tempfail', `define(`_LDAP_ROUTE_MAPTEMP_', `_TEMPFAIL_')', + _ARG6_, `queue', `define(`_LDAP_ROUTE_MAPTEMP_', `_QUEUE_')') + +LOCAL_CONFIG +# LDAP routing maps +Kldapmh ifelse(len(X`'_ARG1_), `1', + `ldap -1 -T -v mailHost -k (&(objectClass=inetLocalMailRecipient)(mailLocalAddress=%0))', + `_ARG1_') + +Kldapmra ifelse(len(X`'_ARG2_), `1', + `ldap -1 -T -v mailRoutingAddress -k (&(objectClass=inetLocalMailRecipient)(mailLocalAddress=%0))', + `_ARG2_') diff --git a/contrib/sendmail-8.13.4/cf/feature/limited_masquerade.m4 b/contrib/sendmail-8.13.4/cf/feature/limited_masquerade.m4 new file mode 100644 index 0000000000..f86ebd4567 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/limited_masquerade.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: limited_masquerade.m4,v 8.9 1999/02/07 07:26:09 gshapiro Exp $') +divert(-1) + +define(`_LIMITED_MASQUERADE_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/local_lmtp.m4 b/contrib/sendmail-8.13.4/cf/feature/local_lmtp.m4 new file mode 100644 index 0000000000..6f3888add2 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/local_lmtp.m4 @@ -0,0 +1,28 @@ +divert(-1) +# +# Copyright (c) 1998-2000, 2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: local_lmtp.m4,v 8.17 2002/11/17 04:41:04 ca Exp $') +divert(-1) + +ifdef(`_MAILER_local_', + `errprint(`*** FEATURE(local_lmtp) must occur before MAILER(local) +')')dnl + +define(`LOCAL_MAILER_PATH', + ifelse(defn(`_ARG_'), `', + ifdef(`confEBINDIR', confEBINDIR, `/usr/libexec')`/mail.local', + _ARG_)) +define(`LOCAL_MAILER_FLAGS', `PSXmnz9') +define(`LOCAL_MAILER_ARGS', + ifelse(len(X`'_ARG2_), `1', `mail.local -l', _ARG2_)) +define(`LOCAL_MAILER_DSN_DIAGNOSTIC_CODE', `SMTP') +define(`_LOCAL_LMTP_', `1') diff --git a/contrib/sendmail-8.13.4/cf/feature/local_no_masquerade.m4 b/contrib/sendmail-8.13.4/cf/feature/local_no_masquerade.m4 new file mode 100644 index 0000000000..de2300f2f0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/local_no_masquerade.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# + +divert(0) +VERSIONID(`$Id: local_no_masquerade.m4,v 1.2 2000/08/03 15:54:59 ca Exp $') +divert(-1) + +ifdef(`_MAILER_local_', + `errprint(`*** MAILER(`local') must appear after FEATURE(`local_no_masquerade')') +')dnl +define(`_LOCAL_NO_MASQUERADE_', `1') diff --git a/contrib/sendmail-8.13.4/cf/feature/local_procmail.m4 b/contrib/sendmail-8.13.4/cf/feature/local_procmail.m4 new file mode 100644 index 0000000000..694c3d9ef9 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/local_procmail.m4 @@ -0,0 +1,36 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1994 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: local_procmail.m4,v 8.22 2002/11/17 04:24:19 ca Exp $') +divert(-1) + +ifdef(`_MAILER_local_', + `errprint(`*** FEATURE(local_procmail) must occur before MAILER(local) +')')dnl + +define(`LOCAL_MAILER_PATH', + ifelse(defn(`_ARG_'), `', + ifdef(`PROCMAIL_MAILER_PATH', + PROCMAIL_MAILER_PATH, + `/usr/local/bin/procmail'), + _ARG_)) +define(`LOCAL_MAILER_ARGS', + ifelse(len(X`'_ARG2_), `1', `procmail -Y -a $h -d $u', _ARG2_)) +define(`LOCAL_MAILER_FLAGS', + ifelse(len(X`'_ARG3_), `1', `SPfhn9', _ARG3_)) +dnl local_procmail conflicts with local_lmtp but the latter might be +dnl defined in an OS/ file (solaris8). Let's just undefine it. +undefine(`_LOCAL_LMTP_') +undefine(`LOCAL_MAILER_DSN_DIAGNOSTIC_CODE') diff --git a/contrib/sendmail-8.13.4/cf/feature/lookupdotdomain.m4 b/contrib/sendmail-8.13.4/cf/feature/lookupdotdomain.m4 new file mode 100644 index 0000000000..f8c2a31f30 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/lookupdotdomain.m4 @@ -0,0 +1,22 @@ +divert(-1) +# +# Copyright (c) 2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: lookupdotdomain.m4,v 1.1 2000/04/13 22:32:49 ca Exp $') +divert(-1) + +ifdef(`_ACCESS_TABLE_', + `define(`_LOOKUPDOTDOMAIN_')', + `errprint(`*** ERROR: FEATURE(`lookupdotdomain') requires FEATURE(`access_db') +')') +ifdef(`_RELAY_HOSTS_ONLY_', + `errprint(`*** WARNING: FEATURE(`lookupdotdomain') does not work well with FEATURE(`relay_hosts_only') +')') diff --git a/contrib/sendmail-8.13.4/cf/feature/loose_relay_check.m4 b/contrib/sendmail-8.13.4/cf/feature/loose_relay_check.m4 new file mode 100644 index 0000000000..abd1b9c9ff --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/loose_relay_check.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: loose_relay_check.m4,v 8.6 1999/02/07 07:26:10 gshapiro Exp $') +divert(-1) + +define(`_LOOSE_RELAY_CHECK_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/mailertable.m4 b/contrib/sendmail-8.13.4/cf/feature/mailertable.m4 new file mode 100644 index 0000000000..e3e1d0344b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/mailertable.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: mailertable.m4,v 8.25 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_MAILER_TABLE_', `') + +LOCAL_CONFIG +# Mailer table (overriding domains) +Kmailertable ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`mailertable', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=mailer)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/masquerade_entire_domain.m4 b/contrib/sendmail-8.13.4/cf/feature/masquerade_entire_domain.m4 new file mode 100644 index 0000000000..e2bcc65061 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/masquerade_entire_domain.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: masquerade_entire_domain.m4,v 8.9 1999/02/07 07:26:10 gshapiro Exp $') +divert(-1) + +define(`_MASQUERADE_ENTIRE_DOMAIN_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/masquerade_envelope.m4 b/contrib/sendmail-8.13.4/cf/feature/masquerade_envelope.m4 new file mode 100644 index 0000000000..74d3aa0560 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/masquerade_envelope.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: masquerade_envelope.m4,v 8.9 1999/02/07 07:26:10 gshapiro Exp $') +divert(-1) + +define(`_MASQUERADE_ENVELOPE_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/msp.m4 b/contrib/sendmail-8.13.4/cf/feature/msp.m4 new file mode 100644 index 0000000000..6ecf334255 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/msp.m4 @@ -0,0 +1,78 @@ +divert(-1) +# +# Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0)dnl +VERSIONID(`$Id: msp.m4,v 1.33 2004/02/09 22:32:38 ca Exp $') +divert(-1) +undefine(`ALIAS_FILE') +define(`confDELIVERY_MODE', `i') +define(`confUSE_MSP', `True') +define(`confFORWARD_PATH', `') +define(`confPRIVACY_FLAGS', `goaway,noetrn,restrictqrun') +define(`confDONT_PROBE_INTERFACES', `True') +dnl --------------------------------------------- +dnl run as this user (even if called by root) +ifdef(`confRUN_AS_USER',,`define(`confRUN_AS_USER', `smmsp')') +ifdef(`confTRUSTED_USER',,`define(`confTRUSTED_USER', +`ifelse(index(confRUN_AS_USER,`:'), -1, `confRUN_AS_USER', +`substr(confRUN_AS_USER,0,index(confRUN_AS_USER,`:'))')')') +dnl --------------------------------------------- +dnl This queue directory must have the same group +dnl as sendmail and it must be group-writable. +dnl notice: do not test for QUEUE_DIR, it is set in some ostype/*.m4 files +ifdef(`MSP_QUEUE_DIR', +`define(`QUEUE_DIR', `MSP_QUEUE_DIR')', +`define(`QUEUE_DIR', `/var/spool/clientmqueue')') +define(`_MTA_HOST_', ifelse(defn(`_ARG_'), `', `[localhost]', `_ARG_')) +define(`_MSP_FQHN_',`dnl used to qualify addresses +ifdef(`MASQUERADE_NAME', ifdef(`_MASQUERADE_ENVELOPE_', `$M', `$j'), `$j')') +ifelse(_ARG2_, `MSA', `define(`RELAY_MAILER_ARGS', `TCP $h 587')') +dnl --------------------------------------------- +ifdef(`confPID_FILE', `dnl', +`define(`confPID_FILE', QUEUE_DIR`/sm-client.pid')') +define(`confQUEUE_FILE_MODE', `0660')dnl +ifdef(`STATUS_FILE', +`define(`_F_', +`define(`_b_', index(STATUS_FILE, `sendmail.st'))ifelse(_b_, `-1', `STATUS_FILE', `substr(STATUS_FILE, 0, _b_)sm-client.st')') +define(`STATUS_FILE', _F_) +undefine(`_b_') undefine(`_F_')', +`define(`STATUS_FILE', QUEUE_DIR`/sm-client.st')') +FEATURE(`no_default_msa')dnl +ifelse(defn(`_DPO_'), `', +`DAEMON_OPTIONS(`Name=NoMTA, Addr=127.0.0.1, M=E')dnl') +define(`_DEF_LOCAL_MAILER_FLAGS', `')dnl +define(`_DEF_LOCAL_SHELL_FLAGS', `')dnl +define(`LOCAL_MAILER_PATH', `[IPC]')dnl +define(`LOCAL_MAILER_FLAGS', `lmDFMuXkw5')dnl +define(`LOCAL_MAILER_ARGS', `TCP $h')dnl +define(`LOCAL_MAILER_DSN_DIAGNOSTIC_CODE', `SMTP')dnl +define(`LOCAL_SHELL_PATH', `[IPC]')dnl +define(`LOCAL_SHELL_FLAGS', `lmDFMuXk5')dnl +define(`LOCAL_SHELL_ARGS', `TCP $h')dnl +MODIFY_MAILER_FLAGS(`SMTP', `+k5')dnl +MODIFY_MAILER_FLAGS(`ESMTP', `+k5')dnl +MODIFY_MAILER_FLAGS(`DSMTP', `+k5')dnl +MODIFY_MAILER_FLAGS(`SMTP8', `+k5')dnl +MODIFY_MAILER_FLAGS(`RELAY', `+k')dnl +MAILER(`local')dnl +MAILER(`smtp')dnl + +LOCAL_CONFIG +D{MTAHost}_MTA_HOST_ + +LOCAL_RULESETS +SLocal_localaddr +R$+ $: $>ParseRecipient $1 +R$* < @ $+ > $* $#relay $@ ${MTAHost} $: $1 < @ $2 > $3 +ifdef(`_USE_DECNET_SYNTAX_', +`# DECnet +R$+ :: $+ $#relay $@ ${MTAHost} $: $1 :: $2', `dnl') +R$* $#relay $@ ${MTAHost} $: $1 < @ _MSP_FQHN_ > diff --git a/contrib/sendmail-8.13.4/cf/feature/mtamark.m4 b/contrib/sendmail-8.13.4/cf/feature/mtamark.m4 new file mode 100644 index 0000000000..ae5f07a24b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/mtamark.m4 @@ -0,0 +1,33 @@ +divert(-1) +# +# Copyright (c) 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +ifdef(`_MTAMARK_R',`dnl',`dnl +VERSIONID(`$Id: mtamark.m4,v 1.1 2004/03/22 19:22:40 ca Exp $') +LOCAL_CONFIG +define(`_MTAMARK_R',`')dnl +# map for MTA mark +Kmtamark dns -R TXT -a. -T -r`'ifdef(`MTAMARK_TO',`MTAMARK_TO',`5') +') +divert(-1) +define(`_MTAMARK_RR_', `ifelse(len(X`'_ARG3_),`1',`_perm._smtp._srv',`_ARG3_')')dnl +define(`_MTAMARK_MSG_', `ifelse(len(X`'_ARG_),`1',`"550 Rejected: " $`'&{client_addr} " not listed as MTA"',`_ARG_')')dnl +define(`_MTAMARK_MSG_TMP_', `ifelse(_ARG2_,`t',`"451 Temporary lookup failure of " _MTAMARK_RR_.$`'&{client_addr}',`_ARG2_')')dnl +divert(8) +# DNS based IP MTA list +R$* $: $&{client_addr} +R$-.$-.$-.$- $: $(mtamark _MTAMARK_RR_.$4.$3.$2.$1.in-addr.arpa. $: OK $) +R1. $: OKSOFAR +R0. $#error $@ 5.7.1 $: _MTAMARK_MSG_ +ifelse(len(X`'_ARG2_),`1', +`R$+ $: TMPOK', +`R$+ $#error $@ 4.7.1 $: _MTAMARK_MSG_TMP_') +divert(-1) diff --git a/contrib/sendmail-8.13.4/cf/feature/no_default_msa.m4 b/contrib/sendmail-8.13.4/cf/feature/no_default_msa.m4 new file mode 100644 index 0000000000..5a053399fc --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/no_default_msa.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1999-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: no_default_msa.m4,v 8.2 2001/02/14 05:03:22 gshapiro Exp $') +divert(-1) + +define(`_NO_MSA_', `1') diff --git a/contrib/sendmail-8.13.4/cf/feature/nocanonify.m4 b/contrib/sendmail-8.13.4/cf/feature/nocanonify.m4 new file mode 100644 index 0000000000..05baa7a47b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/nocanonify.m4 @@ -0,0 +1,24 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: nocanonify.m4,v 8.12 1999/08/28 00:42:01 ca Exp $') +divert(-1) + +define(`_NO_CANONIFY_', 1) +ifelse(defn(`_ARG_'), `', `', + strcasecmp(defn(`_ARG_'), `canonify_hosts'), `1', + `define(`_CANONIFY_HOSTS_', 1)', + `errprint(`*** ERROR: unknown parameter '"defn(`_ARG_')"` for FEATURE(`nocanonify') +')') diff --git a/contrib/sendmail-8.13.4/cf/feature/notsticky.m4 b/contrib/sendmail-8.13.4/cf/feature/notsticky.m4 new file mode 100644 index 0000000000..1cecca5f13 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/notsticky.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: notsticky.m4,v 8.11 1999/02/07 07:26:11 gshapiro Exp $') +# +# This is now the default. Use ``FEATURE(stickyhost)'' if you want +# the old default behaviour. +# +divert(-1) diff --git a/contrib/sendmail-8.13.4/cf/feature/nouucp.m4 b/contrib/sendmail-8.13.4/cf/feature/nouucp.m4 new file mode 100644 index 0000000000..a03104964d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/nouucp.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: nouucp.m4,v 8.13 1999/11/24 18:37:07 ca Exp $') +divert(-1) + +ifelse(defn(`_ARG_'), `', + `errprint(`*** ERROR: missing argument for FEATURE(nouucp): + use `reject' or `nospecial'. See cf/README. +')define(`_NO_UUCP_', `e')', + substr(_ARG_,0,1), `r', `define(`_NO_UUCP_', `r')', + substr(_ARG_,0,1), `n', `define(`_NO_UUCP_', `n')', + `errprint(`*** ERROR: illegal argument _ARG_ for FEATURE(nouucp) +') + ') diff --git a/contrib/sendmail-8.13.4/cf/feature/nullclient.m4 b/contrib/sendmail-8.13.4/cf/feature/nullclient.m4 new file mode 100644 index 0000000000..8f35ca1c16 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/nullclient.m4 @@ -0,0 +1,38 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +ifelse(defn(`_ARG_'), `', `errprint(`Feature "nullclient" requires argument')', + `define(`_NULL_CLIENT_', _ARG_)') + +# +# This is used only for relaying mail from a client to a hub when +# that client does absolutely nothing else -- i.e., it is a "null +# mailer". In this sense, it acts like the "R" option in Sun +# sendmail. +# + +divert(0) +VERSIONID(`$Id: nullclient.m4,v 8.24 2000/09/17 17:30:00 gshapiro Exp $') +divert(-1) + +undefine(`ALIAS_FILE') +define(`MAIL_HUB', _NULL_CLIENT_) +define(`SMART_HOST', _NULL_CLIENT_) +define(`confFORWARD_PATH', `') +ifdef(`confFROM_HEADER',, `define(`confFROM_HEADER', `<$g>')') +define(`_DEF_LOCAL_MAILER_FLAGS', `lsDFM5q') +MASQUERADE_AS(_NULL_CLIENT_) +FEATURE(`allmasquerade') +FEATURE(`masquerade_envelope') +MAILER(`local') +MAILER(`smtp') diff --git a/contrib/sendmail-8.13.4/cf/feature/preserve_local_plus_detail.m4 b/contrib/sendmail-8.13.4/cf/feature/preserve_local_plus_detail.m4 new file mode 100644 index 0000000000..bb603a607b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/preserve_local_plus_detail.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: preserve_local_plus_detail.m4,v 8.1 2000/04/10 05:48:05 gshapiro Exp $') +divert(-1) + +define(`_PRESERVE_LOCAL_PLUS_DETAIL_', `1') diff --git a/contrib/sendmail-8.13.4/cf/feature/preserve_luser_host.m4 b/contrib/sendmail-8.13.4/cf/feature/preserve_luser_host.m4 new file mode 100644 index 0000000000..837da99feb --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/preserve_luser_host.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 2000, 2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: preserve_luser_host.m4,v 1.3 2002/04/14 13:22:58 ca Exp $') +divert(-1) + +ifdef(`LUSER_RELAY', `', +`errprint(`*** LUSER_RELAY should be defined before FEATURE(`preserve_luser_host') + ')') +define(`_PRESERVE_LUSER_HOST_', `1') +define(`_NEED_MACRO_MAP_', `1') diff --git a/contrib/sendmail-8.13.4/cf/feature/promiscuous_relay.m4 b/contrib/sendmail-8.13.4/cf/feature/promiscuous_relay.m4 new file mode 100644 index 0000000000..17cb7d1d8b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/promiscuous_relay.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998-1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: promiscuous_relay.m4,v 8.12 2001/02/06 17:14:35 ca Exp $') +divert(-1) + +define(`_PROMISCUOUS_RELAY_', 1) +errprint(`*** WARNING: FEATURE(`promiscuous_relay') configures your system as open + relay. Do NOT use it on a server that is connected to the Internet! +') diff --git a/contrib/sendmail-8.13.4/cf/feature/queuegroup.m4 b/contrib/sendmail-8.13.4/cf/feature/queuegroup.m4 new file mode 100644 index 0000000000..06715a0f3f --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/queuegroup.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: queuegroup.m4,v 1.4 2001/03/28 00:39:39 ca Exp $') +divert(-1) + +ifdef(`_ACCESS_TABLE_', `', + `errprint(`*** ERROR: FEATURE(`queuegroup') requires FEATURE(`access_db') +')') + +LOCAL_RULESETS +Squeuegroup +R< $+ > $1 +R $+ @ $+ $: $>SearchList $| <> +ifelse(len(X`'_ARG_),`1', +`R $@', +`R $# _ARG_') +R<$+> $# $1 diff --git a/contrib/sendmail-8.13.4/cf/feature/ratecontrol.m4 b/contrib/sendmail-8.13.4/cf/feature/ratecontrol.m4 new file mode 100644 index 0000000000..e3389c0c1b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/ratecontrol.m4 @@ -0,0 +1,36 @@ +divert(-1) +# +# Copyright (c) 2003, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: ratecontrol.m4,v 1.5 2004/02/19 21:31:47 ca Exp $') + +divert(-1) +ifdef(`_ACCESS_TABLE_', ` + define(`_RATE_CONTROL_', `1') + ifelse(defn(`_ARG_'), `', `', + strcasecmp(defn(`_ARG_'), `nodelay'), `1', + `ifdef(`_DELAY_CHECKS_', + ` + define(`_RATE_CONTROL_IMMEDIATE_', `1') + define(`_CONTROL_IMMEDIATE_', `1') + ', + `errprint(`*** ERROR: FEATURE(`ratecontrol', `nodelay') requires FEATURE(`delay_checks')')' + )', + `errprint(`*** ERROR: unknown parameter '"defn(`_ARG_')"` for FEATURE(`ratecontrol')')') + define(`_FFR_SRCHLIST_A', `1') + ifelse(len(X`'_ARG2_), `1', `', + _ARG2_, `terminate', `define(`_RATE_CONTROL_REPLY', `421')', + `errprint(`*** ERROR: FEATURE(`ratecontrol'): unknown argument '"_ARG2_" +)' + ) + ', `errprint(`*** ERROR: FEATURE(`ratecontrol') requires FEATURE(`access_db') +')') +ifdef(`_RATE_CONTROL_REPLY',,`define(`_RATE_CONTROL_REPLY', `452')') diff --git a/contrib/sendmail-8.13.4/cf/feature/redirect.m4 b/contrib/sendmail-8.13.4/cf/feature/redirect.m4 new file mode 100644 index 0000000000..e167865efe --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/redirect.m4 @@ -0,0 +1,26 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: redirect.m4,v 8.15 1999/08/06 01:47:36 gshapiro Exp $') +divert(-1) + +LOCAL_RULE_0 +# addresses sent to foo@host.REDIRECT will give a 551 error code +R$* < @ $+ .REDIRECT. > $: $1 < @ $2 . REDIRECT . > < ${opMode} > +R$* < @ $+ .REDIRECT. > $: $1 < @ $2 . REDIRECT. > +R$* < @ $+ .REDIRECT. > < $- > $#error $@ 5.1.1 $: "551 User has moved; please try " <$1@$2> + +LOCAL_CONFIG +CPREDIRECT diff --git a/contrib/sendmail-8.13.4/cf/feature/relay_based_on_MX.m4 b/contrib/sendmail-8.13.4/cf/feature/relay_based_on_MX.m4 new file mode 100644 index 0000000000..872680a480 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/relay_based_on_MX.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: relay_based_on_MX.m4,v 8.11 1999/04/02 02:25:13 gshapiro Exp $') +divert(-1) + +define(`_RELAY_MX_SERVED_', 1) + +LOCAL_CONFIG +# MX map (to allow relaying to hosts that we MX for) +Kmxserved bestmx -z: -T + diff --git a/contrib/sendmail-8.13.4/cf/feature/relay_entire_domain.m4 b/contrib/sendmail-8.13.4/cf/feature/relay_entire_domain.m4 new file mode 100644 index 0000000000..a720b167f2 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/relay_entire_domain.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: relay_entire_domain.m4,v 8.10 1999/02/07 07:26:12 gshapiro Exp $') +divert(-1) + +define(`_RELAY_ENTIRE_DOMAIN_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/relay_hosts_only.m4 b/contrib/sendmail-8.13.4/cf/feature/relay_hosts_only.m4 new file mode 100644 index 0000000000..867d4eda64 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/relay_hosts_only.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: relay_hosts_only.m4,v 8.10 1999/02/07 07:26:12 gshapiro Exp $') +divert(-1) + +define(`_RELAY_HOSTS_ONLY_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/relay_local_from.m4 b/contrib/sendmail-8.13.4/cf/feature/relay_local_from.m4 new file mode 100644 index 0000000000..9858eb8e3b --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/relay_local_from.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998-1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: relay_local_from.m4,v 8.6 2001/02/06 15:55:21 ca Exp $') +divert(-1) + +define(`_RELAY_LOCAL_FROM_', 1) +errprint(`*** WARNING: FEATURE(`relay_local_from') may cause your system to act as open + relay. Use SMTP AUTH or STARTTLS instead. If you cannot use those, + try FEATURE(`relay_mail_from'). +') diff --git a/contrib/sendmail-8.13.4/cf/feature/relay_mail_from.m4 b/contrib/sendmail-8.13.4/cf/feature/relay_mail_from.m4 new file mode 100644 index 0000000000..44bcbd670e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/relay_mail_from.m4 @@ -0,0 +1,23 @@ +divert(-1) +# +# Copyright (c) 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: relay_mail_from.m4,v 8.3 2001/02/06 16:07:12 ca Exp $') +divert(-1) + +ifdef(`_ACCESS_TABLE_', + `define(`_RELAY_DB_FROM_', 1) + ifelse(_ARG_,`domain',`define(`_RELAY_DB_FROM_DOMAIN_', 1)')', + `errprint(`*** ERROR: FEATURE(`relay_mail_from') requires FEATURE(`access_db') +')') +errprint(`*** WARNING: FEATURE(`relay_mail_from') may cause your system to act as open + relay. Use SMTP AUTH or STARTTLS instead. +') diff --git a/contrib/sendmail-8.13.4/cf/feature/smrsh.m4 b/contrib/sendmail-8.13.4/cf/feature/smrsh.m4 new file mode 100644 index 0000000000..2159ff8580 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/smrsh.m4 @@ -0,0 +1,26 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: smrsh.m4,v 8.14 1999/11/18 05:06:23 ca Exp $') +divert(-1) + +ifdef(`_MAILER_local_', + `errprint(`*** FEATURE(smrsh) must occur before MAILER(local) +')')dnl +define(`LOCAL_SHELL_PATH', + ifelse(defn(`_ARG_'), `', + ifdef(`confEBINDIR', confEBINDIR, `/usr/libexec')`/smrsh', + _ARG_)) +_DEFIFNOT(`LOCAL_SHELL_ARGS', `smrsh -c $u') diff --git a/contrib/sendmail-8.13.4/cf/feature/stickyhost.m4 b/contrib/sendmail-8.13.4/cf/feature/stickyhost.m4 new file mode 100644 index 0000000000..1e95be44bc --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/stickyhost.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: stickyhost.m4,v 8.9 1999/02/07 07:26:13 gshapiro Exp $') +divert(-1) + +define(`_STICKY_LOCAL_DOMAIN_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/use_client_ptr.m4 b/contrib/sendmail-8.13.4/cf/feature/use_client_ptr.m4 new file mode 100644 index 0000000000..918dff13c6 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/use_client_ptr.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: use_client_ptr.m4,v 1.1 2004/04/20 22:27:14 ca Exp $') +divert(-1) + +# if defined, check_relay will use {client_ptr} instead of whatever +# is passed in as its first argument. + +define(`_USE_CLIENT_PTR_', `1') + +divert(0) diff --git a/contrib/sendmail-8.13.4/cf/feature/use_ct_file.m4 b/contrib/sendmail-8.13.4/cf/feature/use_ct_file.m4 new file mode 100644 index 0000000000..9e372ec567 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/use_ct_file.m4 @@ -0,0 +1,24 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: use_ct_file.m4,v 8.11 2001/08/26 20:58:57 gshapiro Exp $') +divert(-1) + +# if defined, the sendmail.cf will read the /etc/mail/trusted-users file to +# find the names of trusted users. There should only be a few of these. + +define(`_USE_CT_FILE_', `') + +divert(0) diff --git a/contrib/sendmail-8.13.4/cf/feature/use_cw_file.m4 b/contrib/sendmail-8.13.4/cf/feature/use_cw_file.m4 new file mode 100644 index 0000000000..7058cab141 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/use_cw_file.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: use_cw_file.m4,v 8.11 2001/08/26 20:58:57 gshapiro Exp $') +divert(-1) + +# if defined, the sendmail.cf will read the /etc/mail/local-host-names file +# to find alternate names for this host. Typically only used when several +# hosts have been squashed into one another at high speed. + +define(`USE_CW_FILE', `') + +divert(0) diff --git a/contrib/sendmail-8.13.4/cf/feature/uucpdomain.m4 b/contrib/sendmail-8.13.4/cf/feature/uucpdomain.m4 new file mode 100644 index 0000000000..c6fbc5cc3a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/uucpdomain.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: uucpdomain.m4,v 8.29 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_UUDOMAIN_TABLE_', `') + +LOCAL_CONFIG +# UUCP domain table +Kuudomain ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`uudomain', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=uucpdomain)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/feature/virtuser_entire_domain.m4 b/contrib/sendmail-8.13.4/cf/feature/virtuser_entire_domain.m4 new file mode 100644 index 0000000000..5a1d9f0e9f --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/virtuser_entire_domain.m4 @@ -0,0 +1,16 @@ +divert(-1) +# +# Copyright (c) 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: virtuser_entire_domain.m4,v 8.2 1999/03/16 00:43:05 ca Exp $') +divert(-1) + +define(`_VIRTUSER_ENTIRE_DOMAIN_', 1) diff --git a/contrib/sendmail-8.13.4/cf/feature/virtusertable.m4 b/contrib/sendmail-8.13.4/cf/feature/virtusertable.m4 new file mode 100644 index 0000000000..1717b663b2 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/feature/virtusertable.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: virtusertable.m4,v 8.23 2002/06/27 23:23:57 gshapiro Exp $') +divert(-1) + +define(`_VIRTUSER_TABLE_', `') + +LOCAL_CONFIG +# Virtual user table (maps incoming users) +Kvirtuser ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`virtusertable', + defn(`_ARG_'), `LDAP', `ldap -1 -v sendmailMTAMapValue,sendmailMTAMapSearch:FILTER:sendmailMTAMapObject,sendmailMTAMapURL:URL:sendmailMTAMapObject -k (&(objectClass=sendmailMTAMapObject)(|(sendmailMTACluster=${sendmailMTACluster})(sendmailMTAHost=$j))(sendmailMTAMapName=virtuser)(sendmailMTAKey=%0))', + `_ARG_') diff --git a/contrib/sendmail-8.13.4/cf/hack/cssubdomain.m4 b/contrib/sendmail-8.13.4/cf/hack/cssubdomain.m4 new file mode 100644 index 0000000000..9b0e76a2eb --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/hack/cssubdomain.m4 @@ -0,0 +1,23 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) +VERSIONID(`$Id: cssubdomain.m4,v 8.9 1999/02/07 07:26:14 gshapiro Exp $') + +divert(2) +# find possible (old & new) versions of our name via short circuit hack +# (this code should exist ONLY during the transition from .Berkeley.EDU +# names to .CS.Berkeley.EDU names -- probably not more than a few months) +R$* < @ $=w .CS.Berkeley.EDU > $* $: $1 < @ $j > $3 +R$* < @ $=w .Berkeley.EDU> $* $: $1 < @ $j > $3 +divert(0) diff --git a/contrib/sendmail-8.13.4/cf/m4/cf.m4 b/contrib/sendmail-8.13.4/cf/m4/cf.m4 new file mode 100644 index 0000000000..4f5712b1df --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/m4/cf.m4 @@ -0,0 +1,29 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# +# This file is included so that multiple includes of cf.m4 will work +# + +# figure out where the CF files live +ifdef(`_CF_DIR_', `', + `ifelse(__file__, `__file__', + `define(`_CF_DIR_', `../')', + `define(`_CF_DIR_', + substr(__file__, 0, eval(len(__file__) - 8)))')') + +divert(0)dnl +ifdef(`OSTYPE', `dnl', +`include(_CF_DIR_`'m4/cfhead.m4)dnl +VERSIONID(`$Id: cf.m4,v 8.32 1999/02/07 07:26:14 gshapiro Exp $')') diff --git a/contrib/sendmail-8.13.4/cf/m4/cfhead.m4 b/contrib/sendmail-8.13.4/cf/m4/cfhead.m4 new file mode 100644 index 0000000000..9ccaa24488 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/m4/cfhead.m4 @@ -0,0 +1,309 @@ +# +# Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +###################################################################### +###################################################################### +##### +##### SENDMAIL CONFIGURATION FILE +##### +ifdef(`__win32__', `dnl', `dnl +ifdef(`TEMPFILE', `dnl', `define(`TEMPFILE', maketemp(/tmp/cfXXXXXX))dnl +syscmd(sh _CF_DIR_`'sh/makeinfo.sh _CF_DIR_ > TEMPFILE)dnl +include(TEMPFILE)dnl +syscmd(rm -f TEMPFILE)dnl')') +##### +###################################################################### +##### +##### DO NOT EDIT THIS FILE! Only edit the source .mc file. +##### +###################################################################### +###################################################################### + +divert(-1) + +changecom() +undefine(`format') +undefine(`hpux') +ifdef(`pushdef', `', + `errprint(`You need a newer version of M4, at least as new as +System V or GNU') + include(NoSuchFile)') +define(`PUSHDIVERT', `pushdef(`__D__', divnum)divert($1)') +define(`POPDIVERT', `divert(__D__)popdef(`__D__')') +define(`OSTYPE', + `PUSHDIVERT(-1) + ifdef(`__OSTYPE__', `errprint(`duplicate OSTYPE'($1) +)') + define(`__OSTYPE__', $1) + define(`_ARG_', $2) + include(_CF_DIR_`'ostype/$1.m4)POPDIVERT`'') +## helpful functions +define(`lower', `translit(`$1', `ABCDEFGHIJKLMNOPQRSTUVWXYZ', `abcdefghijklmnopqrstuvwx')') +define(`strcasecmp', `ifelse(lower($1), lower($2), `1', `0')') +## access to further arguments in FEATURE/HACK +define(`_ACC_ARG_1_',`$1') +define(`_ACC_ARG_2_',`$2') +define(`_ACC_ARG_3_',`$3') +define(`_ACC_ARG_4_',`$4') +define(`_ACC_ARG_5_',`$5') +define(`_ACC_ARG_6_',`$6') +define(`_ACC_ARG_7_',`$7') +define(`_ACC_ARG_8_',`$8') +define(`_ACC_ARG_9_',`$9') +define(`_ARG1_',`_ACC_ARG_1_(_ARGS_)') +define(`_ARG2_',`_ACC_ARG_2_(_ARGS_)') +define(`_ARG3_',`_ACC_ARG_3_(_ARGS_)') +define(`_ARG4_',`_ACC_ARG_4_(_ARGS_)') +define(`_ARG5_',`_ACC_ARG_5_(_ARGS_)') +define(`_ARG6_',`_ACC_ARG_6_(_ARGS_)') +define(`_ARG7_',`_ACC_ARG_7_(_ARGS_)') +define(`_ARG8_',`_ACC_ARG_8_(_ARGS_)') +define(`_ARG9_',`_ACC_ARG_9_(_ARGS_)') +dnl define if not yet defined: if `$1' is not defined it will be `$2' +define(`_DEFIFNOT',`ifdef(`$1',`',`define(`$1',`$2')')') +dnl ---------------------------------------- +dnl add a char $2 to a string $1 if it is not there +define(`_ADDCHAR_',`define(`_I_',`eval(index(`$1',`$2') >= 0)')`'ifelse(_I_,`1',`$1',`$1$2')') +dnl ---- +dnl delete a char $2 from a string $1 if it is there +define(`_DELCHAR_',`define(`_IDX_',`index(`$1',`$2')')`'define(`_I_',`eval(_IDX_ >= 0)')`'ifelse(_I_,`1',`substr(`$1',0,_IDX_)`'substr(`$1',eval(_IDX_+1))',`$1')') +dnl ---- +dnl apply a macro to a whole string by recursion (one char at a time) +dnl $1: macro +dnl $2: first argument to macro +dnl $3: list that is split up into characters +define(`_AP_',`ifelse(`$3',`',`$2',`_AP_(`$1',$1(`$2',substr(`$3',0,1)),substr(`$3',1))')') +dnl ---- +dnl MODIFY_MAILER_FLAGS: append tail of $2 to $1_MF_A/D_ +dnl A if head($2) = + +dnl D if head($2) = - +dnl $1_MF_ is set otherwise; set _A/D_ to `' +define(`MODIFY_MAILER_FLAGS',`define(`_hd_',`substr(`$2',0,1)')define(`_tl_',`substr(`$2',1)')`'ifelse(_hd_,`+',`ifdef($1`'_MF_A_, `define($1`'_MF_A_,$1_MF_A_`'_tl_)', `define($1`'_MF_A_, _tl_)')',_hd_,`-',`ifdef($1`'_MF_D_, `define($1`'_MF_D_,$1_MF_D_`'_tl_)', `define($1`'_MF_D_,_tl_)')',`define($1`'_MF_,`$2')define($1`'_MF_A_,`')define($1`'_MF_D_,`')')') +dnl ---- +dnl actually modify flags: +dnl $1: flags (strings) to modify +dnl $2: name of flags (just first part) to modify +dnl WARNING: the order might be important: if someone adds and delete the +dnl same characters, he does not deserve any better, does he? +dnl this could be coded more efficiently... (do not apply the macro if _MF_A/D_ is undefined) +define(`_MODMF_',`ifdef($2`'_MF_,`$2_MF_',`_AP_(`_ADDCHAR_',_AP_(`_DELCHAR_',$1,ifdef($2`'_MF_D_,`$2_MF_D_',`')),ifdef($2`'_MF_A_,`$2_MF_A_',`'))')') +dnl usage: +dnl MODIFY_MAILER_FLAGS(`LOCAL',`+FlaGs')dnl +dnl in MAILER.m4: _MODMF_(LMF,`LOCAL') +dnl ---------------------------------------- +define(`MAILER', +`define(`_M_N_', `ifelse(`$2', `', `$1', `$2')')dnl +ifdef(`_MAILER_DEFINED_', `', `define(`_MAILER_DEFINED_', `1')')dnl +ifdef(_MAILER_`'_M_N_`'_, +`errprint(`*** ERROR: MAILER('_M_N_`) already included +')', +`define(_MAILER_`'_M_N_`'_, `')define(`_ARG_', `$2')define(`_ARGS_', `shift($@)')PUSHDIVERT(7)include(_CF_DIR_`'mailer/$1.m4)POPDIVERT`'')') +define(`DOMAIN', `PUSHDIVERT(-1)define(`_ARG_', `$2')include(_CF_DIR_`'domain/$1.m4)POPDIVERT`'') +define(`FEATURE', `PUSHDIVERT(-1)ifdef(`_MAILER_DEFINED_',`errprint(`*** ERROR: FEATURE() should be before MAILER() +')')define(`_ARG_', `$2')define(`_ARGS_', `shift($@)')include(_CF_DIR_`'feature/$1.m4)POPDIVERT`'') +define(`HACK', `PUSHDIVERT(-1)define(`_ARG_', `$2')define(`_ARGS_', `shift($@)')include(_CF_DIR_`'hack/$1.m4)POPDIVERT`'') +define(`_DPO_',`') +define(`DAEMON_OPTIONS', `define(`_DPO_', defn(`_DPO_') +O DaemonPortOptions=`$1')') +define(`_CPO_',`') +define(`CLIENT_OPTIONS', `define(`_CPO_', defn(`_CPO_') +O ClientPortOptions=`$1')') +define(`_MAIL_FILTERS_', `') +define(`_MAIL_FILTERS_DEF', `') +define(`MAIL_FILTER', `define(`_MAIL_FILTERS_', defn(`_MAIL_FILTERS_') +X`'$1`, '`$2') +define(`_MAIL_FILTERS_DEF', defn(`_MAIL_FILTERS_DEF')`X')') +define(`INPUT_MAIL_FILTER', `MAIL_FILTER(`$1', `$2') +ifelse(defn(`confINPUT_MAIL_FILTERS')X, `X', +`define(`confINPUT_MAIL_FILTERS', $1)', +`define(`confINPUT_MAIL_FILTERS', defn(`confINPUT_MAIL_FILTERS')`, '`$1')')') +define(`_QUEUE_GROUP_', `') +define(`QUEUE_GROUP', `define(`_QUEUE_GROUP_', defn(`_QUEUE_GROUP_') +Q`'$1`, '`$2')') +define(`CF_LEVEL', `10')dnl +define(`VERSIONID', ``##### $1 #####'') +define(`LOCAL_RULE_0', `divert(3)') +dnl for UUCP... +define(`LOCAL_UUCP', `divert(4)') +define(`LOCAL_RULE_1', +`divert(9)dnl +####################################### +### Ruleset 1 -- Sender Rewriting ### +####################################### + +Ssender=1 +') +define(`LOCAL_RULE_2', +`divert(9)dnl +########################################## +### Ruleset 2 -- Recipient Rewriting ### +########################################## + +Srecipient=2 +') +define(`LOCAL_RULESETS', +`divert(9) + +') +define(`LOCAL_SRV_FEATURES', +`define(`_LOCAL_SRV_FEATURES_') +ifdef(`_MAILER_DEFINED_',,`errprint(`*** WARNING: MAILER() should be before LOCAL_SRV_FEATURES +')') +divert(9) +SLocal_srv_features') +define(`LOCAL_TRY_TLS', +`define(`_LOCAL_TRY_TLS_') +ifdef(`_MAILER_DEFINED_',,`errprint(`*** WARNING: MAILER() should be before LOCAL_TRY_TLS +')') +divert(9) +SLocal_try_tls') +define(`LOCAL_TLS_RCPT', +`define(`_LOCAL_TLS_RCPT_') +ifdef(`_MAILER_DEFINED_',,`errprint(`*** WARNING: MAILER() should be before LOCAL_TLS_RCPT +')') +divert(9) +SLocal_tls_rcpt') +define(`LOCAL_TLS_CLIENT', +`define(`_LOCAL_TLS_CLIENT_') +ifdef(`_MAILER_DEFINED_',,`errprint(`*** WARNING: MAILER() should be before LOCAL_TLS_CLIENT +')') +divert(9) +SLocal_tls_client') +define(`LOCAL_TLS_SERVER', +`define(`_LOCAL_TLS_SERVER_') +ifdef(`_MAILER_DEFINED_',,`errprint(`*** WARNING: MAILER() should be before LOCAL_TLS_SERVER +')') +divert(9) +SLocal_tls_server') +define(`LOCAL_RULE_3', `divert(2)') +define(`LOCAL_CONFIG', `divert(6)') +define(`MAILER_DEFINITIONS', `divert(7)') +define(`LOCAL_NET_CONFIG', `define(`_LOCAL_RULES_', 1)divert(1)') +define(`UUCPSMTP', `R DOL(*) < @ $1 .UUCP > DOL(*) DOL(1) < @ $2 > DOL(2)') +define(`CONCAT', `$1$2$3$4$5$6$7') +define(`DOL', ``$'$1') +define(`SITECONFIG', +`CONCAT(D, $3, $2) +define(`_CLASS_$3_', `')dnl +ifelse($3, U, C{w}$2 $2.UUCP, `dnl') +define(`SITE', `ifelse(CONCAT($'2`, $3), SU, + CONCAT(CY, $'1`), + CONCAT(C, $3, $'1`))') +sinclude(_CF_DIR_`'siteconfig/$1.m4)') +define(`EXPOSED_USER', `PUSHDIVERT(5)C{E}$1 +POPDIVERT`'dnl`'') +define(`EXPOSED_USER_FILE', `PUSHDIVERT(5)F{E}$1 +POPDIVERT`'dnl`'') +define(`LOCAL_USER', `PUSHDIVERT(5)C{L}$1 +POPDIVERT`'dnl`'') +define(`LOCAL_USER_FILE', `PUSHDIVERT(5)F{L}$1 +POPDIVERT`'dnl`'') +define(`MASQUERADE_AS', `define(`MASQUERADE_NAME', $1)') +define(`MASQUERADE_DOMAIN', `PUSHDIVERT(5)C{M}$1 +POPDIVERT`'dnl`'') +define(`MASQUERADE_EXCEPTION', `PUSHDIVERT(5)C{N}$1 +POPDIVERT`'dnl`'') +define(`MASQUERADE_DOMAIN_FILE', `PUSHDIVERT(5)F{M}$1 +POPDIVERT`'dnl`'') +define(`MASQUERADE_EXCEPTION_FILE', `PUSHDIVERT(5)F{N}$1 +POPDIVERT`'dnl`'') +define(`LOCAL_DOMAIN', `PUSHDIVERT(5)C{w}$1 +POPDIVERT`'dnl`'') +define(`CANONIFY_DOMAIN', `PUSHDIVERT(5)C{Canonify}$1 +POPDIVERT`'dnl`'') +define(`CANONIFY_DOMAIN_FILE', `PUSHDIVERT(5)F{Canonify}$1 +POPDIVERT`'dnl`'') +define(`GENERICS_DOMAIN', `PUSHDIVERT(5)C{G}$1 +POPDIVERT`'dnl`'') +define(`GENERICS_DOMAIN_FILE', `PUSHDIVERT(5)F{G}$1 +POPDIVERT`'dnl`'') +define(`LDAPROUTE_DOMAIN', `PUSHDIVERT(5)C{LDAPRoute}$1 +POPDIVERT`'dnl`'') +define(`LDAPROUTE_DOMAIN_FILE', `PUSHDIVERT(5)F{LDAPRoute}$1 +POPDIVERT`'dnl`'') +define(`LDAPROUTE_EQUIVALENT', `PUSHDIVERT(5)C{LDAPRouteEquiv}$1 +POPDIVERT`'dnl`'') +define(`LDAPROUTE_EQUIVALENT_FILE', `PUSHDIVERT(5)F{LDAPRouteEquiv}$1 +POPDIVERT`'dnl`'') +define(`VIRTUSER_DOMAIN', `PUSHDIVERT(5)C{VirtHost}$1 +define(`_VIRTHOSTS_') +POPDIVERT`'dnl`'') +define(`VIRTUSER_DOMAIN_FILE', `PUSHDIVERT(5)F{VirtHost}$1 +define(`_VIRTHOSTS_') +POPDIVERT`'dnl`'') +define(`RELAY_DOMAIN', `PUSHDIVERT(5)C{R}$1 +POPDIVERT`'dnl`'') +define(`RELAY_DOMAIN_FILE', `PUSHDIVERT(5)F{R}$1 +POPDIVERT`'dnl`'') +define(`TRUST_AUTH_MECH', `_DEFIFNOT(`_USE_AUTH_',`1')PUSHDIVERT(5)C{TrustAuthMech}$1 +POPDIVERT`'dnl`'') +define(`_OPTINS', `ifdef(`$1', `$2$1$3')') + + +m4wrap(`include(_CF_DIR_`m4/proto.m4')') + +# default location for files +ifdef(`MAIL_SETTINGS_DIR', , `define(`MAIL_SETTINGS_DIR', `/etc/mail/')') + +# set our default hashed database type +define(`DATABASE_MAP_TYPE', `hash') + +# set up default values for options +define(`ALIAS_FILE', `MAIL_SETTINGS_DIR`'aliases') +define(`confMAILER_NAME', ``MAILER-DAEMON'') +define(`confFROM_LINE', `From $g $d') +define(`confOPERATORS', `.:%@!^/[]+') +define(`confSMTP_LOGIN_MSG', `$j Sendmail $v/$Z; $b') +define(`_REC_AUTH_', `$.$?{auth_type}(authenticated') +define(`_REC_FULL_AUTH_', `$.$?{auth_type}(user=${auth_authen} $?{auth_author}author=${auth_author} $.mech=${auth_type}') +define(`_REC_HDR_', `$?sfrom $s $.$?_($?s$|from $.$_)') +define(`_REC_END_', `for $u; $|; + $.$b') +define(`_REC_TLS_', `(version=${tls_version} cipher=${cipher} bits=${cipher_bits} verify=${verify})$.$?u') +define(`_REC_BY_', `$.by $j ($v/$Z)$?r with $r$. id $i$?{tls_version}') +define(`confRECEIVED_HEADER', `_REC_HDR_ + _REC_AUTH_$?{auth_ssf} bits=${auth_ssf}$.) + _REC_BY_ + _REC_TLS_ + _REC_END_') +define(`confSEVEN_BIT_INPUT', `False') +define(`confALIAS_WAIT', `10') +define(`confMIN_FREE_BLOCKS', `100') +define(`confBLANK_SUB', `.') +define(`confCON_EXPENSIVE', `False') +define(`confDELIVERY_MODE', `background') +define(`confTEMP_FILE_MODE', `0600') +define(`confMCI_CACHE_SIZE', `2') +define(`confMCI_CACHE_TIMEOUT', `5m') +define(`confUSE_ERRORS_TO', `False') +define(`confLOG_LEVEL', `9') +define(`confCHECK_ALIASES', `False') +define(`confOLD_STYLE_HEADERS', `True') +define(`confPRIVACY_FLAGS', `authwarnings') +define(`confSAFE_QUEUE', `True') +define(`confTO_QUEUERETURN', `5d') +define(`confTO_QUEUEWARN', `4h') +define(`confTIME_ZONE', `USE_SYSTEM') +define(`confCW_FILE', `MAIL_SETTINGS_DIR`'local-host-names') +define(`confMIME_FORMAT_ERRORS', `True') +define(`confFORWARD_PATH', `$z/.forward.$w:$z/.forward') +define(`confCR_FILE', `-o MAIL_SETTINGS_DIR`'relay-domains') +define(`confMILTER_MACROS_CONNECT', ``j, _, {daemon_name}, {if_name}, {if_addr}'') +define(`confMILTER_MACROS_HELO', ``{tls_version}, {cipher}, {cipher_bits}, {cert_subject}, {cert_issuer}'') +define(`confMILTER_MACROS_ENVFROM', ``i, {auth_type}, {auth_authen}, {auth_ssf}, {auth_author}, {mail_mailer}, {mail_host}, {mail_addr}'') +define(`confMILTER_MACROS_ENVRCPT', ``{rcpt_mailer}, {rcpt_host}, {rcpt_addr}'') +define(`confMILTER_MACROS_EOM', `{msg_id}') + + +divert(0)dnl +VERSIONID(`$Id: cfhead.m4,v 8.116 2004/01/28 22:02:22 ca Exp $') diff --git a/contrib/sendmail-8.13.4/cf/m4/proto.m4 b/contrib/sendmail-8.13.4/cf/m4/proto.m4 new file mode 100644 index 0000000000..ccad77cec5 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/m4/proto.m4 @@ -0,0 +1,2938 @@ +divert(-1) +# +# Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +divert(0) + +VERSIONID(`$Id: proto.m4,v 8.711 2004/08/04 21:29:55 ca Exp $') + +# level CF_LEVEL config file format +V`'CF_LEVEL/ifdef(`VENDOR_NAME', `VENDOR_NAME', `Berkeley') +divert(-1) + +dnl if MAILER(`local') not defined: do it ourself; be nice +dnl maybe we should issue a warning? +ifdef(`_MAILER_local_',`', `MAILER(local)') + +# do some sanity checking +ifdef(`__OSTYPE__',, + `errprint(`*** ERROR: No system type defined (use OSTYPE macro) +')') + +# pick our default mailers +ifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `esmtp')') +ifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')') +ifdef(`confRELAY_MAILER',, + `define(`confRELAY_MAILER', + `ifdef(`_MAILER_smtp_', `relay', + `ifdef(`_MAILER_uucp', `uucp-new', `unknown')')')') +ifdef(`confUUCP_MAILER',, `define(`confUUCP_MAILER', `uucp-old')') +define(`_SMTP_', `confSMTP_MAILER')dnl for readability only +define(`_LOCAL_', `confLOCAL_MAILER')dnl for readability only +define(`_RELAY_', `confRELAY_MAILER')dnl for readability only +define(`_UUCP_', `confUUCP_MAILER')dnl for readability only + +# back compatibility with old config files +ifdef(`confDEF_GROUP_ID', +`errprint(`*** confDEF_GROUP_ID is obsolete. + Use confDEF_USER_ID with a colon in the value instead. +')') +ifdef(`confREAD_TIMEOUT', +`errprint(`*** confREAD_TIMEOUT is obsolete. + Use individual confTO_ parameters instead. +')') +ifdef(`confMESSAGE_TIMEOUT', + `define(`_ARG_', index(confMESSAGE_TIMEOUT, /)) + ifelse(_ARG_, -1, + `define(`confTO_QUEUERETURN', confMESSAGE_TIMEOUT)', + `define(`confTO_QUEUERETURN', + substr(confMESSAGE_TIMEOUT, 0, _ARG_)) + define(`confTO_QUEUEWARN', + substr(confMESSAGE_TIMEOUT, eval(_ARG_+1)))')') +ifdef(`confMIN_FREE_BLOCKS', `ifelse(index(confMIN_FREE_BLOCKS, /), -1,, +`errprint(`*** compound confMIN_FREE_BLOCKS is obsolete. + Use confMAX_MESSAGE_SIZE for the second part of the value. +')')') + + +# Sanity check on ldap_routing feature +# If the user doesn't specify a new map, they better have given as a +# default LDAP specification which has the LDAP base (and most likely the host) +ifdef(`confLDAP_DEFAULT_SPEC',, `ifdef(`_LDAP_ROUTING_WARN_', `errprint(` +WARNING: Using default FEATURE(ldap_routing) map definition(s) +without setting confLDAP_DEFAULT_SPEC option. +')')')dnl + +# clean option definitions below.... +define(`_OPTION', `ifdef(`$2', `O $1`'ifelse(defn(`$2'), `',, `=$2')', `#O $1`'ifelse(`$3', `',,`=$3')')')dnl + +dnl required to "rename" the check_* rulesets... +define(`_U_',ifdef(`_DELAY_CHECKS_',`',`_')) +dnl default relaying denied message +ifdef(`confRELAY_MSG', `', `define(`confRELAY_MSG', +ifdef(`_USE_AUTH_', `"550 Relaying denied. Proper authentication required."', `"550 Relaying denied"'))') +ifdef(`confRCPTREJ_MSG', `', `define(`confRCPTREJ_MSG', `"550 Mailbox disabled for this recipient"')') +define(`_CODE553', `553') +divert(0)dnl + +# override file safeties - setting this option compromises system security, +# addressing the actual file configuration problem is preferred +# need to set this before any file actions are encountered in the cf file +_OPTION(DontBlameSendmail, `confDONT_BLAME_SENDMAIL', `safe') + +# default LDAP map specification +# need to set this now before any LDAP maps are defined +_OPTION(LDAPDefaultSpec, `confLDAP_DEFAULT_SPEC', `-h localhost') + +################## +# local info # +################## + +# my LDAP cluster +# need to set this before any LDAP lookups are done (including classes) +ifdef(`confLDAP_CLUSTER', `D{sendmailMTACluster}`'confLDAP_CLUSTER', `#D{sendmailMTACluster}$m') + +Cwlocalhost +ifdef(`USE_CW_FILE', +`# file containing names of hosts for which we receive email +Fw`'confCW_FILE', + `dnl') + +# my official domain name +# ... `define' this only if sendmail cannot automatically determine your domain +ifdef(`confDOMAIN_NAME', `Dj`'confDOMAIN_NAME', `#Dj$w.Foo.COM') + +# host/domain names ending with a token in class P are canonical +CP. + +ifdef(`UUCP_RELAY', +`# UUCP relay host +DY`'UUCP_RELAY +CPUUCP + +')dnl +ifdef(`BITNET_RELAY', +`# BITNET relay host +DB`'BITNET_RELAY +CPBITNET + +')dnl +ifdef(`DECNET_RELAY', +`define(`_USE_DECNET_SYNTAX_', 1)dnl +# DECnet relay host +DC`'DECNET_RELAY +CPDECNET + +')dnl +ifdef(`FAX_RELAY', +`# FAX relay host +DF`'FAX_RELAY +CPFAX + +')dnl +# "Smart" relay host (may be null) +DS`'ifdef(`SMART_HOST', `SMART_HOST') + +ifdef(`LUSER_RELAY', `dnl +# place to which unknown users should be forwarded +Kuser user -m -a<> +DL`'LUSER_RELAY', +`dnl') + +# operators that cannot be in local usernames (i.e., network indicators) +CO @ % ifdef(`_NO_UUCP_', `', `!') + +# a class with just dot (for identifying canonical names) +C.. + +# a class with just a left bracket (for identifying domain literals) +C[[ + +ifdef(`_ACCESS_TABLE_', `dnl +# access_db acceptance class +C{Accept}OK RELAY +ifdef(`_DELAY_COMPAT_8_10_',`dnl +ifdef(`_BLACKLIST_RCPT_',`dnl +# possible access_db RHS for spam friends/haters +C{SpamTag}SPAMFRIEND SPAMHATER')')', +`dnl') + +dnl mark for "domain is ok" (resolved or accepted anyway) +define(`_RES_OK_', `OKR')dnl +ifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_',`dnl',`dnl +# Resolve map (to check if a host exists in check_mail) +Kresolve host -a<_RES_OK_> -T') +C{ResOk}_RES_OK_ + +ifdef(`_NEED_MACRO_MAP_', `dnl +ifdef(`_MACRO_MAP_', `', `# macro storage map +define(`_MACRO_MAP_', `1')dnl +Kmacro macro')', `dnl') + +ifdef(`confCR_FILE', `dnl +# Hosts for which relaying is permitted ($=R) +FR`'confCR_FILE', +`dnl') + +define(`TLS_SRV_TAG', `"TLS_Srv"')dnl +define(`TLS_CLT_TAG', `"TLS_Clt"')dnl +define(`TLS_RCPT_TAG', `"TLS_Rcpt"')dnl +define(`TLS_TRY_TAG', `"Try_TLS"')dnl +define(`SRV_FEAT_TAG', `"Srv_Features"')dnl +dnl this may be useful in other contexts too +ifdef(`_ARITH_MAP_', `', `# arithmetic map +define(`_ARITH_MAP_', `1')dnl +Karith arith') +ifdef(`_ACCESS_TABLE_', `dnl +ifdef(`_MACRO_MAP_', `', `# macro storage map +define(`_MACRO_MAP_', `1')dnl +Kmacro macro') +# possible values for TLS_connection in access map +C{Tls}VERIFY ENCR', `dnl') +ifdef(`_CERT_REGEX_ISSUER_', `dnl +# extract relevant part from cert issuer +KCERTIssuer regex _CERT_REGEX_ISSUER_', `dnl') +ifdef(`_CERT_REGEX_SUBJECT_', `dnl +# extract relevant part from cert subject +KCERTSubject regex _CERT_REGEX_SUBJECT_', `dnl') + +ifdef(`LOCAL_RELAY', `dnl +# who I send unqualified names to if `FEATURE(stickyhost)' is used +# (null means deliver locally) +DR`'LOCAL_RELAY') + +ifdef(`MAIL_HUB', `dnl +# who gets all local email traffic +# ($R has precedence for unqualified names if `FEATURE(stickyhost)' is used) +DH`'MAIL_HUB') + +# dequoting map +Kdequote dequote`'ifdef(`confDEQUOTE_OPTS', ` confDEQUOTE_OPTS', `') + +divert(0)dnl # end of nullclient diversion +# class E: names that should be exposed as from this host, even if we masquerade +# class L: names that should be delivered locally, even if we have a relay +# class M: domains that should be converted to $M +# class N: domains that should not be converted to $M +#CL root +undivert(5)dnl +ifdef(`_VIRTHOSTS_', `CR$={VirtHost}', `dnl') + +ifdef(`MASQUERADE_NAME', `dnl +# who I masquerade as (null for no masquerading) (see also $=M) +DM`'MASQUERADE_NAME') + +# my name for error messages +ifdef(`confMAILER_NAME', `Dn`'confMAILER_NAME', `#DnMAILER-DAEMON') + +undivert(6)dnl LOCAL_CONFIG +include(_CF_DIR_`m4/version.m4') + +############### +# Options # +############### +ifdef(`confAUTO_REBUILD', +`errprint(WARNING: `confAUTO_REBUILD' is no longer valid. + There was a potential for a denial of service attack if this is set. +)')dnl + +# strip message body to 7 bits on input? +_OPTION(SevenBitInput, `confSEVEN_BIT_INPUT', `False') + +# 8-bit data handling +_OPTION(EightBitMode, `confEIGHT_BIT_HANDLING', `pass8') + +# wait for alias file rebuild (default units: minutes) +_OPTION(AliasWait, `confALIAS_WAIT', `5m') + +# location of alias file +_OPTION(AliasFile, `ALIAS_FILE', `MAIL_SETTINGS_DIR`'aliases') + +# minimum number of free blocks on filesystem +_OPTION(MinFreeBlocks, `confMIN_FREE_BLOCKS', `100') + +# maximum message size +_OPTION(MaxMessageSize, `confMAX_MESSAGE_SIZE', `0') + +# substitution for space (blank) characters +_OPTION(BlankSub, `confBLANK_SUB', `_') + +# avoid connecting to "expensive" mailers on initial submission? +_OPTION(HoldExpensive, `confCON_EXPENSIVE', `False') + +# checkpoint queue runs after every N successful deliveries +_OPTION(CheckpointInterval, `confCHECKPOINT_INTERVAL', `10') + +# default delivery mode +_OPTION(DeliveryMode, `confDELIVERY_MODE', `background') + +# error message header/file +_OPTION(ErrorHeader, `confERROR_MESSAGE', `MAIL_SETTINGS_DIR`'error-header') + +# error mode +_OPTION(ErrorMode, `confERROR_MODE', `print') + +# save Unix-style "From_" lines at top of header? +_OPTION(SaveFromLine, `confSAVE_FROM_LINES', `False') + +# queue file mode (qf files) +_OPTION(QueueFileMode, `confQUEUE_FILE_MODE', `0600') + +# temporary file mode +_OPTION(TempFileMode, `confTEMP_FILE_MODE', `0600') + +# match recipients against GECOS field? +_OPTION(MatchGECOS, `confMATCH_GECOS', `False') + +# maximum hop count +_OPTION(MaxHopCount, `confMAX_HOP', `25') + +# location of help file +O HelpFile=ifdef(`HELP_FILE', HELP_FILE, `MAIL_SETTINGS_DIR`'helpfile') + +# ignore dots as terminators in incoming messages? +_OPTION(IgnoreDots, `confIGNORE_DOTS', `False') + +# name resolver options +_OPTION(ResolverOptions, `confBIND_OPTS', `+AAONLY') + +# deliver MIME-encapsulated error messages? +_OPTION(SendMimeErrors, `confMIME_FORMAT_ERRORS', `True') + +# Forward file search path +_OPTION(ForwardPath, `confFORWARD_PATH', `/var/forward/$u:$z/.forward.$w:$z/.forward') + +# open connection cache size +_OPTION(ConnectionCacheSize, `confMCI_CACHE_SIZE', `2') + +# open connection cache timeout +_OPTION(ConnectionCacheTimeout, `confMCI_CACHE_TIMEOUT', `5m') + +# persistent host status directory +_OPTION(HostStatusDirectory, `confHOST_STATUS_DIRECTORY', `.hoststat') + +# single thread deliveries (requires HostStatusDirectory)? +_OPTION(SingleThreadDelivery, `confSINGLE_THREAD_DELIVERY', `False') + +# use Errors-To: header? +_OPTION(UseErrorsTo, `confUSE_ERRORS_TO', `False') + +# log level +_OPTION(LogLevel, `confLOG_LEVEL', `10') + +# send to me too, even in an alias expansion? +_OPTION(MeToo, `confME_TOO', `True') + +# verify RHS in newaliases? +_OPTION(CheckAliases, `confCHECK_ALIASES', `False') + +# default messages to old style headers if no special punctuation? +_OPTION(OldStyleHeaders, `confOLD_STYLE_HEADERS', `False') + +# SMTP daemon options +ifelse(defn(`confDAEMON_OPTIONS'), `', `dnl', +`errprint(WARNING: `confDAEMON_OPTIONS' is no longer valid. + Use `DAEMON_OPTIONS()'; see cf/README. +)'dnl +`DAEMON_OPTIONS(`confDAEMON_OPTIONS')') +ifelse(defn(`_DPO_'), `', +`ifdef(`_NETINET6_', `O DaemonPortOptions=Name=MTA-v4, Family=inet +O DaemonPortOptions=Name=MTA-v6, Family=inet6',`O DaemonPortOptions=Name=MTA')', `_DPO_') +ifdef(`_NO_MSA_', `dnl', `O DaemonPortOptions=Port=587, Name=MSA, M=E') + +# SMTP client options +ifelse(defn(`confCLIENT_OPTIONS'), `', `dnl', +`errprint(WARNING: `confCLIENT_OPTIONS' is no longer valid. See cf/README for more information. +)'dnl +`CLIENT_OPTIONS(`confCLIENT_OPTIONS')') +ifelse(defn(`_CPO_'), `', +`#O ClientPortOptions=Family=inet, Address=0.0.0.0', `_CPO_') + +# Modifiers to `define' {daemon_flags} for direct submissions +_OPTION(DirectSubmissionModifiers, `confDIRECT_SUBMISSION_MODIFIERS', `') + +# Use as mail submission program? See sendmail/SECURITY +_OPTION(UseMSP, `confUSE_MSP', `') + +# privacy flags +_OPTION(PrivacyOptions, `confPRIVACY_FLAGS', `authwarnings') + +# who (if anyone) should get extra copies of error messages +_OPTION(PostmasterCopy, `confCOPY_ERRORS_TO', `Postmaster') + +# slope of queue-only function +_OPTION(QueueFactor, `confQUEUE_FACTOR', `600000') + +# limit on number of concurrent queue runners +_OPTION(MaxQueueChildren, `confMAX_QUEUE_CHILDREN', `') + +# maximum number of queue-runners per queue-grouping with multiple queues +_OPTION(MaxRunnersPerQueue, `confMAX_RUNNERS_PER_QUEUE', `1') + +# priority of queue runners (nice(3)) +_OPTION(NiceQueueRun, `confNICE_QUEUE_RUN', `') + +# shall we sort the queue by hostname first? +_OPTION(QueueSortOrder, `confQUEUE_SORT_ORDER', `priority') + +# minimum time in queue before retry +_OPTION(MinQueueAge, `confMIN_QUEUE_AGE', `30m') + +# how many jobs can you process in the queue? +_OPTION(MaxQueueRunSize, `confMAX_QUEUE_RUN_SIZE', `10000') + +# perform initial split of envelope without checking MX records +_OPTION(FastSplit, `confFAST_SPLIT', `1') + +# queue directory +O QueueDirectory=ifdef(`QUEUE_DIR', QUEUE_DIR, `/var/spool/mqueue') + +# key for shared memory; 0 to turn off +_OPTION(SharedMemoryKey, `confSHARED_MEMORY_KEY', `0') + +ifdef(`confSHARED_MEMORY_KEY_FILE', `dnl +# file to store key for shared memory (if SharedMemoryKey = -1) +O SharedMemoryKeyFile=confSHARED_MEMORY_KEY_FILE') + +# timeouts (many of these) +_OPTION(Timeout.initial, `confTO_INITIAL', `5m') +_OPTION(Timeout.connect, `confTO_CONNECT', `5m') +_OPTION(Timeout.aconnect, `confTO_ACONNECT', `0s') +_OPTION(Timeout.iconnect, `confTO_ICONNECT', `5m') +_OPTION(Timeout.helo, `confTO_HELO', `5m') +_OPTION(Timeout.mail, `confTO_MAIL', `10m') +_OPTION(Timeout.rcpt, `confTO_RCPT', `1h') +_OPTION(Timeout.datainit, `confTO_DATAINIT', `5m') +_OPTION(Timeout.datablock, `confTO_DATABLOCK', `1h') +_OPTION(Timeout.datafinal, `confTO_DATAFINAL', `1h') +_OPTION(Timeout.rset, `confTO_RSET', `5m') +_OPTION(Timeout.quit, `confTO_QUIT', `2m') +_OPTION(Timeout.misc, `confTO_MISC', `2m') +_OPTION(Timeout.command, `confTO_COMMAND', `1h') +_OPTION(Timeout.ident, `confTO_IDENT', `5s') +_OPTION(Timeout.fileopen, `confTO_FILEOPEN', `60s') +_OPTION(Timeout.control, `confTO_CONTROL', `2m') +_OPTION(Timeout.queuereturn, `confTO_QUEUERETURN', `5d') +_OPTION(Timeout.queuereturn.normal, `confTO_QUEUERETURN_NORMAL', `5d') +_OPTION(Timeout.queuereturn.urgent, `confTO_QUEUERETURN_URGENT', `2d') +_OPTION(Timeout.queuereturn.non-urgent, `confTO_QUEUERETURN_NONURGENT', `7d') +_OPTION(Timeout.queuereturn.dsn, `confTO_QUEUERETURN_DSN', `5d') +_OPTION(Timeout.queuewarn, `confTO_QUEUEWARN', `4h') +_OPTION(Timeout.queuewarn.normal, `confTO_QUEUEWARN_NORMAL', `4h') +_OPTION(Timeout.queuewarn.urgent, `confTO_QUEUEWARN_URGENT', `1h') +_OPTION(Timeout.queuewarn.non-urgent, `confTO_QUEUEWARN_NONURGENT', `12h') +_OPTION(Timeout.queuewarn.dsn, `confTO_QUEUEWARN_DSN', `4h') +_OPTION(Timeout.hoststatus, `confTO_HOSTSTATUS', `30m') +_OPTION(Timeout.resolver.retrans, `confTO_RESOLVER_RETRANS', `5s') +_OPTION(Timeout.resolver.retrans.first, `confTO_RESOLVER_RETRANS_FIRST', `5s') +_OPTION(Timeout.resolver.retrans.normal, `confTO_RESOLVER_RETRANS_NORMAL', `5s') +_OPTION(Timeout.resolver.retry, `confTO_RESOLVER_RETRY', `4') +_OPTION(Timeout.resolver.retry.first, `confTO_RESOLVER_RETRY_FIRST', `4') +_OPTION(Timeout.resolver.retry.normal, `confTO_RESOLVER_RETRY_NORMAL', `4') +_OPTION(Timeout.lhlo, `confTO_LHLO', `2m') +_OPTION(Timeout.auth, `confTO_AUTH', `10m') +_OPTION(Timeout.starttls, `confTO_STARTTLS', `1h') + +# time for DeliverBy; extension disabled if less than 0 +_OPTION(DeliverByMin, `confDELIVER_BY_MIN', `0') + +# should we not prune routes in route-addr syntax addresses? +_OPTION(DontPruneRoutes, `confDONT_PRUNE_ROUTES', `False') + +# queue up everything before forking? +_OPTION(SuperSafe, `confSAFE_QUEUE', `True') + +# status file +O StatusFile=ifdef(`STATUS_FILE', `STATUS_FILE', `MAIL_SETTINGS_DIR`'statistics') + +# time zone handling: +# if undefined, use system default +# if defined but null, use TZ envariable passed in +# if defined and non-null, use that info +ifelse(confTIME_ZONE, `USE_SYSTEM', `#O TimeZoneSpec=', + confTIME_ZONE, `USE_TZ', `O TimeZoneSpec=', + `O TimeZoneSpec=confTIME_ZONE') + +# default UID (can be username or userid:groupid) +_OPTION(DefaultUser, `confDEF_USER_ID', `mailnull') + +# list of locations of user database file (null means no lookup) +_OPTION(UserDatabaseSpec, `confUSERDB_SPEC', `MAIL_SETTINGS_DIR`'userdb') + +# fallback MX host +_OPTION(FallbackMXhost, `confFALLBACK_MX', `fall.back.host.net') + +# fallback smart host +_OPTION(FallbackSmartHost, `confFALLBACK_SMARTHOST', `fall.back.host.net') + +# if we are the best MX host for a site, try it directly instead of config err +_OPTION(TryNullMXList, `confTRY_NULL_MX_LIST', `False') + +# load average at which we just queue messages +_OPTION(QueueLA, `confQUEUE_LA', `8') + +# load average at which we refuse connections +_OPTION(RefuseLA, `confREFUSE_LA', `12') + +# log interval when refusing connections for this long +_OPTION(RejectLogInterval, `confREJECT_LOG_INTERVAL', `3h') + +# load average at which we delay connections; 0 means no limit +_OPTION(DelayLA, `confDELAY_LA', `0') + +# maximum number of children we allow at one time +_OPTION(MaxDaemonChildren, `confMAX_DAEMON_CHILDREN', `0') + +# maximum number of new connections per second +_OPTION(ConnectionRateThrottle, `confCONNECTION_RATE_THROTTLE', `0') + +# Width of the window +_OPTION(ConnectionRateWindowSize, `confCONNECTION_RATE_WINDOW_SIZE', `60s') + +# work recipient factor +_OPTION(RecipientFactor, `confWORK_RECIPIENT_FACTOR', `30000') + +# deliver each queued job in a separate process? +_OPTION(ForkEachJob, `confSEPARATE_PROC', `False') + +# work class factor +_OPTION(ClassFactor, `confWORK_CLASS_FACTOR', `1800') + +# work time factor +_OPTION(RetryFactor, `confWORK_TIME_FACTOR', `90000') + +# default character set +_OPTION(DefaultCharSet, `confDEF_CHAR_SET', `unknown-8bit') + +# service switch file (name hardwired on Solaris, Ultrix, OSF/1, others) +_OPTION(ServiceSwitchFile, `confSERVICE_SWITCH_FILE', `MAIL_SETTINGS_DIR`'service.switch') + +# hosts file (normally /etc/hosts) +_OPTION(HostsFile, `confHOSTS_FILE', `/etc/hosts') + +# dialup line delay on connection failure +_OPTION(DialDelay, `confDIAL_DELAY', `10s') + +# action to take if there are no recipients in the message +_OPTION(NoRecipientAction, `confNO_RCPT_ACTION', `add-to-undisclosed') + +# chrooted environment for writing to files +_OPTION(SafeFileEnvironment, `confSAFE_FILE_ENV', `/arch') + +# are colons OK in addresses? +_OPTION(ColonOkInAddr, `confCOLON_OK_IN_ADDR', `True') + +# shall I avoid expanding CNAMEs (violates protocols)? +_OPTION(DontExpandCnames, `confDONT_EXPAND_CNAMES', `False') + +# SMTP initial login message (old $e macro) +_OPTION(SmtpGreetingMessage, `confSMTP_LOGIN_MSG', `$j Sendmail $v ready at $b') + +# UNIX initial From header format (old $l macro) +_OPTION(UnixFromLine, `confFROM_LINE', `From $g $d') + +# From: lines that have embedded newlines are unwrapped onto one line +_OPTION(SingleLineFromHeader, `confSINGLE_LINE_FROM_HEADER', `False') + +# Allow HELO SMTP command that does not `include' a host name +_OPTION(AllowBogusHELO, `confALLOW_BOGUS_HELO', `False') + +# Characters to be quoted in a full name phrase (@,;:\()[] are automatic) +_OPTION(MustQuoteChars, `confMUST_QUOTE_CHARS', `.') + +# delimiter (operator) characters (old $o macro) +_OPTION(OperatorChars, `confOPERATORS', `.:@[]') + +# shall I avoid calling initgroups(3) because of high NIS costs? +_OPTION(DontInitGroups, `confDONT_INIT_GROUPS', `False') + +# are group-writable `:include:' and .forward files (un)trustworthy? +# True (the default) means they are not trustworthy. +_OPTION(UnsafeGroupWrites, `confUNSAFE_GROUP_WRITES', `True') +ifdef(`confUNSAFE_GROUP_WRITES', +`errprint(`WARNING: confUNSAFE_GROUP_WRITES is deprecated; use confDONT_BLAME_SENDMAIL. +')') + +# where do errors that occur when sending errors get sent? +_OPTION(DoubleBounceAddress, `confDOUBLE_BOUNCE_ADDRESS', `postmaster') + +# where to save bounces if all else fails +_OPTION(DeadLetterDrop, `confDEAD_LETTER_DROP', `/var/tmp/dead.letter') + +# what user id do we assume for the majority of the processing? +_OPTION(RunAsUser, `confRUN_AS_USER', `sendmail') + +# maximum number of recipients per SMTP envelope +_OPTION(MaxRecipientsPerMessage, `confMAX_RCPTS_PER_MESSAGE', `0') + +# limit the rate recipients per SMTP envelope are accepted +# once the threshold number of recipients have been rejected +_OPTION(BadRcptThrottle, `confBAD_RCPT_THROTTLE', `0') + +# shall we get local names from our installed interfaces? +_OPTION(DontProbeInterfaces, `confDONT_PROBE_INTERFACES', `False') + +# Return-Receipt-To: header implies DSN request +_OPTION(RrtImpliesDsn, `confRRT_IMPLIES_DSN', `False') + +# override connection address (for testing) +_OPTION(ConnectOnlyTo, `confCONNECT_ONLY_TO', `0.0.0.0') + +# Trusted user for file ownership and starting the daemon +_OPTION(TrustedUser, `confTRUSTED_USER', `root') + +# Control socket for daemon management +_OPTION(ControlSocketName, `confCONTROL_SOCKET_NAME', `/var/spool/mqueue/.control') + +# Maximum MIME header length to protect MUAs +_OPTION(MaxMimeHeaderLength, `confMAX_MIME_HEADER_LENGTH', `0/0') + +# Maximum length of the sum of all headers +_OPTION(MaxHeadersLength, `confMAX_HEADERS_LENGTH', `32768') + +# Maximum depth of alias recursion +_OPTION(MaxAliasRecursion, `confMAX_ALIAS_RECURSION', `10') + +# location of pid file +_OPTION(PidFile, `confPID_FILE', `/var/run/sendmail.pid') + +# Prefix string for the process title shown on 'ps' listings +_OPTION(ProcessTitlePrefix, `confPROCESS_TITLE_PREFIX', `prefix') + +# Data file (df) memory-buffer file maximum size +_OPTION(DataFileBufferSize, `confDF_BUFFER_SIZE', `4096') + +# Transcript file (xf) memory-buffer file maximum size +_OPTION(XscriptFileBufferSize, `confXF_BUFFER_SIZE', `4096') + +# lookup type to find information about local mailboxes +_OPTION(MailboxDatabase, `confMAILBOX_DATABASE', `pw') + +# override compile time flag REQUIRES_DIR_FSYNC +_OPTION(RequiresDirfsync, `confREQUIRES_DIR_FSYNC', `true') + +# list of authentication mechanisms +_OPTION(AuthMechanisms, `confAUTH_MECHANISMS', `EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5') + +# Authentication realm +_OPTION(AuthRealm, `confAUTH_REALM', `') + +# default authentication information for outgoing connections +_OPTION(DefaultAuthInfo, `confDEF_AUTH_INFO', `MAIL_SETTINGS_DIR`'default-auth-info') + +# SMTP AUTH flags +_OPTION(AuthOptions, `confAUTH_OPTIONS', `') + +# SMTP AUTH maximum encryption strength +_OPTION(AuthMaxBits, `confAUTH_MAX_BITS', `') + +# SMTP STARTTLS server options +_OPTION(TLSSrvOptions, `confTLS_SRV_OPTIONS', `') + +# Input mail filters +_OPTION(InputMailFilters, `confINPUT_MAIL_FILTERS', `') + +ifelse(len(X`'_MAIL_FILTERS_DEF), `1', `dnl', `dnl +# Milter options +_OPTION(Milter.LogLevel, `confMILTER_LOG_LEVEL', `') +_OPTION(Milter.macros.connect, `confMILTER_MACROS_CONNECT', `') +_OPTION(Milter.macros.helo, `confMILTER_MACROS_HELO', `') +_OPTION(Milter.macros.envfrom, `confMILTER_MACROS_ENVFROM', `') +_OPTION(Milter.macros.envrcpt, `confMILTER_MACROS_ENVRCPT', `') +_OPTION(Milter.macros.eom, `confMILTER_MACROS_EOM', `')') + +# CA directory +_OPTION(CACertPath, `confCACERT_PATH', `') +# CA file +_OPTION(CACertFile, `confCACERT', `') +# Server Cert +_OPTION(ServerCertFile, `confSERVER_CERT', `') +# Server private key +_OPTION(ServerKeyFile, `confSERVER_KEY', `') +# Client Cert +_OPTION(ClientCertFile, `confCLIENT_CERT', `') +# Client private key +_OPTION(ClientKeyFile, `confCLIENT_KEY', `') +# File containing certificate revocation lists +_OPTION(CRLFile, `confCRL', `') +# DHParameters (only required if DSA/DH is used) +_OPTION(DHParameters, `confDH_PARAMETERS', `') +# Random data source (required for systems without /dev/urandom under OpenSSL) +_OPTION(RandFile, `confRAND_FILE', `') + +############################ +`# QUEUE GROUP DEFINITIONS #' +############################ +_QUEUE_GROUP_ + +########################### +# Message precedences # +########################### + +Pfirst-class=0 +Pspecial-delivery=100 +Plist=-30 +Pbulk=-60 +Pjunk=-100 + +##################### +# Trusted users # +##################### + +# this is equivalent to setting class "t" +ifdef(`_USE_CT_FILE_', `', `#')Ft`'ifdef(`confCT_FILE', confCT_FILE, `MAIL_SETTINGS_DIR`'trusted-users') +Troot +Tdaemon +ifdef(`_NO_UUCP_', `dnl', `Tuucp') +ifdef(`confTRUSTED_USERS', `T`'confTRUSTED_USERS', `dnl') + +######################### +# Format of headers # +######################### + +ifdef(`confFROM_HEADER',, `define(`confFROM_HEADER', `$?x$x <$g>$|$g$.')')dnl +ifdef(`confMESSAGEID_HEADER',, `define(`confMESSAGEID_HEADER', `<$t.$i@$j>')')dnl +H?P?Return-Path: <$g> +HReceived: confRECEIVED_HEADER +H?D?Resent-Date: $a +H?D?Date: $a +H?F?Resent-From: confFROM_HEADER +H?F?From: confFROM_HEADER +H?x?Full-Name: $x +# HPosted-Date: $a +# H?l?Received-Date: $b +H?M?Resent-Message-Id: confMESSAGEID_HEADER +H?M?Message-Id: confMESSAGEID_HEADER + +# +###################################################################### +###################################################################### +##### +##### REWRITING RULES +##### +###################################################################### +###################################################################### + +############################################ +### Ruleset 3 -- Name Canonicalization ### +############################################ +Scanonify=3 + +# handle null input (translate to <@> special case) +R$@ $@ <@> + +# strip group: syntax (not inside angle brackets!) and trailing semicolon +R$* $: $1 <@> mark addresses +R$* < $* > $* <@> $: $1 < $2 > $3 unmark +R@ $* <@> $: @ $1 unmark @host:... +R$* [ IPv6 : $+ ] <@> $: $1 [ IPv6 : $2 ] unmark IPv6 addr +R$* :: $* <@> $: $1 :: $2 unmark node::addr +R:`include': $* <@> $: :`include': $1 unmark :`include':... +R$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon +R$* : $* <@> $: $2 strip colon if marked +R$* <@> $: $1 unmark +R$* ; $1 strip trailing semi +R$* < $+ :; > $* $@ $2 :; <@> catch +R$* < $* ; > $1 < $2 > bogus bracketed semi + +# null input now results from list:; syntax +R$@ $@ :; <@> + +# strip angle brackets -- note RFC733 heuristic to get innermost item +R$* $: < $1 > housekeeping <> +R$+ < $* > < $2 > strip excess on left +R< $* > $+ < $1 > strip excess on right +R<> $@ < @ > MAIL FROM:<> case +R< $+ > $: $1 remove housekeeping <> + +ifdef(`_USE_DEPRECATED_ROUTE_ADDR_',`dnl +# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later +R@ $+ , $+ @ $1 : $2 change all "," to ":" + +# localize and dispose of route-based addresses +dnl XXX: IPv6 colon conflict +ifdef(`NO_NETINET6', `dnl', +`R@ [$+] : $+ $@ $>Canonify2 < @ [$1] > : $2 handle ') +R@ $+ : $+ $@ $>Canonify2 < @$1 > : $2 handle +dnl',`dnl +# strip route address <@a,@b,@c:user@d> -> +R@ $+ , $+ $2 +ifdef(`NO_NETINET6', `dnl', +`R@ [ $* ] : $+ $2') +R@ $+ : $+ $2 +dnl') + +# find focus for list syntax +R $+ : $* ; @ $+ $@ $>Canonify2 $1 : $2 ; < @ $3 > list syntax +R $+ : $* ; $@ $1 : $2; list syntax + +# find focus for @ syntax addresses +R$+ @ $+ $: $1 < @ $2 > focus on domain +R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right +R$+ < @ $+ > $@ $>Canonify2 $1 < @ $2 > already canonical + +dnl This is flagged as an error in S0; no need to silently fix it here. +dnl # do some sanity checking +dnl R$* < @ $~[ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs + +ifdef(`_NO_UUCP_', `dnl', +`# convert old-style addresses to a domain-based address +R$- ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > resolve uucp names +R$+ . $- ! $+ $@ $>Canonify2 $3 < @ $1 . $2 > domain uucps +R$+ ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > uucp subdomains +') +ifdef(`_USE_DECNET_SYNTAX_', +`# convert node::user addresses into a domain-based address +R$- :: $+ $@ $>Canonify2 $2 < @ $1 .DECNET > resolve DECnet names +R$- . $- :: $+ $@ $>Canonify2 $3 < @ $1.$2 .DECNET > numeric DECnet addr +', + `dnl') +# if we have % signs, take the rightmost one +R$* % $* $1 @ $2 First make them all @s. +R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last. +R$* @ $* $@ $>Canonify2 $1 < @ $2 > Insert < > and finish + +# else we must be a local name +R$* $@ $>Canonify2 $1 + + +################################################ +### Ruleset 96 -- bottom half of ruleset 3 ### +################################################ + +SCanonify2=96 + +# handle special cases for local names +R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all +R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain +ifdef(`_NO_UUCP_', `dnl', +`R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain') + +# check for IPv4/IPv6 domain literal +R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [addr] +R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal +R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr + +ifdef(`_DOMAIN_TABLE_', `dnl +# look up domains in the domain table +R$* < @ $+ > $* $: $1 < @ $(domaintable $2 $) > $3', `dnl') + +undivert(2)dnl LOCAL_RULE_3 + +ifdef(`_BITDOMAIN_TABLE_', `dnl +# handle BITNET mapping +R$* < @ $+ .BITNET > $* $: $1 < @ $(bitdomain $2 $: $2.BITNET $) > $3', `dnl') + +ifdef(`_UUDOMAIN_TABLE_', `dnl +# handle UUCP mapping +R$* < @ $+ .UUCP > $* $: $1 < @ $(uudomain $2 $: $2.UUCP $) > $3', `dnl') + +ifdef(`_NO_UUCP_', `dnl', +`ifdef(`UUCP_RELAY', +`# pass UUCP addresses straight through +R$* < @ $+ . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', +`# if really UUCP, handle it immediately +ifdef(`_CLASS_U_', +`R$* < @ $=U . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') +ifdef(`_CLASS_V_', +`R$* < @ $=V . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') +ifdef(`_CLASS_W_', +`R$* < @ $=W . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') +ifdef(`_CLASS_X_', +`R$* < @ $=X . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') +ifdef(`_CLASS_Y_', +`R$* < @ $=Y . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') + +ifdef(`_NO_CANONIFY_', `dnl', `dnl +# try UUCP traffic as a local address +R$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3 +R$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3') +')') +# hostnames ending in class P are always canonical +R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4 +dnl apply the next rule only for hostnames not in class P +dnl this even works for phrases in class P since . is in class P +dnl which daemon flags are set? +R$* < @ $* $~P > $* $: $&{daemon_flags} $| $1 < @ $2 $3 > $4 +dnl the other rules in this section only apply if the hostname +dnl does not end in class P hence no further checks are done here +dnl if this ever changes make sure the lookups are "protected" again! +ifdef(`_NO_CANONIFY_', `dnl +dnl do not canonify unless: +dnl domain ends in class {Canonify} (this does not work if the intersection +dnl with class P is non-empty) +dnl or {daemon_flags} has c set +# pass to name server to make hostname canonical if in class {Canonify} +R$* $| $* < @ $* $={Canonify} > $* $: $2 < @ $[ $3 $4 $] > $5 +# pass to name server to make hostname canonical if requested +R$* c $* $| $* < @ $* > $* $: $3 < @ $[ $4 $] > $5 +dnl trailing dot? -> do not apply _CANONIFY_HOSTS_ +R$* $| $* < @ $+ . > $* $: $2 < @ $3 . > $4 +# add a trailing dot to qualified hostnames so other rules will work +R$* $| $* < @ $+.$+ > $* $: $2 < @ $3.$4 . > $5 +ifdef(`_CANONIFY_HOSTS_', `dnl +dnl this should only apply to unqualified hostnames +dnl but if a valid character inside an unqualified hostname is an OperatorChar +dnl then $- does not work. +# lookup unqualified hostnames +R$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4', `dnl')', `dnl +dnl _NO_CANONIFY_ is not set: canonify unless: +dnl {daemon_flags} contains CC (do not canonify) +dnl but add a trailing dot to qualified hostnames so other rules will work +dnl should we do this for every hostname: even unqualified? +R$* CC $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 +R$* CC $* $| $* $: $3 +ifdef(`_FFR_NOCANONIFY_HEADERS', `dnl +# do not canonify header addresses +R$* $| $* < @ $* $~P > $* $: $&{addr_type} $| $2 < @ $3 $4 > $5 +R$* h $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 +R$* h $* $| $* $: $3', `dnl') +# pass to name server to make hostname canonical +R$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4') +dnl remove {daemon_flags} for other cases +R$* $| $* $: $2 + +# local host aliases and pseudo-domains are always canonical +R$* < @ $=w > $* $: $1 < @ $2 . > $3 +ifdef(`_MASQUERADE_ENTIRE_DOMAIN_', +`R$* < @ $* $=M > $* $: $1 < @ $2 $3 . > $4', +`R$* < @ $=M > $* $: $1 < @ $2 . > $3') +ifdef(`_VIRTUSER_TABLE_', `dnl +dnl virtual hosts are also canonical +ifdef(`_VIRTUSER_ENTIRE_DOMAIN_', +`R$* < @ $* $={VirtHost} > $* $: $1 < @ $2 $3 . > $4', +`R$* < @ $={VirtHost} > $* $: $1 < @ $2 . > $3')', +`dnl') +ifdef(`_GENERICS_TABLE_', `dnl +dnl hosts for genericstable are also canonical +ifdef(`_GENERICS_ENTIRE_DOMAIN_', +`R$* < @ $* $=G > $* $: $1 < @ $2 $3 . > $4', +`R$* < @ $=G > $* $: $1 < @ $2 . > $3')', +`dnl') +dnl remove superfluous dots (maybe repeatedly) which may have been added +dnl by one of the rules before +R$* < @ $* . . > $* $1 < @ $2 . > $3 + + +################################################## +### Ruleset 4 -- Final Output Post-rewriting ### +################################################## +Sfinal=4 + +R$+ :; <@> $@ $1 : handle +R$* <@> $@ handle <> and list:; + +# strip trailing dot off possibly canonical name +R$* < @ $+ . > $* $1 < @ $2 > $3 + +# eliminate internal code +R$* < @ *LOCAL* > $* $1 < @ $j > $2 + +# externalize local domain info +R$* < $+ > $* $1 $2 $3 defocus +R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 canonical +R@ $* $@ @ $1 ... and exit + +ifdef(`_NO_UUCP_', `dnl', +`# UUCP must always be presented in old form +R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u') + +ifdef(`_USE_DECNET_SYNTAX_', +`# put DECnet back in :: form +R$+ @ $+ . DECNET $2 :: $1 u@h.DECNET => h::u', + `dnl') +# delete duplicate local names +R$+ % $=w @ $=w $1 @ $2 u%host@host => u@host + + + +############################################################## +### Ruleset 97 -- recanonicalize and call ruleset zero ### +### (used for recursive calls) ### +############################################################## + +SRecurse=97 +R$* $: $>canonify $1 +R$* $@ $>parse $1 + + +###################################### +### Ruleset 0 -- Parse Address ### +###################################### + +Sparse=0 + +R$* $: $>Parse0 $1 initial parsing +R<@> $#_LOCAL_ $: <@> special case error msgs +R$* $: $>ParseLocal $1 handle local hacks +R$* $: $>Parse1 $1 final parsing + +# +# Parse0 -- do initial syntax checking and eliminate local addresses. +# This should either return with the (possibly modified) input +# or return with a #error mailer. It should not return with a +# #mailer other than the #error mailer. +# + +SParse0 +R<@> $@ <@> special case error msgs +R$* : $* ; <@> $#error $@ 5.1.3 $: "_CODE553 List:; syntax illegal for recipient addresses" +R@ <@ $* > < @ $1 > catch "@@host" bogosity +R<@ $+> $#error $@ 5.1.3 $: "_CODE553 User address required" +R$+ <@> $#error $@ 5.1.3 $: "_CODE553 Hostname required" +R$* $: <> $1 +dnl allow tricks like [host1]:[host2] +R<> $* < @ [ $* ] : $+ > $* $1 < @ [ $2 ] : $3 > $4 +R<> $* < @ [ $* ] , $+ > $* $1 < @ [ $2 ] , $3 > $4 +dnl but no a@[b]c +R<> $* < @ [ $* ] $+ > $* $#error $@ 5.1.2 $: "_CODE553 Invalid address" +R<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3 +R<> $* <$* : $* > $* $#error $@ 5.1.3 $: "_CODE553 Colon illegal in host name part" +R<> $* $1 +R$* < @ . $* > $* $#error $@ 5.1.2 $: "_CODE553 Invalid host name" +R$* < @ $* .. $* > $* $#error $@ 5.1.2 $: "_CODE553 Invalid host name" +dnl no a@b@ +R$* < @ $* @ > $* $#error $@ 5.1.2 $: "_CODE553 Invalid route address" +dnl no a@b@c +R$* @ $* < @ $* > $* $#error $@ 5.1.3 $: "_CODE553 Invalid route address" +dnl comma only allowed before @; this check is not complete +R$* , $~O $* $#error $@ 5.1.3 $: "_CODE553 Invalid route address" + +ifdef(`_STRICT_RFC821_', `# more RFC 821 checks +R$* . < @ $* > $* $#error $@ 5.1.2 $: "_CODE553 Local part must not end with a dot" +R. $* < @ $* > $* $#error $@ 5.1.2 $: "_CODE553 Local part must not begin with a dot" +dnl', `dnl') + +# now delete the local info -- note $=O to find characters that cause forwarding +R$* < @ > $* $@ $>Parse0 $>canonify $1 user@ => user +R< @ $=w . > : $* $@ $>Parse0 $>canonify $2 @here:... -> ... +R$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here +R< @ $+ > $#error $@ 5.1.3 $: "_CODE553 User address required" +R$* $=O $* < @ $=w . > $@ $>Parse0 $>canonify $1 $2 $3 ...@here -> ... +R$- $: $(dequote $1 $) < @ *LOCAL* > dequote "foo" +R< @ *LOCAL* > $#error $@ 5.1.3 $: "_CODE553 User address required" +R$* $=O $* < @ *LOCAL* > + $@ $>Parse0 $>canonify $1 $2 $3 ...@*LOCAL* -> ... +R$* < @ *LOCAL* > $: $1 + +# +# Parse1 -- the bottom half of ruleset 0. +# + +SParse1 +ifdef(`_LDAP_ROUTING_', `dnl +# handle LDAP routing for hosts in $={LDAPRoute} +R$+ < @ $={LDAPRoute} . > $: $>LDAPExpand <$1 < @ $2 . >> <$1 @ $2> <> +R$+ < @ $={LDAPRouteEquiv} . > $: $>LDAPExpand <$1 < @ $2 . >> <$1 @ $M> <>', +`dnl') + +ifdef(`_MAILER_smtp_', +`# handle numeric address spec +dnl there is no check whether this is really an IP number +R$* < @ [ $+ ] > $* $: $>ParseLocal $1 < @ [ $2 ] > $3 numeric internet spec +R$* < @ [ $+ ] > $* $: $1 < @ [ $2 ] : $S > $3 Add smart host to path +R$* < @ [ $+ ] : > $* $#_SMTP_ $@ [$2] $: $1 < @ [$2] > $3 no smarthost: send +R$* < @ [ $+ ] : $- : $*> $* $#$3 $@ $4 $: $1 < @ [$2] > $5 smarthost with mailer +R$* < @ [ $+ ] : $+ > $* $#_SMTP_ $@ $3 $: $1 < @ [$2] > $4 smarthost without mailer', + `dnl') + +ifdef(`_VIRTUSER_TABLE_', `dnl +# handle virtual users +ifdef(`_VIRTUSER_STOP_ONE_LEVEL_RECURSION_',`dnl +dnl this is not a documented option +dnl it stops looping in virtusertable mapping if input and output +dnl are identical, i.e., if address A is mapped to A. +dnl it does not deal with multi-level recursion +# handle full domains in RHS of virtusertable +R$+ < @ $+ > $: $(macro {RecipientAddress} $) $1 < @ $2 > +R$+ < @ $+ > $: $1 < @ $2 > $| $>final $1 < @ $2 > +R $+ $| $+ $: $1 $(macro {RecipientAddress} $@ $2 $) +R $+ $| $* $: $1', +`dnl') +R$+ $: $1 Mark for lookup +dnl input: local<@domain> +ifdef(`_VIRTUSER_ENTIRE_DOMAIN_', +`R $+ < @ $* $={VirtHost} . > $: < $(virtuser $1 @ $2 $3 $@ $1 $: @ $) > $1 < @ $2 $3 . >', +`R $+ < @ $={VirtHost} . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >') +dnl input: local<@domain> | local<@domain> +R $+ < @ $=w . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . > +dnl if <@> local<@domain>: no match but try lookup +dnl user+detail: try user++@domain if detail not empty +R<@> $+ + $+ < @ $* . > + $: < $(virtuser $1 + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > +dnl user+detail: try user+*@domain +R<@> $+ + $* < @ $* . > + $: < $(virtuser $1 + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > +dnl user+detail: try user@domain +R<@> $+ + $* < @ $* . > + $: < $(virtuser $1 @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > +dnl try default entry: @domain +dnl ++@domain +R<@> $+ + $+ < @ $+ . > $: < $(virtuser + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > +dnl +*@domain +R<@> $+ + $* < @ $+ . > $: < $(virtuser + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > +dnl @domain if +detail exists +dnl if no match, change marker to prevent a second @domain lookup +R<@> $+ + $* < @ $+ . > $: < $(virtuser @ $3 $@ $1 $@ $2 $@ +$2 $: ! $) > $1 + $2 < @ $3 . > +dnl without +detail +R<@> $+ < @ $+ . > $: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . > +dnl no match +R<@> $+ $: $1 +dnl remove mark +R $+ $: $1 +R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 +R< error : $- $+ > $* $#error $@ $(dequote $1 $) $: $2 +ifdef(`_VIRTUSER_STOP_ONE_LEVEL_RECURSION_',`dnl +# check virtuser input address against output address, if same, skip recursion +R< $+ > $+ < @ $+ > $: < $1 > $2 < @ $3 > $| $1 +# it is the same: stop now +R< $+ > $+ < @ $+ > $| $&{RecipientAddress} $: $>ParseLocal $>Parse0 $>canonify $1 +R< $+ > $+ < @ $+ > $| $* $: < $1 > $2 < @ $3 > +dnl', `dnl') +dnl this is not a documented option +dnl it performs no looping at all for virtusertable +ifdef(`_NO_VIRTUSER_RECURSION_', +`R< $+ > $+ < @ $+ > $: $>ParseLocal $>Parse0 $>canonify $1', +`R< $+ > $+ < @ $+ > $: $>Recurse $1') +dnl', `dnl') + +# short circuit local delivery so forwarded email works +ifdef(`_MAILER_usenet_', `dnl +R$+ . USENET < @ $=w . > $#usenet $@ usenet $: $1 handle usenet specially', `dnl') + + +ifdef(`_STICKY_LOCAL_DOMAIN_', +`R$+ < @ $=w . > $: < $H > $1 < @ $2 . > first try hub +R< $+ > $+ < $+ > $>MailerToTriple < $1 > $2 < $3 > yep .... +dnl $H empty (but @$=w.) +R< > $+ + $* < $+ > $#_LOCAL_ $: $1 + $2 plussed name? +R< > $+ < $+ > $#_LOCAL_ $: @ $1 nope, local address', +`R$=L < @ $=w . > $#_LOCAL_ $: @ $1 special local names +R$+ < @ $=w . > $#_LOCAL_ $: $1 regular local name') + +ifdef(`_MAILER_TABLE_', `dnl +# not local -- try mailer table lookup +R$* <@ $+ > $* $: < $2 > $1 < @ $2 > $3 extract host name +R< $+ . > $* $: < $1 > $2 strip trailing dot +R< $+ > $* $: < $(mailertable $1 $) > $2 lookup +dnl it is $~[ instead of $- to avoid matches on IPv6 addresses +R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check -- resolved? +R< $+ > $* $: $>Mailertable <$1> $2 try domain', +`dnl') +undivert(4)dnl UUCP rules from `MAILER(uucp)' + +ifdef(`_NO_UUCP_', `dnl', +`# resolve remotely connected UUCP links (if any) +ifdef(`_CLASS_V_', +`R$* < @ $=V . UUCP . > $* $: $>MailerToTriple < $V > $1 <@$2.UUCP.> $3', + `dnl') +ifdef(`_CLASS_W_', +`R$* < @ $=W . UUCP . > $* $: $>MailerToTriple < $W > $1 <@$2.UUCP.> $3', + `dnl') +ifdef(`_CLASS_X_', +`R$* < @ $=X . UUCP . > $* $: $>MailerToTriple < $X > $1 <@$2.UUCP.> $3', + `dnl')') + +# resolve fake top level domains by forwarding to other hosts +ifdef(`BITNET_RELAY', +`R$*<@$+.BITNET.>$* $: $>MailerToTriple < $B > $1 <@$2.BITNET.> $3 user@host.BITNET', + `dnl') +ifdef(`DECNET_RELAY', +`R$*<@$+.DECNET.>$* $: $>MailerToTriple < $C > $1 <@$2.DECNET.> $3 user@host.DECNET', + `dnl') +ifdef(`_MAILER_pop_', +`R$+ < @ POP. > $#pop $: $1 user@POP', + `dnl') +ifdef(`_MAILER_fax_', +`R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user@host.FAX', +`ifdef(`FAX_RELAY', +`R$*<@$+.FAX.>$* $: $>MailerToTriple < $F > $1 <@$2.FAX.> $3 user@host.FAX', + `dnl')') + +ifdef(`UUCP_RELAY', +`# forward non-local UUCP traffic to our UUCP relay +R$*<@$*.UUCP.>$* $: $>MailerToTriple < $Y > $1 <@$2.UUCP.> $3 uucp mail', +`ifdef(`_MAILER_uucp_', +`# forward other UUCP traffic straight to UUCP +R$* < @ $+ .UUCP. > $* $#_UUCP_ $@ $2 $: $1 < @ $2 .UUCP. > $3 user@host.UUCP', + `dnl')') +ifdef(`_MAILER_usenet_', ` +# addresses sent to net.group.USENET will get forwarded to a newsgroup +R$+ . USENET $#usenet $@ usenet $: $1', + `dnl') + +ifdef(`_LOCAL_RULES_', +`# figure out what should stay in our local mail system +undivert(1)', `dnl') + +# pass names that still have a host to a smarthost (if defined) +R$* < @ $* > $* $: $>MailerToTriple < $S > $1 < @ $2 > $3 glue on smarthost name + +# deal with other remote names +ifdef(`_MAILER_smtp_', +`R$* < @$* > $* $#_SMTP_ $@ $2 $: $1 < @ $2 > $3 user@host.domain', +`R$* < @$* > $* $#error $@ 5.1.2 $: "_CODE553 Unrecognized host name " $2') + +# handle locally delivered names +R$=L $#_LOCAL_ $: @ $1 special local names +R$+ $#_LOCAL_ $: $1 regular local names + +########################################################################### +### Ruleset 5 -- special rewriting after aliases have been expanded ### +########################################################################### + +SLocal_localaddr +Slocaladdr=5 +R$+ $: $1 $| $>"Local_localaddr" $1 +R$+ $| $#ok $@ $1 no change +R$+ $| $#$* $#$2 +R$+ $| $* $: $1 + +ifdef(`_PRESERVE_LUSER_HOST_', `dnl +# Preserve rcpt_host in {Host} +R$+ $: $1 $| $&h $| $&{Host} check h and {Host} +R$+ $| $| $: $(macro {Host} $@ $) $1 no h or {Host} +R$+ $| $| $+ $: $1 h not set, {Host} set +R$+ $| +$* $| $* $: $1 h is +detail, {Host} set +R$+ $| $* @ $+ $| $* $: $(macro {Host} $@ @$3 $) $1 set {Host} to host in h +R$+ $| $+ $| $* $: $(macro {Host} $@ @$2 $) $1 set {Host} to h +')dnl + +ifdef(`_FFR_5_', `dnl +# Preserve host in a macro +R$+ $: $(macro {LocalAddrHost} $) $1 +R$+ @ $+ $: $(macro {LocalAddrHost} $@ @ $2 $) $1') + +ifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `', `dnl +# deal with plussed users so aliases work nicely +R$+ + * $#_LOCAL_ $@ $&h $: $1`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') +R$+ + $* $#_LOCAL_ $@ + $2 $: $1 + *`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') +') +# prepend an empty "forward host" on the front +R$+ $: <> $1 + +ifdef(`LUSER_RELAY', `dnl +# send unrecognized local users to a relay host +ifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `dnl +R< > $+ + $* $: < ? $L > <+ $2> $(user $1 $) look up user+ +R< > $+ $: < ? $L > < > $(user $1 $) look up user +R< ? $* > < $* > $+ <> $: < > $3 $2 found; strip $L +R< ? $* > < $* > $+ $: < $1 > $3 $2 not found', ` +R< > $+ $: < $L > $(user $1 $) look up user +R< $* > $+ <> $: < > $2 found; strip $L') +ifdef(`_PRESERVE_LUSER_HOST_', `dnl +R< $+ > $+ $: < $1 > $2 $&{Host}') +dnl') + +ifdef(`MAIL_HUB', `dnl +R< > $+ $: < $H > $1 try hub', `dnl') +ifdef(`LOCAL_RELAY', `dnl +R< > $+ $: < $R > $1 try relay', `dnl') +ifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `dnl +R< > $+ $@ $1', `dnl +R< > $+ $: < > < $1 <> $&h > nope, restore +detail +ifdef(`_PRESERVE_LUSER_HOST_', `dnl +R< > < $+ @ $+ <> + $* > $: < > < $1 + $3 @ $2 > check whether +detail') +R< > < $+ <> + $* > $: < > < $1 + $2 > check whether +detail +R< > < $+ <> $* > $: < > < $1 > else discard +R< > < $+ + $* > $* < > < $1 > + $2 $3 find the user part +R< > < $+ > + $* $#_LOCAL_ $@ $2 $: @ $1`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') strip the extra + +R< > < $+ > $@ $1 no +detail +R$+ $: $1 <> $&h add +detail back in +ifdef(`_PRESERVE_LUSER_HOST_', `dnl +R$+ @ $+ <> + $* $: $1 + $3 @ $2 check whether +detail') +R$+ <> + $* $: $1 + $2 check whether +detail +R$+ <> $* $: $1 else discard') +R< local : $* > $* $: $>MailerToTriple < local : $1 > $2 no host extension +R< error : $* > $* $: $>MailerToTriple < error : $1 > $2 no host extension +ifdef(`_PRESERVE_LUSER_HOST_', `dnl +dnl it is $~[ instead of $- to avoid matches on IPv6 addresses +R< $~[ : $+ > $+ @ $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $4 >') +R< $~[ : $+ > $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $2 > +ifdef(`_PRESERVE_LUSER_HOST_', `dnl +R< $+ > $+ @ $+ $@ $>MailerToTriple < $1 > $2 < @ $3 >') +R< $+ > $+ $@ $>MailerToTriple < $1 > $2 < @ $1 > + +ifdef(`_MAILER_TABLE_', `dnl +ifdef(`_LDAP_ROUTING_', `dnl +################################################################### +### Ruleset LDAPMailertable -- mailertable lookup for LDAP ### +dnl input: FullAddress +################################################################### + +SLDAPMailertable +R< $+ > $* $: < $(mailertable $1 $) > $2 lookup +R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check resolved? +R< $+ > $* $: < $1 > $>Mailertable <$1> $2 try domain +R< $+ > $#$* $#$2 found +R< $+ > $* $#_RELAY_ $@ $1 $: $2 not found, direct relay', +`dnl') + +################################################################### +### Ruleset 90 -- try domain part of mailertable entry ### +dnl input: LeftPartOfDomain FullAddress +################################################################### + +SMailertable=90 +dnl shift and check +dnl %2 is not documented in cf/README +R$* <$- . $+ > $* $: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4 +dnl it is $~[ instead of $- to avoid matches on IPv6 addresses +R$* <$~[ : $* > $* $>MailerToTriple < $2 : $3 > $4 check -- resolved? +R$* < . $+ > $* $@ $>Mailertable $1 . <$2> $3 no -- strip & try again +dnl is $2 always empty? +R$* < $* > $* $: < $(mailertable . $@ $1$2 $) > $3 try "." +R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 "." found? +dnl return full address +R< $* > $* $@ $2 no mailertable match', +`dnl') + +################################################################### +### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ### +dnl input: in general: <[mailer:]host> lp<@domain>rest +dnl <> address -> address +dnl -> error +dnl -> error +dnl -> error +dnl lp<@domain>rest -> mailer host user +dnl address -> mailer host address +dnl address -> address +dnl address -> relay host address +################################################################### + +SMailerToTriple=95 +R< > $* $@ $1 strip off null relay +R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 +R< error : $- : $+ > $* $#error $@ $(dequote $1 $) $: $2 +R< error : $+ > $* $#error $: $1 +R< local : $* > $* $>CanonLocal < $1 > $2 +dnl it is $~[ instead of $- to avoid matches on IPv6 addresses +R< $~[ : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user +R< $~[ : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer +R< $=w > $* $@ $2 delete local host +R< $+ > $* $#_RELAY_ $@ $1 $: $2 use unqualified mailer + +################################################################### +### Ruleset CanonLocal -- canonify local: syntax ### +dnl input: address +dnl <@host> : rest -> Recurse rest +dnl p1 $=O p2 <@host> -> Recurse p1 $=O p2 +dnl <> user <@host> rest -> local user@host user +dnl <> user -> local user user +dnl lp <@domain> rest -> lp <@host> [cont] +dnl lp <@host> rest -> local lp@host user +dnl lp -> local lp user +################################################################### + +SCanonLocal +# strip local host from routed addresses +R< $* > < @ $+ > : $+ $@ $>Recurse $3 +R< $* > $+ $=O $+ < @ $+ > $@ $>Recurse $2 $3 $4 + +# strip trailing dot from any host name that may appear +R< $* > $* < @ $* . > $: < $1 > $2 < @ $3 > + +# handle local: syntax -- use old user, either with or without host +R< > $* < @ $* > $* $#_LOCAL_ $@ $1@$2 $: $1 +R< > $+ $#_LOCAL_ $@ $1 $: $1 + +# handle local:user@host syntax -- ignore host part +R< $+ @ $+ > $* < @ $* > $: < $1 > $3 < @ $4 > + +# handle local:user syntax +R< $+ > $* <@ $* > $* $#_LOCAL_ $@ $2@$3 $: $1 +R< $+ > $* $#_LOCAL_ $@ $2 $: $1 + +################################################################### +### Ruleset 93 -- convert header names to masqueraded form ### +################################################################### + +SMasqHdr=93 + +ifdef(`_GENERICS_TABLE_', `dnl +# handle generics database +ifdef(`_GENERICS_ENTIRE_DOMAIN_', +dnl if generics should be applied add a @ as mark +`R$+ < @ $* $=G . > $: < $1@$2$3 > $1 < @ $2$3 . > @ mark', +`R$+ < @ $=G . > $: < $1@$2 > $1 < @ $2 . > @ mark') +R$+ < @ *LOCAL* > $: < $1@$j > $1 < @ *LOCAL* > @ mark +dnl workspace: either user<@domain> or user <@domain> @ +dnl ignore the first case for now +dnl if it has the mark lookup full address +dnl broken: %1 is full address not just detail +R< $+ > $+ < $* > @ $: < $(generics $1 $: @ $1 $) > $2 < $3 > +dnl workspace: ... or user <@domain> +dnl no match, try user+detail@domain +R<@$+ + $* @ $+> $+ < @ $+ > + $: < $(generics $1+*@$3 $@ $2 $:@$1 + $2@$3 $) > $4 < @ $5 > +R<@$+ + $* @ $+> $+ < @ $+ > + $: < $(generics $1@$3 $: $) > $4 < @ $5 > +dnl no match, remove mark +R<@$+ > $+ < @ $+ > $: < > $2 < @ $3 > +dnl no match, try @domain for exceptions +R< > $+ < @ $+ . > $: < $(generics @$2 $@ $1 $: $) > $1 < @ $2 . > +dnl workspace: ... or user <@domain> +dnl no match, try local part +R< > $+ < @ $+ > $: < $(generics $1 $: $) > $1 < @ $2 > +R< > $+ + $* < @ $+ > $: < $(generics $1+* $@ $2 $: $) > $1 + $2 < @ $3 > +R< > $+ + $* < @ $+ > $: < $(generics $1 $: $) > $1 + $2 < @ $3 > +R< $* @ $* > $* < $* > $@ $>canonify $1 @ $2 found qualified +R< $+ > $* < $* > $: $>canonify $1 @ *LOCAL* found unqualified +R< > $* $: $1 not found', +`dnl') + +# do not masquerade anything in class N +R$* < @ $* $=N . > $@ $1 < @ $2 $3 . > + +ifdef(`MASQUERADE_NAME', `dnl +# special case the users that should be exposed +R$=E < @ *LOCAL* > $@ $1 < @ $j . > leave exposed +ifdef(`_MASQUERADE_ENTIRE_DOMAIN_', +`R$=E < @ $* $=M . > $@ $1 < @ $2 $3 . >', +`R$=E < @ $=M . > $@ $1 < @ $2 . >') +ifdef(`_LIMITED_MASQUERADE_', `dnl', +`R$=E < @ $=w . > $@ $1 < @ $2 . >') + +# handle domain-specific masquerading +ifdef(`_MASQUERADE_ENTIRE_DOMAIN_', +`R$* < @ $* $=M . > $* $: $1 < @ $2 $3 . @ $M > $4 convert masqueraded doms', +`R$* < @ $=M . > $* $: $1 < @ $2 . @ $M > $3 convert masqueraded doms') +ifdef(`_LIMITED_MASQUERADE_', `dnl', +`R$* < @ $=w . > $* $: $1 < @ $2 . @ $M > $3') +R$* < @ *LOCAL* > $* $: $1 < @ $j . @ $M > $2 +R$* < @ $+ @ > $* $: $1 < @ $2 > $3 $M is null +R$* < @ $+ @ $+ > $* $: $1 < @ $3 . > $4 $M is not null +dnl', `dnl no masquerading +dnl just fix *LOCAL* leftovers +R$* < @ *LOCAL* > $@ $1 < @ $j . >') + +################################################################### +### Ruleset 94 -- convert envelope names to masqueraded form ### +################################################################### + +SMasqEnv=94 +ifdef(`_MASQUERADE_ENVELOPE_', +`R$+ $@ $>MasqHdr $1', +`R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2') + +################################################################### +### Ruleset 98 -- local part of ruleset zero (can be null) ### +################################################################### + +SParseLocal=98 +undivert(3)dnl LOCAL_RULE_0 + +ifdef(`_LDAP_ROUTING_', `dnl +###################################################################### +### LDAPExpand: Expand address using LDAP routing +### +### Parameters: +### <$1> -- parsed address (user < @ domain . >) (pass through) +### <$2> -- RFC822 address (user @ domain) (used for lookup) +### <$3> -- +detail information +### +### Returns: +### Mailer triplet ($#mailer $@ host $: address) +### Parsed address (user < @ domain . >) +###################################################################### + +# SMTP operation modes +C{SMTPOpModes} s d D + +SLDAPExpand +# do the LDAP lookups +R<$+><$+><$*> $: <$(ldapmra $2 $: $)> <$(ldapmh $2 $: $)> <$1> <$2> <$3> + +# look for temporary failures and... +R<$* > <$*> <$+> <$+> <$*> $: $&{opMode} $| TMPF <$&{addr_type}> $| $3 +R<$*> <$* > <$+> <$+> <$*> $: $&{opMode} $| TMPF <$&{addr_type}> $| $3 +ifelse(_LDAP_ROUTE_MAPTEMP_, `_TEMPFAIL_', `dnl +# ... temp fail RCPT SMTP commands +R$={SMTPOpModes} $| TMPF $| $+ $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."') +# ... return original address for MTA to queue up +R$* $| TMPF <$*> $| $+ $@ $3 + +# if mailRoutingAddress and local or non-existant mailHost, +# return the new mailRoutingAddress +ifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl +R<$+@$+> <$=w> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 $6 @ $2 +R<$+@$+> <> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 $5 @ $2') +R<$+> <$=w> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 +R<$+> <> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 + + +# if mailRoutingAddress and non-local mailHost, +# relay to mailHost with new mailRoutingAddress +ifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl +ifdef(`_MAILER_TABLE_', `dnl +# check mailertable for host, relay from there +R<$+@$+> <$+> <$+> <$+> <$*> $>LDAPMailertable <$3> $>canonify $1 $6 @ $2', +`R<$+@$+> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $3 $: $>canonify $1 $6 @ $2')') +ifdef(`_MAILER_TABLE_', `dnl +# check mailertable for host, relay from there +R<$+> <$+> <$+> <$+> <$*> $>LDAPMailertable <$2> $>canonify $1', +`R<$+> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $2 $: $>canonify $1') + +# if no mailRoutingAddress and local mailHost, +# return original address +R<> <$=w> <$+> <$+> <$*> $@ $2 + + +# if no mailRoutingAddress and non-local mailHost, +# relay to mailHost with original address +ifdef(`_MAILER_TABLE_', `dnl +# check mailertable for host, relay from there +R<> <$+> <$+> <$+> <$*> $>LDAPMailertable <$1> $2', +`R<> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $1 $: $2') + +ifdef(`_LDAP_ROUTE_DETAIL_', +`# if no mailRoutingAddress and no mailHost, +# try without +detail +R<> <> <$+> <$+ + $* @ $+> <> $@ $>LDAPExpand <$1> <$2 @ $4> <+$3>')dnl + +ifdef(`_LDAP_ROUTE_NODOMAIN_', `dnl', ` +# if still no mailRoutingAddress and no mailHost, +# try @domain +ifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl +R<> <> <$+> <$+ + $* @ $+> <> $@ $>LDAPExpand <$1> <@ $4> <+$3>') +R<> <> <$+> <$+ @ $+> <$*> $@ $>LDAPExpand <$1> <@ $3> <$4>') + +# if no mailRoutingAddress and no mailHost and this was a domain attempt, +ifelse(_LDAP_ROUTING_, `_MUST_EXIST_', `dnl +# user does not exist +R<> <> <$+> <@ $+> <$*> $: < $&{addr_type} > < $1 > +# only give error for envelope recipient +R <$+> $#error $@ nouser $: "550 User unknown" +ifdef(`_LDAP_SENDER_MUST_EXIST_', `dnl +# and the sender too +R <$+> $#error $@ nouser $: "550 User unknown"') +R <$*> <$+> $@ $2', +`dnl +# return the original address +R<> <> <$+> <@ $+> <$*> $@ $1')', +`dnl') + +ifelse(substr(confDELIVERY_MODE,0,1), `d', `errprint(`WARNING: Antispam rules not available in deferred delivery mode. +')') +ifdef(`_ACCESS_TABLE_', `dnl', `divert(-1)') +###################################################################### +### D: LookUpDomain -- search for domain in access database +### +### Parameters: +### <$1> -- key (domain name) +### <$2> -- default (what to return if not found in db) +dnl must not be empty +### <$3> -- mark (must be <(!|+) single-token>) +### ! does lookup only with tag +### + does lookup with and without tag +### <$4> -- passthru (additional data passed unchanged through) +dnl returns: +dnl +###################################################################### + +SD +dnl workspace +dnl lookup with tag (in front, no delimiter here) +dnl 2 3 4 5 +R<$*> <$+> <$- $-> <$*> $: < $(access $4`'_TAG_DELIM_`'$1 $: ? $) > <$1> <$2> <$3 $4> <$5> +dnl workspace +dnl lookup without tag? +dnl 1 2 3 4 +R <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4> +ifdef(`_LOOKUPDOTDOMAIN_', `dnl omit first component: lookup .rest +dnl XXX apply this also to IP addresses? +dnl currently it works the wrong way round for [1.2.3.4] +dnl 1 2 3 4 5 6 +R <$+.$+> <$+> <$- $-> <$*> $: < $(access $5`'_TAG_DELIM_`'.$2 $: ? $) > <$1.$2> <$3> <$4 $5> <$6> +dnl 1 2 3 4 5 +R <$+.$+> <$+> <+ $-> <$*> $: < $(access .$2 $: ? $) > <$1.$2> <$3> <+ $4> <$5>', `dnl') +ifdef(`_ACCESS_SKIP_', `dnl +dnl found SKIP: return and +dnl 1 2 3 4 5 +R <$+> <$+> <$- $-> <$*> $@ <$2> <$5>', `dnl') +dnl not found: IPv4 net (no check is done whether it is an IP number!) +dnl 1 2 3 4 5 6 +R <[$+.$-]> <$+> <$- $-> <$*> $@ $>D <[$1]> <$3> <$4 $5> <$6> +ifdef(`NO_NETINET6', `dnl', +`dnl not found: IPv6 net +dnl (could be merged with previous rule if we have a class containing .:) +dnl 1 2 3 4 5 6 +R <[$+::$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6> +R <[$+:$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6>') +dnl not found, but subdomain: try again +dnl 1 2 3 4 5 6 +R <$+.$+> <$+> <$- $-> <$*> $@ $>D <$2> <$3> <$4 $5> <$6> +ifdef(`_FFR_LOOKUPTAG_', `dnl lookup Tag: +dnl 1 2 3 4 +R <$+> <$+> <$*> $: < $(access $3`'_TAG_DELIM_ $: ? $) > <$1> <$2> <$4>', `dnl') +dnl not found, no subdomain: return and +dnl 1 2 3 4 5 +R <$+> <$+> <$- $-> <$*> $@ <$2> <$5> +ifdef(`_ATMPF_', `dnl tempfail? +dnl 2 3 4 5 6 +R<$* _ATMPF_> <$+> <$+> <$- $-> <$*> $@ <_ATMPF_> <$6>', `dnl') +dnl return and +dnl 2 3 4 5 6 +R<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6> + +###################################################################### +### A: LookUpAddress -- search for host address in access database +### +### Parameters: +### <$1> -- key (dot quadded host address) +### <$2> -- default (what to return if not found in db) +dnl must not be empty +### <$3> -- mark (must be <(!|+) single-token>) +### ! does lookup only with tag +### + does lookup with and without tag +### <$4> -- passthru (additional data passed through) +dnl returns: +dnl +###################################################################### + +SA +dnl lookup with tag +dnl 2 3 4 5 +R<$+> <$+> <$- $-> <$*> $: < $(access $4`'_TAG_DELIM_`'$1 $: ? $) > <$1> <$2> <$3 $4> <$5> +dnl lookup without tag +dnl 1 2 3 4 +R <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4> +dnl workspace +ifdef(`_ACCESS_SKIP_', `dnl +dnl found SKIP: return and +dnl 1 2 3 4 5 +R <$+> <$+> <$- $-> <$*> $@ <$2> <$5>', `dnl') +ifdef(`NO_NETINET6', `dnl', +`dnl no match; IPv6: remove last part +dnl 1 2 3 4 5 6 +R <$+::$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6> +R <$+:$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6>') +dnl no match; IPv4: remove last part +dnl 1 2 3 4 5 6 +R <$+.$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6> +dnl no match: return default +dnl 1 2 3 4 5 +R <$+> <$+> <$- $-> <$*> $@ <$2> <$5> +ifdef(`_ATMPF_', `dnl tempfail? +dnl 2 3 4 5 6 +R<$* _ATMPF_> <$+> <$+> <$- $-> <$*> $@ <_ATMPF_> <$6>', `dnl') +dnl match: return result +dnl 2 3 4 5 6 +R<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6> +dnl endif _ACCESS_TABLE_ +divert(0) +###################################################################### +### CanonAddr -- Convert an address into a standard form for +### relay checking. Route address syntax is +### crudely converted into a %-hack address. +### +### Parameters: +### $1 -- full recipient address +### +### Returns: +### parsed address, not in source route form +dnl user%host%host<@domain> +dnl host!user<@domain> +###################################################################### + +SCanonAddr +R$* $: $>Parse0 $>canonify $1 make domain canonical +ifdef(`_USE_DEPRECATED_ROUTE_ADDR_',`dnl +R< @ $+ > : $* @ $* < @ $1 > : $2 % $3 change @ to % in src route +R$* < @ $+ > : $* : $* $3 $1 < @ $2 > : $4 change to % hack. +R$* < @ $+ > : $* $3 $1 < @ $2 > +dnl') + +###################################################################### +### ParseRecipient -- Strip off hosts in $=R as well as possibly +### $* $=m or the access database. +### Check user portion for host separators. +### +### Parameters: +### $1 -- full recipient address +### +### Returns: +### parsed, non-local-relaying address +###################################################################### + +SParseRecipient +dnl mark and canonify address +R$* $: $>CanonAddr $1 +dnl workspace: localpart<@domain[.]> +R $* < @ $* . > $1 < @ $2 > strip trailing dots +dnl workspace: localpart<@domain> +R $- < @ $* > $: $(dequote $1 $) < @ $2 > dequote local part + +# if no $=O character, no host in the user portion, we are done +R $* $=O $* < @ $* > $: $1 $2 $3 < @ $4> +dnl no $=O in localpart: return +R $* $@ $1 + +dnl workspace: localpart<@domain>, where localpart contains $=O +dnl mark everything which has an "authorized" domain with +ifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl +# if we relay, check username portion for user%host so host can be checked also +R $* < @ $* $=m > $: $1 < @ $2 $3 >', `dnl') +dnl workspace: <(NO|RELAY)> localpart<@domain>, where localpart contains $=O +dnl if mark is then change it to if domain is "authorized" + +dnl what if access map returns something else than RELAY? +dnl we are only interested in RELAY entries... +dnl other To: entries: blacklist recipient; generic entries? +dnl if it is an error we probably do not want to relay anyway +ifdef(`_RELAY_HOSTS_ONLY_', +`R $* < @ $=R > $: $1 < @ $2 > +ifdef(`_ACCESS_TABLE_', `dnl +R $* < @ $+ > $: <$(access To:$2 $: NO $)> $1 < @ $2 > +R $* < @ $+ > $: <$(access $2 $: NO $)> $1 < @ $2 >',`dnl')', +`R $* < @ $* $=R > $: $1 < @ $2 $3 > +ifdef(`_ACCESS_TABLE_', `dnl +R $* < @ $+ > $: $>D <$2> <+ To> <$1 < @ $2 >> +R<$+> <$+> $: <$1> $2',`dnl')') + + +ifdef(`_RELAY_MX_SERVED_', `dnl +dnl do "we" ($=w) act as backup MX server for the destination domain? +R $* < @ $+ > $: < : $(mxserved $2 $) : > < $1 < @$2 > > +R < : $* : > $* $#TEMP $@ 4.4.0 $: "450 Can not check MX records for recipient host " $1 +dnl yes: mark it as +R < $* : $=w. : $* > < $+ > $: $4 +dnl no: put old mark back +R < : $* : > < $+ > $: $2', `dnl') + +dnl do we relay to this recipient domain? +R $* < @ $* > $@ $>ParseRecipient $1 +dnl something else +R<$+> $* $@ $2 + + +###################################################################### +### check_relay -- check hostname/address on SMTP startup +###################################################################### + +ifdef(`_CONTROL_IMMEDIATE_',`dnl +Scheck_relay +ifdef(`_RATE_CONTROL_IMMEDIATE_',`dnl +dnl workspace: ignored... +R$* $: $>"RateControl" dummy', `dnl') +ifdef(`_CONN_CONTROL_IMMEDIATE_',`dnl +dnl workspace: ignored... +R$* $: $>"ConnControl" dummy', `dnl') +dnl') + +SLocal_check_relay +Scheck`'_U_`'relay +ifdef(`_USE_CLIENT_PTR_',`dnl +R$* $| $* $: $&{client_ptr} $| $2', `dnl') +R$* $: $1 $| $>"Local_check_relay" $1 +R$* $| $* $| $#$* $#$3 +R$* $| $* $| $* $@ $>"Basic_check_relay" $1 $| $2 + +SBasic_check_relay +# check for deferred delivery mode +R$* $: < $&{deliveryMode} > $1 +R< d > $* $@ deferred +R< $* > $* $: $2 + +ifdef(`_ACCESS_TABLE_', `dnl +dnl workspace: {client_name} $| {client_addr} +R$+ $| $+ $: $>D < $1 > <+ Connect> < $2 > +dnl workspace: <{client_addr}> +dnl OR $| $+ if client_name is empty +R $| $+ $: $>A < $1 > <+ Connect> <> empty client_name +dnl workspace: <{client_addr}> +R <$+> $: $>A < $1 > <+ Connect> <> no: another lookup +dnl workspace: (<>|<{client_addr}>) +R <$*> $: OK found nothing +dnl workspace: (<>|<{client_addr}>) | OK +R<$={Accept}> <$*> $@ $1 return value of lookup +R <$*> $#error ifdef(`confREJECT_MSG', `$: confREJECT_MSG', `$@ 5.7.1 $: "550 Access denied"') +R <$*> $#discard $: discard +R <$*> $#error $@ quarantine $: $1 +dnl error tag +R <$*> $#error $@ $1.$2.$3 $: $4 +R <$*> $#error $: $1 +ifdef(`_ATMPF_', `R<$* _ATMPF_> <$*> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +dnl generic error from access map +R<$+> <$*> $#error $: $1', `dnl') + +ifdef(`_RBL_',`dnl +# DNS based IP address spam list +dnl workspace: ignored... +R$* $: $&{client_addr} +R$-.$-.$-.$- $: $(host $4.$3.$2.$1._RBL_. $: OK $) +ROK $: OKSOFAR +R$+ $#error $@ 5.7.1 $: "550 Rejected: " $&{client_addr} " listed at _RBL_"', +`dnl') +ifdef(`_RATE_CONTROL_',`dnl +ifdef(`_RATE_CONTROL_IMMEDIATE_',`', `dnl +dnl workspace: ignored... +R$* $: $>"RateControl" dummy')', `dnl') +ifdef(`_CONN_CONTROL_',`dnl +ifdef(`_CONN_CONTROL_IMMEDIATE_',`',`dnl +dnl workspace: ignored... +R$* $: $>"ConnControl" dummy')', `dnl') +undivert(8) + +###################################################################### +### check_mail -- check SMTP ``MAIL FROM:'' command argument +###################################################################### + +SLocal_check_mail +Scheck`'_U_`'mail +R$* $: $1 $| $>"Local_check_mail" $1 +R$* $| $#$* $#$2 +R$* $| $* $@ $>"Basic_check_mail" $1 + +SBasic_check_mail +# check for deferred delivery mode +R$* $: < $&{deliveryMode} > $1 +R< d > $* $@ deferred +R< $* > $* $: $2 + +# authenticated? +dnl done first: we can require authentication for every mail transaction +dnl workspace: address as given by MAIL FROM: (sender) +R$* $: $1 $| $>"tls_client" $&{verify} $| MAIL +R$* $| $#$+ $#$2 +dnl undo damage: remove result of tls_client call +R$* $| $* $: $1 + +dnl workspace: address as given by MAIL FROM: +R<> $@ we MUST accept <> (RFC 1123) +ifdef(`_ACCEPT_UNQUALIFIED_SENDERS_',`dnl',`dnl +dnl do some additional checks +dnl no user@host +dnl no user@localhost (if nonlocal sender) +dnl this is a pretty simple canonification, it will not catch every case +dnl just make sure the address has <> around it (which is required by +dnl the RFC anyway, maybe we should complain if they are missing...) +dnl dirty trick: if it is user@host, just add a dot: user@host. this will +dnl not be modified by host lookups. +R$+ $: $1 +R<$+> $: <@> <$1> +R$+ $: <@> <$1> +dnl workspace: <@>
+dnl prepend daemon_flags +R$* $: $&{daemon_flags} $| $1 +dnl workspace: ${daemon_flags} $| <@>
+dnl do not allow these at all or only from local systems? +R$* f $* $| <@> < $* @ $- > $: < ? $&{client_name} > < $3 @ $4 > +dnl accept unqualified sender: change mark to avoid test +R$* u $* $| <@> < $* > $: < $3 > +dnl workspace: ${daemon_flags} $| <@>
+dnl or:
+dnl or:
+dnl remove daemon_flags +R$* $| $* $: $2 +# handle case of @localhost on address +R<@> < $* @ localhost > $: < ? $&{client_name} > < $1 @ localhost > +R<@> < $* @ [127.0.0.1] > + $: < ? $&{client_name} > < $1 @ [127.0.0.1] > +R<@> < $* @ localhost.$m > + $: < ? $&{client_name} > < $1 @ localhost.$m > +ifdef(`_NO_UUCP_', `dnl', +`R<@> < $* @ localhost.UUCP > + $: < ? $&{client_name} > < $1 @ localhost.UUCP >') +dnl workspace: < ? $&{client_name} > +dnl or: <@>
+dnl or:
(thanks to u in ${daemon_flags}) +R<@> $* $: $1 no localhost as domain +dnl workspace: < ? $&{client_name} > +dnl or:
+dnl or:
(thanks to u in ${daemon_flags}) +R $* $: $2 local client: ok +R <$+> $#error $@ 5.5.4 $: "_CODE553 Real domain name required for sender address" +dnl remove (happens only if ${client_name} == "" or u in ${daemon_flags}) +R $* $: $1') +dnl workspace: address (or
) +R$* $: $>CanonAddr $1 canonify sender address and mark it +dnl workspace: CanonicalAddress (i.e. address in canonical form localpart<@host>) +dnl there is nothing behind the <@host> so no trailing $* needed +R $* < @ $+ . > $1 < @ $2 > strip trailing dots +# handle non-DNS hostnames (*.bitnet, *.decnet, *.uucp, etc) +R $* < @ $* $=P > $: <_RES_OK_> $1 < @ $2 $3 > +dnl workspace CanonicalAddress where mark is ? or OK +dnl A sender address with my local host name ($j) is safe +R $* < @ $j > $: <_RES_OK_> $1 < @ $j > +ifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_', +`R $* < @ $+ > $: <_RES_OK_> $1 < @ $2 > ... unresolvable OK', +`R $* < @ $+ > $: $) > $1 < @ $2 > +R> $* < @ $+ > + $: <$2> $3 < @ $4 >') +dnl workspace CanonicalAddress where mark is ?, _RES_OK_, PERM, TEMP +dnl mark is ? iff the address is user (wo @domain) + +ifdef(`_ACCESS_TABLE_', `dnl +# check sender address: user@address, user@, address +dnl should we remove +ext from user? +dnl workspace: CanonicalAddress where mark is: ?, _RES_OK_, PERM, TEMP +R<$+> $+ < @ $* > $: @<$1> <$2 < @ $3 >> $| +R<$+> $+ $: @<$1> <$2> $| +dnl workspace: @ $| <@type:address> .... +dnl $| is used as delimiter, otherwise false matches may occur: > +dnl will only return user<@domain when "reversing" the args +R@ <$+> <$*> $| <$+> $: <@> <$1> <$2> $| $>SearchList <+ From> $| <$3> <> +dnl workspace: <@> $| +R<@> <$+> <$*> $| <$*> $: <$3> <$1> <$2> reverse result +dnl workspace: +# retransform for further use +dnl required form: +dnl CanonicalAddress +R <$+> <$*> $: <$1> $2 no match +R<$+> <$+> <$*> $: <$1> $3 relevant result, keep it', `dnl') +dnl workspace CanonicalAddress +dnl mark is ? iff the address is user (wo @domain) + +ifdef(`_ACCEPT_UNQUALIFIED_SENDERS_',`dnl',`dnl +# handle case of no @domain on address +dnl prepend daemon_flags +R $* $: $&{daemon_flags} $| $1 +dnl accept unqualified sender: change mark to avoid test +R$* u $* $| $* $: <_RES_OK_> $3 +dnl remove daemon_flags +R$* $| $* $: $2 +R $* $: < ? $&{client_addr} > $1 +R $* $@ <_RES_OK_> ...local unqualed ok +R $* $#error $@ 5.5.4 $: "_CODE553 Domain name required for sender address " $&f + ...remote is not') +# check results +R $* $: @ $1 mark address: nothing known about it +R<$={ResOk}> $* $@ <_RES_OK_> domain ok: stop +R $* $#error $@ 4.1.8 $: "451 Domain of sender address " $&f " does not resolve" +R $* $#error $@ 5.1.8 $: "_CODE553 Domain of sender address " $&f " does not exist" +ifdef(`_ACCESS_TABLE_', `dnl +R<$={Accept}> $* $# $1 accept from access map +R $* $#discard $: discard +R $* $#error $@ quarantine $: $1 +R $* $#error ifdef(`confREJECT_MSG', `$: confREJECT_MSG', `$@ 5.7.1 $: "550 Access denied"') +dnl error tag +R $* $#error $@ $1.$2.$3 $: $4 +R $* $#error $: $1 +ifdef(`_ATMPF_', `R<_ATMPF_> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +dnl generic error from access map +R<$+> $* $#error $: $1 error from access db', +`dnl') + +###################################################################### +### check_rcpt -- check SMTP ``RCPT TO:'' command argument +###################################################################### + +SLocal_check_rcpt +Scheck`'_U_`'rcpt +R$* $: $1 $| $>"Local_check_rcpt" $1 +R$* $| $#$* $#$2 +R$* $| $* $@ $>"Basic_check_rcpt" $1 + +SBasic_check_rcpt +# empty address? +R<> $#error $@ nouser $: "553 User address required" +R$@ $#error $@ nouser $: "553 User address required" +# check for deferred delivery mode +R$* $: < $&{deliveryMode} > $1 +R< d > $* $@ deferred +R< $* > $* $: $2 + +ifdef(`_REQUIRE_QUAL_RCPT_', `dnl +dnl this code checks for user@host where host is not a FQHN. +dnl it is not activated. +dnl notice: code to check for a recipient without a domain name is +dnl available down below; look for the same macro. +dnl this check is done here because the name might be qualified by the +dnl canonicalization. +# require fully qualified domain part? +dnl very simple canonification: make sure the address is in < > +R$+ $: $1 +R <$+> $: <@> <$1> +R $+ $: <@> <$1> +R<@> < postmaster > $: postmaster +R<@> < $* @ $+ . $+ > $: < $1 @ $2 . $3 > +dnl prepend daemon_flags +R<@> $* $: $&{daemon_flags} $| <@> $1 +dnl workspace: ${daemon_flags} $| <@>
+dnl 'r'equire qual.rcpt: ok +R$* r $* $| <@> < $+ @ $+ > $: < $3 @ $4 > +dnl do not allow these at all or only from local systems? +R$* r $* $| <@> < $* > $: < ? $&{client_name} > < $3 > +R < $* > $: <$1> +R < $* > $: <$1> +R <$+> $#error $@ 5.5.4 $: "553 Fully qualified domain name required" +dnl remove daemon_flags for other cases +R$* $| <@> $* $: $2', `dnl') + +dnl ################################################################## +dnl call subroutines for recipient and relay +dnl possible returns from subroutines: +dnl $#TEMP temporary failure +dnl $#error permanent failure (or temporary if from access map) +dnl $#other stop processing +dnl RELAY RELAYing allowed +dnl other otherwise +###################################################################### +R$* $: $1 $| @ $>"Rcpt_ok" $1 +dnl temporary failure? remove mark @ and remember +R$* $| @ $#TEMP $+ $: $1 $| T $2 +dnl error or ok (stop) +R$* $| @ $#$* $#$2 +ifdef(`_PROMISCUOUS_RELAY_', `divert(-1)', `dnl') +R$* $| @ RELAY $@ RELAY +dnl something else: call check sender (relay) +R$* $| @ $* $: O $| $>"Relay_ok" $1 +dnl temporary failure: call check sender (relay) +R$* $| T $+ $: T $2 $| $>"Relay_ok" $1 +dnl temporary failure? return that +R$* $| $#TEMP $+ $#error $2 +dnl error or ok (stop) +R$* $| $#$* $#$2 +R$* $| RELAY $@ RELAY +dnl something else: return previous temp failure +R T $+ $| $* $#error $1 +# anything else is bogus +R$* $#error $@ 5.7.1 $: confRELAY_MSG +divert(0) + +###################################################################### +### Rcpt_ok: is the recipient ok? +dnl input: recipient address (RCPT TO) +dnl output: see explanation at call +###################################################################### +SRcpt_ok +ifdef(`_LOOSE_RELAY_CHECK_',`dnl +R$* $: $>CanonAddr $1 +R$* < @ $* . > $1 < @ $2 > strip trailing dots', +`R$* $: $>ParseRecipient $1 strip relayable hosts') + +ifdef(`_BESTMX_IS_LOCAL_',`dnl +ifelse(_BESTMX_IS_LOCAL_, `', `dnl +# unlimited bestmx +R$* < @ $* > $* $: $1 < @ $2 @@ $(bestmx $2 $) > $3', +`dnl +# limit bestmx to $=B +R$* < @ $* $=B > $* $: $1 < @ $2 $3 @@ $(bestmx $2 $3 $) > $4') +R$* $=O $* < @ $* @@ $=w . > $* $@ $>"Rcpt_ok" $1 $2 $3 +R$* < @ $* @@ $=w . > $* $: $1 < @ $3 > $4 +R$* < @ $* @@ $* > $* $: $1 < @ $2 > $4') + +ifdef(`_BLACKLIST_RCPT_',`dnl +ifdef(`_ACCESS_TABLE_', `dnl +# blacklist local users or any host from receiving mail +R$* $: $1 +dnl user is now tagged with @ to be consistent with check_mail +dnl and to distinguish users from hosts (com would be host, com@ would be user) +R $+ < @ $=w > $: <> <$1 < @ $2 >> $| +R $+ < @ $* > $: <> <$1 < @ $2 >> $| +R $+ $: <> <$1> $| +dnl $| is used as delimiter, otherwise false matches may occur: > +dnl will only return user<@domain when "reversing" the args +R<> <$*> $| <$+> $: <@> <$1> $| $>SearchList <+ To> $| <$2> <> +R<@> <$*> $| <$*> $: <$2> <$1> reverse result +R <$*> $: @ $1 mark address as no match +dnl we may have to filter here because otherwise some RHSs +dnl would be interpreted as generic error messages... +dnl error messages should be "tagged" by prefixing them with error: ! +dnl that would make a lot of things easier. +R<$={Accept}> <$*> $: @ $2 mark address as no match +ifdef(`_ACCESS_SKIP_', `dnl +R <$*> $: @ $1 mark address as no match', `dnl') +ifdef(`_DELAY_COMPAT_8_10_',`dnl +dnl compatility with 8.11/8.10: +dnl we have to filter these because otherwise they would be interpreted +dnl as generic error message... +dnl error messages should be "tagged" by prefixing them with error: ! +dnl that would make a lot of things easier. +dnl maybe we should stop checks already here (if SPAM_xyx)? +R<$={SpamTag}> <$*> $: @ $2 mark address as no match') +R $* $#error $@ 5.2.1 $: confRCPTREJ_MSG +R $* $#discard $: discard +R $* $#error $@ quarantine $: $1 +dnl error tag +R $* $#error $@ $1.$2.$3 $: $4 +R $* $#error $: $1 +ifdef(`_ATMPF_', `R<_ATMPF_> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +dnl generic error from access map +R<$+> $* $#error $: $1 error from access db +R@ $* $1 remove mark', `dnl')', `dnl') + +ifdef(`_PROMISCUOUS_RELAY_', `divert(-1)', `dnl') +# authenticated via TLS? +R$* $: $1 $| $>RelayTLS client authenticated? +R$* $| $# $+ $# $2 error/ok? +R$* $| $* $: $1 no + +R$* $: $1 $| $>"Local_Relay_Auth" $&{auth_type} +dnl workspace: localpart<@domain> $| result of Local_Relay_Auth +R$* $| $# $* $# $2 +dnl if Local_Relay_Auth returns NO then do not check $={TrustAuthMech} +R$* $| NO $: $1 +R$* $| $* $: $1 $| $&{auth_type} +dnl workspace: localpart<@domain> [ $| ${auth_type} ] +dnl empty ${auth_type}? +R$* $| $: $1 +dnl mechanism ${auth_type} accepted? +dnl use $# to override further tests (delay_checks): see check_rcpt below +R$* $| $={TrustAuthMech} $# RELAY +dnl remove ${auth_type} +R$* $| $* $: $1 +dnl workspace: localpart<@domain> | localpart +ifelse(defn(`_NO_UUCP_'), `r', +`R$* ! $* < @ $* > $: $2 < @ BANG_PATH > +R$* ! $* $: $2 < @ BANG_PATH >', `dnl') +# anything terminating locally is ok +ifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl +R$+ < @ $* $=m > $@ RELAY', `dnl') +R$+ < @ $=w > $@ RELAY +ifdef(`_RELAY_HOSTS_ONLY_', +`R$+ < @ $=R > $@ RELAY +ifdef(`_ACCESS_TABLE_', `dnl +R$+ < @ $+ > $: <$(access To:$2 $: ? $)> <$1 < @ $2 >> +dnl workspace: > +R <$+ < @ $+ >> $: <$(access $2 $: ? $)> <$1 < @ $2 >>',`dnl')', +`R$+ < @ $* $=R > $@ RELAY +ifdef(`_ACCESS_TABLE_', `dnl +ifdef(`_RELAY_FULL_ADDR_', `dnl +R$+ < @ $+ > $: $1 < @ $2 > $| $>SearchList <+ To> $| <> +R$+ < @ $+ > $| <$*> $: <$3> <$1 <@ $2>> +R$+ < @ $+ > $| $* $: <$3> <$1 <@ $2>>', +`R$+ < @ $+ > $: $>D <$2> <+ To> <$1 < @ $2 >>')')') +ifdef(`_ACCESS_TABLE_', `dnl +dnl workspace: > +R $* $@ RELAY +ifdef(`_ATMPF_', `R<$* _ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +R<$*> <$*> $: $2',`dnl') + + +ifdef(`_RELAY_MX_SERVED_', `dnl +# allow relaying for hosts which we MX serve +R$+ < @ $+ > $: < : $(mxserved $2 $) : > $1 < @ $2 > +dnl this must not necessarily happen if the client is checked first... +R< : $* : > $* $#TEMP $@ 4.4.0 $: "450 Can not check MX records for recipient host " $1 +R<$* : $=w . : $*> $* $@ RELAY +R< : $* : > $* $: $2', +`dnl') + +# check for local user (i.e. unqualified address) +R$* $: $1 +R $* < @ $+ > $: $1 < @ $2 > +# local user is ok +dnl is it really? the standard requires user@domain, not just user +dnl but we should accept it anyway (maybe making it an option: +dnl RequireFQDN ?) +dnl postmaster must be accepted without domain (DRUMS) +ifdef(`_REQUIRE_QUAL_RCPT_', `dnl +R postmaster $@ OK +# require qualified recipient? +dnl prepend daemon_flags +R $+ $: $&{daemon_flags} $| $1 +dnl workspace: ${daemon_flags} $| localpart +dnl do not allow these at all or only from local systems? +dnl r flag? add client_name +R$* r $* $| $+ $: < ? $&{client_name} > $3 +dnl no r flag: relay to local user (only local part) +# no qualified recipient required +R$* $| $+ $@ RELAY +dnl client_name is empty +R $+ $@ RELAY +dnl client_name is local +R $+ $@ RELAY +dnl client_name is not local +R $+ $#error $@ 5.5.4 $: "553 Domain name required"', `dnl +dnl no qualified recipient required +R $+ $@ RELAY') +dnl it is a remote user: remove mark and then check client +R<$+> $* $: $2 +dnl currently the recipient address is not used below + +###################################################################### +### Relay_ok: is the relay/sender ok? +dnl input: ignored +dnl output: see explanation at call +###################################################################### +SRelay_ok +# anything originating locally is ok +# check IP address +R$* $: $&{client_addr} +R$@ $@ RELAY originated locally +R0 $@ RELAY originated locally +R127.0.0.1 $@ RELAY originated locally +RIPv6:::1 $@ RELAY originated locally +R$=R $* $@ RELAY relayable IP address +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: $>A <$1> <+ Connect> <$1> +R $* $@ RELAY relayable IP address +ifdef(`_FFR_REJECT_IP_IN_CHECK_RCPT_',`dnl +dnl this will cause rejections in cases like: +dnl Connect:My.Host.Domain RELAY +dnl Connect:My.Net REJECT +dnl since in check_relay client_name is checked before client_addr +R $* $@ REJECT rejected IP address') +ifdef(`_ATMPF_', `R<_ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +R<$*> <$*> $: $2', `dnl') +R$* $: [ $1 ] put brackets around it... +R$=w $@ RELAY ... and see if it is local + +ifdef(`_RELAY_DB_FROM_', `define(`_RELAY_MAIL_FROM_', `1')')dnl +ifdef(`_RELAY_LOCAL_FROM_', `define(`_RELAY_MAIL_FROM_', `1')')dnl +ifdef(`_RELAY_MAIL_FROM_', `dnl +dnl input: {client_addr} or something "broken" +dnl just throw the input away; we do not need it. +# check whether FROM is allowed to use system as relay +R$* $: $>CanonAddr $&f +R $+ < @ $+ . > $1 < @ $2 > remove trailing dot +ifdef(`_RELAY_LOCAL_FROM_', `dnl +# check whether local FROM is ok +R $+ < @ $=w > $@ RELAY FROM local', `dnl') +ifdef(`_RELAY_DB_FROM_', `dnl +R $+ < @ $+ > $: <@> $>SearchList $| ifdef(`_RELAY_DB_FROM_DOMAIN_', ifdef(`_RELAY_HOSTS_ONLY_', `', `')) <> +R<@> $@ RELAY RELAY FROM sender ok +ifdef(`_ATMPF_', `R<@> <_ATMPF_> $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +', `dnl +ifdef(`_RELAY_DB_FROM_DOMAIN_', +`errprint(`*** ERROR: _RELAY_DB_FROM_DOMAIN_ requires _RELAY_DB_FROM_ +')', +`dnl') +dnl')', `dnl') +dnl notice: the rulesets above do not leave a unique workspace behind. +dnl it does not matter in this case because the following rule ignores +dnl the input. otherwise these rules must "clean up" the workspace. + +# check client name: first: did it resolve? +dnl input: ignored +R$* $: < $&{client_resolve} > +R $#TEMP $@ 4.4.0 $: "450 Relaying temporarily denied. Cannot resolve PTR record for " $&{client_addr} +R $#error $@ 5.7.1 $: "550 Relaying denied. IP name possibly forged " $&{client_name} +R $#error $@ 5.7.1 $: "550 Relaying denied. IP name lookup failed " $&{client_name} +dnl ${client_resolve} should be OK, so go ahead +R$* $: <@> $&{client_name} +dnl should not be necessary since it has been done for client_addr already +dnl this rule actually may cause a problem if {client_name} resolves to "" +dnl however, this should not happen since the forward lookup should fail +dnl and {client_resolve} should be TEMP or FAIL. +dnl nevertheless, removing the rule doesn't hurt. +dnl R<@> $@ RELAY +dnl workspace: <@> ${client_name} (not empty) +# pass to name server to make hostname canonical +R<@> $* $=P $: $1 $2 +R<@> $+ $: $[ $1 $] +dnl workspace: ${client_name} (canonified) +R$* . $1 strip trailing dots +ifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl +R $* $=m $@ RELAY', `dnl') +R $=w $@ RELAY +ifdef(`_RELAY_HOSTS_ONLY_', +`R $=R $@ RELAY +ifdef(`_ACCESS_TABLE_', `dnl +R $* $: <$(access Connect:$1 $: ? $)> <$1> +R <$*> $: <$(access $1 $: ? $)> <$1>',`dnl')', +`R $* $=R $@ RELAY +ifdef(`_ACCESS_TABLE_', `dnl +R $* $: $>D <$1> <+ Connect> <$1>',`dnl')') +ifdef(`_ACCESS_TABLE_', `dnl +R $* $@ RELAY +ifdef(`_ATMPF_', `R<$* _ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +R<$*> <$*> $: $2',`dnl') +dnl end of _PROMISCUOUS_RELAY_ +divert(0) +ifdef(`_DELAY_CHECKS_',`dnl +# turn a canonical address in the form user<@domain> +# qualify unqual. addresses with $j +dnl it might have been only user (without <@domain>) +SFullAddr +R$* <@ $+ . > $1 <@ $2 > +R$* <@ $* > $@ $1 <@ $2 > +R$+ $@ $1 <@ $j > + +SDelay_TLS_Clt +# authenticated? +dnl code repeated here from Basic_check_mail +dnl only called from check_rcpt in delay mode if checkrcpt returns $# +R$* $: $1 $| $>"tls_client" $&{verify} $| MAIL +R$* $| $#$+ $#$2 +dnl return result from checkrcpt +R$* $| $* $# $1 +R$* $# $1 + +SDelay_TLS_Clt2 +# authenticated? +dnl code repeated here from Basic_check_mail +dnl only called from check_rcpt in delay mode if stopping due to Friend/Hater +R$* $: $1 $| $>"tls_client" $&{verify} $| MAIL +R$* $| $#$+ $#$2 +dnl return result from friend/hater check +R$* $| $* $@ $1 +R$* $@ $1 + +# call all necessary rulesets +Scheck_rcpt +dnl this test should be in the Basic_check_rcpt ruleset +dnl which is the correct DSN code? +# R$@ $#error $@ 5.1.3 $: "553 Recipient address required" + +R$+ $: $1 $| $>checkrcpt $1 +dnl now we can simply stop checks by returning "$# xyz" instead of just "ok" +dnl on error (or discard) stop now +R$+ $| $#error $* $#error $2 +R$+ $| $#discard $* $#discard $2 +dnl otherwise call tls_client; see above +R$+ $| $#$* $@ $>"Delay_TLS_Clt" $2 +R$+ $| $* $: $>FullAddr $>CanonAddr $1 +ifdef(`_SPAM_FH_', +`dnl lookup user@ and user@address +ifdef(`_ACCESS_TABLE_', `', +`errprint(`*** ERROR: FEATURE(`delay_checks', `argument') requires FEATURE(`access_db') +')')dnl +dnl one of the next two rules is supposed to match +dnl this code has been copied from BLACKLIST... etc +dnl and simplified by omitting some < >. +R $+ < @ $=w > $: <> $1 < @ $2 > $| +R $+ < @ $* > $: <> $1 < @ $2 > $| +dnl R $@ something_is_very_wrong_here +# lookup the addresses only with Spam tag +R<> $* $| <$+> $: <@> $1 $| $>SearchList $| <$2> <> +R<@> $* $| $* $: $2 $1 reverse result +dnl', `dnl') +ifdef(`_SPAM_FRIEND_', +`# is the recipient a spam friend? +ifdef(`_SPAM_HATER_', + `errprint(`*** ERROR: define either Hater or Friend -- not both. +')', `dnl') +R $+ $@ $>"Delay_TLS_Clt2" SPAMFRIEND +R<$*> $+ $: $2', +`dnl') +ifdef(`_SPAM_HATER_', +`# is the recipient no spam hater? +R $+ $: $1 spam hater: continue checks +R<$*> $+ $@ $>"Delay_TLS_Clt2" NOSPAMHATER everyone else: stop +dnl',`dnl') +dnl run further checks: check_mail +dnl should we "clean up" $&f? +ifdef(`_FFR_MAIL_MACRO', +`R$* $: $1 $| $>checkmail $&{mail_from}', +`R$* $: $1 $| $>checkmail <$&f>') +dnl recipient (canonical format) $| result of checkmail +R$* $| $#$* $#$2 +dnl run further checks: check_relay +R$* $| $* $: $1 $| $>checkrelay $&{client_name} $| $&{client_addr} +R$* $| $#$* $#$2 +R$* $| $* $: $1 +', `dnl') + +ifdef(`_ACCESS_TABLE_', `dnl', `divert(-1)') +###################################################################### +### F: LookUpFull -- search for an entry in access database +### +### lookup of full key (which should be an address) and +### variations if +detail exists: +* and without +detail +### +### Parameters: +### <$1> -- key +### <$2> -- default (what to return if not found in db) +dnl must not be empty +### <$3> -- mark (must be <(!|+) single-token>) +### ! does lookup only with tag +### + does lookup with and without tag +### <$4> -- passthru (additional data passed unchanged through) +dnl returns: +dnl +###################################################################### + +SF +dnl workspace: +dnl full lookup +dnl 2 3 4 5 +R<$+> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> +dnl no match, try without tag +dnl 1 2 3 4 +R <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> +dnl no match, +detail: try +* +dnl 1 2 3 4 5 6 7 +R <$+ + $* @ $+> <$*> <$- $-> <$*> + $: <$(access $6`'_TAG_DELIM_`'$1+*@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7> +dnl no match, +detail: try +* without tag +dnl 1 2 3 4 5 6 +R <$+ + $* @ $+> <$*> <+ $-> <$*> + $: <$(access $1+*@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6> +dnl no match, +detail: try without +detail +dnl 1 2 3 4 5 6 7 +R <$+ + $* @ $+> <$*> <$- $-> <$*> + $: <$(access $6`'_TAG_DELIM_`'$1@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7> +dnl no match, +detail: try without +detail and without tag +dnl 1 2 3 4 5 6 +R <$+ + $* @ $+> <$*> <+ $-> <$*> + $: <$(access $1@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6> +dnl no match, return +dnl 1 2 3 4 5 +R <$+> <$*> <$- $-> <$*> $@ <$2> <$5> +ifdef(`_ATMPF_', `dnl tempfail? +dnl 2 3 4 5 +R<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') +dnl match, return +dnl 2 3 4 5 +R<$+> <$*> <$- $-> <$*> $@ <$1> <$5> + +###################################################################### +### E: LookUpExact -- search for an entry in access database +### +### Parameters: +### <$1> -- key +### <$2> -- default (what to return if not found in db) +dnl must not be empty +### <$3> -- mark (must be <(!|+) single-token>) +### ! does lookup only with tag +### + does lookup with and without tag +### <$4> -- passthru (additional data passed unchanged through) +dnl returns: +dnl +###################################################################### + +SE +dnl 2 3 4 5 +R<$*> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> +dnl no match, try without tag +dnl 1 2 3 4 +R <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> +dnl no match, return default passthru +dnl 1 2 3 4 5 +R <$+> <$*> <$- $-> <$*> $@ <$2> <$5> +ifdef(`_ATMPF_', `dnl tempfail? +dnl 2 3 4 5 +R<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') +dnl match, return +dnl 2 3 4 5 +R<$+> <$*> <$- $-> <$*> $@ <$1> <$5> + +###################################################################### +### U: LookUpUser -- search for an entry in access database +### +### lookup of key (which should be a local part) and +### variations if +detail exists: +* and without +detail +### +### Parameters: +### <$1> -- key (user@) +### <$2> -- default (what to return if not found in db) +dnl must not be empty +### <$3> -- mark (must be <(!|+) single-token>) +### ! does lookup only with tag +### + does lookup with and without tag +### <$4> -- passthru (additional data passed unchanged through) +dnl returns: +dnl +###################################################################### + +SU +dnl user lookups are always with trailing @ +dnl 2 3 4 5 +R<$+> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> +dnl no match, try without tag +dnl 1 2 3 4 +R <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> +dnl do not remove the @ from the lookup: +dnl it is part of the +detail@ which is omitted for the lookup +dnl no match, +detail: try +* +dnl 1 2 3 4 5 6 +R <$+ + $* @> <$*> <$- $-> <$*> + $: <$(access $5`'_TAG_DELIM_`'$1+*@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6> +dnl no match, +detail: try +* without tag +dnl 1 2 3 4 5 +R <$+ + $* @> <$*> <+ $-> <$*> + $: <$(access $1+*@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5> +dnl no match, +detail: try without +detail +dnl 1 2 3 4 5 6 +R <$+ + $* @> <$*> <$- $-> <$*> + $: <$(access $5`'_TAG_DELIM_`'$1@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6> +dnl no match, +detail: try without +detail and without tag +dnl 1 2 3 4 5 +R <$+ + $* @> <$*> <+ $-> <$*> + $: <$(access $1@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5> +dnl no match, return +dnl 1 2 3 4 5 +R <$+> <$*> <$- $-> <$*> $@ <$2> <$5> +ifdef(`_ATMPF_', `dnl tempfail? +dnl 2 3 4 5 +R<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') +dnl match, return +dnl 2 3 4 5 +R<$+> <$*> <$- $-> <$*> $@ <$1> <$5> + +###################################################################### +### SearchList: search a list of items in the access map +### Parameters: +### $| ... <> +dnl maybe we should have a @ (again) in front of the mark to +dnl avoid errorneous matches (with error messages?) +dnl if we can make sure that tag is always a single token +dnl then we can omit the delimiter $|, otherwise we need it +dnl to avoid errorneous matchs (first rule: D: if there +dnl is that mark somewhere in the list, it will be taken). +dnl moreover, we can do some tricks to enforce lookup with +dnl the tag only, e.g.: +### where "exact" is either "+" or "!": +### <+ TAG> lookup with and w/o tag +### lookup with tag +dnl Warning: + and ! should be in OperatorChars (otherwise there must be +dnl a blank between them and the tag. +### possible values for "mark" are: +### D: recursive host lookup (LookUpDomain) +dnl A: recursive address lookup (LookUpAddress) [not yet required] +### E: exact lookup, no modifications +### F: full lookup, try user+ext@domain and user@domain +### U: user lookup, try user+ext and user (input must have trailing @) +### return: or (not found) +###################################################################### + +# class with valid marks for SearchList +dnl if A is activated: add it +C{Src}E F D U ifdef(`_FFR_SRCHLIST_A', `A') +SSearchList +# just call the ruleset with the name of the tag... nice trick... +dnl 2 3 4 +R<$+> $| <$={Src}:$*> <$*> $: <$1> $| <$4> $| $>$2 <$3> <$1> <> +dnl workspace: $| $| <> +dnl no match and nothing left: return +R<$+> $| <> $| <> $@ +dnl no match but something left: continue +R<$+> $| <$+> $| <> $@ $>SearchList <$1> $| <$2> +dnl match: return +R<$+> $| <$*> $| <$+> <> $@ <$3> +dnl return result from recursive invocation +R<$+> $| <$+> $@ <$2> +dnl endif _ACCESS_TABLE_ +divert(0) + +###################################################################### +### trust_auth: is user trusted to authenticate as someone else? +### +### Parameters: +### $1: AUTH= parameter from MAIL command +###################################################################### + +dnl empty ruleset definition so it can be called +SLocal_trust_auth +Strust_auth +R$* $: $&{auth_type} $| $1 +# required by RFC 2554 section 4. +R$@ $| $* $#error $@ 5.7.1 $: "550 not authenticated" +dnl seems to be useful... +R$* $| $&{auth_authen} $@ identical +R$* $| <$&{auth_authen}> $@ identical +dnl call user supplied code +R$* $| $* $: $1 $| $>"Local_trust_auth" $2 +R$* $| $#$* $#$2 +dnl default: error +R$* $#error $@ 5.7.1 $: "550 " $&{auth_authen} " not allowed to act as " $&{auth_author} + +###################################################################### +### Relay_Auth: allow relaying based on authentication? +### +### Parameters: +### $1: ${auth_type} +###################################################################### +SLocal_Relay_Auth + +###################################################################### +### srv_features: which features to offer to a client? +### (done in server) +###################################################################### +Ssrv_features +ifdef(`_LOCAL_SRV_FEATURES_', `dnl +R$* $: $1 $| $>"Local_srv_features" $1 +R$* $| $#$* $#$2 +R$* $| $* $: $1', `dnl') +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: $>D <$&{client_name}> <> +R$* $: $>A <$&{client_addr}> <> +R$* $: <$(access SRV_FEAT_TAG`'_TAG_DELIM_ $: ? $)> +R$* $@ OK +ifdef(`_ATMPF_', `dnl tempfail? +R<$* _ATMPF_>$* $#temp', `dnl') +R<$+>$* $# $1') + +###################################################################### +### try_tls: try to use STARTTLS? +### (done in client) +###################################################################### +Stry_tls +ifdef(`_LOCAL_TRY_TLS_', `dnl +R$* $: $1 $| $>"Local_try_tls" $1 +R$* $| $#$* $#$2 +R$* $| $* $: $1', `dnl') +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: $>D <$&{server_name}> <> +R$* $: $>A <$&{server_addr}> <> +R$* $: <$(access TLS_TRY_TAG`'_TAG_DELIM_ $: ? $)> +R$* $@ OK +ifdef(`_ATMPF_', `dnl tempfail? +R<$* _ATMPF_>$* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +R$* $#error $@ 5.7.1 $: "550 do not try TLS with " $&{server_name} " ["$&{server_addr}"]"') + +###################################################################### +### tls_rcpt: is connection with server "good" enough? +### (done in client, per recipient) +dnl called from deliver() before RCPT command +### +### Parameters: +### $1: recipient +###################################################################### +Stls_rcpt +ifdef(`_LOCAL_TLS_RCPT_', `dnl +R$* $: $1 $| $>"Local_tls_rcpt" $1 +R$* $| $#$* $#$2 +R$* $| $* $: $1', `dnl') +ifdef(`_ACCESS_TABLE_', `dnl +dnl store name of other side +R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 +dnl canonify recipient address +R$+ $: $>CanonAddr $1 +dnl strip trailing dots +R $+ < @ $+ . > $1 <@ $2 > +dnl full address? +R $+ < @ $+ > $: $1 <@ $2 > $| +dnl only localpart? +R $+ $: $1 $| +dnl look it up +dnl also look up a default value via E: +R$* $| $+ $: $1 $| $>SearchList $| $2 <> +dnl found nothing: stop here +R$* $| $@ OK +ifdef(`_ATMPF_', `dnl tempfail? +R$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +dnl use the generic routine (for now) +R$* $| <$+> $@ $>"TLS_connection" $&{verify} $| <$2>') + +###################################################################### +### tls_client: is connection with client "good" enough? +### (done in server) +### +### Parameters: +### ${verify} $| (MAIL|STARTTLS) +###################################################################### +dnl MAIL: called from check_mail +dnl STARTTLS: called from smtp() after STARTTLS has been accepted +Stls_client +ifdef(`_LOCAL_TLS_CLIENT_', `dnl +R$* $: $1 $| $>"Local_tls_client" $1 +R$* $| $#$* $#$2 +R$* $| $* $: $1', `dnl') +ifdef(`_ACCESS_TABLE_', `dnl +dnl store name of other side +R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 +dnl ignore second arg for now +dnl maybe use it to distinguish permanent/temporary error? +dnl if MAIL: permanent (STARTTLS has not been offered) +dnl if STARTTLS: temporary (offered but maybe failed) +R$* $| $* $: $1 $| $>D <$&{client_name}> <> +R$* $| $* $: $1 $| $>A <$&{client_addr}> <> +dnl do a default lookup: just TLS_CLT_TAG +R$* $| $* $: $1 $| <$(access TLS_CLT_TAG`'_TAG_DELIM_ $: ? $)> +ifdef(`_ATMPF_', `dnl tempfail? +R$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +R$* $@ $>"TLS_connection" $1', `dnl +R$* $| $* $@ $>"TLS_connection" $1') + +###################################################################### +### tls_server: is connection with server "good" enough? +### (done in client) +### +### Parameter: +### ${verify} +###################################################################### +dnl i.e. has the server been authenticated and is encryption active? +dnl called from deliver() after STARTTLS command +Stls_server +ifdef(`_LOCAL_TLS_SERVER_', `dnl +R$* $: $1 $| $>"Local_tls_server" $1 +R$* $| $#$* $#$2 +R$* $| $* $: $1', `dnl') +ifdef(`_ACCESS_TABLE_', `dnl +dnl store name of other side +R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 +R$* $: $1 $| $>D <$&{server_name}> <> +R$* $| $* $: $1 $| $>A <$&{server_addr}> <> +dnl do a default lookup: just TLS_SRV_TAG +R$* $| $* $: $1 $| <$(access TLS_SRV_TAG`'_TAG_DELIM_ $: ? $)> +ifdef(`_ATMPF_', `dnl tempfail? +R$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +R$* $@ $>"TLS_connection" $1', `dnl +R$* $@ $>"TLS_connection" $1') + +###################################################################### +### TLS_connection: is TLS connection "good" enough? +### +### Parameters: +ifdef(`_ACCESS_TABLE_', `dnl +### ${verify} $| [<>]', `dnl +### ${verify}') +### Requirement: RHS from access map, may be ? for none. +dnl syntax for Requirement: +dnl [(PERM|TEMP)+] (VERIFY[:bits]|ENCR:bits) [+extensions] +dnl extensions: could be a list of further requirements +dnl for now: CN:string {cn_subject} == string +###################################################################### +STLS_connection +ifdef(`_ACCESS_TABLE_', `dnl', `dnl use default error +dnl deal with TLS handshake failures: abort +RSOFTWARE $#error $@ ifdef(`TLS_PERM_ERR', `5.7.0', `4.7.0') $: "ifdef(`TLS_PERM_ERR', `503', `403') TLS handshake." +divert(-1)') +dnl common ruleset for tls_{client|server} +dnl input: ${verify} $| [<>] +dnl remove optional <> +R$* $| <$*>$* $: $1 $| <$2> +dnl workspace: ${verify} $| +# create the appropriate error codes +dnl permanent or temporary error? +R$* $| $: $1 $| <503:5.7.0> <$2 $3> +R$* $| $: $1 $| <403:4.7.0> <$2 $3> +dnl default case depends on TLS_PERM_ERR +R$* $| <$={Tls} $*> $: $1 $| <$2 $3> +dnl workspace: ${verify} $| [] +# deal with TLS handshake failures: abort +RSOFTWARE $| <$-:$+> $* $#error $@ $2 $: $1 " TLS handshake failed." +dnl no i.e. not requirements in the access map +dnl use default error +RSOFTWARE $| $* $#error $@ ifdef(`TLS_PERM_ERR', `5.7.0', `4.7.0') $: "ifdef(`TLS_PERM_ERR', `503', `403') TLS handshake failed." +R$* $| <$*> $: <$2> <> $1 +dnl separate optional requirements +R$* $| <$*> $: <$2> <$3> $1 +R$* $| <$*> <$={Tls}:$->$* $: <$2> <$3:$4> <> $1 +dnl separate optional requirements +R$* $| <$*> <$={Tls}:$- + $+>$* $: <$2> <$3:$4> <$5> $1 +dnl some other value in access map: accept +dnl this also allows to override the default case (if used) +R$* $| $* $@ OK +# authentication required: give appropriate error +# other side did authenticate (via STARTTLS) +dnl workspace: <{VERIFY,ENCR}[:BITS]> <[extensions]> ${verify} +dnl only verification required and it succeeded +R<$*> <> OK $@ OK +dnl verification required and it succeeded but extensions are given +dnl change it to +R<$*> <$+> OK $: <$1> <$2> +dnl verification required + some level of encryption +R<$*> <$*> OK $: <$1> <$3> +dnl just some level of encryption required +R<$*> <$*> $* $: <$1> <$3> +dnl workspace: +dnl 1. <[extensions]> {verify} (!= OK) +dnl 2. <[extensions]> +dnl verification required but ${verify} is not set (case 1.) +R<$-:$+> <$*> $#error $@ $2 $: $1 " authentication required" +R<$-:$+> <$*> FAIL $#error $@ $2 $: $1 " authentication failed" +R<$-:$+> <$*> NO $#error $@ $2 $: $1 " not authenticated" +R<$-:$+> <$*> NOT $#error $@ $2 $: $1 " no authentication requested" +R<$-:$+> <$*> NONE $#error $@ $2 $: $1 " other side does not support STARTTLS" +dnl some other value for ${verify} +R<$-:$+> <$*> $+ $#error $@ $2 $: $1 " authentication failure " $4 +dnl some level of encryption required: get the maximum level (case 2.) +R<$*> <$*> $: <$1> <$3> $>max $&{cipher_bits} : $&{auth_ssf} +dnl compare required bits with actual bits +R<$*> <$*> $- $: <$1> <$2:$4> <$3> $(arith l $@ $4 $@ $2 $) +R<$-:$+><$-:$-> <$*> TRUE $#error $@ $2 $: $1 " encryption too weak " $4 " less than " $3 +dnl strength requirements fulfilled +dnl TLS Additional Requirements Separator +dnl this should be something which does not appear in the extensions itself +dnl @ could be part of a CN, DN, etc... +dnl use < > ? those are encoded in CN, DN, ... +define(`_TLS_ARS_', `++')dnl +dnl workspace: +dnl result-of-compare +R<$-:$+><$-:$-> <$*> $* $: <$1:$2 _TLS_ARS_ $5> +dnl workspace: +dnl continue: check extensions +R<$-:$+ _TLS_ARS_ > $@ OK +dnl split extensions into own list +R<$-:$+ _TLS_ARS_ $+ > $: <$1:$2> <$3> +R<$-:$+> < $+ _TLS_ARS_ $+ > <$1:$2> <$3> <$4> +R<$-:$+> $+ $@ $>"TLS_req" $3 $| <$1:$2> + +###################################################################### +### TLS_req: check additional TLS requirements +### +### Parameters: [ ] $| <$-:$+> +### $-: SMTP reply code +### $+: Enhanced Status Code +dnl further requirements for this ruleset: +dnl name of "other side" is stored is {TLS_name} (client/server_name) +dnl +dnl currently only CN[:common_name] is implemented +dnl right now this is only a logical AND +dnl i.e. all requirements must be true +dnl how about an OR? CN must be X or CN must be Y or .. +dnl use a macro to compute this as a trivial sequential +dnl operations (no precedences etc)? +###################################################################### +STLS_req +dnl no additional requirements: ok +R $| $+ $@ OK +dnl require CN: but no CN specified: use name of other side +R $* $| <$+> $: $1 $| <$2> +dnl match, check rest +R $* $| <$+> $@ $>"TLS_req" $1 $| <$2> +dnl CN does not match +dnl 1 2 3 4 +R $* $| <$-:$+> $#error $@ $4 $: $3 " CN " $&{cn_subject} " does not match " $1 +dnl cert subject +R $* $| <$+> $@ $>"TLS_req" $1 $| <$2> +dnl CS does not match +dnl 1 2 3 4 +R $* $| <$-:$+> $#error $@ $4 $: $3 " Cert Subject " $&{cert_subject} " does not match " $1 +dnl match, check rest +R $* $| <$+> $@ $>"TLS_req" $1 $| <$2> +dnl CI does not match +dnl 1 2 3 4 +R $* $| <$-:$+> $#error $@ $4 $: $3 " Cert Issuer " $&{cert_issuer} " does not match " $1 +dnl return from recursive call +ROK $@ OK + +###################################################################### +### max: return the maximum of two values separated by : +### +### Parameters: [$-]:[$-] +###################################################################### +Smax +R: $: 0 +R:$- $: $1 +R$-: $: $1 +R$-:$- $: $(arith l $@ $1 $@ $2 $) : $1 : $2 +RTRUE:$-:$- $: $2 +R$-:$-:$- $: $2 +dnl endif _ACCESS_TABLE_ +divert(0) + +###################################################################### +### RelayTLS: allow relaying based on TLS authentication +### +### Parameters: +### none +###################################################################### +SRelayTLS +# authenticated? +dnl we do not allow relaying for anyone who can present a cert +dnl signed by a "trusted" CA. For example, even if we put verisigns +dnl CA in CertPath so we can authenticate users, we do not allow +dnl them to abuse our server (they might be easier to get hold of, +dnl but anyway). +dnl so here is the trick: if the verification succeeded +dnl we look up the cert issuer in the access map +dnl (maybe after extracting a part with a regular expression) +dnl if this returns RELAY we relay without further questions +dnl if it returns SUBJECT we perform a similar check on the +dnl cert subject. +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: $&{verify} +R OK $: OK authenticated: continue +R $* $@ NO not authenticated +ifdef(`_CERT_REGEX_ISSUER_', `dnl +R$* $: $(CERTIssuer $&{cert_issuer} $)', +`R$* $: $&{cert_issuer}') +R$+ $: $(access CERTISSUER`'_TAG_DELIM_`'$1 $) +dnl use $# to stop further checks (delay_check) +RRELAY $# RELAY +ifdef(`_CERT_REGEX_SUBJECT_', `dnl +RSUBJECT $: <@> $(CERTSubject $&{cert_subject} $)', +`RSUBJECT $: <@> $&{cert_subject}') +R<@> $+ $: <@> $(access CERTSUBJECT`'_TAG_DELIM_`'$1 $) +R<@> RELAY $# RELAY +R$* $: NO', `dnl') + +###################################################################### +### authinfo: lookup authinfo in the access map +### +### Parameters: +### $1: {server_name} +### $2: {server_addr} +dnl both are currently ignored +dnl if it should be done via another map, we either need to restrict +dnl functionality (it calls D and A) or copy those rulesets (or add another +dnl parameter which I want to avoid, it's quite complex already) +###################################################################### +dnl omit this ruleset if neither is defined? +dnl it causes DefaultAuthInfo to be ignored +dnl (which may be considered a good thing). +Sauthinfo +ifdef(`_AUTHINFO_TABLE_', `dnl +R$* $: <$(authinfo AuthInfo:$&{server_name} $: ? $)> +R $: <$(authinfo AuthInfo:$&{server_addr} $: ? $)> +R $: <$(authinfo AuthInfo: $: ? $)> +R $@ no no authinfo available +R<$*> $# $1 +dnl', `dnl +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: $1 $| $>D <$&{server_name}> <> +R$* $| $* $: $1 $| $>A <$&{server_addr}> <> +R$* $| $* $: $1 $| <$(access AuthInfo`'_TAG_DELIM_ $: ? $)> <> +R$* $| $* $@ no no authinfo available +R$* $| <$*> <> $# $2 +dnl', `dnl')') + +ifdef(`_RATE_CONTROL_',`dnl +###################################################################### +### RateControl: +### Parameters: ignored +### return: $#error or OK +###################################################################### +SRateControl +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: +dnl also look up a default value via E: +R$+ $: $>SearchList $| $1 <> +dnl found nothing: stop here +R $@ OK +ifdef(`_ATMPF_', `dnl tempfail? +R<$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +dnl use the generic routine (for now) +R<0> $@ OK no limit +R<$+> $: <$1> $| $(arith l $@ $&{client_rate} $@ $1 $) +dnl log this? Connection rate $&{client_rate} exceeds limit $1. +R<$+> $| FALSE $#error $@ 4.3.2 $: _RATE_CONTROL_REPLY Connection rate limit exceeded. +')') + +ifdef(`_CONN_CONTROL_',`dnl +###################################################################### +### ConnControl: +### Parameters: ignored +### return: $#error or OK +###################################################################### +SConnControl +ifdef(`_ACCESS_TABLE_', `dnl +R$* $: +dnl also look up a default value via E: +R$+ $: $>SearchList $| $1 <> +dnl found nothing: stop here +R $@ OK +ifdef(`_ATMPF_', `dnl tempfail? +R<$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') +dnl use the generic routine (for now) +R<0> $@ OK no limit +R<$+> $: <$1> $| $(arith l $@ $&{client_connections} $@ $1 $) +dnl log this: Open connections $&{client_connections} exceeds limit $1. +R<$+> $| FALSE $#error $@ 4.3.2 $: _CONN_CONTROL_REPLY Too many open connections. +')') + +undivert(9)dnl LOCAL_RULESETS +# +###################################################################### +###################################################################### +##### +`##### MAIL FILTER DEFINITIONS' +##### +###################################################################### +###################################################################### +_MAIL_FILTERS_ +# +###################################################################### +###################################################################### +##### +`##### MAILER DEFINITIONS' +##### +###################################################################### +###################################################################### +undivert(7)dnl MAILER_DEFINITIONS + diff --git a/contrib/sendmail-8.13.4/cf/m4/version.m4 b/contrib/sendmail-8.13.4/cf/m4/version.m4 new file mode 100644 index 0000000000..0abf7b510c --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/m4/version.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +VERSIONID(`$Id: version.m4,v 8.132 2005/03/25 18:44:45 ca Exp $') +# +divert(0) +# Configuration version number +DZ8.13.4`'ifdef(`confCF_VERSION', `/confCF_VERSION') diff --git a/contrib/sendmail-8.13.4/cf/mailer/cyrus.m4 b/contrib/sendmail-8.13.4/cf/mailer/cyrus.m4 new file mode 100644 index 0000000000..cca7f8e688 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/cyrus.m4 @@ -0,0 +1,60 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# This code incorporates code from Carnegie Mellon University, whose +# copyright notice and conditions of redistribution are as follows: +# +#*************************************************************************** +# (C) Copyright 1995 by Carnegie Mellon University +# +# All Rights Reserved +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose and without fee is hereby granted, +# provided that the above copyright notice appear in all copies and that +# both that copyright notice and this permission notice appear in +# supporting documentation, and that the name of CMU not be +# used in advertising or publicity pertaining to distribution of the +# software without specific, written prior permission. +# +# CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +# CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +# SOFTWARE. +# +# Contributed to Berkeley by John Gardiner Myers . +# + +_DEFIFNOT(`CYRUS_MAILER_FLAGS', `Ah5@/:|') +ifdef(`CYRUS_MAILER_PATH',, `define(`CYRUS_MAILER_PATH', /usr/cyrus/bin/deliver)') +ifdef(`CYRUS_MAILER_ARGS',, `define(`CYRUS_MAILER_ARGS', `deliver -e -m $h -- $u')') +ifdef(`CYRUS_MAILER_USER',, `define(`CYRUS_MAILER_USER', `cyrus:mail')') +_DEFIFNOT(`CYRUS_BB_MAILER_FLAGS', `u') +ifdef(`CYRUS_BB_MAILER_ARGS',, `define(`CYRUS_BB_MAILER_ARGS', `deliver -e -m $u')') +define(`_CYRUS_QGRP', `ifelse(defn(`CYRUS_MAILER_QGRP'),`',`', ` Q=CYRUS_MAILER_QGRP,')')dnl + +POPDIVERT + +################################################## +### Cyrus Mailer specification ### +################################################## + +VERSIONID(`$Id: cyrus.m4,v 8.23 2001/11/12 23:11:34 ca Exp $ (Carnegie Mellon)') + +Mcyrus, P=CYRUS_MAILER_PATH, F=_MODMF_(CONCAT(`lsDFMnPq', CYRUS_MAILER_FLAGS), `CYRUS'), S=EnvFromL, R=EnvToL/HdrToL, + ifdef(`CYRUS_MAILER_MAX', `M=CYRUS_MAILER_MAX, ')U=CYRUS_MAILER_USER, T=DNS/RFC822/X-Unix,_CYRUS_QGRP + A=CYRUS_MAILER_ARGS + +Mcyrusbb, P=CYRUS_MAILER_PATH, F=_MODMF_(CONCAT(`lsDFMnP', CYRUS_BB_MAILER_FLAGS), `CYRUS'), S=EnvFromL, R=EnvToL/HdrToL, + ifdef(`CYRUS_MAILER_MAX', `M=CYRUS_MAILER_MAX, ')U=CYRUS_MAILER_USER, T=DNS/RFC822/X-Unix,_CYRUS_QGRP + A=CYRUS_BB_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/cyrusv2.m4 b/contrib/sendmail-8.13.4/cf/mailer/cyrusv2.m4 new file mode 100644 index 0000000000..2a40a23d4e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/cyrusv2.m4 @@ -0,0 +1,29 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# Contributed by Kenneth Murchison. +# + +_DEFIFNOT(`_DEF_CYRUSV2_MAILER_FLAGS', `lsDFMnqXz') +_DEFIFNOT(`CYRUSV2_MAILER_FLAGS', `A@/:|m') +ifdef(`CYRUSV2_MAILER_ARGS',, `define(`CYRUSV2_MAILER_ARGS', `FILE /var/imap/socket/lmtp')') +define(`_CYRUSV2_QGRP', `ifelse(defn(`CYRUSV2_MAILER_QGRP'),`',`', ` Q=CYRUSV2_MAILER_QGRP,')')dnl + +POPDIVERT + +######################################### +### Cyrus V2 Mailer specification ### +######################################### + +VERSIONID(`$Id: cyrusv2.m4,v 1.1 2002/06/01 21:14:57 ca Exp $') + +Mcyrusv2, P=[IPC], F=_MODMF_(CONCAT(_DEF_CYRUSV2_MAILER_FLAGS, CYRUSV2_MAILER_FLAGS), `CYRUSV2'), + S=EnvFromSMTP/HdrFromL, R=EnvToL/HdrToL, E=\r\n, + _OPTINS(`CYRUSV2_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`CYRUSV2_MAILER_MAXRCPTS', `r=', `, ')_OPTINS(`CYRUSV2_MAILER_CHARSET', `C=', `, ')T=DNS/RFC822/SMTP,_CYRUSV2_QGRP + A=CYRUSV2_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/fax.m4 b/contrib/sendmail-8.13.4/cf/mailer/fax.m4 new file mode 100644 index 0000000000..4e2116e653 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/fax.m4 @@ -0,0 +1,38 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998, 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# This assumes you already have Sam Leffler's HylaFAX software. +# +# Tested with HylaFAX 4.0pl1 +# + +ifdef(`FAX_MAILER_ARGS',, + `define(`FAX_MAILER_ARGS', faxmail -d $u@$h $f)') +ifdef(`FAX_MAILER_PATH',, + `define(`FAX_MAILER_PATH', /usr/local/bin/faxmail)') +ifdef(`FAX_MAILER_MAX',, + `define(`FAX_MAILER_MAX', 100000)') +define(`_FAX_QGRP', `ifelse(defn(`FAX_MAILER_QGRP'),`',`', ` Q=FAX_MAILER_QGRP,')')dnl +POPDIVERT +#################################### +### FAX Mailer specification ### +#################################### + +VERSIONID(`$Id: fax.m4,v 8.16 2001/11/12 23:11:34 ca Exp $') + +Mfax, P=FAX_MAILER_PATH, F=DFMhu, S=14, R=24, + M=FAX_MAILER_MAX, T=X-Phone/X-FAX/X-Unix,_FAX_QGRP + A=FAX_MAILER_ARGS + +LOCAL_CONFIG +CPFAX diff --git a/contrib/sendmail-8.13.4/cf/mailer/local.m4 b/contrib/sendmail-8.13.4/cf/mailer/local.m4 new file mode 100644 index 0000000000..e2f971140d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/local.m4 @@ -0,0 +1,93 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2000, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +_DEFIFNOT(`_DEF_LOCAL_MAILER_FLAGS', `lsDFMAw5:/|@q') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Prmn9') +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /bin/mail)') +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail -d $u')') +ifdef(`LOCAL_MAILER_DSN_DIAGNOSTIC_CODE',, `define(`LOCAL_MAILER_DSN_DIAGNOSTIC_CODE', `X-Unix')') +_DEFIFNOT(`_DEF_LOCAL_SHELL_FLAGS', `lsDFMoq') +_DEFIFNOT(`LOCAL_SHELL_FLAGS', `eu9') +ifdef(`LOCAL_SHELL_PATH',, `define(`LOCAL_SHELL_PATH', /bin/sh)') +ifdef(`LOCAL_SHELL_ARGS',, `define(`LOCAL_SHELL_ARGS', `sh -c $u')') +ifdef(`LOCAL_SHELL_DIR',, `define(`LOCAL_SHELL_DIR', `$z:/')') +define(`LOCAL_RWR', `ifdef(`_LOCAL_LMTP_', +`S=EnvFromSMTP/HdrFromL, R=EnvToL/HdrToL', +`S=EnvFromL/HdrFromL, R=EnvToL/HdrToL')') +define(`_LOCAL_QGRP', `ifelse(defn(`LOCAL_MAILER_QGRP'),`',`', ` Q=LOCAL_MAILER_QGRP,')')dnl +define(`_PROG_QGRP', `ifelse(defn(`LOCAL_PROG_QGRP'),`',`', ` Q=LOCAL_PROG_QGRP,')')dnl +POPDIVERT + +################################################## +### Local and Program Mailer specification ### +################################################## + +VERSIONID(`$Id: local.m4,v 8.59 2004/11/23 00:37:25 ca Exp $') + +# +# Envelope sender rewriting +# +SEnvFromL +R<@> $n errors to mailer-daemon +R@ <@ $*> $n temporarily bypass Sun bogosity +R$+ $: $>AddDomain $1 add local domain if needed +ifdef(`_LOCAL_NO_MASQUERADE_', `dnl', `dnl +R$* $: $>MasqEnv $1 do masquerading') + +# +# Envelope recipient rewriting +# +SEnvToL +R$+ < @ $* > $: $1 strip host part +ifdef(`confUSERDB_SPEC', `dnl', `dnl +R$+ + $* $: < $&{addr_type} > $1 + $2 mark with addr type +R $+ + $* $: $1 remove +detail for sender +R< $* > $+ $: $2 else remove mark') + +# +# Header sender rewriting +# +SHdrFromL +R<@> $n errors to mailer-daemon +R@ <@ $*> $n temporarily bypass Sun bogosity +R$+ $: $>AddDomain $1 add local domain if needed +ifdef(`_LOCAL_NO_MASQUERADE_', `dnl', `dnl +R$* $: $>MasqHdr $1 do masquerading') + +# +# Header recipient rewriting +# +SHdrToL +R$+ $: $>AddDomain $1 add local domain if needed +ifdef(`_ALL_MASQUERADE_', `dnl +ifdef(`_LOCAL_NO_MASQUERADE_', `dnl', `dnl +R$* $: $>MasqHdr $1 do all-masquerading')', +`R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2') + +# +# Common code to add local domain name (only if always-add-domain) +# +SAddDomain +ifdef(`_ALWAYS_ADD_DOMAIN_', `dnl +R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified +ifelse(len(X`'_ALWAYS_ADD_DOMAIN_),`1',` +R$+ $@ $1 < @ *LOCAL* > add local qualification', +`R$+ $@ $1 < @ _ALWAYS_ADD_DOMAIN_ > add qualification')', +`dnl') + +Mlocal, P=LOCAL_MAILER_PATH, F=_MODMF_(CONCAT(_DEF_LOCAL_MAILER_FLAGS, LOCAL_MAILER_FLAGS), `LOCAL'), LOCAL_RWR,_OPTINS(`LOCAL_MAILER_EOL', ` E=', `, ') + _OPTINS(`LOCAL_MAILER_MAX', `M=', `, ')_OPTINS(`LOCAL_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`LOCAL_MAILER_MAXRCPTS', `r=', `, ')_OPTINS(`LOCAL_MAILER_CHARSET', `C=', `, ')T=DNS/RFC822/LOCAL_MAILER_DSN_DIAGNOSTIC_CODE,_LOCAL_QGRP + A=LOCAL_MAILER_ARGS +Mprog, P=LOCAL_SHELL_PATH, F=_MODMF_(CONCAT(_DEF_LOCAL_SHELL_FLAGS, LOCAL_SHELL_FLAGS), `SHELL'), S=EnvFromL/HdrFromL, R=EnvToL/HdrToL, D=LOCAL_SHELL_DIR, + _OPTINS(`LOCAL_MAILER_MAX', `M=', `, ')T=X-Unix/X-Unix/X-Unix,_PROG_QGRP + A=LOCAL_SHELL_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/mail11.m4 b/contrib/sendmail-8.13.4/cf/mailer/mail11.m4 new file mode 100644 index 0000000000..14bc794584 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/mail11.m4 @@ -0,0 +1,61 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Not exciting enough to bother with copyrights and most of the +# rulesets are based from those provided by DEC. +# Barb Dijker, Labyrinth Computer Services, barb@labyrinth.com +# +# This mailer is only useful if you have DECNET and the +# mail11 program - gatekeeper.dec.com:/pub/DEC/gwtools. +# +# For local delivery of DECNET style addresses to the local +# DECNET node, you will need feature(use_cw_file) and put +# your DECNET nodename in in the cw file. +# +ifdef(`MAIL11_MAILER_PATH',, `define(`MAIL11_MAILER_PATH', /usr/etc/mail11)') +_DEFIFNOT(`MAIL11_MAILER_FLAGS', `nsFx') +ifdef(`MAIL11_MAILER_ARGS',, `define(`MAIL11_MAILER_ARGS', mail11 $g $x $h $u)') +define(`_USE_DECNET_SYNTAX_') +define(`_LOCAL_', ifdef(`confLOCAL_MAILER', confLOCAL_MAILER, `local')) +define(`_MAIL11_QGRP', `ifelse(defn(`MAIL11_MAILER_QGRP'),`',`', ` Q=MAIL11_MAILER_QGRP,')')dnl + +POPDIVERT + +PUSHDIVERT(3) +# DECNET delivery +R$* < @ $=w .DECNET. > $#_LOCAL_ $: $1 local DECnet +R$+ < @ $+ .DECNET. > $#mail11 $@ $2 $: $1 DECnet user +POPDIVERT + +PUSHDIVERT(6) +CPDECNET +POPDIVERT + +########################################### +### UTK-MAIL11 Mailer specification ### +########################################### + +VERSIONID(`$Id: mail11.m4,v 8.22 2001/11/12 23:11:34 ca Exp $') + +SMail11To +R$+ < @ $- .UUCP > $: $2 ! $1 back to old style +R$+ < @ $- .DECNET > $: $2 :: $1 convert to DECnet style +R$+ < @ $- .LOCAL > $: $2 :: $1 convert to DECnet style +R$+ < @ $=w. > $: $2 :: $1 convert to DECnet style +R$=w :: $+ $2 strip local names +R$+ :: $+ $@ $1 :: $2 already qualified + +SMail11From +R$+ $: $>Mail11To $1 preprocess +R$w :: $+ $@ $w :: $1 ready to go + +Mmail11, P=MAIL11_MAILER_PATH, F=_MODMF_(MAIL11_MAILER_FLAGS, `MAIL11'), S=Mail11From, R=Mail11To, + T=DNS/X-DECnet/X-Unix,_MAIL11_QGRP + A=MAIL11_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/phquery.m4 b/contrib/sendmail-8.13.4/cf/mailer/phquery.m4 new file mode 100644 index 0000000000..58b71b07a2 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/phquery.m4 @@ -0,0 +1,32 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Contributed by Kimmo Suominen . +# + +ifdef(`PH_MAILER_PATH',, `define(`PH_MAILER_PATH', /usr/local/etc/phquery)') +_DEFIFNOT(`PH_MAILER_FLAGS', `ehmu') +ifdef(`PH_MAILER_ARGS',, `define(`PH_MAILER_ARGS', `phquery -- $u')') +define(`_PH_QGRP', `ifelse(defn(`PH_MAILER_QGRP'),`',`', ` Q=PH_MAILER_QGRP,')')dnl + +POPDIVERT + +#################################### +### PH Mailer specification ### +#################################### + +VERSIONID(`$Id: phquery.m4,v 8.17 2001/11/12 23:11:34 ca Exp $') + +Mph, P=PH_MAILER_PATH, F=_MODMF_(CONCAT(`nrDFM', PH_MAILER_FLAGS), `PH'), S=EnvFromL, R=EnvToL/HdrToL, + T=DNS/RFC822/X-Unix,_PH_QGRP + A=PH_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/pop.m4 b/contrib/sendmail-8.13.4/cf/mailer/pop.m4 new file mode 100644 index 0000000000..d2680e1cae --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/pop.m4 @@ -0,0 +1,34 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +ifdef(`POP_MAILER_PATH',, `define(`POP_MAILER_PATH', /usr/lib/mh/spop)') +_DEFIFNOT(`POP_MAILER_FLAGS', `Penu') +ifdef(`POP_MAILER_ARGS',, `define(`POP_MAILER_ARGS', `pop $u')') +define(`_POP_QGRP', `ifelse(defn(`POP_MAILER_QGRP'),`',`', ` Q=POP_MAILER_QGRP,')')dnl + +POPDIVERT + +#################################### +### POP Mailer specification ### +#################################### + +VERSIONID(`$Id: pop.m4,v 8.22 2001/11/12 23:11:34 ca Exp $') + +Mpop, P=POP_MAILER_PATH, F=_MODMF_(CONCAT(`lsDFMq', POP_MAILER_FLAGS), `POP'), S=EnvFromL, R=EnvToL/HdrToL, + T=DNS/RFC822/X-Unix,_POP_QGRP + A=POP_MAILER_ARGS + +LOCAL_CONFIG +# POP mailer is a pseudo-domain +CPPOP diff --git a/contrib/sendmail-8.13.4/cf/mailer/procmail.m4 b/contrib/sendmail-8.13.4/cf/mailer/procmail.m4 new file mode 100644 index 0000000000..103e042a7c --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/procmail.m4 @@ -0,0 +1,34 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +ifdef(`PROCMAIL_MAILER_PATH',, + `ifdef(`PROCMAIL_PATH', + `define(`PROCMAIL_MAILER_PATH', PROCMAIL_PATH)', + `define(`PROCMAIL_MAILER_PATH', /usr/local/bin/procmail)')') +_DEFIFNOT(`PROCMAIL_MAILER_FLAGS', `SPhnu9') +ifdef(`PROCMAIL_MAILER_ARGS',, + `define(`PROCMAIL_MAILER_ARGS', `procmail -Y -m $h $f $u')') +define(`_PROCMAIL_QGRP', `ifelse(defn(`PROCMAIL_MAILER_QGRP'),`',`', ` Q=PROCMAIL_MAILER_QGRP,')')dnl + +POPDIVERT + +######################*****############## +### PROCMAIL Mailer specification ### +##################*****################## + +VERSIONID(`$Id: procmail.m4,v 8.22 2001/11/12 23:11:34 ca Exp $') + +Mprocmail, P=PROCMAIL_MAILER_PATH, F=_MODMF_(CONCAT(`DFM', PROCMAIL_MAILER_FLAGS), `PROCMAIL'), S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP/HdrFromSMTP, + ifdef(`PROCMAIL_MAILER_MAX', `M=PROCMAIL_MAILER_MAX, ')T=DNS/RFC822/X-Unix,_PROCMAIL_QGRP + A=PROCMAIL_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/qpage.m4 b/contrib/sendmail-8.13.4/cf/mailer/qpage.m4 new file mode 100644 index 0000000000..b0d9d51eb0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/qpage.m4 @@ -0,0 +1,31 @@ +PUSHDIVERT(-1) +# +# Copyright (C) 1997, Philip A. Prindeville and Enteka Enterprise Technology +# Services +# +# Copyright (c) 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# Tested with QuickPage version 3.2 +# +ifdef(`QPAGE_MAILER_PATH', `', `define(`QPAGE_MAILER_PATH', `/usr/local/bin/qpage')') +_DEFIFNOT(`QPAGE_MAILER_FLAGS', `mDFMs') +ifdef(`QPAGE_MAILER_ARGS', `', `define(`QPAGE_MAILER_ARGS', `qpage -l0 -m -P$u')') +ifdef(`QPAGE_MAILER_MAX', `', `define(`QPAGE_MAILER_MAX', `4096')') +define(`_QPAGE_QGRP', `ifelse(defn(`QPAGE_MAILER_QGRP'),`',`', ` Q=QPAGE_MAILER_QGRP,')')dnl + +POPDIVERT + +###################################### +### QPAGE Mailer specification ### +###################################### + +VERSIONID(`$Id: qpage.m4,v 8.10 2001/11/12 23:11:34 ca Exp $') + +Mqpage, P=QPAGE_MAILER_PATH, F=_MODMF_(QPAGE_MAILER_FLAGS, `QPAGE'), + M=QPAGE_MAILER_MAX, T=DNS/RFC822/X-Unix,_QPAGE_QGRP + A=QPAGE_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/smtp.m4 b/contrib/sendmail-8.13.4/cf/mailer/smtp.m4 new file mode 100644 index 0000000000..2bf5a82e25 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/smtp.m4 @@ -0,0 +1,122 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +_DEFIFNOT(`_DEF_SMTP_MAILER_FLAGS', `mDFMuX') +_DEFIFNOT(`SMTP_MAILER_FLAGS',`') +_DEFIFNOT(`RELAY_MAILER_FLAGS', `SMTP_MAILER_FLAGS') +ifdef(`SMTP_MAILER_ARGS',, `define(`SMTP_MAILER_ARGS', `TCP $h')') +ifdef(`ESMTP_MAILER_ARGS',, `define(`ESMTP_MAILER_ARGS', `TCP $h')') +ifdef(`SMTP8_MAILER_ARGS',, `define(`SMTP8_MAILER_ARGS', `TCP $h')') +ifdef(`DSMTP_MAILER_ARGS',, `define(`DSMTP_MAILER_ARGS', `TCP $h')') +ifdef(`RELAY_MAILER_ARGS',, `define(`RELAY_MAILER_ARGS', `TCP $h')') +define(`_SMTP_QGRP', `ifelse(defn(`SMTP_MAILER_QGRP'),`',`', ` Q=SMTP_MAILER_QGRP,')')dnl +define(`_ESMTP_QGRP', `ifelse(defn(`ESMTP_MAILER_QGRP'),`',`', ` Q=ESMTP_MAILER_QGRP,')')dnl +define(`_SMTP8_QGRP', `ifelse(defn(`SMTP8_MAILER_QGRP'),`',`', ` Q=SMTP8_MAILER_QGRP,')')dnl +define(`_DSMTP_QGRP', `ifelse(defn(`DSMTP_MAILER_QGRP'),`',`', ` Q=DSMTP_MAILER_QGRP,')')dnl +define(`_RELAY_QGRP', `ifelse(defn(`RELAY_MAILER_QGRP'),`',`', ` Q=RELAY_MAILER_QGRP,')')dnl +POPDIVERT +##################################### +### SMTP Mailer specification ### +##################################### + +VERSIONID(`$Id: smtp.m4,v 8.64 2001/04/03 01:52:54 gshapiro Exp $') + +# +# common sender and masquerading recipient rewriting +# +SMasqSMTP +R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified +R$+ $@ $1 < @ *LOCAL* > add local qualification + +# +# convert pseudo-domain addresses to real domain addresses +# +SPseudoToReal + +# pass s through +R< @ $+ > $* $@ < @ $1 > $2 resolve + +# output fake domains as user%fake@relay +ifdef(`BITNET_RELAY', +`R$+ <@ $+ .BITNET. > $: $1 % $2 .BITNET < @ $B > user@host.BITNET +R$+.BITNET <@ $~[ $*:$+ > $: $1 .BITNET < @ $4 > strip mailer: part', + `dnl') +ifdef(`_NO_UUCP_', `dnl', ` +# do UUCP heuristics; note that these are shared with UUCP mailers +R$+ < @ $+ .UUCP. > $: < $2 ! > $1 convert to UUCP form +R$+ < @ $* > $* $@ $1 < @ $2 > $3 not UUCP form + +# leave these in .UUCP form to avoid further tampering +R< $&h ! > $- ! $+ $@ $2 < @ $1 .UUCP. > +R< $&h ! > $-.$+ ! $+ $@ $3 < @ $1.$2 > +R< $&h ! > $+ $@ $1 < @ $&h .UUCP. > +R< $+ ! > $+ $: $1 ! $2 < @ $Y > use UUCP_RELAY +R$+ < @ $~[ $* : $+ > $@ $1 < @ $4 > strip mailer: part +R$+ < @ > $: $1 < @ *LOCAL* > if no UUCP_RELAY') + + +# +# envelope sender rewriting +# +SEnvFromSMTP +R$+ $: $>PseudoToReal $1 sender/recipient common +R$* :; <@> $@ list:; special case +R$* $: $>MasqSMTP $1 qualify unqual'ed names +R$+ $: $>MasqEnv $1 do masquerading + + +# +# envelope recipient rewriting -- +# also header recipient if not masquerading recipients +# +SEnvToSMTP +R$+ $: $>PseudoToReal $1 sender/recipient common +R$+ $: $>MasqSMTP $1 qualify unqual'ed names +R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2 + +# +# header sender and masquerading header recipient rewriting +# +SHdrFromSMTP +R$+ $: $>PseudoToReal $1 sender/recipient common +R:; <@> $@ list:; special case + +# do special header rewriting +R$* <@> $* $@ $1 <@> $2 pass null host through +R< @ $* > $* $@ < @ $1 > $2 pass route-addr through +R$* $: $>MasqSMTP $1 qualify unqual'ed names +R$+ $: $>MasqHdr $1 do masquerading + + +# +# relay mailer header masquerading recipient rewriting +# +SMasqRelay +R$+ $: $>MasqSMTP $1 +R$+ $: $>MasqHdr $1 + +Msmtp, P=[IPC], F=_MODMF_(CONCAT(_DEF_SMTP_MAILER_FLAGS, SMTP_MAILER_FLAGS), `SMTP'), S=EnvFromSMTP/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `EnvToSMTP/HdrFromSMTP', `EnvToSMTP'), E=\r\n, L=990, + _OPTINS(`SMTP_MAILER_MAX', `M=', `, ')_OPTINS(`SMTP_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`SMTP_MAILER_MAXRCPTS', `r=', `, ')_OPTINS(`SMTP_MAILER_CHARSET', `C=', `, ')T=DNS/RFC822/SMTP,_SMTP_QGRP + A=SMTP_MAILER_ARGS +Mesmtp, P=[IPC], F=_MODMF_(CONCAT(_DEF_SMTP_MAILER_FLAGS, `a', SMTP_MAILER_FLAGS), `ESMTP'), S=EnvFromSMTP/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `EnvToSMTP/HdrFromSMTP', `EnvToSMTP'), E=\r\n, L=990, + _OPTINS(`SMTP_MAILER_MAX', `M=', `, ')_OPTINS(`SMTP_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`SMTP_MAILER_MAXRCPTS', `r=', `, ')_OPTINS(`SMTP_MAILER_CHARSET', `C=', `, ')T=DNS/RFC822/SMTP,_ESMTP_QGRP + A=ESMTP_MAILER_ARGS +Msmtp8, P=[IPC], F=_MODMF_(CONCAT(_DEF_SMTP_MAILER_FLAGS, `8', SMTP_MAILER_FLAGS), `SMTP8'), S=EnvFromSMTP/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `EnvToSMTP/HdrFromSMTP', `EnvToSMTP'), E=\r\n, L=990, + _OPTINS(`SMTP_MAILER_MAX', `M=', `, ')_OPTINS(`SMTP_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`SMTP_MAILER_MAXRCPTS', `r=', `, ')_OPTINS(`SMTP_MAILER_CHARSET', `C=', `, ')T=DNS/RFC822/SMTP,_SMTP8_QGRP + A=SMTP8_MAILER_ARGS +Mdsmtp, P=[IPC], F=_MODMF_(CONCAT(_DEF_SMTP_MAILER_FLAGS, `a%', SMTP_MAILER_FLAGS), `DSMTP'), S=EnvFromSMTP/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `EnvToSMTP/HdrFromSMTP', `EnvToSMTP'), E=\r\n, L=990, + _OPTINS(`SMTP_MAILER_MAX', `M=', `, ')_OPTINS(`SMTP_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`SMTP_MAILER_MAXRCPTS', `r=', `, ')_OPTINS(`SMTP_MAILER_CHARSET', `C=', `, ')T=DNS/RFC822/SMTP,_DSMTP_QGRP + A=DSMTP_MAILER_ARGS +Mrelay, P=[IPC], F=_MODMF_(CONCAT(_DEF_SMTP_MAILER_FLAGS, `a8', RELAY_MAILER_FLAGS), `RELAY'), S=EnvFromSMTP/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `MasqSMTP/MasqRelay', `MasqSMTP'), E=\r\n, L=2040, + _OPTINS(`RELAY_MAILER_CHARSET', `C=', `, ')_OPTINS(`RELAY_MAILER_MAXMSGS', `m=', `, ')_OPTINS(`SMTP_MAILER_MAXRCPTS', `r=', `, ')T=DNS/RFC822/SMTP,_RELAY_QGRP + A=RELAY_MAILER_ARGS diff --git a/contrib/sendmail-8.13.4/cf/mailer/usenet.m4 b/contrib/sendmail-8.13.4/cf/mailer/usenet.m4 new file mode 100644 index 0000000000..39f49b8bf0 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/usenet.m4 @@ -0,0 +1,28 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2000, 2003 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +ifdef(`USENET_MAILER_PATH',, `define(`USENET_MAILER_PATH', /usr/lib/news/inews)') +_DEFIFNOT(`USENET_MAILER_FLAGS', `rsDFMmn') +ifdef(`USENET_MAILER_ARGS',, `define(`USENET_MAILER_ARGS', `inews -m -h -n')') +define(`_USENET_QGRP', `ifelse(defn(`USENET_MAILER_QGRP'),`',`', ` Q=USENET_MAILER_QGRP,')')dnl +POPDIVERT +#################################### +### USENET Mailer specification ### +#################################### + +VERSIONID(`$Id: usenet.m4,v 8.22 2003/02/20 21:16:13 ca Exp $') + +Musenet, P=USENET_MAILER_PATH, F=_MODMF_(USENET_MAILER_FLAGS, `USENET'), S=EnvFromL, R=EnvToL, + _OPTINS(`USENET_MAILER_MAX', `M=', `, ')T=X-Usenet/X-Usenet/X-Unix,_USENET_QGRP + A=USENET_MAILER_ARGS $u diff --git a/contrib/sendmail-8.13.4/cf/mailer/uucp.m4 b/contrib/sendmail-8.13.4/cf/mailer/uucp.m4 new file mode 100644 index 0000000000..6513556079 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/mailer/uucp.m4 @@ -0,0 +1,157 @@ +PUSHDIVERT(-1) +# +# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', /usr/bin/uux)') +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gC $h!rmail ($u)')') +_DEFIFNOT(`UUCP_MAILER_FLAGS', `') +ifdef(`UUCP_MAILER_MAX',, + `define(`UUCP_MAILER_MAX', + `ifdef(`UUCP_MAX_SIZE', `UUCP_MAX_SIZE', 100000)')') +define(`_UUCP_QGRP', `ifelse(defn(`UUCP_MAILER_QGRP'),`',`', ` Q=UUCP_MAILER_QGRP,')')dnl +POPDIVERT +##################################### +### UUCP Mailer specification ### +##################################### + +VERSIONID(`$Id: uucp.m4,v 8.44 2001/08/24 19:49:08 ca Exp $') + +# +# envelope and header sender rewriting +# +SFromU + +# handle error address as a special case +R<@> $n errors to mailer-daemon + +# list:; syntax should disappear +R:; <@> $@ + +R$* < @ $* . > $* $1 < @ $2 > $3 strip trailing dots +R$* < @ $=w > $1 strip local name +R<@ $- . UUCP > : $+ $1 ! $2 convert to UUCP format +R<@ $+ > : $+ $1 ! $2 convert to UUCP format +R$* < @ $- . UUCP > $2 ! $1 convert to UUCP format +R$* < @ $+ > $2 ! $1 convert to UUCP format +R$&h ! $+ ! $+ $@ $1 ! $2 $h!...!user => ...!user +R$&h ! $+ $@ $&h ! $1 $h!user => $h!user +R$+ $: $U ! $1 prepend our name +R! $+ $: $k ! $1 in case $U undefined + +# +# envelope recipient rewriting +# +SEnvToU + +# list:; should disappear +R:; <@> $@ + +R$* < @ $* . > $* $1 < @ $2 > $3 strip trailing dots +R$* < @ $=w > $1 strip local name +R<@ $- . UUCP > : $+ $1 ! $2 convert to UUCP format +R<@ $+ > : $+ $1 ! $2 convert to UUCP format +R$* < @ $- . UUCP > $2 ! $1 convert to UUCP format +R$* < @ $+ > $2 ! $1 convert to UUCP format + +# +# header recipient rewriting +# +SHdrToU + +# list:; syntax should disappear +R:; <@> $@ + +R$* < @ $* . > $* $1 < @ $2 > $3 strip trailing dots +R$* < @ $=w > $1 strip local name +R<@ $- . UUCP > : $+ $1 ! $2 convert to UUCP format +R<@ $+ > : $+ $1 ! $2 convert to UUCP format +R$* < @ $- . UUCP > $2 ! $1 convert to UUCP format +R$* < @ $+ > $2 ! $1 convert to UUCP format +R$&h ! $+ ! $+ $@ $1 ! $2 $h!...!user => ...!user +R$&h ! $+ $@ $&h ! $1 $h!user => $h!user +R$+ $: $U ! $1 prepend our name +R! $+ $: $k ! $1 in case $U undefined + + +ifdef(`_MAILER_smtp_', +`# +# envelope sender rewriting for uucp-dom mailer +# +SEnvFromUD + +# handle error address as a special case +R<@> $n errors to mailer-daemon + +# pass everything to standard SMTP mailer rewriting +R$* $@ $>EnvFromSMTP $1 + +# +# envelope sender rewriting for uucp-uudom mailer +# +SEnvFromUUD + +# handle error address as a special case +R<@> $n errors to mailer-daemon + +# do standard SMTP mailer rewriting +R$* $: $>EnvFromSMTP $1 + +R$* < @ $* . > $* $1 < @ $2 > $3 strip trailing dots +R<@ $- . UUCP > : $+ $@ $1 ! $2 convert to UUCP format +R<@ $+ > : $+ $@ $1 ! $2 convert to UUCP format +R$* < @ $- . UUCP > $@ $2 ! $1 convert to UUCP format +R$* < @ $+ > $@ $2 ! $1 convert to UUCP format', +`errprint(`*** MAILER(`smtp') must appear before MAILER(`uucp') + if uucp-dom should be included.') +') + +PUSHDIVERT(4) +# resolve locally connected UUCP links +R$* < @ $=Z . UUCP. > $* $#uucp-uudom $@ $2 $: $1 < @ $2 .UUCP. > $3 +R$* < @ $=Y . UUCP. > $* $#uucp-new $@ $2 $: $1 < @ $2 .UUCP. > $3 +R$* < @ $=U . UUCP. > $* $#uucp-old $@ $2 $: $1 < @ $2 .UUCP. > $3 +POPDIVERT + +# +# There are innumerable variations on the UUCP mailer. It really +# is rather absurd. +# + +# old UUCP mailer (two names) +Muucp, P=UUCP_MAILER_PATH, F=_MODMF_(CONCAT(`DFMhuUd', UUCP_MAILER_FLAGS), `UUCP'), S=FromU, R=EnvToU/HdrToU, + M=UUCP_MAILER_MAX, _OPTINS(`UUCP_MAILER_CHARSET', `C=', `, ')T=X-UUCP/X-UUCP/X-Unix,_UUCP_QGRP + A=UUCP_MAILER_ARGS +Muucp-old, P=UUCP_MAILER_PATH, F=_MODMF_(CONCAT(`DFMhuUd', UUCP_MAILER_FLAGS), `UUCP'), S=FromU, R=EnvToU/HdrToU, + M=UUCP_MAILER_MAX, _OPTINS(`UUCP_MAILER_CHARSET', `C=', `, ')T=X-UUCP/X-UUCP/X-Unix,_UUCP_QGRP + A=UUCP_MAILER_ARGS + +# smart UUCP mailer (handles multiple addresses) (two names) +Msuucp, P=UUCP_MAILER_PATH, F=_MODMF_(CONCAT(`mDFMhuUd', UUCP_MAILER_FLAGS), `UUCP'), S=FromU, R=EnvToU/HdrToU, + M=UUCP_MAILER_MAX, _OPTINS(`UUCP_MAILER_CHARSET', `C=', `, ')T=X-UUCP/X-UUCP/X-Unix,_UUCP_QGRP + A=UUCP_MAILER_ARGS +Muucp-new, P=UUCP_MAILER_PATH, F=_MODMF_(CONCAT(`mDFMhuUd', UUCP_MAILER_FLAGS), `UUCP'), S=FromU, R=EnvToU/HdrToU, + M=UUCP_MAILER_MAX, _OPTINS(`UUCP_MAILER_CHARSET', `C=', `, ')T=X-UUCP/X-UUCP/X-Unix,_UUCP_QGRP + A=UUCP_MAILER_ARGS + +ifdef(`_MAILER_smtp_', +`# domain-ized UUCP mailer +Muucp-dom, P=UUCP_MAILER_PATH, F=_MODMF_(CONCAT(`mDFMhud', UUCP_MAILER_FLAGS), `UUCP'), S=EnvFromUD/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `EnvToSMTP/HdrFromSMTP', `EnvToSMTP'), + M=UUCP_MAILER_MAX, _OPTINS(`UUCP_MAILER_CHARSET', `C=', `, ')T=X-UUCP/X-UUCP/X-Unix,_UUCP_QGRP + A=UUCP_MAILER_ARGS + +# domain-ized UUCP mailer with UUCP-style sender envelope +Muucp-uudom, P=UUCP_MAILER_PATH, F=_MODMF_(CONCAT(`mDFMhud', UUCP_MAILER_FLAGS), `UUCP'), S=EnvFromUUD/HdrFromSMTP, R=ifdef(`_ALL_MASQUERADE_', `EnvToSMTP/HdrFromSMTP', `EnvToSMTP'), + M=UUCP_MAILER_MAX, _OPTINS(`UUCP_MAILER_CHARSET', `C=', `, ')T=X-UUCP/X-UUCP/X-Unix,_UUCP_QGRP + A=UUCP_MAILER_ARGS') + + diff --git a/contrib/sendmail-8.13.4/cf/ostype/a-ux.m4 b/contrib/sendmail-8.13.4/cf/ostype/a-ux.m4 new file mode 100644 index 0000000000..c4d4321bc3 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/a-ux.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999, 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: a-ux.m4,v 8.2 2001/07/23 16:19:36 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', /usr/bin/uux)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mn9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail -d -r $f $u')')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/aix3.m4 b/contrib/sendmail-8.13.4/cf/ostype/aix3.m4 new file mode 100644 index 0000000000..4376f6770a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/aix3.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: aix3.m4,v 8.16 1999/04/12 17:34:36 ca Exp $') +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /bin/bellmail)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', mail $u)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mn9')dnl +define(`confEBINDIR', `/usr/lib')dnl +define(`confTIME_ZONE', `USE_TZ')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/aix4.m4 b/contrib/sendmail-8.13.4/cf/ostype/aix4.m4 new file mode 100644 index 0000000000..8e0b9d44ab --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/aix4.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1996 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: aix4.m4,v 8.11 1999/04/12 17:34:37 ca Exp $') +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /bin/bellmail)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', mail -F $g $u)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mn9')dnl +define(`confEBINDIR', `/usr/lib')dnl +define(`confTIME_ZONE', `USE_TZ')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/aix5.m4 b/contrib/sendmail-8.13.4/cf/ostype/aix5.m4 new file mode 100644 index 0000000000..e8df77e30a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/aix5.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: aix5.m4,v 1.1 2000/12/08 21:53:36 ca Exp $') +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /bin/bellmail)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', mail -F $g $u)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mn9')dnl +define(`confEBINDIR', `/usr/lib')dnl +define(`confTIME_ZONE', `USE_TZ')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/altos.m4 b/contrib/sendmail-8.13.4/cf/ostype/altos.m4 new file mode 100644 index 0000000000..1cffe1e8d2 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/altos.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1996 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Contributed by Tim Rice . +# + +divert(0) +VERSIONID(`$Id: altos.m4,v 8.15 1999/04/24 05:37:40 gshapiro Exp $') + +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', /usr/bin/uux)')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/bin/lmail)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mPuhCE9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `lmail $u')')dnl +ifdef(`LOCAL_SHELL_FLAGS',, `define(`LOCAL_SHELL_FLAGS', Peu)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g $h!rmail ($u)')')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/amdahl-uts.m4 b/contrib/sendmail-8.13.4/cf/ostype/amdahl-uts.m4 new file mode 100644 index 0000000000..edd3a5db86 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/amdahl-uts.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: amdahl-uts.m4,v 8.16 1999/04/24 05:37:40 gshapiro Exp $') +divert(-1) + +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `fSn9') +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/bsd4.3.m4 b/contrib/sendmail-8.13.4/cf/ostype/bsd4.3.m4 new file mode 100644 index 0000000000..044f205ff9 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/bsd4.3.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: bsd4.3.m4,v 8.12 1999/02/07 07:26:18 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/bsd4.4.m4 b/contrib/sendmail-8.13.4/cf/ostype/bsd4.4.m4 new file mode 100644 index 0000000000..3f7b0891de --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/bsd4.4.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# + +divert(0) +VERSIONID(`$Id: bsd4.4.m4,v 8.14 1999/04/24 05:37:40 gshapiro Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/libexec/mail.local)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/bsdi.m4 b/contrib/sendmail-8.13.4/cf/ostype/bsdi.m4 new file mode 100644 index 0000000000..35679bcf1c --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/bsdi.m4 @@ -0,0 +1,17 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: bsdi.m4,v 8.1 1999/11/19 05:18:13 gshapiro Exp $') +include(_CF_DIR_`'ostype/bsd4.4.m4)dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/bsdi1.0.m4 b/contrib/sendmail-8.13.4/cf/ostype/bsdi1.0.m4 new file mode 100644 index 0000000000..b806a37a33 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/bsdi1.0.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: bsdi1.0.m4,v 8.11 1999/11/19 05:18:14 gshapiro Exp $') +errprint(`NOTE: OSTYPE(bsdi1.0) is deprecated. Use OSTYPE(bsdi) instead.') +include(_CF_DIR_`'ostype/bsdi.m4)dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/bsdi2.0.m4 b/contrib/sendmail-8.13.4/cf/ostype/bsdi2.0.m4 new file mode 100644 index 0000000000..493406fd37 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/bsdi2.0.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: bsdi2.0.m4,v 8.10 1999/11/19 05:18:14 gshapiro Exp $') +errprint(`NOTE: OSTYPE(bsdi2.0) is deprecated. Use OSTYPE(bsdi) instead.') +include(_CF_DIR_`'ostype/bsdi.m4)dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/darwin.m4 b/contrib/sendmail-8.13.4/cf/ostype/darwin.m4 new file mode 100644 index 0000000000..09d58480a3 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/darwin.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 2000, 2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: darwin.m4,v 8.3 2002/03/05 01:55:40 ca Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +dnl turn on S flag for local mailer +MODIFY_MAILER_FLAGS(`LOCAL', `+S')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/libexec/mail.local)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/dgux.m4 b/contrib/sendmail-8.13.4/cf/ostype/dgux.m4 new file mode 100644 index 0000000000..335aedac89 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/dgux.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: dgux.m4,v 8.14 1999/04/12 17:34:37 ca Exp $') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `m9')dnl +define(`confTIME_ZONE', `USE_TZ')dnl +define(`confEBINDIR', `/usr/lib')dnl +LOCAL_CONFIG +E_FORCE_MAIL_LOCAL_=yes diff --git a/contrib/sendmail-8.13.4/cf/ostype/domainos.m4 b/contrib/sendmail-8.13.4/cf/ostype/domainos.m4 new file mode 100644 index 0000000000..759459d327 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/domainos.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: domainos.m4,v 8.14 1999/04/24 05:37:40 gshapiro Exp $') +divert(-1) + +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)') +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/dragonfly.m4 b/contrib/sendmail-8.13.4/cf/ostype/dragonfly.m4 new file mode 100644 index 0000000000..c1266afe86 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/dragonfly.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 2001, 2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: dragonfly.m4,v 1.1 2004/08/06 03:54:05 gshapiro Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +dnl turn on S flag for local mailer +MODIFY_MAILER_FLAGS(`LOCAL', `+S')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/libexec/mail.local)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail $u')')dnl +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', `/usr/local/bin/uux')')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/dynix3.2.m4 b/contrib/sendmail-8.13.4/cf/ostype/dynix3.2.m4 new file mode 100644 index 0000000000..e0729531e8 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/dynix3.2.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: dynix3.2.m4,v 8.14 1999/04/24 05:37:41 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/freebsd4.m4 b/contrib/sendmail-8.13.4/cf/ostype/freebsd4.m4 new file mode 100644 index 0000000000..b84a1e2e54 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/freebsd4.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: freebsd4.m4,v 1.1 2001/03/21 22:44:58 ca Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +dnl turn on S flag for local mailer +MODIFY_MAILER_FLAGS(`LOCAL', `+S')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/libexec/mail.local)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail $u')')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/freebsd5.m4 b/contrib/sendmail-8.13.4/cf/ostype/freebsd5.m4 new file mode 100644 index 0000000000..eb7a73a0d5 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/freebsd5.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: freebsd5.m4,v 1.1 2001/10/08 22:25:34 gshapiro Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +dnl turn on S flag for local mailer +MODIFY_MAILER_FLAGS(`LOCAL', `+S')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/libexec/mail.local)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail $u')')dnl +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', `/usr/local/bin/uux')')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/gnu.m4 b/contrib/sendmail-8.13.4/cf/ostype/gnu.m4 new file mode 100644 index 0000000000..39e8171cac --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/gnu.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1997 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# + +divert(0) +VERSIONID(`$Id: gnu.m4,v 8.13 1999/04/24 05:37:41 gshapiro Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /libexec/mail.local)')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail $u')')dnl +define(`confEBINDIR', `/libexec')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/hpux10.m4 b/contrib/sendmail-8.13.4/cf/ostype/hpux10.m4 new file mode 100644 index 0000000000..290c0c682d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/hpux10.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: hpux10.m4,v 8.19 1999/04/24 05:37:41 gshapiro Exp $') + +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /var/spool/mqueue)')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/bin/rmail)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `m9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `rmail -d $u')')dnl +ifdef(`LOCAL_SHELL_PATH',, `define(`LOCAL_SHELL_PATH', /usr/bin/sh)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gC $h!rmail ($u)')')dnl +define(`confTIME_ZONE', `USE_TZ')dnl +dnl +dnl For maximum compability with HP-UX, use: +dnl define(`confME_TOO', True)dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/hpux11.m4 b/contrib/sendmail-8.13.4/cf/ostype/hpux11.m4 new file mode 100644 index 0000000000..94e2e98f1d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/hpux11.m4 @@ -0,0 +1,23 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: hpux11.m4,v 8.1 1999/11/19 05:22:59 gshapiro Exp $') + +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/bin/rmail)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `m9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `rmail -d $u')')dnl +ifdef(`LOCAL_SHELL_PATH',, `define(`LOCAL_SHELL_PATH', /usr/bin/sh)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gC $h!rmail ($u)')')dnl +define(`confTIME_ZONE', `USE_TZ')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/hpux9.m4 b/contrib/sendmail-8.13.4/cf/ostype/hpux9.m4 new file mode 100644 index 0000000000..902d39a655 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/hpux9.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: hpux9.m4,v 8.24 1999/04/24 05:37:41 gshapiro Exp $') + +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', `/bin/rmail')')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `m9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `rmail -d $u')')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gC $h!rmail ($u)')')dnl +define(`confTIME_ZONE', `USE_TZ')dnl +define(`confEBINDIR', `/usr/lib')dnl +dnl +dnl For maximum compability with HP-UX, use: +dnl define(`confME_TOO', True)dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/irix4.m4 b/contrib/sendmail-8.13.4/cf/ostype/irix4.m4 new file mode 100644 index 0000000000..f966458f9d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/irix4.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: irix4.m4,v 8.19 1999/04/24 05:37:41 gshapiro Exp $') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Ehm9')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/irix5.m4 b/contrib/sendmail-8.13.4/cf/ostype/irix5.m4 new file mode 100644 index 0000000000..dda4bf45c1 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/irix5.m4 @@ -0,0 +1,39 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1995 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Contributed by Kari E. Hurtta +# + +# +# Notes: +# - SGI's /etc/sendmail.cf defines also 'u' for local mailer flags -- you +# perhaps don't want it. +# - Perhaps is should also add define(`LOCAL_MAILER_CHARSET', iso-8859-1) +# put some Asian sites may prefer otherwise -- or perhaps not. +# - SGI's /etc/sendmail.cf seems use: A=mail -s -d $u +# It seems work without that -s however. +# - SGI's /etc/sendmail.cf set's default uid and gid to 998 (guest) +# - In SGI seems that TZ variable is needed that correct time is marked to +# syslog +# - helpfile is in /etc/sendmail.hf in SGI's /etc/sendmail.cf +# + +divert(0) +VERSIONID(`$Id: irix5.m4,v 8.16 1999/04/24 05:37:41 gshapiro Exp $') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Ehmu9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail -s -d $u')')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /var/spool/mqueue)')dnl +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/sendmail.st')')dnl +define(`confDEF_USER_ID', `998:998')dnl +define(`confTIME_ZONE', USE_TZ)dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/irix6.m4 b/contrib/sendmail-8.13.4/cf/ostype/irix6.m4 new file mode 100644 index 0000000000..839e3873ef --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/irix6.m4 @@ -0,0 +1,39 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1995 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Contributed by Kari E. Hurtta +# + +# +# Notes: +# - SGI's /etc/sendmail.cf defines also 'u' for local mailer flags -- you +# perhaps don't want it. They have begun removing this flag in IRIX 6.5. +# - Perhaps is should also add define(`LOCAL_MAILER_CHARSET', iso-8859-1) +# put some Asian sites may prefer otherwise -- or perhaps not. +# - SGI's /etc/sendmail.cf seems use: A=mail -s -d $u +# It seems work without that -s however. +# - SGI's /etc/sendmail.cf set's default uid and gid to 998 (guest) +# - In SGI seems that TZ variable is needed that correct time is marked to +# syslog +# - helpfile is in /etc/sendmail.hf in SGI's /etc/sendmail.cf +# + +divert(0) +VERSIONID(`$Id: irix6.m4,v 8.14 1999/08/05 20:35:55 gshapiro Exp $') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Ehmu9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail -s -d $u')')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /var/spool/mqueue)')dnl +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/sendmail.st')')dnl +define(`confDEF_USER_ID', `998:998')dnl +define(`confTIME_ZONE', USE_TZ)dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/isc4.1.m4 b/contrib/sendmail-8.13.4/cf/ostype/isc4.1.m4 new file mode 100644 index 0000000000..a124643a5e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/isc4.1.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# + +divert(0) +VERSIONID(`$Id: isc4.1.m4,v 8.16 1999/04/24 05:37:42 gshapiro Exp $') +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `lmail -s $u')')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `humS9')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /bin/lmail)')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -gC $h!rmail ($u)')')dnl +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', /usr/bin/uux)')dnl +define(`confTIME_ZONE', `USE_TZ')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/linux.m4 b/contrib/sendmail-8.13.4/cf/ostype/linux.m4 new file mode 100644 index 0000000000..b02ad29ee8 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/linux.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: linux.m4,v 8.13 2000/09/17 17:30:00 gshapiro Exp $') +define(`confEBINDIR', `/usr/sbin') +ifdef(`PROCMAIL_MAILER_PATH',, + define(`PROCMAIL_MAILER_PATH', `/usr/bin/procmail')) +FEATURE(local_procmail) diff --git a/contrib/sendmail-8.13.4/cf/ostype/maxion.m4 b/contrib/sendmail-8.13.4/cf/ostype/maxion.m4 new file mode 100644 index 0000000000..6f9a48ecbc --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/maxion.m4 @@ -0,0 +1,28 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1996 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Concurrent Computer Corporation Maxion system support contributed +# by Donald R. Laster Jr. . +# + +divert(0) +VERSIONID(`$Id: maxion.m4,v 8.17 1999/10/21 00:31:39 gshapiro Exp $') + +define(`QUEUE_DIR', `/var/spool/mqueue')dnl +define(`STATUS_FILE', `/var/adm/log/sendmail.st')dnl +define(`LOCAL_MAILER_PATH', `/usr/bin/mail')dnl +define(`LOCAL_SHELL_FLAGS', `ehuP')dnl +define(`LOCAL_MAILER_ARGS', `mail $u')dnl +define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gmedium $h!rmail ($u)')dnl +define(`confEBINDIR', `/usr/ucblib')dnl +divert(-1) diff --git a/contrib/sendmail-8.13.4/cf/ostype/mklinux.m4 b/contrib/sendmail-8.13.4/cf/ostype/mklinux.m4 new file mode 100644 index 0000000000..90b7d2da30 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/mklinux.m4 @@ -0,0 +1,24 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# MkLinux support contributed by Paul DuBois +# + +divert(0) +VERSIONID(`$Id: mklinux.m4,v 8.15 2000/05/09 18:48:56 gshapiro Exp $') +define(`confEBINDIR', `/usr/sbin') +ifdef(`STATUS_FILE',, + `define(`STATUS_FILE', `/var/log/sendmail.st')') +ifdef(`PROCMAIL_MAILER_PATH',, + `define(`PROCMAIL_MAILER_PATH', `/usr/bin/procmail')') +FEATURE(local_procmail) diff --git a/contrib/sendmail-8.13.4/cf/ostype/mpeix.m4 b/contrib/sendmail-8.13.4/cf/ostype/mpeix.m4 new file mode 100644 index 0000000000..9e760e94e5 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/mpeix.m4 @@ -0,0 +1,22 @@ +divert(-1) +# +# Copyright (c) 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: mpeix.m4,v 1.1 2001/12/13 23:56:40 gshapiro Exp $') + +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', `/bin/tsmail')')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mu9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `tsmail $u')')dnl +ifdef(`LOCAL_SHELL_PATH',, `define(`LOCAL_SHELL_PATH', `/bin/sh')')dnl +ifdef(`confDEF_USER_ID',, `define(`confDEF_USER_ID', `SERVER.SENDMAIL')')dnl +ifdef(`confTRUSTED_USER',, `define(`confTRUSTED_USER', `SERVER.SENDMAIL')')dnl +define(`confTIME_ZONE', `USE_TZ')dnl +define(`confDONT_BLAME_SENDMAIL', `ForwardFileInGroupWritableDirPath')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/nextstep.m4 b/contrib/sendmail-8.13.4/cf/ostype/nextstep.m4 new file mode 100644 index 0000000000..0c52893123 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/nextstep.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: nextstep.m4,v 8.21 1999/10/21 00:31:40 gshapiro Exp $') +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', /usr/bin/uux)')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`LOCAL_SHELL_FLAGS',, `define(`LOCAL_SHELL_FLAGS', `euP')')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/openbsd.m4 b/contrib/sendmail-8.13.4/cf/ostype/openbsd.m4 new file mode 100644 index 0000000000..aaeb615e50 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/openbsd.m4 @@ -0,0 +1,17 @@ +divert(-1) +# +# Copyright (c) 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: openbsd.m4,v 8.3 1999/04/24 05:37:42 gshapiro Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/libexec/mail.local)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `rmn9S')dnl +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -z -a$g $h!rmail ($u)')')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/osf1.m4 b/contrib/sendmail-8.13.4/cf/ostype/osf1.m4 new file mode 100644 index 0000000000..dd13963a29 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/osf1.m4 @@ -0,0 +1,19 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: osf1.m4,v 8.16 1999/10/11 18:45:43 gshapiro Exp $') +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/usr/adm/sendmail/sendmail.st')')dnl +define(`confDEF_USER_ID', `daemon') +define(`confEBINDIR', `/usr/lbin')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/powerux.m4 b/contrib/sendmail-8.13.4/cf/ostype/powerux.m4 new file mode 100644 index 0000000000..4646fe3ee2 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/powerux.m4 @@ -0,0 +1,23 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: powerux.m4,v 8.13 1999/04/24 05:37:43 gshapiro Exp $') + +define(`LOCAL_MAILER_PATH', `/usr/bin/rmail')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `mn9')dnl +define(`LOCAL_MAILER_ARGS', `rmail $u')dnl +define(`LOCAL_SHELL_FLAGS', `ehuP')dnl +define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gmedium $h!rmail ($u)')dnl +define(`confEBINDIR', `/usr/local/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/ptx2.m4 b/contrib/sendmail-8.13.4/cf/ostype/ptx2.m4 new file mode 100644 index 0000000000..84e83963f9 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/ptx2.m4 @@ -0,0 +1,23 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1994 Eric P. Allman. All rights reserved. +# Copyright (c) 1994 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +# Support for DYNIX/ptx 2.x. + +divert(0) +VERSIONID(`$Id: ptx2.m4,v 8.17 1999/04/24 05:37:43 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +define(`LOCAL_MAILER_PATH', `/bin/mail')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `fmn9')dnl +define(`LOCAL_SHELL_FLAGS', `eu')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/qnx.m4 b/contrib/sendmail-8.13.4/cf/ostype/qnx.m4 new file mode 100644 index 0000000000..5fb3b08e14 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/qnx.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1997 Eric P. Allman. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Contributed by Glen McCready +# + +divert(0) +VERSIONID(`$Id: qnx.m4,v 8.13 1999/04/24 05:37:43 gshapiro Exp $') +define(`QUEUE_DIR', /usr/spool/mqueue)dnl +define(`LOCAL_MAILER_ARGS', `mail $u')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Sh')dnl +define(`LOCAL_MAILER_PATH', /usr/bin/mailx)dnl +define(`UUCP_MAILER_ARGS', `uux - -r -z -a$f $h!rmail ($u)')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/riscos4.5.m4 b/contrib/sendmail-8.13.4/cf/ostype/riscos4.5.m4 new file mode 100644 index 0000000000..f8069383aa --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/riscos4.5.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: riscos4.5.m4,v 8.15 1999/04/24 05:37:43 gshapiro Exp $') + +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `rmail -d $u')')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', `/usr/spool/mqueue')')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/sco-uw-2.1.m4 b/contrib/sendmail-8.13.4/cf/ostype/sco-uw-2.1.m4 new file mode 100644 index 0000000000..8fe1b84a79 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/sco-uw-2.1.m4 @@ -0,0 +1,24 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# SCO UnixWare 2.1.2 ostype file +# +# Contributed by Christopher Durham of SCO. +# +divert(0) +VERSIONID(`$Id: sco-uw-2.1.m4,v 8.13 1999/04/24 05:37:43 gshapiro Exp $') + +define(`LOCAL_MAILER_PATH', `/usr/bin/rmail')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `fhCEn9')dnl +define(`LOCAL_SHELL_FLAGS', `ehuP')dnl +define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gmedium $h!rmail ($u)')dnl +define(`LOCAL_MAILER_ARGS',`rmail $u')dnl +define(`confEBINDIR', `/usr/lib')dnl +define(`confTIME_ZONE', `USE_TZ')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/sco3.2.m4 b/contrib/sendmail-8.13.4/cf/ostype/sco3.2.m4 new file mode 100644 index 0000000000..89ac637653 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/sco3.2.m4 @@ -0,0 +1,23 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: sco3.2.m4,v 8.16 1999/04/24 05:37:43 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /usr/spool/mqueue)')dnl +ifdef(`UUCP_MAILER_PATH',, `define(`UUCP_MAILER_PATH', /usr/bin/uux)')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /usr/bin/lmail)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `PuhCE9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `lmail $u')')dnl +ifdef(`LOCAL_SHELL_FLAGS',, `define(`LOCAL_SHELL_FLAGS', Peu)')dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/sinix.m4 b/contrib/sendmail-8.13.4/cf/ostype/sinix.m4 new file mode 100644 index 0000000000..bcd6b31826 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/sinix.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1996 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: sinix.m4,v 8.13 1999/04/24 05:37:43 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /var/spool/mqueue)')dnl +define(`LOCAL_MAILER_PATH', `/bin/mail.local')dnl +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/sendmail.st')')dnl +define(`confEBINDIR', `/usr/ucblib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/solaris2.m4 b/contrib/sendmail-8.13.4/cf/ostype/solaris2.m4 new file mode 100644 index 0000000000..6cf14846d9 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/solaris2.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# This ostype file is suitable for use on Solaris 2.x systems that +# have mail.local installed. It is my understanding that this is +# standard as of Solaris 2.5. +# + +divert(0) +VERSIONID(`$Id: solaris2.m4,v 8.22 1999/09/24 21:43:53 ca Exp $') +divert(-1) + +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', `/usr/lib/mail.local')') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `fSmn9') +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail.local -d $u')') +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g $h!rmail ($u)')') +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/solaris2.ml.m4 b/contrib/sendmail-8.13.4/cf/ostype/solaris2.ml.m4 new file mode 100644 index 0000000000..72cb72923e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/solaris2.ml.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# This ostype file is suitable for use on Solaris 2.x systems that +# have mail.local installed. It is my understanding that this is +# standard as of Solaris 2.5. +# + +divert(0) +VERSIONID(`$Id: solaris2.ml.m4,v 8.14 1999/04/24 05:37:44 gshapiro Exp $') +divert(-1) + +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', `/usr/lib/mail.local')') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `fSmn9') +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail.local -d $u')') +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g $h!rmail ($u)')') +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/solaris2.pre5.m4 b/contrib/sendmail-8.13.4/cf/ostype/solaris2.pre5.m4 new file mode 100644 index 0000000000..c30dda60df --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/solaris2.pre5.m4 @@ -0,0 +1,26 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# This ostype file is suitable for use on Solaris 2.x systems that +# use mail as local mailer which are usually version before 2.5. +# + + +divert(0) +VERSIONID(`$Id: solaris2.pre5.m4,v 8.1 1999/09/25 08:17:44 ca Exp $') +divert(-1) + +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `SnE9') +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail -f $g -d $u')') +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g $h!rmail ($u)')') +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/solaris8.m4 b/contrib/sendmail-8.13.4/cf/ostype/solaris8.m4 new file mode 100644 index 0000000000..10b9d37bd6 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/solaris8.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# This ostype file is suitable for use on Solaris 8 and later systems, +# taking advantage of mail.local's LMTP support, the existence of +# /var/run and support for IPv6, all of which where introduced in +# Solaris 8. +# + +divert(0) +VERSIONID(`$Id: solaris8.m4,v 8.2 2000/08/23 16:10:49 gshapiro Exp $') +divert(-1) + +ifdef(`UUCP_MAILER_ARGS',, `define(`UUCP_MAILER_ARGS', `uux - -r -a$g $h!rmail ($u)')') +define(`confEBINDIR', `/usr/lib')dnl +define(`confPID_FILE', `/var/run/sendmail.pid')dnl +define(`_NETINET6_')dnl +FEATURE(`local_lmtp')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/sunos3.5.m4 b/contrib/sendmail-8.13.4/cf/ostype/sunos3.5.m4 new file mode 100644 index 0000000000..d1d776ec34 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/sunos3.5.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: sunos3.5.m4,v 8.10 1999/02/07 07:26:23 gshapiro Exp $') + +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/sunos4.1.m4 b/contrib/sendmail-8.13.4/cf/ostype/sunos4.1.m4 new file mode 100644 index 0000000000..1e821ffe2c --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/sunos4.1.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: sunos4.1.m4,v 8.10 1999/02/07 07:26:24 gshapiro Exp $') + +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/svr4.m4 b/contrib/sendmail-8.13.4/cf/ostype/svr4.m4 new file mode 100644 index 0000000000..3f7706b477 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/svr4.m4 @@ -0,0 +1,21 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: svr4.m4,v 8.17 1999/10/21 00:31:41 gshapiro Exp $') + +define(`LOCAL_MAILER_PATH', `/usr/ucblib/binmail')dnl +define(`LOCAL_SHELL_FLAGS', `ehuP')dnl +define(`UUCP_MAILER_ARGS', `uux - -r -a$g -gmedium $h!rmail ($u)')dnl +define(`confEBINDIR', `/usr/ucblib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/ultrix4.m4 b/contrib/sendmail-8.13.4/cf/ostype/ultrix4.m4 new file mode 100644 index 0000000000..128c61af3a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/ultrix4.m4 @@ -0,0 +1,18 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: ultrix4.m4,v 8.11 1999/02/07 07:26:24 gshapiro Exp $') + +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/unicos.m4 b/contrib/sendmail-8.13.4/cf/ostype/unicos.m4 new file mode 100644 index 0000000000..d73f3faaec --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/unicos.m4 @@ -0,0 +1,22 @@ +divert(-1) +# +# Copyright (c) 2003 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# + +divert(0) +VERSIONID(`$Id: unicos.m4,v 1.1 2003/04/21 17:03:51 ca Exp $') +define(`ALIAS_FILE', `/usr/lib/aliases') +define(`HELP_FILE', `/usr/lib/sendmail.hf') +define(`QUEUE_DIR', `/usr/spool/mqueue') +define(`STATUS_FILE', `/usr/lib/sendmail.st') +MODIFY_MAILER_FLAGS(`LOCAL', `+aSPpmnxXu') +MODIFY_MAILER_FLAGS(`SMTP', `+anpeLC') +define(`LOCAL_SHELL_FLAGS', `pxehu') +define(`confPID_FILE', `/etc/sendmail.pid')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/unicosmk.m4 b/contrib/sendmail-8.13.4/cf/ostype/unicosmk.m4 new file mode 100644 index 0000000000..e9cec04fe6 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/unicosmk.m4 @@ -0,0 +1,22 @@ +divert(-1) +# +# Copyright (c) 2003 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# + +divert(0) +VERSIONID(`$Id: unicosmk.m4,v 1.1 2003/04/21 17:03:51 ca Exp $') +define(`ALIAS_FILE', `/usr/lib/aliases') +define(`HELP_FILE', `/usr/lib/sendmail.hf') +define(`QUEUE_DIR', `/usr/spool/mqueue') +define(`STATUS_FILE', `/usr/lib/sendmail.st') +MODIFY_MAILER_FLAGS(`LOCAL' , `+aSPpmnxXu') +MODIFY_MAILER_FLAGS(`SMTP', `+anpeLC') +define(`LOCAL_SHELL_FLAGS', `lsDFMpxehuo') +define(`confPID_FILE', `/etc/sendmail.pid')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/unicosmp.m4 b/contrib/sendmail-8.13.4/cf/ostype/unicosmp.m4 new file mode 100644 index 0000000000..79543d2ffb --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/unicosmp.m4 @@ -0,0 +1,27 @@ +divert(-1) +# +# Copyright (c) 2003 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# + +# +# Notes: +# - In UNICOSMP seems that TZ variable is needed that correct time is marked +# to syslog +# + +divert(0) +VERSIONID(`$Id: unicosmp.m4,v 1.1 2003/04/21 17:03:51 ca Exp $') +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Ehm9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `mail -s -d $u')')dnl +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /var/spool/mqueue)')dnl +ifdef(`STATUS_FILE',, `define(`STATUS_FILE', `/var/log/sendmail.st')')dnl +define(`LOCAL_MAILER_PATH', `/usr/bin/mail')dnl +define(`confTIME_ZONE', USE_TZ)dnl +define(`confEBINDIR', `/usr/lib')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/unixware7.m4 b/contrib/sendmail-8.13.4/cf/ostype/unixware7.m4 new file mode 100644 index 0000000000..d42f8aba9a --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/unixware7.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: unixware7.m4,v 8.8 2000/02/26 01:32:04 gshapiro Exp $') +ifdef(`QUEUE_DIR',, `define(`QUEUE_DIR', /var/spool/mqueue)')dnl +define(`confEBINDIR', `/usr/lib')dnl +define(`confTIME_ZONE', `USE_TZ')dnl +ifdef(`LOCAL_MAILER_PATH',, `define(`LOCAL_MAILER_PATH', /etc/mail/slocal)')dnl +_DEFIFNOT(`LOCAL_MAILER_FLAGS', `Puho9')dnl +ifdef(`LOCAL_MAILER_ARGS',, `define(`LOCAL_MAILER_ARGS', `slocal -user $u')')dnl +ifdef(`LOCAL_SHELL_FLAGS',, `define(`LOCAL_SHELL_FLAGS', Peu)')dnl diff --git a/contrib/sendmail-8.13.4/cf/ostype/unknown.m4 b/contrib/sendmail-8.13.4/cf/ostype/unknown.m4 new file mode 100644 index 0000000000..2d5734ca8e --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/unknown.m4 @@ -0,0 +1,20 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +divert(0) +VERSIONID(`$Id: unknown.m4,v 8.9 1999/02/07 07:26:24 gshapiro Exp $') +errprint(`*** ERROR: You have not specified a valid operating system type.') +errprint(` Use the OSTYPE macro to select a valid system type. This') +errprint(` is necessary in order to get the proper pathnames and flags') +errprint(` appropriate for your environment.') diff --git a/contrib/sendmail-8.13.4/cf/ostype/uxpds.m4 b/contrib/sendmail-8.13.4/cf/ostype/uxpds.m4 new file mode 100644 index 0000000000..1ba0346d39 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/ostype/uxpds.m4 @@ -0,0 +1,25 @@ +divert(-1) +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# Definitions for UXP/DS (Fujitsu/ICL DS/90 series) +# Diego R. Lopez, CICA (Seville). 1995 +# + +divert(0) +VERSIONID(`$Id: uxpds.m4,v 8.16 1999/10/21 00:31:42 gshapiro Exp $') + +define(`confDEF_GROUP_ID', `6') +define(`LOCAL_MAILER_PATH', `/usr/ucblib/binmail')dnl +define(`LOCAL_SHELL_FLAGS', `ehuP')dnl +define(`UUCP_MAILER_ARGS', `uux - -r -a$f -gmedium $h!rmail ($u)')dnl +define(`confEBINDIR', `/usr/ucblib')dnl diff --git a/contrib/sendmail-8.13.4/cf/sendmail.schema b/contrib/sendmail-8.13.4/cf/sendmail.schema new file mode 100644 index 0000000000..a532f8b33f --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/sendmail.schema @@ -0,0 +1,269 @@ +# Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# $Id: sendmail.schema,v 8.21 2002/11/20 23:13:50 gshapiro Exp $ + +# Note that this schema is experimental at this point as it has had little +# public review. Therefore, it may change in future versions. Feedback +# via sendmail@sendmail.org is encouraged. + +# OID arcs for Sendmail +# enterprise: 1.3.6.1.4.1 +# sendmail: enterprise.6152 +# sendmail-at: sendmail.3.1 +# sendmail-oc: sendmail.3.2 + +########################################################################### +# +# The Sendmail MTA attributes and objectclass +# +########################################################################### + +# attribute sendmailMTACluster cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.10 + NAME 'sendmailMTACluster' + DESC 'cluster name associated with a set of MTAs' + EQUALITY caseIgnoreIA5Match + SUBSTR caseIgnoreIA5SubstringsMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{256} ) + +# attribute sendmailMTAHost cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.11 + NAME 'sendmailMTAHost' + DESC 'host name associated with a MTA cluster' + EQUALITY caseIgnoreIA5Match + SUBSTR caseIgnoreIA5SubstringsMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{256} ) + +#objectClass sendmailMTA +# requires +# objectClass +# allows +# sendmailMTACluster, +# sendmailMTAHost, +# Description + +objectclass ( 1.3.6.1.4.1.6152.10.3.2.10 + NAME 'sendmailMTA' + SUP top STRUCTURAL + DESC 'Sendmail MTA definition' + MAY ( sendmailMTACluster $ sendmailMTAHost $ Description ) ) + +########################################################################### +# +# The Sendmail MTA shared attributes +# +########################################################################### + +# attribute sendmailMTAKey cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.13 + NAME 'sendmailMTAKey' + DESC 'key (left hand side) of an aliases or map entry' + EQUALITY caseIgnoreMatch + SUBSTR caseIgnoreSubstringsMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{256} ) + +########################################################################### +# +# The Sendmail MTA Map attributes and objectclasses +# +########################################################################### + +# attribute sendmailMTAMapName cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.14 + NAME 'sendmailMTAMapName' + DESC 'identifier for the particular map' + EQUALITY caseIgnoreMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{128} SINGLE-VALUE ) + +# attribute sendmailMTAMapValue cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.16 + NAME 'sendmailMTAMapValue' + DESC 'value (right hand side) of a map entry' + EQUALITY caseIgnoreMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +# attribute sendmailMTAMapSearch cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.24 + NAME 'sendmailMTAMapSearch' + DESC 'recursive search for values of a map entry' + EQUALITY caseExactMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +# attribute sendmailMTAMapURL cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.25 + NAME 'sendmailMTAMapURL' + DESC 'recursive search URL for values of a map entry' + EQUALITY caseExactMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +#objectClass sendmailMTAMap +# requires +# objectClass, +# sendmailMTAMapName, +# allows +# sendmailMTACluster, +# sendmailMTAHost, +# Description + +objectclass ( 1.3.6.1.4.1.6152.10.3.2.11 + NAME 'sendmailMTAMap' + SUP sendmailMTA STRUCTURAL + DESC 'Sendmail MTA map definition' + MUST sendmailMTAMapName + MAY ( sendmailMTACluster $ sendmailMTAHost $ Description ) ) + +#objectClass sendmailMTAObject +# requires +# objectClass, +# sendmailMTAMapName, +# sendmailMTAKey, +# allows +# sendmailMTACluster, +# sendmailMTAHost, +# sendmailMTAMapValue, +# sendmailMTAMapSearch, +# sendmailMTAMapURL, +# Description + +objectclass ( 1.3.6.1.4.1.6152.10.3.2.12 + NAME 'sendmailMTAMapObject' + SUP sendmailMTAMap STRUCTURAL + DESC 'Sendmail MTA map object' + MUST ( sendmailMTAMapName $ sendmailMTAKey ) + MAY ( sendmailMTACluster $ sendmailMTAHost $ + sendmailMTAMapValue $ sendmailMTAMapSearch $ + sendmailMTAMapURL $ Description ) ) + + +########################################################################### +# +# The Sendmail MTA Alias attributes and objectclasses +# +########################################################################### + +# attribute sendmailMTAAliasGrouping cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.18 + NAME 'sendmailMTAAliasGrouping' + DESC 'name that identifies a particular aliases grouping' + EQUALITY caseIgnoreIA5Match + SUBSTR caseIgnoreIA5SubstringsMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{256} ) + +# attribute sendmailMTAAliasValue cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.20 + NAME 'sendmailMTAAliasValue' + DESC 'value (right hand side) of an alias' + EQUALITY caseIgnoreMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 ) + +# attribute sendmailMTAAliasSearch cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.26 + NAME 'sendmailMTAAliasSearch' + DESC 'recursive search for values of an alias' + EQUALITY caseExactMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +# attribute sendmailMTAAliasURL cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.27 + NAME 'sendmailMTAAliasURL' + DESC 'recursive search URL for values of an alias' + EQUALITY caseExactMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +#objectClass sendmailMTAAlias +# requires +# objectClass, +# allows +# sendmailMTAAliasGrouping, +# sendmailMTACluster, +# sendmailMTAHost, +# Description + +objectclass ( 1.3.6.1.4.1.6152.10.3.2.13 + NAME 'sendmailMTAAlias' + SUP sendmailMTA STRUCTURAL + DESC 'Sendmail MTA alias definition' + MAY ( sendmailMTAAliasGrouping $ + sendmailMTACluster $ sendmailMTAHost $ Description ) ) + +#objectClass sendmailMTAAliasObject +# requires +# objectClass, +# sendmailMTAKey, +# allows +# sendmailMTAAliasGrouping, +# sendmailMTACluster, +# sendmailMTAHost, +# sendmailMTAAliasValue, +# sendmailMTAAliasSearch, +# sendmailMTAAliasURL, +# Description + +objectclass ( 1.3.6.1.4.1.6152.10.3.2.14 + NAME 'sendmailMTAAliasObject' + SUP sendmailMTAAlias STRUCTURAL + DESC 'Sendmail MTA alias object' + MUST sendmailMTAKey + MAY ( sendmailMTAAliasGrouping $ sendmailMTACluster $ + sendmailMTAHost $ sendmailMTAAliasValue $ + sendmailMTAAliasSearch $ sendmailMTAAliasURL $ Description ) ) + +########################################################################### +# +# The Sendmail MTA Class attributes and objectclass +# +########################################################################### + +# attribute sendmailMTAClassName cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.22 + NAME 'sendmailMTAClassName' + DESC 'identifier for the class' + EQUALITY caseIgnoreMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{128} SINGLE-VALUE ) + +# attribute sendmailMTAClassValue cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.23 + NAME 'sendmailMTAClassValue' + DESC 'member of a class' + EQUALITY caseIgnoreMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 ) + +# attribute sendmailMTAClassSearch cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.28 + NAME 'sendmailMTAClassSearch' + DESC 'recursive search for members of a class' + EQUALITY caseExactMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +# attribute sendmailMTAClassURL cis +attributetype ( 1.3.6.1.4.1.6152.10.3.1.29 + NAME 'sendmailMTAClassURL' + DESC 'recursive search URL for members of a class' + EQUALITY caseExactMatch + SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE ) + +#objectClass sendmailMTAClass +# requires +# objectClass, +# sendmailMTAClassName, +# allows +# sendmailMTACluster, +# sendmailMTAHost, +# sendmailMTAClassValue, +# sendmailMTAClassSearch, +# sendmailMTAClassURL, +# Description + +objectclass ( 1.3.6.1.4.1.6152.10.3.2.15 + NAME 'sendmailMTAClass' + SUP sendmailMTA STRUCTURAL + DESC 'Sendmail MTA class definition' + MUST sendmailMTAClassName + MAY ( sendmailMTACluster $ sendmailMTAHost $ + sendmailMTAClassValue $ sendmailMTAClassSearch $ + sendmailMTAClassURL $ Description ) ) diff --git a/contrib/sendmail-8.13.4/cf/sh/makeinfo.sh b/contrib/sendmail-8.13.4/cf/sh/makeinfo.sh new file mode 100644 index 0000000000..d38fd52ab8 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/sh/makeinfo.sh @@ -0,0 +1,58 @@ +#!/bin/sh +# +# Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983 Eric P. Allman. All rights reserved. +# Copyright (c) 1988, 1993 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# $Id: makeinfo.sh,v 8.14 1999/02/07 07:26:25 gshapiro Exp $ +# + +usewhoami=0 +usehostname=0 +for p in `echo $PATH | sed 's/:/ /g'` +do + if [ "x$p" = "x" ] + then + p="." + fi + if [ -f $p/whoami ] + then + usewhoami=1 + if [ $usehostname -ne 0 ] + then + break; + fi + fi + if [ -f $p/hostname ] + then + usehostname=1 + if [ $usewhoami -ne 0 ] + then + break; + fi + fi +done +if [ $usewhoami -ne 0 ] +then + user=`whoami` +else + user=$LOGNAME +fi + +if [ $usehostname -ne 0 ] +then + host=`hostname` +else + host=`uname -n` +fi +echo '#####' built by $user@$host on `date` +echo '#####' in `pwd` | sed 's/\/tmp_mnt//' +echo '#####' using $1 as configuration include directory | sed 's/\/tmp_mnt//' +echo "define(\`__HOST__', $host)dnl" diff --git a/contrib/sendmail-8.13.4/cf/siteconfig/uucp.cogsci.m4 b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.cogsci.m4 new file mode 100644 index 0000000000..33c7151178 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.cogsci.m4 @@ -0,0 +1,6 @@ +SITE(contessa) +SITE(emind) +SITE(hoptoad) +SITE(nkainc) +SITE(well) +SITE(ferdy) diff --git a/contrib/sendmail-8.13.4/cf/siteconfig/uucp.old.arpa.m4 b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.old.arpa.m4 new file mode 100644 index 0000000000..81d5e9443d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.old.arpa.m4 @@ -0,0 +1,4 @@ +SITE(endotsew) +SITE(fateman) +SITE(interlan) +SITE(metron) diff --git a/contrib/sendmail-8.13.4/cf/siteconfig/uucp.ucbarpa.m4 b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.ucbarpa.m4 new file mode 100644 index 0000000000..8b13789179 --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.ucbarpa.m4 @@ -0,0 +1 @@ + diff --git a/contrib/sendmail-8.13.4/cf/siteconfig/uucp.ucbvax.m4 b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.ucbvax.m4 new file mode 100644 index 0000000000..ee2c34f60d --- /dev/null +++ b/contrib/sendmail-8.13.4/cf/siteconfig/uucp.ucbvax.m4 @@ -0,0 +1,73 @@ +SITE(Padova) +SITE(Shasta) +SITE(alice) +SITE(allegra) +SITE(amdcad) +SITE(att) +SITE(attunix) +SITE(avsd) +SITE(bellcore bellcor) +SITE(calma) +SITE(cithep) +SITE(cnmat) +SITE(craig) +SITE(craylab) +SITE(decusj) +SITE(decvax, S) +SITE(decwrl) +SITE(dssovax) +SITE(eagle) +SITE(ecovax) +SITE(floyd) +SITE(franz) +SITE(geoff) +SITE(harpo) +SITE(ho3e2) +SITE(hpda) +SITE(hplabs) +SITE(ibmsupt ibmuupa ibmpa) +SITE(iiasa70) +SITE(imagen) +SITE(isunix menlo70) +SITE(kentmth) +SITE(lbl-csam lbl-csa) +SITE(lime) +SITE(mothra) +SITE(mseonyx) +SITE(mtxinu) +SITE(pixar) +SITE(pur-ee) +SITE(purdue) +SITE(pwbd) +SITE(sdcarl) +SITE(sftig) +SITE(sgi olympus) +SITE(sii) +SITE(srivisi) +SITE(ssyx) +SITE(sun) +SITE(trwrb) +SITE(twg) +SITE(ucivax) +SITE(ucla-se) +SITE(ucla-cs) +SITE(ucsbcsl ucsbhub) +SITE(ucscc) +SITE(ucsd) +SITE(ucsfcgl) +SITE(ucsfmis) +SITE(ulysses) +SITE(unisoft) +SITE(unmvax) +SITE(usenix) +SITE(uw) +SITE(uwvax) +SITE(vax135) +SITE(voder) +SITE(wheps) +SITE(whuxle) +SITE(whuxlj) +SITE(xicomp) +SITE(xprin) +SITE(zehntel) +SITE(zilog) diff --git a/contrib/sendmail-8.13.4/contrib/README b/contrib/sendmail-8.13.4/contrib/README new file mode 100644 index 0000000000..1098f48ea5 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/README @@ -0,0 +1,10 @@ +Everything in this directory (except this file) has been contributed. +We will not fix bugs in these programs. Contact the original author +for assistance. + +Some of these are patches to sendmail itself. You may need to take +care -- some of the patches may be out of date with the latest release +of sendmail. Also, the previous comment applies -- patches belong to +the original author, not to us. + +$Revision: 8.2 $, Last updated $Date: 1999/09/24 05:46:47 $ diff --git a/contrib/sendmail-8.13.4/contrib/bitdomain.c b/contrib/sendmail-8.13.4/contrib/bitdomain.c new file mode 100644 index 0000000000..0b7073d392 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/bitdomain.c @@ -0,0 +1,409 @@ +/* + * By John G. Myers, jgm+@cmu.edu + * Version 1.2 + * + * Process a BITNET "internet.listing" file, producing output + * suitable for input to makemap. + * + * The input file can be obtained via anonymous FTP to bitnic.educom.edu. + * Change directory to "netinfo" and get the file internet.listing + * The file is updated monthly. + * + * Feed the output of this program to "makemap hash /etc/mail/bitdomain.db" + * to create the table used by the "FEATURE(bitdomain)" config file macro. + * If your sendmail does not have the db library compiled in, you can instead + * use "makemap dbm /etc/mail/bitdomain" and + * "FEATURE(bitdomain,`dbm -o /etc/mail/bitdomain')" + * + * The bitdomain table should be rebuilt monthly. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* don't use sizeof because sizeof(long) is different on 64-bit machines */ +#define SHORTSIZE 2 /* size of a short (really, must be 2) */ +#define LONGSIZE 4 /* size of a long (really, must be 4) */ + +typedef union +{ + HEADER qb1; + char qb2[PACKETSZ]; +} querybuf; + +extern int h_errno; +extern char *malloc(); +extern char *optarg; +extern int optind; + +char *lookup(); + +main(argc, argv) +int argc; +char **argv; +{ + int opt; + + while ((opt = getopt(argc, argv, "o:")) != -1) { + switch (opt) { + case 'o': + if (!freopen(optarg, "w", stdout)) { + perror(optarg); + exit(1); + } + break; + + default: + fprintf(stderr, "usage: %s [-o outfile] [internet.listing]\n", + argv[0]); + exit(1); + } + } + + if (optind < argc) { + if (!freopen(argv[optind], "r", stdin)) { + perror(argv[optind]); + exit(1); + } + } + readfile(stdin); + finish(); + exit(0); +} + +/* + * Parse and process an input file + */ +readfile(infile) +FILE *infile; +{ + int skippingheader = 1; + char buf[1024], *node, *hostname, *p; + + while (fgets(buf, sizeof(buf), infile)) { + for (p = buf; *p && isspace(*p); p++); + if (!*p) { + skippingheader = 0; + continue; + } + if (skippingheader) continue; + + node = p; + for (; *p && !isspace(*p); p++) { + if (isupper(*p)) *p = tolower(*p); + } + if (!*p) { + fprintf(stderr, "%-8s: no domain name in input file\n", node); + continue; + } + *p++ = '\0'; + + for (; *p && isspace(*p); p++) ; + if (!*p) { + fprintf(stderr, "%-8s no domain name in input file\n", node); + continue; + } + + hostname = p; + for (; *p && !isspace(*p); p++) { + if (isupper(*p)) *p = tolower(*p); + } + *p = '\0'; + + /* Chop off any trailing .bitnet */ + if (strlen(hostname) > 7 && + !strcmp(hostname+strlen(hostname)-7, ".bitnet")) { + hostname[strlen(hostname)-7] = '\0'; + } + entry(node, hostname, sizeof(buf)-(hostname - buf)); + } +} + +/* + * Process a single entry in the input file. + * The entry tells us that "node" expands to "domain". + * "domain" can either be a domain name or a bitnet node name + * The buffer pointed to by "domain" may be overwritten--it + * is of size "domainlen". + */ +entry(node, domain, domainlen) +char *node; +char *domain; +char *domainlen; +{ + char *otherdomain, *p, *err; + + /* See if we have any remembered information about this node */ + otherdomain = lookup(node); + + if (otherdomain && strchr(otherdomain, '.')) { + /* We already have a domain for this node */ + if (!strchr(domain, '.')) { + /* + * This entry is an Eric Thomas FOO.BITNET kludge. + * He doesn't want LISTSERV to do transitive closures, so we + * do them instead. Give the the domain expansion for "node" + * (which is in "otherdomian") to FOO (which is in "domain") + * if "domain" doesn't have a domain expansion already. + */ + p = lookup(domain); + if (!p || !strchr(p, '.')) remember(domain, otherdomain); + } + } + else { + if (!strchr(domain, '.') || valhost(domain, domainlen)) { + remember(node, domain); + if (otherdomain) { + /* + * We previously mapped the node "node" to the node + * "otherdomain". If "otherdomain" doesn't already + * have a domain expansion, give it the expansion "domain". + */ + p = lookup(otherdomain); + if (!p || !strchr(p, '.')) remember(otherdomain, domain); + } + } + else { + switch (h_errno) { + case HOST_NOT_FOUND: + err = "not registered in DNS"; + break; + + case TRY_AGAIN: + err = "temporary DNS lookup failure"; + break; + + case NO_RECOVERY: + err = "non-recoverable nameserver error"; + break; + + case NO_DATA: + err = "registered in DNS, but not mailable"; + break; + + default: + err = "unknown nameserver error"; + break; + } + + fprintf(stderr, "%-8s %s %s\n", node, domain, err); + } + } +} + +/* + * Validate whether the mail domain "host" is registered in the DNS. + * If "host" is a CNAME, it is expanded in-place if the expansion fits + * into the buffer of size "hbsize". Returns nonzero if it is, zero + * if it is not. A BIND error code is left in h_errno. + */ +int +valhost(host, hbsize) + char *host; + int hbsize; +{ + register u_char *eom, *ap; + register int n; + HEADER *hp; + querybuf answer; + int ancount, qdcount; + int ret; + int type; + int qtype; + char nbuf[1024]; + + if ((_res.options & RES_INIT) == 0 && res_init() == -1) + return (0); + + _res.options &= ~(RES_DNSRCH|RES_DEFNAMES); + _res.retrans = 30; + _res.retry = 10; + + qtype = T_ANY; + + for (;;) { + h_errno = NO_DATA; + ret = res_querydomain(host, "", C_IN, qtype, + &answer, sizeof(answer)); + if (ret <= 0) + { + if (errno == ECONNREFUSED || h_errno == TRY_AGAIN) + { + /* the name server seems to be down */ + h_errno = TRY_AGAIN; + return 0; + } + + if (h_errno != HOST_NOT_FOUND) + { + /* might have another type of interest */ + if (qtype == T_ANY) + { + qtype = T_A; + continue; + } + else if (qtype == T_A) + { + qtype = T_MX; + continue; + } + } + + /* otherwise, no record */ + return 0; + } + + /* + ** This might be a bogus match. Search for A, MX, or + ** CNAME records. + */ + + hp = (HEADER *) &answer; + ap = (u_char *) &answer + sizeof(HEADER); + eom = (u_char *) &answer + ret; + + /* skip question part of response -- we know what we asked */ + for (qdcount = ntohs(hp->qdcount); qdcount--; ap += ret + QFIXEDSZ) + { + if ((ret = dn_skipname(ap, eom)) < 0) + { + return 0; /* ???XXX??? */ + } + } + + for (ancount = ntohs(hp->ancount); --ancount >= 0 && ap < eom; ap += n) + { + n = dn_expand((u_char *) &answer, eom, ap, + (u_char *) nbuf, sizeof nbuf); + if (n < 0) + break; + ap += n; + GETSHORT(type, ap); + ap += SHORTSIZE + LONGSIZE; + GETSHORT(n, ap); + switch (type) + { + case T_MX: + case T_A: + return 1; + + case T_CNAME: + /* value points at name */ + if ((ret = dn_expand((u_char *)&answer, + eom, ap, (u_char *)nbuf, sizeof(nbuf))) < 0) + break; + if (strlen(nbuf) < hbsize) { + (void)strcpy(host, nbuf); + } + return 1; + + default: + /* not a record of interest */ + continue; + } + } + + /* + ** If this was a T_ANY query, we may have the info but + ** need an explicit query. Try T_A, then T_MX. + */ + + if (qtype == T_ANY) + qtype = T_A; + else if (qtype == T_A) + qtype = T_MX; + else + return 0; + } +} + +struct entry { + struct entry *next; + char *node; + char *domain; +}; +struct entry *firstentry; + +/* + * Find any remembered information about "node" + */ +char *lookup(node) +char *node; +{ + struct entry *p; + + for (p = firstentry; p; p = p->next) { + if (!strcmp(node, p->node)) { + return p->domain; + } + } + return 0; +} + +/* + * Mark the node "node" as equivalent to "domain". "domain" can either + * be a bitnet node or a domain name--if it is the latter, the mapping + * will be written to stdout. + */ +remember(node, domain) +char *node; +char *domain; +{ + struct entry *p; + + if (strchr(domain, '.')) { + fprintf(stdout, "%-8s %s\n", node, domain); + } + + for (p = firstentry; p; p = p->next) { + if (!strcmp(node, p->node)) { + p->domain = malloc(strlen(domain)+1); + if (!p->domain) { + goto outofmemory; + } + strcpy(p->domain, domain); + return; + } + } + + p = (struct entry *)malloc(sizeof(struct entry)); + if (!p) goto outofmemory; + + p->next = firstentry; + firstentry = p; + p->node = malloc(strlen(node)+1); + p->domain = malloc(strlen(domain)+1); + if (!p->node || !p->domain) goto outofmemory; + strcpy(p->node, node); + strcpy(p->domain, domain); + return; + + outofmemory: + fprintf(stderr, "Out of memory\n"); + exit(1); +} + +/* + * Walk through the database, looking for any cases where we know + * node FOO is equivalent to node BAR and node BAR has a domain name. + * For those cases, give FOO the same domain name as BAR. + */ +finish() +{ + struct entry *p; + char *domain; + + for (p = firstentry; p; p = p->next) { + if (!strchr(p->domain, '.') && (domain = lookup(p->domain))) { + remember(p->node, domain); + } + } +} + diff --git a/contrib/sendmail-8.13.4/contrib/bounce-resender.pl b/contrib/sendmail-8.13.4/contrib/bounce-resender.pl new file mode 100755 index 0000000000..9253cddff2 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/bounce-resender.pl @@ -0,0 +1,282 @@ +#!/usr/local/bin/perl -w +# +# bounce-resender: constructs mail queue from bounce spool for +# subsequent reprocessing by sendmail +# +# usage: given a mail spool full of (only) bounced mail called "bounces": +# # mkdir -m0700 bqueue; cd bqueue && bounce-resender < ../bounces +# # cd .. +# # chown -R root bqueue; chmod 600 bqueue/* +# # /usr/lib/sendmail -bp -oQ`pwd`/bqueue | more # does it look OK? +# # /usr/lib/sendmail -q -oQ`pwd`/bqueue -oT99d & # run the queue +# +# ** also read messages at end! ** +# +# Brian R. Gaeke Thu Feb 18 13:40:10 PST 1999 +# +############################################################################# +# This script has NO WARRANTY, NO BUG FIXES, and NO SUPPORT. You will +# need to modify it for your site and for your operating system, unless +# you are in the EECS Instructional group at UC Berkeley. (Search forward +# for two occurrences of "FIXME".) +# + +$state = "MSG_START"; +$ctr = 0; +$lineno = 0; +$getnrl = 0; +$nrl = ""; +$uname = "PhilOS"; # You don't want to change this here. +$myname = $0; +$myname =~ s,.*/([^/]*),$1,; + +chomp($hostname = `hostname`); +chomp($uname = `uname`); + +# FIXME: Define the functions "major" and "minor" for your OS. +if ($uname eq "SunOS") { + # from h2ph < /usr/include/sys/sysmacros.h on + # SunOS torus.CS.Berkeley.EDU 5.6 Generic_105182-11 i86pc i386 i86pc + eval 'sub O_BITSMINOR () {8;}' unless defined(&O_BITSMINOR); + eval 'sub O_MAXMAJ () {0x7f;}' unless defined(&O_MAXMAJ); + eval 'sub O_MAXMIN () {0xff;}' unless defined(&O_MAXMIN); + eval 'sub major { + local($x) = @_; + eval "((($x) >> &O_BITSMINOR) &O_MAXMAJ)"; + }' unless defined(&major); + eval 'sub minor { + local($x) = @_; + eval "(($x) &O_MAXMIN)"; + }' unless defined(&minor); +} else { + die "How do you calculate major and minor device numbers on $uname?\n"; +} + +sub ignorance { $ignored{$state}++; } + +sub unmunge { + my($addr) = @_; + $addr =~ s/_FNORD_/ /g; + # remove (Real Name) + $addr =~ s/^(.*)\([^\)]*\)(.*)$/$1$2/ + if $addr =~ /^.*\([^\)]*\).*$/; + # extract if it appears + $addr =~ s/^.*<([^>]*)>.*$/$1/ + if $addr =~ /^.*<[^>]*>.*$/; + # strip leading, trailing blanks + $addr =~ s/^\s*(.*)\s*/$1/; + # nuke local domain + # FIXME: Add a regular expression for your local domain here. + $addr =~ + s/@(cory|po|pasteur|torus|parker|cochise|franklin).(ee)?cs.berkeley.edu//i; + return $addr; +} + +print STDERR "$0: running on $hostname ($uname)\n"; + +open(INPUT,$ARGV[0]) || die "$ARGV[0]: $!\n"; + +sub working { + my($now); + $now = localtime; + print STDERR "$myname: Working... $now\n"; +} + +&working(); + +while (! eof INPUT) { + # get a new line + if ($state eq "IN_MESSAGE_HEADER") { + # handle multi-line headers + if ($nrl ne "" || $getnrl != 0) { + $_ = $nrl; + $getnrl = 0; + $nrl = ""; + } else { + $_ = ; $lineno++; + } + unless ($_ =~ /^\s*$/) { + while ($nrl eq "") { + $nrl = ; $lineno++; + if ($nrl =~ /^\s+[^\s].*$/) { # continuation line + chomp($_); + $_ .= "_FNORD_" . $nrl; + $nrl = ""; + } elsif ($nrl =~ /^\s*$/) { # end of headers + $getnrl++; + last; + } + } + } + } else { + # normal single line + if ($nrl ne "") { + $_ = $nrl; $nrl = ""; + } else { + $_ = ; $lineno++; + } + } + + if ($state eq "WAIT_FOR_FROM") { + if (/^From \S+.*$/) { + $state = "MSG_START"; + } else { + &ignorance(); + } + } elsif ($state eq "MSG_START") { + if (/^\s+boundary=\"([^\"]*)\".*$/) { + $boundary = $1; + $state = "GOT_BOUNDARY"; + $ctr++; + } else { + &ignorance(); + } + } elsif ($state eq "GOT_BOUNDARY") { + if (/^--$boundary/) { + $next = ; $lineno++; + if ($next =~ /^Content-Type: message\/rfc822/) { + $hour = (localtime)[2]; + $char = chr(ord("A") + $hour); + $ident = sprintf("%sAA%05d",$char,99999 - $ctr); + $qf = "qf$ident"; + $df = "df$ident"; + @rcpt = (); + open(MSGHDR,">$qf") || die "Can't write to $qf: $!\n"; + open(MSGBODY,">$df") || die "Can't write to $df: $!\n"; + chmod(0600, $qf, $df); + $state = "IN_MESSAGE_HEADER"; + $header = $body = ""; + $messageid = "bounce-resender-$ctr"; + $fromline = "MAILER-DAEMON"; + $ctencod = "7BIT"; + # skip a bit, brother maynard (boundary is separated from + # the header by a blank line) + $next = ; $lineno++; + unless ($next =~ /^\s*$/) { + print MSGHDR $next; + } + } + } else { + &ignorance(); + } + + $next = $char = $hour = undef; + } elsif ($state eq "IN_MESSAGE_HEADER") { + if (!(/^--$boundary/ || /^\s*$/)) { + if (/^Message-[iI][dD]:\s+<([^@]+)@[^>]*>.*$/) { + $messageid = $1; + } elsif (/^From:\s+(.*)$/) { + $fromline = $sender = $1; + $fromline = unmunge($fromline); + } elsif (/^Content-[Tt]ransfer-[Ee]ncoding:\s+(.*)$/) { + $ctencod = $1; + } elsif (/^(To|[Cc][Cc]):\s+(.*)$/) { + $toaddrs = $2; + foreach $toaddr (split(/,/,$toaddrs)) { + $toaddr = unmunge($toaddr); + push(@rcpt,$toaddr); + } + } + $headerline = $_; + # escape special chars + # (Perhaps not. It doesn't seem to be necessary (yet)). + #$headerline =~ s/([\(\)<>@,;:\\".\[\]])/\\$1/g; + # purely heuristic ;-) + $headerline =~ s/Return-Path:/?P?Return-Path:/g; + # save H-line to write to qf, later + $header .= "H$headerline"; + + $headerline = $toaddr = $toaddrs = undef; + } elsif (/^\s*$/) { + # write to qf + ($dev, $ino) = (stat($df))[0 .. 1]; + ($maj, $min) = (major($dev), minor($dev)); + $time = time(); + print MSGHDR "V2\n"; + print MSGHDR "B$ctencod\n"; + print MSGHDR "S$sender\n"; + print MSGHDR "I$maj/$min/$ino\n"; + print MSGHDR "K$time\n"; + print MSGHDR "T$time\n"; + print MSGHDR "D$df\n"; + print MSGHDR "N1\n"; + print MSGHDR "MDeferred: manually-requeued bounced message\n"; + foreach $r (@rcpt) { + print MSGHDR "RP:$r\n"; + } + $header =~ s/_FNORD_/\n/g; + print MSGHDR $header; + print MSGHDR "HMessage-ID: <$messageid@$hostname>\n" + if ($messageid =~ /bounce-resender/); + print MSGHDR ".\n"; + close MSGHDR; + + # jump to state waiting for message body + $state = "IN_MESSAGE_BODY"; + + $dev = $ino = $maj = $min = $r = $time = undef; + } elsif (/^--$boundary/) { + # signal an error + print "$myname: Header without message! Line $lineno qf $qf\n"; + + # write to qf anyway (SAME AS ABOVE, SHOULD BE A PROCEDURE) + ($dev, $ino) = (stat($df))[0 .. 1]; + ($maj, $min) = (major($dev), minor($dev)); + $time = time(); + print MSGHDR "V2\n"; + print MSGHDR "B$ctencod\n"; + print MSGHDR "S$sender\n"; + print MSGHDR "I$maj/$min/$ino\n"; + print MSGHDR "K$time\n"; + print MSGHDR "T$time\n"; + print MSGHDR "D$df\n"; + print MSGHDR "N1\n"; + print MSGHDR "MDeferred: manually-requeued bounced message\n"; + foreach $r (@rcpt) { + print MSGHDR "RP:$r\n"; + } + $header =~ s/_FNORD_/\n/g; + print MSGHDR $header; + print MSGHDR "HMessage-ID: <$messageid@$hostname>\n" + if ($messageid =~ /bounce-resender/); + print MSGHDR ".\n"; + close MSGHDR; + + # jump to state waiting for next bounce message + $state = "WAIT_FOR_FROM"; + + $dev = $ino = $maj = $min = $r = $time = undef; + } else { + # never got here + &ignorance(); + } + } elsif ($state eq "IN_MESSAGE_BODY") { + if (/^--$boundary/) { + print MSGBODY $body; + close MSGBODY; + $state = "WAIT_FOR_FROM"; + } else { + $body .= $_; + } + } + if ($lineno % 1900 == 0) { &working(); } +} + +close INPUT; + +foreach $x (keys %ignored) { + print STDERR + "$myname: ignored $ignored{$x} lines of bounce spool in state $x\n"; +} +print STDERR + "$myname: processed $lineno lines of input and wrote $ctr messages\n"; +print STDERR + "$myname: remember to chown the queue files to root before running:\n"; +chomp($pwd = `pwd`); +print STDERR "$myname: # sendmail -q -oQ$pwd -oT99d &\n"; + +print STDERR "$myname: to test the newly generated queue:\n"; +print STDERR "$myname: # sendmail -bp -oQ$pwd | more\n"; + +exit 0; + diff --git a/contrib/sendmail-8.13.4/contrib/bsdi.mc b/contrib/sendmail-8.13.4/contrib/bsdi.mc new file mode 100644 index 0000000000..5175a34a30 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/bsdi.mc @@ -0,0 +1,191 @@ +Return-Path: sanders@austin.BSDI.COM +Received: from hofmann.CS.Berkeley.EDU (hofmann.CS.Berkeley.EDU [128.32.34.35]) by orodruin.CS.Berkeley.EDU (8.6.9/8.7.0.Beta0) with ESMTP id KAA28278 for ; Sat, 10 Dec 1994 10:49:08 -0800 +Received: from austin.BSDI.COM (austin.BSDI.COM [137.39.95.2]) by hofmann.CS.Berkeley.EDU (8.6.9/8.6.6.Beta11) with ESMTP id KAA09482 for ; Sat, 10 Dec 1994 10:49:03 -0800 +Received: from austin.BSDI.COM (sanders@localhost [127.0.0.1]) by austin.BSDI.COM (8.6.9/8.6.9) with ESMTP id MAA14919 for ; Sat, 10 Dec 1994 12:49:01 -0600 +Message-Id: <199412101849.MAA14919@austin.BSDI.COM> +To: Eric Allman +Subject: Re: sorting mailings lists with fastest delivery users first +In-reply-to: Your message of Sat, 10 Dec 1994 08:25:30 PST. +References: <199412101625.IAA15407@mastodon.CS.Berkeley.EDU> +From: Tony Sanders +Organization: Berkeley Software Design, Inc. +Date: Sat, 10 Dec 1994 12:49:00 -0600 +Sender: sanders@austin.BSDI.COM + +(some random text deleted) + +I'll send you something else I've hacked up. You are free to use this +or do with it as you like (I hereby make all my parts public domain). +It's a sample .mc file that has comments (mostly taken from the README) +and examples describing most of the common things people need to setup. + +# +# /usr/share/sendmail/cf/sample.mc +# +# Do not edit /etc/sendmail.cf directly unless you cannot do what you +# want in the master config file (/usr/share/sendmail/cf/sample.mc). +# To create /etc/sendmail.cf from the master: +# cd /usr/share/sendmail/cf +# mv /etc/sendmail.cf /etc/sendmail.cf.save +# m4 < sample.mc > /etc/sendmail.cf +# +# Then kill and restart sendmail: +# sh -c 'set `cat /var/run/sendmail.pid`; kill $1; shift; eval "$@"' +# +# See /usr/share/sendmail/README for help in building a configuration file. +# +include(`../m4/cf.m4') +VERSIONID(`@(#)$Id: bsdi.mc,v 8.1 1999/02/06 18:44:08 gshapiro Exp $') + +dnl # Specify your OS type below +OSTYPE(`bsd4.4') + +dnl # NOTE: `dnl' is the m4 command for delete-to-newline; these are +dnl # used to prevent those lines from appearing in the sendmail.cf. +dnl # +dnl # UUCP-only sites should configure FEATURE(`nodns') and SMART_HOST. +dnl # The uucp-dom mailer requires MAILER(smtp). For more info, see +dnl # `UUCP Config' at the end of this file. + +dnl # If you are not running DNS at all, it is important to use +dnl # FEATURE(nodns) to avoid having sendmail queue everything +dnl # waiting for the name server to come up. +dnl # Example: +dnl FEATURE(`nodns') + +dnl # Use FEATURE(`nocanonify') to skip address canonification via $[ ... $]. +dnl # This would generally only be used by sites that only act as mail gateways +dnl # or which have user agents that do full canonification themselves. +dnl # You may also want to use: +dnl # define(`confBIND_OPTS',`-DNSRCH -DEFNAMES') +dnl # to turn off the usual resolver options that do a similar thing. +dnl # Examples: +dnl FEATURE(`nocanonify') +dnl define(`confBIND_OPTS',`-DNSRCH -DEFNAMES') + +dnl # If /bin/hostname is not set to the FQDN (Full Qualified Domain Name; +dnl # for example, foo.bar.com) *and* you are not running a nameserver +dnl # (that is, you do not have an /etc/resolv.conf and are not running +dnl # named) *and* the canonical name for your machine in /etc/hosts +dnl # (the canonical name is the first name listed for a given IP Address) +dnl # is not the FQDN version then define NEED_DOMAIN and specify your +dnl # domain using `DD' (for example, if your hostname is `foo.bar.com' +dnl # then use DDbar.com). If in doubt, just define it anyway; doesn't hurt. +dnl # Examples: +dnl define(`NEED_DOMAIN', `1') +dnl DDyour.site.domain + +dnl # Define SMART_HOST if you want all outgoing mail to go to a central +dnl # site. SMART_HOST applies to names qualified with non-local names. +dnl # Example: +dnl define(`SMART_HOST', `smtp:firewall.bar.com') + +dnl # Define MAIL_HUB if you want all incoming mail sent to a +dnl # centralized hub, as for a shared /var/spool/mail scheme. +dnl # MAIL_HUB applies to names qualified with the name of the +dnl # local host (e.g., "eric@foo.bar.com"). +dnl # Example: +dnl define(`MAIL_HUB', `smtp:mailhub.bar.com') + +dnl # LOCAL_RELAY is a site that will handle unqualified names, this is +dnl # basically for site/company/department wide alias forwarding. By +dnl # default mail is delivered on the local host. +dnl # Example: +dnl define(`LOCAL_RELAY', `smtp:mailgate.bar.com') + +dnl # Relay hosts for fake domains: .UUCP .BITNET .CSNET +dnl # Examples: +dnl define(`UUCP_RELAY', `mailer:your_relay_host') +dnl define(`BITNET_RELAY', `mailer:your_relay_host') +dnl define(`CSNET_RELAY', `mailer:your_relay_host') + +dnl # Define `MASQUERADE_AS' is used to hide behind a gateway. +dnl # add any accounts you wish to be exposed (i.e., not hidden) to the +dnl # `EXPOSED_USER' list. +dnl # Example: +dnl MASQUERADE_AS(`some.other.host') + +dnl # If masquerading, EXPOSED_USER defines the list of accounts +dnl # that retain the local hostname in their address. +dnl # Example: +dnl EXPOSED_USER(`postmaster hostmaster webmaster') + +dnl # If masquerading is enabled (using MASQUERADE_AS above) then +dnl # FEATURE(allmasquerade) will cause recipient addresses to +dnl # masquerade as being from the masquerade host instead of +dnl # getting the local hostname. Although this may be right for +dnl # ordinary users, it breaks local aliases that aren't exposed +dnl # using EXPOSED_USER. +dnl # Example: +dnl FEATURE(allmasquerade) + +dnl # Include any required mailers +MAILER(local) +MAILER(smtp) +MAILER(uucp) + +LOCAL_CONFIG +# If this machine should be accepting mail as local for other hostnames +# that are MXed to this hostname then add those hostnames below using +# a line like: +# Cw bar.com +# The most common case where you need this is if this machine is supposed +# to be accepting mail for the domain. That is, if this machine is +# foo.bar.com and you have an MX record in the DNS that looks like: +# bar.com. IN MX 0 foo.bar.com. +# Then you will need to add `Cw bar.com' to the config file for foo.bar.com. +# DO NOT add Cw entries for hosts whom you simply store and forward mail +# for or else it will attempt local delivery. So just because bubba.bar.com +# is MXed to your machine you should not add a `Cw bubba.bar.com' entry +# unless you want local delivery and your machine is the highest-priority +# MX entry (that is is has the lowest preference value in the DNS. + +LOCAL_RULE_0 +# `LOCAL_RULE_0' can be used to introduce alternate delivery rules. +# For example, let's say you accept mail via an MX record for widgets.com +# (don't forget to add widgets.com to your Cw list, as above). +# +# If wigets.com only has an AOL address (widgetsinc) then you could use: +# R$+ <@ widgets.com.> $#smtp $@aol.com. $:widgetsinc<@aol.com.> +# +# Or, if widgets.com was connected to you via UUCP as the UUCP host +# widgets you might have: +# R$+ <@ widgets.com.> $#uucp $@widgets $:$1<@widgets.com.> + +dnl ### +dnl ### UUCP Config +dnl ### + +dnl # `SITECONFIG(site_config_file, name_of_site, connection)' +dnl # site_config_file the name of a file in the cf/siteconfig +dnl # directory (less the `.m4') +dnl # name_of_site the actual name of your UUCP site +dnl # connection one of U, W, X, or Y; where U means the sites listed +dnl # in the config file are connected locally; W, X, and Y +dnl # build remote UUCP hub classes ($=W, etc). +dnl # You will need to create the specific site_config_file in +dnl # /usr/share/sendmail/siteconfig/site_config_file.m4 +dnl # The site_config_file contains a list of directly connected UUCP hosts, +dnl # e.g., if you only connect to UUCP site gargoyle then you could just: +dnl # echo 'SITE(gargoyle)' > /usr/share/sendmail/siteconfig/uucp.foobar.m4 +dnl # Example: +dnl SITECONFIG(`uucp.foobar', `foobar', U) + +dnl # If you are on a local SMTP-based net that connects to the outside +dnl # world via UUCP, you can use LOCAL_NET_CONFIG to add appropriate rules. +dnl # For example: +dnl # define(`SMART_HOST', suucp:uunet) +dnl # LOCAL_NET_CONFIG +dnl # R$* < @ $* .$m. > $* $#smtp $@ $2.$m. $: $1 < @ $2.$m. > $3 +dnl # This will cause all names that end in your domain name ($m) to be sent +dnl # via SMTP; anything else will be sent via suucp (smart UUCP) to uunet. +dnl # If you have FEATURE(nocanonify), you may need to omit the dots after +dnl # the $m. +dnl # +dnl # If you are running a local DNS inside your domain which is not +dnl # otherwise connected to the outside world, you probably want to use: +dnl # define(`SMART_HOST', smtp:fire.wall.com) +dnl # LOCAL_NET_CONFIG +dnl # R$* < @ $* . > $* $#smtp $@ $2. $: $1 < @ $2. > $3 +dnl # That is, send directly only to things you found in your DNS lookup; +dnl # anything else goes through SMART_HOST. diff --git a/contrib/sendmail-8.13.4/contrib/buildvirtuser b/contrib/sendmail-8.13.4/contrib/buildvirtuser new file mode 100755 index 0000000000..abed167bbb --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/buildvirtuser @@ -0,0 +1,204 @@ +#!/usr/bin/perl -w + +# Copyright (c) 1999-2003 Gregory Neil Shapiro. All Rights Reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. Neither the name of the author nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. + +# $Id: buildvirtuser,v 1.6 2003/03/15 23:30:09 gshapiro Exp $ + +=head1 NAME + +buildvirtuser - Build virtusertable support from a directory of files + +=head1 SYNOPSIS + + buildvirtuser [-f] [-t] + +=head1 DESCRIPTION + +buildvirtuser will build /etc/mail/virtusertable.db and /etc/mail/virthosts +based on the contents of the directory /etc/mail/virtusers/. That +directory should contain one file per virtual domain with the filename +matching the virtual domain name and the contents containing a list of +usernames on the left and the actual address for that username on the +right. An empty left column translates to the default for that domain. +Blank lines and lines beginning with '#' are ignored. Occurrences of +$DOMAIN in the file are replaced by the current domain being processed. +Occurrences of $LHS in the right hand side are replaced by the address on +the left hand side. + +The -f option forces the database to be rebuilt regardless of whether +any file changes were detected. + +The -t option instructs the program to build a text file instead of a +database. The text file can then be used with makemap. + +=head1 CONFIGURATION + +In order to function properly, sendmail must be configured to use these +files with: + + FEATURE(`virtusertable')dnl + VIRTUSER_DOMAIN_FILE(`/etc/mail/virthosts')dnl + +If a new domain is added (i.e., by adding a new file to +/etc/mail/virtusers/), the sendmail daemon must be restarted for the change +to take affect. + +=head1 EXAMPLES + +Here are some example files from the /etc/mail/virtusers/ directory: + +=head2 /etc/mail/virtusers/bsdunix.org: + + # Services + MAILER-DAEMON gshapiro+bounce.$DOMAIN@gshapiro.net + postmaster gshapiro+$LHS.$DOMAIN@gshapiro.net + webmaster gshapiro+$LHS.$DOMAIN@gshapiro.net + + # Defaults + error:nouser No such user + + # Users + gshapiro gshapiro+$DOMAIN@gshapiro.net + bob robert@smtp.org + +=head2 /etc/mail/virtusers/smtp.org: + + # Defaults + gshapiro+$DOMAIN@gshapiro.net + + # Users + john john@wookie.org + nancy n@milter.com + +=head1 AUTHOR + +Gregory Neil Shapiro EFE + +=cut + +use strict; +use Getopt::Std; + +my $makemap = "/usr/sbin/makemap"; +my $dbtype = "hash"; +my $maildir = "/etc/mail"; +my $virthosts = "$maildir/virthosts"; +my $newvirthosts = "$maildir/virthosts.new"; +my $virts = "$maildir/virtusers"; +my $newvirt = "$maildir/virtusertable.new.db"; +my $virt = "$maildir/virtusertable.db"; +my %virt = (); +my $newest = 0; +my ($lhs, $domain, $key, $value); +my $opts = {}; + +getopts('ft', $opts) || die "Usage: $0 [-f] [-t]\n"; + +if ($opts->{t}) +{ + $newvirt = "$maildir/virtusertable.new"; + $virt = "$maildir/virtusertable"; +} + +opendir(VIRTS, $virts) || die "Could not open directory $virts: $!\n"; +my @virts = grep { -f "$virts/$_" } readdir(VIRTS); +closedir(VIRTS) || die "Could not close directory $virts: $!\n"; + +foreach $domain (@virts) +{ + open(DOMAIN, "$virts/$domain") || die "Could not open file $virts/$domain: $!\n"; + my $line = 0; + my $mtime = (stat(DOMAIN))[9] || 0; + if ($mtime > $newest) + { + $newest = $mtime; + } +LINE: while () + { + chomp; + $line++; + next LINE if /^#/; + next LINE if /^$/; + if (m/^([^\t ]*)[\t ]+(.*)$/) + { + if (defined($1)) + { + $lhs = "$1"; + $key = "$1\@$domain"; + } + else + { + $lhs = ""; + $key = "\@$domain"; + } + $value = $2; + } + else + { + die "Bogus line $line in $virts/$domain\n"; + } + + # Variable subsitution + $key =~ s/\$DOMAIN/$domain/g; + $value =~ s/\$DOMAIN/$domain/g; + $value =~ s/\$LHS/$lhs/g; + $virt{$key} = $value; + } + close(DOMAIN) || die "Could not close $virts/$domain: $!\n"; +} + +my $virtmtime = (stat($virt))[9] || 0; +if ($opts->{f} || $virtmtime < $newest) +{ + print STDOUT "Rebuilding $virt\n"; +# logger -s -t ${prog} -p mail.info "Rebuilding ${basedir}/virtusertable" + if ($opts->{t}) + { + open(MAKEMAP, ">$newvirt") || die "Could not open $newvirt: $!\n"; + } + else + { + open(MAKEMAP, "|$makemap $dbtype $newvirt") || die "Could not start makemap: $!\n"; + } + + foreach $key (keys %virt) + { + print MAKEMAP "$key\t\t$virt{$key}\n"; + } + close(MAKEMAP) || die "Could not close makemap ($?): $!\n"; + rename($newvirt, $virt) || die "Could not rename $newvirt to $virt: $!\n"; + + open(VIRTHOST, ">$newvirthosts") || die "Could not open file $newvirthosts: $!\n"; + foreach $domain (sort @virts) + { + print VIRTHOST "$domain\n"; + } + close(VIRTHOST) || die "Could not close $newvirthosts: $!\n"; + rename($newvirthosts, $virthosts) || die "Could not rename $newvirthosts to $virthosts: $!\n"; +} +exit 0; diff --git a/contrib/sendmail-8.13.4/contrib/cidrexpand b/contrib/sendmail-8.13.4/contrib/cidrexpand new file mode 100755 index 0000000000..b7ace25adf --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/cidrexpand @@ -0,0 +1,94 @@ +#!/usr/bin/perl -w + +# $Id: cidrexpand,v 8.4 2002/11/22 21:13:14 ca Exp $ +# +# v 0.4 +# +# 17 July 2000 Derek J. Balling (dredd@megacity.org) +# +# Acts as a preparser on /etc/mail/access_db to allow you to use address/bit +# notation. +# +# If you have two overlapping CIDR blocks with conflicting actions +# e.g. 10.2.3.128/25 REJECT and 10.2.3.143 ACCEPT +# make sure that the exceptions to the more general block are specified +# later in the access_db. +# +# the -r flag to makemap will make it "do the right thing" +# +# Modifications +# ------------- +# 26 Jul 2001 Derek Balling (dredd@megacity.org) +# Now uses Net::CIDR because it makes life a lot easier. +# +# 5 Nov 2002 Richard Rognlie (richard@sendmail.com) +# Added code to deal with the prefix tags that may now be included in +# the access_db +# +# Added clarification in the notes for what to do if you have +# exceptions to a larger CIDR block. +# +# usage: +# cidrexpand < /etc/mail/access | makemap -r hash /etc/mail/access +# +# +# Report bugs to: +# + + +use strict; +use Net::CIDR; + +my $spaceregex = '\s+'; + +while (my $arg = shift @ARGV) +{ + if ($arg eq '-t') + { + $spaceregex = shift; + } +} + +use strict; + +my $SENDMAIL = 1; + +while (<>) +{ + my ($prefix,$left,$right,$space); + + if (! /^(|\S\S*:)(\d+\.){3}\d+\/\d\d?$spaceregex.*/ ) + { + print; + } + else + { + ($prefix,$left,$space,$right) = /^(|\S\S*:)((?:\d+\.){3}\d+\/\d\d?)($spaceregex)(.*)$/; + + my @new_lefts = expand_network($left); + foreach my $nl (@new_lefts) + { + print "$prefix$nl$space$right\n"; + } + } +} + +sub expand_network +{ + my $left_input = shift; + my @rc = ($left_input); + my ($network,$mask) = split /\//, $left_input; + if (defined $mask) + { + my @parts = split /\./, $network; + while ($#parts < 3) + { + push @parts, "0"; + } + my $clean_input = join '.', @parts; + $clean_input .= "/$mask"; + my @octets = Net::CIDR::cidr2octets($clean_input); + @rc = @octets; + } + return @rc; +} diff --git a/contrib/sendmail-8.13.4/contrib/dnsblaccess.m4 b/contrib/sendmail-8.13.4/contrib/dnsblaccess.m4 new file mode 100644 index 0000000000..c9a5f7e61f --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/dnsblaccess.m4 @@ -0,0 +1,94 @@ +divert(-1) +# +# Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# + +dnl ## This is a modified enhdnsbl, loosely based on the +dnl ## original. +dnl ## +dnl ## Use it as follows +dnl ## +dnl ## HACK(dnsblaccess, domain, optional-message, tempfail-message, keytag) +dnl ## +dnl ## The first argument (domain) is required. The other arguments +dnl ## are optional and have reasonable defaults. The +dnl ## optional-message is the error message given in case of a +dnl ## match. The default behavior for a tempfail is to accept the +dnl ## email. A tempfail-message value of `t' temporarily rejects +dnl ## with a default message. Otherwise the value should be your +dnl ## own message. The keytag is used to lookup the access map to +dnl ## further refine the result. I recommend a qualified keytag +dnl ## (containing a ".") as less likely to accidently conflict with +dnl ## other access tags. +dnl ## +dnl ## This is best illustrated with an example. Please do not use +dnl ## the example, as it refers to a bogus lookup list. +dnl ## +dnl ## Suppose that you use +dnl ## +dnl ## HACK(dnsblaccess, `rbl.bogus.org',`',`t',bogus.tag) +dnl ## +dnl ## and suppose that your access map contains the entries +dnl ## +dnl ## bogus.tag:127.0.0.2 REJECT +dnl ## bogus.tag:127.0.0.3 error:dialup mail from %1: listed at %2 +dnl ## bogus.tag:127.0.0.4 OK +dnl ## bogus.tag:127 REJECT +dnl ## bogus.tag: OK +dnl ## +dnl ## If an SMTP connection is received from 123.45.6.7, sendmail +dnl ## will lookup the A record for 7.6.45.123.bogus.org. If there +dnl ## is a temp failure for the lookup, sendmail will generate a +dnl ## temporary failure with a default message. If there is no +dnl ## A-record for this lookup, then the mail is treated as if the +dnl ## HACK line were not present. If the lookup returns 127.0.0.2, +dnl ## then a default message rejects the mail. If it returns +dnl ## 127.0.0.3, then the message +dnl ## "dialup mail from 123.45.6.7: listed at rbl.bogus.org" +dnl ## is used to reject the mail. If it returns 127.0.0.4, the +dnl ## mail is processed as if there were no HACK line. If the +dnl ## address returned is something else beginning with 127.*, the +dnl ## mail is rejected with a default error message. If the +dnl ## address returned does not begin 127, then the mail is +dnl ## processed as if the HACK line were not present. + +divert(0) +VERSIONID(`$Id: dnsblaccess.m4,v 1.5 2002/05/19 21:30:06 gshapiro Exp $') +ifdef(`_ACCESS_TABLE_', `dnl', + `errprint(`*** ERROR: dnsblaccess requires FEATURE(`access_db') +')') +ifdef(`_EDNSBL_R_',`dnl',`dnl +define(`_EDNSBL_R_', `1')dnl ## prevent multiple redefines of the map. +LOCAL_CONFIG +# map for enhanced DNS based blacklist lookups +Kednsbl dns -R A -a. -T -r`'ifdef(`EDNSBL_TO',`EDNSBL_TO',`5') +') +divert(-1) +define(`_EDNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',_ARG_)')dnl +define(`_EDNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_EDNSBL_SRV_`"',`_ARG2_')')dnl +define(`_EDNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_EDNSBL_SRV_`"',`_ARG3_')')dnl +define(`_EDNSBL_KEY_', `ifelse(len(X`'_ARG4_),`1',`dnsblaccess',_ARG4_)')dnl +divert(8) +# DNS based IP address spam list _EDNSBL_SRV_ +R$* $: $&{client_addr} +dnl IPv6? +R$-.$-.$-.$- $: $(ednsbl $4.$3.$2.$1._EDNSBL_SRV_. $: OK $) <>$1.$2.$3.$4 +ROK<>$* $: OKSOFAR +R$+<>$* $: > +R$* $- .<>$* <$(access _EDNSBL_KEY_`:'$1$2 $@$3 $@`'_EDNSBL_SRV_ $: ? $)> $1 <>$3 +R$* <>$* $:<$(access _EDNSBL_KEY_`:' $@$2 $@`'_EDNSBL_SRV_ $: ? $)> <>$2 +ifelse(len(X`'_ARG3_),`1', +`R<$*>$* $: TMPOK', +`R<$*>$* $#error $@ 4.7.1 $: _EDNSBL_MSG_TMP_') +R<$={Accept}>$* $: OKSOFAR +R $* $#error $@ $1.$2.$3 $: $4 +R $* $#error $: $1 +R $* $#discard $: discard +R<$*> $* $#error $@ 5.7.1 $: _EDNSBL_MSG_ +divert(-1) diff --git a/contrib/sendmail-8.13.4/contrib/domainmap.m4 b/contrib/sendmail-8.13.4/contrib/domainmap.m4 new file mode 100644 index 0000000000..6d56e8406e --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/domainmap.m4 @@ -0,0 +1,105 @@ +divert(-1)changequote(<<, >>)<< +----------------------------------------------------------------------------- + + FEATURE(domainmap) Macro + + The existing virtusertable feature distributed with sendmail is a good + basic approach to virtual hosting, but it is missing a few key + features: + + 1. Ability to have a different map for each domain. + 2. Ability to perform virtual hosting for domains which are not in $=w. + 3. Ability to use a centralized network-accessible database (such as + PH) which is keyed on username alone (as opposed to the + fully-qualified email address). + + The FEATURE(domainmap) macro neatly solves these problems. + + The basic syntax of the macro is: + FEATURE(domainmap, `domain.com', `map definition ...')dnl + + To illustrate how it works, here is an example: + FEATURE(domainmap, `foo.com', `dbm -o /etc/mail/foo-users')dnl + + In this example, mail sent to user@foo.com will be rewritten by the + domainmap. The username will be looked up in the DBM map + /etc/mail/foo-users, which looks like this: + jsmith johnsmith@mailbox.foo.com + jdoe janedoe@sandbox.bar.com + + So mail sent to jsmith@foo.com will be relayed to + johnsmith@mailbox.foo.com, and mail sent to jdoe@foo.com will be + relayed to janedoe@sandbox.bar.com. + + The FEATURE(domainmap) Macro supports the user+detail syntax by + stripping off the +detail portion before the domainmap lookup and + tacking it back on to the result. Using the example above, mail sent + to jsmith+sometext@foo.com will be rewritten as + johnsmith+sometext@mailbox.foo.com. + + If one of the elements in the $=w class (i.e., "local" delivery hosts) + is a domain specified in a FEATURE(domainmap) entry, you need to use + the LOCAL_USER(username) macro to specify the list of users for whom + domainmap lookups should not be done. + + To use this macro, simply copy this file into the cf/feature directory + in the sendmail source tree. For more information, please see the + following URL: + + http://www-dev.cites.uiuc.edu/sendmail/domainmap/ + + Feedback is welcome. + + Mark D. Roth + +----------------------------------------------------------------------------- +>>changequote(`, ')undivert(-1)divert + +ifdef(`_DOMAIN_MAP_',`',`dnl +LOCAL_RULE_0 +# do mapping for domains where applicable +R$* $=O $* <@ $={MappedDomain} .> $@ $>Recurse $1 $2 $3 Strip extraneous routing +R$+ <@ $={MappedDomain} .> $>DomainMapLookup $1 <@ $2 .> domain mapping + +LOCAL_RULESETS +########################################################################### +### Ruleset DomainMapLookup -- special rewriting for mapped domains ### +########################################################################### + +SDomainMapLookup +R $=L <@ $=w .> $@ $1 <@ $2 .> weed out local users, in case +# Cw contains a mapped domain +R $+ <@ $+> $: $1 <@ $2 > <$&{addr_type}> check if sender +R $+ <@ $+> $#smtp $@ $2 $: $1 @ $2 do not process sender +ifdef(`DOMAINMAP_NO_REGEX',`dnl +R $+ <@ $+> <$*> $: $1 <@ $2> <$2> find domain +R $+ <$+> <$+ . $+> $1 <$2> < $(dequote $3 "_" $4 $) > +# change "." to "_" +R $+ <$+> <$+ .> $: $1 <$2> < $(dequote "domain_" $3 $) > +# prepend "domain_" +dnl',`dnl +R $+ <@ $+> <$*> $: $1 <@ $2> <$2 :NOTDONE:> find domain +R $+ <$+> <$+ . :NOTDONE:> $1 <$2> < $(domainmap_regex $3 $: $3 $) > +# change "." and "-" to "_" +R $+ <$+> <$+> $: $1 <$2> < $(dequote "domain_" $3 $) > +# prepend "domain_" +dnl') +R $+ <$+> <$+> $: $1 <$2> <$3> $1 find user name +R $+ <$+> <$+> $+ + $* $: $1 <$2> <$3> $4 handle user+detail syntax +R $+ <$+> <$+> $+ $: $1 <$2> $( $3 $4 $: $) +# do actual domain map lookup +R $+ <$+> $#error $@ 5.1.1 $: "550 email address lookup in domain map failed" +R $+ <@ $+> $* $* $#dsmtp $@ localhost $: $1 @ $2 +# queue it up for later delivery +R $+ + $* <$+> $+ @ $+ $: $1 + $2 <$3> $4 + $2 @ $5 +# reset original user+detail +R $+ <$+> $+ $@ $>Recurse $3 recanonify + +ifdef(`DOMAINMAP_NO_REGEX',`',`dnl +LOCAL_CONFIG +K domainmap_regex regex -a.:NOTDONE: -s1,2 -d_ (.*)[-\.]([^-\.]*)$ +')define(`_DOMAIN_MAP_',`1')') + +LOCAL_CONFIG +C{MappedDomain} _ARG_ +K `domain_'translit(_ARG_, `.-', `__') _ARG2_ -T diff --git a/contrib/sendmail-8.13.4/contrib/doublebounce.pl b/contrib/sendmail-8.13.4/contrib/doublebounce.pl new file mode 100755 index 0000000000..dc26ab84f1 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/doublebounce.pl @@ -0,0 +1,225 @@ +#!/usr/bin/perl +# doublebounce.pl +# +# Return a doubly-bounced e-mail to postmaster. Specific to sendmail, +# updated to work on sendmail 8.12.6. +# +# Based on the original doublebounce.pl code by jr@terra.net, 12/4/97. +# Updated by bicknell@ufp.org, 12/4/2002 to understand new sendmail DSN +# bounces. Code cleanup also performed, mainly making things more +# robust. +# +# Original intro included below, lines with ## +## attempt to return a doubly-bounced email to a postmaster +## jr@terra.net, 12/4/97 +## +## invoke by creating an mail alias such as: +## doublebounce: "|/usr/local/sbin/doublebounce" +## then adding this line to your sendmail.cf: +## O DoubleBounceAddress=doublebounce +## +## optionally, add a "-d" flag in the aliases file, to send a +## debug trace to your own postmaster showing what is going on +## +## this allows the "postmaster" address to still go to a human being, +## while bounce messages can go to this script, which will bounce them +## back to the postmaster at the sending site. +## +## the algorithm is to scan the double-bounce error report generated +## by sendmail on stdin, for the original message (it starts after the +## second "Orignal message follows" marker), look for From, Sender, and +## Received headers from the point closest to the sender back to the point +## closest to us, and try to deliver a double-bounce report back to a +## postmaster at one of these sites in the hope that they can +## return the message to the original sender, or do something about +## the fact that that sender's return address is not valid. + +use Socket; +use Getopt::Std; +use File::Temp; +use Sys::Syslog qw(:DEFAULT setlogsock); +use strict; +use vars qw( $opt_d $tmpfile); + +# parseaddr() +# parse hostname from From: header +# +sub parseaddr { + my($hdr) = @_; + my($addr); + + if ($hdr =~ /<.*>/) { + ($addr) = $hdr =~ m/<(.*)>/; + $addr =~ s/.*\@//; + return $addr; + } + if ($addr =~ /\s*\(/) { + ($addr) = $hdr =~ m/\s*(.*)\s*\(/; + $addr =~ s/.*\@//; + return $addr; + } + ($addr) = $hdr =~ m/\s*(.*)\s*/; + $addr =~ s/.*\@//; + return $addr; +} + +# sendbounce() +# send bounce to postmaster +# +# this re-invokes sendmail in immediate and quiet mode to try +# to deliver to a postmaster. sendmail's exit status tells us +# whether the delivery attempt really was successful. +# +sub send_bounce { + my($addr, $from) = @_; + my($st); + my($result); + + my($dest) = "postmaster\@" . parseaddr($addr); + + if ($opt_d) { + syslog ('info', "Attempting to send to user $dest"); + } + open(MAIL, "| /usr/sbin/sendmail -oeq $dest"); + print MAIL < +Subject: Postmaster notify: double bounce +Reply-To: nobody +Errors-To: nobody +Precedence: junk +Auto-Submitted: auto-generated (postmaster notification) + +The following message was received for an invalid recipient. The +sender's address was also invalid. Since the message originated +at or transited through your mailer, this notification is being +sent to you in the hope that you will determine the real originator +and have them correct their From or Sender address. + +The from header on the original e-mail was: $from. + + ----- The following is a double bounce ----- + +EOT + + open(MSG, "<$tmpfile"); + print MAIL ; + close(MSG); + $result = close(MAIL); + if ($result) { + syslog('info', 'doublebounce successfully sent to %s', $dest); + } + return $result; +} + +sub main { + # Get our command line options + getopts('d'); + + # Set up syslog + setlogsock('unix'); + openlog('doublebounce', 'pid', 'mail'); + + if ($opt_d) { + syslog('info', 'Processing a doublebounce.'); + } + + # The bounced e-mail may be large, so we'd better not try to buffer + # it in memory, get a temporary file. + $tmpfile = tmpnam(); + + if (!open(MSG, ">$tmpfile")) { + syslog('err', "Unable to open temporary file $tmpfile"); + exit(75); # 75 is a temporary failure, sendmail should retry + } + print(MSG ); + close(MSG); + if (!open(MSG, "<$tmpfile")) { + syslog('err', "Unable to reopen temporary file $tmpfile"); + exit(74); # 74 is an IO error + } + + # Ok, now we can get down to business, find the original message + my($skip_lines, $in_header, $headers_found, @addresses); + $skip_lines = 0; + $in_header = 0; + $headers_found = 0; + while () { + if ($skip_lines > 0) { + $skip_lines--; + next; + } + chomp; + # Starting message depends on your version of sendmail + if (/^ ----- Original message follows -----$/ || + /^ ----Unsent message follows----$/ || + /^Content-Type: message\/rfc822$/) { + # Found the original message + $skip_lines++; + $in_header = 1; + $headers_found++; + next; + } + if (/^$/) { + if ($headers_found >= 2) { + # We only process two deep, even if there are more + last; + } + if ($in_header) { + # We've found the end of a header, scan for the next one + $in_header = 0; + } + next; + } + if ($in_header) { + if (! /^[ \t]/) { + # New Header + if (/^(received): (.*)/i || + /^(reply-to): (.*)/i || + /^(sender): (.*)/i || + /^(from): (.*)/i ) { + $addresses[$headers_found]{$1} = $2; + } + next; + } else { + # continuation header + # we should really process these, but we don't yet + next; + } + } else { + # Nothing to do if we're not in a header + next; + } + } + close(MSG); + + # Start with the original (inner) sender + my($addr, $sent); + foreach $addr (keys %{$addresses[2]}) { + if ($opt_d) { + syslog('info', "Trying to send to $addresses[2]{$addr} - $addresses[2]{\"From\"}"); + } + $sent = send_bounce($addresses[2]{$addr}, $addresses[2]{"From"}); + last if $sent; + } + if (!$sent && $opt_d) { + if ($opt_d) { + syslog('info', 'Unable to find original sender, falling back.'); + } + foreach $addr (keys %{$addresses[1]}) { + if ($opt_d) { + syslog('info', "Trying to send to $addresses[2]{$addr} - $addresses[2]{\"From\"}"); + } + $sent = send_bounce($addresses[1]{$addr}, $addresses[2]{"From"}); + last if $sent; + } + if (!$sent) { + syslog('info', 'Unable to find anyone to send a doublebounce notification'); + } + } + + unlink($tmpfile); +} + +main(); +exit(0); + diff --git a/contrib/sendmail-8.13.4/contrib/etrn.0 b/contrib/sendmail-8.13.4/contrib/etrn.0 new file mode 100644 index 0000000000..66f7975d13 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/etrn.0 @@ -0,0 +1,58 @@ +System Administration Commands etrn(1M) + + +NAME + etrn - start mail queue run + +SYNOPSIS + etrn [-v] server-host [client-hosts] + +DESCRIPTION + SMTP's ETRN command allows an SMTP client and server to + interact, giving the server an opportunity to start the pro­ + cessing of its queues for messages to go to a given host. + This is meant to be used in start-up conditions, as well as + for mail nodes that have transient connections to their ser­ + vice providers. + + The etrn utility initiates an SMTP session with the host + server-host and sends one or more ETRN commands as follows: + If no client-hosts are specified, etrn looks up every host + name for which sendmail(1M) accepts email and, for each + name, sends an ETRN command with that name as the argument. + If any client-hosts are specified, etrn uses each of these + as arguments for successive ETRN commands. + +OPTIONS + The following option is supported: + + -v The normal mode of operation for etrn is to do all of + its work silently. The -v option makes it verbose, + which causes etrn to display its conversations with + the remote SMTP server. + +ENVIRONMENT + No environment variables are used. + +FILES + /etc/mail/sendmail.cf + sendmail configuration file + +SEE ALSO + sendmail(1M), RFC 1985. + +CAVEATS + Not all SMTP servers support ETRN. + +CREDITS + Leveraged from David Muir Sharnoff's expn.pl script. Chris­ + tian von Roques added support for args and fixed a couple of + bugs. + +AVAILABILITY + The latest version of etrn is available in the contrib + directory of the sendmail distribution through anonymous ftp + at ftp://ftp.sendmail.org/ucb/src/sendmail/. + +AUTHOR + John T. Beck diff --git a/contrib/sendmail-8.13.4/contrib/etrn.pl b/contrib/sendmail-8.13.4/contrib/etrn.pl new file mode 100755 index 0000000000..2d50cb42c9 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/etrn.pl @@ -0,0 +1,218 @@ +#!/usr/local/bin/perl -w +# +# Copyright (c) 1996-2000 by John T. Beck +# All rights reserved. +# +# Copyright (c) 2000 by Sun Microsystems, Inc. +# All rights reserved. +# +#ident "@(#)etrn.pl 1.1 00/09/06 SMI" + +require 5.005; # minimal Perl version required +use strict; +use English; + +# hardcoded constants, should work fine for BSD-based systems +use Socket; +use Getopt::Std; +use vars qw($opt_v); +my $sockaddr = 'S n a4 x8'; + +# system requirements: +# must have 'hostname' program. + +my $port = 'smtp'; +select(STDERR); + +chop(my $name = `hostname || uname -n`); + +(my $hostname, my $aliases, my $type, my $len, undef) = gethostbyname($name); + +my $usage = "Usage: $PROGRAM_NAME [-v] host [args]"; +getopts('v'); +my $verbose = $opt_v; +my $server = shift(@ARGV); +my @hosts = @ARGV; +die $usage unless $server; +my @cwfiles = (); +my $alarm_action = ""; + +if (!@hosts) { + push(@hosts, $hostname); + + open(CF, "){ + # look for a line starting with "Fw" + if (/^Fw.*$/) { + my $cwfile = $ARG; + chop($cwfile); + my $optional = /^Fw-o/; + # extract the file name + $cwfile =~ s,^Fw[^/]*,,; + + # strip the options after the filename + $cwfile =~ s/ [^ ]+$//; + + if (-r $cwfile) { + push (@cwfiles, $cwfile); + } else { + die "$cwfile is not readable" unless $optional; + } + } + # look for a line starting with "Cw" + if (/^Cw(.*)$/) { + my @cws = split (' ', $1); + while (@cws) { + my $thishost = shift(@cws); + push(@hosts, $thishost) + unless $thishost =~ "$hostname|localhost"; + } + } + } + close(CF); + + for my $cwfile (@cwfiles) { + if (open(CW, "<$cwfile")) { + while () { + next if /^\#/; + my $thishost = $ARG; + chop($thishost); + push(@hosts, $thishost) + unless $thishost =~ $hostname; + } + close(CW); + } else { + die "open $cwfile: $ERRNO"; + } + } +} + +($name, $aliases, my $proto) = getprotobyname('tcp'); +($name, $aliases, $port) = getservbyname($port, 'tcp') + unless $port =~ /^\d+/; + +# look it up + +($name, $aliases, $type, $len, my $thataddr) = gethostbyname($server); +(!defined($name)) && die "gethostbyname failed, unknown host $server"; + +# get a connection +my $that = pack($sockaddr, &AF_INET, $port, $thataddr); +socket(S, &AF_INET, &SOCK_STREAM, $proto) + || die "socket: $ERRNO"; +print "server = $server\n" if (defined($verbose)); +&alarm("connect to $server"); +if (! connect(S, $that)) { + die "cannot connect to $server: $ERRNO\n"; +} +alarm(0); +select((select(S), $OUTPUT_AUTOFLUSH = 1)[0]); # don't buffer output to S + +# read the greeting +&alarm("greeting with $server"); +while () { + alarm(0); + print if $verbose; + if (/^(\d+)([- ])/) { + # SMTP's initial greeting response code is 220. + if ($1 != 220) { + &alarm("giving up after bad response from $server"); + &read_response($2, $verbose); + alarm(0); + print STDERR "$server: NOT 220 greeting: $ARG" + if ($verbose); + } + last if ($2 eq " "); + } else { + print STDERR "$server: NOT 220 greeting: $ARG" + if ($verbose); + close(S); + } + &alarm("greeting with $server"); +} +alarm(0); + +&alarm("sending ehlo to $server"); +&ps("ehlo $hostname"); +my $etrn_support = 0; +while () { + if (/^250([- ])ETRN(.+)$/) { + $etrn_support = 1; + } + print if $verbose; + last if /^\d+ /; +} +alarm(0); + +if ($etrn_support) { + print "ETRN supported\n" if ($verbose); + &alarm("sending etrn to $server"); + while (@hosts) { + $server = shift(@hosts); + &ps("etrn $server"); + while () { + print if $verbose; + last if /^\d+ /; + } + sleep(1); + } +} else { + print "\nETRN not supported\n\n" +} + +&alarm("sending 'quit' to $server"); +&ps("quit"); +while () { + print if $verbose; + last if /^\d+ /; +} +close(S); +alarm(0); + +select(STDOUT); +exit(0); + +# print to the server (also to stdout, if -v) +sub ps +{ + my ($p) = @_; + print ">>> $p\n" if $verbose; + print S "$p\n"; +} + +sub alarm +{ + ($alarm_action) = @_; + alarm(10); + $SIG{ALRM} = 'handle_alarm'; +} + +sub handle_alarm +{ + &giveup($alarm_action); +} + +sub giveup +{ + my $reason = @_; + (my $pk, my $file, my $line); + ($pk, $file, $line) = caller; + + print "Timed out during $reason\n" if $verbose; + exit(1); +} + +# read the rest of the current smtp daemon's response (and toss it away) +sub read_response +{ + (my $done, $verbose) = @_; + (my @resp); + print my $s if $verbose; + while (($done eq "-") && ($s = ) && ($s =~ /^\d+([- ])/)) { + print $s if $verbose; + $done = $1; + push(@resp, $s); + } + return @resp; +} diff --git a/contrib/sendmail-8.13.4/contrib/expn.pl b/contrib/sendmail-8.13.4/contrib/expn.pl new file mode 100755 index 0000000000..85de08a7f4 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/expn.pl @@ -0,0 +1,1360 @@ +#!/usr/bin/perl +'di '; +'ds 00 \\"'; +'ig 00 '; +# +# THIS PROGRAM IS ITS OWN MANUAL PAGE. INSTALL IN man & bin. +# + +use 5.001; +use IO::Socket; +use Fcntl; + +# system requirements: +# must have 'nslookup' and 'hostname' programs. + +# $OrigHeader: /home/muir/bin/RCS/expn,v 3.11 1997/09/10 08:14:02 muir Exp muir $ + +# TODO: +# less magic should apply to command-line addresses +# less magic should apply to local addresses +# add magic to deal with cross-domain cnames +# disconnect & reconnect after 25 commands to the same sendmail 8.8.* host + +# Checklist: (hard addresses) +# 250 Kimmo Suominen <"|/usr/local/mh/lib/slocal -user kim"@grendel.tac.nyc.ny.us> +# harry@hofmann.cs.Berkeley.EDU -> harry@tenet (.berkeley.edu) [dead] +# bks@cs.berkeley.edu -> shiva.CS (.berkeley.edu) [dead] +# dan@tc.cornell.edu -> brown@tiberius (.tc.cornell.edu) + +############################################################################# +# +# Copyright (c) 1993 David Muir Sharnoff +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the David Muir Sharnoff. +# 4. The name of David Sharnoff may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE DAVID MUIR SHARNOFF ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL DAVID MUIR SHARNOFF BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# This copyright notice derrived from material copyrighted by the Regents +# of the University of California. +# +# Contributions accepted. +# +############################################################################# + +# overall structure: +# in an effort to not trace each address individually, but rather +# ask each server in turn a whole bunch of questions, addresses to +# be expanded are queued up. +# +# This means that all accounting w.r.t. an address must be stored in +# various arrays. Generally these arrays are indexed by the +# string "$addr *** $server" where $addr is the address to be +# expanded "foo" or maybe "foo@bar" and $server is the hostname +# of the SMTP server to contact. +# + +# important global variables: +# +# @hosts : list of servers still to be contacted +# $server : name of the current we are currently looking at +# @users = $users{@hosts[0]} : addresses to expand at this server +# $u = $users[0] : the current address being expanded +# $names{"$users[0] *** $server"} : the 'name' associated with the address +# $mxbacktrace{"$users[0] *** $server"} : record of mx expansion +# $mx_secondary{$server} : other mx relays at the same priority +# $domainify_fallback{"$users[0] *** $server"} : alternative names to try +# instead of $server if $server doesn't work +# $temporary_redirect{"$users[0] *** $server"} : when trying alternates, +# temporarily channel all tries along current path +# $giveup{$server} : do not bother expanding addresses at $server +# $verbose : -v +# $watch : -w +# $vw : -v or -w +# $debug : -d +# $valid : -a +# $levels : -1 +# $S : the socket connection to $server + +$have_nslookup = 1; # we have the nslookup program +$port = 'smtp'; +$av0 = $0; +$ENV{'PATH'} .= ":/usr/etc" unless $ENV{'PATH'} =~ m,/usr/etc,; +$ENV{'PATH'} .= ":/usr/ucb" unless $ENV{'PATH'} =~ m,/usr/ucb,; +select(STDERR); + +$0 = "$av0 - running hostname"; +chop($name = `hostname || uname -n`); + +$0 = "$av0 - lookup host FQDN and IP addr"; +($hostname,$aliases,$type,$len,$thisaddr) = gethostbyname($name); + +$0 = "$av0 - parsing args"; +$usage = "Usage: $av0 [-1avwd] user[\@host] [user2[host2] ...]"; +for $a (@ARGV) { + die $usage if $a eq "-"; + while ($a =~ s/^(-.*)([1avwd])/$1/) { + eval '$'."flag_$2 += 1"; + } + next if $a eq "-"; + die $usage if $a =~ /^-/; + &expn(&parse($a,$hostname,undef,1)); +} +$verbose = $flag_v; +$watch = $flag_w; +$vw = $flag_v + $flag_w; +$debug = $flag_d; +$valid = $flag_a; +$levels = $flag_1; + +die $usage unless @hosts; +if ($valid) { + if ($valid == 1) { + $validRequirement = 0.8; + } elsif ($valid == 2) { + $validRequirement = 1.0; + } elsif ($valid == 3) { + $validRequirement = 0.9; + } else { + $validRequirement = (1 - (1/($valid-3))); + print "validRequirement = $validRequirement\n" if $debug; + } +} + +HOST: +while (@hosts) { + $server = shift(@hosts); + @users = split(' ',$users{$server}); + delete $users{$server}; + + # is this server already known to be bad? + $0 = "$av0 - looking up $server"; + if ($giveup{$server}) { + &giveup('mx domainify',$giveup{$server}); + next; + } + + # do we already have an mx record for this host? + next HOST if &mxredirect($server,*users); + + # look it up, or try for an mx. + $0 = "$av0 - gethostbyname($server)"; + + ($name,$aliases,$type,$len,$thataddr) = gethostbyname($server); + # if we can't get an A record, try for an MX record. + unless($thataddr) { + &mxlookup(1,$server,"$server: could not resolve name",*users); + next HOST; + } + + # get a connection, or look for an mx + $0 = "$av0 - socket to $server"; + + $S = new IO::Socket::INET ( + 'PeerAddr' => $server, + 'PeerPort' => $port, + 'Proto' => 'tcp'); + + if (! $S || ($debug == 10 && $server =~ /relay\d.UU.NET$/i)) { + $0 = "$av0 - $server: could not connect: $!\n"; + $emsg = $!; + unless (&mxlookup(0,$server,"$server: could not connect: $!",*users)) { + &giveup('mx',"$server: Could not connect: $emsg"); + } + next HOST; + } + $S->autoflush(1); + + # read the greeting + $0 = "$av0 - talking to $server"; + &alarm("greeting with $server",''); + while(<$S>) { + alarm(0); + print if $watch; + if (/^(\d+)([- ])/) { + if ($1 != 220) { + $0 = "$av0 - bad numeric response from $server"; + &alarm("giving up after bad response from $server",''); + &read_response($2,$watch); + alarm(0); + print STDERR "$server: NOT 220 greeting: $_" + if ($debug || $vw); + if (&mxlookup(0,$server,"$server: did not respond with a 220 greeting",*users)) { + close($S); + next HOST; + } + } + last if ($2 eq " "); + } else { + $0 = "$av0 - bad response from $server"; + print STDERR "$server: NOT 220 greeting: $_" + if ($debug || $vw); + unless (&mxlookup(0,$server,"$server: did not respond with SMTP codes",*users)) { + &giveup('',"$server: did not talk SMTP"); + } + close($S); + next HOST; + } + &alarm("greeting with $server",''); + } + alarm(0); + + # if this causes problems, remove it + $0 = "$av0 - sending helo to $server"; + &alarm("sending helo to $server",""); + &ps("helo $hostname"); + while(<$S>) { + print if $watch; + last if /^\d+ /; + } + alarm(0); + + # try the users, one by one + USER: + while(@users) { + $u = shift(@users); + $0 = "$av0 - expanding $u [\@$server]"; + + # do we already have a name for this user? + $oldname = $names{"$u *** $server"}; + + print &compact($u,$server)." ->\n" if ($verbose && ! $valid); + if ($valid) { + # + # when running with -a, we delay taking any action + # on the results of our query until we have looked + # at the complete output. @toFinal stores expansions + # that will be final if we take them. @toExpn stores + # expnansions that are not final. @isValid keeps + # track of our ability to send mail to each of the + # expansions. + # + @isValid = (); + @toFinal = (); + @toExpn = (); + } + +# ($ecode,@expansion) = &expn_vrfy($u,$server); + (@foo) = &expn_vrfy($u,$server); + ($ecode,@expansion) = @foo; + if ($ecode) { + &giveup('',$ecode,$u); + last USER; + } + + for $s (@expansion) { + $s =~ s/[\n\r]//g; + $0 = "$av0 - parsing $server: $s"; + + $skipwatch = $watch; + + if ($s =~ /^[25]51([- ]).*<(.+)>/) { + print "$s" if $watch; + print "(pretending 250$1<$2>)" if ($debug && $watch); + print "\n" if $watch; + $s = "250$1<$2>"; + $skipwatch = 0; + } + + if ($s =~ /^250([- ])(.+)/) { + print "$s\n" if $skipwatch; + ($done,$addr) = ($1,$2); + ($newhost, $newaddr, $newname) = &parse($addr,$server,$oldname, $#expansion == 0); + print "($newhost, $newaddr, $newname) = &parse($addr, $server, $oldname)\n" if $debug; + if (! $newhost) { + # no expansion is possible w/o a new server to call + if ($valid) { + push(@isValid, &validAddr($newaddr)); + push(@toFinal,$newaddr,$server,$newname); + } else { + &verbose(&final($newaddr,$server,$newname)); + } + } else { + $newmxhost = &mx($newhost,$newaddr); + print "$newmxhost = &mx($newhost)\n" + if ($debug && $newhost ne $newmxhost); + $0 = "$av0 - parsing $newaddr [@$newmxhost]"; + print "levels = $levels, level{$u *** $server} = ".$level{"$u *** $server"}."\n" if ($debug > 1); + # If the new server is the current one, + # it would have expanded things for us + # if it could have. Mx records must be + # followed to compare server names. + # We are also done if the recursion + # count has been exceeded. + if (&trhost($newmxhost) eq &trhost($server) || ($levels && $level{"$u *** $server"} >= $levels)) { + if ($valid) { + push(@isValid, &validAddr($newaddr)); + push(@toFinal,$newaddr,$newmxhost,$newname); + } else { + &verbose(&final($newaddr,$newmxhost,$newname)); + } + } else { + # more work to do... + if ($valid) { + push(@isValid, &validAddr($newaddr)); + push(@toExpn,$newmxhost,$newaddr,$newname,$level{"$u *** $server"}); + } else { + &verbose(&expn($newmxhost,$newaddr,$newname,$level{"$u *** $server"})); + } + } + } + last if ($done eq " "); + next; + } + # 550 is a known code... Should the be + # included in -a output? Might be a bug + # here. Does it matter? Can assume that + # there won't be UNKNOWN USER responses + # mixed with valid users? + if ($s =~ /^(550)([- ])/) { + if ($valid) { + print STDERR "\@$server:$u ($oldname) USER UNKNOWN\n"; + } else { + &verbose(&final($u,$server,$oldname,"USER UNKNOWN")); + } + last if ($2 eq " "); + next; + } + # 553 is a known code... + if ($s =~ /^(553)([- ])/) { + if ($valid) { + print STDERR "\@$server:$u ($oldname) USER AMBIGUOUS\n"; + } else { + &verbose(&final($u,$server,$oldname,"USER AMBIGUOUS")); + } + last if ($2 eq " "); + next; + } + # 252 is a known code... + if ($s =~ /^(252)([- ])/) { + if ($valid) { + print STDERR "\@$server:$u ($oldname) REFUSED TO VRFY\n"; + } else { + &verbose(&final($u,$server,$oldname,"REFUSED TO VRFY")); + } + last if ($2 eq " "); + next; + } + &giveup('',"$server: did not grok '$s'",$u); + last USER; + } + + if ($valid) { + # + # now we decide if we are going to take these + # expansions or roll them back. + # + $avgValid = &average(@isValid); + print "avgValid = $avgValid\n" if $debug; + if ($avgValid >= $validRequirement) { + print &compact($u,$server)." ->\n" if $verbose; + while (@toExpn) { + &verbose(&expn(splice(@toExpn,0,4))); + } + while (@toFinal) { + &verbose(&final(splice(@toFinal,0,3))); + } + } else { + print "Tossing some valid to avoid invalid ".&compact($u,$server)."\n" if ($avgValid > 0.0 && ($vw || $debug)); + print &compact($u,$server)." ->\n" if $verbose; + &verbose(&final($u,$server,$newname)); + } + } + } + + &alarm("sending 'quit' to $server",''); + $0 = "$av0 - sending 'quit' to $server"; + &ps("quit"); + while(<$S>) { + print if $watch; + last if /^\d+ /; + } + close($S); + alarm(0); +} + +$0 = "$av0 - printing final results"; +print "----------\n" if $vw; +select(STDOUT); +for $f (sort @final) { + print "$f\n"; +} +unlink("/tmp/expn$$"); +exit(0); + + +# abandon all attempts deliver to $server +# register the current addresses as the final ones +sub giveup +{ + local($redirect_okay,$reason,$user) = @_; + local($us,@so,$nh,@remaining_users); + local($pk,$file,$line); + ($pk, $file, $line) = caller; + + $0 = "$av0 - giving up on $server: $reason"; + # + # add back a user if we gave up in the middle + # + push(@users,$user) if $user; + # + # don't bother with this system anymore + # + unless ($giveup{$server}) { + $giveup{$server} = $reason; + print STDERR "$reason\n"; + } + print "Giveup at $file:$line!!! redirect okay = $redirect_okay; $reason\n" if $debug; + # + # Wait! + # Before giving up, see if there is a chance that + # there is another host to redirect to! + # (Kids, don't do this at home! Hacking is a dangerous + # crime and you could end up behind bars.) + # + for $u (@users) { + if ($redirect_okay =~ /\bmx\b/) { + next if &try_fallback('mx',$u,*server, + *mx_secondary, + *already_mx_fellback); + } + if ($redirect_okay =~ /\bdomainify\b/) { + next if &try_fallback('domainify',$u,*server, + *domainify_fallback, + *already_domainify_fellback); + } + push(@remaining_users,$u); + } + @users = @remaining_users; + for $u (@users) { + print &compact($u,$server)." ->\n" if ($verbose && $valid && $u); + &verbose(&final($u,$server,$names{"$u *** $server"},$reason)); + } +} +# +# This routine is used only within &giveup. It checks to +# see if we really have to giveup or if there is a second +# chance because we did something before that can be +# backtracked. +# +# %fallback{"$user *** $host"} tracks what is able to fallback +# %fellback{"$user *** $host"} tracks what has fallen back +# +# If there is a valid backtrack, then queue up the new possibility +# +sub try_fallback +{ + local($method,$user,*host,*fall_table,*fellback) = @_; + local($us,$fallhost,$oldhost,$ft,$i); + + if ($debug > 8) { + print "Fallback table $method:\n"; + for $i (sort keys %fall_table) { + print "\t'$i'\t\t'$fall_table{$i}'\n"; + } + print "Fellback table $method:\n"; + for $i (sort keys %fellback) { + print "\t'$i'\t\t'$fellback{$i}'\n"; + } + print "U: $user H: $host\n"; + } + + $us = "$user *** $host"; + if (defined $fellback{$us}) { + # + # Undo a previous fallback so that we can try again + # Nested fallbacks are avoided because they could + # lead to infinite loops + # + $fallhost = $fellback{$us}; + print "Already $method fell back from $us -> \n" if $debug; + $us = "$user *** $fallhost"; + $oldhost = $fallhost; + } elsif (($method eq 'mx') && (defined $mxbacktrace{$us}) && (defined $mx_secondary{$mxbacktrace{$us}})) { + print "Fallback an MX expansion $us -> \n" if $debug; + $oldhost = $mxbacktrace{$us}; + } else { + print "Oldhost($host, $us) = " if $debug; + $oldhost = $host; + } + print "$oldhost\n" if $debug; + if (((defined $fall_table{$us}) && ($ft = $us)) || ((defined $fall_table{$oldhost}) && ($ft = $oldhost))) { + print "$method Fallback = ".$fall_table{$ft}."\n" if $debug; + local(@so,$newhost); + @so = split(' ',$fall_table{$ft}); + $newhost = shift(@so); + print "Falling back ($method) $us -> $newhost (from $oldhost)\n" if $debug; + if ($method eq 'mx') { + if (! defined ($mxbacktrace{"$user *** $newhost"})) { + if (defined $mxbacktrace{"$user *** $oldhost"}) { + print "resetting oldhost $oldhost to the original: " if $debug; + $oldhost = $mxbacktrace{"$user *** $oldhost"}; + print "$oldhost\n" if $debug; + } + $mxbacktrace{"$user *** $newhost"} = $oldhost; + print "mxbacktrace $user *** $newhost -> $oldhost\n" if $debug; + } + $mx{&trhost($oldhost)} = $newhost; + } else { + $temporary_redirect{$us} = $newhost; + } + if (@so) { + print "Can still $method $us: @so\n" if $debug; + $fall_table{$ft} = join(' ',@so); + } else { + print "No more fallbacks for $us\n" if $debug; + delete $fall_table{$ft}; + } + if (defined $create_host_backtrack{$us}) { + $create_host_backtrack{"$user *** $newhost"} + = $create_host_backtrack{$us}; + } + $fellback{"$user *** $newhost"} = $oldhost; + &expn($newhost,$user,$names{$us},$level{$us}); + return 1; + } + delete $temporary_redirect{$us}; + $host = $oldhost; + return 0; +} +# return 1 if you could send mail to the address as is. +sub validAddr +{ + local($addr) = @_; + $res = &do_validAddr($addr); + print "validAddr($addr) = $res\n" if $debug; + $res; +} +sub do_validAddr +{ + local($addr) = @_; + local($urx) = "[-A-Za-z_.0-9+]+"; + + # \u + return 0 if ($addr =~ /^\\/); + # ?@h + return 1 if ($addr =~ /.\@$urx$/); + # @h:? + return 1 if ($addr =~ /^\@$urx\:./); + # h!u + return 1 if ($addr =~ /^$urx!./); + # u + return 1 if ($addr =~ /^$urx$/); + # ? + print "validAddr($addr) = ???\n" if $debug; + return 0; +} +# Some systems use expn and vrfy interchangeably. Some only +# implement one or the other. Some check expn against mailing +# lists and vrfy against users. It doesn't appear to be +# consistent. +# +# So, what do we do? We try everything! +# +# +# Ranking of result codes: good: 250, 251/551, 252, 550, anything else +# +# Ranking of inputs: best: user@host.domain, okay: user +# +# Return value: $error_string, @responses_from_server +sub expn_vrfy +{ + local($u,$server) = @_; + local(@c) = ('expn', 'vrfy'); + local(@try_u) = $u; + local(@ret,$code); + + if (($u =~ /(.+)@(.+)/) && (&trhost($2) eq &trhost($server))) { + push(@try_u,$1); + } + + TRY: + for $c (@c) { + for $try_u (@try_u) { + &alarm("${c}'ing $try_u on $server",'',$u); + &ps("$c $try_u"); + alarm(0); + $s = <$S>; + if ($s eq '') { + return "$server: lost connection"; + } + if ($s !~ /^(\d+)([- ])/) { + return "$server: garbled reply to '$c $try_u'"; + } + if ($1 == 250) { + $code = 250; + @ret = ("",$s); + push(@ret,&read_response($2,$debug)); + return (@ret); + } + if ($1 == 551 || $1 == 251) { + $code = $1; + @ret = ("",$s); + push(@ret,&read_response($2,$debug)); + next; + } + if ($1 == 252 && ($code == 0 || $code == 550)) { + $code = 252; + @ret = ("",$s); + push(@ret,&read_response($2,$watch)); + next; + } + if ($1 == 550 && $code == 0) { + $code = 550; + @ret = ("",$s); + push(@ret,&read_response($2,$watch)); + next; + } + &read_response($2,$watch); + } + } + return "$server: expn/vrfy not implemented" unless @ret; + return @ret; +} +# sometimes the old parse routine (now parse2) didn't +# reject funky addresses. +sub parse +{ + local($oldaddr,$server,$oldname,$one_to_one) = @_; + local($newhost, $newaddr, $newname, $um) = &parse2($oldaddr,$server,$oldname,$one_to_one); + if ($newaddr =~ m,^["/],) { + return (undef, $oldaddr, $newname) if $valid; + return (undef, $um, $newname); + } + return ($newhost, $newaddr, $newname); +} + +# returns ($new_smtp_server,$new_address,$new_name) +# given a response from a SMTP server ($newaddr), the +# current host ($server), the old "name" and a flag that +# indicates if it is being called during the initial +# command line parsing ($parsing_args) +sub parse2 +{ + local($newaddr,$context_host,$old_name,$parsing_args) = @_; + local(@names) = $old_name; + local($urx) = "[-A-Za-z_.0-9+]+"; + local($unmangle); + + # + # first, separate out the address part. + # + + # + # [NAME] + # [NAME] <[(NAME)] ADDR + # ADDR [(NAME)] + # (NAME) ADDR + # [(NAME)] + # + if ($newaddr =~ /^\<(.*)\>$/) { + print "\n" if $debug; + ($newaddr) = &trim($1); + print "na = $newaddr\n" if $debug; + } + if ($newaddr =~ /^([^\<\>]*)\<([^\<\>]*)\>([^\<\>]*)$/) { + # address has a < > pair in it. + print "N:$1 N:$3\n" if $debug; + ($newaddr) = &trim($2); + unshift(@names, &trim($3,$1)); + print "na = $newaddr\n" if $debug; + } + if ($newaddr =~ /^([^\(\)]*)\(([^\(\)]*)\)([^\(\)]*)$/) { + # address has a ( ) pair in it. + print "A:$1 (N:$2) A:$3\n" if $debug; + unshift(@names,&trim($2)); + local($f,$l) = (&trim($1),&trim($3)); + if (($f && $l) || !($f || $l)) { + # address looks like: + # foo (bar) baz or (bar) + # not allowed! + print STDERR "Could not parse $newaddr\n" if $vw; + return(undef,$newaddr,&firstname(@names)); + } + $newaddr = $f if $f; + $newaddr = $l if $l; + print "newaddr now = $newaddr\n" if $debug; + } + # + # @foo:bar + # j%k@l + # a@b + # b!a + # a + # + $unmangle = $newaddr; + if ($newaddr =~ /^\@($urx)\:(.+)$/) { + print "(\@:)" if $debug; + # this is a bit of a cheat, but it seems necessary + return (&domainify($1,$context_host,$2),$2,&firstname(@names),$unmangle); + } + if ($newaddr =~ /^(.+)\@($urx)$/) { + print "(\@)" if $debug; + return (&domainify($2,$context_host,$newaddr),$newaddr,&firstname(@names),$unmangle); + } + if ($parsing_args) { + if ($newaddr =~ /^($urx)\!(.+)$/) { + return (&domainify($1,$context_host,$newaddr),$newaddr,&firstname(@names),$unmangle); + } + if ($newaddr =~ /^($urx)$/) { + return ($context_host,$newaddr,&firstname(@names),$unmangle); + } + print STDERR "Could not parse $newaddr\n"; + } + print "(?)" if $debug; + return(undef,$newaddr,&firstname(@names),$unmangle); +} +# return $u (@$server) unless $u includes reference to $server +sub compact +{ + local($u, $server) = @_; + local($se) = $server; + local($sp); + $se =~ s/(\W)/\\$1/g; + $sp = " (\@$server)"; + if ($u !~ /$se/i) { + return "$u$sp"; + } + return $u; +} +# remove empty (spaces don't count) members from an array +sub trim +{ + local(@v) = @_; + local($v,@r); + for $v (@v) { + $v =~ s/^\s+//; + $v =~ s/\s+$//; + push(@r,$v) if ($v =~ /\S/); + } + return(@r); +} +# using the host part of an address, and the server name, add the +# servers' domain to the address if it doesn't already have a +# domain. Since this sometimes fails, save a back reference so +# it can be unrolled. +sub domainify +{ + local($host,$domain_host,$u) = @_; + local($domain,$newhost); + + # cut of trailing dots + $host =~ s/\.$//; + $domain_host =~ s/\.$//; + + if ($domain_host !~ /\./) { + # + # domain host isn't, keep $host whatever it is + # + print "domainify($host,$domain_host) = $host\n" if $debug; + return $host; + } + + # + # There are several weird situtations that need to be + # accounted for. They have to do with domain relay hosts. + # + # Examples: + # host server "right answer" + # + # shiva.cs cs.berkeley.edu shiva.cs.berkeley.edu + # shiva cs.berkeley.edu shiva.cs.berekley.edu + # cumulus reed.edu @reed.edu:cumulus.uucp + # tiberius tc.cornell.edu tiberius.tc.cornell.edu + # + # The first try must always be to cut the domain part out of + # the server and tack it onto the host. + # + # A reasonable second try is to tack the whole server part onto + # the host and for each possible repeated element, eliminate + # just that part. + # + # These extra "guesses" get put into the %domainify_fallback + # array. They will be used to give addresses a second chance + # in the &giveup routine + # + + local(%fallback); + + local($long); + $long = "$host $domain_host"; + $long =~ tr/A-Z/a-z/; + print "long = $long\n" if $debug; + if ($long =~ s/^([^ ]+\.)([^ ]+) \2(\.[^ ]+\.[^ ]+)/$1$2$3/) { + # matches shiva.cs cs.berkeley.edu and returns shiva.cs.berkeley.edu + print "condensed fallback $host $domain_host -> $long\n" if $debug; + $fallback{$long} = 9; + } + + local($fh); + $fh = $domain_host; + while ($fh =~ /\./) { + print "FALLBACK $host.$fh = 1\n" if $debug > 7; + $fallback{"$host.$fh"} = 1; + $fh =~ s/^[^\.]+\.//; + } + + $fallback{"$host.$domain_host"} = 2; + + ($domain = $domain_host) =~ s/^[^\.]+//; + $fallback{"$host$domain"} = 6 + if ($domain =~ /\./); + + if ($host =~ /\./) { + # + # Host is already okay, but let's look for multiple + # interpretations + # + print "domainify($host,$domain_host) = $host\n" if $debug; + delete $fallback{$host}; + $domainify_fallback{"$u *** $host"} = join(' ',sort {$fallback{$b} <=> $fallback{$a};} keys %fallback) if %fallback; + return $host; + } + + $domain = ".$domain_host" + if ($domain !~ /\..*\./); + $newhost = "$host$domain"; + + $create_host_backtrack{"$u *** $newhost"} = $domain_host; + print "domainify($host,$domain_host) = $newhost\n" if $debug; + delete $fallback{$newhost}; + $domainify_fallback{"$u *** $newhost"} = join(' ',sort {$fallback{$b} <=> $fallback{$a};} keys %fallback) if %fallback; + if ($debug) { + print "fallback = "; + print $domainify_fallback{"$u *** $newhost"} + if defined($domainify_fallback{"$u *** $newhost"}); + print "\n"; + } + return $newhost; +} +# return the first non-empty element of an array +sub firstname +{ + local(@names) = @_; + local($n); + while(@names) { + $n = shift(@names); + return $n if $n =~ /\S/; + } + return undef; +} +# queue up more addresses to expand +sub expn +{ + local($host,$addr,$name,$level) = @_; + if ($host) { + $host = &trhost($host); + + if (($debug > 3) || (defined $giveup{$host})) { + unshift(@hosts,$host) unless $users{$host}; + } else { + push(@hosts,$host) unless $users{$host}; + } + $users{$host} .= " $addr"; + $names{"$addr *** $host"} = $name; + $level{"$addr *** $host"} = $level + 1; + print "expn($host,$addr,$name)\n" if $debug; + return "\t$addr\n"; + } else { + return &final($addr,'NONE',$name); + } +} +# compute the numerical average value of an array +sub average +{ + local(@e) = @_; + return 0 unless @e; + local($e,$sum); + for $e (@e) { + $sum += $e; + } + $sum / @e; +} +# print to the server (also to stdout, if -w) +sub ps +{ + local($p) = @_; + print ">>> $p\n" if $watch; + print $S "$p\n"; +} +# return case-adjusted name for a host (for comparison purposes) +sub trhost +{ + # treat foo.bar as an alias for Foo.BAR + local($host) = @_; + local($trhost) = $host; + $trhost =~ tr/A-Z/a-z/; + if ($trhost{$trhost}) { + $host = $trhost{$trhost}; + } else { + $trhost{$trhost} = $host; + } + $trhost{$trhost}; +} +# re-queue users if an mx record dictates a redirect +# don't allow a user to be redirected more than once +sub mxredirect +{ + local($server,*users) = @_; + local($u,$nserver,@still_there); + + $nserver = &mx($server); + + if (&trhost($nserver) ne &trhost($server)) { + $0 = "$av0 - mx redirect $server -> $nserver\n"; + for $u (@users) { + if (defined $mxbacktrace{"$u *** $nserver"}) { + push(@still_there,$u); + } else { + $mxbacktrace{"$u *** $nserver"} = $server; + print "mxbacktrace{$u *** $nserver} = $server\n" + if ($debug > 1); + &expn($nserver,$u,$names{"$u *** $server"}); + } + } + @users = @still_there; + if (! @users) { + return $nserver; + } else { + return undef; + } + } + return undef; +} +# follow mx records, return a hostname +# also follow temporary redirections comming from &domainify and +# &mxlookup +sub mx +{ + local($h,$u) = @_; + + for (;;) { + if (defined $mx{&trhost($h)} && $h ne $mx{&trhost($h)}) { + $0 = "$av0 - mx expand $h"; + $h = $mx{&trhost($h)}; + return $h; + } + if ($u) { + if (defined $temporary_redirect{"$u *** $h"}) { + $0 = "$av0 - internal redirect $h"; + print "Temporary redirect taken $u *** $h -> " if $debug; + $h = $temporary_redirect{"$u *** $h"}; + print "$h\n" if $debug; + next; + } + $htr = &trhost($h); + if (defined $temporary_redirect{"$u *** $htr"}) { + $0 = "$av0 - internal redirect $h"; + print "temporary redirect taken $u *** $h -> " if $debug; + $h = $temporary_redirect{"$u *** $htr"}; + print "$h\n" if $debug; + next; + } + } + return $h; + } +} +# look up mx records with the name server. +# re-queue expansion requests if possible +# optionally give up on this host. +sub mxlookup +{ + local($lastchance,$server,$giveup,*users) = @_; + local(*T); + local(*NSLOOKUP); + local($nh, $pref,$cpref); + local($o0) = $0; + local($nserver); + local($name,$aliases,$type,$len,$thataddr); + local(%fallback); + + return 1 if &mxredirect($server,*users); + + if ((defined $mx{$server}) || (! $have_nslookup)) { + return 0 unless $lastchance; + &giveup('mx domainify',$giveup); + return 0; + } + + $0 = "$av0 - nslookup of $server"; + sysopen(T,"/tmp/expn$$",O_RDWR|O_CREAT|O_EXCL,0600) || die "open > /tmp/expn$$: $!\n"; + print T "set querytype=MX\n"; + print T "$server\n"; + close(T); + $cpref = 1.0E12; + undef $nserver; + open(NSLOOKUP,"nslookup < /tmp/expn$$ 2>&1 |") || die "open nslookup: $!"; + while() { + print if ($debug > 2); + if (/mail exchanger = ([-A-Za-z_.0-9+]+)/) { + $nh = $1; + if (/preference = (\d+)/) { + $pref = $1; + if ($pref < $cpref) { + $nserver = $nh; + $cpref = $pref; + } elsif ($pref) { + $fallback{$pref} .= " $nh"; + } + } + } + if (/Non-existent domain/) { + # + # These addresss are hosed. Kaput! Dead! + # However, if we created the address in the + # first place then there is a chance of + # salvation. + # + 1 while(); + close(NSLOOKUP); + return 0 unless $lastchance; + &giveup('domainify',"$server: Non-existent domain",undef,1); + return 0; + } + + } + close(NSLOOKUP); + unlink("/tmp/expn$$"); + unless ($nserver) { + $0 = "$o0 - finished mxlookup"; + return 0 unless $lastchance; + &giveup('mx domainify',"$server: Could not resolve address"); + return 0; + } + + # provide fallbacks in case $nserver doesn't work out + if (defined $fallback{$cpref}) { + $mx_secondary{$server} = $fallback{$cpref}; + } + + $0 = "$av0 - gethostbyname($nserver)"; + ($name,$aliases,$type,$len,$thataddr) = gethostbyname($nserver); + + unless ($thataddr) { + $0 = $o0; + return 0 unless $lastchance; + &giveup('mx domainify',"$nserver: could not resolve address"); + return 0; + } + print "MX($server) = $nserver\n" if $debug; + print "$server -> $nserver\n" if $vw && !$debug; + $mx{&trhost($server)} = $nserver; + # redeploy the users + unless (&mxredirect($server,*users)) { + return 0 unless $lastchance; + &giveup('mx domainify',"$nserver: only one level of mx redirect allowed"); + return 0; + } + $0 = "$o0 - finished mxlookup"; + return 1; +} +# if mx expansion did not help to resolve an address +# (ie: foo@bar became @baz:foo@bar, then undo the +# expansion). +# this is only used by &final +sub mxunroll +{ + local(*host,*addr) = @_; + local($r) = 0; + print "looking for mxbacktrace{$addr *** $host}\n" + if ($debug > 1); + while (defined $mxbacktrace{"$addr *** $host"}) { + print "Unrolling MX expnasion: \@$host:$addr -> " + if ($debug || $verbose); + $host = $mxbacktrace{"$addr *** $host"}; + print "\@$host:$addr\n" + if ($debug || $verbose); + $r = 1; + } + return 1 if $r; + $addr = "\@$host:$addr" + if ($host =~ /\./); + return 0; +} +# register a completed expnasion. Make the final address as +# simple as possible. +sub final +{ + local($addr,$host,$name,$error) = @_; + local($he); + local($hb,$hr); + local($au,$ah); + + if ($error =~ /Non-existent domain/) { + # + # If we created the domain, then let's undo the + # damage... + # + if (defined $create_host_backtrack{"$addr *** $host"}) { + while (defined $create_host_backtrack{"$addr *** $host"}) { + print "Un&domainifying($host) = " if $debug; + $host = $create_host_backtrack{"$addr *** $host"}; + print "$host\n" if $debug; + } + $error = "$host: could not locate"; + } else { + # + # If we only want valid addresses, toss out + # bad host names. + # + if ($valid) { + print STDERR "\@$host:$addr ($name) Non-existent domain\n"; + return ""; + } + } + } + + MXUNWIND: { + $0 = "$av0 - final parsing of \@$host:$addr"; + ($he = $host) =~ s/(\W)/\\$1/g; + if ($addr !~ /@/) { + # addr does not contain any host + $addr = "$addr@$host"; + } elsif ($addr !~ /$he/i) { + # if host part really something else, use the something + # else. + if ($addr =~ m/(.*)\@([^\@]+)$/) { + ($au,$ah) = ($1,$2); + print "au = $au ah = $ah\n" if $debug; + if (defined $temporary_redirect{"$addr *** $ah"}) { + $addr = "$au\@".$temporary_redirect{"$addr *** $ah"}; + print "Rewrite! to $addr\n" if $debug; + next MXUNWIND; + } + } + # addr does not contain full host + if ($valid) { + if ($host =~ /^([^\.]+)(\..+)$/) { + # host part has a . in it - foo.bar + ($hb, $hr) = ($1, $2); + if ($addr =~ /\@([^\.\@]+)$/ && ($1 eq $hb)) { + # addr part has not . + # and matches beginning of + # host part -- tack on a + # domain name. + $addr .= $hr; + } else { + &mxunroll(*host,*addr) + && redo MXUNWIND; + } + } else { + &mxunroll(*host,*addr) + && redo MXUNWIND; + } + } else { + $addr = "${addr}[\@$host]" + if ($host =~ /\./); + } + } + } + $name = "$name " if $name; + $error = " $error" if $error; + if ($valid) { + push(@final,"$name<$addr>"); + } else { + push(@final,"$name<$addr>$error"); + } + "\t$name<$addr>$error\n"; +} + +sub alarm +{ + local($alarm_action,$alarm_redirect,$alarm_user) = @_; + alarm(3600); + $SIG{ALRM} = 'handle_alarm'; +} +# this involves one great big ugly hack. +# the "next HOST" unwinds the stack! +sub handle_alarm +{ + &giveup($alarm_redirect,"Timed out during $alarm_action",$alarm_user); + next HOST; +} + +# read the rest of the current smtp daemon's response (and toss it away) +sub read_response +{ + local($done,$watch) = @_; + local(@resp); + print $s if $watch; + while(($done eq "-") && ($s = <$S>) && ($s =~ /^\d+([- ])/)) { + print $s if $watch; + $done = $1; + push(@resp,$s); + } + return @resp; +} +# print args if verbose. Return them in any case +sub verbose +{ + local(@tp) = @_; + print "@tp" if $verbose; +} +# to pass perl -w: +@tp; +$flag_a; +$flag_d; +$flag_1; +%already_domainify_fellback; +%already_mx_fellback; +&handle_alarm; +################### BEGIN PERL/TROFF TRANSITION +.00 ; + +'di +.nr nl 0-1 +.nr % 0 +.\\"'; __END__ +.\" ############## END PERL/TROFF TRANSITION +.TH EXPN 1 "March 11, 1993" +.AT 3 +.SH NAME +expn \- recursively expand mail aliases +.SH SYNOPSIS +.B expn +.RI [ -a ] +.RI [ -v ] +.RI [ -w ] +.RI [ -d ] +.RI [ -1 ] +.IR user [@ hostname ] +.RI [ user [@ hostname ]]... +.SH DESCRIPTION +.B expn +will use the SMTP +.B expn +and +.B vrfy +commands to expand mail aliases. +It will first look up the addresses you provide on the command line. +If those expand into addresses on other systems, it will +connect to the other systems and expand again. It will keep +doing this until no further expansion is possible. +.SH OPTIONS +The default output of +.B expn +can contain many lines which are not valid +email addresses. With the +.I -aa +flag, only expansions that result in legal addresses +are used. Since many mailing lists have an illegal +address or two, the single +.IR -a , +address, flag specifies that a few illegal addresses can +be mixed into the results. More +.I -a +flags vary the ratio. Read the source to track down +the formula. With the +.I -a +option, you should be able to construct a new mailing +list out of an existing one. +.LP +If you wish to limit the number of levels deep that +.B expn +will recurse as it traces addresses, use the +.I -1 +option. For each +.I -1 +another level will be traversed. So, +.I -111 +will traverse no more than three levels deep. +.LP +The normal mode of operation for +.B expn +is to do all of its work silently. +The following options make it more verbose. +It is not necessary to make it verbose to see what it is +doing because as it works, it changes its +.BR argv [0] +variable to reflect its current activity. +To see how it is expanding things, the +.IR -v , +verbose, flag will cause +.B expn +to show each address before +and after translation as it works. +The +.IR -w , +watch, flag will cause +.B expn +to show you its conversations with the mail daemons. +Finally, the +.IR -d , +debug, flag will expose many of the inner workings so that +it is possible to eliminate bugs. +.SH ENVIRONMENT +No environment variables are used. +.SH FILES +.PD 0 +.B /tmp/expn$$ +.B temporary file used as input to +.BR nslookup . +.SH SEE ALSO +.BR aliases (5), +.BR sendmail (8), +.BR nslookup (8), +RFC 823, and RFC 1123. +.SH BUGS +Not all mail daemons will implement +.B expn +or +.BR vrfy . +It is not possible to verify addresses that are served +by such daemons. +.LP +When attempting to connect to a system to verify an address, +.B expn +only tries one IP address. Most mail daemons +will try harder. +.LP +It is assumed that you are running domain names and that +the +.BR nslookup (8) +program is available. If not, +.B expn +will not be able to verify many addresses. It will also pause +for a long time unless you change the code where it says +.I $have_nslookup = 1 +to read +.I $have_nslookup = +.IR 0 . +.LP +Lastly, +.B expn +does not handle every valid address. If you have an example, +please submit a bug report. +.SH CREDITS +In 1986 or so, Jon Broome wrote a program of the same name +that did about the same thing. It has since suffered bit rot +and Jon Broome has dropped off the face of the earth! +(Jon, if you are out there, drop me a line) +.SH AVAILABILITY +The latest version of +.B expn +is available through anonymous ftp at +.IR ftp://ftp.idiom.com/pub/muir-programs/expn . +.SH AUTHOR +.I David Muir Sharnoff\ \ \ \ diff --git a/contrib/sendmail-8.13.4/contrib/link_hash.sh b/contrib/sendmail-8.13.4/contrib/link_hash.sh new file mode 100755 index 0000000000..843c920d62 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/link_hash.sh @@ -0,0 +1,36 @@ +#!/bin/sh +## +## Copyright (c) 2000 Sendmail, Inc. and its suppliers. +## All rights reserved. +## +## $Id: link_hash.sh,v 1.2 2000/04/25 00:12:28 ca Exp $ +## +# +# ln a certificate to its hash +# +SSL=openssl +if test $# -ge 1 +then + for i in $@ + do + C=$i.pem + test -f $C || C=$i + if test -f $C + then + H=`$SSL x509 -noout -hash < $C`.0 + if test -h $H -o -f $H + then + echo link $H to $C exists + else + ln -s $C $H + fi + else + echo "$0: cannot open $C" + exit 2 + fi + done +else + echo "$0: missing name" + exit 1 +fi +exit 0 diff --git a/contrib/sendmail-8.13.4/contrib/mail.local.linux b/contrib/sendmail-8.13.4/contrib/mail.local.linux new file mode 100644 index 0000000000..42d2c3c3d9 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/mail.local.linux @@ -0,0 +1,205 @@ +From: Karl London +Message-Id: <199308111712.SAA05454@borg.demon.co.uk> +Subject: Final port of mail.local to Linux +To: eric@cs.berkeley.edu +Date: Wed, 11 Aug 1993 18:12:27 +0100 (BST) +X-Mailer: ELM [version 2.4 PL21] +MIME-Version: 1.0 +Content-Type: text/plain; charset=US-ASCII +Content-Transfer-Encoding: 7bit +Content-Length: 11415 + +Hi, + Sorry about this.. This is a final version of mail.local for +linux.. + +This is what I would like to see distributed with 8.6 if poss... + +Karl + +-------------- + +begin 600 mail.local.linux.tar.Z +M'YV0;<*D8>."S9LQ8=B\`,"PH<.'$"-*G$BQHL6*(&C`N`$#!@@`($#$N%'# +M(TB1)$V&7,D2A$<0-6C,D$%3QHT8+V/HI$$#9(V+0(,*'4HT8ITY=,+("0E@ +MC5(V122.G>1@7IE$'8<,&A&O8Q,VSA?Z< +M#/C3X7V7(9,&J6LQ=>BD>>,&1!@W9(!P5&]I]#?'&W7(,49O_P4H1H%*5;>= +M'&W,P0((=TR'AG%+97@6@G3$U\8;])F1!D+Z\7>A4KW!`5T;T]$Q'PAPR/&& +M'6F0,>-99B7'&PC;D?=&AFZ<`<(8_-&7HAMSQ,;'%MY(;;^BWX(5GU0<" +M&_7)YB62`$ZW'Y/^`=@FD&\(2:216([!AD!KR?$>:C)8^1N6=-R7WZ'%L?E@ +M6G)(R%T;4)ZI7HTDUB&F@2%DW9J%<)AH@ +MK$$:]"@(D4Z:1J4@L*F&&0\)X=^TA4)I5G0I6$NE,(M6:"19I1A5H)L<2C@ +M'+UYV6=Q!YI!QQTL4IMJL%C",6EUR#:J[,'^C;$&GG>P,5]PV4H97@*[^A(\7$7/ZGCA:>T#:B.K$7_*,<9H:LPOB +MERZ.H=V)C>_7H6MTR-B?BQ36)QU_E\9'!1))3`'"%$\80<4504A1!`BU@P"% +M%$]8D00111`!@A!9@##[[[X?48035-@>A!/*#_$$]5(D(4055#PAA>U@@!&$ +M[;6?<`((UQ,1W_7-%X'%\$5,8;OXP#(6K@`X$3GD`%$/"O"4F@@O_"=Z'GQ2<)^N.?_P`H0.H5$`2Y`T$3 +MBB"%(2!A@$$00A+X1X7FM0\$1LB@$^IG.R/@+PC"ZQT!AU`%)O1.>%60`A2> +M,(4BO,]W(&C@%!08!!`FSTK`A6]>XG +MA=1LCPK=^U[XQK>\W_$OADQP(JY\V$;X13$)OAL"%0Z(/4`609"$',+QP!@$ +M)EQH"E`X9!(:>2'Y%2&$O"%34B$(FVRC+G-8/6OB[WM30"`/LZC!`%8! 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+M4"@-UX1N/`*CF0.NHK9%&*SA`SP"(;JC2\XX9*($`39:Z(:8'L:CO6%.!YE* +M_Q0K_5.O=%)^L8+A(&UI%[$#SD,+*(`J@'!R*L00I$O2K=J(A0DP$*K:T`/\ +M(6+T5.?*%I+"9S&FR)2(,JWZ05M5Z6UUI3EB4G:6SQ):$JAI,2U_ZD25!$)&`L&R.I+A]:Q>J/%Z,.VQQC\%$%)91!QU`UA4-MB! +M&P`"P(/7$U8VXN.IA3)Z8<'#>SRS:#;-JMDURV;;K)M]LW`VSLK9.4MGZZR= +HO;-X-L_JV3W+9_NLG_VS@#;0"MI!2V@+K:$]M(@VT2K:1; Thu, 31 Oct 1996 09:29:47 -0800 (PST) +Received: from austin.bsdi.com (localhost [127.0.0.1]) by austin.bsdi.com (8.7.4/8.7.3) with ESMTP id KAA19250; Thu, 31 Oct 1996 10:28:18 -0700 (MST) +Message-Id: <199610311728.KAA19250@austin.bsdi.com> +To: Eric Allman +cc: marc@xfree86.org +Subject: Updated mailprio_0_93.shar +From: Tony Sanders +Organization: Berkeley Software Design, Inc. +Date: Thu, 31 Oct 1996 10:28:14 -0700 +Sender: sanders@austin.bsdi.com + +Eric, please update contrib/mailprio in the sendmail distribution +to this version at your convenience. Thanks. + +I've also made this available in: + ftp://ftp.earth.com/pub/postmaster/ + +mailprio_0_93.shar follows... + +#!/bin/sh +# This is a shell archive (produced by GNU sharutils 4.1). +# To extract the files from this archive, save it to some FILE, remove +# everything before the `!/bin/sh' line above, then type `sh FILE'. +# +# Made on 1996-10-31 10:07 MST by . +# +# Existing files will *not* be overwritten unless `-c' is specified. +# +# This shar contains: +# length mode name +# ------ ---------- ------------------------------------------ +# 8260 -rwxr-xr-x mailprio +# 3402 -rw-r--r-- mailprio.README +# 4182 -rwxr-xr-x mailprio_mkdb +# +touch -am 1231235999 $$.touch >/dev/null 2>&1 +if test ! -f 1231235999 && test -f $$.touch; then + shar_touch=touch +else + shar_touch=: + echo + echo 'WARNING: not restoring timestamps. Consider getting and' + echo "installing GNU \`touch', distributed in GNU File Utilities..." + echo +fi +rm -f 1231235999 $$.touch +# +# ============= mailprio ============== +if test -f 'mailprio' && test X"$1" != X"-c"; then + echo 'x - skipping mailprio (file already exists)' +else + echo 'x - extracting mailprio (text)' + sed 's/^X//' << 'SHAR_EOF' > 'mailprio' && +#!/usr/bin/perl +# +# mailprio,v 1.4 1996/10/31 17:03:52 sanders Exp +# Version 0.93 -- Thu Oct 31 09:42:25 MST 1996 +# +# mailprio -- setup mail priorities for a mailing list +# +# Copyright 1994, 1996, Tony Sanders +# Rights are hereby granted to download, use, modify, sell, copy, and +# redistribute this software so long as the original copyright notice +# and this list of conditions remain intact and modified versions are +# noted as such. +# +# I would also very much appreciate it if you could send me a copy of +# any changes you make so I can possibly integrate them into my version. +# +# Options: +# -p priority_database -- Specify database to use if not default +# -q -- Process sendmail V8.8.X queue format files +# +# Sort mailing lists or sendmail queue files by mailprio database. +# Files listed on the command line are locked and then sorted in place, in +# the absence of any file arguments it will read STDIN and write STDOUT. +# +# Examples: +# mailprio < mailing-list > sorted_list +# mailprio mailing-list1 mailing-list2 mailing-list3 ... +# mailprio -q /var/spool/mqueue/qf* +# To double check results: +# sort sorted_list > checkit; sort orig-mailing-list | diff - checkit +# +# To get the maximum value from a transaction delay based priority +# function you need to reorder the distribution list (and the mail +# queue files for that matter) fairly often; you could even have +# your mailing list software reorder the list before each outgoing +# message. +# +$usage = "Usage: mailprio [-p priodb] [-q] [mailinglists ...]\n"; +$home = "/home/sanders/lists"; +$priodb = "$home/mailprio"; +$locking = "flock"; # "flock" or "fcntl" +X +# In shell, it would go more or less like this: +# old_mailprio > /tmp/a +# fgrep -f lists/inet-access /tmp/a | sed -e 's/^.......//' > /tmp/b +# ; /tmp/b contains list of known users, faster delivery first +# fgrep -v -f /tmp/b lists/inet-access > /tmp/c +# ; put all unknown stuff at the top of new list for now +# echo '# -----' >> /tmp/c +# cat /tmp/b >> /tmp/c +X +$qflag = 0; +while ($main'ARGV[0] =~ /^-/) { +X $args = shift; +X if ($args =~ m/\?/) { print $usage; exit 0; } +X if ($args =~ m/q/) { $qflag = 1; } +X if ($args =~ m/p/) { +X $priodb = shift || die $usage, "-p requires argument\n"; } +} +X +push(@main'ARGV, '-') if ($#ARGV < 0); +while ($file = shift @ARGV) { +X if ($file eq "-") { +X $source = "main'STDIN"; +X $sink = "main'STDOUT"; +X } else { +X $sink = $source = "FH"; +X open($source, "+< $file") || do { warn "$file: $!\n"; next; }; +X if (!defined &seize($source, &LOCK_EX | &LOCK_NB)) { +X # couldn't get lock, just skip it +X close($source); +X next; +X } +X } +X +X local(*list); +X &process($source, *list); +X +X # setup to write output +X if ($file ne "-") { +X # zero the file (FH is hardcoded because truncate requires it, sigh) +X seek(FH, 0, 0) || die "$file: seek: $!\n"; +X truncate(FH, 0) || die "$file: truncate: $!\n"; +X } +X +X # do the dirty work +X &output($sink, *list); +X +X close($sink) || warn "$file: $!\n"; # close clears the lock +X close($source); +} +X +sub process { +X # Setup %list and @list +X local($source, *list) = @_; +X local($addr, $canon); +X while ($addr = <$source>) { +X chop $addr; +X next if $addr =~ /^# ----- /; # that's our line +X push(@list, $addr), next if $addr =~ /^\s*#/; # save comments +X if ($qflag) { +X next if $addr =~ m/^\./; +X push(@list, $addr), next if !($addr =~ s/^(R[^:]*:)//); +X $Rflags = $1; +X } +X $canon = &canonicalize((&simplify_address($addr))[0]); +X unless (defined $canon) { +X warn "$file: no address found: $addr\n"; +X push(@list, ($qflag?$Rflags:'') . $addr); # save it as is +X next; +X } +X if (defined $list{$canon}) { +X warn "$file: duplicate: ``$addr -> $canon''\n"; +X push(@list, ($qflag?$Rflags:'') . $addr); # save it as is +X next; +X } +X $list{$canon} = $addr; +X } +} +X +sub output { +X local($sink, *list) = @_; +X +X local($to, *prio, *userprio, *useracct); +X dbmopen(%prio, $priodb, 0644) || die "$priodb: $!\n"; +X foreach $to (keys %list) { +X if (defined $prio{$to}) { +X # add to list of found users (%userprio) and remove from %list +X # so that we know what users were not yet prioritized +X $userprio{$to} = $prio{$to}; # priority +X $useracct{$to} = $list{$to}; # string +X delete $list{$to}; +X } +X } +X dbmclose(%prio); +X +X # Put all the junk we found at the very top +X # (this might not always be a feature) +X print $sink join("\n", @list), "\n" if int(@list); +X +X # prioritized list of users +X if (int(keys %userprio)) { +X print $sink '# ----- prioritized users', "\n" unless $qflag; +X foreach $to (sort by_userprio keys %userprio) { +X die "Opps! Something is seriously wrong with useracct: $to\n" +X unless defined $useracct{$to}; +X print $sink 'RFD:' if $qflag; +X print $sink $useracct{$to}, "\n"; +X } +X } +X +X # unprioritized users go last, fast accounts will get moved up eventually +X # XXX: should go before the "really slow" prioritized users? +X if (int(keys %list)) { +X print $sink '# ----- unprioritized users', "\n" unless $qflag; +X foreach $to (keys %list) { +X print $sink 'RFD:' if $qflag; +X print $sink $list{$to}, "\n"; +X } +X } +X +X print $sink ".\n" if $qflag; +} +X +sub by_userprio { +X # sort first by priority, then by key. +X $userprio{$a} <=> $userprio{$b} || $a cmp $b; +} +X +# REPL-LIB --------------------------------------------------------------- +X +sub canonicalize { +X local($addr) = @_; +X # lowercase, strip leading/trailing whitespace +X $addr =~ y/A-Z/a-z/; $addr =~ s/^\s+//; $addr =~ s/\s+$//; $addr; +} +X +# @addrs = simplify_address($addr); +sub simplify_address { +X local($_) = shift; +X 1 while s/\([^\(\)]*\)//g; # strip comments +X 1 while s/"[^"]*"//g; # strip comments +X split(/,/); # split into parts +X foreach (@_) { +X 1 while s/.*<(.*)>.*/\1/; +X s/^\s+//; +X s/\s+$//; +X } +X @_; +} +X +### ---- ### +# +# Error codes +# +do 'errno.ph'; +eval 'sub ENOENT {2;}' unless defined &ENOENT; +eval 'sub EINTR {4;}' unless defined &EINTR; +eval 'sub EINVAL {22;}' unless defined &EINVAL; +X +# +# File locking +# +do 'sys/unistd.ph'; +eval 'sub SEEK_SET {0;}' unless defined &SEEK_SET; +X +do 'sys/file.ph'; +eval 'sub LOCK_SH {0x01;}' unless defined &LOCK_SH; +eval 'sub LOCK_EX {0x02;}' unless defined &LOCK_EX; +eval 'sub LOCK_NB {0x04;}' unless defined &LOCK_NB; +eval 'sub LOCK_UN {0x08;}' unless defined &LOCK_UN; +X +do 'fcntl.ph'; +eval 'sub F_GETFD {1;}' unless defined &F_GETFD; +eval 'sub F_SETFD {2;}' unless defined &F_SETFD; +eval 'sub F_GETFL {3;}' unless defined &F_GETFL; +eval 'sub F_SETFL {4;}' unless defined &F_SETFL; +eval 'sub O_NONBLOCK {0x0004;}' unless defined &O_NONBLOCK; +eval 'sub F_SETLK {8;}' unless defined &F_SETLK; # nonblocking +eval 'sub F_SETLKW {9;}' unless defined &F_SETLKW; # lockwait +eval 'sub F_RDLCK {1;}' unless defined &F_RDLCK; +eval 'sub F_UNLCK {2;}' unless defined &F_UNLCK; +eval 'sub F_WRLCK {3;}' unless defined &F_WRLCK; +$s_flock = "sslll"; # struct flock {type, whence, start, len, pid} +X +# return undef on failure +sub seize { +X local ($FH, $lock) = @_; +X local ($ret); +X if ($locking eq "flock") { +X $ret = flock($FH, $lock); +X return ($ret == 0 ? undef : 1); +X } else { +X local ($flock, $type) = 0; +X if ($lock & &LOCK_SH) { $type = &F_RDLCK; } +X elsif ($lock & &LOCK_EX) { $type = &F_WRLCK; } +X elsif ($lock & &LOCK_UN) { $type = &F_UNLCK; } +X else { $! = &EINVAL; return undef; } +X $flock = pack($s_flock, $type, &SEEK_SET, 0, 0, 0); +X $ret = fcntl($FH, ($lock & &LOCK_NB) ? &F_SETLK : &F_SETLKW, $flock); +X return ($ret == -1 ? undef : 1); +X } +} +SHAR_EOF + $shar_touch -am 1031100396 'mailprio' && + chmod 0755 'mailprio' || + echo 'restore of mailprio failed' + shar_count="`wc -c < 'mailprio'`" + test 8260 -eq "$shar_count" || + echo "mailprio: original size 8260, current size $shar_count" +fi +# ============= mailprio.README ============== +if test -f 'mailprio.README' && test X"$1" != X"-c"; then + echo 'x - skipping mailprio.README (file already exists)' +else + echo 'x - extracting mailprio.README (text)' + sed 's/^X//' << 'SHAR_EOF' > 'mailprio.README' && +mailprio README +X +mailprio.README,v 1.2 1996/10/31 17:03:54 sanders Exp +Version 0.93 -- Thu Oct 31 09:42:25 MST 1996 +X +Copyright 1994, 1996, Tony Sanders +Rights are hereby granted to download, use, modify, sell, copy, and +redistribute this software so long as the original copyright notice +and this list of conditions remain intact and modified versions are +noted as such. +X +I would also very much appreciate it if you could send me a copy of +any changes you make so I can possibly integrate them into my version. +X +The current version of this and other related mail tools are available in: +X ftp://ftp.earth.com/pub/postmaster/ +X +Even with the new persistent host status in sendmail V8.8.X this +function can still reduce the lag time distributing mail to a large +group of people. It also makes it a little more likely that everyone +will get mailing list mail in the order sent which can help reduce +duplicate postings. Basically, the goal is to put slow hosts at +the bottom of the list so that as many fast hosts are delivered +as quickly as possible. +X +CONTENTS +======== +X +X mailprio.README -- simple docs +X mailprio -- the address sorter +X mailprio_mkdb -- builds the database for the sorter +X +X +CHANGES +======= +X Version 0.92 +X Initial public release. +X +X Version 0.93 +X Updated to make use of the (somewhat) new xdelay statistic. +X Changed -q flag to support new sendmail queue file format (RFD:). +X Fixed argument parsing bug. +X Fixed bug with database getting "garbage" in it. +X +X +CONFIGURATION +============= +X +X You need to edit each script and ensure proper configuration. +X +X In mailprio check: #!perl path, $home, $priodb, $locking +X +X In mailprio_mkdb check: #!perl path, $home, $priodb, $maillog +X +X +USAGE: mailprio +=============== +X +X Usage: mailprio [-p priodb] [-q] [mailinglists ...] +X -p priority_database -- Specify database to use if not default +X -q -- Process sendmail queue format files +X [USE WITH CAUTION] +X +X Sort mailing lists or sendmail V8 queue files by mailprio database. +X Files listed on the command line are locked and then sorted in place, in +X the absence of any file arguments it will read STDIN and write STDOUT. +X +X Examples: +X mailprio < mailing-list > sorted_list +X mailprio mailing-list1 mailing-list2 mailing-list3 ... +X mailprio -q /var/spool/mqueue/qf* [not recommended] +X To double check results: +X sort sorted_list > checkit; sort orig-mailing-list | diff - checkit +X +X NOTE: +X To get the maximum value from a transaction delay based priority +X function you need to reorder the distribution list (and the mail +X queue files for that matter) fairly often; you could even have +X your mailing list software reorder the list before each outgoing +X message. +X +X +USAGE: mailprio_mkdb +==================== +X +X Usage: mailprio_mkdb [-l maillog] [-p priodb] +X -l maillog -- Specify maillog to process if not default +X -p priority_database -- Specify database to use if not default +X +X Builds the mail priority database using information from the maillog. +X +X Run at least nightly before you rotate the maillog. If you are +X going to run mailprio more often than that then you will need to +X load the current maillog information before that will do any good +X (and to keep from reloading the same information you will need +X some kind of incremental maillog information to load from). +SHAR_EOF + $shar_touch -am 1031100396 'mailprio.README' && + chmod 0644 'mailprio.README' || + echo 'restore of mailprio.README failed' + shar_count="`wc -c < 'mailprio.README'`" + test 3402 -eq "$shar_count" || + echo "mailprio.README: original size 3402, current size $shar_count" +fi +# ============= mailprio_mkdb ============== +if test -f 'mailprio_mkdb' && test X"$1" != X"-c"; then + echo 'x - skipping mailprio_mkdb (file already exists)' +else + echo 'x - extracting mailprio_mkdb (text)' + sed 's/^X//' << 'SHAR_EOF' > 'mailprio_mkdb' && +#!/usr/bin/perl +# +# mailprio_mkdb,v 1.5 1996/10/31 17:03:53 sanders Exp +# Version 0.93 -- Thu Oct 31 09:42:25 MST 1996 +# +# mailprio_mkdb -- make mail priority database based on delay times +# +# Copyright 1994, 1996, Tony Sanders +# Rights are hereby granted to download, use, modify, sell, copy, and +# redistribute this software so long as the original copyright notice +# and this list of conditions remain intact and modified versions are +# noted as such. +# +# I would also very much appreciate it if you could send me a copy of +# any changes you make so I can possibly integrate them into my version. +# +# The average function moves the value around quite rapidly (half-steps) +# which may or may not be a feature. This version uses the new xdelay +# statistic (new as of sendmail V8) which is per transaction. We also +# weight the result based on the overall delay. +# +# Something that might be worth doing for systems that don't support +# xdelay would be to compute an approximation of the transaction delay +# by sorting by messages-id and delay then computing the difference +# between adjacent delay values. +# +# To get the maximum value from a transaction delay based priority +# function you need to reorder the distribution list (and the mail +# queue files for that matter) fairly often; you could even have +# your mailing list software reorder the list before each outgoing +# message. +X +$usage = "Usage: mailprio_mkdb [-l maillog] [-p priodb]\n"; +$home = "/home/sanders/lists"; +$maillog = "/var/log/maillog"; +$priodb = "$home/mailprio"; +X +while ($ARGV[0] =~ /^-/) { +X $args = shift; +X if ($args =~ m/\?/) { print $usage; exit 0; } +X if ($args =~ m/l/) { +X $maillog = shift || die $usage, "-l requires argument\n"; } +X if ($args =~ m/p/) { +X $priodb = shift || die $usage, "-p requires argument\n"; } +} +X +$SIG{'PIPE'} = 'handle_pipe'; +X +# will merge with existing information +dbmopen(%prio, $priodb, 0644) || die "$priodb: $!\n"; +&getlog_stats($maillog, *prio); +dbmclose(%prio); +exit(0); +X +sub handle_pipe { +X dbmclose(%prio); +} +X +sub getlog_stats { +X local($maillog, *stats) = @_; +X local($to, $delay); +X local($h, $m, $s); +X open(MAILLOG, "< $maillog") || die "$maillog: $!\n"; +X while () { +X next unless / to=/ && / stat=/; +X next if / stat=queued/; +X if (/ stat=sent/i) { +X # read delay and xdelay and convert to seconds +X ($delay) = (m/ delay=([^,]*),/); +X next unless $delay; +X ($h, $m, $s) = split(/:/, $delay); +X $delay = ($h * 60 * 60) + ($m * 60) + $s; +X +X ($xdelay) = (m/ xdelay=([^,]*),/); +X next unless $xdelay; +X ($h, $m, $s) = split(/:/, $xdelay); +X $xdelay = ($h * 60 * 60) + ($m * 60) + $s; +X +X # Now weight the delay factor by the transaction delay (xdelay). +X $xdelay /= 300; # [0 - 1(@5 min)] +X $xdelay += 0.5; # [0.5 - 1.5] +X $xdelay = 1.5 if $xdelay > 1.5; # clamp +X $delay *= $xdelay; # weight delay by xdelay +X } +X elsif (/, stat=/) { +X # delivery failure of some sort (i.e. bad) +X $delay = 432000; # force 5 days +X } +X $delay = 1000000 if $delay > 1000000; +X +X # filter the address(es); isn't perfect but is "good enough" +X $to = $_; $to =~ s/^.* to=//; +X 1 while $to =~ s/\([^\(\)]*\)//g; # strip comments +X 1 while $to =~ s/"[^"]*"//g; # strip comments +X $to =~ s/, .*//; # remove other stat info +X foreach $addr (&simplify_address($to)) { +X next unless $addr; +X $addr = &canonicalize($addr); +X $stats{$addr} = $delay unless defined $stats{$addr}; # init +X # pseudo-average in the new delay (half-steps) +X # simple, moving average +X $stats{$addr} = int(($stats{$addr} + $delay) / 2); +X } +X } +X close(MAILLOG); +} +X +# REPL-LIB --------------------------------------------------------------- +X +sub canonicalize { +X local($addr) = @_; +X # lowercase, strip leading/trailing whitespace +X $addr =~ y/A-Z/a-z/; $addr =~ s/^\s+//; $addr =~ s/\s+$//; $addr; +} +X +# @addrs = simplify_address($addr); +sub simplify_address { +X local($_) = shift; +X 1 while s/\([^\(\)]*\)//g; # strip comments +X 1 while s/"[^"]*"//g; # strip comments +X split(/,/); # split into parts +X foreach (@_) { +X 1 while s/.*<(.*)>.*/\1/; +X s/^\s+//; +X s/\s+$//; +X } +X @_; +} +SHAR_EOF + $shar_touch -am 1031100396 'mailprio_mkdb' && + chmod 0755 'mailprio_mkdb' || + echo 'restore of mailprio_mkdb failed' + shar_count="`wc -c < 'mailprio_mkdb'`" + test 4182 -eq "$shar_count" || + echo "mailprio_mkdb: original size 4182, current size $shar_count" +fi +exit 0 diff --git a/contrib/sendmail-8.13.4/contrib/mh.patch b/contrib/sendmail-8.13.4/contrib/mh.patch new file mode 100644 index 0000000000..7b23a5b71d --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/mh.patch @@ -0,0 +1,193 @@ +Message-Id: <199309031900.OAA19417@ignatz.acs.depaul.edu> +To: bug-mh@ics.uci.edu +cc: mh-users@ics.uci.edu, eric@cs.berkeley.edu +Subject: MH-6.8.1/Sendmail 8.X (MH patch) updated +Date: Fri, 03 Sep 1993 14:00:46 -0500 +From: Dave Nelson + + + This patch will fix the "X-auth..." warnings from the newer +Sendmails (8.X) while continuing to work with the old sendmails. + + I think the following patch will make everyone happy. + + 1) Anybody with MH-6.8.1 can install this. It doesn't matter + what version of sendmail you're running. It doesn't matter + if you're not running sendmail (but it won't fix anything + for you). + + 2) No configuration file hacks. If the -client switch is + absent (the default), the new sendmails will get an EHLO + using what LocalName() returns as the hostname. On my systems, + this returns the FQDN. If the EHLO fails with a result between + 500 and 599 and the -client switch is not set, we give up on + sending EHLO/HELO and just go deliver the mail. + + 3) No new configuration options. + + 4) Retains the undocumented -client switch. One warning: it + is possible using the -client switch to cause the old sendmails + to return "I refuse to talk to myself". You could do this under + the old code as well. This will happen if you claim to be the + same system as the sendmail you're sending to is running on. + That's pointless, but possible. If you do this, just like under + the old code, you will get an error. + + 5) If you're running a site with both old and new sendmails, you only + have to build MH once. The code's the same; works with them + both. + + If you decide to install this, make sure that you look the patch +over and that you agree with what it is doing. It works for me, but I +can't test it on every possible combination. Make sure that it works +before you really install it for your users, if any. No promises. + + To install this, save this to a file in the mts/sendmail directory. +Feed it to patch. Patch will ignore the non-patch stuff. You should have +"mts sendmail/smtp" in your configuration file. This works with old and +new sendmails. Using "mts sendmail" will cause the new sendmails to +print an "X-auth..." warning about who owns the process piping the mail +message. I don't know of anyway of getting rid of these. + + mh-config (if necessary), make, make inst-all. + + +I hope this helps people. + +/dcn + +Dave Nelson +Academic Computer Services +DePaul University, Chicago + +*** smail.c Fri Sep 3 11:58:05 1993 +--- smail.c Fri Sep 3 11:57:27 1993 +*************** +*** 239,261 **** + return RP_RPLY; + } + +! if (client && *client) { +! doingEHLO = 1; +! result = smtalk (SM_HELO, "EHLO %s", client); +! doingEHLO = 0; + +! if (500 <= result && result <= 599) + result = smtalk (SM_HELO, "HELO %s", client); +! +! switch (result) { + case 250: +! break; + + default: + (void) sm_end (NOTOK); + return RP_RPLY; + } + } + + #ifndef ZMAILER + if (onex) +--- 239,276 ---- + return RP_RPLY; + } + +! doingEHLO = 1; +! result = smtalk (SM_HELO, "EHLO %s", +! (client && *client) ? client : LocalName()); +! doingEHLO = 0; +! +! switch (result) +! { +! case 250: +! break; + +! default: +! if (!(500 <= result && result <= 599)) +! { +! (void) sm_end (NOTOK); +! return RP_RPLY; +! } +! +! if (client && *client) +! { + result = smtalk (SM_HELO, "HELO %s", client); +! switch (result) +! { + case 250: +! break; + + default: + (void) sm_end (NOTOK); + return RP_RPLY; ++ } + } + } ++ + + #ifndef ZMAILER + if (onex) +*************** +*** 357,380 **** + return RP_RPLY; + } + +! if (client && *client) { +! doingEHLO = 1; +! result = smtalk (SM_HELO, "EHLO %s", client); +! doingEHLO = 0; + +! if (500 <= result && result <= 599) + result = smtalk (SM_HELO, "HELO %s", client); +! +! switch (result) { +! case 250: + break; + +! default: + (void) sm_end (NOTOK); + return RP_RPLY; + } + } +! + send_options: ; + if (watch && EHLOset ("XVRB")) + (void) smtalk (SM_HELO, "VERB on"); +--- 372,409 ---- + return RP_RPLY; + } + +! doingEHLO = 1; +! result = smtalk (SM_HELO, "EHLO %s", +! (client && *client) ? client : LocalName()); +! doingEHLO = 0; +! +! switch (result) +! { +! case 250: +! break; +! +! default: +! if (!(500 <= result && result <= 599)) +! { +! (void) sm_end (NOTOK); +! return RP_RPLY; +! } + +! if (client && *client) +! { + result = smtalk (SM_HELO, "HELO %s", client); +! switch (result) +! { +! case 250: + break; + +! default: + (void) sm_end (NOTOK); + return RP_RPLY; ++ } + } + } +! + send_options: ; + if (watch && EHLOset ("XVRB")) + (void) smtalk (SM_HELO, "VERB on"); diff --git a/contrib/sendmail-8.13.4/contrib/mmuegel b/contrib/sendmail-8.13.4/contrib/mmuegel new file mode 100644 index 0000000000..6db4a45189 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/mmuegel @@ -0,0 +1,2079 @@ +From: "Michael S. Muegel" +Message-Id: <199307280818.AA08111@cssun6.corp.mot.com> +Subject: Re: contributed software +To: eric@cs.berkeley.edu (Eric Allman) +Date: Wed, 28 Jul 1993 03:18:02 -0500 (CDT) +In-Reply-To: <199307221853.LAA04266@mastodon.CS.Berkeley.EDU> from "Eric Allman" at Jul 22, 93 11:53:47 am +X-Mailer: ELM [version 2.4 PL22] +Mime-Version: 1.0 +Content-Type: text/plain; charset=US-ASCII +Content-Transfer-Encoding: 7bit +Content-Length: 69132 + +OK. Here is a new shell archive. + +Cheers, +-Mike + +---- Cut Here and feed the following to sh ---- +#!/bin/sh +# This is a shell archive (produced by shar 3.49) +# To extract the files from this archive, save it to a file, remove +# everything above the "!/bin/sh" line above, and type "sh file_name". +# +# made 07/28/1993 08:13 UTC by mmuegel@mot.com (Michael S. Muegel) +# Source directory /home/ustart/NeXT/src/mail-tools/dist/foo +# +# existing files will NOT be overwritten unless -c is specified +# +# This shar contains: +# length mode name +# ------ ---------- ------------------------------------------ +# 4308 -r--r--r-- README +# 12339 -r--r--r-- libs/date.pl +# 3198 -r--r--r-- libs/elapsed.pl +# 4356 -r--r--r-- libs/mail.pl +# 6908 -r--r--r-- libs/mqueue.pl +# 7024 -r--r--r-- libs/newgetopts.pl +# 4687 -r--r--r-- libs/strings1.pl +# 1609 -r--r--r-- libs/timespec.pl +# 5212 -r--r--r-- man/cqueue.1 +# 2078 -r--r--r-- man/postclip.1 +# 6647 -r-xr-xr-x src/cqueue +# 1836 -r-xr-xr-x src/postclip +# +# ============= README ============== +if test -f 'README' -a X"$1" != X"-c"; then + echo 'x - skipping README (File already exists)' +else +echo 'x - extracting README (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'README' && +------------------------------------------------------------------------------- +Document Revision Control Information: +X mmuegel +X /usr/local/ustart/src/mail-tools/dist/foo/README,v +X 1.1 of 1993/07/28 08:12:53 +------------------------------------------------------------------------------- +X +1. Introduction +--------------- +X +These tools may be of use to those sites using sendmail. Both are written in +Perl. Our site, Mot.COM, receives a ton of mail being a top-level domain +gateway. We have over 24 domains under us. Needless to say, we must have +a robust mail system or my head, and others, would be on the chopping block. +X +2. Description +-------------- +X +The first tool, cqueue, checks the sendmail queue for problems. We use +it to flag problems with subdomain mail servers (and even our own servers +once in a while ;-). We run it via a cron job every hour during the day. +You may find this too frequent, however. +X +The other program, postclip, is used to "filter" non-deliverable NDNs that +get sent to our Postmaster account now and then. This ensures privacy of +e-mail and helps avoid disk problems from huge NDNs. It is different than +a brute force "just keep the header" approach because it tries hard to keep +other parts of the message that look like non-delivery information. +X +Both have been used for some time at our site with no problems. Everything +you need should be in this distribution: source, manual pages, and support +libs. See the manual pages for a complete description of each tool. +X +3. Installation +--------------- +X +No fancy Makefile simply because these tools are all under a large +hierarchy at my site. Installation should be a snap, however. Install +the nroff(1) man(5) manual pages from the man subdirectory to the +appropriate directory on your system. This might be something like +/usr/local/man/man1. +X +Next, install all of the Perl libraries located in the lib subdirectory +to your Perl library area. /usr/local/lib/perl is a good bet. The person +who installed Perl at your site will be able to tell you for sure. +X +Finally, you need to install the programs. Note that cqueue wants to +run setuid root by default. This is because the sendmail queue is normally +only readable by root or some special group. In order to let any user +run this suidperl is used. suidperl allows a Perl program to run with the +privileges of another user. +X +You will have to edit both the cqueue and postclip programs to change +the #! line at the top of each. Just change the pathname to whatever is +appropriate on your system. Note that Larry Wall's fixin program from +the Camel book can also be used to do this. It is very handy. It changes +#! lines by looking at your PATH. +X +If you do not have suidperl on your system change the #! line in cqueue +to reference perl instead of suidperl. +X +You may also wish to change some constants in cqueue. $DEF_QUEUE should be +changed to your queue directory if it is not /usr/spool/mqueue. $DEF_TIME +could be changed easy enough also. It is the time spec for the time duration +after which a mail message will be reported on if the -a option has not been +specified. See the manual page for more information and the format of this +constant (same as the -t argument). Then again, neither of these has to +be changed. Command line options are there to override their default +values. +X +After you have edited the programs as necessary, all that remains is to +install them to some executable directory. Install postclip mode 555 +and cqueue mode 4555 with owner root (if using suidperl) or mode 555 +(if not using suidperl). +X +4. Gripes, Comments, Etc +------------------------ +X +If you start using either of these let me know. I have other mail tools I +will likely post in the future if these prove useful. Also, if you think +something is just plain dumb/wrong/stupid let me know! +X +Cheers, +-Mike +X +-- ++----------------------------------------------------------------------------+ +| Michael S. Muegel | Internet E-Mail: mmuegel@mot.com | +| UNIX Applications Startup Group | Moto Dist E-Mail: X10090 | +| Corporate Information Office | Voice: (708) 576-0507 | +| Motorola | Fax: (708) 576-4153 | ++----------------------------------------------------------------------------+ +SHAR_EOF +chmod 0444 README || +echo 'restore of README failed' +Wc_c="`wc -c < 'README'`" +test 4308 -eq "$Wc_c" || + echo 'README: original size 4308, current size' "$Wc_c" +fi +# ============= libs/date.pl ============== +if test ! -d 'libs'; then + echo 'x - creating directory libs' + mkdir 'libs' +fi +if test -f 'libs/date.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/date.pl (File already exists)' +else +echo 'x - extracting libs/date.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/date.pl' && +;# +;# Name +;# date.pl - Perl emulation of (the output side of) date(1) +;# +;# Synopsis +;# require "date.pl"; +;# $Date = &date(time); +;# $Date = &date(time, $format); +;# +;# Description +;# This package implements the output formatting functions of date(1) in +;# Perl. The format options are based on those supported by Ultrix 4.0 +;# plus a couple of additions from SunOS 4.1.1 and elsewhere: +;# +;# %a abbreviated weekday name - Sun to Sat +;# %A full weekday name - Sunday to Saturday +;# %b abbreviated month name - Jan to Dec +;# %B full month name - January to December +;# %c date and time in local format [+] +;# %C date and time in long local format [+] +;# %d day of month - 01 to 31 +;# %D date as mm/dd/yy +;# %e day of month (space padded) - ` 1' to `31' +;# %E day of month (with suffix: 1st, 2nd, 3rd...) +;# %f month of year (space padded) - ` 1' to `12' +;# %h abbreviated month name - Jan to Dec +;# %H hour - 00 to 23 +;# %i hour (space padded) - ` 1' to `12' +;# %I hour - 01 to 12 +;# %j day of the year (Julian date) - 001 to 366 +;# %k hour (space padded) - ` 0' to `23' +;# %l date in ls(1) format +;# %m month of year - 01 to 12 +;# %M minute - 00 to 59 +;# %n insert a newline character +;# %p ante-meridiem or post-meridiem indicator (AM or PM) +;# %r time in AM/PM notation +;# %R time as HH:MM +;# %S second - 00 to 59 +;# %t insert a tab character +;# %T time as HH:MM:SS +;# %u date/time in date(1) required format +;# %U week number, Sunday as first day of week - 00 to 53 +;# %V date-time in SysV touch format (mmddHHMMyy) +;# %w day of week - 0 (Sunday) to 6 +;# %W week number, Monday as first day of week - 00 to 53 +;# %x date in local format [+] +;# %X time in local format [+] +;# %y last 2 digits of year - 00 to 99 +;# %Y all 4 digits of year ~ 1700 to 2000 odd ? +;# %z time zone from TZ environment variable w/ a trailing space +;# %Z time zone from TZ environment variable +;# %% insert a `%' character +;# %+ insert a `+' character +;# +;# [+]: These may need adjustment to fit local conventions, see below. +;# +;# For the sake of compatibility, a leading `+' in the format +;# specificaiton is removed if present. +;# +;# Remarks +;# This is version 3.4 of date.pl +;# +;# An extension of `ctime.pl' by Waldemar Kebsch (kebsch.pad@nixpbe.UUCP), +;# as modified by Marion Hakanson (hakanson@ogicse.ogi.edu). +;# +;# Unlike date(1), unknown format tags are silently replaced by "". +;# +;# defaultTZ is a blatant hack, but I wanted to be able to get date(1) +;# like behaviour by default and there does'nt seem to be an easy (read +;# portable) way to get the local TZ name back... +;# +;# For a cheap date, try... +;# +;# #!/usr/local/bin/perl +;# require "date.pl"; +;# exit print (&date(time, shift @ARGV) . "\n") ? 0 : 1; +;# +;# This package is redistributable under the same terms as apply to +;# the Perl 4.0 release. See the COPYING file in your Perl kit for +;# more information. +;# +;# Please send any bug reports or comments to tmcgonigal@gallium.com +;# +;# Modification History +;# Nmemonic Version Date Who +;# +;# NONE 1.0 02feb91 Terry McGonigal (tmcgonigal@gallium.com) +;# Created from ctime.pl +;# +;# NONE 2.0 07feb91 tmcgonigal +;# Added some of Marion Hakanson (hakanson@ogicse.ogi.edu)'s ctime.pl +;# TZ handling changes. +;# +;# NONE 2.1 09feb91 tmcgonigal +;# Corrected week number calculations. +;# +;# NONE 2.2 21oct91 tmcgonigal +;# Added ls(1) date format, `%l'. +;# +;# NONE 2.3 06nov91 tmcgonigal +;# Added SysV touch(1) date-time format, `%V' (pretty thin as +;# mnemonics go, I know, but `t' and `T' were both gone already!) +;# +;# NONE 2.4 05jan92 tmcgonigal +;# Corrected slight (cosmetic) problem with %V replacment string +;# +;# NONE 3.0 09jul92 tmcgonigal +;# Fixed a couple of problems with &ls as pointed out by +;# Thomas Richter (richter@ki1.chemie.fu-berlin.de), thanks Thomas! +;# Also added a couple of SunOS 4.1.1 strftime-ish formats, %i and %k +;# for space padded hours (` 1' to `12' and ` 0' to `23' respectivly), +;# and %C for locale long date/time format. Changed &mH to take a +;# pad char parameter to make to evaled code for %i and %k simpler. +;# Added %E for suffixed day-of-month (ie 1st, 3rd, 4th etc). +;# +;# NONE 3.1 16jul92 tmcgonigal +;# Added `%u' format to generate date/time in date(1) required +;# format (ie '%y%m%d%H%M.%S'). +;# +;# NONE 3.2 23jan93 tmcgonigal +;# Added `%f' format to generate space padded month numbers, added +;# `%E' to the header comments, it seems to have been left out (and +;# I'm sure I wanted to use it at some point in the past...). +;# +;# NONE 3.3 03feb93 tmcgonigal +;# Corrected some problems with AM/PM handling pointed out by +;# Michael S. Muegel (mmuegel@mot.com). Thanks Michael, I hope +;# this is the behaviour you were looking for, it seems more +;# correct to me... +;# +;# NONE 3.4 26jul93 tmcgonigal +;# Incorporated some fixes provided by DaviD W. Sanderson +;# (dws@ssec.wisc.edu): February was spelled incorrectly and +;# &wkno() was always using the current year while calculating +;# week numbers, regardless of year implied by the time value +;# passed to &date(). DaviD also contributed an improved &date() +;# test script, thanks DaviD, I appreciate the effort. Finally, +;# changed my mailling address from @gvc.com to @gallium.com +;# to reflect, well, my new address! +;# +;# SccsId = "%W% %E%" +;# +require 'timelocal.pl'; +package date; +X +# Months of the year +@MoY = ('January', 'February', 'March', 'April', 'May', 'June', +X 'July', 'August', 'September','October', 'November', 'December'); +X +# days of the week +@DoW = ('Sunday', 'Monday', 'Tuesday', 'Wednesday', +X 'Thursday', 'Friday', 'Saturday'); +X +# CUSTOMIZE - defaults +$defaultTZ = 'CST'; # time zone (hack!) +$defaultFMT = '%a %h %e %T %z%Y'; # format (ala date(1)) +X +# CUSTOMIZE - `local' formats +$locTF = '%T'; # time (as HH:MM:SS) +$locDF = '%D'; # date (as mm/dd/yy) +$locDTF = '%a %b %d %T %Y'; # date/time (as dow mon dd HH:MM:SS yyyy) +$locLDTF = '%i:%M:%S %p %A %B %E %Y'; # long date/time (as HH:MM:SS a/p day month dom yyyy) +X +# Time zone info +$TZ; # wkno needs this info too +X +# define the known format tags as associative keys with their associated +# replacement strings as values. Each replacement string should be +# an eval-able expresion assigning a value to $rep. These expressions are +# eval-ed, then the value of $rep is substituted into the supplied +# format (if any). +%Tags = ( '%a', q|($rep = $DoW[$wday])=~ s/^(...).*/\1/|, # abbr. weekday name - Sun to Sat +X '%A', q|$rep = $DoW[$wday]|, # full weekday name - Sunday to Saturday +X '%b', q|($rep = $MoY[$mon]) =~ s/^(...).*/\1/|, # abbr. month name - Jan to Dec +X '%B', q|$rep = $MoY[$mon]|, # full month name - January to December +X '%c', q|$rep = $locDTF; 1|, # date/time in local format +X '%C', q|$rep = $locLDTF; 1|, # date/time in local long format +X '%d', q|$rep = &date'pad($mday, 2, "0")|, # day of month - 01 to 31 +X '%D', q|$rep = '%m/%d/%y'|, # date as mm/dd/yy +X '%e', q|$rep = &date'pad($mday, 2, " ")|, # day of month (space padded) ` 1' to `31' +X '%E', q|$rep = &date'dsuf($mday)|, # day of month (w/suffix) `1st' to `31st' +X '%f', q|$rep = &date'pad($mon+1, 2, " ")|, # month of year (space padded) ` 1' to `12' +X '%h', q|$rep = '%b'|, # abbr. month name (same as %b) +X '%H', q|$rep = &date'pad($hour, 2, "0")|, # hour - 00 to 23 +X '%i', q|$rep = &date'ampmH($hour, " ")|, # hour (space padded ` 1' to `12' +X '%I', q|$rep = &date'ampmH($hour, "0")|, # hour - 01 to 12 +X '%j', q|$rep = &date'pad($yday+1, 3, "0")|, # Julian date 001 - 366 +X '%k', q|$rep = &date'pad($hour, 2, " ")|, # hour (space padded) ` 0' to `23' +X '%l', q|$rep = '%b %d ' . &date'ls($year)|, # ls(1) style date +X '%m', q|$rep = &date'pad($mon+1, 2, "0")|, # month of year - 01 to 12 +X '%M', q|$rep = &date'pad($min, 2, "0")|, # minute - 00 to 59 +X '%n', q|$rep = "\n"|, # insert a newline +X '%p', q|$rep = &date'ampmD($hour)|, # insert `AM' or `PM' +X '%r', q|$rep = '%I:%M:%S %p'|, # time in AM/PM notation +X '%R', q|$rep = '%H:%M'|, # time as HH:MM +X '%S', q|$rep = &date'pad($sec, 2, "0")|, # second - 00 to 59 +X '%t', q|$rep = "\t"|, # insert a tab +X '%T', q|$rep = '%H:%M:%S'|, # time as HH:MM:SS +X '%u', q|$rep = '%y%m%d%H%M.%S'|, # daaate/time in date(1) required format +X '%U', q|$rep = &date'wkno($year, $yday, 0)|, # week number (weeks start on Sun) - 00 to 53 +X '%V', q|$rep = '%m%d%H%M%y'|, # SysV touch(1) date-time format (mmddHHMMyy) +X '%w', q|$rep = $wday; 1|, # day of week - Sunday = 0 +X '%W', q|$rep = &date'wkno($year, $yday, 1)|, # week number (weeks start on Mon) - 00 to 53 +X '%x', q|$rep = $locDF; 1|, # date in local format +X '%X', q|$rep = $locTF; 1|, # time in local format +X '%y', q|($rep = $year) =~ s/..(..)/\1/|, # last 2 digits of year - 00 to 99 +X '%Y', q|$rep = "$year"; 1|, # full year ~ 1700 to 2000 odd +X '%z', q|$rep = $TZ eq "" ? "" : "$TZ "|, # time zone from TZ env var (w/trail. space) +X '%Z', q|$rep = $TZ; 1|, # time zone from TZ env. var. +X '%%', q|$rep = '%'; $adv=1|, # insert a `%' +X '%+', q|$rep = '+'| # insert a `+' +); +X +sub main'date { +X local($time, $format) = @_; +X local($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst); +X local($pos, $tag, $rep, $adv) = (0, "", "", 0); +X +X # default to date/ctime format or strip leading `+'... +X if ($format eq "") { +X $format = $defaultFMT; +X } elsif ($format =~ /^\+/) { +X $format = $'; +X } +X +X # Use local time if can't find a TZ in the environment +X $TZ = defined($ENV{'TZ'}) ? $ENV{'TZ'} : $defaultTZ; +X ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = +X &gettime ($TZ, $time); +X +X # Hack to deal with 'PST8PDT' format of TZ +X # Note that this can't deal with all the esoteric forms, but it +X # does recognize the most common: [:]STDoff[DST[off][,rule]] +X if ($TZ =~ /^([^:\d+\-,]{3,})([+-]?\d{1,2}(:\d{1,2}){0,2})([^\d+\-,]{3,})?/) { +X $TZ = $isdst ? $4 : $1; +X } +X +X # watch out in 2070... +X $year += ($year < 70) ? 2000 : 1900; +X +X # now loop throught the supplied format looking for tags... +X while (($pos = index ($format, '%')) != -1) { +X +X # grab the format tag +X $tag = substr($format, $pos, 2); +X $adv = 0; # for `%%' processing +X +X # do we have a replacement string? +X if (defined $Tags{$tag}) { +X +X # trap dead evals... +X if (! eval $Tags{$tag}) { +X print STDERR "date.pl: internal error: eval for $tag failed: $@\n"; +X return ""; +X } +X } else { +X $rep = ""; +X } +X +X # do the substitution +X substr ($format, $pos, 2) =~ s/$tag/$rep/; +X $pos++ if ($adv); +X } +X +X $format; +} +X +# dsuf - add `st', `nd', `rd', `th' to a date (ie 1st, 22nd, 29th) +sub dsuf { +X local ($mday) = @_; +X +X return $mday . 'st' if ($mday =~ m/.*1$/); +X return $mday . 'nd' if ($mday =~ m/.*2$/); +X return $mday . 'rd' if ($mday =~ m/.*3$/); +X return $mday . 'th'; +} +X +# weekno - figure out week number +sub wkno { +X local ($year, $yday, $firstweekday) = @_; +X local ($jan1, @jan1, $wks); +X +X # figure out the `time' value for January 1 of the given year +X $jan1 = &maketime ($TZ, 0, 0, 0, 1, 0, $year-1900); +X +X # figure out what day of the week January 1 was +X @jan1= &gettime ($TZ, $jan1); +X +X # and calculate the week number +X $wks = (($yday + ($jan1[6] - $firstweekday)) + 1)/ 7; +X $wks += (($wks - int($wks) > 0.0) ? 1 : 0); +X +X # supply zero padding +X &pad (int($wks), 2, "0"); +} +X +# ampmH - figure out am/pm (1 - 12) mode hour value, padded with $p (0 or ' ') +sub ampmH { local ($h, $p) = @_; &pad($h>12 ? $h-12 : ($h ? $h : 12), 2, $p); } +X +# ampmD - figure out am/pm designator +sub ampmD { shift @_ >= 12 ? "PM" : "AM"; } +X +# gettime - get the time via {local,gmt}time +sub gettime { ((shift @_) eq 'GMT') ? gmtime(shift @_) : localtime(shift @_); } +X +# maketime - make a time via time{local,gmt} +sub maketime { ((shift @_) eq 'GMT') ? &main'timegm(@_) : &main'timelocal(@_); } +X +# ls - generate the time/year portion of an ls(1) style date +sub ls { +X return ((&gettime ($TZ, time))[5] == @_[0]) ? "%R" : " %Y"; +} +X +# pad - pad $in with leading $pad until lenght $len +sub pad { +X local ($in, $len, $pad) = @_; +X local ($out) = "$in"; +X +X $out = $pad . $out until (length ($out) == $len); +X return $out; +} +X +1; +SHAR_EOF +chmod 0444 libs/date.pl || +echo 'restore of libs/date.pl failed' +Wc_c="`wc -c < 'libs/date.pl'`" +test 12339 -eq "$Wc_c" || + echo 'libs/date.pl: original size 12339, current size' "$Wc_c" +fi +# ============= libs/elapsed.pl ============== +if test -f 'libs/elapsed.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/elapsed.pl (File already exists)' +else +echo 'x - extracting libs/elapsed.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/elapsed.pl' && +;# NAME +;# elapsed.pl - convert seconds to elapsed time format +;# +;# AUTHOR +;# Michael S. Muegel +;# +;# RCS INFORMATION +;# mmuegel +;# /usr/local/ustart/src/mail-tools/dist/foo/libs/elapsed.pl,v +;# 1.1 of 1993/07/28 08:07:19 +X +package elapsed; +X +# Time field types +$DAYS = 1; +$HOURS = 2; +$MINUTES = 3; +$SECONDS = 4; +X +# The array contains four records each with four fields. The fields are, +# in order: +# +# Type Specifies what kind of time field this is. Once of +# $DAYS, $HOURS, $MINUTES, or $SECONDS. +# +# Multiplier Specifies what time field this is via the minimum +# number of seconds this time field may specify. For +# example, the minutes field would be non-zero +# when there are 60 or more seconds. +# +# Separator How to separate this time field from the next +# *greater* field. +# +# Format sprintf() format specifier on how to print this +# time field. +@MULT_AND_SEPS = ($DAYS, 60 * 60 * 24, "+", "%d", +X $HOURS, 60 * 60, ":", "%d", +X $MINUTES, 60, ":", "%02d", +X $SECONDS, 1, "", "%02d" +X ); +X +;############################################################################### +;# Seconds_To_Elapsed +;# +;# Coverts a seconds count to form [d+]h:mm:ss. If $Collapse +;# is true then the result is compacted somewhat. The string returned +;# will be of the form [d+][[h:]mm]:ss. +;# +;# Arguments: +;# $Seconds, $Collapse +;# +;# Examples: +;# &Seconds_To_Elapsed (0, 0) -> 0:00:00 +;# &Seconds_To_Elapsed (0, 1) -> :00 +;# +;# &Seconds_To_Elapsed (119, 0) -> 0:01:59 +;# &Seconds_To_Elapsed (119, 1) -> 01:59 +;# +;# &Seconds_To_Elapsed (3601, 0) -> 1:00:01 +;# &Seconds_To_Elapsed (3601, 1) -> 1:00:01 +;# +;# &Seconds_To_Elapsed (86401, 0) -> 1+0:00:01 +;# &Seconds_To_Elapsed (86401, 1) -> 1+:01 +;# +;# Returns: +;# $Elapsed +;############################################################################### +sub main'Seconds_To_Elapsed +{ +X local ($Seconds, $Collapse) = @_; +X local ($Type, $Multiplier, @Multipliers, $Separator, $DHMS_Used, +X $Elapsed, @Mult_And_Seps, $Print_Field); +X +X $Multiplier = 1; +X @Mult_And_Seps = @MULT_AND_SEPS; +X +X # Keep subtracting the number of seconds corresponding to a time field +X # from the number of seconds passed to the function. +X while (1) +X { +X ($Type, $Multiplier, $Separator, $Format) = splice (@Mult_And_Seps, 0, 4); +X last if (! $Multiplier); +X $Seconds -= $DHMS_Used * $Multiplier +X if ($DHMS_Used = int ($Seconds / $Multiplier)); +X +X # Figure out if we should print this field +X if ($Type == $DAYS) +X { +X $Print_Field = $DHMS_Used; +X } +X +X elsif ($Collapse) +X { +X if ($Type == $HOURS) +X { +X $Print_Field = $DHMS_Used; +X } +X elsif ($Type == $MINUTES) +X { +X $Print_Field = $DHMS_Used || $Printed_Field {$HOURS}; +X } +X else +X { +X $Format = ":%02d" +X if (! $Printed_Field {$MINUTES}); +X $Print_Field = 1; +X }; +X } +X +X else +X { +X $Print_Field = 1; +X }; +X +X $Printed_Field {$Type} = $Print_Field; +X $Elapsed .= sprintf ("$Format%s", $DHMS_Used, $Separator) +X if ($Print_Field); +X }; +X +X return ($Elapsed); +}; +X +1; +SHAR_EOF +chmod 0444 libs/elapsed.pl || +echo 'restore of libs/elapsed.pl failed' +Wc_c="`wc -c < 'libs/elapsed.pl'`" +test 3198 -eq "$Wc_c" || + echo 'libs/elapsed.pl: original size 3198, current size' "$Wc_c" +fi +# ============= libs/mail.pl ============== +if test -f 'libs/mail.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/mail.pl (File already exists)' +else +echo 'x - extracting libs/mail.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/mail.pl' && +;# NAME +;# mail.pl - perl function(s) to handle mail processing +;# +;# AUTHOR +;# Michael S. Muegel (mmuegel@mot.com) +;# +;# RCS INFORMATION +;# mmuegel +;# /usr/local/ustart/src/mail-tools/dist/foo/libs/mail.pl,v 1.1 1993/07/28 08:07:19 mmuegel Exp +X +package mail; +X +# Mailer statement to eval. $Users, $Subject, and $Verbose are substituted +# via eval +$BIN_MAILER = "/usr/ucb/mail \$Verbose -s '\$Subject' \$Users"; +X +# Sendmail command to use when $Use_Sendmail is true. +$SENDMAIL = '/usr/lib/sendmail $Verbose $Users'; +X +;############################################################################### +;# Send_Mail +;# +;# Sends $Message to $Users with a subject of $Subject. If $Message_Is_File +;# is true then $Message is assumed to be a filename pointing to the mail +;# message. This is a new option and thus the backwards-compatible hack. +;# $Users should be a space separated list of mail-ids. +;# +;# If everything went OK $Status will be 1 and $Error_Msg can be ignored; +;# otherwise, $Status will be 0 and $Error_Msg will contain an error message. +;# +;# If $Use_Sendmail is 1 then sendmail is used to send the message. Normally +;# a mailer such as Mail is used. By specifiying this you can include +;# headers in addition to text in either $Message or $Message_Is_File. +;# If either $Message or $Message_Is_File contain a Subject: header then +;# $Subject is ignored; otherwise, a Subject: header is automatically created. +;# Similar to the Subject: header, if a To: header does not exist one +;# is automatically created from the $Users argument. The mail is still +;# sent, however, to the recipients listed in $Users. This is keeping with +;# normal sendmail usage (header vs. envelope). +;# +;# In both bin mailer and sendmail modes $Verbose will turn on verbose mode +;# (normally just sendmail verbose mode output). +;# +;# Arguments: +;# $Users, $Subject, $Message, $Message_Is_File, $Verbose, $Use_Sendmail +;# +;# Returns: +;# $Status, $Error_Msg +;############################################################################### +sub main'Send_Mail +{ +X local ($Users, $Subject, $Message, $Message_Is_File, $Verbose, +X $Use_Sendmail) = @_; +X local ($BIN_MAILER_HANDLE, $Mailer_Command, $Header_Found, %Header_Map, +X $Header_Extra, $Mailer); +X +X # If the message is contained in a file read it in so we can have one +X # consistent interface +X if ($Message_Is_File) +X { +X undef $/; +X $Message_Is_File = 0; +X open (Message) || return (0, "error reading $Message: $!"); +X $Message = ; +X close (Message); +X }; +X +X # If sendmail mode see if we need to add some headers +X if ($Use_Sendmail) +X { +X # Determine if a header block is included in the message and what headers +X # are there +X foreach (split (/\n/, $Message)) +X { +X last if ($_ eq ""); +X $Header_Found = $Header_Map {$1} = 1 if (/^([A-Z]\S*): /); +X }; +X +X # Add some headers? +X if (! $Header_Map {"To"}) +X { +X $Header_Extra .= "To: " . join (", ", $Users) . "\n"; +X }; +X if (($Subject ne "") && (! $Header_Map {"Subject"})) +X { +X $Header_Extra .= "Subject: $Subject\n"; +X }; +X +X # Add the required blank line between header/body if there where no +X # headers to begin with +X if ($Header_Found) +X { +X $Message = "$Header_Extra$Message"; +X } +X else +X { +X $Message = "$Header_Extra\n$Message"; +X }; +X }; +X +X # Get a string that is the mail command +X $Verbose = ($Verbose) ? "-v" : ""; +X $Mailer = ($Use_Sendmail) ? $SENDMAIL : $BIN_MAILER; +X eval "\$Mailer = \"$Mailer\""; +X return (0, "error setting \$Mailer: $@") if ($@); +X +X # need to catch SIGPIPE in case the $Mailer call fails +X $SIG {'PIPE'} = "mail'Cleanup"; +X +X # Open mailer +X return (0, "can not open mail program: $Mailer") if (! open (MAILER, "| $Mailer")); +X +X # Send off the mail! +X print MAILER $Message; +X close (MAILER); +X return (0, "error running mail program: $Mailer") if ($?); +X +X # Everything must have went AOK +X return (1); +}; +X +;############################################################################### +;# Cleanup +;# +;# Simply here so we can catch SIGPIPE and not exit. +;# +;# Globals: +;# None +;# +;# Arguments: +;# None +;# +;# Returns: +;# Nothing exciting +;############################################################################### +sub Cleanup +{ +}; +X +1; +SHAR_EOF +chmod 0444 libs/mail.pl || +echo 'restore of libs/mail.pl failed' +Wc_c="`wc -c < 'libs/mail.pl'`" +test 4356 -eq "$Wc_c" || + echo 'libs/mail.pl: original size 4356, current size' "$Wc_c" +fi +# ============= libs/mqueue.pl ============== +if test -f 'libs/mqueue.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/mqueue.pl (File already exists)' +else +echo 'x - extracting libs/mqueue.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/mqueue.pl' && +;# NAME +;# mqueue.pl - functions to work with the sendmail queue +;# +;# DESCRIPTION +;# Both Get_Queue_IDs and Parse_Control_File are available to get +;# information about the sendmail queue. The cqueue program is a good +;# example of how these functions work. +;# +;# AUTHOR +;# Michael S. Muegel (mmuegel@mot.com) +;# +;# RCS INFORMATION +;# mmuegel +;# /usr/local/ustart/src/mail-tools/dist/foo/libs/mqueue.pl,v +;# 1.1 of 1993/07/28 08:07:19 +X +package mqueue; +X +;############################################################################### +;# Get_Queue_IDs +;# +;# Will figure out the queue IDs in $Queue that have both control and data +;# files. They are returned in @Valid_IDs. Those IDs that have a +;# control file and no data file are saved to the array globbed by +;# *Missing_Control_IDs. Likewise, those IDs that have a data file and no +;# control file are saved to the array globbed by *Missing_Data_IDs. +;# +;# If $Skip_Locked is true they a message that has a lock file is skipped +;# and will not show up in any of the arrays. +;# +;# If everything went AOK then $Status is 1; otherwise, $Status is 0 and +;# $Msg tells what went wrong. +;# +;# Globals: +;# None +;# +;# Arguments: +;# $Queue, $Skip_Locked, *Missing_Control_IDs, *Missing_Data_IDs +;# +;# Returns: +;# $Status, $Msg, @Valid_IDs +;############################################################################### +sub main'Get_Queue_IDs +{ +X local ($Queue, $Skip_Locked, *Missing_Control_IDs, +X *Missing_Data_IDs) = @_; +X local (*QUEUE, @Files, %Lock_IDs, %Data_IDs, %Control_IDs, $_); +X +X # Make sure that the * argument @arrays ar empty +X @Missing_Control_IDs = @Missing_Data_IDs = (); +X +X # Save each data, lock, and queue file in @Files +X opendir (QUEUE, $Queue) || return (0, "error getting directory listing of $Queue"); +X @Files = grep (/^(df|lf|qf)/, readdir (QUEUE)); +X closedir (QUEUE); +X +X # Create indexed list of data and control files. IF $Skip_Locked is true +X # then skip either if there is a lock file present. +X if ($Skip_Locked) +X { +X grep ((s/^lf//) && ($Lock_IDs {$_} = 1), @Files); +X grep ((s/^df//) && (! $Lock_IDs {$_}) && ($Data_IDs {$_} = 1), @Files); +X grep ((s/^qf//) && (! $Lock_IDs {$_}) && ($Control_IDs {$_} = 1), @Files); +X } +X else +X { +X grep ((s/^df//) && ($Data_IDs {$_} = 1), @Files); +X grep ((s/^qf//) && ($Control_IDs {$_} = 1), @Files); +X }; +X +X # Find missing control and data files and remove them from the lists of each +X @Missing_Control_IDs = sort (grep ((! $Control_IDs {$_}) && (delete $Data_IDs {$_}), keys (%Data_IDs))); +X @Missing_Data_IDs = sort (grep ((! $Data_IDs {$_} && (delete $Control_IDs {$_})), keys (%Control_IDs))); +X +X +X # Return the IDs in an appartently random order +X return (1, "", keys (%Control_IDs)); +}; +X +X +;############################################################################### +;# Parse_Control_File +;# +;# Will pase a sendmail queue control file for useful information. See the +;# Sendmail Installtion and Operation Guide (SMM:07) for a complete +;# explanation of each field. +;# +;# The following globbed variables are set (or cleared) by this function: +;# +;# $Sender The sender's address. +;# +;# @Recipients One or more addresses for the recipient of the mail. +;# +;# @Errors_To One or more addresses for addresses to which mail +;# delivery errors should be sent. +;# +;# $Creation_Time The job creation time in time(3) format. That is, +;# seconds since 00:00:00 GMT 1/1/70. +;# +;# $Priority An integer representing the current message priority. +;# This is used to order the queue. Higher numbers mean +;# lower priorities. +;# +;# $Status_Message The status of the mail message. It can contain any +;# text. +;# +;# @Headers Message headers unparsed but in their original order. +;# Headers that span multiple lines are not mucked with, +;# embedded \ns will be evident. +;# +;# In all e-mail addresses bounding <> pairs are stripped. +;# +;# If everything went AOK then $Status is 1. If the message with queue ID +;# $Queue_ID just does not exist anymore -1 is returned. This is very +;# possible and should be allowed for. Otherwise, $Status is 0 and $Msg +;# tells what went wrong. +;# +;# Globals: +;# None +;# +;# Arguments: +;# $Queue, $Queue_ID, *Sender, *Recipients, *Errors_To, *Creation_Time, +;# *Priority, *Status_Message, *Headers +;# +;# Returns: +;# $Status, $Msg +;############################################################################### +sub main'Parse_Control_File +{ +X local ($Queue, $Queue_ID, *Sender, *Recipients, *Errors_To, *Creation_Time, +X *Priority, *Status_Message, *Headers) = @_; +X local (*Control, $_, $Not_Empty); +X +X # Required variables and the associated control. If empty at the end of +X # parsing we return a bad status. +X @REQUIRED_INFO = ('$Creation_Time', 'T', '$Sender', 'S', '@Recipients', 'R', +X '$Priority', 'P'); +X +X # Open up the control file for read +X $Control = "$Queue/qf$Queue_ID"; +X if (! open (Control)) +X { +X return (-1) if ((-x $Queue) && (! -f "$Queue/qf$Queue_ID") && +X (! -f "$Queue/df$Queue_ID")); +X return (0, "error opening $Control for read: $!"); +X }; +X +X # Reset the globbed variables just in case +X $Sender = $Creation_Time = $Priority = $Status_Message = ""; +X @Recipients = @Errors_To = @Headers = (); +X +X # Look for a few things in the control file +X READ: while () +X { +X $Not_Empty = 1; +X chop; +X +X PARSE: +X { +X if (/^T(\d+)$/) +X { +X $Creation_Time = $1; +X } +X elsif (/^S(<)?([^>]+)/) +X { +X $Sender = $2; +X } +X elsif (/^R(<)?([^>]+)/) +X { +X push (@Recipients, $2); +X } +X elsif (/^E(<)?([^>]+)/) +X { +X push (@Errors_To, $2); +X } +X elsif (/^M(.*)/) +X { +X $Status_Message = $1; +X } +X elsif (/^P(\d+)$/) +X { +X $Priority = $1; +X } +X elsif (/^H(.*)/) +X { +X $Header = $1; +X while () +X { +X chop; +X last if (/^[A-Z]/); +X $Header .= "\n$_"; +X }; +X push (@Headers, $Header); +X redo PARSE if ($_); +X last if (eof); +X }; +X }; +X }; +X +X # If the file was empty scream bloody murder +X return (0, "empty control file") if (! $Not_Empty); +X +X # Yell if we could not find a required field +X while (($Var, $Control) = splice (@REQUIRED_INFO, 0, 2)) +X { +X eval "return (0, 'required control field $Control not found') +X if (! $Var)"; +X return (0, "error checking \$Var: $@") if ($@); +X }; +X +X # Everything went AOK +X return (1); +}; +X +1; +SHAR_EOF +chmod 0444 libs/mqueue.pl || +echo 'restore of libs/mqueue.pl failed' +Wc_c="`wc -c < 'libs/mqueue.pl'`" +test 6908 -eq "$Wc_c" || + echo 'libs/mqueue.pl: original size 6908, current size' "$Wc_c" +fi +# ============= libs/newgetopts.pl ============== +if test -f 'libs/newgetopts.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/newgetopts.pl (File already exists)' +else +echo 'x - extracting libs/newgetopts.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/newgetopts.pl' && +;# NAME +;# newgetopts.pl - a better newgetopt (which is a better getopts which is +;# a better getopt ;-) +;# +;# AUTHOR +;# Mike Muegel (mmuegel@mot.com) +;# +;# mmuegel +;# /usr/local/ustart/src/mail-tools/dist/foo/libs/newgetopts.pl,v 1.1 1993/07/28 08:07:19 mmuegel Exp +X +;############################################################################### +;# New_Getopts +;# +;# Does not care about order of switches, options, and arguments like +;# getopts.pl. Thus all non-switches/options will be kept in ARGV even if they +;# are not at the end. If $Pass_Invalid is set all unkown options will be +;# passed back to the caller by keeping them in @ARGV. This is useful when +;# parsing a command line for your script while ignoring options that you +;# may pass to another script. If this is set New_Getopts tries to maintain +;# the switch clustering on the unkown switches. +;# +;# Accepts the special argument -usage to print the Usage string. Also accepts +;# the special option -version which prints the contents of the string +;# $VERSION. $VERSION may or may not have an embeded \n in it. If -usage +;# or -version are specified a status of -1 is returned. Note that the usage +;# option is only accepted if the usage string is not null. +;# +;# $Switches is just like the formal arguemnt of getopts.pl. $Usage is a usage +;# string with or without a trailing \n. *Switch_To_Order is an optional +;# pointer to the name of an associative array which will contain a mapping of +;# switch names to the order in which (if at all) the argument was entered. +;# +;# For example, if @ARGV contains -v, -x, test: +;# +;# $Switch_To_Order {"v"} = 1; +;# $Switch_To_Order {"x"} = 2; +;# +;# Note that in the case of multiple occurances of an option $Switch_To_Order +;# will store each occurance of the argument via a string that emulates +;# an array. This is done by using join ($;, ...). You can retrieve the +;# array by using split (/$;/, ...). +;# +;# *Split_ARGV is an optional pointer to an array which will conatin the +;# original switches along with their values. For the example used above +;# Split_ARGV would contain: +;# +;# @Split_ARGV = ("v", "", "x", "test"); +;# +;# Another exciting ;-) feature that newgetopts has. Along with creating the +;# normal $opt_ scalars for the last value of an argument the list @opt_ is +;# created. It is an array which contains all the values of arguments to the +;# basename of the variable. They are stored in the order which they occured +;# on the command line starting with $[. Note that blank arguments are stored +;# as "". Along with providing support for multiple options on the command +;# line this also provides a method of counting the number of times an option +;# was specified via $#opt_. +;# +;# Automatically resets all $opt_, @opt_, %Switch_To_Order, and @Split_ARGV +;# variables so that New_Getopts may be called more than once from within +;# the same program. Thus, if $opt_v is set upon entry to New_Getopts and +;# -v is not in @ARGV $opt_v will not be set upon exit. +;# +;# Arguments: +;# $Switches, $Usage, $Pass_Invalid, *Switch_To_Order, *Split_ARGV +;# +;# Returns: +;# -1, 0, or 1 depending on status (printed Usage/Version, OK, not OK) +;############################################################################### +sub New_Getopts +{ +X local($taint_argumentative, $Usage, $Pass_Invalid, *Switch_To_Order, +X *Split_ARGV) = @_; +X local(@args,$_,$first,$rest,$errs, @leftovers, @current_leftovers, +X %Switch_Found); +X local($[, $*, $Script_Name, $argumentative); +X +X # Untaint the argument cluster so that we can use this with taintperl +X $taint_argumentative =~ /^(.*)$/; +X $argumentative = $1; +X +X # Clear anything that might still be set from a previous New_Getopts +X # call. +X @Split_ARGV = (); +X +X # Get the basename of the calling script +X ($Script_Name = $0) =~ s/.*\///; +X +X # Make Usage have a trailing \n +X $Usage .= "\n" if ($Usage !~ /\n$/); +X +X @args = split( / */, $argumentative ); +X +X # Clear anything that might still be set from a previous New_Getopts call. +X foreach $first (@args) +X { +X next if ($first eq ":"); +X delete $Switch_Found {$first}; +X delete $Switch_To_Order {$first}; +X eval "undef \@opt_$first; undef \$opt_$first;"; +X }; +X +X while (@ARGV) +X { +X # Let usage through +X if (($ARGV[0] eq "-usage") && ($Usage ne "\n")) +X { +X print $Usage; +X exit (-1); +X } +X +X elsif ($ARGV[0] eq "-version") +X { +X if ($VERSION) +X { +X print $VERSION; +X print "\n" if ($VERSION !~ /\n$/); +X } +X else +X { +X warn "${Script_Name}: no version information available, sorry\n"; +X } +X exit (-1); +X } +X +X elsif (($_ = $ARGV[0]) =~ /^-(.)(.*)/) +X { +X ($first,$rest) = ($1,$2); +X $pos = index($argumentative,$first); +X +X $Switch_To_Order {$first} = join ($;, split (/$;/, $Switch_To_Order {$first}), ++$Order); +X +X if($pos >= $[) +X { +X if($args[$pos+1] eq ':') +X { +X shift(@ARGV); +X if($rest eq '') +X { +X $rest = shift(@ARGV); +X } +X +X eval "\$opt_$first = \$rest;"; +X eval "push (\@opt_$first, \$rest);"; +X push (@Split_ARGV, $first, $rest); +X } +X else +X { +X eval "\$opt_$first = 1"; +X eval "push (\@opt_$first, '');"; +X push (@Split_ARGV, $first, ""); +X +X if($rest eq '') +X { +X shift(@ARGV); +X } +X else +X { +X $ARGV[0] = "-$rest"; +X } +X } +X } +X +X else +X { +X # Save any other switches if $Pass_Valid +X if ($Pass_Invalid) +X { +X push (@current_leftovers, $first); +X } +X else +X { +X warn "${Script_Name}: unknown option: $first\n"; +X ++$errs; +X }; +X if($rest ne '') +X { +X $ARGV[0] = "-$rest"; +X } +X else +X { +X shift(@ARGV); +X } +X } +X } +X +X else +X { +X push (@leftovers, shift (@ARGV)); +X }; +X +X # Save any other switches if $Pass_Valid +X if ((@current_leftovers) && ($rest eq '')) +X { +X push (@leftovers, "-" . join ("", @current_leftovers)); +X @current_leftovers = (); +X }; +X }; +X +X # Automatically print Usage if a warning was given +X @ARGV = @leftovers; +X if ($errs != 0) +X { +X warn $Usage; +X return (0); +X } +X else +X { +X return (1); +X } +X +} +X +1; +SHAR_EOF +chmod 0444 libs/newgetopts.pl || +echo 'restore of libs/newgetopts.pl failed' +Wc_c="`wc -c < 'libs/newgetopts.pl'`" +test 7024 -eq "$Wc_c" || + echo 'libs/newgetopts.pl: original size 7024, current size' "$Wc_c" +fi +# ============= libs/strings1.pl ============== +if test -f 'libs/strings1.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/strings1.pl (File already exists)' +else +echo 'x - extracting libs/strings1.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/strings1.pl' && +;# NAME +;# strings1.pl - FUN with strings #1 +;# +;# NOTES +;# I wrote Format_Text_Block when I just started programming Perl so +;# it is probably not very Perlish code. Center is more like it :-). +;# +;# AUTHOR +;# Michael S. Muegel (mmuegel@mot.com) +;# +;# RCS INFORMATION +;# mmuegel +;# /usr/local/ustart/src/mail-tools/dist/foo/libs/strings1.pl,v 1.1 1993/07/28 08:07:19 mmuegel Exp +X +package strings1; +X +;###############################################################################;# Center +;# +;# Center $Text assuming the output should be $Columns wide. $Text can span +;# multiple lines, of course :-). Lines within $Text that contain only +;# whitespace are not centered and are instead collapsed. This may save time +;# when printing them later. +;# +;# Arguments: +;# $Text, $Columns +;# +;# Returns: +;# $Centered_Text +;############################################################################### +sub main'Center +{ +X local ($_, $Columns) = @_; +X local ($*) = 1; +X +X s@^(.*)$@" " x (($Columns - length ($1)) / 2) . $1@eg; +X s/^[\t ]*$//g; +X return ($_); +}; +X +;############################################################################### +;# Format_Text_Block +;# +;# Formats a text string to be printed to the display or other similar device. +;# Text in $String will be fomratted such that the following hold: +;# +;# + $String contains the (possibly) multi-line text to print. It is +;# automatically word-wrapped to fit in $Columns. +;# +;# + \n'd are maintained and are not folded. +;# +;# + $Offset is pre-pended before each separate line of text. +;# +;# + If $Offset_Once is $TRUE $Offset will only appear on the first line. +;# All other lines will be indented to match the amount of whitespace of +;# $Offset. +;# +;# + If $Bullet_Indent is $TRUE $Offset will only be applied to the begining +;# of lines as they occured in the original $String. Lines that are created +;# by this routine will always be indented by blank spaces. +;# +;# + If $Columns is 0 no word-wrap is done. This might be useful to still +;# to offset each line in a buffer. +;# +;# + If $Split_Expr is supplied the string is split on it. If not supplied +;# the string is split on " \t\/\-\,\." by default. +;# +;# + If $Offset_Blank is $TRUE then empty lines will have $Offset pre-pended +;# to them. Otherwise, they will still empty. +;# +;# This is a realy workhorse routine that I use in many places because of its +;# veratility. +;# +;# Arguments: +;# $String, $Offset, $Offset_Once, $Bullet_Indent, $Columns, $Split_Expr, +;# $Offset_Blank +;# +;# Returns: +;# $Buffer +;############################################################################### +sub main'Format_Text_Block +{ +X local ($String, $Real_Offset, $Offset_Once, $Bullet_Indent, $Columns, +X $Split_Expr, $Offset_Blank) = @_; +X +X local ($New_Line, $Line, $Chars_Per_Line, $Space_Offset, $Buffer, +X $Next_New_Line, $Num_Lines, $Num_Offsets, $Offset); +X local ($*) = 0; +X local ($BLANK_TAG) = "__FORMAT_BLANK__"; +X local ($Blank_Offset) = $Real_Offset if ($Offset_Blank); +X +X # What should we split on? +X $Split_Expr = " \\t\\/\\-\\,\\." if (! $Split_Expr); +X +X # Pre-process the string - convert blank lines to __FORMAT_BLANK__ sequence +X $String =~ s/\n\n/\n$BLANK_TAG\n/g; +X $String =~ s/^\n/$BLANK_TAG\n/g; +X $String =~ s/\n$/\n$BLANK_TAG/g; +X +X # If bad $Columns/$Offset combo or no $Columns make a VERRRYYY wide $Column +X $Offset = $Real_Offset; +X $Chars_Per_Line = 16000 if (($Chars_Per_Line = $Columns - length ($Offset)) <= 0); +X $Space_Offset = " " x length ($Offset); +X +X # Get a buffer +X foreach $Line (split ("\n", $String)) +X { +X $Offset = $Real_Offset if ($Bullet_Indent); +X +X # Find where to split the line +X if ($Line ne $BLANK_TAG) +X { +X $New_Line = ""; +X while ($Line =~ /^([$Split_Expr]*)([^$Split_Expr]+)/) +X { +X if (length ("$New_Line$&") >= $Chars_Per_Line) +X { +X $Next_New_Line = $+; +X $New_Line = "$Offset$New_Line$1"; +X $Buffer .= "\n" if ($Num_Lines++); +X $Buffer .= $New_Line; +X $Offset = $Space_Offset if (($Offset) && ($Offset_Once)); +X $New_Line = $Next_New_Line; +X ++$Num_Lines; +X } +X else +X { +X $New_Line .= $&; +X }; +X $Line = $'; +X }; +X +X $Buffer .= "\n" if ($Num_Lines++); +X $Buffer .= "$Offset$New_Line$Line"; +X $Offset = $Space_Offset if (($Offset) && ($Offset_Once)); +X } +X +X else +X { +X $Buffer .= "\n$Blank_Offset"; +X }; +X }; +X +X return ($Buffer); +X +}; +X +1; +SHAR_EOF +chmod 0444 libs/strings1.pl || +echo 'restore of libs/strings1.pl failed' +Wc_c="`wc -c < 'libs/strings1.pl'`" +test 4687 -eq "$Wc_c" || + echo 'libs/strings1.pl: original size 4687, current size' "$Wc_c" +fi +# ============= libs/timespec.pl ============== +if test -f 'libs/timespec.pl' -a X"$1" != X"-c"; then + echo 'x - skipping libs/timespec.pl (File already exists)' +else +echo 'x - extracting libs/timespec.pl (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'libs/timespec.pl' && +;# NAME +;# timespec.pl - convert a pre-defined time specifyer to seconds +;# +;# AUTHOR +;# Michael S. Muegel (mmuegel@mot.com) +;# +;# RCS INFORMATION +;# mmuegel +;# /usr/local/ustart/src/mail-tools/dist/foo/libs/timespec.pl,v 1.1 1993/07/28 08:07:19 mmuegel Exp +X +package timespec; +X +%TIME_SPEC_TO_SECONDS = ("s", 1, +X "m", 60, +X "h", 60 * 60, +X "d", 60 * 60 * 24 +X ); +X +$VALID_TIME_SPEC_EXPR = "[" . join ("", keys (%TIME_SPEC_TO_SECONDS)) . "]"; +X +;############################################################################### +;# Time_Spec_To_Seconds +;# +;# Converts a string of the form: +;# +;# ((s|m|h|d))+ +;# +;# to seconds. The second part of the time spec specifies seconds, minutes, +;# hours, or days, respectfully. The first part is the number of those untis. +;# There can be any number of such specifiers. As an example, 1h30m means 1 +;# hour and 30 minutes. +;# +;# If the parsing went OK then $Status is 1, $Msg is undefined, and $Seconds +;# is $Time_Spec converted to seconds. If something went wrong then $Status +;# is 0 and $Msg explains what went wrong. +;# +;# Arguments: +;# $Time_Spec +;# +;# Returns: +;# $Status, $Msg, $Seconds +;############################################################################### +sub main'Time_Spec_To_Seconds +{ +X $Time_Spec = $_[0]; +X +X $Seconds = 0; +X while ($Time_Spec =~ /^(\d+)($VALID_TIME_SPEC_EXPR)/) +X { +X $Seconds += $1 * $TIME_SPEC_TO_SECONDS {$2}; +X $Time_Spec = $'; +X }; +X +X return (0, "error parsing time spec: $Time_Spec") if ($Time_Spec ne ""); +X return (1, "", $Seconds); +X +}; +X +X +1; +SHAR_EOF +chmod 0444 libs/timespec.pl || +echo 'restore of libs/timespec.pl failed' +Wc_c="`wc -c < 'libs/timespec.pl'`" +test 1609 -eq "$Wc_c" || + echo 'libs/timespec.pl: original size 1609, current size' "$Wc_c" +fi +# ============= man/cqueue.1 ============== +if test ! -d 'man'; then + echo 'x - creating directory man' + mkdir 'man' +fi +if test -f 'man/cqueue.1' -a X"$1" != X"-c"; then + echo 'x - skipping man/cqueue.1 (File already exists)' +else +echo 'x - extracting man/cqueue.1 (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'man/cqueue.1' && +.TH CQUEUE 1L +\" +\" mmuegel +\" /usr/local/ustart/src/mail-tools/dist/foo/man/cqueue.1,v 1.1 1993/07/28 08:08:25 mmuegel Exp +\" +.ds mp \fBcqueue\fR +.de IB +.IP \(bu 2 +.. +.SH NAME +\*(mp - check sendmail queue for problems +.SH SYNOPSIS +.IP \*(mp 7 +[ \fB-abdms\fR ] [ \fB-q\fR \fIqueue-dir\fI ] [ \fB-t\fR \fItime\fR ] +[ \fB-u\fR \fIusers\fR ] [ \fB-w\fR \fIwidth\fR ] +.SH DESCRIPTION +Reports on problems in the sendmail queue. With no options this simply +means listing messages that have been in the queue longer than a default +period along with a summary of queue mail by host and status message. +.SH OPTIONS +.IP \fB-a\fR 14 +Report on all messages in the queue. This is equivalent to saying \fB-t\fR 0s. +You may like this command so much that you use it as a replacement for +\fBmqueue\fR. For example: +.sp 1 +.RS +.RS +\fBalias mqueue cqueue -a\fR +.RE +.RE +.IP \fB-b\fR 14 +Also report on bogus queue files. Those are files that +have data files and no control files or vice versa. +.IP \fB-d\fR +Print a detailed report of mail messages that have been queued longer than +the specified or default time. Information that is presented includes: +.RS +.RS +.IB +Sendmail queue identifier. +.IB +Date the message was first queued. +.IB +Sender of the message. +.IB +One or more recipients of the message. +.IB +An optional status of the message. This usually indicates why the message +has not been delivered. +.RE +.RE +.IP \fB-m\fR 14 +Mail off the results if any problems were found. +Normaly results are printed to stdout. If this option +is specified they are mailed to one or more users. Results +are not printed to stdout in this case. Results are \fBonly\fR +mailed if \*(mp found something wrong. +.IP "\fB-q\fR \fIqueue-dir\fI" +The sendmail mail queue directory. Default is \fB/usr/spool/mqueue\fR or +some other site configured value. +.IP "\fB-t\fR \fItime\fR" +List messages that have been in the queue longer than +\fItime\fR. Time should of the form: +.sp 1 +.RS +.RS +((s|m|h|d))+ +.sp 1 +.RE +.RE +.RS 14 +The second portion of the above definition +specifies seconds, minutes, hours, or +days, respectfully. The first portion is the number of +those units. There can be any number of such specifiers. +As an example, 1h30m means 1 hour and 30 minutes. +.sp 1 +The default is 2 hours. +.RE +.IP \fB-s\fR 14 +Print a summary of messages that have been queued longer than +the specified or default time. Two separate types of summaries are printed. +The first summarizes the queue messages by destination host. The host name +is gleaned from the recipient addresses for each message. +Thus the actual host names for this summary should be taken with a grain +of salt since ruleset 0 has not been applied to the address the host was +taken from nor were MX records consulted. It would be possible to add +this; however, the execution time of the script would increase +dramatically. The second summary is by status message. +.IP "\fB-u\fR \fIusers\fR" +Specify list of users to send a mail report to other than +the invoker. This option is only valid when \fB-m\fR has been +specified. Multiple recipients may be separated by spaces. +.IP "\fB-w\fR \fIwidth\fR" +Specify the page width to which the output should tailored. \fIwidth\fR +should be an integer representing some character position. The default is +80 or some other site configured value. Output is folded neatly to match +\fIwidth\fR. +.SH EXAMPLES +.nf +% \fBdate\fR +Tue Jan 19 12:07:20 CST 1993 +X +% \fBcqueue -t 21h45m -w 70\fR +X +Summary of messages in queue longer than 21:45:00 by destination +host: +X +X Number of +X Messages Destination Host +X --------- ---------------- +X 2 cigseg.rtsg.mot.com +X 1 mnesouth.corp.mot.com +X --------- +X 3 +X +Summary of messages in queue longer than 21:45:00 by status message: +X +X Number of +X Messages Status Message +X --------- -------------- +X 1 Deferred: Connection refused by mnesouth.corp.mot.com +X 2 Deferred: Host Name Lookup Failure +X --------- +X 3 +X +Detail of messages in queue longer than 21:45:00 sorted by creation +date: +X +X ID: AA20573 +X Date: 02:09:27 PM 01/18/93 +X Sender: melrose-place-owner@ferkel.ucsb.edu +X Recipient: pbaker@cigseg.rtsg.mot.com +X Status: Deferred: Host Name Lookup Failure +X +X ID: AA20757 +X Date: 02:11:30 PM 01/18/93 +X Sender: 90210-owner@ferkel.ucsb.edu +X Recipient: pbaker@cigseg.rtsg.mot.com +X Status: Deferred: Host Name Lookup Failure +X +X ID: AA21110 +X Date: 02:17:01 PM 01/18/93 +X Sender: rd_lap_wg@mdd.comm.mot.com +X Recipient: jim_mathis@mnesouth.corp.mot.com +X Status: Deferred: Connection refused by mnesouth.corp.mot.com +.fi +.SH AUTHOR +.nf +Michael S. Muegel (mmuegel@mot.com) +UNIX Applications Startup Group +Corporate Information Office, Schaumburg, IL +Motorola, Inc. +.fi +.SH COPYRIGHT NOTICE +Copyright 1993, Motorola, Inc. +.sp 1 +Permission to use, copy, modify and distribute without charge this +software, documentation, etc. is granted, provided that this +comment and the author's name is retained. The author nor Motorola assume any +responsibility for problems resulting from the use of this software. +.SH SEE ALSO +.nf +\fBsendmail(8)\fR +\fISendmail Installation and Operation Guide\fR. +.fi +SHAR_EOF +chmod 0444 man/cqueue.1 || +echo 'restore of man/cqueue.1 failed' +Wc_c="`wc -c < 'man/cqueue.1'`" +test 5212 -eq "$Wc_c" || + echo 'man/cqueue.1: original size 5212, current size' "$Wc_c" +fi +# ============= man/postclip.1 ============== +if test -f 'man/postclip.1' -a X"$1" != X"-c"; then + echo 'x - skipping man/postclip.1 (File already exists)' +else +echo 'x - extracting man/postclip.1 (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'man/postclip.1' && +.TH POSTCLIP 1L +\" +\" mmuegel +\" /usr/local/ustart/src/mail-tools/dist/foo/man/postclip.1,v 1.1 1993/07/28 08:08:25 mmuegel Exp +\" +.ds mp \fBpostclip\fR +.SH NAME +\*(mp - send only the headers to Postmaster +.SH SYNOPSIS +\*(mp [ \fB-v\fR ] [ \fIto\fR ... ] +.SH DESCRIPTION +\*(mp will forward non-delivery reports to a postmaster after deleting the body +of the message. This keeps bounced mail private and helps to avoid disk space problems. \*(mp tries its best to keep as much of the header trail as possible. +Hopefully only the original body of the message will be filtered. Only messages +that have a subject that begins with 'Returned mail:' are filtered. This +ensures that other mail is not accidently mucked with. Finally, note that +\fBsendmail\fR is used to deliver the message after it has been (possibly) +filtered. All of the original headers will remain intact. +.sp 1 +You can use this with any \fBsendmail\fR by modifying the Postmaster alias. +If you use IDA \fBsendmail\fR you could add the following to .m4: +.sp 1 +.RS +define(POSTMASTERBOUNCE, mailer-errors) +.RE +.sp 1 +In the aliases file, add a line similar to the following: +.sp 1 +.RS +mailer-errors: "|/usr/local/bin/postclip postmaster" +.RE +.SH OPTIONS +.IP \fB-v\fR +Be verbose about delivery. Probably only useful when debugging \*(mp. +.IP \fIto\fR +A list of one or more e-mail ids to send the modified +Postmaster messages to. If none are specified postmaster +is used. +.SH AUTHOR +.nf +Michael S. Muegel (mmuegel@mot.com) +UNIX Applications Startup Group +Corporate Information Office, Schaumburg, IL +Motorola, Inc. +.fi +.SH CREDITS +The original idea to filter Postmaster mail was taken from a script by +Christopher Davis . +.SH COPYRIGHT NOTICE +Copyright 1992, Motorola, Inc. +.sp 1 +Permission to use, copy, modify and distribute without charge this +software, documentation, etc. is granted, provided that this +comment and the author's name is retained. The author nor Motorola assume any +responsibility for problems resulting from the use of this software. +.SH SEE ALSO +.nf +\fBsendmail(8)\fR +.fi +SHAR_EOF +chmod 0444 man/postclip.1 || +echo 'restore of man/postclip.1 failed' +Wc_c="`wc -c < 'man/postclip.1'`" +test 2078 -eq "$Wc_c" || + echo 'man/postclip.1: original size 2078, current size' "$Wc_c" +fi +# ============= src/cqueue ============== +if test ! -d 'src'; then + echo 'x - creating directory src' + mkdir 'src' +fi +if test -f 'src/cqueue' -a X"$1" != X"-c"; then + echo 'x - skipping src/cqueue (File already exists)' +else +echo 'x - extracting src/cqueue (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'src/cqueue' && +#!/usr/local/ustart/bin/suidperl +X +# NAME +# cqueue - check sendmail queue for problems +# +# SYNOPSIS +# Type cqueue -usage +# +# AUTHOR +# Michael S. Muegel +# +# RCS INFORMATION +# mmuegel +# /usr/local/ustart/src/mail-tools/dist/foo/src/cqueue,v 1.1 1993/07/28 08:09:02 mmuegel Exp +X +# So that date.pl does not yell (Domain/OS version does a ``) +$ENV{'PATH'} = ""; +X +# A better getopts routine +require "newgetopts.pl"; +require "timespec.pl"; +require "mail.pl"; +require "date.pl"; +require "mqueue.pl"; +require "strings1.pl"; +require "elapsed.pl"; +X +($Script_Name = $0) =~ s/.*\///; +X +# Some defaults you may want to change +$DEF_TIME = "2h"; +$DEF_QUEUE = "/usr/spool/mqueue"; +$DEF_COLUMNS = 80; +$DATE_FORMAT = "%r %D"; +X +# Constants that probably should not be changed +$USAGE = "Usage: $Script_Name [ -abdms ] [ -q queue-dir ] [ -t time ] [ -u user ] [ -w width ]\n"; +$VERSION = "${Script_Name} by mmuegel; 1.1 of 1993/07/28 08:09:02"; +$SWITCHES = "abdmst:u:q:w:"; +$SPLIT_EXPR = '\s,\.@!%:'; +$ADDR_PART_EXPR = '[^!@%]+'; +X +# Let getopts parse for switches +$Status = &New_Getopts ($SWITCHES, $USAGE); +exit (0) if ($Status == -1); +exit (1) if (! $Status); +X +# Check args +die "${Script_Name}: -u only valid with -m\n" if (($opt_u) && (! $opt_m)); +die "${Script_Name}: -a not valid with -t option\n" if ($opt_a && $opt_t); +$opt_u = getlogin || (getpwuid ($<))[0] || $ENV{"USER"} || die "${Script_Name}: can not determine who you are!\n" if (! $opt_u); +X +# Set defaults +$opt_t = "0s" if ($opt_a); +$opt_t = $DEF_TIME if ($opt_t eq ""); +$opt_w = $DEF_COLUMNS if ($opt_w eq ""); +$opt_q = $DEF_QUEUE if ($opt_q eq ""); +$opt_s = $opt_d = 1 if (! ($opt_s || $opt_d)); +X +# Untaint the users to mail to +$opt_u =~ /^(.*)$/; +$Users = $1; +X +# Convert time option to seconds and seconds to elapsed form +die "${Script_Name}: $Msg\n" if (! (($Status, $Msg, $Seconds) = &Time_Spec_To_Seconds ($opt_t))[0]); +$Elapsed = &Seconds_To_Elapsed ($Seconds, 1); +$Time_Info = " longer than $Elapsed" if ($Seconds); +X +# Get the current time +$Current_Time = time; +$Current_Date = &date ($Current_Time, $DATE_FORMAT); +X +($Status, $Msg, @Queue_IDs) = &Get_Queue_IDs ($opt_q, 1, @Missing_Control_IDs, +X @Missing_Data_IDs); +die "$Script_Name: $Msg\n" if (! $Status); +X +# Yell about missing data/control files? +if ($opt_b) +{ +X +X $Report = "\nMessages missing control files:\n\n " . +X join ("\n ", @Missing_Control_IDs) . +X "\n" +X if (@Missing_Control_IDs); +X +X $Report .= "\nMessages missing data files:\n\n " . +X join ("\n ", @Missing_Data_IDs) . +X "\n" +X if (@Missing_Data_IDs); +}; +X +# See if any mail messages are older than $Seconds +foreach $Queue_ID (@Queue_IDs) +{ +X # Get lots of info about this sendmail message via the control file +X ($Status, $Msg) = &Parse_Control_File ($opt_q, $Queue_ID, *Sender, +X *Recipients, *Errors_To, *Creation_Time, *Priority, *Status_Message, +X *Headers); +X next if ($Status == -1); +X if (! $Status) +X { +X warn "$Script_Name: $Queue_ID: $Msg\n"; +X next; +X }; +X +X # Report on message if it is older than $Seconds +X if ($Current_Time - $Creation_Time >= $Seconds) +X { +X # Build summary by host information. Keep track of each host destination +X # encountered. +X if ($opt_s) +X { +X %Host_Map = (); +X foreach (@Recipients) +X { +X if ((/@($ADDR_PART_EXPR)$/) || (/($ADDR_PART_EXPR)!$ADDR_PART_EXPR$/)) +X { +X ($Host = $1) =~ tr/A-Z/a-z/; +X $Host_Map {$Host} = 1; +X } +X else +X { +X warn "$Script_Name: could not find host part from $_; contact author\n"; +X }; +X }; +X +X # For each unique target host add to its stats +X grep ($Host_Queued {$_}++, keys (%Host_Map)); +X +X # Build summary by message information. +X $Message_Queued {$Status_Message}++ if ($Status_Message); +X }; +X +X # Build long report information for this creation time (there may be +X # more than one message created at the same time) +X if ($opt_d) +X { +X $Creation_Date = &date ($Creation_Time, $DATE_FORMAT); +X $Recipient_Info = &Format_Text_Block (join (", ", @Recipients), +X " Recipient: ", 1, 0, $opt_w, $SPLIT_EXPR); +X $Time_To_Report {$Creation_Time} .= <<"EOS"; +X +X ID: $Queue_ID +X Date: $Creation_Date +X Sender: $Sender +$Recipient_Info +EOS +X +X # Add the status message if available to long report +X if ($Status_Message) +X { +X $Time_To_Report {$Creation_Time} .= &Format_Text_Block ($Status_Message, +X " Status: ", 1, 0, $opt_w, $SPLIT_EXPR) . "\n"; +X }; +X }; +X }; +X +}; +X +# Add the summary report by target host? +if ($opt_s) +{ +X foreach $Host (sort (keys (%Host_Queued))) +X { +X $Host_Report .= &Format_Text_Block ($Host, +X sprintf (" %-9d ", $Host_Queued{$Host}), 1, 0, $opt_w, +X $SPLIT_EXPR) . "\n"; +X $Num_Hosts += $Host_Queued{$Host}; +X }; +X if ($Host_Report) +X { +X chop ($Host_Report); +X $Report .= &Format_Text_Block("\nSummary of messages in queue$Time_Info by destination host:\n", "", 0, 0, $opt_w); +X +X $Report .= <<"EOS"; +X +X Number of +X Messages Destination Host +X --------- ---------------- +$Host_Report +X --------- +X $Num_Hosts +EOS +X }; +}; +X +# Add the summary by message report? +if ($opt_s) +{ +X foreach $Message (sort (keys (%Message_Queued))) +X { +X $Message_Report .= &Format_Text_Block ($Message, +X sprintf (" %-9d ", $Message_Queued{$Message}), 1, 0, $opt_w, +X $SPLIT_EXPR) . "\n"; +X $Num_Messages += $Message_Queued{$Message}; +X }; +X if ($Message_Report) +X { +X chop ($Message_Report); +X $Report .= &Format_Text_Block ("\nSummary of messages in queue$Time_Info by status message:\n", "", 0, 0, $opt_w); +X +X $Report .= <<"EOS"; +X +X Number of +X Messages Status Message +X --------- -------------- +$Message_Report +X --------- +X $Num_Messages +EOS +X }; +}; +X +# Add the detailed message reports? +if ($opt_d) +{ +X foreach $Time (sort { $a <=> $b} (keys (%Time_To_Report))) +X { +X $Report .= &Format_Text_Block ("\nDetail of messages in queue$Time_Info sorted by creation date:\n","", 0, 0, $opt_w) if (! $Detailed_Header++); +X $Report .= $Time_To_Report {$Time}; +X }; +}; +X +# Now mail or print the report +if ($Report) +{ +X $Report .= "\n"; +X if ($opt_m) +X { +X ($Status, $Msg) = &Send_Mail ($Users, "sendmail queue report for $Current_Date", $Report, 0); +X die "${Script_Name}: $Msg" if (! $Status); +X } +X +X else +X { +X print $Report; +X }; +X +}; +X +# I am outta here... +exit (0); +SHAR_EOF +chmod 0555 src/cqueue || +echo 'restore of src/cqueue failed' +Wc_c="`wc -c < 'src/cqueue'`" +test 6647 -eq "$Wc_c" || + echo 'src/cqueue: original size 6647, current size' "$Wc_c" +fi +# ============= src/postclip ============== +if test -f 'src/postclip' -a X"$1" != X"-c"; then + echo 'x - skipping src/postclip (File already exists)' +else +echo 'x - extracting src/postclip (Text)' +sed 's/^X//' << 'SHAR_EOF' > 'src/postclip' && +#!/usr/local/bin/perl +X +# NAME +# postclip - send only the headers to Postmaster +# +# SYNOPSIS +# postclip [ -v ] [ to ... ] +# +# AUTHOR +# Michael S. Muegel +# +# RCS INFORMATION +# /usr/local/ustart/src/mail-tools/dist/foo/src/postclip,v +# 1.1 of 1993/07/28 08:09:02 +X +# We use this to send off the mail +require "newgetopts.pl"; +require "mail.pl"; +X +# Get the basename of the script +($Script_Name = $0) =~ s/.*\///; +X +# Some famous constants +$USAGE = "Usage: $Script_Name [ -v ] [ to ... ]\n"; +$VERSION = "${Script_Name} by mmuegel; 1.1 of 1993/07/28 08:09:02"; +$SWITCHES = "v"; +X +# Let getopts parse for switches +$Status = &New_Getopts ($SWITCHES, $USAGE); +exit (0) if ($Status == -1); +exit (1) if (! $Status); +X +# Who should we send the modified mail to? +@ARGV = ("postmaster") if (! @ARGV); +$Users = join (" ", @ARGV); +@ARGV = (); +X +# Suck in the original header and save a few interesting lines +while (<>) +{ +X $Buffer .= $_ if (! /^From /); +X $Subject = $1 if (/^Subject:\s+(.*)$/); +X $From = $1 if (/^From:\s+(.*)$/); +X last if (/^$/); +}; +X +# Do not filter the message unless it has a subject and the subject indicates +# it is an NDN +if ($Subject && ($Subject =~ /^returned mail/i)) +{ +X # Slurp input by paragraph. Keep track of the last time we saw what +X # appeared to be NDN text. We keep this. +X $/ = "\n\n"; +X $* = 1; +X while (<>) +X { +X push (@Paragraphs, $_); +X $Last_Error_Para = $#Paragraphs +X if (/unsent message follows/i || /was not delivered because/); +X }; +X +X # Now save the NDN text into $Buffer +X $Buffer .= join ("", @Paragraphs [0..$Last_Error_Para]); +} +X +else +{ +X undef $/; +X $Buffer .= <>; +}; +X +# Send off the (possibly) modified mail +($Status, $Msg) = &Send_Mail ($Users, "", $Buffer, 0, $opt_v, 1); +die "$Script_Name: $Msg\n" if (! $Status); +SHAR_EOF +chmod 0555 src/postclip || +echo 'restore of src/postclip failed' +Wc_c="`wc -c < 'src/postclip'`" +test 1836 -eq "$Wc_c" || + echo 'src/postclip: original size 1836, current size' "$Wc_c" +fi +exit 0 + +-- ++----------------------------------------------------------------------------+ +| Michael S. Muegel | Internet E-Mail: mmuegel@mot.com | +| UNIX Applications Startup Group | Moto Dist E-Mail: X10090 | +| Corporate Information Office | Voice: (708) 576-0507 | +| Motorola | Fax: (708) 576-4153 | ++----------------------------------------------------------------------------+ + + "I'm disturbed, I'm depressed, I'm inadequate -- I've got it all!" + -- George from _Seinfeld_ diff --git a/contrib/sendmail-8.13.4/contrib/movemail.conf b/contrib/sendmail-8.13.4/contrib/movemail.conf new file mode 100644 index 0000000000..17009b81b0 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/movemail.conf @@ -0,0 +1,35 @@ +# Configuration script for movemail.pl + +my $minutes = 60; +my $hours = 3600; + +# Queue directories first..last + +@queues = qw( + /var/spool/mqueue/q1 + /var/spool/mqueue/q2 + /var/spool/mqueue/q3 +); + +# Base of subqueue name (optional). +# If used, queue directories are $queues[n]/$subqbase* +# Separate qf/df/xf directories are not supported. + +$subqbase = "subq"; + +# Age of mail when moved. Each element of the array must be greater than the +# previous element. + +@ages = ( + 30*$minutes, # q1 to q2 + 6*$hours # q2 to q3 +); + +# Location of script to move the mail + +$remqueue = "/usr/local/bin/re-mqueue.pl"; + +# Lock file to prevent more than one instance running (optional) +# Useful when running from cron + +$lockfile = "/var/spool/mqueue/movemail.lock"; diff --git a/contrib/sendmail-8.13.4/contrib/movemail.pl b/contrib/sendmail-8.13.4/contrib/movemail.pl new file mode 100755 index 0000000000..86bcb20118 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/movemail.pl @@ -0,0 +1,106 @@ +#!/usr/bin/perl -w +# +# Move old mail messages between queues by calling re-mqueue.pl. +# +# movemail.pl [config-script] +# +# Default config script is /usr/local/etc/movemail.conf. +# +# Graeme Hewson , June 2000 +# + +use strict; + +# Load external program as subroutine to avoid +# compilation overhead on each call + +sub loadsub { + my $fn = shift + or die "Filename not specified"; + my $len = (stat($fn))[7] + or die "Can't stat $fn: $!"; + open PROG, "< $fn" + or die "Can't open $fn: $!"; + my $prog; + read PROG, $prog, $len + or die "Can't read $fn: $!"; + close PROG; + eval join "", + 'return sub { my @ARGV = @_; $0 = $fn; no strict;', + "$prog", + '};'; +} + +my $progname = $0; +my $lastage = -1; +my $LOCK_EX = 2; +my $LOCK_NB = 4; + +# Load and eval config script + +my $conffile = shift || "/usr/local/etc/movemail.conf"; +my $len = (stat($conffile))[7] + or die "Can't stat $conffile: $!"; +open CONF, "< $conffile" + or die "Can't open $conffile: $!"; +my $conf; +read CONF, $conf, $len + or die "Can't read $conffile: $!"; +close CONF; +use vars qw(@queues $subqbase @ages $remqueue $lockfile); +eval $conf; + +if ($#queues < 1) { + print "$progname: there must be at least two queues\n"; + exit 1; +} + +if ($#ages != ($#queues - 1)) { + print "$progname: wrong number of ages (should be one less than number of queues)\n"; + exit 1; +} + +# Get lock or exit quietly. Useful when running from cron. + +if ($lockfile) { + open LOCK, ">>$lockfile" + or die "Can't open lock file: $!"; + unless (flock LOCK, $LOCK_EX|$LOCK_NB) { + close LOCK; + exit 0; + } +} + +my $remsub = loadsub($remqueue); + +# Go through directories in reverse order so as to check spool files only once + +for (my $n = $#queues - 1; $n >= 0; $n--) { + unless ($ages[$n] =~ /^\d+$/) { + print "$progname: invalid number $ages[$n] in ages array\n"; + exit 1; + } + unless ($lastage < 0 || $ages[$n] < $lastage) { + print "$progname: age $lastage is not > previous value $ages[$n]\n"; + exit 1; + } + $lastage = $ages[$n]; + if ($subqbase) { + my $subdir; + opendir(DIR, $queues[$n]) + or die "Can't open $queues[$n]: $!"; + foreach $subdir ( grep { /^$subqbase/ } readdir DIR) { + &$remsub("$queues[$n]/$subdir", "$queues[$n+1]/$subdir", + $ages[$n]); + } + closedir(DIR); + } else { + # Not using subdirectories + &$remsub($queues[$n], $queues[$n+1], $ages[$n]); + } +} + +if ($lockfile) { + unlink $lockfile; + close LOCK; +} diff --git a/contrib/sendmail-8.13.4/contrib/passwd-to-alias.pl b/contrib/sendmail-8.13.4/contrib/passwd-to-alias.pl new file mode 100755 index 0000000000..24bb7a1c54 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/passwd-to-alias.pl @@ -0,0 +1,31 @@ +#!/bin/perl + +# +# Convert GECOS information in password files to alias syntax. +# +# Contributed by Kari E. Hurtta +# + +print "# Generated from passwd by $0\n"; + +$wordpat = '([a-zA-Z]+?[a-zA-Z0-9-]*)?[a-zA-Z0-9]'; # 'DB2' +while (@a = getpwent) { + ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$dir,$shell) = @a; + + ($fullname = $gcos) =~ s/,.*$//; + + if (!-d $dir || !-x $shell || $shell =~ m!/bin/(false|true)$!) { + print "$name: root\n"; # handle pseudo user + } + + $fullname =~ s/\.*[ _]+\.*/./g; + $fullname =~ tr [åäéöüÅÄÖÜ] [aaeouAAOU]; # 1997-06-15 + next if (!$fullname || lc($fullname) eq $name); # avoid nonsense + if ($fullname =~ /^$wordpat(\.$wordpat)*$/o) { # Ulrich Windl + print "$fullname: $name\n"; + } else { + print "# $fullname: $name\n"; # avoid strange names + } +}; + +endpwent; diff --git a/contrib/sendmail-8.13.4/contrib/qtool.8 b/contrib/sendmail-8.13.4/contrib/qtool.8 new file mode 100644 index 0000000000..0a4cbffee0 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/qtool.8 @@ -0,0 +1,228 @@ +.\" Copyright (c) 1999, 2001-2002 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: qtool.8,v 8.20 2004/06/28 17:49:41 ca Exp $ +.\" +.TH QTOOL 8 "$Date: 2004/06/28 17:49:41 $" +.SH NAME +qtool +\- manipulate sendmail queues +.SH SYNOPSIS +.B qtool.pl +.RB [options] +target_directory source [source ...] +.PP +.B qtool.pl [-Q][-d|-b] +.RB [options] +source [source ...] +.SH DESCRIPTION +.B Qtool +moves the queue files used by sendmail between queues. It uses the same +locking mechanism as sendmail so can be safely used while sendmail is +running. +However, it should not be used when queue groups have been configured +to move queue files into directories to which they do not belong according +to the queue group selections made in the sendmail.cf file. +Unless you are absolutely sure you do not interfere with the queue group +selection mechanism, do not move queue files around. +.PP +With no options, +.B qtool +will move any queue files as specified by \fIsource\fP into +\fItarget_directory\fP. \fISource\fP can be either an individual +queue control file, a queue file id, or a queue directory. +.PP +If the -d option is specified, qtool will delete the messages specified by +source instead of moving them. +.PP +If the -b option is specified, the selected messages will be bounced by +running sendmail with the -OTimeout.queuereturn=now option. +.SS Options +.TP +\fB\-b\fP +Bounce all of the messages specified by source. The messages will be bounced +immediately. No attempt will be made to deliver the messages. +.TP +\fB\-C\fP configfile +Specify the sendmail config file. +Defaults to /etc/mail/sendmail.cf. +.TP +\fB\-d\fP +Delete all of the messages specified by source. +.TP +\fB\-e\fP \fIperl_expression\fP +Evaluate \fIperl_expression\fP for each queue file as specified +by \fIsource\fP. If \fIperl_expression\fP evaluates to true, then that +queue file is moved. See below for more detail on \fIperl_expression\fP. +.TP +\fB\-Q\fP +Operate on quarantined items +(queue control file begins with hf instead of qf). +.TP +\fB\-s\fP \fIseconds\fP +Move only the queue files specified by \fIsource\fP that have a +modification time older than \fIseconds\fP. +.SS Perl Expressions +You can use any valid perl expression. Inside the expression you have +access to a hash that contains many of the fields in the control file as +well as some other data about that queued message. The hash is called +\fI%msg\fP. If a field has multiple values (e.g. 'Recipient'), it will be +returned as an array, otherwise it will be returned as a scalar. Through +\fI%msg\fP, you can access the following variables: +.TP +\fBauth\fP +AUTH= parameter. +.TP +\fBbody_type\fP +Body type (\fB8BITMIME\fP, \fB7BIT\fP, or undefined). +.TP +\fBbody_last_mod_time\fP +The last time the body was modified since the epoch in seconds. +.TP +\fBbody_size\fP +The size of the body file in bytes. +.TP +\fBcontent-length\fP +Content-Length: header value (Solaris sendmail only). +.TP +\fBcontrolling_user\fP +The controlling user. +.TP +\fBcontrol_last_mod_time\fP +The last time the control file was modified since the epoch in seconds. +.TP +\fBcontrol_size\fP +The size of the control file in bytes. +.TP +\fBcreation_time\fP +The time when the control file was created. +.TP +\fBdata_file_name\fP +The data file name (deprecated). +.TP +\fBdeliver_by\fP +Deliver by flag and deadline for DELIVERBY ESMTP extension. +.TP +\fBenvid\fP +Original envelope id form ESMTP. +.TP +\fBerror_recipient\fP +The error recipient (deprecated). +.TP +\fBfinal_recipient\fP +Final recipient (for DSNs). +.TP +\fBflags\fP +Array of characters that can be the following values: +.PD 0 +.RS +8 +.TP 8 +w +warning message has been sent +.TP 8 +r +This is an error response or DSN +.TP 8 +8 +has 8 bit data in body +.TP 8 +b +delete Bcc: headers +.TP 8 +d +envelope has DSN RET= parameter +.TP 8 +n +don't return body +.PD +.RE +.TP +\fBheaders\fP +This is a Perl hash where the keys are rfc822 field names and the values +are rfc822 field values. If a field has only one value it will be returned +as a string. If a field has more than one value (e.g. 'Received') it will +be returned as a list of strings. +.TP +\fBinode_number\fP +The inode number for the data (body) file. +.TP +\fBnext_delivery_time\fP +Earliest time of next delivery attempt. +.TP +\fBnum_delivery_attempts\fP +Number of delivery attempts that have been made. +.TP +\fBmacro\fP +Defined macro. +.TP +\fBmessage\fP +Envelope status message. +.TP +\fBoriginal_recipient\fP +Original recipient (ORCPT= parameter). +.TP +\fBpriority\fP +Adjusted priority of message. +.TP +\fBquarantine_reason\fP +Quarantine reason for quarantined (held) envelopes. +.TP +\fBrecipient\fP +Array of character flags followed by colon and recipient name. Flags: +.PD 0 +.RS +8 +.TP 8 +N +Has NOTIFY= parameter. +.TP 8 +S +Success DSN requested. +.TP 8 +F +Failure DSN requested. +.TP 8 +D +Delay DSN requested. +.TP 8 +P +Primary address (not the result of alias/forward expansion). +.PD +.RE +.TP +\fBsender\fP +Sender +.TP +\fBversion\fP +Version of control file. +.SH EXAMPLES +.TP +\fBqtool.pl q2 q1\fP +Moves all of the queue files in queue q1 to queue q2. +.TP +\fBqtool.pl q2 q1/d6CLQh100847\fP +Moves the message with id d6CLQh100847 in queue q1 to queue q2. +.TP +\fBqtool.pl q2 q1/qfd6CLQh100847\fP +Moves the message with id d6CLQh100847 in queue q1 to queue q2. +.TP +\fBqtool.pl -e '$msg{num_delivery_attempts} == 3' /q2 /q1\fP +Moves all of the queue files that have had three attempted deliveries from +queue q1 to queue q2. +.SH BUGS +In sendmail 8.12, it is possible for a message's queue and data files (df) +to be stored in different queues. +In this situation, you must give qtool the pathname of the queue file, +not of the data file (df). +To be safe, never feed qtool the pathname of a data file (df). +.SH SEE ALSO +sendmail(8) +.SH HISTORY +The +.B qtool +command appeared in +sendmail 8.10. diff --git a/contrib/sendmail-8.13.4/contrib/qtool.pl b/contrib/sendmail-8.13.4/contrib/qtool.pl new file mode 100755 index 0000000000..ba944c2e14 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/qtool.pl @@ -0,0 +1,1281 @@ +#!/usr/bin/env perl +## +## Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. +## All rights reserved. +## +## $Id: qtool.pl,v 8.28 2002/06/27 23:06:16 gshapiro Exp $ +## +use strict; +use File::Basename; +use File::Copy; +use File::Spec; +use Fcntl qw(:flock :DEFAULT); +use Getopt::Std; + +## +## QTOOL +## This program is for moving files between sendmail queues. It is +## pretty similar to just moving the files manually, but it locks the files +## the same way sendmail does to prevent problems. +## +## NOTICE: Do not use this program to move queue files around +## if you use sendmail 8.12 and multiple queue groups. It may interfere +## with sendmail's internal queue group selection strategy and can cause +## mail to be not delivered. +## +## The syntax is the reverse of mv (ie. the target argument comes +## first). This lets you pick the files you want to move using find and +## xargs. +## +## Since you cannot delete queues while sendmail is running, QTOOL +## assumes that when you specify a directory as a source, you mean that you +## want all of the queue files within that directory moved, not the +## directory itself. +## +## There is a mechanism for adding conditionals for moving the files. +## Just create an Object with a check_move(source, dest) method and add it +## to the $conditions object. See the handling of the '-s' option for an +## example. +## + +## +## OPTION NOTES +## +## The -e option: +## The -e option takes any valid perl expression and evaluates it +## using the eval() function. Inside the expression the variable +## '$msg' is bound to the ControlFile object for the current source +## queue message. This lets you check for any value in the message +## headers or the control file. Here's an example: +## +## ./qtool.pl -e '$msg{num_delivery_attempts} >= 2' /q1 /q2 +## +## This would move any queue files whose number of delivery attempts +## is greater than or equal to 2 from the queue 'q2' to the queue 'q1'. +## +## See the function ControlFile::parse for a list of available +## variables. +## + +my %opts; +my %sources; +my $dst_name; +my $destination; +my $source_name; +my $source; +my $result; +my $action; +my $new_condition; +my $qprefix; +my $queuegroups = 0; +my $conditions = new Compound(); + +Getopt::Std::getopts('bC:de:Qs:', \%opts); + +sub move_action +{ + my $source = shift; + my $destination = shift; + + $result = $destination->add($source); + if ($result) + { + print("$result.\n"); + } +} + +sub delete_action +{ + my $source = shift; + + return $source->delete(); +} + +sub bounce_action +{ + my $source = shift; + + return $source->bounce(); +} + +$action = \&move_action; +if (defined $opts{d}) +{ + $action = \&delete_action; +} +elsif (defined $opts{b}) +{ + $action = \&bounce_action; +} + +if (defined $opts{s}) +{ + $new_condition = new OlderThan($opts{s}); + $conditions->add($new_condition); +} + +if (defined $opts{e}) +{ + $new_condition = new Eval($opts{e}); + $conditions->add($new_condition); +} + +if (defined $opts{Q}) +{ + $qprefix = "hf"; +} +else +{ + $qprefix = "qf"; +} + +if ($action == \&move_action) +{ + $dst_name = shift(@ARGV); + if (!-d $dst_name) + { + print("The destination '$dst_name' must be an existing " . + "directory.\n"); + usage(); + exit; + } + $destination = new Queue($dst_name); +} + +# determine queue_root by reading config file +my $queue_root; +{ + my $config_file = "/etc/mail/sendmail.cf"; + if (defined $opts{C}) + { + $config_file = $opts{C}; + } + + my $line; + open(CONFIG_FILE, $config_file) or die "$config_file: $!"; + + ## Notice: we can only break out of this loop (using last) + ## when both entries (queue directory and group group) + ## have been found. + while ($line = ) + { + chomp $line; + if ($line =~ m/^O QueueDirectory=(.*)/) + { + $queue_root = $1; + if ($queue_root =~ m/(.*)\/[^\/]+\*$/) + { + $queue_root = $1; + } + # found also queue groups? + if ($queuegroups) + { + last; + } + } + if ($line =~ m/^Q.*/) + { + $queuegroups = 1; + if ($action == \&move_action) + { + print("WARNING: moving queue files around " . + "when queue groups are used may\n" . + "result in undelivered mail!\n"); + } + # found also queue directory? + if (defined $queue_root) + { + last; + } + } + } + close(CONFIG_FILE); + if (!defined $queue_root) + { + die "QueueDirectory option not defined in $config_file"; + } +} + +while (@ARGV) +{ + $source_name = shift(@ARGV); + $result = add_source(\%sources, $source_name); + if ($result) + { + print("$result.\n"); + exit; + } +} + +if (keys(%sources) == 0) +{ + exit; +} + +while (($source_name, $source) = each(%sources)) +{ + $result = $conditions->check_move($source, $destination); + if ($result) + { + $result = &{$action}($source, $destination); + if ($result) + { + print("$result\n"); + } + } +} + +sub usage +{ + print("Usage:\t$0 [options] directory source ...\n"); + print("\t$0 [-Q][-d|-b] source ...\n"); + print("Options:\n"); + print("\t-b\t\tBounce the messages specified by source.\n"); + print("\t-C configfile\tSpecify sendmail config file.\n"); + print("\t-d\t\tDelete the messages specified by source.\n"); + print("\t-e [perl expression]\n"); + print("\t\t\tMove only messages for which perl expression\n"); + print("\t\t\treturns true.\n"); + print("\t-Q\t\tOperate on quarantined files.\n"); + print("\t-s [seconds]\tMove only messages whose queue file is older\n"); + print("\t\t\tthan seconds.\n"); +} + +## +## ADD_SOURCE -- Adds a source to the source hash. +## +## Determines whether source is a file, directory, or id. Then it +## creates a QueuedMessage or Queue for that source and adds it to the +## list. +## +## Parameters: +## sources -- A hash that contains all of the sources. +## source_name -- The name of the source to add +## +## Returns: +## error_string -- Undef if ok. Error string otherwise. +## +## Notes: +## If a new source comes in with the same ID as a previous +## source, the previous source gets overwritten in the sources +## hash. This lets the user specify things like * and it still +## works nicely. +## + +sub add_source +{ + my $sources = shift; + my $source_name = shift; + my $source_base_name; + my $source_dir_name; + my $data_dir_name; + my $source_id; + my $source_prefix; + my $queued_message; + my $queue; + my $result; + + ($source_base_name, $source_dir_name) = File::Basename::fileparse($source_name); + $data_dir_name = $source_dir_name; + + $source_prefix = substr($source_base_name, 0, 2); + if (!-d $source_name && $source_prefix ne $qprefix && + $source_prefix ne 'df') + { + $source_base_name = "$qprefix$source_base_name"; + $source_name = File::Spec->catfile("$source_dir_name", + "$source_base_name"); + } + $source_id = substr($source_base_name, 2); + + if (!-e $source_name) + { + $source_name = File::Spec->catfile("$source_dir_name", "qf", + "$qprefix$source_id"); + if (!-e $source_name) + { + return "'$source_name' does not exist"; + } + $data_dir_name = File::Spec->catfile("$source_dir_name", "df"); + if (!-d $data_dir_name) + { + $data_dir_name = $source_dir_name; + } + $source_dir_name = File::Spec->catfile("$source_dir_name", + "qf"); + } + + if (-f $source_name) + { + $queued_message = new QueuedMessage($source_dir_name, + $source_id, + $data_dir_name); + $sources->{$source_id} = $queued_message; + return undef; + } + + if (!-d $source_name) + { + return "'$source_name' is not a plain file or a directory"; + } + + $queue = new Queue($source_name); + $result = $queue->read(); + if ($result) + { + return $result; + } + + while (($source_id, $queued_message) = each(%{$queue->{files}})) + { + $sources->{$source_id} = $queued_message; + } + + return undef; +} + +## +## LOCK_FILE -- Opens and then locks a file. +## +## Opens a file for read/write and uses flock to obtain a lock on the +## file. The flock is Perl's flock which defaults to flock on systems +## that support it. On systems without flock it falls back to fcntl +## locking. +## +## Parameters: +## file_name -- The name of the file to open and lock. +## +## Returns: +## (file_handle, error_string) -- If everything works then +## file_handle is a reference to a file handle and +## error_string is undef. If there is a problem then +## file_handle is undef and error_string is a string +## explaining the problem. +## + +sub lock_file +{ + my $file_name = shift; + my $result; + + $result = sysopen(FILE_TO_LOCK, $file_name, Fcntl::O_RDWR); + if (!$result) + { + return (undef, "Unable to open '$file_name': $!"); + } + + $result = flock(FILE_TO_LOCK, Fcntl::LOCK_EX | Fcntl::LOCK_NB); + if (!$result) + { + return (undef, "Could not obtain lock on '$file_name': $!"); + } + + return (\*FILE_TO_LOCK, undef); +} + +## +## UNLOCK_FILE -- Unlocks a file. +## +## Unlocks a file using Perl's flock. +## +## Parameters: +## file -- A file handle. +## +## Returns: +## error_string -- If undef then no problem. Otherwise it is a +## string that explains problem. +## + +sub unlock_file +{ + my $file = shift; + my $result; + + $result = flock($file, Fcntl::LOCK_UN); + if (!$result) + { + return "Unlock failed on '$result': $!"; + } + + return undef; +} + +## +## MOVE_FILE -- Moves a file. +## +## Moves a file. +## +## Parameters: +## src_name -- The name of the file to be move. +## dst_nome -- The name of the place to move it to. +## +## Returns: +## error_string -- If undef then no problem. Otherwise it is a +## string that explains problem. +## + +sub move_file +{ + my $src_name = shift; + my $dst_name = shift; + my $result; + + $result = File::Copy::move($src_name, $dst_name); + if (!$result) + { + return "File move from '$src_name' to '$dst_name' failed: $!"; + } + + return undef; +} + + +## +## CONTROL_FILE - Represents a sendmail queue control file. +## +## This object represents represents a sendmail queue control file. +## It can parse and lock its file. +## + + +package ControlFile; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + my $queue_dir = shift; + $self->{id} = shift; + + $self->{file_name} = $queue_dir . '/' . $qprefix . $self->{id}; + $self->{headers} = {}; +} + +## +## PARSE - Parses the control file. +## +## Parses the control file. It just sticks each entry into a hash. +## If a key has more than one entry, then it points to a list of +## entries. +## + +sub parse +{ + my $self = shift; + if ($self->{parsed}) + { + return; + } + my %parse_table = + ( + 'A' => 'auth', + 'B' => 'body_type', + 'C' => 'controlling_user', + 'D' => 'data_file_name', + 'd' => 'data_file_directory', + 'E' => 'error_recipient', + 'F' => 'flags', + 'H' => 'parse_header', + 'I' => 'inode_number', + 'K' => 'next_delivery_time', + 'L' => 'content-length', + 'M' => 'message', + 'N' => 'num_delivery_attempts', + 'P' => 'priority', + 'Q' => 'original_recipient', + 'R' => 'recipient', + 'q' => 'quarantine_reason', + 'r' => 'final_recipient', + 'S' => 'sender', + 'T' => 'creation_time', + 'V' => 'version', + 'Y' => 'current_delay', + 'Z' => 'envid', + '!' => 'deliver_by', + '$' => 'macro' + ); + my $line; + my $line_type; + my $line_value; + my $member_name; + my $member; + my $last_type; + + open(CONTROL_FILE, "$self->{file_name}"); + while ($line = ) + { + $line_type = substr($line, 0, 1); + if ($line_type eq "\t" && $last_type eq 'H') + { + $line_type = 'H'; + $line_value = $line; + } + else + { + $line_value = substr($line, 1); + } + $member_name = $parse_table{$line_type}; + $last_type = $line_type; + if (!$member_name) + { + $member_name = 'unknown'; + } + if ($self->can($member_name)) + { + $self->$member_name($line_value); + } + $member = $self->{$member_name}; + if (!$member) + { + $self->{$member_name} = $line_value; + next; + } + if (ref($member) eq 'ARRAY') + { + push(@{$member}, $line_value); + next; + } + $self->{$member_name} = [$member, $line_value]; + } + close(CONTROL_FILE); + + $self->{parsed} = 1; +} + +sub parse_header +{ + my $self = shift; + my $line = shift; + my $headers = $self->{headers}; + my $last_header = $self->{last_header}; + my $header_name; + my $header_value; + my $first_char; + + $first_char = substr($line, 0, 1); + if ($first_char eq "?") + { + $line = substr($line, 3); + } + elsif ($first_char eq "\t") + { + if (ref($headers->{$last_header}) eq 'ARRAY') + { + $headers->{$last_header}[-1] = + $headers->{$last_header}[-1] . $line; + } + else + { + $headers->{$last_header} = $headers->{$last_header} . + $line; + } + return; + } + ($header_name, $header_value) = split(/:/, $line, 2); + $self->{last_header} = $header_name; + if (exists $headers->{$header_name}) + { + $headers->{$header_name} = [$headers->{$header_name}, + $header_value]; + } + else + { + $headers->{$header_name} = $header_value; + } +} + +sub is_locked +{ + my $self = shift; + + return (defined $self->{lock_handle}); +} + +sub lock +{ + my $self = shift; + my $lock_handle; + my $result; + + if ($self->is_locked()) + { + # Already locked + return undef; + } + + ($lock_handle, $result) = ::lock_file($self->{file_name}); + if (!$lock_handle) + { + return $result; + } + + $self->{lock_handle} = $lock_handle; + + return undef; +} + +sub unlock +{ + my $self = shift; + my $result; + + if (!$self->is_locked()) + { + # Not locked + return undef; + } + + $result = ::unlock_file($self->{lock_handle}); + + $self->{lock_handle} = undef; + + return $result; +} + +sub do_stat +{ + my $self = shift; + my $result; + my @result; + + $result = open(QUEUE_FILE, $self->{file_name}); + if (!$result) + { + return "Unable to open '$self->{file_name}': $!"; + } + @result = stat(QUEUE_FILE); + if (!@result) + { + return "Unable to stat '$self->{file_name}': $!"; + } + $self->{control_size} = $result[7]; + $self->{control_last_mod_time} = $result[9]; +} + +sub DESTROY +{ + my $self = shift; + + $self->unlock(); +} + +sub delete +{ + my $self = shift; + my $result; + + $result = unlink($self->{file_name}); + if (!$result) + { + return "Unable to delete $self->{file_name}: $!"; + } + return undef; +} + + +## +## DATA_FILE - Represents a sendmail queue data file. +## +## This object represents represents a sendmail queue data file. +## It is really just a place-holder. +## + +package DataFile; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + my $data_dir = shift; + $self->{id} = shift; + my $control_file = shift; + + $self->{file_name} = $data_dir . '/df' . $self->{id}; + return if -e $self->{file_name}; + $control_file->parse(); + return if !defined $control_file->{data_file_directory}; + $data_dir = $queue_root . '/' . $control_file->{data_file_directory}; + chomp $data_dir; + if (-d ($data_dir . '/df')) + { + $data_dir .= '/df'; + } + $self->{file_name} = $data_dir . '/df' . $self->{id}; +} + +sub do_stat +{ + my $self = shift; + my $result; + my @result; + + $result = open(QUEUE_FILE, $self->{file_name}); + if (!$result) + { + return "Unable to open '$self->{file_name}': $!"; + } + @result = stat(QUEUE_FILE); + if (!@result) + { + return "Unable to stat '$self->{file_name}': $!"; + } + $self->{body_size} = $result[7]; + $self->{body_last_mod_time} = $result[9]; +} + +sub delete +{ + my $self = shift; + my $result; + + $result = unlink($self->{file_name}); + if (!$result) + { + return "Unable to delete $self->{file_name}: $!"; + } + return undef; +} + + +## +## QUEUED_MESSAGE - Represents a queued sendmail message. +## +## This keeps track of the files that make up a queued sendmail +## message. +## Currently it has 'control_file' and 'data_file' as members. +## +## You can tie it to a fetch only hash using tie. You need to +## pass a reference to a QueuedMessage as the third argument +## to tie. +## + +package QueuedMessage; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + my $queue_dir = shift; + my $id = shift; + my $data_dir = shift; + + $self->{id} = $id; + $self->{control_file} = new ControlFile($queue_dir, $id); + if (!$data_dir) + { + $data_dir = $queue_dir; + } + $self->{data_file} = new DataFile($data_dir, $id, $self->{control_file}); +} + +sub last_modified_time +{ + my $self = shift; + my @result; + @result = stat($self->{data_file}->{file_name}); + return $result[9]; +} + +sub TIEHASH +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = shift; + return $self; +} + +sub FETCH +{ + my $self = shift; + my $key = shift; + + if (exists $self->{control_file}->{$key}) + { + return $self->{control_file}->{$key}; + } + if (exists $self->{data_file}->{$key}) + { + return $self->{data_file}->{$key}; + } + + return undef; +} + +sub lock +{ + my $self = shift; + + return $self->{control_file}->lock(); +} + +sub unlock +{ + my $self = shift; + + return $self->{control_file}->unlock(); +} + +sub move +{ + my $self = shift; + my $destination = shift; + my $df_dest; + my $qf_dest; + my $result; + + $result = $self->lock(); + if ($result) + { + return $result; + } + + $qf_dest = File::Spec->catfile($destination, "qf"); + if (-d $qf_dest) + { + $df_dest = File::Spec->catfile($destination, "df"); + if (!-d $df_dest) + { + $df_dest = $destination; + } + } + else + { + $qf_dest = $destination; + $df_dest = $destination; + } + + if (-e File::Spec->catfile($qf_dest, "$qprefix$self->{id}")) + { + $result = "There is already a queued message with id '$self->{id}' in '$destination'"; + } + + if (!$result) + { + $result = ::move_file($self->{data_file}->{file_name}, + $df_dest); + } + + if (!$result) + { + $result = ::move_file($self->{control_file}->{file_name}, + $qf_dest); + } + + $self->unlock(); + + return $result; +} + +sub parse +{ + my $self = shift; + + return $self->{control_file}->parse(); +} + +sub do_stat +{ + my $self = shift; + + $self->{control_file}->do_stat(); + $self->{data_file}->do_stat(); +} + +sub setup_vars +{ + my $self = shift; + + $self->parse(); + $self->do_stat(); +} + +sub delete +{ + my $self = shift; + my $result; + + $result = $self->{control_file}->delete(); + if ($result) + { + return $result; + } + $result = $self->{data_file}->delete(); + if ($result) + { + return $result; + } + + return undef; +} + +sub bounce +{ + my $self = shift; + my $command; + + $command = "sendmail -qI$self->{id} -O Timeout.queuereturn=now"; +# print("$command\n"); + system($command); +} + +## +## QUEUE - Represents a queued sendmail queue. +## +## This manages all of the messages in a queue. +## + +package Queue; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + + $self->{queue_dir} = shift; + $self->{files} = {}; +} + +## +## READ - Loads the queue with all of the objects that reside in it. +## +## This reads the queue's directory and creates QueuedMessage objects +## for every file in the queue that starts with 'qf' or 'hf' +## (depending on the -Q option). +## + +sub read +{ + my $self = shift; + my @control_files; + my $queued_message; + my $file_name; + my $id; + my $result; + my $control_dir; + my $data_dir; + + $control_dir = File::Spec->catfile($self->{queue_dir}, 'qf'); + + if (-e $control_dir) + { + $data_dir = File::Spec->catfile($self->{queue_dir}, 'df'); + if (!-e $data_dir) + { + $data_dir = $self->{queue_dir}; + } + } + else + { + $data_dir = $self->{queue_dir}; + $control_dir = $self->{queue_dir}; + } + + $result = opendir(QUEUE_DIR, $control_dir); + if (!$result) + { + return "Unable to open directory '$control_dir'"; + } + + @control_files = grep { /^$qprefix.*/ && -f "$control_dir/$_" } readdir(QUEUE_DIR); + closedir(QUEUE_DIR); + foreach $file_name (@control_files) + { + $id = substr($file_name, 2); + $queued_message = new QueuedMessage($control_dir, $id, + $data_dir); + $self->{files}->{$id} = $queued_message; + } + + return undef; +} + + +## +## ADD_QUEUED_MESSAGE - Adds a QueuedMessage to this Queue. +## +## Adds the QueuedMessage object to the hash and moves the files +## associated with the QueuedMessage to this Queue's directory. +## + +sub add_queued_message +{ + my $self = shift; + my $queued_message = shift; + my $result; + + $result = $queued_message->move($self->{queue_dir}); + if ($result) + { + return $result; + } + + $self->{files}->{$queued_message->{id}} = $queued_message; + + return $result; +} + +## +## ADD_QUEUE - Adds another Queue's QueuedMessages to this Queue. +## +## Adds all of the QueuedMessage objects in the passed in queue +## to this queue. +## + +sub add_queue +{ + my $self = shift; + my $queue = shift; + my $id; + my $queued_message; + my $result; + + while (($id, $queued_message) = each %{$queue->{files}}) + { + $result = $self->add_queued_message($queued_message); + if ($result) + { + print("$result.\n"); + } + } +} + +## +## ADD - Adds an item to this queue. +## +## Adds either a Queue or a QueuedMessage to this Queue. +## + +sub add +{ + my $self = shift; + my $source = shift; + my $type_name; + my $result; + + $type_name = ref($source); + + if ($type_name eq "QueuedMessage") + { + return $self->add_queued_message($source); + } + + if ($type_name eq "Queue") + { + return $self->add_queue($source); + } + + return "Queue does not know how to add a '$type_name'" +} + +sub delete +{ + my $self = shift; + my $id; + my $queued_message; + + while (($id, $queued_message) = each %{$self->{files}}) + { + $result = $queued_message->delete(); + if ($result) + { + print("$result.\n"); + } + } +} + +sub bounce +{ + my $self = shift; + my $id; + my $queued_message; + + while (($id, $queued_message) = each %{$self->{files}}) + { + $result = $queued_message->bounce(); + if ($result) + { + print("$result.\n"); + } + } +} + +## +## Condition Class +## +## This next section is for any class that has an interface called +## check_move(source, dest). Each class represents some condition to +## check for to determine whether we should move the file from +## source to dest. +## + + +## +## OlderThan +## +## This Condition Class checks the modification time of the +## source file and returns true if the file's modification time is +## older than the number of seconds the class was initialzed with. +## + +package OlderThan; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + + $self->{age_in_seconds} = shift; +} + +sub check_move +{ + my $self = shift; + my $source = shift; + + if ((time() - $source->last_modified_time()) > $self->{age_in_seconds}) + { + return 1; + } + + return 0; +} + +## +## Compound +## +## Takes a list of Move Condition Classes. Check_move returns true +## if every Condition Class in the list's check_move function returns +## true. +## + +package Compound; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + + $self->{condition_list} = []; +} + +sub add +{ + my $self = shift; + my $new_condition = shift; + + push(@{$self->{condition_list}}, $new_condition); +} + +sub check_move +{ + my $self = shift; + my $source = shift; + my $dest = shift; + my $condition; + my $result; + + foreach $condition (@{$self->{condition_list}}) + { + if (!$condition->check_move($source, $dest)) + { + return 0; + } + } + + return 1; +} + +## +## Eval +## +## Takes a perl expression and evaluates it. The ControlFile object +## for the source QueuedMessage is avaliable through the name '$msg'. +## + +package Eval; + +sub new +{ + my $this = shift; + my $class = ref($this) || $this; + my $self = {}; + bless $self, $class; + $self->initialize(@_); + return $self; +} + +sub initialize +{ + my $self = shift; + + $self->{expression} = shift; +} + +sub check_move +{ + my $self = shift; + my $source = shift; + my $dest = shift; + my $result; + my %msg; + + $source->setup_vars(); + tie(%msg, 'QueuedMessage', $source); + $result = eval($self->{expression}); + + return $result; +} diff --git a/contrib/sendmail-8.13.4/contrib/re-mqueue.pl b/contrib/sendmail-8.13.4/contrib/re-mqueue.pl new file mode 100755 index 0000000000..9f8d819eb1 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/re-mqueue.pl @@ -0,0 +1,258 @@ +#!/usr/bin/perl +# +# re-mqueue -- requeue messages from queueA to queueB based on age. +# +# Contributed by Paul Pomes . +# http://www.qualcomm.com/~ppomes/ +# +# Usage: re-mqueue [-d] queueA queueB seconds +# +# -d enable debugging +# queueA source directory +# queueB destination directory +# seconds select files older than this number of seconds +# +# Example: re-mqueue /var/spool/mqueue /var/spool/mqueue2 2700 +# +# Moves the qf* and df* files for a message from /var/spool/mqueue to +# /var/spool/mqueue2 if the df* file is over 2700 seconds old. +# +# The qf* file can't be used for age checking as it's partially re-written +# with the results of the last queue run. +# +# Rationale: With a limited number of sendmail processes allowed to run, +# messages that can't be delivered immediately slow down the ones that can. +# This becomes especially important when messages are being queued instead +# of delivered right away, or when the queue becomes excessively deep. +# By putting messages that have already failed one or more delivery attempts +# into another queue, the primary queue can be kept small and fast. +# +# On postoffice.cso.uiuc.edu, the primary sendmail daemon runs the queue +# every thirty minutes. Messages over 45 minutues old are moved to +# /var/spool/mqueue2 where sendmail runs every hour. Messages more than +# 3.25 hours old are moved to /var/spool/mqueue3 where sendmail runs every +# four hours. Messages more than a day old are moved to /var/spool/mqueue4 +# where sendmail runs three times a day. The idea is that a message is +# tried at least twice in the first three queues before being moved to the +# old-age ghetto. +# +# (Each must be re-formed into a single line before using in crontab) +# +# 08 * * * * /usr/local/libexec/re-mqueue /var/spool/mqueue ## /var/spool/mqueue2 2700 +# 11 * * * * /usr/lib/sendmail -oQ/var/spool/mqueue2 -q > ## > /var/log/mqueue2 2>&1 +# 38 * * * * /usr/local/libexec/re-mqueue /var/spool/mqueue2 +# /var/spool/mqueue3 11700 +# 41 1,5,9,13,17,21 * * * /usr/lib/sendmail -oQ/var/spool/mqueue3 -q ## > /var/log/mqueue3 2>&1 +# 48 * * * * /usr/local/libexec/re-mqueue /var/spool/mqueue3 +# /var/spool/mqueue4 100000 +#53 3,11,19 * * * /usr/lib/sendmail -oQ/var/spool/mqueue4 -q > ## > /var/log/mqueue4 2>&1 +# +# +# N.B., the moves are done with link(). This has two effects: 1) the mqueue* +# directories must all be on the same filesystem, and 2) the file modification +# times are not changed. All times must be cumulative from when the df* +# file was created. +# +# Copyright (c) 1995 University of Illinois Board of Trustees and Paul Pomes +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the University of +# Illinois at Urbana and their contributors. +# 4. Neither the name of the University nor the names of their contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE TRUSTEES AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE TRUSTEES OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# @(#)$OrigId: re-mqueue,v 1.3 1995/05/25 18:14:53 p-pomes Exp $ +# +# Updated by Graeme Hewson May 1999 +# +# 'use Sys::Syslog' for Perl 5 +# Move transcript (xf) files if they exist +# Allow zero-length df files (empty message body) +# Preserve $! for error messages +# +# Updated by Graeme Hewson April 2000 +# +# Improve handling of race between re-mqueue and sendmail +# +# Updated by Graeme Hewson June 2000 +# +# Don't exit(0) at end so can be called as subroutine +# +# NB This program can't handle separate qf/df/xf subdirectories +# as introduced in sendmail 8.10.0. +# + +use Sys::Syslog; + +$LOCK_EX = 2; +$LOCK_NB = 4; +$LOCK_UN = 8; + +# Count arguments, exit if wrong in any way. +die "Usage: $0 [-d] queueA queueB seconds\n" if ($#ARGV < 2); + +while ($_ = $ARGV[0], /^-/) { + shift; + last if /^--$/; + /^-d/ && $debug++; +} + +$queueA = shift; +$queueB = shift; +$age = shift; + +die "$0: $queueA not a directory\n" if (! -d $queueA); +die "$0: $queueB not a directory\n" if (! -d $queueB); +die "$0: $age isn't a valid number of seconds for age\n" if ($age =~ /\D/); + +# chdir to $queueA and read the directory. When a df* file is found, stat it. +# If it's older than $age, lock the corresponding qf* file. If the lock +# fails, give up and move on. Once the lock is obtained, verify that files +# of the same name *don't* already exist in $queueB and move on if they do. +# Otherwise re-link the qf* and df* files into $queueB then release the lock. + +chdir "$queueA" || die "$0: can't cd to $queueA: $!\n"; +opendir (QA, ".") || die "$0: can't open directory $queueA for reading: $!\n"; +@dfiles = grep(/^df/, readdir(QA)); +$now = time(); +($program = $0) =~ s,.*/,,; +&openlog($program, 'pid', 'mail'); + +# Loop through the dfiles +while ($dfile = pop(@dfiles)) { + print "Checking $dfile\n" if ($debug); + ($qfile = $dfile) =~ s/^d/q/; + ($xfile = $dfile) =~ s/^d/x/; + ($mfile = $dfile) =~ s/^df//; + if (! -e $qfile || -z $qfile) { + print "$qfile is gone or zero bytes - skipping\n" if ($debug); + next; + } + + ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, + $atime,$mtime,$ctime,$blksize,$blocks) = stat($dfile); + if (! defined $mtime) { + print "$dfile is gone - skipping\n" if ($debug); + next; + } + + # Compare timestamps + if (($mtime + $age) > $now) { + printf ("%s is %d seconds old - skipping\n", $dfile, $now-$mtime) if ($debug); + next; + } + + # See if files of the same name already exist in $queueB + if (-e "$queueB/$dfile") { + print "$queueb/$dfile already exists - skipping\n" if ($debug); + next; + } + if (-e "$queueB/$qfile") { + print "$queueb/$qfile already exists - skipping\n" if ($debug); + next; + } + if (-e "$queueB/$xfile") { + print "$queueb/$xfile already exists - skipping\n" if ($debug); + next; + } + + # Try and lock qf* file + unless (open(QF, ">>$qfile")) { + print "$qfile: $!\n" if ($debug); + next; + } + $retval = flock(QF, $LOCK_EX|$LOCK_NB) || ($retval = -1); + if ($retval == -1) { + print "$qfile already flock()ed - skipping\n" if ($debug); + close(QF); + next; + } + print "$qfile now flock()ed\n" if ($debug); + + # Check df* file again in case sendmail got in + if (! -e $dfile) { + print "$mfile sent - skipping\n" if ($debug); + # qf* file created by ourselves at open? (Almost certainly) + if (-z $qfile) { + unlink($qfile); + } + close(QF); + next; + } + + # Show time! Do the link()s + if (link("$dfile", "$queueB/$dfile") == 0) { + $bang = $!; + &syslog('err', 'link(%s, %s/%s): %s', $dfile, $queueB, $dfile, $bang); + print STDERR "$0: link($dfile, $queueB/$dfile): $bang\n"; + exit (1); + } + if (link("$qfile", "$queueB/$qfile") == 0) { + $bang = $!; + &syslog('err', 'link(%s, %s/%s): %s', $qfile, $queueB, $qfile, $bang); + print STDERR "$0: link($qfile, $queueB/$qfile): $bang\n"; + unlink("$queueB/$dfile"); + exit (1); + } + if (-e "$xfile") { + if (link("$xfile", "$queueB/$xfile") == 0) { + $bang = $!; + &syslog('err', 'link(%s, %s/%s): %s', $xfile, $queueB, $xfile, $bang); + print STDERR "$0: link($xfile, $queueB/$xfile): $bang\n"; + unlink("$queueB/$dfile"); + unlink("$queueB/$qfile"); + exit (1); + } + } + + # Links created successfully. Unlink the original files, release the + # lock, and close the file. + print "links ok\n" if ($debug); + if (unlink($qfile) == 0) { + $bang = $!; + &syslog('err', 'unlink(%s): %s', $qfile, $bang); + print STDERR "$0: unlink($qfile): $bang\n"; + exit (1); + } + if (unlink($dfile) == 0) { + $bang = $!; + &syslog('err', 'unlink(%s): %s', $dfile, $bang); + print STDERR "$0: unlink($dfile): $bang\n"; + exit (1); + } + if (-e "$xfile") { + if (unlink($xfile) == 0) { + $bang = $!; + &syslog('err', 'unlink(%s): %s', $xfile, $bang); + print STDERR "$0: unlink($xfile): $bang\n"; + exit (1); + } + } + flock(QF, $LOCK_UN); + close(QF); + &syslog('info', '%s moved to %s', $mfile, $queueB); + print "Done with $dfile $qfile\n\n" if ($debug); +} diff --git a/contrib/sendmail-8.13.4/contrib/rmail.oldsys.patch b/contrib/sendmail-8.13.4/contrib/rmail.oldsys.patch new file mode 100644 index 0000000000..856fcf1f93 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/rmail.oldsys.patch @@ -0,0 +1,108 @@ +From: Bill Gianopoulos +Message-Id: <199405191527.LAA03463@sccux1.msd.ray.com> +Subject: Patch to rmail to elliminate need for snprintf +To: sendmail@CS.Berkeley.EDU +Date: Thu, 19 May 1994 11:27:16 -0400 (EDT) + +I have written the following patch to rmail which removes the requirement +for snprintf while maintaining the protection from buffer overruns. It also +fixes it to compile with compilers which don't understand ANSI function +prototypes. Perhaps this should be included in the next version? + +*** rmail/rmail.c.orig Mon May 31 18:10:44 1993 +--- rmail/rmail.c Thu May 19 11:04:50 1994 +*************** +*** 78,86 **** +--- 78,109 ---- + #include + #include + ++ #ifdef __STDC__ + void err __P((int, const char *, ...)); + void usage __P((void)); ++ #else ++ void err (); ++ void usage (); ++ #endif + ++ #define strdup(s) strcpy(xalloc(strlen(s) + 1), s) ++ ++ char * ++ xalloc(sz) ++ register int sz; ++ { ++ register char *p; ++ ++ /* some systems can't handle size zero mallocs */ ++ if (sz <= 0) ++ sz = 1; ++ ++ p = malloc((unsigned) sz); ++ if (p == NULL) ++ err(EX_UNAVAILABLE, "Out of memory!!"); ++ return (p); ++ } ++ + int + main(argc, argv) + int argc; +*************** +*** 230,250 **** + args[i++] = "-oi"; /* Ignore '.' on a line by itself. */ + + if (from_sys != NULL) { /* Set sender's host name. */ +! if (strchr(from_sys, '.') == NULL) +! (void)snprintf(buf, sizeof(buf), + "-oMs%s.%s", from_sys, domain); +! else +! (void)snprintf(buf, sizeof(buf), "-oMs%s", from_sys); + if ((args[i++] = strdup(buf)) == NULL) + err(EX_TEMPFAIL, NULL); + } + /* Set protocol used. */ +! (void)snprintf(buf, sizeof(buf), "-oMr%s", domain); + if ((args[i++] = strdup(buf)) == NULL) + err(EX_TEMPFAIL, NULL); + + /* Set name of ``from'' person. */ +! (void)snprintf(buf, sizeof(buf), "-f%s%s", + from_path ? from_path : "", from_user); + if ((args[i++] = strdup(buf)) == NULL) + err(EX_TEMPFAIL, NULL); +--- 253,285 ---- + args[i++] = "-oi"; /* Ignore '.' on a line by itself. */ + + if (from_sys != NULL) { /* Set sender's host name. */ +! if (strchr(from_sys, '.') == NULL) { +! if ((strlen(from_sys) + strlen(domain) + 6) +! > sizeof(buf)) +! err(EX_DATAERR, "sender hostname too long"); +! (void)sprintf(buf, + "-oMs%s.%s", from_sys, domain); +! } +! else { +! if ((strlen(from_sys) + 5) > sizeof(buf)) +! err(EX_DATAERR ,"sender hostname too long"); +! (void)sprintf(buf, "-oMs%s", from_sys); +! } + if ((args[i++] = strdup(buf)) == NULL) + err(EX_TEMPFAIL, NULL); + } + /* Set protocol used. */ +! if ((strlen(domain) + 5) > sizeof(buf)) +! err(EX_DATAERR, "protocol name too long"); +! (void)sprintf(buf, "-oMr%s", domain); + if ((args[i++] = strdup(buf)) == NULL) + err(EX_TEMPFAIL, NULL); + + /* Set name of ``from'' person. */ +! if (((from_path ? strlen(from_path) : 0) + strlen(from_user) + 3) +! > sizeof(buf)) +! err(EX_DATAERR, "from address too long"); +! (void)sprintf(buf, "-f%s%s", + from_path ? from_path : "", from_user); + if ((args[i++] = strdup(buf)) == NULL) + err(EX_TEMPFAIL, NULL); +-- +William A. Gianopoulos; Raytheon Missile Systems Division +wag@sccux1.msd.ray.com diff --git a/contrib/sendmail-8.13.4/contrib/smcontrol.pl b/contrib/sendmail-8.13.4/contrib/smcontrol.pl new file mode 100755 index 0000000000..4987460e4d --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/smcontrol.pl @@ -0,0 +1,413 @@ +#!/usr/local/bin/perl -w + +use strict; +use Getopt::Std; +use FileHandle; +use Socket; + +my $sendmailDaemon = "/usr/sbin/sendmail -q30m -bd"; + +########################################################################## +# +# &get_controlname -- read ControlSocketName option from sendmail.cf +# +# Parameters: +# none. +# +# Returns: +# control socket filename, undef if not found +# + +sub get_controlname +{ + my $cn = undef; + my $qd = undef; + + open(CF, ") + { + chomp; + if (/^O ControlSocketName\s*=\s*([^#]+)$/o) + { + $cn = $1; + } + if (/^O QueueDirectory\s*=\s*([^#]+)$/o) + { + $qd = $1; + } + if (/^OQ([^#]+)$/o) + { + $qd = $1; + } + } + close(CF); + if (not defined $cn) + { + return undef; + } + if ($cn !~ /^\//o) + { + return undef if (not defined $qd); + + $cn = $qd . "/" . $cn; + } + return $cn; +} + +########################################################################## +# +# &do_command -- send command to sendmail daemon view control socket +# +# Parameters: +# controlsocket -- filename for socket +# command -- command to send +# +# Returns: +# reply from sendmail daemon +# + +sub do_command +{ + my $controlsocket = shift; + my $command = shift; + my $proto = getprotobyname('ip'); + my @reply; + my $i; + + socket(SOCK, PF_UNIX, SOCK_STREAM, $proto) or return undef; + + for ($i = 0; $i < 4; $i++) + { + if (!connect(SOCK, sockaddr_un($controlsocket))) + { + if ($i == 3) + { + close(SOCK); + return undef; + } + sleep 1; + next; + } + last; + } + autoflush SOCK 1; + print SOCK "$command\n"; + @reply = ; + close(SOCK); + return join '', @reply; +} + +########################################################################## +# +# &sendmail_running -- check if sendmail is running via SMTP +# +# Parameters: +# none +# +# Returns: +# 1 if running, undef otherwise +# + +sub sendmail_running +{ + my $port = getservbyname("smtp", "tcp") || 25; + my $proto = getprotobyname("tcp"); + my $iaddr = inet_aton("localhost"); + my $paddr = sockaddr_in($port, $iaddr); + + socket(SOCK, PF_INET, SOCK_STREAM, $proto) or return undef; + if (!connect(SOCK, $paddr)) + { + close(SOCK); + return undef; + } + autoflush SOCK 1; + while () + { + if (/^(\d{3})([ -])/) + { + if ($1 != 220) + { + close(SOCK); + return undef; + } + } + else + { + close(SOCK); + return undef; + } + last if ($2 eq " "); + } + print SOCK "QUIT\n"; + while () + { + last if (/^\d{3} /); + } + close(SOCK); + return 1; +} + +########################################################################## +# +# &munge_status -- turn machine readable status into human readable text +# +# Parameters: +# raw -- raw results from sendmail daemon STATUS query +# +# Returns: +# human readable text +# + +sub munge_status +{ + my $raw = shift; + my $cooked = ""; + my $daemonStatus = ""; + + if ($raw =~ /^(\d+)\/(\d+)\/(\d+)\/(\d+)/mg) + { + $cooked .= "Current number of children: $1"; + if ($2 > 0) + { + $cooked .= " (maximum $2)"; + } + $cooked .= "\n"; + $cooked .= "QueueDir free disk space (in blocks): $3\n"; + $cooked .= "Load average: $4\n"; + } + while ($raw =~ /^(\d+) (.*)$/mg) + { + if (not $daemonStatus) + { + $daemonStatus = "(process $1) " . ucfirst($2) . "\n"; + } + else + { + $cooked .= "Child Process $1 Status: $2\n"; + } + } + return ($daemonStatus, $cooked); +} + +########################################################################## +# +# &start_daemon -- fork off a sendmail daemon +# +# Parameters: +# control -- control socket name +# +# Returns: +# Error message or "OK" if successful +# + +sub start_daemon +{ + my $control = shift; + my $pid; + + if ($pid = fork) + { + my $exitstat; + + waitpid $pid, 0 or return "Could not get status of created process: $!\n"; + $exitstat = $? / 256; + if ($exitstat != 0) + { + return "sendmail daemon startup exited with exit value $exitstat"; + } + } + elsif (defined $pid) + { + exec($sendmailDaemon); + die "Unable to start sendmail daemon: $!.\n"; + } + else + { + return "Could not create new process: $!\n"; + } + return "OK\n"; +} + +########################################################################## +# +# &stop_daemon -- stop the sendmail daemon using control socket +# +# Parameters: +# control -- control socket name +# +# Returns: +# Error message or status message +# + +sub stop_daemon +{ + my $control = shift; + my $status; + + if (not defined $control) + { + return "The control socket is not configured so the daemon can not be stopped.\n"; + } + return &do_command($control, "SHUTDOWN"); +} + +########################################################################## +# +# &restart_daemon -- restart the sendmail daemon using control socket +# +# Parameters: +# control -- control socket name +# +# Returns: +# Error message or status message +# + +sub restart_daemon +{ + my $control = shift; + my $status; + + if (not defined $control) + { + return "The control socket is not configured so the daemon can not be restarted."; + } + return &do_command($control, "RESTART"); +} + +########################################################################## +# +# &memdump -- get memdump from the daemon using the control socket +# +# Parameters: +# control -- control socket name +# +# Returns: +# Error message or status message +# + +sub memdump +{ + my $control = shift; + my $status; + + if (not defined $control) + { + return "The control socket is not configured so the daemon can not be queried for memdump."; + } + return &do_command($control, "MEMDUMP"); +} + +########################################################################## +# +# &help -- get help from the daemon using the control socket +# +# Parameters: +# control -- control socket name +# +# Returns: +# Error message or status message +# + +sub help +{ + my $control = shift; + my $status; + + if (not defined $control) + { + return "The control socket is not configured so the daemon can not be queried for help."; + } + return &do_command($control, "HELP"); +} + +my $status = undef; +my $daemonStatus = undef; +my $opts = {}; + +getopts('f:', $opts) || die "Usage: $0 [-f /path/to/control/socket] command\n"; + +my $control = $opts->{f} || &get_controlname; +my $command = shift; + +if (not defined $control) +{ + die "No control socket available.\n"; +} +if (not defined $command) +{ + die "Usage: $0 [-f /path/to/control/socket] command\n"; +} +if ($command eq "status") +{ + $status = &do_command($control, "STATUS"); + if (not defined $status) + { + # Not responding on control channel, query via SMTP + if (&sendmail_running) + { + $daemonStatus = "Sendmail is running but not answering status queries."; + } + else + { + $daemonStatus = "Sendmail does not appear to be running."; + } + } + else + { + # Munge control channel output + ($daemonStatus, $status) = &munge_status($status); + } +} +elsif (lc($command) eq "shutdown") +{ + $status = &stop_daemon($control); +} +elsif (lc($command) eq "restart") +{ + $status = &restart_daemon($control); +} +elsif (lc($command) eq "start") +{ + $status = &start_daemon($control); +} +elsif (lc($command) eq "memdump") +{ + $status = &memdump($control); +} +elsif (lc($command) eq "help") +{ + $status = &help($control); +} +elsif (lc($command) eq "mstat") +{ + $status = &do_command($control, "mstat"); + if (not defined $status) + { + # Not responding on control channel, query via SMTP + if (&sendmail_running) + { + $daemonStatus = "Sendmail is running but not answering status queries."; + } + else + { + $daemonStatus = "Sendmail does not appear to be running."; + } + } +} +else +{ + die "Unrecognized command $command\n"; +} +if (defined $daemonStatus) +{ + print "Daemon Status: $daemonStatus\n"; +} +if (defined $status) +{ + print "$status\n"; +} +else +{ + die "No response\n"; +} diff --git a/contrib/sendmail-8.13.4/contrib/socketmapClient.pl b/contrib/sendmail-8.13.4/contrib/socketmapClient.pl new file mode 100755 index 0000000000..28fe603980 --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/socketmapClient.pl @@ -0,0 +1,67 @@ +#!/usr/bin/perl -w +# +# Contributed by Bastiaan Bakker for SOCKETMAP +# $Id: socketmapClient.pl,v 1.1 2003/05/21 15:36:33 ca Exp $ + +use strict; +use IO::Socket; + +die "usage: $0 [ ...]" if (@ARGV < 3); + +my $connection = shift @ARGV; +my $mapname = shift @ARGV; + +my $sock; + +if ($connection =~ /tcp:(.+):([0-9]*)/) { + $sock = new IO::Socket::INET ( + PeerAddr => $1, + PeerPort => $2, + Proto => 'tcp', + ); +} elsif ($connection =~ /((unix)|(local)):(.+)/) { + $sock = new IO::Socket::UNIX ( + Type => SOCK_STREAM, + Peer => $4 + ); +} else { + die "unrecognized connection specification $connection"; +} + +die "Could not create socket: $!\n" unless $sock; + +while(my $key = shift @ARGV) { + my $request = "$mapname $key"; + netstringWrite($sock, $request); + $sock->flush(); + my $response = netstringRead($sock); + + print "$key => $response\n"; +} + +$sock->close(); + +sub netstringWrite { + my $sock = shift; + my $data = shift; + + print $sock length($data).':'.$data.','; +} + +sub netstringRead { + my $sock = shift; + my $saveSeparator = $/; + $/ = ':'; + my $dataLength = <$sock>; + die "cannot read netstring length" unless defined($dataLength); + chomp $dataLength; + my $data; + if ($sock->read($data, $dataLength) == $dataLength) { + ($sock->getc() eq ',') or die "data misses closing ,"; + } else { + die "received only ".length($data)." of $dataLength bytes"; + } + + $/ = $saveSeparator; + return $data; +} diff --git a/contrib/sendmail-8.13.4/contrib/socketmapServer.pl b/contrib/sendmail-8.13.4/contrib/socketmapServer.pl new file mode 100755 index 0000000000..153e9ef0ab --- /dev/null +++ b/contrib/sendmail-8.13.4/contrib/socketmapServer.pl @@ -0,0 +1,98 @@ +#!/usr/bin/perl -w +# +# Contributed by Bastiaan Bakker for SOCKETMAP +# $Id: socketmapServer.pl,v 1.1 2003/05/21 15:36:33 ca Exp $ + +use strict; +use IO::Socket; + +die "usage: $0 " if (@ARGV < 1); +my $connection = shift @ARGV; +my $sock; + +if ($connection =~ /tcp:(.+):([0-9]*)/) { + $sock = new IO::Socket::INET ( + LocalAddr => $1, + LocalPort => $2, + Proto => 'tcp', + Listen => 32, + ReuseAddr => 1 + ); +} elsif ($connection =~ /((unix)|(local)):(.+)/) { + unlink($4); + $sock = new IO::Socket::UNIX ( + Type => SOCK_STREAM, + Local => $4, + Listen => 32 + ); +} else { + die "unrecognized connection specification $connection"; +} + +while(my $client = $sock->accept()) { + my $childpid = fork(); + if ($childpid) { + $client->close(); + } else { + die "can't fork $!" unless defined($childpid); + $sock->close(); + handleConnection($client); + $client->close(); + exit; + } +} + +$sock->close(); + +sub handleConnection { + my $client = shift; + $client->autoflush(1); + + while(!eof($client)) { + eval { + my $request = netstringRead($client); + my ($mapName, $key) = split(' ', $request); + my $value = mapLookup($mapName, $key); + my $result = (defined($value)) ? "OK $value" : "NOTFOUND"; + netstringWrite($client, $result); + }; + if ($@) { + print STDERR "$@\n"; + last; + } + } +} + +sub mapLookup { + my %mapping = ('bastiaan.bakker@example.com' => 'bastiaan', + 'wolter.eldering@example.com' => 'wolter@other.example.com'); + my $mapName = shift; + my $key = shift; + my $value = ($mapName eq "virtuser") ? $mapping{$key} : undef; + return $value; +} + +sub netstringWrite { + my $sock = shift; + my $data = shift; + + print $sock length($data).':'.$data.','; +} + +sub netstringRead { + my $sock = shift; + my $saveSeparator = $/; + $/ = ':'; + my $dataLength = <$sock>; + die "cannot read netstring length" unless defined($dataLength); + chomp $dataLength; + my $data; + if ($sock->read($data, $dataLength) == $dataLength) { + ($sock->getc() eq ',') or die "data misses closing ,"; + } else { + die "received only ".length($data)." of $dataLength bytes"; + } + + $/ = $saveSeparator; + return $data; +} diff --git a/contrib/sendmail-8.13.4/doc/op/Makefile b/contrib/sendmail-8.13.4/doc/op/Makefile new file mode 100644 index 0000000000..ffa4e76d19 --- /dev/null +++ b/contrib/sendmail-8.13.4/doc/op/Makefile @@ -0,0 +1,38 @@ +# $Id: Makefile,v 8.15 2004/07/20 20:25:10 ca Exp $ + +DIR= smm/08.sendmailop +SRCS= op.me +OBJS= op.ps +MACROS= -me +ROFF_CMD= groff +PIC_CMD= pic +EQN_CMD= eqn +UL_CMD= ul +PS2PDF_CMD= ps2pdf +PIC= ${PIC_CMD} -C +EQNASCII= ${EQN_CMD} -C -Tascii +EQNPS= ${EQN_CMD} -C -Tps +ROFFASCII= ${ROFF_CMD} -Tascii ${MACROS} +ROFFPS= ${ROFF_CMD} -Tps -mps ${MACROS} +ULASCII= ${UL_CMD} -t dumb +PS2PDF= ${PS2PDF_CMD} + +all: ${OBJS} + +op.ps: ${SRCS} + rm -f $@ + ${PIC} ${SRCS} | ${EQNPS} | ${ROFFPS} > $@ + +op.txt: ${SRCS} + rm -f $@ + @echo "Note: see README file in case of errors." + ${PIC} ${SRCS} | ${EQNASCII} | ${ROFFASCII} | ${ULASCII} > $@ + +op.pdf: op.ps + rm -f $@ + ${PS2PDF} op.ps op.pdf + +clean: + rm -f op.ps op.txt op.pdf + +install: ${OBJS} diff --git a/contrib/sendmail-8.13.4/doc/op/README b/contrib/sendmail-8.13.4/doc/op/README new file mode 100644 index 0000000000..9ad8f5a9d6 --- /dev/null +++ b/contrib/sendmail-8.13.4/doc/op/README @@ -0,0 +1,13 @@ +Known Problems with some *roff versions + +If you encounter the error: + +Unknown escape sequence in input: 33, 133 + +when trying to create op.txt then set the GROFF_NO_SGR environment +variable (see grotty(1) man page), e.g., + +csh% setenv GROFF_NO_SGR 1 +sh$ GROFF_NO_SGR=1; export GROFF_NO_SGR + +$Id: README,v 8.1 2004/07/20 20:25:10 ca Exp $ diff --git a/contrib/sendmail-8.13.4/doc/op/op.me b/contrib/sendmail-8.13.4/doc/op/op.me new file mode 100644 index 0000000000..72bec041eb --- /dev/null +++ b/contrib/sendmail-8.13.4/doc/op/op.me @@ -0,0 +1,11350 @@ +.\" Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. +.\" Copyright (c) 1983, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: op.me,v 8.704 2005/02/01 00:40:57 ca Exp $ +.\" +.\" eqn op.me | pic | troff -me +.\" +.\" Define \(sc if not defined (for text output) +.\" +.if !c \(sc .char \(sc S +.\" +.\" Define \(dg as "*" for text output and create a new .DG macro +.\" which describes the symbol. +.\" +.if n .ds { [ +.if n .ds } ] +.ie !c \(dg \{\ +.char \(dg * +.de DG +an asterick +.. +.\} +.el \{\ +.de DG +a dagger +.. +.\} +.\" +.\" Define \(dd as "#" for text output and create a new .DD macro +.\" which describes the symbol. +.\" +.ie !c \(dd \{\ +.char \(dd # +.de DD +a pound sign +.. +.\} +.el \{\ +.de DD +a double dagger +.. +.\} +.eh 'SMM:08-%''Sendmail Installation and Operation Guide' +.oh 'Sendmail Installation and Operation Guide''SMM:08-%' +.\" SD is lib if sendmail is installed in /usr/lib, sbin if in /usr/sbin +.ds SD sbin +.\" SB is bin if newaliases/mailq are installed in /usr/bin, ucb if in /usr/ucb +.ds SB bin +.nr si 3n +.de $0 +.(x +.in \\$3u*3n +.ti -3n +\\$2. \\$1 +.)x +.. +.de $C +.(x +.in 0 +\\$1 \\$2. \\$3 +.)x +.. +.+c +.(l C +.sz 16 +.b SENDMAIL\u\s-6TM\s0\d +.sz 12 +.sp +.b "INSTALLATION AND OPERATION GUIDE" +.(f +.b DISCLAIMER: +This documentation is under modification. +.)f +.sz 10 +.sp +.r +Eric Allman +Claus Assmann +Gregory Neil Shapiro +Sendmail, Inc. +.sp +.de Ve +Version \\$2 +.. +.Ve $Revision: 8.704 $ +.rm Ve +.sp +For Sendmail Version 8.13 +.)l +.(f +Sendmail is a trademark of Sendmail, Inc. +.)f +.sp 2 +.pp +.i Sendmail \u\s-2TM\s0\d +implements a general purpose internetwork mail routing facility +under the UNIX\(rg +operating system. +It is not tied to any one transport protocol \*- +its function may be likened to a crossbar switch, +relaying messages from one domain into another. +In the process, +it can do a limited amount of message header editing +to put the message into a format that is appropriate +for the receiving domain. +All of this is done under the control of a configuration file. +.pp +Due to the requirements of flexibility +for +.i sendmail , +the configuration file can seem somewhat unapproachable. +However, there are only a few basic configurations +for most sites, +for which standard configuration files have been supplied. +Most other configurations +can be built by adjusting an existing configuration file +incrementally. +.pp +.i Sendmail +is based on +RFC 821 (Simple Mail Transport Protocol), +RFC 822 (Internet Mail Headers Format), +RFC 974 (MX routing), +RFC 1123 (Internet Host Requirements), +RFC 1413 (Identification server), +RFC 1652 (SMTP 8BITMIME Extension), +RFC 1869 (SMTP Service Extensions), +RFC 1870 (SMTP SIZE Extension), +RFC 1891 (SMTP Delivery Status Notifications), +RFC 1892 (Multipart/Report), +RFC 1893 (Enhanced Mail System Status Codes), +RFC 1894 (Delivery Status Notifications), +RFC 1985 (SMTP Service Extension for Remote Message Queue Starting), +RFC 2033 (Local Message Transmission Protocol), +RFC 2034 (SMTP Service Extension for Returning Enhanced Error Codes), +RFC 2045 (MIME), +RFC 2476 (Message Submission), +RFC 2487 (SMTP Service Extension for Secure SMTP over TLS), +RFC 2554 (SMTP Service Extension for Authentication), +RFC 2821 (Simple Mail Transfer Protocol), +RFC 2822 (Internet Message Format), +RFC 2852 (Deliver By SMTP Service Extension), +and +RFC 2920 (SMTP Service Extension for Command Pipelining). +However, since +.i sendmail +is designed to work in a wider world, +in many cases it can be configured to exceed these protocols. +These cases are described herein. +.pp +Although +.i sendmail +is intended to run +without the need for monitoring, +it has a number of features +that may be used to monitor or adjust the operation +under unusual circumstances. +These features are described. +.pp +Section one describes how to do a basic +.i sendmail +installation. +Section two +explains the day-to-day information you should know +to maintain your mail system. +If you have a relatively normal site, +these two sections should contain sufficient information +for you to install +.i sendmail +and keep it happy. +Section three +has information regarding the command line arguments. +Section four +describes some parameters that may be safely tweaked. +Section five +contains the nitty-gritty information about the configuration +file. +This section is for masochists +and people who must write their own configuration file. +Section six +describes configuration that can be done at compile time. +The appendixes give a brief +but detailed explanation of a number of features +not described in the rest of the paper. +.bp 7 +.sh 1 "BASIC INSTALLATION" +.pp +There are two basic steps to installing +.i sendmail . +First, you have to compile and install the binary. +If +.i sendmail +has already been ported to your operating system +that should be simple. +Second, you must build a run-time configuration file. +This is a file that +.i sendmail +reads when it starts up +that describes the mailers it knows about, +how to parse addresses, +how to rewrite the message header, +and the settings of various options. +Although the configuration file can be quite complex, +a configuration can usually be built +using an M4-based configuration language. +Assuming you have the standard +.i sendmail +distribution, see +.i cf/README +for further information. +.pp +The remainder of this section will describe the installation of +.i sendmail +assuming you can use one of the existing configurations +and that the standard installation parameters are acceptable. +All pathnames and examples +are given from the root of the +.i sendmail +subtree, +normally +.i /usr/src/usr.\*(SD/sendmail +on 4.4BSD-based systems. +.pp +Continue with the next section if you need/want to compile +.i sendmail +yourself. +If you have a running binary already on your system, +you should probably skip to section 1.2. +.sh 2 "Compiling Sendmail" +.pp +All +.i sendmail +source is in the +.i sendmail +subdirectory. +To compile sendmail, +.q cd +into the +.i sendmail +directory and type +.(b +\&./Build +.)b +This will leave the binary in an appropriately named subdirectory, +e.g., +obj.BSD-OS.2.1.i386. +It works for multiple object versions +compiled out of the same directory. +.sh 3 "Tweaking the Build Invocation" +.pp +You can give parameters on the +.i Build +command. +In most cases these are only used when the +.i obj.* +directory is first created. +To restart from scratch, use +.i -c . +These commands include: +.nr ii 0.5i +.ip "\-L \fIlibdirs\fP" +A list of directories to search for libraries. +.ip "\-I \fIincdirs\fP" +A list of directories to search for include files. +.ip "\-E \fIenvar\fP=\fIvalue\fP" +Set an environment variable to an indicated +.i value +before compiling. +.ip "\-c" +Create a new +.i obj.* +tree before running. +.ip "\-f \fIsiteconfig\fP" +Read the indicated site configuration file. +If this parameter is not specified, +.i Build +includes +.i all +of the files +.i $BUILDTOOLS/Site/site.$oscf.m4 +and +.i $BUILDTOOLS/Site/site.config.m4 , +where $BUILDTOOLS is normally +.i \&../devtools +and $oscf is the same name as used on the +.i obj.* +directory. +See below for a description of the site configuration file. +.ip "\-S" +Skip auto-configuration. +.i Build +will avoid auto-detecting libraries if this is set. +All libraries and map definitions must be specified +in the site configuration file. +.lp +Most other parameters are passed to the +.i make +program; for details see +.i $BUILDTOOLS/README . +.sh 3 "Creating a Site Configuration File" +.\"XXX +.pp +(This section is not yet complete. +For now, see the file devtools/README for details.) +See sendmail/README for various compilation flags that can be set. +.sh 3 "Tweaking the Makefile" +.pp +.\" .b "XXX This should all be in the Site Configuration File section." +.i Sendmail +supports two different formats +for the local (on disk) version of databases, +notably the +.i aliases +database. +At least one of these should be defined if at all possible. +.nr ii 1i +.ip NDBM +The ``new DBM'' format, +available on nearly all systems around today. +This was the preferred format prior to 4.4BSD. +It allows such complex things as multiple databases +and closing a currently open database. +.ip NEWDB +The Berkeley DB package. +If you have this, use it. +It allows +long records, +multiple open databases, +real in-memory caching, +and so forth. +You can define this in conjunction with +.sm NDBM ; +if you do, +old alias databases are read, +but when a new database is created it will be in NEWDB format. +As a nasty hack, +if you have NEWDB, NDBM, and NIS defined, +and if the alias file name includes the substring +.q /yp/ , +.i sendmail +will create both new and old versions of the alias file +during a +.i newalias +command. +This is required because the Sun NIS/YP system +reads the DBM version of the alias file. +It's ugly as sin, +but it works. +.lp +If neither of these are defined, +.i sendmail +reads the alias file into memory on every invocation. +This can be slow and should be avoided. +There are also several methods for remote database access: +.ip LDAP +Lightweight Directory Access Protocol. +.ip NIS +Sun's Network Information Services (formerly YP). +.ip NISPLUS +Sun's NIS+ services. +.ip NETINFO +NeXT's NetInfo service. +.ip HESIOD +Hesiod service (from Athena). +.lp +Other compilation flags are set in +.i conf.h +and should be predefined for you +unless you are porting to a new environment. +For more options see +.i sendmail/README . +.sh 3 "Compilation and installation" +.pp +After making the local system configuration described above, +You should be able to compile and install the system. +The script +.q Build +is the best approach on most systems: +.(b +\&./Build +.)b +This will use +.i uname (1) +to create a custom Makefile for your environment. +.pp +If you are installing in the standard places, +you should be able to install using +.(b +\&./Build install +.)b +This should install the binary in +/usr/\*(SD +and create links from +/usr/\*(SB/newaliases +and +/usr/\*(SB/mailq +to +/usr/\*(SD/sendmail. +On most systems it will also format and install man pages. +Notice: as of version 8.12 +.i sendmail +will no longer be installed set-user-ID root by default. +If you really want to use the old method, you can specify it as target: +.(b +\&./Build install-set-user-id +.)b +.sh 2 "Configuration Files" +.pp +.i Sendmail +cannot operate without a configuration file. +The configuration defines the mail delivery mechanisms understood at this site, +how to access them, +how to forward email to remote mail systems, +and a number of tuning parameters. +This configuration file is detailed +in the later portion of this document. +.pp +The +.i sendmail +configuration can be daunting at first. +The world is complex, +and the mail configuration reflects that. +The distribution includes an m4-based configuration package +that hides a lot of the complexity. +See +.i cf/README +for details. +.pp +Our configuration files are processed by +.i m4 +to facilitate local customization; +the directory +.i cf +of the +.i sendmail +distribution directory +contains the source files. +This directory contains several subdirectories: +.nr ii 1i +.ip cf +Both site-dependent and site-independent descriptions of hosts. +These can be literal host names +(e.g., +.q ucbvax.mc ) +when the hosts are gateways +or more general descriptions +(such as +.q "generic-solaris2.mc" +as a general description of an SMTP-connected host +running Solaris 2.x. +Files ending +.b \&.mc +(``M4 Configuration'') +are the input descriptions; +the output is in the corresponding +.b \&.cf +file. +The general structure of these files is described below. +.ip domain +Site-dependent subdomain descriptions. +These are tied to the way your organization wants to do addressing. +For example, +.b domain/CS.Berkeley.EDU.m4 +is our description for hosts in the CS.Berkeley.EDU subdomain. +These are referenced using the +.sm DOMAIN +.b m4 +macro in the +.b \&.mc +file. +.ip feature +Definitions of specific features that some particular host in your site +might want. +These are referenced using the +.sm FEATURE +.b m4 +macro. +An example feature is +use_cw_file +(which tells +.i sendmail +to read an /etc/mail/local-host-names file on startup +to find the set of local names). +.ip hack +Local hacks, referenced using the +.sm HACK +.b m4 +macro. +Try to avoid these. +The point of having them here is to make it clear that they smell. +.ip m4 +Site-independent +.i m4 (1) +include files that have information common to all configuration files. +This can be thought of as a +.q #include +directory. +.ip mailer +Definitions of mailers, +referenced using the +.sm MAILER +.b m4 +macro. +The mailer types that are known in this distribution are +fax, +local, +smtp, +uucp, +and usenet. +For example, to include support for the UUCP-based mailers, +use +.q MAILER(uucp) . +.ip ostype +Definitions describing various operating system environments +(such as the location of support files). +These are referenced using the +.sm OSTYPE +.b m4 +macro. +.ip sh +Shell files used by the +.b m4 +build process. +You shouldn't have to mess with these. +.ip siteconfig +Local UUCP connectivity information. +This directory has been supplanted by the mailertable feature; +any new configurations should use that feature to do UUCP +(and other) routing. +The use of this directory is deprecated. +.pp +If you are in a new domain +(e.g., a company), +you will probably want to create a +cf/domain +file for your domain. +This consists primarily of relay definitions +and features you want enabled site-wide: +for example, Berkeley's domain definition +defines relays for +BitNET +and UUCP. +These are specific to Berkeley, +and should be fully-qualified internet-style domain names. +Please check to make certain they are reasonable for your domain. +.pp +Subdomains at Berkeley are also represented in the +cf/domain +directory. +For example, +the domain +CS.Berkeley.EDU +is the Computer Science subdomain, +EECS.Berkeley.EDU +is the Electrical Engineering and Computer Sciences subdomain, +and +S2K.Berkeley.EDU +is the Sequoia 2000 subdomain. +You will probably have to add an entry to this directory +to be appropriate for your domain. +.pp +You will have to use or create +.b \&.mc +files in the +.i cf/cf +subdirectory for your hosts. +This is detailed in the +cf/README +file. +.sh 2 "Details of Installation Files" +.pp +This subsection describes the files that +comprise the +.i sendmail +installation. +.sh 3 "/usr/\*(SD/sendmail" +.pp +The binary for +.i sendmail +is located in /usr/\*(SD\**. +.(f +\**This is usually +/usr/sbin +on 4.4BSD and newer systems; +many systems install it in +/usr/lib. +I understand it is in /usr/ucblib +on System V Release 4. +.)f +It should be set-group-ID smmsp as described in +sendmail/SECURITY. +For security reasons, +/, /usr, and /usr/\*(SD +should be owned by root, mode 0755\**. +.(f +\**Some vendors ship them owned by bin; +this creates a security hole that is not actually related to +.i sendmail . +Other important directories that should have restrictive ownerships +and permissions are +/bin, /usr/bin, /etc, /etc/mail, /usr/etc, /lib, and /usr/lib. +.)f +.sh 3 "/etc/mail/sendmail.cf" +.pp +This is the main configuration file for +.i sendmail \**. +.(f +\**Actually, the pathname varies depending on the operating system; +/etc/mail is the preferred directory. +Some older systems install it in +.b /usr/lib/sendmail.cf , +and I've also seen it in +.b /usr/ucblib . +If you want to move this file, +add -D_PATH_SENDMAILCF=\e"/file/name\e" +to the flags passed to the C compiler. +Moving this file is not recommended: +other programs and scripts know of this location. +.)f +This is one of the two non-library file names compiled into +.i sendmail \**, +the other is /etc/mail/submit.cf. +.(f +\**The system libraries can reference other files; +in particular, system library subroutines that +.i sendmail +calls probably reference +.i /etc/passwd +and +.i /etc/resolv.conf . +.)f +.pp +The configuration file is normally created +using the distribution files described above. +If you have a particularly unusual system configuration +you may need to create a special version. +The format of this file is detailed in later sections +of this document. +.sh 3 "/etc/mail/submit.cf" +.pp +This is the configuration file for +.i sendmail +when it is used for initial mail submission, in which case +it is also called ``Mail Submission Program'' (MSP) +in contrast to ``Mail Transfer Agent'' (MTA). +Starting with version 8.12, +.i sendmail +uses one of two different configuration files based on its operation mode +(or the new +.b \-A +option). +For initial mail submission, i.e., if one of the options +.b \-bm +(default), +.b \-bs , +or +.b \-t +is specified, submit.cf is used (if available), +for other operations sendmail.cf is used. +Details can be found in +.i sendmail/SECURITY . +submit.cf is shipped with sendmail (in cf/cf/) and is installed by default. +If changes to the configuration need to be made, start with +cf/cf/submit.mc and follow the instruction in cf/README. +.sh 3 "/usr/\*(SB/newaliases" +.pp +The +.i newaliases +command should just be a link to +.i sendmail : +.(b +rm \-f /usr/\*(SB/newaliases +ln \-s /usr/\*(SD/sendmail /usr/\*(SB/newaliases +.)b +This can be installed in whatever search path you prefer +for your system. +.sh 3 "/usr/\*(SB/hoststat" +.pp +The +.i hoststat +command should just be a link to +.i sendmail , +in a fashion similar to +.i newaliases . +This command lists the status of the last mail transaction +with all remote hosts. The +.b \-v +flag will prevent the status display from being truncated. +It functions only when the +.b HostStatusDirectory +option is set. +.sh 3 "/usr/\*(SB/purgestat" +.pp +This command is also a link to +.i sendmail . +It flushes expired (Timeout.hoststatus) information that is stored in the +.b HostStatusDirectory +tree. +.sh 3 "/var/spool/mqueue" +.pp +The directory +.i /var/spool/mqueue +should be created to hold the mail queue. +This directory should be mode 0700 +and owned by root. +.pp +The actual path of this directory +is defined by the +.b QueueDirectory +option of the +.i sendmail.cf +file. +To use multiple queues, +supply a value ending with an asterisk. +For example, +.i /var/spool/mqueue/qd* +will use all of the directories or symbolic links to directories +beginning with `qd' in +.i /var/spool/mqueue +as queue directories. +Do not change the queue directory structure +while sendmail is running. +.pp +If these directories have subdirectories or symbolic links to directories +named `qf', `df', and `xf', then these will be used for the different +queue file types. +That is, the data files are stored in the `df' subdirectory, +the transcript files are stored in the `xf' subdirectory, and +all others are stored in the `qf' subdirectory. +.pp +If shared memory support is compiled in, +.i sendmail +stores the available diskspace in a shared memory segment +to make the values readily available to all children without +incurring system overhead. +In this case, only the daemon updates the data; +i.e., the sendmail daemon creates the shared memory segment +and deletes it if it is terminated. +To use this, +.i sendmail +must have been compiled with support for shared memory +(-DSM_CONF_SHM) +and the option +.b SharedMemoryKey +must be set. +Notice: do not use the same key for +.i sendmail +invocations with different queue directories +or different queue group declarations. +Access to shared memory is not controlled by locks, +i.e., there is a race condition when data in the shared memory is updated. +However, since operation of +.i sendmail +does not rely on the data in the shared memory, this does not negatively +influence the behavior. +.sh 3 "/var/spool/clientmqueue" +.pp +The directory +.i /var/spool/clientmqueue +should be created to hold the mail queue. +This directory should be mode 0770 +and owned by user smmsp, group smmsp. +.pp +The actual path of this directory +is defined by the +.b QueueDirectory +option of the +.i submit.cf +file. +.sh 3 "/var/spool/mqueue/.hoststat" +.pp +This is a typical value for the +.b HostStatusDirectory +option, +containing one file per host +that this sendmail has chatted with recently. +It is normally a subdirectory of +.i mqueue . +.sh 3 "/etc/mail/aliases*" +.pp +The system aliases are held in +.q /etc/mail/aliases . +A sample is given in +.q sendmail/aliases +which includes some aliases which +.i must +be defined: +.(b +cp sendmail/aliases /etc/mail/aliases +.i "edit /etc/mail/aliases" +.)b +You should extend this file with any aliases that are apropos to your system. +.pp +Normally +.i sendmail +looks at a database version of the files, +stored either in +.q /etc/mail/aliases.dir +and +.q /etc/mail/aliases.pag +or +.q /etc/mail/aliases.db +depending on which database package you are using. +The actual path of this file +is defined in the +.b AliasFile +option of the +.i sendmail.cf +file. +.pp +The permissions of the alias file and the database versions +should be 0640 to prevent local denial of service attacks +as explained in the top level +.b README +in the sendmail distribution. +If the permissions 0640 are used, be sure that only trusted users belong +to the group assigned to those files. Otherwise, files should not even +be group readable. +.sh 3 "/etc/rc or /etc/init.d/sendmail" +.pp +It will be necessary to start up the +.i sendmail +daemon when your system reboots. +This daemon performs two functions: +it listens on the SMTP socket for connections +(to receive mail from a remote system) +and it processes the queue periodically +to insure that mail gets delivered when hosts come up. +.pp +If necessary, add the following lines to +.q /etc/rc +(or +.q /etc/rc.local +as appropriate) +in the area where it is starting up the daemons +on a BSD-base system, +or on a System-V-based system +in one of the startup files, typically +.q /etc/init.d/sendmail : +.(b +if [ \-f /usr/\*(SD/sendmail \-a \-f /etc/mail/sendmail.cf ]; then + (cd /var/spool/mqueue; rm \-f xf*) + /usr/\*(SD/sendmail \-bd \-q30m & + echo \-n ' sendmail' >/dev/console +fi +.)b +The +.q cd +and +.q rm +commands insure that all transcript files have been removed; +extraneous transcript files may be left around +if the system goes down in the middle of processing a message. +The line that actually invokes +.i sendmail +has two flags: +.q \-bd +causes it to listen on the SMTP port, +and +.q \-q30m +causes it to run the queue every half hour. +.pp +Some people use a more complex startup script, +removing zero length qf/hf/Qf files and df files for which there is no +qf/hf/Qf file. +Note this is not advisable. +For example, see Figure 1 +for an example of a complex script which does this clean up. +.(z +.hl +#!/bin/sh +# remove zero length qf/hf/Qf files +for qffile in qf* hf* Qf* +do + if [ \-r $qffile ] + then + if [ ! \-s $qffile ] + then + echo \-n " " > /dev/console + rm \-f $qffile + fi + fi +done +# rename tf files to be qf if the qf does not exist +for tffile in tf* +do + qffile=`echo $tffile | sed 's/t/q/'` + if [ \-r $tffile \-a ! \-f $qffile ] + then + echo \-n " " > /dev/console + mv $tffile $qffile + else + if [ \-f $tffile ] + then + echo \-n " " > /dev/console + rm \-f $tffile + fi + fi +done +# remove df files with no corresponding qf/hf/Qf files +for dffile in df* +do + qffile=`echo $dffile | sed 's/d/q/'` + hffile=`echo $dffile | sed 's/d/h/'` + Qffile=`echo $dffile | sed 's/d/Q/'` + if [ \-r $dffile \-a ! \-f $qffile \-a ! \-f $hffile \-a ! \-f $Qffile ] + then + echo \-n " " > /dev/console + mv $dffile `echo $dffile | sed 's/d/D/'` + fi +done +# announce files that have been saved during disaster recovery +for xffile in [A-Z]f* +do + if [ \-f $xffile ] + then + echo \-n " " > /dev/console + fi +done +.sp +.ce +Figure 1 \(em A complex startup script +.hl +.)z +.sh 3 "/etc/mail/helpfile" +.pp +This is the help file used by the SMTP +.b HELP +command. +It should be copied from +.q sendmail/helpfile : +.(b +cp sendmail/helpfile /etc/mail/helpfile +.)b +The actual path of this file +is defined in the +.b HelpFile +option of the +.i sendmail.cf +file. +.sh 3 "/etc/mail/statistics" +.pp +If you wish to collect statistics +about your mail traffic, +you should create the file +.q /etc/mail/statistics : +.(b +cp /dev/null /etc/mail/statistics +chmod 0600 /etc/mail/statistics +.)b +This file does not grow. +It is printed with the program +.q mailstats/mailstats.c. +The actual path of this file +is defined in the +.b S +option of the +.i sendmail.cf +file. +.sh 3 "/usr/\*(SB/mailq" +.pp +If +.i sendmail +is invoked as +.q mailq, +it will simulate the +.b \-bp +flag +(i.e., +.i sendmail +will print the contents of the mail queue; +see below). +This should be a link to /usr/\*(SD/sendmail. +.sh 3 "sendmail.pid" +.pp +.i sendmail +stores its current pid in the file specifed by the +.b PidFile +option (default is _PATH_SENDMAILPID). +.i sendmail +uses +.b TempFileMode +(which defaults to 0600) as +the permissions of that file +to prevent local denial of service attacks +as explained in the top level +.b README +in the sendmail distribution. +If the file already exists, then it might be necessary to +change the permissions accordingly, e.g., +.(b +chmod 0600 /var/run/sendmail.pid +.)b +Note that as of version 8.13, this file is unlinked when +.i sendmail +exits. +As a result of this change, a script such as the following, +which may have worked prior to 8.13, will no longer work: +.(b +# stop & start sendmail +PIDFILE=/var/run/sendmail.pid +kill `head -1 $PIDFILE` +`tail -1 $PIDFILE` +.)b +because it assumes that the pidfile will still exist even +after killing the process to which it refers. +Below is a script which will work correctly +on both newer and older versions: +.(b +# stop & start sendmail +PIDFILE=/var/run/sendmail.pid +pid=`head -1 $PIDFILE` +cmd=`tail -1 $PIDFILE` +kill $pid +$cmd +.)b +This is just an example script, it does not perform any error checks, +e.g., whether the pidfile exists at all. +.sh 3 "Map Files" +.pp +To prevent local denial of service attacks +as explained in the top level +.b README +in the sendmail distribution, +the permissions of map files created by +.i makemap +should be 0640. +The use of 0640 implies that only trusted users belong to the group +assigned to those files. +If those files already exist, then it might be necessary to +change the permissions accordingly, e.g., +.(b +cd /etc/mail +chmod 0640 *.db *.pag *.dir +.)b +.sh 1 "NORMAL OPERATIONS" +.sh 2 "The System Log" +.pp +The system log is supported by the +.i syslogd \|(8) +program. +All messages from +.i sendmail +are logged under the +.sm LOG_MAIL +facility\**. +.(f +\**Except on Ultrix, +which does not support facilities in the syslog. +.)f +.sh 3 "Format" +.pp +Each line in the system log +consists of a timestamp, +the name of the machine that generated it +(for logging from several machines +over the local area network), +the word +.q sendmail: , +and a message\**. +.(f +\**This format may vary slightly if your vendor has changed +the syntax. +.)f +Most messages are a sequence of +.i name \c +=\c +.i value +pairs. +.pp +The two most common lines are logged when a message is processed. +The first logs the receipt of a message; +there will be exactly one of these per message. +Some fields may be omitted if they do not contain interesting information. +Fields are: +.ip from +The envelope sender address. +.ip size +The size of the message in bytes. +.ip class +The class (i.e., numeric precedence) of the message. +.ip pri +The initial message priority (used for queue sorting). +.ip nrcpts +The number of envelope recipients for this message +(after aliasing and forwarding). +.ip msgid +The message id of the message (from the header). +.ip proto +The protocol used to receive this message (e.g., ESMTP or UUCP) +.ip daemon +The daemon name from the +.b DaemonPortOptions +setting. +.ip relay +The machine from which it was received. +.lp +There is also one line logged per delivery attempt +(so there can be several per message if delivery is deferred +or there are multiple recipients). +Fields are: +.ip to +A comma-separated list of the recipients to this mailer. +.ip ctladdr +The ``controlling user'', that is, the name of the user +whose credentials we use for delivery. +.ip delay +The total delay between the time this message was received +and the current delivery attempt. +.ip xdelay +The amount of time needed in this delivery attempt +(normally indicative of the speed of the connection). +.ip mailer +The name of the mailer used to deliver to this recipient. +.ip relay +The name of the host that actually accepted (or rejected) this recipient. +.ip dsn +The enhanced error code (RFC 2034) if available. +.ip stat +The delivery status. +.lp +Not all fields are present in all messages; +for example, the relay is usually not listed for local deliveries. +.sh 3 "Levels" +.pp +If you have +.i syslogd \|(8) +or an equivalent installed, +you will be able to do logging. +There is a large amount of information that can be logged. +The log is arranged as a succession of levels. +At the lowest level +only extremely strange situations are logged. +At the highest level, +even the most mundane and uninteresting events +are recorded for posterity. +As a convention, +log levels under ten +are considered generally +.q useful; +log levels above 64 +are reserved for debugging purposes. +Levels from 11\-64 are reserved for verbose information +that some sites might want. +.pp +A complete description of the log levels +is given in section ``Log Level''. +.sh 2 "Dumping State" +.pp +You can ask +.i sendmail +to log a dump of the open files +and the connection cache +by sending it a +.sm SIGUSR1 +signal. +The results are logged at +.sm LOG_DEBUG +priority. +.sh 2 "The Mail Queues" +.pp +Mail messages may either be delivered immediately or be held for later +delivery. +Held messages are placed into a holding directory called a mail queue. +.pp +A mail message may be queued for these reasons: +.bu +If a mail message is temporarily undeliverable, it is queued +and delivery is attempted later. +If the message is addressed to multiple recipients, it is queued +only for those recipients to whom delivery is not immediately possible. +.bu +If the SuperSafe option is set to true, +all mail messages are queued while delivery is attempted. +.bu +If the DeliveryMode option is set to queue-only or defer, +all mail is queued, and no immediate delivery is attempted. +.bu +If the load average becomes higher than the value of the QueueLA option +and the +.b QueueFactor +(\c +.b q ) +option divided by the difference in the current load average and the +.b QueueLA +option plus one +is less than the priority of the message, +messages are queued rather than immediately delivered. +.bu +One or more addresses are marked as expensive and delivery is postponed +until the next queue run or one or more address are marked as held via +mailer which uses the hold mailer flag. +.bu +The mail message has been marked as quarantined via a mail filter or +rulesets. +.bu +.sh 3 "Queue Groups and Queue Directories" +.pp +There are one or more mail queues. +Each mail queue belongs to a queue group. +There is always a default queue group that is called ``mqueue'' +(which is where messages go by default unless otherwise specified). +The directory or directories which comprise the default queue group +are specified by the QueueDirectory option. +There are zero or more +additional named queue groups declared using the +.b Q +command in the configuration file. +.pp +By default, a queued message is placed in the queue group +associated with the first recipient in the recipient list. +A recipient address is mapped to a queue group as follows. +First, if there is a ruleset called ``queuegroup'', +and if this ruleset maps the address to a queue group name, +then that queue group is chosen. +That is, the argument for the ruleset is the recipient address +and the result should be +.b $# +followed by the name of a queue group. +Otherwise, if the mailer associated with the address specifies +a queue group, then that queue group is chosen. +Otherwise, the default queue group is chosen. +.pp +A message with multiple recipients will be split +if different queue groups are chosen +by the mapping of recipients to queue groups. +.pp +When a message is placed in a queue group, and the queue group has +more than one queue, a queue is selected randomly. +.pp +If a message with multiple recipients is placed into a queue group +with the 'r' option (maximum number of recipients per message) +set to a positive value +.i N , +and if there are more than +.i N +recipients +in the message, then the message will be split into multiple messages, +each of which have at most +.i N +recipients. +.pp +Notice: if multiple queue groups are used, do +.b not +move queue files around, e.g., into a different queue directory. +This may have weird effects and can cause mail not to be delivered. +Queue files and directories should be treated as opaque +and should not be manipulated directly. +.sh 3 "Queue Runs" +.pp +.i sendmail +has two different ways to process the queue(s). +The first one is to start queue runners after certain intervals +(``normal'' queue runners), +the second one is to keep queue runner processes around +(``persistent'' queue runners). +How to select either of these types is discussed in the appendix +``COMMAND LINE FLAGS''. +Persistent queue runners have the advantage that no new processes +need to be spawned at certain intervals; they just sleep for +a specified time after they finished a queue run. +Another advantage of persistent queue runners is that only one process +belonging to a workgroup (a workgroup is a set of queue groups) +collects the data for a queue run +and then multiple queue runner may go ahead using that data. +This can significantly reduce the disk I/O necessary to read the +queue files compared to starting multiple queue runners directly. +Their disadvantage is that a new queue run is only started +after all queue runners belonging to a group finished their tasks. +In case one of the queue runners tries delivery to a slow recipient site +at the end of a queue run, the next queue run may be substantially delayed. +In general this should be smoothed out due to the distribution of +those slow jobs, however, for sites with small number of +queue entries this might introduce noticable delays. +In general, persistent queue runners are only useful for +sites with big queues. +.sh 3 "Manual Intervention" +.pp +Under normal conditions the mail queue will be processed transparently. +However, you may find that manual intervention is sometimes necessary. +For example, +if a major host is down for a period of time +the queue may become clogged. +Although +.i sendmail +ought to recover gracefully when the host comes up, +you may find performance unacceptably bad in the meantime. +In that case you want to check the content of the queue +and manipulate it as explained in the next two sections. +.sh 3 "Printing the queue" +.pp +The contents of the queue(s) can be printed +using the +.i mailq +command +(or by specifying the +.b \-bp +flag to +.i sendmail ): +.(b +mailq +.)b +This will produce a listing of the queue id's, +the size of the message, +the date the message entered the queue, +and the sender and recipients. +If shared memory support is compiled in, +the flag +.b \-bP +can be used to print the number of entries in the queue(s), +provided a process updates the data. +However, as explained earlier, the output might be slightly wrong, +since access to the shared memory is not locked. +For example, +``unknown number of entries'' +might be shown. +The internal counters are updated after each queue run +to the correct value again. +.sh 3 "Forcing the queue" +.pp +.i Sendmail +should run the queue automatically at intervals. +When using multiple queues, +a separate process will by default be created to +run each of the queues +unless the queue run is initiated by a user +with the verbose flag. +The algorithm is to read and sort the queue, +and then to attempt to process all jobs in order. +When it attempts to run the job, +.i sendmail +first checks to see if the job is locked. +If so, it ignores the job. +.pp +There is no attempt to insure that only one queue processor +exists at any time, +since there is no guarantee that a job cannot take forever +to process +(however, +.i sendmail +does include heuristics to try to abort jobs +that are taking absurd amounts of time; +technically, this violates RFC 821, but is blessed by RFC 1123). +Due to the locking algorithm, +it is impossible for one job to freeze the entire queue. +However, +an uncooperative recipient host +or a program recipient +that never returns +can accumulate many processes in your system. +Unfortunately, +there is no completely general way to solve this. +.pp +In some cases, +you may find that a major host going down +for a couple of days +may create a prohibitively large queue. +This will result in +.i sendmail +spending an inordinate amount of time +sorting the queue. +This situation can be fixed by moving the queue to a temporary place +and creating a new queue. +The old queue can be run later when the offending host returns to service. +.pp +To do this, +it is acceptable to move the entire queue directory: +.(b +cd /var/spool +mv mqueue omqueue; mkdir mqueue; chmod 0700 mqueue +.)b +You should then kill the existing daemon +(since it will still be processing in the old queue directory) +and create a new daemon. +.pp +To run the old mail queue, issue the following command: +.(b +/usr/\*(SD/sendmail \-C /etc/mail/queue.cf \-q +.)b +The +.b \-C +flag specifies an alternate configuration file +.b queue.cf +which should refer to the moved queue directory +.(b +O QueueDirectory=/var/spool/omqueue +.)b +and the +.b \-q +flag says to just run every job in the queue. +You can also specify the moved queue directory on the command line +.(b +/usr/\*(SD/sendmail \-oQ/var/spool/omqueue \-q +.)b +but this requires that you do not have +queue groups in the configuration file, +because those are not subdirectories of the moved directory. +See the section about ``Queue Group Declaration'' for details; +you most likely need a different configuration file to correctly deal +with this problem. +However, a proper configuration of queue groups should avoid +filling up queue directories, so you shouldn't run into +this problem. +If you have a tendency toward voyeurism, +you can use the +.b \-v +flag to watch what is going on. +.pp +When the queue is finally emptied, +you can remove the directory: +.(b +rmdir /var/spool/omqueue +.)b +.sh 3 "Quarantined Queue Items" +.pp +It is possible to "quarantine" mail messages, +otherwise known as envelopes. +Envelopes (queue files) are stored but not considered for delivery or +display unless the "quarantine" state of the envelope is undone or +delivery or display of quarantined items is requested. +Quarantined messages are tagged by using a different name for the queue +file, 'hf' instead of 'qf', and by adding the quarantine reason to the +queue file. +.pp +Delivery or display of quarantined items can be requested using the +.b \-qQ +flag to +.i sendmail +or +.i mailq . +Additionally, messages already in the queue can be quarantined or +unquarantined using the new +.b \-Q +flag to sendmail. +For example, +.(b +sendmail -Qreason -q[!][I|R|S][matchstring] +.)b +Quarantines the normal queue items matching the criteria specified by the +.b "-q[!][I|R|S][matchstring]" +using the reason given on the +.b \-Q +flag. +Likewise, +.(b +sendmail -qQ -Q[reason] -q[!][I|R|S|Q][matchstring] +.)b +Change the quarantine reason for the quarantined items matching the +criteria specified by the +.b "-q[!][I|R|S|Q][matchstring]" +using the reason given on the +.b \-Q +flag. +If there is no reason, + unquarantine the matching items and make them normal queue items. +Note that the +.b \-qQ +flag tells sendmail to operate on quarantined items instead of normal items. +.sh 2 "Disk Based Connection Information" +.pp +.i Sendmail +stores a large amount of information about each remote system it +has connected to in memory. It is possible to preserve some +of this information on disk as well, by using the +.b HostStatusDirectory +option, so that it may be shared between several invocations of +.i sendmail . +This allows mail to be queued immediately or skipped during a queue run if +there has been a recent failure in connecting to a remote machine. +.pp +Additionally enabling +.b SingleThreadDelivery +has the added effect of single-threading mail delivery to a destination. +This can be quite helpful +if the remote machine is running an SMTP server that is easily overloaded +or cannot accept more than a single connection at a time, +but can cause some messages to be punted to a future queue run. +It also applies to +.i all +hosts, so setting this because you have one machine on site +that runs some software that is easily overrun +can cause mail to other hosts to be slowed down. +If this option is set, +you probably want to set the +.b MinQueueAge +option as well and run the queue fairly frequently; +this way jobs that are skipped because another +.i sendmail +is talking to the same host will be tried again quickly +rather than being delayed for a long time. +.pp +The disk based host information is stored in a subdirectory of the +.b mqueue +directory called +.b \&.hoststat \**. +.(f +\**This is the usual value of the +.b HostStatusDirectory +option; +it can, of course, go anywhere you like in your filesystem. +.)f +Removing this directory and its subdirectories has an effect similar to +the +.i purgestat +command and is completely safe. +However, +.i purgestat +only removes expired (Timeout.hoststatus) data. +The information in these directories can +be perused with the +.i hoststat +command, which will indicate the host name, the last access, and the +status of that access. +An asterisk in the left most column indicates that a +.i sendmail +process currently has the host locked for mail delivery. +.pp +The disk based connection information is treated the same way as memory based +connection information for the purpose of timeouts. +By default, information about host failures is valid for 30 minutes. +This can be adjusted with +the +.b Timeout.hoststatus +option. +.pp +The connection information stored on disk may be expired at any time +with the +.i purgestat +command or by invoking sendmail with the +.b \-bH +switch. +The connection information may be viewed with the +.i hoststat +command or by invoking sendmail with the +.b \-bh +switch. +.sh 2 "The Service Switch" +.pp +The implementation of certain system services +such as host and user name lookup +is controlled by the service switch. +If the host operating system supports such a switch, +and sendmail knows about it, +.i sendmail +will use the native version. +Ultrix, Solaris, and DEC OSF/1 are examples of such systems\**. +.(f +\**HP-UX 10 has service switch support, +but since the APIs are apparently not available in the libraries +.i sendmail +does not use the native service switch in this release. +.)f +.pp +If the underlying operating system does not support a service switch +(e.g., SunOS 4.X, HP-UX, BSD) +then +.i sendmail +will provide a stub implementation. +The +.b ServiceSwitchFile +option points to the name of a file that has the service definitions. +Each line has the name of a service +and the possible implementations of that service. +For example, the file: +.(b +hosts dns files nis +aliases files nis +.)b +will ask +.i sendmail +to look for hosts in the Domain Name System first. +If the requested host name is not found, it tries local files, +and if that fails it tries NIS. +Similarly, when looking for aliases +it will try the local files first followed by NIS. +.pp +Notice: since +.i sendmail +must access MX records for correct operation, it will use +DNS if it is configured in the +.b ServiceSwitchFile +file. +Hence an entry like +.(b +hosts files dns +.)b +will not avoid DNS lookups even if a host can be found +in /etc/hosts. +.pp +Service switches are not completely integrated. +For example, despite the fact that the host entry listed in the above example +specifies to look in NIS, +on SunOS this won't happen because the system implementation of +.i gethostbyname \|(3) +doesn't understand this. +.sh 2 "The Alias Database" +.pp +After recipient addresses are read from the SMTP connection +or command line +they are parsed by ruleset 0, +which must resolve to a +{\c +.i mailer , +.i host , +.i address } +triple. +If the flags selected by the +.i mailer +include the +.b A +(aliasable) flag, +the +.i address +part of the triple is looked up as the key +(i.e., the left hand side) +in the alias database. +If there is a match, the address is deleted from the send queue +and all addresses on the right hand side of the alias +are added in place of the alias that was found. +This is a recursive operation, +so aliases found in the right hand side of the alias +are similarly expanded. +.pp +The alias database exists in two forms. +One is a text form, +maintained in the file +.i /etc/mail/aliases. +The aliases are of the form +.(b +name: name1, name2, ... +.)b +Only local names may be aliased; +e.g., +.(b +eric@prep.ai.MIT.EDU: eric@CS.Berkeley.EDU +.)b +will not have the desired effect +(except on prep.ai.MIT.EDU, +and they probably don't want me)\**. +.(f +\**Actually, any mailer that has the `A' mailer flag set +will permit aliasing; +this is normally limited to the local mailer. +.)f +Aliases may be continued by starting any continuation lines +with a space or a tab or by putting a backslash directly before +the newline. +Blank lines and lines beginning with a sharp sign +(\c +.q # ) +are comments. +.pp +The second form is processed by the +.i ndbm \|(3)\** +.(f +\**The +.i gdbm +package does not work. +.)f +or the Berkeley DB library. +This form is in the file +.i /etc/mail/aliases.db +(if using NEWDB) +or +.i /etc/mail/aliases.dir +and +.i /etc/mail/aliases.pag +(if using NDBM). +This is the form that +.i sendmail +actually uses to resolve aliases. +This technique is used to improve performance. +.pp +The control of search order is actually set by the service switch. +Essentially, the entry +.(b +O AliasFile=switch:aliases +.)b +is always added as the first alias entry; +also, the first alias file name without a class +(e.g., without +.q nis: +on the front) +will be used as the name of the file for a ``files'' entry +in the aliases switch. +For example, if the configuration file contains +.(b +O AliasFile=/etc/mail/aliases +.)b +and the service switch contains +.(b +aliases nis files nisplus +.)b +then aliases will first be searched in the NIS database, +then in /etc/mail/aliases, +then in the NIS+ database. +.pp +You can also use +.sm NIS -based +alias files. +For example, the specification: +.(b +O AliasFile=/etc/mail/aliases +O AliasFile=nis:mail.aliases@my.nis.domain +.)b +will first search the /etc/mail/aliases file +and then the map named +.q mail.aliases +in +.q my.nis.domain . +Warning: if you build your own +.sm NIS -based +alias files, +be sure to provide the +.b \-l +flag to +.i makedbm (8) +to map upper case letters in the keys to lower case; +otherwise, aliases with upper case letters in their names +won't match incoming addresses. +.pp +Additional flags can be added after the colon +exactly like a +.b K +line \(em for example: +.(b +O AliasFile=nis:\-N mail.aliases@my.nis.domain +.)b +will search the appropriate NIS map and always include null bytes in the key. +Also: +.(b +O AliasFile=nis:\-f mail.aliases@my.nis.domain +.)b +will prevent sendmail from downcasing the key before the alias lookup. +.sh 3 "Rebuilding the alias database" +.pp +The +.i hash +or +.i dbm +version of the database +may be rebuilt explicitly by executing the command +.(b +newaliases +.)b +This is equivalent to giving +.i sendmail +the +.b \-bi +flag: +.(b +/usr/\*(SD/sendmail \-bi +.)b +.pp +If you have multiple aliases databases specified, +the +.b \-bi +flag rebuilds all the database types it understands +(for example, it can rebuild NDBM databases but not NIS databases). +.sh 3 "Potential problems" +.pp +There are a number of problems that can occur +with the alias database. +They all result from a +.i sendmail +process accessing the DBM version +while it is only partially built. +This can happen under two circumstances: +One process accesses the database +while another process is rebuilding it, +or the process rebuilding the database dies +(due to being killed or a system crash) +before completing the rebuild. +.pp +Sendmail has three techniques to try to relieve these problems. +First, it ignores interrupts while rebuilding the database; +this avoids the problem of someone aborting the process +leaving a partially rebuilt database. +Second, +it locks the database source file during the rebuild \(em +but that may not work over NFS or if the file is unwritable. +Third, +at the end of the rebuild +it adds an alias of the form +.(b +@: @ +.)b +(which is not normally legal). +Before +.i sendmail +will access the database, +it checks to insure that this entry exists\**. +.(f +\**The +.b AliasWait +option is required in the configuration +for this action to occur. +This should normally be specified. +.)f +.sh 3 "List owners" +.pp +If an error occurs on sending to a certain address, +say +.q \fIx\fP , +.i sendmail +will look for an alias +of the form +.q owner-\fIx\fP +to receive the errors. +This is typically useful +for a mailing list +where the submitter of the list +has no control over the maintenance of the list itself; +in this case the list maintainer would be the owner of the list. +For example: +.(b +unix-wizards: eric@ucbarpa, wnj@monet, nosuchuser, + sam@matisse +owner-unix-wizards: unix-wizards-request +unix-wizards-request: eric@ucbarpa +.)b +would cause +.q eric@ucbarpa +to get the error that will occur +when someone sends to +unix-wizards +due to the inclusion of +.q nosuchuser +on the list. +.pp +List owners also cause the envelope sender address to be modified. +The contents of the owner alias are used if they point to a single user, +otherwise the name of the alias itself is used. +For this reason, and to obey Internet conventions, +the +.q owner- +address normally points at the +.q -request +address; this causes messages to go out with the typical Internet convention +of using ``\c +.i list -request'' +as the return address. +.sh 2 "User Information Database" +.pp +This option is deprecated, use virtusertable and genericstable instead +as explained in +.i cf/README . +If you have a version of +.i sendmail +with the user information database +compiled in, +and you have specified one or more databases using the +.b U +option, +the databases will be searched for a +.i user :maildrop +entry. +If found, the mail will be sent to the specified address. +.sh 2 "Per-User Forwarding (.forward Files)" +.pp +As an alternative to the alias database, +any user may put a file with the name +.q .forward +in his or her home directory. +If this file exists, +.i sendmail +redirects mail for that user +to the list of addresses listed in the .forward file. +Note that aliases are fully expanded before forward files are referenced. +For example, if the home directory for user +.q mckusick +has a .forward file with contents: +.(b +mckusick@ernie +kirk@calder +.)b +then any mail arriving for +.q mckusick +will be redirected to the specified accounts. +.pp +Actually, the configuration file defines a sequence of filenames to check. +By default, this is the user's .forward file, +but can be defined to be more generally using the +.b ForwardPath +option. +If you change this, +you will have to inform your user base of the change; +\&.forward is pretty well incorporated into the collective subconscious. +.sh 2 "Special Header Lines" +.pp +Several header lines have special interpretations +defined by the configuration file. +Others have interpretations built into +.i sendmail +that cannot be changed without changing the code. +These built-ins are described here. +.sh 3 "Errors-To:" +.pp +If errors occur anywhere during processing, +this header will cause error messages to go to +the listed addresses. +This is intended for mailing lists. +.pp +The Errors-To: header was created in the bad old days +when UUCP didn't understand the distinction between an envelope and a header; +this was a hack to provide what should now be passed +as the envelope sender address. +It should go away. +It is only used if the +.b UseErrorsTo +option is set. +.pp +The Errors-To: header is officially deprecated +and will go away in a future release. +.sh 3 "Apparently-To:" +.pp +RFC 822 requires at least one recipient field +(To:, Cc:, or Bcc: line) +in every message. +If a message comes in with no recipients listed in the message +then +.i sendmail +will adjust the header based on the +.q NoRecipientAction +option. +One of the possible actions is to add an +.q "Apparently-To:" +header line for any recipients it is aware of. +.pp +The Apparently-To: header is non-standard +and is both deprecated and strongly discouraged. +.sh 3 "Precedence" +.pp +The Precedence: header can be used as a crude control of message priority. +It tweaks the sort order in the queue +and can be configured to change the message timeout values. +The precedence of a message also controls how +delivery status notifications (DSNs) +are processed for that message. +.sh 2 "IDENT Protocol Support" +.pp +.i Sendmail +supports the IDENT protocol as defined in RFC 1413. +Note that the RFC states +a client should wait at least 30 seconds for a response. +The default Timeout.ident is 5 seconds +as many sites have adopted the practice of dropping IDENT queries. +This has lead to delays processing mail. +Although this enhances identification +of the author of an email message +by doing a ``call back'' to the originating system to include +the owner of a particular TCP connection +in the audit trail +it is in no sense perfect; +a determined forger can easily spoof the IDENT protocol. +The following description is excerpted from RFC 1413: +.ba +5 +.lp +6. Security Considerations +.lp +The information returned by this protocol is at most as trustworthy +as the host providing it OR the organization operating the host. For +example, a PC in an open lab has few if any controls on it to prevent +a user from having this protocol return any identifier the user +wants. Likewise, if the host has been compromised the information +returned may be completely erroneous and misleading. +.lp +The Identification Protocol is not intended as an authorization or +access control protocol. At best, it provides some additional +auditing information with respect to TCP connections. At worst, it +can provide misleading, incorrect, or maliciously incorrect +information. +.lp +The use of the information returned by this protocol for other than +auditing is strongly discouraged. Specifically, using Identification +Protocol information to make access control decisions - either as the +primary method (i.e., no other checks) or as an adjunct to other +methods may result in a weakening of normal host security. +.lp +An Identification server may reveal information about users, +entities, objects or processes which might normally be considered +private. An Identification server provides service which is a rough +analog of the CallerID services provided by some phone companies and +many of the same privacy considerations and arguments that apply to +the CallerID service apply to Identification. If you wouldn't run a +"finger" server due to privacy considerations you may not want to run +this protocol. +.ba +.lp +In some cases your system may not work properly with IDENT support +due to a bug in the TCP/IP implementation. +The symptoms will be that for some hosts +the SMTP connection will be closed +almost immediately. +If this is true or if you do not want to use IDENT, +you should set the IDENT timeout to zero; +this will disable the IDENT protocol. +.sh 1 "ARGUMENTS" +.pp +The complete list of arguments to +.i sendmail +is described in detail in Appendix A. +Some important arguments are described here. +.sh 2 "Queue Interval" +.pp +The amount of time between forking a process +to run through the queue is defined by the +.b \-q +flag. +If you run with delivery mode set to +.b i +or +.b b +this can be relatively large, since it will only be relevant +when a host that was down comes back up. +If you run in +.b q +mode it should be relatively short, +since it defines the maximum amount of time that a message +may sit in the queue. +(See also the MinQueueAge option.) +.pp +RFC 1123 section 5.3.1.1 says that this value should be at least 30 minutes +(although that probably doesn't make sense if you use ``queue-only'' mode). +.pp +Notice: the meaning of the interval time depends on whether normal +queue runners or persistent queue runners are used. +For the former, it is the time between subsequent starts of a queue run. +For the latter, it is the time sendmail waits after a persistent queue +runner has finished its work to start the next one. +Hence for persistent queue runners this interval should be very low, +typically no more than two minutes. +.sh 2 "Daemon Mode" +.pp +If you allow incoming mail over an IPC connection, +you should have a daemon running. +This should be set by your +.i /etc/rc +file using the +.b \-bd +flag. +The +.b \-bd +flag and the +.b \-q +flag may be combined in one call: +.(b +/usr/\*(SD/sendmail \-bd \-q30m +.)b +.pp +An alternative approach is to invoke sendmail from +.i inetd (8) +(use the +.b \-bs \ \-Am +flags to ask sendmail to speak SMTP on its standard input and output +and to run as MTA). +This works and allows you to wrap +.i sendmail +in a TCP wrapper program, +but may be a bit slower since the configuration file +has to be re-read on every message that comes in. +If you do this, you still need to have a +.i sendmail +running to flush the queue: +.(b +/usr/\*(SD/sendmail \-q30m +.)b +.sh 2 "Forcing the Queue" +.pp +In some cases you may find that the queue has gotten clogged for some reason. +You can force a queue run +using the +.b \-q +flag (with no value). +It is entertaining to use the +.b \-v +flag (verbose) +when this is done to watch what happens: +.(b +/usr/\*(SD/sendmail \-q \-v +.)b +.pp +You can also limit the jobs to those with a particular queue identifier, +recipient, sender, quarantine reason, or queue group +using one of the queue modifiers. +For example, +.q \-qRberkeley +restricts the queue run to jobs that have the string +.q berkeley +somewhere in one of the recipient addresses. +Similarly, +.q \-qSstring +limits the run to particular senders, +.q \-qIstring +limits it to particular queue identifiers, and +.q \-qQstring +limits it to particular quarantined reasons and only operated on +quarantined queue items, and +.q \-qGstring +limits it to a particular queue group. +The named queue group will be run even if it is set to have 0 runners. +You may also place an +.b ! +before the +.b I +or +.b R +or +.b S +or +.b Q +to indicate that jobs are limited to not including a particular queue +identifier, recipient or sender. +For example, +.q \-q!Rseattle +limits the queue run to jobs that do not have the string +.q seattle +somewhere in one of the recipient addresses. +Should you need to terminate the queue jobs currently active then a SIGTERM +to the parent of the process (or processes) will cleanly stop the jobs. +.sh 2 "Debugging" +.pp +There are a fairly large number of debug flags +built into +.i sendmail . +Each debug flag has a category and a level. +Higher levels increase the level of debugging activity; +in most cases, this means to print out more information. +The convention is that levels greater than nine are +.q absurd, +i.e., +they print out so much information that you wouldn't normally +want to see them except for debugging that particular piece of code. +.pp +You should +.b never +run a production sendmail server in debug mode. +Many of the debug flags will result in debug output being sent over the +SMTP channel unless the option +.b \-D +is used. +This will confuse many mail programs. +However, for testing purposes, it can be useful +when sending mail manually via +telnet to the port you are using while debugging. +.pp +A debug category is either an integer, like 42, +or a name, like ANSI. +You can specify a range of numeric debug categories +using the syntax 17-42. +You can specify a set of named debug categories using +a glob pattern like +.q sm_trace_* . +At present, only +.q * +and +.q ? +are supported in these glob patterns. +.pp +Debug flags are set using the +.b \-d +option; +the syntax is: +.(b +.ta \w'debug-categories:M 'u +debug-flag: \fB\-d\fP debug-list +debug-list: debug-option [ , debug-option ]* +debug-option: debug-categories [ . debug-level ] +debug-categories: integer | integer \- integer | category-pattern +category-pattern: [a-zA-Z_*?][a-zA-Z0-9_*?]* +debug-level: integer +.)b +where spaces are for reading ease only. +For example, +.(b +\-d12 Set category 12 to level 1 +\-d12.3 Set category 12 to level 3 +\-d3\-17 Set categories 3 through 17 to level 1 +\-d3\-17.4 Set categories 3 through 17 to level 4 +\-dANSI Set category ANSI to level 1 +\-dsm_trace_*.3 Set all named categories matching sm_trace_* to level 3 +.)b +For a complete list of the available debug flags +you will have to look at the code +and the +.i TRACEFLAGS +file in the sendmail distribution +(they are too dynamic to keep this document up to date). +For a list of named debug categories in the sendmail binary, use +.(b +ident /usr/sbin/sendmail | grep Debug +.)b +.sh 2 "Changing the Values of Options" +.pp +Options can be overridden using the +.b \-o +or +.b \-O +command line flags. +For example, +.(b +/usr/\*(SD/sendmail \-oT2m +.)b +sets the +.b T +(timeout) option to two minutes +for this run only; +the equivalent line using the long option name is +.(b +/usr/\*(SD/sendmail -OTimeout.queuereturn=2m +.)b +.pp +Some options have security implications. +Sendmail allows you to set these, +but relinquishes its set-user-ID or set-group-ID permissions thereafter\**. +.(f +\**That is, it sets its effective uid to the real uid; +thus, if you are executing as root, +as from root's crontab file or during system startup +the root permissions will still be honored. +.)f +.sh 2 "Trying a Different Configuration File" +.pp +An alternative configuration file +can be specified using the +.b \-C +flag; for example, +.(b +/usr/\*(SD/sendmail \-Ctest.cf \-oQ/tmp/mqueue +.)b +uses the configuration file +.i test.cf +instead of the default +.i /etc/mail/sendmail.cf. +If the +.b \-C +flag has no value +it defaults to +.i sendmail.cf +in the current directory. +.pp +.i Sendmail +gives up set-user-ID root permissions +(if it has been installed set-user-ID root) +when you use this flag, so it is common to use a publicly writable directory +(such as /tmp) +as the queue directory (QueueDirectory or Q option) while testing. +.sh 2 "Logging Traffic" +.pp +Many SMTP implementations do not fully implement the protocol. +For example, some personal computer based SMTPs +do not understand continuation lines in reply codes. +These can be very hard to trace. +If you suspect such a problem, you can set traffic logging using the +.b \-X +flag. +For example, +.(b +/usr/\*(SD/sendmail \-X /tmp/traffic \-bd +.)b +will log all traffic in the file +.i /tmp/traffic . +.pp +This logs a lot of data very quickly and should +.b NEVER +be used +during normal operations. +After starting up such a daemon, +force the errant implementation to send a message to your host. +All message traffic in and out of +.i sendmail , +including the incoming SMTP traffic, +will be logged in this file. +.sh 2 "Testing Configuration Files" +.pp +When you build a configuration table, +you can do a certain amount of testing +using the +.q "test mode" +of +.i sendmail . +For example, +you could invoke +.i sendmail +as: +.(b +sendmail \-bt \-Ctest.cf +.)b +which would read the configuration file +.q test.cf +and enter test mode. +In this mode, +you enter lines of the form: +.(b +rwset address +.)b +where +.i rwset +is the rewriting set you want to use +and +.i address +is an address to apply the set to. +Test mode shows you the steps it takes +as it proceeds, +finally showing you the address it ends up with. +You may use a comma separated list of rwsets +for sequential application of rules to an input. +For example: +.(b +3,1,21,4 monet:bollard +.)b +first applies ruleset three to the input +.q monet:bollard. +Ruleset one is then applied to the output of ruleset three, +followed similarly by rulesets twenty-one and four. +.pp +If you need more detail, +you can also use the +.q \-d21 +flag to turn on more debugging. +For example, +.(b +sendmail \-bt \-d21.99 +.)b +turns on an incredible amount of information; +a single word address +is probably going to print out several pages worth of information. +.pp +You should be warned that internally, +.i sendmail +applies ruleset 3 to all addresses. +In test mode +you will have to do that manually. +For example, older versions allowed you to use +.(b +0 bruce@broadcast.sony.com +.)b +This version requires that you use: +.(b +3,0 bruce@broadcast.sony.com +.)b +.pp +As of version 8.7, +some other syntaxes are available in test mode: +.nr ii 1i +.ip \&.D\|x\|value +defines macro +.i x +to have the indicated +.i value . +This is useful when debugging rules that use the +.b $& \c +.i x +syntax. +.ip \&.C\|c\|value +adds the indicated +.i value +to class +.i c . +.ip \&=S\|ruleset +dumps the contents of the indicated ruleset. +.ip \-d\|debug-spec +is equivalent to the command-line flag. +.lp +Version 8.9 introduced more features: +.nr ii 1i +.ip ? +shows a help message. +.ip =M +display the known mailers. +.ip $m +print the value of macro m. +.ip $=c +print the contents of class c. +.ip /mx\ host +returns the MX records for `host'. +.ip /parse\ address +parse address, returning the value of +.i crackaddr , +and the parsed address. +.ip /try\ mailer\ addr +rewrite address into the form it will have when +presented to the indicated mailer. +.ip /tryflags\ flags +set flags used by parsing. The flags can be `H' for +Header or `E' for Envelope, and `S' for Sender or `R' +for Recipient. These can be combined, `HR' sets +flags for header recipients. +.ip /canon\ hostname +try to canonify hostname. +.ip /map\ mapname\ key +look up `key' in the indicated `mapname'. +.ip /quit +quit address test mode. +.lp +.sh 2 "Persistent Host Status Information" +.pp +When +.b HostStatusDirectory +is enabled, +information about the status of hosts is maintained on disk +and can thus be shared between different instantiations of +.i sendmail . +The status of the last connection with each remote host +may be viewed with the command: +.(b +sendmail \-bh +.)b +This information may be flushed with the command: +.(b +sendmail \-bH +.)b +Flushing the information prevents new +.i sendmail +processes from loading it, +but does not prevent existing processes from using the status information +that they already have. +.sh 1 "TUNING" +.pp +There are a number of configuration parameters +you may want to change, +depending on the requirements of your site. +Most of these are set +using an option in the configuration file. +For example, +the line +.q "O Timeout.queuereturn=5d" +sets option +.q Timeout.queuereturn +to the value +.q 5d +(five days). +.pp +Most of these options have appropriate defaults for most sites. +However, +sites having very high mail loads may find they need to tune them +as appropriate for their mail load. +In particular, +sites experiencing a large number of small messages, +many of which are delivered to many recipients, +may find that they need to adjust the parameters +dealing with queue priorities. +.pp +All versions of +.i sendmail +prior to 8.7 +had single character option names. +As of 8.7, +options have long (multi-character names). +Although old short names are still accepted, +most new options do not have short equivalents. +.pp +This section only describes the options you are most likely +to want to tweak; +read section +.\"XREF +5 +for more details. +.sh 2 "Timeouts" +.pp +All time intervals are set +using a scaled syntax. +For example, +.q 10m +represents ten minutes, whereas +.q 2h30m +represents two and a half hours. +The full set of scales is: +.(b +.ta 4n +s seconds +m minutes +h hours +d days +w weeks +.)b +.sh 3 "Queue interval" +.pp +The argument to the +.b \-q +flag specifies how often a sub-daemon will run the queue. +This is typically set to between fifteen minutes and one hour. +If not set, or set to zero, +the queue will not be run automatically. +RFC 1123 section 5.3.1.1 recommends that this be at least 30 minutes. +Should you need to terminate the queue jobs currently active then a SIGTERM +to the parent of the process (or processes) will cleanly stop the jobs. +.sh 3 "Read timeouts" +.pp +Timeouts all have option names +.q Timeout.\fIsuboption\fP . +Most of these control SMTP operations. +The recognized +.i suboption s, +their default values, and the minimum values +allowed by RFC 2821 section 4.5.3.2 (or RFC 1123 section 5.3.2) are: +.nr ii 1i +.ip connect +The time to wait for an SMTP connection to open +(the +.i connect (2) +system call) +[0, unspecified]. +If zero, uses the kernel default. +In no case can this option extend the timeout +longer than the kernel provides, but it can shorten it. +This is to get around kernels that provide an absurdly long connection timeout +(90 minutes in one case). +.ip iconnect +The same as +.i connect, +except it applies only to the initial attempt to connect to a host +for a given message +[0, unspecified]. +The concept is that this should be very short (a few seconds); +hosts that are well connected and responsive will thus be serviced immediately. +Hosts that are slow will not hold up other deliveries in the initial +delivery attempt. +.ip aconnect +[0, unspecified] +The overall timeout waiting for all connection for a single delivery +attempt to succeed. +If 0, no overall limit is applied. +This can be used to restrict the total amount of time trying to connect to +a long list of host that could accept an e-mail for the recipient. +This timeout does not apply to +.b FallbackMXhost , +i.e., if the time is exhausted, the +.b FallbackMXhost +is tried next. +.ip initial +The wait for the initial 220 greeting message +[5m, 5m]. +.ip helo +The wait for a reply from a HELO or EHLO command +[5m, unspecified]. +This may require a host name lookup, so +five minutes is probably a reasonable minimum. +.ip mail\(dg +The wait for a reply from a MAIL command +[10m, 5m]. +.ip rcpt\(dg +The wait for a reply from a RCPT command +[1h, 5m]. +This should be long +because it could be pointing at a list +that takes a long time to expand +(see below). +.ip datainit\(dg +The wait for a reply from a DATA command +[5m, 2m]. +.ip datablock\(dg\(dd +The wait for reading a data block +(that is, the body of the message). +[1h, 3m]. +This should be long because it also applies to programs +piping input to +.i sendmail +which have no guarantee of promptness. +.ip datafinal\(dg +The wait for a reply from the dot terminating a message. +[1h, 10m]. +If this is shorter than the time actually needed +for the receiver to deliver the message, +duplicates will be generated. +This is discussed in RFC 1047. +.ip rset +The wait for a reply from a RSET command +[5m, unspecified]. +.ip quit +The wait for a reply from a QUIT command +[2m, unspecified]. +.ip misc +The wait for a reply from miscellaneous (but short) commands +such as NOOP (no-operation) and VERB (go into verbose mode). +[2m, unspecified]. +.ip command\(dg\(dd +In server SMTP, +the time to wait for another command. +[1h, 5m]. +.ip ident\(dd +The timeout waiting for a reply to an IDENT query +[5s\**, unspecified]. +.(f +\**On some systems the default is zero to turn the protocol off entirely. +.)f +.ip lhlo +The wait for a reply to an LMTP LHLO command +[2m, unspecified]. +.ip auth +The timeout for a reply in an SMTP AUTH dialogue +[10m, unspecified]. +.ip starttls +The timeout for a reply to an SMTP STARTTLS command and the TLS handshake +[1h, unspecified]. +.ip fileopen\(dd +The timeout for opening .forward and :include: files [60s, none]. +.ip control\(dd +The timeout for a complete control socket transaction to complete [2m, none]. +.ip hoststatus\(dd +How long status information about a host +(e.g., host down) +will be cached before it is considered stale +[30m, unspecified]. +.ip resolver.retrans\(dd +The resolver's +retransmission time interval +(in seconds) +[varies]. +Sets both +.i Timeout.resolver.retrans.first +and +.i Timeout.resolver.retrans.normal . +.ip resolver.retrans.first\(dd +The resolver's +retransmission time interval +(in seconds) +for the first attempt to +deliver a message +[varies]. +.ip resolver.retrans.normal\(dd +The resolver's +retransmission time interval +(in seconds) +for all resolver lookups +except the first delivery attempt +[varies]. +.ip resolver.retry\(dd +The number of times +to retransmit a resolver query. +Sets both +.i Timeout.resolver.retry.first +and +.i Timeout.resolver.retry.normal +[varies]. +.ip resolver.retry.first\(dd +The number of times +to retransmit a resolver query +for the first attempt +to deliver a message +[varies]. +.ip resolver.retry.normal\(dd +The number of times +to retransmit a resolver query +for all resolver lookups + except the first delivery attempt +[varies]. +.lp +For compatibility with old configuration files, +if no +.i suboption +is specified, +all the timeouts marked with +.DG +(\(dg) are set to the indicated value. +All but those marked with +.DD +(\(dd) apply to client SMTP. +.pp +For example, the lines: +.(b +O Timeout.command=25m +O Timeout.datablock=3h +.)b +sets the server SMTP command timeout to 25 minutes +and the input data block timeout to three hours. +.sh 3 "Message timeouts" +.pp +After sitting in the queue for a few days, +an undeliverable message will time out. +This is to insure that at least the sender is aware +of the inability to send a message. +The timeout is typically set to five days. +It is sometimes considered convenient to also send a warning message +if the message is in the queue longer than a few hours +(assuming you normally have good connectivity; +if your messages normally took several hours to send +you wouldn't want to do this because it wouldn't be an unusual event). +These timeouts are set using the +.b Timeout.queuereturn +and +.b Timeout.queuewarn +options in the configuration file +(previously both were set using the +.b T +option). +.pp +If the message is submitted using the +.sm NOTIFY +.sm SMTP +extension, +warning messages will only be sent if +.sm NOTIFY=DELAY +is specified. +The queuereturn and queuewarn timeouts +can be further qualified with a tag based on the Precedence: field +in the message; +they must be one of +.q urgent +(indicating a positive non-zero precedence), +.q normal +(indicating a zero precedence), or +.q non-urgent +(indicating negative precedences). +For example, setting +.q Timeout.queuewarn.urgent=1h +sets the warning timeout for urgent messages only +to one hour. +The default if no precedence is indicated +is to set the timeout for all precedences. +If the message has a normal (default) precedence +and it is a delivery status notification (DSN), +.b Timeout.queuereturn.dsn +and +.b Timeout.queuewarn.dsn +can be used to give an alternative warn and return time +for DSNs. +The value "now" can be used for +-O Timeout.queuereturn +to return entries immediately during a queue run, +e.g., to bounce messages independent of their time in the queue. +.pp +Since these options are global, +and since you cannot know +.i "a priori" +how long another host outside your domain will be down, +a five day timeout is recommended. +This allows a recipient to fix the problem even if it occurs +at the beginning of a long weekend. +RFC 1123 section 5.3.1.1 says that this parameter +should be ``at least 4\-5 days''. +.pp +The +.b Timeout.queuewarn +value can be piggybacked on the +.b T +option by indicating a time after which +a warning message should be sent; +the two timeouts are separated by a slash. +For example, the line +.(b +OT5d/4h +.)b +causes email to fail after five days, +but a warning message will be sent after four hours. +This should be large enough that the message will have been tried +several times. +.sh 2 "Forking During Queue Runs" +.pp +By setting the +.b ForkEachJob +(\c +.b Y ) +option, +.i sendmail +will fork before each individual message +while running the queue. +This option was used with earlier releases to prevent +.i sendmail +from consuming large amounts of memory. +It should no longer be necessary with +.i sendmail +8.12. +If the +.b ForkEachJob +option is not set, +.i sendmail +will keep track of hosts that are down during a queue run, +which can improve performance dramatically. +.pp +If the +.b ForkEachJob +option is set, +.i sendmail +cannot use connection caching. +.sh 2 "Queue Priorities" +.pp +Every message is assigned a priority when it is first instantiated, +consisting of the message size (in bytes) +offset by the message class +(which is determined from the Precedence: header) +times the +.q "work class factor" +and the number of recipients times the +.q "work recipient factor." +The priority is used to order the queue. +Higher numbers for the priority mean that the message will be processed later +when running the queue. +.pp +The message size is included so that large messages are penalized +relative to small messages. +The message class allows users to send +.q "high priority" +messages by including a +.q Precedence: +field in their message; +the value of this field is looked up in the +.b P +lines of the configuration file. +Since the number of recipients affects the amount of load a message presents +to the system, +this is also included into the priority. +.pp +The recipient and class factors +can be set in the configuration file using the +.b RecipientFactor +(\c +.b y ) +and +.b ClassFactor +(\c +.b z ) +options respectively. +They default to 30000 (for the recipient factor) +and 1800 +(for the class factor). +The initial priority is: +.EQ +pri = msgsize - (class times bold ClassFactor) + (nrcpt times bold RecipientFactor) +.EN +(Remember, higher values for this parameter actually mean +that the job will be treated with lower priority.) +.pp +The priority of a job can also be adjusted each time it is processed +(that is, each time an attempt is made to deliver it) +using the +.q "work time factor," +set by the +.b RetryFactor +(\c +.b Z ) +option. +This is added to the priority, +so it normally decreases the precedence of the job, +on the grounds that jobs that have failed many times +will tend to fail again in the future. +The +.b RetryFactor +option defaults to 90000. +.sh 2 "Load Limiting" +.pp +.i Sendmail +can be asked to queue (but not deliver) mail +if the system load average gets too high using the +.b QueueLA +(\c +.b x ) +option. +When the load average exceeds the value of the +.b QueueLA +option, the delivery mode is set to +.b q +(queue only) if the +.b QueueFactor +(\c +.b q ) +option divided by the difference in the current load average and the +.b QueueLA +option plus one +is less than the priority of the message \(em +that is, the message is queued iff: +.EQ +pri > { bold QueueFactor } over { LA - { bold QueueLA } + 1 } +.EN +The +.b QueueFactor +option defaults to 600000, +so each point of load average is worth 600000 priority points +(as described above). +.pp +For drastic cases, the +.b RefuseLA +(\c +.b X ) +option defines a load average at which +.i sendmail +will refuse to accept network connections. +Locally generated mail, i.e., mail which is not submitted via SMTP +(including incoming UUCP mail), +is still accepted. +Notice that the MSP submits mail to the MTA via SMTP, and hence +mail will be queued in the client queue in such a case. +Therefore it is necessary to run the client mail queue periodically. +.sh 2 "Resource Limits" +.pp +.i Sendmail +has several parameters to control resource usage. +Besides those mentionted in the previous section, there are at least +.b MaxDaemonChildren , +.b ConnectionRateThrottle , +.b MaxQueueChildren , +and +.b MaxRunnersPerQueue . +The latter two limit the number of +.i sendmail +processes that operate on the queue. +These are discussed in the section +``Queue Group Declaration''. +The former two can be used to limit the number of incoming connections. +Their appropriate values depend on the host operating system and +the hardware, e.g., amount of memory. +In many situations it might be useful to set limits to prevent +to have too many +.i sendmail +processes, however, these limits can be abused to mount a +denial of service attack. +For example, if +.b MaxDaemonChildren=10 +then an attacker needs to open only 10 SMTP sessions to the server, +leave them idle for most of the time, +and no more connections will be accepted. +If this option is set then the timeouts used in a SMTP session +should be lowered from their default values to +their minimum values as specified in RFC 2821 and listed in +section +.\"XREF +4.1.2. +.sh 2 "Measures against Denial of Service Attacks" +.pp +.i Sendmail +has some built-in measures against simple denial of service (DoS) attacks. +The SMTP server by default slows down if too many bad commands are +issued or if some commands are repeated too often within a session. +Details can be found in the source file +.b sendmail/srvrsmtp.c +by looking for the macro definitions of +.b MAXBADCOMMANDS , +.b MAXNOOPCOMMANDS , +.b MAXHELOCOMMANDS , +.b MAXVRFYCOMMANDS , +and +.b MAXETRNCOMMANDS . +If an SMTP command is issued more often than the corresponding +.b MAXcmdCOMMANDS +value, then the response is delayed exponentially, +starting with a sleep time of one second, +up to a maximum of four minutes (as defined by +.b MAXTIMEOUT ). +If the option +.b MaxDaemonChildren +is set to a value greater than zero, +then this could make a DoS attack even worse since it +keeps a connection open longer than necessary. +Therefore a connection is terminated with a 421 SMTP reply code +if the number of commands exceeds the limit by a factor of two and +.b MAXBADCOMMANDS +is set to a value greater than zero (the default is 25). +.sh 2 "Delivery Mode" +.pp +There are a number of delivery modes that +.i sendmail +can operate in, +set by the +.b DeliveryMode +(\c +.b d ) +configuration option. +These modes +specify how quickly mail will be delivered. +Legal modes are: +.(b +.ta 4n +i deliver interactively (synchronously) +b deliver in background (asynchronously) +q queue only (don't deliver) +d defer delivery attempts (don't deliver) +.)b +There are tradeoffs. +Mode +.q i +gives the sender the quickest feedback, +but may slow down some mailers and +is hardly ever necessary. +Mode +.q b +delivers promptly but +can cause large numbers of processes +if you have a mailer that takes a long time to deliver a message. +Mode +.q q +minimizes the load on your machine, +but means that delivery may be delayed for up to the queue interval. +Mode +.q d +is identical to mode +.q q +except that it also prevents lookups in maps including the +.b -D +flag from working during the initial queue phase; +it is intended for ``dial on demand'' sites where DNS lookups +might cost real money. +Some simple error messages +(e.g., host unknown during the SMTP protocol) +will be delayed using this mode. +Mode +.q b +is the usual default. +.pp +If you run in mode +.q q +(queue only), +.q d +(defer), +or +.q b +(deliver in background) +.i sendmail +will not expand aliases and follow .forward files +upon initial receipt of the mail. +This speeds up the response to RCPT commands. +Mode +.q i +should not be used by the SMTP server. +.sh 2 "Log Level" +.pp +The level of logging can be set for +.i sendmail . +The default using a standard configuration table is level 9. +The levels are as follows: +.nr ii 0.5i +.ip 0 +Minimal logging. +.ip 1 +Serious system failures and potential security problems. +.ip 2 +Lost communications (network problems) and protocol failures. +.ip 3 +Other serious failures, malformed addresses, transient forward/include +errors, connection timeouts. +.ip 4 +Minor failures, out of date alias databases, connection rejections +via check_ rulesets. +.ip 5 +Message collection statistics. +.ip 6 +Creation of error messages, +VRFY and EXPN commands. +.ip 7 +Delivery failures (host or user unknown, etc.). +.ip 8 +Successful deliveries and alias database rebuilds. +.ip 9 +Messages being deferred +(due to a host being down, etc.). +.ip 10 +Database expansion (alias, forward, and userdb lookups) +and authentication information. +.ip 11 +NIS errors and end of job processing. +.ip 12 +Logs all SMTP connections. +.ip 13 +Log bad user shells, files with improper permissions, and other +questionable situations. +.ip 14 +Logs refused connections. +.ip 15 +Log all incoming and outgoing SMTP commands. +.ip 20 +Logs attempts to run locked queue files. +These are not errors, +but can be useful to note if your queue appears to be clogged. +.ip 30 +Lost locks (only if using lockf instead of flock). +.lp +Additionally, +values above 64 are reserved for extremely verbose debugging output. +No normal site would ever set these. +.sh 2 "File Modes" +.pp +The modes used for files depend on what functionality you want +and the level of security you require. +In many cases +.i sendmail +does careful checking of the modes +of files and directories +to avoid accidental compromise; +if you want to make it possible to have group-writable support files +you may need to use the +.b DontBlameSendmail +option to turn off some of these checks. +.sh 3 "To suid or not to suid?" +.pp +.i Sendmail +is no longer installed +set-user-ID to root. +sendmail/SECURITY +explains how to configure and install +.i sendmail +without set-user-ID to root but set-group-ID +which is the default configuration starting with 8.12. +.pp +The daemon usually runs as root, unless other measures are taken. +At the point where +.i sendmail +is about to +.i exec \|(2) +a mailer, +it checks to see if the userid is zero (root); +if so, +it resets the userid and groupid to a default +(set by the +.b U= +equate in the mailer line; +if that is not set, the +.b DefaultUser +option is used). +This can be overridden +by setting the +.b S +flag to the mailer +for mailers that are trusted +and must be called as root. +However, +this will cause mail processing +to be accounted +(using +.i sa \|(8)) +to root +rather than to the user sending the mail. +.pp +A middle ground is to set the +.b RunAsUser +option. +This causes +.i sendmail +to become the indicated user as soon as it has done the startup +that requires root privileges +(primarily, opening the +.sm SMTP +socket). +If you use +.b RunAsUser , +the queue directory +(normally +.i /var/spool/mqueue ) +should be owned by that user, +and all files and databases +(including user +.i \&.forward +files, +alias files, +:include: files, +and external databases) +must be readable by that user. +Also, since sendmail will not be able to change its uid, +delivery to programs or files will be marked as unsafe, +e.g., undeliverable, +in +.i \&.forward , +aliases, +and :include: files. +Administrators can override this by setting the +.b DontBlameSendmail +option to the setting +.b NonRootSafeAddr . +.b RunAsUser +is probably best suited for firewall configurations +that don't have regular user logins. +If the option is used on a system which performs local delivery, +then the local delivery agent must have the proper permissions +(i.e., usually set-user-ID root) +since it will be invoked by the +.b RunAsUser , +not by root. +.sh 3 "Turning off security checks" +.pp +.i Sendmail +is very particular about the modes of files that it reads or writes. +For example, by default it will refuse to read most files +that are group writable +on the grounds that they might have been tampered with +by someone other than the owner; +it will even refuse to read files in group writable directories. +Also, sendmail will refuse to create a new aliases database in an +unsafe directory. You can get around this by manually creating the +database file as a trusted user ahead of time and then rebuilding the +aliases database with +.b newaliases . +.pp +If you are +.i quite +sure that your configuration is safe and you want +.i sendmail +to avoid these security checks, +you can turn off certain checks using the +.b DontBlameSendmail +option. +This option takes one or more names that disable checks. +In the descriptions that follow, +.q "unsafe directory" +means a directory that is writable by anyone other than the owner. +The values are: +.nr ii 0.5i +.ip Safe +No special handling. +.ip AssumeSafeChown +Assume that the +.i chown +system call is restricted to root. +Since some versions of UNIX permit regular users +to give away their files to other users on some filesystems, +.i sendmail +often cannot assume that a given file was created by the owner, +particularly when it is in a writable directory. +You can set this flag if you know that file giveaway is restricted +on your system. +.ip ClassFileInUnsafeDirPath +When reading class files (using the +.b F +line in the configuration file), +allow files that are in unsafe directories. +.ip DontWarnForwardFileInUnsafeDirPath +Prevent logging of +unsafe directory path warnings +for non-existent forward files. +.ip ErrorHeaderInUnsafeDirPath +Allow the file named in the +.b ErrorHeader +option to be in an unsafe directory. +.ip FileDeliveryToHardLink +Allow delivery to files that are hard links. +.ip FileDeliveryToSymLink +Allow delivery to files that are symbolic links. +.ip ForwardFileInGroupWritableDirPath +Allow +.i \&.forward +files in group writable directories. +.ip ForwardFileInUnsafeDirPath +Allow +.i \&.forward +files in unsafe directories. +.ip ForwardFileInUnsafeDirPathSafe +Allow a +.i \&.forward +file that is in an unsafe directory to include references +to program and files. +.ip GroupReadableKeyFile +Accept a group-readable key file for STARTTLS. +.ip GroupReadableSASLDBFile +Accept a group-readable Cyrus SASL password file. +.ip GroupWritableAliasFile +Allow group-writable alias files. +.ip GroupWritableDirPathSafe +Change the definition of +.q "unsafe directory" +to consider group-writable directories to be safe. +World-writable directories are always unsafe. +.ip GroupWritableForwardFile +Allow group writable +.i \&.forward +files. +.ip GroupWritableForwardFileSafe +Accept group-writable +.i \&.forward +files as safe for program and file delivery. +.ip GroupWritableIncludeFile +Allow group wriable +.i :include: +files. +.ip GroupWritableIncludeFileSafe +Accept group-writable +.i :include: +files as safe for program and file delivery. +.ip GroupWritableSASLDBFile +Accept a group-writable Cyrus SASL password file. +.ip HelpFileInUnsafeDirPath +Allow the file named in the +.b HelpFile +option to be in an unsafe directory. +.ip IncludeFileInGroupWritableDirPath +Allow +.i :include: +files in group writable directories. +.ip IncludeFileInUnsafeDirPath +Allow +.i :include: +files in unsafe directories. +.ip IncludeFileInUnsafeDirPathSafe +Allow a +.i :include: +file that is in an unsafe directory to include references +to program and files. +.ip InsufficientEntropy +Try to use STARTTLS even if the PRNG for OpenSSL is not properly seeded +despite the security problems. +.ip LinkedAliasFileInWritableDir +Allow an alias file that is a link in a writable directory. +.ip LinkedClassFileInWritableDir +Allow class files that are links in writable directories. +.ip LinkedForwardFileInWritableDir +Allow +.i \&.forward +files that are links in writable directories. +.ip LinkedIncludeFileInWritableDir +Allow +.i :include: +files that are links in writable directories. +.ip LinkedMapInWritableDir +Allow map files that are links in writable directories. +This includes alias database files. +.ip LinkedServiceSwitchFileInWritableDir +Allow the service switch file to be a link +even if the directory is writable. +.ip MapInUnsafeDirPath +Allow maps (e.g., +.i hash , +.i btree , +and +.i dbm +files) +in unsafe directories. +This includes alias database files. +.ip NonRootSafeAddr +Do not mark file and program deliveries as unsafe +if sendmail is not running with root privileges. +.ip RunProgramInUnsafeDirPath +Run programs that are in writable directories without logging a warning. +.ip RunWritableProgram +Run programs that are group- or world-writable without logging a warning. +.ip TrustStickyBit +Allow group or world writable directories +if the sticky bit is set on the directory. +Do not set this on systems which do not honor +the sticky bit on directories. +.ip WorldWritableAliasFile +Accept world-writable alias files. +.ip WorldWritableForwardfile +Allow world writable +.i \&.forward +files. +.ip WorldWritableIncludefile +Allow world wriable +.i :include: +files. +.ip WriteMapToHardLink +Allow writes to maps that are hard links. +.ip WriteMapToSymLink +Allow writes to maps that are symbolic links. +.ip WriteStatsToHardLink +Allow the status file to be a hard link. +.ip WriteStatsToSymLink +Allow the status file to be a symbolic link. +.sh 2 "Connection Caching" +.pp +When processing the queue, +.i sendmail +will try to keep the last few open connections open +to avoid startup and shutdown costs. +This only applies to IPC and LPC connections. +.pp +When trying to open a connection +the cache is first searched. +If an open connection is found, it is probed to see if it is still active +by sending a +.sm RSET +command. +It is not an error if this fails; +instead, the connection is closed and reopened. +.pp +Two parameters control the connection cache. +The +.b ConnectionCacheSize +(\c +.b k ) +option defines the number of simultaneous open connections +that will be permitted. +If it is set to zero, +connections will be closed as quickly as possible. +The default is one. +This should be set as appropriate for your system size; +it will limit the amount of system resources that +.i sendmail +will use during queue runs. +Never set this higher than 4. +.pp +The +.b ConnectionCacheTimeout +(\c +.b K ) +option specifies the maximum time that any cached connection +will be permitted to idle. +When the idle time exceeds this value +the connection is closed. +This number should be small +(under ten minutes) +to prevent you from grabbing too many resources +from other hosts. +The default is five minutes. +.sh 2 "Name Server Access" +.pp +Control of host address lookups is set by the +.b hosts +service entry in your service switch file. +If you are on a system that has built-in service switch support +(e.g., Ultrix, Solaris, or DEC OSF/1) +then your system is probably configured properly already. +Otherwise, +.i sendmail +will consult the file +.b /etc/mail/service.switch , +which should be created. +.i Sendmail +only uses two entries: +.b hosts +and +.b aliases , +although system routines may use other services +(notably the +.b passwd +service for user name lookups by +.i getpwname ). +.pp +However, some systems (such as SunOS 4.X) +will do DNS lookups +regardless of the setting of the service switch entry. +In particular, the system routine +.i gethostbyname (3) +is used to look up host names, +and many vendor versions try some combination of DNS, NIS, +and file lookup in /etc/hosts +without consulting a service switch. +.i Sendmail +makes no attempt to work around this problem, +and the DNS lookup will be done anyway. +If you do not have a nameserver configured at all, +such as at a UUCP-only site, +.i sendmail +will get a +.q "connection refused" +message when it tries to connect to the name server. +If the +.b hosts +switch entry has the service +.q dns +listed somewhere in the list, +.i sendmail +will interpret this to mean a temporary failure +and will queue the mail for later processing; +otherwise, it ignores the name server data. +.pp +The same technique is used to decide whether to do MX lookups. +If you want MX support, you +.i must +have +.q dns +listed as a service in the +.b hosts +switch entry. +.pp +The +.b ResolverOptions +(\c +.b I ) +option allows you to tweak name server options. +The command line takes a series of flags as documented in +.i resolver (3) +(with the leading +.q RES_ +deleted). +Each can be preceded by an optional `+' or `\(mi'. +For example, the line +.(b +O ResolverOptions=+AAONLY \(miDNSRCH +.)b +turns on the AAONLY (accept authoritative answers only) +and turns off the DNSRCH (search the domain path) options. +Most resolver libraries default DNSRCH, DEFNAMES, and RECURSE +flags on and all others off. +If NETINET6 is enabled, most libraries default to USE_INET6 as well. +You can also include +.q HasWildcardMX +to specify that there is a wildcard MX record matching your domain; +this turns off MX matching when canonifying names, +which can lead to inappropriate canonifications. +Use +.q WorkAroundBrokenAAAA +when faced with a broken nameserver that returns SERVFAIL +(a temporary failure) +on T_AAAA (IPv6) lookups +during hostname canonification. +Notice: it might be necessary to apply the same (or similar) options to +.i submit.cf +too. +.pp +Version level 1 configurations (see the section about +``Configuration Version Level'') +turn DNSRCH and DEFNAMES off when doing delivery lookups, +but leave them on everywhere else. +Version 8 of +.i sendmail +ignores them when doing canonification lookups +(that is, when using $[ ... $]), +and always does the search. +If you don't want to do automatic name extension, +don't call $[ ... $]. +.pp +The search rules for $[ ... $] are somewhat different than usual. +If the name being looked up +has at least one dot, it always tries the unmodified name first. +If that fails, it tries the reduced search path, +and lastly tries the unmodified name +(but only for names without a dot, +since names with a dot have already been tried). +This allows names such as +``utc.CS'' +to match the site in Czechoslovakia +rather than the site in your local Computer Science department. +It also prefers A and CNAME records over MX records \*- +that is, if it finds an MX record it makes note of it, +but keeps looking. +This way, if you have a wildcard MX record matching your domain, +it will not assume that all names match. +.pp +To completely turn off all name server access +on systems without service switch support +(such as SunOS 4.X) +you will have to recompile with +\-DNAMED_BIND=0 +and remove \-lresolv from the list of libraries to be searched +when linking. +.sh 2 "Moving the Per-User Forward Files" +.pp +Some sites mount each user's home directory +from a local disk on their workstation, +so that local access is fast. +However, the result is that .forward file lookups +from a central mail server are slow. +In some cases, +mail can even be delivered on machines inappropriately +because of a file server being down. +The performance can be especially bad if you run the automounter. +.pp +The +.b ForwardPath +(\c +.b J ) +option allows you to set a path of forward files. +For example, the config file line +.(b +O ForwardPath=/var/forward/$u:$z/.forward.$w +.)b +would first look for a file with the same name as the user's login +in /var/forward; +if that is not found (or is inaccessible) +the file +``.forward.\c +.i machinename '' +in the user's home directory is searched. +A truly perverse site could also search by sender +by using $r, $s, or $f. +.pp +If you create a directory such as /var/forward, +it should be mode 1777 +(that is, the sticky bit should be set). +Users should create the files mode 0644. +Note that you must use the +ForwardFileInUnsafeDirPath and +ForwardFileInUnsafeDirPathSafe +flags with the +.b DontBlameSendmail +option to allow forward files in a world writable directory. +This might also be used as a denial of service attack +(users could create forward files for other users); +a better approach might be to create +/var/forward +mode 0755 +and create empty files for each user, +owned by that user, +mode 0644. +If you do this, you don't have to set the DontBlameSendmail options +indicated above. +.sh 2 "Free Space" +.pp +On systems that have one of the system calls in the +.i statfs (2) +family +(including +.i statvfs +and +.i ustat ), +you can specify a minimum number of free blocks on the queue filesystem +using the +.b MinFreeBlocks +(\c +.b b ) +option. +If there are fewer than the indicated number of blocks free +on the filesystem on which the queue is mounted +the SMTP server will reject mail +with the +452 error code. +This invites the SMTP client to try again later. +.pp +Beware of setting this option too high; +it can cause rejection of email +when that mail would be processed without difficulty. +.sh 2 "Maximum Message Size" +.pp +To avoid overflowing your system with a large message, +the +.b MaxMessageSize +option can be set to set an absolute limit +on the size of any one message. +This will be advertised in the ESMTP dialogue +and checked during message collection. +.sh 2 "Privacy Flags" +.pp +The +.b PrivacyOptions +(\c +.b p ) +option allows you to set certain +``privacy'' +flags. +Actually, many of them don't give you any extra privacy, +rather just insisting that client SMTP servers +use the HELO command +before using certain commands +or adding extra headers to indicate possible spoof attempts. +.pp +The option takes a series of flag names; +the final privacy is the inclusive or of those flags. +For example: +.(b +O PrivacyOptions=needmailhelo, noexpn +.)b +insists that the HELO or EHLO command be used before a MAIL command is accepted +and disables the EXPN command. +.pp +The flags are detailed in section +.\"XREF +5.6. +.sh 2 "Send to Me Too" +.pp +Beginning with version 8.10, +.i sendmail +includes by default the (envelope) sender in any list expansions. +For example, if +.q matt +sends to a list that contains +.q matt +as one of the members he will get a copy of the message. +If the +.b MeToo +option is set to +.sm FALSE +(in the configuration file or via the command line), +this behavior is changed, i.e., +the (envelope) sender is excluded in list expansions. +.sh 1 "THE WHOLE SCOOP ON THE CONFIGURATION FILE" +.pp +This section describes the configuration file +in detail. +.pp +There is one point that should be made clear immediately: +the syntax of the configuration file +is designed to be reasonably easy to parse, +since this is done every time +.i sendmail +starts up, +rather than easy for a human to read or write. +The configuration file should be generated via the method described in +.b cf/README , +it should not be edited directly unless someone is familiar +with the internals of the syntax described here and it is +not possible to achieve the desired result via the default method. +.pp +The configuration file is organized as a series of lines, +each of which begins with a single character +defining the semantics for the rest of the line. +Lines beginning with a space or a tab +are continuation lines +(although the semantics are not well defined in many places). +Blank lines and lines beginning with a sharp symbol +(`#') +are comments. +.sh 2 "R and S \*- Rewriting Rules" +.pp +The core of address parsing +are the rewriting rules. +These are an ordered production system. +.i Sendmail +scans through the set of rewriting rules +looking for a match on the left hand side +(LHS) +of the rule. +When a rule matches, +the address is replaced by the right hand side +(RHS) +of the rule. +.pp +There are several sets of rewriting rules. +Some of the rewriting sets are used internally +and must have specific semantics. +Other rewriting sets +do not have specifically assigned semantics, +and may be referenced by the mailer definitions +or by other rewriting sets. +.pp +The syntax of these two commands are: +.(b F +.b S \c +.i n +.)b +Sets the current ruleset being collected to +.i n . +If you begin a ruleset more than once +it appends to the old definition. +.(b F +.b R \c +.i lhs +.i rhs +.i comments +.)b +The +fields must be separated +by at least one tab character; +there may be embedded spaces +in the fields. +The +.i lhs +is a pattern that is applied to the input. +If it matches, +the input is rewritten to the +.i rhs . +The +.i comments +are ignored. +.pp +Macro expansions of the form +.b $ \c +.i x +are performed when the configuration file is read. +A literal +.b $ +can be included using +.b $$ . +Expansions of the form +.b $& \c +.i x +are performed at run time using a somewhat less general algorithm. +This is intended only for referencing internally defined macros +such as +.b $h +that are changed at runtime. +.sh 3 "The left hand side" +.pp +The left hand side of rewriting rules contains a pattern. +Normal words are simply matched directly. +Metasyntax is introduced using a dollar sign. +The metasymbols are: +.(b +.ta \w'\fB$=\fP\fIx\fP 'u +\fB$*\fP Match zero or more tokens +\fB$+\fP Match one or more tokens +\fB$\-\fP Match exactly one token +\fB$=\fP\fIx\fP Match any phrase in class \fIx\fP +\fB$~\fP\fIx\fP Match any word not in class \fIx\fP +.)b +If any of these match, +they are assigned to the symbol +.b $ \c +.i n +for replacement on the right hand side, +where +.i n +is the index in the LHS. +For example, +if the LHS: +.(b +$\-:$+ +.)b +is applied to the input: +.(b +UCBARPA:eric +.)b +the rule will match, and the values passed to the RHS will be: +.(b +.ta 4n +$1 UCBARPA +$2 eric +.)b +.pp +Additionally, the LHS can include +.b $@ +to match zero tokens. +This is +.i not +bound to a +.b $ \c +.i n +on the RHS, and is normally only used when it stands alone +in order to match the null input. +.sh 3 "The right hand side" +.pp +When the left hand side of a rewriting rule matches, +the input is deleted and replaced by the right hand side. +Tokens are copied directly from the RHS +unless they begin with a dollar sign. +Metasymbols are: +.(b +.ta \w'$#mailer\0\0\0'u +\fB$\fP\fIn\fP Substitute indefinite token \fIn\fP from LHS +\fB$[\fP\fIname\fP\fB$]\fP Canonicalize \fIname\fP +\fB$(\fP\fImap key\fP \fB$@\fP\fIarguments\fP \fB$:\fP\fIdefault\fP \fB$)\fP + Generalized keyed mapping function +\fB$>\fP\fIn\fP \*(lqCall\*(rq ruleset \fIn\fP +\fB$#\fP\fImailer\fP Resolve to \fImailer\fP +\fB$@\fP\fIhost\fP Specify \fIhost\fP +\fB$:\fP\fIuser\fP Specify \fIuser\fP +.)b +.pp +The +.b $ \c +.i n +syntax substitutes the corresponding value from a +.b $+ , +.b $\- , +.b $* , +.b $= , +or +.b $~ +match on the LHS. +It may be used anywhere. +.pp +A host name enclosed between +.b $[ +and +.b $] +is looked up in the host database(s) +and replaced by the canonical name\**. +.(f +\**This is actually +completely equivalent +to $(host \fIhostname\fP$). +In particular, a +.b $: +default can be used. +.)f +For example, +.q $[ftp$] +might become +.q ftp.CS.Berkeley.EDU +and +.q $[[128.32.130.2]$] +would become +.q vangogh.CS.Berkeley.EDU. +.i Sendmail +recognizes its numeric IP address +without calling the name server +and replaces it with its canonical name. +.pp +The +.b $( +\&... +.b $) +syntax is a more general form of lookup; +it uses a named map instead of an implicit map. +If no lookup is found, the indicated +.i default +is inserted; +if no default is specified and no lookup matches, +the value is left unchanged. +The +.i arguments +are passed to the map for possible use. +.pp +The +.b $> \c +.i n +syntax +causes the remainder of the line to be substituted as usual +and then passed as the argument to ruleset +.i n . +The final value of ruleset +.i n +then becomes +the substitution for this rule. +The +.b $> +syntax expands everything after the ruleset name +to the end of the replacement string +and then passes that as the initial input to the ruleset. +Recursive calls are allowed. +For example, +.(b +$>0 $>3 $1 +.)b +expands $1, passes that to ruleset 3, and then passes the result +of ruleset 3 to ruleset 0. +.pp +The +.b $# +syntax should +.i only +be used in ruleset zero, +a subroutine of ruleset zero, +or rulesets that return decisions (e.g., check_rcpt). +It causes evaluation of the ruleset to terminate immediately, +and signals to +.i sendmail +that the address has completely resolved. +The complete syntax for ruleset 0 is: +.(b +\fB$#\fP\fImailer\fP \fB$@\fP\fIhost\fP \fB$:\fP\fIuser\fP +.)b +This specifies the +{mailer, host, user} +3-tuple necessary to direct the mailer. +Note: the third element ( +.i user +) is often also called +.i address +part. +If the mailer is local +the host part may be omitted\**. +.(f +\**You may want to use it for special +.q "per user" +extensions. +For example, in the address +.q jgm+foo@CMU.EDU ; +the +.q +foo +part is not part of the user name, +and is passed to the local mailer for local use. +.)f +The +.i mailer +must be a single word, +but the +.i host +and +.i user +may be multi-part. +If the +.i mailer +is the built-in IPC mailer, +the +.i host +may be a colon-separated list of hosts +that are searched in order for the first working address +(exactly like MX records). +The +.i user +is later rewritten by the mailer-specific envelope rewriting set +and assigned to the +.b $u +macro. +As a special case, if the mailer specified has the +.b F=@ +flag specified +and the first character of the +.b $: +value is +.q @ , +the +.q @ +is stripped off, and a flag is set in the address descriptor +that causes sendmail to not do ruleset 5 processing. +.pp +Normally, a rule that matches is retried, +that is, +the rule loops until it fails. +A RHS may also be preceded by a +.b $@ +or a +.b $: +to change this behavior. +A +.b $@ +prefix causes the ruleset to return with the remainder of the RHS +as the value. +A +.b $: +prefix causes the rule to terminate immediately, +but the ruleset to continue; +this can be used to avoid continued application of a rule. +The prefix is stripped before continuing. +.pp +The +.b $@ +and +.b $: +prefixes may precede a +.b $> +spec; +for example: +.(b +.ta 8n +R$+ $: $>7 $1 +.)b +matches anything, +passes that to ruleset seven, +and continues; +the +.b $: +is necessary to avoid an infinite loop. +.pp +Substitution occurs in the order described, +that is, +parameters from the LHS are substituted, +hostnames are canonicalized, +.q subroutines +are called, +and finally +.b $# , +.b $@ , +and +.b $: +are processed. +.sh 3 "Semantics of rewriting rule sets" +.pp +There are six rewriting sets +that have specific semantics. +Five of these are related as depicted by figure 1. +.(z +.hl +.ie n \{\ +.(c + +---+ + -->| 0 |-->resolved address + / +---+ + / +---+ +---+ + / ---->| 1 |-->| S |-- + +---+ / +---+ / +---+ +---+ \e +---+ +addr-->| 3 |-->| D |-- --->| 4 |-->msg + +---+ +---+ \e +---+ +---+ / +---+ + --->| 2 |-->| R |-- + +---+ +---+ +.)c + +.\} +.el \{\ +.ie !"\*(.T"" \{\ +.PS +boxwid = 0.3i +boxht = 0.3i +movewid = 0.3i +moveht = 0.3i +linewid = 0.3i +lineht = 0.3i + + box invis "addr"; arrow +Box3: box "3" +A1: arrow +BoxD: box "D"; line; L1: Here +C: [ + C1: arrow; box "1"; arrow; box "S"; line; E1: Here + move to C1 down 0.5; right + C2: arrow; box "2"; arrow; box "R"; line; E2: Here + ] with .w at L1 + (0.5, 0) + move to C.e right 0.5 +L4: arrow; box "4"; arrow; box invis "msg" + line from L1 to C.C1 + line from L1 to C.C2 + line from C.E1 to L4 + line from C.E2 to L4 + move to BoxD.n up 0.6; right +Box0: arrow; box "0" + arrow; box invis "resolved address" width 1.3 + line from 1/3 of the way between A1 and BoxD.w to Box0 +.PE +.\} +.el .sp 2i +.\} +.ce +Figure 1 \*- Rewriting set semantics +.(c +D \*- sender domain addition +S \*- mailer-specific sender rewriting +R \*- mailer-specific recipient rewriting +.)c +.hl +.)z +.pp +Ruleset three +should turn the address into +.q "canonical form." +This form should have the basic syntax: +.(b +local-part@host-domain-spec +.)b +Ruleset three +is applied by +.i sendmail +before doing anything with any address. +.pp +If no +.q @ +sign is specified, +then the +host-domain-spec +.i may +be appended (box +.q D +in Figure 1) +from the +sender address +(if the +.b C +flag is set in the mailer definition +corresponding to the +.i sending +mailer). +.pp +Ruleset zero +is applied after ruleset three +to addresses that are going to actually specify recipients. +It must resolve to a +.i "{mailer, host, address}" +triple. +The +.i mailer +must be defined in the mailer definitions +from the configuration file. +The +.i host +is defined into the +.b $h +macro +for use in the argv expansion of the specified mailer. +Notice: since the envelope sender address will be used if +a delivery status notification must be send, +i.e., is may specify a recipient, +it is also run through ruleset zero. +If ruleset zero returns a temporary error +.b 4xy +then delivery is deferred. +This can be used to temporarily disable delivery, +e.g., based on the time of the day or other varying parameters. +It should not be used to quarantine e-mails. +.pp +Rulesets one and two +are applied to all sender and recipient addresses respectively. +They are applied before any specification +in the mailer definition. +They must never resolve. +.pp +Ruleset four is applied to all addresses +in the message. +It is typically used +to translate internal to external form. +.pp +In addition, +ruleset 5 is applied to all local addresses +(specifically, those that resolve to a mailer with the `F=5' +flag set) +that do not have aliases. +This allows a last minute hook for local names. +.sh 3 "Ruleset hooks" +.pp +A few extra rulesets are defined as +.q hooks +that can be defined to get special features. +They are all named rulesets. +The +.q check_* +forms all give accept/reject status; +falling off the end or returning normally is an accept, +and resolving to +.b $#error +is a reject or quarantine. +Quarantining is chosen by specifying +.b quarantine +in the second part of the mailer triplet: +.(b +$#error $@ quarantine $: Reason for quarantine +.)b +Many of these can also resolve to the special mailer name +.b $#discard ; +this accepts the message as though it were successful +but then discards it without delivery. +Note, +this mailer cannot be chosen as a mailer in ruleset 0. +Note also that all +.q check_* +rulesets have to deal with temporary failures, especially for map lookups, +themselves, i.e., they should return a temporary error code +or at least they should make a proper decision in those cases. +.sh 4 "check_relay" +.pp +The +.i check_relay +ruleset is called after a connection is accepted by the daemon. +It is not called when sendmail is started using the +.b \-bs +option. +It is passed +.(b +client.host.name $| client.host.address +.)b +where +.b $| +is a metacharacter separating the two parts. +This ruleset can reject connections from various locations. +Note that it only checks the connecting SMTP client IP address and hostname. +It does not check for third party message relaying. +The +.i check_rcpt +ruleset discussed below usually does third party message relay checking. +.sh 4 "check_mail" +.pp +The +.i check_mail +ruleset is passed the user name parameter of the +.sm "SMTP MAIL" +command. +It can accept or reject the address. +.sh 4 "check_rcpt" +.pp +The +.i check_rcpt +ruleset is passed the user name parameter of the +.sm "SMTP RCPT" +command. +It can accept or reject the address. +.sh 4 "check_data" +.pp +The +.i check_data +ruleset is called after the +.sm "SMTP DATA" +command, its parameter is the number of recipients. +It can accept or reject the command. +.sh 4 "check_compat" +.pp +The +.i check_compat +ruleset is passed +.(b +sender-address $| recipient-address +.)b +where +.b $| +is a metacharacter separating the addresses. +It can accept or reject mail transfer between these two addresses +much like the +.i checkcompat() +function. +.sh 4 "check_eoh" +.pp +The +.i check_eoh +ruleset is passed +.(b +number-of-headers $| size-of-headers +.)b +where +.b $| +is a metacharacter separating the numbers. +These numbers can be used for size comparisons with the +.b arith +map. +The ruleset is triggered after +all of the headers have been read. +It can be used to correlate information gathered +from those headers using the +.b macro +storage map. +One possible use is to check for a missing header. +For example: +.(b +.ta 1.5i +Kstorage macro +HMessage-Id: $>CheckMessageId + +SCheckMessageId +# Record the presence of the header +R$* $: $(storage {MessageIdCheck} $@ OK $) $1 +R< $+ @ $+ > $@ OK +R$* $#error $: 553 Header Error + +Scheck_eoh +# Check the macro +R$* $: < $&{MessageIdCheck} > +# Clear the macro for the next message +R$* $: $(storage {MessageIdCheck} $) $1 +# Has a Message-Id: header +R< $+ > $@ OK +# Allow missing Message-Id: from local mail +R$* $: < $&{client_name} > +R< > $@ OK +R< $=w > $@ OK +# Otherwise, reject the mail +R$* $#error $: 553 Header Error +.)b +Keep in mind the Message-Id: header is not a required header and +is not a guaranteed spam indicator. +This ruleset is an example and +should probably not be used in production. +.sh 4 "check_etrn" +.pp +The +.i check_etrn +ruleset is passed the parameter of the +.sm "SMTP ETRN" +command. +It can accept or reject the command. +.sh 4 "check_expn" +.pp +The +.i check_expn +ruleset is passed the user name parameter of the +.sm "SMTP EXPN" +command. +It can accept or reject the address. +.sh 4 "check_vrfy" +.pp +The +.i check_vrfy +ruleset is passed the user name parameter of the +.sm "SMTP VRFY" +command. +It can accept or reject the command. +.sh 4 "trust_auth" +.pp +The +.i trust_auth +ruleset is passed the AUTH= parameter of the +.sm "SMTP MAIL" +command. +It is used to determine whether this value should be +trusted. In order to make this decision, the ruleset +may make use of the various +.b ${auth_*} +macros. +If the ruleset does resolve to the +.q error +mailer the AUTH= parameter is not trusted and hence +not passed on to the next relay. +.sh 4 "tls_client" +.pp +The +.i tls_client +ruleset is called when sendmail acts as server, after a STARTTLS command +has been issued, and from +.i check_mail. +The parameter is the value of +.b ${verify} +and STARTTLS or MAIL, respectively. +If the ruleset does resolve to the +.q error +mailer, the appropriate error code is returned to the client. +.sh 4 "tls_server" +.pp +The +.i tls_server +ruleset is called when sendmail acts as client after a STARTTLS command +(should) have been issued. +The parameter is the value of +.b ${verify} . +If the ruleset does resolve to the +.q error +mailer, the connection is aborted +(treated as non-deliverable with a permanent or temporary error). +.sh 4 "tls_rcpt" +.pp +The +.i tls_rcpt +ruleset is called each time before a RCPT TO command is sent. +The parameter is the current recipient. +If the ruleset does resolve to the +.q error +mailer, the RCPT TO command is suppressed +(treated as non-deliverable with a permanent or temporary error). +This ruleset allows to require encryption or verification of +the recipient's MTA even if the mail is somehow redirected +to another host. +For example, sending mail to +.i luke@endmail.org +may get redirected to a host named +.i death.star +and hence the tls_server ruleset won't apply. +By introducing per recipient restrictions such attacks +(e.g., via DNS spoofing) can be made impossible. +See +.i cf/README +how this ruleset can be used. +.sh 4 "srv_features" +.pp +The +.i srv_features +ruleset is called with the connecting client's host name +when a client connects to sendmail. +This ruleset should return +.b $# +followed by a list of options (single characters +delimited by white space). +If the return value starts with anything else it is silently ignored. +Generally upper case characters turn off a feature +while lower case characters turn it on. +Option `S' causes the server not to offer STARTTLS, +which is useful to interact with MTAs/MUAs that have broken +STARTTLS implementations by simply not offering it. +`V' turns off the request for a client certificate during the TLS handshake. +Options `A' and `P' suppress SMTP AUTH and PIPELINING, respectively. +`c' is the equivalent to AuthOptions=p, i.e., +it doesn't permit mechanisms susceptible to simple +passive attack (e.g., PLAIN, LOGIN), unless a security layer is active. +Option `l' requires SMTP AUTH for a connection. +Options 'B', 'D', 'E', and 'X' suppress SMTP VERB, DSN, ETRN, and EXPN, +respectively. +.(b +.ta 9n +A Do not offer AUTH +a Offer AUTH (default) +B Do not offer VERB +b Offer VERB (default) +C Do not require security layer for + plaintext AUTH (default) +c Require security layer for plaintext AUTH +D Do not offer DSN +d Offer DSN (default) +E Do not offer ETRN +e Offer ETRN (default) +L Do not require AUTH (default) +l Require AUTH +P Do not offer PIPELINING +p Offer PIPELINING (default) +S Do not offer STARTTLS +s Offer STARTTLS (default) +V Do not request a client certificate +v Request a client certificate (default) +X Do not offer EXPN +x Offer EXPN (default) +.)b +Note: the entries marked as ``(default)'' may require that some +configuration has been made, e.g., SMTP AUTH is only available if +properly configured. +Moreover, many options can be changed on a global basis via other +settings as explained in this document, e.g., via DaemonPortOptions. +.pp +The ruleset may return `$#temp' to indicate that there is a temporary +problem determining the correct features, e.g., if a map is unavailable. +In that case, the SMTP server issues a temporary failure and does not +accept email. +.sh 4 "try_tls" +.pp +The +.i try_tls +ruleset is called when sendmail connects to another MTA. +If the ruleset does resolve to the +.q error +mailer, sendmail does not try STARTTLS even if it is offered. +This is useful to interact with MTAs that have broken +STARTTLS implementations by simply not using it. +.sh 4 "authinfo" +.pp +The +.i authinfo +ruleset is called when sendmail tries to authenticate to another MTA. +It should return +.b $# +followed by a list of tokens that are used for SMTP AUTH. +If the return value starts with anything else it is silently ignored. +Each token is a tagged string of the form: +"TDstring" +(including the quotes), where +.(b +.ta 9n +T Tag which describes the item +D Delimiter: ':' simple text follows + '=' string is base64 encoded +string Value of the item +.)b +Valid values for the tag are: +.(b +.ta 9n +U user (authorization) id +I authentication id +P password +R realm +M list of mechanisms delimited by spaces +.)b +If this ruleset is defined, the option +.b DefaultAuthInfo +is ignored (even if the ruleset does not return a ``useful'' result). +.sh 4 "queuegroup" +.pp +The +.i queuegroup +ruleset is used to map a recipient address to a queue group name. +The input for the ruleset is a recipient address as specified by the +.sm "SMTP RCPT" +command. +The ruleset should return +.b $# +followed by the name of a queue group. +If the return value starts with anything else it is silently ignored. +See the section about ``Queue Groups and Queue Directories'' +for further information. +.sh 4 "greet_pause" +.pp +The +.i greet_pause +ruleset is used to specify the amount of time to pause before sending the +initial SMTP 220 greeting. +If any traffic is received during that pause, an SMTP 554 rejection +response is given instead of the 220 greeting and all SMTP commands are +rejected during that connection. +This helps protect sites from open proxies and SMTP slammers. +The ruleset should return +.b $# +followed by the number of milliseconds (thousandths of a second) to +pause. +If the return value starts with anything else or is not a number, +it is silently ignored. +Note: this ruleset is not invoked (and hence the feature is disabled) +when the smtps (SMTP over SSL) is used, i.e., +the +.i s +modifier is set for the daemon via +.b DaemonPortOptions , +because in this case the SSL handshake is performed before +the greeting is sent. +.sh 3 "IPC mailers" +.pp +Some special processing occurs +if the ruleset zero resolves to an IPC mailer +(that is, a mailer that has +.q [IPC] +listed as the Path in the +.b M +configuration line. +The host name passed after +.q $@ +has MX expansion performed if not delivering via a named socket; +this looks the name up in DNS to find alternate delivery sites. +.pp +The host name can also be provided as a dotted quad +or an IPv6 address in square brackets; +for example: +.(b +[128.32.149.78] +.)b +or +.(b +[IPv6:2002:c0a8:51d2::23f4] +.)b +This causes direct conversion of the numeric value +to an IP host address. +.pp +The host name passed in after the +.q $@ +may also be a colon-separated list of hosts. +Each is separately MX expanded and the results are concatenated +to make (essentially) one long MX list. +The intent here is to create +.q fake +MX records that are not published in DNS +for private internal networks. +.pp +As a final special case, the host name can be passed in +as a text string +in square brackets: +.(b +[ucbvax.berkeley.edu] +.)b +This form avoids the MX mapping. +.b N.B.: +.i +This is intended only for situations where you have a network firewall +or other host that will do special processing for all your mail, +so that your MX record points to a gateway machine; +this machine could then do direct delivery to machines +within your local domain. +Use of this feature directly violates RFC 1123 section 5.3.5: +it should not be used lightly. +.r +.sh 2 "D \*- Define Macro" +.pp +Macros are named with a single character +or with a word in {braces}. +The names ``x'' and ``{x}'' denote the same macro +for every single character ``x''. +Single character names may be selected from the entire ASCII set, +but user-defined macros +should be selected from the set of upper case letters only. +Lower case letters +and special symbols +are used internally. +Long names beginning with a lower case letter or a punctuation character +are reserved for use by sendmail, +so user-defined long macro names should begin with an upper case letter. +.pp +The syntax for macro definitions is: +.(b F +.b D \c +.i x\|val +.)b +where +.i x +is the name of the macro +(which may be a single character +or a word in braces) +and +.i val +is the value it should have. +There should be no spaces given +that do not actually belong in the macro value. +.pp +Macros are interpolated +using the construct +.b $ \c +.i x , +where +.i x +is the name of the macro to be interpolated. +This interpolation is done when the configuration file is read, +except in +.b M +lines. +The special construct +.b $& \c +.i x +can be used in +.b R +lines to get deferred interpolation. +.pp +Conditionals can be specified using the syntax: +.(b +$?x text1 $| text2 $. +.)b +This interpolates +.i text1 +if the macro +.b $x +is set and non-null, +and +.i text2 +otherwise. +The +.q else +(\c +.b $| ) +clause may be omitted. +.pp +The following macros are defined and/or used internally by +.i sendmail +for interpolation into argv's for mailers +or for other contexts. +The ones marked \(dg are information passed into sendmail\**, +.(f +\**As of version 8.6, +all of these macros have reasonable defaults. +Previous versions required that they be defined. +.)f +the ones marked \(dd are information passed both in and out of sendmail, +and the unmarked macros are passed out of sendmail +but are not otherwise used internally. +These macros are: +.nr ii 5n +.ip $a +The origination date in RFC 822 format. +This is extracted from the Date: line. +.ip $b +The current date in RFC 822 format. +.ip $c +The hop count. +This is a count of the number of Received: lines +plus the value of the +.b \-h +command line flag. +.ip $d +The current date in UNIX (ctime) format. +.ip $e\(dg +(Obsolete; use SmtpGreetingMessage option instead.) +The SMTP entry message. +This is printed out when SMTP starts up. +The first word must be the +.b $j +macro as specified by RFC 821. +Defaults to +.q "$j Sendmail $v ready at $b" . +Commonly redefined to include the configuration version number, e.g., +.q "$j Sendmail $v/$Z ready at $b" +.ip $f +The envelope sender (from) address. +.ip $g +The sender address relative to the recipient. +For example, if +.b $f +is +.q foo , +.b $g +will be +.q host!foo , +.q foo@host.domain , +or whatever is appropriate for the receiving mailer. +.ip $h +The recipient host. +This is set in ruleset 0 from the $@ field of a parsed address. +.ip $i +The queue id, +e.g., +.q f344MXxp018717 . +.ip $j\(dd +The \*(lqofficial\*(rq domain name for this site. +This is fully qualified if the full qualification can be found. +It +.i must +be redefined to be the fully qualified domain name +if your system is not configured so that information can find +it automatically. +.ip $k +The UUCP node name (from the uname system call). +.ip $l\(dg +(Obsolete; use UnixFromLine option instead.) +The format of the UNIX from line. +Unless you have changed the UNIX mailbox format, +you should not change the default, +which is +.q "From $g $d" . +.ip $m +The domain part of the \fIgethostname\fP return value. +Under normal circumstances, +.b $j +is equivalent to +.b $w.$m . +.ip $n\(dg +The name of the daemon (for error messages). +Defaults to +.q MAILER-DAEMON . +.ip $o\(dg +(Obsolete: use OperatorChars option instead.) +The set of \*(lqoperators\*(rq in addresses. +A list of characters +which will be considered tokens +and which will separate tokens +when doing parsing. +For example, if +.q @ +were in the +.b $o +macro, then the input +.q a@b +would be scanned as three tokens: +.q a, +.q @, +and +.q b. +Defaults to +.q ".:@[]" , +which is the minimum set necessary to do RFC 822 parsing; +a richer set of operators is +.q ".:%@!/[]" , +which adds support for UUCP, the %-hack, and X.400 addresses. +.ip $p +Sendmail's process id. +.ip $q\(dg +Default format of sender address. +The +.b $q +macro specifies how an address should appear in a message +when it is defaulted. +Defaults to +.q "<$g>" . +It is commonly redefined to be +.q "$?x$x <$g>$|$g$." +or +.q "$g$?x ($x)$." , +corresponding to the following two formats: +.(b +Eric Allman +eric@CS.Berkeley.EDU (Eric Allman) +.)b +.i Sendmail +properly quotes names that have special characters +if the first form is used. +.ip $r +Protocol used to receive the message. +Set from the +.b \-p +command line flag or by the SMTP server code. +.ip $s +Sender's host name. +Set from the +.b \-p +command line flag or by the SMTP server code +(in which case it is set to the EHLO/HELO parameter). +.ip $t +A numeric representation of the current time in the format YYYYMMDDHHmm +(4 digit year 1900-9999, 2 digit month 01-12, 2 digit day 01-31, +2 digit hours 00-23, 2 digit minutes 00-59). +.ip $u +The recipient user. +.ip $v +The version number of the +.i sendmail +binary. +.ip $w\(dd +The hostname of this site. +This is the root name of this host (but see below for caveats). +.ip $x +The full name of the sender. +.ip $z +The home directory of the recipient. +.ip $_ +The validated sender address. +See also +.b ${client_resolve} . +.ip ${addr_type} +The type of the address which is currently being rewritten. +This macro contains up to three characters, the first +is either `e' or `h' for envelope/header address, +the second is a space, +and the third is either `s' or `r' for sender/recipient address. +Notice: for header addresses no distinction is currently made +between sender and recipient addresses, i.e., the macro contains +only `h'. +.ip ${alg_bits} +The maximum keylength (in bits) of the symmetric encryption algorithm +used for a TLS connection. +This may be less than the effective keylength, +which is stored in +.b ${cipher_bits} , +for ``export controlled'' algorithms. +.ip ${auth_authen} +The client's authentication credentials as determined by authentication +(only set if successful). +The format depends on the mechanism used, it might be just `user', +or `user@realm', or something similar (SMTP AUTH only). +.ip ${auth_author} +The authorization identity, i.e. the AUTH= parameter of the +.sm "SMTP MAIL" +command if supplied. +.ip ${auth_type} +The mechanism used for SMTP authentication +(only set if successful). +.ip ${auth_ssf} +The keylength (in bits) of the symmetric encryption algorithm +used for the security layer of a SASL mechanism. +.ip ${bodytype} +The message body type +(7BIT or 8BITMIME), +as determined from the envelope. +.ip ${cert_issuer} +The DN (distinguished name) of the CA (certificate authority) +that signed the presented certificate (the cert issuer) +(STARTTLS only). +.ip ${cert_md5} +The MD5 hash of the presented certificate (STARTTLS only). +.ip ${cert_subject} +The DN of the presented certificate (called the cert subject) +(STARTTLS only). +.ip ${cipher} +The cipher suite used for the connection, e.g., EDH-DSS-DES-CBC3-SHA, +EDH-RSA-DES-CBC-SHA, DES-CBC-MD5, DES-CBC3-SHA +(STARTTLS only). +.ip ${cipher_bits} +The effective keylength (in bits) of the symmetric encryption algorithm +used for a TLS connection. +.ip ${client_addr} +The IP address of the SMTP client. +IPv6 addresses are tagged with "IPv6:" before the address. +Defined in the SMTP server only. +.ip ${client_connections} +The number of open connections in the SMTP server for the client IP address. +.ip ${client_name} +The host name of the SMTP client. +This may be the client's bracketed IP address +in the form [ nnn.nnn.nnn.nnn ] for IPv4 +and [ IPv6:nnnn:...:nnnn ] for IPv6 +if the client's +IP address is not resolvable, or if it is resolvable +but the IP address of the resolved hostname +doesn't match the original IP address. +Defined in the SMTP server only. +See also +.b ${client_resolve} . +.ip ${client_port} +The port number of the SMTP client. +Defined in the SMTP server only. +.ip ${client_ptr} +The result of the PTR lookup for the client IP address. +Note: this is the same as +.b ${client_name} +if and only if +.b ${client_resolve} +is OK. +Defined in the SMTP server only. +.ip ${client_rate} +The number of incoming connections for the client IP address +over the time interval specified by ConnectionRateWindowSize. +.ip ${client_resolve} +Holds the result of the resolve call for +.b ${client_name} . +Possible values are: +.(b +.ta 10n +OK resolved successfully +FAIL permanent lookup failure +FORGED forward lookup doesn't match reverse lookup +TEMP temporary lookup failure +.)b +Defined in the SMTP server only. +.i sendmail +performs a hostname lookup on the IP address of the connecting client. +Next the IP addresses of that hostname are looked up. +If the client IP address does not appear in that list, +then the hostname is maybe forged. +This is reflected as the value FORGED for +.b ${client_resolve} +and it also shows up in +.b $_ +as "(may be forged)". +.ip ${cn_issuer} +The CN (common name) of the CA that signed the presented certificate +(STARTTLS only). +.ip ${cn_subject} +The CN (common name) of the presented certificate +(STARTTLS only). +.ip ${currHeader} +Header value as quoted string +(possibly truncated to +.b MAXNAME ). +This macro is only available in header check rulesets. +.ip ${daemon_addr} +The IP address the daemon is listening on for connections. +.ip ${daemon_family} +The network family +if the daemon is accepting network connections. +Possible values include +.q inet , +.q inet6 , +.q iso , +.q ns , +.q x.25 +.ip ${daemon_flags} +The flags for the daemon as specified by the +Modifier= part of +.b DaemonPortOptions +whereby the flags are separated from each other by spaces, +and upper case flags are doubled. +That is, +Modifier=Ea +will be represented as +"EE a" in +.b ${daemon_flags} , +which is required for testing the flags in rulesets. +.ip ${daemon_info} +Some information about a daemon as a text string. +For example, +.q SMTP+queueing@00:30:00 . +.ip ${daemon_name} +The name of the daemon from +.b DaemonPortOptions +Name= suboption. +If this suboption is not set, +"Daemon#", +where # is the daemon number, +is used. +.ip ${daemon_port} +The port the daemon is accepting connection on. +Unless +.b DaemonPortOptions +is set, this will most likely be +.q 25 . +.ip ${deliveryMode} +The current delivery mode sendmail is using. +It is initially set to the value of the +.b DeliveryMode +option. +.ip ${envid} +The envelope id parameter (ENVID=) passed to sendmail as part of the envelope. +.ip ${hdrlen} +The length of the header value which is stored in +${currHeader} (before possible truncation). +If this value is greater than or equal to +.b MAXNAME +the header has been truncated. +.ip ${hdr_name} +The name of the header field for which the current header +check ruleset has been called. +This is useful for a default header check ruleset to get +the name of the header; +the macro is only available in header check rulesets. +.ip ${if_addr} +The IP address of the interface of an incoming connection +unless it is in the loopback net. +IPv6 addresses are tagged with "IPv6:" before the address. +.ip ${if_addr_out} +The IP address of the interface of an outgoing connection +unless it is in the loopback net. +IPv6 addresses are tagged with "IPv6:" before the address. +.ip ${if_family} +The IP family of the interface of an incoming connection +unless it is in the loopback net. +.ip ${if_family_out} +The IP family of the interface of an outgoing connection +unless it is in the loopback net. +.ip ${if_name} +The hostname associated with the interface of an incoming connection. +This macro can be used for +SmtpGreetingMessage and HReceived for virtual hosting. +For example: +.(b +O SmtpGreetingMessage=$?{if_name}${if_name}$|$j$. MTA +.)b +.ip ${if_name_out} +The name of the interface of an outgoing connection. +.ip ${load_avg} +The current load average. +.ip ${mail_addr} +The address part of the resolved triple of the address given for the +.sm "SMTP MAIL" +command. +Defined in the SMTP server only. +.ip ${mail_host} +The host from the resolved triple of the address given for the +.sm "SMTP MAIL" +command. +Defined in the SMTP server only. +.ip ${mail_mailer} +The mailer from the resolved triple of the address given for the +.sm "SMTP MAIL" +command. +Defined in the SMTP server only. +.ip ${msg_id} +The value of the Message-Id: header. +.ip ${msg_size} +The value of the SIZE= parameter, +i.e., usually the size of the message (in an ESMTP dialogue), +before the message has been collected, thereafter +the message size as computed by +.i sendmail +(and can be used in check_compat). +.ip ${nbadrcpts} +The number of bad recipients for a single message. +.ip ${nrcpts} +The number of validated recipients for a single message. +Note: since recipient validation happens after +.i check_rcpt +has been called, the value in this ruleset +is one less than what might be expected. +.ip ${ntries} +The number of delivery attempts. +.ip ${opMode} +The current operation mode (from the +.b \-b +flag). +.ip ${quarantine} +The quarantine reason for the envelope, +if it is quarantined. +.ip ${queue_interval} +The queue run interval given by the +.b \-q +flag. +For example, +.b \-q30m +would set +.b ${queue_interval} +to +.q 00:30:00 . +.ip ${rcpt_addr} +The address part of the resolved triple of the address given for the +.sm "SMTP RCPT" +command. +Defined in the SMTP server only after a RCPT command. +.ip ${rcpt_host} +The host from the resolved triple of the address given for the +.sm "SMTP RCPT" +command. +Defined in the SMTP server only after a RCPT command. +.ip ${rcpt_mailer} +The mailer from the resolved triple of the address given for the +.sm "SMTP RCPT" +command. +Defined in the SMTP server only after a RCPT command. +.ip ${server_addr} +The address of the server of the current outgoing SMTP connection. +For LMTP delivery the macro is set to the name of the mailer. +.ip ${server_name} +The name of the server of the current outgoing SMTP or LMTP connection. +.ip ${time} +The output of the +.i time (3) +function, i.e., the number of seconds since 0 hours, 0 minutes, +0 seconds, January 1, 1970, Coordinated Universal Time (UTC). +.ip ${tls_version} +The TLS/SSL version used for the connection, e.g., TLSv1, SSLv3, SSLv2; +defined after STARTTLS has been used. +.ip ${total_rate} +The total number of incoming connections over the time interval specified +by ConnectionRateWindowSize. +.ip ${verify} +The result of the verification of the presented cert; +only defined after STARTTLS has been used. +Possible values are: +.(b +.ta 13n +OK verification succeeded. +NO no cert presented. +NOT no cert requested. +FAIL cert presented but could not be verified, + e.g., the signing CA is missing. +NONE STARTTLS has not been performed. +TEMP temporary error occurred. +PROTOCOL some protocol error occurred. +SOFTWARE STARTTLS handshake failed, + which is a fatal error for this session, + the e-mail will be queued. +.)b +.pp +There are three types of dates that can be used. +The +.b $a +and +.b $b +macros are in RFC 822 format; +.b $a +is the time as extracted from the +.q Date: +line of the message +(if there was one), +and +.b $b +is the current date and time +(used for postmarks). +If no +.q Date: +line is found in the incoming message, +.b $a +is set to the current time also. +The +.b $d +macro is equivalent to the +.b $b +macro in UNIX +(ctime) +format. +.pp +The macros +.b $w , +.b $j , +and +.b $m +are set to the identity of this host. +.i Sendmail +tries to find the fully qualified name of the host +if at all possible; +it does this by calling +.i gethostname (2) +to get the current hostname +and then passing that to +.i gethostbyname (3) +which is supposed to return the canonical version of that host name.\** +.(f +\**For example, on some systems +.i gethostname +might return +.q foo +which would be mapped to +.q foo.bar.com +by +.i gethostbyname . +.)f +Assuming this is successful, +.b $j +is set to the fully qualified name +and +.b $m +is set to the domain part of the name +(everything after the first dot). +The +.b $w +macro is set to the first word +(everything before the first dot) +if you have a level 5 or higher configuration file; +otherwise, it is set to the same value as +.b $j . +If the canonification is not successful, +it is imperative that the config file set +.b $j +to the fully qualified domain name\**. +.(f +\**Older versions of sendmail didn't pre-define +.b $j +at all, so up until 8.6, +config files +.i always +had to define +.b $j . +.)f +.pp +The +.b $f +macro is the id of the sender +as originally determined; +when mailing to a specific host +the +.b $g +macro is set to the address of the sender +.ul +relative to the recipient. +For example, +if I send to +.q bollard@matisse.CS.Berkeley.EDU +from the machine +.q vangogh.CS.Berkeley.EDU +the +.b $f +macro will be +.q eric +and the +.b $g +macro will be +.q eric@vangogh.CS.Berkeley.EDU. +.pp +The +.b $x +macro is set to the full name of the sender. +This can be determined in several ways. +It can be passed as flag to +.i sendmail . +It can be defined in the +.sm NAME +environment variable. +The third choice is the value of the +.q Full-Name: +line in the header if it exists, +and the fourth choice is the comment field +of a +.q From: +line. +If all of these fail, +and if the message is being originated locally, +the full name is looked up in the +.i /etc/passwd +file. +.pp +When sending, +the +.b $h , +.b $u , +and +.b $z +macros get set to the host, user, and home directory +(if local) +of the recipient. +The first two are set from the +.b $@ +and +.b $: +part of the rewriting rules, respectively. +.pp +The +.b $p +and +.b $t +macros are used to create unique strings +(e.g., for the +.q Message-Id: +field). +The +.b $i +macro is set to the queue id on this host; +if put into the timestamp line +it can be extremely useful for tracking messages. +The +.b $v +macro is set to be the version number of +.i sendmail ; +this is normally put in timestamps +and has been proven extremely useful for debugging. +.pp +The +.b $c +field is set to the +.q "hop count," +i.e., the number of times this message has been processed. +This can be determined +by the +.b \-h +flag on the command line +or by counting the timestamps in the message. +.pp +The +.b $r +and +.b $s +fields are set to the protocol used to communicate with +.i sendmail +and the sending hostname. +They can be set together using the +.b \-p +command line flag or separately using the +.b \-M +or +.b \-oM +flags. +.pp +The +.b $_ +is set to a validated sender host name. +If the sender is running an RFC 1413 compliant IDENT server +and the receiver has the IDENT protocol turned on, +it will include the user name on that host. +.pp +The +.b ${client_name} , +.b ${client_addr} , +and +.b ${client_port} +macros +are set to the name, address, and port number of the SMTP client +who is invoking +.i sendmail +as a server. +These can be used in the +.i check_* +rulesets (using the +.b $& +deferred evaluation form, of course!). +.sh 2 "C and F \*- Define Classes" +.pp +Classes of phrases may be defined +to match on the left hand side of rewriting rules, +where a +.q phrase +is a sequence of characters that does not contain space characters. +For example +a class of all local names for this site +might be created +so that attempts to send to oneself +can be eliminated. +These can either be defined directly in the configuration file +or read in from another file. +Classes are named as a single letter or a word in {braces}. +Class names beginning with lower case letters +and special characters are reserved for system use. +Classes defined in config files may be given names +from the set of upper case letters for short names +or beginning with an upper case letter for long names. +.pp +The syntax is: +.(b F +.b C \c +.i c\|phrase1 +.i phrase2... +.br +.b F \c +.i c\|file +.br +.b F \c +.i c\||program +.br +.b F \c +.i c\|[mapkey]@mapclass:mapspec +.)b +The first form defines the class +.i c +to match any of the named words. +If +.i phrase1 +or +.i phrase2 +is another class, +e.g., +.i $=S , +the contents of class +.i S +are added to class +.i c . +It is permissible to split them among multiple lines; +for example, the two forms: +.(b +CHmonet ucbmonet +.)b +and +.(b +CHmonet +CHucbmonet +.)b +are equivalent. +The ``F'' forms +read the elements of the class +.i c +from the named +.i file , +.i program , +or +.i "map specification" . +Each element should be listed on a separate line. +To specify an optional file, use ``\-o'' between the class +name and the file name, e.g., +.(b +Fc \-o /path/to/file +.)b +If the file can't be used, +.i sendmail +will not complain but silently ignore it. +The map form should be an optional map key, an at sign, +and a map class followed by the specification for that map. +Examples include: +.(b +F{VirtHosts}@ldap:\-k (&(objectClass=virtHosts)(host=*)) \-v host +F{MyClass}foo@hash:/etc/mail/classes +.)b +will fill the class +.b $={VirtHosts} +from an LDAP map lookup and +.b $={MyClass} +from a hash database map lookup of the +.b foo . +There is also a built-in schema that can be accessed by only specifying: +.(b +F{\c +.i ClassName }@LDAP +.)b +This will tell sendmail to use the default schema: +.(b +\-k (&(objectClass=sendmailMTAClass) + (sendmailMTAClassName=\c +.i ClassName ) + (|(sendmailMTACluster=${sendmailMTACluster}) + (sendmailMTAHost=$j))) +\-v sendmailMTAClassValue +.)b +Note that the lookup is only done when sendmail is initially started. +.pp +Elements of classes can be accessed in rules using +.b $= +or +.b $~ . +The +.b $~ +(match entries not in class) +only matches a single word; +multi-word entries in the class are ignored in this context. +.pp +Some classes have internal meaning to +.i sendmail : +.nr ii 0.5i +.\".ip $=b +.\"A set of Content-Types that will not have the newline character +.\"translated to CR-LF before encoding into base64 MIME. +.\"The class can have major times +.\"(e.g., +.\".q image ) +.\"or full types +.\"(such as +.\".q application/octet-stream ). +.\"The class is initialized with +.\".q application/octet-stream , +.\".q image , +.\".q audio , +.\"and +.\".q video . +.ip $=e +contains the Content-Transfer-Encodings that can be 8\(->7 bit encoded. +It is predefined to contain +.q 7bit , +.q 8bit , +and +.q binary . +.ip $=k +set to be the same as +.b $k , +that is, the UUCP node name. +.ip $=m +set to the set of domains by which this host is known, +initially just +.b $m . +.ip $=n +can be set to the set of MIME body types +that can never be eight to seven bit encoded. +It defaults to +.q multipart/signed . +Message types +.q message/* +and +.q multipart/* +are never encoded directly. +Multipart messages are always handled recursively. +The handling of message/* messages +are controlled by class +.b $=s . +.ip $=q +A set of Content-Types that will never be encoded as base64 +(if they have to be encoded, they will be encoded as quoted-printable). +It can have primary types +(e.g., +.q text ) +or full types +(such as +.q text/plain ). +The class is initialized to have +.q text/plain +only. +.ip $=s +contains the set of subtypes of message that can be treated recursively. +By default it contains only +.q rfc822 . +Other +.q message/* +types cannot be 8\(->7 bit encoded. +If a message containing eight bit data is sent to a seven bit host, +and that message cannot be encoded into seven bits, +it will be stripped to 7 bits. +.ip $=t +set to the set of trusted users by the +.b T +configuration line. +If you want to read trusted users from a file, use +.b Ft \c +.i /file/name . +.ip $=w +set to be the set of all names +this host is known by. +This can be used to match local hostnames. +.ip $={persistentMacros} +set to the macros that should be saved across queue runs. +Care should be taken when adding macro names to this class. +.pp +.i Sendmail +can be compiled to allow a +.i scanf (3) +string on the +.b F +line. +This lets you do simplistic parsing of text files. +For example, to read all the user names in your system +.i /etc/passwd +file into a class, use +.(b +FL/etc/passwd %[^:] +.)b +which reads every line up to the first colon. +.sh 2 "M \*- Define Mailer" +.pp +Programs and interfaces to mailers +are defined in this line. +The format is: +.(b F +.b M \c +.i name , +{\c +.i field =\c +.i value \|}* +.)b +where +.i name +is the name of the mailer +(used internally only) +and the +.q field=name +pairs define attributes of the mailer. +Fields are: +.(b +.ta 1i +Path The pathname of the mailer +Flags Special flags for this mailer +Sender Rewriting set(s) for sender addresses +Recipient Rewriting set(s) for recipient addresses +recipients Maximum number of recipients per connection +Argv An argument vector to pass to this mailer +Eol The end-of-line string for this mailer +Maxsize The maximum message length to this mailer +maxmessages The maximum message deliveries per connection +Linelimit The maximum line length in the message body +Directory The working directory for the mailer +Userid The default user and group id to run as +Nice The nice(2) increment for the mailer +Charset The default character set for 8-bit characters +Type Type information for DSN diagnostics +Wait The maximum time to wait for the mailer +Queuegroup The default queue group for the mailer +/ The root directory for the mailer +.)b +Only the first character of the field name is checked +(it's case-sensitive). +.pp +The following flags may be set in the mailer description. +Any other flags may be used freely +to conditionally assign headers to messages +destined for particular mailers. +Flags marked with \(dg +are not interpreted by the +.i sendmail +binary; +these are the conventionally used to correlate to the flags portion +of the +.b H +line. +Flags marked with \(dd +apply to the mailers for the sender address +rather than the usual recipient mailers. +.nr ii 4n +.ip a +Run Extended SMTP (ESMTP) protocol (defined in RFCs 1869, 1652, and 1870). +This flag defaults on if the SMTP greeting message includes the word +.q ESMTP . +.ip A +Look up the user (address) part of the resolved mailer triple, +in the alias database. +Normally this is only set for local mailers. +.ip b +Force a blank line on the end of a message. +This is intended to work around some stupid versions of +/bin/mail +that require a blank line, but do not provide it themselves. +It would not normally be used on network mail. +.ip B +Strip leading backslashes (\e) off of the address; +this is a subset of the functionality of the +.b s +flag. +.ip c +Do not include comments in addresses. +This should only be used if you have to work around +a remote mailer that gets confused by comments. +This strips addresses of the form +.q "Phrase
" +or +.q "address (Comment)" +down to just +.q address . +.ip C\(dd +If mail is +.i received +from a mailer with this flag set, +any addresses in the header that do not have an at sign +(\c +.q @ ) +after being rewritten by ruleset three +will have the +.q @domain +clause from the sender envelope address +tacked on. +This allows mail with headers of the form: +.(b +From: usera@hosta +To: userb@hostb, userc +.)b +to be rewritten as: +.(b +From: usera@hosta +To: userb@hostb, userc@hosta +.)b +automatically. +However, it doesn't really work reliably. +.ip d +Do not include angle brackets around route-address syntax addresses. +This is useful on mailers that are going to pass addresses to a shell +that might interpret angle brackets as I/O redirection. +However, it does not protect against other shell metacharacters. +Therefore, passing addresses to a shell should not be considered secure. +.ip D\(dg +This mailer wants a +.q Date: +header line. +.ip e +This mailer is expensive to connect to, +so try to avoid connecting normally; +any necessary connection will occur during a queue run. +See also option +.b HoldExpensive . +.ip E +Escape lines beginning with +.q From\0 +in the message with a `>' sign. +.ip f +The mailer wants a +.b \-f +.i from +flag, +but only if this is a network forward operation +(i.e., +the mailer will give an error +if the executing user +does not have special permissions). +.ip F\(dg +This mailer wants a +.q From: +header line. +.ip g +Normally, +.i sendmail +sends internally generated email (e.g., error messages) +using the null return address +as required by RFC 1123. +However, some mailers don't accept a null return address. +If necessary, +you can set the +.b g +flag to prevent +.i sendmail +from obeying the standards; +error messages will be sent as from the MAILER-DAEMON +(actually, the value of the +.b $n +macro). +.ip h +Upper case should be preserved in host names +(the $@ portion of the mailer triplet resolved from ruleset 0) +for this mailer. +.ip i +Do User Database rewriting on envelope sender address. +.ip I +This mailer will be speaking SMTP +to another +.i sendmail +\*- +as such it can use special protocol features. +This flag should not be used except for debugging purposes +because it uses +.b VERB +as SMTP command. +.ip j +Do User Database rewriting on recipients as well as senders. +.ip k +Normally when +.i sendmail +connects to a host via SMTP, +it checks to make sure that this isn't accidently the same host name +as might happen if +.i sendmail +is misconfigured or if a long-haul network interface is set in loopback mode. +This flag disables the loopback check. +It should only be used under very unusual circumstances. +.ip K +Currently unimplemented. +Reserved for chunking. +.ip l +This mailer is local +(i.e., +final delivery will be performed). +.ip L +Limit the line lengths as specified in RFC 821. +This deprecated option should be replaced by the +.b L= +mail declaration. +For historic reasons, the +.b L +flag also sets the +.b 7 +flag. +.ip m +This mailer can send to multiple users +on the same host +in one transaction. +When a +.b $u +macro occurs in the +.i argv +part of the mailer definition, +that field will be repeated as necessary +for all qualifying users. +Removing this flag can defeat duplicate supression on a remote site +as each recipient is sent in a separate transaction. +.ip M\(dg +This mailer wants a +.q Message-Id: +header line. +.ip n +Do not insert a UNIX-style +.q From +line on the front of the message. +.ip o +Always run as the owner of the recipient mailbox. +Normally +.i sendmail +runs as the sender for locally generated mail +or as +.q daemon +(actually, the user specified in the +.b u +option) +when delivering network mail. +The normal behavior is required by most local mailers, +which will not allow the envelope sender address +to be set unless the mailer is running as daemon. +This flag is ignored if the +.b S +flag is set. +.ip p +Use the route-addr style reverse-path in the SMTP +.q "MAIL FROM:" +command +rather than just the return address; +although this is required in RFC 821 section 3.1, +many hosts do not process reverse-paths properly. +Reverse-paths are officially discouraged by RFC 1123. +.ip P\(dg +This mailer wants a +.q Return-Path: +line. +.ip q +When an address that resolves to this mailer is verified +(SMTP VRFY command), +generate 250 responses instead of 252 responses. +This will imply that the address is local. +.ip r +Same as +.b f , +but sends a +.b \-r +flag. +.ip R +Open SMTP connections from a +.q secure +port. +Secure ports aren't +(secure, that is) +except on UNIX machines, +so it is unclear that this adds anything. +.i sendmail +must be running as root to be able to use this flag. +.ip s +Strip quote characters (" and \e) off of the address +before calling the mailer. +.ip S +Don't reset the userid +before calling the mailer. +This would be used in a secure environment +where +.i sendmail +ran as root. +This could be used to avoid forged addresses. +If the +.b U= +field is also specified, +this flag causes the effective user id to be set to that user. +.ip u +Upper case should be preserved in user names for this mailer. Standards +require preservation of case in the local part of addresses, except for +those address for which your system accepts responsibility. +RFC 2142 provides a long list of addresses which should be case +insensitive. +If you use this flag, you may be violating RFC 2142. +Note that postmaster is always treated as a case insensitive address +regardless of this flag. +.ip U +This mailer wants UUCP-style +.q From +lines with the ugly +.q "remote from " +on the end. +.ip w +The user must have a valid account on this machine, +i.e., +.i getpwnam +must succeed. +If not, the mail is bounced. +See also the +.b MailBoxDatabase +option. +This is required to get +.q \&.forward +capability. +.ip W +Ignore long term host status information (see Section +"Persistent Host Status Information"). +.ip x\(dg +This mailer wants a +.q Full-Name: +header line. +.ip X +This mailer wants to use the hidden dot algorithm as specified in RFC 821; +basically, any line beginning with a dot will have an extra dot prepended +(to be stripped at the other end). +This insures that lines in the message containing a dot +will not terminate the message prematurely. +.ip z +Run Local Mail Transfer Protocol (LMTP) +between +.i sendmail +and the local mailer. +This is a variant on SMTP +defined in RFC 2033 +that is specifically designed for delivery to a local mailbox. +.ip Z +Apply DialDelay (if set) to this mailer. +.ip 0 +Don't look up MX records for hosts sent via SMTP/LMTP. +Do not apply +.b FallbackMXhost +either. +.ip 1 +Don't send null characters ('\\0') to this mailer. +.ip 2 +Don't use ESMTP even if offered; this is useful for broken +systems that offer ESMTP but fail on EHLO (without recovering +when HELO is tried next). +.ip 3 +Extend the list of characters converted to =XX notation +when converting to Quoted-Printable +to include those that don't map cleanly between ASCII and EBCDIC. +Useful if you have IBM mainframes on site. +.ip 5 +If no aliases are found for this address, +pass the address through ruleset 5 for possible alternate resolution. +This is intended to forward the mail to an alternate delivery spot. +.ip 6 +Strip headers to seven bits. +.ip 7 +Strip all output to seven bits. +This is the default if the +.b L +flag is set. +Note that clearing this option is not +sufficient to get full eight bit data passed through +.i sendmail . +If the +.b 7 +option is set, this is essentially always set, +since the eighth bit was stripped on input. +Note that this option will only impact messages +that didn't have 8\(->7 bit MIME conversions performed. +.ip 8 +If set, +it is acceptable to send eight bit data to this mailer; +the usual attempt to do 8\(->7 bit MIME conversions will be bypassed. +.ip 9 +If set, +do +.i limited +7\(->8 bit MIME conversions. +These conversions are limited to text/plain data. +.ip : +Check addresses to see if they begin +.q :include: ; +if they do, convert them to the +.q *include* +mailer. +.ip | +Check addresses to see if they begin with a `|'; +if they do, convert them to the +.q prog +mailer. +.ip / +Check addresses to see if they begin with a `/'; +if they do, convert them to the +.q *file* +mailer. +.ip @ +Look up addresses in the user database. +.ip % +Do not attempt delivery on initial recipient of a message +or on queue runs +unless the queued message is selected +using one of the -qI/-qR/-qS queue run modifiers +or an ETRN request. +.pp +Configuration files prior to level 6 +assume the `A', `w', `5', `:', `|', `/', and `@' options +on the mailer named +.q local . +.pp +The mailer with the special name +.q error +can be used to generate a user error. +The (optional) host field is an exit status to be returned, +and the user field is a message to be printed. +The exit status may be numeric or one of the values +USAGE, NOUSER, NOHOST, UNAVAILABLE, SOFTWARE, TEMPFAIL, PROTOCOL, or CONFIG +to return the corresponding EX_ exit code, +or an enhanced error code as described in RFC 1893, +.ul +Enhanced Mail System Status Codes. +For example, the entry: +.(b +$#error $@ NOHOST $: Host unknown in this domain +.)b +on the RHS of a rule +will cause the specified error to be generated +and the +.q "Host unknown" +exit status to be returned +if the LHS matches. +This mailer is only functional in rulesets 0, 5, +or one of the check_* rulesets. +The host field can also contain the special token +.b quarantine +which instructs sendmail to quarantine the current message. +.pp +The mailer with the special name +.q discard +causes any mail sent to it to be discarded +but otherwise treated as though it were successfully delivered. +This mailer cannot be used in ruleset 0, +only in the various address checking rulesets. +.pp +The mailer named +.q local +.i must +be defined in every configuration file. +This is used to deliver local mail, +and is treated specially in several ways. +Additionally, three other mailers named +.q prog , +.q *file* , +and +.q *include* +may be defined to tune the delivery of messages to programs, +files, +and :include: lists respectively. +They default to: +.(b +Mprog, P=/bin/sh, F=lsoDq9, T=DNS/RFC822/X-Unix, A=sh \-c $u +M*file*, P=[FILE], F=lsDFMPEouq9, T=DNS/RFC822/X-Unix, A=FILE $u +M*include*, P=/dev/null, F=su, A=INCLUDE $u +.)b +.pp +Builtin pathnames are [FILE] and [IPC], the former is used for +delivery to files, the latter for delivery via interprocess communication. +For mailers that use [IPC] as pathname the argument vector (A=) +must start with TCP or FILE for delivery via a TCP or a Unix domain socket. +If TCP is used, the second argument must be the name of the host +to contact. +Optionally a third argument can be used to specify a port, +the default is smtp (port 25). +If FILE is used, the second argument must be the name of +the Unix domain socket. +.pp +If the argument vector does not contain $u then +.i sendmail +will speak SMTP (or LMTP if the mailer flag z is specified) to the mailer. +.pp +If no Eol field is defined, then the default is "\\r\\n" for +SMTP mailers and "\\n" of others. +.pp +The Sender and Recipient rewriting sets +may either be a simple ruleset id +or may be two ids separated by a slash; +if so, the first rewriting set is applied to envelope +addresses +and the second is applied to headers. +Setting any value to zero disables corresponding mailer-specific rewriting. +.pp +The Directory +is actually a colon-separated path of directories to try. +For example, the definition +.q D=$z:/ +first tries to execute in the recipient's home directory; +if that is not available, +it tries to execute in the root of the filesystem. +This is intended to be used only on the +.q prog +mailer, +since some shells (such as +.i csh ) +refuse to execute if they cannot read the current directory. +Since the queue directory is not normally readable by unprivileged users +.i csh +scripts as recipients can fail. +.pp +The Userid +specifies the default user and group id to run as, +overriding the +.b DefaultUser +option (q.v.). +If the +.b S +mailer flag is also specified, +this user and group will be set as the +effective uid and gid for the process. +This may be given as +.i user:group +to set both the user and group id; +either may be an integer or a symbolic name to be looked up +in the +.i passwd +and +.i group +files respectively. +If only a symbolic user name is specified, +the group id in the +.i passwd +file for that user is used as the group id. +.pp +The Charset field +is used when converting a message to MIME; +this is the character set used in the +Content-Type: header. +If this is not set, the +.b DefaultCharset +option is used, +and if that is not set, the value +.q unknown-8bit +is used. +.b WARNING: +this field applies to the sender's mailer, +not the recipient's mailer. +For example, if the envelope sender address +lists an address on the local network +and the recipient is on an external network, +the character set will be set from the Charset= field +for the local network mailer, +not that of the external network mailer. +.pp +The Type= field +sets the type information +used in MIME error messages +as defined by +RFC 1894. +It is actually three values separated by slashes: +the MTA-type (that is, the description of how hosts are named), +the address type (the description of e-mail addresses), +and the diagnostic type (the description of error diagnostic codes). +Each of these must be a registered value +or begin with +.q X\- . +The default is +.q dns/rfc822/smtp . +.pp +The m= field specifies the maximum number of messages +to attempt to deliver on a single SMTP or LMTP connection. +The default is infinite. +.pp +The r= field specifies the maximum number of recipients +to attempt to deliver in a single envelope. +It defaults to 100. +.pp +The /= field specifies a new root directory for the mailer. The path is +macro expanded and then passed to the +.q chroot +system call. The root directory is changed before the Directory field is +consulted or the uid is changed. +.pp +The Wait= field specifies the maximum time to wait for the +mailer to return after sending all data to it. +This applies to mailers that have been forked by +.i sendmail . +.pp +The Queuegroup= field specifies the default queue group in which +received mail should be queued. +This can be overridden by other means as explained in section +``Queue Groups and Queue Directories''. +.sh 2 "H \*- Define Header" +.pp +The format of the header lines that +.i sendmail +inserts into the message +are defined by the +.b H +line. +The syntax of this line is one of the following: +.(b F +.b H \c +.i hname \c +.b : +.i htemplate +.)b +.(b F +.b H [\c +.b ? \c +.i mflags \c +.b ? \c +.b ]\c +.i hname \c +.b : +.i htemplate +.)b +.(b F +.b H [\c +.b ?$ \c +.i {macro} \c +.b ? \c +.b ]\c +.i hname \c +.b : +.i htemplate +.)b +Continuation lines in this spec +are reflected directly into the outgoing message. +The +.i htemplate +is macro-expanded before insertion into the message. +If the +.i mflags +(surrounded by question marks) +are specified, +at least one of the specified flags +must be stated in the mailer definition +for this header to be automatically output. +If a +.i ${macro} +(surrounded by question marks) +is specified, +the header will be automatically output +if the macro is set. +The macro may be set using any of the normal methods, +including using the +.b macro +storage map in a ruleset. +If one of these headers is in the input +it is reflected to the output +regardless of these flags or macros. +Notice: +If a +.i ${macro} +is used to set a header, then it is useful to add that macro to class +.i $={persistentMacros} +which consists of the macros that should be saved across queue runs. +.pp +Some headers have special semantics +that will be described later. +.pp +A secondary syntax allows validation of headers as they are being read. +To enable validation, use: +.(b +.b H \c +.i Header \c +.b ": $>" \c +.i Ruleset +.b H \c +.i Header \c +.b ": $>+" \c +.i Ruleset +.)b +The indicated +.i Ruleset +is called for the specified +.i Header , +and can return +.b $#error +to reject or quarantine the message or +.b $#discard +to discard the message +(as with the other +.b check_ * +rulesets). +The ruleset receives the header field-body as argument, +i.e., not the header field-name; see also +${hdr_name} and ${currHeader}. +The header is treated as a structured field, +that is, +text in parentheses is deleted before processing, +unless the second form +.b $>+ +is used. +Note: only one ruleset can be associated with a header; +.i sendmail +will silently ignore multiple entries. +.pp +For example, the configuration lines: +.(b +HMessage-Id: $>CheckMessageId + +SCheckMessageId +R< $+ @ $+ > $@ OK +R$* $#error $: Illegal Message-Id header +.)b +would refuse any message that had a Message-Id: header of any of the +following forms: +.(b +Message-Id: <> +Message-Id: some text +Message-Id: extra crud +.)b +A default ruleset that is called for headers which don't have a +specific ruleset defined for them can be specified by: +.(b +.b H \c +.i * \c +.b ": $>" \c +.i Ruleset +.)b +or +.(b +.b H \c +.i * \c +.b ": $>+" \c +.i Ruleset +.)b +.sh 2 "O \*- Set Option" +.pp +There are a number of global options that +can be set from a configuration file. +Options are represented by full words; +some are also representable as single characters for back compatibility. +The syntax of this line is: +.(b F +.b O \0 +.i option \c +.b = \c +.i value +.)b +This sets option +.i option +to be +.i value . +Note that there +.i must +be a space between the letter `O' and the name of the option. +An older version is: +.(b F +.b O \c +.i o\|value +.)b +where the option +.i o +is a single character. +Depending on the option, +.i value +may be a string, an integer, +a boolean +(with legal values +.q t , +.q T , +.q f , +or +.q F ; +the default is TRUE), +or +a time interval. +.pp +All filenames used in options should be absolute paths, +i.e., starting with '/'. +Relative filenames most likely cause surprises during operation +(unless otherwise noted). +.pp +The options supported (with the old, one character names in brackets) are: +.nr ii 1i +.ip "AliasFile=\fIspec, spec, ...\fP" +[A] +Specify possible alias file(s). +Each +.i spec +should be in the format +``\c +.i class \c +.b : +.i info '' +where +.i class \c +.b : +is optional and defaults to ``implicit''. +Note that +.i info +is required for all +.i class es +except +.q ldap . +For the +.q ldap +class, +if +.i info +is not specified, +a default +.i info +value is used as follows: +.(b +\-k (&(objectClass=sendmailMTAAliasObject) + (sendmailMTAAliasName=aliases) + (|(sendmailMTACluster=${sendmailMTACluster}) + (sendmailMTAHost=$j)) + (sendmailMTAKey=%0)) +\-v sendmailMTAAliasValue +.)b +Depending on how +.i sendmail +is compiled, valid classes are +.q implicit +(search through a compiled-in list of alias file types, +for back compatibility), +.q hash +(if +.sm NEWDB +is specified), +.q btree +(if +.sm NEWDB +is specified), +.q dbm +(if +.sm NDBM +is specified), +.q stab +(internal symbol table \*- not normally used +unless you have no other database lookup), +.q sequence +(use a sequence of maps +previously declared), +.q ldap +(if +.sm LDAPMAP +is specified), +or +.q nis +(if +.sm NIS +is specified). +If a list of +.i spec s +are provided, +.i sendmail +searches them in order. +.ip AliasWait=\fItimeout\fP +[a] +If set, +wait up to +.i timeout +(units default to minutes) +for an +.q @:@ +entry to exist in the alias database +before starting up. +If it does not appear in the +.i timeout +interval issue a warning. +.ip AllowBogusHELO +[no short name] +If set, allow HELO SMTP commands that don't include a host name. +Setting this violates RFC 1123 section 5.2.5, +but is necessary to interoperate with several SMTP clients. +If there is a value, it is still checked for legitimacy. +.ip AuthMaxBits=\fIN\fP +[no short name] +Limit the maximum encryption strength for the security layer in +SMTP AUTH (SASL). Default is essentially unlimited. +This allows to turn off additional encryption in SASL if +STARTTLS is already encrypting the communication, because the +existing encryption strength is taken into account when choosing +an algorithm for the security layer. +For example, if STARTTLS is used and the symmetric cipher is 3DES, +then the the keylength (in bits) is 168. +Hence setting +.b AuthMaxBits +to 168 will disable any encryption in SASL. +.ip AuthMechanisms +[no short name] +List of authentication mechanisms for AUTH (separated by spaces). +The advertised list of authentication mechanisms will be the +intersection of this list and the list of available mechanisms as +determined by the Cyrus SASL library. +If STARTTLS is active, EXTERNAL will be added to this list. +In that case, the value of {cert_subject} is used as authentication id. +.ip AuthOptions +[no short name] +List of options for SMTP AUTH consisting of single characters +with intervening white space or commas. +.(b +.ta 4n +A Use the AUTH= parameter for the MAIL FROM + command only when authentication succeeded. + This can be used as a workaround for broken + MTAs that do not implement RFC 2554 correctly. +a protection from active (non-dictionary) attacks + during authentication exchange. +c require mechanisms which pass client credentials, + and allow mechanisms which can pass credentials + to do so. +d don't permit mechanisms susceptible to passive + dictionary attack. +f require forward secrecy between sessions + (breaking one won't help break next). +m require mechanisms which provide mutual authentication + (only available if using Cyrus SASL v2 or later). +p don't permit mechanisms susceptible to simple + passive attack (e.g., PLAIN, LOGIN), unless a + security layer is active. +y don't permit mechanisms that allow anonymous login. +.)b +The first option applies to sendmail as a client, the others to a server. +Example: +.(b +O AuthOptions=p,y +.)b +would disallow ANONYMOUS as AUTH mechanism and would +allow PLAIN and LOGIN only if a security layer (e.g., +provided by STARTTLS) is already active. +The options 'a', 'c', 'd', 'f', 'p', and 'y' refer to properties of the +selected SASL mechanisms. +Explanations of these properties can be found in the Cyrus SASL documentation. +.ip AuthRealm +[no short name] +The authentication realm that is passed to the Cyrus SASL library. +If no realm is specified, +.b $j +is used. +.ip BadRcptThrottle=\fIN\fP +[no short name] +If set and the specified number of recipients in a single SMTP +transaction have been rejected, sleep for one second after each subsequent +RCPT command in that transaction. +.ip BlankSub=\fIc\fP +[B] +Set the blank substitution character to +.i c . +Unquoted spaces in addresses are replaced by this character. +Defaults to space (i.e., no change is made). +.ip CACertPath +[no short name] +Path to directory with certificates of CAs. +This directory directory must contain the hashes of each CA certificate +as filenames (or as links to them). +.ip CACertFile +[no short name] +File containing one or more CA certificates; +see section about STARTTLS for more information. +.ip CheckAliases +[n] +Validate the RHS of aliases when rebuilding the alias database. +.ip CheckpointInterval=\fIN\fP +[C] +Checkpoints the queue every +.i N +(default 10) +addresses sent. +If your system crashes during delivery to a large list, +this prevents retransmission to any but the last +.i N +recipients. +.ip ClassFactor=\fIfact\fP +[z] +The indicated +.i fact or +is multiplied by the message class +(determined by the Precedence: field in the user header +and the +.b P +lines in the configuration file) +and subtracted from the priority. +Thus, messages with a higher Priority: will be favored. +Defaults to 1800. +.ip ClientCertFile +[no short name] +File containing the certificate of the client, i.e., this certificate +is used when +.i sendmail +acts as client (for STARTTLS). +.ip ClientKeyFile +[no short name] +File containing the private key belonging to the client certificate +(for STARTTLS if +.i sendmail +runs as client). +.ip ClientPortOptions=\fIoptions\fP +[O] +Set client SMTP options. +The options are +.i key=value +pairs separated by commas. +Known keys are: +.(b +.ta 1i +Port Name/number of source port for connection (defaults to any free port) +Addr Address mask (defaults INADDR_ANY) +Family Address family (defaults to INET) +SndBufSize Size of TCP send buffer +RcvBufSize Size of TCP receive buffer +Modifier Options (flags) for the client +.)b +The +.i Addr ess +mask may be a numeric address in dot notation +or a network name. +.i Modifier +can be the following character: +.(b +.ta 1i +h use name of interface for HELO command +A don't use AUTH when sending e-mail +S don't use STARTTLS when sending e-mail +.)b +If ``h'' is set, the name corresponding to the outgoing interface +address (whether chosen via the Connection parameter or +the default) is used for the HELO/EHLO command. +However, the name must not start with a square bracket +and it must contain at least one dot. +This is a simple test whether the name is not +an IP address (in square brackets) but a qualified hostname. +Note that multiple ClientPortOptions settings are allowed +in order to give settings for each protocol family +(e.g., one for Family=inet and one for Family=inet6). +A restriction placed on one family only affects +outgoing connections on that particular family. +.ip ColonOkInAddr +[no short name] +If set, colons are acceptable in e-mail addresses +(e.g., +.q host:user ). +If not set, colons indicate the beginning of a RFC 822 group construct +(\c +.q "groupname: member1, member2, ... memberN;" ). +Doubled colons are always acceptable +(\c +.q nodename::user ) +and proper route-addr nesting is understood +(\c +.q <@relay:user@host> ). +Furthermore, this option defaults on if the configuration version level +is less than 6 (for back compatibility). +However, it must be off for full compatibility with RFC 822. +.ip ConnectionCacheSize=\fIN\fP +[k] +The maximum number of open connections that will be cached at a time. +The default is one. +This delays closing the current connection until +either this invocation of +.i sendmail +needs to connect to another host +or it terminates. +Setting it to zero defaults to the old behavior, +that is, connections are closed immediately. +Since this consumes file descriptors, +the connection cache should be kept small: +4 is probably a practical maximum. +.ip ConnectionCacheTimeout=\fItimeout\fP +[K] +The maximum amount of time a cached connection will be permitted to idle +without activity. +If this time is exceeded, +the connection is immediately closed. +This value should be small (on the order of ten minutes). +Before +.i sendmail +uses a cached connection, +it always sends a RSET command +to check the connection; +if this fails, it reopens the connection. +This keeps your end from failing if the other end times out. +The point of this option is to be a good network neighbor +and avoid using up excessive resources +on the other end. +The default is five minutes. +.ip ConnectOnlyTo=\fIaddress\fP +[no short name] +This can be used to +override the connection address (for testing purposes). +.ip ConnectionRateThrottle=\fIN\fP +[no short name] +If set to a positive value, +allow no more than +.i N +incoming connections in a one second period per daemon. +This is intended to flatten out peaks +and allow the load average checking to cut in. +Defaults to zero (no limits). +.ip ConnectionRateWindowSize=\fIN\fP +[no short name] +Define the length of the interval for which +the number of incoming connections is maintained. +The default is 60 seconds. +.ip ControlSocketName=\fIname\fP +[no short name] +Name of the control socket for daemon management. +A running +.i sendmail +daemon can be controlled through this named socket. +Available commands are: +.i help, +.i restart, +.i shutdown, +and +.i status. +The +.i status +command returns the current number of daemon children, +the maximum number of daemon children, +the free disk space (in blocks) of the queue directory, +and the load average of the machine expressed as an integer. +If not set, no control socket will be available. +Solaris and pre-4.4BSD kernel users should see the note in sendmail/README . +.ip CRLFile=\fIname\fP +[no short name] +Name of file that contains certificate +revocation status, useful for X.509v3 authentication. +CRL checking requires at least OpenSSL version 0.9.7. +Note: if a CRLFile is specified but the file is unusable, +STARTTLS is disabled. +.ip DHParameters +File with DH parameters for STARTTLS. +This is only required if a ciphersuite containing DSA/DH is used. +This is only for people with a good knowledge of TLS, all others +can ignore this option. +.ip DaemonPortOptions=\fIoptions\fP +[O] +Set server SMTP options. +Each instance of +.b DaemonPortOptions +leads to an additional incoming socket. +The options are +.i key=value +pairs. +Known keys are: +.(b +.ta 1i +Name User-definable name for the daemon (defaults to "Daemon#") +Port Name/number of listening port (defaults to "smtp") +Addr Address mask (defaults INADDR_ANY) +Family Address family (defaults to INET) +InputMailFilters List of input mail filters for the daemon +Listen Size of listen queue (defaults to 10) +Modifier Options (flags) for the daemon +SndBufSize Size of TCP send buffer +RcvBufSize Size of TCP receive buffer +.)b +The +.i Name +key is used for error messages and logging. +The +.i Addr ess +mask may be a numeric address in dot notation +or a network name. +The +.i Family +key defaults to INET (IPv4). +IPv6 users who wish to also accept IPv6 connections +should add additional Family=inet6 +.b DaemonPortOptions +lines. +The +.i InputMailFilters +key overrides the default list of input mail filters listed in the +.b InputMailFilters +option. +If multiple input mail filters are required, they must be separated +by semicolons (not commas). +.i Modifier +can be a sequence (without any delimiters) +of the following characters: +.(b +.ta 1i +a always require authentication +b bind to interface through which mail has been received +c perform hostname canonification (.cf) +f require fully qualified hostname (.cf) +s Run smtps (SMTP over SSL) instead of smtp +u allow unqualified addresses (.cf) +A disable AUTH (overrides 'a' modifier) +C don't perform hostname canonification +E disallow ETRN (see RFC 2476) +O optional; if opening the socket fails ignore it +S don't offer STARTTLS +.)b +That is, one way to specify a message submission agent (MSA) that +always requires authentication is: +.(b +O DaemonPortOptions=Name=MSA, Port=587, M=Ea +.)b +The modifiers that are marked with "(.cf)" have only +effect in the standard configuration file, in which +they are available via +.b ${daemon_flags} . +Notice: Do +.b not +use the ``a'' modifier on a public accessible MTA! +It should only be used for a MSA that is accessed by authorized +users for initial mail submission. +Users must authenticate to use a MSA which has this option turned on. +The flags ``c'' and ``C'' can change the default for +hostname canonification in the +.i sendmail.cf +file. +See the relevant documentation for +.sm FEATURE(nocanonify) . +The modifier ``f'' disallows addresses of the form +.b user@host +unless they are submitted directly. +The flag ``u'' allows unqualified sender addresses, +i.e., those without @host. +``b'' forces sendmail to bind to the interface +through which the e-mail has been +received for the outgoing connection. +.b WARNING: +Use ``b'' +only if outgoing mail can be routed through the incoming connection's +interface to its destination. No attempt is made to catch problems due to a +misconfiguration of this parameter, use it only for virtual hosting +where each virtual interface can connect to every possible location. +This will also override possible settings via +.b ClientPortOptions. +Note, +.i sendmail +will listen on a new socket +for each occurence of the +.b DaemonPortOptions +option in a configuration file. +The modifier ``O'' causes sendmail to ignore a socket +if it can't be opened. +This applies to failures from the socket(2) and bind(2) calls. +.ip DefaultAuthInfo +[no short name] +Filename that contains default authentication information for outgoing +connections. This file must contain the user id, the authorization id, +the password (plain text), the realm and the list of mechanisms to use +on separate lines and must be readable by +root (or the trusted user) only. +If no realm is specified, +.b $j +is used. +If no mechanisms are specified, the list given by +.b AuthMechanisms +is used. +Notice: this option is deprecated and will be removed in future versions. +Moreover, it doesn't work for the MSP since it can't read the file +(the file must not be group/world-readable otherwise +.i sendmail +will complain). +Use the authinfo ruleset instead which provides more control over +the usage of the data anyway. +.ip DefaultCharSet=\fIcharset\fP +[no short name] +When a message that has 8-bit characters but is not in MIME format +is converted to MIME +(see the EightBitMode option) +a character set must be included in the Content-Type: header. +This character set is normally set from the Charset= field +of the mailer descriptor. +If that is not set, the value of this option is used. +If this option is not set, the value +.q unknown-8bit +is used. +.ip DataFileBufferSize=\fIthreshold\fP +[no short name] +Set the +.i threshold , +in bytes, +before a memory-based +queue data file +becomes disk-based. +The default is 4096 bytes. +.ip DeadLetterDrop=\fIfile\fP +[no short name] +Defines the location of the system-wide dead.letter file, +formerly hardcoded to /usr/tmp/dead.letter. +If this option is not set (the default), +sendmail will not attempt to save to a system-wide dead.letter file +in the event +it cannot bounce the mail to the user or postmaster. +Instead, it will rename the qf file +as it has in the past +when the dead.letter file could not be opened. +.ip DefaultUser=\fIuser:group\fP +[u] +Set the default userid for mailers to +.i user:group . +If +.i group +is omitted and +.i user +is a user name +(as opposed to a numeric user id) +the default group listed in the /etc/passwd file for that user is used +as the default group. +Both +.i user +and +.i group +may be numeric. +Mailers without the +.i S +flag in the mailer definition +will run as this user. +Defaults to 1:1. +The value can also be given as a symbolic user name.\** +.(f +\**The old +.b g +option has been combined into the +.b DefaultUser +option. +.)f +.ip DelayLA=\fILA\fP +[no short name] +When the system load average exceeds +.i LA , +.i sendmail +will sleep for one second on most SMTP commands and +before accepting connections. +.ip DeliverByMin=\fItime\fP +[0] +Set minimum time for Deliver By SMTP Service Extension (RFC 2852). +If 0, no time is listed, if less than 0, the extension is not offered, +if greater than 0, it is listed as minimum time +for the EHLO keyword DELIVERBY. +.ip DeliveryMode=\fIx\fP +[d] +Deliver in mode +.i x . +Legal modes are: +.(b +.ta 4n +i Deliver interactively (synchronously) +b Deliver in background (asynchronously) +q Just queue the message (deliver during queue run) +d Defer delivery and all map lookups (deliver during queue run) +.)b +Defaults to ``b'' if no option is specified, +``i'' if it is specified but given no argument +(i.e., ``Od'' is equivalent to ``Odi''). +The +.b \-v +command line flag sets this to +.b i . +.ip DialDelay=\fIsleeptime\fP +[no short name] +Dial-on-demand network connections can see timeouts +if a connection is opened before the call is set up. +If this is set to an interval and a connection times out +on the first connection being attempted +.i sendmail +will sleep for this amount of time and try again. +This should give your system time to establish the connection +to your service provider. +Units default to seconds, so +.q DialDelay=5 +uses a five second delay. +Defaults to zero +(no retry). +This delay only applies to mailers which have the +Z flag set. +.ip DirectSubmissionModifiers=\fImodifiers\fP +Defines +.b ${daemon_flags} +for direct (command line) submissions. +If not set, +.b ${daemon_flags} +is either "CC f" if the option +.b \-G +is used or "c u" otherwise. +Note that only the the "CC", "c", "f", and "u" flags are checked. +.ip DontBlameSendmail=\fIoption,option,...\fP +[no short name] +In order to avoid possible cracking attempts +caused by world- and group-writable files and directories, +.i sendmail +does paranoid checking when opening most of its support files. +If for some reason you absolutely must run with, +for example, +a group-writable +.i /etc +directory, +then you will have to turn off this checking +(at the cost of making your system more vulnerable to attack). +The possible arguments have been described earlier. +The details of these flags are described above. +.\"XXX should have more here!!! XXX +.b "Use of this option is not recommended." +.ip DontExpandCnames +[no short name] +The standards say that all host addresses used in a mail message +must be fully canonical. +For example, if your host is named +.q Cruft.Foo.ORG +and also has an alias of +.q FTP.Foo.ORG , +the former name must be used at all times. +This is enforced during host name canonification +($[ ... $] lookups). +If this option is set, the protocols are ignored and the +.q wrong +thing is done. +However, the IETF is moving toward changing this standard, +so the behavior may become acceptable. +Please note that hosts downstream may still rewrite the address +to be the true canonical name however. +.ip DontInitGroups +[no short name] +If set, +.i sendmail +will avoid using the initgroups(3) call. +If you are running NIS, +this causes a sequential scan of the groups.byname map, +which can cause your NIS server to be badly overloaded in a large domain. +The cost of this is that the only group found for users +will be their primary group (the one in the password file), +which will make file access permissions somewhat more restrictive. +Has no effect on systems that don't have group lists. +.ip DontProbeInterfaces +[no short name] +.i Sendmail +normally finds the names of all interfaces active on your machine +when it starts up +and adds their name to the +.b $=w +class of known host aliases. +If you have a large number of virtual interfaces +or if your DNS inverse lookups are slow +this can be time consuming. +This option turns off that probing. +However, you will need to be certain to include all variant names +in the +.b $=w +class by some other mechanism. +If set to +.b loopback , +loopback interfaces (e.g., lo0) will not be probed. +.ip DontPruneRoutes +[R] +Normally, +.i sendmail +tries to eliminate any unnecessary explicit routes +when sending an error message +(as discussed in RFC 1123 \(sc 5.2.6). +For example, +when sending an error message to +.(b +<@known1,@known2,@known3:user@unknown> +.)b +.i sendmail +will strip off the +.q @known1,@known2 +in order to make the route as direct as possible. +However, if the +.b R +option is set, this will be disabled, +and the mail will be sent to the first address in the route, +even if later addresses are known. +This may be useful if you are caught behind a firewall. +.ip DoubleBounceAddress=\fIerror-address\fP +[no short name] +If an error occurs when sending an error message, +send the error report +(termed a +.q "double bounce" +because it is an error +.q bounce +that occurs when trying to send another error +.q bounce ) +to the indicated address. +The address is macro expanded +at the time of delivery. +If not set, defaults to +.q postmaster . +If set to an empty string, double bounces are dropped. +.ip EightBitMode=\fIaction\fP +[8] +Set handling of eight-bit data. +There are two kinds of eight-bit data: +that declared as such using the +.b BODY=8BITMIME +ESMTP declaration or the +.b \-B8BITMIME +command line flag, +and undeclared 8-bit data, that is, +input that just happens to be eight bits. +There are three basic operations that can happen: +undeclared 8-bit data can be automatically converted to 8BITMIME, +undeclared 8-bit data can be passed as-is without conversion to MIME +(``just send 8''), +and declared 8-bit data can be converted to 7-bits +for transmission to a non-8BITMIME mailer. +The possible +.i action s +are: +.(b +.\" r Reject undeclared 8-bit data; +.\" don't convert 8BITMIME\(->7BIT (``reject'') + s Reject undeclared 8-bit data (``strict'') +.\" do convert 8BITMIME\(->7BIT (``strict'') +.\" c Convert undeclared 8-bit data to MIME; +.\" don't convert 8BITMIME\(->7BIT (``convert'') + m Convert undeclared 8-bit data to MIME (``mime'') +.\" do convert 8BITMIME\(->7BIT (``mime'') +.\" j Pass undeclared 8-bit data; +.\" don't convert 8BITMIME\(->7BIT (``just send 8'') + p Pass undeclared 8-bit data (``pass'') +.\" do convert 8BITMIME\(->7BIT (``pass'') +.\" a Adaptive algorithm: see below +.)b +.\"The adaptive algorithm is to accept 8-bit data, +.\"converting it to 8BITMIME only if the receiver understands that, +.\"otherwise just passing it as undeclared 8-bit data; +.\"8BITMIME\(->7BIT conversions are done. +In all cases properly declared 8BITMIME data will be converted to 7BIT +as needed. +.ip ErrorHeader=\fIfile-or-message\fP +[E] +Prepend error messages with the indicated message. +If it begins with a slash, +it is assumed to be the pathname of a file +containing a message (this is the recommended setting). +Otherwise, it is a literal message. +The error file might contain the name, email address, and/or phone number +of a local postmaster who could provide assistance +to end users. +If the option is missing or null, +or if it names a file which does not exist or which is not readable, +no message is printed. +.ip ErrorMode=\fIx\fP +[e] +Dispose of errors using mode +.i x . +The values for +.i x +are: +.(b +p Print error messages (default) +q No messages, just give exit status +m Mail back errors +w Write back errors (mail if user not logged in) +e Mail back errors (when applicable) and give zero exit stat always +.)b +Note that the last mode, +.q e , +is for Berknet error processing and +should not be used in normal circumstances. +Note, too, that mode +.q q , +only applies to errors recognized before sendmail forks for +background delivery. +.ip FallbackMXhost=\fIfallbackhost\fP +[V] +If specified, the +.i fallbackhost +acts like a very low priority MX +on every host. +MX records will be looked up for this host, +unless the name is surrounded by square brackets. +This is intended to be used by sites with poor network connectivity. +Messages which are undeliverable due to temporary address failures +(e.g., DNS failure) +also go to the FallbackMXhost. +.ip FallBackSmartHost=\fIhostname\fP +If specified, the +.i FallBackSmartHost +will be used in a last-ditch effort for each host. +This is intended to be used by sites with "fake internal DNS", +e.g., a company whose DNS accurately reflects the world +inside that company's domain but not outside. +.ip FastSplit +[no short name] +If set to a value greater than zero (the default is one), +it suppresses the MX lookups on addresses +when they are initially sorted, i.e., for the first delivery attempt. +This usually results in faster envelope splitting unless the MX records +are readily available in a local DNS cache. +To enforce initial sorting based on MX records set +.b FastSplit +to zero. +If the mail is submitted directly from the command line, then +the value also limits the number of processes to deliver the envelopes; +if more envelopes are created they are only queued up +and must be taken care of by a queue run. +Since the default submission method is via SMTP (either from a MUA +or via the MSP), the value of +.b FastSplit +is seldom used to limit the number of processes to deliver the envelopes. +.ip ForkEachJob +[Y] +If set, +deliver each job that is run from the queue in a separate process. +.ip ForwardPath=\fIpath\fP +[J] +Set the path for searching for users' .forward files. +The default is +.q $z/.forward . +Some sites that use the automounter may prefer to change this to +.q /var/forward/$u +to search a file with the same name as the user in a system directory. +It can also be set to a sequence of paths separated by colons; +.i sendmail +stops at the first file it can successfully and safely open. +For example, +.q /var/forward/$u:$z/.forward +will search first in /var/forward/\c +.i username +and then in +.i ~username /.forward +(but only if the first file does not exist). +.ip HelpFile=\fIfile\fP +[H] +Specify the help file +for SMTP. +If no file name is specified, "helpfile" is used. +.ip HoldExpensive +[c] +If an outgoing mailer is marked as being expensive, +don't connect immediately. +.ip HostsFile=\fIpath\fP +[no short name] +The path to the hosts database, +normally +.q /etc/hosts . +This option is only consulted when sendmail +is canonifying addresses, +and then only when +.q files +is in the +.q hosts +service switch entry. +In particular, this file is +.i never +used when looking up host addresses; +that is under the control of the system +.i gethostbyname (3) +routine. +.ip HostStatusDirectory=\fIpath\fP +[no short name] +The location of the long term host status information. +When set, +information about the status of hosts +(e.g., host down or not accepting connections) +will be shared between all +.i sendmail +processes; +normally, this information is only held within a single queue run. +This option requires a connection cache of at least 1 to function. +If the option begins with a leading `/', +it is an absolute pathname; +otherwise, +it is relative to the mail queue directory. +A suggested value for sites desiring persistent host status is +.q \&.hoststat +(i.e., a subdirectory of the queue directory). +.ip IgnoreDots +[i] +Ignore dots in incoming messages. +This is always disabled (that is, dots are always accepted) +when reading SMTP mail. +.ip InputMailFilters=\fIname,name,...\fP +A comma separated list of filters which determines which filters +(see the "X \*- Mail Filter (Milter) Definitions" section) +and the invocation sequence are contacted for incoming SMTP messages. +If none are set, no filters will be contacted. +.ip LDAPDefaultSpec=\fIspec\fP +[no short name] +Sets a default map specification for LDAP maps. +The value should only contain LDAP specific settings +such as +.q "-h host -p port -d bindDN" . +The settings will be used for all LDAP maps +unless the individual map specification overrides a setting. +This option should be set before any LDAP maps are defined. +.ip LogLevel=\fIn\fP +[L] +Set the log level to +.i n . +Defaults to 9. +.ip M\fIx\|value\fP +[no long version] +Set the macro +.i x +to +.i value . +This is intended only for use from the command line. +The +.b \-M +flag is preferred. +.ip MailboxDatabase +[no short name] +Type of lookup to find information about local mailboxes, +defaults to ``pw'' which uses +.i getpwnam . +Other types can be introduced by adding them to the source code, +see libsm/mbdb.c for details. +.ip UseMSP +[no short name] +Use as mail submission program, i.e., +allow group writable queue files +if the group is the same as that of a set-group-ID sendmail binary. +See the file +.b sendmail/SECURITY +in the distribution tarball. +.ip MatchGECOS +[G] +Allow fuzzy matching on the GECOS field. +If this flag is set, +and the usual user name lookups fail +(that is, there is no alias with this name and a +.i getpwnam +fails), +sequentially search the password file +for a matching entry in the GECOS field. +This also requires that MATCHGECOS +be turned on during compilation. +This option is not recommended. +.ip MaxAliasRecursion=\fIN\fP +[no short name] +The maximum depth of alias recursion (default: 10). +.ip MaxDaemonChildren=\fIN\fP +[no short name] +If set, +.i sendmail +will refuse connections when it has more than +.i N +children processing incoming mail or automatic queue runs. +This does not limit the number of outgoing connections. +If not set, there is no limit to the number of children -- +that is, the system load averaging controls this. +.ip MaxHeadersLength=\fIN\fP +[no short name] +The maximum length of the sum of all headers. +This can be used to prevent a denial of service attack. +The default is no limit. +.ip MaxHopCount=\fIN\fP +[h] +The maximum hop count. +Messages that have been processed more than +.i N +times are assumed to be in a loop and are rejected. +Defaults to 25. +.ip MaxMessageSize=\fIN\fP +[no short name] +Specify the maximum message size +to be advertised in the ESMTP EHLO response. +Messages larger than this will be rejected. +If set to a value greater than zero, +that value will be listed in the SIZE response, +otherwise SIZE is advertised in the ESMTP EHLO response +without a parameter. +.ip MaxMimeHeaderLength=\fIN[/M]\fP +[no short name] +Sets the maximum length of certain MIME header field values to +.i N +characters. +These MIME header fields are determined by being a member of +class {checkMIMETextHeaders}, which currently contains only +the header Content-Description. +For some of these headers which take parameters, +the maximum length of each parameter is set to +.i M +if specified. If +.i /M +is not specified, one half of +.i N +will be used. +By default, +these values are 2048 and 1024, respectively. +To allow any length, a value of 0 can be specified. +.ip MaxQueueChildren=\fIN\fP +[no short name] +When set, this limits the number of concurrent queue runner processes to +.i N. +This helps to control the amount of system resources used when processing +the queue. When there are multiple queue groups defined and the total number +of queue runners for these queue groups would exceed +.i MaxQueueChildren +then the queue groups will not all run concurrently. That is, some portion +of the queue groups will run concurrently such that +.i MaxQueueChildren +will not be exceeded, while the remaining queue groups will be run later (in +round robin order). See also +.i MaxRunnersPerQueue +and the section \fBQueue Group Declaration\fP. +Notice: +.i sendmail +does not count individual queue runners, but only sets of processes +that act on a workgroup. +Hence the actual number of queue runners may be lower than the limit +imposed by +.i MaxQueueChildren . +This discrepancy can be large if some queue runners have to wait +for a slow server and if short intervals are used. +.ip MaxQueueRunSize=\fIN\fP +[no short name] +The maximum number of jobs that will be processed +in a single queue run. +If not set, there is no limit on the size. +If you have very large queues or a very short queue run interval +this could be unstable. +However, since the first +.i N +jobs in queue directory order are run (rather than the +.i N +highest priority jobs) +this should be set as high as possible to avoid +.q losing +jobs that happen to fall late in the queue directory. +.ip MaxRecipientsPerMessage=\fIN\fP +[no short name] +The maximum number of recipients that will be accepted per message +in an SMTP transaction. +Note: setting this too low can interfere with sending mail from +MUAs that use SMTP for initial submission. +If not set, there is no limit on the number of recipients per envelope. +.ip MaxRunnersPerQueue=\fIN\fP +[no short name] +This sets the default maximum number of queue runners for queue groups. +Up to +.i N +queue runners will work in parallel on a queue group's messages. +This is useful where the processing of a message in the queue might +delay the processing of subsequent messages. Such a delay may be the result +of non-erroneous situations such as a low bandwidth connection. +May be overridden on a per queue group basis by setting the +.i Runners +option; see the section \fBQueue Group Declaration\fP. +The default is 1 when not set. +.ip MeToo +[m] +Send to me too, +even if I am in an alias expansion. +This option is deprecated +and will be removed from a future version. +.ip Milter +[no short name] +This option has several sub(sub)options. +The names of the suboptions are separated by dots. +At the first level the following options are available: +.(b +.ta \w'LogLevel'u+3n +LogLevel Log level for input mail filter actions, defaults to LogLevel. +macros Specifies list of macro to transmit to filters. + See list below. +.)b +The ``macros'' option has the following suboptions +which specify the list of macro to transmit to milters +after a certain event occurred. +.(b +.ta \w'envfrom'u+3n +connect After session connection start +helo After HELO command +envfrom After MAIL FROM command +envrcpt After RCPT TO command +eom After DATA command and terminating ``.'' +.)b +By default the lists of macros are empty. +Example: +.(b +O Milter.LogLevel=12 +O Milter.macros.connect=j, _, {daemon_name} +.)b +.ip MinFreeBlocks=\fIN\fP +[b] +Insist on at least +.i N +blocks free on the filesystem that holds the queue files +before accepting email via SMTP. +If there is insufficient space +.i sendmail +gives a 452 response +to the MAIL command. +This invites the sender to try again later. +.ip MinQueueAge=\fIage\fP +[no short name] +Don't process any queued jobs +that have been in the queue less than the indicated time interval. +This is intended to allow you to get responsiveness +by processing the queue fairly frequently +without thrashing your system by trying jobs too often. +The default units are minutes. +.ip MustQuoteChars=\fIs\fP +[no short name] +Sets the list of characters that must be quoted if used in a full name +that is in the phrase part of a ``phrase
'' syntax. +The default is ``\'.''. +The characters ``@,;:\e()[]'' are always added to this list. +.ip NiceQueueRun +[no short name] +The priority of queue runners (nice(3)). +This value must be greater or equal zero. +.ip NoRecipientAction +[no short name] +The action to take when you receive a message that has no valid +recipient headers (To:, Cc:, Bcc:, or Apparently-To: \(em +the last included for back compatibility with old +.i sendmail s). +It can be +.b None +to pass the message on unmodified, +which violates the protocol, +.b Add-To +to add a To: header with any recipients it can find in the envelope +(which might expose Bcc: recipients), +.b Add-Apparently-To +to add an Apparently-To: header +(this is only for back-compatibility +and is officially deprecated), +.b Add-To-Undisclosed +to add a header +.q "To: undisclosed-recipients:;" +to make the header legal without disclosing anything, +or +.b Add-Bcc +to add an empty Bcc: header. +.ip OldStyleHeaders +[o] +Assume that the headers may be in old format, +i.e., +spaces delimit names. +This actually turns on +an adaptive algorithm: +if any recipient address contains a comma, parenthesis, +or angle bracket, +it will be assumed that commas already exist. +If this flag is not on, +only commas delimit names. +Headers are always output with commas between the names. +Defaults to off. +.ip OperatorChars=\fIcharlist\fP +[$o macro] +The list of characters that are considered to be +.q operators , +that is, characters that delimit tokens. +All operator characters are tokens by themselves; +sequences of non-operator characters are also tokens. +White space characters separate tokens +but are not tokens themselves \(em for example, +.q AAA.BBB +has three tokens, but +.q "AAA BBB" +has two. +If not set, OperatorChars defaults to +.q \&.\|:\|@\|[\|] ; +additionally, the characters +.q (\|)\|<\|>\|,\|; +are always operators. +Note that OperatorChars must be set in the +configuration file before any rulesets. +.ip PidFile=\fIfilename\fP +[no short name] +Filename of the pid file. +(default is _PATH_SENDMAILPID). +The +.i filename +is macro-expanded before it is opened, and unlinked when +.i sendmail +exits. +.ip PostmasterCopy=\fIpostmaster\fP +[P] +If set, +copies of error messages will be sent to the named +.i postmaster . +Only the header of the failed message is sent. +Errors resulting from messages with a negative precedence will not be sent. +Since most errors are user problems, +this is probably not a good idea on large sites, +and arguably contains all sorts of privacy violations, +but it seems to be popular with certain operating systems vendors. +The address is macro expanded +at the time of delivery. +Defaults to no postmaster copies. +.ip PrivacyOptions=\fI\|opt,opt,...\fP +[p] +Set the privacy +.i opt ions. +``Privacy'' is really a misnomer; +many of these are just a way of insisting on stricter adherence +to the SMTP protocol. +The +.i opt ions +can be selected from: +.(b +.ta \w'needvrfyhelo'u+3n +public Allow open access +needmailhelo Insist on HELO or EHLO command before MAIL +needexpnhelo Insist on HELO or EHLO command before EXPN +noexpn Disallow EXPN entirely, implies noverb. +needvrfyhelo Insist on HELO or EHLO command before VRFY +novrfy Disallow VRFY entirely +noetrn Disallow ETRN entirely +noverb Disallow VERB entirely +restrictmailq Restrict mailq command +restrictqrun Restrict \-q command line flag +restrictexpand Restrict \-bv and \-v command line flags +noreceipts Don't return success DSNs\** +nobodyreturn Don't return the body of a message with DSNs +goaway Disallow essentially all SMTP status queries +authwarnings Put X-Authentication-Warning: headers in messages + and log warnings +.)b +.(f +\**N.B.: +the +.b noreceipts +flag turns off support for RFC 1891 +(Delivery Status Notification). +.)f +The +.q goaway +pseudo-flag sets all flags except +.q noreceipts , +.q restrictmailq , +.q restrictqrun , +.q restrictexpand , +.q noetrn , +and +.q nobodyreturn . +If mailq is restricted, +only people in the same group as the queue directory +can print the queue. +If queue runs are restricted, +only root and the owner of the queue directory +can run the queue. +The +.q restrictexpand +pseudo-flag instructs +.i sendmail +to drop privileges when the +.b \-bv +option is given by users who are neither root nor the TrustedUser +so users cannot read private aliases, forwards, or :include: files. +It will add the +.q NonRootSafeAddr +to the +.q DontBlameSendmail +option to prevent misleading unsafe address warnings. +It also overrides the +.b \-v +(verbose) command line option to prevent information leakage. +Authentication Warnings add warnings about various conditions +that may indicate attempts to spoof the mail system, +such as using a non-standard queue directory. +.ip ProcessTitlePrefix=\fIstring\fP +[no short name] +Prefix the process title shown on 'ps' listings with +.i string . +The +.i string +will be macro processed. +.ip QueueDirectory=\fIdir\fP +[Q] +The QueueDirectory option serves two purposes. +First, it specifies the directory or set of directories that comprise +the default queue group. +Second, it specifies the directory D which is the ancestor of all queue +directories, and which sendmail uses as its current working directory. +When sendmail dumps core, it leaves its core files in D. +There are two cases. +If \fIdir\fR ends with an asterisk (eg, \fI/var/spool/mqueue/qd*\fR), +then all of the directories or symbolic links to directories +beginning with `qd' in +.i /var/spool/mqueue +will be used as queue directories of the default queue group, +and +.i /var/spool/mqueue +will be used as the working directory D. +Otherwise, +\fIdir\fR must name a directory (usually \fI/var/spool/mqueue\fR): +the default queue group consists of the single queue directory \fIdir\fR, +and the working directory D is set to \fIdir\fR. +To define additional groups of queue directories, +use the configuration file `Q' command. +Do not change the queue directory structure +while sendmail is running. +.ip QueueFactor=\fIfactor\fP +[q] +Use +.i factor +as the multiplier in the map function +to decide when to just queue up jobs rather than run them. +This value is divided by the difference between the current load average +and the load average limit +(\c +.b QueueLA +option) +to determine the maximum message priority +that will be sent. +Defaults to 600000. +.ip QueueLA=\fILA\fP +[x] +When the system load average exceeds +.i LA +and the +.b QueueFactor +(\c +.b q ) +option divided by the difference in the current load average and the +.b QueueLA +option plus one +is less than the priority of the message, +just queue messages +(i.e., don't try to send them). +Defaults to 8 multiplied by +the number of processors online on the system +(if that can be determined). +.ip QueueFileMode=\fImode\fP +[no short name] +Default permissions for queue files (octal). +If not set, sendmail uses 0600 unless its real +and effective uid are different in which case it uses 0644. +.ip QueueSortOrder=\fIalgorithm\fP +[no short name] +Sets the +.i algorithm +used for sorting the queue. +Only the first character of the value is used. +Legal values are +.q host +(to order by the name of the first host name of the first recipient), +.q filename +(to order by the name of the queue file name), +.q time +(to order by the submission/creation time), +.q random +(to order randomly), +.q modification +(to order by the modification time of the qf file (older entries first)), +.q none +(to not order), +and +.q priority +(to order by message priority). +Host ordering makes better use of the connection cache, +but may tend to process low priority messages +that go to a single host +over high priority messages that go to several hosts; +it probably shouldn't be used on slow network links. +Filename and modification time ordering saves the overhead of +reading all of the queued items +before starting the queue run. +Creation (submission) time ordering is almost always a bad idea, +since it allows large, bulk mail to go out +before smaller, personal mail, +but may have applicability on some hosts with very fast connections. +Random is useful if several queue runners are started by hand +which try to drain the same queue since odds are they will be working +on different parts of the queue at the same time. +Priority ordering is the default. +.ip QueueTimeout=\fItimeout\fP +[T] +A synonym for +.q Timeout.queuereturn . +Use that form instead of the +.q QueueTimeout +form. +.ip RandFile +[no short name] +Name of file containing random data or the name of the UNIX socket +if EGD is used. +A (required) prefix "egd:" or "file:" specifies the type. +STARTTLS requires this filename if the compile flag HASURANDOMDEV is not set +(see sendmail/README). +.ip ResolverOptions=\fIoptions\fP +[I] +Set resolver options. +Values can be set using +.b + \c +.i flag +and cleared using +.b \- \c +.i flag ; +the +.i flag s +can be +.q debug , +.q aaonly , +.q usevc , +.q primary , +.q igntc , +.q recurse , +.q defnames , +.q stayopen , +.q use_inet6 , +or +.q dnsrch . +The string +.q HasWildcardMX +(without a +.b + +or +.b \- ) +can be specified to turn off matching against MX records +when doing name canonifications. +The string +.q WorkAroundBrokenAAAA +(without a +.b + +or +.b \- ) +can be specified to work around some broken nameservers +which return SERVFAIL (a temporary failure) on T_AAAA (IPv6) lookups. +Notice: it might be necessary to apply the same (or similar) options to +.i submit.cf +too. +.ip RequiresDirfsync +[no short name] +This option can be used to override the compile time flag +.b REQUIRES_DIR_FSYNC +at runtime by setting it to +.sm false . +If the compile time flag is not set, the option is ignored. +The flag turns on support for file systems that require to call +.i fsync() +for a directory if the meta-data in it has been changed. +This should be turned on at least for older versions of ReiserFS; +it is enabled by default for Linux. +According to some information this flag is not needed +anymore for kernel 2.4.16 and newer. +.ip RrtImpliesDsn +[R] +If this option is set, a +.q Return-Receipt-To: +header causes the request of a DSN, which is sent to +the envelope sender as required by RFC 1891, +not to the address given in the header. +.ip RunAsUser=\fIuser\fP +[no short name] +The +.i user +parameter may be a user name +(looked up in +.i /etc/passwd ) +or a numeric user id; +either form can have +.q ":group" +attached +(where group can be numeric or symbolic). +If set to a non-zero (non-root) value, +.i sendmail +will change to this user id shortly after startup\**. +.(f +\**When running as a daemon, +it changes to this user after accepting a connection +but before reading any +.sm SMTP +commands. +.)f +This avoids a certain class of security problems. +However, this means that all +.q \&.forward +and +.q :include: +files must be readable by the indicated +.i user +and all files to be written must be writable by +.i user +Also, all file and program deliveries will be marked unsafe +unless the option +.b DontBlameSendmail=NonRootSafeAddr +is set, +in which case the delivery will be done as +.i user . +It is also incompatible with the +.b SafeFileEnvironment +option. +In other words, it may not actually add much to security on an average system, +and may in fact detract from security +(because other file permissions must be loosened). +However, it should be useful on firewalls and other +places where users don't have accounts and the aliases file is +well constrained. +.ip RecipientFactor=\fIfact\fP +[y] +The indicated +.i fact or +is added to the priority (thus +.i lowering +the priority of the job) +for each recipient, +i.e., this value penalizes jobs with large numbers of recipients. +Defaults to 30000. +.ip RefuseLA=\fILA\fP +[X] +When the system load average exceeds +.i LA , +refuse incoming SMTP connections. +Defaults to 12 multiplied by +the number of processors online on the system +(if that can be determined). +.ip RejectLogInterval=\fItimeout\fP +[no short name] +Log interval when refusing connections for this long +(default: 3h). +.ip RetryFactor=\fIfact\fP +[Z] +The +.i fact or +is added to the priority +every time a job is processed. +Thus, +each time a job is processed, +its priority will be decreased by the indicated value. +In most environments this should be positive, +since hosts that are down are all too often down for a long time. +Defaults to 90000. +.ip SafeFileEnvironment=\fIdir\fP +[no short name] +If this option is set, +.i sendmail +will do a +.i chroot (2) +call into the indicated +.i dir ectory +before doing any file writes. +If the file name specified by the user begins with +.i dir , +that partial path name will be stripped off before writing, +so (for example) +if the SafeFileEnvironment variable is set to +.q /safe +then aliases of +.q /safe/logs/file +and +.q /logs/file +actually indicate the same file. +Additionally, if this option is set, +.i sendmail +refuses to deliver to symbolic links. +.ip SaveFromLine +[f] +Save +UNIX-style +.q From +lines at the front of headers. +Normally they are assumed redundant +and discarded. +.ip SharedMemoryKey +[no short name] +Key to use for shared memory segment; +if not set (or 0), shared memory will not be used. +Requires support for shared memory to be compiled into +.i sendmail . +If this option is set, +.i sendmail +can share some data between different instances. +For example, the number of entries in a queue directory +or the available space in a file system. +This allows for more efficient program execution, since only +one process needs to update the data instead of each individual +process gathering the data each time it is required. +.ip SendMimeErrors +[j] +If set, send error messages in MIME format +(see RFC 2045 and RFC 1344 for details). +If disabled, +.i sendmail +will not return the DSN keyword in response to an EHLO +and will not do Delivery Status Notification processing as described in +RFC 1891. +.ip ServerCertFile +[no short name] +File containing the certificate of the server, i.e., this certificate +is used when sendmail acts as server +(used for STARTTLS). +.ip ServerKeyFile +[no short name] +File containing the private key belonging to the server certificate +(used for STARTTLS). +.ip ServiceSwitchFile=\fIfilename\fP +[no short name] +If your host operating system has a service switch abstraction +(e.g., /etc/nsswitch.conf on Solaris +or /etc/svc.conf on Ultrix and DEC OSF/1) +that service will be consulted and this option is ignored. +Otherwise, this is the name of a file +that provides the list of methods used to implement particular services. +The syntax is a series of lines, +each of which is a sequence of words. +The first word is the service name, +and following words are service types. +The services that +.i sendmail +consults directly are +.q aliases +and +.q hosts. +Service types can be +.q dns , +.q nis , +.q nisplus , +or +.q files +(with the caveat that the appropriate support +must be compiled in +before the service can be referenced). +If ServiceSwitchFile is not specified, it defaults to +/etc/mail/service.switch. +If that file does not exist, the default switch is: +.(b +aliases files +hosts dns nis files +.)b +The default file is +.q /etc/mail/service.switch . +.ip SevenBitInput +[7] +Strip input to seven bits for compatibility with old systems. +This shouldn't be necessary. +.ip SingleLineFromHeader +[no short name] +If set, From: lines that have embedded newlines are unwrapped +onto one line. +This is to get around a botch in Lotus Notes +that apparently cannot understand legally wrapped RFC 822 headers. +.ip SingleThreadDelivery +[no short name] +If set, a client machine will never try to open two SMTP connections +to a single server machine at the same time, +even in different processes. +That is, if another +.i sendmail +is already talking to some host a new +.i sendmail +will not open another connection. +This property is of mixed value; +although this reduces the load on the other machine, +it can cause mail to be delayed +(for example, if one +.i sendmail +is delivering a huge message, other +.i sendmail s +won't be able to send even small messages). +Also, it requires another file descriptor +(for the lock file) +per connection, so you may have to reduce the +.b ConnectionCacheSize +option to avoid running out of per-process file descriptors. +Requires the +.b HostStatusDirectory +option. +.ip SmtpGreetingMessage=\fImessage\fP +[$e macro] +The message printed when the SMTP server starts up. +Defaults to +.q "$j Sendmail $v ready at $b". +.ip StatusFile=\fIfile\fP +[S] +Log summary statistics in the named +.i file . +If no file name is specified, "statistics" is used. +If not set, +no summary statistics are saved. +This file does not grow in size. +It can be printed using the +.i mailstats (8) +program. +.ip SuperSafe +[s] +This option can be set to True, False, Interactive, or PostMilter. +If set to True, +.i sendmail +will be super-safe when running things, +i.e., always instantiate the queue file, +even if you are going to attempt immediate delivery. +.i Sendmail +always instantiates the queue file +before returning control to the client +under any circumstances. +This should really +.i always +be set to True. +The Interactive value has been introduced in 8.12 and can +be used together with +.b DeliveryMode=i . +It skips some synchronization calls which are effectively +doubled in the code execution path for this mode. +If set to PostMilter, +.i sendmail +defers synchronizing the queue file until any milters have +signaled acceptance of the message. +PostMilter is useful only when +.i sendmail +is running as an SMTP server; in all other situations it +acts the same as True. +.ip TLSSrvOptions +[no short name] +List of options for SMTP STARTTLS for the server +consisting of single characters +with intervening white space or commas. +The flag ``V'' disables client verification, and hence +it is not possible to use a client certificate for relaying. +Currently there are no other flags available. +.ip TempFileMode=\fImode\fP +[F] +The file mode for transcript files, files to which +.i sendmail +delivers directly, files in the +.b HostStatusDirectory , +and +.b StatusFile . +It is interpreted in octal by default. +Defaults to 0600. +.ip Timeout.\fItype\fP=\|\fItimeout\fP +[r; subsumes old T option as well] +Set timeout values. +For more information, +see section +.\" XREF +4.1. +.ip TimeZoneSpec=\fItzinfo\fP +[t] +Set the local time zone info to +.i tzinfo +\*- for example, +.q PST8PDT . +Actually, if this is not set, +the TZ environment variable is cleared (so the system default is used); +if set but null, the user's TZ variable is used, +and if set and non-null the TZ variable is set to this value. +.ip TrustedUser=\fIuser\fP +[no short name] +The +.i user +parameter may be a user name +(looked up in +.i /etc/passwd ) +or a numeric user id. +Trusted user for file ownership and starting the daemon. If set, generated +alias databases and the control socket (if configured) will automatically +be owned by this user. +.ip TryNullMXList +[w] +If this system is the +.q best +(that is, lowest preference) +MX for a given host, +its configuration rules should normally detect this situation +and treat that condition specially +by forwarding the mail to a UUCP feed, +treating it as local, +or whatever. +However, in some cases (such as Internet firewalls) +you may want to try to connect directly to that host +as though it had no MX records at all. +Setting this option causes +.i sendmail +to try this. +The downside is that errors in your configuration +are likely to be diagnosed as +.q "host unknown" +or +.q "message timed out" +instead of something more meaningful. +This option is disrecommended. +.ip UnixFromLine=\fIfromline\fP +[$l macro] +Defines the format used when +.i sendmail +must add a UNIX-style From_ line +(that is, a line beginning +.q Fromuser ). +Defaults to +.q "From $g $d" . +Don't change this unless your system uses a different UNIX mailbox format +(very unlikely). +.ip UnsafeGroupWrites +[no short name] +If set (default), +:include: and .forward files that are group writable are considered +.q unsafe , +that is, +they cannot reference programs or write directly to files. +World writable :include: and .forward files +are always unsafe. +Note: use +.b DontBlameSendmail +instead; this option is deprecated. +.ip UseErrorsTo +[l] +If there is an +.q Errors-To: +header, send error messages to the addresses listed there. +They normally go to the envelope sender. +Use of this option causes +.i sendmail +to violate RFC 1123. +This option is disrecommended and deprecated. +.ip UserDatabaseSpec=\fIudbspec\fP +[U] +The user database specification. +.ip Verbose +[v] +Run in verbose mode. +If this is set, +.i sendmail +adjusts options +.b HoldExpensive +(old +.b c ) +and +.b DeliveryMode +(old +.b d ) +so that all mail is delivered completely +in a single job +so that you can see the entire delivery process. +Option +.b Verbose +should +.i never +be set in the configuration file; +it is intended for command line use only. +Note that the use of option +.b Verbose +can cause authentication information to leak, if you use a +sendmail client to authenticate to a server. +If the authentication mechanism uses plain text passwords +(as with LOGIN or PLAIN), +then the password could be compromised. +To avoid this, do not install sendmail set-user-ID root, +and disable the +.b VERB +SMTP command with a suitable +.b PrivacyOptions +setting. +.ip XscriptFileBufferSize=\fIthreshold\fP +[no short name] +Set the +.i threshold , +in bytes, +before a memory-based +queue transcript file +becomes disk-based. +The default is 4096 bytes. +.lp +All options can be specified on the command line using the +\-O or \-o flag, +but most will cause +.i sendmail +to relinquish its set-user-ID permissions. +The options that will not cause this are +SevenBitInput [7], +EightBitMode [8], +MinFreeBlocks [b], +CheckpointInterval [C], +DeliveryMode [d], +ErrorMode [e], +IgnoreDots [i], +SendMimeErrors [j], +LogLevel [L], +MeToo [m], +OldStyleHeaders [o], +PrivacyOptions [p], +SuperSafe [s], +Verbose [v], +QueueSortOrder, +MinQueueAge, +DefaultCharSet, +Dial Delay, +NoRecipientAction, +ColonOkInAddr, +MaxQueueRunSize, +SingleLineFromHeader, +and +AllowBogusHELO. +Actually, PrivacyOptions [p] given on the command line +are added to those already specified in the +.i sendmail.cf +file, i.e., they can't be reset. +Also, M (define macro) when defining the r or s macros +is also considered +.q safe . +.sh 2 "P \*- Precedence Definitions" +.pp +Values for the +.q "Precedence:" +field may be defined using the +.b P +control line. +The syntax of this field is: +.(b +\fBP\fP\fIname\fP\fB=\fP\fInum\fP +.)b +When the +.i name +is found in a +.q Precedence: +field, +the message class is set to +.i num . +Higher numbers mean higher precedence. +Numbers less than zero +have the special property +that if an error occurs during processing +the body of the message will not be returned; +this is expected to be used for +.q "bulk" +mail such as through mailing lists. +The default precedence is zero. +For example, +our list of precedences is: +.(b +Pfirst-class=0 +Pspecial-delivery=100 +Plist=\-30 +Pbulk=\-60 +Pjunk=\-100 +.)b +People writing mailing list exploders +are encouraged to use +.q "Precedence: list" . +Older versions of +.i sendmail +(which discarded all error returns for negative precedences) +didn't recognize this name, giving it a default precedence of zero. +This allows list maintainers to see error returns +on both old and new versions of +.i sendmail . +.sh 2 "V \*- Configuration Version Level" +.pp +To provide compatibility with old configuration files, +the +.b V +line has been added to define some very basic semantics +of the configuration file. +These are not intended to be long term supports; +rather, they describe compatibility features +which will probably be removed in future releases. +.pp +.b N.B.: +these version +.i levels +have nothing +to do with the version +.i number +on the files. +For example, +as of this writing +version 10 config files +(specifically, 8.10) +used version level 9 configurations. +.pp +.q Old +configuration files are defined as version level one. +Version level two files make the following changes: +.np +Host name canonification ($[ ... $]) +appends a dot if the name is recognized; +this gives the config file a way of finding out if anything matched. +(Actually, this just initializes the +.q host +map with the +.q \-a. +flag \*- you can reset it to anything you prefer +by declaring the map explicitly.) +.np +Default host name extension is consistent throughout processing; +version level one configurations turned off domain extension +(that is, adding the local domain name) +during certain points in processing. +Version level two configurations are expected to include a trailing dot +to indicate that the name is already canonical. +.np +Local names that are not aliases +are passed through a new distinguished ruleset five; +this can be used to append a local relay. +This behavior can be prevented by resolving the local name +with an initial `@'. +That is, something that resolves to a local mailer and a user name of +.q vikki +will be passed through ruleset five, +but a user name of +.q @vikki +will have the `@' stripped, +will not be passed through ruleset five, +but will otherwise be treated the same as the prior example. +The expectation is that this might be used to implement a policy +where mail sent to +.q vikki +was handled by a central hub, +but mail sent to +.q vikki@localhost +was delivered directly. +.pp +Version level three files +allow # initiated comments on all lines. +Exceptions are backslash escaped # marks +and the $# syntax. +.pp +Version level four configurations +are completely equivalent to level three +for historical reasons. +.pp +Version level five configuration files +change the default definition of +.b $w +to be just the first component of the hostname. +.pp +Version level six configuration files +change many of the local processing options +(such as aliasing and matching the beginning of the address for +`|' characters) +to be mailer flags; +this allows fine-grained control over the special local processing. +Level six configuration files may also use long option names. +The +.b ColonOkInAddr +option (to allow colons in the local-part of addresses) +defaults +.b on +for lower numbered configuration files; +the configuration file requires some additional intelligence +to properly handle the RFC 822 group construct. +.pp +Version level seven configuration files +used new option names to replace old macros +(\c +.b $e +became +.b SmtpGreetingMessage , +.b $l +became +.b UnixFromLine , +and +.b $o +became +.b OperatorChars . +Also, prior to version seven, +the +.b F=q +flag (use 250 instead of 252 return value for +.sm "SMTP VRFY" +commands) +was assumed. +.pp +Version level eight configuration files allow +.b $# +on the left hand side of ruleset lines. +.pp +Version level nine configuration files allow +parentheses in rulesets, i.e. they are not treated +as comments and hence removed. +.pp +Version level ten configuration files allow +queue group definitions. +.pp +The +.b V +line may have an optional +.b / \c +.i vendor +to indicate that this configuration file uses modifications +specific to a particular vendor\**. +.(f +\**And of course, vendors are encouraged to add themselves +to the list of recognized vendors by editing the routine +.i setvendor +in +.i conf.c . +Please send e-mail to sendmail@Sendmail.ORG +to register your vendor dialect. +.)f +You may use +.q /Berkeley +to emphasize that this configuration file +uses the Berkeley dialect of +.i sendmail . +.sh 2 "K \*- Key File Declaration" +.pp +Special maps can be defined using the line: +.(b +Kmapname mapclass arguments +.)b +The +.i mapname +is the handle by which this map is referenced in the rewriting rules. +The +.i mapclass +is the name of a type of map; +these are compiled in to +.i sendmail . +The +.i arguments +are interpreted depending on the class; +typically, +there would be a single argument naming the file containing the map. +.pp +Maps are referenced using the syntax: +.(b +$( \fImap\fP \fIkey\fP $@ \fIarguments\fP $: \fIdefault\fP $) +.)b +where either or both of the +.i arguments +or +.i default +portion may be omitted. +The +.i "$@ arguments" +may appear more than once. +The indicated +.i key +and +.i arguments +are passed to the appropriate mapping function. +If it returns a value, it replaces the input. +If it does not return a value and the +.i default +is specified, the +.i default +replaces the input. +Otherwise, the input is unchanged. +.pp +The +.i arguments +are passed to the map for arbitrary use. +Most map classes can interpolate these arguments +into their values using the syntax +.q %\fIn\fP +(where +.i n +is a digit) +to indicate the corresponding +.i argument . +Argument +.q %0 +indicates the database key. +For example, the rule +.(b +.ta 1.5i +R$\- ! $+ $: $(uucp $1 $@ $2 $: $2 @ $1 . UUCP $) +.)b +Looks up the UUCP name in a (user defined) UUCP map; +if not found it turns it into +.q \&.UUCP +form. +The database might contain records like: +.(b +decvax %1@%0.DEC.COM +research %1@%0.ATT.COM +.)b +Note that +.i default +clauses never do this mapping. +.pp +The built-in map with both name and class +.q host +is the host name canonicalization lookup. +Thus, +the syntax: +.(b +$(host \fIhostname\fP$) +.)b +is equivalent to: +.(b +$[\fIhostname\fP$] +.)b +.pp +There are many defined classes. +.ip dbm +Database lookups using the ndbm(3) library. +.i Sendmail +must be compiled with +.b NDBM +defined. +.ip btree +Database lookups using the btree interface to the Berkeley DB +library. +.i Sendmail +must be compiled with +.b NEWDB +defined. +.ip hash +Database lookups using the hash interface to the Berkeley DB +library. +.i Sendmail +must be compiled with +.b NEWDB +defined. +.ip nis +NIS lookups. +.i Sendmail +must be compiled with +.b NIS +defined. +.ip nisplus +NIS+ lookups. +.i Sendmail +must be compiled with +.b NISPLUS +defined. +The argument is the name of the table to use for lookups, +and the +.b \-k +and +.b \-v +flags may be used to set the key and value columns respectively. +.ip hesiod +Hesiod lookups. +.i Sendmail +must be compiled with +.b HESIOD +defined. +.ip ldap +LDAP X500 directory lookups. +.i Sendmail +must be compiled with +.b LDAPMAP +defined. +The map supports most of the standard arguments +and most of the command line arguments of the +.i ldapsearch +program. +Note that, +by default, +if a single query matches multiple values, +only the first value will be returned +unless the +.b \-z +(value separator) +map flag is set. +Also, the +.b \-1 +map flag will treat a multiple value return +as if there were no matches. +.ip netinfo +NeXT NetInfo lookups. +.i Sendmail +must be compiled with +.b NETINFO +defined. +.ip text +Text file lookups. +The format of the text file is defined by the +.b \-k +(key field number), +.b \-v +(value field number), +and +.b \-z +(field delimiter) +flags. +.ip ph +PH query map. +Contributed and supported by +Mark Roth, roth@uiuc.edu. +For more information, +consult the web site +.q http://www-dev.cites.uiuc.edu/sendmail/ . +.ip nsd +nsd map for IRIX 6.5 and later. +Contributed and supported by Bob Mende of SGI, +mende@sgi.com. +.ip stab +Internal symbol table lookups. +Used internally for aliasing. +.ip implicit +Really should be called +.q alias +\(em this is used to get the default lookups +for alias files, +and is the default if no class is specified for alias files. +.ip user +Looks up users using +.i getpwnam (3). +The +.b \-v +flag can be used to specify the name of the field to return +(although this is normally used only to check the existence +of a user). +.ip host +Canonifies host domain names. +Given a host name it calls the name server +to find the canonical name for that host. +.ip bestmx +Returns the best MX record for a host name given as the key. +The current machine is always preferred \*- +that is, if the current machine is one of the hosts listed as a +lowest-preference MX record, then it will be guaranteed to be returned. +This can be used to find out if this machine is the target for an MX record, +and mail can be accepted on that basis. +If the +.b \-z +flag is given, then all MX names are returned, +separated by the given delimiter. +.ip dns +This map requires the option -R to specify the DNS resource record +type to lookup. The following types are supported: +A, AAAA, AFSDB, CNAME, MX, NS, PTR, SRV, and TXT. +A map lookup will return only one record. +Hence for some types, e.g., MX records, the return value might be a random +element of the list due to randomizing in the DNS resolver. +.ip sequence +The arguments on the `K' line are a list of maps; +the resulting map searches the argument maps in order +until it finds a match for the indicated key. +For example, if the key definition is: +.(b +Kmap1 ... +Kmap2 ... +Kseqmap sequence map1 map2 +.)b +then a lookup against +.q seqmap +first does a lookup in map1. +If that is found, it returns immediately. +Otherwise, the same key is used for map2. +.ip syslog +the key is logged via +.i syslogd \|(8). +The lookup returns the empty string. +.ip switch +Much like the +.q sequence +map except that the order of maps is determined by the service switch. +The argument is the name of the service to be looked up; +the values from the service switch are appended to the map name +to create new map names. +For example, consider the key definition: +.(b +Kali switch aliases +.)b +together with the service switch entry: +.(b +aliases nis files +.)b +This causes a query against the map +.q ali +to search maps named +.q ali.nis +and +.q ali.files +in that order. +.ip dequote +Strip double quotes (") from a name. +It does not strip backslashes, +and will not strip quotes if the resulting string +would contain unscannable syntax +(that is, basic errors like unbalanced angle brackets; +more sophisticated errors such as unknown hosts are not checked). +The intent is for use when trying to accept mail from systems such as +DECnet +that routinely quote odd syntax such as +.(b +"49ers::ubell" +.)b +A typical usage is probably something like: +.(b +Kdequote dequote + +\&... + +R$\- $: $(dequote $1 $) +R$\- $+ $: $>3 $1 $2 +.)b +Care must be taken to prevent unexpected results; +for example, +.(b +"|someprogram < input > output" +.)b +will have quotes stripped, +but the result is probably not what you had in mind. +Fortunately these cases are rare. +.ip regex +The map definition on the +.b K +line contains a regular expression. +Any key input is compared to that expression using the +POSIX regular expressions routines regcomp(), regerr(), and regexec(). +Refer to the documentation for those routines for more information +about the regular expression matching. +No rewriting of the key is done if the +.b \-m +flag is used. Without it, the key is discarded or if +.b \-s +if used, it is substituted by the substring matches, delimited by +.b $| +or the string specified with the the +.b \-d +flag. The flags available for the map are +.(b +.ta 4n +-n not +-f case sensitive +-b basic regular expressions (default is extended) +-s substring match +-d set the delimiter used for -s +-a append string to key +-m match only, do not replace/discard value +-D perform no lookup in deferred delivery mode. +.)b +The +.b \-s +flag can include an optional parameter which can be used +to select the substrings in the result of the lookup. For example, +.(b +-s1,3,4 +.)b +Notes: to match a +.b $ +in a string, +\\$$ +must be used. +If the pattern contains spaces, they must be replaced +with the blank substitution character, unless it is +space itself. +.ip program +The arguments on the +.b K +line are the pathname to a program and any initial parameters to be passed. +When the map is called, +the key is added to the initial parameters +and the program is invoked +as the default user/group id. +The first line of standard output is returned as the value of the lookup. +This has many potential security problems, +and has terrible performance; +it should be used only when absolutely necessary. +.ip macro +Set or clear a macro value. +To set a macro, +pass the value as the first argument in the map lookup. +To clear a macro, +do not pass an argument in the map lookup. +The map always returns the empty string. +Example of typical usage include: +.(b +Kstorage macro + +\&... + +# set macro ${MyMacro} to the ruleset match +R$+ $: $(storage {MyMacro} $@ $1 $) $1 +# set macro ${MyMacro} to an empty string +R$* $: $(storage {MyMacro} $@ $) $1 +# clear macro ${MyMacro} +R$\- $: $(storage {MyMacro} $) $1 +.)b +.ip arith +Perform simple arithmetic operations. +The operation is given as key, currently +, -, *, /, %, +|, & (bitwise OR, AND), +l (for less than), and = are supported. +The two operands are given as arguments. +The lookup returns the result of the computation, +i.e. +.sm TRUE +or +.sm FALSE +for comparisons, integer values otherwise. +All options which are possible for maps are ignored. +A simple example is: +.(b +Kcomp arith + +\&... + +Scheck_etrn +R$* $: $(comp l $@ $&{load_avg} $@ 7 $) $1 +RFALSE $# error \&... +.)b +.ip socket +The socket map uses a simple request/reply protocol over TCP or UNIX domain +sockets to query an external server. +Both requests and replies are text based and encoded as netstrings, +i.e., a string "hello there" becomes: +.(b +11:hello there, +.)b +Note: neither requests nor replies end with CRLF. + +The request consists of the database map name and the lookup key separated +by a space character: + +.(b + ' ' +.)b + +The server responds with a status indicator and the result (if any): + +.(b + ' ' +.)b + +The status indicator is one of the following upper case words: +.(b +.ta 9n +OK the key was found, result contains the looked up value +NOTFOUND the key was not found, the result is empty +TEMP a temporary failure occured +TIMEOUT a timeout occured on the server side +PERM a permanent failure occured +.)b + +In case of errors (status TEMP, TIMEOUT or PERM) the result field may +contain an explanatory message. + +Example replies: +.(b +31:OK resolved.address@example.com, +.)b + +in case of a successful lookup, or: +.(b +8:NOTFOUND, +.)b + +in case the key was not found, or: +.(b +55:TEMP this text explains that we had a temporary failure, +.)b + +in case of a failure. + +The socket map uses the same syntax as milters +(see Section "X \*- Mail Filter (Milter) Definitions") +to specify the remote endpoint, e.g., +.(b +Ksocket mySocketMap inet:12345@127.0.0.1 +.)b + +If multiple socket maps define the same remote endpoint, they will share +a single connection to this endpoint. +.pp +Most of these accept as arguments the same optional flags +and a filename +(or a mapname for NIS; +the filename is the root of the database path, +so that +.q .db +or some other extension appropriate for the database type +will be added to get the actual database name). +Known flags are: +.ip "\-o" +Indicates that this map is optional \*- that is, +if it cannot be opened, +no error is produced, +and +.i sendmail +will behave as if the map existed but was empty. +.ip "\-N, \-O" +If neither +.b \-N +or +.b \-O +are specified, +.i sendmail +uses an adaptive algorithm to decide whether or not to look for null bytes +on the end of keys. +It starts by trying both; +if it finds any key with a null byte it never tries again without a null byte +and vice versa. +If +.b \-N +is specified it never tries without a null byte and +if +.b \-O +is specified it never tries with a null byte. +Setting one of +these can speed matches but are never necessary. +If both +.b \-N +and +.b \-O +are specified, +.i sendmail +will never try any matches at all \(em +that is, everything will appear to fail. +.ip "\-a\fIx\fP" +Append the string +.i x +on successful matches. +For example, the default +.i host +map appends a dot on successful matches. +.ip "\-T\fIx\fP" +Append the string +.i x +on temporary failures. +For example, +.i x +would be appended if a DNS lookup returned +.q "server failed" +or an NIS lookup could not locate a server. +See also the +.b \-t +flag. +.ip "\-f" +Do not fold upper to lower case before looking up the key. +.ip "\-m" +Match only (without replacing the value). +If you only care about the existence of a key and not the value +(as you might when searching the NIS map +.q hosts.byname +for example), +this flag prevents the map from substituting the value. +However, +The \-a argument is still appended on a match, +and the default is still taken if the match fails. +.ip "\-k\fIkeycol\fP" +The key column name (for NIS+) or number +(for text lookups). +For LDAP maps this is an LDAP filter string +in which %s is replaced with the literal contents of the lookup key +and %0 is replaced with the LDAP escaped contents of the lookup key +according to RFC 2254. +.ip "\-v\fIvalcol\fP" +The value column name (for NIS+) or number +(for text lookups). +For LDAP maps this is the name of one or more +attributes to be returned; +multiple attributes can be separated by commas. +If not specified, all attributes found in the match +will be returned. +The attributes listed can also include a type and one or more +objectClass values for matching as described in the LDAP section. +.ip "\-z\fIdelim\fP" +The column delimiter (for text lookups). +It can be a single character or one of the special strings +.q \|\en +or +.q \|\et +to indicate newline or tab respectively. +If omitted entirely, +the column separator is any sequence of white space. +For LDAP maps this is the separator character +to combine multiple values +into a single return string. +If not set, +the LDAP lookup will only return the first match found. +.ip "\-t" +Normally, when a map attempts to do a lookup +and the server fails +(e.g., +.i sendmail +couldn't contact any name server; +this is +.i not +the same as an entry not being found in the map), +the message being processed is queued for future processing. +The +.b \-t +flag turns off this behavior, +letting the temporary failure (server down) +act as though it were a permanent failure (entry not found). +It is particularly useful for DNS lookups, +where someone else's misconfigured name server can cause problems +on your machine. +However, care must be taken to ensure that you don't bounce mail +that would be resolved correctly if you tried again. +A common strategy is to forward such mail +to another, possibly better connected, mail server. +.ip "\-D" +Perform no lookup in deferred delivery mode. +This flag is set by default for the +.i host +map. +.ip "\-S\fIspacesub\fP +The character to use to replace space characters +after a successful map lookup (esp. useful for regex +and syslog maps). +.ip "\-s\fIspacesub\fP +For the dequote map only, +the character to use to replace space characters +after a successful dequote. +.ip "\-q" +Don't dequote the key before lookup. +.ip "\-L\fIlevel\fP +For the syslog map only, it specifies the level +to use for the syslog call. +.ip "\-A" +When rebuilding an alias file, +the +.b \-A +flag causes duplicate entries in the text version +to be merged. +For example, two entries: +.(b +list: user1, user2 +list: user3 +.)b +would be treated as though it were the single entry +.(b +list: user1, user2, user3 +.)b +in the presence of the +.b \-A +flag. +.pp +Some additional flags are available for the host and dns maps: +.ip "\-d" +delay: specify the resolver's retransmission time interval (in seconds). +.ip "\-r" +retry: specify the number of times to retransmit a resolver query. +.pp +The following additional flags are present in the ldap map only: +.ip "\-R" +Do not auto chase referrals. sendmail must be compiled with +.b \-DLDAP_REFERRALS +to use this flag. +.ip "\-n" +Retrieve attribute names only. +.ip "\-V\fIsep\fP" +Retrieve both attributes name and value(s), +separated by +.i sep . +.ip "\-r\fIderef\fP" +Set the alias dereference option to one of never, always, search, or find. +.ip "\-s\fIscope\fP" +Set search scope to one of base, one (one level), or sub (subtree). +.ip "\-h\fIhost\fP" +LDAP server hostname. +Some LDAP libraries allow you to specify multiple, space-separated hosts for +redundancy. +In addition, each of the hosts listed can be followed by a colon and a port +number to override the default LDAP port. +.ip "\-p\fIport\fP" +LDAP service port. +.ip "\-H \fILDAPURI\fP" +Use the specified LDAP URI instead of specifying the hostname and port +separately with the the +.b \-h +and +.b \-p +options shown above. +For example, +.(b +-h server.example.com -p 389 -b dc=example,dc=com +.)b +is equivalent to +.(b +-H ldap://server.example.com:389/dc=example,dc=com +.)b +If the LDAP library supports it, +the LDAP URI format however can also request LDAP over SSL by using +.b ldaps:// +instead of +.b ldap:// . +For example: +.(b +O LDAPDefaultSpec=-H ldaps://ldap.example.com/dc=example,dc=com +.)b +Similarly, if the LDAP library supports it, +It can also be used to specify a UNIX domain socket using +.b ldapi:// : +.(b +O LDAPDefaultSpec=-H ldapi://socketfile/dc=example,dc=com +.)b +.ip "\-b\fIbase\fP" +LDAP search base. +.ip "\-l\fItimelimit\fP" +Time limit for LDAP queries. +.ip "\-Z\fIsizelimit\fP" +Size (number of matches) limit for LDAP queries. +.ip "\-d\fIdistinguished_name\fP" +The distinguished name to use to login to the LDAP server. +.ip "\-M\fImethod\fP" +The method to authenticate to the LDAP server. +Should be one of +.b LDAP_AUTH_NONE , +.b LDAP_AUTH_SIMPLE , +or +.b LDAP_AUTH_KRBV4 . +.ip "\-P\fIpasswordfile\fP" +The file containing the secret key for the +.b LDAP_AUTH_SIMPLE +authentication method +or the name of the Kerberos ticket file for +.b LDAP_AUTH_KRBV4 . +.ip "\-1" +Force LDAP searches to only succeed if a single match is found. +If multiple values are found, +the search is treated as if no match was found. +.ip "\-w\fIversion\fP" +Set the LDAP API/protocol version to use. +The default depends on the LDAP client libraries in use. +For example, +.b "\-w 3" +will cause +.i sendmail +to use LDAPv3 when communicating with the LDAP server. +.pp +The +.i dbm +map appends the strings +.q \&.pag +and +.q \&.dir +to the given filename; +the +.i hash +and +.i btree +maps append +.q \&.db . +For example, the map specification +.(b +Kuucp dbm \-o \-N /etc/mail/uucpmap +.)b +specifies an optional map named +.q uucp +of class +.q dbm ; +it always has null bytes at the end of every string, +and the data is located in +/etc/mail/uucpmap.{dir,pag}. +.pp +The program +.i makemap (8) +can be used to build any of the three database-oriented maps. +It takes the following flags: +.ip \-f +Do not fold upper to lower case in the map. +.ip \-N +Include null bytes in keys. +.ip \-o +Append to an existing (old) file. +.ip \-r +Allow replacement of existing keys; +normally, re-inserting an existing key is an error. +.ip \-v +Print what is happening. +.lp +The +.i sendmail +daemon does not have to be restarted to read the new maps +as long as you change them in place; +file locking is used so that the maps won't be read +while they are being updated. +.pp +New classes can be added in the routine +.b setupmaps +in file +.b conf.c . +.sh 2 "Q \*- Queue Group Declaration" +.pp +In addition to the option +.i QueueDirectory, +queue groups can be declared that define a (group of) queue directories +under a common name. +The syntax is as follows: +.(b F +.b Q \c +.i name +{, \c +.i field =\c +.i value \|}+ +.)b +where +.i name +is the symbolic name of the queue group under which +it can be referenced in various places +and the +.q field=value +pairs define attributes of the queue group. +The name must only consist of alphanumeric characters. +Fields are: +.ip Flags +Flags for this queue group. +.ip Nice +The nice(2) increment for the queue group. +This value must be greater or equal zero. +.ip Interval +The time between two queue runs. +.ip Path +The queue directory of the group (required). +.ip Runners +The number of parallel runners processing the queue. +Note that +.b F=f +must be set if this value is greater than one. +.ip Jobs +The maximum number of jobs (messages delivered) per queue run. +.ip recipients +The maximum number of recipients per envelope. +Envelopes with more than this number of recipients will be split +into multiple envelopes in the same queue directory. +The default value 0 means no limit. +.lp +Only the first character of the field name is checked. +.pp +By default, a queue group named +.i mqueue +is defined that uses the value of the +.i QueueDirectory +option as path. +Notice: all paths that are used for queue groups must +be subdirectories of +.i QueueDirectory . +Since they can be symbolic links, this isn't a real restriction, +If +.i QueueDirectory +uses a wildcard, then the directory one level up is considered +the ``base'' directory which all other queue directories must share. +Please make sure that the queue directories do not overlap, +e.g., do not specify +.(b +O QueueDirectory=/var/spool/mqueue/* +Qone, P=/var/spool/mqueue/dir1 +Qtwo, P=/var/spool/mqueue/dir2 +.)b +because this also includes +.q dir1 +and +.q dir2 +in the default queue group. +However, +.(b +O QueueDirectory=/var/spool/mqueue/main* +Qone, P=/var/spool/mqueue/dir +Qtwo, P=/var/spool/mqueue/other* +.)b +is a valid queue group specification. +.pp +Options listed in the ``Flags'' field can be used to modify +the behavior of a queue group. +The ``f'' flag must be set if multiple queue runners are +supposed to work on the entries in a queue group. +Otherwise +.i sendmail +will work on the entries strictly sequentially. +.pp +The ``Interval'' field sets the time between queue runs. +If no queue group specific interval is set, then the parameter of the +.b -q +option from the command line is used. +.pp +To control the overall number of concurrently active queue runners +the option +.b MaxQueueChildren +can be set. +This limits the number of processes used for running the queues to +.b MaxQueueChildren , +though at any one time fewer processes may be active +as a result of queue options, completed queue runs, system load, etc. +.pp +The maximum number of queue runners for an individual queue group can be +controlled via the +.b Runners +option. +If set to 0, entries in the queue will not be processed, which +is useful to ``quarantine'' queue files. +The number of runners per queue group may also be set with the option +.b MaxRunnersPerQueue , +which applies to queue groups that have no individual limit. +That is, the default value for +.b Runners +is +.b MaxRunnersPerQueue +if set, otherwise 1. +.pp +The field Jobs describes the maximum number of jobs +(messages delivered) per queue run, which is the queue group specific +value of +.b MaxQueueRunSize . +.pp +Notice: queue groups should be declared after all queue related options +have been set because queue groups take their defaults from those options. +If an option is set after a queue group declaration, the values of +options in the queue group are set to the defaults of +.i sendmail +unless explicitly set in the declaration. +.pp +Each envelope is assigned to a queue group based on the algorithm +described in section +``Queue Groups and Queue Directories''. +.sh 2 "X \*- Mail Filter (Milter) Definitions" +.pp +The +.i sendmail +Mail Filter API (Milter) is designed to allow third-party programs access +to mail messages as they are being processed in order to filter +meta-information and content. +They are declared in the configuration file as: +.(b F +.b X \c +.i name +{, \c +.i field =\c +.i value \|}* +.)b +where +.i name +is the name of the filter +(used internally only) +and the +.q field=name +pairs define attributes of the filter. +Also see the documentation for the +.b InputMailFilters +option for more information. +.pp +Fields are: +.(b +.ta 1i +Socket The socket specification +Flags Special flags for this filter +Timeouts Timeouts for this filter +.)b +Only the first character of the field name is checked +(it's case-sensitive). +.pp +The socket specification is one of the following forms: +.(b F +.b S= \c +.b inet \c +.b : +.i port +.b @ +.i host +.)b +.(b F +.b S= \c +.b inet6 \c +.b : +.i port +.b @ +.i host +.)b +.(b F +.b S= \c +.b local \c +.b : +.i path +.)b +The first two describe an IPv4 or IPv6 socket listening on a certain +.i port +at a given +.i host +or IP address. +The final form describes a named socket on the filesystem at the given +.i path . +.pp +The following flags may be set in the filter description. +.nr ii 4n +.ip R +Reject connection if filter unavailable. +.ip T +Temporary fail connection if filter unavailable. +.pp +If neither F=R nor F=T is specified, the message is passed through +.i sendmail +in case of filter errors as if the failing filters were not present. +.pp +The timeouts can be set using the four fields inside of the +.b T= +equate: +.nr ii 4n +.ip C +Timeout for connecting to a filter. +If set to 0, the system's +.i connect() +timeout will be used. +.ip S +Timeout for sending information from the MTA to a filter. +.ip R +Timeout for reading reply from the filter. +.ip E +Overall timeout between sending end-of-message to filter and waiting for +the final acknowledgment. +.pp +Note the separator between each timeout field is a +.b ';' . +The default values (if not set) are: +.b T=C:5m;S:10s;R:10s;E:5m +where +.b s +is seconds and +.b m +is minutes. +.pp +Examples: +.(b +Xfilter1, S=local:/var/run/f1.sock, F=R +Xfilter2, S=inet6:999@localhost, F=T, T=S:1s;R:1s;E:5m +Xfilter3, S=inet:3333@localhost, T=C:2m +.)b +.sh 2 "The User Database" +.pp +The user database is deprecated in favor of ``virtusertable'' +and ``genericstable'' as explained in the file +.b cf/README . +If you have a version of +.i sendmail +with the user database package +compiled in, +the handling of sender and recipient addresses +is modified. +.pp +The location of this database is controlled with the +.b UserDatabaseSpec +option. +.sh 3 "Structure of the user database" +.pp +The database is a sorted (BTree-based) structure. +User records are stored with the key: +.(b +\fIuser-name\fP\fB:\fP\fIfield-name\fP +.)b +The sorted database format ensures that user records are clustered together. +Meta-information is always stored with a leading colon. +.pp +Field names define both the syntax and semantics of the value. +Defined fields include: +.nr ii 1i +.ip maildrop +The delivery address for this user. +There may be multiple values of this record. +In particular, +mailing lists will have one +.i maildrop +record for each user on the list. +.ip "mailname" +The outgoing mailname for this user. +For each outgoing name, +there should be an appropriate +.i maildrop +record for that name to allow return mail. +See also +.i :default:mailname . +.ip mailsender +Changes any mail sent to this address to have the indicated envelope sender. +This is intended for mailing lists, +and will normally be the name of an appropriate -request address. +It is very similar to the owner-\c +.i list +syntax in the alias file. +.ip fullname +The full name of the user. +.ip office-address +The office address for this user. +.ip office-phone +The office phone number for this user. +.ip office-fax +The office FAX number for this user. +.ip home-address +The home address for this user. +.ip home-phone +The home phone number for this user. +.ip home-fax +The home FAX number for this user. +.ip project +A (short) description of the project this person is affiliated with. +In the University this is often just the name of their graduate advisor. +.ip plan +A pointer to a file from which plan information can be gathered. +.pp +As of this writing, +only a few of these fields are actually being used by +.i sendmail : +.i maildrop +and +.i mailname . +A +.i finger +program that uses the other fields is planned. +.sh 3 "User database semantics" +.pp +When the rewriting rules submit an address to the local mailer, +the user name is passed through the alias file. +If no alias is found (or if the alias points back to the same address), +the name (with +.q :maildrop +appended) +is then used as a key in the user database. +If no match occurs (or if the maildrop points at the same address), +forwarding is tried. +.pp +If the first token of the user name returned by ruleset 0 +is an +.q @ +sign, the user database lookup is skipped. +The intent is that the user database will act as a set of defaults +for a cluster (in our case, the Computer Science Division); +mail sent to a specific machine should ignore these defaults. +.pp +When mail is sent, +the name of the sending user is looked up in the database. +If that user has a +.q mailname +record, +the value of that record is used as their outgoing name. +For example, I might have a record: +.(b +eric:mailname Eric.Allman@CS.Berkeley.EDU +.)b +This would cause my outgoing mail to be sent as Eric.Allman. +.pp +If a +.q maildrop +is found for the user, +but no corresponding +.q mailname +record exists, +the record +.q :default:mailname +is consulted. +If present, this is the name of a host to override the local host. +For example, in our case we would set it to +.q CS.Berkeley.EDU . +The effect is that anyone known in the database +gets their outgoing mail stamped as +.q user@CS.Berkeley.EDU , +but people not listed in the database use the local hostname. +.sh 3 "Creating the database\**" +.(f +\**These instructions are known to be incomplete. +Other features are available which provide similar functionality, +e.g., virtual hosting and mapping local addresses into a +generic form as explained in cf/README. +.)f +.pp +The user database is built from a text file +using the +.i makemap +utility +(in the distribution in the makemap subdirectory). +The text file is a series of lines corresponding to userdb records; +each line has a key and a value separated by white space. +The key is always in the format described above \*- +for example: +.(b +eric:maildrop +.)b +This file is normally installed in a system directory; +for example, it might be called +.i /etc/mail/userdb . +To make the database version of the map, run the program: +.(b +makemap btree /etc/mail/userdb < /etc/mail/userdb +.)b +Then create a config file that uses this. +For example, using the V8 M4 configuration, include the +following line in your .mc file: +.(b +define(\`confUSERDB_SPEC\', /etc/mail/userdb) +.)b +.sh 1 "OTHER CONFIGURATION" +.pp +There are some configuration changes that can be made by +recompiling +.i sendmail . +This section describes what changes can be made +and what has to be modified to make them. +In most cases this should be unnecessary +unless you are porting +.i sendmail +to a new environment. +.sh 2 "Parameters in devtools/OS/$oscf" +.pp +These parameters are intended to describe the compilation environment, +not site policy, +and should normally be defined in the operating system +configuration file. +.b "This section needs a complete rewrite." +.ip NDBM +If set, +the new version of the DBM library +that allows multiple databases will be used. +If neither NDBM nor NEWDB are set, +a much less efficient method of alias lookup is used. +.ip NEWDB +If set, use the new database package from Berkeley (from 4.4BSD). +This package is substantially faster than DBM or NDBM. +If NEWDB and NDBM are both set, +.i sendmail +will read DBM files, +but will create and use NEWDB files. +.ip NIS +Include support for NIS. +If set together with +.i both +NEWDB and NDBM, +.i sendmail +will create both DBM and NEWDB files if and only if +an alias file includes the substring +.q /yp/ +in the name. +This is intended for compatibility with Sun Microsystems' +.i mkalias +program used on YP masters. +.ip NISPLUS +Compile in support for NIS+. +.ip NETINFO +Compile in support for NetInfo (NeXT stations). +.ip LDAPMAP +Compile in support for LDAP X500 queries. +Requires libldap and liblber +from the Umich LDAP 3.2 or 3.3 release +or equivalent libraries for other LDAP libraries +such as OpenLDAP. +.ip HESIOD +Compile in support for Hesiod. +.ip MAP_NSD +Compile in support for IRIX NSD lookups. +.ip MAP_REGEX +Compile in support for regular expression matching. +.ip DNSMAP +Compile in support for DNS map lookups in the +.i sendmail.cf +file. +.ip PH_MAP +Compile in support for ph lookups. +.ip SASL +Compile in support for SASL, +a required component for SMTP Authentication support. +.ip STARTTLS +Compile in support for STARTTLS. +.ip EGD +Compile in support for the "Entropy Gathering Daemon" +to provide better random data for TLS. +.ip TCPWRAPPERS +Compile in support for TCP Wrappers. +.ip _PATH_SENDMAILCF +The pathname of the sendmail.cf file. +.ip _PATH_SENDMAILPID +The pathname of the sendmail.pid file. +.ip SM_CONF_SHM +Compile in support for shared memory, see section about +"/var/spool/mqueue". +.ip MILTER +Compile in support for contacting external mail filters built with the +Milter API. +.pp +There are also several compilation flags to indicate the environment +such as +.q _AIX3 +and +.q _SCO_unix_ . +See the sendmail/README +file for the latest scoop on these flags. +.sh 2 "Parameters in sendmail/conf.h" +.pp +Parameters and compilation options +are defined in conf.h. +Most of these need not normally be tweaked; +common parameters are all in sendmail.cf. +However, the sizes of certain primitive vectors, etc., +are included in this file. +The numbers following the parameters +are their default value. +.pp +This document is not the best source of information +for compilation flags in conf.h \(em +see sendmail/README or sendmail/conf.h itself. +.nr ii 1.2i +.ip "MAXLINE [2048]" +The maximum line length of any input line. +If message lines exceed this length +they will still be processed correctly; +however, header lines, +configuration file lines, +alias lines, +etc., +must fit within this limit. +.ip "MAXNAME [256]" +The maximum length of any name, +such as a host or a user name. +.ip "MAXPV [256]" +The maximum number of parameters to any mailer. +This limits the number of recipients that may be passed in one transaction. +It can be set to any arbitrary number above about 10, +since +.i sendmail +will break up a delivery into smaller batches as needed. +A higher number may reduce load on your system, however. +.ip "MAXQUEUEGROUPS [50]" +The maximum number of queue groups. +.ip "MAXATOM [1000]" +The maximum number of atoms +(tokens) +in a single address. +For example, +the address +.q "eric@CS.Berkeley.EDU" +is seven atoms. +.ip "MAXMAILERS [25]" +The maximum number of mailers that may be defined +in the configuration file. +This value is defined in include/sendmail/sendmail.h. +.ip "MAXRWSETS [200]" +The maximum number of rewriting sets +that may be defined. +The first half of these are reserved for numeric specification +(e.g., ``S92''), +while the upper half are reserved for auto-numbering +(e.g., ``Sfoo''). +Thus, with a value of 200 an attempt to use ``S99'' will succeed, +but ``S100'' will fail. +.ip "MAXPRIORITIES [25]" +The maximum number of values for the +.q Precedence: +field that may be defined +(using the +.b P +line in sendmail.cf). +.ip "MAXUSERENVIRON [100]" +The maximum number of items in the user environment +that will be passed to subordinate mailers. +.ip "MAXMXHOSTS [100]" +The maximum number of MX records we will accept for any single host. +.ip "MAXMAPSTACK [12]" +The maximum number of maps that may be "stacked" in a +.b sequence +class map. +.ip "MAXMIMEARGS [20]" +The maximum number of arguments in a MIME Content-Type: header; +additional arguments will be ignored. +.ip "MAXMIMENESTING [20]" +The maximum depth to which MIME messages may be nested +(that is, nested Message or Multipart documents; +this does not limit the number of components in a single Multipart document). +.ip "MAXDAEMONS [10]" +The maximum number of sockets sendmail will open for accepting connections +on different ports. +.ip "MAXMACNAMELEN [25]" +The maximum length of a macro name. +.lp +A number of other compilation options exist. +These specify whether or not specific code should be compiled in. +Ones marked with \(dg +are 0/1 valued. +.nr ii 1.2i +.ip NETINET\(dg +If set, +support for Internet protocol networking is compiled in. +Previous versions of +.i sendmail +referred to this as +.sm DAEMON ; +this old usage is now incorrect. +Defaults on; +turn it off in the Makefile +if your system doesn't support the Internet protocols. +.ip NETINET6\(dg +If set, +support for IPv6 networking is compiled in. +It must be separately enabled by adding +.b DaemonPortOptions +settings. +.ip NETISO\(dg +If set, +support for ISO protocol networking is compiled in +(it may be appropriate to #define this in the Makefile instead of conf.h). +.ip NETUNIX\(dg +If set, +support for UNIX domain sockets is compiled in. +This is used for control socket support. +.ip LOG +If set, +the +.i syslog +routine in use at some sites is used. +This makes an informational log record +for each message processed, +and makes a higher priority log record +for internal system errors. +.b "STRONGLY RECOMMENDED" +\(em if you want no logging, turn it off in the configuration file. +.ip MATCHGECOS\(dg +Compile in the code to do ``fuzzy matching'' on the GECOS field +in /etc/passwd. +This also requires that the +.b MatchGECOS +option be turned on. +.ip NAMED_BIND\(dg +Compile in code to use the +Berkeley Internet Name Domain (BIND) server +to resolve TCP/IP host names. +.ip NOTUNIX +If you are using a non-UNIX mail format, +you can set this flag to turn off special processing +of UNIX-style +.q "From " +lines. +.ip USERDB\(dg +Include the +.b experimental +Berkeley user information database package. +This adds a new level of local name expansion +between aliasing and forwarding. +It also uses the NEWDB package. +This may change in future releases. +.lp +The following options are normally turned on +in per-operating-system clauses in conf.h. +.ip IDENTPROTO\(dg +Compile in the IDENT protocol as defined in RFC 1413. +This defaults on for all systems except Ultrix, +which apparently has the interesting +.q feature +that when it receives a +.q "host unreachable" +message it closes all open connections to that host. +Since some firewall gateways send this error code +when you access an unauthorized port (such as 113, used by IDENT), +Ultrix cannot receive email from such hosts. +.ip SYSTEM5 +Set all of the compilation parameters appropriate for System V. +.ip HASFLOCK\(dg +Use Berkeley-style +.b flock +instead of System V +.b lockf +to do file locking. +Due to the highly unusual semantics of locks +across forks in +.b lockf , +this should always be used if at all possible. +.ip HASINITGROUPS +Set this if your system has the +.i initgroups() +call +(if you have multiple group support). +This is the default if SYSTEM5 is +.i not +defined or if you are on HPUX. +.ip HASUNAME +Set this if you have the +.i uname (2) +system call (or corresponding library routine). +Set by default if +SYSTEM5 +is set. +.ip HASGETDTABLESIZE +Set this if you have the +.i getdtablesize (2) +system call. +.ip HASWAITPID +Set this if you have the +.i haswaitpid (2) +system call. +.ip FAST_PID_RECYCLE +Set this if your system can possibly +reuse the same pid in the same second of time. +.ip SFS_TYPE +The mechanism that can be used to get file system capacity information. +The values can be one of +SFS_USTAT (use the ustat(2) syscall), +SFS_4ARGS (use the four argument statfs(2) syscall), +SFS_VFS (use the two argument statfs(2) syscall including ), +SFS_MOUNT (use the two argument statfs(2) syscall including ), +SFS_STATFS (use the two argument statfs(2) syscall including ), +SFS_STATVFS (use the two argument statfs(2) syscall including ), +or +SFS_NONE (no way to get this information). +.ip LA_TYPE +The load average type. +Details are described below. +.lp +The are several built-in ways of computing the load average. +.i Sendmail +tries to auto-configure them based on imperfect guesses; +you can select one using the +.i cc +option +.b \-DLA_TYPE= \c +.i type , +where +.i type +is: +.ip LA_INT +The kernel stores the load average in the kernel as an array of long integers. +The actual values are scaled by a factor FSCALE +(default 256). +.ip LA_SHORT +The kernel stores the load average in the kernel as an array of short integers. +The actual values are scaled by a factor FSCALE +(default 256). +.ip LA_FLOAT +The kernel stores the load average in the kernel as an array of +double precision floats. +.ip LA_MACH +Use MACH-style load averages. +.ip LA_SUBR +Call the +.i getloadavg +routine to get the load average as an array of doubles. +.ip LA_ZERO +Always return zero as the load average. +This is the fallback case. +.lp +If type +.sm LA_INT , +.sm LA_SHORT , +or +.sm LA_FLOAT +is specified, +you may also need to specify +.sm _PATH_UNIX +(the path to your system binary) +and +.sm LA_AVENRUN +(the name of the variable containing the load average in the kernel; +usually +.q _avenrun +or +.q avenrun ). +.sh 2 "Configuration in sendmail/conf.c" +.pp +The following changes can be made in conf.c. +.sh 3 "Built-in Header Semantics" +.pp +Not all header semantics are defined in the configuration file. +Header lines that should only be included by certain mailers +(as well as other more obscure semantics) +must be specified in the +.i HdrInfo +table in +.i conf.c . +This table contains the header name +(which should be in all lower case) +and a set of header control flags (described below), +The flags are: +.ip H_ACHECK +Normally when the check is made to see if a header line is compatible +with a mailer, +.i sendmail +will not delete an existing line. +If this flag is set, +.i sendmail +will delete +even existing header lines. +That is, +if this bit is set and the mailer does not have flag bits set +that intersect with the required mailer flags +in the header definition in +sendmail.cf, +the header line is +.i always +deleted. +.ip H_EOH +If this header field is set, +treat it like a blank line, +i.e., +it will signal the end of the header +and the beginning of the message text. +.ip H_FORCE +Add this header entry +even if one existed in the message before. +If a header entry does not have this bit set, +.i sendmail +will not add another header line if a header line +of this name already existed. +This would normally be used to stamp the message +by everyone who handled it. +.ip H_TRACE +If set, +this is a timestamp +(trace) +field. +If the number of trace fields in a message +exceeds a preset amount +the message is returned +on the assumption that it has an aliasing loop. +.ip H_RCPT +If set, +this field contains recipient addresses. +This is used by the +.b \-t +flag to determine who to send to +when it is collecting recipients from the message. +.ip H_FROM +This flag indicates that this field +specifies a sender. +The order of these fields in the +.i HdrInfo +table specifies +.i sendmail 's +preference +for which field to return error messages to. +.ip H_ERRORSTO +Addresses in this header should receive error messages. +.ip H_CTE +This header is a Content-Transfer-Encoding header. +.ip H_CTYPE +This header is a Content-Type header. +.ip H_STRIPVAL +Strip the value from the header (for Bcc:). +.nr ii 5n +.lp +Let's look at a sample +.i HdrInfo +specification: +.(b +.ta 4n +\w'"content-transfer-encoding", 'u +struct hdrinfo HdrInfo[] = +\&{ + /* originator fields, most to least significant */ + "resent-sender", H_FROM, + "resent-from", H_FROM, + "sender", H_FROM, + "from", H_FROM, + "full-name", H_ACHECK, + "errors-to", H_FROM\^|\^H_ERRORSTO, + /* destination fields */ + "to", H_RCPT, + "resent-to", H_RCPT, + "cc", H_RCPT, + "bcc", H_RCPT\^|\^H_STRIPVAL, + /* message identification and control */ + "message", H_EOH, + "text", H_EOH, + /* trace fields */ + "received", H_TRACE\^|\^H_FORCE, + /* miscellaneous fields */ + "content-transfer-encoding", H_CTE, + "content-type", H_CTYPE, + + NULL, 0, +}; +.)b +This structure indicates that the +.q To: , +.q Resent-To: , +and +.q Cc: +fields +all specify recipient addresses. +Any +.q Full-Name: +field will be deleted unless the required mailer flag +(indicated in the configuration file) +is specified. +The +.q Message: +and +.q Text: +fields will terminate the header; +these are used by random dissenters around the network world. +The +.q Received: +field will always be added, +and can be used to trace messages. +.pp +There are a number of important points here. +First, +header fields are not added automatically just because they are in the +.i HdrInfo +structure; +they must be specified in the configuration file +in order to be added to the message. +Any header fields mentioned in the configuration file but not +mentioned in the +.i HdrInfo +structure have default processing performed; +that is, +they are added unless they were in the message already. +Second, +the +.i HdrInfo +structure only specifies cliched processing; +certain headers are processed specially by ad hoc code +regardless of the status specified in +.i HdrInfo . +For example, +the +.q Sender: +and +.q From: +fields are always scanned on ARPANET mail +to determine the sender\**; +.(f +\**Actually, this is no longer true in SMTP; +this information is contained in the envelope. +The older ARPANET protocols did not completely distinguish +envelope from header. +.)f +this is used to perform the +.q "return to sender" +function. +The +.q "From:" +and +.q "Full-Name:" +fields are used to determine the full name of the sender +if possible; +this is stored in the macro +.b $x +and used in a number of ways. +.sh 3 "Restricting Use of Email" +.pp +If it is necessary to restrict mail through a relay, +the +.i checkcompat +routine can be modified. +This routine is called for every recipient address. +It returns an exit status +indicating the status of the message. +The status +.sm EX_OK +accepts the address, +.sm EX_TEMPFAIL +queues the message for a later try, +and other values +(commonly +.sm EX_UNAVAILABLE ) +reject the message. +It is up to +.i checkcompat +to print an error message +(using +.i usrerr ) +if the message is rejected. +For example, +.i checkcompat +could read: +.(b +.re +.sz -1 +.ta 4n +4n +4n +4n +4n +4n +4n +int +checkcompat(to, e) + register ADDRESS *to; + register ENVELOPE *e; +\&{ + register STAB *s; + + s = stab("private", ST_MAILER, ST_FIND); + if (s != NULL && e\->e_from.q_mailer != LocalMailer && + to->q_mailer == s->s_mailer) + { + usrerr("No private net mail allowed through this machine"); + return (EX_UNAVAILABLE); + } + if (MsgSize > 50000 && bitnset(M_LOCALMAILER, to\->q_mailer)) + { + usrerr("Message too large for non-local delivery"); + e\->e_flags |= EF_NORETURN; + return (EX_UNAVAILABLE); + } + return (EX_OK); +} +.sz +.)b +This would reject messages greater than 50000 bytes +unless they were local. +The +.i EF_NORETURN +flag can be set in +.i e\(->e_flags +to suppress the return of the actual body +of the message in the error return. +The actual use of this routine is highly dependent on the +implementation, +and use should be limited. +.sh 3 "New Database Map Classes" +.pp +New key maps can be added by creating a class initialization function +and a lookup function. +These are then added to the routine +.i setupmaps. +.pp +The initialization function is called as +.(b +\fIxxx\fP_map_init(MAP *map, char *args) +.)b +The +.i map +is an internal data structure. +The +.i args +is a pointer to the portion of the configuration file line +following the map class name; +flags and filenames can be extracted from this line. +The initialization function must return +.sm true +if it successfully opened the map, +.sm false +otherwise. +.pp +The lookup function is called as +.(b +\fIxxx\fP_map_lookup(MAP *map, char buf[], char **av, int *statp) +.)b +The +.i map +defines the map internally. +The +.i buf +has the input key. +This may be (and often is) used destructively. +The +.i av +is a list of arguments passed in from the rewrite line. +The lookup function should return a pointer to the new value. +If the map lookup fails, +.i *statp +should be set to an exit status code; +in particular, it should be set to +.sm EX_TEMPFAIL +if recovery is to be attempted by the higher level code. +.sh 3 "Queueing Function" +.pp +The routine +.i shouldqueue +is called to decide if a message should be queued +or processed immediately. +Typically this compares the message priority to the current load average. +The default definition is: +.(b +bool +shouldqueue(pri, ctime) + long pri; + time_t ctime; +{ + if (CurrentLA < QueueLA) + return false; + return (pri > (QueueFactor / (CurrentLA \- QueueLA + 1))); +} +.)b +If the current load average +(global variable +.i CurrentLA , +which is set before this function is called) +is less than the low threshold load average +(option +.b x , +variable +.i QueueLA ), +.i shouldqueue +returns +.sm false +immediately +(that is, it should +.i not +queue). +If the current load average exceeds the high threshold load average +(option +.b X , +variable +.i RefuseLA ), +.i shouldqueue +returns +.sm true +immediately. +Otherwise, it computes the function based on the message priority, +the queue factor +(option +.b q , +global variable +.i QueueFactor ), +and the current and threshold load averages. +.pp +An implementation wishing to take the actual age of the message into account +can also use the +.i ctime +parameter, +which is the time that the message was first submitted to +.i sendmail . +Note that the +.i pri +parameter is already weighted +by the number of times the message has been tried +(although this tends to lower the priority of the message with time); +the expectation is that the +.i ctime +would be used as an +.q "escape clause" +to ensure that messages are eventually processed. +.sh 3 "Refusing Incoming SMTP Connections" +.pp +The function +.i refuseconnections +returns +.sm true +if incoming SMTP connections should be refused. +The current implementation is based exclusively on the current load average +and the refuse load average option +(option +.b X , +global variable +.i RefuseLA ): +.(b +bool +refuseconnections() +{ + return (RefuseLA > 0 && CurrentLA >= RefuseLA); +} +.)b +A more clever implementation +could look at more system resources. +.sh 3 "Load Average Computation" +.pp +The routine +.i getla +returns the current load average (as a rounded integer). +The distribution includes several possible implementations. +If you are porting to a new environment +you may need to add some new tweaks.\** +.(f +\**If you do, please send updates to +sendmail@Sendmail.ORG. +.)f +.sh 2 "Configuration in sendmail/daemon.c" +.pp +The file +.i sendmail/daemon.c +contains a number of routines that are dependent +on the local networking environment. +The version supplied assumes you have BSD style sockets. +.pp +In previous releases, +we recommended that you modify the routine +.i maphostname +if you wanted to generalize +.b $[ +\&...\& +.b $] +lookups. +We now recommend that you create a new keyed map instead. +.sh 2 "LDAP" +.pp +In this section we assume that +.i sendmail +has been compiled with support for LDAP. +.sh 3 "LDAP Recursion" +.pp +LDAP Recursion allows you to add types to the search attributes on an +LDAP map specification. +The syntax is: +.ip "\-v \fIATTRIBUTE\fP[:\fITYPE\fP[:\fIOBJECTCLASS\fP[|\fIOBJECTCLASS\fP|...]]] +.pp +The new \fITYPE\fPs are: +.nr ii 1i +.ip NORMAL +This attribute type specifies the attribute to add to the results string. +This is the default. +.ip DN +Any matches for this attribute are expected to have a value of a +fully qualified distinguished name. +.i sendmail +will lookup that DN and apply the attributes requested to the +returned DN record. +.ip FILTER +Any matches for this attribute are expected to have a value of an +LDAP search filter. +.i sendmail +will perform a lookup with the same parameters as the original +search but replaces the search filter with the one specified here. +.ip URL +Any matches for this attribute are expected to have a value of an LDAP URL. +.i sendmail +will perform a lookup of that URL and use the results from the attributes +named in that URL. +Note however that the search is done using the current LDAP connection, +regardless of what is specified as the scheme, LDAP host, and LDAP +port in the LDAP URL. +.lp +Any untyped attributes are considered +.sm NORMAL +attributes as described above. +.pp +The optional \fIOBJECTCLASS\fP (| separated) list contains the +objectClass values for which that attribute applies. +If the list is given, +the attribute named will only be used if the LDAP record being returned is a +member of that object class. +Note that if these new value attribute \fITYPE\fPs are used in an +AliasFile +option setting, it will need to be double quoted to prevent +.i sendmail +from misparsing the colons. +.pp +Note that LDAP recursion attributes which do not ultimately point to an +LDAP record are not considered an error. +.sh 4 "Example" +.pp +Since examples usually help clarify, here is an example which uses all +four of the new types: +.(b +O LDAPDefaultSpec=-h ldap.example.com -b dc=example,dc=com + +Kexample ldap + -z, + -k (&(objectClass=sendmailMTAAliasObject)(sendmailMTAKey=%0)) + -v sendmailMTAAliasValue,mail:NORMAL:inetOrgPerson, + uniqueMember:DN:groupOfUniqueNames, + sendmailMTAAliasSearch:FILTER:sendmailMTAAliasObject, + sendmailMTAAliasURL:URL:sendmailMTAAliasObject +.)b +.pp +That definition specifies that: +.bu +Any value in a +.sm sendmailMTAAliasValue +attribute will be added to the result string regardless of object class. +.bu +The +.sm mail +attribute will be added to the result string if +the LDAP record is a member of the +.sm inetOrgPerson +object class. +.bu +The +.sm uniqueMember +attribute is a recursive attribute, used only in +.sm groupOfUniqueNames +records, and should contain an LDAP DN pointing to another LDAP record. +The desire here is to return the +.sm mail +attribute from those DNs. +.bu +The +.sm sendmailMTAAliasSearch +attribute and +.sm sendmailMTAAliasURL +are both used only if referenced in a +.sm sendmailMTAAliasObject . +They are both recursive, the first for a new LDAP search string and the +latter for an LDAP URL. +.sh 2 "STARTTLS" +.pp +In this section we assume that +.i sendmail +has been compiled with support for STARTTLS. +To properly understand the use of STARTTLS in +.i sendmail , +it is necessary to understand at least some basics about X.509 certificates +and public key cryptography. +This information can be found in books about SSL/TLS +or on WWW sites, e.g., +.q http://www.OpenSSL.org/ . +.sh 3 "Certificates for STARTTLS" +.pp +When acting as a server, +.i sendmail +requires X.509 certificates to support STARTTLS: +one as certificate for the server (ServerCertFile and corresponding +private ServerKeyFile) +at least one root CA (CACertFile), +i.e., a certificate that is used to sign other certificates, +and a path to a directory which contains other CAs (CACertPath). +The file specified via +CACertFile +can contain several certificates of CAs. +The DNs of these certificates are sent +to the client during the TLS handshake (as part of the +CertificateRequest) as the list of acceptable CAs. +However, do not list too many root CAs in that file, otherwise +the TLS handshake may fail; e.g., +.(b +error:14094417:SSL routines:SSL3_READ_BYTES: +sslv3 alert illegal parameter:s3_pkt.c:964:SSL alert number 47 +.)b +You should probably put only the CA cert into that file +that signed your own cert(s), or at least only those you trust. +The CACertPath directory must contain the hashes of each CA certificate +as filenames (or as links to them). +Symbolic links can be generated with the following +two (Bourne) shell commands: +.(b +C=FileName_of_CA_Certificate +ln -s $C `openssl x509 -noout -hash < $C`.0 +.)b +An X.509 certificate is also required for authentication in client mode +(ClientCertFile and corresponding private ClientKeyFile), however, +.i sendmail +will always use STARTTLS when offered by a server. +The client and server certificates can be identical. +Certificates can be obtained from a certificate authority +or created with the help of OpenSSL. +The required format for certificates and private keys is PEM. +To allow for automatic startup of sendmail, private keys +(ServerKeyFile, ClientKeyFile) +must be stored unencrypted. +The keys are only protected by the permissions of the file system. +Never make a private key available to a third party. +.sh 3 "PRNG for STARTTLS" +.pp +STARTTLS requires a strong pseudo random number generator (PRNG) +to operate properly. +Depending on the TLS library you use, it may be required to explicitly +initialize the PRNG with random data. +OpenSSL makes use of +.b /dev/urandom(4) +if available (this corresponds to the compile flag HASURANDOMDEV). +On systems which lack this support, a random file must be specified in the +.i sendmail.cf +file using the option RandFile. +It is +.b strongly +advised to use the "Entropy Gathering Daemon" EGD +from Brian Warner on those systems to provide useful random data. +In this case, +.i sendmail +must be compiled with the flag EGD, and the +RandFile option must point to the EGD socket. +If neither +.b /dev/urandom(4) +nor EGD are available, you have to make sure +that useful random data is available all the time in RandFile. +If the file hasn't been modified in the last 10 minutes before +it is supposed to be used by +.i sendmail +the content is considered obsolete. +One method for generating this file is: +.(b +openssl rand -out /etc/mail/randfile -rand \c +.i /path/to/file:... \c +256 +.)b +See the OpenSSL documentation for more information. +In this case, the PRNG for TLS is only +seeded with other random data if the +.b DontBlameSendmail +option +.b InsufficientEntropy +is set. +This is most likely not sufficient for certain actions, e.g., +generation of (temporary) keys. +.pp +Please see the OpenSSL documentation or other sources +for further information about certificates, their creation and their usage, +the importance of a good PRNG, and other aspects of TLS. +.sh 2 "Encoding of STARTTLS and AUTH related Macros" +.pp +Macros that contain STARTTLS and AUTH related data which comes from outside +sources, e.g., all macros containing information from certificates, +are encoded to avoid problems with non-printable or special characters. +The latter are '\\', '<', '>', '(', ')', '"', '+', and ' '. +All of these characters are replaced by their value in hexadecimal +with a leading '+'. +For example: +.(b +/C=US/ST=California/O=endmail.org/OU=private/CN=Darth Mail (Cert)/ +Email=darth+cert@endmail.org +.)b +is encoded as: +.(b +/C=US/ST=California/O=endmail.org/OU=private/ +CN=Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.org +.)b +(line breaks have been inserted for readability). +The macros which are subject to this encoding are +{cert_subject}, {cert_issuer}, {cn_subject}, {cn_issuer}, +as well as +{auth_authen} and {auth_author}. +.sh 1 "ACKNOWLEDGEMENTS" +.pp +I've worked on +.i sendmail +for many years, +and many employers have been remarkably patient +about letting me work on a large project +that was not part of my official job. +This includes time on the INGRES Project at +the University of California at Berkeley, +at Britton Lee, +and again on the Mammoth and Titan Projects at Berkeley. +.pp +Much of the second wave of improvements +resulting in version 8.1 +should be credited to Bryan Costales of the +International Computer Science Institute. +As he passed me drafts of his book on +.i sendmail +I was inspired to start working on things again. +Bryan was also available to bounce ideas off of. +.pp +Gregory Neil Shapiro +of Worcester Polytechnic Institute +has become instrumental in all phases of +.i sendmail +support and development, +and was largely responsible for getting versions 8.8 and 8.9 +out the door. +.pp +Many, many people contributed chunks of code and ideas to +.i sendmail . +It has proven to be a group network effort. +Version 8 in particular was a group project. +The following people and organizations made notable contributions: +.(l +Claus Assmann +John Beck, Hewlett-Packard & Sun Microsystems +Keith Bostic, CSRG, University of California, Berkeley +Andrew Cheng, Sun Microsystems +Michael J. Corrigan, University of California, San Diego +Bryan Costales, International Computer Science Institute & InfoBeat +Pa\*:r (Pell) Emanuelsson +Craig Everhart, Transarc Corporation +Per Hedeland, Ericsson +Tom Ivar Helbekkmo, Norwegian School of Economics +Kari Hurtta, Finnish Meteorological Institute +Allan E. Johannesen, WPI +Jonathan Kamens, OpenVision Technologies, Inc. +Takahiro Kanbe, Fuji Xerox Information Systems Co., Ltd. +Brian Kantor, University of California, San Diego +John Kennedy, Cal State University, Chico +Murray S. Kucherawy, HookUp Communication Corp. +Bruce Lilly, Sony U.S. +Karl London +Motonori Nakamura, Ritsumeikan University & Kyoto University +John Gardiner Myers, Carnegie Mellon University +Neil Rickert, Northern Illinois University +Gregory Neil Shapiro, WPI +Eric Schnoebelen, Convex Computer Corp. +Eric Wassenaar, National Institute for Nuclear and High Energy Physics, Amsterdam +Randall Winchester, University of Maryland +Christophe Wolfhugel, Pasteur Institute & Herve Schauer Consultants (Paris) +Exactis.com, Inc. +.)l +I apologize for anyone I have omitted, misspelled, misattributed, or +otherwise missed. +At this point, I suspect that at least a hundred people +have contributed code, +and many more have contributed ideas, comments, and encouragement. +I've tried to list them in the RELEASE_NOTES in the distribution directory. +I appreciate their contribution as well. +.pp +Special thanks are reserved for Michael Corrigan and Christophe Wolfhugel, +who besides being wonderful guinea pigs and contributors +have also consented to be added to the ``sendmail@Sendmail.ORG'' list +and, by answering the bulk of the questions sent to that list, +have freed me up to do other work. +.++ A +.+c "COMMAND LINE FLAGS" +.ba 0 +.nr ii 1i +.pp +Arguments must be presented with flags before addresses. +The flags are: +.ip \-A\fIx\fP +Select an alternative .cf file which is either +.i sendmail.cf +for +.b \-Am +or +.i submit.cf +for +.b \-Ac . +By default the .cf file is chosen based on the operation mode. +For +.b -bm +(default), +.b -bs , +and +.b -t +it is +.i submit.cf +if it exists, for all others it is +.i sendmail.cf . +.ip \-b\fIx\fP +Set operation mode to +.i x . +Operation modes are: +.(b +.ta 4n +m Deliver mail (default) +s Speak SMTP on input side +a\(dg ``Arpanet'' mode (get envelope sender information from header) +d Run as a daemon in background +D Run as a daemon in foreground +t Run in test mode +v Just verify addresses, don't collect or deliver +i Initialize the alias database +p Print the mail queue +P Print overview over the mail queue (requires shared memory) +h Print the persistent host status database +H Purge expired entries from the persistent host status database +.)b +.(f +\(dgDeprecated. +.)f +.ip \-B\fItype\fP +Indicate body type. +.ip \-C\fIfile\fP +Use a different configuration file. +.i Sendmail +runs as the invoking user (rather than root) +when this flag is specified. +.ip "\-D \fIlogfile\fP" +Send debugging output to the indicated +.i logfile +instead of stdout. +.ip \-d\fIlevel\fP +Set debugging level. +.ip "\-f\ \fIaddr\fP" +The envelope sender address is set to +.i addr . +This address may also be used in the From: header +if that header is missing during initial submission. +The envelope sender address is used as the recipient +for delivery status notifications +and may also appear in a Return-Path: header. +.ip \-F\ \fIname\fP +Sets the full name of this user to +.i name . +.ip \-G +When accepting messages via the command line, +indicate that they are for relay (gateway) submission. +sendmail may complain about syntactically invalid messages, +e.g., unqualified host names, +rather than fixing them when this flag is set. +sendmail will not do any canonicalization in this mode. +.ip "\-h\ \fIcnt\fP" +Sets the +.q "hop count" +to +.i cnt . +This represents the number of times this message has been processed +by +.i sendmail +(to the extent that it is supported by the underlying networks). +.i Cnt +is incremented during processing, +and if it reaches +MAXHOP +(currently 25) +.i sendmail +throws away the message with an error. +.ip "\-L \fItag\fP" +Sets the identifier used for syslog. +Note that this identifier is set +as early as possible. +However, +.i sendmail +may be used +if problems arise +before the command line arguments +are processed. +.ip \-n +Don't do aliasing or forwarding. +.ip "\-N \fInotifications\fP" +Tag all addresses being sent as wanting the indicated +.i notifications , +which consists of the word +.q NEVER +or a comma-separated list of +.q SUCCESS , +.q FAILURE , +and +.q DELAY +for successful delivery, +failure, +and a message that is stuck in a queue somewhere. +The default is +.q FAILURE,DELAY . +.ip "\-r\ \fIaddr\fP" +An obsolete form of +.b \-f . +.ip \-o\fIx\|value\fP +Set option +.i x +to the specified +.i value . +These options are described in Section 5.6. +.ip \-O\fIoption\fP\fB=\fP\fIvalue\fP +Set +.i option +to the specified +.i value +(for long form option names). +These options are described in Section 5.6. +.ip \-M\fIx\|value\fP +Set macro +.i x +to the specified +.i value . +.ip \-p\fIprotocol\fP +Set the sending protocol. +Programs are encouraged to set this. +The protocol field can be in the form +.i protocol \c +.b : \c +.i host +to set both the sending protocol and sending host. +For example, +.q \-pUUCP:uunet +sets the sending protocol to UUCP +and the sending host to uunet. +(Some existing programs use \-oM to set the r and s macros; +this is equivalent to using \-p.) +.ip \-q\fItime\fP +Try to process the queued up mail. +If the time is given, +a +.i sendmail +will start one or more processes to run through the queue(s) at the specified +time interval to deliver queued mail; otherwise, it only runs once. +Each of these processes acts on a workgroup. +These processes are also known as workgroup processes or WGP's for short. +Each workgroup is responsible for controlling the processing of one or +more queues; workgroups help manage the use of system resources by sendmail. +Each workgroup may have one or more children concurrently processing +queues depending on the setting of \fIMaxQueueChildren\fP. +.ip \-qp\fItime\fP +Similar to \-q with a time argument, +except that instead of periodically starting WGP's +sendmail starts persistent WGP's +that alternate between processing queues and sleeping. +The sleep time is specified by the time argument; it defaults to 1 second, +except that a WGP always sleeps at least 5 seconds if their queues were +empty in the previous run. +Persistent processes are managed by a queue control process (QCP). +The QCP is the parent process of the WGP's. +Typically the QCP will be the sendmail daemon (when started with \-bd or \-bD) +or a special process (named Queue control) (when started without \-bd or \-bD). +If a persistent WGP ceases to be active for some reason +another WGP will be started by the QCP for the same workgroup +in most cases. When a persistent WGP has core dumped, the debug flag +\fIno_persistent_restart\fP is set or the specific persistent WGP has been +restarted too many times already then the WGP will not be started again +and a message will be logged to this effect. +To stop (SIGTERM) or restart (SIGHUP) persistent WGP's the appropriate +signal should be sent to the QCP. The QCP will propagate the signal to all of +the WGP's and if appropriate restart the persistent WGP's. +.ip \-q\fIGname\fP +Run the jobs in the queue group +.i name +once. +.ip \-q[!]\fIXstring\fP +Run the queue once, +limiting the jobs to those matching +.i Xstring . +The key letter +.i X +can be +.b I +to limit based on queue identifier, +.b R +to limit based on recipient, +.b S +to limit based on sender, +or +.b Q +to limit based on quarantine reason for quarantined jobs. +A particular queued job is accepted if one of the corresponding attributes +contains the indicated +.i string . +The optional ! character negates the condition tested. +Multiple +.i \-q\fIX\fP +flags are permitted, +with items with the same key letter +.q or'ed +together, and items with different key letters +.q and'ed +together. +.ip "\-Q[reason]" +Quarantine a normal queue items with the given reason or +unquarantine quarantined queue items if no reason is given. +This should only be used with some sort of item matching using +.b \-q[!]\fIXstring\fP +as described above. +.ip "\-R ret" +What information you want returned if the message bounces; +.i ret +can be +.q HDRS +for headers only or +.q FULL +for headers plus body. +This is a request only; +the other end is not required to honor the parameter. +If +.q HDRS +is specified local bounces also return only the headers. +.ip \-t +Read the header for +.q To: , +.q Cc: , +and +.q Bcc: +lines, and send to everyone listed in those lists. +The +.q Bcc: +line will be deleted before sending. +Any addresses in the argument vector will be deleted +from the send list. +.ip "\-V envid" +The indicated +.i envid +is passed with the envelope of the message +and returned if the message bounces. +.ip "\-X \fIlogfile\fP" +Log all traffic in and out of +.i sendmail +in the indicated +.i logfile +for debugging mailer problems. +This produces a lot of data very quickly and should be used sparingly. +.pp +There are a number of options that may be specified as +primitive flags. +These are the e, i, m, and v options. +Also, +the f option +may be specified as the +.b \-s +flag. +The DSN related options +.q "\-N" , +.q "\-R" , +and +.q "\-V" +have no effects on +.i sendmail +running as daemon. +.+c "QUEUE FILE FORMATS" +.pp +This appendix describes the format of the queue files. +These files live in a queue directory. +The individual qf, hf, Qf, df, and xf files +may be stored in separate +.i qf/ , +.i df/ , +and +.i xf/ +subdirectories +if they are present in the queue directory. +.pp +All queue files have the name +.i ttYMDhmsNNppppp +where +.i YMDhmsNNppppp +is the +.i id +for this message +and the +.i tt +is a type. +The individual letters in the +.i id +are: +.nr ii 0.5i +.ip Y +Encoded year +.ip M +Encoded month +.ip D +Encoded day +.ip h +Encoded hour +.ip m +Encoded minute +.ip s +Encoded second +.ip NN +Encoded envelope number +.ip ppppp +At least five decimal digits of the process ID +.pp +All files with the same id collectively define one message. +Due to the use of memory-buffered files, +some of these files may never appear on disk. +.pp +The types are: +.nr ii 0.5i +.ip qf +The queue control file. +This file contains the information necessary to process the job. +.ip hf +The same as a queue control file, but for a quarantined queue job. +.ip df +The data file. +The message body (excluding the header) is kept in this file. +Sometimes the df file is not stored in the same directory as the qf file; +in this case, +the qf file contains a `d' record which names the queue directory +that contains the df file. +.ip tf +A temporary file. +This is an image of the +.b qf +file when it is being rebuilt. +It should be renamed to a +.b qf +file very quickly. +.ip xf +A transcript file, +existing during the life of a session +showing everything that happens +during that session. +Sometimes the xf file must be generated before a queue group has been selected; +in this case, +the xf file will be stored in a directory of the default queue group. +.ip Qf +A ``lost'' queue control file. +.i sendmail +renames a +.b qf +file to +.b Qf +if there is a severe (configuration) problem that cannot be solved without +human intervention. +Search the logfile for the queue file id to figure out what happened. +After you resolved the problem, you can rename the +.b Qf +file to +.b qf +and send it again. +.pp +The queue control file is structured as a series of lines +each beginning with a code letter. +The lines are as follows: +.ip V +The version number of the queue file format, +used to allow new +.i sendmail +binaries to read queue files created by older versions. +Defaults to version zero. +Must be the first line of the file if present. +For 8.12 the version number is 6. +.ip A +The information given by the AUTH= parameter of the +.q "MAIL FROM:" +command or $f@$j +if sendmail has been called directly. +.ip H +A header definition. +There may be any number of these lines. +The order is important: +they represent the order in the final message. +These use the same syntax +as header definitions in the configuration file. +.ip C +The controlling address. +The syntax is +.q localuser:aliasname . +Recipient addresses following this line +will be flagged so that deliveries will be run as the +.i localuser +(a user name from the /etc/passwd file); +.i aliasname +is the name of the alias that expanded to this address +(used for printing messages). +.ip q +The quarantine reason for quarantined queue items. +.ip Q +The ``original recipient'', +specified by the ORCPT= field in an ESMTP transaction. +Used exclusively for Delivery Status Notifications. +It applies only to the following `R' line. +.ip r +The ``final recipient'' +used for Delivery Status Notifications. +It applies only to the following `R' line. +.ip R +A recipient address. +This will normally be completely aliased, +but is actually realiased when the job is processed. +There will be one line for each recipient. +Version 1 qf files +also include a leading colon-terminated list of flags, +which can be +`S' to return a message on successful final delivery, +`F' to return a message on failure, +`D' to return a message if the message is delayed, +`B' to indicate that the body should be returned, +`N' to suppress returning the body, +and +`P' to declare this as a ``primary'' (command line or SMTP-session) address. +.ip S +The sender address. +There may only be one of these lines. +.ip T +The job creation time. +This is used to compute when to time out the job. +.ip P +The current message priority. +This is used to order the queue. +Higher numbers mean lower priorities. +The priority changes +as the message sits in the queue. +The initial priority depends on the message class +and the size of the message. +.ip M +A message. +This line is printed by the +.i mailq +command, +and is generally used to store status information. +It can contain any text. +.ip F +Flag bits, represented as one letter per flag. +Defined flag bits are +.b r +indicating that this is a response message +and +.b w +indicating that a warning message has been sent +announcing that the mail has been delayed. +Other flag bits are: +.b 8 : +the body contains 8bit data, +.b b : +a Bcc: header should be removed, +.b d : +the mail has RET parameters (see RFC 1894), +.b n : +the body of the message should not be returned +in case of an error, +.b s : +the envelope has been split. +.ip N +The total number of delivery attempts. +.ip K +The time (as seconds since January 1, 1970) +of the last delivery attempt. +.ip d +If the df file is in a different directory than the qf file, +then a `d' record is present, +specifying the directory in which the df file resides. +.ip I +The i-number of the data file; +this can be used to recover your mail queue +after a disastrous disk crash. +.ip $ +A macro definition. +The values of certain macros +are passed through to the queue run phase. +.ip B +The body type. +The remainder of the line is a text string defining the body type. +If this field is missing, +the body type is assumed to be +.q "undefined" +and no special processing is attempted. +Legal values are +.q 7BIT +and +.q 8BITMIME . +.ip Z +The original envelope id (from the ESMTP transaction). +For Deliver Status Notifications only. +.pp +As an example, +the following is a queue file sent to +.q eric@mammoth.Berkeley.EDU +and +.q bostic@okeeffe.CS.Berkeley.EDU \**: +.(f +\**This example is contrived and probably inaccurate for your environment. +Glance over it to get an idea; +nothing can replace looking at what your own system generates. +.)f +.(b +V4 +T711358135 +K904446490 +N0 +P2100941 +$_eric@localhost +${daemon_flags} +Seric +Ceric:100:1000:sendmail@vangogh.CS.Berkeley.EDU +RPFD:eric@mammoth.Berkeley.EDU +RPFD:bostic@okeeffe.CS.Berkeley.EDU +H?P?Return-path: <^g> +H??Received: by vangogh.CS.Berkeley.EDU (5.108/2.7) id AAA06703; + Fri, 17 Jul 1992 00:28:55 -0700 +H??Received: from mail.CS.Berkeley.EDU by vangogh.CS.Berkeley.EDU (5.108/2.7) + id AAA06698; Fri, 17 Jul 1992 00:28:54 -0700 +H??Received: from [128.32.31.21] by mail.CS.Berkeley.EDU (5.96/2.5) + id AA22777; Fri, 17 Jul 1992 03:29:14 -0400 +H??Received: by foo.bar.baz.de (5.57/Ultrix3.0-C) + id AA22757; Fri, 17 Jul 1992 09:31:25 GMT +H?F?From: eric@foo.bar.baz.de (Eric Allman) +H?x?Full-name: Eric Allman +H??Message-id: <9207170931.AA22757@foo.bar.baz.de> +H??To: sendmail@vangogh.CS.Berkeley.EDU +H??Subject: this is an example message +.)b +This shows +the person who sent the message, +the submission time +(in seconds since January 1, 1970), +the message priority, +the message class, +the recipients, +and the headers for the message. +.+c "SUMMARY OF SUPPORT FILES" +.pp +This is a summary of the support files +that +.i sendmail +creates or generates. +Many of these can be changed by editing the sendmail.cf file; +check there to find the actual pathnames. +.nr ii 1i +.ip "/usr/\*(SD/sendmail" +The binary of +.i sendmail . +.ip /usr/\*(SB/newaliases +A link to /usr/\*(SD/sendmail; +causes the alias database to be rebuilt. +Running this program is completely equivalent to giving +.i sendmail +the +.b \-bi +flag. +.ip /usr/\*(SB/mailq +Prints a listing of the mail queue. +This program is equivalent to using the +.b \-bp +flag to +.i sendmail . +.ip /etc/mail/sendmail.cf +The configuration file, +in textual form. +.ip /etc/mail/helpfile +The SMTP help file. +.ip /etc/mail/statistics +A statistics file; need not be present. +.ip /etc/mail/sendmail.pid +Created in daemon mode; +it contains the process id of the current SMTP daemon. +If you use this in scripts; +use ``head \-1'' to get just the first line; +the second line contains the command line used to invoke the daemon, +and later versions of +.i sendmail +may add more information to subsequent lines. +.ip /etc/mail/aliases +The textual version of the alias file. +.ip /etc/mail/aliases.db +The alias file in +.i hash \|(3) +format. +.ip /etc/mail/aliases.{pag,dir} +The alias file in +.i ndbm \|(3) +format. +.ip /var/spool/mqueue +The directory in which the mail queue(s) +and temporary files reside. +.ip /var/spool/mqueue/qf* +Control (queue) files for messages. +.ip /var/spool/mqueue/df* +Data files. +.ip /var/spool/mqueue/tf* +Temporary versions of the qf files, +used during queue file rebuild. +.ip /var/spool/mqueue/xf* +A transcript of the current session. +.if o \ +\{\ +. bp +. rs +. sp |4i +. ce 2 +This page intentionally left blank; +replace it with a blank sheet for double-sided output. +.\} +.\".ro +.\".ls 1 +.\".tp +.\".sp 2i +.\".in 0 +.\".ce 100 +.\".sz 24 +.\".b SENDMAIL +.\".sz 14 +.\".sp +.\"INSTALLATION AND OPERATION GUIDE +.\".sp +.\".sz 10 +.\"Eric Allman +.\".sp +.\"Version $Revision: 8.704 $ +.\".ce 0 +.bp 3 +.ce +.sz 12 +TABLE OF CONTENTS +.sz 10 +.sp +.\" remove some things to avoid "out of temp file space" problem +.rm sh +.rm (x +.rm )x +.rm ip +.rm pp +.rm lp +.rm he +.rm fo +.rm eh +.rm oh +.rm ef +.rm of +.xp +.if o \ +\{\ +. bp +. rs +. sp |4i +. ce 2 +This page intentionally left blank; +replace it with a blank sheet for double-sided output. +.\} diff --git a/contrib/sendmail-8.13.4/editmap/Makefile b/contrib/sendmail-8.13.4/editmap/Makefile new file mode 100644 index 0000000000..965e0293bc --- /dev/null +++ b/contrib/sendmail-8.13.4/editmap/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 1.1 2000/08/31 16:19:25 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/editmap/Makefile.m4 b/contrib/sendmail-8.13.4/editmap/Makefile.m4 new file mode 100644 index 0000000000..d9c611ca4f --- /dev/null +++ b/contrib/sendmail-8.13.4/editmap/Makefile.m4 @@ -0,0 +1,23 @@ +dnl $Id: Makefile.m4,v 1.5 2002/06/21 22:01:30 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `editmap') +define(`bldSOURCES', `editmap.c ') +define(`bldINSTALL_DIR', `S') +bldPUSH_SMLIB(`sm') +bldPUSH_SMLIB(`smutil') +bldPUSH_SMLIB(`smdb') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `editmap') +define(`bldSOURCES', `editmap.8') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/editmap/editmap.8 b/contrib/sendmail-8.13.4/editmap/editmap.8 new file mode 100644 index 0000000000..9b0b3ad13e --- /dev/null +++ b/contrib/sendmail-8.13.4/editmap/editmap.8 @@ -0,0 +1,106 @@ +.\" Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: editmap.8,v 1.9 2003/02/01 17:07:42 ca Exp $ +.\" +.TH EDITMAP 8 "$Date: 2003/02/01 17:07:42 $" +.SH NAME +.B editmap +\- query and edit single records in database maps for sendmail +.SH SYNOPSIS +.B editmap +.RB [ \-C +.IR file ] +.RB [ \-N ] +.RB [ \-f ] +.RB [ \-q|\-u|\-x ] +maptype mapname +key [ "value ..." ] +.SH DESCRIPTION +.B Editmap +queries or edits one record in database maps used by the keyed map lookups in +sendmail(8). +Arguments are passed on the command line and output (for queries) is +directed to standard output. +.PP +Depending on how it is compiled, +.B editmap +handles up to three different database formats, +selected using the +.I maptype +parameter. +They may be +.TP +dbm +DBM format maps. +This requires the +ndbm(3) +library. +.TP +btree +B-Tree format maps. +This requires the new Berkeley DB +library. +.TP +hash +Hash format maps. +This also requires the Berkeley DB +library. +.PP +If the +.I TrustedUser +option is set in the sendmail configuration file and +.B editmap +is invoked as root, the generated files will be owned by +the specified +.IR TrustedUser. +.SS Flags +.TP +.B \-C +Use the specified +.B sendmail +configuration file for looking up the TrustedUser option. +.TP +.B \-N +Include the null byte that terminates strings +in the map (for alias maps). +.TP +.B \-f +Normally all upper case letters in the key +are folded to lower case. +This flag disables that behaviour. +This is intended to mesh with the +\-f flag in the +.B K +line in sendmail.cf. +The value is never case folded. +.TP +.B \-q +Query the map for the specified key. If found, print value to standard +output and exit with 0. If not found then print an error +message to stdout and exit with EX_UNAVAILABLE. +.TP +.B \-u +Update the record for +.I key +with +.I value +or inserts a new record if one doesn't exist. Exits with 0 on success +or EX_IOERR on failure. +.TP +.B \-x +Deletes the specific key from the map. Exits with 0 on success or +EX_IOERR on failure. +.TP +.SH SEE ALSO +sendmail(8), +makemap(8) +.SH HISTORY +The +.B editmap +command has no history. diff --git a/contrib/sendmail-8.13.4/editmap/editmap.c b/contrib/sendmail-8.13.4/editmap/editmap.c new file mode 100644 index 0000000000..138ee30e4a --- /dev/null +++ b/contrib/sendmail-8.13.4/editmap/editmap.c @@ -0,0 +1,422 @@ +/* + * Copyright (c) 1998-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1992 Eric P. Allman. All rights reserved. + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#ifndef lint +SM_UNUSED(static char copyright[]) = +"@(#) Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1992 Eric P. Allman. All rights reserved.\n\ + Copyright (c) 1992, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* ! lint */ + +#ifndef lint +SM_UNUSED(static char id[]) = "@(#)$Id: editmap.c,v 1.24 2004/08/03 18:40:10 ca Exp $"; +#endif /* ! lint */ + + +#include +#ifndef ISC_UNIX +# include +#endif /* ! ISC_UNIX */ +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include +#include +#include +#include +#include + +uid_t RealUid; +gid_t RealGid; +char *RealUserName; +uid_t RunAsUid; +uid_t RunAsGid; +char *RunAsUserName; +int Verbose = 2; +bool DontInitGroups = false; +uid_t TrustedUid = 0; +BITMAP256 DontBlameSendmail; + +#define BUFSIZE 1024 +#define ISSEP(c) (isascii(c) && isspace(c)) + + +static void usage __P((char *)); + +static void +usage(progname) + char *progname; +{ + fprintf(stderr, + "Usage: %s [-C cffile] [-N] [-f] [-q|-u|-x] maptype mapname key [ \"value ...\" ]\n", + progname); + exit(EX_USAGE); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + char *progname; + char *cfile; + bool verbose = false; + bool query = false; + bool update = false; + bool remove = false; + bool inclnull = false; + bool foldcase = true; + unsigned int nops = 0; + int exitstat; + int opt; + char *typename = NULL; + char *mapname = NULL; + char *keyname = NULL; + char *value = NULL; + int mode; + int smode; + int putflags = 0; + long sff = SFF_ROOTOK|SFF_REGONLY; + struct passwd *pw; + SMDB_DATABASE *database; + SMDB_DBENT db_key, db_val; + SMDB_DBPARAMS params; + SMDB_USER_INFO user_info; +#if HASFCHOWN + FILE *cfp; + char buf[MAXLINE]; +#endif /* HASFCHOWN */ + static char rnamebuf[MAXNAME]; /* holds RealUserName */ + extern char *optarg; + extern int optind; + + memset(¶ms, '\0', sizeof params); + params.smdbp_cache_size = 1024 * 1024; + + progname = strrchr(argv[0], '/'); + if (progname != NULL) + progname++; + else + progname = argv[0]; + cfile = _PATH_SENDMAILCF; + + clrbitmap(DontBlameSendmail); + RunAsUid = RealUid = getuid(); + RunAsGid = RealGid = getgid(); + pw = getpwuid(RealUid); + if (pw != NULL) + (void) sm_strlcpy(rnamebuf, pw->pw_name, sizeof rnamebuf); + else + (void) sm_snprintf(rnamebuf, sizeof rnamebuf, + "Unknown UID %d", (int) RealUid); + RunAsUserName = RealUserName = rnamebuf; + user_info.smdbu_id = RunAsUid; + user_info.smdbu_group_id = RunAsGid; + (void) sm_strlcpy(user_info.smdbu_name, RunAsUserName, + SMDB_MAX_USER_NAME_LEN); + +#define OPTIONS "C:fquxvN" + while ((opt = getopt(argc, argv, OPTIONS)) != -1) + { + switch (opt) + { + case 'C': + cfile = optarg; + break; + + case 'f': + foldcase = false; + break; + + case 'q': + query = true; + nops++; + break; + + case 'u': + update = true; + nops++; + break; + + case 'x': + remove = true; + nops++; + break; + + case 'v': + verbose = true; + break; + + case 'N': + inclnull = true; + break; + + default: + usage(progname); + assert(0); /* NOTREACHED */ + } + } + + if (!bitnset(DBS_WRITEMAPTOSYMLINK, DontBlameSendmail)) + sff |= SFF_NOSLINK; + if (!bitnset(DBS_WRITEMAPTOHARDLINK, DontBlameSendmail)) + sff |= SFF_NOHLINK; + if (!bitnset(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + + argc -= optind; + argv += optind; + if ((nops != 1) || + (query && argc != 3) || + (remove && argc != 3) || + (update && argc <= 3)) + { + usage(progname); + assert(0); /* NOTREACHED */ + } + + typename = argv[0]; + mapname = argv[1]; + keyname = argv[2]; + if (update) + value = argv[3]; + + if (foldcase) + { + char *p; + + for (p = keyname; *p != '\0'; p++) + { + if (isascii(*p) && isupper(*p)) + *p = tolower(*p); + } + } + + +#if HASFCHOWN + /* Find TrustedUser value in sendmail.cf */ + if ((cfp = fopen(cfile, "r")) == NULL) + { + fprintf(stderr, "%s: %s: %s\n", progname, + cfile, sm_errstring(errno)); + exit(EX_NOINPUT); + } + while (fgets(buf, sizeof(buf), cfp) != NULL) + { + register char *b; + + if ((b = strchr(buf, '\n')) != NULL) + *b = '\0'; + + b = buf; + switch (*b++) + { + case 'O': /* option */ + if (strncasecmp(b, " TrustedUser", 12) == 0 && + !(isascii(b[12]) && isalnum(b[12]))) + { + b = strchr(b, '='); + if (b == NULL) + continue; + while (isascii(*++b) && isspace(*b)) + continue; + if (isascii(*b) && isdigit(*b)) + TrustedUid = atoi(b); + else + { + TrustedUid = 0; + pw = getpwnam(b); + if (pw == NULL) + fprintf(stderr, + "TrustedUser: unknown user %s\n", b); + else + TrustedUid = pw->pw_uid; + } + +# ifdef UID_MAX + if (TrustedUid > UID_MAX) + { + fprintf(stderr, + "TrustedUser: uid value (%ld) > UID_MAX (%ld)", + (long) TrustedUid, + (long) UID_MAX); + TrustedUid = 0; + } +# endif /* UID_MAX */ + break; + } + + + default: + continue; + } + } + (void) fclose(cfp); +#endif /* HASFCHOWN */ + + if (query) + { + mode = O_RDONLY; + smode = S_IRUSR; + } + else + { + mode = O_RDWR | O_CREAT; + sff |= SFF_CREAT|SFF_NOTEXCL; + smode = S_IWUSR; + } + + params.smdbp_num_elements = 4096; + + errno = smdb_open_database(&database, mapname, mode, smode, sff, + typename, &user_info, ¶ms); + if (errno != SMDBE_OK) + { + char *hint; + + if (errno == SMDBE_UNSUPPORTED_DB_TYPE && + (hint = smdb_db_definition(typename)) != NULL) + fprintf(stderr, + "%s: Need to recompile with -D%s for %s support\n", + progname, hint, typename); + else + fprintf(stderr, + "%s: error opening type %s map %s: %s\n", + progname, typename, mapname, + sm_errstring(errno)); + exit(EX_CANTCREAT); + } + + (void) database->smdb_sync(database, 0); + + if (geteuid() == 0 && TrustedUid != 0) + { + errno = database->smdb_set_owner(database, TrustedUid, -1); + if (errno != SMDBE_OK) + { + fprintf(stderr, + "WARNING: ownership change on %s failed %s", + mapname, sm_errstring(errno)); + } + } + + exitstat = EX_OK; + if (query) + { + memset(&db_key, '\0', sizeof db_key); + memset(&db_val, '\0', sizeof db_val); + + db_key.data = keyname; + db_key.size = strlen(keyname); + if (inclnull) + db_key.size++; + + errno = database->smdb_get(database, &db_key, &db_val, 0); + if (errno != SMDBE_OK) + { + /* XXX - Need to distinguish between not found */ + fprintf(stderr, + "%s: couldn't find key %s in map %s\n", + progname, keyname, mapname); + exitstat = EX_UNAVAILABLE; + } + else + { + printf("%.*s\n", (int) db_val.size, + (char *) db_val.data); + } + } + else if (update) + { + memset(&db_key, '\0', sizeof db_key); + memset(&db_val, '\0', sizeof db_val); + + db_key.data = keyname; + db_key.size = strlen(keyname); + if (inclnull) + db_key.size++; + db_val.data = value; + db_val.size = strlen(value); + if (inclnull) + db_val.size++; + + errno = database->smdb_put(database, &db_key, &db_val, + putflags); + if (errno != SMDBE_OK) + { + fprintf(stderr, + "%s: error updating (%s, %s) in map %s: %s\n", + progname, keyname, value, mapname, + sm_errstring(errno)); + exitstat = EX_IOERR; + } + } + else if (remove) + { + memset(&db_key, '\0', sizeof db_key); + memset(&db_val, '\0', sizeof db_val); + + db_key.data = keyname; + db_key.size = strlen(keyname); + if (inclnull) + db_key.size++; + + errno = database->smdb_del(database, &db_key, 0); + + switch (errno) + { + case SMDBE_NOT_FOUND: + fprintf(stderr, + "%s: key %s doesn't exist in map %s\n", + progname, keyname, mapname); + /* Don't set exitstat */ + break; + case SMDBE_OK: + /* All's well */ + break; + default: + fprintf(stderr, + "%s: couldn't remove key %s in map %s (error)\n", + progname, keyname, mapname); + exitstat = EX_IOERR; + break; + } + } + else + { + assert(0); /* NOT REACHED */ + } + + /* + ** Now close the database. + */ + + errno = database->smdb_close(database); + if (errno != SMDBE_OK) + { + fprintf(stderr, "%s: close(%s): %s\n", + progname, mapname, sm_errstring(errno)); + exitstat = EX_IOERR; + } + smdb_free_database(database); + + exit(exitstat); + /* NOTREACHED */ + return exitstat; +} diff --git a/contrib/sendmail-8.13.4/include/libmilter/mfapi.h b/contrib/sendmail-8.13.4/include/libmilter/mfapi.h new file mode 100644 index 0000000000..d4a02f9919 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/libmilter/mfapi.h @@ -0,0 +1,493 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: mfapi.h,v 8.60 2004/08/20 21:24:14 ca Exp $ + */ + +/* +** MFAPI.H -- Global definitions for mail filter library and mail filters. +*/ + +#ifndef _LIBMILTER_MFAPI_H +# define _LIBMILTER_MFAPI_H 1 + +#ifndef SMFI_VERSION +# define SMFI_VERSION 2 /* version number */ +#endif /* ! SMFI_VERSION */ + +# include +# include + +#include "libmilter/mfdef.h" + +# define LIBMILTER_API extern + + +/* Only need to export C interface if used by C++ source code */ +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#ifndef _SOCK_ADDR +# define _SOCK_ADDR struct sockaddr +#endif /* ! _SOCK_ADDR */ + +/* +** libmilter functions return one of the following to indicate +** success/failure: +*/ + +#define MI_SUCCESS 0 +#define MI_FAILURE (-1) + +/* "forward" declarations */ +typedef struct smfi_str SMFICTX; +typedef struct smfi_str *SMFICTX_PTR; + +typedef struct smfiDesc smfiDesc_str; +typedef struct smfiDesc *smfiDesc_ptr; + +/* +** Type which callbacks should return to indicate message status. +** This may take on one of the SMFIS_* values listed below. +*/ + +typedef int sfsistat; + +#if defined(__linux__) && defined(__GNUC__) && defined(__cplusplus) && __GNUC_MINOR__ >= 8 +# define SM__P(X) __PMT(X) +#else /* __linux__ && __GNUC__ && __cplusplus && _GNUC_MINOR__ >= 8 */ +# define SM__P(X) __P(X) +#endif /* __linux__ && __GNUC__ && __cplusplus && _GNUC_MINOR__ >= 8 */ + +/* Some platforms don't define __P -- do it for them here: */ +#ifndef __P +# ifdef __STDC__ +# define __P(X) X +# else /* __STDC__ */ +# define __P(X) () +# endif /* __STDC__ */ +#endif /* __P */ + +#if SM_CONF_STDBOOL_H +# include +#else /* SM_CONF_STDBOOL_H */ +# ifndef __cplusplus +# ifndef bool +# ifndef __bool_true_false_are_defined +typedef int bool; +# define __bool_true_false_are_defined 1 +# endif /* ! __bool_true_false_are_defined */ +# endif /* bool */ +# endif /* ! __cplusplus */ +#endif /* SM_CONF_STDBOOL_H */ + +/* +** structure describing one milter +*/ + +struct smfiDesc +{ + char *xxfi_name; /* filter name */ + int xxfi_version; /* version code -- do not change */ + unsigned long xxfi_flags; /* flags */ + + /* connection info filter */ + sfsistat (*xxfi_connect) SM__P((SMFICTX *, char *, _SOCK_ADDR *)); + + /* SMTP HELO command filter */ + sfsistat (*xxfi_helo) SM__P((SMFICTX *, char *)); + + /* envelope sender filter */ + sfsistat (*xxfi_envfrom) SM__P((SMFICTX *, char **)); + + /* envelope recipient filter */ + sfsistat (*xxfi_envrcpt) SM__P((SMFICTX *, char **)); + + /* header filter */ + sfsistat (*xxfi_header) SM__P((SMFICTX *, char *, char *)); + + /* end of header */ + sfsistat (*xxfi_eoh) SM__P((SMFICTX *)); + + /* body block */ + sfsistat (*xxfi_body) SM__P((SMFICTX *, unsigned char *, size_t)); + + /* end of message */ + sfsistat (*xxfi_eom) SM__P((SMFICTX *)); + + /* message aborted */ + sfsistat (*xxfi_abort) SM__P((SMFICTX *)); + + /* connection cleanup */ + sfsistat (*xxfi_close) SM__P((SMFICTX *)); + +#if SMFI_VERSION > 2 + /* any unrecognized or unimplemented command filter */ + sfsistat (*xxfi_unknown) SM__P((SMFICTX *, char *)); +#endif /* SMFI_VERSION > 2 */ + +#if SMFI_VERSION > 3 + /* any unrecognized or unimplemented command filter */ + sfsistat (*xxfi_data) SM__P((SMFICTX *)); +#endif /* SMFI_VERSION > 3 */ +}; + +LIBMILTER_API int smfi_opensocket __P((bool)); +LIBMILTER_API int smfi_register __P((struct smfiDesc)); +LIBMILTER_API int smfi_main __P((void)); +LIBMILTER_API int smfi_setbacklog __P((int)); +LIBMILTER_API int smfi_setdbg __P((int)); +LIBMILTER_API int smfi_settimeout __P((int)); +LIBMILTER_API int smfi_setconn __P((char *)); +LIBMILTER_API int smfi_stop __P((void)); +#if _FFR_MAXDATASIZE +LIBMILTER_API size_t smfi_setmaxdatasize __P((size_t)); +#endif /* _FFR_MAXDATASIZE */ + +/* +** What the filter might do -- values to be ORed together for +** smfiDesc.xxfi_flags. +*/ + +#define SMFIF_NONE 0x00000000L /* no flags */ +#define SMFIF_ADDHDRS 0x00000001L /* filter may add headers */ +#define SMFIF_CHGBODY 0x00000002L /* filter may replace body */ +#define SMFIF_MODBODY SMFIF_CHGBODY /* backwards compatible */ +#define SMFIF_ADDRCPT 0x00000004L /* filter may add recipients */ +#define SMFIF_DELRCPT 0x00000008L /* filter may delete recipients */ +#define SMFIF_CHGHDRS 0x00000010L /* filter may change/delete headers */ +#define SMFIF_QUARANTINE 0x00000020L /* filter may quarantine envelope */ + +/* +** Continue processing message/connection. +*/ + +#define SMFIS_CONTINUE 0 + +/* +** Reject the message/connection. +** No further routines will be called for this message +** (or connection, if returned from a connection-oriented routine). +*/ + +#define SMFIS_REJECT 1 + +/* +** Accept the message, +** but silently discard the message. +** No further routines will be called for this message. +** This is only meaningful from message-oriented routines. +*/ + +#define SMFIS_DISCARD 2 + +/* +** Accept the message/connection. +** No further routines will be called for this message +** (or connection, if returned from a connection-oriented routine; +** in this case, it causes all messages on this connection +** to be accepted without filtering). +*/ + +#define SMFIS_ACCEPT 3 + +/* +** Return a temporary failure, i.e., +** the corresponding SMTP command will return a 4xx status code. +** In some cases this may prevent further routines from +** being called on this message or connection, +** although in other cases (e.g., when processing an envelope +** recipient) processing of the message will continue. +*/ + +#define SMFIS_TEMPFAIL 4 + +#if 0 +/* +** Filter Routine Details +*/ + +/* connection info filter */ +extern sfsistat xxfi_connect __P((SMFICTX *, char *, _SOCK_ADDR *)); + +/* +** xxfi_connect(ctx, hostname, hostaddr) Invoked on each connection +** +** char *hostname; Host domain name, as determined by a reverse lookup +** on the host address. +** _SOCK_ADDR *hostaddr; Host address, as determined by a getpeername +** call on the SMTP socket. +*/ + +/* SMTP HELO command filter */ +extern sfsistat xxfi_helo __P((SMFICTX *, char *)); + +/* +** xxfi_helo(ctx, helohost) Invoked on SMTP HELO/EHLO command +** +** char *helohost; Value passed to HELO/EHLO command, which should be +** the domain name of the sending host (but is, in practice, +** anything the sending host wants to send). +*/ + +/* envelope sender filter */ +extern sfsistat xxfi_envfrom __P((SMFICTX *, char **)); + +/* +** xxfi_envfrom(ctx, argv) Invoked on envelope from +** +** char **argv; Null-terminated SMTP command arguments; +** argv[0] is guaranteed to be the sender address. +** Later arguments are the ESMTP arguments. +*/ + +/* envelope recipient filter */ +extern sfsistat xxfi_envrcpt __P((SMFICTX *, char **)); + +/* +** xxfi_envrcpt(ctx, argv) Invoked on each envelope recipient +** +** char **argv; Null-terminated SMTP command arguments; +** argv[0] is guaranteed to be the recipient address. +** Later arguments are the ESMTP arguments. +*/ + +/* unknown command filter */ + +extern sfsistat *xxfi_unknown __P((SMFICTX *, char *)); + +/* +** xxfi_unknown(ctx, arg) Invoked when SMTP command is not recognized or not +** implemented. +** char *arg; Null-terminated SMTP command +*/ + +/* header filter */ +extern sfsistat xxfi_header __P((SMFICTX *, char *, char *)); + +/* +** xxfi_header(ctx, headerf, headerv) Invoked on each message header. The +** content of the header may have folded white space (that is, multiple +** lines with following white space) included. +** +** char *headerf; Header field name +** char *headerv; Header field value +*/ + +/* end of header */ +extern sfsistat xxfi_eoh __P((SMFICTX *)); + +/* +** xxfi_eoh(ctx) Invoked at end of header +*/ + +/* body block */ +extern sfsistat xxfi_body __P((SMFICTX *, unsigned char *, size_t)); + +/* +** xxfi_body(ctx, bodyp, bodylen) Invoked for each body chunk. There may +** be multiple body chunks passed to the filter. End-of-lines are +** represented as received from SMTP (normally Carriage-Return/Line-Feed). +** +** unsigned char *bodyp; Pointer to body data +** size_t bodylen; Length of body data +*/ + +/* end of message */ +extern sfsistat xxfi_eom __P((SMFICTX *)); + +/* +** xxfi_eom(ctx) Invoked at end of message. This routine can perform +** special operations such as modifying the message header, body, or +** envelope. +*/ + +/* message aborted */ +extern sfsistat xxfi_abort __P((SMFICTX *)); + +/* +** xxfi_abort(ctx) Invoked if message is aborted outside of the control of +** the filter, for example, if the SMTP sender issues an RSET command. If +** xxfi_abort is called, xxfi_eom will not be called and vice versa. +*/ + +/* connection cleanup */ +extern sfsistat xxfi_close __P((SMFICTX *)); + +/* +** xxfi_close(ctx) Invoked at end of the connection. This is called on +** close even if the previous mail transaction was aborted. +*/ +#endif /* 0 */ + +/* +** Additional information is passed in to the vendor filter routines using +** symbols. Symbols correspond closely to sendmail macros. The symbols +** defined depend on the context. The value of a symbol is accessed using: +*/ + +/* Return the value of a symbol. */ +LIBMILTER_API char * smfi_getsymval __P((SMFICTX *, char *)); + +/* +** Return the value of a symbol. +** +** SMFICTX *ctx; Opaque context structure +** char *symname; The name of the symbol to access. +*/ + +/* +** Vendor filter routines that want to pass additional information back to +** the MTA for use in SMTP replies may call smfi_setreply before returning. +*/ + +LIBMILTER_API int smfi_setreply __P((SMFICTX *, char *, char *, char *)); + +/* +** Alternatively, smfi_setmlreply can be called if a multi-line SMTP reply +** is needed. +*/ + +LIBMILTER_API int smfi_setmlreply __P((SMFICTX *, const char *, const char *, ...)); + +/* +** Set the specific reply code to be used in response to the active +** command. If not specified, a generic reply code is used. +** +** SMFICTX *ctx; Opaque context structure +** char *rcode; The three-digit (RFC 821) SMTP reply code to be +** returned, e.g., ``551''. +** char *xcode; The extended (RFC 2034) reply code, e.g., ``5.7.6''. +** char *message; The text part of the SMTP reply. +*/ + +/* +** The xxfi_eom routine is called at the end of a message (essentially, +** after the final DATA dot). This routine can call some special routines +** to modify the envelope, header, or body of the message before the +** message is enqueued. These routines must not be called from any vendor +** routine other than xxfi_eom. +*/ + +LIBMILTER_API int smfi_addheader __P((SMFICTX *, char *, char *)); + +/* +** Add a header to the message. It is not checked for standards +** compliance; the mail filter must ensure that no protocols are violated +** as a result of adding this header. +** +** SMFICTX *ctx; Opaque context structure +** char *headerf; Header field name +** char *headerv; Header field value +*/ + +LIBMILTER_API int smfi_chgheader __P((SMFICTX *, char *, int, char *)); + +/* +** Change/delete a header in the message. It is not checked for standards +** compliance; the mail filter must ensure that no protocols are violated +** as a result of adding this header. +** +** SMFICTX *ctx; Opaque context structure +** char *headerf; Header field name +** int index; The Nth occurence of header field name +** char *headerv; New header field value (empty for delete header) +*/ + +LIBMILTER_API int smfi_insheader __P((SMFICTX *, int, char *, char *)); + +/* +** Insert a header into the message. It is not checked for standards +** compliance; the mail filter must ensure that no protocols are violated +** as a result of adding this header. +** +** SMFICTX *ctx; Opaque context structure +** int idx; index into the header list where the insertion should happen +** char *headerh; Header field name +** char *headerv; Header field value +*/ + +LIBMILTER_API int smfi_addrcpt __P((SMFICTX *, char *)); + +/* +** Add a recipient to the envelope +** +** SMFICTX *ctx; Opaque context structure +** char *rcpt; Recipient to be added +*/ + +LIBMILTER_API int smfi_delrcpt __P((SMFICTX *, char *)); + +/* +** Send a "no-op" up to the MTA to tell it we're still alive, so long +** milter-side operations don't time out. +** +** SMFICTX *ctx; Opaque context structure +*/ + +LIBMILTER_API int smfi_progress __P((SMFICTX *)); + +/* +** Delete a recipient from the envelope +** +** SMFICTX *ctx; Opaque context structure +** char *rcpt; Envelope recipient to be deleted. This should be in +** exactly the form passed to xxfi_envrcpt or the address may +** not be deleted. +*/ + +LIBMILTER_API int smfi_replacebody __P((SMFICTX *, unsigned char *, int)); + +/* +** Replace the body of the message. This routine may be called multiple +** times if the body is longer than convenient to send in one call. End of +** line should be represented as Carriage-Return/Line Feed. +** +** char *bodyp; Pointer to block of body information to insert +** int bodylen; Length of data pointed at by bodyp +*/ + +/* +** If the message is aborted (for example, if the SMTP sender sends the +** envelope but then does a QUIT or RSET before the data is sent), +** xxfi_abort is called. This can be used to reset state. +*/ + +/* +** Quarantine an envelope +** +** SMFICTX *ctx; Opaque context structure +** char *reason: explanation +*/ + +LIBMILTER_API int smfi_quarantine __P((SMFICTX *ctx, char *reason)); + +/* +** Connection-private data (specific to an SMTP connection) can be +** allocated using the smfi_setpriv routine; routines can access private +** data using smfi_getpriv. +*/ + +LIBMILTER_API int smfi_setpriv __P((SMFICTX *, void *)); + +/* +** Set the private data pointer +** +** SMFICTX *ctx; Opaque context structure +** void *privatedata; Pointer to private data area +*/ + +LIBMILTER_API void *smfi_getpriv __P((SMFICTX *)); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* ! _LIBMILTER_MFAPI_H */ diff --git a/contrib/sendmail-8.13.4/include/libmilter/mfdef.h b/contrib/sendmail-8.13.4/include/libmilter/mfdef.h new file mode 100644 index 0000000000..3261d4bb28 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/libmilter/mfdef.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: mfdef.h,v 8.21 2004/07/07 21:41:31 ca Exp $ + */ + +/* +** mfdef.h -- Global definitions for mail filter and MTA. +*/ + +#ifndef _LIBMILTER_MFDEF_H +# define _LIBMILTER_MFDEF_H 1 + +/* Shared protocol constants */ +# define MILTER_LEN_BYTES 4 /* length of 32 bit integer in bytes */ +# define MILTER_OPTLEN (MILTER_LEN_BYTES * 3) /* length of options */ +# define MILTER_CHUNK_SIZE 65535 /* body chunk size */ +# define MILTER_MAX_DATA_SIZE 65535 /* default milter command data limit */ + +/* These apply to SMFIF_* flags */ +#define SMFI_V1_ACTS 0x0000000FL /* The actions of V1 filter */ +#define SMFI_V2_ACTS 0x0000003FL /* The actions of V2 filter */ +#define SMFI_CURR_ACTS SMFI_V2_ACTS /* The current version */ + +/* address families */ +# define SMFIA_UNKNOWN 'U' /* unknown */ +# define SMFIA_UNIX 'L' /* unix/local */ +# define SMFIA_INET '4' /* inet */ +# define SMFIA_INET6 '6' /* inet6 */ + +/* commands: don't use anything smaller than ' ' */ +# define SMFIC_ABORT 'A' /* Abort */ +# define SMFIC_BODY 'B' /* Body chunk */ +# define SMFIC_CONNECT 'C' /* Connection information */ +# define SMFIC_MACRO 'D' /* Define macro */ +# define SMFIC_BODYEOB 'E' /* final body chunk (End) */ +# define SMFIC_HELO 'H' /* HELO/EHLO */ +# define SMFIC_HEADER 'L' /* Header */ +# define SMFIC_MAIL 'M' /* MAIL from */ +# define SMFIC_EOH 'N' /* EOH */ +# define SMFIC_OPTNEG 'O' /* Option negotiation */ +# define SMFIC_QUIT 'Q' /* QUIT */ +# define SMFIC_RCPT 'R' /* RCPT to */ +# if SMFI_VERSION > 3 +# define SMFIC_DATA 'T' /* DATA */ +# endif /* SMFI_VERSION > 3 */ +# if SMFI_VERSION > 2 +# define SMFIC_UNKNOWN 'U' /* Any unknown command */ +# endif /* SMFI_VERSION > 2 */ + +/* actions (replies) */ +# define SMFIR_ADDRCPT '+' /* add recipient */ +# define SMFIR_DELRCPT '-' /* remove recipient */ +# define SMFIR_ACCEPT 'a' /* accept */ +# define SMFIR_REPLBODY 'b' /* replace body (chunk) */ +# define SMFIR_CONTINUE 'c' /* continue */ +# define SMFIR_DISCARD 'd' /* discard */ +# define SMFIR_CHGHEADER 'm' /* change header */ +# define SMFIR_PROGRESS 'p' /* progress */ +# define SMFIR_REJECT 'r' /* reject */ +# define SMFIR_TEMPFAIL 't' /* tempfail */ +# define SMFIR_SHUTDOWN '4' /* 421: shutdown (internal to MTA) */ +# define SMFIR_ADDHEADER 'h' /* add header */ +# define SMFIR_INSHEADER 'i' /* insert header */ +# define SMFIR_REPLYCODE 'y' /* reply code etc */ +# define SMFIR_QUARANTINE 'q' /* quarantine */ + +/* What the MTA can send/filter wants in protocol */ +# define SMFIP_NOCONNECT 0x00000001L /* MTA should not send connect info */ +# define SMFIP_NOHELO 0x00000002L /* MTA should not send HELO info */ +# define SMFIP_NOMAIL 0x00000004L /* MTA should not send MAIL info */ +# define SMFIP_NORCPT 0x00000008L /* MTA should not send RCPT info */ +# define SMFIP_NOBODY 0x00000010L /* MTA should not send body */ +# define SMFIP_NOHDRS 0x00000020L /* MTA should not send headers */ +# define SMFIP_NOEOH 0x00000040L /* MTA should not send EOH */ +# if _FFR_MILTER_NOHDR_RESP +# define SMFIP_NOHREPL 0x00000080L /* No reply for headers */ +# endif /* _FFR_MILTER_NOHDR_RESP */ + +# define SMFI_V1_PROT 0x0000003FL /* The protocol of V1 filter */ +# define SMFI_V2_PROT 0x0000007FL /* The protocol of V2 filter */ +# if _FFR_MILTER_NOHDR_RESP +# define SMFI_CURR_PROT 0x000000FFL /* The current version */ +# else /* _FFR_MILTER_NOHDR_RESP */ +# define SMFI_CURR_PROT SMFI_V2_PROT /* The current version */ +# endif /* _FFR_MILTER_NOHDR_RESP */ + +#endif /* !_LIBMILTER_MFDEF_H */ diff --git a/contrib/sendmail-8.13.4/include/libmilter/milter.h b/contrib/sendmail-8.13.4/include/libmilter/milter.h new file mode 100644 index 0000000000..5178f75620 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/libmilter/milter.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: milter.h,v 8.39 2003/12/02 00:21:42 msk Exp $ + */ + +/* +** MILTER.H -- Global definitions for mail filter. +*/ + +#ifndef _LIBMILTER_MILTER_H +# define _LIBMILTER_MILTER_H 1 + +#include "sendmail.h" +#include "libmilter/mfapi.h" + +/* socket and thread portability */ +# include +typedef pthread_t sthread_t; +typedef int socket_t; + +# define MAX_MACROS_ENTRIES 5 /* max size of macro pointer array */ + +/* +** context for milter +** implementation hint: +** macros are stored in mac_buf[] as sequence of: +** macro_name \0 macro_value +** (just as read from the MTA) +** mac_ptr is a list of pointers into mac_buf to the beginning of each +** entry, i.e., macro_name, macro_value, ... +*/ + +struct smfi_str +{ + sthread_t ctx_id; /* thread id */ + socket_t ctx_sd; /* socket descriptor */ + int ctx_dbg; /* debug level */ + time_t ctx_timeout; /* timeout */ + int ctx_state; /* state */ + smfiDesc_ptr ctx_smfi; /* filter description */ + unsigned long ctx_pflags; /* protocol flags */ + char **ctx_mac_ptr[MAX_MACROS_ENTRIES]; + char *ctx_mac_buf[MAX_MACROS_ENTRIES]; + char *ctx_reply; /* reply code */ + void *ctx_privdata; /* private data */ +}; + +#endif /* ! _LIBMILTER_MILTER_H */ diff --git a/contrib/sendmail-8.13.4/include/libsmdb/smdb.h b/contrib/sendmail-8.13.4/include/libsmdb/smdb.h new file mode 100644 index 0000000000..6db0103ccd --- /dev/null +++ b/contrib/sendmail-8.13.4/include/libsmdb/smdb.h @@ -0,0 +1,360 @@ +/* + * Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: smdb.h,v 8.41 2002/09/24 19:53:28 ca Exp $ + * + */ + +#ifndef _SMDB_H_ +# define _SMDB_H_ + +# include +# include +# include +# include + +# ifdef NDBM +# include +# endif /* NDBM */ + +# ifdef NEWDB +# include "sm/bdb.h" +# endif /* NEWDB */ + +/* +** Some size constants +*/ + +#define SMDB_MAX_USER_NAME_LEN 1024 + +/* +** This file defines the abstraction for database lookups. It is pretty +** much a copy of the db2 interface with the exception that every function +** returns 0 on success and non-zero on failure. The non-zero return code +** is meaningful. +** +** I'm going to put the function comments in this file since the interface +** MUST be the same for all inheritors of this interface. +*/ + +typedef struct database_struct SMDB_DATABASE; +typedef struct cursor_struct SMDB_CURSOR; +typedef struct entry_struct SMDB_DBENT; + +/* +** DB_CLOSE_FUNC -- close the database +** +** Parameters: +** db -- The database to close. +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_close_func) __P((SMDB_DATABASE *db)); + +/* +** DB_DEL_FUNC -- removes a key and data pair from the database +** +** Parameters: +** db -- The database to close. +** key -- The key to remove. +** flags -- delete options. There are currently no defined +** flags for delete. +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_del_func) __P((SMDB_DATABASE *db, + SMDB_DBENT *key, unsigned int flags)); + +/* +** DB_FD_FUNC -- Returns a pointer to a file used for the database. +** +** Parameters: +** db -- The database to close. +** fd -- A pointer to store the returned fd in. +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_fd_func) __P((SMDB_DATABASE *db, int* fd)); + +/* +** DB_GET_FUNC -- Gets the data associated with a key. +** +** Parameters: +** db -- The database to close. +** key -- The key to access. +** data -- A place to store the returned data. +** flags -- get options. There are currently no defined +** flags for get. +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_get_func) __P((SMDB_DATABASE *db, + SMDB_DBENT *key, + SMDB_DBENT *data, unsigned int flags)); + +/* +** DB_PUT_FUNC -- Sets some data according to the key. +** +** Parameters: +** db -- The database to close. +** key -- The key to use. +** data -- The data to store. +** flags -- put options: +** SMDBF_NO_OVERWRITE - Return an error if key alread +** exists. +** SMDBF_ALLOW_DUP - Allow duplicates in btree maps. +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_put_func) __P((SMDB_DATABASE *db, + SMDB_DBENT *key, + SMDB_DBENT *data, unsigned int flags)); + +/* +** DB_SYNC_FUNC -- Flush any cached information to disk. +** +** Parameters: +** db -- The database to sync. +** flags -- sync options: +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_sync_func) __P((SMDB_DATABASE *db, unsigned int flags)); + +/* +** DB_SET_OWNER_FUNC -- Set the owner and group of the database files. +** +** Parameters: +** db -- The database to set. +** uid -- The UID for the new owner (-1 for no change) +** gid -- The GID for the new owner (-1 for no change) +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_set_owner_func) __P((SMDB_DATABASE *db, uid_t uid, gid_t gid)); + +/* +** DB_CURSOR -- Obtain a cursor for sequential access +** +** Parameters: +** db -- The database to use. +** cursor -- The address of a cursor pointer. +** flags -- sync options: +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_cursor_func) __P((SMDB_DATABASE *db, + SMDB_CURSOR **cursor, unsigned int flags)); + +typedef int (*db_lockfd_func) __P((SMDB_DATABASE *db)); + +struct database_struct +{ + db_close_func smdb_close; + db_del_func smdb_del; + db_fd_func smdb_fd; + db_get_func smdb_get; + db_put_func smdb_put; + db_sync_func smdb_sync; + db_set_owner_func smdb_set_owner; + db_cursor_func smdb_cursor; + db_lockfd_func smdb_lockfd; + void *smdb_impl; +}; +/* +** DB_CURSOR_CLOSE -- Close a cursor +** +** Parameters: +** cursor -- The cursor to close. +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_cursor_close_func) __P((SMDB_CURSOR *cursor)); + +/* +** DB_CURSOR_DEL -- Delete the key/value pair of this cursor +** +** Parameters: +** cursor -- The cursor. +** flags -- flags +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_cursor_del_func) __P((SMDB_CURSOR *cursor, + unsigned int flags)); + +/* +** DB_CURSOR_GET -- Get the key/value of this cursor. +** +** Parameters: +** cursor -- The cursor. +** key -- The current key. +** value -- The current value +** flags -- flags +** +** Returns: +** 0 - Success, otherwise errno. +** SMDBE_LAST_ENTRY - This is a success condition that +** gets returned when the end of the +** database is hit. +** +*/ + +typedef int (*db_cursor_get_func) __P((SMDB_CURSOR *cursor, + SMDB_DBENT *key, + SMDB_DBENT *data, + unsigned int flags)); + +/* +** Flags for DB_CURSOR_GET +*/ + +#define SMDB_CURSOR_GET_FIRST 0 +#define SMDB_CURSOR_GET_LAST 1 +#define SMDB_CURSOR_GET_NEXT 2 +#define SMDB_CURSOR_GET_RANGE 3 + +/* +** DB_CURSOR_PUT -- Put the key/value at this cursor. +** +** Parameters: +** cursor -- The cursor. +** key -- The current key. +** value -- The current value +** flags -- flags +** +** Returns: +** 0 - Success, otherwise errno. +** +*/ + +typedef int (*db_cursor_put_func) __P((SMDB_CURSOR *cursor, + SMDB_DBENT *key, + SMDB_DBENT *data, + unsigned int flags)); + + + +struct cursor_struct +{ + db_cursor_close_func smdbc_close; + db_cursor_del_func smdbc_del; + db_cursor_get_func smdbc_get; + db_cursor_put_func smdbc_put; + void *smdbc_impl; +}; + + +struct database_params_struct +{ + unsigned int smdbp_num_elements; + unsigned int smdbp_cache_size; + bool smdbp_allow_dup; +}; + +typedef struct database_params_struct SMDB_DBPARAMS; + +struct database_user_struct +{ + uid_t smdbu_id; + gid_t smdbu_group_id; + char smdbu_name[SMDB_MAX_USER_NAME_LEN]; +}; + +typedef struct database_user_struct SMDB_USER_INFO; + +struct entry_struct +{ + void *data; + size_t size; +}; + +typedef char *SMDB_DBTYPE; +typedef unsigned int SMDB_FLAG; + +/* +** These are types of databases. +*/ + +# define SMDB_TYPE_DEFAULT NULL +# define SMDB_TYPE_DEFAULT_LEN 0 +# define SMDB_TYPE_HASH "hash" +# define SMDB_TYPE_HASH_LEN 5 +# define SMDB_TYPE_BTREE "btree" +# define SMDB_TYPE_BTREE_LEN 6 +# define SMDB_TYPE_NDBM "dbm" +# define SMDB_TYPE_NDBM_LEN 4 + +/* +** These are flags +*/ + +/* Flags for put */ +# define SMDBF_NO_OVERWRITE 0x00000001 +# define SMDBF_ALLOW_DUP 0x00000002 + + +extern SMDB_DATABASE *smdb_malloc_database __P((void)); +extern void smdb_free_database __P((SMDB_DATABASE *)); +extern int smdb_open_database __P((SMDB_DATABASE **, char *, int, + int, long, SMDB_DBTYPE, + SMDB_USER_INFO *, + SMDB_DBPARAMS *)); +# ifdef NEWDB +extern int smdb_db_open __P((SMDB_DATABASE **, char *, int, int, + long, SMDB_DBTYPE, SMDB_USER_INFO *, + SMDB_DBPARAMS *)); +# endif /* NEWDB */ +# ifdef NDBM +extern int smdb_ndbm_open __P((SMDB_DATABASE **, char *, int, int, + long, SMDB_DBTYPE, + SMDB_USER_INFO *, + SMDB_DBPARAMS *)); +# endif /* NDBM */ +extern int smdb_add_extension __P((char *, int, char *, char *)); +extern int smdb_setup_file __P((char *, char *, int, long, + SMDB_USER_INFO *, struct stat *)); +extern int smdb_lock_file __P((int *, char *, int, long, char *)); +extern int smdb_unlock_file __P((int)); +extern int smdb_filechanged __P((char *, char *, int, + struct stat *)); +extern void smdb_print_available_types __P((void)); +extern char *smdb_db_definition __P((SMDB_DBTYPE)); +extern int smdb_lock_map __P((SMDB_DATABASE *, int)); +extern int smdb_unlock_map __P((SMDB_DATABASE *)); +#endif /* ! _SMDB_H_ */ diff --git a/contrib/sendmail-8.13.4/include/sendmail/mailstats.h b/contrib/sendmail-8.13.4/include/sendmail/mailstats.h new file mode 100644 index 0000000000..faa83cb450 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sendmail/mailstats.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: mailstats.h,v 8.19 2002/06/27 22:47:22 gshapiro Exp $ + */ + +#define STAT_VERSION 4 +#define STAT_MAGIC 0x1B1DE + +/* +** Statistics structure. +*/ + +struct statistics +{ + int stat_magic; /* magic number */ + int stat_version; /* stat file version */ + time_t stat_itime; /* file initialization time */ + short stat_size; /* size of this structure */ + long stat_cf; /* # from connections */ + long stat_ct; /* # to connections */ + long stat_cr; /* # rejected connections */ + long stat_nf[MAXMAILERS]; /* # msgs from each mailer */ + long stat_bf[MAXMAILERS]; /* kbytes from each mailer */ + long stat_nt[MAXMAILERS]; /* # msgs to each mailer */ + long stat_bt[MAXMAILERS]; /* kbytes to each mailer */ + long stat_nr[MAXMAILERS]; /* # rejects by each mailer */ + long stat_nd[MAXMAILERS]; /* # discards by each mailer */ + long stat_nq[MAXMAILERS]; /* # quarantines by each mailer */ +}; diff --git a/contrib/sendmail-8.13.4/include/sendmail/pathnames.h b/contrib/sendmail-8.13.4/include/sendmail/pathnames.h new file mode 100644 index 0000000000..cbf5f4a606 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sendmail/pathnames.h @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: pathnames.h,v 8.36 2002/04/09 22:40:26 gshapiro Exp $ + */ + +#ifndef SM_PATHNAMES_H +# define SM_PATHNAMES_H + + +# ifndef _PATH_SENDMAILCF +# if defined(USE_VENDOR_CF_PATH) && defined(_PATH_VENDOR_CF) +# define _PATH_SENDMAILCF _PATH_VENDOR_CF +# else /* defined(USE_VENDOR_CF_PATH) && defined(_PATH_VENDOR_CF) */ +# define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" +# endif /* defined(USE_VENDOR_CF_PATH) && defined(_PATH_VENDOR_CF) */ +# endif /* ! _PATH_SENDMAILCF */ + +# ifndef _PATH_SENDMAILPID +# ifdef BSD4_4 +# define _PATH_SENDMAILPID "/var/run/sendmail.pid" +# else /* BSD4_4 */ +# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" +# endif /* BSD4_4 */ +# endif /* ! _PATH_SENDMAILPID */ + +# ifndef _PATH_SENDMAIL +# define _PATH_SENDMAIL "/usr/lib/sendmail" +# endif /* ! _PATH_SENDMAIL */ + +# ifndef _PATH_MAILDIR +# define _PATH_MAILDIR "/var/spool/mail" +# endif /* ! _PATH_MAILDIR */ + +# ifndef _PATH_LOCTMP +# define _PATH_LOCTMP "/tmp/local.XXXXXX" +# endif /* ! _PATH_LOCTMP */ + +# ifndef _PATH_HOSTS +# define _PATH_HOSTS "/etc/hosts" +# endif /* ! _PATH_HOSTS */ + + + +# ifndef _DIR_SENDMAILCF +# define _DIR_SENDMAILCF "/etc/mail/" +# endif /* ! _DIR_SENDMAILCF */ + +# define SM_GET_RIGHT_CF 0 /* get "right" .cf */ +# define SM_GET_SENDMAIL_CF 1 /* always use sendmail.cf */ +# define SM_GET_SUBMIT_CF 2 /* always use submit.cf */ + +extern char *getcfname __P((int, int, int, char *)); +#endif /* ! SM_PATHNAMES_H */ diff --git a/contrib/sendmail-8.13.4/include/sendmail/sendmail.h b/contrib/sendmail-8.13.4/include/sendmail/sendmail.h new file mode 100644 index 0000000000..b12a5a1af6 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sendmail/sendmail.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: sendmail.h,v 8.68 2002/07/01 22:18:53 gshapiro Exp $ + */ + +/* +** SENDMAIL.H -- Global definitions for sendmail. +*/ + +#include +#include +#include +#include +#include "conf.h" + +/********************************************************************** +** Table sizes, etc.... +** There shouldn't be much need to change these.... +**********************************************************************/ +#ifndef MAXMAILERS +# define MAXMAILERS 25 /* maximum mailers known to system */ +#endif /* ! MAXMAILERS */ + +/* +** Flags passed to safefile/safedirpath. +*/ + +#define SFF_ANYFILE 0L /* no special restrictions */ +#define SFF_MUSTOWN 0x00000001L /* user must own this file */ +#define SFF_NOSLINK 0x00000002L /* file cannot be a symbolic link */ +#define SFF_ROOTOK 0x00000004L /* ok for root to own this file */ +#define SFF_RUNASREALUID 0x00000008L /* if no ctladdr, run as real uid */ +#define SFF_NOPATHCHECK 0x00000010L /* don't bother checking dir path */ +#define SFF_SETUIDOK 0x00000020L /* set-user-ID files are ok */ +#define SFF_CREAT 0x00000040L /* ok to create file if necessary */ +#define SFF_REGONLY 0x00000080L /* regular files only */ +#define SFF_SAFEDIRPATH 0x00000100L /* no writable directories allowed */ +#define SFF_NOHLINK 0x00000200L /* file cannot have hard links */ +#define SFF_NOWLINK 0x00000400L /* links only in non-writable dirs */ +#define SFF_NOGWFILES 0x00000800L /* disallow world writable files */ +#define SFF_NOWWFILES 0x00001000L /* disallow group writable files */ +#define SFF_OPENASROOT 0x00002000L /* open as root instead of real user */ +#define SFF_NOLOCK 0x00004000L /* don't lock the file */ +#define SFF_NOGRFILES 0x00008000L /* disallow g readable files */ +#define SFF_NOWRFILES 0x00010000L /* disallow o readable files */ +#define SFF_NOTEXCL 0x00020000L /* creates don't need to be exclusive */ +#define SFF_EXECOK 0x00040000L /* executable files are ok (E_SM_ISEXEC) */ +#define SFF_NBLOCK 0x00080000L /* use a non-blocking lock */ +#define SFF_NORFILES (SFF_NOGRFILES|SFF_NOWRFILES) + +/* pseudo-flags */ +#define SFF_NOLINK (SFF_NOHLINK|SFF_NOSLINK) + +/* functions */ +extern int safefile __P((char *, UID_T, GID_T, char *, long, int, struct stat *)); +extern int safedirpath __P((char *, UID_T, GID_T, char *, long, int, int)); +extern int safeopen __P((char *, int, int, long)); +extern SM_FILE_T*safefopen __P((char *, int, int, long)); +extern int dfopen __P((char *, int, int, long)); +extern bool filechanged __P((char *, int, struct stat *)); + +/* +** DontBlameSendmail options +** +** Hopefully nobody uses these. +*/ + +#define DBS_SAFE 0 +#define DBS_ASSUMESAFECHOWN 1 +#define DBS_GROUPWRITABLEDIRPATHSAFE 2 +#define DBS_GROUPWRITABLEFORWARDFILESAFE 3 +#define DBS_GROUPWRITABLEINCLUDEFILESAFE 4 +#define DBS_GROUPWRITABLEALIASFILE 5 +#define DBS_WORLDWRITABLEALIASFILE 6 +#define DBS_FORWARDFILEINUNSAFEDIRPATH 7 +#define DBS_MAPINUNSAFEDIRPATH 8 +#define DBS_LINKEDALIASFILEINWRITABLEDIR 9 +#define DBS_LINKEDCLASSFILEINWRITABLEDIR 10 +#define DBS_LINKEDFORWARDFILEINWRITABLEDIR 11 +#define DBS_LINKEDINCLUDEFILEINWRITABLEDIR 12 +#define DBS_LINKEDMAPINWRITABLEDIR 13 +#define DBS_LINKEDSERVICESWITCHFILEINWRITABLEDIR 14 +#define DBS_FILEDELIVERYTOHARDLINK 15 +#define DBS_FILEDELIVERYTOSYMLINK 16 +#define DBS_WRITEMAPTOHARDLINK 17 +#define DBS_WRITEMAPTOSYMLINK 18 +#define DBS_WRITESTATSTOHARDLINK 19 +#define DBS_WRITESTATSTOSYMLINK 20 +#define DBS_FORWARDFILEINGROUPWRITABLEDIRPATH 21 +#define DBS_INCLUDEFILEINGROUPWRITABLEDIRPATH 22 +#define DBS_CLASSFILEINUNSAFEDIRPATH 23 +#define DBS_ERRORHEADERINUNSAFEDIRPATH 24 +#define DBS_HELPFILEINUNSAFEDIRPATH 25 +#define DBS_FORWARDFILEINUNSAFEDIRPATHSAFE 26 +#define DBS_INCLUDEFILEINUNSAFEDIRPATHSAFE 27 +#define DBS_RUNPROGRAMINUNSAFEDIRPATH 28 +#define DBS_RUNWRITABLEPROGRAM 29 +#define DBS_INCLUDEFILEINUNSAFEDIRPATH 30 +#define DBS_NONROOTSAFEADDR 31 +#define DBS_TRUSTSTICKYBIT 32 +#define DBS_DONTWARNFORWARDFILEINUNSAFEDIRPATH 33 +#define DBS_INSUFFICIENTENTROPY 34 +#define DBS_GROUPREADABLESASLDBFILE 35 +#define DBS_GROUPWRITABLESASLDBFILE 36 +#define DBS_GROUPWRITABLEFORWARDFILE 37 +#define DBS_GROUPWRITABLEINCLUDEFILE 38 +#define DBS_WORLDWRITABLEFORWARDFILE 39 +#define DBS_WORLDWRITABLEINCLUDEFILE 40 +#define DBS_GROUPREADABLEKEYFILE 41 +#if _FFR_GROUPREADABLEAUTHINFOFILE +# define DBS_GROUPREADABLEAUTHINFOFILE 42 +#endif /* _FFR_GROUPREADABLEAUTHINFOFILE */ + +/* struct defining such things */ +struct dbsval +{ + char *dbs_name; /* name of DontBlameSendmail flag */ + unsigned char dbs_flag; /* numeric level */ +}; + +/* Flags for submitmode */ +#define SUBMIT_UNKNOWN 0x0000 /* unknown agent type */ +#define SUBMIT_MTA 0x0001 /* act like a message transfer agent */ +#define SUBMIT_MSA 0x0002 /* act like a message submission agent */ + diff --git a/contrib/sendmail-8.13.4/include/sm/assert.h b/contrib/sendmail-8.13.4/include/sm/assert.h new file mode 100644 index 0000000000..6b8653620c --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/assert.h @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: assert.h,v 1.10 2001/06/07 20:04:53 ca Exp $ + */ + +/* +** libsm abnormal program termination and assertion checking +** See libsm/assert.html for documentation. +*/ + +#ifndef SM_ASSERT_H +# define SM_ASSERT_H + +# include +# include + +/* +** abnormal program termination +*/ + +typedef void (*SM_ABORT_HANDLER_T) __P((const char *, int, const char *)); + +extern SM_DEAD(void +sm_abort_at __P(( + const char *, + int, + const char *))); + +extern void +sm_abort_sethandler __P(( + SM_ABORT_HANDLER_T)); + +extern SM_DEAD(void PRINTFLIKE(1, 2) +sm_abort __P(( + char *, + ...))); + +/* +** assertion checking +*/ + +# ifndef SM_CHECK_ALL +# define SM_CHECK_ALL 1 +# endif /* ! SM_CHECK_ALL */ + +# ifndef SM_CHECK_REQUIRE +# define SM_CHECK_REQUIRE SM_CHECK_ALL +# endif /* ! SM_CHECK_REQUIRE */ + +# ifndef SM_CHECK_ENSURE +# define SM_CHECK_ENSURE SM_CHECK_ALL +# endif /* ! SM_CHECK_ENSURE */ + +# ifndef SM_CHECK_ASSERT +# define SM_CHECK_ASSERT SM_CHECK_ALL +# endif /* ! SM_CHECK_ASSERT */ + +# if SM_CHECK_REQUIRE +# if defined(__STDC__) || defined(__cplusplus) +# define SM_REQUIRE(cond) \ + ((void) ((cond) || (sm_abort_at(__FILE__, __LINE__, \ + "SM_REQUIRE(" #cond ") failed"), 0))) +# else /* defined(__STDC__) || defined(__cplusplus) */ +# define SM_REQUIRE(cond) \ + ((void) ((cond) || (sm_abort_at(__FILE__, __LINE__, \ + "SM_REQUIRE(cond) failed"), 0))) +# endif /* defined(__STDC__) || defined(__cplusplus) */ +# else /* SM_CHECK_REQUIRE */ +# define SM_REQUIRE(cond) ((void) 0) +# endif /* SM_CHECK_REQUIRE */ + +# define SM_REQUIRE_ISA(obj, magic) \ + SM_REQUIRE((obj) != NULL && (obj)->sm_magic == (magic)) + +# if SM_CHECK_ENSURE +# if defined(__STDC__) || defined(__cplusplus) +# define SM_ENSURE(cond) \ + ((void) ((cond) || (sm_abort_at(__FILE__, __LINE__, \ + "SM_ENSURE(" #cond ") failed"), 0))) +# else /* defined(__STDC__) || defined(__cplusplus) */ +# define SM_ENSURE(cond) \ + ((void) ((cond) || (sm_abort_at(__FILE__, __LINE__, \ + "SM_ENSURE(cond) failed"), 0))) +# endif /* defined(__STDC__) || defined(__cplusplus) */ +# else /* SM_CHECK_ENSURE */ +# define SM_ENSURE(cond) ((void) 0) +# endif /* SM_CHECK_ENSURE */ + +# if SM_CHECK_ASSERT +# if defined(__STDC__) || defined(__cplusplus) +# define SM_ASSERT(cond) \ + ((void) ((cond) || (sm_abort_at(__FILE__, __LINE__, \ + "SM_ASSERT(" #cond ") failed"), 0))) +# else /* defined(__STDC__) || defined(__cplusplus) */ +# define SM_ASSERT(cond) \ + ((void) ((cond) || (sm_abort_at(__FILE__, __LINE__, \ + "SM_ASSERT(cond) failed"), 0))) +# endif /* defined(__STDC__) || defined(__cplusplus) */ +# else /* SM_CHECK_ASSERT */ +# define SM_ASSERT(cond) ((void) 0) +# endif /* SM_CHECK_ASSERT */ + +extern SM_DEBUG_T SmExpensiveRequire; +extern SM_DEBUG_T SmExpensiveEnsure; +extern SM_DEBUG_T SmExpensiveAssert; + +#endif /* ! SM_ASSERT_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/bdb.h b/contrib/sendmail-8.13.4/include/sm/bdb.h new file mode 100644 index 0000000000..babe1fff99 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/bdb.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2002, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: bdb.h,v 1.4 2003/03/06 16:30:05 ca Exp $ + */ + +#ifndef SM_BDB_H +#define SM_BDB_H + +#if NEWDB +# include +# ifndef DB_VERSION_MAJOR +# define DB_VERSION_MAJOR 1 +# endif /* ! DB_VERSION_MAJOR */ + +# if DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1 + +# define DBTXN NULL , + +/* +** Always turn on DB_FCNTL_LOCKING for DB 4.1.x since its +** "workaround" for accepting an empty (locked) file depends on +** this flag. Notice: this requires 4.1.24 + patch (which should be +** part of 4.1.25). +*/ + +# define SM_DB_FLAG_ADD(flag) (flag) |= DB_FCNTL_LOCKING + +# else /* DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1 */ + +# define DBTXN +# if !HASFLOCK && defined(DB_FCNTL_LOCKING) +# define SM_DB_FLAG_ADD(flag) (flag) |= DB_FCNTL_LOCKING +# else /* !HASFLOCK && defined(DB_FCNTL_LOCKING) */ +# define SM_DB_FLAG_ADD(flag) ((void) 0) +# endif /* !HASFLOCK && defined(DB_FCNTL_LOCKING) */ + +# endif /* DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1 */ +#endif /* NEWDB */ + +#endif /* ! SM_BDB_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/bitops.h b/contrib/sendmail-8.13.4/include/sm/bitops.h new file mode 100644 index 0000000000..44778ba8b2 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/bitops.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: bitops.h,v 1.2 2001/09/22 22:05:42 ca Exp $ + */ + +#ifndef SM_BITOPS_H +# define SM_BITOPS_H + +/* +** Data structure for bit maps. +** +** Each bit in this map can be referenced by an ascii character. +** This is 256 possible bits, or 32 8-bit bytes. +*/ + +# define BITMAPBITS 256 /* number of bits in a bit map */ +# define BYTEBITS 8 /* number of bits in a byte */ +# define BITMAPBYTES (BITMAPBITS / BYTEBITS) /* number of bytes in bit map */ +# define BITMAPMAX ((BITMAPBYTES / sizeof (int)) - 1) + +/* internal macros */ + +/* make sure this index never leaves the allowed range: 0 to BITMAPMAX */ +# define _BITWORD(bit) (((unsigned char)(bit) / (BYTEBITS * sizeof (int))) & BITMAPMAX) +# define _BITBIT(bit) ((unsigned int)1 << ((unsigned char)(bit) % (BYTEBITS * sizeof (int)))) + +typedef unsigned int BITMAP256[BITMAPBYTES / sizeof (int)]; + +/* properly case and truncate bit */ +# define bitidx(bit) ((unsigned int) (bit) & 0xff) + +/* test bit number N */ +# define bitnset(bit, map) ((map)[_BITWORD(bit)] & _BITBIT(bit)) + +/* set bit number N */ +# define setbitn(bit, map) (map)[_BITWORD(bit)] |= _BITBIT(bit) + +/* clear bit number N */ +# define clrbitn(bit, map) (map)[_BITWORD(bit)] &= ~_BITBIT(bit) + +/* clear an entire bit map */ +# define clrbitmap(map) memset((char *) map, '\0', BITMAPBYTES) + +/* bit hacking */ +# define bitset(bit, word) (((word) & (bit)) != 0) + +#endif /* ! SM_BITOPS_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/cdefs.h b/contrib/sendmail-8.13.4/include/sm/cdefs.h new file mode 100644 index 0000000000..046ea04920 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/cdefs.h @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: cdefs.h,v 1.16 2003/12/05 22:45:25 ca Exp $ + */ + +/* +** libsm C language portability macros +** See libsm/cdefs.html for documentation. +*/ + +#ifndef SM_CDEFS_H +# define SM_CDEFS_H + +# include + +/* +** BSD and Linux have which defines a set of C language +** portability macros that are a defacto standard in the open source +** community. +*/ + +# if SM_CONF_SYS_CDEFS_H +# include +# endif /* SM_CONF_SYS_CDEFS_H */ + +/* +** Define the standard C language portability macros +** for platforms that lack . +*/ + +# if !SM_CONF_SYS_CDEFS_H +# if defined(__cplusplus) +# define __BEGIN_DECLS extern "C" { +# define __END_DECLS }; +# else /* defined(__cplusplus) */ +# define __BEGIN_DECLS +# define __END_DECLS +# endif /* defined(__cplusplus) */ +# if defined(__STDC__) || defined(__cplusplus) +# ifndef __P +# define __P(protos) protos +# endif /* __P */ +# define __CONCAT(x,y) x ## y +# define __STRING(x) #x +# else /* defined(__STDC__) || defined(__cplusplus) */ +# define __P(protos) () +# define __CONCAT(x,y) x/**/y +# define __STRING(x) "x" +# define const +# define signed +# define volatile +# endif /* defined(__STDC__) || defined(__cplusplus) */ +# endif /* !SM_CONF_SYS_CDEFS_H */ + +/* +** Define SM_DEAD, a macro used to declare functions that do not return +** to their caller. +*/ + +# ifndef SM_DEAD +# if __GNUC__ >= 2 +# if __GNUC__ == 2 && __GNUC_MINOR__ < 5 +# define SM_DEAD(proto) volatile proto +# define SM_DEAD_D volatile +# else /* __GNUC__ == 2 && __GNUC_MINOR__ < 5 */ +# define SM_DEAD(proto) proto __attribute__((__noreturn__)) +# define SM_DEAD_D +# endif /* __GNUC__ == 2 && __GNUC_MINOR__ < 5 */ +# else /* __GNUC__ >= 2 */ +# define SM_DEAD(proto) proto +# define SM_DEAD_D +# endif /* __GNUC__ >= 2 */ +# endif /* SM_DEAD */ + +/* +** Define SM_UNUSED, a macro used to declare variables that may be unused. +*/ + +# ifndef SM_UNUSED +# if __GNUC__ >= 2 +# if __GNUC__ == 2 && __GNUC_MINOR__ < 7 +# define SM_UNUSED(decl) decl +# else /* __GNUC__ == 2 && __GNUC_MINOR__ < 7 */ +# define SM_UNUSED(decl) decl __attribute__((__unused__)) +# endif /* __GNUC__ == 2 && __GNUC_MINOR__ < 7 */ +# else /* __GNUC__ >= 2 */ +# define SM_UNUSED(decl) decl +# endif /* __GNUC__ >= 2 */ +# endif /* SM_UNUSED */ + +/* +** The SM_NONVOLATILE macro is used to declare variables that are not +** volatile, but which must be declared volatile when compiling with +** gcc -O -Wall in order to suppress bogus warning messages. +** +** Variables that actually are volatile should be declared volatile +** using the "volatile" keyword. If a variable actually is volatile, +** then SM_NONVOLATILE should not be used. +** +** To compile sendmail with gcc and see all non-bogus warnings, +** you should use +** gcc -O -Wall -DSM_OMIT_BOGUS_WARNINGS ... +** Do not use -DSM_OMIT_BOGUS_WARNINGS when compiling the production +** version of sendmail, because there is a performance hit. +*/ + +# ifdef SM_OMIT_BOGUS_WARNINGS +# define SM_NONVOLATILE volatile +# else /* SM_OMIT_BOGUS_WARNINGS */ +# define SM_NONVOLATILE +# endif /* SM_OMIT_BOGUS_WARNINGS */ + +/* +** Turn on format string argument checking. +*/ + +# ifndef SM_CONF_FORMAT_TEST +# if __GNUC__ == 2 && __GNUC_MINOR__ >= 7 +# define SM_CONF_FORMAT_TEST 1 +# else /* __GNUC__ == 2 && __GNUC_MINOR__ >= 7 */ +# define SM_CONF_FORMAT_TEST 0 +# endif /* __GNUC__ == 2 && __GNUC_MINOR__ >= 7 */ +# endif /* SM_CONF_FORMAT_TEST */ + +# ifndef PRINTFLIKE +# if SM_CONF_FORMAT_TEST +# define PRINTFLIKE(x,y) __attribute__ ((__format__ (__printf__, x, y))) +# else /* SM_CONF_FORMAT_TEST */ +# define PRINTFLIKE(x,y) +# endif /* SM_CONF_FORMAT_TEST */ +# endif /* ! PRINTFLIKE */ + +# ifndef SCANFLIKE +# if SM_CONF_FORMAT_TEST +# define SCANFLIKE(x,y) __attribute__ ((__format__ (__scanf__, x, y))) +# else /* SM_CONF_FORMAT_TEST */ +# define SCANFLIKE(x,y) +# endif /* SM_CONF_FORMAT_TEST */ +# endif /* ! SCANFLIKE */ + +#endif /* ! SM_CDEFS_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/cf.h b/contrib/sendmail-8.13.4/include/sm/cf.h new file mode 100644 index 0000000000..3869210f6b --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/cf.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: cf.h,v 1.2 2001/03/08 03:23:07 ca Exp $ + */ + +#ifndef SM_CF_H +# define SM_CF_H + +#include + +typedef struct +{ + char *opt_name; + char *opt_val; +} SM_CF_OPT_T; + +extern int +sm_cf_getopt __P(( + char *path, + int optc, + SM_CF_OPT_T *optv)); + +#endif /* ! SM_CF_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/clock.h b/contrib/sendmail-8.13.4/include/sm/clock.h new file mode 100644 index 0000000000..ba7fd68910 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/clock.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 1998-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: clock.h,v 1.12 2004/08/03 19:57:21 ca Exp $ + */ + +/* +** CLOCK.H -- for co-ordinating timed events +*/ + +#ifndef _SM_CLOCK_H +# define _SM_CLOCK_H 1 + +# include +# if SM_CONF_SETITIMER +# include +# endif /* SM_CONF_SETITIMER */ + +/* +** STRUCT SM_EVENT -- event queue. +** +** Maintained in sorted order. +** +** We store the pid of the process that set this event to insure +** that when we fork we will not take events intended for the parent. +*/ + +struct sm_event +{ +# if SM_CONF_SETITIMER + struct timeval ev_time; /* time of the call (microseconds) */ +# else /* SM_CONF_SETITIMER */ + time_t ev_time; /* time of the call (seconds) */ +# endif /* SM_CONF_SETITIMER */ + void (*ev_func)__P((int)); + /* function to call */ + int ev_arg; /* argument to ev_func */ + pid_t ev_pid; /* pid that set this event */ + struct sm_event *ev_link; /* link to next item */ +}; + +typedef struct sm_event SM_EVENT; + +/* functions */ +extern void sm_clrevent __P((SM_EVENT *)); +extern void sm_clear_events __P((void)); +extern SM_EVENT *sm_seteventm __P((int, void(*)__P((int)), int)); +extern SM_EVENT *sm_sigsafe_seteventm __P((int, void(*)__P((int)), int)); +extern SIGFUNC_DECL sm_tick __P((int)); + +/* +** SM_SETEVENT -- set an event to happen at a specific time in seconds. +** +** Translates the seconds into millseconds and calls sm_seteventm() +** to get a specific event to happen in the future at a specific time. +** +** Parameters: +** t -- intvl until next event occurs (seconds). +** f -- function to call on event. +** a -- argument to func on event. +** +** Returns: +** result of sm_seteventm(). +** +** Side Effects: +** Any that sm_seteventm() have. +*/ + +#define sm_setevent(t, f, a) sm_seteventm((int)((t) * 1000), (f), (a)) +#define sm_sigsafe_setevent(t, f, a) sm_sigsafe_seteventm((int)((t) * 1000), (f), (a)) + +#endif /* _SM_CLOCK_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/conf.h b/contrib/sendmail-8.13.4/include/sm/conf.h new file mode 100644 index 0000000000..087ccd12fe --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/conf.h @@ -0,0 +1,2959 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: conf.h,v 1.120 2005/03/22 22:07:53 ca Exp $ + */ + +/* +** CONF.H -- All user-configurable parameters for sendmail +** +** Send updates to sendmail@Sendmail.ORG so they will be +** included in the next release. +*/ + +#ifndef SM_CONF_H +# define SM_CONF_H 1 + + +# include +# include + +/* +** General "standard C" defines. +** +** These may be undone later, to cope with systems that claim to +** be Standard C but aren't. Gcc is the biggest offender -- it +** doesn't realize that the library is part of the language. +** +** Life would be much easier if we could get rid of this sort +** of bozo problems. +*/ + +# ifdef __STDC__ +# define HASSETVBUF 1 /* we have setvbuf(3) in libc */ +# endif /* __STDC__ */ + +/* +** Assume you have standard calls; can be #undefed below if necessary. +*/ + +# ifndef HASLSTAT +# define HASLSTAT 1 /* has lstat(2) call */ +# endif /* ! HASLSTAT */ + +# ifndef HASNICE +# define HASNICE 1 /* has nice(2) call */ +# endif /* ! HASNICE */ + +# ifndef HASRRESVPORT +# define HASRRESVPORT 1 /* has rrsevport(3) call */ +# endif /* ! HASRRESVPORT */ + +/********************************************************************** +** "Hard" compilation options. +** #define these if they are available; comment them out otherwise. +** These cannot be overridden from the Makefile, and should really not +** be turned off unless absolutely necessary. +**********************************************************************/ + +#define LOG 1 /* enable logging -- don't turn off */ + +/********************************************************************** +** Operating system configuration. +** +** Unless you are porting to a new OS, you shouldn't have to +** change these. +**********************************************************************/ + +/* +** HP-UX -- tested for 8.07, 9.00, and 9.01. +** +** If V4FS is defined, compile for HP-UX 10.0. +** 11.x support from Richard Allen . +*/ + +# ifdef __hpux + /* common definitions for HP-UX 9.x and 10.x */ +# undef m_flags /* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */ +# define SYSTEM5 1 /* include all the System V defines */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASSETRESGID 1 /* use setresgid(2) to set saved gid */ +# define BOGUS_O_EXCL 1 /* exclusive open follows symlinks */ +# define seteuid(e) setresuid(-1, e, -1) +# define IP_SRCROUTE 1 /* can check IP source routing */ +# define LA_TYPE LA_HPUX +# define SPT_TYPE SPT_PSTAT +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# define GIDSET_T gid_t +# define LDA_USE_LOCKF 1 +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ +# endif /* ! HASGETUSERSHELL */ +# ifdef HPUX10 +# define _PATH_SENDMAIL "/usr/sbin/sendmail" +# ifndef SMRSH_CMDDIR +# define SMRSH_CMDDIR "/var/adm/sm.bin" +# endif /* ! SMRSH_CMDDIR */ +# endif /* HPUX10 */ +# ifdef HPUX11 +# define HASSETREUID 1 /* setreuid(2) works on HP-UX 11.x */ +# define HASFCHOWN 1 /* has fchown(2) */ +# ifndef BROKEN_RES_SEARCH +# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ +# endif /* ! BROKEN_RES_SEARCH */ +# ifndef SMRSH_CMDDIR +# define SMRSH_CMDDIR "/var/adm/sm.bin" +# endif /* ! SMRSH_CMDDIR */ +# define _PATH_SENDMAIL "/usr/sbin/sendmail" +# else /* HPUX11 */ +# ifndef NOT_SENDMAIL +# define syslog hard_syslog +# endif /* ! NOT_SENDMAIL */ +# endif /* HPUX11 */ +# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */ + +# ifdef V4FS + /* HP-UX 10.x */ +# define _PATH_UNIX "/stand/vmunix" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# ifndef IDENTPROTO +# define IDENTPROTO 1 /* TCP/IP implementation fixed in 10.0 */ +# endif /* ! IDENTPROTO */ +# include /* for mpctl() in get_num_procs_online() */ +# else /* V4FS */ + /* HP-UX 9.x */ +# define _PATH_UNIX "/hp-ux" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# ifdef __STDC__ +extern void hard_syslog(int, char *, ...); +# else /* __STDC__ */ +extern void hard_syslog(); +# endif /* __STDC__ */ +# define FDSET_CAST (int *) /* cast for fd_set parameters to select */ +# endif /* V4FS */ + +# endif /* __hpux */ + +/* +** IBM AIX 5.x +*/ + +# ifdef _AIX5 +# define _AIX4 40300 +# define SOCKADDR_LEN_T socklen_t /* e.g., arg#3 to accept, getsockname */ +# define SOCKOPT_LEN_T socklen_t /* arg#5 to getsockopt */ +# if _AIX5 >= 50200 +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# endif /* _AIX5 >= 50200 */ +# endif /* _AIX5 */ + +/* +** IBM AIX 4.x +*/ + +# ifdef _AIX4 +# define _AIX3 1 /* pull in AIX3 stuff */ +# define BSD4_4_SOCKADDR /* has sa_len */ +# define USESETEUID 1 /* seteuid(2) works */ +# define TZ_TYPE TZ_NAME /* use tzname[] vector */ +# ifndef SOCKOPT_LEN_T +# define SOCKOPT_LEN_T size_t /* arg#5 to getsockopt */ +# endif /* SOCKOPT_LEN_T */ +# if _AIX4 >= 40200 +# define HASSETREUID 1 /* setreuid(2) works as of AIX 4.2 */ +# ifndef SOCKADDR_LEN_T +# define SOCKADDR_LEN_T size_t /* e.g., arg#3 to accept, getsockname */ +# endif /* SOCKADDR_LEN_T */ +# endif /* _AIX4 >= 40200 */ +# if defined(_ILS_MACROS) /* IBM versions aren't side-effect clean */ +# undef isascii +# define isascii(c) !(c & ~0177) +# undef isdigit +# define isdigit(__a) (_IS(__a,_ISDIGIT)) +# undef isspace +# define isspace(__a) (_IS(__a,_ISSPACE)) +# endif /* defined(_ILS_MACROS) */ +# endif /* _AIX4 */ + + +/* +** IBM AIX 3.x -- actually tested for 3.2.3 +*/ + +# ifdef _AIX3 +# include +# include /* to get byte order */ +# include +# define HASFCHOWN 1 /* has fchown(2) */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */ +# define GIDSET_T gid_t +# define SFS_TYPE SFS_STATFS /* use statfs() impl */ +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# ifndef LA_TYPE +# define LA_TYPE LA_INT +# endif /* LA_TYPE */ +# define FSHIFT 16 +# define LA_AVENRUN "avenrun" +# if !defined(_AIX4) || _AIX4 < 40300 +# ifndef __BIT_TYPES_DEFINED__ +# define SM_INT32 int +# endif /* __BIT_TYPES_DEFINED__ */ +# endif /* !defined(_AIX4) || _AIX4 < 40300 */ +# if !defined(_AIX4) || _AIX4 < 40200 +# define SM_CONF_SYSLOG 0 +# endif /* !defined(_AIX4) || _AIX4 < 40200 */ +# endif /* _AIX3 */ + + +/* +** IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773 +** +** From Mark Whetzel . +*/ + +# ifdef AIX /* AIX/RT compiler pre-defines this */ +# include +# include /* AIX/RT resource.h does NOT include this */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define HASFCHMOD 0 /* does not have fchmod(2) syscall */ +# define HASSETREUID 1 /* use setreuid(2) -lbsd system call */ +# define HASSETVBUF 1 /* use setvbuf(2) system call */ +# define HASSETRLIMIT 0 /* does not have setrlimit call */ +# define HASFLOCK 0 /* does not have flock call - use fcntl */ +# define HASULIMIT 1 /* use ulimit instead of setrlimit call */ +# define SM_CONF_GETOPT 0 /* Do we need theirs or ours */ +# define SYS5SETPGRP 1 /* don't have setpgid on AIX/RT */ +# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */ +# define BSD4_3 1 /* NOT bsd 4.4 or posix signals */ +# define GIDSET_T int +# define SFS_TYPE SFS_STATFS /* use statfs() impl */ +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# define LA_TYPE LA_SUBR /* use our ported loadavgd daemon */ +# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ +# define ARBPTR_T int * +# define void int +typedef int pid_t; +/* RTisms for BSD compatibility, specified in the Makefile + define BSD 1 + define BSD_INCLUDES 1 + define BSD_REMAP_SIGNAL_TO_SIGVEC + RTisms needed above */ +/* make this sendmail in a completely different place */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/local/newmail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/usr/local/newmail/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# endif /* AIX */ + +# if defined(_AIX) +# define LDA_USE_LOCKF 1 +# define LDA_USE_SETEUID 1 +# endif /* defined(_AIX) */ + +/* +** Silicon Graphics IRIX +** +** Compiles on 4.0.1. +** +** Use IRIX64 instead of IRIX for 64-bit IRIX (6.0). +** Use IRIX5 instead of IRIX for IRIX 5.x. +** +** IRIX64 changes from Mark R. Levinson . +** IRIX5 changes from Kari E. Hurtta . +*/ + +# ifdef IRIX +# define SYSTEM5 1 /* this is a System-V derived system */ +# define HASSETREUID 1 /* has setreuid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define IP_SRCROUTE 1 /* can check IP source routing */ +# define setpgid BSDsetpgrp +# define GIDSET_T gid_t +# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define SYSLOG_BUFSIZE 512 +# if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) + /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */ +# define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN +# endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */ +# ifdef IRIX6 +# define STAT64 1 +# define QUAD_T unsigned long long +# define LA_TYPE LA_IRIX6 /* figure out at run time */ +# define SAFENFSPATHCONF 0 /* pathconf(2) lies on NFS filesystems */ +# else /* IRIX6 */ +# define LA_TYPE LA_INT + +# ifdef IRIX64 +# define STAT64 1 +# define QUAD_T unsigned long long +# define NAMELISTMASK 0x7fffffffffffffff /* mask for nlist() values */ +# else /* IRIX64 */ +# define STAT64 0 +# define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ +# endif /* IRIX64 */ +# endif /* IRIX6 */ +# if defined(IRIX64) || defined(IRIX5) || defined(IRIX6) +# include +# include +# define ARGV_T char *const * +# define HASFCHOWN 1 /* has fchown(2) */ +# define HASSETRLIMIT 1 /* has setrlimit(2) syscall */ +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) syscall */ +# define HASSTRERROR 1 /* has strerror(3) */ +# else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */ +# define ARGV_T const char ** +# define WAITUNION 1 /* use "union wait" as wait argument type */ +# endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */ +# endif /* IRIX */ + + +/* +** SunOS and Solaris +** +** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and +** Solaris 2.4 (a.k.a. SunOS 5.4). +*/ + +# if defined(sun) && !defined(BSD) + +# include +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define IP_SRCROUTE 1 /* can check IP source routing */ +# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */ +# ifndef HASFCHOWN +# define HASFCHOWN 1 /* fchown(2) */ +# endif /* ! HASFCHOWN */ + +# ifdef __svr4__ +# define LDA_USE_LOCKF 1 +# define LDA_USE_SETEUID 1 +# define _PATH_MAILDIR "/var/mail" +# endif /* __svr4__ */ + +# ifdef SOLARIS_2_3 +# define SOLARIS 20300 /* for back compat only -- use -DSOLARIS=20300 */ +# endif /* SOLARIS_2_3 */ + +# if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) +# define SOLARIS 1 /* unknown Solaris version */ +# endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */ + +# ifdef SOLARIS + /* Solaris 2.x (a.k.a. SunOS 5.x) */ +# ifndef __svr4__ +# define __svr4__ /* use all System V Release 4 defines below */ +# endif /* ! __svr4__ */ +# define GIDSET_T gid_t +# define USE_SA_SIGACTION 1 /* use sa_sigaction field */ +# define BROKEN_PTHREAD_SLEEP 1 /* sleep after pthread_create() fails */ +# define HASSTRERROR 1 /* has strerror(3) */ +# ifndef _PATH_UNIX +# define _PATH_UNIX "/dev/ksyms" +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# ifndef _PATH_HOSTS +# define _PATH_HOSTS "/etc/inet/hosts" +# endif /* ! _PATH_HOSTS */ +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ +# endif /* ! SYSLOG_BUFSIZE */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_TZNAME +# endif /* ! TZ_TYPE */ +# if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) +# define USESETEUID 1 /* seteuid works as of 2.3 */ +# define LDA_CONTENTLENGTH 1 /* Needs the Content-Length header */ +# endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */ +# if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) +# define HASSETREUID 1 /* setreuid works as of 2.5 */ +# define HASSETREGID 1 /* use setregid(2) to set saved gid */ +# if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) +# ifndef LA_TYPE +# define LA_TYPE LA_KSTAT /* use kstat(3k) -- may work in < 2.5 */ +# endif /* ! LA_TYPE */ +# ifndef RANDOMSHIFT /* random() doesn't work well (sometimes) */ +# define RANDOMSHIFT 8 +# endif /* ! RANDOMSHIFT */ +# endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */ +# else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */ +# ifndef HASRANDOM +# define HASRANDOM 0 /* doesn't have random(3) */ +# endif /* ! HASRANDOM */ +# endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */ +# if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 +# define SM_INT32 int /* 32bit integer */ +# endif /* (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 */ +# if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) +# ifndef LA_TYPE +# include +# if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) +# include +# define LA_TYPE LA_PSET /* pset_getloadavg(3c) appears in 2.9 */ +# else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */ +# define LA_TYPE LA_SUBR /* getloadavg(3c) appears in 2.7 */ +# endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */ +# endif /* ! LA_TYPE */ +# define HASGETUSERSHELL 1 /* getusershell(3c) bug fixed in 2.7 */ +# endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */ +# if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) +# undef _PATH_SENDMAILPID /* tmpfs /var/run added in 2.8 */ +# define _PATH_SENDMAILPID "/var/run/sendmail.pid" +# ifndef SMRSH_CMDDIR +# define SMRSH_CMDDIR "/var/adm/sm.bin" +# endif /* ! SMRSH_CMDDIR */ +# define SL_FUDGE 34 /* fudge offset for SyslogPrefixLen */ +# endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */ +# if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) +# define HASURANDOMDEV 1 /* /dev/[u]random added in S9 */ +# define HASCLOSEFROM 1 /* closefrom(3c) added in S9 */ +# define HASFDWALK 1 /* fdwalk(3c) added in S9 */ +# endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */ +# if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210) +# define HASUNSETENV 1 /* unsetenv() added in S10 */ +# endif /* SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210) */ +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps pre-2.7 */ +# endif /* ! HASGETUSERSHELL */ + +# else /* SOLARIS */ + /* SunOS 4.0.3 or 4.1.x */ +# define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ +# define HASSETREUID 1 /* has setreuid(2) call */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone */ +# include +# include +# ifdef __GNUC__ +# define strtoul strtol /* gcc library bogosity */ +# endif /* __GNUC__ */ +# define memmove(d, s, l) (bcopy((s), (d), (l))) +# define atexit(f) on_exit((f), 0) /* ugly hack for SunOS */ +# define SM_INT32 int /* 32bit integer */ +# define SM_ALIGN_SIZE (sizeof(long)) +# define GIDSET_T int +# define SM_CONF_SYSLOG 0 + +# ifdef SUNOS403 + /* special tweaking for SunOS 4.0.3 */ +# include +# define BSD4_3 1 /* 4.3 BSD-based */ +# define NEEDSTRSTR 1 /* need emulation of strstr(3) routine */ +# define WAITUNION 1 /* use "union wait" as wait argument type */ +# undef WIFEXITED +# undef WEXITSTATUS +# undef HASUNAME +# define setpgid setpgrp +# define MODE_T int +typedef int pid_t; +extern char *getenv(); + +# else /* SUNOS403 */ + /* 4.1.x specifics */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASSETVBUF 1 /* we have setvbuf(3) in libc */ + +# endif /* SUNOS403 */ +# endif /* SOLARIS */ + +# ifndef LA_TYPE +# define LA_TYPE LA_INT +# endif /* ! LA_TYPE */ + +# endif /* defined(sun) && !defined(BSD) */ + +/* +** DG/UX +** +** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the +** older support. +** 5.4.3 changes from Mark T. Robinson . +*/ + +# ifdef DGUX_5_4_2 +# define DGUX 1 +# endif /* DGUX_5_4_2 */ + +# ifdef DGUX +# define SYSTEM5 1 +# define LA_TYPE LA_DGUX +# define HASSETREUID 1 /* has setreuid(2) call */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define IP_SRCROUTE 0 /* does not have */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) */ +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# define SPT_TYPE SPT_NONE /* don't use setproctitle */ +# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ +# define LDA_USE_LOCKF 1 + +/* these include files must be included early on DG/UX */ +# include +# include + +/* compiler doesn't understand const? */ +# define const + +# ifdef DGUX_5_4_2 +# define inet_addr dgux_inet_addr +extern long dgux_inet_addr(); +# endif /* DGUX_5_4_2 */ +# endif /* DGUX */ + + +/* +** Digital Ultrix 4.2 - 4.5 +** +** Apparently, fcntl locking is broken on 4.2A, in that locks are +** not dropped when the process exits. This causes major problems, +** so flock is the only alternative. +*/ + +# ifdef ultrix +# define HASSETREUID 1 /* has setreuid(2) call */ +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASFCHOWN 1 /* has fchown(2) syscall */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# ifndef BROKEN_RES_SEARCH +# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ +# endif /* ! BROKEN_RES_SEARCH */ +# if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 +# define NEEDLOCAL_HOSTNAME_LENGTH 1 /* see sendmail/README */ +# endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */ +# ifdef vax +# define LA_TYPE LA_FLOAT +# else /* vax */ +# define LA_TYPE LA_INT +# define LA_AVENRUN "avenrun" +# endif /* vax */ +# define SFS_TYPE SFS_MOUNT /* use statfs() impl */ +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* pre-4.4 TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# define SYSLOG_BUFSIZE 256 +# define SM_CONF_SYSLOG 0 +# endif /* ultrix */ + + +/* +** OSF/1 for KSR. +** +** Contributed by Todd C. Miller +*/ + +# ifdef __ksr__ +# define __osf__ 1 /* get OSF/1 defines below */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ +# endif /* ! TZ_TYPE */ +# endif /* __ksr__ */ + + +/* +** OSF/1 for Intel Paragon. +** +** Contributed by Jeff A. Earickson +** of Intel Scalable Systems Divison. +*/ + +# ifdef __PARAGON__ +# define __osf__ 1 /* get OSF/1 defines below */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ +# endif /* ! TZ_TYPE */ +# define GIDSET_T gid_t +# define MAXNAMLEN NAME_MAX +# endif /* __PARAGON__ */ + + +/* +** Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1 +** +** Tested for 3.2 and 4.0. +*/ + +# ifdef __osf__ +# define HASUNAME 1 /* has uname(2) call */ +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASFCHOWN 1 /* has fchown(2) syscall */ +# define HASSETLOGIN 1 /* has setlogin(2) */ +# define IP_SRCROUTE 1 /* can check IP source routing */ +# define HAS_ST_GEN 1 /* has st_gen field in stat struct */ +# define GIDSET_T gid_t +# define SM_INT32 int /* 32bit integer */ +# ifndef HASFLOCK +# include +# if _XOPEN_SOURCE+0 >= 400 +# define HASFLOCK 0 /* 5.0 and later has bad flock(2) call */ +# else /* _XOPEN_SOURCE+0 >= 400 */ +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* _XOPEN_SOURCE+0 >= 400 */ +# endif /* ! HASFLOCK */ +# define LA_TYPE LA_ALPHAOSF +# define SFS_TYPE SFS_STATVFS /* use statfs() impl */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/var/adm/sendmail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/var/run/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# if _FFR_DIGUNIX_SAFECHOWN +/* +** Testing on a Digital UNIX 4.0a system showed this to be the correct +** setting but given the security consequences, more testing and +** verification is needed. Unfortunately, the man page offers no +** assistance. +*/ +# define IS_SAFE_CHOWN >= 0 +# endif /* _FFR_DIGUNIX_SAFECHOWN */ +# endif /* __osf__ */ + + +/* +** NeXTstep +*/ + +# ifdef NeXT +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define NEEDPUTENV 2 /* need putenv(3) call; no setenv(3) call */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# define UID_T int /* compiler gripes on uid_t */ +# define GID_T int /* ditto for gid_t */ +# define MODE_T int /* and mode_t */ +# define setpgid setpgrp +# ifndef NOT_SENDMAIL +# define sleep sleepX +# endif /* ! NOT_SENDMAIL */ +# ifndef LA_TYPE +# define LA_TYPE LA_MACH +# endif /* ! LA_TYPE */ +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# ifdef _POSIX_SOURCE +extern struct passwd *getpwent(); +# else /* _POSIX_SOURCE */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define WAITUNION 1 /* use "union wait" as wait argument type */ +typedef int pid_t; +# undef WEXITSTATUS +# undef WIFEXITED +# undef WIFSTOPPED +# undef WTERMSIG +# endif /* _POSIX_SOURCE */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/etc/sendmail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# define SM_INT32 int /* 32bit integer */ + +# ifdef TCPWRAPPERS +# ifndef HASUNSETENV +# define HASUNSETENV 1 +# endif /* ! HASUNSETENV */ +# undef NEEDPUTENV +# endif /* TCPWRAPPERS */ +# ifndef __APPLE__ +# include +# ifndef S_IRUSR +# define S_IRUSR S_IREAD +# endif /* ! S_IRUSR */ +# ifndef S_IWUSR +# define S_IWUSR S_IWRITE +# endif /* ! S_IWUSR */ +# define _PATH_MAILDIR "/usr/spool/mail" +# endif /* ! __APPLE__ */ +# ifndef isascii +# define isascii(c) ((unsigned)(c) <= 0177) +# endif /* ! isascii */ +# endif /* NeXT */ + +/* +** Apple Darwin +** Contributed by Wilfredo Sanchez +*/ + +# if defined(DARWIN) +# define HASFCHMOD 1 /* has fchmod(2) */ +# define HASFCHOWN 1 /* has fchown(2) */ +# define HASFLOCK 1 /* has flock(2) */ +# define HASUNAME 1 /* has uname(2) */ +# define HASUNSETENV 1 /* has unsetenv(3) */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) */ +# define HASSETVBUF 1 /* has setvbuf (3) */ +# define HASSETREUID 0 /* setreuid(2) unusable */ +# define HASSETEUID 1 /* has seteuid(2) */ +# define USESETEUID 1 /* has seteuid(2) */ +# define HASSETEGID 1 /* has setegid(2) */ +# define HASSETREGID 1 /* has setregid(2) */ +# define HASSETRESGID 0 /* no setresgid(2) */ +# define HASLSTAT 1 /* has lstat(2) */ +# define HASSETRLIMIT 1 /* has setrlimit(2) */ +# define HASWAITPID 1 /* has waitpid(2) */ +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) */ +# define HAS_ST_GEN 1 /* has st_gen field in struct stat */ +# define HASURANDOMDEV 1 /* has urandom(4) */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define HASGETUSERSHELL 1 /* had getusershell(3) */ +# define GIDSET_T gid_t /* getgroups(2) takes gid_t */ +# define LA_TYPE LA_SUBR /* use getloadavg(3) */ +# define SFS_TYPE SFS_MOUNT /* use statfs() impl */ +# define SPT_TYPE SPT_PSSTRINGS /* use magic PS_STRINGS pointer for setproctitle */ +# define ERRLIST_PREDEFINED /* don't declare sys_errlist */ +# define BSD4_4_SOCKADDR /* struct sockaddr has sa_len */ +# define SAFENFSPATHCONF 0 /* unverified: pathconf(2) doesn't work on NFS */ +# define HAS_IN_H 1 +# define NETLINK 1 /* supports AF_LINK */ +# ifndef NOT_SENDMAIL +# define sleep sleepX +extern unsigned int sleepX __P((unsigned int seconds)); +# endif /* ! NOT_SENDMAIL */ +# endif /* defined(DARWIN) */ + + +/* +** 4.4 BSD +** +** See also BSD defines. +*/ + +# if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) +# include +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASFCHOWN 1 /* has fchown(2) syscall */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define HAS_ST_GEN 1 /* has st_gen field in stat struct */ +# include +# define ERRLIST_PREDEFINED /* don't declare sys_errlist */ +# define BSD4_4_SOCKADDR /* has sa_len */ +# define NEED_PRINTF_PERCENTQ 1 /* doesn't have %lld */ +# define NETLINK 1 /* supports AF_LINK */ +# ifndef LA_TYPE +# define LA_TYPE LA_SUBR +# endif /* ! LA_TYPE */ +# define SFS_TYPE SFS_MOUNT /* use statfs() impl */ +# define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */ +# endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) */ + + +/* +** BSD/OS (was BSD/386) (all versions) +** From Tony Sanders, BSDI +*/ + +# ifdef __bsdi__ +# include +# define HASUNSETENV 1 /* has the unsetenv(3) call */ +# define HASSETREUID 0 /* BSD-OS has broken setreuid(2) emulation */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASSETLOGIN 1 /* has setlogin(2) */ +# define HASUNAME 1 /* has uname(2) syscall */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define HAS_ST_GEN 1 /* has st_gen field in stat struct */ +# include +# define ERRLIST_PREDEFINED /* don't declare sys_errlist */ +# define BSD4_4_SOCKADDR /* has sa_len */ +# define NETLINK 1 /* supports AF_LINK */ +# define SFS_TYPE SFS_MOUNT /* use statfs() impl */ +# ifndef LA_TYPE +# define LA_TYPE LA_SUBR +# endif /* ! LA_TYPE */ +# define GIDSET_T gid_t +# define QUAD_T quad_t +# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 + /* version 1.1 or later */ +# undef SPT_TYPE +# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ +# else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */ + /* version 1.0 or earlier */ +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */ +# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 /* on 3.x */ +# define HASSETUSERCONTEXT 1 /* has setusercontext */ +# endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */ +# if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 /* 3.1 and earlier */ +# define MODE_T int /* va_arg() can't handle less than int */ +# endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */ +# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 /* on 4.x */ +# define HASURANDOMDEV 1 /* has /dev/urandom(4) */ +# endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */ +# endif /* __bsdi__ */ + + +/* +** QNX 4.2x +** Contributed by Glen McCready . +** +** Should work with all versions of QNX. +*/ + +# if defined(__QNX__) +# include +# include +# undef NGROUPS_MAX +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ +# define HASSETREUID 1 /* has setreuid(2) call */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define HASFLOCK 0 +# undef HASINITGROUPS /* has initgroups(3) call */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define IP_SRCROUTE 1 /* can check IP source routing */ +# define TZ_TYPE TZ_TMNAME /* use tmname variable */ +# define GIDSET_T gid_t +# define LA_TYPE LA_ZERO +# define SFS_TYPE SFS_NONE +# define SPT_TYPE SPT_REUSEARGV +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# define HASGETUSERSHELL 0 +# define E_PSEUDOBASE 512 +# define _FILE_H_INCLUDED +# endif /* defined(__QNX__) */ + + +/* +** DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions) +** +** 4.3BSD clone, closer to 4.4BSD for FreeBSD 1.x and NetBSD 0.9x +** 4.4BSD-Lite based for FreeBSD 2.x and NetBSD 1.x +** +** See also BSD defines. +*/ + +# if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) +# include +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASFCHOWN 1 /* has fchown(2) syscall */ +# define HASUNAME 1 /* has uname(2) syscall */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define HAS_ST_GEN 1 /* has st_gen field in stat struct */ +# define NEED_PRINTF_PERCENTQ 1 /* doesn't have %lld */ +# include +# define ERRLIST_PREDEFINED /* don't declare sys_errlist */ +# define BSD4_4_SOCKADDR /* has sa_len */ +# define NETLINK 1 /* supports AF_LINK */ +# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */ +# define GIDSET_T gid_t +# define QUAD_T unsigned long long +# ifndef LA_TYPE +# define LA_TYPE LA_SUBR +# endif /* ! LA_TYPE */ +# if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 200040000 +# undef SFS_TYPE +# define SFS_TYPE SFS_STATVFS +# else +# define SFS_TYPE SFS_MOUNT /* use statfs() impl */ +# endif +# if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) +# undef SPT_TYPE +# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ +# endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */ +# if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) +# define HASURANDOMDEV 1 /* has /dev/urandom(4) */ +# endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */ +# if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000 +# define HASSETUSERCONTEXT 1 /* BSDI-style login classes */ +# endif +# if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 200060000 +# define HASCLOSEFROM 1 /* closefrom(3) added in 2.0F */ +# endif +# if defined(__NetBSD__) +# define USESYSCTL 1 /* use sysctl(3) for getting ncpus */ +# include +# include +# endif +# if defined(__DragonFly__) +# define HASSETLOGIN 1 /* has setlogin(2) */ +# define HASSRANDOMDEV 1 /* has srandomdev(3) */ +# define HASURANDOMDEV 1 /* has /dev/urandom(4) */ +# undef SPT_TYPE +# include +# define SPT_TYPE SPT_BUILTIN +# define HASSETUSERCONTEXT 1 /* BSDI-style login classes */ +# ifndef SMRSH_CMDDIR +# define SMRSH_CMDDIR "/usr/libexec/sm.bin" +# endif /* ! SMRSH_CMDDIR */ +# ifndef SMRSH_PATH +# define SMRSH_PATH "/bin:/usr/bin" +# endif /* ! SMRSH_PATH */ +# define USESYSCTL 1 /* use sysctl(3) for getting ncpus */ +# include +# endif /* defined(__DragonFly__) */ +# if defined(__FreeBSD__) +# define HASSETLOGIN 1 /* has setlogin(2) */ +# if __FreeBSD_version >= 227001 +# define HASSRANDOMDEV 1 /* has srandomdev(3) */ +# define HASURANDOMDEV 1 /* has /dev/urandom(4) */ +# endif /* __FreeBSD_version >= 227001 */ +# undef SPT_TYPE +# if __FreeBSD__ >= 2 +# include +# if __FreeBSD_version >= 199512 /* 2.2-current when it appeared */ +# include +# define SPT_TYPE SPT_BUILTIN +# endif /* __FreeBSD_version >= 199512 */ +# if __FreeBSD_version >= 222000 /* 2.2.2-release and later */ +# define HASSETUSERCONTEXT 1 /* BSDI-style login classes */ +# endif /* __FreeBSD_version >= 222000 */ +# if __FreeBSD_version >= 330000 /* 3.3.0-release and later */ +# ifndef SMRSH_CMDDIR +# define SMRSH_CMDDIR "/usr/libexec/sm.bin" +# endif /* ! SMRSH_CMDDIR */ +# ifndef SMRSH_PATH +# define SMRSH_PATH "/bin:/usr/bin" +# endif /* ! SMRSH_PATH */ +# endif /* __FreeBSD_version >= 330000 */ +# define USESYSCTL 1 /* use sysctl(3) for getting ncpus */ +# include +# endif /* __FreeBSD__ >= 2 */ +# ifndef SPT_TYPE +# define SPT_TYPE SPT_REUSEARGV +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# endif /* ! SPT_TYPE */ +# endif /* defined(__FreeBSD__) */ +# if defined(__OpenBSD__) +# undef SPT_TYPE +# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ +# define HASSETLOGIN 1 /* has setlogin(2) */ +# if OpenBSD < 200305 +# define HASSETREUID 0 /* setreuid(2) broken in OpenBSD < 3.3 */ +# endif /* OpenBSD < 200305 */ +# define HASSETEGID 1 /* use setegid(2) to set saved gid */ +# define HASURANDOMDEV 1 /* has /dev/urandom(4) */ +# if OpenBSD >= 200006 +# define HASSRANDOMDEV 1 /* has srandomdev(3) */ +# endif /* OpenBSD >= 200006 */ +# if OpenBSD >= 200012 +# define HASSETUSERCONTEXT 1 /* BSDI-style login classes */ +# endif /* OpenBSD >= 200012 */ +# if OpenBSD >= 200405 +# define HASCLOSEFROM 1 /* closefrom(3) added in 3.5 */ +# endif /* OpenBSD >= 200405 */ +# endif /* defined(__OpenBSD__) */ +# endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */ + + +/* +** Mach386 +** +** For mt Xinu's Mach386 system. +*/ + +# if defined(MACH) && defined(i386) && !defined(__GNU__) +# define MACH386 1 +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define NEEDSTRTOL 1 /* need the strtol() function */ +# define setpgid setpgrp +# ifndef LA_TYPE +# define LA_TYPE LA_FLOAT +# endif /* ! LA_TYPE */ +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# undef HASSETVBUF /* don't actually have setvbuf(3) */ +# undef WEXITSTATUS +# undef WIFEXITED +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */ + + + +/* +** GNU OS (hurd) +** Largely BSD & posix compatible. +** Port contributed by Miles Bader . +** Updated by Mark Kettenis . +*/ + +# if defined(__GNU__) && !defined(NeXT) +# include +# define HASFCHMOD 1 /* has fchmod(2) call */ +# define HASFCHOWN 1 /* has fchown(2) call */ +# define HASUNAME 1 /* has uname(2) call */ +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define HAS_ST_GEN 1 /* has st_gen field in stat struct */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define GIDSET_T gid_t +# define SOCKADDR_LEN_T socklen_t +# define SOCKOPT_LEN_T socklen_t +# if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 +# define LA_TYPE LA_SUBR +# else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */ +# define LA_TYPE LA_MACH + /* GNU uses mach[34], which renames some rpcs from mach2.x. */ +# define host_self mach_host_self +# endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */ +# define SFS_TYPE SFS_STATFS +# define SPT_TYPE SPT_CHANGEARGV +# define ERRLIST_PREDEFINED 1 /* don't declare sys_errlist */ +# define BSD4_4_SOCKADDR 1 /* has sa_len */ +# define SIOCGIFCONF_IS_BROKEN 1 /* SIOCGFCONF doesn't work */ +# define HAS_IN_H 1 /* GNU has netinet/in.h. */ +/* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */ +# define MAXPATHLEN 2048 +# endif /* defined(__GNU__) && !defined(NeXT) */ + +/* +** 4.3 BSD -- this is for very old systems +** +** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. +** +** You'll also have to install a new resolver library. +** I don't guarantee that support for this environment is complete. +*/ + +# if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) +# define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define ARBPTR_T char * +# define setpgid setpgrp +# ifndef LA_TYPE +# define LA_TYPE LA_FLOAT +# endif /* ! LA_TYPE */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# undef WEXITSTATUS +# undef WIFEXITED +typedef short pid_t; +# endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */ + + +/* +** SCO Unix +** +** This includes three parts: +** +** The first is for SCO OpenServer 5. +** (Contributed by Keith Reynolds ). +** +** SCO OpenServer 5 has a compiler version number macro, +** which we can use to figure out what version we're on. +** This may have to change in future releases. +** +** The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0. +** (Contributed by Philippe Brand ). +** +** The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier. +*/ + +/* SCO OpenServer 5 */ +# if _SCO_DS >= 1 +# include +# define SIOCGIFNUM_IS_BROKEN 1 /* SIOCGIFNUM returns bogus value */ +# define HASFCHMOD 1 /* has fchmod(2) call */ +# define HASFCHOWN 1 /* has fchown(2) call */ +# define HASSETRLIMIT 1 /* has setrlimit(2) call */ +# define USESETEUID 1 /* has seteuid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ +# define RLIMIT_NEEDS_SYS_TIME_H 1 +# define LDA_USE_LOCKF 1 +# ifndef LA_TYPE +# define LA_TYPE LA_DEVSHORT +# endif /* ! LA_TYPE */ +# define _PATH_AVENRUN "/dev/table/avenrun" +# ifndef _SCO_unix_4_2 +# define _SCO_unix_4_2 +# else /* ! _SCO_unix_4_2 */ +# define SOCKADDR_LEN_T size_t /* e.g., arg#3 to accept, getsockname */ +# define SOCKOPT_LEN_T size_t /* arg#5 to getsockopt */ +# endif /* ! _SCO_unix_4_2 */ +# endif /* _SCO_DS >= 1 */ + +/* SCO UNIX 3.2v4.2/Open Desktop 3.0 */ +# ifdef _SCO_unix_4_2 +# define _SCO_unix_ +# define HASSETREUID 1 /* has setreuid(2) call */ +# endif /* _SCO_unix_4_2 */ + +/* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */ +# ifdef _SCO_unix_ +# include /* needed for IP_SRCROUTE */ +# define SYSTEM5 1 /* include all the System V defines */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define NOFTRUNCATE 0 /* has (simulated) ftruncate call */ +# ifndef USE_SIGLONGJMP +# define USE_SIGLONGJMP 1 /* sigsetjmp needed for signal handling */ +# endif /* ! USE_SIGLONGJMP */ +# define MAXPATHLEN PATHSIZE +# define SFS_TYPE SFS_4ARGS /* use 4-arg impl */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define SPT_TYPE SPT_SCO /* write kernel u. area */ +# define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ +# define UID_T uid_t +# define GID_T gid_t +# define GIDSET_T gid_t +# define _PATH_UNIX "/unix" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ + +/* stuff fixed in later releases */ +# ifndef _SCO_unix_4_2 +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# endif /* ! _SCO_unix_4_2 */ + +# ifndef _SCO_DS +# define ftruncate chsize /* use chsize(2) to emulate ftruncate */ +# define NEEDFSYNC 1 /* needs the fsync(2) call stub */ +# define NETUNIX 0 /* no unix domain socket support */ +# define LA_TYPE LA_SHORT +# endif /* ! _SCO_DS */ + +# endif /* _SCO_unix_ */ + +/* +** ISC (SunSoft) Unix. +** +** Contributed by J.J. Bailey +*/ + +# ifdef ISC_UNIX +# include +# include /* needed for IP_SRCROUTE */ +# include +# define SYSTEM5 1 /* include all the System V defines */ +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define HASSETREUID 1 /* has setreuid(2) call */ +# define NEEDFSYNC 1 /* needs the fsync(2) call stub */ +# define NETUNIX 0 /* no unix domain socket support */ +# define MAXPATHLEN 1024 +# define LA_TYPE LA_SHORT +# define SFS_TYPE SFS_STATFS /* use statfs() impl */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define _PATH_UNIX "/unix" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# endif /* ISC_UNIX */ + + +/* +** Altos System V (5.3.1) +** Contributed by Tim Rice . +*/ + +# ifdef ALTOS_SYSTEM_V +# include +# include +# define SYSTEM5 1 /* include all the System V defines */ +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define WAITUNION 1 /* use "union wait" as wait argument type */ +# define NEEDFSYNC 1 /* no fsync(2) in system library */ +# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */ +# define NOFTRUNCATE 1 /* do not have ftruncate(2) */ +# define MAXPATHLEN PATH_MAX +# define LA_TYPE LA_SHORT +# define SFS_TYPE SFS_STATFS /* use statfs() impl */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ +# define NETUNIX 0 /* no unix domain socket support */ +# undef WIFEXITED +# undef WEXITSTATUS +# define strtoul strtol /* gcc library bogosity */ + +typedef unsigned short uid_t; +typedef unsigned short gid_t; +typedef short pid_t; +typedef unsigned long mode_t; + +/* some stuff that should have been in the include files */ +extern char *malloc(); +extern struct passwd *getpwent(); +extern struct passwd *getpwnam(); +extern struct passwd *getpwuid(); +extern char *getenv(); +extern struct group *getgrgid(); +extern struct group *getgrnam(); + +# endif /* ALTOS_SYSTEM_V */ + + +/* +** ConvexOS 11.0 and later +** +** "Todd C. Miller" claims this +** works on 9.1 as well. +** +** ConvexOS 11.5 and later, should work on 11.0 as defined. +** For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO +** +** Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp. +** (now the CONVEX Technologies Center of Hewlett Packard) +*/ + +# ifdef _CONVEX_SOURCE +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) */ +# define HASINITGROUPS 1 /* has initgroups(3) */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASUNSETENV 1 /* has unsetenv(3) */ +# define HASFLOCK 1 /* has flock(2) */ +# define HASSETRLIMIT 1 /* has setrlimit(2) */ +# define HASSETREUID 1 /* has setreuid(2) */ +# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_error=0 */ +# define NEEDPUTENV 1 /* needs putenv (written in terms of setenv) */ +# define SM_CONF_GETOPT 1 /* need a replacement for getopt(3) */ +# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */ +# define LA_TYPE LA_FLOAT +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef S_IREAD +# define S_IREAD _S_IREAD +# define S_IWRITE _S_IWRITE +# define S_IEXEC _S_IEXEC +# define S_IFMT _S_IFMT +# define S_IFCHR _S_IFCHR +# define S_IFBLK _S_IFBLK +# endif /* ! S_IREAD */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_TIMEZONE +# endif /* ! TZ_TYPE */ +# ifndef IDENTPROTO +# define IDENTPROTO 1 +# endif /* ! IDENTPROTO */ +# ifndef SHARE_V1 +# define SHARE_V1 1 /* version 1 of the fair share scheduler */ +# endif /* ! SHARE_V1 */ +# if !defined(__GNUC__ ) +# define UID_T int /* GNUC gets it right, ConvexC botches */ +# define GID_T int /* GNUC gets it right, ConvexC botches */ +# endif /* !defined(__GNUC__ ) */ +# if SECUREWARE +# define FORK fork /* SecureWare wants the real fork! */ +# else /* SECUREWARE */ +# define FORK vfork /* the rest of the OS versions don't care */ +# endif /* SECUREWARE */ +# endif /* _CONVEX_SOURCE */ + + +/* +** RISC/os 4.52 +** +** Gives a ton of warning messages, but otherwise compiles. +*/ + +# ifdef RISCOS + +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# define WAITUNION 1 /* use "union wait" as wait argument type */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define NEEDPUTENV 1 /* need putenv(3) call */ +# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */ +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# define LA_TYPE LA_INT +# define LA_AVENRUN "avenrun" +# define _PATH_UNIX "/unix" +# undef WIFEXITED + +# define setpgid setpgrp + +typedef int pid_t; +# define SIGFUNC_DEFINED +# define SIGFUNC_RETURN (0) +# define SIGFUNC_DECL int +typedef int (*sigfunc_t)(); +extern char *getenv(); +extern void *malloc(); + +/* added for RISC/os 4.01...which is dumber than 4.50 */ +# ifdef RISCOS_4_0 +# ifndef ARBPTR_T +# define ARBPTR_T char * +# endif /* ! ARBPTR_T */ +# undef HASFLOCK +# define HASFLOCK 0 +# endif /* RISCOS_4_0 */ + +# include + +# endif /* RISCOS */ + + +/* +** Linux 0.99pl10 and above... +** +** Thanks to, in reverse order of contact: +** +** John Kennedy +** Andrew Pam +** Florian La Roche +** Karl London +** +** NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style +** file locking is no longer allowed. In particular, make sure +** your DBM library and sendmail are both using either flock(2) +** *or* fcntl(2) file locking, but not both. +*/ + +# ifdef __linux__ +# include +# if !defined(KERNEL_VERSION) /* not defined in 2.0.x kernel series */ +# define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +# endif /* !defined(KERNEL_VERSION) */ +# define BSD 1 /* include BSD defines */ +# define HASSETREGID 1 /* use setregid(2) to set saved gid */ +# ifndef REQUIRES_DIR_FSYNC +# define REQUIRES_DIR_FSYNC 1 /* requires fsync() on directory */ +# endif /* REQUIRES_DIR_FSYNC */ +# ifndef USESETEUID +# define USESETEUID 0 /* has it due to POSIX, but doesn't work */ +# endif /* USESETEUID */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define ERRLIST_PREDEFINED /* don't declare sys_errlist */ +# define GIDSET_T gid_t /* from */ +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */ +# endif /* HASGETUSERSHELL */ +# ifndef IP_SRCROUTE +# define IP_SRCROUTE 0 /* linux <= 1.2.8 doesn't support IP_OPTIONS */ +# endif /* ! IP_SRCROUTE */ +# ifndef HAS_IN_H +# define HAS_IN_H 1 /* use netinet/in.h */ +# endif /* ! HAS_IN_H */ +# ifndef USE_SIGLONGJMP +# define USE_SIGLONGJMP 1 /* sigsetjmp needed for signal handling */ +# endif /* ! USE_SIGLONGJMP */ +# ifndef HASFLOCK +# if LINUX_VERSION_CODE < 66399 +# define HASFLOCK 0 /* flock(2) is broken after 0.99.13 */ +# else /* LINUX_VERSION_CODE < 66399 */ +# if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) +# define HASFLOCK 1 /* flock(2) fixed after 1.3.95 */ +# else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */ +# define HASFLOCK 0 /* flock(2) is broken (again) after 2.4.0 */ +# endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */ +# endif /* LINUX_VERSION_CODE < 66399 */ +# endif /* ! HASFLOCK */ +# ifndef LA_TYPE +# define LA_TYPE LA_PROCSTR +# endif /* ! LA_TYPE */ +# define SFS_TYPE SFS_VFS /* use statfs() impl */ +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) +# ifndef HASURANDOMDEV +# define HASURANDOMDEV 1 /* 2.0 (at least) has linux/drivers/char/random.c */ +# endif /* ! HASURANDOMDEV */ +# endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */ +# if defined(__GLIBC__) && defined(__GLIBC_MINOR__) +# define HASSTRERROR 1 /* has strerror(3) */ +# endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_NONE /* no standard for Linux */ +# endif /* ! TZ_TYPE */ +# if (__GLIBC__ >= 2) +# include +# endif /* (__GLIBC__ >= 2) */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/var/run/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# include +# undef atol /* wounded in */ +# if NETINET6 + /* + ** Linux doesn't have a good way to tell userland what interfaces are + ** IPv6-capable. Therefore, the BIND resolver can not determine if there + ** are IPv6 interfaces to honor AI_ADDRCONFIG. Unfortunately, it assumes + ** that none are present. (Excuse the macro name ADDRCONFIG_IS_BROKEN.) + */ +# define ADDRCONFIG_IS_BROKEN 1 + + /* + ** Indirectly included from glibc's . IPv6 support is native + ** in 2.1 and later, but the APIs appear before the functions. + */ +# if defined(__GLIBC__) && defined(__GLIBC_MINOR__) +# define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__) +# if (GLIBC_VERSION >= 0x201) +# undef IPPROTO_ICMPV6 /* linux #defines, glibc enums */ +# else /* (GLIBC_VERSION >= 0x201) */ +# include /* IPv6 support */ +# endif /* (GLIBC_VERSION >= 0x201) */ +# if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) + /* Have APIs in , but no support in glibc */ +# define NEEDSGETIPNODE 1 +# endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */ +# undef GLIBC_VERSION +# endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */ +# endif /* NETINET6 */ +# ifndef HASFCHOWN +# define HASFCHOWN 1 /* fchown(2) */ +# endif /* ! HASFCHOWN */ +# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) +# define HASFCHMOD 1 /* fchmod(2) */ +# endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */ +# endif /* __linux__ */ + + +/* +** DELL SVR4 Issue 2.2, and others +** From Kimmo Suominen +** +** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ +** defined, and the definitions conflict. +** +** Peter Wemm claims that the setreuid +** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A +** (SVR4.0/386 version 3.0). +*/ + +# ifdef DELL_SVR4 + /* no changes necessary */ + /* see general __svr4__ defines below */ +# endif /* DELL_SVR4 */ + + +/* +** Apple A/UX 3.0 +*/ + +# ifdef _AUX_SOURCE +# include +# define BSD /* has BSD routines */ +# define HASSETRLIMIT 0 /* ... but not setrlimit(2) */ +# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ +# define BOGUS_O_EXCL 1 /* exclusive open follows symlinks */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASSETVBUF 1 /* has setvbuf(3) in libc */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define SIGFUNC_DEFINED /* sigfunc_t already defined */ +# define SIGFUNC_RETURN /* POSIX-mode */ +# define SIGFUNC_DECL void /* POSIX-mode */ +# define ERRLIST_PREDEFINED 1 +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# ifndef LA_TYPE +# define LA_TYPE LA_INT +# define FSHIFT 16 +# endif /* ! LA_TYPE */ +# define LA_AVENRUN "avenrun" +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# define TZ_TYPE TZ_TZNAME +# ifndef _PATH_UNIX +# define _PATH_UNIX "/unix" /* should be in */ +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# undef WIFEXITED +# undef WEXITSTATUS +# endif /* _AUX_SOURCE */ + + +/* +** Encore UMAX V +** +** Not extensively tested. +*/ + +# ifdef UMAXV +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASSETVBUF 1 /* we have setvbuf(3) in libc */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ +# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ +# define MAXPATHLEN PATH_MAX +extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); +extern struct group *getgrent(), *getgrnam(), *getgrgid(); +# undef WIFEXITED +# undef WEXITSTATUS +# endif /* UMAXV */ + + +/* +** Stardent Titan 3000 running TitanOS 4.2. +** +** Must be compiled in "cc -43" mode. +** +** From Kate Hedstrom . +** +** Note the tweaking below after the BSD defines are set. +*/ + +# ifdef titan +# define setpgid setpgrp +typedef int pid_t; +# undef WIFEXITED +# undef WEXITSTATUS +# endif /* titan */ + + +/* +** Sequent DYNIX 3.2.0 +** +** From Jim Davis . +*/ + +# ifdef sequent + +# define BSD 1 +# define HASUNSETENV 1 +# define BSD4_3 1 /* to get signal() in conf.c */ +# define WAITUNION 1 +# define LA_TYPE LA_FLOAT +# ifdef _POSIX_VERSION +# undef _POSIX_VERSION /* set in */ +# endif /* _POSIX_VERSION */ +# undef HASSETVBUF /* don't actually have setvbuf(3) */ +# define setpgid setpgrp + +/* Have to redefine WIFEXITED to take an int, to work with waitfor() */ +# undef WIFEXITED +# define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ + ((union wait*)&(s))->w_termsig == 0) +# define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) +typedef int pid_t; +# define isgraph(c) (isprint(c) && (c != ' ')) + +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ + +# ifndef _PATH_UNIX +# define _PATH_UNIX "/dynix" +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# endif /* sequent */ + + +/* +** Sequent DYNIX/ptx v2.0 (and higher) +** +** For DYNIX/ptx v1.x, undefine HASSETREUID. +** +** From Tim Wright . +** Update from Jack Woolley , 26 Dec 1995, +** for DYNIX/ptx 4.0.2. +*/ + +# ifdef _SEQUENT_ +# include +# define SYSTEM5 1 /* include all the System V defines */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASSETREUID 1 /* has setreuid(2) call */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define GIDSET_T gid_t +# define LA_TYPE LA_INT +# define SFS_TYPE SFS_STATFS /* use statfs() impl */ +# define SPT_TYPE SPT_NONE /* don't use setproctitle */ +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# endif /* _SEQUENT_ */ + +/* +** Cray UNICOS, UNICOS/mk, and UNICOS/mp +** +** UNICOS: +** Ported by David L. Kensiski, Sterling Sofware +** Update Brian Ginsbach +** UNICOS/mk (Cray T3E): +** Contributed by Manu Mahonen +** of Center for Scientific Computing. +** Update Brian Ginsbach +** UNICOS/mp: +** From Aaron Davis & Brian Ginsbach +*/ + +# if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP) +# define SYSTEM5 1 /* include all the System V defines */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define HASFCHOWN 1 /* has fchown(2) */ +# define HASUNSETENV 1 /* has unsetenv(3) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASSETREUID 1 /* has setreuid(2) call */ +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) syscall */ +# define HASSTRERROR 1 /* has strerror(3) */ +# define GIDSET_T gid_t +# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */ +# ifdef UNICOS +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# define LA_TYPE LA_ZERO +# define _PATH_MAILDIR "/usr/spool/mail" +# define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst) +# ifndef MAXPATHLEN +# define MAXPATHLEN PATHSIZE +# endif /* ! MAXPATHLEN */ +# ifndef _PATH_UNIX +# ifdef UNICOSMK +# define _PATH_UNIX "/unicosmk.ar" +# else +# define _PATH_UNIX "/unicos" +# endif /* UNICOSMK */ +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# endif /* UNICOS */ +# ifdef _UNICOSMP +# if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) + /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */ +# define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN +# endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */ +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define HASSETRLIMIT 1 /* has setrlimit(2) syscall */ +# define LA_TYPE LA_IRIX6 /* figure out at run time */ +# include +# include +# define ARGV_T char *const * +# endif /* _UNICOSMP */ +# endif /* _CRAY */ + +/* +** Apollo DomainOS +** +** From Todd Martin & Don Lewis +** +** 15 Jan 1994; updated 2 Aug 1995 +** +*/ + +# ifdef apollo +# define HASSETREUID 1 /* has setreuid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(2) call */ +# define IP_SRCROUTE 0 /* does not have */ +# define SPT_TYPE SPT_NONE /* don't use setproctitle */ +# define LA_TYPE LA_SUBR /* use getloadavg.c */ +# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define TZ_TYPE TZ_TZNAME +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ +# undef S_IFIFO +# define S_IFIFO 0010000 +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# define RLIMIT_NEEDS_SYS_TIME_H 1 +# if defined(NGROUPS_MAX) && !NGROUPS_MAX +# undef NGROUPS_MAX +# endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */ +# endif /* apollo */ + +/* +** MPE-iX +** +** Requires MPE 6.0 or greater. See sendmail/README for more info. +** +** From Mark Bixby or . +*/ + +# ifdef MPE + +# include +# include + +/* Sendmail stuff */ +# define HASFCHOWN 0 /* lacks fchown() */ +# define HASGETUSERSHELL 0 /* lacks getusershell() */ +# ifdef HASNICE +# undef HASNICE +# endif /* HASNICE */ +# define HASNICE 0 /* lacks nice() */ +# define HASRANDOM 0 /* lacks random() */ +# ifdef HASRRESVPORT +# undef HASRRESVPORT +# endif /* HASRRESVPORT */ +# define HASRRESVPORT 0 /* lacks rresvport() */ +# define IP_SRCROUTE 0 /* lacks IP source routing fields */ +# ifdef MATCHGECOS +# undef MATCHGECOS +# endif /* MATCHGECOS */ +# define MATCHGECOS 0 /* lacks an initialized GECOS field */ +# define NEEDFSYNC 1 /* use sendmail's fsync() */ +# define NEEDLINK 1 /* use sendmail's link() */ +# define NOFTRUNCATE 1 /* lacks ftruncate() */ +# define SFS_TYPE SFS_NONE /* can't determine disk space */ +# define SM_CONF_SYSLOG 0 /* use sendmail decl of syslog() */ +# define USE_DOUBLE_FORK 0 /* don't fork an intermediate zombie */ +# define USE_ENVIRON 1 /* use environ instead of envp */ + +/* Missing header stuff */ +# define AF_UNSPEC 0 +# define AF_MAX AF_INET +# define IFF_LOOPBACK 0x8 +# define IN_LOOPBACKNET 127 +# define MAXNAMLEN NAME_MAX +# define S_IEXEC S_IXUSR +# define S_IREAD S_IRUSR +# define S_IWRITE S_IWUSR + +/* Present header stuff that needs to be missing */ +# undef NGROUPS_MAX + +/* Shadow functions */ +# define bind sendmail_mpe_bind +# define _exit sendmail_mpe__exit +# define exit sendmail_mpe_exit +# define fcntl sendmail_mpe_fcntl +# define getegid sendmail_mpe_getegid +# define geteuid sendmail_mpe_geteuid +# define getpwnam sendmail_mpe_getpwnam +# define getpwuid sendmail_mpe_getpwuid +# define setgid sendmail_mpe_setgid +# define setuid sendmail_mpe_setuid +extern int sendmail_mpe_fcntl __P((int, int, ...)); +extern struct passwd * sendmail_mpe_getpwnam __P((const char *)); +extern struct passwd * sendmail_mpe_getpwuid __P((uid_t)); +# endif /* MPE */ + +/* +** System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native) +** +** Contributed by Paul Gampe +*/ + +# ifdef __svr5__ +# include +# define __svr4__ +# define SYS5SIGNALS 1 +# define HASFCHOWN 1 /* has fchown(2) call */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASSETREUID 1 +# define HASWAITPID 1 +# define HASGETDTABLESIZE 1 +# define GIDSET_T gid_t +# define SOCKADDR_LEN_T size_t +# define SOCKOPT_LEN_T size_t +# ifndef _PATH_UNIX +# define _PATH_UNIX "/stand/unix" +# endif /* ! _PATH_UNIX */ +# define SPT_PADCHAR '\0' /* pad process title with nulls */ +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 1024 /* unsure */ +# endif /* ! SYSLOG_BUFSIZE */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/etc/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# undef offsetof /* avoid stddefs.h, sys/sysmacros.h conflict */ +#if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT) +# define SM_SET_H_ERRNO(err) set_h_errno((err)) +#endif /* ! SM_SET_H_ERRNO && _REENTRANT */ +# endif /* __svr5__ */ + +/* ###################################################################### */ + +/* +** UnixWare 2.x +*/ + +# ifdef UNIXWARE2 +# define UNIXWARE 1 +# undef offsetof /* avoid stddefs.h, sys/sysmacros.h conflict */ +# endif /* UNIXWARE2 */ + + +/* +** UnixWare 1.1.2. +** +** Updated by Petr Lampa . +** From Evan Champion . +*/ + +# ifdef UNIXWARE +# include +# define SYSTEM5 1 +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# define HASSETREUID 1 +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASINITGROUPS 1 +# define GIDSET_T gid_t +# define SLEEP_T unsigned +# define SFS_TYPE SFS_STATVFS +# define LA_TYPE LA_ZERO +# undef WIFEXITED +# undef WEXITSTATUS +# ifndef _PATH_UNIX +# define _PATH_UNIX "/unix" +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# define SYSLOG_BUFSIZE 128 +# endif /* UNIXWARE */ + + +/* +** Intergraph CLIX 3.1 +** +** From Paul Southworth +*/ + +# ifdef CLIX +# define SYSTEM5 1 /* looks like System V */ +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# endif /* ! HASGETUSERSHELL */ +# define DEV_BSIZE 512 /* device block size not defined */ +# define GIDSET_T gid_t +# undef LOG /* syslog not available */ +# define NEEDFSYNC 1 /* no fsync in system library */ +# define GETSHORT _getshort +# endif /* CLIX */ + + +/* +** NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP +** +** From Kevin Darcy . +*/ + +# ifdef NCR_MP_RAS2 +# include +# define __svr4__ +# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */ +# define SYSLOG_BUFSIZE 1024 +# define SPT_TYPE SPT_NONE +# endif /* NCR_MP_RAS2 */ + + +/* +** NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP +** +** From Tom Moore +*/ + +# ifdef NCR_MP_RAS3 +# define __svr4__ +# define HASFCHOWN 1 /* has fchown(2) call */ +# define LDA_USE_LOCKF 1 +# define SIOCGIFNUM_IS_BROKEN 1 /* SIOCGIFNUM has non-std interface */ +# define SO_REUSEADDR_IS_BROKEN 1 /* doesn't work if accept() fails */ +# define SYSLOG_BUFSIZE 1024 +# define SPT_TYPE SPT_NONE +# define _PATH_MAILDIR "/var/mail" +# ifndef _XOPEN_SOURCE +# define _XOPEN_SOURCE +# define _XOPEN_SOURCE_EXTENDED 1 +# include +# undef _XOPEN_SOURCE +# undef _XOPEN_SOURCE_EXTENDED +# endif /* ! _XOPEN_SOURCE */ +# endif /* NCR_MP_RAS3 */ + + +/* +** Tandem NonStop-UX SVR4 +** +** From Rick McCarty . +*/ + +# ifdef NonStop_UX_BXX +# define __svr4__ +# endif /* NonStop_UX_BXX */ + + +/* +** Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2. +** +** Tested for 1.04, 1.03 +** From Akihiro Hashimoto ("Hash") . +** +** Tested for 4.02, 6.10 and 7.10 +** From Motonori NAKAMURA . +*/ + +# if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) +# define SYSTEM5 1 /* include all the System V defines */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define HASFCHMOD 1 /* has fchmod(2) syscall */ +# define setreuid(r, e) setresuid(r, e, -1) +# define LA_TYPE LA_FLOAT +# define SPT_TYPE SPT_PSTAT +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# ifndef HASSETVBUF +# define HASSETVBUF /* HI-UX has no setlinebuf */ +# endif /* ! HASSETVBUF */ +# ifndef GIDSET_T +# define GIDSET_T gid_t +# endif /* ! GIDSET_T */ +# ifndef _PATH_UNIX +# define _PATH_UNIX "/HI-UX" +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ +# endif /* ! HASGETUSERSHELL */ +# define FDSET_CAST (int *) /* cast for fd_set parameters to select */ + +/* +** avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h +** on HIUX 3050 +*/ +# undef m_flags + +# define SM_CONF_SYSLOG 0 + +# endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */ + + +/* +** Amdahl UTS System V 2.1.5 (SVr3-based) +** +** From: Janet Jackson . +*/ + +# ifdef _UTS +# include +# undef HASLSTAT /* has symlinks, but they cause problems */ +# define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */ +# define SYS5SIGNALS 1 /* System V signal semantics */ +# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ +# define HASUNAME 1 /* use System V uname(2) system call */ +# define HASINITGROUPS 1 /* has initgroups(3) function */ +# define HASSETVBUF 1 /* has setvbuf(3) function */ +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* does not have getusershell(3) function */ +# endif /* ! HASGETUSERSHELL */ +# define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */ +# define LA_TYPE LA_ZERO /* doesn't have load average */ +# define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define _PATH_UNIX "/unix" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# endif /* _UTS */ + +/* +** Cray Computer Corporation's CSOS +** +** From Scott Bolte . +*/ + +# ifdef _CRAYCOM +# define SYSTEM5 1 /* include all the System V defines */ +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# define NEEDFSYNC 1 /* no fsync in system library */ +# define MAXPATHLEN PATHSIZE +# define LA_TYPE LA_ZERO +# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ +# define SFS_BAVAIL f_bfree /* alternate field name */ +# define _POSIX_CHOWN_RESTRICTED -1 +extern struct group *getgrent(), *getgrnam(), *getgrgid(); +# endif /* _CRAYCOM */ + + +/* +** Sony NEWS-OS 4.2.1R and 6.0.3 +** +** From Motonori NAKAMURA . +*/ + +# ifdef sony_news +# ifndef __svr4 + /* NEWS-OS 4.2.1R */ +# ifndef BSD +# define BSD /* has BSD routines */ +# endif /* ! BSD */ +# define HASUNSETENV 1 /* has unsetenv(2) call */ +# undef HASSETVBUF /* don't actually have setvbuf(3) */ +# define WAITUNION 1 /* use "union wait" as wait argument type */ +# define LA_TYPE LA_INT +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# define setpgid setpgrp +# undef WIFEXITED +# undef WEXITSTATUS +# define MODE_T int /* system include files have no mode_t */ +typedef int pid_t; +typedef int (*sigfunc_t)(); +# define SIGFUNC_DEFINED +# define SIGFUNC_RETURN (0) +# define SIGFUNC_DECL int + +# else /* ! __svr4 */ + /* NEWS-OS 6.0.3 with /bin/cc */ +# ifndef __svr4__ +# define __svr4__ /* use all System V Release 4 defines below */ +# endif /* ! __svr4__ */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ +# define LA_TYPE LA_READKSYM /* use MIOC_READKSYM ioctl */ +# ifndef SPT_TYPE +# define SPT_TYPE SPT_SYSMIPS /* use sysmips() (OS 6.0.2 or later) */ +# endif /* ! SPT_TYPE */ +# define GIDSET_T gid_t +# undef WIFEXITED +# undef WEXITSTATUS +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 256 +# endif /* ! SYSLOG_BUFSIZE */ +# define _PATH_UNIX "/stand/unix" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ + +# endif /* ! __svr4 */ +# endif /* sony_news */ + + +/* +** Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach +** +** From Motonori NAKAMURA . +*/ + +# ifdef luna +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# define HASUNSETENV 1 /* has unsetenv(2) call */ +# define NEEDPUTENV 1 /* need putenv(3) call */ +# define SM_CONF_GETOPT 0 /* need a replacement for getopt(3) */ +# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */ +# define WAITUNION 1 /* use "union wait" as wait argument type */ +# ifdef uniosb +# include +# define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ +# define LA_TYPE LA_INT +# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone */ +# endif /* uniosb */ +# ifdef luna2 +# define LA_TYPE LA_SUBR +# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone */ +# endif /* luna2 */ +# ifdef luna88k +# define LA_TYPE LA_INT +# endif /* luna88k */ +# define SFS_TYPE SFS_VFS /* use statfs() implementation */ +# define setpgid setpgrp +# undef WIFEXITED +# undef WEXITSTATUS +typedef int pid_t; +typedef int (*sigfunc_t)(); +# define SIGFUNC_DEFINED +# define SIGFUNC_RETURN (0) +# define SIGFUNC_DECL int +extern char *getenv(); +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# endif /* luna */ + + +/* +** NEC EWS-UX/V 4.2 (with /usr/ucb/cc) +** +** From Motonori NAKAMURA . +*/ + +# if defined(nec_ews_svr4) || defined(_nec_ews_svr4) +# ifndef __svr4__ +# define __svr4__ /* use all System V Release 4 defines below */ +# endif /* ! __svr4__ */ +# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define LA_TYPE LA_READKSYM /* use MIOC_READSYM ioctl */ +# define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ +# define GIDSET_T gid_t +# undef WIFEXITED +# undef WEXITSTATUS +# define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ +# endif /* ! SYSLOG_BUFSIZE */ +# endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */ + + +/* +** Fujitsu/ICL UXP/DS (For the DS/90 Series) +** +** From Diego R. Lopez . +** Additional changes from Fumio Moriya and Toshiaki Nomura of the +** Fujitsu Fresoftware group . +*/ + +# ifdef __uxp__ +# include +# include +# include +# define __svr4__ +# define HASGETUSERSHELL 0 +# define HASFLOCK 0 +# define _PATH_UNIX "/stand/unix" +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# endif /* __uxp__ */ + +/* +** Pyramid DC/OSx +** +** From Earle Ake . +*/ + +# ifdef DCOSx +# define GIDSET_T gid_t +# ifndef IDENTPROTO +# define IDENTPROTO 0 /* TCP/IP implementation is broken */ +# endif /* ! IDENTPROTO */ +# endif /* DCOSx */ + +/* +** Concurrent Computer Corporation Maxion +** +** From Donald R. Laster Jr. . +*/ + +# ifdef __MAXION__ + +# include +# define __svr4__ 1 /* SVR4.2MP */ +# define HASSETREUID 1 /* have setreuid(2) */ +# define HASLSTAT 1 /* have lstat(2) */ +# define HASSETRLIMIT 1 /* have setrlimit(2) */ +# define HASGETDTABLESIZE 1 /* have getdtablesize(2) */ +# define HASGETUSERSHELL 1 /* have getusershell(3) */ +# define NOFTRUNCATE 1 /* do not have ftruncate(2) */ +# define SLEEP_T unsigned +# define SFS_TYPE SFS_STATVFS +# define SFS_BAVAIL f_bavail +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 256 /* Use 256 bytes */ +# endif /* ! SYSLOG_BUFSIZE */ + +# undef WUNTRACED +# undef WIFEXITED +# undef WIFSIGNALED +# undef WIFSTOPPED +# undef WEXITSTATUS +# undef WTERMSIG +# undef WSTOPSIG + +# endif /* __MAXION__ */ + +/* +** Harris Nighthawk PowerUX (nh6000 box) +** +** Contributed by Bob Miorelli, Pratt & Whitney +*/ + +# ifdef _PowerUX +# ifndef __svr4__ +# define __svr4__ +# endif /* ! __svr4__ */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# define SYSLOG_BUFSIZE 1024 +# define LA_TYPE LA_ZERO +typedef struct msgb mblk_t; +# undef offsetof /* avoid stddefs.h and sys/sysmacros.h conflict */ +# endif /* _PowerUX */ + +/* +** Siemens Nixdorf Informationssysteme AG SINIX +** +** Contributed by Gerald Rinske of Siemens Business Services VAS. +*/ +# ifdef sinix +# define HASRANDOM 0 /* has random(3) */ +# define SYSLOG_BUFSIZE 1024 +# define SM_INT32 int /* 32bit integer */ +# endif /* sinix */ + + +/* +** Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3 +** +** Contributed by Sergey Rusanov +*/ + +# ifdef MOTO +# define HASFCHMOD 1 +# define HASSETRLIMIT 0 +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASSETREUID 1 +# define HASULIMIT 1 +# define HASWAITPID 1 +# define HASGETDTABLESIZE 1 +# define HASGETUSERSHELL 1 +# define IP_SRCROUTE 0 +# define IDENTPROTO 0 +# define RES_DNSRCH_VARIABLE _res_dnsrch +# define _PATH_UNIX "/unix" +# define _PATH_VENDOR_CF "/etc/sendmail.cf" +# define _PATH_SENDMAILPID "/var/run/sendmail.pid" +# endif /* MOTO */ + +/* +** Interix +** Contributed by Nedelcho Stanev +** +** Used for Interix support. +*/ + +# if defined(__INTERIX) +# define HASURANDOMDEV 1 +# define HASGETUSERSHELL 0 +# define HASSTRERROR 1 +# define HASUNSETENV 1 +# define HASFCHOWN 1 +# undef HAVE_SYS_ERRLIST +# define sys_errlist __sys_errlist +# define sys_nerr __sys_nerr +# include +# ifndef major +# define major(dev) ((int)(((dev) >> 8) & 0xff)) +# endif /* ! major */ +# ifndef minor +# define minor(dev) ((int)((dev) & 0xff)) +# endif /* ! minor */ +# endif /* defined(__INTERIX) */ + + +/********************************************************************** +** End of Per-Operating System defines +**********************************************************************/ +/********************************************************************** +** More general defines +**********************************************************************/ + +/* general BSD defines */ +# ifdef BSD +# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ +# ifndef HASSETREUID +# define HASSETREUID 1 /* has setreuid(2) call */ +# endif /* ! HASSETREUID */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# ifndef IP_SRCROUTE +# define IP_SRCROUTE 1 /* can check IP source routing */ +# endif /* ! IP_SRCROUTE */ +# ifndef HASSETRLIMIT +# define HASSETRLIMIT 1 /* has setrlimit(2) call */ +# endif /* ! HASSETRLIMIT */ +# ifndef HASFLOCK +# define HASFLOCK 1 /* has flock(2) call */ +# endif /* ! HASFLOCK */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ +# endif /* ! TZ_TYPE */ +# endif /* BSD */ + +/* general System V Release 4 defines */ +# ifdef __svr4__ +# define SYSTEM5 1 +# define USESETEUID 1 /* has usable seteuid(2) call */ +# define HASINITGROUPS 1 /* has initgroups(3) call */ +# define BSD_COMP 1 /* get BSD ioctl calls */ +# ifndef HASSETRLIMIT +# define HASSETRLIMIT 1 /* has setrlimit(2) call */ +# endif /* ! HASSETRLIMIT */ +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ +# endif /* ! HASGETUSERSHELL */ +# ifndef HASFCHMOD +# define HASFCHMOD 1 /* most (all?) SVr4s seem to have fchmod(2) */ +# endif /* ! HASFCHMOD */ + +# ifndef _PATH_UNIX +# define _PATH_UNIX "/unix" +# endif /* ! _PATH_UNIX */ +# ifndef _PATH_VENDOR_CF +# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf" +# endif /* ! _PATH_VENDOR_CF */ +# ifndef _PATH_SENDMAILPID +# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" +# endif /* ! _PATH_SENDMAILPID */ +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 128 +# endif /* ! SYSLOG_BUFSIZE */ +# ifndef SFS_TYPE +# define SFS_TYPE SFS_STATVFS +# endif /* ! SFS_TYPE */ + +# ifndef USE_SIGLONGJMP +# define USE_SIGLONGJMP 1 /* sigsetjmp needed for signal handling */ +# endif /* ! USE_SIGLONGJMP */ +# endif /* __svr4__ */ + +# ifdef __SVR4 +# define LDA_USE_LOCKF 1 +# define LDA_USE_SETEUID 1 +# define _PATH_MAILDIR "/var/mail" +# endif /* __SVR4 */ + +/* general System V defines */ +# ifdef SYSTEM5 +# include +# define HASUNAME 1 /* use System V uname(2) system call */ +# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ +# define HASSETVBUF 1 /* we have setvbuf(3) in libc */ +# ifndef HASULIMIT +# define HASULIMIT 1 /* has the ulimit(2) syscall */ +# endif /* ! HASULIMIT */ +# ifndef LA_TYPE +# ifdef MIOC_READKSYM +# define LA_TYPE LA_READKSYM /* use MIOC_READKSYM ioctl */ +# else /* MIOC_READKSYM */ +# define LA_TYPE LA_INT /* assume integer load average */ +# endif /* MIOC_READKSYM */ +# endif /* ! LA_TYPE */ +# ifndef SFS_TYPE +# define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ +# endif /* ! SFS_TYPE */ +# ifndef TZ_TYPE +# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ +# endif /* ! TZ_TYPE */ +# endif /* SYSTEM5 */ + +/* general POSIX defines */ +# ifdef _POSIX_VERSION +# define HASSETSID 1 /* has POSIX setsid(2) call */ +# define HASWAITPID 1 /* has POSIX waitpid(2) call */ +# if _POSIX_VERSION >= 199500 && !defined(USESETEUID) +# define USESETEUID 1 /* has usable seteuid(2) call */ +# endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */ +# endif /* _POSIX_VERSION */ +/* +** Tweaking for systems that (for example) claim to be BSD or POSIX +** but don't have all the standard BSD or POSIX routines (boo hiss). +*/ + +# ifdef titan +# undef HASINITGROUPS /* doesn't have initgroups(3) call */ +# endif /* titan */ + +# ifdef _CRAYCOM +# undef HASSETSID /* despite POSIX claim, doesn't have setsid */ +# endif /* _CRAYCOM */ + +# ifdef MOTO +# undef USESETEUID +# endif /* MOTO */ + +/* +** Due to a "feature" in some operating systems such as Ultrix 4.3 and +** HPUX 8.0, if you receive a "No route to host" message (ICMP message +** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host +** are closed. Some firewalls return this error if you try to connect +** to the IDENT port (113), so you can't receive email from these hosts +** on these systems. The firewall really should use a more specific +** message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB. If +** not explicitly set to zero above, default it on. +*/ + +# ifndef IDENTPROTO +# define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ +# endif /* ! IDENTPROTO */ + +# ifndef IP_SRCROUTE +# define IP_SRCROUTE 1 /* Detect IP source routing */ +# endif /* ! IP_SRCROUTE */ + +# ifndef HASGETUSERSHELL +# define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ +# endif /* ! HASGETUSERSHELL */ + +# ifndef NETUNIX +# define NETUNIX 1 /* include unix domain support */ +# endif /* ! NETUNIX */ + +# ifndef HASRANDOM +# define HASRANDOM 1 /* has random(3) support */ +# endif /* ! HASRANDOM */ + +# ifndef HASFLOCK +# define HASFLOCK 0 /* assume no flock(2) support */ +# endif /* ! HASFLOCK */ + +# ifndef HASSETREUID +# define HASSETREUID 0 /* assume no setreuid(2) call */ +# endif /* ! HASSETREUID */ + +# ifndef HASFCHMOD +# define HASFCHMOD 0 /* assume no fchmod(2) syscall */ +# endif /* ! HASFCHMOD */ + +# ifndef USESETEUID +# define USESETEUID 0 /* assume no seteuid(2) call or no saved ids */ +# endif /* ! USESETEUID */ + +# ifndef HASSETRLIMIT +# define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ +# endif /* ! HASSETRLIMIT */ + +# ifndef HASULIMIT +# define HASULIMIT 0 /* assume no ulimit(2) support */ +# endif /* ! HASULIMIT */ + +# ifndef SECUREWARE +# define SECUREWARE 0 /* assume no SecureWare C2 auditing hooks */ +# endif /* ! SECUREWARE */ + +# ifndef USE_DOUBLE_FORK +# define USE_DOUBLE_FORK 1 /* avoid intermediate zombies */ +# endif /* ! USE_DOUBLE_FORK */ + +# ifndef USE_ENVIRON +# define USE_ENVIRON 0 /* use main() envp instead of extern environ */ +# endif /* ! USE_ENVIRON */ + +# ifndef USE_SIGLONGJMP +# define USE_SIGLONGJMP 0 /* assume setjmp handles signals properly */ +# endif /* ! USE_SIGLONGJMP */ + +# ifndef FDSET_CAST +# define FDSET_CAST /* (empty) cast for fd_set arg to select */ +# endif /* ! FDSET_CAST */ + +/* +** Pick a mailer setuid method for changing the current uid +*/ + +# define USE_SETEUID 0 +# define USE_SETREUID 1 +# define USE_SETUID 2 + +# if USESETEUID +# define MAILER_SETUID_METHOD USE_SETEUID +# else /* USESETEUID */ +# if HASSETREUID +# define MAILER_SETUID_METHOD USE_SETREUID +# else /* HASSETREUID */ +# define MAILER_SETUID_METHOD USE_SETUID +# endif /* HASSETREUID */ +# endif /* USESETEUID */ + +/* +** If no type for argument two of getgroups call is defined, assume +** it's an integer -- unfortunately, there seem to be several choices +** here. +*/ + +# ifndef GIDSET_T +# define GIDSET_T int +# endif /* ! GIDSET_T */ + +# ifndef UID_T +# define UID_T uid_t +# endif /* ! UID_T */ + +# ifndef GID_T +# define GID_T gid_t +# endif /* ! GID_T */ + +# ifndef MODE_T +# define MODE_T mode_t +# endif /* ! MODE_T */ + +# ifndef ARGV_T +# define ARGV_T char ** +# endif /* ! ARGV_T */ + +# ifndef SOCKADDR_LEN_T +# define SOCKADDR_LEN_T int +# endif /* ! SOCKADDR_LEN_T */ + +# ifndef SOCKOPT_LEN_T +# define SOCKOPT_LEN_T int +# endif /* ! SOCKOPT_LEN_T */ + +# ifndef QUAD_T +# define QUAD_T unsigned long +# endif /* ! QUAD_T */ +/********************************************************************** +** Remaining definitions should never have to be changed. They are +** primarily to provide back compatibility for older systems -- for +** example, it includes some POSIX compatibility definitions +**********************************************************************/ + +/* System 5 compatibility */ +# ifndef S_ISREG +# define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) +# endif /* ! S_ISREG */ +# ifndef S_ISDIR +# define S_ISDIR(foo) ((foo & S_IFMT) == S_IFDIR) +# endif /* ! S_ISDIR */ +# if !defined(S_ISLNK) && defined(S_IFLNK) +# define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) +# endif /* !defined(S_ISLNK) && defined(S_IFLNK) */ +# if !defined(S_ISFIFO) +# if defined(S_IFIFO) +# define S_ISFIFO(foo) ((foo & S_IFMT) == S_IFIFO) +# else /* defined(S_IFIFO) */ +# define S_ISFIFO(foo) false +# endif /* defined(S_IFIFO) */ +# endif /* !defined(S_ISFIFO) */ +# ifndef S_IRUSR +# define S_IRUSR 0400 +# endif /* ! S_IRUSR */ +# ifndef S_IWUSR +# define S_IWUSR 0200 +# endif /* ! S_IWUSR */ +# ifndef S_IRGRP +# define S_IRGRP 0040 +# endif /* ! S_IRGRP */ +# ifndef S_IWGRP +# define S_IWGRP 0020 +# endif /* ! S_IWGRP */ +# ifndef S_IROTH +# define S_IROTH 0004 +# endif /* ! S_IROTH */ +# ifndef S_IWOTH +# define S_IWOTH 0002 +# endif /* ! S_IWOTH */ + +/* close-on-exec flag */ +# ifndef FD_CLOEXEC +# define FD_CLOEXEC 1 +# endif /* ! FD_CLOEXEC */ + +/* +** Older systems don't have this error code -- it should be in +** /usr/include/sysexits.h. +*/ + +# ifndef EX_CONFIG +# define EX_CONFIG 78 /* configuration error */ +# endif /* ! EX_CONFIG */ + +/* pseudo-codes */ +# define EX_QUIT 22 /* drop out of server immediately */ +# define EX_RESTART 23 /* restart sendmail daemon */ +# define EX_SHUTDOWN 24 /* shutdown sendmail daemon */ + +#ifndef EX_NOTFOUND +# define EX_NOTFOUND EX_NOHOST +#endif /* ! EX_NOTFOUND */ + +/* pseudo-code used for mci_setstat */ +# define EX_NOTSTICKY (-5) /* don't save persistent status */ + + +/* +** An "impossible" file mode to indicate that the file does not exist. +*/ + +# define ST_MODE_NOFILE 0171147 /* unlikely to occur */ + + +/* type of arbitrary pointer */ +# ifndef ARBPTR_T +# define ARBPTR_T void * +# endif /* ! ARBPTR_T */ + +# ifndef __P +# include "sm/cdefs.h" +# endif /* ! __P */ + +# if HESIOD && !defined(NAMED_BIND) +# define NAMED_BIND 1 /* not one without the other */ +# endif /* HESIOD && !defined(NAMED_BIND) */ + +# if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) +extern int h_errno; +# endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */ + +# if NEEDPUTENV +extern int putenv __P((char *)); +# endif /* NEEDPUTENV */ + +#if !HASUNSETENV +extern void unsetenv __P((char *)); +#endif /* !HASUNSETENV */ + +# ifdef LDAPMAP +# include +# include +# include + +/* Some LDAP constants */ +# define LDAPMAP_FALSE 0 +# define LDAPMAP_TRUE 1 + +/* +** ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1. +** Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations +** and assume (falsely) that all old API implementations are broken. +** (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT) +*/ + +# if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) +# define USE_LDAP_INIT 1 +# endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */ + +/* +** LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x, +** hence ldap_set_option() must not exist. +*/ + +# if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) +# define USE_LDAP_SET_OPTION 1 +# endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */ + +# endif /* LDAPMAP */ + +# if HASUNAME +# include +# ifdef newstr +# undef newstr +# endif /* newstr */ +# else /* HASUNAME */ +# define NODE_LENGTH 32 +struct utsname +{ + char nodename[NODE_LENGTH + 1]; +}; +# endif /* HASUNAME */ + +# if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) +# define MAXHOSTNAMELEN 256 +# endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */ + +# if !defined(SIGCHLD) && defined(SIGCLD) +# define SIGCHLD SIGCLD +# endif /* !defined(SIGCHLD) && defined(SIGCLD) */ + +# ifndef STDIN_FILENO +# define STDIN_FILENO 0 +# endif /* ! STDIN_FILENO */ + +# ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +# endif /* ! STDOUT_FILENO */ + +# ifndef STDERR_FILENO +# define STDERR_FILENO 2 +# endif /* ! STDERR_FILENO */ + +# ifndef LOCK_SH +# define LOCK_SH 0x01 /* shared lock */ +# define LOCK_EX 0x02 /* exclusive lock */ +# define LOCK_NB 0x04 /* non-blocking lock */ +# define LOCK_UN 0x08 /* unlock */ +# endif /* ! LOCK_SH */ + +# ifndef S_IXOTH +# define S_IXOTH (S_IEXEC >> 6) +# endif /* ! S_IXOTH */ + +# ifndef S_IXGRP +# define S_IXGRP (S_IEXEC >> 3) +# endif /* ! S_IXGRP */ + +# ifndef S_IXUSR +# define S_IXUSR (S_IEXEC) +# endif /* ! S_IXUSR */ + +#ifndef O_ACCMODE +# define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) +#endif /* ! O_ACCMODE */ + +# ifndef SEEK_SET +# define SEEK_SET 0 +# define SEEK_CUR 1 +# define SEEK_END 2 +# endif /* ! SEEK_SET */ + +# ifndef SIG_ERR +# define SIG_ERR ((void (*)()) -1) +# endif /* ! SIG_ERR */ + +# ifndef WEXITSTATUS +# define WEXITSTATUS(st) (((st) >> 8) & 0377) +# endif /* ! WEXITSTATUS */ +# ifndef WIFEXITED +# define WIFEXITED(st) (((st) & 0377) == 0) +# endif /* ! WIFEXITED */ +# ifndef WIFSTOPPED +# define WIFSTOPPED(st) (((st) & 0100) == 0) +# endif /* ! WIFSTOPPED */ +# ifndef WCOREDUMP +# define WCOREDUMP(st) (((st) & 0200) != 0) +# endif /* ! WCOREDUMP */ +# ifndef WTERMSIG +# define WTERMSIG(st) (((st) & 0177)) +# endif /* ! WTERMSIG */ + +# ifndef SIGFUNC_DEFINED +typedef void (*sigfunc_t) __P((int)); +# endif /* ! SIGFUNC_DEFINED */ +# ifndef SIGFUNC_RETURN +# define SIGFUNC_RETURN +# endif /* ! SIGFUNC_RETURN */ +# ifndef SIGFUNC_DECL +# define SIGFUNC_DECL void +# endif /* ! SIGFUNC_DECL */ + +/* size of syslog buffer */ +# ifndef SYSLOG_BUFSIZE +# define SYSLOG_BUFSIZE 1024 +# endif /* ! SYSLOG_BUFSIZE */ + +/* for FD_SET() */ +#ifndef FD_SETSIZE +# define FD_SETSIZE 256 +#endif /* ! FD_SETSIZE */ + +/* +** Size of prescan buffer. +** Despite comments in the _sendmail_ book, this probably should +** not be changed; there are some hard-to-define dependencies. +*/ + +# define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ + +/* fork routine -- set above using #ifdef _osname_ or in Makefile */ +# ifndef FORK +# define FORK fork /* function to call to fork mailer */ +# endif /* ! FORK */ + +/* setting h_errno */ +# ifndef SM_SET_H_ERRNO +# define SM_SET_H_ERRNO(err) h_errno = (err) +# endif /* SM_SET_H_ERRNO */ + +# ifndef SM_CONF_GETOPT +# define SM_CONF_GETOPT 1 +# endif /* ! SM_CONF_GETOPT */ + +/* random routine -- set above using #ifdef _osname_ or in Makefile */ +# if HASRANDOM +# define get_random() random() +# else /* HASRANDOM */ +# define get_random() ((long) rand()) +# ifndef RANDOMSHIFT +# define RANDOMSHIFT 8 +# endif /* ! RANDOMSHIFT */ +# endif /* HASRANDOM */ + +/* +** Default to using scanf in readcf. +*/ + +# ifndef SCANF +# define SCANF 1 +# endif /* ! SCANF */ + +/* XXX 32 bit type */ +# ifndef SM_INT32 +# define SM_INT32 int32_t +# endif /* ! SM_INT32 */ + +/* +** SVr4 and similar systems use different routines for setjmp/longjmp +** with signal support +*/ + +# if USE_SIGLONGJMP +# ifdef jmp_buf +# undef jmp_buf +# endif /* jmp_buf */ +# define jmp_buf sigjmp_buf +# ifdef setjmp +# undef setjmp +# endif /* setjmp */ +# define setjmp(env) sigsetjmp(env, 1) +# ifdef longjmp +# undef longjmp +# endif /* longjmp */ +# define longjmp(env, val) siglongjmp(env, val) +# endif /* USE_SIGLONGJMP */ + +# if !defined(NGROUPS_MAX) && defined(NGROUPS) +# define NGROUPS_MAX NGROUPS /* POSIX naming convention */ +# endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */ + +/* +** Some snprintf() implementations are rumored not to NUL terminate. +*/ +# if SNPRINTF_IS_BROKEN +# ifdef snprintf +# undef snprintf +# endif /* snprintf */ +# define snprintf sm_snprintf +# ifdef vsnprintf +# undef vsnprintf +# endif /* vsnprintf */ +# define vsnprintf sm_vsnprintf +# endif /* SNPRINTF_IS_BROKEN */ + +/* +** If we don't have a system syslog, simulate it. +*/ + +# if !LOG +# define LOG_EMERG 0 /* system is unusable */ +# define LOG_ALERT 1 /* action must be taken immediately */ +# define LOG_CRIT 2 /* critical conditions */ +# define LOG_ERR 3 /* error conditions */ +# define LOG_WARNING 4 /* warning conditions */ +# define LOG_NOTICE 5 /* normal but significant condition */ +# define LOG_INFO 6 /* informational */ +# define LOG_DEBUG 7 /* debug-level messages */ +# endif /* !LOG */ + +# ifndef SM_CONF_SYSLOG +# define SM_CONF_SYSLOG 1 /* syslog.h has prototype for syslog() */ +# endif /* SM_CONF_SYSLOG */ + +# if !SM_CONF_SYSLOG +# ifdef __STDC__ +extern void syslog(int, const char *, ...); +# else /* __STDC__ */ +extern void syslog(); +# endif /* __STDC__ */ +# endif /* !SM_CONF_SYSLOG */ + +/* portable(?) definition for alignment */ +# ifndef SM_ALIGN_SIZE +struct sm_align +{ + char al_c; + union + { + long al_l; + void *al_p; + double al_d; + void (*al_f) __P((void)); + } al_u; +}; +# define SM_ALIGN_SIZE offsetof(struct sm_align, al_u) +# endif /* ! SM_ALIGN_SIZE */ +# define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1) + +#endif /* ! SM_CONF_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/config.h b/contrib/sendmail-8.13.4/include/sm/config.h new file mode 100644 index 0000000000..5ebe548d74 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/config.h @@ -0,0 +1,187 @@ +/* + * Copyright (c) 2000-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: config.h,v 1.47 2004/10/26 21:41:07 gshapiro Exp $ + */ + +/* +** libsm configuration macros. +** The values of these macros are platform dependent. +** The default values are given here. +** If the default is incorrect, then the correct value can be specified +** in the m4 configuration file in devtools/OS. +*/ + +#ifndef SM_CONFIG_H +# define SM_CONFIG_H + +# include "sm_os.h" + +/* +** SM_CONF_STDBOOL_H is 1 if exists +*/ + +# ifndef SM_CONF_STDBOOL_H +# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +# define SM_CONF_STDBOOL_H 1 +# else /* defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L */ +# define SM_CONF_STDBOOL_H 0 +# endif /* defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L */ +# endif /* ! SM_CONF_STDBOOL_H */ + +/* +** Configuration macros that specify how __P is defined. +*/ + +# ifndef SM_CONF_SYS_CDEFS_H +# define SM_CONF_SYS_CDEFS_H 0 +# endif /* ! SM_CONF_SYS_CDEFS_H */ + +/* +** SM_CONF_STDDEF_H is 1 if exists +*/ + +# ifndef SM_CONF_STDDEF_H +# define SM_CONF_STDDEF_H 1 +# endif /* ! SM_CONF_STDDEF_H */ + +/* +** Configuration macro that specifies whether strlcpy/strlcat are available. +** Note: this is the default so that the libsm version (optimized) will +** be used by default (sm_strlcpy/sm_strlcat). +*/ + +# ifndef SM_CONF_STRL +# define SM_CONF_STRL 0 +# endif /* ! SM_CONF_STRL */ + +/* +** Configuration macro indicating that setitimer is available +*/ + +# ifndef SM_CONF_SETITIMER +# define SM_CONF_SETITIMER 1 +# endif /* ! SM_CONF_SETITIMER */ + +/* +** Does define uid_t and gid_t? +*/ + +# ifndef SM_CONF_UID_GID +# define SM_CONF_UID_GID 1 +# endif /* ! SM_CONF_UID_GID */ + +/* +** Does define ssize_t? +*/ +# ifndef SM_CONF_SSIZE_T +# define SM_CONF_SSIZE_T 1 +# endif /* ! SM_CONF_SSIZE_T */ + +/* +** Does the C compiler support long long? +*/ + +# ifndef SM_CONF_LONGLONG +# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +# define SM_CONF_LONGLONG 1 +# else /* defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L */ +# if defined(__GNUC__) +# define SM_CONF_LONGLONG 1 +# else /* defined(__GNUC__) */ +# define SM_CONF_LONGLONG 0 +# endif /* defined(__GNUC__) */ +# endif /* defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L */ +# endif /* ! SM_CONF_LONGLONG */ + +/* +** Does define quad_t and u_quad_t? +** We only care if long long is not available. +*/ + +# ifndef SM_CONF_QUAD_T +# define SM_CONF_QUAD_T 0 +# endif /* ! SM_CONF_QUAD_T */ + +/* +** Configuration macro indicating that shared memory is available +*/ + +# ifndef SM_CONF_SHM +# define SM_CONF_SHM 0 +# endif /* ! SM_CONF_SHM */ + +/* +** Does define sigsetjmp? +*/ + +# ifndef SM_CONF_SIGSETJMP +# define SM_CONF_SIGSETJMP 1 +# endif /* ! SM_CONF_SIGSETJMP */ + +/* +** Does exist, and define the EX_* macros with values +** that differ from the default BSD values in ? +*/ + +# ifndef SM_CONF_SYSEXITS_H +# define SM_CONF_SYSEXITS_H 0 +# endif /* ! SM_CONF_SYSEXITS_H */ + +/* has memchr() prototype? (if not: needs memory.h) */ +# ifndef SM_CONF_MEMCHR +# define SM_CONF_MEMCHR 1 +# endif /* ! SM_CONF_MEMCHR */ + +/* try LLONG tests in libsm/t-types.c? */ +# ifndef SM_CONF_TEST_LLONG +# define SM_CONF_TEST_LLONG 1 +# endif /* !SM_CONF_TEST_LLONG */ + +/* LDAP Checks */ +# if LDAPMAP +# include +# include + +/* Does the LDAP library have ldap_memfree()? */ +# ifndef SM_CONF_LDAP_MEMFREE + +/* +** The new LDAP C API (draft-ietf-ldapext-ldap-c-api-04.txt) includes +** ldap_memfree() in the API. That draft states to use LDAP_API_VERSION +** of 2004 to identify the API. +*/ + +# if USING_NETSCAPE_LDAP || LDAP_API_VERSION >= 2004 +# define SM_CONF_LDAP_MEMFREE 1 +# else /* USING_NETSCAPE_LDAP || LDAP_API_VERSION >= 2004 */ +# define SM_CONF_LDAP_MEMFREE 0 +# endif /* USING_NETSCAPE_LDAP || LDAP_API_VERSION >= 2004 */ +# endif /* ! SM_CONF_LDAP_MEMFREE */ + +/* Does the LDAP library have ldap_initialize()? */ +# ifndef SM_CONF_LDAP_INITIALIZE + +/* +** Check for ldap_initialize() support for support for LDAP URI's with +** non-ldap:// schemes. +*/ + +/* OpenLDAP does it with LDAP_OPT_URI */ +# ifdef LDAP_OPT_URI +# define SM_CONF_LDAP_INITIALIZE 1 +# endif /* LDAP_OPT_URI */ +# endif /* !SM_CONF_LDAP_INITIALIZE */ +# endif /* LDAPMAP */ + +/* don't use strcpy() */ +# ifndef DO_NOT_USE_STRCPY +# define DO_NOT_USE_STRCPY 1 +# endif /* ! DO_NOT_USE_STRCPY */ + +#endif /* ! SM_CONFIG_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/debug.h b/contrib/sendmail-8.13.4/include/sm/debug.h new file mode 100644 index 0000000000..e3142b2fa4 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/debug.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2000, 2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: debug.h,v 1.16 2003/01/10 00:26:06 ca Exp $ + */ + +/* +** libsm debugging and tracing +** See libsm/debug.html for documentation. +*/ + +#ifndef SM_DEBUG_H +# define SM_DEBUG_H + +# include +# include + +/* +** abstractions for printing trace messages +*/ + +extern SM_FILE_T * +sm_debug_file __P((void)); + +extern void +sm_debug_setfile __P(( SM_FILE_T *)); + +extern void PRINTFLIKE(1, 2) +sm_dprintf __P((char *_fmt, ...)); + +extern void +sm_dflush __P((void)); + +extern void +sm_debug_close __P((void)); + +/* +** abstractions for setting and testing debug activation levels +*/ + +extern void +sm_debug_addsettings_x __P((const char *)); + +extern void +sm_debug_addsetting_x __P((const char *, int)); + +# define SM_DEBUG_UNKNOWN ((SM_ATOMIC_UINT_T)(-1)) + +extern const char SmDebugMagic[]; + +typedef struct sm_debug SM_DEBUG_T; +struct sm_debug +{ + const char *sm_magic; /* points to SmDebugMagic */ + + /* + ** debug_level is the activation level of this debug + ** object. Level 0 means no debug activity. + ** It is initialized to SM_DEBUG_UNKNOWN, which indicates + ** that the true value is unknown. If debug_level == + ** SM_DEBUG_UNKNOWN, then the access functions will look up + ** its true value in the internal table of debug settings. + */ + + SM_ATOMIC_UINT_T debug_level; + + /* + ** debug_name is the name used to reference this SM_DEBUG + ** structure via the sendmail -d option. + */ + + char *debug_name; + + /* + ** debug_desc is a literal character string of the form + ** "@(#)$Debug: - $" + */ + + char *debug_desc; + + /* + ** We keep a linked list of initialized SM_DEBUG structures + ** so that when sm_debug_addsetting is called, we can reset + ** them all back to the uninitialized state. + */ + + SM_DEBUG_T *debug_next; +}; + +# ifndef SM_DEBUG_CHECK +# define SM_DEBUG_CHECK 1 +# endif /* ! SM_DEBUG_CHECK */ + +# if SM_DEBUG_CHECK +/* +** This macro is cleverly designed so that if the debug object is below +** the specified level, then the only overhead is a single comparison +** (except for the first time this macro is invoked). +*/ + +# define sm_debug_active(debug, level) \ + ((debug)->debug_level >= (level) && \ + ((debug)->debug_level != SM_DEBUG_UNKNOWN || \ + sm_debug_loadactive(debug, level))) + +# define sm_debug_level(debug) \ + ((debug)->debug_level == SM_DEBUG_UNKNOWN \ + ? sm_debug_loadlevel(debug) : (debug)->debug_level) + +# define sm_debug_unknown(debug) ((debug)->debug_level == SM_DEBUG_UNKNOWN) +# else /* SM_DEBUG_CHECK */ +# define sm_debug_active(debug, level) 0 +# define sm_debug_level(debug) 0 +# define sm_debug_unknown(debug) 0 +# endif /* SM_DEBUG_CHECK */ + +extern bool +sm_debug_loadactive __P((SM_DEBUG_T *, int)); + +extern int +sm_debug_loadlevel __P((SM_DEBUG_T *)); + +# define SM_DEBUG_INITIALIZER(name, desc) { \ + SmDebugMagic, \ + SM_DEBUG_UNKNOWN, \ + name, \ + desc, \ + NULL} + +#endif /* ! SM_DEBUG_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/errstring.h b/contrib/sendmail-8.13.4/include/sm/errstring.h new file mode 100644 index 0000000000..2b937328fd --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/errstring.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 1998-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: errstring.h,v 1.9 2003/12/10 03:19:06 gshapiro Exp $ + */ + +/* +** Error codes. +*/ + +#ifndef SM_ERRSTRING_H +# define SM_ERRSTRING_H + +#include +#if NEEDINTERRNO +extern int errno; +#endif /* NEEDINTERRNO */ + +/* +** These are used in a few cases where we need some special +** error codes, but where the system doesn't provide something +** reasonable. They are printed in sm_errstring. +*/ + +#ifndef E_PSEUDOBASE +# define E_PSEUDOBASE 256 +#endif /* ! E_PSEUDOBASE */ + +#define E_SM_OPENTIMEOUT (E_PSEUDOBASE + 0) /* Timeout on file open */ +#define E_SM_NOSLINK (E_PSEUDOBASE + 1) /* Symbolic links not allowed */ +#define E_SM_NOHLINK (E_PSEUDOBASE + 2) /* Hard links not allowed */ +#define E_SM_REGONLY (E_PSEUDOBASE + 3) /* Regular files only */ +#define E_SM_ISEXEC (E_PSEUDOBASE + 4) /* Executable files not allowed */ +#define E_SM_WWDIR (E_PSEUDOBASE + 5) /* World writable directory */ +#define E_SM_GWDIR (E_PSEUDOBASE + 6) /* Group writable directory */ +#define E_SM_FILECHANGE (E_PSEUDOBASE + 7) /* File changed after open */ +#define E_SM_WWFILE (E_PSEUDOBASE + 8) /* World writable file */ +#define E_SM_GWFILE (E_PSEUDOBASE + 9) /* Group writable file */ +#define E_SM_GRFILE (E_PSEUDOBASE + 10) /* g readable file */ +#define E_SM_WRFILE (E_PSEUDOBASE + 11) /* o readable file */ +#define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ +#define E_SMDBBASE (E_PSEUDOBASE + 40) /* base for libsmdb errors */ +#define E_LDAPBASE (E_PSEUDOBASE + 70) /* base for LDAP errors */ +#define E_LDAPURLBASE (E_PSEUDOBASE + 200) /* base for LDAP URL errors */ + + +/* libsmdb */ +#define SMDBE_OK 0 +#define SMDBE_MALLOC (E_SMDBBASE + 1) +#define SMDBE_GDBM_IS_BAD (E_SMDBBASE + 2) +#define SMDBE_UNSUPPORTED (E_SMDBBASE + 3) +#define SMDBE_DUPLICATE (E_SMDBBASE + 4) +#define SMDBE_BAD_OPEN (E_SMDBBASE + 5) +#define SMDBE_NOT_FOUND (E_SMDBBASE + 6) +#define SMDBE_UNKNOWN_DB_TYPE (E_SMDBBASE + 7) +#define SMDBE_UNSUPPORTED_DB_TYPE (E_SMDBBASE + 8) +#define SMDBE_INCOMPLETE (E_SMDBBASE + 9) +#define SMDBE_KEY_EMPTY (E_SMDBBASE + 10) +#define SMDBE_KEY_EXIST (E_SMDBBASE + 11) +#define SMDBE_LOCK_DEADLOCK (E_SMDBBASE + 12) +#define SMDBE_LOCK_NOT_GRANTED (E_SMDBBASE + 13) +#define SMDBE_LOCK_NOT_HELD (E_SMDBBASE + 14) +#define SMDBE_RUN_RECOVERY (E_SMDBBASE + 15) +#define SMDBE_IO_ERROR (E_SMDBBASE + 16) +#define SMDBE_READ_ONLY (E_SMDBBASE + 17) +#define SMDBE_DB_NAME_TOO_LONG (E_SMDBBASE + 18) +#define SMDBE_INVALID_PARAMETER (E_SMDBBASE + 19) +#define SMDBE_ONLY_SUPPORTS_ONE_CURSOR (E_SMDBBASE + 20) +#define SMDBE_NOT_A_VALID_CURSOR (E_SMDBBASE + 21) +#define SMDBE_LAST_ENTRY (E_SMDBBASE + 22) +#define SMDBE_OLD_VERSION (E_SMDBBASE + 23) +#define SMDBE_VERSION_MISMATCH (E_SMDBBASE + 24) + +extern const char *sm_errstring __P((int _errno)); + + +#endif /* SM_ERRSTRING_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/exc.h b/contrib/sendmail-8.13.4/include/sm/exc.h new file mode 100644 index 0000000000..afcb1252b5 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/exc.h @@ -0,0 +1,186 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: exc.h,v 1.23 2001/06/07 20:04:53 ca Exp $ + */ + +/* +** libsm exception handling +** See libsm/exc.html for documentation. +*/ + +#ifndef SM_EXC_H +# define SM_EXC_H + +#include +#include +#include +#include + +typedef struct sm_exc SM_EXC_T; +typedef struct sm_exc_type SM_EXC_TYPE_T; +typedef union sm_val SM_VAL_T; + +/* +** Exception types +*/ + +extern const char SmExcTypeMagic[]; + +struct sm_exc_type +{ + const char *sm_magic; + const char *etype_category; + const char *etype_argformat; + void (*etype_print) __P((SM_EXC_T *, SM_FILE_T *)); + const char *etype_printcontext; +}; + +extern const SM_EXC_TYPE_T SmEtypeOs; +extern const SM_EXC_TYPE_T SmEtypeErr; + +extern void +sm_etype_printf __P(( + SM_EXC_T *_exc, + SM_FILE_T *_stream)); + +/* +** Exception objects +*/ + +extern const char SmExcMagic[]; + +union sm_val +{ + int v_int; + long v_long; + char *v_str; + SM_EXC_T *v_exc; +}; + +struct sm_exc +{ + const char *sm_magic; + size_t exc_refcount; + const SM_EXC_TYPE_T *exc_type; + SM_VAL_T *exc_argv; +}; + +# define SM_EXC_INITIALIZER(type, argv) \ + { \ + SmExcMagic, \ + 0, \ + type, \ + argv, \ + } + +extern SM_EXC_T * +sm_exc_new_x __P(( + const SM_EXC_TYPE_T *_type, + ...)); + +extern SM_EXC_T * +sm_exc_addref __P(( + SM_EXC_T *_exc)); + +extern void +sm_exc_free __P(( + SM_EXC_T *_exc)); + +extern bool +sm_exc_match __P(( + SM_EXC_T *_exc, + const char *_pattern)); + +extern void +sm_exc_write __P(( + SM_EXC_T *_exc, + SM_FILE_T *_stream)); + +extern void +sm_exc_print __P(( + SM_EXC_T *_exc, + SM_FILE_T *_stream)); + +extern SM_DEAD(void +sm_exc_raise_x __P(( + SM_EXC_T *_exc))); + +extern SM_DEAD(void +sm_exc_raisenew_x __P(( + const SM_EXC_TYPE_T *_type, + ...))); + +/* +** Exception handling +*/ + +typedef void (*SM_EXC_DEFAULT_HANDLER_T) __P((SM_EXC_T *)); + +extern void +sm_exc_newthread __P(( + SM_EXC_DEFAULT_HANDLER_T _handle)); + +typedef struct sm_exc_handler SM_EXC_HANDLER_T; +struct sm_exc_handler +{ + SM_EXC_T *eh_value; + SM_JMPBUF_T eh_context; + SM_EXC_HANDLER_T *eh_parent; + int eh_state; +}; + +/* values for eh_state */ +enum +{ + SM_EH_PUSHED = 2, + SM_EH_POPPED = 0, + SM_EH_HANDLED = 1 +}; + +extern SM_EXC_HANDLER_T *SmExcHandler; + +# define SM_TRY { SM_EXC_HANDLER_T _h; \ + do { \ + _h.eh_value = NULL; \ + _h.eh_parent = SmExcHandler; \ + _h.eh_state = SM_EH_PUSHED; \ + SmExcHandler = &_h; \ + if (sm_setjmp_nosig(_h.eh_context) == 0) { + +# define SM_FINALLY SM_ASSERT(SmExcHandler == &_h); \ + } \ + if (sm_setjmp_nosig(_h.eh_context) == 0) { + +# define SM_EXCEPT(e,pat) } \ + if (_h.eh_state == SM_EH_HANDLED) \ + break; \ + if (_h.eh_state == SM_EH_PUSHED) { \ + SM_ASSERT(SmExcHandler == &_h); \ + SmExcHandler = _h.eh_parent; \ + } \ + _h.eh_state = sm_exc_match(_h.eh_value,pat) \ + ? SM_EH_HANDLED : SM_EH_POPPED; \ + if (_h.eh_state == SM_EH_HANDLED) { \ + SM_UNUSED(SM_EXC_T *e) = _h.eh_value; + +# define SM_END_TRY } \ + } while (0); \ + if (_h.eh_state == SM_EH_PUSHED) { \ + SM_ASSERT(SmExcHandler == &_h); \ + SmExcHandler = _h.eh_parent; \ + if (_h.eh_value != NULL) \ + sm_exc_raise_x(_h.eh_value); \ + } else if (_h.eh_state == SM_EH_POPPED) { \ + if (_h.eh_value != NULL) \ + sm_exc_raise_x(_h.eh_value); \ + } else \ + sm_exc_free(_h.eh_value); \ + } + +#endif /* SM_EXC_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/fdset.h b/contrib/sendmail-8.13.4/include/sm/fdset.h new file mode 100644 index 0000000000..bb42185647 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/fdset.h @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2001, 2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: fdset.h,v 1.5 2002/12/10 19:48:19 ca Exp $ + */ + +#ifndef SM_FDSET_H +# define SM_FDSET_H + +/* +** Note: SM_FD_OK_SELECT(fd) requires that ValidSocket(fd) has been checked +** before. +*/ + +# define SM_FD_SET(fd, pfdset) FD_SET(fd, pfdset) +# define SM_FD_ISSET(fd, pfdset) FD_ISSET(fd, pfdset) +# define SM_FD_SETSIZE FD_SETSIZE +# define SM_FD_OK_SELECT(fd) (FD_SETSIZE <= 0 || (fd) < FD_SETSIZE) + +#endif /* SM_FDSET_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/gen.h b/contrib/sendmail-8.13.4/include/sm/gen.h new file mode 100644 index 0000000000..6fec06c23a --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/gen.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: gen.h,v 1.23 2003/11/04 18:51:54 ca Exp $ + */ + +/* +** libsm general definitions +** See libsm/gen.html for documentation. +*/ + +#ifndef SM_GEN_H +# define SM_GEN_H + +# include +# include +# include + +/* +** Define SM_RCSID and SM_IDSTR, +** macros used to embed RCS and SCCS identification strings in object files. +*/ + +# ifdef lint +# define SM_RCSID(str) +# define SM_IDSTR(id,str) +# else /* lint */ +# define SM_RCSID(str) SM_UNUSED(static const char RcsId[]) = str; +# define SM_IDSTR(id,str) SM_UNUSED(static const char id[]) = str; +# endif /* lint */ + +/* +** Define NULL and offsetof (from the C89 standard) +*/ + +# if SM_CONF_STDDEF_H +# include +# else /* SM_CONF_STDDEF_H */ +# ifndef NULL +# define NULL 0 +# endif /* ! NULL */ +# define offsetof(type, member) ((size_t)(&((type *)0)->member)) +# endif /* SM_CONF_STDDEF_H */ + +/* +** Define bool, true, false (from the C99 standard) +*/ + +# if SM_CONF_STDBOOL_H +# include +# else /* SM_CONF_STDBOOL_H */ +# ifndef __cplusplus + typedef int bool; +# define false 0 +# define true 1 +# define __bool_true_false_are_defined 1 +# endif /* ! __cplusplus */ +# endif /* SM_CONF_STDBOOL_H */ + +/* +** Define SM_MAX and SM_MIN +*/ + +# define SM_MAX(a, b) ((a) > (b) ? (a) : (b)) +# define SM_MIN(a, b) ((a) < (b) ? (a) : (b)) + +/* Define SM_SUCCESS and SM_FAILURE */ +# define SM_SUCCESS 0 +# define SM_FAILURE (-1) + +/* XXX This needs to be fixed when we start to use threads: */ +typedef int SM_ATOMIC_INT_T; +typedef unsigned int SM_ATOMIC_UINT_T; + +#endif /* SM_GEN_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/heap.h b/contrib/sendmail-8.13.4/include/sm/heap.h new file mode 100644 index 0000000000..8b56370153 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/heap.h @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: heap.h,v 1.22 2001/09/04 22:41:55 ca Exp $ + */ + +/* +** Sendmail debugging memory allocation package. +** See libsm/heap.html for documentation. +*/ + +#ifndef SM_HEAP_H +# define SM_HEAP_H + +# include +# include +# include +# include + +/* change default to 0 for production? */ +# ifndef SM_HEAP_CHECK +# define SM_HEAP_CHECK 1 +# endif /* ! SM_HEAP_CHECK */ + +# if SM_HEAP_CHECK +# define sm_malloc_x(sz) sm_malloc_tagged_x(sz, __FILE__, __LINE__, SmHeapGroup) +# define sm_malloc(size) sm_malloc_tagged(size, __FILE__, __LINE__, SmHeapGroup) +# define sm_free(ptr) sm_free_tagged(ptr, __FILE__, __LINE__) + +extern void *sm_malloc_tagged __P((size_t, char *, int, int)); +extern void *sm_malloc_tagged_x __P((size_t, char *, int, int)); +extern void sm_free_tagged __P((void *, char *, int)); +extern void *sm_realloc_x __P((void *, size_t)); +extern bool sm_heap_register __P((void *, size_t, char *, int, int)); +extern void sm_heap_checkptr_tagged __P((void *, char *, int)); +extern void sm_heap_report __P((SM_FILE_T *, int)); + +# else /* SM_HEAP_CHECK */ +# define sm_malloc_tagged(size, file, line, grp) sm_malloc(size) +# define sm_malloc_tagged_x(size, file, line, grp) sm_malloc_x(size) +# define sm_free_tagged(ptr, file, line) sm_free(ptr) +# define sm_heap_register(ptr, size, file, line, grp) (true) +# define sm_heap_checkptr_tagged(ptr, tag, num) ((void)0) +# define sm_heap_report(file, verbose) ((void)0) + +extern void *sm_malloc __P((size_t)); +extern void *sm_malloc_x __P((size_t)); +extern void *sm_realloc_x __P((void *, size_t)); +extern void sm_free __P((void *)); +# endif /* SM_HEAP_CHECK */ + +extern void *sm_realloc __P((void *, size_t)); + +# define sm_heap_checkptr(ptr) sm_heap_checkptr_tagged(ptr, __FILE__, __LINE__) + +#if 0 +/* +** sm_f[mc]alloc are plug in replacements for malloc and calloc +** which can be used in a context requiring a function pointer, +** and which are compatible with sm_free. Warning: sm_heap_report +** cannot report where storage leaked by sm_f[mc]alloc was allocated. +*/ + +/* XXX unused right now */ + +extern void * +sm_fmalloc __P(( + size_t)); + +extern void * +sm_fcalloc __P(( + size_t, + size_t)); +#endif /* 0 */ + +/* +** Allocate 'permanent' storage that can be freed but may still be +** allocated when the process exits. sm_heap_report will not complain +** about a storage leak originating from a call to sm_pmalloc. +*/ + +# define sm_pmalloc(size) sm_malloc_tagged(size, __FILE__, __LINE__, 0) +# define sm_pmalloc_x(size) sm_malloc_tagged_x(size, __FILE__, __LINE__, 0) + +# define sm_heap_group() SmHeapGroup +# define sm_heap_setgroup(g) (SmHeapGroup = (g)) +# define sm_heap_newgroup() (SmHeapGroup = ++SmHeapMaxGroup) + +extern int SmHeapGroup; +extern int SmHeapMaxGroup; + +extern SM_DEBUG_T SmHeapTrace; +extern SM_DEBUG_T SmHeapCheck; +extern SM_EXC_T SmHeapOutOfMemory; + +#endif /* ! SM_HEAP_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/io.h b/contrib/sendmail-8.13.4/include/sm/io.h new file mode 100644 index 0000000000..d3f21d0736 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/io.h @@ -0,0 +1,389 @@ +/* + * Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: io.h,v 1.24 2004/03/03 19:14:49 ca Exp $ + */ + +/*- + * @(#)stdio.h 5.17 (Berkeley) 6/3/91 + */ + +#ifndef SM_IO_H +#define SM_IO_H + +#include +#include +#include + +/* mode for sm io (exposed) */ +#define SM_IO_RDWR 1 /* read-write */ +#define SM_IO_RDONLY 2 /* read-only */ +#define SM_IO_WRONLY 3 /* write-only */ +#define SM_IO_APPEND 4 /* write-only from eof */ +#define SM_IO_APPENDRW 5 /* read-write from eof */ +#define SM_IO_RDWRTR 6 /* read-write with truncation indicated */ + +# define SM_IO_BINARY 0x0 /* binary mode: not used in Unix */ +#define SM_IS_BINARY(mode) (((mode) & SM_IO_BINARY) != 0) +#define SM_IO_MODE(mode) ((mode) & 0x0f) + +#define SM_IO_RDWR_B (SM_IO_RDWR|SM_IO_BINARY) +#define SM_IO_RDONLY_B (SM_IO_RDONLY|SM_IO_BINARY) +#define SM_IO_WRONLY_B (SM_IO_WRONLY|SM_IO_BINARY) +#define SM_IO_APPEND_B (SM_IO_APPEND|SM_IO_BINARY) +#define SM_IO_APPENDRW_B (SM_IO_APPENDRW|SM_IO_BINARY) +#define SM_IO_RDWRTR_B (SM_IO_RDWRTR|SM_IO_BINARY) + +/* for sm_io_fseek, et al api's (exposed) */ +#define SM_IO_SEEK_SET 0 +#define SM_IO_SEEK_CUR 1 +#define SM_IO_SEEK_END 2 + +/* flags for info what's with different types (exposed) */ +#define SM_IO_WHAT_MODE 1 +#define SM_IO_WHAT_VECTORS 2 +#define SM_IO_WHAT_FD 3 +#define SM_IO_WHAT_TYPE 4 +#define SM_IO_WHAT_ISTYPE 5 +#define SM_IO_IS_READABLE 6 +#define SM_IO_WHAT_TIMEOUT 7 +#define SM_IO_WHAT_SIZE 8 + +/* info flags (exposed) */ +#define SM_IO_FTYPE_CREATE 1 +#define SM_IO_FTYPE_MODIFY 2 +#define SM_IO_FTYPE_DELETE 3 + +#define SM_IO_SL_PRIO 1 + +#define SM_IO_OPEN_MAX 20 + +/* for internal buffers */ +struct smbuf +{ + unsigned char *smb_base; + int smb_size; +}; + +/* +** sm I/O state variables (internal only). +** +** The following always hold: +** +** if (flags&(SMLBF|SMWR)) == (SMLBF|SMWR), +** lbfsize is -bf.size, else lbfsize is 0 +** if flags&SMRD, w is 0 +** if flags&SMWR, r is 0 +** +** This ensures that the getc and putc macros (or inline functions) never +** try to write or read from a file that is in `read' or `write' mode. +** (Moreover, they can, and do, automatically switch from read mode to +** write mode, and back, on "r+" and "w+" files.) +** +** lbfsize is used only to make the inline line-buffered output stream +** code as compact as possible. +** +** ub, up, and ur are used when ungetc() pushes back more characters +** than fit in the current bf, or when ungetc() pushes back a character +** that does not match the previous one in bf. When this happens, +** ub.base becomes non-nil (i.e., a stream has ungetc() data iff +** ub.base!=NULL) and up and ur save the current values of p and r. +*/ + +typedef struct sm_file SM_FILE_T; + +struct sm_file +{ + const char *sm_magic; /* This SM_FILE_T is free when NULL */ + unsigned char *f_p; /* current position in (some) buffer */ + int f_r; /* read space left for getc() */ + int f_w; /* write space left for putc() */ + long f_flags; /* flags, below */ + short f_file; /* fileno, if Unix fd, else -1 */ + struct smbuf f_bf; /* the buffer (>= 1 byte, if !NULL) */ + int f_lbfsize; /* 0 or -bf.size, for inline putc */ + + /* These can be used for any purpose by a file type implementation: */ + void *f_cookie; + int f_ival; + + /* operations */ + int (*f_close) __P((SM_FILE_T *)); + ssize_t (*f_read) __P((SM_FILE_T *, char *, size_t)); + off_t (*f_seek) __P((SM_FILE_T *, off_t, int)); + ssize_t (*f_write) __P((SM_FILE_T *, const char *, size_t)); + int (*f_open) __P((SM_FILE_T *, const void *, int, + const void *)); + int (*f_setinfo) __P((SM_FILE_T *, int , void *)); + int (*f_getinfo) __P((SM_FILE_T *, int , void *)); + int f_timeout; + int f_timeoutstate; /* either blocking or non-blocking */ + char *f_type; /* for by-type lookups */ + struct sm_file *f_flushfp; /* flush this before reading parent */ + struct sm_file *f_modefp; /* sync mode with this fp */ + + /* separate buffer for long sequences of ungetc() */ + struct smbuf f_ub; /* ungetc buffer */ + unsigned char *f_up; /* saved f_p when f_p is doing ungetc */ + int f_ur; /* saved f_r when f_r is counting ungetc */ + + /* tricks to meet minimum requirements even when malloc() fails */ + unsigned char f_ubuf[3]; /* guarantee an ungetc() buffer */ + unsigned char f_nbuf[1]; /* guarantee a getc() buffer */ + + /* Unix stdio files get aligned to block boundaries on fseek() */ + int f_blksize; /* stat.st_blksize (may be != bf.size) */ + off_t f_lseekoff; /* current lseek offset */ + int f_dup_cnt; /* count file dup'd */ +}; + +__BEGIN_DECLS +extern SM_FILE_T SmIoF[]; +extern const char SmFileMagic[]; +extern SM_FILE_T SmFtStdio_def; +extern SM_FILE_T SmFtStdiofd_def; +extern SM_FILE_T SmFtString_def; +extern SM_FILE_T SmFtSyslog_def; +extern SM_FILE_T SmFtRealStdio_def; + +#define SMIOIN_FILENO 0 +#define SMIOOUT_FILENO 1 +#define SMIOERR_FILENO 2 +#define SMIOSTDIN_FILENO 3 +#define SMIOSTDOUT_FILENO 4 +#define SMIOSTDERR_FILENO 5 + +/* Common predefined and already (usually) open files (exposed) */ +#define smioin (&SmIoF[SMIOIN_FILENO]) +#define smioout (&SmIoF[SMIOOUT_FILENO]) +#define smioerr (&SmIoF[SMIOERR_FILENO]) +#define smiostdin (&SmIoF[SMIOSTDIN_FILENO]) +#define smiostdout (&SmIoF[SMIOSTDOUT_FILENO]) +#define smiostderr (&SmIoF[SMIOSTDERR_FILENO]) + +#define SmFtStdio (&SmFtStdio_def) +#define SmFtStdiofd (&SmFtStdiofd_def) +#define SmFtString (&SmFtString_def) +#define SmFtSyslog (&SmFtSyslog_def) +#define SmFtRealStdio (&SmFtRealStdio_def) + +#ifdef __STDC__ +# define SM_IO_SET_TYPE(f, name, open, close, read, write, seek, get, set, timeout) \ + (f) = {SmFileMagic, (unsigned char *) 0, 0, 0, 0L, -1, {0}, 0, (void *) 0,\ + 0, (close), (read), (seek), (write), (open), (set), (get), (timeout),\ + 0, (name)} +# define SM_IO_INIT_TYPE(f, name, open, close, read, write, seek, get, set, timeout) + +#else /* __STDC__ */ +# define SM_IO_SET_TYPE(f, name, open, close, read, write, seek, get, set, timeout) (f) +# define SM_IO_INIT_TYPE(f, name, open, close, read, write, seek, get, set, timeout) \ + (f).sm_magic = SmFileMagic; \ + (f).f_p = (unsigned char *) 0; \ + (f).f_r = 0; \ + (f).f_w = 0; \ + (f).f_flags = 0L; \ + (f).f_file = 0; \ + (f).f_bf.smb_base = (unsigned char *) 0; \ + (f).f_bf.smb_size = 0; \ + (f).f_lbfsize = 0; \ + (f).f_cookie = (void *) 0; \ + (f).f_ival = 0; \ + (f).f_close = (close); \ + (f).f_read = (read); \ + (f).f_seek = (seek); \ + (f).f_write = (write); \ + (f).f_open = (open); \ + (f).f_setinfo = (set); \ + (f).f_getinfo = (get); \ + (f).f_timeout = (timeout); \ + (f).f_timeoutstate = 0; \ + (f).f_type = (name); + +#endif /* __STDC__ */ + +__END_DECLS + +/* Internal flags */ +#define SMFBF 0x000001 /* XXXX fully buffered */ +#define SMLBF 0x000002 /* line buffered */ +#define SMNBF 0x000004 /* unbuffered */ +#define SMNOW 0x000008 /* Flush each write; take read now */ +#define SMRD 0x000010 /* OK to read */ +#define SMWR 0x000020 /* OK to write */ + /* RD and WR are never simultaneously asserted */ +#define SMRW 0x000040 /* open for reading & writing */ +#define SMFEOF 0x000080 /* found EOF */ +#define SMERR 0x000100 /* found error */ +#define SMMBF 0x000200 /* buf is from malloc */ +#define SMAPP 0x000400 /* fdopen()ed in append mode */ +#define SMSTR 0x000800 /* this is an snprintf string */ +#define SMOPT 0x001000 /* do fseek() optimisation */ +#define SMNPT 0x002000 /* do not do fseek() optimisation */ +#define SMOFF 0x004000 /* set iff offset is in fact correct */ +#define SMALC 0x010000 /* allocate string space dynamically */ + +#define SMMODEMASK 0x0070 /* read/write mode */ + +/* defines for timeout constants */ +#define SM_TIME_IMMEDIATE (0) +#define SM_TIME_FOREVER (-1) +#define SM_TIME_DEFAULT (-2) + +/* timeout state for blocking */ +#define SM_TIME_BLOCK (0) /* XXX just bool? */ +#define SM_TIME_NONBLOCK (1) + +/* Exposed buffering type flags */ +#define SM_IO_FBF 0 /* setvbuf should set fully buffered */ +#define SM_IO_LBF 1 /* setvbuf should set line buffered */ +#define SM_IO_NBF 2 /* setvbuf should set unbuffered */ + +/* setvbuf buffered, but through at lower file type layers */ +#define SM_IO_NOW 3 + +/* +** size of buffer used by setbuf. +** If underlying filesystem blocksize is discoverable that is used instead +*/ + +#define SM_IO_BUFSIZ 4096 + +#define SM_IO_EOF (-1) + +/* Functions defined in ANSI C standard. */ +__BEGIN_DECLS +SM_FILE_T *sm_io_autoflush __P((SM_FILE_T *, SM_FILE_T *)); +void sm_io_automode __P((SM_FILE_T *, SM_FILE_T *)); +void sm_io_clearerr __P((SM_FILE_T *)); +int sm_io_close __P((SM_FILE_T *, int SM_NONVOLATILE)); +SM_FILE_T *sm_io_dup __P((SM_FILE_T *)); +int sm_io_eof __P((SM_FILE_T *)); +int sm_io_error __P((SM_FILE_T *)); +char *sm_io_fgets __P((SM_FILE_T *, int, char *, int)); +int sm_io_flush __P((SM_FILE_T *, int SM_NONVOLATILE)); + +int PRINTFLIKE(3, 4) +sm_io_fprintf __P((SM_FILE_T *, int, const char *, ...)); + +int sm_io_fputs __P((SM_FILE_T *, int, const char *)); + +int SCANFLIKE(3, 4) +sm_io_fscanf __P((SM_FILE_T *, int, const char *, ...)); + +int sm_io_getc __P((SM_FILE_T *, int)); +int sm_io_getinfo __P((SM_FILE_T *, int, void *)); +SM_FILE_T *sm_io_open __P((const SM_FILE_T *, int SM_NONVOLATILE, const void *, + int, const void *)); +int sm_io_purge __P((SM_FILE_T *)); +int sm_io_putc __P((SM_FILE_T *, int, int)); +size_t sm_io_read __P((SM_FILE_T *, int, void *, size_t)); +SM_FILE_T *sm_io_reopen __P((const SM_FILE_T *, int SM_NONVOLATILE, + const void *, int, const void *, SM_FILE_T *)); +void sm_io_rewind __P((SM_FILE_T *, int)); +int sm_io_seek __P((SM_FILE_T *, int SM_NONVOLATILE, long SM_NONVOLATILE, + int SM_NONVOLATILE)); +int sm_io_setinfo __P((SM_FILE_T *, int, void *)); +int sm_io_setvbuf __P((SM_FILE_T *, int, char *, int, size_t)); + +int SCANFLIKE(2, 3) +sm_io_sscanf __P((const char *, char const *, ...)); + +long sm_io_tell __P((SM_FILE_T *, int SM_NONVOLATILE)); +int sm_io_ungetc __P((SM_FILE_T *, int, int)); +int sm_io_vfprintf __P((SM_FILE_T *, int, const char *, va_list)); +size_t sm_io_write __P((SM_FILE_T *, int, const void *, size_t)); + +void sm_strio_init __P((SM_FILE_T *, char *, size_t)); + +extern SM_FILE_T * +sm_io_fopen __P(( + char *_pathname, + int _flags, + ...)); + +extern SM_FILE_T * +sm_io_stdioopen __P(( + FILE *_stream, + char *_mode)); + +extern int +sm_vasprintf __P(( + char **_str, + const char *_fmt, + va_list _ap)); + +extern int +sm_vsnprintf __P(( + char *, + size_t, + const char *, + va_list)); + +extern void +sm_perror __P(( + const char *)); + +__END_DECLS + +/* +** Functions internal to the implementation. +*/ + +__BEGIN_DECLS +int sm_rget __P((SM_FILE_T *, int)); +int sm_vfscanf __P((SM_FILE_T *, int SM_NONVOLATILE, const char *, + va_list SM_NONVOLATILE)); +int sm_wbuf __P((SM_FILE_T *, int, int)); +__END_DECLS + +/* +** The macros are here so that we can +** define function versions in the library. +*/ + +#define sm_getc(f, t) \ + (--(f)->f_r < 0 ? \ + sm_rget(f, t) : \ + (int)(*(f)->f_p++)) + +/* +** This has been tuned to generate reasonable code on the vax using pcc. +** (It also generates reasonable x86 code using gcc.) +*/ + +#define sm_putc(f, t, c) \ + (--(f)->f_w < 0 ? \ + (f)->f_w >= (f)->f_lbfsize ? \ + (*(f)->f_p = (c)), *(f)->f_p != '\n' ? \ + (int)*(f)->f_p++ : \ + sm_wbuf(f, t, '\n') : \ + sm_wbuf(f, t, (int)(c)) : \ + (*(f)->f_p = (c), (int)*(f)->f_p++)) + +#define sm_eof(p) (((p)->f_flags & SMFEOF) != 0) +#define sm_error(p) (((p)->f_flags & SMERR) != 0) +#define sm_clearerr(p) ((void)((p)->f_flags &= ~(SMERR|SMFEOF))) + +#define sm_io_eof(p) sm_eof(p) +#define sm_io_error(p) sm_error(p) + +#define sm_io_clearerr(p) sm_clearerr(p) + +#ifndef lint +# ifndef _POSIX_SOURCE +# define sm_io_getc(fp, t) sm_getc(fp, t) +# define sm_io_putc(fp, t, x) sm_putc(fp, t, x) +# endif /* _POSIX_SOURCE */ +#endif /* lint */ + +#endif /* SM_IO_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/ldap.h b/contrib/sendmail-8.13.4/include/sm/ldap.h new file mode 100644 index 0000000000..8df8fe14b8 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/ldap.h @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: ldap.h,v 1.27 2003/12/20 09:23:47 gshapiro Exp $ + */ + +#ifndef SM_LDAP_H +# define SM_LDAP_H + +# include +# include + +/* +** NOTE: These should be changed from LDAPMAP_* to SM_LDAP_* +** in the next major release (8.13) of sendmail. +*/ + +# ifndef LDAPMAP_MAX_ATTR +# define LDAPMAP_MAX_ATTR 64 +# endif /* ! LDAPMAP_MAX_ATTR */ +# ifndef LDAPMAP_MAX_FILTER +# define LDAPMAP_MAX_FILTER 1024 +# endif /* ! LDAPMAP_MAX_FILTER */ +# ifndef LDAPMAP_MAX_PASSWD +# define LDAPMAP_MAX_PASSWD 256 +# endif /* ! LDAPMAP_MAX_PASSWD */ + +# if LDAPMAP + +/* Attribute types */ +# define SM_LDAP_ATTR_NONE (-1) +# define SM_LDAP_ATTR_OBJCLASS 0 +# define SM_LDAP_ATTR_NORMAL 1 +# define SM_LDAP_ATTR_DN 2 +# define SM_LDAP_ATTR_FILTER 3 +# define SM_LDAP_ATTR_URL 4 + +/* sm_ldap_results() flags */ +# define SM_LDAP_SINGLEMATCH 0x0001 +# define SM_LDAP_MATCHONLY 0x0002 +# define SM_LDAP_USE_ALLATTR 0x0004 + +struct sm_ldap_struct +{ + /* needed for ldap_open or ldap_init */ + char *ldap_uri; + char *ldap_host; + int ldap_port; + int ldap_version; + pid_t ldap_pid; + + /* options set in ld struct before ldap_bind_s */ + int ldap_deref; + time_t ldap_timelimit; + int ldap_sizelimit; + int ldap_options; + + /* args for ldap_bind_s */ + LDAP *ldap_ld; + char *ldap_binddn; + char *ldap_secret; + int ldap_method; + + /* args for ldap_search */ + char *ldap_base; + int ldap_scope; + char *ldap_filter; + char *ldap_attr[LDAPMAP_MAX_ATTR + 1]; + int ldap_attr_type[LDAPMAP_MAX_ATTR + 1]; + char *ldap_attr_needobjclass[LDAPMAP_MAX_ATTR + 1]; + bool ldap_attrsonly; + + /* args for ldap_result */ + struct timeval ldap_timeout; + LDAPMessage *ldap_res; + + /* ldapmap_lookup options */ + char ldap_attrsep; + + /* Linked list of maps sharing the same LDAP binding */ + void *ldap_next; +}; + +typedef struct sm_ldap_struct SM_LDAP_STRUCT; + +struct sm_ldap_recurse_entry +{ + char *lr_search; + int lr_type; + LDAPURLDesc *lr_ludp; + char **lr_attrs; + bool lr_done; +}; + +struct sm_ldap_recurse_list +{ + int lr_size; + int lr_cnt; + struct sm_ldap_recurse_entry **lr_data; +}; + +typedef struct sm_ldap_recurse_entry SM_LDAP_RECURSE_ENTRY; +typedef struct sm_ldap_recurse_list SM_LDAP_RECURSE_LIST; + +/* functions */ +extern void sm_ldap_clear __P((SM_LDAP_STRUCT *)); +extern bool sm_ldap_start __P((char *, SM_LDAP_STRUCT *)); +extern int sm_ldap_search __P((SM_LDAP_STRUCT *, char *)); +extern int sm_ldap_results __P((SM_LDAP_STRUCT *, int, int, int, + SM_RPOOL_T *, char **, int *, int *, + SM_LDAP_RECURSE_LIST *)); +extern void sm_ldap_setopts __P((LDAP *, SM_LDAP_STRUCT *)); +extern int sm_ldap_geterrno __P((LDAP *)); +extern void sm_ldap_close __P((SM_LDAP_STRUCT *)); + +/* Portability defines */ +# if !SM_CONF_LDAP_MEMFREE +# define ldap_memfree(x) ((void) 0) +# endif /* !SM_CONF_LDAP_MEMFREE */ + +# endif /* LDAPMAP */ +#endif /* ! SM_LDAP_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/limits.h b/contrib/sendmail-8.13.4/include/sm/limits.h new file mode 100644 index 0000000000..5041db317f --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/limits.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: limits.h,v 1.6 2001/03/08 03:23:08 ca Exp $ + */ + +/* +** +** This header file is a portability wrapper for . +** It includes , then it ensures that the following macros +** from the C 1999 standard for are defined: +** LLONG_MIN, LLONG_MAX +** ULLONG_MAX +*/ + +#ifndef SM_LIMITS_H +# define SM_LIMITS_H + +# include +# include +# include + +/* +** The following assumes two's complement binary arithmetic. +*/ + +# ifndef LLONG_MIN +# define LLONG_MIN ((LONGLONG_T)(~(ULLONG_MAX >> 1))) +# endif /* ! LLONG_MIN */ +# ifndef LLONG_MAX +# define LLONG_MAX ((LONGLONG_T)(ULLONG_MAX >> 1)) +# endif /* ! LLONG_MAX */ +# ifndef ULLONG_MAX +# define ULLONG_MAX ((ULONGLONG_T)(-1)) +# endif /* ! ULLONG_MAX */ + +/* +** PATH_MAX is defined by the POSIX standard. All modern systems +** provide it. Older systems define MAXPATHLEN in instead. +*/ + +# ifndef PATH_MAX +# ifdef MAXPATHLEN +# define PATH_MAX MAXPATHLEN +# else /* MAXPATHLEN */ +# define PATH_MAX 2048 +# endif /* MAXPATHLEN */ +# endif /* ! PATH_MAX */ + +#endif /* ! SM_LIMITS_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/mbdb.h b/contrib/sendmail-8.13.4/include/sm/mbdb.h new file mode 100644 index 0000000000..010e50c62b --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/mbdb.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: mbdb.h,v 1.6 2002/05/24 20:50:14 gshapiro Exp $ + */ + +#ifndef SM_MBDB_H +# define SM_MBDB_H + +#include +#include +#include + +/* +** This is an abstract interface for looking up local mail recipients. +*/ + +#define MBDB_MAXNAME 256 +#define SM_NO_UID ((uid_t)(-1)) +#define SM_NO_GID ((gid_t)(-1)) + +typedef struct +{ + uid_t mbdb_uid; + gid_t mbdb_gid; + char mbdb_name[MBDB_MAXNAME]; + char mbdb_fullname[MBDB_MAXNAME]; + char mbdb_homedir[PATH_MAX]; + char mbdb_shell[PATH_MAX]; +} SM_MBDB_T; + +extern int sm_mbdb_initialize __P((char *)); +extern void sm_mbdb_terminate __P((void)); +extern int sm_mbdb_lookup __P((char *, SM_MBDB_T *)); +extern void sm_mbdb_frompw __P((SM_MBDB_T *, struct passwd *)); +extern void sm_pwfullname __P((char *, char *, char *, size_t)); + +#endif /* ! SM_MBDB_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_aix.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_aix.h new file mode 100644 index 0000000000..4669a3cecf --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_aix.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_aix.h,v 1.11 2003/04/28 23:42:23 ca Exp $ + */ + +/* +** sm_os_aix.h -- platform definitions for AIX +*/ + +#define SM_OS_NAME "aix" + +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 2 +#endif /* SM_CONF_SEM */ +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ + +/* AIX 3 doesn't have a prototype for syslog()? */ +#ifdef _AIX3 +# ifndef _AIX4 +# ifndef SM_CONF_SYSLOG +# define SM_CONF_SYSLOG 0 +# endif /* SM_CONF_SYSLOG */ +# endif /* ! _AIX4 */ +#endif /* _AIX3 */ + +#if _AIX5 >= 50200 +# define SM_CONF_LONGLONG 1 +#endif /* _AIX5 >= 50200 */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_dragonfly.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_dragonfly.h new file mode 100644 index 0000000000..4428cab487 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_dragonfly.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_dragonfly.h,v 1.1 2004/08/06 03:54:07 gshapiro Exp $ + */ + +/* +** Platform definitions for DragonFly BSD +*/ + +#define SM_OS_NAME "dragonfly" + +#define SM_CONF_SYS_CDEFS_H 1 + +#define MI_SOMAXCONN -1 /* listen() max backlog for milter */ + +#ifndef SM_CONF_STRL +# define SM_CONF_STRL 1 +#endif /* SM_CONF_STRL */ +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 1 +#endif /* SM_CONF_SEM */ +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_freebsd.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_freebsd.h new file mode 100644 index 0000000000..3ba61fd546 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_freebsd.h @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_freebsd.h,v 1.11 2002/04/15 17:17:05 gshapiro Exp $ + */ + +/* +** Platform definitions for FreeBSD +*/ + +#define SM_OS_NAME "freebsd" + +#define SM_CONF_SYS_CDEFS_H 1 + +#if __FreeBSD__ >= 2 +# include /* defines __FreeBSD_version */ +# if __FreeBSD_version >= 199512 /* 2.2-current when it appeared */ +# define MI_SOMAXCONN -1 /* listen() max backlog for milter */ +# endif /* __FreeBSD_version >= 199512 */ +# if __FreeBSD_version >= 330000 + /* 3.3.0-release and later have strlcpy()/strlcat() */ +# ifndef SM_CONF_STRL +# define SM_CONF_STRL 1 +# endif +# endif +#endif + +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 1 +#endif /* SM_CONF_SEM */ +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_hp.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_hp.h new file mode 100644 index 0000000000..2cbcb57790 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_hp.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_hp.h,v 1.8 2001/10/31 15:36:56 ca Exp $ + */ + +/* +** sm_os_hp.h -- platform definitions for HP +*/ + +#define SM_OS_NAME "hp" + +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 2 +#endif /* SM_CONF_SEM */ +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ + +/* max/min buffer size of other than regular files */ +#ifndef SM_IO_MAX_BUF +# define SM_IO_MAX_BUF 8192 +#endif /* SM_IO_MAX_BUF */ +#ifndef SM_IO_MIN_BUF +# define SM_IO_MIN_BUF 4096 +#endif /* SM_IO_MIN_BUF */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_irix.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_irix.h new file mode 100644 index 0000000000..185485a9e1 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_irix.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_irix.h,v 1.7 2001/10/09 23:12:13 ca Exp $ + */ + +/* +** Silicon Graphics IRIX +** +** Compiles on 4.0.1. +** +** Use IRIX64 instead of IRIX for 64-bit IRIX (6.0). +** Use IRIX5 instead of IRIX for IRIX 5.x. +** +** This version tries to be adaptive using _MIPS_SIM: +** _MIPS_SIM == _ABIO32 (= 1) Abi: -32 on IRIX 6.2 +** _MIPS_SIM == _ABIN32 (= 2) Abi: -n32 on IRIX 6.2 +** _MIPS_SIM == _ABI64 (= 3) Abi: -64 on IRIX 6.2 +** +** _MIPS_SIM is 1 also on IRIX 5.3 +** +** IRIX64 changes from Mark R. Levinson . +** IRIX5 changes from Kari E. Hurtta . +** Adaptive changes from Kari E. Hurtta . +*/ + +#ifndef IRIX +# define IRIX +#endif /* ! IRIX */ +#if _MIPS_SIM > 0 && !defined(IRIX5) +# define IRIX5 /* IRIX5 or IRIX6 */ +#endif /* _MIPS_SIM > 0 && !defined(IRIX5) */ +#if _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64) +# define IRIX6 /* IRIX6 */ +#endif /* _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64) */ + +#define SM_OS_NAME "irix" + +#if defined(IRIX6) || defined(IRIX64) +# define SM_CONF_LONGLONG 1 +#endif /* defined(IRIX6) || defined(IRIX64) */ + +#if defined(IRIX64) || defined(IRIX5) || defined(IRIX6) +# define SM_CONF_SYS_CDEFS_H 1 +#endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */ + +/* try LLONG tests in libsm/t-types.c? */ +#ifndef SM_CONF_TEST_LLONG +# define SM_CONF_TEST_LLONG 0 +#endif /* !SM_CONF_TEST_LLONG */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_linux.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_linux.h new file mode 100644 index 0000000000..f232c497b1 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_linux.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_linux.h,v 1.12 2001/10/05 01:52:41 ca Exp $ + */ + +/* +** Platform definitions for Linux +*/ + +#define SM_OS_NAME "linux" + +/* to get version number */ +#include + +# if !defined(KERNEL_VERSION) /* not defined in 2.0.x kernel series */ +# define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +# endif /* ! KERNEL_VERSION */ + +/* doesn't seem to work on Linux */ +#ifndef SM_CONF_SETITIMER +# define SM_CONF_SETITIMER 0 +#endif /* SM_CONF_SETITIMER */ + +#ifndef SM_CONF_SHM +# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,19)) +# define SM_CONF_SHM 1 +# endif /* LINUX_VERSION_CODE */ +#endif /* SM_CONF_SHM */ + +#define SM_CONF_SYS_CDEFS_H 1 +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 2 +#endif /* SM_CONF_SEM */ +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_mpeix.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_mpeix.h new file mode 100644 index 0000000000..385f1f42df --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_mpeix.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_mpeix.h,v 1.2 2001/12/14 00:23:02 ca Exp $ + */ + +/* +** sm_os_mpeix.h -- platform definitions for HP MPE/iX +*/ + +#define SM_OS_NAME "mpeix" + +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ + +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 2 +#endif /* SM_CONF_SEM */ + +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ + +#define SM_CONF_SETITIMER 0 + +#ifndef SM_CONF_CANT_SETRGID +# define SM_CONF_CANT_SETRGID 1 +#endif /* SM_CONF_CANT_SETRGID */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_next.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_next.h new file mode 100644 index 0000000000..03f886ea03 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_next.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_next.h,v 1.7 2001/04/03 01:53:06 gshapiro Exp $ + */ + +/* +** Platform definitions for NeXT +*/ + +#define SM_OS_NAME "next" + +#define SM_CONF_SIGSETJMP 0 +#define SM_CONF_SSIZE_T 0 +#define SM_CONF_FORMAT_TEST 0 + +/* doesn't seem to work on NeXT 3.x */ +#define SM_DEAD(proto) proto +#define SM_UNUSED(decl) decl + +/* try LLONG tests in libsm/t-types.c? */ +#ifndef SM_CONF_TEST_LLONG +# define SM_CONF_TEST_LLONG 0 +#endif /* !SM_CONF_TEST_LLONG */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_openbsd.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_openbsd.h new file mode 100644 index 0000000000..1acf12d859 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_openbsd.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_openbsd.h,v 1.7 2000/12/05 19:00:47 dmoen Exp $ + */ + +/* +** sm_os_openbsd.h -- platform definitions for OpenBSD +** +** Note: this header file cannot be called OpenBSD.h +** because defines the macro OpenBSD. +*/ + +#define SM_OS_NAME "openbsd" + +#define SM_CONF_SYS_CDEFS_H 1 +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ +#ifndef SM_CONF_SEM +# define SM_CONF_SEM 1 +#endif /* SM_CONF_SEM */ +#ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +#endif /* SM_CONF_MSG */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_openunix.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_openunix.h new file mode 100644 index 0000000000..3e696bafe6 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_openunix.h @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_openunix.h,v 1.5 2001/11/11 16:32:00 ca Exp $ + */ + +#define SM_OS_NAME "openunix" + +/* needs alarm(), our sleep() otherwise hangs. */ +#define SM_CONF_SETITIMER 0 + +/* long long seems to work */ +#define SM_CONF_LONGLONG 1 + +/* don't use flock() in mail.local.c */ +#define LDA_USE_LOCKF 1 + +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_osf1.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_osf1.h new file mode 100644 index 0000000000..eef239cd5c --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_osf1.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_osf1.h,v 1.3 2001/10/09 23:12:13 ca Exp $ + */ + +/* +** platform definitions for Digital UNIX +*/ + +#define SM_OS_NAME "osf1" + +#define SM_CONF_SETITIMER 0 diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_sunos.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_sunos.h new file mode 100644 index 0000000000..9d20b18be6 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_sunos.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_sunos.h,v 1.14 2001/08/14 18:09:42 ca Exp $ + */ + +/* +** platform definitions for SunOS 4.0.3, SunOS 4.1.x and Solaris 2.x +*/ + +#define SM_OS_NAME "sunos" + +#ifdef SOLARIS +/* +** Solaris 2.x (aka SunOS 5.x) +** M4 config file is devtools/OS/SunOS.5.x, which defines the SOLARIS macro. +*/ + +# define SM_CONF_LONGLONG 1 +# ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +# endif /* SM_CONF_SHM */ +# ifndef SM_CONF_SEM +# define SM_CONF_SEM 2 +# endif /* SM_CONF_SEM */ +# ifndef SM_CONF_MSG +# define SM_CONF_MSG 1 +# endif /* SM_CONF_MSG */ + +#else /* SOLARIS */ + +/* +** SunOS 4.0.3 or 4.1.x +*/ + +# define SM_CONF_SSIZE_T 0 +# ifndef SM_CONF_BROKEN_SIZE_T +# define SM_CONF_BROKEN_SIZE_T 1 /* size_t is signed? */ +# endif /* SM_CONF_BROKEN_SIZE_T */ + +# ifndef SM_CONF_BROKEN_STRTOD +# define SM_CONF_BROKEN_STRTOD 1 +# endif /* ! SM_CONF_BROKEN_STRTOD */ + +/* has memchr() prototype? (if not: needs memory.h) */ +# ifndef SM_CONF_MEMCHR +# define SM_CONF_MEMCHR 0 +# endif /* ! SM_CONF_MEMCHR */ + +# ifdef SUNOS403 + +/* +** SunOS 4.0.3 +** M4 config file is devtools/OS/SunOS4.0, which defines the SUNOS403 macro. +*/ + +# else /* SUNOS403 */ + +/* +** SunOS 4.1.x +** M4 config file is devtools/OS/SunOS, which defines no macros. +*/ + +# endif /* SUNOS403 */ +#endif /* SOLARIS */ diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_ultrix.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_ultrix.h new file mode 100644 index 0000000000..1ae2db15b2 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_ultrix.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_ultrix.h,v 1.3 2001/10/09 23:12:13 ca Exp $ + */ + +/* +** platform definitions for Ultrix +*/ + +#define SM_OS_NAME "ultrix" + +#define SM_CONF_SSIZE_T 0 diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicos.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicos.h new file mode 100644 index 0000000000..57d6b72f86 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicos.h @@ -0,0 +1,19 @@ +/* + * Copyright (c) 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_unicos.h,v 1.1 2003/04/21 17:03:51 ca Exp $ + */ + +/* +** Cray UNICOS +*/ + +#define SM_OS_NAME "unicos" + +#define SM_CONF_LONGLONG 1 +#define SM_CONF_SETITIMER 0 diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicosmk.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicosmk.h new file mode 100644 index 0000000000..ce87c04e35 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicosmk.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_unicosmk.h,v 1.1 2003/04/21 17:03:51 ca Exp $ + */ + +/* +** Cray UNICOS/mk +*/ + +#define SM_OS_NAME "unicosmk" + +#define SM_CONF_LONGLONG 1 diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicosmp.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicosmp.h new file mode 100644 index 0000000000..b11350b78c --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unicosmp.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_unicosmp.h,v 1.1 2003/04/21 17:03:51 ca Exp $ + */ + +/* +** Cray UNICOS/mp +*/ + +#define SM_OS_NAME "unicosmp" + +#define SM_CONF_LONGLONG 1 +#define SM_CONF_SYS_CDEFS_H 1 +#define SM_CONF_MSG 1 +#define SM_CONF_SHM 1 +#define SM_CONF_SEM 1 diff --git a/contrib/sendmail-8.13.4/include/sm/os/sm_os_unixware.h b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unixware.h new file mode 100644 index 0000000000..6c7bfe62ad --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/os/sm_os_unixware.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2001, 2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sm_os_unixware.h,v 1.8 2002/10/24 18:04:54 ca Exp $ + */ + +#define SM_OS_NAME "unixware" + +#ifndef SM_CONF_LONGLONG +# if defined(__SCO_VERSION__) && __SCO_VERSION__ > 400000000L +# define SM_CONF_LONGLONG 1 +# define SM_CONF_TEST_LLONG 1 +# define SM_CONF_BROKEN_SIZE_T 0 +# endif /* defined(__SCO_VERSION__) && __SCO_VERSION__ > 400000000L */ +#endif /* !SM_CONF_LONGLONG */ + +/* try LLONG tests in libsm/t-types.c? */ +#ifndef SM_CONF_TEST_LLONG +# define SM_CONF_TEST_LLONG 0 +#endif /* !SM_CONF_TEST_LLONG */ + +/* needs alarm(), our sleep() otherwise hangs. */ +#define SM_CONF_SETITIMER 0 + +#ifndef SM_CONF_SHM +# define SM_CONF_SHM 1 +#endif /* SM_CONF_SHM */ + +/* size_t seems to be signed */ +#ifndef SM_CONF_BROKEN_SIZE_T +# define SM_CONF_BROKEN_SIZE_T 1 +#endif /* SM_CONF_BROKEN_SIZE_T */ + +/* don't use flock() in mail.local.c */ +#ifndef LDA_USE_LOCKF +# define LDA_USE_LOCKF 1 +#endif /* LDA_USE_LOCKF */ diff --git a/contrib/sendmail-8.13.4/include/sm/path.h b/contrib/sendmail-8.13.4/include/sm/path.h new file mode 100644 index 0000000000..29fc4ca466 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/path.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: path.h,v 1.6 2001/04/03 01:53:00 gshapiro Exp $ + */ + +/* +** Portable names for standard filesystem paths +** and macros for directories. +*/ + +#ifndef SM_PATH_H +# define SM_PATH_H + +# include + +# define SM_PATH_DEVNULL "/dev/null" +# define SM_IS_DIR_DELIM(c) ((c) == '/') +# define SM_FIRST_DIR_DELIM(s) strchr(s, '/') +# define SM_LAST_DIR_DELIM(s) strrchr(s, '/') + +/* Warning: this must be accessible as array */ +# define SM_IS_DIR_START(s) ((s)[0] == '/') + +# define sm_path_isdevnull(path) (strcmp(path, "/dev/null") == 0) + +#endif /* ! SM_PATH_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/rpool.h b/contrib/sendmail-8.13.4/include/sm/rpool.h new file mode 100644 index 0000000000..cdff4c7742 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/rpool.h @@ -0,0 +1,189 @@ +/* + * Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: rpool.h,v 1.16 2003/09/05 23:07:49 ca Exp $ + */ + +/* +** libsm resource pools +** See libsm/rpool.html for documentation. +*/ + +#ifndef SM_RPOOL_H +# define SM_RPOOL_H + +# include +# include +# include + +/* +** Each memory pool object consists of an SM_POOLLINK_T, +** followed by a platform specific amount of padding, +** followed by 'poolsize' bytes of pool data, +** where 'poolsize' is the value of rpool->sm_poolsize at the time +** the pool is allocated. +*/ + +typedef struct sm_poollink SM_POOLLINK_T; +struct sm_poollink +{ + SM_POOLLINK_T *sm_pnext; +}; + +typedef void (*SM_RPOOL_RFREE_T) __P((void *_rcontext)); + +typedef SM_RPOOL_RFREE_T *SM_RPOOL_ATTACH_T; + +typedef struct sm_resource SM_RESOURCE_T; +struct sm_resource +{ + /* + ** Function for freeing this resource. It may be NULL, + ** meaning that this resource has already been freed. + */ + + SM_RPOOL_RFREE_T sm_rfree; + void *sm_rcontext; /* resource data */ +}; + +# define SM_RLIST_MAX 511 + +typedef struct sm_rlist SM_RLIST_T; +struct sm_rlist +{ + SM_RESOURCE_T sm_rvec[SM_RLIST_MAX]; + SM_RLIST_T *sm_rnext; +}; + +typedef struct +{ + /* Points to SmRpoolMagic, or is NULL if rpool is freed. */ + const char *sm_magic; + + /* + ** If this rpool object has no parent, then sm_parentlink + ** is NULL. Otherwise, we set *sm_parentlink = NULL + ** when this rpool is freed, so that it isn't freed a + ** second time when the parent is freed. + */ + + SM_RPOOL_RFREE_T *sm_parentlink; + + /* + ** Memory pools + */ + + /* Size of the next pool to be allocated, not including the header. */ + size_t sm_poolsize; + + /* + ** If an sm_rpool_malloc_x request is too big to fit + ** in the current pool, and the request size > bigobjectsize, + ** then the object will be given its own malloc'ed block. + ** sm_bigobjectsize <= sm_poolsize. The maximum wasted space + ** at the end of a pool is maxpooledobjectsize - 1. + */ + + size_t sm_bigobjectsize; + + /* Points to next free byte in the current pool. */ + char *sm_poolptr; + + /* + ** Number of bytes available in the current pool. + ** Initially 0. Set to 0 by sm_rpool_free. + */ + + size_t sm_poolavail; + + /* Linked list of memory pools. Initially NULL. */ + SM_POOLLINK_T *sm_pools; + + /* + ** Resource lists + */ + + SM_RESOURCE_T *sm_rptr; /* Points to next free resource slot. */ + + /* + ** Number of available resource slots in current list. + ** Initially 0. Set to 0 by sm_rpool_free. + */ + + size_t sm_ravail; + + /* Linked list of resource lists. Initially NULL. */ + SM_RLIST_T *sm_rlists; + +#if _FFR_PERF_RPOOL + int sm_nbigblocks; + int sm_npools; +#endif /* _FFR_PERF_RPOOL */ + +} SM_RPOOL_T; + +extern SM_RPOOL_T * +sm_rpool_new_x __P(( + SM_RPOOL_T *_parent)); + +extern void +sm_rpool_free __P(( + SM_RPOOL_T *_rpool)); + +# if SM_HEAP_CHECK +extern void * +sm_rpool_malloc_tagged_x __P(( + SM_RPOOL_T *_rpool, + size_t _size, + char *_file, + int _line, + int _group)); +# define sm_rpool_malloc_x(rpool, size) \ + sm_rpool_malloc_tagged_x(rpool, size, __FILE__, __LINE__, SmHeapGroup) +extern void * +sm_rpool_malloc_tagged __P(( + SM_RPOOL_T *_rpool, + size_t _size, + char *_file, + int _line, + int _group)); +# define sm_rpool_malloc(rpool, size) \ + sm_rpool_malloc_tagged(rpool, size, __FILE__, __LINE__, SmHeapGroup) +# else /* SM_HEAP_CHECK */ +extern void * +sm_rpool_malloc_x __P(( + SM_RPOOL_T *_rpool, + size_t _size)); +extern void * +sm_rpool_malloc __P(( + SM_RPOOL_T *_rpool, + size_t _size)); +# endif /* SM_HEAP_CHECK */ + +#if DO_NOT_USE_STRCPY +extern char *sm_rpool_strdup_x __P((SM_RPOOL_T *rpool, const char *s)); +#else /* DO_NOT_USE_STRCPY */ +# define sm_rpool_strdup_x(rpool, str) \ + strcpy(sm_rpool_malloc_x(rpool, strlen(str) + 1), str) +#endif /* DO_NOT_USE_STRCPY */ + +extern SM_RPOOL_ATTACH_T +sm_rpool_attach_x __P(( + SM_RPOOL_T *_rpool, + SM_RPOOL_RFREE_T _rfree, + void *_rcontext)); + +# define sm_rpool_detach(a) ((void)(*(a) = NULL)) + +extern void +sm_rpool_setsizes __P(( + SM_RPOOL_T *_rpool, + size_t _poolsize, + size_t _bigobjectsize)); + +#endif /* ! SM_RPOOL_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/sem.h b/contrib/sendmail-8.13.4/include/sm/sem.h new file mode 100644 index 0000000000..7b691a43ad --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/sem.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2000-2001, 2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sem.h,v 1.9 2005/02/17 22:08:58 ca Exp $ + */ + +#ifndef SM_SEM_H +# define SM_SEM_H 1 + +#include + +/* key for semaphores */ +# define SM_SEM_KEY (41L) +# define SM_SEM_NO_ID (-1) +# define SM_NO_SEM(id) ((id) < 0) + +# if SM_CONF_SEM > 0 +# include +# include +# include + +# if SM_CONF_SEM == 2 +union semun +{ + int val; + struct semid_ds *buf; + ushort *array; +}; +# endif /* SM_CONF_SEM == 2 */ + +# ifndef SEM_A +# define SEM_A 0200 +# endif /* SEM_A */ +# ifndef SEM_R +# define SEM_R 0400 +# endif /* SEM_R */ + +# define SM_NSEM 1 + +extern int sm_sem_start __P((key_t, int, int, bool)); +extern int sm_sem_stop __P((int)); +extern int sm_sem_acq __P((int, int, int)); +extern int sm_sem_rel __P((int, int, int)); +extern int sm_sem_get __P((int, int)); + +# else /* SM_CONF_SEM > 0 */ +# define sm_sem_start(key, nsem, semflg, owner) 0 +# define sm_sem_stop(semid) 0 +# define sm_sem_acq(semid, semnum, timeout) 0 +# define sm_sem_rel(semid, semnum, timeout) 0 +# define sm_sem_get(semid, semnum) 0 +# endif /* SM_CONF_SEM > 0 */ + +#endif /* ! SM_SEM_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/setjmp.h b/contrib/sendmail-8.13.4/include/sm/setjmp.h new file mode 100644 index 0000000000..01bda0222a --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/setjmp.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: setjmp.h,v 1.3 2001/03/08 03:23:08 ca Exp $ + */ + +#ifndef SM_SETJMP_H +# define SM_SETJMP_H + +# include +# include + +/* +** sm_setjmp_sig is a setjmp that saves the signal mask. +** sm_setjmp_nosig is a setjmp that does *not* save the signal mask. +** SM_JMPBUF_T is used with both of the above macros. +** +** On most systems, these can be implemented using sigsetjmp. +** Some old BSD systems do not have sigsetjmp, but they do have +** setjmp and _setjmp, which are just as good. +*/ + +# if SM_CONF_SIGSETJMP + +typedef sigjmp_buf SM_JMPBUF_T; +# define sm_setjmp_sig(buf) sigsetjmp(buf, 1) +# define sm_setjmp_nosig(buf) sigsetjmp(buf, 0) +# define sm_longjmp_sig(buf, val) siglongjmp(buf, val) +# define sm_longjmp_nosig(buf, val) siglongjmp(buf, val) + +# else /* SM_CONF_SIGSETJMP */ + +typedef jmp_buf SM_JMPBUF_T; +# define sm_setjmp_sig(buf) setjmp(buf) +# define sm_longjmp_sig(buf, val) longjmp(buf, val) +# define sm_setjmp_nosig(buf) _setjmp(buf) +# define sm_longjmp_nosig(buf, val) _longjmp(buf, val) + +# endif /* SM_CONF_SIGSETJMP */ + +#endif /* ! SM_SETJMP_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/shm.h b/contrib/sendmail-8.13.4/include/sm/shm.h new file mode 100644 index 0000000000..61333a20b8 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/shm.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2000-2003, 2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: shm.h,v 1.11 2005/01/13 22:57:04 ca Exp $ + */ + +#ifndef SM_SHM_H +# define SM_SHM_H + +# if SM_CONF_SHM +# include +# include +# include + +/* # include "def.h" */ + +/* key for shared memory */ +# define SM_SHM_KEY ((key_t) 42) + +/* return value for failed shmget() */ +# define SM_SHM_NULL ((void *) -1) +# define SM_SHM_NO_ID (-2) + +extern void *sm_shmstart __P((key_t, int , int , int *, bool)); +extern int sm_shmstop __P((void *, int, bool)); +extern int sm_shmsetowner __P((int, uid_t, gid_t, mode_t)); + + +/* for those braindead systems... (e.g., SunOS 4) */ +# ifndef SHM_R +# define SHM_R 0400 +# endif /* SHM_R */ +# ifndef SHM_W +# define SHM_W 0200 +# endif /* SHM_W */ + +# endif /* SM_CONF_SHM */ +#endif /* ! SM_SHM_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/signal.h b/contrib/sendmail-8.13.4/include/sm/signal.h new file mode 100644 index 0000000000..3821deb2bb --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/signal.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: signal.h,v 1.16 2001/07/20 19:48:21 gshapiro Exp $ + */ + +/* +** SIGNAL.H -- libsm (and sendmail) signal facilities +** Extracted from sendmail/conf.h and focusing +** on signal configuration. +*/ + +#ifndef SM_SIGNAL_H +#define SM_SIGNAL_H 1 + +#include +#include +#include +#include +#include + +/* +** Critical signal sections +*/ + +#define PEND_SIGHUP 0x0001 +#define PEND_SIGINT 0x0002 +#define PEND_SIGTERM 0x0004 +#define PEND_SIGUSR1 0x0008 + +#define ENTER_CRITICAL() InCriticalSection++ + +#define LEAVE_CRITICAL() \ +do \ +{ \ + if (InCriticalSection > 0) \ + InCriticalSection--; \ +} while (0) + +#define CHECK_CRITICAL(sig) \ +do \ +{ \ + if (InCriticalSection > 0 && (sig) != 0) \ + { \ + pend_signal((sig)); \ + return SIGFUNC_RETURN; \ + } \ +} while (0) + +/* variables */ +extern unsigned int volatile InCriticalSection; /* >0 if in critical section */ +extern int volatile PendingSignal; /* pending signal to resend */ + +/* functions */ +extern void pend_signal __P((int)); + +/* reset signal in case System V semantics */ +#ifdef SYS5SIGNALS +# define FIX_SYSV_SIGNAL(sig, handler) \ +{ \ + if ((sig) != 0) \ + (void) sm_signal((sig), (handler)); \ +} +#else /* SYS5SIGNALS */ +# define FIX_SYSV_SIGNAL(sig, handler) { /* EMPTY */ } +#endif /* SYS5SIGNALS */ + +extern void sm_allsignals __P((bool)); +extern int sm_blocksignal __P((int)); +extern int sm_releasesignal __P((int)); +extern sigfunc_t sm_signal __P((int, sigfunc_t)); +extern SIGFUNC_DECL sm_signal_noop __P((int)); +#endif /* SM_SIGNAL_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/string.h b/contrib/sendmail-8.13.4/include/sm/string.h new file mode 100644 index 0000000000..7c96b8f6d4 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/string.h @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: string.h,v 1.38 2003/10/10 17:56:57 ca Exp $ + */ + +/* +** libsm string manipulation +*/ + +#ifndef SM_STRING_H +# define SM_STRING_H + +# include +# include +# include /* strlc{py,at}, strerror */ + +/* return number of bytes left in a buffer */ +#define SPACELEFT(buf, ptr) (sizeof buf - ((ptr) - buf)) + +extern int PRINTFLIKE(3, 4) +sm_snprintf __P((char *, size_t, const char *, ...)); + +extern bool +sm_match __P((const char *_str, const char *_pattern)); + +extern char * +sm_strdup __P((char *)); + +extern char * +sm_strndup_x __P((const char *_str, size_t _len)); + +#if DO_NOT_USE_STRCPY +/* for "normal" data (free'd before end of process) */ +extern char * +sm_strdup_x __P((const char *_str)); + +/* for data that is supposed to be persistent. */ +extern char * +sm_pstrdup_x __P((const char *_str)); + +extern char * +sm_strdup_tagged_x __P((const char *str, char *file, int line, int group)); + +#else /* DO_NOT_USE_STRCPY */ + +/* for "normal" data (free'd before end of process) */ +# define sm_strdup_x(str) strcpy(sm_malloc_x(strlen(str) + 1), str) + +/* for data that is supposed to be persistent. */ +# define sm_pstrdup_x(str) strcpy(sm_pmalloc_x(strlen(str) + 1), str) + +# define sm_strdup_tagged_x(str, file, line, group) \ + strcpy(sm_malloc_tagged_x(strlen(str) + 1, file, line, group), str) +#endif /* DO_NOT_USE_STRCPY */ + +extern char * +sm_stringf_x __P((const char *_fmt, ...)); + +extern char * +sm_vstringf_x __P((const char *_fmt, va_list _ap)); + +extern size_t +sm_strlcpy __P((char *_dst, const char *_src, ssize_t _len)); + +extern size_t +sm_strlcat __P((char *_dst, const char *_src, ssize_t _len)); + +extern size_t +sm_strlcat2 __P((char *, const char *, const char *, ssize_t)); + +extern size_t +#ifdef __STDC__ +sm_strlcpyn(char *dst, ssize_t len, int n, ...); +#else /* __STDC__ */ +sm_strlcpyn __P((char *, + ssize_t, + int, + va_dcl)); +#endif /* __STDC__ */ + +# if !HASSTRERROR +extern char * +strerror __P((int _errno)); +# endif /* !HASSTRERROR */ + +extern int +sm_strrevcmp __P((const char *, const char *)); + +extern int +sm_strrevcasecmp __P((const char *, const char *)); + +extern int +sm_strcasecmp __P((const char *, const char *)); + +extern int +sm_strncasecmp __P((const char *, const char *, size_t)); + +extern LONGLONG_T +sm_strtoll __P((const char *, char**, int)); + +extern ULONGLONG_T +sm_strtoull __P((const char *, char**, int)); + +extern void +stripquotes __P((char *)); + +#endif /* SM_STRING_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/sysexits.h b/contrib/sendmail-8.13.4/include/sm/sysexits.h new file mode 100644 index 0000000000..750def18a5 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/sysexits.h @@ -0,0 +1,109 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1987, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sysexits.h,v 1.5 2001/03/10 17:30:01 ca Exp $ + * @(#)sysexits.h 8.1 (Berkeley) 6/2/93 + */ + +#ifndef SM_SYSEXITS_H +# define SM_SYSEXITS_H + +# include + +/* +** SYSEXITS.H -- Exit status codes for system programs. +** +** This include file attempts to categorize possible error +** exit statuses for system programs, notably delivermail +** and the Berkeley network. +** +** Error numbers begin at EX__BASE to reduce the possibility of +** clashing with other exit statuses that random programs may +** already return. The meaning of the codes is approximately +** as follows: +** +** EX_USAGE -- The command was used incorrectly, e.g., with +** the wrong number of arguments, a bad flag, a bad +** syntax in a parameter, or whatever. +** EX_DATAERR -- The input data was incorrect in some way. +** This should only be used for user's data & not +** system files. +** EX_NOINPUT -- An input file (not a system file) did not +** exist or was not readable. This could also include +** errors like "No message" to a mailer (if it cared +** to catch it). +** EX_NOUSER -- The user specified did not exist. This might +** be used for mail addresses or remote logins. +** EX_NOHOST -- The host specified did not exist. This is used +** in mail addresses or network requests. +** EX_UNAVAILABLE -- A service is unavailable. This can occur +** if a support program or file does not exist. This +** can also be used as a catchall message when something +** you wanted to do doesn't work, but you don't know +** why. +** EX_SOFTWARE -- An internal software error has been detected. +** This should be limited to non-operating system related +** errors as possible. +** EX_OSERR -- An operating system error has been detected. +** This is intended to be used for such things as "cannot +** fork", "cannot create pipe", or the like. It includes +** things like getuid returning a user that does not +** exist in the passwd file. +** EX_OSFILE -- Some system file (e.g., /etc/passwd, /etc/utmp, +** etc.) does not exist, cannot be opened, or has some +** sort of error (e.g., syntax error). +** EX_CANTCREAT -- A (user specified) output file cannot be +** created. +** EX_IOERR -- An error occurred while doing I/O on some file. +** EX_TEMPFAIL -- temporary failure, indicating something that +** is not really an error. In sendmail, this means +** that a mailer (e.g.) could not create a connection, +** and the request should be reattempted later. +** EX_PROTOCOL -- the remote system returned something that +** was "not possible" during a protocol exchange. +** EX_NOPERM -- You did not have sufficient permission to +** perform the operation. This is not intended for +** file system problems, which should use NOINPUT or +** CANTCREAT, but rather for higher level permissions. +*/ + +# if SM_CONF_SYSEXITS_H +# include +# else /* SM_CONF_SYSEXITS_H */ + +# define EX_OK 0 /* successful termination */ + +# define EX__BASE 64 /* base value for error messages */ + +# define EX_USAGE 64 /* command line usage error */ +# define EX_DATAERR 65 /* data format error */ +# define EX_NOINPUT 66 /* cannot open input */ +# define EX_NOUSER 67 /* addressee unknown */ +# define EX_NOHOST 68 /* host name unknown */ +# define EX_UNAVAILABLE 69 /* service unavailable */ +# define EX_SOFTWARE 70 /* internal software error */ +# define EX_OSERR 71 /* system error (e.g., can't fork) */ +# define EX_OSFILE 72 /* critical OS file missing */ +# define EX_CANTCREAT 73 /* can't create (user) output file */ +# define EX_IOERR 74 /* input/output error */ +# define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */ +# define EX_PROTOCOL 76 /* remote error in protocol */ +# define EX_NOPERM 77 /* permission denied */ +# define EX_CONFIG 78 /* configuration error */ + +# define EX__MAX 78 /* maximum listed value */ + +# endif /* SM_CONF_SYSEXITS_H */ + +extern char *sm_strexit __P((int)); +extern char *sm_sysexitmsg __P((int)); +extern char *sm_sysexmsg __P((int)); + +#endif /* ! SM_SYSEXITS_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/test.h b/contrib/sendmail-8.13.4/include/sm/test.h new file mode 100644 index 0000000000..1d700d7fc6 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/test.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: test.h,v 1.6 2001/04/03 01:53:01 gshapiro Exp $ + */ + +/* +** Abstractions for writing a libsm test program. +*/ + +#ifndef SM_TEST_H +# define SM_TEST_H + +# include + +# if defined(__STDC__) || defined(__cplusplus) +# define SM_TEST(cond) sm_test(cond, #cond, __FILE__, __LINE__) +# else /* defined(__STDC__) || defined(__cplusplus) */ +# define SM_TEST(cond) sm_test(cond, "cond", __FILE__, __LINE__) +# endif /* defined(__STDC__) || defined(__cplusplus) */ + +extern int SmTestIndex; +extern int SmTestNumErrors; + +extern void +sm_test_begin __P(( + int _argc, + char **_argv, + char *_testname)); + +extern bool +sm_test __P(( + bool _success, + char *_expr, + char *_filename, + int _lineno)); + +extern int +sm_test_end __P((void)); + +#endif /* ! SM_TEST_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/types.h b/contrib/sendmail-8.13.4/include/sm/types.h new file mode 100644 index 0000000000..625a90e7b1 --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/types.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: types.h,v 1.13 2001/04/03 01:53:01 gshapiro Exp $ + */ + +/* +** This header file defines standard integral types. +** - It includes , and fixes portability problems that +** exist on older Unix platforms. +** - It defines LONGLONG_T and ULONGLONG_T, which are portable locutions +** for 'long long' and 'unsigned long long'. +*/ + +#ifndef SM_TYPES_H +# define SM_TYPES_H + +# include + +/* +** On BSD 4.2 systems, was not idempotent. +** This problem is circumvented by replacing all occurrences +** of with , which is idempotent. +*/ + +# include + +/* +** On some old Unix platforms, some of the standard types are missing. +** We fix that here. +*/ + +# if !SM_CONF_UID_GID +# define uid_t int +# define gid_t int +# endif /* !SM_CONF_UID_GID */ + +# if !SM_CONF_SSIZE_T +# define ssize_t int +# endif /* !SM_CONF_SSIZE_T */ + +/* +** Define LONGLONG_T and ULONGLONG_T, which are portable locutions +** for 'long long' and 'unsigned long long' from the C 1999 standard. +*/ + +# if SM_CONF_LONGLONG + typedef long long LONGLONG_T; + typedef unsigned long long ULONGLONG_T; +# else /* SM_CONF_LONGLONG */ +# if SM_CONF_QUAD_T + typedef quad_t LONGLONG_T; + typedef u_quad_t ULONGLONG_T; +# else /* SM_CONF_QUAD_T */ + typedef long LONGLONG_T; + typedef unsigned long ULONGLONG_T; +# endif /* SM_CONF_QUAD_T */ +# endif /* SM_CONF_LONGLONG */ + +#endif /* ! SM_TYPES_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/varargs.h b/contrib/sendmail-8.13.4/include/sm/varargs.h new file mode 100644 index 0000000000..7746e3a62d --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/varargs.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: varargs.h,v 1.8 2002/07/29 21:31:00 gshapiro Exp $ + */ + +/* +** libsm variable argument lists +*/ + +#ifndef SM_VARARGS_H +# define SM_VARARGS_H + +# if defined(__STDC__) || defined(__cplusplus) +# define SM_VA_STD 1 +# include +# define SM_VA_START(ap, f) va_start(ap, f) +# else /* defined(__STDC__) || defined(__cplusplus) */ +# define SM_VA_STD 0 +# include +# define SM_VA_START(ap, f) va_start(ap) +# endif /* defined(__STDC__) || defined(__cplusplus) */ + +# if defined(va_copy) +# define SM_VA_COPY(dst, src) va_copy((dst), (src)) +# elif defined(__va_copy) +# define SM_VA_COPY(dst, src) __va_copy((dst), (src)) +# else +# define SM_VA_COPY(dst, src) memcpy(&(dst), &(src), sizeof((dst))) +# endif + +/* +** The following macros are useless, but are provided for symmetry. +*/ + +# define SM_VA_LOCAL_DECL va_list ap; +# define SM_VA_ARG(ap, type) va_arg(ap, type) +# define SM_VA_END(ap) va_end(ap) + +#endif /* ! SM_VARARGS_H */ diff --git a/contrib/sendmail-8.13.4/include/sm/xtrap.h b/contrib/sendmail-8.13.4/include/sm/xtrap.h new file mode 100644 index 0000000000..2e7e71721b --- /dev/null +++ b/contrib/sendmail-8.13.4/include/sm/xtrap.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: xtrap.h,v 1.7 2001/04/03 01:53:01 gshapiro Exp $ + */ + +/* +** scaffolding for testing exception handler code +*/ + +#ifndef SM_XTRAP_H +# define SM_XTRAP_H + +# include +# include + +extern SM_ATOMIC_UINT_T SmXtrapCount; +extern SM_DEBUG_T SmXtrapDebug; +extern SM_DEBUG_T SmXtrapReport; + +# if SM_DEBUG_CHECK +# define sm_xtrap_check() (++SmXtrapCount == sm_debug_level(&SmXtrapDebug)) +# else /* SM_DEBUG_CHECK */ +# define sm_xtrap_check() (0) +# endif /* SM_DEBUG_CHECK */ + +# define sm_xtrap_raise_x(exc) \ + if (sm_xtrap_check()) \ + { \ + sm_exc_raise_x(exc); \ + } else + +#endif /* ! SM_XTRAP_H */ diff --git a/contrib/sendmail-8.13.4/libmilter/Makefile b/contrib/sendmail-8.13.4/libmilter/Makefile new file mode 100644 index 0000000000..04277eb6e2 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.1 1999/11/04 00:03:40 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/libmilter/Makefile.m4 b/contrib/sendmail-8.13.4/libmilter/Makefile.m4 new file mode 100644 index 0000000000..5bc1a92a4a --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/Makefile.m4 @@ -0,0 +1,40 @@ +dnl $Id: Makefile.m4,v 8.31 2002/06/21 22:01:31 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +dnl only required for compilation of EXTRAS +define(`confREQUIRE_LIBSM', `true') +define(`confMT', `true') + +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`library', `libmilter') +define(`bldINSTALLABLE', `true') +define(`LIBMILTER_EXTRAS', `errstring.c strl.c') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL -Dsm_snprintf=snprintf') +define(`bldSOURCES', `main.c engine.c listener.c handler.c comm.c smfi.c signal.c sm_gethost.c LIBMILTER_EXTRAS ') +define(`confBEFORE', `LIBMILTER_EXTRAS') +bldPUSH_INSTALL_TARGET(`install-mfapi') +bldPRODUCT_END + +PUSHDIVERT(3) +errstring.c: + ${LN} ${LNOPTS} ${SRCDIR}/libsm/errstring.c . + +strl.c: + ${LN} ${LNOPTS} ${SRCDIR}/libsm/strl.c . +POPDIVERT + + +divert(bldTARGETS_SECTION) +# Install the API header files +MFAPI= ${SRCDIR}/inc`'lude/libmilter/mfapi.h +MFDEF= ${SRCDIR}/inc`'lude/libmilter/mfdef.h +install-mfapi: ${MFAPI} + if [ ! -d ${DESTDIR}${INCLUDEDIR}/libmilter ]; then mkdir -p ${DESTDIR}${INCLUDEDIR}/libmilter; else :; fi + ${INSTALL} -c -o ${INCOWN} -g ${INCGRP} -m ${INCMODE} ${MFAPI} ${DESTDIR}${INCLUDEDIR}/libmilter/mfapi.h + ${INSTALL} -c -o ${INCOWN} -g ${INCGRP} -m ${INCMODE} ${MFDEF} ${DESTDIR}${INCLUDEDIR}/libmilter/mfdef.h +divert(0) + +bldFINISH diff --git a/contrib/sendmail-8.13.4/libmilter/README b/contrib/sendmail-8.13.4/libmilter/README new file mode 100644 index 0000000000..ec1f84b7eb --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/README @@ -0,0 +1,469 @@ +This directory contains the source files for libmilter. + +The sendmail Mail Filter API (Milter) is designed to allow third-party +programs access to mail messages as they are being processed in order to +filter meta-information and content. + +This README file describes the steps needed to compile and run a filter, +through reference to a sample filter which is attached at the end of this +file. It is necessary to first build libmilter.a, which can be done by +issuing the './Build' command in SRCDIR/libmilter . + +Starting with 8.13 sendmail is compiled by default with support for +the milter API. + ++----------------+ +| SECURITY HINTS | ++----------------+ + +Note: we strongly recommend not to run any milter as root. Libmilter +does not need root access to communicate with sendmail. It is a +good security practice to run a program only with root privileges +if really necessary. A milter should probably check first whether +it runs as root and refuse to start in that case. libmilter will +not unlink a socket when running as root. + ++----------------------+ +| CONFIGURATION MACROS | ++----------------------+ + +Libmilter uses a set of C preprocessor macros to specify platform specific +features of the C compiler and standard C libraries. + +SM_CONF_POLL + Set to 1 if poll(2) should be used instead of select(2). + ++-------------------+ +| BUILDING A FILTER | ++-------------------+ + +The following command presumes that the sample code from the end of this +README is saved to a file named 'sample.c' and built in the local platform- +specific build subdirectory (SRCDIR/obj.*/libmilter). + + cc -I../../include -o sample sample.c libmilter.a ../libsm/libsm.a -pthread + +It is recommended that you build your filters in a location outside of +the sendmail source tree. Modify the compiler include references (-I) +and the library locations accordingly. Also, some operating systems may +require additional libraries. For example, SunOS 5.X requires '-lresolv +-lsocket -lnsl'. Depending on your operating system you may need a library +instead of the option -pthread, e.g., -lpthread. + +Filters must be thread-safe! Many operating systems now provide support for +POSIX threads in the standard C libraries. The compiler flag to link with +threading support differs according to the compiler and linker used. Check +the Makefile in your appropriate obj.*/libmilter build subdirectory if you +are unsure of the local flag used. + +Note that since filters use threads, it may be necessary to alter per +process limits in your filter. For example, you might look at using +setrlimit() to increase the number of open file descriptors if your filter +is going to be busy. + + ++----------------------------------------+ +| SPECIFYING FILTERS IN SENDMAIL CONFIGS | ++----------------------------------------+ + +Filters are specified with a key letter ``X'' (for ``eXternal''). + +For example: + + Xfilter1, S=local:/var/run/f1.sock, F=R + Xfilter2, S=inet6:999@localhost, F=T, T=C:10m;S:1s;R:1s;E:5m + Xfilter3, S=inet:3333@localhost + +specifies three filters. Filters can be specified in your .mc file using +the following: + + INPUT_MAIL_FILTER(`filter1', `S=local:/var/run/f1.sock, F=R') + INPUT_MAIL_FILTER(`filter2', `S=inet6:999@localhost, F=T, T=C:10m;S:1s;R:1s;E:5m') + INPUT_MAIL_FILTER(`filter3', `S=inet:3333@localhost') + +The first attaches to a Unix-domain socket in the /var/run directory; the +second uses an IPv6 socket on port 999 of localhost, and the third uses an +IPv4 socket on port 3333 of localhost. The current flags (F=) are: + + R Reject connection if filter unavailable + T Temporary fail connection if filter unavailable + +If neither F=R nor F=T is specified, the message is passed through sendmail +in case of filter errors as if the failing filters were not present. + +Finally, you can override the default timeouts used by sendmail when +talking to the filters using the T= equate. There are four fields inside +of the T= equate: + +Letter Meaning + C Timeout for connecting to a filter (if 0, use system timeout) + S Timeout for sending information from the MTA to a filter + R Timeout for reading reply from the filter + E Overall timeout between sending end-of-message to filter + and waiting for the final acknowledgment + +Note the separator between each is a ';' as a ',' already separates equates +and therefore can't separate timeouts. The default values (if not set in +the config) are: + +T=C:5m;S:10s;R:10s;E:5m + +where 's' is seconds and 'm' is minutes. + +Which filters are invoked and their sequencing is handled by the +InputMailFilters option. Note: if InputMailFilters is not defined no filters +will be used. + + O InputMailFilters=filter1, filter2, filter3 + +This is is set automatically according to the order of the +INPUT_MAIL_FILTER commands in your .mc file. Alternatively, you can +reset its value by setting confINPUT_MAIL_FILTERS in your .mc file. +This options causes the three filters to be called in the same order +they were specified. It allows for possible future filtering on output +(although this is not intended for this release). + +Also note that a filter can be defined without adding it to the input +filter list by using MAIL_FILTER() instead of INPUT_MAIL_FILTER() in your +.mc file. + +To test sendmail with the sample filter, the following might be added (in +the appropriate locations) to your .mc file: + + INPUT_MAIL_FILTER(`sample', `S=local:/var/run/f1.sock') + + ++------------------+ +| TESTING A FILTER | ++------------------+ + +Once you have compiled a filter, modified your .mc file and restarted +the sendmail process, you will want to test that the filter performs as +intended. + +The sample filter takes one argument -p, which indicates the local port +on which to create a listening socket for the filter. Maintaining +consistency with the suggested options for sendmail.cf, this would be the +UNIX domain socket located in /var/run/f1.sock. + + % ./sample -p local:/var/run/f1.sock + +If the sample filter returns immediately to a command line, there was either +an error with your command or a problem creating the specified socket. +Further logging can be captured through the syslogd daemon. Using the +'netstat -a' command can ensure that your filter process is listening on +the appropriate local socket. + +Email messages must be injected via SMTP to be filtered. There are two +simple means of doing this; either using the 'sendmail -bs' command, or +by telnetting to port 25 of the machine configured for milter. Once +connected via one of these options, the session can be continued through +the use of standard SMTP commands. + +% sendmail -bs +220 test.sendmail.com ESMTP Sendmail 8.11.0/8.11.0; Tue, 10 Nov 1970 13:05:23 -0500 (EST) +HELO localhost +250 test.sendmail.com Hello testy@localhost, pleased to meet you +MAIL From: +250 2.1.0 ... Sender ok +RCPT To: +250 2.1.5 ... Recipient ok +DATA +354 Enter mail, end with "." on a line by itself +From: testy@test.sendmail.com +To: root@test.sendmail.com +Subject: testing sample filter + +Sample body +. +250 2.0.0 dB73Zxi25236 Message accepted for delivery +QUIT +221 2.0.0 test.sendmail.com closing connection + +In the above example, the lines beginning with numbers are output by the +mail server, and those without are your input. If everything is working +properly, you will find a file in /tmp by the name of msg.XXXXXXXX (where +the Xs represent any combination of letters and numbers). This file should +contain the message body and headers from the test email entered above. + +If the sample filter did not log your test email, there are a number of +methods to narrow down the source of the problem. Check your system +logs written by syslogd and see if there are any pertinent lines. You +may need to reconfigure syslogd to capture all relevant data. Additionally, +the logging level of sendmail can be raised with the LogLevel option. +See the sendmail(8) manual page for more information. + + ++--------------+ +| REQUIREMENTS | ++--------------+ + +libmilter requires pthread support in the operating system. Moreover, it +requires that the library functions it uses are thread safe; which is true +for the operating systems libmilter has been developed and tested on. On +some operating systems this requires special compile time options (e.g., +not just -pthread). libmilter is currently known to work on (modulo problems +in the pthread support of some specific versions): + +FreeBSD 3.x, 4.x +SunOS 5.x (x >= 5) +AIX 4.3.x +HP UX 11.x +Linux (recent versions/distributions) + +libmilter is currently not supported on: + +IRIX 6.x +Ultrix + +Feedback about problems (and possible fixes) is welcome. + ++--------------------------+ +| SOURCE FOR SAMPLE FILTER | ++--------------------------+ + +Note that the filter below may not be thread safe on some operating +systems. You should check your system man pages for the functions used +below to verify the functions are thread safe. + +/* A trivial filter that logs all email to a file. */ + +#include +#include +#include +#include +#include +#include + +#include "libmilter/mfapi.h" + +#ifndef true +typedef int bool; +# define false 0 +# define true 1 +#endif /* ! true */ + +struct mlfiPriv +{ + char *mlfi_fname; + FILE *mlfi_fp; +}; + +#define MLFIPRIV ((struct mlfiPriv *) smfi_getpriv(ctx)) + +extern sfsistat mlfi_cleanup(SMFICTX *, bool); + +sfsistat +mlfi_envfrom(ctx, envfrom) + SMFICTX *ctx; + char **envfrom; +{ + struct mlfiPriv *priv; + int fd = -1; + + /* allocate some private memory */ + priv = malloc(sizeof *priv); + if (priv == NULL) + { + /* can't accept this message right now */ + return SMFIS_TEMPFAIL; + } + memset(priv, '\0', sizeof *priv); + + /* open a file to store this message */ + priv->mlfi_fname = strdup("/tmp/msg.XXXXXXXX"); + if (priv->mlfi_fname == NULL) + { + free(priv); + return SMFIS_TEMPFAIL; + } + if ((fd = mkstemp(priv->mlfi_fname)) < 0 || + (priv->mlfi_fp = fdopen(fd, "w+")) == NULL) + { + if (fd >= 0) + (void) close(fd); + free(priv->mlfi_fname); + free(priv); + return SMFIS_TEMPFAIL; + } + + /* save the private data */ + smfi_setpriv(ctx, priv); + + /* continue processing */ + return SMFIS_CONTINUE; +} + +sfsistat +mlfi_header(ctx, headerf, headerv) + SMFICTX *ctx; + char *headerf; + char *headerv; +{ + /* write the header to the log file */ + fprintf(MLFIPRIV->mlfi_fp, "%s: %s\r\n", headerf, headerv); + + /* continue processing */ + return SMFIS_CONTINUE; +} + +sfsistat +mlfi_eoh(ctx) + SMFICTX *ctx; +{ + /* output the blank line between the header and the body */ + fprintf(MLFIPRIV->mlfi_fp, "\r\n"); + + /* continue processing */ + return SMFIS_CONTINUE; +} + +sfsistat +mlfi_body(ctx, bodyp, bodylen) + SMFICTX *ctx; + u_char *bodyp; + size_t bodylen; +{ + /* output body block to log file */ + if (fwrite(bodyp, bodylen, 1, MLFIPRIV->mlfi_fp) <= 0) + { + /* write failed */ + (void) mlfi_cleanup(ctx, false); + return SMFIS_TEMPFAIL; + } + + /* continue processing */ + return SMFIS_CONTINUE; +} + +sfsistat +mlfi_eom(ctx) + SMFICTX *ctx; +{ + return mlfi_cleanup(ctx, true); +} + +sfsistat +mlfi_close(ctx) + SMFICTX *ctx; +{ + return SMFIS_ACCEPT; +} + +sfsistat +mlfi_abort(ctx) + SMFICTX *ctx; +{ + return mlfi_cleanup(ctx, false); +} + +sfsistat +mlfi_cleanup(ctx, ok) + SMFICTX *ctx; + bool ok; +{ + sfsistat rstat = SMFIS_CONTINUE; + struct mlfiPriv *priv = MLFIPRIV; + char *p; + char host[512]; + char hbuf[1024]; + + if (priv == NULL) + return rstat; + + /* close the archive file */ + if (priv->mlfi_fp != NULL && fclose(priv->mlfi_fp) == EOF) + { + /* failed; we have to wait until later */ + rstat = SMFIS_TEMPFAIL; + (void) unlink(priv->mlfi_fname); + } + else if (ok) + { + /* add a header to the message announcing our presence */ + if (gethostname(host, sizeof host) < 0) + snprintf(host, sizeof host, "localhost"); + p = strrchr(priv->mlfi_fname, '/'); + if (p == NULL) + p = priv->mlfi_fname; + else + p++; + snprintf(hbuf, sizeof hbuf, "%s@%s", p, host); + smfi_addheader(ctx, "X-Archived", hbuf); + } + else + { + /* message was aborted -- delete the archive file */ + (void) unlink(priv->mlfi_fname); + } + + /* release private memory */ + free(priv->mlfi_fname); + free(priv); + smfi_setpriv(ctx, NULL); + + /* return status */ + return rstat; +} + +struct smfiDesc smfilter = +{ + "SampleFilter", /* filter name */ + SMFI_VERSION, /* version code -- do not change */ + SMFIF_ADDHDRS, /* flags */ + NULL, /* connection info filter */ + NULL, /* SMTP HELO command filter */ + mlfi_envfrom, /* envelope sender filter */ + NULL, /* envelope recipient filter */ + mlfi_header, /* header filter */ + mlfi_eoh, /* end of header */ + mlfi_body, /* body block filter */ + mlfi_eom, /* end of message */ + mlfi_abort, /* message aborted */ + mlfi_close /* connection cleanup */ +}; + + +int +main(argc, argv) + int argc; + char *argv[]; +{ + bool setconn = false; + int c; + const char *args = "p:"; + + /* Process command line options */ + while ((c = getopt(argc, argv, args)) != -1) + { + switch (c) + { + case 'p': + if (optarg == NULL || *optarg == '\0') + { + (void) fprintf(stderr, "Illegal conn: %s\n", + optarg); + exit(EX_USAGE); + } + (void) smfi_setconn(optarg); + setconn = true; + break; + + } + } + if (!setconn) + { + fprintf(stderr, "%s: Missing required -p argument\n", argv[0]); + exit(EX_USAGE); + } + if (smfi_register(smfilter) == MI_FAILURE) + { + fprintf(stderr, "smfi_register failed\n"); + exit(EX_UNAVAILABLE); + } + return smfi_main(); +} + +/* eof */ + +$Revision: 8.40 $, Last updated $Date: 2003/12/11 18:14:34 $ diff --git a/contrib/sendmail-8.13.4/libmilter/comm.c b/contrib/sendmail-8.13.4/libmilter/comm.c new file mode 100644 index 0000000000..accb956148 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/comm.c @@ -0,0 +1,360 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: comm.c,v 8.66 2004/08/20 20:38:35 ca Exp $") + +#include "libmilter.h" +#include +#include + +static ssize_t retry_writev __P((socket_t, struct iovec *, int, struct timeval *)); +static size_t Maxdatasize = MILTER_MAX_DATA_SIZE; + +#if _FFR_MAXDATASIZE +/* +** SMFI_SETMAXDATASIZE -- set limit for milter data read/write. +** +** Parameters: +** sz -- new limit. +** +** Returns: +** old limit +*/ + +size_t +smfi_setmaxdatasize(sz) + size_t sz; +{ + size_t old; + + old = Maxdatasize; + Maxdatasize = sz; + return old; +} +#endif /* _FFR_MAXDATASIZE */ + +/* +** MI_RD_CMD -- read a command +** +** Parameters: +** sd -- socket descriptor +** timeout -- maximum time to wait +** cmd -- single character command read from sd +** rlen -- pointer to length of result +** name -- name of milter +** +** Returns: +** buffer with rest of command +** (malloc()ed here, should be free()d) +** hack: encode error in cmd +*/ + +char * +mi_rd_cmd(sd, timeout, cmd, rlen, name) + socket_t sd; + struct timeval *timeout; + char *cmd; + size_t *rlen; + char *name; +{ + ssize_t len; + mi_int32 expl; + ssize_t i; + FD_RD_VAR(rds, excs); + int ret; + int save_errno; + char *buf; + char data[MILTER_LEN_BYTES + 1]; + + *cmd = '\0'; + *rlen = 0; + + i = 0; + for (;;) + { + FD_RD_INIT(sd, rds, excs); + ret = FD_RD_READY(sd, rds, excs, timeout); + if (ret == 0) + break; + else if (ret < 0) + { + if (errno == EINTR) + continue; + break; + } + if (FD_IS_RD_EXC(sd, rds, excs)) + { + *cmd = SMFIC_SELECT; + return NULL; + } + + len = MI_SOCK_READ(sd, data + i, sizeof data - i); + if (MI_SOCK_READ_FAIL(len)) + { + smi_log(SMI_LOG_ERR, + "%s, mi_rd_cmd: read returned %d: %s", + name, (int) len, sm_errstring(errno)); + *cmd = SMFIC_RECVERR; + return NULL; + } + if (len == 0) + { + *cmd = SMFIC_EOF; + return NULL; + } + if (len >= (ssize_t) sizeof data - i) + break; + i += len; + } + if (ret == 0) + { + *cmd = SMFIC_TIMEOUT; + return NULL; + } + else if (ret < 0) + { + smi_log(SMI_LOG_ERR, + "%s: mi_rd_cmd: select returned %d: %s", + name, ret, sm_errstring(errno)); + *cmd = SMFIC_RECVERR; + return NULL; + } + + *cmd = data[MILTER_LEN_BYTES]; + data[MILTER_LEN_BYTES] = '\0'; + (void) memcpy((void *) &expl, (void *) &(data[0]), MILTER_LEN_BYTES); + expl = ntohl(expl) - 1; + if (expl <= 0) + return NULL; + if (expl > Maxdatasize) + { + *cmd = SMFIC_TOOBIG; + return NULL; + } +#if _FFR_ADD_NULL + buf = malloc(expl + 1); +#else /* _FFR_ADD_NULL */ + buf = malloc(expl); +#endif /* _FFR_ADD_NULL */ + if (buf == NULL) + { + *cmd = SMFIC_MALLOC; + return NULL; + } + + i = 0; + for (;;) + { + FD_RD_INIT(sd, rds, excs); + ret = FD_RD_READY(sd, rds, excs, timeout); + if (ret == 0) + break; + else if (ret < 0) + { + if (errno == EINTR) + continue; + break; + } + if (FD_IS_RD_EXC(sd, rds, excs)) + { + *cmd = SMFIC_SELECT; + free(buf); + return NULL; + } + len = MI_SOCK_READ(sd, buf + i, expl - i); + if (MI_SOCK_READ_FAIL(len)) + { + smi_log(SMI_LOG_ERR, + "%s: mi_rd_cmd: read returned %d: %s", + name, (int) len, sm_errstring(errno)); + ret = -1; + break; + } + if (len == 0) + { + *cmd = SMFIC_EOF; + free(buf); + return NULL; + } + if (len > expl - i) + { + *cmd = SMFIC_RECVERR; + free(buf); + return NULL; + } + if (len >= expl - i) + { + *rlen = expl; +#if _FFR_ADD_NULL + /* makes life simpler for common string routines */ + buf[expl] = '\0'; +#endif /* _FFR_ADD_NULL */ + return buf; + } + i += len; + } + + save_errno = errno; + free(buf); + + /* select returned 0 (timeout) or < 0 (error) */ + if (ret == 0) + { + *cmd = SMFIC_TIMEOUT; + return NULL; + } + if (ret < 0) + { + smi_log(SMI_LOG_ERR, + "%s: mi_rd_cmd: select returned %d: %s", + name, ret, sm_errstring(save_errno)); + *cmd = SMFIC_RECVERR; + return NULL; + } + *cmd = SMFIC_UNKNERR; + return NULL; +} + +/* +** RETRY_WRITEV -- Keep calling the writev() system call +** until all the data is written out or an error occurs. +** +** Parameters: +** fd -- socket descriptor +** iov -- io vector +** iovcnt -- number of elements in io vector +** must NOT exceed UIO_MAXIOV. +** timeout -- maximum time to wait +** +** Returns: +** success: number of bytes written +** otherwise: MI_FAILURE +*/ + +static ssize_t +retry_writev(fd, iov, iovcnt, timeout) + socket_t fd; + struct iovec *iov; + int iovcnt; + struct timeval *timeout; +{ + int i; + ssize_t n, written; + FD_WR_VAR(wrs); + + written = 0; + for (;;) + { + while (iovcnt > 0 && iov[0].iov_len == 0) + { + iov++; + iovcnt--; + } + if (iovcnt <= 0) + return written; + + /* + ** We don't care much about the timeout here, + ** it's very long anyway; correct solution would be + ** to take the time before the loop and reduce the + ** timeout after each invocation. + ** FD_SETSIZE is checked when socket is created. + */ + + FD_WR_INIT(fd, wrs); + i = FD_WR_READY(fd, wrs, timeout); + if (i == 0) + return MI_FAILURE; + if (i < 0) + { + if (errno == EINTR || errno == EAGAIN) + continue; + return MI_FAILURE; + } + n = writev(fd, iov, iovcnt); + if (n == -1) + { + if (errno == EINTR || errno == EAGAIN) + continue; + return MI_FAILURE; + } + + written += n; + for (i = 0; i < iovcnt; i++) + { + if (iov[i].iov_len > (unsigned int) n) + { + iov[i].iov_base = (char *)iov[i].iov_base + n; + iov[i].iov_len -= (unsigned int) n; + break; + } + n -= (int) iov[i].iov_len; + iov[i].iov_len = 0; + } + if (i == iovcnt) + return written; + } +} + +/* +** MI_WR_CMD -- write a cmd to sd +** +** Parameters: +** sd -- socket descriptor +** timeout -- maximum time to wait +** cmd -- single character command to write +** buf -- buffer with further data +** len -- length of buffer (without cmd!) +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +mi_wr_cmd(sd, timeout, cmd, buf, len) + socket_t sd; + struct timeval *timeout; + int cmd; + char *buf; + size_t len; +{ + size_t sl, i; + ssize_t l; + mi_int32 nl; + int iovcnt; + struct iovec iov[2]; + char data[MILTER_LEN_BYTES + 1]; + + if (len > Maxdatasize || (len > 0 && buf == NULL)) + return MI_FAILURE; + + nl = htonl(len + 1); /* add 1 for the cmd char */ + (void) memcpy(data, (void *) &nl, MILTER_LEN_BYTES); + data[MILTER_LEN_BYTES] = (char) cmd; + i = 0; + sl = MILTER_LEN_BYTES + 1; + + /* set up the vector for the size / command */ + iov[0].iov_base = (void *) data; + iov[0].iov_len = sl; + iovcnt = 1; + if (len >= 0 && buf != NULL) + { + iov[1].iov_base = (void *) buf; + iov[1].iov_len = len; + iovcnt = 2; + } + + l = retry_writev(sd, iov, iovcnt, timeout); + if (l == MI_FAILURE) + return MI_FAILURE; + return MI_SUCCESS; +} diff --git a/contrib/sendmail-8.13.4/libmilter/docs/api.html b/contrib/sendmail-8.13.4/libmilter/docs/api.html new file mode 100644 index 0000000000..23c4de41b4 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/api.html @@ -0,0 +1,233 @@ + +Milter API + + +

Milter API

+ +

Contents

+
    +
  • Library Control Functions +
  • Data Access Functions +
  • Message Modification Functions +
  • Callbacks +
+ +

Library Control Functions

+ +Before handing control to libmilter (by calling smfi_main), a filter may call the following +functions to set libmilter parameters. In particular, the filter must +call smfi_register to register its +callbacks. Each function will return either MI_SUCCESS or MI_FAILURE to +indicate the status of the operation. +

+None of these functions communicate with the MTA. All alter the +library's state, some of which is communicated to the MTA inside smfi_main. +

+ + + + + + + + + + + + + + + + + + +
FunctionDescription
smfi_opensocketTry to create the interface socket.
smfi_registerRegister a filter.
smfi_setconnSpecify socket to use.
smfi_settimeoutSet timeout.
smfi_setbacklogDefine the incoming listen(2) queue size.
smfi_setdbgSet the milter library debugging (tracing) level.
smfi_stopCause an orderly shutdown.
smfi_mainHand control to libmilter.
+ +

Data Access Functions

+ +The following functions may be called from within the filter-defined callbacks +to access information about the current connection or message. +

+ + + + + + + + + + + +
FunctionDescription
smfi_getsymvalReturn the value +of a symbol.
smfi_getprivGet the private data +pointer.
smfi_setprivSet the private data +pointer.
smfi_setreplySet the specific +reply code to be used.
smfi_setmlreplySet the +specific multi-line reply to be used.
+ +

Message Modification Functions

+ +The following functions change a message's contents and attributes. +They may only be called in xxfi_eom. +All of these functions may invoke additional communication with the MTA. +They will return either MI_SUCCESS or MI_FAILURE to indicate the status of +the operation. + +

+A filter must have set the appropriate flag (listed below) in the +description passed to smfi_register +to call any message modification function. Failure to do so will +cause the MTA to treat a call to the function as a failure of the +filter, terminating its connection. + +

+Note that the status returned indicates only whether or not the +filter's message was successfully sent to the MTA, not whether or not +the MTA performed the requested operation. For example, smfi_addheader, when called with an +illegal header name, will return MI_SUCCESS even though the MTA may +later refuse to add the illegal header. +

+ + + + + + + + + + + + + +
FunctionDescriptionSMFIF_* flag
smfi_addheaderAdd a header to +the message.SMFIF_ADDHDRS
smfi_chgheaderChange or delete a header.SMFIF_CHGHDRS
smfi_insheaderInsert a +header into the message.SMFIF_ADDHDRS
smfi_addrcptAdd a recipient to +the envelope.SMFIF_ADDRCPT
smfi_delrcptDelete a recipient +from the envelope.SMFIF_DELRCPT
smfi_replacebodyReplace the +body of the message.SMFIF_CHGBODY
+ +

Other Message Handling Functions

+ +The following functions provide special case handling instructions for +milter or the MTA, without altering the content or status of the message. +They too may only be called in xxfi_eom. +All of these functions may invoke additional communication with the MTA. +They will return either MI_SUCCESS or MI_FAILURE to indicate the status of +the operation. + +

+Note that the status returned indicates only whether or not the +filter's message was successfully sent to the MTA, not whether or not +the MTA performed the requested operation. + +

+ + + + + +
FunctionDescription
smfi_progressReport operation in progress.
smfi_quarantineQuarantine a message.
+ +

Callbacks

+ +The filter should implement one or more of the following callbacks, +which are registered via smfi_register: +

+ + + + + + + + + + + + + + + + + + + + + + +
FunctionDescription
xxfi_connectconnection info
xxfi_heloSMTP HELO/EHLO command
xxfi_envfromenvelope sender
xxfi_envrcptenvelope recipient
xxfi_headerheader
xxfi_eohend of header
xxfi_bodybody block
xxfi_eomend of message
xxfi_abortmessage aborted
xxfi_closeconnection cleanup
+ +

+The above callbacks should all return one of the following return values, +having the indicated meanings. Any return other than one of the below +values constitutes an error, and will cause sendmail to terminate its +connection to the offending filter. + +

Milter distinguishes between recipient-, +message-, and connection-oriented routines. Recipient-oriented +callbacks may affect the processing of a single message recipient; +message-oriented callbacks, a single message; connection-oriented +callbacks, an entire connection (during which multiple messages may be +delivered to multiple sets of recipients). +xxfi_envrcpt is recipient-oriented. +xxfi_connect, +xxfi_helo and +xxfi_close are connection-oriented. All +other callbacks are message-oriented. + +

+ + + + + + + + + + + + + + + + + + + + + + +
Return valueDescription
SMFIS_CONTINUEContinue processing the current connection, message, or recipient. +
SMFIS_REJECTFor a connection-oriented routine, reject this connection; call xxfi_close.
+ For a message-oriented routine (except + xxfi_eom or + xxfi_abort), reject this message.
+ For a recipient-oriented routine, reject the current recipient (but continue processing the current message). +
SMFIS_DISCARDFor a message- or recipient-oriented routine, accept this message, but silently discard it.
+ SMFIS_DISCARD should not be returned by a connection-oriented routine. +
SMFIS_ACCEPTFor a connection-oriented routine, accept this connection without further filter processing; call xxfi_close.
+ For a message- or recipient-oriented routine, accept this message without further filtering.
+
SMFIS_TEMPFAILReturn a temporary failure, i.e., the corresponding SMTP command will return an appropriate 4xx status code. + For a message-oriented routine (except xxfi_envfrom), fail for this message.
+ For a connection-oriented routine, fail for this connection; call xxfi_close.
+ For a recipient-oriented routine, only fail for the current recipient; continue message processing. +
+ +

+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/design.html b/contrib/sendmail-8.13.4/libmilter/docs/design.html new file mode 100644 index 0000000000..3cf289829d --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/design.html @@ -0,0 +1,147 @@ + + +Architecture + + + + +

Architecture

+ +

Contents

+ +
    +
  • Design Goals +
  • Implementing Filtering Policies +
  • MTA - Filter Communication +
+ +

Goals

+ +The Sendmail Content Management API (Milter) provides an interface for +third-party software to validate and modify messages as they pass +through the mail transport system. Filters can process messages' +connection (IP) information, envelope protocol elements, message +headers, and/or message body contents, and modify a message's +recipients, headers, and body. The MTA configuration file specifies +which filters are to be applied, and in what order, allowing an +administrator to combine multiple independently-developed filters. + +

+We expect to see both vendor-supplied, configurable mail filtering +applications and a multiplicity of script-like filters designed by and +for MTA administrators. A certain degree of coding sophistication and +domain knowledge on the part of the filter provider is assumed. This +allows filters to exercise fine-grained control at the SMTP level. +However, as will be seen in the example, many filtering applications +can be written with relatively little protocol knowledge. + +

+Given these expectations, the API is designed to achieve the following +goals: + +

    +
  1. Safety/security. + Filter processes should not need to run as root + (of course, they can if required, but that is a local issue); + this will simplify coding + and limit the impact of security flaws in the filter program. +

    +

  2. Reliability. + Coding failures in a Milter process that cause that process + to hang or core-dump + should not stop mail delivery. + Faced with such a failure, + sendmail should use a default mechanism, + either behaving as if the filter were not present + or as if a required resource were unavailable. + The latter failure mode will generally have sendmail return + a 4xx SMTP code (although in later phases of the SMTP protocol + it may cause the mail to be queued for later processing). +

    +

  3. Simplicity. + The API should make implementation of a new filter + no more difficult than absolutely necessary. + Subgoals include: +
      +
    • Encourage good thread practice + by defining thread-clean interfaces including local data hooks. +
    • Provide all interfaces required + while avoiding unnecessary pedanticism. +
    +

    +

  4. Performance. + Simple filters should not seriously impact overall MTA performance. +
+ +

Implementing Filtering Policies

+ +Milter is designed to allow a server administrator to combine +third-party filters to implement a desired mail filtering policy. For +example, if a site wished to scan incoming mail for viruses on several +platforms, eliminate unsolicited commercial email, and append a mandated +footer to selected incoming messages, the administrator could configure +the MTA to filter messages first through a server based anti-virus +engine, then via a large-scale spam-catching service, and finally +append the desired footer if the message still met requisite criteria. +Any of these filters could be added or changed independently. + +

+Thus the site administrator, not the filter writer, controls the +overall mail filtering environment. In particular, he/she must decide +which filters are run, in what order they are run, and how they +communicate with the MTA. These parameters, as well as the +actions to be taken if a filter becomes unavailable, are selectable +during MTA configuration. Further +details are available later in this document. + +

MTA - Filter communication

+ +Filters run as separate processes, outside of the sendmail address +space. The benefits of this are threefold: + +
    +
  1. The filter need not run with "root" permissions, thereby + avoiding a large family of potential security problems.
    2. + +
  2. Failures in a particular filter will not affect the MTA or + other filters.
    3. + +
  3. The filter can potentially have higher performance because of + the parallelism inherent in multiple processes.
    4. +
+ +

+Each filter may communicate with multiple MTAs at the same time over +local or remote connections, using multiple threads of execution. Figure 1 illustrates a possible network of +communication channels between a site's filters, its MTAs, and other +MTAs on the network: +

+
+
+Figure 1: A set of MTA's interacting with a set of filters. +
+

+The Milter library (libmilter) implements the communication protocol. +It accepts connections from various MTAs, passes the relevant data to +the filter through callbacks, then makes appropriate responses based +on return codes. A filter may also send data to the MTA as a result +of library calls. Figure 2 shows a single +filter process processing messages from two MTAs: +

+
+
+Figure 2: A filter handling simultaneous requests from two MTA's. +
+
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/figure1.fig b/contrib/sendmail-8.13.4/libmilter/docs/figure1.fig new file mode 100644 index 0000000000..e0cbdc8e8a --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/figure1.fig @@ -0,0 +1,56 @@ +#FIG 3.2 +Landscape +Center +Inches +Letter +100.00 +Single +-2 +1200 2 +6 975 225 5025 3375 +6 1500 1275 2700 2025 +2 2 0 2 1 7 50 0 -1 0.000 0 0 7 0 0 5 + 1650 1425 2550 1425 2550 1875 1650 1875 1650 1425 +4 0 1 50 0 0 20 0.0000 4 195 645 1800 1725 MTA\001 +-6 +6 1950 2625 3150 3375 +2 2 0 2 4 7 50 0 -1 0.000 0 0 7 0 0 5 + 2100 2775 3000 2775 3000 3225 2100 3225 2100 2775 +4 0 4 50 0 0 20 0.0000 4 195 645 2250 3075 MTA\001 +-6 +6 1050 225 2250 975 +2 2 0 2 14 7 50 0 -1 0.000 0 0 7 0 0 5 + 1200 375 2100 375 2100 825 1200 825 1200 375 +4 0 14 50 0 0 20 0.0000 4 195 645 1350 675 MTA\001 +-6 +2 1 0 2 1 7 50 0 -1 0.000 0 0 7 0 0 2 + 2550 1575 3750 2625 +2 1 0 2 1 7 50 0 -1 0.000 0 0 7 0 0 2 + 2550 1575 3750 1575 +2 1 0 2 1 7 50 0 -1 0.000 0 0 7 0 0 2 + 2550 1575 3750 825 +2 1 0 2 4 7 50 0 -1 0.000 0 0 7 0 0 2 + 3000 2925 3750 2625 +2 1 0 2 14 7 50 0 -1 0.000 0 0 7 0 0 2 + 2100 525 3750 825 +2 1 0 2 14 7 50 0 -1 0.000 0 0 7 0 0 2 + 2100 525 3750 2625 +2 1 0 4 0 7 50 0 -1 0.000 0 0 7 0 0 2 + 1050 3075 2100 3075 +2 1 0 4 0 7 50 0 -1 0.000 0 0 7 0 0 2 + 1050 1725 1650 1725 +2 1 0 4 0 7 50 0 -1 0.000 0 0 7 0 0 2 + 1050 675 1200 675 +2 2 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 5 + 3750 2475 4950 2475 4950 2925 3750 2925 3750 2475 +2 2 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 5 + 3750 1425 4950 1425 4950 1875 3750 1875 3750 1425 +2 2 0 2 0 7 50 0 -1 0.000 0 0 -1 0 0 5 + 3750 525 4950 525 4950 975 3750 975 3750 525 +4 0 0 50 0 1 20 0.0000 4 210 795 3900 2775 Filter 3\001 +4 0 0 50 0 1 20 0.0000 4 210 795 3900 1725 Filter 2\001 +4 0 0 50 0 1 20 0.0000 4 210 795 3900 825 Filter 1\001 +-6 +2 2 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 5 + 300 525 1050 525 1050 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Filtering Mail with Sendmail

+ + + +

Introduction

+ +

+Sendmail's Content Management API (milter) provides third-party +programs to access mail messages as they are being processed by the +Mail Transfer Agent (MTA), allowing them to examine and modify message +content and meta-information. Filtering policies implemented by +Milter-conformant filters may then be centrally configured and +composed in an end-user's MTA configuration file. + +

+Possible uses for filters include spam rejection, virus +filtering, and content control. In general, Milter seeks to address +site-wide filtering concerns in a scalable way. Individual users' mail +filtering needs (e.g. sorting messages by subject) are left to +client-level programs such as Procmail. + +

+This document is a technical introduction intended for those +interested in developing Milter filters. It includes: +

    +
  • A description of Milter's design goals. + +
  • An explanation of Milter application architecture, including +interactions between the support library and user code, and between +filters and the MTA. + +
  • A specification of the C application programming interface. +
  • An example of a simple Milter filter. +
+ +

Contents

+ + + +
+ +Copyright (c) 2000, 2001, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/installation.html b/contrib/sendmail-8.13.4/libmilter/docs/installation.html new file mode 100644 index 0000000000..5353ea74a6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/installation.html @@ -0,0 +1,169 @@ + +Installation and Configuration + + + +

Installation

+

Contents

+ + +

Compiling and Installing Your Filter

+ +To compile a filter, modify the Makefile provided with the sample program, or: +
    +
  • Put the include and Sendmail directories in your include path + (e.g. -I/path/to/include -I/path/to/sendmail). + +
  • Make sure libmilter.a is in your library path, and link your + application with it (e.g. "-lmilter"). + +
  • Compile with pthreads, either by using -pthread for gcc, or + linking with a pthreads support library (-lpthread). +
+Your compile command line will look like +
+cc -I/path/to/include -I/path/to/sendmail -c myfile.c
+
+and your linking command line will look something like +
+cc -o myfilter [object-files] -L[library-location] -lmilter -pthread
+
+ +

Configuring Sendmail

+ +First, you must compile sendmail with MILTER defined. +If you use a sendmail version older than 8.12 please see +the instructions for your version. +To do this, add the following lines to your build +configuration file (devtools/Site/config.site.m4) +
+APPENDDEF(`conf_sendmail_ENVDEF', `-DMILTER')
+
+ +then type ./Build -c in your sendmail directory. + +

+Next, you must add the desired filters to your sendmail configuration +(.mc) file. +Mail filters have three equates: +The required S= equate specifies the socket where +sendmail should look for the filter; The optional F= and +T= equates specify flags and timeouts, respectively. All +equates names, equate field names, and flag values are case sensitive. + +

+The current flags (F=) are: +

+ + + + + + + + + + +
Flag Meaning
R Reject connection if filter unavailable
T Temporary fail connection if filter unavailable
+ +If a filter is unavailable or unresponsive and no flags have been +specified, the MTA will continue normal handling of the current +connection. The MTA will try to contact the filter again on each new +connection. + +

+There are three fields inside of the T= equate: S, R, and +E. Note the separator between each is a ";" (semicolon), as "," +(comma) already separates equates. The value of each field is a +decimal number followed by a single letter designating the units ("s" +for seconds, "m" for minutes). The fields have the following +meanings: +

+ + + + + + + + + + + + + + + + +
Flag Meaning
C Timeout for connecting to a filter. If set to 0, the + system's connect() timeout will be used. + Default: 5m
S Timeout for sending information from the MTA to a + filter. Default: 10s
R Timeout for reading reply from the filter. Default: 10s
E Overall timeout between sending end-of-message to + filter and waiting for the final acknowledgment. Default: 5m
+ +

+The following sendmail.mc example specifies three filters. The first +two rendezvous on Unix-domain sockets in the /var/run directory; the +third uses an IP socket on port 999. +

+	INPUT_MAIL_FILTER(`filter1', `S=unix:/var/run/f1.sock, F=R')
+	INPUT_MAIL_FILTER(`filter2', `S=unix:/var/run/f2.sock, F=T, T=S:1s;R:1s;E:5m')
+	INPUT_MAIL_FILTER(`filter3', `S=inet:999@localhost, T=C:2m')
+
+	define(`confINPUT_MAIL_FILTERS', `filter2,filter1,filter3')
+

+	m4 ../m4/cf.m4 myconfig.mc > myconfig.cf
+
+By default, the filters would be run in the order declared, +i.e. "filter1, filter2, filter3"; however, since +confINPUT_MAIL_FILTERS is defined, the filters will be +run "filter2, filter1, filter3". Also note that a filter can be +defined without adding it to the input filter list by using +MAIL_FILTER() instead of INPUT_MAIL_FILTER(). + +

+The above macros will result in the following lines being added to +your .cf file: +

+        Xfilter1, S=unix:/var/run/f1.sock, F=R
+        Xfilter2, S=unix:/var/run/f2.sock, F=T, T=S:1s;R:1s;E:5m
+        Xfilter3, S=inet:999@localhost, T=C:2m
+
+        O InputMailFilters=filter2,filter1,filter3
+
+

+Finally, the sendmail macros accessible via smfi_getsymval can be configured by +defining the following m4 variables (or cf options): + + + + + + + + + + + + + +
In .mc file In .cf fileDefault Value
confMILTER_MACROS_CONNECTMilter.macros.connectj, _, {daemon_name}, {if_name}, {if_addr}
confMILTER_MACROS_HELOMilter.macros.helo{tls_version}, {cipher}, {cipher_bits}, {cert_subject}, +{cert_issuer}
confMILTER_MACROS_ENVFROMMilter.macros.envfromi, {auth_type}, {auth_authen}, {auth_ssf}, {auth_author}, +{mail_mailer}, {mail_host}, {mail_addr}
confMILTER_MACROS_ENVRCPTMilter.macros.envrcpt{rcpt_mailer}, {rcpt_host}, {rcpt_addr}
+For information about available macros and their meanings, please +consult the sendmail documentation. +

+ +Copyright (c) 2000-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/other.html b/contrib/sendmail-8.13.4/libmilter/docs/other.html new file mode 100644 index 0000000000..22ef8229ad --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/other.html @@ -0,0 +1,18 @@ + +Other Resources + + + +FAQ? Mailing list? More sample filters? +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/overview.html b/contrib/sendmail-8.13.4/libmilter/docs/overview.html new file mode 100644 index 0000000000..f06fbdf22f --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/overview.html @@ -0,0 +1,194 @@ + + +Technical Overview + + + + +

Technical Overview

+ +

Contents

+ +
    +
  • Initialization +
  • Control flow +
  • Multithreading +
  • Resource Management +
  • Signal Handling +
+ +

Initialization

+ +In addition to its own initialization, libmilter expects a filter to initialize several parameters before calling smfi_main: +
    +
  • The callbacks the filter wishes to be called, and the types of + message modification it intends to perform (required, see smfi_register). + +
  • The socket address to be used when communicating with the MTA + (required, see smfi_setconn). + +
  • The number of seconds to wait for MTA connections before + timing out (optional, see smfi_settimeout). +
+

+If the filter fails to initialize libmilter, or if one or more of the +parameters it has passed are invalid, a subsequent call to smfi_main +will fail. + +

Control flow

+ +

+The following pseudocode describes the filtering process from the +perspective of a set of N MTA's, each corresponding to a +connection. Callbacks are shown beside the processing stages in which +they are invoked; if no callbacks are defined for a particular stage, +that stage may be bypassed. Though it is not shown, processing may be +aborted at any time during a message, in which case the xxfi_abort callback is invoked and control +returns to MESSAGE. +

+

+For each of N connections
+{
+	For each filter
+		process connection/helo (xxfi_connect, xxfi_helo)
+MESSAGE:For each message in this connection (sequentially)
+	{
+		For each filter
+			process sender (xxfi_envfrom)
+		For each recipient
+		{
+			For each filter
+				process recipient (xxfi_envrcpt)
+		}
+		For each filter
+		{
+			For each header
+				process header (xxfi_header)
+			process end of headers (xxfi_eoh)
+			For each body block
+				process this body block (xxfi_body)
+			process end of message (xxfi_eom)
+		}
+	}
+	For each filter
+		process end of connection (xxfi_close)
+}
+
+ +

Note: Filters are contacted in order defined in config file.

+ +

+To write a filter, a vendor supplies callbacks to process relevant +parts of a message transaction. The library then controls all +sequencing, threading, and protocol exchange with the MTA. Figure 3 outlines control flow for a filter +process, showing where different callbacks are invoked. +

+
+ + + + + + + + + + + + + + + + +
SMTP CommandsMilter Callbacks
(open SMTP connection)xxfi_connect
HELO ...xxfi_helo
MAIL From: ...xxfi_envfrom
RCPT To: ...xxfi_envrcpt
[more RCPTs][xxfi_envrcpt]
DATA 
Header: ...xxfi_header
[more headers][xxfi_header]
 xxfi_eoh
body... xxfi_body
[more body...][xxfi_body]
.xxfi_eom
QUITxxfi_close
(close SMTP connection) 
+Figure 3: Milter callbacks related to an SMTP transaction. +
+

+Note that although only a single message is shown above, multiple +messages may be sent in a single connection. Note also that a message +and/or connection may be aborted by either the remote host or the MTA +at any point during the SMTP transaction. If this occurs during a +message (between the MAIL command and the final "."), the filter's xxfi_abort routine will be called. xxfi_close is called any time the +connection closes. + +

Multithreading

+ +

+A single filter process may handle any number of connections +simultaneously. All filtering callbacks must therefore be reentrant, +and use some appropriate external synchronization methods to access +global data. Furthermore, since there is not a one-to-one +correspondence between threads and connections (N connections mapped +onto M threads, M <= N), connection-specific data must be accessed +through the handles provided by the Milter library. The programmer +cannot rely on library-supplied thread-specific data blocks +(e.g. pthread_getspecific()) to store connection-specific data. See +the API documentation for smfi_setpriv and smfi_getpriv for details. + +

Resource management

+ +Since filters are likely to be long-lived, and to handle many +connections, proper deallocation of per-connection resources is +important. The lifetime of a connection is bracketed by calls to the +callbacks xxfi_connect and xxfi_close. Therefore connection-specific +resources (accessed via smfi_getpriv +and smfi_setpriv) may be allocated in +xxfi_connect, and should be freed in +xxfi_close. For further information see +the discussion of message- versus +connection-oriented routines. In particular, note that there is only +one connection-specific data pointer per connection. +

+ +Each message is bracketed by calls to xxfi_envfrom and xxfi_eom (or xxfi_abort), implying that message-specific +resources can be allocated and reclaimed in these routines. Since the +messages in a connection are processed sequentially by each filter, +there will be only one active message associated with a given +connection and filter (and connection-private data block). These +resources must still be accessed through smfi_getpriv and smfi_setpriv, and must be reclaimed +in xxfi_abort. + +

Signal Handling

+ +libmilter takes care of signal handling, the filters are +not influenced directly by signals. +There are basically two types of signal handlers: + +
    +
  1. Stop: no new connections from the MTA will be accepted, +but existing connections are allowed to continue. +
  2. Abort: all filters will be stopped as soon as the next +communication with the MTA happens. +
+ +Filters are not terminated asynchronously (except by +signals that can't be caught). +In the case of Abort the +xxfi_abort callback is invoked. + +
+ +Copyright (c) 2000, 2001, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/sample.html b/contrib/sendmail-8.13.4/libmilter/docs/sample.html new file mode 100644 index 0000000000..29ee67ab7c --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/sample.html @@ -0,0 +1,504 @@ + +A Sample Filter + + +

A Sample Filter

+ +The following sample logs each message to a separate temporary file, +adds a recipient given with the -a flag, and rejects a disallowed +recipient address given with the -r flag. It recognizes the following +options: +

+

+ + + + + +
-p portThe port through which the MTA will connect to the filter.
-t secThe timeout value.
-r addrA recipient to reject.
-a addrA recipient to add.
+
+
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+#include "libmilter/mfapi.h"
+
+#ifndef bool
+# define bool	int
+# define TRUE	1
+# define FALSE	0
+#endif /* ! bool */
+
+
+struct mlfiPriv
+{
+	char	*mlfi_fname;
+	char	*mlfi_connectfrom;
+	char	*mlfi_helofrom;
+	FILE	*mlfi_fp;
+};
+
+#define MLFIPRIV	((struct mlfiPriv *) smfi_getpriv(ctx))
+
+extern sfsistat		mlfi_cleanup(SMFICTX *, bool);
+
+/* recipients to add and reject (set with -a and -r options) */
+char *add = NULL;
+char *reject = NULL;
+
+sfsistat
+mlfi_connect(ctx, hostname, hostaddr)
+	 SMFICTX *ctx;
+	 char *hostname;
+	 _SOCK_ADDR *hostaddr;
+{
+	struct mlfiPriv *priv;
+	char *ident;
+
+	/* allocate some private memory */
+	priv = malloc(sizeof *priv);
+	if (priv == NULL)
+	{
+		/* can't accept this message right now */
+		return SMFIS_TEMPFAIL;
+	}
+	memset(priv, '\0', sizeof *priv);
+
+	/* save the private data */
+	smfi_setpriv(ctx, priv);
+
+	ident = smfi_getsymval(ctx, "_");
+	if (ident == NULL)
+		ident = "???";
+	if ((priv->mlfi_connectfrom = strdup(ident)) == NULL)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_helo(ctx, helohost)
+	 SMFICTX *ctx;
+	 char *helohost;
+{
+	size_t len;
+	char *tls;
+	char *buf;
+	struct mlfiPriv *priv = MLFIPRIV;
+
+	tls = smfi_getsymval(ctx, "{tls_version}");
+	if (tls == NULL)
+		tls = "No TLS";
+	if (helohost == NULL)
+		helohost = "???";
+	len = strlen(tls) + strlen(helohost) + 3;
+	if ((buf = (char*) malloc(len)) == NULL)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+	snprintf(buf, len, "%s, %s", helohost, tls);
+	if (priv->mlfi_helofrom != NULL)
+		free(priv->mlfi_helofrom);
+	priv->mlfi_helofrom = buf;
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_envfrom(ctx, argv)
+	 SMFICTX *ctx;
+	 char **argv;
+{
+	int fd = -1;
+	int argc = 0;
+	struct mlfiPriv *priv = MLFIPRIV;
+	char *mailaddr = smfi_getsymval(ctx, "{mail_addr}");
+
+	/* open a file to store this message */
+	if ((priv->mlfi_fname = strdup("/tmp/msg.XXXXXX")) == NULL)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	if ((fd = mkstemp(priv->mlfi_fname)) == -1)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	if ((priv->mlfi_fp = fdopen(fd, "w+")) == NULL)
+	{
+		(void) close(fd);
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* count the arguments */
+	while (*argv++ != NULL)
+		++argc;
+
+	/* log the connection information we stored earlier: */
+	if (fprintf(priv->mlfi_fp, "Connect from %s (%s)\n\n",
+		    priv->mlfi_helofrom, priv->mlfi_connectfrom) == EOF)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+	/* log the sender */
+	if (fprintf(priv->mlfi_fp, "FROM %s (%d argument%s)\n",
+		    mailaddr ? mailaddr : "???", argc,
+		    (argc == 1) ? "" : "s") == EOF)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_envrcpt(ctx, argv)
+	 SMFICTX *ctx;
+	 char **argv;
+{
+	struct mlfiPriv *priv = MLFIPRIV;
+	char *rcptaddr = smfi_getsymval(ctx, "{rcpt_addr}");
+	int argc = 0;
+
+	/* count the arguments */
+	while (*argv++ != NULL)
+		++argc;
+
+	/* log this recipient */
+	if (reject != NULL && rcptaddr != NULL &&
+	    (strcasecmp(rcptaddr, reject) == 0))
+	{
+		if (fprintf(priv->mlfi_fp, "RCPT %s -- REJECTED\n",
+			    rcptaddr) == EOF)
+		{
+			(void) mlfi_cleanup(ctx, FALSE);
+			return SMFIS_TEMPFAIL;
+		}
+		return SMFIS_REJECT;
+	}
+	if (fprintf(priv->mlfi_fp, "RCPT %s (%d argument%s)\n",
+		    rcptaddr ? rcptaddr : "???", argc,
+		    (argc == 1) ? "" : "s") == EOF)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_header(ctx, headerf, headerv)
+	 SMFICTX *ctx;
+	 char *headerf;
+	 unsigned char *headerv;
+{
+	/* write the header to the log file */
+	if (fprintf(MLFIPRIV->mlfi_fp, "%s: %s\n", headerf, headerv) == EOF)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_eoh(ctx)
+	 SMFICTX *ctx;
+{
+	/* output the blank line between the header and the body */
+	if (fprintf(MLFIPRIV->mlfi_fp, "\n") == EOF)
+	{
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_body(ctx, bodyp, bodylen)
+	 SMFICTX *ctx;
+	 unsigned char *bodyp;
+	 size_t bodylen;
+{
+        struct mlfiPriv *priv = MLFIPRIV;
+
+	/* output body block to log file */
+	if (fwrite(bodyp, bodylen, 1, priv->mlfi_fp) != 1)
+	{
+		/* write failed */
+		fprintf(stderr, "Couldn't write file %s: %s\n",
+			priv->mlfi_fname, strerror(errno));
+		(void) mlfi_cleanup(ctx, FALSE);
+		return SMFIS_TEMPFAIL;
+	}
+
+	/* continue processing */
+	return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_eom(ctx)
+	 SMFICTX *ctx;
+{
+	bool ok = TRUE;
+
+	/* change recipients, if requested */
+	if (add != NULL)
+		ok = (smfi_addrcpt(ctx, add) == MI_SUCCESS);
+	return mlfi_cleanup(ctx, ok);
+}
+
+sfsistat
+mlfi_abort(ctx)
+	 SMFICTX *ctx;
+{
+	return mlfi_cleanup(ctx, FALSE);
+}
+
+sfsistat
+mlfi_cleanup(ctx, ok)
+	 SMFICTX *ctx;
+	 bool ok;
+{
+	sfsistat rstat = SMFIS_CONTINUE;
+	struct mlfiPriv *priv = MLFIPRIV;
+	char *p;
+	char host[512];
+	char hbuf[1024];
+
+	if (priv == NULL)
+		return rstat;
+
+	/* close the archive file */
+	if (priv->mlfi_fp != NULL && fclose(priv->mlfi_fp) == EOF)
+	{
+		/* failed; we have to wait until later */
+		fprintf(stderr, "Couldn't close archive file %s: %s\n",
+			priv->mlfi_fname, strerror(errno));
+		rstat = SMFIS_TEMPFAIL;
+		(void) unlink(priv->mlfi_fname);
+	}
+	else if (ok)
+	{
+		/* add a header to the message announcing our presence */
+		if (gethostname(host, sizeof host) < 0)
+			snprintf(host, sizeof host, "localhost");
+		p = strrchr(priv->mlfi_fname, '/');
+		if (p == NULL)
+			p = priv->mlfi_fname;
+		else
+			p++;
+		snprintf(hbuf, sizeof hbuf, "%s@%s", p, host);
+		if (smfi_addheader(ctx, "X-Archived", hbuf) != MI_SUCCESS)
+		{
+			/* failed; we have to wait until later */
+			fprintf(stderr,
+				"Couldn't add header: X-Archived: %s\n",
+				hbuf);
+			ok = FALSE;
+			rstat = SMFIS_TEMPFAIL;
+			(void) unlink(priv->mlfi_fname);
+		}
+	}
+	else
+	{
+		/* message was aborted -- delete the archive file */
+		fprintf(stderr, "Message aborted.  Removing %s\n",
+			priv->mlfi_fname);
+		rstat = SMFIS_TEMPFAIL;
+		(void) unlink(priv->mlfi_fname);
+	}
+
+	/* release private memory */
+	if (priv->mlfi_fname != NULL)
+		free(priv->mlfi_fname);
+
+	/* return status */
+	return rstat;
+}
+
+sfsistat
+mlfi_close(ctx)
+	 SMFICTX *ctx;
+{
+	struct mlfiPriv *priv = MLFIPRIV;
+
+	if (priv == NULL)
+		return SMFIS_CONTINUE;
+	if (priv->mlfi_connectfrom != NULL)
+		free(priv->mlfi_connectfrom);
+	if (priv->mlfi_helofrom != NULL)
+		free(priv->mlfi_helofrom);
+	free(priv);
+	smfi_setpriv(ctx, NULL);
+	return SMFIS_CONTINUE;
+}
+
+struct smfiDesc smfilter =
+{
+	"SampleFilter",	/* filter name */
+	SMFI_VERSION,	/* version code -- do not change */
+	SMFIF_ADDHDRS|SMFIF_ADDRCPT,
+			/* flags */
+	mlfi_connect,	/* connection info filter */
+	mlfi_helo,	/* SMTP HELO command filter */
+	mlfi_envfrom,	/* envelope sender filter */
+	mlfi_envrcpt,	/* envelope recipient filter */
+	mlfi_header,	/* header filter */
+	mlfi_eoh,	/* end of header */
+	mlfi_body,	/* body block filter */
+	mlfi_eom,	/* end of message */
+	mlfi_abort,	/* message aborted */
+	mlfi_close,	/* connection cleanup */
+};
+
+static void
+usage(prog)
+	char *prog;
+{
+	fprintf(stderr,
+		"Usage: %s -p socket-addr [-t timeout] [-r reject-addr] [-a add-addr]\n",
+		prog);
+}
+
+int
+main(argc, argv)
+	 int argc;
+	 char **argv;
+{
+	bool setconn = FALSE;
+	int c;
+	const char *args = "p:t:r:a:h";
+	extern char *optarg;
+
+	/* Process command line options */
+	while ((c = getopt(argc, argv, args)) != -1)
+	{
+		switch (c)
+		{
+		  case 'p':
+			if (optarg == NULL || *optarg == '\0')
+			{
+				(void) fprintf(stderr, "Illegal conn: %s\n",
+					       optarg);
+				exit(EX_USAGE);
+			}
+			if (smfi_setconn(optarg) == MI_FAILURE)
+			{
+				(void) fprintf(stderr,
+					       "smfi_setconn failed\n");
+				exit(EX_SOFTWARE);
+			}
+
+			/*
+			**  If we're using a local socket, make sure it
+			**  doesn't already exist.  Don't ever run this
+			**  code as root!!
+			*/
+
+			if (strncasecmp(optarg, "unix:", 5) == 0)
+				unlink(optarg + 5);
+			else if (strncasecmp(optarg, "local:", 6) == 0)
+				unlink(optarg + 6);
+			setconn = TRUE;
+			break;
+
+		  case 't':
+			if (optarg == NULL || *optarg == '\0')
+			{
+				(void) fprintf(stderr, "Illegal timeout: %s\n",
+					       optarg);
+				exit(EX_USAGE);
+			}
+			if (smfi_settimeout(atoi(optarg)) == MI_FAILURE)
+			{
+				(void) fprintf(stderr,
+					       "smfi_settimeout failed\n");
+				exit(EX_SOFTWARE);
+			}
+			break;
+
+		  case 'r':
+			if (optarg == NULL)
+			{
+				(void) fprintf(stderr,
+					       "Illegal reject rcpt: %s\n",
+					       optarg);
+				exit(EX_USAGE);
+			}
+			reject = optarg;
+			break;
+
+		  case 'a':
+			if (optarg == NULL)
+			{
+				(void) fprintf(stderr,
+					       "Illegal add rcpt: %s\n",
+					       optarg);
+				exit(EX_USAGE);
+			}
+			add = optarg;
+			smfilter.xxfi_flags |= SMFIF_ADDRCPT;
+			break;
+
+		  case 'h':
+		  default:
+			usage(argv[0]);
+			exit(EX_USAGE);
+		}
+	}
+	if (!setconn)
+	{
+		fprintf(stderr, "%s: Missing required -p argument\n", argv[0]);
+		usage(argv[0]);
+		exit(EX_USAGE);
+	}
+	if (smfi_register(smfilter) == MI_FAILURE)
+	{
+		fprintf(stderr, "smfi_register failed\n");
+		exit(EX_UNAVAILABLE);
+	}
+	return smfi_main();
+}
+
+/* eof */
+
+
+
+ +Copyright (c) 2000-2004 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_addheader.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_addheader.html new file mode 100644 index 0000000000..e1fe69d648 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_addheader.html @@ -0,0 +1,118 @@ + +smfi_addheader + + +

smfi_addheader

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_addheader(
+	SMFICTX *ctx,
+	char *headerf,
+	char *headerv
+);
+
+Add a header to the current message. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
EffectsAdds a header to the current message.
+ + +
ARGUMENTS + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
headerfThe header name, a non-NULL, null-terminated string. +
headervThe header value to be added, a non-NULL, null-terminated string. This may be the empty string. +
+
RETURN VALUESsmfi_addheader returns MI_FAILURE if: +
  • headerf or headerv is NULL. +
  • Adding headers in the current connection state is invalid. +
  • Memory allocation fails. +
  • A network error occurs. +
  • SMFIF_ADDHDRS was not set when smfi_register was called. +
+Otherwise, it returns MI_SUCCESS. +
NOTES +
  • smfi_addheader does not change a message's existing headers. +To change a header's current value, use smfi_chgheader. +
  • A filter which calls smfi_addheader must have set the SMFIF_ADDHDRS flag in the smfiDesc_str passed to smfi_register. +
  • For smfi_addheader, filter order is important. Later filters will see the header changes made by earlier ones. +
  • Neither the name nor the value of the header is checked for + standards compliance. However, each line of the header must be under + 2048 characters and should be under 998 characters. If longer headers + are needed, make them multi-line. To make a multi-line header, insert + a line feed (ASCII 0x0a, or \n in C) followed by at least + one whitespace character such as a space (ASCII 0x20) or tab (ASCII 0x09, + or \t in C). The line feed should NOT be preceded by a + carriage return (ASCII 0x0d); the MTA will add this automatically. + It is the filter writer's responsibility to ensure that no standards + are violated. +
+
EXAMPLE + 
+  int ret;
+  SMFICTX *ctx;
+
+  ...
+
+  ret = smfi_addheader(ctx, "Content-Type",
+                       "multipart/mixed;\n\tboundary=\"foobar\"");
+
+
+ +
+ +Copyright (c) 2000-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_addrcpt.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_addrcpt.html new file mode 100644 index 0000000000..05770bf28d --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_addrcpt.html @@ -0,0 +1,83 @@ + +smfi_addrcpt + + +

smfi_addrcpt

+ + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_addrcpt(
+	SMFICTX *ctx,
+	char *rcpt
+);
+
+Add a recipient for the current message. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
EffectsAdd a recipient to the message envelope.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
rcptThe new recipient's address. +
+
RETURN VALUESsmfi_addrcpt will fail and return MI_FAILURE if: +
  • rcpt is NULL. +
  • Adding recipients in the current connection state is invalid. +
  • A network error occurs. +
  • SMFIF_ADDRCPT was not set when smfi_register was called. +
+Otherwise, it will return MI_SUCCESS. +
NOTES +A filter which calls smfi_addrcpt must have set the SMFIF_ADDRCPT flag +in the smfiDesc_str passed to +smfi_register. +
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_chgheader.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_chgheader.html new file mode 100644 index 0000000000..5c7e507949 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_chgheader.html @@ -0,0 +1,120 @@ + +smfi_chgheader + + +

smfi_chgheader

+ + + + + + + + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_chgheader(
+	SMFICTX *ctx,
+	char *headerf,
+	mi_int32 hdridx,
+	char *headerv
+);
+
+Change or delete a message header. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
EffectsChanges a header's value for the current message.
+ + +
ARGUMENTS + + + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
headerfThe header name, a non-NULL, null-terminated string. +
hdridxHeader index value (1-based). A hdridx value of 1 will modify the first occurrence of a header named headerf. If hdridx is greater than the number of times headerf appears, a new copy of headerf will be added. +
headervThe new value of the given header. headerv == NULL implies that the header should be deleted. +
+
RETURN VALUES +smfi_chgheader will return MI_FAILURE if +
  • headerf is NULL +
  • Modifying headers in the current connection state is invalid. +
  • Memory allocation fails. +
  • A network error occurs. +
  • SMFIF_CHGHDRS was not set when smfi_register was called. +
+Otherwise, it returns MI_SUCCESS. +
NOTES +
  • While smfi_chgheader may be used to add new headers, it is more efficient and far safer to use smfi_addheader. +
  • A filter which calls smfi_chgheader must have set the SMFIF_CHGHDRS flag in the smfiDesc_str passed to smfi_register. +
  • For smfi_chgheader, filter order is important. Later filters will see the header changes made by earlier ones. +
  • Neither the name nor the value of the header is checked for + standards compliance. However, each line of the header must be under + 2048 characters and should be under 998 characters. If longer headers + are needed, make them multi-line. To make a multi-line header, insert + a line feed (ASCII 0x0a, or \n in C) followed by at least + one whitespace character such as a space (ASCII 0x20) or tab (ASCII 0x09, + or \t in C). The line feed should NOT be preceded by a + carriage return (ASCII 0x0d); the MTA will add this automatically. + It is the filter writer's responsibility to ensure that no standards + are violated. +
+
EXAMPLE + 
+  int ret;
+  SMFICTX *ctx;
+
+  ...
+
+  ret = smfi_chgheader(ctx, "Content-Type", 1,
+                       "multipart/mixed;\n\tboundary=\"foobar\"");
+
+
+ +
+ +Copyright (c) 2000-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_delrcpt.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_delrcpt.html new file mode 100644 index 0000000000..7776a4369a --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_delrcpt.html @@ -0,0 +1,82 @@ + +smfi_delrcpt + + +

smfi_delrcpt

+ + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_delrcpt(
+	SMFICTX *ctx;
+	char *rcpt;
+);
+
+Remove a recipient from the current message's envelope. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
Effectssmfi_delrcpt removes the named recipient from the current message's envelope.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
rcptThe recipient address to be removed, a non-NULL, null-terminated string. +
+
RETURN VALUESsmfi_delrcpt will fail and return MI_FAILURE if: +
    +
  • rcpt is NULL. +
  • Deleting recipients in the current connection state is invalid. +
  • A network error occurs. +
  • SMFIF_DELRCPT was not set when smfi_register was called. +
+Otherwise, it will return MI_SUCCESS +
NOTES +The addresses to be removed must match exactly. For example, an address and its expanded form do not match. +
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_getpriv.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_getpriv.html new file mode 100644 index 0000000000..3d9f985038 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_getpriv.html @@ -0,0 +1,62 @@ + +smfi_getpriv + + +

smfi_getpriv

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+void* smfi_getpriv(
+	SMFICTX *ctx
+);
+
+Get the connection-specific data pointer for this connection. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_getpriv may be called in any of the xxfi_* callbacks.
EffectsNone.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
ctxOpaque context structure. +
+
RETURN VALUESsmfi_getpriv returns the private data pointer stored by a prior call to smfi_setpriv, or NULL if none has been set.
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_getsymval.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_getsymval.html new file mode 100644 index 0000000000..0e9bc58f65 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_getsymval.html @@ -0,0 +1,99 @@ + +smfi_getsymval + + +

smfi_getsymval

+ + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+char* smfi_getsymval(
+	SMFICTX *ctx,
+	char *symname
+);
+
+Get the value of a sendmail macro. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_getsymval may be called from within any of the xxfi_* callbacks. Which macros are defined will depend on when it is called.
EffectsNone.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxThe opaque context structure. +
symnameThe name of a sendmail macro. + Single letter macros can optionally be enclosed in braces ("{" and "}"), + longer macro names must be enclosed in braces, just as in a + sendmail.cf file. + See below for default macros. +
+
RETURN VALUESsmfi_getsymval returns the value of the given macro as a null-terminated string, or NULL if the macro is not defined.
NOTES +By default, the following macros are valid in the given contexts: + + + + + + + +
Sent WithMacros
xxfi_connect daemon_name, if_name, if_addr, j, _
xxfi_helo tls_version, cipher, cipher_bits, cert_subject, cert_issuer
xxfi_envfrom i, auth_type, auth_authen, auth_ssf, auth_author, + mail_mailer, mail_host, mail_addr
xxfi_envrcpt rcpt_mailer, rcpt_host, rcpt_addr
+

+All macros stay in effect from the point they are received until the +end of the connection for the first two sets, the end of the message +for the third (xxfi_envfrom), and just for each recipient for the +final set (xxfi_envrcpt). +

+The macro list can be changed using the confMILTER_MACROS_* options in +sendmail.mc. The scopes of such macros will be determined by when +they are set by sendmail. For descriptions of macros' values, please +see the "Sendmail Installation and Operation Guide" provided with your +sendmail distribution. + +

+ +
+ +Copyright (c) 2000, 2002-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_insheader.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_insheader.html new file mode 100644 index 0000000000..837a1fd9b0 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_insheader.html @@ -0,0 +1,123 @@ + +smfi_insheader + + +

smfi_insheader

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_insheader(
+	SMFICTX *ctx,
+	int hdridx,
+	char *headerf,
+	char *headerv
+);
+
+Prepend a header to the current message. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
EffectsPrepends a header to the current message.
+ + +
ARGUMENTS + + + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
hdridxThe location in the internal header list where this header should + be inserted; 0 makes it the topmost header, etc. +
headerfThe header name, a non-NULL, null-terminated string. +
headervThe header value to be added, a non-NULL, null-terminated string. This may be the empty string. +
+
RETURN VALUESsmfi_insheader returns MI_FAILURE if: +
  • headerf or headerv is NULL. +
  • Adding headers in the current connection state is invalid. +
  • Memory allocation fails. +
  • A network error occurs. +
  • SMFIF_ADDHDRS was not set when smfi_register was called. +
+Otherwise, it returns MI_SUCCESS. +
NOTES +
  • smfi_insheader does not change a message's existing headers. +To change a header's current value, use smfi_chgheader. +
  • A filter which calls smfi_insheader must have set the SMFIF_ADDHDRS flag in the smfiDesc_str passed to smfi_register. +
  • For smfi_insheader, filter order is important. Later filters will see the header changes made by earlier ones. +
  • If hdridx is a number larger than the number of headers in the message, the header will simply be appended. +
  • Neither the name nor the value of the header is checked for + standards compliance. However, each line of the header must be under + 2048 characters and should be under 998 characters. If longer headers + are needed, make them multi-line. To make a multi-line header, insert + a line feed (ASCII 0x0a, or \n in C) followed by at least + one whitespace character such as a space (ASCII 0x20) or tab (ASCII 0x09, + or \t in C). The line feed should NOT be preceded by a + carriage return (ASCII 0x0d); the MTA will add this automatically. + It is the filter writer's responsibility to ensure that no standards + are violated. +
+
EXAMPLE + 
+  int ret;
+  SMFICTX *ctx;
+
+  ...
+
+  ret = smfi_insheader(ctx, 0, "First", "See me?");
+
+
+ +
+ +Copyright (c) 2004 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_main.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_main.html new file mode 100644 index 0000000000..4e772a10d6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_main.html @@ -0,0 +1,51 @@ + +smfi_main + + +

smfi_main

+ + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_main(
+);
+
+Hand control to libmilter event loop. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_main is called after a filter's initialization is complete.
Effectssmfi_main hands control to the Milter event loop.
+ + +
RETURN VALUESsmfi_main will return MI_FAILURE if it fails to establish a connection. This may occur for any of a variety of reasons (e.g. invalid address passed to smfi_setconn). The reason for the failure will be logged. Otherwise, smfi_main will return MI_SUCCESS.
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_opensocket.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_opensocket.html new file mode 100644 index 0000000000..914ae5036b --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_opensocket.html @@ -0,0 +1,78 @@ + +smfi_opensocket + + +

smfi_opensocket

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_opensocket(
+	bool rmsocket
+);
+
+Attempt to create the interface socket MTAs will use to connect to the +filter. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from program mainline, before calling +smfi_main().
Effectssmfi_opensocket attempts to create the socket specified previously by +a call to smfi_setconn() which will be the interface between MTAs +and the filter. This allows the calling application to ensure that the +socket can be created. If this is not called, smfi_main() will +do so implicitly.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
rmsocketA flag indicating whether or not the library should try to + remove any existing UNIX domain socket before trying to create + a new one. +
+
RETURN VALUESsmfi_opensocket will fail and return MI_FAILURE if: +
    +
  • The interface socket could not be created for any reason. +
  • rmsocket was true, and either the socket could + not be examined, or exists and could not be removed. +
  • smfi_setconn() has not been called. +
+Otherwise, it will return MI_SUCCESS +
+ +
+ +Copyright (c) 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_progress.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_progress.html new file mode 100644 index 0000000000..85f12195b5 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_progress.html @@ -0,0 +1,68 @@ + +smfi_progress + + +

smfi_progress

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_progress(
+	SMFICTX *ctx;
+);
+
+Notify the MTA that an operation is still in progress. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
Effectssmfi_progress notifies the MTA that the filter is still working +on a message, causing the MTA to re-start its timeouts.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
ctxOpaque context structure. +
+
RETURN VALUESsmfi_progress will fail and return MI_FAILURE if: +
    +
  • A network error occurs. +
+Otherwise, it will return MI_SUCCESS +
+ +
+ +Copyright (c) 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_quarantine.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_quarantine.html new file mode 100644 index 0000000000..066cce81d7 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_quarantine.html @@ -0,0 +1,73 @@ + +smfi_quarantine + + +

smfi_quarantine

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_quarantine(
+	SMFICTX *ctx;
+	char *reason;
+);
+
+Quarantine the message using the given reason. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom.
Effectssmfi_quarantine quarantines the message using the given reason.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
reasonThe quarantine reason, a non-NULL and non-empty null-terminated string. +
+
RETURN VALUESsmfi_quarantine will fail and return MI_FAILURE if: +
    +
  • reason is NULL or empty. +
  • A network error occurs. +
  • SMFIF_QUARANTINE was not set when smfi_register was called. +
+Otherwise, it will return MI_SUCCESS +
+ +
+ +Copyright (c) 2002-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_register.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_register.html new file mode 100644 index 0000000000..3f6ed8301e --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_register.html @@ -0,0 +1,163 @@ + +smfi_register + + +

smfi_register

+ + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_register(
+	smfiDesc descr
+);
+
+Register a set of filter callbacks. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_register must be called before smfi_main
Effectssmfi_register creates a filter using the information given in the +smfiDesc argument. Multiple calls to smfi_register within a +single process are not allowed.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
descr +A filter descriptor of type smfiDesc describing the filter's +functions. The structure has the following members: +
+struct smfiDesc
+{
+	char		*xxfi_name;	/* filter name */
+	int		xxfi_version;	/* version code -- do not change */
+	unsigned long	xxfi_flags;	/* flags */
+
+	/* connection info filter */
+	sfsistat	(*xxfi_connect)(SMFICTX *, char *, _SOCK_ADDR *);
+	/* SMTP HELO command filter */
+	sfsistat	(*xxfi_helo)(SMFICTX *, char *);
+	/* envelope sender filter */
+	sfsistat	(*xxfi_envfrom)(SMFICTX *, char **);
+	/* envelope recipient filter */
+	sfsistat	(*xxfi_envrcpt)(SMFICTX *, char **);
+	/* header filter */
+	sfsistat	(*xxfi_header)(SMFICTX *, char *, char *);
+	/* end of header */
+	sfsistat	(*xxfi_eoh)(SMFICTX *);
+	/* body block */
+	sfsistat	(*xxfi_body)(SMFICTX *, unsigned char *, size_t);
+	/* end of message */
+	sfsistat	(*xxfi_eom)(SMFICTX *);
+	/* message aborted */
+	sfsistat	(*xxfi_abort)(SMFICTX *);
+	/* connection cleanup */
+	sfsistat	(*xxfi_close)(SMFICTX *);
+};
+
+ +A NULL value for any callback function indicates that the filter does +not wish to process the given type of information, simply returning +SMFIS_CONTINUE. +
+
RETURN VALUES +smfi_register may return MI_FAILURE for any of the following reasons: +
    +
  • memory allocation failed. +
  • incompatible version or illegal flags value. +
+ +
NOTES + + +The xxfi_flags field should contain the bitwise OR of zero or more of +the following values, describing the actions the filter may take: + + + + + + + + + + + + + + + + + + + + + + +
FlagDescription
+ SMFIF_ADDHDRS + + This filter may add headers. +
+ SMFIF_CHGHDRS + + This filter may change and/or delete headers. +
+ SMFIF_CHGBODY + + This filter may replace the body during filtering. + This may have significant performance impact + if other filters do body filtering after this filter. +
+ SMFIF_ADDRCPT + + This filter may add recipients to the message. +
+ SMFIF_DELRCPT + + This filter may remove recipients from the message. +
+ +
+ +
+ +Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_replacebody.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_replacebody.html new file mode 100644 index 0000000000..91ac8822ec --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_replacebody.html @@ -0,0 +1,93 @@ + +smfi_replacebody + + +

smfi_replacebody

+ + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_replacebody(
+	SMFICTX *ctx,
+	unsigned char *bodyp,
+	int bodylen
+);
+
+Replace message-body data. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled only from xxfi_eom. smfi_replacebody may be called more than once.
Effectssmfi_replacebody replaces the body of the current message. If called +more than once, subsequent calls result in data being appended to the new +body. +
+ + +
ARGUMENTS + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
bodypA pointer to the start of the new body data, which does not have to be null-terminated. If bodyp is NULL, it is treated as having length == 0. Body data should be in CR/LF form. +
bodylenThe number of data bytes pointed to by bodyp. +
+
RETURN VALUESsmfi_replacebody fails and returns MI_FAILURE if: +
    +
  • bodyp == NULL and bodylen > 0. +
  • Changing the body in the current connection state is invalid. +
  • A network error occurs. +
  • SMFIF_CHGBODY was not set when smfi_register was called. +
+Otherwise, it will return MI_SUCCESS. +
NOTES +
    +
  • Since the message body may be very large, setting SMFIF_CHGBODY may significantly affect filter performance. +
  • If a filter sets SMFIF_CHGBODY but does not call smfi_replacebody, the original body remains unchanged. +
  • For smfi_replacebody, filter order is important. Later filters will see the new body contents created by earlier ones. +
+
+ +
+ +Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_setbacklog.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setbacklog.html new file mode 100644 index 0000000000..79d8d52720 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setbacklog.html @@ -0,0 +1,63 @@ + +smfi_setbacklog + + +

smfi_setbacklog

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_setbacklog(
+	int obacklog
+);
+
+Set the filter's listen backlog value. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_setbacklog should only be called before smfi_main.
EffectsSets the incoming socket backlog used by listen(). If smfi_setbacklog is not called, the operating system default is used.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
obacklogThe number of incoming connections to allow in the listen queue. +
+
RETURN VALUESsmfi_setbacklog returns MI_FAILURE if obacklog is less than or equal +to zero.
+ +
+ +Copyright (c) 2002-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_setconn.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setconn.html new file mode 100644 index 0000000000..07461ccced --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setconn.html @@ -0,0 +1,92 @@ + +smfi_setconn + + +

smfi_setconn

+ + + + + + + + + + + + +. +Nevertheless, smfi_setconn may fail for other reasons, e.g., +due to a lack of memory. + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_setconn(
+	char *oconn;
+);
+
+Set the socket through which this filter should communicate with sendmail. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_setconn must be called once before smfi_main.
EffectsSets the socket through which the filter communicates with sendmail.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
oconnThe address of the desired communication socket. + The address should be a NULL-terminated string in "proto:address" + format: +
    +
  • {unix|local}:/path/to/file -- A named pipe. +
  • inet:port@{hostname|ip-address} -- An IPV4 socket. +
  • inet6:port@{hostname|ip-address} -- An IPV6 socket. +
+
+
RETURN VALUESsmfi_setconn will not fail on an invalid address. +The failure will only be detected in smfi_main
NOTES +
    +
  • If possible, filters should not run as root when communicating + over unix/local domain sockets. +
  • Unix/local sockets should have their permissions set to + 0600 (read/write permission only for the socket's owner) or + 0660 (read/write permission for the socket's owner and group) + which is useful if the sendmail RunAsUser option is used. + The permissions for a unix/local domain socket are determined as + usual by umask, which should be set to 007 or 077. + Note some operating systems (e.g, Solaris) don't use the + permissions of the socket. On those systems, place the socket in a + protected directory. +
+
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_setdbg.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setdbg.html new file mode 100644 index 0000000000..3203f0ff8b --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setdbg.html @@ -0,0 +1,67 @@ + +smfi_setdbg + + +

smfi_setdbg

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_setdbg(
+	int level;
+);
+
+Set the debugging (tracing) level for the milter library. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled from any any routine at any time.
Effectssmfi_setdbg sets the milter library's internal debugging level +to a new level so that code details may be traced. +A level of zero turns off debugging. The greater +(more positive) the level the more detailed the debugging. Six is +the current, highest, useful value.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
levelThe new debugging level +
+
RETURN VALUESsmfi_setdbg returns MI_SUCCESS by default. +
+ +
+ +Copyright (c) 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_setmlreply.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setmlreply.html new file mode 100644 index 0000000000..060c81d4d9 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setmlreply.html @@ -0,0 +1,147 @@ + +smfi_setmlreply + + +

smfi_setmlreply

+ + + + + + + + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_setmlreply(
+	SMFICTX *ctx,
+	char *rcode,
+	char *xcode,
+	...
+);
+
+Set the default SMTP error reply code to a multi-line response. Only 4XX +and 5XX replies are accepted. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_setmlreply may be called from any of the xxfi_ callbacks +other than xxfi_connect.
EffectsDirectly set the SMTP error reply code for this connection to the given +lines after the xcode. The list of arguments must be NULL terminated. +This code will be used on subsequent error replies resulting from actions +taken by this filter.
+ + +
ARGUMENTS + + + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
rcodeThe three-digit (RFC 821/2821) SMTP reply code, as a + null-terminated string. rcode cannot be NULL, and must be a valid + 4XX or 5XX reply code. +
xcodeThe extended (RFC 1893/2034) reply code. If xcode is NULL, no + extended code is used. Otherwise, xcode must conform to RFC 1893/2034. +
...The remainder of the arguments are single lines of text, up to + 32 arguments, which will be used as the text part of the SMTP + reply. The list must be NULL terminated. +
+
RETURN VALUES +For example, the code:
+
+	ret = smfi_setmlreply(ctx, "550", "5.7.0",
+			      "Spammer access rejected",
+			      "Please see our policy at:",
+			      "http://www.example.com/spampolicy.html",
+			      NULL);
+
+
would give the SMTP response:
+
+550-5.7.0 Spammer access rejected
+550-5.7.0 Please see our policy at:
+550 5.7.0 http://www.example.com/spampolicy.html
+
RETURN VALUESsmfi_setmlreply will fail and return MI_FAILURE if: +
    +
  • The rcode or xcode argument is invalid. +
  • A memory-allocation failure occurs. +
  • If any text line contains a carraige return or line feed. +
  • The length of any text line is more than MAXREPLYLEN (980). +
  • More than 32 lines of text replies are given. +
+Otherwise, it return MI_SUCCESS. +
NOTES +
    +
  • Values passed to smfi_setmlreply are not checked for standards compliance. +
  • The message parameter should contain only printable characters, +other characters may lead to undefined behavior. +For example, CR or LF will cause the call to fail, +single '%' characters will cause the text to be ignored +(if there really should be a '%' in the string, +use '%%' just like for printf(3)). +
  • For details about reply codes and their meanings, please see RFC's +821/ +2821 +and +1893/ +2034. +
  • If the reply code (rcode) given is a '4XX' code but SMFI_REJECT is used +for the message, the custom reply is not used. +
  • Similarly, if the reply code (rcode) given is a '5XX' code but +SMFI_TEMPFAIL is used for the message, the custom reply is not used. +
    +Note: in neither of the last two cases an error is returned to the milter, +libmilter silently ignores the reply code. +
  • +If the milter returns SMFI_TEMPFAIL +and sets the reply code to '421', +then the SMTP server will terminate the SMTP session with a 421 +error code. +
+
+ +
+ +Copyright (c) 2000, 2002-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_setpriv.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setpriv.html new file mode 100644 index 0000000000..61e30a9841 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setpriv.html @@ -0,0 +1,80 @@ + +smfi_setpriv + + +

smfi_setpriv

+ + + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_setpriv(
+	SMFICTX *ctx,
+	void *privatedata
+);
+
+Set the private data pointer for this connection. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_setpriv may be called in any of the xxfi_* callbacks.
EffectsSets the private data pointer for the context ctx.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
privatedataPointer to private data. This value will be returned by subsequent calls to smfi_getpriv using ctx. +
+
RETURN VALUESsmfi_setpriv returns MI_FAILURE if ctx is an invalid context. +Otherwise, it returns MI_SUCCESS.
NOTESThere is only one private data pointer per connection; multiple +calls to smfi_setpriv with different values will cause previous values +to be lost. +

+Before a filter terminates it should release the private data +and set the pointer to NULL. +

+ +
+ +Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_setreply.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setreply.html new file mode 100644 index 0000000000..f62196b7a6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_setreply.html @@ -0,0 +1,120 @@ + +smfi_setreply + + +

smfi_setreply

+ + + + + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_setreply(
+	SMFICTX *ctx,
+	char *rcode,
+	char *xcode,
+	char *message
+);
+
+Set the default SMTP error reply code. Only 4XX and 5XX replies are accepted. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_setreply may be called from any of the xxfi_ callbacks +other than xxfi_connect.
EffectsDirectly set the SMTP error reply code for this connection. This code +will be used on subsequent error replies resulting from actions taken by +this filter.
+ + +
ARGUMENTS + + + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
rcodeThe three-digit (RFC 821/2821) SMTP reply code, as a + null-terminated string. rcode cannot be NULL, and must be a valid + 4XX or 5XX reply code. +
xcodeThe extended (RFC 1893/2034) reply code. If xcode is NULL, no + extended code is used. Otherwise, xcode must conform to RFC 1893/2034. +
messageThe text part of the SMTP reply. If message is NULL, an empty message is used. +
+
RETURN VALUESsmfi_setreply will fail and return MI_FAILURE if: +
    +
  • The rcode or xcode argument is invalid. +
  • A memory-allocation failure occurs. +
+Otherwise, it return MI_SUCCESS. +
NOTES +
    +
  • Values passed to smfi_setreply are not checked for standards compliance. +
  • The message parameter should contain only printable characters, +other characters may lead to undefined behavior. +For example, CR or LF will cause the call to fail, +single '%' characters will cause the text to be ignored +(if there really should be a '%' in the string, +use '%%' just like for printf(3)). +
  • For details about reply codes and their meanings, please see RFC's +821/ +2821 +and +1893/ +2034. +
  • If the reply code (rcode) given is a '4XX' code but SMFI_REJECT is used +for the message, the custom reply is not used. +
  • Similarly, if the reply code (rcode) given is a '5XX' code but +SMFI_TEMPFAIL is used for the message, the custom reply is not used. +
    +Note: in neither of the last two cases an error is returned to the milter, +libmilter silently ignores the reply code. +
  • +If the milter returns SMFI_TEMPFAIL +and sets the reply code to '421', +then the SMTP server will terminate the SMTP session with a 421 +error code. +
+
+ +
+ +Copyright (c) 2000, 2002-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_settimeout.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_settimeout.html new file mode 100644 index 0000000000..08f01ed978 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_settimeout.html @@ -0,0 +1,66 @@ + +smfi_settimeout + + +

smfi_settimeout

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_settimeout(
+	int otimeout
+);
+
+Set the filter's connection timeout value. +
DESCRIPTION + + + + + + + + + +
Called Whensmfi_settimeout should only be called before smfi_main.
EffectsSets the number of seconds libmilter will wait for an MTA connection before +timing out a socket. +If smfi_settimeout is not called, a default timeout of 7210 seconds is used. +
+ + +
ARGUMENTS + + + + +
ArgumentDescription
otimeoutThe number of seconds to wait before timing out (> 0). Zero means +no wait, not "wait forever". +
+
RETURN VALUESsmfi_settimeout always returns MI_SUCCESS.
+ +
+ +Copyright (c) 2000, 2002-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/smfi_stop.html b/contrib/sendmail-8.13.4/libmilter/docs/smfi_stop.html new file mode 100644 index 0000000000..bf934231c9 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/smfi_stop.html @@ -0,0 +1,73 @@ + +smfi_stop + + +

smfi_stop

+ + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+int smfi_stop(void);
+
+Start an orderly shutdown of the milter. No connections will be accepted +after this call. +
DESCRIPTION + + + + + + + + + +
Called WhenCalled from any of the Callback routines +or any error-handling routines at any time.
EffectsThe smfi_stop routine +causes each thread to finish its current connection, then exit. +When all threads have exited, the call +to smfi_main returns to your calling program, +which may then exit or warm-restart. +
+ + +
ARGUMENTS + + + + +
ArgumentDescription
voidTakes no arguement. +
+
RETURN VALUESsmfi_stop always returns SMFI_CONTINUE. But note: +
    +
  • Another internal routine may already have asked the milter to abort. +
  • Another routine may already have asked the milter to stop. +
  • There is no way to cancel the stop process once it has begun. +
+
+ +
+ +Copyright (c) 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_abort.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_abort.html new file mode 100644 index 0000000000..3db1117c0d --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_abort.html @@ -0,0 +1,83 @@ + +xxfi_abort + + +

xxfi_abort

+ + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_abort)(
+	SMFICTX * ctx
+);
+
+Handle the current message's being aborted. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_abort may be called at any time during message processing (i.e. between some message-oriented routine and xxfi_eom).
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
ctxOpaque context structure. +
+
NOTES +
    +
  • xxfi_abort must reclaim any resources allocated on a per-message +basis, and must be tolerant of being called between any two +message-oriented callbacks. + +
  • Calls to xxfi_abort and xxfi_eom are +mutually exclusive. + +
  • xxfi_abort is not responsible for reclaiming connection-specific +data, since xxfi_close is always called +when a connection is closed. + +
  • Since the current message is already being aborted, the return +value is currently ignored. + +
  • xxfi_abort is only called if the message is aborted outside the +filter's control and the filter has not completed its +message-oriented processing. For example, if a filter has already +returned SMFIS_ACCEPT, SMFIS_REJECT, or SMFIS_DISCARD from a +message-oriented routine, xxfi_abort will not be called even if the +message is later aborted outside its control. +
+
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_body.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_body.html new file mode 100644 index 0000000000..044e9ce22f --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_body.html @@ -0,0 +1,83 @@ + +xxfi_body + + +

xxfi_body

+ + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_body)(
+	SMFICTX * ctx,
+	unsigned char * bodyp,
+	size_t len
+);
+
+Handle a piece of a message's body. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_body is called zero or more times between xxfi_eoh and xxfi_eom.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
bodypPointer to the start of this block of body data. bodyp is not valid outside this call to xxfi_body. +
lenThe amount of data pointed to by bodyp. +
+
NOTES +
    +
  • bodyp points to a sequence of bytes. +It is not a C string (a sequence of characters that is terminated by '\0'). +Therefore, do not use the usual C string functions like strlen() on this byte block. +Moreover, the byte sequence may contain '\0' characters inside the block. +Hence even if a trailing '\0' is added, C string functions may still fail +to work as expected. +
  • Since message bodies can be very large, defining xxfi_body can +significantly impact filter performance. +
  • End-of-lines are represented as received from SMTP (normally CR/LF). +
  • Later filters will see body changes made by earlier ones. +
  • Message bodies may be sent in multiple chunks, with one call to + xxfi_body per chunk. +
+
+ +
+ +Copyright (c) 2000-2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_close.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_close.html new file mode 100644 index 0000000000..99b36e66ac --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_close.html @@ -0,0 +1,81 @@ + +xxfi_close + + +

xxfi_close

+ + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_close)(
+	SMFICTX * ctx
+);
+
+The current connection is being closed. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_close is always called once at the end of each connection.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
ctxOpaque context structure. +
+
NOTES +
    +
  • xxfi_close may be called "out-of-order", i.e. before even the +xxfi_connect is called. +After a connection is established by the MTA to the filter, +if the MTA decides this connection's traffic will be discarded +(e.g. via an access_db result), no data will be passed to the +filter from the MTA until the client closes down. +At that time, xxfi_close is called. +It can therefore be the only callback ever used for a given connection, +and developers should anticipate this possibility when crafting their +xxfi_close code. +In particular, it is incorrect to assume the private context pointer +will be something other than NULL in this callback. +
  • xxfi_close is called on close even if the previous mail +transaction was aborted. +
  • xxfi_close is responsible for freeing any resources allocated on a +per-connection basis. +
  • Since the connection is already closing, the return value is +currently ignored. +
+
+ +
+ +Copyright (c) 2000, 2003, 2004 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_connect.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_connect.html new file mode 100644 index 0000000000..b39bc946f1 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_connect.html @@ -0,0 +1,113 @@ + +xxfi_connect + + +

xxfi_connect

+ + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_connect)(
+        SMFICTX    *ctx, 
+        char       *hostname,
+        _SOCK_ADDR *hostaddr);
+
+
DESCRIPTION + + + + + + + + + +
Called WhenOnce, at the start of each SMTP connection.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + + + + + +
ArgumentDescription
ctxthe opaque context structure. +
hostnamethe host name of the message sender, as determined by a + reverse lookup on the host address. If the reverse lookup + fails, hostname will contain the message sender's IP + address enclosed in square brackets (e.g. `[a.b.c.d]'). +
hostaddrthe host address, as determined by a getpeername() call on the SMTP socket. + NULL if the type is not supported in the current version or if + the SMTP connection is made via stdin. +
+
NOTESIf an earlier filter rejects the connection in its xxfi_connect() +routine, this filter's xxfi_connect() will not be called.
+ +
+ +Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_envfrom.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_envfrom.html new file mode 100644 index 0000000000..df9e0fc2cd --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_envfrom.html @@ -0,0 +1,95 @@ + +xxfi_envfrom + + +

xxfi_envfrom

+ + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_envfrom)(
+	SMFICTX * ctx,
+	char **	argv
+);
+
+Handle the envelope FROM command. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_envfrom is called once at the beginning of each message, before xxfi_envrcpt.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
argvNull-terminated SMTP command arguments; + argv[0] is guaranteed to be the sender address. + Later arguments are the ESMTP arguments. +
+
SPECIAL RETURN VALUES + + + + + + + + + + + + + + + + + +
Return valueDescription
SMFIS_TEMPFAILReject this sender and message with a temporary error; a new sender (and hence a new message) may subsequently be specified. xxfi_abort is not called. +
SMFIS_REJECTReject this sender and message; a new sender/message may be specified. xxfi_abort is not called. +
SMFIS_DISCARDAccept and silently discard this message. xxfi_abort is not called. +
SMFIS_ACCEPTAccept this message. xxfi_abort is not called. +
+
NOTESFor more details on ESTMP responses, please see RFC +1869.
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_envrcpt.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_envrcpt.html new file mode 100644 index 0000000000..e0c609421b --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_envrcpt.html @@ -0,0 +1,97 @@ + +xxfi_envrcpt + + +

xxfi_envrcpt

+ + + + + + + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_envrcpt)(
+	SMFICTX * ctx,
+	char ** argv
+);
+
+Handle the envelope RCPT command. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_envrcpt is called once per recipient, hence one or more times per message, immediately after xxfi_envfrom.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
argvNull-terminated SMTP command arguments; + argv[0] is guaranteed to be the recipient address. + Later arguments are the ESMTP arguments. +
+
SPECIAL RETURN VALUES + + + + + + + + + + + + + + + + + +
Return valueDescription
SMFIS_TEMPFAILTemporarily fail for this particular recipient; further recipients + may still be sent. xxfi_abort is not called. +
SMFIS_REJECTReject this particular recipient; further recipients may still be sent. + xxfi_abort is not called. +
SMFIS_DISCARDAccept and discard the message. xxfi_abort will be called. +
SMFIS_ACCEPTAccept recipient. xxfi_abort will not be called. +
+
NOTESFor more details on ESTMP responses, please see RFC +1869.
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_eoh.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_eoh.html new file mode 100644 index 0000000000..350ca969f5 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_eoh.html @@ -0,0 +1,56 @@ + +xxfi_eoh + + +

xxfi_eoh

+ + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_eoh)(
+	SMFICTX * ctx
+);
+
+Handle the end of message headers. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_eoh is called once after all headers have been sent and processed. +
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
ctxOpaque context structure. +
+
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_eom.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_eom.html new file mode 100644 index 0000000000..78c6943bab --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_eom.html @@ -0,0 +1,61 @@ + +xxfi_eom + + +

xxfi_eom

+ + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_eom)(
+	SMFICTX * ctx
+);
+
+End of a message. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_eom is called once after all calls to xxfi_body for a given message.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + +
ArgumentDescription
ctxOpaque context structure. +
+
NOTESA filter is required to make all its modifications to the message headers, body, and envelope in xxfi_eom. Modifications are made via the smfi_* routines. +
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_header.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_header.html new file mode 100644 index 0000000000..3ad3e5b2e7 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_header.html @@ -0,0 +1,77 @@ + +xxfi_header + + +

xxfi_header

+ + + + + + + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_header)(
+	SMFICTX * ctx,
+	char * headerf,
+	char * headerv
+);
+
+Handle a message header. +
DESCRIPTION + + + + + + + + + +
Called Whenxxfi_header is called zero or more times between xxfi_envrcpt and xxfi_eoh, once per message header.
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
headerf Header field name. +
headervHeader field value. The + content of the header may include folded white space (i.e. multiple + lines with following white space). The trailing line terminator (CR/LF) + is removed. +
+
NOTES +
    +
  • Later filters will see header changes/additions made by earlier ones. +
  • For much more detail about header format, please see +RFC 822 +
+
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/docs/xxfi_helo.html b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_helo.html new file mode 100644 index 0000000000..dc7bbf33ca --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/docs/xxfi_helo.html @@ -0,0 +1,62 @@ + +xxfi_helo + + +

xxfi_helo

+ + + + + + + + +
SYNOPSIS +
+#include <libmilter/mfapi.h>
+sfsistat (*xxfi_helo)(
+	SMFICTX * ctx, 
+	char * helohost
+);
+
+Handle the HELO/EHLO command. +
DESCRIPTION + + + + + + + + +
Called When xxfi_helo is called whenever the client +sends a HELO/EHLO command. It may therefore be called between zero and +three times
Default BehaviorDo nothing; return SMFIS_CONTINUE.
+ + +
ARGUMENTS + + + + + + +
ArgumentDescription
ctxOpaque context structure. +
helohostValue passed to HELO/EHLO command, which should be + the domain name of the sending host (but is, in practice, + anything the sending host wants to send). +
+
+ +
+ +Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers. +All rights reserved. +
+By using this file, you agree to the terms and conditions set +forth in the LICENSE. + + + diff --git a/contrib/sendmail-8.13.4/libmilter/engine.c b/contrib/sendmail-8.13.4/libmilter/engine.c new file mode 100644 index 0000000000..eeeb2c5099 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/engine.c @@ -0,0 +1,1250 @@ +/* + * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: engine.c,v 8.120 2004/10/20 21:09:00 ca Exp $") + +#include "libmilter.h" + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +/* generic argument for functions in the command table */ +struct arg_struct +{ + size_t a_len; /* length of buffer */ + char *a_buf; /* argument string */ + int a_idx; /* index for macro array */ + SMFICTX_PTR a_ctx; /* context */ +}; + +typedef struct arg_struct genarg; + +/* structure for commands received from MTA */ +struct cmdfct_t +{ + char cm_cmd; /* command */ + int cm_argt; /* type of arguments expected */ + int cm_next; /* next state */ + int cm_todo; /* what to do next */ + int cm_macros; /* index for macros */ + int (*cm_fct) __P((genarg *)); /* function to execute */ +}; + +typedef struct cmdfct_t cmdfct; + +/* possible values for cm_argt */ +#define CM_ARG0 0 /* no args */ +#define CM_ARG1 1 /* one arg (string) */ +#define CM_ARG2 2 /* two args (strings) */ +#define CM_ARGA 4 /* one string and _SOCK_ADDR */ +#define CM_ARGO 5 /* two integers */ +#define CM_ARGV 8 /* \0 separated list of args, NULL-terminated */ +#define CM_ARGN 9 /* \0 separated list of args (strings) */ + +/* possible values for cm_todo */ +#define CT_CONT 0x0000 /* continue reading commands */ +#define CT_IGNO 0x0001 /* continue even when error */ + +/* not needed right now, done via return code instead */ +#define CT_KEEP 0x0004 /* keep buffer (contains symbols) */ +#define CT_END 0x0008 /* start replying */ + +/* index in macro array: macros only for these commands */ +#define CI_NONE (-1) +#define CI_CONN 0 +#define CI_HELO 1 +#define CI_MAIL 2 +#define CI_RCPT 3 +#define CI_EOM 4 +#if CI_EOM >= MAX_MACROS_ENTRIES +ERROR: do not compile with CI_EOM >= MAX_MACROS_ENTRIES +#endif + +/* function prototypes */ +static int st_abortfct __P((genarg *)); +static int st_macros __P((genarg *)); +static int st_optionneg __P((genarg *)); +static int st_bodychunk __P((genarg *)); +static int st_connectinfo __P((genarg *)); +static int st_bodyend __P((genarg *)); +static int st_helo __P((genarg *)); +static int st_header __P((genarg *)); +static int st_sender __P((genarg *)); +static int st_rcpt __P((genarg *)); +#if SMFI_VERSION > 2 +static int st_unknown __P((genarg *)); +#endif /* SMFI_VERSION > 2 */ +#if SMFI_VERSION > 3 +static int st_data __P((genarg *)); +#endif /* SMFI_VERSION > 3 */ +static int st_eoh __P((genarg *)); +static int st_quit __P((genarg *)); +static int sendreply __P((sfsistat, socket_t, struct timeval *, SMFICTX_PTR)); +static void fix_stm __P((SMFICTX_PTR)); +static bool trans_ok __P((int, int)); +static char **dec_argv __P((char *, size_t)); +static int dec_arg2 __P((char *, size_t, char **, char **)); + +/* states */ +#define ST_NONE (-1) +#define ST_INIT 0 /* initial state */ +#define ST_OPTS 1 /* option negotiation */ +#define ST_CONN 2 /* connection info */ +#define ST_HELO 3 /* helo */ +#define ST_MAIL 4 /* mail from */ +#define ST_RCPT 5 /* rcpt to */ +#define ST_DATA 6 /* data */ +#define ST_HDRS 7 /* headers */ +#define ST_EOHS 8 /* end of headers */ +#define ST_BODY 9 /* body */ +#define ST_ENDM 10 /* end of message */ +#define ST_QUIT 11 /* quit */ +#define ST_ABRT 12 /* abort */ +#define ST_UNKN 13 /* unknown SMTP command */ +#define ST_LAST ST_UNKN /* last valid state */ +#define ST_SKIP 15 /* not a state but required for the state table */ + +/* in a mail transaction? must be before eom according to spec. */ +#define ST_IN_MAIL(st) ((st) >= ST_MAIL && (st) < ST_ENDM) + +/* +** set of next states +** each state (ST_*) corresponds to bit in an int value (1 << state) +** each state has a set of allowed transitions ('or' of bits of states) +** so a state transition is valid if the mask of the next state +** is set in the NX_* value +** this function is coded in trans_ok(), see below. +*/ + +#define MI_MASK(x) (0x0001 << (x)) /* generate a bit "mask" for a state */ +#define NX_INIT (MI_MASK(ST_OPTS)) +#define NX_OPTS (MI_MASK(ST_CONN) | MI_MASK(ST_UNKN)) +#define NX_CONN (MI_MASK(ST_HELO) | MI_MASK(ST_MAIL) | MI_MASK(ST_UNKN)) +#define NX_HELO (MI_MASK(ST_HELO) | MI_MASK(ST_MAIL) | MI_MASK(ST_UNKN)) +#define NX_MAIL (MI_MASK(ST_RCPT) | MI_MASK(ST_ABRT) | MI_MASK(ST_UNKN)) +#define NX_RCPT (MI_MASK(ST_HDRS) | MI_MASK(ST_EOHS) | MI_MASK(ST_DATA) | \ + MI_MASK(ST_BODY) | MI_MASK(ST_ENDM) | \ + MI_MASK(ST_RCPT) | MI_MASK(ST_ABRT) | MI_MASK(ST_UNKN)) +#define NX_DATA (MI_MASK(ST_EOHS) | MI_MASK(ST_HDRS) | MI_MASK(ST_ABRT)) +#define NX_HDRS (MI_MASK(ST_EOHS) | MI_MASK(ST_HDRS) | MI_MASK(ST_ABRT)) +#define NX_EOHS (MI_MASK(ST_BODY) | MI_MASK(ST_ENDM) | MI_MASK(ST_ABRT)) +#define NX_BODY (MI_MASK(ST_ENDM) | MI_MASK(ST_BODY) | MI_MASK(ST_ABRT)) +#define NX_ENDM (MI_MASK(ST_QUIT) | MI_MASK(ST_MAIL) | MI_MASK(ST_UNKN)) +#define NX_QUIT 0 +#define NX_ABRT 0 +#define NX_UNKN (MI_MASK(ST_HELO) | MI_MASK(ST_MAIL) | \ + MI_MASK(ST_RCPT) | MI_MASK(ST_ABRT) | \ + MI_MASK(ST_DATA) | \ + MI_MASK(ST_BODY) | MI_MASK(ST_UNKN) | \ + MI_MASK(ST_ABRT) | MI_MASK(ST_QUIT)) +#define NX_SKIP MI_MASK(ST_SKIP) + +static int next_states[] = +{ + NX_INIT, + NX_OPTS, + NX_CONN, + NX_HELO, + NX_MAIL, + NX_RCPT, + NX_DATA, + NX_HDRS, + NX_EOHS, + NX_BODY, + NX_ENDM, + NX_QUIT, + NX_ABRT, + NX_UNKN +}; + +/* commands received by milter */ +static cmdfct cmds[] = +{ +{SMFIC_ABORT, CM_ARG0, ST_ABRT, CT_CONT, CI_NONE, st_abortfct }, +{SMFIC_MACRO, CM_ARGV, ST_NONE, CT_KEEP, CI_NONE, st_macros }, +{SMFIC_BODY, CM_ARG1, ST_BODY, CT_CONT, CI_NONE, st_bodychunk }, +{SMFIC_CONNECT, CM_ARG2, ST_CONN, CT_CONT, CI_CONN, st_connectinfo }, +{SMFIC_BODYEOB, CM_ARG1, ST_ENDM, CT_CONT, CI_EOM, st_bodyend }, +{SMFIC_HELO, CM_ARG1, ST_HELO, CT_CONT, CI_HELO, st_helo }, +{SMFIC_HEADER, CM_ARG2, ST_HDRS, CT_CONT, CI_NONE, st_header }, +{SMFIC_MAIL, CM_ARGV, ST_MAIL, CT_CONT, CI_MAIL, st_sender }, +{SMFIC_OPTNEG, CM_ARGO, ST_OPTS, CT_CONT, CI_NONE, st_optionneg }, +{SMFIC_EOH, CM_ARG0, ST_EOHS, CT_CONT, CI_NONE, st_eoh }, +{SMFIC_QUIT, CM_ARG0, ST_QUIT, CT_END, CI_NONE, st_quit }, +#if SMFI_VERSION > 3 +{SMFIC_DATA, CM_ARG0, ST_DATA, CT_CONT, CI_NONE, st_data }, +#endif /* SMFI_VERSION > 3 */ +{SMFIC_RCPT, CM_ARGV, ST_RCPT, CT_IGNO, CI_RCPT, st_rcpt } +#if SMFI_VERSION > 2 +,{SMFIC_UNKNOWN,CM_ARG1, ST_UNKN, CT_IGNO, CI_NONE, st_unknown } +#endif /* SMFI_VERSION > 2 */ +}; + +/* additional (internal) reply codes */ +#define _SMFIS_KEEP 20 +#define _SMFIS_ABORT 21 +#define _SMFIS_OPTIONS 22 +#define _SMFIS_NOREPLY 23 +#define _SMFIS_FAIL (-1) +#define _SMFIS_NONE (-2) + +/* +** MI_ENGINE -- receive commands and process them +** +** Parameters: +** ctx -- context structure +** +** Returns: +** MI_FAILURE/MI_SUCCESS +*/ +int +mi_engine(ctx) + SMFICTX_PTR ctx; +{ + size_t len; + int i; + socket_t sd; + int ret = MI_SUCCESS; + int ncmds = sizeof(cmds) / sizeof(cmdfct); + int curstate = ST_INIT; + int newstate; + bool call_abort; + sfsistat r; + char cmd; + char *buf = NULL; + genarg arg; + struct timeval timeout; + int (*f) __P((genarg *)); + sfsistat (*fi_abort) __P((SMFICTX *)); + sfsistat (*fi_close) __P((SMFICTX *)); + + arg.a_ctx = ctx; + sd = ctx->ctx_sd; + fi_abort = ctx->ctx_smfi->xxfi_abort; + mi_clr_macros(ctx, 0); + fix_stm(ctx); + r = _SMFIS_NONE; + do + { + /* call abort only if in a mail transaction */ + call_abort = ST_IN_MAIL(curstate); + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + if (mi_stop() == MILTER_ABRT) + { + if (ctx->ctx_dbg > 3) + sm_dprintf("[%d] milter_abort\n", + (int) ctx->ctx_id); + ret = MI_FAILURE; + break; + } + + /* + ** Notice: buf is allocated by mi_rd_cmd() and it will + ** usually be free()d after it has been used in f(). + ** However, if the function returns _SMFIS_KEEP then buf + ** contains macros and will not be free()d. + ** Hence r must be set to _SMFIS_NONE if a new buf is + ** allocated to avoid problem with housekeeping, esp. + ** if the code "break"s out of the loop. + */ + + r = _SMFIS_NONE; + if ((buf = mi_rd_cmd(sd, &timeout, &cmd, &len, + ctx->ctx_smfi->xxfi_name)) == NULL && + cmd < SMFIC_VALIDCMD) + { + if (ctx->ctx_dbg > 5) + sm_dprintf("[%d] mi_engine: mi_rd_cmd error (%x)\n", + (int) ctx->ctx_id, (int) cmd); + + /* + ** eof is currently treated as failure -> + ** abort() instead of close(), otherwise use: + ** if (cmd != SMFIC_EOF) + */ + + ret = MI_FAILURE; + break; + } + if (ctx->ctx_dbg > 4) + sm_dprintf("[%d] got cmd '%c' len %d\n", + (int) ctx->ctx_id, cmd, (int) len); + for (i = 0; i < ncmds; i++) + { + if (cmd == cmds[i].cm_cmd) + break; + } + if (i >= ncmds) + { + /* unknown command */ + if (ctx->ctx_dbg > 1) + sm_dprintf("[%d] cmd '%c' unknown\n", + (int) ctx->ctx_id, cmd); + ret = MI_FAILURE; + break; + } + if ((f = cmds[i].cm_fct) == NULL) + { + /* stop for now */ + if (ctx->ctx_dbg > 1) + sm_dprintf("[%d] cmd '%c' not impl\n", + (int) ctx->ctx_id, cmd); + ret = MI_FAILURE; + break; + } + + /* is new state ok? */ + newstate = cmds[i].cm_next; + if (ctx->ctx_dbg > 5) + sm_dprintf("[%d] cur %x new %x nextmask %x\n", + (int) ctx->ctx_id, + curstate, newstate, next_states[curstate]); + + if (newstate != ST_NONE && !trans_ok(curstate, newstate)) + { + if (ctx->ctx_dbg > 1) + sm_dprintf("[%d] abort: cur %d (%x) new %d (%x) next %x\n", + (int) ctx->ctx_id, + curstate, MI_MASK(curstate), + newstate, MI_MASK(newstate), + next_states[curstate]); + + /* call abort only if in a mail transaction */ + if (fi_abort != NULL && call_abort) + (void) (*fi_abort)(ctx); + + /* + ** try to reach the new state from HELO + ** if it can't be reached, ignore the command. + */ + + curstate = ST_HELO; + if (!trans_ok(curstate, newstate)) + { + if (buf != NULL) + { + free(buf); + buf = NULL; + } + continue; + } + } + arg.a_len = len; + arg.a_buf = buf; + if (newstate != ST_NONE) + { + curstate = newstate; + ctx->ctx_state = curstate; + } + arg.a_idx = cmds[i].cm_macros; + call_abort = ST_IN_MAIL(curstate); + + /* call function to deal with command */ + r = (*f)(&arg); + if (r != _SMFIS_KEEP && buf != NULL) + { + free(buf); + buf = NULL; + } + if (sendreply(r, sd, &timeout, ctx) != MI_SUCCESS) + { + ret = MI_FAILURE; + break; + } + + if (r == SMFIS_ACCEPT) + { + /* accept mail, no further actions taken */ + curstate = ST_HELO; + } + else if (r == SMFIS_REJECT || r == SMFIS_DISCARD || + r == SMFIS_TEMPFAIL) + { + /* + ** further actions depend on current state + ** if the IGNO bit is set: "ignore" the error, + ** i.e., stay in the current state + */ + if (!bitset(CT_IGNO, cmds[i].cm_todo)) + curstate = ST_HELO; + } + else if (r == _SMFIS_ABORT) + { + if (ctx->ctx_dbg > 5) + sm_dprintf("[%d] function returned abort\n", + (int) ctx->ctx_id); + ret = MI_FAILURE; + break; + } + } while (!bitset(CT_END, cmds[i].cm_todo)); + + if (ret != MI_SUCCESS) + { + /* call abort only if in a mail transaction */ + if (fi_abort != NULL && call_abort) + (void) (*fi_abort)(ctx); + } + + /* close must always be called */ + if ((fi_close = ctx->ctx_smfi->xxfi_close) != NULL) + (void) (*fi_close)(ctx); + if (r != _SMFIS_KEEP && buf != NULL) + free(buf); + mi_clr_macros(ctx, 0); + return ret; +} +/* +** SENDREPLY -- send a reply to the MTA +** +** Parameters: +** r -- reply code +** sd -- socket descriptor +** timeout_ptr -- (ptr to) timeout to use for sending +** ctx -- context structure +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +static int +sendreply(r, sd, timeout_ptr, ctx) + sfsistat r; + socket_t sd; + struct timeval *timeout_ptr; + SMFICTX_PTR ctx; +{ + int ret = MI_SUCCESS; + + switch (r) + { + case SMFIS_CONTINUE: + ret = mi_wr_cmd(sd, timeout_ptr, SMFIR_CONTINUE, NULL, 0); + break; + case SMFIS_TEMPFAIL: + case SMFIS_REJECT: + if (ctx->ctx_reply != NULL && + ((r == SMFIS_TEMPFAIL && *ctx->ctx_reply == '4') || + (r == SMFIS_REJECT && *ctx->ctx_reply == '5'))) + { + ret = mi_wr_cmd(sd, timeout_ptr, SMFIR_REPLYCODE, + ctx->ctx_reply, + strlen(ctx->ctx_reply) + 1); + free(ctx->ctx_reply); + ctx->ctx_reply = NULL; + } + else + { + ret = mi_wr_cmd(sd, timeout_ptr, r == SMFIS_REJECT ? + SMFIR_REJECT : SMFIR_TEMPFAIL, NULL, 0); + } + break; + case SMFIS_DISCARD: + ret = mi_wr_cmd(sd, timeout_ptr, SMFIR_DISCARD, NULL, 0); + break; + case SMFIS_ACCEPT: + ret = mi_wr_cmd(sd, timeout_ptr, SMFIR_ACCEPT, NULL, 0); + break; + case _SMFIS_OPTIONS: + { + char buf[MILTER_OPTLEN]; + mi_int32 v; + + v = htonl(ctx->ctx_smfi->xxfi_version); + (void) memcpy(&(buf[0]), (void *) &v, MILTER_LEN_BYTES); + v = htonl(ctx->ctx_smfi->xxfi_flags); + (void) memcpy(&(buf[MILTER_LEN_BYTES]), (void *) &v, + MILTER_LEN_BYTES); + v = htonl(ctx->ctx_pflags); + (void) memcpy(&(buf[MILTER_LEN_BYTES * 2]), (void *) &v, + MILTER_LEN_BYTES); + ret = mi_wr_cmd(sd, timeout_ptr, SMFIC_OPTNEG, buf, + MILTER_OPTLEN); + } + break; + default: /* don't send a reply */ + break; + } + return ret; +} + +/* +** CLR_MACROS -- clear set of macros starting from a given index +** +** Parameters: +** ctx -- context structure +** m -- index from which to clear all macros +** +** Returns: +** None. +*/ +void +mi_clr_macros(ctx, m) + SMFICTX_PTR ctx; + int m; +{ + int i; + + for (i = m; i < MAX_MACROS_ENTRIES; i++) + { + if (ctx->ctx_mac_ptr[i] != NULL) + { + free(ctx->ctx_mac_ptr[i]); + ctx->ctx_mac_ptr[i] = NULL; + } + if (ctx->ctx_mac_buf[i] != NULL) + { + free(ctx->ctx_mac_buf[i]); + ctx->ctx_mac_buf[i] = NULL; + } + } +} +/* +** ST_OPTIONNEG -- negotiate options +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** abort/send options/continue +*/ + +static int +st_optionneg(g) + genarg *g; +{ + mi_int32 i, v; + + if (g == NULL || g->a_ctx->ctx_smfi == NULL) + return SMFIS_CONTINUE; + mi_clr_macros(g->a_ctx, g->a_idx + 1); + + /* check for minimum length */ + if (g->a_len < MILTER_OPTLEN) + { + smi_log(SMI_LOG_ERR, + "%s: st_optionneg[%d]: len too short %d < %d", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id, (int) g->a_len, + MILTER_OPTLEN); + return _SMFIS_ABORT; + } + + (void) memcpy((void *) &i, (void *) &(g->a_buf[0]), + MILTER_LEN_BYTES); + v = ntohl(i); + if (v < g->a_ctx->ctx_smfi->xxfi_version) + { + /* hard failure for now! */ + smi_log(SMI_LOG_ERR, + "%s: st_optionneg[%d]: version mismatch MTA: %d < milter: %d", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id, (int) v, + g->a_ctx->ctx_smfi->xxfi_version); + return _SMFIS_ABORT; + } + + (void) memcpy((void *) &i, (void *) &(g->a_buf[MILTER_LEN_BYTES]), + MILTER_LEN_BYTES); + v = ntohl(i); + + /* no flags? set to default value for V1 actions */ + if (v == 0) + v = SMFI_V1_ACTS; + i = g->a_ctx->ctx_smfi->xxfi_flags; + if ((v & i) != i) + { + smi_log(SMI_LOG_ERR, + "%s: st_optionneg[%d]: 0x%x does not fulfill action requirements 0x%x", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id, v, i); + return _SMFIS_ABORT; + } + + (void) memcpy((void *) &i, (void *) &(g->a_buf[MILTER_LEN_BYTES * 2]), + MILTER_LEN_BYTES); + v = ntohl(i); + + /* no flags? set to default value for V1 protocol */ + if (v == 0) + v = SMFI_V1_PROT; + i = g->a_ctx->ctx_pflags; + if ((v & i) != i) + { + smi_log(SMI_LOG_ERR, + "%s: st_optionneg[%d]: 0x%x does not fulfill protocol requirements 0x%x", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id, v, i); + return _SMFIS_ABORT; + } + + return _SMFIS_OPTIONS; +} +/* +** ST_CONNECTINFO -- receive connection information +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_connectinfo(g) + genarg *g; +{ + size_t l; + size_t i; + char *s, family; + unsigned short port = 0; + _SOCK_ADDR sockaddr; + sfsistat (*fi_connect) __P((SMFICTX *, char *, _SOCK_ADDR *)); + + if (g == NULL) + return _SMFIS_ABORT; + mi_clr_macros(g->a_ctx, g->a_idx + 1); + if (g->a_ctx->ctx_smfi == NULL || + (fi_connect = g->a_ctx->ctx_smfi->xxfi_connect) == NULL) + return SMFIS_CONTINUE; + + s = g->a_buf; + i = 0; + l = g->a_len; + while (s[i] != '\0' && i <= l) + ++i; + if (i + 1 >= l) + return _SMFIS_ABORT; + + /* Move past trailing \0 in host string */ + i++; + family = s[i++]; + (void) memset(&sockaddr, '\0', sizeof sockaddr); + if (family != SMFIA_UNKNOWN) + { + if (i + sizeof port >= l) + { + smi_log(SMI_LOG_ERR, + "%s: connect[%d]: wrong len %d >= %d", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id, (int) i, (int) l); + return _SMFIS_ABORT; + } + (void) memcpy((void *) &port, (void *) (s + i), + sizeof port); + i += sizeof port; + + /* make sure string is terminated */ + if (s[l - 1] != '\0') + return _SMFIS_ABORT; +# if NETINET + if (family == SMFIA_INET) + { + if (inet_aton(s + i, (struct in_addr *) &sockaddr.sin.sin_addr) + != 1) + { + smi_log(SMI_LOG_ERR, + "%s: connect[%d]: inet_aton failed", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id); + return _SMFIS_ABORT; + } + sockaddr.sa.sa_family = AF_INET; + if (port > 0) + sockaddr.sin.sin_port = port; + } + else +# endif /* NETINET */ +# if NETINET6 + if (family == SMFIA_INET6) + { + if (mi_inet_pton(AF_INET6, s + i, + &sockaddr.sin6.sin6_addr) != 1) + { + smi_log(SMI_LOG_ERR, + "%s: connect[%d]: mi_inet_pton failed", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id); + return _SMFIS_ABORT; + } + sockaddr.sa.sa_family = AF_INET6; + if (port > 0) + sockaddr.sin6.sin6_port = port; + } + else +# endif /* NETINET6 */ +# if NETUNIX + if (family == SMFIA_UNIX) + { + if (sm_strlcpy(sockaddr.sunix.sun_path, s + i, + sizeof sockaddr.sunix.sun_path) >= + sizeof sockaddr.sunix.sun_path) + { + smi_log(SMI_LOG_ERR, + "%s: connect[%d]: path too long", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id); + return _SMFIS_ABORT; + } + sockaddr.sunix.sun_family = AF_UNIX; + } + else +# endif /* NETUNIX */ + { + smi_log(SMI_LOG_ERR, + "%s: connect[%d]: unknown family %d", + g->a_ctx->ctx_smfi->xxfi_name, + (int) g->a_ctx->ctx_id, family); + return _SMFIS_ABORT; + } + } + return (*fi_connect)(g->a_ctx, g->a_buf, + family != SMFIA_UNKNOWN ? &sockaddr : NULL); +} + +/* +** ST_EOH -- end of headers +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_eoh(g) + genarg *g; +{ + sfsistat (*fi_eoh) __P((SMFICTX *)); + + if (g == NULL) + return _SMFIS_ABORT; + if (g->a_ctx->ctx_smfi != NULL && + (fi_eoh = g->a_ctx->ctx_smfi->xxfi_eoh) != NULL) + return (*fi_eoh)(g->a_ctx); + return SMFIS_CONTINUE; +} + +#if SMFI_VERSION > 3 +/* +** ST_DATA -- DATA command +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_data(g) + genarg *g; +{ + sfsistat (*fi_data) __P((SMFICTX *)); + + if (g == NULL) + return _SMFIS_ABORT; + if (g->a_ctx->ctx_smfi != NULL && + (fi_data = g->a_ctx->ctx_smfi->xxfi_data) != NULL) + return (*fi_data)(g->a_ctx); + return SMFIS_CONTINUE; +} +#endif /* SMFI_VERSION > 3 */ + +/* +** ST_HELO -- helo/ehlo command +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ +static int +st_helo(g) + genarg *g; +{ + sfsistat (*fi_helo) __P((SMFICTX *, char *)); + + if (g == NULL) + return _SMFIS_ABORT; + mi_clr_macros(g->a_ctx, g->a_idx + 1); + if (g->a_ctx->ctx_smfi != NULL && + (fi_helo = g->a_ctx->ctx_smfi->xxfi_helo) != NULL) + { + /* paranoia: check for terminating '\0' */ + if (g->a_len == 0 || g->a_buf[g->a_len - 1] != '\0') + return MI_FAILURE; + return (*fi_helo)(g->a_ctx, g->a_buf); + } + return SMFIS_CONTINUE; +} +/* +** ST_HEADER -- header line +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_header(g) + genarg *g; +{ + char *hf, *hv; + sfsistat (*fi_header) __P((SMFICTX *, char *, char *)); + + if (g == NULL) + return _SMFIS_ABORT; + if (g->a_ctx->ctx_smfi == NULL || + (fi_header = g->a_ctx->ctx_smfi->xxfi_header) == NULL) + return SMFIS_CONTINUE; + if (dec_arg2(g->a_buf, g->a_len, &hf, &hv) == MI_SUCCESS) + return (*fi_header)(g->a_ctx, hf, hv); + else + return _SMFIS_ABORT; +} + +#define ARGV_FCT(lf, rf, idx) \ + char **argv; \ + sfsistat (*lf) __P((SMFICTX *, char **)); \ + int r; \ + \ + if (g == NULL) \ + return _SMFIS_ABORT; \ + mi_clr_macros(g->a_ctx, g->a_idx + 1); \ + if (g->a_ctx->ctx_smfi == NULL || \ + (lf = g->a_ctx->ctx_smfi->rf) == NULL) \ + return SMFIS_CONTINUE; \ + if ((argv = dec_argv(g->a_buf, g->a_len)) == NULL) \ + return _SMFIS_ABORT; \ + r = (*lf)(g->a_ctx, argv); \ + free(argv); \ + return r; + +/* +** ST_SENDER -- MAIL FROM command +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_sender(g) + genarg *g; +{ + ARGV_FCT(fi_envfrom, xxfi_envfrom, CI_MAIL) +} +/* +** ST_RCPT -- RCPT TO command +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_rcpt(g) + genarg *g; +{ + ARGV_FCT(fi_envrcpt, xxfi_envrcpt, CI_RCPT) +} + +#if SMFI_VERSION > 2 +/* +** ST_UNKNOWN -- unrecognized or unimplemented command +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_unknown(g) + genarg *g; +{ + sfsistat (*fi_unknown) __P((SMFICTX *, char *)); + + if (g == NULL) + return _SMFIS_ABORT; + mi_clr_macros(g->a_ctx, g->a_idx + 1); + if (g->a_ctx->ctx_smfi != NULL && + (fi_unknown = g->a_ctx->ctx_smfi->xxfi_unknown) != NULL) + return (*fi_unknown)(g->a_ctx, g->a_buf); + return SMFIS_CONTINUE; +} +#endif /* SMFI_VERSION > 2 */ + +/* +** ST_MACROS -- deal with macros received from the MTA +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue/keep +** +** Side effects: +** set pointer in macro array to current values. +*/ + +static int +st_macros(g) + genarg *g; +{ + int i; + char **argv; + + if (g == NULL || g->a_len < 1) + return _SMFIS_FAIL; + if ((argv = dec_argv(g->a_buf + 1, g->a_len - 1)) == NULL) + return _SMFIS_FAIL; + switch (g->a_buf[0]) + { + case SMFIC_CONNECT: + i = CI_CONN; + break; + case SMFIC_HELO: + i = CI_HELO; + break; + case SMFIC_MAIL: + i = CI_MAIL; + break; + case SMFIC_RCPT: + i = CI_RCPT; + break; + case SMFIC_BODYEOB: + i = CI_EOM; + break; + default: + free(argv); + return _SMFIS_FAIL; + } + if (g->a_ctx->ctx_mac_ptr[i] != NULL) + free(g->a_ctx->ctx_mac_ptr[i]); + if (g->a_ctx->ctx_mac_buf[i] != NULL) + free(g->a_ctx->ctx_mac_buf[i]); + g->a_ctx->ctx_mac_ptr[i] = argv; + g->a_ctx->ctx_mac_buf[i] = g->a_buf; + return _SMFIS_KEEP; +} +/* +** ST_QUIT -- quit command +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** noreply +*/ + +/* ARGSUSED */ +static int +st_quit(g) + genarg *g; +{ + return _SMFIS_NOREPLY; +} +/* +** ST_BODYCHUNK -- deal with a piece of the mail body +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +*/ + +static int +st_bodychunk(g) + genarg *g; +{ + sfsistat (*fi_body) __P((SMFICTX *, unsigned char *, size_t)); + + if (g == NULL) + return _SMFIS_ABORT; + if (g->a_ctx->ctx_smfi != NULL && + (fi_body = g->a_ctx->ctx_smfi->xxfi_body) != NULL) + return (*fi_body)(g->a_ctx, (unsigned char *)g->a_buf, + g->a_len); + return SMFIS_CONTINUE; +} +/* +** ST_BODYEND -- deal with the last piece of the mail body +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** continue or filter-specified value +** +** Side effects: +** sends a reply for the body part (if non-empty). +*/ + +static int +st_bodyend(g) + genarg *g; +{ + sfsistat r; + sfsistat (*fi_body) __P((SMFICTX *, unsigned char *, size_t)); + sfsistat (*fi_eom) __P((SMFICTX *)); + + if (g == NULL) + return _SMFIS_ABORT; + r = SMFIS_CONTINUE; + if (g->a_ctx->ctx_smfi != NULL) + { + if ((fi_body = g->a_ctx->ctx_smfi->xxfi_body) != NULL && + g->a_len > 0) + { + socket_t sd; + struct timeval timeout; + + timeout.tv_sec = g->a_ctx->ctx_timeout; + timeout.tv_usec = 0; + sd = g->a_ctx->ctx_sd; + r = (*fi_body)(g->a_ctx, (unsigned char *)g->a_buf, + g->a_len); + if (r != SMFIS_CONTINUE && + sendreply(r, sd, &timeout, g->a_ctx) != MI_SUCCESS) + return _SMFIS_ABORT; + } + } + if (r == SMFIS_CONTINUE && + (fi_eom = g->a_ctx->ctx_smfi->xxfi_eom) != NULL) + return (*fi_eom)(g->a_ctx); + return r; +} +/* +** ST_ABORTFCT -- deal with aborts +** +** Parameters: +** g -- generic argument structure +** +** Returns: +** abort or filter-specified value +*/ + +static int +st_abortfct(g) + genarg *g; +{ + sfsistat (*fi_abort) __P((SMFICTX *)); + + if (g == NULL) + return _SMFIS_ABORT; + if (g != NULL && g->a_ctx->ctx_smfi != NULL && + (fi_abort = g->a_ctx->ctx_smfi->xxfi_abort) != NULL) + (void) (*fi_abort)(g->a_ctx); + return _SMFIS_NOREPLY; +} +/* +** TRANS_OK -- is the state transition ok? +** +** Parameters: +** old -- old state +** new -- new state +** +** Returns: +** state transition ok +*/ + +static bool +trans_ok(old, new) + int old, new; +{ + int s, n; + + s = old; + do + { + /* is this state transition allowed? */ + if ((MI_MASK(new) & next_states[s]) != 0) + return true; + + /* + ** no: try next state; + ** this works since the relevant states are ordered + ** strict sequentially + */ + + n = s + 1; + + /* + ** can we actually "skip" this state? + ** see fix_stm() which sets this bit for those + ** states which the filter program is not interested in + */ + + if (bitset(NX_SKIP, next_states[n])) + s = n; + else + return false; + } while (s <= ST_LAST); + return false; +} +/* +** FIX_STM -- add "skip" bits to the state transition table +** +** Parameters: +** ctx -- context structure +** +** Returns: +** None. +** +** Side effects: +** may change state transition table. +*/ + +static void +fix_stm(ctx) + SMFICTX_PTR ctx; +{ + unsigned long fl; + + if (ctx == NULL || ctx->ctx_smfi == NULL) + return; + fl = ctx->ctx_pflags; + if (bitset(SMFIP_NOCONNECT, fl)) + next_states[ST_CONN] |= NX_SKIP; + if (bitset(SMFIP_NOHELO, fl)) + next_states[ST_HELO] |= NX_SKIP; + if (bitset(SMFIP_NOMAIL, fl)) + next_states[ST_MAIL] |= NX_SKIP; + if (bitset(SMFIP_NORCPT, fl)) + next_states[ST_RCPT] |= NX_SKIP; + if (bitset(SMFIP_NOHDRS, fl)) + next_states[ST_HDRS] |= NX_SKIP; + if (bitset(SMFIP_NOEOH, fl)) + next_states[ST_EOHS] |= NX_SKIP; + if (bitset(SMFIP_NOBODY, fl)) + next_states[ST_BODY] |= NX_SKIP; +} +/* +** DEC_ARGV -- split a buffer into a list of strings, NULL terminated +** +** Parameters: +** buf -- buffer with several strings +** len -- length of buffer +** +** Returns: +** array of pointers to the individual strings +*/ + +static char ** +dec_argv(buf, len) + char *buf; + size_t len; +{ + char **s; + size_t i; + int elem, nelem; + + nelem = 0; + for (i = 0; i < len; i++) + { + if (buf[i] == '\0') + ++nelem; + } + if (nelem == 0) + return NULL; + + /* last entry is only for the name */ + s = (char **)malloc((nelem + 1) * (sizeof *s)); + if (s == NULL) + return NULL; + s[0] = buf; + for (i = 0, elem = 0; i < len && elem < nelem; i++) + { + if (buf[i] == '\0') + { + ++elem; + if (i + 1 >= len) + s[elem] = NULL; + else + s[elem] = &(buf[i + 1]); + } + } + + /* overwrite last entry (already done above, just paranoia) */ + s[elem] = NULL; + return s; +} +/* +** DEC_ARG2 -- split a buffer into two strings +** +** Parameters: +** buf -- buffer with two strings +** len -- length of buffer +** s1,s2 -- pointer to result strings +** +** Returns: +** MI_FAILURE/MI_SUCCESS +*/ + +static int +dec_arg2(buf, len, s1, s2) + char *buf; + size_t len; + char **s1; + char **s2; +{ + size_t i; + + /* paranoia: check for terminating '\0' */ + if (len == 0 || buf[len - 1] != '\0') + return MI_FAILURE; + *s1 = buf; + for (i = 1; i < len && buf[i] != '\0'; i++) + continue; + if (i >= len - 1) + return MI_FAILURE; + *s2 = buf + i + 1; + return MI_SUCCESS; +} +/* +** SENDOK -- is it ok for the filter to send stuff to the MTA? +** +** Parameters: +** ctx -- context structure +** flag -- flag to check +** +** Returns: +** sending allowed (in current state) +*/ + +bool +mi_sendok(ctx, flag) + SMFICTX_PTR ctx; + int flag; +{ + if (ctx == NULL || ctx->ctx_smfi == NULL) + return false; + + /* did the milter request this operation? */ + if (flag != 0 && !bitset(flag, ctx->ctx_smfi->xxfi_flags)) + return false; + + /* are we in the correct state? It must be "End of Message". */ + return ctx->ctx_state == ST_ENDM; +} diff --git a/contrib/sendmail-8.13.4/libmilter/handler.c b/contrib/sendmail-8.13.4/libmilter/handler.c new file mode 100644 index 0000000000..3acfc5fca3 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/handler.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: handler.c,v 8.36 2003/09/08 21:27:14 yuri Exp $") + +#include "libmilter.h" + + +/* +** HANDLE_SESSION -- Handle a connected session in its own context +** +** Parameters: +** ctx -- context structure +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +mi_handle_session(ctx) + SMFICTX_PTR ctx; +{ + int ret; + + if (ctx == NULL) + return MI_FAILURE; + ctx->ctx_id = (sthread_t) sthread_get_id(); + + /* + ** Detach so resources are free when the thread returns. + ** If we ever "wait" for threads, this call must be removed. + */ + + if (pthread_detach(ctx->ctx_id) != 0) + ret = MI_FAILURE; + else + ret = mi_engine(ctx); + if (ValidSocket(ctx->ctx_sd)) + { + (void) closesocket(ctx->ctx_sd); + ctx->ctx_sd = INVALID_SOCKET; + } + if (ctx->ctx_reply != NULL) + { + free(ctx->ctx_reply); + ctx->ctx_reply = NULL; + } + if (ctx->ctx_privdata != NULL) + { + smi_log(SMI_LOG_WARN, + "%s: private data not NULL", + ctx->ctx_smfi->xxfi_name); + } + mi_clr_macros(ctx, 0); + free(ctx); + ctx = NULL; + return ret; +} diff --git a/contrib/sendmail-8.13.4/libmilter/libmilter.h b/contrib/sendmail-8.13.4/libmilter/libmilter.h new file mode 100644 index 0000000000..65b0a47d9a --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/libmilter.h @@ -0,0 +1,187 @@ +/* + * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +/* +** LIBMILTER.H -- include file for mail filter library functions +*/ + +#ifndef _LIBMILTER_H +# define _LIBMILTER_H 1 + +#include + +#ifdef _DEFINE +# define EXTERN +# define INIT(x) = x +SM_IDSTR(MilterlId, "@(#)$Id: libmilter.h,v 8.50 2003/12/11 18:14:34 ca Exp $") +#else /* _DEFINE */ +# define EXTERN extern +# define INIT(x) +#endif /* _DEFINE */ + + +#define NOT_SENDMAIL 1 +#define _SOCK_ADDR union bigsockaddr +#include "sendmail.h" + +#include "libmilter/milter.h" + +# define ValidSocket(sd) ((sd) >= 0) +# define INVALID_SOCKET (-1) +# define closesocket close +# define MI_SOCK_READ(s, b, l) read(s, b, l) +# define MI_SOCK_READ_FAIL(x) ((x) < 0) +# define MI_SOCK_WRITE(s, b, l) write(s, b, l) + +# define thread_create(ptid,wr,arg) pthread_create(ptid, NULL, wr, arg) +# define sthread_get_id() pthread_self() + +typedef pthread_mutex_t smutex_t; +# define smutex_init(mp) (pthread_mutex_init(mp, NULL) == 0) +# define smutex_destroy(mp) (pthread_mutex_destroy(mp) == 0) +# define smutex_lock(mp) (pthread_mutex_lock(mp) == 0) +# define smutex_unlock(mp) (pthread_mutex_unlock(mp) == 0) +# define smutex_trylock(mp) (pthread_mutex_trylock(mp) == 0) + +#if SM_CONF_POLL + +# include +# define MI_POLLSELECT "poll" + +# define MI_POLL_RD_FLAGS (POLLIN | POLLPRI) +# define MI_POLL_WR_FLAGS (POLLOUT) +# define MI_MS(timeout) (((timeout)->tv_sec * 1000) + (timeout)->tv_usec) + +# define FD_RD_VAR(rds, excs) struct pollfd rds +# define FD_WR_VAR(wrs) struct pollfd wrs + +# define FD_RD_INIT(sd, rds, excs) \ + (rds).fd = (sd); \ + (rds).events = MI_POLL_RD_FLAGS; \ + (rds).revents = 0 + +# define FD_WR_INIT(sd, wrs) \ + (wrs).fd = (sd); \ + (wrs).events = MI_POLL_WR_FLAGS; \ + (wrs).revents = 0 + +# define FD_IS_RD_EXC(sd, rds, excs) \ + (((rds).revents & (POLLERR | POLLHUP | POLLNVAL)) != 0) + +# define FD_IS_WR_RDY(sd, wrs) \ + (((wrs).revents & MI_POLL_WR_FLAGS) != 0) + +# define FD_IS_RD_RDY(sd, rds, excs) \ + (((rds).revents & MI_POLL_RD_FLAGS) != 0) + +# define FD_WR_READY(sd, excs, timeout) \ + poll(&(wrs), 1, MI_MS(timeout)) + +# define FD_RD_READY(sd, rds, excs, timeout) \ + poll(&(rds), 1, MI_MS(timeout)) + +#else /* SM_CONF_POLL */ + +# include +# define MI_POLLSELECT "select" + +# define FD_RD_VAR(rds, excs) fd_set rds, excs +# define FD_WR_VAR(wrs) fd_set wrs + +# define FD_RD_INIT(sd, rds, excs) \ + FD_ZERO(&(rds)); \ + FD_SET((unsigned int) (sd), &(rds)); \ + FD_ZERO(&(excs)); \ + FD_SET((unsigned int) (sd), &(excs)) + +# define FD_WR_INIT(sd, wrs) \ + FD_ZERO(&(wrs)); \ + FD_SET((unsigned int) (sd), &(wrs)); \ + +# define FD_IS_RD_EXC(sd, rds, excs) FD_ISSET(sd, &(excs)) +# define FD_IS_WR_RDY(sd, wrs) FD_ISSET((sd), &(wrs)) +# define FD_IS_RD_RDY(sd, rds, excs) FD_ISSET((sd), &(rds)) + +# define FD_WR_READY(sd, wrs, timeout) \ + select((sd) + 1, NULL, &(wrs), NULL, (timeout)) +# define FD_RD_READY(sd, rds, excs, timeout) \ + select((sd) + 1, &(rds), NULL, &(excs), (timeout)) + +#endif /* SM_CONF_POLL */ + +#include + +/* version info */ +#define MILTER_PRODUCT_NAME "libmilter" +#define MILTER_VERSION 100 + +/* some defaults */ +#define MI_TIMEOUT 7210 /* default timeout for read/write */ +#define MI_CHK_TIME 5 /* checking whether to terminate */ + +#ifndef MI_SOMAXCONN +# if SOMAXCONN > 20 +# define MI_SOMAXCONN SOMAXCONN +# else /* SOMAXCONN */ +# define MI_SOMAXCONN 20 +# endif /* SOMAXCONN */ +#endif /* ! MI_SOMAXCONN */ + +/* maximum number of repeated failures in mi_listener() */ +#define MAX_FAILS_M 16 /* malloc() */ +#define MAX_FAILS_T 16 /* thread creation */ +#define MAX_FAILS_A 16 /* accept() */ +#define MAX_FAILS_S 16 /* select() */ + +/* internal "commands", i.e., error codes */ +#define SMFIC_TIMEOUT ((char) 1) /* timeout */ +#define SMFIC_SELECT ((char) 2) /* select error */ +#define SMFIC_MALLOC ((char) 3) /* malloc error */ +#define SMFIC_RECVERR ((char) 4) /* recv() error */ +#define SMFIC_EOF ((char) 5) /* eof */ +#define SMFIC_UNKNERR ((char) 6) /* unknown error */ +#define SMFIC_TOOBIG ((char) 7) /* body chunk too big */ +#define SMFIC_VALIDCMD ' ' /* first valid command */ + +/* hack */ +#define smi_log syslog +#define sm_dprintf (void) printf +#define milter_ret int +#define SMI_LOG_ERR LOG_ERR +#define SMI_LOG_FATAL LOG_ERR +#define SMI_LOG_WARN LOG_WARNING +#define SMI_LOG_INFO LOG_INFO +#define SMI_LOG_DEBUG LOG_DEBUG + +/* stop? */ +#define MILTER_CONT 0 +#define MILTER_STOP 1 +#define MILTER_ABRT 2 + +/* functions */ +extern int mi_handle_session __P((SMFICTX_PTR)); +extern int mi_engine __P((SMFICTX_PTR)); +extern int mi_listener __P((char *, int, smfiDesc_ptr, time_t, int)); +extern void mi_clr_macros __P((SMFICTX_PTR, int)); +extern int mi_stop __P((void)); +extern int mi_control_startup __P((char *)); +extern void mi_stop_milters __P((int)); +extern void mi_clean_signals __P((void)); +extern struct hostent *mi_gethostbyname __P((char *, int)); +extern int mi_inet_pton __P((int, const char *, void *)); +extern void mi_closener __P((void)); +extern int mi_opensocket __P((char *, int, int, bool, smfiDesc_ptr)); + +/* communication functions */ +extern char *mi_rd_cmd __P((socket_t, struct timeval *, char *, size_t *, char *)); +extern int mi_wr_cmd __P((socket_t, struct timeval *, int, char *, size_t)); +extern bool mi_sendok __P((SMFICTX_PTR, int)); + + +#endif /* ! _LIBMILTER_H */ diff --git a/contrib/sendmail-8.13.4/libmilter/listener.c b/contrib/sendmail-8.13.4/libmilter/listener.c new file mode 100644 index 0000000000..adecc5a113 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/listener.c @@ -0,0 +1,953 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: listener.c,v 8.111 2004/09/20 21:11:15 msk Exp $") + +/* +** listener.c -- threaded network listener +*/ + +#include "libmilter.h" +#include + +#include +#include + + +# if NETINET || NETINET6 +# include +# endif /* NETINET || NETINET6 */ + +static smutex_t L_Mutex; +static int L_family; +static SOCKADDR_LEN_T L_socksize; +static socket_t listenfd = INVALID_SOCKET; + +static socket_t mi_milteropen __P((char *, int, bool, char *)); +static void *mi_thread_handle_wrapper __P((void *)); + +/* +** MI_OPENSOCKET -- create the socket where this filter and the MTA will meet +** +** Parameters: +** conn -- connection description +** backlog -- listen backlog +** dbg -- debug level +** rmsocket -- if true, try to unlink() the socket first +** (UNIX domain sockets only) +** smfi -- filter structure to use +** +** Return value: +** MI_SUCCESS/MI_FAILURE +*/ + +int +mi_opensocket(conn, backlog, dbg, rmsocket, smfi) + char *conn; + int backlog; + int dbg; + bool rmsocket; + smfiDesc_ptr smfi; +{ + if (smfi == NULL || conn == NULL) + return MI_FAILURE; + + if (ValidSocket(listenfd)) + return MI_SUCCESS; + + if (dbg > 0) + { + smi_log(SMI_LOG_DEBUG, + "%s: Opening listen socket on conn %s", + smfi->xxfi_name, conn); + } + (void) smutex_init(&L_Mutex); + (void) smutex_lock(&L_Mutex); + listenfd = mi_milteropen(conn, backlog, rmsocket, smfi->xxfi_name); + if (!ValidSocket(listenfd)) + { + smi_log(SMI_LOG_FATAL, + "%s: Unable to create listening socket on conn %s", + smfi->xxfi_name, conn); + (void) smutex_unlock(&L_Mutex); + return MI_FAILURE; + } +#if !SM_CONF_POLL + if (!SM_FD_OK_SELECT(listenfd)) + { + smi_log(SMI_LOG_ERR, "%s: fd %d is larger than FD_SETSIZE %d", + smfi->xxfi_name, listenfd, FD_SETSIZE); + (void) smutex_unlock(&L_Mutex); + return MI_FAILURE; + } +#endif /* !SM_CONF_POLL */ + (void) smutex_unlock(&L_Mutex); + return MI_SUCCESS; +} + +/* +** MI_MILTEROPEN -- setup socket to listen on +** +** Parameters: +** conn -- connection description +** backlog -- listen backlog +** rmsocket -- if true, try to unlink() the socket first +** (UNIX domain sockets only) +** name -- name for logging +** +** Returns: +** socket upon success, error code otherwise. +** +** Side effect: +** sets sockpath if UNIX socket. +*/ + +#if NETUNIX +static char *sockpath = NULL; +#endif /* NETUNIX */ + +static socket_t +mi_milteropen(conn, backlog, rmsocket, name) + char *conn; + int backlog; + bool rmsocket; + char *name; +{ + socket_t sock; + int sockopt = 1; + int fdflags; + size_t len = 0; + char *p; + char *colon; + char *at; + SOCKADDR addr; + + if (conn == NULL || conn[0] == '\0') + { + smi_log(SMI_LOG_ERR, "%s: empty or missing socket information", + name); + return INVALID_SOCKET; + } + (void) memset(&addr, '\0', sizeof addr); + + /* protocol:filename or protocol:port@host */ + p = conn; + colon = strchr(p, ':'); + if (colon != NULL) + { + *colon = '\0'; + + if (*p == '\0') + { +#if NETUNIX + /* default to AF_UNIX */ + addr.sa.sa_family = AF_UNIX; + L_socksize = sizeof (struct sockaddr_un); +#else /* NETUNIX */ +# if NETINET + /* default to AF_INET */ + addr.sa.sa_family = AF_INET; + L_socksize = sizeof addr.sin; +# else /* NETINET */ +# if NETINET6 + /* default to AF_INET6 */ + addr.sa.sa_family = AF_INET6; + L_socksize = sizeof addr.sin6; +# else /* NETINET6 */ + /* no protocols available */ + smi_log(SMI_LOG_ERR, + "%s: no valid socket protocols available", + name); + return INVALID_SOCKET; +# endif /* NETINET6 */ +# endif /* NETINET */ +#endif /* NETUNIX */ + } +#if NETUNIX + else if (strcasecmp(p, "unix") == 0 || + strcasecmp(p, "local") == 0) + { + addr.sa.sa_family = AF_UNIX; + L_socksize = sizeof (struct sockaddr_un); + } +#endif /* NETUNIX */ +#if NETINET + else if (strcasecmp(p, "inet") == 0) + { + addr.sa.sa_family = AF_INET; + L_socksize = sizeof addr.sin; + } +#endif /* NETINET */ +#if NETINET6 + else if (strcasecmp(p, "inet6") == 0) + { + addr.sa.sa_family = AF_INET6; + L_socksize = sizeof addr.sin6; + } +#endif /* NETINET6 */ + else + { + smi_log(SMI_LOG_ERR, "%s: unknown socket type %s", + name, p); + return INVALID_SOCKET; + } + *colon++ = ':'; + } + else + { + colon = p; +#if NETUNIX + /* default to AF_UNIX */ + addr.sa.sa_family = AF_UNIX; + L_socksize = sizeof (struct sockaddr_un); +#else /* NETUNIX */ +# if NETINET + /* default to AF_INET */ + addr.sa.sa_family = AF_INET; + L_socksize = sizeof addr.sin; +# else /* NETINET */ +# if NETINET6 + /* default to AF_INET6 */ + addr.sa.sa_family = AF_INET6; + L_socksize = sizeof addr.sin6; +# else /* NETINET6 */ + smi_log(SMI_LOG_ERR, "%s: unknown socket type %s", + name, p); + return INVALID_SOCKET; +# endif /* NETINET6 */ +# endif /* NETINET */ +#endif /* NETUNIX */ + } + +#if NETUNIX + if (addr.sa.sa_family == AF_UNIX) + { +# if 0 + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; +# endif /* 0 */ + + at = colon; + len = strlen(colon) + 1; + if (len >= sizeof addr.sunix.sun_path) + { + errno = EINVAL; + smi_log(SMI_LOG_ERR, "%s: UNIX socket name %s too long", + name, colon); + return INVALID_SOCKET; + } + (void) sm_strlcpy(addr.sunix.sun_path, colon, + sizeof addr.sunix.sun_path); +# if 0 + errno = safefile(colon, RunAsUid, RunAsGid, RunAsUserName, sff, + S_IRUSR|S_IWUSR, NULL); + + /* if not safe, don't create */ + if (errno != 0) + { + smi_log(SMI_LOG_ERR, + "%s: UNIX socket name %s unsafe", + name, colon); + return INVALID_SOCKET; + } +# endif /* 0 */ + } +#endif /* NETUNIX */ + +#if NETINET || NETINET6 + if ( +# if NETINET + addr.sa.sa_family == AF_INET +# endif /* NETINET */ +# if NETINET && NETINET6 + || +# endif /* NETINET && NETINET6 */ +# if NETINET6 + addr.sa.sa_family == AF_INET6 +# endif /* NETINET6 */ + ) + { + unsigned short port; + + /* Parse port@host */ + at = strchr(colon, '@'); + if (at == NULL) + { + switch (addr.sa.sa_family) + { +# if NETINET + case AF_INET: + addr.sin.sin_addr.s_addr = INADDR_ANY; + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + addr.sin6.sin6_addr = in6addr_any; + break; +# endif /* NETINET6 */ + } + } + else + *at = '\0'; + + if (isascii(*colon) && isdigit(*colon)) + port = htons((unsigned short) atoi(colon)); + else + { +# ifdef NO_GETSERVBYNAME + smi_log(SMI_LOG_ERR, "%s: invalid port number %s", + name, colon); + return INVALID_SOCKET; +# else /* NO_GETSERVBYNAME */ + register struct servent *sp; + + sp = getservbyname(colon, "tcp"); + if (sp == NULL) + { + smi_log(SMI_LOG_ERR, + "%s: unknown port name %s", + name, colon); + return INVALID_SOCKET; + } + port = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + if (at != NULL) + { + *at++ = '@'; + if (*at == '[') + { + char *end; + + end = strchr(at, ']'); + if (end != NULL) + { + bool found = false; +# if NETINET + unsigned long hid = INADDR_NONE; +# endif /* NETINET */ +# if NETINET6 + struct sockaddr_in6 hid6; +# endif /* NETINET6 */ + + *end = '\0'; +# if NETINET + if (addr.sa.sa_family == AF_INET && + (hid = inet_addr(&at[1])) != INADDR_NONE) + { + addr.sin.sin_addr.s_addr = hid; + addr.sin.sin_port = port; + found = true; + } +# endif /* NETINET */ +# if NETINET6 + (void) memset(&hid6, '\0', sizeof hid6); + if (addr.sa.sa_family == AF_INET6 && + mi_inet_pton(AF_INET6, &at[1], + &hid6.sin6_addr) == 1) + { + addr.sin6.sin6_addr = hid6.sin6_addr; + addr.sin6.sin6_port = port; + found = true; + } +# endif /* NETINET6 */ + *end = ']'; + if (!found) + { + smi_log(SMI_LOG_ERR, + "%s: Invalid numeric domain spec \"%s\"", + name, at); + return INVALID_SOCKET; + } + } + else + { + smi_log(SMI_LOG_ERR, + "%s: Invalid numeric domain spec \"%s\"", + name, at); + return INVALID_SOCKET; + } + } + else + { + struct hostent *hp = NULL; + + hp = mi_gethostbyname(at, addr.sa.sa_family); + if (hp == NULL) + { + smi_log(SMI_LOG_ERR, + "%s: Unknown host name %s", + name, at); + return INVALID_SOCKET; + } + addr.sa.sa_family = hp->h_addrtype; + switch (hp->h_addrtype) + { +# if NETINET + case AF_INET: + (void) memmove(&addr.sin.sin_addr, + hp->h_addr, + INADDRSZ); + addr.sin.sin_port = port; + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + (void) memmove(&addr.sin6.sin6_addr, + hp->h_addr, + IN6ADDRSZ); + addr.sin6.sin6_port = port; + break; +# endif /* NETINET6 */ + + default: + smi_log(SMI_LOG_ERR, + "%s: Unknown protocol for %s (%d)", + name, at, hp->h_addrtype); + return INVALID_SOCKET; + } +# if NETINET6 + freehostent(hp); +# endif /* NETINET6 */ + } + } + else + { + switch (addr.sa.sa_family) + { +# if NETINET + case AF_INET: + addr.sin.sin_port = port; + break; +# endif /* NETINET */ +# if NETINET6 + case AF_INET6: + addr.sin6.sin6_port = port; + break; +# endif /* NETINET6 */ + } + } + } +#endif /* NETINET || NETINET6 */ + + sock = socket(addr.sa.sa_family, SOCK_STREAM, 0); + if (!ValidSocket(sock)) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to create new socket: %s", + name, sm_errstring(errno)); + return INVALID_SOCKET; + } + + if ((fdflags = fcntl(sock, F_GETFD, 0)) == -1 || + fcntl(sock, F_SETFD, fdflags | FD_CLOEXEC) == -1) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to set close-on-exec: %s", name, + sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + + if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *) &sockopt, + sizeof(sockopt)) == -1) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to setsockopt: %s", name, + sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + +#if NETUNIX + if (addr.sa.sa_family == AF_UNIX && rmsocket) + { + struct stat s; + + if (stat(colon, &s) != 0) + { + if (errno != ENOENT) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to stat() %s: %s", + name, colon, sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + } + else if (!S_ISSOCK(s.st_mode)) + { + smi_log(SMI_LOG_ERR, + "%s: %s is not a UNIX domain socket", + name, colon); + (void) closesocket(sock); + return INVALID_SOCKET; + } + else if (unlink(colon) != 0) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to remove %s: %s", + name, colon, sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + } +#endif /* NETUNIX */ + + if (bind(sock, &addr.sa, L_socksize) < 0) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to bind to port %s: %s", + name, conn, sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + + if (listen(sock, backlog) < 0) + { + smi_log(SMI_LOG_ERR, + "%s: listen call failed: %s", name, + sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + +#if NETUNIX + if (addr.sa.sa_family == AF_UNIX && len > 0) + { + /* + ** Set global variable sockpath so the UNIX socket can be + ** unlink()ed at exit. + */ + + sockpath = (char *) malloc(len); + if (sockpath != NULL) + (void) sm_strlcpy(sockpath, colon, len); + else + { + smi_log(SMI_LOG_ERR, + "%s: can't malloc(%d) for sockpath: %s", + name, (int) len, sm_errstring(errno)); + (void) closesocket(sock); + return INVALID_SOCKET; + } + } +#endif /* NETUNIX */ + L_family = addr.sa.sa_family; + return sock; +} +/* +** MI_THREAD_HANDLE_WRAPPER -- small wrapper to handle session +** +** Parameters: +** arg -- argument to pass to mi_handle_session() +** +** Returns: +** results from mi_handle_session() +*/ + +static void * +mi_thread_handle_wrapper(arg) + void *arg; +{ + return (void *) mi_handle_session(arg); +} + +/* +** MI_CLOSENER -- close listen socket +** +** NOTE: It is assumed that this function is called from a +** function that has a mutex lock (currently mi_stop_milters()). +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +void +mi_closener() +{ + (void) smutex_lock(&L_Mutex); + if (ValidSocket(listenfd)) + { +#if NETUNIX + bool removable; + struct stat sockinfo; + struct stat fileinfo; + + removable = sockpath != NULL && + geteuid() != 0 && + fstat(listenfd, &sockinfo) == 0 && + (S_ISFIFO(sockinfo.st_mode) +# ifdef S_ISSOCK + || S_ISSOCK(sockinfo.st_mode) +# endif /* S_ISSOCK */ + ); +#endif /* NETUNIX */ + + (void) closesocket(listenfd); + listenfd = INVALID_SOCKET; + +#if NETUNIX + /* XXX sleep() some time before doing this? */ + if (sockpath != NULL) + { + if (removable && + stat(sockpath, &fileinfo) == 0 && + ((fileinfo.st_dev == sockinfo.st_dev && + fileinfo.st_ino == sockinfo.st_ino) +# ifdef S_ISSOCK + || S_ISSOCK(fileinfo.st_mode) +# endif /* S_ISSOCK */ + ) + && + (S_ISFIFO(fileinfo.st_mode) +# ifdef S_ISSOCK + || S_ISSOCK(fileinfo.st_mode) +# endif /* S_ISSOCK */ + )) + (void) unlink(sockpath); + free(sockpath); + sockpath = NULL; + } +#endif /* NETUNIX */ + } + (void) smutex_unlock(&L_Mutex); +} + +/* +** MI_LISTENER -- Generic listener harness +** +** Open up listen port +** Wait for connections +** +** Parameters: +** conn -- connection description +** dbg -- debug level +** smfi -- filter structure to use +** timeout -- timeout for reads/writes +** backlog -- listen queue backlog size +** +** Returns: +** MI_SUCCESS -- Exited normally +** (session finished or we were told to exit) +** MI_FAILURE -- Network initialization failed. +*/ + +#if BROKEN_PTHREAD_SLEEP + +/* +** Solaris 2.6, perhaps others, gets an internal threads library panic +** when sleep() is used: +** +** thread_create() failed, returned 11 (EINVAL) +** co_enable, thr_create() returned error = 24 +** libthread panic: co_enable failed (PID: 17793 LWP 1) +** stacktrace: +** ef526b10 +** ef52646c +** ef534cbc +** 156a4 +** 14644 +** 1413c +** 135e0 +** 0 +*/ + +# define MI_SLEEP(s) \ +{ \ + int rs = 0; \ + struct timeval st; \ + \ + st.tv_sec = (s); \ + st.tv_usec = 0; \ + if (st.tv_sec > 0) \ + { \ + for (;;) \ + { \ + rs = select(0, NULL, NULL, NULL, &st); \ + if (rs < 0 && errno == EINTR) \ + continue; \ + if (rs != 0) \ + { \ + smi_log(SMI_LOG_ERR, \ + "MI_SLEEP(): select() returned non-zero result %d, errno = %d", \ + rs, errno); \ + } \ + break; \ + } \ + } \ +} +#else /* BROKEN_PTHREAD_SLEEP */ +# define MI_SLEEP(s) sleep((s)) +#endif /* BROKEN_PTHREAD_SLEEP */ + +int +mi_listener(conn, dbg, smfi, timeout, backlog) + char *conn; + int dbg; + smfiDesc_ptr smfi; + time_t timeout; + int backlog; +{ + socket_t connfd = INVALID_SOCKET; +#if _FFR_DUP_FD + socket_t dupfd = INVALID_SOCKET; +#endif /* _FFR_DUP_FD */ + int sockopt = 1; + int r, mistop; + int ret = MI_SUCCESS; + int mcnt = 0; /* error count for malloc() failures */ + int tcnt = 0; /* error count for thread_create() failures */ + int acnt = 0; /* error count for accept() failures */ + int scnt = 0; /* error count for select() failures */ + int save_errno = 0; + sthread_t thread_id; + _SOCK_ADDR cliaddr; + SOCKADDR_LEN_T clilen; + SMFICTX_PTR ctx; + FD_RD_VAR(rds, excs); + struct timeval chktime; + + if (mi_opensocket(conn, backlog, dbg, false, smfi) == MI_FAILURE) + return MI_FAILURE; + + clilen = L_socksize; + while ((mistop = mi_stop()) == MILTER_CONT) + { + (void) smutex_lock(&L_Mutex); + if (!ValidSocket(listenfd)) + { + ret = MI_FAILURE; + smi_log(SMI_LOG_ERR, + "%s: listenfd=%d corrupted, terminating, errno=%d", + smfi->xxfi_name, listenfd, errno); + (void) smutex_unlock(&L_Mutex); + break; + } + + /* select on interface ports */ + FD_RD_INIT(listenfd, rds, excs); + chktime.tv_sec = MI_CHK_TIME; + chktime.tv_usec = 0; + r = FD_RD_READY(listenfd, rds, excs, &chktime); + if (r == 0) /* timeout */ + { + (void) smutex_unlock(&L_Mutex); + continue; /* just check mi_stop() */ + } + if (r < 0) + { + save_errno = errno; + (void) smutex_unlock(&L_Mutex); + if (save_errno == EINTR) + continue; + scnt++; + smi_log(SMI_LOG_ERR, + "%s: select() failed (%s), %s", + smfi->xxfi_name, sm_errstring(save_errno), + scnt >= MAX_FAILS_S ? "abort" : "try again"); + MI_SLEEP(scnt); + if (scnt >= MAX_FAILS_S) + { + ret = MI_FAILURE; + break; + } + continue; + } + if (!FD_IS_RD_RDY(listenfd, rds, excs)) + { + /* some error: just stop for now... */ + ret = MI_FAILURE; + (void) smutex_unlock(&L_Mutex); + smi_log(SMI_LOG_ERR, + "%s: %s() returned exception for socket, abort", + smfi->xxfi_name, MI_POLLSELECT); + break; + } + scnt = 0; /* reset error counter for select() */ + + (void) memset(&cliaddr, '\0', sizeof cliaddr); + connfd = accept(listenfd, (struct sockaddr *) &cliaddr, + &clilen); + save_errno = errno; + (void) smutex_unlock(&L_Mutex); + + /* + ** If remote side closes before + ** accept() finishes, sockaddr + ** might not be fully filled in. + */ + + if (ValidSocket(connfd) && + (clilen == 0 || +# ifdef BSD4_4_SOCKADDR + cliaddr.sa.sa_len == 0 || +# endif /* BSD4_4_SOCKADDR */ + cliaddr.sa.sa_family != L_family)) + { + (void) closesocket(connfd); + connfd = INVALID_SOCKET; + save_errno = EINVAL; + } + +#if !SM_CONF_POLL + /* check if acceptable for select() */ + if (ValidSocket(connfd) && !SM_FD_OK_SELECT(connfd)) + { + (void) closesocket(connfd); + connfd = INVALID_SOCKET; + save_errno = ERANGE; + } +#endif /* !SM_CONF_POLL */ + + if (!ValidSocket(connfd)) + { + if (save_errno == EINTR +#ifdef EAGAIN + || save_errno == EAGAIN +#endif /* EAGAIN */ +#ifdef ECONNABORTED + || save_errno == ECONNABORTED +#endif /* ECONNABORTED */ +#ifdef EMFILE + || save_errno == EMFILE +#endif /* EMFILE */ +#ifdef ENFILE + || save_errno == ENFILE +#endif /* ENFILE */ +#ifdef ENOBUFS + || save_errno == ENOBUFS +#endif /* ENOBUFS */ +#ifdef ENOMEM + || save_errno == ENOMEM +#endif /* ENOMEM */ +#ifdef ENOSR + || save_errno == ENOSR +#endif /* ENOSR */ +#ifdef EWOULDBLOCK + || save_errno == EWOULDBLOCK +#endif /* EWOULDBLOCK */ + ) + continue; + acnt++; + smi_log(SMI_LOG_ERR, + "%s: accept() returned invalid socket (%s), %s", + smfi->xxfi_name, sm_errstring(save_errno), + acnt >= MAX_FAILS_A ? "abort" : "try again"); + MI_SLEEP(acnt); + if (acnt >= MAX_FAILS_A) + { + ret = MI_FAILURE; + break; + } + continue; + } + acnt = 0; /* reset error counter for accept() */ +#if _FFR_DUP_FD + dupfd = fcntl(connfd, F_DUPFD, 256); + if (ValidSocket(dupfd) +# if !SM_CONF_POLL + && SM_FD_OK_SELECT(dupfd) +# endif /* !SM_CONF_POLL */ + ) + { + close(connfd); + connfd = dupfd; + dupfd = INVALID_SOCKET; + } +#endif /* _FFR_DUP_FD */ + + if (setsockopt(connfd, SOL_SOCKET, SO_KEEPALIVE, + (void *) &sockopt, sizeof sockopt) < 0) + { + smi_log(SMI_LOG_WARN, "%s: setsockopt() failed (%s)", + smfi->xxfi_name, sm_errstring(errno)); + /* XXX: continue? */ + } + if ((ctx = (SMFICTX_PTR) malloc(sizeof *ctx)) == NULL) + { + (void) closesocket(connfd); + mcnt++; + smi_log(SMI_LOG_ERR, "%s: malloc(ctx) failed (%s), %s", + smfi->xxfi_name, sm_errstring(save_errno), + mcnt >= MAX_FAILS_M ? "abort" : "try again"); + MI_SLEEP(mcnt); + if (mcnt >= MAX_FAILS_M) + { + ret = MI_FAILURE; + break; + } + continue; + } + mcnt = 0; /* reset error counter for malloc() */ + (void) memset(ctx, '\0', sizeof *ctx); + ctx->ctx_sd = connfd; + ctx->ctx_dbg = dbg; + ctx->ctx_timeout = timeout; + ctx->ctx_smfi = smfi; +#if 0 + if (smfi->xxfi_eoh == NULL) + if (smfi->xxfi_eom == NULL) + if (smfi->xxfi_abort == NULL) + if (smfi->xxfi_close == NULL) +#endif /* 0 */ + if (smfi->xxfi_connect == NULL) + ctx->ctx_pflags |= SMFIP_NOCONNECT; + if (smfi->xxfi_helo == NULL) + ctx->ctx_pflags |= SMFIP_NOHELO; + if (smfi->xxfi_envfrom == NULL) + ctx->ctx_pflags |= SMFIP_NOMAIL; + if (smfi->xxfi_envrcpt == NULL) + ctx->ctx_pflags |= SMFIP_NORCPT; + if (smfi->xxfi_header == NULL) + ctx->ctx_pflags |= SMFIP_NOHDRS; + if (smfi->xxfi_eoh == NULL) + ctx->ctx_pflags |= SMFIP_NOEOH; + if (smfi->xxfi_body == NULL) + ctx->ctx_pflags |= SMFIP_NOBODY; + + if ((r = thread_create(&thread_id, + mi_thread_handle_wrapper, + (void *) ctx)) != 0) + { + tcnt++; + smi_log(SMI_LOG_ERR, + "%s: thread_create() failed: %d, %s", + smfi->xxfi_name, r, + tcnt >= MAX_FAILS_T ? "abort" : "try again"); + MI_SLEEP(tcnt); + (void) closesocket(connfd); + free(ctx); + if (tcnt >= MAX_FAILS_T) + { + ret = MI_FAILURE; + break; + } + continue; + } + tcnt = 0; + } + if (ret != MI_SUCCESS) + mi_stop_milters(MILTER_ABRT); + else + { + if (mistop != MILTER_CONT) + smi_log(SMI_LOG_INFO, "%s: mi_stop=%d", + smfi->xxfi_name, mistop); + mi_closener(); + } + (void) smutex_destroy(&L_Mutex); + return ret; +} diff --git a/contrib/sendmail-8.13.4/libmilter/main.c b/contrib/sendmail-8.13.4/libmilter/main.c new file mode 100644 index 0000000000..8692127b83 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/main.c @@ -0,0 +1,243 @@ +/* + * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: main.c,v 8.79 2003/10/20 22:25:09 ca Exp $") + +#define _DEFINE 1 +#include "libmilter.h" +#include +#include + + +static smfiDesc_ptr smfi = NULL; + +/* +** SMFI_REGISTER -- register a filter description +** +** Parameters: +** smfilter -- description of filter to register +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_register(smfilter) + smfiDesc_str smfilter; +{ + size_t len; + + if (smfi == NULL) + { + smfi = (smfiDesc_ptr) malloc(sizeof *smfi); + if (smfi == NULL) + return MI_FAILURE; + } + (void) memcpy(smfi, &smfilter, sizeof *smfi); + if (smfilter.xxfi_name == NULL) + smfilter.xxfi_name = "Unknown"; + + len = strlen(smfilter.xxfi_name) + 1; + smfi->xxfi_name = (char *) malloc(len); + if (smfi->xxfi_name == NULL) + return MI_FAILURE; + (void) sm_strlcpy(smfi->xxfi_name, smfilter.xxfi_name, len); + + /* compare milter version with hard coded version */ + if (smfi->xxfi_version != SMFI_VERSION) + { + /* hard failure for now! */ + smi_log(SMI_LOG_ERR, + "%s: smfi_register: version mismatch application: %d != milter: %d", + smfi->xxfi_name, smfi->xxfi_version, + (int) SMFI_VERSION); + + /* XXX how about smfi? */ + free(smfi->xxfi_name); + return MI_FAILURE; + } + + return MI_SUCCESS; +} + +/* +** SMFI_STOP -- stop milter +** +** Parameters: +** none. +** +** Returns: +** success. +*/ + +int +smfi_stop() +{ + mi_stop_milters(MILTER_STOP); + return MI_SUCCESS; +} + +/* +** Default values for some variables. +** Most of these can be changed with the functions below. +*/ + +static int dbg = 0; +static char *conn = NULL; +static int timeout = MI_TIMEOUT; +static int backlog = MI_SOMAXCONN; + +/* +** SMFI_OPENSOCKET -- try the socket setup to make sure we'll be +** able to start up +** +** Parameters: +** rmsocket -- if true, instructs libmilter to attempt +** to remove the socket before creating it; +** only applies for "local:" or "unix:" sockets +** +** Return: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_opensocket(rmsocket) + bool rmsocket; +{ + if (smfi == NULL || conn == NULL) + return MI_FAILURE; + + return mi_opensocket(conn, backlog, dbg, rmsocket, smfi); +} + +/* +** SMFI_SETDBG -- set debug level. +** +** Parameters: +** odbg -- new debug level. +** +** Returns: +** MI_SUCCESS +*/ + +int +smfi_setdbg(odbg) + int odbg; +{ + dbg = odbg; + return MI_SUCCESS; +} + +/* +** SMFI_SETTIMEOUT -- set timeout (for read/write). +** +** Parameters: +** otimeout -- new timeout. +** +** Returns: +** MI_SUCCESS +*/ + +int +smfi_settimeout(otimeout) + int otimeout; +{ + timeout = otimeout; + return MI_SUCCESS; +} + +/* +** SMFI_SETCONN -- set connection information (socket description) +** +** Parameters: +** oconn -- new connection information. +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_setconn(oconn) + char *oconn; +{ + size_t l; + + if (oconn == NULL || *oconn == '\0') + return MI_FAILURE; + l = strlen(oconn) + 1; + if ((conn = (char *) malloc(l)) == NULL) + return MI_FAILURE; + if (sm_strlcpy(conn, oconn, l) >= l) + return MI_FAILURE; + return MI_SUCCESS; +} + +/* +** SMFI_SETBACKLOG -- set backlog +** +** Parameters: +** obacklog -- new backlog. +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_setbacklog(obacklog) + int obacklog; +{ + if (obacklog <= 0) + return MI_FAILURE; + backlog = obacklog; + return MI_SUCCESS; +} + + +/* +** SMFI_MAIN -- setup milter connnection and start listener. +** +** Parameters: +** none. +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_main() +{ + int r; + + (void) signal(SIGPIPE, SIG_IGN); + if (conn == NULL) + { + smi_log(SMI_LOG_FATAL, "%s: missing connection information", + smfi->xxfi_name); + return MI_FAILURE; + } + + (void) atexit(mi_clean_signals); + if (mi_control_startup(smfi->xxfi_name) != MI_SUCCESS) + { + smi_log(SMI_LOG_FATAL, + "%s: Couldn't start signal thread", + smfi->xxfi_name); + return MI_FAILURE; + } + r = MI_SUCCESS; + + /* Startup the listener */ + if (mi_listener(conn, dbg, smfi, timeout, backlog) != MI_SUCCESS) + r = MI_FAILURE; + + return r; +} + diff --git a/contrib/sendmail-8.13.4/libmilter/signal.c b/contrib/sendmail-8.13.4/libmilter/signal.c new file mode 100644 index 0000000000..d55ab57e9b --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/signal.c @@ -0,0 +1,221 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: signal.c,v 8.42 2004/08/20 21:10:30 ca Exp $") + +#include "libmilter.h" + +/* +** thread to handle signals +*/ + +static smutex_t M_Mutex; + +static int MilterStop = MILTER_CONT; + +static void *mi_signal_thread __P((void *)); +static int mi_spawn_signal_thread __P((char *)); + +/* +** MI_STOP -- return value of MilterStop +** +** Parameters: +** none. +** +** Returns: +** value of MilterStop +*/ + +int +mi_stop() +{ + return MilterStop; +} +/* +** MI_STOP_MILTERS -- set value of MilterStop +** +** Parameters: +** v -- new value for MilterStop. +** +** Returns: +** none. +*/ + +void +mi_stop_milters(v) + int v; +{ + (void) smutex_lock(&M_Mutex); + if (MilterStop < v) + MilterStop = v; + + /* close listen socket */ + mi_closener(); + (void) smutex_unlock(&M_Mutex); +} +/* +** MI_CLEAN_SIGNALS -- clean up signal handler thread +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +void +mi_clean_signals() +{ + (void) smutex_destroy(&M_Mutex); +} +/* +** MI_SIGNAL_THREAD -- thread to deal with signals +** +** Parameters: +** name -- name of milter +** +** Returns: +** NULL +*/ + +static void * +mi_signal_thread(name) + void *name; +{ + int sig, errs; + sigset_t set; + + (void) sigemptyset(&set); + (void) sigaddset(&set, SIGHUP); + (void) sigaddset(&set, SIGTERM); + + /* Handle Ctrl-C gracefully for debugging */ + (void) sigaddset(&set, SIGINT); + errs = 0; + + for (;;) + { + sig = 0; +#if defined(SOLARIS) || defined(__svr5__) + if ((sig = sigwait(&set)) < 0) +#else /* defined(SOLARIS) || defined(__svr5__) */ + if (sigwait(&set, &sig) != 0) +#endif /* defined(SOLARIS) || defined(__svr5__) */ + { + /* this can happen on OSF/1 (at least) */ + if (errno == EINTR) + continue; + smi_log(SMI_LOG_ERR, + "%s: sigwait returned error: %d", + (char *)name, errno); + if (++errs > MAX_FAILS_T) + { + mi_stop_milters(MILTER_ABRT); + return NULL; + } + continue; + } + errs = 0; + + switch (sig) + { + case SIGHUP: + case SIGTERM: + mi_stop_milters(MILTER_STOP); + return NULL; + case SIGINT: + mi_stop_milters(MILTER_ABRT); + return NULL; + default: + smi_log(SMI_LOG_ERR, + "%s: sigwait returned unmasked signal: %d", + (char *)name, sig); + break; + } + } + /* NOTREACHED */ +} +/* +** MI_SPAWN_SIGNAL_THREAD -- spawn thread to handle signals +** +** Parameters: +** name -- name of milter +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +static int +mi_spawn_signal_thread(name) + char *name; +{ + sthread_t tid; + int r; + sigset_t set; + + /* Mask HUP and KILL signals */ + (void) sigemptyset(&set); + (void) sigaddset(&set, SIGHUP); + (void) sigaddset(&set, SIGTERM); + (void) sigaddset(&set, SIGINT); + + if (pthread_sigmask(SIG_BLOCK, &set, NULL) != 0) + { + smi_log(SMI_LOG_ERR, + "%s: Couldn't mask HUP and KILL signals", name); + return MI_FAILURE; + } + r = thread_create(&tid, mi_signal_thread, (void *)name); + if (r != 0) + { + smi_log(SMI_LOG_ERR, + "%s: Couldn't start signal thread: %d", + name, r); + return MI_FAILURE; + } + return MI_SUCCESS; +} +/* +** MI_CONTROL_STARTUP -- startup for thread to handle signals +** +** Parameters: +** name -- name of milter +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +mi_control_startup(name) + char *name; +{ + + if (!smutex_init(&M_Mutex)) + { + smi_log(SMI_LOG_ERR, + "%s: Couldn't initialize control pipe mutex", name); + return MI_FAILURE; + } + + /* + ** spawn_signal_thread must happen before other threads are spawned + ** off so that it can mask the right signals and other threads + ** will inherit that mask. + */ + if (mi_spawn_signal_thread(name) == MI_FAILURE) + { + smi_log(SMI_LOG_ERR, + "%s: Couldn't spawn signal thread", name); + (void) smutex_destroy(&M_Mutex); + return MI_FAILURE; + } + return MI_SUCCESS; +} diff --git a/contrib/sendmail-8.13.4/libmilter/sm_gethost.c b/contrib/sendmail-8.13.4/libmilter/sm_gethost.c new file mode 100644 index 0000000000..5706b892b8 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/sm_gethost.c @@ -0,0 +1,148 @@ +/* + * Copyright (c) 1999-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: sm_gethost.c,v 8.27 2004/08/20 21:12:37 ca Exp $") + +#include +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ +#include "libmilter.h" + +/* +** MI_GETHOSTBY{NAME,ADDR} -- compatibility routines for gethostbyXXX +** +** Some operating systems have wierd problems with the gethostbyXXX +** routines. For example, Solaris versions at least through 2.3 +** don't properly deliver a canonical h_name field. This tries to +** work around these problems. +** +** Support IPv6 as well as IPv4. +*/ + +#if NETINET6 && NEEDSGETIPNODE + +static struct hostent *getipnodebyname __P((char *, int, int, int *)); + +# ifndef AI_ADDRCONFIG +# define AI_ADDRCONFIG 0 /* dummy */ +# endif /* ! AI_ADDRCONFIG */ +# ifndef AI_ALL +# define AI_ALL 0 /* dummy */ +# endif /* ! AI_ALL */ +# ifndef AI_DEFAULT +# define AI_DEFAULT 0 /* dummy */ +# endif /* ! AI_DEFAULT */ + +static struct hostent * +getipnodebyname(name, family, flags, err) + char *name; + int family; + int flags; + int *err; +{ + bool resv6 = true; + struct hostent *h; + + if (family == AF_INET6) + { + /* From RFC2133, section 6.1 */ + resv6 = bitset(RES_USE_INET6, _res.options); + _res.options |= RES_USE_INET6; + } + SM_SET_H_ERRNO(0); + h = gethostbyname(name); + if (family == AF_INET6 && !resv6) + _res.options &= ~RES_USE_INET6; + *err = h_errno; + return h; +} + +void +freehostent(h) + struct hostent *h; +{ + /* + ** Stub routine -- if they don't have getipnodeby*(), + ** they probably don't have the free routine either. + */ + + return; +} +#endif /* NEEDSGETIPNODE && NETINET6 */ + +struct hostent * +mi_gethostbyname(name, family) + char *name; + int family; +{ + struct hostent *h = NULL; +#if (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) +# if SOLARIS == 20300 || SOLARIS == 203 + static struct hostent hp; + static char buf[1000]; + extern struct hostent *_switch_gethostbyname_r(); + + h = _switch_gethostbyname_r(name, &hp, buf, sizeof(buf), &h_errno); +# else /* SOLARIS == 20300 || SOLARIS == 203 */ + extern struct hostent *__switch_gethostbyname(); + + h = __switch_gethostbyname(name); +# endif /* SOLARIS == 20300 || SOLARIS == 203 */ +#else /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) */ +# if NETINET6 + int flags = AI_DEFAULT|AI_ALL; + int err; +# endif /* NETINET6 */ + +# if NETINET6 +# if ADDRCONFIG_IS_BROKEN + flags &= ~AI_ADDRCONFIG; +# endif /* ADDRCONFIG_IS_BROKEN */ + h = getipnodebyname(name, family, flags, &err); + SM_SET_H_ERRNO(err); +# else /* NETINET6 */ + h = gethostbyname(name); +# endif /* NETINET6 */ + +#endif /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) */ + return h; +} + +#if NETINET6 +/* +** MI_INET_PTON -- convert printed form to network address. +** +** Wrapper for inet_pton() which handles IPv6: labels. +** +** Parameters: +** family -- address family +** src -- string +** dst -- destination address structure +** +** Returns: +** 1 if the address was valid +** 0 if the address wasn't parseable +** -1 if error +*/ + +int +mi_inet_pton(family, src, dst) + int family; + const char *src; + void *dst; +{ + if (family == AF_INET6 && + strncasecmp(src, "IPv6:", 5) == 0) + src += 5; + return inet_pton(family, src, dst); +} +#endif /* NETINET6 */ diff --git a/contrib/sendmail-8.13.4/libmilter/smfi.c b/contrib/sendmail-8.13.4/libmilter/smfi.c new file mode 100644 index 0000000000..d5f54c9206 --- /dev/null +++ b/contrib/sendmail-8.13.4/libmilter/smfi.c @@ -0,0 +1,648 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: smfi.c,v 8.73 2004/09/20 21:26:57 ca Exp $") +#include +#include "libmilter.h" + +static int smfi_header __P((SMFICTX *, int, int, char *, char *)); +static int myisenhsc __P((const char *, int)); + +/* for smfi_set{ml}reply, let's be generous. 256/16 should be sufficient */ +#define MAXREPLYLEN 980 /* max. length of a reply string */ +#define MAXREPLIES 32 /* max. number of reply strings */ + +/* +** SMFI_HEADER -- send a header to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** cmd -- Header modification command +** hdridx -- Header index +** headerf -- Header field name +** headerv -- Header field value +** +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +static int +smfi_header(ctx, cmd, hdridx, headerf, headerv) + SMFICTX *ctx; + int cmd; + int hdridx; + char *headerf; + char *headerv; +{ + size_t len, l1, l2, offset; + int r; + mi_int32 v; + char *buf; + struct timeval timeout; + + if (headerf == NULL || *headerf == '\0' || headerv == NULL) + return MI_FAILURE; + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + l1 = strlen(headerf) + 1; + l2 = strlen(headerv) + 1; + len = l1 + l2; + if (hdridx >= 0) + len += MILTER_LEN_BYTES; + buf = malloc(len); + if (buf == NULL) + return MI_FAILURE; + offset = 0; + if (hdridx >= 0) + { + v = htonl(hdridx); + (void) memcpy(&(buf[0]), (void *) &v, MILTER_LEN_BYTES); + offset += MILTER_LEN_BYTES; + } + (void) memcpy(buf + offset, headerf, l1); + (void) memcpy(buf + offset + l1, headerv, l2); + r = mi_wr_cmd(ctx->ctx_sd, &timeout, cmd, buf, len); + free(buf); + return r; +} + +/* +** SMFI_ADDHEADER -- send a new header to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** headerf -- Header field name +** headerv -- Header field value +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_addheader(ctx, headerf, headerv) + SMFICTX *ctx; + char *headerf; + char *headerv; +{ + if (!mi_sendok(ctx, SMFIF_ADDHDRS)) + return MI_FAILURE; + + return smfi_header(ctx, SMFIR_ADDHEADER, -1, headerf, headerv); +} + +/* +** SMFI_INSHEADER -- send a new header to the MTA (to be inserted) +** +** Parameters: +** ctx -- Opaque context structure +** hdridx -- index into header list where insertion should occur +** headerf -- Header field name +** headerv -- Header field value +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_insheader(ctx, hdridx, headerf, headerv) + SMFICTX *ctx; + int hdridx; + char *headerf; + char *headerv; +{ + if (!mi_sendok(ctx, SMFIF_ADDHDRS) || hdridx < 0) + return MI_FAILURE; + + return smfi_header(ctx, SMFIR_INSHEADER, hdridx, headerf, headerv); +} + +/* +** SMFI_CHGHEADER -- send a changed header to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** headerf -- Header field name +** hdridx -- Header index value +** headerv -- Header field value +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_chgheader(ctx, headerf, hdridx, headerv) + SMFICTX *ctx; + char *headerf; + mi_int32 hdridx; + char *headerv; +{ + if (!mi_sendok(ctx, SMFIF_CHGHDRS) || hdridx < 0) + return MI_FAILURE; + if (headerv == NULL) + headerv = ""; + + return smfi_header(ctx, SMFIR_CHGHEADER, hdridx, headerf, headerv); +} + +/* +** SMFI_ADDRCPT -- send an additional recipient to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** rcpt -- recipient address +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_addrcpt(ctx, rcpt) + SMFICTX *ctx; + char *rcpt; +{ + size_t len; + struct timeval timeout; + + if (rcpt == NULL || *rcpt == '\0') + return MI_FAILURE; + if (!mi_sendok(ctx, SMFIF_ADDRCPT)) + return MI_FAILURE; + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + len = strlen(rcpt) + 1; + return mi_wr_cmd(ctx->ctx_sd, &timeout, SMFIR_ADDRCPT, rcpt, len); +} + +/* +** SMFI_DELRCPT -- send a recipient to be removed to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** rcpt -- recipient address +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_delrcpt(ctx, rcpt) + SMFICTX *ctx; + char *rcpt; +{ + size_t len; + struct timeval timeout; + + if (rcpt == NULL || *rcpt == '\0') + return MI_FAILURE; + if (!mi_sendok(ctx, SMFIF_DELRCPT)) + return MI_FAILURE; + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + len = strlen(rcpt) + 1; + return mi_wr_cmd(ctx->ctx_sd, &timeout, SMFIR_DELRCPT, rcpt, len); +} + +/* +** SMFI_REPLACEBODY -- send a body chunk to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** bodyp -- body chunk +** bodylen -- length of body chunk +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_replacebody(ctx, bodyp, bodylen) + SMFICTX *ctx; + unsigned char *bodyp; + int bodylen; +{ + int len, off, r; + struct timeval timeout; + + if (bodylen < 0 || + (bodyp == NULL && bodylen > 0)) + return MI_FAILURE; + if (!mi_sendok(ctx, SMFIF_CHGBODY)) + return MI_FAILURE; + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + + /* split body chunk if necessary */ + off = 0; + while (bodylen > 0) + { + len = (bodylen >= MILTER_CHUNK_SIZE) ? MILTER_CHUNK_SIZE : + bodylen; + if ((r = mi_wr_cmd(ctx->ctx_sd, &timeout, SMFIR_REPLBODY, + (char *) (bodyp + off), len)) != MI_SUCCESS) + return r; + off += len; + bodylen -= len; + } + return MI_SUCCESS; +} + +/* +** SMFI_QUARANTINE -- quarantine an envelope +** +** Parameters: +** ctx -- Opaque context structure +** reason -- why? +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_quarantine(ctx, reason) + SMFICTX *ctx; + char *reason; +{ + size_t len; + int r; + char *buf; + struct timeval timeout; + + if (reason == NULL || *reason == '\0') + return MI_FAILURE; + if (!mi_sendok(ctx, SMFIF_QUARANTINE)) + return MI_FAILURE; + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + len = strlen(reason) + 1; + buf = malloc(len); + if (buf == NULL) + return MI_FAILURE; + (void) memcpy(buf, reason, len); + r = mi_wr_cmd(ctx->ctx_sd, &timeout, SMFIR_QUARANTINE, buf, len); + free(buf); + return r; +} + +/* +** MYISENHSC -- check whether a string contains an enhanced status code +** +** Parameters: +** s -- string with possible enhanced status code. +** delim -- delim for enhanced status code. +** +** Returns: +** 0 -- no enhanced status code. +** >4 -- length of enhanced status code. +** +** Side Effects: +** none. +*/ + +static int +myisenhsc(s, delim) + const char *s; + int delim; +{ + int l, h; + + if (s == NULL) + return 0; + if (!((*s == '2' || *s == '4' || *s == '5') && s[1] == '.')) + return 0; + h = 0; + l = 2; + while (h < 3 && isascii(s[l + h]) && isdigit(s[l + h])) + ++h; + if (h == 0 || s[l + h] != '.') + return 0; + l += h + 1; + h = 0; + while (h < 3 && isascii(s[l + h]) && isdigit(s[l + h])) + ++h; + if (h == 0 || s[l + h] != delim) + return 0; + return l + h; +} + +/* +** SMFI_SETREPLY -- set the reply code for the next reply to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** rcode -- The three-digit (RFC 821) SMTP reply code. +** xcode -- The extended (RFC 2034) reply code. +** message -- The text part of the SMTP reply. +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_setreply(ctx, rcode, xcode, message) + SMFICTX *ctx; + char *rcode; + char *xcode; + char *message; +{ + size_t len; + char *buf; + + if (rcode == NULL || ctx == NULL) + return MI_FAILURE; + + /* ### \0 */ + len = strlen(rcode) + 2; + if (len != 5) + return MI_FAILURE; + if ((rcode[0] != '4' && rcode[0] != '5') || + !isascii(rcode[1]) || !isdigit(rcode[1]) || + !isascii(rcode[2]) || !isdigit(rcode[2])) + return MI_FAILURE; + if (xcode != NULL) + { + if (!myisenhsc(xcode, '\0')) + return MI_FAILURE; + len += strlen(xcode) + 1; + } + if (message != NULL) + { + size_t ml; + + /* XXX check also for unprintable chars? */ + if (strpbrk(message, "\r\n") != NULL) + return MI_FAILURE; + ml = strlen(message); + if (ml > MAXREPLYLEN) + return MI_FAILURE; + len += ml + 1; + } + buf = malloc(len); + if (buf == NULL) + return MI_FAILURE; /* oops */ + (void) sm_strlcpy(buf, rcode, len); + (void) sm_strlcat(buf, " ", len); + if (xcode != NULL) + (void) sm_strlcat(buf, xcode, len); + if (message != NULL) + { + if (xcode != NULL) + (void) sm_strlcat(buf, " ", len); + (void) sm_strlcat(buf, message, len); + } + if (ctx->ctx_reply != NULL) + free(ctx->ctx_reply); + ctx->ctx_reply = buf; + return MI_SUCCESS; +} + +/* +** SMFI_SETMLREPLY -- set multiline reply code for the next reply to the MTA +** +** Parameters: +** ctx -- Opaque context structure +** rcode -- The three-digit (RFC 821) SMTP reply code. +** xcode -- The extended (RFC 2034) reply code. +** txt, ... -- The text part of the SMTP reply, +** MUST be terminated with NULL. +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +#if SM_VA_STD +smfi_setmlreply(SMFICTX *ctx, const char *rcode, const char *xcode, ...) +#else /* SM_VA_STD */ +smfi_setmlreply(ctx, rcode, xcode, va_alist) + SMFICTX *ctx; + const char *rcode; + const char *xcode; + va_dcl +#endif /* SM_VA_STD */ +{ + size_t len; + size_t rlen; + int args; + char *buf, *txt; + const char *xc; + char repl[16]; + SM_VA_LOCAL_DECL + + if (rcode == NULL || ctx == NULL) + return MI_FAILURE; + + /* ### */ + len = strlen(rcode) + 1; + if (len != 4) + return MI_FAILURE; + if ((rcode[0] != '4' && rcode[0] != '5') || + !isascii(rcode[1]) || !isdigit(rcode[1]) || + !isascii(rcode[2]) || !isdigit(rcode[2])) + return MI_FAILURE; + if (xcode != NULL) + { + if (!myisenhsc(xcode, '\0')) + return MI_FAILURE; + xc = xcode; + } + else + { + if (rcode[0] == '4') + xc = "4.0.0"; + else + xc = "5.0.0"; + } + + /* add trailing space */ + len += strlen(xc) + 1; + rlen = len; + args = 0; + SM_VA_START(ap, xcode); + while ((txt = SM_VA_ARG(ap, char *)) != NULL) + { + size_t tl; + + tl = strlen(txt); + if (tl > MAXREPLYLEN) + break; + + /* this text, reply codes, \r\n */ + len += tl + 2 + rlen; + if (++args > MAXREPLIES) + break; + + /* XXX check also for unprintable chars? */ + if (strpbrk(txt, "\r\n") != NULL) + break; + } + SM_VA_END(ap); + if (txt != NULL) + return MI_FAILURE; + + /* trailing '\0' */ + ++len; + buf = malloc(len); + if (buf == NULL) + return MI_FAILURE; /* oops */ + (void) sm_strlcpyn(buf, len, 3, rcode, args == 1 ? " " : "-", xc); + (void) sm_strlcpyn(repl, sizeof repl, 4, rcode, args == 1 ? " " : "-", + xc, " "); + SM_VA_START(ap, xcode); + txt = SM_VA_ARG(ap, char *); + if (txt != NULL) + { + (void) sm_strlcat2(buf, " ", txt, len); + while ((txt = SM_VA_ARG(ap, char *)) != NULL) + { + if (--args <= 1) + repl[3] = ' '; + (void) sm_strlcat2(buf, "\r\n", repl, len); + (void) sm_strlcat(buf, txt, len); + } + } + if (ctx->ctx_reply != NULL) + free(ctx->ctx_reply); + ctx->ctx_reply = buf; + SM_VA_END(ap); + return MI_SUCCESS; +} + +/* +** SMFI_SETPRIV -- set private data +** +** Parameters: +** ctx -- Opaque context structure +** privatedata -- pointer to private data +** +** Returns: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_setpriv(ctx, privatedata) + SMFICTX *ctx; + void *privatedata; +{ + if (ctx == NULL) + return MI_FAILURE; + ctx->ctx_privdata = privatedata; + return MI_SUCCESS; +} + +/* +** SMFI_GETPRIV -- get private data +** +** Parameters: +** ctx -- Opaque context structure +** +** Returns: +** pointer to private data +*/ + +void * +smfi_getpriv(ctx) + SMFICTX *ctx; +{ + if (ctx == NULL) + return NULL; + return ctx->ctx_privdata; +} + +/* +** SMFI_GETSYMVAL -- get the value of a macro +** +** See explanation in mfapi.h about layout of the structures. +** +** Parameters: +** ctx -- Opaque context structure +** symname -- name of macro +** +** Returns: +** value of macro (NULL in case of failure) +*/ + +char * +smfi_getsymval(ctx, symname) + SMFICTX *ctx; + char *symname; +{ + int i; + char **s; + char one[2]; + char braces[4]; + + if (ctx == NULL || symname == NULL || *symname == '\0') + return NULL; + + if (strlen(symname) == 3 && symname[0] == '{' && symname[2] == '}') + { + one[0] = symname[1]; + one[1] = '\0'; + } + else + one[0] = '\0'; + if (strlen(symname) == 1) + { + braces[0] = '{'; + braces[1] = *symname; + braces[2] = '}'; + braces[3] = '\0'; + } + else + braces[0] = '\0'; + + /* search backwards through the macro array */ + for (i = MAX_MACROS_ENTRIES - 1 ; i >= 0; --i) + { + if ((s = ctx->ctx_mac_ptr[i]) == NULL || + ctx->ctx_mac_buf[i] == NULL) + continue; + while (s != NULL && *s != NULL) + { + if (strcmp(*s, symname) == 0) + return *++s; + if (one[0] != '\0' && strcmp(*s, one) == 0) + return *++s; + if (braces[0] != '\0' && strcmp(*s, braces) == 0) + return *++s; + ++s; /* skip over macro value */ + ++s; /* points to next macro name */ + } + } + return NULL; +} + +/* +** SMFI_PROGRESS -- send "progress" message to the MTA to prevent premature +** timeouts during long milter-side operations +** +** Parameters: +** ctx -- Opaque context structure +** +** Return value: +** MI_SUCCESS/MI_FAILURE +*/ + +int +smfi_progress(ctx) + SMFICTX *ctx; +{ + struct timeval timeout; + + if (ctx == NULL) + return MI_FAILURE; + + timeout.tv_sec = ctx->ctx_timeout; + timeout.tv_usec = 0; + + return mi_wr_cmd(ctx->ctx_sd, &timeout, SMFIR_PROGRESS, NULL, 0); +} diff --git a/contrib/sendmail-8.13.4/libsm/Makefile b/contrib/sendmail-8.13.4/libsm/Makefile new file mode 100644 index 0000000000..c6c1a293d5 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 1.1 2000/03/27 19:26:48 dmoen Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/libsm/Makefile.m4 b/contrib/sendmail-8.13.4/libsm/Makefile.m4 new file mode 100644 index 0000000000..a77afeae26 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/Makefile.m4 @@ -0,0 +1,37 @@ +dnl $Id: Makefile.m4,v 1.68 2005/02/17 23:34:25 ca Exp $ +define(`confREQUIRE_LIBUNIX') +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +PREPENDDEF(`confENVDEF', `confMAPDEF') +bldPRODUCT_START(`library', `libsm') +define(`bldSOURCES', ` assert.c debug.c errstring.c exc.c heap.c match.c rpool.c strdup.c strerror.c strl.c clrerr.c fclose.c feof.c ferror.c fflush.c fget.c fpos.c findfp.c flags.c fopen.c fprintf.c fpurge.c fput.c fread.c fscanf.c fseek.c fvwrite.c fwalk.c fwrite.c get.c makebuf.c put.c refill.c rewind.c setvbuf.c smstdio.c snprintf.c sscanf.c stdio.c strio.c ungetc.c vasprintf.c vfprintf.c vfscanf.c vprintf.c vsnprintf.c wbuf.c wsetup.c string.c stringf.c xtrap.c strto.c test.c path.c strcasecmp.c strrevcmp.c signal.c clock.c config.c shm.c sem.c mbdb.c strexit.c cf.c ldap.c niprop.c mpeix.c ') +bldPRODUCT_END +dnl msg.c +dnl syslogio.c + +include(confBUILDTOOLSDIR`/M4/'bldM4_TYPE_DIR`/sm-test.m4') +smtest(`t-event', `run') +smtest(`t-exc', `run') +smtest(`t-rpool', `run') +smtest(`t-string', `run') +smtest(`t-smstdio', `run') +smtest(`t-match', `run') +smtest(`t-strio', `run') +smtest(`t-heap', `run') +smtest(`t-fopen', `run') +smtest(`t-strl', `run') +smtest(`t-strrevcmp', `run') +smtest(`t-types', `run') +smtest(`t-path', `run') +smtest(`t-float', `run') +smtest(`t-scanf', `run') +smtest(`t-shm', `run') +smtest(`t-sem', `run') +dnl smtest(`t-msg', `run') +smtest(`t-cf') +smtest(`b-strcmp') +dnl SM_CONF_STRL cannot be turned off +dnl smtest(`b-strl') + +bldFINISH diff --git a/contrib/sendmail-8.13.4/libsm/README b/contrib/sendmail-8.13.4/libsm/README new file mode 100644 index 0000000000..aff25a1c9e --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/README @@ -0,0 +1,132 @@ +# Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# $Id: README,v 1.24 2003/12/20 09:23:48 gshapiro Exp $ +# + +Libsm is a library of generally useful C abstractions. +For documentation, see index.html. + +Libsm stands alone; it depends on no other sendmail libraries, +and the only sendmail header files it depends on are its own, +which reside in ../include/sm. + +The t-*.c files are regression tests. +These tests are incomplete: we do not yet test all of the APIs, +and we have not yet converted all tests to use the test harness. +If a test fails read the explanation it generates. Sometimes it +is sufficient to change a compile time flag, which are also listed +below. If that does not help, check the sendmail/README files for +problems on your OS. + +The b-*.c files are benchmarks that compare system routines with +those provided by libsm. By default sendmail uses the routines +provided by the OS. In several cases, the routines provided by +libsm are faster than those of the OS. If your OS provides the +routines, you can compare the performance of them with the libsm +versions by running the programs with the option -d (by default +the programs just issue an explanation when/how to use them). +The programs are: + +b-strcmp.c tests strcasecmp(). + ++----------------------+ +| CONFIGURATION MACROS | ++----------------------+ + +Libsm uses a set of C preprocessor macros to specify platform specific +features of the C compiler and standard C libraries. + +If you are porting sendmail to a new platform, you may need to tweak +the values of some of these macros. + +The following macros are given default values in . +If the default value is wrong for a given platform, then a platform +specific value is specified in one of two ways: + + - A -D option is added to the confENVDEF macro; this change can be made + to the platform M4 file in devtools/OS, or to the site.config.m4 + file in devtools/Site. + + - The confSM_OS_HEADER macro in the platform M4 file defines sm_os_foo, + which forces "sm/os/sm_os_foo.h" to be included by "sm/config.h" via a + link that is made from "sm_os.h" to "sm/os/sm_os_foo.h". Platform + specific configuration macro settings are added to . + +SM_CONF_STDBOOL_H + Set to 1 if the header file exists, + and defines true, false and bool. + +SM_CONF_SYS_CDEFS_H + Set to 1 if the header file exists, + and defines __P. You may need to do this to eliminate + warnings about __P being multiply defined. + +SM_CONF_STDDEF_H + Set to 0 if the header file does not exist. + +SM_CONF_SETITIMER + Set to 0 if the setitimer function is not available. + +SM_CONF_SYSEXITS_H + Set to 1 if exists, and sets the EX_* macros + to values different from the default BSD values in . + +SM_CONF_UID_GID + Set to 0 if does not define uid_t and gid_t. + +SM_CONF_SSIZE_T + Set to 0 if does not define ssize_t. + +SM_CONF_BROKEN_SIZE_T + Set to 1 if size_t is not unsigned. + +SM_CONF_LONGLONG + Set to 1 if your C compiler supports the 'long long' type. + This will be set automatically if you use gcc or a C compiler + that conforms to the 1999 ISO C standard. + +SM_CONF_QUAD_T + Set to 1 if your C compiler does not support 'long long', + but defines quad_t as an integral type. + +SM_CONF_SHM + Set to 1 if System V shared memory APIs are available. + +SM_CONF_MSG + Set to 1 if System V message queues are available. + +SM_CONF_SEM + Set to 1 if semaphores are available. + +SM_CONF_BROKEN_STRTOD + Set to 1 if your strtod() does not work properly. + +SM_CONF_GETOPT + Set to 1 if your operating system does not include getopt(3). + +SM_CONF_LDAP_INITIALIZE + Set to 1 if your LDAP client libraries include ldap_initialize(3). + +SM_CONF_LDAP_MEMFREE + Set to 1 if your LDAP client libraries include ldap_memfree(3). + +SM_IO_MAX_BUF_FILE + Set this to a useful buffer size for regular files if stat(2) + does not return a value for st_blksize that is the + "optimal blocksize for I/O". + +SM_IO_MAX_BUF + Set this to a useful maximum buffer size for other than + regular files if stat(2) does not return a value for + st_blksize that is the "optimal blocksize for I/O". + +SM_IO_MIN_BUF + Set this to a useful minimum buffer size for other than + regular files if stat(2) does not return a value for + st_blksize that is the "optimal blocksize for I/O". + diff --git a/contrib/sendmail-8.13.4/libsm/assert.c b/contrib/sendmail-8.13.4/libsm/assert.c new file mode 100644 index 0000000000..7200a0f4cb --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/assert.c @@ -0,0 +1,187 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: assert.c,v 1.26 2003/12/05 22:45:24 ca Exp $") + +/* +** Abnormal program termination and assertion checking. +** For documentation, see assert.html. +*/ + +#include +#include +#include + +#include +#include +#include +#include + +/* +** Debug categories that are used to guard expensive assertion checks. +*/ + +SM_DEBUG_T SmExpensiveAssert = SM_DEBUG_INITIALIZER("sm_check_assert", + "@(#)$Debug: sm_check_assert - check assertions $"); + +SM_DEBUG_T SmExpensiveRequire = SM_DEBUG_INITIALIZER("sm_check_require", + "@(#)$Debug: sm_check_require - check function preconditions $"); + +SM_DEBUG_T SmExpensiveEnsure = SM_DEBUG_INITIALIZER("sm_check_ensure", + "@(#)$Debug: sm_check_ensure - check function postconditions $"); + +/* +** Debug category: send self SIGSTOP on fatal error, +** so that you can run a debugger on the stopped process. +*/ + +SM_DEBUG_T SmAbortStop = SM_DEBUG_INITIALIZER("sm_abort_stop", + "@(#)$Debug: sm_abort_stop - stop process on fatal error $"); + +/* +** SM_ABORT_DEFAULTHANDLER -- Default procedure for abnormal program +** termination. +** +** The goal is to display an error message without disturbing the +** process state too much, then dump core. +** +** Parameters: +** filename -- filename (can be NULL). +** lineno -- line number. +** msg -- message. +** +** Returns: +** doesn't return. +*/ + +static void +sm_abort_defaulthandler __P(( + const char *filename, + int lineno, + const char *msg)); + +static void +sm_abort_defaulthandler(filename, lineno, msg) + const char *filename; + int lineno; + const char *msg; +{ + if (filename != NULL) + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s:%d: %s\n", filename, + lineno, msg); + else + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n", msg); + sm_io_flush(smioerr, SM_TIME_DEFAULT); +#ifdef SIGSTOP + if (sm_debug_active(&SmAbortStop, 1)) + kill(getpid(), SIGSTOP); +#endif /* SIGSTOP */ + abort(); +} + +/* +** This is the action to be taken to cause abnormal program termination. +*/ + +static SM_ABORT_HANDLER_T SmAbortHandler = sm_abort_defaulthandler; + +/* +** SM_ABORT_SETHANDLER -- Set handler for SM_ABORT() +** +** This allows you to set a handler function for causing abnormal +** program termination; it is called when a logic bug is detected. +** +** Parameters: +** f -- handler. +** +** Returns: +** none. +*/ + +void +sm_abort_sethandler(f) + SM_ABORT_HANDLER_T f; +{ + if (f == NULL) + SmAbortHandler = sm_abort_defaulthandler; + else + SmAbortHandler = f; +} + +/* +** SM_ABORT -- Call it when you have detected a logic bug. +** +** Parameters: +** fmt -- format string. +** ... -- arguments. +** +** Returns: +** doesn't. +*/ + +void SM_DEAD_D +#if SM_VA_STD +sm_abort(char *fmt, ...) +#else /* SM_VA_STD */ +sm_abort(fmt, va_alist) + char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + char msg[128]; + SM_VA_LOCAL_DECL + + SM_VA_START(ap, fmt); + sm_vsnprintf(msg, sizeof msg, fmt, ap); + SM_VA_END(ap); + sm_abort_at(NULL, 0, msg); +} + +/* +** SM_ABORT_AT -- Initiate abnormal program termination. +** +** This is the low level function that is called to initiate abnormal +** program termination. It prints an error message and terminates the +** program. It is called by sm_abort and by the assertion macros. +** If filename != NULL then filename and lineno specify the line of source +** code at which the bug was detected. +** +** Parameters: +** filename -- filename (can be NULL). +** lineno -- line number. +** msg -- message. +** +** Returns: +** doesn't. +*/ + +void SM_DEAD_D +sm_abort_at(filename, lineno, msg) + const char *filename; + int lineno; + const char *msg; +{ + SM_TRY + (*SmAbortHandler)(filename, lineno, msg); + SM_EXCEPT(exc, "*") + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "exception raised by abort handler:\n"); + sm_exc_print(exc, smioerr); + sm_io_flush(smioerr, SM_TIME_DEFAULT); + SM_END_TRY + + /* + ** SmAbortHandler isn't supposed to return. + ** Since it has, let's make sure that the program is terminated. + */ + + abort(); +} diff --git a/contrib/sendmail-8.13.4/libsm/assert.html b/contrib/sendmail-8.13.4/libsm/assert.html new file mode 100644 index 0000000000..a3251998db --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/assert.html @@ -0,0 +1,359 @@ + + + libsm : Assert and Abort + + + +Back to libsm overview + +
+

libsm : Assert and Abort

+
$Id: assert.html,v 1.6 2001/08/27 21:47:03 ca Exp $ +
+ +

Introduction

+ +This package contains abstractions +for assertion checking and abnormal program termination. + +

Synopsis

+ +
+#include <sm/assert.h>
+
+/*
+**  abnormal program termination
+*/
+
+void sm_abort_at(char *filename, int lineno, char *msg);
+typedef void (*SM_ABORT_HANDLER)(char *filename, int lineno, char *msg);
+void sm_abort_sethandler(SM_ABORT_HANDLER);
+void sm_abort(char *fmt, ...)
+
+/*
+**  assertion checking
+*/
+
+SM_REQUIRE(expression)
+SM_ASSERT(expression)
+SM_ENSURE(expression)
+
+extern SM_DEBUG_T SmExpensiveRequire;
+extern SM_DEBUG_T SmExpensiveAssert;
+extern SM_DEBUG_T SmExpensiveEnsure;
+
+#if SM_CHECK_REQUIRE
+#if SM_CHECK_ASSERT
+#if SM_CHECK_ENSURE
+
+cc -DSM_CHECK_ALL=0 -DSM_CHECK_REQUIRE=1 ...
+
+ +

Abnormal Program Termination

+ +The functions sm_abort and sm_abort_at are used to report a logic +bug and terminate the program. They can be invoked directly, +and they are also used by the assertion checking macros. + +
+
+ void sm_abort_at(char *filename, int lineno, char *msg) +
+ This is the low level interface for causing abnormal program + termination. It is intended to be invoked from a + macro, such as the assertion checking macros. + + If filename != NULL then filename and lineno specify the line + of source code on which the logic bug is detected. These + arguments are normally either set to __FILE__ and __LINE__ + from an assertion checking macro, or they are set to NULL and 0. + + The default action is to print an error message to smioerr + using the arguments, and then call abort(). This default + behaviour can be changed by calling sm_abort_sethandler. +

+

+ void sm_abort_sethandler(SM_ABORT_HANDLER handler) +
+ Install 'handler' as the callback function that is invoked + by sm_abort_at. This callback function is passed the same + arguments as sm_abort_at, and is expected to log an error + message and terminate the program. The callback function should + not raise an exception or perform cleanup: see Rationale. + + sm_abort_sethandler is intended to be called once, from main(), + before any additional threads are created: see Rationale. + You should not use sm_abort_sethandler to + switch back and forth between several handlers; + this is particularly dangerous when there are + multiple threads, or when you are in a library routine. +

+

+ void sm_abort(char *fmt, ...) +
+ This is the high level interface for causing abnormal program + termination. It takes printf arguments. There is no need to + include a trailing newline in the format string; a trailing newline + will be printed if appropriate by the handler function. +
+ +

Assertions

+ + The assertion handling package + supports a style of programming in which assertions are used + liberally throughout the code, both as a form of documentation, + and as a way of detecting bugs in the code by performing runtime checks. +

+ There are three kinds of assertion: +

+
+ SM_REQUIRE(expr) +
+ This is an assertion used at the beginning of a function + to check that the preconditions for calling the function + have been satisfied by the caller. +

+

+ SM_ENSURE(expr) +
+ This is an assertion used just before returning from a function + to check that the function has satisfied all of the postconditions + that it is required to satisfy by its contract with the caller. +

+

+ SM_ASSERT(expr) +
+ This is an assertion that is used in the middle of a function, + to check loop invariants, and for any other kind of check that is + not a "require" or "ensure" check. +
+ If any of the above assertion macros fail, then sm_abort_at + is called. By default, a message is printed to stderr and the + program is aborted. For example, if SM_REQUIRE(arg > 0) fails + because arg <= 0, then the message +
+foo.c:47: SM_REQUIRE(arg > 0) failed
+
+ is printed to stderr, and abort() is called. + You can change this default behaviour using sm_abort_sethandler. + +

How To Disable Assertion Checking At Compile Time

+ + You can use compile time macros to selectively enable or disable + each of the three kinds of assertions, for performance reasons. + For example, you might want to enable SM_REQUIRE checking + (because it finds the most bugs), but disable the other two types. +

+ By default, all three types of assertion are enabled. + You can selectively disable individual assertion types + by setting one or more of the following cpp macros to 0 + before <sm/assert.h> is included for the first time: +

+ SM_CHECK_REQUIRE
+ SM_CHECK_ENSURE
+ SM_CHECK_ASSERT
+
+ Or, you can define SM_CHECK_ALL as 0 to disable all assertion + types, then selectively define one or more of SM_CHECK_REQUIRE, + SM_CHECK_ENSURE or SM_CHECK_ASSERT as 1. For example, + to disable all assertions except for SM_REQUIRE, you can use + these C compiler flags: +
+ -DSM_CHECK_ALL=0 -DSM_CHECK_REQUIRE=1 +
+ + After <sm/assert.h> is included, the macros + SM_CHECK_REQUIRE, SM_CHECK_ENSURE and SM_CHECK_ASSERT + are each set to either 0 or 1. + +

How To Write Complex or Expensive Assertions

+ + Sometimes an assertion check requires more code than a simple + boolean expression. + For example, it might require an entire statement block + with its own local variables. + You can code such assertion checks by making them conditional on + SM_CHECK_REQUIRE, SM_CHECK_ENSURE or SM_CHECK_ASSERT, + and using sm_abort to signal failure. +

+ Sometimes an assertion check is significantly more expensive + than one or two comparisons. + In such cases, it is not uncommon for developers to comment out + the assertion once the code is unit tested. + Please don't do this: it makes it hard to turn the assertion + check back on for the purposes of regression testing. + What you should do instead is make the assertion check conditional + on one of these predefined debug objects: +

+ SmExpensiveRequire
+ SmExpensiveAssert
+ SmExpensiveEnsure +
+ By doing this, you bring the cost of the assertion checking code + back down to a single comparison, unless expensive assertion checking + has been explicitly enabled. + By the way, the corresponding debug category names are +
+ sm_check_require
+ sm_check_assert
+ sm_check_ensure +
+ What activation level should you check for? + Higher levels correspond to more expensive assertion checks. + Here are some basic guidelines: +
+ level 1: < 10 basic C operations
+ level 2: < 100 basic C operations
+ level 3: < 1000 basic C operations
+ ... +
+ +

+ Here's a contrived example of both techniques: +

+void
+w_munge(WIDGET *w)
+{
+    SM_REQUIRE(w != NULL);
+#if SM_CHECK_REQUIRE
+    /*
+    **  We run this check at level 3 because we expect to check a few hundred
+    **  table entries.
+    */
+
+    if (sm_debug_active(&SmExpensiveRequire, 3))
+    {
+        int i;
+
+        for (i = 0; i < WIDGET_MAX; ++i)
+        {
+            if (w[i] == NULL)
+                sm_abort("w_munge: NULL entry %d in widget table", i);
+        }
+    }
+#endif /* SM_CHECK_REQUIRE */
+
+ +

Other Guidelines

+ + You should resist the urge to write SM_ASSERT(0) when the code has + reached an impossible place. It's better to call sm_abort, because + then you can generate a better error message. For example, +
+switch (foo)
+{
+    ...
+  default:
+    sm_abort("impossible value %d for foo", foo);
+}
+
+ Note that I did not bother to guard the default clause of the switch + statement with #if SM_CHECK_ASSERT ... #endif, because there is + probably no performance gain to be had by disabling this particular check. +

+ Avoid including code that has side effects inside of assert macros, + or inside of SM_CHECK_* guards. You don't want the program to stop + working if assertion checking is disabled. + +

Rationale for Logic Bug Handling

+ + When a logic bug is detected, our philosophy is to log an error message + and terminate the program, dumping core if possible. + It is not a good idea to raise an exception, attempt cleanup, + or continue program execution. Here's why. +

+ First of all, to facilitate post-mortem analysis, we want to dump core + on detecting a logic bug, disturbing the process image as little as + possible before dumping core. We don't want to raise an exception + and unwind the stack, executing cleanup code, before dumping core, + because that would obliterate information we need to analyze the cause + of the abort. +

+ Second, it is a bad idea to raise an exception on an assertion failure + because this places unacceptable restrictions on code that uses + the assertion macros. + The reason is this: the sendmail code must be written so that + anywhere it is possible for an assertion to be raised, the code + will catch the exception and clean up if necessary, restoring + data structure invariants and freeing resources as required. + If an assertion failure was signalled by raising an exception, + then every time you added an assertion, you would need to check + both the function containing the assertion and its callers to see + if any exception handling code needed to be added to clean up properly + on assertion failure. That is far too great a burden. +

+ It is a bad idea to attempt cleanup upon detecting a logic bug + for several reasons: +

    +
  • If you need to perform cleanup actions in order to preserve the + integrity of the data that the program is handling, then the + program is not fault tolerant, and needs to be redesigned. + There are several reasons why a program might be terminated unexpectedly: + the system might crash, the program might receive a signal 9, + the program might be terminated by a memory fault (possibly as a + side effect of earlier data structure corruption), and the program + might detect a logic bug and terminate itself. Note that executing + cleanup actions is not feasible in most of the above cases. + If the program has a fault tolerant design, then it will not lose + data even if the system crashes in the middle of an operation. +

    +

  • If the cause of the logic bug is earlier data structure corruption, + then cleanup actions intended to preserve the integrity of the data + that the program is handling might cause more harm than good: they + might cause information to be corrupted or lost. +

    +

  • If the program uses threads, then cleanup is much more problematic. + Suppose that thread A is holding some locks, and is in the middle of + modifying a shared data structure. The locks are needed because the + data structure is currently in an inconsistent state. At this point, + a logic bug is detected deep in a library routine called by A. + How do we get all of the running threads to stop what they are doing + and perform their thread-specific cleanup actions before terminating? + We may not be able to get B to clean up and terminate cleanly until + A has restored the invariants on the data structure it is modifying + and releases its locks. So, we raise an exception and unwind the stack, + restoring data structure invariants and releasing locks at each level + of abstraction, and performing an orderly shutdown. There are certainly + many classes of error conditions for which using the exception mechanism + to perform an orderly shutdown is appropriate and feasible, but there + are also classes of error conditions for which exception handling and + orderly shutdown is dangerous or impossible. The abnormal program + termination system is intended for this second class of error conditions. + If you want to trigger orderly shutdown, don't call sm_abort: + raise an exception instead. +
+

+ Here is a strategy for making sendmail fault tolerant. + Sendmail is structured as a collection of processes. The "root" process + does as little as possible, except spawn children to do all of the real + work, monitor the children, and act as traffic cop. + We use exceptions to signal expected but infrequent error conditions, + so that the process encountering the exceptional condition can clean up + and keep going. (Worker processes are intended to be long lived, in + order to minimize forking and increase performance.) But when a bug + is detected in a sendmail worker process, the worker process does minimal + or no cleanup and then dies. A bug might be detected in several ways: + the process might dereference a NULL pointer, receive a signal 11, + core dump and die, or an assertion might fail, in which case the process + commits suicide. Either way, the root process detects the death of the + worker, logs the event, and spawns another worker. + +

Rationale for Naming Conventions

+ + The names "require" and "ensure" come from the writings of Bertrand Meyer, + a prominent evangelist for assertion checking who has written a number of + papers about the "Design By Contract" programming methodology, + and who created the Eiffel programming language. + Many other assertion checking packages for C also have "require" and + "ensure" assertion types. In short, we are conforming to a de-facto + standard. +

+ We use the names SM_REQUIRE, SM_ASSERT + and SM_ENSURE in preference to to REQUIRE, + ASSERT and ENSURE because at least two other + open source libraries (libisc and libnana) define REQUIRE + and ENSURE macros, and many libraries define ASSERT. + We want to avoid name conflicts with other libraries. + + + diff --git a/contrib/sendmail-8.13.4/libsm/b-strcmp.c b/contrib/sendmail-8.13.4/libsm/b-strcmp.c new file mode 100644 index 0000000000..e6d0bb0942 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/b-strcmp.c @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: b-strcmp.c,v 1.13 2004/08/03 20:07:59 ca Exp $") +#include +#include +#include +#include +#include +#include + +#define toseconds(x, y) (x.tv_sec - y.tv_sec) +#define SIZE 512 +#define LOOPS 4000000L /* initial number of loops */ +#define MAXTIME 30L /* "maximum" time to run single test */ + +void fatal __P((char *)); +void purpose __P((void)); +int main __P((int, char *[])); + +void +fatal(str) + char *str; +{ + perror(str); + exit(1); +} + +void +purpose() +{ + printf("This program benchmarks the performance differences between\n"); + printf("strcasecmp() and sm_strcasecmp().\n"); + printf("These tests may take several minutes to complete.\n"); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + long a; + int k; + bool doit = false; + long loops; + long j; + long one, two; + struct timeval t1, t2; + char src1[SIZE], src2[SIZE]; + +# define OPTIONS "d" + while ((k = getopt(argc, argv, OPTIONS)) != -1) + { + switch ((char) k) + { + case 'd': + doit = true; + break; + + default: + break; + } + } + + if (!doit) + { + purpose(); + printf("If you want to run it, specify -d as option.\n"); + return 0; + } + + /* Run-time comments to the user */ + purpose(); + printf("\n"); + for (k = 0; k < 3; k++) + { + switch (k) + { + case 0: + (void) sm_strlcpy(src1, "1234567890", SIZE); + (void) sm_strlcpy(src2, "1234567890", SIZE); + break; + case 1: + (void) sm_strlcpy(src1, "1234567890", SIZE); + (void) sm_strlcpy(src2, "1234567891", SIZE); + break; + case 2: + (void) sm_strlcpy(src1, "1234567892", SIZE); + (void) sm_strlcpy(src2, "1234567891", SIZE); + break; + } + printf("Test %d: strcasecmp(%s, %s) versus sm_strcasecmp()\n", + k, src1, src2); + loops = LOOPS; + for (;;) + { + j = 0; + if (gettimeofday(&t1, NULL) < 0) + fatal("gettimeofday"); + for (a = 0; a < loops; a++) + j += strcasecmp(src1, src2); + if (gettimeofday(&t2, NULL) < 0) + fatal("gettimeofday"); + one = toseconds(t2, t1); + printf("\tstrcasecmp() result: %ld seconds [%ld]\n", + one, j); + + j = 0; + if (gettimeofday(&t1, NULL) < 0) + fatal("gettimeofday"); + for (a = 0; a < loops; a++) + j += sm_strcasecmp(src1, src2); + if (gettimeofday(&t2, NULL) < 0) + fatal("gettimeofday"); + two = toseconds(t2, t1); + printf("\tsm_strcasecmp() result: %ld seconds [%ld]\n", + two, j); + + if (abs(one - two) > 2) + break; + loops += loops; + if (loops < 0L || one > MAXTIME) + { + printf("\t\t** results too close: no decision\n"); + break; + } + else + { + printf("\t\t** results too close redoing test %ld times **\n", + loops); + } + } + } + + printf("\n\n"); + printf("Interpreting the results:\n"); + printf("\tFor differences larger than 2 seconds, the lower value is\n"); + printf("\tbetter and that function should be used for performance\n"); + printf("\treasons.\n\n"); + printf("This program will re-run the tests when the difference is\n"); + printf("less than 2 seconds.\n"); + printf("The result will vary depending on the compiler optimization\n"); printf("level used. Compiling the sendmail libsm library with a\n"); + printf("better optimization level can change the results.\n"); + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/b-strl.c b/contrib/sendmail-8.13.4/libsm/b-strl.c new file mode 100644 index 0000000000..a696154220 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/b-strl.c @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** Compile this program using a command line similar to: +** cc -O -L../OBJ/libsm -o b-strl b-strl.c -lsm +** where "OBJ" is the name of the object directory for the platform +** you are compiling on. +** Then run the program: +** ./b-strl +** and read the output for results and how to interpret the results. +*/ + +#include +SM_RCSID("@(#)$Id: b-strl.c,v 1.24 2001/09/11 04:04:47 gshapiro Exp $") +#include +#include +#include +#include +#include +#include + +#define SRC_SIZE 512 +#define toseconds(x, y) (x.tv_sec - y.tv_sec) +#define LOOPS 4000000L /* initial number of loops */ +#define MAXTIME 30L /* "maximum" time to run single test */ + +void +fatal(str) + char *str; +{ + perror(str); + exit(1); +} + +void +purpose() +{ + printf("This program benchmarks the performance differences between\n"); + printf("strlcpy() and sm_strlcpy(), and strlcat() and sm_strlcat().\n"); + printf("These tests may take several minutes to complete.\n"); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ +#if !SM_CONF_STRL + printf("The configuration indicates the system needs the libsm\n"); + printf("versions of strlcpy(3) and strlcat(3). Thus, performing\n"); + printf("these tests will not be of much use.\n"); + printf("If your OS has strlcpy(3) and strlcat(3) then set the macro\n"); + printf("SM_CONF_STRL to 1 in your site.config.m4 file\n"); + printf("(located in ../devtools/Site) and recompile this program.\n"); +#else /* !SM_CONF_STRL */ + int ch; + long a; + bool doit = false; + long loops = LOOPS; + long one, two; + struct timeval t1, t2; + char dest[SRC_SIZE], source[SRC_SIZE]; + +# define OPTIONS "d" + while ((ch = getopt(argc, argv, OPTIONS)) != -1) + { + switch ((char) ch) + { + case 'd': + doit = true; + break; + + default: + break; + } + } + + if (!doit) + { + purpose(); + printf("If you want to run it, specify -d as option.\n"); + return 0; + } + + /* + ** Let's place a small string at the head of dest for + ** catenation to happen (it'll be ignored for the copy). + */ + (void) sm_strlcpy(dest, "a small string at the start! ", SRC_SIZE - 1); + + /* + ** Let's place a larger string into source for the catenation and + ** the copy. + */ + (void) strlcpy(source, + " This is the longer string that will be used for catenation and copying for the the performace testing. The longer the string being catenated or copied the greater the difference in measureable performance\n", + SRC_SIZE - 1); + + /* Run-time comments to the user */ + purpose(); + printf("\n"); + printf("Test 1: strlcat() versus sm_strlcat()\n"); + +redo_cat: + if (gettimeofday(&t1, NULL) < 0) + fatal("gettimeofday"); + + for (a = 0; a < loops; a++) + strlcat(dest, source, SRC_SIZE - 1); + + if (gettimeofday(&t2, NULL) < 0) + fatal("gettimeofday"); + + printf("\tstrlcat() result: %ld seconds\n", one = toseconds(t2, t1)); + + if (gettimeofday(&t1, NULL) < 0) + fatal("gettimeofday"); + + for (a = 0; a < loops; a++) + sm_strlcat(dest, source, SRC_SIZE - 1); + + if (gettimeofday(&t2, NULL) < 0) + fatal("gettimeofday"); + + printf("\tsm_strlcat() result: %ld seconds\n", two = toseconds(t2, t1)); + + if (one - two >= -2 && one - two <= 2) + { + loops += loops; + if (loops < 0L || one > MAXTIME) + { + printf("\t\t** results too close: no decision\n"); + } + else + { + printf("\t\t** results too close redoing test %ld times **\n", + loops); + goto redo_cat; + } + } + + printf("\n"); + printf("Test 2: strlcpy() versus sm_strlpy()\n"); + loops = LOOPS; +redo_cpy: + if (gettimeofday(&t1, NULL) < 0) + fatal("gettimeofday"); + + for (a = 0; a < loops; a++) + strlcpy(dest, source, SRC_SIZE - 1); + + if (gettimeofday(&t2, NULL) < 0) + fatal("gettimeofday"); + + printf("\tstrlcpy() result: %ld seconds\n", one = toseconds(t2, t1)); + + if (gettimeofday(&t1, NULL) < 0) + fatal("gettimeofday"); + + for (a = 0; a < loops; a++) + sm_strlcpy(dest, source, SRC_SIZE - 1); + + if (gettimeofday(&t2, NULL) < 0) + fatal("gettimeofday"); + + printf("\tsm_strlcpy() result: %ld seconds\n", two = toseconds(t2, t1)); + + if (one - two >= -2 && one - two <= 2) + { + loops += loops; + if (loops < 0L || one > MAXTIME) + { + printf("\t\t** results too close: no decision\n"); + } + else + { + printf("\t\t** results too close redoing test %ld times **\n", + loops); + goto redo_cpy; + } + } + + printf("\n\n"); + printf("Interpreting the results:\n"); + printf("\tFor differences larger than 2 seconds, the lower value is\n"); + printf("\tbetter and that function should be used for performance\n"); + printf("\treasons.\n\n"); + printf("This program will re-run the tests when the difference is\n"); + printf("less than 2 seconds.\n"); + printf("The result will vary depending on the compiler optimization\n"); printf("level used. Compiling the sendmail libsm library with a\n"); + printf("better optimization level can change the results.\n"); +#endif /* !SM_CONF_STRL */ + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/cdefs.html b/contrib/sendmail-8.13.4/libsm/cdefs.html new file mode 100644 index 0000000000..33e45acfd3 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/cdefs.html @@ -0,0 +1,107 @@ + + + libsm : C Language Portability Macros + + + +Back to libsm overview + +

+

libsm : C Language Portability Macros

+
$Id: cdefs.html,v 1.2 2000/12/07 17:33:09 dmoen Exp $ +
+ +

Description

+ +The header file <sm/cdefs.h> +defines portable interfaces to non-portable features +of various C compilers. +It also assists you in writing C header files that are compatible +with C++. + +
+
+ __P(parameterlist) +
+ This macro is used to write portable function prototypes. + For example, + +
+int foo __P((int));
+
+ +
+ __CONCAT(x,y) +
+ This macro concatenates two tokens x and y, + forming a single token xy. + Warning: make sure there is no white space around the arguments x and y. +

+ +

+ __STRING(x) +
+ This macro converts the token sequence x into a string literal. +

+ +

+ __BEGIN_DECLS, __END_DECLS +
+ These macros are used to write C header files that are compatible + with C++ compilers. + Put __BEGIN_DECLS before the first function or variable + declaration in your header file, + and put __END_DECLS after the last function or variable + declaration. +

+ +

+ const, signed, volatile +
+ For pre-ANSI C compilers, const, signed + and volatile are defined as empty macros. + This means you can use these keywords without introducing + portability problems. +

+ +

+ SM_DEAD(function_declaration) +
+ This macro modifies a prototype of a function + that does not return to its caller. + With some versions of gcc, this will result in slightly better code, + and can suppress some useless warnings produced by gcc -Wall. + For example, + +
+SM_DEAD(void exit __P((int)));
+
+ +
+ SM_UNUSED(variable_declaration) +
+ This macro modifies a definition of an unused + local variable, global variable or function parameter + in order to suppress compiler warnings. + Examples: + +
+SM_UNUSED(static const char Id[]) = "@(#)$Id: cdefs.html,v 1.2 2000/12/07 17:33:09 dmoen Exp $";
+void
+foo(x)
+	SM_UNUSED(int x);
+{
+	SM_UNUSED(int y) = 0;
+	return 0;
+}
+void
+bar(SM_UNUSED(int x))
+{
+	return 0;
+}
+
+ +
+ + + diff --git a/contrib/sendmail-8.13.4/libsm/cf.c b/contrib/sendmail-8.13.4/libsm/cf.c new file mode 100644 index 0000000000..d2178753ce --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/cf.c @@ -0,0 +1,100 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: cf.c,v 1.6 2001/09/11 04:04:47 gshapiro Exp $") + +#include +#include + +#include +#include +#include +#include + +/* +** SM_CF_GETOPT -- look up option values in the sendmail.cf file +** +** Open the sendmail.cf file and parse all of the 'O' directives. +** Each time one of the options named in the option vector optv +** is found, store a malloced copy of the option value in optv. +** +** Parameters: +** path -- pathname of sendmail.cf file +** optc -- size of option vector +** optv -- pointer to option vector +** +** Results: +** 0 on success, or an errno value on failure. +** An exception is raised on malloc failure. +*/ + +int +sm_cf_getopt(path, optc, optv) + char *path; + int optc; + SM_CF_OPT_T *optv; +{ + SM_FILE_T *cfp; + char buf[2048]; + char *p; + char *id; + char *idend; + char *val; + int i; + + cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, path, SM_IO_RDONLY, NULL); + if (cfp == NULL) + return errno; + + while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) != NULL) + { + p = strchr(buf, '\n'); + if (p != NULL) + *p = '\0'; + + if (buf[0] != 'O' || buf[1] != ' ') + continue; + + id = &buf[2]; + val = strchr(id, '='); + if (val == NULL) + val = idend = id + strlen(id); + else + { + idend = val; + ++val; + while (*val == ' ') + ++val; + while (idend > id && idend[-1] == ' ') + --idend; + *idend = '\0'; + } + + for (i = 0; i < optc; ++i) + { + if (sm_strcasecmp(optv[i].opt_name, id) == 0) + { + optv[i].opt_val = sm_strdup_x(val); + break; + } + } + } + if (sm_io_error(cfp)) + { + int save_errno = errno; + + (void) sm_io_close(cfp, SM_TIME_DEFAULT); + errno = save_errno; + return errno; + } + (void) sm_io_close(cfp, SM_TIME_DEFAULT); + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/clock.c b/contrib/sendmail-8.13.4/libsm/clock.c new file mode 100644 index 0000000000..c09b2d1888 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/clock.c @@ -0,0 +1,640 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: clock.c,v 1.46 2004/08/03 19:57:22 ca Exp $") +#include +#include +#include +#if SM_CONF_SETITIMER +# include +#endif /* SM_CONF_SETITIMER */ +#include +#include +#include +#include +#include "local.h" +#if _FFR_SLEEP_USE_SELECT > 0 +# include +#endif /* _FFR_SLEEP_USE_SELECT > 0 */ +#if defined(_FFR_MAX_SLEEP_TIME) && _FFR_MAX_SLEEP_TIME > 2 +# include +#endif /* defined(_FFR_MAX_SLEEP_TIME) && _FFR_MAX_SLEEP_TIME > 2 */ + +#ifndef sigmask +# define sigmask(s) (1 << ((s) - 1)) +#endif /* ! sigmask */ + + +/* +** SM_SETEVENTM -- set an event to happen at a specific time in milliseconds. +** +** Events are stored in a sorted list for fast processing. +** An event only applies to the process that set it. +** Source is #ifdef'd to work with older OS's that don't have setitimer() +** (that is, don't have a timer granularity less than 1 second). +** +** Parameters: +** intvl -- interval until next event occurs (milliseconds). +** func -- function to call on event. +** arg -- argument to func on event. +** +** Returns: +** On success returns the SM_EVENT entry created. +** On failure returns NULL. +** +** Side Effects: +** none. +*/ + +static SM_EVENT *volatile SmEventQueue; /* head of event queue */ +static SM_EVENT *volatile SmFreeEventList; /* list of free events */ + +SM_EVENT * +sm_seteventm(intvl, func, arg) + int intvl; + void (*func)__P((int)); + int arg; +{ + ENTER_CRITICAL(); + if (SmFreeEventList == NULL) + { + SmFreeEventList = (SM_EVENT *) sm_pmalloc_x(sizeof *SmFreeEventList); + SmFreeEventList->ev_link = NULL; + } + LEAVE_CRITICAL(); + + return sm_sigsafe_seteventm(intvl, func, arg); +} + +/* +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +SM_EVENT * +sm_sigsafe_seteventm(intvl, func, arg) + int intvl; + void (*func)__P((int)); + int arg; +{ + register SM_EVENT **evp; + register SM_EVENT *ev; +#if SM_CONF_SETITIMER + auto struct timeval now, nowi, ival; + auto struct itimerval itime; +#else /* SM_CONF_SETITIMER */ + auto time_t now, nowi; +#endif /* SM_CONF_SETITIMER */ + int wasblocked; + + /* negative times are not allowed */ + if (intvl <= 0) + return NULL; + + wasblocked = sm_blocksignal(SIGALRM); +#if SM_CONF_SETITIMER + ival.tv_sec = intvl / 1000; + ival.tv_usec = (intvl - ival.tv_sec * 1000) * 10; + (void) gettimeofday(&now, NULL); + nowi = now; + timeradd(&now, &ival, &nowi); +#else /* SM_CONF_SETITIMER */ + now = time(NULL); + nowi = now + (time_t)(intvl / 1000); +#endif /* SM_CONF_SETITIMER */ + + /* search event queue for correct position */ + for (evp = (SM_EVENT **) (&SmEventQueue); + (ev = *evp) != NULL; + evp = &ev->ev_link) + { +#if SM_CONF_SETITIMER + if (timercmp(&(ev->ev_time), &nowi, >=)) +#else /* SM_CONF_SETITIMER */ + if (ev->ev_time >= nowi) +#endif /* SM_CONF_SETITIMER */ + break; + } + + ENTER_CRITICAL(); + if (SmFreeEventList == NULL) + { + /* + ** This shouldn't happen. If called from sm_seteventm(), + ** we have just malloced a SmFreeEventList entry. If + ** called from a signal handler, it should have been + ** from an existing event which sm_tick() just added to + ** SmFreeEventList. + */ + + LEAVE_CRITICAL(); + if (wasblocked == 0) + (void) sm_releasesignal(SIGALRM); + return NULL; + } + else + { + ev = SmFreeEventList; + SmFreeEventList = ev->ev_link; + } + LEAVE_CRITICAL(); + + /* insert new event */ + ev->ev_time = nowi; + ev->ev_func = func; + ev->ev_arg = arg; + ev->ev_pid = getpid(); + ENTER_CRITICAL(); + ev->ev_link = *evp; + *evp = ev; + LEAVE_CRITICAL(); + + (void) sm_signal(SIGALRM, sm_tick); +# if SM_CONF_SETITIMER + timersub(&SmEventQueue->ev_time, &now, &itime.it_value); + itime.it_interval.tv_sec = 0; + itime.it_interval.tv_usec = 0; + if (itime.it_value.tv_sec < 0) + itime.it_value.tv_sec = 0; + if (itime.it_value.tv_sec == 0 && itime.it_value.tv_usec == 0) + itime.it_value.tv_usec = 1000; + (void) setitimer(ITIMER_REAL, &itime, NULL); +# else /* SM_CONF_SETITIMER */ + intvl = SmEventQueue->ev_time - now; + (void) alarm((unsigned) (intvl < 1 ? 1 : intvl)); +# endif /* SM_CONF_SETITIMER */ + if (wasblocked == 0) + (void) sm_releasesignal(SIGALRM); + return ev; +} +/* +** SM_CLREVENT -- remove an event from the event queue. +** +** Parameters: +** ev -- pointer to event to remove. +** +** Returns: +** none. +** +** Side Effects: +** arranges for event ev to not happen. +*/ + +void +sm_clrevent(ev) + register SM_EVENT *ev; +{ + register SM_EVENT **evp; + int wasblocked; +# if SM_CONF_SETITIMER + struct itimerval clr; +# endif /* SM_CONF_SETITIMER */ + + if (ev == NULL) + return; + + /* find the parent event */ + wasblocked = sm_blocksignal(SIGALRM); + for (evp = (SM_EVENT **) (&SmEventQueue); + *evp != NULL; + evp = &(*evp)->ev_link) + { + if (*evp == ev) + break; + } + + /* now remove it */ + if (*evp != NULL) + { + ENTER_CRITICAL(); + *evp = ev->ev_link; + ev->ev_link = SmFreeEventList; + SmFreeEventList = ev; + LEAVE_CRITICAL(); + } + + /* restore clocks and pick up anything spare */ + if (wasblocked == 0) + (void) sm_releasesignal(SIGALRM); + if (SmEventQueue != NULL) + (void) kill(getpid(), SIGALRM); + else + { + /* nothing left in event queue, no need for an alarm */ +# if SM_CONF_SETITIMER + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + clr.it_value.tv_sec = 0; + clr.it_value.tv_usec = 0; + (void) setitimer(ITIMER_REAL, &clr, NULL); +# else /* SM_CONF_SETITIMER */ + (void) alarm(0); +# endif /* SM_CONF_SETITIMER */ + } +} +/* +** SM_CLEAR_EVENTS -- remove all events from the event queue. +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +void +sm_clear_events() +{ + register SM_EVENT *ev; +#if SM_CONF_SETITIMER + struct itimerval clr; +#endif /* SM_CONF_SETITIMER */ + int wasblocked; + + /* nothing will be left in event queue, no need for an alarm */ +#if SM_CONF_SETITIMER + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + clr.it_value.tv_sec = 0; + clr.it_value.tv_usec = 0; + (void) setitimer(ITIMER_REAL, &clr, NULL); +#else /* SM_CONF_SETITIMER */ + (void) alarm(0); +#endif /* SM_CONF_SETITIMER */ + + if (SmEventQueue == NULL) + return; + + wasblocked = sm_blocksignal(SIGALRM); + + /* find the end of the EventQueue */ + for (ev = SmEventQueue; ev->ev_link != NULL; ev = ev->ev_link) + continue; + + ENTER_CRITICAL(); + ev->ev_link = SmFreeEventList; + SmFreeEventList = SmEventQueue; + SmEventQueue = NULL; + LEAVE_CRITICAL(); + + /* restore clocks and pick up anything spare */ + if (wasblocked == 0) + (void) sm_releasesignal(SIGALRM); +} +/* +** SM_TICK -- take a clock tick +** +** Called by the alarm clock. This routine runs events as needed. +** Always called as a signal handler, so we assume that SIGALRM +** has been blocked. +** +** Parameters: +** One that is ignored; for compatibility with signal handlers. +** +** Returns: +** none. +** +** Side Effects: +** calls the next function in EventQueue. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED */ +SIGFUNC_DECL +sm_tick(sig) + int sig; +{ + register SM_EVENT *ev; + pid_t mypid; + int save_errno = errno; +#if SM_CONF_SETITIMER + struct itimerval clr; + struct timeval now; +#else /* SM_CONF_SETITIMER */ + register time_t now; +#endif /* SM_CONF_SETITIMER */ + +#if SM_CONF_SETITIMER + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + clr.it_value.tv_sec = 0; + clr.it_value.tv_usec = 0; + (void) setitimer(ITIMER_REAL, &clr, NULL); + gettimeofday(&now, NULL); +#else /* SM_CONF_SETITIMER */ + (void) alarm(0); + now = time(NULL); +#endif /* SM_CONF_SETITIMER */ + + FIX_SYSV_SIGNAL(sig, sm_tick); + errno = save_errno; + CHECK_CRITICAL(sig); + + mypid = getpid(); + while (PendingSignal != 0) + { + int sigbit = 0; + int sig = 0; + + if (bitset(PEND_SIGHUP, PendingSignal)) + { + sigbit = PEND_SIGHUP; + sig = SIGHUP; + } + else if (bitset(PEND_SIGINT, PendingSignal)) + { + sigbit = PEND_SIGINT; + sig = SIGINT; + } + else if (bitset(PEND_SIGTERM, PendingSignal)) + { + sigbit = PEND_SIGTERM; + sig = SIGTERM; + } + else if (bitset(PEND_SIGUSR1, PendingSignal)) + { + sigbit = PEND_SIGUSR1; + sig = SIGUSR1; + } + else + { + /* If we get here, we are in trouble */ + abort(); + } + PendingSignal &= ~sigbit; + kill(mypid, sig); + } + +#if SM_CONF_SETITIMER + gettimeofday(&now, NULL); +#else /* SM_CONF_SETITIMER */ + now = time(NULL); +#endif /* SM_CONF_SETITIMER */ + while ((ev = SmEventQueue) != NULL && + (ev->ev_pid != mypid || +#if SM_CONF_SETITIMER + timercmp(&ev->ev_time, &now, <=) +#else /* SM_CONF_SETITIMER */ + ev->ev_time <= now +#endif /* SM_CONF_SETITIMER */ + )) + { + void (*f)__P((int)); + int arg; + pid_t pid; + + /* process the event on the top of the queue */ + ev = SmEventQueue; + SmEventQueue = SmEventQueue->ev_link; + + /* we must be careful in here because ev_func may not return */ + f = ev->ev_func; + arg = ev->ev_arg; + pid = ev->ev_pid; + ENTER_CRITICAL(); + ev->ev_link = SmFreeEventList; + SmFreeEventList = ev; + LEAVE_CRITICAL(); + if (pid != getpid()) + continue; + if (SmEventQueue != NULL) + { +#if SM_CONF_SETITIMER + if (timercmp(&SmEventQueue->ev_time, &now, >)) + { + timersub(&SmEventQueue->ev_time, &now, + &clr.it_value); + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + if (clr.it_value.tv_sec < 0) + clr.it_value.tv_sec = 0; + if (clr.it_value.tv_sec == 0 && + clr.it_value.tv_usec == 0) + clr.it_value.tv_usec = 1000; + (void) setitimer(ITIMER_REAL, &clr, NULL); + } + else + { + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + clr.it_value.tv_sec = 3; + clr.it_value.tv_usec = 0; + (void) setitimer(ITIMER_REAL, &clr, NULL); + } +#else /* SM_CONF_SETITIMER */ + if (SmEventQueue->ev_time > now) + (void) alarm((unsigned) (SmEventQueue->ev_time + - now)); + else + (void) alarm(3); +#endif /* SM_CONF_SETITIMER */ + } + + /* call ev_func */ + errno = save_errno; + (*f)(arg); +#if SM_CONF_SETITIMER + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + clr.it_value.tv_sec = 0; + clr.it_value.tv_usec = 0; + (void) setitimer(ITIMER_REAL, &clr, NULL); + gettimeofday(&now, NULL); +#else /* SM_CONF_SETITIMER */ + (void) alarm(0); + now = time(NULL); +#endif /* SM_CONF_SETITIMER */ + } + if (SmEventQueue != NULL) + { +#if SM_CONF_SETITIMER + timersub(&SmEventQueue->ev_time, &now, &clr.it_value); + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + if (clr.it_value.tv_sec < 0) + clr.it_value.tv_sec = 0; + if (clr.it_value.tv_sec == 0 && clr.it_value.tv_usec == 0) + clr.it_value.tv_usec = 1000; + (void) setitimer(ITIMER_REAL, &clr, NULL); +#else /* SM_CONF_SETITIMER */ + (void) alarm((unsigned) (SmEventQueue->ev_time - now)); +#endif /* SM_CONF_SETITIMER */ + } + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** SLEEP -- a version of sleep that works with this stuff +** +** Because Unix sleep uses the alarm facility, I must reimplement +** it here. +** +** Parameters: +** intvl -- time to sleep. +** +** Returns: +** zero. +** +** Side Effects: +** waits for intvl time. However, other events can +** be run during that interval. +*/ + + +# if !HAVE_NANOSLEEP +static void sm_endsleep __P((int)); +static bool volatile SmSleepDone; +# endif /* !HAVE_NANOSLEEP */ + +#ifndef SLEEP_T +# define SLEEP_T unsigned int +#endif /* ! SLEEP_T */ + +SLEEP_T +sleep(intvl) + unsigned int intvl; +{ +#if HAVE_NANOSLEEP + struct timespec rqtp; + + if (intvl == 0) + return (SLEEP_T) 0; + rqtp.tv_sec = intvl; + rqtp.tv_nsec = 0; + nanosleep(&rqtp, NULL); + return (SLEEP_T) 0; +#else /* HAVE_NANOSLEEP */ + int was_held; + SM_EVENT *ev; +#if _FFR_SLEEP_USE_SELECT > 0 + int r; +# if _FFR_SLEEP_USE_SELECT > 0 + struct timeval sm_io_to; +# endif /* _FFR_SLEEP_USE_SELECT > 0 */ +#endif /* _FFR_SLEEP_USE_SELECT > 0 */ +#if SM_CONF_SETITIMER + struct timeval now, begin, diff; +# if _FFR_SLEEP_USE_SELECT > 0 + struct timeval slpv; +# endif /* _FFR_SLEEP_USE_SELECT > 0 */ +#else /* SM_CONF_SETITIMER */ + time_t begin, now; +#endif /* SM_CONF_SETITIMER */ + + if (intvl == 0) + return (SLEEP_T) 0; +#if defined(_FFR_MAX_SLEEP_TIME) && _FFR_MAX_SLEEP_TIME > 2 + if (intvl > _FFR_MAX_SLEEP_TIME) + { + syslog(LOG_ERR, "sleep: interval=%u exceeds max value %d", + intvl, _FFR_MAX_SLEEP_TIME); +# if 0 + SM_ASSERT(intvl < (unsigned int) INT_MAX); +# endif /* 0 */ + intvl = _FFR_MAX_SLEEP_TIME; + } +#endif /* defined(_FFR_MAX_SLEEP_TIME) && _FFR_MAX_SLEEP_TIME > 2 */ + SmSleepDone = false; + +#if SM_CONF_SETITIMER +# if _FFR_SLEEP_USE_SELECT > 0 + slpv.tv_sec = intvl; + slpv.tv_usec = 0; +# endif /* _FFR_SLEEP_USE_SELECT > 0 */ + (void) gettimeofday(&now, NULL); + begin = now; +#else /* SM_CONF_SETITIMER */ + now = begin = time(NULL); +#endif /* SM_CONF_SETITIMER */ + + ev = sm_setevent((time_t) intvl, sm_endsleep, 0); + if (ev == NULL) + { + /* COMPLAIN */ +#if 0 + syslog(LOG_ERR, "sleep: sm_setevent(%u) failed", intvl); +#endif /* 0 */ + SmSleepDone = true; + } + was_held = sm_releasesignal(SIGALRM); + + while (!SmSleepDone) + { +#if SM_CONF_SETITIMER + (void) gettimeofday(&now, NULL); + timersub(&now, &begin, &diff); + if (diff.tv_sec < 0 || + (diff.tv_sec == 0 && diff.tv_usec == 0)) + break; +# if _FFR_SLEEP_USE_SELECT > 0 + timersub(&slpv, &diff, &sm_io_to); +# endif /* _FFR_SLEEP_USE_SELECT > 0 */ +#else /* SM_CONF_SETITIMER */ + now = time(NULL); + + /* + ** Check whether time expired before signal is released. + ** Due to the granularity of time() add 1 to be on the + ** safe side. + */ + + if (!(begin + (time_t) intvl + 1 > now)) + break; +# if _FFR_SLEEP_USE_SELECT > 0 + sm_io_to.tv_sec = intvl - (now - begin); + if (sm_io_to.tv_sec <= 0) + sm_io_to.tv_sec = 1; + sm_io_to.tv_usec = 0; +# endif /* _FFR_SLEEP_USE_SELECT > 0 */ +#endif /* SM_CONF_SETITIMER */ +#if _FFR_SLEEP_USE_SELECT > 0 + if (intvl <= _FFR_SLEEP_USE_SELECT) + { + r = select(0, NULL, NULL, NULL, &sm_io_to); + if (r == 0) + break; + } + else +#endif /* _FFR_SLEEP_USE_SELECT > 0 */ + (void) pause(); + } + + /* if out of the loop without the event being triggered remove it */ + if (!SmSleepDone) + sm_clrevent(ev); + if (was_held > 0) + (void) sm_blocksignal(SIGALRM); + return (SLEEP_T) 0; +#endif /* HAVE_NANOSLEEP */ +} + +#if !HAVE_NANOSLEEP +static void +sm_endsleep(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + SmSleepDone = true; +} +#endif /* !HAVE_NANOSLEEP */ + diff --git a/contrib/sendmail-8.13.4/libsm/clrerr.c b/contrib/sendmail-8.13.4/libsm/clrerr.c new file mode 100644 index 0000000000..5b1a8a80ae --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/clrerr.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: clrerr.c,v 1.13 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include "local.h" + +/* +** SM_IO_CLEARERR -- public function to clear a file pointer's error status +** +** Parameters: +** fp -- the file pointer +** +** Returns: +** nothing. +*/ +#undef sm_io_clearerr + +void +sm_io_clearerr(fp) + SM_FILE_T *fp; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + + sm_clearerr(fp); +} diff --git a/contrib/sendmail-8.13.4/libsm/config.c b/contrib/sendmail-8.13.4/libsm/config.c new file mode 100644 index 0000000000..a5e13270a0 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/config.c @@ -0,0 +1,251 @@ +/* + * Copyright (c) 2000-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: config.c,v 1.30 2003/12/10 03:19:07 gshapiro Exp $") + +#include +#include +#include +#include + +/* +** PUTENV -- emulation of putenv() in terms of setenv() +** +** Not needed on Posix-compliant systems. +** This doesn't have full Posix semantics, but it's good enough +** for sendmail. +** +** Parameter: +** env -- the environment to put. +** +** Returns: +** 0 on success, < 0 on failure. +*/ + +#if NEEDPUTENV + +# if NEEDPUTENV == 2 /* no setenv(3) call available */ + +int +putenv(str) + char *str; +{ + char **current; + int matchlen, envlen = 0; + char *tmp; + char **newenv; + static bool first = true; + extern char **environ; + + /* + ** find out how much of str to match when searching + ** for a string to replace. + */ + + if ((tmp = strchr(str, '=')) == NULL || tmp == str) + matchlen = strlen(str); + else + matchlen = (int) (tmp - str); + ++matchlen; + + /* + ** Search for an existing string in the environment and find the + ** length of environ. If found, replace and exit. + */ + + for (current = environ; *current != NULL; current++) + { + ++envlen; + + if (strncmp(str, *current, matchlen) == 0) + { + /* found it, now insert the new version */ + *current = (char *) str; + return 0; + } + } + + /* + ** There wasn't already a slot so add space for a new slot. + ** If this is our first time through, use malloc(), else realloc(). + */ + + if (first) + { + newenv = (char **) sm_malloc(sizeof(char *) * (envlen + 2)); + if (newenv == NULL) + return -1; + + first = false; + (void) memcpy(newenv, environ, sizeof(char *) * envlen); + } + else + { + newenv = (char **) sm_realloc((char *) environ, + sizeof(char *) * (envlen + 2)); + if (newenv == NULL) + return -1; + } + + /* actually add in the new entry */ + environ = newenv; + environ[envlen] = (char *) str; + environ[envlen + 1] = NULL; + + return 0; +} + +# else /* NEEDPUTENV == 2 */ + +int +putenv(env) + char *env; +{ + char *p; + int l; + char nbuf[100]; + + p = strchr(env, '='); + if (p == NULL) + return 0; + l = p - env; + if (l > sizeof nbuf - 1) + l = sizeof nbuf - 1; + memmove(nbuf, env, l); + nbuf[l] = '\0'; + return setenv(nbuf, ++p, 1); +} + +# endif /* NEEDPUTENV == 2 */ +#endif /* NEEDPUTENV */ +/* +** UNSETENV -- remove a variable from the environment +** +** Not needed on newer systems. +** +** Parameters: +** name -- the string name of the environment variable to be +** deleted from the current environment. +** +** Returns: +** none. +** +** Globals: +** environ -- a pointer to the current environment. +** +** Side Effects: +** Modifies environ. +*/ + +#if !HASUNSETENV + +void +unsetenv(name) + char *name; +{ + extern char **environ; + register char **pp; + int len = strlen(name); + + for (pp = environ; *pp != NULL; pp++) + { + if (strncmp(name, *pp, len) == 0 && + ((*pp)[len] == '=' || (*pp)[len] == '\0')) + break; + } + + for (; *pp != NULL; pp++) + *pp = pp[1]; +} + +#endif /* !HASUNSETENV */ + +char *SmCompileOptions[] = +{ +#if SM_CONF_BROKEN_STRTOD + "SM_CONF_BROKEN_STRTOD", +#endif /* SM_CONF_BROKEN_STRTOD */ +#if SM_CONF_GETOPT + "SM_CONF_GETOPT", +#endif /* SM_CONF_GETOPT */ +#if SM_CONF_LDAP_INITIALIZE + "SM_CONF_LDAP_INITIALIZE", +#endif /* SM_CONF_LDAP_INITIALIZE */ +#if SM_CONF_LDAP_MEMFREE + "SM_CONF_LDAP_MEMFREE", +#endif /* SM_CONF_LDAP_MEMFREE */ +#if SM_CONF_LONGLONG + "SM_CONF_LONGLONG", +#endif /* SM_CONF_LONGLONG */ +#if SM_CONF_MEMCHR + "SM_CONF_MEMCHR", +#endif /* SM_CONF_MEMCHR */ +#if SM_CONF_MSG + "SM_CONF_MSG", +#endif /* SM_CONF_MSG */ +#if SM_CONF_QUAD_T + "SM_CONF_QUAD_T", +#endif /* SM_CONF_QUAD_T */ +#if SM_CONF_SEM + "SM_CONF_SEM", +#endif /* SM_CONF_SEM */ +#if SM_CONF_SETITIMER + "SM_CONF_SETITIMER", +#endif /* SM_CONF_SETITIMER */ +#if SM_CONF_SIGSETJMP + "SM_CONF_SIGSETJMP", +#endif /* SM_CONF_SIGSETJMP */ +#if SM_CONF_SHM + "SM_CONF_SHM", +#endif /* SM_CONF_SHM */ +#if SM_CONF_SHM_DELAY + "SM_CONF_SHM_DELAY", +#endif /* SM_CONF_SHM_DELAY */ +#if SM_CONF_SSIZE_T + "SM_CONF_SSIZE_T", +#endif /* SM_CONF_SSIZE_T */ +#if SM_CONF_STDBOOL_H + "SM_CONF_STDBOOL_H", +#endif /* SM_CONF_STDBOOL_H */ +#if SM_CONF_STDDEF_H + "SM_CONF_STDDEF_H", +#endif /* SM_CONF_STDDEF_H */ + +#if 0 +/* XXX this is always enabled (for now) */ +#if SM_CONF_STRL + "SM_CONF_STRL", +#endif /* SM_CONF_STRL */ +#endif /* 0 */ + +#if SM_CONF_SYS_CDEFS_H + "SM_CONF_SYS_CDEFS_H", +#endif /* SM_CONF_SYS_CDEFS_H */ +#if SM_CONF_SYSEXITS_H + "SM_CONF_SYSEXITS_H", +#endif /* SM_CONF_SYSEXITS_H */ +#if SM_CONF_UID_GID + "SM_CONF_UID_GID", +#endif /* SM_CONF_UID_GID */ +#if DO_NOT_USE_STRCPY + "DO_NOT_USE_STRCPY", +#endif /* DO_NOT_USE_STRCPY */ +#if SM_HEAP_CHECK + "SM_HEAP_CHECK", +#endif /* SM_HEAP_CHECK */ +#if defined(SM_OS_NAME) && defined(__STDC__) + "SM_OS=sm_os_" SM_OS_NAME, +#endif /* defined(SM_OS_NAME) && defined(__STDC__) */ +#if SM_VA_STD + "SM_VA_STD", +#endif /* SM_VA_STD */ + NULL +}; diff --git a/contrib/sendmail-8.13.4/libsm/debug.c b/contrib/sendmail-8.13.4/libsm/debug.c new file mode 100644 index 0000000000..f9281fd5e7 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/debug.c @@ -0,0 +1,394 @@ +/* + * Copyright (c) 2000, 2001, 2003, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: debug.c,v 1.30 2004/08/03 20:10:26 ca Exp $") + +/* +** libsm debugging and tracing +** For documentation, see debug.html. +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void sm_debug_reset __P((void)); +static const char *parse_named_setting_x __P((const char *)); + +/* +** Abstractions for printing trace messages. +*/ + +/* +** The output file to which trace output is directed. +** There is a controversy over whether this variable +** should be process global or thread local. +** To make the interface more abstract, we've hidden the +** variable behind access functions. +*/ + +static SM_FILE_T *SmDebugOutput = smioout; + +/* +** SM_DEBUG_FILE -- Returns current debug file pointer. +** +** Parameters: +** none. +** +** Returns: +** current debug file pointer. +*/ + +SM_FILE_T * +sm_debug_file() +{ + return SmDebugOutput; +} + +/* +** SM_DEBUG_SETFILE -- Sets debug file pointer. +** +** Parameters: +** fp -- new debug file pointer. +** +** Returns: +** none. +** +** Side Effects: +** Sets SmDebugOutput. +*/ + +void +sm_debug_setfile(fp) + SM_FILE_T *fp; +{ + SmDebugOutput = fp; +} + +/* +** SM_DEBUG_CLOSE -- Close debug file pointer. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** Closes SmDebugOutput. +*/ + +void +sm_debug_close() +{ + if (SmDebugOutput != NULL && SmDebugOutput != smioout) + { + sm_io_close(SmDebugOutput, SM_TIME_DEFAULT); + SmDebugOutput = NULL; + } +} + +/* +** SM_DPRINTF -- printf() for debug output. +** +** Parameters: +** fmt -- format for printf() +** +** Returns: +** none. +*/ + +void +#if SM_VA_STD +sm_dprintf(char *fmt, ...) +#else /* SM_VA_STD */ +sm_dprintf(fmt, va_alist) + char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + SM_VA_LOCAL_DECL + + if (SmDebugOutput == NULL) + return; + SM_VA_START(ap, fmt); + sm_io_vfprintf(SmDebugOutput, SmDebugOutput->f_timeout, fmt, ap); + SM_VA_END(ap); +} + +/* +** SM_DFLUSH -- Flush debug output. +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +void +sm_dflush() +{ + sm_io_flush(SmDebugOutput, SM_TIME_DEFAULT); +} + +/* +** This is the internal database of debug settings. +** The semantics of looking up a setting in the settings database +** are that the *last* setting specified in a -d option on the sendmail +** command line that matches a given SM_DEBUG structure is the one that is +** used. That is necessary to conform to the existing semantics of +** the sendmail -d option. We store the settings as a linked list in +** reverse order, so when we do a lookup, we take the *first* entry +** that matches. +*/ + +typedef struct sm_debug_setting SM_DEBUG_SETTING_T; +struct sm_debug_setting +{ + const char *ds_pattern; + unsigned int ds_level; + SM_DEBUG_SETTING_T *ds_next; +}; +SM_DEBUG_SETTING_T *SmDebugSettings = NULL; + +/* +** We keep a linked list of SM_DEBUG structures that have been initialized, +** for use by sm_debug_reset. +*/ + +SM_DEBUG_T *SmDebugInitialized = NULL; + +const char SmDebugMagic[] = "sm_debug"; + +/* +** SM_DEBUG_RESET -- Reset SM_DEBUG structures. +** +** Reset all SM_DEBUG structures back to the uninitialized state. +** This is used by sm_debug_addsetting to ensure that references to +** SM_DEBUG structures that occur before sendmail processes its -d flags +** do not cause those structures to be permanently forced to level 0. +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +static void +sm_debug_reset() +{ + SM_DEBUG_T *debug; + + for (debug = SmDebugInitialized; + debug != NULL; + debug = debug->debug_next) + { + debug->debug_level = SM_DEBUG_UNKNOWN; + } + SmDebugInitialized = NULL; +} + +/* +** SM_DEBUG_ADDSETTING_X -- add an entry to the database of debug settings +** +** Parameters: +** pattern -- a shell-style glob pattern (see sm_match). +** WARNING: the storage for 'pattern' will be owned by +** the debug package, so it should either be a string +** literal or the result of a call to sm_strdup_x. +** level -- a non-negative integer. +** +** Returns: +** none. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +void +sm_debug_addsetting_x(pattern, level) + const char *pattern; + int level; +{ + SM_DEBUG_SETTING_T *s; + + SM_REQUIRE(pattern != NULL); + SM_REQUIRE(level >= 0); + s = sm_malloc_x(sizeof(SM_DEBUG_SETTING_T)); + s->ds_pattern = pattern; + s->ds_level = (unsigned int) level; + s->ds_next = SmDebugSettings; + SmDebugSettings = s; + sm_debug_reset(); +} + +/* +** PARSE_NAMED_SETTING_X -- process a symbolic debug setting +** +** Parameters: +** s -- Points to a non-empty \0 or , terminated string, +** of which the initial character is not a digit. +** +** Returns: +** pointer to terminating \0 or , character. +** +** Exceptions: +** F:sm.heap -- out of memory. +** +** Side Effects: +** adds the setting to the database. +*/ + +static const char * +parse_named_setting_x(s) + const char *s; +{ + const char *pat, *endpat; + int level; + + pat = s; + while (*s != '\0' && *s != ',' && *s != '.') + ++s; + endpat = s; + if (*s == '.') + { + ++s; + level = 0; + while (isascii(*s) && isdigit(*s)) + { + level = level * 10 + (*s - '0'); + ++s; + } + if (level < 0) + level = 0; + } + else + level = 1; + + sm_debug_addsetting_x(sm_strndup_x(pat, endpat - pat), level); + + /* skip trailing junk */ + while (*s != '\0' && *s != ',') + ++s; + + return s; +} + +/* +** SM_DEBUG_ADDSETTINGS_X -- process a list of debug options +** +** Parameters: +** s -- a list of debug settings, eg the argument to the +** sendmail -d option. +** +** The syntax of the string s is as follows: +** +** ::= | "," +** ::= | "." +** ::= [a-zA-Z_*?][a-zA-Z0-9_*?]* +** +** However, note that we skip over anything we don't +** understand, rather than report an error. +** +** Returns: +** none. +** +** Exceptions: +** F:sm.heap -- out of memory +** +** Side Effects: +** updates the database of debug settings. +*/ + +void +sm_debug_addsettings_x(s) + const char *s; +{ + for (;;) + { + if (*s == '\0') + return; + if (*s == ',') + { + ++s; + continue; + } + s = parse_named_setting_x(s); + } +} + +/* +** SM_DEBUG_LOADLEVEL -- Get activation level of the specified debug object. +** +** Parameters: +** debug -- debug object. +** +** Returns: +** Activation level of the specified debug object. +** +** Side Effects: +** Ensures that the debug object is initialized. +*/ + +int +sm_debug_loadlevel(debug) + SM_DEBUG_T *debug; +{ + if (debug->debug_level == SM_DEBUG_UNKNOWN) + { + SM_DEBUG_SETTING_T *s; + + for (s = SmDebugSettings; s != NULL; s = s->ds_next) + { + if (sm_match(debug->debug_name, s->ds_pattern)) + { + debug->debug_level = s->ds_level; + goto initialized; + } + } + debug->debug_level = 0; + initialized: + debug->debug_next = SmDebugInitialized; + SmDebugInitialized = debug; + } + return (int) debug->debug_level; +} + +/* +** SM_DEBUG_LOADACTIVE -- Activation level reached? +** +** Parameters: +** debug -- debug object. +** level -- level to check. +** +** Returns: +** true iff the activation level of the specified debug +** object >= level. +** +** Side Effects: +** Ensures that the debug object is initialized. +*/ + +bool +sm_debug_loadactive(debug, level) + SM_DEBUG_T *debug; + int level; +{ + return sm_debug_loadlevel(debug) >= level; +} diff --git a/contrib/sendmail-8.13.4/libsm/debug.html b/contrib/sendmail-8.13.4/libsm/debug.html new file mode 100644 index 0000000000..a9b184af7c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/debug.html @@ -0,0 +1,272 @@ + + + libsm : Debugging and Tracing + + + +Back to libsm overview + +
+

libsm : Debugging and Tracing

+
$Id: debug.html,v 1.9 2002/02/02 16:50:56 ca Exp $ +
+ +

Introduction

+ +The debug and trace package provides abstractions for writing trace +messages, and abstractions for enabling and disabling debug and +trace code at run time. + +

+Sendmail 8.11 and earlier has a -d option which +lets you turn on debug and trace code. +Debug categories are integers from 0 to 99, with the sole exception +of "ANSI", which is a named debug category. + +

+The libsm debug package supports named debug categories. +Debug category names have the form of C identifiers. +For example, sm_trace_heap controls the output of trace +messages from the sm heap package, while sm_check_heap +controls the argument validity checking and memory leak detection +features of the sm heap package. + +

+In sendmail 8.12, the -d flag is generalized +to support both the original style numeric categories, for backwards +compatibility, and the new style named categories implemented by libsm. +With this change, +"-dANSI" is implemented using a libsm named debug category. +You will be able to set a collection of named debug categories to +the same activation level by specifying a glob pattern. +For example, +

+
+ -dANSI +
+ sets the named category "ANSI" to level 1, +
+ -dfoo_*.3 +
+ sets all named categories matching the glob pattern "foo_*" to level 3, +
+ -d0-99.1 +
+ sets the numeric categories 0 through 99 to level 1, and +
+ -dANSI,foo_*.3,0-99.1 +
+ does all of the above. +
+ +

Synopsis

+ +
+#include <sm/debug.h>
+
+/*
+**  abstractions for printing trace messages
+*/
+void sm_dprintf(char *fmt, ...)
+void sm_dflush()
+void sm_debug_setfile(SM_FILE_T *)
+
+/*
+**  abstractions for setting and testing debug activation levels
+*/
+void sm_debug_addsettings(char *settings)
+void sm_debug_addsetting(char *pattern, int level)
+
+typedef struct sm_debug SM_DEBUG_T;
+SM_DEBUG_T dbg = SM_DEBUG_INITIALIZER("name", "@(#)$Debug: name - description $");
+
+bool sm_debug_active(SM_DEBUG_T *debug, int level)
+int  sm_debug_level(SM_DEBUG_T *debug)
+bool sm_debug_unknown(SM_DEBUG_T *debug)
+
+ +

Naming Conventions

+ +All debug categories defined by libsm have names of the form sm_*. +Debug categories that turn on trace output have names of the form +*_trace_*. +Debug categories that turn on run time checks have names of the form +*_check_*. +Here are all of the libsm debug categories as of March 2000: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Variable nameCategory nameMeaning
SmExpensiveAssertsm_check_assertenable expensive SM_ASSERT checking
SmExpensiveRequiresm_check_requireenable expensive SM_REQUIRE checking
SmExpensiveEnsuresm_check_ensureenable expensive SM_ENSURE checking
SmHeapTracesm_trace_heaptrace sm_{malloc,realloc,free} calls
SmHeapChecksm_check_heapenable checking and memory leak detection in sm_{malloc,realloc,free}
+ +

Function Reference

+ +
+
+ SM_DEBUG_INITIALIZER +
+ To create a new debug category, use the SM_DEBUG_INITIALIZER macro + to initialize a static variable of type SM_DEBUG_T. For example, +
+SM_DEBUG_T ANSI_debug = SM_DEBUG_INITIALIZER("ANSI",
+	    "@(#)$Debug: ANSI - enable reverse video in debug output $");
+
+ There is no centralized table of category names that needs to + be edited in order to add a new debug category. + The sole purpose of the second argument to SM_DEBUG_INITIALIZER + is to provide an easy way to find out what named debug categories + are present in a sendmail binary. You can use: +
+ident /usr/sbin/sendmail | grep Debug
+
+ or: +
+what /usr/sbin/sendmail | grep Debug
+
+ + +
+ void sm_debug_addsetting(char *pattern, int level) +
+ All debug categories default to activation level 0, which means + no activity. + This function updates an internal database of debug settings, + setting all categories whose name matches the specified glob + pattern to the specified activation level. The level argument + must be >= 0. +

+ + +

+ void sm_debug_addsettings(char *settings) +
+ This function is used to process the -d command line + option of Sendmail 9.x, and of other programs that support the + setting of named debug categories. The settings argument is a + comma-separated list of settings; each setting is a glob pattern, + optionally followed by a '.' and a decimal numeral. +

+ + +

+ bool sm_debug_active(SM_DEBUG_T *debug, int level) +
+ This macro returns true if the activation level of + the statically initialized debug structure debug + is >= the specified level. + The test is performed very efficiently: in the most common case, + when the result is false, only a single comparison + operation is performed. +

+ This macro performs a function call only if the debug structure has + an unknown activation level. All debug structures are in this state + at the beginning of program execution, and after a call to + sm_debug_addsetting. +

+ + +

+ int sm_debug_level(SM_DEBUG_T *debug) +
+ This macro returns the activation level of the specified debug structure. + The comparison +
+sm_debug_level(debug) >= level
+
+ is slightly less efficient than, but otherwise semantically + equivalent to +
+sm_debug_active(debug, level)
+
+

+ + +

+ bool sm_debug_unknown(SM_DEBUG_T *debug) +
+ This macro returns true if the activation level of the specified + debug structure is unknown. + Here is an example of how the macro might be used: +
+if (sm_debug_unknown(&FooDebug))
+{
+	if (sm_debug_active(&FooDebug, 1))
+	{
+		... perform some expensive data structure initializations
+		... in order to enable the "foo" debugging mechanism
+	}
+	else
+	{
+		... disable the "foo" debugging mechanism
+	}
+}
+
+ The purpose of using sm_debug_unknown in the above example + is to avoid performing the expensive initializations each time through + the code. So it's a performance hack. + A debug structure is in the "unknown" state at the beginning of + program execution, and after a call to sm_debug_addsetting. + A side effect of calling sm_debug_active is that the + activation level becomes known. +

+ + +

+ void sm_dprintf(char *fmt, ...) +
+ This function is used to print a debug message. + The standard idiom is +
+if (sm_debug_active(&BarDebug, 1))
+	sm_dprintf("bar: about to test tensile strength of bar %d\n", i);
+
+

+ +

+ void sm_dflush() +
+ Flush the debug output stream. +

+ +

+ void sm_debug_setfile(SM_FILE_T *file) +
+ This function lets you specify where debug output is printed. + By default, debug output is written to standard output. +

+ We want to allow you to direct debug output to syslog. + The current plan is to provide a standard interface for + creating an SM_FILE_T object that writes to syslog. + +

+ + + diff --git a/contrib/sendmail-8.13.4/libsm/errstring.c b/contrib/sendmail-8.13.4/libsm/errstring.c new file mode 100644 index 0000000000..b2999bdec9 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/errstring.c @@ -0,0 +1,283 @@ +/* + * Copyright (c) 2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: errstring.c,v 1.19 2003/12/10 03:53:05 gshapiro Exp $") + +#include +#include /* sys_errlist, on some platforms */ + +#include /* sm_snprintf */ +#include +#include + +#if NAMED_BIND +# include +#endif + +#if LDAPMAP +# include +# include /* for LDAP error codes */ +#endif /* LDAPMAP */ + +/* +** Notice: this file is used by libmilter. Please try to avoid +** using libsm specific functions. +*/ + +/* +** SM_ERRSTRING -- return string description of error code +** +** Parameters: +** errnum -- the error number to translate +** +** Returns: +** A string description of errnum. +** +** Note: this may point to a local (static) buffer. +*/ + +const char * +sm_errstring(errnum) + int errnum; +{ + char *ret; + + + switch (errnum) + { + case EPERM: + /* SunOS gives "Not owner" -- this is the POSIX message */ + return "Operation not permitted"; + + /* + ** Error messages used internally in sendmail. + */ + + case E_SM_OPENTIMEOUT: + return "Timeout on file open"; + + case E_SM_NOSLINK: + return "Symbolic links not allowed"; + + case E_SM_NOHLINK: + return "Hard links not allowed"; + + case E_SM_REGONLY: + return "Regular files only"; + + case E_SM_ISEXEC: + return "Executable files not allowed"; + + case E_SM_WWDIR: + return "World writable directory"; + + case E_SM_GWDIR: + return "Group writable directory"; + + case E_SM_FILECHANGE: + return "File changed after open"; + + case E_SM_WWFILE: + return "World writable file"; + + case E_SM_GWFILE: + return "Group writable file"; + + case E_SM_GRFILE: + return "Group readable file"; + + case E_SM_WRFILE: + return "World readable file"; + + /* + ** DNS error messages. + */ + +#if NAMED_BIND + case HOST_NOT_FOUND + E_DNSBASE: + return "Name server: host not found"; + + case TRY_AGAIN + E_DNSBASE: + return "Name server: host name lookup failure"; + + case NO_RECOVERY + E_DNSBASE: + return "Name server: non-recoverable error"; + + case NO_DATA + E_DNSBASE: + return "Name server: no data known"; +#endif /* NAMED_BIND */ + + /* + ** libsmdb error messages. + */ + + case SMDBE_MALLOC: + return "Memory allocation failed"; + + case SMDBE_GDBM_IS_BAD: + return "GDBM is not supported"; + + case SMDBE_UNSUPPORTED: + return "Unsupported action"; + + case SMDBE_DUPLICATE: + return "Key already exists"; + + case SMDBE_BAD_OPEN: + return "Database open failed"; + + case SMDBE_NOT_FOUND: + return "Key not found"; + + case SMDBE_UNKNOWN_DB_TYPE: + return "Unknown database type"; + + case SMDBE_UNSUPPORTED_DB_TYPE: + return "Support for database type not compiled into this program"; + + case SMDBE_INCOMPLETE: + return "DB sync did not finish"; + + case SMDBE_KEY_EMPTY: + return "Key is empty"; + + case SMDBE_KEY_EXIST: + return "Key already exists"; + + case SMDBE_LOCK_DEADLOCK: + return "Locker killed to resolve deadlock"; + + case SMDBE_LOCK_NOT_GRANTED: + return "Lock unavailable"; + + case SMDBE_LOCK_NOT_HELD: + return "Lock not held by locker"; + + case SMDBE_RUN_RECOVERY: + return "Database panic, run recovery"; + + case SMDBE_IO_ERROR: + return "I/O error"; + + case SMDBE_READ_ONLY: + return "Database opened read-only"; + + case SMDBE_DB_NAME_TOO_LONG: + return "Name too long"; + + case SMDBE_INVALID_PARAMETER: + return "Invalid parameter"; + + case SMDBE_ONLY_SUPPORTS_ONE_CURSOR: + return "Only one cursor allowed"; + + case SMDBE_NOT_A_VALID_CURSOR: + return "Invalid cursor"; + + case SMDBE_OLD_VERSION: + return "Berkeley DB file is an old version, recreate it"; + + case SMDBE_VERSION_MISMATCH: + return "Berkeley DB version mismatch between include file and library"; + +#if LDAPMAP + + /* + ** LDAP URL error messages. + */ + + /* OpenLDAP errors */ +# ifdef LDAP_URL_ERR_MEM + case E_LDAPURLBASE + LDAP_URL_ERR_MEM: + return "LDAP URL can't allocate memory space"; +# endif /* LDAP_URL_ERR_MEM */ + +# ifdef LDAP_URL_ERR_PARAM + case E_LDAPURLBASE + LDAP_URL_ERR_PARAM: + return "LDAP URL parameter is bad"; +# endif /* LDAP_URL_ERR_PARAM */ + +# ifdef LDAP_URL_ERR_BADSCHEME + case E_LDAPURLBASE + LDAP_URL_ERR_BADSCHEME: + return "LDAP URL doesn't begin with \"ldap[si]://\""; +# endif /* LDAP_URL_ERR_BADSCHEME */ + +# ifdef LDAP_URL_ERR_BADENCLOSURE + case E_LDAPURLBASE + LDAP_URL_ERR_BADENCLOSURE: + return "LDAP URL is missing trailing \">\""; +# endif /* LDAP_URL_ERR_BADENCLOSURE */ + +# ifdef LDAP_URL_ERR_BADURL + case E_LDAPURLBASE + LDAP_URL_ERR_BADURL: + return "LDAP URL is bad"; +# endif /* LDAP_URL_ERR_BADURL */ + +# ifdef LDAP_URL_ERR_BADHOST + case E_LDAPURLBASE + LDAP_URL_ERR_BADHOST: + return "LDAP URL host port is bad"; +# endif /* LDAP_URL_ERR_BADHOST */ + +# ifdef LDAP_URL_ERR_BADATTRS + case E_LDAPURLBASE + LDAP_URL_ERR_BADATTRS: + return "LDAP URL bad (or missing) attributes"; +# endif /* LDAP_URL_ERR_BADATTRS */ + +# ifdef LDAP_URL_ERR_BADSCOPE + case E_LDAPURLBASE + LDAP_URL_ERR_BADSCOPE: + return "LDAP URL scope string is invalid (or missing)"; +# endif /* LDAP_URL_ERR_BADSCOPE */ + +# ifdef LDAP_URL_ERR_BADFILTER + case E_LDAPURLBASE + LDAP_URL_ERR_BADFILTER: + return "LDAP URL bad or missing filter"; +# endif /* LDAP_URL_ERR_BADFILTER */ + +# ifdef LDAP_URL_ERR_BADEXTS + case E_LDAPURLBASE + LDAP_URL_ERR_BADEXTS: + return "LDAP URL bad or missing extensions"; +# endif /* LDAP_URL_ERR_BADEXTS */ + + /* Sun LDAP errors */ +# ifdef LDAP_URL_ERR_NOTLDAP + case E_LDAPURLBASE + LDAP_URL_ERR_NOTLDAP: + return "LDAP URL doesn't begin with \"ldap://\""; +# endif /* LDAP_URL_ERR_NOTLDAP */ + +# ifdef LDAP_URL_ERR_NODN + case E_LDAPURLBASE + LDAP_URL_ERR_NODN: + return "LDAP URL has no DN (required)"; +# endif /* LDAP_URL_ERR_NODN */ + +#endif /* LDAPMAP */ + } + +#if LDAPMAP + + /* + ** LDAP error messages. + */ + + if (errnum >= E_LDAPBASE) + return ldap_err2string(errnum - E_LDAPBASE); +#endif /* LDAPMAP */ + + ret = strerror(errnum); + if (ret == NULL) + { + static char buf[30]; + + (void) sm_snprintf(buf, sizeof buf, "Error %d", errnum); + return buf; + } + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/exc.c b/contrib/sendmail-8.13.4/libsm/exc.c new file mode 100644 index 0000000000..26ad020ba7 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/exc.c @@ -0,0 +1,669 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: exc.c,v 1.48 2003/12/05 22:45:24 ca Exp $") + +/* +** exception handling +** For documentation, see exc.html +*/ + +#include +#include + +#include +#include +#include +#include +#include +#include + +const char SmExcMagic[] = "sm_exc"; +const char SmExcTypeMagic[] = "sm_exc_type"; + +/* +** SM_ETYPE_PRINTF -- printf for exception types. +** +** Parameters: +** exc -- exception. +** stream -- file for output. +** +** Returns: +** none. +*/ + +/* +** A simple formatted print function that can be used as the print function +** by most exception types. It prints the printcontext string, interpreting +** occurrences of %0 through %9 as references to the argument vector. +** If exception argument 3 is an int or long, then %3 will print the +** argument in decimal, and %o3 or %x3 will print it in octal or hex. +*/ + +void +sm_etype_printf(exc, stream) + SM_EXC_T *exc; + SM_FILE_T *stream; +{ + size_t n = strlen(exc->exc_type->etype_argformat); + const char *p, *s; + char format; + + for (p = exc->exc_type->etype_printcontext; *p != '\0'; ++p) + { + if (*p != '%') + { + (void) sm_io_putc(stream, SM_TIME_DEFAULT, *p); + continue; + } + ++p; + if (*p == '\0') + { + (void) sm_io_putc(stream, SM_TIME_DEFAULT, '%'); + break; + } + if (*p == '%') + { + (void) sm_io_putc(stream, SM_TIME_DEFAULT, '%'); + continue; + } + format = '\0'; + if (isalpha(*p)) + { + format = *p++; + if (*p == '\0') + { + (void) sm_io_putc(stream, SM_TIME_DEFAULT, '%'); + (void) sm_io_putc(stream, SM_TIME_DEFAULT, + format); + break; + } + } + if (isdigit(*p)) + { + size_t i = *p - '0'; + if (i < n) + { + switch (exc->exc_type->etype_argformat[i]) + { + case 's': + case 'r': + s = exc->exc_argv[i].v_str; + if (s == NULL) + s = "(null)"; + sm_io_fputs(stream, SM_TIME_DEFAULT, s); + continue; + case 'i': + sm_io_fprintf(stream, + SM_TIME_DEFAULT, + format == 'o' ? "%o" + : format == 'x' ? "%x" + : "%d", + exc->exc_argv[i].v_int); + continue; + case 'l': + sm_io_fprintf(stream, + SM_TIME_DEFAULT, + format == 'o' ? "%lo" + : format == 'x' ? "%lx" + : "%ld", + exc->exc_argv[i].v_long); + continue; + case 'e': + sm_exc_write(exc->exc_argv[i].v_exc, + stream); + continue; + } + } + } + (void) sm_io_putc(stream, SM_TIME_DEFAULT, '%'); + if (format) + (void) sm_io_putc(stream, SM_TIME_DEFAULT, format); + (void) sm_io_putc(stream, SM_TIME_DEFAULT, *p); + } +} + +/* +** Standard exception types. +*/ + +/* +** SM_ETYPE_OS_PRINT -- Print OS related exception. +** +** Parameters: +** exc -- exception. +** stream -- file for output. +** +** Returns: +** none. +*/ + +static void +sm_etype_os_print __P(( + SM_EXC_T *exc, + SM_FILE_T *stream)); + +static void +sm_etype_os_print(exc, stream) + SM_EXC_T *exc; + SM_FILE_T *stream; +{ + int err = exc->exc_argv[0].v_int; + char *syscall = exc->exc_argv[1].v_str; + char *sysargs = exc->exc_argv[2].v_str; + + if (sysargs) + sm_io_fprintf(stream, SM_TIME_DEFAULT, "%s: %s failed: %s", + sysargs, syscall, sm_errstring(err)); + else + sm_io_fprintf(stream, SM_TIME_DEFAULT, "%s failed: %s", syscall, + sm_errstring(err)); +} + +/* +** SmEtypeOs represents the failure of a Unix system call. +** The three arguments are: +** int errno (eg, ENOENT) +** char *syscall (eg, "open") +** char *sysargs (eg, NULL or "/etc/mail/sendmail.cf") +*/ + +const SM_EXC_TYPE_T SmEtypeOs = +{ + SmExcTypeMagic, + "E:sm.os", + "isr", + sm_etype_os_print, + NULL, +}; + +/* +** SmEtypeErr is a completely generic error which should only be +** used in applications and test programs. Libraries should use +** more specific exception codes. +*/ + +const SM_EXC_TYPE_T SmEtypeErr = +{ + SmExcTypeMagic, + "E:sm.err", + "r", + sm_etype_printf, + "%0", +}; + +/* +** SM_EXC_VNEW_X -- Construct a new exception object. +** +** Parameters: +** etype -- type of exception. +** ap -- varargs. +** +** Returns: +** pointer to exception object. +*/ + +/* +** This is an auxiliary function called by sm_exc_new_x and sm_exc_raisenew_x. +** +** If an exception is raised, then to avoid a storage leak, we must: +** (a) Free all storage we have allocated. +** (b) Free all exception arguments in the varargs list. +** Getting this right is tricky. +** +** To see why (b) is required, consider the code fragment +** SM_EXCEPT(exc, "*") +** sm_exc_raisenew_x(&MyEtype, exc); +** SM_END_TRY +** In the normal case, sm_exc_raisenew_x will allocate and raise a new +** exception E that owns exc. When E is eventually freed, exc is also freed. +** In the exceptional case, sm_exc_raisenew_x must free exc before raising +** an out-of-memory exception so that exc is not leaked. +*/ + +SM_EXC_T * +sm_exc_vnew_x(etype, ap) + const SM_EXC_TYPE_T *etype; + va_list SM_NONVOLATILE ap; +{ + /* + ** All variables that are modified in the SM_TRY clause and + ** referenced in the SM_EXCEPT clause must be declared volatile. + */ + + /* NOTE: Type of si, i, and argc *must* match */ + SM_EXC_T * volatile exc = NULL; + int volatile si = 0; + SM_VAL_T * volatile argv = NULL; + int i, argc; + + SM_REQUIRE_ISA(etype, SmExcTypeMagic); + argc = strlen(etype->etype_argformat); + SM_TRY + { + /* + ** Step 1. Allocate the exception structure. + ** On failure, scan the varargs list and free all + ** exception arguments. + */ + + exc = sm_malloc_x(sizeof(SM_EXC_T)); + exc->sm_magic = SmExcMagic; + exc->exc_refcount = 1; + exc->exc_type = etype; + exc->exc_argv = NULL; + + /* + ** Step 2. Allocate the argument vector. + ** On failure, free exc, scan the varargs list and free all + ** exception arguments. On success, scan the varargs list, + ** and copy the arguments into argv. + */ + + argv = sm_malloc_x(argc * sizeof(SM_VAL_T)); + exc->exc_argv = argv; + for (i = 0; i < argc; ++i) + { + switch (etype->etype_argformat[i]) + { + case 'i': + argv[i].v_int = SM_VA_ARG(ap, int); + break; + case 'l': + argv[i].v_long = SM_VA_ARG(ap, long); + break; + case 'e': + argv[i].v_exc = SM_VA_ARG(ap, SM_EXC_T*); + break; + case 's': + argv[i].v_str = SM_VA_ARG(ap, char*); + break; + case 'r': + SM_REQUIRE(etype->etype_argformat[i+1] == '\0'); + argv[i].v_str = SM_VA_ARG(ap, char*); + break; + default: + sm_abort("sm_exc_vnew_x: bad argformat '%c'", + etype->etype_argformat[i]); + } + } + + /* + ** Step 3. Scan argv, and allocate space for all + ** string arguments. si is the number of elements + ** of argv that have been processed so far. + ** On failure, free exc, argv, all the exception arguments + ** and all of the strings that have been copied. + */ + + for (si = 0; si < argc; ++si) + { + switch (etype->etype_argformat[si]) + { + case 's': + { + char *str = argv[si].v_str; + if (str != NULL) + argv[si].v_str = sm_strdup_x(str); + } + break; + case 'r': + { + char *fmt = argv[si].v_str; + if (fmt != NULL) + argv[si].v_str = sm_vstringf_x(fmt, ap); + } + break; + } + } + } + SM_EXCEPT(e, "*") + { + if (exc == NULL || argv == NULL) + { + /* + ** Failure in step 1 or step 2. + ** Scan ap and free all exception arguments. + */ + + for (i = 0; i < argc; ++i) + { + switch (etype->etype_argformat[i]) + { + case 'i': + (void) SM_VA_ARG(ap, int); + break; + case 'l': + (void) SM_VA_ARG(ap, long); + break; + case 'e': + sm_exc_free(SM_VA_ARG(ap, SM_EXC_T*)); + break; + case 's': + case 'r': + (void) SM_VA_ARG(ap, char*); + break; + } + } + } + else + { + /* + ** Failure in step 3. Scan argv and free + ** all exception arguments and all string + ** arguments that have been duplicated. + ** Then free argv. + */ + + for (i = 0; i < argc; ++i) + { + switch (etype->etype_argformat[i]) + { + case 'e': + sm_exc_free(argv[i].v_exc); + break; + case 's': + case 'r': + if (i < si) + sm_free(argv[i].v_str); + break; + } + } + sm_free(argv); + } + sm_free(exc); + sm_exc_raise_x(e); + } + SM_END_TRY + + return exc; +} + +/* +** SM_EXC_NEW_X -- Construct a new exception object. +** +** Parameters: +** etype -- type of exception. +** ... -- varargs. +** +** Returns: +** pointer to exception object. +*/ + +SM_EXC_T * +#if SM_VA_STD +sm_exc_new_x( + const SM_EXC_TYPE_T *etype, + ...) +#else /* SM_VA_STD */ +sm_exc_new_x(etype, va_alist) + const SM_EXC_TYPE_T *etype; + va_dcl +#endif /* SM_VA_STD */ +{ + SM_EXC_T *exc; + SM_VA_LOCAL_DECL + + SM_VA_START(ap, etype); + exc = sm_exc_vnew_x(etype, ap); + SM_VA_END(ap); + return exc; +} + +/* +** SM_ADDREF -- Add a reference to an exception object. +** +** Parameters: +** exc -- exception object. +** +** Returns: +** exc itself. +*/ + +SM_EXC_T * +sm_addref(exc) + SM_EXC_T *exc; +{ + SM_REQUIRE_ISA(exc, SmExcMagic); + if (exc->exc_refcount != 0) + ++exc->exc_refcount; + return exc; +} + +/* +** SM_EXC_FREE -- Destroy a reference to an exception object. +** +** Parameters: +** exc -- exception object. +** +** Returns: +** none. +*/ + +void +sm_exc_free(exc) + SM_EXC_T *exc; +{ + if (exc == NULL) + return; + SM_REQUIRE(exc->sm_magic == SmExcMagic); + if (exc->exc_refcount == 0) + return; + if (--exc->exc_refcount == 0) + { + int i, c; + + for (i = 0; (c = exc->exc_type->etype_argformat[i]) != '\0'; + ++i) + { + switch (c) + { + case 's': + case 'r': + sm_free(exc->exc_argv[i].v_str); + break; + case 'e': + sm_exc_free(exc->exc_argv[i].v_exc); + break; + } + } + exc->sm_magic = NULL; + sm_free(exc->exc_argv); + sm_free(exc); + } +} + +/* +** SM_EXC_MATCH -- Match exception category against a glob pattern. +** +** Parameters: +** exc -- exception. +** pattern -- glob pattern. +** +** Returns: +** true iff match. +*/ + +bool +sm_exc_match(exc, pattern) + SM_EXC_T *exc; + const char *pattern; +{ + if (exc == NULL) + return false; + SM_REQUIRE(exc->sm_magic == SmExcMagic); + return sm_match(exc->exc_type->etype_category, pattern); +} + +/* +** SM_EXC_WRITE -- Write exception message to a stream (wo trailing newline). +** +** Parameters: +** exc -- exception. +** stream -- file for output. +** +** Returns: +** none. +*/ + +void +sm_exc_write(exc, stream) + SM_EXC_T *exc; + SM_FILE_T *stream; +{ + SM_REQUIRE_ISA(exc, SmExcMagic); + exc->exc_type->etype_print(exc, stream); +} + +/* +** SM_EXC_PRINT -- Print exception message to a stream (with trailing newline). +** +** Parameters: +** exc -- exception. +** stream -- file for output. +** +** Returns: +** none. +*/ + +void +sm_exc_print(exc, stream) + SM_EXC_T *exc; + SM_FILE_T *stream; +{ + SM_REQUIRE_ISA(exc, SmExcMagic); + exc->exc_type->etype_print(exc, stream); + (void) sm_io_putc(stream, SM_TIME_DEFAULT, '\n'); +} + +SM_EXC_HANDLER_T *SmExcHandler = NULL; +static SM_EXC_DEFAULT_HANDLER_T SmExcDefaultHandler = NULL; + +/* +** SM_EXC_NEWTHREAD -- Initialize exception handling for new process/thread. +** +** Parameters: +** h -- default exception handler. +** +** Returns: +** none. +*/ + +/* +** Initialize a new process or a new thread by clearing the +** exception handler stack and optionally setting a default +** exception handler function. Call this at the beginning of main, +** or in a new process after calling fork, or in a new thread. +** +** This function is a luxury, not a necessity. +** If h != NULL then you can get the same effect by +** wrapping the body of main, or the body of a forked child +** or a new thread in SM_TRY ... SM_EXCEPT(e,"*") h(e); SM_END_TRY. +*/ + +void +sm_exc_newthread(h) + SM_EXC_DEFAULT_HANDLER_T h; +{ + SmExcHandler = NULL; + SmExcDefaultHandler = h; +} + +/* +** SM_EXC_RAISE_X -- Raise an exception. +** +** Parameters: +** exc -- exception. +** +** Returns: +** doesn't. +*/ + +void SM_DEAD_D +sm_exc_raise_x(exc) + SM_EXC_T *exc; +{ + SM_REQUIRE_ISA(exc, SmExcMagic); + + if (SmExcHandler == NULL) + { + if (SmExcDefaultHandler != NULL) + { + SM_EXC_DEFAULT_HANDLER_T h; + + /* + ** If defined, the default handler is expected + ** to terminate the current thread of execution + ** using exit() or pthread_exit(). + ** If it instead returns normally, then we fall + ** through to the default case below. If it + ** raises an exception, then sm_exc_raise_x is + ** re-entered and, because we set SmExcDefaultHandler + ** to NULL before invoking h, we will again + ** end up in the default case below. + */ + + h = SmExcDefaultHandler; + SmExcDefaultHandler = NULL; + (*h)(exc); + } + + /* + ** No exception handler, so print the error and exit. + ** To override this behaviour on a program wide basis, + ** call sm_exc_newthread or put an exception handler in main(). + ** + ** XXX TODO: map the exception category to an exit code + ** XXX from . + */ + + sm_exc_print(exc, smioerr); + exit(255); + } + + if (SmExcHandler->eh_value == NULL) + SmExcHandler->eh_value = exc; + else + sm_exc_free(exc); + + sm_longjmp_nosig(SmExcHandler->eh_context, 1); +} + +/* +** SM_EXC_RAISENEW_X -- shorthand for sm_exc_raise_x(sm_exc_new_x(...)) +** +** Parameters: +** etype -- type of exception. +** ap -- varargs. +** +** Returns: +** none. +*/ + +void SM_DEAD_D +#if SM_VA_STD +sm_exc_raisenew_x( + const SM_EXC_TYPE_T *etype, + ...) +#else +sm_exc_raisenew_x(etype, va_alist) + const SM_EXC_TYPE_T *etype; + va_dcl +#endif +{ + SM_EXC_T *exc; + SM_VA_LOCAL_DECL + + SM_VA_START(ap, etype); + exc = sm_exc_vnew_x(etype, ap); + SM_VA_END(ap); + sm_exc_raise_x(exc); +} diff --git a/contrib/sendmail-8.13.4/libsm/exc.html b/contrib/sendmail-8.13.4/libsm/exc.html new file mode 100644 index 0000000000..a2990363ce --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/exc.html @@ -0,0 +1,757 @@ + + + libsm : Exception Handling + + + +Back to libsm overview + +
+

libsm : Exception Handling

+
$Id: exc.html,v 1.12 2001/02/13 21:21:25 gshapiro Exp $ +
+ +

Introduction

+ +The exception handling package provides the facilities that +functions in libsm use to report errors. +Here are the basic concepts: + +
    +
  1. + When a function detects an exceptional condition at the library level, + it does not print an error message, or call syslog, or + exit the program. Instead, it reports the error back to its + caller, and lets the caller decide what to do. + This improves modularity, because error handling is separated + from error reporting. +

    +

  2. + Errors are not represented by a single integer error code, + because that you can't represent everything that an error handler + might need to know about an error by a single integer. + Instead, errors are represented by exception objects. + An exception object contains an exception code and an array + of zero or more exception arguments. + The exception code is a string that specifies what kind of exception + this is, and the arguments may be integers, strings or exception objects. +

    +

  3. + Errors are not reported using a special return value, + because if you religiously check for error returns from every + function call that could fail, then most of your code ends up being + error handling code. Errors are reported by raising an exception. + When an exception is raised, we unwind the call stack + until we find an exception handler. If the exception is + not handled, then we print the exception on stderr and + exit the program. +
+ +

Synopsis

+ +
+#include <sm/exc.h>
+
+typedef struct sm_exc_type SM_EXC_TYPE_T;
+typedef struct sm_exc SM_EXC_T;
+typedef union sm_val SM_VAL_T;
+
+/*
+**  Exception types
+*/
+
+extern const char SmExcTypeMagic[];
+
+struct sm_exc_type
+{
+	const char	*sm_magic;
+	const char	*etype_category;
+	const char	*etype_argformat;
+	void 		(*etype_print)(SM_EXC_T *exc, SM_FILE_T *stream);
+	const char	*etype_printcontext;
+};
+
+extern const SM_EXC_TYPE_T SmEtypeOs;
+extern const SM_EXC_TYPE_T SmEtypeErr;
+
+void
+sm_etype_printf(
+	SM_EXC_T *exc,
+	SM_FILE_T *stream);
+
+/*
+**  Exception objects
+*/
+
+extern const char SmExcMagic[];
+
+union sm_val
+{
+	int		v_int;
+	long		v_long;
+	char		*v_str;
+	SM_EXC_T	*v_exc;
+};
+
+struct sm_exc
+{
+	const char		*sm_magic;
+	size_t			exc_refcount;
+	const SM_EXC_TYPE_T	*exc_type;
+	SM_VAL_T		*exc_argv;
+};
+
+SM_EXC_T *
+sm_exc_new_x(
+	const SM_EXC_TYPE_T *type,
+	...);
+
+SM_EXC_T *
+sm_exc_addref(
+	SM_EXC_T *exc);
+
+void
+sm_exc_free(
+	SM_EXC_T *exc);
+
+bool
+sm_exc_match(
+	SM_EXC_T *exc,
+	const char *pattern);
+
+void
+sm_exc_print(
+	SM_EXC_T *exc,
+	SM_FILE_T *stream);
+
+void
+sm_exc_write(
+	SM_EXC_T *exc,
+	SM_FILE_T *stream);
+
+void
+sm_exc_raise_x(
+	SM_EXC_T *exc);
+
+void
+sm_exc_raisenew_x(
+	const SM_EXC_TYPE_T *type,
+	...);
+
+/*
+**  Ensure that cleanup code is executed,
+**  and/or handle an exception.
+*/
+SM_TRY
+	Block of code that may raise an exception.
+SM_FINALLY
+	Cleanup code that may raise an exception.
+	This clause is guaranteed to be executed even if an exception is
+	raised by the SM_TRY clause or by an earlier SM_FINALLY clause.
+	You may have 0 or more SM_FINALLY clauses.
+SM_EXCEPT(exc, pattern)
+	Exception handling code, triggered by an exception
+	whose category matches 'pattern'.
+	You may have 0 or more SM_EXCEPT clauses.
+SM_END_TRY
+
+ +

Overview

+ + An exception is an object which represents an exceptional condition, + which might be an error condition like "out of memory", or might be + a condition like "end of file". +

+ Functions in libsm report errors and other unusual conditions by + raising an exception, rather than by returning an error code or + setting a global variable such as errno. If a libsm function is + capable of raising an exception, its name ends in "_x". + (We do not raise an exception when a bug is detected in the + program; instead, we terminate the program using sm_abort. + See the assertion package + for details.) +

+ When you are using the libsm exception handling package, + you are using a new programming paradigm. + You will need to abandon some of the programming idioms + you are accustomed to, and switch to new idioms. + Here is an overview of some of these idioms. +

    +
  1. + When a function is unable to complete its task because + of an exceptional condition, it reports this condition + by raising an exception. +

    + Here is an example of how to construct an exception object + and raise an exception. + In this example, we convert a Unix system error into an exception. +

    +fd = open(path, O_RDONLY);
+if (fd == -1)
+	sm_exc_raise_x(sm_exc_new_x(&SmEtypeOs, errno, "open", "%s", path));
+
    + + Because the idiom sm_exc_raise_x(sm_exc_new_x(...)) + is so common, it can be abbreviated as sm_exc_raisenew_x(...). +

    +

  2. + When you detect an error at the application level, + you don't call a function like BSD's errx, + which prints an error message on stderr and exits the program. + Instead, you raise an exception. + This causes cleanup code in surrounding exception handlers + to be run before the program exits. + For example, instead of this: +
    +errx(1, "%s:%d: syntax error", filename, lineno);
+
    + + use this: + +
    +sm_exc_raisenew_x(&SmEtypeErr, "%s:%d: syntax error", filename, lineno);
+
    + + The latter code raises an exception, unwinding the call stack + and executing cleanup code. + If the exception is not handled, then the exception is printed + to stderr and the program exits. + The end result is substantially the same as a call to errx. +

    +

  3. + The SM_TRY ... SM_FINALLY ... control structure + ensures that cleanup code is executed and resources are released + in the presence of exceptions. +

    + For example, suppose that you have written the following code: + +

    +rpool = sm_rpool_new_x(&SmRpoolRoot, 0);
+... some code ...
+sm_rpool_free_x(rpool);
+
    + + If any of the functions called within "... some code ..." have + names ending in _x, then it is possible that an exception will be + raised, and if that happens, then "rpool" will not be freed. + And that's a bug. To fix this bug, change your code so it looks + like this: + +
    +rpool = sm_rpool_new_x(&SmRpoolRoot, 0);
+SM_TRY
+	... some code that can raise an exception ...
+SM_FINALLY
+	sm_rpool_free_x(rpool);
+SM_END_TRY
+
    + +
  4. + The SM_TRY ... SM_EXCEPT ... control structure handles an exception. + Unhandled exceptions terminate the program. + For example, here is a simple exception handler + that traps all exceptions, and prints the exceptions: + +
    +SM_TRY
+	/* code that can raise an exception */
+	...
+SM_EXCEPT(exc, "*")
+	/* catch all exceptions */
+	sm_exc_print(exc, stderr);
+SM_END_TRY
+
    + + Exceptions are reference counted. The SM_END_TRY macro contains a + call to sm_exc_free, so you don't normally need to worry about freeing + an exception after handling it. In the rare case that you want an + exception to outlive an exception handler, then you increment its + reference count by calling sm_exc_addref. +

    +

  5. + The second argument of the SM_EXCEPT macro is a glob pattern + which specifies the types of exceptions that are to be handled. + For example, you might want to handle an end-of-file exception + differently from other exceptions. + Here's how you do that: + +
    +SM_TRY
+	/* code that might raise end-of-file, or some other exception */
+	...
+SM_EXCEPT(exc, "E:sm.eof")
+	/* what to do if end-of-file is encountered */
+	...
+SM_EXCEPT(exc, "*")
+	/* what to do if some other exception is raised */
+	...
+SM_END_TRY
+
    +
+ +

Exception Values

+ +In traditional C code, errors are usually denoted by a single integer, +such as errno. In practice, errno does not carry enough information +to describe everything that an error handler might want to know about +an error. And the scheme is not very extensible: if several different +packages want to add additional error codes, it is hard to avoid +collisions. + +

+In libsm, an exceptional condition is described +by an object of type SM_EXC_T. +An exception object is created by specifying an exception type +and a list of exception arguments. + +

+The exception arguments are an array of zero or more values. +The values may be a mixture of ints, longs, strings, and exceptions. +In the SM_EXC_T structure, the argument vector is represented +by SM_VAL_T *exc_argv, where SM_VAL_T +is a union of the possible argument types. +The number and types of exception arguments is determined by +the exception type. + +

+An exception type is a statically initialized const object +of type SM_EXC_TYPE_T, which has the following members: + +

+
+ const char *sm_magic +
+ A pointer to SmExcTypeMagic. +

+

+ const char *etype_category +
+ This is a string of the form + "class:name". +

+ The class is used to assign the exception type to + one of a number of broad categories of exceptions on which an + exception handler might want to discriminate. + I suspect that what we want is a hierarchical taxonomy, + but I don't have a full design for this yet. + For now, I am recommending the following classes: +

+
"F" +
A fatal error has occurred. + This is an error that prevents the application + from making any further progress, so the only + recourse is to raise an exception, execute cleanup code + as the stack is unwound, then exit the application. + The out-of-memory exception raised by sm_malloc_x + has category "F:sm.heap" because sendmail commits suicide + (after logging the error and cleaning up) when it runs out + of memory. + +
"E" +
The function could not complete its task because an error occurred. + (It might be useful to define subclasses of this category, + in which case our taxonony becomes a tree, and 'F' becomes + a subclass of 'E'.) + +
"J" +
This exception is being raised in order to effect a + non-local jump. No error has occurred; we are just + performing the non-local equivalent of a continue, + break or return. + +
"S" +
The function was interrupted by a signal. + Signals are not errors because they occur asynchronously, + and they are semantically unrelated to the function that + happens to be executing when the signal arrives. + Note that it is extremely dangerous to raise an exception + from a signal handler. For example, if you are in the middle + of a call to malloc, you might corrupt the heap. +
+ Eric's libsm paper defines "W", "D" and "I" + for Warning, Debug and Informational: + I suspect these categories only make sense in the context of + Eric's 1985 exception handling system which allowed you to + raise conditions without terminating the calling function. +

+ The name uniquely identifies the exception type. + I recommend a string of the form + library.package.detail. +

+

+ const char *etype_argformat +
+ This is an array of single character codes. + Each code indicates the type of one of the exception arguments. + sm_exc_new_x uses this string to decode its variable + argument list into an exception argument vector. + The following type codes are supported: +
+
i +
+ The exception argument has type int. +
l +
+ The exception argument has type long. +
e +
+ The exception argument has type SM_EXC_T*. + The value may either be NULL or a pointer + to an exception. The pointer value is simply copied + into the exception argument vector. +
s +
+ The exception argument has type char*. + The value may either be NULL or a pointer + to a character string. In the latter case, + sm_exc_new_x will make a copy of the string. +
r +
+ The exception argument has type char*. + sm_exc_new_x will read a printf-style + format string argument followed by a list of printf + arguments from its variable argument list, and convert + these into a string. + This type code can only occur as the last element + of exc_argformat. +
+

+

+ void (*etype_print)(SM_EXC_T *exc, SM_FILE_T *stream) +
+ This function prints an exception of the specified type + onto an output stream. + The final character printed is not a newline. +
+ +

Standard Exceptions and Exception Types

+ +Libsm defines one standard exception value, SmHeapOutOfMemory. +This is a statically initialized const variable, because it seems +like a bad idea to dynamically allocate an exception object to +report a low memory condition. +This exception has category "F:sm.heap". +If you need to, you can explicitly raise this exception +with sm_exc_raise_x(&SmHeapOutOfMemory). + +

+Statically initialized exception values cannot contain any +run-time parameters, so the normal case is to dynamically allocate +a new exception object whenever you raise an exception. +Before you can create an exception, you need an exception type. +Libsm defines the following standard exception types. + +

+
+ SmEtypeOs +
+ This represents a generic operating system error. + The category is "E:sm.os". + The argformat is "isr", + where argv[0] is the value of errno + after a system call has failed, + argv[1] is the name of the function (usually a system call) that failed, + and argv[2] is either NULL + or a character string which describes some of the arguments + to the failing system call (usually it is just a file name). + Here's an example of raising an exception: + +
+fd = open(filename, O_RDONLY);
+if (fd == -1)
+	sm_exc_raisenew_x(&SmEtypeOs, errno, "open", "%s", filename);
+
+ + If errno is ENOENT and filename is "/etc/mail/snedmail.cf", + then the exception raised by the above code will be printed as + +
+/etc/mail/snedmail.cf: open failed: No such file or directory
+
+ +
+ SmEtypeErr +
+ This represents a generic error. + The category is "E:sm.err", + and the argformat is "r". + You can use it + in application contexts where you are raising an exception + for the purpose of terminating the program. + You know the exception won't be handled, + so you don't need to worry about packaging the error for + later analysis by an exception handler. + All you need to specify is the message string that + will be printed to stderr before the program exits. + For example, + +
+sm_exc_raisenew_x(&SmEtypeErr, "name lookup failed: %s", name);
+
+
+ +

Custom Exception Types

+ +If you are writing a library package, and you need to raise +exceptions that are not standard Unix system errors, +then you need to define one or more new exception types. + +

+Every new exception type needs a print function. +The standard print function sm_etype_printf +is all you need in the majority of cases. +It prints the etype_printcontext string of the exception type, +substituting occurrences of %0 through %9 with the corresponding +exception argument. +If exception argument 3 is an int or long, +then %3 will print the argument in decimal, +and %o3 or %x3 will print it in octal or hex. + +

+In the following example, I will assume that your library +package implements regular expressions, and can raise 5 different exceptions. +When compiling a regular expression, 3 different syntax errors +can be reported: +

    +
  • unbalanced parenthesis +
  • unbalanced bracket +
  • missing argument for repetition operator +
+Whenever one of these errors is reported, you will also report +the index of the character within the regex string at which the +syntax error was detected. +The fourth exception is raised if a compiled regular expression +is invalid: this exception has no arguments. +The fifth exception is raised if the package runs out of memory: +for this, you use the standard SmHeapOutOfMemory exception. + +

+The obvious approach is to define 4 separate exception types. +Here they are: + +

+/* print a regular expression syntax error */
+void
+rx_esyntax_print(SM_EXC_T *exc, SM_FILE_T *stream)
+{
+	sm_io_fprintf(stream, "rx syntax error at character %d: %s",
+		exc->exc_argv[0].v_int,
+		exc->exc_type->etype_printcontext);
+}
+SM_EXC_TYPE_T RxSyntaxParen = {
+	SmExcTypeMagic,
+	"E:mylib.rx.syntax.paren",
+	"i",
+	rx_esyntax_print,
+	"unbalanced parenthesis"
+};
+SM_EXC_TYPE_T RxSyntaxBracket = {
+	SmExcTypeMagic,
+	"E:mylib.rx.syntax.bracket",
+	"i",
+	rx_esyntax_print,
+	"unbalanced bracket"
+};
+SM_EXC_TYPE_T RxSyntaxMissingArg = {
+	SmExcTypeMagic,
+	"E:mylib.rx.syntax.missingarg",
+	"i",
+	rx_esyntax_print,
+	"missing argument for repetition operator"
+};
+
+SM_EXC_TYPE_T RxRunCorrupt = {
+	SmExcTypeMagic,
+	"E:mylib.rx.run.corrupt",
+	"",
+	sm_etype_printf,
+	"rx runtime error: compiled regular expression is corrupt"
+};
+
+ +

+With the above definitions, you can raise a syntax error reporting +an unbalanced parenthesis at string offset i using: +

+sm_exc_raisenew_x(&RxSyntaxParen, i);
+
+ +If i==42 then this exception will be printed as: +
+rx syntax error at character 42: unbalanced parenthesis
+
+ +An exception handler can provide special handling for regular +expression syntax errors using this code: +
+SM_TRY
+	... code that might raise an exception ...
+SM_EXCEPT(exc, "E:mylib.rx.syntax.*")
+	int i = exc->exc_argv[0].v_int;
+	... handle a regular expression syntax error ...
+SM_END_TRY
+
+ +

+External requirements may force you to define an integer code +for each error reported by your package. Or you may be wrapping +an existing package that works this way. In this case, it might +make sense to define a single exception type, patterned after SmEtypeOs, +and include the integer code as an exception argument. + +

+Your package might intercept an exception E generated by a lower +level package, and then reclassify it as a different expression E'. +For example, a package for reading a configuration file might +reclassify one of the regular expression syntax errors from the +previous example as a configuration file syntax error. +When you do this, the new exception E' should include the original +exception E as an exception parameter, and the print function for +exception E' should print the high level description of the exception +(eg, "syntax error in configuration file %s at line %d\n"), +then print the subexception that is stored as an exception parameter. + +

Function Reference

+ +
+
+ SM_EXC_T *sm_exc_new_x(const SM_EXC_TYPE_T *type, ...) +
+ Create a new exception. Raise an exception on heap exhaustion. + The new exception has a reference count of 1. +

+ + A list of zero or more exception arguments follows the exception type; + these are copied into the new exception object. + The number and types of these arguments is determined + by type->etype_argformat. +

+ + Note that there is no rpool argument to sm_exc_new_x. + Exceptions are allocated directly from the heap. + This is because exceptions are normally raised at low levels + of abstraction and handled at high levels. Because the low + level code typically has no idea of how or at what level the + exception will be handled, it also has no idea of which resource + pool, if any, should own the exception. +

+

+ SM_EXC_T *sm_exc_addref(SM_EXC_T *exc) +
+ Increment the reference count of an exception. + Return the first argument. +

+

+ void sm_exc_free(SM_EXC_T *exc) +
+ Decrement the reference count of an exception. + If it reaches 0, free the exception object. +

+

+ bool sm_exc_match(SM_EXC_T *exc, const char *pattern) +
+ Compare the exception's category to the specified glob pattern, + return true if they match. +

+

+ void sm_exc_print(SM_EXC_T *exc, SM_FILE_T *stream) +
+ Print the exception on the stream + as a sequence of one or more newline terminated lines. +

+

+ void sm_exc_write(SM_EXC_T *exc, SM_FILE_T *stream) +
+ Write the exception on the stream without a terminating newline. +

+

+ void sm_exc_raise_x(SM_EXC_T *exc) +
+ Raise the exception. This function does not return to its caller. +

+

+ void sm_exc_raisenew_x(const SM_EXC_TYPE_T *type, ...) +
+ A short form for sm_exc_raise_x(sm_exc_new_x(type,...)). +
+ +

Macro Reference

+ +The SM_TRY ... SM_END_TRY control structure +ensures that cleanup code is executed in the presence of exceptions, +and permits exceptions to be handled. + +
+SM_TRY
+	A block of code that may raise an exception.
+SM_FINALLY
+	Cleanup code that may raise an exception.
+	This code is guaranteed to be executed whether or not
+	an exception was raised by a previous clause.
+	You may have 0 or more SM_FINALLY clauses.
+SM_EXCEPT(e, pat)
+	Exception handling code, which is triggered by an exception
+	whose category matches the glob pattern 'pat'.
+	The exception value is bound to the local variable 'e'.
+	You may have 0 or more SM_EXCEPT clauses.
+SM_END_TRY
+
+ +First, the SM_TRY clause is executed, then each SM_FINALLY clause is +executed in sequence. +If one or more of these clauses was terminated by an exception, +then the first such exception is remembered, and the other exceptions +are lost. + +If no exception was raised, then we are done. + +Otherwise, each of the SM_EXCEPT clauses is examined in sequence. +and the first SM_EXCEPT clause whose pattern argument matches the exception +(see sm_exc_match) is executed. +If none of the SM_EXCEPT clauses matched the exception, or if there are +no SM_EXCEPT clauses, then the remembered exception is re-raised. + +

+SM_TRY .. SM_END_TRY clauses may be nested arbitrarily. + +

+It is illegal to jump out of a SM_TRY or SM_FINALLY clause +using goto, break, continue, return or longjmp. +If you do this, you will corrupt the internal exception handling stack. +You can't use break or continue in an SM_EXCEPT clause; +these are reserved for use by the implementation. +It is legal to jump out of an SM_EXCEPT clause using goto or return; +however, in this case, you must take responsibility +for freeing the exception object. + +

+The SM_TRY and SM_FINALLY macros contain calls to setjmp, +and consequently, they suffer from the limitations imposed on setjmp +by the C standard. +Suppose you declare an auto variable i outside of a +SM_TRY ... SM_END_TRY statement, initializing it to 0. +Then you modify i inside of a SM_TRY or SM_FINALLY clause, +setting it to 1. +If you reference i in a different SM_FINALLY clause, or in +an SM_EXCEPT clause, then it is implementation dependent whether i +will be 0 or 1, unless you have declared i to be volatile. + +

+int volatile i = 0;
+
+SM_TRY
+	i = 1;
+	...
+SM_FINALLY
+	/* the following reference to i only works if i is declared volatile */
+	use(i);
+	...
+SM_EXCEPT(exc, "*")
+	/* the following reference to i only works if i is declared volatile */
+	use(i);
+	...
+SM_END_TRY
+
+ + + diff --git a/contrib/sendmail-8.13.4/libsm/fclose.c b/contrib/sendmail-8.13.4/libsm/fclose.c new file mode 100644 index 0000000000..1a469fbd4a --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fclose.c @@ -0,0 +1,149 @@ +/* + * Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fclose.c,v 1.43 2004/08/03 20:17:38 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static void closealrm __P((int)); +static jmp_buf CloseTimeOut; + +/* +** CLOSEALRM -- handler when timeout activated for sm_io_close() +** +** Returns flow of control to where setjmp(CloseTimeOut) was set. +** +** Parameters: +** sig -- unused +** +** Returns: +** does not return +** +** Side Effects: +** returns flow of control to setjmp(CloseTimeOut). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +static void +closealrm(sig) + int sig; +{ + longjmp(CloseTimeOut, 1); +} + +/* +** SM_IO_CLOSE -- close a file handle/pointer +** +** Parameters: +** fp -- file pointer to be closed +** timeout -- maximum time allowed to perform the close (millisecs) +** +** Returns: +** 0 on success +** -1 on failure and sets errno +** +** Side Effects: +** file pointer 'fp' will no longer be valid. +*/ + +int +sm_io_close(fp, timeout) + register SM_FILE_T *fp; + int SM_NONVOLATILE timeout; +{ + register int SM_NONVOLATILE r; + SM_EVENT *evt = NULL; + + if (fp == NULL) + { + errno = EBADF; + return SM_IO_EOF; + } + + SM_REQUIRE_ISA(fp, SmFileMagic); + + /* XXX this won't be reached if above macro is active */ + if (fp->sm_magic == NULL) + { + /* not open! */ + errno = EBADF; + return SM_IO_EOF; + } + if (fp->f_close == NULL) + { + /* no close function! */ + errno = ENODEV; + return SM_IO_EOF; + } + if (fp->f_dup_cnt > 0) + { + /* decrement file pointer open count */ + fp->f_dup_cnt--; + return 0; + } + + /* Okay, this is where we set the timeout. */ + if (timeout == SM_TIME_DEFAULT) + timeout = fp->f_timeout; + if (timeout == SM_TIME_IMMEDIATE) + { + errno = EAGAIN; + return -1; + } + + /* No more duplicates of file pointer. Flush buffer and close */ + r = fp->f_flags & SMWR ? sm_flush(fp, (int *) &timeout) : 0; + + /* sm_flush() has updated to.it_value for the time it's used */ + if (timeout != SM_TIME_FOREVER) + { + if (setjmp(CloseTimeOut) != 0) + { + errno = EAGAIN; + return SM_IO_EOF; + } + evt = sm_seteventm(timeout, closealrm, 0); + } + if ((*fp->f_close)(fp) < 0) + r = SM_IO_EOF; + + /* We're back. So undo our timeout and handler */ + if (evt != NULL) + sm_clrevent(evt); + if (fp->f_flags & SMMBF) + { + sm_free((char *)fp->f_bf.smb_base); + fp->f_bf.smb_base = NULL; + } + if (HASUB(fp)) + FREEUB(fp); + fp->f_flags = 0; /* clear flags */ + fp->sm_magic = NULL; /* Release this SM_FILE_T for reuse. */ + fp->f_r = fp->f_w = 0; /* Mess up if reaccessed. */ + return r; +} diff --git a/contrib/sendmail-8.13.4/libsm/feof.c b/contrib/sendmail-8.13.4/libsm/feof.c new file mode 100644 index 0000000000..8d5e0d8fcd --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/feof.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: feof.c,v 1.13 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include "local.h" + +/* +** SM_IO_EOF -- subroutine version of the macro sm_io_eof. +** +** Tests if the file for 'fp' has reached the end. +** +** Parameters: +** fp -- file pointer. +** +** Returns: +** 0 (zero) when the file is not at end +** non-zero when EOF has been found +*/ +#undef sm_io_eof + +int +sm_io_eof(fp) + SM_FILE_T *fp; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + + return sm_eof(fp); +} diff --git a/contrib/sendmail-8.13.4/libsm/ferror.c b/contrib/sendmail-8.13.4/libsm/ferror.c new file mode 100644 index 0000000000..9487479a22 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/ferror.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: ferror.c,v 1.13 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include "local.h" + +/* +** SM_IO_ERROR -- subroutine version of the macro sm_io_error. +** +** Parameters: +** fp -- file pointer +** +** Returns: +** 0 (zero) when 'fp' is not in an error state +** non-zero when 'fp' is in an error state +*/ + +#undef sm_io_error + +int +sm_io_error(fp) + SM_FILE_T *fp; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + + return sm_error(fp); +} diff --git a/contrib/sendmail-8.13.4/libsm/fflush.c b/contrib/sendmail-8.13.4/libsm/fflush.c new file mode 100644 index 0000000000..83b318e259 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fflush.c @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fflush.c,v 1.43 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" +#include + +/* +** SM_IO_FLUSH -- flush the buffer for a 'fp' to the "file" +** +** Flush a single file. We don't allow this function to flush +** all open files when fp==NULL any longer. +** +** Parameters: +** fp -- the file pointer buffer to flush +** timeout -- time to complete the flush +** +** Results: +** Failure: SM_IO_EOF and sets errno +** Success: 0 (zero) +*/ + +int +sm_io_flush(fp, timeout) + register SM_FILE_T *fp; + int SM_NONVOLATILE timeout; +{ + int fd; + struct timeval to; + + SM_REQUIRE_ISA(fp, SmFileMagic); + + if ((fp->f_flags & (SMWR | SMRW)) == 0) + { + /* + ** The file is not opened for writing, so it cannot be flushed + ** (writable means SMWR [write] or SMRW [read/write]. + */ + + errno = EBADF; + return SM_IO_EOF; + } + + SM_CONVERT_TIME(fp, fd, timeout, &to); + + /* Now do the flush */ + return sm_flush(fp, (int *) &timeout); +} + +/* +** SM_FLUSH -- perform the actual flush +** +** Assumes that 'fp' has been validated before this function called. +** +** Parameters: +** fp -- file pointer to be flushed +** timeout -- max time allowed for flush (milliseconds) +** +** Results: +** Success: 0 (zero) +** Failure: SM_IO_EOF and errno set +** +** Side Effects: +** timeout will get updated with the time remaining (if any) +*/ + +int +sm_flush(fp, timeout) + register SM_FILE_T *fp; + int *timeout; +{ + register unsigned char *p; + register int n, t; + int fd; + + SM_REQUIRE_ISA(fp, SmFileMagic); + + t = fp->f_flags; + if ((t & SMWR) == 0) + return 0; + + if (t & SMSTR) + { + *fp->f_p = '\0'; + return 0; + } + + if ((p = fp->f_bf.smb_base) == NULL) + return 0; + + n = fp->f_p - p; /* write this much */ + + if ((fd = sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL)) == -1) + { + /* can't get an fd, likely internal 'fake' fp */ + errno = 0; + fd = -1; + } + + /* + ** Set these immediately to avoid problems with longjmp and to allow + ** exchange buffering (via setvbuf) in user write function. + */ + + fp->f_p = p; + fp->f_w = t & (SMLBF|SMNBF) ? 0 : fp->f_bf.smb_size; /* implies SMFBF */ + + for (; n > 0; n -= t, p += t) + { + errno = 0; /* needed to ensure EOF correctly found */ + + /* Call the file type's write function */ + t = (*fp->f_write)(fp, (char *)p, n); + if (t <= 0) + { + if (t == 0 && errno == 0) + break; /* EOF found */ + + if (IS_IO_ERROR(fd, t, *timeout)) + { + fp->f_flags |= SMERR; + + /* errno set by fp->f_write */ + return SM_IO_EOF; + } + SM_IO_WR_TIMEOUT(fp, fd, *timeout); + } + } + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/fget.c b/contrib/sendmail-8.13.4/libsm/fget.c new file mode 100644 index 0000000000..611748c6ec --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fget.c @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fget.c,v 1.24 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include +#include "local.h" + +/* +** SM_IO_FGETS -- get a string from a file +** +** Read at most n-1 characters from the given file. +** Stop when a newline has been read, or the count ('n') runs out. +** +** Parameters: +** fp -- the file to read from +** timeout -- time to complete reading the string in milliseconds +** buf -- buffer to place read string in +** n -- size of 'buf' +** +** Returns: +** success: returns value of 'buf' +** failure: NULL (no characters were read) +** timeout: NULL and errno set to EAGAIN +** +** Side Effects: +** may move the file pointer +*/ + +char * +sm_io_fgets(fp, timeout, buf, n) + register SM_FILE_T *fp; + int timeout; + char *buf; + register int n; +{ + register int len; + register char *s; + register unsigned char *p, *t; + + SM_REQUIRE_ISA(fp, SmFileMagic); + if (n <= 0) /* sanity check */ + return NULL; + + s = buf; + n--; /* leave space for NUL */ + while (n > 0) + { + /* If the buffer is empty, refill it. */ + if ((len = fp->f_r) <= 0) + { + + /* + ** Timeout is only passed if we can't get the data + ** from the buffer (which is counted as immediately). + */ + + if (sm_refill(fp, timeout) != 0) + { + /* EOF/error: stop with partial or no line */ + if (s == buf) + return NULL; + break; + } + len = fp->f_r; + } + p = fp->f_p; + + /* + ** Scan through at most n bytes of the current buffer, + ** looking for '\n'. If found, copy up to and including + ** newline, and stop. Otherwise, copy entire chunk + ** and loop. + */ + + if (len > n) + len = n; + t = (unsigned char *) memchr((void *) p, '\n', len); + if (t != NULL) + { + len = ++t - p; + fp->f_r -= len; + fp->f_p = t; + (void) memcpy((void *) s, (void *) p, len); + s[len] = 0; + return buf; + } + fp->f_r -= len; + fp->f_p += len; + (void) memcpy((void *) s, (void *) p, len); + s += len; + n -= len; + } + *s = 0; + return buf; +} diff --git a/contrib/sendmail-8.13.4/libsm/findfp.c b/contrib/sendmail-8.13.4/libsm/findfp.c new file mode 100644 index 0000000000..115ed22fa8 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/findfp.c @@ -0,0 +1,425 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: findfp.c,v 1.66 2002/02/20 02:40:24 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" +#include "glue.h" + +bool Sm_IO_DidInit; /* IO system has been initialized? */ + +const char SmFileMagic[] = "sm_file"; + +/* An open type to map to fopen()-like behavior */ +SM_FILE_T SmFtStdio_def = + {SmFileMagic, 0, 0, 0, (SMRW|SMFBF), -1, {0, 0}, 0, 0, 0, + sm_stdclose, sm_stdread, sm_stdseek, sm_stdwrite, + sm_stdopen, sm_stdsetinfo, sm_stdgetinfo, SM_TIME_FOREVER, + SM_TIME_BLOCK, "stdio" }; + +/* An open type to map to fdopen()-like behavior */ +SM_FILE_T SmFtStdiofd_def = + {SmFileMagic, 0, 0, 0, (SMRW|SMFBF), -1, {0, 0}, 0, 0, 0, + sm_stdclose, sm_stdread, sm_stdseek, sm_stdwrite, + sm_stdfdopen, sm_stdsetinfo, sm_stdgetinfo, SM_TIME_FOREVER, + SM_TIME_BLOCK, "stdiofd" }; + +/* A string file type */ +SM_FILE_T SmFtString_def = + {SmFileMagic, 0, 0, 0, (SMRW|SMNBF), -1, {0, 0}, 0, 0, 0, + sm_strclose, sm_strread, sm_strseek, sm_strwrite, + sm_stropen, sm_strsetinfo, sm_strgetinfo, SM_TIME_FOREVER, + SM_TIME_BLOCK, "string" }; + +#if 0 +/* A file type for syslog communications */ +SM_FILE_T SmFtSyslog_def = + {SmFileMagic, 0, 0, 0, (SMRW|SMNBF), -1, {0, 0}, 0, 0, 0, + sm_syslogclose, sm_syslogread, sm_syslogseek, sm_syslogwrite, + sm_syslogopen, sm_syslogsetinfo, sm_sysloggetinfo, SM_TIME_FOREVER, + SM_TIME_BLOCK, "syslog" }; +#endif /* 0 */ + +#define NDYNAMIC 10 /* add ten more whenever necessary */ + +#define smio(flags, file, name) \ + {SmFileMagic, 0, 0, 0, flags, file, {0}, 0, SmIoF+file, 0, \ + sm_stdclose, sm_stdread, sm_stdseek, sm_stdwrite, \ + sm_stdopen, sm_stdsetinfo, sm_stdgetinfo, SM_TIME_FOREVER, \ + SM_TIME_BLOCK, name} + +/* sm_magic p r w flags file bf lbfsize cookie ival */ +#define smstd(flags, file, name) \ + {SmFileMagic, 0, 0, 0, flags, -1, {0}, 0, 0, file, \ + sm_stdioclose, sm_stdioread, sm_stdioseek, sm_stdiowrite, \ + sm_stdioopen, sm_stdiosetinfo, sm_stdiogetinfo, SM_TIME_FOREVER,\ + SM_TIME_BLOCK, name} + +/* A file type for interfacing to stdio FILE* streams. */ +SM_FILE_T SmFtRealStdio_def = smstd(SMRW|SMNBF, -1, "realstdio"); + + /* the usual - (stdin + stdout + stderr) */ +static SM_FILE_T usual[SM_IO_OPEN_MAX - 3]; +static struct sm_glue smuglue = { 0, SM_IO_OPEN_MAX - 3, usual }; + +/* List of builtin automagically already open file pointers */ +SM_FILE_T SmIoF[6] = +{ + smio(SMRD|SMLBF, SMIOIN_FILENO, "smioin"), /* smioin */ + smio(SMWR|SMLBF, SMIOOUT_FILENO, "smioout"), /* smioout */ + smio(SMWR|SMNBF, SMIOERR_FILENO, "smioerr"), /* smioerr */ + smstd(SMRD|SMNBF, SMIOIN_FILENO, "smiostdin"), /* smiostdin */ + smstd(SMWR|SMNBF, SMIOOUT_FILENO, "smiostdout"),/* smiostdout */ + smstd(SMWR|SMNBF, SMIOERR_FILENO, "smiostderr") /* smiostderr */ +}; + +/* Structure containing list of currently open file pointers */ +struct sm_glue smglue = { &smuglue, 3, SmIoF }; + +/* +** SM_MOREGLUE -- adds more space for open file pointers +** +** Parameters: +** n -- number of new spaces for file pointers +** +** Returns: +** Raises an exception if no more memory. +** Otherwise, returns a pointer to new spaces. +*/ + +static struct sm_glue *sm_moreglue_x __P((int)); +static SM_FILE_T empty; + +static struct sm_glue * +sm_moreglue_x(n) + register int n; +{ + register struct sm_glue *g; + register SM_FILE_T *p; + + g = (struct sm_glue *) sm_pmalloc_x(sizeof(*g) + SM_ALIGN_BITS + + n * sizeof(SM_FILE_T)); + p = (SM_FILE_T *) SM_ALIGN(g + 1); + g->gl_next = NULL; + g->gl_niobs = n; + g->gl_iobs = p; + while (--n >= 0) + *p++ = empty; + return g; +} + +/* +** SM_FP -- allocate and initialize an SM_FILE structure +** +** Parameters: +** t -- file type requested to be opened. +** flags -- control flags for file type behavior +** oldfp -- file pointer to reuse if available (optional) +** +** Returns: +** Raises exception on memory exhaustion. +** Aborts if type is invalid. +** Otherwise, returns file pointer for requested file type. +*/ + +SM_FILE_T * +sm_fp(t, flags, oldfp) + const SM_FILE_T *t; + const int flags; + SM_FILE_T *oldfp; +{ + register SM_FILE_T *fp; + register int n; + register struct sm_glue *g; + + SM_REQUIRE(t->f_open && t->f_close && (t->f_read || t->f_write)); + + if (!Sm_IO_DidInit) + sm_init(); + + if (oldfp != NULL) + { + fp = oldfp; + goto found; /* for opening reusing an 'fp' */ + } + + for (g = &smglue;; g = g->gl_next) + { + for (fp = g->gl_iobs, n = g->gl_niobs; --n >= 0; fp++) + if (fp->sm_magic == NULL) + goto found; + if (g->gl_next == NULL) + g->gl_next = sm_moreglue_x(NDYNAMIC); + } +found: + fp->sm_magic = SmFileMagic; /* 'fp' now valid and in-use */ + fp->f_p = NULL; /* no current pointer */ + fp->f_w = 0; /* nothing to write */ + fp->f_r = 0; /* nothing to read */ + fp->f_flags = flags; + fp->f_file = -1; /* no file */ + fp->f_bf.smb_base = NULL; /* no buffer */ + fp->f_bf.smb_size = 0; /* no buffer size with no buffer */ + fp->f_lbfsize = 0; /* not line buffered */ + fp->f_flushfp = NULL; /* no associated flush file */ + + fp->f_cookie = fp; /* default: *open* overrides cookie setting */ + fp->f_close = t->f_close; /* assign close function */ + fp->f_read = t->f_read; /* assign read function */ + fp->f_seek = t->f_seek; /* assign seek function */ + fp->f_write = t->f_write; /* assign write function */ + fp->f_open = t->f_open; /* assign open function */ + fp->f_setinfo = t->f_setinfo; /* assign setinfo function */ + fp->f_getinfo = t->f_getinfo; /* assign getinfo function */ + fp->f_type = t->f_type; /* file type */ + + fp->f_ub.smb_base = NULL; /* no ungetc buffer */ + fp->f_ub.smb_size = 0; /* no size for no ungetc buffer */ + + if (fp->f_timeout == SM_TIME_DEFAULT) + fp->f_timeout = SM_TIME_FOREVER; + else + fp->f_timeout = t->f_timeout; /* traditional behavior */ + fp->f_timeoutstate = SM_TIME_BLOCK; /* by default */ + + return fp; +} + +/* +** SM_CLEANUP -- cleanup function when exit called. +** +** This function is registered via atexit(). +** +** Parameters: +** none +** +** Returns: +** nothing. +** +** Side Effects: +** flushes open files before they are forced closed +*/ + +void +sm_cleanup() +{ + int timeout = SM_TIME_DEFAULT; + + (void) sm_fwalk(sm_flush, &timeout); /* `cheating' */ +} + +/* +** SM_INIT -- called whenever sm_io's internal variables must be set up. +** +** Parameters: +** none +** +** Returns: +** none +** +** Side Effects: +** Registers sm_cleanup() using atexit(). +*/ + +void +sm_init() +{ + if (Sm_IO_DidInit) /* paranoia */ + return; + + /* more paranoia: initialize pointers in a static variable */ + empty.f_type = NULL; + empty.sm_magic = NULL; + + /* make sure we clean up on exit */ + atexit(sm_cleanup); /* conservative */ + Sm_IO_DidInit = true; +} + +/* +** SM_IO_SETINFO -- change info for an open file type (fp) +** +** The generic SM_IO_WHAT_VECTORS is auto supplied for all file types. +** If the request is to set info other than SM_IO_WHAT_VECTORS then +** the request is passed on to the file type's specific setinfo vector. +** WARNING: this is working on an active/open file type. +** +** Parameters: +** fp -- file to make the setting on +** what -- type of information to set +** valp -- structure to obtain info from +** +** Returns: +** 0 on success +** -1 on error and sets errno: +** - when what != SM_IO_WHAT_VECTORS and setinfo vector +** not set +** - when vectored setinfo returns -1 +*/ + +int +sm_io_setinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + SM_FILE_T *v = (SM_FILE_T *) valp; + + SM_REQUIRE_ISA(fp, SmFileMagic); + switch (what) + { + case SM_IO_WHAT_VECTORS: + + /* + ** This is the "generic" available for all. + ** This allows the function vectors to be replaced + ** while the file type is active. + */ + + fp->f_close = v->f_close; + fp->f_read = v->f_read; + fp->f_seek = v->f_seek; + fp->f_write = v->f_write; + fp->f_open = v->f_open; + fp->f_setinfo = v->f_setinfo; + fp->f_getinfo = v->f_getinfo; + sm_free(fp->f_type); + fp->f_type = sm_strdup_x(v->f_type); + return 0; + case SM_IO_WHAT_TIMEOUT: + fp->f_timeout = *((int *)valp); + return 0; + } + + /* Otherwise the vector will check it out */ + if (fp->f_setinfo == NULL) + { + errno = EINVAL; + return -1; + } + else + return (*fp->f_setinfo)(fp, what, valp); +} + +/* +** SM_IO_GETINFO -- get information for an active file type (fp) +** +** This function supplies for all file types the answers for the +** three requests SM_IO_WHAT_VECTORS, SM_IO_WHAT_TYPE and +** SM_IO_WHAT_ISTYPE. Other requests are handled by the getinfo +** vector if available for the open file type. +** SM_IO_WHAT_VECTORS returns information for the file pointer vectors. +** SM_IO_WHAT_TYPE returns the type identifier for the file pointer +** SM_IO_WHAT_ISTYPE returns >0 if the passed in type matches the +** file pointer's type. +** SM_IO_IS_READABLE returns 1 if there is data available for reading, +** 0 otherwise. +** +** Parameters: +** fp -- file pointer for active file type +** what -- type of information request +** valp -- structure to place obtained info into +** +** Returns: +** -1 on error and sets errno: +** - when valp==NULL and request expects otherwise +** - when request is not SM_IO_WHAT_VECTORS and not +** SM_IO_WHAT_TYPE and not SM_IO_WHAT_ISTYPE +** and getinfo vector is NULL +** - when getinfo type vector returns -1 +** >=0 on success +*/ + +int +sm_io_getinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + SM_FILE_T *v = (SM_FILE_T *) valp; + + SM_REQUIRE_ISA(fp, SmFileMagic); + + switch (what) + { + case SM_IO_WHAT_VECTORS: + + /* This is the "generic" available for all */ + v->f_close = fp->f_close; + v->f_read = fp->f_read; + v->f_seek = fp->f_seek; + v->f_write = fp->f_write; + v->f_open = fp->f_open; + v->f_setinfo = fp->f_setinfo; + v->f_getinfo = fp->f_getinfo; + v->f_type = fp->f_type; + return 0; + + case SM_IO_WHAT_TYPE: + if (valp == NULL) + { + errno = EINVAL; + return -1; + } + valp = sm_strdup_x(fp->f_type); + return 0; + + case SM_IO_WHAT_ISTYPE: + if (valp == NULL) + { + errno = EINVAL; + return -1; + } + return strcmp(fp->f_type, valp) == 0; + + case SM_IO_IS_READABLE: + + /* if there is data in the buffer, it must be readable */ + if (fp->f_r > 0) + return 1; + + /* otherwise query the underlying file */ + break; + + case SM_IO_WHAT_TIMEOUT: + *((int *) valp) = fp->f_timeout; + return 0; + + case SM_IO_WHAT_FD: + if (fp->f_file > -1) + return fp->f_file; + + /* try the file type specific getinfo to see if it knows */ + break; + } + + /* Otherwise the vector will check it out */ + if (fp->f_getinfo == NULL) + { + errno = EINVAL; + return -1; + } + return (*fp->f_getinfo)(fp, what, valp); +} diff --git a/contrib/sendmail-8.13.4/libsm/flags.c b/contrib/sendmail-8.13.4/libsm/flags.c new file mode 100644 index 0000000000..94ecd5cbe9 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/flags.c @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: flags.c,v 1.22 2004/03/03 19:20:29 ca Exp $") +#include +#include +#include +#include + +/* +** SM_FLAGS -- translate external (user) flags into internal flags +** +** Paramters: +** flags -- user select flags +** +** Returns: +** Internal flag value matching user selected flags +*/ + +int +sm_flags(flags) + register int flags; +{ + register int ret; + + switch(SM_IO_MODE(flags)) + { + case SM_IO_RDONLY: /* open for reading */ + ret = SMRD; + break; + + case SM_IO_WRONLY: /* open for writing */ + ret = SMWR; + break; + + case SM_IO_APPEND: /* open for appending */ + ret = SMWR; + break; + + case SM_IO_RDWR: /* open for read and write */ + ret = SMRW; + break; + + default: + ret = 0; + break; + } + if (SM_IS_BINARY(flags)) + ret |= SM_IO_BINARY; + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/fopen.c b/contrib/sendmail-8.13.4/libsm/fopen.c new file mode 100644 index 0000000000..1737998a6c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fopen.c @@ -0,0 +1,374 @@ +/* + * Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fopen.c,v 1.61 2004/08/03 20:17:38 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static void openalrm __P((int)); +static void reopenalrm __P((int)); +extern int sm_io_fclose __P((SM_FILE_T *)); + +static jmp_buf OpenTimeOut, ReopenTimeOut; + +/* +** OPENALRM -- handler when timeout activated for sm_io_open() +** +** Returns flow of control to where setjmp(OpenTimeOut) was set. +** +** Parameters: +** sig -- unused +** +** Returns: +** does not return +** +** Side Effects: +** returns flow of control to setjmp(OpenTimeOut). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +static void +openalrm(sig) + int sig; +{ + longjmp(OpenTimeOut, 1); +} +/* +** REOPENALRM -- handler when timeout activated for sm_io_reopen() +** +** Returns flow of control to where setjmp(ReopenTimeOut) was set. +** +** Parameters: +** sig -- unused +** +** Returns: +** does not return +** +** Side Effects: +** returns flow of control to setjmp(ReopenTimeOut). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +static void +reopenalrm(sig) + int sig; +{ + longjmp(ReopenTimeOut, 1); +} + +/* +** SM_IO_OPEN -- open a file of a specific type +** +** Parameters: +** type -- type of file to open +** timeout -- time to complete the open +** info -- info describing what is to be opened (type dependant) +** flags -- user selected flags +** rpool -- pointer to rpool to be used for this open +** +** Returns: +** Raises exception on heap exhaustion. +** Aborts if type is invalid. +** Returns NULL and sets errno +** - when the type specific open fails +** - when open vector errors +** - when flags not set or invalid +** Success returns a file pointer to the opened file type. +*/ + +SM_FILE_T * +sm_io_open(type, timeout, info, flags, rpool) + const SM_FILE_T *type; + int SM_NONVOLATILE timeout; /* this is not the file type timeout */ + const void *info; + int flags; + const void *rpool; +{ + register SM_FILE_T *fp; + int ioflags; + SM_EVENT *evt = NULL; + + ioflags = sm_flags(flags); + + if (ioflags == 0) + { + /* must give some indication/intent */ + errno = EINVAL; + return NULL; + } + + if (timeout == SM_TIME_DEFAULT) + timeout = SM_TIME_FOREVER; + if (timeout == SM_TIME_IMMEDIATE) + { + errno = EAGAIN; + return NULL; + } + + fp = sm_fp(type, ioflags, NULL); + + /* Okay, this is where we set the timeout. */ + if (timeout != SM_TIME_FOREVER) + { + if (setjmp(OpenTimeOut) != 0) + { + errno = EAGAIN; + return NULL; + } + evt = sm_seteventm(timeout, openalrm, 0); + } + + if ((*fp->f_open)(fp, info, flags, rpool) < 0) + { + fp->f_flags = 0; /* release */ + fp->sm_magic = NULL; /* release */ + return NULL; + } + + /* We're back. So undo our timeout and handler */ + if (evt != NULL) + sm_clrevent(evt); + +#if SM_RPOOL + if (rpool != NULL) + sm_rpool_attach_x(rpool, sm_io_fclose, fp); +#endif /* SM_RPOOL */ + + return fp; +} +/* +** SM_IO_DUP -- duplicate a file pointer +** +** Parameters: +** fp -- file pointer to duplicate +** +** Returns: +** Success - the duplicated file pointer +** Failure - NULL (was an invalid file pointer or too many open) +** +** Increments the duplicate counter (dup_cnt) for the open file pointer. +** The counter counts the number of duplicates. When the duplicate +** counter is 0 (zero) then the file pointer is the only one left +** (no duplicates, it is the only one). +*/ + +SM_FILE_T * +sm_io_dup(fp) + SM_FILE_T *fp; +{ + + SM_REQUIRE_ISA(fp, SmFileMagic); + if (fp->sm_magic != SmFileMagic) + { + errno = EBADF; + return NULL; + } + if (fp->f_dup_cnt >= INT_MAX - 1) + { + /* Can't let f_dup_cnt wrap! */ + errno = EMFILE; + return NULL; + } + fp->f_dup_cnt++; + return fp; +} +/* +** SM_IO_REOPEN -- open a new file using the old file pointer +** +** Parameters: +** type -- file type to be opened +** timeout -- time to complete the reopen +** info -- infomation about what is to be "re-opened" (type dep.) +** flags -- user flags to map to internal flags +** rpool -- rpool file to be associated with +** fp -- the file pointer to reuse +** +** Returns: +** Raises an exception on heap exhaustion. +** Aborts if type is invalid. +** Failure: returns NULL +** Success: returns "reopened" file pointer +*/ + +SM_FILE_T * +sm_io_reopen(type, timeout, info, flags, rpool, fp) + const SM_FILE_T *type; + int SM_NONVOLATILE timeout; + const void *info; + int flags; + const void *rpool; + SM_FILE_T *fp; +{ + int ioflags, ret; + SM_FILE_T *fp2; + SM_EVENT *evt = NULL; + + if ((ioflags = sm_flags(flags)) == 0) + { + (void) sm_io_close(fp, timeout); + return NULL; + } + + if (!Sm_IO_DidInit) + sm_init(); + + if (timeout == SM_TIME_DEFAULT) + timeout = SM_TIME_FOREVER; + if (timeout == SM_TIME_IMMEDIATE) + { + /* + ** Filling the buffer will take time and we are wanted to + ** return immediately. So... + */ + + errno = EAGAIN; + return NULL; + } + /* Okay, this is where we set the timeout. */ + if (timeout != SM_TIME_FOREVER) + { + if (setjmp(ReopenTimeOut) != 0) + { + errno = EAGAIN; + return NULL; + } + + evt = sm_seteventm(timeout, reopenalrm, 0); + } + + /* + ** There are actually programs that depend on being able to "reopen" + ** descriptors that weren't originally open. Keep this from breaking. + ** Remember whether the stream was open to begin with, and which file + ** descriptor (if any) was associated with it. If it was attached to + ** a descriptor, defer closing it; reopen("/dev/stdin", "r", stdin) + ** should work. This is unnecessary if it was not a Unix file. + */ + + if (fp != NULL) + { + if (fp->sm_magic != SmFileMagic) + fp->f_flags = SMFEOF; /* hold on to it */ + else + { + /* flush the stream; ANSI doesn't require this. */ + (void) sm_io_flush(fp, SM_TIME_FOREVER); + (void) sm_io_close(fp, SM_TIME_FOREVER); + } + } + + fp2 = sm_fp(type, ioflags, fp); + ret = (*fp2->f_open)(fp2, info, flags, rpool); + + /* We're back. So undo our timeout and handler */ + if (evt != NULL) + sm_clrevent(evt); + + if (ret < 0) + { + fp2->f_flags = 0; /* release */ + fp2->sm_magic = NULL; /* release */ + return NULL; + } + + /* + ** We're not preserving this logic (below) for sm_io because it is now + ** abstracted at least one "layer" away. By closing and reopening + ** the 1st fd used should be the just released one (when Unix + ** behavior followed). Old comment:: + ** If reopening something that was open before on a real file, try + ** to maintain the descriptor. Various C library routines (perror) + ** assume stderr is always fd STDERR_FILENO, even if being reopen'd. + */ + +#if SM_RPOOL + if (rpool != NULL) + sm_rpool_attach_x(rpool, sm_io_close, fp2); +#endif /* SM_RPOOL */ + + return fp2; +} +/* +** SM_IO_AUTOFLUSH -- link another file to this for auto-flushing +** +** When a read occurs on fp, fp2 will be flushed iff there is no +** data waiting on fp. +** +** Parameters: +** fp -- the file opened for reading. +** fp2 -- the file opened for writing. +** +** Returns: +** The old flush file pointer. +*/ + +SM_FILE_T * +sm_io_autoflush(fp, fp2) + SM_FILE_T *fp; + SM_FILE_T *fp2; +{ + SM_FILE_T *savefp; + + SM_REQUIRE_ISA(fp, SmFileMagic); + if (fp2 != NULL) + SM_REQUIRE_ISA(fp2, SmFileMagic); + + savefp = fp->f_flushfp; + fp->f_flushfp = fp2; + return savefp; +} +/* +** SM_IO_AUTOMODE -- link another file to this for auto-moding +** +** When the mode (blocking or non-blocking) changes for fp1 then +** update fp2's mode at the same time. This is to be used when +** a system dup() has generated a second file descriptor for +** another sm_io_open() by file descriptor. The modes have been +** linked in the system and this formalizes it for sm_io internally. +** +** Parameters: +** fp1 -- the first file +** fp2 -- the second file +** +** Returns: +** nothing +*/ + +void +sm_io_automode(fp1, fp2) + SM_FILE_T *fp1; + SM_FILE_T *fp2; +{ + SM_REQUIRE_ISA(fp1, SmFileMagic); + SM_REQUIRE_ISA(fp2, SmFileMagic); + + fp1->f_modefp = fp2; + fp2->f_modefp = fp1; +} diff --git a/contrib/sendmail-8.13.4/libsm/fpos.c b/contrib/sendmail-8.13.4/libsm/fpos.c new file mode 100644 index 0000000000..f75496ae5c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fpos.c @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fpos.c,v 1.38 2004/08/03 20:17:38 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static void tellalrm __P((int)); +static jmp_buf TellTimeOut; + +/* +** TELLALRM -- handler when timeout activated for sm_io_tell() +** +** Returns flow of control to where setjmp(TellTimeOut) was set. +** +** Parameters: +** sig -- unused +** +** Returns: +** does not return +** +** Side Effects: +** returns flow of control to setjmp(TellTimeOut). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +static void +tellalrm(sig) + int sig; +{ + longjmp(TellTimeOut, 1); +} + +/* +** SM_IO_TELL -- position the file pointer +** +** Paramters: +** fp -- the file pointer to get repositioned +** timeout -- time to complete the tell (milliseconds) +** +** Returns: +** Success -- the repositioned location. +** Failure -- -1 (minus 1) and sets errno +*/ + +long +sm_io_tell(fp, timeout) + register SM_FILE_T *fp; + int SM_NONVOLATILE timeout; +{ + register off_t pos; + SM_EVENT *evt = NULL; + + SM_REQUIRE_ISA(fp, SmFileMagic); + if (fp->f_seek == NULL) + { + errno = ESPIPE; /* historic practice */ + return -1L; + } + + if (timeout == SM_TIME_DEFAULT) + timeout = fp->f_timeout; + if (timeout == SM_TIME_IMMEDIATE) + { + /* + ** Filling the buffer will take time and we are wanted to + ** return immediately. So... + */ + + errno = EAGAIN; + return -1L; + } + + /* + ** Find offset of underlying I/O object, then adjust byte position + ** may adjust seek offset on append stream + */ + + (void) sm_flush(fp, (int *) &timeout); + + /* This is where we start the timeout */ + if (timeout != SM_TIME_FOREVER) + { + if (setjmp(TellTimeOut) != 0) + { + errno = EAGAIN; + return -1L; + } + + evt = sm_seteventm(timeout, tellalrm, 0); + } + + if (fp->f_flags & SMOFF) + pos = fp->f_lseekoff; + else + { + /* XXX only set the timeout here? */ + pos = (*fp->f_seek)(fp, (off_t) 0, SM_IO_SEEK_CUR); + if (pos == -1L) + goto clean; + } + if (fp->f_flags & SMRD) + { + /* + ** Reading. Any unread characters (including + ** those from ungetc) cause the position to be + ** smaller than that in the underlying object. + */ + + pos -= fp->f_r; + if (HASUB(fp)) + pos -= fp->f_ur; + } + else if (fp->f_flags & SMWR && fp->f_p != NULL) + { + /* + ** Writing. Any buffered characters cause the + ** position to be greater than that in the + ** underlying object. + */ + + pos += fp->f_p - fp->f_bf.smb_base; + } + +clean: + /* We're back. So undo our timeout and handler */ + if (evt != NULL) + sm_clrevent(evt); + return pos; +} diff --git a/contrib/sendmail-8.13.4/libsm/fprintf.c b/contrib/sendmail-8.13.4/libsm/fprintf.c new file mode 100644 index 0000000000..71938729c6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fprintf.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fprintf.c,v 1.17 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include "local.h" + +/* +** SM_IO_FPRINTF -- format and print a string to a file pointer +** +** Parameters: +** fp -- file pointer to be printed to +** timeout -- time to complete print +** fmt -- markup format for the string to be printed +** ... -- additional information for 'fmt' +** +** Returns: +** Failure: returns SM_IO_EOF and sets errno +** Success: returns the number of characters o/p +*/ + +int +#if SM_VA_STD +sm_io_fprintf(SM_FILE_T *fp, int timeout, const char *fmt, ...) +#else /* SM_VA_STD */ +sm_io_fprintf(fp, timeout, fmt, va_alist) + SM_FILE_T *fp; + int timeout; + char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + int ret; + SM_VA_LOCAL_DECL + + SM_REQUIRE_ISA(fp, SmFileMagic); + SM_VA_START(ap, fmt); + ret = sm_io_vfprintf(fp, timeout, fmt, ap); + SM_VA_END(ap); + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/fpurge.c b/contrib/sendmail-8.13.4/libsm/fpurge.c new file mode 100644 index 0000000000..4e6fd5a106 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fpurge.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fpurge.c,v 1.20 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include +#include "local.h" + +/* +** SM_IO_PURGE -- purge/empty the buffer without committing buffer content +** +** Parameters: +** fp -- file pointer to purge +** +** Returns: +** Failure: returns SM_IO_EOF and sets errno +** Success: returns 0 (zero) +*/ + +int +sm_io_purge(fp) + register SM_FILE_T *fp; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + if (!fp->f_flags) + { + errno = EBADF; + return SM_IO_EOF; + } + + if (HASUB(fp)) + FREEUB(fp); + fp->f_p = fp->f_bf.smb_base; + fp->f_r = 0; + + /* implies SMFBF */ + fp->f_w = fp->f_flags & (SMLBF|SMNBF) ? 0 : fp->f_bf.smb_size; + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/fput.c b/contrib/sendmail-8.13.4/libsm/fput.c new file mode 100644 index 0000000000..3c5e11c7ee --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fput.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fput.c,v 1.20 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include +#include "local.h" +#include "fvwrite.h" + +/* +** SM_IO_FPUTS -- add a string to the buffer for the file pointer +** +** Parameters: +** fp -- the file pointer for the buffer to be written to +** timeout -- time to complete the put-string +** s -- string to be placed in the buffer +** +** Returns: +** Failure: returns SM_IO_EOF +** Success: returns 0 (zero) +*/ + +int +sm_io_fputs(fp, timeout, s) + SM_FILE_T *fp; + int timeout; + const char *s; +{ + struct sm_uio uio; + struct sm_iov iov; + + SM_REQUIRE_ISA(fp, SmFileMagic); + iov.iov_base = (void *) s; + iov.iov_len = uio.uio_resid = strlen(s); + uio.uio_iov = &iov; + uio.uio_iovcnt = 1; + return sm_fvwrite(fp, timeout, &uio); +} diff --git a/contrib/sendmail-8.13.4/libsm/fread.c b/contrib/sendmail-8.13.4/libsm/fread.c new file mode 100644 index 0000000000..1e651fdc49 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fread.c @@ -0,0 +1,100 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fread.c,v 1.28 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include +#include "local.h" + +/* +** SM_IO_READ -- read data from the file pointer +** +** Parameters: +** fp -- file pointer to read from +** timeout -- time to complete the read +** buf -- location to place read data +** size -- size of each chunk of data +** +** Returns: +** Failure: returns 0 (zero) _and_ sets errno +** Success: returns the number of whole chunks read. +** +** A read returning 0 (zero) is only an indication of error when errno +** has been set. +*/ + +size_t +sm_io_read(fp, timeout, buf, size) + SM_FILE_T *fp; + int timeout; + void *buf; + size_t size; +{ + register size_t resid = size; + register char *p; + register int r; + + SM_REQUIRE_ISA(fp, SmFileMagic); + + if (fp->f_read == NULL) + { + errno = ENODEV; + return 0; + } + + /* + ** The ANSI standard requires a return value of 0 for a count + ** or a size of 0. Peculiarily, it imposes no such requirements + ** on fwrite; it only requires read to be broken. + */ + + if (resid == 0) + return 0; + if (fp->f_r < 0) + fp->f_r = 0; + p = buf; + while ((int) resid > (r = fp->f_r)) + { + (void) memcpy((void *) p, (void *) fp->f_p, (size_t) r); + fp->f_p += r; + /* fp->f_r = 0 ... done in sm_refill */ + p += r; + resid -= r; + if ((fp->f_flags & SMNOW) != 0 && r > 0) + { + /* + ** Take whatever we have available. Spend no more time + ** trying to get all that has been requested. + ** This is needed on some file types (such as + ** SASL) that would jam when given extra, untimely + ** reads. + */ + + fp->f_r -= r; + return size - resid; + } + if (sm_refill(fp, timeout) != 0) + { + /* no more input: return partial result */ + return size - resid; + } + } + (void) memcpy((void *) p, (void *) fp->f_p, resid); + fp->f_r -= resid; + fp->f_p += resid; + return size; +} diff --git a/contrib/sendmail-8.13.4/libsm/fscanf.c b/contrib/sendmail-8.13.4/libsm/fscanf.c new file mode 100644 index 0000000000..5e1fcfde79 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fscanf.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fscanf.c,v 1.17 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include "local.h" + +/* +** SM_IO_FSCANF -- convert input data to translated format +** +** Parameters: +** fp -- the file pointer to obtain the data from +** timeout -- time to complete scan +** fmt -- the format to translate the data to +** ... -- memory locations to place the formated data +** +** Returns: +** Failure: returns SM_IO_EOF +** Success: returns the number of data units translated +*/ + +int +#if SM_VA_STD +sm_io_fscanf(SM_FILE_T *fp, int timeout, char const *fmt, ...) +#else /* SM_VA_STD */ +sm_io_fscanf(fp, timeout, fmt, va_alist) + SM_FILE_T *fp; + int timeout; + char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + int ret; + SM_VA_LOCAL_DECL + + SM_REQUIRE_ISA(fp, SmFileMagic); + SM_VA_START(ap, fmt); + ret = sm_vfscanf(fp, timeout, fmt, ap); + SM_VA_END(ap); + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/fseek.c b/contrib/sendmail-8.13.4/libsm/fseek.c new file mode 100644 index 0000000000..e85d41ae92 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fseek.c @@ -0,0 +1,336 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fseek.c,v 1.46 2004/08/03 20:17:38 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +#define POS_ERR (-(off_t)1) + +static void seekalrm __P((int)); +static jmp_buf SeekTimeOut; + +/* +** SEEKALRM -- handler when timeout activated for sm_io_seek() +** +** Returns flow of control to where setjmp(SeekTimeOut) was set. +** +** Parameters: +** sig -- unused +** +** Returns: +** does not return +** +** Side Effects: +** returns flow of control to setjmp(SeekTimeOut). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +static void +seekalrm(sig) + int sig; +{ + longjmp(SeekTimeOut, 1); +} + +/* +** SM_IO_SEEK -- position the file pointer +** +** Parameters: +** fp -- the file pointer to be seek'd +** timeout -- time to complete seek (milliseconds) +** offset -- seek offset based on 'whence' +** whence -- indicates where seek is relative from. +** One of SM_IO_SEEK_{CUR,SET,END}. +** Returns: +** Failure: returns -1 (minus 1) and sets errno +** Success: returns 0 (zero) +*/ + +int +sm_io_seek(fp, timeout, offset, whence) + register SM_FILE_T *fp; + int SM_NONVOLATILE timeout; + long SM_NONVOLATILE offset; + int SM_NONVOLATILE whence; +{ + bool havepos; + off_t target, curoff; + size_t n; + struct stat st; + int ret; + SM_EVENT *evt = NULL; + register off_t (*seekfn) __P((SM_FILE_T *, off_t, int)); + + SM_REQUIRE_ISA(fp, SmFileMagic); + + /* make sure stdio is set up */ + if (!Sm_IO_DidInit) + sm_init(); + + /* Have to be able to seek. */ + if ((seekfn = fp->f_seek) == NULL) + { + errno = ESPIPE; /* historic practice */ + return -1; + } + + if (timeout == SM_TIME_DEFAULT) + timeout = fp->f_timeout; + if (timeout == SM_TIME_IMMEDIATE) + { + /* + ** Filling the buffer will take time and we are wanted to + ** return immediately. So... + */ + + errno = EAGAIN; + return -1; + } + +#define SM_SET_ALARM() \ + if (timeout != SM_TIME_FOREVER) \ + { \ + if (setjmp(SeekTimeOut) != 0) \ + { \ + errno = EAGAIN; \ + return -1; \ + } \ + evt = sm_seteventm(timeout, seekalrm, 0); \ + } + + /* + ** Change any SM_IO_SEEK_CUR to SM_IO_SEEK_SET, and check `whence' + ** argument. After this, whence is either SM_IO_SEEK_SET or + ** SM_IO_SEEK_END. + */ + + switch (whence) + { + case SM_IO_SEEK_CUR: + + /* + ** In order to seek relative to the current stream offset, + ** we have to first find the current stream offset a la + ** ftell (see ftell for details). + */ + + /* may adjust seek offset on append stream */ + sm_flush(fp, (int *) &timeout); + SM_SET_ALARM(); + if (fp->f_flags & SMOFF) + curoff = fp->f_lseekoff; + else + { + curoff = (*seekfn)(fp, (off_t) 0, SM_IO_SEEK_CUR); + if (curoff == -1L) + { + ret = -1; + goto clean; + } + } + if (fp->f_flags & SMRD) + { + curoff -= fp->f_r; + if (HASUB(fp)) + curoff -= fp->f_ur; + } + else if (fp->f_flags & SMWR && fp->f_p != NULL) + curoff += fp->f_p - fp->f_bf.smb_base; + + offset += curoff; + whence = SM_IO_SEEK_SET; + havepos = true; + break; + + case SM_IO_SEEK_SET: + case SM_IO_SEEK_END: + SM_SET_ALARM(); + curoff = 0; /* XXX just to keep gcc quiet */ + havepos = false; + break; + + default: + errno = EINVAL; + return -1; + } + + /* + ** Can only optimise if: + ** reading (and not reading-and-writing); + ** not unbuffered; and + ** this is a `regular' Unix file (and hence seekfn==sm_stdseek). + ** We must check SMNBF first, because it is possible to have SMNBF + ** and SMSOPT both set. + */ + + if (fp->f_bf.smb_base == NULL) + sm_makebuf(fp); + if (fp->f_flags & (SMWR | SMRW | SMNBF | SMNPT)) + goto dumb; + if ((fp->f_flags & SMOPT) == 0) + { + if (seekfn != sm_stdseek || + fp->f_file < 0 || fstat(fp->f_file, &st) || + (st.st_mode & S_IFMT) != S_IFREG) + { + fp->f_flags |= SMNPT; + goto dumb; + } + fp->f_blksize = st.st_blksize; + fp->f_flags |= SMOPT; + } + + /* + ** We are reading; we can try to optimise. + ** Figure out where we are going and where we are now. + */ + + if (whence == SM_IO_SEEK_SET) + target = offset; + else + { + if (fstat(fp->f_file, &st)) + goto dumb; + target = st.st_size + offset; + } + + if (!havepos) + { + if (fp->f_flags & SMOFF) + curoff = fp->f_lseekoff; + else + { + curoff = (*seekfn)(fp, (off_t) 0, SM_IO_SEEK_CUR); + if (curoff == POS_ERR) + goto dumb; + } + curoff -= fp->f_r; + if (HASUB(fp)) + curoff -= fp->f_ur; + } + + /* + ** Compute the number of bytes in the input buffer (pretending + ** that any ungetc() input has been discarded). Adjust current + ** offset backwards by this count so that it represents the + ** file offset for the first byte in the current input buffer. + */ + + if (HASUB(fp)) + { + curoff += fp->f_r; /* kill off ungetc */ + n = fp->f_up - fp->f_bf.smb_base; + curoff -= n; + n += fp->f_ur; + } + else + { + n = fp->f_p - fp->f_bf.smb_base; + curoff -= n; + n += fp->f_r; + } + + /* + ** If the target offset is within the current buffer, + ** simply adjust the pointers, clear SMFEOF, undo ungetc(), + ** and return. (If the buffer was modified, we have to + ** skip this; see getln in fget.c.) + */ + + if (target >= curoff && target < curoff + (off_t) n) + { + register int o = target - curoff; + + fp->f_p = fp->f_bf.smb_base + o; + fp->f_r = n - o; + if (HASUB(fp)) + FREEUB(fp); + fp->f_flags &= ~SMFEOF; + ret = 0; + goto clean; + } + + /* + ** The place we want to get to is not within the current buffer, + ** but we can still be kind to the kernel copyout mechanism. + ** By aligning the file offset to a block boundary, we can let + ** the kernel use the VM hardware to map pages instead of + ** copying bytes laboriously. Using a block boundary also + ** ensures that we only read one block, rather than two. + */ + + curoff = target & ~(fp->f_blksize - 1); + if ((*seekfn)(fp, curoff, SM_IO_SEEK_SET) == POS_ERR) + goto dumb; + fp->f_r = 0; + fp->f_p = fp->f_bf.smb_base; + if (HASUB(fp)) + FREEUB(fp); + fp->f_flags &= ~SMFEOF; + n = target - curoff; + if (n) + { + /* Note: SM_TIME_FOREVER since fn timeout already set */ + if (sm_refill(fp, SM_TIME_FOREVER) || fp->f_r < (int) n) + goto dumb; + fp->f_p += n; + fp->f_r -= n; + } + + ret = 0; +clean: + /* We're back. So undo our timeout and handler */ + if (evt != NULL) + sm_clrevent(evt); + return ret; +dumb: + /* + ** We get here if we cannot optimise the seek ... just + ** do it. Allow the seek function to change fp->f_bf.smb_base. + */ + + /* Note: SM_TIME_FOREVER since fn timeout already set */ + ret = SM_TIME_FOREVER; + if (sm_flush(fp, &ret) != 0 || + (*seekfn)(fp, (off_t) offset, whence) == POS_ERR) + { + ret = -1; + goto clean; + } + + /* success: clear SMFEOF indicator and discard ungetc() data */ + if (HASUB(fp)) + FREEUB(fp); + fp->f_p = fp->f_bf.smb_base; + fp->f_r = 0; + fp->f_flags &= ~SMFEOF; + ret = 0; + goto clean; +} diff --git a/contrib/sendmail-8.13.4/libsm/fvwrite.c b/contrib/sendmail-8.13.4/libsm/fvwrite.c new file mode 100644 index 0000000000..a692781bab --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fvwrite.c @@ -0,0 +1,279 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fvwrite.c,v 1.49 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" +#include "fvwrite.h" + +/* +** SM_FVWRITE -- write memory regions and buffer for file pointer +** +** Parameters: +** fp -- the file pointer to write to +** timeout -- time length for function to return by +** uio -- the memory regions to write +** +** Returns: +** Failure: returns SM_IO_EOF and sets errno +** Success: returns 0 (zero) +** +** This routine is large and unsightly, but most of the ugliness due +** to the different kinds of output buffering handled here. +*/ + +#define COPY(n) (void)memcpy((void *)fp->f_p, (void *)p, (size_t)(n)) +#define GETIOV(extra_work) \ + while (len == 0) \ + { \ + extra_work; \ + p = iov->iov_base; \ + len = iov->iov_len; \ + iov++; \ + } + +int +sm_fvwrite(fp, timeout, uio) + register SM_FILE_T *fp; + int timeout; + register struct sm_uio *uio; +{ + register size_t len; + register char *p; + register struct sm_iov *iov; + register int w, s; + char *nl; + int nlknown, nldist; + int fd; + struct timeval to; + + if (uio->uio_resid == 0) + return 0; + + /* make sure we can write */ + if (cantwrite(fp)) + { + errno = EBADF; + return SM_IO_EOF; + } + + SM_CONVERT_TIME(fp, fd, timeout, &to); + + iov = uio->uio_iov; + p = iov->iov_base; + len = iov->iov_len; + iov++; + if (fp->f_flags & SMNBF) + { + /* Unbuffered: write up to BUFSIZ bytes at a time. */ + do + { + GETIOV(;); + errno = 0; /* needed to ensure EOF correctly found */ + w = (*fp->f_write)(fp, p, SM_MIN(len, SM_IO_BUFSIZ)); + if (w <= 0) + { + if (w == 0 && errno == 0) + break; /* EOF found */ + if (IS_IO_ERROR(fd, w, timeout)) + goto err; /* errno set */ + + /* write would block */ + SM_IO_WR_TIMEOUT(fp, fd, timeout); + w = 0; + } + else + { + p += w; + len -= w; + } + } while ((uio->uio_resid -= w) != 0); + } + else if ((fp->f_flags & SMLBF) == 0) + { + /* + ** Not SMLBF (line-buffered). Either SMFBF or SMNOW + ** buffered: fill partially full buffer, if any, + ** and then flush. If there is no partial buffer, write + ** one bf._size byte chunk directly (without copying). + ** + ** String output is a special case: write as many bytes + ** as fit, but pretend we wrote everything. This makes + ** snprintf() return the number of bytes needed, rather + ** than the number used, and avoids its write function + ** (so that the write function can be invalid). + */ + + do + { + GETIOV(;); + if ((((fp->f_flags & (SMALC | SMSTR)) == (SMALC | SMSTR)) + || ((fp->f_flags & SMNOW) != 0)) + && (size_t) fp->f_w < len) + { + size_t blen = fp->f_p - fp->f_bf.smb_base; + unsigned char *tbase; + int tsize; + + /* Allocate space exponentially. */ + tsize = fp->f_bf.smb_size; + do + { + tsize = (tsize << 1) + 1; + } while ((size_t) tsize < blen + len); + tbase = (unsigned char *) sm_realloc(fp->f_bf.smb_base, + tsize + 1); + if (tbase == NULL) + { + errno = ENOMEM; + goto err; /* errno set */ + } + fp->f_w += tsize - fp->f_bf.smb_size; + fp->f_bf.smb_base = tbase; + fp->f_bf.smb_size = tsize; + fp->f_p = tbase + blen; + } + w = fp->f_w; + errno = 0; /* needed to ensure EOF correctly found */ + if (fp->f_flags & SMSTR) + { + if (len < (size_t) w) + w = len; + COPY(w); /* copy SM_MIN(fp->f_w,len), */ + fp->f_w -= w; + fp->f_p += w; + w = len; /* but pretend copied all */ + } + else if (fp->f_p > fp->f_bf.smb_base + && len > (size_t) w) + { + /* fill and flush */ + COPY(w); + fp->f_p += w; + if (sm_flush(fp, &timeout)) + goto err; /* errno set */ + } + else if (len >= (size_t) (w = fp->f_bf.smb_size)) + { + /* write directly */ + w = (*fp->f_write)(fp, p, w); + if (w <= 0) + { + if (w == 0 && errno == 0) + break; /* EOF found */ + if (IS_IO_ERROR(fd, w, timeout)) + goto err; /* errno set */ + + /* write would block */ + SM_IO_WR_TIMEOUT(fp, fd, timeout); + w = 0; + } + } + else + { + /* fill and done */ + w = len; + COPY(w); + fp->f_w -= w; + fp->f_p += w; + } + p += w; + len -= w; + } while ((uio->uio_resid -= w) != 0); + + if ((fp->f_flags & SMNOW) != 0 && sm_flush(fp, &timeout)) + goto err; /* errno set */ + } + else + { + /* + ** Line buffered: like fully buffered, but we + ** must check for newlines. Compute the distance + ** to the first newline (including the newline), + ** or `infinity' if there is none, then pretend + ** that the amount to write is SM_MIN(len,nldist). + */ + + nlknown = 0; + nldist = 0; /* XXX just to keep gcc happy */ + do + { + GETIOV(nlknown = 0); + if (!nlknown) + { + nl = memchr((void *)p, '\n', len); + nldist = nl != NULL ? nl + 1 - p : len + 1; + nlknown = 1; + } + s = SM_MIN(len, ((size_t) nldist)); + w = fp->f_w + fp->f_bf.smb_size; + errno = 0; /* needed to ensure EOF correctly found */ + if (fp->f_p > fp->f_bf.smb_base && s > w) + { + COPY(w); + /* fp->f_w -= w; */ + fp->f_p += w; + if (sm_flush(fp, &timeout)) + goto err; /* errno set */ + } + else if (s >= (w = fp->f_bf.smb_size)) + { + w = (*fp->f_write)(fp, p, w); + if (w <= 0) + { + if (w == 0 && errno == 0) + break; /* EOF found */ + if (IS_IO_ERROR(fd, w, timeout)) + goto err; /* errno set */ + + /* write would block */ + SM_IO_WR_TIMEOUT(fp, fd, timeout); + w = 0; + } + } + else + { + w = s; + COPY(w); + fp->f_w -= w; + fp->f_p += w; + } + if ((nldist -= w) == 0) + { + /* copied the newline: flush and forget */ + if (sm_flush(fp, &timeout)) + goto err; /* errno set */ + nlknown = 0; + } + p += w; + len -= w; + } while ((uio->uio_resid -= w) != 0); + } + + return 0; + +err: + /* errno set before goto places us here */ + fp->f_flags |= SMERR; + return SM_IO_EOF; +} diff --git a/contrib/sendmail-8.13.4/libsm/fvwrite.h b/contrib/sendmail-8.13.4/libsm/fvwrite.h new file mode 100644 index 0000000000..a1344c0bf4 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fvwrite.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: fvwrite.h,v 1.7 2001/03/02 00:18:19 ca Exp $ + */ + +/* I/O descriptors for sm_fvwrite() */ +struct sm_iov +{ + void *iov_base; + size_t iov_len; +}; +struct sm_uio +{ + struct sm_iov *uio_iov; + int uio_iovcnt; + int uio_resid; +}; + +extern int sm_fvwrite __P((SM_FILE_T *, int, struct sm_uio *)); diff --git a/contrib/sendmail-8.13.4/libsm/fwalk.c b/contrib/sendmail-8.13.4/libsm/fwalk.c new file mode 100644 index 0000000000..b878c1a933 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fwalk.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fwalk.c,v 1.21 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include "local.h" +#include "glue.h" + +/* +** SM_FWALK -- apply a function to all found-open file pointers +** +** Parameters: +** function -- a function vector to be applied +** timeout -- time to complete actions (milliseconds) +** +** Returns: +** The (binary) OR'd result of each function call +*/ + +int +sm_fwalk(function, timeout) + int (*function) __P((SM_FILE_T *, int *)); + int *timeout; +{ + register SM_FILE_T *fp; + register int n, ret; + register struct sm_glue *g; + int fptimeout; + + ret = 0; + for (g = &smglue; g != NULL; g = g->gl_next) + { + for (fp = g->gl_iobs, n = g->gl_niobs; --n >= 0; fp++) + { + if (fp->f_flags != 0) + { + if (*timeout == SM_TIME_DEFAULT) + fptimeout = fp->f_timeout; + else + fptimeout = *timeout; + if (fptimeout == SM_TIME_IMMEDIATE) + continue; /* skip it */ + ret |= (*function)(fp, &fptimeout); + } + } + } + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/fwrite.c b/contrib/sendmail-8.13.4/libsm/fwrite.c new file mode 100644 index 0000000000..372f75dfe9 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/fwrite.c @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: fwrite.c,v 1.24 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include +#include "local.h" +#include "fvwrite.h" + +/* +** SM_IO_WRITE -- write to a file pointer +** +** Parameters: +** fp -- file pointer writing to +** timeout -- time to complete the write +** buf -- location of data to be written +** size -- number of bytes to be written +** +** Result: +** Failure: returns 0 _and_ sets errno +** Success: returns >=0 with errno unchanged, where the +** number returned is the number of bytes written. +*/ + +size_t +sm_io_write(fp, timeout, buf, size) + SM_FILE_T *fp; + int timeout; + const void *buf; + size_t size; +{ + struct sm_uio uio; + struct sm_iov iov; + + SM_REQUIRE_ISA(fp, SmFileMagic); + + if (fp->f_write == NULL) + { + errno = ENODEV; + return 0; + } + + iov.iov_base = (void *) buf; + uio.uio_resid = iov.iov_len = size; + uio.uio_iov = &iov; + uio.uio_iovcnt = 1; + + /* The usual case is success (sm_fvwrite returns 0) */ + if (sm_fvwrite(fp, timeout, &uio) == 0) + return size; + + /* else return number of bytes actually written */ + return size - uio.uio_resid; +} diff --git a/contrib/sendmail-8.13.4/libsm/gen.html b/contrib/sendmail-8.13.4/libsm/gen.html new file mode 100644 index 0000000000..cf642ae88b --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/gen.html @@ -0,0 +1,43 @@ + + + libsm : General Definitions + + + +Back to libsm overview + +
+

libsm : General Definitions

+
$Id: gen.html,v 1.5 2000/12/08 21:41:42 ca Exp $ +
+ +

Introduction

+ +The header file <sm/gen.h> +contains general definitions that are used by every other +header file in libsm. + +

Synopsis

+ +
+#include <sm/gen.h>
+
+#define NULL		((void*)0)
+
+typedef int bool;
+#define false	0
+#define true	1
+
+#define SM_MAX(a, b)	((a) > (b) ? (a) : (b))
+#define SM_MIN(a, b)	((a) < (b) ? (a) : (b))
+
+/*
+**  The following types can be accessed and updated atomically.
+**  This is relevant in the context of signal handlers and threads.
+*/
+typedef some signed integral type SM_ATOMIC_INT_T;
+typedef some unsigned integral type SM_ATOMIC_UINT_T;
+
+ + + diff --git a/contrib/sendmail-8.13.4/libsm/get.c b/contrib/sendmail-8.13.4/libsm/get.c new file mode 100644 index 0000000000..74549fe472 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/get.c @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: get.c,v 1.18 2001/09/11 04:04:48 gshapiro Exp $") +#include +#include +#include "local.h" + +/* +** SM_IO_GETC -- get a character from a file +** +** Parameters: +** fp -- the file to get the character from +** timeout -- time to complete getc +** +** Returns: +** Success: the value of the character read. +** Failure: SM_IO_EOF +** +** This is a function version of the macro (in ). +** It is guarded with locks (which are currently not functional) +** for multi-threaded programs. +*/ + +#undef sm_io_getc + +int +sm_io_getc(fp, timeout) + register SM_FILE_T *fp; + int timeout; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + return sm_getc(fp, timeout); +} diff --git a/contrib/sendmail-8.13.4/libsm/glue.h b/contrib/sendmail-8.13.4/libsm/glue.h new file mode 100644 index 0000000000..db8c1018a5 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/glue.h @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: glue.h,v 1.6 2001/01/22 23:09:49 ca Exp $ + */ + +/* +** The first few FILEs are statically allocated; others are dynamically +** allocated and linked in via this glue structure. +*/ + +extern struct sm_glue +{ + struct sm_glue *gl_next; + int gl_niobs; + SM_FILE_T *gl_iobs; +} smglue; diff --git a/contrib/sendmail-8.13.4/libsm/heap.c b/contrib/sendmail-8.13.4/libsm/heap.c new file mode 100644 index 0000000000..8ee4396f9d --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/heap.c @@ -0,0 +1,820 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: heap.c,v 1.51 2004/08/03 20:32:00 ca Exp $") + +/* +** debugging memory allocation package +** See heap.html for documentation. +*/ + +#include + +#include +#include +#include +#include +#include +#include +#include + +/* undef all macro versions of the "functions" so they can be specified here */ +#undef sm_malloc +#undef sm_malloc_x +#undef sm_malloc_tagged +#undef sm_malloc_tagged_x +#undef sm_free +#undef sm_free_tagged +#undef sm_realloc +#if SM_HEAP_CHECK +# undef sm_heap_register +# undef sm_heap_checkptr +# undef sm_heap_report +#endif /* SM_HEAP_CHECK */ + +#if SM_HEAP_CHECK +SM_DEBUG_T SmHeapCheck = SM_DEBUG_INITIALIZER("sm_check_heap", + "@(#)$Debug: sm_check_heap - check sm_malloc, sm_realloc, sm_free calls $"); +# define HEAP_CHECK sm_debug_active(&SmHeapCheck, 1) +static int ptrhash __P((void *p)); +#endif /* SM_HEAP_CHECK */ + +const SM_EXC_TYPE_T SmHeapOutOfMemoryType = +{ + SmExcTypeMagic, + "F:sm.heap", + "", + sm_etype_printf, + "out of memory", +}; + +SM_EXC_T SmHeapOutOfMemory = SM_EXC_INITIALIZER(&SmHeapOutOfMemoryType, NULL); + + +/* +** The behaviour of malloc with size==0 is platform dependent (it +** says so in the C standard): it can return NULL or non-NULL. We +** don't want sm_malloc_x(0) to raise an exception on some platforms +** but not others, so this case requires special handling. We've got +** two choices: "size = 1" or "return NULL". We use the former in the +** following. +** If we had something like autoconf we could figure out the +** behaviour of the platform and either use this hack or just +** use size. +*/ + +#define MALLOC_SIZE(size) ((size) == 0 ? 1 : (size)) + +/* +** SM_MALLOC_X -- wrapper around malloc(), raises an exception on error. +** +** Parameters: +** size -- size of requested memory. +** +** Returns: +** Pointer to memory region. +** +** Note: +** sm_malloc_x only gets called from source files in which heap +** debugging is disabled at compile time. Otherwise, a call to +** sm_malloc_x is macro expanded to a call to sm_malloc_tagged_x. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +void * +sm_malloc_x(size) + size_t size; +{ + void *ptr; + + ENTER_CRITICAL(); + ptr = malloc(MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (ptr == NULL) + sm_exc_raise_x(&SmHeapOutOfMemory); + return ptr; +} + +#if !SM_HEAP_CHECK + +/* +** SM_MALLOC -- wrapper around malloc() +** +** Parameters: +** size -- size of requested memory. +** +** Returns: +** Pointer to memory region. +*/ + +void * +sm_malloc(size) + size_t size; +{ + void *ptr; + + ENTER_CRITICAL(); + ptr = malloc(MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + return ptr; +} + +/* +** SM_REALLOC -- wrapper for realloc() +** +** Parameters: +** ptr -- pointer to old memory area. +** size -- size of requested memory. +** +** Returns: +** Pointer to new memory area, NULL on failure. +*/ + +void * +sm_realloc(ptr, size) + void *ptr; + size_t size; +{ + void *newptr; + + ENTER_CRITICAL(); + newptr = realloc(ptr, MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + return newptr; +} + +/* +** SM_REALLOC_X -- wrapper for realloc() +** +** Parameters: +** ptr -- pointer to old memory area. +** size -- size of requested memory. +** +** Returns: +** Pointer to new memory area. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +void * +sm_realloc_x(ptr, size) + void *ptr; + size_t size; +{ + void *newptr; + + ENTER_CRITICAL(); + newptr = realloc(ptr, MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (newptr == NULL) + sm_exc_raise_x(&SmHeapOutOfMemory); + return newptr; +} +/* +** SM_FREE -- wrapper around free() +** +** Parameters: +** ptr -- pointer to memory region. +** +** Returns: +** none. +*/ + +void +sm_free(ptr) + void *ptr; +{ + if (ptr == NULL) + return; + ENTER_CRITICAL(); + free(ptr); + LEAVE_CRITICAL(); + return; +} + +#else /* !SM_HEAP_CHECK */ + +/* +** Each allocated block is assigned a "group number". +** By default, all blocks are assigned to group #1. +** By convention, group #0 is for memory that is never freed. +** You can use group numbers any way you want, in order to help make +** sense of sm_heap_report output. +*/ + +int SmHeapGroup = 1; +int SmHeapMaxGroup = 1; + +/* +** Total number of bytes allocated. +** This is only maintained if the sm_check_heap debug category is active. +*/ + +size_t SmHeapTotal = 0; + +/* +** High water mark: the most that SmHeapTotal has ever been. +*/ + +size_t SmHeapMaxTotal = 0; + +/* +** Maximum number of bytes that may be allocated at any one time. +** 0 means no limit. +** This is only honoured if sm_check_heap is active. +*/ + +SM_DEBUG_T SmHeapLimit = SM_DEBUG_INITIALIZER("sm_heap_limit", + "@(#)$Debug: sm_heap_limit - max # of bytes permitted in heap $"); + +/* +** This is the data structure that keeps track of all currently +** allocated blocks of memory known to the heap package. +*/ + +typedef struct sm_heap_item SM_HEAP_ITEM_T; +struct sm_heap_item +{ + void *hi_ptr; + size_t hi_size; + char *hi_tag; + int hi_num; + int hi_group; + SM_HEAP_ITEM_T *hi_next; +}; + +#define SM_HEAP_TABLE_SIZE 256 +static SM_HEAP_ITEM_T *SmHeapTable[SM_HEAP_TABLE_SIZE]; + +/* +** This is a randomly generated table +** which contains exactly one occurrence +** of each of the numbers between 0 and 255. +** It is used by ptrhash. +*/ + +static unsigned char hashtab[SM_HEAP_TABLE_SIZE] = +{ + 161, 71, 77,187, 15,229, 9,176,221,119,239, 21, 85,138,203, 86, + 102, 65, 80,199,235, 32,140, 96,224, 78,126,127,144, 0, 11,179, + 64, 30,120, 23,225,226, 33, 50,205,167,130,240,174, 99,206, 73, + 231,210,189,162, 48, 93,246, 54,213,141,135, 39, 41,192,236,193, + 157, 88, 95,104,188, 63,133,177,234,110,158,214,238,131,233, 91, + 125, 82, 94, 79, 66, 92,151, 45,252, 98, 26,183, 7,191,171,106, + 145,154,251,100,113, 5, 74, 62, 76,124, 14,217,200, 75,115,190, + 103, 28,198,196,169,219, 37,118,150, 18,152,175, 49,136, 6,142, + 89, 19,243,254, 47,137, 24,166,180, 10, 40,186,202, 46,184, 67, + 148,108,181, 81, 25,241, 13,139, 58, 38, 84,253,201, 12,116, 17, + 195, 22,112, 69,255, 43,147,222,111, 56,194,216,149,244, 42,173, + 232,220,249,105,207, 51,197,242, 72,211,208, 59,122,230,237,170, + 165, 44, 68,123,129,245,143,101, 8,209,215,247,185, 57,218, 53, + 114,121, 3,128, 4,204,212,146, 2,155, 83,250, 87, 29, 31,159, + 60, 27,107,156,227,182, 1, 61, 36,160,109, 97, 90, 20,168,132, + 223,248, 70,164, 55,172, 34, 52,163,117, 35,153,134, 16,178,228 +}; + +/* +** PTRHASH -- hash a pointer value +** +** Parameters: +** p -- pointer. +** +** Returns: +** hash value. +** +** ptrhash hashes a pointer value to a uniformly distributed random +** number between 0 and 255. +** +** This hash algorithm is based on Peter K. Pearson, +** "Fast Hashing of Variable-Length Text Strings", +** in Communications of the ACM, June 1990, vol 33 no 6. +*/ + +static int +ptrhash(p) + void *p; +{ + int h; + + if (sizeof(void*) == 4 && sizeof(unsigned long) == 4) + { + unsigned long n = (unsigned long)p; + + h = hashtab[n & 0xFF]; + h = hashtab[h ^ ((n >> 8) & 0xFF)]; + h = hashtab[h ^ ((n >> 16) & 0xFF)]; + h = hashtab[h ^ ((n >> 24) & 0xFF)]; + } +# if 0 + else if (sizeof(void*) == 8 && sizeof(unsigned long) == 8) + { + unsigned long n = (unsigned long)p; + + h = hashtab[n & 0xFF]; + h = hashtab[h ^ ((n >> 8) & 0xFF)]; + h = hashtab[h ^ ((n >> 16) & 0xFF)]; + h = hashtab[h ^ ((n >> 24) & 0xFF)]; + h = hashtab[h ^ ((n >> 32) & 0xFF)]; + h = hashtab[h ^ ((n >> 40) & 0xFF)]; + h = hashtab[h ^ ((n >> 48) & 0xFF)]; + h = hashtab[h ^ ((n >> 56) & 0xFF)]; + } +# endif /* 0 */ + else + { + unsigned char *cp = (unsigned char *)&p; + int i; + + h = 0; + for (i = 0; i < sizeof(void*); ++i) + h = hashtab[h ^ cp[i]]; + } + return h; +} + +/* +** SM_MALLOC_TAGGED -- wrapper around malloc(), debugging version. +** +** Parameters: +** size -- size of requested memory. +** tag -- tag for debugging. +** num -- additional value for debugging. +** group -- heap group for debugging. +** +** Returns: +** Pointer to memory region. +*/ + +void * +sm_malloc_tagged(size, tag, num, group) + size_t size; + char *tag; + int num; + int group; +{ + void *ptr; + + if (!HEAP_CHECK) + { + ENTER_CRITICAL(); + ptr = malloc(MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + return ptr; + } + + if (sm_xtrap_check()) + return NULL; + if (sm_debug_active(&SmHeapLimit, 1) + && sm_debug_level(&SmHeapLimit) < SmHeapTotal + size) + return NULL; + ENTER_CRITICAL(); + ptr = malloc(MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (ptr != NULL && !sm_heap_register(ptr, size, tag, num, group)) + { + ENTER_CRITICAL(); + free(ptr); + LEAVE_CRITICAL(); + ptr = NULL; + } + SmHeapTotal += size; + if (SmHeapTotal > SmHeapMaxTotal) + SmHeapMaxTotal = SmHeapTotal; + return ptr; +} + +/* +** SM_MALLOC_TAGGED_X -- wrapper around malloc(), debugging version. +** +** Parameters: +** size -- size of requested memory. +** tag -- tag for debugging. +** num -- additional value for debugging. +** group -- heap group for debugging. +** +** Returns: +** Pointer to memory region. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +void * +sm_malloc_tagged_x(size, tag, num, group) + size_t size; + char *tag; + int num; + int group; +{ + void *ptr; + + if (!HEAP_CHECK) + { + ENTER_CRITICAL(); + ptr = malloc(MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (ptr == NULL) + sm_exc_raise_x(&SmHeapOutOfMemory); + return ptr; + } + + sm_xtrap_raise_x(&SmHeapOutOfMemory); + if (sm_debug_active(&SmHeapLimit, 1) + && sm_debug_level(&SmHeapLimit) < SmHeapTotal + size) + { + sm_exc_raise_x(&SmHeapOutOfMemory); + } + ENTER_CRITICAL(); + ptr = malloc(MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (ptr != NULL && !sm_heap_register(ptr, size, tag, num, group)) + { + ENTER_CRITICAL(); + free(ptr); + LEAVE_CRITICAL(); + ptr = NULL; + } + if (ptr == NULL) + sm_exc_raise_x(&SmHeapOutOfMemory); + SmHeapTotal += size; + if (SmHeapTotal > SmHeapMaxTotal) + SmHeapMaxTotal = SmHeapTotal; + return ptr; +} + +/* +** SM_HEAP_REGISTER -- register a pointer into the heap for debugging. +** +** Parameters: +** ptr -- pointer to register. +** size -- size of requested memory. +** tag -- tag for debugging. +** num -- additional value for debugging. +** group -- heap group for debugging. +** +** Returns: +** true iff successfully registered (not yet in table). +*/ + +bool +sm_heap_register(ptr, size, tag, num, group) + void *ptr; + size_t size; + char *tag; + int num; + int group; +{ + int i; + SM_HEAP_ITEM_T *hi; + + if (!HEAP_CHECK) + return true; + SM_REQUIRE(ptr != NULL); + i = ptrhash(ptr); +# if SM_CHECK_REQUIRE + + /* + ** We require that ptr is not already in SmHeapTable. + */ + + for (hi = SmHeapTable[i]; hi != NULL; hi = hi->hi_next) + { + if (hi->hi_ptr == ptr) + sm_abort("sm_heap_register: ptr %p is already registered (%s:%d)", + ptr, hi->hi_tag, hi->hi_num); + } +# endif /* SM_CHECK_REQUIRE */ + ENTER_CRITICAL(); + hi = (SM_HEAP_ITEM_T *) malloc(sizeof(SM_HEAP_ITEM_T)); + LEAVE_CRITICAL(); + if (hi == NULL) + return false; + hi->hi_ptr = ptr; + hi->hi_size = size; + hi->hi_tag = tag; + hi->hi_num = num; + hi->hi_group = group; + hi->hi_next = SmHeapTable[i]; + SmHeapTable[i] = hi; + return true; +} +/* +** SM_REALLOC -- wrapper for realloc(), debugging version. +** +** Parameters: +** ptr -- pointer to old memory area. +** size -- size of requested memory. +** +** Returns: +** Pointer to new memory area, NULL on failure. +*/ + +void * +sm_realloc(ptr, size) + void *ptr; + size_t size; +{ + void *newptr; + SM_HEAP_ITEM_T *hi, **hp; + + if (!HEAP_CHECK) + { + ENTER_CRITICAL(); + newptr = realloc(ptr, MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + return newptr; + } + + if (ptr == NULL) + return sm_malloc_tagged(size, "realloc", 0, SmHeapGroup); + + for (hp = &SmHeapTable[ptrhash(ptr)]; *hp != NULL; hp = &(**hp).hi_next) + { + if ((**hp).hi_ptr == ptr) + { + if (sm_xtrap_check()) + return NULL; + hi = *hp; + if (sm_debug_active(&SmHeapLimit, 1) + && sm_debug_level(&SmHeapLimit) + < SmHeapTotal - hi->hi_size + size) + { + return NULL; + } + ENTER_CRITICAL(); + newptr = realloc(ptr, MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (newptr == NULL) + return NULL; + SmHeapTotal = SmHeapTotal - hi->hi_size + size; + if (SmHeapTotal > SmHeapMaxTotal) + SmHeapMaxTotal = SmHeapTotal; + *hp = hi->hi_next; + hi->hi_ptr = newptr; + hi->hi_size = size; + hp = &SmHeapTable[ptrhash(newptr)]; + hi->hi_next = *hp; + *hp = hi; + return newptr; + } + } + sm_abort("sm_realloc: bad argument (%p)", ptr); + /* NOTREACHED */ + return NULL; /* keep Irix compiler happy */ +} + +/* +** SM_REALLOC_X -- wrapper for realloc(), debugging version. +** +** Parameters: +** ptr -- pointer to old memory area. +** size -- size of requested memory. +** +** Returns: +** Pointer to new memory area. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +void * +sm_realloc_x(ptr, size) + void *ptr; + size_t size; +{ + void *newptr; + SM_HEAP_ITEM_T *hi, **hp; + + if (!HEAP_CHECK) + { + ENTER_CRITICAL(); + newptr = realloc(ptr, MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (newptr == NULL) + sm_exc_raise_x(&SmHeapOutOfMemory); + return newptr; + } + + if (ptr == NULL) + return sm_malloc_tagged_x(size, "realloc", 0, SmHeapGroup); + + for (hp = &SmHeapTable[ptrhash(ptr)]; *hp != NULL; hp = &(**hp).hi_next) + { + if ((**hp).hi_ptr == ptr) + { + sm_xtrap_raise_x(&SmHeapOutOfMemory); + hi = *hp; + if (sm_debug_active(&SmHeapLimit, 1) + && sm_debug_level(&SmHeapLimit) + < SmHeapTotal - hi->hi_size + size) + { + sm_exc_raise_x(&SmHeapOutOfMemory); + } + ENTER_CRITICAL(); + newptr = realloc(ptr, MALLOC_SIZE(size)); + LEAVE_CRITICAL(); + if (newptr == NULL) + sm_exc_raise_x(&SmHeapOutOfMemory); + SmHeapTotal = SmHeapTotal - hi->hi_size + size; + if (SmHeapTotal > SmHeapMaxTotal) + SmHeapMaxTotal = SmHeapTotal; + *hp = hi->hi_next; + hi->hi_ptr = newptr; + hi->hi_size = size; + hp = &SmHeapTable[ptrhash(newptr)]; + hi->hi_next = *hp; + *hp = hi; + return newptr; + } + } + sm_abort("sm_realloc_x: bad argument (%p)", ptr); + /* NOTREACHED */ + return NULL; /* keep Irix compiler happy */ +} + +/* +** SM_FREE_TAGGED -- wrapper around free(), debugging version. +** +** Parameters: +** ptr -- pointer to memory region. +** tag -- tag for debugging. +** num -- additional value for debugging. +** +** Returns: +** none. +*/ + +void +sm_free_tagged(ptr, tag, num) + void *ptr; + char *tag; + int num; +{ + SM_HEAP_ITEM_T **hp; + + if (ptr == NULL) + return; + if (!HEAP_CHECK) + { + ENTER_CRITICAL(); + free(ptr); + LEAVE_CRITICAL(); + return; + } + for (hp = &SmHeapTable[ptrhash(ptr)]; *hp != NULL; hp = &(**hp).hi_next) + { + if ((**hp).hi_ptr == ptr) + { + SM_HEAP_ITEM_T *hi = *hp; + + *hp = hi->hi_next; + + /* + ** Fill the block with zeros before freeing. + ** This is intended to catch problems with + ** dangling pointers. The block is filled with + ** zeros, not with some non-zero value, because + ** it is common practice in some C code to store + ** a zero in a structure member before freeing the + ** structure, as a defense against dangling pointers. + */ + + (void) memset(ptr, 0, hi->hi_size); + SmHeapTotal -= hi->hi_size; + ENTER_CRITICAL(); + free(ptr); + free(hi); + LEAVE_CRITICAL(); + return; + } + } + sm_abort("sm_free: bad argument (%p) (%s:%d)", ptr, tag, num); +} + +/* +** SM_HEAP_CHECKPTR_TAGGED -- check whether ptr is a valid argument to sm_free +** +** Parameters: +** ptr -- pointer to memory region. +** tag -- tag for debugging. +** num -- additional value for debugging. +** +** Returns: +** none. +** +** Side Effects: +** aborts if check fails. +*/ + +void +sm_heap_checkptr_tagged(ptr, tag, num) + void *ptr; + char *tag; + int num; +{ + SM_HEAP_ITEM_T *hp; + + if (!HEAP_CHECK) + return; + if (ptr == NULL) + return; + for (hp = SmHeapTable[ptrhash(ptr)]; hp != NULL; hp = hp->hi_next) + { + if (hp->hi_ptr == ptr) + return; + } + sm_abort("sm_heap_checkptr(%p): bad ptr (%s:%d)", ptr, tag, num); +} + +/* +** SM_HEAP_REPORT -- output "map" of used heap. +** +** Parameters: +** stream -- the file pointer to write to. +** verbosity -- how much info? +** +** Returns: +** none. +*/ + +void +sm_heap_report(stream, verbosity) + SM_FILE_T *stream; + int verbosity; +{ + int i; + unsigned long group0total, group1total, otherstotal, grandtotal; + + if (!HEAP_CHECK || verbosity <= 0) + return; + group0total = group1total = otherstotal = grandtotal = 0; + for (i = 0; i < sizeof(SmHeapTable) / sizeof(SmHeapTable[0]); ++i) + { + SM_HEAP_ITEM_T *hi = SmHeapTable[i]; + + while (hi != NULL) + { + if (verbosity > 2 + || (verbosity > 1 && hi->hi_group != 0)) + { + sm_io_fprintf(stream, SM_TIME_DEFAULT, + "%4d %*lx %7lu bytes", + hi->hi_group, + (int) sizeof(void *) * 2, + (long)hi->hi_ptr, + (unsigned long)hi->hi_size); + if (hi->hi_tag != NULL) + { + sm_io_fprintf(stream, SM_TIME_DEFAULT, + " %s", + hi->hi_tag); + if (hi->hi_num) + { + sm_io_fprintf(stream, + SM_TIME_DEFAULT, + ":%d", + hi->hi_num); + } + } + sm_io_fprintf(stream, SM_TIME_DEFAULT, "\n"); + } + switch (hi->hi_group) + { + case 0: + group0total += hi->hi_size; + break; + case 1: + group1total += hi->hi_size; + break; + default: + otherstotal += hi->hi_size; + break; + } + grandtotal += hi->hi_size; + hi = hi->hi_next; + } + } + sm_io_fprintf(stream, SM_TIME_DEFAULT, + "heap max=%lu, total=%lu, ", + (unsigned long) SmHeapMaxTotal, grandtotal); + sm_io_fprintf(stream, SM_TIME_DEFAULT, + "group 0=%lu, group 1=%lu, others=%lu\n", + group0total, group1total, otherstotal); + if (grandtotal != SmHeapTotal) + { + sm_io_fprintf(stream, SM_TIME_DEFAULT, + "BUG => SmHeapTotal: got %lu, expected %lu\n", + (unsigned long) SmHeapTotal, grandtotal); + } +} +#endif /* !SM_HEAP_CHECK */ diff --git a/contrib/sendmail-8.13.4/libsm/heap.html b/contrib/sendmail-8.13.4/libsm/heap.html new file mode 100644 index 0000000000..bc32b012e7 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/heap.html @@ -0,0 +1,424 @@ + + + libsm : Memory Allocation + + + +Back to libsm overview + +
+

libsm : Memory Allocation

+
$Id: heap.html,v 1.9 2000/12/08 21:41:42 ca Exp $ +
+ +

Introduction

+ +The heap package provides a layer of abstraction on top of +malloc, realloc and free +that provides optional error checking and memory leak detection, +and which optionally raises an exception when an allocation request +cannot be satisfied. + +

Synopsis

+ +
+#include <sm/heap.h>
+
+/*
+**  Wrappers for malloc, realloc, free
+*/
+void *sm_malloc(size_t size);
+void *sm_realloc(void *ptr, size_t size);
+void  sm_free(void *ptr);
+
+/*
+**  Wrappers for malloc, realloc that raise an exception instead of
+**  returning NULL on heap exhaustion.
+*/
+void *sm_malloc_x(size_t size);
+void *sm_realloc_x(void *ptr, size_t size);
+
+/*
+**  Print a list of currently allocated blocks,
+**  used to diagnose memory leaks.
+*/
+void  sm_heap_report(FILE *stream, int verbosity);
+
+/*
+**  Low level interfaces.
+*/
+int sm_heap_group();
+int sm_heap_setgroup(int g);
+int sm_heap_newgroup();
+void *sm_malloc_tagged(size_t size, char *file, int line, int group);
+void *sm_malloc_tagged_x(size_t size, char *file, int line, int group);
+bool  sm_heap_register(void *ptr, size_t size, char *file, int line);
+
+ +

How to allocate and free memory

+ + sm_malloc, sm_realloc and sm_free + are portable plug in replacements + for malloc, realloc and free that provide + error checking and memory leak detection. + sm_malloc_x and sm_realloc_x + are variants of + sm_malloc and sm_realloc + that raise an exception on error. + To use the package effectively, + all calls to malloc, realloc and free + should be replaced by calls + to the corresponding sm_* routines. + +
+
+ void *sm_malloc(size_t size) +
+ This function is a plug-in replacement for malloc. + It allocates size bytes of memory on the heap + and returns a pointer to it, + or it returns NULL on failure. +

+ + The C standard says that malloc(0) may return + either NULL or a non-NULL value. + To ensure consistent behaviour on all platforms, + sm_malloc(0) is equivalent to sm_malloc(1). +

+ + In addition, if heap checking is enabled, then sm_malloc + maintains a hash table describing all currently allocated + memory blocks. This table is used for argument validity + checking in sm_realloc and sm_free, + and it can be printed using sm_heap_report + as an aid to finding memory leaks. +

+ +

+ void *sm_malloc_x(size_t size) +
+ This function is just like sm_malloc + except that it raises the SmHeapOutOfMemory exception + instead of returning NULL on error. +

+ +

+ void *sm_realloc(void *ptr, size_t size) +
+ This function is a plug-in replacement for realloc. + If ptr is null then this call is equivalent + to sm_malloc(size). + Otherwise, the size of the object pointed to by ptr + is changed to size bytes, and a pointer to the + (possibly moved) object is returned. + If the space cannot be allocated, then the object pointed to + by ptr is unchanged and NULL is returned. +

+ + If size is 0 then we pretend that size is 1. + This may be a mistake. +

+ + If ptr is not NULL and heap checking is enabled, + then ptr is required to be a value that was + previously returned by sm_malloc or sm_realloc, and which + has not yet been freed by sm_free. If this condition is not + met, then the program is aborted using sm_abort. +

+ +

+ void *sm_realloc_x(void *ptr, size_t size) +
+ This function is just like sm_realloc + except that it raises the SmHeapOutOfMemory exception + instead of returning NULL on error. +

+ +

+ void sm_free(void *ptr) +
+ This function is a plug-in replacement for free. + If heap checking is disabled, then this function is equivalent + to a call to free. Otherwise, the following additional semantics + apply. +

+ + If ptr is NULL, this function has no effect. +

+ + Otherwise, ptr is required to be a value that was + previously returned by sm_malloc or sm_realloc, and which + has not yet been freed by sm_free. If this condition is not + met, then the program is aborted using sm_abort. +

+ + Otherwise, if there is no error, then the block pointed to by ptr + will be set to all zeros before free() is called. This is intended + to assist in detecting the use of dangling pointers. +

+ +

How to control tag information

+ +When heap checking is enabled, +the heap package maintains a hash table which associates the +following values with each currently allocated block: + +
+
+ size_t size +
+ The size of the block. +
+ char *tag +
+ By default, this is the name of the source file from which + the block was allocated, but you can specify an arbitrary + string pointer, or NULL. +
+ int num +
+ By default, this is the line number from which the block was + allocated. +
+ int group +
+ By convention, group==0 indicates that the block is permanently + allocated and will never be freed. The meanings of other group + numbers are defined by the application developer. + Unless you take special action, all blocks allocated by + sm_malloc and sm_malloc_x will be assigned + to group 1. +
+ +These tag values are printed by sm_heap_report, +and are used to help analyze memory allocation behaviour +and to find memory leaks. +The following functions give you precise control over the +tag values associated with each allocated block. + +
+
+ void *sm_malloc_tagged(size_t size, int tag, int num, int group) +
+ Just like sm_malloc, except you directly specify + all of the tag values. + If heap checking is disabled at compile time, then a call + to sm_malloc_tagged is macro expanded to + a call to malloc. +

+ + Note that the expression sm_malloc(size) is macro expanded to + +

+sm_malloc_tagged(size, __FILE__, __LINE__, sm_heap_group())
+
+ +
+ void *sm_malloc_tagged_x(size_t size, int tag, int num, int group) +
+ A variant of sm_malloc_tagged + that raises an exception on error. + A call to sm_malloc_x is macro expanded + to a call to sm_malloc_tagged_x. +

+ +

+ int sm_heap_group() +
+ The heap package maintains a thread-local variable containing + the current group number. + This is the group that sm_malloc and sm_malloc_x + will assign a newly allocated block to. + The initial value of this variable is 1. + The current value of this variable is returned by + sm_heap_group(). +

+ +

+ int sm_heap_setgroup(int g) +
+ Set the current group to the specified value. +
+ +Here are two examples of how you might use these interfaces. + +
    +
  1. +One way to detect memory leaks is to turn on heap checking +and call sm_heap_report(stdout,2) +when the program exits. +This prints a list of all allocated blocks that do not belong to group 0. +(Blocks in group 0 are assumed to be permanently allocated, +and so their existence at program exit does not indicate a leak.) +If you want to allocate a block and assign it to group 0, +you have two choices: + +
    +int g = sm_heap_group();
+sm_heap_setgroup(0);
+p = sm_malloc_x(size);
+sm_heap_setgroup(g);
+
    + +or + +
    +p = sm_malloc_tagged_x(size, __FILE__, __LINE__, 0);
+
    + +
  2. +Suppose you have a utility function foo_alloc which allocates +and initializes a 'foo' object. When sm_heap_report is called, +all unfreed 'foo' objects will be reported to have the same +source code file name and line number. +That might make it difficult to determine where a memory leak is. +

    + +Here is how you can arrange for more precise reporting for +unfreed foo objects: + +

    +#include <sm/heap.h>
+
+#if SM_HEAP_CHECK
+#  define foo_alloc_x() foo_alloc_tagged_x(__FILE__,__LINE)
+   FOO *foo_alloc_tagged_x(char *, int);
+#else
+   FOO *foo_alloc_x(void);
+#  define foo_alloc_tagged_x(file,line) foo_alloc_x()
+#endif
+
+...
+
+#if SM_HEAP_CHECK
+FOO *
+foo_alloc_tagged_x(char *file, int line)
+#else
+FOO *
+foo_alloc_x(void)
+#endif
+{
+	FOO *p;
+
+	p = sm_malloc_tagged_x(sizeof(FOO), file, line, sm_heap_group());
+	...
+	return p;
+}
+
    +
+ +

How to dump the block list

+ +To perform memory leak detection, you need to arrange for your +program to call sm_heap_report at appropriate times. + +
+
+ void sm_heap_report(FILE *stream, int verbosity) +
+ If heap checking is disabled, this function does nothing. + If verbosity <= 0, this function does nothing. +

+ + If verbosity >= 1, then sm_heap_report prints a single line + to stream giving the total number of bytes currently allocated. + If you call sm_heap_report each time the program has reached a + "ground state", and the reported amount of heap storage is + monotonically increasing, that indicates a leak. +

+ + If verbosity >= 2, then sm_heap_report additionally prints one line + for each block of memory currently allocated, providing that + the group != 0. + (Such blocks are assumed to be permanently allocated storage, and + are not reported to cut down the level of noise.) +

+ + If verbosity >= 3, then sm_heap_report prints one line for each + allocated block, regardless of the group. +

+ +

How to enable heap checking

+ +The overhead of using the package can be made as small as you want. +You have three options: + +
    +
  1. + If you compile your software with -DSM_HEAP_CHECK=0 then + sm_malloc, sm_realloc and sm_free will be redefined + as macros that call malloc, realloc, and free. In this case, + there is zero overhead. +
  2. + If you do not define -DSM_HEAP_CHECK=0, and you do not explicitly + turn on heap checking at run time, then your program will run + without error checking and memory leak detection, and the additional + cost of calling sm_malloc, sm_realloc and sm_free is a + function call and test. That overhead is sufficiently low that + the checking code can be left compiled in a production environment. +
  3. + If you do not define -DSM_HEAP_CHECK=0, and you explicitly turn on + heap checking at run time, then the additional cost of calling + sm_malloc, sm_realloc and sm_free is a hash table lookup. +
+ + Here's how to modify your application to use the heap package. + First, change all calls to malloc, realloc and free to sm_malloc, + sm_realloc and sm_free. + Make sure that there is a -d command line option that + uses the libsm debug package to enable named debug options. + Add the following code to your program just before it calls exit, + or register an atexit handler function containing the following code: + +
+#if SM_HEAP_CHECK
+	/* dump the heap, if we are checking for memory leaks */
+	if (sm_debug_active(&SmHeapCheck, 2))
+		sm_heap_report(stdout, sm_debug_level(&SmHeapCheck) - 1);
+#endif
+
+ + To turn on heap checking, use the command line option "-dsm_check_heap.1". + This will cause a table of all currently allocated blocks to be + maintained. The table is used by sm_realloc and sm_free to perform + validity checking on the first argument. + +

+ The command line option "-dsm_check_heap.2" will cause your application + to invoke sm_heap_report with verbosity=1 just before exit. + That will print a single line reporting total storage allocation. + +

+ The command line option "-dsm_check_heap.3" will cause your application + to invoke sm_heap_report with verbosity=2 just before exit. + This will print a list of all leaked blocks. + +

+ The command line option "-dsm_check_heap.4" will cause your application + to invoke sm_heap_report with verbosity=3 just before exit. + This will print a list of all allocated blocks. + +

Using sm_heap_register

+ + Suppose you call a library routine foo that allocates a block of storage + for you using malloc, and expects you to free the block later using + free. Because the storage was not allocated using sm_malloc, you + will normally get an abort if you try to pass the pointer to + sm_free. The way to fix this problem is to 'register' the pointer + returned by foo with the heap package, by calling sm_heap_register: + +
+bool sm_heap_register(ptr, size, file, line, group)
+
+ + The 'ptr' argument is the pointer returned by foo. The 'size' argument + can be smaller than the actual size of the allocated block, but it must + not be larger. The file and line arguments indicate at which line of + source code the block was allocated, and is printed by sm_heap_report. + For group, you probably want to pass sm_heap_group(). +

+ This function returns true on success, + or false if it failed due to heap exhaustion. + + + diff --git a/contrib/sendmail-8.13.4/libsm/index.html b/contrib/sendmail-8.13.4/libsm/index.html new file mode 100644 index 0000000000..f2eec16e6c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/index.html @@ -0,0 +1,174 @@ + + + libsm Overview + + + +

+

libsm Overview

+
$Id: index.html,v 1.14 2001/02/13 21:21:25 gshapiro Exp $ +
+ +

Introduction

+ +Libsm is a library of generally useful C abstractions. +Libsm stands alone; it depends on no other sendmail libraries, +and the only sendmail header files it depends on are its own, +which reside in ../include/sm. + +

Contents

+ +Here is the current set of packages: +
+ gen: general definitions
+ debug: debugging and tracing
+ assert: assertion handling and aborts
+ heap: memory allocation
+ exc: exception handling
+ rpool: resource pools
+ cdefs: C language portability macros
+ io: buffered i/o
+
+ +

Naming Conventions

+ + Some of the symbols defined by libsm + come from widely used defacto or dejure standards. + Examples include size_t (from the C 89 standard), + bool (from the C 99 standard), + strerror (from Posix), + and __P (from BSD and Linux). + In these cases, we use the standard name rather than + inventing a new name. + We import the name from the appropriate header file when possible, + or define it ourselves when necessary. + When you are using one of these abstractions, you must include + the appropriate libsm header file. + For example, when you are using strerror, you must + include <sm/string.h> instead of <string.h>. + +

+ When we aren't implementing a standard interface, + we use a naming convention that attempts to maximize portability + across platforms, and minimize conflicts with other libraries. + Except for a few seemingly benign exceptions, + all names begin with SM_, Sm or sm_. + +

+ The ISO C, Posix and Unix standards forbid applications + from using names beginning with __ or _[A-Z], + and place restrictions on what sorts of names can begin + with _[a-z]. Such names are reserved for the compiler and + the standard libraries. + For this reason, we avoid defining any names that begin + with _. + For example, all libsm header file idempotency macros have the form + SM_FOO_H (no leading _). + +

+ Type names begin with SM_ and end with _T. + Note that the Posix standard reserves all identifiers ending + with _t. + +

+ All functions that are capable of raising an exception + have names ending in _x, and developers are + encouraged to use this convention when writing new code. + This naming convention may seem unnecessary at first, + but it becomes extremely useful during maintenance, + when you are attempting to reason about the correctness + of a block of code, + and when you are trying to track down exception-related bugs + in existing code. + +

Coding Conventions

+ +The official style for function prototypes in libsm header files is + +
+extern int
+foo __P((
+	int _firstarg,
+	int _secondarg));
+
+ +The extern is useless, but required for stylistic reasons. +The parameter names are optional; if present they are lowercase +and begin with _ to avoid namespace conflicts. +Each parameter is written on its own line to avoid very long lines. + +

+For each structure struct sm_foo defined by libsm, +there is a typedef: + +

+typedef struct sm_foo SM_FOO_T;
+
+ +and there is a global variable which is defined as follows: + +
+const char SmFooMagic[] = "sm_foo";
+
+ +The first member of each structure defined by libsm is + +
+const char *sm_magic;
+
+ +For all instances of struct sm_foo, +sm_magic contains SmFooMagic, +which points to a unique character string naming the type. +It is used for debugging and run time type checking. + +

+Each function with a parameter declared SM_FOO_T *foo +contains the following assertion: + +

+SM_REQUIRE_ISA(foo, SmFooMagic);
+
+ +which is equivalent to + +
+SM_REQUIRE(foo != NULL && foo->sm_magic == SmFooMagic);
+
+ +When an object of type SM_FOO_T is deallocated, +the member sm_magic is set to NULL. +That will cause the above assertion to fail if a dangling pointer is used. + +

Additional Design Goals

+ +Here are some of my design goals: +
    +

    +

  • The sm library is self contained; it does not depend on any other + sendmail libraries or header files. +

    +

  • The sm library must be compatible with shared libraries, + even on platforms with weird implementation restrictions. + I assume that a shared library can export global variables; + the debug package relies on this assumption. + I do not assume that if an application redefines a function defined + in a shared library, the shared library will use the version of the + function defined in the application in preference to the version + that it defines. + For this reason, I provide interfaces for registering handler functions + in cases where an application might need to override standard behaviour. +

    +

  • The sm library must be compatible with threads. + The debug package presents a small problem: I don't want + sm_debug_active to acquire and release a lock. + So I assume that + there exists an integral type SM_ATOMIC_INT_T + (see <sm/gen.h>) + that can be accessed and updated atomically. + I assume that locking must be used to guard updates and accesses to + any other type, and I have designed the interfaces accordingly. +
+ + + diff --git a/contrib/sendmail-8.13.4/libsm/io.html b/contrib/sendmail-8.13.4/libsm/io.html new file mode 100644 index 0000000000..5bb7c32dbc --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/io.html @@ -0,0 +1,745 @@ + + +libsm sm_io general overview + + +Back to libsm overview +
+

libsm sm_io general overview

+
$Id: io.html,v 1.3 2001/03/17 03:22:50 gshapiro Exp $ +
+

Introduction

+

+The sm_io portion of the libsm library is similar to +the stdio library. It is derived from the Chris Torek version +of the stdio library (BSD). There are some key differences +described below between sm_io and stdio but many +similarities will be noticed. +

+

+A key difference between stdio and sm_io is that the +functional code that does the open, close, read, write, etc. on a file +can be different for different files. For example, with stdio +the functional code (read, write) is either the default supplied in the +library or a "programmer specified" set of functions set via +sm_io_open(). Whichever set of functions are specified all +open's, read's, write's, etc use the same set of functions. In contrast, with +sm_io a different set of functions can be specified with each +active file for read's, write's, etc. These different function sets +are identified as file types (see sm_io_open()). Each function +set can handle the actions directly, pass the action request to +another function set or do some work before passing it on to another function +set. The setting of a function set for a file type can be done for +a file type at any time (even after the type is open). +

+

+A second difference is the use of rpools. +An rpool is specified with the opening of a file +(sm_io_open()). +This allows of a file to be associated with an rpool so that when the +rpool is released the open file will be closed; the sm_io_open() +registers that sm_io_close() should be called when the rpool is +released. +

+

+A third difference is that the I/O functions take a timeout +argument. This allows the setting of a maximum amount of time allowable +for the I/O to be completed. This means the calling program does not need +to setup it's own timeout mechanism. NOTE: SIGALRM's should not be +active in the calling program when an I/O function with a timeout +is used. +

+

+When converting source code from stdio to sm_io be +very careful to NOTE: the arguments to functions have been rationalized. +That is, unlike stdio, all sm_io functions that +take a file pointer (SM_FILE_T *) argument have the file pointer +as the first argument. Also not all functions with stdio have +an identical matching sm_io API: the API list has been thinned +since a number of stdio API's overlapped in functionality. +Remember many functions also have a timeout argument added. +

+

+When a file is going to be opened, the file type is included with +sm_io_open(). +A file type is either one automatically included with the sm_io +library or one created by the program at runtime. +File types can be either buffered or unbuffered. When buffered the buffering +is either the builtin sm_io buffering or as done by the file type. +File types can be disk files, strings, TCP/IP connections or whatever +your imagination can come up with that can be read and/or written to. +

+

+Information about a particular file type or pointer can be obtained or set with +the sm_io "info" functions. +The sm_io_setinfo() and sm_io_getinfo() functions work on +an active file pointer. +

+

Include files

+

+There is one main include file for use with sm_io: io.h. Since the +use of rpools is specified with sm_io_open() an +rpool may +be created and thus rpool.h may need to be included as well +(before io.h). +

+
+#include <rpool.h>
+#include <io.h>
+
+ +

Functions/API's

+

+Below is a list of the functions for sm_io listed in +alphabetical order. Currently these functions return error codes +and set errno when appropriate. These (may?/will?) change to +raising exceptions later. +

+
+SM_FILE_T *sm_io_autoflush(SM_FILE_T *fp, SM_FILE_T *)
+
+void sm_io_automode(SM_FILE_T *fp, SM_FILE_T *)
+
+void sm_io_clearerr(SM_FILE_T *fp)
+
+int sm_io_close(SM_FILE_T *fp, int timeout)
+
+int sm_io_dup(SM_FILE_T *fp)
+
+int sm_io_eof(SM_FILE_T *fp)
+
+int sm_io_error(SM_FILE_T *fp)
+
+char * sm_io_fgets(SM_FILE_T *fp, int timeout, char *buf, int n)
+
+int sm_io_flush(SM_FILE_T *fp, int timeout)
+
+int sm_io_fopen(char *pathname, int flags [, MODE_T mode])
+
+int sm_io_fprintf(SM_FILE_T *fp, int timeout, const char *fmt, ...)
+
+int sm_io_fputs(s, int, SM_FILE_T *fp)
+
+int sm_io_fscanf(SM_FILE_T *fp, int timeout, char const *fmt, ...) 
+
+int sm_io_getc(SM_FILE_T *fp, int timeout)
+
+void sm_io_getinfo(SM_FILE_T *sfp, int what, void *valp)
+
+SM_FILE_T * sm_io_open(SM_FILE_T type, int timeout, void *info, int flags, void *rpool)
+
+int sm_io_purge(SM_FILE_T *fp)
+
+int sm_io_putc(SM_FILE_T *fp, int timeout, int c)
+
+size_t sm_io_read(SM_FILE_T *fp, int timeout, char *buf, size_t size)
+
+SM_FILE_T * sm_io_open(SM_FILE_T type, int timeout, void *info, int flags, void *rpool)
+
+void sm_io_rewind(SM_FILE_T *fp, int timeout)
+
+int sm_io_seek(SM_FILE_T *fp, off_t offset, int timeout, int whence)
+
+void sm_io_setinfo(SM_FILE_T *sfp, int what, void *valp)
+
+int sm_io_setvbuf(SM_FILE_T *fp, int timeout, char *buf, int mode, size_t size)
+
+int sm_io_sscanf(const char *str, char const *fmt, ...)
+
+long sm_io_tell(SM_FILE_T *fp, int timeout)
+
+int sm_io_ungetc(SM_FILE_T *fp, int timeout, int c)
+
+size_t sm_io_write(SM_FILE_T *fp, int timeout, char *buf, size_t size)
+
+int sm_snprintf(char *str, size_t n, char const *fmt, ...)
+
+
+ +

Timeouts

+

+For many of the functions a timeout argument is given. This limits +the amount of time allowed for the function to complete. There are three +pre-defined values: +

+
  • +SM_TIME_DEFAULT - timeout using the default setting for this file type +
    • +
  • +SM_TIME_FOREVER - timeout will take forever; blocks until task completed +
    • +
  • +SM_TIME_IMMEDIATE - timeout (virtually) now +
    • +     +

    +

    +A function caller can also specify a positive integer value in milliseconds. +A function will return with errno set to EINVAL if a bad value +is given for timeout. +When a function times out the function returns in error with errno +set to EAGAIN. In the future this may change to an exception being +thrown. +

    +

    Function Descriptions

    +
    + +

    +
    +SM_FILE_T * +
    +sm_io_fopen(char *pathname, int flags) +
    +SM_FILE_T * +
    +sm_io_fopen(char *pathname, int flags, MODE_T mode) +
    +
    +Open the file named by pathname, and associate a stream with it. +The arguments are the same as for the open(2) system call. +
    +If memory could not be allocated, an exception is raised. +If successful, an SM_FILE_T pointer is returned. +Otherwise, NULL is returned and errno is set. + +

    +
    +SM_FILE_T * +
    +sm_io_open(const SM_FILE_T *type, int timeout, const void *info, int flags, void *rpool) +
    +
    +Opens a file by type directed by info. Type is a filled-in +SM_FILE_T structure from the following builtin list +(descriptions below) +or one specified by the program. + +
  • +SmFtString +
    • +
  • +SmFtStdio +
    • +
  • +SmFtStdiofd +
    • +
  • +smioin * +
    • +
  • +smioout * +
    • +
  • +smioerr * +
    • +
  • +smiostdin * +
    • +
  • +smiostdout * +
    • +
  • +smiostderr * +
    • +
  • +SmFtSyslog +
    • +     +
    +The above list of file types are already appropriately filled in. Those marked +with a "*" are already open and may be used directly and immediately. +For program specified types, to set the type argument easily and with minimal error the macro +SM_IO_SET_TYPE should be used. The SM_FILE_T structure is fairly +large, but only a small portion of it need to be initialized for a new +type. +See also "Writing Functions for a File Type". + +
    +SM_IO_SET_TYPE(type, name, open, close, read, write, seek, get, set, timeout)
+
    +     +
    +Timeout is set as described in the Timeouts +section. +
    +Info is information that describes for the file type what is +to be opened and any associated information. +For a disk file this would be a file path; with a TCP +connection this could be an a structure containing an IP address and port. +
    Flags is a +set of sm_io flags that describes how the file is to be interacted with: + +
  • +SM_IO_RDWR - read and write +
    • +
  • +SM_IO_RDONLY - read only +
    • +
  • +SM_IO_WRONLY - write only +
    • +
  • +SM_IO_APPEND - allow write to EOF only +
    • +
  • +SM_IO_APPENDRW - allow read-write from EOF only +
    • +
  • +SM_IO_RDWRTR - read and write with truncation of file first +
    • +     +Rpool is the address of the rpool that this open is to be associated +with. When the rpool is released then the close function for this +file type will be automatically called to close the file for cleanup. +If NULL is specified for rpool then the close function is not +associated (attached) to an rpool. +
    +On cannot allocate memory, an exception is raised. +If the type is invalid, sm_io_open will abort the process. +On success an SM_FILE_T * pointer is returned. +On failure the NULL pointer is returned and errno is set. +
    + +

    +
    +int +
    +sm_io_setinfo(SM_FILE_T *sfp, int what, void *valp) +
    +
    +For the open file sfp set the indicated information (what) +to the new value (valp). +This will make the change for this SM_FILE_T only. The file +type that sfp originally belonged to will still be +configured the same way (this is to prevent side-effect +to other open's of the same file type, particularly with threads). +The value of what will be file-type dependant since this function +is one of the per file type setable functions. +One value for what that is valid for all file types is +SM_WHAT_VECTORS. This sets the currently open file with a new function +vector set for open, close, etc. The new values are taken from valp +a SM_FILE_T filled in by the used via the macro SM_IO_SET_TYPE +(see and +"Writing Functions for a File Type" for more information). +
    +On success 0 (zero) is returned. On failure -1 is returned and errno is set. +
    + +

    +
    +int +
    +sm_io_getinfo(SM_FILE_T *sfp, int what, void *valp) +
    +
    +For the open file sfp get the indicated information (what) +and place the result in (valp). +This will obtain information for SM_FILE_T only and may be different than +the information for the file type it was originally opened as. +The value of what will be file type dependant since this function +is one of the per file type setable functions. +One value for what that is valid for all file types is +SM_WHAT_VECTORS. This gets from the currently open file a copy of +the function vectors and stores them in valp a SM_FILE_T +(see +"Writing Functions for a File Type" for more information). +
    +On success 0 (zero) is returned. On failure -1 is returned and errno is set. +
    + +

    +
    +void +
    +sm_io_autoflush(SM_FILE_T *fp1, *SM_FILE_T fp2) +
    +
    +Associate a read of fp1 with a data flush for fp2. If a read +of fp1 discovers that there is no data available to be read, then +fp2 will have it's data buffer flushed for writable data. It is +assumed that fp1 is open for reading and fp2 is open +for writing. +
    +On return the old file pointer associated with fp1 for flushing +is returned. A return of NULL is no an error; this merely indicates no +previous association. +
    + +

    +
    +void +
    +sm_io_automode(SM_FILE_T *fp1, *SM_FILE_T fp2) +
    +
    +
    +Associate the two file pointers for blocking/non-blocking mode changes. +In the handling of timeouts sm_io may need to switch the mode of +a file between blocking and non-blocking. If the underlying file descriptor +has been duplicated with dup(2) and these descriptors are used +by sm_io (for example with an SmFtStdiofd file type), then this API +should be called to associate them. Otherwise odd behavior (i.e. errors) +may result that is not consistently reproducable nor easily identifiable. +
    + +

    +
    +int +
    +sm_io_close(SM_FILE_T *sfp, int timeout) +
    +
    +Release all resources (file handles, memory, etc.) associated with +the open SM_FILE_T sfp. If buffering is active then the +buffer is flushed before any resources are released. +Timeout is set as described in the Timeouts +section. +The first resources released after buffer flushing will be the +buffer itself. Then the close function specified in the +file type at open will be called. It is the responsibility +of the close function to release any file type +specific resources allocated and to call sm_io_close() +for the next file type layer(s) that the current file type uses (if any). +
    +On success 0 (zero) is returned. On failure SM_IO_EOF is returned and +errno is set. +
    +
    +

    +Description of Builtin File Types +

    +

    +There are several builtin file types as mentioned in sm_io_open(). +More file types may be added later. +

    +
    +

    +
    SmFtString
    +
    +Operates on a character string. SmFtString is a file type only. +The string starts at the location 0 (zero) +and ends at the last character. A read will obtain the requested +number of characters if available; else as many as possible. A read +will not terminate the read characters with a NULL ('\0'). A write +will place the number of requested characters at the current location. +To append to a string either the pointer must currently be at the end +of the string or a seek done to position the pointer. The file type +handles the space needed for the string. Thus space needed for the +string will be grown automagically without the user worrying about +space management. +
    +
    SmFtStdio
    +
    +A predefined SM_FILE_T structure with function vectors pointing to +functions that result in the file-type behaving as the system stdio +normally does. The info portion of the sm_io_open +is the path of the file to be opened. Note that this file type +does not interact with the system's stdio. Thus a program mixing system +stdio and sm_io stdio (SmFtStdio) will result in uncoordinated input +and output. +
    +
    SmFtStdiofd
    +
    +A predefined SM_FILE_T structure with function vectors pointing to +functions that result in the file-type behaving as the system stdio +normally does. The info portion of the sm_io_open +is a file descriptor (the value returned by open(2)). Note that this file type +does not interact with the system's stdio. Thus a program mixing system +stdio and sm_io stdio (SmFtStdio) will result in uncoordinated input +and output. +
    +
    smioin
    +
    smioout
    +
    smioerr
    +
    +The three types smioin, smioout and smioerr are grouped +together. These three types +perform in the same manner as stdio's stdin, stdout +and stderr. These types are both the names and the file pointers. +They are already open when a program starts (unless the parent explictly +closed file descriptors 0, 1 and 2). +Thus sm_io_open() should never be called for these types: +the named file pointers should be used directly. +Smioin and smioout are buffered +by default. Smioerr is not buffered by default. Calls to stdio +are safe to make when using these threesm_io file pointers. +There is no interaction between sm_io and stdio. Hence, +due to buffering, the sequence of input and output data from both sm_io +and stdio at the same time may appear unordered. For +coordination between sm_io and stdio use the three +file pointers below (smiostdin, smiostdout, smiostderr). +
    +
    smiostdin
    +
    smiostdout
    +
    smiostderr
    +
    +The three types smiostdin, smioostdut and smiostderr +are grouped together. These three types +perform in the same manner as stdio's stdin, stdout +and stderr. These types are both the names and file pointers. +They are already open when a program starts (unless the parent explictly +close file descriptors 0, 1 and 2). +Thus sm_io_open() should +never be called: the named file pointers should be used directly. +Calls to stdio are safe to make when using these threesm_io +file pointers though no code is shared between the two libaries. +However, the input and output between sm_io and stdio is +coordinated for these three file pointers: smiostdin, +smiostdout and smiostderr are layered on-top-of +the system's stdio. +Smiostdin, smiostdout +and Smiostderr are not buffered by default. +Hence, due to buffering in stdio only, the sequence of input and +output data from both sm_io and stdio at the same time will +appear ordered. If sm_io buffering is turned on then the +input and output can appear unordered or lost. +
    +
    SmFtSyslog
    +
    +This opens the channel to the system log. Reads are not allowed. Writes +cannot be undone once they have left the sm_io buffer. +The man pages for syslog(3) should be read for information +on syslog. +
    +
    +

    +
    +

    +

    + +Writing Functions for a File Type + +

    +

    +When writing functions to create a file type a function needs to +be created for each function vector in the SM_FILE_T structure +that will be passed to sm_io_open() or sm_io_setinfo(). +Otherwise the setting will be rejected and errno set to EINVAL. +Each function should accept and handle the number and types of arguments as +described in the portion of the SM_FILE_T structure shown below: +

    +
    +        int      (*open) __P((SM_FILE_T *fp, const void *, int flags,
+                              const void *rpool));
+        int      (*close) __P((SM_FILE_T *fp));
+        int      (*read)  __P((SM_FILE_T *fp, char *buf, size_t size));
+        int      (*write) __P((SM_FILE_T *fp, const char *buf, size_t size));
+        off_t    (*seek)  __P((SM_FILE_T *fp, off_t offset, int whence));
+        int      (*getinfo) __P((SM_FILE_T *fp, int what, void *valp));
+        int      (*setinfo) __P((SM_FILE_T *fp, int what, void *valp));
+
    +

    +The macro SM_IO_SET_TYPE should be used to initialized an SM_FILE_T as a file +type for an sm_io_open(): +

    +
    +SM_IO_SET_TYPE(type, name, open, close, read, write, seek, get, set, timeout)
+
    +
    +where: + +
  • +type - is the SM_FILE_T being filled-in +
    • +
  • +name - a human readable character string for human identification purposes +
    • +
  • +open - the vector to the open function +
    • +
  • +close - the vector to the close function +
    • +
  • +read - the vector to the read function +
    • +
  • +write - the vector to the write function +
    • +
  • +seek - the vector to the seek function +
    • +
  • +set - the vector to the set function +
    • +
  • +get - the vector to the get function +
    • +
  • +timeout - the default to be used for a timeout when SM_TIME_DEFAULT specified +
    • +     +     +You should avoid trying to change or use the other structure members of the +SM_FILE_T. The file pointer content (internal structure members) of an active +file should only be set and observed with the "info" functions. +The two exceptions to the above statement are the structure members +cookie and ival. Cookie is of type void * +while ival is of type int. These two structure members exist +specificly for your created file type to use. The sm_io functions +will not change or set these two structure members; only specific file type +will change or set these variables. +

    +

    +For maintaining information privately about status for a file type the +information should be encapsulated in a cookie. A cookie +is an opaque type that contains information that is only known to +the file type layer itself. The sm_io package will know +nothing about the contents of the cookie; sm_io only +maintains the location of the cookie so that it may be passed +to the functions of a file type. It is up to the file type to +determine what to do with the cookie. It is the responsibility +of the file type's open to create the cookie and point the SM_FILE_T's +cookie at the address of the cookie. +It is the responsibility of close to clean up +any resources that the cookie and instance of the file type have used. +

    +

    +For the cookie to be passed to all members of a function type +cleanly the location of the cookie must assigned during +the call to open. The file type functions should not attempt to +maintain the cookie internally since the file type may have +serveral instances (file pointers). +

    +

    +The SM_FILE_T's member ival may be used in a manner similar to +cookie. It is not to be used for maintaining the file's offset +or access status (other members do that). It is intended as a "light" +reference. +

    +

    +The file type vector functions are called by the sm_io_*() +functions after sm_io processing has occurred. The sm_io +processing validates SM_FILE_T's and may then handle the call entirely +itself or pass the request to the file type vector functions. +

    +

    +All of the "int" functions should return -1 (minus one) on failure +and 0 (zero) or greater on success. Errno should be set to +provide diagnostic information to the caller if it has not already +been set by another function the file type function used. +

    +

    +Examples are a wonderful manner of clarifying details. Below is an example +of an open function. +

    +

    +This shows the setup. +

    +
    +SM_FILE_T *fp;
+SM_FILE_T SM_IO_SET_TYPE(vector, "my_type", myopen, myclose, myread, mywrite,
+				myseek, myget, myset, SM_TIME_FOREVER);
+
+fp = sm_io_open(&vector, 1000, "data", SM_IO_RDONLY, NULL);
+
+if (fp == NULL)
+	return(-1);
+
    +The above code open's a file of type "my_type". The info is set +to a string "data". "data" may be the name of a file or have some special +meaning to the file type. For sake of the example, we will have it be +the name of a file in the home directory of the user running the program. +Now the only file type function that is dependent on this information +will be the open function. +
    +We have also specified read-only access (SM_IO_RDONLY) and that no rpool +will be used. The timeout has been set to 1000 milliseconds which +directs that the file and all associated setup should be done within +1000 milliseconds or return that the function erred (with errno==EAGAIN). +
    +int myopen(fp, info, flags, rpools)
+	SM_FILE_T *fp;
+        const void *info; 
+        int flags;
+        void *rpool;
+{
+	/*
+	**  now we could do the open raw (i.e with read(2)), but we will
+	**  use file layering instead. We will use the stdio file
+	**  type (different than the system's stdio).
+	*/
+	struct passwd *pw;
+	char path[PATH_MAX];
+
+	pw = getpwuid(getuid());
+	sm_io_snprintf(path, PATH_MAX, "%s/%s", pw->pw_dir, info);
+
+	/*
+	**  Okay. Now the path pass-in has been prefixed with the
+	**  user's HOME directory. We'll call the regular stdio (SmFtStdio)
+	**  now to handle the rest of the open.
+	*/
+	fp->cookie = sm_io_open(SmFtStdio, path, flags, rpools);
+	if (fp->cookie == NULL)
+		return(-1) /* errno set by sm_io_open call */
+	else
+		return(0);
+}
+
    +Later on when a write is performed the function mywrite will +be invoked. To match the above myopen, mywrite could +be written as: +
    +int mywrite(fp, buf, size)
+	SM_FILE_T *fp;
+        char *buf;
+        size_t size;
+{
+	/*
+	**  As an example, we can change, modify, refuse, filter, etc.
+	**  the content being passed through before we ask the SmFtStdio
+	**  to do the actual write.
+	**  This example is very simple and contrived, but this keeps it
+	**  clear.
+	*/
+	if (size == 0)
+		return(0); /* why waste the cycles? */
+	if (*buf == 'X')
+		*buf = 'Y';
+
+	/*
+	**  Note that the file pointer passed to the next level is the
+	**  one that was stored in the cookie during the open.
+	*/
+	return(sm_io_write(fp->cookie, buf, size));
+}
+
    +As a thought-exercise for the fair reader: how would you modify the +above two functions to make a "tee". That is the program will call +sm_io_open or sm_io_write and two or more files will +be opened and written to. (Hint: create a cookie to hold two or more +file pointers). +     +

    +

    +
    +
    +
    +

    +
    +

    + +libsm sm_io default API definition + +

    +
    +

    Introduction

    +

    +A number of sm_io API's perform similar to their stdio +counterparts (same name as when the "sm_io_" is removed). +One difference between sm_io and stdio functions is that +if a "file pointer" (FILE/SM_FILE_T) +is one of the arguments for the function, then it is now the first +argument. Sm_io is standardized so that when a file pointer is +one of the arguments to function then it will always be the first +arguement. Many of the sm_io function take a timeout +argument (see Timeouts). +

    +

    +The API you have selected is one of these. Please consult the +appropriate stdio man page for now. +

    + + + diff --git a/contrib/sendmail-8.13.4/libsm/ldap.c b/contrib/sendmail-8.13.4/libsm/ldap.c new file mode 100644 index 0000000000..3af7ffab01 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/ldap.c @@ -0,0 +1,1332 @@ +/* + * Copyright (c) 2001-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: ldap.c,v 1.62 2005/02/24 00:30:01 ca Exp $") + +#if LDAPMAP +# include +# include +# include +# include +# include + +# include +# include +# include +# include +# include +# include +# include +# ifdef EX_OK +# undef EX_OK /* for SVr4.2 SMP */ +# endif /* EX_OK */ +# include + +SM_DEBUG_T SmLDAPTrace = SM_DEBUG_INITIALIZER("sm_trace_ldap", + "@(#)$Debug: sm_trace_ldap - trace LDAP operations $"); + +static void ldaptimeout __P((int)); +static bool sm_ldap_has_objectclass __P((SM_LDAP_STRUCT *, LDAPMessage *, char *)); +static SM_LDAP_RECURSE_ENTRY *sm_ldap_add_recurse __P((SM_LDAP_RECURSE_LIST **, char *, int, SM_RPOOL_T *)); + +/* +** SM_LDAP_CLEAR -- set default values for SM_LDAP_STRUCT +** +** Parameters: +** lmap -- pointer to SM_LDAP_STRUCT to clear +** +** Returns: +** None. +** +*/ + +void +sm_ldap_clear(lmap) + SM_LDAP_STRUCT *lmap; +{ + if (lmap == NULL) + return; + + lmap->ldap_host = NULL; + lmap->ldap_port = LDAP_PORT; + lmap->ldap_uri = NULL; + lmap->ldap_version = 0; + lmap->ldap_deref = LDAP_DEREF_NEVER; + lmap->ldap_timelimit = LDAP_NO_LIMIT; + lmap->ldap_sizelimit = LDAP_NO_LIMIT; +# ifdef LDAP_REFERRALS + lmap->ldap_options = LDAP_OPT_REFERRALS; +# else /* LDAP_REFERRALS */ + lmap->ldap_options = 0; +# endif /* LDAP_REFERRALS */ + lmap->ldap_attrsep = '\0'; + lmap->ldap_binddn = NULL; + lmap->ldap_secret = NULL; + lmap->ldap_method = LDAP_AUTH_SIMPLE; + lmap->ldap_base = NULL; + lmap->ldap_scope = LDAP_SCOPE_SUBTREE; + lmap->ldap_attrsonly = LDAPMAP_FALSE; + lmap->ldap_timeout.tv_sec = 0; + lmap->ldap_timeout.tv_usec = 0; + lmap->ldap_ld = NULL; + lmap->ldap_filter = NULL; + lmap->ldap_attr[0] = NULL; + lmap->ldap_attr_type[0] = SM_LDAP_ATTR_NONE; + lmap->ldap_attr_needobjclass[0] = NULL; + lmap->ldap_res = NULL; + lmap->ldap_next = NULL; + lmap->ldap_pid = 0; +} + +/* +** SM_LDAP_START -- actually connect to an LDAP server +** +** Parameters: +** name -- name of map for debug output. +** lmap -- the LDAP map being opened. +** +** Returns: +** true if connection is successful, false otherwise. +** +** Side Effects: +** Populates lmap->ldap_ld. +*/ + +static jmp_buf LDAPTimeout; + +#define SM_LDAP_SETTIMEOUT(to) \ +do \ +{ \ + if (to != 0) \ + { \ + if (setjmp(LDAPTimeout) != 0) \ + { \ + errno = ETIMEDOUT; \ + return false; \ + } \ + ev = sm_setevent(to, ldaptimeout, 0); \ + } \ +} while (0) + +#define SM_LDAP_CLEARTIMEOUT() \ +do \ +{ \ + if (ev != NULL) \ + sm_clrevent(ev); \ +} while (0) + +bool +sm_ldap_start(name, lmap) + char *name; + SM_LDAP_STRUCT *lmap; +{ + int bind_result; + int save_errno = 0; + char *id; + SM_EVENT *ev = NULL; + LDAP *ld = NULL; + + if (sm_debug_active(&SmLDAPTrace, 2)) + sm_dprintf("ldapmap_start(%s)\n", name == NULL ? "" : name); + + if (lmap->ldap_host != NULL) + id = lmap->ldap_host; + else if (lmap->ldap_uri != NULL) + id = lmap->ldap_uri; + else + id = "localhost"; + + if (sm_debug_active(&SmLDAPTrace, 9)) + { + /* Don't print a port number for LDAP URIs */ + if (lmap->ldap_uri != NULL) + sm_dprintf("ldapmap_start(%s)\n", id); + else + sm_dprintf("ldapmap_start(%s, %d)\n", id, + lmap->ldap_port); + } + + if (lmap->ldap_uri != NULL) + { +#if SM_CONF_LDAP_INITIALIZE + /* LDAP server supports URIs so use them directly */ + save_errno = ldap_initialize(&ld, lmap->ldap_uri); +#else /* SM_CONF_LDAP_INITIALIZE */ + int err; + LDAPURLDesc *ludp = NULL; + + /* Blast apart URL and use the ldap_init/ldap_open below */ + err = ldap_url_parse(lmap->ldap_uri, &ludp); + if (err != 0) + { + errno = err + E_LDAPURLBASE; + return false; + } + lmap->ldap_host = sm_strdup_x(ludp->lud_host); + if (lmap->ldap_host == NULL) + { + save_errno = errno; + ldap_free_urldesc(ludp); + errno = save_errno; + return false; + } + lmap->ldap_port = ludp->lud_port; + ldap_free_urldesc(ludp); +#endif /* SM_CONF_LDAP_INITIALIZE */ + } + + if (ld == NULL) + { +# if USE_LDAP_INIT + ld = ldap_init(lmap->ldap_host, lmap->ldap_port); + save_errno = errno; +# else /* USE_LDAP_INIT */ + /* + ** If using ldap_open(), the actual connection to the server + ** happens now so we need the timeout here. For ldap_init(), + ** the connection happens at bind time. + */ + + SM_LDAP_SETTIMEOUT(lmap->ldap_timeout.tv_sec); + ld = ldap_open(lmap->ldap_host, lmap->ldap_port); + save_errno = errno; + + /* clear the event if it has not sprung */ + SM_LDAP_CLEARTIMEOUT(); +# endif /* USE_LDAP_INIT */ + } + + errno = save_errno; + if (ld == NULL) + return false; + + sm_ldap_setopts(ld, lmap); + +# if USE_LDAP_INIT + /* + ** If using ldap_init(), the actual connection to the server + ** happens at ldap_bind_s() so we need the timeout here. + */ + + SM_LDAP_SETTIMEOUT(lmap->ldap_timeout.tv_sec); +# endif /* USE_LDAP_INIT */ + +# ifdef LDAP_AUTH_KRBV4 + if (lmap->ldap_method == LDAP_AUTH_KRBV4 && + lmap->ldap_secret != NULL) + { + /* + ** Need to put ticket in environment here instead of + ** during parseargs as there may be different tickets + ** for different LDAP connections. + */ + + (void) putenv(lmap->ldap_secret); + } +# endif /* LDAP_AUTH_KRBV4 */ + + bind_result = ldap_bind_s(ld, lmap->ldap_binddn, + lmap->ldap_secret, lmap->ldap_method); + +# if USE_LDAP_INIT + /* clear the event if it has not sprung */ + SM_LDAP_CLEARTIMEOUT(); +# endif /* USE_LDAP_INIT */ + + if (bind_result != LDAP_SUCCESS) + { + errno = bind_result + E_LDAPBASE; + return false; + } + + /* Save PID to make sure only this PID closes the LDAP connection */ + lmap->ldap_pid = getpid(); + lmap->ldap_ld = ld; + return true; +} + +/* ARGSUSED */ +static void +ldaptimeout(unused) + int unused; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(LDAPTimeout, 1); +} + +/* +** SM_LDAP_SEARCH -- initiate LDAP search +** +** Initiate an LDAP search, return the msgid. +** The calling function must collect the results. +** +** Parameters: +** lmap -- LDAP map information +** key -- key to substitute in LDAP filter +** +** Returns: +** -1 on failure, msgid on success +** +*/ + +int +sm_ldap_search(lmap, key) + SM_LDAP_STRUCT *lmap; + char *key; +{ + int msgid; + char *fp, *p, *q; + char filter[LDAPMAP_MAX_FILTER + 1]; + + /* substitute key into filter, perhaps multiple times */ + memset(filter, '\0', sizeof filter); + fp = filter; + p = lmap->ldap_filter; + while ((q = strchr(p, '%')) != NULL) + { + if (q[1] == 's') + { + (void) sm_snprintf(fp, SPACELEFT(filter, fp), + "%.*s%s", (int) (q - p), p, key); + fp += strlen(fp); + p = q + 2; + } + else if (q[1] == '0') + { + char *k = key; + + (void) sm_snprintf(fp, SPACELEFT(filter, fp), + "%.*s", (int) (q - p), p); + fp += strlen(fp); + p = q + 2; + + /* Properly escape LDAP special characters */ + while (SPACELEFT(filter, fp) > 0 && + *k != '\0') + { + if (*k == '*' || *k == '(' || + *k == ')' || *k == '\\') + { + (void) sm_strlcat(fp, + (*k == '*' ? "\\2A" : + (*k == '(' ? "\\28" : + (*k == ')' ? "\\29" : + (*k == '\\' ? "\\5C" : + "\00")))), + SPACELEFT(filter, fp)); + fp += strlen(fp); + k++; + } + else + *fp++ = *k++; + } + } + else + { + (void) sm_snprintf(fp, SPACELEFT(filter, fp), + "%.*s", (int) (q - p + 1), p); + p = q + (q[1] == '%' ? 2 : 1); + fp += strlen(fp); + } + } + (void) sm_strlcpy(fp, p, SPACELEFT(filter, fp)); + if (sm_debug_active(&SmLDAPTrace, 20)) + sm_dprintf("ldap search filter=%s\n", filter); + + lmap->ldap_res = NULL; + msgid = ldap_search(lmap->ldap_ld, lmap->ldap_base, + lmap->ldap_scope, filter, + (lmap->ldap_attr[0] == NULL ? NULL : + lmap->ldap_attr), + lmap->ldap_attrsonly); + return msgid; +} + +/* +** SM_LDAP_HAS_OBJECTCLASS -- determine if an LDAP entry is part of a +** particular objectClass +** +** Parameters: +** lmap -- pointer to SM_LDAP_STRUCT in use +** entry -- current LDAP entry struct +** ocvalue -- particular objectclass in question. +** may be of form (fee|foo|fum) meaning +** any entry can be part of either fee, +** foo or fum objectclass +** +** Returns: +** true if item has that objectClass +*/ + +static bool +sm_ldap_has_objectclass(lmap, entry, ocvalue) + SM_LDAP_STRUCT *lmap; + LDAPMessage *entry; + char *ocvalue; +{ + char **vals = NULL; + int i; + + if (ocvalue == NULL) + return false; + + vals = ldap_get_values(lmap->ldap_ld, entry, "objectClass"); + if (vals == NULL) + return false; + + for (i = 0; vals[i] != NULL; i++) + { + char *p; + char *q; + + p = q = ocvalue; + while (*p != '\0') + { + while (*p != '\0' && *p != '|') + p++; + + if ((p - q) == strlen(vals[i]) && + sm_strncasecmp(vals[i], q, p - q) == 0) + { + ldap_value_free(vals); + return true; + } + + while (*p == '|') + p++; + q = p; + } + } + + ldap_value_free(vals); + return false; +} + +/* +** SM_LDAP_RESULTS -- return results from an LDAP lookup in result +** +** Parameters: +** lmap -- pointer to SM_LDAP_STRUCT in use +** msgid -- msgid returned by sm_ldap_search() +** flags -- flags for the lookup +** delim -- delimiter for result concatenation +** rpool -- memory pool for storage +** result -- return string +** recurse -- recursion list +** +** Returns: +** status (sysexit) +*/ + +# define SM_LDAP_ERROR_CLEANUP() \ +{ \ + if (lmap->ldap_res != NULL) \ + { \ + ldap_msgfree(lmap->ldap_res); \ + lmap->ldap_res = NULL; \ + } \ + (void) ldap_abandon(lmap->ldap_ld, msgid); \ +} + +static SM_LDAP_RECURSE_ENTRY * +sm_ldap_add_recurse(top, item, type, rpool) + SM_LDAP_RECURSE_LIST **top; + char *item; + int type; + SM_RPOOL_T *rpool; +{ + int n; + int m; + int p; + int insertat; + int moveb; + int oldsizeb; + int rc; + SM_LDAP_RECURSE_ENTRY *newe; + SM_LDAP_RECURSE_ENTRY **olddata; + + /* + ** This code will maintain a list of + ** SM_LDAP_RECURSE_ENTRY structures + ** in ascending order. + */ + + if (*top == NULL) + { + /* Allocate an initial SM_LDAP_RECURSE_LIST struct */ + *top = sm_rpool_malloc_x(rpool, sizeof **top); + (*top)->lr_cnt = 0; + (*top)->lr_size = 0; + (*top)->lr_data = NULL; + } + + if ((*top)->lr_cnt >= (*top)->lr_size) + { + /* Grow the list of SM_LDAP_RECURSE_ENTRY ptrs */ + olddata = (*top)->lr_data; + if ((*top)->lr_size == 0) + { + oldsizeb = 0; + (*top)->lr_size = 256; + } + else + { + oldsizeb = (*top)->lr_size * sizeof *((*top)->lr_data); + (*top)->lr_size *= 2; + } + (*top)->lr_data = sm_rpool_malloc_x(rpool, + (*top)->lr_size * sizeof *((*top)->lr_data)); + if (oldsizeb > 0) + memcpy((*top)->lr_data, olddata, oldsizeb); + } + + /* + ** Binary search/insert item:type into list. + ** Return current entry pointer if already exists. + */ + + n = 0; + m = (*top)->lr_cnt - 1; + if (m < 0) + insertat = 0; + else + insertat = -1; + + while (insertat == -1) + { + p = (m + n) / 2; + + rc = sm_strcasecmp(item, (*top)->lr_data[p]->lr_search); + if (rc == 0) + rc = type - (*top)->lr_data[p]->lr_type; + + if (rc < 0) + m = p - 1; + else if (rc > 0) + n = p + 1; + else + return (*top)->lr_data[p]; + + if (m == -1) + insertat = 0; + else if (n >= (*top)->lr_cnt) + insertat = (*top)->lr_cnt; + else if (m < n) + insertat = m + 1; + } + + /* + ** Not found in list, make room + ** at insert point and add it. + */ + + newe = sm_rpool_malloc_x(rpool, sizeof *newe); + if (newe != NULL) + { + moveb = ((*top)->lr_cnt - insertat) * sizeof *((*top)->lr_data); + if (moveb > 0) + memmove(&((*top)->lr_data[insertat + 1]), + &((*top)->lr_data[insertat]), + moveb); + + newe->lr_search = sm_rpool_strdup_x(rpool, item); + newe->lr_type = type; + newe->lr_ludp = NULL; + newe->lr_attrs = NULL; + newe->lr_done = false; + + ((*top)->lr_data)[insertat] = newe; + (*top)->lr_cnt++; + } + return newe; +} + +int +sm_ldap_results(lmap, msgid, flags, delim, rpool, result, + resultln, resultsz, recurse) + SM_LDAP_STRUCT *lmap; + int msgid; + int flags; + int delim; + SM_RPOOL_T *rpool; + char **result; + int *resultln; + int *resultsz; + SM_LDAP_RECURSE_LIST *recurse; +{ + bool toplevel; + int i; + int statp; + int vsize; + int ret; + int save_errno; + char *p; + SM_LDAP_RECURSE_ENTRY *rl; + + /* Are we the top top level of the search? */ + toplevel = (recurse == NULL); + + /* Get results */ + statp = EX_NOTFOUND; + while ((ret = ldap_result(lmap->ldap_ld, msgid, 0, + (lmap->ldap_timeout.tv_sec == 0 ? NULL : + &(lmap->ldap_timeout)), + &(lmap->ldap_res))) == LDAP_RES_SEARCH_ENTRY) + { + LDAPMessage *entry; + + /* If we don't want multiple values and we have one, break */ + if ((char) delim == '\0' && + !bitset(SM_LDAP_SINGLEMATCH, flags) && + *result != NULL) + break; + + /* Cycle through all entries */ + for (entry = ldap_first_entry(lmap->ldap_ld, lmap->ldap_res); + entry != NULL; + entry = ldap_next_entry(lmap->ldap_ld, lmap->ldap_res)) + { + BerElement *ber; + char *attr; + char **vals = NULL; + char *dn; + + /* + ** If matching only and found an entry, + ** no need to spin through attributes + */ + + if (bitset(SM_LDAP_MATCHONLY, flags)) + { + statp = EX_OK; + continue; + } + + /* record completed DN's to prevent loops */ + dn = ldap_get_dn(lmap->ldap_ld, entry); + if (dn == NULL) + { + save_errno = sm_ldap_geterrno(lmap->ldap_ld); + save_errno += E_LDAPBASE; + SM_LDAP_ERROR_CLEANUP(); + errno = save_errno; + return EX_TEMPFAIL; + } + + rl = sm_ldap_add_recurse(&recurse, dn, + SM_LDAP_ATTR_DN, + rpool); + + if (rl == NULL) + { + ldap_memfree(dn); + SM_LDAP_ERROR_CLEANUP(); + errno = ENOMEM; + return EX_OSERR; + } + else if (rl->lr_done) + { + /* already on list, skip it */ + ldap_memfree(dn); + continue; + } + ldap_memfree(dn); + +# if !defined(LDAP_VERSION_MAX) && !defined(LDAP_OPT_SIZELIMIT) + /* + ** Reset value to prevent lingering + ** LDAP_DECODING_ERROR due to + ** OpenLDAP 1.X's hack (see below) + */ + + lmap->ldap_ld->ld_errno = LDAP_SUCCESS; +# endif /* !defined(LDAP_VERSION_MAX) !defined(LDAP_OPT_SIZELIMIT) */ + + for (attr = ldap_first_attribute(lmap->ldap_ld, entry, + &ber); + attr != NULL; + attr = ldap_next_attribute(lmap->ldap_ld, entry, + ber)) + { + char *tmp, *vp_tmp; + int type; + char *needobjclass = NULL; + + type = SM_LDAP_ATTR_NONE; + for (i = 0; lmap->ldap_attr[i] != NULL; i++) + { + if (sm_strcasecmp(lmap->ldap_attr[i], + attr) == 0) + { + type = lmap->ldap_attr_type[i]; + needobjclass = lmap->ldap_attr_needobjclass[i]; + break; + } + } + + if (bitset(SM_LDAP_USE_ALLATTR, flags) && + type == SM_LDAP_ATTR_NONE) + { + /* URL lookups specify attrs to use */ + type = SM_LDAP_ATTR_NORMAL; + needobjclass = NULL; + } + + if (type == SM_LDAP_ATTR_NONE) + { + /* attribute not requested */ + ldap_memfree(attr); + SM_LDAP_ERROR_CLEANUP(); + errno = EFAULT; + return EX_SOFTWARE; + } + + /* + ** For recursion on a particular attribute, + ** we may need to see if this entry is + ** part of a particular objectclass. + ** Also, ignore objectClass attribute. + ** Otherwise we just ignore this attribute. + */ + + if (type == SM_LDAP_ATTR_OBJCLASS || + (needobjclass != NULL && + !sm_ldap_has_objectclass(lmap, entry, + needobjclass))) + { + ldap_memfree(attr); + continue; + } + + if (lmap->ldap_attrsonly == LDAPMAP_FALSE) + { + vals = ldap_get_values(lmap->ldap_ld, + entry, + attr); + if (vals == NULL) + { + save_errno = sm_ldap_geterrno(lmap->ldap_ld); + if (save_errno == LDAP_SUCCESS) + { + ldap_memfree(attr); + continue; + } + + /* Must be an error */ + save_errno += E_LDAPBASE; + ldap_memfree(attr); + SM_LDAP_ERROR_CLEANUP(); + errno = save_errno; + return EX_TEMPFAIL; + } + } + + statp = EX_OK; + +# if !defined(LDAP_VERSION_MAX) && !defined(LDAP_OPT_SIZELIMIT) + /* + ** Reset value to prevent lingering + ** LDAP_DECODING_ERROR due to + ** OpenLDAP 1.X's hack (see below) + */ + + lmap->ldap_ld->ld_errno = LDAP_SUCCESS; +# endif /* !defined(LDAP_VERSION_MAX) !defined(LDAP_OPT_SIZELIMIT) */ + + /* + ** If matching only, + ** no need to spin through entries + */ + + if (bitset(SM_LDAP_MATCHONLY, flags)) + { + if (lmap->ldap_attrsonly == LDAPMAP_FALSE) + ldap_value_free(vals); + ldap_memfree(attr); + continue; + } + + /* + ** If we don't want multiple values, + ** return first found. + */ + + if ((char) delim == '\0') + { + if (*result != NULL) + { + /* already have a value */ + if (bitset(SM_LDAP_SINGLEMATCH, + flags)) + { + /* only wanted one match */ + SM_LDAP_ERROR_CLEANUP(); + errno = ENOENT; + return EX_NOTFOUND; + } + break; + } + + if (lmap->ldap_attrsonly == LDAPMAP_TRUE) + { + *result = sm_rpool_strdup_x(rpool, + attr); + ldap_memfree(attr); + break; + } + + if (vals[0] == NULL) + { + ldap_value_free(vals); + ldap_memfree(attr); + continue; + } + + vsize = strlen(vals[0]) + 1; + if (lmap->ldap_attrsep != '\0') + vsize += strlen(attr) + 1; + *result = sm_rpool_malloc_x(rpool, + vsize); + if (lmap->ldap_attrsep != '\0') + sm_snprintf(*result, vsize, + "%s%c%s", + attr, + lmap->ldap_attrsep, + vals[0]); + else + sm_strlcpy(*result, vals[0], + vsize); + ldap_value_free(vals); + ldap_memfree(attr); + break; + } + + /* attributes only */ + if (lmap->ldap_attrsonly == LDAPMAP_TRUE) + { + if (*result == NULL) + *result = sm_rpool_strdup_x(rpool, + attr); + else + { + if (bitset(SM_LDAP_SINGLEMATCH, + flags) && + *result != NULL) + { + /* only wanted one match */ + SM_LDAP_ERROR_CLEANUP(); + errno = ENOENT; + return EX_NOTFOUND; + } + + vsize = strlen(*result) + + strlen(attr) + 2; + tmp = sm_rpool_malloc_x(rpool, + vsize); + (void) sm_snprintf(tmp, + vsize, "%s%c%s", + *result, (char) delim, + attr); + *result = tmp; + } + ldap_memfree(attr); + continue; + } + + /* + ** If there is more than one, munge then + ** into a map_coldelim separated string. + ** If we are recursing we may have an entry + ** with no 'normal' values to put in the + ** string. + ** This is not an error. + */ + + if (type == SM_LDAP_ATTR_NORMAL && + bitset(SM_LDAP_SINGLEMATCH, flags) && + *result != NULL) + { + /* only wanted one match */ + SM_LDAP_ERROR_CLEANUP(); + errno = ENOENT; + return EX_NOTFOUND; + } + + vsize = 0; + for (i = 0; vals[i] != NULL; i++) + { + if (type == SM_LDAP_ATTR_DN || + type == SM_LDAP_ATTR_FILTER || + type == SM_LDAP_ATTR_URL) + { + /* add to recursion */ + if (sm_ldap_add_recurse(&recurse, + vals[i], + type, + rpool) == NULL) + { + SM_LDAP_ERROR_CLEANUP(); + errno = ENOMEM; + return EX_OSERR; + } + continue; + } + + vsize += strlen(vals[i]) + 1; + if (lmap->ldap_attrsep != '\0') + vsize += strlen(attr) + 1; + } + + /* + ** Create/Append to string any normal + ** attribute values. Otherwise, just free + ** memory and move on to the next + ** attribute in this entry. + */ + + if (type == SM_LDAP_ATTR_NORMAL && vsize > 0) + { + char *pe; + + /* Grow result string if needed */ + if ((*resultln + vsize) >= *resultsz) + { + while ((*resultln + vsize) >= *resultsz) + { + if (*resultsz == 0) + *resultsz = 1024; + else + *resultsz *= 2; + } + + vp_tmp = sm_rpool_malloc_x(rpool, *resultsz); + *vp_tmp = '\0'; + + if (*result != NULL) + sm_strlcpy(vp_tmp, + *result, + *resultsz); + *result = vp_tmp; + } + + p = *result + *resultln; + pe = *result + *resultsz; + + for (i = 0; vals[i] != NULL; i++) + { + if (*resultln > 0 && + p < pe) + *p++ = (char) delim; + + if (lmap->ldap_attrsep != '\0') + { + p += sm_strlcpy(p, attr, + pe - p); + if (p < pe) + *p++ = lmap->ldap_attrsep; + } + + p += sm_strlcpy(p, vals[i], + pe - p); + *resultln = p - (*result); + if (p >= pe) + { + /* Internal error: buffer too small for LDAP values */ + SM_LDAP_ERROR_CLEANUP(); + errno = ENOMEM; + return EX_OSERR; + } + } + } + + ldap_value_free(vals); + ldap_memfree(attr); + } + save_errno = sm_ldap_geterrno(lmap->ldap_ld); + + /* + ** We check save_errno != LDAP_DECODING_ERROR since + ** OpenLDAP 1.X has a very ugly *undocumented* + ** hack of returning this error code from + ** ldap_next_attribute() if the library freed the + ** ber attribute. See: + ** http://www.openldap.org/lists/openldap-devel/9901/msg00064.html + */ + + if (save_errno != LDAP_SUCCESS && + save_errno != LDAP_DECODING_ERROR) + { + /* Must be an error */ + save_errno += E_LDAPBASE; + SM_LDAP_ERROR_CLEANUP(); + errno = save_errno; + return EX_TEMPFAIL; + } + + /* mark this DN as done */ + rl->lr_done = true; + if (rl->lr_ludp != NULL) + { + ldap_free_urldesc(rl->lr_ludp); + rl->lr_ludp = NULL; + } + if (rl->lr_attrs != NULL) + { + free(rl->lr_attrs); + rl->lr_attrs = NULL; + } + + /* We don't want multiple values and we have one */ + if ((char) delim == '\0' && + !bitset(SM_LDAP_SINGLEMATCH, flags) && + *result != NULL) + break; + } + save_errno = sm_ldap_geterrno(lmap->ldap_ld); + if (save_errno != LDAP_SUCCESS && + save_errno != LDAP_DECODING_ERROR) + { + /* Must be an error */ + save_errno += E_LDAPBASE; + SM_LDAP_ERROR_CLEANUP(); + errno = save_errno; + return EX_TEMPFAIL; + } + ldap_msgfree(lmap->ldap_res); + lmap->ldap_res = NULL; + } + + if (ret == 0) + save_errno = ETIMEDOUT; + else + save_errno = sm_ldap_geterrno(lmap->ldap_ld); + if (save_errno != LDAP_SUCCESS) + { + statp = EX_TEMPFAIL; + if (ret != 0) + { + switch (save_errno) + { +#ifdef LDAP_SERVER_DOWN + case LDAP_SERVER_DOWN: +#endif /* LDAP_SERVER_DOWN */ + case LDAP_TIMEOUT: + case LDAP_UNAVAILABLE: + + /* + ** server disappeared, + ** try reopen on next search + */ + + statp = EX_RESTART; + break; + } + save_errno += E_LDAPBASE; + } + SM_LDAP_ERROR_CLEANUP(); + errno = save_errno; + return statp; + } + + if (lmap->ldap_res != NULL) + { + ldap_msgfree(lmap->ldap_res); + lmap->ldap_res = NULL; + } + + if (toplevel) + { + int rlidx; + + /* + ** Spin through the built-up recurse list at the top + ** of the recursion. Since new items are added at the + ** end of the shared list, we actually only ever get + ** one level of recursion before things pop back to the + ** top. Any items added to the list during that recursion + ** will be expanded by the top level. + */ + + for (rlidx = 0; recurse != NULL && rlidx < recurse->lr_cnt; rlidx++) + { + int newflags; + int sid; + int status; + + rl = recurse->lr_data[rlidx]; + + newflags = flags; + if (rl->lr_done) + { + /* already expanded */ + continue; + } + + if (rl->lr_type == SM_LDAP_ATTR_DN) + { + /* do DN search */ + sid = ldap_search(lmap->ldap_ld, + rl->lr_search, + lmap->ldap_scope, + "(objectClass=*)", + (lmap->ldap_attr[0] == NULL ? + NULL : lmap->ldap_attr), + lmap->ldap_attrsonly); + } + else if (rl->lr_type == SM_LDAP_ATTR_FILTER) + { + /* do new search */ + sid = ldap_search(lmap->ldap_ld, + lmap->ldap_base, + lmap->ldap_scope, + rl->lr_search, + (lmap->ldap_attr[0] == NULL ? + NULL : lmap->ldap_attr), + lmap->ldap_attrsonly); + } + else if (rl->lr_type == SM_LDAP_ATTR_URL) + { + /* Parse URL */ + sid = ldap_url_parse(rl->lr_search, + &rl->lr_ludp); + + if (sid != 0) + { + errno = sid + E_LDAPURLBASE; + return EX_TEMPFAIL; + } + + /* We need to add objectClass */ + if (rl->lr_ludp->lud_attrs != NULL) + { + int attrnum = 0; + + while (rl->lr_ludp->lud_attrs[attrnum] != NULL) + { + if (strcasecmp(rl->lr_ludp->lud_attrs[attrnum], + "objectClass") == 0) + { + /* already requested */ + attrnum = -1; + break; + } + attrnum++; + } + + if (attrnum >= 0) + { + int i; + + rl->lr_attrs = (char **)malloc(sizeof(char *) * (attrnum + 2)); + if (rl->lr_attrs == NULL) + { + save_errno = errno; + ldap_free_urldesc(rl->lr_ludp); + errno = save_errno; + return EX_TEMPFAIL; + } + for (i = 0 ; i < attrnum; i++) + { + rl->lr_attrs[i] = rl->lr_ludp->lud_attrs[i]; + } + rl->lr_attrs[i++] = "objectClass"; + rl->lr_attrs[i++] = NULL; + } + } + + /* + ** Use the existing connection + ** for this search. It really + ** should use lud_scheme://lud_host:lud_port/ + ** instead but that would require + ** opening a new connection. + ** This should be fixed ASAP. + */ + + sid = ldap_search(lmap->ldap_ld, + rl->lr_ludp->lud_dn, + rl->lr_ludp->lud_scope, + rl->lr_ludp->lud_filter, + rl->lr_attrs, + lmap->ldap_attrsonly); + + /* Use the attributes specified by URL */ + newflags |= SM_LDAP_USE_ALLATTR; + } + else + { + /* unknown or illegal attribute type */ + errno = EFAULT; + return EX_SOFTWARE; + } + + /* Collect results */ + if (sid == -1) + { + save_errno = sm_ldap_geterrno(lmap->ldap_ld); + statp = EX_TEMPFAIL; + switch (save_errno) + { +#ifdef LDAP_SERVER_DOWN + case LDAP_SERVER_DOWN: +#endif /* LDAP_SERVER_DOWN */ + case LDAP_TIMEOUT: + case LDAP_UNAVAILABLE: + + /* + ** server disappeared, + ** try reopen on next search + */ + + statp = EX_RESTART; + break; + } + errno = save_errno + E_LDAPBASE; + return statp; + } + + status = sm_ldap_results(lmap, sid, newflags, delim, + rpool, result, resultln, + resultsz, recurse); + save_errno = errno; + if (status != EX_OK && status != EX_NOTFOUND) + { + errno = save_errno; + return status; + } + + /* Mark as done */ + rl->lr_done = true; + if (rl->lr_ludp != NULL) + { + ldap_free_urldesc(rl->lr_ludp); + rl->lr_ludp = NULL; + } + if (rl->lr_attrs != NULL) + { + free(rl->lr_attrs); + rl->lr_attrs = NULL; + } + + /* Reset rlidx as new items may have been added */ + rlidx = -1; + } + } + return statp; +} + +/* +** SM_LDAP_CLOSE -- close LDAP connection +** +** Parameters: +** lmap -- LDAP map information +** +** Returns: +** None. +** +*/ + +void +sm_ldap_close(lmap) + SM_LDAP_STRUCT *lmap; +{ + if (lmap->ldap_ld == NULL) + return; + + if (lmap->ldap_pid == getpid()) + ldap_unbind(lmap->ldap_ld); + lmap->ldap_ld = NULL; + lmap->ldap_pid = 0; +} + +/* +** SM_LDAP_SETOPTS -- set LDAP options +** +** Parameters: +** ld -- LDAP session handle +** lmap -- LDAP map information +** +** Returns: +** None. +** +*/ + +void +sm_ldap_setopts(ld, lmap) + LDAP *ld; + SM_LDAP_STRUCT *lmap; +{ +# if USE_LDAP_SET_OPTION + if (lmap->ldap_version != 0) + { + ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, + &lmap->ldap_version); + } + ldap_set_option(ld, LDAP_OPT_DEREF, &lmap->ldap_deref); + if (bitset(LDAP_OPT_REFERRALS, lmap->ldap_options)) + ldap_set_option(ld, LDAP_OPT_REFERRALS, LDAP_OPT_ON); + else + ldap_set_option(ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF); + ldap_set_option(ld, LDAP_OPT_SIZELIMIT, &lmap->ldap_sizelimit); + ldap_set_option(ld, LDAP_OPT_TIMELIMIT, &lmap->ldap_timelimit); +# ifdef LDAP_OPT_RESTART + ldap_set_option(ld, LDAP_OPT_RESTART, LDAP_OPT_ON); +# endif /* LDAP_OPT_RESTART */ +# else /* USE_LDAP_SET_OPTION */ + /* From here on in we can use ldap internal timelimits */ + ld->ld_deref = lmap->ldap_deref; + ld->ld_options = lmap->ldap_options; + ld->ld_sizelimit = lmap->ldap_sizelimit; + ld->ld_timelimit = lmap->ldap_timelimit; +# endif /* USE_LDAP_SET_OPTION */ +} + +/* +** SM_LDAP_GETERRNO -- get ldap errno value +** +** Parameters: +** ld -- LDAP session handle +** +** Returns: +** LDAP errno. +** +*/ + +int +sm_ldap_geterrno(ld) + LDAP *ld; +{ + int err = LDAP_SUCCESS; + +# if defined(LDAP_VERSION_MAX) && LDAP_VERSION_MAX >= 3 + (void) ldap_get_option(ld, LDAP_OPT_ERROR_NUMBER, &err); +# else /* defined(LDAP_VERSION_MAX) && LDAP_VERSION_MAX >= 3 */ +# ifdef LDAP_OPT_SIZELIMIT + err = ldap_get_lderrno(ld, NULL, NULL); +# else /* LDAP_OPT_SIZELIMIT */ + err = ld->ld_errno; + + /* + ** Reset value to prevent lingering LDAP_DECODING_ERROR due to + ** OpenLDAP 1.X's hack (see above) + */ + + ld->ld_errno = LDAP_SUCCESS; +# endif /* LDAP_OPT_SIZELIMIT */ +# endif /* defined(LDAP_VERSION_MAX) && LDAP_VERSION_MAX >= 3 */ + return err; +} +# endif /* LDAPMAP */ diff --git a/contrib/sendmail-8.13.4/libsm/local.h b/contrib/sendmail-8.13.4/libsm/local.h new file mode 100644 index 0000000000..6d64195d51 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/local.h @@ -0,0 +1,328 @@ +/* + * Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: local.h,v 1.53 2004/01/09 18:34:22 ca Exp $ + */ + +/* +** Information local to this implementation of stdio, +** in particular, macros and private variables. +*/ + +#include +#if !SM_CONF_MEMCHR +# include +#endif /* !SM_CONF_MEMCHR */ +#include + +int sm_flush __P((SM_FILE_T *, int *)); +SM_FILE_T *smfp __P((void)); +int sm_refill __P((SM_FILE_T *, int)); +void sm_init __P((void)); +void sm_cleanup __P((void)); +void sm_makebuf __P((SM_FILE_T *)); +int sm_whatbuf __P((SM_FILE_T *, size_t *, int *)); +int sm_fwalk __P((int (*)(SM_FILE_T *, int *), int *)); +int sm_wsetup __P((SM_FILE_T *)); +int sm_flags __P((int)); +SM_FILE_T *sm_fp __P((const SM_FILE_T *, const int, SM_FILE_T *)); +int sm_vprintf __P((int, char const *, va_list)); + +/* std io functions */ +ssize_t sm_stdread __P((SM_FILE_T *, char *, size_t)); +ssize_t sm_stdwrite __P((SM_FILE_T *, char const *, size_t)); +off_t sm_stdseek __P((SM_FILE_T *, off_t, int)); +int sm_stdclose __P((SM_FILE_T *)); +int sm_stdopen __P((SM_FILE_T *, const void *, int, const void *)); +int sm_stdfdopen __P((SM_FILE_T *, const void *, int, const void *)); +int sm_stdsetinfo __P((SM_FILE_T *, int , void *)); +int sm_stdgetinfo __P((SM_FILE_T *, int , void *)); + +/* stdio io functions */ +ssize_t sm_stdioread __P((SM_FILE_T *, char *, size_t)); +ssize_t sm_stdiowrite __P((SM_FILE_T *, char const *, size_t)); +off_t sm_stdioseek __P((SM_FILE_T *, off_t, int)); +int sm_stdioclose __P((SM_FILE_T *)); +int sm_stdioopen __P((SM_FILE_T *, const void *, int, const void *)); +int sm_stdiosetinfo __P((SM_FILE_T *, int , void *)); +int sm_stdiogetinfo __P((SM_FILE_T *, int , void *)); + +/* string io functions */ +ssize_t sm_strread __P((SM_FILE_T *, char *, size_t)); +ssize_t sm_strwrite __P((SM_FILE_T *, char const *, size_t)); +off_t sm_strseek __P((SM_FILE_T *, off_t, int)); +int sm_strclose __P((SM_FILE_T *)); +int sm_stropen __P((SM_FILE_T *, const void *, int, const void *)); +int sm_strsetinfo __P((SM_FILE_T *, int , void *)); +int sm_strgetinfo __P((SM_FILE_T *, int , void *)); + +/* syslog io functions */ +ssize_t sm_syslogread __P((SM_FILE_T *, char *, size_t)); +ssize_t sm_syslogwrite __P((SM_FILE_T *, char const *, size_t)); +off_t sm_syslogseek __P((SM_FILE_T *, off_t, int)); +int sm_syslogclose __P((SM_FILE_T *)); +int sm_syslogopen __P((SM_FILE_T *, const void *, int, const void *)); +int sm_syslogsetinfo __P((SM_FILE_T *, int , void *)); +int sm_sysloggetinfo __P((SM_FILE_T *, int , void *)); + +/* should be defined in sys/time.h */ +#ifndef timersub +# define timersub(tvp, uvp, vvp) \ + do \ + { \ + (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) \ + { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ + } while (0) +#endif /* !timersub */ + +#ifndef timeradd +# define timeradd(tvp, uvp, vvp) \ + do \ + { \ + (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ + if ((vvp)->tv_usec >= 1000000) \ + { \ + (vvp)->tv_sec++; \ + (vvp)->tv_usec -= 1000000; \ + } \ + } while (0) +#endif /* !timeradd */ + +#ifndef timercmp +# define timercmp(tvp, uvp, cmp) \ + (((tvp)->tv_sec == (uvp)->tv_sec) ? \ + ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ + ((tvp)->tv_sec cmp (uvp)->tv_sec)) +#endif /* !timercmp */ + +extern bool Sm_IO_DidInit; + +/* Return true iff the given SM_FILE_T cannot be written now. */ +#define cantwrite(fp) \ + ((((fp)->f_flags & SMWR) == 0 || (fp)->f_bf.smb_base == NULL) && \ + sm_wsetup(fp)) + +/* +** Test whether the given stdio file has an active ungetc buffer; +** release such a buffer, without restoring ordinary unread data. +*/ + +#define HASUB(fp) ((fp)->f_ub.smb_base != NULL) +#define FREEUB(fp) \ +{ \ + if ((fp)->f_ub.smb_base != (fp)->f_ubuf) \ + sm_free((char *)(fp)->f_ub.smb_base); \ + (fp)->f_ub.smb_base = NULL; \ +} + +extern const char SmFileMagic[]; + +#define SM_ALIGN(p) (((unsigned long)(p) + SM_ALIGN_BITS) & ~SM_ALIGN_BITS) + +#define sm_io_flockfile(fp) ((void) 0) +#define sm_io_funlockfile(fp) ((void) 0) + +#ifndef FDSET_CAST +# define FDSET_CAST /* empty cast for fd_set arg to select */ +#endif + +/* +** SM_CONVERT_TIME -- convert the API timeout flag for select() usage. +** +** This takes a 'fp' (a file type pointer) and obtains the "raw" +** file descriptor (fd) if possible. The 'fd' is needed to possibly +** switch the mode of the file (blocking/non-blocking) to match +** the type of timeout. If timeout is SM_TIME_FOREVER then the +** timeout using select won't be needed and the file is best placed +** in blocking mode. If there is to be a finite timeout then the file +** is best placed in non-blocking mode. Then, if not enough can be +** written, select() can be used to test when something can be written +** yet still timeout if the wait is too long. +** If the mode is already in the correct state we don't change it. +** Iff (yes "iff") the 'fd' is "-1" in value then the mode change +** will not happen. This situation arises when a late-binding-to-disk +** file type is in use. An example of this is the sendmail buffered +** file type (in sendmail/bf.c). +** +** Parameters +** fp -- the file pointer the timeout is for +** fd -- to become the file descriptor value from 'fp' +** val -- the timeout value to be converted +** time -- a struct timeval holding the converted value +** +** Returns +** nothing, this is flow-through code +** +** Side Effects: +** May or may not change the mode of a currently open file. +** The file mode may be changed to O_NONBLOCK or ~O_NONBLOCK +** (meaning block). This is done to best match the type of +** timeout and for (possible) use with select(). +*/ + +# define SM_CONVERT_TIME(fp, fd, val, time) { \ + if (((fd) = sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL)) == -1) \ + { \ + /* can't get an fd, likely internal 'fake' fp */ \ + errno = 0; \ + } \ + if ((val) == SM_TIME_DEFAULT) \ + (val) = (fp)->f_timeout; \ + if ((val) == SM_TIME_IMMEDIATE || (val) == SM_TIME_FOREVER) \ + { \ + (time)->tv_sec = 0; \ + (time)->tv_usec = 0; \ + } \ + else \ + { \ + (time)->tv_sec = (val) / 1000; \ + (time)->tv_usec = ((val) - ((time)->tv_sec * 1000)) * 10; \ + } \ + if ((val) == SM_TIME_FOREVER) \ + { \ + if ((fp)->f_timeoutstate == SM_TIME_NONBLOCK && (fd) != -1) \ + { \ + int ret; \ + ret = fcntl((fd), F_GETFL, 0); \ + if (ret == -1 || fcntl((fd), F_SETFL, \ + ret & ~O_NONBLOCK) == -1) \ + { \ + /* errno should be set */ \ + return SM_IO_EOF; \ + } \ + (fp)->f_timeoutstate = SM_TIME_BLOCK; \ + if ((fp)->f_modefp != NULL) \ + (fp)->f_modefp->f_timeoutstate = SM_TIME_BLOCK; \ + } \ + } \ + else { \ + if ((fp)->f_timeoutstate == SM_TIME_BLOCK && (fd) != -1) \ + { \ + int ret; \ + ret = fcntl((fd), F_GETFL, 0); \ + if (ret == -1 || fcntl((fd), F_SETFL, \ + ret | O_NONBLOCK) == -1) \ + { \ + /* errno should be set */ \ + return SM_IO_EOF; \ + } \ + (fp)->f_timeoutstate = SM_TIME_NONBLOCK; \ + if ((fp)->f_modefp != NULL) \ + (fp)->f_modefp->f_timeoutstate = SM_TIME_NONBLOCK; \ + } \ + } \ +} + +/* +** SM_IO_WR_TIMEOUT -- setup the timeout for the write +** +** This #define uses a select() to wait for the 'fd' to become writable. +** The select() can be active for up to 'to' time. The select may not +** use all of the the 'to' time. Hence, the amount of "wall-clock" time is +** measured to decide how much to subtract from 'to' to update it. On some +** BSD-based/like systems the timeout for a select is updated for the +** amount of time used. On many/most systems this does not happen. Therefore +** the updating of 'to' must be done ourselves; a copy of 'to' is passed +** since a BSD-like system will have updated it and we don't want to +** double the time used! +** Note: if a valid 'fd' doesn't exist yet, don't use this (e.g. the +** sendmail buffered file type in sendmail/bf.c; see fvwrite.c). +** +** Parameters +** fd -- a file descriptor for doing select() with +** timeout -- the original user set value. +** +** Returns +** nothing, this is flow through code +** +** Side Effects: +** adjusts 'timeout' for time used +*/ + +#define SM_IO_WR_TIMEOUT(fp, fd, to) { \ + struct timeval sm_io_to_before, sm_io_to_after, sm_io_to_diff; \ + struct timeval sm_io_to; \ + int sm_io_to_sel; \ + fd_set sm_io_to_mask, sm_io_x_mask; \ + errno = 0; \ + if ((to) == SM_TIME_DEFAULT) \ + (to) = (fp)->f_timeout; \ + if ((to) == SM_TIME_IMMEDIATE) \ + { \ + errno = EAGAIN; \ + return SM_IO_EOF; \ + } \ + else if ((to) == SM_TIME_FOREVER) \ + { \ + errno = EINVAL; \ + return SM_IO_EOF; \ + } \ + else \ + { \ + sm_io_to.tv_sec = (to) / 1000; \ + sm_io_to.tv_usec = ((to) - (sm_io_to.tv_sec * 1000)) * 10; \ + } \ + if (FD_SETSIZE > 0 && (fd) >= FD_SETSIZE) \ + { \ + errno = EINVAL; \ + return SM_IO_EOF; \ + } \ + FD_ZERO(&sm_io_to_mask); \ + FD_SET((fd), &sm_io_to_mask); \ + FD_ZERO(&sm_io_x_mask); \ + FD_SET((fd), &sm_io_x_mask); \ + if (gettimeofday(&sm_io_to_before, NULL) < 0) \ + return SM_IO_EOF; \ + sm_io_to_sel = select((fd) + 1, NULL, &sm_io_to_mask, &sm_io_x_mask, \ + &sm_io_to); \ + if (sm_io_to_sel < 0) \ + { \ + /* something went wrong, errno set */ \ + return SM_IO_EOF; \ + } \ + else if (sm_io_to_sel == 0) \ + { \ + /* timeout */ \ + errno = EAGAIN; \ + return SM_IO_EOF; \ + } \ + /* else loop again */ \ + if (gettimeofday(&sm_io_to_after, NULL) < 0) \ + return SM_IO_EOF; \ + timersub(&sm_io_to_before, &sm_io_to_after, &sm_io_to_diff); \ + timersub(&sm_io_to, &sm_io_to_diff, &sm_io_to); \ + (to) -= (sm_io_to.tv_sec * 1000); \ + (to) -= (sm_io_to.tv_usec / 10); \ + if ((to) < 0) \ + (to) = 0; \ +} + +/* +** If there is no 'fd' just error (we can't timeout). If the timeout +** is SM_TIME_FOREVER then there is no need to do a timeout with +** select since this will be a real error. If the error is not +** EAGAIN/EWOULDBLOCK (from a nonblocking) then it's a real error. +** Specify the condition here as macro so it can be used in several places. +*/ + +#define IS_IO_ERROR(fd, ret, to) \ + ((fd) < 0 || \ + ((ret) < 0 && errno != EAGAIN && errno != EWOULDBLOCK) || \ + (to) == SM_TIME_FOREVER) + diff --git a/contrib/sendmail-8.13.4/libsm/makebuf.c b/contrib/sendmail-8.13.4/libsm/makebuf.c new file mode 100644 index 0000000000..044de8c36f --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/makebuf.c @@ -0,0 +1,154 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: makebuf.c,v 1.26 2001/10/31 16:04:08 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +/* +** SM_MAKEBUF -- make a buffer for the file +** +** Parameters: +** fp -- the file to be buffered +** +** Returns: +** nothing +** +** Allocate a file buffer, or switch to unbuffered I/O. +** By default tty devices default to line buffered. +*/ + +void +sm_makebuf(fp) + register SM_FILE_T *fp; +{ + register void *p; + register int flags; + size_t size; + int couldbetty; + + if (fp->f_flags & SMNBF) + { + fp->f_bf.smb_base = fp->f_p = fp->f_nbuf; + fp->f_bf.smb_size = 1; + return; + } + flags = sm_whatbuf(fp, &size, &couldbetty); + if ((p = sm_malloc(size)) == NULL) + { + fp->f_flags |= SMNBF; + fp->f_bf.smb_base = fp->f_p = fp->f_nbuf; + fp->f_bf.smb_size = 1; + return; + } + if (!Sm_IO_DidInit) + sm_init(); + flags |= SMMBF; + fp->f_bf.smb_base = fp->f_p = p; + fp->f_bf.smb_size = size; + if (couldbetty && isatty(fp->f_file)) + flags |= SMLBF; + fp->f_flags |= flags; +} + +/* +** SM_WHATBUF -- determine proper buffer for a file (internal) +** +** Plus it fills in 'bufsize' for recommended buffer size and +** fills in flag to indicate if 'fp' could be a tty (nothing +** to do with "betty" :-) ). +** +** Parameters: +** fp -- file pointer to be buffered +** bufsize -- new buffer size (a return) +** couldbetty -- could be a tty (returns) +** +** Returns: +** Success: +** on error: +** SMNPT -- not seek opimized +** SMOPT -- seek opimized +*/ + +int +sm_whatbuf(fp, bufsize, couldbetty) + register SM_FILE_T *fp; + size_t *bufsize; + int *couldbetty; +{ + struct stat st; + + if (fp->f_file < 0 || fstat(fp->f_file, &st) < 0) + { + *couldbetty = 0; + *bufsize = SM_IO_BUFSIZ; + return SMNPT; + } + + /* could be a tty iff it is a character device */ + *couldbetty = S_ISCHR(st.st_mode); + if (st.st_blksize == 0) + { + *bufsize = SM_IO_BUFSIZ; + return SMNPT; + } + +#if SM_IO_MAX_BUF_FILE > 0 + if (S_ISREG(st.st_mode) && st.st_blksize > SM_IO_MAX_BUF_FILE) + st.st_blksize = SM_IO_MAX_BUF_FILE; +#endif /* SM_IO_MAX_BUF_FILE > 0 */ + +#if SM_IO_MAX_BUF > 0 || SM_IO_MIN_BUF > 0 + if (!S_ISREG(st.st_mode)) + { +# if SM_IO_MAX_BUF > 0 + if (st.st_blksize > SM_IO_MAX_BUF) + st.st_blksize = SM_IO_MAX_BUF; +# if SM_IO_MIN_BUF > 0 + else +# endif /* SM_IO_MIN_BUF > 0 */ +# endif /* SM_IO_MAX_BUF > 0 */ +# if SM_IO_MIN_BUF > 0 + if (st.st_blksize < SM_IO_MIN_BUF) + st.st_blksize = SM_IO_MIN_BUF; +# endif /* SM_IO_MIN_BUF > 0 */ + } +#endif /* SM_IO_MAX_BUF > 0 || SM_IO_MIN_BUF > 0 */ + + /* + ** Optimise fseek() only if it is a regular file. (The test for + ** sm_std_seek is mainly paranoia.) It is safe to set _blksize + ** unconditionally; it will only be used if SMOPT is also set. + */ + + if ((fp->f_flags & SMSTR) == 0) + { + *bufsize = st.st_blksize; + fp->f_blksize = st.st_blksize; + } + else + *bufsize = SM_IO_BUFSIZ; + if ((st.st_mode & S_IFMT) == S_IFREG && + fp->f_seek == sm_stdseek) + return SMOPT; + else + return SMNPT; +} diff --git a/contrib/sendmail-8.13.4/libsm/match.c b/contrib/sendmail-8.13.4/libsm/match.c new file mode 100644 index 0000000000..e42b865a39 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/match.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: match.c,v 1.10 2001/09/11 04:04:48 gshapiro Exp $") + +#include + +/* +** SM_MATCH -- Match a character string against a glob pattern. +** +** Parameters: +** str -- string. +** par -- pattern to find in str. +** +** Returns: +** true on match, false on non-match. +** +** A pattern consists of normal characters, which match themselves, +** and meta-sequences. A * matches any sequence of characters. +** A ? matches any single character. A [ introduces a character class. +** A ] marks the end of a character class; if the ] is missing then +** the [ matches itself rather than introducing a character class. +** A character class matches any of the characters between the brackets. +** The range of characters from X to Y inclusive is written X-Y. +** If the first character after the [ is ! then the character class is +** complemented. +** +** To include a ] in a character class, make it the first character +** listed (after the !, if any). To include a -, make it the first +** character listed (after the !, if any) or the last character. +** It is impossible for a ] to be the final character in a range. +** For glob patterns that literally match "*", "?" or "[", +** use [*], [?] or [[]. +*/ + +bool +sm_match(str, pat) + const char *str; + const char *pat; +{ + bool ccnot, ccmatch, ccfirst; + const char *ccstart; + char c, c2; + + for (;;) + { + switch (*pat) + { + case '\0': + return *str == '\0'; + case '?': + if (*str == '\0') + return false; + ++pat; + ++str; + continue; + case '*': + ++pat; + if (*pat == '\0') + { + /* optimize case of trailing '*' */ + return true; + } + for (;;) + { + if (sm_match(pat, str)) + return true; + if (*str == '\0') + return false; + ++str; + } + /* NOTREACHED */ + case '[': + ccstart = pat++; + ccnot = false; + if (*pat == '!') + { + ccnot = true; + ++pat; + } + ccmatch = false; + ccfirst = true; + for (;;) + { + if (*pat == '\0') + { + pat = ccstart; + goto defl; + } + if (*pat == ']' && !ccfirst) + break; + c = *pat++; + ccfirst = false; + if (*pat == '-' && pat[1] != ']') + { + ++pat; + if (*pat == '\0') + { + pat = ccstart; + goto defl; + } + c2 = *pat++; + if (*str >= c && *str <= c2) + ccmatch = true; + } + else + { + if (*str == c) + ccmatch = true; + } + } + if (ccmatch ^ ccnot) + { + ++pat; + ++str; + } + else + return false; + continue; + default: + defl: + if (*pat != *str) + return false; + ++pat; + ++str; + continue; + } + } +} diff --git a/contrib/sendmail-8.13.4/libsm/mbdb.c b/contrib/sendmail-8.13.4/libsm/mbdb.c new file mode 100644 index 0000000000..ad0e7ccbd1 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/mbdb.c @@ -0,0 +1,774 @@ +/* + * Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: mbdb.c,v 1.40 2003/12/10 03:19:07 gshapiro Exp $") + +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +# ifdef EX_OK +# undef EX_OK /* for SVr4.2 SMP */ +# endif /* EX_OK */ +#include + +#if LDAPMAP +# if _LDAP_EXAMPLE_ +# include +# endif /* _LDAP_EXAMPLE_ */ +#endif /* LDAPMAP */ + +typedef struct +{ + char *mbdb_typename; + int (*mbdb_initialize) __P((char *)); + int (*mbdb_lookup) __P((char *name, SM_MBDB_T *user)); + void (*mbdb_terminate) __P((void)); +} SM_MBDB_TYPE_T; + +static int mbdb_pw_initialize __P((char *)); +static int mbdb_pw_lookup __P((char *name, SM_MBDB_T *user)); +static void mbdb_pw_terminate __P((void)); + +#if LDAPMAP +# if _LDAP_EXAMPLE_ +static struct sm_ldap_struct LDAPLMAP; +static int mbdb_ldap_initialize __P((char *)); +static int mbdb_ldap_lookup __P((char *name, SM_MBDB_T *user)); +static void mbdb_ldap_terminate __P((void)); +# endif /* _LDAP_EXAMPLE_ */ +#endif /* LDAPMAP */ + +static SM_MBDB_TYPE_T SmMbdbTypes[] = +{ + { "pw", mbdb_pw_initialize, mbdb_pw_lookup, mbdb_pw_terminate }, +#if LDAPMAP +# if _LDAP_EXAMPLE_ + { "ldap", mbdb_ldap_initialize, mbdb_ldap_lookup, mbdb_ldap_terminate }, +# endif /* _LDAP_EXAMPLE_ */ +#endif /* LDAPMAP */ + { NULL, NULL, NULL, NULL } +}; + +static SM_MBDB_TYPE_T *SmMbdbType = &SmMbdbTypes[0]; + +/* +** SM_MBDB_INITIALIZE -- specify which mailbox database to use +** +** If this function is not called, then the "pw" implementation +** is used by default; this implementation uses getpwnam(). +** +** Parameters: +** mbdb -- Which mailbox database to use. +** The argument has the form "name" or "name.arg". +** "pw" means use getpwnam(). +** +** Results: +** EX_OK on success, or an EX_* code on failure. +*/ + +int +sm_mbdb_initialize(mbdb) + char *mbdb; +{ + size_t namelen; + int err; + char *name; + char *arg; + SM_MBDB_TYPE_T *t; + + SM_REQUIRE(mbdb != NULL); + + name = mbdb; + arg = strchr(mbdb, '.'); + if (arg == NULL) + namelen = strlen(name); + else + { + namelen = arg - name; + ++arg; + } + + for (t = SmMbdbTypes; t->mbdb_typename != NULL; ++t) + { + if (strlen(t->mbdb_typename) == namelen && + strncmp(name, t->mbdb_typename, namelen) == 0) + { + err = EX_OK; + if (t->mbdb_initialize != NULL) + err = t->mbdb_initialize(arg); + if (err == EX_OK) + SmMbdbType = t; + return err; + } + } + return EX_UNAVAILABLE; +} + +/* +** SM_MBDB_TERMINATE -- terminate connection to the mailbox database +** +** Because this function closes any cached file descriptors that +** are being held open for the connection to the mailbox database, +** it should be called for security reasons prior to dropping privileges +** and execing another process. +** +** Parameters: +** none. +** +** Results: +** none. +*/ + +void +sm_mbdb_terminate() +{ + if (SmMbdbType->mbdb_terminate != NULL) + SmMbdbType->mbdb_terminate(); +} + +/* +** SM_MBDB_LOOKUP -- look up a local mail recipient, given name +** +** Parameters: +** name -- name of local mail recipient +** user -- pointer to structure to fill in on success +** +** Results: +** On success, fill in *user and return EX_OK. +** If the user does not exist, return EX_NOUSER. +** If a temporary failure (eg, a network failure) occurred, +** return EX_TEMPFAIL. Otherwise return EX_OSERR. +*/ + +int +sm_mbdb_lookup(name, user) + char *name; + SM_MBDB_T *user; +{ + int ret = EX_NOUSER; + + if (SmMbdbType->mbdb_lookup != NULL) + ret = SmMbdbType->mbdb_lookup(name, user); + return ret; +} + +/* +** SM_MBDB_FROMPW -- copy from struct pw to SM_MBDB_T +** +** Parameters: +** user -- destination user information structure +** pw -- source passwd structure +** +** Results: +** none. +*/ + +void +sm_mbdb_frompw(user, pw) + SM_MBDB_T *user; + struct passwd *pw; +{ + SM_REQUIRE(user != NULL); + (void) sm_strlcpy(user->mbdb_name, pw->pw_name, + sizeof(user->mbdb_name)); + user->mbdb_uid = pw->pw_uid; + user->mbdb_gid = pw->pw_gid; + sm_pwfullname(pw->pw_gecos, pw->pw_name, user->mbdb_fullname, + sizeof(user->mbdb_fullname)); + (void) sm_strlcpy(user->mbdb_homedir, pw->pw_dir, + sizeof(user->mbdb_homedir)); + (void) sm_strlcpy(user->mbdb_shell, pw->pw_shell, + sizeof(user->mbdb_shell)); +} + +/* +** SM_PWFULLNAME -- build full name of user from pw_gecos field. +** +** This routine interprets the strange entry that would appear +** in the GECOS field of the password file. +** +** Parameters: +** gecos -- name to build. +** user -- the login name of this user (for &). +** buf -- place to put the result. +** buflen -- length of buf. +** +** Returns: +** none. +*/ + +#if _FFR_HANDLE_ISO8859_GECOS +static char Latin1ToASCII[128] = +{ + 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 33, + 99, 80, 36, 89, 124, 36, 34, 99, 97, 60, 45, 45, 114, 45, 111, 42, + 50, 51, 39, 117, 80, 46, 44, 49, 111, 62, 42, 42, 42, 63, 65, 65, + 65, 65, 65, 65, 65, 67, 69, 69, 69, 69, 73, 73, 73, 73, 68, 78, 79, + 79, 79, 79, 79, 88, 79, 85, 85, 85, 85, 89, 80, 66, 97, 97, 97, 97, + 97, 97, 97, 99, 101, 101, 101, 101, 105, 105, 105, 105, 100, 110, + 111, 111, 111, 111, 111, 47, 111, 117, 117, 117, 117, 121, 112, 121 +}; +#endif /* _FFR_HANDLE_ISO8859_GECOS */ + +void +sm_pwfullname(gecos, user, buf, buflen) + register char *gecos; + char *user; + char *buf; + size_t buflen; +{ + register char *p; + register char *bp = buf; + + if (*gecos == '*') + gecos++; + + /* copy gecos, interpolating & to be full name */ + for (p = gecos; *p != '\0' && *p != ',' && *p != ';' && *p != '%'; p++) + { + if (bp >= &buf[buflen - 1]) + { + /* buffer overflow -- just use login name */ + (void) sm_strlcpy(buf, user, buflen); + return; + } + if (*p == '&') + { + /* interpolate full name */ + (void) sm_strlcpy(bp, user, buflen - (bp - buf)); + *bp = toupper(*bp); + bp += strlen(bp); + } + else + { +#if _FFR_HANDLE_ISO8859_GECOS + if ((unsigned char) *p >= 128) + *bp++ = Latin1ToASCII[(unsigned char) *p - 128]; + else +#endif /* _FFR_HANDLE_ISO8859_GECOS */ + *bp++ = *p; + } + } + *bp = '\0'; +} + +/* +** /etc/passwd implementation. +*/ + +/* +** MBDB_PW_INITIALIZE -- initialize getpwnam() version +** +** Parameters: +** arg -- unused. +** +** Results: +** EX_OK. +*/ + +/* ARGSUSED0 */ +static int +mbdb_pw_initialize(arg) + char *arg; +{ + return EX_OK; +} + +/* +** MBDB_PW_LOOKUP -- look up a local mail recipient, given name +** +** Parameters: +** name -- name of local mail recipient +** user -- pointer to structure to fill in on success +** +** Results: +** On success, fill in *user and return EX_OK. +** Failure: EX_NOUSER. +*/ + +static int +mbdb_pw_lookup(name, user) + char *name; + SM_MBDB_T *user; +{ + struct passwd *pw; + +#ifdef HESIOD + /* DEC Hesiod getpwnam accepts numeric strings -- short circuit it */ + { + char *p; + + for (p = name; *p != '\0'; p++) + if (!isascii(*p) || !isdigit(*p)) + break; + if (*p == '\0') + return EX_NOUSER; + } +#endif /* HESIOD */ + + errno = 0; + pw = getpwnam(name); + if (pw == NULL) + { +#if 0 + /* + ** getpwnam() isn't advertised as setting errno. + ** In fact, under FreeBSD, non-root getpwnam() on + ** non-existant users returns NULL with errno = EPERM. + ** This test won't work. + */ + switch (errno) + { + case 0: + return EX_NOUSER; + case EIO: + return EX_OSERR; + default: + return EX_TEMPFAIL; + } +#endif /* 0 */ + return EX_NOUSER; + } + + sm_mbdb_frompw(user, pw); + return EX_OK; +} + +/* +** MBDB_PW_TERMINATE -- terminate connection to the mailbox database +** +** Parameters: +** none. +** +** Results: +** none. +*/ + +static void +mbdb_pw_terminate() +{ + endpwent(); +} + +#if LDAPMAP +# if _LDAP_EXAMPLE_ +/* +** LDAP example implementation based on RFC 2307, "An Approach for Using +** LDAP as a Network Information Service": +** +** ( nisSchema.1.0 NAME 'uidNumber' +** DESC 'An integer uniquely identifying a user in an +** administrative domain' +** EQUALITY integerMatch SYNTAX 'INTEGER' SINGLE-VALUE ) +** +** ( nisSchema.1.1 NAME 'gidNumber' +** DESC 'An integer uniquely identifying a group in an +** administrative domain' +** EQUALITY integerMatch SYNTAX 'INTEGER' SINGLE-VALUE ) +** +** ( nisSchema.1.2 NAME 'gecos' +** DESC 'The GECOS field; the common name' +** EQUALITY caseIgnoreIA5Match +** SUBSTRINGS caseIgnoreIA5SubstringsMatch +** SYNTAX 'IA5String' SINGLE-VALUE ) +** +** ( nisSchema.1.3 NAME 'homeDirectory' +** DESC 'The absolute path to the home directory' +** EQUALITY caseExactIA5Match +** SYNTAX 'IA5String' SINGLE-VALUE ) +** +** ( nisSchema.1.4 NAME 'loginShell' +** DESC 'The path to the login shell' +** EQUALITY caseExactIA5Match +** SYNTAX 'IA5String' SINGLE-VALUE ) +** +** ( nisSchema.2.0 NAME 'posixAccount' SUP top AUXILIARY +** DESC 'Abstraction of an account with POSIX attributes' +** MUST ( cn $ uid $ uidNumber $ gidNumber $ homeDirectory ) +** MAY ( userPassword $ loginShell $ gecos $ description ) ) +** +*/ + +# define MBDB_LDAP_LABEL "MailboxDatabase" + +# ifndef MBDB_LDAP_FILTER +# define MBDB_LDAP_FILTER "(&(objectClass=posixAccount)(uid=%0))" +# endif /* MBDB_LDAP_FILTER */ + +# ifndef MBDB_DEFAULT_LDAP_BASEDN +# define MBDB_DEFAULT_LDAP_BASEDN NULL +# endif /* MBDB_DEFAULT_LDAP_BASEDN */ + +# ifndef MBDB_DEFAULT_LDAP_SERVER +# define MBDB_DEFAULT_LDAP_SERVER NULL +# endif /* MBDB_DEFAULT_LDAP_SERVER */ + +/* +** MBDB_LDAP_INITIALIZE -- initialize LDAP version +** +** Parameters: +** arg -- LDAP specification +** +** Results: +** EX_OK on success, or an EX_* code on failure. +*/ + +static int +mbdb_ldap_initialize(arg) + char *arg; +{ + sm_ldap_clear(&LDAPLMAP); + LDAPLMAP.ldap_base = MBDB_DEFAULT_LDAP_BASEDN; + LDAPLMAP.ldap_host = MBDB_DEFAULT_LDAP_SERVER; + LDAPLMAP.ldap_filter = MBDB_LDAP_FILTER; + + /* Only want one match */ + LDAPLMAP.ldap_sizelimit = 1; + + /* interpolate new ldap_base and ldap_host from arg if given */ + if (arg != NULL && *arg != '\0') + { + char *new; + char *sep; + size_t len; + + len = strlen(arg) + 1; + new = sm_malloc(len); + if (new == NULL) + return EX_TEMPFAIL; + (void) sm_strlcpy(new, arg, len); + sep = strrchr(new, '@'); + if (sep != NULL) + { + *sep++ = '\0'; + LDAPLMAP.ldap_host = sep; + } + LDAPLMAP.ldap_base = new; + } + return EX_OK; +} + + +/* +** MBDB_LDAP_LOOKUP -- look up a local mail recipient, given name +** +** Parameters: +** name -- name of local mail recipient +** user -- pointer to structure to fill in on success +** +** Results: +** On success, fill in *user and return EX_OK. +** Failure: EX_NOUSER. +*/ + +#define NEED_FULLNAME 0x01 +#define NEED_HOMEDIR 0x02 +#define NEED_SHELL 0x04 +#define NEED_UID 0x08 +#define NEED_GID 0x10 + +static int +mbdb_ldap_lookup(name, user) + char *name; + SM_MBDB_T *user; +{ + int msgid; + int need; + int ret; + int save_errno; + LDAPMessage *entry; + BerElement *ber; + char *attr = NULL; + + if (strlen(name) >= sizeof(user->mbdb_name)) + { + errno = EINVAL; + return EX_NOUSER; + } + + if (LDAPLMAP.ldap_filter == NULL) + { + /* map not initialized, but don't have arg here */ + errno = EFAULT; + return EX_TEMPFAIL; + } + + if (LDAPLMAP.ldap_pid != getpid()) + { + /* re-open map in this child process */ + LDAPLMAP.ldap_ld = NULL; + } + + if (LDAPLMAP.ldap_ld == NULL) + { + /* map not open, try to open now */ + if (!sm_ldap_start(MBDB_LDAP_LABEL, &LDAPLMAP)) + return EX_TEMPFAIL; + } + + sm_ldap_setopts(LDAPLMAP.ldap_ld, &LDAPLMAP); + msgid = sm_ldap_search(&LDAPLMAP, name); + if (msgid == -1) + { + save_errno = sm_ldap_geterrno(LDAPLMAP.ldap_ld) + E_LDAPBASE; +# ifdef LDAP_SERVER_DOWN + if (errno == LDAP_SERVER_DOWN) + { + /* server disappeared, try reopen on next search */ + sm_ldap_close(&LDAPLMAP); + } +# endif /* LDAP_SERVER_DOWN */ + errno = save_errno; + return EX_TEMPFAIL; + } + + /* Get results */ + ret = ldap_result(LDAPLMAP.ldap_ld, msgid, 1, + (LDAPLMAP.ldap_timeout.tv_sec == 0 ? NULL : + &(LDAPLMAP.ldap_timeout)), + &(LDAPLMAP.ldap_res)); + + if (ret != LDAP_RES_SEARCH_RESULT && + ret != LDAP_RES_SEARCH_ENTRY) + { + if (ret == 0) + errno = ETIMEDOUT; + else + errno = sm_ldap_geterrno(LDAPLMAP.ldap_ld); + ret = EX_TEMPFAIL; + goto abort; + } + + entry = ldap_first_entry(LDAPLMAP.ldap_ld, LDAPLMAP.ldap_res); + if (entry == NULL) + { + save_errno = sm_ldap_geterrno(LDAPLMAP.ldap_ld); + if (save_errno == LDAP_SUCCESS) + { + errno = ENOENT; + ret = EX_NOUSER; + } + else + { + errno = save_errno; + ret = EX_TEMPFAIL; + } + goto abort; + } + +# if !defined(LDAP_VERSION_MAX) && !defined(LDAP_OPT_SIZELIMIT) + /* + ** Reset value to prevent lingering + ** LDAP_DECODING_ERROR due to + ** OpenLDAP 1.X's hack (see below) + */ + + LDAPLMAP.ldap_ld->ld_errno = LDAP_SUCCESS; +# endif /* !defined(LDAP_VERSION_MAX) !defined(LDAP_OPT_SIZELIMIT) */ + + ret = EX_OK; + need = NEED_FULLNAME|NEED_HOMEDIR|NEED_SHELL|NEED_UID|NEED_GID; + for (attr = ldap_first_attribute(LDAPLMAP.ldap_ld, entry, &ber); + attr != NULL; + attr = ldap_next_attribute(LDAPLMAP.ldap_ld, entry, ber)) + { + char **vals; + + vals = ldap_get_values(LDAPLMAP.ldap_ld, entry, attr); + if (vals == NULL) + { + errno = sm_ldap_geterrno(LDAPLMAP.ldap_ld); + if (errno == LDAP_SUCCESS) + { + ldap_memfree(attr); + continue; + } + + /* Must be an error */ + errno += E_LDAPBASE; + ret = EX_TEMPFAIL; + goto abort; + } + +# if !defined(LDAP_VERSION_MAX) && !defined(LDAP_OPT_SIZELIMIT) + /* + ** Reset value to prevent lingering + ** LDAP_DECODING_ERROR due to + ** OpenLDAP 1.X's hack (see below) + */ + + LDAPLMAP.ldap_ld->ld_errno = LDAP_SUCCESS; +# endif /* !defined(LDAP_VERSION_MAX) !defined(LDAP_OPT_SIZELIMIT) */ + + if (vals[0] == NULL || vals[0][0] == '\0') + goto skip; + + if (strcasecmp(attr, "gecos") == 0) + { + if (!bitset(NEED_FULLNAME, need) || + strlen(vals[0]) >= sizeof(user->mbdb_fullname)) + goto skip; + + sm_pwfullname(vals[0], name, user->mbdb_fullname, + sizeof(user->mbdb_fullname)); + need &= ~NEED_FULLNAME; + } + else if (strcasecmp(attr, "homeDirectory") == 0) + { + if (!bitset(NEED_HOMEDIR, need) || + strlen(vals[0]) >= sizeof(user->mbdb_homedir)) + goto skip; + + (void) sm_strlcpy(user->mbdb_homedir, vals[0], + sizeof(user->mbdb_homedir)); + need &= ~NEED_HOMEDIR; + } + else if (strcasecmp(attr, "loginShell") == 0) + { + if (!bitset(NEED_SHELL, need) || + strlen(vals[0]) >= sizeof(user->mbdb_shell)) + goto skip; + + (void) sm_strlcpy(user->mbdb_shell, vals[0], + sizeof(user->mbdb_shell)); + need &= ~NEED_SHELL; + } + else if (strcasecmp(attr, "uidNumber") == 0) + { + char *p; + + if (!bitset(NEED_UID, need)) + goto skip; + + for (p = vals[0]; *p != '\0'; p++) + { + /* allow negative numbers */ + if (p == vals[0] && *p == '-') + { + /* but not simply '-' */ + if (*(p + 1) == '\0') + goto skip; + } + else if (!isascii(*p) || !isdigit(*p)) + goto skip; + } + user->mbdb_uid = atoi(vals[0]); + need &= ~NEED_UID; + } + else if (strcasecmp(attr, "gidNumber") == 0) + { + char *p; + + if (!bitset(NEED_GID, need)) + goto skip; + + for (p = vals[0]; *p != '\0'; p++) + { + /* allow negative numbers */ + if (p == vals[0] && *p == '-') + { + /* but not simply '-' */ + if (*(p + 1) == '\0') + goto skip; + } + else if (!isascii(*p) || !isdigit(*p)) + goto skip; + } + user->mbdb_gid = atoi(vals[0]); + need &= ~NEED_GID; + } + +skip: + ldap_value_free(vals); + ldap_memfree(attr); + } + + errno = sm_ldap_geterrno(LDAPLMAP.ldap_ld); + + /* + ** We check errno != LDAP_DECODING_ERROR since + ** OpenLDAP 1.X has a very ugly *undocumented* + ** hack of returning this error code from + ** ldap_next_attribute() if the library freed the + ** ber attribute. See: + ** http://www.openldap.org/lists/openldap-devel/9901/msg00064.html + */ + + if (errno != LDAP_SUCCESS && + errno != LDAP_DECODING_ERROR) + { + /* Must be an error */ + errno += E_LDAPBASE; + ret = EX_TEMPFAIL; + goto abort; + } + + abort: + save_errno = errno; + if (attr != NULL) + { + ldap_memfree(attr); + attr = NULL; + } + if (LDAPLMAP.ldap_res != NULL) + { + ldap_msgfree(LDAPLMAP.ldap_res); + LDAPLMAP.ldap_res = NULL; + } + if (ret == EX_OK) + { + if (need == 0) + { + (void) sm_strlcpy(user->mbdb_name, name, + sizeof(user->mbdb_name)); + save_errno = 0; + } + else + { + ret = EX_NOUSER; + save_errno = EINVAL; + } + } + errno = save_errno; + return ret; +} + +/* +** MBDB_LDAP_TERMINATE -- terminate connection to the mailbox database +** +** Parameters: +** none. +** +** Results: +** none. +*/ + +static void +mbdb_ldap_terminate() +{ + sm_ldap_close(&LDAPLMAP); +} +# endif /* _LDAP_EXAMPLE_ */ +#endif /* LDAPMAP */ diff --git a/contrib/sendmail-8.13.4/libsm/mpeix.c b/contrib/sendmail-8.13.4/libsm/mpeix.c new file mode 100644 index 0000000000..6d9fedcdf6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/mpeix.c @@ -0,0 +1,646 @@ +/* + * Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: mpeix.c,v 1.6 2002/05/24 20:50:14 gshapiro Exp $") + +#ifdef MPE +/* +** MPE lacks many common functions required across all sendmail programs +** so we define implementations for these functions here. +*/ + +# include +# include +# include +# include +# include +# include +# include +# include +# include +# include + +/* +** CHROOT -- dummy chroot() function +** +** The MPE documentation for sendmail says that chroot-based +** functionality is not implemented because MPE lacks chroot. But +** rather than mucking around with all the sendmail calls to chroot, +** we define this dummy function to return an ENOSYS failure just in +** case a sendmail user attempts to enable chroot-based functionality. +** +** Parameters: +** path -- pathname of new root (ignored). +** +** Returns: +** -1 and errno == ENOSYS (function not implemented) +*/ + +int +chroot(path) + char *path; +{ + errno = ENOSYS; + return -1; +} + +/* +** ENDPWENT -- dummy endpwent() function +** +** Parameters: +** none +** +** Returns: +** none +*/ + +void +endpwent() +{ + return; +} + +/* +** In addition to missing functions, certain existing MPE functions have +** slightly different semantics (or bugs) compared to normal Unix OSes. +** +** Here we define wrappers for these functions to make them behave in the +** manner expected by sendmail. +*/ + +/* +** SENDMAIL_MPE_BIND -- shadow function for the standard socket bind() +** +** MPE requires GETPRIVMODE() for AF_INET sockets less than port 1024. +** +** Parameters: +** sd -- socket descriptor. +** addr -- socket address. +** addrlen -- length of socket address. +** +** Results: +** 0 -- success +** != 0 -- failure +*/ + +#undef bind +int +sendmail_mpe_bind(sd, addr, addrlen) + int sd; + void *addr; + int addrlen; +{ + bool priv = false; + int result; + extern void GETPRIVMODE __P((void)); + extern void GETUSERMODE __P((void)); + + if (addrlen == sizeof(struct sockaddr_in) && + ((struct sockaddr_in *)addr)->sin_family == AF_INET) + { + /* AF_INET */ + if (((struct sockaddr_in *)addr)->sin_port > 0 && + ((struct sockaddr_in *)addr)->sin_port < 1024) + { + priv = true; + GETPRIVMODE(); + } + ((struct sockaddr_in *)addr)->sin_addr.s_addr = 0; + result = bind(sd, addr, addrlen); + if (priv) + GETUSERMODE(); + return result; + } + + /* AF_UNIX */ + return bind(sd, addr, addrlen); +} + +/* +** SENDMAIL_MPE__EXIT -- wait for children to terminate, then _exit() +** +** Child processes cannot survive the death of their parent on MPE, so +** we must call wait() before _exit() in order to prevent this +** infanticide. +** +** Parameters: +** status -- _exit status value. +** +** Returns: +** none. +*/ + +#undef _exit +void +sendmail_mpe__exit(status) + int status; +{ + int result; + + /* Wait for all children to terminate. */ + do + { + result = wait(NULL); + } while (result > 0 || errno == EINTR); + _exit(status); +} + +/* +** SENDMAIL_MPE_EXIT -- wait for children to terminate, then exit() +** +** Child processes cannot survive the death of their parent on MPE, so +** we must call wait() before exit() in order to prevent this +** infanticide. +** +** Parameters: +** status -- exit status value. +** +** Returns: +** none. +*/ + +#undef exit +void +sendmail_mpe_exit(status) + int status; +{ + int result; + + /* Wait for all children to terminate. */ + do + { + result = wait(NULL); + } while (result > 0 || errno == EINTR); + exit(status); +} + +/* +** SENDMAIL_MPE_FCNTL -- shadow function for fcntl() +** +** MPE requires sfcntl() for sockets, and fcntl() for everything +** else. This shadow routine determines the descriptor type and +** makes the appropriate call. +** +** Parameters: +** same as fcntl(). +** +** Returns: +** same as fcntl(). +*/ + +#undef fcntl +int +sendmail_mpe_fcntl(int fildes, int cmd, ...) +{ + int len, result; + struct sockaddr sa; + + void *arg; + va_list ap; + + va_start(ap, cmd); + arg = va_arg(ap, void *); + va_end(ap); + + len = sizeof sa; + if (getsockname(fildes, &sa, &len) == -1) + { + if (errno == EAFNOSUPPORT) + { + /* AF_UNIX socket */ + return sfcntl(fildes, cmd, arg); + } + else if (errno == ENOTSOCK) + { + /* file or pipe */ + return fcntl(fildes, cmd, arg); + } + + /* unknown getsockname() failure */ + return (-1); + } + else + { + /* AF_INET socket */ + if ((result = sfcntl(fildes, cmd, arg)) != -1 && + cmd == F_GETFL) + result |= O_RDWR; /* fill in some missing flags */ + return result; + } +} + +/* +** SENDMAIL_MPE_GETPWNAM - shadow function for getpwnam() +** +** Several issues apply here: +** +** - MPE user names MUST have one '.' separator character +** - MPE user names MUST be in upper case +** - MPE does not initialize all fields in the passwd struct +** +** Parameters: +** name -- username string. +** +** Returns: +** pointer to struct passwd if found else NULL +*/ + +static char *sendmail_mpe_nullstr = ""; + +#undef getpwnam +extern struct passwd *getpwnam(const char *); + +struct passwd * +sendmail_mpe_getpwnam(name) + const char *name; +{ + int dots = 0; + int err; + int i = strlen(name); + char *upper; + struct passwd *result = NULL; + + if (i <= 0) + { + errno = EINVAL; + return result; + } + + if ((upper = (char *)malloc(i + 1)) != NULL) + { + /* upshift the username parameter and count the dots */ + while (i >= 0) + { + if (name[i] == '.') + { + dots++; + upper[i] = '.'; + } + else + upper[i] = toupper(name[i]); + i--; + } + + if (dots != 1) + { + /* prevent bug when dots == 0 */ + err = EINVAL; + } + else if ((result = getpwnam(upper)) != NULL) + { + /* init the uninitialized fields */ + result->pw_gecos = sendmail_mpe_nullstr; + result->pw_passwd = sendmail_mpe_nullstr; + result->pw_age = sendmail_mpe_nullstr; + result->pw_comment = sendmail_mpe_nullstr; + result->pw_audid = 0; + result->pw_audflg = 0; + } + err = errno; + free(upper); + } + errno = err; + return result; +} + +/* +** SENDMAIL_MPE_GETPWUID -- shadow function for getpwuid() +** +** Initializes the uninitalized fields in the passwd struct. +** +** Parameters: +** uid -- uid to obtain passwd data for +** +** Returns: +** pointer to struct passwd or NULL if not found +*/ + +#undef getpwuid +extern struct passwd *getpwuid __P((uid_t)); + +struct passwd * +sendmail_mpe_getpwuid(uid) + uid_t uid; +{ + struct passwd *result; + + if ((result = getpwuid(uid)) != NULL) + { + /* initialize the uninitialized fields */ + result->pw_gecos = sendmail_mpe_nullstr; + result->pw_passwd = sendmail_mpe_nullstr; + result->pw_age = sendmail_mpe_nullstr; + result->pw_comment = sendmail_mpe_nullstr; + result->pw_audid = 0; + result->pw_audflg = 0; + } + return result; +} + +/* +** OK boys and girls, time for some serious voodoo! +** +** MPE does not have a complete implementation of POSIX users and groups: +** +** - there is no uid 0 superuser +** - setuid/setgid file permission bits exist but have no-op functionality +** - setgid() exists, but only supports new gid == current gid (boring!) +** - setuid() forces a gid change to the new uid's primary (and only) gid +** +** ...all of which thoroughly annoys sendmail. +** +** So what to do? We can't go on an #ifdef MPE rampage throughout +** sendmail, because there are only about a zillion references to uid 0 +** and so success (and security) would probably be rather dubious by the +** time we finished. +** +** Instead we take the approach of defining wrapper functions for the +** gid/uid management functions getegid(), geteuid(), setgid(), and +** setuid() in order to implement the following model: +** +** - the sendmail program thinks it is a setuid-root (uid 0) program +** - uid 0 is recognized as being valid, but does not grant extra powers +** - MPE priv mode allows sendmail to call setuid(), not uid 0 +** - file access is still controlled by the real non-zero uid +** - the other programs (vacation, etc) have standard MPE POSIX behavior +** +** This emulation model is activated by use of the program file setgid and +** setuid mode bits which exist but are unused by MPE. If the setgid mode +** bit is on, then gid emulation will be enabled. If the setuid mode bit is +** on, then uid emulation will be enabled. So for the mail daemon, we need +** to do chmod u+s,g+s /SENDMAIL/CURRENT/SENDMAIL. +** +** The following flags determine the current emulation state: +** +** true == emulation enabled +** false == emulation disabled, use unmodified MPE semantics +*/ + +static bool sendmail_mpe_flaginit = false; +static bool sendmail_mpe_gidflag = false; +static bool sendmail_mpe_uidflag = false; + +/* +** SENDMAIL_MPE_GETMODE -- return the mode bits for the current process +** +** Parameters: +** none. +** +** Returns: +** file mode bits for the current process program file. +*/ + +mode_t +sendmail_mpe_getmode() +{ + int status = 666; + int myprogram_length; + int myprogram_syntax = 2; + char formaldesig[28]; + char myprogram[PATH_MAX + 2]; + char path[PATH_MAX + 1]; + struct stat st; + extern HPMYPROGRAM __P((int parms, char *formaldesig, int *status, + int *length, char *myprogram, + int *myprogram_length, int *myprogram_syntax)); + + myprogram_length = sizeof(myprogram); + HPMYPROGRAM(6, formaldesig, &status, NULL, myprogram, + &myprogram_length, &myprogram_syntax); + + /* should not occur, do not attempt emulation */ + if (status != 0) + return 0; + + memcpy(&path, &myprogram[1], myprogram_length - 2); + path[myprogram_length - 2] = '\0'; + + /* should not occur, do not attempt emulation */ + if (stat(path, &st) < 0) + return 0; + + return st.st_mode; +} + +/* +** SENDMAIL_MPE_EMULGID -- should we perform gid emulation? +** +** If !sendmail_mpe_flaginit then obtain the mode bits to determine +** if the setgid bit is on, we want gid emulation and so set +** sendmail_mpe_gidflag to true. Otherwise we do not want gid emulation +** and so set sendmail_mpe_gidflag to false. +** +** Parameters: +** none. +** +** Returns: +** true -- perform gid emulation +** false -- do not perform gid emulation +*/ + +bool +sendmail_mpe_emulgid() +{ + if (!sendmail_mpe_flaginit) + { + mode_t mode; + + mode = sendmail_mpe_getmode(); + sendmail_mpe_gidflag = ((mode & S_ISGID) == S_ISGID); + sendmail_mpe_uidflag = ((mode & S_ISUID) == S_ISUID); + sendmail_mpe_flaginit = true; + } + return sendmail_mpe_gidflag; +} + +/* +** SENDMAIL_MPE_EMULUID -- should we perform uid emulation? +** +** If sendmail_mpe_uidflag == -1 then obtain the mode bits to determine +** if the setuid bit is on, we want uid emulation and so set +** sendmail_mpe_uidflag to true. Otherwise we do not want uid emulation +** and so set sendmail_mpe_uidflag to false. +** +** Parameters: +** none. +** +** Returns: +** true -- perform uid emulation +** false -- do not perform uid emulation +*/ + +bool +sendmail_mpe_emuluid() +{ + if (!sendmail_mpe_flaginit) + { + mode_t mode; + + mode = sendmail_mpe_getmode(); + sendmail_mpe_gidflag = ((mode & S_ISGID) == S_ISGID); + sendmail_mpe_uidflag = ((mode & S_ISUID) == S_ISUID); + sendmail_mpe_flaginit = true; + } + return sendmail_mpe_uidflag; +} + +/* +** SENDMAIL_MPE_GETEGID -- shadow function for getegid() +** +** If emulation mode is in effect and the saved egid has been +** initialized, return the saved egid; otherwise return the value of the +** real getegid() function. +** +** Parameters: +** none. +** +** Returns: +** emulated egid if present, else true egid. +*/ + +static uid_t sendmail_mpe_egid = -1; + +#undef getegid +gid_t +sendmail_mpe_getegid() +{ + if (sendmail_mpe_emulgid() && sendmail_mpe_egid != -1) + return sendmail_mpe_egid; + return getegid(); +} + +/* +** SENDMAIL_MPE_GETEUID -- shadow function for geteuid() +** +** If emulation mode is in effect, return the saved euid; otherwise +** return the value of the real geteuid() function. +** +** Note that the initial value of the saved euid is zero, to simulate +** a setuid-root program. +** +** Parameters: +** none +** +** Returns: +** emulated euid if in emulation mode, else true euid. +*/ + +static uid_t sendmail_mpe_euid = 0; + +#undef geteuid +uid_t +sendmail_mpe_geteuid() +{ + if (sendmail_mpe_emuluid()) + return sendmail_mpe_euid; + return geteuid(); +} + +/* +** SENDMAIL_MPE_SETGID -- shadow function for setgid() +** +** Simulate a call to setgid() without actually calling the real +** function. Implement the expected uid 0 semantics. +** +** Note that sendmail will also be calling setuid() which will force an +** implicit real setgid() to the proper primary gid. So it doesn't matter +** that we don't actually alter the real gid in this shadow function. +** +** Parameters: +** gid -- desired gid. +** +** Returns: +** 0 -- emulated success +** -1 -- emulated failure +*/ + +#undef setgid +int +sendmail_mpe_setgid(gid) + gid_t gid; +{ + if (sendmail_mpe_emulgid()) + { + if (gid == getgid() || sendmail_mpe_euid == 0) + { + sendmail_mpe_egid = gid; + return 0; + } + errno = EINVAL; + return -1; + } + return setgid(gid); +} + +/* +** SENDMAIL_MPE_SETUID -- shadow function for setuid() +** +** setuid() is broken as of MPE 7.0 in that it changes the current +** working directory to be the home directory of the new uid. Thus +** we must obtain the cwd and restore it after the setuid(). +** +** Note that expected uid 0 semantics have been added, as well as +** remembering the new uid for later use by the other shadow functions. +** +** Parameters: +** uid -- desired uid. +** +** Returns: +** 0 -- success +** -1 -- failure +** +** Globals: +** sendmail_mpe_euid +*/ + +#undef setuid +int +sendmail_mpe_setuid(uid) + uid_t uid; +{ + char *cwd; + char cwd_buf[PATH_MAX + 1]; + int result; + extern void GETPRIVMODE __P((void)); + extern void GETUSERMODE __P((void)); + + if (sendmail_mpe_emuluid()) + { + if (uid == 0) + { + if (sendmail_mpe_euid != 0) + { + errno = EINVAL; + return -1; + } + sendmail_mpe_euid = 0; + return 0; + } + + /* Preserve the current working directory */ + if ((cwd = getcwd(cwd_buf, PATH_MAX + 1)) == NULL) + return -1; + + GETPRIVMODE(); + result = setuid(uid); + GETUSERMODE(); + + /* Restore the current working directory */ + chdir(cwd_buf); + + if (result == 0) + sendmail_mpe_euid = uid; + + return result; + } + return setuid(uid); +} +#endif /* MPE */ diff --git a/contrib/sendmail-8.13.4/libsm/niprop.c b/contrib/sendmail-8.13.4/libsm/niprop.c new file mode 100644 index 0000000000..ad58867cf0 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/niprop.c @@ -0,0 +1,213 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: niprop.c,v 1.8 2001/09/11 04:04:48 gshapiro Exp $") + +#if NETINFO +#include +#include +#include +#include +#include +#include +#include +#include + +/* +** NI_PROPVAL -- NetInfo property value lookup routine +** +** Parameters: +** keydir -- the NetInfo directory name in which to search +** for the key. +** keyprop -- the name of the property in which to find the +** property we are interested. Defaults to "name". +** keyval -- the value for which we are really searching. +** valprop -- the property name for the value in which we +** are interested. +** sepchar -- if non-nil, this can be multiple-valued, and +** we should return a string separated by this +** character. +** +** Returns: +** NULL -- if: +** 1. the directory is not found +** 2. the property name is not found +** 3. the property contains multiple values +** 4. some error occurred +** else -- the value of the lookup. +** +** Example: +** To search for an alias value, use: +** ni_propval("/aliases", "name", aliasname, "members", ',') +** +** Notes: +** Caller should free the return value of ni_proval +*/ + +# include + +# define LOCAL_NETINFO_DOMAIN "." +# define PARENT_NETINFO_DOMAIN ".." +# define MAX_NI_LEVELS 256 + +char * +ni_propval(keydir, keyprop, keyval, valprop, sepchar) + char *keydir; + char *keyprop; + char *keyval; + char *valprop; + int sepchar; +{ + char *propval = NULL; + int i; + int j, alen, l; + void *ni = NULL; + void *lastni = NULL; + ni_status nis; + ni_id nid; + ni_namelist ninl; + register char *p; + char keybuf[1024]; + + /* + ** Create the full key from the two parts. + ** + ** Note that directory can end with, e.g., "name=" to specify + ** an alternate search property. + */ + + i = strlen(keydir) + strlen(keyval) + 2; + if (keyprop != NULL) + i += strlen(keyprop) + 1; + if (i >= sizeof keybuf) + return NULL; + (void) sm_strlcpyn(keybuf, sizeof keybuf, 2, keydir, "/"); + if (keyprop != NULL) + { + (void) sm_strlcat2(keybuf, keyprop, "=", sizeof keybuf); + } + (void) sm_strlcat(keybuf, keyval, sizeof keybuf); + +#if 0 + if (tTd(38, 21)) + sm_dprintf("ni_propval(%s, %s, %s, %s, %d) keybuf='%s'\n", + keydir, keyprop, keyval, valprop, sepchar, keybuf); +#endif /* 0 */ + + /* + ** If the passed directory and property name are found + ** in one of netinfo domains we need to search (starting + ** from the local domain moving all the way back to the + ** root domain) set propval to the property's value + ** and return it. + */ + + for (i = 0; i < MAX_NI_LEVELS && propval == NULL; i++) + { + if (i == 0) + { + nis = ni_open(NULL, LOCAL_NETINFO_DOMAIN, &ni); +#if 0 + if (tTd(38, 20)) + sm_dprintf("ni_open(LOCAL) = %d\n", nis); +#endif /* 0 */ + } + else + { + if (lastni != NULL) + ni_free(lastni); + lastni = ni; + nis = ni_open(lastni, PARENT_NETINFO_DOMAIN, &ni); +#if 0 + if (tTd(38, 20)) + sm_dprintf("ni_open(PARENT) = %d\n", nis); +#endif /* 0 */ + } + + /* + ** Don't bother if we didn't get a handle on a + ** proper domain. This is not necessarily an error. + ** We would get a positive ni_status if, for instance + ** we never found the directory or property and tried + ** to open the parent of the root domain! + */ + + if (nis != 0) + break; + + /* + ** Find the path to the server information. + */ + + if (ni_pathsearch(ni, &nid, keybuf) != 0) + continue; + + /* + ** Find associated value information. + */ + + if (ni_lookupprop(ni, &nid, valprop, &ninl) != 0) + continue; + +#if 0 + if (tTd(38, 20)) + sm_dprintf("ni_lookupprop: len=%d\n", + ninl.ni_namelist_len); +#endif /* 0 */ + + /* + ** See if we have an acceptable number of values. + */ + + if (ninl.ni_namelist_len <= 0) + continue; + + if (sepchar == '\0' && ninl.ni_namelist_len > 1) + { + ni_namelist_free(&ninl); + continue; + } + + /* + ** Calculate number of bytes needed and build result + */ + + alen = 1; + for (j = 0; j < ninl.ni_namelist_len; j++) + alen += strlen(ninl.ni_namelist_val[j]) + 1; + propval = p = sm_malloc(alen); + if (propval == NULL) + goto cleanup; + for (j = 0; j < ninl.ni_namelist_len; j++) + { + (void) sm_strlcpy(p, ninl.ni_namelist_val[j], alen); + l = strlen(p); + p += l; + *p++ = sepchar; + alen -= l + 1; + } + *--p = '\0'; + + ni_namelist_free(&ninl); + } + + cleanup: + if (ni != NULL) + ni_free(ni); + if (lastni != NULL && ni != lastni) + ni_free(lastni); +#if 0 + if (tTd(38, 20)) + sm_dprintf("ni_propval returns: '%s'\n", propval); +#endif /* 0 */ + + return propval; +} +#endif /* NETINFO */ diff --git a/contrib/sendmail-8.13.4/libsm/path.c b/contrib/sendmail-8.13.4/libsm/path.c new file mode 100644 index 0000000000..6932e1f295 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/path.c @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: path.c,v 1.9 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include + diff --git a/contrib/sendmail-8.13.4/libsm/put.c b/contrib/sendmail-8.13.4/libsm/put.c new file mode 100644 index 0000000000..d513b98b3c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/put.c @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: put.c,v 1.27 2001/12/19 05:19:35 ca Exp $") +#include +#include +#include +#include +#include +#include +#include "local.h" +#include "fvwrite.h" + +/* +** SM_IO_PUTC -- output a character to the file +** +** Function version of the macro sm_io_putc (in ). +** +** Parameters: +** fp -- file to output to +** timeout -- time to complete putc +** c -- int value of character to output +** +** Returns: +** Failure: returns SM_IO_EOF _and_ sets errno +** Success: returns sm_putc() value. +** +*/ + +#undef sm_io_putc + +int +sm_io_putc(fp, timeout, c) + SM_FILE_T *fp; + int timeout; + int c; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + if (cantwrite(fp)) + { + errno = EBADF; + return SM_IO_EOF; + } + return sm_putc(fp, timeout, c); +} + + +/* +** SM_PERROR -- print system error messages to smioerr +** +** Parameters: +** s -- message to print +** +** Returns: +** none +*/ + +void +sm_perror(s) + const char *s; +{ + int save_errno = errno; + + if (s != NULL && *s != '\0') + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s: ", s); + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n", + sm_errstring(save_errno)); +} diff --git a/contrib/sendmail-8.13.4/libsm/refill.c b/contrib/sendmail-8.13.4/libsm/refill.c new file mode 100644 index 0000000000..c3db172229 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/refill.c @@ -0,0 +1,299 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: refill.c,v 1.50 2002/09/09 21:50:10 gshapiro Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static int sm_lflush __P((SM_FILE_T *, int *)); + +/* +** SM_IO_RD_TIMEOUT -- measured timeout for reads +** +** This #define uses a select() to wait for the 'fd' to become readable. +** The select() can be active for up to 'To' time. The select() may not +** use all of the the 'To' time. Hence, the amount of "wall-clock" time is +** measured to decide how much to subtract from 'To' to update it. On some +** BSD-based/like systems the timeout for a select() is updated for the +** amount of time used. On many/most systems this does not happen. Therefore +** the updating of 'To' must be done ourselves; a copy of 'To' is passed +** since a BSD-like system will have updated it and we don't want to +** double the time used! +** Note: if a valid 'fd' doesn't exist yet, don't use this (e.g. the +** sendmail buffered file type in sendmail/bf.c; see use below). +** +** Parameters +** fp -- the file pointer for the active file +** fd -- raw file descriptor (from 'fp') to use for select() +** to -- struct timeval of the timeout +** timeout -- the original timeout value +** sel_ret -- the return value from the select() +** +** Returns: +** nothing, flow through code +*/ + +#define SM_IO_RD_TIMEOUT(fp, fd, to, timeout, sel_ret) \ +{ \ + struct timeval sm_io_to_before, sm_io_to_after, sm_io_to_diff; \ + fd_set sm_io_to_mask, sm_io_x_mask; \ + errno = 0; \ + if (timeout == SM_TIME_IMMEDIATE) \ + { \ + errno = EAGAIN; \ + return SM_IO_EOF; \ + } \ + if (FD_SETSIZE > 0 && (fd) >= FD_SETSIZE) \ + { \ + errno = EINVAL; \ + return SM_IO_EOF; \ + } \ + FD_ZERO(&sm_io_to_mask); \ + FD_SET((fd), &sm_io_to_mask); \ + FD_ZERO(&sm_io_x_mask); \ + FD_SET((fd), &sm_io_x_mask); \ + if (gettimeofday(&sm_io_to_before, NULL) < 0) \ + return SM_IO_EOF; \ + (sel_ret) = select((fd) + 1, &sm_io_to_mask, NULL, \ + &sm_io_x_mask, (to)); \ + if ((sel_ret) < 0) \ + { \ + /* something went wrong, errno set */ \ + fp->f_r = 0; \ + fp->f_flags |= SMERR; \ + return SM_IO_EOF; \ + } \ + else if ((sel_ret) == 0) \ + { \ + /* timeout */ \ + errno = EAGAIN; \ + return SM_IO_EOF; \ + } \ + /* calulate wall-clock time used */ \ + if (gettimeofday(&sm_io_to_after, NULL) < 0) \ + return SM_IO_EOF; \ + timersub(&sm_io_to_before, &sm_io_to_after, &sm_io_to_diff); \ + timersub((to), &sm_io_to_diff, (to)); \ +} + +/* +** SM_LFLUSH -- flush a file if it is line buffered and writable +** +** Parameters: +** fp -- file pointer to flush +** timeout -- original timeout value (in milliseconds) +** +** Returns: +** Failure: returns SM_IO_EOF and sets errno +** Success: returns 0 +*/ + +static int +sm_lflush(fp, timeout) + SM_FILE_T *fp; + int *timeout; +{ + + if ((fp->f_flags & (SMLBF|SMWR)) == (SMLBF|SMWR)) + return sm_flush(fp, timeout); + return 0; +} + +/* +** SM_REFILL -- refill a buffer +** +** Parameters: +** fp -- file pointer for buffer refill +** timeout -- time to complete filling the buffer in milliseconds +** +** Returns: +** Success: returns 0 +** Failure: returns SM_IO_EOF +*/ + +int +sm_refill(fp, timeout) + register SM_FILE_T *fp; + int timeout; +{ + int ret, r; + struct timeval to; + int fd; + + if (timeout == SM_TIME_DEFAULT) + timeout = fp->f_timeout; + if (timeout == SM_TIME_IMMEDIATE) + { + /* + ** Filling the buffer will take time and we are wanted to + ** return immediately. And we're not EOF or ERR really. + ** So... the failure is we couldn't do it in time. + */ + + errno = EAGAIN; + fp->f_r = 0; /* just to be sure */ + return 0; + } + + /* make sure stdio is set up */ + if (!Sm_IO_DidInit) + sm_init(); + + fp->f_r = 0; /* largely a convenience for callers */ + + if (fp->f_flags & SMFEOF) + return SM_IO_EOF; + + SM_CONVERT_TIME(fp, fd, timeout, &to); + + /* if not already reading, have to be reading and writing */ + if ((fp->f_flags & SMRD) == 0) + { + if ((fp->f_flags & SMRW) == 0) + { + errno = EBADF; + fp->f_flags |= SMERR; + return SM_IO_EOF; + } + + /* switch to reading */ + if (fp->f_flags & SMWR) + { + if (sm_flush(fp, &timeout)) + return SM_IO_EOF; + fp->f_flags &= ~SMWR; + fp->f_w = 0; + fp->f_lbfsize = 0; + } + fp->f_flags |= SMRD; + } + else + { + /* + ** We were reading. If there is an ungetc buffer, + ** we must have been reading from that. Drop it, + ** restoring the previous buffer (if any). If there + ** is anything in that buffer, return. + */ + + if (HASUB(fp)) + { + FREEUB(fp); + if ((fp->f_r = fp->f_ur) != 0) + { + fp->f_p = fp->f_up; + + /* revert blocking state */ + return 0; + } + } + } + + if (fp->f_bf.smb_base == NULL) + sm_makebuf(fp); + + /* + ** Before reading from a line buffered or unbuffered file, + ** flush all line buffered output files, per the ANSI C standard. + */ + + if (fp->f_flags & (SMLBF|SMNBF)) + (void) sm_fwalk(sm_lflush, &timeout); + + /* + ** If this file is linked to another, and we are going to hang + ** on the read, flush the linked file before continuing. + */ + + if (fp->f_flushfp != NULL && + (*fp->f_getinfo)(fp, SM_IO_IS_READABLE, NULL) <= 0) + sm_flush(fp->f_flushfp, &timeout); + + fp->f_p = fp->f_bf.smb_base; + + /* + ** The do-while loop stops trying to read when something is read + ** or it appears that the timeout has expired before finding + ** something available to be read (via select()). + */ + + ret = 0; + do + { + errno = 0; /* needed to ensure EOF correctly found */ + r = (*fp->f_read)(fp, (char *)fp->f_p, fp->f_bf.smb_size); + if (r <= 0) + { + if (r == 0 && errno == 0) + break; /* EOF found */ + if (IS_IO_ERROR(fd, r, timeout)) + goto err; /* errno set */ + + /* read would block */ + SM_IO_RD_TIMEOUT(fp, fd, &to, timeout, ret); + } + } while (r <= 0 && ret > 0); + +err: + if (r <= 0) + { + if (r == 0) + fp->f_flags |= SMFEOF; + else + fp->f_flags |= SMERR; + fp->f_r = 0; + return SM_IO_EOF; + } + fp->f_r = r; + return 0; +} + +/* +** SM_RGET -- refills buffer and returns first character +** +** Handle sm_getc() when the buffer ran out: +** Refill, then return the first character in the newly-filled buffer. +** +** Parameters: +** fp -- file pointer to work on +** timeout -- time to complete refill +** +** Returns: +** Success: first character in refilled buffer as an int +** Failure: SM_IO_EOF +*/ + +int +sm_rget(fp, timeout) + register SM_FILE_T *fp; + int timeout; +{ + if (sm_refill(fp, timeout) == 0) + { + fp->f_r--; + return *fp->f_p++; + } + return SM_IO_EOF; +} diff --git a/contrib/sendmail-8.13.4/libsm/rewind.c b/contrib/sendmail-8.13.4/libsm/rewind.c new file mode 100644 index 0000000000..597c6dbc37 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/rewind.c @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: rewind.c,v 1.18 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include +#include "local.h" + +/* +** SM_IO_REWIND -- rewind the file +** +** Seeks the file to the begining and clears any outstanding errors. +** +** Parameters: +** fp -- the flie pointer for rewind +** timeout -- time to complete the rewind +** +** Returns: +** none. +*/ + +void +sm_io_rewind(fp, timeout) + register SM_FILE_T *fp; + int timeout; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + (void) sm_io_seek(fp, timeout, 0L, SM_IO_SEEK_SET); + (void) sm_io_clearerr(fp); + errno = 0; /* not required, but seems reasonable */ +} diff --git a/contrib/sendmail-8.13.4/libsm/rpool.c b/contrib/sendmail-8.13.4/libsm/rpool.c new file mode 100644 index 0000000000..39344c268f --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/rpool.c @@ -0,0 +1,524 @@ +/* + * Copyright (c) 2000-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: rpool.c,v 1.28 2004/08/03 20:44:04 ca Exp $") + +/* +** resource pools +** For documentation, see rpool.html +*/ + +#include +#include +#include +#include +#include +#if _FFR_PERF_RPOOL +# include +#endif /* _FFR_PERF_RPOOL */ + +const char SmRpoolMagic[] = "sm_rpool"; + +typedef union +{ + SM_POOLLINK_T link; + char align[SM_ALIGN_SIZE]; +} SM_POOLHDR_T; + +static char *sm_rpool_allocblock_x __P((SM_RPOOL_T *, size_t)); +static char *sm_rpool_allocblock __P((SM_RPOOL_T *, size_t)); + +/* +** Tune this later +*/ + +#define POOLSIZE 4096 +#define BIG_OBJECT_RATIO 10 + +/* +** SM_RPOOL_ALLOCBLOCK_X -- allocate a new block for an rpool. +** +** Parameters: +** rpool -- rpool to which the block should be added. +** size -- size of block. +** +** Returns: +** Pointer to block. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +static char * +sm_rpool_allocblock_x(rpool, size) + SM_RPOOL_T *rpool; + size_t size; +{ + SM_POOLLINK_T *p; + + p = sm_malloc_x(sizeof(SM_POOLHDR_T) + size); + p->sm_pnext = rpool->sm_pools; + rpool->sm_pools = p; + return (char*) p + sizeof(SM_POOLHDR_T); +} + +/* +** SM_RPOOL_ALLOCBLOCK -- allocate a new block for an rpool. +** +** Parameters: +** rpool -- rpool to which the block should be added. +** size -- size of block. +** +** Returns: +** Pointer to block, NULL on failure. +*/ + +static char * +sm_rpool_allocblock(rpool, size) + SM_RPOOL_T *rpool; + size_t size; +{ + SM_POOLLINK_T *p; + + p = sm_malloc(sizeof(SM_POOLHDR_T) + size); + if (p == NULL) + return NULL; + p->sm_pnext = rpool->sm_pools; + rpool->sm_pools = p; + return (char*) p + sizeof(SM_POOLHDR_T); +} + +/* +** SM_RPOOL_MALLOC_TAGGED_X -- allocate memory from rpool +** +** Parameters: +** rpool -- rpool from which memory should be allocated; +** can be NULL, use sm_malloc() then. +** size -- size of block. +** file -- filename. +** line -- line number in file. +** group -- heap group for debugging. +** +** Returns: +** Pointer to block. +** +** Exceptions: +** F:sm_heap -- out of memory +** +** Notice: XXX +** if size == 0 and the rpool is new (no memory +** allocated yet) NULL is returned! +** We could solve this by +** - wasting 1 byte (size < avail) +** - checking for rpool->sm_poolptr != NULL +** - not asking for 0 sized buffer +*/ + +void * +#if SM_HEAP_CHECK +sm_rpool_malloc_tagged_x(rpool, size, file, line, group) + SM_RPOOL_T *rpool; + size_t size; + char *file; + int line; + int group; +#else /* SM_HEAP_CHECK */ +sm_rpool_malloc_x(rpool, size) + SM_RPOOL_T *rpool; + size_t size; +#endif /* SM_HEAP_CHECK */ +{ + char *ptr; + + if (rpool == NULL) + return sm_malloc_tagged_x(size, file, line, group); + + /* Ensure that size is properly aligned. */ + if (size & SM_ALIGN_BITS) + size = (size & ~SM_ALIGN_BITS) + SM_ALIGN_SIZE; + + /* The common case. This is optimized for speed. */ + if (size <= rpool->sm_poolavail) + { + ptr = rpool->sm_poolptr; + rpool->sm_poolptr += size; + rpool->sm_poolavail -= size; + return ptr; + } + + /* + ** The slow case: we need to call malloc. + ** The SM_REQUIRE assertion is deferred until now, for speed. + ** That's okay: we set rpool->sm_poolavail to 0 when we free an rpool, + ** so the common case code won't be triggered on a dangling pointer. + */ + + SM_REQUIRE(rpool->sm_magic == SmRpoolMagic); + + /* + ** If size > sm_poolsize, then malloc a new block especially for + ** this request. Future requests will be allocated from the + ** current pool. + ** + ** What if the current pool is mostly unallocated, and the current + ** request is larger than the available space, but < sm_poolsize? + ** If we discard the current pool, and start allocating from a new + ** pool, then we will be wasting a lot of space. For this reason, + ** we malloc a block just for the current request if size > + ** sm_bigobjectsize, where sm_bigobjectsize <= sm_poolsize. + ** Thus, the most space that we will waste at the end of a pool + ** is sm_bigobjectsize - 1. + */ + + if (size > rpool->sm_bigobjectsize) + { +#if _FFR_PERF_RPOOL + ++rpool->sm_nbigblocks; +#endif /* _FFR_PERF_RPOOL */ + return sm_rpool_allocblock_x(rpool, size); + } + SM_ASSERT(rpool->sm_bigobjectsize <= rpool->sm_poolsize); + ptr = sm_rpool_allocblock_x(rpool, rpool->sm_poolsize); + rpool->sm_poolptr = ptr + size; + rpool->sm_poolavail = rpool->sm_poolsize - size; +#if _FFR_PERF_RPOOL + ++rpool->sm_npools; +#endif /* _FFR_PERF_RPOOL */ + return ptr; +} + +/* +** SM_RPOOL_MALLOC_TAGGED -- allocate memory from rpool +** +** Parameters: +** rpool -- rpool from which memory should be allocated; +** can be NULL, use sm_malloc() then. +** size -- size of block. +** file -- filename. +** line -- line number in file. +** group -- heap group for debugging. +** +** Returns: +** Pointer to block, NULL on failure. +** +** Notice: XXX +** if size == 0 and the rpool is new (no memory +** allocated yet) NULL is returned! +** We could solve this by +** - wasting 1 byte (size < avail) +** - checking for rpool->sm_poolptr != NULL +** - not asking for 0 sized buffer +*/ + +void * +#if SM_HEAP_CHECK +sm_rpool_malloc_tagged(rpool, size, file, line, group) + SM_RPOOL_T *rpool; + size_t size; + char *file; + int line; + int group; +#else /* SM_HEAP_CHECK */ +sm_rpool_malloc(rpool, size) + SM_RPOOL_T *rpool; + size_t size; +#endif /* SM_HEAP_CHECK */ +{ + char *ptr; + + if (rpool == NULL) + return sm_malloc_tagged(size, file, line, group); + + /* Ensure that size is properly aligned. */ + if (size & SM_ALIGN_BITS) + size = (size & ~SM_ALIGN_BITS) + SM_ALIGN_SIZE; + + /* The common case. This is optimized for speed. */ + if (size <= rpool->sm_poolavail) + { + ptr = rpool->sm_poolptr; + rpool->sm_poolptr += size; + rpool->sm_poolavail -= size; + return ptr; + } + + /* + ** The slow case: we need to call malloc. + ** The SM_REQUIRE assertion is deferred until now, for speed. + ** That's okay: we set rpool->sm_poolavail to 0 when we free an rpool, + ** so the common case code won't be triggered on a dangling pointer. + */ + + SM_REQUIRE(rpool->sm_magic == SmRpoolMagic); + + /* + ** If size > sm_poolsize, then malloc a new block especially for + ** this request. Future requests will be allocated from the + ** current pool. + ** + ** What if the current pool is mostly unallocated, and the current + ** request is larger than the available space, but < sm_poolsize? + ** If we discard the current pool, and start allocating from a new + ** pool, then we will be wasting a lot of space. For this reason, + ** we malloc a block just for the current request if size > + ** sm_bigobjectsize, where sm_bigobjectsize <= sm_poolsize. + ** Thus, the most space that we will waste at the end of a pool + ** is sm_bigobjectsize - 1. + */ + + if (size > rpool->sm_bigobjectsize) + { +#if _FFR_PERF_RPOOL + ++rpool->sm_nbigblocks; +#endif /* _FFR_PERF_RPOOL */ + return sm_rpool_allocblock(rpool, size); + } + SM_ASSERT(rpool->sm_bigobjectsize <= rpool->sm_poolsize); + ptr = sm_rpool_allocblock(rpool, rpool->sm_poolsize); + if (ptr == NULL) + return NULL; + rpool->sm_poolptr = ptr + size; + rpool->sm_poolavail = rpool->sm_poolsize - size; +#if _FFR_PERF_RPOOL + ++rpool->sm_npools; +#endif /* _FFR_PERF_RPOOL */ + return ptr; +} + +/* +** SM_RPOOL_NEW_X -- create a new rpool. +** +** Parameters: +** parent -- pointer to parent rpool, can be NULL. +** +** Returns: +** Pointer to new rpool. +*/ + +SM_RPOOL_T * +sm_rpool_new_x(parent) + SM_RPOOL_T *parent; +{ + SM_RPOOL_T *rpool; + + rpool = sm_malloc_x(sizeof(SM_RPOOL_T)); + if (parent == NULL) + rpool->sm_parentlink = NULL; + else + { + SM_TRY + rpool->sm_parentlink = sm_rpool_attach_x(parent, + (SM_RPOOL_RFREE_T) sm_rpool_free, + (void *) rpool); + SM_EXCEPT(exc, "*") + sm_free(rpool); + sm_exc_raise_x(exc); + SM_END_TRY + } + rpool->sm_magic = SmRpoolMagic; + + rpool->sm_poolsize = POOLSIZE - sizeof(SM_POOLHDR_T); + rpool->sm_bigobjectsize = rpool->sm_poolsize / BIG_OBJECT_RATIO; + rpool->sm_poolptr = NULL; + rpool->sm_poolavail = 0; + rpool->sm_pools = NULL; + + rpool->sm_rptr = NULL; + rpool->sm_ravail = 0; + rpool->sm_rlists = NULL; +#if _FFR_PERF_RPOOL + rpool->sm_nbigblocks = 0; + rpool->sm_npools = 0; +#endif /* _FFR_PERF_RPOOL */ + + return rpool; +} + +/* +** SM_RPOOL_SETSIZES -- set sizes for rpool. +** +** Parameters: +** poolsize -- size of a single rpool block. +** bigobjectsize -- if this size is exceeded, an individual +** block is allocated (must be less or equal poolsize). +** +** Returns: +** none. +*/ + +void +sm_rpool_setsizes(rpool, poolsize, bigobjectsize) + SM_RPOOL_T *rpool; + size_t poolsize; + size_t bigobjectsize; +{ + SM_REQUIRE(poolsize >= bigobjectsize); + if (poolsize == 0) + poolsize = POOLSIZE - sizeof(SM_POOLHDR_T); + if (bigobjectsize == 0) + bigobjectsize = poolsize / BIG_OBJECT_RATIO; + rpool->sm_poolsize = poolsize; + rpool->sm_bigobjectsize = bigobjectsize; +} + +/* +** SM_RPOOL_FREE -- free an rpool and release all of its resources. +** +** Parameters: +** rpool -- rpool to free. +** +** Returns: +** none. +*/ + +void +sm_rpool_free(rpool) + SM_RPOOL_T *rpool; +{ + SM_RLIST_T *rl, *rnext; + SM_RESOURCE_T *r, *rmax; + SM_POOLLINK_T *pp, *pnext; + + if (rpool == NULL) + return; + + /* + ** It's important to free the resources before the memory pools, + ** because the resource free functions might modify the contents + ** of the memory pools. + */ + + rl = rpool->sm_rlists; + if (rl != NULL) + { + rmax = rpool->sm_rptr; + for (;;) + { + for (r = rl->sm_rvec; r < rmax; ++r) + { + if (r->sm_rfree != NULL) + r->sm_rfree(r->sm_rcontext); + } + rnext = rl->sm_rnext; + sm_free(rl); + if (rnext == NULL) + break; + rl = rnext; + rmax = &rl->sm_rvec[SM_RLIST_MAX]; + } + } + + /* + ** Now free the memory pools. + */ + + for (pp = rpool->sm_pools; pp != NULL; pp = pnext) + { + pnext = pp->sm_pnext; + sm_free(pp); + } + + /* + ** Disconnect rpool from its parent. + */ + + if (rpool->sm_parentlink != NULL) + *rpool->sm_parentlink = NULL; + + /* + ** Setting these fields to zero means that any future to attempt + ** to use the rpool after it is freed will cause an assertion failure. + */ + + rpool->sm_magic = NULL; + rpool->sm_poolavail = 0; + rpool->sm_ravail = 0; + +#if _FFR_PERF_RPOOL + if (rpool->sm_nbigblocks > 0 || rpool->sm_npools > 1) + syslog(LOG_NOTICE, + "perf: rpool=%lx, sm_nbigblocks=%d, sm_npools=%d", + (long) rpool, rpool->sm_nbigblocks, rpool->sm_npools); + rpool->sm_nbigblocks = 0; + rpool->sm_npools = 0; +#endif /* _FFR_PERF_RPOOL */ + sm_free(rpool); +} + +/* +** SM_RPOOL_ATTACH_X -- attach a resource to an rpool. +** +** Parameters: +** rpool -- rpool to which resource should be attached. +** rfree -- function to call when rpool is freed. +** rcontext -- argument for function to call when rpool is freed. +** +** Returns: +** Pointer to allocated function. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +SM_RPOOL_ATTACH_T +sm_rpool_attach_x(rpool, rfree, rcontext) + SM_RPOOL_T *rpool; + SM_RPOOL_RFREE_T rfree; + void *rcontext; +{ + SM_RLIST_T *rl; + SM_RPOOL_ATTACH_T a; + + SM_REQUIRE_ISA(rpool, SmRpoolMagic); + + if (rpool->sm_ravail == 0) + { + rl = sm_malloc_x(sizeof(SM_RLIST_T)); + rl->sm_rnext = rpool->sm_rlists; + rpool->sm_rlists = rl; + rpool->sm_rptr = rl->sm_rvec; + rpool->sm_ravail = SM_RLIST_MAX; + } + + a = &rpool->sm_rptr->sm_rfree; + rpool->sm_rptr->sm_rfree = rfree; + rpool->sm_rptr->sm_rcontext = rcontext; + ++rpool->sm_rptr; + --rpool->sm_ravail; + return a; +} + +#if DO_NOT_USE_STRCPY +/* +** SM_RPOOL_STRDUP_X -- Create a copy of a C string +** +** Parameters: +** rpool -- rpool to use. +** s -- the string to copy. +** +** Returns: +** pointer to newly allocated string. +*/ + +char * +sm_rpool_strdup_x(rpool, s) + SM_RPOOL_T *rpool; + const char *s; +{ + size_t l; + char *n; + + l = strlen(s); + SM_ASSERT(l + 1 > l); + n = sm_rpool_malloc_x(rpool, l + 1); + sm_strlcpy(n, s, l + 1); + return n; +} +#endif /* DO_NOT_USE_STRCPY */ diff --git a/contrib/sendmail-8.13.4/libsm/rpool.html b/contrib/sendmail-8.13.4/libsm/rpool.html new file mode 100644 index 0000000000..f796bc043a --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/rpool.html @@ -0,0 +1,187 @@ + + + libsm : Resource Pools + + + +Back to libsm overview + +
    +

    libsm : Resource Pools

    +
    $Id: rpool.html,v 1.4 2000/12/07 17:33:09 dmoen Exp $ +
    + +

    Introduction

    + +A resource pool is an object that owns a collection of objects +that can be freed all at once. + +

    +Resource pools simplify storage management. + +

    +Resource pools also speed up memory management. +For example, here are some memory allocation statistics from a +run of `sendmail -q` that delivered 3 messages: +

    +     18	1	     82	12	     87	24	      7	42	      2	84
+   3046	2	     18	13	      6	25	     89	44	      2	88
+    728	3	     15	14	      2	26	     14	48	      1	91
+     31	4	      9	15	      3	27	    104	52	      3	92
+    103	5	    394	16	     80	28	      8	56	      2	96
+    125	6	     16	17	      1	31	      2	60	      1	100
+     45	7	     14	18	     59	32	     10	64	      9	108
+    130	8	      6	19	      1	33	      6	68	      3	135
+     40	9	    111	20	      7	34	      1	72	     10	140
+     37	10	      7	21	     54	36	     10	76
+     34	11	      4	22	     38	40	      5	80
+
    +The second number in each pair is the size of a memory block; the first +number is the number of blocks of that size. We can see that sendmail +allocates large numbers of 2 byte blocks. These memory blocks can be +allocated and freed more quickly using resource pools, because: +
      +
    • + When you allocate a small block from a resource pool, the rpool + implementation carves off a chunk of a large preallocated block, + and hands you a pointer to it. +
    • + When you free a resource pool, only a small number of large + blocks need to be freed. +
    + +

    Synopsis

    + +
    +#include <sm/rpool.h>
+
+typedef void (*SM_RPOOL_RFREE_T)(void *rcontext);
+typedef struct sm_rpool SM_RPOOL_T;
+typedef ... SM_RPOOL_ATTACH_T;
+
+SM_RPOOL_T *
+sm_rpool_new_x(
+	SM_RPOOL_T *parent);
+
+void
+sm_rpool_free(
+	SM_RPOOL_T *rpool);
+
+void *
+sm_rpool_malloc_x(
+	SM_RPOOL_T *rpool,
+	size_t size);
+
+SM_RPOOL_ATTACH_T
+sm_rpool_attach_x(
+	SM_RPOOL_T *rpool,
+	SM_RPOOL_RFREE_T rfree,
+	void *rcontext);
+
+void
+sm_rpool_detach(
+	SM_RPOOL_ATTACH_T);
+
+void
+sm_rpool_setsizes(
+	SM_RPOOL_T *rpool,
+	size_t poolsize,
+	size_t bigobjectsize);
+
    + +

    Description

    + +
    +
    + SM_RPOOL_T *sm_rpool_new_x(SM_RPOOL_T *parent) +
    + Create a new resource pool object. + Raise an exception if there is insufficient heap space. + Initially, no memory is allocated for memory pools or resource lists. +

    + If parent != NULL then the new rpool will be added as a resource + to the specified parent rpool, so that when the parent is freed, + the child is also freed. However, even if a parent is specified, + you can free the rpool at any time, and it will be automatically + disconnected from the parent. +

    +

    + void *sm_rpool_malloc_x(SM_RPOOL_T *rpool, size_t size) +
    + Allocate a block of memory from a memory pool owned by the rpool. + Raise an exception if there is insufficient heap space. + A series of small allocation requests can be satisfied allocating + them from the same memory pool, which reduces the number of calls + to malloc. + All of the memory allocated by sm_rpool_malloc_x is freed when + the rpool is freed, and not before then. +

    +

    + void sm_rpool_setsizes(SM_RPOOL_T *rpool, size_t poolsize, size_t bigobjectsize) +
    + Set memory pool parameters. + You can safely call this function at any time, but an especially + good time to call it is immediately after creating the rpool, + before any pooled objects have been allocated using sm_rpool_malloc_x. +

    + poolsize is the number of bytes of pool memory + that will be available in the next pool object to be allocated. + If you happen to know the total number of bytes of memory that + you will allocate from an rpool using sm_rpool_malloc_x + (including alignment padding), then you can pass that value + as the poolsize, and only a single pool will be allocated + during the lifetime of the rpool. + poolsize is an optimization, not a hard limit: + if you allocate more than this number of bytes from the rpool, + then more than one memory pool may be allocated by the rpool + to satisfy your requests. +

    + bigobjectsize is a value <= poolsize. + It is used when an sm_rpool_malloc_x request exceeds + the number of bytes available in the current pool. + If the request is > bigobjectsize then the request + will be satisfied by allocating a new block just for this specific + request, and the current pool is not affected. + If the request is <= bigobjectsize then the current + pool is closed and a new memory pool is allocated, from which the + request is satisfied. + Consequently, no more than bigobjectsize-1 bytes will + ever be wasted at the end of a given pool. +

    + If poolsize or bigobjectsize are 0, then suitable default values + are chosen. +

    +

    + SM_RPOOL_ATTACH_T sm_rpool_attach_x(SM_RPOOL_T *rpool, SM_RPOOL_RFREE_T rfree, void *rcontext) +
    + Attach an object to a resource pool, along with its free function. + When the rpool is freed, the specified object will also be freed. + Raise an exception if there is insufficient heap space. +

    + The return value is a magic cookie which, if passed to + sm_rpool_detach, disconnects the object from the resource pool, + which prevents the object's free function from being called when + the rpool is freed. +

    +

    + void sm_rpool_detach(SM_RPOOL_ATTACH_T a) +
    + The argument is a magic cookie returned by sm_rpool_attach_t, + and refers to the object that was attached to an rpool by a specific + call to sm_rpool_attach_t. + Disconnect the object from the resource pool, + which prevents the object's free function from being called when + the rpool is freed. +

    +

    + void sm_rpool_free(SM_RPOOL_T *rpool) +
    + Free an rpool object. + All memory allocated using sm_rpool_malloc_x + and all objects attached using sm_rpool_attach_x + are freed at this time. + If the rpool has a parent rpool, it is detached from its parent. +
    + + + diff --git a/contrib/sendmail-8.13.4/libsm/sem.c b/contrib/sendmail-8.13.4/libsm/sem.c new file mode 100644 index 0000000000..a429cf4a2e --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/sem.c @@ -0,0 +1,201 @@ +/* + * Copyright (c) 2000-2001, 2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: sem.c,v 1.12 2005/03/25 21:27:02 ca Exp $") + +#if SM_CONF_SEM +# include +# include +# include +# include + +/* +** SM_SEM_START -- initialize semaphores +** +** Parameters: +** key -- key for semaphores. +** nsem -- number of semaphores. +** semflg -- flag for semget(), if 0, use a default. +** owner -- create semaphores. +** +** Returns: +** id for semaphores. +** < 0 on failure. +*/ + +int +sm_sem_start(key, nsem, semflg, owner) + key_t key; + int nsem; + int semflg; + bool owner; +{ + int semid, i; + unsigned short *semvals; + + semvals = NULL; + if (semflg == 0) + semflg = (SEM_A|SEM_R)|((SEM_A|SEM_R) >> 3); + if (owner) + semflg |= IPC_CREAT|IPC_EXCL; + semid = semget(key, nsem, semflg); + if (semid < 0) + goto error; + + if (owner) + { + union semun semarg; + + semvals = (unsigned short *) sm_malloc(nsem * sizeof semvals); + if (semvals == NULL) + goto error; + semarg.array = semvals; + + /* initialize semaphore values to be available */ + for (i = 0; i < nsem; i++) + semvals[i] = 1; + if (semctl(semid, 0, SETALL, semarg) < 0) + goto error; + } + return semid; + +error: + if (semvals != NULL) + sm_free(semvals); + if (semid >= 0) + sm_sem_stop(semid); + return -1; +} + +/* +** SM_SEM_STOP -- stop using semaphores. +** +** Parameters: +** semid -- id for semaphores. +** +** Returns: +** 0 on success. +** < 0 on failure. +*/ + +int +sm_sem_stop(semid) + int semid; +{ + return semctl(semid, 0, IPC_RMID, NULL); +} + +/* +** SM_SEM_ACQ -- acquire semaphore. +** +** Parameters: +** semid -- id for semaphores. +** semnum -- number of semaphore. +** timeout -- how long to wait for operation to succeed. +** +** Returns: +** 0 on success. +** < 0 on failure. +*/ + +int +sm_sem_acq(semid, semnum, timeout) + int semid; + int semnum; + int timeout; +{ + int r; + struct sembuf semops[1]; + + semops[0].sem_num = semnum; + semops[0].sem_op = -1; + semops[0].sem_flg = SEM_UNDO | + (timeout != SM_TIME_FOREVER ? 0 : IPC_NOWAIT); + if (timeout == SM_TIME_IMMEDIATE || timeout == SM_TIME_FOREVER) + return semop(semid, semops, 1); + do + { + r = semop(semid, semops, 1); + if (r == 0) + return r; + sleep(1); + --timeout; + } while (timeout > 0); + return r; +} + +/* +** SM_SEM_REL -- release semaphore. +** +** Parameters: +** semid -- id for semaphores. +** semnum -- number of semaphore. +** timeout -- how long to wait for operation to succeed. +** +** Returns: +** 0 on success. +** < 0 on failure. +*/ + +int +sm_sem_rel(semid, semnum, timeout) + int semid; + int semnum; + int timeout; +{ + int r; + struct sembuf semops[1]; + +#if PARANOID + /* XXX should we check whether the value is already 0 ? */ + SM_REQUIRE(sm_get_sem(semid, semnum) > 0); +#endif /* PARANOID */ + + semops[0].sem_num = semnum; + semops[0].sem_op = 1; + semops[0].sem_flg = SEM_UNDO | + (timeout != SM_TIME_FOREVER ? 0 : IPC_NOWAIT); + if (timeout == SM_TIME_IMMEDIATE || timeout == SM_TIME_FOREVER) + return semop(semid, semops, 1); + do + { + r = semop(semid, semops, 1); + if (r == 0) + return r; + sleep(1); + --timeout; + } while (timeout > 0); + return r; +} + +/* +** SM_SEM_GET -- get semaphore value. +** +** Parameters: +** semid -- id for semaphores. +** semnum -- number of semaphore. +** +** Returns: +** value of semaphore on success. +** < 0 on failure. +*/ + +int +sm_sem_get(semid, semnum) + int semid; + int semnum; +{ + int semval; + + if ((semval = semctl(semid, semnum, GETVAL, NULL)) < 0) + return -1; + return semval; +} +#endif /* SM_CONF_SEM */ diff --git a/contrib/sendmail-8.13.4/libsm/setvbuf.c b/contrib/sendmail-8.13.4/libsm/setvbuf.c new file mode 100644 index 0000000000..172a767b85 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/setvbuf.c @@ -0,0 +1,190 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: setvbuf.c,v 1.32 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +/* +** SM_IO_SETVBUF -- set the buffering type for a file +** +** Set one of the different kinds of buffering, optionally including +** a buffer. +** If 'size' is == 0 then an "optimal" size will be selected. +** If 'buf' is == NULL then space will be allocated at 'size'. +** +** Parameters: +** fp -- the file that buffering is to be changed for +** timeout -- time allowed for completing the function +** buf -- buffer to use +** mode -- buffering method to use +** size -- size of 'buf' +** +** Returns: +** Failure: SM_IO_EOF +** Success: 0 (zero) +*/ + +int +sm_io_setvbuf(fp, timeout, buf, mode, size) + SM_FILE_T *fp; + int timeout; + char *buf; + int mode; + size_t size; +{ + int ret, flags; + size_t iosize; + int ttyflag; + int fd; + struct timeval to; + + SM_REQUIRE_ISA(fp, SmFileMagic); + + /* + ** Verify arguments. The `int' limit on `size' is due to this + ** particular implementation. Note, buf and size are ignored + ** when setting SM_IO_NBF. + */ + + if (mode != SM_IO_NBF) + if ((mode != SM_IO_FBF && mode != SM_IO_LBF && + mode != SM_IO_NOW) || (int) size < 0) + return SM_IO_EOF; + + /* + ** Write current buffer, if any. Discard unread input (including + ** ungetc data), cancel line buffering, and free old buffer if + ** malloc()ed. We also clear any eof condition, as if this were + ** a seek. + */ + + ret = 0; + SM_CONVERT_TIME(fp, fd, timeout, &to); + (void) sm_flush(fp, &timeout); + if (HASUB(fp)) + FREEUB(fp); + fp->f_r = fp->f_lbfsize = 0; + flags = fp->f_flags; + if (flags & SMMBF) + { + sm_free((void *) fp->f_bf.smb_base); + fp->f_bf.smb_base = NULL; + } + flags &= ~(SMLBF | SMNBF | SMMBF | SMOPT | SMNPT | SMFEOF | SMNOW | + SMFBF); + + /* If setting unbuffered mode, skip all the hard work. */ + if (mode == SM_IO_NBF) + goto nbf; + + /* + ** Find optimal I/O size for seek optimization. This also returns + ** a `tty flag' to suggest that we check isatty(fd), but we do not + ** care since our caller told us how to buffer. + */ + + flags |= sm_whatbuf(fp, &iosize, &ttyflag); + if (size == 0) + { + buf = NULL; /* force local allocation */ + size = iosize; + } + + /* Allocate buffer if needed. */ + if (buf == NULL) + { + if ((buf = sm_malloc(size)) == NULL) + { + /* + ** Unable to honor user's request. We will return + ** failure, but try again with file system size. + */ + + ret = SM_IO_EOF; + if (size != iosize) + { + size = iosize; + buf = sm_malloc(size); + } + } + if (buf == NULL) + { + /* No luck; switch to unbuffered I/O. */ +nbf: + fp->f_flags = flags | SMNBF; + fp->f_w = 0; + fp->f_bf.smb_base = fp->f_p = fp->f_nbuf; + fp->f_bf.smb_size = 1; + return ret; + } + flags |= SMMBF; + } + + /* + ** Kill any seek optimization if the buffer is not the + ** right size. + ** + ** SHOULD WE ALLOW MULTIPLES HERE (i.e., ok iff (size % iosize) == 0)? + */ + + if (size != iosize) + flags |= SMNPT; + + /* + ** Fix up the SM_FILE_T fields, and set sm_cleanup for output flush on + ** exit (since we are buffered in some way). + */ + + if (mode == SM_IO_LBF) + flags |= SMLBF; + else if (mode == SM_IO_NOW) + flags |= SMNOW; + else if (mode == SM_IO_FBF) + flags |= SMFBF; + fp->f_flags = flags; + fp->f_bf.smb_base = fp->f_p = (unsigned char *)buf; + fp->f_bf.smb_size = size; + /* fp->f_lbfsize is still 0 */ + if (flags & SMWR) + { + /* + ** Begin or continue writing: see sm_wsetup(). Note + ** that SMNBF is impossible (it was handled earlier). + */ + + if (flags & SMLBF) + { + fp->f_w = 0; + fp->f_lbfsize = -fp->f_bf.smb_size; + } + else + fp->f_w = size; + } + else + { + /* begin/continue reading, or stay in intermediate state */ + fp->f_w = 0; + } + + atexit(sm_cleanup); + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/shm.c b/contrib/sendmail-8.13.4/libsm/shm.c new file mode 100644 index 0000000000..b68f7c689d --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/shm.c @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2000-2001, 2003, 2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: shm.c,v 1.18 2005/02/09 01:54:51 ca Exp $") + +#if SM_CONF_SHM +# include +# include +# include +# include + + +/* +** SM_SHMSTART -- initialize shared memory segment. +** +** Parameters: +** key -- key for shared memory. +** size -- size of segment. +** shmflag -- initial flags. +** shmid -- pointer to return id. +** owner -- create segment. +** +** Returns: +** pointer to shared memory segment, +** NULL on failure. +** +** Side Effects: +** attaches shared memory segment. +*/ + +void * +sm_shmstart(key, size, shmflg, shmid, owner) + key_t key; + int size; + int shmflg; + int *shmid; + bool owner; +{ + int save_errno; + void *shm = SM_SHM_NULL; + + /* default: user/group accessible */ + if (shmflg == 0) + shmflg = SHM_R|SHM_W|(SHM_R>>3)|(SHM_W>>3); + if (owner) + shmflg |= IPC_CREAT|IPC_EXCL; + *shmid = shmget(key, size, shmflg); + if (*shmid < 0) + goto error; + + shm = shmat(*shmid, (void *) 0, 0); + if (shm == SM_SHM_NULL) + goto error; + + return shm; + + error: + save_errno = errno; + if (shm != SM_SHM_NULL || *shmid >= 0) + sm_shmstop(shm, *shmid, owner); + *shmid = SM_SHM_NO_ID; + errno = save_errno; + return (void *) 0; +} + + +/* +** SM_SHMSTOP -- stop using shared memory segment. +** +** Parameters: +** shm -- pointer to shared memory. +** shmid -- id. +** owner -- delete segment. +** +** Returns: +** 0 on success. +** < 0 on failure. +** +** Side Effects: +** detaches (and maybe removes) shared memory segment. +*/ + + +int +sm_shmstop(shm, shmid, owner) + void *shm; + int shmid; + bool owner; +{ + int r; + + if (shm != SM_SHM_NULL && (r = shmdt(shm)) < 0) + return r; + if (owner && shmid >= 0 && (r = shmctl(shmid, IPC_RMID, NULL)) < 0) + return r; + return 0; +} + + +/* +** SM_SHMSETOWNER -- set owner/group/mode of shared memory segment. +** +** Parameters: +** shmid -- id. +** uid -- uid to use +** gid -- gid to use +** mode -- mode to use +** +** Returns: +** 0 on success. +** < 0 on failure. +*/ + +int +sm_shmsetowner(shmid, uid, gid, mode) + int shmid; + uid_t uid; + gid_t gid; + mode_t mode; +{ + int r; + struct shmid_ds shmid_ds; + + memset(&shmid_ds, 0, sizeof(shmid_ds)); + if ((r = shmctl(shmid, IPC_STAT, &shmid_ds)) < 0) + return r; + shmid_ds.shm_perm.uid = uid; + shmid_ds.shm_perm.gid = gid; + shmid_ds.shm_perm.mode = mode; + if ((r = shmctl(shmid, IPC_SET, &shmid_ds)) < 0) + return r; + return 0; +} +#endif /* SM_CONF_SHM */ diff --git a/contrib/sendmail-8.13.4/libsm/signal.c b/contrib/sendmail-8.13.4/libsm/signal.c new file mode 100644 index 0000000000..9061efc6a2 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/signal.c @@ -0,0 +1,340 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: signal.c,v 1.16 2001/09/11 04:04:49 gshapiro Exp $") + +#if SM_CONF_SETITIMER +# include +#endif /* SM_CONF_SETITIMER */ +#include +#include +#include +#include +#include +#include +#include +#include + +unsigned int volatile InCriticalSection; /* >0 if inside critical section */ +int volatile PendingSignal; /* pending signal to resend */ + +/* +** SM_SIGNAL -- set a signal handler +** +** This is essentially old BSD "signal(3)". +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +sigfunc_t +sm_signal(sig, handler) + int sig; + sigfunc_t handler; +{ +# if defined(SA_RESTART) || (!defined(SYS5SIGNALS) && !defined(BSD4_3)) + struct sigaction n, o; +# endif /* defined(SA_RESTART) || (!defined(SYS5SIGNALS) && !defined(BSD4_3)) */ + + /* + ** First, try for modern signal calls + ** and restartable syscalls + */ + +# ifdef SA_RESTART + (void) memset(&n, '\0', sizeof n); +# if USE_SA_SIGACTION + n.sa_sigaction = (void(*)(int, siginfo_t *, void *)) handler; + n.sa_flags = SA_RESTART|SA_SIGINFO; +# else /* USE_SA_SIGACTION */ + n.sa_handler = handler; + n.sa_flags = SA_RESTART; +# endif /* USE_SA_SIGACTION */ + if (sigaction(sig, &n, &o) < 0) + return SIG_ERR; + return o.sa_handler; +# else /* SA_RESTART */ + + /* + ** Else check for SYS5SIGNALS or + ** BSD4_3 signals + */ + +# if defined(SYS5SIGNALS) || defined(BSD4_3) +# ifdef BSD4_3 + return signal(sig, handler); +# else /* BSD4_3 */ + return sigset(sig, handler); +# endif /* BSD4_3 */ +# else /* defined(SYS5SIGNALS) || defined(BSD4_3) */ + + /* + ** Finally, if nothing else is available, + ** go for a default + */ + + (void) memset(&n, '\0', sizeof n); + n.sa_handler = handler; + if (sigaction(sig, &n, &o) < 0) + return SIG_ERR; + return o.sa_handler; +# endif /* defined(SYS5SIGNALS) || defined(BSD4_3) */ +# endif /* SA_RESTART */ +} +/* +** SM_BLOCKSIGNAL -- hold a signal to prevent delivery +** +** Parameters: +** sig -- the signal to block. +** +** Returns: +** 1 signal was previously blocked +** 0 signal was not previously blocked +** -1 on failure. +*/ + +int +sm_blocksignal(sig) + int sig; +{ +# ifdef BSD4_3 +# ifndef sigmask +# define sigmask(s) (1 << ((s) - 1)) +# endif /* ! sigmask */ + return (sigblock(sigmask(sig)) & sigmask(sig)) != 0; +# else /* BSD4_3 */ +# ifdef ALTOS_SYSTEM_V + sigfunc_t handler; + + handler = sigset(sig, SIG_HOLD); + if (handler == SIG_ERR) + return -1; + else + return handler == SIG_HOLD; +# else /* ALTOS_SYSTEM_V */ + sigset_t sset, oset; + + (void) sigemptyset(&sset); + (void) sigaddset(&sset, sig); + if (sigprocmask(SIG_BLOCK, &sset, &oset) < 0) + return -1; + else + return sigismember(&oset, sig); +# endif /* ALTOS_SYSTEM_V */ +# endif /* BSD4_3 */ +} +/* +** SM_RELEASESIGNAL -- release a held signal +** +** Parameters: +** sig -- the signal to release. +** +** Returns: +** 1 signal was previously blocked +** 0 signal was not previously blocked +** -1 on failure. +*/ + +int +sm_releasesignal(sig) + int sig; +{ +# ifdef BSD4_3 + return (sigsetmask(sigblock(0) & ~sigmask(sig)) & sigmask(sig)) != 0; +# else /* BSD4_3 */ +# ifdef ALTOS_SYSTEM_V + sigfunc_t handler; + + handler = sigset(sig, SIG_HOLD); + if (sigrelse(sig) < 0) + return -1; + else + return handler == SIG_HOLD; +# else /* ALTOS_SYSTEM_V */ + sigset_t sset, oset; + + (void) sigemptyset(&sset); + (void) sigaddset(&sset, sig); + if (sigprocmask(SIG_UNBLOCK, &sset, &oset) < 0) + return -1; + else + return sigismember(&oset, sig); +# endif /* ALTOS_SYSTEM_V */ +# endif /* BSD4_3 */ +} +/* +** PEND_SIGNAL -- Add a signal to the pending signal list +** +** Parameters: +** sig -- signal to add +** +** Returns: +** none. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +void +pend_signal(sig) + int sig; +{ + int sigbit; + int save_errno = errno; +#if SM_CONF_SETITIMER + struct itimerval clr; +#endif /* SM_CONF_SETITIMER */ + + /* + ** Don't want to interrupt something critical, hence delay + ** the alarm for one second. Hopefully, by then we + ** will be out of the critical section. If not, then + ** we will just delay again. The events to be run will + ** still all be run, maybe just a little bit late. + */ + + switch (sig) + { + case SIGHUP: + sigbit = PEND_SIGHUP; + break; + + case SIGINT: + sigbit = PEND_SIGINT; + break; + + case SIGTERM: + sigbit = PEND_SIGTERM; + break; + + case SIGUSR1: + sigbit = PEND_SIGUSR1; + break; + + case SIGALRM: + /* don't have to pend these */ + sigbit = 0; + break; + + default: + /* If we get here, we are in trouble */ + abort(); + + /* NOTREACHED */ + /* shut up stupid compiler warning on HP-UX 11 */ + sigbit = 0; + break; + } + + if (sigbit != 0) + PendingSignal |= sigbit; + (void) sm_signal(SIGALRM, sm_tick); +#if SM_CONF_SETITIMER + clr.it_interval.tv_sec = 0; + clr.it_interval.tv_usec = 0; + clr.it_value.tv_sec = 1; + clr.it_value.tv_usec = 0; + (void) setitimer(ITIMER_REAL, &clr, NULL); +#else /* SM_CONF_SETITIMER */ + (void) alarm(1); +#endif /* SM_CONF_SETITIMER */ + errno = save_errno; +} +/* +** SM_ALLSIGNALS -- act on all signals +** +** Parameters: +** block -- whether to block or release all signals. +** +** Returns: +** none. +*/ + +void +sm_allsignals(block) + bool block; +{ +# ifdef BSD4_3 +# ifndef sigmask +# define sigmask(s) (1 << ((s) - 1)) +# endif /* ! sigmask */ + if (block) + { + int mask = 0; + + mask |= sigmask(SIGALRM); + mask |= sigmask(SIGCHLD); + mask |= sigmask(SIGHUP); + mask |= sigmask(SIGINT); + mask |= sigmask(SIGTERM); + mask |= sigmask(SIGUSR1); + + (void) sigblock(mask); + } + else + sigsetmask(0); +# else /* BSD4_3 */ +# ifdef ALTOS_SYSTEM_V + if (block) + { + (void) sigset(SIGALRM, SIG_HOLD); + (void) sigset(SIGCHLD, SIG_HOLD); + (void) sigset(SIGHUP, SIG_HOLD); + (void) sigset(SIGINT, SIG_HOLD); + (void) sigset(SIGTERM, SIG_HOLD); + (void) sigset(SIGUSR1, SIG_HOLD); + } + else + { + (void) sigset(SIGALRM, SIG_DFL); + (void) sigset(SIGCHLD, SIG_DFL); + (void) sigset(SIGHUP, SIG_DFL); + (void) sigset(SIGINT, SIG_DFL); + (void) sigset(SIGTERM, SIG_DFL); + (void) sigset(SIGUSR1, SIG_DFL); + } +# else /* ALTOS_SYSTEM_V */ + sigset_t sset; + + (void) sigemptyset(&sset); + (void) sigaddset(&sset, SIGALRM); + (void) sigaddset(&sset, SIGCHLD); + (void) sigaddset(&sset, SIGHUP); + (void) sigaddset(&sset, SIGINT); + (void) sigaddset(&sset, SIGTERM); + (void) sigaddset(&sset, SIGUSR1); + (void) sigprocmask(block ? SIG_BLOCK : SIG_UNBLOCK, &sset, NULL); +# endif /* ALTOS_SYSTEM_V */ +# endif /* BSD4_3 */ +} +/* +** SM_SIGNAL_NOOP -- A signal no-op function +** +** Parameters: +** sig -- signal received +** +** Returns: +** SIGFUNC_RETURN +*/ + +/* ARGSUSED */ +SIGFUNC_DECL +sm_signal_noop(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, sm_signal_noop); + errno = save_errno; + return SIGFUNC_RETURN; +} + diff --git a/contrib/sendmail-8.13.4/libsm/smstdio.c b/contrib/sendmail-8.13.4/libsm/smstdio.c new file mode 100644 index 0000000000..27552e5f5f --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/smstdio.c @@ -0,0 +1,363 @@ +/* + * Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: smstdio.c,v 1.34 2004/08/03 20:46:34 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static void setup __P((SM_FILE_T *)); + +/* +** Overall: +** This is a file type which implements a layer on top of the system +** stdio. fp->f_cookie is the FILE* of stdio. The cookie may be +** "bound late" because of the manner which Linux implements stdio. +** When binding late (when fp->f_cookie==NULL) then the value of +** fp->f_ival is used (0, 1 or 2) to map to stdio's stdin, stdout or +** stderr. +*/ + +/* +** SM_STDIOOPEN -- open a file to system stdio implementation +** +** Parameters: +** fp -- file pointer assign for this open +** info -- info about file to open +** flags -- indicating method of opening +** rpool -- ignored +** +** Returns: +** Failure: -1 +** Success: 0 (zero) +*/ + +/* ARGSUSED3 */ +int +sm_stdioopen(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + register FILE *s; + char *stdiomode; + + switch (flags) + { + case SM_IO_RDONLY: + stdiomode = "r"; + break; + case SM_IO_WRONLY: + stdiomode = "w"; + break; + case SM_IO_APPEND: + stdiomode = "a"; + break; + case SM_IO_APPENDRW: + stdiomode = "a+"; + break; +#if SM_IO_BINARY != 0 + case SM_IO_RDONLY_B: + stdiomode = "rb"; + break; + case SM_IO_WRONLY_B: + stdiomode = "wb"; + break; + case SM_IO_APPEND_B: + stdiomode = "ab"; + break; + case SM_IO_APPENDRW_B: + stdiomode = "a+b"; + break; + case SM_IO_RDWR_B: + stdiomode = "r+b"; + break; +#endif /* SM_IO_BINARY != 0 */ + case SM_IO_RDWR: + default: + stdiomode = "r+"; + break; + } + + if ((s = fopen((char *)info, stdiomode)) == NULL) + return -1; + fp->f_cookie = s; + return 0; +} + +/* +** SETUP -- assign file type cookie when not already assigned +** +** Parameters: +** fp - the file pointer to get the cookie assigned +** +** Return: +** none. +*/ + +static void +setup(fp) + SM_FILE_T *fp; +{ + if (fp->f_cookie == NULL) + { + switch (fp->f_ival) + { + case 0: + fp->f_cookie = stdin; + break; + case 1: + fp->f_cookie = stdout; + break; + case 2: + fp->f_cookie = stderr; + break; + default: + sm_abort("fp->f_ival=%d: out of range (0...2)", fp->f_ival); + break; + } + } +} + +/* +** SM_STDIOREAD -- read from the file +** +** Parameters: +** fp -- the file pointer +** buf -- location to place the read data +** n - number of bytes to read +** +** Returns: +** result from fread(). +*/ + +ssize_t +sm_stdioread(fp, buf, n) + SM_FILE_T *fp; + char *buf; + size_t n; +{ + register FILE *s; + + if (fp->f_cookie == NULL) + setup(fp); + s = fp->f_cookie; + return fread(buf, 1, n, s); +} + +/* +** SM_STDIOWRITE -- write to the file +** +** Parameters: +** fp -- the file pointer +** buf -- location of data to write +** n - number of bytes to write +** +** Returns: +** result from fwrite(). +*/ + +ssize_t +sm_stdiowrite(fp, buf, n) + SM_FILE_T *fp; + char const *buf; + size_t n; +{ + register FILE *s; + + if (fp->f_cookie == NULL) + setup(fp); + s = fp->f_cookie; + return fwrite(buf, 1, n, s); +} + +/* +** SM_STDIOSEEK -- set position within file +** +** Parameters: +** fp -- the file pointer +** offset -- new location based on 'whence' +** whence -- indicates "base" for 'offset' +** +** Returns: +** result from fseek(). +*/ + +off_t +sm_stdioseek(fp, offset, whence) + SM_FILE_T *fp; + off_t offset; + int whence; +{ + register FILE *s; + + if (fp->f_cookie == NULL) + setup(fp); + s = fp->f_cookie; + return fseek(s, offset, whence); +} + +/* +** SM_STDIOCLOSE -- close the file +** +** Parameters: +** fp -- close file pointer +** +** Return: +** status from fclose() +*/ + +int +sm_stdioclose(fp) + SM_FILE_T *fp; +{ + register FILE *s; + + if (fp->f_cookie == NULL) + setup(fp); + s = fp->f_cookie; + return fclose(s); +} + +/* +** SM_STDIOSETINFO -- set info for this open file +** +** Parameters: +** fp -- the file pointer +** what -- type of information setting +** valp -- memory location of info to set +** +** Return: +** Failure: -1 and sets errno +** Success: none (currently). +*/ + +/* ARGSUSED2 */ +int +sm_stdiosetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch (what) + { + case SM_IO_WHAT_MODE: + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_STDIOGETINFO -- get info for this open file +** +** Parameters: +** fp -- the file pointer +** what -- type of information request +** valp -- memory location to place info +** +** Return: +** Failure: -1 and sets errno +** Success: none (currently). +*/ + +/* ARGSUSED2 */ +int +sm_stdiogetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch (what) + { + case SM_IO_WHAT_SIZE: + { + int fd; + struct stat st; + + if (fp->f_cookie == NULL) + setup(fp); + fd = fileno((FILE *) fp->f_cookie); + if (fd < 0) + return -1; + if (fstat(fd, &st) == 0) + return st.st_size; + else + return -1; + } + + case SM_IO_WHAT_MODE: + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_IO_STDIOOPEN -- create an SM_FILE which interfaces to a stdio FILE +** +** Parameters: +** stream -- an open stdio stream, as returned by fopen() +** mode -- the mode argument to fopen() which describes stream +** +** Return: +** On success, return a pointer to an SM_FILE object which +** can be used for reading and writing 'stream'. +** Abort if mode is gibberish or stream is bad. +** Raise an exception if we can't allocate memory. +*/ + +SM_FILE_T * +sm_io_stdioopen(stream, mode) + FILE *stream; + char *mode; +{ + int fd; + bool r, w; + int ioflags; + SM_FILE_T *fp; + + fd = fileno(stream); + SM_REQUIRE(fd >= 0); + + r = w = false; + switch (mode[0]) + { + case 'r': + r = true; + break; + case 'w': + case 'a': + w = true; + break; + default: + sm_abort("sm_io_stdioopen: mode '%s' is bad", mode); + } + if (strchr(&mode[1], '+') != NULL) + r = w = true; + if (r && w) + ioflags = SMRW; + else if (r) + ioflags = SMRD; + else + ioflags = SMWR; + + fp = sm_fp(SmFtRealStdio, ioflags, NULL); + fp->f_file = fd; + fp->f_cookie = stream; + return fp; +} diff --git a/contrib/sendmail-8.13.4/libsm/snprintf.c b/contrib/sendmail-8.13.4/libsm/snprintf.c new file mode 100644 index 0000000000..5ee3006e6e --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/snprintf.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: snprintf.c,v 1.23 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include +#include "local.h" + +/* +** SM_SNPRINTF -- format a string to a memory location of restricted size +** +** Parameters: +** str -- memory location to place formatted string +** n -- size of buffer pointed to by str, capped to +** a maximum of INT_MAX +** fmt -- the formatting directives +** ... -- the data to satisfy the formatting +** +** Returns: +** Failure: -1 +** Success: number of bytes that would have been written +** to str, not including the trailing '\0', +** up to a maximum of INT_MAX, as if there was +** no buffer size limitation. If the result >= n +** then the output was truncated. +** +** Side Effects: +** If n > 0, then between 0 and n-1 bytes of formatted output +** are written into 'str', followed by a '\0'. +*/ + +int +#if SM_VA_STD +sm_snprintf(char *str, size_t n, char const *fmt, ...) +#else /* SM_VA_STD */ +sm_snprintf(str, n, fmt, va_alist) + char *str; + size_t n; + char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + int ret; + SM_VA_LOCAL_DECL + SM_FILE_T fake; + + /* While snprintf(3) specifies size_t stdio uses an int internally */ + if (n > INT_MAX) + n = INT_MAX; + SM_VA_START(ap, fmt); + + /* XXX put this into a static? */ + fake.sm_magic = SmFileMagic; + fake.f_file = -1; + fake.f_flags = SMWR | SMSTR; + fake.f_cookie = &fake; + fake.f_bf.smb_base = fake.f_p = (unsigned char *)str; + fake.f_bf.smb_size = fake.f_w = n ? n - 1 : 0; + fake.f_timeout = SM_TIME_FOREVER; + fake.f_timeoutstate = SM_TIME_BLOCK; + fake.f_close = NULL; + fake.f_open = NULL; + fake.f_read = NULL; + fake.f_write = NULL; + fake.f_seek = NULL; + fake.f_setinfo = fake.f_getinfo = NULL; + fake.f_type = "sm_snprintf:fake"; + ret = sm_io_vfprintf(&fake, SM_TIME_FOREVER, fmt, ap); + if (n > 0) + *fake.f_p = '\0'; + SM_VA_END(ap); + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/sscanf.c b/contrib/sendmail-8.13.4/libsm/sscanf.c new file mode 100644 index 0000000000..168bcfdddd --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/sscanf.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: sscanf.c,v 1.25 2002/02/01 02:28:00 ca Exp $") +#include +#include +#include +#include "local.h" + +/* +** SM_EOFREAD -- dummy read function for faked file below +** +** Parameters: +** fp -- file pointer +** buf -- location to place read data +** len -- number of bytes to read +** +** Returns: +** 0 (zero) always +*/ + +static ssize_t +sm_eofread __P(( + SM_FILE_T *fp, + char *buf, + size_t len)); + +/* ARGSUSED0 */ +static ssize_t +sm_eofread(fp, buf, len) + SM_FILE_T *fp; + char *buf; + size_t len; +{ + return 0; +} + +/* +** SM_IO_SSCANF -- scan a string to find data units +** +** Parameters: +** str -- strings containing data +** fmt -- format directive for finding data units +** ... -- memory locations to place format found data units +** +** Returns: +** Failure: SM_IO_EOF +** Success: number of data units found +** +** Side Effects: +** Attempts to strlen() 'str'; if not a '\0' terminated string +** then the call may SEGV/fail. +** Faking the string 'str' as a file. +*/ + +int +#if SM_VA_STD +sm_io_sscanf(const char *str, char const *fmt, ...) +#else /* SM_VA_STD */ +sm_io_sscanf(str, fmt, va_alist) + const char *str; + char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + int ret; + SM_FILE_T fake; + SM_VA_LOCAL_DECL + + fake.sm_magic = SmFileMagic; + fake.f_flags = SMRD; + fake.f_bf.smb_base = fake.f_p = (unsigned char *) str; + fake.f_bf.smb_size = fake.f_r = strlen(str); + fake.f_file = -1; + fake.f_read = sm_eofread; + fake.f_write = NULL; + fake.f_close = NULL; + fake.f_open = NULL; + fake.f_seek = NULL; + fake.f_setinfo = fake.f_getinfo = NULL; + fake.f_type = "sm_io_sscanf:fake"; + fake.f_flushfp = NULL; + fake.f_ub.smb_base = NULL; + fake.f_timeout = SM_TIME_FOREVER; + fake.f_timeoutstate = SM_TIME_BLOCK; + SM_VA_START(ap, fmt); + ret = sm_vfscanf(&fake, SM_TIME_FOREVER, fmt, ap); + SM_VA_END(ap); + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/stdio.c b/contrib/sendmail-8.13.4/libsm/stdio.c new file mode 100644 index 0000000000..345a62c38b --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/stdio.c @@ -0,0 +1,519 @@ +/* + * Copyright (c) 2000-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: stdio.c,v 1.69 2004/08/03 20:46:34 ca Exp $") +#include +#include +#include +#include /* FreeBSD: FD_ZERO needs */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static int sm_stdsetmode __P((SM_FILE_T *, const int *)); +static int sm_stdgetmode __P((SM_FILE_T *, int *)); + +/* +** Overall: +** Small standard I/O/seek/close functions. +** These maintain the `known seek offset' for seek optimization. +*/ + +/* +** SM_STDOPEN -- open a file with stdio behavior +** +** Not associated with the system's stdio in libc. +** +** Parameters: +** fp -- file pointer to be associated with the open +** info -- pathname of the file to be opened +** flags -- indicates type of access methods +** rpool -- ignored +** +** Returns: +** Failure: -1 and set errno +** Success: 0 or greater (fd of file from open(2)). +** +*/ + +/* ARGSUSED3 */ +int +sm_stdopen(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + char *path = (char *) info; + int oflags; + + switch (SM_IO_MODE(flags)) + { + case SM_IO_RDWR: + oflags = O_RDWR; + break; + case SM_IO_RDWRTR: + oflags = O_RDWR | O_CREAT | O_TRUNC; + break; + case SM_IO_RDONLY: + oflags = O_RDONLY; + break; + case SM_IO_WRONLY: + oflags = O_WRONLY | O_CREAT | O_TRUNC; + break; + case SM_IO_APPEND: + oflags = O_APPEND | O_WRONLY | O_CREAT; + break; + case SM_IO_APPENDRW: + oflags = O_APPEND | O_RDWR | O_CREAT; + break; + default: + errno = EINVAL; + return -1; + } +#ifdef O_BINARY + if (SM_IS_BINARY(flags)) + oflags |= O_BINARY; +#endif /* O_BINARY */ + fp->f_file = open(path, oflags, + S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); + if (fp->f_file < 0) + return -1; /* errno set by open() */ + + if (oflags & O_APPEND) + (void) (*fp->f_seek)((void *)fp, (off_t)0, SEEK_END); + + return fp->f_file; +} + +/* +** SM_STDREAD -- read from the file +** +** Parameters: +** fp -- file pointer to read from +** buf -- location to place read data +** n -- number of bytes to read +** +** Returns: +** Failure: -1 and sets errno +** Success: number of bytes read +** +** Side Effects: +** Updates internal offset into file. +*/ + +ssize_t +sm_stdread(fp, buf, n) + SM_FILE_T *fp; + char *buf; + size_t n; +{ + register int ret; + + ret = read(fp->f_file, buf, n); + + /* if the read succeeded, update the current offset */ + if (ret > 0) + fp->f_lseekoff += ret; + return ret; +} + +/* +** SM_STDWRITE -- write to the file +** +** Parameters: +** fp -- file pointer ro write to +** buf -- location of data to be written +** n - number of bytes to write +** +** Returns: +** Failure: -1 and sets errno +** Success: number of bytes written +*/ + +ssize_t +sm_stdwrite(fp, buf, n) + SM_FILE_T *fp; + char const *buf; + size_t n; +{ + return write(fp->f_file, buf, n); +} + +/* +** SM_STDSEEK -- set the file offset position +** +** Parmeters: +** fp -- file pointer to position +** offset -- how far to position from "base" (set by 'whence') +** whence -- indicates where the "base" of the 'offset' to start +** +** Results: +** Failure: -1 and sets errno +** Success: the current offset +** +** Side Effects: +** Updates the internal value of the offset. +*/ + +off_t +sm_stdseek(fp, offset, whence) + SM_FILE_T *fp; + off_t offset; + int whence; +{ + register off_t ret; + + ret = lseek(fp->f_file, (off_t) offset, whence); + if (ret != (off_t) -1) + fp->f_lseekoff = ret; + return ret; +} + +/* +** SM_STDCLOSE -- close the file +** +** Parameters: +** fp -- the file pointer to close +** +** Returns: +** Success: 0 (zero) +** Failure: -1 and sets errno +*/ + +int +sm_stdclose(fp) + SM_FILE_T *fp; +{ + return close(fp->f_file); +} + +/* +** SM_STDSETMODE -- set the access mode for the file +** +** Called by sm_stdsetinfo(). +** +** Parameters: +** fp -- file pointer +** mode -- new mode to set the file access to +** +** Results: +** Success: 0 (zero); +** Failure: -1 and sets errno +*/ + +int +sm_stdsetmode(fp, mode) + SM_FILE_T *fp; + const int *mode; +{ + int flags = 0; + + switch (SM_IO_MODE(*mode)) + { + case SM_IO_RDWR: + flags |= SMRW; + break; + case SM_IO_RDONLY: + flags |= SMRD; + break; + case SM_IO_WRONLY: + flags |= SMWR; + break; + case SM_IO_APPEND: + default: + errno = EINVAL; + return -1; + } + fp->f_flags = fp->f_flags & ~SMMODEMASK; + fp->f_flags |= flags; + return 0; +} + +/* +** SM_STDGETMODE -- for getinfo determine open mode +** +** Called by sm_stdgetinfo(). +** +** Parameters: +** fp -- the file mode being determined +** mode -- internal mode to map to external value +** +** Results: +** Failure: -1 and sets errno +** Success: external mode value +*/ + +static int +sm_stdgetmode(fp, mode) + SM_FILE_T *fp; + int *mode; +{ + switch (fp->f_flags & SMMODEMASK) + { + case SMRW: + *mode = SM_IO_RDWR; + break; + case SMRD: + *mode = SM_IO_RDONLY; + break; + case SMWR: + *mode = SM_IO_WRONLY; + break; + default: + errno = EINVAL; + return -1; + } + return 0; +} + +/* +** SM_STDSETINFO -- set/modify information for a file +** +** Parameters: +** fp -- file to set info for +** what -- type of info to set +** valp -- location of data used for setting +** +** Returns: +** Failure: -1 and sets errno +** Success: >=0 +*/ + +int +sm_stdsetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch (what) + { + case SM_IO_WHAT_MODE: + return sm_stdsetmode(fp, (const int *)valp); + + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_GETINFO -- get information about the open file +** +** Parameters: +** fp -- file to get info for +** what -- type of info to get +** valp -- location to place found info +** +** Returns: +** Success: may or may not place info in 'valp' depending +** on 'what' value, and returns values >=0. Return +** value may be the obtained info +** Failure: -1 and sets errno +*/ + +int +sm_stdgetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch (what) + { + case SM_IO_WHAT_MODE: + return sm_stdgetmode(fp, (int *)valp); + + case SM_IO_WHAT_FD: + return fp->f_file; + + case SM_IO_WHAT_SIZE: + { + struct stat st; + + if (fstat(fp->f_file, &st) == 0) + return st.st_size; + else + return -1; + } + + case SM_IO_IS_READABLE: + { + fd_set readfds; + struct timeval timeout; + + if (SM_FD_SETSIZE > 0 && fp->f_file >= SM_FD_SETSIZE) + { + errno = EINVAL; + return -1; + } + FD_ZERO(&readfds); + SM_FD_SET(fp->f_file, &readfds); + timeout.tv_sec = 0; + timeout.tv_usec = 0; + if (select(fp->f_file + 1, FDSET_CAST &readfds, + NULL, NULL, &timeout) > 0 && + SM_FD_ISSET(fp->f_file, &readfds)) + return 1; + return 0; + } + + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_STDFDOPEN -- open file by primitive 'fd' rather than pathname +** +** I/O function to handle fdopen() stdio equivalence. The rest of +** the functions are the same as the sm_stdopen() above. +** +** Parameters: +** fp -- the file pointer to be associated with the open +** name -- the primitive file descriptor for association +** flags -- indicates type of access methods +** rpool -- ignored +** +** Results: +** Success: primitive file descriptor value +** Failure: -1 and sets errno +*/ + +/* ARGSUSED3 */ +int +sm_stdfdopen(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + int oflags, tmp, fdflags, fd = *((int *) info); + + switch (SM_IO_MODE(flags)) + { + case SM_IO_RDWR: + oflags = O_RDWR | O_CREAT; + break; + case SM_IO_RDONLY: + oflags = O_RDONLY; + break; + case SM_IO_WRONLY: + oflags = O_WRONLY | O_CREAT | O_TRUNC; + break; + case SM_IO_APPEND: + oflags = O_APPEND | O_WRONLY | O_CREAT; + break; + case SM_IO_APPENDRW: + oflags = O_APPEND | O_RDWR | O_CREAT; + break; + default: + errno = EINVAL; + return -1; + } +#ifdef O_BINARY + if (SM_IS_BINARY(flags)) + oflags |= O_BINARY; +#endif /* O_BINARY */ + + /* Make sure the mode the user wants is a subset of the actual mode. */ + if ((fdflags = fcntl(fd, F_GETFL, 0)) < 0) + return -1; + tmp = fdflags & O_ACCMODE; + if (tmp != O_RDWR && (tmp != (oflags & O_ACCMODE))) + { + errno = EINVAL; + return -1; + } + fp->f_file = fd; + if (oflags & O_APPEND) + (void) (*fp->f_seek)(fp, (off_t)0, SEEK_END); + return fp->f_file; +} + +/* +** SM_IO_FOPEN -- open a file +** +** Same interface and semantics as the open() system call, +** except that it returns SM_FILE_T* instead of a file descriptor. +** +** Parameters: +** pathname -- path of file to open +** flags -- flags controlling the open +** ... -- option "mode" for opening the file +** +** Returns: +** Raises an exception on heap exhaustion. +** Returns NULL and sets errno if open() fails. +** Returns an SM_FILE_T pointer on success. +*/ + +SM_FILE_T * +#if SM_VA_STD +sm_io_fopen(char *pathname, int flags, ...) +#else /* SM_VA_STD */ +sm_io_fopen(pathname, flags, va_alist) + char *pathname; + int flags; + va_dcl +#endif /* SM_VA_STD */ +{ + MODE_T mode; + SM_FILE_T *fp; + int ioflags; + + if (flags & O_CREAT) + { + SM_VA_LOCAL_DECL + + SM_VA_START(ap, flags); + mode = (MODE_T) SM_VA_ARG(ap, int); + SM_VA_END(ap); + } + else + mode = 0; + + switch (flags & O_ACCMODE) + { + case O_RDONLY: + ioflags = SMRD; + break; + case O_WRONLY: + ioflags = SMWR; + break; + case O_RDWR: + ioflags = SMRW; + break; + default: + sm_abort("sm_io_fopen: bad flags 0%o", flags); + } + + fp = sm_fp(SmFtStdio, ioflags, NULL); + fp->f_file = open(pathname, flags, mode); + if (fp->f_file == -1) + { + fp->f_flags = 0; + fp->sm_magic = NULL; + return NULL; + } + return fp; +} diff --git a/contrib/sendmail-8.13.4/libsm/strcasecmp.c b/contrib/sendmail-8.13.4/libsm/strcasecmp.c new file mode 100644 index 0000000000..15f5ce8f87 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strcasecmp.c @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1987, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: strcasecmp.c,v 1.15 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include + +/* +** SM_STRCASECMP -- 8-bit clean version of strcasecmp +** +** Thank you, vendors, for making this all necessary. +*/ + +/* +** This array is designed for mapping upper and lower case letter +** together for a case independent comparison. The mappings are +** based upon ascii character sequences. +*/ + +const unsigned char charmap[] = +{ + 0000, 0001, 0002, 0003, 0004, 0005, 0006, 0007, + 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017, + 0020, 0021, 0022, 0023, 0024, 0025, 0026, 0027, + 0030, 0031, 0032, 0033, 0034, 0035, 0036, 0037, + 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047, + 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057, + 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, + 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077, + 0100, 0141, 0142, 0143, 0144, 0145, 0146, 0147, + 0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157, + 0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167, + 0170, 0171, 0172, 0133, 0134, 0135, 0136, 0137, + 0140, 0141, 0142, 0143, 0144, 0145, 0146, 0147, + 0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157, + 0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167, + 0170, 0171, 0172, 0173, 0174, 0175, 0176, 0177, + 0200, 0201, 0202, 0203, 0204, 0205, 0206, 0207, + 0210, 0211, 0212, 0213, 0214, 0215, 0216, 0217, + 0220, 0221, 0222, 0223, 0224, 0225, 0226, 0227, + 0230, 0231, 0232, 0233, 0234, 0235, 0236, 0237, + 0240, 0241, 0242, 0243, 0244, 0245, 0246, 0247, + 0250, 0251, 0252, 0253, 0254, 0255, 0256, 0257, + 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, + 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, + 0300, 0301, 0302, 0303, 0304, 0305, 0306, 0307, + 0310, 0311, 0312, 0313, 0314, 0315, 0316, 0317, + 0320, 0321, 0322, 0323, 0324, 0325, 0326, 0327, + 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, + 0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347, + 0350, 0351, 0352, 0353, 0354, 0355, 0356, 0357, + 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, + 0370, 0371, 0372, 0373, 0374, 0375, 0376, 0377, +}; + +int +sm_strcasecmp(s1, s2) + const char *s1, *s2; +{ + const unsigned char *us1 = (const unsigned char *)s1; + const unsigned char *us2 = (const unsigned char *)s2; + + while (charmap[*us1] == charmap[*us2]) + { + if (*us1 == '\0') + return 0; + ++us1; + ++us2; + } + return charmap[*us1] - charmap[*us2]; +} + +int +sm_strncasecmp(s1, s2, n) + const char *s1, *s2; + register size_t n; +{ + if (n != 0) + { + register const unsigned char *cm = charmap; + register const unsigned char *us1 = (const unsigned char *)s1; + register const unsigned char *us2 = (const unsigned char *)s2; + + do + { + if (cm[*us1] != cm[*us2++]) + return (cm[*us1] - cm[*--us2]); + if (*us1++ == '\0') + break; + } while (--n != 0); + } + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/strdup.c b/contrib/sendmail-8.13.4/libsm/strdup.c new file mode 100644 index 0000000000..7094275e04 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strdup.c @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2000-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: strdup.c,v 1.15 2003/10/10 17:56:57 ca Exp $") + +#include +#include + +/* +** SM_STRNDUP_X -- Duplicate a string of a given length +** +** Allocates memory and copies source string (of given length) into it. +** +** Parameters: +** s -- string to copy. +** n -- length to copy. +** +** Returns: +** copy of string, raises exception if out of memory. +** +** Side Effects: +** allocate memory for new string. +*/ + +char * +sm_strndup_x(s, n) + const char *s; + size_t n; +{ + char *d = sm_malloc_x(n + 1); + + (void) memcpy(d, s, n); + d[n] = '\0'; + return d; +} + +/* +** SM_STRDUP -- Duplicate a string +** +** Allocates memory and copies source string into it. +** +** Parameters: +** s -- string to copy. +** +** Returns: +** copy of string, NULL if out of memory. +** +** Side Effects: +** allocate memory for new string. +*/ + +char * +sm_strdup(s) + char *s; +{ + size_t l; + char *d; + + l = strlen(s) + 1; + d = sm_malloc_tagged(l, "sm_strdup", 0, sm_heap_group()); + if (d != NULL) + (void) sm_strlcpy(d, s, l); + return d; +} + +#if DO_NOT_USE_STRCPY + +/* +** SM_STRDUP_X -- Duplicate a string +** +** Allocates memory and copies source string into it. +** +** Parameters: +** s -- string to copy. +** +** Returns: +** copy of string, exception if out of memory. +** +** Side Effects: +** allocate memory for new string. +*/ + +char * +sm_strdup_x(s) + const char *s; +{ + size_t l; + char *d; + + l = strlen(s) + 1; + d = sm_malloc_tagged_x(l, "sm_strdup_x", 0, sm_heap_group()); + (void) sm_strlcpy(d, s, l); + return d; +} + +/* +** SM_PSTRDUP_X -- Duplicate a string (using "permanent" memory) +** +** Allocates memory and copies source string into it. +** +** Parameters: +** s -- string to copy. +** +** Returns: +** copy of string, exception if out of memory. +** +** Side Effects: +** allocate memory for new string. +*/ + +char * +sm_pstrdup_x(s) + const char *s; +{ + size_t l; + char *d; + + l = strlen(s) + 1; + d = sm_pmalloc_x(l); + (void) sm_strlcpy(d, s, l); + return d; +} + +/* +** SM_STRDUP_X -- Duplicate a string +** +** Allocates memory and copies source string into it. +** +** Parameters: +** s -- string to copy. +** file -- name of source file +** line -- line in source file +** group -- heap group +** +** Returns: +** copy of string, exception if out of memory. +** +** Side Effects: +** allocate memory for new string. +*/ + +char * +sm_strdup_tagged_x(s, file, line, group) + const char *s; + char *file; + int line, group; +{ + size_t l; + char *d; + + l = strlen(s) + 1; + d = sm_malloc_tagged_x(l, file, line, group); + (void) sm_strlcpy(d, s, l); + return d; +} + +#endif /* DO_NOT_USE_STRCPY */ + diff --git a/contrib/sendmail-8.13.4/libsm/strerror.c b/contrib/sendmail-8.13.4/libsm/strerror.c new file mode 100644 index 0000000000..ffdfb2182b --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strerror.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: strerror.c,v 1.23 2001/09/11 04:04:49 gshapiro Exp $") + +/* +** define strerror for platforms that lack it. +*/ + +#include +#include /* sys_errlist, on some platforms */ + +#include /* sm_snprintf */ +#include +#include +#include + +#if !defined(ERRLIST_PREDEFINED) +extern char *sys_errlist[]; +extern int sys_nerr; +#endif /* !defined(ERRLIST_PREDEFINED) */ + +#if !HASSTRERROR + +/* +** STRERROR -- return error message string corresponding to an error number. +** +** Parameters: +** err -- error number. +** +** Returns: +** Error string (might be pointer to static buffer). +*/ + +char * +strerror(err) + int err; +{ + static char buf[64]; + + if (err >= 0 && err < sys_nerr) + return (char *) sys_errlist[err]; + else + { + (void) sm_snprintf(buf, sizeof(buf), "Error %d", err); + return buf; + } +} +#endif /* !HASSTRERROR */ diff --git a/contrib/sendmail-8.13.4/libsm/strexit.c b/contrib/sendmail-8.13.4/libsm/strexit.c new file mode 100644 index 0000000000..0f2cdfc6cd --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strexit.c @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: strexit.c,v 1.5 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include + +/* +** SM_STREXIT -- convert EX_* value from to a character string +** +** This function is analogous to strerror(), except that it +** operates on EX_* values from . +** +** Parameters: +** ex -- EX_* value +** +** Results: +** pointer to a static message string +*/ + +char * +sm_strexit(ex) + int ex; +{ + char *msg; + static char buf[64]; + + msg = sm_sysexitmsg(ex); + if (msg == NULL) + { + (void) sm_snprintf(buf, sizeof buf, "Unknown exit status %d", + ex); + msg = buf; + } + return msg; +} + +/* +** SM_SYSEXITMSG -- convert an EX_* value to a character string, or NULL +** +** Parameters: +** ex -- EX_* value +** +** Results: +** If ex is a known exit value, then a pointer to a static +** message string is returned. Otherwise NULL is returned. +*/ + +char * +sm_sysexitmsg(ex) + int ex; +{ + char *msg; + + msg = sm_sysexmsg(ex); + if (msg != NULL) + return &msg[11]; + else + return msg; +} + +/* +** SM_SYSEXMSG -- convert an EX_* value to a character string, or NULL +** +** Parameters: +** ex -- EX_* value +** +** Results: +** If ex is a known exit value, then a pointer to a static +** string is returned. Otherwise NULL is returned. +** The string contains the following fixed width fields: +** [0] ':' if there is an errno value associated with this +** exit value, otherwise ' '. +** [1,3] 3 digit SMTP error code +** [4] ' ' +** [5,9] 3 digit SMTP extended error code +** [10] ' ' +** [11,] message string +*/ + +char * +sm_sysexmsg(ex) + int ex; +{ + switch (ex) + { + case EX_USAGE: + return " 500 5.0.0 Command line usage error"; + case EX_DATAERR: + return " 501 5.6.0 Data format error"; + case EX_NOINPUT: + return ":550 5.3.0 Cannot open input"; + case EX_NOUSER: + return " 550 5.1.1 User unknown"; + case EX_NOHOST: + return " 550 5.1.2 Host unknown"; + case EX_UNAVAILABLE: + return " 554 5.0.0 Service unavailable"; + case EX_SOFTWARE: + return ":554 5.3.0 Internal error"; + case EX_OSERR: + return ":451 4.0.0 Operating system error"; + case EX_OSFILE: + return ":554 5.3.5 System file missing"; + case EX_CANTCREAT: + return ":550 5.0.0 Can't create output"; + case EX_IOERR: + return ":451 4.0.0 I/O error"; + case EX_TEMPFAIL: + return " 450 4.0.0 Deferred"; + case EX_PROTOCOL: + return " 554 5.5.0 Remote protocol error"; + case EX_NOPERM: + return ":550 5.0.0 Insufficient permission"; + case EX_CONFIG: + return " 554 5.3.5 Local configuration error"; + default: + return NULL; + } +} diff --git a/contrib/sendmail-8.13.4/libsm/string.c b/contrib/sendmail-8.13.4/libsm/string.c new file mode 100644 index 0000000000..b0b6975699 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/string.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: string.c,v 1.3 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include + +#include + +/* +** STRIPQUOTES -- Strip quotes & quote bits from a string. +** +** Runs through a string and strips off unquoted quote +** characters and quote bits. This is done in place. +** +** Parameters: +** s -- the string to strip. +** +** Returns: +** none. +** +** Side Effects: +** none. +*/ + +void +stripquotes(s) + char *s; +{ + register char *p; + register char *q; + register char c; + + if (s == NULL) + return; + + p = q = s; + do + { + c = *p++; + if (c == '\\') + c = *p++; + else if (c == '"') + continue; + *q++ = c; + } while (c != '\0'); +} diff --git a/contrib/sendmail-8.13.4/libsm/stringf.c b/contrib/sendmail-8.13.4/libsm/stringf.c new file mode 100644 index 0000000000..b6a7f66356 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/stringf.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: stringf.c,v 1.15 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include +#include +#include +#include + +/* +** SM_STRINGF_X -- printf() to dynamically allocated string. +** +** Takes the same arguments as printf. +** It returns a pointer to a dynamically allocated string +** containing the text that printf would print to standard output. +** It raises an exception on error. +** The name comes from a PWB Unix function called stringf. +** +** Parameters: +** fmt -- format string. +** ... -- arguments for format. +** +** Returns: +** Pointer to a dynamically allocated string. +** +** Exceptions: +** F:sm_heap -- out of memory (via sm_vstringf_x()). +*/ + +char * +#if SM_VA_STD +sm_stringf_x(const char *fmt, ...) +#else /* SM_VA_STD */ +sm_stringf_x(fmt, va_alist) + const char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + SM_VA_LOCAL_DECL + char *s; + + SM_VA_START(ap, fmt); + s = sm_vstringf_x(fmt, ap); + SM_VA_END(ap); + return s; +} + +/* +** SM_VSTRINGF_X -- printf() to dynamically allocated string. +** +** Parameters: +** fmt -- format string. +** ap -- arguments for format. +** +** Returns: +** Pointer to a dynamically allocated string. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +char * +sm_vstringf_x(fmt, ap) + const char *fmt; + SM_VA_LOCAL_DECL +{ + char *s; + + sm_vasprintf(&s, fmt, ap); + if (s == NULL) + { + if (errno == ENOMEM) + sm_exc_raise_x(&SmHeapOutOfMemory); + sm_exc_raisenew_x(&SmEtypeOs, errno, "sm_vasprintf", NULL); + } + return s; +} diff --git a/contrib/sendmail-8.13.4/libsm/strio.c b/contrib/sendmail-8.13.4/libsm/strio.c new file mode 100644 index 0000000000..9f1f4afd21 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strio.c @@ -0,0 +1,490 @@ +/* + * Copyright (c) 2000-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: strio.c,v 1.43 2004/08/03 20:48:30 ca Exp $") +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static int sm_strsetmode __P((SM_FILE_T*, const int *)); +static int sm_strgetmode __P((SM_FILE_T*, int *)); + +/* +** Cookie structure for the "strio" file type +*/ + +struct sm_str_obj +{ + char *strio_base; + char *strio_end; + size_t strio_size; + size_t strio_offset; + int strio_flags; + const void *strio_rpool; +}; + +typedef struct sm_str_obj SM_STR_OBJ_T; + +/* +** SM_STRGROW -- increase storage space for string +** +** Parameters: +** s -- current cookie +** size -- new storage size request +** +** Returns: +** true iff successful. +*/ + +static bool sm_strgrow __P((SM_STR_OBJ_T *, size_t)); + +static bool +sm_strgrow(s, size) + SM_STR_OBJ_T *s; + size_t size; +{ + register void *p; + + if (s->strio_size >= size) + return true; + p = sm_realloc(s->strio_base, size); + if (p == NULL) + return false; + s->strio_base = p; + s->strio_end = s->strio_base + size; + s->strio_size = size; + return true; +} + +/* +** SM_STRREAD -- read a portion of the string +** +** Parameters: +** fp -- the file pointer +** buf -- location to place read data +** n -- number of bytes to read +** +** Returns: +** Failure: -1 and sets errno +** Success: >=0, number of bytes read +*/ + +ssize_t +sm_strread(fp, buf, n) + SM_FILE_T *fp; + char *buf; + size_t n; +{ + register SM_STR_OBJ_T *s = fp->f_cookie; + int len; + + if (!(s->strio_flags & SMRD) && !(s->strio_flags & SMRW)) + { + errno = EBADF; + return -1; + } + len = SM_MIN(s->strio_size - s->strio_offset, n); + (void) memmove(buf, s->strio_base + s->strio_offset, len); + s->strio_offset += len; + return len; +} + +/* +** SM_STRWRITE -- write a portion of the string +** +** Parameters: +** fp -- the file pointer +** buf -- location of data for writing +** n -- number of bytes to write +** +** Returns: +** Failure: -1 and sets errno +** Success: >=0, number of bytes written +*/ + +ssize_t +sm_strwrite(fp, buf, n) + SM_FILE_T *fp; + char const *buf; + size_t n; +{ + register SM_STR_OBJ_T *s = fp->f_cookie; + + if (!(s->strio_flags & SMWR) && !(s->strio_flags & SMRW)) + { + errno = EBADF; + return -1; + } + if (n + s->strio_offset > s->strio_size) + { + if (!sm_strgrow(s, n + s->strio_offset)) + return 0; + } + (void) memmove(s->strio_base + s->strio_offset, buf, n); + s->strio_offset += n; + return n; +} + +/* +** SM_STRSEEK -- position the offset pointer for the string +** +** Only SM_IO_SEEK_SET, SM_IO_SEEK_CUR and SM_IO_SEEK_END are valid +** values for whence. +** +** Parameters: +** fp -- the file pointer +** offset -- number of bytes offset from "base" +** whence -- determines "base" for 'offset' +** +** Returns: +** Failure: -1 and sets errno +** Success: >=0, number of bytes read +*/ + +off_t +sm_strseek(fp, offset, whence) + SM_FILE_T *fp; + off_t offset; + int whence; +{ + register off_t ret; + register SM_STR_OBJ_T *s = fp->f_cookie; + +reseek: + switch (whence) + { + case SM_IO_SEEK_SET: + ret = offset; + break; + case SM_IO_SEEK_CUR: + ret = s->strio_offset + offset; + break; + case SM_IO_SEEK_END: + ret = s->strio_size; + break; + default: + errno = EINVAL; + return -1; + } + if (ret < 0 || ret > (off_t)(size_t)(-1)) /* XXX ugly */ + return -1; + if ((size_t) ret > s->strio_size) + { + if (sm_strgrow(s, (size_t)ret)) + goto reseek; + + /* errno set by sm_strgrow */ + return -1; + } + s->strio_offset = (size_t) ret; + return ret; +} + +/* +** SM_STROPEN -- open a string file type +** +** Parameters: +** fp -- file pointer open to be associated with +** info -- initial contents (NULL for none) +** flags -- flags for methods of access (was mode) +** rpool -- resource pool to use memory from (if applicable) +** +** Results: +** Success: 0 (zero) +** Failure: -1 and sets errno +*/ + +int +sm_stropen(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + register SM_STR_OBJ_T *s; + +#if SM_RPOOL + s = sm_rpool_malloc_x(rpool, sizeof(SM_STR_OBJ_T)); +#else /* SM_RPOOL */ + s = sm_malloc(sizeof(SM_STR_OBJ_T)); + if (s == NULL) + return -1; +#endif /* SM_RPOOL */ + + fp->f_cookie = s; + s->strio_rpool = rpool; + s->strio_offset = 0; + s->strio_size = 0; + s->strio_base = NULL; + s->strio_end = 0; + + switch (flags) + { + case SM_IO_RDWR: + s->strio_flags = SMRW; + break; + case SM_IO_RDONLY: + s->strio_flags = SMRD; + break; + case SM_IO_WRONLY: + s->strio_flags = SMWR; + break; + case SM_IO_APPEND: + if (s->strio_rpool == NULL) + sm_free(s); + errno = EINVAL; + return -1; + default: + if (s->strio_rpool == NULL) + sm_free(s); + errno = EINVAL; + return -1; + } + + if (info != NULL) + { + s->strio_base = sm_strdup_x(info); + if (s->strio_base == NULL) + { + int save_errno = errno; + + if (s->strio_rpool == NULL) + sm_free(s); + errno = save_errno; + return -1; + } + s->strio_size = strlen(info); + s->strio_end = s->strio_base + s->strio_size; + } + return 0; +} + +/* +** SM_STRCLOSE -- close the string file type and free resources +** +** Parameters: +** fp -- file pointer +** +** Results: +** Success: 0 (zero) +*/ + +int +sm_strclose(fp) + SM_FILE_T *fp; +{ + SM_STR_OBJ_T *s = fp->f_cookie; + +#if !SM_RPOOL + sm_free(s->strio_base); + s->strio_base = NULL; +#endif /* !SM_RPOOL */ + return 0; +} + +/* +** SM_STRSETMODE -- set mode info for the file +** +** Note: changing the mode can be a safe way to have the "parent" +** set up a string that the "child" is not to modify +** +** Parameters: +** fp -- the file pointer +** mode -- location of new mode to set +** +** Results: +** Success: 0 (zero) +** Failure: -1 and sets errno +*/ + +static int +sm_strsetmode(fp, mode) + SM_FILE_T *fp; + const int *mode; +{ + register SM_STR_OBJ_T *s = fp->f_cookie; + int flags; + + switch (*mode) + { + case SM_IO_RDWR: + flags = SMRW; + break; + case SM_IO_RDONLY: + flags = SMRD; + break; + case SM_IO_WRONLY: + flags = SMWR; + break; + case SM_IO_APPEND: + errno = EINVAL; + return -1; + default: + errno = EINVAL; + return -1; + } + s->strio_flags &= ~SMMODEMASK; + s->strio_flags |= flags; + return 0; +} + +/* +** SM_STRGETMODE -- get mode info for the file +** +** Parameters: +** fp -- the file pointer +** mode -- location to store current mode +** +** Results: +** Success: 0 (zero) +** Failure: -1 and sets errno +*/ + +int +sm_strgetmode(fp, mode) + SM_FILE_T *fp; + int *mode; +{ + register SM_STR_OBJ_T *s = fp->f_cookie; + + switch (s->strio_flags & SMMODEMASK) + { + case SMRW: + *mode = SM_IO_RDWR; + break; + case SMRD: + *mode = SM_IO_RDONLY; + break; + case SMWR: + *mode = SM_IO_WRONLY; + break; + default: + errno = EINVAL; + return -1; + } + return 0; +} + +/* +** SM_STRSETINFO -- set info for the file +** +** Currently only SM_IO_WHAT_MODE is supported for 'what'. +** +** Parameters: +** fp -- the file pointer +** what -- type of information to set +** valp -- location to data for doing set +** +** Results: +** Failure: -1 and sets errno +** Success: sm_strsetmode() return [0 (zero)] +*/ + +int +sm_strsetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch(what) + { + case SM_IO_WHAT_MODE: + return sm_strsetmode(fp, (int *) valp); + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_STRGETINFO -- get info for the file +** +** Currently only SM_IO_WHAT_MODE is supported for 'what'. +** +** Parameters: +** fp -- the file pointer +** what -- type of information requested +** valp -- location to return information in +** +** Results: +** Failure: -1 and sets errno +** Success: sm_strgetmode() return [0 (zero)] +*/ + +int +sm_strgetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch(what) + { + case SM_IO_WHAT_MODE: + return sm_strgetmode(fp, (int *) valp); + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_STRIO_INIT -- initializes a write-only string type +** +** Original comments below. This function does not appear to be used anywhere. +** The same functionality can be done by changing the mode of the file. +** ------------ +** sm_strio_init initializes an SM_FILE_T structure as a write-only file +** that writes into the specified buffer: +** - Use sm_io_putc, sm_io_fprintf, etc, to write into the buffer. +** Attempts to write more than size-1 characters into the buffer will fail +** silently (no error is reported). +** - Use sm_io_fflush to nul terminate the string in the buffer +** (the write pointer is not advanced). +** No memory is allocated either by sm_strio_init or by sm_io_{putc,write} etc. +** +** Parameters: +** fp -- file pointer +** buf -- memory location for stored data +** size -- size of 'buf' +** +** Results: +** none. +*/ + +void +sm_strio_init(fp, buf, size) + SM_FILE_T *fp; + char *buf; + size_t size; +{ + fp->sm_magic = SmFileMagic; + fp->f_flags = SMWR | SMSTR; + fp->f_file = -1; + fp->f_bf.smb_base = fp->f_p = (unsigned char *) buf; + fp->f_bf.smb_size = fp->f_w = (size ? size - 1 : 0); + fp->f_lbfsize = 0; + fp->f_r = 0; + fp->f_read = NULL; + fp->f_seek = NULL; + fp->f_getinfo = NULL; + fp->f_setinfo = NULL; +} diff --git a/contrib/sendmail-8.13.4/libsm/strl.c b/contrib/sendmail-8.13.4/libsm/strl.c new file mode 100644 index 0000000000..ec9a81be26 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strl.c @@ -0,0 +1,324 @@ +/* + * Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: strl.c,v 1.31 2002/01/20 01:41:25 gshapiro Exp $") +#include +#include + +/* +** Notice: this file is used by libmilter. Please try to avoid +** using libsm specific functions. +*/ + +/* +** XXX the type of the length parameter has been changed +** from size_t to ssize_t to avoid theoretical problems with negative +** numbers passed into these functions. +** The real solution to this problem is to make sure that this doesn't +** happen, but for now we'll use this workaround. +*/ + +/* +** SM_STRLCPY -- size bounded string copy +** +** This is a bounds-checking variant of strcpy. +** If size > 0, copy up to size-1 characters from the nul terminated +** string src to dst, nul terminating the result. If size == 0, +** the dst buffer is not modified. +** Additional note: this function has been "tuned" to run fast and tested +** as such (versus versions in some OS's libc). +** +** The result is strlen(src). You can detect truncation (not all +** of the characters in the source string were copied) using the +** following idiom: +** +** char *s, buf[BUFSIZ]; +** ... +** if (sm_strlcpy(buf, s, sizeof(buf)) >= sizeof(buf)) +** goto overflow; +** +** Parameters: +** dst -- destination buffer +** src -- source string +** size -- size of destination buffer +** +** Returns: +** strlen(src) +*/ + +size_t +sm_strlcpy(dst, src, size) + register char *dst; + register const char *src; + ssize_t size; +{ + register ssize_t i; + + if (size-- <= 0) + return strlen(src); + for (i = 0; i < size && (dst[i] = src[i]) != 0; i++) + continue; + dst[i] = '\0'; + if (src[i] == '\0') + return i; + else + return i + strlen(src + i); +} + +/* +** SM_STRLCAT -- size bounded string concatenation +** +** This is a bounds-checking variant of strcat. +** If strlen(dst) < size, then append at most size - strlen(dst) - 1 +** characters from the source string to the destination string, +** nul terminating the result. Otherwise, dst is not modified. +** +** The result is the initial length of dst + the length of src. +** You can detect overflow (not all of the characters in the +** source string were copied) using the following idiom: +** +** char *s, buf[BUFSIZ]; +** ... +** if (sm_strlcat(buf, s, sizeof(buf)) >= sizeof(buf)) +** goto overflow; +** +** Parameters: +** dst -- nul-terminated destination string buffer +** src -- nul-terminated source string +** size -- size of destination buffer +** +** Returns: +** total length of the string tried to create +** (= initial length of dst + length of src) +*/ + +size_t +sm_strlcat(dst, src, size) + register char *dst; + register const char *src; + ssize_t size; +{ + register ssize_t i, j, o; + + o = strlen(dst); + if (size < o + 1) + return o + strlen(src); + size -= o + 1; + for (i = 0, j = o; i < size && (dst[j] = src[i]) != 0; i++, j++) + continue; + dst[j] = '\0'; + if (src[i] == '\0') + return j; + else + return j + strlen(src + i); +} +/* +** SM_STRLCAT2 -- append two strings to dst obeying length and +** '\0' terminate it +** +** strlcat2 will append at most len - strlen(dst) - 1 chars. +** terminates with '\0' if len > 0 +** dst = dst "+" src1 "+" src2 +** use this instead of sm_strlcat(dst,src1); sm_strlcat(dst,src2); +** for better speed. +** +** Parameters: +** dst -- "destination" string. +** src1 -- "from" string 1. +** src2 -- "from" string 2. +** len -- max. length of "destination" string. +** +** Returns: +** total length of the string tried to create +** (= initial length of dst + length of src) +** if this is greater than len then an overflow would have +** occurred. +** +*/ + +size_t +sm_strlcat2(dst, src1, src2, len) + register char *dst; + register const char *src1; + register const char *src2; + ssize_t len; +{ + register ssize_t i, j, o; + + /* current size of dst */ + o = strlen(dst); + + /* max. size is less than current? */ + if (len < o + 1) + return o + strlen(src1) + strlen(src2); + + len -= o + 1; /* space left in dst */ + + /* copy the first string; i: index in src1; j: index in dst */ + for (i = 0, j = o; i < len && (dst[j] = src1[i]) != 0; i++, j++) + continue; + + /* src1: end reached? */ + if (src1[i] != '\0') + { + /* no: terminate dst; there is space since i < len */ + dst[j] = '\0'; + return j + strlen(src1 + i) + strlen(src2); + } + + len -= i; /* space left in dst */ + + /* copy the second string; i: index in src2; j: index in dst */ + for (i = 0; i < len && (dst[j] = src2[i]) != 0; i++, j++) + continue; + dst[j] = '\0'; /* terminate dst; there is space since i < len */ + if (src2[i] == '\0') + return j; + else + return j + strlen(src2 + i); +} + +/* +** SM_STRLCPYN -- concatenate n strings and assign the result to dst +** while obeying length and '\0' terminate it +** +** dst = src1 "+" src2 "+" ... +** use this instead of sm_snprintf() for string values +** and repeated sm_strlc*() calls for better speed. +** +** Parameters: +** dst -- "destination" string. +** len -- max. length of "destination" string. +** n -- number of strings +** strings... +** +** Returns: +** total length of the string tried to create +** (= initial length of dst + length of src) +** if this is greater than len then an overflow would have +** occurred. +*/ + +size_t +#ifdef __STDC__ +sm_strlcpyn(char *dst, ssize_t len, int n, ...) +#else /* __STDC__ */ +sm_strlcpyn(dst, len, n, va_alist) + register char *dst; + ssize_t len; + int n; + va_dcl +#endif /* __STDC__ */ +{ + register ssize_t i, j; + char *str; + SM_VA_LOCAL_DECL + + SM_VA_START(ap, n); + + if (len-- <= 0) /* This allows space for the terminating '\0' */ + { + i = 0; + while (n-- > 0) + i += strlen(SM_VA_ARG(ap, char *)); + SM_VA_END(ap); + return i; + } + + j = 0; /* index in dst */ + + /* loop through all source strings */ + while (n-- > 0) + { + str = SM_VA_ARG(ap, char *); + + /* copy string; i: index in str; j: index in dst */ + for (i = 0; j < len && (dst[j] = str[i]) != 0; i++, j++) + continue; + + /* str: end reached? */ + if (str[i] != '\0') + { + /* no: terminate dst; there is space since j < len */ + dst[j] = '\0'; + j += strlen(str + i); + while (n-- > 0) + j += strlen(SM_VA_ARG(ap, char *)); + SM_VA_END(ap); + return j; + } + } + SM_VA_END(ap); + + dst[j] = '\0'; /* terminate dst; there is space since j < len */ + return j; +} + +#if 0 +/* +** SM_STRLAPP -- append string if it fits into buffer. +** +** If size > 0, copy up to size-1 characters from the nul terminated +** string src to dst, nul terminating the result. If size == 0, +** the dst buffer is not modified. +** +** This routine is useful for appending strings in a loop, e.g, instead of +** s = buf; +** for (ptr, ptr != NULL, ptr = next->ptr) +** { +** (void) sm_strlcpy(s, ptr->string, sizeof buf - (s - buf)); +** s += strlen(s); +** } +** replace the loop body with: +** if (!sm_strlapp(*s, ptr->string, sizeof buf - (s - buf))) +** break; +** it's faster... +** +** XXX interface isn't completely clear (yet), hence this code is +** not available. +** +** +** Parameters: +** dst -- (pointer to) destination buffer +** src -- source string +** size -- size of destination buffer +** +** Returns: +** true if strlen(src) < size +** +** Side Effects: +** modifies dst if append succeeds (enough space). +*/ + +bool +sm_strlapp(dst, src, size) + register char **dst; + register const char *src; + ssize_t size; +{ + register size_t i; + + if (size-- <= 0) + return false; + for (i = 0; i < size && ((*dst)[i] = src[i]) != '\0'; i++) + continue; + (*dst)[i] = '\0'; + if (src[i] == '\0') + { + *dst += i; + return true; + } + + /* undo */ + (*dst)[0] = '\0'; + return false; +} +#endif /* 0 */ diff --git a/contrib/sendmail-8.13.4/libsm/strrevcmp.c b/contrib/sendmail-8.13.4/libsm/strrevcmp.c new file mode 100644 index 0000000000..d0ed630eac --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strrevcmp.c @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: strrevcmp.c,v 1.5 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include + +/* strcasecmp.c */ +extern const unsigned char charmap[]; + +/* +** SM_STRREVCASECMP -- compare two strings starting at the end (ignore case) +** +** Parameters: +** s1 -- first string. +** s2 -- second string. +** +** Returns: +** strcasecmp(reverse(s1), reverse(s2)) +*/ + +int +sm_strrevcasecmp(s1, s2) + const char *s1, *s2; +{ + register int i1, i2; + + i1 = strlen(s1) - 1; + i2 = strlen(s2) - 1; + while (i1 >= 0 && i2 >= 0 && + charmap[(unsigned char) s1[i1]] == + charmap[(unsigned char) s2[i2]]) + { + --i1; + --i2; + } + if (i1 < 0) + { + if (i2 < 0) + return 0; + else + return -1; + } + else + { + if (i2 < 0) + return 1; + else + return (charmap[(unsigned char) s1[i1]] - + charmap[(unsigned char) s2[i2]]); + } +} +/* +** SM_STRREVCMP -- compare two strings starting at the end +** +** Parameters: +** s1 -- first string. +** s2 -- second string. +** +** Returns: +** strcmp(reverse(s1), reverse(s2)) +*/ + +int +sm_strrevcmp(s1, s2) + const char *s1, *s2; +{ + register int i1, i2; + + i1 = strlen(s1) - 1; + i2 = strlen(s2) - 1; + while (i1 >= 0 && i2 >= 0 && s1[i1] == s2[i2]) + { + --i1; + --i2; + } + if (i1 < 0) + { + if (i2 < 0) + return 0; + else + return -1; + } + else + { + if (i2 < 0) + return 1; + else + return s1[i1] - s2[i2]; + } +} diff --git a/contrib/sendmail-8.13.4/libsm/strto.c b/contrib/sendmail-8.13.4/libsm/strto.c new file mode 100644 index 0000000000..87e84bfeaa --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/strto.c @@ -0,0 +1,254 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1992 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: strto.c,v 1.18 2001/12/30 04:59:37 gshapiro Exp $") + +#include +#include +#include +#include +#include +#include +#include +#include + +/* +** SM_STRTOLL -- Convert a string to a (signed) long long integer. +** +** Ignores `locale' stuff. Assumes that the upper and lower case +** alphabets and digits are each contiguous. +** +** Parameters: +** nptr -- string containing number +** endptr -- location of first invalid character +** base -- numeric base that 'nptr' number is based in +** +** Returns: +** Failure: on underflow LLONG_MIN is returned; on overflow +** LLONG_MAX is returned and errno is set. +** When 'endptr' == '\0' then the entire string 'nptr' +** was valid. +** Success: returns the converted number +*/ + +LONGLONG_T +sm_strtoll(nptr, endptr, base) + const char *nptr; + char **endptr; + register int base; +{ + register bool neg; + register const char *s; + register LONGLONG_T acc, cutoff; + register int c; + register int any, cutlim; + + /* + ** Skip white space and pick up leading +/- sign if any. + ** If base is 0, allow 0x for hex and 0 for octal, else + ** assume decimal; if base is already 16, allow 0x. + */ + + s = nptr; + do + { + c = (unsigned char) *s++; + } while (isascii(c) && isspace(c)); + if (c == '-') + { + neg = true; + c = *s++; + } + else + { + neg = false; + if (c == '+') + c = *s++; + } + if ((base == 0 || base == 16) && + c == '0' && (*s == 'x' || *s == 'X')) + { + c = s[1]; + s += 2; + base = 16; + } + if (base == 0) + base = c == '0' ? 8 : 10; + + /* + ** Compute the cutoff value between legal numbers and illegal + ** numbers. That is the largest legal value, divided by the + ** base. An input number that is greater than this value, if + ** followed by a legal input character, is too big. One that + ** is equal to this value may be valid or not; the limit + ** between valid and invalid numbers is then based on the last + ** digit. For instance, if the range for long-long's is + ** [-9223372036854775808..9223372036854775807] and the input base + ** is 10, cutoff will be set to 922337203685477580 and cutlim to + ** either 7 (!neg) or 8 (neg), meaning that if we have + ** accumulated a value > 922337203685477580, or equal but the + ** next digit is > 7 (or 8), the number is too big, and we will + ** return a range error. + ** + ** Set any if any `digits' consumed; make it negative to indicate + ** overflow. + */ + + cutoff = neg ? LLONG_MIN : LLONG_MAX; + cutlim = cutoff % base; + cutoff /= base; + if (neg) + { + if (cutlim > 0) + { + cutlim -= base; + cutoff += 1; + } + cutlim = -cutlim; + } + for (acc = 0, any = 0;; c = (unsigned char) *s++) + { + if (isascii(c) && isdigit(c)) + c -= '0'; + else if (isascii(c) && isalpha(c)) + c -= isupper(c) ? 'A' - 10 : 'a' - 10; + else + break; + if (c >= base) + break; + if (any < 0) + continue; + if (neg) + { + if (acc < cutoff || (acc == cutoff && c > cutlim)) + { + any = -1; + acc = LLONG_MIN; + errno = ERANGE; + } + else + { + any = 1; + acc *= base; + acc -= c; + } + } + else + { + if (acc > cutoff || (acc == cutoff && c > cutlim)) + { + any = -1; + acc = LLONG_MAX; + errno = ERANGE; + } + else + { + any = 1; + acc *= base; + acc += c; + } + } + } + if (endptr != 0) + *endptr = (char *) (any ? s - 1 : nptr); + return acc; +} + +/* +** SM_STRTOULL -- Convert a string to an unsigned long long integer. +** +** Ignores `locale' stuff. Assumes that the upper and lower case +** alphabets and digits are each contiguous. +** +** Parameters: +** nptr -- string containing (unsigned) number +** endptr -- location of first invalid character +** base -- numeric base that 'nptr' number is based in +** +** Returns: +** Failure: on overflow ULLONG_MAX is returned and errno is set. +** When 'endptr' == '\0' then the entire string 'nptr' +** was valid. +** Success: returns the converted number +*/ + +ULONGLONG_T +sm_strtoull(nptr, endptr, base) + const char *nptr; + char **endptr; + register int base; +{ + register const char *s; + register ULONGLONG_T acc, cutoff; + register int c; + register bool neg; + register int any, cutlim; + + /* See sm_strtoll for comments as to the logic used. */ + s = nptr; + do + { + c = (unsigned char) *s++; + } while (isascii(c) && isspace(c)); + neg = (c == '-'); + if (neg) + { + c = *s++; + } + else + { + if (c == '+') + c = *s++; + } + if ((base == 0 || base == 16) && + c == '0' && (*s == 'x' || *s == 'X')) + { + c = s[1]; + s += 2; + base = 16; + } + if (base == 0) + base = c == '0' ? 8 : 10; + + cutoff = ULLONG_MAX / (ULONGLONG_T)base; + cutlim = ULLONG_MAX % (ULONGLONG_T)base; + for (acc = 0, any = 0;; c = (unsigned char) *s++) + { + if (isascii(c) && isdigit(c)) + c -= '0'; + else if (isascii(c) && isalpha(c)) + c -= isupper(c) ? 'A' - 10 : 'a' - 10; + else + break; + if (c >= base) + break; + if (any < 0) + continue; + if (acc > cutoff || (acc == cutoff && c > cutlim)) + { + any = -1; + acc = ULLONG_MAX; + errno = ERANGE; + } + else + { + any = 1; + acc *= (ULONGLONG_T)base; + acc += c; + } + } + if (neg && any > 0) + acc = -((LONGLONG_T) acc); + if (endptr != 0) + *endptr = (char *) (any ? s - 1 : nptr); + return acc; +} diff --git a/contrib/sendmail-8.13.4/libsm/syslogio.c b/contrib/sendmail-8.13.4/libsm/syslogio.c new file mode 100644 index 0000000000..24fa3a23b3 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/syslogio.c @@ -0,0 +1,220 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: syslogio.c,v 1.29 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include +#include +#include +#ifdef SM_RPOOL +# include +#endif /* SM_RPOOL */ +#include +#include "local.h" + +/* +** Overall: +** This is a output file type that copies its output to the syslog daemon. +** Each line of output is written as a separate syslog message. +** The client is responsible for calling openlog() before writing to +** any syslog file, and calling closelog() after all syslog output is complete. +** The only state associated with a syslog file is 'int priority', +** which we store in fp->f_ival. +*/ + +/* +** SM_SYSLOGOPEN -- open a file pointer to syslog +** +** Parameters: +** fp -- file pointer assigned for the open +** info -- priority level of the syslog messages +** flags -- not used +** rpool -- ignored +** +** Returns: +** 0 (zero) success always (see Overall) +*/ + +int +sm_syslogopen(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + int *priority = (int *)info; + + fp->f_ival = *priority; + return 0; +} + +/* +** SM_SYSLOGREAD -- read function for syslog +** +** This is a "stub" function (placeholder) that always returns an error. +** It is an error to read syslog. +** +** Parameters: +** fp -- the file pointer +** buf -- buffer to place the data read +** n -- number of bytes to read +** +** Returns: +** -1 (error) always and sets errno +*/ + +ssize_t +sm_syslogread(fp, buf, n) + SM_FILE_T *fp; + char *buf; + size_t n; +{ + /* an error to read */ + errno = ENODEV; + return -1; +} + +/* +** SM_SYSLOGWRITE -- write function for syslog +** +** Send output to syslog. +** +** Parameters: +** fp -- the file pointer +** buf -- buffer that the write data comes from +** n -- number of bytes to write +** +** Returns: +** 0 (zero) for success always +*/ + +/* +** XXX TODO: more work needs to be done to ensure that each line of output +** XXX written to a syslog file is mapped to exactly one syslog message. +*/ +ssize_t +sm_syslogwrite(fp, buf, n) + SM_FILE_T *fp; + char const *buf; + size_t n; +{ + syslog(fp->f_ival, "%s", buf); + return 0; +} + +/* +** SM_SYSLOGSEEK -- position the syslog file offset +** +** This is a "stub" function (placeholder) that always returns an error. +** It is an error to seek syslog. +** +** Parameters: +** fp -- the file pointer +** offset -- the new offset position relative to 'whence' +** whence -- flag indicating start of 'offset' +** +** Returns: +** -1 (error) always. +*/ + +off_t +sm_syslogseek(fp, offset, whence) + SM_FILE_T *fp; + off_t offset; + int whence; +{ + errno = ENODEV; + return -1; +} + +/* +** SM_SYSLOGCLOSE -- close the syslog file pointer +** +** Parameters: +** fp -- the file pointer +** +** Returns: +** 0 (zero) success always (see Overall) +** +*/ + +int +sm_syslogclose(fp) + SM_FILE_T *fp; +{ + return 0; +} + +/* +** SM_SYSLOGSETINFO -- set information for the file pointer +** +** Parameters: +** fp -- the file pointer being set +** what -- what information is being set +** valp -- information content being set to +** +** Returns: +** -1 on failure +** 0 (zero) on success +** +** Side Effects: +** Sets internal file pointer data +*/ + +int +sm_syslogsetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch (what) + { + case SM_IO_SL_PRIO: + fp->f_ival = *((int *)(valp)); + return 0; + default: + errno = EINVAL; + return -1; + } +} + +/* +** SM_SYSLOGGETINFO -- get information relating to the file pointer +** +** Parameters: +** fp -- the file pointer being queried +** what -- the information type being queried +** valp -- location to placed queried information +** +** Returns: +** 0 (zero) on success +** -1 on failure +** +** Side Effects: +** Fills in 'valp' with data. +*/ + +int +sm_sysloggetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + switch (what) + { + case SM_IO_SL_PRIO: + *((int *)(valp)) = fp->f_ival; + return 0; + default: + errno = EINVAL; + return -1; + } +} diff --git a/contrib/sendmail-8.13.4/libsm/t-cf.c b/contrib/sendmail-8.13.4/libsm/t-cf.c new file mode 100644 index 0000000000..90785144fb --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-cf.c @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-cf.c,v 1.7 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + SM_CF_OPT_T opt; + int err; + + if (argc != 3) + { + fprintf(stderr, "Usage: %s .cf-file option\n", argv[0]); + exit(1); + } + opt.opt_name = argv[2]; + opt.opt_val = NULL; + err = sm_cf_getopt(argv[1], 1, &opt); + if (err) + { + fprintf(stderr, "%s: %s\n", argv[1], strerror(err)); + exit(1); + } + if (opt.opt_val == NULL) + printf("Error: option \"%s\" not found\n", opt.opt_name); + else + printf("%s=%s\n", opt.opt_name, opt.opt_val); + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/t-event.c b/contrib/sendmail-8.13.4/libsm/t-event.c new file mode 100644 index 0000000000..c6eb82e1e6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-event.c @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2001-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: t-event.c,v 1.12 2004/08/03 20:50:32 ca Exp $") + +#include + +#include +#include +# include +#if SM_CONF_SETITIMER +# include +#endif /* SM_CONF_SETITIMER */ + +#include +#include + +static void evcheck __P((int)); +static void ev1 __P((int)); + +static int check; + +static void +evcheck(arg) + int arg; +{ + SM_TEST(arg == 3); + SM_TEST(check == 0); + check++; +} + +static void +ev1(arg) + int arg; +{ + SM_TEST(arg == 1); +} + +/* define as x if you want debug output */ +#define DBG_OUT(x) + +int +main(argc, argv) + int argc; + char *argv[]; +{ + SM_EVENT *ev; + + sm_test_begin(argc, argv, "test event handling"); + fprintf(stdout, "This test may hang. If there is no output within twelve seconds, abort it\nand recompile with -DSM_CONF_SETITIMER=%d\n", + SM_CONF_SETITIMER == 0 ? 1 : 0); + sleep(1); + SM_TEST(1 == 1); + DBG_OUT(fprintf(stdout, "We're back, test 1 seems to work.\n")); + ev = sm_seteventm(1000, ev1, 1); + sleep(1); + SM_TEST(2 == 2); + DBG_OUT(fprintf(stdout, "We're back, test 2 seems to work.\n")); + + /* schedule an event in 9s */ + ev = sm_seteventm(9000, ev1, 2); + sleep(1); + + /* clear the event before it can fire */ + sm_clrevent(ev); + SM_TEST(3 == 3); + DBG_OUT(fprintf(stdout, "We're back, test 3 seems to work.\n")); + + /* schedule an event in 1s */ + check = 0; + ev = sm_seteventm(1000, evcheck, 3); + sleep(2); + + /* clear the event */ + sm_clrevent(ev); + SM_TEST(4 == 4); + SM_TEST(check == 1); + DBG_OUT(fprintf(stdout, "We're back, test 4 seems to work.\n")); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-exc.c b/contrib/sendmail-8.13.4/libsm/t-exc.c new file mode 100644 index 0000000000..a6922e0416 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-exc.c @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-exc.c,v 1.20 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include + +const SM_EXC_TYPE_T EtypeTest1 = +{ + SmExcTypeMagic, + "E:test1", + "i", + sm_etype_printf, + "test1 exception argv[0]=%0", +}; + +const SM_EXC_TYPE_T EtypeTest2 = +{ + SmExcTypeMagic, + "E:test2", + "i", + sm_etype_printf, + "test2 exception argv[0]=%0", +}; + +int +main(argc, argv) + int argc; + char **argv; +{ + void *p; + int volatile x; + char *unknown, *cant; + + sm_test_begin(argc, argv, "test exception handling"); + + /* + ** SM_TRY + */ + + cant = "can't happen"; + x = 0; + SM_TRY + x = 1; + SM_END_TRY + SM_TEST(x == 1); + + /* + ** SM_FINALLY-0 + */ + + x = 0; + SM_TRY + x = 1; + SM_FINALLY + x = 2; + SM_END_TRY + SM_TEST(x == 2); + + /* + ** SM_FINALLY-1 + */ + + x = 0; + SM_TRY + SM_TRY + x = 1; + sm_exc_raisenew_x(&EtypeTest1, 17); + SM_FINALLY + x = 2; + sm_exc_raisenew_x(&EtypeTest2, 42); + SM_END_TRY + SM_EXCEPT(exc, "E:test2") + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "got exception test2: can't happen\n"); + SM_EXCEPT(exc, "E:test1") + SM_TEST(x == 2 && exc->exc_argv[0].v_int == 17); + if (!(x == 2 && exc->exc_argv[0].v_int == 17)) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "can't happen: x=%d argv[0]=%d\n", + x, exc->exc_argv[0].v_int); + } + SM_EXCEPT(exc, "*") + { + unknown = "unknown exception: "; + SM_TEST(strcmp(unknown, cant) == 0); + } + SM_END_TRY + + x = 3; + SM_TRY + x = 4; + sm_exc_raisenew_x(&EtypeTest1, 94); + SM_FINALLY + x = 5; + sm_exc_raisenew_x(&EtypeTest2, 95); + SM_EXCEPT(exc, "E:test2") + { + unknown = "got exception test2: "; + SM_TEST(strcmp(unknown, cant) == 0); + } + SM_EXCEPT(exc, "E:test1") + SM_TEST(x == 5 && exc->exc_argv[0].v_int == 94); + if (!(x == 5 && exc->exc_argv[0].v_int == 94)) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "can't happen: x=%d argv[0]=%d\n", + x, exc->exc_argv[0].v_int); + } + SM_EXCEPT(exc, "*") + { + unknown = "unknown exception: "; + SM_TEST(strcmp(unknown, cant) == 0); + } + SM_END_TRY + + SM_TRY + sm_exc_raisenew_x(&SmEtypeErr, "test %d", 0); + SM_EXCEPT(exc, "*") +#if DEBUG + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "test 0 got an exception, as expected:\n"); + sm_exc_print(exc, smioout); +#endif /* DEBUG */ + return sm_test_end(); + SM_END_TRY + + p = sm_malloc_x((size_t)(-1)); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "sm_malloc_x unexpectedly succeeded, returning %p\n", p); + unknown = "sm_malloc_x unexpectedly succeeded"; + SM_TEST(strcmp(unknown, cant) == 0); + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-float.c b/contrib/sendmail-8.13.4/libsm/t-float.c new file mode 100644 index 0000000000..f3f059b1a1 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-float.c @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-float.c,v 1.18 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + double d, d2; + double ld; + char buf[128]; + char *r; + + /* + ** Sendmail uses printf and scanf with doubles, + ** so make sure that this works. + */ + + sm_test_begin(argc, argv, "test floating point stuff"); + + d = 1.125; + sm_snprintf(buf, sizeof(buf), "%d %.3f %d", 0, d, 1); + r = "0 1.125 1"; + if (!SM_TEST(strcmp(buf, r) == 0)) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "got %s instead\n", buf); + + d = 1.125; + sm_snprintf(buf, sizeof(buf), "%.3f", d); + r = "1.125"; + if (!SM_TEST(strcmp(buf, r) == 0)) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "got %s instead\n", buf); + d2 = 0.0; + sm_io_sscanf(buf, "%lf", &d2); +#if SM_CONF_BROKEN_STRTOD + if (d != d2) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "wanted %f, got %f\n", d, d2); + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "error ignored since SM_CONF_BROKEN_STRTOD is set for this OS\n"); + } +#else /* SM_CONF_BROKEN_STRTOD */ + if (!SM_TEST(d == d2)) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "wanted %f, got %f\n", d, d2); +#endif /* SM_CONF_BROKEN_STRTOD */ + + ld = 2.5; + sm_snprintf(buf, sizeof(buf), "%.3f %.1f", d, ld); + r = "1.125 2.5"; + if (!SM_TEST(strcmp(buf, r) == 0)) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "got %s instead\n", buf); + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-fopen.c b/contrib/sendmail-8.13.4/libsm/t-fopen.c new file mode 100644 index 0000000000..2d3839a34d --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-fopen.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-fopen.c,v 1.9 2002/02/06 23:57:45 ca Exp $") + +#include +#include +#include + +/* ARGSUSED0 */ +int +main(argc, argv) + int argc; + char *argv[]; +{ + int m, r; + SM_FILE_T *out; + + sm_test_begin(argc, argv, "test sm_io_fopen"); + out = sm_io_fopen("foo", O_WRONLY|O_APPEND|O_CREAT, 0666); + SM_TEST(out != NULL); + if (out != NULL) + { + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, "foo\n"); + r = sm_io_getinfo(out, SM_IO_WHAT_MODE, &m); + SM_TEST(r == 0); + SM_TEST(m == SM_IO_WRONLY); + sm_io_close(out, SM_TIME_DEFAULT); + } + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-heap.c b/contrib/sendmail-8.13.4/libsm/t-heap.c new file mode 100644 index 0000000000..7ddb60d2cc --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-heap.c @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-heap.c,v 1.10 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include +#include + +#if SM_HEAP_CHECK +extern SM_DEBUG_T SmHeapCheck; +# define HEAP_CHECK sm_debug_active(&SmHeapCheck, 1) +#else /* SM_HEAP_CHECK */ +# define HEAP_CHECK 0 +#endif /* SM_HEAP_CHECK */ + +int +main(argc, argv) + int argc; + char **argv; +{ + void *p; + + sm_test_begin(argc, argv, "test heap handling"); + if (argc > 1) + sm_debug_addsettings_x(argv[1]); + + p = sm_malloc(10); + SM_TEST(p != NULL); + p = sm_realloc_x(p, 20); + SM_TEST(p != NULL); + p = sm_realloc(p, 30); + SM_TEST(p != NULL); + if (HEAP_CHECK) + { + sm_dprintf("heap with 1 30-byte block allocated:\n"); + sm_heap_report(smioout, 3); + } + + if (HEAP_CHECK) + { + sm_free(p); + sm_dprintf("heap with 0 blocks allocated:\n"); + sm_heap_report(smioout, 3); + sm_dprintf("xtrap count = %d\n", SmXtrapCount); + } + +#if DEBUG + /* this will cause a core dump */ + sm_dprintf("about to free %p for the second time\n", p); + sm_free(p); +#endif /* DEBUG */ + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-match.c b/contrib/sendmail-8.13.4/libsm/t-match.c new file mode 100644 index 0000000000..d2776c02a2 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-match.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-match.c,v 1.9 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include + +#define try(str, pat, want) \ + got = sm_match(str, pat); \ + if (!SM_TEST(got == want)) \ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, \ + "sm_match(\"%s\", \"%s\") returns %s\n", \ + str, pat, got ? "true" : "false"); + +int +main(argc, argv) + int argc; + char **argv; +{ + bool got; + + sm_test_begin(argc, argv, "test sm_match"); + + try("foo", "foo", true); + try("foo", "bar", false); + try("foo[bar", "foo[bar", true); + try("foo[bar]", "foo[bar]", false); + try("foob", "foo[bar]", true); + try("a-b", "a[]-]b", true); + try("abcde", "a*e", true); + try("[", "[[]", true); + try("c", "[a-z]", true); + try("C", "[a-z]", false); + try("F:sm.heap", "[!F]*", false); + try("E:sm.err", "[!F]*", true); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-path.c b/contrib/sendmail-8.13.4/libsm/t-path.c new file mode 100644 index 0000000000..fa6e3453b2 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-path.c @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-path.c,v 1.8 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + char *r; + + sm_test_begin(argc, argv, "test path handling"); + + SM_TEST(sm_path_isdevnull(SM_PATH_DEVNULL)); + r = "/dev/null"; + SM_TEST(sm_path_isdevnull(r)); + r = "/nev/dull"; + SM_TEST(!sm_path_isdevnull(r)); + r = "nul"; + SM_TEST(!sm_path_isdevnull(r)); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-rpool.c b/contrib/sendmail-8.13.4/libsm/t-rpool.c new file mode 100644 index 0000000000..b671a4b4be --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-rpool.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-rpool.c,v 1.18 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include +#include + +static void +rfree __P(( + void *cx)); + +static void +rfree(cx) + void *cx; +{ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "rfree freeing `%s'\n", + (char *) cx); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + SM_RPOOL_T *rpool; + char *a[26]; + int i, j; + SM_RPOOL_ATTACH_T att; + + sm_test_begin(argc, argv, "test rpool"); + sm_debug_addsetting_x("sm_check_heap", 1); + rpool = sm_rpool_new_x(NULL); + SM_TEST(rpool != NULL); + att = sm_rpool_attach_x(rpool, rfree, "attachment #1"); + SM_TEST(att != NULL); + for (i = 0; i < 26; ++i) + { + size_t sz = i * i * i; + + a[i] = sm_rpool_malloc_x(rpool, sz); + for (j = 0; j < sz; ++j) + a[i][j] = 'a' + i; + } + att = sm_rpool_attach_x(rpool, rfree, "attachment #2"); + (void) sm_rpool_attach_x(rpool, rfree, "attachment #3"); + sm_rpool_detach(att); + + /* XXX more tests? */ +#if DEBUG + sm_dprintf("heap after filling up rpool:\n"); + sm_heap_report(smioout, 3); + sm_dprintf("freeing rpool:\n"); + sm_rpool_free(rpool); + sm_dprintf("heap after freeing rpool:\n"); + sm_heap_report(smioout, 3); +#endif /* DEBUG */ + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-scanf.c b/contrib/sendmail-8.13.4/libsm/t-scanf.c new file mode 100644 index 0000000000..b3ca0bd8aa --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-scanf.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-scanf.c,v 1.5 2001/11/13 00:51:28 ca Exp $") + +#include +#include +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + int i, d, h; + char buf[128]; + char *r; + + sm_test_begin(argc, argv, "test scanf point stuff"); +#if !SM_CONF_BROKEN_SIZE_T + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, +"If tests for \"h == 2\" fail, check whether size_t is signed on your OS.\n\ +If that is the case, add -DSM_CONF_BROKEN_SIZE_T to confENVDEF\n\ +and start over. Otherwise contact sendmail.org.\n"); +#endif /* !SM_CONF_BROKEN_SIZE_T */ + + d = 2; + sm_snprintf(buf, sizeof(buf), "%d", d); + r = "2"; + if (!SM_TEST(strcmp(buf, r) == 0)) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "got %s instead\n", buf); + + i = sm_io_sscanf(buf, "%d", &h); + SM_TEST(i == 1); + SM_TEST(h == 2); + + d = 2; + sm_snprintf(buf, sizeof(buf), "%d\n", d); + r = "2\n"; + if (!SM_TEST(strcmp(buf, r) == 0)) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "got %s instead\n", buf); + + i = sm_io_sscanf(buf, "%d", &h); + SM_TEST(i == 1); + SM_TEST(h == 2); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-sem.c b/contrib/sendmail-8.13.4/libsm/t-sem.c new file mode 100644 index 0000000000..3964327017 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-sem.c @@ -0,0 +1,344 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: t-sem.c,v 1.14 2005/03/25 21:27:41 ca Exp $") + +#include + +#if SM_CONF_SEM +# include +# include +# include +# include +# include +# include +# include +# include + +static void +delay(t, s) + int t; + char *s; +{ + if (t > 0) + { +#if DEBUG + fprintf(stderr, "sleep(%d) before %s\n", t, s); +#endif /* DEBUG */ + sleep(t); + } +#if DEBUG + fprintf(stderr, "%s\n", s); +#endif /* DEBUG */ +} + + +/* +** SEMINTER -- interactive testing of semaphores. +** +** Parameters: +** owner -- create semaphores. +** +** Returns: +** 0 on success +** < 0 on failure. +*/ + +static int +seminter(owner) + bool owner; +{ + int semid; + int t; + + semid = sm_sem_start(SM_SEM_KEY, SM_NSEM, 0, owner); + if (semid < 0) + { + perror("sm_sem_start failed"); + return 1; + } + + while ((t = getchar()) != EOF) + { + switch (t) + { + case 'a': + delay(0, "try to acq"); + if (sm_sem_acq(semid, 0, 2) < 0) + { + perror("sm_sem_acq failed"); + return 1; + } + delay(0, "acquired"); + break; + + case 'r': + delay(0, "try to rel"); + if (sm_sem_rel(semid, 0, 2) < 0) + { + perror("sm_sem_rel failed"); + return 1; + } + delay(0, "released"); + break; + + case 'v': + if ((t = sm_sem_get(semid, 0)) < 0) + { + perror("get_sem failed"); + return 1; + } + printf("semval: %d\n", t); + break; + + } + } + if (owner) + return sm_sem_stop(semid); + return 0; +} + +/* +** SEM_CLEANUP -- cleanup if something breaks +** +** Parameters: +** sig -- signal. +** +** Returns: +** none. +*/ + +static int semid_c = -1; +void +sem_cleanup(sig) + int sig; +{ + if (semid_c >= 0) + (void) sm_sem_stop(semid_c); + exit(EX_UNAVAILABLE); +} + +/* +** SEMTEST -- test of semaphores +** +** Parameters: +** owner -- create semaphores. +** +** Returns: +** 0 on success +** < 0 on failure. +*/ + +# define MAX_CNT 10 + +static int +semtest(owner) + int owner; +{ + int semid, r; + int cnt = 0; + + semid = sm_sem_start(SM_SEM_KEY, 1, 0, owner); + if (semid < 0) + { + perror("sm_sem_start failed"); + return -1; + } + + if (owner) + { + /* just in case someone kills the program... */ + semid_c = semid; + (void) sm_signal(SIGHUP, sem_cleanup); + (void) sm_signal(SIGINT, sem_cleanup); + (void) sm_signal(SIGTERM, sem_cleanup); + + delay(1, "parent: acquire 1"); + cnt = 0; + do + { + r = sm_sem_acq(semid, 0, 0); + if (r < 0) + { + sleep(1); + ++cnt; + } + } while (r < 0 && cnt <= MAX_CNT); + SM_TEST(r >= 0); + if (r < 0) + return r; + + delay(3, "parent: release 1"); + cnt = 0; + do + { + r = sm_sem_rel(semid, 0, 0); + if (r < 0) + { + sleep(1); + ++cnt; + } + } while (r < 0 && cnt <= MAX_CNT); + SM_TEST(r >= 0); + if (r < 0) + return r; + + delay(1, "parent: getval"); + cnt = 0; + do + { + r = sm_sem_get(semid, 0); + if (r <= 0) + { + sleep(1); + ++cnt; + } + } while (r <= 0 && cnt <= MAX_CNT); + SM_TEST(r > 0); + if (r <= 0) + return r; + + delay(1, "parent: acquire 2"); + cnt = 0; + do + { + r = sm_sem_acq(semid, 0, 0); + if (r < 0) + { + sleep(1); + ++cnt; + } + } while (r < 0 && cnt <= MAX_CNT); + SM_TEST(r >= 0); + if (r < 0) + return r; + + cnt = 0; + do + { + r = sm_sem_rel(semid, 0, 0); + if (r < 0) + { + sleep(1); + ++cnt; + } + } while (r < 0 && cnt <= MAX_CNT); + SM_TEST(r >= 0); + if (r < 0) + return r; + } + else + { + delay(1, "child: acquire 1"); + cnt = 0; + do + { + r = sm_sem_acq(semid, 0, 0); + if (r < 0) + { + sleep(1); + ++cnt; + } + } while (r < 0 && cnt <= MAX_CNT); + SM_TEST(r >= 0); + if (r < 0) + return r; + + delay(1, "child: release 1"); + cnt = 0; + do + { + r = sm_sem_rel(semid, 0, 0); + if (r < 0) + { + sleep(1); + ++cnt; + } + } while (r < 0 && cnt <= MAX_CNT); + SM_TEST(r >= 0); + if (r < 0) + return r; + + } + if (owner) + return sm_sem_stop(semid); + return 0; +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + bool interactive = false; + bool owner = false; + int ch; + int r = 0; + +# define OPTIONS "io" + while ((ch = getopt(argc, argv, OPTIONS)) != -1) + { + switch ((char) ch) + { + case 'i': + interactive = true; + break; + + case 'o': + owner = true; + break; + + default: + break; + } + } + + if (interactive) + r = seminter(owner); + else + { + pid_t pid; + + printf("This test takes about 8 seconds.\n"); + printf("If it takes longer than 30 second, please interrupt it\n"); + printf("and compile again without semaphore support, i.e.,"); + printf("-DSM_CONF_SEM=0\n"); + if ((pid = fork()) < 0) + { + perror("fork failed\n"); + return -1; + } + + sm_test_begin(argc, argv, "test semaphores"); + if (pid == 0) + { + /* give the parent the chance to setup data */ + sleep(1); + r = semtest(false); + } + else + { + r = semtest(true); + } + SM_TEST(r == 0); + return sm_test_end(); + } + return r; +} +#else /* SM_CONF_SEM */ +int +main(argc, argv) + int argc; + char *argv[]; +{ + printf("No support for semaphores configured on this machine\n"); + return 0; +} +#endif /* SM_CONF_SEM */ diff --git a/contrib/sendmail-8.13.4/libsm/t-shm.c b/contrib/sendmail-8.13.4/libsm/t-shm.c new file mode 100644 index 0000000000..ba0bc6c3ab --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-shm.c @@ -0,0 +1,276 @@ +/* + * Copyright (c) 2000-2002, 2004, 2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: t-shm.c,v 1.22 2005/01/14 02:14:10 ca Exp $") + +#include + +#if SM_CONF_SHM +# include +# include +# include + +# include +# include +# include +# include + +# define SHMSIZE 1024 +# define SHM_MAX 6400000 +# define T_SHMKEY 21 + + +/* +** SHMINTER -- interactive testing of shared memory +** +** Parameters: +** owner -- create segment. +** +** Returns: +** 0 on success +** < 0 on failure. +*/ + +int shminter __P((bool)); + +int +shminter(owner) + bool owner; +{ + int *shm, shmid; + int i, t; + + shm = (int *) sm_shmstart(T_SHMKEY, SHMSIZE, 0, &shmid, owner); + if (shm == (int *) 0) + { + perror("shminit failed"); + return -1; + } + + while ((t = getchar()) != EOF) + { + switch (t) + { + case 'c': + *shm = 0; + break; + case 'i': + ++*shm; + break; + case 'd': + --*shm; + break; + case 's': + sleep(1); + break; + case 'l': + t = *shm; + for (i = 0; i < SHM_MAX; i++) + { + ++*shm; + } + if (*shm != SHM_MAX + t) + fprintf(stderr, "error: %d != %d\n", + *shm, SHM_MAX + t); + break; + case 'v': + printf("shmval: %d\n", *shm); + break; + case 'S': + i = sm_shmsetowner(shmid, getuid(), getgid(), 0644); + printf("sm_shmsetowner=%d\n", i); + break; + } + } + return sm_shmstop((void *) shm, shmid, owner); +} + + +/* +** SHMBIG -- testing of shared memory +** +** Parameters: +** owner -- create segment. +** size -- size of segment. +** +** Returns: +** 0 on success +** < 0 on failure. +*/ + +int shmbig __P((bool, int)); + +int +shmbig(owner, size) + bool owner; + int size; +{ + int *shm, shmid; + int i; + + shm = (int *) sm_shmstart(T_SHMKEY, size, 0, &shmid, owner); + if (shm == (int *) 0) + { + perror("shminit failed"); + return -1; + } + + for (i = 0; i < size / sizeof(int); i++) + shm[i] = i; + for (i = 0; i < size / sizeof(int); i++) + { + if (shm[i] != i) + { + fprintf(stderr, "failed at %d: %d", i, shm[i]); + } + } + + return sm_shmstop((void *) shm, shmid, owner); +} + + +/* +** SHMTEST -- test of shared memory +** +** Parameters: +** owner -- create segment. +** +** Returns: +** 0 on success +** < 0 on failure. +*/ + +# define MAX_CNT 10 + +int shmtest __P((int)); + +int +shmtest(owner) + int owner; +{ + int *shm, shmid; + int cnt = 0; + + shm = (int *) sm_shmstart(T_SHMKEY, SHMSIZE, 0, &shmid, owner); + if (shm == (int *) 0) + { + perror("shminit failed"); + return -1; + } + + if (owner) + { + int r; + + r = sm_shmsetowner(shmid, getuid(), getgid(), 0660); + SM_TEST(r == 0); + *shm = 1; + while (*shm == 1 && cnt++ < MAX_CNT) + sleep(1); + SM_TEST(cnt <= MAX_CNT); + + /* release and re-acquire the segment */ + r = sm_shmstop((void *) shm, shmid, owner); + SM_TEST(r == 0); + shm = (int *) sm_shmstart(T_SHMKEY, SHMSIZE, 0, &shmid, owner); + SM_TEST(shm != (int *) 0); + } + else + { + while (*shm != 1 && cnt++ < MAX_CNT) + sleep(1); + SM_TEST(cnt <= MAX_CNT); + *shm = 2; + + /* wait a momemt so the segment is still in use */ + sleep(2); + } + return sm_shmstop((void *) shm, shmid, owner); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + bool interactive = false; + bool owner = false; + int big = -1; + int ch; + int r = 0; + int status; + extern char *optarg; + +# define OPTIONS "b:io" + while ((ch = getopt(argc, argv, OPTIONS)) != -1) + { + switch ((char) ch) + { + case 'b': + big = atoi(optarg); + break; + + case 'i': + interactive = true; + break; + + case 'o': + owner = true; + break; + + default: + break; + } + } + + if (interactive) + r = shminter(owner); + else if (big > 0) + r = shmbig(true, big); + else + { + pid_t pid; + extern int SmTestNumErrors; + + if ((pid = fork()) < 0) + { + perror("fork failed\n"); + return -1; + } + + sm_test_begin(argc, argv, "test shared memory"); + if (pid == 0) + { + /* give the parent the chance to setup data */ + sleep(1); + r = shmtest(false); + } + else + { + r = shmtest(true); + (void) wait(&status); + } + SM_TEST(r == 0); + if (SmTestNumErrors > 0) + printf("add -DSM_CONF_SHM=0 to confENVDEF in devtools/Site/site.config.m4\nand start over.\n"); + return sm_test_end(); + } + return r; +} +#else /* SM_CONF_SHM */ +int +main(argc, argv) + int argc; + char *argv[]; +{ + printf("No support for shared memory configured on this machine\n"); + return 0; +} +#endif /* SM_CONF_SHM */ diff --git a/contrib/sendmail-8.13.4/libsm/t-smstdio.c b/contrib/sendmail-8.13.4/libsm/t-smstdio.c new file mode 100644 index 0000000000..3bad1c1b15 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-smstdio.c @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-smstdio.c,v 1.11 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + FILE *stream; + SM_FILE_T *fp; + char buf[128]; + size_t n; + static char testmsg[] = "hello, world\n"; + + sm_test_begin(argc, argv, + "test sm_io_stdioopen, smiostdin, smiostdout"); + + stream = fopen("t-smstdio.1", "w"); + SM_TEST(stream != NULL); + + fp = sm_io_stdioopen(stream, "w"); + SM_TEST(fp != NULL); + + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", testmsg); + sm_io_close(fp, SM_TIME_DEFAULT); + +#if 0 + /* + ** stream should now be closed. This is a tricky way to test + ** if it is still open. Alas, it core dumps on Linux. + */ + + fprintf(stream, "oops! stream is still open!\n"); + fclose(stream); +#endif + + stream = fopen("t-smstdio.1", "r"); + SM_TEST(stream != NULL); + + fp = sm_io_stdioopen(stream, "r"); + SM_TEST(fp != NULL); + + n = sm_io_read(fp, SM_TIME_DEFAULT, buf, sizeof(buf)); + if (SM_TEST(n == strlen(testmsg))) + { + buf[n] = '\0'; + SM_TEST(strcmp(buf, testmsg) == 0); + } + +#if 0 + + /* + ** Copy smiostdin to smiostdout + ** gotta think some more about how to test smiostdin and smiostdout + */ + + while ((c = sm_io_getc(smiostdin)) != SM_IO_EOF) + sm_io_putc(smiostdout, c); +#endif + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-string.c b/contrib/sendmail-8.13.4/libsm/t-string.c new file mode 100644 index 0000000000..0506e7aa40 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-string.c @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-string.c,v 1.11 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + char *s; + char buf[4096]; + char foo[4]; + char *r; + int n; + + sm_test_begin(argc, argv, "test string utilities"); + + s = sm_stringf_x("%.3s%03d", "foobar", 42); + r = "foo042"; + SM_TEST(strcmp(s, r) == 0); + + s = sm_stringf_x("+%*x+", 2000, 0xCAFE); + sm_snprintf(buf, 4096, "+%*x+", 2000, 0xCAFE); + SM_TEST(strcmp(s, buf) == 0); + + foo[3] = 1; + n = sm_snprintf(foo, sizeof(foo), "foobar%dbaz", 42); + SM_TEST(n == 11); + r = "foo"; + SM_TEST(strcmp(foo, r) == 0); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-strio.c b/contrib/sendmail-8.13.4/libsm/t-strio.c new file mode 100644 index 0000000000..bb18dae688 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-strio.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-strio.c,v 1.11 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include + +int +main(argc, argv) + int argc; + char *argv[]; +{ + char buf[20]; + char *r; + SM_FILE_T f; + + sm_test_begin(argc, argv, "test strio"); + (void) memset(buf, '.', 20); + sm_strio_init(&f, buf, 10); + (void) sm_io_fprintf(&f, SM_TIME_DEFAULT, "foobarbazoom"); + sm_io_flush(&f, SM_TIME_DEFAULT); + r = "foobarbaz"; + SM_TEST(strcmp(buf, r) == 0); + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-strl.c b/contrib/sendmail-8.13.4/libsm/t-strl.c new file mode 100644 index 0000000000..5c118dcbe6 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-strl.c @@ -0,0 +1,136 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-strl.c,v 1.15 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include +#include + +#define MAXL 16 +#define N 5 +#define SIZE 128 + +int +main(argc, argv) + int argc; + char *argv[]; +{ + char *s1, *s2, *s3; + int one, two, k; + char src1[N][SIZE], dst1[SIZE], dst2[SIZE]; + char *r; + + sm_test_begin(argc, argv, "test strl* string functions"); + s1 = "abc"; + s2 = "123"; + s3 = sm_malloc_x(MAXL); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + SM_TEST(strcmp(s1, s3) == 0); + + SM_TEST(sm_strlcat(s3, s2, 8) == 6); + r ="abc123"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 2) == 3); + r = "a"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcat(s3, s2, 3) == 4); + r = "a1"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + r = ":"; + SM_TEST(sm_strlcat2(s3, r, s2, MAXL) == 7); + r = "abc:123"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + r = ":"; + SM_TEST(sm_strlcat2(s3, r, s2, 6) == 7); + r = "abc:1"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + r = ":"; + SM_TEST(sm_strlcat2(s3, r, s2, 2) == 7); + r = "abc"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + r = ":"; + SM_TEST(sm_strlcat2(s3, r, s2, 4) == 7); + r = "abc"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + r = ":"; + SM_TEST(sm_strlcat2(s3, r, s2, 5) == 7); + r = "abc:"; + SM_TEST(strcmp(s3, r) == 0); + + SM_TEST(sm_strlcpy(s3, s1, 4) == 3); + r = ":"; + SM_TEST(sm_strlcat2(s3, r, s2, 6) == 7); + r = "abc:1"; + SM_TEST(strcmp(s3, r) == 0); + + for (k = 0; k < N; k++) + { + (void) sm_strlcpy(src1[k], "abcdef", sizeof src1); + } + + one = sm_strlcpyn(dst1, sizeof dst1, 3, src1[0], "/", src1[1]); + two = sm_snprintf(dst2, sizeof dst2, "%s/%s", src1[0], src1[1]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + one = sm_strlcpyn(dst1, 10, 3, src1[0], "/", src1[1]); + two = sm_snprintf(dst2, 10, "%s/%s", src1[0], src1[1]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + one = sm_strlcpyn(dst1, 5, 3, src1[0], "/", src1[1]); + two = sm_snprintf(dst2, 5, "%s/%s", src1[0], src1[1]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + one = sm_strlcpyn(dst1, 0, 3, src1[0], "/", src1[1]); + two = sm_snprintf(dst2, 0, "%s/%s", src1[0], src1[1]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + one = sm_strlcpyn(dst1, sizeof dst1, 5, src1[0], "/", src1[1], "/", src1[2]); + two = sm_snprintf(dst2, sizeof dst2, "%s/%s/%s", src1[0], src1[1], src1[2]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + one = sm_strlcpyn(dst1, 15, 5, src1[0], "/", src1[1], "/", src1[2]); + two = sm_snprintf(dst2, 15, "%s/%s/%s", src1[0], src1[1], src1[2]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + one = sm_strlcpyn(dst1, 20, 5, src1[0], "/", src1[1], "/", src1[2]); + two = sm_snprintf(dst2, 20, "%s/%s/%s", src1[0], src1[1], src1[2]); + SM_TEST(one == two); + SM_TEST(strcmp(dst1, dst2) == 0); + + one = sm_strlcpyn(dst1, sizeof dst1, 0); + SM_TEST(one == 0); + r = ""; + SM_TEST(strcmp(dst1, r) == 0); + one = sm_strlcpyn(dst1, 20, 1, src1[0]); + two = sm_snprintf(dst2, 20, "%s", src1[0]); + SM_TEST(one == two); + one = sm_strlcpyn(dst1, 2, 1, src1[0]); + two = sm_snprintf(dst2, 2, "%s", src1[0]); + SM_TEST(one == two); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-strrevcmp.c b/contrib/sendmail-8.13.4/libsm/t-strrevcmp.c new file mode 100644 index 0000000000..fb8fb467d0 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-strrevcmp.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-strrevcmp.c,v 1.3 2001/09/11 04:04:49 gshapiro Exp $") + +#include +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + char *s1; + char *s2; + + sm_test_begin(argc, argv, "test string compare"); + + s1 = "equal"; + s2 = "equal"; + SM_TEST(sm_strrevcmp(s1, s2) == 0); + + s1 = "equal"; + s2 = "qual"; + SM_TEST(sm_strrevcmp(s1, s2) > 0); + + s1 = "qual"; + s2 = "equal"; + SM_TEST(sm_strrevcmp(s1, s2) < 0); + + s1 = "Equal"; + s2 = "equal"; + SM_TEST(sm_strrevcmp(s1, s2) < 0); + + s1 = "Equal"; + s2 = "equal"; + SM_TEST(sm_strrevcasecmp(s1, s2) == 0); + + s1 = "Equal"; + s2 = "eQuaL"; + SM_TEST(sm_strrevcasecmp(s1, s2) == 0); + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/t-types.c b/contrib/sendmail-8.13.4/libsm/t-types.c new file mode 100644 index 0000000000..cb07f67571 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/t-types.c @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: t-types.c,v 1.18 2002/03/13 17:29:53 gshapiro Exp $") + +#include +#include +#include +#include +#include + +int +main(argc, argv) + int argc; + char **argv; +{ + LONGLONG_T ll; + LONGLONG_T volatile lt; + ULONGLONG_T ull; + char buf[128]; + char *r; + + sm_test_begin(argc, argv, "test standard integral types"); + + SM_TEST(sizeof(LONGLONG_T) == sizeof(ULONGLONG_T)); + + /* + ** sendmail assumes that ino_t, off_t and void* can be cast + ** to ULONGLONG_T without losing information. + */ + + if (!SM_TEST(sizeof(ino_t) <= sizeof(ULONGLONG_T)) || + !SM_TEST(sizeof(off_t) <= sizeof(ULONGLONG_T)) || + !SM_TEST(sizeof(void*) <= sizeof(ULONGLONG_T))) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\ +Your C compiler appears to support a 64 bit integral type,\n\ +but libsm is not configured to use it. You will need to set\n\ +either SM_CONF_LONGLONG or SM_CONF_QUAD_T to 1. See libsm/README\n\ +for more details.\n"); + } + + /* + ** Most compilers notice that LLONG_MIN - 1 generate an underflow. + ** Some compiler generate code that will use the 'X' status bit + ** in a CPU and hence (LLONG_MIN - 1 > LLONG_MIN) will be false. + ** So we have to decide whether we want compiler warnings or + ** a wrong test... + ** Question: where do we really need what this test tests? + */ + +#if SM_CONF_TEST_LLONG + ll = LLONG_MIN; + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\ +Your C compiler maybe issued a warning during compilation,\n\ +please IGNORE the compiler warning!.\n"); + lt = LLONG_MIN - 1; + SM_TEST(lt > ll); + sm_snprintf(buf, sizeof(buf), "%llx", ll); + r = "0"; + if (!SM_TEST(buf[0] == '8') + || !SM_TEST(strspn(&buf[1], r) == sizeof(ll) * 2 - 1)) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "oops: LLONG_MIN=%s\n", buf); + } + + ll = LLONG_MAX; + lt = ll + 1; + SM_TEST(lt < ll); + sm_snprintf(buf, sizeof(buf), "%llx", ll); + r = "f"; + if (!SM_TEST(buf[0] == '7') + || !SM_TEST(strspn(&buf[1], r) == sizeof(ll) * 2 - 1)) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "oops: LLONG_MAX=%s\n", buf); + } +#endif /* SM_CONF_TEST_LLONG */ + + ull = ULLONG_MAX; + SM_TEST(ull + 1 == 0); + sm_snprintf(buf, sizeof(buf), "%llx", ull); + r = "f"; + SM_TEST(strspn(buf, r) == sizeof(ll) * 2); + + /* + ** If QUAD_MAX is defined by then quad_t is defined. + ** Make sure LONGLONG_T is at least as big as quad_t. + */ +#ifdef QUAD_MAX + SM_TEST(QUAD_MAX <= LLONG_MAX); +#endif + + return sm_test_end(); +} diff --git a/contrib/sendmail-8.13.4/libsm/test.c b/contrib/sendmail-8.13.4/libsm/test.c new file mode 100644 index 0000000000..361cc45576 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/test.c @@ -0,0 +1,155 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(Id, "@(#)$Id: test.c,v 1.16 2002/01/08 17:54:40 ca Exp $") + +/* +** Abstractions for writing libsm test programs. +*/ + +#include +#include +#include +#include +#include + +extern char *optarg; +extern int optind; +extern int optopt; +extern int opterr; + +int SmTestIndex; +int SmTestNumErrors; +bool SmTestVerbose; + +static char Help[] = "\ +%s [-h] [-d debugging] [-v]\n\ +\n\ +%s\n\ +\n\ +-h Display this help information.\n\ +-d debugging Set debug activation levels.\n\ +-v Verbose output.\n\ +"; + +static char Usage[] = "\ +Usage: %s [-h] [-v]\n\ +Use %s -h for help.\n\ +"; + +/* +** SM_TEST_BEGIN -- initialize test system. +** +** Parameters: +** argc -- argument counter. +** argv -- argument vector. +** testname -- description of tests. +** +** Results: +** none. +*/ + +void +sm_test_begin(argc, argv, testname) + int argc; + char **argv; + char *testname; +{ + int c; + + SmTestIndex = 0; + SmTestNumErrors = 0; + SmTestVerbose = false; + opterr = 0; + + while ((c = getopt(argc, argv, "vhd:")) != -1) + { + switch (c) + { + case 'v': + SmTestVerbose = true; + break; + case 'd': + sm_debug_addsettings_x(optarg); + break; + case 'h': + (void) fprintf(stdout, Help, argv[0], testname); + exit(0); + default: + (void) fprintf(stderr, + "Unknown command line option -%c\n", + optopt); + (void) fprintf(stderr, Usage, argv[0], argv[0]); + exit(1); + } + } +} + +/* +** SM_TEST -- single test. +** +** Parameters: +** success -- did test succeeed? +** expr -- expression that has been evaluated. +** filename -- guess... +** lineno -- line number. +** +** Results: +** value of success. +*/ + +bool +sm_test(success, expr, filename, lineno) + bool success; + char *expr; + char *filename; + int lineno; +{ + ++SmTestIndex; + if (SmTestVerbose) + (void) fprintf(stderr, "%d..", SmTestIndex); + if (!success) + { + ++SmTestNumErrors; + if (!SmTestVerbose) + (void) fprintf(stderr, "%d..", SmTestIndex); + (void) fprintf(stderr, "bad! %s:%d %s\n", filename, lineno, + expr); + } + else + { + if (SmTestVerbose) + (void) fprintf(stderr, "ok\n"); + } + return success; +} + +/* +** SM_TEST_END -- end of test system. +** +** Parameters: +** none. +** +** Results: +** number of errors. +*/ + +int +sm_test_end() +{ + (void) fprintf(stderr, "%d of %d tests completed successfully\n", + SmTestIndex - SmTestNumErrors, SmTestIndex); + if (SmTestNumErrors != 0) + (void) fprintf(stderr, "*** %d error%s in test! ***\n", + SmTestNumErrors, + SmTestNumErrors > 1 ? "s" : ""); + + return SmTestNumErrors; +} diff --git a/contrib/sendmail-8.13.4/libsm/ungetc.c b/contrib/sendmail-8.13.4/libsm/ungetc.c new file mode 100644 index 0000000000..289c7befee --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/ungetc.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: ungetc.c,v 1.29 2004/08/03 20:54:49 ca Exp $") + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +static void sm_submore_x __P((SM_FILE_T *)); + +/* +** SM_SUBMORE_X -- expand ungetc buffer +** +** Expand the ungetc buffer `in place'. That is, adjust fp->f_p when +** the buffer moves, so that it points the same distance from the end, +** and move the bytes in the buffer around as necessary so that they +** are all at the end (stack-style). +** +** Parameters: +** fp -- the file pointer +** +** Results: +** none. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +static void +sm_submore_x(fp) + SM_FILE_T *fp; +{ + register int i; + register unsigned char *p; + + if (fp->f_ub.smb_base == fp->f_ubuf) + { + /* Get a buffer; f_ubuf is fixed size. */ + p = sm_malloc_x((size_t) SM_IO_BUFSIZ); + fp->f_ub.smb_base = p; + fp->f_ub.smb_size = SM_IO_BUFSIZ; + p += SM_IO_BUFSIZ - sizeof(fp->f_ubuf); + for (i = sizeof(fp->f_ubuf); --i >= 0;) + p[i] = fp->f_ubuf[i]; + fp->f_p = p; + return; + } + i = fp->f_ub.smb_size; + p = sm_realloc_x(fp->f_ub.smb_base, i << 1); + + /* no overlap (hence can use memcpy) because we doubled the size */ + (void) memcpy((void *) (p + i), (void *) p, (size_t) i); + fp->f_p = p + i; + fp->f_ub.smb_base = p; + fp->f_ub.smb_size = i << 1; +} + +/* +** SM_IO_UNGETC -- place a character back into the buffer just read +** +** Parameters: +** fp -- the file pointer affected +** timeout -- time to complete ungetc +** c -- the character to place back +** +** Results: +** On success, returns value of character placed back, 0-255. +** Returns SM_IO_EOF if c == SM_IO_EOF or if last operation +** was a write and flush failed. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +int +sm_io_ungetc(fp, timeout, c) + register SM_FILE_T *fp; + int timeout; + int c; +{ + SM_REQUIRE_ISA(fp, SmFileMagic); + if (c == SM_IO_EOF) + return SM_IO_EOF; + if (timeout == SM_TIME_IMMEDIATE) + { + /* + ** Ungetting the buffer will take time and we are wanted to + ** return immediately. So... + */ + + errno = EAGAIN; + return SM_IO_EOF; + } + + if (!Sm_IO_DidInit) + sm_init(); + if ((fp->f_flags & SMRD) == 0) + { + /* + ** Not already reading: no good unless reading-and-writing. + ** Otherwise, flush any current write stuff. + */ + + if ((fp->f_flags & SMRW) == 0) + return SM_IO_EOF; + if (fp->f_flags & SMWR) + { + if (sm_flush(fp, &timeout)) + return SM_IO_EOF; + fp->f_flags &= ~SMWR; + fp->f_w = 0; + fp->f_lbfsize = 0; + } + fp->f_flags |= SMRD; + } + c = (unsigned char) c; + + /* + ** If we are in the middle of ungetc'ing, just continue. + ** This may require expanding the current ungetc buffer. + */ + + if (HASUB(fp)) + { + if (fp->f_r >= fp->f_ub.smb_size) + sm_submore_x(fp); + *--fp->f_p = c; + fp->f_r++; + return c; + } + fp->f_flags &= ~SMFEOF; + + /* + ** If we can handle this by simply backing up, do so, + ** but never replace the original character. + ** (This makes sscanf() work when scanning `const' data.) + */ + + if (fp->f_bf.smb_base != NULL && fp->f_p > fp->f_bf.smb_base && + fp->f_p[-1] == c) + { + fp->f_p--; + fp->f_r++; + return c; + } + + /* + ** Create an ungetc buffer. + ** Initially, we will use the `reserve' buffer. + */ + + fp->f_ur = fp->f_r; + fp->f_up = fp->f_p; + fp->f_ub.smb_base = fp->f_ubuf; + fp->f_ub.smb_size = sizeof(fp->f_ubuf); + fp->f_ubuf[sizeof(fp->f_ubuf) - 1] = c; + fp->f_p = &fp->f_ubuf[sizeof(fp->f_ubuf) - 1]; + fp->f_r = 1; + + return c; +} diff --git a/contrib/sendmail-8.13.4/libsm/vasprintf.c b/contrib/sendmail-8.13.4/libsm/vasprintf.c new file mode 100644 index 0000000000..69d8576339 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/vasprintf.c @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +/* + * Copyright (c) 1997 Todd C. Miller + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND TODD C. MILLER DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL TODD C. MILLER BE LIABLE + * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +SM_RCSID("@(#)$Id: vasprintf.c,v 1.27 2003/06/03 02:14:24 ca Exp $") +#include +#include +#include +#include +#include "local.h" + +/* +** SM_VASPRINTF -- printf to a dynamically allocated string +** +** Write 'printf' output to a dynamically allocated string +** buffer which is returned to the caller. +** +** Parameters: +** str -- *str receives a pointer to the allocated string +** fmt -- format directives for printing +** ap -- variable argument list +** +** Results: +** On failure, set *str to NULL, set errno, and return -1. +** +** On success, set *str to a pointer to a nul-terminated +** string buffer containing printf output, and return the +** length of the string (not counting the nul). +*/ + +#define SM_VA_BUFSIZE 128 + +int +sm_vasprintf(str, fmt, ap) + char **str; + const char *fmt; + SM_VA_LOCAL_DECL +{ + int ret; + SM_FILE_T fake; + unsigned char *base; + + fake.sm_magic = SmFileMagic; + fake.f_timeout = SM_TIME_FOREVER; + fake.f_timeoutstate = SM_TIME_BLOCK; + fake.f_file = -1; + fake.f_flags = SMWR | SMSTR | SMALC; + fake.f_bf.smb_base = fake.f_p = (unsigned char *)sm_malloc(SM_VA_BUFSIZE); + if (fake.f_bf.smb_base == NULL) + goto err2; + fake.f_close = NULL; + fake.f_open = NULL; + fake.f_read = NULL; + fake.f_write = NULL; + fake.f_seek = NULL; + fake.f_setinfo = fake.f_getinfo = NULL; + fake.f_type = "sm_vasprintf:fake"; + fake.f_bf.smb_size = fake.f_w = SM_VA_BUFSIZE - 1; + fake.f_timeout = SM_TIME_FOREVER; + ret = sm_io_vfprintf(&fake, SM_TIME_FOREVER, fmt, ap); + if (ret == -1) + goto err; + *fake.f_p = '\0'; + + /* use no more space than necessary */ + base = (unsigned char *) sm_realloc(fake.f_bf.smb_base, ret + 1); + if (base == NULL) + goto err; + *str = (char *)base; + return ret; + +err: + if (fake.f_bf.smb_base != NULL) + { + sm_free(fake.f_bf.smb_base); + fake.f_bf.smb_base = NULL; + } +err2: + *str = NULL; + errno = ENOMEM; + return -1; +} diff --git a/contrib/sendmail-8.13.4/libsm/vfprintf.c b/contrib/sendmail-8.13.4/libsm/vfprintf.c new file mode 100644 index 0000000000..e77c3358e3 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/vfprintf.c @@ -0,0 +1,1108 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: vfprintf.c,v 1.53 2004/08/03 20:54:49 ca Exp $") + +/* +** Overall: +** Actual printing innards. +** This code is large and complicated... +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" +#include "fvwrite.h" + +static int sm_bprintf __P((SM_FILE_T *, const char *, va_list)); +static void sm_find_arguments __P((const char *, va_list , va_list **)); +static void sm_grow_type_table_x __P((unsigned char **, int *)); +static int sm_print __P((SM_FILE_T *, int, struct sm_uio *)); + +/* +** SM_PRINT -- print/flush to the file +** +** Flush out all the vectors defined by the given uio, +** then reset it so that it can be reused. +** +** Parameters: +** fp -- file pointer +** timeout -- time to complete operation (milliseconds) +** uio -- vector list of memory locations of data for printing +** +** Results: +** Success: 0 (zero) +** Failure: +*/ + +static int +sm_print(fp, timeout, uio) + SM_FILE_T *fp; + int timeout; + register struct sm_uio *uio; +{ + register int err; + + if (uio->uio_resid == 0) + { + uio->uio_iovcnt = 0; + return 0; + } + err = sm_fvwrite(fp, timeout, uio); + uio->uio_resid = 0; + uio->uio_iovcnt = 0; + return err; +} + +/* +** SM_BPRINTF -- allow formating to an unbuffered file. +** +** Helper function for `fprintf to unbuffered unix file': creates a +** temporary buffer (via a "fake" file pointer). +** We only work on write-only files; this avoids +** worries about ungetc buffers and so forth. +** +** Parameters: +** fp -- the file to send the o/p to +** fmt -- format instructions for the o/p +** ap -- vectors of data units used for formating +** +** Results: +** Failure: SM_IO_EOF and errno set +** Success: number of data units used in the formating +** +** Side effects: +** formatted o/p can be SM_IO_BUFSIZ length maximum +*/ + +static int +sm_bprintf(fp, fmt, ap) + SM_FILE_T *fp; + const char *fmt; + SM_VA_LOCAL_DECL +{ + int ret; + SM_FILE_T fake; + unsigned char buf[SM_IO_BUFSIZ]; + extern const char SmFileMagic[]; + + /* copy the important variables */ + fake.sm_magic = SmFileMagic; + fake.f_timeout = SM_TIME_FOREVER; + fake.f_timeoutstate = SM_TIME_BLOCK; + fake.f_flags = fp->f_flags & ~SMNBF; + fake.f_file = fp->f_file; + fake.f_cookie = fp->f_cookie; + fake.f_write = fp->f_write; + fake.f_close = NULL; + fake.f_open = NULL; + fake.f_read = NULL; + fake.f_seek = NULL; + fake.f_setinfo = fake.f_getinfo = NULL; + fake.f_type = "sm_bprintf:fake"; + + /* set up the buffer */ + fake.f_bf.smb_base = fake.f_p = buf; + fake.f_bf.smb_size = fake.f_w = sizeof(buf); + fake.f_lbfsize = 0; /* not actually used, but Just In Case */ + + /* do the work, then copy any error status */ + ret = sm_io_vfprintf(&fake, SM_TIME_FOREVER, fmt, ap); + if (ret >= 0 && sm_io_flush(&fake, SM_TIME_FOREVER)) + ret = SM_IO_EOF; /* errno set by sm_io_flush */ + if (fake.f_flags & SMERR) + fp->f_flags |= SMERR; + return ret; +} + + +#define BUF 40 + +#define STATIC_ARG_TBL_SIZE 8 /* Size of static argument table. */ + + +/* Macros for converting digits to letters and vice versa */ +#define to_digit(c) ((c) - '0') +#define is_digit(c) ((unsigned) to_digit(c) <= 9) +#define to_char(n) ((char) (n) + '0') + +/* Flags used during conversion. */ +#define ALT 0x001 /* alternate form */ +#define HEXPREFIX 0x002 /* add 0x or 0X prefix */ +#define LADJUST 0x004 /* left adjustment */ +#define LONGINT 0x010 /* long integer */ +#define QUADINT 0x020 /* quad integer */ +#define SHORTINT 0x040 /* short integer */ +#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */ +#define FPT 0x100 /* Floating point number */ + +/* +** SM_IO_VPRINTF -- performs actual formating for o/p +** +** Parameters: +** fp -- file pointer for o/p +** timeout -- time to complete the print +** fmt0 -- formating directives +** ap -- vectors with data units for formating +** +** Results: +** Success: number of data units used for formatting +** Failure: SM_IO_EOF and sets errno +*/ + +int +sm_io_vfprintf(fp, timeout, fmt0, ap) + SM_FILE_T *fp; + int timeout; + const char *fmt0; + SM_VA_LOCAL_DECL +{ + register char *fmt; /* format string */ + register int ch; /* character from fmt */ + register int n, m, n2; /* handy integers (short term usage) */ + register char *cp; /* handy char pointer (short term usage) */ + register struct sm_iov *iovp;/* for PRINT macro */ + register int flags; /* flags as above */ + int ret; /* return value accumulator */ + int width; /* width from format (%8d), or 0 */ + int prec; /* precision from format (%.3d), or -1 */ + char sign; /* sign prefix (' ', '+', '-', or \0) */ + wchar_t wc; + ULONGLONG_T _uquad; /* integer arguments %[diouxX] */ + enum { OCT, DEC, HEX } base;/* base for [diouxX] conversion */ + int dprec; /* a copy of prec if [diouxX], 0 otherwise */ + int realsz; /* field size expanded by dprec */ + int size; /* size of converted field or string */ + char *xdigs="0123456789abcdef"; /* digits for [xX] conversion */ +#define NIOV 8 + struct sm_uio uio; /* output information: summary */ + struct sm_iov iov[NIOV];/* ... and individual io vectors */ + char buf[BUF]; /* space for %c, %[diouxX], %[eEfgG] */ + char ox[2]; /* space for 0x hex-prefix */ + va_list *argtable; /* args, built due to positional arg */ + va_list statargtable[STATIC_ARG_TBL_SIZE]; + int nextarg; /* 1-based argument index */ + va_list orgap; /* original argument pointer */ + + /* + ** Choose PADSIZE to trade efficiency vs. size. If larger printf + ** fields occur frequently, increase PADSIZE and make the initialisers + ** below longer. + */ +#define PADSIZE 16 /* pad chunk size */ + static char blanks[PADSIZE] = + {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; + static char zeroes[PADSIZE] = + {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'}; + + /* + ** BEWARE, these `goto error' on error, and PAD uses `n'. + */ +#define PRINT(ptr, len) do { \ + iovp->iov_base = (ptr); \ + iovp->iov_len = (len); \ + uio.uio_resid += (len); \ + iovp++; \ + if (++uio.uio_iovcnt >= NIOV) \ + { \ + if (sm_print(fp, timeout, &uio)) \ + goto error; \ + iovp = iov; \ + } \ +} while (0) +#define PAD(howmany, with) do \ +{ \ + if ((n = (howmany)) > 0) \ + { \ + while (n > PADSIZE) { \ + PRINT(with, PADSIZE); \ + n -= PADSIZE; \ + } \ + PRINT(with, n); \ + } \ +} while (0) +#define FLUSH() do \ +{ \ + if (uio.uio_resid && sm_print(fp, timeout, &uio)) \ + goto error; \ + uio.uio_iovcnt = 0; \ + iovp = iov; \ +} while (0) + + /* + ** To extend shorts properly, we need both signed and unsigned + ** argument extraction methods. + */ +#define SARG() \ + (flags&QUADINT ? SM_VA_ARG(ap, LONGLONG_T) : \ + flags&LONGINT ? GETARG(long) : \ + flags&SHORTINT ? (long) (short) GETARG(int) : \ + (long) GETARG(int)) +#define UARG() \ + (flags&QUADINT ? SM_VA_ARG(ap, ULONGLONG_T) : \ + flags&LONGINT ? GETARG(unsigned long) : \ + flags&SHORTINT ? (unsigned long) (unsigned short) GETARG(int) : \ + (unsigned long) GETARG(unsigned int)) + + /* + ** Get * arguments, including the form *nn$. Preserve the nextarg + ** that the argument can be gotten once the type is determined. + */ +#define GETASTER(val) \ + n2 = 0; \ + cp = fmt; \ + while (is_digit(*cp)) \ + { \ + n2 = 10 * n2 + to_digit(*cp); \ + cp++; \ + } \ + if (*cp == '$') \ + { \ + int hold = nextarg; \ + if (argtable == NULL) \ + { \ + argtable = statargtable; \ + sm_find_arguments(fmt0, orgap, &argtable); \ + } \ + nextarg = n2; \ + val = GETARG(int); \ + nextarg = hold; \ + fmt = ++cp; \ + } \ + else \ + { \ + val = GETARG(int); \ + } + +/* +** Get the argument indexed by nextarg. If the argument table is +** built, use it to get the argument. If its not, get the next +** argument (and arguments must be gotten sequentially). +*/ + +#if SM_VA_STD +# define GETARG(type) \ + (((argtable != NULL) ? (void) (ap = argtable[nextarg]) : (void) 0), \ + nextarg++, SM_VA_ARG(ap, type)) +#else /* SM_VA_STD */ +# define GETARG(type) \ + ((argtable != NULL) ? (*((type*)(argtable[nextarg++]))) : \ + (nextarg++, SM_VA_ARG(ap, type))) +#endif /* SM_VA_STD */ + + /* sorry, fprintf(read_only_file, "") returns SM_IO_EOF, not 0 */ + if (cantwrite(fp)) + { + errno = EBADF; + return SM_IO_EOF; + } + + /* optimise fprintf(stderr) (and other unbuffered Unix files) */ + if ((fp->f_flags & (SMNBF|SMWR|SMRW)) == (SMNBF|SMWR) && + fp->f_file >= 0) + return sm_bprintf(fp, fmt0, ap); + + fmt = (char *) fmt0; + argtable = NULL; + nextarg = 1; + SM_VA_COPY(orgap, ap); + uio.uio_iov = iovp = iov; + uio.uio_resid = 0; + uio.uio_iovcnt = 0; + ret = 0; + + /* Scan the format for conversions (`%' character). */ + for (;;) + { + cp = fmt; + n = 0; + while ((wc = *fmt) != '\0') + { + if (wc == '%') + { + n = 1; + break; + } + fmt++; + } + if ((m = fmt - cp) != 0) + { + PRINT(cp, m); + ret += m; + } + if (n <= 0) + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + dprec = 0; + width = 0; + prec = -1; + sign = '\0'; + +rflag: ch = *fmt++; +reswitch: switch (ch) + { + case ' ': + + /* + ** ``If the space and + flags both appear, the space + ** flag will be ignored.'' + ** -- ANSI X3J11 + */ + + if (!sign) + sign = ' '; + goto rflag; + case '#': + flags |= ALT; + goto rflag; + case '*': + + /* + ** ``A negative field width argument is taken as a + ** - flag followed by a positive field width.'' + ** -- ANSI X3J11 + ** They don't exclude field widths read from args. + */ + + GETASTER(width); + if (width >= 0) + goto rflag; + width = -width; + /* FALLTHROUGH */ + case '-': + flags |= LADJUST; + goto rflag; + case '+': + sign = '+'; + goto rflag; + case '.': + if ((ch = *fmt++) == '*') + { + GETASTER(n); + prec = n < 0 ? -1 : n; + goto rflag; + } + n = 0; + while (is_digit(ch)) + { + n = 10 * n + to_digit(ch); + ch = *fmt++; + } + if (ch == '$') + { + nextarg = n; + if (argtable == NULL) + { + argtable = statargtable; + sm_find_arguments(fmt0, orgap, + &argtable); + } + goto rflag; + } + prec = n < 0 ? -1 : n; + goto reswitch; + case '0': + + /* + ** ``Note that 0 is taken as a flag, not as the + ** beginning of a field width.'' + ** -- ANSI X3J11 + */ + + flags |= ZEROPAD; + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do + { + n = 10 * n + to_digit(ch); + ch = *fmt++; + } while (is_digit(ch)); + if (ch == '$') + { + nextarg = n; + if (argtable == NULL) + { + argtable = statargtable; + sm_find_arguments(fmt0, orgap, + &argtable); + } + goto rflag; + } + width = n; + goto reswitch; + case 'h': + flags |= SHORTINT; + goto rflag; + case 'l': + if (*fmt == 'l') + { + fmt++; + flags |= QUADINT; + } + else + { + flags |= LONGINT; + } + goto rflag; + case 'q': + flags |= QUADINT; + goto rflag; + case 'c': + *(cp = buf) = GETARG(int); + size = 1; + sign = '\0'; + break; + case 'D': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'd': + case 'i': + _uquad = SARG(); + if ((LONGLONG_T) _uquad < 0) + { + _uquad = -(LONGLONG_T) _uquad; + sign = '-'; + } + base = DEC; + goto number; + case 'e': + case 'E': + case 'f': + case 'g': + case 'G': + { + double val; + char *p; + char fmt[16]; + char out[150]; + size_t len; + + /* + ** This code implements floating point output + ** in the most portable manner possible, + ** relying only on 'sprintf' as defined by + ** the 1989 ANSI C standard. + ** We silently cap width and precision + ** at 120, to avoid buffer overflow. + */ + + val = GETARG(double); + + p = fmt; + *p++ = '%'; + if (sign) + *p++ = sign; + if (flags & ALT) + *p++ = '#'; + if (flags & LADJUST) + *p++ = '-'; + if (flags & ZEROPAD) + *p++ = '0'; + *p++ = '*'; + if (prec >= 0) + { + *p++ = '.'; + *p++ = '*'; + } + *p++ = ch; + *p = '\0'; + + if (width > 120) + width = 120; + if (prec > 120) + prec = 120; + if (prec >= 0) + sprintf(out, fmt, width, prec, val); + else + sprintf(out, fmt, width, val); + len = strlen(out); + PRINT(out, len); + FLUSH(); + continue; + } + case 'n': + if (flags & QUADINT) + *GETARG(LONGLONG_T *) = ret; + else if (flags & LONGINT) + *GETARG(long *) = ret; + else if (flags & SHORTINT) + *GETARG(short *) = ret; + else + *GETARG(int *) = ret; + continue; /* no output */ + case 'O': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'o': + _uquad = UARG(); + base = OCT; + goto nosign; + case 'p': + + /* + ** ``The argument shall be a pointer to void. The + ** value of the pointer is converted to a sequence + ** of printable characters, in an implementation- + ** defined manner.'' + ** -- ANSI X3J11 + */ + + /* NOSTRICT */ + { + union + { + void *p; + ULONGLONG_T ll; + unsigned long l; + unsigned i; + } u; + u.p = GETARG(void *); + if (sizeof(void *) == sizeof(ULONGLONG_T)) + _uquad = u.ll; + else if (sizeof(void *) == sizeof(long)) + _uquad = u.l; + else + _uquad = u.i; + } + base = HEX; + xdigs = "0123456789abcdef"; + flags |= HEXPREFIX; + ch = 'x'; + goto nosign; + case 's': + if ((cp = GETARG(char *)) == NULL) + cp = "(null)"; + if (prec >= 0) + { + /* + ** can't use strlen; can only look for the + ** NUL in the first `prec' characters, and + ** strlen() will go further. + */ + + char *p = memchr(cp, 0, prec); + + if (p != NULL) + { + size = p - cp; + if (size > prec) + size = prec; + } + else + size = prec; + } + else + size = strlen(cp); + sign = '\0'; + break; + case 'U': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'u': + _uquad = UARG(); + base = DEC; + goto nosign; + case 'X': + xdigs = "0123456789ABCDEF"; + goto hex; + case 'x': + xdigs = "0123456789abcdef"; +hex: _uquad = UARG(); + base = HEX; + /* leading 0x/X only if non-zero */ + if (flags & ALT && _uquad != 0) + flags |= HEXPREFIX; + + /* unsigned conversions */ +nosign: sign = '\0'; + + /* + ** ``... diouXx conversions ... if a precision is + ** specified, the 0 flag will be ignored.'' + ** -- ANSI X3J11 + */ + +number: if ((dprec = prec) >= 0) + flags &= ~ZEROPAD; + + /* + ** ``The result of converting a zero value with an + ** explicit precision of zero is no characters.'' + ** -- ANSI X3J11 + */ + + cp = buf + BUF; + if (_uquad != 0 || prec != 0) + { + /* + ** Unsigned mod is hard, and unsigned mod + ** by a constant is easier than that by + ** a variable; hence this switch. + */ + + switch (base) + { + case OCT: + do + { + *--cp = to_char(_uquad & 7); + _uquad >>= 3; + } while (_uquad); + /* handle octal leading 0 */ + if (flags & ALT && *cp != '0') + *--cp = '0'; + break; + + case DEC: + /* many numbers are 1 digit */ + while (_uquad >= 10) + { + *--cp = to_char(_uquad % 10); + _uquad /= 10; + } + *--cp = to_char(_uquad); + break; + + case HEX: + do + { + *--cp = xdigs[_uquad & 15]; + _uquad >>= 4; + } while (_uquad); + break; + + default: + cp = "bug in sm_io_vfprintf: bad base"; + size = strlen(cp); + goto skipsize; + } + } + size = buf + BUF - cp; + skipsize: + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + /* pretend it was %c with argument ch */ + cp = buf; + *cp = ch; + size = 1; + sign = '\0'; + break; + } + + /* + ** All reasonable formats wind up here. At this point, `cp' + ** points to a string which (if not flags&LADJUST) should be + ** padded out to `width' places. If flags&ZEROPAD, it should + ** first be prefixed by any sign or other prefix; otherwise, + ** it should be blank padded before the prefix is emitted. + ** After any left-hand padding and prefixing, emit zeroes + ** required by a decimal [diouxX] precision, then print the + ** string proper, then emit zeroes required by any leftover + ** floating precision; finally, if LADJUST, pad with blanks. + ** + ** Compute actual size, so we know how much to pad. + ** size excludes decimal prec; realsz includes it. + */ + + realsz = dprec > size ? dprec : size; + if (sign) + realsz++; + else if (flags & HEXPREFIX) + realsz+= 2; + + /* right-adjusting blank padding */ + if ((flags & (LADJUST|ZEROPAD)) == 0) + PAD(width - realsz, blanks); + + /* prefix */ + if (sign) + { + PRINT(&sign, 1); + } + else if (flags & HEXPREFIX) + { + ox[0] = '0'; + ox[1] = ch; + PRINT(ox, 2); + } + + /* right-adjusting zero padding */ + if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD) + PAD(width - realsz, zeroes); + + /* leading zeroes from decimal precision */ + PAD(dprec - size, zeroes); + + /* the string or number proper */ + PRINT(cp, size); + /* left-adjusting padding (always blank) */ + if (flags & LADJUST) + PAD(width - realsz, blanks); + + /* finally, adjust ret */ + ret += width > realsz ? width : realsz; + + FLUSH(); /* copy out the I/O vectors */ + } +done: + FLUSH(); +error: + if ((argtable != NULL) && (argtable != statargtable)) + sm_free(argtable); + return sm_error(fp) ? SM_IO_EOF : ret; + /* NOTREACHED */ +} + +/* Type ids for argument type table. */ +#define T_UNUSED 0 +#define T_SHORT 1 +#define T_U_SHORT 2 +#define TP_SHORT 3 +#define T_INT 4 +#define T_U_INT 5 +#define TP_INT 6 +#define T_LONG 7 +#define T_U_LONG 8 +#define TP_LONG 9 +#define T_QUAD 10 +#define T_U_QUAD 11 +#define TP_QUAD 12 +#define T_DOUBLE 13 +#define TP_CHAR 15 +#define TP_VOID 16 + +/* +** SM_FIND_ARGUMENTS -- find all args when a positional parameter is found. +** +** Find all arguments when a positional parameter is encountered. Returns a +** table, indexed by argument number, of pointers to each arguments. The +** initial argument table should be an array of STATIC_ARG_TBL_SIZE entries. +** It will be replaced with a malloc-ed one if it overflows. +** +** Parameters: +** fmt0 -- formating directives +** ap -- vector list of data unit for formating consumption +** argtable -- an indexable table (returned) of 'ap' +** +** Results: +** none. +*/ + +static void +sm_find_arguments(fmt0, ap, argtable) + const char *fmt0; + SM_VA_LOCAL_DECL + va_list **argtable; +{ + register char *fmt; /* format string */ + register int ch; /* character from fmt */ + register int n, n2; /* handy integer (short term usage) */ + register char *cp; /* handy char pointer (short term usage) */ + register int flags; /* flags as above */ + unsigned char *typetable; /* table of types */ + unsigned char stattypetable[STATIC_ARG_TBL_SIZE]; + int tablesize; /* current size of type table */ + int tablemax; /* largest used index in table */ + int nextarg; /* 1-based argument index */ + + /* Add an argument type to the table, expanding if necessary. */ +#define ADDTYPE(type) \ + ((nextarg >= tablesize) ? \ + (sm_grow_type_table_x(&typetable, &tablesize), 0) : 0, \ + typetable[nextarg++] = type, \ + (nextarg > tablemax) ? tablemax = nextarg : 0) + +#define ADDSARG() \ + ((flags & LONGINT) ? ADDTYPE(T_LONG) : \ + ((flags & SHORTINT) ? ADDTYPE(T_SHORT) : ADDTYPE(T_INT))) + +#define ADDUARG() \ + ((flags & LONGINT) ? ADDTYPE(T_U_LONG) : \ + ((flags & SHORTINT) ? ADDTYPE(T_U_SHORT) : ADDTYPE(T_U_INT))) + + /* Add * arguments to the type array. */ +#define ADDASTER() \ + n2 = 0; \ + cp = fmt; \ + while (is_digit(*cp)) \ + { \ + n2 = 10 * n2 + to_digit(*cp); \ + cp++; \ + } \ + if (*cp == '$') \ + { \ + int hold = nextarg; \ + nextarg = n2; \ + ADDTYPE (T_INT); \ + nextarg = hold; \ + fmt = ++cp; \ + } \ + else \ + { \ + ADDTYPE (T_INT); \ + } + fmt = (char *) fmt0; + typetable = stattypetable; + tablesize = STATIC_ARG_TBL_SIZE; + tablemax = 0; + nextarg = 1; + (void) memset(typetable, T_UNUSED, STATIC_ARG_TBL_SIZE); + + /* Scan the format for conversions (`%' character). */ + for (;;) + { + for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++) + /* void */; + if (ch == '\0') + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + +rflag: ch = *fmt++; +reswitch: switch (ch) + { + case ' ': + case '#': + goto rflag; + case '*': + ADDASTER(); + goto rflag; + case '-': + case '+': + goto rflag; + case '.': + if ((ch = *fmt++) == '*') + { + ADDASTER(); + goto rflag; + } + while (is_digit(ch)) + { + ch = *fmt++; + } + goto reswitch; + case '0': + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do + { + n = 10 * n + to_digit(ch); + ch = *fmt++; + } while (is_digit(ch)); + if (ch == '$') + { + nextarg = n; + goto rflag; + } + goto reswitch; + case 'h': + flags |= SHORTINT; + goto rflag; + case 'l': + flags |= LONGINT; + goto rflag; + case 'q': + flags |= QUADINT; + goto rflag; + case 'c': + ADDTYPE(T_INT); + break; + case 'D': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'd': + case 'i': + if (flags & QUADINT) + { + ADDTYPE(T_QUAD); + } + else + { + ADDSARG(); + } + break; + case 'e': + case 'E': + case 'f': + case 'g': + case 'G': + ADDTYPE(T_DOUBLE); + break; + case 'n': + if (flags & QUADINT) + ADDTYPE(TP_QUAD); + else if (flags & LONGINT) + ADDTYPE(TP_LONG); + else if (flags & SHORTINT) + ADDTYPE(TP_SHORT); + else + ADDTYPE(TP_INT); + continue; /* no output */ + case 'O': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'o': + if (flags & QUADINT) + ADDTYPE(T_U_QUAD); + else + ADDUARG(); + break; + case 'p': + ADDTYPE(TP_VOID); + break; + case 's': + ADDTYPE(TP_CHAR); + break; + case 'U': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'u': + if (flags & QUADINT) + ADDTYPE(T_U_QUAD); + else + ADDUARG(); + break; + case 'X': + case 'x': + if (flags & QUADINT) + ADDTYPE(T_U_QUAD); + else + ADDUARG(); + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + break; + } + } +done: + /* Build the argument table. */ + if (tablemax >= STATIC_ARG_TBL_SIZE) + { + *argtable = (va_list *) + sm_malloc(sizeof(va_list) * (tablemax + 1)); + } + + for (n = 1; n <= tablemax; n++) + { + SM_VA_COPY((*argtable)[n], ap); + switch (typetable [n]) + { + case T_UNUSED: + (void) SM_VA_ARG(ap, int); + break; + case T_SHORT: + (void) SM_VA_ARG(ap, int); + break; + case T_U_SHORT: + (void) SM_VA_ARG(ap, int); + break; + case TP_SHORT: + (void) SM_VA_ARG(ap, short *); + break; + case T_INT: + (void) SM_VA_ARG(ap, int); + break; + case T_U_INT: + (void) SM_VA_ARG(ap, unsigned int); + break; + case TP_INT: + (void) SM_VA_ARG(ap, int *); + break; + case T_LONG: + (void) SM_VA_ARG(ap, long); + break; + case T_U_LONG: + (void) SM_VA_ARG(ap, unsigned long); + break; + case TP_LONG: + (void) SM_VA_ARG(ap, long *); + break; + case T_QUAD: + (void) SM_VA_ARG(ap, LONGLONG_T); + break; + case T_U_QUAD: + (void) SM_VA_ARG(ap, ULONGLONG_T); + break; + case TP_QUAD: + (void) SM_VA_ARG(ap, LONGLONG_T *); + break; + case T_DOUBLE: + (void) SM_VA_ARG(ap, double); + break; + case TP_CHAR: + (void) SM_VA_ARG(ap, char *); + break; + case TP_VOID: + (void) SM_VA_ARG(ap, void *); + break; + } + } + + if ((typetable != NULL) && (typetable != stattypetable)) + sm_free(typetable); +} + +/* +** SM_GROW_TYPE_TABLE -- Increase the size of the type table. +** +** Parameters: +** tabletype -- type of table to grow +** tablesize -- requested new table size +** +** Results: +** Raises an exception if can't allocate memory. +*/ + +static void +sm_grow_type_table_x(typetable, tablesize) + unsigned char **typetable; + int *tablesize; +{ + unsigned char *oldtable = *typetable; + int newsize = *tablesize * 2; + + if (*tablesize == STATIC_ARG_TBL_SIZE) + { + *typetable = (unsigned char *) sm_malloc_x(sizeof(unsigned char) + * newsize); + (void) memmove(*typetable, oldtable, *tablesize); + } + else + { + *typetable = (unsigned char *) sm_realloc_x(typetable, + sizeof(unsigned char) * newsize); + } + (void) memset(&typetable [*tablesize], T_UNUSED, + (newsize - *tablesize)); + + *tablesize = newsize; +} diff --git a/contrib/sendmail-8.13.4/libsm/vfscanf.c b/contrib/sendmail-8.13.4/libsm/vfscanf.c new file mode 100644 index 0000000000..d7f1a3d746 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/vfscanf.c @@ -0,0 +1,875 @@ +/* + * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_IDSTR(id, "@(#)$Id: vfscanf.c,v 1.52 2004/08/03 20:56:32 ca Exp $") + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "local.h" + +#define BUF 513 /* Maximum length of numeric string. */ + +/* Flags used during conversion. */ +#define LONG 0x01 /* l: long or double */ +#define SHORT 0x04 /* h: short */ +#define QUAD 0x08 /* q: quad (same as ll) */ +#define SUPPRESS 0x10 /* suppress assignment */ +#define POINTER 0x20 /* weird %p pointer (`fake hex') */ +#define NOSKIP 0x40 /* do not skip blanks */ + +/* +** The following are used in numeric conversions only: +** SIGNOK, NDIGITS, DPTOK, and EXPOK are for floating point; +** SIGNOK, NDIGITS, PFXOK, and NZDIGITS are for integral. +*/ + +#define SIGNOK 0x080 /* +/- is (still) legal */ +#define NDIGITS 0x100 /* no digits detected */ + +#define DPTOK 0x200 /* (float) decimal point is still legal */ +#define EXPOK 0x400 /* (float) exponent (e+3, etc) still legal */ + +#define PFXOK 0x200 /* 0x prefix is (still) legal */ +#define NZDIGITS 0x400 /* no zero digits detected */ + +/* Conversion types. */ +#define CT_CHAR 0 /* %c conversion */ +#define CT_CCL 1 /* %[...] conversion */ +#define CT_STRING 2 /* %s conversion */ +#define CT_INT 3 /* integer, i.e., strtoll or strtoull */ +#define CT_FLOAT 4 /* floating, i.e., strtod */ + +static void scanalrm __P((int)); +static unsigned char *sm_sccl __P((char *, unsigned char *)); +static jmp_buf ScanTimeOut; + +/* +** SCANALRM -- handler when timeout activated for sm_io_vfscanf() +** +** Returns flow of control to where setjmp(ScanTimeOut) was set. +** +** Parameters: +** sig -- unused +** +** Returns: +** does not return +** +** Side Effects: +** returns flow of control to setjmp(ScanTimeOut). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +static void +scanalrm(sig) + int sig; +{ + longjmp(ScanTimeOut, 1); +} + +/* +** SM_VFSCANF -- convert input into data units +** +** Parameters: +** fp -- file pointer for input data +** timeout -- time intvl allowed to complete (milliseconds) +** fmt0 -- format for finding data units +** ap -- vectors for memory location for storing data units +** +** Results: +** Success: number of data units assigned +** Failure: SM_IO_EOF +*/ + +int +sm_vfscanf(fp, timeout, fmt0, ap) + register SM_FILE_T *fp; + int SM_NONVOLATILE timeout; + char const *fmt0; + va_list SM_NONVOLATILE ap; +{ + register unsigned char *SM_NONVOLATILE fmt = (unsigned char *) fmt0; + register int c; /* character from format, or conversion */ + register size_t width; /* field width, or 0 */ + register char *p; /* points into all kinds of strings */ + register int n; /* handy integer */ + register int flags; /* flags as defined above */ + register char *p0; /* saves original value of p when necessary */ + int nassigned; /* number of fields assigned */ + int nread; /* number of characters consumed from fp */ + int base; /* base argument to strtoll/strtoull */ + ULONGLONG_T (*ccfn)(); /* conversion function (strtoll/strtoull) */ + char ccltab[256]; /* character class table for %[...] */ + char buf[BUF]; /* buffer for numeric conversions */ + SM_EVENT *evt = NULL; + + /* `basefix' is used to avoid `if' tests in the integer scanner */ + static short basefix[17] = + { 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; + + if (timeout == SM_TIME_DEFAULT) + timeout = fp->f_timeout; + if (timeout == SM_TIME_IMMEDIATE) + { + /* + ** Filling the buffer will take time and we are wanted to + ** return immediately. So... + */ + + errno = EAGAIN; + return SM_IO_EOF; + } + + if (timeout != SM_TIME_FOREVER) + { + if (setjmp(ScanTimeOut) != 0) + { + errno = EAGAIN; + return SM_IO_EOF; + } + + evt = sm_seteventm(timeout, scanalrm, 0); + } + + nassigned = 0; + nread = 0; + base = 0; /* XXX just to keep gcc happy */ + ccfn = NULL; /* XXX just to keep gcc happy */ + for (;;) + { + c = *fmt++; + if (c == 0) + { + if (evt != NULL) + sm_clrevent(evt); /* undo our timeout */ + return nassigned; + } + if (isspace(c)) + { + while ((fp->f_r > 0 || sm_refill(fp, SM_TIME_FOREVER) + == 0) && + isspace(*fp->f_p)) + nread++, fp->f_r--, fp->f_p++; + continue; + } + if (c != '%') + goto literal; + width = 0; + flags = 0; + + /* + ** switch on the format. continue if done; + ** break once format type is derived. + */ + +again: c = *fmt++; + switch (c) + { + case '%': +literal: + if (fp->f_r <= 0 && sm_refill(fp, SM_TIME_FOREVER)) + goto input_failure; + if (*fp->f_p != c) + goto match_failure; + fp->f_r--, fp->f_p++; + nread++; + continue; + + case '*': + flags |= SUPPRESS; + goto again; + case 'h': + flags |= SHORT; + goto again; + case 'l': + if (*fmt == 'l') + { + fmt++; + flags |= QUAD; + } + else + { + flags |= LONG; + } + goto again; + case 'q': + flags |= QUAD; + goto again; + + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + width = width * 10 + c - '0'; + goto again; + + /* + ** Conversions. + ** Those marked `compat' are for 4.[123]BSD compatibility. + ** + ** (According to ANSI, E and X formats are supposed + ** to the same as e and x. Sorry about that.) + */ + + case 'D': /* compat */ + flags |= LONG; + /* FALLTHROUGH */ + case 'd': + c = CT_INT; + ccfn = (ULONGLONG_T (*)())sm_strtoll; + base = 10; + break; + + case 'i': + c = CT_INT; + ccfn = (ULONGLONG_T (*)())sm_strtoll; + base = 0; + break; + + case 'O': /* compat */ + flags |= LONG; + /* FALLTHROUGH */ + case 'o': + c = CT_INT; + ccfn = sm_strtoull; + base = 8; + break; + + case 'u': + c = CT_INT; + ccfn = sm_strtoull; + base = 10; + break; + + case 'X': + case 'x': + flags |= PFXOK; /* enable 0x prefixing */ + c = CT_INT; + ccfn = sm_strtoull; + base = 16; + break; + + case 'E': + case 'G': + case 'e': + case 'f': + case 'g': + c = CT_FLOAT; + break; + + case 's': + c = CT_STRING; + break; + + case '[': + fmt = sm_sccl(ccltab, fmt); + flags |= NOSKIP; + c = CT_CCL; + break; + + case 'c': + flags |= NOSKIP; + c = CT_CHAR; + break; + + case 'p': /* pointer format is like hex */ + flags |= POINTER | PFXOK; + c = CT_INT; + ccfn = sm_strtoull; + base = 16; + break; + + case 'n': + if (flags & SUPPRESS) /* ??? */ + continue; + if (flags & SHORT) + *SM_VA_ARG(ap, short *) = nread; + else if (flags & LONG) + *SM_VA_ARG(ap, long *) = nread; + else + *SM_VA_ARG(ap, int *) = nread; + continue; + + /* Disgusting backwards compatibility hacks. XXX */ + case '\0': /* compat */ + if (evt != NULL) + sm_clrevent(evt); /* undo our timeout */ + return SM_IO_EOF; + + default: /* compat */ + if (isupper(c)) + flags |= LONG; + c = CT_INT; + ccfn = (ULONGLONG_T (*)()) sm_strtoll; + base = 10; + break; + } + + /* We have a conversion that requires input. */ + if (fp->f_r <= 0 && sm_refill(fp, SM_TIME_FOREVER)) + goto input_failure; + + /* + ** Consume leading white space, except for formats + ** that suppress this. + */ + + if ((flags & NOSKIP) == 0) + { + while (isspace(*fp->f_p)) + { + nread++; + if (--fp->f_r > 0) + fp->f_p++; + else if (sm_refill(fp, SM_TIME_FOREVER)) + goto input_failure; + } + /* + ** Note that there is at least one character in + ** the buffer, so conversions that do not set NOSKIP + ** can no longer result in an input failure. + */ + } + + /* Do the conversion. */ + switch (c) + { + case CT_CHAR: + /* scan arbitrary characters (sets NOSKIP) */ + if (width == 0) + width = 1; + if (flags & SUPPRESS) + { + size_t sum = 0; + for (;;) + { + if ((size_t) (n = fp->f_r) < width) + { + sum += n; + width -= n; + fp->f_p += n; + if (sm_refill(fp, + SM_TIME_FOREVER)) + { + if (sum == 0) + goto input_failure; + break; + } + } + else + { + sum += width; + fp->f_r -= width; + fp->f_p += width; + break; + } + } + nread += sum; + } + else + { + size_t r; + + r = sm_io_read(fp, SM_TIME_FOREVER, + (void *) SM_VA_ARG(ap, char *), + width); + if (r == 0) + goto input_failure; + nread += r; + nassigned++; + } + break; + + case CT_CCL: + /* scan a (nonempty) character class (sets NOSKIP) */ + if (width == 0) + width = (size_t)~0; /* `infinity' */ + + /* take only those things in the class */ + if (flags & SUPPRESS) + { + n = 0; + while (ccltab[*fp->f_p] != '\0') + { + n++, fp->f_r--, fp->f_p++; + if (--width == 0) + break; + if (fp->f_r <= 0 && + sm_refill(fp, SM_TIME_FOREVER)) + { + if (n == 0) /* XXX how? */ + goto input_failure; + break; + } + } + if (n == 0) + goto match_failure; + } + else + { + p0 = p = SM_VA_ARG(ap, char *); + while (ccltab[*fp->f_p] != '\0') + { + fp->f_r--; + *p++ = *fp->f_p++; + if (--width == 0) + break; + if (fp->f_r <= 0 && + sm_refill(fp, SM_TIME_FOREVER)) + { + if (p == p0) + goto input_failure; + break; + } + } + n = p - p0; + if (n == 0) + goto match_failure; + *p = 0; + nassigned++; + } + nread += n; + break; + + case CT_STRING: + /* like CCL, but zero-length string OK, & no NOSKIP */ + if (width == 0) + width = (size_t)~0; + if (flags & SUPPRESS) + { + n = 0; + while (!isspace(*fp->f_p)) + { + n++, fp->f_r--, fp->f_p++; + if (--width == 0) + break; + if (fp->f_r <= 0 && + sm_refill(fp, SM_TIME_FOREVER)) + break; + } + nread += n; + } + else + { + p0 = p = SM_VA_ARG(ap, char *); + while (!isspace(*fp->f_p)) + { + fp->f_r--; + *p++ = *fp->f_p++; + if (--width == 0) + break; + if (fp->f_r <= 0 && + sm_refill(fp, SM_TIME_FOREVER)) + break; + } + *p = 0; + nread += p - p0; + nassigned++; + } + continue; + + case CT_INT: + /* scan an integer as if by strtoll/strtoull */ +#if SM_CONF_BROKEN_SIZE_T + if (width == 0 || width > sizeof(buf) - 1) + width = sizeof(buf) - 1; +#else /* SM_CONF_BROKEN_SIZE_T */ + /* size_t is unsigned, hence this optimisation */ + if (--width > sizeof(buf) - 2) + width = sizeof(buf) - 2; + width++; +#endif /* SM_CONF_BROKEN_SIZE_T */ + flags |= SIGNOK | NDIGITS | NZDIGITS; + for (p = buf; width > 0; width--) + { + c = *fp->f_p; + + /* + ** Switch on the character; `goto ok' + ** if we accept it as a part of number. + */ + + switch (c) + { + + /* + ** The digit 0 is always legal, but is + ** special. For %i conversions, if no + ** digits (zero or nonzero) have been + ** scanned (only signs), we will have + ** base==0. In that case, we should set + ** it to 8 and enable 0x prefixing. + ** Also, if we have not scanned zero digits + ** before this, do not turn off prefixing + ** (someone else will turn it off if we + ** have scanned any nonzero digits). + */ + + case '0': + if (base == 0) + { + base = 8; + flags |= PFXOK; + } + if (flags & NZDIGITS) + flags &= ~(SIGNOK|NZDIGITS|NDIGITS); + else + flags &= ~(SIGNOK|PFXOK|NDIGITS); + goto ok; + + /* 1 through 7 always legal */ + case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + base = basefix[base]; + flags &= ~(SIGNOK | PFXOK | NDIGITS); + goto ok; + + /* digits 8 and 9 ok iff decimal or hex */ + case '8': case '9': + base = basefix[base]; + if (base <= 8) + break; /* not legal here */ + flags &= ~(SIGNOK | PFXOK | NDIGITS); + goto ok; + + /* letters ok iff hex */ + case 'A': case 'B': case 'C': + case 'D': case 'E': case 'F': + case 'a': case 'b': case 'c': + case 'd': case 'e': case 'f': + + /* no need to fix base here */ + if (base <= 10) + break; /* not legal here */ + flags &= ~(SIGNOK | PFXOK | NDIGITS); + goto ok; + + /* sign ok only as first character */ + case '+': case '-': + if (flags & SIGNOK) + { + flags &= ~SIGNOK; + goto ok; + } + break; + + /* x ok iff flag still set & 2nd char */ + case 'x': case 'X': + if (flags & PFXOK && p == buf + 1) + { + base = 16; /* if %i */ + flags &= ~PFXOK; + goto ok; + } + break; + } + + /* + ** If we got here, c is not a legal character + ** for a number. Stop accumulating digits. + */ + + break; + ok: + /* c is legal: store it and look at the next. */ + *p++ = c; + if (--fp->f_r > 0) + fp->f_p++; + else if (sm_refill(fp, SM_TIME_FOREVER)) + break; /* SM_IO_EOF */ + } + + /* + ** If we had only a sign, it is no good; push + ** back the sign. If the number ends in `x', + ** it was [sign] '0' 'x', so push back the x + ** and treat it as [sign] '0'. + */ + + if (flags & NDIGITS) + { + if (p > buf) + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, + *(unsigned char *)--p); + goto match_failure; + } + c = ((unsigned char *)p)[-1]; + if (c == 'x' || c == 'X') + { + --p; + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, c); + } + if ((flags & SUPPRESS) == 0) + { + ULONGLONG_T res; + + *p = 0; + res = (*ccfn)(buf, (char **)NULL, base); + if (flags & POINTER) + *SM_VA_ARG(ap, void **) = + (void *)(long) res; + else if (flags & QUAD) + *SM_VA_ARG(ap, LONGLONG_T *) = res; + else if (flags & LONG) + *SM_VA_ARG(ap, long *) = res; + else if (flags & SHORT) + *SM_VA_ARG(ap, short *) = res; + else + *SM_VA_ARG(ap, int *) = res; + nassigned++; + } + nread += p - buf; + break; + + case CT_FLOAT: + /* scan a floating point number as if by strtod */ + if (width == 0 || width > sizeof(buf) - 1) + width = sizeof(buf) - 1; + flags |= SIGNOK | NDIGITS | DPTOK | EXPOK; + for (p = buf; width; width--) + { + c = *fp->f_p; + + /* + ** This code mimicks the integer conversion + ** code, but is much simpler. + */ + + switch (c) + { + + case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + case '8': case '9': + flags &= ~(SIGNOK | NDIGITS); + goto fok; + + case '+': case '-': + if (flags & SIGNOK) + { + flags &= ~SIGNOK; + goto fok; + } + break; + case '.': + if (flags & DPTOK) + { + flags &= ~(SIGNOK | DPTOK); + goto fok; + } + break; + case 'e': case 'E': + + /* no exponent without some digits */ + if ((flags&(NDIGITS|EXPOK)) == EXPOK) + { + flags = + (flags & ~(EXPOK|DPTOK)) | + SIGNOK | NDIGITS; + goto fok; + } + break; + } + break; + fok: + *p++ = c; + if (--fp->f_r > 0) + fp->f_p++; + else if (sm_refill(fp, SM_TIME_FOREVER)) + break; /* SM_IO_EOF */ + } + + /* + ** If no digits, might be missing exponent digits + ** (just give back the exponent) or might be missing + ** regular digits, but had sign and/or decimal point. + */ + + if (flags & NDIGITS) + { + if (flags & EXPOK) + { + /* no digits at all */ + while (p > buf) + (void) sm_io_ungetc(fp, + SM_TIME_DEFAULT, + *(unsigned char *)--p); + goto match_failure; + } + + /* just a bad exponent (e and maybe sign) */ + c = *(unsigned char *) --p; + if (c != 'e' && c != 'E') + { + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, + c); /* sign */ + c = *(unsigned char *)--p; + } + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, c); + } + if ((flags & SUPPRESS) == 0) + { + double res; + + *p = 0; + res = strtod(buf, (char **) NULL); + if (flags & LONG) + *SM_VA_ARG(ap, double *) = res; + else + *SM_VA_ARG(ap, float *) = res; + nassigned++; + } + nread += p - buf; + break; + } + } +input_failure: + if (evt != NULL) + sm_clrevent(evt); /* undo our timeout */ + return nassigned ? nassigned : -1; +match_failure: + if (evt != NULL) + sm_clrevent(evt); /* undo our timeout */ + return nassigned; +} + +/* +** SM_SCCL -- sequenced character comparison list +** +** Fill in the given table from the scanset at the given format +** (just after `['). Return a pointer to the character past the +** closing `]'. The table has a 1 wherever characters should be +** considered part of the scanset. +** +** Parameters: +** tab -- array flagging "active" char's to match (returned) +** fmt -- character list (within "[]") +** +** Results: +*/ + +static unsigned char * +sm_sccl(tab, fmt) + register char *tab; + register unsigned char *fmt; +{ + register int c, n, v; + + /* first `clear' the whole table */ + c = *fmt++; /* first char hat => negated scanset */ + if (c == '^') + { + v = 1; /* default => accept */ + c = *fmt++; /* get new first char */ + } + else + v = 0; /* default => reject */ + + /* should probably use memset here */ + for (n = 0; n < 256; n++) + tab[n] = v; + if (c == 0) + return fmt - 1; /* format ended before closing ] */ + + /* + ** Now set the entries corresponding to the actual scanset + ** to the opposite of the above. + ** + ** The first character may be ']' (or '-') without being special; + ** the last character may be '-'. + */ + + v = 1 - v; + for (;;) + { + tab[c] = v; /* take character c */ +doswitch: + n = *fmt++; /* and examine the next */ + switch (n) + { + + case 0: /* format ended too soon */ + return fmt - 1; + + case '-': + /* + ** A scanset of the form + ** [01+-] + ** is defined as `the digit 0, the digit 1, + ** the character +, the character -', but + ** the effect of a scanset such as + ** [a-zA-Z0-9] + ** is implementation defined. The V7 Unix + ** scanf treats `a-z' as `the letters a through + ** z', but treats `a-a' as `the letter a, the + ** character -, and the letter a'. + ** + ** For compatibility, the `-' is not considerd + ** to define a range if the character following + ** it is either a close bracket (required by ANSI) + ** or is not numerically greater than the character + ** we just stored in the table (c). + */ + + n = *fmt; + if (n == ']' || n < c) + { + c = '-'; + break; /* resume the for(;;) */ + } + fmt++; + do + { + /* fill in the range */ + tab[++c] = v; + } while (c < n); +#if 1 /* XXX another disgusting compatibility hack */ + + /* + ** Alas, the V7 Unix scanf also treats formats + ** such as [a-c-e] as `the letters a through e'. + ** This too is permitted by the standard.... + */ + + goto doswitch; +#else + c = *fmt++; + if (c == 0) + return fmt - 1; + if (c == ']') + return fmt; + break; +#endif + + case ']': /* end of scanset */ + return fmt; + + default: /* just another character */ + c = n; + break; + } + } + /* NOTREACHED */ +} diff --git a/contrib/sendmail-8.13.4/libsm/vprintf.c b/contrib/sendmail-8.13.4/libsm/vprintf.c new file mode 100644 index 0000000000..6e310efa6f --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/vprintf.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: vprintf.c,v 1.14 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include "local.h" + +/* +** SM_VPRINTF -- print to standard out with variable length args +** +** Parameters: +** timeout -- length of time allow to do the print +** fmt -- the format of the output +** ap -- the variable number of args to be used for output +** +** Returns: +** as sm_io_vfprintf() does. +*/ + +int +sm_vprintf(timeout, fmt, ap) + int timeout; + char const *fmt; + SM_VA_LOCAL_DECL +{ + return sm_io_vfprintf(smiostdout, timeout, fmt, ap); +} diff --git a/contrib/sendmail-8.13.4/libsm/vsnprintf.c b/contrib/sendmail-8.13.4/libsm/vsnprintf.c new file mode 100644 index 0000000000..18a46358bd --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/vsnprintf.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: vsnprintf.c,v 1.23 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include "local.h" + +/* +** SM_VSNPRINTF -- format data for "output" into a string +** +** Assigned 'str' to a "fake" file pointer. This allows common +** o/p formatting function sm_vprintf() to be used. +** +** Parameters: +** str -- location for output +** n -- maximum size for o/p +** fmt -- format directives +** ap -- data unit vectors for use by 'fmt' +** +** Results: +** result from sm_io_vfprintf() +** +** Side Effects: +** Limits the size ('n') to INT_MAX. +*/ + +int +sm_vsnprintf(str, n, fmt, ap) + char *str; + size_t n; + const char *fmt; + SM_VA_LOCAL_DECL +{ + int ret; + char dummy; + SM_FILE_T fake; + + /* While snprintf(3) specifies size_t stdio uses an int internally */ + if (n > INT_MAX) + n = INT_MAX; + + /* Stdio internals do not deal correctly with zero length buffer */ + if (n == 0) + { + str = &dummy; + n = 1; + } + fake.sm_magic = SmFileMagic; + fake.f_timeout = SM_TIME_FOREVER; + fake.f_timeoutstate = SM_TIME_BLOCK; + fake.f_file = -1; + fake.f_flags = SMWR | SMSTR; + fake.f_bf.smb_base = fake.f_p = (unsigned char *)str; + fake.f_bf.smb_size = fake.f_w = n - 1; + fake.f_close = NULL; + fake.f_open = NULL; + fake.f_read = NULL; + fake.f_write = NULL; + fake.f_seek = NULL; + fake.f_setinfo = fake.f_getinfo = NULL; + fake.f_type = "sm_vsnprintf:fake"; + ret = sm_io_vfprintf(&fake, SM_TIME_FOREVER, fmt, ap); + *fake.f_p = 0; + return ret; +} diff --git a/contrib/sendmail-8.13.4/libsm/wbuf.c b/contrib/sendmail-8.13.4/libsm/wbuf.c new file mode 100644 index 0000000000..83855351ce --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/wbuf.c @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: wbuf.c,v 1.21 2001/09/11 04:04:49 gshapiro Exp $") +#include +#include +#include "local.h" + +/* Note: This function is called from a macro located in */ + +/* +** SM_WBUF -- write character to and flush (likely now full) buffer +** +** Write the given character into the (probably full) buffer for +** the given file. Flush the buffer out if it is or becomes full, +** or if c=='\n' and the file is line buffered. +** +** Parameters: +** fp -- the file pointer +** timeout -- time to complete operation (milliseconds) +** c -- int representation of the character to add +** +** Results: +** Failure: -1 and sets errno +** Success: int value of 'c' +*/ + +int +sm_wbuf(fp, timeout, c) + register SM_FILE_T *fp; + int timeout; + register int c; +{ + register int n; + + /* + ** In case we cannot write, or longjmp takes us out early, + ** make sure w is 0 (if fully- or un-buffered) or -bf.smb_size + ** (if line buffered) so that we will get called again. + ** If we did not do this, a sufficient number of sm_io_putc() + ** calls might wrap w from negative to positive. + */ + + fp->f_w = fp->f_lbfsize; + if (cantwrite(fp)) + { + errno = EBADF; + return SM_IO_EOF; + } + c = (unsigned char)c; + + /* + ** If it is completely full, flush it out. Then, in any case, + ** stuff c into the buffer. If this causes the buffer to fill + ** completely, or if c is '\n' and the file is line buffered, + ** flush it (perhaps a second time). The second flush will always + ** happen on unbuffered streams, where bf.smb_size==1; sm_io_flush() + ** guarantees that sm_io_putc() will always call sm_wbuf() by setting + ** w to 0, so we need not do anything else. + ** Note for the timeout, only one of the sm_io_flush's will get called. + */ + + n = fp->f_p - fp->f_bf.smb_base; + if (n >= fp->f_bf.smb_size) + { + if (sm_io_flush(fp, timeout)) + return SM_IO_EOF; /* sm_io_flush() sets errno */ + n = 0; + } + fp->f_w--; + *fp->f_p++ = c; + if (++n == fp->f_bf.smb_size || (fp->f_flags & SMLBF && c == '\n')) + if (sm_io_flush(fp, timeout)) + return SM_IO_EOF; /* sm_io_flush() sets errno */ + return c; +} diff --git a/contrib/sendmail-8.13.4/libsm/wsetup.c b/contrib/sendmail-8.13.4/libsm/wsetup.c new file mode 100644 index 0000000000..400553e17c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/wsetup.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: wsetup.c,v 1.20 2002/02/07 18:02:45 ca Exp $") +#include +#include +#include +#include "local.h" + +/* +** SM_WSETUP -- check writing is safe +** +** Various output routines call wsetup to be sure it is safe to write, +** because either flags does not include SMMWR, or buf is NULL. +** Used in the macro "cantwrite" found in "local.h". +** +** Parameters: +** fp -- the file pointer +** +** Results: +** Failure: SM_IO_EOF and sets errno +** Success: 0 (zero) +*/ + +int +sm_wsetup(fp) + register SM_FILE_T *fp; +{ + /* make sure stdio is set up */ + if (!Sm_IO_DidInit) + sm_init(); + + /* If we are not writing, we had better be reading and writing. */ + if ((fp->f_flags & SMWR) == 0) + { + if ((fp->f_flags & SMRW) == 0) + { + errno = EBADF; + return SM_IO_EOF; + } + if (fp->f_flags & SMRD) + { + /* clobber any ungetc data */ + if (HASUB(fp)) + FREEUB(fp); + + /* discard read buffer */ + fp->f_flags &= ~(SMRD|SMFEOF); + fp->f_r = 0; + fp->f_p = fp->f_bf.smb_base; + } + fp->f_flags |= SMWR; + } + + /* Make a buffer if necessary, then set w. */ + if (fp->f_bf.smb_base == NULL) + sm_makebuf(fp); + if (fp->f_flags & SMLBF) + { + /* + ** It is line buffered, so make lbfsize be -bufsize + ** for the sm_putc() macro. We will change lbfsize back + ** to 0 whenever we turn off SMWR. + */ + + fp->f_w = 0; + fp->f_lbfsize = -fp->f_bf.smb_size; + } + else + fp->f_w = fp->f_flags & SMNBF ? 0 : fp->f_bf.smb_size; + return 0; +} diff --git a/contrib/sendmail-8.13.4/libsm/xtrap.c b/contrib/sendmail-8.13.4/libsm/xtrap.c new file mode 100644 index 0000000000..7495e0994d --- /dev/null +++ b/contrib/sendmail-8.13.4/libsm/xtrap.c @@ -0,0 +1,21 @@ +/* + * Copyright (c) 2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include +SM_RCSID("@(#)$Id: xtrap.c,v 1.5 2001/09/11 04:04:49 gshapiro Exp $") + +#include + +SM_ATOMIC_UINT_T SmXtrapCount; + +SM_DEBUG_T SmXtrapDebug = SM_DEBUG_INITIALIZER("sm_xtrap", + "@(#)$Debug: sm_xtrap - raise exception at N'th xtrap point $"); + +SM_DEBUG_T SmXtrapReport = SM_DEBUG_INITIALIZER("sm_xtrap_report", + "@(#)$Debug: sm_xtrap_report - report xtrap count on exit $"); diff --git a/contrib/sendmail-8.13.4/libsmdb/Makefile b/contrib/sendmail-8.13.4/libsmdb/Makefile new file mode 100644 index 0000000000..0422ed5cb3 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmdb/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.2 1999/09/23 22:36:29 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/libsmdb/Makefile.m4 b/contrib/sendmail-8.13.4/libsmdb/Makefile.m4 new file mode 100644 index 0000000000..caadfe8c88 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmdb/Makefile.m4 @@ -0,0 +1,15 @@ +dnl $Id: Makefile.m4,v 8.14 2002/06/21 22:01:34 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`library', `libsmdb') +define(`bldSOURCES', `smdb.c smdb1.c smdb2.c smndbm.c ') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/libsmdb/smdb.c b/contrib/sendmail-8.13.4/libsmdb/smdb.c new file mode 100644 index 0000000000..6eb4033026 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmdb/smdb.c @@ -0,0 +1,549 @@ +/* +** Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. +** All rights reserved. +** +** By using this file, you agree to the terms and conditions set +** forth in the LICENSE file which can be found at the top level of +** the sendmail distribution. +*/ + +#include +SM_RCSID("@(#)$Id: smdb.c,v 8.58 2004/08/03 20:58:38 ca Exp $") + +#include +#include +#include + + +#include +#include + +static bool smdb_lockfile __P((int, int)); + +/* +** SMDB_MALLOC_DATABASE -- Allocates a database structure. +** +** Parameters: +** None +** +** Returns: +** An pointer to an allocated SMDB_DATABASE structure or +** NULL if it couldn't allocate the memory. +*/ + +SMDB_DATABASE * +smdb_malloc_database() +{ + SMDB_DATABASE *db; + + db = (SMDB_DATABASE *) malloc(sizeof(SMDB_DATABASE)); + + if (db != NULL) + (void) memset(db, '\0', sizeof(SMDB_DATABASE)); + + return db; +} + + +/* +** SMDB_FREE_DATABASE -- Unallocates a database structure. +** +** Parameters: +** database -- a SMDB_DATABASE pointer to deallocate. +** +** Returns: +** None +*/ + +void +smdb_free_database(database) + SMDB_DATABASE *database; +{ + if (database != NULL) + free(database); +} +/* +** SMDB_LOCKFILE -- lock a file using flock or (shudder) fcntl locking +** +** Parameters: +** fd -- the file descriptor of the file. +** type -- type of the lock. Bits can be: +** LOCK_EX -- exclusive lock. +** LOCK_NB -- non-blocking. +** +** Returns: +** true if the lock was acquired. +** false otherwise. +*/ + +static bool +smdb_lockfile(fd, type) + int fd; + int type; +{ + int i; + int save_errno; +#if !HASFLOCK + int action; + struct flock lfd; + + (void) memset(&lfd, '\0', sizeof lfd); + if (bitset(LOCK_UN, type)) + lfd.l_type = F_UNLCK; + else if (bitset(LOCK_EX, type)) + lfd.l_type = F_WRLCK; + else + lfd.l_type = F_RDLCK; + + if (bitset(LOCK_NB, type)) + action = F_SETLK; + else + action = F_SETLKW; + + while ((i = fcntl(fd, action, &lfd)) < 0 && errno == EINTR) + continue; + if (i >= 0) + return true; + save_errno = errno; + + /* + ** On SunOS, if you are testing using -oQ/tmp/mqueue or + ** -oA/tmp/aliases or anything like that, and /tmp is mounted + ** as type "tmp" (that is, served from swap space), the + ** previous fcntl will fail with "Invalid argument" errors. + ** Since this is fairly common during testing, we will assume + ** that this indicates that the lock is successfully grabbed. + */ + + if (save_errno == EINVAL) + return true; + + if (!bitset(LOCK_NB, type) || + (save_errno != EACCES && save_errno != EAGAIN)) + { +# if 0 + int omode = fcntl(fd, F_GETFL, NULL); + int euid = (int) geteuid(); + + syslog(LOG_ERR, "cannot lockf(%s%s, fd=%d, type=%o, omode=%o, euid=%d)", + filename, ext, fd, type, omode, euid); +# endif /* 0 */ + errno = save_errno; + return false; + } +#else /* !HASFLOCK */ + + while ((i = flock(fd, type)) < 0 && errno == EINTR) + continue; + if (i >= 0) + return true; + save_errno = errno; + + if (!bitset(LOCK_NB, type) || save_errno != EWOULDBLOCK) + { +# if 0 + int omode = fcntl(fd, F_GETFL, NULL); + int euid = (int) geteuid(); + + syslog(LOG_ERR, "cannot flock(%s%s, fd=%d, type=%o, omode=%o, euid=%d)", + filename, ext, fd, type, omode, euid); +# endif /* 0 */ + errno = save_errno; + return false; + } +#endif /* !HASFLOCK */ + errno = save_errno; + return false; +} +/* +** SMDB_OPEN_DATABASE -- Opens a database. +** +** This opens a database. If type is SMDB_DEFAULT it tries to +** use a DB1 or DB2 hash. If that isn't available, it will try +** to use NDBM. If a specific type is given it will try to open +** a database of that type. +** +** Parameters: +** database -- An pointer to a SMDB_DATABASE pointer where the +** opened database will be stored. This should +** be unallocated. +** db_name -- The name of the database to open. Do not include +** the file name extension. +** mode -- The mode to set on the database file or files. +** mode_mask -- Mode bits that must match on an opened database. +** sff -- Flags to safefile. +** type -- The type of database to open. Supported types +** vary depending on what was compiled in. +** user_info -- Information on the user to use for file +** permissions. +** params -- Params specific to the database being opened. +** Only supports some DB hash options right now +** (see smdb_db_open() for details). +** +** Returns: +** SMDBE_OK -- Success. +** Anything else is an error. Look up more info about the +** error in the comments for the specific open() used. +*/ + +int +smdb_open_database(database, db_name, mode, mode_mask, sff, type, user_info, + params) + SMDB_DATABASE **database; + char *db_name; + int mode; + int mode_mask; + long sff; + SMDB_DBTYPE type; + SMDB_USER_INFO *user_info; + SMDB_DBPARAMS *params; +{ + bool type_was_default = false; + + if (type == SMDB_TYPE_DEFAULT) + { + type_was_default = true; +#ifdef NEWDB + type = SMDB_TYPE_HASH; +#else /* NEWDB */ +# ifdef NDBM + type = SMDB_TYPE_NDBM; +# endif /* NDBM */ +#endif /* NEWDB */ + } + + if (type == SMDB_TYPE_DEFAULT) + return SMDBE_UNKNOWN_DB_TYPE; + + if ((strncmp(type, SMDB_TYPE_HASH, SMDB_TYPE_HASH_LEN) == 0) || + (strncmp(type, SMDB_TYPE_BTREE, SMDB_TYPE_BTREE_LEN) == 0)) + { +#ifdef NEWDB + int result; + + result = smdb_db_open(database, db_name, mode, mode_mask, sff, + type, user_info, params); +# ifdef NDBM + if (result == ENOENT && type_was_default) + type = SMDB_TYPE_NDBM; + else +# endif /* NDBM */ + return result; +#else /* NEWDB */ + return SMDBE_UNSUPPORTED_DB_TYPE; +#endif /* NEWDB */ + } + + if (strncmp(type, SMDB_TYPE_NDBM, SMDB_TYPE_NDBM_LEN) == 0) + { +#ifdef NDBM + int result; + + result = smdb_ndbm_open(database, db_name, mode, mode_mask, + sff, type, user_info, params); + return result; +#else /* NDBM */ + return SMDBE_UNSUPPORTED_DB_TYPE; +#endif /* NDBM */ + } + + return SMDBE_UNKNOWN_DB_TYPE; +} +/* +** SMDB_ADD_EXTENSION -- Adds an extension to a file name. +** +** Just adds a . followed by a string to a db_name if there +** is room and the db_name does not already have that extension. +** +** Parameters: +** full_name -- The final file name. +** max_full_name_len -- The max length for full_name. +** db_name -- The name of the db. +** extension -- The extension to add. +** +** Returns: +** SMDBE_OK -- Success. +** Anything else is an error. Look up more info about the +** error in the comments for the specific open() used. +*/ + +int +smdb_add_extension(full_name, max_full_name_len, db_name, extension) + char *full_name; + int max_full_name_len; + char *db_name; + char *extension; +{ + int extension_len; + int db_name_len; + + if (full_name == NULL || db_name == NULL || extension == NULL) + return SMDBE_INVALID_PARAMETER; + + extension_len = strlen(extension); + db_name_len = strlen(db_name); + + if (extension_len + db_name_len + 2 > max_full_name_len) + return SMDBE_DB_NAME_TOO_LONG; + + if (db_name_len < extension_len + 1 || + db_name[db_name_len - extension_len - 1] != '.' || + strcmp(&db_name[db_name_len - extension_len], extension) != 0) + (void) sm_snprintf(full_name, max_full_name_len, "%s.%s", + db_name, extension); + else + (void) sm_strlcpy(full_name, db_name, max_full_name_len); + + return SMDBE_OK; +} +/* +** SMDB_LOCK_FILE -- Locks the database file. +** +** Locks the actual database file. +** +** Parameters: +** lock_fd -- The resulting descriptor for the locked file. +** db_name -- The name of the database without extension. +** mode -- The open mode. +** sff -- Flags to safefile. +** extension -- The extension for the file. +** +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_lock_file(lock_fd, db_name, mode, sff, extension) + int *lock_fd; + char *db_name; + int mode; + long sff; + char *extension; +{ + int result; + char file_name[MAXPATHLEN]; + + result = smdb_add_extension(file_name, sizeof file_name, db_name, + extension); + if (result != SMDBE_OK) + return result; + + *lock_fd = safeopen(file_name, mode & ~O_TRUNC, DBMMODE, sff); + if (*lock_fd < 0) + return errno; + + return SMDBE_OK; +} +/* +** SMDB_UNLOCK_FILE -- Unlocks a file +** +** Unlocks a file. +** +** Parameters: +** lock_fd -- The descriptor for the locked file. +** +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_unlock_file(lock_fd) + int lock_fd; +{ + int result; + + result = close(lock_fd); + if (result != 0) + return errno; + + return SMDBE_OK; +} +/* +** SMDB_LOCK_MAP -- Locks a database. +** +** Parameters: +** database -- database description. +** type -- type of the lock. Bits can be: +** LOCK_EX -- exclusive lock. +** LOCK_NB -- non-blocking. +** +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_lock_map(database, type) + SMDB_DATABASE *database; + int type; +{ + int fd; + + fd = database->smdb_lockfd(database); + if (fd < 0) + return SMDBE_NOT_FOUND; + if (!smdb_lockfile(fd, type)) + return SMDBE_LOCK_NOT_GRANTED; + return SMDBE_OK; +} +/* +** SMDB_UNLOCK_MAP -- Unlocks a database +** +** Parameters: +** database -- database description. +** +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_unlock_map(database) + SMDB_DATABASE *database; +{ + int fd; + + fd = database->smdb_lockfd(database); + if (fd < 0) + return SMDBE_NOT_FOUND; + if (!smdb_lockfile(fd, LOCK_UN)) + return SMDBE_LOCK_NOT_HELD; + return SMDBE_OK; +} +/* +** SMDB_SETUP_FILE -- Gets db file ready for use. +** +** Makes sure permissions on file are safe and creates it if it +** doesn't exist. +** +** Parameters: +** db_name -- The name of the database without extension. +** extension -- The extension. +** sff -- Flags to safefile. +** mode_mask -- Mode bits that must match. +** user_info -- Information on the user to use for file +** permissions. +** stat_info -- A place to put the stat info for the file. +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_setup_file(db_name, extension, mode_mask, sff, user_info, stat_info) + char *db_name; + char *extension; + int mode_mask; + long sff; + SMDB_USER_INFO *user_info; + struct stat *stat_info; +{ + int st; + int result; + char db_file_name[MAXPATHLEN]; + + result = smdb_add_extension(db_file_name, sizeof db_file_name, db_name, + extension); + if (result != SMDBE_OK) + return result; + + st = safefile(db_file_name, user_info->smdbu_id, + user_info->smdbu_group_id, user_info->smdbu_name, + sff, mode_mask, stat_info); + if (st != 0) + return st; + + return SMDBE_OK; +} +/* +** SMDB_FILECHANGED -- Checks to see if a file changed. +** +** Compares the passed in stat_info with a current stat on +** the passed in file descriptor. Check filechanged for +** return values. +** +** Parameters: +** db_name -- The name of the database without extension. +** extension -- The extension. +** db_fd -- A file descriptor for the database file. +** stat_info -- An old stat_info. +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_filechanged(db_name, extension, db_fd, stat_info) + char *db_name; + char *extension; + int db_fd; + struct stat *stat_info; +{ + int result; + char db_file_name[MAXPATHLEN]; + + result = smdb_add_extension(db_file_name, sizeof db_file_name, db_name, + extension); + if (result != SMDBE_OK) + return result; + return filechanged(db_file_name, db_fd, stat_info); +} +/* +** SMDB_PRINT_AVAILABLE_TYPES -- Prints the names of the available types. +** +** Parameters: +** None +** +** Returns: +** None +*/ + +void +smdb_print_available_types() +{ +#ifdef NDBM + printf("dbm\n"); +#endif /* NDBM */ +#ifdef NEWDB + printf("hash\n"); + printf("btree\n"); +#endif /* NEWDB */ +} +/* +** SMDB_DB_DEFINITION -- Given a database type, return database definition +** +** Reads though a structure making an association with the database +** type and the required cpp define from sendmail/README. +** List size is dynamic and must be NULL terminated. +** +** Parameters: +** type -- The name of the database type. +** +** Returns: +** definition for type, otherwise NULL. +*/ + +typedef struct +{ + SMDB_DBTYPE type; + char *dbdef; +} dbtype; + +static dbtype DatabaseDefs[] = +{ + { SMDB_TYPE_HASH, "NEWDB" }, + { SMDB_TYPE_BTREE, "NEWDB" }, + { SMDB_TYPE_NDBM, "NDBM" }, + { NULL, "OOPS" } +}; + +char * +smdb_db_definition(type) + SMDB_DBTYPE type; +{ + dbtype *ptr = DatabaseDefs; + + while (ptr != NULL && ptr->type != NULL) + { + if (strcmp(type, ptr->type) == 0) + return ptr->dbdef; + ptr++; + } + return NULL; +} diff --git a/contrib/sendmail-8.13.4/libsmdb/smdb1.c b/contrib/sendmail-8.13.4/libsmdb/smdb1.c new file mode 100644 index 0000000000..e45de7c7f8 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmdb/smdb1.c @@ -0,0 +1,575 @@ +/* +** Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. +** All rights reserved. +** +** By using this file, you agree to the terms and conditions set +** forth in the LICENSE file which can be found at the top level of +** the sendmail distribution. +*/ + +#include +SM_RCSID("@(#)$Id: smdb1.c,v 8.59 2004/08/03 20:58:39 ca Exp $") + +#include +#include +#include + +#include +#include + +#if (DB_VERSION_MAJOR == 1) + +# define SMDB1_FILE_EXTENSION "db" + +struct smdb_db1_struct +{ + DB *smdb1_db; + int smdb1_lock_fd; + bool smdb1_cursor_in_use; +}; +typedef struct smdb_db1_struct SMDB_DB1_DATABASE; + +struct smdb_db1_cursor +{ + SMDB_DB1_DATABASE *db; +}; +typedef struct smdb_db1_cursor SMDB_DB1_CURSOR; + +static DBTYPE smdb_type_to_db1_type __P((SMDB_DBTYPE)); +static unsigned int smdb_put_flags_to_db1_flags __P((SMDB_FLAG)); +static int smdb_cursor_get_flags_to_smdb1 __P((SMDB_FLAG)); +static SMDB_DB1_DATABASE *smdb1_malloc_database __P((void)); +static int smdb1_close __P((SMDB_DATABASE *)); +static int smdb1_del __P((SMDB_DATABASE *, SMDB_DBENT *, unsigned int)); +static int smdb1_fd __P((SMDB_DATABASE *, int *)); +static int smdb1_lockfd __P((SMDB_DATABASE *)); +static int smdb1_get __P((SMDB_DATABASE *, SMDB_DBENT *, SMDB_DBENT *, unsigned int)); +static int smdb1_put __P((SMDB_DATABASE *, SMDB_DBENT *, SMDB_DBENT *, unsigned int)); +static int smdb1_set_owner __P((SMDB_DATABASE *, uid_t, gid_t)); +static int smdb1_sync __P((SMDB_DATABASE *, unsigned int)); +static int smdb1_cursor_close __P((SMDB_CURSOR *)); +static int smdb1_cursor_del __P((SMDB_CURSOR *, unsigned int)); +static int smdb1_cursor_get __P((SMDB_CURSOR *, SMDB_DBENT *, SMDB_DBENT *, SMDB_FLAG)); +static int smdb1_cursor_put __P((SMDB_CURSOR *, SMDB_DBENT *, SMDB_DBENT *, SMDB_FLAG)); +static int smdb1_cursor __P((SMDB_DATABASE *, SMDB_CURSOR **, unsigned int)); + +/* +** SMDB_TYPE_TO_DB1_TYPE -- Translates smdb database type to db1 type. +** +** Parameters: +** type -- The type to translate. +** +** Returns: +** The DB1 type that corresponsds to the passed in SMDB type. +** Returns -1 if there is no equivalent type. +** +*/ + +static DBTYPE +smdb_type_to_db1_type(type) + SMDB_DBTYPE type; +{ + if (type == SMDB_TYPE_DEFAULT) + return DB_HASH; + + if (strncmp(type, SMDB_TYPE_HASH, SMDB_TYPE_HASH_LEN) == 0) + return DB_HASH; + + if (strncmp(type, SMDB_TYPE_BTREE, SMDB_TYPE_BTREE_LEN) == 0) + return DB_BTREE; + + /* Should never get here thanks to test in smdb_db_open() */ + return DB_HASH; +} +/* +** SMDB_PUT_FLAGS_TO_DB1_FLAGS -- Translates smdb put flags to db1 put flags. +** +** Parameters: +** flags -- The flags to translate. +** +** Returns: +** The db1 flags that are equivalent to the smdb flags. +** +** Notes: +** Any invalid flags are ignored. +** +*/ + +static unsigned int +smdb_put_flags_to_db1_flags(flags) + SMDB_FLAG flags; +{ + int return_flags; + + return_flags = 0; + + if (bitset(SMDBF_NO_OVERWRITE, flags)) + return_flags |= R_NOOVERWRITE; + + return return_flags; +} +/* +** SMDB_CURSOR_GET_FLAGS_TO_SMDB1 +** +** Parameters: +** flags -- The flags to translate. +** +** Returns: +** The db1 flags that are equivalent to the smdb flags. +** +** Notes: +** Returns -1 if we don't support the flag. +** +*/ + +static int +smdb_cursor_get_flags_to_smdb1(flags) + SMDB_FLAG flags; +{ + switch(flags) + { + case SMDB_CURSOR_GET_FIRST: + return R_FIRST; + + case SMDB_CURSOR_GET_LAST: + return R_LAST; + + case SMDB_CURSOR_GET_NEXT: + return R_NEXT; + + case SMDB_CURSOR_GET_RANGE: + return R_CURSOR; + + default: + return -1; + } +} + +/* +** The rest of these functions correspond to the interface laid out in smdb.h. +*/ + +static SMDB_DB1_DATABASE * +smdb1_malloc_database() +{ + SMDB_DB1_DATABASE *db1; + + db1 = (SMDB_DB1_DATABASE *) malloc(sizeof(SMDB_DB1_DATABASE)); + + if (db1 != NULL) + { + db1->smdb1_lock_fd = -1; + db1->smdb1_cursor_in_use = false; + } + + return db1; +} + +static int +smdb1_close(database) + SMDB_DATABASE *database; +{ + int result; + SMDB_DB1_DATABASE *db1 = (SMDB_DB1_DATABASE *) database->smdb_impl; + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + + result = db->close(db); + if (db1->smdb1_lock_fd != -1) + (void) close(db1->smdb1_lock_fd); + + free(db1); + database->smdb_impl = NULL; + + return result; +} + +static int +smdb1_del(database, key, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + unsigned int flags; +{ + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + DBT dbkey; + + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + return db->del(db, &dbkey, flags); +} + +static int +smdb1_fd(database, fd) + SMDB_DATABASE *database; + int *fd; +{ + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + + *fd = db->fd(db); + if (*fd == -1) + return errno; + + return SMDBE_OK; +} + +static int +smdb1_lockfd(database) + SMDB_DATABASE *database; +{ + SMDB_DB1_DATABASE *db1 = (SMDB_DB1_DATABASE *) database->smdb_impl; + + return db1->smdb1_lock_fd; +} + + +static int +smdb1_get(database, key, data, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + SMDB_DBENT *data; + unsigned int flags; +{ + int result; + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + + result = db->get(db, &dbkey, &dbdata, flags); + if (result != 0) + { + if (result == 1) + return SMDBE_NOT_FOUND; + return errno; + } + data->data = dbdata.data; + data->size = dbdata.size; + return SMDBE_OK; +} + +static int +smdb1_put(database, key, data, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + SMDB_DBENT *data; + unsigned int flags; +{ + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + dbdata.data = data->data; + dbdata.size = data->size; + + return db->put(db, &dbkey, &dbdata, + smdb_put_flags_to_db1_flags(flags)); +} + +static int +smdb1_set_owner(database, uid, gid) + SMDB_DATABASE *database; + uid_t uid; + gid_t gid; +{ +# if HASFCHOWN + int fd; + int result; + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + + fd = db->fd(db); + if (fd == -1) + return errno; + + result = fchown(fd, uid, gid); + if (result < 0) + return errno; +# endif /* HASFCHOWN */ + + return SMDBE_OK; +} + +static int +smdb1_sync(database, flags) + SMDB_DATABASE *database; + unsigned int flags; +{ + DB *db = ((SMDB_DB1_DATABASE *) database->smdb_impl)->smdb1_db; + + return db->sync(db, flags); +} + +static int +smdb1_cursor_close(cursor) + SMDB_CURSOR *cursor; +{ + SMDB_DB1_CURSOR *db1_cursor = (SMDB_DB1_CURSOR *) cursor->smdbc_impl; + SMDB_DB1_DATABASE *db1 = db1_cursor->db; + + if (!db1->smdb1_cursor_in_use) + return SMDBE_NOT_A_VALID_CURSOR; + + db1->smdb1_cursor_in_use = false; + free(cursor); + + return SMDBE_OK; +} + +static int +smdb1_cursor_del(cursor, flags) + SMDB_CURSOR *cursor; + unsigned int flags; +{ + SMDB_DB1_CURSOR *db1_cursor = (SMDB_DB1_CURSOR *) cursor->smdbc_impl; + SMDB_DB1_DATABASE *db1 = db1_cursor->db; + DB *db = db1->smdb1_db; + + return db->del(db, NULL, R_CURSOR); +} + +static int +smdb1_cursor_get(cursor, key, value, flags) + SMDB_CURSOR *cursor; + SMDB_DBENT *key; + SMDB_DBENT *value; + SMDB_FLAG flags; +{ + int db1_flags; + int result; + SMDB_DB1_CURSOR *db1_cursor = (SMDB_DB1_CURSOR *) cursor->smdbc_impl; + SMDB_DB1_DATABASE *db1 = db1_cursor->db; + DB *db = db1->smdb1_db; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + + db1_flags = smdb_cursor_get_flags_to_smdb1(flags); + result = db->seq(db, &dbkey, &dbdata, db1_flags); + if (result == -1) + return errno; + if (result == 1) + return SMDBE_LAST_ENTRY; + value->data = dbdata.data; + value->size = dbdata.size; + key->data = dbkey.data; + key->size = dbkey.size; + return SMDBE_OK; +} + +static int +smdb1_cursor_put(cursor, key, value, flags) + SMDB_CURSOR *cursor; + SMDB_DBENT *key; + SMDB_DBENT *value; + SMDB_FLAG flags; +{ + SMDB_DB1_CURSOR *db1_cursor = (SMDB_DB1_CURSOR *) cursor->smdbc_impl; + SMDB_DB1_DATABASE *db1 = db1_cursor->db; + DB *db = db1->smdb1_db; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + dbdata.data = value->data; + dbdata.size = value->size; + + return db->put(db, &dbkey, &dbdata, R_CURSOR); +} + +static int +smdb1_cursor(database, cursor, flags) + SMDB_DATABASE *database; + SMDB_CURSOR **cursor; + unsigned int flags; +{ + SMDB_DB1_DATABASE *db1 = (SMDB_DB1_DATABASE *) database->smdb_impl; + SMDB_CURSOR *cur; + SMDB_DB1_CURSOR *db1_cursor; + + if (db1->smdb1_cursor_in_use) + return SMDBE_ONLY_SUPPORTS_ONE_CURSOR; + + db1->smdb1_cursor_in_use = true; + db1_cursor = (SMDB_DB1_CURSOR *) malloc(sizeof(SMDB_DB1_CURSOR)); + db1_cursor->db = db1; + + cur = (SMDB_CURSOR *) malloc(sizeof(SMDB_CURSOR)); + + if (cur == NULL) + return SMDBE_MALLOC; + + cur->smdbc_impl = db1_cursor; + cur->smdbc_close = smdb1_cursor_close; + cur->smdbc_del = smdb1_cursor_del; + cur->smdbc_get = smdb1_cursor_get; + cur->smdbc_put = smdb1_cursor_put; + *cursor = cur; + + return SMDBE_OK; +} +/* +** SMDB_DB_OPEN -- Opens a db1 database. +** +** Parameters: +** database -- An unallocated database pointer to a pointer. +** db_name -- The name of the database without extension. +** mode -- File permisions on the database if created. +** mode_mask -- Mode bits that must match on an existing database. +** sff -- Flags for safefile. +** type -- The type of database to open +** See smdb_type_to_db1_type for valid types. +** user_info -- Information on the user to use for file +** permissions. +** db_params -- +** An SMDB_DBPARAMS struct including params. These +** are processed according to the type of the +** database. Currently supported params (only for +** HASH type) are: +** num_elements +** cache_size +** +** Returns: +** SMDBE_OK -- Success, otherwise errno. +*/ + +int +smdb_db_open(database, db_name, mode, mode_mask, sff, type, user_info, + db_params) + SMDB_DATABASE **database; + char *db_name; + int mode; + int mode_mask; + long sff; + SMDB_DBTYPE type; + SMDB_USER_INFO *user_info; + SMDB_DBPARAMS *db_params; +{ + bool lockcreated = false; + int db_fd; + int lock_fd; + int result; + void *params; + SMDB_DATABASE *smdb_db; + SMDB_DB1_DATABASE *db1; + DB *db; + HASHINFO hash_info; + BTREEINFO btree_info; + DBTYPE db_type; + struct stat stat_info; + char db_file_name[MAXPATHLEN]; + + if (type == NULL || + (strncmp(SMDB_TYPE_HASH, type, SMDB_TYPE_HASH_LEN) != 0 && + strncmp(SMDB_TYPE_BTREE, type, SMDB_TYPE_BTREE_LEN) != 0)) + return SMDBE_UNKNOWN_DB_TYPE; + + result = smdb_add_extension(db_file_name, sizeof db_file_name, + db_name, SMDB1_FILE_EXTENSION); + if (result != SMDBE_OK) + return result; + + result = smdb_setup_file(db_name, SMDB1_FILE_EXTENSION, mode_mask, + sff, user_info, &stat_info); + if (result != SMDBE_OK) + return result; + + if (stat_info.st_mode == ST_MODE_NOFILE && + bitset(mode, O_CREAT)) + lockcreated = true; + + lock_fd = -1; + result = smdb_lock_file(&lock_fd, db_name, mode, sff, + SMDB1_FILE_EXTENSION); + if (result != SMDBE_OK) + return result; + + if (lockcreated) + { + mode |= O_TRUNC; + mode &= ~(O_CREAT|O_EXCL); + } + + *database = NULL; + + smdb_db = smdb_malloc_database(); + db1 = smdb1_malloc_database(); + if (smdb_db == NULL || db1 == NULL) + return SMDBE_MALLOC; + db1->smdb1_lock_fd = lock_fd; + + params = NULL; + if (db_params != NULL && + (strncmp(SMDB_TYPE_HASH, type, SMDB_TYPE_HASH_LEN) == 0)) + { + (void) memset(&hash_info, '\0', sizeof hash_info); + hash_info.nelem = db_params->smdbp_num_elements; + hash_info.cachesize = db_params->smdbp_cache_size; + params = &hash_info; + } + + if (db_params != NULL && + (strncmp(SMDB_TYPE_BTREE, type, SMDB_TYPE_BTREE_LEN) == 0)) + { + (void) memset(&btree_info, '\0', sizeof btree_info); + btree_info.cachesize = db_params->smdbp_cache_size; + if (db_params->smdbp_allow_dup) + btree_info.flags |= R_DUP; + params = &btree_info; + } + + db_type = smdb_type_to_db1_type(type); + db = dbopen(db_file_name, mode, DBMMODE, db_type, params); + if (db != NULL) + { + db_fd = db->fd(db); + result = smdb_filechanged(db_name, SMDB1_FILE_EXTENSION, db_fd, + &stat_info); + } + else + { + if (errno == 0) + result = SMDBE_BAD_OPEN; + else + result = errno; + } + + if (result == SMDBE_OK) + { + /* Everything is ok. Setup driver */ + db1->smdb1_db = db; + + smdb_db->smdb_close = smdb1_close; + smdb_db->smdb_del = smdb1_del; + smdb_db->smdb_fd = smdb1_fd; + smdb_db->smdb_lockfd = smdb1_lockfd; + smdb_db->smdb_get = smdb1_get; + smdb_db->smdb_put = smdb1_put; + smdb_db->smdb_set_owner = smdb1_set_owner; + smdb_db->smdb_sync = smdb1_sync; + smdb_db->smdb_cursor = smdb1_cursor; + smdb_db->smdb_impl = db1; + + *database = smdb_db; + return SMDBE_OK; + } + + if (db != NULL) + (void) db->close(db); + + /* Error opening database */ + (void) smdb_unlock_file(db1->smdb1_lock_fd); + free(db1); + smdb_free_database(smdb_db); + + return result; +} + +#endif /* (DB_VERSION_MAJOR == 1) */ diff --git a/contrib/sendmail-8.13.4/libsmdb/smdb2.c b/contrib/sendmail-8.13.4/libsmdb/smdb2.c new file mode 100644 index 0000000000..be07d636b4 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmdb/smdb2.c @@ -0,0 +1,698 @@ +/* +** Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. +** All rights reserved. +** +** By using this file, you agree to the terms and conditions set +** forth in the LICENSE file which can be found at the top level of +** the sendmail distribution. +*/ + +#include +SM_RCSID("@(#)$Id: smdb2.c,v 8.79 2003/06/13 21:33:11 ca Exp $") + +#include +#include +#include + + +#include +#include + +#if (DB_VERSION_MAJOR >= 2) + +# define SMDB2_FILE_EXTENSION "db" + +struct smdb_db2_database +{ + DB *smdb2_db; + int smdb2_lock_fd; +}; +typedef struct smdb_db2_database SMDB_DB2_DATABASE; + +/* +** SMDB_TYPE_TO_DB2_TYPE -- Translates smdb database type to db2 type. +** +** Parameters: +** type -- The type to translate. +** +** Returns: +** The DB2 type that corresponsds to the passed in SMDB type. +** Returns -1 if there is no equivalent type. +** +*/ + +DBTYPE +smdb_type_to_db2_type(type) + SMDB_DBTYPE type; +{ + if (type == SMDB_TYPE_DEFAULT) + return DB_HASH; + + if (strncmp(type, SMDB_TYPE_HASH, SMDB_TYPE_HASH_LEN) == 0) + return DB_HASH; + + if (strncmp(type, SMDB_TYPE_BTREE, SMDB_TYPE_BTREE_LEN) == 0) + return DB_BTREE; + + return DB_UNKNOWN; +} +/* +** DB2_ERROR_TO_SMDB -- Translates db2 errors to smdbe errors +** +** Parameters: +** error -- The error to translate. +** +** Returns: +** The SMDBE error corresponding to the db2 error. +** If we don't have a corresponding error, it returs errno. +** +*/ + +int +db2_error_to_smdb(error) + int error; +{ + int result; + + switch (error) + { +# ifdef DB_INCOMPLETE + case DB_INCOMPLETE: + result = SMDBE_INCOMPLETE; + break; +# endif /* DB_INCOMPLETE */ + +# ifdef DB_NOTFOUND + case DB_NOTFOUND: + result = SMDBE_NOT_FOUND; + break; +# endif /* DB_NOTFOUND */ + +# ifdef DB_KEYEMPTY + case DB_KEYEMPTY: + result = SMDBE_KEY_EMPTY; + break; +# endif /* DB_KEYEMPTY */ + +# ifdef DB_KEYEXIST + case DB_KEYEXIST: + result = SMDBE_KEY_EXIST; + break; +# endif /* DB_KEYEXIST */ + +# ifdef DB_LOCK_DEADLOCK + case DB_LOCK_DEADLOCK: + result = SMDBE_LOCK_DEADLOCK; + break; +# endif /* DB_LOCK_DEADLOCK */ + +# ifdef DB_LOCK_NOTGRANTED + case DB_LOCK_NOTGRANTED: + result = SMDBE_LOCK_NOT_GRANTED; + break; +# endif /* DB_LOCK_NOTGRANTED */ + +# ifdef DB_LOCK_NOTHELD + case DB_LOCK_NOTHELD: + result = SMDBE_LOCK_NOT_HELD; + break; +# endif /* DB_LOCK_NOTHELD */ + +# ifdef DB_RUNRECOVERY + case DB_RUNRECOVERY: + result = SMDBE_RUN_RECOVERY; + break; +# endif /* DB_RUNRECOVERY */ + +# ifdef DB_OLD_VERSION + case DB_OLD_VERSION: + result = SMDBE_OLD_VERSION; + break; +# endif /* DB_OLD_VERSION */ + + case 0: + result = SMDBE_OK; + break; + + default: + result = error; + } + return result; +} +/* +** SMDB_PUT_FLAGS_TO_DB2_FLAGS -- Translates smdb put flags to db2 put flags. +** +** Parameters: +** flags -- The flags to translate. +** +** Returns: +** The db2 flags that are equivalent to the smdb flags. +** +** Notes: +** Any invalid flags are ignored. +** +*/ + +unsigned int +smdb_put_flags_to_db2_flags(flags) + SMDB_FLAG flags; +{ + int return_flags; + + return_flags = 0; + + if (bitset(SMDBF_NO_OVERWRITE, flags)) + return_flags |= DB_NOOVERWRITE; + + return return_flags; +} +/* +** SMDB_CURSOR_GET_FLAGS_TO_DB2 -- Translates smdb cursor get flags to db2 +** getflags. +** +** Parameters: +** flags -- The flags to translate. +** +** Returns: +** The db2 flags that are equivalent to the smdb flags. +** +** Notes: +** -1 is returned if flag is unknown. +** +*/ + +int +smdb_cursor_get_flags_to_db2(flags) + SMDB_FLAG flags; +{ + switch (flags) + { + case SMDB_CURSOR_GET_FIRST: + return DB_FIRST; + + case SMDB_CURSOR_GET_LAST: + return DB_LAST; + + case SMDB_CURSOR_GET_NEXT: + return DB_NEXT; + + case SMDB_CURSOR_GET_RANGE: + return DB_SET_RANGE; + + default: + return -1; + } +} + +/* +** Except for smdb_db_open, the rest of these functions correspond to the +** interface laid out in smdb.h. +*/ + +SMDB_DB2_DATABASE * +smdb2_malloc_database() +{ + SMDB_DB2_DATABASE *db2; + + db2 = (SMDB_DB2_DATABASE *) malloc(sizeof(SMDB_DB2_DATABASE)); + if (db2 != NULL) + db2->smdb2_lock_fd = -1; + + return db2; +} + +int +smdb2_close(database) + SMDB_DATABASE *database; +{ + int result; + SMDB_DB2_DATABASE *db2 = (SMDB_DB2_DATABASE *) database->smdb_impl; + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + + result = db2_error_to_smdb(db->close(db, 0)); + if (db2->smdb2_lock_fd != -1) + close(db2->smdb2_lock_fd); + + free(db2); + database->smdb_impl = NULL; + + return result; +} + +int +smdb2_del(database, key, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + unsigned int flags; +{ + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + DBT dbkey; + + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + return db2_error_to_smdb(db->del(db, NULL, &dbkey, flags)); +} + +int +smdb2_fd(database, fd) + SMDB_DATABASE *database; + int *fd; +{ + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + + return db2_error_to_smdb(db->fd(db, fd)); +} + +int +smdb2_lockfd(database) + SMDB_DATABASE *database; +{ + SMDB_DB2_DATABASE *db2 = (SMDB_DB2_DATABASE *) database->smdb_impl; + + return db2->smdb2_lock_fd; +} + +int +smdb2_get(database, key, data, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + SMDB_DBENT *data; + unsigned int flags; +{ + int result; + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + + result = db->get(db, NULL, &dbkey, &dbdata, flags); + data->data = dbdata.data; + data->size = dbdata.size; + return db2_error_to_smdb(result); +} + +int +smdb2_put(database, key, data, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + SMDB_DBENT *data; + unsigned int flags; +{ + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + dbdata.data = data->data; + dbdata.size = data->size; + + return db2_error_to_smdb(db->put(db, NULL, &dbkey, &dbdata, + smdb_put_flags_to_db2_flags(flags))); +} + + +int +smdb2_set_owner(database, uid, gid) + SMDB_DATABASE *database; + uid_t uid; + gid_t gid; +{ +# if HASFCHOWN + int fd; + int result; + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + + result = db->fd(db, &fd); + if (result != 0) + return result; + + result = fchown(fd, uid, gid); + if (result < 0) + return errno; +# endif /* HASFCHOWN */ + + return SMDBE_OK; +} + +int +smdb2_sync(database, flags) + SMDB_DATABASE *database; + unsigned int flags; +{ + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + + return db2_error_to_smdb(db->sync(db, flags)); +} + +int +smdb2_cursor_close(cursor) + SMDB_CURSOR *cursor; +{ + int ret; + DBC *dbc = (DBC *) cursor->smdbc_impl; + + ret = db2_error_to_smdb(dbc->c_close(dbc)); + free(cursor); + return ret; +} + +int +smdb2_cursor_del(cursor, flags) + SMDB_CURSOR *cursor; + SMDB_FLAG flags; +{ + DBC *dbc = (DBC *) cursor->smdbc_impl; + + return db2_error_to_smdb(dbc->c_del(dbc, 0)); +} + +int +smdb2_cursor_get(cursor, key, value, flags) + SMDB_CURSOR *cursor; + SMDB_DBENT *key; + SMDB_DBENT *value; + SMDB_FLAG flags; +{ + int db2_flags; + int result; + DBC *dbc = (DBC *) cursor->smdbc_impl; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + + db2_flags = smdb_cursor_get_flags_to_db2(flags); + result = dbc->c_get(dbc, &dbkey, &dbdata, db2_flags); + if (result == DB_NOTFOUND) + return SMDBE_LAST_ENTRY; + key->data = dbkey.data; + key->size = dbkey.size; + value->data = dbdata.data; + value->size = dbdata.size; + return db2_error_to_smdb(result); +} + +int +smdb2_cursor_put(cursor, key, value, flags) + SMDB_CURSOR *cursor; + SMDB_DBENT *key; + SMDB_DBENT *value; + SMDB_FLAG flags; +{ + DBC *dbc = (DBC *) cursor->smdbc_impl; + DBT dbkey, dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.data = key->data; + dbkey.size = key->size; + dbdata.data = value->data; + dbdata.size = value->size; + + return db2_error_to_smdb(dbc->c_put(dbc, &dbkey, &dbdata, 0)); +} + +int +smdb2_cursor(database, cursor, flags) + SMDB_DATABASE *database; + SMDB_CURSOR **cursor; + SMDB_FLAG flags; +{ + int result; + DB *db = ((SMDB_DB2_DATABASE *) database->smdb_impl)->smdb2_db; + DBC *db2_cursor; + +# if DB_VERSION_MAJOR > 2 || DB_VERSION_MINOR >= 6 + result = db->cursor(db, NULL, &db2_cursor, 0); +# else /* DB_VERSION_MAJOR > 2 || DB_VERSION_MINOR >= 6 */ + result = db->cursor(db, NULL, &db2_cursor); +# endif /* DB_VERSION_MAJOR > 2 || DB_VERSION_MINOR >= 6 */ + if (result != 0) + return db2_error_to_smdb(result); + + *cursor = (SMDB_CURSOR *) malloc(sizeof(SMDB_CURSOR)); + if (*cursor == NULL) + return SMDBE_MALLOC; + + (*cursor)->smdbc_close = smdb2_cursor_close; + (*cursor)->smdbc_del = smdb2_cursor_del; + (*cursor)->smdbc_get = smdb2_cursor_get; + (*cursor)->smdbc_put = smdb2_cursor_put; + (*cursor)->smdbc_impl = db2_cursor; + + return SMDBE_OK; +} + +# if DB_VERSION_MAJOR == 2 +static int +smdb_db_open_internal(db_name, db_type, db_flags, db_params, db) + char *db_name; + DBTYPE db_type; + int db_flags; + SMDB_DBPARAMS *db_params; + DB **db; +{ + void *params; + DB_INFO db_info; + + params = NULL; + (void) memset(&db_info, '\0', sizeof db_info); + if (db_params != NULL) + { + db_info.db_cachesize = db_params->smdbp_cache_size; + if (db_type == DB_HASH) + db_info.h_nelem = db_params->smdbp_num_elements; + if (db_params->smdbp_allow_dup) + db_info.flags |= DB_DUP; + params = &db_info; + } + return db_open(db_name, db_type, db_flags, DBMMODE, NULL, params, db); +} +# endif /* DB_VERSION_MAJOR == 2 */ + +# if DB_VERSION_MAJOR > 2 +static int +smdb_db_open_internal(db_name, db_type, db_flags, db_params, db) + char *db_name; + DBTYPE db_type; + int db_flags; + SMDB_DBPARAMS *db_params; + DB **db; +{ + int result; + + result = db_create(db, NULL, 0); + if (result != 0 || *db == NULL) + return result; + + if (db_params != NULL) + { + result = (*db)->set_cachesize(*db, 0, + db_params->smdbp_cache_size, 0); + if (result != 0) + { + (void) (*db)->close((*db), 0); + *db = NULL; + return db2_error_to_smdb(result); + } + if (db_type == DB_HASH) + { + result = (*db)->set_h_nelem(*db, db_params->smdbp_num_elements); + if (result != 0) + { + (void) (*db)->close(*db, 0); + *db = NULL; + return db2_error_to_smdb(result); + } + } + if (db_params->smdbp_allow_dup) + { + result = (*db)->set_flags(*db, DB_DUP); + if (result != 0) + { + (void) (*db)->close(*db, 0); + *db = NULL; + return db2_error_to_smdb(result); + } + } + } + + result = (*db)->open(*db, + DBTXN /* transaction for DB 4.1 */ + db_name, NULL, db_type, db_flags, DBMMODE); + if (result != 0) + { + (void) (*db)->close(*db, 0); + *db = NULL; + } + return db2_error_to_smdb(result); +} +# endif /* DB_VERSION_MAJOR > 2 */ +/* +** SMDB_DB_OPEN -- Opens a db database. +** +** Parameters: +** database -- An unallocated database pointer to a pointer. +** db_name -- The name of the database without extension. +** mode -- File permisions for a created database. +** mode_mask -- Mode bits that must match on an opened database. +** sff -- Flags for safefile. +** type -- The type of database to open +** See smdb_type_to_db2_type for valid types. +** user_info -- User information for file permissions. +** db_params -- +** An SMDB_DBPARAMS struct including params. These +** are processed according to the type of the +** database. Currently supported params (only for +** HASH type) are: +** num_elements +** cache_size +** +** Returns: +** SMDBE_OK -- Success, other errno: +** SMDBE_MALLOC -- Cannot allocate memory. +** SMDBE_BAD_OPEN -- db_open didn't return an error, but +** somehow the DB pointer is NULL. +** Anything else: translated error from db2 +*/ + +int +smdb_db_open(database, db_name, mode, mode_mask, sff, type, user_info, db_params) + SMDB_DATABASE **database; + char *db_name; + int mode; + int mode_mask; + long sff; + SMDB_DBTYPE type; + SMDB_USER_INFO *user_info; + SMDB_DBPARAMS *db_params; +{ + bool lockcreated = false; + int result; + int db_flags; + int lock_fd; + int db_fd; + int major_v, minor_v, patch_v; + SMDB_DATABASE *smdb_db; + SMDB_DB2_DATABASE *db2; + DB *db; + DBTYPE db_type; + struct stat stat_info; + char db_file_name[MAXPATHLEN]; + + (void) db_version(&major_v, &minor_v, &patch_v); + if (major_v != DB_VERSION_MAJOR || minor_v != DB_VERSION_MINOR) + return SMDBE_VERSION_MISMATCH; + + *database = NULL; + + result = smdb_add_extension(db_file_name, sizeof db_file_name, + db_name, SMDB2_FILE_EXTENSION); + if (result != SMDBE_OK) + return result; + + result = smdb_setup_file(db_name, SMDB2_FILE_EXTENSION, + mode_mask, sff, user_info, &stat_info); + if (result != SMDBE_OK) + return result; + + lock_fd = -1; + + if (stat_info.st_mode == ST_MODE_NOFILE && + bitset(mode, O_CREAT)) + lockcreated = true; + + result = smdb_lock_file(&lock_fd, db_name, mode, sff, + SMDB2_FILE_EXTENSION); + if (result != SMDBE_OK) + return result; + + if (lockcreated) + { + mode |= O_TRUNC; + mode &= ~(O_CREAT|O_EXCL); + } + + smdb_db = smdb_malloc_database(); + if (smdb_db == NULL) + return SMDBE_MALLOC; + + db2 = smdb2_malloc_database(); + if (db2 == NULL) + return SMDBE_MALLOC; + + db2->smdb2_lock_fd = lock_fd; + + db_type = smdb_type_to_db2_type(type); + + db = NULL; + + db_flags = 0; + if (bitset(O_CREAT, mode)) + db_flags |= DB_CREATE; + if (bitset(O_TRUNC, mode)) + db_flags |= DB_TRUNCATE; + if (mode == O_RDONLY) + db_flags |= DB_RDONLY; + SM_DB_FLAG_ADD(db_flags); + + result = smdb_db_open_internal(db_file_name, db_type, + db_flags, db_params, &db); + + if (result == 0 && db != NULL) + { + result = db->fd(db, &db_fd); + if (result == 0) + result = SMDBE_OK; + } + else + { + /* Try and narrow down on the problem */ + if (result != 0) + result = db2_error_to_smdb(result); + else + result = SMDBE_BAD_OPEN; + } + + if (result == SMDBE_OK) + result = smdb_filechanged(db_name, SMDB2_FILE_EXTENSION, db_fd, + &stat_info); + + if (result == SMDBE_OK) + { + /* Everything is ok. Setup driver */ + db2->smdb2_db = db; + + smdb_db->smdb_close = smdb2_close; + smdb_db->smdb_del = smdb2_del; + smdb_db->smdb_fd = smdb2_fd; + smdb_db->smdb_lockfd = smdb2_lockfd; + smdb_db->smdb_get = smdb2_get; + smdb_db->smdb_put = smdb2_put; + smdb_db->smdb_set_owner = smdb2_set_owner; + smdb_db->smdb_sync = smdb2_sync; + smdb_db->smdb_cursor = smdb2_cursor; + smdb_db->smdb_impl = db2; + + *database = smdb_db; + + return SMDBE_OK; + } + + if (db != NULL) + db->close(db, 0); + + smdb_unlock_file(db2->smdb2_lock_fd); + free(db2); + smdb_free_database(smdb_db); + + return result; +} + +#endif /* (DB_VERSION_MAJOR >= 2) */ diff --git a/contrib/sendmail-8.13.4/libsmdb/smndbm.c b/contrib/sendmail-8.13.4/libsmdb/smndbm.c new file mode 100644 index 0000000000..89ecf631a1 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmdb/smndbm.c @@ -0,0 +1,627 @@ +/* +** Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. +** All rights reserved. +** +** By using this file, you agree to the terms and conditions set +** forth in the LICENSE file which can be found at the top level of +** the sendmail distribution. +*/ + +#include +SM_RCSID("@(#)$Id: smndbm.c,v 8.52 2002/05/21 22:30:30 gshapiro Exp $") + +#include +#include +#include + +#include +#include + +#ifdef NDBM + +# define SMNDB_DIR_FILE_EXTENSION "dir" +# define SMNDB_PAG_FILE_EXTENSION "pag" + +struct smdb_dbm_database_struct +{ + DBM *smndbm_dbm; + int smndbm_lock_fd; + bool smndbm_cursor_in_use; +}; +typedef struct smdb_dbm_database_struct SMDB_DBM_DATABASE; + +struct smdb_dbm_cursor_struct +{ + SMDB_DBM_DATABASE *smndbmc_db; + datum smndbmc_current_key; +}; +typedef struct smdb_dbm_cursor_struct SMDB_DBM_CURSOR; + +/* +** SMDB_PUT_FLAGS_TO_NDBM_FLAGS -- Translates smdb put flags to ndbm put flags. +** +** Parameters: +** flags -- The flags to translate. +** +** Returns: +** The ndbm flags that are equivalent to the smdb flags. +** +** Notes: +** Any invalid flags are ignored. +** +*/ + +int +smdb_put_flags_to_ndbm_flags(flags) + SMDB_FLAG flags; +{ + int return_flags; + + return_flags = 0; + if (bitset(SMDBF_NO_OVERWRITE, flags)) + return_flags = DBM_INSERT; + else + return_flags = DBM_REPLACE; + + return return_flags; +} + +/* +** Except for smdb_ndbm_open, the rest of these function correspond to the +** interface laid out in smdb.h. +*/ + +SMDB_DBM_DATABASE * +smdbm_malloc_database() +{ + SMDB_DBM_DATABASE *db; + + db = (SMDB_DBM_DATABASE *) malloc(sizeof(SMDB_DBM_DATABASE)); + if (db != NULL) + { + db->smndbm_dbm = NULL; + db->smndbm_lock_fd = -1; + db->smndbm_cursor_in_use = false; + } + + return db; +} + +int +smdbm_close(database) + SMDB_DATABASE *database; +{ + SMDB_DBM_DATABASE *db = (SMDB_DBM_DATABASE *) database->smdb_impl; + DBM *dbm = ((SMDB_DBM_DATABASE *) database->smdb_impl)->smndbm_dbm; + + dbm_close(dbm); + if (db->smndbm_lock_fd != -1) + close(db->smndbm_lock_fd); + + free(db); + database->smdb_impl = NULL; + + return SMDBE_OK; +} + +int +smdbm_del(database, key, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + unsigned int flags; +{ + int result; + DBM *dbm = ((SMDB_DBM_DATABASE *) database->smdb_impl)->smndbm_dbm; + datum dbkey; + + (void) memset(&dbkey, '\0', sizeof dbkey); + dbkey.dptr = key->data; + dbkey.dsize = key->size; + + errno = 0; + result = dbm_delete(dbm, dbkey); + if (result != 0) + { + int save_errno = errno; + + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + + if (save_errno != 0) + return save_errno; + + return SMDBE_NOT_FOUND; + } + return SMDBE_OK; +} + +int +smdbm_fd(database, fd) + SMDB_DATABASE *database; + int *fd; +{ + DBM *dbm = ((SMDB_DBM_DATABASE *) database->smdb_impl)->smndbm_dbm; + + *fd = dbm_dirfno(dbm); + if (*fd <= 0) + return EINVAL; + + return SMDBE_OK; +} + +int +smdbm_lockfd(database) + SMDB_DATABASE *database; +{ + SMDB_DBM_DATABASE *db = (SMDB_DBM_DATABASE *) database->smdb_impl; + + return db->smndbm_lock_fd; +} + +int +smdbm_get(database, key, data, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + SMDB_DBENT *data; + unsigned int flags; +{ + DBM *dbm = ((SMDB_DBM_DATABASE *) database->smdb_impl)->smndbm_dbm; + datum dbkey, dbdata; + + (void) memset(&dbkey, '\0', sizeof dbkey); + (void) memset(&dbdata, '\0', sizeof dbdata); + dbkey.dptr = key->data; + dbkey.dsize = key->size; + + errno = 0; + dbdata = dbm_fetch(dbm, dbkey); + if (dbdata.dptr == NULL) + { + int save_errno = errno; + + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + + if (save_errno != 0) + return save_errno; + + return SMDBE_NOT_FOUND; + } + data->data = dbdata.dptr; + data->size = dbdata.dsize; + return SMDBE_OK; +} + +int +smdbm_put(database, key, data, flags) + SMDB_DATABASE *database; + SMDB_DBENT *key; + SMDB_DBENT *data; + unsigned int flags; +{ + int result; + int save_errno; + DBM *dbm = ((SMDB_DBM_DATABASE *) database->smdb_impl)->smndbm_dbm; + datum dbkey, dbdata; + + (void) memset(&dbkey, '\0', sizeof dbkey); + (void) memset(&dbdata, '\0', sizeof dbdata); + dbkey.dptr = key->data; + dbkey.dsize = key->size; + dbdata.dptr = data->data; + dbdata.dsize = data->size; + + errno = 0; + result = dbm_store(dbm, dbkey, dbdata, + smdb_put_flags_to_ndbm_flags(flags)); + switch (result) + { + case 1: + return SMDBE_DUPLICATE; + + case 0: + return SMDBE_OK; + + default: + save_errno = errno; + + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + + if (save_errno != 0) + return save_errno; + + return SMDBE_IO_ERROR; + } + /* NOTREACHED */ +} + +int +smndbm_set_owner(database, uid, gid) + SMDB_DATABASE *database; + uid_t uid; + gid_t gid; +{ +# if HASFCHOWN + int fd; + int result; + DBM *dbm = ((SMDB_DBM_DATABASE *) database->smdb_impl)->smndbm_dbm; + + fd = dbm_dirfno(dbm); + if (fd <= 0) + return EINVAL; + + result = fchown(fd, uid, gid); + if (result < 0) + return errno; + + fd = dbm_pagfno(dbm); + if (fd <= 0) + return EINVAL; + + result = fchown(fd, uid, gid); + if (result < 0) + return errno; +# endif /* HASFCHOWN */ + + return SMDBE_OK; +} + +int +smdbm_sync(database, flags) + SMDB_DATABASE *database; + unsigned int flags; +{ + return SMDBE_UNSUPPORTED; +} + +int +smdbm_cursor_close(cursor) + SMDB_CURSOR *cursor; +{ + SMDB_DBM_CURSOR *dbm_cursor = (SMDB_DBM_CURSOR *) cursor->smdbc_impl; + SMDB_DBM_DATABASE *db = dbm_cursor->smndbmc_db; + + if (!db->smndbm_cursor_in_use) + return SMDBE_NOT_A_VALID_CURSOR; + + db->smndbm_cursor_in_use = false; + free(dbm_cursor); + free(cursor); + + return SMDBE_OK; +} + +int +smdbm_cursor_del(cursor, flags) + SMDB_CURSOR *cursor; + unsigned int flags; +{ + int result; + SMDB_DBM_CURSOR *dbm_cursor = (SMDB_DBM_CURSOR *) cursor->smdbc_impl; + SMDB_DBM_DATABASE *db = dbm_cursor->smndbmc_db; + DBM *dbm = db->smndbm_dbm; + + errno = 0; + result = dbm_delete(dbm, dbm_cursor->smndbmc_current_key); + if (result != 0) + { + int save_errno = errno; + + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + + if (save_errno != 0) + return save_errno; + + return SMDBE_NOT_FOUND; + } + return SMDBE_OK; +} + +int +smdbm_cursor_get(cursor, key, value, flags) + SMDB_CURSOR *cursor; + SMDB_DBENT *key; + SMDB_DBENT *value; + SMDB_FLAG flags; +{ + SMDB_DBM_CURSOR *dbm_cursor = (SMDB_DBM_CURSOR *) cursor->smdbc_impl; + SMDB_DBM_DATABASE *db = dbm_cursor->smndbmc_db; + DBM *dbm = db->smndbm_dbm; + datum dbkey, dbdata; + + (void) memset(&dbkey, '\0', sizeof dbkey); + (void) memset(&dbdata, '\0', sizeof dbdata); + + if (flags == SMDB_CURSOR_GET_RANGE) + return SMDBE_UNSUPPORTED; + + if (dbm_cursor->smndbmc_current_key.dptr == NULL) + { + dbm_cursor->smndbmc_current_key = dbm_firstkey(dbm); + if (dbm_cursor->smndbmc_current_key.dptr == NULL) + { + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + return SMDBE_LAST_ENTRY; + } + } + else + { + dbm_cursor->smndbmc_current_key = dbm_nextkey(dbm); + if (dbm_cursor->smndbmc_current_key.dptr == NULL) + { + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + return SMDBE_LAST_ENTRY; + } + } + + errno = 0; + dbdata = dbm_fetch(dbm, dbm_cursor->smndbmc_current_key); + if (dbdata.dptr == NULL) + { + int save_errno = errno; + + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + + if (save_errno != 0) + return save_errno; + + return SMDBE_NOT_FOUND; + } + value->data = dbdata.dptr; + value->size = dbdata.dsize; + key->data = dbm_cursor->smndbmc_current_key.dptr; + key->size = dbm_cursor->smndbmc_current_key.dsize; + + return SMDBE_OK; +} + +int +smdbm_cursor_put(cursor, key, value, flags) + SMDB_CURSOR *cursor; + SMDB_DBENT *key; + SMDB_DBENT *value; + SMDB_FLAG flags; +{ + int result; + int save_errno; + SMDB_DBM_CURSOR *dbm_cursor = (SMDB_DBM_CURSOR *) cursor->smdbc_impl; + SMDB_DBM_DATABASE *db = dbm_cursor->smndbmc_db; + DBM *dbm = db->smndbm_dbm; + datum dbdata; + + (void) memset(&dbdata, '\0', sizeof dbdata); + dbdata.dptr = value->data; + dbdata.dsize = value->size; + + errno = 0; + result = dbm_store(dbm, dbm_cursor->smndbmc_current_key, dbdata, + smdb_put_flags_to_ndbm_flags(flags)); + switch (result) + { + case 1: + return SMDBE_DUPLICATE; + + case 0: + return SMDBE_OK; + + default: + save_errno = errno; + + if (dbm_error(dbm)) + return SMDBE_IO_ERROR; + + if (save_errno != 0) + return save_errno; + + return SMDBE_IO_ERROR; + } + /* NOTREACHED */ +} + +int +smdbm_cursor(database, cursor, flags) + SMDB_DATABASE *database; + SMDB_CURSOR **cursor; + SMDB_FLAG flags; +{ + SMDB_DBM_DATABASE *db = (SMDB_DBM_DATABASE *) database->smdb_impl; + SMDB_CURSOR *cur; + SMDB_DBM_CURSOR *dbm_cursor; + + if (db->smndbm_cursor_in_use) + return SMDBE_ONLY_SUPPORTS_ONE_CURSOR; + + db->smndbm_cursor_in_use = true; + dbm_cursor = (SMDB_DBM_CURSOR *) malloc(sizeof(SMDB_DBM_CURSOR)); + dbm_cursor->smndbmc_db = db; + dbm_cursor->smndbmc_current_key.dptr = NULL; + dbm_cursor->smndbmc_current_key.dsize = 0; + + cur = (SMDB_CURSOR*) malloc(sizeof(SMDB_CURSOR)); + if (cur == NULL) + return SMDBE_MALLOC; + + cur->smdbc_impl = dbm_cursor; + cur->smdbc_close = smdbm_cursor_close; + cur->smdbc_del = smdbm_cursor_del; + cur->smdbc_get = smdbm_cursor_get; + cur->smdbc_put = smdbm_cursor_put; + *cursor = cur; + + return SMDBE_OK; +} +/* +** SMDB_NDBM_OPEN -- Opens a ndbm database. +** +** Parameters: +** database -- An unallocated database pointer to a pointer. +** db_name -- The name of the database without extension. +** mode -- File permisions on a created database. +** mode_mask -- Mode bits that much match on an opened database. +** sff -- Flags to safefile. +** type -- The type of database to open. +** Only SMDB_NDBM is supported. +** user_info -- Information on the user to use for file +** permissions. +** db_params -- No params are supported. +** +** Returns: +** SMDBE_OK -- Success, otherwise errno: +** SMDBE_MALLOC -- Cannot allocate memory. +** SMDBE_UNSUPPORTED -- The type is not supported. +** SMDBE_GDBM_IS_BAD -- We have detected GDBM and we don't +** like it. +** SMDBE_BAD_OPEN -- dbm_open failed and errno was not set. +** Anything else: errno +*/ + +int +smdb_ndbm_open(database, db_name, mode, mode_mask, sff, type, user_info, + db_params) + SMDB_DATABASE **database; + char *db_name; + int mode; + int mode_mask; + long sff; + SMDB_DBTYPE type; + SMDB_USER_INFO *user_info; + SMDB_DBPARAMS *db_params; +{ + bool lockcreated = false; + int result; + int lock_fd; + SMDB_DATABASE *smdb_db; + SMDB_DBM_DATABASE *db; + DBM *dbm = NULL; + struct stat dir_stat_info; + struct stat pag_stat_info; + + result = SMDBE_OK; + *database = NULL; + + if (type == NULL) + return SMDBE_UNKNOWN_DB_TYPE; + + result = smdb_setup_file(db_name, SMNDB_DIR_FILE_EXTENSION, mode_mask, + sff, user_info, &dir_stat_info); + if (result != SMDBE_OK) + return result; + + result = smdb_setup_file(db_name, SMNDB_PAG_FILE_EXTENSION, mode_mask, + sff, user_info, &pag_stat_info); + if (result != SMDBE_OK) + return result; + + if ((dir_stat_info.st_mode == ST_MODE_NOFILE || + pag_stat_info.st_mode == ST_MODE_NOFILE) && + bitset(mode, O_CREAT)) + lockcreated = true; + + lock_fd = -1; + result = smdb_lock_file(&lock_fd, db_name, mode, sff, + SMNDB_DIR_FILE_EXTENSION); + if (result != SMDBE_OK) + return result; + + if (lockcreated) + { + int pag_fd; + + /* Need to pre-open the .pag file as well with O_EXCL */ + result = smdb_lock_file(&pag_fd, db_name, mode, sff, + SMNDB_PAG_FILE_EXTENSION); + if (result != SMDBE_OK) + { + (void) close(lock_fd); + return result; + } + (void) close(pag_fd); + + mode |= O_TRUNC; + mode &= ~(O_CREAT|O_EXCL); + } + + smdb_db = smdb_malloc_database(); + if (smdb_db == NULL) + result = SMDBE_MALLOC; + + db = smdbm_malloc_database(); + if (db == NULL) + result = SMDBE_MALLOC; + + /* Try to open database */ + if (result == SMDBE_OK) + { + db->smndbm_lock_fd = lock_fd; + + errno = 0; + dbm = dbm_open(db_name, mode, DBMMODE); + if (dbm == NULL) + { + if (errno == 0) + result = SMDBE_BAD_OPEN; + else + result = errno; + } + db->smndbm_dbm = dbm; + } + + /* Check for GDBM */ + if (result == SMDBE_OK) + { + if (dbm_dirfno(dbm) == dbm_pagfno(dbm)) + result = SMDBE_GDBM_IS_BAD; + } + + /* Check for filechanged */ + if (result == SMDBE_OK) + { + result = smdb_filechanged(db_name, SMNDB_DIR_FILE_EXTENSION, + dbm_dirfno(dbm), &dir_stat_info); + if (result == SMDBE_OK) + { + result = smdb_filechanged(db_name, + SMNDB_PAG_FILE_EXTENSION, + dbm_pagfno(dbm), + &pag_stat_info); + } + } + + /* XXX Got to get fchown stuff in here */ + + /* Setup driver if everything is ok */ + if (result == SMDBE_OK) + { + *database = smdb_db; + + smdb_db->smdb_close = smdbm_close; + smdb_db->smdb_del = smdbm_del; + smdb_db->smdb_fd = smdbm_fd; + smdb_db->smdb_lockfd = smdbm_lockfd; + smdb_db->smdb_get = smdbm_get; + smdb_db->smdb_put = smdbm_put; + smdb_db->smdb_set_owner = smndbm_set_owner; + smdb_db->smdb_sync = smdbm_sync; + smdb_db->smdb_cursor = smdbm_cursor; + + smdb_db->smdb_impl = db; + + return SMDBE_OK; + } + + /* If we're here, something bad happened, clean up */ + if (dbm != NULL) + dbm_close(dbm); + + smdb_unlock_file(db->smndbm_lock_fd); + free(db); + smdb_free_database(smdb_db); + + return result; +} +#endif /* NDBM */ diff --git a/contrib/sendmail-8.13.4/libsmutil/Makefile b/contrib/sendmail-8.13.4/libsmutil/Makefile new file mode 100644 index 0000000000..2de323192e --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.2 1999/09/23 22:36:32 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/libsmutil/Makefile.m4 b/contrib/sendmail-8.13.4/libsmutil/Makefile.m4 new file mode 100644 index 0000000000..ea37305629 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/Makefile.m4 @@ -0,0 +1,15 @@ +dnl $Id: Makefile.m4,v 8.17 2002/06/21 22:01:34 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`library', `libsmutil') +define(`bldSOURCES', `debug.c err.c lockfile.c safefile.c snprintf.c cf.c ') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/libsmutil/cf.c b/contrib/sendmail-8.13.4/libsmutil/cf.c new file mode 100644 index 0000000000..f313762f55 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/cf.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: cf.c,v 8.19 2002/09/24 20:40:59 ca Exp $") +#include + +/* +** GETCFNAME -- return the name of the .cf file to use. +** +** Some systems (e.g., NeXT) determine this dynamically. +** +** For others: returns submit.cf or sendmail.cf depending +** on the modes. +** +** Parameters: +** opmode -- operation mode. +** submitmode -- submit mode. +** cftype -- may request a certain cf file. +** conffile -- if set, return it. +** +** Returns: +** name of .cf file. +*/ + +char * +getcfname(opmode, submitmode, cftype, conffile) + int opmode; + int submitmode; + int cftype; + char *conffile; +{ +#if NETINFO + char *cflocation; +#endif /* NETINFO */ + + if (conffile != NULL) + return conffile; + + if (cftype == SM_GET_SUBMIT_CF || + ((submitmode != SUBMIT_UNKNOWN || + opmode == MD_DELIVER || + opmode == MD_ARPAFTP || + opmode == MD_SMTP) && + cftype != SM_GET_SENDMAIL_CF)) + { + struct stat sbuf; + static char cf[MAXPATHLEN]; + +#if NETINFO + cflocation = ni_propval("/locations", NULL, "sendmail", + "submit.cf", '\0'); + if (cflocation != NULL) + (void) sm_strlcpy(cf, cflocation, sizeof cf); + else +#endif /* NETINFO */ + (void) sm_strlcpyn(cf, sizeof cf, 2, _DIR_SENDMAILCF, + "submit.cf"); + if (cftype == SM_GET_SUBMIT_CF || stat(cf, &sbuf) == 0) + return cf; + } +#if NETINFO + cflocation = ni_propval("/locations", NULL, "sendmail", + "sendmail.cf", '\0'); + if (cflocation != NULL) + return cflocation; +#endif /* NETINFO */ + return _PATH_SENDMAILCF; +} diff --git a/contrib/sendmail-8.13.4/libsmutil/debug.c b/contrib/sendmail-8.13.4/libsmutil/debug.c new file mode 100644 index 0000000000..2c3b3284ad --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/debug.c @@ -0,0 +1,15 @@ +/* + * Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: debug.c,v 8.9 2001/09/11 04:04:55 gshapiro Exp $") + +unsigned char tTdvect[100]; /* trace vector */ diff --git a/contrib/sendmail-8.13.4/libsmutil/err.c b/contrib/sendmail-8.13.4/libsmutil/err.c new file mode 100644 index 0000000000..0ad52a4a4a --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/err.c @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: err.c,v 8.5 2001/09/11 04:04:55 gshapiro Exp $") + +#include + +/*VARARGS1*/ +void +#ifdef __STDC__ +message(const char *msg, ...) +#else /* __STDC__ */ +message(msg, va_alist) + const char *msg; + va_dcl +#endif /* __STDC__ */ +{ + const char *m; + SM_VA_LOCAL_DECL + + m = msg; + if (isascii(m[0]) && isdigit(m[0]) && + isascii(m[1]) && isdigit(m[1]) && + isascii(m[2]) && isdigit(m[2]) && m[3] == ' ') + m += 4; + SM_VA_START(ap, msg); + (void) vfprintf(stderr, m, ap); + SM_VA_END(ap); + (void) fprintf(stderr, "\n"); +} + +/*VARARGS1*/ +void +#ifdef __STDC__ +syserr(const char *msg, ...) +#else /* __STDC__ */ +syserr(msg, va_alist) + const char *msg; + va_dcl +#endif /* __STDC__ */ +{ + const char *m; + SM_VA_LOCAL_DECL + + m = msg; + if (isascii(m[0]) && isdigit(m[0]) && + isascii(m[1]) && isdigit(m[1]) && + isascii(m[2]) && isdigit(m[2]) && m[3] == ' ') + m += 4; + SM_VA_START(ap, msg); + (void) vfprintf(stderr, m, ap); + SM_VA_END(ap); + (void) fprintf(stderr, "\n"); +} diff --git a/contrib/sendmail-8.13.4/libsmutil/lockfile.c b/contrib/sendmail-8.13.4/libsmutil/lockfile.c new file mode 100644 index 0000000000..17d6237eaa --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/lockfile.c @@ -0,0 +1,82 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: lockfile.c,v 8.21 2003/11/10 22:57:38 ca Exp $") + + +/* +** LOCKFILE -- lock a file using flock or (shudder) fcntl locking +** +** Parameters: +** fd -- the file descriptor of the file. +** filename -- the file name (for error messages). [unused] +** ext -- the filename extension. [unused] +** type -- type of the lock. Bits can be: +** LOCK_EX -- exclusive lock. +** LOCK_NB -- non-blocking. +** LOCK_UN -- unlock. +** +** Returns: +** true if the lock was acquired. +** false otherwise. +*/ + +bool +lockfile(fd, filename, ext, type) + int fd; + char *filename; + char *ext; + int type; +{ +#if !HASFLOCK + int action; + struct flock lfd; + + memset(&lfd, '\0', sizeof lfd); + if (bitset(LOCK_UN, type)) + lfd.l_type = F_UNLCK; + else if (bitset(LOCK_EX, type)) + lfd.l_type = F_WRLCK; + else + lfd.l_type = F_RDLCK; + if (bitset(LOCK_NB, type)) + action = F_SETLK; + else + action = F_SETLKW; + + if (fcntl(fd, action, &lfd) >= 0) + return true; + + /* + ** On SunOS, if you are testing using -oQ/tmp/mqueue or + ** -oA/tmp/aliases or anything like that, and /tmp is mounted + ** as type "tmp" (that is, served from swap space), the + ** previous fcntl will fail with "Invalid argument" errors. + ** Since this is fairly common during testing, we will assume + ** that this indicates that the lock is successfully grabbed. + */ + + if (errno == EINVAL) + return true; + +#else /* !HASFLOCK */ + + if (flock(fd, type) >= 0) + return true; + +#endif /* !HASFLOCK */ + + return false; +} diff --git a/contrib/sendmail-8.13.4/libsmutil/safefile.c b/contrib/sendmail-8.13.4/libsmutil/safefile.c new file mode 100644 index 0000000000..8488534280 --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/safefile.c @@ -0,0 +1,983 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#include +#include + +SM_RCSID("@(#)$Id: safefile.c,v 8.128 2004/09/30 18:15:49 ca Exp $") + + +/* +** SAFEFILE -- return 0 if a file exists and is safe for a user. +** +** Parameters: +** fn -- filename to check. +** uid -- user id to compare against. +** gid -- group id to compare against. +** user -- user name to compare against (used for group +** sets). +** flags -- modifiers: +** SFF_MUSTOWN -- "uid" must own this file. +** SFF_NOSLINK -- file cannot be a symbolic link. +** mode -- mode bits that must match. +** st -- if set, points to a stat structure that will +** get the stat info for the file. +** +** Returns: +** 0 if fn exists, is owned by uid, and matches mode. +** An errno otherwise. The actual errno is cleared. +** +** Side Effects: +** none. +*/ + +int +safefile(fn, uid, gid, user, flags, mode, st) + char *fn; + UID_T uid; + GID_T gid; + char *user; + long flags; + int mode; + struct stat *st; +{ + register char *p; + register struct group *gr = NULL; + int file_errno = 0; + bool checkpath; + struct stat stbuf; + struct stat fstbuf; + char fbuf[MAXPATHLEN]; + + if (tTd(44, 4)) + sm_dprintf("safefile(%s, uid=%d, gid=%d, flags=%lx, mode=%o):\n", + fn, (int) uid, (int) gid, flags, mode); + errno = 0; + if (sm_strlcpy(fbuf, fn, sizeof fbuf) >= sizeof fbuf) + { + if (tTd(44, 4)) + sm_dprintf("\tpathname too long\n"); + return ENAMETOOLONG; + } + fn = fbuf; + if (st == NULL) + st = &fstbuf; + + /* ignore SFF_SAFEDIRPATH if we are debugging */ + if (RealUid != 0 && RunAsUid == RealUid) + flags &= ~SFF_SAFEDIRPATH; + + /* first check to see if the file exists at all */ +# if HASLSTAT + if ((bitset(SFF_NOSLINK, flags) ? lstat(fn, st) + : stat(fn, st)) < 0) +# else /* HASLSTAT */ + if (stat(fn, st) < 0) +# endif /* HASLSTAT */ + { + file_errno = errno; + } + else if (bitset(SFF_SETUIDOK, flags) && + !bitset(S_IXUSR|S_IXGRP|S_IXOTH, st->st_mode) && + S_ISREG(st->st_mode)) + { + /* + ** If final file is set-user-ID, run as the owner of that + ** file. Gotta be careful not to reveal anything too + ** soon here! + */ + +# ifdef SUID_ROOT_FILES_OK + if (bitset(S_ISUID, st->st_mode)) +# else /* SUID_ROOT_FILES_OK */ + if (bitset(S_ISUID, st->st_mode) && st->st_uid != 0 && + st->st_uid != TrustedUid) +# endif /* SUID_ROOT_FILES_OK */ + { + uid = st->st_uid; + user = NULL; + } +# ifdef SUID_ROOT_FILES_OK + if (bitset(S_ISGID, st->st_mode)) +# else /* SUID_ROOT_FILES_OK */ + if (bitset(S_ISGID, st->st_mode) && st->st_gid != 0) +# endif /* SUID_ROOT_FILES_OK */ + gid = st->st_gid; + } + + checkpath = !bitset(SFF_NOPATHCHECK, flags) || + (uid == 0 && !bitset(SFF_ROOTOK|SFF_OPENASROOT, flags)); + if (bitset(SFF_NOWLINK, flags) && !bitset(SFF_SAFEDIRPATH, flags)) + { + int ret; + + /* check the directory */ + p = strrchr(fn, '/'); + if (p == NULL) + { + ret = safedirpath(".", uid, gid, user, + flags|SFF_SAFEDIRPATH, 0, 0); + } + else + { + *p = '\0'; + ret = safedirpath(fn, uid, gid, user, + flags|SFF_SAFEDIRPATH, 0, 0); + *p = '/'; + } + if (ret == 0) + { + /* directory is safe */ + checkpath = false; + } + else + { +# if HASLSTAT + /* Need lstat() information if called stat() before */ + if (!bitset(SFF_NOSLINK, flags) && lstat(fn, st) < 0) + { + ret = errno; + if (tTd(44, 4)) + sm_dprintf("\t%s\n", sm_errstring(ret)); + return ret; + } +# endif /* HASLSTAT */ + /* directory is writable: disallow links */ + flags |= SFF_NOLINK; + } + } + + if (checkpath) + { + int ret; + + p = strrchr(fn, '/'); + if (p == NULL) + { + ret = safedirpath(".", uid, gid, user, flags, 0, 0); + } + else + { + *p = '\0'; + ret = safedirpath(fn, uid, gid, user, flags, 0, 0); + *p = '/'; + } + if (ret != 0) + return ret; + } + + /* + ** If the target file doesn't exist, check the directory to + ** ensure that it is writable by this user. + */ + + if (file_errno != 0) + { + int ret = file_errno; + char *dir = fn; + + if (tTd(44, 4)) + sm_dprintf("\t%s\n", sm_errstring(ret)); + + errno = 0; + if (!bitset(SFF_CREAT, flags) || file_errno != ENOENT) + return ret; + + /* check to see if legal to create the file */ + p = strrchr(dir, '/'); + if (p == NULL) + dir = "."; + else if (p == dir) + dir = "/"; + else + *p = '\0'; + if (stat(dir, &stbuf) >= 0) + { + int md = S_IWRITE|S_IEXEC; + + ret = 0; + if (stbuf.st_uid == uid) + /* EMPTY */ + ; + else if (uid == 0 && stbuf.st_uid == TrustedUid) + /* EMPTY */ + ; + else + { + md >>= 3; + if (stbuf.st_gid == gid) + /* EMPTY */ + ; +# ifndef NO_GROUP_SET + else if (user != NULL && !DontInitGroups && + ((gr != NULL && + gr->gr_gid == stbuf.st_gid) || + (gr = getgrgid(stbuf.st_gid)) != NULL)) + { + register char **gp; + + for (gp = gr->gr_mem; *gp != NULL; gp++) + if (strcmp(*gp, user) == 0) + break; + if (*gp == NULL) + md >>= 3; + } +# endif /* ! NO_GROUP_SET */ + else + md >>= 3; + } + if ((stbuf.st_mode & md) != md) + ret = errno = EACCES; + } + else + ret = errno; + if (tTd(44, 4)) + sm_dprintf("\t[final dir %s uid %d mode %lo] %s\n", + dir, (int) stbuf.st_uid, + (unsigned long) stbuf.st_mode, + sm_errstring(ret)); + if (p != NULL) + *p = '/'; + st->st_mode = ST_MODE_NOFILE; + return ret; + } + +# ifdef S_ISLNK + if (bitset(SFF_NOSLINK, flags) && S_ISLNK(st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[slink mode %lo]\tE_SM_NOSLINK\n", + (unsigned long) st->st_mode); + return E_SM_NOSLINK; + } +# endif /* S_ISLNK */ + if (bitset(SFF_REGONLY, flags) && !S_ISREG(st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[non-reg mode %lo]\tE_SM_REGONLY\n", + (unsigned long) st->st_mode); + return E_SM_REGONLY; + } + if (bitset(SFF_NOGWFILES, flags) && + bitset(S_IWGRP, st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[write bits %lo]\tE_SM_GWFILE\n", + (unsigned long) st->st_mode); + return E_SM_GWFILE; + } + if (bitset(SFF_NOWWFILES, flags) && + bitset(S_IWOTH, st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[write bits %lo]\tE_SM_WWFILE\n", + (unsigned long) st->st_mode); + return E_SM_WWFILE; + } + if (bitset(SFF_NOGRFILES, flags) && bitset(S_IRGRP, st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[read bits %lo]\tE_SM_GRFILE\n", + (unsigned long) st->st_mode); + return E_SM_GRFILE; + } + if (bitset(SFF_NOWRFILES, flags) && bitset(S_IROTH, st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[read bits %lo]\tE_SM_WRFILE\n", + (unsigned long) st->st_mode); + return E_SM_WRFILE; + } + if (!bitset(SFF_EXECOK, flags) && + bitset(S_IWUSR|S_IWGRP|S_IWOTH, mode) && + bitset(S_IXUSR|S_IXGRP|S_IXOTH, st->st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[exec bits %lo]\tE_SM_ISEXEC\n", + (unsigned long) st->st_mode); + return E_SM_ISEXEC; + } + if (bitset(SFF_NOHLINK, flags) && st->st_nlink != 1) + { + if (tTd(44, 4)) + sm_dprintf("\t[link count %d]\tE_SM_NOHLINK\n", + (int) st->st_nlink); + return E_SM_NOHLINK; + } + + if (uid == 0 && bitset(SFF_OPENASROOT, flags)) + /* EMPTY */ + ; + else if (uid == 0 && !bitset(SFF_ROOTOK, flags)) + mode >>= 6; + else if (st->st_uid == uid) + /* EMPTY */ + ; + else if (uid == 0 && st->st_uid == TrustedUid) + /* EMPTY */ + ; + else + { + mode >>= 3; + if (st->st_gid == gid) + /* EMPTY */ + ; +# ifndef NO_GROUP_SET + else if (user != NULL && !DontInitGroups && + ((gr != NULL && gr->gr_gid == st->st_gid) || + (gr = getgrgid(st->st_gid)) != NULL)) + { + register char **gp; + + for (gp = gr->gr_mem; *gp != NULL; gp++) + if (strcmp(*gp, user) == 0) + break; + if (*gp == NULL) + mode >>= 3; + } +# endif /* ! NO_GROUP_SET */ + else + mode >>= 3; + } + if (tTd(44, 4)) + sm_dprintf("\t[uid %d, nlink %d, stat %lo, mode %lo] ", + (int) st->st_uid, (int) st->st_nlink, + (unsigned long) st->st_mode, (unsigned long) mode); + if ((st->st_uid == uid || st->st_uid == 0 || + st->st_uid == TrustedUid || + !bitset(SFF_MUSTOWN, flags)) && + (st->st_mode & mode) == mode) + { + if (tTd(44, 4)) + sm_dprintf("\tOK\n"); + return 0; + } + if (tTd(44, 4)) + sm_dprintf("\tEACCES\n"); + return EACCES; +} +/* +** SAFEDIRPATH -- check to make sure a path to a directory is safe +** +** Safe means not writable and owned by the right folks. +** +** Parameters: +** fn -- filename to check. +** uid -- user id to compare against. +** gid -- group id to compare against. +** user -- user name to compare against (used for group +** sets). +** flags -- modifiers: +** SFF_ROOTOK -- ok to use root permissions to open. +** SFF_SAFEDIRPATH -- writable directories are considered +** to be fatal errors. +** level -- symlink recursive level. +** offset -- offset into fn to start checking from. +** +** Returns: +** 0 -- if the directory path is "safe". +** else -- an error number associated with the path. +*/ + +int +safedirpath(fn, uid, gid, user, flags, level, offset) + char *fn; + UID_T uid; + GID_T gid; + char *user; + long flags; + int level; + int offset; +{ + int ret = 0; + int mode = S_IWOTH; + char save = '\0'; + char *saveptr = NULL; + char *p, *enddir; + register struct group *gr = NULL; + char s[MAXLINKPATHLEN]; + struct stat stbuf; + + /* make sure we aren't in a symlink loop */ + if (level > MAXSYMLINKS) + return ELOOP; + + if (level < 0 || offset < 0 || offset > strlen(fn)) + return EINVAL; + + /* special case root directory */ + if (*fn == '\0') + fn = "/"; + + if (tTd(44, 4)) + sm_dprintf("safedirpath(%s, uid=%ld, gid=%ld, flags=%lx, level=%d, offset=%d):\n", + fn, (long) uid, (long) gid, flags, level, offset); + + if (!bitnset(DBS_GROUPWRITABLEDIRPATHSAFE, DontBlameSendmail)) + mode |= S_IWGRP; + + /* Make a modifiable copy of the filename */ + if (sm_strlcpy(s, fn, sizeof s) >= sizeof s) + return EINVAL; + + p = s + offset; + while (p != NULL) + { + /* put back character */ + if (saveptr != NULL) + { + *saveptr = save; + saveptr = NULL; + p++; + } + + if (*p == '\0') + break; + + p = strchr(p, '/'); + + /* Special case for root directory */ + if (p == s) + { + save = *(p + 1); + saveptr = p + 1; + *(p + 1) = '\0'; + } + else if (p != NULL) + { + save = *p; + saveptr = p; + *p = '\0'; + } + + /* Heuristic: . and .. have already been checked */ + enddir = strrchr(s, '/'); + if (enddir != NULL && + (strcmp(enddir, "/..") == 0 || + strcmp(enddir, "/.") == 0)) + continue; + + if (tTd(44, 20)) + sm_dprintf("\t[dir %s]\n", s); + +# if HASLSTAT + ret = lstat(s, &stbuf); +# else /* HASLSTAT */ + ret = stat(s, &stbuf); +# endif /* HASLSTAT */ + if (ret < 0) + { + ret = errno; + break; + } + +# ifdef S_ISLNK + /* Follow symlinks */ + if (S_ISLNK(stbuf.st_mode)) + { + int linklen; + char *target; + char buf[MAXPATHLEN]; + char fullbuf[MAXLINKPATHLEN]; + + memset(buf, '\0', sizeof buf); + linklen = readlink(s, buf, sizeof buf); + if (linklen < 0) + { + ret = errno; + break; + } + if (linklen >= sizeof buf) + { + /* file name too long for buffer */ + ret = errno = EINVAL; + break; + } + + offset = 0; + if (*buf == '/') + { + target = buf; + + /* If path is the same, avoid rechecks */ + while (s[offset] == buf[offset] && + s[offset] != '\0') + offset++; + + if (s[offset] == '\0' && buf[offset] == '\0') + { + /* strings match, symlink loop */ + return ELOOP; + } + + /* back off from the mismatch */ + if (offset > 0) + offset--; + + /* Make sure we are at a directory break */ + if (offset > 0 && + s[offset] != '/' && + s[offset] != '\0') + { + while (buf[offset] != '/' && + offset > 0) + offset--; + } + if (offset > 0 && + s[offset] == '/' && + buf[offset] == '/') + { + /* Include the trailing slash */ + offset++; + } + } + else + { + char *sptr; + + sptr = strrchr(s, '/'); + if (sptr != NULL) + { + *sptr = '\0'; + offset = sptr + 1 - s; + if (sm_strlcpyn(fullbuf, + sizeof fullbuf, 2, + s, "/") >= + sizeof fullbuf || + sm_strlcat(fullbuf, buf, + sizeof fullbuf) >= + sizeof fullbuf) + { + ret = EINVAL; + break; + } + *sptr = '/'; + } + else + { + if (sm_strlcpy(fullbuf, buf, + sizeof fullbuf) >= + sizeof fullbuf) + { + ret = EINVAL; + break; + } + } + target = fullbuf; + } + ret = safedirpath(target, uid, gid, user, flags, + level + 1, offset); + if (ret != 0) + break; + + /* Don't check permissions on the link file itself */ + continue; + } +#endif /* S_ISLNK */ + + if ((uid == 0 || bitset(SFF_SAFEDIRPATH, flags)) && +#ifdef S_ISVTX + !(bitnset(DBS_TRUSTSTICKYBIT, DontBlameSendmail) && + bitset(S_ISVTX, stbuf.st_mode)) && +#endif /* S_ISVTX */ + bitset(mode, stbuf.st_mode)) + { + if (tTd(44, 4)) + sm_dprintf("\t[dir %s] mode %lo ", + s, (unsigned long) stbuf.st_mode); + if (bitset(SFF_SAFEDIRPATH, flags)) + { + if (bitset(S_IWOTH, stbuf.st_mode)) + ret = E_SM_WWDIR; + else + ret = E_SM_GWDIR; + if (tTd(44, 4)) + sm_dprintf("FATAL\n"); + break; + } + if (tTd(44, 4)) + sm_dprintf("WARNING\n"); + if (Verbose > 1) + message("051 WARNING: %s writable directory %s", + bitset(S_IWOTH, stbuf.st_mode) + ? "World" + : "Group", + s); + } + if (uid == 0 && !bitset(SFF_ROOTOK|SFF_OPENASROOT, flags)) + { + if (bitset(S_IXOTH, stbuf.st_mode)) + continue; + ret = EACCES; + break; + } + + /* + ** Let OS determine access to file if we are not + ** running as a privileged user. This allows ACLs + ** to work. Also, if opening as root, assume we can + ** scan the directory. + */ + if (geteuid() != 0 || bitset(SFF_OPENASROOT, flags)) + continue; + + if (stbuf.st_uid == uid && + bitset(S_IXUSR, stbuf.st_mode)) + continue; + if (stbuf.st_gid == gid && + bitset(S_IXGRP, stbuf.st_mode)) + continue; +# ifndef NO_GROUP_SET + if (user != NULL && !DontInitGroups && + ((gr != NULL && gr->gr_gid == stbuf.st_gid) || + (gr = getgrgid(stbuf.st_gid)) != NULL)) + { + register char **gp; + + for (gp = gr->gr_mem; gp != NULL && *gp != NULL; gp++) + if (strcmp(*gp, user) == 0) + break; + if (gp != NULL && *gp != NULL && + bitset(S_IXGRP, stbuf.st_mode)) + continue; + } +# endif /* ! NO_GROUP_SET */ + if (!bitset(S_IXOTH, stbuf.st_mode)) + { + ret = EACCES; + break; + } + } + if (tTd(44, 4)) + sm_dprintf("\t[dir %s] %s\n", fn, + ret == 0 ? "OK" : sm_errstring(ret)); + return ret; +} +/* +** SAFEOPEN -- do a file open with extra checking +** +** Parameters: +** fn -- the file name to open. +** omode -- the open-style mode flags. +** cmode -- the create-style mode flags. +** sff -- safefile flags. +** +** Returns: +** Same as open. +*/ + +int +safeopen(fn, omode, cmode, sff) + char *fn; + int omode; + int cmode; + long sff; +{ +#if !NOFTRUNCATE + bool truncate; +#endif /* !NOFTRUNCATE */ + int rval; + int fd; + int smode; + struct stat stb; + + if (tTd(44, 10)) + sm_dprintf("safeopen: fn=%s, omode=%x, cmode=%x, sff=%lx\n", + fn, omode, cmode, sff); + + if (bitset(O_CREAT, omode)) + sff |= SFF_CREAT; + omode &= ~O_CREAT; + smode = 0; + switch (omode & O_ACCMODE) + { + case O_RDONLY: + smode = S_IREAD; + break; + + case O_WRONLY: + smode = S_IWRITE; + break; + + case O_RDWR: + smode = S_IREAD|S_IWRITE; + break; + + default: + smode = 0; + break; + } + if (bitset(SFF_OPENASROOT, sff)) + rval = safefile(fn, RunAsUid, RunAsGid, RunAsUserName, + sff, smode, &stb); + else + rval = safefile(fn, RealUid, RealGid, RealUserName, + sff, smode, &stb); + if (rval != 0) + { + errno = rval; + return -1; + } + if (stb.st_mode == ST_MODE_NOFILE && bitset(SFF_CREAT, sff)) + omode |= O_CREAT | (bitset(SFF_NOTEXCL, sff) ? 0 : O_EXCL); + else if (bitset(SFF_CREAT, sff) && bitset(O_EXCL, omode)) + { + /* The file exists so an exclusive create would fail */ + errno = EEXIST; + return -1; + } + +#if !NOFTRUNCATE + truncate = bitset(O_TRUNC, omode); + if (truncate) + omode &= ~O_TRUNC; +#endif /* !NOFTRUNCATE */ + + fd = dfopen(fn, omode, cmode, sff); + if (fd < 0) + return fd; + if (filechanged(fn, fd, &stb)) + { + syserr("554 5.3.0 cannot open: file %s changed after open", fn); + (void) close(fd); + errno = E_SM_FILECHANGE; + return -1; + } + +#if !NOFTRUNCATE + if (truncate && + ftruncate(fd, (off_t) 0) < 0) + { + int save_errno; + + save_errno = errno; + syserr("554 5.3.0 cannot open: file %s could not be truncated", + fn); + (void) close(fd); + errno = save_errno; + return -1; + } +#endif /* !NOFTRUNCATE */ + + return fd; +} +/* +** SAFEFOPEN -- do a file open with extra checking +** +** Parameters: +** fn -- the file name to open. +** omode -- the open-style mode flags. +** cmode -- the create-style mode flags. +** sff -- safefile flags. +** +** Returns: +** Same as fopen. +*/ + +SM_FILE_T * +safefopen(fn, omode, cmode, sff) + char *fn; + int omode; + int cmode; + long sff; +{ + int fd; + int save_errno; + SM_FILE_T *fp; + int fmode; + + switch (omode & O_ACCMODE) + { + case O_RDONLY: + fmode = SM_IO_RDONLY; + break; + + case O_WRONLY: + if (bitset(O_APPEND, omode)) + fmode = SM_IO_APPEND; + else + fmode = SM_IO_WRONLY; + break; + + case O_RDWR: + if (bitset(O_TRUNC, omode)) + fmode = SM_IO_RDWRTR; + else if (bitset(O_APPEND, omode)) + fmode = SM_IO_APPENDRW; + else + fmode = SM_IO_RDWR; + break; + + default: + syserr("554 5.3.5 safefopen: unknown omode %o", omode); + fmode = 0; + } + fd = safeopen(fn, omode, cmode, sff); + if (fd < 0) + { + save_errno = errno; + if (tTd(44, 10)) + sm_dprintf("safefopen: safeopen failed: %s\n", + sm_errstring(errno)); + errno = save_errno; + return NULL; + } + fp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &fd, fmode, NULL); + if (fp != NULL) + return fp; + + save_errno = errno; + if (tTd(44, 10)) + { + sm_dprintf("safefopen: fdopen(%s, %d) failed: omode=%x, sff=%lx, err=%s\n", + fn, fmode, omode, sff, sm_errstring(errno)); + } + (void) close(fd); + errno = save_errno; + return NULL; +} +/* +** FILECHANGED -- check to see if file changed after being opened +** +** Parameters: +** fn -- pathname of file to check. +** fd -- file descriptor to check. +** stb -- stat structure from before open. +** +** Returns: +** true -- if a problem was detected. +** false -- if this file is still the same. +*/ + +bool +filechanged(fn, fd, stb) + char *fn; + int fd; + struct stat *stb; +{ + struct stat sta; + + if (stb->st_mode == ST_MODE_NOFILE) + { +# if HASLSTAT && BOGUS_O_EXCL + /* only necessary if exclusive open follows symbolic links */ + if (lstat(fn, stb) < 0 || stb->st_nlink != 1) + return true; +# else /* HASLSTAT && BOGUS_O_EXCL */ + return false; +# endif /* HASLSTAT && BOGUS_O_EXCL */ + } + if (fstat(fd, &sta) < 0) + return true; + + if (sta.st_nlink != stb->st_nlink || + sta.st_dev != stb->st_dev || + sta.st_ino != stb->st_ino || +# if HAS_ST_GEN && 0 /* AFS returns garbage in st_gen */ + sta.st_gen != stb->st_gen || +# endif /* HAS_ST_GEN && 0 */ + sta.st_uid != stb->st_uid || + sta.st_gid != stb->st_gid) + { + if (tTd(44, 8)) + { + sm_dprintf("File changed after opening:\n"); + sm_dprintf(" nlink = %ld/%ld\n", + (long) stb->st_nlink, (long) sta.st_nlink); + sm_dprintf(" dev = %ld/%ld\n", + (long) stb->st_dev, (long) sta.st_dev); + sm_dprintf(" ino = %llu/%llu\n", + (ULONGLONG_T) stb->st_ino, + (ULONGLONG_T) sta.st_ino); +# if HAS_ST_GEN + sm_dprintf(" gen = %ld/%ld\n", + (long) stb->st_gen, (long) sta.st_gen); +# endif /* HAS_ST_GEN */ + sm_dprintf(" uid = %ld/%ld\n", + (long) stb->st_uid, (long) sta.st_uid); + sm_dprintf(" gid = %ld/%ld\n", + (long) stb->st_gid, (long) sta.st_gid); + } + return true; + } + + return false; +} +/* +** DFOPEN -- determined file open +** +** This routine has the semantics of open, except that it will +** keep trying a few times to make this happen. The idea is that +** on very loaded systems, we may run out of resources (inodes, +** whatever), so this tries to get around it. +*/ + +int +dfopen(filename, omode, cmode, sff) + char *filename; + int omode; + int cmode; + long sff; +{ + register int tries; + int fd = -1; + struct stat st; + + for (tries = 0; tries < 10; tries++) + { + (void) sleep((unsigned) (10 * tries)); + errno = 0; + fd = open(filename, omode, cmode); + if (fd >= 0) + break; + switch (errno) + { + case ENFILE: /* system file table full */ + case EINTR: /* interrupted syscall */ +#ifdef ETXTBSY + case ETXTBSY: /* Apollo: net file locked */ +#endif /* ETXTBSY */ + continue; + } + break; + } + if (!bitset(SFF_NOLOCK, sff) && + fd >= 0 && + fstat(fd, &st) >= 0 && + S_ISREG(st.st_mode)) + { + int locktype; + + /* lock the file to avoid accidental conflicts */ + if ((omode & O_ACCMODE) != O_RDONLY) + locktype = LOCK_EX; + else + locktype = LOCK_SH; + if (bitset(SFF_NBLOCK, sff)) + locktype |= LOCK_NB; + + if (!lockfile(fd, filename, NULL, locktype)) + { + int save_errno = errno; + + (void) close(fd); + fd = -1; + errno = save_errno; + } + else + errno = 0; + } + return fd; +} diff --git a/contrib/sendmail-8.13.4/libsmutil/snprintf.c b/contrib/sendmail-8.13.4/libsmutil/snprintf.c new file mode 100644 index 0000000000..ff3aa3b90c --- /dev/null +++ b/contrib/sendmail-8.13.4/libsmutil/snprintf.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: snprintf.c,v 8.44 2001/09/11 04:04:56 gshapiro Exp $") + +/* +** SHORTENSTRING -- return short version of a string +** +** If the string is already short, just return it. If it is too +** long, return the head and tail of the string. +** +** Parameters: +** s -- the string to shorten. +** m -- the max length of the string (strlen()). +** +** Returns: +** Either s or a short version of s. +*/ + +char * +shortenstring(s, m) + register const char *s; + size_t m; +{ + size_t l; + static char buf[MAXSHORTSTR + 1]; + + l = strlen(s); + if (l < m) + return (char *) s; + if (m > MAXSHORTSTR) + m = MAXSHORTSTR; + else if (m < 10) + { + if (m < 5) + { + (void) sm_strlcpy(buf, s, m + 1); + return buf; + } + (void) sm_strlcpy(buf, s, m - 2); + (void) sm_strlcat(buf, "...", sizeof buf); + return buf; + } + m = (m - 3) / 2; + (void) sm_strlcpy(buf, s, m + 1); + (void) sm_strlcat2(buf, "...", s + l - m, sizeof buf); + return buf; +} diff --git a/contrib/sendmail-8.13.4/mail.local/Makefile b/contrib/sendmail-8.13.4/mail.local/Makefile new file mode 100644 index 0000000000..b560a3039d --- /dev/null +++ b/contrib/sendmail-8.13.4/mail.local/Makefile @@ -0,0 +1,19 @@ +# $Id: Makefile,v 8.5 1999/10/05 16:39:32 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +force-install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/mail.local/Makefile.m4 b/contrib/sendmail-8.13.4/mail.local/Makefile.m4 new file mode 100644 index 0000000000..c9af26fc59 --- /dev/null +++ b/contrib/sendmail-8.13.4/mail.local/Makefile.m4 @@ -0,0 +1,35 @@ +dnl $Id: Makefile.m4,v 8.51 2004/11/18 22:29:52 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `mail.local') +define(`bldINSTALL_DIR', `E') +define(`bldNO_INSTALL', `true') +define(`bldSOURCES', `mail.local.c ') +bldPUSH_SMLIB(`sm') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `mail.local') +define(`bldSOURCES', `mail.local.8') +bldPRODUCT_END + +divert(bldTARGETS_SECTION) +install: + @echo "NOTE: This version of mail.local is not suited for some operating" + @echo " systems such as HP-UX and Solaris. Please consult the" + @echo " README file in the mail.local directory. You can force" + @echo " the install using 'Build force-install'." + +force-install: install-mail.local ifdef(`confNO_MAN_BUILD',, `install-docs') + +install-mail.local: mail.local + ${INSTALL} -c -o ${UBINOWN} -g ${UBINGRP} -m ${UBINMODE} mail.local ${DESTDIR}${EBINDIR} +divert + +bldFINISH diff --git a/contrib/sendmail-8.13.4/mail.local/README b/contrib/sendmail-8.13.4/mail.local/README new file mode 100644 index 0000000000..2ab9dbc4af --- /dev/null +++ b/contrib/sendmail-8.13.4/mail.local/README @@ -0,0 +1,64 @@ +This directory contains the source files for mail.local. + +This is not intended to be used on *stock* System V derived systems such as +Solaris or HP-UX, since they use a totally different approach to mailboxes +(essentially, they have a set-group-ID program rather than set-user-ID, and +they rely on the ability to "give away" files to do their work). + +If you choose to run *this* mail.local on these systems then you may also +need to replace the existing MUAs, as well as IMAP and POP servers, with +ones that are compatible with the BSD interface. You have been warned! + +For systems with maillock() support, compile with -DMAILLOCK and link with +-lmail to use the maillock() routines. This can be accomplished in your +site.config.m4 file with: + + APPENDDEF(`conf_mail_local_ENVDEF', `-DMAILLOCK') + APPENDDEF(`conf_mail_local_LIBS', `-lmail') + +Defining CONTENTLENGTH (-DCONTENTLENGTH) will build a mail.local which +outputs a Content-Length: header. Solaris 2.3 and later will automatically +include Content-Length: support. This can be accomplished in your +site.config.m4 file with: + + APPENDDEF(`conf_mail_local_ENVDEF', `-DCONTENTLENGTH') + +Defining MAILGID to a 'gid' (-DMAILGID=6) will cause mailboxes to be +written group writable and with group 'gid'. This can be accomplished in +your site.config.m4 file with: + + APPENDDEF(`conf_mail_local_ENVDEF', `-DMAILGID=6') + +mail.local will not be installed set-user-ID root. To use it as local +delivery agent without LMTP mode, use: + + MODIFY_MAILER_FLAGS(`LOCAL', `+S') + +in the .mc file. + +Defining HASHSPOOL (-DHASHSPOOL) will build a mail.local which supports +delivering to subdirectories of the mail spool, based on a hash of the +username (i.e., a hash depth of 2 and a username of "user" will result in +/var/spool/mail/u/s/user). If the hash depth is greater than the length +of the username, "_" will be used. The necessary subdirectories must +exist; mail.local will not create them. Use the "-H" option to set the +hash type and depth (like "-H u2" for a username hash two levels deep). + +The HASHSPOOL option also adds two other options: "-p path" to specify +an alternate mail spool path (i.e., "-p /local/mail") and "-n" to specify +that mail.local should not strip the @domain part of recipient addresses +in LMTP mode. + +In addition to HASHSPOOL, defining HASHSPOOLMD5 and linking against +libcrypto from OpenSSL like: + + APPENDDEF(`conf_mail_local_ENVDEF', `-DHASHSPOOL -DHASHSPOOLMD5') + APPENDDEF(`conf_mail_local_LIBS', `-lcrypto') + +will offer an alternate hash, using a base64 encoding (changing / to _) +of an MD5 hash of the username. This results in a more balanced +subdirectory tree. The subdirectories will be named with A-Z, a-z, 0-9, ++, and _. The hash type is "m", so use "-H m3" to get a three level MD5 +based hash. + +$Revision: 8.11 $, Last updated $Date: 2003/10/20 20:19:13 $ diff --git a/contrib/sendmail-8.13.4/mail.local/mail.local.8 b/contrib/sendmail-8.13.4/mail.local/mail.local.8 new file mode 100644 index 0000000000..0181f1635d --- /dev/null +++ b/contrib/sendmail-8.13.4/mail.local/mail.local.8 @@ -0,0 +1,152 @@ +.\" Copyright (c) 1998-2001, 2003 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: mail.local.8,v 8.25 2003/10/20 20:26:51 ca Exp $ +.\" +.TH MAIL.LOCAL 8 "$Date: 2003/10/20 20:26:51 $" +.SH NAME +mail.local +\- store mail in a mailbox +.SH SYNOPSIS +.B mail.local +.RB [ \-7 "] [" \-b "] [" \-d "] [" \-D +.IR mbdb ] +.RB [ \-l "] [" \-f +\fIfrom\fR|\fB\-r\fR +.IR from ] +.RB [ \-h +\fIfilename\fR ] +.I "user ..." +.SH DESCRIPTION +.B Mail.local +reads the standard input up to an end-of-file and appends it to each +.I user's +.B mail +file. The +.I user +must be a valid user name. +.PP +The options are as follows: +.TP 1i +.B \-7 +Do not advertise 8BITMIME support in LMTP mode. +.TP +.B \-b +Return a permanent error instead of a temporary error +if a mailbox exceeds quota. +.TP +.B \-d +Specify this is a delivery (for backward compatibility). +This option has no effect. +.TP +.BI \-D " mbdb" +Specify the name of the mailbox database +which is used to look up local recipient names. +This option defaults to "pw", which means use getpwnam(). +.TP +.BI \-f " from" +Specify the sender's name. +.TP +.B \-l +Turn on LMTP mode. +.TP +.BI \-r " from" +Specify the sender's name (for backward compatibility). +Same as \-f. +.TP +.BI \-h " filename" +Store incoming mail in \fIfilename\fR in the user's home directory instead +of a system mail spool directory. +.PP +The next options are only available if +.B mail.local +has been compiled with -DHASHSPOOL. +.TP +.BI \-H " hashtypehashdepth" +Select hashed mail directories. +Valid hash types are +.B u +for user name and +.B m +for MD5 (requires compilation with -DHASHSPOOLMD5). +Example: +.BI \-H " u2" +selects user name hashing with a hash depth of 2. +Note: there must be no space between the hash type and the depth. +.TP +.BI \-p " path" +Specify an alternate mail spool path. +.TP +.BI \-n +Specify that the domain part of recipient addresses in LMTP mode +should not be stripped. +.PP +Individual mail messages in the mailbox are delimited by an empty +line followed by a line beginning with the string ``From ''. +A line containing the string ``From '', the sender's name and a time stamp +is prepended to each delivered mail message. +A blank line is appended to each message. +A greater-than character (``>'') is prepended to any line in the message +which could be mistaken for a ``From '' delimiter line +(that is, +a line beginning with the five characters +``From '' following a blank line). +.PP +The mail files are exclusively locked with +flock(2) +while mail is appended, +and a +.B user.lock +file also is created while the mailbox is locked +for compatibility with older MUAs. +.PP +If the ``biff'' service is returned by +getservbyname(3), +the biff server is notified of delivered mail. +.PP +The +.B mail.local +utility exits 0 on success, and >0 if an error occurs. +.SH ENVIRONMENT +.IP TZ +Used to set the appropriate time zone on the timestamp. +.SH FILES +.PD 0.2v +.TP 2.2i +/tmp/local.XXXXXX +temporary files +.TP +/var/mail/user +user's default mailbox directory +.TP +/var/mail/user.lock +lock file for a user's default mailbox +.PD +.SH SEE ALSO +mail(1), +xsend(1), +flock(2), +getservbyname(3), +comsat(8), +sendmail(8) +.SH WARNING +.B mail.local +escapes only "^From " lines that follow an empty line. +If all lines starting with "From " should be escaped, +use the 'E' flag for the local mailer in the +sendmail.cf file. +.SH HISTORY +A superset of +.B mail.local +(handling mailbox reading as well as mail delivery) +appeared in +Version 7 AT&T UNIX +as the program +.BR mail . diff --git a/contrib/sendmail-8.13.4/mail.local/mail.local.c b/contrib/sendmail-8.13.4/mail.local/mail.local.c new file mode 100644 index 0000000000..0da5e7d934 --- /dev/null +++ b/contrib/sendmail-8.13.4/mail.local/mail.local.c @@ -0,0 +1,1922 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1990, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: mail.local.c,v 8.253 2004/11/01 20:42:42 ca Exp $") + +#include +#include +#include +#include +# include +# ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +# endif /* EX_OK */ +# define LOCKFILE_PMODE 0 +#include +#include + +#ifndef HASHSPOOL +# define HASHSPOOL 0 +#endif /* ! HASHSPOOL */ +#ifndef HASHSPOOLMD5 +# define HASHSPOOLMD5 0 +#endif /* ! HASHSPOOLMD5 */ + +/* +** This is not intended to work on System V derived systems +** such as Solaris or HP-UX, since they use a totally different +** approach to mailboxes (essentially, they have a set-group-ID program +** rather than set-user-ID, and they rely on the ability to "give away" +** files to do their work). IT IS NOT A BUG that this doesn't +** work on such architectures. +*/ + + +#include +#include +#include +#include +#include +#include +#include +# include +# include +# include +# include +# include +# include + +#include +#include +#include + +#include +#include + +#if HASHSPOOL +# define HASH_NONE 0 +# define HASH_USER 1 +# if HASHSPOOLMD5 +# define HASH_MD5 2 +# include +# endif /* HASHSPOOLMD5 */ +#endif /* HASHSPOOL */ + + +#ifndef LOCKTO_RM +# define LOCKTO_RM 300 /* timeout for stale lockfile removal */ +#endif /* ! LOCKTO_RM */ +#ifndef LOCKTO_GLOB +# define LOCKTO_GLOB 400 /* global timeout for lockfile creation */ +#endif /* ! LOCKTO_GLOB */ + +/* define a realloc() which works for NULL pointers */ +#define REALLOC(ptr, size) (((ptr) == NULL) ? malloc(size) : realloc(ptr, size)) + +/* +** If you don't have flock, you could try using lockf instead. +*/ + +#ifdef LDA_USE_LOCKF +# define flock(a, b) lockf(a, b, 0) +# ifdef LOCK_EX +# undef LOCK_EX +# endif /* LOCK_EX */ +# define LOCK_EX F_LOCK +#endif /* LDA_USE_LOCKF */ + +#ifndef LOCK_EX +# include +#endif /* ! LOCK_EX */ + +/* +** If you don't have setreuid, and you have saved uids, and you have +** a seteuid() call that doesn't try to emulate using setuid(), then +** you can try defining LDA_USE_SETEUID. +*/ + +#ifdef LDA_USE_SETEUID +# define setreuid(r, e) seteuid(e) +#endif /* LDA_USE_SETEUID */ + +#ifdef LDA_CONTENTLENGTH +# define CONTENTLENGTH 1 +#endif /* LDA_CONTENTLENGTH */ + +#ifndef INADDRSZ +# define INADDRSZ 4 /* size of an IPv4 address in bytes */ +#endif /* ! INADDRSZ */ + +#ifdef MAILLOCK +# include +#endif /* MAILLOCK */ + +#ifndef MAILER_DAEMON +# define MAILER_DAEMON "MAILER-DAEMON" +#endif /* ! MAILER_DAEMON */ + +#ifdef CONTENTLENGTH +char ContentHdr[40] = "Content-Length: "; +off_t HeaderLength; +off_t BodyLength; +#endif /* CONTENTLENGTH */ + +bool EightBitMime = true; /* advertise 8BITMIME in LMTP */ +char ErrBuf[10240]; /* error buffer */ +int ExitVal = EX_OK; /* sysexits.h error value. */ +bool HoldErrs = false; /* Hold errors in ErrBuf */ +bool LMTPMode = false; +bool BounceQuota = false; /* permanent error when over quota */ +bool CloseMBDB = false; +char *HomeMailFile = NULL; /* store mail in homedir */ + +#if HASHSPOOL +int HashType = HASH_NONE; +int HashDepth = 0; +bool StripRcptDomain = true; +#else /* HASHSPOOL */ +# define StripRcptDomain true +#endif /* HASHSPOOL */ +char SpoolPath[MAXPATHLEN]; + +char *parseaddr __P((char *, bool)); +char *process_recipient __P((char *)); +void dolmtp __P((void)); +void deliver __P((int, char *)); +int e_to_sys __P((int)); +void notifybiff __P((char *)); +int store __P((char *, bool *)); +void usage __P((void)); +int lockmbox __P((char *)); +void unlockmbox __P((void)); +void mailerr __P((const char *, const char *, ...)); +void flush_error __P((void)); +#if HASHSPOOL +const char *hashname __P((char *)); +#endif /* HASHSPOOL */ + + +static void +sm_exit(status) + int status; +{ + if (CloseMBDB) + { + sm_mbdb_terminate(); + CloseMBDB = false; /* not really necessary, but ... */ + } + exit(status); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + struct passwd *pw; + int ch, fd; + uid_t uid; + char *from; + char *mbdbname = "pw"; + int err; + extern char *optarg; + extern int optind; + + + /* make sure we have some open file descriptors */ + for (fd = 10; fd < 30; fd++) + (void) close(fd); + + /* use a reasonable umask */ + (void) umask(0077); + +# ifdef LOG_MAIL + openlog("mail.local", 0, LOG_MAIL); +# else /* LOG_MAIL */ + openlog("mail.local", 0); +# endif /* LOG_MAIL */ + + from = NULL; + + /* XXX can this be converted to a compile time check? */ + if (sm_strlcpy(SpoolPath, _PATH_MAILDIR, sizeof(SpoolPath)) >= + sizeof(SpoolPath)) + { + mailerr("421", "Configuration error: _PATH_MAILDIR too large"); + sm_exit(EX_CONFIG); + } +#if HASHSPOOL + while ((ch = getopt(argc, argv, "7bdD:f:h:r:lH:p:n")) != -1) +#else /* HASHSPOOL */ + while ((ch = getopt(argc, argv, "7bdD:f:h:r:l")) != -1) +#endif /* HASHSPOOL */ + { + switch(ch) + { + case '7': /* Do not advertise 8BITMIME */ + EightBitMime = false; + break; + + case 'b': /* bounce mail when over quota. */ + BounceQuota = true; + break; + + case 'd': /* Backward compatible. */ + break; + + case 'D': /* mailbox database type */ + mbdbname = optarg; + break; + + case 'f': + case 'r': /* Backward compatible. */ + if (from != NULL) + { + mailerr(NULL, "Multiple -f options"); + usage(); + } + from = optarg; + break; + + case 'h': + if (optarg != NULL || *optarg != '\0') + HomeMailFile = optarg; + else + { + mailerr(NULL, "-h: missing filename"); + usage(); + } + break; + + case 'l': + LMTPMode = true; + break; + + +#if HASHSPOOL + case 'H': + if (optarg == NULL || *optarg == '\0') + { + mailerr(NULL, "-H: missing hashinfo"); + usage(); + } + switch(optarg[0]) + { + case 'u': + HashType = HASH_USER; + break; + +# if HASHSPOOLMD5 + case 'm': + HashType = HASH_MD5; + break; +# endif /* HASHSPOOLMD5 */ + + default: + mailerr(NULL, "-H: unknown hash type"); + usage(); + } + if (optarg[1] == '\0') + { + mailerr(NULL, "-H: invalid hash depth"); + usage(); + } + HashDepth = atoi(&optarg[1]); + if ((HashDepth <= 0) || ((HashDepth * 2) >= MAXPATHLEN)) + { + mailerr(NULL, "-H: invalid hash depth"); + usage(); + } + break; + + case 'p': + if (optarg == NULL || *optarg == '\0') + { + mailerr(NULL, "-p: missing spool path"); + usage(); + } + if (sm_strlcpy(SpoolPath, optarg, sizeof(SpoolPath)) >= + sizeof(SpoolPath)) + { + mailerr(NULL, "-p: invalid spool path"); + usage(); + } + break; + + case 'n': + StripRcptDomain = false; + break; +#endif /* HASHSPOOL */ + + case '?': + default: + usage(); + } + } + argc -= optind; + argv += optind; + + /* initialize biff structures */ + notifybiff(NULL); + + err = sm_mbdb_initialize(mbdbname); + if (err != EX_OK) + { + char *errcode = "521"; + + if (err == EX_TEMPFAIL) + errcode = "421"; + + mailerr(errcode, "Can not open mailbox database %s: %s", + mbdbname, sm_strexit(err)); + sm_exit(err); + } + CloseMBDB = true; + + if (LMTPMode) + { + if (argc > 0) + { + mailerr("421", "Users should not be specified in command line if LMTP required"); + sm_exit(EX_TEMPFAIL); + } + + dolmtp(); + /* NOTREACHED */ + sm_exit(EX_OK); + } + + /* Non-LMTP from here on out */ + if (*argv == '\0') + usage(); + + /* + ** If from not specified, use the name from getlogin() if the + ** uid matches, otherwise, use the name from the password file + ** corresponding to the uid. + */ + + uid = getuid(); + if (from == NULL && ((from = getlogin()) == NULL || + (pw = getpwnam(from)) == NULL || + pw->pw_uid != uid)) + from = (pw = getpwuid(uid)) != NULL ? pw->pw_name : "???"; + + /* + ** There is no way to distinguish the error status of one delivery + ** from the rest of the deliveries. So, if we failed hard on one + ** or more deliveries, but had no failures on any of the others, we + ** return a hard failure. If we failed temporarily on one or more + ** deliveries, we return a temporary failure regardless of the other + ** failures. This results in the delivery being reattempted later + ** at the expense of repeated failures and multiple deliveries. + */ + + HoldErrs = true; + fd = store(from, NULL); + HoldErrs = false; + if (fd < 0) + { + flush_error(); + sm_exit(ExitVal); + } + for (; *argv != NULL; ++argv) + deliver(fd, *argv); + sm_exit(ExitVal); + /* NOTREACHED */ + return ExitVal; +} + +char * +parseaddr(s, rcpt) + char *s; + bool rcpt; +{ + char *p; + int l; + + if (*s++ != '<') + return NULL; + + p = s; + + /* at-domain-list */ + while (*p == '@') + { + p++; + while (*p != ',' && *p != ':' && *p != '\0') + p++; + if (*p == '\0') + return NULL; + + /* Skip over , or : */ + p++; + } + + s = p; + + /* local-part */ + while (*p != '\0' && *p != '@' && *p != '>') + { + if (*p == '\\') + { + if (*++p == '\0') + return NULL; + } + else if (*p == '\"') + { + p++; + while (*p != '\0' && *p != '\"') + { + if (*p == '\\') + { + if (*++p == '\0') + return NULL; + } + p++; + } + if (*p == '\0' || *(p + 1) == '\0') + return NULL; + } + /* +detail ? */ + if (*p == '+' && rcpt) + *p = '\0'; + p++; + } + + /* @domain */ + if (*p == '@') + { + if (rcpt) + *p++ = '\0'; + while (*p != '\0' && *p != '>') + p++; + } + + if (*p != '>') + return NULL; + else + *p = '\0'; + p++; + + if (*p != '\0' && *p != ' ') + return NULL; + + if (*s == '\0') + s = MAILER_DAEMON; + + l = strlen(s) + 1; + if (l < 0) + return NULL; + p = malloc(l); + if (p == NULL) + { + mailerr("421 4.3.0", "Memory exhausted"); + sm_exit(EX_TEMPFAIL); + } + + (void) sm_strlcpy(p, s, l); + return p; +} + +char * +process_recipient(addr) + char *addr; +{ + SM_MBDB_T user; + + switch (sm_mbdb_lookup(addr, &user)) + { + case EX_OK: + return NULL; + + case EX_NOUSER: + return "550 5.1.1 User unknown"; + + case EX_TEMPFAIL: + return "451 4.3.0 User database failure; retry later"; + + default: + return "550 5.3.0 User database failure"; + } +} + +#define RCPT_GROW 30 + +void +dolmtp() +{ + char *return_path = NULL; + char **rcpt_addr = NULL; + int rcpt_num = 0; + int rcpt_alloc = 0; + bool gotlhlo = false; + char *err; + int msgfd; + char *p; + int i; + char myhostname[1024]; + char buf[4096]; + + memset(myhostname, '\0', sizeof myhostname); + (void) gethostname(myhostname, sizeof myhostname - 1); + if (myhostname[0] == '\0') + sm_strlcpy(myhostname, "localhost", sizeof myhostname); + + printf("220 %s LMTP ready\r\n", myhostname); + for (;;) + { + (void) fflush(stdout); + if (fgets(buf, sizeof(buf) - 1, stdin) == NULL) + sm_exit(EX_OK); + p = buf + strlen(buf) - 1; + if (p >= buf && *p == '\n') + *p-- = '\0'; + if (p >= buf && *p == '\r') + *p-- = '\0'; + + switch (buf[0]) + { + case 'd': + case 'D': + if (sm_strcasecmp(buf, "data") == 0) + { + bool inbody = false; + + if (rcpt_num == 0) + { + mailerr("503 5.5.1", "No recipients"); + continue; + } + HoldErrs = true; + msgfd = store(return_path, &inbody); + HoldErrs = false; + if (msgfd < 0 && !inbody) + { + flush_error(); + continue; + } + + for (i = 0; i < rcpt_num; i++) + { + if (msgfd < 0) + { + /* print error for rcpt */ + flush_error(); + continue; + } + p = strchr(rcpt_addr[i], '+'); + if (p != NULL) + *p = '\0'; + deliver(msgfd, rcpt_addr[i]); + } + if (msgfd >= 0) + (void) close(msgfd); + goto rset; + } + goto syntaxerr; + /* NOTREACHED */ + break; + + case 'l': + case 'L': + if (sm_strncasecmp(buf, "lhlo ", 5) == 0) + { + /* check for duplicate per RFC 1651 4.2 */ + if (gotlhlo) + { + mailerr("503", "%s Duplicate LHLO", + myhostname); + continue; + } + gotlhlo = true; + printf("250-%s\r\n", myhostname); + if (EightBitMime) + printf("250-8BITMIME\r\n"); + printf("250-ENHANCEDSTATUSCODES\r\n"); + printf("250 PIPELINING\r\n"); + continue; + } + goto syntaxerr; + /* NOTREACHED */ + break; + + case 'm': + case 'M': + if (sm_strncasecmp(buf, "mail ", 5) == 0) + { + if (return_path != NULL) + { + mailerr("503 5.5.1", + "Nested MAIL command"); + continue; + } + if (sm_strncasecmp(buf + 5, "from:", 5) != 0 || + ((return_path = parseaddr(buf + 10, + false)) == NULL)) + { + mailerr("501 5.5.4", + "Syntax error in parameters"); + continue; + } + printf("250 2.5.0 Ok\r\n"); + continue; + } + goto syntaxerr; + /* NOTREACHED */ + break; + + case 'n': + case 'N': + if (sm_strcasecmp(buf, "noop") == 0) + { + printf("250 2.0.0 Ok\r\n"); + continue; + } + goto syntaxerr; + /* NOTREACHED */ + break; + + case 'q': + case 'Q': + if (sm_strcasecmp(buf, "quit") == 0) + { + printf("221 2.0.0 Bye\r\n"); + sm_exit(EX_OK); + } + goto syntaxerr; + /* NOTREACHED */ + break; + + case 'r': + case 'R': + if (sm_strncasecmp(buf, "rcpt ", 5) == 0) + { + if (return_path == NULL) + { + mailerr("503 5.5.1", + "Need MAIL command"); + continue; + } + if (rcpt_num >= rcpt_alloc) + { + rcpt_alloc += RCPT_GROW; + rcpt_addr = (char **) + REALLOC((char *) rcpt_addr, + rcpt_alloc * + sizeof(char **)); + if (rcpt_addr == NULL) + { + mailerr("421 4.3.0", + "Memory exhausted"); + sm_exit(EX_TEMPFAIL); + } + } + if (sm_strncasecmp(buf + 5, "to:", 3) != 0 || + ((rcpt_addr[rcpt_num] = parseaddr(buf + 8, + StripRcptDomain)) == NULL)) + { + mailerr("501 5.5.4", + "Syntax error in parameters"); + continue; + } + err = process_recipient(rcpt_addr[rcpt_num]); + if (err != NULL) + { + mailerr(NULL, "%s", err); + continue; + } + rcpt_num++; + printf("250 2.1.5 Ok\r\n"); + continue; + } + else if (sm_strcasecmp(buf, "rset") == 0) + { + printf("250 2.0.0 Ok\r\n"); + +rset: + while (rcpt_num > 0) + free(rcpt_addr[--rcpt_num]); + if (return_path != NULL) + free(return_path); + return_path = NULL; + continue; + } + goto syntaxerr; + /* NOTREACHED */ + break; + + case 'v': + case 'V': + if (sm_strncasecmp(buf, "vrfy ", 5) == 0) + { + printf("252 2.3.3 Try RCPT to attempt delivery\r\n"); + continue; + } + goto syntaxerr; + /* NOTREACHED */ + break; + + default: + syntaxerr: + mailerr("500 5.5.2", "Syntax error"); + continue; + /* NOTREACHED */ + break; + } + } +} + +int +store(from, inbody) + char *from; + bool *inbody; +{ + FILE *fp = NULL; + time_t tval; + bool eline; /* previous line was empty */ + bool fullline = true; /* current line is terminated */ + bool prevfl; /* previous line was terminated */ + char line[2048]; + int fd; + char tmpbuf[sizeof _PATH_LOCTMP + 1]; + + if (inbody != NULL) + *inbody = false; + + (void) umask(0077); + (void) sm_strlcpy(tmpbuf, _PATH_LOCTMP, sizeof tmpbuf); + if ((fd = mkstemp(tmpbuf)) < 0 || (fp = fdopen(fd, "w+")) == NULL) + { + if (fd >= 0) + (void) close(fd); + mailerr("451 4.3.0", "Unable to open temporary file"); + return -1; + } + (void) unlink(tmpbuf); + + if (LMTPMode) + { + printf("354 Go ahead\r\n"); + (void) fflush(stdout); + } + if (inbody != NULL) + *inbody = true; + + (void) time(&tval); + (void) fprintf(fp, "From %s %s", from, ctime(&tval)); + +#ifdef CONTENTLENGTH + HeaderLength = 0; + BodyLength = -1; +#endif /* CONTENTLENGTH */ + + line[0] = '\0'; + eline = true; + while (fgets(line, sizeof(line), stdin) != (char *) NULL) + { + size_t line_len = 0; + int peek; + + prevfl = fullline; /* preserve state of previous line */ + while (line[line_len] != '\n' && line_len < sizeof(line) - 2) + line_len++; + line_len++; + + /* Check for dot-stuffing */ + if (prevfl && LMTPMode && line[0] == '.') + { + if (line[1] == '\n' || + (line[1] == '\r' && line[2] == '\n')) + goto lmtpdot; + memcpy(line, line + 1, line_len); + line_len--; + } + + /* Check to see if we have the full line from fgets() */ + fullline = false; + if (line_len > 0) + { + if (line[line_len - 1] == '\n') + { + if (line_len >= 2 && + line[line_len - 2] == '\r') + { + line[line_len - 2] = '\n'; + line[line_len - 1] = '\0'; + line_len--; + } + fullline = true; + } + else if (line[line_len - 1] == '\r') + { + /* Did we just miss the CRLF? */ + peek = fgetc(stdin); + if (peek == '\n') + { + line[line_len - 1] = '\n'; + fullline = true; + } + else + (void) ungetc(peek, stdin); + } + } + else + fullline = true; + +#ifdef CONTENTLENGTH + if (prevfl && line[0] == '\n' && HeaderLength == 0) + { + eline = false; + if (fp != NULL) + HeaderLength = ftell(fp); + if (HeaderLength <= 0) + { + /* + ** shouldn't happen, unless ftell() is + ** badly broken + */ + + HeaderLength = -1; + } + } +#else /* CONTENTLENGTH */ + if (prevfl && line[0] == '\n') + eline = true; +#endif /* CONTENTLENGTH */ + else + { + if (eline && line[0] == 'F' && + fp != NULL && + !memcmp(line, "From ", 5)) + (void) putc('>', fp); + eline = false; +#ifdef CONTENTLENGTH + /* discard existing "Content-Length:" headers */ + if (prevfl && HeaderLength == 0 && + (line[0] == 'C' || line[0] == 'c') && + sm_strncasecmp(line, ContentHdr, 15) == 0) + { + /* + ** be paranoid: clear the line + ** so no "wrong matches" may occur later + */ + line[0] = '\0'; + continue; + } +#endif /* CONTENTLENGTH */ + + } + if (fp != NULL) + { + (void) fwrite(line, sizeof(char), line_len, fp); + if (ferror(fp)) + { + mailerr("451 4.3.0", + "Temporary file write error"); + (void) fclose(fp); + fp = NULL; + continue; + } + } + } + + /* check if an error occurred */ + if (fp == NULL) + return -1; + + if (LMTPMode) + { + /* Got a premature EOF -- toss message and exit */ + sm_exit(EX_OK); + } + + /* If message not newline terminated, need an extra. */ + if (fp != NULL && strchr(line, '\n') == NULL) + (void) putc('\n', fp); + + lmtpdot: + +#ifdef CONTENTLENGTH + if (fp != NULL) + BodyLength = ftell(fp); + if (HeaderLength == 0 && BodyLength > 0) /* empty body */ + { + HeaderLength = BodyLength; + BodyLength = 0; + } + else + BodyLength = BodyLength - HeaderLength - 1 ; + + if (HeaderLength > 0 && BodyLength >= 0) + { + (void) sm_snprintf(line, sizeof line, "%lld\n", + (LONGLONG_T) BodyLength); + (void) sm_strlcpy(&ContentHdr[16], line, + sizeof(ContentHdr) - 16); + } + else + BodyLength = -1; /* Something is wrong here */ +#endif /* CONTENTLENGTH */ + + /* Output a newline; note, empty messages are allowed. */ + if (fp != NULL) + (void) putc('\n', fp); + + if (fp == NULL || fflush(fp) == EOF || ferror(fp) != 0) + { + mailerr("451 4.3.0", "Temporary file write error"); + if (fp != NULL) + (void) fclose(fp); + return -1; + } + return fd; +} + +void +deliver(fd, name) + int fd; + char *name; +{ + struct stat fsb; + struct stat sb; + char path[MAXPATHLEN]; + int mbfd = -1, nr = 0, nw, off; + int exitval; + char *p; + char *errcode; + off_t curoff, cursize; +#ifdef CONTENTLENGTH + off_t headerbytes; + int readamount; +#endif /* CONTENTLENGTH */ + char biffmsg[100], buf[8 * 1024]; + SM_MBDB_T user; + + /* + ** Disallow delivery to unknown names -- special mailboxes can be + ** handled in the sendmail aliases file. + */ + + exitval = sm_mbdb_lookup(name, &user); + switch (exitval) + { + case EX_OK: + break; + + case EX_NOUSER: + exitval = EX_UNAVAILABLE; + mailerr("550 5.1.1", "%s: User unknown", name); + break; + + case EX_TEMPFAIL: + mailerr("451 4.3.0", "%s: User database failure; retry later", + name); + break; + + default: + exitval = EX_UNAVAILABLE; + mailerr("550 5.3.0", "%s: User database failure", name); + break; + } + + if (exitval != EX_OK) + { + if (ExitVal != EX_TEMPFAIL) + ExitVal = exitval; + return; + } + + endpwent(); + + /* + ** Keep name reasonably short to avoid buffer overruns. + ** This isn't necessary on BSD because of the proper + ** definition of snprintf(), but it can cause problems + ** on other systems. + ** Also, clear out any bogus characters. + */ + +#if !HASHSPOOL + if (strlen(name) > 40) + name[40] = '\0'; + for (p = name; *p != '\0'; p++) + { + if (!isascii(*p)) + *p &= 0x7f; + else if (!isprint(*p)) + *p = '.'; + } +#endif /* !HASHSPOOL */ + + + if (HomeMailFile == NULL) + { + if (sm_strlcpyn(path, sizeof(path), +#if HASHSPOOL + 4, +#else /* HASHSPOOL */ + 3, +#endif /* HASHSPOOL */ + SpoolPath, "/", +#if HASHSPOOL + hashname(name), +#endif /* HASHSPOOL */ + name) >= sizeof(path)) + { + exitval = EX_UNAVAILABLE; + mailerr("550 5.1.1", "%s: Invalid mailbox path", name); + return; + } + } + else if (*user.mbdb_homedir == '\0') + { + exitval = EX_UNAVAILABLE; + mailerr("550 5.1.1", "%s: User missing home directory", name); + return; + } + else if (sm_snprintf(path, sizeof(path), "%s/%s", + user.mbdb_homedir, HomeMailFile) >= sizeof(path)) + { + exitval = EX_UNAVAILABLE; + mailerr("550 5.1.1", "%s: Invalid mailbox path", name); + return; + } + + + /* + ** If the mailbox is linked or a symlink, fail. There's an obvious + ** race here, that the file was replaced with a symbolic link after + ** the lstat returned, but before the open. We attempt to detect + ** this by comparing the original stat information and information + ** returned by an fstat of the file descriptor returned by the open. + ** + ** NB: this is a symptom of a larger problem, that the mail spooling + ** directory is writeable by the wrong users. If that directory is + ** writeable, system security is compromised for other reasons, and + ** it cannot be fixed here. + ** + ** If we created the mailbox, set the owner/group. If that fails, + ** just return. Another process may have already opened it, so we + ** can't unlink it. Historically, binmail set the owner/group at + ** each mail delivery. We no longer do this, assuming that if the + ** ownership or permissions were changed there was a reason. + ** + ** XXX + ** open(2) should support flock'ing the file. + */ + +tryagain: +#ifdef MAILLOCK + p = name; +#else /* MAILLOCK */ + p = path; +#endif /* MAILLOCK */ + if ((off = lockmbox(p)) != 0) + { + if (off == EX_TEMPFAIL || e_to_sys(off) == EX_TEMPFAIL) + { + ExitVal = EX_TEMPFAIL; + errcode = "451 4.3.0"; + } + else + errcode = "551 5.3.0"; + + mailerr(errcode, "lockmailbox %s failed; error code %d %s", + p, off, errno > 0 ? sm_errstring(errno) : ""); + return; + } + + if (lstat(path, &sb) < 0) + { + int save_errno; + int mode = S_IRUSR|S_IWUSR; + gid_t gid = user.mbdb_gid; + +#ifdef MAILGID + (void) umask(0007); + gid = MAILGID; + mode |= S_IRGRP|S_IWGRP; +#endif /* MAILGID */ + + mbfd = open(path, O_APPEND|O_CREAT|O_EXCL|O_WRONLY, + mode); + save_errno = errno; + + if (lstat(path, &sb) < 0) + { + ExitVal = EX_CANTCREAT; + mailerr("550 5.2.0", + "%s: lstat: file changed after open", path); + goto err1; + } + if (mbfd < 0) + { + if (save_errno == EEXIST) + goto tryagain; + + /* open failed, don't try again */ + mailerr("450 4.2.0", "%s: %s", path, + sm_errstring(save_errno)); + goto err0; + } + else if (fchown(mbfd, user.mbdb_uid, gid) < 0) + { + mailerr("451 4.3.0", "chown %u.%u: %s", + user.mbdb_uid, gid, name); + goto err1; + } + else + { + /* + ** open() was successful, now close it so can + ** be opened as the right owner again. + ** Paranoia: reset mbdf since the file descriptor + ** is no longer valid; better safe than sorry. + */ + + sb.st_uid = user.mbdb_uid; + (void) close(mbfd); + mbfd = -1; + } + } + else if (sb.st_nlink != 1) + { + mailerr("550 5.2.0", "%s: too many links", path); + goto err0; + } + else if (!S_ISREG(sb.st_mode)) + { + mailerr("550 5.2.0", "%s: irregular file", path); + goto err0; + } + else if (sb.st_uid != user.mbdb_uid) + { + ExitVal = EX_CANTCREAT; + mailerr("550 5.2.0", "%s: wrong ownership (%d)", + path, (int) sb.st_uid); + goto err0; + } + + /* change UID for quota checks */ + if (setreuid(0, user.mbdb_uid) < 0) + { + mailerr("450 4.2.0", "setreuid(0, %d): %s (r=%d, e=%d)", + (int) user.mbdb_uid, sm_errstring(errno), + (int) getuid(), (int) geteuid()); + goto err1; + } +#ifdef DEBUG + fprintf(stderr, "new euid = %d\n", (int) geteuid()); +#endif /* DEBUG */ + mbfd = open(path, O_APPEND|O_WRONLY, 0); + if (mbfd < 0) + { + mailerr("450 4.2.0", "%s: %s", path, sm_errstring(errno)); + goto err0; + } + else if (fstat(mbfd, &fsb) < 0 || + fsb.st_nlink != 1 || + sb.st_nlink != 1 || + !S_ISREG(fsb.st_mode) || + sb.st_dev != fsb.st_dev || + sb.st_ino != fsb.st_ino || +# if HAS_ST_GEN && 0 /* AFS returns random values for st_gen */ + sb.st_gen != fsb.st_gen || +# endif /* HAS_ST_GEN && 0 */ + sb.st_uid != fsb.st_uid) + { + ExitVal = EX_TEMPFAIL; + mailerr("550 5.2.0", "%s: fstat: file changed after open", + path); + goto err1; + } + +#if 0 + /* + ** This code could be reused if we decide to add a + ** per-user quota field to the sm_mbdb interface. + */ + + /* + ** Fail if the user has a quota specified, and delivery of this + ** message would exceed that quota. We bounce such failures using + ** EX_UNAVAILABLE, unless there were internal problems, since + ** storing immense messages for later retries can cause queueing + ** issues. + */ + + if (ui.quota > 0) + { + struct stat dsb; + + if (fstat(fd, &dsb) < 0) + { + ExitVal = EX_TEMPFAIL; + mailerr("451 4.3.0", + "%s: fstat: can't stat temporary storage: %s", + ui.mailspool, sm_errstring(errno)); + goto err1; + } + + if (dsb.st_size + sb.st_size + 1 > ui.quota) + { + ExitVal = EX_UNAVAILABLE; + mailerr("551 5.2.2", + "%s: Mailbox full or quota exceeded", + ui.mailspool); + goto err1; + } + } +#endif /* 0 */ + + /* Wait until we can get a lock on the file. */ + if (flock(mbfd, LOCK_EX) < 0) + { + mailerr("450 4.2.0", "%s: %s", path, sm_errstring(errno)); + goto err1; + } + + /* Get the starting offset of the new message */ + curoff = lseek(mbfd, (off_t) 0, SEEK_END); + (void) sm_snprintf(biffmsg, sizeof(biffmsg), "%s@%lld\n", + name, (LONGLONG_T) curoff); + + /* Copy the message into the file. */ + if (lseek(fd, (off_t) 0, SEEK_SET) == (off_t) -1) + { + mailerr("450 4.2.0", "Temporary file: %s", + sm_errstring(errno)); + goto err1; + } +#ifdef DEBUG + fprintf(stderr, "before writing: euid = %d\n", (int) geteuid()); +#endif /* DEBUG */ +#ifdef CONTENTLENGTH + headerbytes = (BodyLength >= 0) ? HeaderLength : -1 ; + for (;;) + { + if (headerbytes == 0) + { + (void) sm_snprintf(buf, sizeof buf, "%s", ContentHdr); + nr = strlen(buf); + headerbytes = -1; + readamount = 0; + } + else if (headerbytes > sizeof(buf) || headerbytes < 0) + readamount = sizeof(buf); + else + readamount = headerbytes; + if (readamount != 0) + nr = read(fd, buf, readamount); + if (nr <= 0) + break; + if (headerbytes > 0) + headerbytes -= nr ; + +#else /* CONTENTLENGTH */ + while ((nr = read(fd, buf, sizeof(buf))) > 0) + { +#endif /* CONTENTLENGTH */ + for (off = 0; off < nr; off += nw) + { + if ((nw = write(mbfd, buf + off, nr - off)) < 0) + { + errcode = "450 4.2.0"; +#ifdef EDQUOT + if (errno == EDQUOT && BounceQuota) + errcode = "552 5.2.2"; +#endif /* EDQUOT */ + mailerr(errcode, "%s: %s", + path, sm_errstring(errno)); + goto err3; + } + } + } + if (nr < 0) + { + mailerr("450 4.2.0", "Temporary file: %s", + sm_errstring(errno)); + goto err3; + } + + /* Flush to disk, don't wait for update. */ + if (fsync(mbfd) < 0) + { + mailerr("450 4.2.0", "%s: %s", path, sm_errstring(errno)); +err3: +#ifdef DEBUG + fprintf(stderr, "reset euid = %d\n", (int) geteuid()); +#endif /* DEBUG */ + if (mbfd >= 0) + (void) ftruncate(mbfd, curoff); +err1: if (mbfd >= 0) + (void) close(mbfd); +err0: (void) setreuid(0, 0); + unlockmbox(); + return; + } + + /* + ** Save the current size so if the close() fails below + ** we can make sure no other process has changed the mailbox + ** between the failed close and the re-open()/re-lock(). + ** If something else has changed the size, we shouldn't + ** try to truncate it as we may do more harm then good + ** (e.g., truncate a later message delivery). + */ + + if (fstat(mbfd, &sb) < 0) + cursize = 0; + else + cursize = sb.st_size; + + + /* Close and check -- NFS doesn't write until the close. */ + if (close(mbfd)) + { + errcode = "450 4.2.0"; +#ifdef EDQUOT + if (errno == EDQUOT && BounceQuota) + errcode = "552 5.2.2"; +#endif /* EDQUOT */ + mailerr(errcode, "%s: %s", path, sm_errstring(errno)); + mbfd = open(path, O_WRONLY, 0); + if (mbfd < 0 || + cursize == 0 + || flock(mbfd, LOCK_EX) < 0 || + fstat(mbfd, &sb) < 0 || + sb.st_size != cursize || + sb.st_nlink != 1 || + !S_ISREG(sb.st_mode) || + sb.st_dev != fsb.st_dev || + sb.st_ino != fsb.st_ino || +# if HAS_ST_GEN && 0 /* AFS returns random values for st_gen */ + sb.st_gen != fsb.st_gen || +# endif /* HAS_ST_GEN && 0 */ + sb.st_uid != fsb.st_uid + ) + { + /* Don't use a bogus file */ + if (mbfd >= 0) + { + (void) close(mbfd); + mbfd = -1; + } + } + + /* Attempt to truncate back to pre-write size */ + goto err3; + } + else + notifybiff(biffmsg); + + if (setreuid(0, 0) < 0) + { + mailerr("450 4.2.0", "setreuid(0, 0): %s", + sm_errstring(errno)); + goto err0; + } +#ifdef DEBUG + fprintf(stderr, "reset euid = %d\n", (int) geteuid()); +#endif /* DEBUG */ + unlockmbox(); + if (LMTPMode) + printf("250 2.1.5 %s Ok\r\n", name); +} + +/* +** user.lock files are necessary for compatibility with other +** systems, e.g., when the mail spool file is NFS exported. +** Alas, mailbox locking is more than just a local matter. +** EPA 11/94. +*/ + +bool Locked = false; + +#ifdef MAILLOCK +int +lockmbox(name) + char *name; +{ + int r = 0; + + if (Locked) + return 0; + if ((r = maillock(name, 15)) == L_SUCCESS) + { + Locked = true; + return 0; + } + switch (r) + { + case L_TMPLOCK: /* Can't create tmp file */ + case L_TMPWRITE: /* Can't write pid into lockfile */ + case L_MAXTRYS: /* Failed after retrycnt attempts */ + errno = 0; + r = EX_TEMPFAIL; + break; + case L_ERROR: /* Check errno for reason */ + r = errno; + break; + default: /* other permanent errors */ + errno = 0; + r = EX_UNAVAILABLE; + break; + } + return r; +} + +void +unlockmbox() +{ + if (Locked) + mailunlock(); + Locked = false; +} +#else /* MAILLOCK */ + +char LockName[MAXPATHLEN]; + +int +lockmbox(path) + char *path; +{ + int statfailed = 0; + time_t start; + + if (Locked) + return 0; + if (strlen(path) + 6 > sizeof LockName) + return EX_SOFTWARE; + (void) sm_snprintf(LockName, sizeof LockName, "%s.lock", path); + (void) time(&start); + for (; ; sleep(5)) + { + int fd; + struct stat st; + time_t now; + + /* global timeout */ + (void) time(&now); + if (now > start + LOCKTO_GLOB) + { + errno = 0; + return EX_TEMPFAIL; + } + fd = open(LockName, O_WRONLY|O_EXCL|O_CREAT, LOCKFILE_PMODE); + if (fd >= 0) + { + /* defeat lock checking programs which test pid */ + (void) write(fd, "0", 2); + Locked = true; + (void) close(fd); + return 0; + } + if (stat(LockName, &st) < 0) + { + if (statfailed++ > 5) + { + errno = 0; + return EX_TEMPFAIL; + } + continue; + } + statfailed = 0; + (void) time(&now); + if (now < st.st_ctime + LOCKTO_RM) + continue; + + /* try to remove stale lockfile */ + if (unlink(LockName) < 0) + return errno; + } +} + +void +unlockmbox() +{ + if (!Locked) + return; + (void) unlink(LockName); + Locked = false; +} +#endif /* MAILLOCK */ + +void +notifybiff(msg) + char *msg; +{ + static bool initialized = false; + static int f = -1; + struct hostent *hp; + struct servent *sp; + int len; + static struct sockaddr_in addr; + + if (!initialized) + { + initialized = true; + + /* Be silent if biff service not available. */ + if ((sp = getservbyname("biff", "udp")) == NULL || + (hp = gethostbyname("localhost")) == NULL || + hp->h_length != INADDRSZ) + return; + + addr.sin_family = hp->h_addrtype; + memcpy(&addr.sin_addr, hp->h_addr, INADDRSZ); + addr.sin_port = sp->s_port; + } + + /* No message, just return */ + if (msg == NULL) + return; + + /* Couldn't initialize addr struct */ + if (addr.sin_family == AF_UNSPEC) + return; + + if (f < 0 && (f = socket(AF_INET, SOCK_DGRAM, 0)) < 0) + return; + len = strlen(msg) + 1; + (void) sendto(f, msg, len, 0, (struct sockaddr *) &addr, sizeof(addr)); +} + +void +usage() +{ + ExitVal = EX_USAGE; + mailerr(NULL, "usage: mail.local [-7] [-b] [-d] [-l] [-f from|-r from] [-h filename] user ..."); + sm_exit(ExitVal); +} + +void +/*VARARGS2*/ +#ifdef __STDC__ +mailerr(const char *hdr, const char *fmt, ...) +#else /* __STDC__ */ +mailerr(hdr, fmt, va_alist) + const char *hdr; + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + size_t len = 0; + SM_VA_LOCAL_DECL + + (void) e_to_sys(errno); + + SM_VA_START(ap, fmt); + + if (LMTPMode && hdr != NULL) + { + sm_snprintf(ErrBuf, sizeof ErrBuf, "%s ", hdr); + len = strlen(ErrBuf); + } + (void) sm_vsnprintf(&ErrBuf[len], sizeof ErrBuf - len, fmt, ap); + SM_VA_END(ap); + + if (!HoldErrs) + flush_error(); + + /* Log the message to syslog. */ + if (!LMTPMode) + syslog(LOG_ERR, "%s", ErrBuf); +} + +void +flush_error() +{ + if (LMTPMode) + printf("%s\r\n", ErrBuf); + else + { + if (ExitVal != EX_USAGE) + (void) fprintf(stderr, "mail.local: "); + fprintf(stderr, "%s\n", ErrBuf); + } +} + +#if HASHSPOOL +const char * +hashname(name) + char *name; +{ + static char p[MAXPATHLEN]; + int i; + int len; + char *str; +# if HASHSPOOLMD5 + char Base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_"; + MD5_CTX ctx; + unsigned char md5[18]; +# if MAXPATHLEN <= 24 + ERROR _MAXPATHLEN <= 24 +# endif /* MAXPATHLEN <= 24 */ + char b64[24]; + MD5_LONG bits; + int j; +# endif /* HASHSPOOLMD5 */ + + if (HashType == HASH_NONE || HashDepth * 2 >= MAXPATHLEN) + { + p[0] = '\0'; + return p; + } + + switch(HashType) + { + case HASH_USER: + str = name; + break; + +# if HASHSPOOLMD5 + case HASH_MD5: + MD5_Init(&ctx); + MD5_Update(&ctx, name, strlen(name)); + MD5_Final(md5, &ctx); + md5[16] = 0; + md5[17] = 0; + + for (i = 0; i < 6; i++) + { + bits = (unsigned) md5[(3 * i)] << 16; + bits |= (unsigned) md5[(3 * i) + 1] << 8; + bits |= (unsigned) md5[(3 * i) + 2]; + + for (j = 3; j >= 0; j--) + { + b64[(4 * i) + j] = Base64[(bits & 0x3f)]; + bits >>= 6; + } + } + b64[22] = '\0'; + str = b64; + break; +# endif /* HASHSPOOLMD5 */ + } + + len = strlen(str); + for (i = 0; i < HashDepth; i++) + { + if (i < len) + p[i * 2] = str[i]; + else + p[i * 2] = '_'; + p[(i * 2) + 1] = '/'; + } + p[HashDepth * 2] = '\0'; + return p; +} +#endif /* HASHSPOOL */ + +/* + * e_to_sys -- + * Guess which errno's are temporary. Gag me. + */ + +int +e_to_sys(num) + int num; +{ + /* Temporary failures override hard errors. */ + if (ExitVal == EX_TEMPFAIL) + return ExitVal; + + switch (num) /* Hopefully temporary errors. */ + { +#ifdef EDQUOT + case EDQUOT: /* Disc quota exceeded */ + if (BounceQuota) + { + ExitVal = EX_UNAVAILABLE; + break; + } + /* FALLTHROUGH */ +#endif /* EDQUOT */ +#ifdef EAGAIN + case EAGAIN: /* Resource temporarily unavailable */ +#endif /* EAGAIN */ +#ifdef EBUSY + case EBUSY: /* Device busy */ +#endif /* EBUSY */ +#ifdef EPROCLIM + case EPROCLIM: /* Too many processes */ +#endif /* EPROCLIM */ +#ifdef EUSERS + case EUSERS: /* Too many users */ +#endif /* EUSERS */ +#ifdef ECONNABORTED + case ECONNABORTED: /* Software caused connection abort */ +#endif /* ECONNABORTED */ +#ifdef ECONNREFUSED + case ECONNREFUSED: /* Connection refused */ +#endif /* ECONNREFUSED */ +#ifdef ECONNRESET + case ECONNRESET: /* Connection reset by peer */ +#endif /* ECONNRESET */ +#ifdef EDEADLK + case EDEADLK: /* Resource deadlock avoided */ +#endif /* EDEADLK */ +#ifdef EFBIG + case EFBIG: /* File too large */ +#endif /* EFBIG */ +#ifdef EHOSTDOWN + case EHOSTDOWN: /* Host is down */ +#endif /* EHOSTDOWN */ +#ifdef EHOSTUNREACH + case EHOSTUNREACH: /* No route to host */ +#endif /* EHOSTUNREACH */ +#ifdef EMFILE + case EMFILE: /* Too many open files */ +#endif /* EMFILE */ +#ifdef ENETDOWN + case ENETDOWN: /* Network is down */ +#endif /* ENETDOWN */ +#ifdef ENETRESET + case ENETRESET: /* Network dropped connection on reset */ +#endif /* ENETRESET */ +#ifdef ENETUNREACH + case ENETUNREACH: /* Network is unreachable */ +#endif /* ENETUNREACH */ +#ifdef ENFILE + case ENFILE: /* Too many open files in system */ +#endif /* ENFILE */ +#ifdef ENOBUFS + case ENOBUFS: /* No buffer space available */ +#endif /* ENOBUFS */ +#ifdef ENOMEM + case ENOMEM: /* Cannot allocate memory */ +#endif /* ENOMEM */ +#ifdef ENOSPC + case ENOSPC: /* No space left on device */ +#endif /* ENOSPC */ +#ifdef EROFS + case EROFS: /* Read-only file system */ +#endif /* EROFS */ +#ifdef ESTALE + case ESTALE: /* Stale NFS file handle */ +#endif /* ESTALE */ +#ifdef ETIMEDOUT + case ETIMEDOUT: /* Connection timed out */ +#endif /* ETIMEDOUT */ +#if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN && EWOULDBLOCK != EDEADLK + case EWOULDBLOCK: /* Operation would block. */ +#endif /* defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN && EWOULDBLOCK != EDEADLK */ + ExitVal = EX_TEMPFAIL; + break; + + default: + ExitVal = EX_UNAVAILABLE; + break; + } + return ExitVal; +} + +#if defined(ultrix) || defined(_CRAY) +/* + * Copyright (c) 1987, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +# if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)mktemp.c 8.1 (Berkeley) 6/4/93"; +# endif /* defined(LIBC_SCCS) && !defined(lint) */ + +# include +# include +# include +# include +# include +# include + +static int _gettemp(); + +mkstemp(path) + char *path; +{ + int fd; + + return (_gettemp(path, &fd) ? fd : -1); +} + +static +_gettemp(path, doopen) + char *path; + register int *doopen; +{ + extern int errno; + register char *start, *trv; + struct stat sbuf; + unsigned int pid; + + pid = getpid(); + for (trv = path; *trv; ++trv); /* extra X's get set to 0's */ + while (*--trv == 'X') + { + *trv = (pid % 10) + '0'; + pid /= 10; + } + + /* + * check the target directory; if you have six X's and it + * doesn't exist this runs for a *very* long time. + */ + for (start = trv + 1;; --trv) + { + if (trv <= path) + break; + if (*trv == '/') + { + *trv = '\0'; + if (stat(path, &sbuf) < 0) + return(0); + if (!S_ISDIR(sbuf.st_mode)) + { + errno = ENOTDIR; + return(0); + } + *trv = '/'; + break; + } + } + + for (;;) + { + if (doopen) + { + if ((*doopen = open(path, O_CREAT|O_EXCL|O_RDWR, + 0600)) >= 0) + return(1); + if (errno != EEXIST) + return(0); + } + else if (stat(path, &sbuf) < 0) + return(errno == ENOENT ? 1 : 0); + + /* tricky little algorithm for backward compatibility */ + for (trv = start;;) + { + if (!*trv) + return(0); + if (*trv == 'z') + *trv++ = 'a'; + else + { + if (isascii(*trv) && isdigit(*trv)) + *trv = 'a'; + else + ++*trv; + break; + } + } + } + /* NOTREACHED */ +} +#endif /* defined(ultrix) || defined(_CRAY) */ diff --git a/contrib/sendmail-8.13.4/mailstats/Makefile b/contrib/sendmail-8.13.4/mailstats/Makefile new file mode 100644 index 0000000000..6dbcb62430 --- /dev/null +++ b/contrib/sendmail-8.13.4/mailstats/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.5 1999/09/23 22:36:36 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/mailstats/Makefile.m4 b/contrib/sendmail-8.13.4/mailstats/Makefile.m4 new file mode 100644 index 0000000000..61f56924b5 --- /dev/null +++ b/contrib/sendmail-8.13.4/mailstats/Makefile.m4 @@ -0,0 +1,23 @@ +dnl $Id: Makefile.m4,v 8.35 2002/06/21 22:01:40 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `mailstats') +define(`bldINSTALL_DIR', `S') +define(`bldSOURCES', `mailstats.c ') +bldPUSH_SMLIB(`sm') +bldPUSH_SMLIB(`smutil') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `mailstats') +define(`bldSOURCES', `mailstats.8') +bldPRODUCT_END + +bldFINISH + diff --git a/contrib/sendmail-8.13.4/mailstats/mailstats.8 b/contrib/sendmail-8.13.4/mailstats/mailstats.8 new file mode 100644 index 0000000000..d6c25def5d --- /dev/null +++ b/contrib/sendmail-8.13.4/mailstats/mailstats.8 @@ -0,0 +1,118 @@ +.\" Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: mailstats.8,v 8.31 2002/06/27 22:47:29 gshapiro Exp $ +.\" +.TH MAILSTATS 8 "$Date: 2002/06/27 22:47:29 $" +.SH NAME +mailstats +\- display mail statistics +.SH SYNOPSIS +.B mailstats +.RB [ \-c "] [" \-o "] [" \-p "] [" \-P ] +.RB [ \-C +.IR cffile ] +.RB [ \-f +.IR stfile ] +.SH DESCRIPTION +The +.B mailstats +utility displays the current mail statistics. +.PP +First, the time at which statistics started being kept is displayed, +in the format specified by +ctime(3). +Then, +the statistics for each mailer are displayed on a single line, +each with the following white space separated fields: +.sp +.RS +.PD 0.2v +.TP 1.2i +.B M +The mailer number. +.TP +.B msgsfr +Number of messages from the mailer. +.TP +.B bytes_from +Kbytes from the mailer. +.TP +.B msgsto +Number of messages to the mailer. +.TP +.B bytes_to +Kbytes to the mailer. +.TP +.B msgsrej +Number of messages rejected. +.TP +.B msgsdis +Number of messages discarded. +.TP +.B msgsqur +Number of messages quarantined. +.TP +.B Mailer +The name of the mailer. +.PD +.RE +.PP +After this display, a line totaling the values for all of the mailers +is displayed (preceded with a ``T''), +separated from the previous information by a line containing only equals +(``='') +characters. +Another line preceded with a ``C'' lists the number of TCP connections. +.PP +The options are as follows: +.TP +.B \-C +Read the specified file instead of the default +.B sendmail +configuration file. +.TP +.B \-c +Try to use submit.cf instead of the default +.B sendmail +configuration file. +.TP +.B \-f +Read the specified statistics file instead of the statistics file +specified in the +.B sendmail +configuration file. +.TP +.B \-P +Output information in program-readable mode without clearing statistics. +.TP +.B \-p +Output information in program-readable mode and clear statistics. +.TP +.B \-o +Don't display the name of the mailer in the output. +.PP +The +.B mailstats +utility exits 0 on success, and >0 if an error occurs. +.SH FILES +.PD 0.2v +.TP 2.5i +/etc/mail/sendmail.cf +The default +.B sendmail +configuration file. +.TP +/etc/mail/statistics +The default +.B sendmail +statistics file. +.PD +.SH SEE ALSO +mailq(1), +sendmail(8) diff --git a/contrib/sendmail-8.13.4/mailstats/mailstats.c b/contrib/sendmail-8.13.4/mailstats/mailstats.c new file mode 100644 index 0000000000..f8b57b37bf --- /dev/null +++ b/contrib/sendmail-8.13.4/mailstats/mailstats.c @@ -0,0 +1,368 @@ +/* + * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1988, 1993\n\ + The Regents of the University of California. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: mailstats.c,v 8.100 2002/06/27 23:24:06 gshapiro Exp $") + +#include +#include +#include +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include + +#include +#include +#include +#include +#include + + +#define MNAMELEN 20 /* max length of mailer name */ + +int +main(argc, argv) + int argc; + char **argv; +{ + register int i; + int mno; + int save_errno; + int ch, fd; + char *sfile; + char *cfile; + SM_FILE_T *cfp; + bool mnames; + bool progmode; + bool trunc; + long frmsgs = 0, frbytes = 0, tomsgs = 0, tobytes = 0, rejmsgs = 0; + long dismsgs = 0; + long quarmsgs = 0; + time_t now; + char mtable[MAXMAILERS][MNAMELEN + 1]; + char sfilebuf[MAXPATHLEN]; + char buf[MAXLINE]; + struct statistics stats; + extern char *ctime(); + extern char *optarg; + extern int optind; + + cfile = getcfname(0, 0, SM_GET_SENDMAIL_CF, NULL); + sfile = NULL; + mnames = true; + progmode = false; + trunc = false; + while ((ch = getopt(argc, argv, "cC:f:opP")) != -1) + { + switch (ch) + { + case 'c': + cfile = getcfname(0, 0, SM_GET_SUBMIT_CF, NULL); + break; + + case 'C': + cfile = optarg; + break; + + case 'f': + sfile = optarg; + break; + + case 'o': + mnames = false; + break; + + case 'p': + trunc = true; + /* FALLTHROUGH */ + + case 'P': + progmode = true; + break; + + case '?': + default: + usage: + (void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, + "usage: mailstats [-C cffile] [-c] [-P] [-f stfile] [-o] [-p]\n"); + exit(EX_USAGE); + } + } + argc -= optind; + argv += optind; + + if (argc != 0) + goto usage; + + if ((cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, cfile, SM_IO_RDONLY, + NULL)) == NULL) + { + save_errno = errno; + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "mailstats: "); + errno = save_errno; + sm_perror(cfile); + exit(EX_NOINPUT); + } + + mno = 0; + (void) sm_strlcpy(mtable[mno++], "prog", MNAMELEN + 1); + (void) sm_strlcpy(mtable[mno++], "*file*", MNAMELEN + 1); + (void) sm_strlcpy(mtable[mno++], "*include*", MNAMELEN + 1); + + while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) != NULL) + { + register char *b; + char *s; + register char *m; + + b = strchr(buf, '#'); + if (b == NULL) + b = strchr(buf, '\n'); + if (b == NULL) + b = &buf[strlen(buf)]; + while (isascii(*--b) && isspace(*b)) + continue; + *++b = '\0'; + + b = buf; + switch (*b++) + { + case 'M': /* mailer definition */ + break; + + case 'O': /* option -- see if .st file */ + if (sm_strncasecmp(b, " StatusFile", 11) == 0 && + !(isascii(b[11]) && isalnum(b[11]))) + { + /* new form -- find value */ + b = strchr(b, '='); + if (b == NULL) + continue; + while (isascii(*++b) && isspace(*b)) + continue; + } + else if (*b++ != 'S') + { + /* something else boring */ + continue; + } + + /* this is the S or StatusFile option -- save it */ + if (sm_strlcpy(sfilebuf, b, sizeof sfilebuf) >= + sizeof sfilebuf) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "StatusFile filename too long: %.30s...\n", + b); + exit(EX_CONFIG); + } + if (sfile == NULL) + sfile = sfilebuf; + + default: + continue; + } + + if (mno >= MAXMAILERS) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Too many mailers defined, %d max.\n", + MAXMAILERS); + exit(EX_SOFTWARE); + } + m = mtable[mno]; + s = m + MNAMELEN; /* is [MNAMELEN + 1] */ + while (*b != ',' && !(isascii(*b) && isspace(*b)) && + *b != '\0' && m < s) + *m++ = *b++; + *m = '\0'; + for (i = 0; i < mno; i++) + { + if (strcmp(mtable[i], mtable[mno]) == 0) + break; + } + if (i == mno) + mno++; + } + (void) sm_io_close(cfp, SM_TIME_DEFAULT); + for (; mno < MAXMAILERS; mno++) + mtable[mno][0] = '\0'; + + if (sfile == NULL) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "mailstats: no statistics file located\n"); + exit(EX_OSFILE); + } + + fd = open(sfile, O_RDONLY, 0600); + if ((fd < 0) || (i = read(fd, &stats, sizeof stats)) < 0) + { + save_errno = errno; + (void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, "mailstats: "); + errno = save_errno; + sm_perror(sfile); + exit(EX_NOINPUT); + } + if (i == 0) + { + (void) sleep(1); + if ((i = read(fd, &stats, sizeof stats)) < 0) + { + save_errno = errno; + (void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, + "mailstats: "); + errno = save_errno; + sm_perror(sfile); + exit(EX_NOINPUT); + } + else if (i == 0) + { + memset((ARBPTR_T) &stats, '\0', sizeof stats); + (void) time(&stats.stat_itime); + } + } + if (i != 0) + { + if (stats.stat_magic != STAT_MAGIC) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "mailstats: incorrect magic number in %s\n", + sfile); + exit(EX_OSERR); + } + else if (stats.stat_version != STAT_VERSION) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "mailstats version (%d) incompatible with %s version (%d)\n", + STAT_VERSION, sfile, + stats.stat_version); + + exit(EX_OSERR); + } + else if (i != sizeof stats || stats.stat_size != sizeof(stats)) + { + (void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, + "mailstats: file size changed.\n"); + exit(EX_OSERR); + } + } + + if (progmode) + { + (void) time(&now); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%ld %ld\n", + (long) stats.stat_itime, (long) now); + } + else + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Statistics from %s", + ctime(&stats.stat_itime)); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " M msgsfr bytes_from msgsto bytes_to msgsrej msgsdis"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, " msgsqur"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%s\n", + mnames ? " Mailer" : ""); + } + for (i = 0; i < MAXMAILERS; i++) + { + if (stats.stat_nf[i] || stats.stat_nt[i] || + stats.stat_nq[i] || + stats.stat_nr[i] || stats.stat_nd[i]) + { + char *format; + + if (progmode) + format = "%2d %8ld %10ld %8ld %10ld %6ld %6ld"; + else + format = "%2d %8ld %10ldK %8ld %10ldK %6ld %6ld"; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + format, i, + stats.stat_nf[i], + stats.stat_bf[i], + stats.stat_nt[i], + stats.stat_bt[i], + stats.stat_nr[i], + stats.stat_nd[i]); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " %6ld", stats.stat_nq[i]); + if (mnames) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " %s", + mtable[i]); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n"); + frmsgs += stats.stat_nf[i]; + frbytes += stats.stat_bf[i]; + tomsgs += stats.stat_nt[i]; + tobytes += stats.stat_bt[i]; + rejmsgs += stats.stat_nr[i]; + dismsgs += stats.stat_nd[i]; + quarmsgs += stats.stat_nq[i]; + } + } + if (progmode) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " T %8ld %10ld %8ld %10ld %6ld %6ld", + frmsgs, frbytes, tomsgs, tobytes, rejmsgs, + dismsgs); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " %6ld", quarmsgs); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " C %8ld %8ld %6ld\n", + stats.stat_cf, stats.stat_ct, + stats.stat_cr); + (void) close(fd); + if (trunc) + { + fd = open(sfile, O_RDWR | O_TRUNC, 0600); + if (fd >= 0) + (void) close(fd); + } + } + else + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "============================================================="); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "========"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " T %8ld %10ldK %8ld %10ldK %6ld %6ld", + frmsgs, frbytes, tomsgs, tobytes, rejmsgs, + dismsgs); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " %6ld", quarmsgs); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " C %8ld %10s %8ld %10s %6ld\n", + stats.stat_cf, "", stats.stat_ct, "", + stats.stat_cr); + } + exit(EX_OK); + /* NOTREACHED */ + return EX_OK; +} diff --git a/contrib/sendmail-8.13.4/makemap/Makefile b/contrib/sendmail-8.13.4/makemap/Makefile new file mode 100644 index 0000000000..a6960c1d22 --- /dev/null +++ b/contrib/sendmail-8.13.4/makemap/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.7 1999/09/23 22:36:37 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/makemap/Makefile.m4 b/contrib/sendmail-8.13.4/makemap/Makefile.m4 new file mode 100644 index 0000000000..a4664cf436 --- /dev/null +++ b/contrib/sendmail-8.13.4/makemap/Makefile.m4 @@ -0,0 +1,23 @@ +dnl $Id: Makefile.m4,v 8.43 2002/06/21 22:01:44 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `makemap') +define(`bldSOURCES', `makemap.c ') +define(`bldINSTALL_DIR', `S') +bldPUSH_SMLIB(`sm') +bldPUSH_SMLIB(`smutil') +bldPUSH_SMLIB(`smdb') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `makemap') +define(`bldSOURCES', `makemap.8') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/makemap/makemap.8 b/contrib/sendmail-8.13.4/makemap/makemap.8 new file mode 100644 index 0000000000..96338e79cb --- /dev/null +++ b/contrib/sendmail-8.13.4/makemap/makemap.8 @@ -0,0 +1,172 @@ +.\" Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1988, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: makemap.8,v 8.30 2002/06/27 23:41:04 gshapiro Exp $ +.\" +.TH MAKEMAP 8 "$Date: 2002/06/27 23:41:04 $" +.SH NAME +makemap +\- create database maps for sendmail +.SH SYNOPSIS +.B makemap +.RB [ \-C +.IR file ] +.RB [ \-N ] +.RB [ \-c +.IR cachesize ] +.RB [ \-d ] +.RB [ \-D +.IR commentchar ] +.RB [ \-e ] +.RB [ \-f ] +.RB [ \-l ] +.RB [ \-o ] +.RB [ \-r ] +.RB [ \-s ] +.RB [ \-t +.IR delim ] +.RB [ \-u ] +.RB [ \-v ] +.I +maptype mapnam +.SH DESCRIPTION +.B Makemap +creates the database maps used by the keyed map lookups in +sendmail(8). +It reads input from the standard input +and outputs them to the indicated +.I mapname. +.PP +Depending on how it is compiled, +.B makemap +handles up to three different database formats, +selected using the +.I maptype +parameter. +They may be +.TP +dbm +DBM format maps. +This requires the +ndbm(3) +library. +.TP +btree +B-Tree format maps. +This requires the new Berkeley DB +library. +.TP +hash +Hash format maps. +This also requires the Berkeley DB +library. +.PP +In all cases, +.B makemap +reads lines from the standard input consisting of two +words separated by white space. +The first is the database key, +the second is the value. +The value may contain +``%\fIn\fP'' +strings to indicate parameter substitution. +Literal percents should be doubled +(``%%''). +Blank lines and lines beginning with ``#'' are ignored. +.PP +Notice: do +.B not +use +.B makemap +to create the aliases data base, but +.B newaliases +which puts a special token into the data base that is required by +.B sendmail. +.PP +If the +.I TrustedUser +option is set in the sendmail configuration file and +.B makemap +is invoked as root, the generated files will be owned by +the specified +.IR TrustedUser. +.SS Flags +.TP +.B \-C +Use the specified +.B sendmail +configuration file for looking up the TrustedUser option. +.TP +.B \-N +Include the null byte that terminates strings +in the map. +This must match the \-N flag in the sendmail.cf +``K'' line. +.TP +.B \-c +Use the specified hash and B-Tree cache size. +.TP +.B \-D +Use to specify the character to use to indicate a comment (which is ignored) +instead of the default of '#'. +.TP +.B \-d +Allow duplicate keys in the map. +This is only allowed on B-Tree format maps. +If two identical keys are read, +they will both be inserted into the map. +.TP +.B \-e +Allow empty value (right hand side). +.TP +.B \-f +Normally all upper case letters in the key +are folded to lower case. +This flag disables that behaviour. +This is intended to mesh with the +\-f flag in the +.B K +line in sendmail.cf. +The value is never case folded. +.TP +.B \-l +List supported map types. +.TP +.B \-o +Append to an old file. +This allows you to augment an existing file. +.TP +.B \-r +Allow replacement of existing keys. +Normally +.B makemap +complains if you repeat a key, +and does not do the insert. +.TP +.B \-s +Ignore safety checks on maps being created. +This includes checking for hard or symbolic +links in world writable directories. +.TP +.B \-t +Use the specified delimiter instead of white space. +.TP +.B \-u +dump (unmap) the content of the database to standard output. +.TP +.B \-v +Verbosely print what it is doing. +.SH SEE ALSO +sendmail(8), newaliases(1) +.SH HISTORY +The +.B makemap +command appeared in +4.4BSD. diff --git a/contrib/sendmail-8.13.4/makemap/makemap.c b/contrib/sendmail-8.13.4/makemap/makemap.c new file mode 100644 index 0000000000..344d5b9720 --- /dev/null +++ b/contrib/sendmail-8.13.4/makemap/makemap.c @@ -0,0 +1,528 @@ +/* + * Copyright (c) 1998-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1992 Eric P. Allman. All rights reserved. + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1998-2002, 2004 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1992 Eric P. Allman. All rights reserved.\n\ + Copyright (c) 1992, 1993\n\ + The Regents of the University of California. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: makemap.c,v 8.177 2004/08/03 23:57:24 ca Exp $") + + +#include +#ifndef ISC_UNIX +# include +#endif /* ! ISC_UNIX */ +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include +#include +#include +#include + +uid_t RealUid; +gid_t RealGid; +char *RealUserName; +uid_t RunAsUid; +uid_t RunAsGid; +char *RunAsUserName; +int Verbose = 2; +bool DontInitGroups = false; +uid_t TrustedUid = 0; +BITMAP256 DontBlameSendmail; + +#define BUFSIZE 1024 +#define ISSEP(c) (sep == '\0' ? isascii(c) && isspace(c) : (c) == sep) + +static void usage __P((char *)); + +static void +usage(progname) + char *progname; +{ + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Usage: %s [-C cffile] [-N] [-c cachesize] [-D commentchar]\n", + progname); + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + " %*s [-d] [-e] [-f] [-l] [-o] [-r] [-s] [-t delimiter]\n", + (int) strlen(progname), ""); + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + " %*s [-u] [-v] type mapname\n", + (int) strlen(progname), ""); + exit(EX_USAGE); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + char *progname; + char *cfile; + bool inclnull = false; + bool notrunc = false; + bool allowreplace = false; + bool allowempty = false; + bool verbose = false; + bool foldcase = true; + bool unmake = false; + char sep = '\0'; + char comment = '#'; + int exitstat; + int opt; + char *typename = NULL; + char *mapname = NULL; + unsigned int lineno; + int st; + int mode; + int smode; + int putflags = 0; + long sff = SFF_ROOTOK|SFF_REGONLY; + struct passwd *pw; + SMDB_DATABASE *database; + SMDB_CURSOR *cursor; + SMDB_DBENT db_key, db_val; + SMDB_DBPARAMS params; + SMDB_USER_INFO user_info; + char ibuf[BUFSIZE]; +#if HASFCHOWN + SM_FILE_T *cfp; + char buf[MAXLINE]; +#endif /* HASFCHOWN */ + static char rnamebuf[MAXNAME]; /* holds RealUserName */ + extern char *optarg; + extern int optind; + + memset(¶ms, '\0', sizeof params); + params.smdbp_cache_size = 1024 * 1024; + + progname = strrchr(argv[0], '/'); + if (progname != NULL) + progname++; + else + progname = argv[0]; + cfile = getcfname(0, 0, SM_GET_SENDMAIL_CF, NULL); + + clrbitmap(DontBlameSendmail); + RunAsUid = RealUid = getuid(); + RunAsGid = RealGid = getgid(); + pw = getpwuid(RealUid); + if (pw != NULL) + (void) sm_strlcpy(rnamebuf, pw->pw_name, sizeof rnamebuf); + else + (void) sm_snprintf(rnamebuf, sizeof rnamebuf, + "Unknown UID %d", (int) RealUid); + RunAsUserName = RealUserName = rnamebuf; + user_info.smdbu_id = RunAsUid; + user_info.smdbu_group_id = RunAsGid; + (void) sm_strlcpy(user_info.smdbu_name, RunAsUserName, + SMDB_MAX_USER_NAME_LEN); + +#define OPTIONS "C:D:Nc:deflorst:uv" + while ((opt = getopt(argc, argv, OPTIONS)) != -1) + { + switch (opt) + { + case 'C': + cfile = optarg; + break; + + case 'N': + inclnull = true; + break; + + case 'c': + params.smdbp_cache_size = atol(optarg); + break; + + case 'd': + params.smdbp_allow_dup = true; + break; + + case 'e': + allowempty = true; + break; + + case 'f': + foldcase = false; + break; + + case 'D': + comment = *optarg; + break; + + case 'l': + smdb_print_available_types(); + exit(EX_OK); + break; + + case 'o': + notrunc = true; + break; + + case 'r': + allowreplace = true; + break; + + case 's': + setbitn(DBS_MAPINUNSAFEDIRPATH, DontBlameSendmail); + setbitn(DBS_WRITEMAPTOHARDLINK, DontBlameSendmail); + setbitn(DBS_WRITEMAPTOSYMLINK, DontBlameSendmail); + setbitn(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail); + break; + + case 't': + if (optarg == NULL || *optarg == '\0') + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Invalid separator\n"); + break; + } + sep = *optarg; + break; + + case 'u': + unmake = true; + break; + + case 'v': + verbose = true; + break; + + default: + usage(progname); + /* NOTREACHED */ + } + } + + if (!bitnset(DBS_WRITEMAPTOSYMLINK, DontBlameSendmail)) + sff |= SFF_NOSLINK; + if (!bitnset(DBS_WRITEMAPTOHARDLINK, DontBlameSendmail)) + sff |= SFF_NOHLINK; + if (!bitnset(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + + argc -= optind; + argv += optind; + if (argc != 2) + { + usage(progname); + /* NOTREACHED */ + } + else + { + typename = argv[0]; + mapname = argv[1]; + } + +#if HASFCHOWN + /* Find TrustedUser value in sendmail.cf */ + if ((cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, cfile, SM_IO_RDONLY, + NULL)) == NULL) + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "makemap: %s: %s", + cfile, sm_errstring(errno)); + exit(EX_NOINPUT); + } + while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) != NULL) + { + register char *b; + + if ((b = strchr(buf, '\n')) != NULL) + *b = '\0'; + + b = buf; + switch (*b++) + { + case 'O': /* option */ + if (strncasecmp(b, " TrustedUser", 12) == 0 && + !(isascii(b[12]) && isalnum(b[12]))) + { + b = strchr(b, '='); + if (b == NULL) + continue; + while (isascii(*++b) && isspace(*b)) + continue; + if (isascii(*b) && isdigit(*b)) + TrustedUid = atoi(b); + else + { + TrustedUid = 0; + pw = getpwnam(b); + if (pw == NULL) + (void) sm_io_fprintf(smioerr, + SM_TIME_DEFAULT, + "TrustedUser: unknown user %s\n", b); + else + TrustedUid = pw->pw_uid; + } + +# ifdef UID_MAX + if (TrustedUid > UID_MAX) + { + (void) sm_io_fprintf(smioerr, + SM_TIME_DEFAULT, + "TrustedUser: uid value (%ld) > UID_MAX (%ld)", + (long) TrustedUid, + (long) UID_MAX); + TrustedUid = 0; + } +# endif /* UID_MAX */ + break; + } + + + default: + continue; + } + } + (void) sm_io_close(cfp, SM_TIME_DEFAULT); +#endif /* HASFCHOWN */ + + if (!params.smdbp_allow_dup && !allowreplace) + putflags = SMDBF_NO_OVERWRITE; + + if (unmake) + { + mode = O_RDONLY; + smode = S_IRUSR; + } + else + { + mode = O_RDWR; + if (!notrunc) + { + mode |= O_CREAT|O_TRUNC; + sff |= SFF_CREAT; + } + smode = S_IWUSR; + } + + params.smdbp_num_elements = 4096; + + errno = smdb_open_database(&database, mapname, mode, smode, sff, + typename, &user_info, ¶ms); + if (errno != SMDBE_OK) + { + char *hint; + + if (errno == SMDBE_UNSUPPORTED_DB_TYPE && + (hint = smdb_db_definition(typename)) != NULL) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: Need to recompile with -D%s for %s support\n", + progname, hint, typename); + else + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: error opening type %s map %s: %s\n", + progname, typename, mapname, + sm_errstring(errno)); + exit(EX_CANTCREAT); + } + + (void) database->smdb_sync(database, 0); + + if (!unmake && geteuid() == 0 && TrustedUid != 0) + { + errno = database->smdb_set_owner(database, TrustedUid, -1); + if (errno != SMDBE_OK) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "WARNING: ownership change on %s failed %s", + mapname, sm_errstring(errno)); + } + } + + /* + ** Copy the data + */ + + exitstat = EX_OK; + if (unmake) + { + errno = database->smdb_cursor(database, &cursor, 0); + if (errno != SMDBE_OK) + { + + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: cannot make cursor for type %s map %s\n", + progname, typename, mapname); + exit(EX_SOFTWARE); + } + + memset(&db_key, '\0', sizeof db_key); + memset(&db_val, '\0', sizeof db_val); + + for (lineno = 0; ; lineno++) + { + errno = cursor->smdbc_get(cursor, &db_key, &db_val, + SMDB_CURSOR_GET_NEXT); + if (errno != SMDBE_OK) + break; + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%.*s\t%.*s\n", + (int) db_key.size, + (char *) db_key.data, + (int) db_val.size, + (char *)db_val.data); + + } + (void) cursor->smdbc_close(cursor); + } + else + { + lineno = 0; + while (sm_io_fgets(smioin, SM_TIME_DEFAULT, ibuf, sizeof ibuf) + != NULL) + { + register char *p; + + lineno++; + + /* + ** Parse the line. + */ + + p = strchr(ibuf, '\n'); + if (p != NULL) + *p = '\0'; + else if (!sm_io_eof(smioin)) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: %s: line %u: line too long (%ld bytes max)\n", + progname, mapname, lineno, + (long) sizeof ibuf); + exitstat = EX_DATAERR; + continue; + } + + if (ibuf[0] == '\0' || ibuf[0] == comment) + continue; + if (sep == '\0' && isascii(ibuf[0]) && isspace(ibuf[0])) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: %s: line %u: syntax error (leading space)\n", + progname, mapname, lineno); + exitstat = EX_DATAERR; + continue; + } + + memset(&db_key, '\0', sizeof db_key); + memset(&db_val, '\0', sizeof db_val); + db_key.data = ibuf; + + for (p = ibuf; *p != '\0' && !(ISSEP(*p)); p++) + { + if (foldcase && isascii(*p) && isupper(*p)) + *p = tolower(*p); + } + db_key.size = p - ibuf; + if (inclnull) + db_key.size++; + + if (*p != '\0') + *p++ = '\0'; + while (*p != '\0' && ISSEP(*p)) + p++; + if (!allowempty && *p == '\0') + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: %s: line %u: no RHS for LHS %s\n", + progname, mapname, lineno, + (char *) db_key.data); + exitstat = EX_DATAERR; + continue; + } + + db_val.data = p; + db_val.size = strlen(p); + if (inclnull) + db_val.size++; + + /* + ** Do the database insert. + */ + + if (verbose) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "key=`%s', val=`%s'\n", + (char *) db_key.data, + (char *) db_val.data); + } + + errno = database->smdb_put(database, &db_key, &db_val, + putflags); + switch (errno) + { + case SMDBE_KEY_EXIST: + st = 1; + break; + + case 0: + st = 0; + break; + + default: + st = -1; + break; + } + + if (st < 0) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: %s: line %u: key %s: put error: %s\n", + progname, mapname, lineno, + (char *) db_key.data, + sm_errstring(errno)); + exitstat = EX_IOERR; + } + else if (st > 0) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: %s: line %u: key %s: duplicate key\n", + progname, mapname, + lineno, + (char *) db_key.data); + exitstat = EX_DATAERR; + } + } + } + + /* + ** Now close the database. + */ + + errno = database->smdb_close(database); + if (errno != SMDBE_OK) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: close(%s): %s\n", + progname, mapname, sm_errstring(errno)); + exitstat = EX_IOERR; + } + smdb_free_database(database); + + exit(exitstat); + + /* NOTREACHED */ + return exitstat; +} diff --git a/contrib/sendmail-8.13.4/praliases/Makefile b/contrib/sendmail-8.13.4/praliases/Makefile new file mode 100644 index 0000000000..6b6db708f2 --- /dev/null +++ b/contrib/sendmail-8.13.4/praliases/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.5 1999/09/23 22:36:39 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/praliases/Makefile.m4 b/contrib/sendmail-8.13.4/praliases/Makefile.m4 new file mode 100644 index 0000000000..2ba5c7eb06 --- /dev/null +++ b/contrib/sendmail-8.13.4/praliases/Makefile.m4 @@ -0,0 +1,24 @@ +dnl $Id: Makefile.m4,v 8.35 2002/06/21 22:01:47 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `praliases') +define(`bldINSTALL_DIR', `S') +define(`bldSOURCES', `praliases.c ') +bldPUSH_SMLIB(`sm') +bldPUSH_SMLIB(`smutil') +bldPUSH_SMLIB(`smdb') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `praliases') +define(`bldSOURCES', `praliases.8') +bldPRODUCT_END + +bldFINISH + diff --git a/contrib/sendmail-8.13.4/praliases/praliases.8 b/contrib/sendmail-8.13.4/praliases/praliases.8 new file mode 100644 index 0000000000..2c78cacff5 --- /dev/null +++ b/contrib/sendmail-8.13.4/praliases/praliases.8 @@ -0,0 +1,57 @@ +.\" Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: praliases.8,v 8.17 2000/12/15 19:53:45 gshapiro Exp $ +.\" +.TH PRALIASES 8 "$Date: 2000/12/15 19:53:45 $" +.SH NAME +praliases +\- display system mail aliases +.SH SYNOPSIS +.B praliases +.RB [ \-C +.IR file ] +.RB [ \-f +.IR file ] +.RB [\c +.IR key +.IR ... ] +.SH DESCRIPTION +The +.B praliases +utility displays the current system aliases, +one per line, in no particular order. +The special internal @:@ alias will be displayed if present. +.PP +The options are as follows: +.TP +.B \-C +Read the specified sendmail configuration file instead of the default +.B sendmail +configuration file. +.TP +.B \-f +Read the specified file instead of the configured +.B sendmail +system aliases file(s). +.PP +If one or more keys are specified on the command line, +only entries which match those keys are displayed. +.PP +The +.B praliases +utility exits 0 on success, and >0 if an error occurs. +.SH FILES +.TP 2.5i +/etc/mail/sendmail.cf +The default +.B sendmail +configuration file. +.SH SEE ALSO +mailq(1), +sendmail(8) diff --git a/contrib/sendmail-8.13.4/praliases/praliases.c b/contrib/sendmail-8.13.4/praliases/praliases.c new file mode 100644 index 0000000000..720fa6d277 --- /dev/null +++ b/contrib/sendmail-8.13.4/praliases/praliases.c @@ -0,0 +1,397 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1983 Eric P. Allman. All rights reserved.\n\ + Copyright (c) 1988, 1993\n\ + The Regents of the University of California. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: praliases.c,v 8.93 2001/09/11 04:05:07 gshapiro Exp $") + +#include +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include + + +#ifndef NOT_SENDMAIL +# define NOT_SENDMAIL +#endif /* ! NOT_SENDMAIL */ +#include +#include +#include + +static void praliases __P((char *, int, char **)); + +uid_t RealUid; +gid_t RealGid; +char *RealUserName; +uid_t RunAsUid; +uid_t RunAsGid; +char *RunAsUserName; +int Verbose = 2; +bool DontInitGroups = false; +uid_t TrustedUid = 0; +BITMAP256 DontBlameSendmail; + +# define DELIMITERS " ,/" +# define PATH_SEPARATOR ':' + +int +main(argc, argv) + int argc; + char **argv; +{ + char *cfile; + char *filename = NULL; + SM_FILE_T *cfp; + int ch; + char afilebuf[MAXLINE]; + char buf[MAXLINE]; + struct passwd *pw; + static char rnamebuf[MAXNAME]; + extern char *optarg; + extern int optind; + + clrbitmap(DontBlameSendmail); + RunAsUid = RealUid = getuid(); + RunAsGid = RealGid = getgid(); + pw = getpwuid(RealUid); + if (pw != NULL) + { + if (strlen(pw->pw_name) > MAXNAME - 1) + pw->pw_name[MAXNAME] = 0; + sm_snprintf(rnamebuf, sizeof rnamebuf, "%s", pw->pw_name); + } + else + (void) sm_snprintf(rnamebuf, sizeof rnamebuf, + "Unknown UID %d", (int) RealUid); + RunAsUserName = RealUserName = rnamebuf; + + cfile = getcfname(0, 0, SM_GET_SENDMAIL_CF, NULL); + while ((ch = getopt(argc, argv, "C:f:")) != -1) + { + switch ((char)ch) { + case 'C': + cfile = optarg; + break; + case 'f': + filename = optarg; + break; + case '?': + default: + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "usage: praliases [-C cffile] [-f aliasfile]\n"); + exit(EX_USAGE); + } + } + argc -= optind; + argv += optind; + + if (filename != NULL) + { + praliases(filename, argc, argv); + exit(EX_OK); + } + + if ((cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, cfile, SM_IO_RDONLY, + NULL)) == NULL) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: %s: %s\n", cfile, + sm_errstring(errno)); + exit(EX_NOINPUT); + } + + while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) != NULL) + { + register char *b, *p; + + b = strchr(buf, '\n'); + if (b != NULL) + *b = '\0'; + + b = buf; + switch (*b++) + { + case 'O': /* option -- see if alias file */ + if (sm_strncasecmp(b, " AliasFile", 10) == 0 && + !(isascii(b[10]) && isalnum(b[10]))) + { + /* new form -- find value */ + b = strchr(b, '='); + if (b == NULL) + continue; + while (isascii(*++b) && isspace(*b)) + continue; + } + else if (*b++ != 'A') + { + /* something else boring */ + continue; + } + + /* this is the A or AliasFile option -- save it */ + if (sm_strlcpy(afilebuf, b, sizeof afilebuf) >= + sizeof afilebuf) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: AliasFile filename too long: %.30s\n", + b); + (void) sm_io_close(cfp, SM_TIME_DEFAULT); + exit(EX_CONFIG); + } + b = afilebuf; + + for (p = b; p != NULL; ) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + break; + b = p; + + p = strpbrk(p, DELIMITERS); + + /* find end of spec */ + if (p != NULL) + { + bool quoted = false; + + for (; *p != '\0'; p++) + { + /* + ** Don't break into a quoted + ** string. + */ + + if (*p == '"') + quoted = !quoted; + else if (*p == ',' && !quoted) + break; + } + + /* No more alias specs follow */ + if (*p == '\0') + { + /* chop trailing whitespace */ + while (isascii(*p) && + isspace(*p) && + p > b) + p--; + *p = '\0'; + p = NULL; + } + } + + if (p != NULL) + { + char *e = p - 1; + + /* chop trailing whitespace */ + while (isascii(*e) && + isspace(*e) && + e > b) + e--; + *++e = '\0'; + *p++ = '\0'; + } + praliases(b, argc, argv); + } + + default: + continue; + } + } + (void) sm_io_close(cfp, SM_TIME_DEFAULT); + exit(EX_OK); + /* NOTREACHED */ + return EX_OK; +} + +static void +praliases(filename, argc, argv) + char *filename; + int argc; + char **argv; +{ + int result; + char *colon; + char *db_name; + char *db_type; + SMDB_DATABASE *database = NULL; + SMDB_CURSOR *cursor = NULL; + SMDB_DBENT db_key, db_value; + SMDB_DBPARAMS params; + SMDB_USER_INFO user_info; + + colon = strchr(filename, PATH_SEPARATOR); + if (colon == NULL) + { + db_name = filename; + db_type = SMDB_TYPE_DEFAULT; + } + else + { + *colon = '\0'; + db_name = colon + 1; + db_type = filename; + } + + /* clean off arguments */ + for (;;) + { + while (isascii(*db_name) && isspace(*db_name)) + db_name++; + + if (*db_name != '-') + break; + while (*db_name != '\0' && + !(isascii(*db_name) && isspace(*db_name))) + db_name++; + } + + /* Skip non-file based DB types */ + if (db_type != NULL && *db_type != '\0') + { + if (db_type != SMDB_TYPE_DEFAULT && + strcmp(db_type, "hash") != 0 && + strcmp(db_type, "btree") != 0 && + strcmp(db_type, "dbm") != 0) + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: Skipping non-file based alias type %s\n", + db_type); + return; + } + } + + if (*db_name == '\0' || (db_type != NULL && *db_type == '\0')) + { + if (colon != NULL) + *colon = ':'; + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: illegal alias specification: %s\n", filename); + goto fatal; + } + + memset(¶ms, '\0', sizeof params); + params.smdbp_cache_size = 1024 * 1024; + + user_info.smdbu_id = RunAsUid; + user_info.smdbu_group_id = RunAsGid; + (void) sm_strlcpy(user_info.smdbu_name, RunAsUserName, + SMDB_MAX_USER_NAME_LEN); + + result = smdb_open_database(&database, db_name, O_RDONLY, 0, + SFF_ROOTOK, db_type, &user_info, ¶ms); + if (result != SMDBE_OK) + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: %s: open: %s\n", + db_name, sm_errstring(result)); + goto fatal; + } + + if (argc == 0) + { + memset(&db_key, '\0', sizeof db_key); + memset(&db_value, '\0', sizeof db_value); + + result = database->smdb_cursor(database, &cursor, 0); + if (result != SMDBE_OK) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: %s: set cursor: %s\n", db_name, + sm_errstring(result)); + goto fatal; + } + + while ((result = cursor->smdbc_get(cursor, &db_key, &db_value, + SMDB_CURSOR_GET_NEXT)) == + SMDBE_OK) + { +#if 0 + /* skip magic @:@ entry */ + if (db_key.size == 2 && + db_key.data[0] == '@' && + db_key.data[1] == '\0' && + db_value.size == 2 && + db_value.data[0] == '@' && + db_value.data[1] == '\0') + continue; +#endif /* 0 */ + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%.*s:%.*s\n", + (int) db_key.size, + (char *) db_key.data, + (int) db_value.size, + (char *) db_value.data); + } + + if (result != SMDBE_OK && result != SMDBE_LAST_ENTRY) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "praliases: %s: get value at cursor: %s\n", + db_name, sm_errstring(result)); + goto fatal; + } + } + else for (; *argv != NULL; ++argv) + { + int get_res; + + memset(&db_key, '\0', sizeof db_key); + memset(&db_value, '\0', sizeof db_value); + db_key.data = *argv; + db_key.size = strlen(*argv); + get_res = database->smdb_get(database, &db_key, &db_value, 0); + if (get_res == SMDBE_NOT_FOUND) + { + db_key.size++; + get_res = database->smdb_get(database, &db_key, + &db_value, 0); + } + if (get_res == SMDBE_OK) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%.*s:%.*s\n", + (int) db_key.size, + (char *) db_key.data, + (int) db_value.size, + (char *) db_value.data); + } + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%s: No such key\n", + (char *)db_key.data); + } + + fatal: + if (cursor != NULL) + (void) cursor->smdbc_close(cursor); + if (database != NULL) + (void) database->smdb_close(database); + if (colon != NULL) + *colon = ':'; + return; +} diff --git a/contrib/sendmail-8.13.4/rmail/Makefile b/contrib/sendmail-8.13.4/rmail/Makefile new file mode 100644 index 0000000000..2934322c6b --- /dev/null +++ b/contrib/sendmail-8.13.4/rmail/Makefile @@ -0,0 +1,19 @@ +# $Id: Makefile,v 8.5 1999/10/05 16:39:19 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +force-install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/rmail/Makefile.m4 b/contrib/sendmail-8.13.4/rmail/Makefile.m4 new file mode 100644 index 0000000000..f8ee2ff54b --- /dev/null +++ b/contrib/sendmail-8.13.4/rmail/Makefile.m4 @@ -0,0 +1,37 @@ +dnl $Id: Makefile.m4,v 8.43 2002/06/21 22:01:49 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `rmail') +define(`bldNO_INSTALL', `true') +define(`bldSOURCES', `rmail.c ') +bldPUSH_SMLIB(`sm') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `rmail') +define(`bldSOURCES', `rmail.8') +bldPRODUCT_END + +RMAIL=ifdef(`confFORCE_RMAIL', `force-install', `defeat-install') + +divert(bldTARGETS_SECTION) +install: ${RMAIL} + +defeat-install: + @echo "NOTE: This version of rmail is not suited for some operating" + @echo " systems. You can force the install using" + @echo " 'Build force-install'." + +force-install: install-rmail ifdef(`confNO_MAN_BUILD',, `install-docs') + +install-rmail: rmail + ${INSTALL} -c -o ${UBINOWN} -g ${UBINGRP} -m ${UBINMODE} rmail ${DESTDIR}${UBINDIR} +divert + +bldFINISH + diff --git a/contrib/sendmail-8.13.4/rmail/rmail.8 b/contrib/sendmail-8.13.4/rmail/rmail.8 new file mode 100644 index 0000000000..41aa3394f2 --- /dev/null +++ b/contrib/sendmail-8.13.4/rmail/rmail.8 @@ -0,0 +1,61 @@ +.\" Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1983, 1990 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: rmail.8,v 8.4 2001/04/03 01:53:16 gshapiro Exp $ +.\" +.TH RMAIL 8 "$Date: 2001/04/03 01:53:16 $" +.SH NAME +rmail +\- handle remote mail received via uucp +.SH SYNOPSIS +.B rmail +.RB [ \-D +.IR domain ] +.RB [ \-T ] +.I +user ... +.SH DESCRIPTION +.B Rmail +interprets incoming mail received via +uucp(1), +collapsing ``From'' lines in the form generated +by +mail.local(8) +into a single line of the form ``return-path!sender'', +and passing the processed mail on to +sendmail(8). +.PP +.B Rmail +is explicitly designed for use with +uucp +and +sendmail. +.SS Flags +.TP +.B \-D +Use the specified +.I domain +instead of the default domain of ``UUCP''. +.TP +.B \-T +Turn on debugging. +.SH SEE ALSO +uucp(1), +mail.local(8), +sendmail(8) +.SH HISTORY +The +.B rmail +program appeared in +4.2BSD. +.SH BUGS +.B Rmail +should not reside in +/bin. diff --git a/contrib/sendmail-8.13.4/rmail/rmail.c b/contrib/sendmail-8.13.4/rmail/rmail.c new file mode 100644 index 0000000000..cea291fde4 --- /dev/null +++ b/contrib/sendmail-8.13.4/rmail/rmail.c @@ -0,0 +1,433 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1988, 1993\n\ + The Regents of the University of California. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: rmail.c,v 8.61 2001/09/18 21:45:29 gshapiro Exp $") + +/* + * RMAIL -- UUCP mail server. + * + * This program reads the >From ... remote from ... lines that UUCP is so + * fond of and turns them into something reasonable. It then execs sendmail + * with various options built from these lines. + * + * The expected syntax is: + * + * := [-a-z0-9]+ + * := ctime format + * := [-a-z0-9!]+ + * := "^\n$" + * := "From" + * [ "remote from" ] + * := ">" + * msg := * + * + * The output of rmail(8) compresses the lines into a single + * from path. + * + * The err(3) routine is included here deliberately to make this code + * a bit more portable. + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include + +#include +#include +#include + +static void err __P((int, const char *, ...)); +static void usage __P((void)); +static char *xalloc __P((int)); + +#define newstr(s) strcpy(xalloc(strlen(s) + 1), s) + +static char * +xalloc(sz) + register int sz; +{ + register char *p; + + /* some systems can't handle size zero mallocs */ + if (sz <= 0) + sz = 1; + + p = malloc(sz); + if (p == NULL) + err(EX_TEMPFAIL, "out of memory"); + return (p); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int ch, debug, i, pdes[2], pid, status; + size_t fplen = 0, fptlen = 0, len; + off_t offset; + SM_FILE_T *fp; + char *addrp = NULL, *domain, *p, *t; + char *from_path, *from_sys, *from_user; + char **args, buf[2048], lbuf[2048]; + struct stat sb; + extern char *optarg; + extern int optind; + + debug = 0; + domain = "UUCP"; /* Default "domain". */ + while ((ch = getopt(argc, argv, "D:T")) != -1) + { + switch (ch) + { + case 'T': + debug = 1; + break; + + case 'D': + domain = optarg; + break; + + case '?': + default: + usage(); + } + } + + argc -= optind; + argv += optind; + + if (argc < 1) + usage(); + + from_path = from_sys = from_user = NULL; + for (offset = 0; ; ) + { + /* Get and nul-terminate the line. */ + if (sm_io_fgets(smioin, SM_TIME_DEFAULT, lbuf, + sizeof(lbuf)) == NULL) + err(EX_DATAERR, "no data"); + if ((p = strchr(lbuf, '\n')) == NULL) + err(EX_DATAERR, "line too long"); + *p = '\0'; + + /* Parse lines until reach a non-"From" line. */ + if (!strncmp(lbuf, "From ", 5)) + addrp = lbuf + 5; + else if (!strncmp(lbuf, ">From ", 6)) + addrp = lbuf + 6; + else if (offset == 0) + err(EX_DATAERR, + "missing or empty From line: %s", lbuf); + else + { + *p = '\n'; + break; + } + + if (addrp == NULL || *addrp == '\0') + err(EX_DATAERR, "corrupted From line: %s", lbuf); + + /* Use the "remote from" if it exists. */ + for (p = addrp; (p = strchr(p + 1, 'r')) != NULL; ) + { + if (!strncmp(p, "remote from ", 12)) + { + for (t = p += 12; *t != '\0'; ++t) + { + if (isascii(*t) && isspace(*t)) + break; + } + *t = '\0'; + if (debug) + (void) sm_io_fprintf(smioerr, + SM_TIME_DEFAULT, + "remote from: %s\n", + p); + break; + } + } + + /* Else use the string up to the last bang. */ + if (p == NULL) + { + if (*addrp == '!') + err(EX_DATAERR, "bang starts address: %s", + addrp); + else if ((t = strrchr(addrp, '!')) != NULL) + { + *t = '\0'; + p = addrp; + addrp = t + 1; + if (*addrp == '\0') + err(EX_DATAERR, + "corrupted From line: %s", lbuf); + if (debug) + (void) sm_io_fprintf(smioerr, + SM_TIME_DEFAULT, + "bang: %s\n", p); + } + } + + /* 'p' now points to any system string from this line. */ + if (p != NULL) + { + /* Nul terminate it as necessary. */ + for (t = p; *t != '\0'; ++t) + { + if (isascii(*t) && isspace(*t)) + break; + } + *t = '\0'; + + /* If the first system, copy to the from_sys string. */ + if (from_sys == NULL) + { + from_sys = newstr(p); + if (debug) + (void) sm_io_fprintf(smioerr, + SM_TIME_DEFAULT, + "from_sys: %s\n", + from_sys); + } + + /* Concatenate to the path string. */ + len = t - p; + if (from_path == NULL) + { + fplen = 0; + if ((from_path = malloc(fptlen = 256)) == NULL) + err(EX_TEMPFAIL, "out of memory"); + } + if (fplen + len + 2 > fptlen) + { + fptlen += SM_MAX(fplen + len + 2, 256); + if ((from_path = realloc(from_path, + fptlen)) == NULL) + err(EX_TEMPFAIL, "out of memory"); + } + memmove(from_path + fplen, p, len); + fplen += len; + from_path[fplen++] = '!'; + from_path[fplen] = '\0'; + } + + /* Save off from user's address; the last one wins. */ + for (p = addrp; *p != '\0'; ++p) + { + if (isascii(*p) && isspace(*p)) + break; + } + *p = '\0'; + if (*addrp == '\0') + addrp = "<>"; + if (from_user != NULL) + free(from_user); + from_user = newstr(addrp); + + if (debug) + { + if (from_path != NULL) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "from_path: %s\n", + from_path); + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "from_user: %s\n", from_user); + } + + if (offset != -1) + offset = (off_t)sm_io_tell(smioin, SM_TIME_DEFAULT); + } + + + /* Allocate args (with room for sendmail args as well as recipients */ + args = (char **)xalloc(sizeof(*args) * (10 + argc)); + + i = 0; + args[i++] = _PATH_SENDMAIL; /* Build sendmail's argument list. */ + args[i++] = "-G"; /* relay submission */ + args[i++] = "-oee"; /* No errors, just status. */ + args[i++] = "-odq"; /* Queue it, don't try to deliver. */ + args[i++] = "-oi"; /* Ignore '.' on a line by itself. */ + + /* set from system and protocol used */ + if (from_sys == NULL) + sm_snprintf(buf, sizeof(buf), "-p%s", domain); + else if (strchr(from_sys, '.') == NULL) + sm_snprintf(buf, sizeof(buf), "-p%s:%s.%s", + domain, from_sys, domain); + else + sm_snprintf(buf, sizeof(buf), "-p%s:%s", domain, from_sys); + args[i++] = newstr(buf); + + /* Set name of ``from'' person. */ + sm_snprintf(buf, sizeof(buf), "-f%s%s", + from_path ? from_path : "", from_user); + args[i++] = newstr(buf); + + /* + ** Don't copy arguments beginning with - as they will be + ** passed to sendmail and could be interpreted as flags. + ** To prevent confusion of sendmail wrap < and > around + ** the address (helps to pass addrs like @gw1,@gw2:aa@bb) + */ + + while (*argv != NULL) + { + if (**argv == '-') + err(EX_USAGE, "dash precedes argument: %s", *argv); + + if (strchr(*argv, ',') == NULL || strchr(*argv, '<') != NULL) + args[i++] = *argv; + else + { + len = strlen(*argv) + 3; + if ((args[i] = malloc(len)) == NULL) + err(EX_TEMPFAIL, "Cannot malloc"); + sm_snprintf(args[i++], len, "<%s>", *argv); + } + argv++; + argc--; + + /* Paranoia check, argc used for args[] bound */ + if (argc < 0) + err(EX_SOFTWARE, "Argument count mismatch"); + } + args[i] = NULL; + + if (debug) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Sendmail arguments:\n"); + for (i = 0; args[i] != NULL; i++) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "\t%s\n", args[i]); + } + + /* + ** If called with a regular file as standard input, seek to the right + ** position in the file and just exec sendmail. Could probably skip + ** skip the stat, but it's not unreasonable to believe that a failed + ** seek will cause future reads to fail. + */ + + if (!fstat(STDIN_FILENO, &sb) && S_ISREG(sb.st_mode)) + { + if (lseek(STDIN_FILENO, offset, SEEK_SET) != offset) + err(EX_TEMPFAIL, "stdin seek"); + (void) execv(_PATH_SENDMAIL, args); + err(EX_OSERR, "%s", _PATH_SENDMAIL); + } + + if (pipe(pdes) < 0) + err(EX_OSERR, "pipe failed"); + + switch (pid = fork()) + { + case -1: /* Err. */ + err(EX_OSERR, "fork failed"); + /* NOTREACHED */ + + case 0: /* Child. */ + if (pdes[0] != STDIN_FILENO) + { + (void) dup2(pdes[0], STDIN_FILENO); + (void) close(pdes[0]); + } + (void) close(pdes[1]); + (void) execv(_PATH_SENDMAIL, args); + err(EX_UNAVAILABLE, "%s", _PATH_SENDMAIL); + /* NOTREACHED */ + } + + if ((fp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &(pdes[1]), + SM_IO_WRONLY, NULL)) == NULL) + err(EX_OSERR, "sm_io_open failed"); + (void) close(pdes[0]); + + /* Copy the file down the pipe. */ + do + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", lbuf); + } while (sm_io_fgets(smioin, SM_TIME_DEFAULT, lbuf, + sizeof(lbuf)) != NULL); + + if (sm_io_error(smioin)) + err(EX_TEMPFAIL, "stdin: %s", sm_errstring(errno)); + + if (sm_io_close(fp, SM_TIME_DEFAULT)) + err(EX_OSERR, "sm_io_close failed"); + + if ((waitpid(pid, &status, 0)) == -1) + err(EX_OSERR, "%s", _PATH_SENDMAIL); + + if (!WIFEXITED(status)) + err(EX_OSERR, "%s: did not terminate normally", _PATH_SENDMAIL); + + if (WEXITSTATUS(status)) + err(status, "%s: terminated with %d (non-zero) status", + _PATH_SENDMAIL, WEXITSTATUS(status)); + exit(EX_OK); + /* NOTREACHED */ + return EX_OK; +} + +static void +usage() +{ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "usage: rmail [-T] [-D domain] user ...\n"); + exit(EX_USAGE); +} + +static void +#ifdef __STDC__ +err(int eval, const char *fmt, ...) +#else /* __STDC__ */ +err(eval, fmt, va_alist) + int eval; + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + SM_VA_LOCAL_DECL + + if (fmt != NULL) + { + SM_VA_START(ap, fmt); + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "rmail: "); + (void) sm_io_vfprintf(smioerr, SM_TIME_DEFAULT, fmt, ap); + SM_VA_END(ap); + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\n"); + } + exit(eval); +} diff --git a/contrib/sendmail-8.13.4/sendmail/Makefile b/contrib/sendmail-8.13.4/sendmail/Makefile new file mode 100644 index 0000000000..c86bbf5e22 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.11 1999/09/23 22:36:42 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/sendmail/Makefile.m4 b/contrib/sendmail-8.13.4/sendmail/Makefile.m4 new file mode 100644 index 0000000000..5cf0f78411 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/Makefile.m4 @@ -0,0 +1,101 @@ +dnl $Id: Makefile.m4,v 8.96 2003/08/08 20:31:17 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +bldPRODUCT_START(`executable', `sendmail') +define(`bldBIN_TYPE', `G') +define(`bldINSTALL_DIR', `') +define(`bldSOURCES', `main.c alias.c arpadate.c bf.c collect.c conf.c control.c convtime.c daemon.c deliver.c domain.c envelope.c err.c headers.c macro.c map.c mci.c milter.c mime.c parseaddr.c queue.c ratectrl.c readcf.c recipient.c sasl.c savemail.c sfsasl.c shmticklib.c sm_resolve.c srvrsmtp.c stab.c stats.c sysexits.c timers.c tls.c trace.c udb.c usersmtp.c util.c version.c ') +PREPENDDEF(`confENVDEF', `confMAPDEF') +bldPUSH_SMLIB(`sm') +bldPUSH_SMLIB(`smutil') + +dnl hack: /etc/mail is not defined as "location of .cf" in the build system +define(`bldTARGET_INST_DEP', ifdef(`confINST_DEP', `confINST_DEP', +`${DESTDIR}/etc/mail/submit.cf ${DESTDIR}${MSPQ}'))dnl +define(`bldTARGET_LINKS', ifdef(`confLINKS', `confLINKS', +`${DESTDIR}${UBINDIR}/newaliases ${DESTDIR}${UBINDIR}/mailq ${DESTDIR}${UBINDIR}/hoststat ${DESTDIR}${UBINDIR}/purgestat') +)dnl + +# location of sendmail statistics file (usually /etc/mail/ or /var/log) +STDIR= ifdef(`confSTDIR', `confSTDIR', `/etc/mail') + +# statistics file name +STFILE= ifdef(`confSTFILE', `confSTFILE', `statistics') +MSPSTFILE=ifdef(`confMSP_STFILE', `confMSP_STFILE', `sm-client.st') + +# full path to installed statistics file (usually ${STDIR}/statistics) +STPATH= ${STDIR}/${STFILE} + +# location of sendmail helpfile file (usually /etc/mail) +HFDIR= ifdef(`confHFDIR', `confHFDIR', `/etc/mail') + +# full path to installed help file (usually ${HFDIR}/helpfile) +HFFILE= ${HFDIR}/ifdef(`confHFFILE', `confHFFILE', `helpfile') + +ifdef(`confSMSRCADD', `APPENDDEF(`confSRCADD', `confSMSRCADD')') +ifdef(`confSMOBJADD', `APPENDDEF(`confOBJADD', `confSMOBJADD')') + +bldPUSH_TARGET(`statistics') +divert(bldTARGETS_SECTION) +statistics: + ${CP} /dev/null statistics + +${DESTDIR}/etc/mail/submit.cf: + @echo "Please read INSTALL if anything fails while installing the binary." + @echo "${DESTDIR}/etc/mail/submit.cf will be installed now." + cd ${SRCDIR}/cf/cf && make install-submit-cf + +MSPQ=ifdef(`confMSP_QUEUE_DIR', `confMSP_QUEUE_DIR', `/var/spool/clientmqueue') + +${DESTDIR}${MSPQ}: + @echo "Please read INSTALL if anything fails while installing the binary." + @echo "You must have setup a new user ${MSPQOWN} and a new group ${GBINGRP}" + @echo "as explained in sendmail/SECURITY." + mkdir -p ${DESTDIR}${MSPQ} + chown ${MSPQOWN} ${DESTDIR}${MSPQ} + chgrp ${GBINGRP} ${DESTDIR}${MSPQ} + chmod 0770 ${DESTDIR}${MSPQ} + +divert(0) + +ifdef(`confSETUSERID_INSTALL', `bldPUSH_INSTALL_TARGET(`install-set-user-id')') +ifdef(`confMTA_INSTALL', `bldPUSH_INSTALL_TARGET(`install-sm-mta')') +ifdef(`confNO_HELPFILE_INSTALL',, `bldPUSH_INSTALL_TARGET(`install-hf')') +ifdef(`confNO_STATISTICS_INSTALL',, `bldPUSH_INSTALL_TARGET(`install-st')') +divert(bldTARGETS_SECTION) + +install-set-user-id: bldCURRENT_PRODUCT ifdef(`confNO_HELPFILE_INSTALL',, `install-hf') ifdef(`confNO_STATISTICS_INSTALL',, `install-st') ifdef(`confNO_MAN_BUILD',, `install-docs') + ${INSTALL} -c -o ${S`'BINOWN} -g ${S`'BINGRP} -m ${S`'BINMODE} bldCURRENT_PRODUCT ${DESTDIR}${M`'BINDIR} + for i in ${sendmailTARGET_LINKS}; do \ + rm -f $$i; \ + ${LN} ${LNOPTS} ${M`'BINDIR}/sendmail $$i; \ + done + +define(`confMTA_LINKS', `${DESTDIR}${UBINDIR}/newaliases ${DESTDIR}${UBINDIR}/mailq ${DESTDIR}${UBINDIR}/hoststat ${DESTDIR}${UBINDIR}/purgestat') +install-sm-mta: bldCURRENT_PRODUCT + ${INSTALL} -c -o ${M`'BINOWN} -g ${M`'BINGRP} -m ${M`'BINMODE} bldCURRENT_PRODUCT ${DESTDIR}${M`'BINDIR}/sm-mta + for i in confMTA_LINKS; do \ + rm -f $$i; \ + ${LN} ${LNOPTS} ${M`'BINDIR}/sm-mta $$i; \ + done + +install-hf: + if [ ! -d ${DESTDIR}${HFDIR} ]; then mkdir -p ${DESTDIR}${HFDIR}; else :; fi + ${INSTALL} -c -o ${UBINOWN} -g ${UBINGRP} -m 444 helpfile ${DESTDIR}${HFFILE} + +install-st: statistics + if [ ! -d ${DESTDIR}${STDIR} ]; then mkdir -p ${DESTDIR}${STDIR}; else :; fi + ${INSTALL} -c -o ${SBINOWN} -g ${UBINGRP} -m ifdef(`confSTMODE', `confSTMODE', `0600') statistics ${DESTDIR}${STPATH} + +install-submit-st: statistics ${DESTDIR}${MSPQ} + ${INSTALL} -c -o ${MSPQOWN} -g ${GBINGRP} -m ifdef(`confSTMODE', `confSTMODE', `0600') statistics ${DESTDIR}${MSPQ}/${MSPSTFILE} + +divert(0) +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `sendmail') +define(`bldSOURCES', `sendmail.8 aliases.5 mailq.1 newaliases.1') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/sendmail/README b/contrib/sendmail-8.13.4/sendmail/README new file mode 100644 index 0000000000..0440657526 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/README @@ -0,0 +1,1829 @@ +# Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. +# All rights reserved. +# Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. +# Copyright (c) 1988 +# The Regents of the University of California. All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# +# $Id: README,v 8.386 2005/03/04 23:24:08 ca Exp $ +# + +This directory contains the source files for sendmail(TM). + + ******************************************************************* + !! Read sendmail/SECURITY for important installation information !! + ******************************************************************* + + ********************************************************** + ** Read below for more details on building sendmail. ** + ********************************************************** + +************************************************************************** +** IMPORTANT: Read the appropriate paragraphs in the section on ** +** ``Operating System and Compile Quirks''. ** +************************************************************************** + +For detailed instructions, please read the document ../doc/op/op.me: + + cd ../doc/op ; make op.ps op.txt + +Sendmail is a trademark of Sendmail, Inc. + + ++-------------------+ +| BUILDING SENDMAIL | ++-------------------+ + +By far, the easiest way to compile sendmail is to use the "Build" +script: + + sh Build + +This uses the "uname" command to figure out what architecture you are +on and creates a proper Makefile accordingly. It also creates a +subdirectory per object format, so that multiarchitecture support is +easy. In general this should be all you need. IRIX 6.x users should +read the note below in the OPERATING SYSTEM AND COMPILE QUIRKS section. + +If you need to look at other include or library directories, use the +-I or -L flags on the command line, e.g., + + sh Build -I/usr/sww/include -L/usr/sww/lib + +It's also possible to create local site configuration in the file +site.config.m4 (or another file settable with the -f flag). This +file contains M4 definitions for various compilation values; the +most useful are: + +confMAPDEF -D flags to specify database types to be included + (see below) +confENVDEF -D flags to specify other environment information +confINCDIRS -I flags for finding include files during compilation +confLIBDIRS -L flags for finding libraries during linking +confLIBS -l flags for selecting libraries during linking +confLDOPTS other ld(1) linker options + +Others can be found by examining Makefile.m4. Please read +../devtools/README for more information about the site.config.m4 +file. + +You can recompile from scratch using the -c flag with the Build +command. This removes the existing compilation directory for the +current platform and builds a new one. The -c flag must also +be used if any site.*.m4 file in devtools/Site/ is changed. + +Porting to a new Unix-based system should be a matter of creating +an appropriate configuration file in the devtools/OS/ directory. + + ++----------------------+ +| DATABASE DEFINITIONS | ++----------------------+ + +There are several database formats that can be used for the alias files +and for general maps. When used for alias files they interact in an +attempt to be backward compatible. + +The options are: + +NEWDB The new Berkeley DB package. Some systems (e.g., BSD/OS and + Digital UNIX 4.0) have some version of this package + pre-installed. If your system does not have Berkeley DB + pre-installed, or the version installed is not version 2.0 + or greater (e.g., is Berkeley DB 1.85 or 1.86), get the + current version from http://www.sleepycat.com/. DO NOT + use a version from any of the University of California, + Berkeley "Net" or other distributions. If you are still + running BSD/386 1.x, you will need to upgrade the included + Berkeley DB library to a current version. NEWDB is included + automatically if the Build script can find a library named + libdb.a or libdb.so. + See also OPERATING SYSTEM AND COMPILE QUIRKS about Berkeley + DB versions, e.g., DB 4.1.x. +NDBM The older NDBM implementation -- the very old V7 DBM + implementation is no longer supported. +NIS Network Information Services. To use this you must have + NIS support on your system. +NISPLUS NIS+ (the revised NIS released with Solaris 2). You must + have NIS+ support on your system to use this flag. +HESIOD Support for Hesiod (from the DEC/Athena distribution). You + must already have Hesiod support on your system for this to + work. You may be able to get this to work with the MIT/Athena + version of Hesiod, but that's likely to be a lot of work. + BIND 8.X also includes Hesiod support. +LDAPMAP Lightweight Directory Access Protocol support. You will + have to install the UMich or OpenLDAP + (http://www.openldap.org/) ldap and lber libraries to use + this flag. +MAP_REGEX Regular Expression support. You will need to use an + operating system which comes with the POSIX regex() + routines or install a regexp library such as libregex from + the Free Software Foundation. +DNSMAP DNS map support. Requires NAMED_BIND. +PH_MAP PH map support. You will need the libphclient library from + the nph package (http://www-dev.cites.uiuc.edu/ph/nph/). +MAP_NSD nsd map support (IRIX 6.5 and later). +SOCKETMAP Support for a trivial query protocol over UNIX domain or TCP + sockets. + +>>> NOTE WELL for NEWDB support: If you want to get ndbm support, for +>>> Berkeley DB versions under 2.0, it is CRITICAL that you remove +>>> ndbm.o from libdb.a before you install it and DO NOT install ndbm.h; +>>> for Berkeley DB versions 2.0 through 2.3.14, remove dbm.o from libdb.a +>>> before you install it. If you don't delete these, there is absolutely +>>> no point to including -DNDBM, since it will just get you another +>>> (inferior) API to the same format database. These files OVERRIDE +>>> calls to ndbm routines -- in particular, if you leave ndbm.h in, +>>> you can find yourself using the new db package even if you don't +>>> define NEWDB. Berkeley DB versions later than 2.3.14 do not need +>>> to be modified. Please also consult the README in the top level +>>> directory of the sendmail distribution for other important information. +>>> +>>> Further note: DO NOT remove your existing /usr/include/ndbm.h -- +>>> you need that one. But do not install an updated ndbm.h in +>>> /usr/include, /usr/local/include, or anywhere else. + +If NEWDB and NDBM are defined (but not NIS), then sendmail will read +NDBM format alias files, but the next time a newaliases is run the +format will be converted to NEWDB; that format will be used forever +more. This is intended as a transition feature. + +If NEWDB, NDBM, and NIS are all defined and the name of the file includes +the string "/yp/", sendmail will rebuild BOTH the NEWDB and NDBM format +alias files. However, it will only read the NEWDB file; the NDBM format +file is used only by the NIS subsystem. This is needed because the NIS +maps on an NIS server are built directly from the NDBM files. + +If NDBM and NIS are defined (regardless of the definition of NEWDB), +and the filename includes the string "/yp/", sendmail adds the special +tokens "YP_LAST_MODIFIED" and "YP_MASTER_NAME", both of which are +required if the NDBM file is to be used as an NIS map. + +All of these flags are normally defined in a confMAPDEF setting in your +site.config.m4. + +If you define NEWDB or HESIOD you get the User Database (USERDB) +automatically. Generally you do want to have NEWDB for it to do +anything interesting. See above for getting the Berkeley DB +package (i.e., NEWDB). There is no separate "user database" +package -- don't bother searching for it on the net. + +Hesiod and LDAP require libraries that may not be installed with your +system. These are outside of my ability to provide support. See the +"Quirks" section for more information. + +The regex map can be used to see if an address matches a certain regular +expression. For example, all-numerics local parts are common spam +addresses, so "^[0-9]+$" would match this. By using such a map in a +check_* rule-set, you can block a certain range of addresses that would +otherwise be considered valid. + +The socket map uses a simple request/reply protocol over TCP or +UNIX domain sockets to query an external server. Both requests and +replies are text based and encoded as netstrings. The socket map +uses the same syntax as milters the specify the remote endpoint, +e.g.: + +Ksocket mySocketMap inet:12345@127.0.0.1 + +See doc/op/op.me for details. + ++---------------+ +| COMPILE FLAGS | ++---------------+ + +Wherever possible, I try to make sendmail pull in the correct +compilation options needed to compile on various environments based on +automatically defined symbols. Some machines don't seem to have useful +symbols available, requiring that a compilation flag be defined in +the Makefile; see the devtools/OS subdirectory for the supported +architectures. + +If you are a system to which sendmail has already been ported you +should not have to touch the following symbols. But if you are porting, +you may have to tweak the following compilation flags in conf.h in order +to get it to compile and link properly: + +SYSTEM5 Adjust for System V (not necessarily Release 4). +SYS5SIGNALS Use System V signal semantics -- the signal handler + is automatically dropped when the signal is caught. + If this is not set, use POSIX/BSD semantics, where the + signal handler stays in force until an exec or an + explicit delete. Implied by SYSTEM5. +SYS5SETPGRP Use System V setpgrp() semantics. Implied by SYSTEM5. +HASNICE Define this to zero if you lack the nice(2) system call. +HASRRESVPORT Define this to zero if you lack the rresvport(3) system call. +HASFCHMOD Define this to one if you have the fchmod(2) system call. + This improves security. +HASFCHOWN Define this to one if you have the fchown(2) system call. + This is required for the TrustedUser option if sendmail + must rebuild an (alias) map. +HASFLOCK Set this if you prefer to use the flock(2) system call + rather than using fcntl-based locking. Fcntl locking + has some semantic gotchas, but many vendor systems + also interface it to lockd(8) to do NFS-style locking. + Unfortunately, may vendors implementations of fcntl locking + is just plain broken (e.g., locks are never released, + causing your sendmail to deadlock; when the kernel runs + out of locks your system crashes). For this reason, I + recommend always defining this unless you are absolutely + certain that your fcntl locking implementation really works. +HASUNAME Set if you have the "uname" system call. Implied by + SYSTEM5. +HASUNSETENV Define this if your system library has the "unsetenv" + subroutine. +HASSETSID Define this if you have the setsid(2) system call. This + is implied if your system appears to be POSIX compliant. +HASINITGROUPS Define this if you have the initgroups(3) routine. +HASSETVBUF Define this if you have the setvbuf(3) library call. + If you don't, setlinebuf will be used instead. This + defaults on if your compiler defines __STDC__. +HASSETREUID Define this if you have setreuid(2) ***AND*** root can + use setreuid to change to an arbitrary user. This second + condition is not satisfied on AIX 3.x. You may find that + your system has setresuid(2), (for example, on HP-UX) in + which case you will also have to #define setreuid(r, e) + to be the appropriate call. Some systems (such as Solaris) + have a compatibility routine that doesn't work properly, + but may have "saved user ids" properly implemented so you + can ``#define setreuid(r, e) seteuid(e)'' and have it work. + The important thing is that you have a call that will set + the effective uid independently of the real or saved uid + and be able to set the effective uid back again when done. + There's a test program in ../test/t_setreuid.c that will + try things on your system. Setting this improves the + security, since sendmail doesn't have to read .forward + and :include: files as root. There are certain attacks + that may be unpreventable without this call. +USESETEUID Define this to 1 if you have a seteuid(2) system call that + will allow root to set only the effective user id to an + arbitrary value ***AND*** you have saved user ids. This is + preferable to HASSETREUID if these conditions are fulfilled. + These are the semantics of the to-be-released revision of + Posix.1. The test program ../test/t_seteuid.c will try + this out on your system. If you define both HASSETREUID + and USESETEUID, the former is ignored. +HASSETEGID Define this if you have setegid(2) and it can be + used to set the saved gid. Please run t_dropgid in + test/ if you are not sure whether the call works. +HASSETREGID Define this if you have setregid(2) and it can be + used to set the saved gid. Please run t_dropgid in + test/ if you are not sure whether the call works. +HASSETRESGID Define this if you have setresgid(2) and it can be + used to set the saved gid. Please run t_dropgid in + test/ if you are not sure whether the call works. +HASLSTAT Define this if you have symbolic links (and thus the + lstat(2) system call). This improves security. Unlike + most other options, this one is on by default, so you + need to #undef it in conf.h if you don't have symbolic + links (these days everyone does). +HASSETRLIMIT Define this to 1 if you have the setrlimit(2) syscall. + You can define it to 0 to force it off. It is assumed + if you are running a BSD-like system. +HASULIMIT Define this if you have the ulimit(2) syscall (System V + style systems). HASSETRLIMIT overrides, as it is more + general. +HASWAITPID Define this if you have the waitpid(2) syscall. +HASGETDTABLESIZE + Define this if you have the getdtablesize(2) syscall. +HAS_ST_GEN Define this to 1 if your system has the st_gen field in + the stat structure (see stat(2)). +HASSRANDOMDEV Define this if your system has the srandomdev(3) function + call. +HASURANDOMDEV Define this if your system has /dev/urandom(4). +HASSTRERROR Define this if you have the libc strerror(3) function (which + should be declared in ), and it should be used + instead of sys_errlist. +HASCLOSEFROM Define this if your system has closefrom(3). +HASFDWALK Define this if your system has fdwalk(3). +SM_CONF_GETOPT Define this as 0 if you need a reimplementation of getopt(3). + On some systems, getopt does very odd things if called + to scan the arguments twice. This flag will ask sendmail + to compile in a local version of getopt that works + properly. You may also need this if you build with + another library that introduces a non-standard getopt(3). +NEEDSTRTOL Define this if your standard C library does not define + strtol(3). This will compile in a local version. +NEEDFSYNC Define this if your standard C library does not define + fsync(2). This will try to simulate the operation using + fcntl(2); if that is not available it does nothing, which + isn't great, but at least it compiles and runs. +HASGETUSERSHELL Define this to 1 if you have getusershell(3) in your + standard C library. If this is not defined, or is defined + to be 0, sendmail will scan the /etc/shells file (no + NIS-style support, defaults to /bin/sh and /bin/csh if + that file does not exist) to get a list of unrestricted + user shells. This is used to determine whether users + are allowed to forward their mail to a program or a file. +NEEDPUTENV Define this if your system needs am emulation of the + putenv(3) call. Define to 1 to implement it in terms + of setenv(3) or to 2 to do it in terms of primitives. +NOFTRUNCATE Define this if you don't have the ftruncate(2) syscall. + If you don't have this system call, there is an unavoidable + race condition that occurs when creating alias databases. +GIDSET_T The type of entries in a gidset passed as the second + argument to getgroups(2). Historically this has been an + int, so this is the default, but some systems (such as + IRIX) pass it as a gid_t, which is an unsigned short. + This will make a difference, so it is important to get + this right! However, it is only an issue if you have + group sets. +SLEEP_T The type returned by the system sleep() function. + Defaults to "unsigned int". Don't worry about this + if you don't have compilation problems. +ARBPTR_T The type of an arbitrary pointer -- defaults to "void *". + If you are an very old compiler you may need to define + this to be "char *". +SOCKADDR_LEN_T The type used for the third parameter to accept(2), + getsockname(2), and getpeername(2), representing the + length of a struct sockaddr. Defaults to int. +SOCKOPT_LEN_T The type used for the fifth parameter to getsockopt(2) + and setsockopt(2), representing the length of the option + buffer. Defaults to int. +LA_TYPE The type of load average your kernel supports. These + can be one of: + LA_ZERO (1) -- it always returns the load average as + "zero" (and does so on all architectures). + LA_INT (2) to read /dev/kmem for the symbol avenrun and + interpret as a long integer. + LA_FLOAT (3) same, but interpret the result as a floating + point number. + LA_SHORT (6) to interpret as a short integer. + LA_SUBR (4) if you have the getloadavg(3) routine in your + system library. + LA_MACH (5) to use MACH-style load averages (calls + processor_set_info()), + LA_PROCSTR (7) to read /proc/loadavg and interpret it + as a string representing a floating-point + number (Linux-style). + LA_READKSYM (8) is an implementation suitable for some + versions of SVr4 that uses the MIOC_READKSYM ioctl + call to read /dev/kmem. + LA_DGUX (9) is a special implementation for DG/UX that uses + the dg_sys_info system call. + LA_HPUX (10) is an HP-UX specific version that uses the + pstat_getdynamic system call. + LA_IRIX6 (11) is an IRIX 6.x specific version that adapts + to 32 or 64 bit kernels; it is otherwise very similar + to LA_INT. + LA_KSTAT (12) uses the (Solaris-specific) kstat(3k) + implementation. + LA_DEVSHORT (13) reads a short from a system file (default: + /dev/table/avenrun) and scales it in the same manner + as LA_SHORT. + LA_LONGLONG (17) to read /dev/kmem for the symbol avenrun and + interpret as a long long integer (e.g., for 64 bit + systems). + LA_INT, LA_SHORT, LA_FLOAT, and LA_READKSYM have several + other parameters that they try to divine: the name of your + kernel, the name of the variable in the kernel to examine, + the number of bits of precision in a fixed point load average, + and so forth. LA_DEVSHORT uses _PATH_AVENRUN to find the + device to be read to find the load average. + In desperation, use LA_ZERO. The actual code is in + conf.c -- it can be tweaked if you are brave. +FSHIFT For LA_INT, LA_SHORT, and LA_READKSYM, this is the number + of bits of load average after the binary point -- i.e., + the number of bits to shift right in order to scale the + integer to get the true integer load average. Defaults to 8. +_PATH_UNIX The path to your kernel. Needed only for LA_INT, LA_SHORT, + and LA_FLOAT. Defaults to "/unix" on System V, "/vmunix" + everywhere else. +LA_AVENRUN For LA_INT, LA_SHORT, and LA_FLOAT, the name of the kernel + variable that holds the load average. Defaults to "avenrun" + on System V, "_avenrun" everywhere else. +SFS_TYPE Encodes how your kernel can locate the amount of free + space on a disk partition. This can be set to SFS_NONE + (0) if you have no way of getting this information, + SFS_USTAT (1) if you have the ustat(2) system call, + SFS_4ARGS (2) if you have a four-argument statfs(2) + system call (and the include file is ), + SFS_VFS (3), SFS_MOUNT (4), SFS_STATFS (5) if you have + the two-argument statfs(2) system call with includes in + , , or respectively, + or SFS_STATVFS (6) if you have the two-argument statvfs(2) + call. The default if nothing is defined is SFS_NONE. +SFS_BAVAIL with SFS_4ARGS you can also set SFS_BAVAIL to the field name + in the statfs structure that holds the useful information; + this defaults to f_bavail. +SPT_TYPE Encodes how your system can display what a process is doing + on a ps(1) command (SPT stands for Set Process Title). Can + be set to: + SPT_NONE (0) -- Don't try to set the process title at all. + SPT_REUSEARGV (1) -- Pad out your argv with the information; + this is the default if none specified. + SPT_BUILTIN (2) -- The system library has setproctitle. + SPT_PSTAT (3) -- Use the PSTAT_SETCMD option to pstat(2) + to set the process title; this is used by HP-UX. + SPT_PSSTRINGS (4) -- Use the magic PS_STRINGS pointer (4.4BSD). + SPT_SYSMIPS (5) -- Use sysmips() supported by NEWS-OS 6. + SPT_SCO (6) -- Write kernel u. area. + SPT_CHANGEARGV (7) -- Write pointers to our own strings into + the existing argv vector. +SPT_PADCHAR Character used to pad the process title; if undefined, + the space character (0x20) is used. This is ignored if + SPT_TYPE != SPT_REUSEARGV +ERRLIST_PREDEFINED + If set, assumes that some header file defines sys_errlist. + This may be needed if you get type conflicts on this + variable -- otherwise don't worry about it. +WAITUNION The wait(2) routine takes a "union wait" argument instead + of an integer argument. This is for compatibility with + old versions of BSD. +SCANF You can set this to extend the F command to accept a + scanf string -- this gives you a primitive parser for + class definitions -- BUT it can make you vulnerable to + core dumps if the target file is poorly formed. +SYSLOG_BUFSIZE You can define this to be the size of the buffer that + syslog accepts. If it is not defined, it assumes a + 1024-byte buffer. If the buffer is very small (under + 256 bytes) the log message format changes -- each + e-mail message will log many more messages, since it + will log each piece of information as a separate line + in syslog. +BROKEN_RES_SEARCH + On Ultrix (and maybe other systems?) if you use the + res_search routine with an unknown host name, it returns + -1 but sets h_errno to 0 instead of HOST_NOT_FOUND. If + you set this, sendmail considers 0 to be the same as + HOST_NOT_FOUND. +NAMELISTMASK If defined, values returned by nlist(3) are masked + against this value before use -- a common value is + 0x7fffffff to strip off the top bit. +BSD4_4_SOCKADDR If defined, socket addresses have an sa_len field that + defines the length of this address. +SAFENFSPATHCONF Set this to 1 if and only if you have verified that a + pathconf(2) call with _PC_CHOWN_RESTRICTED argument on an + NFS filesystem where the underlying system allows users to + give away files to other users returns <= 0. Be sure you + try both on NFS V2 and V3. Some systems assume that their + local policy apply to NFS servers -- this is a bad + assumption! The test/t_pathconf.c program will try this + for you -- you have to run it in a directory that is + mounted from a server that allows file giveaway. +SIOCGIFCONF_IS_BROKEN + Set this if your system has an SIOCGIFCONF ioctl defined, + but it doesn't behave the same way as "most" systems (BSD, + Solaris, SunOS, HP-UX, etc.) +SIOCGIFNUM_IS_BROKEN + Set this if your system has an SIOCGIFNUM ioctl defined, + but it doesn't behave the same way as "most" systems + (Solaris, HP-UX). +FAST_PID_RECYCLE + Set this if your system can reuse the same PID in the same + second. +SO_REUSEADDR_IS_BROKEN + Set this if your system has a setsockopt() SO_REUSEADDR + flag but doesn't pay attention to it when trying to bind a + socket to a recently closed port. +NEEDSGETIPNODE Set this if your system supports IPv6 but doesn't include + the getipnodeby{name,addr}() functions. Set automatically + for Linux's glibc. +PIPELINING Support SMTP PIPELINING (set by default). +USING_NETSCAPE_LDAP + Deprecated in favor of SM_CONF_LDAP_MEMFREE. See + libsm/README. +NEEDLINK Set this if your system doesn't have a link() call. It + will create a copy of the file instead of a hardlink. +USE_ENVIRON Set this to 1 to access process environment variables from + the external variable environ instead of the third + parameter of main(). +USE_DOUBLE_FORK By default this is on (1). Set it to 0 to suppress the + extra fork() used to avoid intermediate zombies. +ALLOW_255 Do not convert (char)0xff to (char)0x7f in headers etc. + This can also be done at runtime with the command line + option -d82.101. +NEEDINTERRNO Set this if does not declare errno, i.e., if an + application needs to use + extern int errno; +USE_TTYPATH Set this to 1 to enable ErrorMode=write. +USESYSCTL Use sysctl(3) to determine the number of CPUs in a system. + + ++-----------------------+ +| COMPILE-TIME FEATURES | ++-----------------------+ + +There are a bunch of features that you can decide to compile in, such +as selecting various database packages and special protocol support. +Several are assumed based on other compilation flags -- if you want to +"un-assume" something, you probably need to edit conf.h. Compilation +flags that add support for special features include: + +NDBM Include support for "new" DBM library for aliases and maps. + Normally defined in the Makefile. +NEWDB Include support for Berkeley DB package (hash & btree) + for aliases and maps. Normally defined in the Makefile. + If the version of NEWDB you have is the old one that does + not include the "fd" call (this call was added in version + 1.5 of the Berkeley DB code), you must upgrade to the + current version of Berkeley DB. +NIS Define this to get NIS (YP) support for aliases and maps. + Normally defined in the Makefile. +NISPLUS Define this to get NIS+ support for aliases and maps. + Normally defined in the Makefile. +HESIOD Define this to get Hesiod support for aliases and maps. + Normally defined in the Makefile. +NETINFO Define this to get NeXT NetInfo support for aliases and maps. + Normally defined in the Makefile. +LDAPMAP Define this to get LDAP support for maps. +PH_MAP Define this to get PH support for maps. +MAP_NSD Define this to get nsd support for maps. +USERDB Define this to 1 to include support for the User Information + Database. Implied by NEWDB or HESIOD. You can use + -DUSERDB=0 to explicitly turn it off. +IDENTPROTO Define this as 1 to get IDENT (RFC 1413) protocol support. + This is assumed unless you are running on Ultrix or + HP-UX, both of which have a problem in the UDP + implementation. You can define it to be 0 to explicitly + turn off IDENT protocol support. If defined off, the code + is actually still compiled in, but it defaults off; you + can turn it on by setting the IDENT timeout in the + configuration file. +IP_SRCROUTE Define this to 1 to get IP source routing information + displayed in the Received: header. This is assumed on + most systems, but some (e.g., Ultrix) apparently have a + broken version of getsockopt that doesn't properly + support the IP_OPTIONS call. You probably want this if + your OS can cope with it. Symptoms of failure will be that + it won't compile properly (that is, no support for fetching + IP_OPTIONs), or it compiles but source-routed TCP connections + either refuse to open or open and hang for no apparent reason. + Ultrix and AIX3 are known to fail this way. +LOG Set this to get syslog(3) support. Defined by default + in conf.h. You want this if at all possible. +NETINET Set this to get TCP/IP support. Defined by default + in conf.h. You probably want this. +NETINET6 Set this to get IPv6 support. Other configuration may + be needed in conf.h for your particular operating system. + Also, DaemonPortOptions must be set appropriately for + sendmail to accept IPv6 connections. +NETISO Define this to get ISO networking support. +NETUNIX Define this to get Unix domain networking support. Defined + by default. A few bizarre systems (SCO, ISC, Altos) don't + support this networking domain. +NETNS Define this to get NS networking support. +NETX25 Define this to get X.25 networking support. +NAMED_BIND If non-zero, include DNS (name daemon) support, including + MX support. The specs say you must use this if you run + SMTP. You don't have to be running a name server daemon + on your machine to need this -- any use of the DNS resolver, + including remote access to another machine, requires this + option. Defined by default in conf.h. Define it to zero + ONLY on machines that do not use DNS in any way. +MATCHGECOS Permit fuzzy matching of user names against the full + name (GECOS) field in the /etc/passwd file. This should + probably be on, since you can disable it from the config + file if you want to. Defined by default in conf.h. +MIME8TO7 If non-zero, include 8 to 7 bit MIME conversions. This + also controls advertisement of 8BITMIME in the ESMTP + startup dialogue. +MIME7TO8_OLD If 0 then use an algorithm for MIME 7-bit quoted-printable + or base64 encoding to 8-bit text that has been introduced + in 8.12.3. There are some examples where that code fails, + but the old code works. If you have an example of improper + 7 to 8 bit conversion please send it to sendmail-bugs. +MIME7TO8 If non-zero, include 7 to 8 bit MIME conversions. +HES_GETMAILHOST Define this to 1 if you are using Hesiod with the + hes_getmailhost() routine. This is included with the MIT + Hesiod distribution, but not with the DEC Hesiod distribution. +XDEBUG Do additional internal checking. These don't cost too + much; you might as well leave this on. +TCPWRAPPERS Turns on support for the TCP wrappers library (-lwrap). + See below for further information. +SECUREWARE Enable calls to the SecureWare luid enabling/changing routines. + SecureWare is a C2 security package added to several UNIX's + (notably ConvexOS) to get a C2 Secure system. This + option causes mail delivery to be done with the luid of the + recipient. +SHARE_V1 Support for the fair share scheduler, version 1. Setting to + 1 causes final delivery to be done using the recipients + resource limitations. So far as I know, this is only + supported on ConvexOS. +SASL Enables SMTP AUTH (RFC 2554). This requires the Cyrus SASL + library (ftp://ftp.andrew.cmu.edu/pub/cyrus-mail/). Please + install at least version 1.5.13. See below for further + information: SASL COMPILATION AND CONFIGURATION. If your + SASL library is older than 1.5.10, you have to set this + to its version number using a simple conversion: a.b.c + -> c + b*100 + a*10000, e.g. for 1.5.9 define SASL=10509. + Note: Using an older version than 1.5.5 of Cyrus SASL is + not supported. Starting with version 1.5.10, setting SASL=1 + is sufficient. Any value other than 1 (or 0) will be + compared with the actual version found and if there is a + mismatch, compilation will fail. +EGD Define this if your system has EGD installed, see + http://egd.sourceforge.net/ . It should be used to + seed the PRNG for STARTTLS if HASURANDOMDEV is not defined. +STARTTLS Enables SMTP STARTTLS (RFC 2487). This requires OpenSSL + (http://www.OpenSSL.org/); use OpenSSL 0.9.5a or later + (if compatible with this version), do not use 0.9.3. + See STARTTLS COMPILATION AND CONFIGURATION for further + information. +TLS_NO_RSA Turn off support for RSA algorithms in STARTTLS. +MILTER Turn on support for external filters using the Milter API; + this option is set by default, to turn it off use + APPENDDEF(`conf_sendmail_ENVDEF', `-DMILTER=0') + in devtools/Site/site.config.m4 (see devtools/README). + See libmilter/README for more information about milter. +REQUIRES_DIR_FSYNC Turn on support for file systems that require to + call fsync() for a directory if the meta-data in it has + been changed. This should be turned on at least for older + versions of ReiserFS; it is enabled by default for Linux. + According to some information this flag is not needed + anymore for kernel 2.4.16 and newer. We would appreciate + feedback about the semantics of the various file systems + available for Linux. + An alternative to this compile time flag is to mount the + queue directory without the -async option, or using + chattr +S on Linux. +DBMMODE The default file permissions to use when creating new + database files for maps and aliases. Defaults to 0640. + +Generic notice: If you enable a compile time option that needs +libraries or include files that don't come with sendmail or are +installed in a location that your C compiler doesn't use by default +you should set confINCDIRS and confLIBDIRS as explained in the +first section: BUILDING SENDMAIL. + + ++---------------------+ +| DNS/RESOLVER ISSUES | ++---------------------+ + +Many systems have old versions of the resolver library. At a minimum, +you should be running BIND 4.8.3; older versions may compile, but they +have known bugs that should give you pause. + +Common problems in old versions include "undefined" errors for +dn_skipname. + +Some people have had a problem with BIND 4.9; it uses some routines +that it expects to be externally defined such as strerror(). It may +help to link with "-l44bsd" to solve this problem. This has apparently +been fixed in later versions of BIND, starting around 4.9.3. In other +words, if you use 4.9.0 through 4.9.2, you need -l44bsd; for earlier or +later versions, you do not. + +!PLEASE! be sure to link with the same version of the resolver as +the header files you used -- some people have used the 4.9 headers +and linked with BIND 4.8 or vice versa, and it doesn't work. +Unfortunately, it doesn't fail in an obvious way -- things just +subtly don't work. + +WILDCARD MX RECORDS ARE A BAD IDEA! The only situation in which they +work reliably is if you have two versions of DNS, one in the real world +which has a wildcard pointing to your firewall, and a completely +different version of the database internally that does not include +wildcard MX records that match your domain. ANYTHING ELSE WILL GIVE +YOU HEADACHES! + +When attempting to canonify a hostname, some broken name servers will +return SERVFAIL (a temporary failure) on T_AAAA (IPv6) lookups. If you +want to excuse this behavior, include WorkAroundBrokenAAAA in +ResolverOptions. However, instead, we recommend catching the problem and +reporting it to the name server administrator so we can rid the world of +broken name servers. + + ++----------------------------------------+ +| STARTTLS COMPILATION AND CONFIGURATION | ++----------------------------------------+ + +Please read the documentation accompanying the OpenSSL library. You +have to compile and install the OpenSSL libraries before you can compile +sendmail. See devtools/README how to set the correct compile time +parameters; you should at least set the following variables: + +APPENDDEF(`conf_sendmail_ENVDEF', `-DSTARTTLS') +APPENDDEF(`conf_sendmail_LIBS', `-lssl -lcrypto') + +If you have installed the OpenSSL libraries and include files in +a location that your C compiler doesn't use by default you should +set confINCDIRS and confLIBDIRS as explained in the first section: +BUILDING SENDMAIL. + +Configuration information can be found in doc/op/op.me (required +certificates) and cf/README (how to tell sendmail about certificates). + +To perform an initial test, connect to your sendmail daemon +(telnet localhost 25) and issue a EHLO localhost and see whether +250-STARTTLS +is in the response. If it isn't, run the daemon with +-O LogLevel=14 +and try again. Then take a look at the logfile and see whether +there are any problems listed about permissions (unsafe files) +or the validity of X.509 certificates. + +From: Garrett Wollman + + If your certificate authority is hierarchical, and you only include + the top-level CA certificate in the CACertFile file, some mail clients + may be unable to infer the proper certificate chain when selecting a + client certificate. Including the bottom-level CA certificate(s) in + the CACertFile file will allow these clients to work properly. This + is not necessary if you are not using client certificates for + authentication, or if all your clients are running Sendmail or other + programs using the OpenSSL library (which get it right automatically). + In addition, some mail clients are totally incapable of using + certificate authentication -- even some of those which already support + SSL/TLS for confidentiality. + +Further information can be found via: +http://www.sendmail.org/tips/ + + ++------------------------------------+ +| SASL COMPILATION AND CONFIGURATION | ++------------------------------------+ + +Please read the documentation accompanying the Cyrus SASL library +(INSTALL and README). If you use Berkeley DB for Cyrus SASL then +you must compile sendmail with the same version of Berkeley DB. +See devtools/README for how to set the correct compile time parameters; +you should at least set the following variables: + +APPENDDEF(`conf_sendmail_ENVDEF', `-DSASL') +APPENDDEF(`conf_sendmail_LIBS', `-lsasl') + +If you have installed the Cyrus SASL library and include files in +a location that your C compiler doesn't use by default you should +set confINCDIRS and confLIBDIRS as explained in the first section: +BUILDING SENDMAIL. + +You have to select and install authentication mechanisms and tell +sendmail where to find the sasl library and the include files (see +devtools/README for the parameters to set). Set up the required +users and passwords as explained in the SASL documentation. See +also cf/README for authentication related options (especially +DefaultAuthInfo if you want authentication between MTAs). + +To perform an initial test, connect to your sendmail daemon +(telnet localhost 25) and issue a EHLO localhost and see whether +250-AUTH .... +is in the response. If it isn't, run the daemon with +-O LogLevel=14 +and try again. Then take a look at the logfile and see whether +there are any security related problems listed (unsafe files). + +Further information can be found via: +http://www.sendmail.org/tips/ + + ++-------------------------------------+ +| OPERATING SYSTEM AND COMPILE QUIRKS | ++-------------------------------------+ + +GCC problems + When compiling with "gcc -O -Wall" specify "-DSM_OMIT_BOGUS_WARNINGS" + too (see include/sm/cdefs.h for more info). + + ***************************************************************** + ** IMPORTANT: DO NOT USE OPTIMIZATION (``-O'') IF YOU ARE ** + ** RUNNING GCC 2.4.x or 2.5.x. THERE IS A BUG IN THE GCC ** + ** OPTIMIZER THAT CAUSES SENDMAIL COMPILES TO FAIL MISERABLY. ** + ***************************************************************** + + Jim Wilson of Cygnus believes he has found the problem -- it will + probably be fixed in GCC 2.5.6 -- but until this is verified, be + very suspicious of gcc -O. This problem is reported to have been + fixed in gcc 2.6. + + A bug in gcc 2.5.5 caused problems compiling sendmail 8.6.5 with + optimization on a Sparc. If you are using gcc 2.5.5, youi should + upgrade to the latest version of gcc. + + Apparently GCC 2.7.0 on the Pentium processor has optimization + problems. I recommend against using -O on that architecture. This + has been seen on FreeBSD 2.0.5 RELEASE. + + Solaris 2.X users should use version 2.7.2.3 over 2.7.2. + + We have been told there are problems with gcc 2.8.0. If you are + using this version, you should upgrade to 2.8.1 or later. + +Berkeley DB + Berkeley DB 4.1.x with x <= 24 does not work with sendmail. + You need at least 4.1.25. + +GDBM GDBM does not work with sendmail because the additional + security checks and file locking cause problems. Unfortunately, + gdbm does not provide a compile flag in its version of ndbm.h so + the code can adapt. Until the GDBM authors can fix these problems, + GDBM will not be supported. Please use Berkeley DB instead. + +Configuration file location + Up to 8.6, sendmail tried to find the sendmail.cf file in the same + place as the vendors had put it, even when this was obviously + stupid. As of 8.7, sendmail ALWAYS looks for /etc/sendmail.cf. + Beginning with 8.10, sendmail uses /etc/mail/sendmail.cf. + You can get sendmail to use the stupid vendor .cf location by + adding -DUSE_VENDOR_CF_PATH during compilation, but this may break + support programs and scripts that need to find sendmail.cf. You + are STRONGLY urged to use symbolic links if you want to use the + vendor location rather than changing the location in the sendmail + binary. + + NETINFO systems use NETINFO to determine the location of + sendmail.cf. The full path to sendmail.cf is stored as the value of + the "sendmail.cf" property in the "/locations/sendmail" + subdirectory of NETINFO. Set the value of this property to + "/etc/mail/sendmail.cf" (without the quotes) to use this new + default location for Sendmail 8.10.0 and higher. + +ControlSocket permissions + Paraphrased from BIND 8.2.1's README: + + Solaris and other pre-4.4BSD kernels do not respect ownership or + protections on UNIX-domain sockets. The short term fix for this is to + override the default path and put such control sockets into root- + owned directories which do not permit non-root to r/w/x through them. + The long term fix is for all kernels to upgrade to 4.4BSD semantics. + +HP MPE/iX + The MPE-specific code within sendmail emulates a set-user-id root + environment for the sendmail binary. But there is no root uid 0 on + MPE, nor is there any support for set-user-id programs. Even when + sendmail thinks it is running as uid 0, it will still have the file + access rights of the underlying non-zero uid, but because sendmail is + an MPE priv-mode program it will still be able to call setuid() to + successfully switch to a new uid. + + MPE setgid() semantics don't quite work the way sendmail expects, so + special emulation is done here also. + + This uid/gid emulation is enabled via the setuid/setgid file mode bits + which are not currently used by MPE. Code in libsm/mpeix.c examines + these bits and enables emulation if they have been set, i.e., + chmod u+s,g+s /SENDMAIL/CURRENT/SENDMAIL. + +SunOS 4.x (Solaris 1.x) + You may have to use -lresolv on SunOS. However, beware that + this links in a new version of gethostbyname that does not + understand NIS, so you must have all of your hosts in DNS. + + Some people have reported problems with the SunOS version of + -lresolv and/or in.named, and suggest that you get a newer + version. The symptoms are delays when you connect to the + SMTP server on a SunOS machine or having your domain added to + addresses inappropriately. There is a version of BIND + version 4.9 on gatekeeper.DEC.COM in pub/BSD/bind/4.9. + + There is substantial disagreement about whether you can make + this work with resolv+, which allows you to specify a search-path + of services. Some people report that it works fine, others + claim it doesn't work at all (including causing sendmail to + drop core when it tries to do multiple resolv+ lookups for a + single job). I haven't tried resolv+, as we use DNS exclusively. + + Should you want to try resolv+, it is on ftp.uu.net in + /networking/ip/dns. + + Apparently getservbyname() can fail under moderate to high + load under some circumstances. This will exhibit itself as + the message ``554 makeconnection: service "smtp" unknown''. + The problem has been traced to one or more blank lines in + /etc/services on the NIS server machine. Delete these + and it should work. This info is thanks to Brian Bartholomew + of I-Kinetics, Inc. + + NOTE: The SunOS 4.X linker uses library paths specified during + compilation using -L for run-time shared library searches. + Therefore, it is vital that relative and unsafe directory paths not + be used when compiling sendmail. + +SunOS 4.0.2 (Sun 386i) + Date: Fri, 25 Aug 1995 11:13:58 +0200 (MET DST) + From: teus@oce.nl + + Sendmail 8.7.Beta.12 compiles and runs nearly out of the box with the + following changes: + * Don't use /usr/5bin in your PATH, but make /usr/5bin/uname + available as "uname" command. + * Use the defines "-DBSD4_3 -DNAMED_BIND=0" in + devtools/OS/SunOS.4.0, which is selected via the "uname" command. + I recommend to make available the db-library on the system first + (and change the Makefile to use this library). + Note that the sendmail.cf and aliases files are found in /etc. + +SunOS 4.1.3, 4.1.3_U1 + Sendmail causes crashes on SunOS 4.1.3 and 4.1.3_U1. According + to Sun bug number 1077939: + + If an application does a getsockopt() on a SOCK_STREAM (TCP) socket + after the other side of the connection has sent a TCP RESET for + the stream, the kernel gets a Bus Trap in the tcp_ctloutput() or + ip_ctloutput() routine. + + For 4.1.3, this is fixed in patch 100584-08, available on the + Sunsolve 2.7.1 or later CDs. For 4.1.3_U1, this was fixed in patch + 101790-01 (SunOS 4.1.3_U1: TCP socket and reset problems), later + obsoleted by patch 102010-05. + + Sun patch 100584-08 is not currently publicly available on their + ftp site but a user has reported it can be found at other sites + using a web search engine. + +Solaris 2.x (SunOS 5.x) + To compile for Solaris, the Makefile built by Build must + include a SOLARIS definition which reflects the Solaris version + (i.e. -DSOLARIS=20400 for 2.4 or -DSOLARIS=20501 for 2.5.1). + If you are using gcc, make sure -I/usr/include is not used (or + it might complain about TopFrame). If you are using Sun's cc, + make sure /opt/SUNWspro/bin/cc is used instead of /usr/ucb/cc + (or it might complain about tm_zone). + + The Solaris 2.x (x <= 3) "syslog" function is apparently limited + to something about 90 characters because of a kernel limitation. + If you have source code, you can probably up this number. You + can get patches that fix this problem: the patch ids are: + + Solaris 2.1 100834 + Solaris 2.2 100999 + Solaris 2.3 101318 + + Be sure you have the appropriate patch installed or you won't + see system logging. + +Solaris 2.4 (SunOS 5.4) + If you include /usr/lib at the end of your LD_LIBRARY_PATH you run + the risk of getting the wrong libraries under some circumstances. + This is because of a new feature in Solaris 2.4, described by + Rod.Evans@Eng.Sun.COM: + + >> Prior to SunOS 5.4, any LD_LIBRARY_PATH setting was ignored by the + >> runtime linker if the application was setxid (secure), thus your + >> applications search path would be: + >> + >> /usr/local/lib LD_LIBRARY_PATH component - IGNORED + >> /usr/lib LD_LIBRARY_PATH component - IGNORED + >> /usr/local/lib RPATH - honored + >> /usr/lib RPATH - honored + >> + >> the effect is that path 3 would be the first used, and this would + >> satisfy your resolv.so lookup. + >> + >> In SunOS 5.4 we made the LD_LIBRARY_PATH a little more flexible. + >> People who developed setxid applications wanted to be able to alter + >> the library search path to some degree to allow for their own + >> testing and debugging mechanisms. It was decided that the only + >> secure way to do this was to allow a `trusted' path to be used in + >> LD_LIBRARY_PATH. The only trusted directory we presently define + >> is /usr/lib. Thus a set-user-ID root developer could play with some + >> alternative shared object implementations and place them in + >> /usr/lib (being root we assume they'ed have access to write in this + >> directory). This change was made as part of 1155380 - after a + >> *huge* amount of discussion regarding the security aspect of things. + >> + >> So, in SunOS 5.4 your applications search path would be: + >> + >> /usr/local/lib from LD_LIBRARY_PATH - IGNORED (untrustworthy) + >> /usr/lib from LD_LIBRARY_PATH - honored (trustworthy) + >> /usr/local/lib from RPATH - honored + >> /usr/lib from RPATH - honored + >> + >> here, path 2 would be the first used. + +Solaris 2.5.1 (SunOS 5.5.1) and 2.6 (SunOS 5.6) + Apparently Solaris 2.5.1 patch 103663-01 installs a new + /usr/include/resolv.h file that defines the __P macro without + checking to see if it is already defined. This new resolv.h is also + included in the Solaris 2.6 distribution. This causes compile + warnings such as: + + In file included from daemon.c:51: + /usr/include/resolv.h:208: warning: `__P' redefined + cdefs.h:58: warning: this is the location of the previous definition + + These warnings can be safely ignored or you can create a resolv.h + file in the obj.SunOS.5.5.1.* or obj.SunOS.5.6.* directory that reads: + + #undef __P + #include "/usr/include/resolv.h" + + This problem was fixed in Solaris 7 (Sun bug ID 4081053). + +Solaris 7 (SunOS 5.7) + Solaris 7 includes LDAP libraries but the implementation was + lacking a few things. The following settings can be placed in + devtools/Site/site.SunOS.5.7.m4 if you plan on using those + libraries. + + APPENDDEF(`confMAPDEF', `-DLDAPMAP') + APPENDDEF(`confENVDEF', `-DLDAP_VERSION_MAX=3') + APPENDDEF(`confLIBS', `-lldap') + + Also, Sun's patch 107555 is needed to prevent a crash in the call + to ldap_set_option for LDAP_OPT_REFERRALS in ldapmap_setopts if + LDAP support is compiled in sendmail. + +Solaris 8 and later (SunOS 5.8 and later) + Solaris 8 and later can optionally install LDAP support. If you + have installed the Entire Distribution meta-cluster, you can use + the following in devtools/Site/site.SunOS.5.8.m4 (or other + appropriately versioned file) to enable LDAP: + + APPENDDEF(`confMAPDEF', `-DLDAPMAP') + APPENDDEF(`confLIBS', `-lldap') + +Solaris 9 and later (SunOS 5.9 and later) + Solaris 9 and later have a revised LDAP library, libldap.so.5, + which is derived from a Netscape implementation, thus requiring + that SM_CONF_LDAP_MEMFREE be defined in conjunction with LDAPMAP: + + APPENDDEF(`confMAPDEF', `-DLDAPMAP') + APPENDDEF(`confENVDEF', `-DSM_CONF_LDAP_MEMFREE') + APPENDDEF(`confLIBS', `-lldap') + +Solaris + If you are using dns for hostname resolution on Solaris, make sure + that the 'dns' entry is last on the hosts line in + '/etc/nsswitch.conf'. For example, use: + + hosts: nisplus files dns + + Do not use: + + hosts: nisplus dns [NOTFOUND=return] files + + Note that 'nisplus' above is an illustration. The same comment + applies no matter what naming services you are using. If you have + anything other than dns last, even after "[NOTFOUND=return]", + sendmail may not be able to determine whether an error was + temporary or permanent. The error returned by the solaris + gethostbyname() is the error for the last lookup used, and other + naming services do not have the same concept of temporary failure. + +Ultrix + By default, the IDENT protocol is turned off on Ultrix. If you + are running Ultrix 4.4 or later, or if you have included patch + CXO-8919 for Ultrix 4.2 or 4.3 to fix the TCP problem, you can turn + IDENT on in the configuration file by setting the "ident" timeout. + + The Ultrix 4.5 Y2K patch (ULTV45-022-1) has changed the resolver + included in libc.a. Unfortunately, the __RES symbol hasn't changed + and therefore, sendmail can no longer automatically detect the + newer version. If you get a compiler error: + + /lib/libc.a(gethostent.o): local_hostname_length: multiply defined + + Then rebuild with this in devtools/Site/site.ULTRIX.m4: + + APPENDDEF(`conf_sendmail_ENVDEF', `-DNEEDLOCAL_HOSTNAME_LENGTH=0') + +Digital UNIX (formerly DEC OSF/1) + If you are compiling on OSF/1 (DEC Alpha), you must use + -L/usr/shlib (otherwise it core dumps on startup). You may also + need -mld to get the nlist() function, although some versions + apparently don't need this. + + Also, the enclosed makefile removed /usr/sbin/smtpd; if you need + it, just create the link to the sendmail binary. + + On DEC OSF/1 3.2 or earlier, the MatchGECOS option doesn't work + properly due to a bug in the getpw* routines. If you want to use + this, use -DDEC_OSF_BROKEN_GETPWENT=1. The problem is fixed in 3.2C. + + Digital's mail delivery agent, /bin/mail (aka /bin/binmail), will + only preserve the envelope sender in the "From " header if + DefaultUserID is set to daemon. Setting this to mailnull will + cause all mail to have the header "From mailnull ...". To use + a different DefaultUserID, you will need to use a different mail + delivery agent (such as mail.local found in the sendmail + distribution). + + On Digital UNIX 4.0 and later, Berkeley DB 1.85 is included with the + operating system and already has the ndbm.o module removed. However, + Digital has modified the original Berkeley DB db.h include file. + This results in the following warning while compiling map.c and udb.c: + + cc: Warning: /usr/include/db.h, line 74: The redefinition of the macro + "__signed" conflicts with a current definition because the replacement + lists differ. The redefinition is now in effect. + #define __signed signed + ------------------------^ + + This warning can be ignored. + + Digital UNIX's linker checks /usr/ccs/lib/ before /usr/lib/. + If you have installed a new version of BIND in /usr/include + and /usr/lib, you will experience difficulties as Digital ships + libresolv.a in /usr/ccs/lib/ as well. Be sure to replace both + copies of libresolv.a. + +IRIX + The header files on SGI IRIX are completely prototyped, and as + a result you can sometimes get some warning messages during + compilation. These can be ignored. There are two errors in + deliver only if you are using gcc, both of the form ``warning: + passing arg N of `execve' from incompatible pointer type''. + Also, if you compile with -DNIS, you will get a complaint + about a declaration of struct dom_binding in a prototype + when compiling map.c; this is not important because the + function being prototyped is not used in that file. + + In order to compile sendmail you will have had to install + the developers' option in order to get the necessary include + files. + + If you compile with -lmalloc (the fast memory allocator), you may + get warning messages such as the following: + + ld32: WARNING 85: definition of _calloc in /usr/lib32/libmalloc.so + preempts that definition in /usr/lib32/mips3/libc.so. + ld32: WARNING 85: definition of _malloc in /usr/lib32/libmalloc.so + preempts that definition in /usr/lib32/mips3/libc.so. + ld32: WARNING 85: definition of _realloc in /usr/lib32/libmalloc.so + preempts that definition in /usr/lib32/mips3/libc.so. + ld32: WARNING 85: definition of _free in /usr/lib32/libmalloc.so + preempts that definition in /usr/lib32/mips3/libc.so. + ld32: WARNING 85: definition of _cfree in /usr/lib32/libmalloc.so + preempts that definition in /usr/lib32/mips3/libc.so. + + These are unavoidable and innocuous -- just ignore them. + + According to Dave Sill , there is a version of the + Berkeley DB library patched to run on Irix 6.2 available from + http://reality.sgi.com/ariel/freeware/#db . + +IRIX 6.x + If you are using XFS filesystem, avoid using the -32 ABI switch to + the cc compiler if possible. + + Broken inet_aton and inet_ntoa on IRIX using gcc: There's + a problem with gcc on IRIX, i.e., gcc can't pass structs + less than 16 bits long unless they are 8 bits; IRIX 6.2 has + some other sized structs. See + http://www.bitmechanic.com/mail-archives/mysql/current/0418.html + This problem seems to be fixed by gcc v2.95.2, gcc v2.8.1 + is reported as broken. Check your gcc version for this bug + before installing sendmail. + +IRIX 6.4 + The IRIX 6.5.4 version of /bin/m4 does not work properly with + sendmail. Either install fw_m4.sw.m4 off the Freeware_May99 CD and + use /usr/freeware/bin/m4 or install and use GNU m4. + +NeXT or NEXTSTEP + NEXTSTEP 3.3 and earlier ship with the old DBM library. Also, + Berkeley DB does not currently run on NEXTSTEP. + + If you are compiling on NEXTSTEP, you will have to create an + empty file "unistd.h" and create a file "dirent.h" containing: + + #include + #define dirent direct + + (devtools/OS/NeXT should try to do both of these for you.) + + Apparently, there is a bug in getservbyname on Nextstep 3.0 + that causes it to fail under some circumstances with the + message "SYSERR: service "smtp" unknown" logged. You should + be able to work around this by including the line: + + OOPort=25 + + in your .cf file. + +BSDI (BSD/386) 1.0, NetBSD 0.9, FreeBSD 1.0 + The "m4" from BSDI won't handle the config files properly. + I haven't had a chance to test this myself. + + The M4 shipped in FreeBSD and NetBSD 0.9 don't handle the config + files properly. One must use either GNU m4 1.1 or the PD-M4 + recently posted in comp.os.386bsd.bugs (and maybe others). + NetBSD-current includes the PD-M4 (as stated in the NetBSD file + CHANGES). + + FreeBSD 1.0 RELEASE has uname(2) now. Use -DUSEUNAME in order to + use it (look into devtools/OS/FreeBSD). NetBSD-current may have + it too but it has not been verified. + + The latest version of Berkeley DB uses a different naming + scheme than the version that is supplied with your release. This + means you will be able to use the current version of Berkeley DB + with sendmail as long you use the new db.h when compiling + sendmail and link it against the new libdb.a or libdb.so. You + should probably keep the original db.h in /usr/include and the + new db.h in /usr/local/include. + +4.3BSD + If you are running a "virgin" version of 4.3BSD, you'll have + a very old resolver and be missing some header files. The + header files are simple -- create empty versions and everything + will work fine. For the resolver you should really port a new + version (4.8.3 or later) of the resolver; 4.9 is available on + gatekeeper.DEC.COM in pub/BSD/bind/4.9. If you are really + determined to continue to use your old, buggy version (or as + a shortcut to get sendmail working -- I'm sure you have the + best intentions to port a modern version of BIND), you can + copy ../contrib/oldbind.compat.c into sendmail and add the + following to devtools/Site/site.config.m4: + + APPENDDEF(`confOBJADD', `oldbind.compat.o') + +OpenBSD (up to 2.9 Release), NetBSD, FreeBSD (up to 4.3-RELEASE) + m4 from *BSD won't handle libsm/Makefile.m4 properly, since the + maximum length for strings is too short. You need to use GNU m4 + or patch m4, see for example: + http://FreeBSD.org/cgi/cvsweb.cgi/src/usr.bin/m4/eval.c.diff?r1=1.11&r2=1.12 + +A/UX + Date: Tue, 12 Oct 1993 18:28:28 -0400 (EDT) + From: "Eric C. Hagberg" + Subject: Fix for A/UX ndbm + + I guess this isn't really a sendmail bug, however, it is something + that A/UX users should be aware of when compiling sendmail 8.6. + + Apparently, the calls that sendmail is using to the ndbm routines + in A/UX 3.0.x contain calls to "broken" routines, in that the + aliases database will break when it gets "just a little big" + (sorry I don't have exact numbers here, but it broke somewhere + around 20-25 aliases for me.), making all aliases non-functional + after exceeding this point. + + What I did was to get the gnu-dbm-1.6 package, compile it, and + then re-compile sendmail with "-lgdbm", "-DNDBM", and using the + ndbm.h header file that comes with the gnu-package. This makes + things behave properly. + [NOTE: see comment above about GDBM] + + I suppose porting the New Berkeley DB package is another route, + however, I made a quick attempt at it, and found it difficult + (not easy at least); the gnu-dbm package "configured" and + compiled easily. + + [NOTE: Berkeley DB version 2.X runs on A/UX and can be used for + database maps.] + +SCO Unix + From: Thomas Essebier + Organisation: Stallion Technologies Pty Ltd. + + It will probably help those who are trying to configure sendmail 8.6.9 + to know that if they are on SCO, they had better set + OI-dnsrch + or they will core dump as soon as they try to use the resolver. + i.e., although SCO has _res.dnsrch defined, and is kinda BIND 4.8.3, + it does not inititialise it, nor does it understand 'search' in + /etc/named.boot. + - sigh - + + According to SCO, the m4 which ships with UnixWare 2.1.2 is broken. + We recommend installing GNU m4 before attempting to build sendmail. + + On some versions a bogus error value is listed if connections + time out (large negative number). To avoid this explicitly set + Timeout.connect to a reasonable value (several minutes). + +DG/UX + Doug Anderson has successfully run + V8 on the DG/UX 5.4.2 and 5.4R3.x platforms under heavy usage. + Originally, the DG /bin/mail program wasn't compatible with + the V8 sendmail, since the DG /bin/mail requires the environment + variable "_FORCE_MAIL_LOCAL_=yes" be set. Version 8.7 now includes + this in the environment before invoking the local mailer. Some + have used procmail to avoid this problem in the past. It works + but some have experienced file locking problems with their DG/UX + ports of procmail. + +Apollo DomainOS + If you are compiling on Apollo, you will have to create an empty + file "unistd.h" (for DomainOS 10.3 and earlier) and create a file + "dirent.h" containing: + + #include + #define dirent direct + + (devtools/OS/DomainOS will attempt to do both of these for you.) + +HP-UX 8.00 + Date: Mon, 24 Jan 1994 13:25:45 +0200 + From: Kimmo Suominen + Subject: 8.6.5 w/ HP-UX 8.00 on s300 + + Just compiled and fought with sendmail 8.6.5 on a HP9000/360 (i.e., + a series 300 machine) running HP-UX 8.00. + + I was getting segmentation fault when delivering to a local user. + With debugging I saw it was faulting when doing _free@libc... *sigh* + It seems the new implementation of malloc on s300 is buggy as of 8.0, + so I tried out the one in -lmalloc (malloc(3X)). With that it seems + to work just dandy. + + When linking, you will get the following error: + + ld: multiply defined symbol _freespace in file /usr/lib/libmalloc.a + + but you can just ignore it. You might want to add this info to the + README file for the future... + +Linux + Something broke between versions 0.99.13 and 0.99.14 of Linux: the + flock() system call gives errors. If you are running .14, you must + not use flock. You can do this with -DHASFLOCK=0. We have also + been getting complaints since version 2.4.X was released. + sendmail 8.13 has changed the default locking method to fcntl() + for Linux kernel version 2.4 and later. Be sure to update other + sendmail related programs to match locking techniques (some + examples, besides makemap and mail.local, include procmail, mailx, + mutt, elm, etc). + + Around the inclusion of bind-4.9.3 & Linux libc-4.6.20, the + initialization of the _res structure changed. If /etc/hosts.conf + was configured as "hosts, bind" the resolver code could return + "Name server failure" errors. This is supposedly fixed in + later versions of libc (>= 4.6.29?), and later versions of + sendmail (> 8.6.10) try to work around the problem. + + Some older versions (< 4.6.20?) of the libc/include files conflict + with sendmail's version of cdefs.h. Deleting sendmail's version + on those systems should be non-harmful, and new versions don't care. + + NOTE ON LINUX & BIND: By default, the Makefile generated for Linux + includes header files in /usr/local/include and libraries in + /usr/local/lib. If you've installed BIND on your system, the header + files typically end up in the search path and you need to add + "-lresolv" to the LIBS line in your Makefile. Really old versions + may need to include "-l44bsd" as well (particularly if the link phase + complains about missing strcasecmp, strncasecmp or strpbrk). + Complaints about an undefined reference to `__dn_skipname' in + domain.o are a sure sign that you need to add -lresolv to LIBS. + Newer versions of Linux are basically threaded BIND, so you may or + may not see complaints if you accidentally mix BIND + headers/libraries with virginal libc. If you have BIND headers in + /usr/local/include (resolv.h, etc) you *should* be adding -lresolv + to LIBS. Data structures may change and you'd be asking for a + core dump. + + A number of problems have been reported regarding the Linux 2.2.0 + kernel. So far, these problems have been tracked down to syslog() + and DNS resolution. We believe the problem is with the poll() + implementation in the Linux 2.2.0 kernel and poll()-aware versions + of glib (at least up to 2.0.111). + +glibc + glibc 2.2.1 (and possibly other versions) changed the value of + __RES in resolv.h but failed to actually provide the IPv6 API + changes that the change implied. Therefore, compiling with + -DNETINET6 fails. + + Workarounds: + 1) Compile without -DNETINET6 + 2) Build against a real BIND 8.2.2 include/lib tree + 3) Wait for glibc to fix it + +AIX 4.X + The AIX 4.X linker uses library paths specified during compilation + using -L for run-time shared library searches. Therefore, it is + vital that relative and unsafe directory paths not be using when + compiling sendmail. Because of this danger, by default, compiles + on AIX use the -blibpath option to limit shared libraries to + /usr/lib and /lib. If you need to allow more directories, such as + /usr/local/lib, modify your devtools/Site/site.AIX.4.2.m4, + site.AIX.4.3.m4, and/or site.AIX.4.x.m4 file(s) and set confLDOPTS + appropriately. For example: + + define(`confLDOPTS', `-blibpath:/usr/lib:/lib:/usr/local/lib') + + Be sure to only add (safe) system directories. + + The AIX version of GNU ld also exhibits this problem. If you are + using that version, instead of -blibpath, use its -rpath option. + For example: + + gcc -Wl,-rpath /usr/lib -Wl,-rpath /lib -Wl,-rpath /usr/local/lib + +AIX 4.X If the test program t-event (and most others) in libsm fails, + check your compiler settings. It seems that the flags -qnoro or + -qnoroconst on some AIX versions trigger a compiler bug. Check + your compiler settings or use cc instead of xlc. + +AIX 4.0-4.2, maybe some AIX 4.3 versions + The AIX m4 implements a different mechanism for ifdef which is + inconsistent with other versions of m4. Therefore, it will not + work properly with the sendmail Build architecture or m4 + configuration method. To work around this problem, please use + GNU m4 from ftp://ftp.gnu.org/pub/gnu/. + The problem seems to be solved in AIX 4.3.3 at least. + +AIX 4.3.3 + From: Valdis.Kletnieks@vt.edu + Date: Sun, 02 Jul 2000 03:58:02 -0400 + + Under AIX 4.3.3, after applying bos.adt.include 4.3.3.12 to close the + BIND 8.2.2 security holes, you can no longer build with -DNETINET6 + because they changed the value of __RES in resolv.h but failed to + actually provide the API changes that the change implied. + + Workarounds: + 1) Compile without -DNETINET6 + 2) Build against a real BIND 8.2.2 include/lib tree + 3) Wait for IBM to fix it + +AIX 3.x + This version of sendmail does not support MB, MG, and MR resource + records, which are supported by AIX sendmail. + + Several people have reported that the IBM-supplied named returns + fairly random results -- the named should be replaced. It is not + necessary to replace the resolver, which will simplify installation. + A new BIND resolver can be found at http://www.isc.org/isc/. + +AIX 3.1.x + The supplied load average code only works correctly for AIX 3.2.x. + For 3.1, use -DLA_TYPE=LA_SUBR and get the latest ``monitor'' + package by Jussi Maki from ftp.funet.fi in the + directory pub/unix/AIX/rs6000/monitor-1.12.tar.Z; use the loadavgd + daemon, and the getloadavg subroutine supplied with that package. + If you don't care about load average throttling, just turn off + load average checking using -DLA_TYPE=LA_ZERO. + +RISC/os + RISC/os from MIPS is a merged AT&T/Berkeley system. When you + compile on that platform you will get duplicate definitions + on many files. You can ignore these. + +System V Release 4 Based Systems + There is a single devtools OS that is intended for all SVR4-based + systems (built from devtools/OS/SVR4). It defines __svr4__, + which is predefined by some compilers. If your compiler already + defines this compile variable, you can delete the definition from + the generated Makefile or create a devtools/Site/site.config.m4 + file. + + It's been tested on Dell Issue 2.2. + +DELL SVR4 + Date: Mon, 06 Dec 1993 10:42:29 EST + From: "Kimmo Suominen" + Message-ID: <2d0352f9.lento29@lento29.UUCP> + To: eric@cs.berkeley.edu + Cc: sendmail@cs.berkeley.edu + Subject: Notes for DELL SVR4 + + Eric, + + Here are some notes for compiling Sendmail 8.6.4 on DELL SVR4. I ran + across these things when helping out some people who contacted me by + e-mail. + + 1) Use gcc 2.4.5 (or later?). Dell distributes gcc 2.1 with their + Issue 2.2 Unix. It is too old, and gives you problems with + clock.c, because sigset_t won't get defined in . + This is due to a problematic protection rule in there, and is + fixed with gcc 2.4.5. + + 2) If you don't use the new Berkeley DB (-DNEWDB), then you need + to add "-lc -lucb" to the libraries to link with. This is because + the -ldbm distributed by Dell needs the bcopy, bcmp and bzero + functions. It is important that you specify both libraries in + the given order to be sure you only get the BSTRING functions + from the UCB library (and not the signal routines etc.). + + 3) Don't leave out "-lelf" even if compiling with "-lc -lucb". + The UCB library also has another copy of the nlist routines, + but we do want the ones from "-lelf". + + If anyone needs a compiled gcc 2.4.5 and/or a ported DB library, they + can use anonymous ftp to fetch them from lut.fi in the /kim directory. + They are copies of what I use on grendel.lut.fi, and offering them + does not imply that I would also support them. I have sent the DB + port for SVR4 back to Keith Bostic for inclusion in the official + distribution, but I haven't heard anything from him as of today. + + - gcc-2.4.5-svr4.tar.gz (gcc 2.4.5 and the corresponding libg++) + - db-1.72.tar.gz (with source, objects and a installed copy) + + Cheers + + Kim + -- + * Kimmo.Suominen@lut.fi * SysVr4 enthusiast at GRENDEL.LUT.FI * + * KIM@FINFILES.BITNET * Postmaster and Hostmaster at LUT.FI * + * + 358 200 865 718 * Unix area moderator at NIC.FUNET.FI * + +ConvexOS 10.1 and below + In order to use the name server, you must create the file + /etc/use_nameserver. If this file does not exist, the call + to res_init() will fail and you will have absolutely no + access to DNS, including MX records. + +Amdahl UTS 2.1.5 + In order to get UTS to work, you will have to port BIND 4.9. + The vendor's BIND is reported to be ``totally inadequate.'' + See sendmail/contrib/AmdahlUTS.patch for the patches necessary + to get BIND 4.9 compiled for UTS. + +UnixWare + According to Alexander Kolbasov , + the m4 on UnixWare 2.0 (still in Beta) will core dump on the + config files. GNU m4 and the m4 from UnixWare 1.x both work. + + According to Larry Rosenman : + + UnixWare 2.1.[23]'s m4 chokes (not obviously) when + processing the 8.9.0 cf files. + + I had a LOCAL_RULE_0 that wound up AFTER the + SBasic_check_rcpt rules using the SCO supplied M4. + GNU M4 works fine. + +UNICOS 8.0.3.4 + Some people have reported that the -O flag on UNICOS can cause + problems. You may want to turn this off if you have problems + running sendmail. Reported by Jerry G. DeLapp . + +Darwin/Mac OS X (10.X.X) + The linker errors produced regarding getopt() and its associated + variables can safely be ignored. + + From Mike Zimmerman : + + From scratch here is what Darwin users need to do to the standard + 10.0.0, 10.0.1 install to get sendmail working. + From http://www.macosx.com/forums/showthread.php?s=6dac0e9e1f3fd118a4870a8a9b559491&threadid=2242: + 1. chmod g-w / /private /private/etc + 2. Properly set HOSTNAME in /etc/hostconfig to your FQDN: + HOSTNAME=-my.domain.com- + 3. Edit /etc/rc.boot: + hostname my.domain.com + domainname domain.com + 4. Edit /System/Library/StartupItems/Sendmail/Sendmail: + Remove the "&" after the sendmail command: + /usr/sbin/sendmail -bd -q1h + + From Carsten Klapp : + + The easiest workaround is to remove the group-writable permission + for the root directory and the symbolic /etc inherits this + change. While this does fix sendmail, the unfortunate side-effect + is the OS X admin will no longer be able to manipulate icons in the + top level of the Startup disk unless logged into the GUI as the + superuser. + + In applying the alternate workaround, care must be taken while + swapping the symlink /etc with the directory /private/etc. In all + likelihood any admin who is concerned with this sendmail error has + enough experience to not accidentally harm anything in the process. + + a. Swap the /etc symlink with /private/etc (as superuser): + rm /etc + mv /private/etc /etc + ln -s /etc /private/etc + + b. Set / to group unwritable (as superuser): + chmod g-w / + +Darwin/Mac OS X (10.1.5) + Apple's upgrade to sendmail 8.12 is incorrectly configured. You + will need to manually fix it up by doing the following: + + 1. chown smmsp:smmsp /var/spool/clientmqueue + 2. chmod 2770 /var/spool/clientmqueue + 3. chgrp smmsp /usr/sbin/sendmail + 4. chmod g+s /usr/sbin/sendmail + + From Daniel J. Luke : + + It appears that setting the sendmail.cf property in + /locations/sendmail in NetInfo on Mac OS X 10.1.5 with sendmail + 8.12.4 causes 'bad things' to happen. + + Specifically sendmail instances that should be getting their config + from /etc/mail/submit.cf don't (so mail/mutt/perl scripts which + open pipes to sendmail stop working as sendmail tries to write to + /var/spool/mqueue and cannot as sendmail is no longer suid root). + + Removing the entry from NetInfo fixes this problem. + +GNU getopt + I'm told that GNU getopt has a problem in that it gets confused + by the double call. Use the version in conf.c instead. + +BIND 4.9.2 and Ultrix + If you are running on Ultrix, be sure you read conf/Info.Ultrix + in the BIND distribution very carefully -- there is information + in there that you need to know in order to avoid errors of the + form: + + /lib/libc.a(gethostent.o): sethostent: multiply defined + /lib/libc.a(gethostent.o): endhostent: multiply defined + /lib/libc.a(gethostent.o): gethostbyname: multiply defined + /lib/libc.a(gethostent.o): gethostbyaddr: multiply defined + + during the link stage. + +BIND 8.X + BIND 8.X returns HOST_NOT_FOUND instead of TRY_AGAIN on temporary + DNS failures when trying to find the hostname associated with an IP + address (gethostbyaddr()). This can cause problems as + $&{client_name} based lookups in class R ($=R) and the access + database won't succeed. + + This will be fixed in BIND 8.2.1. For earlier versions, this can + be fixed by making "dns" the last name service queried for host + resolution in /etc/irs.conf: + + hosts local continue + hosts dns + +strtoul + Some compilers (notably gcc) claim to be ANSI C but do not + include the ANSI-required routine "strtoul". If your compiler + has this problem, you will get an error in srvrsmtp.c on the + code: + + # ifdef defined(__STDC__) && !defined(BROKEN_ANSI_LIBRARY) + e->e_msgsize = strtoul(vp, (char **) NULL, 10); + # else + e->e_msgsize = strtol(vp, (char **) NULL, 10); + # endif + + You can use -DBROKEN_ANSI_LIBRARY to get around this problem. + +Listproc 6.0c + Date: 23 Sep 1995 23:56:07 GMT + Message-ID: <95925101334.~INN-AUMa00187.comp-news@dl.ac.uk> + From: alansz@mellers1.psych.berkeley.edu (Alan Schwartz) + Subject: Listproc 6.0c + Sendmail 8.7 [Helpful hint] + + Just upgraded to sendmail 8.7, and discovered that listproc 6.0c + breaks, because it, by default, sends a blank "HELO" rather than + a "HELO hostname" when using the 'system' or 'telnet' mail method. + + The fix is to include -DZMAILER in the compilation, which will + cause it to use "HELO hostname" (which Z-mail apparently requires + as well. :) + +OpenSSL + OpenSSL versions prior to 0.9.6 use a macro named Free which + conflicts with existing macro names on some platforms, such as + AIX. + Do not use 0.9.3, but OpenSSL 0.9.5a or later if compatible with + 0.9.5a. + +PH + PH support is provided by Mark Roth . The map is + described at http://www-dev.cites.uiuc.edu/sendmail/ . + + NOTE: The "spacedname" pseudo-field which was used by earlier + versions of the PH map code is no longer supported! See the URL + listed above for more information. + + Please contact Mark Roth for support and questions regarding the + map. + +TCP Wrappers + If you are using -DTCPWRAPPERS to get TCP Wrappers support you will + also need to install libwrap.a and modify your site.config.m4 file + or the generated Makefile to include -lwrap in the LIBS line + (make sure that INCDIRS and LIBDIRS point to where the tcpd.h and + libwrap.a can be found). + + TCP Wrappers is available at ftp://ftp.porcupine.org/pub/security/. + + If you have alternate MX sites for your site, be sure that all of + your MX sites reject the same set of hosts. If not, a bad guy whom + you reject will connect to your site, fail, and move on to the next + MX site, which will accept the mail for you and forward it on to you. + +Regular Expressions (MAP_REGEX) + If sendmail linking fails with: + + undefined reference to 'regcomp' + + or sendmail gives an error about a regular expression with: + + pattern-compile-error: : Operation not applicable + + Your libc does not include a running version of POSIX-regex. Use + librx or regex.o from the GNU Free Software Foundation, + ftp://ftp.gnu.org/pub/gnu/rx-?.?.tar.gz or + ftp://ftp.gnu.org/pub/gnu/regex-?.?.tar.gz. + You can also use the regex-lib by Henry Spencer, + ftp://ftp.funet.fi/pub/languages/C/spencer/regex.shar.gz + Make sure, your compiler reads regex.h from the distribution, + not from /usr/include, otherwise sendmail will dump a core. + + ++--------------+ +| MANUAL PAGES | ++--------------+ + +The manual pages have been written against the -man macros, and +should format correctly with any reasonable *roff. + + ++-----------------+ +| DEBUGGING HOOKS | ++-----------------+ + +As of 8.6.5, sendmail daemons will catch a SIGUSR1 signal and log +some debugging output (logged at LOG_DEBUG severity). The +information dumped is: + + * The value of the $j macro. + * A warning if $j is not in the set $=w. + * A list of the open file descriptors. + * The contents of the connection cache. + * If ruleset 89 is defined, it is evaluated and the results printed. + +This allows you to get information regarding the runtime state of the +daemon on the fly. This should not be done too frequently, since +the process of rewriting may lose memory which will not be recovered. +Also, ruleset 89 may call non-reentrant routines, so there is a small +non-zero probability that this will cause other problems. It is +really only for debugging serious problems. + +A typical formulation of ruleset 89 would be: + + R$* $@ $>0 some test address + + ++-----------------------------+ +| DESCRIPTION OF SOURCE FILES | ++-----------------------------+ + +The following list describes the files in this directory: + +Build Shell script for building sendmail. +Makefile A convenience for calling ./Build. +Makefile.m4 A template for constructing a makefile based on the + information in the devtools directory. +README This file. +TRACEFLAGS My own personal list of the trace flags -- not guaranteed + to be particularly up to date. +alias.c Does name aliasing in all forms. +aliases.5 Man page describing the format of the aliases file. +arpadate.c A subroutine which creates ARPANET standard dates. +bf.c Routines to implement memory-buffered file system using + hooks provided by libsm now (formerly Torek stdio library). +bf.h Buffered file I/O function declarations and + data structure and function declarations for bf.c. +collect.c The routine that actually reads the mail into a temp + file. It also does a certain amount of parsing of + the header, etc. +conf.c The configuration file. This contains information + that is presumed to be quite static and non- + controversial, or code compiled in for efficiency + reasons. Most of the configuration is in sendmail.cf. +conf.h Configuration that must be known everywhere. +control.c Routines to implement control socket. +convtime.c A routine to sanely process times. +daemon.c Routines to implement daemon mode. +deliver.c Routines to deliver mail. +domain.c Routines that interface with DNS (the Domain Name + System). +envelope.c Routines to manipulate the envelope structure. +err.c Routines to print error messages. +headers.c Routines to process message headers. +helpfile An example helpfile for the SMTP HELP command and -bt mode. +macro.c The macro expander. This is used internally to + insert information from the configuration file. +mailq.1 Man page for the mailq command. +main.c The main routine to sendmail. This file also + contains some miscellaneous routines. +makesendmail A convenience for calling ./Build. +map.c Support for database maps. +mci.c Routines that handle mail connection information caching. +milter.c MTA portions of the mail filter API. +mime.c MIME conversion routines. +newaliases.1 Man page for the newaliases command. +parseaddr.c The routines which do address parsing. +queue.c Routines to implement message queueing. +readcf.c The routine that reads the configuration file and + translates it to internal form. +recipient.c Routines that manipulate the recipient list. +sasl.c Routines to interact with Cyrys-SASL. +savemail.c Routines which save the letter on processing errors. +sendmail.8 Man page for the sendmail command. +sendmail.h Main header file for sendmail. +sfsasl.c I/O interface between SASL/TLS and the MTA. +sfsasl.h Header file for sfsasl.c. +shmticklib.c Routines for shared memory counters. +sm_resolve.c Routines for DNS lookups (for DNS map type). +sm_resolve.h Header file for sm_resolve.c. +srvrsmtp.c Routines to implement server SMTP. +stab.c Routines to manage the symbol table. +stats.c Routines to collect and post the statistics. +statusd_shm.h Data structure and function declarations for shmticklib.c. +sysexits.c List of error messages associated with error codes + in sysexits.h. +sysexits.h List of error codes for systems that lack their own. +timers.c Routines to provide microtimers. +timers.h Data structure and function declarations for timers.h. +tls.c Routines for TLS. +trace.c The trace package. These routines allow setting and + testing of trace flags with a high granularity. +udb.c The user database interface module. +usersmtp.c Routines to implement user SMTP. +util.c Some general purpose routines used by sendmail. +version.c The version number and information about this + version of sendmail. + +(Version $Revision: 8.386 $, last update $Date: 2005/03/04 23:24:08 $ ) diff --git a/contrib/sendmail-8.13.4/sendmail/SECURITY b/contrib/sendmail-8.13.4/sendmail/SECURITY new file mode 100644 index 0000000000..0445e44523 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/SECURITY @@ -0,0 +1,203 @@ +# Copyright (c) 2000-2002 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# $Id: SECURITY,v 1.51 2002/09/23 21:29:18 ca Exp $ +# + +This file gives some hints how to configure and run sendmail for +people who are very security conscious (you should be...). + +Even though sendmail goes through great lengths to assure that it +can't be compromised even if the system it is running on is +incorrectly or insecurely configured, it can't work around everything. +This has been demonstrated by recent OS problems which have +subsequently been used to compromise the root account using sendmail +as a vector. One way to minimize the possibility of such problems +is to install sendmail without set-user-ID root, which avoids local +exploits. This configuration, which is the default starting with +8.12, is described in the first section of this security guide. + + +***************************************************** +** sendmail configuration without set-user-ID root ** +***************************************************** + +sendmail needs to run as root for several purposes: + +- bind to port 25 +- call the local delivery agent (LDA) as root (or other user) if the LDA + isn't set-user-ID root (unless some other method of storing e-mail in + local mailboxes is used). +- read .forward files +- write e-mail submitted via the command line to the queue directory. + +Only the last item requires a set-user-ID/set-group-ID program to +avoid problems with a world-writable directory. It is however +sufficient to have a set-group-ID program and a group-writable +queue directory. The other requirements listed above can be +fulfilled by a sendmail daemon that is started by root. Hence this +section explains how to use two sendmail configurations to accomplish +the goal to have a sendmail binary that is not set-user-ID root, +and hence is not open to system configuration/OS problems or at +least less problematic in presence of those. + +The default configuration starting with sendmail 8.12 uses one +sendmail binary which acts differently based on operation mode and +supplied options. + +sendmail must be a set-group-ID (default group: smmsp, recommended +gid: 25) program to allow for queueing mail in a group-writable +directory. Two .cf files are required: sendmail.cf for the daemon +and submit.cf for the submission program. The following permissions +should be used: + +-r-xr-sr-x root smmsp ... /PATH/TO/sendmail +drwxrwx--- smmsp smmsp ... /var/spool/clientmqueue +drwx------ root wheel ... /var/spool/mqueue +-r--r--r-- root wheel ... /etc/mail/sendmail.cf +-r--r--r-- root wheel ... /etc/mail/submit.cf + +[Notice: On some OS "wheel" is not used but "bin" or "root" instead, +however, this is not important here.] + +That is, the owner of sendmail is root, the group is smmsp, and +the binary is set-group-ID. The client mail queue is owned by +smmsp with group smmsp and is group writable. The client mail +queue directory must be writable by smmsp, but it must not be +accessible for others. That is, do not use world read or execute +permissions. In submit.cf the option UseMSP must be set, and +QueueFileMode must be set to 0660. submit.cf is available in +cf/cf/, which has been built from cf/cf/submit.mc. The file can +be used as-is, if you want to add more options, use cf/cf/submit.mc +as starting point and read cf/README: MESSAGE SUBMISSION PROGRAM +carefully. + +The .cf file is chosen based on the operation mode. For -bm (default), +-bs, and -t it is submit.cf (if it exists) for all others it is +sendmail.cf. This selection can be changed by -Ac or -Am (alternative +.cf file: client or mta). + +The daemon must be started by root as usual, e.g., + +/PATH/TO/sendmail -L sm-mta -bd -q1h + +(replace /PATH/TO with the right path for your OS, e.g., +/usr/sbin or /usr/lib). + +Notice: if you run sendmail from inetd (which in general is not a +good idea), you must specify -Am in addition to -bs. + +Mail will end up in the client queue if the daemon doesn't accept +connections or if an address is temporarily not resolvable. The +latter problem can be minimized by using + + FEATURE(`nocanonify', `canonify_hosts') + define(`confDIRECT_SUBMISSION_MODIFIERS', `C') + +which, however, may have undesired side effects. See cf/README for +a discussion. In general it is necessary to clean the queue either +via a cronjob or by running a daemon, e.g., + +/PATH/TO/sendmail -L sm-msp-queue -Ac -q30m + +If the option UseMSP is not set, sendmail will complain during +queue runs about bogus file permission. If you want a queue runner +for the client queue, you probably have to change OS specific +scripts to accomplish this (check the man pages of your OS for more +information.) You can start this program as root, it will change +its user id to RunAsUser (smmsp by default, recommended uid: 25). +This way smmsp does not need a valid shell. + +Summary +------- + +This is a brief summary how the two configuration files are used: + +sendmail.cf For the MTA (mail transmission agent) + The MTA is started by root as daemon: + + /PATH/TO/sendmail -L sm-mta -bd -q1h + + it accepts SMTP connections (on ports 25 and 587 by default); + it runs the main queue (/var/spool/mqueue by default). + +submit.cf For the MSP (mail submission program) + The MSP is used to submit e-mails, hence it is invoked + by programs (and maybe users); it does not run as SMTP + daemon; it uses /var/spool/clientmqueue by default; it + can be started to run that queue periodically: + + /PATH/TO/sendmail -L sm-msp-queue -Ac -q30m + + +Hints and Troubleshooting +------------------------- + +RunAsUser: FEATURE(`msp') sets the option RunAsUser to smmsp. +This user must have the group smmsp, i.e., the same group as the +clientmqueue directory. If you specify a user whose primary group +is not the same as that of the clientmqueue directory, then you +should explicitly set the group, e.g., + + FEATURE(`msp') + define(`confRUN_AS_USER', `mailmsp:smmsp') + +STARTTLS: If sendmail is compiled with STARTTLS support on a platform +that does not have HASURANDOMDEV defined, you either need to specify +the RandFile option (as for the MTA), or you have to turn off +STARTTLS in the MSP, e.g., + + DAEMON_OPTIONS(`Name=NoMTA, Addr=127.0.0.1, M=S') + FEATURE(`msp') + CLIENT_OPTIONS(`Family=inet, Address=0.0.0.0, M=S') + +The first option is used to turn off STARTTLS when the MSP is +invoked with -bs as some MUAs do. + + +What doesn't work anymore +------------------------- + +Normal users can't use mailq anymore to see the MTA mail queue. +There are several ways around it, e.g., changing QueueFileMode +or giving users access via a program like sudo. + +sendmail -bv may give misleading output for normal users since it +may not be able to access certain files, e.g., .forward files of +other users. + + +Alternative +----------- + +Instead of having one set-group-ID binary, it is possible to use +two with different permissions: one for message submission +(set-group-ID), one acting as daemon etc, which is only executable +by root. In that case it is possible to remove features from +the message submission program to have a smaller binary. +You can use + + sh ./Build install-sm-mta + +to install a sendmail program to act as daemon etc under the name +sm-mta. + +Set-User-Id +----------- + +If you really have to install sendmail set-user-ID root, first build +the sendmail package normally using + + sh ./Build + +Then you can use + + sh ./Build install-set-user-id + +to install the package in the old (pre-8.12) way. Make sure that +no submit.cf file is installed. See devtools/README about +confSETUSERID_INSTALL which you need to define. diff --git a/contrib/sendmail-8.13.4/sendmail/TRACEFLAGS b/contrib/sendmail-8.13.4/sendmail/TRACEFLAGS new file mode 100644 index 0000000000..3e0a14c231 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/TRACEFLAGS @@ -0,0 +1,97 @@ +# $Id: TRACEFLAGS,v 8.43 2005/02/16 23:38:51 ca Exp $ +0, 4 main.c main canonical name, UUCP node name, a.k.a.s +0, 15 main.c main print configuration +0, 44 util.c printav print address of each string +0, 101 main.c main print version and exit +1 main.c main print from person +2 main.c finis +3 conf.c getla, shouldqueue +4 conf.c enoughspace +5 clock.c setevent, clrevent, tick +6 savemail.c savemail, returntosender +7 queue.c queuename +8 domain.c getmxrr, getcanonname +9 daemon.c getauthinfo IDENT protocol +9 daemon.c maphostname +10 deliver.c deliver +11 deliver.c openmailer, mailfile +12 parseaddr.c remotename +13 deliver.c sendall, sendenvelope +14 headers.c commaize +15 daemon.c getrequests +16 daemon.c makeconnection +17 deliver.c hostsignature +17 domain.c mxrand +18 usersmtp.c reply, smtpmessage, smtpinit, smtpmailfrom, smtpdata +19 srvrsmtp.c smtp +20 parseaddr.c parseaddr +21 parseaddr.c rewrite +22 parseaddr.c prescan +24 parseaddr.c buildaddr, allocaddr +25 recipient.c sendtolist +26 recipient.c recipient +27 alias.c alias +27 alias.c readaliases +27 alias.c forward +27 recipient.c include +28 udb.c udbexpand, udbsender +29 parseaddr.c maplocaluser +29 recipient.c recipient (local users), finduser +30 collect.c collect +30 collect.c eatfrom +31 headers.c chompheader +32 headers.c eatheader +33 headers.c crackaddr +34 headers.c putheader +35 macro.c expand, define +36 stab.c stab +37 readcf.c (many) +38 map.c initmaps, setupmaps (bogus map) +39 map.c map_rewrite +40 queue.c queueup, orderq, dowork +41 queue.c orderq +42 mci.c mci_get +43 mime.c mime8to7 +44 recipient.c writable +44 safefile.c safefile, safedirpath, filechanged +45 envelope.c setsender +46 envelope.c openxscript +47 main.c drop_privileges +48 parseaddr.c rscheck +48 conf.c validate_connection +49 conf.c checkcompat +50 envelope.c dropenvelope +51 queue.c unlockqueue +52 main.c disconnect +53 util.c xfclose +54 err.c putoutmsg +55 conf.c lockfile +56 mci.c persistent host status +57 util.c snprintf +58 bf.c bf* routines +60 map.c +61 conf.c sm_gethostbyname +62 multiple file descriptor checking +63 queue.c runqueue process watching +64 multiple Milter +65 main.c permission checks +#if _FFR_ADAPTIVE_EOL +66 srvrsmtp.c conformance checks +#endif /* _FFR_ADAPTIVE_EOL */ +#if _FFR_QUEUE_SCHED_DBG +69 queue.c scheduling +#endif /* _FFR_QUEUE_SCHED_DBG */ +70 queue.c quarantining +71,>99 milter.c quarantine on errors +73 queue.c shared memory updates +80 content length +81 sun remote mode +91 mci.c syslogging of MCI cache information +93,>99 * Prevent daemon connection fork for profiling/debugging +94,>99 srvrsmtp.c cause commands to fail (for protocol testing) +95 srvrsmtp.c AUTH +95 usersmtp.c AUTH +96 tls.c Activate SSL_CTX_set_info_callback() +97 srvrsmtp.c Trace automode settings for I/O +98 * timers +99 main.c avoid backgrounding (no printed output) diff --git a/contrib/sendmail-8.13.4/sendmail/TUNING b/contrib/sendmail-8.13.4/sendmail/TUNING new file mode 100644 index 0000000000..6ccff9a194 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/TUNING @@ -0,0 +1,230 @@ +# Copyright (c) 2001-2003 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# $Id: TUNING,v 1.19 2003/01/25 23:06:02 ca Exp $ +# + +******************************************** +** This is a DRAFT, comments are welcome! ** +******************************************** + + +If the default configuration of sendmail does not achieve the +required performance, there are several configuration options that +can be changed to accomplish higher performance. However, before +those options are changed it is necessary to understand why the +performance is not as good as desired. This may also involve hardware +and software (OS) configurations which are not extensively explored +in this document. We assume that your system is not limited by +network bandwidth because optimizing for this situation is beyond +the scope of this guide. In almost all other cases performance will +be limited by disk I/O. + + +This text assumes that all options which are mentioned here are +familiar to the reader, they are explained in the Sendmail Installation +and Operations Guide; doc/op/op.txt. + +There are basically three different scenarios which are treated +in the following: +* Mailing Lists and Large Aliases (1-n Mailing) +* 1-1 Mass Mailing +* High Volume Mail + +Depending on your requirements, these may need different options +to optimize sendmail for the particular purpose. It is also possible +to configure sendmail to achieve good performance in all cases, but +it will not be optimal for any specific purpose. For example, it +is non-trivival to combine low latency (fast delivery of incoming +mail) with high overall throughput. + +Before we explore the different scenarios, a basic discussion about +disk I/O, delivery modes, and queue control is required. + + +* Disk I/O +----------------------------------------------- + +In general mail will be written to disk up before a delivery attempt +is made. This is required for reliability and should only be changed +in a few specific cases that are mentioned later on. To achieve +better disk I/O performance the queue directories can be spread +over several disks to distribute the load. This is some basic tuning +that should be done in all cases where the I/O speed of a single +disk is exceeded, which is true for almost every high-volume +situation except if a special disk subsystem with large (NV)RAM +buffer is used. + +Depending on your OS there might be ways to speed up I/O, e.g., +using softupdates or turning on the noatime mount option. If this +is done make sure the filesystem is still reliable, i.e., if fsync() +returns without an error, the file has really been committed to +disk. + + +* Queueing Strategies and DeliveryMode +----------------------------------------------- + +There are basically three delivery modes: + +background: incoming mail will be immediately delivered by a new process +interactive: incoming mail will be immediately delivered by the same process +queue: incoming mail will be queued and delivered by a queue runner later on + +The first offers the lowest latency without the disadvantage of the +second, which keep the connection from the sender open until the +delivery to the next hop succeeded or failed. However, it does not +allow for a good control over the number of delivery processes other +than limiting the total number of direct children of the daemon +processes (MaxChildren) or by load control options (RefuseLA, +DelayLA). Moreover, it can't make as good use as 'queue' mode can +for connection caching. + +Interactive DeliveryMode should only be used in rare cases, e.g., +if the delivery time to the next hop is a known quantity or if the +sender is under local control and it does not matter if it has to +wait for delivery. + +Queueing up e-mail before delivery is done by a queue runner allows +the best load control but does not achieve as low latency as the +other two modes. However, this mode is probably also best for +concurrent delivery since the number of queue runners can be specified +on a queue group basis. Persistent queue runners (-qp) can be used +to minimize the overhead for creating processes because they just +sleep for the specified interval (which shold be short) instead of +exiting after a queue run. + + +* Queue Groups +----------------------------------------------- + +In most situations disk I/O is a bottleneck which can be mitigated +by spreading the load over several disks. This can easily be achieved +with different queue directories. sendmail 8.12 introduces queue +groups which are collections of queue directories with similar +properties, i.e., number of processes to run the queues in the +group, maximum number of recipients within an e-mail (envelope), +etc. Queue groups allow control over the behaviour of different +queues. Depending on the setup, it is usually possible to have +several queue runners delivering mails concurrently which should +increase throughput. The number of queue runners can be controlled +per queue group (Runner=) and overall (MaxQueueChildren). + + +* DNS Lookups +----------------------------------------------- + +sendmail performs by default host name canonifications by using +host name lookups. This process is meant to replace unqualified +host name with qualified host names, and CNAMEs with the non-aliased +name. However, these lookups can take a while for large address +lists, e.g., mailing lists. If you can assure by other means that +host names are canonical, you should use + + FEATURE(`nocanonify', `canonify_hosts') + +in your .mc file. For further information on this feature and +additional options see cf/README. If sendmail is invoked directly +to send e-mail then either the -G option should be used or + + define(`confDIRECT_SUBMISSION_MODIFIERS', `C') + +should be added to the .mc file. + + +* Mailing Lists and Large Aliases (1-n Mailing) +----------------------------------------------- + +Before 8.12 sendmail delivers an e-mail sequentially to all its +recipients. For mailing lists or large aliases the overall delivery +time can be substantial, especially if some of the recipients are +located at hosts that are slow to accept e-mail. Some mailing list +software therefore "split" up e-mails into smaller pieces with +fewer recipients. sendmail 8.12 can do this itself, either across +queue groups or within a queue directory. The latter is controlled +by the 'r=' field of a queue group declaration. + +Let's assume a simple example: a mailing lists where most of +the recipients are at three domains: the local one (local.domain) +and two remotes (one.domain, two.domain) and the rest is splittered +over several other domains. For this case it is useful to specify +three queue groups: + +QUEUE_GROUP(`local', `P=/var/spool/mqueue/local, F=f, R=2, I=1m')dnl +QUEUE_GROUP(`one', `P=/var/spool/mqueue/one, F=f, r=50, R=3')dnl +QUEUE_GROUP(`two', `P=/var/spool/mqueue/two, F=f, r=30, R=4')dnl +QUEUE_GROUP(`remote', `P=/var/spool/mqueue/remote, F=f, r=5, R=8, I=2m')dnl +define(`ESMTP_MAILER_QGRP', `remote')dnl +define(`confDELIVERY_MODE', `q')dnl +define(`confMAX_QUEUE_CHILDREN', `50')dnl +define(`confMIN_QUEUE_AGE', `27m')dnl + +and specify the queuegroup ruleset as follows: + +LOCAL_RULESETS +Squeuegroup +R$* @ local.domain $# local +R$* @ $* one.domain $# one +R$* @ $* two.domain $# two +R$* @ $* $# remote +R$* $# mqueue + +Now it is necessary to control the number of queue runners, which +is done by MaxQueueChildren. Starting the daemon with the option +-q5m assures that the first delivery attempt for each e-mail is +done within 5 minutes, however, there are also individual queue +intervals for the queue groups as specified above. MinQueueAge +is set to 27 minutes to avoid that entries are run too often. + +Notice: if envelope splitting happens due to alias expansion, and +DeliveryMode is not 'i'nteractive, then only one envelope is sent +immediately. The rest (after splitting) are queued up and queue +runners must come along and take care of them. Hence it is essential +that the queue interval is very short. + + +* 1-1 Mass Mailing +----------------------------------------------- + +In this case some program generates e-mails which are sent to +individual recipients (or at most very few per e-mail). A simple +way to achieve high throughput is to set the delivery mode to +'interactive', turn off the SuperSafe option and make sure that the +program that generates the mails can deal with mail losses if the +server loses power. In no other case should SuperSafe be set to +'false'. If these conditions are met, sendmail does not need to +commit mails to disk but can buffer them in memory which will greatly +enhance performance, especially compared to normal disk subsystems, e.g., +non solid-state disks. + + +* High Volume Mail +----------------------------------------------- + +For high volume mail it is necessary to be able to control the load +on the system. Therefore the 'queue' delivery mode should be used, +and all options related to number of processes and the load should +be set to reasonable values. It is important not to accept mail +faster than it can be delivered otherwise the system will be +overwhelmed. Hence RefuseLA should be lower than QueueLA, the number +of daemon children should probably be lower than the number of queue +runnners (MaxChildren vs. MaxQueueChildren). DelayLA is a new option +in 8.12 which allows delaying connections instead of rejecting them. +This may result in a smoother load distribution depending on how +the mails are submitted to sendmail. + + +* Miscellaneous +----------------------------------------------- + +Other options that are interesting to tweak performance are +(in no particular order): + +SuperSafe: if interactive DeliveryMode is used, then this can +be set to the new value "interactive" in 8.12 to save some disk +synchronizations which are not really necessary in that mode. + diff --git a/contrib/sendmail-8.13.4/sendmail/alias.c b/contrib/sendmail-8.13.4/sendmail/alias.c new file mode 100644 index 0000000000..3c052123a4 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/alias.c @@ -0,0 +1,1014 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: alias.c,v 8.217 2003/07/28 17:47:18 ca Exp $") + +#define SEPARATOR ':' +# define ALIAS_SPEC_SEPARATORS " ,/:" + +static MAP *AliasFileMap = NULL; /* the actual aliases.files map */ +static int NAliasFileMaps; /* the number of entries in AliasFileMap */ + +static char *aliaslookup __P((char *, int *, char *)); + +/* +** ALIAS -- Compute aliases. +** +** Scans the alias file for an alias for the given address. +** If found, it arranges to deliver to the alias list instead. +** Uses libdbm database if -DDBM. +** +** Parameters: +** a -- address to alias. +** sendq -- a pointer to the head of the send queue +** to put the aliases in. +** aliaslevel -- the current alias nesting depth. +** e -- the current envelope. +** +** Returns: +** none +** +** Side Effects: +** Aliases found are expanded. +** +** Deficiencies: +** It should complain about names that are aliased to +** nothing. +*/ + +void +alias(a, sendq, aliaslevel, e) + register ADDRESS *a; + ADDRESS **sendq; + int aliaslevel; + register ENVELOPE *e; +{ + register char *p; + char *owner; + auto int status = EX_OK; + char obuf[MAXNAME + 7]; + + if (tTd(27, 1)) + sm_dprintf("alias(%s)\n", a->q_user); + + /* don't realias already aliased names */ + if (!QS_IS_OK(a->q_state)) + return; + + if (NoAlias) + return; + + e->e_to = a->q_paddr; + + /* + ** Look up this name. + ** + ** If the map was unavailable, we will queue this message + ** until the map becomes available; otherwise, we could + ** bounce messages inappropriately. + */ + +#if _FFR_REDIRECTEMPTY + /* + ** envelope <> can't be sent to mailing lists, only owner- + ** send spam of this type to owner- of the list + ** ---- to stop spam from going to mailing lists! + */ + + if (e->e_sender != NULL && *e->e_sender == '\0') + { + /* Look for owner of alias */ + (void) sm_strlcpyn(obuf, sizeof obuf, 2, "owner-", a->q_user); + if (aliaslookup(obuf, &status, a->q_host) != NULL) + { + if (LogLevel > 8) + sm_syslog(LOG_WARNING, e->e_id, + "possible spam from <> to list: %s, redirected to %s\n", + a->q_user, obuf); + a->q_user = sm_rpool_strdup_x(e->e_rpool, obuf); + } + } +#endif /* _FFR_REDIRECTEMPTY */ + + p = aliaslookup(a->q_user, &status, a->q_host); + if (status == EX_TEMPFAIL || status == EX_UNAVAILABLE) + { + a->q_state = QS_QUEUEUP; + if (e->e_message == NULL) + e->e_message = "alias database unavailable"; + + /* XXX msg only per recipient? */ + if (a->q_message == NULL) + a->q_message = "alias database unavailable"; + return; + } + if (p == NULL) + return; + + /* + ** Match on Alias. + ** Deliver to the target list. + */ + + if (tTd(27, 1)) + sm_dprintf("%s (%s, %s) aliased to %s\n", + a->q_paddr, a->q_host, a->q_user, p); + if (bitset(EF_VRFYONLY, e->e_flags)) + { + a->q_state = QS_VERIFIED; + return; + } + message("aliased to %s", shortenstring(p, MAXSHORTSTR)); + if (LogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, + "alias %.100s => %s", + a->q_paddr, shortenstring(p, MAXSHORTSTR)); + a->q_flags &= ~QSELFREF; + if (tTd(27, 5)) + { + sm_dprintf("alias: QS_EXPANDED "); + printaddr(sm_debug_file(), a, false); + } + a->q_state = QS_EXPANDED; + + /* + ** Always deliver aliased items as the default user. + ** Setting q_gid to 0 forces deliver() to use DefUser + ** instead of the alias name for the call to initgroups(). + */ + + a->q_uid = DefUid; + a->q_gid = 0; + a->q_fullname = NULL; + a->q_flags |= QGOODUID|QALIAS; + + (void) sendtolist(p, a, sendq, aliaslevel + 1, e); + + if (bitset(QSELFREF, a->q_flags) && QS_IS_EXPANDED(a->q_state)) + a->q_state = QS_OK; + + /* + ** Look for owner of alias + */ + + if (strncmp(a->q_user, "owner-", 6) == 0 || + strlen(a->q_user) > sizeof obuf - 7) + (void) sm_strlcpy(obuf, "owner-owner", sizeof obuf); + else + (void) sm_strlcpyn(obuf, sizeof obuf, 2, "owner-", a->q_user); + owner = aliaslookup(obuf, &status, a->q_host); + if (owner == NULL) + return; + + /* reflect owner into envelope sender */ + if (strpbrk(owner, ",:/|\"") != NULL) + owner = obuf; + a->q_owner = sm_rpool_strdup_x(e->e_rpool, owner); + + /* announce delivery to this alias; NORECEIPT bit set later */ + if (e->e_xfp != NULL) + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Message delivered to mailing list %s\n", + a->q_paddr); + e->e_flags |= EF_SENDRECEIPT; + a->q_flags |= QDELIVERED|QEXPANDED; +} +/* +** ALIASLOOKUP -- look up a name in the alias file. +** +** Parameters: +** name -- the name to look up. +** pstat -- a pointer to a place to put the status. +** av -- argument for %1 expansion. +** +** Returns: +** the value of name. +** NULL if unknown. +** +** Side Effects: +** none. +** +** Warnings: +** The return value will be trashed across calls. +*/ + +static char * +aliaslookup(name, pstat, av) + char *name; + int *pstat; + char *av; +{ + static MAP *map = NULL; +#if _FFR_ALIAS_DETAIL + int i; + char *argv[4]; +#endif /* _FFR_ALIAS_DETAIL */ + + if (map == NULL) + { + STAB *s = stab("aliases", ST_MAP, ST_FIND); + + if (s == NULL) + return NULL; + map = &s->s_map; + } + DYNOPENMAP(map); + + /* special case POstMastER -- always use lower case */ + if (sm_strcasecmp(name, "postmaster") == 0) + name = "postmaster"; + +#if _FFR_ALIAS_DETAIL + i = 0; + argv[i++] = name; + argv[i++] = av; + + /* XXX '+' is hardwired here as delimiter! */ + if (av != NULL && *av == '+') + argv[i++] = av + 1; + argv[i++] = NULL; + return (*map->map_class->map_lookup)(map, name, argv, pstat); +#else /* _FFR_ALIAS_DETAIL */ + return (*map->map_class->map_lookup)(map, name, NULL, pstat); +#endif /* _FFR_ALIAS_DETAIL */ +} +/* +** SETALIAS -- set up an alias map +** +** Called when reading configuration file. +** +** Parameters: +** spec -- the alias specification +** +** Returns: +** none. +*/ + +void +setalias(spec) + char *spec; +{ + register char *p; + register MAP *map; + char *class; + STAB *s; + + if (tTd(27, 8)) + sm_dprintf("setalias(%s)\n", spec); + + for (p = spec; p != NULL; ) + { + char buf[50]; + + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + break; + spec = p; + + if (NAliasFileMaps >= MAXMAPSTACK) + { + syserr("Too many alias databases defined, %d max", + MAXMAPSTACK); + return; + } + if (AliasFileMap == NULL) + { + (void) sm_strlcpy(buf, "aliases.files sequence", + sizeof buf); + AliasFileMap = makemapentry(buf); + if (AliasFileMap == NULL) + { + syserr("setalias: cannot create aliases.files map"); + return; + } + } + (void) sm_snprintf(buf, sizeof buf, "Alias%d", NAliasFileMaps); + s = stab(buf, ST_MAP, ST_ENTER); + map = &s->s_map; + memset(map, '\0', sizeof *map); + map->map_mname = s->s_name; + p = strpbrk(p, ALIAS_SPEC_SEPARATORS); + if (p != NULL && *p == SEPARATOR) + { + /* map name */ + *p++ = '\0'; + class = spec; + spec = p; + } + else + { + class = "implicit"; + map->map_mflags = MF_INCLNULL; + } + + /* find end of spec */ + if (p != NULL) + { + bool quoted = false; + + for (; *p != '\0'; p++) + { + /* + ** Don't break into a quoted string. + ** Needed for ldap maps which use + ** commas in their specifications. + */ + + if (*p == '"') + quoted = !quoted; + else if (*p == ',' && !quoted) + break; + } + + /* No more alias specifications follow */ + if (*p == '\0') + p = NULL; + } + if (p != NULL) + *p++ = '\0'; + + if (tTd(27, 20)) + sm_dprintf(" map %s:%s %s\n", class, s->s_name, spec); + + /* look up class */ + s = stab(class, ST_MAPCLASS, ST_FIND); + if (s == NULL) + { + syserr("setalias: unknown alias class %s", class); + } + else if (!bitset(MCF_ALIASOK, s->s_mapclass.map_cflags)) + { + syserr("setalias: map class %s can't handle aliases", + class); + } + else + { + map->map_class = &s->s_mapclass; + map->map_mflags |= MF_ALIAS; + if (map->map_class->map_parse(map, spec)) + { + map->map_mflags |= MF_VALID; + AliasFileMap->map_stack[NAliasFileMaps++] = map; + } + } + } +} +/* +** ALIASWAIT -- wait for distinguished @:@ token to appear. +** +** This can decide to reopen or rebuild the alias file +** +** Parameters: +** map -- a pointer to the map descriptor for this alias file. +** ext -- the filename extension (e.g., ".db") for the +** database file. +** isopen -- if set, the database is already open, and we +** should check for validity; otherwise, we are +** just checking to see if it should be created. +** +** Returns: +** true -- if the database is open when we return. +** false -- if the database is closed when we return. +*/ + +bool +aliaswait(map, ext, isopen) + MAP *map; + char *ext; + bool isopen; +{ + bool attimeout = false; + time_t mtime; + struct stat stb; + char buf[MAXPATHLEN]; + + if (tTd(27, 3)) + sm_dprintf("aliaswait(%s:%s)\n", + map->map_class->map_cname, map->map_file); + if (bitset(MF_ALIASWAIT, map->map_mflags)) + return isopen; + map->map_mflags |= MF_ALIASWAIT; + + if (SafeAlias > 0) + { + auto int st; + unsigned int sleeptime = 2; + unsigned int loopcount = 0; /* only used for debugging */ + time_t toolong = curtime() + SafeAlias; + + while (isopen && + map->map_class->map_lookup(map, "@", NULL, &st) == NULL) + { + if (curtime() > toolong) + { + /* we timed out */ + attimeout = true; + break; + } + + /* + ** Close and re-open the alias database in case + ** the one is mv'ed instead of cp'ed in. + */ + + if (tTd(27, 2)) + { + loopcount++; + sm_dprintf("aliaswait: sleeping for %u seconds (loopcount = %u)\n", + sleeptime, loopcount); + } + + map->map_mflags |= MF_CLOSING; + map->map_class->map_close(map); + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + (void) sleep(sleeptime); + sleeptime *= 2; + if (sleeptime > 60) + sleeptime = 60; + isopen = map->map_class->map_open(map, O_RDONLY); + } + } + + /* see if we need to go into auto-rebuild mode */ + if (!bitset(MCF_REBUILDABLE, map->map_class->map_cflags)) + { + if (tTd(27, 3)) + sm_dprintf("aliaswait: not rebuildable\n"); + map->map_mflags &= ~MF_ALIASWAIT; + return isopen; + } + if (stat(map->map_file, &stb) < 0) + { + if (tTd(27, 3)) + sm_dprintf("aliaswait: no source file\n"); + map->map_mflags &= ~MF_ALIASWAIT; + return isopen; + } + mtime = stb.st_mtime; + if (sm_strlcpyn(buf, sizeof buf, 2, + map->map_file, ext == NULL ? "" : ext) >= sizeof buf) + { + if (LogLevel > 3) + sm_syslog(LOG_INFO, NOQID, + "alias database %s%s name too long", + map->map_file, ext == NULL ? "" : ext); + message("alias database %s%s name too long", + map->map_file, ext == NULL ? "" : ext); + } + + if (stat(buf, &stb) < 0 || stb.st_mtime < mtime || attimeout) + { + if (LogLevel > 3) + sm_syslog(LOG_INFO, NOQID, + "alias database %s out of date", buf); + message("Warning: alias database %s out of date", buf); + } + map->map_mflags &= ~MF_ALIASWAIT; + return isopen; +} +/* +** REBUILDALIASES -- rebuild the alias database. +** +** Parameters: +** map -- the database to rebuild. +** automatic -- set if this was automatically generated. +** +** Returns: +** true if successful; false otherwise. +** +** Side Effects: +** Reads the text version of the database, builds the +** DBM or DB version. +*/ + +bool +rebuildaliases(map, automatic) + register MAP *map; + bool automatic; +{ + SM_FILE_T *af; + bool nolock = false; + bool success = false; + long sff = SFF_OPENASROOT|SFF_REGONLY|SFF_NOLOCK; + sigfunc_t oldsigint, oldsigquit; +#ifdef SIGTSTP + sigfunc_t oldsigtstp; +#endif /* SIGTSTP */ + + if (!bitset(MCF_REBUILDABLE, map->map_class->map_cflags)) + return false; + + if (!bitnset(DBS_LINKEDALIASFILEINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + if (!bitnset(DBS_GROUPWRITABLEALIASFILE, DontBlameSendmail)) + sff |= SFF_NOGWFILES; + if (!bitnset(DBS_WORLDWRITABLEALIASFILE, DontBlameSendmail)) + sff |= SFF_NOWWFILES; + + /* try to lock the source file */ + if ((af = safefopen(map->map_file, O_RDWR, 0, sff)) == NULL) + { + struct stat stb; + + if ((errno != EACCES && errno != EROFS) || automatic || + (af = safefopen(map->map_file, O_RDONLY, 0, sff)) == NULL) + { + int saveerr = errno; + + if (tTd(27, 1)) + sm_dprintf("Can't open %s: %s\n", + map->map_file, sm_errstring(saveerr)); + if (!automatic && !bitset(MF_OPTIONAL, map->map_mflags)) + message("newaliases: cannot open %s: %s", + map->map_file, sm_errstring(saveerr)); + errno = 0; + return false; + } + nolock = true; + if (tTd(27, 1) || + fstat(sm_io_getinfo(af, SM_IO_WHAT_FD, NULL), &stb) < 0 || + bitset(S_IWUSR|S_IWGRP|S_IWOTH, stb.st_mode)) + message("warning: cannot lock %s: %s", + map->map_file, sm_errstring(errno)); + } + + /* see if someone else is rebuilding the alias file */ + if (!nolock && + !lockfile(sm_io_getinfo(af, SM_IO_WHAT_FD, NULL), map->map_file, + NULL, LOCK_EX|LOCK_NB)) + { + /* yes, they are -- wait until done */ + message("Alias file %s is locked (maybe being rebuilt)", + map->map_file); + if (OpMode != MD_INITALIAS) + { + /* wait for other rebuild to complete */ + (void) lockfile(sm_io_getinfo(af, SM_IO_WHAT_FD, NULL), + map->map_file, NULL, LOCK_EX); + } + (void) sm_io_close(af, SM_TIME_DEFAULT); + errno = 0; + return false; + } + + oldsigint = sm_signal(SIGINT, SIG_IGN); + oldsigquit = sm_signal(SIGQUIT, SIG_IGN); +#ifdef SIGTSTP + oldsigtstp = sm_signal(SIGTSTP, SIG_IGN); +#endif /* SIGTSTP */ + + if (map->map_class->map_open(map, O_RDWR)) + { + if (LogLevel > 7) + { + sm_syslog(LOG_NOTICE, NOQID, + "alias database %s %srebuilt by %s", + map->map_file, automatic ? "auto" : "", + username()); + } + map->map_mflags |= MF_OPEN|MF_WRITABLE; + map->map_pid = CurrentPid; + readaliases(map, af, !automatic, true); + success = true; + } + else + { + if (tTd(27, 1)) + sm_dprintf("Can't create database for %s: %s\n", + map->map_file, sm_errstring(errno)); + if (!automatic) + syserr("Cannot create database for alias file %s", + map->map_file); + } + + /* close the file, thus releasing locks */ + (void) sm_io_close(af, SM_TIME_DEFAULT); + + /* add distinguished entries and close the database */ + if (bitset(MF_OPEN, map->map_mflags)) + { + map->map_mflags |= MF_CLOSING; + map->map_class->map_close(map); + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + } + + /* restore the old signals */ + (void) sm_signal(SIGINT, oldsigint); + (void) sm_signal(SIGQUIT, oldsigquit); +#ifdef SIGTSTP + (void) sm_signal(SIGTSTP, oldsigtstp); +#endif /* SIGTSTP */ + return success; +} +/* +** READALIASES -- read and process the alias file. +** +** This routine implements the part of initaliases that occurs +** when we are not going to use the DBM stuff. +** +** Parameters: +** map -- the alias database descriptor. +** af -- file to read the aliases from. +** announcestats -- announce statistics regarding number of +** aliases, longest alias, etc. +** logstats -- lot the same info. +** +** Returns: +** none. +** +** Side Effects: +** Reads aliasfile into the symbol table. +** Optionally, builds the .dir & .pag files. +*/ + +void +readaliases(map, af, announcestats, logstats) + register MAP *map; + SM_FILE_T *af; + bool announcestats; + bool logstats; +{ + register char *p; + char *rhs; + bool skipping; + long naliases, bytes, longest; + ADDRESS al, bl; + char line[BUFSIZ]; + + /* + ** Read and interpret lines + */ + + FileName = map->map_file; + LineNumber = 0; + naliases = bytes = longest = 0; + skipping = false; + while (sm_io_fgets(af, SM_TIME_DEFAULT, line, sizeof line) != NULL) + { + int lhssize, rhssize; + int c; + + LineNumber++; + p = strchr(line, '\n'); + + /* XXX what if line="a\\" ? */ + while (p != NULL && p > line && p[-1] == '\\') + { + p--; + if (sm_io_fgets(af, SM_TIME_DEFAULT, p, + SPACELEFT(line, p)) == NULL) + break; + LineNumber++; + p = strchr(p, '\n'); + } + if (p != NULL) + *p = '\0'; + else if (!sm_io_eof(af)) + { + errno = 0; + syserr("554 5.3.0 alias line too long"); + + /* flush to end of line */ + while ((c = sm_io_getc(af, SM_TIME_DEFAULT)) != + SM_IO_EOF && c != '\n') + continue; + + /* skip any continuation lines */ + skipping = true; + continue; + } + switch (line[0]) + { + case '#': + case '\0': + skipping = false; + continue; + + case ' ': + case '\t': + if (!skipping) + syserr("554 5.3.5 Non-continuation line starts with space"); + skipping = true; + continue; + } + skipping = false; + + /* + ** Process the LHS + ** Find the colon separator, and parse the address. + ** It should resolve to a local name -- this will + ** be checked later (we want to optionally do + ** parsing of the RHS first to maximize error + ** detection). + */ + + for (p = line; *p != '\0' && *p != ':' && *p != '\n'; p++) + continue; + if (*p++ != ':') + { + syserr("554 5.3.5 missing colon"); + continue; + } + if (parseaddr(line, &al, RF_COPYALL, ':', NULL, CurEnv, true) + == NULL) + { + syserr("554 5.3.5 %.40s... illegal alias name", line); + continue; + } + + /* + ** Process the RHS. + ** 'al' is the internal form of the LHS address. + ** 'p' points to the text of the RHS. + */ + + while (isascii(*p) && isspace(*p)) + p++; + rhs = p; + for (;;) + { + register char *nlp; + + nlp = &p[strlen(p)]; + if (nlp > p && nlp[-1] == '\n') + *--nlp = '\0'; + + if (CheckAliases) + { + /* do parsing & compression of addresses */ + while (*p != '\0') + { + auto char *delimptr; + + while ((isascii(*p) && isspace(*p)) || + *p == ',') + p++; + if (*p == '\0') + break; + if (parseaddr(p, &bl, RF_COPYNONE, ',', + &delimptr, CurEnv, true) + == NULL) + usrerr("553 5.3.5 %s... bad address", p); + p = delimptr; + } + } + else + { + p = nlp; + } + + /* see if there should be a continuation line */ + c = sm_io_getc(af, SM_TIME_DEFAULT); + if (!sm_io_eof(af)) + (void) sm_io_ungetc(af, SM_TIME_DEFAULT, c); + if (c != ' ' && c != '\t') + break; + + /* read continuation line */ + if (sm_io_fgets(af, SM_TIME_DEFAULT, p, + sizeof line - (p-line)) == NULL) + break; + LineNumber++; + + /* check for line overflow */ + if (strchr(p, '\n') == NULL && !sm_io_eof(af)) + { + usrerr("554 5.3.5 alias too long"); + while ((c = sm_io_getc(af, SM_TIME_DEFAULT)) + != SM_IO_EOF && c != '\n') + continue; + skipping = true; + break; + } + } + + if (skipping) + continue; + + if (!bitnset(M_ALIASABLE, al.q_mailer->m_flags)) + { + syserr("554 5.3.5 %s... cannot alias non-local names", + al.q_paddr); + continue; + } + + /* + ** Insert alias into symbol table or database file. + ** + ** Special case pOStmaStER -- always make it lower case. + */ + + if (sm_strcasecmp(al.q_user, "postmaster") == 0) + makelower(al.q_user); + + lhssize = strlen(al.q_user); + rhssize = strlen(rhs); + if (rhssize > 0) + { + /* is RHS empty (just spaces)? */ + p = rhs; + while (isascii(*p) && isspace(*p)) + p++; + } + if (rhssize == 0 || *p == '\0') + { + syserr("554 5.3.5 %.40s... missing value for alias", + line); + + } + else + { + map->map_class->map_store(map, al.q_user, rhs); + + /* statistics */ + naliases++; + bytes += lhssize + rhssize; + if (rhssize > longest) + longest = rhssize; + } + +#if 0 + /* + ** address strings are now stored in the envelope rpool, + ** and therefore cannot be freed. + */ + if (al.q_paddr != NULL) + sm_free(al.q_paddr); /* disabled */ + if (al.q_host != NULL) + sm_free(al.q_host); /* disabled */ + if (al.q_user != NULL) + sm_free(al.q_user); /* disabled */ +#endif /* 0 */ + } + + CurEnv->e_to = NULL; + FileName = NULL; + if (Verbose || announcestats) + message("%s: %ld aliases, longest %ld bytes, %ld bytes total", + map->map_file, naliases, longest, bytes); + if (LogLevel > 7 && logstats) + sm_syslog(LOG_INFO, NOQID, + "%s: %ld aliases, longest %ld bytes, %ld bytes total", + map->map_file, naliases, longest, bytes); +} +/* +** FORWARD -- Try to forward mail +** +** This is similar but not identical to aliasing. +** +** Parameters: +** user -- the name of the user who's mail we would like +** to forward to. It must have been verified -- +** i.e., the q_home field must have been filled +** in. +** sendq -- a pointer to the head of the send queue to +** put this user's aliases in. +** aliaslevel -- the current alias nesting depth. +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** New names are added to send queues. +*/ + +void +forward(user, sendq, aliaslevel, e) + ADDRESS *user; + ADDRESS **sendq; + int aliaslevel; + register ENVELOPE *e; +{ + char *pp; + char *ep; + bool got_transient; + + if (tTd(27, 1)) + sm_dprintf("forward(%s)\n", user->q_paddr); + + if (!bitnset(M_HASPWENT, user->q_mailer->m_flags) || + !QS_IS_OK(user->q_state)) + return; + if (ForwardPath != NULL && *ForwardPath == '\0') + return; + if (user->q_home == NULL) + { + syserr("554 5.3.0 forward: no home"); + user->q_home = "/no/such/directory"; + } + + /* good address -- look for .forward file in home */ + macdefine(&e->e_macro, A_PERM, 'z', user->q_home); + macdefine(&e->e_macro, A_PERM, 'u', user->q_user); + macdefine(&e->e_macro, A_PERM, 'h', user->q_host); + if (ForwardPath == NULL) + ForwardPath = newstr("\201z/.forward"); + + got_transient = false; + for (pp = ForwardPath; pp != NULL; pp = ep) + { + int err; + char buf[MAXPATHLEN]; + struct stat st; + + ep = strchr(pp, SEPARATOR); + if (ep != NULL) + *ep = '\0'; + expand(pp, buf, sizeof buf, e); + if (ep != NULL) + *ep++ = SEPARATOR; + if (buf[0] == '\0') + continue; + if (tTd(27, 3)) + sm_dprintf("forward: trying %s\n", buf); + + err = include(buf, true, user, sendq, aliaslevel, e); + if (err == 0) + break; + else if (transienterror(err)) + { + /* we may have to suspend this message */ + got_transient = true; + if (tTd(27, 2)) + sm_dprintf("forward: transient error on %s\n", + buf); + if (LogLevel > 2) + { + char *curhost = CurHostName; + + CurHostName = NULL; + sm_syslog(LOG_ERR, e->e_id, + "forward %s: transient error: %s", + buf, sm_errstring(err)); + CurHostName = curhost; + } + + } + else + { + switch (err) + { + case ENOENT: + break; + + case E_SM_WWDIR: + case E_SM_GWDIR: + /* check if it even exists */ + if (stat(buf, &st) < 0 && errno == ENOENT) + { + if (bitnset(DBS_DONTWARNFORWARDFILEINUNSAFEDIRPATH, + DontBlameSendmail)) + break; + } + /* FALLTHROUGH */ + +#if _FFR_FORWARD_SYSERR + case E_SM_NOSLINK: + case E_SM_NOHLINK: + case E_SM_REGONLY: + case E_SM_ISEXEC: + case E_SM_WWFILE: + case E_SM_GWFILE: + syserr("forward: %s: %s", buf, sm_errstring(err)); + break; +#endif /* _FFR_FORWARD_SYSERR */ + + default: + if (LogLevel > (RunAsUid == 0 ? 2 : 10)) + sm_syslog(LOG_WARNING, e->e_id, + "forward %s: %s", buf, + sm_errstring(err)); + if (Verbose) + message("forward: %s: %s", + buf, sm_errstring(err)); + break; + } + } + } + if (pp == NULL && got_transient) + { + /* + ** There was no successful .forward open and at least one + ** transient open. We have to defer this address for + ** further delivery. + */ + + message("transient .forward open error: message queued"); + user->q_state = QS_QUEUEUP; + return; + } +} diff --git a/contrib/sendmail-8.13.4/sendmail/aliases b/contrib/sendmail-8.13.4/sendmail/aliases new file mode 100644 index 0000000000..2d06ae3125 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/aliases @@ -0,0 +1,65 @@ +# +# $Id: aliases,v 8.5 2002/06/05 22:54:26 gshapiro Exp $ +# @(#)aliases 8.2 (Berkeley) 3/5/94 +# +# Aliases in this file will NOT be expanded in the header from +# Mail, but WILL be visible over networks. +# +# >>>>>>>>>> The program "newaliases" must be run after +# >> NOTE >> this file is updated for any changes to +# >>>>>>>>>> show through to sendmail. +# +# +# See also RFC 2142, `MAILBOX NAMES FOR COMMON SERVICES, ROLES +# AND FUNCTIONS', May 1997 + +# Pretty much everything else in this file points to "root", so +# you should forward root's email to the system administrator. +# Delivering mail to root's mailbox or reading mail as root is +# inadvisable. + +# Uncomment and *CHANGE* this! +# root: insert-human-being-here + +# Basic system aliases -- these MUST be present +MAILER-DAEMON: postmaster +postmaster: root + +# General redirections for pseudo accounts +bin: root +daemon: root +games: root +mailnull: postmaster +smmsp: postmaster +ingres: root +nobody: root +system: root +toor: root + +# Well-known aliases +manager: root +dumper: root +operator: root + +# RFC 2142: BUSINESS-RELATED MAILBOX NAMES +# info: root +# marketing: root +# sales: root +# support: root + +# RFC 2142: NETWORK OPERATIONS MAILBOX NAMES +abuse: root +noc: root +security: root + +# RFC 2142: SUPPORT MAILBOX NAMES FOR SPECIFIC INTERNET SERVICES +hostmaster: root +usenet: root +news: usenet +webmaster: root +www: webmaster +uucp: root +ftp: root + +# Trap decode to catch security attacks +decode: root diff --git a/contrib/sendmail-8.13.4/sendmail/aliases.5 b/contrib/sendmail-8.13.4/sendmail/aliases.5 new file mode 100644 index 0000000000..32fb50c4fc --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/aliases.5 @@ -0,0 +1,131 @@ +.\" Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1983, 1997 Eric P. Allman. All rights reserved. +.\" Copyright (c) 1985, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: aliases.5,v 8.19 2004/07/12 05:39:21 ca Exp $ +.\" +.TH ALIASES 5 "$Date: 2004/07/12 05:39:21 $" +.SH NAME +aliases +\- aliases file for sendmail +.SH SYNOPSIS +.B aliases +.SH DESCRIPTION +This file describes user +ID +aliases used by +sendmail. +The file resides in +/etc/mail +and +is formatted as a series of lines of the form +.IP +name: addr_1, addr_2, addr_3, . . . +.PP +The +.I name +is the name to alias, and the +.I addr_n +are the aliases for that name. +.I addr_n +can be another alias, a local username, a local filename, +a command, +an include file, +or an external address. +.TP +.B Local Username +username +.IP +The username must be available via getpwnam(3). +.TP +.B Local Filename +/path/name +.IP +Messages are appended to the file specified by the full pathname +(starting with a slash (/)) +.TP +.B Command +|command +.IP +A command starts with a pipe symbol (|), +it receives messages via standard input. +.TP +.B Include File +:include: /path/name +.IP +The aliases in pathname are added to the aliases for +.I name. +.TP +.B E-Mail Address +user@domain +.IP +An e-mail address in RFC 822 format. +.PP +Lines beginning with white space are continuation lines. +Another way to continue lines is by placing a backslash +directly before a newline. +Lines beginning with +# +are comments. +.PP +Aliasing occurs only on local names. +Loops can not occur, since no message will be sent to any person more than once. +.PP +If an alias is found for +.IR name , +sendmail then checks for an alias for +.IR owner-name . +If it is found and the result of the lookup expands to a single +address, the envelope sender address of the message is rewritten to +that address. +If it is found and the result expands to more than one address, the +envelope sender address is changed to +.IR owner-name . +.PP +After aliasing has been done, local and valid recipients who have a +``.forward'' +file in their home directory have messages forwarded to the +list of users defined in that file. +.PP +This is only the raw data file; the actual aliasing information is +placed into a binary format in the file +/etc/mail/aliases.db +using the program +newaliases(1). +A +newaliases +command should be executed each time the aliases file is changed for the +change to take effect. +.SH SEE ALSO +newaliases(1), +dbm(3), +dbopen(3), +db_open(3), +sendmail(8) +.PP +.I +SENDMAIL Installation and Operation Guide. +.PP +.I +SENDMAIL An Internetwork Mail Router. +.SH BUGS +If you have compiled +sendmail +with DBM support instead of NEWDB, +you may have encountered problems in +dbm(3) +restricting a single alias to about 1000 bytes of information. +You can get longer aliases by ``chaining''; that is, make the last name in +the alias be a dummy name which is a continuation alias. +.SH HISTORY +The +.B aliases +file format appeared in +4.0BSD. diff --git a/contrib/sendmail-8.13.4/sendmail/arpadate.c b/contrib/sendmail-8.13.4/sendmail/arpadate.c new file mode 100644 index 0000000000..16082cd259 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/arpadate.c @@ -0,0 +1,203 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: arpadate.c,v 8.30 2001/09/11 04:05:12 gshapiro Exp $") + +/* +** ARPADATE -- Create date in ARPANET format +** +** Parameters: +** ud -- unix style date string. if NULL, one is created. +** +** Returns: +** pointer to an ARPANET date field +** +** Side Effects: +** none +** +** WARNING: +** date is stored in a local buffer -- subsequent +** calls will overwrite. +** +** Bugs: +** Timezone is computed from local time, rather than +** from wherever (and whenever) the message was sent. +** To do better is very hard. +** +** Some sites are now inserting the timezone into the +** local date. This routine should figure out what +** the format is and work appropriately. +*/ + +#ifndef TZNAME_MAX +# define TZNAME_MAX 50 /* max size of timezone */ +#endif /* ! TZNAME_MAX */ + +/* values for TZ_TYPE */ +#define TZ_NONE 0 /* no character timezone support */ +#define TZ_TM_NAME 1 /* use tm->tm_name */ +#define TZ_TM_ZONE 2 /* use tm->tm_zone */ +#define TZ_TZNAME 3 /* use tzname[] */ +#define TZ_TIMEZONE 4 /* use timezone() */ + +char * +arpadate(ud) + register char *ud; +{ + register char *p; + register char *q; + register int off; + register int i; + register struct tm *lt; + time_t t; + struct tm gmt; + char *tz; + static char b[43 + TZNAME_MAX]; + + /* + ** Get current time. + ** This will be used if a null argument is passed and + ** to resolve the timezone. + */ + + /* SM_REQUIRE(ud == NULL || strlen(ud) >= 23); */ + t = curtime(); + if (ud == NULL) + ud = ctime(&t); + + /* + ** Crack the UNIX date line in a singularly unoriginal way. + */ + + q = b; + + p = &ud[0]; /* Mon */ + *q++ = *p++; + *q++ = *p++; + *q++ = *p++; + *q++ = ','; + *q++ = ' '; + + p = &ud[8]; /* 16 */ + if (*p == ' ') + p++; + else + *q++ = *p++; + *q++ = *p++; + *q++ = ' '; + + p = &ud[4]; /* Sep */ + *q++ = *p++; + *q++ = *p++; + *q++ = *p++; + *q++ = ' '; + + p = &ud[20]; /* 1979 */ + *q++ = *p++; + *q++ = *p++; + *q++ = *p++; + *q++ = *p++; + *q++ = ' '; + + p = &ud[11]; /* 01:03:52 */ + for (i = 8; i > 0; i--) + *q++ = *p++; + + /* + ** should really get the timezone from the time in "ud" (which + ** is only different if a non-null arg was passed which is different + ** from the current time), but for all practical purposes, returning + ** the current local zone will do (its all that is ever needed). + */ + + gmt = *gmtime(&t); + lt = localtime(&t); + + off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min; + + /* assume that offset isn't more than a day ... */ + if (lt->tm_year < gmt.tm_year) + off -= 24 * 60; + else if (lt->tm_year > gmt.tm_year) + off += 24 * 60; + else if (lt->tm_yday < gmt.tm_yday) + off -= 24 * 60; + else if (lt->tm_yday > gmt.tm_yday) + off += 24 * 60; + + *q++ = ' '; + if (off == 0) + { + *q++ = 'G'; + *q++ = 'M'; + *q++ = 'T'; + } + else + { + tz = NULL; +#if TZ_TYPE == TZ_TM_NAME + tz = lt->tm_name; +#endif /* TZ_TYPE == TZ_TM_NAME */ +#if TZ_TYPE == TZ_TM_ZONE + tz = lt->tm_zone; +#endif /* TZ_TYPE == TZ_TM_ZONE */ +#if TZ_TYPE == TZ_TZNAME + { + extern char *tzname[]; + + if (lt->tm_isdst > 0) + tz = tzname[1]; + else if (lt->tm_isdst == 0) + tz = tzname[0]; + else + tz = NULL; + } +#endif /* TZ_TYPE == TZ_TZNAME */ +#if TZ_TYPE == TZ_TIMEZONE + { + extern char *timezone(); + + tz = timezone(off, lt->tm_isdst); + } +#endif /* TZ_TYPE == TZ_TIMEZONE */ + if (off < 0) + { + off = -off; + *q++ = '-'; + } + else + *q++ = '+'; + + if (off >= 24*60) /* should be impossible */ + off = 23*60+59; /* if not, insert silly value */ + + *q++ = (off / 600) + '0'; + *q++ = (off / 60) % 10 + '0'; + off %= 60; + *q++ = (off / 10) + '0'; + *q++ = (off % 10) + '0'; + if (tz != NULL && *tz != '\0') + { + *q++ = ' '; + *q++ = '('; + while (*tz != '\0' && q < &b[sizeof b - 3]) + *q++ = *tz++; + *q++ = ')'; + } + } + *q = '\0'; + + return b; +} diff --git a/contrib/sendmail-8.13.4/sendmail/bf.c b/contrib/sendmail-8.13.4/sendmail/bf.c new file mode 100644 index 0000000000..87bef77a20 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/bf.c @@ -0,0 +1,861 @@ +/* + * Copyright (c) 1999-2002, 2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * Contributed by Exactis.com, Inc. + * + */ + +/* +** This is in transition. Changed from the original bf_torek.c code +** to use sm_io function calls directly rather than through stdio +** translation layer. Will be made a built-in file type of libsm +** next (once safeopen() linkable from libsm). +*/ + +#include +SM_RCSID("@(#)$Id: bf.c,v 8.61 2004/08/03 23:59:02 ca Exp $") + +#include +#include +#include +#include +#include +#include +#include +#include +#include "sendmail.h" +#include "bf.h" + +#include + +/* bf io functions */ +static ssize_t sm_bfread __P((SM_FILE_T *, char *, size_t)); +static ssize_t sm_bfwrite __P((SM_FILE_T *, const char *, size_t)); +static off_t sm_bfseek __P((SM_FILE_T *, off_t, int)); +static int sm_bfclose __P((SM_FILE_T *)); +static int sm_bfcommit __P((SM_FILE_T *)); +static int sm_bftruncate __P((SM_FILE_T *)); + +static int sm_bfopen __P((SM_FILE_T *, const void *, int, const void *)); +static int sm_bfsetinfo __P((SM_FILE_T *, int , void *)); +static int sm_bfgetinfo __P((SM_FILE_T *, int , void *)); + +/* +** Data structure for storing information about each buffered file +** (Originally in sendmail/bf_torek.h for the curious.) +*/ + +struct bf +{ + bool bf_committed; /* Has this buffered file been committed? */ + bool bf_ondisk; /* On disk: committed or buffer overflow */ + long bf_flags; + int bf_disk_fd; /* If on disk, associated file descriptor */ + char *bf_buf; /* Memory buffer */ + int bf_bufsize; /* Length of above buffer */ + int bf_buffilled; /* Bytes of buffer actually filled */ + char *bf_filename; /* Name of buffered file, if ever committed */ + MODE_T bf_filemode; /* Mode of buffered file, if ever committed */ + off_t bf_offset; /* Currect file offset */ + int bf_size; /* Total current size of file */ +}; + +#ifdef BF_STANDALONE +# define OPEN(fn, omode, cmode, sff) open(fn, omode, cmode) +#else /* BF_STANDALONE */ +# define OPEN(fn, omode, cmode, sff) safeopen(fn, omode, cmode, sff) +#endif /* BF_STANDALONE */ + +struct bf_info +{ + char *bi_filename; + MODE_T bi_fmode; + size_t bi_bsize; + long bi_flags; +}; + +/* +** SM_BFOPEN -- the "base" open function called by sm_io_open() for the +** internal, file-type-specific info setup. +** +** Parameters: +** fp -- file pointer being filled-in for file being open'd +** info -- information about file being opened +** flags -- ignored +** rpool -- ignored (currently) +** +** Returns: +** Failure: -1 and sets errno +** Success: 0 (zero) +*/ + +static int +sm_bfopen(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + char *filename; + MODE_T fmode; + size_t bsize; + long sflags; + struct bf *bfp; + int l; + struct stat st; + + filename = ((struct bf_info *) info)->bi_filename; + fmode = ((struct bf_info *) info)->bi_fmode; + bsize = ((struct bf_info *) info)->bi_bsize; + sflags = ((struct bf_info *) info)->bi_flags; + + /* Sanity checks */ + if (*filename == '\0') + { + /* Empty filename string */ + errno = ENOENT; + return -1; + } + if (stat(filename, &st) == 0) + { + /* File already exists on disk */ + errno = EEXIST; + return -1; + } + + /* Allocate memory */ + bfp = (struct bf *) sm_malloc(sizeof(struct bf)); + if (bfp == NULL) + { + errno = ENOMEM; + return -1; + } + + /* Assign data buffer */ + /* A zero bsize is valid, just don't allocate memory */ + if (bsize > 0) + { + bfp->bf_buf = (char *) sm_malloc(bsize); + if (bfp->bf_buf == NULL) + { + bfp->bf_bufsize = 0; + sm_free(bfp); + errno = ENOMEM; + return -1; + } + } + else + bfp->bf_buf = NULL; + + /* Nearly home free, just set all the parameters now */ + bfp->bf_committed = false; + bfp->bf_ondisk = false; + bfp->bf_flags = sflags; + bfp->bf_bufsize = bsize; + bfp->bf_buffilled = 0; + l = strlen(filename) + 1; + bfp->bf_filename = (char *) sm_malloc(l); + if (bfp->bf_filename == NULL) + { + if (bfp->bf_buf != NULL) + sm_free(bfp->bf_buf); + sm_free(bfp); + errno = ENOMEM; + return -1; + } + (void) sm_strlcpy(bfp->bf_filename, filename, l); + bfp->bf_filemode = fmode; + bfp->bf_offset = 0; + bfp->bf_size = 0; + bfp->bf_disk_fd = -1; + fp->f_cookie = bfp; + + if (tTd(58, 8)) + sm_dprintf("sm_bfopen(%s)\n", filename); + + return 0; +} + +/* +** BFOPEN -- create a new buffered file +** +** Parameters: +** filename -- the file's name +** fmode -- what mode the file should be created as +** bsize -- amount of buffer space to allocate (may be 0) +** flags -- if running under sendmail, passed directly to safeopen +** +** Returns: +** a SM_FILE_T * which may then be used with stdio functions, +** or NULL on failure. SM_FILE_T * is opened for writing +** "SM_IO_WHAT_VECTORS"). +** +** Side Effects: +** none. +** +** Sets errno: +** any value of errno specified by sm_io_setinfo_type() +** any value of errno specified by sm_io_open() +** any value of errno specified by sm_io_setinfo() +*/ + +#ifdef __STDC__ +/* +** XXX This is a temporary hack since MODE_T on HP-UX 10.x is short. +** If we use K&R here, the compiler will complain about +** Inconsistent parameter list declaration +** due to the change from short to int. +*/ + +SM_FILE_T * +bfopen(char *filename, MODE_T fmode, size_t bsize, long flags) +#else /* __STDC__ */ +SM_FILE_T * +bfopen(filename, fmode, bsize, flags) + char *filename; + MODE_T fmode; + size_t bsize; + long flags; +#endif /* __STDC__ */ +{ + MODE_T omask; + SM_FILE_T SM_IO_SET_TYPE(vector, BF_FILE_TYPE, sm_bfopen, sm_bfclose, + sm_bfread, sm_bfwrite, sm_bfseek, sm_bfgetinfo, sm_bfsetinfo, + SM_TIME_FOREVER); + struct bf_info info; + + /* + ** Apply current umask to fmode as it may change by the time + ** the file is actually created. fmode becomes the true + ** permissions of the file, which OPEN() must obey. + */ + + omask = umask(0); + fmode &= ~omask; + (void) umask(omask); + + SM_IO_INIT_TYPE(vector, BF_FILE_TYPE, sm_bfopen, sm_bfclose, + sm_bfread, sm_bfwrite, sm_bfseek, sm_bfgetinfo, sm_bfsetinfo, + SM_TIME_FOREVER); + info.bi_filename = filename; + info.bi_fmode = fmode; + info.bi_bsize = bsize; + info.bi_flags = flags; + + return sm_io_open(&vector, SM_TIME_DEFAULT, &info, SM_IO_RDWR, NULL); +} + +/* +** SM_BFGETINFO -- returns info about an open file pointer +** +** Parameters: +** fp -- file pointer to get info about +** what -- type of info to obtain +** valp -- thing to return the info in +*/ + +static int +sm_bfgetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + struct bf *bfp; + + bfp = (struct bf *) fp->f_cookie; + switch (what) + { + case SM_IO_WHAT_FD: + return bfp->bf_disk_fd; + case SM_IO_WHAT_SIZE: + return bfp->bf_size; + default: + return -1; + } +} + +/* +** SM_BFCLOSE -- close a buffered file +** +** Parameters: +** fp -- cookie of file to close +** +** Returns: +** 0 to indicate success +** +** Side Effects: +** deletes backing file, sm_frees memory. +** +** Sets errno: +** never. +*/ + +static int +sm_bfclose(fp) + SM_FILE_T *fp; +{ + struct bf *bfp; + + /* Cast cookie back to correct type */ + bfp = (struct bf *) fp->f_cookie; + + /* Need to clean up the file */ + if (bfp->bf_ondisk && !bfp->bf_committed) + unlink(bfp->bf_filename); + sm_free(bfp->bf_filename); + + if (bfp->bf_disk_fd != -1) + close(bfp->bf_disk_fd); + + /* Need to sm_free the buffer */ + if (bfp->bf_bufsize > 0) + sm_free(bfp->bf_buf); + + /* Finally, sm_free the structure */ + sm_free(bfp); + return 0; +} + +/* +** SM_BFREAD -- read a buffered file +** +** Parameters: +** cookie -- cookie of file to read +** buf -- buffer to fill +** nbytes -- how many bytes to read +** +** Returns: +** number of bytes read or -1 indicate failure +** +** Side Effects: +** none. +** +*/ + +static ssize_t +sm_bfread(fp, buf, nbytes) + SM_FILE_T *fp; + char *buf; + size_t nbytes; +{ + struct bf *bfp; + ssize_t count = 0; /* Number of bytes put in buf so far */ + int retval; + + /* Cast cookie back to correct type */ + bfp = (struct bf *) fp->f_cookie; + + if (bfp->bf_offset < bfp->bf_buffilled) + { + /* Need to grab some from buffer */ + count = nbytes; + if ((bfp->bf_offset + count) > bfp->bf_buffilled) + count = bfp->bf_buffilled - bfp->bf_offset; + + memcpy(buf, bfp->bf_buf + bfp->bf_offset, count); + } + + if ((bfp->bf_offset + nbytes) > bfp->bf_buffilled) + { + /* Need to grab some from file */ + if (!bfp->bf_ondisk) + { + /* Oops, the file doesn't exist. EOF. */ + if (tTd(58, 8)) + sm_dprintf("sm_bfread(%s): to disk\n", + bfp->bf_filename); + goto finished; + } + + /* Catch a read() on an earlier failed write to disk */ + if (bfp->bf_disk_fd < 0) + { + errno = EIO; + return -1; + } + + if (lseek(bfp->bf_disk_fd, + bfp->bf_offset + count, SEEK_SET) < 0) + { + if ((errno == EINVAL) || (errno == ESPIPE)) + { + /* + ** stdio won't be expecting these + ** errnos from read()! Change them + ** into something it can understand. + */ + + errno = EIO; + } + return -1; + } + + while (count < nbytes) + { + retval = read(bfp->bf_disk_fd, + buf + count, + nbytes - count); + if (retval < 0) + { + /* errno is set implicitly by read() */ + return -1; + } + else if (retval == 0) + goto finished; + else + count += retval; + } + } + +finished: + bfp->bf_offset += count; + return count; +} + +/* +** SM_BFSEEK -- seek to a position in a buffered file +** +** Parameters: +** fp -- fp of file to seek +** offset -- position to seek to +** whence -- how to seek +** +** Returns: +** new file offset or -1 indicate failure +** +** Side Effects: +** none. +** +*/ + +static off_t +sm_bfseek(fp, offset, whence) + SM_FILE_T *fp; + off_t offset; + int whence; + +{ + struct bf *bfp; + + /* Cast cookie back to correct type */ + bfp = (struct bf *) fp->f_cookie; + + switch (whence) + { + case SEEK_SET: + bfp->bf_offset = offset; + break; + + case SEEK_CUR: + bfp->bf_offset += offset; + break; + + case SEEK_END: + bfp->bf_offset = bfp->bf_size + offset; + break; + + default: + errno = EINVAL; + return -1; + } + return bfp->bf_offset; +} + +/* +** SM_BFWRITE -- write to a buffered file +** +** Parameters: +** fp -- fp of file to write +** buf -- data buffer +** nbytes -- how many bytes to write +** +** Returns: +** number of bytes written or -1 indicate failure +** +** Side Effects: +** may create backing file if over memory limit for file. +** +*/ + +static ssize_t +sm_bfwrite(fp, buf, nbytes) + SM_FILE_T *fp; + const char *buf; + size_t nbytes; +{ + struct bf *bfp; + ssize_t count = 0; /* Number of bytes written so far */ + int retval; + + /* Cast cookie back to correct type */ + bfp = (struct bf *) fp->f_cookie; + + /* If committed, go straight to disk */ + if (bfp->bf_committed) + { + if (lseek(bfp->bf_disk_fd, bfp->bf_offset, SEEK_SET) < 0) + { + if ((errno == EINVAL) || (errno == ESPIPE)) + { + /* + ** stdio won't be expecting these + ** errnos from write()! Change them + ** into something it can understand. + */ + + errno = EIO; + } + return -1; + } + + count = write(bfp->bf_disk_fd, buf, nbytes); + if (count < 0) + { + /* errno is set implicitly by write() */ + return -1; + } + goto finished; + } + + if (bfp->bf_offset < bfp->bf_bufsize) + { + /* Need to put some in buffer */ + count = nbytes; + if ((bfp->bf_offset + count) > bfp->bf_bufsize) + count = bfp->bf_bufsize - bfp->bf_offset; + + memcpy(bfp->bf_buf + bfp->bf_offset, buf, count); + if ((bfp->bf_offset + count) > bfp->bf_buffilled) + bfp->bf_buffilled = bfp->bf_offset + count; + } + + if ((bfp->bf_offset + nbytes) > bfp->bf_bufsize) + { + /* Need to put some in file */ + if (!bfp->bf_ondisk) + { + MODE_T omask; + + /* Clear umask as bf_filemode are the true perms */ + omask = umask(0); + retval = OPEN(bfp->bf_filename, + O_RDWR | O_CREAT | O_TRUNC | QF_O_EXTRA, + bfp->bf_filemode, bfp->bf_flags); + (void) umask(omask); + + /* Couldn't create file: failure */ + if (retval < 0) + { + /* + ** stdio may not be expecting these + ** errnos from write()! Change to + ** something which it can understand. + ** Note that ENOSPC and EDQUOT are saved + ** because they are actually valid for + ** write(). + */ + + if (!(errno == ENOSPC +#ifdef EDQUOT + || errno == EDQUOT +#endif /* EDQUOT */ + )) + errno = EIO; + + return -1; + } + bfp->bf_disk_fd = retval; + bfp->bf_ondisk = true; + } + + /* Catch a write() on an earlier failed write to disk */ + if (bfp->bf_ondisk && bfp->bf_disk_fd < 0) + { + errno = EIO; + return -1; + } + + if (lseek(bfp->bf_disk_fd, + bfp->bf_offset + count, SEEK_SET) < 0) + { + if ((errno == EINVAL) || (errno == ESPIPE)) + { + /* + ** stdio won't be expecting these + ** errnos from write()! Change them into + ** something which it can understand. + */ + + errno = EIO; + } + return -1; + } + + while (count < nbytes) + { + retval = write(bfp->bf_disk_fd, buf + count, + nbytes - count); + if (retval < 0) + { + /* errno is set implicitly by write() */ + return -1; + } + else + count += retval; + } + } + +finished: + bfp->bf_offset += count; + if (bfp->bf_offset > bfp->bf_size) + bfp->bf_size = bfp->bf_offset; + return count; +} + +/* +** BFREWIND -- rewinds the SM_FILE_T * +** +** Parameters: +** fp -- SM_FILE_T * to rewind +** +** Returns: +** 0 on success, -1 on error +** +** Side Effects: +** rewinds the SM_FILE_T * and puts it into read mode. Normally +** one would bfopen() a file, write to it, then bfrewind() and +** fread(). If fp is not a buffered file, this is equivalent to +** rewind(). +** +** Sets errno: +** any value of errno specified by sm_io_rewind() +*/ + +int +bfrewind(fp) + SM_FILE_T *fp; +{ + (void) sm_io_flush(fp, SM_TIME_DEFAULT); + sm_io_clearerr(fp); /* quicker just to do it */ + return sm_io_seek(fp, SM_TIME_DEFAULT, 0, SM_IO_SEEK_SET); +} + +/* +** SM_BFCOMMIT -- "commits" the buffered file +** +** Parameters: +** fp -- SM_FILE_T * to commit to disk +** +** Returns: +** 0 on success, -1 on error +** +** Side Effects: +** Forces the given SM_FILE_T * to be written to disk if it is not +** already, and ensures that it will be kept after closing. If +** fp is not a buffered file, this is a no-op. +** +** Sets errno: +** any value of errno specified by open() +** any value of errno specified by write() +** any value of errno specified by lseek() +*/ + +static int +sm_bfcommit(fp) + SM_FILE_T *fp; +{ + struct bf *bfp; + int retval; + int byteswritten; + + /* Get associated bf structure */ + bfp = (struct bf *) fp->f_cookie; + + /* If already committed, noop */ + if (bfp->bf_committed) + return 0; + + /* Do we need to open a file? */ + if (!bfp->bf_ondisk) + { + int save_errno; + MODE_T omask; + struct stat st; + + if (tTd(58, 8)) + { + sm_dprintf("bfcommit(%s): to disk\n", bfp->bf_filename); + if (tTd(58, 32)) + sm_dprintf("bfcommit(): filemode %o flags %ld\n", + bfp->bf_filemode, bfp->bf_flags); + } + + if (stat(bfp->bf_filename, &st) == 0) + { + errno = EEXIST; + return -1; + } + + /* Clear umask as bf_filemode are the true perms */ + omask = umask(0); + retval = OPEN(bfp->bf_filename, + O_RDWR | O_CREAT | O_EXCL | QF_O_EXTRA, + bfp->bf_filemode, bfp->bf_flags); + save_errno = errno; + (void) umask(omask); + + /* Couldn't create file: failure */ + if (retval < 0) + { + /* errno is set implicitly by open() */ + errno = save_errno; + return -1; + } + + bfp->bf_disk_fd = retval; + bfp->bf_ondisk = true; + } + + /* Write out the contents of our buffer, if we have any */ + if (bfp->bf_buffilled > 0) + { + byteswritten = 0; + + if (lseek(bfp->bf_disk_fd, 0, SEEK_SET) < 0) + { + /* errno is set implicitly by lseek() */ + return -1; + } + + while (byteswritten < bfp->bf_buffilled) + { + retval = write(bfp->bf_disk_fd, + bfp->bf_buf + byteswritten, + bfp->bf_buffilled - byteswritten); + if (retval < 0) + { + /* errno is set implicitly by write() */ + return -1; + } + else + byteswritten += retval; + } + } + bfp->bf_committed = true; + + /* Invalidate buf; all goes to file now */ + bfp->bf_buffilled = 0; + if (bfp->bf_bufsize > 0) + { + /* Don't need buffer anymore; free it */ + bfp->bf_bufsize = 0; + sm_free(bfp->bf_buf); + } + return 0; +} + +/* +** SM_BFTRUNCATE -- rewinds and truncates the SM_FILE_T * +** +** Parameters: +** fp -- SM_FILE_T * to truncate +** +** Returns: +** 0 on success, -1 on error +** +** Side Effects: +** rewinds the SM_FILE_T *, truncates it to zero length, and puts +** it into write mode. +** +** Sets errno: +** any value of errno specified by fseek() +** any value of errno specified by ftruncate() +*/ + +static int +sm_bftruncate(fp) + SM_FILE_T *fp; +{ + struct bf *bfp; + + if (bfrewind(fp) < 0) + return -1; + + /* Get bf structure */ + bfp = (struct bf *) fp->f_cookie; + bfp->bf_buffilled = 0; + bfp->bf_size = 0; + + /* Need to zero the buffer */ + if (bfp->bf_bufsize > 0) + memset(bfp->bf_buf, '\0', bfp->bf_bufsize); + if (bfp->bf_ondisk) + { +#if NOFTRUNCATE + /* XXX: Not much we can do except rewind it */ + errno = EINVAL; + return -1; +#else /* NOFTRUNCATE */ + return ftruncate(bfp->bf_disk_fd, 0); +#endif /* NOFTRUNCATE */ + } + return 0; +} + +/* +** SM_BFSETINFO -- set/change info for an open file pointer +** +** Parameters: +** fp -- file pointer to get info about +** what -- type of info to set/change +** valp -- thing to set/change the info to +** +*/ + +static int +sm_bfsetinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + struct bf *bfp; + int bsize; + + /* Get bf structure */ + bfp = (struct bf *) fp->f_cookie; + switch (what) + { + case SM_BF_SETBUFSIZE: + bsize = *((int *) valp); + bfp->bf_bufsize = bsize; + + /* A zero bsize is valid, just don't allocate memory */ + if (bsize > 0) + { + bfp->bf_buf = (char *) sm_malloc(bsize); + if (bfp->bf_buf == NULL) + { + bfp->bf_bufsize = 0; + errno = ENOMEM; + return -1; + } + } + else + bfp->bf_buf = NULL; + return 0; + case SM_BF_COMMIT: + return sm_bfcommit(fp); + case SM_BF_TRUNCATE: + return sm_bftruncate(fp); + case SM_BF_TEST: + return 1; /* always */ + default: + errno = EINVAL; + return -1; + } +} diff --git a/contrib/sendmail-8.13.4/sendmail/bf.h b/contrib/sendmail-8.13.4/sendmail/bf.h new file mode 100644 index 0000000000..5a02292c1c --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/bf.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: bf.h,v 8.16 2002/04/15 02:37:09 ca Exp $ + * + * Contributed by Exactis.com, Inc. + * + */ + +#ifndef BF_H +# define BF_H 1 + +extern SM_FILE_T *bfopen __P((char *, MODE_T, size_t, long)); +extern int bfcommit __P((SM_FILE_T *)); +extern int bfrewind __P((SM_FILE_T *)); +extern int bftruncate __P((SM_FILE_T *)); +extern int bfclose __P((SM_FILE_T *)); +extern bool bftest __P((SM_FILE_T *)); + +/* "what" flags for sm_io_setinfo() for the SM_FILE_TYPE file type */ +# define SM_BF_SETBUFSIZE 1000 /* set buffer size */ +# define SM_BF_COMMIT 1001 /* commit file to disk */ +# define SM_BF_TRUNCATE 1002 /* truncate the file */ +# define SM_BF_TEST 1003 /* historical support; temp */ + +# define BF_FILE_TYPE "SendmailBufferedFile" +#endif /* ! BF_H */ diff --git a/contrib/sendmail-8.13.4/sendmail/collect.c b/contrib/sendmail-8.13.4/sendmail/collect.c new file mode 100644 index 0000000000..101bcd047c --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/collect.c @@ -0,0 +1,1122 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: collect.c,v 8.261 2005/02/16 23:38:51 ca Exp $") + +static void collecttimeout __P((int)); +static void eatfrom __P((char *volatile, ENVELOPE *)); +static void collect_doheader __P((ENVELOPE *)); +static SM_FILE_T *collect_dfopen __P((ENVELOPE *)); +static SM_FILE_T *collect_eoh __P((ENVELOPE *, int, int)); + +/* +** COLLECT_EOH -- end-of-header processing in collect() +** +** Called by collect() when it encounters the blank line +** separating the header from the message body, or when it +** encounters EOF in a message that contains only a header. +** +** Parameters: +** e -- envelope +** numhdrs -- number of headers +** hdrslen -- length of headers +** +** Results: +** NULL, or handle to open data file +** +** Side Effects: +** end-of-header check ruleset is invoked. +** envelope state is updated. +** headers may be added and deleted. +** selects the queue. +** opens the data file. +*/ + +static SM_FILE_T * +collect_eoh(e, numhdrs, hdrslen) + ENVELOPE *e; + int numhdrs; + int hdrslen; +{ + char hnum[16]; + char hsize[16]; + + /* call the end-of-header check ruleset */ + (void) sm_snprintf(hnum, sizeof hnum, "%d", numhdrs); + (void) sm_snprintf(hsize, sizeof hsize, "%d", hdrslen); + if (tTd(30, 10)) + sm_dprintf("collect: rscheck(\"check_eoh\", \"%s $| %s\")\n", + hnum, hsize); + (void) rscheck("check_eoh", hnum, hsize, e, RSF_UNSTRUCTURED|RSF_COUNT, + 3, NULL, e->e_id); + + /* + ** Process the header, + ** select the queue, open the data file. + */ + + collect_doheader(e); + return collect_dfopen(e); +} + +/* +** COLLECT_DOHEADER -- process header in collect() +** +** Called by collect() after it has finished parsing the header, +** but before it selects the queue and creates the data file. +** The results of processing the header will affect queue selection. +** +** Parameters: +** e -- envelope +** +** Results: +** none. +** +** Side Effects: +** envelope state is updated. +** headers may be added and deleted. +*/ + +static void +collect_doheader(e) + ENVELOPE *e; +{ + /* + ** Find out some information from the headers. + ** Examples are who is the from person & the date. + */ + + eatheader(e, true, false); + + if (GrabTo && e->e_sendqueue == NULL) + usrerr("No recipient addresses found in header"); + + /* + ** If we have a Return-Receipt-To:, turn it into a DSN. + */ + + if (RrtImpliesDsn && hvalue("return-receipt-to", e->e_header) != NULL) + { + ADDRESS *q; + + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + if (!bitset(QHASNOTIFY, q->q_flags)) + q->q_flags |= QHASNOTIFY|QPINGONSUCCESS; + } + + /* + ** Add an appropriate recipient line if we have none. + */ + + if (hvalue("to", e->e_header) != NULL || + hvalue("cc", e->e_header) != NULL || + hvalue("apparently-to", e->e_header) != NULL) + { + /* have a valid recipient header -- delete Bcc: headers */ + e->e_flags |= EF_DELETE_BCC; + } + else if (hvalue("bcc", e->e_header) == NULL) + { + /* no valid recipient headers */ + register ADDRESS *q; + char *hdr = NULL; + + /* create a recipient field */ + switch (NoRecipientAction) + { + case NRA_ADD_APPARENTLY_TO: + hdr = "Apparently-To"; + break; + + case NRA_ADD_TO: + hdr = "To"; + break; + + case NRA_ADD_BCC: + addheader("Bcc", " ", 0, e); + break; + + case NRA_ADD_TO_UNDISCLOSED: + addheader("To", "undisclosed-recipients:;", 0, e); + break; + } + + if (hdr != NULL) + { + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (q->q_alias != NULL) + continue; + if (tTd(30, 3)) + sm_dprintf("Adding %s: %s\n", + hdr, q->q_paddr); + addheader(hdr, q->q_paddr, 0, e); + } + } + } +} + +/* +** COLLECT_DFOPEN -- open the message data file +** +** Called by collect() after it has finished processing the header. +** Queue selection occurs at this point, possibly based on the +** envelope's recipient list and on header information. +** +** Parameters: +** e -- envelope +** +** Results: +** NULL, or a pointer to an open data file, +** into which the message body will be written by collect(). +** +** Side Effects: +** Calls syserr, sets EF_FATALERRS and returns NULL +** if there is insufficient disk space. +** Aborts process if data file could not be opened. +** Otherwise, the queue is selected, +** e->e_{dfino,dfdev,msgsize,flags} are updated, +** and a pointer to an open data file is returned. +*/ + +static SM_FILE_T * +collect_dfopen(e) + ENVELOPE *e; +{ + MODE_T oldumask = 0; + int dfd; + struct stat stbuf; + SM_FILE_T *df; + char *dfname; + + if (!setnewqueue(e)) + return NULL; + + dfname = queuename(e, DATAFL_LETTER); + if (bitset(S_IWGRP, QueueFileMode)) + oldumask = umask(002); + df = bfopen(dfname, QueueFileMode, DataFileBufferSize, + SFF_OPENASROOT); + if (bitset(S_IWGRP, QueueFileMode)) + (void) umask(oldumask); + if (df == NULL) + { + syserr("@Cannot create %s", dfname); + e->e_flags |= EF_NO_BODY_RETN; + flush_errors(true); + finis(false, true, ExitStat); + /* NOTREACHED */ + } + dfd = sm_io_getinfo(df, SM_IO_WHAT_FD, NULL); + if (dfd < 0 || fstat(dfd, &stbuf) < 0) + e->e_dfino = -1; + else + { + e->e_dfdev = stbuf.st_dev; + e->e_dfino = stbuf.st_ino; + } + e->e_flags |= EF_HAS_DF; + return df; +} + +/* +** COLLECT -- read & parse message header & make temp file. +** +** Creates a temporary file name and copies the standard +** input to that file. Leading UNIX-style "From" lines are +** stripped off (after important information is extracted). +** +** Parameters: +** fp -- file to read. +** smtpmode -- if set, we are running SMTP: give an RFC821 +** style message to say we are ready to collect +** input, and never ignore a single dot to mean +** end of message. +** hdrp -- the location to stash the header. +** e -- the current envelope. +** rsetsize -- reset e_msgsize? +** +** Returns: +** none. +** +** Side Effects: +** If successful, +** - Data file is created and filled, and e->e_dfp is set. +** - The from person may be set. +** If the "enough disk space" check fails, +** - syserr is called. +** - e->e_dfp is NULL. +** - e->e_flags & EF_FATALERRS is set. +** - collect() returns. +** If data file cannot be created, the process is terminated. +*/ + +static jmp_buf CtxCollectTimeout; +static bool volatile CollectProgress; +static SM_EVENT *volatile CollectTimeout = NULL; + +/* values for input state machine */ +#define IS_NORM 0 /* middle of line */ +#define IS_BOL 1 /* beginning of line */ +#define IS_DOT 2 /* read a dot at beginning of line */ +#define IS_DOTCR 3 /* read ".\r" at beginning of line */ +#define IS_CR 4 /* read a carriage return */ + +/* values for message state machine */ +#define MS_UFROM 0 /* reading Unix from line */ +#define MS_HEADER 1 /* reading message header */ +#define MS_BODY 2 /* reading message body */ +#define MS_DISCARD 3 /* discarding rest of message */ + +void +collect(fp, smtpmode, hdrp, e, rsetsize) + SM_FILE_T *fp; + bool smtpmode; + HDR **hdrp; + register ENVELOPE *e; + bool rsetsize; +{ + register SM_FILE_T *volatile df; + volatile bool ignrdot; + volatile int dbto; + register char *volatile bp; + volatile int c; + volatile bool inputerr; + bool headeronly; + char *volatile buf; + volatile int buflen; + volatile int istate; + volatile int mstate; + volatile int hdrslen; + volatile int numhdrs; + volatile int afd; + unsigned char *volatile pbp; + unsigned char peekbuf[8]; + char bufbuf[MAXLINE]; + + df = NULL; + ignrdot = smtpmode ? false : IgnrDot; + dbto = smtpmode ? (int) TimeOuts.to_datablock : 0; + c = SM_IO_EOF; + inputerr = false; + headeronly = hdrp != NULL; + hdrslen = 0; + numhdrs = 0; + HasEightBits = false; + buf = bp = bufbuf; + buflen = sizeof bufbuf; + pbp = peekbuf; + istate = IS_BOL; + mstate = SaveFrom ? MS_HEADER : MS_UFROM; + CollectProgress = false; + + /* + ** Tell ARPANET to go ahead. + */ + + if (smtpmode) + message("354 Enter mail, end with \".\" on a line by itself"); + + if (tTd(30, 2)) + sm_dprintf("collect\n"); + + /* + ** Read the message. + ** + ** This is done using two interleaved state machines. + ** The input state machine is looking for things like + ** hidden dots; the message state machine is handling + ** the larger picture (e.g., header versus body). + */ + + if (dbto != 0) + { + /* handle possible input timeout */ + if (setjmp(CtxCollectTimeout) != 0) + { + if (LogLevel > 2) + sm_syslog(LOG_NOTICE, e->e_id, + "timeout waiting for input from %s during message collect", + CURHOSTNAME); + errno = 0; + if (smtpmode) + { + /* + ** Override e_message in usrerr() as this + ** is the reason for failure that should + ** be logged for undelivered recipients. + */ + + e->e_message = NULL; + } + usrerr("451 4.4.1 timeout waiting for input during message collect"); + goto readerr; + } + CollectTimeout = sm_setevent(dbto, collecttimeout, dbto); + } + + if (rsetsize) + e->e_msgsize = 0; + for (;;) + { + if (tTd(30, 35)) + sm_dprintf("top, istate=%d, mstate=%d\n", istate, + mstate); + for (;;) + { + if (pbp > peekbuf) + c = *--pbp; + else + { + while (!sm_io_eof(fp) && !sm_io_error(fp)) + { + errno = 0; + c = sm_io_getc(fp, SM_TIME_DEFAULT); + if (c == SM_IO_EOF && errno == EINTR) + { + /* Interrupted, retry */ + sm_io_clearerr(fp); + continue; + } + break; + } + CollectProgress = true; + if (TrafficLogFile != NULL && !headeronly) + { + if (istate == IS_BOL) + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "%05d <<< ", + (int) CurrentPid); + if (c == SM_IO_EOF) + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "[EOF]\n"); + else + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + c); + } + if (c == SM_IO_EOF) + goto readerr; + if (SevenBitInput) + c &= 0x7f; + else + HasEightBits |= bitset(0x80, c); + } + if (tTd(30, 94)) + sm_dprintf("istate=%d, c=%c (0x%x)\n", + istate, (char) c, c); + switch (istate) + { + case IS_BOL: + if (c == '.') + { + istate = IS_DOT; + continue; + } + break; + + case IS_DOT: + if (c == '\n' && !ignrdot && + !bitset(EF_NL_NOT_EOL, e->e_flags)) + goto readerr; + else if (c == '\r' && + !bitset(EF_CRLF_NOT_EOL, e->e_flags)) + { + istate = IS_DOTCR; + continue; + } + else if (ignrdot || + (c != '.' && + OpMode != MD_SMTP && + OpMode != MD_DAEMON && + OpMode != MD_ARPAFTP)) + + { + SM_ASSERT(pbp < peekbuf + sizeof(peekbuf)); + *pbp++ = c; + c = '.'; + } + break; + + case IS_DOTCR: + if (c == '\n' && !ignrdot) + goto readerr; + else + { + /* push back the ".\rx" */ + SM_ASSERT(pbp < peekbuf + sizeof(peekbuf)); + *pbp++ = c; + if (OpMode != MD_SMTP && + OpMode != MD_DAEMON && + OpMode != MD_ARPAFTP) + { + SM_ASSERT(pbp < peekbuf + + sizeof(peekbuf)); + *pbp++ = '\r'; + c = '.'; + } + else + c = '\r'; + } + break; + + case IS_CR: + if (c == '\n') + istate = IS_BOL; + else + { + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, + c); + c = '\r'; + istate = IS_NORM; + } + goto bufferchar; + } + + if (c == '\r' && !bitset(EF_CRLF_NOT_EOL, e->e_flags)) + { + istate = IS_CR; + continue; + } + else if (c == '\n' && !bitset(EF_NL_NOT_EOL, + e->e_flags)) + istate = IS_BOL; + else + istate = IS_NORM; + +bufferchar: + if (!headeronly) + { + /* no overflow? */ + if (e->e_msgsize >= 0) + { + e->e_msgsize++; + if (MaxMessageSize > 0 && + !bitset(EF_TOOBIG, e->e_flags) && + e->e_msgsize > MaxMessageSize) + e->e_flags |= EF_TOOBIG; + } + } + switch (mstate) + { + case MS_BODY: + /* just put the character out */ + if (!bitset(EF_TOOBIG, e->e_flags)) + (void) sm_io_putc(df, SM_TIME_DEFAULT, + c); + + /* FALLTHROUGH */ + + case MS_DISCARD: + continue; + } + + SM_ASSERT(mstate == MS_UFROM || mstate == MS_HEADER); + + /* header -- buffer up */ + if (bp >= &buf[buflen - 2]) + { + char *obuf; + + /* out of space for header */ + obuf = buf; + if (buflen < MEMCHUNKSIZE) + buflen *= 2; + else + buflen += MEMCHUNKSIZE; + buf = xalloc(buflen); + memmove(buf, obuf, bp - obuf); + bp = &buf[bp - obuf]; + if (obuf != bufbuf) + sm_free(obuf); /* XXX */ + } + + /* + ** XXX Notice: the logic here is broken. + ** An input to sendmail that doesn't contain a + ** header but starts immediately with the body whose + ** first line contain characters which match the + ** following "if" will cause problems: those + ** characters will NOT appear in the output... + ** Do we care? + */ + + if (c >= 0200 && c <= 0237) + { +#if 0 /* causes complaints -- figure out something for 8.n+1 */ + usrerr("Illegal character 0x%x in header", c); +#else /* 0 */ + /* EMPTY */ +#endif /* 0 */ + } + else if (c != '\0') + { + *bp++ = c; + ++hdrslen; + if (!headeronly && + MaxHeadersLength > 0 && + hdrslen > MaxHeadersLength) + { + sm_syslog(LOG_NOTICE, e->e_id, + "headers too large (%d max) from %s during message collect", + MaxHeadersLength, + CURHOSTNAME); + errno = 0; + e->e_flags |= EF_CLRQUEUE; + e->e_status = "5.6.0"; + usrerrenh(e->e_status, + "552 Headers too large (%d max)", + MaxHeadersLength); + mstate = MS_DISCARD; + } + } + if (istate == IS_BOL) + break; + } + *bp = '\0'; + +nextstate: + if (tTd(30, 35)) + sm_dprintf("nextstate, istate=%d, mstate=%d, line = \"%s\"\n", + istate, mstate, buf); + switch (mstate) + { + case MS_UFROM: + mstate = MS_HEADER; +#ifndef NOTUNIX + if (strncmp(buf, "From ", 5) == 0) + { + bp = buf; + eatfrom(buf, e); + continue; + } +#endif /* ! NOTUNIX */ + /* FALLTHROUGH */ + + case MS_HEADER: + if (!isheader(buf)) + { + mstate = MS_BODY; + goto nextstate; + } + + /* check for possible continuation line */ + do + { + sm_io_clearerr(fp); + errno = 0; + c = sm_io_getc(fp, SM_TIME_DEFAULT); + } while (c == SM_IO_EOF && errno == EINTR); + if (c != SM_IO_EOF) + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, c); + if (c == ' ' || c == '\t') + { + /* yep -- defer this */ + continue; + } + + /* trim off trailing CRLF or NL */ + SM_ASSERT(bp > buf); + if (*--bp != '\n' || *--bp != '\r') + bp++; + *bp = '\0'; + + if (bitset(H_EOH, chompheader(buf, + CHHDR_CHECK | CHHDR_USER, + hdrp, e))) + { + mstate = MS_BODY; + goto nextstate; + } + numhdrs++; + break; + + case MS_BODY: + if (tTd(30, 1)) + sm_dprintf("EOH\n"); + + if (headeronly) + goto readerr; + + df = collect_eoh(e, numhdrs, hdrslen); + if (df == NULL) + e->e_flags |= EF_TOOBIG; + + bp = buf; + + /* toss blank line */ + if ((!bitset(EF_CRLF_NOT_EOL, e->e_flags) && + bp[0] == '\r' && bp[1] == '\n') || + (!bitset(EF_NL_NOT_EOL, e->e_flags) && + bp[0] == '\n')) + { + break; + } + + /* if not a blank separator, write it out */ + if (!bitset(EF_TOOBIG, e->e_flags)) + { + while (*bp != '\0') + (void) sm_io_putc(df, SM_TIME_DEFAULT, + *bp++); + } + break; + } + bp = buf; + } + +readerr: + if ((sm_io_eof(fp) && smtpmode) || sm_io_error(fp)) + { + const char *errmsg; + + if (sm_io_eof(fp)) + errmsg = "unexpected close"; + else + errmsg = sm_errstring(errno); + if (tTd(30, 1)) + sm_dprintf("collect: premature EOM: %s\n", errmsg); + if (LogLevel > 1) + sm_syslog(LOG_WARNING, e->e_id, + "collect: premature EOM: %s", errmsg); + inputerr = true; + } + + /* reset global timer */ + if (CollectTimeout != NULL) + sm_clrevent(CollectTimeout); + + if (headeronly) + return; + + if (mstate != MS_BODY) + { + /* no body or discard, so we never opened the data file */ + SM_ASSERT(df == NULL); + df = collect_eoh(e, numhdrs, hdrslen); + } + + if (df == NULL) + { + /* skip next few clauses */ + /* EMPTY */ + } + else if (sm_io_flush(df, SM_TIME_DEFAULT) != 0 || sm_io_error(df)) + { + dferror(df, "sm_io_flush||sm_io_error", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + else if (SuperSafe == SAFE_NO || + SuperSafe == SAFE_INTERACTIVE || + (SuperSafe == SAFE_REALLY_POSTMILTER && smtpmode)) + { + /* skip next few clauses */ + /* EMPTY */ + /* Note: updfs() is not called in this case! */ + } + else if (sm_io_setinfo(df, SM_BF_COMMIT, NULL) < 0 && errno != EINVAL) + { + int save_errno = errno; + + if (save_errno == EEXIST) + { + char *dfile; + struct stat st; + int dfd; + + dfile = queuename(e, DATAFL_LETTER); + if (stat(dfile, &st) < 0) + st.st_size = -1; + errno = EEXIST; + syserr("@collect: bfcommit(%s): already on disk, size=%ld", + dfile, (long) st.st_size); + dfd = sm_io_getinfo(df, SM_IO_WHAT_FD, NULL); + if (dfd >= 0) + dumpfd(dfd, true, true); + } + errno = save_errno; + dferror(df, "bfcommit", e); + flush_errors(true); + finis(save_errno != EEXIST, true, ExitStat); + } + else if ((afd = sm_io_getinfo(df, SM_IO_WHAT_FD, NULL)) < 0) + { + dferror(df, "sm_io_getinfo", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + else if (fsync(afd) < 0) + { + dferror(df, "fsync", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + else if (sm_io_close(df, SM_TIME_DEFAULT) < 0) + { + dferror(df, "sm_io_close", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + else + { + /* everything is happily flushed to disk */ + df = NULL; + + /* remove from available space in filesystem */ + updfs(e, 0, 1, "collect"); + } + + /* An EOF when running SMTP is an error */ + if (inputerr && (OpMode == MD_SMTP || OpMode == MD_DAEMON)) + { + char *host; + char *problem; + ADDRESS *q; + + host = RealHostName; + if (host == NULL) + host = "localhost"; + + if (sm_io_eof(fp)) + problem = "unexpected close"; + else if (sm_io_error(fp)) + problem = "I/O error"; + else + problem = "read timeout"; + if (LogLevel > 0 && sm_io_eof(fp)) + sm_syslog(LOG_NOTICE, e->e_id, + "collect: %s on connection from %.100s, sender=%s", + problem, host, + shortenstring(e->e_from.q_paddr, MAXSHORTSTR)); + if (sm_io_eof(fp)) + usrerr("451 4.4.1 collect: %s on connection from %s, from=%s", + problem, host, + shortenstring(e->e_from.q_paddr, MAXSHORTSTR)); + else + syserr("451 4.4.1 collect: %s on connection from %s, from=%s", + problem, host, + shortenstring(e->e_from.q_paddr, MAXSHORTSTR)); + + /* don't return an error indication */ + e->e_to = NULL; + e->e_flags &= ~EF_FATALERRS; + e->e_flags |= EF_CLRQUEUE; + + /* Don't send any message notification to sender */ + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_DEAD(q->q_state)) + continue; + q->q_state = QS_FATALERR; + } + + finis(true, true, ExitStat); + /* NOTREACHED */ + } + + /* Log collection information. */ + if (bitset(EF_LOGSENDER, e->e_flags) && LogLevel > 4) + { + logsender(e, e->e_msgid); + e->e_flags &= ~EF_LOGSENDER; + } + + /* check for message too large */ + if (bitset(EF_TOOBIG, e->e_flags)) + { + e->e_flags |= EF_NO_BODY_RETN|EF_CLRQUEUE; + if (!bitset(EF_FATALERRS, e->e_flags)) + { + e->e_status = "5.2.3"; + usrerrenh(e->e_status, + "552 Message exceeds maximum fixed size (%ld)", + MaxMessageSize); + if (LogLevel > 6) + sm_syslog(LOG_NOTICE, e->e_id, + "message size (%ld) exceeds maximum (%ld)", + e->e_msgsize, MaxMessageSize); + } + } + + /* check for illegal 8-bit data */ + if (HasEightBits) + { + e->e_flags |= EF_HAS8BIT; + if (!bitset(MM_PASS8BIT|MM_MIME8BIT, MimeMode) && + !bitset(EF_IS_MIME, e->e_flags)) + { + e->e_status = "5.6.1"; + usrerrenh(e->e_status, "554 Eight bit data not allowed"); + } + } + else + { + /* if it claimed to be 8 bits, well, it lied.... */ + if (e->e_bodytype != NULL && + sm_strcasecmp(e->e_bodytype, "8BITMIME") == 0) + e->e_bodytype = "7BIT"; + } + + if (SuperSafe == SAFE_REALLY && !bitset(EF_FATALERRS, e->e_flags)) + { + char *dfname = queuename(e, DATAFL_LETTER); + if ((e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, dfname, + SM_IO_RDONLY_B, NULL)) == NULL) + { + /* we haven't acked receipt yet, so just chuck this */ + syserr("@Cannot reopen %s", dfname); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + } + else + e->e_dfp = df; + + /* collect statistics */ + if (OpMode != MD_VERIFY) + { + /* + ** Recalculate e_msgpriority, it is done at in eatheader() + ** which is called (in 8.12) after the header is collected, + ** hence e_msgsize is (most likely) incorrect. + */ + + e->e_msgpriority = e->e_msgsize + - e->e_class * WkClassFact + + e->e_nrcpts * WkRecipFact; + markstats(e, (ADDRESS *) NULL, STATS_NORMAL); + } +} + +static void +collecttimeout(timeout) + int timeout; +{ + int save_errno = errno; + + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + if (CollectProgress) + { + /* reset the timeout */ + CollectTimeout = sm_sigsafe_setevent(timeout, collecttimeout, + timeout); + CollectProgress = false; + } + else + { + /* event is done */ + CollectTimeout = NULL; + } + + /* if no progress was made or problem resetting event, die now */ + if (CollectTimeout == NULL) + { + errno = ETIMEDOUT; + longjmp(CtxCollectTimeout, 1); + } + errno = save_errno; +} +/* +** DFERROR -- signal error on writing the data file. +** +** Called by collect(). Collect() always terminates the process +** immediately after calling dferror(), which means that the SMTP +** session will be terminated, which means that any error message +** issued by dferror must be a 421 error, as per RFC 821. +** +** Parameters: +** df -- the file pointer for the data file. +** msg -- detailed message. +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** Gives an error message. +** Arranges for following output to go elsewhere. +*/ + +void +dferror(df, msg, e) + SM_FILE_T *volatile df; + char *msg; + register ENVELOPE *e; +{ + char *dfname; + + dfname = queuename(e, DATAFL_LETTER); + setstat(EX_IOERR); + if (errno == ENOSPC) + { +#if STAT64 > 0 + struct stat64 st; +#else /* STAT64 > 0 */ + struct stat st; +#endif /* STAT64 > 0 */ + long avail; + long bsize; + + e->e_flags |= EF_NO_BODY_RETN; + + if ( +#if STAT64 > 0 + fstat64(sm_io_getinfo(df, SM_IO_WHAT_FD, NULL), &st) +#else /* STAT64 > 0 */ + fstat(sm_io_getinfo(df, SM_IO_WHAT_FD, NULL), &st) +#endif /* STAT64 > 0 */ + < 0) + st.st_size = 0; + (void) sm_io_reopen(SmFtStdio, SM_TIME_DEFAULT, dfname, + SM_IO_WRONLY_B, NULL, df); + if (st.st_size <= 0) + (void) sm_io_fprintf(df, SM_TIME_DEFAULT, + "\n*** Mail could not be accepted"); + else + (void) sm_io_fprintf(df, SM_TIME_DEFAULT, + "\n*** Mail of at least %llu bytes could not be accepted\n", + (ULONGLONG_T) st.st_size); + (void) sm_io_fprintf(df, SM_TIME_DEFAULT, + "*** at %s due to lack of disk space for temp file.\n", + MyHostName); + avail = freediskspace(qid_printqueue(e->e_qgrp, e->e_qdir), + &bsize); + if (avail > 0) + { + if (bsize > 1024) + avail *= bsize / 1024; + else if (bsize < 1024) + avail /= 1024 / bsize; + (void) sm_io_fprintf(df, SM_TIME_DEFAULT, + "*** Currently, %ld kilobytes are available for mail temp files.\n", + avail); + } +#if 0 + /* Wrong response code; should be 421. */ + e->e_status = "4.3.1"; + usrerrenh(e->e_status, "452 Out of disk space for temp file"); +#else /* 0 */ + syserr("421 4.3.1 Out of disk space for temp file"); +#endif /* 0 */ + } + else + syserr("421 4.3.0 collect: Cannot write %s (%s, uid=%d, gid=%d)", + dfname, msg, (int) geteuid(), (int) getegid()); + if (sm_io_reopen(SmFtStdio, SM_TIME_DEFAULT, SM_PATH_DEVNULL, + SM_IO_WRONLY, NULL, df) == NULL) + sm_syslog(LOG_ERR, e->e_id, + "dferror: sm_io_reopen(\"/dev/null\") failed: %s", + sm_errstring(errno)); +} +/* +** EATFROM -- chew up a UNIX style from line and process +** +** This does indeed make some assumptions about the format +** of UNIX messages. +** +** Parameters: +** fm -- the from line. +** e -- envelope +** +** Returns: +** none. +** +** Side Effects: +** extracts what information it can from the header, +** such as the date. +*/ + +#ifndef NOTUNIX + +static char *DowList[] = +{ + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", NULL +}; + +static char *MonthList[] = +{ + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", + NULL +}; + +static void +eatfrom(fm, e) + char *volatile fm; + register ENVELOPE *e; +{ + register char *p; + register char **dt; + + if (tTd(30, 2)) + sm_dprintf("eatfrom(%s)\n", fm); + + /* find the date part */ + p = fm; + while (*p != '\0') + { + /* skip a word */ + while (*p != '\0' && *p != ' ') + p++; + while (*p == ' ') + p++; + if (strlen(p) < 17) + { + /* no room for the date */ + return; + } + if (!(isascii(*p) && isupper(*p)) || + p[3] != ' ' || p[13] != ':' || p[16] != ':') + continue; + + /* we have a possible date */ + for (dt = DowList; *dt != NULL; dt++) + if (strncmp(*dt, p, 3) == 0) + break; + if (*dt == NULL) + continue; + + for (dt = MonthList; *dt != NULL; dt++) + { + if (strncmp(*dt, &p[4], 3) == 0) + break; + } + if (*dt != NULL) + break; + } + + if (*p != '\0') + { + char *q, buf[25]; + + /* we have found a date */ + (void) sm_strlcpy(buf, p, sizeof(buf)); + q = arpadate(buf); + macdefine(&e->e_macro, A_TEMP, 'a', q); + } +} +#endif /* ! NOTUNIX */ diff --git a/contrib/sendmail-8.13.4/sendmail/conf.c b/contrib/sendmail-8.13.4/sendmail/conf.c new file mode 100644 index 0000000000..4d7aa9462f --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/conf.c @@ -0,0 +1,6302 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: conf.c,v 8.1061 2005/03/07 17:18:44 ca Exp $") + +#include +#if NEWDB +# include "sm/bdb.h" +#endif /* NEWDB */ + +# include +# include + +#include +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ +#if HASULIMIT && defined(HPUX11) +# include +#endif /* HASULIMIT && defined(HPUX11) */ + +static void setupmaps __P((void)); +static void setupmailers __P((void)); +static void setupqueues __P((void)); +static int get_num_procs_online __P((void)); +static int add_hostnames __P((SOCKADDR *)); + +#if NETINET6 && NEEDSGETIPNODE +static struct hostent *getipnodebyname __P((char *, int, int, int *)); +static struct hostent *getipnodebyaddr __P((char *, int, int, int *)); +#endif /* NETINET6 && NEEDSGETIPNODE */ + + +/* +** CONF.C -- Sendmail Configuration Tables. +** +** Defines the configuration of this installation. +** +** Configuration Variables: +** HdrInfo -- a table describing well-known header fields. +** Each entry has the field name and some flags, +** which are described in sendmail.h. +** +** Notes: +** I have tried to put almost all the reasonable +** configuration information into the configuration +** file read at runtime. My intent is that anything +** here is a function of the version of UNIX you +** are running, or is really static -- for example +** the headers are a superset of widely used +** protocols. If you find yourself playing with +** this file too much, you may be making a mistake! +*/ + + +/* +** Header info table +** Final (null) entry contains the flags used for any other field. +** +** Not all of these are actually handled specially by sendmail +** at this time. They are included as placeholders, to let +** you know that "someday" I intend to have sendmail do +** something with them. +*/ + +struct hdrinfo HdrInfo[] = +{ + /* originator fields, most to least significant */ + { "resent-sender", H_FROM|H_RESENT, NULL }, + { "resent-from", H_FROM|H_RESENT, NULL }, + { "resent-reply-to", H_FROM|H_RESENT, NULL }, + { "sender", H_FROM, NULL }, + { "from", H_FROM, NULL }, + { "reply-to", H_FROM, NULL }, + { "errors-to", H_FROM|H_ERRORSTO, NULL }, + { "full-name", H_ACHECK, NULL }, + { "return-receipt-to", H_RECEIPTTO, NULL }, + { "delivery-receipt-to", H_RECEIPTTO, NULL }, + { "disposition-notification-to", H_FROM, NULL }, + + /* destination fields */ + { "to", H_RCPT, NULL }, + { "resent-to", H_RCPT|H_RESENT, NULL }, + { "cc", H_RCPT, NULL }, + { "resent-cc", H_RCPT|H_RESENT, NULL }, + { "bcc", H_RCPT|H_BCC, NULL }, + { "resent-bcc", H_RCPT|H_BCC|H_RESENT, NULL }, + { "apparently-to", H_RCPT, NULL }, + + /* message identification and control */ + { "message-id", 0, NULL }, + { "resent-message-id", H_RESENT, NULL }, + { "message", H_EOH, NULL }, + { "text", H_EOH, NULL }, + + /* date fields */ + { "date", 0, NULL }, + { "resent-date", H_RESENT, NULL }, + + /* trace fields */ + { "received", H_TRACE|H_FORCE, NULL }, + { "x400-received", H_TRACE|H_FORCE, NULL }, + { "via", H_TRACE|H_FORCE, NULL }, + { "mail-from", H_TRACE|H_FORCE, NULL }, + + /* miscellaneous fields */ + { "comments", H_FORCE|H_ENCODABLE, NULL }, + { "return-path", H_FORCE|H_ACHECK|H_BINDLATE, NULL }, + { "content-transfer-encoding", H_CTE, NULL }, + { "content-type", H_CTYPE, NULL }, + { "content-length", H_ACHECK, NULL }, + { "subject", H_ENCODABLE, NULL }, + { "x-authentication-warning", H_FORCE, NULL }, + + { NULL, 0, NULL } +}; + + + +/* +** Privacy values +*/ + +struct prival PrivacyValues[] = +{ + { "public", PRIV_PUBLIC }, + { "needmailhelo", PRIV_NEEDMAILHELO }, + { "needexpnhelo", PRIV_NEEDEXPNHELO }, + { "needvrfyhelo", PRIV_NEEDVRFYHELO }, + { "noexpn", PRIV_NOEXPN }, + { "novrfy", PRIV_NOVRFY }, + { "restrictexpand", PRIV_RESTRICTEXPAND }, + { "restrictmailq", PRIV_RESTRICTMAILQ }, + { "restrictqrun", PRIV_RESTRICTQRUN }, + { "noetrn", PRIV_NOETRN }, + { "noverb", PRIV_NOVERB }, + { "authwarnings", PRIV_AUTHWARNINGS }, + { "noreceipts", PRIV_NORECEIPTS }, + { "nobodyreturn", PRIV_NOBODYRETN }, + { "goaway", PRIV_GOAWAY }, +#if _FFR_PRIV_NOACTUALRECIPIENT + { "noactualrecipient", PRIV_NOACTUALRECIPIENT }, +#endif /* _FFR_PRIV_NOACTUALRECIPIENT */ + { NULL, 0 } +}; + +/* +** DontBlameSendmail values +*/ + +struct dbsval DontBlameSendmailValues[] = +{ + { "safe", DBS_SAFE }, + { "assumesafechown", DBS_ASSUMESAFECHOWN }, + { "groupwritabledirpathsafe", DBS_GROUPWRITABLEDIRPATHSAFE }, + { "groupwritableforwardfilesafe", + DBS_GROUPWRITABLEFORWARDFILESAFE }, + { "groupwritableincludefilesafe", + DBS_GROUPWRITABLEINCLUDEFILESAFE }, + { "groupwritablealiasfile", DBS_GROUPWRITABLEALIASFILE }, + { "worldwritablealiasfile", DBS_WORLDWRITABLEALIASFILE }, + { "forwardfileinunsafedirpath", DBS_FORWARDFILEINUNSAFEDIRPATH }, + { "includefileinunsafedirpath", DBS_INCLUDEFILEINUNSAFEDIRPATH }, + { "mapinunsafedirpath", DBS_MAPINUNSAFEDIRPATH }, + { "linkedaliasfileinwritabledir", + DBS_LINKEDALIASFILEINWRITABLEDIR }, + { "linkedclassfileinwritabledir", + DBS_LINKEDCLASSFILEINWRITABLEDIR }, + { "linkedforwardfileinwritabledir", + DBS_LINKEDFORWARDFILEINWRITABLEDIR }, + { "linkedincludefileinwritabledir", + DBS_LINKEDINCLUDEFILEINWRITABLEDIR }, + { "linkedmapinwritabledir", DBS_LINKEDMAPINWRITABLEDIR }, + { "linkedserviceswitchfileinwritabledir", + DBS_LINKEDSERVICESWITCHFILEINWRITABLEDIR }, + { "filedeliverytohardlink", DBS_FILEDELIVERYTOHARDLINK }, + { "filedeliverytosymlink", DBS_FILEDELIVERYTOSYMLINK }, + { "writemaptohardlink", DBS_WRITEMAPTOHARDLINK }, + { "writemaptosymlink", DBS_WRITEMAPTOSYMLINK }, + { "writestatstohardlink", DBS_WRITESTATSTOHARDLINK }, + { "writestatstosymlink", DBS_WRITESTATSTOSYMLINK }, + { "forwardfileingroupwritabledirpath", + DBS_FORWARDFILEINGROUPWRITABLEDIRPATH }, + { "includefileingroupwritabledirpath", + DBS_INCLUDEFILEINGROUPWRITABLEDIRPATH }, + { "classfileinunsafedirpath", DBS_CLASSFILEINUNSAFEDIRPATH }, + { "errorheaderinunsafedirpath", DBS_ERRORHEADERINUNSAFEDIRPATH }, + { "helpfileinunsafedirpath", DBS_HELPFILEINUNSAFEDIRPATH }, + { "forwardfileinunsafedirpathsafe", + DBS_FORWARDFILEINUNSAFEDIRPATHSAFE }, + { "includefileinunsafedirpathsafe", + DBS_INCLUDEFILEINUNSAFEDIRPATHSAFE }, + { "runprograminunsafedirpath", DBS_RUNPROGRAMINUNSAFEDIRPATH }, + { "runwritableprogram", DBS_RUNWRITABLEPROGRAM }, + { "nonrootsafeaddr", DBS_NONROOTSAFEADDR }, + { "truststickybit", DBS_TRUSTSTICKYBIT }, + { "dontwarnforwardfileinunsafedirpath", + DBS_DONTWARNFORWARDFILEINUNSAFEDIRPATH }, + { "insufficiententropy", DBS_INSUFFICIENTENTROPY }, + { "groupreadablesasldbfile", DBS_GROUPREADABLESASLDBFILE }, + { "groupwritablesasldbfile", DBS_GROUPWRITABLESASLDBFILE }, + { "groupwritableforwardfile", DBS_GROUPWRITABLEFORWARDFILE }, + { "groupwritableincludefile", DBS_GROUPWRITABLEINCLUDEFILE }, + { "worldwritableforwardfile", DBS_WORLDWRITABLEFORWARDFILE }, + { "worldwritableincludefile", DBS_WORLDWRITABLEINCLUDEFILE }, + { "groupreadablekeyfile", DBS_GROUPREADABLEKEYFILE }, +#if _FFR_GROUPREADABLEAUTHINFOFILE + { "groupreadableadefaultauthinfofile", + DBS_GROUPREADABLEAUTHINFOFILE }, +#endif /* _FFR_GROUPREADABLEAUTHINFOFILE */ + { NULL, 0 } +}; + +/* +** Miscellaneous stuff. +*/ + +int DtableSize = 50; /* max open files; reset in 4.2bsd */ +/* +** SETDEFAULTS -- set default values +** +** Some of these must be initialized using direct code since they +** depend on run-time values. So let's do all of them this way. +** +** Parameters: +** e -- the default envelope. +** +** Returns: +** none. +** +** Side Effects: +** Initializes a bunch of global variables to their +** default values. +*/ + +#define MINUTES * 60 +#define HOURS * 60 MINUTES +#define DAYS * 24 HOURS + +#ifndef MAXRULERECURSION +# define MAXRULERECURSION 50 /* max ruleset recursion depth */ +#endif /* ! MAXRULERECURSION */ + +void +setdefaults(e) + register ENVELOPE *e; +{ + int i; + int numprocs; + struct passwd *pw; + + numprocs = get_num_procs_online(); + SpaceSub = ' '; /* option B */ + QueueLA = 8 * numprocs; /* option x */ + RefuseLA = 12 * numprocs; /* option X */ + WkRecipFact = 30000L; /* option y */ + WkClassFact = 1800L; /* option z */ + WkTimeFact = 90000L; /* option Z */ + QueueFactor = WkRecipFact * 20; /* option q */ + QueueMode = QM_NORMAL; /* what queue items to act upon */ + FileMode = (RealUid != geteuid()) ? 0644 : 0600; + /* option F */ + QueueFileMode = (RealUid != geteuid()) ? 0644 : 0600; + /* option QueueFileMode */ + + if (((pw = sm_getpwnam("mailnull")) != NULL && pw->pw_uid != 0) || + ((pw = sm_getpwnam("sendmail")) != NULL && pw->pw_uid != 0) || + ((pw = sm_getpwnam("daemon")) != NULL && pw->pw_uid != 0)) + { + DefUid = pw->pw_uid; /* option u */ + DefGid = pw->pw_gid; /* option g */ + DefUser = newstr(pw->pw_name); + } + else + { + DefUid = 1; /* option u */ + DefGid = 1; /* option g */ + setdefuser(); + } + TrustedUid = 0; + if (tTd(37, 4)) + sm_dprintf("setdefaults: DefUser=%s, DefUid=%d, DefGid=%d\n", + DefUser != NULL ? DefUser : "<1:1>", + (int) DefUid, (int) DefGid); + CheckpointInterval = 10; /* option C */ + MaxHopCount = 25; /* option h */ + set_delivery_mode(SM_FORK, e); /* option d */ + e->e_errormode = EM_PRINT; /* option e */ + e->e_qgrp = NOQGRP; + e->e_qdir = NOQDIR; + e->e_xfqgrp = NOQGRP; + e->e_xfqdir = NOQDIR; + e->e_ctime = curtime(); + SevenBitInput = false; /* option 7 */ + MaxMciCache = 1; /* option k */ + MciCacheTimeout = 5 MINUTES; /* option K */ + LogLevel = 9; /* option L */ +#if MILTER + MilterLogLevel = -1; +#endif /* MILTER */ + inittimeouts(NULL, false); /* option r */ + PrivacyFlags = PRIV_PUBLIC; /* option p */ + MeToo = true; /* option m */ + SendMIMEErrors = true; /* option f */ + SuperSafe = SAFE_REALLY; /* option s */ + clrbitmap(DontBlameSendmail); /* DontBlameSendmail option */ +#if MIME8TO7 + MimeMode = MM_CVTMIME|MM_PASS8BIT; /* option 8 */ +#else /* MIME8TO7 */ + MimeMode = MM_PASS8BIT; +#endif /* MIME8TO7 */ + for (i = 0; i < MAXTOCLASS; i++) + { + TimeOuts.to_q_return[i] = 5 DAYS; /* option T */ + TimeOuts.to_q_warning[i] = 0; /* option T */ + } + ServiceSwitchFile = "/etc/mail/service.switch"; + ServiceCacheMaxAge = (time_t) 10; + HostsFile = _PATH_HOSTS; + PidFile = newstr(_PATH_SENDMAILPID); + MustQuoteChars = "@,;:\\()[].'"; + MciInfoTimeout = 30 MINUTES; + MaxRuleRecursion = MAXRULERECURSION; + MaxAliasRecursion = 10; + MaxMacroRecursion = 10; + ColonOkInAddr = true; + DontLockReadFiles = true; + DontProbeInterfaces = DPI_PROBEALL; + DoubleBounceAddr = "postmaster"; + MaxHeadersLength = MAXHDRSLEN; + MaxMimeHeaderLength = MAXLINE; + MaxMimeFieldLength = MaxMimeHeaderLength / 2; + MaxForwardEntries = 0; + FastSplit = 1; +#if SASL + AuthMechanisms = newstr(AUTH_MECHANISMS); + AuthRealm = NULL; + MaxSLBits = INT_MAX; +#endif /* SASL */ +#if STARTTLS + TLS_Srv_Opts = TLS_I_SRV; +#endif /* STARTTLS */ +#ifdef HESIOD_INIT + HesiodContext = NULL; +#endif /* HESIOD_INIT */ +#if NETINET6 + /* Detect if IPv6 is available at run time */ + i = socket(AF_INET6, SOCK_STREAM, 0); + if (i >= 0) + { + InetMode = AF_INET6; + (void) close(i); + } + else + InetMode = AF_INET; +#else /* NETINET6 */ + InetMode = AF_INET; +#endif /* NETINET6 */ + ControlSocketName = NULL; + memset(&ConnectOnlyTo, '\0', sizeof ConnectOnlyTo); + DataFileBufferSize = 4096; + XscriptFileBufferSize = 4096; + for (i = 0; i < MAXRWSETS; i++) + RuleSetNames[i] = NULL; +#if MILTER + InputFilters[0] = NULL; +#endif /* MILTER */ + RejectLogInterval = 3 HOURS; +#if REQUIRES_DIR_FSYNC + RequiresDirfsync = true; +#endif /* REQUIRES_DIR_FSYNC */ + ConnectionRateWindowSize = 60; + setupmaps(); + setupqueues(); + setupmailers(); + setupheaders(); +} + + +/* +** SETDEFUSER -- set/reset DefUser using DefUid (for initgroups()) +*/ + +void +setdefuser() +{ + struct passwd *defpwent; + static char defuserbuf[40]; + + DefUser = defuserbuf; + defpwent = sm_getpwuid(DefUid); + (void) sm_strlcpy(defuserbuf, + (defpwent == NULL || defpwent->pw_name == NULL) + ? "nobody" : defpwent->pw_name, + sizeof defuserbuf); + if (tTd(37, 4)) + sm_dprintf("setdefuser: DefUid=%d, DefUser=%s\n", + (int) DefUid, DefUser); +} +/* +** SETUPQUEUES -- initialize default queues +** +** The mqueue QUEUE structure gets filled in after readcf() but +** we need something to point to now for the mailer setup, +** which use "mqueue" as default queue. +*/ + +static void +setupqueues() +{ + char buf[100]; + + MaxRunnersPerQueue = 1; + (void) sm_strlcpy(buf, "mqueue, P=/var/spool/mqueue", sizeof buf); + makequeue(buf, false); +} +/* +** SETUPMAILERS -- initialize default mailers +*/ + +static void +setupmailers() +{ + char buf[100]; + + (void) sm_strlcpy(buf, "prog, P=/bin/sh, F=lsouDq9, T=X-Unix/X-Unix/X-Unix, A=sh -c \201u", + sizeof buf); + makemailer(buf); + + (void) sm_strlcpy(buf, "*file*, P=[FILE], F=lsDFMPEouq9, T=X-Unix/X-Unix/X-Unix, A=FILE \201u", + sizeof buf); + makemailer(buf); + + (void) sm_strlcpy(buf, "*include*, P=/dev/null, F=su, A=INCLUDE \201u", + sizeof buf); + makemailer(buf); + initerrmailers(); +} +/* +** SETUPMAPS -- set up map classes +*/ + +#define MAPDEF(name, ext, flags, parse, open, close, lookup, store) \ + { \ + extern bool parse __P((MAP *, char *)); \ + extern bool open __P((MAP *, int)); \ + extern void close __P((MAP *)); \ + extern char *lookup __P((MAP *, char *, char **, int *)); \ + extern void store __P((MAP *, char *, char *)); \ + s = stab(name, ST_MAPCLASS, ST_ENTER); \ + s->s_mapclass.map_cname = name; \ + s->s_mapclass.map_ext = ext; \ + s->s_mapclass.map_cflags = flags; \ + s->s_mapclass.map_parse = parse; \ + s->s_mapclass.map_open = open; \ + s->s_mapclass.map_close = close; \ + s->s_mapclass.map_lookup = lookup; \ + s->s_mapclass.map_store = store; \ + } + +static void +setupmaps() +{ + register STAB *s; + +#if NEWDB +# if DB_VERSION_MAJOR > 1 + int major_v, minor_v, patch_v; + + (void) db_version(&major_v, &minor_v, &patch_v); + if (major_v != DB_VERSION_MAJOR || minor_v != DB_VERSION_MINOR) + { + errno = 0; + syserr("Berkeley DB version mismatch: compiled against %d.%d.%d, run-time linked against %d.%d.%d", + DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH, + major_v, minor_v, patch_v); + } +# endif /* DB_VERSION_MAJOR > 1 */ + + MAPDEF("hash", ".db", MCF_ALIASOK|MCF_REBUILDABLE, + map_parseargs, hash_map_open, db_map_close, + db_map_lookup, db_map_store); + + MAPDEF("btree", ".db", MCF_ALIASOK|MCF_REBUILDABLE, + map_parseargs, bt_map_open, db_map_close, + db_map_lookup, db_map_store); +#endif /* NEWDB */ + +#if NDBM + MAPDEF("dbm", ".dir", MCF_ALIASOK|MCF_REBUILDABLE, + map_parseargs, ndbm_map_open, ndbm_map_close, + ndbm_map_lookup, ndbm_map_store); +#endif /* NDBM */ + +#if NIS + MAPDEF("nis", NULL, MCF_ALIASOK, + map_parseargs, nis_map_open, null_map_close, + nis_map_lookup, null_map_store); +#endif /* NIS */ + +#if NISPLUS + MAPDEF("nisplus", NULL, MCF_ALIASOK, + map_parseargs, nisplus_map_open, null_map_close, + nisplus_map_lookup, null_map_store); +#endif /* NISPLUS */ + +#if LDAPMAP + MAPDEF("ldap", NULL, MCF_ALIASOK|MCF_NOTPERSIST, + ldapmap_parseargs, ldapmap_open, ldapmap_close, + ldapmap_lookup, null_map_store); +#endif /* LDAPMAP */ + +#if PH_MAP + MAPDEF("ph", NULL, MCF_NOTPERSIST, + ph_map_parseargs, ph_map_open, ph_map_close, + ph_map_lookup, null_map_store); +#endif /* PH_MAP */ + +#if MAP_NSD + /* IRIX 6.5 nsd support */ + MAPDEF("nsd", NULL, MCF_ALIASOK, + map_parseargs, null_map_open, null_map_close, + nsd_map_lookup, null_map_store); +#endif /* MAP_NSD */ + +#if HESIOD + MAPDEF("hesiod", NULL, MCF_ALIASOK|MCF_ALIASONLY, + map_parseargs, hes_map_open, hes_map_close, + hes_map_lookup, null_map_store); +#endif /* HESIOD */ + +#if NETINFO + MAPDEF("netinfo", NULL, MCF_ALIASOK, + map_parseargs, ni_map_open, null_map_close, + ni_map_lookup, null_map_store); +#endif /* NETINFO */ + +#if 0 + MAPDEF("dns", NULL, 0, + dns_map_init, null_map_open, null_map_close, + dns_map_lookup, null_map_store); +#endif /* 0 */ + +#if NAMED_BIND +# if DNSMAP +# if _FFR_DNSMAP_ALIASABLE + MAPDEF("dns", NULL, MCF_ALIASOK, + dns_map_parseargs, dns_map_open, null_map_close, + dns_map_lookup, null_map_store); +# else /* _FFR_DNSMAP_ALIASABLE */ + MAPDEF("dns", NULL, 0, + dns_map_parseargs, dns_map_open, null_map_close, + dns_map_lookup, null_map_store); +# endif /* _FFR_DNSMAP_ALIASABLE */ +# endif /* DNSMAP */ +#endif /* NAMED_BIND */ + +#if NAMED_BIND + /* best MX DNS lookup */ + MAPDEF("bestmx", NULL, MCF_OPTFILE, + map_parseargs, null_map_open, null_map_close, + bestmx_map_lookup, null_map_store); +#endif /* NAMED_BIND */ + + MAPDEF("host", NULL, 0, + host_map_init, null_map_open, null_map_close, + host_map_lookup, null_map_store); + + MAPDEF("text", NULL, MCF_ALIASOK, + map_parseargs, text_map_open, null_map_close, + text_map_lookup, null_map_store); + + MAPDEF("stab", NULL, MCF_ALIASOK|MCF_ALIASONLY, + map_parseargs, stab_map_open, null_map_close, + stab_map_lookup, stab_map_store); + + MAPDEF("implicit", NULL, MCF_ALIASOK|MCF_ALIASONLY|MCF_REBUILDABLE, + map_parseargs, impl_map_open, impl_map_close, + impl_map_lookup, impl_map_store); + + /* access to system passwd file */ + MAPDEF("user", NULL, MCF_OPTFILE, + map_parseargs, user_map_open, null_map_close, + user_map_lookup, null_map_store); + + /* dequote map */ + MAPDEF("dequote", NULL, 0, + dequote_init, null_map_open, null_map_close, + dequote_map, null_map_store); + +#if MAP_REGEX + MAPDEF("regex", NULL, 0, + regex_map_init, null_map_open, null_map_close, + regex_map_lookup, null_map_store); +#endif /* MAP_REGEX */ + +#if USERDB + /* user database */ + MAPDEF("userdb", ".db", 0, + map_parseargs, null_map_open, null_map_close, + udb_map_lookup, null_map_store); +#endif /* USERDB */ + + /* arbitrary programs */ + MAPDEF("program", NULL, MCF_ALIASOK, + map_parseargs, null_map_open, null_map_close, + prog_map_lookup, null_map_store); + + /* sequenced maps */ + MAPDEF("sequence", NULL, MCF_ALIASOK, + seq_map_parse, null_map_open, null_map_close, + seq_map_lookup, seq_map_store); + + /* switched interface to sequenced maps */ + MAPDEF("switch", NULL, MCF_ALIASOK, + map_parseargs, switch_map_open, null_map_close, + seq_map_lookup, seq_map_store); + + /* null map lookup -- really for internal use only */ + MAPDEF("null", NULL, MCF_ALIASOK|MCF_OPTFILE, + map_parseargs, null_map_open, null_map_close, + null_map_lookup, null_map_store); + + /* syslog map -- logs information to syslog */ + MAPDEF("syslog", NULL, 0, + syslog_map_parseargs, null_map_open, null_map_close, + syslog_map_lookup, null_map_store); + + /* macro storage map -- rulesets can set macros */ + MAPDEF("macro", NULL, 0, + dequote_init, null_map_open, null_map_close, + macro_map_lookup, null_map_store); + + /* arithmetic map -- add/subtract/compare */ + MAPDEF("arith", NULL, 0, + dequote_init, null_map_open, null_map_close, + arith_map_lookup, null_map_store); + +#if SOCKETMAP + /* arbitrary daemons */ + MAPDEF("socket", NULL, MCF_ALIASOK, + map_parseargs, socket_map_open, socket_map_close, + socket_map_lookup, null_map_store); +#endif /* SOCKETMAP */ + + if (tTd(38, 2)) + { + /* bogus map -- always return tempfail */ + MAPDEF("bogus", NULL, MCF_ALIASOK|MCF_OPTFILE, + map_parseargs, null_map_open, null_map_close, + bogus_map_lookup, null_map_store); + } +} + +#undef MAPDEF +/* +** INITHOSTMAPS -- initial host-dependent maps +** +** This should act as an interface to any local service switch +** provided by the host operating system. +** +** Parameters: +** none +** +** Returns: +** none +** +** Side Effects: +** Should define maps "host" and "users" as necessary +** for this OS. If they are not defined, they will get +** a default value later. It should check to make sure +** they are not defined first, since it's possible that +** the config file has provided an override. +*/ + +void +inithostmaps() +{ + register int i; + int nmaps; + char *maptype[MAXMAPSTACK]; + short mapreturn[MAXMAPACTIONS]; + char buf[MAXLINE]; + + /* + ** Set up default hosts maps. + */ + +#if 0 + nmaps = switch_map_find("hosts", maptype, mapreturn); + for (i = 0; i < nmaps; i++) + { + if (strcmp(maptype[i], "files") == 0 && + stab("hosts.files", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "hosts.files text -k 0 -v 1 /etc/hosts", + sizeof buf); + (void) makemapentry(buf); + } +# if NAMED_BIND + else if (strcmp(maptype[i], "dns") == 0 && + stab("hosts.dns", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "hosts.dns dns A", sizeof buf); + (void) makemapentry(buf); + } +# endif /* NAMED_BIND */ +# if NISPLUS + else if (strcmp(maptype[i], "nisplus") == 0 && + stab("hosts.nisplus", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "hosts.nisplus nisplus -k name -v address hosts.org_dir", + sizeof buf); + (void) makemapentry(buf); + } +# endif /* NISPLUS */ +# if NIS + else if (strcmp(maptype[i], "nis") == 0 && + stab("hosts.nis", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "hosts.nis nis -k 0 -v 1 hosts.byname", + sizeof buf); + (void) makemapentry(buf); + } +# endif /* NIS */ +# if NETINFO + else if (strcmp(maptype[i], "netinfo") == 0 && + stab("hosts.netinfo", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "hosts.netinfo netinfo -v name /machines", + sizeof buf); + (void) makemapentry(buf); + } +# endif /* NETINFO */ + } +#endif /* 0 */ + + /* + ** Make sure we have a host map. + */ + + if (stab("host", ST_MAP, ST_FIND) == NULL) + { + /* user didn't initialize: set up host map */ + (void) sm_strlcpy(buf, "host host", sizeof buf); +#if NAMED_BIND + if (ConfigLevel >= 2) + (void) sm_strlcat(buf, " -a. -D", sizeof buf); +#endif /* NAMED_BIND */ + (void) makemapentry(buf); + } + + /* + ** Set up default aliases maps + */ + + nmaps = switch_map_find("aliases", maptype, mapreturn); + for (i = 0; i < nmaps; i++) + { + if (strcmp(maptype[i], "files") == 0 && + stab("aliases.files", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "aliases.files null", + sizeof buf); + (void) makemapentry(buf); + } +#if NISPLUS + else if (strcmp(maptype[i], "nisplus") == 0 && + stab("aliases.nisplus", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "aliases.nisplus nisplus -kalias -vexpansion mail_aliases.org_dir", + sizeof buf); + (void) makemapentry(buf); + } +#endif /* NISPLUS */ +#if NIS + else if (strcmp(maptype[i], "nis") == 0 && + stab("aliases.nis", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "aliases.nis nis mail.aliases", + sizeof buf); + (void) makemapentry(buf); + } +#endif /* NIS */ +#if NETINFO + else if (strcmp(maptype[i], "netinfo") == 0 && + stab("aliases.netinfo", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "aliases.netinfo netinfo -z, /aliases", + sizeof buf); + (void) makemapentry(buf); + } +#endif /* NETINFO */ +#if HESIOD + else if (strcmp(maptype[i], "hesiod") == 0 && + stab("aliases.hesiod", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "aliases.hesiod hesiod aliases", + sizeof buf); + (void) makemapentry(buf); + } +#endif /* HESIOD */ + } + if (stab("aliases", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "aliases switch aliases", sizeof buf); + (void) makemapentry(buf); + } + +#if 0 /* "user" map class is a better choice */ + /* + ** Set up default users maps. + */ + + nmaps = switch_map_find("passwd", maptype, mapreturn); + for (i = 0; i < nmaps; i++) + { + if (strcmp(maptype[i], "files") == 0 && + stab("users.files", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "users.files text -m -z: -k0 -v6 /etc/passwd", + sizeof buf); + (void) makemapentry(buf); + } +# if NISPLUS + else if (strcmp(maptype[i], "nisplus") == 0 && + stab("users.nisplus", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "users.nisplus nisplus -m -kname -vhome passwd.org_dir", + sizeof buf); + (void) makemapentry(buf); + } +# endif /* NISPLUS */ +# if NIS + else if (strcmp(maptype[i], "nis") == 0 && + stab("users.nis", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "users.nis nis -m passwd.byname", + sizeof buf); + (void) makemapentry(buf); + } +# endif /* NIS */ +# if HESIOD + else if (strcmp(maptype[i], "hesiod") == 0 && + stab("users.hesiod", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "users.hesiod hesiod", sizeof buf); + (void) makemapentry(buf); + } +# endif /* HESIOD */ + } + if (stab("users", ST_MAP, ST_FIND) == NULL) + { + (void) sm_strlcpy(buf, "users switch -m passwd", sizeof buf); + (void) makemapentry(buf); + } +#endif /* 0 */ +} +/* +** SWITCH_MAP_FIND -- find the list of types associated with a map +** +** This is the system-dependent interface to the service switch. +** +** Parameters: +** service -- the name of the service of interest. +** maptype -- an out-array of strings containing the types +** of access to use for this service. There can +** be at most MAXMAPSTACK types for a single service. +** mapreturn -- an out-array of return information bitmaps +** for the map. +** +** Returns: +** The number of map types filled in, or -1 for failure. +** +** Side effects: +** Preserves errno so nothing in the routine clobbers it. +*/ + +#if defined(SOLARIS) || (defined(sony_news) && defined(__svr4)) +# define _USE_SUN_NSSWITCH_ +#endif /* defined(SOLARIS) || (defined(sony_news) && defined(__svr4)) */ + +#if _FFR_HPUX_NSSWITCH +# ifdef __hpux +# define _USE_SUN_NSSWITCH_ +# endif /* __hpux */ +#endif /* _FFR_HPUX_NSSWITCH */ + +#ifdef _USE_SUN_NSSWITCH_ +# include +#endif /* _USE_SUN_NSSWITCH_ */ + +#if defined(ultrix) || (defined(__osf__) && defined(__alpha)) +# define _USE_DEC_SVC_CONF_ +#endif /* defined(ultrix) || (defined(__osf__) && defined(__alpha)) */ + +#ifdef _USE_DEC_SVC_CONF_ +# include +#endif /* _USE_DEC_SVC_CONF_ */ + +int +switch_map_find(service, maptype, mapreturn) + char *service; + char *maptype[MAXMAPSTACK]; + short mapreturn[MAXMAPACTIONS]; +{ + int svcno = 0; + int save_errno = errno; + +#ifdef _USE_SUN_NSSWITCH_ + struct __nsw_switchconfig *nsw_conf; + enum __nsw_parse_err pserr; + struct __nsw_lookup *lk; + static struct __nsw_lookup lkp0 = + { "files", {1, 0, 0, 0}, NULL, NULL }; + static struct __nsw_switchconfig lkp_default = + { 0, "sendmail", 3, &lkp0 }; + + for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) + mapreturn[svcno] = 0; + + if ((nsw_conf = __nsw_getconfig(service, &pserr)) == NULL) + lk = lkp_default.lookups; + else + lk = nsw_conf->lookups; + svcno = 0; + while (lk != NULL && svcno < MAXMAPSTACK) + { + maptype[svcno] = lk->service_name; + if (lk->actions[__NSW_NOTFOUND] == __NSW_RETURN) + mapreturn[MA_NOTFOUND] |= 1 << svcno; + if (lk->actions[__NSW_TRYAGAIN] == __NSW_RETURN) + mapreturn[MA_TRYAGAIN] |= 1 << svcno; + if (lk->actions[__NSW_UNAVAIL] == __NSW_RETURN) + mapreturn[MA_TRYAGAIN] |= 1 << svcno; + svcno++; + lk = lk->next; + } + errno = save_errno; + return svcno; +#endif /* _USE_SUN_NSSWITCH_ */ + +#ifdef _USE_DEC_SVC_CONF_ + struct svcinfo *svcinfo; + int svc; + + for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) + mapreturn[svcno] = 0; + + svcinfo = getsvc(); + if (svcinfo == NULL) + goto punt; + if (strcmp(service, "hosts") == 0) + svc = SVC_HOSTS; + else if (strcmp(service, "aliases") == 0) + svc = SVC_ALIASES; + else if (strcmp(service, "passwd") == 0) + svc = SVC_PASSWD; + else + { + errno = save_errno; + return -1; + } + for (svcno = 0; svcno < SVC_PATHSIZE && svcno < MAXMAPSTACK; svcno++) + { + switch (svcinfo->svcpath[svc][svcno]) + { + case SVC_LOCAL: + maptype[svcno] = "files"; + break; + + case SVC_YP: + maptype[svcno] = "nis"; + break; + + case SVC_BIND: + maptype[svcno] = "dns"; + break; + +# ifdef SVC_HESIOD + case SVC_HESIOD: + maptype[svcno] = "hesiod"; + break; +# endif /* SVC_HESIOD */ + + case SVC_LAST: + errno = save_errno; + return svcno; + } + } + errno = save_errno; + return svcno; +#endif /* _USE_DEC_SVC_CONF_ */ + +#if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) + /* + ** Fall-back mechanism. + */ + + STAB *st; + static time_t servicecachetime; /* time service switch was cached */ + time_t now = curtime(); + + for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) + mapreturn[svcno] = 0; + + if ((now - servicecachetime) > (time_t) ServiceCacheMaxAge) + { + /* (re)read service switch */ + register SM_FILE_T *fp; + long sff = SFF_REGONLY|SFF_OPENASROOT|SFF_NOLOCK; + + if (!bitnset(DBS_LINKEDSERVICESWITCHFILEINWRITABLEDIR, + DontBlameSendmail)) + sff |= SFF_NOWLINK; + + if (ConfigFileRead) + servicecachetime = now; + fp = safefopen(ServiceSwitchFile, O_RDONLY, 0, sff); + if (fp != NULL) + { + char buf[MAXLINE]; + + while (sm_io_fgets(fp, SM_TIME_DEFAULT, buf, + sizeof buf) != NULL) + { + register char *p; + + p = strpbrk(buf, "#\n"); + if (p != NULL) + *p = '\0'; + p = strpbrk(buf, " \t"); + if (p != NULL) + *p++ = '\0'; + if (buf[0] == '\0') + continue; + if (p == NULL) + { + sm_syslog(LOG_ERR, NOQID, + "Bad line on %.100s: %.100s", + ServiceSwitchFile, + buf); + continue; + } + while (isspace(*p)) + p++; + if (*p == '\0') + continue; + + /* + ** Find/allocate space for this service entry. + ** Space for all of the service strings + ** are allocated at once. This means + ** that we only have to free the first + ** one to free all of them. + */ + + st = stab(buf, ST_SERVICE, ST_ENTER); + if (st->s_service[0] != NULL) + sm_free((void *) st->s_service[0]); /* XXX */ + p = newstr(p); + for (svcno = 0; svcno < MAXMAPSTACK; ) + { + if (*p == '\0') + break; + st->s_service[svcno++] = p; + p = strpbrk(p, " \t"); + if (p == NULL) + break; + *p++ = '\0'; + while (isspace(*p)) + p++; + } + if (svcno < MAXMAPSTACK) + st->s_service[svcno] = NULL; + } + (void) sm_io_close(fp, SM_TIME_DEFAULT); + } + } + + /* look up entry in cache */ + st = stab(service, ST_SERVICE, ST_FIND); + if (st != NULL && st->s_service[0] != NULL) + { + /* extract data */ + svcno = 0; + while (svcno < MAXMAPSTACK) + { + maptype[svcno] = st->s_service[svcno]; + if (maptype[svcno++] == NULL) + break; + } + errno = save_errno; + return --svcno; + } +#endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */ + +#if !defined(_USE_SUN_NSSWITCH_) + /* if the service file doesn't work, use an absolute fallback */ +# ifdef _USE_DEC_SVC_CONF_ + punt: +# endif /* _USE_DEC_SVC_CONF_ */ + for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) + mapreturn[svcno] = 0; + svcno = 0; + if (strcmp(service, "aliases") == 0) + { + maptype[svcno++] = "files"; +# if defined(AUTO_NETINFO_ALIASES) && defined (NETINFO) + maptype[svcno++] = "netinfo"; +# endif /* defined(AUTO_NETINFO_ALIASES) && defined (NETINFO) */ +# ifdef AUTO_NIS_ALIASES +# if NISPLUS + maptype[svcno++] = "nisplus"; +# endif /* NISPLUS */ +# if NIS + maptype[svcno++] = "nis"; +# endif /* NIS */ +# endif /* AUTO_NIS_ALIASES */ + errno = save_errno; + return svcno; + } + if (strcmp(service, "hosts") == 0) + { +# if NAMED_BIND + maptype[svcno++] = "dns"; +# else /* NAMED_BIND */ +# if defined(sun) && !defined(BSD) + /* SunOS */ + maptype[svcno++] = "nis"; +# endif /* defined(sun) && !defined(BSD) */ +# endif /* NAMED_BIND */ +# if defined(AUTO_NETINFO_HOSTS) && defined (NETINFO) + maptype[svcno++] = "netinfo"; +# endif /* defined(AUTO_NETINFO_HOSTS) && defined (NETINFO) */ + maptype[svcno++] = "files"; + errno = save_errno; + return svcno; + } + errno = save_errno; + return -1; +#endif /* !defined(_USE_SUN_NSSWITCH_) */ +} +/* +** USERNAME -- return the user id of the logged in user. +** +** Parameters: +** none. +** +** Returns: +** The login name of the logged in user. +** +** Side Effects: +** none. +** +** Notes: +** The return value is statically allocated. +*/ + +char * +username() +{ + static char *myname = NULL; + extern char *getlogin(); + register struct passwd *pw; + + /* cache the result */ + if (myname == NULL) + { + myname = getlogin(); + if (myname == NULL || myname[0] == '\0') + { + pw = sm_getpwuid(RealUid); + if (pw != NULL) + myname = pw->pw_name; + } + else + { + uid_t uid = RealUid; + + if ((pw = sm_getpwnam(myname)) == NULL || + (uid != 0 && uid != pw->pw_uid)) + { + pw = sm_getpwuid(uid); + if (pw != NULL) + myname = pw->pw_name; + } + } + if (myname == NULL || myname[0] == '\0') + { + syserr("554 5.3.0 Who are you?"); + myname = "postmaster"; + } + else if (strpbrk(myname, ",;:/|\"\\") != NULL) + myname = addquotes(myname, NULL); + else + myname = sm_pstrdup_x(myname); + } + return myname; +} +/* +** TTYPATH -- Get the path of the user's tty +** +** Returns the pathname of the user's tty. Returns NULL if +** the user is not logged in or if s/he has write permission +** denied. +** +** Parameters: +** none +** +** Returns: +** pathname of the user's tty. +** NULL if not logged in or write permission denied. +** +** Side Effects: +** none. +** +** WARNING: +** Return value is in a local buffer. +** +** Called By: +** savemail +*/ + +char * +ttypath() +{ + struct stat stbuf; + register char *pathn; + extern char *ttyname(); + extern char *getlogin(); + + /* compute the pathname of the controlling tty */ + if ((pathn = ttyname(2)) == NULL && (pathn = ttyname(1)) == NULL && + (pathn = ttyname(0)) == NULL) + { + errno = 0; + return NULL; + } + + /* see if we have write permission */ + if (stat(pathn, &stbuf) < 0 || !bitset(S_IWOTH, stbuf.st_mode)) + { + errno = 0; + return NULL; + } + + /* see if the user is logged in */ + if (getlogin() == NULL) + return NULL; + + /* looks good */ + return pathn; +} +/* +** CHECKCOMPAT -- check for From and To person compatible. +** +** This routine can be supplied on a per-installation basis +** to determine whether a person is allowed to send a message. +** This allows restriction of certain types of internet +** forwarding or registration of users. +** +** If the hosts are found to be incompatible, an error +** message should be given using "usrerr" and an EX_ code +** should be returned. You can also set to->q_status to +** a DSN-style status code. +** +** EF_NO_BODY_RETN can be set in e->e_flags to suppress the +** body during the return-to-sender function; this should be done +** on huge messages. This bit may already be set by the ESMTP +** protocol. +** +** Parameters: +** to -- the person being sent to. +** +** Returns: +** an exit status +** +** Side Effects: +** none (unless you include the usrerr stuff) +*/ + +int +checkcompat(to, e) + register ADDRESS *to; + register ENVELOPE *e; +{ + if (tTd(49, 1)) + sm_dprintf("checkcompat(to=%s, from=%s)\n", + to->q_paddr, e->e_from.q_paddr); + +#ifdef EXAMPLE_CODE + /* this code is intended as an example only */ + register STAB *s; + + s = stab("arpa", ST_MAILER, ST_FIND); + if (s != NULL && strcmp(e->e_from.q_mailer->m_name, "local") != 0 && + to->q_mailer == s->s_mailer) + { + usrerr("553 No ARPA mail through this machine: see your system administration"); + /* e->e_flags |= EF_NO_BODY_RETN; to suppress body on return */ + to->q_status = "5.7.1"; + return EX_UNAVAILABLE; + } +#endif /* EXAMPLE_CODE */ + return EX_OK; +} +/* +** INIT_MD -- do machine dependent initializations +** +** Systems that have global modes that should be set should do +** them here rather than in main. +*/ + +#ifdef _AUX_SOURCE +# include +#endif /* _AUX_SOURCE */ + +#if SHARE_V1 +# include +#endif /* SHARE_V1 */ + +void +init_md(argc, argv) + int argc; + char **argv; +{ +#ifdef _AUX_SOURCE + setcompat(getcompat() | COMPAT_BSDPROT); +#endif /* _AUX_SOURCE */ + +#ifdef SUN_EXTENSIONS + init_md_sun(); +#endif /* SUN_EXTENSIONS */ + +#if _CONVEX_SOURCE + /* keep gethostby*() from stripping the local domain name */ + set_domain_trim_off(); +#endif /* _CONVEX_SOURCE */ +#ifdef __QNX__ + /* + ** Due to QNX's network distributed nature, you can target a tcpip + ** stack on a different node in the qnx network; this patch lets + ** this feature work. The __sock_locate() must be done before the + ** environment is clear. + */ + __sock_locate(); +#endif /* __QNX__ */ +#if SECUREWARE || defined(_SCO_unix_) + set_auth_parameters(argc, argv); + +# ifdef _SCO_unix_ + /* + ** This is required for highest security levels (the kernel + ** won't let it call set*uid() or run setuid binaries without + ** it). It may be necessary on other SECUREWARE systems. + */ + + if (getluid() == -1) + setluid(0); +# endif /* _SCO_unix_ */ +#endif /* SECUREWARE || defined(_SCO_unix_) */ + + +#ifdef VENDOR_DEFAULT + VendorCode = VENDOR_DEFAULT; +#else /* VENDOR_DEFAULT */ + VendorCode = VENDOR_BERKELEY; +#endif /* VENDOR_DEFAULT */ +} +/* +** INIT_VENDOR_MACROS -- vendor-dependent macro initializations +** +** Called once, on startup. +** +** Parameters: +** e -- the global envelope. +** +** Returns: +** none. +** +** Side Effects: +** vendor-dependent. +*/ + +void +init_vendor_macros(e) + register ENVELOPE *e; +{ +} +/* +** GETLA -- get the current load average +** +** This code stolen from la.c. +** +** Parameters: +** none. +** +** Returns: +** The current load average as an integer. +** +** Side Effects: +** none. +*/ + +/* try to guess what style of load average we have */ +#define LA_ZERO 1 /* always return load average as zero */ +#define LA_INT 2 /* read kmem for avenrun; interpret as long */ +#define LA_FLOAT 3 /* read kmem for avenrun; interpret as float */ +#define LA_SUBR 4 /* call getloadavg */ +#define LA_MACH 5 /* MACH load averages (as on NeXT boxes) */ +#define LA_SHORT 6 /* read kmem for avenrun; interpret as short */ +#define LA_PROCSTR 7 /* read string ("1.17") from /proc/loadavg */ +#define LA_READKSYM 8 /* SVR4: use MIOC_READKSYM ioctl call */ +#define LA_DGUX 9 /* special DGUX implementation */ +#define LA_HPUX 10 /* special HPUX implementation */ +#define LA_IRIX6 11 /* special IRIX 6.2 implementation */ +#define LA_KSTAT 12 /* special Solaris kstat(3k) implementation */ +#define LA_DEVSHORT 13 /* read short from a device */ +#define LA_ALPHAOSF 14 /* Digital UNIX (OSF/1 on Alpha) table() call */ +#define LA_PSET 15 /* Solaris per-processor-set load average */ +#define LA_LONGLONG 17 /* read kmem for avenrun; interpret as long long */ + +/* do guesses based on general OS type */ +#ifndef LA_TYPE +# define LA_TYPE LA_ZERO +#endif /* ! LA_TYPE */ + +#ifndef FSHIFT +# if defined(unixpc) +# define FSHIFT 5 +# endif /* defined(unixpc) */ + +# if defined(__alpha) || defined(IRIX) +# define FSHIFT 10 +# endif /* defined(__alpha) || defined(IRIX) */ + +#endif /* ! FSHIFT */ + +#ifndef FSHIFT +# define FSHIFT 8 +#endif /* ! FSHIFT */ + +#ifndef FSCALE +# define FSCALE (1 << FSHIFT) +#endif /* ! FSCALE */ + +#ifndef LA_AVENRUN +# ifdef SYSTEM5 +# define LA_AVENRUN "avenrun" +# else /* SYSTEM5 */ +# define LA_AVENRUN "_avenrun" +# endif /* SYSTEM5 */ +#endif /* ! LA_AVENRUN */ + +/* _PATH_KMEM should be defined in */ +#ifndef _PATH_KMEM +# define _PATH_KMEM "/dev/kmem" +#endif /* ! _PATH_KMEM */ + +#if (LA_TYPE == LA_INT) || (LA_TYPE == LA_FLOAT) || (LA_TYPE == LA_SHORT) || (LA_TYPE == LA_LONGLONG) + +# include + +/* _PATH_UNIX should be defined in */ +# ifndef _PATH_UNIX +# if defined(SYSTEM5) +# define _PATH_UNIX "/unix" +# else /* defined(SYSTEM5) */ +# define _PATH_UNIX "/vmunix" +# endif /* defined(SYSTEM5) */ +# endif /* ! _PATH_UNIX */ + +# ifdef _AUX_SOURCE +struct nlist Nl[2]; +# else /* _AUX_SOURCE */ +struct nlist Nl[] = +{ + { LA_AVENRUN }, + { 0 }, +}; +# endif /* _AUX_SOURCE */ +# define X_AVENRUN 0 + +int +getla() +{ + int j; + static int kmem = -1; +# if LA_TYPE == LA_INT + long avenrun[3]; +# else /* LA_TYPE == LA_INT */ +# if LA_TYPE == LA_SHORT + short avenrun[3]; +# else +# if LA_TYPE == LA_LONGLONG + long long avenrun[3]; +# else /* LA_TYPE == LA_LONGLONG */ + double avenrun[3]; +# endif /* LA_TYPE == LA_LONGLONG */ +# endif /* LA_TYPE == LA_SHORT */ +# endif /* LA_TYPE == LA_INT */ + extern off_t lseek(); + + if (kmem < 0) + { +# ifdef _AUX_SOURCE + (void) sm_strlcpy(Nl[X_AVENRUN].n_name, LA_AVENRUN, + sizeof Nl[X_AVENRUN].n_name); + Nl[1].n_name[0] = '\0'; +# endif /* _AUX_SOURCE */ + +# if defined(_AIX3) || defined(_AIX4) + if (knlist(Nl, 1, sizeof Nl[0]) < 0) +# else /* defined(_AIX3) || defined(_AIX4) */ + if (nlist(_PATH_UNIX, Nl) < 0) +# endif /* defined(_AIX3) || defined(_AIX4) */ + { + if (tTd(3, 1)) + sm_dprintf("getla: nlist(%s): %s\n", _PATH_UNIX, + sm_errstring(errno)); + return -1; + } + if (Nl[X_AVENRUN].n_value == 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: nlist(%s, %s) ==> 0\n", + _PATH_UNIX, LA_AVENRUN); + return -1; + } +# ifdef NAMELISTMASK + Nl[X_AVENRUN].n_value &= NAMELISTMASK; +# endif /* NAMELISTMASK */ + + kmem = open(_PATH_KMEM, 0, 0); + if (kmem < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: open(/dev/kmem): %s\n", + sm_errstring(errno)); + return -1; + } + if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || + fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: fcntl(/dev/kmem, FD_CLOEXEC): %s\n", + sm_errstring(errno)); + (void) close(kmem); + kmem = -1; + return -1; + } + } + if (tTd(3, 20)) + sm_dprintf("getla: symbol address = %#lx\n", + (unsigned long) Nl[X_AVENRUN].n_value); + if (lseek(kmem, (off_t) Nl[X_AVENRUN].n_value, SEEK_SET) == -1 || + read(kmem, (char *) avenrun, sizeof(avenrun)) < sizeof(avenrun)) + { + /* thank you Ian */ + if (tTd(3, 1)) + sm_dprintf("getla: lseek or read: %s\n", + sm_errstring(errno)); + return -1; + } +# if (LA_TYPE == LA_INT) || (LA_TYPE == LA_SHORT) || (LA_TYPE == LA_LONGLONG) + if (tTd(3, 5)) + { +# if LA_TYPE == LA_SHORT + sm_dprintf("getla: avenrun = %d", avenrun[0]); + if (tTd(3, 15)) + sm_dprintf(", %d, %d", avenrun[1], avenrun[2]); +# else /* LA_TYPE == LA_SHORT */ +# if LA_TYPE == LA_LONGLONG + sm_dprintf("getla: avenrun = %lld", avenrun[0]); + if (tTd(3, 15)) + sm_dprintf(", %lld, %lld", avenrun[1], avenrun[2]); +# else /* LA_TYPE == LA_LONGLONG */ + sm_dprintf("getla: avenrun = %ld", avenrun[0]); + if (tTd(3, 15)) + sm_dprintf(", %ld, %ld", avenrun[1], avenrun[2]); +# endif /* LA_TYPE == LA_LONGLONG */ +# endif /* LA_TYPE == LA_SHORT */ + sm_dprintf("\n"); + } + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", + (int) (avenrun[0] + FSCALE/2) >> FSHIFT); + return ((int) (avenrun[0] + FSCALE/2) >> FSHIFT); +# else /* (LA_TYPE == LA_INT) || (LA_TYPE == LA_SHORT) || (LA_TYPE == LA_LONGLONG) */ + if (tTd(3, 5)) + { + sm_dprintf("getla: avenrun = %g", avenrun[0]); + if (tTd(3, 15)) + sm_dprintf(", %g, %g", avenrun[1], avenrun[2]); + sm_dprintf("\n"); + } + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", (int) (avenrun[0] +0.5)); + return ((int) (avenrun[0] + 0.5)); +# endif /* (LA_TYPE == LA_INT) || (LA_TYPE == LA_SHORT) || (LA_TYPE == LA_LONGLONG) */ +} + +#endif /* (LA_TYPE == LA_INT) || (LA_TYPE == LA_FLOAT) || (LA_TYPE == LA_SHORT) || (LA_TYPE == LA_LONGLONG) */ + +#if LA_TYPE == LA_READKSYM + +# include + +int +getla() +{ + int j; + static int kmem = -1; + long avenrun[3]; + struct mioc_rksym mirk; + + if (kmem < 0) + { + kmem = open("/dev/kmem", 0, 0); + if (kmem < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: open(/dev/kmem): %s\n", + sm_errstring(errno)); + return -1; + } + if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || + fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: fcntl(/dev/kmem, FD_CLOEXEC): %s\n", + sm_errstring(errno)); + (void) close(kmem); + kmem = -1; + return -1; + } + } + mirk.mirk_symname = LA_AVENRUN; + mirk.mirk_buf = avenrun; + mirk.mirk_buflen = sizeof(avenrun); + if (ioctl(kmem, MIOC_READKSYM, &mirk) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: ioctl(MIOC_READKSYM) failed: %s\n", + sm_errstring(errno)); + return -1; + } + if (tTd(3, 5)) + { + sm_dprintf("getla: avenrun = %d", avenrun[0]); + if (tTd(3, 15)) + sm_dprintf(", %d, %d", avenrun[1], avenrun[2]); + sm_dprintf("\n"); + } + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", + (int) (avenrun[0] + FSCALE/2) >> FSHIFT); + return ((int) (avenrun[0] + FSCALE/2) >> FSHIFT); +} + +#endif /* LA_TYPE == LA_READKSYM */ + +#if LA_TYPE == LA_DGUX + +# include + +int +getla() +{ + struct dg_sys_info_load_info load_info; + + dg_sys_info((long *)&load_info, + DG_SYS_INFO_LOAD_INFO_TYPE, DG_SYS_INFO_LOAD_VERSION_0); + + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", (int) (load_info.one_minute + 0.5)); + + return ((int) (load_info.one_minute + 0.5)); +} + +#endif /* LA_TYPE == LA_DGUX */ + +#if LA_TYPE == LA_HPUX + +/* forward declarations to keep gcc from complaining */ +struct pst_dynamic; +struct pst_status; +struct pst_static; +struct pst_vminfo; +struct pst_diskinfo; +struct pst_processor; +struct pst_lv; +struct pst_swapinfo; + +# include +# include + +int +getla() +{ + struct pst_dynamic pstd; + + if (pstat_getdynamic(&pstd, sizeof(struct pst_dynamic), + (size_t) 1, 0) == -1) + return 0; + + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", (int) (pstd.psd_avg_1_min + 0.5)); + + return (int) (pstd.psd_avg_1_min + 0.5); +} + +#endif /* LA_TYPE == LA_HPUX */ + +#if LA_TYPE == LA_SUBR + +int +getla() +{ + double avenrun[3]; + + if (getloadavg(avenrun, sizeof(avenrun) / sizeof(avenrun[0])) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: getloadavg failed: %s", + sm_errstring(errno)); + return -1; + } + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", (int) (avenrun[0] +0.5)); + return ((int) (avenrun[0] + 0.5)); +} + +#endif /* LA_TYPE == LA_SUBR */ + +#if LA_TYPE == LA_MACH + +/* +** This has been tested on NEXTSTEP release 2.1/3.X. +*/ + +# if defined(NX_CURRENT_COMPILER_RELEASE) && NX_CURRENT_COMPILER_RELEASE > NX_COMPILER_RELEASE_3_0 +# include +# else /* defined(NX_CURRENT_COMPILER_RELEASE) && NX_CURRENT_COMPILER_RELEASE > NX_COMPILER_RELEASE_3_0 */ +# include +# endif /* defined(NX_CURRENT_COMPILER_RELEASE) && NX_CURRENT_COMPILER_RELEASE > NX_COMPILER_RELEASE_3_0 */ + +int +getla() +{ + processor_set_t default_set; + kern_return_t error; + unsigned int info_count; + struct processor_set_basic_info info; + host_t host; + + error = processor_set_default(host_self(), &default_set); + if (error != KERN_SUCCESS) + { + if (tTd(3, 1)) + sm_dprintf("getla: processor_set_default failed: %s", + sm_errstring(errno)); + return -1; + } + info_count = PROCESSOR_SET_BASIC_INFO_COUNT; + if (processor_set_info(default_set, PROCESSOR_SET_BASIC_INFO, + &host, (processor_set_info_t)&info, + &info_count) != KERN_SUCCESS) + { + if (tTd(3, 1)) + sm_dprintf("getla: processor_set_info failed: %s", + sm_errstring(errno)); + return -1; + } + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", + (int) ((info.load_average + (LOAD_SCALE / 2)) / + LOAD_SCALE)); + return (int) (info.load_average + (LOAD_SCALE / 2)) / LOAD_SCALE; +} + +#endif /* LA_TYPE == LA_MACH */ + +#if LA_TYPE == LA_PROCSTR +# if SM_CONF_BROKEN_STRTOD + ERROR: This OS has most likely a broken strtod() implemenentation. + ERROR: The function is required for getla(). + ERROR: Check the compilation options _LA_PROCSTR and + ERROR: _SM_CONF_BROKEN_STRTOD (without the leading _). +# endif /* SM_CONF_BROKEN_STRTOD */ + +/* +** Read /proc/loadavg for the load average. This is assumed to be +** in a format like "0.15 0.12 0.06". +** +** Initially intended for Linux. This has been in the kernel +** since at least 0.99.15. +*/ + +# ifndef _PATH_LOADAVG +# define _PATH_LOADAVG "/proc/loadavg" +# endif /* ! _PATH_LOADAVG */ + +int +getla() +{ + double avenrun; + register int result; + SM_FILE_T *fp; + + fp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, _PATH_LOADAVG, SM_IO_RDONLY, + NULL); + if (fp == NULL) + { + if (tTd(3, 1)) + sm_dprintf("getla: sm_io_open(%s): %s\n", + _PATH_LOADAVG, sm_errstring(errno)); + return -1; + } + result = sm_io_fscanf(fp, SM_TIME_DEFAULT, "%lf", &avenrun); + (void) sm_io_close(fp, SM_TIME_DEFAULT); + if (result != 1) + { + if (tTd(3, 1)) + sm_dprintf("getla: sm_io_fscanf() = %d: %s\n", + result, sm_errstring(errno)); + return -1; + } + + if (tTd(3, 1)) + sm_dprintf("getla(): %.2f\n", avenrun); + + return ((int) (avenrun + 0.5)); +} + +#endif /* LA_TYPE == LA_PROCSTR */ + +#if LA_TYPE == LA_IRIX6 + +# include + +# ifdef _UNICOSMP +# define CAST_SYSMP(x) (x) +# else /* _UNICOSMP */ +# define CAST_SYSMP(x) ((x) & 0x7fffffff) +# endif /* _UNICOSMP */ + +int +getla(void) +{ + int j; + static int kmem = -1; + int avenrun[3]; + + if (kmem < 0) + { + kmem = open(_PATH_KMEM, 0, 0); + if (kmem < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: open(%s): %s\n", _PATH_KMEM, + sm_errstring(errno)); + return -1; + } + if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || + fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: fcntl(/dev/kmem, FD_CLOEXEC): %s\n", + sm_errstring(errno)); + (void) close(kmem); + kmem = -1; + return -1; + } + } + + if (lseek(kmem, CAST_SYSMP(sysmp(MP_KERNADDR, MPKA_AVENRUN)), SEEK_SET) + == -1 || + read(kmem, (char *) avenrun, sizeof(avenrun)) < sizeof(avenrun)) + { + if (tTd(3, 1)) + sm_dprintf("getla: lseek or read: %s\n", + sm_errstring(errno)); + return -1; + } + if (tTd(3, 5)) + { + sm_dprintf("getla: avenrun = %ld", (long int) avenrun[0]); + if (tTd(3, 15)) + sm_dprintf(", %ld, %ld", + (long int) avenrun[1], (long int) avenrun[2]); + sm_dprintf("\n"); + } + + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", + (int) (avenrun[0] + FSCALE/2) >> FSHIFT); + return ((int) (avenrun[0] + FSCALE/2) >> FSHIFT); + +} +#endif /* LA_TYPE == LA_IRIX6 */ + +#if LA_TYPE == LA_KSTAT + +# include + +int +getla() +{ + static kstat_ctl_t *kc = NULL; + static kstat_t *ksp = NULL; + kstat_named_t *ksn; + int la; + + if (kc == NULL) /* if not initialized before */ + kc = kstat_open(); + if (kc == NULL) + { + if (tTd(3, 1)) + sm_dprintf("getla: kstat_open(): %s\n", + sm_errstring(errno)); + return -1; + } + if (ksp == NULL) + ksp = kstat_lookup(kc, "unix", 0, "system_misc"); + if (ksp == NULL) + { + if (tTd(3, 1)) + sm_dprintf("getla: kstat_lookup(): %s\n", + sm_errstring(errno)); + return -1; + } + if (kstat_read(kc, ksp, NULL) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: kstat_read(): %s\n", + sm_errstring(errno)); + return -1; + } + ksn = (kstat_named_t *) kstat_data_lookup(ksp, "avenrun_1min"); + la = ((double) ksn->value.ul + FSCALE/2) / FSCALE; + /* kstat_close(kc); /o do not close for fast access */ + return la; +} + +#endif /* LA_TYPE == LA_KSTAT */ + +#if LA_TYPE == LA_DEVSHORT + +/* +** Read /dev/table/avenrun for the load average. This should contain +** three shorts for the 1, 5, and 15 minute loads. We only read the +** first, since that's all we care about. +** +** Intended for SCO OpenServer 5. +*/ + +# ifndef _PATH_AVENRUN +# define _PATH_AVENRUN "/dev/table/avenrun" +# endif /* ! _PATH_AVENRUN */ + +int +getla() +{ + static int afd = -1; + short avenrun; + int loadav; + int r; + + errno = EBADF; + + if (afd == -1 || lseek(afd, 0L, SEEK_SET) == -1) + { + if (errno != EBADF) + return -1; + afd = open(_PATH_AVENRUN, O_RDONLY|O_SYNC); + if (afd < 0) + { + sm_syslog(LOG_ERR, NOQID, + "can't open %s: %s", + _PATH_AVENRUN, sm_errstring(errno)); + return -1; + } + } + + r = read(afd, &avenrun, sizeof avenrun); + + if (tTd(3, 5)) + sm_dprintf("getla: avenrun = %d\n", avenrun); + loadav = (int) (avenrun + FSCALE/2) >> FSHIFT; + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", loadav); + return loadav; +} + +#endif /* LA_TYPE == LA_DEVSHORT */ + +#if LA_TYPE == LA_ALPHAOSF +struct rtentry; +struct mbuf; +# include + +int +getla() +{ + int ave = 0; + struct tbl_loadavg tab; + + if (table(TBL_LOADAVG, 0, &tab, 1, sizeof(tab)) == -1) + { + if (tTd(3, 1)) + sm_dprintf("getla: table %s\n", sm_errstring(errno)); + return -1; + } + + if (tTd(3, 1)) + sm_dprintf("getla: scale = %d\n", tab.tl_lscale); + + if (tab.tl_lscale) + ave = ((tab.tl_avenrun.l[2] + (tab.tl_lscale/2)) / + tab.tl_lscale); + else + ave = (int) (tab.tl_avenrun.d[2] + 0.5); + + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", ave); + + return ave; +} + +#endif /* LA_TYPE == LA_ALPHAOSF */ + +#if LA_TYPE == LA_PSET + +int +getla() +{ + double avenrun[3]; + + if (pset_getloadavg(PS_MYID, avenrun, + sizeof(avenrun) / sizeof(avenrun[0])) < 0) + { + if (tTd(3, 1)) + sm_dprintf("getla: pset_getloadavg failed: %s", + sm_errstring(errno)); + return -1; + } + if (tTd(3, 1)) + sm_dprintf("getla: %d\n", (int) (avenrun[0] +0.5)); + return ((int) (avenrun[0] + 0.5)); +} + +#endif /* LA_TYPE == LA_PSET */ + +#if LA_TYPE == LA_ZERO + +int +getla() +{ + if (tTd(3, 1)) + sm_dprintf("getla: ZERO\n"); + return 0; +} + +#endif /* LA_TYPE == LA_ZERO */ + +/* + * Copyright 1989 Massachusetts Institute of Technology + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. M.I.T. makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T. + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Many and varied... + */ + +/* Non Apollo stuff removed by Don Lewis 11/15/93 */ +#ifndef lint +SM_UNUSED(static char rcsid[]) = "@(#)$OrigId: getloadavg.c,v 1.16 1991/06/21 12:51:15 paul Exp $"; +#endif /* ! lint */ + +#ifdef apollo +# undef volatile +# include + +/* ARGSUSED */ +int getloadavg( call_data ) + caddr_t call_data; /* pointer to (double) return value */ +{ + double *avenrun = (double *) call_data; + int i; + status_$t st; + long loadav[3]; + + proc1_$get_loadav(loadav, &st); + *avenrun = loadav[0] / (double) (1 << 16); + return 0; +} +#endif /* apollo */ +/* +** SM_GETLA -- get the current load average +** +** Parameters: +** none +** +** Returns: +** none +** +** Side Effects: +** Set CurrentLA to the current load average. +** Set {load_avg} in GlobalMacros to the current load average. +*/ + +void +sm_getla() +{ + char labuf[8]; + + CurrentLA = getla(); + (void) sm_snprintf(labuf, sizeof labuf, "%d", CurrentLA); + macdefine(&GlobalMacros, A_TEMP, macid("{load_avg}"), labuf); +} +/* +** SHOULDQUEUE -- should this message be queued or sent? +** +** Compares the message cost to the load average to decide. +** +** Note: Do NOT change this API! It is documented in op.me +** and theoretically the user can change this function... +** +** Parameters: +** pri -- the priority of the message in question. +** ct -- the message creation time (unused, but see above). +** +** Returns: +** true -- if this message should be queued up for the +** time being. +** false -- if the load is low enough to send this message. +** +** Side Effects: +** none. +*/ + +/* ARGSUSED1 */ +bool +shouldqueue(pri, ct) + long pri; + time_t ct; +{ + bool rval; + + if (tTd(3, 30)) + sm_dprintf("shouldqueue: CurrentLA=%d, pri=%ld: ", + CurrentLA, pri); + if (CurrentLA < QueueLA) + { + if (tTd(3, 30)) + sm_dprintf("false (CurrentLA < QueueLA)\n"); + return false; + } +# if 0 /* this code is reported to cause oscillation around RefuseLA */ + if (CurrentLA >= RefuseLA && QueueLA < RefuseLA) + { + if (tTd(3, 30)) + sm_dprintf("TRUE (CurrentLA >= RefuseLA)\n"); + return true; + } +# endif /* 0 */ + rval = pri > (QueueFactor / (CurrentLA - QueueLA + 1)); + if (tTd(3, 30)) + sm_dprintf("%s (by calculation)\n", rval ? "true" : "false"); + return rval; +} +/* +** REFUSECONNECTIONS -- decide if connections should be refused +** +** Parameters: +** name -- daemon name (for error messages only) +** e -- the current envelope. +** d -- number of daemon +** active -- was this daemon actually active? +** +** Returns: +** true if incoming SMTP connections should be refused +** (for now). +** false if we should accept new work. +** +** Side Effects: +** Sets process title when it is rejecting connections. +*/ + +bool +refuseconnections(name, e, d, active) + char *name; + ENVELOPE *e; + int d; + bool active; +{ + static time_t lastconn[MAXDAEMONS]; + static int conncnt[MAXDAEMONS]; + static time_t firstrejtime[MAXDAEMONS]; + static time_t nextlogtime[MAXDAEMONS]; + +#if XLA + if (!xla_smtp_ok()) + return true; +#endif /* XLA */ + + SM_ASSERT(d >= 0); + SM_ASSERT(d < MAXDAEMONS); + if (ConnRateThrottle > 0) + { + time_t now; + + now = curtime(); + if (active) + { + if (now != lastconn[d]) + { + lastconn[d] = now; + conncnt[d] = 1; + } + else if (conncnt[d]++ > ConnRateThrottle) + { +#define D_MSG_CRT "deferring connections on daemon %s: %d per second" + /* sleep to flatten out connection load */ + sm_setproctitle(true, e, D_MSG_CRT, + name, ConnRateThrottle); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, D_MSG_CRT, + name, ConnRateThrottle); + (void) sleep(1); + } + } + else if (now != lastconn[d]) + conncnt[d] = 0; + } + + sm_getla(); + if (RefuseLA > 0 && CurrentLA >= RefuseLA) + { + time_t now; + +# define R_MSG_LA "rejecting connections on daemon %s: load average: %d" +# define R2_MSG_LA "have been rejecting connections on daemon %s for %s" + sm_setproctitle(true, e, R_MSG_LA, name, CurrentLA); + if (LogLevel > 8) + sm_syslog(LOG_NOTICE, NOQID, R_MSG_LA, name, CurrentLA); + now = curtime(); + if (firstrejtime[d] == 0) + { + firstrejtime[d] = now; + nextlogtime[d] = now + RejectLogInterval; + } + else if (nextlogtime[d] < now) + { + sm_syslog(LOG_ERR, NOQID, R2_MSG_LA, name, + pintvl(now - firstrejtime[d], true)); + nextlogtime[d] = now + RejectLogInterval; + } + return true; + } + else + firstrejtime[d] = 0; + + if (DelayLA > 0 && CurrentLA >= DelayLA) + { + time_t now; + static time_t log_delay = (time_t) 0; + +# define MIN_DELAY_LOG 90 /* wait before logging this again */ +# define D_MSG_LA "delaying connections on daemon %s: load average=%d >= %d" + /* sleep to flatten out connection load */ + sm_setproctitle(true, e, D_MSG_LA, name, DelayLA); + if (LogLevel > 8 && (now = curtime()) > log_delay) + { + sm_syslog(LOG_INFO, NOQID, D_MSG_LA, + name, CurrentLA, DelayLA); + log_delay = now + MIN_DELAY_LOG; + } + (void) sleep(1); + } + + if (MaxChildren > 0 && CurChildren >= MaxChildren) + { + proc_list_probe(); + if (CurChildren >= MaxChildren) + { +#define R_MSG_CHILD "rejecting connections on daemon %s: %d children, max %d" + sm_setproctitle(true, e, R_MSG_CHILD, + name, CurChildren, MaxChildren); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, R_MSG_CHILD, + name, CurChildren, MaxChildren); + return true; + } + } + return false; +} +/* +** SETPROCTITLE -- set process title for ps +** +** Parameters: +** fmt -- a printf style format string. +** a, b, c -- possible parameters to fmt. +** +** Returns: +** none. +** +** Side Effects: +** Clobbers argv of our main procedure so ps(1) will +** display the title. +*/ + +#define SPT_NONE 0 /* don't use it at all */ +#define SPT_REUSEARGV 1 /* cover argv with title information */ +#define SPT_BUILTIN 2 /* use libc builtin */ +#define SPT_PSTAT 3 /* use pstat(PSTAT_SETCMD, ...) */ +#define SPT_PSSTRINGS 4 /* use PS_STRINGS->... */ +#define SPT_SYSMIPS 5 /* use sysmips() supported by NEWS-OS 6 */ +#define SPT_SCO 6 /* write kernel u. area */ +#define SPT_CHANGEARGV 7 /* write our own strings into argv[] */ + +#ifndef SPT_TYPE +# define SPT_TYPE SPT_REUSEARGV +#endif /* ! SPT_TYPE */ + + +#if SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN + +# if SPT_TYPE == SPT_PSTAT +# include +# endif /* SPT_TYPE == SPT_PSTAT */ +# if SPT_TYPE == SPT_PSSTRINGS +# include +# include +# ifndef PS_STRINGS /* hmmmm.... apparently not available after all */ +# undef SPT_TYPE +# define SPT_TYPE SPT_REUSEARGV +# else /* ! PS_STRINGS */ +# ifndef NKPDE /* FreeBSD 2.0 */ +# define NKPDE 63 +typedef unsigned int *pt_entry_t; +# endif /* ! NKPDE */ +# endif /* ! PS_STRINGS */ +# endif /* SPT_TYPE == SPT_PSSTRINGS */ + +# if SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV +# define SETPROC_STATIC static +# else /* SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV */ +# define SETPROC_STATIC +# endif /* SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV */ + +# if SPT_TYPE == SPT_SYSMIPS +# include +# include +# endif /* SPT_TYPE == SPT_SYSMIPS */ + +# if SPT_TYPE == SPT_SCO +# include +# include +# include +# include +# if PSARGSZ > MAXLINE +# define SPT_BUFSIZE PSARGSZ +# endif /* PSARGSZ > MAXLINE */ +# endif /* SPT_TYPE == SPT_SCO */ + +# ifndef SPT_PADCHAR +# define SPT_PADCHAR ' ' +# endif /* ! SPT_PADCHAR */ + +#endif /* SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN */ + +#ifndef SPT_BUFSIZE +# define SPT_BUFSIZE MAXLINE +#endif /* ! SPT_BUFSIZE */ + +#if _FFR_SPT_ALIGN + +/* +** It looks like the Compaq Tru64 5.1A now aligns argv and envp to +** 64 bit alignment, so unless each piece of argv and envp is a multiple +** of 8 bytes (including terminating NULL), initsetproctitle() won't use +** any of the space beyond argv[0]. Be sure to set SPT_ALIGN_SIZE if +** you use this FFR. +*/ + +# ifdef SPT_ALIGN_SIZE +# define SPT_ALIGN(x, align) (((((x) + SPT_ALIGN_SIZE) >> (align)) << (align)) - 1) +# else /* SPT_ALIGN_SIZE */ +# define SPT_ALIGN(x, align) (x) +# endif /* SPT_ALIGN_SIZE */ +#else /* _FFR_SPT_ALIGN */ +# define SPT_ALIGN(x, align) (x) +#endif /* _FFR_SPT_ALIGN */ + +/* +** Pointers for setproctitle. +** This allows "ps" listings to give more useful information. +*/ + +static char **Argv = NULL; /* pointer to argument vector */ +static char *LastArgv = NULL; /* end of argv */ +#if SPT_TYPE != SPT_BUILTIN +static void setproctitle __P((const char *, ...)); +#endif /* SPT_TYPE != SPT_BUILTIN */ + +void +initsetproctitle(argc, argv, envp) + int argc; + char **argv; + char **envp; +{ + register int i; + int align; + extern char **environ; + + /* + ** Move the environment so setproctitle can use the space at + ** the top of memory. + */ + + if (envp != NULL) + { + for (i = 0; envp[i] != NULL; i++) + continue; + environ = (char **) xalloc(sizeof (char *) * (i + 1)); + for (i = 0; envp[i] != NULL; i++) + environ[i] = newstr(envp[i]); + environ[i] = NULL; + } + + /* + ** Save start and extent of argv for setproctitle. + */ + + Argv = argv; + + /* + ** Determine how much space we can use for setproctitle. + ** Use all contiguous argv and envp pointers starting at argv[0] + */ + + align = -1; +# if _FFR_SPT_ALIGN +# ifdef SPT_ALIGN_SIZE + for (i = SPT_ALIGN_SIZE; i > 0; i >>= 1) + align++; +# endif /* SPT_ALIGN_SIZE */ +# endif /* _FFR_SPT_ALIGN */ + + for (i = 0; i < argc; i++) + { + if (i == 0 || LastArgv + 1 == argv[i]) + LastArgv = argv[i] + SPT_ALIGN(strlen(argv[i]), align); + } + for (i = 0; LastArgv != NULL && envp != NULL && envp[i] != NULL; i++) + { + if (LastArgv + 1 == envp[i]) + LastArgv = envp[i] + SPT_ALIGN(strlen(envp[i]), align); + } +} + +#if SPT_TYPE != SPT_BUILTIN + +/*VARARGS1*/ +static void +# ifdef __STDC__ +setproctitle(const char *fmt, ...) +# else /* __STDC__ */ +setproctitle(fmt, va_alist) + const char *fmt; + va_dcl +# endif /* __STDC__ */ +{ +# if SPT_TYPE != SPT_NONE + register int i; + register char *p; + SETPROC_STATIC char buf[SPT_BUFSIZE]; + SM_VA_LOCAL_DECL +# if SPT_TYPE == SPT_PSTAT + union pstun pst; +# endif /* SPT_TYPE == SPT_PSTAT */ +# if SPT_TYPE == SPT_SCO + int j; + off_t seek_off; + static int kmem = -1; + static pid_t kmempid = -1; + struct user u; +# endif /* SPT_TYPE == SPT_SCO */ + + p = buf; + + /* print sendmail: heading for grep */ + (void) sm_strlcpy(p, "sendmail: ", SPACELEFT(buf, p)); + p += strlen(p); + + /* print the argument string */ + SM_VA_START(ap, fmt); + (void) sm_vsnprintf(p, SPACELEFT(buf, p), fmt, ap); + SM_VA_END(ap); + + i = (int) strlen(buf); + if (i < 0) + return; + +# if SPT_TYPE == SPT_PSTAT + pst.pst_command = buf; + pstat(PSTAT_SETCMD, pst, i, 0, 0); +# endif /* SPT_TYPE == SPT_PSTAT */ +# if SPT_TYPE == SPT_PSSTRINGS + PS_STRINGS->ps_nargvstr = 1; + PS_STRINGS->ps_argvstr = buf; +# endif /* SPT_TYPE == SPT_PSSTRINGS */ +# if SPT_TYPE == SPT_SYSMIPS + sysmips(SONY_SYSNEWS, NEWS_SETPSARGS, buf); +# endif /* SPT_TYPE == SPT_SYSMIPS */ +# if SPT_TYPE == SPT_SCO + if (kmem < 0 || kmempid != CurrentPid) + { + if (kmem >= 0) + (void) close(kmem); + kmem = open(_PATH_KMEM, O_RDWR, 0); + if (kmem < 0) + return; + if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || + fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) + { + (void) close(kmem); + kmem = -1; + return; + } + kmempid = CurrentPid; + } + buf[PSARGSZ - 1] = '\0'; + seek_off = UVUBLK + (off_t) u.u_psargs - (off_t) &u; + if (lseek(kmem, (off_t) seek_off, SEEK_SET) == seek_off) + (void) write(kmem, buf, PSARGSZ); +# endif /* SPT_TYPE == SPT_SCO */ +# if SPT_TYPE == SPT_REUSEARGV + if (LastArgv == NULL) + return; + + if (i > LastArgv - Argv[0] - 2) + { + i = LastArgv - Argv[0] - 2; + buf[i] = '\0'; + } + (void) sm_strlcpy(Argv[0], buf, i + 1); + p = &Argv[0][i]; + while (p < LastArgv) + *p++ = SPT_PADCHAR; + Argv[1] = NULL; +# endif /* SPT_TYPE == SPT_REUSEARGV */ +# if SPT_TYPE == SPT_CHANGEARGV + Argv[0] = buf; + Argv[1] = 0; +# endif /* SPT_TYPE == SPT_CHANGEARGV */ +# endif /* SPT_TYPE != SPT_NONE */ +} + +#endif /* SPT_TYPE != SPT_BUILTIN */ +/* +** SM_SETPROCTITLE -- set process task and set process title for ps +** +** Possibly set process status and call setproctitle() to +** change the ps display. +** +** Parameters: +** status -- whether or not to store as process status +** e -- the current envelope. +** fmt -- a printf style format string. +** a, b, c -- possible parameters to fmt. +** +** Returns: +** none. +*/ + +/*VARARGS2*/ +void +#ifdef __STDC__ +sm_setproctitle(bool status, ENVELOPE *e, const char *fmt, ...) +#else /* __STDC__ */ +sm_setproctitle(status, e, fmt, va_alist) + bool status; + ENVELOPE *e; + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + char buf[SPT_BUFSIZE]; + SM_VA_LOCAL_DECL + + /* print the argument string */ + SM_VA_START(ap, fmt); + (void) sm_vsnprintf(buf, sizeof buf, fmt, ap); + SM_VA_END(ap); + + if (status) + proc_list_set(CurrentPid, buf); + + if (ProcTitlePrefix != NULL) + { + char prefix[SPT_BUFSIZE]; + + expand(ProcTitlePrefix, prefix, sizeof prefix, e); + setproctitle("%s: %s", prefix, buf); + } + else + setproctitle("%s", buf); +} +/* +** WAITFOR -- wait for a particular process id. +** +** Parameters: +** pid -- process id to wait for. +** +** Returns: +** status of pid. +** -1 if pid never shows up. +** +** Side Effects: +** none. +*/ + +int +waitfor(pid) + pid_t pid; +{ + int st; + pid_t i; + + do + { + errno = 0; + i = sm_wait(&st); + if (i > 0) + proc_list_drop(i, st, NULL); + } while ((i >= 0 || errno == EINTR) && i != pid); + if (i < 0) + return -1; + return st; +} +/* +** SM_WAIT -- wait +** +** Parameters: +** status -- pointer to status (return value) +** +** Returns: +** pid +*/ + +pid_t +sm_wait(status) + int *status; +{ +# ifdef WAITUNION + union wait st; +# else /* WAITUNION */ + auto int st; +# endif /* WAITUNION */ + pid_t i; +# if defined(ISC_UNIX) || defined(_SCO_unix_) + int savesig; +# endif /* defined(ISC_UNIX) || defined(_SCO_unix_) */ + +# if defined(ISC_UNIX) || defined(_SCO_unix_) + savesig = sm_releasesignal(SIGCHLD); +# endif /* defined(ISC_UNIX) || defined(_SCO_unix_) */ + i = wait(&st); +# if defined(ISC_UNIX) || defined(_SCO_unix_) + if (savesig > 0) + sm_blocksignal(SIGCHLD); +# endif /* defined(ISC_UNIX) || defined(_SCO_unix_) */ +# ifdef WAITUNION + *status = st.w_status; +# else /* WAITUNION */ + *status = st; +# endif /* WAITUNION */ + return i; +} +/* +** REAPCHILD -- pick up the body of my child, lest it become a zombie +** +** Parameters: +** sig -- the signal that got us here (unused). +** +** Returns: +** none. +** +** Side Effects: +** Picks up extant zombies. +** Control socket exits may restart/shutdown daemon. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED0 */ +SIGFUNC_DECL +reapchild(sig) + int sig; +{ + int save_errno = errno; + int st; + pid_t pid; +# if HASWAITPID + auto int status; + int count; + + count = 0; + while ((pid = waitpid(-1, &status, WNOHANG)) > 0) + { + st = status; + if (count++ > 1000) + break; +# else /* HASWAITPID */ +# ifdef WNOHANG + union wait status; + + while ((pid = wait3(&status, WNOHANG, (struct rusage *) NULL)) > 0) + { + st = status.w_status; +# else /* WNOHANG */ + auto int status; + + /* + ** Catch one zombie -- we will be re-invoked (we hope) if there + ** are more. Unreliable signals probably break this, but this + ** is the "old system" situation -- waitpid or wait3 are to be + ** strongly preferred. + */ + + if ((pid = wait(&status)) > 0) + { + st = status; +# endif /* WNOHANG */ +# endif /* HASWAITPID */ + /* Drop PID and check if it was a control socket child */ + proc_list_drop(pid, st, NULL); + } + FIX_SYSV_SIGNAL(sig, reapchild); + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** GETDTABLESIZE -- return number of file descriptors +** +** Only on non-BSD systems +** +** Parameters: +** none +** +** Returns: +** size of file descriptor table +** +** Side Effects: +** none +*/ + +#ifdef SOLARIS +# include +#endif /* SOLARIS */ + +int +getdtsize() +{ +# ifdef RLIMIT_NOFILE + struct rlimit rl; + + if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) + return rl.rlim_cur; +# endif /* RLIMIT_NOFILE */ + +# if HASGETDTABLESIZE + return getdtablesize(); +# else /* HASGETDTABLESIZE */ +# ifdef _SC_OPEN_MAX + return sysconf(_SC_OPEN_MAX); +# else /* _SC_OPEN_MAX */ + return NOFILE; +# endif /* _SC_OPEN_MAX */ +# endif /* HASGETDTABLESIZE */ +} +/* +** UNAME -- get the UUCP name of this system. +*/ + +#if !HASUNAME + +int +uname(name) + struct utsname *name; +{ + SM_FILE_T *file; + char *n; + + name->nodename[0] = '\0'; + + /* try /etc/whoami -- one line with the node name */ + if ((file = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, "/etc/whoami", + SM_IO_RDONLY, NULL)) != NULL) + { + (void) sm_io_fgets(file, SM_TIME_DEFAULT, name->nodename, + NODE_LENGTH + 1); + (void) sm_io_close(file, SM_TIME_DEFAULT); + n = strchr(name->nodename, '\n'); + if (n != NULL) + *n = '\0'; + if (name->nodename[0] != '\0') + return 0; + } + + /* try /usr/include/whoami.h -- has a #define somewhere */ + if ((file = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, + "/usr/include/whoami.h", SM_IO_RDONLY, NULL)) + != NULL) + { + char buf[MAXLINE]; + + while (sm_io_fgets(file, SM_TIME_DEFAULT, + buf, sizeof buf) != NULL) + { + if (sm_io_sscanf(buf, "#define sysname \"%*[^\"]\"", + NODE_LENGTH, name->nodename) > 0) + break; + } + (void) sm_io_close(file, SM_TIME_DEFAULT); + if (name->nodename[0] != '\0') + return 0; + } + + return -1; +} +#endif /* !HASUNAME */ +/* +** INITGROUPS -- initialize groups +** +** Stub implementation for System V style systems +*/ + +#if !HASINITGROUPS + +initgroups(name, basegid) + char *name; + int basegid; +{ + return 0; +} + +#endif /* !HASINITGROUPS */ +/* +** SETGROUPS -- set group list +** +** Stub implementation for systems that don't have group lists +*/ + +#ifndef NGROUPS_MAX + +int +setgroups(ngroups, grouplist) + int ngroups; + GIDSET_T grouplist[]; +{ + return 0; +} + +#endif /* ! NGROUPS_MAX */ +/* +** SETSID -- set session id (for non-POSIX systems) +*/ + +#if !HASSETSID + +pid_t +setsid __P ((void)) +{ +# ifdef TIOCNOTTY + int fd; + + fd = open("/dev/tty", O_RDWR, 0); + if (fd >= 0) + { + (void) ioctl(fd, TIOCNOTTY, (char *) 0); + (void) close(fd); + } +# endif /* TIOCNOTTY */ +# ifdef SYS5SETPGRP + return setpgrp(); +# else /* SYS5SETPGRP */ + return setpgid(0, CurrentPid); +# endif /* SYS5SETPGRP */ +} + +#endif /* !HASSETSID */ +/* +** FSYNC -- dummy fsync +*/ + +#if NEEDFSYNC + +fsync(fd) + int fd; +{ +# ifdef O_SYNC + return fcntl(fd, F_SETFL, O_SYNC); +# else /* O_SYNC */ + /* nothing we can do */ + return 0; +# endif /* O_SYNC */ +} + +#endif /* NEEDFSYNC */ +/* +** DGUX_INET_ADDR -- inet_addr for DG/UX +** +** Data General DG/UX version of inet_addr returns a struct in_addr +** instead of a long. This patches things. Only needed on versions +** prior to 5.4.3. +*/ + +#ifdef DGUX_5_4_2 + +# undef inet_addr + +long +dgux_inet_addr(host) + char *host; +{ + struct in_addr haddr; + + haddr = inet_addr(host); + return haddr.s_addr; +} + +#endif /* DGUX_5_4_2 */ +/* +** GETOPT -- for old systems or systems with bogus implementations +*/ + +#if !SM_CONF_GETOPT + +/* + * Copyright (c) 1985 Regents of the University of California. + * All rights reserved. The Berkeley software License Agreement + * specifies the terms and conditions for redistribution. + */ + + +/* +** this version hacked to add `atend' flag to allow state machine +** to reset if invoked by the program to scan args for a 2nd time +*/ + +# if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)getopt.c 4.3 (Berkeley) 3/9/86"; +# endif /* defined(LIBC_SCCS) && !defined(lint) */ + +/* +** get option letter from argument vector +*/ +# ifdef _CONVEX_SOURCE +extern int optind, opterr, optopt; +extern char *optarg; +# else /* _CONVEX_SOURCE */ +int opterr = 1; /* if error message should be printed */ +int optind = 1; /* index into parent argv vector */ +int optopt = 0; /* character checked for validity */ +char *optarg = NULL; /* argument associated with option */ +# endif /* _CONVEX_SOURCE */ + +# define BADCH (int)'?' +# define EMSG "" +# define tell(s) if (opterr) \ + {sm_io_fputs(smioerr, SM_TIME_DEFAULT, *nargv); \ + (void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, s); \ + (void) sm_io_putc(smioerr, SM_TIME_DEFAULT, optopt); \ + (void) sm_io_putc(smioerr, SM_TIME_DEFAULT, '\n'); \ + return BADCH;} + +int +getopt(nargc,nargv,ostr) + int nargc; + char *const *nargv; + const char *ostr; +{ + static char *place = EMSG; /* option letter processing */ + static char atend = 0; + register char *oli = NULL; /* option letter list index */ + + if (atend) { + atend = 0; + place = EMSG; + } + if(!*place) { /* update scanning pointer */ + if (optind >= nargc || *(place = nargv[optind]) != '-' || !*++place) { + atend++; + return -1; + } + if (*place == '-') { /* found "--" */ + ++optind; + atend++; + return -1; + } + } /* option letter okay? */ + if ((optopt = (int)*place++) == (int)':' || !(oli = strchr(ostr,optopt))) { + if (!*place) ++optind; + tell(": illegal option -- "); + } + if (oli && *++oli != ':') { /* don't need argument */ + optarg = NULL; + if (!*place) ++optind; + } + else { /* need an argument */ + if (*place) optarg = place; /* no white space */ + else if (nargc <= ++optind) { /* no arg */ + place = EMSG; + tell(": option requires an argument -- "); + } + else optarg = nargv[optind]; /* white space */ + place = EMSG; + ++optind; + } + return optopt; /* dump back option letter */ +} + +#endif /* !SM_CONF_GETOPT */ +/* +** USERSHELLOK -- tell if a user's shell is ok for unrestricted use +** +** Parameters: +** user -- the name of the user we are checking. +** shell -- the user's shell from /etc/passwd +** +** Returns: +** true -- if it is ok to use this for unrestricted access. +** false -- if the shell is restricted. +*/ + +#if !HASGETUSERSHELL + +# ifndef _PATH_SHELLS +# define _PATH_SHELLS "/etc/shells" +# endif /* ! _PATH_SHELLS */ + +# if defined(_AIX3) || defined(_AIX4) +# include +# if _AIX4 >= 40200 +# include +# endif /* _AIX4 >= 40200 */ +# include +# endif /* defined(_AIX3) || defined(_AIX4) */ + +static char *DefaultUserShells[] = +{ + "/bin/sh", /* standard shell */ +# ifdef MPE + "/SYS/PUB/CI", +# else /* MPE */ + "/usr/bin/sh", + "/bin/csh", /* C shell */ + "/usr/bin/csh", +# endif /* MPE */ +# ifdef __hpux +# ifdef V4FS + "/usr/bin/rsh", /* restricted Bourne shell */ + "/usr/bin/ksh", /* Korn shell */ + "/usr/bin/rksh", /* restricted Korn shell */ + "/usr/bin/pam", + "/usr/bin/keysh", /* key shell (extended Korn shell) */ + "/usr/bin/posix/sh", +# else /* V4FS */ + "/bin/rsh", /* restricted Bourne shell */ + "/bin/ksh", /* Korn shell */ + "/bin/rksh", /* restricted Korn shell */ + "/bin/pam", + "/usr/bin/keysh", /* key shell (extended Korn shell) */ + "/bin/posix/sh", + "/sbin/sh", +# endif /* V4FS */ +# endif /* __hpux */ +# if defined(_AIX3) || defined(_AIX4) + "/bin/ksh", /* Korn shell */ + "/usr/bin/ksh", + "/bin/tsh", /* trusted shell */ + "/usr/bin/tsh", + "/bin/bsh", /* Bourne shell */ + "/usr/bin/bsh", +# endif /* defined(_AIX3) || defined(_AIX4) */ +# if defined(__svr4__) || defined(__svr5__) + "/bin/ksh", /* Korn shell */ + "/usr/bin/ksh", +# endif /* defined(__svr4__) || defined(__svr5__) */ +# ifdef sgi + "/sbin/sh", /* SGI's shells really live in /sbin */ + "/usr/bin/sh", + "/sbin/bsh", /* classic Bourne shell */ + "/bin/bsh", + "/usr/bin/bsh", + "/sbin/csh", /* standard csh */ + "/bin/csh", + "/usr/bin/csh", + "/sbin/jsh", /* classic Bourne shell w/ job control*/ + "/bin/jsh", + "/usr/bin/jsh", + "/bin/ksh", /* Korn shell */ + "/sbin/ksh", + "/usr/bin/ksh", + "/sbin/tcsh", /* Extended csh */ + "/bin/tcsh", + "/usr/bin/tcsh", +# endif /* sgi */ + NULL +}; + +#endif /* !HASGETUSERSHELL */ + +#define WILDCARD_SHELL "/SENDMAIL/ANY/SHELL/" + +bool +usershellok(user, shell) + char *user; + char *shell; +{ +# if HASGETUSERSHELL + register char *p; + extern char *getusershell(); + + if (shell == NULL || shell[0] == '\0' || wordinclass(user, 't') || + ConfigLevel <= 1) + return true; + + setusershell(); + while ((p = getusershell()) != NULL) + if (strcmp(p, shell) == 0 || strcmp(p, WILDCARD_SHELL) == 0) + break; + endusershell(); + return p != NULL; +# else /* HASGETUSERSHELL */ +# if USEGETCONFATTR + auto char *v; +# endif /* USEGETCONFATTR */ + register SM_FILE_T *shellf; + char buf[MAXLINE]; + + if (shell == NULL || shell[0] == '\0' || wordinclass(user, 't') || + ConfigLevel <= 1) + return true; + +# if USEGETCONFATTR + /* + ** Naturally IBM has a "better" idea..... + ** + ** What a crock. This interface isn't documented, it is + ** considered part of the security library (-ls), and it + ** only works if you are running as root (since the list + ** of valid shells is obviously a source of great concern). + ** I recommend that you do NOT define USEGETCONFATTR, + ** especially since you are going to have to set up an + ** /etc/shells anyhow to handle the cases where getconfattr + ** fails. + */ + + if (getconfattr(SC_SYS_LOGIN, SC_SHELLS, &v, SEC_LIST) == 0 && v != NULL) + { + while (*v != '\0') + { + if (strcmp(v, shell) == 0 || strcmp(v, WILDCARD_SHELL) == 0) + return true; + v += strlen(v) + 1; + } + return false; + } +# endif /* USEGETCONFATTR */ + + shellf = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, _PATH_SHELLS, + SM_IO_RDONLY, NULL); + if (shellf == NULL) + { + /* no /etc/shells; see if it is one of the std shells */ + char **d; + + if (errno != ENOENT && LogLevel > 3) + sm_syslog(LOG_ERR, NOQID, + "usershellok: cannot open %s: %s", + _PATH_SHELLS, sm_errstring(errno)); + + for (d = DefaultUserShells; *d != NULL; d++) + { + if (strcmp(shell, *d) == 0) + return true; + } + return false; + } + + while (sm_io_fgets(shellf, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) + { + register char *p, *q; + + p = buf; + while (*p != '\0' && *p != '#' && *p != '/') + p++; + if (*p == '#' || *p == '\0') + continue; + q = p; + while (*p != '\0' && *p != '#' && !(isascii(*p) && isspace(*p))) + p++; + *p = '\0'; + if (strcmp(shell, q) == 0 || strcmp(WILDCARD_SHELL, q) == 0) + { + (void) sm_io_close(shellf, SM_TIME_DEFAULT); + return true; + } + } + (void) sm_io_close(shellf, SM_TIME_DEFAULT); + return false; +# endif /* HASGETUSERSHELL */ +} +/* +** FREEDISKSPACE -- see how much free space is on the queue filesystem +** +** Only implemented if you have statfs. +** +** Parameters: +** dir -- the directory in question. +** bsize -- a variable into which the filesystem +** block size is stored. +** +** Returns: +** The number of blocks free on the queue filesystem. +** -1 if the statfs call fails. +** +** Side effects: +** Puts the filesystem block size into bsize. +*/ + +/* statfs types */ +# define SFS_NONE 0 /* no statfs implementation */ +# define SFS_USTAT 1 /* use ustat */ +# define SFS_4ARGS 2 /* use four-argument statfs call */ +# define SFS_VFS 3 /* use implementation */ +# define SFS_MOUNT 4 /* use implementation */ +# define SFS_STATFS 5 /* use implementation */ +# define SFS_STATVFS 6 /* use implementation */ + +# ifndef SFS_TYPE +# define SFS_TYPE SFS_NONE +# endif /* ! SFS_TYPE */ + +# if SFS_TYPE == SFS_USTAT +# include +# endif /* SFS_TYPE == SFS_USTAT */ +# if SFS_TYPE == SFS_4ARGS || SFS_TYPE == SFS_STATFS +# include +# endif /* SFS_TYPE == SFS_4ARGS || SFS_TYPE == SFS_STATFS */ +# if SFS_TYPE == SFS_VFS +# include +# endif /* SFS_TYPE == SFS_VFS */ +# if SFS_TYPE == SFS_MOUNT +# include +# endif /* SFS_TYPE == SFS_MOUNT */ +# if SFS_TYPE == SFS_STATVFS +# include +# endif /* SFS_TYPE == SFS_STATVFS */ + +long +freediskspace(dir, bsize) + char *dir; + long *bsize; +{ +# if SFS_TYPE == SFS_NONE + if (bsize != NULL) + *bsize = 4096L; + + /* assume free space is plentiful */ + return (long) LONG_MAX; +# else /* SFS_TYPE == SFS_NONE */ +# if SFS_TYPE == SFS_USTAT + struct ustat fs; + struct stat statbuf; +# define FSBLOCKSIZE DEV_BSIZE +# define SFS_BAVAIL f_tfree +# else /* SFS_TYPE == SFS_USTAT */ +# if defined(ultrix) + struct fs_data fs; +# define SFS_BAVAIL fd_bfreen +# define FSBLOCKSIZE 1024L +# else /* defined(ultrix) */ +# if SFS_TYPE == SFS_STATVFS + struct statvfs fs; +# define FSBLOCKSIZE fs.f_frsize +# else /* SFS_TYPE == SFS_STATVFS */ + struct statfs fs; +# define FSBLOCKSIZE fs.f_bsize +# endif /* SFS_TYPE == SFS_STATVFS */ +# endif /* defined(ultrix) */ +# endif /* SFS_TYPE == SFS_USTAT */ +# ifndef SFS_BAVAIL +# define SFS_BAVAIL f_bavail +# endif /* ! SFS_BAVAIL */ + +# if SFS_TYPE == SFS_USTAT + if (stat(dir, &statbuf) == 0 && ustat(statbuf.st_dev, &fs) == 0) +# else /* SFS_TYPE == SFS_USTAT */ +# if SFS_TYPE == SFS_4ARGS + if (statfs(dir, &fs, sizeof fs, 0) == 0) +# else /* SFS_TYPE == SFS_4ARGS */ +# if SFS_TYPE == SFS_STATVFS + if (statvfs(dir, &fs) == 0) +# else /* SFS_TYPE == SFS_STATVFS */ +# if defined(ultrix) + if (statfs(dir, &fs) > 0) +# else /* defined(ultrix) */ + if (statfs(dir, &fs) == 0) +# endif /* defined(ultrix) */ +# endif /* SFS_TYPE == SFS_STATVFS */ +# endif /* SFS_TYPE == SFS_4ARGS */ +# endif /* SFS_TYPE == SFS_USTAT */ + { + if (bsize != NULL) + *bsize = FSBLOCKSIZE; + if (fs.SFS_BAVAIL <= 0) + return 0; + else if (fs.SFS_BAVAIL > LONG_MAX) + return (long) LONG_MAX; + else + return (long) fs.SFS_BAVAIL; + } + return -1; +# endif /* SFS_TYPE == SFS_NONE */ +} +/* +** ENOUGHDISKSPACE -- is there enough free space on the queue file systems? +** +** Parameters: +** msize -- the size to check against. If zero, we don't yet +** know how big the message will be, so just check for +** a "reasonable" amount. +** e -- envelope, or NULL -- controls logging +** +** Returns: +** true if in every queue group there is at least one +** queue directory whose file system contains enough free space. +** false otherwise. +** +** Side Effects: +** If there is not enough disk space and e != NULL +** then sm_syslog is called. +*/ + +bool +enoughdiskspace(msize, e) + long msize; + ENVELOPE *e; +{ + int i; + + if (MinBlocksFree <= 0 && msize <= 0) + { + if (tTd(4, 80)) + sm_dprintf("enoughdiskspace: no threshold\n"); + return true; + } + + filesys_update(); + for (i = 0; i < NumQueue; ++i) + { + if (pickqdir(Queue[i], msize, e) < 0) + return false; + } + return true; +} +/* +** TRANSIENTERROR -- tell if an error code indicates a transient failure +** +** This looks at an errno value and tells if this is likely to +** go away if retried later. +** +** Parameters: +** err -- the errno code to classify. +** +** Returns: +** true if this is probably transient. +** false otherwise. +*/ + +bool +transienterror(err) + int err; +{ + switch (err) + { + case EIO: /* I/O error */ + case ENXIO: /* Device not configured */ + case EAGAIN: /* Resource temporarily unavailable */ + case ENOMEM: /* Cannot allocate memory */ + case ENODEV: /* Operation not supported by device */ + case ENFILE: /* Too many open files in system */ + case EMFILE: /* Too many open files */ + case ENOSPC: /* No space left on device */ + case ETIMEDOUT: /* Connection timed out */ +#ifdef ESTALE + case ESTALE: /* Stale NFS file handle */ +#endif /* ESTALE */ +#ifdef ENETDOWN + case ENETDOWN: /* Network is down */ +#endif /* ENETDOWN */ +#ifdef ENETUNREACH + case ENETUNREACH: /* Network is unreachable */ +#endif /* ENETUNREACH */ +#ifdef ENETRESET + case ENETRESET: /* Network dropped connection on reset */ +#endif /* ENETRESET */ +#ifdef ECONNABORTED + case ECONNABORTED: /* Software caused connection abort */ +#endif /* ECONNABORTED */ +#ifdef ECONNRESET + case ECONNRESET: /* Connection reset by peer */ +#endif /* ECONNRESET */ +#ifdef ENOBUFS + case ENOBUFS: /* No buffer space available */ +#endif /* ENOBUFS */ +#ifdef ESHUTDOWN + case ESHUTDOWN: /* Can't send after socket shutdown */ +#endif /* ESHUTDOWN */ +#ifdef ECONNREFUSED + case ECONNREFUSED: /* Connection refused */ +#endif /* ECONNREFUSED */ +#ifdef EHOSTDOWN + case EHOSTDOWN: /* Host is down */ +#endif /* EHOSTDOWN */ +#ifdef EHOSTUNREACH + case EHOSTUNREACH: /* No route to host */ +#endif /* EHOSTUNREACH */ +#ifdef EDQUOT + case EDQUOT: /* Disc quota exceeded */ +#endif /* EDQUOT */ +#ifdef EPROCLIM + case EPROCLIM: /* Too many processes */ +#endif /* EPROCLIM */ +#ifdef EUSERS + case EUSERS: /* Too many users */ +#endif /* EUSERS */ +#ifdef EDEADLK + case EDEADLK: /* Resource deadlock avoided */ +#endif /* EDEADLK */ +#ifdef EISCONN + case EISCONN: /* Socket already connected */ +#endif /* EISCONN */ +#ifdef EINPROGRESS + case EINPROGRESS: /* Operation now in progress */ +#endif /* EINPROGRESS */ +#ifdef EALREADY + case EALREADY: /* Operation already in progress */ +#endif /* EALREADY */ +#ifdef EADDRINUSE + case EADDRINUSE: /* Address already in use */ +#endif /* EADDRINUSE */ +#ifdef EADDRNOTAVAIL + case EADDRNOTAVAIL: /* Can't assign requested address */ +#endif /* EADDRNOTAVAIL */ +#ifdef ETXTBSY + case ETXTBSY: /* (Apollo) file locked */ +#endif /* ETXTBSY */ +#if defined(ENOSR) && (!defined(ENOBUFS) || (ENOBUFS != ENOSR)) + case ENOSR: /* Out of streams resources */ +#endif /* defined(ENOSR) && (!defined(ENOBUFS) || (ENOBUFS != ENOSR)) */ +#ifdef ENOLCK + case ENOLCK: /* No locks available */ +#endif /* ENOLCK */ + case E_SM_OPENTIMEOUT: /* PSEUDO: open timed out */ + return true; + } + + /* nope, must be permanent */ + return false; +} +/* +** LOCKFILE -- lock a file using flock or (shudder) fcntl locking +** +** Parameters: +** fd -- the file descriptor of the file. +** filename -- the file name (for error messages). +** ext -- the filename extension. +** type -- type of the lock. Bits can be: +** LOCK_EX -- exclusive lock. +** LOCK_NB -- non-blocking. +** LOCK_UN -- unlock. +** +** Returns: +** true if the lock was acquired. +** false otherwise. +*/ + +bool +lockfile(fd, filename, ext, type) + int fd; + char *filename; + char *ext; + int type; +{ + int i; + int save_errno; +# if !HASFLOCK + int action; + struct flock lfd; + + if (ext == NULL) + ext = ""; + + memset(&lfd, '\0', sizeof lfd); + if (bitset(LOCK_UN, type)) + lfd.l_type = F_UNLCK; + else if (bitset(LOCK_EX, type)) + lfd.l_type = F_WRLCK; + else + lfd.l_type = F_RDLCK; + + if (bitset(LOCK_NB, type)) + action = F_SETLK; + else + action = F_SETLKW; + + if (tTd(55, 60)) + sm_dprintf("lockfile(%s%s, action=%d, type=%d): ", + filename, ext, action, lfd.l_type); + + while ((i = fcntl(fd, action, &lfd)) < 0 && errno == EINTR) + continue; + if (i >= 0) + { + if (tTd(55, 60)) + sm_dprintf("SUCCESS\n"); + return true; + } + save_errno = errno; + + if (tTd(55, 60)) + sm_dprintf("(%s) ", sm_errstring(save_errno)); + + /* + ** On SunOS, if you are testing using -oQ/tmp/mqueue or + ** -oA/tmp/aliases or anything like that, and /tmp is mounted + ** as type "tmp" (that is, served from swap space), the + ** previous fcntl will fail with "Invalid argument" errors. + ** Since this is fairly common during testing, we will assume + ** that this indicates that the lock is successfully grabbed. + */ + + if (save_errno == EINVAL) + { + if (tTd(55, 60)) + sm_dprintf("SUCCESS\n"); + return true; + } + + if (!bitset(LOCK_NB, type) || + (save_errno != EACCES && save_errno != EAGAIN)) + { + int omode = fcntl(fd, F_GETFL, 0); + uid_t euid = geteuid(); + + errno = save_errno; + syserr("cannot lockf(%s%s, fd=%d, type=%o, omode=%o, euid=%d)", + filename, ext, fd, type, omode, euid); + dumpfd(fd, true, true); + } +# else /* !HASFLOCK */ + if (ext == NULL) + ext = ""; + + if (tTd(55, 60)) + sm_dprintf("lockfile(%s%s, type=%o): ", filename, ext, type); + + while ((i = flock(fd, type)) < 0 && errno == EINTR) + continue; + if (i >= 0) + { + if (tTd(55, 60)) + sm_dprintf("SUCCESS\n"); + return true; + } + save_errno = errno; + + if (tTd(55, 60)) + sm_dprintf("(%s) ", sm_errstring(save_errno)); + + if (!bitset(LOCK_NB, type) || save_errno != EWOULDBLOCK) + { + int omode = fcntl(fd, F_GETFL, 0); + uid_t euid = geteuid(); + + errno = save_errno; + syserr("cannot flock(%s%s, fd=%d, type=%o, omode=%o, euid=%d)", + filename, ext, fd, type, omode, euid); + dumpfd(fd, true, true); + } +# endif /* !HASFLOCK */ + if (tTd(55, 60)) + sm_dprintf("FAIL\n"); + errno = save_errno; + return false; +} +/* +** CHOWNSAFE -- tell if chown is "safe" (executable only by root) +** +** Unfortunately, given that we can't predict other systems on which +** a remote mounted (NFS) filesystem will be mounted, the answer is +** almost always that this is unsafe. +** +** Note also that many operating systems have non-compliant +** implementations of the _POSIX_CHOWN_RESTRICTED variable and the +** fpathconf() routine. According to IEEE 1003.1-1990, if +** _POSIX_CHOWN_RESTRICTED is defined and not equal to -1, then +** no non-root process can give away the file. However, vendors +** don't take NFS into account, so a comfortable value of +** _POSIX_CHOWN_RESTRICTED tells us nothing. +** +** Also, some systems (e.g., IRIX 6.2) return 1 from fpathconf() +** even on files where chown is not restricted. Many systems get +** this wrong on NFS-based filesystems (that is, they say that chown +** is restricted [safe] on NFS filesystems where it may not be, since +** other systems can access the same filesystem and do file giveaway; +** only the NFS server knows for sure!) Hence, it is important to +** get the value of SAFENFSPATHCONF correct -- it should be defined +** _only_ after testing (see test/t_pathconf.c) a system on an unsafe +** NFS-based filesystem to ensure that you can get meaningful results. +** If in doubt, assume unsafe! +** +** You may also need to tweak IS_SAFE_CHOWN -- it should be a +** condition indicating whether the return from pathconf indicates +** that chown is safe (typically either > 0 or >= 0 -- there isn't +** even any agreement about whether a zero return means that a file +** is or is not safe). It defaults to "> 0". +** +** If the parent directory is safe (writable only by owner back +** to the root) then we can relax slightly and trust fpathconf +** in more circumstances. This is really a crock -- if this is an +** NFS mounted filesystem then we really know nothing about the +** underlying implementation. However, most systems pessimize and +** return an error (EINVAL or EOPNOTSUPP) on NFS filesystems, which +** we interpret as unsafe, as we should. Thus, this heuristic gets +** us into a possible problem only on systems that have a broken +** pathconf implementation and which are also poorly configured +** (have :include: files in group- or world-writable directories). +** +** Parameters: +** fd -- the file descriptor to check. +** safedir -- set if the parent directory is safe. +** +** Returns: +** true -- if the chown(2) operation is "safe" -- that is, +** only root can chown the file to an arbitrary user. +** false -- if an arbitrary user can give away a file. +*/ + +#ifndef IS_SAFE_CHOWN +# define IS_SAFE_CHOWN > 0 +#endif /* ! IS_SAFE_CHOWN */ + +bool +chownsafe(fd, safedir) + int fd; + bool safedir; +{ +# if (!defined(_POSIX_CHOWN_RESTRICTED) || _POSIX_CHOWN_RESTRICTED != -1) && \ + (defined(_PC_CHOWN_RESTRICTED) || defined(_GNU_TYPES_H)) + int rval; + + /* give the system administrator a chance to override */ + if (bitnset(DBS_ASSUMESAFECHOWN, DontBlameSendmail)) + return true; + + /* + ** Some systems (e.g., SunOS) seem to have the call and the + ** #define _PC_CHOWN_RESTRICTED, but don't actually implement + ** the call. This heuristic checks for that. + */ + + errno = 0; + rval = fpathconf(fd, _PC_CHOWN_RESTRICTED); +# if SAFENFSPATHCONF + return errno == 0 && rval IS_SAFE_CHOWN; +# else /* SAFENFSPATHCONF */ + return safedir && errno == 0 && rval IS_SAFE_CHOWN; +# endif /* SAFENFSPATHCONF */ +# else /* (!defined(_POSIX_CHOWN_RESTRICTED) || _POSIX_CHOWN_RESTRICTED != -1) && ... */ + return bitnset(DBS_ASSUMESAFECHOWN, DontBlameSendmail); +# endif /* (!defined(_POSIX_CHOWN_RESTRICTED) || _POSIX_CHOWN_RESTRICTED != -1) && ... */ +} +/* +** RESETLIMITS -- reset system controlled resource limits +** +** This is to avoid denial-of-service attacks +** +** Parameters: +** none +** +** Returns: +** none +*/ + +#if HASSETRLIMIT +# ifdef RLIMIT_NEEDS_SYS_TIME_H +# include +# endif /* RLIMIT_NEEDS_SYS_TIME_H */ +# include +#endif /* HASSETRLIMIT */ + +void +resetlimits() +{ +#if HASSETRLIMIT + struct rlimit lim; + + lim.rlim_cur = lim.rlim_max = RLIM_INFINITY; + (void) setrlimit(RLIMIT_CPU, &lim); + (void) setrlimit(RLIMIT_FSIZE, &lim); +# ifdef RLIMIT_NOFILE + lim.rlim_cur = lim.rlim_max = FD_SETSIZE; + (void) setrlimit(RLIMIT_NOFILE, &lim); +# endif /* RLIMIT_NOFILE */ +#else /* HASSETRLIMIT */ +# if HASULIMIT + (void) ulimit(2, 0x3fffff); + (void) ulimit(4, FD_SETSIZE); +# endif /* HASULIMIT */ +#endif /* HASSETRLIMIT */ + errno = 0; +} +/* +** SETVENDOR -- process vendor code from V configuration line +** +** Parameters: +** vendor -- string representation of vendor. +** +** Returns: +** true -- if ok. +** false -- if vendor code could not be processed. +** +** Side Effects: +** It is reasonable to set mode flags here to tweak +** processing in other parts of the code if necessary. +** For example, if you are a vendor that uses $%y to +** indicate YP lookups, you could enable that here. +*/ + +bool +setvendor(vendor) + char *vendor; +{ + if (sm_strcasecmp(vendor, "Berkeley") == 0) + { + VendorCode = VENDOR_BERKELEY; + return true; + } + + /* add vendor extensions here */ + +#ifdef SUN_EXTENSIONS + if (sm_strcasecmp(vendor, "Sun") == 0) + { + VendorCode = VENDOR_SUN; + return true; + } +#endif /* SUN_EXTENSIONS */ + +#if defined(VENDOR_NAME) && defined(VENDOR_CODE) + if (sm_strcasecmp(vendor, VENDOR_NAME) == 0) + { + VendorCode = VENDOR_CODE; + return true; + } +#endif /* defined(VENDOR_NAME) && defined(VENDOR_CODE) */ + + return false; +} +/* +** GETVENDOR -- return vendor name based on vendor code +** +** Parameters: +** vendorcode -- numeric representation of vendor. +** +** Returns: +** string containing vendor name. +*/ + +char * +getvendor(vendorcode) + int vendorcode; +{ +#if defined(VENDOR_NAME) && defined(VENDOR_CODE) + /* + ** Can't have the same switch case twice so need to + ** handle VENDOR_CODE outside of switch. It might + ** match one of the existing VENDOR_* codes. + */ + + if (vendorcode == VENDOR_CODE) + return VENDOR_NAME; +#endif /* defined(VENDOR_NAME) && defined(VENDOR_CODE) */ + + switch (vendorcode) + { + case VENDOR_BERKELEY: + return "Berkeley"; + + case VENDOR_SUN: + return "Sun"; + + case VENDOR_HP: + return "HP"; + + case VENDOR_IBM: + return "IBM"; + + case VENDOR_SENDMAIL: + return "Sendmail"; + + default: + return "Unknown"; + } +} +/* +** VENDOR_PRE_DEFAULTS, VENDOR_POST_DEFAULTS -- set vendor-specific defaults +** +** Vendor_pre_defaults is called before reading the configuration +** file; vendor_post_defaults is called immediately after. +** +** Parameters: +** e -- the global environment to initialize. +** +** Returns: +** none. +*/ + +#if SHARE_V1 +int DefShareUid; /* default share uid to run as -- unused??? */ +#endif /* SHARE_V1 */ + +void +vendor_pre_defaults(e) + ENVELOPE *e; +{ +#if SHARE_V1 + /* OTHERUID is defined in shares.h, do not be alarmed */ + DefShareUid = OTHERUID; +#endif /* SHARE_V1 */ +#if defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) + sun_pre_defaults(e); +#endif /* defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) */ +#ifdef apollo + /* + ** stupid domain/os can't even open + ** /etc/mail/sendmail.cf without this + */ + + setuserenv("ISP", NULL); + setuserenv("SYSTYPE", NULL); +#endif /* apollo */ +} + + +void +vendor_post_defaults(e) + ENVELOPE *e; +{ +#ifdef __QNX__ + char *p; + + /* Makes sure the SOCK environment variable remains */ + if (p = getextenv("SOCK")) + setuserenv("SOCK", p); +#endif /* __QNX__ */ +#if defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) + sun_post_defaults(e); +#endif /* defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) */ +} +/* +** VENDOR_DAEMON_SETUP -- special vendor setup needed for daemon mode +*/ + +void +vendor_daemon_setup(e) + ENVELOPE *e; +{ +#if HASSETLOGIN + (void) setlogin(RunAsUserName); +#endif /* HASSETLOGIN */ +#if SECUREWARE + if (getluid() != -1) + { + usrerr("Daemon cannot have LUID"); + finis(false, true, EX_USAGE); + } +#endif /* SECUREWARE */ +} +/* +** VENDOR_SET_UID -- do setup for setting a user id +** +** This is called when we are still root. +** +** Parameters: +** uid -- the uid we are about to become. +** +** Returns: +** none. +*/ + +void +vendor_set_uid(uid) + UID_T uid; +{ + /* + ** We need to setup the share groups (lnodes) + ** and add auditing information (luid's) + ** before we loose our ``root''ness. + */ +#if SHARE_V1 + if (setupshares(uid, syserr) != 0) + syserr("Unable to set up shares"); +#endif /* SHARE_V1 */ +#if SECUREWARE + (void) setup_secure(uid); +#endif /* SECUREWARE */ +} +/* +** VALIDATE_CONNECTION -- check connection for rationality +** +** If the connection is rejected, this routine should log an +** appropriate message -- but should never issue any SMTP protocol. +** +** Parameters: +** sap -- a pointer to a SOCKADDR naming the peer. +** hostname -- the name corresponding to sap. +** e -- the current envelope. +** +** Returns: +** error message from rejection. +** NULL if not rejected. +*/ + +#if TCPWRAPPERS +# include + +/* tcpwrappers does no logging, but you still have to declare these -- ugh */ +int allow_severity = LOG_INFO; +int deny_severity = LOG_NOTICE; +#endif /* TCPWRAPPERS */ + +char * +validate_connection(sap, hostname, e) + SOCKADDR *sap; + char *hostname; + ENVELOPE *e; +{ +#if TCPWRAPPERS + char *host; + char *addr; + extern int hosts_ctl(); +#endif /* TCPWRAPPERS */ + + if (tTd(48, 3)) + sm_dprintf("validate_connection(%s, %s)\n", + hostname, anynet_ntoa(sap)); + + connection_rate_check(sap, e); + if (rscheck("check_relay", hostname, anynet_ntoa(sap), + e, RSF_RMCOMM|RSF_COUNT, 3, NULL, NOQID) != EX_OK) + { + static char reject[BUFSIZ*2]; + extern char MsgBuf[]; + + if (tTd(48, 4)) + sm_dprintf(" ... validate_connection: BAD (rscheck)\n"); + + if (strlen(MsgBuf) >= 3) + (void) sm_strlcpy(reject, MsgBuf, sizeof reject); + else + (void) sm_strlcpy(reject, "Access denied", sizeof reject); + + return reject; + } + +#if TCPWRAPPERS + if (hostname[0] == '[' && hostname[strlen(hostname) - 1] == ']') + host = "unknown"; + else + host = hostname; + addr = anynet_ntoa(sap); + +# if NETINET6 + /* TCP/Wrappers don't want the IPv6: protocol label */ + if (addr != NULL && sm_strncasecmp(addr, "IPv6:", 5) == 0) + addr += 5; +# endif /* NETINET6 */ + + if (!hosts_ctl("sendmail", host, addr, STRING_UNKNOWN)) + { + if (tTd(48, 4)) + sm_dprintf(" ... validate_connection: BAD (tcpwrappers)\n"); + if (LogLevel > 3) + sm_syslog(LOG_NOTICE, e->e_id, + "tcpwrappers (%s, %s) rejection", + host, addr); + return "Access denied"; + } +#endif /* TCPWRAPPERS */ + if (tTd(48, 4)) + sm_dprintf(" ... validate_connection: OK\n"); + return NULL; +} + +/* +** STRTOL -- convert string to long integer +** +** For systems that don't have it in the C library. +** +** This is taken verbatim from the 4.4-Lite C library. +*/ + +#if NEEDSTRTOL + +# if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)strtol.c 8.1 (Berkeley) 6/4/93"; +# endif /* defined(LIBC_SCCS) && !defined(lint) */ + +/* +** Convert a string to a long integer. +** +** Ignores `locale' stuff. Assumes that the upper and lower case +** alphabets and digits are each contiguous. +*/ + +long +strtol(nptr, endptr, base) + const char *nptr; + char **endptr; + register int base; +{ + register const char *s = nptr; + register unsigned long acc; + register int c; + register unsigned long cutoff; + register int neg = 0, any, cutlim; + + /* + ** Skip white space and pick up leading +/- sign if any. + ** If base is 0, allow 0x for hex and 0 for octal, else + ** assume decimal; if base is already 16, allow 0x. + */ + do { + c = *s++; + } while (isspace(c)); + if (c == '-') { + neg = 1; + c = *s++; + } else if (c == '+') + c = *s++; + if ((base == 0 || base == 16) && + c == '0' && (*s == 'x' || *s == 'X')) { + c = s[1]; + s += 2; + base = 16; + } + if (base == 0) + base = c == '0' ? 8 : 10; + + /* + ** Compute the cutoff value between legal numbers and illegal + ** numbers. That is the largest legal value, divided by the + ** base. An input number that is greater than this value, if + ** followed by a legal input character, is too big. One that + ** is equal to this value may be valid or not; the limit + ** between valid and invalid numbers is then based on the last + ** digit. For instance, if the range for longs is + ** [-2147483648..2147483647] and the input base is 10, + ** cutoff will be set to 214748364 and cutlim to either + ** 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated + ** a value > 214748364, or equal but the next digit is > 7 (or 8), + ** the number is too big, and we will return a range error. + ** + ** Set any if any `digits' consumed; make it negative to indicate + ** overflow. + */ + cutoff = neg ? -(unsigned long) LONG_MIN : LONG_MAX; + cutlim = cutoff % (unsigned long) base; + cutoff /= (unsigned long) base; + for (acc = 0, any = 0;; c = *s++) { + if (isdigit(c)) + c -= '0'; + else if (isalpha(c)) + c -= isupper(c) ? 'A' - 10 : 'a' - 10; + else + break; + if (c >= base) + break; + if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim) + any = -1; + else { + any = 1; + acc *= base; + acc += c; + } + } + if (any < 0) { + acc = neg ? LONG_MIN : LONG_MAX; + errno = ERANGE; + } else if (neg) + acc = -acc; + if (endptr != 0) + *endptr = (char *)(any ? s - 1 : nptr); + return acc; +} + +#endif /* NEEDSTRTOL */ +/* +** STRSTR -- find first substring in string +** +** Parameters: +** big -- the big (full) string. +** little -- the little (sub) string. +** +** Returns: +** A pointer to the first instance of little in big. +** big if little is the null string. +** NULL if little is not contained in big. +*/ + +#if NEEDSTRSTR + +char * +strstr(big, little) + char *big; + char *little; +{ + register char *p = big; + int l; + + if (*little == '\0') + return big; + l = strlen(little); + + while ((p = strchr(p, *little)) != NULL) + { + if (strncmp(p, little, l) == 0) + return p; + p++; + } + return NULL; +} + +#endif /* NEEDSTRSTR */ +/* +** SM_GETHOSTBY{NAME,ADDR} -- compatibility routines for gethostbyXXX +** +** Some operating systems have wierd problems with the gethostbyXXX +** routines. For example, Solaris versions at least through 2.3 +** don't properly deliver a canonical h_name field. This tries to +** work around these problems. +** +** Support IPv6 as well as IPv4. +*/ + +#if NETINET6 && NEEDSGETIPNODE + +# ifndef AI_DEFAULT +# define AI_DEFAULT 0 /* dummy */ +# endif /* ! AI_DEFAULT */ +# ifndef AI_ADDRCONFIG +# define AI_ADDRCONFIG 0 /* dummy */ +# endif /* ! AI_ADDRCONFIG */ +# ifndef AI_V4MAPPED +# define AI_V4MAPPED 0 /* dummy */ +# endif /* ! AI_V4MAPPED */ +# ifndef AI_ALL +# define AI_ALL 0 /* dummy */ +# endif /* ! AI_ALL */ + +static struct hostent * +getipnodebyname(name, family, flags, err) + char *name; + int family; + int flags; + int *err; +{ + bool resv6 = true; + struct hostent *h; + + if (family == AF_INET6) + { + /* From RFC2133, section 6.1 */ + resv6 = bitset(RES_USE_INET6, _res.options); + _res.options |= RES_USE_INET6; + } + SM_SET_H_ERRNO(0); + h = gethostbyname(name); + if (!resv6) + _res.options &= ~RES_USE_INET6; + *err = h_errno; + return h; +} + +static struct hostent * +getipnodebyaddr(addr, len, family, err) + char *addr; + int len; + int family; + int *err; +{ + struct hostent *h; + + SM_SET_H_ERRNO(0); + h = gethostbyaddr(addr, len, family); + *err = h_errno; + return h; +} + +void +freehostent(h) + struct hostent *h; +{ + /* + ** Stub routine -- if they don't have getipnodeby*(), + ** they probably don't have the free routine either. + */ + + return; +} +#endif /* NETINET6 && NEEDSGETIPNODE */ + +struct hostent * +sm_gethostbyname(name, family) + char *name; + int family; +{ + int save_errno; + struct hostent *h = NULL; +#if (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) +# if SOLARIS == 20300 || SOLARIS == 203 + static struct hostent hp; + static char buf[1000]; + extern struct hostent *_switch_gethostbyname_r(); + + if (tTd(61, 10)) + sm_dprintf("_switch_gethostbyname_r(%s)... ", name); + h = _switch_gethostbyname_r(name, &hp, buf, sizeof(buf), &h_errno); + save_errno = errno; +# else /* SOLARIS == 20300 || SOLARIS == 203 */ + extern struct hostent *__switch_gethostbyname(); + + if (tTd(61, 10)) + sm_dprintf("__switch_gethostbyname(%s)... ", name); + h = __switch_gethostbyname(name); + save_errno = errno; +# endif /* SOLARIS == 20300 || SOLARIS == 203 */ +#else /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) */ + int nmaps; +# if NETINET6 + int flags = AI_DEFAULT|AI_ALL; + int err; +# endif /* NETINET6 */ + char *maptype[MAXMAPSTACK]; + short mapreturn[MAXMAPACTIONS]; + char hbuf[MAXNAME]; + + if (tTd(61, 10)) + sm_dprintf("sm_gethostbyname(%s, %d)... ", name, family); + +# if NETINET6 +# if ADDRCONFIG_IS_BROKEN + flags &= ~AI_ADDRCONFIG; +# endif /* ADDRCONFIG_IS_BROKEN */ + h = getipnodebyname(name, family, flags, &err); + SM_SET_H_ERRNO(err); +# else /* NETINET6 */ + h = gethostbyname(name); +# endif /* NETINET6 */ + + save_errno = errno; + if (h == NULL) + { + if (tTd(61, 10)) + sm_dprintf("failure\n"); + + nmaps = switch_map_find("hosts", maptype, mapreturn); + while (--nmaps >= 0) + { + if (strcmp(maptype[nmaps], "nis") == 0 || + strcmp(maptype[nmaps], "files") == 0) + break; + } + + if (nmaps >= 0) + { + /* try short name */ + if (strlen(name) > sizeof hbuf - 1) + { + errno = save_errno; + return NULL; + } + (void) sm_strlcpy(hbuf, name, sizeof hbuf); + (void) shorten_hostname(hbuf); + + /* if it hasn't been shortened, there's no point */ + if (strcmp(hbuf, name) != 0) + { + if (tTd(61, 10)) + sm_dprintf("sm_gethostbyname(%s, %d)... ", + hbuf, family); + +# if NETINET6 + h = getipnodebyname(hbuf, family, flags, &err); + SM_SET_H_ERRNO(err); + save_errno = errno; +# else /* NETINET6 */ + h = gethostbyname(hbuf); + save_errno = errno; +# endif /* NETINET6 */ + } + } + } +#endif /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) */ + if (tTd(61, 10)) + { + if (h == NULL) + sm_dprintf("failure\n"); + else + { + sm_dprintf("%s\n", h->h_name); + if (tTd(61, 11)) + { +#if NETINET6 + struct in6_addr ia6; + char buf6[INET6_ADDRSTRLEN]; +#else /* NETINET6 */ + struct in_addr ia; +#endif /* NETINET6 */ + size_t i; + + if (h->h_aliases != NULL) + for (i = 0; h->h_aliases[i] != NULL; + i++) + sm_dprintf("\talias: %s\n", + h->h_aliases[i]); + for (i = 0; h->h_addr_list[i] != NULL; i++) + { + char *addr; + +#if NETINET6 + memmove(&ia6, h->h_addr_list[i], + IN6ADDRSZ); + addr = anynet_ntop(&ia6, + buf6, sizeof buf6); +#else /* NETINET6 */ + memmove(&ia, h->h_addr_list[i], + INADDRSZ); + addr = (char *) inet_ntoa(ia); +#endif /* NETINET6 */ + if (addr != NULL) + sm_dprintf("\taddr: %s\n", addr); + } + } + } + } + errno = save_errno; + return h; +} + +struct hostent * +sm_gethostbyaddr(addr, len, type) + char *addr; + int len; + int type; +{ + struct hostent *hp; + +#if NETINET6 + if (type == AF_INET6 && + IN6_IS_ADDR_UNSPECIFIED((struct in6_addr *) addr)) + { + /* Avoid reverse lookup for IPv6 unspecified address */ + SM_SET_H_ERRNO(HOST_NOT_FOUND); + return NULL; + } +#endif /* NETINET6 */ + +#if (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) +# if SOLARIS == 20300 || SOLARIS == 203 + { + static struct hostent he; + static char buf[1000]; + extern struct hostent *_switch_gethostbyaddr_r(); + + hp = _switch_gethostbyaddr_r(addr, len, type, &he, + buf, sizeof(buf), &h_errno); + } +# else /* SOLARIS == 20300 || SOLARIS == 203 */ + { + extern struct hostent *__switch_gethostbyaddr(); + + hp = __switch_gethostbyaddr(addr, len, type); + } +# endif /* SOLARIS == 20300 || SOLARIS == 203 */ +#else /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) */ +# if NETINET6 + { + int err; + + hp = getipnodebyaddr(addr, len, type, &err); + SM_SET_H_ERRNO(err); + } +# else /* NETINET6 */ + hp = gethostbyaddr(addr, len, type); +# endif /* NETINET6 */ +#endif /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) */ + return hp; +} +/* +** SM_GETPW{NAM,UID} -- wrapper for getpwnam and getpwuid +*/ + +struct passwd * +sm_getpwnam(user) + char *user; +{ +#ifdef _AIX4 + extern struct passwd *_getpwnam_shadow(const char *, const int); + + return _getpwnam_shadow(user, 0); +#else /* _AIX4 */ + return getpwnam(user); +#endif /* _AIX4 */ +} + +struct passwd * +sm_getpwuid(uid) + UID_T uid; +{ +#if defined(_AIX4) && 0 + extern struct passwd *_getpwuid_shadow(const int, const int); + + return _getpwuid_shadow(uid,0); +#else /* defined(_AIX4) && 0 */ + return getpwuid(uid); +#endif /* defined(_AIX4) && 0 */ +} +/* +** SECUREWARE_SETUP_SECURE -- Convex SecureWare setup +** +** Set up the trusted computing environment for C2 level security +** under SecureWare. +** +** Parameters: +** uid -- uid of the user to initialize in the TCB +** +** Returns: +** none +** +** Side Effects: +** Initialized the user in the trusted computing base +*/ + +#if SECUREWARE + +# include +# include + +void +secureware_setup_secure(uid) + UID_T uid; +{ + int rc; + + if (getluid() != -1) + return; + + if ((rc = set_secure_info(uid)) != SSI_GOOD_RETURN) + { + switch (rc) + { + case SSI_NO_PRPW_ENTRY: + syserr("No protected passwd entry, uid = %d", + (int) uid); + break; + + case SSI_LOCKED: + syserr("Account has been disabled, uid = %d", + (int) uid); + break; + + case SSI_RETIRED: + syserr("Account has been retired, uid = %d", + (int) uid); + break; + + case SSI_BAD_SET_LUID: + syserr("Could not set LUID, uid = %d", (int) uid); + break; + + case SSI_BAD_SET_PRIVS: + syserr("Could not set kernel privs, uid = %d", + (int) uid); + + default: + syserr("Unknown return code (%d) from set_secure_info(%d)", + rc, (int) uid); + break; + } + finis(false, true, EX_NOPERM); + } +} +#endif /* SECUREWARE */ +/* +** ADD_HOSTNAMES -- Add a hostname to class 'w' based on IP address +** +** Add hostnames to class 'w' based on the IP address read from +** the network interface. +** +** Parameters: +** sa -- a pointer to a SOCKADDR containing the address +** +** Returns: +** 0 if successful, -1 if host lookup fails. +*/ + +static int +add_hostnames(sa) + SOCKADDR *sa; +{ + struct hostent *hp; + char **ha; + char hnb[MAXHOSTNAMELEN]; + + /* lookup name with IP address */ + switch (sa->sa.sa_family) + { +#if NETINET + case AF_INET: + hp = sm_gethostbyaddr((char *) &sa->sin.sin_addr, + sizeof(sa->sin.sin_addr), + sa->sa.sa_family); + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + hp = sm_gethostbyaddr((char *) &sa->sin6.sin6_addr, + sizeof(sa->sin6.sin6_addr), + sa->sa.sa_family); + break; +#endif /* NETINET6 */ + + default: + /* Give warning about unsupported family */ + if (LogLevel > 3) + sm_syslog(LOG_WARNING, NOQID, + "Unsupported address family %d: %.100s", + sa->sa.sa_family, anynet_ntoa(sa)); + return -1; + } + + if (hp == NULL) + { + int save_errno = errno; + + if (LogLevel > 3 && +#if NETINET6 + !(sa->sa.sa_family == AF_INET6 && + IN6_IS_ADDR_LINKLOCAL(&sa->sin6.sin6_addr)) && +#endif /* NETINET6 */ + true) + sm_syslog(LOG_WARNING, NOQID, + "gethostbyaddr(%.100s) failed: %d", + anynet_ntoa(sa), +#if NAMED_BIND + h_errno +#else /* NAMED_BIND */ + -1 +#endif /* NAMED_BIND */ + ); + errno = save_errno; + return -1; + } + + /* save its cname */ + if (!wordinclass((char *) hp->h_name, 'w')) + { + setclass('w', (char *) hp->h_name); + if (tTd(0, 4)) + sm_dprintf("\ta.k.a.: %s\n", hp->h_name); + + if (sm_snprintf(hnb, sizeof hnb, "[%s]", hp->h_name) < sizeof hnb + && !wordinclass((char *) hnb, 'w')) + setclass('w', hnb); + } + else + { + if (tTd(0, 43)) + sm_dprintf("\ta.k.a.: %s (already in $=w)\n", hp->h_name); + } + + /* save all it aliases name */ + for (ha = hp->h_aliases; ha != NULL && *ha != NULL; ha++) + { + if (!wordinclass(*ha, 'w')) + { + setclass('w', *ha); + if (tTd(0, 4)) + sm_dprintf("\ta.k.a.: %s\n", *ha); + if (sm_snprintf(hnb, sizeof hnb, + "[%s]", *ha) < sizeof hnb && + !wordinclass((char *) hnb, 'w')) + setclass('w', hnb); + } + else + { + if (tTd(0, 43)) + sm_dprintf("\ta.k.a.: %s (already in $=w)\n", + *ha); + } + } +#if NETINET6 + freehostent(hp); +#endif /* NETINET6 */ + return 0; +} +/* +** LOAD_IF_NAMES -- load interface-specific names into $=w +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** Loads $=w with the names of all the interfaces. +*/ + +#if !NETINET +# define SIOCGIFCONF_IS_BROKEN 1 /* XXX */ +#endif /* !NETINET */ + +#if defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN +struct rtentry; +struct mbuf; +# ifndef SUNOS403 +# include +# endif /* ! SUNOS403 */ +# if (_AIX4 >= 40300) && !defined(_NET_IF_H) +# undef __P +# endif /* (_AIX4 >= 40300) && !defined(_NET_IF_H) */ +# include +#endif /* defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN */ + +void +load_if_names() +{ +# if NETINET6 && defined(SIOCGLIFCONF) +# ifdef __hpux + + /* + ** Unfortunately, HP has changed all of the structures, + ** making life difficult for implementors. + */ + +# define lifconf if_laddrconf +# define lifc_len iflc_len +# define lifc_buf iflc_buf +# define lifreq if_laddrreq +# define lifr_addr iflr_addr +# define lifr_name iflr_name +# define lifr_flags iflr_flags +# define ss_family sa_family +# undef SIOCGLIFNUM +# endif /* __hpux */ + + int s; + int i; + size_t len; + int numifs; + char *buf; + struct lifconf lifc; +# ifdef SIOCGLIFNUM + struct lifnum lifn; +# endif /* SIOCGLIFNUM */ + + s = socket(InetMode, SOCK_DGRAM, 0); + if (s == -1) + return; + + /* get the list of known IP address from the kernel */ +# ifdef __hpux + i = ioctl(s, SIOCGIFNUM, (char *) &numifs); +# endif /* __hpux */ +# ifdef SIOCGLIFNUM + lifn.lifn_family = AF_UNSPEC; + lifn.lifn_flags = 0; + i = ioctl(s, SIOCGLIFNUM, (char *)&lifn); + numifs = lifn.lifn_count; +# endif /* SIOCGLIFNUM */ + +# if defined(__hpux) || defined(SIOCGLIFNUM) + if (i < 0) + { + /* can't get number of interfaces -- fall back */ + if (tTd(0, 4)) + sm_dprintf("SIOCGLIFNUM failed: %s\n", + sm_errstring(errno)); + numifs = -1; + } + else if (tTd(0, 42)) + sm_dprintf("system has %d interfaces\n", numifs); + if (numifs < 0) +# endif /* defined(__hpux) || defined(SIOCGLIFNUM) */ + numifs = MAXINTERFACES; + + if (numifs <= 0) + { + (void) close(s); + return; + } + + len = lifc.lifc_len = numifs * sizeof (struct lifreq); + buf = lifc.lifc_buf = xalloc(lifc.lifc_len); +# ifndef __hpux + lifc.lifc_family = AF_UNSPEC; + lifc.lifc_flags = 0; +# endif /* ! __hpux */ + if (ioctl(s, SIOCGLIFCONF, (char *)&lifc) < 0) + { + if (tTd(0, 4)) + sm_dprintf("SIOCGLIFCONF failed: %s\n", + sm_errstring(errno)); + (void) close(s); + sm_free(buf); + return; + } + + /* scan the list of IP address */ + if (tTd(0, 40)) + sm_dprintf("scanning for interface specific names, lifc_len=%ld\n", + (long) len); + + for (i = 0; i < len && i >= 0; ) + { + int flags; + struct lifreq *ifr = (struct lifreq *)&buf[i]; + SOCKADDR *sa = (SOCKADDR *) &ifr->lifr_addr; + int af = ifr->lifr_addr.ss_family; + char *addr; + char *name; + struct in6_addr ia6; + struct in_addr ia; +# ifdef SIOCGLIFFLAGS + struct lifreq ifrf; +# endif /* SIOCGLIFFLAGS */ + char ip_addr[256]; + char buf6[INET6_ADDRSTRLEN]; + + /* + ** We must close and recreate the socket each time + ** since we don't know what type of socket it is now + ** (each status function may change it). + */ + + (void) close(s); + + s = socket(af, SOCK_DGRAM, 0); + if (s == -1) + { + sm_free(buf); /* XXX */ + return; + } + + /* + ** If we don't have a complete ifr structure, + ** don't try to use it. + */ + + if ((len - i) < sizeof *ifr) + break; + +# ifdef BSD4_4_SOCKADDR + if (sa->sa.sa_len > sizeof ifr->lifr_addr) + i += sizeof ifr->lifr_name + sa->sa.sa_len; + else +# endif /* BSD4_4_SOCKADDR */ + i += sizeof *ifr; + + if (tTd(0, 20)) + sm_dprintf("%s\n", anynet_ntoa(sa)); + + if (af != AF_INET && af != AF_INET6) + continue; + +# ifdef SIOCGLIFFLAGS + memset(&ifrf, '\0', sizeof(struct lifreq)); + (void) sm_strlcpy(ifrf.lifr_name, ifr->lifr_name, + sizeof(ifrf.lifr_name)); + if (ioctl(s, SIOCGLIFFLAGS, (char *) &ifrf) < 0) + { + if (tTd(0, 4)) + sm_dprintf("SIOCGLIFFLAGS failed: %s\n", + sm_errstring(errno)); + continue; + } + + name = ifr->lifr_name; + flags = ifrf.lifr_flags; + + if (tTd(0, 41)) + sm_dprintf("\tflags: %lx\n", (unsigned long) flags); + + if (!bitset(IFF_UP, flags)) + continue; +# endif /* SIOCGLIFFLAGS */ + + ip_addr[0] = '\0'; + + /* extract IP address from the list*/ + switch (af) + { + case AF_INET6: +# ifdef __KAME__ + /* convert into proper scoped address */ + if ((IN6_IS_ADDR_LINKLOCAL(&sa->sin6.sin6_addr) || + IN6_IS_ADDR_SITELOCAL(&sa->sin6.sin6_addr)) && + sa->sin6.sin6_scope_id == 0) + { + struct in6_addr *ia6p; + + ia6p = &sa->sin6.sin6_addr; + sa->sin6.sin6_scope_id = ntohs(ia6p->s6_addr[3] | + ((unsigned int)ia6p->s6_addr[2] << 8)); + ia6p->s6_addr[2] = ia6p->s6_addr[3] = 0; + } +# endif /* __KAME__ */ + ia6 = sa->sin6.sin6_addr; + if (IN6_IS_ADDR_UNSPECIFIED(&ia6)) + { + addr = anynet_ntop(&ia6, buf6, sizeof buf6); + message("WARNING: interface %s is UP with %s address", + name, addr == NULL ? "(NULL)" : addr); + continue; + } + + /* save IP address in text from */ + addr = anynet_ntop(&ia6, buf6, sizeof buf6); + if (addr != NULL) + (void) sm_snprintf(ip_addr, sizeof ip_addr, + "[%.*s]", + (int) sizeof ip_addr - 3, + addr); + break; + + case AF_INET: + ia = sa->sin.sin_addr; + if (ia.s_addr == INADDR_ANY || + ia.s_addr == INADDR_NONE) + { + message("WARNING: interface %s is UP with %s address", + name, inet_ntoa(ia)); + continue; + } + + /* save IP address in text from */ + (void) sm_snprintf(ip_addr, sizeof ip_addr, "[%.*s]", + (int) sizeof ip_addr - 3, inet_ntoa(ia)); + break; + } + + if (*ip_addr == '\0') + continue; + + if (!wordinclass(ip_addr, 'w')) + { + setclass('w', ip_addr); + if (tTd(0, 4)) + sm_dprintf("\ta.k.a.: %s\n", ip_addr); + } + +# ifdef SIOCGLIFFLAGS + /* skip "loopback" interface "lo" */ + if (DontProbeInterfaces == DPI_SKIPLOOPBACK && + bitset(IFF_LOOPBACK, flags)) + continue; +# endif /* SIOCGLIFFLAGS */ + (void) add_hostnames(sa); + } + sm_free(buf); /* XXX */ + (void) close(s); +# else /* NETINET6 && defined(SIOCGLIFCONF) */ +# if defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN + int s; + int i; + struct ifconf ifc; + int numifs; + + s = socket(AF_INET, SOCK_DGRAM, 0); + if (s == -1) + return; + + /* get the list of known IP address from the kernel */ +# if defined(SIOCGIFNUM) && !SIOCGIFNUM_IS_BROKEN + if (ioctl(s, SIOCGIFNUM, (char *) &numifs) < 0) + { + /* can't get number of interfaces -- fall back */ + if (tTd(0, 4)) + sm_dprintf("SIOCGIFNUM failed: %s\n", + sm_errstring(errno)); + numifs = -1; + } + else if (tTd(0, 42)) + sm_dprintf("system has %d interfaces\n", numifs); + if (numifs < 0) +# endif /* defined(SIOCGIFNUM) && !SIOCGIFNUM_IS_BROKEN */ + numifs = MAXINTERFACES; + + if (numifs <= 0) + { + (void) close(s); + return; + } + ifc.ifc_len = numifs * sizeof (struct ifreq); + ifc.ifc_buf = xalloc(ifc.ifc_len); + if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) + { + if (tTd(0, 4)) + sm_dprintf("SIOCGIFCONF failed: %s\n", + sm_errstring(errno)); + (void) close(s); + return; + } + + /* scan the list of IP address */ + if (tTd(0, 40)) + sm_dprintf("scanning for interface specific names, ifc_len=%d\n", + ifc.ifc_len); + + for (i = 0; i < ifc.ifc_len && i >= 0; ) + { + int af; + struct ifreq *ifr = (struct ifreq *) &ifc.ifc_buf[i]; + SOCKADDR *sa = (SOCKADDR *) &ifr->ifr_addr; +# if NETINET6 + char *addr; + struct in6_addr ia6; +# endif /* NETINET6 */ + struct in_addr ia; +# ifdef SIOCGIFFLAGS + struct ifreq ifrf; +# endif /* SIOCGIFFLAGS */ + char ip_addr[256]; +# if NETINET6 + char buf6[INET6_ADDRSTRLEN]; +# endif /* NETINET6 */ + + /* + ** If we don't have a complete ifr structure, + ** don't try to use it. + */ + + if ((ifc.ifc_len - i) < sizeof *ifr) + break; + +# ifdef BSD4_4_SOCKADDR + if (sa->sa.sa_len > sizeof ifr->ifr_addr) + i += sizeof ifr->ifr_name + sa->sa.sa_len; + else +# endif /* BSD4_4_SOCKADDR */ + i += sizeof *ifr; + + if (tTd(0, 20)) + sm_dprintf("%s\n", anynet_ntoa(sa)); + + af = ifr->ifr_addr.sa_family; + if (af != AF_INET +# if NETINET6 + && af != AF_INET6 +# endif /* NETINET6 */ + ) + continue; + +# ifdef SIOCGIFFLAGS + memset(&ifrf, '\0', sizeof(struct ifreq)); + (void) sm_strlcpy(ifrf.ifr_name, ifr->ifr_name, + sizeof(ifrf.ifr_name)); + (void) ioctl(s, SIOCGIFFLAGS, (char *) &ifrf); + if (tTd(0, 41)) + sm_dprintf("\tflags: %lx\n", + (unsigned long) ifrf.ifr_flags); +# define IFRFREF ifrf +# else /* SIOCGIFFLAGS */ +# define IFRFREF (*ifr) +# endif /* SIOCGIFFLAGS */ + + if (!bitset(IFF_UP, IFRFREF.ifr_flags)) + continue; + + ip_addr[0] = '\0'; + + /* extract IP address from the list*/ + switch (af) + { + case AF_INET: + ia = sa->sin.sin_addr; + if (ia.s_addr == INADDR_ANY || + ia.s_addr == INADDR_NONE) + { + message("WARNING: interface %s is UP with %s address", + ifr->ifr_name, inet_ntoa(ia)); + continue; + } + + /* save IP address in text from */ + (void) sm_snprintf(ip_addr, sizeof ip_addr, "[%.*s]", + (int) sizeof ip_addr - 3, + inet_ntoa(ia)); + break; + +# if NETINET6 + case AF_INET6: +# ifdef __KAME__ + /* convert into proper scoped address */ + if ((IN6_IS_ADDR_LINKLOCAL(&sa->sin6.sin6_addr) || + IN6_IS_ADDR_SITELOCAL(&sa->sin6.sin6_addr)) && + sa->sin6.sin6_scope_id == 0) + { + struct in6_addr *ia6p; + + ia6p = &sa->sin6.sin6_addr; + sa->sin6.sin6_scope_id = ntohs(ia6p->s6_addr[3] | + ((unsigned int)ia6p->s6_addr[2] << 8)); + ia6p->s6_addr[2] = ia6p->s6_addr[3] = 0; + } +# endif /* __KAME__ */ + ia6 = sa->sin6.sin6_addr; + if (IN6_IS_ADDR_UNSPECIFIED(&ia6)) + { + addr = anynet_ntop(&ia6, buf6, sizeof buf6); + message("WARNING: interface %s is UP with %s address", + ifr->ifr_name, + addr == NULL ? "(NULL)" : addr); + continue; + } + + /* save IP address in text from */ + addr = anynet_ntop(&ia6, buf6, sizeof buf6); + if (addr != NULL) + (void) sm_snprintf(ip_addr, sizeof ip_addr, + "[%.*s]", + (int) sizeof ip_addr - 3, + addr); + break; + +# endif /* NETINET6 */ + } + + if (ip_addr[0] == '\0') + continue; + + if (!wordinclass(ip_addr, 'w')) + { + setclass('w', ip_addr); + if (tTd(0, 4)) + sm_dprintf("\ta.k.a.: %s\n", ip_addr); + } + + /* skip "loopback" interface "lo" */ + if (DontProbeInterfaces == DPI_SKIPLOOPBACK && + bitset(IFF_LOOPBACK, IFRFREF.ifr_flags)) + continue; + + (void) add_hostnames(sa); + } + sm_free(ifc.ifc_buf); /* XXX */ + (void) close(s); +# undef IFRFREF +# endif /* defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN */ +# endif /* NETINET6 && defined(SIOCGLIFCONF) */ +} +/* +** ISLOOPBACK -- is socket address in the loopback net? +** +** Parameters: +** sa -- socket address. +** +** Returns: +** true -- is socket address in the loopback net? +** false -- otherwise +** +*/ + +bool +isloopback(sa) + SOCKADDR sa; +{ +#if NETINET6 + if (IN6_IS_ADDR_LOOPBACK(&sa.sin6.sin6_addr)) + return true; +#else /* NETINET6 */ + /* XXX how to correctly extract IN_LOOPBACKNET part? */ + if (((ntohl(sa.sin.sin_addr.s_addr) & IN_CLASSA_NET) + >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET) + return true; +#endif /* NETINET6 */ + return false; +} +/* +** GET_NUM_PROCS_ONLINE -- return the number of processors currently online +** +** Parameters: +** none. +** +** Returns: +** The number of processors online. +*/ + +static int +get_num_procs_online() +{ + int nproc = 0; + +#ifdef USESYSCTL +# if defined(CTL_HW) && defined(HW_NCPU) + size_t sz; + int mib[2]; + + mib[0] = CTL_HW; + mib[1] = HW_NCPU; + sz = (size_t) sizeof nproc; + (void) sysctl(mib, 2, &nproc, &sz, NULL, 0); +# endif /* defined(CTL_HW) && defined(HW_NCPU) */ +#else /* USESYSCTL */ +# ifdef _SC_NPROCESSORS_ONLN + nproc = (int) sysconf(_SC_NPROCESSORS_ONLN); +# else /* _SC_NPROCESSORS_ONLN */ +# ifdef __hpux +# include + struct pst_dynamic psd; + + if (pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) != -1) + nproc = psd.psd_proc_cnt; +# endif /* __hpux */ +# endif /* _SC_NPROCESSORS_ONLN */ +#endif /* USESYSCTL */ + + if (nproc <= 0) + nproc = 1; + return nproc; +} +/* +** SM_CLOSEFROM -- close file descriptors +** +** Parameters: +** lowest -- first fd to close +** highest -- last fd + 1 to close +** +** Returns: +** none +*/ + +void +sm_closefrom(lowest, highest) + int lowest, highest; +{ +#if HASCLOSEFROM + closefrom(lowest); +#else /* HASCLOSEFROM */ + int i; + + for (i = lowest; i < highest; i++) + (void) close(i); +#endif /* HASCLOSEFROM */ +} +#if HASFDWALK +/* +** CLOSEFD_WALK -- walk fd's arranging to close them +** Callback for fdwalk() +** +** Parameters: +** lowest -- first fd to arrange to be closed +** fd -- fd to arrange to be closed +** +** Returns: +** zero +*/ + +static int +closefd_walk(lowest, fd) + void *lowest; + int fd; +{ + if (fd >= *(int *)lowest) + (void) fcntl(fd, F_SETFD, FD_CLOEXEC); + return 0; +} +#endif /* HASFDWALK */ +/* +** SM_CLOSE_ON_EXEC -- arrange for file descriptors to be closed +** +** Parameters: +** lowest -- first fd to arrange to be closed +** highest -- last fd + 1 to arrange to be closed +** +** Returns: +** none +*/ + +void +sm_close_on_exec(highest, lowest) + int highest, lowest; +{ +#if HASFDWALK + (void) fdwalk(closefd_walk, &lowest); +#else /* HASFDWALK */ + int i, j; + + for (i = lowest; i < highest; i++) + { + if ((j = fcntl(i, F_GETFD, 0)) != -1) + (void) fcntl(i, F_SETFD, j | FD_CLOEXEC); + } +#endif /* HASFDWALK */ +} +/* +** SEED_RANDOM -- seed the random number generator +** +** Parameters: +** none +** +** Returns: +** none +*/ + +void +seed_random() +{ +#if HASSRANDOMDEV + srandomdev(); +#else /* HASSRANDOMDEV */ + long seed; + struct timeval t; + + seed = (long) CurrentPid; + if (gettimeofday(&t, NULL) >= 0) + seed += t.tv_sec + t.tv_usec; + +# if HASRANDOM + (void) srandom(seed); +# else /* HASRANDOM */ + (void) srand((unsigned int) seed); +# endif /* HASRANDOM */ +#endif /* HASSRANDOMDEV */ +} +/* +** SM_SYSLOG -- syslog wrapper to keep messages under SYSLOG_BUFSIZE +** +** Parameters: +** level -- syslog level +** id -- envelope ID or NULL (NOQUEUE) +** fmt -- format string +** arg... -- arguments as implied by fmt. +** +** Returns: +** none +*/ + +/* VARARGS3 */ +void +#ifdef __STDC__ +sm_syslog(int level, const char *id, const char *fmt, ...) +#else /* __STDC__ */ +sm_syslog(level, id, fmt, va_alist) + int level; + const char *id; + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + static char *buf = NULL; + static size_t bufsize; + char *begin, *end; + int save_errno; + int seq = 1; + int idlen; + char buf0[MAXLINE]; + char *newstring; + extern int SyslogPrefixLen; + SM_VA_LOCAL_DECL + + save_errno = errno; + if (id == NULL) + { + id = "NOQUEUE"; + idlen = strlen(id) + SyslogPrefixLen; + } + else if (strcmp(id, NOQID) == 0) + { + id = ""; + idlen = SyslogPrefixLen; + } + else + idlen = strlen(id) + SyslogPrefixLen; + + if (buf == NULL) + { + buf = buf0; + bufsize = sizeof buf0; + } + + for (;;) + { + int n; + + /* print log message into buf */ + SM_VA_START(ap, fmt); + n = sm_vsnprintf(buf, bufsize, fmt, ap); + SM_VA_END(ap); + SM_ASSERT(n > 0); + if (n < bufsize) + break; + + /* String too small, redo with correct size */ + bufsize = n + 1; + if (buf != buf0) + { + sm_free(buf); + buf = NULL; + } + buf = sm_malloc_x(bufsize); + } + + /* clean up buf after it has been expanded with args */ + newstring = str2prt(buf); + if ((strlen(newstring) + idlen + 1) < SYSLOG_BUFSIZE) + { +#if LOG + if (*id == '\0') + syslog(level, "%s", newstring); + else + syslog(level, "%s: %s", id, newstring); +#else /* LOG */ + /*XXX should do something more sensible */ + if (*id == '\0') + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n", + newstring); + else + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: %s\n", id, newstring); +#endif /* LOG */ + if (buf == buf0) + buf = NULL; + errno = save_errno; + return; + } + +/* +** additional length for splitting: " ..." + 3, where 3 is magic to +** have some data for the next entry. +*/ + +#define SL_SPLIT 7 + + begin = newstring; + idlen += 5; /* strlen("[999]"), see below */ + while (*begin != '\0' && + (strlen(begin) + idlen) > SYSLOG_BUFSIZE) + { + char save; + + if (seq >= 999) + { + /* Too many messages */ + break; + } + end = begin + SYSLOG_BUFSIZE - idlen - SL_SPLIT; + while (end > begin) + { + /* Break on comma or space */ + if (*end == ',' || *end == ' ') + { + end++; /* Include separator */ + break; + } + end--; + } + /* No separator, break midstring... */ + if (end == begin) + end = begin + SYSLOG_BUFSIZE - idlen - SL_SPLIT; + save = *end; + *end = 0; +#if LOG + syslog(level, "%s[%d]: %s ...", id, seq++, begin); +#else /* LOG */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s[%d]: %s ...\n", id, seq++, begin); +#endif /* LOG */ + *end = save; + begin = end; + } + if (seq >= 999) +#if LOG + syslog(level, "%s[%d]: log terminated, too many parts", + id, seq); +#else /* LOG */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s[%d]: log terminated, too many parts\n", id, seq); +#endif /* LOG */ + else if (*begin != '\0') +#if LOG + syslog(level, "%s[%d]: %s", id, seq, begin); +#else /* LOG */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s[%d]: %s\n", id, seq, begin); +#endif /* LOG */ + if (buf == buf0) + buf = NULL; + errno = save_errno; +} +/* +** HARD_SYSLOG -- call syslog repeatedly until it works +** +** Needed on HP-UX, which apparently doesn't guarantee that +** syslog succeeds during interrupt handlers. +*/ + +#if defined(__hpux) && !defined(HPUX11) + +# define MAXSYSLOGTRIES 100 +# undef syslog +# ifdef V4FS +# define XCNST const +# define CAST (const char *) +# else /* V4FS */ +# define XCNST +# define CAST +# endif /* V4FS */ + +void +# ifdef __STDC__ +hard_syslog(int pri, XCNST char *msg, ...) +# else /* __STDC__ */ +hard_syslog(pri, msg, va_alist) + int pri; + XCNST char *msg; + va_dcl +# endif /* __STDC__ */ +{ + int i; + char buf[SYSLOG_BUFSIZE]; + SM_VA_LOCAL_DECL + + SM_VA_START(ap, msg); + (void) sm_vsnprintf(buf, sizeof buf, msg, ap); + SM_VA_END(ap); + + for (i = MAXSYSLOGTRIES; --i >= 0 && syslog(pri, CAST "%s", buf) < 0; ) + continue; +} + +# undef CAST +#endif /* defined(__hpux) && !defined(HPUX11) */ +#if NEEDLOCAL_HOSTNAME_LENGTH +/* +** LOCAL_HOSTNAME_LENGTH +** +** This is required to get sendmail to compile against BIND 4.9.x +** on Ultrix. +** +** Unfortunately, a Compaq Y2K patch kit provides it without +** bumping __RES in /usr/include/resolv.h so we can't automatically +** figure out whether it is needed. +*/ + +int +local_hostname_length(hostname) + char *hostname; +{ + size_t len_host, len_domain; + + if (!*_res.defdname) + res_init(); + len_host = strlen(hostname); + len_domain = strlen(_res.defdname); + if (len_host > len_domain && + (sm_strcasecmp(hostname + len_host - len_domain, + _res.defdname) == 0) && + hostname[len_host - len_domain - 1] == '.') + return len_host - len_domain - 1; + else + return 0; +} +#endif /* NEEDLOCAL_HOSTNAME_LENGTH */ + +#if NEEDLINK +/* +** LINK -- clone a file +** +** Some OS's lacks link() and hard links. Since sendmail is using +** link() as an efficient way to clone files, this implementation +** will simply do a file copy. +** +** NOTE: This link() replacement is not a generic replacement as it +** does not handle all of the semantics of the real link(2). +** +** Parameters: +** source -- pathname of existing file. +** target -- pathname of link (clone) to be created. +** +** Returns: +** 0 -- success. +** -1 -- failure, see errno for details. +*/ + +int +link(source, target) + const char *source; + const char *target; +{ + int save_errno; + int sff; + int src = -1, dst = -1; + ssize_t readlen; + ssize_t writelen; + char buf[BUFSIZ]; + struct stat st; + + sff = SFF_REGONLY|SFF_OPENASROOT; + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + + /* Open the original file */ + src = safeopen((char *)source, O_RDONLY, 0, sff); + if (src < 0) + goto fail; + + /* Obtain the size and the mode */ + if (fstat(src, &st) < 0) + goto fail; + + /* Create the duplicate copy */ + sff &= ~SFF_NOLOCK; + sff |= SFF_CREAT; + dst = safeopen((char *)target, O_CREAT|O_EXCL|O_WRONLY, + st.st_mode, sff); + if (dst < 0) + goto fail; + + /* Copy all of the bytes one buffer at a time */ + while ((readlen = read(src, &buf, sizeof(buf))) > 0) + { + ssize_t left = readlen; + char *p = buf; + + while (left > 0 && + (writelen = write(dst, p, (size_t) left)) >= 0) + { + left -= writelen; + p += writelen; + } + if (writelen < 0) + break; + } + + /* Any trouble reading? */ + if (readlen < 0 || writelen < 0) + goto fail; + + /* Close the input file */ + if (close(src) < 0) + { + src = -1; + goto fail; + } + src = -1; + + /* Close the output file */ + if (close(dst) < 0) + { + /* don't set dst = -1 here so we unlink the file */ + goto fail; + } + + /* Success */ + return 0; + + fail: + save_errno = errno; + if (src >= 0) + (void) close(src); + if (dst >= 0) + { + (void) unlink(target); + (void) close(dst); + } + errno = save_errno; + return -1; +} +#endif /* NEEDLINK */ + +/* +** Compile-Time options +*/ + +char *CompileOptions[] = +{ +#if ALLOW_255 + "ALLOW_255", +#endif /* ALLOW_255 */ +#if NAMED_BIND +# if DNSMAP + "DNSMAP", +# endif /* DNSMAP */ +#endif /* NAMED_BIND */ +#if EGD + "EGD", +#endif /* EGD */ +#if HESIOD + "HESIOD", +#endif /* HESIOD */ +#if HES_GETMAILHOST + "HES_GETMAILHOST", +#endif /* HES_GETMAILHOST */ +#if LDAPMAP + "LDAPMAP", +#endif /* LDAPMAP */ +#if LOG + "LOG", +#endif /* LOG */ +#if MAP_NSD + "MAP_NSD", +#endif /* MAP_NSD */ +#if MAP_REGEX + "MAP_REGEX", +#endif /* MAP_REGEX */ +#if MATCHGECOS + "MATCHGECOS", +#endif /* MATCHGECOS */ +#if MILTER + "MILTER", +#endif /* MILTER */ +#if MIME7TO8 + "MIME7TO8", +#endif /* MIME7TO8 */ +#if MIME7TO8_OLD + "MIME7TO8_OLD", +#endif /* MIME7TO8_OLD */ +#if MIME8TO7 + "MIME8TO7", +#endif /* MIME8TO7 */ +#if NAMED_BIND + "NAMED_BIND", +#endif /* NAMED_BIND */ +#if NDBM + "NDBM", +#endif /* NDBM */ +#if NETINET + "NETINET", +#endif /* NETINET */ +#if NETINET6 + "NETINET6", +#endif /* NETINET6 */ +#if NETINFO + "NETINFO", +#endif /* NETINFO */ +#if NETISO + "NETISO", +#endif /* NETISO */ +#if NETNS + "NETNS", +#endif /* NETNS */ +#if NETUNIX + "NETUNIX", +#endif /* NETUNIX */ +#if NETX25 + "NETX25", +#endif /* NETX25 */ +#if NEWDB + "NEWDB", +#endif /* NEWDB */ +#if NIS + "NIS", +#endif /* NIS */ +#if NISPLUS + "NISPLUS", +#endif /* NISPLUS */ +#if NO_DH + "NO_DH", +#endif /* NO_DH */ +#if PH_MAP + "PH_MAP", +#endif /* PH_MAP */ +#ifdef PICKY_HELO_CHECK + "PICKY_HELO_CHECK", +#endif /* PICKY_HELO_CHECK */ +#if PIPELINING + "PIPELINING", +#endif /* PIPELINING */ +#if SASL +# if SASL >= 20000 + "SASLv2", +# else /* SASL >= 20000 */ + "SASL", +# endif /* SASL >= 20000 */ +#endif /* SASL */ +#if SCANF + "SCANF", +#endif /* SCANF */ +#if SMTPDEBUG + "SMTPDEBUG", +#endif /* SMTPDEBUG */ +#if SOCKETMAP + "SOCKETMAP", +#endif /* SOCKETMAP */ +#if STARTTLS + "STARTTLS", +#endif /* STARTTLS */ +#if SUID_ROOT_FILES_OK + "SUID_ROOT_FILES_OK", +#endif /* SUID_ROOT_FILES_OK */ +#if TCPWRAPPERS + "TCPWRAPPERS", +#endif /* TCPWRAPPERS */ +#if TLS_NO_RSA + "TLS_NO_RSA", +#endif /* TLS_NO_RSA */ +#if TLS_VRFY_PER_CTX + "TLS_VRFY_PER_CTX", +#endif /* TLS_VRFY_PER_CTX */ +#if USERDB + "USERDB", +#endif /* USERDB */ +#if USE_LDAP_INIT + "USE_LDAP_INIT", +#endif /* USE_LDAP_INIT */ +#if USE_TTYPATH + "USE_TTYPATH", +#endif /* USE_TTYPATH */ +#if XDEBUG + "XDEBUG", +#endif /* XDEBUG */ +#if XLA + "XLA", +#endif /* XLA */ + NULL +}; + + +/* +** OS compile options. +*/ + +char *OsCompileOptions[] = +{ +#if ADDRCONFIG_IS_BROKEN + "ADDRCONFIG_IS_BROKEN", +#endif /* ADDRCONFIG_IS_BROKEN */ +#ifdef AUTO_NETINFO_HOSTS + "AUTO_NETINFO_HOSTS", +#endif /* AUTO_NETINFO_HOSTS */ +#ifdef AUTO_NIS_ALIASES + "AUTO_NIS_ALIASES", +#endif /* AUTO_NIS_ALIASES */ +#if BROKEN_RES_SEARCH + "BROKEN_RES_SEARCH", +#endif /* BROKEN_RES_SEARCH */ +#ifdef BSD4_4_SOCKADDR + "BSD4_4_SOCKADDR", +#endif /* BSD4_4_SOCKADDR */ +#if BOGUS_O_EXCL + "BOGUS_O_EXCL", +#endif /* BOGUS_O_EXCL */ +#if DEC_OSF_BROKEN_GETPWENT + "DEC_OSF_BROKEN_GETPWENT", +#endif /* DEC_OSF_BROKEN_GETPWENT */ +#if FAST_PID_RECYCLE + "FAST_PID_RECYCLE", +#endif /* FAST_PID_RECYCLE */ +#if HASCLOSEFROM + "HASCLOSEFROM", +#endif /* HASCLOSEFROM */ +#if HASFCHOWN + "HASFCHOWN", +#endif /* HASFCHOWN */ +#if HASFCHMOD + "HASFCHMOD", +#endif /* HASFCHMOD */ +#if HASFDWALK + "HASFDWALK", +#endif /* HASFDWALK */ +#if HASFLOCK + "HASFLOCK", +#endif /* HASFLOCK */ +#if HASGETDTABLESIZE + "HASGETDTABLESIZE", +#endif /* HASGETDTABLESIZE */ +#if HASGETUSERSHELL + "HASGETUSERSHELL", +#endif /* HASGETUSERSHELL */ +#if HASINITGROUPS + "HASINITGROUPS", +#endif /* HASINITGROUPS */ +#if HASLSTAT + "HASLSTAT", +#endif /* HASLSTAT */ +#if HASNICE + "HASNICE", +#endif /* HASNICE */ +#if HASRANDOM + "HASRANDOM", +#endif /* HASRANDOM */ +#if HASRRESVPORT + "HASRRESVPORT", +#endif /* HASRRESVPORT */ +#if HASSETEGID + "HASSETEGID", +#endif /* HASSETEGID */ +#if HASSETLOGIN + "HASSETLOGIN", +#endif /* HASSETLOGIN */ +#if HASSETREGID + "HASSETREGID", +#endif /* HASSETREGID */ +#if HASSETRESGID + "HASSETRESGID", +#endif /* HASSETRESGID */ +#if HASSETREUID + "HASSETREUID", +#endif /* HASSETREUID */ +#if HASSETRLIMIT + "HASSETRLIMIT", +#endif /* HASSETRLIMIT */ +#if HASSETSID + "HASSETSID", +#endif /* HASSETSID */ +#if HASSETUSERCONTEXT + "HASSETUSERCONTEXT", +#endif /* HASSETUSERCONTEXT */ +#if HASSETVBUF + "HASSETVBUF", +#endif /* HASSETVBUF */ +#if HAS_ST_GEN + "HAS_ST_GEN", +#endif /* HAS_ST_GEN */ +#if HASSRANDOMDEV + "HASSRANDOMDEV", +#endif /* HASSRANDOMDEV */ +#if HASURANDOMDEV + "HASURANDOMDEV", +#endif /* HASURANDOMDEV */ +#if HASSTRERROR + "HASSTRERROR", +#endif /* HASSTRERROR */ +#if HASULIMIT + "HASULIMIT", +#endif /* HASULIMIT */ +#if HASUNAME + "HASUNAME", +#endif /* HASUNAME */ +#if HASUNSETENV + "HASUNSETENV", +#endif /* HASUNSETENV */ +#if HASWAITPID + "HASWAITPID", +#endif /* HASWAITPID */ +#if IDENTPROTO + "IDENTPROTO", +#endif /* IDENTPROTO */ +#if IP_SRCROUTE + "IP_SRCROUTE", +#endif /* IP_SRCROUTE */ +#if O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL + "LOCK_ON_OPEN", +#endif /* O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL */ +#if NEEDFSYNC + "NEEDFSYNC", +#endif /* NEEDFSYNC */ +#if NEEDLINK + "NEEDLINK", +#endif /* NEEDLINK */ +#if NEEDLOCAL_HOSTNAME_LENGTH + "NEEDLOCAL_HOSTNAME_LENGTH", +#endif /* NEEDLOCAL_HOSTNAME_LENGTH */ +#if NEEDSGETIPNODE + "NEEDSGETIPNODE", +#endif /* NEEDSGETIPNODE */ +#if NEEDSTRSTR + "NEEDSTRSTR", +#endif /* NEEDSTRSTR */ +#if NEEDSTRTOL + "NEEDSTRTOL", +#endif /* NEEDSTRTOL */ +#ifdef NO_GETSERVBYNAME + "NO_GETSERVBYNAME", +#endif /* NO_GETSERVBYNAME */ +#if NOFTRUNCATE + "NOFTRUNCATE", +#endif /* NOFTRUNCATE */ +#if REQUIRES_DIR_FSYNC + "REQUIRES_DIR_FSYNC", +#endif /* REQUIRES_DIR_FSYNC */ +#if RLIMIT_NEEDS_SYS_TIME_H + "RLIMIT_NEEDS_SYS_TIME_H", +#endif /* RLIMIT_NEEDS_SYS_TIME_H */ +#if SAFENFSPATHCONF + "SAFENFSPATHCONF", +#endif /* SAFENFSPATHCONF */ +#if SECUREWARE + "SECUREWARE", +#endif /* SECUREWARE */ +#if SHARE_V1 + "SHARE_V1", +#endif /* SHARE_V1 */ +#if SIOCGIFCONF_IS_BROKEN + "SIOCGIFCONF_IS_BROKEN", +#endif /* SIOCGIFCONF_IS_BROKEN */ +#if SIOCGIFNUM_IS_BROKEN + "SIOCGIFNUM_IS_BROKEN", +#endif /* SIOCGIFNUM_IS_BROKEN */ +#if SNPRINTF_IS_BROKEN + "SNPRINTF_IS_BROKEN", +#endif /* SNPRINTF_IS_BROKEN */ +#if SO_REUSEADDR_IS_BROKEN + "SO_REUSEADDR_IS_BROKEN", +#endif /* SO_REUSEADDR_IS_BROKEN */ +#if SYS5SETPGRP + "SYS5SETPGRP", +#endif /* SYS5SETPGRP */ +#if SYSTEM5 + "SYSTEM5", +#endif /* SYSTEM5 */ +#if USE_DOUBLE_FORK + "USE_DOUBLE_FORK", +#endif /* USE_DOUBLE_FORK */ +#if USE_ENVIRON + "USE_ENVIRON", +#endif /* USE_ENVIRON */ +#if USE_SA_SIGACTION + "USE_SA_SIGACTION", +#endif /* USE_SA_SIGACTION */ +#if USE_SIGLONGJMP + "USE_SIGLONGJMP", +#endif /* USE_SIGLONGJMP */ +#if USEGETCONFATTR + "USEGETCONFATTR", +#endif /* USEGETCONFATTR */ +#if USESETEUID + "USESETEUID", +#endif /* USESETEUID */ +#ifdef USESYSCTL + "USESYSCTL", +#endif /* USESYSCTL */ +#if USING_NETSCAPE_LDAP + "USING_NETSCAPE_LDAP", +#endif /* USING_NETSCAPE_LDAP */ +#ifdef WAITUNION + "WAITUNION", +#endif /* WAITUNION */ + NULL +}; + +/* +** FFR compile options. +*/ + +char *FFRCompileOptions[] = +{ +#if _FFR_ALLOW_SASLINFO + /* DefaultAuthInfo can be specified by user. */ + /* DefaultAuthInfo doesn't really work in 8.13 anymore. */ + "_FFR_ALLOW_SASLINFO", +#endif /* _FFR_ALLOW_SASLINFO */ +#if _FFR_BESTMX_BETTER_TRUNCATION + /* Better truncation of list of MX records for dns map. */ + "_FFR_BESTMX_BETTER_TRUNCATION", +#endif /* _FFR_BESTMX_BETTER_TRUNCATION */ +#if _FFR_BLOCK_PROXIES + /* + ** Try to deal with open HTTP proxies that are used to send spam + ** by recognizing some commands from them. + */ + + "_FFR_BLOCK_PROXIES", +#endif /* _FFR_BLOCK_PROXIES */ +#if _FFR_CATCH_BROKEN_MTAS + /* Deal with MTAs that send a reply during the DATA phase. */ + "_FFR_CATCH_BROKEN_MTAS", +#endif /* _FFR_CATCH_BROKEN_MTAS */ +#if _FFR_CHECK_EOM + /* Enable check_eom ruleset */ + "_FFR_CHECK_EOM", +#endif /* _FFR_CHECK_EOM */ +#if _FFR_CHK_QUEUE + /* Stricter checks about queue directory permissions. */ + "_FFR_CHK_QUEUE", +#endif /* _FFR_CHK_QUEUE */ +#if _FFR_CLIENT_SIZE + /* Don't try to send mail if its size exceeds SIZE= of server. */ + "_FFR_CLIENT_SIZE", +#endif /* _FFR_CLIENT_SIZE */ +#if _FFR_CONTROL_MSTAT + /* Extended daemon status. */ + "_FFR_CONTROL_MSTAT", +#endif /* _FFR_CONTROL_MSTAT */ +#if _FFR_CRLPATH + /* CRLPath; needs documentation; Al Smith */ + "_FFR_CRLPATH", +#endif /* _FFR_CRLPATH */ +#if _FFR_DAEMON_NETUNIX + /* Allow local (not just TCP) socket connection to server. */ + "_FFR_DAEMON_NETUNIX", +#endif /* _FFR_DAEMON_NETUNIX */ +#if _FFR_DEPRECATE_MAILER_FLAG_I + /* What it says :-) */ + "_FFR_DEPRECATE_MAILER_FLAG_I", +#endif /* _FFR_DEPRECATE_MAILER_FLAG_I */ +#if _FFR_DIGUNIX_SAFECHOWN + /* Properly set SAFECHOWN (include/sm/conf.h) for Digital UNIX */ +/* Problem noted by Anne Bennett of Concordia University */ + "_FFR_DIGUNIX_SAFECHOWN", +#endif /* _FFR_DIGUNIX_SAFECHOWN */ +#if _FFR_DM_PER_DAEMON + /* DeliveryMode per DaemonPortOptions: 'D' */ + "_FFR_DM_PER_DAEMON", +#endif /* _FFR_DM_PER_DAEMON */ +#if _FFR_DNSMAP_ALIASABLE + /* Allow dns map type to be used for aliases. */ +/* Don Lewis of TDK */ + "_FFR_DNSMAP_ALIASABLE", +#endif /* _FFR_DNSMAP_ALIASABLE */ +#if _FFR_DNSMAP_BASE + /* Specify a "base" domain for DNS lookups. */ + "_FFR_DNSMAP_BASE", +#endif /* _FFR_DNSMAP_BASE */ +#if _FFR_DNSMAP_MULTI + /* Allow multiple return values for DNS map. */ + "_FFR_DNSMAP_MULTI", +# if _FFR_DNSMAP_MULTILIMIT + /* Limit number of return values for DNS map. */ + "_FFR_DNSMAP_MULTILIMIT", +# endif /* _FFR_DNSMAP_MULTILIMIT */ +#endif /* _FFR_DNSMAP_MULTI */ +#if _FFR_DONTLOCKFILESFORREAD_OPTION + /* Enable DontLockFilesForRead option. */ + "_FFR_DONTLOCKFILESFORREAD_OPTION", +#endif /* _FFR_DONTLOCKFILESFORREAD_OPTION */ +#if _FFR_DOTTED_USERNAMES + /* Allow usernames with '.' */ + "_FFR_DOTTED_USERNAMES", +#endif /* _FFR_DOTTED_USERNAMES */ +#if _FFR_DROP_TRUSTUSER_WARNING + /* + ** Don't issue this warning: + ** "readcf: option TrustedUser may cause problems on systems + ** which do not support fchown() if UseMSP is not set. + */ + + "_FFR_DROP_TRUSTUSER_WARNING", +#endif /* _FFR_DROP_TRUSTUSER_WARNING */ +#if _FFR_EXTRA_MAP_CHECK + /* perform extra checks on $( $) in R lines */ + "_FFR_EXTRA_MAP_CHECK", +#endif /* _FFR_EXTRA_MAP_CHECK */ +#if _FFR_FIX_DASHT + /* + ** If using -t, force not sending to argv recipients, even + ** if they are mentioned in the headers. + */ + + "_FFR_FIX_DASHT", +#endif /* _FFR_FIX_DASHT */ +#if _FFR_FORWARD_SYSERR + /* Cause a "syserr" if forward file isn't "safe". */ + "_FFR_FORWARD_SYSERR", +#endif /* _FFR_FORWARD_SYSERR */ +#if _FFR_GEN_ORCPT + /* Generate a ORCPT DSN arg if not already provided */ + "_FFR_GEN_ORCPT", +#endif /* _FFR_GEN_ORCPT */ +#if _FFR_GROUPREADABLEAUTHINFOFILE + /* Allow group readable DefaultAuthInfo file. */ + "_FFR_GROUPREADABLEAUTHINFOFILE", +#endif /* _FFR_GROUPREADABLEAUTHINFOFILE */ +#if _FFR_HANDLE_ISO8859_GECOS + /* + ** Allow ISO 8859 characters in GECOS field: replace them + ** ith ASCII "equivalent". + */ + +/* Peter Eriksson of Linkopings universitet */ + "_FFR_HANDLE_ISO8859_GECOS", +#endif /* _FFR_HANDLE_ISO8859_GECOS */ +#if _FFR_HDR_TYPE + /* Set 'h' in {addr_type} for headers. */ + "_FFR_HDR_TYPE", +#endif /* _FFR_HDR_TYPE */ +#if _FFR_HELONAME + /* option to set heloname; Nik Clayton of FreeBSD */ + "_FFR_HELONAME", +#endif /* _FFR_HELONAME */ +#if _FFR_HPUX_NSSWITCH + /* Use nsswitch on HP-UX */ + "_FFR_HPUX_NSSWITCH", +#endif /* _FFR_HPUX_NSSWITCH */ +#if _FFR_IGNORE_BOGUS_ADDR + /* Ignore addresses for which prescan() failed */ + "_FFR_IGNORE_BOGUS_ADDR", +#endif /* _FFR_IGNORE_BOGUS_ADDR */ +#if _FFR_IGNORE_EXT_ON_HELO + /* Ignore extensions offered in response to HELO */ + "_FFR_IGNORE_EXT_ON_HELO", +#endif /* _FFR_IGNORE_EXT_ON_HELO */ +#if _FFR_MAXDATASIZE + /* + ** It is possible that a header is larger than MILTER_CHUNK_SIZE, + ** hence this shouldn't be used as limit for milter communication. + ** see also libmilter/comm.c + ** Gurusamy Sarathy of ActiveState + */ + + "_FFR_MAXDATASIZE", +#endif /* _FFR_MAXDATASIZE */ +#if _FFR_MAX_FORWARD_ENTRIES + /* Try to limit number of .forward entries */ + /* (doesn't work) */ +/* Randall S. Winchester of the University of Maryland */ + "_FFR_MAX_FORWARD_ENTRIES", +#endif /* _FFR_MAX_FORWARD_ENTRIES */ +#if _FFR_MAX_SLEEP_TIME + /* Limit sleep(2) time in libsm/clock.c */ + "_FFR_MAX_SLEEP_TIME", +#endif /* _FFR_MAX_SLEEP_TIME */ +#if _FFR_MILTER_NAGLE + /* milter: turn off Nagle ("cork" on Linux) */ + /* John Gardiner Myers of Proofpoint */ + "_FFR_MILTER_NAGLE ", +#endif /* _FFR_MILTER_NAGLE */ +#if _FFR_MILTER_NOHDR_RESP + /* milter: no response expected when sending headers */ + /* John Gardiner Myers of Proofpoint */ + "_FFR_MILTER_NOHDR_RESP", +#endif /* _FFR_MILTER_NOHDR_RESP */ +#if _FFR_MIME7TO8_OLD + /* Old mime7to8 code, the new is broken for at least one example. */ + "_FFR_MIME7TO8_OLD", +#endif /* _FFR_MAX_SLEEP_TIME */ +#if _FFR_NODELAYDSN_ON_HOLD + /* Do not issue a DELAY DSN for mailers that use the hold flag. */ +/* Steven Pitzl */ + "_FFR_NODELAYDSN_ON_HOLD", +#endif /* _FFR_NODELAYDSN_ON_HOLD */ +#if _FFR_NO_PIPE + /* Disable PIPELINING, delay client if used. */ + "_FFR_NO_PIPE", +#endif /* _FFR_NO_PIPE */ +#if _FFR_LOG_NTRIES + /* log ntries=, from Nik Clayton of FreeBSD */ + "_FFR_LOG_NTRIES", +#endif /* _FFR_LOG_NTRIES */ +#if _FFR_PRIV_NOACTUALRECIPIENT + /* + ** PrivacyOptions=noactualrecipient stops sendmail from putting + ** X-Actual-Recipient lines in DSNs revealing the actual + ** account that addresses map to. Patch from Dan Harkless. + */ + + "_FFR_PRIV_NOACTUALRECIPIENT", +#endif /* _FFR_PRIV_NOACTUALRECIPIENT */ +#if _FFR_QUEUEDELAY + /* Exponential queue delay; disabled in 8.13 since it isn't used. */ + "_FFR_QUEUEDELAY", +#endif /* _FFR_QUEUEDELAY */ +#if _FFR_QUEUE_GROUP_SORTORDER + /* Allow QueueSortOrder per queue group. */ +/* XXX: Still need to actually use qgrp->qg_sortorder */ + "_FFR_QUEUE_GROUP_SORTORDER", +#endif /* _FFR_QUEUE_GROUP_SORTORDER */ +#if _FFR_QUEUE_MACRO + /* Define {queue} macro. */ + "_FFR_QUEUE_MACRO", +#endif /* _FFR_QUEUE_MACRO */ +#if _FFR_QUEUE_RUN_PARANOIA + /* Additional checks when doing queue runs. */ + "_FFR_QUEUE_RUN_PARANOIA", +#endif /* _FFR_QUEUE_RUN_PARANOIA */ +#if _FFR_QUEUE_SCHED_DBG + /* Debug output for the queue scheduler. */ + "_FFR_QUEUE_SCHED_DBG", +#endif /* _FFR_QUEUE_SCHED_DBG */ +#if _FFR_REDIRECTEMPTY + /* + ** envelope <> can't be sent to mailing lists, only owner- + ** send spam of this type to owner- of the list + ** ---- to stop spam from going to mailing lists. + */ + + "_FFR_REDIRECTEMPTY", +#endif /* _FFR_REDIRECTEMPTY */ +#if _FFR_RESET_MACRO_GLOBALS + /* Allow macro 'j' to be set dynamically via rulesets. */ + "_FFR_RESET_MACRO_GLOBALS", +#endif /* _FFR_RESET_MACRO_GLOBALS */ +#if _FFR_RHS + /* Random shuffle for queue sorting. */ + "_FFR_RHS", +#endif /* _FFR_RHS */ +#if _FFR_SELECT_SHM + /* Auto-select of shared memory key */ + "_FFR_SELECT_SHM", +#endif /* _FFR_SELECT_SHM */ +#if _FFR_SHM_STATUS + /* Donated code (unused). */ + "_FFR_SHM_STATUS", +#endif /* _FFR_SHM_STATUS */ +#if _FFR_SKIP_DOMAINS + /* process every N'th domain instead of every N'th message */ + "_FFR_SKIP_DOMAINS", +#endif /* _FFR_SKIP_DOMAINS */ +#if _FFR_SLEEP_USE_SELECT + /* Use select(2) in libsm/clock.c to emulate sleep(2) */ + "_FFR_SLEEP_USE_SELECT ", +#endif /* _FFR_SLEEP_USE_SELECT */ +#if _FFR_SOFT_BOUNCE + /* Turn all errors into temporary errors. */ + "_FFR_SOFT_BOUNCE", +#endif /* _FFR_SOFT_BOUNCE */ +#if _FFR_SPT_ALIGN + /* + ** It looks like the Compaq Tru64 5.1A now aligns argv and envp to 64 + ** bit alignment, so unless each piece of argv and envp is a multiple + ** of 8 bytes (including terminating NULL), initsetproctitle() won't + ** use any of the space beyond argv[0]. Be sure to set SPT_ALIGN_SIZE + ** if you use this FFR. + */ + +/* Chris Adams of HiWAAY Informations Services */ + "_FFR_SPT_ALIGN", +#endif /* _FFR_SPT_ALIGN */ +#if _FFR_SS_PER_DAEMON + /* SuperSafe per DaemonPortOptions: 'T' (better letter?) */ + "_FFR_SS_PER_DAEMON", +#endif /* _FFR_SS_PER_DAEMON */ +#if _FFR_TIMERS + /* Donated code (unused). */ + "_FFR_TIMERS", +#endif /* _FFR_TIMERS */ +#if _FFR_TLS_1 + /* More STARTTLS options, e.g., secondary certs. */ + "_FFR_TLS_1", +#endif /* _FFR_TLS_1 */ +#if _FFR_TRUSTED_QF + /* + ** If we don't own the file mark it as unsafe. + ** However, allow TrustedUser to own it as well + ** in case TrustedUser manipulates the queue. + */ + + "_FFR_TRUSTED_QF", +#endif /* _FFR_TRUSTED_QF */ +#if _FFR_USE_SEM_LOCKING + "_FFR_USE_SEM_LOCKING", +#endif /* _FFR_USE_SEM_LOCKING */ +#if _FFR_USE_SETLOGIN + /* Use setlogin() */ +/* Peter Philipp */ + "_FFR_USE_SETLOGIN", +#endif /* _FFR_USE_SETLOGIN */ + NULL +}; + diff --git a/contrib/sendmail-8.13.4/sendmail/conf.h b/contrib/sendmail-8.13.4/sendmail/conf.h new file mode 100644 index 0000000000..77577c4aaa --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/conf.h @@ -0,0 +1,222 @@ +/* + * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * + * $Id: conf.h,v 8.567 2004/07/23 20:45:01 gshapiro Exp $ + */ + +/* +** CONF.H -- All user-configurable parameters for sendmail +** +** Send updates to sendmail@Sendmail.ORG so they will be +** included in the next release. +*/ + +#ifndef CONF_H +#define CONF_H 1 + +#ifdef __GNUC__ +struct rusage; /* forward declaration to get gcc to shut up in wait.h */ +#endif /* __GNUC__ */ + +# include +# include +# include +# ifndef __QNX__ +/* in QNX this grabs bogus LOCK_* manifests */ +# include +# endif /* ! __QNX__ */ +# include +# include +# include +# include +# include +# include +# include + +/* make sure TOBUFSIZ isn't larger than system limit for size of exec() args */ +#ifdef ARG_MAX +# if ARG_MAX > 4096 +# define SM_ARG_MAX 4096 +# else /* ARG_MAX > 4096 */ +# define SM_ARG_MAX ARG_MAX +# endif /* ARG_MAX > 4096 */ +#else /* ARG_MAX */ +# define SM_ARG_MAX 4096 +#endif /* ARG_MAX */ + +/********************************************************************** +** Table sizes, etc.... +** There shouldn't be much need to change these.... +** If you do, be careful, none should be set anywhere near INT_MAX +**********************************************************************/ + +#define MAXLINE 2048 /* max line length */ +#define MAXNAME 256 /* max length of a name */ +#ifndef MAXAUTHINFO +# define MAXAUTHINFO 100 /* max length of authinfo token */ +#endif /* ! MAXAUTHINFO */ +#define MAXPV 256 /* max # of parms to mailers */ +#define MAXATOM 1000 /* max atoms per address */ +#define MAXRWSETS 200 /* max # of sets of rewriting rules */ +#define MAXPRIORITIES 25 /* max values for Precedence: field */ +#define MAXMXHOSTS 100 /* max # of MX records for one host */ +#define SMTPLINELIM 990 /* maximum SMTP line length */ +#define MAXKEY 128 /* maximum size of a database key */ +#define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ +#define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ +#define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ +#if MILTER +# define MAXFILTERS 25 /* max # of milter filters */ +# define MAXFILTERMACROS 50 /* max # of macros per milter cmd */ +#endif /* MILTER */ +#define MAXSMTPARGS 20 /* max # of ESMTP args for MAIL/RCPT */ +#define MAXTOCLASS 8 /* max # of message timeout classes */ +#define MAXRESTOTYPES 3 /* max # of resolver timeout types */ +#define MAXMIMEARGS 20 /* max args in Content-Type: */ +#define MAXMIMENESTING 20 /* max MIME multipart nesting */ +#define QUEUESEGSIZE 1000 /* increment for queue size */ + +/* +** MAXQFNAME == 2 (size of "qf", "df" prefix) +** + 8 (base 60 encoded date, time & sequence number) +** + 10 (base 10 encoded 32 bit process id) +** + 1 (terminating NUL character). +*/ + +#define MAXQFNAME 21 /* max qf file name length + 1 */ +#define MACBUFSIZE 4096 /* max expanded macro buffer size */ +#define TOBUFSIZE SM_ARG_MAX /* max buffer to hold address list */ +#define MAXSHORTSTR 203 /* max short string length */ +#define MAXMACNAMELEN 25 /* max macro name length */ +#define MAXMACROID 0377 /* max macro id number */ + /* Must match (BITMAPBITS - 1) */ +#ifndef MAXHDRSLEN +# define MAXHDRSLEN (32 * 1024) /* max size of message headers */ +#endif /* ! MAXHDRSLEN */ +#define MAXDAEMONS 10 /* max number of ports to listen to */ +#ifndef MAXINTERFACES +# define MAXINTERFACES 512 /* number of interfaces to probe */ +#endif /* MAXINTERFACES */ +#ifndef MAXSYMLINKS +# define MAXSYMLINKS 32 /* max number of symlinks in a path */ +#endif /* ! MAXSYMLINKS */ +#define MAXLINKPATHLEN (MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */ +#define DATA_PROGRESS_TIMEOUT 300 /* how often to check DATA progress */ +#define ENHSCLEN 10 /* max len of enhanced status code */ +#define DEFAULT_MAX_RCPT 100 /* max number of RCPTs per envelope */ +#define MAXQUEUEGROUPS 50 /* max # of queue groups */ + /* must be less than BITMAPBITS for DoQueueRun */ +#define MAXWORKGROUPS 50 /* max # of work groups */ +#define MAXFILESYS BITMAPBITS /* max # of queue file systems + * must be <= BITMAPBITS */ +#ifndef FILESYS_UPDATE_INTERVAL +# define FILESYS_UPDATE_INTERVAL 300 /* how often to update FileSys table */ +#endif /* FILESYS_UPDATE_INTERVAL */ + +#ifndef SM_DEFAULT_TTL +# define SM_DEFAULT_TTL 3600 /* default TTL for services that don't have one */ +#endif /* SM_DEFAULT_TTL */ + +#if SASL +# ifndef AUTH_MECHANISMS +# if STARTTLS +# define AUTH_MECHANISMS "EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5" +# else /* STARTTLS */ +# define AUTH_MECHANISMS "GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5" +# endif /* STARTTLS */ +# endif /* ! AUTH_MECHANISMS */ +#endif /* SASL */ + +/* +** Default database permissions (alias, maps, etc.) +** Used by sendmail and libsmdb +*/ + +#ifndef DBMMODE +# define DBMMODE 0640 +#endif /* ! DBMMODE */ + +/* +** Value which means a uid or gid value should not change +*/ + +#ifndef NO_UID +# define NO_UID -1 +#endif /* ! NO_UID */ +#ifndef NO_GID +# define NO_GID -1 +#endif /* ! NO_GID */ + +/********************************************************************** +** Compilation options. +** #define these to 1 if they are available; +** #define them to 0 otherwise. +** All can be overridden from Makefile. +**********************************************************************/ + +#ifndef NETINET +# define NETINET 1 /* include internet support */ +#endif /* ! NETINET */ + +#ifndef NETINET6 +# define NETINET6 0 /* do not include IPv6 support */ +#endif /* ! NETINET6 */ + +#ifndef NETISO +# define NETISO 0 /* do not include ISO socket support */ +#endif /* ! NETISO */ + +#ifndef NAMED_BIND +# define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ +#endif /* ! NAMED_BIND */ + +#ifndef XDEBUG +# define XDEBUG 1 /* enable extended debugging */ +#endif /* ! XDEBUG */ + +#ifndef MATCHGECOS +# define MATCHGECOS 1 /* match user names from gecos field */ +#endif /* ! MATCHGECOS */ + +#ifndef DSN +# define DSN 1 /* include delivery status notification code */ +#endif /* ! DSN */ + +#if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) +# define USERDB 1 /* look in user database */ +#endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */ + +#ifndef MIME8TO7 +# define MIME8TO7 1 /* 8->7 bit MIME conversions */ +#endif /* ! MIME8TO7 */ + +#ifndef MIME7TO8 +# define MIME7TO8 1 /* 7->8 bit MIME conversions */ +#endif /* ! MIME7TO8 */ + +#if NAMED_BIND +# ifndef DNSMAP +# define DNSMAP 1 /* DNS map type */ +# endif /* ! DNSMAP */ +#endif /* NAMED_BIND */ + +#ifndef PIPELINING +# define PIPELINING 1 /* SMTP PIPELINING */ +#endif /* PIPELINING */ + +/********************************************************************** +** End of site-specific configuration. +**********************************************************************/ + +#include + +#endif /* ! CONF_H */ diff --git a/contrib/sendmail-8.13.4/sendmail/control.c b/contrib/sendmail-8.13.4/sendmail/control.c new file mode 100644 index 0000000000..0d7ee0b43b --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/control.c @@ -0,0 +1,437 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: control.c,v 8.126 2004/08/04 20:54:00 ca Exp $") + +#include + +/* values for cmd_code */ +#define CMDERROR 0 /* bad command */ +#define CMDRESTART 1 /* restart daemon */ +#define CMDSHUTDOWN 2 /* end daemon */ +#define CMDHELP 3 /* help */ +#define CMDSTATUS 4 /* daemon status */ +#define CMDMEMDUMP 5 /* dump memory, to find memory leaks */ +#if _FFR_CONTROL_MSTAT +# define CMDMSTAT 6 /* daemon status, more info, tagged data */ +#endif /* _FFR_CONTROL_MSTAT */ + +struct cmd +{ + char *cmd_name; /* command name */ + int cmd_code; /* internal code, see below */ +}; + +static struct cmd CmdTab[] = +{ + { "help", CMDHELP }, + { "restart", CMDRESTART }, + { "shutdown", CMDSHUTDOWN }, + { "status", CMDSTATUS }, + { "memdump", CMDMEMDUMP }, +#if _FFR_CONTROL_MSTAT + { "mstat", CMDMSTAT }, +#endif /* _FFR_CONTROL_MSTAT */ + { NULL, CMDERROR } +}; + + + +static void controltimeout __P((int)); +int ControlSocket = -1; + +/* +** OPENCONTROLSOCKET -- create/open the daemon control named socket +** +** Creates and opens a named socket for external control over +** the sendmail daemon. +** +** Parameters: +** none. +** +** Returns: +** 0 if successful, -1 otherwise +*/ + +int +opencontrolsocket() +{ +# if NETUNIX + int save_errno; + int rval; + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; + struct sockaddr_un controladdr; + + if (ControlSocketName == NULL || *ControlSocketName == '\0') + return 0; + + if (strlen(ControlSocketName) >= sizeof controladdr.sun_path) + { + errno = ENAMETOOLONG; + return -1; + } + + rval = safefile(ControlSocketName, RunAsUid, RunAsGid, RunAsUserName, + sff, S_IRUSR|S_IWUSR, NULL); + + /* if not safe, don't create */ + if (rval != 0) + { + errno = rval; + return -1; + } + + ControlSocket = socket(AF_UNIX, SOCK_STREAM, 0); + if (ControlSocket < 0) + return -1; + if (SM_FD_SETSIZE > 0 && ControlSocket >= SM_FD_SETSIZE) + { + clrcontrol(); + errno = EINVAL; + return -1; + } + + (void) unlink(ControlSocketName); + memset(&controladdr, '\0', sizeof controladdr); + controladdr.sun_family = AF_UNIX; + (void) sm_strlcpy(controladdr.sun_path, ControlSocketName, + sizeof controladdr.sun_path); + + if (bind(ControlSocket, (struct sockaddr *) &controladdr, + sizeof controladdr) < 0) + { + save_errno = errno; + clrcontrol(); + errno = save_errno; + return -1; + } + + if (geteuid() == 0) + { + uid_t u = 0; + + if (RunAsUid != 0) + u = RunAsUid; + else if (TrustedUid != 0) + u = TrustedUid; + + if (u != 0 && + chown(ControlSocketName, u, -1) < 0) + { + save_errno = errno; + sm_syslog(LOG_ALERT, NOQID, + "ownership change on %s to uid %d failed: %s", + ControlSocketName, (int) u, + sm_errstring(save_errno)); + message("050 ownership change on %s to uid %d failed: %s", + ControlSocketName, (int) u, + sm_errstring(save_errno)); + closecontrolsocket(true); + errno = save_errno; + return -1; + } + } + + if (chmod(ControlSocketName, S_IRUSR|S_IWUSR) < 0) + { + save_errno = errno; + closecontrolsocket(true); + errno = save_errno; + return -1; + } + + if (listen(ControlSocket, 8) < 0) + { + save_errno = errno; + closecontrolsocket(true); + errno = save_errno; + return -1; + } +# endif /* NETUNIX */ + return 0; +} +/* +** CLOSECONTROLSOCKET -- close the daemon control named socket +** +** Close a named socket. +** +** Parameters: +** fullclose -- if set, close the socket and remove it; +** otherwise, just remove it +** +** Returns: +** none. +*/ + +void +closecontrolsocket(fullclose) + bool fullclose; +{ +# if NETUNIX + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; + + if (ControlSocket >= 0) + { + int rval; + + if (fullclose) + { + (void) close(ControlSocket); + ControlSocket = -1; + } + + rval = safefile(ControlSocketName, RunAsUid, RunAsGid, + RunAsUserName, sff, S_IRUSR|S_IWUSR, NULL); + + /* if not safe, don't unlink */ + if (rval != 0) + return; + + if (unlink(ControlSocketName) < 0) + { + sm_syslog(LOG_WARNING, NOQID, + "Could not remove control socket: %s", + sm_errstring(errno)); + return; + } + } +# endif /* NETUNIX */ + return; +} +/* +** CLRCONTROL -- reset the control connection +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** releases any resources used by the control interface. +*/ + +void +clrcontrol() +{ +# if NETUNIX + if (ControlSocket >= 0) + (void) close(ControlSocket); + ControlSocket = -1; +# endif /* NETUNIX */ +} +/* +** CONTROL_COMMAND -- read and process command from named socket +** +** Read and process the command from the opened socket. +** Exits when done since it is running in a forked child. +** +** Parameters: +** sock -- the opened socket from getrequests() +** e -- the current envelope +** +** Returns: +** none. +*/ + +static jmp_buf CtxControlTimeout; + +/* ARGSUSED0 */ +static void +controltimeout(timeout) + int timeout; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(CtxControlTimeout, 1); +} + +void +control_command(sock, e) + int sock; + ENVELOPE *e; +{ + volatile int exitstat = EX_OK; + SM_FILE_T *s = NULL; + SM_EVENT *ev = NULL; + SM_FILE_T *traffic; + SM_FILE_T *oldout; + char *cmd; + char *p; + struct cmd *c; + char cmdbuf[MAXLINE]; + char inp[MAXLINE]; + + sm_setproctitle(false, e, "control cmd read"); + + if (TimeOuts.to_control > 0) + { + /* handle possible input timeout */ + if (setjmp(CtxControlTimeout) != 0) + { + if (LogLevel > 2) + sm_syslog(LOG_NOTICE, e->e_id, + "timeout waiting for input during control command"); + exit(EX_IOERR); + } + ev = sm_setevent(TimeOuts.to_control, controltimeout, + TimeOuts.to_control); + } + + s = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &sock, + SM_IO_RDWR, NULL); + if (s == NULL) + { + int save_errno = errno; + + (void) close(sock); + errno = save_errno; + exit(EX_IOERR); + } + (void) sm_io_setvbuf(s, SM_TIME_DEFAULT, NULL, + SM_IO_NBF, SM_IO_BUFSIZ); + + if (sm_io_fgets(s, SM_TIME_DEFAULT, inp, sizeof inp) == NULL) + { + (void) sm_io_close(s, SM_TIME_DEFAULT); + exit(EX_IOERR); + } + (void) sm_io_flush(s, SM_TIME_DEFAULT); + + /* clean up end of line */ + fixcrlf(inp, true); + + sm_setproctitle(false, e, "control: %s", inp); + + /* break off command */ + for (p = inp; isascii(*p) && isspace(*p); p++) + continue; + cmd = cmdbuf; + while (*p != '\0' && + !(isascii(*p) && isspace(*p)) && + cmd < &cmdbuf[sizeof cmdbuf - 2]) + *cmd++ = *p++; + *cmd = '\0'; + + /* throw away leading whitespace */ + while (isascii(*p) && isspace(*p)) + p++; + + /* decode command */ + for (c = CmdTab; c->cmd_name != NULL; c++) + { + if (sm_strcasecmp(c->cmd_name, cmdbuf) == 0) + break; + } + + switch (c->cmd_code) + { + case CMDHELP: /* get help */ + traffic = TrafficLogFile; + TrafficLogFile = NULL; + oldout = OutChannel; + OutChannel = s; + help("control", e); + TrafficLogFile = traffic; + OutChannel = oldout; + break; + + case CMDRESTART: /* restart the daemon */ + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, "OK\r\n"); + exitstat = EX_RESTART; + break; + + case CMDSHUTDOWN: /* kill the daemon */ + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, "OK\r\n"); + exitstat = EX_SHUTDOWN; + break; + + case CMDSTATUS: /* daemon status */ + proc_list_probe(); + { + int qgrp; + long bsize; + long free; + + /* XXX need to deal with different partitions */ + qgrp = e->e_qgrp; + if (!ISVALIDQGRP(qgrp)) + qgrp = 0; + free = freediskspace(Queue[qgrp]->qg_qdir, &bsize); + + /* + ** Prevent overflow and don't lose + ** precision (if bsize == 512) + */ + + if (free > 0) + free = (long)((double) free * + ((double) bsize / 1024)); + + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "%d/%d/%ld/%d\r\n", + CurChildren, MaxChildren, + free, getla()); + } + proc_list_display(s, ""); + break; + +# if _FFR_CONTROL_MSTAT + case CMDMSTAT: /* daemon status, extended, tagged format */ + proc_list_probe(); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "C:%d\r\nM:%d\r\nL:%d\r\n", + CurChildren, MaxChildren, + getla()); + printnqe(s, "Q:"); + disk_status(s, "D:"); + proc_list_display(s, "P:"); + break; +# endif /* _FFR_CONTROL_MSTAT */ + + case CMDMEMDUMP: /* daemon memory dump, to find memory leaks */ +# if SM_HEAP_CHECK + /* dump the heap, if we are checking for memory leaks */ + if (sm_debug_active(&SmHeapCheck, 2)) + { + sm_heap_report(s, sm_debug_level(&SmHeapCheck) - 1); + } + else + { + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "Memory dump unavailable.\r\n"); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "To fix, run sendmail with -dsm_check_heap.4\r\n"); + } +# else /* SM_HEAP_CHECK */ + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "Memory dump unavailable.\r\n"); + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "To fix, rebuild with -DSM_HEAP_CHECK\r\n"); +# endif /* SM_HEAP_CHECK */ + break; + + case CMDERROR: /* unknown command */ + (void) sm_io_fprintf(s, SM_TIME_DEFAULT, + "Bad command (%s)\r\n", cmdbuf); + break; + } + (void) sm_io_close(s, SM_TIME_DEFAULT); + if (ev != NULL) + sm_clrevent(ev); + exit(exitstat); +} diff --git a/contrib/sendmail-8.13.4/sendmail/convtime.c b/contrib/sendmail-8.13.4/sendmail/convtime.c new file mode 100644 index 0000000000..36edc1a0b4 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/convtime.c @@ -0,0 +1,202 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: convtime.c,v 8.39 2001/09/11 04:05:13 gshapiro Exp $") + +/* +** CONVTIME -- convert time +** +** Takes a time as an ascii string with a trailing character +** giving units: +** s -- seconds +** m -- minutes +** h -- hours +** d -- days (default) +** w -- weeks +** For example, "3d12h" is three and a half days. +** +** Parameters: +** p -- pointer to ascii time. +** units -- default units if none specified. +** +** Returns: +** time in seconds. +** +** Side Effects: +** none. +*/ + +time_t +convtime(p, units) + char *p; + int units; +{ + register time_t t, r; + register char c; + bool pos = true; + + r = 0; + if (sm_strcasecmp(p, "now") == 0) + return NOW; + if (*p == '-') + { + pos = false; + ++p; + } + while (*p != '\0') + { + t = 0; + while ((c = *p++) != '\0' && isascii(c) && isdigit(c)) + t = t * 10 + (c - '0'); + if (c == '\0') + { + c = units; + p--; + } + else if (strchr("wdhms", c) == NULL) + { + usrerr("Invalid time unit `%c'", c); + c = units; + } + switch (c) + { + case 'w': /* weeks */ + t *= 7; + /* FALLTHROUGH */ + + case 'd': /* days */ + /* FALLTHROUGH */ + default: + t *= 24; + /* FALLTHROUGH */ + + case 'h': /* hours */ + t *= 60; + /* FALLTHROUGH */ + + case 'm': /* minutes */ + t *= 60; + /* FALLTHROUGH */ + + case 's': /* seconds */ + break; + } + r += t; + } + + return pos ? r : -r; +} +/* +** PINTVL -- produce printable version of a time interval +** +** Parameters: +** intvl -- the interval to be converted +** brief -- if true, print this in an extremely compact form +** (basically used for logging). +** +** Returns: +** A pointer to a string version of intvl suitable for +** printing or framing. +** +** Side Effects: +** none. +** +** Warning: +** The string returned is in a static buffer. +*/ + +#define PLURAL(n) ((n) == 1 ? "" : "s") + +char * +pintvl(intvl, brief) + time_t intvl; + bool brief; +{ + static char buf[256]; + register char *p; + int wk, dy, hr, mi, se; + + if (intvl == 0 && !brief) + return "zero seconds"; + if (intvl == NOW) + return "too long"; + + /* decode the interval into weeks, days, hours, minutes, seconds */ + se = intvl % 60; + intvl /= 60; + mi = intvl % 60; + intvl /= 60; + hr = intvl % 24; + intvl /= 24; + if (brief) + { + dy = intvl; + wk = 0; + } + else + { + dy = intvl % 7; + intvl /= 7; + wk = intvl; + } + + /* now turn it into a sexy form */ + p = buf; + if (brief) + { + if (dy > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), "%d+", dy); + p += strlen(p); + } + (void) sm_snprintf(p, SPACELEFT(buf, p), "%02d:%02d:%02d", + hr, mi, se); + return buf; + } + + /* use the verbose form */ + if (wk > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d week%s", wk, + PLURAL(wk)); + p += strlen(p); + } + if (dy > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d day%s", dy, + PLURAL(dy)); + p += strlen(p); + } + if (hr > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d hour%s", hr, + PLURAL(hr)); + p += strlen(p); + } + if (mi > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d minute%s", mi, + PLURAL(mi)); + p += strlen(p); + } + if (se > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d second%s", se, + PLURAL(se)); + p += strlen(p); + } + + return (buf + 2); +} diff --git a/contrib/sendmail-8.13.4/sendmail/daemon.c b/contrib/sendmail-8.13.4/sendmail/daemon.c new file mode 100644 index 0000000000..69a5f61229 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/daemon.c @@ -0,0 +1,4457 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: daemon.c,v 8.658 2005/02/02 18:19:28 ca Exp $") + +#if defined(SOCK_STREAM) || defined(__GNU_LIBRARY__) +# define USE_SOCK_STREAM 1 +#endif /* defined(SOCK_STREAM) || defined(__GNU_LIBRARY__) */ + +#if defined(USE_SOCK_STREAM) +# if NETINET || NETINET6 +# include +# endif /* NETINET || NETINET6 */ +# if NAMED_BIND +# ifndef NO_DATA +# define NO_DATA NO_ADDRESS +# endif /* ! NO_DATA */ +# endif /* NAMED_BIND */ +#endif /* defined(USE_SOCK_STREAM) */ + +#if STARTTLS +# include +#endif /* STARTTLS */ + +#include + +#if IP_SRCROUTE && NETINET +# include +# include +# if HAS_IN_H +# include +# ifndef IPOPTION +# define IPOPTION ip_opts +# define IP_LIST ip_opts +# define IP_DST ip_dst +# endif /* ! IPOPTION */ +# else /* HAS_IN_H */ +# include +# ifndef IPOPTION +# define IPOPTION ipoption +# define IP_LIST ipopt_list +# define IP_DST ipopt_dst +# endif /* ! IPOPTION */ +# endif /* HAS_IN_H */ +#endif /* IP_SRCROUTE && NETINET */ + +#include + +/* structure to describe a daemon or a client */ +struct daemon +{ + int d_socket; /* fd for socket */ + SOCKADDR d_addr; /* socket for incoming */ + unsigned short d_port; /* port number */ + int d_listenqueue; /* size of listen queue */ + int d_tcprcvbufsize; /* size of TCP receive buffer */ + int d_tcpsndbufsize; /* size of TCP send buffer */ + time_t d_refuse_connections_until; + bool d_firsttime; + int d_socksize; + BITMAP256 d_flags; /* flags; see sendmail.h */ + char *d_mflags; /* flags for use in macro */ + char *d_name; /* user-supplied name */ +#if MILTER + char *d_inputfilterlist; + struct milter *d_inputfilters[MAXFILTERS]; +#endif /* MILTER */ +#if _FFR_SS_PER_DAEMON + int d_supersafe; +#endif /* _FFR_SS_PER_DAEMON */ +#if _FFR_DM_PER_DAEMON + int d_dm; /* DeliveryMode */ +#endif /* _FFR_DM_PER_DAEMON */ +}; + +typedef struct daemon DAEMON_T; + +#define SAFE_NOTSET (-1) /* SuperSafe (per daemon) option not set */ +/* see also sendmail.h: SuperSafe values */ + +#define DM_NOTSET (-1) /* DeliveryMode (per daemon) option not set */ +/* see also sendmail.h: values for e_sendmode -- send modes */ + +static void connecttimeout __P((int)); +static int opendaemonsocket __P((DAEMON_T *, bool)); +static unsigned short setupdaemon __P((SOCKADDR *)); +static void getrequests_checkdiskspace __P((ENVELOPE *e)); +static void setsockaddroptions __P((char *, DAEMON_T *)); +static void printdaemonflags __P((DAEMON_T *)); +static int addr_family __P((char *)); +static int addrcmp __P((struct hostent *, char *, SOCKADDR *)); +static void authtimeout __P((int)); + +/* +** DAEMON.C -- routines to use when running as a daemon. +** +** This entire file is highly dependent on the 4.2 BSD +** interprocess communication primitives. No attempt has +** been made to make this file portable to Version 7, +** Version 6, MPX files, etc. If you should try such a +** thing yourself, I recommend chucking the entire file +** and starting from scratch. Basic semantics are: +** +** getrequests(e) +** Opens a port and initiates a connection. +** Returns in a child. Must set InChannel and +** OutChannel appropriately. +** clrdaemon() +** Close any open files associated with getting +** the connection; this is used when running the queue, +** etc., to avoid having extra file descriptors during +** the queue run and to avoid confusing the network +** code (if it cares). +** makeconnection(host, port, mci, e, enough) +** Make a connection to the named host on the given +** port. Returns zero on success, else an exit status +** describing the error. +** host_map_lookup(map, hbuf, avp, pstat) +** Convert the entry in hbuf into a canonical form. +*/ + +static DAEMON_T Daemons[MAXDAEMONS]; +static int NDaemons = 0; /* actual number of daemons */ + +static time_t NextDiskSpaceCheck = 0; + +/* +** GETREQUESTS -- open mail IPC port and get requests. +** +** Parameters: +** e -- the current envelope. +** +** Returns: +** pointer to flags. +** +** Side Effects: +** Waits until some interesting activity occurs. When +** it does, a child is created to process it, and the +** parent waits for completion. Return from this +** routine is always in the child. The file pointers +** "InChannel" and "OutChannel" should be set to point +** to the communication channel. +** May restart persistent queue runners if they have ended +** for some reason. +*/ + +BITMAP256 * +getrequests(e) + ENVELOPE *e; +{ + int t; + int idx, curdaemon = -1; + int i, olddaemon = 0; +#if XDEBUG + bool j_has_dot; +#endif /* XDEBUG */ + char status[MAXLINE]; + SOCKADDR sa; + SOCKADDR_LEN_T len = sizeof sa; +#if _FFR_QUEUE_RUN_PARANOIA + time_t lastrun; +#endif /* _FFR_QUEUE_RUN_PARANOIA */ +# if NETUNIX + extern int ControlSocket; +# endif /* NETUNIX */ + extern ENVELOPE BlankEnvelope; + extern bool refuseconnections __P((char *, ENVELOPE *, int, bool)); + + + /* initialize data for function that generates queue ids */ + init_qid_alg(); + for (idx = 0; idx < NDaemons; idx++) + { + Daemons[idx].d_port = setupdaemon(&(Daemons[idx].d_addr)); + Daemons[idx].d_firsttime = true; + Daemons[idx].d_refuse_connections_until = (time_t) 0; + } + + /* + ** Try to actually open the connection. + */ + + if (tTd(15, 1)) + { + for (idx = 0; idx < NDaemons; idx++) + { + sm_dprintf("getrequests: daemon %s: port %d\n", + Daemons[idx].d_name, + ntohs(Daemons[idx].d_port)); + } + } + + /* get a socket for the SMTP connection */ + for (idx = 0; idx < NDaemons; idx++) + Daemons[idx].d_socksize = opendaemonsocket(&Daemons[idx], true); + + if (opencontrolsocket() < 0) + sm_syslog(LOG_WARNING, NOQID, + "daemon could not open control socket %s: %s", + ControlSocketName, sm_errstring(errno)); + + /* If there are any queue runners released reapchild() co-ord's */ + (void) sm_signal(SIGCHLD, reapchild); + + /* write the pid to file, command line args to syslog */ + log_sendmail_pid(e); + +#if XDEBUG + { + char jbuf[MAXHOSTNAMELEN]; + + expand("\201j", jbuf, sizeof jbuf, e); + j_has_dot = strchr(jbuf, '.') != NULL; + } +#endif /* XDEBUG */ + + /* Add parent process as first item */ + proc_list_add(CurrentPid, "Sendmail daemon", PROC_DAEMON, 0, -1, NULL); + + if (tTd(15, 1)) + { + for (idx = 0; idx < NDaemons; idx++) + sm_dprintf("getrequests: daemon %s: %d\n", + Daemons[idx].d_name, + Daemons[idx].d_socket); + } + + for (;;) + { + register pid_t pid; + auto SOCKADDR_LEN_T lotherend; + bool timedout = false; + bool control = false; + int save_errno; + int pipefd[2]; + time_t now; +#if STARTTLS + long seed; +#endif /* STARTTLS */ + + /* see if we are rejecting connections */ + (void) sm_blocksignal(SIGALRM); + CHECK_RESTART; + + for (idx = 0; idx < NDaemons; idx++) + { + /* + ** XXX do this call outside the loop? + ** no: refuse_connections may sleep(). + */ + + now = curtime(); + if (now < Daemons[idx].d_refuse_connections_until) + continue; + if (bitnset(D_DISABLE, Daemons[idx].d_flags)) + continue; + if (refuseconnections(Daemons[idx].d_name, e, idx, + curdaemon == idx)) + { + if (Daemons[idx].d_socket >= 0) + { + /* close socket so peer fails quickly */ + (void) close(Daemons[idx].d_socket); + Daemons[idx].d_socket = -1; + } + + /* refuse connections for next 15 seconds */ + Daemons[idx].d_refuse_connections_until = now + 15; + } + else if (Daemons[idx].d_socket < 0 || + Daemons[idx].d_firsttime) + { + if (!Daemons[idx].d_firsttime && LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, + "accepting connections again for daemon %s", + Daemons[idx].d_name); + + /* arrange to (re)open the socket if needed */ + (void) opendaemonsocket(&Daemons[idx], false); + Daemons[idx].d_firsttime = false; + } + } + + /* May have been sleeping above, check again */ + CHECK_RESTART; + + getrequests_checkdiskspace(e); + +#if XDEBUG + /* check for disaster */ + { + char jbuf[MAXHOSTNAMELEN]; + + expand("\201j", jbuf, sizeof jbuf, e); + if (!wordinclass(jbuf, 'w')) + { + dumpstate("daemon lost $j"); + sm_syslog(LOG_ALERT, NOQID, + "daemon process doesn't have $j in $=w; see syslog"); + abort(); + } + else if (j_has_dot && strchr(jbuf, '.') == NULL) + { + dumpstate("daemon $j lost dot"); + sm_syslog(LOG_ALERT, NOQID, + "daemon process $j lost dot; see syslog"); + abort(); + } + } +#endif /* XDEBUG */ + +#if 0 + /* + ** Andrew Sun claims that this will + ** fix the SVr4 problem. But it seems to have gone away, + ** so is it worth doing this? + */ + + if (DaemonSocket >= 0 && + SetNonBlocking(DaemonSocket, false) < 0) + log an error here; +#endif /* 0 */ + (void) sm_releasesignal(SIGALRM); + + for (;;) + { + bool setproc = false; + int highest = -1; + fd_set readfds; + struct timeval timeout; + + CHECK_RESTART; + FD_ZERO(&readfds); + for (idx = 0; idx < NDaemons; idx++) + { + /* wait for a connection */ + if (Daemons[idx].d_socket >= 0) + { + if (!setproc && + !bitnset(D_ETRNONLY, + Daemons[idx].d_flags)) + { + sm_setproctitle(true, e, + "accepting connections"); + setproc = true; + } + if (Daemons[idx].d_socket > highest) + highest = Daemons[idx].d_socket; + SM_FD_SET(Daemons[idx].d_socket, + &readfds); + } + } + +#if NETUNIX + if (ControlSocket >= 0) + { + if (ControlSocket > highest) + highest = ControlSocket; + SM_FD_SET(ControlSocket, &readfds); + } +#endif /* NETUNIX */ + + timeout.tv_sec = 5; + timeout.tv_usec = 0; + + t = select(highest + 1, FDSET_CAST &readfds, + NULL, NULL, &timeout); + + /* Did someone signal while waiting? */ + CHECK_RESTART; + + curdaemon = -1; + if (doqueuerun()) + { + (void) runqueue(true, false, false, false); +#if _FFR_QUEUE_RUN_PARANOIA + lastrun = now; +#endif /* _FFR_QUEUE_RUN_PARANOIA */ + } +#if _FFR_QUEUE_RUN_PARANOIA + else if (QueueIntvl > 0 && + lastrun + QueueIntvl + 60 < now) + { + + /* + ** set lastrun unconditionally to avoid + ** calling checkqueuerunner() all the time. + ** That's also why we currently ignore the + ** result of the function call. + */ + + (void) checkqueuerunner(); + lastrun = now; + } +#endif /* _FFR_QUEUE_RUN_PARANOIA */ + + if (t <= 0) + { + timedout = true; + break; + } + + control = false; + errno = 0; + + /* look "round-robin" for an active socket */ + if ((idx = olddaemon + 1) >= NDaemons) + idx = 0; + for (i = 0; i < NDaemons; i++) + { + if (Daemons[idx].d_socket >= 0 && + SM_FD_ISSET(Daemons[idx].d_socket, + &readfds)) + { + lotherend = Daemons[idx].d_socksize; + memset(&RealHostAddr, '\0', + sizeof RealHostAddr); + t = accept(Daemons[idx].d_socket, + (struct sockaddr *)&RealHostAddr, + &lotherend); + + /* + ** If remote side closes before + ** accept() finishes, sockaddr + ** might not be fully filled in. + */ + + if (t >= 0 && + (lotherend == 0 || +# ifdef BSD4_4_SOCKADDR + RealHostAddr.sa.sa_len == 0 || +# endif /* BSD4_4_SOCKADDR */ + RealHostAddr.sa.sa_family != Daemons[idx].d_addr.sa.sa_family)) + { + (void) close(t); + t = -1; + errno = EINVAL; + } + olddaemon = curdaemon = idx; + break; + } + if (++idx >= NDaemons) + idx = 0; + } +#if NETUNIX + if (curdaemon == -1 && ControlSocket >= 0 && + SM_FD_ISSET(ControlSocket, &readfds)) + { + struct sockaddr_un sa_un; + + lotherend = sizeof sa_un; + memset(&sa_un, '\0', sizeof sa_un); + t = accept(ControlSocket, + (struct sockaddr *)&sa_un, + &lotherend); + + /* + ** If remote side closes before + ** accept() finishes, sockaddr + ** might not be fully filled in. + */ + + if (t >= 0 && + (lotherend == 0 || +# ifdef BSD4_4_SOCKADDR + sa_un.sun_len == 0 || +# endif /* BSD4_4_SOCKADDR */ + sa_un.sun_family != AF_UNIX)) + { + (void) close(t); + t = -1; + errno = EINVAL; + } + if (t >= 0) + control = true; + } +#else /* NETUNIX */ + if (curdaemon == -1) + { + /* No daemon to service */ + continue; + } +#endif /* NETUNIX */ + if (t >= 0 || errno != EINTR) + break; + } + if (timedout) + { + timedout = false; + continue; + } + save_errno = errno; + (void) sm_blocksignal(SIGALRM); + if (t < 0) + { + errno = save_errno; + + /* let's ignore these temporary errors */ + if (save_errno == EINTR +#ifdef EAGAIN + || save_errno == EAGAIN +#endif /* EAGAIN */ +#ifdef ECONNABORTED + || save_errno == ECONNABORTED +#endif /* ECONNABORTED */ +#ifdef EWOULDBLOCK + || save_errno == EWOULDBLOCK +#endif /* EWOULDBLOCK */ + ) + continue; + + syserr("getrequests: accept"); + + /* arrange to re-open the socket next time around */ + (void) close(Daemons[curdaemon].d_socket); + Daemons[curdaemon].d_socket = -1; +#if SO_REUSEADDR_IS_BROKEN + /* + ** Give time for bound socket to be released. + ** This creates a denial-of-service if you can + ** force accept() to fail on affected systems. + */ + + Daemons[curdaemon].d_refuse_connections_until = curtime() + 15; +#endif /* SO_REUSEADDR_IS_BROKEN */ + continue; + } + + if (!control) + { + /* set some daemon related macros */ + switch (Daemons[curdaemon].d_addr.sa.sa_family) + { + case AF_UNSPEC: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "unspec"); + break; +#if _FFR_DAEMON_NETUNIX +# if NETUNIX + case AF_UNIX: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "local"); + break; +# endif /* NETUNIX */ +#endif /* _FFR_DAEMON_NETUNIX */ +#if NETINET + case AF_INET: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "inet"); + break; +#endif /* NETINET */ +#if NETINET6 + case AF_INET6: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "inet6"); + break; +#endif /* NETINET6 */ +#if NETISO + case AF_ISO: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "iso"); + break; +#endif /* NETISO */ +#if NETNS + case AF_NS: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "ns"); + break; +#endif /* NETNS */ +#if NETX25 + case AF_CCITT: + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_family}"), "x.25"); + break; +#endif /* NETX25 */ + } + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_name}"), + Daemons[curdaemon].d_name); + if (Daemons[curdaemon].d_mflags != NULL) + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_flags}"), + Daemons[curdaemon].d_mflags); + else + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_flags}"), ""); + } + + /* + ** If connection rate is exceeded here, connection shall be + ** refused later by a new call after fork() by the + ** validate_connection() function. Closing the connection + ** at this point violates RFC 2821. + ** Do NOT remove this call, its side effects are needed. + */ + + connection_rate_check(&RealHostAddr, NULL); + + /* + ** Create a subprocess to process the mail. + */ + + if (tTd(15, 2)) + sm_dprintf("getrequests: forking (fd = %d)\n", t); + + /* + ** Advance state of PRNG. + ** This is necessary because otherwise all child processes + ** will produce the same PRN sequence and hence the selection + ** of a queue directory (and other things, e.g., MX selection) + ** are not "really" random. + */ +#if STARTTLS + /* XXX get some better "random" data? */ + seed = get_random(); + RAND_seed((void *) &NextDiskSpaceCheck, + sizeof NextDiskSpaceCheck); + RAND_seed((void *) &now, sizeof now); + RAND_seed((void *) &seed, sizeof seed); +#else /* STARTTLS */ + (void) get_random(); +#endif /* STARTTLS */ + +#if NAMED_BIND + /* + ** Update MX records for FallbackMX. + ** Let's hope this is fast otherwise we screw up the + ** response time. + */ + + if (FallbackMX != NULL) + (void) getfallbackmxrr(FallbackMX); +#endif /* NAMED_BIND */ + + if (tTd(93, 100)) + { + /* don't fork, handle connection in this process */ + pid = 0; + pipefd[0] = pipefd[1] = -1; + } + else + { + /* + ** Create a pipe to keep the child from writing to + ** the socket until after the parent has closed + ** it. Otherwise the parent may hang if the child + ** has closed it first. + */ + + if (pipe(pipefd) < 0) + pipefd[0] = pipefd[1] = -1; + + (void) sm_blocksignal(SIGCHLD); + pid = fork(); + if (pid < 0) + { + syserr("daemon: cannot fork"); + if (pipefd[0] != -1) + { + (void) close(pipefd[0]); + (void) close(pipefd[1]); + } + (void) sm_releasesignal(SIGCHLD); + (void) sleep(10); + (void) close(t); + continue; + } + } + + if (pid == 0) + { + char *p; + SM_FILE_T *inchannel, *outchannel = NULL; + + /* + ** CHILD -- return to caller. + ** Collect verified idea of sending host. + ** Verify calling user id if possible here. + */ + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + close_sendmail_pid(); + + (void) sm_releasesignal(SIGALRM); + (void) sm_releasesignal(SIGCHLD); + (void) sm_signal(SIGCHLD, SIG_DFL); + (void) sm_signal(SIGHUP, SIG_DFL); + (void) sm_signal(SIGTERM, intsig); + + /* turn on profiling */ + /* SM_PROF(0); */ + + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + sm_exc_newthread(fatal_error); + + if (!control) + { + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{daemon_addr}"), + anynet_ntoa(&Daemons[curdaemon].d_addr)); + (void) sm_snprintf(status, sizeof status, "%d", + ntohs(Daemons[curdaemon].d_port)); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{daemon_port}"), status); + } + + for (idx = 0; idx < NDaemons; idx++) + { + if (Daemons[idx].d_socket >= 0) + (void) close(Daemons[idx].d_socket); + Daemons[idx].d_socket = -1; + } + clrcontrol(); + + /* Avoid SMTP daemon actions if control command */ + if (control) + { + /* Add control socket process */ + proc_list_add(CurrentPid, + "console socket child", + PROC_CONTROL_CHILD, 0, -1, NULL); + } + else + { + proc_list_clear(); + + /* clean up background delivery children */ + (void) sm_signal(SIGCHLD, reapchild); + + /* Add parent process as first child item */ + proc_list_add(CurrentPid, "daemon child", + PROC_DAEMON_CHILD, 0, -1, NULL); + + /* don't schedule queue runs if ETRN */ + QueueIntvl = 0; +#if _FFR_SS_PER_DAEMON + if (Daemons[curdaemon].d_supersafe != + SAFE_NOTSET) + SuperSafe = Daemons[curdaemon].d_supersafe; +#endif /* _FFR_SS_PER_DAEMON */ +#if _FFR_DM_PER_DAEMON + if (Daemons[curdaemon].d_dm != DM_NOTSET) + set_delivery_mode( + Daemons[curdaemon].d_dm, e); +#endif /* _FFR_DM_PER_DAEMON */ + + + sm_setproctitle(true, e, "startup with %s", + anynet_ntoa(&RealHostAddr)); + } + + if (pipefd[0] != -1) + { + auto char c; + + /* + ** Wait for the parent to close the write end + ** of the pipe, which we will see as an EOF. + ** This guarantees that we won't write to the + ** socket until after the parent has closed + ** the pipe. + */ + + /* close the write end of the pipe */ + (void) close(pipefd[1]); + + /* we shouldn't be interrupted, but ... */ + while (read(pipefd[0], &c, 1) < 0 && + errno == EINTR) + continue; + (void) close(pipefd[0]); + } + + /* control socket processing */ + if (control) + { + control_command(t, e); + /* NOTREACHED */ + exit(EX_SOFTWARE); + } + + /* determine host name */ + p = hostnamebyanyaddr(&RealHostAddr); + if (strlen(p) > MAXNAME) /* XXX - 1 ? */ + p[MAXNAME] = '\0'; + RealHostName = newstr(p); + if (RealHostName[0] == '[') + { + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{client_resolve}"), + h_errno == TRY_AGAIN ? "TEMP" : "FAIL"); + } + else + { + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{client_resolve}"), "OK"); + } + sm_setproctitle(true, e, "startup with %s", p); + markstats(e, NULL, STATS_CONNECT); + + if ((inchannel = sm_io_open(SmFtStdiofd, + SM_TIME_DEFAULT, + (void *) &t, + SM_IO_RDONLY_B, + NULL)) == NULL || + (t = dup(t)) < 0 || + (outchannel = sm_io_open(SmFtStdiofd, + SM_TIME_DEFAULT, + (void *) &t, + SM_IO_WRONLY_B, + NULL)) == NULL) + { + syserr("cannot open SMTP server channel, fd=%d", + t); + finis(false, true, EX_OK); + } + sm_io_automode(inchannel, outchannel); + + InChannel = inchannel; + OutChannel = outchannel; + DisConnected = false; + +#if XLA + if (!xla_host_ok(RealHostName)) + { + message("421 4.4.5 Too many SMTP sessions for this host"); + finis(false, true, EX_OK); + } +#endif /* XLA */ + /* find out name for interface of connection */ + if (getsockname(sm_io_getinfo(InChannel, SM_IO_WHAT_FD, + NULL), &sa.sa, &len) == 0) + { + p = hostnamebyanyaddr(&sa); + if (tTd(15, 9)) + sm_dprintf("getreq: got name %s\n", p); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{if_name}"), p); + + /* + ** Do this only if it is not the loopback + ** interface. + */ + + if (!isloopback(sa)) + { + char *addr; + char family[5]; + + addr = anynet_ntoa(&sa); + (void) sm_snprintf(family, + sizeof(family), + "%d", sa.sa.sa_family); + macdefine(&BlankEnvelope.e_macro, + A_TEMP, + macid("{if_addr}"), addr); + macdefine(&BlankEnvelope.e_macro, + A_TEMP, + macid("{if_family}"), family); + if (tTd(15, 7)) + sm_dprintf("getreq: got addr %s and family %s\n", + addr, family); + } + else + { + macdefine(&BlankEnvelope.e_macro, + A_PERM, + macid("{if_addr}"), NULL); + macdefine(&BlankEnvelope.e_macro, + A_PERM, + macid("{if_family}"), NULL); + } + } + else + { + if (tTd(15, 7)) + sm_dprintf("getreq: getsockname failed\n"); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{if_name}"), NULL); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{if_addr}"), NULL); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{if_family}"), NULL); + } + break; + } + + /* parent -- keep track of children */ + if (control) + { + (void) sm_snprintf(status, sizeof status, + "control socket server child"); + proc_list_add(pid, status, PROC_CONTROL, 0, -1, NULL); + } + else + { + (void) sm_snprintf(status, sizeof status, + "SMTP server child for %s", + anynet_ntoa(&RealHostAddr)); + proc_list_add(pid, status, PROC_DAEMON, 0, -1, + &RealHostAddr); + } + (void) sm_releasesignal(SIGCHLD); + + /* close the read end of the synchronization pipe */ + if (pipefd[0] != -1) + { + (void) close(pipefd[0]); + pipefd[0] = -1; + } + + /* close the port so that others will hang (for a while) */ + (void) close(t); + + /* release the child by closing the read end of the sync pipe */ + if (pipefd[1] != -1) + { + (void) close(pipefd[1]); + pipefd[1] = -1; + } + } + if (tTd(15, 2)) + sm_dprintf("getreq: returning\n"); + +#if MILTER + /* set the filters for this daemon */ + if (Daemons[curdaemon].d_inputfilterlist != NULL) + { + for (i = 0; + (i < MAXFILTERS && + Daemons[curdaemon].d_inputfilters[i] != NULL); + i++) + { + InputFilters[i] = Daemons[curdaemon].d_inputfilters[i]; + } + if (i < MAXFILTERS) + InputFilters[i] = NULL; + } +#endif /* MILTER */ + return &Daemons[curdaemon].d_flags; +} + +/* +** GETREQUESTS_CHECKDISKSPACE -- check available diskspace. +** +** Parameters: +** e -- envelope. +** +** Returns: +** none. +** +** Side Effects: +** Modifies Daemon flags (D_ETRNONLY) if not enough disk space. +*/ + +static void +getrequests_checkdiskspace(e) + ENVELOPE *e; +{ + bool logged = false; + int idx; + time_t now; + + now = curtime(); + if (now < NextDiskSpaceCheck) + return; + + /* Check if there is available disk space in all queue groups. */ + if (!enoughdiskspace(0, NULL)) + { + for (idx = 0; idx < NDaemons; ++idx) + { + if (bitnset(D_ETRNONLY, Daemons[idx].d_flags)) + continue; + + /* log only if not logged before */ + if (!logged) + { + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, + "rejecting new messages: min free: %ld", + MinBlocksFree); + sm_setproctitle(true, e, + "rejecting new messages: min free: %ld", + MinBlocksFree); + logged = true; + } + setbitn(D_ETRNONLY, Daemons[idx].d_flags); + } + } + else + { + for (idx = 0; idx < NDaemons; ++idx) + { + if (!bitnset(D_ETRNONLY, Daemons[idx].d_flags)) + continue; + + /* log only if not logged before */ + if (!logged) + { + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, + "accepting new messages (again)"); + logged = true; + } + + /* title will be set later */ + clrbitn(D_ETRNONLY, Daemons[idx].d_flags); + } + } + + /* only check disk space once a minute */ + NextDiskSpaceCheck = now + 60; +} + +/* +** OPENDAEMONSOCKET -- open SMTP socket +** +** Deals with setting all appropriate options. +** +** Parameters: +** d -- the structure for the daemon to open. +** firsttime -- set if this is the initial open. +** +** Returns: +** Size in bytes of the daemon socket addr. +** +** Side Effects: +** Leaves DaemonSocket set to the open socket. +** Exits if the socket cannot be created. +*/ + +#define MAXOPENTRIES 10 /* maximum number of tries to open connection */ + +static int +opendaemonsocket(d, firsttime) + DAEMON_T *d; + bool firsttime; +{ + int on = 1; + int fdflags; + SOCKADDR_LEN_T socksize = 0; + int ntries = 0; + int save_errno; + + if (tTd(15, 2)) + sm_dprintf("opendaemonsocket(%s)\n", d->d_name); + + do + { + if (ntries > 0) + (void) sleep(5); + if (firsttime || d->d_socket < 0) + { +#if _FFR_DAEMON_NETUNIX +# if NETUNIX + if (d->d_addr.sa.sa_family == AF_UNIX) + { + int rval; + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_ROOTOK|SFF_EXECOK|SFF_CREAT; + + /* if not safe, don't use it */ + rval = safefile(d->d_addr.sunix.sun_path, + RunAsUid, RunAsGid, + RunAsUserName, sff, + S_IRUSR|S_IWUSR, NULL); + if (rval != 0) + { + save_errno = errno; + syserr("opendaemonsocket: daemon %s: unsafe domain socket %s", + d->d_name, + d->d_addr.sunix.sun_path); + goto fail; + } + + /* Don't try to overtake an existing socket */ + (void) unlink(d->d_addr.sunix.sun_path); + } +# endif /* NETUNIX */ +#endif /* _FFR_DOMAIN_NETUNIX */ + d->d_socket = socket(d->d_addr.sa.sa_family, + SOCK_STREAM, 0); + if (d->d_socket < 0) + { + save_errno = errno; + syserr("opendaemonsocket: daemon %s: can't create server SMTP socket", + d->d_name); + fail: + if (bitnset(D_OPTIONAL, d->d_flags) && + (!transienterror(save_errno) || + ntries >= MAXOPENTRIES - 1)) + { + syserr("opendaemonsocket: daemon %s: optional socket disabled", + d->d_name); + setbitn(D_DISABLE, d->d_flags); + d->d_socket = -1; + return -1; + } + severe: + if (LogLevel > 0) + sm_syslog(LOG_ALERT, NOQID, + "daemon %s: problem creating SMTP socket", + d->d_name); + d->d_socket = -1; + continue; + } + + if (SM_FD_SETSIZE > 0 && d->d_socket >= SM_FD_SETSIZE) + { + save_errno = EINVAL; + syserr("opendaemonsocket: daemon %s: server SMTP socket (%d) too large", + d->d_name, d->d_socket); + goto fail; + } + + /* turn on network debugging? */ + if (tTd(15, 101)) + (void) setsockopt(d->d_socket, SOL_SOCKET, + SO_DEBUG, (char *)&on, + sizeof on); + + (void) setsockopt(d->d_socket, SOL_SOCKET, + SO_REUSEADDR, (char *)&on, sizeof on); + (void) setsockopt(d->d_socket, SOL_SOCKET, + SO_KEEPALIVE, (char *)&on, sizeof on); + +#ifdef SO_RCVBUF + if (d->d_tcprcvbufsize > 0) + { + if (setsockopt(d->d_socket, SOL_SOCKET, + SO_RCVBUF, + (char *) &d->d_tcprcvbufsize, + sizeof(d->d_tcprcvbufsize)) < 0) + syserr("opendaemonsocket: daemon %s: setsockopt(SO_RCVBUF)", d->d_name); + } +#endif /* SO_RCVBUF */ +#ifdef SO_SNDBUF + if (d->d_tcpsndbufsize > 0) + { + if (setsockopt(d->d_socket, SOL_SOCKET, + SO_SNDBUF, + (char *) &d->d_tcpsndbufsize, + sizeof(d->d_tcpsndbufsize)) < 0) + syserr("opendaemonsocket: daemon %s: setsockopt(SO_SNDBUF)", d->d_name); + } +#endif /* SO_SNDBUF */ + + if ((fdflags = fcntl(d->d_socket, F_GETFD, 0)) == -1 || + fcntl(d->d_socket, F_SETFD, + fdflags | FD_CLOEXEC) == -1) + { + save_errno = errno; + syserr("opendaemonsocket: daemon %s: failed to %s close-on-exec flag: %s", + d->d_name, + fdflags == -1 ? "get" : "set", + sm_errstring(save_errno)); + (void) close(d->d_socket); + goto severe; + } + + switch (d->d_addr.sa.sa_family) + { +#if _FFR_DAEMON_NETUNIX +# ifdef NETUNIX + case AF_UNIX: + socksize = sizeof d->d_addr.sunix; + break; +# endif /* NETUNIX */ +#endif /* _FFR_DAEMON_NETUNIX */ +#if NETINET + case AF_INET: + socksize = sizeof d->d_addr.sin; + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + socksize = sizeof d->d_addr.sin6; + break; +#endif /* NETINET6 */ + +#if NETISO + case AF_ISO: + socksize = sizeof d->d_addr.siso; + break; +#endif /* NETISO */ + + default: + socksize = sizeof d->d_addr; + break; + } + + if (bind(d->d_socket, &d->d_addr.sa, socksize) < 0) + { + /* probably another daemon already */ + save_errno = errno; + syserr("opendaemonsocket: daemon %s: cannot bind", + d->d_name); + (void) close(d->d_socket); + goto fail; + } + } + if (!firsttime && + listen(d->d_socket, d->d_listenqueue) < 0) + { + save_errno = errno; + syserr("opendaemonsocket: daemon %s: cannot listen", + d->d_name); + (void) close(d->d_socket); + goto severe; + } + return socksize; + } while (ntries++ < MAXOPENTRIES && transienterror(save_errno)); + syserr("!opendaemonsocket: daemon %s: server SMTP socket wedged: exiting", + d->d_name); + /* NOTREACHED */ + return -1; /* avoid compiler warning on IRIX */ +} +/* +** SETUPDAEMON -- setup socket for daemon +** +** Parameters: +** daemonaddr -- socket for daemon +** +** Returns: +** port number on which daemon should run +** +*/ + +static unsigned short +setupdaemon(daemonaddr) + SOCKADDR *daemonaddr; +{ + unsigned short port; + + /* + ** Set up the address for the mailer. + */ + + if (daemonaddr->sa.sa_family == AF_UNSPEC) + { + memset(daemonaddr, '\0', sizeof *daemonaddr); +#if NETINET + daemonaddr->sa.sa_family = AF_INET; +#endif /* NETINET */ + } + + switch (daemonaddr->sa.sa_family) + { +#if NETINET + case AF_INET: + if (daemonaddr->sin.sin_addr.s_addr == 0) + daemonaddr->sin.sin_addr.s_addr = INADDR_ANY; + port = daemonaddr->sin.sin_port; + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (IN6_IS_ADDR_UNSPECIFIED(&daemonaddr->sin6.sin6_addr)) + daemonaddr->sin6.sin6_addr = in6addr_any; + port = daemonaddr->sin6.sin6_port; + break; +#endif /* NETINET6 */ + + default: + /* unknown protocol */ + port = 0; + break; + } + if (port == 0) + { +#ifdef NO_GETSERVBYNAME + port = htons(25); +#else /* NO_GETSERVBYNAME */ + { + register struct servent *sp; + + sp = getservbyname("smtp", "tcp"); + if (sp == NULL) + { + syserr("554 5.3.5 service \"smtp\" unknown"); + port = htons(25); + } + else + port = sp->s_port; + } +#endif /* NO_GETSERVBYNAME */ + } + + switch (daemonaddr->sa.sa_family) + { +#if NETINET + case AF_INET: + daemonaddr->sin.sin_port = port; + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + daemonaddr->sin6.sin6_port = port; + break; +#endif /* NETINET6 */ + + default: + /* unknown protocol */ + break; + } + return port; +} +/* +** CLRDAEMON -- reset the daemon connection +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** releases any resources used by the passive daemon. +*/ + +void +clrdaemon() +{ + int i; + + for (i = 0; i < NDaemons; i++) + { + if (Daemons[i].d_socket >= 0) + (void) close(Daemons[i].d_socket); + Daemons[i].d_socket = -1; + } +} + +/* +** GETMODIFIERS -- get modifier flags +** +** Parameters: +** v -- the modifiers (input text line). +** modifiers -- pointer to flag field to represent modifiers. +** +** Returns: +** (xallocat()ed) string representation of modifiers. +** +** Side Effects: +** fills in modifiers. +*/ + +char * +getmodifiers(v, modifiers) + char *v; + BITMAP256 modifiers; +{ + int l; + char *h, *f, *flags; + + /* maximum length of flags: upper case Option -> "OO " */ + l = 3 * strlen(v) + 3; + + /* is someone joking? */ + if (l < 0 || l > 256) + { + if (LogLevel > 2) + sm_syslog(LOG_ERR, NOQID, + "getmodifiers too long, ignored"); + return NULL; + } + flags = xalloc(l); + f = flags; + clrbitmap(modifiers); + for (h = v; *h != '\0'; h++) + { + if (isascii(*h) && !isspace(*h) && isprint(*h)) + { + setbitn(*h, modifiers); + if (flags != f) + *flags++ = ' '; + *flags++ = *h; + if (isupper(*h)) + *flags++ = *h; + } + } + *flags++ = '\0'; + return f; +} + +/* +** CHKDAEMONMODIFIERS -- check whether all daemons have set a flag. +** +** Parameters: +** flag -- the flag to test. +** +** Returns: +** true iff all daemons have set flag. +*/ + +bool +chkdaemonmodifiers(flag) + int flag; +{ + int i; + + for (i = 0; i < NDaemons; i++) + if (!bitnset((char) flag, Daemons[i].d_flags)) + return false; + return true; +} + +/* +** SETSOCKADDROPTIONS -- set options for SOCKADDR (daemon or client) +** +** Parameters: +** p -- the options line. +** d -- the daemon structure to fill in. +** +** Returns: +** none. +*/ + +static void +setsockaddroptions(p, d) + char *p; + DAEMON_T *d; +{ +#if NETISO + short portno; +#endif /* NETISO */ + char *port = NULL; + char *addr = NULL; + +#if NETINET + if (d->d_addr.sa.sa_family == AF_UNSPEC) + d->d_addr.sa.sa_family = AF_INET; +#endif /* NETINET */ + + while (p != NULL) + { + register char *f; + register char *v; + + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + break; + f = p; + p = strchr(p, ','); + if (p != NULL) + *p++ = '\0'; + v = strchr(f, '='); + if (v == NULL) + continue; + while (isascii(*++v) && isspace(*v)) + continue; + if (isascii(*f) && islower(*f)) + *f = toupper(*f); +#if _FFR_SS_PER_DAEMON + d->d_supersafe = SAFE_NOTSET; +#endif /* _FFR_SS_PER_DAEMON */ +#if _FFR_DM_PER_DAEMON + d->d_dm = DM_NOTSET; +#endif /* _FFR_DM_PER_DAEMON */ + + switch (*f) + { + case 'A': /* address */ + addr = v; + break; + +#if _FFR_DM_PER_DAEMON + case 'D': /* DeliveryMode */ + switch (*v) + { + case SM_QUEUE: + case SM_DEFER: + case SM_DELIVER: + case SM_FORK: + d->d_dm = *v; + break; + default: + syserr("554 5.3.5 Unknown delivery mode %c", + *v); + break; + } + break; +#endif /* _FFR_DM_PER_DAEMON */ + + case 'F': /* address family */ + if (isascii(*v) && isdigit(*v)) + d->d_addr.sa.sa_family = atoi(v); +#if _FFR_DAEMON_NETUNIX +# ifdef NETUNIX + else if (sm_strcasecmp(v, "unix") == 0 || + sm_strcasecmp(v, "local") == 0) + d->d_addr.sa.sa_family = AF_UNIX; +# endif /* NETUNIX */ +#endif /* _FFR_DAEMON_NETUNIX */ +#if NETINET + else if (sm_strcasecmp(v, "inet") == 0) + d->d_addr.sa.sa_family = AF_INET; +#endif /* NETINET */ +#if NETINET6 + else if (sm_strcasecmp(v, "inet6") == 0) + d->d_addr.sa.sa_family = AF_INET6; +#endif /* NETINET6 */ +#if NETISO + else if (sm_strcasecmp(v, "iso") == 0) + d->d_addr.sa.sa_family = AF_ISO; +#endif /* NETISO */ +#if NETNS + else if (sm_strcasecmp(v, "ns") == 0) + d->d_addr.sa.sa_family = AF_NS; +#endif /* NETNS */ +#if NETX25 + else if (sm_strcasecmp(v, "x.25") == 0) + d->d_addr.sa.sa_family = AF_CCITT; +#endif /* NETX25 */ + else + syserr("554 5.3.5 Unknown address family %s in Family=option", + v); + break; + +#if MILTER + case 'I': + d->d_inputfilterlist = v; + break; +#endif /* MILTER */ + + case 'L': /* listen queue size */ + d->d_listenqueue = atoi(v); + break; + + case 'M': /* modifiers (flags) */ + d->d_mflags = getmodifiers(v, d->d_flags); + break; + + case 'N': /* name */ + d->d_name = v; + break; + + case 'P': /* port */ + port = v; + break; + + case 'R': /* receive buffer size */ + d->d_tcprcvbufsize = atoi(v); + break; + + case 'S': /* send buffer size */ + d->d_tcpsndbufsize = atoi(v); + break; + +#if _FFR_SS_PER_DAEMON + case 'T': /* SuperSafe */ + if (tolower(*v) == 'i') + d->d_supersafe = SAFE_INTERACTIVE; + else if (tolower(*v) == 'p') +# if MILTER + d->d_supersafe = SAFE_REALLY_POSTMILTER; +# else /* MILTER */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: SuperSafe=PostMilter requires Milter support (-DMILTER)\n"); +# endif /* MILTER */ + else + d->d_supersafe = atobool(v) ? SAFE_REALLY + : SAFE_NO; + break; +#endif /* _FFR_SS_PER_DAEMON */ + + default: + syserr("554 5.3.5 PortOptions parameter \"%s\" unknown", + f); + } + } + + /* Check addr and port after finding family */ + if (addr != NULL) + { + switch (d->d_addr.sa.sa_family) + { +#if _FFR_DAEMON_NETUNIX +# if NETUNIX + case AF_UNIX: + if (strlen(addr) >= sizeof(d->d_addr.sunix.sun_path)) + { + errno = ENAMETOOLONG; + syserr("setsockaddroptions: domain socket name too long: %s > %d", + addr, sizeof(d->d_addr.sunix.sun_path)); + break; + } + + /* file safety check done in opendaemonsocket() */ + (void) memset(&d->d_addr.sunix.sun_path, '\0', + sizeof(d->d_addr.sunix.sun_path)); + (void) sm_strlcpy((char *)&d->d_addr.sunix.sun_path, + addr, + sizeof(d->d_addr.sunix.sun_path)); + break; +# endif /* NETUNIX */ +#endif /* _FFR_DAEMON_NETUNIX */ +#if NETINET + case AF_INET: + if (!isascii(*addr) || !isdigit(*addr) || + ((d->d_addr.sin.sin_addr.s_addr = inet_addr(addr)) + == INADDR_NONE)) + { + register struct hostent *hp; + + hp = sm_gethostbyname(addr, AF_INET); + if (hp == NULL) + syserr("554 5.3.0 host \"%s\" unknown", + addr); + else + { + while (*(hp->h_addr_list) != NULL && + hp->h_addrtype != AF_INET) + hp->h_addr_list++; + if (*(hp->h_addr_list) == NULL) + syserr("554 5.3.0 host \"%s\" unknown", + addr); + else + memmove(&d->d_addr.sin.sin_addr, + *(hp->h_addr_list), + INADDRSZ); +# if NETINET6 + freehostent(hp); + hp = NULL; +# endif /* NETINET6 */ + } + } + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (anynet_pton(AF_INET6, addr, + &d->d_addr.sin6.sin6_addr) != 1) + { + register struct hostent *hp; + + hp = sm_gethostbyname(addr, AF_INET6); + if (hp == NULL) + syserr("554 5.3.0 host \"%s\" unknown", + addr); + else + { + while (*(hp->h_addr_list) != NULL && + hp->h_addrtype != AF_INET6) + hp->h_addr_list++; + if (*(hp->h_addr_list) == NULL) + syserr("554 5.3.0 host \"%s\" unknown", + addr); + else + memmove(&d->d_addr.sin6.sin6_addr, + *(hp->h_addr_list), + IN6ADDRSZ); + freehostent(hp); + hp = NULL; + } + } + break; +#endif /* NETINET6 */ + + default: + syserr("554 5.3.5 address= option unsupported for family %d", + d->d_addr.sa.sa_family); + break; + } + } + + if (port != NULL) + { + switch (d->d_addr.sa.sa_family) + { +#if NETINET + case AF_INET: + if (isascii(*port) && isdigit(*port)) + d->d_addr.sin.sin_port = htons((unsigned short) + atoi((const char *) port)); + else + { +# ifdef NO_GETSERVBYNAME + syserr("554 5.3.5 invalid port number: %s", + port); +# else /* NO_GETSERVBYNAME */ + register struct servent *sp; + + sp = getservbyname(port, "tcp"); + if (sp == NULL) + syserr("554 5.3.5 service \"%s\" unknown", + port); + else + d->d_addr.sin.sin_port = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (isascii(*port) && isdigit(*port)) + d->d_addr.sin6.sin6_port = htons((unsigned short) + atoi(port)); + else + { +# ifdef NO_GETSERVBYNAME + syserr("554 5.3.5 invalid port number: %s", + port); +# else /* NO_GETSERVBYNAME */ + register struct servent *sp; + + sp = getservbyname(port, "tcp"); + if (sp == NULL) + syserr("554 5.3.5 service \"%s\" unknown", + port); + else + d->d_addr.sin6.sin6_port = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + break; +#endif /* NETINET6 */ + +#if NETISO + case AF_ISO: + /* assume two byte transport selector */ + if (isascii(*port) && isdigit(*port)) + portno = htons((unsigned short) atoi(port)); + else + { +# ifdef NO_GETSERVBYNAME + syserr("554 5.3.5 invalid port number: %s", + port); +# else /* NO_GETSERVBYNAME */ + register struct servent *sp; + + sp = getservbyname(port, "tcp"); + if (sp == NULL) + syserr("554 5.3.5 service \"%s\" unknown", + port); + else + portno = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + memmove(TSEL(&d->d_addr.siso), + (char *) &portno, 2); + break; +#endif /* NETISO */ + + default: + syserr("554 5.3.5 Port= option unsupported for family %d", + d->d_addr.sa.sa_family); + break; + } + } +} +/* +** SETDAEMONOPTIONS -- set options for running the MTA daemon +** +** Parameters: +** p -- the options line. +** +** Returns: +** true if successful, false otherwise. +** +** Side Effects: +** increments number of daemons. +*/ + +#define DEF_LISTENQUEUE 10 + +struct dflags +{ + char *d_name; + int d_flag; +}; + +static struct dflags DaemonFlags[] = +{ + { "AUTHREQ", D_AUTHREQ }, + { "BINDIF", D_BINDIF }, + { "CANONREQ", D_CANONREQ }, + { "IFNHELO", D_IFNHELO }, + { "FQMAIL", D_FQMAIL }, + { "FQRCPT", D_FQRCPT }, + { "SMTPS", D_SMTPS }, + { "UNQUALOK", D_UNQUALOK }, + { "NOAUTH", D_NOAUTH }, + { "NOCANON", D_NOCANON }, + { "NOETRN", D_NOETRN }, + { "NOTLS", D_NOTLS }, + { "ETRNONLY", D_ETRNONLY }, + { "OPTIONAL", D_OPTIONAL }, + { "DISABLE", D_DISABLE }, + { "ISSET", D_ISSET }, + { NULL, 0 } +}; + +static void +printdaemonflags(d) + DAEMON_T *d; +{ + register struct dflags *df; + bool first = true; + + for (df = DaemonFlags; df->d_name != NULL; df++) + { + if (!bitnset(df->d_flag, d->d_flags)) + continue; + if (first) + sm_dprintf("<%s", df->d_name); + else + sm_dprintf(",%s", df->d_name); + first = false; + } + if (!first) + sm_dprintf(">"); +} + +bool +setdaemonoptions(p) + register char *p; +{ + if (NDaemons >= MAXDAEMONS) + return false; + Daemons[NDaemons].d_socket = -1; + Daemons[NDaemons].d_listenqueue = DEF_LISTENQUEUE; + clrbitmap(Daemons[NDaemons].d_flags); + setsockaddroptions(p, &Daemons[NDaemons]); + +#if MILTER + if (Daemons[NDaemons].d_inputfilterlist != NULL) + Daemons[NDaemons].d_inputfilterlist = newstr(Daemons[NDaemons].d_inputfilterlist); +#endif /* MILTER */ + + if (Daemons[NDaemons].d_name != NULL) + Daemons[NDaemons].d_name = newstr(Daemons[NDaemons].d_name); + else + { + char num[30]; + + (void) sm_snprintf(num, sizeof num, "Daemon%d", NDaemons); + Daemons[NDaemons].d_name = newstr(num); + } + + if (tTd(37, 1)) + { + sm_dprintf("Daemon %s flags: ", Daemons[NDaemons].d_name); + printdaemonflags(&Daemons[NDaemons]); + sm_dprintf("\n"); + } + ++NDaemons; + return true; +} +/* +** INITDAEMON -- initialize daemon if not yet done. +** +** Parameters: +** none +** +** Returns: +** none +** +** Side Effects: +** initializes structure for one daemon. +*/ + +void +initdaemon() +{ + if (NDaemons == 0) + { + Daemons[NDaemons].d_socket = -1; + Daemons[NDaemons].d_listenqueue = DEF_LISTENQUEUE; + Daemons[NDaemons].d_name = "Daemon0"; + NDaemons = 1; + } +} +/* +** SETCLIENTOPTIONS -- set options for running the client +** +** Parameters: +** p -- the options line. +** +** Returns: +** none. +*/ + +static DAEMON_T ClientSettings[AF_MAX + 1]; + +void +setclientoptions(p) + register char *p; +{ + int family; + DAEMON_T d; + + memset(&d, '\0', sizeof d); + setsockaddroptions(p, &d); + + /* grab what we need */ + family = d.d_addr.sa.sa_family; + STRUCTCOPY(d, ClientSettings[family]); + setbitn(D_ISSET, ClientSettings[family].d_flags); /* mark as set */ + if (d.d_name != NULL) + ClientSettings[family].d_name = newstr(d.d_name); + else + { + char num[30]; + + (void) sm_snprintf(num, sizeof num, "Client%d", family); + ClientSettings[family].d_name = newstr(num); + } +} +/* +** ADDR_FAMILY -- determine address family from address +** +** Parameters: +** addr -- the string representation of the address +** +** Returns: +** AF_INET, AF_INET6 or AF_UNSPEC +** +** Side Effects: +** none. +*/ + +static int +addr_family(addr) + char *addr; +{ +#if NETINET6 + SOCKADDR clt_addr; +#endif /* NETINET6 */ + +#if NETINET + if (inet_addr(addr) != INADDR_NONE) + { + if (tTd(16, 9)) + sm_dprintf("addr_family(%s): INET\n", addr); + return AF_INET; + } +#endif /* NETINET */ +#if NETINET6 + if (anynet_pton(AF_INET6, addr, &clt_addr.sin6.sin6_addr) == 1) + { + if (tTd(16, 9)) + sm_dprintf("addr_family(%s): INET6\n", addr); + return AF_INET6; + } +#endif /* NETINET6 */ +#if _FFR_DAEMON_NETUNIX +# if NETUNIX + if (*addr == '/') + { + if (tTd(16, 9)) + sm_dprintf("addr_family(%s): LOCAL\n", addr); + return AF_UNIX; + } +# endif /* NETUNIX */ +#endif /* _FFR_DAEMON_NETUNIX */ + if (tTd(16, 9)) + sm_dprintf("addr_family(%s): UNSPEC\n", addr); + return AF_UNSPEC; +} + +/* +** CHKCLIENTMODIFIERS -- check whether all clients have set a flag. +** +** Parameters: +** flag -- the flag to test. +** +** Returns: +** true iff all configured clients have set the flag. +*/ + +bool +chkclientmodifiers(flag) + int flag; +{ + int i; + bool flagisset; + + flagisset = false; + for (i = 0; i < AF_MAX; i++) + { + if (bitnset(D_ISSET, ClientSettings[i].d_flags)) + { + if (!bitnset((char) flag, ClientSettings[i].d_flags)) + return false; + flagisset = true; + } + } + return flagisset; +} + +#if MILTER +/* +** SETUP_DAEMON_FILTERS -- Parse per-socket filters +** +** Parameters: +** none +** +** Returns: +** none +*/ + +void +setup_daemon_milters() +{ + int idx; + + if (OpMode == MD_SMTP) + { + /* no need to configure the daemons */ + return; + } + + for (idx = 0; idx < NDaemons; idx++) + { + if (Daemons[idx].d_inputfilterlist != NULL) + { + milter_config(Daemons[idx].d_inputfilterlist, + Daemons[idx].d_inputfilters, + MAXFILTERS); + } + } +} +#endif /* MILTER */ +/* +** MAKECONNECTION -- make a connection to an SMTP socket on a machine. +** +** Parameters: +** host -- the name of the host. +** port -- the port number to connect to. +** mci -- a pointer to the mail connection information +** structure to be filled in. +** e -- the current envelope. +** enough -- time at which to stop further connection attempts. +** (0 means no limit) +** +** Returns: +** An exit code telling whether the connection could be +** made and if not why not. +** +** Side Effects: +** none. +*/ + +static jmp_buf CtxConnectTimeout; + +SOCKADDR CurHostAddr; /* address of current host */ + +int +makeconnection(host, port, mci, e, enough) + char *host; + volatile unsigned int port; + register MCI *mci; + ENVELOPE *e; + time_t enough; +{ + register volatile int addrno = 0; + volatile int s; + register struct hostent *volatile hp = (struct hostent *) NULL; + SOCKADDR addr; + SOCKADDR clt_addr; + int save_errno = 0; + volatile SOCKADDR_LEN_T addrlen; + volatile bool firstconnect; + SM_EVENT *volatile ev = NULL; +#if NETINET6 + volatile bool v6found = false; +#endif /* NETINET6 */ + volatile int family = InetMode; + SOCKADDR_LEN_T len; + volatile SOCKADDR_LEN_T socksize = 0; + volatile bool clt_bind; + BITMAP256 d_flags; + char *p; + extern ENVELOPE BlankEnvelope; + + /* retranslate {daemon_flags} into bitmap */ + clrbitmap(d_flags); + if ((p = macvalue(macid("{daemon_flags}"), e)) != NULL) + { + for (; *p != '\0'; p++) + { + if (!(isascii(*p) && isspace(*p))) + setbitn(bitidx(*p), d_flags); + } + } + +#if NETINET6 + v4retry: +#endif /* NETINET6 */ + clt_bind = false; + + /* Set up the address for outgoing connection. */ + if (bitnset(D_BINDIF, d_flags) && + (p = macvalue(macid("{if_addr}"), e)) != NULL && + *p != '\0') + { +#if NETINET6 + char p6[INET6_ADDRSTRLEN]; +#endif /* NETINET6 */ + + memset(&clt_addr, '\0', sizeof clt_addr); + + /* infer the address family from the address itself */ + clt_addr.sa.sa_family = addr_family(p); + switch (clt_addr.sa.sa_family) + { +#if NETINET + case AF_INET: + clt_addr.sin.sin_addr.s_addr = inet_addr(p); + if (clt_addr.sin.sin_addr.s_addr != INADDR_NONE && + clt_addr.sin.sin_addr.s_addr != INADDR_LOOPBACK) + { + clt_bind = true; + socksize = sizeof (struct sockaddr_in); + } + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (inet_addr(p) != INADDR_NONE) + (void) sm_snprintf(p6, sizeof p6, + "IPv6:::ffff:%s", p); + else + (void) sm_strlcpy(p6, p, sizeof p6); + if (anynet_pton(AF_INET6, p6, + &clt_addr.sin6.sin6_addr) == 1 && + !IN6_IS_ADDR_LOOPBACK(&clt_addr.sin6.sin6_addr)) + { + clt_bind = true; + socksize = sizeof (struct sockaddr_in6); + } + break; +#endif /* NETINET6 */ + +#if 0 + default: + syserr("554 5.3.5 Address= option unsupported for family %d", + clt_addr.sa.sa_family); + break; +#endif /* 0 */ + } + if (clt_bind) + family = clt_addr.sa.sa_family; + } + + /* D_BINDIF not set or not available, fallback to ClientPortOptions */ + if (!clt_bind) + { + STRUCTCOPY(ClientSettings[family].d_addr, clt_addr); + switch (clt_addr.sa.sa_family) + { +#if NETINET + case AF_INET: + if (clt_addr.sin.sin_addr.s_addr == 0) + clt_addr.sin.sin_addr.s_addr = INADDR_ANY; + else + clt_bind = true; + if (clt_addr.sin.sin_port != 0) + clt_bind = true; + socksize = sizeof (struct sockaddr_in); + break; +#endif /* NETINET */ +#if NETINET6 + case AF_INET6: + if (IN6_IS_ADDR_UNSPECIFIED(&clt_addr.sin6.sin6_addr)) + clt_addr.sin6.sin6_addr = in6addr_any; + else + clt_bind = true; + socksize = sizeof (struct sockaddr_in6); + if (clt_addr.sin6.sin6_port != 0) + clt_bind = true; + break; +#endif /* NETINET6 */ +#if NETISO + case AF_ISO: + socksize = sizeof clt_addr.siso; + clt_bind = true; + break; +#endif /* NETISO */ + default: + break; + } + } + + /* + ** Set up the address for the mailer. + ** Accept "[a.b.c.d]" syntax for host name. + */ + + SM_SET_H_ERRNO(0); + errno = 0; + memset(&CurHostAddr, '\0', sizeof CurHostAddr); + memset(&addr, '\0', sizeof addr); + SmtpPhase = mci->mci_phase = "initial connection"; + CurHostName = host; + + if (host[0] == '[') + { + p = strchr(host, ']'); + if (p != NULL) + { +#if NETINET + unsigned long hid = INADDR_NONE; +#endif /* NETINET */ +#if NETINET6 + struct sockaddr_in6 hid6; +#endif /* NETINET6 */ + + *p = '\0'; +#if NETINET6 + memset(&hid6, '\0', sizeof hid6); +#endif /* NETINET6 */ +#if NETINET + if (family == AF_INET && + (hid = inet_addr(&host[1])) != INADDR_NONE) + { + addr.sin.sin_family = AF_INET; + addr.sin.sin_addr.s_addr = hid; + } + else +#endif /* NETINET */ +#if NETINET6 + if (family == AF_INET6 && + anynet_pton(AF_INET6, &host[1], + &hid6.sin6_addr) == 1) + { + addr.sin6.sin6_family = AF_INET6; + addr.sin6.sin6_addr = hid6.sin6_addr; + } + else +#endif /* NETINET6 */ + { + /* try it as a host name (avoid MX lookup) */ + hp = sm_gethostbyname(&host[1], family); + if (hp == NULL && p[-1] == '.') + { +#if NAMED_BIND + int oldopts = _res.options; + + _res.options &= ~(RES_DEFNAMES|RES_DNSRCH); +#endif /* NAMED_BIND */ + p[-1] = '\0'; + hp = sm_gethostbyname(&host[1], + family); + p[-1] = '.'; +#if NAMED_BIND + _res.options = oldopts; +#endif /* NAMED_BIND */ + } + *p = ']'; + goto gothostent; + } + *p = ']'; + } + if (p == NULL) + { + extern char MsgBuf[]; + + usrerrenh("5.1.2", + "553 Invalid numeric domain spec \"%s\"", + host); + mci_setstat(mci, EX_NOHOST, "5.1.2", MsgBuf); + errno = EINVAL; + return EX_NOHOST; + } + } + else + { + /* contortion to get around SGI cc complaints */ + { + p = &host[strlen(host) - 1]; + hp = sm_gethostbyname(host, family); + if (hp == NULL && *p == '.') + { +#if NAMED_BIND + int oldopts = _res.options; + + _res.options &= ~(RES_DEFNAMES|RES_DNSRCH); +#endif /* NAMED_BIND */ + *p = '\0'; + hp = sm_gethostbyname(host, family); + *p = '.'; +#if NAMED_BIND + _res.options = oldopts; +#endif /* NAMED_BIND */ + } + } +gothostent: + if (hp == NULL) + { +#if NAMED_BIND + /* check for name server timeouts */ +# if NETINET6 + if (WorkAroundBrokenAAAA && family == AF_INET6 && + errno == ETIMEDOUT) + { + /* + ** An attempt with family AF_INET may + ** succeed By skipping the next section + ** of code, we will try AF_INET before + ** failing. + */ + + if (tTd(16, 10)) + sm_dprintf("makeconnection: WorkAroundBrokenAAAA: Trying AF_INET lookup (AF_INET6 failed)\n"); + } + else +# endif /* NETINET6 */ + { + if (errno == ETIMEDOUT || + h_errno == TRY_AGAIN || + (errno == ECONNREFUSED && UseNameServer)) + { + save_errno = errno; + mci_setstat(mci, EX_TEMPFAIL, + "4.4.3", NULL); + errno = save_errno; + return EX_TEMPFAIL; + } + } +#endif /* NAMED_BIND */ +#if NETINET6 + /* + ** Try v6 first, then fall back to v4. + ** If we found a v6 address, but no v4 + ** addresses, then TEMPFAIL. + */ + + if (family == AF_INET6) + { + family = AF_INET; + goto v4retry; + } + if (v6found) + goto v6tempfail; +#endif /* NETINET6 */ + save_errno = errno; + mci_setstat(mci, EX_NOHOST, "5.1.2", NULL); + errno = save_errno; + return EX_NOHOST; + } + addr.sa.sa_family = hp->h_addrtype; + switch (hp->h_addrtype) + { +#if NETINET + case AF_INET: + memmove(&addr.sin.sin_addr, + hp->h_addr, + INADDRSZ); + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + hp->h_addr, + IN6ADDRSZ); + break; +#endif /* NETINET6 */ + + default: + if (hp->h_length > sizeof addr.sa.sa_data) + { + syserr("makeconnection: long sa_data: family %d len %d", + hp->h_addrtype, hp->h_length); + mci_setstat(mci, EX_NOHOST, "5.1.2", NULL); + errno = EINVAL; + return EX_NOHOST; + } + memmove(addr.sa.sa_data, hp->h_addr, hp->h_length); + break; + } + addrno = 1; + } + + /* + ** Determine the port number. + */ + + if (port == 0) + { +#ifdef NO_GETSERVBYNAME + port = htons(25); +#else /* NO_GETSERVBYNAME */ + register struct servent *sp = getservbyname("smtp", "tcp"); + + if (sp == NULL) + { + if (LogLevel > 2) + sm_syslog(LOG_ERR, NOQID, + "makeconnection: service \"smtp\" unknown"); + port = htons(25); + } + else + port = sp->s_port; +#endif /* NO_GETSERVBYNAME */ + } + +#if NETINET6 + if (addr.sa.sa_family == AF_INET6 && + IN6_IS_ADDR_V4MAPPED(&addr.sin6.sin6_addr) && + ClientSettings[AF_INET].d_addr.sa.sa_family != 0) + { + /* + ** Ignore mapped IPv4 address since + ** there is a ClientPortOptions setting + ** for IPv4. + */ + + goto nextaddr; + } +#endif /* NETINET6 */ + + switch (addr.sa.sa_family) + { +#if NETINET + case AF_INET: + addr.sin.sin_port = port; + addrlen = sizeof (struct sockaddr_in); + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + addr.sin6.sin6_port = port; + addrlen = sizeof (struct sockaddr_in6); + break; +#endif /* NETINET6 */ + +#if NETISO + case AF_ISO: + /* assume two byte transport selector */ + memmove(TSEL((struct sockaddr_iso *) &addr), (char *) &port, 2); + addrlen = sizeof (struct sockaddr_iso); + break; +#endif /* NETISO */ + + default: + syserr("Can't connect to address family %d", addr.sa.sa_family); + mci_setstat(mci, EX_NOHOST, "5.1.2", NULL); + errno = EINVAL; +#if NETINET6 + if (hp != NULL) + freehostent(hp); +#endif /* NETINET6 */ + return EX_NOHOST; + } + + /* + ** Try to actually open the connection. + */ + +#if XLA + /* if too many connections, don't bother trying */ + if (!xla_noqueue_ok(host)) + { +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return EX_TEMPFAIL; + } +#endif /* XLA */ + + firstconnect = true; + for (;;) + { + if (tTd(16, 1)) + sm_dprintf("makeconnection (%s [%s].%d (%d))\n", + host, anynet_ntoa(&addr), ntohs(port), + (int) addr.sa.sa_family); + + /* save for logging */ + CurHostAddr = addr; + +#if HASRRESVPORT + if (bitnset(M_SECURE_PORT, mci->mci_mailer->m_flags)) + { + int rport = IPPORT_RESERVED - 1; + + s = rresvport(&rport); + } + else +#endif /* HASRRESVPORT */ + { + s = socket(addr.sa.sa_family, SOCK_STREAM, 0); + } + if (s < 0) + { + save_errno = errno; + syserr("makeconnection: cannot create socket"); +#if XLA + xla_host_end(host); +#endif /* XLA */ + mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL); +#if NETINET6 + if (hp != NULL) + freehostent(hp); +#endif /* NETINET6 */ + errno = save_errno; + return EX_TEMPFAIL; + } + +#ifdef SO_SNDBUF + if (ClientSettings[family].d_tcpsndbufsize > 0) + { + if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, + (char *) &ClientSettings[family].d_tcpsndbufsize, + sizeof(ClientSettings[family].d_tcpsndbufsize)) < 0) + syserr("makeconnection: setsockopt(SO_SNDBUF)"); + } +#endif /* SO_SNDBUF */ +#ifdef SO_RCVBUF + if (ClientSettings[family].d_tcprcvbufsize > 0) + { + if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, + (char *) &ClientSettings[family].d_tcprcvbufsize, + sizeof(ClientSettings[family].d_tcprcvbufsize)) < 0) + syserr("makeconnection: setsockopt(SO_RCVBUF)"); + } +#endif /* SO_RCVBUF */ + + if (tTd(16, 1)) + sm_dprintf("makeconnection: fd=%d\n", s); + + /* turn on network debugging? */ + if (tTd(16, 101)) + { + int on = 1; + + (void) setsockopt(s, SOL_SOCKET, SO_DEBUG, + (char *)&on, sizeof on); + } + if (e->e_xfp != NULL) /* for debugging */ + (void) sm_io_flush(e->e_xfp, SM_TIME_DEFAULT); + errno = 0; /* for debugging */ + + if (clt_bind) + { + int on = 1; + + switch (clt_addr.sa.sa_family) + { +#if NETINET + case AF_INET: + if (clt_addr.sin.sin_port != 0) + (void) setsockopt(s, SOL_SOCKET, + SO_REUSEADDR, + (char *) &on, + sizeof on); + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (clt_addr.sin6.sin6_port != 0) + (void) setsockopt(s, SOL_SOCKET, + SO_REUSEADDR, + (char *) &on, + sizeof on); + break; +#endif /* NETINET6 */ + } + + if (bind(s, &clt_addr.sa, socksize) < 0) + { + save_errno = errno; + (void) close(s); + errno = save_errno; + syserr("makeconnection: cannot bind socket [%s]", + anynet_ntoa(&clt_addr)); +#if NETINET6 + if (hp != NULL) + freehostent(hp); +#endif /* NETINET6 */ + errno = save_errno; + return EX_TEMPFAIL; + } + } + + /* + ** Linux seems to hang in connect for 90 minutes (!!!). + ** Time out the connect to avoid this problem. + */ + + if (setjmp(CtxConnectTimeout) == 0) + { + int i; + + if (e->e_ntries <= 0 && TimeOuts.to_iconnect != 0) + ev = sm_setevent(TimeOuts.to_iconnect, + connecttimeout, 0); + else if (TimeOuts.to_connect != 0) + ev = sm_setevent(TimeOuts.to_connect, + connecttimeout, 0); + else + ev = NULL; + + switch (ConnectOnlyTo.sa.sa_family) + { +#if NETINET + case AF_INET: + addr.sin.sin_addr.s_addr = ConnectOnlyTo.sin.sin_addr.s_addr; + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + &ConnectOnlyTo.sin6.sin6_addr, + IN6ADDRSZ); + break; +#endif /* NETINET6 */ + } + if (tTd(16, 1)) + sm_dprintf("Connecting to [%s]...\n", anynet_ntoa(&addr)); + i = connect(s, (struct sockaddr *) &addr, addrlen); + save_errno = errno; + if (ev != NULL) + sm_clrevent(ev); + if (i >= 0) + break; + } + else + save_errno = errno; + + /* couldn't connect.... figure out why */ + (void) close(s); + + /* if running demand-dialed connection, try again */ + if (DialDelay > 0 && firstconnect && + bitnset(M_DIALDELAY, mci->mci_mailer->m_flags)) + { + if (tTd(16, 1)) + sm_dprintf("Connect failed (%s); trying again...\n", + sm_errstring(save_errno)); + firstconnect = false; + (void) sleep(DialDelay); + continue; + } + + if (LogLevel > 13) + sm_syslog(LOG_INFO, e->e_id, + "makeconnection (%s [%s]) failed: %s", + host, anynet_ntoa(&addr), + sm_errstring(save_errno)); + +#if NETINET6 +nextaddr: +#endif /* NETINET6 */ + if (hp != NULL && hp->h_addr_list[addrno] != NULL && + (enough == 0 || curtime() < enough)) + { + if (tTd(16, 1)) + sm_dprintf("Connect failed (%s); trying new address....\n", + sm_errstring(save_errno)); + switch (addr.sa.sa_family) + { +#if NETINET + case AF_INET: + memmove(&addr.sin.sin_addr, + hp->h_addr_list[addrno++], + INADDRSZ); + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + hp->h_addr_list[addrno++], + IN6ADDRSZ); + break; +#endif /* NETINET6 */ + + default: + memmove(addr.sa.sa_data, + hp->h_addr_list[addrno++], + hp->h_length); + break; + } + continue; + } + errno = save_errno; + +#if NETINET6 + if (family == AF_INET6) + { + if (tTd(16, 1)) + sm_dprintf("Connect failed (%s); retrying with AF_INET....\n", + sm_errstring(save_errno)); + v6found = true; + family = AF_INET; + if (hp != NULL) + { + freehostent(hp); + hp = NULL; + } + goto v4retry; + } + v6tempfail: +#endif /* NETINET6 */ + /* couldn't open connection */ +#if NETINET6 + /* Don't clobber an already saved errno from v4retry */ + if (errno > 0) +#endif /* NETINET6 */ + save_errno = errno; + if (tTd(16, 1)) + sm_dprintf("Connect failed (%s)\n", + sm_errstring(save_errno)); +#if XLA + xla_host_end(host); +#endif /* XLA */ + mci_setstat(mci, EX_TEMPFAIL, "4.4.1", NULL); +#if NETINET6 + if (hp != NULL) + freehostent(hp); +#endif /* NETINET6 */ + errno = save_errno; + return EX_TEMPFAIL; + } + +#if NETINET6 + if (hp != NULL) + { + freehostent(hp); + hp = NULL; + } +#endif /* NETINET6 */ + + /* connection ok, put it into canonical form */ + mci->mci_out = NULL; + if ((mci->mci_out = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &s, + SM_IO_WRONLY_B, NULL)) == NULL || + (s = dup(s)) < 0 || + (mci->mci_in = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &s, + SM_IO_RDONLY_B, NULL)) == NULL) + { + save_errno = errno; + syserr("cannot open SMTP client channel, fd=%d", s); + mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL); + if (mci->mci_out != NULL) + (void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT); + (void) close(s); + errno = save_errno; + return EX_TEMPFAIL; + } + sm_io_automode(mci->mci_out, mci->mci_in); + + /* set {client_flags} */ + if (ClientSettings[addr.sa.sa_family].d_mflags != NULL) + { + macdefine(&mci->mci_macro, A_PERM, + macid("{client_flags}"), + ClientSettings[addr.sa.sa_family].d_mflags); + } + else + macdefine(&mci->mci_macro, A_PERM, + macid("{client_flags}"), ""); + + /* "add" {client_flags} to bitmap */ + if (bitnset(D_IFNHELO, ClientSettings[addr.sa.sa_family].d_flags)) + { + /* look for just this one flag */ + setbitn(D_IFNHELO, d_flags); + } + + /* find out name for Interface through which we connect */ + len = sizeof addr; + if (getsockname(s, &addr.sa, &len) == 0) + { + char *name; + char family[5]; + + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{if_addr_out}"), anynet_ntoa(&addr)); + (void) sm_snprintf(family, sizeof(family), "%d", + addr.sa.sa_family); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{if_family_out}"), family); + + name = hostnamebyanyaddr(&addr); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{if_name_out}"), name); + if (LogLevel > 11) + { + /* log connection information */ + sm_syslog(LOG_INFO, e->e_id, + "SMTP outgoing connect on %.40s", name); + } + if (bitnset(D_IFNHELO, d_flags)) + { + if (name[0] != '[' && strchr(name, '.') != NULL) + mci->mci_heloname = newstr(name); + } + } + else + { + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{if_name_out}"), NULL); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{if_addr_out}"), NULL); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{if_family_out}"), NULL); + } + +#if _FFR_HELONAME + /* Use the configured HeloName as appropriate */ + if (HeloName != NULL && HeloName[0] != '\0') + mci->mci_heloname = newstr(HeloName); +#endif /* _FFR_HELONAME */ + + mci_setstat(mci, EX_OK, NULL, NULL); + return EX_OK; +} + +static void +connecttimeout(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(CtxConnectTimeout, 1); +} +/* +** MAKECONNECTION_DS -- make a connection to a domain socket. +** +** Parameters: +** mux_path -- the path of the socket to connect to. +** mci -- a pointer to the mail connection information +** structure to be filled in. +** +** Returns: +** An exit code telling whether the connection could be +** made and if not why not. +** +** Side Effects: +** none. +*/ + +#if NETUNIX +int +makeconnection_ds(mux_path, mci) + char *mux_path; + register MCI *mci; +{ + int sock; + int rval, save_errno; + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_ROOTOK|SFF_EXECOK; + struct sockaddr_un unix_addr; + + /* if not safe, don't connect */ + rval = safefile(mux_path, RunAsUid, RunAsGid, RunAsUserName, + sff, S_IRUSR|S_IWUSR, NULL); + + if (rval != 0) + { + syserr("makeconnection_ds: unsafe domain socket %s", + mux_path); + mci_setstat(mci, EX_TEMPFAIL, "4.3.5", NULL); + errno = rval; + return EX_TEMPFAIL; + } + + /* prepare address structure */ + memset(&unix_addr, '\0', sizeof unix_addr); + unix_addr.sun_family = AF_UNIX; + + if (strlen(mux_path) >= sizeof unix_addr.sun_path) + { + syserr("makeconnection_ds: domain socket name %s too long", + mux_path); + + /* XXX why TEMPFAIL but 5.x.y ? */ + mci_setstat(mci, EX_TEMPFAIL, "5.3.5", NULL); + errno = ENAMETOOLONG; + return EX_UNAVAILABLE; + } + (void) sm_strlcpy(unix_addr.sun_path, mux_path, + sizeof unix_addr.sun_path); + + /* initialize domain socket */ + sock = socket(AF_UNIX, SOCK_STREAM, 0); + if (sock == -1) + { + save_errno = errno; + syserr("makeconnection_ds: could not create domain socket %s", + mux_path); + mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL); + errno = save_errno; + return EX_TEMPFAIL; + } + + /* connect to server */ + if (connect(sock, (struct sockaddr *) &unix_addr, + sizeof(unix_addr)) == -1) + { + save_errno = errno; + syserr("Could not connect to socket %s", mux_path); + mci_setstat(mci, EX_TEMPFAIL, "4.4.1", NULL); + (void) close(sock); + errno = save_errno; + return EX_TEMPFAIL; + } + + /* connection ok, put it into canonical form */ + mci->mci_out = NULL; + if ((mci->mci_out = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &sock, SM_IO_WRONLY_B, NULL)) + == NULL + || (sock = dup(sock)) < 0 || + (mci->mci_in = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &sock, SM_IO_RDONLY_B, NULL)) + == NULL) + { + save_errno = errno; + syserr("cannot open SMTP client channel, fd=%d", sock); + mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL); + if (mci->mci_out != NULL) + (void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT); + (void) close(sock); + errno = save_errno; + return EX_TEMPFAIL; + } + sm_io_automode(mci->mci_out, mci->mci_in); + + mci_setstat(mci, EX_OK, NULL, NULL); + errno = 0; + return EX_OK; +} +#endif /* NETUNIX */ +/* +** SHUTDOWN_DAEMON -- Performs a clean shutdown of the daemon +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** closes control socket, exits. +*/ + +void +shutdown_daemon() +{ + int i; + char *reason; + + sm_allsignals(true); + + reason = ShutdownRequest; + ShutdownRequest = NULL; + PendingSignal = 0; + + if (LogLevel > 9) + sm_syslog(LOG_INFO, CurEnv->e_id, "stopping daemon, reason=%s", + reason == NULL ? "implicit call" : reason); + + FileName = NULL; + closecontrolsocket(true); +#if XLA + xla_all_end(); +#endif /* XLA */ + + for (i = 0; i < NDaemons; i++) + { + if (Daemons[i].d_socket >= 0) + { + (void) close(Daemons[i].d_socket); + Daemons[i].d_socket = -1; + +#if _FFR_DAEMON_NETUNIX +# if NETUNIX + /* Remove named sockets */ + if (Daemons[i].d_addr.sa.sa_family == AF_UNIX) + { + int rval; + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_MUSTOWN|SFF_EXECOK|SFF_CREAT; + + /* if not safe, don't use it */ + rval = safefile(Daemons[i].d_addr.sunix.sun_path, + RunAsUid, RunAsGid, + RunAsUserName, sff, + S_IRUSR|S_IWUSR, NULL); + if (rval == 0 && + unlink(Daemons[i].d_addr.sunix.sun_path) < 0) + { + sm_syslog(LOG_WARNING, NOQID, + "Could not remove daemon %s socket: %s: %s", + Daemons[i].d_name, + Daemons[i].d_addr.sunix.sun_path, + sm_errstring(errno)); + } + } +# endif /* NETUNIX */ +#endif /* _FFR_DAEMON_NETUNIX */ + } + } + + finis(false, true, EX_OK); +} +/* +** RESTART_DAEMON -- Performs a clean restart of the daemon +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** restarts the daemon or exits if restart fails. +*/ + +/* Make a non-DFL/IGN signal a noop */ +#define SM_NOOP_SIGNAL(sig, old) \ +do \ +{ \ + (old) = sm_signal((sig), sm_signal_noop); \ + if ((old) == SIG_IGN || (old) == SIG_DFL) \ + (void) sm_signal((sig), (old)); \ +} while (0) + +void +restart_daemon() +{ + bool drop; + int save_errno; + char *reason; + sigfunc_t ignore, oalrm, ousr1; + extern int DtableSize; + + /* clear the events to turn off SIGALRMs */ + sm_clear_events(); + sm_allsignals(true); + + reason = RestartRequest; + RestartRequest = NULL; + PendingSignal = 0; + + if (SaveArgv[0][0] != '/') + { + if (LogLevel > 3) + sm_syslog(LOG_INFO, NOQID, + "could not restart: need full path"); + finis(false, true, EX_OSFILE); + /* NOTREACHED */ + } + if (LogLevel > 3) + sm_syslog(LOG_INFO, NOQID, "restarting %s due to %s", + SaveArgv[0], + reason == NULL ? "implicit call" : reason); + + closecontrolsocket(true); +#if SM_CONF_SHM + cleanup_shm(DaemonPid == getpid()); +#endif /* SM_CONF_SHM */ + + /* close locked pid file */ + close_sendmail_pid(); + + /* + ** Want to drop to the user who started the process in all cases + ** *but* when running as "smmsp" for the clientmqueue queue run + ** daemon. In that case, UseMSP will be true, RunAsUid should not + ** be root, and RealUid should be either 0 or RunAsUid. + */ + + drop = !(UseMSP && RunAsUid != 0 && + (RealUid == 0 || RealUid == RunAsUid)); + + if (drop_privileges(drop) != EX_OK) + { + if (LogLevel > 0) + sm_syslog(LOG_ALERT, NOQID, + "could not drop privileges: %s", + sm_errstring(errno)); + finis(false, true, EX_OSERR); + /* NOTREACHED */ + } + + sm_close_on_exec(STDERR_FILENO + 1, DtableSize); + + /* + ** Need to allow signals before execve() to make them "harmless". + ** However, the default action can be "terminate", so it isn't + ** really harmless. Setting signals to IGN will cause them to be + ** ignored in the new process to, so that isn't a good alternative. + */ + + SM_NOOP_SIGNAL(SIGALRM, oalrm); + SM_NOOP_SIGNAL(SIGCHLD, ignore); + SM_NOOP_SIGNAL(SIGHUP, ignore); + SM_NOOP_SIGNAL(SIGINT, ignore); + SM_NOOP_SIGNAL(SIGPIPE, ignore); + SM_NOOP_SIGNAL(SIGTERM, ignore); +#ifdef SIGUSR1 + SM_NOOP_SIGNAL(SIGUSR1, ousr1); +#endif /* SIGUSR1 */ + + /* Turn back on signals */ + sm_allsignals(false); + + (void) execve(SaveArgv[0], (ARGV_T) SaveArgv, (ARGV_T) ExternalEnviron); + save_errno = errno; + + /* block signals again and restore needed signals */ + sm_allsignals(true); + + /* For finis() events */ + (void) sm_signal(SIGALRM, oalrm); + +#ifdef SIGUSR1 + /* For debugging finis() */ + (void) sm_signal(SIGUSR1, ousr1); +#endif /* SIGUSR1 */ + + errno = save_errno; + if (LogLevel > 0) + sm_syslog(LOG_ALERT, NOQID, "could not exec %s: %s", + SaveArgv[0], sm_errstring(errno)); + finis(false, true, EX_OSFILE); + /* NOTREACHED */ +} +/* +** MYHOSTNAME -- return the name of this host. +** +** Parameters: +** hostbuf -- a place to return the name of this host. +** size -- the size of hostbuf. +** +** Returns: +** A list of aliases for this host. +** +** Side Effects: +** Adds numeric codes to $=w. +*/ + +struct hostent * +myhostname(hostbuf, size) + char hostbuf[]; + int size; +{ + register struct hostent *hp; + + if (gethostname(hostbuf, size) < 0 || hostbuf[0] == '\0') + (void) sm_strlcpy(hostbuf, "localhost", size); + hp = sm_gethostbyname(hostbuf, InetMode); +#if NETINET && NETINET6 + if (hp == NULL && InetMode == AF_INET6) + { + /* + ** It's possible that this IPv6 enabled machine doesn't + ** actually have any IPv6 interfaces and, therefore, no + ** IPv6 addresses. Fall back to AF_INET. + */ + + hp = sm_gethostbyname(hostbuf, AF_INET); + } +#endif /* NETINET && NETINET6 */ + if (hp == NULL) + return NULL; + if (strchr(hp->h_name, '.') != NULL || strchr(hostbuf, '.') == NULL) + (void) cleanstrcpy(hostbuf, hp->h_name, size); + +#if NETINFO + if (strchr(hostbuf, '.') == NULL) + { + char *domainname; + + domainname = ni_propval("/locations", NULL, "resolver", + "domain", '\0'); + if (domainname != NULL && + strlen(domainname) + strlen(hostbuf) + 1 < size) + (void) sm_strlcat2(hostbuf, ".", domainname, size); + } +#endif /* NETINFO */ + + /* + ** If there is still no dot in the name, try looking for a + ** dotted alias. + */ + + if (strchr(hostbuf, '.') == NULL) + { + char **ha; + + for (ha = hp->h_aliases; ha != NULL && *ha != NULL; ha++) + { + if (strchr(*ha, '.') != NULL) + { + (void) cleanstrcpy(hostbuf, *ha, size - 1); + hostbuf[size - 1] = '\0'; + break; + } + } + } + + /* + ** If _still_ no dot, wait for a while and try again -- it is + ** possible that some service is starting up. This can result + ** in excessive delays if the system is badly configured, but + ** there really isn't a way around that, particularly given that + ** the config file hasn't been read at this point. + ** All in all, a bit of a mess. + */ + + if (strchr(hostbuf, '.') == NULL && + !getcanonname(hostbuf, size, true, NULL)) + { + sm_syslog(LOG_CRIT, NOQID, + "My unqualified host name (%s) unknown; sleeping for retry", + hostbuf); + message("My unqualified host name (%s) unknown; sleeping for retry", + hostbuf); + (void) sleep(60); + if (!getcanonname(hostbuf, size, true, NULL)) + { + sm_syslog(LOG_ALERT, NOQID, + "unable to qualify my own domain name (%s) -- using short name", + hostbuf); + message("WARNING: unable to qualify my own domain name (%s) -- using short name", + hostbuf); + } + } + return hp; +} +/* +** ADDRCMP -- compare two host addresses +** +** Parameters: +** hp -- hostent structure for the first address +** ha -- actual first address +** sa -- second address +** +** Returns: +** 0 -- if ha and sa match +** else -- they don't match +*/ + +static int +addrcmp(hp, ha, sa) + struct hostent *hp; + char *ha; + SOCKADDR *sa; +{ +#if NETINET6 + unsigned char *a; +#endif /* NETINET6 */ + + switch (sa->sa.sa_family) + { +#if NETINET + case AF_INET: + if (hp->h_addrtype == AF_INET) + return memcmp(ha, (char *) &sa->sin.sin_addr, INADDRSZ); + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + a = (unsigned char *) &sa->sin6.sin6_addr; + + /* Straight binary comparison */ + if (hp->h_addrtype == AF_INET6) + return memcmp(ha, a, IN6ADDRSZ); + + /* If IPv4-mapped IPv6 address, compare the IPv4 section */ + if (hp->h_addrtype == AF_INET && + IN6_IS_ADDR_V4MAPPED(&sa->sin6.sin6_addr)) + return memcmp(a + IN6ADDRSZ - INADDRSZ, ha, INADDRSZ); + break; +#endif /* NETINET6 */ + } + return -1; +} +/* +** GETAUTHINFO -- get the real host name associated with a file descriptor +** +** Uses RFC1413 protocol to try to get info from the other end. +** +** Parameters: +** fd -- the descriptor +** may_be_forged -- an outage that is set to true if the +** forward lookup of RealHostName does not match +** RealHostAddr; set to false if they do match. +** +** Returns: +** The user@host information associated with this descriptor. +*/ + +static jmp_buf CtxAuthTimeout; + +static void +authtimeout(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(CtxAuthTimeout, 1); +} + +char * +getauthinfo(fd, may_be_forged) + int fd; + bool *may_be_forged; +{ + unsigned short SM_NONVOLATILE port = 0; + SOCKADDR_LEN_T falen; + register char *volatile p = NULL; + SOCKADDR la; + SOCKADDR_LEN_T lalen; +#ifndef NO_GETSERVBYNAME + register struct servent *sp; +# if NETINET + static unsigned short port4 = 0; +# endif /* NETINET */ +# if NETINET6 + static unsigned short port6 = 0; +# endif /* NETINET6 */ +#endif /* ! NO_GETSERVBYNAME */ + volatile int s; + int i = 0; + size_t len; + SM_EVENT *ev; + int nleft; + struct hostent *hp; + char *ostype = NULL; + char **ha; + char ibuf[MAXNAME + 1]; + static char hbuf[MAXNAME + MAXAUTHINFO + 11]; + + *may_be_forged = false; + falen = sizeof RealHostAddr; + if (isatty(fd) || (i = getpeername(fd, &RealHostAddr.sa, &falen)) < 0 || + falen <= 0 || RealHostAddr.sa.sa_family == 0) + { + if (i < 0) + { + /* + ** ENOTSOCK is OK: bail on anything else, but reset + ** errno in this case, so a mis-report doesn't + ** happen later. + */ + + if (errno != ENOTSOCK) + return NULL; + errno = 0; + } + (void) sm_strlcpyn(hbuf, sizeof hbuf, 2, RealUserName, + "@localhost"); + if (tTd(9, 1)) + sm_dprintf("getauthinfo: %s\n", hbuf); + return hbuf; + } + + if (RealHostName == NULL) + { + /* translate that to a host name */ + RealHostName = newstr(hostnamebyanyaddr(&RealHostAddr)); + if (strlen(RealHostName) > MAXNAME) + RealHostName[MAXNAME] = '\0'; /* XXX - 1 ? */ + } + + /* cross check RealHostName with forward DNS lookup */ + if (anynet_ntoa(&RealHostAddr)[0] != '[' && + RealHostName[0] != '[') + { + int family; + + family = RealHostAddr.sa.sa_family; +#if NETINET6 && NEEDSGETIPNODE + /* + ** If RealHostAddr is an IPv6 connection with an + ** IPv4-mapped address, we need RealHostName's IPv4 + ** address(es) for addrcmp() to compare against + ** RealHostAddr. + ** + ** Actually, we only need to do this for systems + ** which NEEDSGETIPNODE since the real getipnodebyname() + ** already does V4MAPPED address via the AI_V4MAPPEDCFG + ** flag. A better fix to this problem is to add this + ** functionality to our stub getipnodebyname(). + */ + + if (family == AF_INET6 && + IN6_IS_ADDR_V4MAPPED(&RealHostAddr.sin6.sin6_addr)) + family = AF_INET; +#endif /* NETINET6 && NEEDSGETIPNODE */ + + /* try to match the reverse against the forward lookup */ + hp = sm_gethostbyname(RealHostName, family); + if (hp == NULL) + { + /* XXX: Could be a temporary error on forward lookup */ + *may_be_forged = true; + } + else + { + for (ha = hp->h_addr_list; *ha != NULL; ha++) + { + if (addrcmp(hp, *ha, &RealHostAddr) == 0) + break; + } + *may_be_forged = *ha == NULL; +#if NETINET6 + freehostent(hp); + hp = NULL; +#endif /* NETINET6 */ + } + } + + if (TimeOuts.to_ident == 0) + goto noident; + + lalen = sizeof la; + switch (RealHostAddr.sa.sa_family) + { +#if NETINET + case AF_INET: + if (getsockname(fd, &la.sa, &lalen) < 0 || + lalen <= 0 || + la.sa.sa_family != AF_INET) + { + /* no ident info */ + goto noident; + } + port = RealHostAddr.sin.sin_port; + + /* create ident query */ + (void) sm_snprintf(ibuf, sizeof ibuf, "%d,%d\r\n", + ntohs(RealHostAddr.sin.sin_port), + ntohs(la.sin.sin_port)); + + /* create local address */ + la.sin.sin_port = 0; + + /* create foreign address */ +# ifdef NO_GETSERVBYNAME + RealHostAddr.sin.sin_port = htons(113); +# else /* NO_GETSERVBYNAME */ + + /* + ** getservbyname() consumes about 5% of the time + ** when receiving a small message (almost all of the time + ** spent in this routine). + ** Hence we store the port in a static variable + ** to save this time. + ** The portnumber shouldn't change very often... + ** This code makes the assumption that the port number + ** is not 0. + */ + + if (port4 == 0) + { + sp = getservbyname("auth", "tcp"); + if (sp != NULL) + port4 = sp->s_port; + else + port4 = htons(113); + } + RealHostAddr.sin.sin_port = port4; + break; +# endif /* NO_GETSERVBYNAME */ +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (getsockname(fd, &la.sa, &lalen) < 0 || + lalen <= 0 || + la.sa.sa_family != AF_INET6) + { + /* no ident info */ + goto noident; + } + port = RealHostAddr.sin6.sin6_port; + + /* create ident query */ + (void) sm_snprintf(ibuf, sizeof ibuf, "%d,%d\r\n", + ntohs(RealHostAddr.sin6.sin6_port), + ntohs(la.sin6.sin6_port)); + + /* create local address */ + la.sin6.sin6_port = 0; + + /* create foreign address */ +# ifdef NO_GETSERVBYNAME + RealHostAddr.sin6.sin6_port = htons(113); +# else /* NO_GETSERVBYNAME */ + if (port6 == 0) + { + sp = getservbyname("auth", "tcp"); + if (sp != NULL) + port6 = sp->s_port; + else + port6 = htons(113); + } + RealHostAddr.sin6.sin6_port = port6; + break; +# endif /* NO_GETSERVBYNAME */ +#endif /* NETINET6 */ + default: + /* no ident info */ + goto noident; + } + + s = -1; + if (setjmp(CtxAuthTimeout) != 0) + { + if (s >= 0) + (void) close(s); + goto noident; + } + + /* put a timeout around the whole thing */ + ev = sm_setevent(TimeOuts.to_ident, authtimeout, 0); + + /* connect to foreign IDENT server using same address as SMTP socket */ + s = socket(la.sa.sa_family, SOCK_STREAM, 0); + if (s < 0) + { + sm_clrevent(ev); + goto noident; + } + if (bind(s, &la.sa, lalen) < 0 || + connect(s, &RealHostAddr.sa, lalen) < 0) + goto closeident; + + if (tTd(9, 10)) + sm_dprintf("getauthinfo: sent %s", ibuf); + + /* send query */ + if (write(s, ibuf, strlen(ibuf)) < 0) + goto closeident; + + /* get result */ + p = &ibuf[0]; + nleft = sizeof ibuf - 1; + while ((i = read(s, p, nleft)) > 0) + { + char *s; + + p += i; + nleft -= i; + *p = '\0'; + if ((s = strchr(ibuf, '\n')) != NULL) + { + if (p > s + 1) + { + p = s + 1; + *p = '\0'; + } + break; + } + if (nleft <= 0) + break; + } + (void) close(s); + sm_clrevent(ev); + if (i < 0 || p == &ibuf[0]) + goto noident; + + if (p >= &ibuf[2] && *--p == '\n' && *--p == '\r') + p--; + *++p = '\0'; + + if (tTd(9, 3)) + sm_dprintf("getauthinfo: got %s\n", ibuf); + + /* parse result */ + p = strchr(ibuf, ':'); + if (p == NULL) + { + /* malformed response */ + goto noident; + } + while (isascii(*++p) && isspace(*p)) + continue; + if (sm_strncasecmp(p, "userid", 6) != 0) + { + /* presumably an error string */ + goto noident; + } + p += 6; + while (isascii(*p) && isspace(*p)) + p++; + if (*p++ != ':') + { + /* either useridxx or malformed response */ + goto noident; + } + + /* p now points to the OSTYPE field */ + while (isascii(*p) && isspace(*p)) + p++; + ostype = p; + p = strchr(p, ':'); + if (p == NULL) + { + /* malformed response */ + goto noident; + } + else + { + char *charset; + + *p = '\0'; + charset = strchr(ostype, ','); + if (charset != NULL) + *charset = '\0'; + } + + /* 1413 says don't do this -- but it's broken otherwise */ + while (isascii(*++p) && isspace(*p)) + continue; + + /* p now points to the authenticated name -- copy carefully */ + if (sm_strncasecmp(ostype, "other", 5) == 0 && + (ostype[5] == ' ' || ostype[5] == '\0')) + { + (void) sm_strlcpy(hbuf, "IDENT:", sizeof hbuf); + cleanstrcpy(&hbuf[6], p, MAXAUTHINFO); + } + else + cleanstrcpy(hbuf, p, MAXAUTHINFO); + len = strlen(hbuf); + (void) sm_strlcpyn(&hbuf[len], sizeof hbuf - len, 2, "@", + RealHostName == NULL ? "localhost" : RealHostName); + goto postident; + +closeident: + (void) close(s); + sm_clrevent(ev); + +noident: + /* put back the original incoming port */ + switch (RealHostAddr.sa.sa_family) + { +#if NETINET + case AF_INET: + if (port > 0) + RealHostAddr.sin.sin_port = port; + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (port > 0) + RealHostAddr.sin6.sin6_port = port; + break; +#endif /* NETINET6 */ + } + + if (RealHostName == NULL) + { + if (tTd(9, 1)) + sm_dprintf("getauthinfo: NULL\n"); + return NULL; + } + (void) sm_strlcpy(hbuf, RealHostName, sizeof hbuf); + +postident: +#if IP_SRCROUTE +# ifndef GET_IPOPT_DST +# define GET_IPOPT_DST(dst) (dst) +# endif /* ! GET_IPOPT_DST */ + /* + ** Extract IP source routing information. + ** + ** Format of output for a connection from site a through b + ** through c to d: + ** loose: @site-c@site-b:site-a + ** strict: !@site-c@site-b:site-a + ** + ** o - pointer within ipopt_list structure. + ** q - pointer within ls/ss rr route data + ** p - pointer to hbuf + */ + + if (RealHostAddr.sa.sa_family == AF_INET) + { + SOCKOPT_LEN_T ipoptlen; + int j; + unsigned char *q; + unsigned char *o; + int l; + struct IPOPTION ipopt; + + ipoptlen = sizeof ipopt; + if (getsockopt(fd, IPPROTO_IP, IP_OPTIONS, + (char *) &ipopt, &ipoptlen) < 0) + goto noipsr; + if (ipoptlen == 0) + goto noipsr; + o = (unsigned char *) ipopt.IP_LIST; + while (o != NULL && o < (unsigned char *) &ipopt + ipoptlen) + { + switch (*o) + { + case IPOPT_EOL: + o = NULL; + break; + + case IPOPT_NOP: + o++; + break; + + case IPOPT_SSRR: + case IPOPT_LSRR: + /* + ** Source routing. + ** o[0] is the option type (loose/strict). + ** o[1] is the length of this option, + ** including option type and + ** length. + ** o[2] is the pointer into the route + ** data. + ** o[3] begins the route data. + */ + + p = &hbuf[strlen(hbuf)]; + l = sizeof hbuf - (hbuf - p) - 6; + (void) sm_snprintf(p, SPACELEFT(hbuf, p), + " [%s@%.*s", + *o == IPOPT_SSRR ? "!" : "", + l > 240 ? 120 : l / 2, + inet_ntoa(GET_IPOPT_DST(ipopt.IP_DST))); + i = strlen(p); + p += i; + l -= strlen(p); + + j = o[1] / sizeof(struct in_addr) - 1; + + /* q skips length and router pointer to data */ + q = &o[3]; + for ( ; j >= 0; j--) + { + struct in_addr addr; + + memcpy(&addr, q, sizeof(addr)); + (void) sm_snprintf(p, + SPACELEFT(hbuf, p), + "%c%.*s", + j != 0 ? '@' : ':', + l > 240 ? 120 : + j == 0 ? l : l / 2, + inet_ntoa(addr)); + i = strlen(p); + p += i; + l -= i + 1; + q += sizeof(struct in_addr); + } + o += o[1]; + break; + + default: + /* Skip over option */ + o += o[1]; + break; + } + } + (void) sm_snprintf(p, SPACELEFT(hbuf, p), "]"); + goto postipsr; + } + +noipsr: +#endif /* IP_SRCROUTE */ + if (RealHostName != NULL && RealHostName[0] != '[') + { + p = &hbuf[strlen(hbuf)]; + (void) sm_snprintf(p, SPACELEFT(hbuf, p), " [%.100s]", + anynet_ntoa(&RealHostAddr)); + } + if (*may_be_forged) + { + p = &hbuf[strlen(hbuf)]; + (void) sm_strlcpy(p, " (may be forged)", SPACELEFT(hbuf, p)); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{client_resolve}"), "FORGED"); + } + +#if IP_SRCROUTE +postipsr: +#endif /* IP_SRCROUTE */ + + /* put back the original incoming port */ + switch (RealHostAddr.sa.sa_family) + { +#if NETINET + case AF_INET: + if (port > 0) + RealHostAddr.sin.sin_port = port; + break; +#endif /* NETINET */ + +#if NETINET6 + case AF_INET6: + if (port > 0) + RealHostAddr.sin6.sin6_port = port; + break; +#endif /* NETINET6 */ + } + + if (tTd(9, 1)) + sm_dprintf("getauthinfo: %s\n", hbuf); + return hbuf; +} +/* +** HOST_MAP_LOOKUP -- turn a hostname into canonical form +** +** Parameters: +** map -- a pointer to this map. +** name -- the (presumably unqualified) hostname. +** av -- unused -- for compatibility with other mapping +** functions. +** statp -- an exit status (out parameter) -- set to +** EX_TEMPFAIL if the name server is unavailable. +** +** Returns: +** The mapping, if found. +** NULL if no mapping found. +** +** Side Effects: +** Looks up the host specified in hbuf. If it is not +** the canonical name for that host, return the canonical +** name (unless MF_MATCHONLY is set, which will cause the +** status only to be returned). +*/ + +char * +host_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + register struct hostent *hp; +#if NETINET + struct in_addr in_addr; +#endif /* NETINET */ +#if NETINET6 + struct in6_addr in6_addr; +#endif /* NETINET6 */ + char *cp, *ans = NULL; + register STAB *s; + time_t now; +#if NAMED_BIND + time_t SM_NONVOLATILE retrans = 0; + int SM_NONVOLATILE retry = 0; +#endif /* NAMED_BIND */ + char hbuf[MAXNAME + 1]; + + /* + ** See if we have already looked up this name. If so, just + ** return it (unless expired). + */ + + now = curtime(); + s = stab(name, ST_NAMECANON, ST_ENTER); + if (bitset(NCF_VALID, s->s_namecanon.nc_flags) && + s->s_namecanon.nc_exp >= now) + { + if (tTd(9, 1)) + sm_dprintf("host_map_lookup(%s) => CACHE %s\n", + name, + s->s_namecanon.nc_cname == NULL + ? "NULL" + : s->s_namecanon.nc_cname); + errno = s->s_namecanon.nc_errno; + SM_SET_H_ERRNO(s->s_namecanon.nc_herrno); + *statp = s->s_namecanon.nc_stat; + if (*statp == EX_TEMPFAIL) + { + CurEnv->e_status = "4.4.3"; + message("851 %s: Name server timeout", + shortenstring(name, 33)); + } + if (*statp != EX_OK) + return NULL; + if (s->s_namecanon.nc_cname == NULL) + { + syserr("host_map_lookup(%s): bogus NULL cache entry, errno=%d, h_errno=%d", + name, + s->s_namecanon.nc_errno, + s->s_namecanon.nc_herrno); + return NULL; + } + if (bitset(MF_MATCHONLY, map->map_mflags)) + cp = map_rewrite(map, name, strlen(name), NULL); + else + cp = map_rewrite(map, + s->s_namecanon.nc_cname, + strlen(s->s_namecanon.nc_cname), + av); + return cp; + } + + /* + ** If we are running without a regular network connection (usually + ** dial-on-demand) and we are just queueing, we want to avoid DNS + ** lookups because those could try to connect to a server. + */ + + if (CurEnv->e_sendmode == SM_DEFER && + bitset(MF_DEFER, map->map_mflags)) + { + if (tTd(9, 1)) + sm_dprintf("host_map_lookup(%s) => DEFERRED\n", name); + *statp = EX_TEMPFAIL; + return NULL; + } + + /* + ** If first character is a bracket, then it is an address + ** lookup. Address is copied into a temporary buffer to + ** strip the brackets and to preserve name if address is + ** unknown. + */ + + if (tTd(9, 1)) + sm_dprintf("host_map_lookup(%s) => ", name); +#if NAMED_BIND + if (map->map_timeout > 0) + { + retrans = _res.retrans; + _res.retrans = map->map_timeout; + } + if (map->map_retry > 0) + { + retry = _res.retry; + _res.retry = map->map_retry; + } +#endif /* NAMED_BIND */ + + /* set default TTL */ + s->s_namecanon.nc_exp = now + SM_DEFAULT_TTL; + if (*name != '[') + { + int ttl; + + (void) sm_strlcpy(hbuf, name, sizeof hbuf); + if (getcanonname(hbuf, sizeof hbuf - 1, !HasWildcardMX, &ttl)) + { + ans = hbuf; + if (ttl > 0) + s->s_namecanon.nc_exp = now + SM_MIN(ttl, + SM_DEFAULT_TTL); + } + } + else + { + if ((cp = strchr(name, ']')) == NULL) + { + if (tTd(9, 1)) + sm_dprintf("FAILED\n"); + return NULL; + } + *cp = '\0'; + + hp = NULL; +#if NETINET + if ((in_addr.s_addr = inet_addr(&name[1])) != INADDR_NONE) + hp = sm_gethostbyaddr((char *)&in_addr, + INADDRSZ, AF_INET); +#endif /* NETINET */ +#if NETINET6 + if (hp == NULL && + anynet_pton(AF_INET6, &name[1], &in6_addr) == 1) + hp = sm_gethostbyaddr((char *)&in6_addr, + IN6ADDRSZ, AF_INET6); +#endif /* NETINET6 */ + *cp = ']'; + + if (hp != NULL) + { + /* found a match -- copy out */ + ans = denlstring((char *) hp->h_name, true, true); +#if NETINET6 + if (ans == hp->h_name) + { + static char n[MAXNAME + 1]; + + /* hp->h_name is about to disappear */ + (void) sm_strlcpy(n, ans, sizeof n); + ans = n; + } + freehostent(hp); + hp = NULL; +#endif /* NETINET6 */ + } + } +#if NAMED_BIND + if (map->map_timeout > 0) + _res.retrans = retrans; + if (map->map_retry > 0) + _res.retry = retry; +#endif /* NAMED_BIND */ + + s->s_namecanon.nc_flags |= NCF_VALID; /* will be soon */ + + /* Found an answer */ + if (ans != NULL) + { + s->s_namecanon.nc_stat = *statp = EX_OK; + if (s->s_namecanon.nc_cname != NULL) + sm_free(s->s_namecanon.nc_cname); + s->s_namecanon.nc_cname = sm_strdup_x(ans); + if (bitset(MF_MATCHONLY, map->map_mflags)) + cp = map_rewrite(map, name, strlen(name), NULL); + else + cp = map_rewrite(map, ans, strlen(ans), av); + if (tTd(9, 1)) + sm_dprintf("FOUND %s\n", ans); + return cp; + } + + + /* No match found */ + s->s_namecanon.nc_errno = errno; +#if NAMED_BIND + s->s_namecanon.nc_herrno = h_errno; + if (tTd(9, 1)) + sm_dprintf("FAIL (%d)\n", h_errno); + switch (h_errno) + { + case TRY_AGAIN: + if (UseNameServer) + { + CurEnv->e_status = "4.4.3"; + message("851 %s: Name server timeout", + shortenstring(name, 33)); + } + *statp = EX_TEMPFAIL; + break; + + case HOST_NOT_FOUND: + case NO_DATA: + *statp = EX_NOHOST; + break; + + case NO_RECOVERY: + *statp = EX_SOFTWARE; + break; + + default: + *statp = EX_UNAVAILABLE; + break; + } +#else /* NAMED_BIND */ + if (tTd(9, 1)) + sm_dprintf("FAIL\n"); + *statp = EX_NOHOST; +#endif /* NAMED_BIND */ + s->s_namecanon.nc_stat = *statp; + return NULL; +} +/* +** HOST_MAP_INIT -- initialize host class structures +** +** Parameters: +** map -- a pointer to this map. +** args -- argument string. +** +** Returns: +** true. +*/ + +bool +host_map_init(map, args) + MAP *map; + char *args; +{ + register char *p = args; + + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'a': + map->map_app = ++p; + break; + + case 'T': + map->map_tapp = ++p; + break; + + case 'm': + map->map_mflags |= MF_MATCHONLY; + break; + + case 't': + map->map_mflags |= MF_NODEFER; + break; + + case 'S': /* only for consistency */ + map->map_spacesub = *++p; + break; + + case 'D': + map->map_mflags |= MF_DEFER; + break; + + case 'd': + { + char *h; + + while (isascii(*++p) && isspace(*p)) + continue; + h = strchr(p, ' '); + if (h != NULL) + *h = '\0'; + map->map_timeout = convtime(p, 's'); + if (h != NULL) + *h = ' '; + } + break; + + case 'r': + while (isascii(*++p) && isspace(*p)) + continue; + map->map_retry = atoi(p); + break; + } + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + } + if (map->map_app != NULL) + map->map_app = newstr(map->map_app); + if (map->map_tapp != NULL) + map->map_tapp = newstr(map->map_tapp); + return true; +} + +#if NETINET6 +/* +** ANYNET_NTOP -- convert an IPv6 network address to printable form. +** +** Parameters: +** s6a -- a pointer to an in6_addr structure. +** dst -- buffer to store result in +** dst_len -- size of dst buffer +** +** Returns: +** A printable version of that structure. +*/ + +char * +anynet_ntop(s6a, dst, dst_len) + struct in6_addr *s6a; + char *dst; + size_t dst_len; +{ + register char *ap; + + if (IN6_IS_ADDR_V4MAPPED(s6a)) + ap = (char *) inet_ntop(AF_INET, + &s6a->s6_addr[IN6ADDRSZ - INADDRSZ], + dst, dst_len); + else + { + char *d; + size_t sz; + + /* Save pointer to beginning of string */ + d = dst; + + /* Add IPv6: protocol tag */ + sz = sm_strlcpy(dst, "IPv6:", dst_len); + if (sz >= dst_len) + return NULL; + dst += sz; + dst_len -= sz; + ap = (char *) inet_ntop(AF_INET6, s6a, dst, dst_len); + + /* Restore pointer to beginning of string */ + if (ap != NULL) + ap = d; + } + return ap; +} + +/* +** ANYNET_PTON -- convert printed form to network address. +** +** Wrapper for inet_pton() which handles IPv6: labels. +** +** Parameters: +** family -- address family +** src -- string +** dst -- destination address structure +** +** Returns: +** 1 if the address was valid +** 0 if the address wasn't parseable +** -1 if error +*/ + +int +anynet_pton(family, src, dst) + int family; + const char *src; + void *dst; +{ + if (family == AF_INET6 && sm_strncasecmp(src, "IPv6:", 5) == 0) + src += 5; + return inet_pton(family, src, dst); +} +#endif /* NETINET6 */ +/* +** ANYNET_NTOA -- convert a network address to printable form. +** +** Parameters: +** sap -- a pointer to a sockaddr structure. +** +** Returns: +** A printable version of that sockaddr. +*/ + +#ifdef USE_SOCK_STREAM + +# if NETLINK +# include +# endif /* NETLINK */ + +char * +anynet_ntoa(sap) + register SOCKADDR *sap; +{ + register char *bp; + register char *ap; + int l; + static char buf[100]; + + /* check for null/zero family */ + if (sap == NULL) + return "NULLADDR"; + if (sap->sa.sa_family == 0) + return "0"; + + switch (sap->sa.sa_family) + { +# if NETUNIX + case AF_UNIX: + if (sap->sunix.sun_path[0] != '\0') + (void) sm_snprintf(buf, sizeof buf, "[UNIX: %.64s]", + sap->sunix.sun_path); + else + (void) sm_strlcpy(buf, "[UNIX: localhost]", sizeof buf); + return buf; +# endif /* NETUNIX */ + +# if NETINET + case AF_INET: + return (char *) inet_ntoa(sap->sin.sin_addr); +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + ap = anynet_ntop(&sap->sin6.sin6_addr, buf, sizeof buf); + if (ap != NULL) + return ap; + break; +# endif /* NETINET6 */ + +# if NETLINK + case AF_LINK: + (void) sm_snprintf(buf, sizeof buf, "[LINK: %s]", + link_ntoa((struct sockaddr_dl *) &sap->sa)); + return buf; +# endif /* NETLINK */ + default: + /* this case is needed when nothing is #defined */ + /* in order to keep the switch syntactically correct */ + break; + } + + /* unknown family -- just dump bytes */ + (void) sm_snprintf(buf, sizeof buf, "Family %d: ", sap->sa.sa_family); + bp = &buf[strlen(buf)]; + ap = sap->sa.sa_data; + for (l = sizeof sap->sa.sa_data; --l >= 0; ) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), "%02x:", + *ap++ & 0377); + bp += 3; + } + *--bp = '\0'; + return buf; +} +/* +** HOSTNAMEBYANYADDR -- return name of host based on address +** +** Parameters: +** sap -- SOCKADDR pointer +** +** Returns: +** text representation of host name. +** +** Side Effects: +** none. +*/ + +char * +hostnamebyanyaddr(sap) + register SOCKADDR *sap; +{ + register struct hostent *hp; +# if NAMED_BIND + int saveretry; +# endif /* NAMED_BIND */ +# if NETINET6 + struct in6_addr in6_addr; +# endif /* NETINET6 */ + +# if NAMED_BIND + /* shorten name server timeout to avoid higher level timeouts */ + saveretry = _res.retry; + if (_res.retry * _res.retrans > 20) + _res.retry = 20 / _res.retrans; +# endif /* NAMED_BIND */ + + switch (sap->sa.sa_family) + { +# if NETINET + case AF_INET: + hp = sm_gethostbyaddr((char *) &sap->sin.sin_addr, + INADDRSZ, AF_INET); + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + hp = sm_gethostbyaddr((char *) &sap->sin6.sin6_addr, + IN6ADDRSZ, AF_INET6); + break; +# endif /* NETINET6 */ + +# if NETISO + case AF_ISO: + hp = sm_gethostbyaddr((char *) &sap->siso.siso_addr, + sizeof sap->siso.siso_addr, AF_ISO); + break; +# endif /* NETISO */ + +# if NETUNIX + case AF_UNIX: + hp = NULL; + break; +# endif /* NETUNIX */ + + default: + hp = sm_gethostbyaddr(sap->sa.sa_data, sizeof sap->sa.sa_data, + sap->sa.sa_family); + break; + } + +# if NAMED_BIND + _res.retry = saveretry; +# endif /* NAMED_BIND */ + +# if NETINET || NETINET6 + if (hp != NULL && hp->h_name[0] != '[' +# if NETINET6 + && inet_pton(AF_INET6, hp->h_name, &in6_addr) != 1 +# endif /* NETINET6 */ +# if NETINET + && inet_addr(hp->h_name) == INADDR_NONE +# endif /* NETINET */ + ) + { + char *name; + + name = denlstring((char *) hp->h_name, true, true); +# if NETINET6 + if (name == hp->h_name) + { + static char n[MAXNAME + 1]; + + /* Copy the string, hp->h_name is about to disappear */ + (void) sm_strlcpy(n, name, sizeof n); + name = n; + } + freehostent(hp); +# endif /* NETINET6 */ + return name; + } +# endif /* NETINET || NETINET6 */ + +# if NETINET6 + if (hp != NULL) + { + freehostent(hp); + hp = NULL; + } +# endif /* NETINET6 */ + +# if NETUNIX + if (sap->sa.sa_family == AF_UNIX && sap->sunix.sun_path[0] == '\0') + return "localhost"; +# endif /* NETUNIX */ + { + static char buf[203]; + + (void) sm_snprintf(buf, sizeof buf, "[%.200s]", + anynet_ntoa(sap)); + return buf; + } +} +#endif /* USE_SOCK_STREAM */ diff --git a/contrib/sendmail-8.13.4/sendmail/deliver.c b/contrib/sendmail-8.13.4/sendmail/deliver.c new file mode 100644 index 0000000000..a6b67c8acc --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/deliver.c @@ -0,0 +1,6281 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#include + +SM_RCSID("@(#)$Id: deliver.c,v 8.986 2005/03/05 02:28:50 ca Exp $") + +#if HASSETUSERCONTEXT +# include +#endif /* HASSETUSERCONTEXT */ + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +#if STARTTLS || SASL +# include "sfsasl.h" +#endif /* STARTTLS || SASL */ + +static int deliver __P((ENVELOPE *, ADDRESS *)); +static void dup_queue_file __P((ENVELOPE *, ENVELOPE *, int)); +static void mailfiletimeout __P((int)); +static void endwaittimeout __P((int)); +static int parse_hostsignature __P((char *, char **, MAILER *)); +static void sendenvelope __P((ENVELOPE *, int)); +extern MCI *mci_new __P((SM_RPOOL_T *)); +static int coloncmp __P((const char *, const char *)); + +#if STARTTLS +static int starttls __P((MAILER *, MCI *, ENVELOPE *)); +static int endtlsclt __P((MCI *)); +#endif /* STARTTLS */ +# if STARTTLS || SASL +static bool iscltflgset __P((ENVELOPE *, int)); +# endif /* STARTTLS || SASL */ + +/* +** SENDALL -- actually send all the messages. +** +** Parameters: +** e -- the envelope to send. +** mode -- the delivery mode to use. If SM_DEFAULT, use +** the current e->e_sendmode. +** +** Returns: +** none. +** +** Side Effects: +** Scans the send lists and sends everything it finds. +** Delivers any appropriate error messages. +** If we are running in a non-interactive mode, takes the +** appropriate action. +*/ + +void +sendall(e, mode) + ENVELOPE *e; + int mode; +{ + register ADDRESS *q; + char *owner; + int otherowners; + int save_errno; + register ENVELOPE *ee; + ENVELOPE *splitenv = NULL; + int oldverbose = Verbose; + bool somedeliveries = false, expensive = false; + pid_t pid; + + /* + ** If this message is to be discarded, don't bother sending + ** the message at all. + */ + + if (bitset(EF_DISCARD, e->e_flags)) + { + if (tTd(13, 1)) + sm_dprintf("sendall: discarding id %s\n", e->e_id); + e->e_flags |= EF_CLRQUEUE; + if (LogLevel > 9) + logundelrcpts(e, "discarded", 9, true); + else if (LogLevel > 4) + sm_syslog(LOG_INFO, e->e_id, "discarded"); + markstats(e, NULL, STATS_REJECT); + return; + } + + /* + ** If we have had global, fatal errors, don't bother sending + ** the message at all if we are in SMTP mode. Local errors + ** (e.g., a single address failing) will still cause the other + ** addresses to be sent. + */ + + if (bitset(EF_FATALERRS, e->e_flags) && + (OpMode == MD_SMTP || OpMode == MD_DAEMON)) + { + e->e_flags |= EF_CLRQUEUE; + return; + } + + /* determine actual delivery mode */ + if (mode == SM_DEFAULT) + { + mode = e->e_sendmode; + if (mode != SM_VERIFY && mode != SM_DEFER && + shouldqueue(e->e_msgpriority, e->e_ctime)) + mode = SM_QUEUE; + } + + if (tTd(13, 1)) + { + sm_dprintf("\n===== SENDALL: mode %c, id %s, e_from ", + mode, e->e_id); + printaddr(sm_debug_file(), &e->e_from, false); + sm_dprintf("\te_flags = "); + printenvflags(e); + sm_dprintf("sendqueue:\n"); + printaddr(sm_debug_file(), e->e_sendqueue, true); + } + + /* + ** Do any preprocessing necessary for the mode we are running. + ** Check to make sure the hop count is reasonable. + ** Delete sends to the sender in mailing lists. + */ + + CurEnv = e; + if (tTd(62, 1)) + checkfds(NULL); + + if (e->e_hopcount > MaxHopCount) + { + char *recip; + + if (e->e_sendqueue != NULL && + e->e_sendqueue->q_paddr != NULL) + recip = e->e_sendqueue->q_paddr; + else + recip = "(nobody)"; + + errno = 0; + queueup(e, WILL_BE_QUEUED(mode), false); + e->e_flags |= EF_FATALERRS|EF_PM_NOTIFY|EF_CLRQUEUE; + ExitStat = EX_UNAVAILABLE; + syserr("554 5.4.6 Too many hops %d (%d max): from %s via %s, to %s", + e->e_hopcount, MaxHopCount, e->e_from.q_paddr, + RealHostName == NULL ? "localhost" : RealHostName, + recip); + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_DEAD(q->q_state)) + continue; + q->q_state = QS_BADADDR; + q->q_status = "5.4.6"; + q->q_rstatus = "554 5.4.6 Too many hops"; + } + return; + } + + /* + ** Do sender deletion. + ** + ** If the sender should be queued up, skip this. + ** This can happen if the name server is hosed when you + ** are trying to send mail. The result is that the sender + ** is instantiated in the queue as a recipient. + */ + + if (!bitset(EF_METOO, e->e_flags) && + !QS_IS_QUEUEUP(e->e_from.q_state)) + { + if (tTd(13, 5)) + { + sm_dprintf("sendall: QS_SENDER "); + printaddr(sm_debug_file(), &e->e_from, false); + } + e->e_from.q_state = QS_SENDER; + (void) recipient(&e->e_from, &e->e_sendqueue, 0, e); + } + + /* + ** Handle alias owners. + ** + ** We scan up the q_alias chain looking for owners. + ** We discard owners that are the same as the return path. + */ + + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + register struct address *a; + + for (a = q; a != NULL && a->q_owner == NULL; a = a->q_alias) + continue; + if (a != NULL) + q->q_owner = a->q_owner; + + if (q->q_owner != NULL && + !QS_IS_DEAD(q->q_state) && + strcmp(q->q_owner, e->e_from.q_paddr) == 0) + q->q_owner = NULL; + } + + if (tTd(13, 25)) + { + sm_dprintf("\nAfter first owner pass, sendq =\n"); + printaddr(sm_debug_file(), e->e_sendqueue, true); + } + + owner = ""; + otherowners = 1; + while (owner != NULL && otherowners > 0) + { + if (tTd(13, 28)) + sm_dprintf("owner = \"%s\", otherowners = %d\n", + owner, otherowners); + owner = NULL; + otherowners = bitset(EF_SENDRECEIPT, e->e_flags) ? 1 : 0; + + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (tTd(13, 30)) + { + sm_dprintf("Checking "); + printaddr(sm_debug_file(), q, false); + } + if (QS_IS_DEAD(q->q_state)) + { + if (tTd(13, 30)) + sm_dprintf(" ... QS_IS_DEAD\n"); + continue; + } + if (tTd(13, 29) && !tTd(13, 30)) + { + sm_dprintf("Checking "); + printaddr(sm_debug_file(), q, false); + } + + if (q->q_owner != NULL) + { + if (owner == NULL) + { + if (tTd(13, 40)) + sm_dprintf(" ... First owner = \"%s\"\n", + q->q_owner); + owner = q->q_owner; + } + else if (owner != q->q_owner) + { + if (strcmp(owner, q->q_owner) == 0) + { + if (tTd(13, 40)) + sm_dprintf(" ... Same owner = \"%s\"\n", + owner); + + /* make future comparisons cheap */ + q->q_owner = owner; + } + else + { + if (tTd(13, 40)) + sm_dprintf(" ... Another owner \"%s\"\n", + q->q_owner); + otherowners++; + } + owner = q->q_owner; + } + else if (tTd(13, 40)) + sm_dprintf(" ... Same owner = \"%s\"\n", + owner); + } + else + { + if (tTd(13, 40)) + sm_dprintf(" ... Null owner\n"); + otherowners++; + } + + if (QS_IS_BADADDR(q->q_state)) + { + if (tTd(13, 30)) + sm_dprintf(" ... QS_IS_BADADDR\n"); + continue; + } + + if (QS_IS_QUEUEUP(q->q_state)) + { + MAILER *m = q->q_mailer; + + /* + ** If we have temporary address failures + ** (e.g., dns failure) and a fallback MX is + ** set, send directly to the fallback MX host. + */ + + if (FallbackMX != NULL && + !wordinclass(FallbackMX, 'w') && + mode != SM_VERIFY && + !bitnset(M_NOMX, m->m_flags) && + strcmp(m->m_mailer, "[IPC]") == 0 && + m->m_argv[0] != NULL && + strcmp(m->m_argv[0], "TCP") == 0) + { + int len; + char *p; + + if (tTd(13, 30)) + sm_dprintf(" ... FallbackMX\n"); + + len = strlen(FallbackMX) + 1; + p = sm_rpool_malloc_x(e->e_rpool, len); + (void) sm_strlcpy(p, FallbackMX, len); + q->q_state = QS_OK; + q->q_host = p; + } + else + { + if (tTd(13, 30)) + sm_dprintf(" ... QS_IS_QUEUEUP\n"); + continue; + } + } + + /* + ** If this mailer is expensive, and if we don't + ** want to make connections now, just mark these + ** addresses and return. This is useful if we + ** want to batch connections to reduce load. This + ** will cause the messages to be queued up, and a + ** daemon will come along to send the messages later. + */ + + if (NoConnect && !Verbose && + bitnset(M_EXPENSIVE, q->q_mailer->m_flags)) + { + if (tTd(13, 30)) + sm_dprintf(" ... expensive\n"); + q->q_state = QS_QUEUEUP; + expensive = true; + } + else if (bitnset(M_HOLD, q->q_mailer->m_flags) && + QueueLimitId == NULL && + QueueLimitSender == NULL && + QueueLimitRecipient == NULL) + { + if (tTd(13, 30)) + sm_dprintf(" ... hold\n"); + q->q_state = QS_QUEUEUP; + expensive = true; + } + else if (QueueMode != QM_QUARANTINE && + e->e_quarmsg != NULL) + { + if (tTd(13, 30)) + sm_dprintf(" ... quarantine: %s\n", + e->e_quarmsg); + q->q_state = QS_QUEUEUP; + expensive = true; + } + else + { + if (tTd(13, 30)) + sm_dprintf(" ... deliverable\n"); + somedeliveries = true; + } + } + + if (owner != NULL && otherowners > 0) + { + /* + ** Split this envelope into two. + */ + + ee = (ENVELOPE *) sm_rpool_malloc_x(e->e_rpool, + sizeof *ee); + STRUCTCOPY(*e, *ee); + ee->e_message = NULL; + ee->e_id = NULL; + assign_queueid(ee); + + if (tTd(13, 1)) + sm_dprintf("sendall: split %s into %s, owner = \"%s\", otherowners = %d\n", + e->e_id, ee->e_id, owner, + otherowners); + + ee->e_header = copyheader(e->e_header, ee->e_rpool); + ee->e_sendqueue = copyqueue(e->e_sendqueue, + ee->e_rpool); + ee->e_errorqueue = copyqueue(e->e_errorqueue, + ee->e_rpool); + ee->e_flags = e->e_flags & ~(EF_INQUEUE|EF_CLRQUEUE|EF_FATALERRS|EF_SENDRECEIPT|EF_RET_PARAM); + ee->e_flags |= EF_NORECEIPT; + setsender(owner, ee, NULL, '\0', true); + if (tTd(13, 5)) + { + sm_dprintf("sendall(split): QS_SENDER "); + printaddr(sm_debug_file(), &ee->e_from, false); + } + ee->e_from.q_state = QS_SENDER; + ee->e_dfp = NULL; + ee->e_lockfp = NULL; + ee->e_xfp = NULL; + ee->e_qgrp = e->e_qgrp; + ee->e_qdir = e->e_qdir; + ee->e_errormode = EM_MAIL; + ee->e_sibling = splitenv; + ee->e_statmsg = NULL; + if (e->e_quarmsg != NULL) + ee->e_quarmsg = sm_rpool_strdup_x(ee->e_rpool, + e->e_quarmsg); + splitenv = ee; + + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (q->q_owner == owner) + { + q->q_state = QS_CLONED; + if (tTd(13, 6)) + sm_dprintf("\t... stripping %s from original envelope\n", + q->q_paddr); + } + } + for (q = ee->e_sendqueue; q != NULL; q = q->q_next) + { + if (q->q_owner != owner) + { + q->q_state = QS_CLONED; + if (tTd(13, 6)) + sm_dprintf("\t... dropping %s from cloned envelope\n", + q->q_paddr); + } + else + { + /* clear DSN parameters */ + q->q_flags &= ~(QHASNOTIFY|Q_PINGFLAGS); + q->q_flags |= DefaultNotify & ~QPINGONSUCCESS; + if (tTd(13, 6)) + sm_dprintf("\t... moving %s to cloned envelope\n", + q->q_paddr); + } + } + + if (mode != SM_VERIFY && bitset(EF_HAS_DF, e->e_flags)) + dup_queue_file(e, ee, DATAFL_LETTER); + + /* + ** Give the split envelope access to the parent + ** transcript file for errors obtained while + ** processing the recipients (done before the + ** envelope splitting). + */ + + if (e->e_xfp != NULL) + ee->e_xfp = sm_io_dup(e->e_xfp); + + /* failed to dup e->e_xfp, start a new transcript */ + if (ee->e_xfp == NULL) + openxscript(ee); + + if (mode != SM_VERIFY && LogLevel > 4) + sm_syslog(LOG_INFO, e->e_id, + "%s: clone: owner=%s", + ee->e_id, owner); + } + } + + if (owner != NULL) + { + setsender(owner, e, NULL, '\0', true); + if (tTd(13, 5)) + { + sm_dprintf("sendall(owner): QS_SENDER "); + printaddr(sm_debug_file(), &e->e_from, false); + } + e->e_from.q_state = QS_SENDER; + e->e_errormode = EM_MAIL; + e->e_flags |= EF_NORECEIPT; + e->e_flags &= ~EF_FATALERRS; + } + + /* if nothing to be delivered, just queue up everything */ + if (!somedeliveries && !WILL_BE_QUEUED(mode) && + mode != SM_VERIFY) + { + time_t now; + + if (tTd(13, 29)) + sm_dprintf("No deliveries: auto-queuing\n"); + mode = SM_QUEUE; + now = curtime(); + + /* treat this as a delivery in terms of counting tries */ + e->e_dtime = now; + if (!expensive) + e->e_ntries++; + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + { + ee->e_dtime = now; + if (!expensive) + ee->e_ntries++; + } + } + + if ((WILL_BE_QUEUED(mode) || mode == SM_FORK || + (mode != SM_VERIFY && + (SuperSafe == SAFE_REALLY || + SuperSafe == SAFE_REALLY_POSTMILTER))) && + (!bitset(EF_INQUEUE, e->e_flags) || splitenv != NULL)) + { + bool msync; + + /* + ** Be sure everything is instantiated in the queue. + ** Split envelopes first in case the machine crashes. + ** If the original were done first, we may lose + ** recipients. + */ + +#if !HASFLOCK + msync = false; +#else /* !HASFLOCK */ + msync = mode == SM_FORK; +#endif /* !HASFLOCK */ + + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + queueup(ee, WILL_BE_QUEUED(mode), msync); + queueup(e, WILL_BE_QUEUED(mode), msync); + } + + if (tTd(62, 10)) + checkfds("after envelope splitting"); + + /* + ** If we belong in background, fork now. + */ + + if (tTd(13, 20)) + { + sm_dprintf("sendall: final mode = %c\n", mode); + if (tTd(13, 21)) + { + sm_dprintf("\n================ Final Send Queue(s) =====================\n"); + sm_dprintf("\n *** Envelope %s, e_from=%s ***\n", + e->e_id, e->e_from.q_paddr); + printaddr(sm_debug_file(), e->e_sendqueue, true); + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + { + sm_dprintf("\n *** Envelope %s, e_from=%s ***\n", + ee->e_id, ee->e_from.q_paddr); + printaddr(sm_debug_file(), ee->e_sendqueue, true); + } + sm_dprintf("==========================================================\n\n"); + } + } + switch (mode) + { + case SM_VERIFY: + Verbose = 2; + break; + + case SM_QUEUE: + case SM_DEFER: +#if HASFLOCK + queueonly: +#endif /* HASFLOCK */ + if (e->e_nrcpts > 0) + e->e_flags |= EF_INQUEUE; + dropenvelope(e, splitenv != NULL, true); + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + { + if (ee->e_nrcpts > 0) + ee->e_flags |= EF_INQUEUE; + dropenvelope(ee, false, true); + } + return; + + case SM_FORK: + if (e->e_xfp != NULL) + (void) sm_io_flush(e->e_xfp, SM_TIME_DEFAULT); + +#if !HASFLOCK + /* + ** Since fcntl locking has the interesting semantic that + ** the lock is owned by a process, not by an open file + ** descriptor, we have to flush this to the queue, and + ** then restart from scratch in the child. + */ + + { + /* save id for future use */ + char *qid = e->e_id; + + /* now drop the envelope in the parent */ + e->e_flags |= EF_INQUEUE; + dropenvelope(e, splitenv != NULL, false); + + /* arrange to reacquire lock after fork */ + e->e_id = qid; + } + + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + { + /* save id for future use */ + char *qid = ee->e_id; + + /* drop envelope in parent */ + ee->e_flags |= EF_INQUEUE; + dropenvelope(ee, false, false); + + /* and save qid for reacquisition */ + ee->e_id = qid; + } + +#endif /* !HASFLOCK */ + + /* + ** Since the delivery may happen in a child and the parent + ** does not wait, the parent may close the maps thereby + ** removing any shared memory used by the map. Therefore, + ** close the maps now so the child will dynamically open + ** them if necessary. + */ + + closemaps(false); + + pid = fork(); + if (pid < 0) + { + syserr("deliver: fork 1"); +#if HASFLOCK + goto queueonly; +#else /* HASFLOCK */ + e->e_id = NULL; + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + ee->e_id = NULL; + return; +#endif /* HASFLOCK */ + } + else if (pid > 0) + { +#if HASFLOCK + /* be sure we leave the temp files to our child */ + /* close any random open files in the envelope */ + closexscript(e); + if (e->e_dfp != NULL) + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); + e->e_dfp = NULL; + e->e_flags &= ~EF_HAS_DF; + + /* can't call unlockqueue to avoid unlink of xfp */ + if (e->e_lockfp != NULL) + (void) sm_io_close(e->e_lockfp, SM_TIME_DEFAULT); + else + syserr("%s: sendall: null lockfp", e->e_id); + e->e_lockfp = NULL; +#endif /* HASFLOCK */ + + /* make sure the parent doesn't own the envelope */ + e->e_id = NULL; + +#if USE_DOUBLE_FORK + /* catch intermediate zombie */ + (void) waitfor(pid); +#endif /* USE_DOUBLE_FORK */ + return; + } + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + sm_exc_newthread(fatal_error); + + /* + ** Since we have accepted responsbility for the message, + ** change the SIGTERM handler. intsig() (the old handler) + ** would remove the envelope if this was a command line + ** message submission. + */ + + (void) sm_signal(SIGTERM, SIG_DFL); + +#if USE_DOUBLE_FORK + /* double fork to avoid zombies */ + pid = fork(); + if (pid > 0) + exit(EX_OK); + save_errno = errno; +#endif /* USE_DOUBLE_FORK */ + + CurrentPid = getpid(); + + /* be sure we are immune from the terminal */ + disconnect(2, e); + clearstats(); + + /* prevent parent from waiting if there was an error */ + if (pid < 0) + { + errno = save_errno; + syserr("deliver: fork 2"); +#if HASFLOCK + e->e_flags |= EF_INQUEUE; +#else /* HASFLOCK */ + e->e_id = NULL; +#endif /* HASFLOCK */ + finis(true, true, ExitStat); + } + + /* be sure to give error messages in child */ + QuickAbort = false; + + /* + ** Close any cached connections. + ** + ** We don't send the QUIT protocol because the parent + ** still knows about the connection. + ** + ** This should only happen when delivering an error + ** message. + */ + + mci_flush(false, NULL); + +#if HASFLOCK + break; +#else /* HASFLOCK */ + + /* + ** Now reacquire and run the various queue files. + */ + + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + { + ENVELOPE *sibling = ee->e_sibling; + + (void) dowork(ee->e_qgrp, ee->e_qdir, ee->e_id, + false, false, ee); + ee->e_sibling = sibling; + } + (void) dowork(e->e_qgrp, e->e_qdir, e->e_id, + false, false, e); + finis(true, true, ExitStat); +#endif /* HASFLOCK */ + } + + sendenvelope(e, mode); + dropenvelope(e, true, true); + for (ee = splitenv; ee != NULL; ee = ee->e_sibling) + { + CurEnv = ee; + if (mode != SM_VERIFY) + openxscript(ee); + sendenvelope(ee, mode); + dropenvelope(ee, true, true); + } + CurEnv = e; + + Verbose = oldverbose; + if (mode == SM_FORK) + finis(true, true, ExitStat); +} + +static void +sendenvelope(e, mode) + register ENVELOPE *e; + int mode; +{ + register ADDRESS *q; + bool didany; + + if (tTd(13, 10)) + sm_dprintf("sendenvelope(%s) e_flags=0x%lx\n", + e->e_id == NULL ? "[NOQUEUE]" : e->e_id, + e->e_flags); + if (LogLevel > 80) + sm_syslog(LOG_DEBUG, e->e_id, + "sendenvelope, flags=0x%lx", + e->e_flags); + + /* + ** If we have had global, fatal errors, don't bother sending + ** the message at all if we are in SMTP mode. Local errors + ** (e.g., a single address failing) will still cause the other + ** addresses to be sent. + */ + + if (bitset(EF_FATALERRS, e->e_flags) && + (OpMode == MD_SMTP || OpMode == MD_DAEMON)) + { + e->e_flags |= EF_CLRQUEUE; + return; + } + + /* + ** Don't attempt deliveries if we want to bounce now + ** or if deliver-by time is exceeded. + */ + + if (!bitset(EF_RESPONSE, e->e_flags) && + (TimeOuts.to_q_return[e->e_timeoutclass] == NOW || + (IS_DLVR_RETURN(e) && e->e_deliver_by > 0 && + curtime() > e->e_ctime + e->e_deliver_by))) + return; + + /* + ** Run through the list and send everything. + ** + ** Set EF_GLOBALERRS so that error messages during delivery + ** result in returned mail. + */ + + e->e_nsent = 0; + e->e_flags |= EF_GLOBALERRS; + + macdefine(&e->e_macro, A_PERM, macid("{envid}"), e->e_envid); + macdefine(&e->e_macro, A_PERM, macid("{bodytype}"), e->e_bodytype); + didany = false; + + if (!bitset(EF_SPLIT, e->e_flags)) + { + ENVELOPE *oldsib; + ENVELOPE *ee; + + /* + ** Save old sibling and set it to NULL to avoid + ** queueing up the same envelopes again. + ** This requires that envelopes in that list have + ** been take care of before (or at some other place). + */ + + oldsib = e->e_sibling; + e->e_sibling = NULL; + if (!split_by_recipient(e) && + bitset(EF_FATALERRS, e->e_flags)) + { + if (OpMode == MD_SMTP || OpMode == MD_DAEMON) + e->e_flags |= EF_CLRQUEUE; + return; + } + for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling) + queueup(ee, false, true); + + /* clean up */ + for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling) + { + /* now unlock the job */ + closexscript(ee); + unlockqueue(ee); + + /* this envelope is marked unused */ + if (ee->e_dfp != NULL) + { + (void) sm_io_close(ee->e_dfp, SM_TIME_DEFAULT); + ee->e_dfp = NULL; + } + ee->e_id = NULL; + ee->e_flags &= ~EF_HAS_DF; + } + e->e_sibling = oldsib; + } + + /* now run through the queue */ + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { +#if XDEBUG + char wbuf[MAXNAME + 20]; + + (void) sm_snprintf(wbuf, sizeof wbuf, "sendall(%.*s)", + MAXNAME, q->q_paddr); + checkfd012(wbuf); +#endif /* XDEBUG */ + if (mode == SM_VERIFY) + { + e->e_to = q->q_paddr; + if (QS_IS_SENDABLE(q->q_state)) + { + if (q->q_host != NULL && q->q_host[0] != '\0') + message("deliverable: mailer %s, host %s, user %s", + q->q_mailer->m_name, + q->q_host, + q->q_user); + else + message("deliverable: mailer %s, user %s", + q->q_mailer->m_name, + q->q_user); + } + } + else if (QS_IS_OK(q->q_state)) + { + /* + ** Checkpoint the send list every few addresses + */ + + if (CheckpointInterval > 0 && + e->e_nsent >= CheckpointInterval) + { + queueup(e, false, false); + e->e_nsent = 0; + } + (void) deliver(e, q); + didany = true; + } + } + if (didany) + { + e->e_dtime = curtime(); + e->e_ntries++; + } + +#if XDEBUG + checkfd012("end of sendenvelope"); +#endif /* XDEBUG */ +} + +#if REQUIRES_DIR_FSYNC +/* +** SYNC_DIR -- fsync a directory based on a filename +** +** Parameters: +** filename -- path of file +** panic -- panic? +** +** Returns: +** none +*/ + +void +sync_dir(filename, panic) + char *filename; + bool panic; +{ + int dirfd; + char *dirp; + char dir[MAXPATHLEN]; + + if (!RequiresDirfsync) + return; + + /* filesystems which require the directory be synced */ + dirp = strrchr(filename, '/'); + if (dirp != NULL) + { + if (sm_strlcpy(dir, filename, sizeof dir) >= sizeof dir) + return; + dir[dirp - filename] = '\0'; + dirp = dir; + } + else + dirp = "."; + dirfd = open(dirp, O_RDONLY, 0700); + if (tTd(40,32)) + sm_syslog(LOG_INFO, NOQID, "sync_dir: %s: fsync(%d)", + dirp, dirfd); + if (dirfd >= 0) + { + if (fsync(dirfd) < 0) + { + if (panic) + syserr("!sync_dir: cannot fsync directory %s", + dirp); + else if (LogLevel > 1) + sm_syslog(LOG_ERR, NOQID, + "sync_dir: cannot fsync directory %s: %s", + dirp, sm_errstring(errno)); + } + (void) close(dirfd); + } +} +#endif /* REQUIRES_DIR_FSYNC */ +/* +** DUP_QUEUE_FILE -- duplicate a queue file into a split queue +** +** Parameters: +** e -- the existing envelope +** ee -- the new envelope +** type -- the queue file type (e.g., DATAFL_LETTER) +** +** Returns: +** none +*/ + +static void +dup_queue_file(e, ee, type) + ENVELOPE *e, *ee; + int type; +{ + char f1buf[MAXPATHLEN], f2buf[MAXPATHLEN]; + + ee->e_dfp = NULL; + ee->e_xfp = NULL; + + /* + ** Make sure both are in the same directory. + */ + + (void) sm_strlcpy(f1buf, queuename(e, type), sizeof f1buf); + (void) sm_strlcpy(f2buf, queuename(ee, type), sizeof f2buf); + + /* Force the df to disk if it's not there yet */ + if (type == DATAFL_LETTER && e->e_dfp != NULL && + sm_io_setinfo(e->e_dfp, SM_BF_COMMIT, NULL) < 0 && + errno != EINVAL) + { + syserr("!dup_queue_file: can't commit %s", f1buf); + /* NOTREACHED */ + } + + if (link(f1buf, f2buf) < 0) + { + int save_errno = errno; + + syserr("sendall: link(%s, %s)", f1buf, f2buf); + if (save_errno == EEXIST) + { + if (unlink(f2buf) < 0) + { + syserr("!sendall: unlink(%s): permanent", + f2buf); + /* NOTREACHED */ + } + if (link(f1buf, f2buf) < 0) + { + syserr("!sendall: link(%s, %s): permanent", + f1buf, f2buf); + /* NOTREACHED */ + } + } + } + SYNC_DIR(f2buf, true); +} +/* +** DOFORK -- do a fork, retrying a couple of times on failure. +** +** This MUST be a macro, since after a vfork we are running +** two processes on the same stack!!! +** +** Parameters: +** none. +** +** Returns: +** From a macro??? You've got to be kidding! +** +** Side Effects: +** Modifies the ==> LOCAL <== variable 'pid', leaving: +** pid of child in parent, zero in child. +** -1 on unrecoverable error. +** +** Notes: +** I'm awfully sorry this looks so awful. That's +** vfork for you..... +*/ + +#define NFORKTRIES 5 + +#ifndef FORK +# define FORK fork +#endif /* ! FORK */ + +#define DOFORK(fORKfN) \ +{\ + register int i;\ +\ + for (i = NFORKTRIES; --i >= 0; )\ + {\ + pid = fORKfN();\ + if (pid >= 0)\ + break;\ + if (i > 0)\ + (void) sleep((unsigned) NFORKTRIES - i);\ + }\ +} +/* +** DOFORK -- simple fork interface to DOFORK. +** +** Parameters: +** none. +** +** Returns: +** pid of child in parent. +** zero in child. +** -1 on error. +** +** Side Effects: +** returns twice, once in parent and once in child. +*/ + +pid_t +dofork() +{ + register pid_t pid = -1; + + DOFORK(fork); + return pid; +} + +/* +** COLONCMP -- compare host-signatures up to first ':' or EOS +** +** This takes two strings which happen to be host-signatures and +** compares them. If the lowest preference portions of the MX-RR's +** match (up to ':' or EOS, whichever is first), then we have +** match. This is used for coattail-piggybacking messages during +** message delivery. +** If the signatures are the same up to the first ':' the remainder of +** the signatures are then compared with a normal strcmp(). This saves +** re-examining the first part of the signatures. +** +** Parameters: +** a - first host-signature +** b - second host-signature +** +** Returns: +** HS_MATCH_NO -- no "match". +** HS_MATCH_FIRST -- "match" for the first MX preference +** (up to the first colon (':')). +** HS_MATCH_FULL -- match for the entire MX record. +** +** Side Effects: +** none. +*/ + +#define HS_MATCH_NO 0 +#define HS_MATCH_FIRST 1 +#define HS_MATCH_FULL 2 + +static int +coloncmp(a, b) + register const char *a; + register const char *b; +{ + int ret = HS_MATCH_NO; + int braclev = 0; + + while (*a == *b++) + { + /* Need to account for IPv6 bracketed addresses */ + if (*a == '[') + braclev++; + else if (*a == ']' && braclev > 0) + braclev--; + else if (*a == ':' && braclev <= 0) + { + ret = HS_MATCH_FIRST; + a++; + break; + } + else if (*a == '\0') + return HS_MATCH_FULL; /* a full match */ + a++; + } + if (ret == HS_MATCH_NO && + braclev <= 0 && + ((*a == '\0' && *(b - 1) == ':') || + (*a == ':' && *(b - 1) == '\0'))) + return HS_MATCH_FIRST; + if (ret == HS_MATCH_FIRST && strcmp(a, b) == 0) + return HS_MATCH_FULL; + + return ret; +} + +/* +** SHOULD_TRY_FBSH -- Should try FallbackSmartHost? +** +** Parameters: +** e -- envelope +** tried_fallbacksmarthost -- has been tried already? (in/out) +** hostbuf -- buffer for hostname (expand FallbackSmartHost) (out) +** hbsz -- size of hostbuf +** status -- current delivery status +** +** Returns: +** true iff FallbackSmartHost should be tried. +*/ + +static bool +should_try_fbsh(e, tried_fallbacksmarthost, hostbuf, hbsz, status) + ENVELOPE *e; + bool *tried_fallbacksmarthost; + char *hostbuf; + size_t hbsz; + int status; +{ + /* + ** If the host was not found and a FallbackSmartHost is defined + ** (and we have not yet tried it), then make one last try with + ** it as the host. + */ + + if (status == EX_NOHOST && FallbackSmartHost != NULL && + !*tried_fallbacksmarthost) + { + *tried_fallbacksmarthost = true; + expand(FallbackSmartHost, hostbuf, hbsz, e); + if (!wordinclass(hostbuf, 'w')) + { + if (tTd(11, 1)) + sm_dprintf("one last try with FallbackSmartHost %s\n", + hostbuf); + return true; + } + } + return false; +} +/* +** DELIVER -- Deliver a message to a list of addresses. +** +** This routine delivers to everyone on the same host as the +** user on the head of the list. It is clever about mailers +** that don't handle multiple users. It is NOT guaranteed +** that it will deliver to all these addresses however -- so +** deliver should be called once for each address on the +** list. +** Deliver tries to be as opportunistic as possible about piggybacking +** messages. Some definitions to make understanding easier follow below. +** Piggybacking occurs when an existing connection to a mail host can +** be used to send the same message to more than one recipient at the +** same time. So "no piggybacking" means one message for one recipient +** per connection. "Intentional piggybacking" happens when the +** recipients' host address (not the mail host address) is used to +** attempt piggybacking. Recipients with the same host address +** have the same mail host. "Coincidental piggybacking" relies on +** piggybacking based on all the mail host addresses in the MX-RR. This +** is "coincidental" in the fact it could not be predicted until the +** MX Resource Records for the hosts were obtained and examined. For +** example (preference order and equivalence is important, not values): +** domain1 IN MX 10 mxhost-A +** IN MX 20 mxhost-B +** domain2 IN MX 4 mxhost-A +** IN MX 8 mxhost-B +** Domain1 and domain2 can piggyback the same message to mxhost-A or +** mxhost-B (if mxhost-A cannot be reached). +** "Coattail piggybacking" relaxes the strictness of "coincidental +** piggybacking" in the hope that most significant (lowest value) +** MX preference host(s) can create more piggybacking. For example +** (again, preference order and equivalence is important, not values): +** domain3 IN MX 100 mxhost-C +** IN MX 100 mxhost-D +** IN MX 200 mxhost-E +** domain4 IN MX 50 mxhost-C +** IN MX 50 mxhost-D +** IN MX 80 mxhost-F +** A message for domain3 and domain4 can piggyback to mxhost-C if mxhost-C +** is available. Same with mxhost-D because in both RR's the preference +** value is the same as mxhost-C, respectively. +** So deliver attempts coattail piggybacking when possible. If the +** first MX preference level hosts cannot be used then the piggybacking +** reverts to coincidental piggybacking. Using the above example you +** cannot deliver to mxhost-F for domain3 regardless of preference value. +** ("Coattail" from "riding on the coattails of your predecessor" meaning +** gaining benefit from a predecessor effort with no or little addition +** effort. The predecessor here being the preceding MX RR). +** +** Parameters: +** e -- the envelope to deliver. +** firstto -- head of the address list to deliver to. +** +** Returns: +** zero -- successfully delivered. +** else -- some failure, see ExitStat for more info. +** +** Side Effects: +** The standard input is passed off to someone. +*/ + +static int +deliver(e, firstto) + register ENVELOPE *e; + ADDRESS *firstto; +{ + char *host; /* host being sent to */ + char *user; /* user being sent to */ + char **pvp; + register char **mvp; + register char *p; + register MAILER *m; /* mailer for this recipient */ + ADDRESS *volatile ctladdr; +#if HASSETUSERCONTEXT + ADDRESS *volatile contextaddr = NULL; +#endif /* HASSETUSERCONTEXT */ + register MCI *volatile mci; + register ADDRESS *SM_NONVOLATILE to = firstto; + volatile bool clever = false; /* running user smtp to this mailer */ + ADDRESS *volatile tochain = NULL; /* users chain in this mailer call */ + int rcode; /* response code */ + SM_NONVOLATILE int lmtp_rcode = EX_OK; + SM_NONVOLATILE int nummxhosts = 0; /* number of MX hosts available */ + SM_NONVOLATILE int hostnum = 0; /* current MX host index */ + char *firstsig; /* signature of firstto */ + volatile pid_t pid = -1; + char *volatile curhost; + SM_NONVOLATILE unsigned short port = 0; + SM_NONVOLATILE time_t enough = 0; +#if NETUNIX + char *SM_NONVOLATILE mux_path = NULL; /* path to UNIX domain socket */ +#endif /* NETUNIX */ + time_t xstart; + bool suidwarn; + bool anyok; /* at least one address was OK */ + SM_NONVOLATILE bool goodmxfound = false; /* at least one MX was OK */ + bool ovr; + bool quarantine; + int strsize; + int rcptcount; + int ret; + static int tobufsize = 0; + static char *tobuf = NULL; + char *rpath; /* translated return path */ + int mpvect[2]; + int rpvect[2]; + char *mxhosts[MAXMXHOSTS + 1]; + char *pv[MAXPV + 1]; + char buf[MAXNAME + 1]; + char cbuf[MAXPATHLEN]; + + errno = 0; + if (!QS_IS_OK(to->q_state)) + return 0; + + suidwarn = geteuid() == 0; + + m = to->q_mailer; + host = to->q_host; + CurEnv = e; /* just in case */ + e->e_statmsg = NULL; + SmtpError[0] = '\0'; + xstart = curtime(); + + if (tTd(10, 1)) + sm_dprintf("\n--deliver, id=%s, mailer=%s, host=`%s', first user=`%s'\n", + e->e_id, m->m_name, host, to->q_user); + if (tTd(10, 100)) + printopenfds(false); + + /* + ** Clear {client_*} macros if this is a bounce message to + ** prevent rejection by check_compat ruleset. + */ + + if (bitset(EF_RESPONSE, e->e_flags)) + { + macdefine(&e->e_macro, A_PERM, macid("{client_name}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{client_ptr}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{client_addr}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{client_port}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{client_resolve}"), ""); + } + + SM_TRY + { + ADDRESS *skip_back = NULL; + + /* + ** Do initial argv setup. + ** Insert the mailer name. Notice that $x expansion is + ** NOT done on the mailer name. Then, if the mailer has + ** a picky -f flag, we insert it as appropriate. This + ** code does not check for 'pv' overflow; this places a + ** manifest lower limit of 4 for MAXPV. + ** The from address rewrite is expected to make + ** the address relative to the other end. + */ + + /* rewrite from address, using rewriting rules */ + rcode = EX_OK; + if (bitnset(M_UDBENVELOPE, e->e_from.q_mailer->m_flags)) + p = e->e_sender; + else + p = e->e_from.q_paddr; + rpath = remotename(p, m, RF_SENDERADDR|RF_CANONICAL, &rcode, e); + if (strlen(rpath) > MAXSHORTSTR) + { + rpath = shortenstring(rpath, MAXSHORTSTR); + + /* avoid bogus errno */ + errno = 0; + syserr("remotename: huge return path %s", rpath); + } + rpath = sm_rpool_strdup_x(e->e_rpool, rpath); + macdefine(&e->e_macro, A_PERM, 'g', rpath); + macdefine(&e->e_macro, A_PERM, 'h', host); + Errors = 0; + pvp = pv; + *pvp++ = m->m_argv[0]; + + /* ignore long term host status information if mailer flag W is set */ + if (bitnset(M_NOHOSTSTAT, m->m_flags)) + IgnoreHostStatus = true; + + /* insert -f or -r flag as appropriate */ + if (FromFlag && + (bitnset(M_FOPT, m->m_flags) || + bitnset(M_ROPT, m->m_flags))) + { + if (bitnset(M_FOPT, m->m_flags)) + *pvp++ = "-f"; + else + *pvp++ = "-r"; + *pvp++ = rpath; + } + + /* + ** Append the other fixed parts of the argv. These run + ** up to the first entry containing "$u". There can only + ** be one of these, and there are only a few more slots + ** in the pv after it. + */ + + for (mvp = m->m_argv; (p = *++mvp) != NULL; ) + { + /* can't use strchr here because of sign extension problems */ + while (*p != '\0') + { + if ((*p++ & 0377) == MACROEXPAND) + { + if (*p == 'u') + break; + } + } + + if (*p != '\0') + break; + + /* this entry is safe -- go ahead and process it */ + expand(*mvp, buf, sizeof buf, e); + *pvp++ = sm_rpool_strdup_x(e->e_rpool, buf); + if (pvp >= &pv[MAXPV - 3]) + { + syserr("554 5.3.5 Too many parameters to %s before $u", + pv[0]); + rcode = -1; + goto cleanup; + } + } + + /* + ** If we have no substitution for the user name in the argument + ** list, we know that we must supply the names otherwise -- and + ** SMTP is the answer!! + */ + + if (*mvp == NULL) + { + /* running LMTP or SMTP */ + clever = true; + *pvp = NULL; + } + else if (bitnset(M_LMTP, m->m_flags)) + { + /* not running LMTP */ + sm_syslog(LOG_ERR, NULL, + "Warning: mailer %s: LMTP flag (F=z) turned off", + m->m_name); + clrbitn(M_LMTP, m->m_flags); + } + + /* + ** At this point *mvp points to the argument with $u. We + ** run through our address list and append all the addresses + ** we can. If we run out of space, do not fret! We can + ** always send another copy later. + */ + + e->e_to = NULL; + strsize = 2; + rcptcount = 0; + ctladdr = NULL; + if (firstto->q_signature == NULL) + firstto->q_signature = hostsignature(firstto->q_mailer, + firstto->q_host); + firstsig = firstto->q_signature; + + for (; to != NULL; to = to->q_next) + { + /* avoid sending multiple recipients to dumb mailers */ + if (tochain != NULL && !bitnset(M_MUSER, m->m_flags)) + break; + + /* if already sent or not for this host, don't send */ + if (!QS_IS_OK(to->q_state)) /* already sent; look at next */ + continue; + + /* + ** Must be same mailer to keep grouping rcpts. + ** If mailers don't match: continue; sendqueue is not + ** sorted by mailers, so don't break; + */ + + if (to->q_mailer != firstto->q_mailer) + continue; + + if (to->q_signature == NULL) /* for safety */ + to->q_signature = hostsignature(to->q_mailer, + to->q_host); + + /* + ** This is for coincidental and tailcoat piggybacking messages + ** to the same mail host. While the signatures are identical + ** (that's the MX-RR's are identical) we can do coincidental + ** piggybacking. We try hard for coattail piggybacking + ** with the same mail host when the next recipient has the + ** same host at lowest preference. It may be that this + ** won't work out, so 'skip_back' is maintained if a backup + ** to coincidental piggybacking or full signature must happen. + */ + + ret = firstto == to ? HS_MATCH_FULL : + coloncmp(to->q_signature, firstsig); + if (ret == HS_MATCH_FULL) + skip_back = to; + else if (ret == HS_MATCH_NO) + break; + + if (!clever) + { + /* avoid overflowing tobuf */ + strsize += strlen(to->q_paddr) + 1; + if (strsize > TOBUFSIZE) + break; + } + + if (++rcptcount > to->q_mailer->m_maxrcpt) + break; + + if (tTd(10, 1)) + { + sm_dprintf("\nsend to "); + printaddr(sm_debug_file(), to, false); + } + + /* compute effective uid/gid when sending */ + if (bitnset(M_RUNASRCPT, to->q_mailer->m_flags)) +# if HASSETUSERCONTEXT + contextaddr = ctladdr = getctladdr(to); +# else /* HASSETUSERCONTEXT */ + ctladdr = getctladdr(to); +# endif /* HASSETUSERCONTEXT */ + + if (tTd(10, 2)) + { + sm_dprintf("ctladdr="); + printaddr(sm_debug_file(), ctladdr, false); + } + + user = to->q_user; + e->e_to = to->q_paddr; + + /* + ** Check to see that these people are allowed to + ** talk to each other. + ** Check also for overflow of e_msgsize. + */ + + if (m->m_maxsize != 0 && + (e->e_msgsize > m->m_maxsize || e->e_msgsize < 0)) + { + e->e_flags |= EF_NO_BODY_RETN; + if (bitnset(M_LOCALMAILER, to->q_mailer->m_flags)) + to->q_status = "5.2.3"; + else + to->q_status = "5.3.4"; + + /* set to->q_rstatus = NULL; or to the following? */ + usrerrenh(to->q_status, + "552 Message is too large; %ld bytes max", + m->m_maxsize); + markfailure(e, to, NULL, EX_UNAVAILABLE, false); + giveresponse(EX_UNAVAILABLE, to->q_status, m, + NULL, ctladdr, xstart, e, to); + continue; + } + SM_SET_H_ERRNO(0); + ovr = true; + + /* do config file checking of compatibility */ + quarantine = (e->e_quarmsg != NULL); + rcode = rscheck("check_compat", e->e_from.q_paddr, to->q_paddr, + e, RSF_RMCOMM|RSF_COUNT, 3, NULL, + e->e_id); + if (rcode == EX_OK) + { + /* do in-code checking if not discarding */ + if (!bitset(EF_DISCARD, e->e_flags)) + { + rcode = checkcompat(to, e); + ovr = false; + } + } + if (rcode != EX_OK) + { + markfailure(e, to, NULL, rcode, ovr); + giveresponse(rcode, to->q_status, m, + NULL, ctladdr, xstart, e, to); + continue; + } + if (!quarantine && e->e_quarmsg != NULL) + { + /* + ** check_compat or checkcompat() has tried + ** to quarantine but that isn't supported. + ** Revert the attempt. + */ + + e->e_quarmsg = NULL; + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), ""); + } + if (bitset(EF_DISCARD, e->e_flags)) + { + if (tTd(10, 5)) + { + sm_dprintf("deliver: discarding recipient "); + printaddr(sm_debug_file(), to, false); + } + + /* pretend the message was sent */ + /* XXX should we log something here? */ + to->q_state = QS_DISCARDED; + + /* + ** Remove discard bit to prevent discard of + ** future recipients. This is safe because the + ** true "global discard" has been handled before + ** we get here. + */ + + e->e_flags &= ~EF_DISCARD; + continue; + } + + /* + ** Strip quote bits from names if the mailer is dumb + ** about them. + */ + + if (bitnset(M_STRIPQ, m->m_flags)) + { + stripquotes(user); + stripquotes(host); + } + + /* + ** Strip all leading backslashes if requested and the + ** next character is alphanumerical (the latter can + ** probably relaxed a bit, see RFC2821). + */ + + if (bitnset(M_STRIPBACKSL, m->m_flags) && user[0] == '\\') + stripbackslash(user); + + /* hack attack -- delivermail compatibility */ + if (m == ProgMailer && *user == '|') + user++; + + /* + ** If an error message has already been given, don't + ** bother to send to this address. + ** + ** >>>>>>>>>> This clause assumes that the local mailer + ** >> NOTE >> cannot do any further aliasing; that + ** >>>>>>>>>> function is subsumed by sendmail. + */ + + if (!QS_IS_OK(to->q_state)) + continue; + + /* + ** See if this user name is "special". + ** If the user name has a slash in it, assume that this + ** is a file -- send it off without further ado. Note + ** that this type of addresses is not processed along + ** with the others, so we fudge on the To person. + */ + + if (strcmp(m->m_mailer, "[FILE]") == 0) + { + macdefine(&e->e_macro, A_PERM, 'u', user); + p = to->q_home; + if (p == NULL && ctladdr != NULL) + p = ctladdr->q_home; + macdefine(&e->e_macro, A_PERM, 'z', p); + expand(m->m_argv[1], buf, sizeof buf, e); + if (strlen(buf) > 0) + rcode = mailfile(buf, m, ctladdr, SFF_CREAT, e); + else + { + syserr("empty filename specification for mailer %s", + m->m_name); + rcode = EX_CONFIG; + } + giveresponse(rcode, to->q_status, m, NULL, + ctladdr, xstart, e, to); + markfailure(e, to, NULL, rcode, true); + e->e_nsent++; + if (rcode == EX_OK) + { + to->q_state = QS_SENT; + if (bitnset(M_LOCALMAILER, m->m_flags) && + bitset(QPINGONSUCCESS, to->q_flags)) + { + to->q_flags |= QDELIVERED; + to->q_status = "2.1.5"; + (void) sm_io_fprintf(e->e_xfp, + SM_TIME_DEFAULT, + "%s... Successfully delivered\n", + to->q_paddr); + } + } + to->q_statdate = curtime(); + markstats(e, to, STATS_NORMAL); + continue; + } + + /* + ** Address is verified -- add this user to mailer + ** argv, and add it to the print list of recipients. + */ + + /* link together the chain of recipients */ + to->q_tchain = tochain; + tochain = to; + e->e_to = "[CHAIN]"; + + macdefine(&e->e_macro, A_PERM, 'u', user); /* to user */ + p = to->q_home; + if (p == NULL && ctladdr != NULL) + p = ctladdr->q_home; + macdefine(&e->e_macro, A_PERM, 'z', p); /* user's home */ + + /* set the ${dsn_notify} macro if applicable */ + if (bitset(QHASNOTIFY, to->q_flags)) + { + char notify[MAXLINE]; + + notify[0] = '\0'; + if (bitset(QPINGONSUCCESS, to->q_flags)) + (void) sm_strlcat(notify, "SUCCESS,", + sizeof notify); + if (bitset(QPINGONFAILURE, to->q_flags)) + (void) sm_strlcat(notify, "FAILURE,", + sizeof notify); + if (bitset(QPINGONDELAY, to->q_flags)) + (void) sm_strlcat(notify, "DELAY,", + sizeof notify); + + /* Set to NEVER or drop trailing comma */ + if (notify[0] == '\0') + (void) sm_strlcat(notify, "NEVER", + sizeof notify); + else + notify[strlen(notify) - 1] = '\0'; + + macdefine(&e->e_macro, A_TEMP, + macid("{dsn_notify}"), notify); + } + else + macdefine(&e->e_macro, A_PERM, + macid("{dsn_notify}"), NULL); + + /* + ** Expand out this user into argument list. + */ + + if (!clever) + { + expand(*mvp, buf, sizeof buf, e); + *pvp++ = sm_rpool_strdup_x(e->e_rpool, buf); + if (pvp >= &pv[MAXPV - 2]) + { + /* allow some space for trailing parms */ + break; + } + } + } + + /* see if any addresses still exist */ + if (tochain == NULL) + { + rcode = 0; + goto cleanup; + } + + /* print out messages as full list */ + strsize = 1; + for (to = tochain; to != NULL; to = to->q_tchain) + strsize += strlen(to->q_paddr) + 1; + if (strsize < TOBUFSIZE) + strsize = TOBUFSIZE; + if (strsize > tobufsize) + { + SM_FREE_CLR(tobuf); + tobuf = sm_pmalloc_x(strsize); + tobufsize = strsize; + } + p = tobuf; + *p = '\0'; + for (to = tochain; to != NULL; to = to->q_tchain) + { + (void) sm_strlcpyn(p, tobufsize - (p - tobuf), 2, + ",", to->q_paddr); + p += strlen(p); + } + e->e_to = tobuf + 1; + + /* + ** Fill out any parameters after the $u parameter. + */ + + if (!clever) + { + while (*++mvp != NULL) + { + expand(*mvp, buf, sizeof buf, e); + *pvp++ = sm_rpool_strdup_x(e->e_rpool, buf); + if (pvp >= &pv[MAXPV]) + syserr("554 5.3.0 deliver: pv overflow after $u for %s", + pv[0]); + } + } + *pvp++ = NULL; + + /* + ** Call the mailer. + ** The argument vector gets built, pipes + ** are created as necessary, and we fork & exec as + ** appropriate. + ** If we are running SMTP, we just need to clean up. + */ + + /* XXX this seems a bit wierd */ + if (ctladdr == NULL && m != ProgMailer && m != FileMailer && + bitset(QGOODUID, e->e_from.q_flags)) + ctladdr = &e->e_from; + +#if NAMED_BIND + if (ConfigLevel < 2) + _res.options &= ~(RES_DEFNAMES | RES_DNSRCH); /* XXX */ +#endif /* NAMED_BIND */ + + if (tTd(11, 1)) + { + sm_dprintf("openmailer:"); + printav(sm_debug_file(), pv); + } + errno = 0; + SM_SET_H_ERRNO(0); + CurHostName = NULL; + + /* + ** Deal with the special case of mail handled through an IPC + ** connection. + ** In this case we don't actually fork. We must be + ** running SMTP for this to work. We will return a + ** zero pid to indicate that we are running IPC. + ** We also handle a debug version that just talks to stdin/out. + */ + + curhost = NULL; + SmtpPhase = NULL; + mci = NULL; + +#if XDEBUG + { + char wbuf[MAXLINE]; + + /* make absolutely certain 0, 1, and 2 are in use */ + (void) sm_snprintf(wbuf, sizeof wbuf, "%s... openmailer(%s)", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name); + checkfd012(wbuf); + } +#endif /* XDEBUG */ + + /* check for 8-bit available */ + if (bitset(EF_HAS8BIT, e->e_flags) && + bitnset(M_7BITS, m->m_flags) && + (bitset(EF_DONT_MIME, e->e_flags) || + !(bitset(MM_MIME8BIT, MimeMode) || + (bitset(EF_IS_MIME, e->e_flags) && + bitset(MM_CVTMIME, MimeMode))))) + { + e->e_status = "5.6.3"; + usrerrenh(e->e_status, + "554 Cannot send 8-bit data to 7-bit destination"); + rcode = EX_DATAERR; + goto give_up; + } + + if (tTd(62, 8)) + checkfds("before delivery"); + + /* check for Local Person Communication -- not for mortals!!! */ + if (strcmp(m->m_mailer, "[LPC]") == 0) + { + if (clever) + { + /* flush any expired connections */ + (void) mci_scan(NULL); + + /* try to get a cached connection or just a slot */ + mci = mci_get(m->m_name, m); + if (mci->mci_host == NULL) + mci->mci_host = m->m_name; + CurHostName = mci->mci_host; + if (mci->mci_state != MCIS_CLOSED) + { + message("Using cached SMTP/LPC connection for %s...", + m->m_name); + mci->mci_deliveries++; + goto do_transfer; + } + } + else + { + mci = mci_new(e->e_rpool); + } + mci->mci_in = smioin; + mci->mci_out = smioout; + mci->mci_mailer = m; + mci->mci_host = m->m_name; + if (clever) + { + mci->mci_state = MCIS_OPENING; + mci_cache(mci); + } + else + mci->mci_state = MCIS_OPEN; + } + else if (strcmp(m->m_mailer, "[IPC]") == 0) + { + register int i; + + if (pv[0] == NULL || pv[1] == NULL || pv[1][0] == '\0') + { + syserr("null destination for %s mailer", m->m_mailer); + rcode = EX_CONFIG; + goto give_up; + } + +# if NETUNIX + if (strcmp(pv[0], "FILE") == 0) + { + curhost = CurHostName = "localhost"; + mux_path = pv[1]; + } + else +# endif /* NETUNIX */ + { + CurHostName = pv[1]; + curhost = hostsignature(m, pv[1]); + } + + if (curhost == NULL || curhost[0] == '\0') + { + syserr("null host signature for %s", pv[1]); + rcode = EX_CONFIG; + goto give_up; + } + + if (!clever) + { + syserr("554 5.3.5 non-clever IPC"); + rcode = EX_CONFIG; + goto give_up; + } + if (pv[2] != NULL +# if NETUNIX + && mux_path == NULL +# endif /* NETUNIX */ + ) + { + port = htons((unsigned short) atoi(pv[2])); + if (port == 0) + { +# ifdef NO_GETSERVBYNAME + syserr("Invalid port number: %s", pv[2]); +# else /* NO_GETSERVBYNAME */ + struct servent *sp = getservbyname(pv[2], "tcp"); + + if (sp == NULL) + syserr("Service %s unknown", pv[2]); + else + port = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + } + + nummxhosts = parse_hostsignature(curhost, mxhosts, m); + if (TimeOuts.to_aconnect > 0) + enough = curtime() + TimeOuts.to_aconnect; +tryhost: + while (hostnum < nummxhosts) + { + char sep = ':'; + char *endp; + static char hostbuf[MAXNAME + 1]; + bool tried_fallbacksmarthost = false; + +# if NETINET6 + if (*mxhosts[hostnum] == '[') + { + endp = strchr(mxhosts[hostnum] + 1, ']'); + if (endp != NULL) + endp = strpbrk(endp + 1, ":,"); + } + else + endp = strpbrk(mxhosts[hostnum], ":,"); +# else /* NETINET6 */ + endp = strpbrk(mxhosts[hostnum], ":,"); +# endif /* NETINET6 */ + if (endp != NULL) + { + sep = *endp; + *endp = '\0'; + } + + if (hostnum == 1 && skip_back != NULL) + { + /* + ** Coattail piggybacking is no longer an + ** option with the mail host next to be tried + ** no longer the lowest MX preference + ** (hostnum == 1 meaning we're on the second + ** preference). We do not try to coattail + ** piggyback more than the first MX preference. + ** Revert 'tochain' to last location for + ** coincidental piggybacking. This works this + ** easily because the q_tchain kept getting + ** added to the top of the linked list. + */ + + tochain = skip_back; + } + + if (*mxhosts[hostnum] == '\0') + { + syserr("deliver: null host name in signature"); + hostnum++; + if (endp != NULL) + *endp = sep; + continue; + } + (void) sm_strlcpy(hostbuf, mxhosts[hostnum], + sizeof hostbuf); + hostnum++; + if (endp != NULL) + *endp = sep; + + one_last_try: + /* see if we already know that this host is fried */ + CurHostName = hostbuf; + mci = mci_get(hostbuf, m); + if (mci->mci_state != MCIS_CLOSED) + { + char *type; + + if (tTd(11, 1)) + { + sm_dprintf("openmailer: "); + mci_dump(sm_debug_file(), mci, false); + } + CurHostName = mci->mci_host; + if (bitnset(M_LMTP, m->m_flags)) + type = "L"; + else if (bitset(MCIF_ESMTP, mci->mci_flags)) + type = "ES"; + else + type = "S"; + message("Using cached %sMTP connection to %s via %s...", + type, hostbuf, m->m_name); + mci->mci_deliveries++; + break; + } + mci->mci_mailer = m; + if (mci->mci_exitstat != EX_OK) + { + if (mci->mci_exitstat == EX_TEMPFAIL) + goodmxfound = true; + + /* Try FallbackSmartHost? */ + if (should_try_fbsh(e, &tried_fallbacksmarthost, + hostbuf, sizeof hostbuf, + mci->mci_exitstat)) + goto one_last_try; + + continue; + } + + if (mci_lock_host(mci) != EX_OK) + { + mci_setstat(mci, EX_TEMPFAIL, "4.4.5", NULL); + goodmxfound = true; + continue; + } + + /* try the connection */ + sm_setproctitle(true, e, "%s %s: %s", + qid_printname(e), + hostbuf, "user open"); +# if NETUNIX + if (mux_path != NULL) + { + message("Connecting to %s via %s...", + mux_path, m->m_name); + i = makeconnection_ds((char *) mux_path, mci); + } + else +# endif /* NETUNIX */ + { + if (port == 0) + message("Connecting to %s via %s...", + hostbuf, m->m_name); + else + message("Connecting to %s port %d via %s...", + hostbuf, ntohs(port), + m->m_name); + i = makeconnection(hostbuf, port, mci, e, + enough); + } + mci->mci_errno = errno; + mci->mci_lastuse = curtime(); + mci->mci_deliveries = 0; + mci->mci_exitstat = i; +# if NAMED_BIND + mci->mci_herrno = h_errno; +# endif /* NAMED_BIND */ + + /* + ** Have we tried long enough to get a connection? + ** If yes, skip to the fallback MX hosts + ** (if existent). + */ + + if (enough > 0 && mci->mci_lastuse >= enough) + { + int h; +# if NAMED_BIND + extern int NumFallbackMXHosts; +# else /* NAMED_BIND */ + const int NumFallbackMXHosts = 0; +# endif /* NAMED_BIND */ + + if (hostnum < nummxhosts && LogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "Timeout.to_aconnect occurred before exhausting all addresses"); + + /* turn off timeout if fallback available */ + if (NumFallbackMXHosts > 0) + enough = 0; + + /* skip to a fallback MX host */ + h = nummxhosts - NumFallbackMXHosts; + if (hostnum < h) + hostnum = h; + } + if (i == EX_OK) + { + goodmxfound = true; + markstats(e, firstto, STATS_CONNECT); + mci->mci_state = MCIS_OPENING; + mci_cache(mci); + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "%05d === CONNECT %s\n", + (int) CurrentPid, + hostbuf); + break; + } + else + { + /* Try FallbackSmartHost? */ + if (should_try_fbsh(e, &tried_fallbacksmarthost, + hostbuf, sizeof hostbuf, i)) + goto one_last_try; + + if (tTd(11, 1)) + sm_dprintf("openmailer: makeconnection => stat=%d, errno=%d\n", + i, errno); + if (i == EX_TEMPFAIL) + goodmxfound = true; + mci_unlock_host(mci); + } + + /* enter status of this host */ + setstat(i); + + /* should print some message here for -v mode */ + } + if (mci == NULL) + { + syserr("deliver: no host name"); + rcode = EX_SOFTWARE; + goto give_up; + } + mci->mci_pid = 0; + } + else + { + /* flush any expired connections */ + (void) mci_scan(NULL); + mci = NULL; + + if (bitnset(M_LMTP, m->m_flags)) + { + /* try to get a cached connection */ + mci = mci_get(m->m_name, m); + if (mci->mci_host == NULL) + mci->mci_host = m->m_name; + CurHostName = mci->mci_host; + if (mci->mci_state != MCIS_CLOSED) + { + message("Using cached LMTP connection for %s...", + m->m_name); + mci->mci_deliveries++; + goto do_transfer; + } + } + + /* announce the connection to verbose listeners */ + if (host == NULL || host[0] == '\0') + message("Connecting to %s...", m->m_name); + else + message("Connecting to %s via %s...", host, m->m_name); + if (TrafficLogFile != NULL) + { + char **av; + + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d === EXEC", (int) CurrentPid); + for (av = pv; *av != NULL; av++) + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, " %s", + *av); + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "\n"); + } + +#if XDEBUG + checkfd012("before creating mail pipe"); +#endif /* XDEBUG */ + + /* create a pipe to shove the mail through */ + if (pipe(mpvect) < 0) + { + syserr("%s... openmailer(%s): pipe (to mailer)", + shortenstring(e->e_to, MAXSHORTSTR), m->m_name); + if (tTd(11, 1)) + sm_dprintf("openmailer: NULL\n"); + rcode = EX_OSERR; + goto give_up; + } + +#if XDEBUG + /* make sure we didn't get one of the standard I/O files */ + if (mpvect[0] < 3 || mpvect[1] < 3) + { + syserr("%s... openmailer(%s): bogus mpvect %d %d", + shortenstring(e->e_to, MAXSHORTSTR), m->m_name, + mpvect[0], mpvect[1]); + printopenfds(true); + if (tTd(11, 1)) + sm_dprintf("openmailer: NULL\n"); + rcode = EX_OSERR; + goto give_up; + } + + /* make sure system call isn't dead meat */ + checkfdopen(mpvect[0], "mpvect[0]"); + checkfdopen(mpvect[1], "mpvect[1]"); + if (mpvect[0] == mpvect[1] || + (e->e_lockfp != NULL && + (mpvect[0] == sm_io_getinfo(e->e_lockfp, SM_IO_WHAT_FD, + NULL) || + mpvect[1] == sm_io_getinfo(e->e_lockfp, SM_IO_WHAT_FD, + NULL)))) + { + if (e->e_lockfp == NULL) + syserr("%s... openmailer(%s): overlapping mpvect %d %d", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name, mpvect[0], mpvect[1]); + else + syserr("%s... openmailer(%s): overlapping mpvect %d %d, lockfp = %d", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name, mpvect[0], mpvect[1], + sm_io_getinfo(e->e_lockfp, + SM_IO_WHAT_FD, NULL)); + } +#endif /* XDEBUG */ + + /* create a return pipe */ + if (pipe(rpvect) < 0) + { + syserr("%s... openmailer(%s): pipe (from mailer)", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name); + (void) close(mpvect[0]); + (void) close(mpvect[1]); + if (tTd(11, 1)) + sm_dprintf("openmailer: NULL\n"); + rcode = EX_OSERR; + goto give_up; + } +#if XDEBUG + checkfdopen(rpvect[0], "rpvect[0]"); + checkfdopen(rpvect[1], "rpvect[1]"); +#endif /* XDEBUG */ + + /* + ** Actually fork the mailer process. + ** DOFORK is clever about retrying. + ** + ** Dispose of SIGCHLD signal catchers that may be laying + ** around so that endmailer will get it. + */ + + if (e->e_xfp != NULL) /* for debugging */ + (void) sm_io_flush(e->e_xfp, SM_TIME_DEFAULT); + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + (void) sm_signal(SIGCHLD, SIG_DFL); + + + DOFORK(FORK); + /* pid is set by DOFORK */ + + if (pid < 0) + { + /* failure */ + syserr("%s... openmailer(%s): cannot fork", + shortenstring(e->e_to, MAXSHORTSTR), m->m_name); + (void) close(mpvect[0]); + (void) close(mpvect[1]); + (void) close(rpvect[0]); + (void) close(rpvect[1]); + if (tTd(11, 1)) + sm_dprintf("openmailer: NULL\n"); + rcode = EX_OSERR; + goto give_up; + } + else if (pid == 0) + { + int save_errno; + int sff; + int new_euid = NO_UID; + int new_ruid = NO_UID; + int new_gid = NO_GID; + char *user = NULL; + struct stat stb; + extern int DtableSize; + + CurrentPid = getpid(); + + /* clear the events to turn off SIGALRMs */ + sm_clear_events(); + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + + if (e->e_lockfp != NULL) + (void) close(sm_io_getinfo(e->e_lockfp, + SM_IO_WHAT_FD, + NULL)); + + /* child -- set up input & exec mailer */ + (void) sm_signal(SIGALRM, sm_signal_noop); + (void) sm_signal(SIGCHLD, SIG_DFL); + (void) sm_signal(SIGHUP, SIG_IGN); + (void) sm_signal(SIGINT, SIG_IGN); + (void) sm_signal(SIGTERM, SIG_DFL); +# ifdef SIGUSR1 + (void) sm_signal(SIGUSR1, sm_signal_noop); +# endif /* SIGUSR1 */ + + if (m != FileMailer || stat(tochain->q_user, &stb) < 0) + stb.st_mode = 0; + +# if HASSETUSERCONTEXT + /* + ** Set user resources. + */ + + if (contextaddr != NULL) + { + int sucflags; + struct passwd *pwd; + + if (contextaddr->q_ruser != NULL) + pwd = sm_getpwnam(contextaddr->q_ruser); + else + pwd = sm_getpwnam(contextaddr->q_user); + sucflags = LOGIN_SETRESOURCES|LOGIN_SETPRIORITY; +#ifdef LOGIN_SETMAC + sucflags |= LOGIN_SETMAC; +#endif /* LOGIN_SETMAC */ + if (pwd != NULL && + setusercontext(NULL, pwd, pwd->pw_uid, + sucflags) == -1 && + suidwarn) + { + syserr("openmailer: setusercontext() failed"); + exit(EX_TEMPFAIL); + } + } +# endif /* HASSETUSERCONTEXT */ + +#if HASNICE + /* tweak niceness */ + if (m->m_nice != 0) + (void) nice(m->m_nice); +#endif /* HASNICE */ + + /* reset group id */ + if (bitnset(M_SPECIFIC_UID, m->m_flags)) + { + if (m->m_gid == NO_GID) + new_gid = RunAsGid; + else + new_gid = m->m_gid; + } + else if (bitset(S_ISGID, stb.st_mode)) + new_gid = stb.st_gid; + else if (ctladdr != NULL && ctladdr->q_gid != 0) + { + if (!DontInitGroups) + { + user = ctladdr->q_ruser; + if (user == NULL) + user = ctladdr->q_user; + + if (initgroups(user, + ctladdr->q_gid) == -1 + && suidwarn) + { + syserr("openmailer: initgroups(%s, %d) failed", + user, ctladdr->q_gid); + exit(EX_TEMPFAIL); + } + } + else + { + GIDSET_T gidset[1]; + + gidset[0] = ctladdr->q_gid; + if (setgroups(1, gidset) == -1 + && suidwarn) + { + syserr("openmailer: setgroups() failed"); + exit(EX_TEMPFAIL); + } + } + new_gid = ctladdr->q_gid; + } + else + { + if (!DontInitGroups) + { + user = DefUser; + if (initgroups(DefUser, DefGid) == -1 && + suidwarn) + { + syserr("openmailer: initgroups(%s, %d) failed", + DefUser, DefGid); + exit(EX_TEMPFAIL); + } + } + else + { + GIDSET_T gidset[1]; + + gidset[0] = DefGid; + if (setgroups(1, gidset) == -1 + && suidwarn) + { + syserr("openmailer: setgroups() failed"); + exit(EX_TEMPFAIL); + } + } + if (m->m_gid == NO_GID) + new_gid = DefGid; + else + new_gid = m->m_gid; + } + if (new_gid != NO_GID) + { + if (RunAsUid != 0 && + bitnset(M_SPECIFIC_UID, m->m_flags) && + new_gid != getgid() && + new_gid != getegid()) + { + /* Only root can change the gid */ + syserr("openmailer: insufficient privileges to change gid, RunAsUid=%d, new_gid=%d, gid=%d, egid=%d", + (int) RunAsUid, (int) new_gid, + (int) getgid(), (int) getegid()); + exit(EX_TEMPFAIL); + } + + if (setgid(new_gid) < 0 && suidwarn) + { + syserr("openmailer: setgid(%ld) failed", + (long) new_gid); + exit(EX_TEMPFAIL); + } + } + + /* change root to some "safe" directory */ + if (m->m_rootdir != NULL) + { + expand(m->m_rootdir, cbuf, sizeof cbuf, e); + if (tTd(11, 20)) + sm_dprintf("openmailer: chroot %s\n", + cbuf); + if (chroot(cbuf) < 0) + { + syserr("openmailer: Cannot chroot(%s)", + cbuf); + exit(EX_TEMPFAIL); + } + if (chdir("/") < 0) + { + syserr("openmailer: cannot chdir(/)"); + exit(EX_TEMPFAIL); + } + } + + /* reset user id */ + endpwent(); + sm_mbdb_terminate(); + if (bitnset(M_SPECIFIC_UID, m->m_flags)) + { + if (m->m_uid == NO_UID) + new_euid = RunAsUid; + else + new_euid = m->m_uid; + + /* + ** Undo the effects of the uid change in main + ** for signal handling. The real uid may + ** be used by mailer in adding a "From " + ** line. + */ + + if (RealUid != 0 && RealUid != getuid()) + { +# if MAILER_SETUID_METHOD == USE_SETEUID +# if HASSETREUID + if (setreuid(RealUid, geteuid()) < 0) + { + syserr("openmailer: setreuid(%d, %d) failed", + (int) RealUid, (int) geteuid()); + exit(EX_OSERR); + } +# endif /* HASSETREUID */ +# endif /* MAILER_SETUID_METHOD == USE_SETEUID */ +# if MAILER_SETUID_METHOD == USE_SETREUID + new_ruid = RealUid; +# endif /* MAILER_SETUID_METHOD == USE_SETREUID */ + } + } + else if (bitset(S_ISUID, stb.st_mode)) + new_ruid = stb.st_uid; + else if (ctladdr != NULL && ctladdr->q_uid != 0) + new_ruid = ctladdr->q_uid; + else if (m->m_uid != NO_UID) + new_ruid = m->m_uid; + else + new_ruid = DefUid; + +# if _FFR_USE_SETLOGIN + /* run disconnected from terminal and set login name */ + if (setsid() >= 0 && + ctladdr != NULL && ctladdr->q_uid != 0 && + new_euid == ctladdr->q_uid) + { + struct passwd *pwd; + + pwd = sm_getpwuid(ctladdr->q_uid); + if (pwd != NULL && suidwarn) + (void) setlogin(pwd->pw_name); + endpwent(); + } +# endif /* _FFR_USE_SETLOGIN */ + + if (new_euid != NO_UID) + { + if (RunAsUid != 0 && new_euid != RunAsUid) + { + /* Only root can change the uid */ + syserr("openmailer: insufficient privileges to change uid, new_euid=%d, RunAsUid=%d", + (int) new_euid, (int) RunAsUid); + exit(EX_TEMPFAIL); + } + + vendor_set_uid(new_euid); +# if MAILER_SETUID_METHOD == USE_SETEUID + if (seteuid(new_euid) < 0 && suidwarn) + { + syserr("openmailer: seteuid(%ld) failed", + (long) new_euid); + exit(EX_TEMPFAIL); + } +# endif /* MAILER_SETUID_METHOD == USE_SETEUID */ +# if MAILER_SETUID_METHOD == USE_SETREUID + if (setreuid(new_ruid, new_euid) < 0 && suidwarn) + { + syserr("openmailer: setreuid(%ld, %ld) failed", + (long) new_ruid, (long) new_euid); + exit(EX_TEMPFAIL); + } +# endif /* MAILER_SETUID_METHOD == USE_SETREUID */ +# if MAILER_SETUID_METHOD == USE_SETUID + if (new_euid != geteuid() && setuid(new_euid) < 0 && suidwarn) + { + syserr("openmailer: setuid(%ld) failed", + (long) new_euid); + exit(EX_TEMPFAIL); + } +# endif /* MAILER_SETUID_METHOD == USE_SETUID */ + } + else if (new_ruid != NO_UID) + { + vendor_set_uid(new_ruid); + if (setuid(new_ruid) < 0 && suidwarn) + { + syserr("openmailer: setuid(%ld) failed", + (long) new_ruid); + exit(EX_TEMPFAIL); + } + } + + if (tTd(11, 2)) + sm_dprintf("openmailer: running as r/euid=%d/%d, r/egid=%d/%d\n", + (int) getuid(), (int) geteuid(), + (int) getgid(), (int) getegid()); + + /* move into some "safe" directory */ + if (m->m_execdir != NULL) + { + char *q; + + for (p = m->m_execdir; p != NULL; p = q) + { + q = strchr(p, ':'); + if (q != NULL) + *q = '\0'; + expand(p, cbuf, sizeof cbuf, e); + if (q != NULL) + *q++ = ':'; + if (tTd(11, 20)) + sm_dprintf("openmailer: trydir %s\n", + cbuf); + if (cbuf[0] != '\0' && + chdir(cbuf) >= 0) + break; + } + } + + /* Check safety of program to be run */ + sff = SFF_ROOTOK|SFF_EXECOK; + if (!bitnset(DBS_RUNWRITABLEPROGRAM, + DontBlameSendmail)) + sff |= SFF_NOGWFILES|SFF_NOWWFILES; + if (bitnset(DBS_RUNPROGRAMINUNSAFEDIRPATH, + DontBlameSendmail)) + sff |= SFF_NOPATHCHECK; + else + sff |= SFF_SAFEDIRPATH; + ret = safefile(m->m_mailer, getuid(), getgid(), + user, sff, 0, NULL); + if (ret != 0) + sm_syslog(LOG_INFO, e->e_id, + "Warning: program %s unsafe: %s", + m->m_mailer, sm_errstring(ret)); + + /* arrange to filter std & diag output of command */ + (void) close(rpvect[0]); + if (dup2(rpvect[1], STDOUT_FILENO) < 0) + { + syserr("%s... openmailer(%s): cannot dup pipe %d for stdout", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name, rpvect[1]); + _exit(EX_OSERR); + } + (void) close(rpvect[1]); + + if (dup2(STDOUT_FILENO, STDERR_FILENO) < 0) + { + syserr("%s... openmailer(%s): cannot dup stdout for stderr", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name); + _exit(EX_OSERR); + } + + /* arrange to get standard input */ + (void) close(mpvect[1]); + if (dup2(mpvect[0], STDIN_FILENO) < 0) + { + syserr("%s... openmailer(%s): cannot dup pipe %d for stdin", + shortenstring(e->e_to, MAXSHORTSTR), + m->m_name, mpvect[0]); + _exit(EX_OSERR); + } + (void) close(mpvect[0]); + + /* arrange for all the files to be closed */ + sm_close_on_exec(STDERR_FILENO + 1, DtableSize); + +# if !_FFR_USE_SETLOGIN + /* run disconnected from terminal */ + (void) setsid(); +# endif /* !_FFR_USE_SETLOGIN */ + + /* try to execute the mailer */ + (void) execve(m->m_mailer, (ARGV_T) pv, + (ARGV_T) UserEnviron); + save_errno = errno; + syserr("Cannot exec %s", m->m_mailer); + if (bitnset(M_LOCALMAILER, m->m_flags) || + transienterror(save_errno)) + _exit(EX_OSERR); + _exit(EX_UNAVAILABLE); + } + + /* + ** Set up return value. + */ + + if (mci == NULL) + { + if (clever) + { + /* + ** Allocate from general heap, not + ** envelope rpool, because this mci + ** is going to be cached. + */ + + mci = mci_new(NULL); + } + else + { + /* + ** Prevent a storage leak by allocating + ** this from the envelope rpool. + */ + + mci = mci_new(e->e_rpool); + } + } + mci->mci_mailer = m; + if (clever) + { + mci->mci_state = MCIS_OPENING; + mci_cache(mci); + } + else + { + mci->mci_state = MCIS_OPEN; + } + mci->mci_pid = pid; + (void) close(mpvect[0]); + mci->mci_out = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &(mpvect[1]), SM_IO_WRONLY_B, + NULL); + if (mci->mci_out == NULL) + { + syserr("deliver: cannot create mailer output channel, fd=%d", + mpvect[1]); + (void) close(mpvect[1]); + (void) close(rpvect[0]); + (void) close(rpvect[1]); + rcode = EX_OSERR; + goto give_up; + } + + (void) close(rpvect[1]); + mci->mci_in = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &(rpvect[0]), SM_IO_RDONLY_B, + NULL); + if (mci->mci_in == NULL) + { + syserr("deliver: cannot create mailer input channel, fd=%d", + mpvect[1]); + (void) close(rpvect[0]); + (void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT); + mci->mci_out = NULL; + rcode = EX_OSERR; + goto give_up; + } + } + + /* + ** If we are in SMTP opening state, send initial protocol. + */ + + if (bitnset(M_7BITS, m->m_flags) && + (!clever || mci->mci_state == MCIS_OPENING)) + mci->mci_flags |= MCIF_7BIT; + if (clever && mci->mci_state != MCIS_CLOSED) + { +# if STARTTLS || SASL + int dotpos; + char *srvname; + extern SOCKADDR CurHostAddr; +# endif /* STARTTLS || SASL */ + +# if SASL +# define DONE_AUTH(f) bitset(MCIF_AUTHACT, f) +# endif /* SASL */ +# if STARTTLS +# define DONE_STARTTLS(f) bitset(MCIF_TLSACT, f) +# endif /* STARTTLS */ +# define ONLY_HELO(f) bitset(MCIF_ONLY_EHLO, f) +# define SET_HELO(f) f |= MCIF_ONLY_EHLO +# define CLR_HELO(f) f &= ~MCIF_ONLY_EHLO + +# if STARTTLS || SASL + /* don't use CurHostName, it is changed in many places */ + if (mci->mci_host != NULL) + { + srvname = mci->mci_host; + dotpos = strlen(srvname) - 1; + if (dotpos >= 0) + { + if (srvname[dotpos] == '.') + srvname[dotpos] = '\0'; + else + dotpos = -1; + } + } + else if (mci->mci_mailer != NULL) + { + srvname = mci->mci_mailer->m_name; + dotpos = -1; + } + else + { + srvname = "local"; + dotpos = -1; + } + + /* don't set {server_name} to NULL or "": see getauth() */ + macdefine(&mci->mci_macro, A_TEMP, macid("{server_name}"), + srvname); + + /* CurHostAddr is set by makeconnection() and mci_get() */ + if (CurHostAddr.sa.sa_family != 0) + { + macdefine(&mci->mci_macro, A_TEMP, + macid("{server_addr}"), + anynet_ntoa(&CurHostAddr)); + } + else if (mci->mci_mailer != NULL) + { + /* mailer name is unique, use it as address */ + macdefine(&mci->mci_macro, A_PERM, + macid("{server_addr}"), + mci->mci_mailer->m_name); + } + else + { + /* don't set it to NULL or "": see getauth() */ + macdefine(&mci->mci_macro, A_PERM, + macid("{server_addr}"), "0"); + } + + /* undo change of srvname (mci->mci_host) */ + if (dotpos >= 0) + srvname[dotpos] = '.'; + +reconnect: /* after switching to an encrypted connection */ +# endif /* STARTTLS || SASL */ + + /* set the current connection information */ + e->e_mci = mci; +# if SASL + mci->mci_saslcap = NULL; +# endif /* SASL */ + smtpinit(m, mci, e, ONLY_HELO(mci->mci_flags)); + CLR_HELO(mci->mci_flags); + + if (IS_DLVR_RETURN(e)) + { + /* + ** Check whether other side can deliver e-mail + ** fast enough + */ + + if (!bitset(MCIF_DLVR_BY, mci->mci_flags)) + { + e->e_status = "5.4.7"; + usrerrenh(e->e_status, + "554 Server does not support Deliver By"); + rcode = EX_UNAVAILABLE; + goto give_up; + } + if (e->e_deliver_by > 0 && + e->e_deliver_by - (curtime() - e->e_ctime) < + mci->mci_min_by) + { + e->e_status = "5.4.7"; + usrerrenh(e->e_status, + "554 Message can't be delivered in time; %ld < %ld", + e->e_deliver_by - (curtime() - e->e_ctime), + mci->mci_min_by); + rcode = EX_UNAVAILABLE; + goto give_up; + } + } + +# if STARTTLS + /* first TLS then AUTH to provide a security layer */ + if (mci->mci_state != MCIS_CLOSED && + !DONE_STARTTLS(mci->mci_flags)) + { + int olderrors; + bool usetls; + bool saveQuickAbort = QuickAbort; + bool saveSuprErrs = SuprErrs; + char *host = NULL; + + rcode = EX_OK; + usetls = bitset(MCIF_TLS, mci->mci_flags); + if (usetls) + usetls = !iscltflgset(e, D_NOTLS); + + if (usetls) + { + host = macvalue(macid("{server_name}"), e); + olderrors = Errors; + QuickAbort = false; + SuprErrs = true; + if (rscheck("try_tls", host, NULL, e, + RSF_RMCOMM, 7, host, NOQID) != EX_OK + || Errors > olderrors) + usetls = false; + SuprErrs = saveSuprErrs; + QuickAbort = saveQuickAbort; + } + + if (usetls) + { + if ((rcode = starttls(m, mci, e)) == EX_OK) + { + /* start again without STARTTLS */ + mci->mci_flags |= MCIF_TLSACT; + } + else + { + char *s; + + /* + ** TLS negotation failed, what to do? + ** fall back to unencrypted connection + ** or abort? How to decide? + ** set a macro and call a ruleset. + */ + + mci->mci_flags &= ~MCIF_TLS; + switch (rcode) + { + case EX_TEMPFAIL: + s = "TEMP"; + break; + case EX_USAGE: + s = "USAGE"; + break; + case EX_PROTOCOL: + s = "PROTOCOL"; + break; + case EX_SOFTWARE: + s = "SOFTWARE"; + break; + + /* everything else is a failure */ + default: + s = "FAILURE"; + rcode = EX_TEMPFAIL; + } + macdefine(&e->e_macro, A_PERM, + macid("{verify}"), s); + } + } + else + macdefine(&e->e_macro, A_PERM, + macid("{verify}"), "NONE"); + olderrors = Errors; + QuickAbort = false; + SuprErrs = true; + + /* + ** rcode == EX_SOFTWARE is special: + ** the TLS negotation failed + ** we have to drop the connection no matter what + ** However, we call tls_server to give it the chance + ** to log the problem and return an appropriate + ** error code. + */ + + if (rscheck("tls_server", + macvalue(macid("{verify}"), e), + NULL, e, RSF_RMCOMM|RSF_COUNT, 5, + host, NOQID) != EX_OK || + Errors > olderrors || + rcode == EX_SOFTWARE) + { + char enhsc[ENHSCLEN]; + extern char MsgBuf[]; + + if (ISSMTPCODE(MsgBuf) && + extenhsc(MsgBuf + 4, ' ', enhsc) > 0) + { + p = sm_rpool_strdup_x(e->e_rpool, + MsgBuf); + } + else + { + p = "403 4.7.0 server not authenticated."; + (void) sm_strlcpy(enhsc, "4.7.0", + sizeof enhsc); + } + SuprErrs = saveSuprErrs; + QuickAbort = saveQuickAbort; + + if (rcode == EX_SOFTWARE) + { + /* drop the connection */ + mci->mci_state = MCIS_QUITING; + if (mci->mci_in != NULL) + { + (void) sm_io_close(mci->mci_in, + SM_TIME_DEFAULT); + mci->mci_in = NULL; + } + mci->mci_flags &= ~MCIF_TLSACT; + (void) endmailer(mci, e, pv); + } + else + { + /* abort transfer */ + smtpquit(m, mci, e); + } + + /* avoid bogus error msg */ + mci->mci_errno = 0; + + /* temp or permanent failure? */ + rcode = (*p == '4') ? EX_TEMPFAIL + : EX_UNAVAILABLE; + mci_setstat(mci, rcode, enhsc, p); + + /* + ** hack to get the error message into + ** the envelope (done in giveresponse()) + */ + + (void) sm_strlcpy(SmtpError, p, + sizeof SmtpError); + } + QuickAbort = saveQuickAbort; + SuprErrs = saveSuprErrs; + if (DONE_STARTTLS(mci->mci_flags) && + mci->mci_state != MCIS_CLOSED) + { + SET_HELO(mci->mci_flags); + mci->mci_flags &= ~MCIF_EXTENS; + goto reconnect; + } + } +# endif /* STARTTLS */ +# if SASL + /* if other server supports authentication let's authenticate */ + if (mci->mci_state != MCIS_CLOSED && + mci->mci_saslcap != NULL && + !DONE_AUTH(mci->mci_flags) && !iscltflgset(e, D_NOAUTH)) + { + /* Should we require some minimum authentication? */ + if ((ret = smtpauth(m, mci, e)) == EX_OK) + { + int result; + sasl_ssf_t *ssf = NULL; + + /* Get security strength (features) */ + result = sasl_getprop(mci->mci_conn, SASL_SSF, +# if SASL >= 20000 + (const void **) &ssf); +# else /* SASL >= 20000 */ + (void **) &ssf); +# endif /* SASL >= 20000 */ + + /* XXX authid? */ + if (LogLevel > 9) + sm_syslog(LOG_INFO, NOQID, + "AUTH=client, relay=%.100s, mech=%.16s, bits=%d", + mci->mci_host, + macvalue(macid("{auth_type}"), e), + result == SASL_OK ? *ssf : 0); + + /* + ** Only switch to encrypted connection + ** if a security layer has been negotiated + */ + + if (result == SASL_OK && *ssf > 0) + { + /* + ** Convert I/O layer to use SASL. + ** If the call fails, the connection + ** is aborted. + */ + + if (sfdcsasl(&mci->mci_in, + &mci->mci_out, + mci->mci_conn) == 0) + { + mci->mci_flags &= ~MCIF_EXTENS; + mci->mci_flags |= MCIF_AUTHACT| + MCIF_ONLY_EHLO; + goto reconnect; + } + syserr("AUTH TLS switch failed in client"); + } + /* else? XXX */ + mci->mci_flags |= MCIF_AUTHACT; + + } + else if (ret == EX_TEMPFAIL) + { + if (LogLevel > 8) + sm_syslog(LOG_ERR, NOQID, + "AUTH=client, relay=%.100s, temporary failure, connection abort", + mci->mci_host); + smtpquit(m, mci, e); + + /* avoid bogus error msg */ + mci->mci_errno = 0; + rcode = EX_TEMPFAIL; + mci_setstat(mci, rcode, "4.3.0", p); + + /* + ** hack to get the error message into + ** the envelope (done in giveresponse()) + */ + + (void) sm_strlcpy(SmtpError, + "Temporary AUTH failure", + sizeof SmtpError); + } + } +# endif /* SASL */ + } + + +do_transfer: + /* clear out per-message flags from connection structure */ + mci->mci_flags &= ~(MCIF_CVT7TO8|MCIF_CVT8TO7); + + if (bitset(EF_HAS8BIT, e->e_flags) && + !bitset(EF_DONT_MIME, e->e_flags) && + bitnset(M_7BITS, m->m_flags)) + mci->mci_flags |= MCIF_CVT8TO7; + +#if MIME7TO8 + if (bitnset(M_MAKE8BIT, m->m_flags) && + !bitset(MCIF_7BIT, mci->mci_flags) && + (p = hvalue("Content-Transfer-Encoding", e->e_header)) != NULL && + (sm_strcasecmp(p, "quoted-printable") == 0 || + sm_strcasecmp(p, "base64") == 0) && + (p = hvalue("Content-Type", e->e_header)) != NULL) + { + /* may want to convert 7 -> 8 */ + /* XXX should really parse it here -- and use a class XXX */ + if (sm_strncasecmp(p, "text/plain", 10) == 0 && + (p[10] == '\0' || p[10] == ' ' || p[10] == ';')) + mci->mci_flags |= MCIF_CVT7TO8; + } +#endif /* MIME7TO8 */ + + if (tTd(11, 1)) + { + sm_dprintf("openmailer: "); + mci_dump(sm_debug_file(), mci, false); + } + +#if _FFR_CLIENT_SIZE + /* + ** See if we know the maximum size and + ** abort if the message is too big. + ** + ** NOTE: _FFR_CLIENT_SIZE is untested. + */ + + if (bitset(MCIF_SIZE, mci->mci_flags) && + mci->mci_maxsize > 0 && + e->e_msgsize > mci->mci_maxsize) + { + e->e_flags |= EF_NO_BODY_RETN; + if (bitnset(M_LOCALMAILER, m->m_flags)) + e->e_status = "5.2.3"; + else + e->e_status = "5.3.4"; + + usrerrenh(e->e_status, + "552 Message is too large; %ld bytes max", + mci->mci_maxsize); + rcode = EX_DATAERR; + + /* Need an e_message for error */ + (void) sm_snprintf(SmtpError, sizeof SmtpError, + "Message is too large; %ld bytes max", + mci->mci_maxsize); + goto give_up; + } +#endif /* _FFR_CLIENT_SIZE */ + + if (mci->mci_state != MCIS_OPEN) + { + /* couldn't open the mailer */ + rcode = mci->mci_exitstat; + errno = mci->mci_errno; + SM_SET_H_ERRNO(mci->mci_herrno); + if (rcode == EX_OK) + { + /* shouldn't happen */ + syserr("554 5.3.5 deliver: mci=%lx rcode=%d errno=%d state=%d sig=%s", + (unsigned long) mci, rcode, errno, + mci->mci_state, firstsig); + mci_dump_all(smioout, true); + rcode = EX_SOFTWARE; + } + else if (nummxhosts > hostnum) + { + /* try next MX site */ + goto tryhost; + } + } + else if (!clever) + { + /* + ** Format and send message. + */ + + putfromline(mci, e); + (*e->e_puthdr)(mci, e->e_header, e, M87F_OUTER); + (*e->e_putbody)(mci, e, NULL); + + /* get the exit status */ + rcode = endmailer(mci, e, pv); + if (rcode == EX_TEMPFAIL && SmtpError[0] == '\0') + { + /* + ** Need an e_message for mailq display. + ** We set SmtpError as + */ + + (void) sm_snprintf(SmtpError, sizeof SmtpError, + "%s mailer (%s) exited with EX_TEMPFAIL", + m->m_name, m->m_mailer); + } + } + else + { + /* + ** Send the MAIL FROM: protocol + */ + + /* XXX this isn't pipelined... */ + rcode = smtpmailfrom(m, mci, e); + if (rcode == EX_OK) + { + register int i; +# if PIPELINING + ADDRESS *volatile pchain; +# endif /* PIPELINING */ + + /* send the recipient list */ + tobuf[0] = '\0'; + mci->mci_retryrcpt = false; + mci->mci_tolist = tobuf; +# if PIPELINING + pchain = NULL; + mci->mci_nextaddr = NULL; +# endif /* PIPELINING */ + + for (to = tochain; to != NULL; to = to->q_tchain) + { + if (!QS_IS_UNMARKED(to->q_state)) + continue; + + /* mark recipient state as "ok so far" */ + to->q_state = QS_OK; + e->e_to = to->q_paddr; +# if STARTTLS + i = rscheck("tls_rcpt", to->q_user, NULL, e, + RSF_RMCOMM|RSF_COUNT, 3, + mci->mci_host, e->e_id); + if (i != EX_OK) + { + markfailure(e, to, mci, i, false); + giveresponse(i, to->q_status, m, mci, + ctladdr, xstart, e, to); + if (i == EX_TEMPFAIL) + { + mci->mci_retryrcpt = true; + to->q_state = QS_RETRY; + } + continue; + } +# endif /* STARTTLS */ + + i = smtprcpt(to, m, mci, e, ctladdr, xstart); +# if PIPELINING + if (i == EX_OK && + bitset(MCIF_PIPELINED, mci->mci_flags)) + { + /* + ** Add new element to list of + ** recipients for pipelining. + */ + + to->q_pchain = NULL; + if (mci->mci_nextaddr == NULL) + mci->mci_nextaddr = to; + if (pchain == NULL) + pchain = to; + else + { + pchain->q_pchain = to; + pchain = pchain->q_pchain; + } + } +# endif /* PIPELINING */ + if (i != EX_OK) + { + markfailure(e, to, mci, i, false); + giveresponse(i, to->q_status, m, mci, + ctladdr, xstart, e, to); + if (i == EX_TEMPFAIL) + to->q_state = QS_RETRY; + } + } + + /* No recipients in list and no missing responses? */ + if (tobuf[0] == '\0' +# if PIPELINING + && mci->mci_nextaddr == NULL +# endif /* PIPELINING */ + ) + { + rcode = EX_OK; + e->e_to = NULL; + if (bitset(MCIF_CACHED, mci->mci_flags)) + smtprset(m, mci, e); + } + else + { + e->e_to = tobuf + 1; + rcode = smtpdata(m, mci, e, ctladdr, xstart); + } + } + if (rcode == EX_TEMPFAIL && nummxhosts > hostnum) + { + /* try next MX site */ + goto tryhost; + } + } +#if NAMED_BIND + if (ConfigLevel < 2) + _res.options |= RES_DEFNAMES | RES_DNSRCH; /* XXX */ +#endif /* NAMED_BIND */ + + if (tTd(62, 1)) + checkfds("after delivery"); + + /* + ** Do final status disposal. + ** We check for something in tobuf for the SMTP case. + ** If we got a temporary failure, arrange to queue the + ** addressees. + */ + + give_up: + if (bitnset(M_LMTP, m->m_flags)) + { + lmtp_rcode = rcode; + tobuf[0] = '\0'; + anyok = false; + strsize = 0; + } + else + anyok = rcode == EX_OK; + + for (to = tochain; to != NULL; to = to->q_tchain) + { + /* see if address already marked */ + if (!QS_IS_OK(to->q_state)) + continue; + + /* if running LMTP, get the status for each address */ + if (bitnset(M_LMTP, m->m_flags)) + { + if (lmtp_rcode == EX_OK) + rcode = smtpgetstat(m, mci, e); + if (rcode == EX_OK) + { + strsize += sm_strlcat2(tobuf + strsize, ",", + to->q_paddr, + tobufsize - strsize); + SM_ASSERT(strsize < tobufsize); + anyok = true; + } + else + { + e->e_to = to->q_paddr; + markfailure(e, to, mci, rcode, true); + giveresponse(rcode, to->q_status, m, mci, + ctladdr, xstart, e, to); + e->e_to = tobuf + 1; + continue; + } + } + else + { + /* mark bad addresses */ + if (rcode != EX_OK) + { + if (goodmxfound && rcode == EX_NOHOST) + rcode = EX_TEMPFAIL; + markfailure(e, to, mci, rcode, true); + continue; + } + } + + /* successful delivery */ + to->q_state = QS_SENT; + to->q_statdate = curtime(); + e->e_nsent++; + + /* + ** Checkpoint the send list every few addresses + */ + + if (CheckpointInterval > 0 && e->e_nsent >= CheckpointInterval) + { + queueup(e, false, false); + e->e_nsent = 0; + } + + if (bitnset(M_LOCALMAILER, m->m_flags) && + bitset(QPINGONSUCCESS, to->q_flags)) + { + to->q_flags |= QDELIVERED; + to->q_status = "2.1.5"; + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "%s... Successfully delivered\n", + to->q_paddr); + } + else if (bitset(QPINGONSUCCESS, to->q_flags) && + bitset(QPRIMARY, to->q_flags) && + !bitset(MCIF_DSN, mci->mci_flags)) + { + to->q_flags |= QRELAYED; + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "%s... relayed; expect no further notifications\n", + to->q_paddr); + } + else if (IS_DLVR_NOTIFY(e) && + !bitset(MCIF_DLVR_BY, mci->mci_flags) && + bitset(QPRIMARY, to->q_flags) && + (!bitset(QHASNOTIFY, to->q_flags) || + bitset(QPINGONSUCCESS, to->q_flags) || + bitset(QPINGONFAILURE, to->q_flags) || + bitset(QPINGONDELAY, to->q_flags))) + { + /* RFC 2852, 4.1.4.2: no NOTIFY, or not NEVER */ + to->q_flags |= QBYNRELAY; + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "%s... Deliver-by notify: relayed\n", + to->q_paddr); + } + else if (IS_DLVR_TRACE(e) && + (!bitset(QHASNOTIFY, to->q_flags) || + bitset(QPINGONSUCCESS, to->q_flags) || + bitset(QPINGONFAILURE, to->q_flags) || + bitset(QPINGONDELAY, to->q_flags)) && + bitset(QPRIMARY, to->q_flags)) + { + /* RFC 2852, 4.1.4: no NOTIFY, or not NEVER */ + to->q_flags |= QBYTRACE; + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "%s... Deliver-By trace: relayed\n", + to->q_paddr); + } + } + + if (bitnset(M_LMTP, m->m_flags)) + { + /* + ** Global information applies to the last recipient only; + ** clear it out to avoid bogus errors. + */ + + rcode = EX_OK; + e->e_statmsg = NULL; + + /* reset the mci state for the next transaction */ + if (mci != NULL && + (mci->mci_state == MCIS_MAIL || + mci->mci_state == MCIS_RCPT || + mci->mci_state == MCIS_DATA)) + { + mci->mci_state = MCIS_OPEN; + SmtpPhase = mci->mci_phase = "idle"; + sm_setproctitle(true, e, "%s: %s", CurHostName, + mci->mci_phase); + } + } + + if (tobuf[0] != '\0') + { + giveresponse(rcode, NULL, m, mci, ctladdr, xstart, e, tochain); +#if 0 + /* + ** This code is disabled for now because I am not + ** sure that copying status from the first recipient + ** to all non-status'ed recipients is a good idea. + */ + + if (tochain->q_message != NULL && + !bitnset(M_LMTP, m->m_flags) && rcode != EX_OK) + { + for (to = tochain->q_tchain; to != NULL; + to = to->q_tchain) + { + /* see if address already marked */ + if (QS_IS_QUEUEUP(to->q_state) && + to->q_message == NULL) + to->q_message = sm_rpool_strdup_x(e->e_rpool, + tochain->q_message); + } + } +#endif /* 0 */ + } + if (anyok) + markstats(e, tochain, STATS_NORMAL); + mci_store_persistent(mci); + + /* Some recipients were tempfailed, try them on the next host */ + if (mci != NULL && mci->mci_retryrcpt && nummxhosts > hostnum) + { + /* try next MX site */ + goto tryhost; + } + + /* now close the connection */ + if (clever && mci != NULL && mci->mci_state != MCIS_CLOSED && + !bitset(MCIF_CACHED, mci->mci_flags)) + smtpquit(m, mci, e); + +cleanup: ; + } + SM_FINALLY + { + /* + ** Restore state and return. + */ +#if XDEBUG + char wbuf[MAXLINE]; + + /* make absolutely certain 0, 1, and 2 are in use */ + (void) sm_snprintf(wbuf, sizeof wbuf, + "%s... end of deliver(%s)", + e->e_to == NULL ? "NO-TO-LIST" + : shortenstring(e->e_to, + MAXSHORTSTR), + m->m_name); + checkfd012(wbuf); +#endif /* XDEBUG */ + + errno = 0; + + /* + ** It was originally necessary to set macro 'g' to NULL + ** because it previously pointed to an auto buffer. + ** We don't do this any more, so this may be unnecessary. + */ + + macdefine(&e->e_macro, A_PERM, 'g', (char *) NULL); + e->e_to = NULL; + } + SM_END_TRY + return rcode; +} + +/* +** MARKFAILURE -- mark a failure on a specific address. +** +** Parameters: +** e -- the envelope we are sending. +** q -- the address to mark. +** mci -- mailer connection information. +** rcode -- the code signifying the particular failure. +** ovr -- override an existing code? +** +** Returns: +** none. +** +** Side Effects: +** marks the address (and possibly the envelope) with the +** failure so that an error will be returned or +** the message will be queued, as appropriate. +*/ + +void +markfailure(e, q, mci, rcode, ovr) + register ENVELOPE *e; + register ADDRESS *q; + register MCI *mci; + int rcode; + bool ovr; +{ + int save_errno = errno; + char *status = NULL; + char *rstatus = NULL; + + switch (rcode) + { + case EX_OK: + break; + + case EX_TEMPFAIL: + case EX_IOERR: + case EX_OSERR: + q->q_state = QS_QUEUEUP; + break; + + default: + q->q_state = QS_BADADDR; + break; + } + + /* find most specific error code possible */ + if (mci != NULL && mci->mci_status != NULL) + { + status = sm_rpool_strdup_x(e->e_rpool, mci->mci_status); + if (mci->mci_rstatus != NULL) + rstatus = sm_rpool_strdup_x(e->e_rpool, + mci->mci_rstatus); + else + rstatus = NULL; + } + else if (e->e_status != NULL) + { + status = e->e_status; + rstatus = NULL; + } + else + { + switch (rcode) + { + case EX_USAGE: + status = "5.5.4"; + break; + + case EX_DATAERR: + status = "5.5.2"; + break; + + case EX_NOUSER: + status = "5.1.1"; + break; + + case EX_NOHOST: + status = "5.1.2"; + break; + + case EX_NOINPUT: + case EX_CANTCREAT: + case EX_NOPERM: + status = "5.3.0"; + break; + + case EX_UNAVAILABLE: + case EX_SOFTWARE: + case EX_OSFILE: + case EX_PROTOCOL: + case EX_CONFIG: + status = "5.5.0"; + break; + + case EX_OSERR: + case EX_IOERR: + status = "4.5.0"; + break; + + case EX_TEMPFAIL: + status = "4.2.0"; + break; + } + } + + /* new status? */ + if (status != NULL && *status != '\0' && (ovr || q->q_status == NULL || + *q->q_status == '\0' || *q->q_status < *status)) + { + q->q_status = status; + q->q_rstatus = rstatus; + } + if (rcode != EX_OK && q->q_rstatus == NULL && + q->q_mailer != NULL && q->q_mailer->m_diagtype != NULL && + sm_strcasecmp(q->q_mailer->m_diagtype, "X-UNIX") == 0) + { + char buf[16]; + + (void) sm_snprintf(buf, sizeof buf, "%d", rcode); + q->q_rstatus = sm_rpool_strdup_x(e->e_rpool, buf); + } + + q->q_statdate = curtime(); + if (CurHostName != NULL && CurHostName[0] != '\0' && + mci != NULL && !bitset(M_LOCALMAILER, mci->mci_flags)) + q->q_statmta = sm_rpool_strdup_x(e->e_rpool, CurHostName); + + /* restore errno */ + errno = save_errno; +} +/* +** ENDMAILER -- Wait for mailer to terminate. +** +** We should never get fatal errors (e.g., segmentation +** violation), so we report those specially. For other +** errors, we choose a status message (into statmsg), +** and if it represents an error, we print it. +** +** Parameters: +** mci -- the mailer connection info. +** e -- the current envelope. +** pv -- the parameter vector that invoked the mailer +** (for error messages). +** +** Returns: +** exit code of mailer. +** +** Side Effects: +** none. +*/ + +static jmp_buf EndWaitTimeout; + +static void +endwaittimeout(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(EndWaitTimeout, 1); +} + +int +endmailer(mci, e, pv) + register MCI *mci; + register ENVELOPE *e; + char **pv; +{ + int st; + int save_errno = errno; + char buf[MAXLINE]; + SM_EVENT *ev = NULL; + + + mci_unlock_host(mci); + + /* close output to mailer */ + if (mci->mci_out != NULL) + { + (void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT); + mci->mci_out = NULL; + } + + /* copy any remaining input to transcript */ + if (mci->mci_in != NULL && mci->mci_state != MCIS_ERROR && + e->e_xfp != NULL) + { + while (sfgets(buf, sizeof buf, mci->mci_in, + TimeOuts.to_quit, "Draining Input") != NULL) + (void) sm_io_fputs(e->e_xfp, SM_TIME_DEFAULT, buf); + } + +#if SASL + /* close SASL connection */ + if (bitset(MCIF_AUTHACT, mci->mci_flags)) + { + sasl_dispose(&mci->mci_conn); + mci->mci_flags &= ~MCIF_AUTHACT; + } +#endif /* SASL */ + +#if STARTTLS + /* shutdown TLS */ + (void) endtlsclt(mci); +#endif /* STARTTLS */ + + /* now close the input */ + if (mci->mci_in != NULL) + { + (void) sm_io_close(mci->mci_in, SM_TIME_DEFAULT); + mci->mci_in = NULL; + } + mci->mci_state = MCIS_CLOSED; + + errno = save_errno; + + /* in the IPC case there is nothing to wait for */ + if (mci->mci_pid == 0) + return EX_OK; + + /* put a timeout around the wait */ + if (mci->mci_mailer->m_wait > 0) + { + if (setjmp(EndWaitTimeout) == 0) + ev = sm_setevent(mci->mci_mailer->m_wait, + endwaittimeout, 0); + else + { + syserr("endmailer %s: wait timeout (%ld)", + mci->mci_mailer->m_name, + (long) mci->mci_mailer->m_wait); + return EX_TEMPFAIL; + } + } + + /* wait for the mailer process, collect status */ + st = waitfor(mci->mci_pid); + save_errno = errno; + if (ev != NULL) + sm_clrevent(ev); + errno = save_errno; + + if (st == -1) + { + syserr("endmailer %s: wait", mci->mci_mailer->m_name); + return EX_SOFTWARE; + } + + if (WIFEXITED(st)) + { + /* normal death -- return status */ + return (WEXITSTATUS(st)); + } + + /* it died a horrid death */ + syserr("451 4.3.0 mailer %s died with signal %d%s", + mci->mci_mailer->m_name, WTERMSIG(st), + WCOREDUMP(st) ? " (core dumped)" : + (WIFSTOPPED(st) ? " (stopped)" : "")); + + /* log the arguments */ + if (pv != NULL && e->e_xfp != NULL) + { + register char **av; + + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, "Arguments:"); + for (av = pv; *av != NULL; av++) + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, " %s", + *av); + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, "\n"); + } + + ExitStat = EX_TEMPFAIL; + return EX_TEMPFAIL; +} +/* +** GIVERESPONSE -- Interpret an error response from a mailer +** +** Parameters: +** status -- the status code from the mailer (high byte +** only; core dumps must have been taken care of +** already). +** dsn -- the DSN associated with the address, if any. +** m -- the mailer info for this mailer. +** mci -- the mailer connection info -- can be NULL if the +** response is given before the connection is made. +** ctladdr -- the controlling address for the recipient +** address(es). +** xstart -- the transaction start time, for computing +** transaction delays. +** e -- the current envelope. +** to -- the current recipient (NULL if none). +** +** Returns: +** none. +** +** Side Effects: +** Errors may be incremented. +** ExitStat may be set. +*/ + +void +giveresponse(status, dsn, m, mci, ctladdr, xstart, e, to) + int status; + char *dsn; + register MAILER *m; + register MCI *mci; + ADDRESS *ctladdr; + time_t xstart; + ENVELOPE *e; + ADDRESS *to; +{ + register const char *statmsg; + int errnum = errno; + int off = 4; + bool usestat = false; + char dsnbuf[ENHSCLEN]; + char buf[MAXLINE]; + char *exmsg; + + if (e == NULL) + syserr("giveresponse: null envelope"); + + /* + ** Compute status message from code. + */ + + exmsg = sm_sysexmsg(status); + if (status == 0) + { + statmsg = "250 2.0.0 Sent"; + if (e->e_statmsg != NULL) + { + (void) sm_snprintf(buf, sizeof buf, "%s (%s)", + statmsg, + shortenstring(e->e_statmsg, 403)); + statmsg = buf; + } + } + else if (exmsg == NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "554 5.3.0 unknown mailer error %d", + status); + status = EX_UNAVAILABLE; + statmsg = buf; + usestat = true; + } + else if (status == EX_TEMPFAIL) + { + char *bp = buf; + + (void) sm_strlcpy(bp, exmsg + 1, SPACELEFT(buf, bp)); + bp += strlen(bp); +#if NAMED_BIND + if (h_errno == TRY_AGAIN) + statmsg = sm_errstring(h_errno + E_DNSBASE); + else +#endif /* NAMED_BIND */ + { + if (errnum != 0) + statmsg = sm_errstring(errnum); + else + statmsg = SmtpError; + } + if (statmsg != NULL && statmsg[0] != '\0') + { + switch (errnum) + { +#ifdef ENETDOWN + case ENETDOWN: /* Network is down */ +#endif /* ENETDOWN */ +#ifdef ENETUNREACH + case ENETUNREACH: /* Network is unreachable */ +#endif /* ENETUNREACH */ +#ifdef ENETRESET + case ENETRESET: /* Network dropped connection on reset */ +#endif /* ENETRESET */ +#ifdef ECONNABORTED + case ECONNABORTED: /* Software caused connection abort */ +#endif /* ECONNABORTED */ +#ifdef EHOSTDOWN + case EHOSTDOWN: /* Host is down */ +#endif /* EHOSTDOWN */ +#ifdef EHOSTUNREACH + case EHOSTUNREACH: /* No route to host */ +#endif /* EHOSTUNREACH */ + if (mci != NULL && mci->mci_host != NULL) + { + (void) sm_strlcpyn(bp, + SPACELEFT(buf, bp), + 2, ": ", + mci->mci_host); + bp += strlen(bp); + } + break; + } + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ": ", + statmsg); + usestat = true; + } + statmsg = buf; + } +#if NAMED_BIND + else if (status == EX_NOHOST && h_errno != 0) + { + statmsg = sm_errstring(h_errno + E_DNSBASE); + (void) sm_snprintf(buf, sizeof buf, "%s (%s)", exmsg + 1, + statmsg); + statmsg = buf; + usestat = true; + } +#endif /* NAMED_BIND */ + else + { + statmsg = exmsg; + if (*statmsg++ == ':' && errnum != 0) + { + (void) sm_snprintf(buf, sizeof buf, "%s: %s", statmsg, + sm_errstring(errnum)); + statmsg = buf; + usestat = true; + } + else if (bitnset(M_LMTP, m->m_flags) && e->e_statmsg != NULL) + { + (void) sm_snprintf(buf, sizeof buf, "%s (%s)", statmsg, + shortenstring(e->e_statmsg, 403)); + statmsg = buf; + usestat = true; + } + } + + /* + ** Print the message as appropriate + */ + + if (status == EX_OK || status == EX_TEMPFAIL) + { + extern char MsgBuf[]; + + if ((off = isenhsc(statmsg + 4, ' ')) > 0) + { + if (dsn == NULL) + { + (void) sm_snprintf(dsnbuf, sizeof dsnbuf, + "%.*s", off, statmsg + 4); + dsn = dsnbuf; + } + off += 5; + } + else + { + off = 4; + } + message("%s", statmsg + off); + if (status == EX_TEMPFAIL && e->e_xfp != NULL) + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, "%s\n", + &MsgBuf[4]); + } + else + { + char mbuf[ENHSCLEN + 4]; + + Errors++; + if ((off = isenhsc(statmsg + 4, ' ')) > 0 && + off < sizeof mbuf - 4) + { + if (dsn == NULL) + { + (void) sm_snprintf(dsnbuf, sizeof dsnbuf, + "%.*s", off, statmsg + 4); + dsn = dsnbuf; + } + off += 5; + + /* copy only part of statmsg to mbuf */ + (void) sm_strlcpy(mbuf, statmsg, off); + (void) sm_strlcat(mbuf, " %s", sizeof mbuf); + } + else + { + dsnbuf[0] = '\0'; + (void) sm_snprintf(mbuf, sizeof mbuf, "%.3s %%s", + statmsg); + off = 4; + } + usrerr(mbuf, &statmsg[off]); + } + + /* + ** Final cleanup. + ** Log a record of the transaction. Compute the new + ** ExitStat -- if we already had an error, stick with + ** that. + */ + + if (OpMode != MD_VERIFY && !bitset(EF_VRFYONLY, e->e_flags) && + LogLevel > ((status == EX_TEMPFAIL) ? 8 : (status == EX_OK) ? 7 : 6)) + logdelivery(m, mci, dsn, statmsg + off, ctladdr, xstart, e); + + if (tTd(11, 2)) + sm_dprintf("giveresponse: status=%d, dsn=%s, e->e_message=%s, errnum=%d\n", + status, + dsn == NULL ? "" : dsn, + e->e_message == NULL ? "" : e->e_message, + errnum); + + if (status != EX_TEMPFAIL) + setstat(status); + if (status != EX_OK && (status != EX_TEMPFAIL || e->e_message == NULL)) + e->e_message = sm_rpool_strdup_x(e->e_rpool, statmsg + off); + if (status != EX_OK && to != NULL && to->q_message == NULL) + { + if (!usestat && e->e_message != NULL) + to->q_message = sm_rpool_strdup_x(e->e_rpool, + e->e_message); + else + to->q_message = sm_rpool_strdup_x(e->e_rpool, + statmsg + off); + } + errno = 0; + SM_SET_H_ERRNO(0); +} +/* +** LOGDELIVERY -- log the delivery in the system log +** +** Care is taken to avoid logging lines that are too long, because +** some versions of syslog have an unfortunate proclivity for core +** dumping. This is a hack, to be sure, that is at best empirical. +** +** Parameters: +** m -- the mailer info. Can be NULL for initial queue. +** mci -- the mailer connection info -- can be NULL if the +** log is occurring when no connection is active. +** dsn -- the DSN attached to the status. +** status -- the message to print for the status. +** ctladdr -- the controlling address for the to list. +** xstart -- the transaction start time, used for +** computing transaction delay. +** e -- the current envelope. +** +** Returns: +** none +** +** Side Effects: +** none +*/ + +void +logdelivery(m, mci, dsn, status, ctladdr, xstart, e) + MAILER *m; + register MCI *mci; + char *dsn; + const char *status; + ADDRESS *ctladdr; + time_t xstart; + register ENVELOPE *e; +{ + register char *bp; + register char *p; + int l; + time_t now = curtime(); + char buf[1024]; + +#if (SYSLOG_BUFSIZE) >= 256 + /* ctladdr: max 106 bytes */ + bp = buf; + if (ctladdr != NULL) + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", ctladdr=", + shortenstring(ctladdr->q_paddr, 83)); + bp += strlen(bp); + if (bitset(QGOODUID, ctladdr->q_flags)) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), " (%d/%d)", + (int) ctladdr->q_uid, + (int) ctladdr->q_gid); + bp += strlen(bp); + } + } + + /* delay & xdelay: max 41 bytes */ + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", delay=", + pintvl(now - e->e_ctime, true)); + bp += strlen(bp); + + if (xstart != (time_t) 0) + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", xdelay=", + pintvl(now - xstart, true)); + bp += strlen(bp); + } + + /* mailer: assume about 19 bytes (max 10 byte mailer name) */ + if (m != NULL) + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", mailer=", + m->m_name); + bp += strlen(bp); + } + + /* pri: changes with each delivery attempt */ + (void) sm_snprintf(bp, SPACELEFT(buf, bp), ", pri=%ld", + e->e_msgpriority); + bp += strlen(bp); + + /* relay: max 66 bytes for IPv4 addresses */ + if (mci != NULL && mci->mci_host != NULL) + { + extern SOCKADDR CurHostAddr; + + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", relay=", + shortenstring(mci->mci_host, 40)); + bp += strlen(bp); + + if (CurHostAddr.sa.sa_family != 0) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), " [%s]", + anynet_ntoa(&CurHostAddr)); + } + } + else if (strcmp(status, "quarantined") == 0) + { + if (e->e_quarmsg != NULL) + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + ", quarantine=%s", + shortenstring(e->e_quarmsg, 40)); + } + else if (strcmp(status, "queued") != 0) + { + p = macvalue('h', e); + if (p != NULL && p[0] != '\0') + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + ", relay=%s", shortenstring(p, 40)); + } + } + bp += strlen(bp); + + /* dsn */ + if (dsn != NULL && *dsn != '\0') + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", dsn=", + shortenstring(dsn, ENHSCLEN)); + bp += strlen(bp); + } + +#if _FFR_LOG_NTRIES + /* ntries */ + if (e->e_ntries >= 0) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + ", ntries=%d", e->e_ntries + 1); + bp += strlen(bp); + } +#endif /* _FFR_LOG_NTRIES */ + +# define STATLEN (((SYSLOG_BUFSIZE) - 100) / 4) +# if (STATLEN) < 63 +# undef STATLEN +# define STATLEN 63 +# endif /* (STATLEN) < 63 */ +# if (STATLEN) > 203 +# undef STATLEN +# define STATLEN 203 +# endif /* (STATLEN) > 203 */ + + /* stat: max 210 bytes */ + if ((bp - buf) > (sizeof buf - ((STATLEN) + 20))) + { + /* desperation move -- truncate data */ + bp = buf + sizeof buf - ((STATLEN) + 17); + (void) sm_strlcpy(bp, "...", SPACELEFT(buf, bp)); + bp += 3; + } + + (void) sm_strlcpy(bp, ", stat=", SPACELEFT(buf, bp)); + bp += strlen(bp); + + (void) sm_strlcpy(bp, shortenstring(status, STATLEN), + SPACELEFT(buf, bp)); + + /* id, to: max 13 + TOBUFSIZE bytes */ + l = SYSLOG_BUFSIZE - 100 - strlen(buf); + if (l < 0) + l = 0; + p = e->e_to == NULL ? "NO-TO-LIST" : e->e_to; + while (strlen(p) >= l) + { + register char *q; + + for (q = p + l; q > p; q--) + { + if (*q == ',') + break; + } + if (p == q) + break; + sm_syslog(LOG_INFO, e->e_id, "to=%.*s [more]%s", + (int) (++q - p), p, buf); + p = q; + } + sm_syslog(LOG_INFO, e->e_id, "to=%.*s%s", l, p, buf); + +#else /* (SYSLOG_BUFSIZE) >= 256 */ + + l = SYSLOG_BUFSIZE - 85; + if (l < 0) + l = 0; + p = e->e_to == NULL ? "NO-TO-LIST" : e->e_to; + while (strlen(p) >= l) + { + register char *q; + + for (q = p + l; q > p; q--) + { + if (*q == ',') + break; + } + if (p == q) + break; + + sm_syslog(LOG_INFO, e->e_id, "to=%.*s [more]", + (int) (++q - p), p); + p = q; + } + sm_syslog(LOG_INFO, e->e_id, "to=%.*s", l, p); + + if (ctladdr != NULL) + { + bp = buf; + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, "ctladdr=", + shortenstring(ctladdr->q_paddr, 83)); + bp += strlen(bp); + if (bitset(QGOODUID, ctladdr->q_flags)) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), " (%d/%d)", + ctladdr->q_uid, ctladdr->q_gid); + bp += strlen(bp); + } + sm_syslog(LOG_INFO, e->e_id, "%s", buf); + } + bp = buf; + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, "delay=", + pintvl(now - e->e_ctime, true)); + bp += strlen(bp); + if (xstart != (time_t) 0) + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", xdelay=", + pintvl(now - xstart, true)); + bp += strlen(bp); + } + + if (m != NULL) + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, ", mailer=", + m->m_name); + bp += strlen(bp); + } + sm_syslog(LOG_INFO, e->e_id, "%.1000s", buf); + + buf[0] = '\0'; + bp = buf; + if (mci != NULL && mci->mci_host != NULL) + { + extern SOCKADDR CurHostAddr; + + (void) sm_snprintf(bp, SPACELEFT(buf, bp), "relay=%.100s", + mci->mci_host); + bp += strlen(bp); + + if (CurHostAddr.sa.sa_family != 0) + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + " [%.100s]", + anynet_ntoa(&CurHostAddr)); + } + else if (strcmp(status, "quarantined") == 0) + { + if (e->e_quarmsg != NULL) + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + ", quarantine=%.100s", + e->e_quarmsg); + } + else if (strcmp(status, "queued") != 0) + { + p = macvalue('h', e); + if (p != NULL && p[0] != '\0') + (void) sm_snprintf(buf, sizeof buf, "relay=%.100s", p); + } + if (buf[0] != '\0') + sm_syslog(LOG_INFO, e->e_id, "%.1000s", buf); + + sm_syslog(LOG_INFO, e->e_id, "stat=%s", shortenstring(status, 63)); +#endif /* (SYSLOG_BUFSIZE) >= 256 */ +} +/* +** PUTFROMLINE -- output a UNIX-style from line (or whatever) +** +** This can be made an arbitrary message separator by changing $l +** +** One of the ugliest hacks seen by human eyes is contained herein: +** UUCP wants those stupid "remote from " lines. Why oh why +** does a well-meaning programmer such as myself have to deal with +** this kind of antique garbage???? +** +** Parameters: +** mci -- the connection information. +** e -- the envelope. +** +** Returns: +** none +** +** Side Effects: +** outputs some text to fp. +*/ + +void +putfromline(mci, e) + register MCI *mci; + ENVELOPE *e; +{ + char *template = UnixFromLine; + char buf[MAXLINE]; + char xbuf[MAXLINE]; + + if (bitnset(M_NHDR, mci->mci_mailer->m_flags)) + return; + + mci->mci_flags |= MCIF_INHEADER; + + if (bitnset(M_UGLYUUCP, mci->mci_mailer->m_flags)) + { + char *bang; + + expand("\201g", buf, sizeof buf, e); + bang = strchr(buf, '!'); + if (bang == NULL) + { + char *at; + char hname[MAXNAME]; + + /* + ** If we can construct a UUCP path, do so + */ + + at = strrchr(buf, '@'); + if (at == NULL) + { + expand("\201k", hname, sizeof hname, e); + at = hname; + } + else + *at++ = '\0'; + (void) sm_snprintf(xbuf, sizeof xbuf, + "From %.800s \201d remote from %.100s\n", + buf, at); + } + else + { + *bang++ = '\0'; + (void) sm_snprintf(xbuf, sizeof xbuf, + "From %.800s \201d remote from %.100s\n", + bang, buf); + template = xbuf; + } + } + expand(template, buf, sizeof buf, e); + putxline(buf, strlen(buf), mci, PXLF_HEADER); +} +/* +** PUTBODY -- put the body of a message. +** +** Parameters: +** mci -- the connection information. +** e -- the envelope to put out. +** separator -- if non-NULL, a message separator that must +** not be permitted in the resulting message. +** +** Returns: +** none. +** +** Side Effects: +** The message is written onto fp. +*/ + +/* values for output state variable */ +#define OS_HEAD 0 /* at beginning of line */ +#define OS_CR 1 /* read a carriage return */ +#define OS_INLINE 2 /* putting rest of line */ + +void +putbody(mci, e, separator) + register MCI *mci; + register ENVELOPE *e; + char *separator; +{ + bool dead = false; + char buf[MAXLINE]; +#if MIME8TO7 + char *boundaries[MAXMIMENESTING + 1]; +#endif /* MIME8TO7 */ + + /* + ** Output the body of the message + */ + + if (e->e_dfp == NULL && bitset(EF_HAS_DF, e->e_flags)) + { + char *df = queuename(e, DATAFL_LETTER); + + e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, df, + SM_IO_RDONLY_B, NULL); + if (e->e_dfp == NULL) + { + char *msg = "!putbody: Cannot open %s for %s from %s"; + + if (errno == ENOENT) + msg++; + syserr(msg, df, e->e_to, e->e_from.q_paddr); + } + + } + if (e->e_dfp == NULL) + { + if (bitset(MCIF_INHEADER, mci->mci_flags)) + { + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + } + putline("<<< No Message Collected >>>", mci); + goto endofmessage; + } + + if (e->e_dfino == (ino_t) 0) + { + struct stat stbuf; + + if (fstat(sm_io_getinfo(e->e_dfp, SM_IO_WHAT_FD, NULL), &stbuf) + < 0) + e->e_dfino = -1; + else + { + e->e_dfdev = stbuf.st_dev; + e->e_dfino = stbuf.st_ino; + } + } + + /* paranoia: the data file should always be in a rewound state */ + (void) bfrewind(e->e_dfp); + +#if MIME8TO7 + if (bitset(MCIF_CVT8TO7, mci->mci_flags)) + { + /* + ** Do 8 to 7 bit MIME conversion. + */ + + /* make sure it looks like a MIME message */ + if (hvalue("MIME-Version", e->e_header) == NULL) + putline("MIME-Version: 1.0", mci); + + if (hvalue("Content-Type", e->e_header) == NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "Content-Type: text/plain; charset=%s", + defcharset(e)); + putline(buf, mci); + } + + /* now do the hard work */ + boundaries[0] = NULL; + mci->mci_flags |= MCIF_INHEADER; + (void) mime8to7(mci, e->e_header, e, boundaries, M87F_OUTER); + } +# if MIME7TO8 + else if (bitset(MCIF_CVT7TO8, mci->mci_flags)) + { + (void) mime7to8(mci, e->e_header, e); + } +# endif /* MIME7TO8 */ + else if (MaxMimeHeaderLength > 0 || MaxMimeFieldLength > 0) + { + bool oldsuprerrs = SuprErrs; + + /* Use mime8to7 to check multipart for MIME header overflows */ + boundaries[0] = NULL; + mci->mci_flags |= MCIF_INHEADER; + + /* + ** If EF_DONT_MIME is set, we have a broken MIME message + ** and don't want to generate a new bounce message whose + ** body propagates the broken MIME. We can't just not call + ** mime8to7() as is done above since we need the security + ** checks. The best we can do is suppress the errors. + */ + + if (bitset(EF_DONT_MIME, e->e_flags)) + SuprErrs = true; + + (void) mime8to7(mci, e->e_header, e, boundaries, + M87F_OUTER|M87F_NO8TO7); + + /* restore SuprErrs */ + SuprErrs = oldsuprerrs; + } + else +#endif /* MIME8TO7 */ + { + int ostate; + register char *bp; + register char *pbp; + register int c; + register char *xp; + int padc; + char *buflim; + int pos = 0; + char peekbuf[12]; + + if (bitset(MCIF_INHEADER, mci->mci_flags)) + { + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + } + + /* determine end of buffer; allow for short mailer lines */ + buflim = &buf[sizeof buf - 1]; + if (mci->mci_mailer->m_linelimit > 0 && + mci->mci_mailer->m_linelimit < sizeof buf - 1) + buflim = &buf[mci->mci_mailer->m_linelimit - 1]; + + /* copy temp file to output with mapping */ + ostate = OS_HEAD; + bp = buf; + pbp = peekbuf; + while (!sm_io_error(mci->mci_out) && !dead) + { + if (pbp > peekbuf) + c = *--pbp; + else if ((c = sm_io_getc(e->e_dfp, SM_TIME_DEFAULT)) + == SM_IO_EOF) + break; + if (bitset(MCIF_7BIT, mci->mci_flags)) + c &= 0x7f; + switch (ostate) + { + case OS_HEAD: + if (c == '\0' && + bitnset(M_NONULLS, + mci->mci_mailer->m_flags)) + break; + if (c != '\r' && c != '\n' && bp < buflim) + { + *bp++ = c; + break; + } + + /* check beginning of line for special cases */ + *bp = '\0'; + pos = 0; + padc = SM_IO_EOF; + if (buf[0] == 'F' && + bitnset(M_ESCFROM, mci->mci_mailer->m_flags) + && strncmp(buf, "From ", 5) == 0) + { + padc = '>'; + } + if (buf[0] == '-' && buf[1] == '-' && + separator != NULL) + { + /* possible separator */ + int sl = strlen(separator); + + if (strncmp(&buf[2], separator, sl) + == 0) + padc = ' '; + } + if (buf[0] == '.' && + bitnset(M_XDOT, mci->mci_mailer->m_flags)) + { + padc = '.'; + } + + /* now copy out saved line */ + if (TrafficLogFile != NULL) + { + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "%05d >>> ", + (int) CurrentPid); + if (padc != SM_IO_EOF) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + padc); + for (xp = buf; xp < bp; xp++) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + (unsigned char) *xp); + if (c == '\n') + (void) sm_io_fputs(TrafficLogFile, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol); + } + if (padc != SM_IO_EOF) + { + if (sm_io_putc(mci->mci_out, + SM_TIME_DEFAULT, padc) + == SM_IO_EOF) + { + dead = true; + continue; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + pos++; + } + for (xp = buf; xp < bp; xp++) + { + if (sm_io_putc(mci->mci_out, + SM_TIME_DEFAULT, + (unsigned char) *xp) + == SM_IO_EOF) + { + dead = true; + break; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + } + if (dead) + continue; + if (c == '\n') + { + if (sm_io_fputs(mci->mci_out, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol) + == SM_IO_EOF) + break; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + pos = 0; + } + else + { + pos += bp - buf; + if (c != '\r') + { + SM_ASSERT(pbp < peekbuf + + sizeof(peekbuf)); + *pbp++ = c; + } + } + + bp = buf; + + /* determine next state */ + if (c == '\n') + ostate = OS_HEAD; + else if (c == '\r') + ostate = OS_CR; + else + ostate = OS_INLINE; + continue; + + case OS_CR: + if (c == '\n') + { + /* got CRLF */ + if (sm_io_fputs(mci->mci_out, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol) + == SM_IO_EOF) + continue; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + + if (TrafficLogFile != NULL) + { + (void) sm_io_fputs(TrafficLogFile, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol); + } + ostate = OS_HEAD; + continue; + } + + /* had a naked carriage return */ + SM_ASSERT(pbp < peekbuf + sizeof(peekbuf)); + *pbp++ = c; + c = '\r'; + ostate = OS_INLINE; + goto putch; + + case OS_INLINE: + if (c == '\r') + { + ostate = OS_CR; + continue; + } + if (c == '\0' && + bitnset(M_NONULLS, + mci->mci_mailer->m_flags)) + break; +putch: + if (mci->mci_mailer->m_linelimit > 0 && + pos >= mci->mci_mailer->m_linelimit - 1 && + c != '\n') + { + int d; + + /* check next character for EOL */ + if (pbp > peekbuf) + d = *(pbp - 1); + else if ((d = sm_io_getc(e->e_dfp, + SM_TIME_DEFAULT)) + != SM_IO_EOF) + { + SM_ASSERT(pbp < peekbuf + + sizeof(peekbuf)); + *pbp++ = d; + } + + if (d == '\n' || d == SM_IO_EOF) + { + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + (unsigned char) c); + if (sm_io_putc(mci->mci_out, + SM_TIME_DEFAULT, + (unsigned char) c) + == SM_IO_EOF) + { + dead = true; + continue; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + pos++; + continue; + } + + if (sm_io_putc(mci->mci_out, + SM_TIME_DEFAULT, '!') + == SM_IO_EOF || + sm_io_fputs(mci->mci_out, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol) + == SM_IO_EOF) + { + dead = true; + continue; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + + if (TrafficLogFile != NULL) + { + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "!%s", + mci->mci_mailer->m_eol); + } + ostate = OS_HEAD; + SM_ASSERT(pbp < peekbuf + + sizeof(peekbuf)); + *pbp++ = c; + continue; + } + if (c == '\n') + { + if (TrafficLogFile != NULL) + (void) sm_io_fputs(TrafficLogFile, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol); + if (sm_io_fputs(mci->mci_out, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol) + == SM_IO_EOF) + continue; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + pos = 0; + ostate = OS_HEAD; + } + else + { + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + (unsigned char) c); + if (sm_io_putc(mci->mci_out, + SM_TIME_DEFAULT, + (unsigned char) c) + == SM_IO_EOF) + { + dead = true; + continue; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + pos++; + ostate = OS_INLINE; + } + break; + } + } + + /* make sure we are at the beginning of a line */ + if (bp > buf) + { + if (TrafficLogFile != NULL) + { + for (xp = buf; xp < bp; xp++) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + (unsigned char) *xp); + } + for (xp = buf; xp < bp; xp++) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, + (unsigned char) *xp) + == SM_IO_EOF) + { + dead = true; + break; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + } + pos += bp - buf; + } + if (!dead && pos > 0) + { + if (TrafficLogFile != NULL) + (void) sm_io_fputs(TrafficLogFile, + SM_TIME_DEFAULT, + mci->mci_mailer->m_eol); + (void) sm_io_fputs(mci->mci_out, SM_TIME_DEFAULT, + mci->mci_mailer->m_eol); + + /* record progress for DATA timeout */ + DataProgress = true; + } + } + + if (sm_io_error(e->e_dfp)) + { + syserr("putbody: %s/%cf%s: read error", + qid_printqueue(e->e_dfqgrp, e->e_dfqdir), + DATAFL_LETTER, e->e_id); + ExitStat = EX_IOERR; + } + +endofmessage: + /* + ** Since mailfile() uses e_dfp in a child process, + ** the file offset in the stdio library for the + ** parent process will not agree with the in-kernel + ** file offset since the file descriptor is shared + ** between the processes. Therefore, it is vital + ** that the file always be rewound. This forces the + ** kernel offset (lseek) and stdio library (ftell) + ** offset to match. + */ + + if (e->e_dfp != NULL) + (void) bfrewind(e->e_dfp); + + /* some mailers want extra blank line at end of message */ + if (!dead && bitnset(M_BLANKEND, mci->mci_mailer->m_flags) && + buf[0] != '\0' && buf[0] != '\n') + putline("", mci); + + (void) sm_io_flush(mci->mci_out, SM_TIME_DEFAULT); + if (sm_io_error(mci->mci_out) && errno != EPIPE) + { + syserr("putbody: write error"); + ExitStat = EX_IOERR; + } + + errno = 0; +} +/* +** MAILFILE -- Send a message to a file. +** +** If the file has the set-user-ID/set-group-ID bits set, but NO +** execute bits, sendmail will try to become the owner of that file +** rather than the real user. Obviously, this only works if +** sendmail runs as root. +** +** This could be done as a subordinate mailer, except that it +** is used implicitly to save messages in ~/dead.letter. We +** view this as being sufficiently important as to include it +** here. For example, if the system is dying, we shouldn't have +** to create another process plus some pipes to save the message. +** +** Parameters: +** filename -- the name of the file to send to. +** mailer -- mailer definition for recipient -- if NULL, +** use FileMailer. +** ctladdr -- the controlling address header -- includes +** the userid/groupid to be when sending. +** sfflags -- flags for opening. +** e -- the current envelope. +** +** Returns: +** The exit code associated with the operation. +** +** Side Effects: +** none. +*/ + +# define RETURN(st) exit(st); + +static jmp_buf CtxMailfileTimeout; + +int +mailfile(filename, mailer, ctladdr, sfflags, e) + char *volatile filename; + MAILER *volatile mailer; + ADDRESS *ctladdr; + volatile long sfflags; + register ENVELOPE *e; +{ + register SM_FILE_T *f; + register pid_t pid = -1; + volatile int mode; + int len; + off_t curoff; + bool suidwarn = geteuid() == 0; + char *p; + char *volatile realfile; + SM_EVENT *ev; + char buf[MAXPATHLEN]; + char targetfile[MAXPATHLEN]; + + if (tTd(11, 1)) + { + sm_dprintf("mailfile %s\n ctladdr=", filename); + printaddr(sm_debug_file(), ctladdr, false); + } + + if (mailer == NULL) + mailer = FileMailer; + + if (e->e_xfp != NULL) + (void) sm_io_flush(e->e_xfp, SM_TIME_DEFAULT); + + /* + ** Special case /dev/null. This allows us to restrict file + ** delivery to regular files only. + */ + + if (sm_path_isdevnull(filename)) + return EX_OK; + + /* check for 8-bit available */ + if (bitset(EF_HAS8BIT, e->e_flags) && + bitnset(M_7BITS, mailer->m_flags) && + (bitset(EF_DONT_MIME, e->e_flags) || + !(bitset(MM_MIME8BIT, MimeMode) || + (bitset(EF_IS_MIME, e->e_flags) && + bitset(MM_CVTMIME, MimeMode))))) + { + e->e_status = "5.6.3"; + usrerrenh(e->e_status, + "554 Cannot send 8-bit data to 7-bit destination"); + errno = 0; + return EX_DATAERR; + } + + /* Find the actual file */ + if (SafeFileEnv != NULL && SafeFileEnv[0] != '\0') + { + len = strlen(SafeFileEnv); + + if (strncmp(SafeFileEnv, filename, len) == 0) + filename += len; + + if (len + strlen(filename) + 1 >= sizeof targetfile) + { + syserr("mailfile: filename too long (%s/%s)", + SafeFileEnv, filename); + return EX_CANTCREAT; + } + (void) sm_strlcpy(targetfile, SafeFileEnv, sizeof targetfile); + realfile = targetfile + len; + if (*filename == '/') + filename++; + if (*filename != '\0') + { + /* paranoia: trailing / should be removed in readcf */ + if (targetfile[len - 1] != '/') + (void) sm_strlcat(targetfile, + "/", sizeof targetfile); + (void) sm_strlcat(targetfile, filename, + sizeof targetfile); + } + } + else if (mailer->m_rootdir != NULL) + { + expand(mailer->m_rootdir, targetfile, sizeof targetfile, e); + len = strlen(targetfile); + + if (strncmp(targetfile, filename, len) == 0) + filename += len; + + if (len + strlen(filename) + 1 >= sizeof targetfile) + { + syserr("mailfile: filename too long (%s/%s)", + targetfile, filename); + return EX_CANTCREAT; + } + realfile = targetfile + len; + if (targetfile[len - 1] != '/') + (void) sm_strlcat(targetfile, "/", sizeof targetfile); + if (*filename == '/') + (void) sm_strlcat(targetfile, filename + 1, + sizeof targetfile); + else + (void) sm_strlcat(targetfile, filename, + sizeof targetfile); + } + else + { + if (sm_strlcpy(targetfile, filename, sizeof targetfile) >= + sizeof targetfile) + { + syserr("mailfile: filename too long (%s)", filename); + return EX_CANTCREAT; + } + realfile = targetfile; + } + + /* + ** Fork so we can change permissions here. + ** Note that we MUST use fork, not vfork, because of + ** the complications of calling subroutines, etc. + */ + + + /* + ** Dispose of SIGCHLD signal catchers that may be laying + ** around so that the waitfor() below will get it. + */ + + (void) sm_signal(SIGCHLD, SIG_DFL); + + DOFORK(fork); + + if (pid < 0) + return EX_OSERR; + else if (pid == 0) + { + /* child -- actually write to file */ + struct stat stb; + MCI mcibuf; + int err; + volatile int oflags = O_WRONLY|O_APPEND; + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + + if (e->e_lockfp != NULL) + (void) close(sm_io_getinfo(e->e_lockfp, SM_IO_WHAT_FD, + NULL)); + + (void) sm_signal(SIGINT, SIG_DFL); + (void) sm_signal(SIGHUP, SIG_DFL); + (void) sm_signal(SIGTERM, SIG_DFL); + (void) umask(OldUmask); + e->e_to = filename; + ExitStat = EX_OK; + + if (setjmp(CtxMailfileTimeout) != 0) + { + RETURN(EX_TEMPFAIL); + } + + if (TimeOuts.to_fileopen > 0) + ev = sm_setevent(TimeOuts.to_fileopen, mailfiletimeout, + 0); + else + ev = NULL; + + /* check file mode to see if set-user-ID */ + if (stat(targetfile, &stb) < 0) + mode = FileMode; + else + mode = stb.st_mode; + + /* limit the errors to those actually caused in the child */ + errno = 0; + ExitStat = EX_OK; + + /* Allow alias expansions to use the S_IS{U,G}ID bits */ + if ((ctladdr != NULL && !bitset(QALIAS, ctladdr->q_flags)) || + bitset(SFF_RUNASREALUID, sfflags)) + { + /* ignore set-user-ID and set-group-ID bits */ + mode &= ~(S_ISGID|S_ISUID); + if (tTd(11, 20)) + sm_dprintf("mailfile: ignoring set-user-ID/set-group-ID bits\n"); + } + + /* we have to open the data file BEFORE setuid() */ + if (e->e_dfp == NULL && bitset(EF_HAS_DF, e->e_flags)) + { + char *df = queuename(e, DATAFL_LETTER); + + e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, df, + SM_IO_RDONLY_B, NULL); + if (e->e_dfp == NULL) + { + syserr("mailfile: Cannot open %s for %s from %s", + df, e->e_to, e->e_from.q_paddr); + } + } + + /* select a new user to run as */ + if (!bitset(SFF_RUNASREALUID, sfflags)) + { + if (bitnset(M_SPECIFIC_UID, mailer->m_flags)) + { + RealUserName = NULL; + if (mailer->m_uid == NO_UID) + RealUid = RunAsUid; + else + RealUid = mailer->m_uid; + if (RunAsUid != 0 && RealUid != RunAsUid) + { + /* Only root can change the uid */ + syserr("mailfile: insufficient privileges to change uid, RunAsUid=%d, RealUid=%d", + (int) RunAsUid, (int) RealUid); + RETURN(EX_TEMPFAIL); + } + } + else if (bitset(S_ISUID, mode)) + { + RealUserName = NULL; + RealUid = stb.st_uid; + } + else if (ctladdr != NULL && ctladdr->q_uid != 0) + { + if (ctladdr->q_ruser != NULL) + RealUserName = ctladdr->q_ruser; + else + RealUserName = ctladdr->q_user; + RealUid = ctladdr->q_uid; + } + else if (mailer != NULL && mailer->m_uid != NO_UID) + { + RealUserName = DefUser; + RealUid = mailer->m_uid; + } + else + { + RealUserName = DefUser; + RealUid = DefUid; + } + + /* select a new group to run as */ + if (bitnset(M_SPECIFIC_UID, mailer->m_flags)) + { + if (mailer->m_gid == NO_GID) + RealGid = RunAsGid; + else + RealGid = mailer->m_gid; + if (RunAsUid != 0 && + (RealGid != getgid() || + RealGid != getegid())) + { + /* Only root can change the gid */ + syserr("mailfile: insufficient privileges to change gid, RealGid=%d, RunAsUid=%d, gid=%d, egid=%d", + (int) RealGid, (int) RunAsUid, + (int) getgid(), (int) getegid()); + RETURN(EX_TEMPFAIL); + } + } + else if (bitset(S_ISGID, mode)) + RealGid = stb.st_gid; + else if (ctladdr != NULL && + ctladdr->q_uid == DefUid && + ctladdr->q_gid == 0) + { + /* + ** Special case: This means it is an + ** alias and we should act as DefaultUser. + ** See alias()'s comments. + */ + + RealGid = DefGid; + RealUserName = DefUser; + } + else if (ctladdr != NULL && ctladdr->q_uid != 0) + RealGid = ctladdr->q_gid; + else if (mailer != NULL && mailer->m_gid != NO_GID) + RealGid = mailer->m_gid; + else + RealGid = DefGid; + } + + /* last ditch */ + if (!bitset(SFF_ROOTOK, sfflags)) + { + if (RealUid == 0) + RealUid = DefUid; + if (RealGid == 0) + RealGid = DefGid; + } + + /* set group id list (needs /etc/group access) */ + if (RealUserName != NULL && !DontInitGroups) + { + if (initgroups(RealUserName, RealGid) == -1 && suidwarn) + { + syserr("mailfile: initgroups(%s, %d) failed", + RealUserName, RealGid); + RETURN(EX_TEMPFAIL); + } + } + else + { + GIDSET_T gidset[1]; + + gidset[0] = RealGid; + if (setgroups(1, gidset) == -1 && suidwarn) + { + syserr("mailfile: setgroups() failed"); + RETURN(EX_TEMPFAIL); + } + } + + /* + ** If you have a safe environment, go into it. + */ + + if (realfile != targetfile) + { + char save; + + save = *realfile; + *realfile = '\0'; + if (tTd(11, 20)) + sm_dprintf("mailfile: chroot %s\n", targetfile); + if (chroot(targetfile) < 0) + { + syserr("mailfile: Cannot chroot(%s)", + targetfile); + RETURN(EX_CANTCREAT); + } + *realfile = save; + } + + if (tTd(11, 40)) + sm_dprintf("mailfile: deliver to %s\n", realfile); + + if (chdir("/") < 0) + { + syserr("mailfile: cannot chdir(/)"); + RETURN(EX_CANTCREAT); + } + + /* now reset the group and user ids */ + endpwent(); + sm_mbdb_terminate(); + if (setgid(RealGid) < 0 && suidwarn) + { + syserr("mailfile: setgid(%ld) failed", (long) RealGid); + RETURN(EX_TEMPFAIL); + } + vendor_set_uid(RealUid); + if (setuid(RealUid) < 0 && suidwarn) + { + syserr("mailfile: setuid(%ld) failed", (long) RealUid); + RETURN(EX_TEMPFAIL); + } + + if (tTd(11, 2)) + sm_dprintf("mailfile: running as r/euid=%d/%d, r/egid=%d/%d\n", + (int) getuid(), (int) geteuid(), + (int) getgid(), (int) getegid()); + + + /* move into some "safe" directory */ + if (mailer->m_execdir != NULL) + { + char *q; + + for (p = mailer->m_execdir; p != NULL; p = q) + { + q = strchr(p, ':'); + if (q != NULL) + *q = '\0'; + expand(p, buf, sizeof buf, e); + if (q != NULL) + *q++ = ':'; + if (tTd(11, 20)) + sm_dprintf("mailfile: trydir %s\n", + buf); + if (buf[0] != '\0' && chdir(buf) >= 0) + break; + } + } + + /* + ** Recheck the file after we have assumed the ID of the + ** delivery user to make sure we can deliver to it as + ** that user. This is necessary if sendmail is running + ** as root and the file is on an NFS mount which treats + ** root as nobody. + */ + +#if HASLSTAT + if (bitnset(DBS_FILEDELIVERYTOSYMLINK, DontBlameSendmail)) + err = stat(realfile, &stb); + else + err = lstat(realfile, &stb); +#else /* HASLSTAT */ + err = stat(realfile, &stb); +#endif /* HASLSTAT */ + + if (err < 0) + { + stb.st_mode = ST_MODE_NOFILE; + mode = FileMode; + oflags |= O_CREAT|O_EXCL; + } + else if (bitset(S_IXUSR|S_IXGRP|S_IXOTH, mode) || + (!bitnset(DBS_FILEDELIVERYTOHARDLINK, + DontBlameSendmail) && + stb.st_nlink != 1) || + (realfile != targetfile && !S_ISREG(mode))) + exit(EX_CANTCREAT); + else + mode = stb.st_mode; + + if (!bitnset(DBS_FILEDELIVERYTOSYMLINK, DontBlameSendmail)) + sfflags |= SFF_NOSLINK; + if (!bitnset(DBS_FILEDELIVERYTOHARDLINK, DontBlameSendmail)) + sfflags |= SFF_NOHLINK; + sfflags &= ~SFF_OPENASROOT; + f = safefopen(realfile, oflags, mode, sfflags); + if (f == NULL) + { + if (transienterror(errno)) + { + usrerr("454 4.3.0 cannot open %s: %s", + shortenstring(realfile, MAXSHORTSTR), + sm_errstring(errno)); + RETURN(EX_TEMPFAIL); + } + else + { + usrerr("554 5.3.0 cannot open %s: %s", + shortenstring(realfile, MAXSHORTSTR), + sm_errstring(errno)); + RETURN(EX_CANTCREAT); + } + } + if (filechanged(realfile, sm_io_getinfo(f, SM_IO_WHAT_FD, NULL), + &stb)) + { + syserr("554 5.3.0 file changed after open"); + RETURN(EX_CANTCREAT); + } + if (fstat(sm_io_getinfo(f, SM_IO_WHAT_FD, NULL), &stb) < 0) + { + syserr("554 5.3.0 cannot fstat %s", + sm_errstring(errno)); + RETURN(EX_CANTCREAT); + } + + curoff = stb.st_size; + + if (ev != NULL) + sm_clrevent(ev); + + memset(&mcibuf, '\0', sizeof mcibuf); + mcibuf.mci_mailer = mailer; + mcibuf.mci_out = f; + if (bitnset(M_7BITS, mailer->m_flags)) + mcibuf.mci_flags |= MCIF_7BIT; + + /* clear out per-message flags from connection structure */ + mcibuf.mci_flags &= ~(MCIF_CVT7TO8|MCIF_CVT8TO7); + + if (bitset(EF_HAS8BIT, e->e_flags) && + !bitset(EF_DONT_MIME, e->e_flags) && + bitnset(M_7BITS, mailer->m_flags)) + mcibuf.mci_flags |= MCIF_CVT8TO7; + +#if MIME7TO8 + if (bitnset(M_MAKE8BIT, mailer->m_flags) && + !bitset(MCIF_7BIT, mcibuf.mci_flags) && + (p = hvalue("Content-Transfer-Encoding", e->e_header)) != NULL && + (sm_strcasecmp(p, "quoted-printable") == 0 || + sm_strcasecmp(p, "base64") == 0) && + (p = hvalue("Content-Type", e->e_header)) != NULL) + { + /* may want to convert 7 -> 8 */ + /* XXX should really parse it here -- and use a class XXX */ + if (sm_strncasecmp(p, "text/plain", 10) == 0 && + (p[10] == '\0' || p[10] == ' ' || p[10] == ';')) + mcibuf.mci_flags |= MCIF_CVT7TO8; + } +#endif /* MIME7TO8 */ + + putfromline(&mcibuf, e); + (*e->e_puthdr)(&mcibuf, e->e_header, e, M87F_OUTER); + (*e->e_putbody)(&mcibuf, e, NULL); + putline("\n", &mcibuf); + if (sm_io_flush(f, SM_TIME_DEFAULT) != 0 || + (SuperSafe != SAFE_NO && + fsync(sm_io_getinfo(f, SM_IO_WHAT_FD, NULL)) < 0) || + sm_io_error(f)) + { + setstat(EX_IOERR); +#if !NOFTRUNCATE + (void) ftruncate(sm_io_getinfo(f, SM_IO_WHAT_FD, NULL), + curoff); +#endif /* !NOFTRUNCATE */ + } + + /* reset ISUID & ISGID bits for paranoid systems */ +#if HASFCHMOD + (void) fchmod(sm_io_getinfo(f, SM_IO_WHAT_FD, NULL), + (MODE_T) mode); +#else /* HASFCHMOD */ + (void) chmod(filename, (MODE_T) mode); +#endif /* HASFCHMOD */ + if (sm_io_close(f, SM_TIME_DEFAULT) < 0) + setstat(EX_IOERR); + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + (void) setuid(RealUid); + exit(ExitStat); + /* NOTREACHED */ + } + else + { + /* parent -- wait for exit status */ + int st; + + st = waitfor(pid); + if (st == -1) + { + syserr("mailfile: %s: wait", mailer->m_name); + return EX_SOFTWARE; + } + if (WIFEXITED(st)) + { + errno = 0; + return (WEXITSTATUS(st)); + } + else + { + syserr("mailfile: %s: child died on signal %d", + mailer->m_name, st); + return EX_UNAVAILABLE; + } + /* NOTREACHED */ + } + return EX_UNAVAILABLE; /* avoid compiler warning on IRIX */ +} + +static void +mailfiletimeout(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(CtxMailfileTimeout, 1); +} +/* +** HOSTSIGNATURE -- return the "signature" for a host. +** +** The signature describes how we are going to send this -- it +** can be just the hostname (for non-Internet hosts) or can be +** an ordered list of MX hosts. +** +** Parameters: +** m -- the mailer describing this host. +** host -- the host name. +** +** Returns: +** The signature for this host. +** +** Side Effects: +** Can tweak the symbol table. +*/ + +#define MAXHOSTSIGNATURE 8192 /* max len of hostsignature */ + +char * +hostsignature(m, host) + register MAILER *m; + char *host; +{ + register char *p; + register STAB *s; + time_t now; +#if NAMED_BIND + char sep = ':'; + char prevsep = ':'; + int i; + int len; + int nmx; + int hl; + char *hp; + char *endp; + int oldoptions = _res.options; + char *mxhosts[MAXMXHOSTS + 1]; + unsigned short mxprefs[MAXMXHOSTS + 1]; +#endif /* NAMED_BIND */ + + if (tTd(17, 3)) + sm_dprintf("hostsignature(%s)\n", host); + + /* + ** If local delivery (and not remote), just return a constant. + */ + + if (bitnset(M_LOCALMAILER, m->m_flags) && + strcmp(m->m_mailer, "[IPC]") != 0 && + !(m->m_argv[0] != NULL && strcmp(m->m_argv[0], "TCP") == 0)) + return "localhost"; + + /* an empty host does not have MX records */ + if (*host == '\0') + return "_empty_"; + + /* + ** Check to see if this uses IPC -- if not, it can't have MX records. + */ + + if (strcmp(m->m_mailer, "[IPC]") != 0 || + CurEnv->e_sendmode == SM_DEFER) + { + /* just an ordinary mailer or deferred mode */ + return host; + } +#if NETUNIX + else if (m->m_argv[0] != NULL && + strcmp(m->m_argv[0], "FILE") == 0) + { + /* rendezvous in the file system, no MX records */ + return host; + } +#endif /* NETUNIX */ + + /* + ** Look it up in the symbol table. + */ + + now = curtime(); + s = stab(host, ST_HOSTSIG, ST_ENTER); + if (s->s_hostsig.hs_sig != NULL) + { + if (s->s_hostsig.hs_exp >= now) + { + if (tTd(17, 3)) + sm_dprintf("hostsignature(): stab(%s) found %s\n", host, + s->s_hostsig.hs_sig); + return s->s_hostsig.hs_sig; + } + + /* signature is expired: clear it */ + sm_free(s->s_hostsig.hs_sig); + s->s_hostsig.hs_sig = NULL; + } + + /* set default TTL */ + s->s_hostsig.hs_exp = now + SM_DEFAULT_TTL; + + /* + ** Not already there or expired -- create a signature. + */ + +#if NAMED_BIND + if (ConfigLevel < 2) + _res.options &= ~(RES_DEFNAMES | RES_DNSRCH); /* XXX */ + + for (hp = host; hp != NULL; hp = endp) + { +#if NETINET6 + if (*hp == '[') + { + endp = strchr(hp + 1, ']'); + if (endp != NULL) + endp = strpbrk(endp + 1, ":,"); + } + else + endp = strpbrk(hp, ":,"); +#else /* NETINET6 */ + endp = strpbrk(hp, ":,"); +#endif /* NETINET6 */ + if (endp != NULL) + { + sep = *endp; + *endp = '\0'; + } + + if (bitnset(M_NOMX, m->m_flags)) + { + /* skip MX lookups */ + nmx = 1; + mxhosts[0] = hp; + } + else + { + auto int rcode; + int ttl; + + nmx = getmxrr(hp, mxhosts, mxprefs, true, &rcode, true, + &ttl); + if (nmx <= 0) + { + int save_errno; + register MCI *mci; + + /* update the connection info for this host */ + save_errno = errno; + mci = mci_get(hp, m); + mci->mci_errno = save_errno; + mci->mci_herrno = h_errno; + mci->mci_lastuse = now; + if (rcode == EX_NOHOST) + mci_setstat(mci, rcode, "5.1.2", + "550 Host unknown"); + else + mci_setstat(mci, rcode, NULL, NULL); + + /* use the original host name as signature */ + nmx = 1; + mxhosts[0] = hp; + } + if (tTd(17, 3)) + sm_dprintf("hostsignature(): getmxrr() returned %d, mxhosts[0]=%s\n", + nmx, mxhosts[0]); + + /* + ** Set new TTL: we use only one! + ** We could try to use the minimum instead. + */ + + s->s_hostsig.hs_exp = now + SM_MIN(ttl, SM_DEFAULT_TTL); + } + + len = 0; + for (i = 0; i < nmx; i++) + len += strlen(mxhosts[i]) + 1; + if (s->s_hostsig.hs_sig != NULL) + len += strlen(s->s_hostsig.hs_sig) + 1; + if (len < 0 || len >= MAXHOSTSIGNATURE) + { + sm_syslog(LOG_WARNING, NOQID, "hostsignature for host '%s' exceeds maxlen (%d): %d", + host, MAXHOSTSIGNATURE, len); + len = MAXHOSTSIGNATURE; + } + p = sm_pmalloc_x(len); + if (s->s_hostsig.hs_sig != NULL) + { + (void) sm_strlcpy(p, s->s_hostsig.hs_sig, len); + sm_free(s->s_hostsig.hs_sig); /* XXX */ + s->s_hostsig.hs_sig = p; + hl = strlen(p); + p += hl; + *p++ = prevsep; + len -= hl + 1; + } + else + s->s_hostsig.hs_sig = p; + for (i = 0; i < nmx; i++) + { + hl = strlen(mxhosts[i]); + if (len - 1 < hl || len <= 1) + { + /* force to drop out of outer loop */ + len = -1; + break; + } + if (i != 0) + { + if (mxprefs[i] == mxprefs[i - 1]) + *p++ = ','; + else + *p++ = ':'; + len--; + } + (void) sm_strlcpy(p, mxhosts[i], len); + p += hl; + len -= hl; + } + + /* + ** break out of loop if len exceeded MAXHOSTSIGNATURE + ** because we won't have more space for further hosts + ** anyway (separated by : in the .cf file). + */ + + if (len < 0) + break; + if (endp != NULL) + *endp++ = sep; + prevsep = sep; + } + makelower(s->s_hostsig.hs_sig); + if (ConfigLevel < 2) + _res.options = oldoptions; +#else /* NAMED_BIND */ + /* not using BIND -- the signature is just the host name */ + /* + ** 'host' points to storage that will be freed after we are + ** done processing the current envelope, so we copy it. + */ + s->s_hostsig.hs_sig = sm_pstrdup_x(host); +#endif /* NAMED_BIND */ + if (tTd(17, 1)) + sm_dprintf("hostsignature(%s) = %s\n", host, s->s_hostsig.hs_sig); + return s->s_hostsig.hs_sig; +} +/* +** PARSE_HOSTSIGNATURE -- parse the "signature" and return MX host array. +** +** The signature describes how we are going to send this -- it +** can be just the hostname (for non-Internet hosts) or can be +** an ordered list of MX hosts which must be randomized for equal +** MX preference values. +** +** Parameters: +** sig -- the host signature. +** mxhosts -- array to populate. +** mailer -- mailer. +** +** Returns: +** The number of hosts inserted into mxhosts array. +** +** Side Effects: +** Randomizes equal MX preference hosts in mxhosts. +*/ + +static int +parse_hostsignature(sig, mxhosts, mailer) + char *sig; + char **mxhosts; + MAILER *mailer; +{ + unsigned short curpref = 0; + int nmx = 0, i, j; /* NOTE: i, j, and nmx must have same type */ + char *hp, *endp; + unsigned short prefer[MAXMXHOSTS]; + long rndm[MAXMXHOSTS]; + + for (hp = sig; hp != NULL; hp = endp) + { + char sep = ':'; + +#if NETINET6 + if (*hp == '[') + { + endp = strchr(hp + 1, ']'); + if (endp != NULL) + endp = strpbrk(endp + 1, ":,"); + } + else + endp = strpbrk(hp, ":,"); +#else /* NETINET6 */ + endp = strpbrk(hp, ":,"); +#endif /* NETINET6 */ + if (endp != NULL) + { + sep = *endp; + *endp = '\0'; + } + + mxhosts[nmx] = hp; + prefer[nmx] = curpref; + if (mci_match(hp, mailer)) + rndm[nmx] = 0; + else + rndm[nmx] = get_random(); + + if (endp != NULL) + { + /* + ** Since we don't have the original MX prefs, + ** make our own. If the separator is a ':', that + ** means the preference for the next host will be + ** higher than this one, so simply increment curpref. + */ + + if (sep == ':') + curpref++; + + *endp++ = sep; + } + if (++nmx >= MAXMXHOSTS) + break; + } + + /* sort the records using the random factor for equal preferences */ + for (i = 0; i < nmx; i++) + { + for (j = i + 1; j < nmx; j++) + { + /* + ** List is already sorted by MX preference, only + ** need to look for equal preference MX records + */ + + if (prefer[i] < prefer[j]) + break; + + if (prefer[i] > prefer[j] || + (prefer[i] == prefer[j] && rndm[i] > rndm[j])) + { + register unsigned short tempp; + register long tempr; + register char *temp1; + + tempp = prefer[i]; + prefer[i] = prefer[j]; + prefer[j] = tempp; + temp1 = mxhosts[i]; + mxhosts[i] = mxhosts[j]; + mxhosts[j] = temp1; + tempr = rndm[i]; + rndm[i] = rndm[j]; + rndm[j] = tempr; + } + } + } + return nmx; +} + +# if STARTTLS +static SSL_CTX *clt_ctx = NULL; +static bool tls_ok_clt = true; + +/* +** SETCLTTLS -- client side TLS: allow/disallow. +** +** Parameters: +** tls_ok -- should tls be done? +** +** Returns: +** none. +** +** Side Effects: +** sets tls_ok_clt (static variable in this module) +*/ + +void +setclttls(tls_ok) + bool tls_ok; +{ + tls_ok_clt = tls_ok; + return; +} +/* +** INITCLTTLS -- initialize client side TLS +** +** Parameters: +** tls_ok -- should tls initialization be done? +** +** Returns: +** succeeded? +** +** Side Effects: +** sets tls_ok_clt (static variable in this module) +*/ + +bool +initclttls(tls_ok) + bool tls_ok; +{ + if (!tls_ok_clt) + return false; + tls_ok_clt = tls_ok; + if (!tls_ok_clt) + return false; + if (clt_ctx != NULL) + return true; /* already done */ + tls_ok_clt = inittls(&clt_ctx, TLS_I_CLT, false, CltCertFile, + CltKeyFile, CACertPath, CACertFile, DHParams); + return tls_ok_clt; +} + +/* +** STARTTLS -- try to start secure connection (client side) +** +** Parameters: +** m -- the mailer. +** mci -- the mailer connection info. +** e -- the envelope. +** +** Returns: +** success? +** (maybe this should be some other code than EX_ +** that denotes which stage failed.) +*/ + +static int +starttls(m, mci, e) + MAILER *m; + MCI *mci; + ENVELOPE *e; +{ + int smtpresult; + int result = 0; + int rfd, wfd; + SSL *clt_ssl = NULL; + time_t tlsstart; + + if (clt_ctx == NULL && !initclttls(true)) + return EX_TEMPFAIL; + smtpmessage("STARTTLS", m, mci); + + /* get the reply */ + smtpresult = reply(m, mci, e, TimeOuts.to_starttls, NULL, NULL, + XS_STARTTLS); + + /* check return code from server */ + if (smtpresult == 454) + return EX_TEMPFAIL; + if (smtpresult == 501) + return EX_USAGE; + if (smtpresult == -1) + return smtpresult; + if (smtpresult != 220) + return EX_PROTOCOL; + + if (LogLevel > 13) + sm_syslog(LOG_INFO, NOQID, "STARTTLS=client, start=ok"); + + /* start connection */ + if ((clt_ssl = SSL_new(clt_ctx)) == NULL) + { + if (LogLevel > 5) + { + sm_syslog(LOG_ERR, NOQID, + "STARTTLS=client, error: SSL_new failed"); + if (LogLevel > 9) + tlslogerr("client"); + } + return EX_SOFTWARE; + } + + rfd = sm_io_getinfo(mci->mci_in, SM_IO_WHAT_FD, NULL); + wfd = sm_io_getinfo(mci->mci_out, SM_IO_WHAT_FD, NULL); + + /* SSL_clear(clt_ssl); ? */ + if (rfd < 0 || wfd < 0 || + (result = SSL_set_rfd(clt_ssl, rfd)) != 1 || + (result = SSL_set_wfd(clt_ssl, wfd)) != 1) + { + if (LogLevel > 5) + { + sm_syslog(LOG_ERR, NOQID, + "STARTTLS=client, error: SSL_set_xfd failed=%d", + result); + if (LogLevel > 9) + tlslogerr("client"); + } + return EX_SOFTWARE; + } + SSL_set_connect_state(clt_ssl); + tlsstart = curtime(); + +ssl_retry: + if ((result = SSL_connect(clt_ssl)) <= 0) + { + int i; + bool timedout; + time_t left; + time_t now = curtime(); + struct timeval tv; + + /* what to do in this case? */ + i = SSL_get_error(clt_ssl, result); + + /* + ** For SSL_ERROR_WANT_{READ,WRITE}: + ** There is not a complete SSL record available yet + ** or there is only a partial SSL record removed from + ** the network (socket) buffer into the SSL buffer. + ** The SSL_connect will only succeed when a full + ** SSL record is available (assuming a "real" error + ** doesn't happen). To handle when a "real" error + ** does happen the select is set for exceptions too. + ** The connection may be re-negotiated during this time + ** so both read and write "want errors" need to be handled. + ** A select() exception loops back so that a proper SSL + ** error message can be gotten. + */ + + left = TimeOuts.to_starttls - (now - tlsstart); + timedout = left <= 0; + if (!timedout) + { + tv.tv_sec = left; + tv.tv_usec = 0; + } + + if (!timedout && FD_SETSIZE > 0 && + (rfd >= FD_SETSIZE || + (i == SSL_ERROR_WANT_WRITE && wfd >= FD_SETSIZE))) + { + if (LogLevel > 5) + { + sm_syslog(LOG_ERR, e->e_id, + "STARTTLS=client, error: fd %d/%d too large", + rfd, wfd); + if (LogLevel > 8) + tlslogerr("client"); + } + errno = EINVAL; + goto tlsfail; + } + if (!timedout && i == SSL_ERROR_WANT_READ) + { + fd_set ssl_maskr, ssl_maskx; + + FD_ZERO(&ssl_maskr); + FD_SET(rfd, &ssl_maskr); + FD_ZERO(&ssl_maskx); + FD_SET(rfd, &ssl_maskx); + if (select(rfd + 1, &ssl_maskr, NULL, &ssl_maskx, &tv) + > 0) + goto ssl_retry; + } + if (!timedout && i == SSL_ERROR_WANT_WRITE) + { + fd_set ssl_maskw, ssl_maskx; + + FD_ZERO(&ssl_maskw); + FD_SET(wfd, &ssl_maskw); + FD_ZERO(&ssl_maskx); + FD_SET(rfd, &ssl_maskx); + if (select(wfd + 1, NULL, &ssl_maskw, &ssl_maskx, &tv) + > 0) + goto ssl_retry; + } + if (LogLevel > 5) + { + sm_syslog(LOG_ERR, e->e_id, + "STARTTLS=client, error: connect failed=%d, SSL_error=%d, timedout=%d, errno=%d", + result, i, (int) timedout, errno); + if (LogLevel > 8) + tlslogerr("client"); + } +tlsfail: + SSL_free(clt_ssl); + clt_ssl = NULL; + return EX_SOFTWARE; + } + mci->mci_ssl = clt_ssl; + result = tls_get_info(mci->mci_ssl, false, mci->mci_host, + &mci->mci_macro, true); + + /* switch to use TLS... */ + if (sfdctls(&mci->mci_in, &mci->mci_out, mci->mci_ssl) == 0) + return EX_OK; + + /* failure */ + SSL_free(clt_ssl); + clt_ssl = NULL; + return EX_SOFTWARE; +} +/* +** ENDTLSCLT -- shutdown secure connection (client side) +** +** Parameters: +** mci -- the mailer connection info. +** +** Returns: +** success? +*/ + +static int +endtlsclt(mci) + MCI *mci; +{ + int r; + + if (!bitset(MCIF_TLSACT, mci->mci_flags)) + return EX_OK; + r = endtls(mci->mci_ssl, "client"); + mci->mci_flags &= ~MCIF_TLSACT; + return r; +} +# endif /* STARTTLS */ +# if STARTTLS || SASL +/* +** ISCLTFLGSET -- check whether client flag is set. +** +** Parameters: +** e -- envelope. +** flag -- flag to check in {client_flags} +** +** Returns: +** true iff flag is set. +*/ + +static bool +iscltflgset(e, flag) + ENVELOPE *e; + int flag; +{ + char *p; + + p = macvalue(macid("{client_flags}"), e); + if (p == NULL) + return false; + for (; *p != '\0'; p++) + { + /* look for just this one flag */ + if (*p == (char) flag) + return true; + } + return false; +} +# endif /* STARTTLS || SASL */ diff --git a/contrib/sendmail-8.13.4/sendmail/domain.c b/contrib/sendmail-8.13.4/sendmail/domain.c new file mode 100644 index 0000000000..e12baad84d --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/domain.c @@ -0,0 +1,1169 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1986, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +#if NAMED_BIND +SM_RCSID("@(#)$Id: domain.c,v 8.197 2005/03/04 00:54:42 ca Exp $ (with name server)") +#else /* NAMED_BIND */ +SM_RCSID("@(#)$Id: domain.c,v 8.197 2005/03/04 00:54:42 ca Exp $ (without name server)") +#endif /* NAMED_BIND */ + +#if NAMED_BIND + +# include + + +/* +** The standard udp packet size PACKETSZ (512) is not sufficient for some +** nameserver answers containing very many resource records. The resolver +** may switch to tcp and retry if it detects udp packet overflow. +** Also note that the resolver routines res_query and res_search return +** the size of the *un*truncated answer in case the supplied answer buffer +** it not big enough to accommodate the entire answer. +*/ + +# ifndef MAXPACKET +# define MAXPACKET 8192 /* max packet size used internally by BIND */ +# endif /* ! MAXPACKET */ + +typedef union +{ + HEADER qb1; + unsigned char qb2[MAXPACKET]; +} querybuf; + +# ifndef MXHOSTBUFSIZE +# define MXHOSTBUFSIZE (128 * MAXMXHOSTS) +# endif /* ! MXHOSTBUFSIZE */ + +static char MXHostBuf[MXHOSTBUFSIZE]; +#if (MXHOSTBUFSIZE < 2) || (MXHOSTBUFSIZE >= INT_MAX/2) + ERROR: _MXHOSTBUFSIZE is out of range +#endif /* (MXHOSTBUFSIZE < 2) || (MXHOSTBUFSIZE >= INT_MAX/2) */ + +# ifndef MAXDNSRCH +# define MAXDNSRCH 6 /* number of possible domains to search */ +# endif /* ! MAXDNSRCH */ + +# ifndef RES_DNSRCH_VARIABLE +# define RES_DNSRCH_VARIABLE _res.dnsrch +# endif /* ! RES_DNSRCH_VARIABLE */ + +# ifndef NO_DATA +# define NO_DATA NO_ADDRESS +# endif /* ! NO_DATA */ + +# ifndef HFIXEDSZ +# define HFIXEDSZ 12 /* sizeof(HEADER) */ +# endif /* ! HFIXEDSZ */ + +# define MAXCNAMEDEPTH 10 /* maximum depth of CNAME recursion */ + +# if defined(__RES) && (__RES >= 19940415) +# define RES_UNC_T char * +# else /* defined(__RES) && (__RES >= 19940415) */ +# define RES_UNC_T unsigned char * +# endif /* defined(__RES) && (__RES >= 19940415) */ + +static int mxrand __P((char *)); +static int fallbackmxrr __P((int, unsigned short *, char **)); + +/* +** GETFALLBACKMXRR -- get MX resource records for fallback MX host. +** +** We have to initialize this once before doing anything else. +** Moreover, we have to repeat this from time to time to avoid +** stale data, e.g., in persistent queue runners. +** This should be done in a parent process so the child +** processes have the right data. +** +** Parameters: +** host -- the name of the fallback MX host. +** +** Returns: +** number of MX records. +** +** Side Effects: +** Populates NumFallbackMXHosts and fbhosts. +** Sets renewal time (based on TTL). +*/ + +int NumFallbackMXHosts = 0; /* Number of fallback MX hosts (after MX expansion) */ +static char *fbhosts[MAXMXHOSTS + 1]; + +int +getfallbackmxrr(host) + char *host; +{ + int i, rcode; + int ttl; + static time_t renew = 0; + +#if 0 + /* This is currently done before this function is called. */ + if (host == NULL || *host == '\0') + return 0; +#endif /* 0 */ + if (NumFallbackMXHosts > 0 && renew > curtime()) + return NumFallbackMXHosts; + if (host[0] == '[') + { + fbhosts[0] = host; + NumFallbackMXHosts = 1; + } + else + { + /* free old data */ + for (i = 0; i < NumFallbackMXHosts; i++) + sm_free(fbhosts[i]); + + /* get new data */ + NumFallbackMXHosts = getmxrr(host, fbhosts, NULL, false, + &rcode, false, &ttl); + renew = curtime() + ttl; + for (i = 0; i < NumFallbackMXHosts; i++) + fbhosts[i] = newstr(fbhosts[i]); + } + return NumFallbackMXHosts; +} + +/* +** FALLBACKMXRR -- add MX resource records for fallback MX host to list. +** +** Parameters: +** nmx -- current number of MX records. +** prefs -- array of preferences. +** mxhosts -- array of MX hosts (maximum size: MAXMXHOSTS) +** +** Returns: +** new number of MX records. +** +** Side Effects: +** If FallbackMX was set, it appends the MX records for +** that host to mxhosts (and modifies prefs accordingly). +*/ + +static int +fallbackmxrr(nmx, prefs, mxhosts) + int nmx; + unsigned short *prefs; + char **mxhosts; +{ + int i; + + for (i = 0; i < NumFallbackMXHosts && nmx < MAXMXHOSTS; i++) + { + if (nmx > 0) + prefs[nmx] = prefs[nmx - 1] + 1; + else + prefs[nmx] = 0; + mxhosts[nmx++] = fbhosts[i]; + } + return nmx; +} + +/* +** GETMXRR -- get MX resource records for a domain +** +** Parameters: +** host -- the name of the host to MX. +** mxhosts -- a pointer to a return buffer of MX records. +** mxprefs -- a pointer to a return buffer of MX preferences. +** If NULL, don't try to populate. +** droplocalhost -- If true, all MX records less preferred +** than the local host (as determined by $=w) will +** be discarded. +** rcode -- a pointer to an EX_ status code. +** tryfallback -- add also fallback MX host? +** pttl -- pointer to return TTL (can be NULL). +** +** Returns: +** The number of MX records found. +** -1 if there is an internal failure. +** If no MX records are found, mxhosts[0] is set to host +** and 1 is returned. +** +** Side Effects: +** The entries made for mxhosts point to a static array +** MXHostBuf[MXHOSTBUFSIZE], so the data needs to be copied, +** if it must be preserved across calls to this function. +*/ + +int +getmxrr(host, mxhosts, mxprefs, droplocalhost, rcode, tryfallback, pttl) + char *host; + char **mxhosts; + unsigned short *mxprefs; + bool droplocalhost; + int *rcode; + bool tryfallback; + int *pttl; +{ + register unsigned char *eom, *cp; + register int i, j, n; + int nmx = 0; + register char *bp; + HEADER *hp; + querybuf answer; + int ancount, qdcount, buflen; + bool seenlocal = false; + unsigned short pref, type; + unsigned short localpref = 256; + char *fallbackMX = FallbackMX; + bool trycanon = false; + unsigned short *prefs; + int (*resfunc) __P((const char *, int, int, u_char *, int)); + unsigned short prefer[MAXMXHOSTS]; + int weight[MAXMXHOSTS]; + int ttl = 0; + extern int res_query(), res_search(); + + if (tTd(8, 2)) + sm_dprintf("getmxrr(%s, droplocalhost=%d)\n", + host, droplocalhost); + *rcode = EX_OK; + if (pttl != NULL) + *pttl = SM_DEFAULT_TTL; + if (*host == '\0') + return 0; + + if ((fallbackMX != NULL && droplocalhost && + wordinclass(fallbackMX, 'w')) || !tryfallback) + { + /* don't use fallback for this pass */ + fallbackMX = NULL; + } + + if (mxprefs != NULL) + prefs = mxprefs; + else + prefs = prefer; + + /* efficiency hack -- numeric or non-MX lookups */ + if (host[0] == '[') + goto punt; + + /* + ** If we don't have MX records in our host switch, don't + ** try for MX records. Note that this really isn't "right", + ** since we might be set up to try NIS first and then DNS; + ** if the host is found in NIS we really shouldn't be doing + ** MX lookups. However, that should be a degenerate case. + */ + + if (!UseNameServer) + goto punt; + if (HasWildcardMX && ConfigLevel >= 6) + resfunc = res_query; + else + resfunc = res_search; + + errno = 0; + n = (*resfunc)(host, C_IN, T_MX, (unsigned char *) &answer, + sizeof(answer)); + if (n < 0) + { + if (tTd(8, 1)) + sm_dprintf("getmxrr: res_search(%s) failed (errno=%d, h_errno=%d)\n", + host == NULL ? "" : host, errno, h_errno); + switch (h_errno) + { + case NO_DATA: + trycanon = true; + /* FALLTHROUGH */ + + case NO_RECOVERY: + /* no MX data on this host */ + goto punt; + + case HOST_NOT_FOUND: +# if BROKEN_RES_SEARCH + case 0: /* Ultrix resolver retns failure w/ h_errno=0 */ +# endif /* BROKEN_RES_SEARCH */ + /* host doesn't exist in DNS; might be in /etc/hosts */ + trycanon = true; + *rcode = EX_NOHOST; + goto punt; + + case TRY_AGAIN: + case -1: + /* couldn't connect to the name server */ + if (fallbackMX != NULL) + { + /* name server is hosed -- push to fallback */ + return fallbackmxrr(nmx, prefs, mxhosts); + } + /* it might come up later; better queue it up */ + *rcode = EX_TEMPFAIL; + break; + + default: + syserr("getmxrr: res_search (%s) failed with impossible h_errno (%d)", + host, h_errno); + *rcode = EX_OSERR; + break; + } + + /* irreconcilable differences */ + return -1; + } + + /* avoid problems after truncation in tcp packets */ + if (n > sizeof(answer)) + n = sizeof(answer); + + /* find first satisfactory answer */ + hp = (HEADER *)&answer; + cp = (unsigned char *)&answer + HFIXEDSZ; + eom = (unsigned char *)&answer + n; + for (qdcount = ntohs((unsigned short) hp->qdcount); + qdcount--; + cp += n + QFIXEDSZ) + { + if ((n = dn_skipname(cp, eom)) < 0) + goto punt; + } + + /* NOTE: see definition of MXHostBuf! */ + buflen = sizeof(MXHostBuf) - 1; + SM_ASSERT(buflen > 0); + bp = MXHostBuf; + ancount = ntohs((unsigned short) hp->ancount); + + /* See RFC 1035 for layout of RRs. */ + /* XXX leave room for FallbackMX ? */ + while (--ancount >= 0 && cp < eom && nmx < MAXMXHOSTS - 1) + { + if ((n = dn_expand((unsigned char *)&answer, eom, cp, + (RES_UNC_T) bp, buflen)) < 0) + break; + cp += n; + GETSHORT(type, cp); + cp += INT16SZ; /* skip over class */ + GETLONG(ttl, cp); + GETSHORT(n, cp); /* rdlength */ + if (type != T_MX) + { + if (tTd(8, 8) || _res.options & RES_DEBUG) + sm_dprintf("unexpected answer type %d, size %d\n", + type, n); + cp += n; + continue; + } + GETSHORT(pref, cp); + if ((n = dn_expand((unsigned char *)&answer, eom, cp, + (RES_UNC_T) bp, buflen)) < 0) + break; + cp += n; + n = strlen(bp); +# if 0 + /* Can this happen? */ + if (n == 0) + { + if (LogLevel > 4) + sm_syslog(LOG_ERR, NOQID, + "MX records for %s contain empty string", + host); + continue; + } +# endif /* 0 */ + if (wordinclass(bp, 'w')) + { + if (tTd(8, 3)) + sm_dprintf("found localhost (%s) in MX list, pref=%d\n", + bp, pref); + if (droplocalhost) + { + if (!seenlocal || pref < localpref) + localpref = pref; + seenlocal = true; + continue; + } + weight[nmx] = 0; + } + else + weight[nmx] = mxrand(bp); + prefs[nmx] = pref; + mxhosts[nmx++] = bp; + bp += n; + if (bp[-1] != '.') + { + *bp++ = '.'; + n++; + } + *bp++ = '\0'; + if (buflen < n + 1) + { + /* don't want to wrap buflen */ + break; + } + buflen -= n + 1; + } + + /* return only one TTL entry, that should be sufficient */ + if (ttl > 0 && pttl != NULL) + *pttl = ttl; + + /* sort the records */ + for (i = 0; i < nmx; i++) + { + for (j = i + 1; j < nmx; j++) + { + if (prefs[i] > prefs[j] || + (prefs[i] == prefs[j] && weight[i] > weight[j])) + { + register int temp; + register char *temp1; + + temp = prefs[i]; + prefs[i] = prefs[j]; + prefs[j] = temp; + temp1 = mxhosts[i]; + mxhosts[i] = mxhosts[j]; + mxhosts[j] = temp1; + temp = weight[i]; + weight[i] = weight[j]; + weight[j] = temp; + } + } + if (seenlocal && prefs[i] >= localpref) + { + /* truncate higher preference part of list */ + nmx = i; + } + } + + /* delete duplicates from list (yes, some bozos have duplicates) */ + for (i = 0; i < nmx - 1; ) + { + if (sm_strcasecmp(mxhosts[i], mxhosts[i + 1]) != 0) + i++; + else + { + /* compress out duplicate */ + for (j = i + 1; j < nmx; j++) + { + mxhosts[j] = mxhosts[j + 1]; + prefs[j] = prefs[j + 1]; + } + nmx--; + } + } + + if (nmx == 0) + { +punt: + if (seenlocal) + { + struct hostent *h = NULL; + + /* + ** If we have deleted all MX entries, this is + ** an error -- we should NEVER send to a host that + ** has an MX, and this should have been caught + ** earlier in the config file. + ** + ** Some sites prefer to go ahead and try the + ** A record anyway; that case is handled by + ** setting TryNullMXList. I believe this is a + ** bad idea, but it's up to you.... + */ + + if (TryNullMXList) + { + SM_SET_H_ERRNO(0); + errno = 0; + h = sm_gethostbyname(host, AF_INET); + if (h == NULL) + { + if (errno == ETIMEDOUT || + h_errno == TRY_AGAIN || + (errno == ECONNREFUSED && + UseNameServer)) + { + *rcode = EX_TEMPFAIL; + return -1; + } +# if NETINET6 + SM_SET_H_ERRNO(0); + errno = 0; + h = sm_gethostbyname(host, AF_INET6); + if (h == NULL && + (errno == ETIMEDOUT || + h_errno == TRY_AGAIN || + (errno == ECONNREFUSED && + UseNameServer))) + { + *rcode = EX_TEMPFAIL; + return -1; + } +# endif /* NETINET6 */ + } + } + + if (h == NULL) + { + *rcode = EX_CONFIG; + syserr("MX list for %s points back to %s", + host, MyHostName); + return -1; + } +# if NETINET6 + freehostent(h); + hp = NULL; +# endif /* NETINET6 */ + } + if (strlen(host) >= sizeof MXHostBuf) + { + *rcode = EX_CONFIG; + syserr("Host name %s too long", + shortenstring(host, MAXSHORTSTR)); + return -1; + } + (void) sm_strlcpy(MXHostBuf, host, sizeof MXHostBuf); + mxhosts[0] = MXHostBuf; + prefs[0] = 0; + if (host[0] == '[') + { + register char *p; +# if NETINET6 + struct sockaddr_in6 tmp6; +# endif /* NETINET6 */ + + /* this may be an MX suppression-style address */ + p = strchr(MXHostBuf, ']'); + if (p != NULL) + { + *p = '\0'; + + if (inet_addr(&MXHostBuf[1]) != INADDR_NONE) + { + nmx++; + *p = ']'; + } +# if NETINET6 + else if (anynet_pton(AF_INET6, &MXHostBuf[1], + &tmp6.sin6_addr) == 1) + { + nmx++; + *p = ']'; + } +# endif /* NETINET6 */ + else + { + trycanon = true; + mxhosts[0]++; + } + } + } + if (trycanon && + getcanonname(mxhosts[0], sizeof MXHostBuf - 2, false, pttl)) + { + /* XXX MXHostBuf == "" ? is that possible? */ + bp = &MXHostBuf[strlen(MXHostBuf)]; + if (bp[-1] != '.') + { + *bp++ = '.'; + *bp = '\0'; + } + nmx = 1; + } + } + + /* if we have a default lowest preference, include that */ + if (fallbackMX != NULL && !seenlocal) + { + nmx = fallbackmxrr(nmx, prefs, mxhosts); + } + return nmx; +} +/* +** MXRAND -- create a randomizer for equal MX preferences +** +** If two MX hosts have equal preferences we want to randomize +** the selection. But in order for signatures to be the same, +** we need to randomize the same way each time. This function +** computes a pseudo-random hash function from the host name. +** +** Parameters: +** host -- the name of the host. +** +** Returns: +** A random but repeatable value based on the host name. +*/ + +static int +mxrand(host) + register char *host; +{ + int hfunc; + static unsigned int seed; + + if (seed == 0) + { + seed = (int) curtime() & 0xffff; + if (seed == 0) + seed++; + } + + if (tTd(17, 9)) + sm_dprintf("mxrand(%s)", host); + + hfunc = seed; + while (*host != '\0') + { + int c = *host++; + + if (isascii(c) && isupper(c)) + c = tolower(c); + hfunc = ((hfunc << 1) ^ c) % 2003; + } + + hfunc &= 0xff; + hfunc++; + + if (tTd(17, 9)) + sm_dprintf(" = %d\n", hfunc); + return hfunc; +} +/* +** BESTMX -- find the best MX for a name +** +** This is really a hack, but I don't see any obvious way +** to generalize it at the moment. +*/ + +/* ARGSUSED3 */ +char * +bestmx_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + int nmx; + int saveopts = _res.options; + int i; + ssize_t len = 0; + char *result; + char *mxhosts[MAXMXHOSTS + 1]; +#if _FFR_BESTMX_BETTER_TRUNCATION + char *buf; +#else /* _FFR_BESTMX_BETTER_TRUNCATION */ + char *p; + char buf[PSBUFSIZE / 2]; +#endif /* _FFR_BESTMX_BETTER_TRUNCATION */ + + _res.options &= ~(RES_DNSRCH|RES_DEFNAMES); + nmx = getmxrr(name, mxhosts, NULL, false, statp, false, NULL); + _res.options = saveopts; + if (nmx <= 0) + return NULL; + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, name, strlen(name), NULL); + if ((map->map_coldelim == '\0') || (nmx == 1)) + return map_rewrite(map, mxhosts[0], strlen(mxhosts[0]), av); + + /* + ** We were given a -z flag (return all MXs) and there are multiple + ** ones. We need to build them all into a list. + */ + +#if _FFR_BESTMX_BETTER_TRUNCATION + for (i = 0; i < nmx; i++) + { + if (strchr(mxhosts[i], map->map_coldelim) != NULL) + { + syserr("bestmx_map_lookup: MX host %.64s includes map delimiter character 0x%02X", + mxhosts[i], map->map_coldelim); + return NULL; + } + len += strlen(mxhosts[i]) + 1; + if (len < 0) + { + len -= strlen(mxhosts[i]) + 1; + break; + } + } + buf = (char *) sm_malloc(len); + if (buf == NULL) + { + *statp = EX_UNAVAILABLE; + return NULL; + } + *buf = '\0'; + for (i = 0; i < nmx; i++) + { + int end; + + end = sm_strlcat(buf, mxhosts[i], len); + if (i != nmx && end + 1 < len) + { + buf[end] = map->map_coldelim; + buf[end + 1] = '\0'; + } + } + + /* Cleanly truncate for rulesets */ + truncate_at_delim(buf, PSBUFSIZE / 2, map->map_coldelim); +#else /* _FFR_BESTMX_BETTER_TRUNCATION */ + p = buf; + for (i = 0; i < nmx; i++) + { + size_t slen; + + if (strchr(mxhosts[i], map->map_coldelim) != NULL) + { + syserr("bestmx_map_lookup: MX host %.64s includes map delimiter character 0x%02X", + mxhosts[i], map->map_coldelim); + return NULL; + } + slen = strlen(mxhosts[i]); + if (len + slen + 2 > sizeof buf) + break; + if (i > 0) + { + *p++ = map->map_coldelim; + len++; + } + (void) sm_strlcpy(p, mxhosts[i], sizeof buf - len); + p += slen; + len += slen; + } +#endif /* _FFR_BESTMX_BETTER_TRUNCATION */ + + result = map_rewrite(map, buf, len, av); +#if _FFR_BESTMX_BETTER_TRUNCATION + sm_free(buf); +#endif /* _FFR_BESTMX_BETTER_TRUNCATION */ + return result; +} +/* +** DNS_GETCANONNAME -- get the canonical name for named host using DNS +** +** This algorithm tries to be smart about wildcard MX records. +** This is hard to do because DNS doesn't tell is if we matched +** against a wildcard or a specific MX. +** +** We always prefer A & CNAME records, since these are presumed +** to be specific. +** +** If we match an MX in one pass and lose it in the next, we use +** the old one. For example, consider an MX matching *.FOO.BAR.COM. +** A hostname bletch.foo.bar.com will match against this MX, but +** will stop matching when we try bletch.bar.com -- so we know +** that bletch.foo.bar.com must have been right. This fails if +** there was also an MX record matching *.BAR.COM, but there are +** some things that just can't be fixed. +** +** Parameters: +** host -- a buffer containing the name of the host. +** This is a value-result parameter. +** hbsize -- the size of the host buffer. +** trymx -- if set, try MX records as well as A and CNAME. +** statp -- pointer to place to store status. +** pttl -- pointer to return TTL (can be NULL). +** +** Returns: +** true -- if the host matched. +** false -- otherwise. +*/ + +bool +dns_getcanonname(host, hbsize, trymx, statp, pttl) + char *host; + int hbsize; + bool trymx; + int *statp; + int *pttl; +{ + register unsigned char *eom, *ap; + register char *cp; + register int n; + HEADER *hp; + querybuf answer; + int ancount, qdcount; + int ret; + char **domain; + int type; + int ttl = 0; + char **dp; + char *mxmatch; + bool amatch; + bool gotmx = false; + int qtype; + int initial; + int loopcnt; + char nbuf[SM_MAX(MAXPACKET, MAXDNAME*2+2)]; + char *searchlist[MAXDNSRCH + 2]; + + if (tTd(8, 2)) + sm_dprintf("dns_getcanonname(%s, trymx=%d)\n", host, trymx); + + if ((_res.options & RES_INIT) == 0 && res_init() == -1) + { + *statp = EX_UNAVAILABLE; + return false; + } + + *statp = EX_OK; + + /* + ** Initialize domain search list. If there is at least one + ** dot in the name, search the unmodified name first so we + ** find "vse.CS" in Czechoslovakia instead of in the local + ** domain (e.g., vse.CS.Berkeley.EDU). Note that there is no + ** longer a country named Czechoslovakia but this type of problem + ** is still present. + ** + ** Older versions of the resolver could create this + ** list by tearing apart the host name. + */ + + loopcnt = 0; +cnameloop: + /* Check for dots in the name */ + for (cp = host, n = 0; *cp != '\0'; cp++) + if (*cp == '.') + n++; + + /* + ** Build the search list. + ** If there is at least one dot in name, start with a null + ** domain to search the unmodified name first. + ** If name does not end with a dot and search up local domain + ** tree desired, append each local domain component to the + ** search list; if name contains no dots and default domain + ** name is desired, append default domain name to search list; + ** else if name ends in a dot, remove that dot. + */ + + dp = searchlist; + if (n > 0) + *dp++ = ""; + if (n >= 0 && *--cp != '.' && bitset(RES_DNSRCH, _res.options)) + { + /* make sure there are less than MAXDNSRCH domains */ + for (domain = RES_DNSRCH_VARIABLE, ret = 0; + *domain != NULL && ret < MAXDNSRCH; + ret++) + *dp++ = *domain++; + } + else if (n == 0 && bitset(RES_DEFNAMES, _res.options)) + { + *dp++ = _res.defdname; + } + else if (*cp == '.') + { + *cp = '\0'; + } + *dp = NULL; + + /* + ** Now loop through the search list, appending each domain in turn + ** name and searching for a match. + */ + + mxmatch = NULL; + initial = T_A; +# if NETINET6 + if (InetMode == AF_INET6) + initial = T_AAAA; +# endif /* NETINET6 */ + qtype = initial; + + for (dp = searchlist; *dp != NULL; ) + { + if (qtype == initial) + gotmx = false; + if (tTd(8, 5)) + sm_dprintf("dns_getcanonname: trying %s.%s (%s)\n", + host, *dp, +# if NETINET6 + qtype == T_AAAA ? "AAAA" : +# endif /* NETINET6 */ + qtype == T_A ? "A" : + qtype == T_MX ? "MX" : + "???"); + errno = 0; + ret = res_querydomain(host, *dp, C_IN, qtype, + answer.qb2, sizeof(answer.qb2)); + if (ret <= 0) + { + int save_errno = errno; + + if (tTd(8, 7)) + sm_dprintf("\tNO: errno=%d, h_errno=%d\n", + save_errno, h_errno); + + if (save_errno == ECONNREFUSED || h_errno == TRY_AGAIN) + { + /* + ** the name server seems to be down or broken. + */ + + SM_SET_H_ERRNO(TRY_AGAIN); + if (**dp == '\0') + { + if (*statp == EX_OK) + *statp = EX_TEMPFAIL; + goto nexttype; + } + *statp = EX_TEMPFAIL; + + if (WorkAroundBrokenAAAA) + { + /* + ** Only return if not TRY_AGAIN as an + ** attempt with a different qtype may + ** succeed (res_querydomain() calls + ** res_query() calls res_send() which + ** sets errno to ETIMEDOUT if the + ** nameservers could be contacted but + ** didn't give an answer). + */ + + if (save_errno != ETIMEDOUT) + return false; + } + else + return false; + } + +nexttype: + if (h_errno != HOST_NOT_FOUND) + { + /* might have another type of interest */ +# if NETINET6 + if (qtype == T_AAAA) + { + qtype = T_A; + continue; + } + else +# endif /* NETINET6 */ + if (qtype == T_A && !gotmx && + (trymx || **dp == '\0')) + { + qtype = T_MX; + continue; + } + } + + /* definite no -- try the next domain */ + dp++; + qtype = initial; + continue; + } + else if (tTd(8, 7)) + sm_dprintf("\tYES\n"); + + /* avoid problems after truncation in tcp packets */ + if (ret > sizeof(answer)) + ret = sizeof(answer); + if (ret < 0) + { + *statp = EX_SOFTWARE; + return false; + } + + /* + ** Appear to have a match. Confirm it by searching for A or + ** CNAME records. If we don't have a local domain + ** wild card MX record, we will accept MX as well. + */ + + hp = (HEADER *) &answer; + ap = (unsigned char *) &answer + HFIXEDSZ; + eom = (unsigned char *) &answer + ret; + + /* skip question part of response -- we know what we asked */ + for (qdcount = ntohs((unsigned short) hp->qdcount); + qdcount--; + ap += ret + QFIXEDSZ) + { + if ((ret = dn_skipname(ap, eom)) < 0) + { + if (tTd(8, 20)) + sm_dprintf("qdcount failure (%d)\n", + ntohs((unsigned short) hp->qdcount)); + *statp = EX_SOFTWARE; + return false; /* ???XXX??? */ + } + } + + amatch = false; + for (ancount = ntohs((unsigned short) hp->ancount); + --ancount >= 0 && ap < eom; + ap += n) + { + n = dn_expand((unsigned char *) &answer, eom, ap, + (RES_UNC_T) nbuf, sizeof nbuf); + if (n < 0) + break; + ap += n; + GETSHORT(type, ap); + ap += INT16SZ; /* skip over class */ + GETLONG(ttl, ap); + GETSHORT(n, ap); /* rdlength */ + switch (type) + { + case T_MX: + gotmx = true; + if (**dp != '\0' && HasWildcardMX) + { + /* + ** If we are using MX matches and have + ** not yet gotten one, save this one + ** but keep searching for an A or + ** CNAME match. + */ + + if (trymx && mxmatch == NULL) + mxmatch = *dp; + continue; + } + + /* + ** If we did not append a domain name, this + ** must have been a canonical name to start + ** with. Even if we did append a domain name, + ** in the absence of a wildcard MX this must + ** still be a real MX match. + ** Such MX matches are as good as an A match, + ** fall through. + */ + /* FALLTHROUGH */ + +# if NETINET6 + case T_AAAA: +# endif /* NETINET6 */ + case T_A: + /* Flag that a good match was found */ + amatch = true; + + /* continue in case a CNAME also exists */ + continue; + + case T_CNAME: + if (DontExpandCnames) + { + /* got CNAME -- guaranteed canonical */ + amatch = true; + break; + } + + if (loopcnt++ > MAXCNAMEDEPTH) + { + /*XXX should notify postmaster XXX*/ + message("DNS failure: CNAME loop for %s", + host); + if (CurEnv->e_message == NULL) + { + char ebuf[MAXLINE]; + + (void) sm_snprintf(ebuf, + sizeof ebuf, + "Deferred: DNS failure: CNAME loop for %.100s", + host); + CurEnv->e_message = + sm_rpool_strdup_x( + CurEnv->e_rpool, ebuf); + } + SM_SET_H_ERRNO(NO_RECOVERY); + *statp = EX_CONFIG; + return false; + } + + /* value points at name */ + if ((ret = dn_expand((unsigned char *)&answer, + eom, ap, (RES_UNC_T) nbuf, + sizeof(nbuf))) < 0) + break; + (void) sm_strlcpy(host, nbuf, hbsize); + + /* + ** RFC 1034 section 3.6 specifies that CNAME + ** should point at the canonical name -- but + ** urges software to try again anyway. + */ + + goto cnameloop; + + default: + /* not a record of interest */ + continue; + } + } + + if (amatch) + { + /* + ** Got a good match -- either an A, CNAME, or an + ** exact MX record. Save it and get out of here. + */ + + mxmatch = *dp; + break; + } + + /* + ** Nothing definitive yet. + ** If this was a T_A query and we haven't yet found a MX + ** match, try T_MX if allowed to do so. + ** Otherwise, try the next domain. + */ + +# if NETINET6 + if (qtype == T_AAAA) + qtype = T_A; + else +# endif /* NETINET6 */ + if (qtype == T_A && !gotmx && (trymx || **dp == '\0')) + qtype = T_MX; + else + { + qtype = initial; + dp++; + } + } + + /* if nothing was found, we are done */ + if (mxmatch == NULL) + { + if (*statp == EX_OK) + *statp = EX_NOHOST; + return false; + } + + /* + ** Create canonical name and return. + ** If saved domain name is null, name was already canonical. + ** Otherwise append the saved domain name. + */ + + (void) sm_snprintf(nbuf, sizeof nbuf, "%.*s%s%.*s", MAXDNAME, host, + *mxmatch == '\0' ? "" : ".", + MAXDNAME, mxmatch); + (void) sm_strlcpy(host, nbuf, hbsize); + if (tTd(8, 5)) + sm_dprintf("dns_getcanonname: %s\n", host); + *statp = EX_OK; + + /* return only one TTL entry, that should be sufficient */ + if (ttl > 0 && pttl != NULL) + *pttl = ttl; + return true; +} +#endif /* NAMED_BIND */ diff --git a/contrib/sendmail-8.13.4/sendmail/envelope.c b/contrib/sendmail-8.13.4/sendmail/envelope.c new file mode 100644 index 0000000000..af6370b44c --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/envelope.c @@ -0,0 +1,1257 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: envelope.c,v 8.294 2005/02/16 23:38:51 ca Exp $") + +/* +** CLRSESSENVELOPE -- clear session oriented data in an envelope +** +** Parameters: +** e -- the envelope to clear. +** +** Returns: +** none. +*/ + +void +clrsessenvelope(e) + ENVELOPE *e; +{ +#if SASL + macdefine(&e->e_macro, A_PERM, macid("{auth_type}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{auth_authen}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{auth_author}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{auth_ssf}"), ""); +#endif /* SASL */ +#if STARTTLS + macdefine(&e->e_macro, A_PERM, macid("{cert_issuer}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{cert_subject}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{cipher_bits}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{cipher}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{tls_version}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{verify}"), ""); +# if _FFR_TLS_1 + macdefine(&e->e_macro, A_PERM, macid("{alg_bits}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{cn_issuer}"), ""); + macdefine(&e->e_macro, A_PERM, macid("{cn_subject}"), ""); +# endif /* _FFR_TLS_1 */ +#endif /* STARTTLS */ +} + +/* +** NEWENVELOPE -- fill in a new envelope +** +** Supports inheritance. +** +** Parameters: +** e -- the new envelope to fill in. +** parent -- the envelope to be the parent of e. +** rpool -- either NULL, or a pointer to a resource pool +** from which envelope memory is allocated, and +** to which envelope resources are attached. +** +** Returns: +** e. +** +** Side Effects: +** none. +*/ + +ENVELOPE * +newenvelope(e, parent, rpool) + register ENVELOPE *e; + register ENVELOPE *parent; + SM_RPOOL_T *rpool; +{ + /* + ** This code used to read: + ** if (e == parent && e->e_parent != NULL) + ** parent = e->e_parent; + ** So if e == parent && e->e_parent == NULL then we would + ** set e->e_parent = e, which creates a loop in the e_parent chain. + ** This meant macvalue() could go into an infinite loop. + */ + + if (e == parent) + parent = e->e_parent; + clearenvelope(e, true, rpool); + if (e == CurEnv) + memmove((char *) &e->e_from, + (char *) &NullAddress, + sizeof e->e_from); + else + memmove((char *) &e->e_from, + (char *) &CurEnv->e_from, + sizeof e->e_from); + e->e_parent = parent; + assign_queueid(e); + e->e_ctime = curtime(); + if (parent != NULL) + { + e->e_msgpriority = parent->e_msgsize; + if (parent->e_quarmsg == NULL) + { + e->e_quarmsg = NULL; + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), ""); + } + else + { + e->e_quarmsg = sm_rpool_strdup_x(rpool, + parent->e_quarmsg); + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), e->e_quarmsg); + } + } + e->e_puthdr = putheader; + e->e_putbody = putbody; + if (CurEnv->e_xfp != NULL) + (void) sm_io_flush(CurEnv->e_xfp, SM_TIME_DEFAULT); + + return e; +} + +/* values for msg_timeout, see also IS_* below for usage (bit layout) */ +#define MSG_T_O 0x01 /* normal timeout */ +#define MSG_T_O_NOW 0x02 /* NOW timeout */ +#define MSG_NOT_BY 0x04 /* Deliver-By time exceeded, mode R */ +#define MSG_WARN 0x10 /* normal queue warning */ +#define MSG_WARN_BY 0x20 /* Deliver-By time exceeded, mode N */ + +#define IS_MSG_ERR(x) (((x) & 0x0f) != 0) /* return an error */ + +/* immediate return */ +#define IS_IMM_RET(x) (((x) & (MSG_T_O_NOW|MSG_NOT_BY)) != 0) +#define IS_MSG_WARN(x) (((x) & 0xf0) != 0) /* return a warning */ + +/* +** DROPENVELOPE -- deallocate an envelope. +** +** Parameters: +** e -- the envelope to deallocate. +** fulldrop -- if set, do return receipts. +** split -- if true, split by recipient if message is queued up +** +** Returns: +** none. +** +** Side Effects: +** housekeeping necessary to dispose of an envelope. +** Unlocks this queue file. +*/ + +void +dropenvelope(e, fulldrop, split) + register ENVELOPE *e; + bool fulldrop; + bool split; +{ + bool panic = false; + bool queueit = false; + int msg_timeout = 0; + bool failure_return = false; + bool delay_return = false; + bool success_return = false; + bool pmnotify = bitset(EF_PM_NOTIFY, e->e_flags); + bool done = false; + register ADDRESS *q; + char *id = e->e_id; + time_t now; + char buf[MAXLINE]; + + if (tTd(50, 1)) + { + sm_dprintf("dropenvelope %p: id=", e); + xputs(sm_debug_file(), e->e_id); + sm_dprintf(", flags="); + printenvflags(e); + if (tTd(50, 10)) + { + sm_dprintf("sendq="); + printaddr(sm_debug_file(), e->e_sendqueue, true); + } + } + + if (LogLevel > 84) + sm_syslog(LOG_DEBUG, id, + "dropenvelope, e_flags=0x%lx, OpMode=%c, pid=%d", + e->e_flags, OpMode, (int) CurrentPid); + + /* we must have an id to remove disk files */ + if (id == NULL) + return; + + /* if verify-only mode, we can skip most of this */ + if (OpMode == MD_VERIFY) + goto simpledrop; + + if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags)) + logsender(e, NULL); + e->e_flags &= ~EF_LOGSENDER; + + /* post statistics */ + poststats(StatFile); + + /* + ** Extract state information from dregs of send list. + */ + + now = curtime(); + if (now >= e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass]) + msg_timeout = MSG_T_O; + if (IS_DLVR_RETURN(e) && e->e_deliver_by > 0 && + now >= e->e_ctime + e->e_deliver_by && + !bitset(EF_RESPONSE, e->e_flags)) + { + msg_timeout = MSG_NOT_BY; + e->e_flags |= EF_FATALERRS|EF_CLRQUEUE; + } + else if (TimeOuts.to_q_return[e->e_timeoutclass] == NOW && + !bitset(EF_RESPONSE, e->e_flags)) + { + msg_timeout = MSG_T_O_NOW; + e->e_flags |= EF_FATALERRS|EF_CLRQUEUE; + } + + e->e_flags &= ~EF_QUEUERUN; + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_UNDELIVERED(q->q_state)) + queueit = true; + + /* see if a notification is needed */ + if (bitset(QPINGONFAILURE, q->q_flags) && + ((IS_MSG_ERR(msg_timeout) && + QS_IS_UNDELIVERED(q->q_state)) || + QS_IS_BADADDR(q->q_state) || + IS_IMM_RET(msg_timeout))) + { + failure_return = true; + if (!done && q->q_owner == NULL && + !emptyaddr(&e->e_from)) + { + (void) sendtolist(e->e_from.q_paddr, NULLADDR, + &e->e_errorqueue, 0, e); + done = true; + } + } + else if ((bitset(QPINGONSUCCESS, q->q_flags) && + ((QS_IS_SENT(q->q_state) && + bitnset(M_LOCALMAILER, q->q_mailer->m_flags)) || + bitset(QRELAYED|QEXPANDED|QDELIVERED, q->q_flags))) || + bitset(QBYTRACE, q->q_flags) || + bitset(QBYNRELAY, q->q_flags)) + { + success_return = true; + } + } + + if (e->e_class < 0) + e->e_flags |= EF_NO_BODY_RETN; + + /* + ** See if the message timed out. + */ + + if (!queueit) + /* EMPTY */ + /* nothing to do */ ; + else if (IS_MSG_ERR(msg_timeout)) + { + if (failure_return) + { + if (msg_timeout == MSG_NOT_BY) + { + (void) sm_snprintf(buf, sizeof buf, + "delivery time expired %lds", + e->e_deliver_by); + } + else + { + (void) sm_snprintf(buf, sizeof buf, + "Cannot send message for %s", + pintvl(TimeOuts.to_q_return[e->e_timeoutclass], + false)); + } + + /* don't free, allocated from e_rpool */ + e->e_message = sm_rpool_strdup_x(e->e_rpool, buf); + message(buf); + e->e_flags |= EF_CLRQUEUE; + } + if (msg_timeout == MSG_NOT_BY) + { + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Delivery time (%lds) expired\n", + e->e_deliver_by); + } + else + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Message could not be delivered for %s\n", + pintvl(TimeOuts.to_q_return[e->e_timeoutclass], + false)); + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Message will be deleted from queue\n"); + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_UNDELIVERED(q->q_state)) + { + q->q_state = QS_BADADDR; + if (msg_timeout == MSG_NOT_BY) + q->q_status = "5.4.7"; + else + q->q_status = "4.4.7"; + } + } + } + else + { + if (TimeOuts.to_q_warning[e->e_timeoutclass] > 0 && + now >= e->e_ctime + + TimeOuts.to_q_warning[e->e_timeoutclass]) + msg_timeout = MSG_WARN; + else if (IS_DLVR_NOTIFY(e) && + e->e_deliver_by > 0 && + now >= e->e_ctime + e->e_deliver_by) + msg_timeout = MSG_WARN_BY; + + if (IS_MSG_WARN(msg_timeout)) + { + if (!bitset(EF_WARNING|EF_RESPONSE, e->e_flags) && + e->e_class >= 0 && + e->e_from.q_paddr != NULL && + strcmp(e->e_from.q_paddr, "<>") != 0 && + sm_strncasecmp(e->e_from.q_paddr, "owner-", 6) != 0 && + (strlen(e->e_from.q_paddr) <= 8 || + sm_strcasecmp(&e->e_from.q_paddr[strlen(e->e_from.q_paddr) - 8], + "-request") != 0)) + { + for (q = e->e_sendqueue; q != NULL; + q = q->q_next) + { + if (QS_IS_UNDELIVERED(q->q_state) +#if _FFR_NODELAYDSN_ON_HOLD + && !bitnset(M_HOLD, + q->q_mailer->m_flags) +#endif /* _FFR_NODELAYDSN_ON_HOLD */ + ) + { + if (msg_timeout == + MSG_WARN_BY && + (bitset(QPINGONDELAY, + q->q_flags) || + !bitset(QHASNOTIFY, + q->q_flags)) + ) + { + q->q_flags |= QBYNDELAY; + delay_return = true; + } + if (bitset(QPINGONDELAY, + q->q_flags)) + { + q->q_flags |= QDELAYED; + delay_return = true; + } + } + } + } + if (delay_return) + { + if (msg_timeout == MSG_WARN_BY) + { + (void) sm_snprintf(buf, sizeof buf, + "Warning: Delivery time (%lds) exceeded", + e->e_deliver_by); + } + else + (void) sm_snprintf(buf, sizeof buf, + "Warning: could not send message for past %s", + pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], + false)); + + /* don't free, allocated from e_rpool */ + e->e_message = sm_rpool_strdup_x(e->e_rpool, + buf); + message(buf); + e->e_flags |= EF_WARNING; + } + if (msg_timeout == MSG_WARN_BY) + { + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Warning: Delivery time (%lds) exceeded\n", + e->e_deliver_by); + } + else + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Warning: message still undelivered after %s\n", + pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], + false)); + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Will keep trying until message is %s old\n", + pintvl(TimeOuts.to_q_return[e->e_timeoutclass], + false)); + } + } + + if (tTd(50, 2)) + sm_dprintf("failure_return=%d delay_return=%d success_return=%d queueit=%d\n", + failure_return, delay_return, success_return, queueit); + + /* + ** If we had some fatal error, but no addresses are marked as + ** bad, mark them _all_ as bad. + */ + + if (bitset(EF_FATALERRS, e->e_flags) && !failure_return) + { + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if ((QS_IS_OK(q->q_state) || + QS_IS_VERIFIED(q->q_state)) && + bitset(QPINGONFAILURE, q->q_flags)) + { + failure_return = true; + q->q_state = QS_BADADDR; + } + } + } + + /* + ** Send back return receipts as requested. + */ + + if (success_return && !failure_return && !delay_return && fulldrop && + !bitset(PRIV_NORECEIPTS, PrivacyFlags) && + strcmp(e->e_from.q_paddr, "<>") != 0) + { + auto ADDRESS *rlist = NULL; + + if (tTd(50, 8)) + sm_dprintf("dropenvelope(%s): sending return receipt\n", + id); + e->e_flags |= EF_SENDRECEIPT; + (void) sendtolist(e->e_from.q_paddr, NULLADDR, &rlist, 0, e); + (void) returntosender("Return receipt", rlist, RTSF_NO_BODY, e); + } + e->e_flags &= ~EF_SENDRECEIPT; + + /* + ** Arrange to send error messages if there are fatal errors. + */ + + if ((failure_return || delay_return) && e->e_errormode != EM_QUIET) + { + if (tTd(50, 8)) + sm_dprintf("dropenvelope(%s): saving mail\n", id); + panic = savemail(e, !bitset(EF_NO_BODY_RETN, e->e_flags)); + } + + /* + ** Arrange to send warning messages to postmaster as requested. + */ + + if ((failure_return || pmnotify) && + PostMasterCopy != NULL && + !bitset(EF_RESPONSE, e->e_flags) && + e->e_class >= 0) + { + auto ADDRESS *rlist = NULL; + char pcopy[MAXNAME]; + + if (failure_return) + { + expand(PostMasterCopy, pcopy, sizeof pcopy, e); + + if (tTd(50, 8)) + sm_dprintf("dropenvelope(%s): sending postmaster copy to %s\n", + id, pcopy); + (void) sendtolist(pcopy, NULLADDR, &rlist, 0, e); + } + if (pmnotify) + (void) sendtolist("postmaster", NULLADDR, + &rlist, 0, e); + (void) returntosender(e->e_message, rlist, + RTSF_PM_BOUNCE|RTSF_NO_BODY, e); + } + + /* + ** Instantiate or deinstantiate the queue. + */ + +simpledrop: + if (tTd(50, 8)) + sm_dprintf("dropenvelope(%s): at simpledrop, queueit=%d\n", + id, queueit); + if (!queueit || bitset(EF_CLRQUEUE, e->e_flags)) + { + if (tTd(50, 1)) + { + sm_dprintf("\n===== Dropping queue files for %s... queueit=%d, e_flags=", + e->e_id, queueit); + printenvflags(e); + } + if (!panic) + (void) xunlink(queuename(e, DATAFL_LETTER)); + if (panic && QueueMode == QM_LOST) + { + /* + ** leave the Qf file behind as + ** the delivery attempt failed. + */ + + /* EMPTY */ + } + else + if (xunlink(queuename(e, ANYQFL_LETTER)) == 0) + { + /* add to available space in filesystem */ + updfs(e, -1, panic ? 0 : -1, "dropenvelope"); + } + + if (e->e_ntries > 0 && LogLevel > 9) + sm_syslog(LOG_INFO, id, "done; delay=%s, ntries=%d", + pintvl(curtime() - e->e_ctime, true), + e->e_ntries); + } + else if (queueit || !bitset(EF_INQUEUE, e->e_flags)) + { + if (!split) + queueup(e, false, true); + else + { + ENVELOPE *oldsib; + ENVELOPE *ee; + + /* + ** Save old sibling and set it to NULL to avoid + ** queueing up the same envelopes again. + ** This requires that envelopes in that list have + ** been take care of before (or at some other place). + */ + + oldsib = e->e_sibling; + e->e_sibling = NULL; + if (!split_by_recipient(e) && + bitset(EF_FATALERRS, e->e_flags)) + { + syserr("!dropenvelope(%s): cannot commit data file %s, uid=%d", + e->e_id, queuename(e, DATAFL_LETTER), + (int) geteuid()); + } + for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling) + queueup(ee, false, true); + queueup(e, false, true); + + /* clean up */ + for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling) + { + /* now unlock the job */ + if (tTd(50, 8)) + sm_dprintf("dropenvelope(%s): unlocking job\n", + ee->e_id); + closexscript(ee); + unlockqueue(ee); + + /* this envelope is marked unused */ + if (ee->e_dfp != NULL) + { + (void) sm_io_close(ee->e_dfp, + SM_TIME_DEFAULT); + ee->e_dfp = NULL; + } + ee->e_id = NULL; + ee->e_flags &= ~EF_HAS_DF; + } + e->e_sibling = oldsib; + } + } + + /* now unlock the job */ + if (tTd(50, 8)) + sm_dprintf("dropenvelope(%s): unlocking job\n", id); + closexscript(e); + unlockqueue(e); + + /* make sure that this envelope is marked unused */ + if (e->e_dfp != NULL) + { + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); + e->e_dfp = NULL; + } + e->e_id = NULL; + e->e_flags &= ~EF_HAS_DF; +} +/* +** CLEARENVELOPE -- clear an envelope without unlocking +** +** This is normally used by a child process to get a clean +** envelope without disturbing the parent. +** +** Parameters: +** e -- the envelope to clear. +** fullclear - if set, the current envelope is total +** garbage and should be ignored; otherwise, +** release any resources it may indicate. +** rpool -- either NULL, or a pointer to a resource pool +** from which envelope memory is allocated, and +** to which envelope resources are attached. +** +** Returns: +** none. +** +** Side Effects: +** Closes files associated with the envelope. +** Marks the envelope as unallocated. +*/ + +void +clearenvelope(e, fullclear, rpool) + register ENVELOPE *e; + bool fullclear; + SM_RPOOL_T *rpool; +{ + register HDR *bh; + register HDR **nhp; + extern ENVELOPE BlankEnvelope; + char **p; + + if (!fullclear) + { + /* clear out any file information */ + if (e->e_xfp != NULL) + (void) sm_io_close(e->e_xfp, SM_TIME_DEFAULT); + if (e->e_dfp != NULL) + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); + e->e_xfp = e->e_dfp = NULL; + } + + /* + ** Copy BlankEnvelope into *e. + ** It is not safe to simply copy pointers to strings; + ** the strings themselves must be copied (or set to NULL). + ** The problem is that when we assign a new string value to + ** a member of BlankEnvelope, we free the old string. + ** We did not need to do this copying in sendmail 8.11 :-( + ** and it is a potential performance hit. Reference counted + ** strings are one way out. + */ + + *e = BlankEnvelope; + e->e_message = NULL; + e->e_qfletter = '\0'; + e->e_quarmsg = NULL; + macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), ""); + + /* + ** Copy the macro table. + ** We might be able to avoid this by zeroing the macro table + ** and always searching BlankEnvelope.e_macro after e->e_macro + ** in macvalue(). + */ + + for (p = &e->e_macro.mac_table[0]; + p <= &e->e_macro.mac_table[MAXMACROID]; + ++p) + { + if (*p != NULL) + *p = sm_rpool_strdup_x(rpool, *p); + } + + /* + ** XXX There are many strings in the envelope structure + ** XXX that we are not attempting to copy here. + ** XXX Investigate this further. + */ + + e->e_rpool = rpool; + e->e_macro.mac_rpool = rpool; + if (Verbose) + set_delivery_mode(SM_DELIVER, e); + bh = BlankEnvelope.e_header; + nhp = &e->e_header; + while (bh != NULL) + { + *nhp = (HDR *) sm_rpool_malloc_x(rpool, sizeof *bh); + memmove((char *) *nhp, (char *) bh, sizeof *bh); + bh = bh->h_link; + nhp = &(*nhp)->h_link; + } +} +/* +** INITSYS -- initialize instantiation of system +** +** In Daemon mode, this is done in the child. +** +** Parameters: +** e -- the envelope to use. +** +** Returns: +** none. +** +** Side Effects: +** Initializes the system macros, some global variables, +** etc. In particular, the current time in various +** forms is set. +*/ + +void +initsys(e) + register ENVELOPE *e; +{ + char buf[10]; +#ifdef TTYNAME + static char ybuf[60]; /* holds tty id */ + register char *p; + extern char *ttyname(); +#endif /* TTYNAME */ + + /* + ** Give this envelope a reality. + ** I.e., an id, a transcript, and a creation time. + ** We don't select the queue until all of the recipients are known. + */ + + openxscript(e); + e->e_ctime = curtime(); + e->e_qfletter = '\0'; + + /* + ** Set OutChannel to something useful if stdout isn't it. + ** This arranges that any extra stuff the mailer produces + ** gets sent back to the user on error (because it is + ** tucked away in the transcript). + */ + + if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) && + e->e_xfp != NULL) + OutChannel = e->e_xfp; + + /* + ** Set up some basic system macros. + */ + + /* process id */ + (void) sm_snprintf(buf, sizeof buf, "%d", (int) CurrentPid); + macdefine(&e->e_macro, A_TEMP, 'p', buf); + + /* hop count */ + (void) sm_snprintf(buf, sizeof buf, "%d", e->e_hopcount); + macdefine(&e->e_macro, A_TEMP, 'c', buf); + + /* time as integer, unix time, arpa time */ + settime(e); + + /* Load average */ + sm_getla(); + +#ifdef TTYNAME + /* tty name */ + if (macvalue('y', e) == NULL) + { + p = ttyname(2); + if (p != NULL) + { + if (strrchr(p, '/') != NULL) + p = strrchr(p, '/') + 1; + (void) sm_strlcpy(ybuf, sizeof ybuf, p); + macdefine(&e->e_macro, A_PERM, 'y', ybuf); + } + } +#endif /* TTYNAME */ +} +/* +** SETTIME -- set the current time. +** +** Parameters: +** e -- the envelope in which the macros should be set. +** +** Returns: +** none. +** +** Side Effects: +** Sets the various time macros -- $a, $b, $d, $t. +*/ + +void +settime(e) + register ENVELOPE *e; +{ + register char *p; + auto time_t now; + char buf[30]; + register struct tm *tm; + + now = curtime(); + (void) sm_snprintf(buf, sizeof buf, "%ld", (long) now); + macdefine(&e->e_macro, A_TEMP, macid("{time}"), buf); + tm = gmtime(&now); + (void) sm_snprintf(buf, sizeof buf, "%04d%02d%02d%02d%02d", + tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, + tm->tm_hour, tm->tm_min); + macdefine(&e->e_macro, A_TEMP, 't', buf); + (void) sm_strlcpy(buf, ctime(&now), sizeof buf); + p = strchr(buf, '\n'); + if (p != NULL) + *p = '\0'; + macdefine(&e->e_macro, A_TEMP, 'd', buf); + macdefine(&e->e_macro, A_TEMP, 'b', arpadate(buf)); + if (macvalue('a', e) == NULL) + macdefine(&e->e_macro, A_PERM, 'a', macvalue('b', e)); +} +/* +** OPENXSCRIPT -- Open transcript file +** +** Creates a transcript file for possible eventual mailing or +** sending back. +** +** Parameters: +** e -- the envelope to create the transcript in/for. +** +** Returns: +** none +** +** Side Effects: +** Creates the transcript file. +*/ + +#ifndef O_APPEND +# define O_APPEND 0 +#endif /* ! O_APPEND */ + +void +openxscript(e) + register ENVELOPE *e; +{ + register char *p; + + if (e->e_xfp != NULL) + return; + +#if 0 + if (e->e_lockfp == NULL && bitset(EF_INQUEUE, e->e_flags)) + syserr("openxscript: job not locked"); +#endif /* 0 */ + + p = queuename(e, XSCRPT_LETTER); + e->e_xfp = bfopen(p, FileMode, XscriptFileBufferSize, + SFF_NOTEXCL|SFF_OPENASROOT); + + if (e->e_xfp == NULL) + { + syserr("Can't create transcript file %s", p); + e->e_xfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, + SM_PATH_DEVNULL, SM_IO_RDWR, NULL); + if (e->e_xfp == NULL) + syserr("!Can't open %s", SM_PATH_DEVNULL); + } + (void) sm_io_setvbuf(e->e_xfp, SM_TIME_DEFAULT, NULL, SM_IO_LBF, 0); + if (tTd(46, 9)) + { + sm_dprintf("openxscript(%s):\n ", p); + dumpfd(sm_io_getinfo(e->e_xfp, SM_IO_WHAT_FD, NULL), true, + false); + } +} +/* +** CLOSEXSCRIPT -- close the transcript file. +** +** Parameters: +** e -- the envelope containing the transcript to close. +** +** Returns: +** none. +** +** Side Effects: +** none. +*/ + +void +closexscript(e) + register ENVELOPE *e; +{ + if (e->e_xfp == NULL) + return; +#if 0 + if (e->e_lockfp == NULL) + syserr("closexscript: job not locked"); +#endif /* 0 */ + (void) sm_io_close(e->e_xfp, SM_TIME_DEFAULT); + e->e_xfp = NULL; +} +/* +** SETSENDER -- set the person who this message is from +** +** Under certain circumstances allow the user to say who +** s/he is (using -f or -r). These are: +** 1. The user's uid is zero (root). +** 2. The user's login name is in an approved list (typically +** from a network server). +** 3. The address the user is trying to claim has a +** "!" character in it (since #2 doesn't do it for +** us if we are dialing out for UUCP). +** A better check to replace #3 would be if the +** effective uid is "UUCP" -- this would require me +** to rewrite getpwent to "grab" uucp as it went by, +** make getname more nasty, do another passwd file +** scan, or compile the UID of "UUCP" into the code, +** all of which are reprehensible. +** +** Assuming all of these fail, we figure out something +** ourselves. +** +** Parameters: +** from -- the person we would like to believe this message +** is from, as specified on the command line. +** e -- the envelope in which we would like the sender set. +** delimptr -- if non-NULL, set to the location of the +** trailing delimiter. +** delimchar -- the character that will delimit the sender +** address. +** internal -- set if this address is coming from an internal +** source such as an owner alias. +** +** Returns: +** none. +** +** Side Effects: +** sets sendmail's notion of who the from person is. +*/ + +void +setsender(from, e, delimptr, delimchar, internal) + char *from; + register ENVELOPE *e; + char **delimptr; + int delimchar; + bool internal; +{ + register char **pvp; + char *realname = NULL; + char *bp; + char buf[MAXNAME + 2]; + char pvpbuf[PSBUFSIZE]; + extern char *FullName; + + if (tTd(45, 1)) + sm_dprintf("setsender(%s)\n", from == NULL ? "" : from); + + /* may be set from earlier calls */ + macdefine(&e->e_macro, A_PERM, 'x', ""); + + /* + ** Figure out the real user executing us. + ** Username can return errno != 0 on non-errors. + */ + + if (bitset(EF_QUEUERUN, e->e_flags) || OpMode == MD_SMTP || + OpMode == MD_ARPAFTP || OpMode == MD_DAEMON) + realname = from; + if (realname == NULL || realname[0] == '\0') + realname = username(); + + if (ConfigLevel < 2) + SuprErrs = true; + + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e s"); + + /* preset state for then clause in case from == NULL */ + e->e_from.q_state = QS_BADADDR; + e->e_from.q_flags = 0; + if (from == NULL || + parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR, + delimchar, delimptr, e, false) == NULL || + QS_IS_BADADDR(e->e_from.q_state) || + e->e_from.q_mailer == ProgMailer || + e->e_from.q_mailer == FileMailer || + e->e_from.q_mailer == InclMailer) + { + /* log garbage addresses for traceback */ + if (from != NULL && LogLevel > 2) + { + char *p; + char ebuf[MAXNAME * 2 + 2]; + + p = macvalue('_', e); + if (p == NULL) + { + char *host = RealHostName; + + if (host == NULL) + host = MyHostName; + (void) sm_snprintf(ebuf, sizeof ebuf, + "%.*s@%.*s", MAXNAME, + realname, MAXNAME, host); + p = ebuf; + } + sm_syslog(LOG_NOTICE, e->e_id, + "setsender: %s: invalid or unparsable, received from %s", + shortenstring(from, 83), p); + } + if (from != NULL) + { + if (!QS_IS_BADADDR(e->e_from.q_state)) + { + /* it was a bogus mailer in the from addr */ + e->e_status = "5.1.7"; + usrerrenh(e->e_status, + "553 Invalid sender address"); + } + SuprErrs = true; + } + if (from == realname || + parseaddr(from = realname, + &e->e_from, RF_COPYALL|RF_SENDERADDR, ' ', + NULL, e, false) == NULL) + { + char nbuf[100]; + + SuprErrs = true; + expand("\201n", nbuf, sizeof nbuf, e); + from = sm_rpool_strdup_x(e->e_rpool, nbuf); + if (parseaddr(from, &e->e_from, RF_COPYALL, ' ', + NULL, e, false) == NULL && + parseaddr(from = "postmaster", &e->e_from, + RF_COPYALL, ' ', NULL, e, false) == NULL) + syserr("553 5.3.0 setsender: can't even parse postmaster!"); + } + } + else + FromFlag = true; + e->e_from.q_state = QS_SENDER; + if (tTd(45, 5)) + { + sm_dprintf("setsender: QS_SENDER "); + printaddr(sm_debug_file(), &e->e_from, false); + } + SuprErrs = false; + +#if USERDB + if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags)) + { + register char *p; + + p = udbsender(e->e_from.q_user, e->e_rpool); + if (p != NULL) + from = p; + } +#endif /* USERDB */ + + if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) + { + SM_MBDB_T user; + + if (!internal) + { + /* if the user already given fullname don't redefine */ + if (FullName == NULL) + FullName = macvalue('x', e); + if (FullName != NULL) + { + if (FullName[0] == '\0') + FullName = NULL; + else + FullName = newstr(FullName); + } + } + + if (e->e_from.q_user[0] != '\0' && + sm_mbdb_lookup(e->e_from.q_user, &user) == EX_OK) + { + /* + ** Process passwd file entry. + */ + + /* extract home directory */ + if (*user.mbdb_homedir == '\0') + e->e_from.q_home = NULL; + else if (strcmp(user.mbdb_homedir, "/") == 0) + e->e_from.q_home = ""; + else + e->e_from.q_home = sm_rpool_strdup_x(e->e_rpool, + user.mbdb_homedir); + macdefine(&e->e_macro, A_PERM, 'z', e->e_from.q_home); + + /* extract user and group id */ + if (user.mbdb_uid != SM_NO_UID) + { + e->e_from.q_uid = user.mbdb_uid; + e->e_from.q_gid = user.mbdb_gid; + e->e_from.q_flags |= QGOODUID; + } + + /* extract full name from passwd file */ + if (FullName == NULL && !internal && + user.mbdb_fullname[0] != '\0' && + strcmp(user.mbdb_name, e->e_from.q_user) == 0) + { + FullName = newstr(user.mbdb_fullname); + } + } + else + { + e->e_from.q_home = NULL; + } + if (FullName != NULL && !internal) + macdefine(&e->e_macro, A_TEMP, 'x', FullName); + } + else if (!internal && OpMode != MD_DAEMON && OpMode != MD_SMTP) + { + if (e->e_from.q_home == NULL) + { + e->e_from.q_home = getenv("HOME"); + if (e->e_from.q_home != NULL) + { + if (*e->e_from.q_home == '\0') + e->e_from.q_home = NULL; + else if (strcmp(e->e_from.q_home, "/") == 0) + e->e_from.q_home++; + } + } + e->e_from.q_uid = RealUid; + e->e_from.q_gid = RealGid; + e->e_from.q_flags |= QGOODUID; + } + + /* + ** Rewrite the from person to dispose of possible implicit + ** links in the net. + */ + + pvp = prescan(from, delimchar, pvpbuf, sizeof pvpbuf, NULL, NULL, false); + if (pvp == NULL) + { + /* don't need to give error -- prescan did that already */ + if (LogLevel > 2) + sm_syslog(LOG_NOTICE, e->e_id, + "cannot prescan from (%s)", + shortenstring(from, MAXSHORTSTR)); + finis(true, true, ExitStat); + } + (void) REWRITE(pvp, 3, e); + (void) REWRITE(pvp, 1, e); + (void) REWRITE(pvp, 4, e); + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL); + bp = buf + 1; + cataddr(pvp, NULL, bp, sizeof buf - 2, '\0'); + if (*bp == '@' && !bitnset(M_NOBRACKET, e->e_from.q_mailer->m_flags)) + { + /* heuristic: route-addr: add angle brackets */ + (void) sm_strlcat(bp, ">", sizeof buf - 1); + *--bp = '<'; + } + e->e_sender = sm_rpool_strdup_x(e->e_rpool, bp); + macdefine(&e->e_macro, A_PERM, 'f', e->e_sender); + + /* save the domain spec if this mailer wants it */ + if (e->e_from.q_mailer != NULL && + bitnset(M_CANONICAL, e->e_from.q_mailer->m_flags)) + { + char **lastat; + + /* get rid of any pesky angle brackets */ + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e s"); + (void) REWRITE(pvp, 3, e); + (void) REWRITE(pvp, 1, e); + (void) REWRITE(pvp, 4, e); + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL); + + /* strip off to the last "@" sign */ + for (lastat = NULL; *pvp != NULL; pvp++) + { + if (strcmp(*pvp, "@") == 0) + lastat = pvp; + } + if (lastat != NULL) + { + e->e_fromdomain = copyplist(lastat, true, e->e_rpool); + if (tTd(45, 3)) + { + sm_dprintf("Saving from domain: "); + printav(sm_debug_file(), e->e_fromdomain); + } + } + } +} +/* +** PRINTENVFLAGS -- print envelope flags for debugging +** +** Parameters: +** e -- the envelope with the flags to be printed. +** +** Returns: +** none. +*/ + +struct eflags +{ + char *ef_name; + unsigned long ef_bit; +}; + +static struct eflags EnvelopeFlags[] = +{ + { "OLDSTYLE", EF_OLDSTYLE }, + { "INQUEUE", EF_INQUEUE }, + { "NO_BODY_RETN", EF_NO_BODY_RETN }, + { "CLRQUEUE", EF_CLRQUEUE }, + { "SENDRECEIPT", EF_SENDRECEIPT }, + { "FATALERRS", EF_FATALERRS }, + { "DELETE_BCC", EF_DELETE_BCC }, + { "RESPONSE", EF_RESPONSE }, + { "RESENT", EF_RESENT }, + { "VRFYONLY", EF_VRFYONLY }, + { "WARNING", EF_WARNING }, + { "QUEUERUN", EF_QUEUERUN }, + { "GLOBALERRS", EF_GLOBALERRS }, + { "PM_NOTIFY", EF_PM_NOTIFY }, + { "METOO", EF_METOO }, + { "LOGSENDER", EF_LOGSENDER }, + { "NORECEIPT", EF_NORECEIPT }, + { "HAS8BIT", EF_HAS8BIT }, + { "NL_NOT_EOL", EF_NL_NOT_EOL }, + { "CRLF_NOT_EOL", EF_CRLF_NOT_EOL }, + { "RET_PARAM", EF_RET_PARAM }, + { "HAS_DF", EF_HAS_DF }, + { "IS_MIME", EF_IS_MIME }, + { "DONT_MIME", EF_DONT_MIME }, + { "DISCARD", EF_DISCARD }, + { "TOOBIG", EF_TOOBIG }, + { "SPLIT", EF_SPLIT }, + { "UNSAFE", EF_UNSAFE }, + { NULL, 0 } +}; + +void +printenvflags(e) + register ENVELOPE *e; +{ + register struct eflags *ef; + bool first = true; + + sm_dprintf("%lx", e->e_flags); + for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++) + { + if (!bitset(ef->ef_bit, e->e_flags)) + continue; + if (first) + sm_dprintf("<%s", ef->ef_name); + else + sm_dprintf(",%s", ef->ef_name); + first = false; + } + if (!first) + sm_dprintf(">\n"); +} diff --git a/contrib/sendmail-8.13.4/sendmail/err.c b/contrib/sendmail-8.13.4/sendmail/err.c new file mode 100644 index 0000000000..5a0b5b1dfb --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/err.c @@ -0,0 +1,1161 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: err.c,v 8.191 2003/01/10 02:16:46 ca Exp $") + +#if LDAPMAP +# include +# include /* for LDAP error codes */ +#endif /* LDAPMAP */ + +static void putoutmsg __P((char *, bool, bool)); +static void puterrmsg __P((char *)); +static char *fmtmsg __P((char *, const char *, const char *, const char *, + int, const char *, va_list)); + +/* +** FATAL_ERROR -- handle a fatal exception +** +** This function is installed as the default exception handler +** in the main sendmail process, and in all child processes +** that we create. Its job is to handle exceptions that are not +** handled at a lower level. +** +** The theory is that unhandled exceptions will be 'fatal' class +** exceptions (with an "F:" prefix), such as the out-of-memory +** exception "F:sm.heap". As such, they are handled by exiting +** the process in exactly the same way that xalloc() in Sendmail 8.10 +** exits the process when it fails due to lack of memory: +** we call syserr with a message beginning with "!". +** +** Parameters: +** exc -- exception which is terminating this process +** +** Returns: +** none +*/ + +void +fatal_error(exc) + SM_EXC_T *exc; +{ + static char buf[256]; + SM_FILE_T f; + + /* + ** This function may be called when the heap is exhausted. + ** The following code writes the message for 'exc' into our + ** static buffer without allocating memory or raising exceptions. + */ + + sm_strio_init(&f, buf, sizeof(buf)); + sm_exc_write(exc, &f); + (void) sm_io_flush(&f, SM_TIME_DEFAULT); + + /* + ** Terminate the process after logging an error and cleaning up. + ** Problems: + ** - syserr decides what class of error this is by looking at errno. + ** That's no good; we should look at the exc structure. + ** - The cleanup code should be moved out of syserr + ** and into individual exception handlers + ** that are part of the module they clean up after. + */ + + errno = ENOMEM; + syserr("!%s", buf); +} + +/* +** SYSERR -- Print error message. +** +** Prints an error message via sm_io_printf to the diagnostic output. +** +** If the first character of the syserr message is `!' it will +** log this as an ALERT message and exit immediately. This can +** leave queue files in an indeterminate state, so it should not +** be used lightly. +** +** If the first character of the syserr message is '!' or '@' +** then syserr knows that the process is about to be terminated, +** so the SMTP reply code defaults to 421. Otherwise, the +** reply code defaults to 451 or 554, depending on errno. +** +** Parameters: +** fmt -- the format string. An optional '!' or '@', +** followed by an optional three-digit SMTP +** reply code, followed by message text. +** (others) -- parameters +** +** Returns: +** none +** Raises E:mta.quickabort if QuickAbort is set. +** +** Side Effects: +** increments Errors. +** sets ExitStat. +*/ + +char MsgBuf[BUFSIZ*2]; /* text of most recent message */ +static char HeldMessageBuf[sizeof MsgBuf]; /* for held messages */ + +#if NAMED_BIND && !defined(NO_DATA) +# define NO_DATA NO_ADDRESS +#endif /* NAMED_BIND && !defined(NO_DATA) */ + +void +/*VARARGS1*/ +#ifdef __STDC__ +syserr(const char *fmt, ...) +#else /* __STDC__ */ +syserr(fmt, va_alist) + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + register char *p; + int save_errno = errno; + bool panic; + bool exiting; + char *user; + char *enhsc; + char *errtxt; + struct passwd *pw; + char ubuf[80]; + SM_VA_LOCAL_DECL + + switch (*fmt) + { + case '!': + ++fmt; + panic = true; + exiting = true; + break; + case '@': + ++fmt; + panic = false; + exiting = true; + break; + default: + panic = false; + exiting = false; + break; + } + + /* format and output the error message */ + if (exiting) + { + /* + ** Since we are terminating the process, + ** we are aborting the entire SMTP session, + ** rather than just the current transaction. + */ + + p = "421"; + enhsc = "4.0.0"; + } + else if (save_errno == 0) + { + p = "554"; + enhsc = "5.0.0"; + } + else + { + p = "451"; + enhsc = "4.0.0"; + } + SM_VA_START(ap, fmt); + errtxt = fmtmsg(MsgBuf, (char *) NULL, p, enhsc, save_errno, fmt, ap); + SM_VA_END(ap); + puterrmsg(MsgBuf); + + /* save this message for mailq printing */ + if (!panic && CurEnv != NULL) + { + char *nmsg = sm_rpool_strdup_x(CurEnv->e_rpool, errtxt); + + if (CurEnv->e_rpool == NULL && CurEnv->e_message != NULL) + sm_free(CurEnv->e_message); + CurEnv->e_message = nmsg; + } + + /* determine exit status if not already set */ + if (ExitStat == EX_OK) + { + if (save_errno == 0) + ExitStat = EX_SOFTWARE; + else + ExitStat = EX_OSERR; + if (tTd(54, 1)) + sm_dprintf("syserr: ExitStat = %d\n", ExitStat); + } + + pw = sm_getpwuid(RealUid); + if (pw != NULL) + user = pw->pw_name; + else + { + user = ubuf; + (void) sm_snprintf(ubuf, sizeof ubuf, "UID%d", (int) RealUid); + } + + if (LogLevel > 0) + sm_syslog(panic ? LOG_ALERT : LOG_CRIT, + CurEnv == NULL ? NOQID : CurEnv->e_id, + "SYSERR(%s): %.900s", + user, errtxt); + switch (save_errno) + { + case EBADF: + case ENFILE: + case EMFILE: + case ENOTTY: +#ifdef EFBIG + case EFBIG: +#endif /* EFBIG */ +#ifdef ESPIPE + case ESPIPE: +#endif /* ESPIPE */ +#ifdef EPIPE + case EPIPE: +#endif /* EPIPE */ +#ifdef ENOBUFS + case ENOBUFS: +#endif /* ENOBUFS */ +#ifdef ESTALE + case ESTALE: +#endif /* ESTALE */ + printopenfds(true); + mci_dump_all(smioout, true); + break; + } + if (panic) + { +#if XLA + xla_all_end(); +#endif /* XLA */ + sync_queue_time(); + if (tTd(0, 1)) + abort(); + exit(EX_OSERR); + } + errno = 0; + if (QuickAbort) + sm_exc_raisenew_x(&EtypeQuickAbort, 2); +} +/* +** USRERR -- Signal user error. +** +** This is much like syserr except it is for user errors. +** +** Parameters: +** fmt -- the format string. If it does not begin with +** a three-digit SMTP reply code, 550 is assumed. +** (others) -- sm_io_printf strings +** +** Returns: +** none +** Raises E:mta.quickabort if QuickAbort is set. +** +** Side Effects: +** increments Errors. +*/ + +/*VARARGS1*/ +void +#ifdef __STDC__ +usrerr(const char *fmt, ...) +#else /* __STDC__ */ +usrerr(fmt, va_alist) + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + char *enhsc; + char *errtxt; + SM_VA_LOCAL_DECL + + if (fmt[0] == '5' || fmt[0] == '6') + enhsc = "5.0.0"; + else if (fmt[0] == '4' || fmt[0] == '8') + enhsc = "4.0.0"; + else if (fmt[0] == '2') + enhsc = "2.0.0"; + else + enhsc = NULL; + SM_VA_START(ap, fmt); + errtxt = fmtmsg(MsgBuf, CurEnv->e_to, "550", enhsc, 0, fmt, ap); + SM_VA_END(ap); + + if (SuprErrs) + return; + + /* save this message for mailq printing */ + switch (MsgBuf[0]) + { + case '4': + case '8': + if (CurEnv->e_message != NULL) + break; + + /* FALLTHROUGH */ + + case '5': + case '6': + if (CurEnv->e_rpool == NULL && CurEnv->e_message != NULL) + sm_free(CurEnv->e_message); + if (MsgBuf[0] == '6') + { + char buf[MAXLINE]; + + (void) sm_snprintf(buf, sizeof buf, + "Postmaster warning: %.*s", + (int) sizeof buf - 22, errtxt); + CurEnv->e_message = + sm_rpool_strdup_x(CurEnv->e_rpool, buf); + } + else + { + CurEnv->e_message = + sm_rpool_strdup_x(CurEnv->e_rpool, errtxt); + } + break; + } + + puterrmsg(MsgBuf); + if (LogLevel > 3 && LogUsrErrs) + sm_syslog(LOG_NOTICE, CurEnv->e_id, "%.900s", errtxt); + if (QuickAbort) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); +} +/* +** USRERRENH -- Signal user error. +** +** Same as usrerr but with enhanced status code. +** +** Parameters: +** enhsc -- the enhanced status code. +** fmt -- the format string. If it does not begin with +** a three-digit SMTP reply code, 550 is assumed. +** (others) -- sm_io_printf strings +** +** Returns: +** none +** Raises E:mta.quickabort if QuickAbort is set. +** +** Side Effects: +** increments Errors. +*/ + +/*VARARGS1*/ +void +#ifdef __STDC__ +usrerrenh(char *enhsc, const char *fmt, ...) +#else /* __STDC__ */ +usrerrenh(enhsc, fmt, va_alist) + char *enhsc; + const char *fmt; + va_dcl +#endif /* __STDC__ */ +{ + char *errtxt; + SM_VA_LOCAL_DECL + + if (enhsc == NULL || *enhsc == '\0') + { + if (fmt[0] == '5' || fmt[0] == '6') + enhsc = "5.0.0"; + else if (fmt[0] == '4' || fmt[0] == '8') + enhsc = "4.0.0"; + else if (fmt[0] == '2') + enhsc = "2.0.0"; + } + SM_VA_START(ap, fmt); + errtxt = fmtmsg(MsgBuf, CurEnv->e_to, "550", enhsc, 0, fmt, ap); + SM_VA_END(ap); + + if (SuprErrs) + return; + + /* save this message for mailq printing */ + switch (MsgBuf[0]) + { + case '4': + case '8': + if (CurEnv->e_message != NULL) + break; + + /* FALLTHROUGH */ + + case '5': + case '6': + if (CurEnv->e_rpool == NULL && CurEnv->e_message != NULL) + sm_free(CurEnv->e_message); + if (MsgBuf[0] == '6') + { + char buf[MAXLINE]; + + (void) sm_snprintf(buf, sizeof buf, + "Postmaster warning: %.*s", + (int) sizeof buf - 22, errtxt); + CurEnv->e_message = + sm_rpool_strdup_x(CurEnv->e_rpool, buf); + } + else + { + CurEnv->e_message = + sm_rpool_strdup_x(CurEnv->e_rpool, errtxt); + } + break; + } + + puterrmsg(MsgBuf); + if (LogLevel > 3 && LogUsrErrs) + sm_syslog(LOG_NOTICE, CurEnv->e_id, "%.900s", errtxt); + if (QuickAbort) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); +} +/* +** MESSAGE -- print message (not necessarily an error) +** +** Parameters: +** msg -- the message (sm_io_printf fmt) -- it can begin with +** an SMTP reply code. If not, 050 is assumed. +** (others) -- sm_io_printf arguments +** +** Returns: +** none +** +** Side Effects: +** none. +*/ + +/*VARARGS1*/ +void +#ifdef __STDC__ +message(const char *msg, ...) +#else /* __STDC__ */ +message(msg, va_alist) + const char *msg; + va_dcl +#endif /* __STDC__ */ +{ + char *errtxt; + SM_VA_LOCAL_DECL + + errno = 0; + SM_VA_START(ap, msg); + errtxt = fmtmsg(MsgBuf, CurEnv->e_to, "050", (char *) NULL, 0, msg, ap); + SM_VA_END(ap); + putoutmsg(MsgBuf, false, false); + + /* save this message for mailq printing */ + switch (MsgBuf[0]) + { + case '4': + case '8': + if (CurEnv->e_message != NULL) + break; + /* FALLTHROUGH */ + + case '5': + if (CurEnv->e_rpool == NULL && CurEnv->e_message != NULL) + sm_free(CurEnv->e_message); + CurEnv->e_message = + sm_rpool_strdup_x(CurEnv->e_rpool, errtxt); + break; + } +} +/* +** NMESSAGE -- print message (not necessarily an error) +** +** Just like "message" except it never puts the to... tag on. +** +** Parameters: +** msg -- the message (sm_io_printf fmt) -- if it begins +** with a three digit SMTP reply code, that is used, +** otherwise 050 is assumed. +** (others) -- sm_io_printf arguments +** +** Returns: +** none +** +** Side Effects: +** none. +*/ + +/*VARARGS1*/ +void +#ifdef __STDC__ +nmessage(const char *msg, ...) +#else /* __STDC__ */ +nmessage(msg, va_alist) + const char *msg; + va_dcl +#endif /* __STDC__ */ +{ + char *errtxt; + SM_VA_LOCAL_DECL + + errno = 0; + SM_VA_START(ap, msg); + errtxt = fmtmsg(MsgBuf, (char *) NULL, "050", + (char *) NULL, 0, msg, ap); + SM_VA_END(ap); + putoutmsg(MsgBuf, false, false); + + /* save this message for mailq printing */ + switch (MsgBuf[0]) + { + case '4': + case '8': + if (CurEnv->e_message != NULL) + break; + /* FALLTHROUGH */ + + case '5': + if (CurEnv->e_rpool == NULL && CurEnv->e_message != NULL) + sm_free(CurEnv->e_message); + CurEnv->e_message = + sm_rpool_strdup_x(CurEnv->e_rpool, errtxt); + break; + } +} +/* +** PUTOUTMSG -- output error message to transcript and channel +** +** Parameters: +** msg -- message to output (in SMTP format). +** holdmsg -- if true, don't output a copy of the message to +** our output channel. +** heldmsg -- if true, this is a previously held message; +** don't log it to the transcript file. +** +** Returns: +** none. +** +** Side Effects: +** Outputs msg to the transcript. +** If appropriate, outputs it to the channel. +** Deletes SMTP reply code number as appropriate. +*/ + +static void +putoutmsg(msg, holdmsg, heldmsg) + char *msg; + bool holdmsg; + bool heldmsg; +{ + char *errtxt = msg; + char msgcode = msg[0]; + + /* display for debugging */ + if (tTd(54, 8)) + sm_dprintf("--- %s%s%s\n", msg, holdmsg ? " (hold)" : "", + heldmsg ? " (held)" : ""); + + /* map warnings to something SMTP can handle */ + if (msgcode == '6') + msg[0] = '5'; + else if (msgcode == '8') + msg[0] = '4'; + + /* output to transcript if serious */ + if (!heldmsg && CurEnv != NULL && CurEnv->e_xfp != NULL && + strchr("45", msg[0]) != NULL) + (void) sm_io_fprintf(CurEnv->e_xfp, SM_TIME_DEFAULT, "%s\n", + msg); + + if (LogLevel > 14 && (OpMode == MD_SMTP || OpMode == MD_DAEMON)) + sm_syslog(LOG_INFO, CurEnv->e_id, + "--- %s%s%s", msg, holdmsg ? " (hold)" : "", + heldmsg ? " (held)" : ""); + + if (msgcode == '8') + msg[0] = '0'; + + /* output to channel if appropriate */ + if (!Verbose && msg[0] == '0') + return; + if (holdmsg) + { + /* save for possible future display */ + msg[0] = msgcode; + if (HeldMessageBuf[0] == '5' && msgcode == '4') + return; + (void) sm_strlcpy(HeldMessageBuf, msg, sizeof HeldMessageBuf); + return; + } + + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + + if (OutChannel == NULL) + return; + + /* find actual text of error (after SMTP status codes) */ + if (ISSMTPREPLY(errtxt)) + { + int l; + + errtxt += 4; + l = isenhsc(errtxt, ' '); + if (l <= 0) + l = isenhsc(errtxt, '\0'); + if (l > 0) + errtxt += l + 1; + } + + /* if DisConnected, OutChannel now points to the transcript */ + if (!DisConnected && + (OpMode == MD_SMTP || OpMode == MD_DAEMON || OpMode == MD_ARPAFTP)) + (void) sm_io_fprintf(OutChannel, SM_TIME_DEFAULT, "%s\r\n", + msg); + else + (void) sm_io_fprintf(OutChannel, SM_TIME_DEFAULT, "%s\n", + errtxt); + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d >>> %s\n", (int) CurrentPid, + (OpMode == MD_SMTP || OpMode == MD_DAEMON) + ? msg : errtxt); +#if !PIPELINING + /* XXX can't flush here for SMTP pipelining */ + if (msg[3] == ' ') + (void) sm_io_flush(OutChannel, SM_TIME_DEFAULT); + if (!sm_io_error(OutChannel) || DisConnected) + return; + + /* + ** Error on output -- if reporting lost channel, just ignore it. + ** Also, ignore errors from QUIT response (221 message) -- some + ** rude servers don't read result. + */ + + if (InChannel == NULL || sm_io_eof(InChannel) || + sm_io_error(InChannel) || strncmp(msg, "221", 3) == 0) + return; + + /* can't call syserr, 'cause we are using MsgBuf */ + HoldErrs = true; + if (LogLevel > 0) + sm_syslog(LOG_CRIT, CurEnv->e_id, + "SYSERR: putoutmsg (%s): error on output channel sending \"%s\": %s", + CURHOSTNAME, + shortenstring(msg, MAXSHORTSTR), sm_errstring(errno)); +#endif /* !PIPELINING */ +} +/* +** PUTERRMSG -- like putoutmsg, but does special processing for error messages +** +** Parameters: +** msg -- the message to output. +** +** Returns: +** none. +** +** Side Effects: +** Sets the fatal error bit in the envelope as appropriate. +*/ + +static void +puterrmsg(msg) + char *msg; +{ + char msgcode = msg[0]; + + /* output the message as usual */ + putoutmsg(msg, HoldErrs, false); + + /* be careful about multiple error messages */ + if (OnlyOneError) + HoldErrs = true; + + /* signal the error */ + Errors++; + + if (CurEnv == NULL) + return; + + if (msgcode == '6') + { + /* notify the postmaster */ + CurEnv->e_flags |= EF_PM_NOTIFY; + } + else if (msgcode == '5' && bitset(EF_GLOBALERRS, CurEnv->e_flags)) + { + /* mark long-term fatal errors */ + CurEnv->e_flags |= EF_FATALERRS; + } +} +/* +** ISENHSC -- check whether a string contains an enhanced status code +** +** Parameters: +** s -- string with possible enhanced status code. +** delim -- delim for enhanced status code. +** +** Returns: +** 0 -- no enhanced status code. +** >4 -- length of enhanced status code. +** +** Side Effects: +** none. +*/ +int +isenhsc(s, delim) + const char *s; + int delim; +{ + int l, h; + + if (s == NULL) + return 0; + if (!((*s == '2' || *s == '4' || *s == '5') && s[1] == '.')) + return 0; + h = 0; + l = 2; + while (h < 3 && isascii(s[l + h]) && isdigit(s[l + h])) + ++h; + if (h == 0 || s[l + h] != '.') + return 0; + l += h + 1; + h = 0; + while (h < 3 && isascii(s[l + h]) && isdigit(s[l + h])) + ++h; + if (h == 0 || s[l + h] != delim) + return 0; + return l + h; +} +/* +** EXTENHSC -- check and extract an enhanced status code +** +** Parameters: +** s -- string with possible enhanced status code. +** delim -- delim for enhanced status code. +** e -- pointer to storage for enhanced status code. +** must be != NULL and have space for at least +** 10 characters ([245].[0-9]{1,3}.[0-9]{1,3}) +** +** Returns: +** 0 -- no enhanced status code. +** >4 -- length of enhanced status code. +** +** Side Effects: +** fills e with enhanced status code. +*/ + +int +extenhsc(s, delim, e) + const char *s; + int delim; + char *e; +{ + int l, h; + + if (s == NULL) + return 0; + if (!((*s == '2' || *s == '4' || *s == '5') && s[1] == '.')) + return 0; + h = 0; + l = 2; + e[0] = s[0]; + e[1] = '.'; + while (h < 3 && isascii(s[l + h]) && isdigit(s[l + h])) + { + e[l + h] = s[l + h]; + ++h; + } + if (h == 0 || s[l + h] != '.') + return 0; + e[l + h] = '.'; + l += h + 1; + h = 0; + while (h < 3 && isascii(s[l + h]) && isdigit(s[l + h])) + { + e[l + h] = s[l + h]; + ++h; + } + if (h == 0 || s[l + h] != delim) + return 0; + e[l + h] = '\0'; + return l + h; +} +/* +** FMTMSG -- format a message into buffer. +** +** Parameters: +** eb -- error buffer to get result -- MUST BE MsgBuf. +** to -- the recipient tag for this message. +** num -- default three digit SMTP reply code. +** enhsc -- enhanced status code. +** en -- the error number to display. +** fmt -- format of string. +** ap -- arguments for fmt. +** +** Returns: +** pointer to error text beyond status codes. +** +** Side Effects: +** none. +*/ + +static char * +fmtmsg(eb, to, num, enhsc, eno, fmt, ap) + register char *eb; + const char *to; + const char *num; + const char *enhsc; + int eno; + const char *fmt; + SM_VA_LOCAL_DECL +{ + char del; + int l; + int spaceleft = sizeof MsgBuf; + char *errtxt; + + /* output the reply code */ + if (ISSMTPCODE(fmt)) + { + num = fmt; + fmt += 4; + } + if (num[3] == '-') + del = '-'; + else + del = ' '; +#if _FFR_SOFT_BOUNCE + if (SoftBounce && num[0] == '5') + { + /* replace 5 by 4 */ + (void) sm_snprintf(eb, spaceleft, "4%2.2s%c", num + 1, del); + } + else +#endif /* _FFR_SOFT_BOUNCE */ + (void) sm_snprintf(eb, spaceleft, "%3.3s%c", num, del); + eb += 4; + spaceleft -= 4; + + if ((l = isenhsc(fmt, ' ' )) > 0 && l < spaceleft - 4) + { + /* copy enh.status code including trailing blank */ + l++; + (void) sm_strlcpy(eb, fmt, l + 1); + eb += l; + spaceleft -= l; + fmt += l; + } + else if ((l = isenhsc(enhsc, '\0')) > 0 && l < spaceleft - 4) + { + /* copy enh.status code */ + (void) sm_strlcpy(eb, enhsc, l + 1); + eb[l] = ' '; + eb[++l] = '\0'; + eb += l; + spaceleft -= l; + } +#if _FFR_SOFT_BOUNCE + if (SoftBounce && eb[-l] == '5') + { + /* replace 5 by 4 */ + eb[-l] = '4'; + } +#endif /* _FFR_SOFT_BOUNCE */ + errtxt = eb; + + /* output the file name and line number */ + if (FileName != NULL) + { + (void) sm_snprintf(eb, spaceleft, "%s: line %d: ", + shortenstring(FileName, 83), LineNumber); + eb += (l = strlen(eb)); + spaceleft -= l; + } + + /* + ** output the "to" address only if it is defined and one of the + ** following codes is used: + ** 050 internal notices, e.g., alias expansion + ** 250 Ok + ** 252 Cannot VRFY user, but will accept message and attempt delivery + ** 450 Requested mail action not taken: mailbox unavailable + ** 550 Requested action not taken: mailbox unavailable + ** 553 Requested action not taken: mailbox name not allowed + ** + ** Notice: this still isn't "the right thing", this code shouldn't + ** (indirectly) depend on CurEnv->e_to. + */ + + if (to != NULL && to[0] != '\0' && + (strncmp(num, "050", 3) == 0 || + strncmp(num, "250", 3) == 0 || + strncmp(num, "252", 3) == 0 || + strncmp(num, "450", 3) == 0 || + strncmp(num, "550", 3) == 0 || + strncmp(num, "553", 3) == 0)) + { + (void) sm_strlcpyn(eb, spaceleft, 2, + shortenstring(to, MAXSHORTSTR), "... "); + spaceleft -= strlen(eb); + while (*eb != '\0') + *eb++ &= 0177; + } + + /* output the message */ + (void) sm_vsnprintf(eb, spaceleft, fmt, ap); + spaceleft -= strlen(eb); + while (*eb != '\0') + *eb++ &= 0177; + + /* output the error code, if any */ + if (eno != 0) + (void) sm_strlcpyn(eb, spaceleft, 2, ": ", sm_errstring(eno)); + + return errtxt; +} +/* +** BUFFER_ERRORS -- arrange to buffer future error messages +** +** Parameters: +** none +** +** Returns: +** none. +*/ + +void +buffer_errors() +{ + HeldMessageBuf[0] = '\0'; + HoldErrs = true; +} +/* +** FLUSH_ERRORS -- flush the held error message buffer +** +** Parameters: +** print -- if set, print the message, otherwise just +** delete it. +** +** Returns: +** none. +*/ + +void +flush_errors(print) + bool print; +{ + if (print && HeldMessageBuf[0] != '\0') + putoutmsg(HeldMessageBuf, false, true); + HeldMessageBuf[0] = '\0'; + HoldErrs = false; +} +/* +** SM_ERRSTRING -- return string description of error code +** +** Parameters: +** errnum -- the error number to translate +** +** Returns: +** A string description of errnum. +** +** Side Effects: +** none. +*/ + +const char * +sm_errstring(errnum) + int errnum; +{ + char *dnsmsg; + char *bp; + static char buf[MAXLINE]; +#if HASSTRERROR + char *err; + char errbuf[30]; +#endif /* HASSTRERROR */ +#if !HASSTRERROR && !defined(ERRLIST_PREDEFINED) + extern char *sys_errlist[]; + extern int sys_nerr; +#endif /* !HASSTRERROR && !defined(ERRLIST_PREDEFINED) */ + + /* + ** Handle special network error codes. + ** + ** These are 4.2/4.3bsd specific; they should be in daemon.c. + */ + + dnsmsg = NULL; + switch (errnum) + { + case ETIMEDOUT: + case ECONNRESET: + bp = buf; +#if HASSTRERROR + err = strerror(errnum); + if (err == NULL) + { + (void) sm_snprintf(errbuf, sizeof errbuf, + "Error %d", errnum); + err = errbuf; + } + (void) sm_strlcpy(bp, err, SPACELEFT(buf, bp)); +#else /* HASSTRERROR */ + if (errnum >= 0 && errnum < sys_nerr) + (void) sm_strlcpy(bp, sys_errlist[errnum], + SPACELEFT(buf, bp)); + else + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + "Error %d", errnum); +#endif /* HASSTRERROR */ + bp += strlen(bp); + if (CurHostName != NULL) + { + if (errnum == ETIMEDOUT) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + " with "); + bp += strlen(bp); + } + else + { + bp = buf; + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + "Connection reset by "); + bp += strlen(bp); + } + (void) sm_strlcpy(bp, + shortenstring(CurHostName, MAXSHORTSTR), + SPACELEFT(buf, bp)); + bp += strlen(buf); + } + if (SmtpPhase != NULL) + { + (void) sm_snprintf(bp, SPACELEFT(buf, bp), + " during %s", SmtpPhase); + } + return buf; + + case EHOSTDOWN: + if (CurHostName == NULL) + break; + (void) sm_snprintf(buf, sizeof buf, "Host %s is down", + shortenstring(CurHostName, MAXSHORTSTR)); + return buf; + + case ECONNREFUSED: + if (CurHostName == NULL) + break; + (void) sm_strlcpyn(buf, sizeof buf, 2, "Connection refused by ", + shortenstring(CurHostName, MAXSHORTSTR)); + return buf; + +#if NAMED_BIND + case HOST_NOT_FOUND + E_DNSBASE: + dnsmsg = "host not found"; + break; + + case TRY_AGAIN + E_DNSBASE: + dnsmsg = "host name lookup failure"; + break; + + case NO_RECOVERY + E_DNSBASE: + dnsmsg = "non-recoverable error"; + break; + + case NO_DATA + E_DNSBASE: + dnsmsg = "no data known"; + break; +#endif /* NAMED_BIND */ + + case EPERM: + /* SunOS gives "Not owner" -- this is the POSIX message */ + return "Operation not permitted"; + + /* + ** Error messages used internally in sendmail. + */ + + case E_SM_OPENTIMEOUT: + return "Timeout on file open"; + + case E_SM_NOSLINK: + return "Symbolic links not allowed"; + + case E_SM_NOHLINK: + return "Hard links not allowed"; + + case E_SM_REGONLY: + return "Regular files only"; + + case E_SM_ISEXEC: + return "Executable files not allowed"; + + case E_SM_WWDIR: + return "World writable directory"; + + case E_SM_GWDIR: + return "Group writable directory"; + + case E_SM_FILECHANGE: + return "File changed after open"; + + case E_SM_WWFILE: + return "World writable file"; + + case E_SM_GWFILE: + return "Group writable file"; + + case E_SM_GRFILE: + return "Group readable file"; + + case E_SM_WRFILE: + return "World readable file"; + } + + if (dnsmsg != NULL) + { + bp = buf; + bp += sm_strlcpy(bp, "Name server: ", sizeof buf); + if (CurHostName != NULL) + { + (void) sm_strlcpyn(bp, SPACELEFT(buf, bp), 2, + shortenstring(CurHostName, MAXSHORTSTR), ": "); + bp += strlen(bp); + } + (void) sm_strlcpy(bp, dnsmsg, SPACELEFT(buf, bp)); + return buf; + } + +#if LDAPMAP + if (errnum >= E_LDAPBASE) + return ldap_err2string(errnum - E_LDAPBASE); +#endif /* LDAPMAP */ + +#if HASSTRERROR + err = strerror(errnum); + if (err == NULL) + { + (void) sm_snprintf(buf, sizeof buf, "Error %d", errnum); + return buf; + } + return err; +#else /* HASSTRERROR */ + if (errnum > 0 && errnum < sys_nerr) + return sys_errlist[errnum]; + + (void) sm_snprintf(buf, sizeof buf, "Error %d", errnum); + return buf; +#endif /* HASSTRERROR */ +} diff --git a/contrib/sendmail-8.13.4/sendmail/headers.c b/contrib/sendmail-8.13.4/sendmail/headers.c new file mode 100644 index 0000000000..892a2cf691 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/headers.c @@ -0,0 +1,2164 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: headers.c,v 8.287 2004/12/03 18:29:51 ca Exp $") + +static HDR *allocheader __P((char *, char *, int, SM_RPOOL_T *)); +static size_t fix_mime_header __P((HDR *, ENVELOPE *)); +static int priencode __P((char *)); +static void put_vanilla_header __P((HDR *, char *, MCI *)); + +/* +** SETUPHEADERS -- initialize headers in symbol table +** +** Parameters: +** none +** +** Returns: +** none +*/ + +void +setupheaders() +{ + struct hdrinfo *hi; + STAB *s; + + for (hi = HdrInfo; hi->hi_field != NULL; hi++) + { + s = stab(hi->hi_field, ST_HEADER, ST_ENTER); + s->s_header.hi_flags = hi->hi_flags; + s->s_header.hi_ruleset = NULL; + } +} +/* +** CHOMPHEADER -- process and save a header line. +** +** Called by collect, readcf, and readqf to deal with header lines. +** +** Parameters: +** line -- header as a text line. +** pflag -- flags for chompheader() (from sendmail.h) +** hdrp -- a pointer to the place to save the header. +** e -- the envelope including this header. +** +** Returns: +** flags for this header. +** +** Side Effects: +** The header is saved on the header list. +** Contents of 'line' are destroyed. +*/ + +static struct hdrinfo NormalHeader = { NULL, 0, NULL }; + +unsigned long +chompheader(line, pflag, hdrp, e) + char *line; + int pflag; + HDR **hdrp; + register ENVELOPE *e; +{ + unsigned char mid = '\0'; + register char *p; + register HDR *h; + HDR **hp; + char *fname; + char *fvalue; + bool cond = false; + bool dropfrom; + bool headeronly; + STAB *s; + struct hdrinfo *hi; + bool nullheader = false; + BITMAP256 mopts; + + if (tTd(31, 6)) + { + sm_dprintf("chompheader: "); + xputs(sm_debug_file(), line); + sm_dprintf("\n"); + } + + headeronly = hdrp != NULL; + if (!headeronly) + hdrp = &e->e_header; + + /* strip off options */ + clrbitmap(mopts); + p = line; + if (!bitset(pflag, CHHDR_USER) && *p == '?') + { + int c; + register char *q; + + q = strchr(++p, '?'); + if (q == NULL) + goto hse; + + *q = '\0'; + c = *p & 0377; + + /* possibly macro conditional */ + if (c == MACROEXPAND) + { + /* catch ?$? */ + if (*++p == '\0') + { + *q = '?'; + goto hse; + } + + mid = (unsigned char) *p++; + + /* catch ?$abc? */ + if (*p != '\0') + { + *q = '?'; + goto hse; + } + } + else if (*p == '$') + { + /* catch ?$? */ + if (*++p == '\0') + { + *q = '?'; + goto hse; + } + + mid = (unsigned char) macid(p); + if (bitset(0200, mid)) + { + p += strlen(macname(mid)) + 2; + SM_ASSERT(p <= q); + } + else + p++; + + /* catch ?$abc? */ + if (*p != '\0') + { + *q = '?'; + goto hse; + } + } + else + { + while (*p != '\0') + { + if (!isascii(*p)) + { + *q = '?'; + goto hse; + } + + setbitn(bitidx(*p), mopts); + cond = true; + p++; + } + } + p = q + 1; + } + + /* find canonical name */ + fname = p; + while (isascii(*p) && isgraph(*p) && *p != ':') + p++; + fvalue = p; + while (isascii(*p) && isspace(*p)) + p++; + if (*p++ != ':' || fname == fvalue) + { +hse: + syserr("553 5.3.0 header syntax error, line \"%s\"", line); + return 0; + } + *fvalue = '\0'; + + /* strip field value on front */ + if (*p == ' ') + p++; + fvalue = p; + + /* if the field is null, go ahead and use the default */ + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + nullheader = true; + + /* security scan: long field names are end-of-header */ + if (strlen(fname) > 100) + return H_EOH; + + /* check to see if it represents a ruleset call */ + if (bitset(pflag, CHHDR_DEF)) + { + char hbuf[50]; + + (void) expand(fvalue, hbuf, sizeof hbuf, e); + for (p = hbuf; isascii(*p) && isspace(*p); ) + p++; + if ((*p++ & 0377) == CALLSUBR) + { + auto char *endp; + bool strc; + + strc = *p == '+'; /* strip comments? */ + if (strc) + ++p; + if (strtorwset(p, &endp, ST_ENTER) > 0) + { + *endp = '\0'; + s = stab(fname, ST_HEADER, ST_ENTER); + if (LogLevel > 9 && + s->s_header.hi_ruleset != NULL) + sm_syslog(LOG_WARNING, NOQID, + "Warning: redefined ruleset for header=%s, old=%s, new=%s", + fname, + s->s_header.hi_ruleset, p); + s->s_header.hi_ruleset = newstr(p); + if (!strc) + s->s_header.hi_flags |= H_STRIPCOMM; + } + return 0; + } + } + + /* see if it is a known type */ + s = stab(fname, ST_HEADER, ST_FIND); + if (s != NULL) + hi = &s->s_header; + else + hi = &NormalHeader; + + if (tTd(31, 9)) + { + if (s == NULL) + sm_dprintf("no header flags match\n"); + else + sm_dprintf("header match, flags=%lx, ruleset=%s\n", + hi->hi_flags, + hi->hi_ruleset == NULL ? "" + : hi->hi_ruleset); + } + + /* see if this is a resent message */ + if (!bitset(pflag, CHHDR_DEF) && !headeronly && + bitset(H_RESENT, hi->hi_flags)) + e->e_flags |= EF_RESENT; + + /* if this is an Errors-To: header keep track of it now */ + if (UseErrorsTo && !bitset(pflag, CHHDR_DEF) && !headeronly && + bitset(H_ERRORSTO, hi->hi_flags)) + (void) sendtolist(fvalue, NULLADDR, &e->e_errorqueue, 0, e); + + /* if this means "end of header" quit now */ + if (!headeronly && bitset(H_EOH, hi->hi_flags)) + return hi->hi_flags; + + /* + ** Horrible hack to work around problem with Lotus Notes SMTP + ** mail gateway, which generates From: headers with newlines in + ** them and the
    on the second line. Although this is + ** legal RFC 822, many MUAs don't handle this properly and thus + ** never find the actual address. + */ + + if (bitset(H_FROM, hi->hi_flags) && SingleLineFromHeader) + { + while ((p = strchr(fvalue, '\n')) != NULL) + *p = ' '; + } + + /* + ** If there is a check ruleset, verify it against the header. + */ + + if (bitset(pflag, CHHDR_CHECK)) + { + int rscheckflags; + char *rs; + + rscheckflags = RSF_COUNT; + if (!bitset(hi->hi_flags, H_FROM|H_RCPT)) + rscheckflags |= RSF_UNSTRUCTURED; + + /* no ruleset? look for default */ + rs = hi->hi_ruleset; + if (rs == NULL) + { + s = stab("*", ST_HEADER, ST_FIND); + if (s != NULL) + { + rs = (&s->s_header)->hi_ruleset; + if (bitset((&s->s_header)->hi_flags, + H_STRIPCOMM)) + rscheckflags |= RSF_RMCOMM; + } + } + else if (bitset(hi->hi_flags, H_STRIPCOMM)) + rscheckflags |= RSF_RMCOMM; + if (rs != NULL) + { + int l, k; + char qval[MAXNAME]; + + l = 0; + qval[l++] = '"'; + + /* - 3 to avoid problems with " at the end */ + /* should be sizeof(qval), not MAXNAME */ + for (k = 0; fvalue[k] != '\0' && l < MAXNAME - 3; k++) + { + switch (fvalue[k]) + { + /* XXX other control chars? */ + case '\011': /* ht */ + case '\012': /* nl */ + case '\013': /* vt */ + case '\014': /* np */ + case '\015': /* cr */ + qval[l++] = ' '; + break; + case '"': + qval[l++] = '\\'; + /* FALLTHROUGH */ + default: + qval[l++] = fvalue[k]; + break; + } + } + qval[l++] = '"'; + qval[l] = '\0'; + k += strlen(fvalue + k); + if (k >= MAXNAME) + { + if (LogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "Warning: truncated header '%s' before check with '%s' len=%d max=%d", + fname, rs, k, MAXNAME - 1); + } + macdefine(&e->e_macro, A_TEMP, + macid("{currHeader}"), qval); + macdefine(&e->e_macro, A_TEMP, + macid("{hdr_name}"), fname); + + (void) sm_snprintf(qval, sizeof qval, "%d", k); + macdefine(&e->e_macro, A_TEMP, macid("{hdrlen}"), qval); +#if _FFR_HDR_TYPE + if (bitset(H_FROM, hi->hi_flags)) + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), "h s"); + else if (bitset(H_RCPT, hi->hi_flags)) + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), "h r"); + else +#endif /* _FFR_HDR_TYPE */ + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), "h"); + (void) rscheck(rs, fvalue, NULL, e, rscheckflags, 3, + NULL, e->e_id); + } + } + + /* + ** Drop explicit From: if same as what we would generate. + ** This is to make MH (which doesn't always give a full name) + ** insert the full name information in all circumstances. + */ + + dropfrom = false; + p = "resent-from"; + if (!bitset(EF_RESENT, e->e_flags)) + p += 7; + if (!bitset(pflag, CHHDR_DEF) && !headeronly && + !bitset(EF_QUEUERUN, e->e_flags) && sm_strcasecmp(fname, p) == 0) + { + if (tTd(31, 2)) + { + sm_dprintf("comparing header from (%s) against default (%s or %s)\n", + fvalue, e->e_from.q_paddr, e->e_from.q_user); + } + if (e->e_from.q_paddr != NULL && + e->e_from.q_mailer != NULL && + bitnset(M_LOCALMAILER, e->e_from.q_mailer->m_flags) && + (strcmp(fvalue, e->e_from.q_paddr) == 0 || + strcmp(fvalue, e->e_from.q_user) == 0)) + dropfrom = true; + } + + /* delete default value for this header */ + for (hp = hdrp; (h = *hp) != NULL; hp = &h->h_link) + { + if (sm_strcasecmp(fname, h->h_field) == 0 && + !bitset(H_USER, h->h_flags) && + !bitset(H_FORCE, h->h_flags)) + { + if (nullheader) + { + /* user-supplied value was null */ + return 0; + } + if (dropfrom) + { + /* make this look like the user entered it */ + h->h_flags |= H_USER; + return hi->hi_flags; + } + h->h_value = NULL; + if (!cond) + { + /* copy conditions from default case */ + memmove((char *) mopts, (char *) h->h_mflags, + sizeof mopts); + } + h->h_macro = mid; + } + } + + /* create a new node */ + h = (HDR *) sm_rpool_malloc_x(e->e_rpool, sizeof *h); + h->h_field = sm_rpool_strdup_x(e->e_rpool, fname); + h->h_value = sm_rpool_strdup_x(e->e_rpool, fvalue); + h->h_link = NULL; + memmove((char *) h->h_mflags, (char *) mopts, sizeof mopts); + h->h_macro = mid; + *hp = h; + h->h_flags = hi->hi_flags; + if (bitset(pflag, CHHDR_USER) || bitset(pflag, CHHDR_QUEUE)) + h->h_flags |= H_USER; + + /* strip EOH flag if parsing MIME headers */ + if (headeronly) + h->h_flags &= ~H_EOH; + if (bitset(pflag, CHHDR_DEF)) + h->h_flags |= H_DEFAULT; + if (cond || mid != '\0') + h->h_flags |= H_CHECK; + + /* hack to see if this is a new format message */ + if (!bitset(pflag, CHHDR_DEF) && !headeronly && + bitset(H_RCPT|H_FROM, h->h_flags) && + (strchr(fvalue, ',') != NULL || strchr(fvalue, '(') != NULL || + strchr(fvalue, '<') != NULL || strchr(fvalue, ';') != NULL)) + { + e->e_flags &= ~EF_OLDSTYLE; + } + + return h->h_flags; +} +/* +** ALLOCHEADER -- allocate a header entry +** +** Parameters: +** field -- the name of the header field. +** value -- the value of the field. +** flags -- flags to add to h_flags. +** rp -- resource pool for allocations +** +** Returns: +** Pointer to a newly allocated and populated HDR. +*/ + +static HDR * +allocheader(field, value, flags, rp) + char *field; + char *value; + int flags; + SM_RPOOL_T *rp; +{ + HDR *h; + STAB *s; + + /* find info struct */ + s = stab(field, ST_HEADER, ST_FIND); + + /* allocate space for new header */ + h = (HDR *) sm_rpool_malloc_x(rp, sizeof *h); + h->h_field = field; + h->h_value = sm_rpool_strdup_x(rp, value); + h->h_flags = flags; + if (s != NULL) + h->h_flags |= s->s_header.hi_flags; + clrbitmap(h->h_mflags); + h->h_macro = '\0'; + + return h; +} +/* +** ADDHEADER -- add a header entry to the end of the queue. +** +** This bypasses the special checking of chompheader. +** +** Parameters: +** field -- the name of the header field. +** value -- the value of the field. +** flags -- flags to add to h_flags. +** e -- envelope. +** +** Returns: +** none. +** +** Side Effects: +** adds the field on the list of headers for this envelope. +*/ + +void +addheader(field, value, flags, e) + char *field; + char *value; + int flags; + ENVELOPE *e; +{ + register HDR *h; + HDR **hp; + HDR **hdrlist = &e->e_header; + + /* find current place in list -- keep back pointer? */ + for (hp = hdrlist; (h = *hp) != NULL; hp = &h->h_link) + { + if (sm_strcasecmp(field, h->h_field) == 0) + break; + } + + /* allocate space for new header */ + h = allocheader(field, value, flags, e->e_rpool); + h->h_link = *hp; + *hp = h; +} +/* +** INSHEADER -- insert a header entry at the specified index +** +** This bypasses the special checking of chompheader. +** +** Parameters: +** idx -- index into the header list at which to insert +** field -- the name of the header field. +** value -- the value of the field. +** flags -- flags to add to h_flags. +** e -- envelope. +** +** Returns: +** none. +** +** Side Effects: +** inserts the field on the list of headers for this envelope. +*/ + +void +insheader(idx, field, value, flags, e) + int idx; + char *field; + char *value; + int flags; + ENVELOPE *e; +{ + HDR *h, *srch, *last = NULL; + + /* allocate space for new header */ + h = allocheader(field, value, flags, e->e_rpool); + + /* find insertion position */ + for (srch = e->e_header; srch != NULL && idx > 0; + srch = srch->h_link, idx--) + last = srch; + + if (e->e_header == NULL) + { + e->e_header = h; + h->h_link = NULL; + } + else if (srch == NULL) + { + SM_ASSERT(last != NULL); + last->h_link = h; + h->h_link = NULL; + } + else + { + h->h_link = srch->h_link; + srch->h_link = h; + } +} +/* +** HVALUE -- return value of a header. +** +** Only "real" fields (i.e., ones that have not been supplied +** as a default) are used. +** +** Parameters: +** field -- the field name. +** header -- the header list. +** +** Returns: +** pointer to the value part. +** NULL if not found. +** +** Side Effects: +** none. +*/ + +char * +hvalue(field, header) + char *field; + HDR *header; +{ + register HDR *h; + + for (h = header; h != NULL; h = h->h_link) + { + if (!bitset(H_DEFAULT, h->h_flags) && + sm_strcasecmp(h->h_field, field) == 0) + return h->h_value; + } + return NULL; +} +/* +** ISHEADER -- predicate telling if argument is a header. +** +** A line is a header if it has a single word followed by +** optional white space followed by a colon. +** +** Header fields beginning with two dashes, although technically +** permitted by RFC822, are automatically rejected in order +** to make MIME work out. Without this we could have a technically +** legal header such as ``--"foo:bar"'' that would also be a legal +** MIME separator. +** +** Parameters: +** h -- string to check for possible headerness. +** +** Returns: +** true if h is a header. +** false otherwise. +** +** Side Effects: +** none. +*/ + +bool +isheader(h) + char *h; +{ + register char *s = h; + + if (s[0] == '-' && s[1] == '-') + return false; + + while (*s > ' ' && *s != ':' && *s != '\0') + s++; + + if (h == s) + return false; + + /* following technically violates RFC822 */ + while (isascii(*s) && isspace(*s)) + s++; + + return (*s == ':'); +} +/* +** EATHEADER -- run through the stored header and extract info. +** +** Parameters: +** e -- the envelope to process. +** full -- if set, do full processing (e.g., compute +** message priority). This should not be set +** when reading a queue file because some info +** needed to compute the priority is wrong. +** log -- call logsender()? +** +** Returns: +** none. +** +** Side Effects: +** Sets a bunch of global variables from information +** in the collected header. +*/ + +void +eatheader(e, full, log) + register ENVELOPE *e; + bool full; + bool log; +{ + register HDR *h; + register char *p; + int hopcnt = 0; + char buf[MAXLINE]; + + /* + ** Set up macros for possible expansion in headers. + */ + + macdefine(&e->e_macro, A_PERM, 'f', e->e_sender); + macdefine(&e->e_macro, A_PERM, 'g', e->e_sender); + if (e->e_origrcpt != NULL && *e->e_origrcpt != '\0') + macdefine(&e->e_macro, A_PERM, 'u', e->e_origrcpt); + else + macdefine(&e->e_macro, A_PERM, 'u', NULL); + + /* full name of from person */ + p = hvalue("full-name", e->e_header); + if (p != NULL) + { + if (!rfc822_string(p)) + { + /* + ** Quote a full name with special characters + ** as a comment so crackaddr() doesn't destroy + ** the name portion of the address. + */ + + p = addquotes(p, e->e_rpool); + } + macdefine(&e->e_macro, A_PERM, 'x', p); + } + + if (tTd(32, 1)) + sm_dprintf("----- collected header -----\n"); + e->e_msgid = NULL; + for (h = e->e_header; h != NULL; h = h->h_link) + { + if (tTd(32, 1)) + sm_dprintf("%s: ", h->h_field); + if (h->h_value == NULL) + { + if (tTd(32, 1)) + sm_dprintf("\n"); + continue; + } + + /* do early binding */ + if (bitset(H_DEFAULT, h->h_flags) && + !bitset(H_BINDLATE, h->h_flags)) + { + if (tTd(32, 1)) + { + sm_dprintf("("); + xputs(sm_debug_file(), h->h_value); + sm_dprintf(") "); + } + expand(h->h_value, buf, sizeof buf, e); + if (buf[0] != '\0') + { + if (bitset(H_FROM, h->h_flags)) + expand(crackaddr(buf, e), + buf, sizeof buf, e); + h->h_value = sm_rpool_strdup_x(e->e_rpool, buf); + h->h_flags &= ~H_DEFAULT; + } + } + if (tTd(32, 1)) + { + xputs(sm_debug_file(), h->h_value); + sm_dprintf("\n"); + } + + /* count the number of times it has been processed */ + if (bitset(H_TRACE, h->h_flags)) + hopcnt++; + + /* send to this person if we so desire */ + if (GrabTo && bitset(H_RCPT, h->h_flags) && + !bitset(H_DEFAULT, h->h_flags) && + (!bitset(EF_RESENT, e->e_flags) || + bitset(H_RESENT, h->h_flags))) + { +#if 0 + int saveflags = e->e_flags; +#endif /* 0 */ + + (void) sendtolist(denlstring(h->h_value, true, false), + NULLADDR, &e->e_sendqueue, 0, e); + +#if 0 + /* + ** Change functionality so a fatal error on an + ** address doesn't affect the entire envelope. + */ + + /* delete fatal errors generated by this address */ + if (!bitset(EF_FATALERRS, saveflags)) + e->e_flags &= ~EF_FATALERRS; +#endif /* 0 */ + } + + /* save the message-id for logging */ + p = "resent-message-id"; + if (!bitset(EF_RESENT, e->e_flags)) + p += 7; + if (sm_strcasecmp(h->h_field, p) == 0) + { + e->e_msgid = h->h_value; + while (isascii(*e->e_msgid) && isspace(*e->e_msgid)) + e->e_msgid++; + macdefine(&e->e_macro, A_PERM, macid("{msg_id}"), + e->e_msgid); + } + } + if (tTd(32, 1)) + sm_dprintf("----------------------------\n"); + + /* if we are just verifying (that is, sendmail -t -bv), drop out now */ + if (OpMode == MD_VERIFY) + return; + + /* store hop count */ + if (hopcnt > e->e_hopcount) + { + e->e_hopcount = hopcnt; + (void) sm_snprintf(buf, sizeof buf, "%d", e->e_hopcount); + macdefine(&e->e_macro, A_TEMP, 'c', buf); + } + + /* message priority */ + p = hvalue("precedence", e->e_header); + if (p != NULL) + e->e_class = priencode(p); + if (e->e_class < 0) + e->e_timeoutclass = TOC_NONURGENT; + else if (e->e_class > 0) + e->e_timeoutclass = TOC_URGENT; + if (full) + { + e->e_msgpriority = e->e_msgsize + - e->e_class * WkClassFact + + e->e_nrcpts * WkRecipFact; + } + + /* check for DSN to properly set e_timeoutclass */ + p = hvalue("content-type", e->e_header); + if (p != NULL) + { + bool oldsupr; + char **pvp; + char pvpbuf[MAXLINE]; + extern unsigned char MimeTokenTab[256]; + + /* tokenize header */ + oldsupr = SuprErrs; + SuprErrs = true; + pvp = prescan(p, '\0', pvpbuf, sizeof pvpbuf, NULL, + MimeTokenTab, false); + SuprErrs = oldsupr; + + /* Check if multipart/report */ + if (pvp != NULL && pvp[0] != NULL && + pvp[1] != NULL && pvp[2] != NULL && + sm_strcasecmp(*pvp++, "multipart") == 0 && + strcmp(*pvp++, "/") == 0 && + sm_strcasecmp(*pvp++, "report") == 0) + { + /* Look for report-type=delivery-status */ + while (*pvp != NULL) + { + /* skip to semicolon separator */ + while (*pvp != NULL && strcmp(*pvp, ";") != 0) + pvp++; + + /* skip semicolon */ + if (*pvp++ == NULL || *pvp == NULL) + break; + + /* look for report-type */ + if (sm_strcasecmp(*pvp++, "report-type") != 0) + continue; + + /* skip equal */ + if (*pvp == NULL || strcmp(*pvp, "=") != 0) + continue; + + /* check value */ + if (*++pvp != NULL && + sm_strcasecmp(*pvp, + "delivery-status") == 0) + e->e_timeoutclass = TOC_DSN; + + /* found report-type, no need to continue */ + break; + } + } + } + + /* message timeout priority */ + p = hvalue("priority", e->e_header); + if (p != NULL) + { + /* (this should be in the configuration file) */ + if (sm_strcasecmp(p, "urgent") == 0) + e->e_timeoutclass = TOC_URGENT; + else if (sm_strcasecmp(p, "normal") == 0) + e->e_timeoutclass = TOC_NORMAL; + else if (sm_strcasecmp(p, "non-urgent") == 0) + e->e_timeoutclass = TOC_NONURGENT; + else if (bitset(EF_RESPONSE, e->e_flags)) + e->e_timeoutclass = TOC_DSN; + } + else if (bitset(EF_RESPONSE, e->e_flags)) + e->e_timeoutclass = TOC_DSN; + + /* date message originated */ + p = hvalue("posted-date", e->e_header); + if (p == NULL) + p = hvalue("date", e->e_header); + if (p != NULL) + macdefine(&e->e_macro, A_PERM, 'a', p); + + /* check to see if this is a MIME message */ + if ((e->e_bodytype != NULL && + sm_strcasecmp(e->e_bodytype, "8BITMIME") == 0) || + hvalue("MIME-Version", e->e_header) != NULL) + { + e->e_flags |= EF_IS_MIME; + if (HasEightBits) + e->e_bodytype = "8BITMIME"; + } + else if ((p = hvalue("Content-Type", e->e_header)) != NULL) + { + /* this may be an RFC 1049 message */ + p = strpbrk(p, ";/"); + if (p == NULL || *p == ';') + { + /* yep, it is */ + e->e_flags |= EF_DONT_MIME; + } + } + + /* + ** From person in antiquated ARPANET mode + ** required by UK Grey Book e-mail gateways (sigh) + */ + + if (OpMode == MD_ARPAFTP) + { + register struct hdrinfo *hi; + + for (hi = HdrInfo; hi->hi_field != NULL; hi++) + { + if (bitset(H_FROM, hi->hi_flags) && + (!bitset(H_RESENT, hi->hi_flags) || + bitset(EF_RESENT, e->e_flags)) && + (p = hvalue(hi->hi_field, e->e_header)) != NULL) + break; + } + if (hi->hi_field != NULL) + { + if (tTd(32, 2)) + sm_dprintf("eatheader: setsender(*%s == %s)\n", + hi->hi_field, p); + setsender(p, e, NULL, '\0', true); + } + } + + /* + ** Log collection information. + */ + + if (log && bitset(EF_LOGSENDER, e->e_flags) && LogLevel > 4) + { + logsender(e, e->e_msgid); + e->e_flags &= ~EF_LOGSENDER; + } +} +/* +** LOGSENDER -- log sender information +** +** Parameters: +** e -- the envelope to log +** msgid -- the message id +** +** Returns: +** none +*/ + +void +logsender(e, msgid) + register ENVELOPE *e; + char *msgid; +{ + char *name; + register char *sbp; + register char *p; + int l; + char hbuf[MAXNAME + 1]; + char sbuf[MAXLINE + 1]; + char mbuf[MAXNAME + 1]; + + /* don't allow newlines in the message-id */ + /* XXX do we still need this? sm_syslog() replaces control chars */ + if (msgid != NULL) + { + l = strlen(msgid); + if (l > sizeof mbuf - 1) + l = sizeof mbuf - 1; + memmove(mbuf, msgid, l); + mbuf[l] = '\0'; + p = mbuf; + while ((p = strchr(p, '\n')) != NULL) + *p++ = ' '; + } + + if (bitset(EF_RESPONSE, e->e_flags)) + name = "[RESPONSE]"; + else if ((name = macvalue('_', e)) != NULL) + /* EMPTY */ + ; + else if (RealHostName == NULL) + name = "localhost"; + else if (RealHostName[0] == '[') + name = RealHostName; + else + { + name = hbuf; + (void) sm_snprintf(hbuf, sizeof hbuf, "%.80s", RealHostName); + if (RealHostAddr.sa.sa_family != 0) + { + p = &hbuf[strlen(hbuf)]; + (void) sm_snprintf(p, SPACELEFT(hbuf, p), + " (%.100s)", + anynet_ntoa(&RealHostAddr)); + } + } + + /* some versions of syslog only take 5 printf args */ +#if (SYSLOG_BUFSIZE) >= 256 + sbp = sbuf; + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + "from=%.200s, size=%ld, class=%d, nrcpts=%d", + e->e_from.q_paddr == NULL ? "" : e->e_from.q_paddr, + e->e_msgsize, e->e_class, e->e_nrcpts); + sbp += strlen(sbp); + if (msgid != NULL) + { + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + ", msgid=%.100s", mbuf); + sbp += strlen(sbp); + } + if (e->e_bodytype != NULL) + { + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + ", bodytype=%.20s", e->e_bodytype); + sbp += strlen(sbp); + } + p = macvalue('r', e); + if (p != NULL) + { + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + ", proto=%.20s", p); + sbp += strlen(sbp); + } + p = macvalue(macid("{daemon_name}"), e); + if (p != NULL) + { + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + ", daemon=%.20s", p); + sbp += strlen(sbp); + } + sm_syslog(LOG_INFO, e->e_id, "%.850s, relay=%s", sbuf, name); + +#else /* (SYSLOG_BUFSIZE) >= 256 */ + + sm_syslog(LOG_INFO, e->e_id, + "from=%s", + e->e_from.q_paddr == NULL ? "" + : shortenstring(e->e_from.q_paddr, + 83)); + sm_syslog(LOG_INFO, e->e_id, + "size=%ld, class=%ld, nrcpts=%d", + e->e_msgsize, e->e_class, e->e_nrcpts); + if (msgid != NULL) + sm_syslog(LOG_INFO, e->e_id, + "msgid=%s", + shortenstring(mbuf, 83)); + sbp = sbuf; + *sbp = '\0'; + if (e->e_bodytype != NULL) + { + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + "bodytype=%.20s, ", e->e_bodytype); + sbp += strlen(sbp); + } + p = macvalue('r', e); + if (p != NULL) + { + (void) sm_snprintf(sbp, SPACELEFT(sbuf, sbp), + "proto=%.20s, ", p); + sbp += strlen(sbp); + } + sm_syslog(LOG_INFO, e->e_id, + "%.400srelay=%s", sbuf, name); +#endif /* (SYSLOG_BUFSIZE) >= 256 */ +} +/* +** PRIENCODE -- encode external priority names into internal values. +** +** Parameters: +** p -- priority in ascii. +** +** Returns: +** priority as a numeric level. +** +** Side Effects: +** none. +*/ + +static int +priencode(p) + char *p; +{ + register int i; + + for (i = 0; i < NumPriorities; i++) + { + if (sm_strcasecmp(p, Priorities[i].pri_name) == 0) + return Priorities[i].pri_val; + } + + /* unknown priority */ + return 0; +} +/* +** CRACKADDR -- parse an address and turn it into a macro +** +** This doesn't actually parse the address -- it just extracts +** it and replaces it with "$g". The parse is totally ad hoc +** and isn't even guaranteed to leave something syntactically +** identical to what it started with. However, it does leave +** something semantically identical if possible, else at least +** syntactically correct. +** +** For example, it changes "Real Name (Comment)" +** to "Real Name <$g> (Comment)". +** +** This algorithm has been cleaned up to handle a wider range +** of cases -- notably quoted and backslash escaped strings. +** This modification makes it substantially better at preserving +** the original syntax. +** +** Parameters: +** addr -- the address to be cracked. +** e -- the current envelope. +** +** Returns: +** a pointer to the new version. +** +** Side Effects: +** none. +** +** Warning: +** The return value is saved in local storage and should +** be copied if it is to be reused. +*/ + +#define SM_HAVE_ROOM ((bp < buflim) && (buflim <= bufend)) + +/* +** Append a character to bp if we have room. +** If not, punt and return $g. +*/ + +#define SM_APPEND_CHAR(c) \ + do \ + { \ + if (SM_HAVE_ROOM) \ + *bp++ = (c); \ + else \ + goto returng; \ + } while (0) + +#if MAXNAME < 10 +ERROR MAXNAME must be at least 10 +#endif /* MAXNAME < 10 */ + +char * +crackaddr(addr, e) + register char *addr; + ENVELOPE *e; +{ + register char *p; + register char c; + int cmtlev; /* comment level in input string */ + int realcmtlev; /* comment level in output string */ + int anglelev; /* angle level in input string */ + int copylev; /* 0 == in address, >0 copying */ + int bracklev; /* bracket level for IPv6 addr check */ + bool addangle; /* put closing angle in output */ + bool qmode; /* quoting in original string? */ + bool realqmode; /* quoting in output string? */ + bool putgmac = false; /* already wrote $g */ + bool quoteit = false; /* need to quote next character */ + bool gotangle = false; /* found first '<' */ + bool gotcolon = false; /* found a ':' */ + register char *bp; + char *buflim; + char *bufhead; + char *addrhead; + char *bufend; + static char buf[MAXNAME + 1]; + + if (tTd(33, 1)) + sm_dprintf("crackaddr(%s)\n", addr); + + /* strip leading spaces */ + while (*addr != '\0' && isascii(*addr) && isspace(*addr)) + addr++; + + /* + ** Start by assuming we have no angle brackets. This will be + ** adjusted later if we find them. + */ + + buflim = bufend = &buf[sizeof(buf) - 1]; + bp = bufhead = buf; + p = addrhead = addr; + copylev = anglelev = cmtlev = realcmtlev = 0; + bracklev = 0; + qmode = realqmode = addangle = false; + + while ((c = *p++) != '\0') + { + /* + ** Try to keep legal syntax using spare buffer space + ** (maintained by buflim). + */ + + if (copylev > 0) + SM_APPEND_CHAR(c); + + /* check for backslash escapes */ + if (c == '\\') + { + /* arrange to quote the address */ + if (cmtlev <= 0 && !qmode) + quoteit = true; + + if ((c = *p++) == '\0') + { + /* too far */ + p--; + goto putg; + } + if (copylev > 0) + SM_APPEND_CHAR(c); + goto putg; + } + + /* check for quoted strings */ + if (c == '"' && cmtlev <= 0) + { + qmode = !qmode; + if (copylev > 0 && SM_HAVE_ROOM) + { + if (realqmode) + buflim--; + else + buflim++; + realqmode = !realqmode; + } + continue; + } + if (qmode) + goto putg; + + /* check for comments */ + if (c == '(') + { + cmtlev++; + + /* allow space for closing paren */ + if (SM_HAVE_ROOM) + { + buflim--; + realcmtlev++; + if (copylev++ <= 0) + { + if (bp != bufhead) + SM_APPEND_CHAR(' '); + SM_APPEND_CHAR(c); + } + } + } + if (cmtlev > 0) + { + if (c == ')') + { + cmtlev--; + copylev--; + if (SM_HAVE_ROOM) + { + realcmtlev--; + buflim++; + } + } + continue; + } + else if (c == ')') + { + /* syntax error: unmatched ) */ + if (copylev > 0 && SM_HAVE_ROOM && bp > bufhead) + bp--; + } + + /* count nesting on [ ... ] (for IPv6 domain literals) */ + if (c == '[') + bracklev++; + else if (c == ']') + bracklev--; + + /* check for group: list; syntax */ + if (c == ':' && anglelev <= 0 && bracklev <= 0 && + !gotcolon && !ColonOkInAddr) + { + register char *q; + + /* + ** Check for DECnet phase IV ``::'' (host::user) + ** or DECnet phase V ``:.'' syntaxes. The latter + ** covers ``user@DEC:.tay.myhost'' and + ** ``DEC:.tay.myhost::user'' syntaxes (bletch). + */ + + if (*p == ':' || *p == '.') + { + if (cmtlev <= 0 && !qmode) + quoteit = true; + if (copylev > 0) + { + SM_APPEND_CHAR(c); + SM_APPEND_CHAR(*p); + } + p++; + goto putg; + } + + gotcolon = true; + + bp = bufhead; + if (quoteit) + { + SM_APPEND_CHAR('"'); + + /* back up over the ':' and any spaces */ + --p; + while (p > addr && + isascii(*--p) && isspace(*p)) + continue; + p++; + } + for (q = addrhead; q < p; ) + { + c = *q++; + if (quoteit && c == '"') + SM_APPEND_CHAR('\\'); + SM_APPEND_CHAR(c); + } + if (quoteit) + { + if (bp == &bufhead[1]) + bp--; + else + SM_APPEND_CHAR('"'); + while ((c = *p++) != ':') + SM_APPEND_CHAR(c); + SM_APPEND_CHAR(c); + } + + /* any trailing white space is part of group: */ + while (isascii(*p) && isspace(*p)) + { + SM_APPEND_CHAR(*p); + p++; + } + copylev = 0; + putgmac = quoteit = false; + bufhead = bp; + addrhead = p; + continue; + } + + if (c == ';' && copylev <= 0 && !ColonOkInAddr) + SM_APPEND_CHAR(c); + + /* check for characters that may have to be quoted */ + if (strchr(MustQuoteChars, c) != NULL) + { + /* + ** If these occur as the phrase part of a <> + ** construct, but are not inside of () or already + ** quoted, they will have to be quoted. Note that + ** now (but don't actually do the quoting). + */ + + if (cmtlev <= 0 && !qmode) + quoteit = true; + } + + /* check for angle brackets */ + if (c == '<') + { + register char *q; + + /* assume first of two angles is bogus */ + if (gotangle) + quoteit = true; + gotangle = true; + + /* oops -- have to change our mind */ + anglelev = 1; + if (SM_HAVE_ROOM) + { + if (!addangle) + buflim--; + addangle = true; + } + + bp = bufhead; + if (quoteit) + { + SM_APPEND_CHAR('"'); + + /* back up over the '<' and any spaces */ + --p; + while (p > addr && + isascii(*--p) && isspace(*p)) + continue; + p++; + } + for (q = addrhead; q < p; ) + { + c = *q++; + if (quoteit && c == '"') + { + SM_APPEND_CHAR('\\'); + SM_APPEND_CHAR(c); + } + else + SM_APPEND_CHAR(c); + } + if (quoteit) + { + if (bp == &buf[1]) + bp--; + else + SM_APPEND_CHAR('"'); + while ((c = *p++) != '<') + SM_APPEND_CHAR(c); + SM_APPEND_CHAR(c); + } + copylev = 0; + putgmac = quoteit = false; + continue; + } + + if (c == '>') + { + if (anglelev > 0) + { + anglelev--; + if (SM_HAVE_ROOM) + { + if (addangle) + buflim++; + addangle = false; + } + } + else if (SM_HAVE_ROOM) + { + /* syntax error: unmatched > */ + if (copylev > 0 && bp > bufhead) + bp--; + quoteit = true; + continue; + } + if (copylev++ <= 0) + SM_APPEND_CHAR(c); + continue; + } + + /* must be a real address character */ + putg: + if (copylev <= 0 && !putgmac) + { + if (bp > buf && bp[-1] == ')') + SM_APPEND_CHAR(' '); + SM_APPEND_CHAR(MACROEXPAND); + SM_APPEND_CHAR('g'); + putgmac = true; + } + } + + /* repair any syntactic damage */ + if (realqmode && bp < bufend) + *bp++ = '"'; + while (realcmtlev-- > 0 && bp < bufend) + *bp++ = ')'; + if (addangle && bp < bufend) + *bp++ = '>'; + *bp = '\0'; + if (bp < bufend) + goto success; + + returng: + /* String too long, punt */ + buf[0] = '<'; + buf[1] = MACROEXPAND; + buf[2]= 'g'; + buf[3] = '>'; + buf[4]= '\0'; + sm_syslog(LOG_ALERT, e->e_id, + "Dropped invalid comments from header address"); + + success: + if (tTd(33, 1)) + { + sm_dprintf("crackaddr=>`"); + xputs(sm_debug_file(), buf); + sm_dprintf("'\n"); + } + return buf; +} +/* +** PUTHEADER -- put the header part of a message from the in-core copy +** +** Parameters: +** mci -- the connection information. +** hdr -- the header to put. +** e -- envelope to use. +** flags -- MIME conversion flags. +** +** Returns: +** none. +** +** Side Effects: +** none. +*/ + +void +putheader(mci, hdr, e, flags) + register MCI *mci; + HDR *hdr; + register ENVELOPE *e; + int flags; +{ + register HDR *h; + char buf[SM_MAX(MAXLINE,BUFSIZ)]; + char obuf[MAXLINE]; + + if (tTd(34, 1)) + sm_dprintf("--- putheader, mailer = %s ---\n", + mci->mci_mailer->m_name); + + /* + ** If we're in MIME mode, we're not really in the header of the + ** message, just the header of one of the parts of the body of + ** the message. Therefore MCIF_INHEADER should not be turned on. + */ + + if (!bitset(MCIF_INMIME, mci->mci_flags)) + mci->mci_flags |= MCIF_INHEADER; + + for (h = hdr; h != NULL; h = h->h_link) + { + register char *p = h->h_value; + char *q; + + if (tTd(34, 11)) + { + sm_dprintf(" %s: ", h->h_field); + xputs(sm_debug_file(), p); + } + + /* Skip empty headers */ + if (h->h_value == NULL) + continue; + + /* heuristic shortening of MIME fields to avoid MUA overflows */ + if (MaxMimeFieldLength > 0 && + wordinclass(h->h_field, + macid("{checkMIMEFieldHeaders}"))) + { + size_t len; + + len = fix_mime_header(h, e); + if (len > 0) + { + sm_syslog(LOG_ALERT, e->e_id, + "Truncated MIME %s header due to field size (length = %ld) (possible attack)", + h->h_field, (unsigned long) len); + if (tTd(34, 11)) + sm_dprintf(" truncated MIME %s header due to field size (length = %ld) (possible attack)\n", + h->h_field, + (unsigned long) len); + } + } + + if (MaxMimeHeaderLength > 0 && + wordinclass(h->h_field, + macid("{checkMIMETextHeaders}"))) + { + size_t len; + + len = strlen(h->h_value); + if (len > (size_t) MaxMimeHeaderLength) + { + h->h_value[MaxMimeHeaderLength - 1] = '\0'; + sm_syslog(LOG_ALERT, e->e_id, + "Truncated long MIME %s header (length = %ld) (possible attack)", + h->h_field, (unsigned long) len); + if (tTd(34, 11)) + sm_dprintf(" truncated long MIME %s header (length = %ld) (possible attack)\n", + h->h_field, + (unsigned long) len); + } + } + + if (MaxMimeHeaderLength > 0 && + wordinclass(h->h_field, + macid("{checkMIMEHeaders}"))) + { + size_t len; + + len = strlen(h->h_value); + if (shorten_rfc822_string(h->h_value, + MaxMimeHeaderLength)) + { + if (len < MaxMimeHeaderLength) + { + /* we only rebalanced a bogus header */ + sm_syslog(LOG_ALERT, e->e_id, + "Fixed MIME %s header (possible attack)", + h->h_field); + if (tTd(34, 11)) + sm_dprintf(" fixed MIME %s header (possible attack)\n", + h->h_field); + } + else + { + /* we actually shortened header */ + sm_syslog(LOG_ALERT, e->e_id, + "Truncated long MIME %s header (length = %ld) (possible attack)", + h->h_field, + (unsigned long) len); + if (tTd(34, 11)) + sm_dprintf(" truncated long MIME %s header (length = %ld) (possible attack)\n", + h->h_field, + (unsigned long) len); + } + } + } + + /* + ** Suppress Content-Transfer-Encoding: if we are MIMEing + ** and we are potentially converting from 8 bit to 7 bit + ** MIME. If converting, add a new CTE header in + ** mime8to7(). + */ + + if (bitset(H_CTE, h->h_flags) && + bitset(MCIF_CVT8TO7|MCIF_CVT7TO8|MCIF_INMIME, + mci->mci_flags) && + !bitset(M87F_NO8TO7, flags)) + { + if (tTd(34, 11)) + sm_dprintf(" (skipped (content-transfer-encoding))\n"); + continue; + } + + if (bitset(MCIF_INMIME, mci->mci_flags)) + { + if (tTd(34, 11)) + sm_dprintf("\n"); + put_vanilla_header(h, p, mci); + continue; + } + + if (bitset(H_CHECK|H_ACHECK, h->h_flags) && + !bitintersect(h->h_mflags, mci->mci_mailer->m_flags) && + (h->h_macro == '\0' || + (q = macvalue(bitidx(h->h_macro), e)) == NULL || + *q == '\0')) + { + if (tTd(34, 11)) + sm_dprintf(" (skipped)\n"); + continue; + } + + /* handle Resent-... headers specially */ + if (bitset(H_RESENT, h->h_flags) && !bitset(EF_RESENT, e->e_flags)) + { + if (tTd(34, 11)) + sm_dprintf(" (skipped (resent))\n"); + continue; + } + + /* suppress return receipts if requested */ + if (bitset(H_RECEIPTTO, h->h_flags) && + (RrtImpliesDsn || bitset(EF_NORECEIPT, e->e_flags))) + { + if (tTd(34, 11)) + sm_dprintf(" (skipped (receipt))\n"); + continue; + } + + /* macro expand value if generated internally */ + if (bitset(H_DEFAULT, h->h_flags) || + bitset(H_BINDLATE, h->h_flags)) + { + expand(p, buf, sizeof buf, e); + p = buf; + if (*p == '\0') + { + if (tTd(34, 11)) + sm_dprintf(" (skipped -- null value)\n"); + continue; + } + } + + if (bitset(H_BCC, h->h_flags)) + { + /* Bcc: field -- either truncate or delete */ + if (bitset(EF_DELETE_BCC, e->e_flags)) + { + if (tTd(34, 11)) + sm_dprintf(" (skipped -- bcc)\n"); + } + else + { + /* no other recipient headers: truncate value */ + (void) sm_strlcpyn(obuf, sizeof obuf, 2, + h->h_field, ":"); + putline(obuf, mci); + } + continue; + } + + if (tTd(34, 11)) + sm_dprintf("\n"); + + if (bitset(H_FROM|H_RCPT, h->h_flags)) + { + /* address field */ + bool oldstyle = bitset(EF_OLDSTYLE, e->e_flags); + + if (bitset(H_FROM, h->h_flags)) + oldstyle = false; + commaize(h, p, oldstyle, mci, e); + } + else + { + put_vanilla_header(h, p, mci); + } + } + + /* + ** If we are converting this to a MIME message, add the + ** MIME headers (but not in MIME mode!). + */ + +#if MIME8TO7 + if (bitset(MM_MIME8BIT, MimeMode) && + bitset(EF_HAS8BIT, e->e_flags) && + !bitset(EF_DONT_MIME, e->e_flags) && + !bitnset(M_8BITS, mci->mci_mailer->m_flags) && + !bitset(MCIF_CVT8TO7|MCIF_CVT7TO8|MCIF_INMIME, mci->mci_flags) && + hvalue("MIME-Version", e->e_header) == NULL) + { + putline("MIME-Version: 1.0", mci); + if (hvalue("Content-Type", e->e_header) == NULL) + { + (void) sm_snprintf(obuf, sizeof obuf, + "Content-Type: text/plain; charset=%s", + defcharset(e)); + putline(obuf, mci); + } + if (hvalue("Content-Transfer-Encoding", e->e_header) == NULL) + putline("Content-Transfer-Encoding: 8bit", mci); + } +#endif /* MIME8TO7 */ +} +/* +** PUT_VANILLA_HEADER -- output a fairly ordinary header +** +** Parameters: +** h -- the structure describing this header +** v -- the value of this header +** mci -- the connection info for output +** +** Returns: +** none. +*/ + +static void +put_vanilla_header(h, v, mci) + HDR *h; + char *v; + MCI *mci; +{ + register char *nlp; + register char *obp; + int putflags; + char obuf[MAXLINE + 256]; /* additional length for h_field */ + + putflags = PXLF_HEADER; + if (bitnset(M_7BITHDRS, mci->mci_mailer->m_flags)) + putflags |= PXLF_STRIP8BIT; + (void) sm_snprintf(obuf, sizeof obuf, "%.200s: ", h->h_field); + obp = obuf + strlen(obuf); + while ((nlp = strchr(v, '\n')) != NULL) + { + int l; + + l = nlp - v; + + /* + ** XXX This is broken for SPACELEFT()==0 + ** However, SPACELEFT() is always > 0 unless MAXLINE==1. + */ + + if (SPACELEFT(obuf, obp) - 1 < (size_t) l) + l = SPACELEFT(obuf, obp) - 1; + + (void) sm_snprintf(obp, SPACELEFT(obuf, obp), "%.*s", l, v); + putxline(obuf, strlen(obuf), mci, putflags); + v += l + 1; + obp = obuf; + if (*v != ' ' && *v != '\t') + *obp++ = ' '; + } + + /* XXX This is broken for SPACELEFT()==0 */ + (void) sm_snprintf(obp, SPACELEFT(obuf, obp), "%.*s", + (int) (SPACELEFT(obuf, obp) - 1), v); + putxline(obuf, strlen(obuf), mci, putflags); +} +/* +** COMMAIZE -- output a header field, making a comma-translated list. +** +** Parameters: +** h -- the header field to output. +** p -- the value to put in it. +** oldstyle -- true if this is an old style header. +** mci -- the connection information. +** e -- the envelope containing the message. +** +** Returns: +** none. +** +** Side Effects: +** outputs "p" to file "fp". +*/ + +void +commaize(h, p, oldstyle, mci, e) + register HDR *h; + register char *p; + bool oldstyle; + register MCI *mci; + register ENVELOPE *e; +{ + register char *obp; + int opos; + int omax; + bool firstone = true; + int putflags = PXLF_HEADER; + char **res; + char obuf[MAXLINE + 3]; + + /* + ** Output the address list translated by the + ** mailer and with commas. + */ + + if (tTd(14, 2)) + sm_dprintf("commaize(%s: %s)\n", h->h_field, p); + + if (bitnset(M_7BITHDRS, mci->mci_mailer->m_flags)) + putflags |= PXLF_STRIP8BIT; + + obp = obuf; + (void) sm_snprintf(obp, SPACELEFT(obuf, obp), "%.200s: ", + h->h_field); + + /* opos = strlen(obp); */ + opos = strlen(h->h_field) + 2; + if (opos > 202) + opos = 202; + obp += opos; + omax = mci->mci_mailer->m_linelimit - 2; + if (omax < 0 || omax > 78) + omax = 78; + + /* + ** Run through the list of values. + */ + + while (*p != '\0') + { + register char *name; + register int c; + char savechar; + int flags; + auto int status; + + /* + ** Find the end of the name. New style names + ** end with a comma, old style names end with + ** a space character. However, spaces do not + ** necessarily delimit an old-style name -- at + ** signs mean keep going. + */ + + /* find end of name */ + while ((isascii(*p) && isspace(*p)) || *p == ',') + p++; + name = p; + res = NULL; + for (;;) + { + auto char *oldp; + char pvpbuf[PSBUFSIZE]; + + res = prescan(p, oldstyle ? ' ' : ',', pvpbuf, + sizeof pvpbuf, &oldp, NULL, false); + p = oldp; +#if _FFR_IGNORE_BOGUS_ADDR + /* ignore addresses that can't be parsed */ + if (res == NULL) + { + name = p; + continue; + } +#endif /* _FFR_IGNORE_BOGUS_ADDR */ + + /* look to see if we have an at sign */ + while (*p != '\0' && isascii(*p) && isspace(*p)) + p++; + + if (*p != '@') + { + p = oldp; + break; + } + ++p; + while (*p != '\0' && isascii(*p) && isspace(*p)) + p++; + } + /* at the end of one complete name */ + + /* strip off trailing white space */ + while (p >= name && + ((isascii(*p) && isspace(*p)) || *p == ',' || *p == '\0')) + p--; + if (++p == name) + continue; + + /* + ** if prescan() failed go a bit backwards; this is a hack, + ** there should be some better error recovery. + */ + + if (res == NULL && p > name && + !((isascii(*p) && isspace(*p)) || *p == ',' || *p == '\0')) + --p; + savechar = *p; + *p = '\0'; + + /* translate the name to be relative */ + flags = RF_HEADERADDR|RF_ADDDOMAIN; + if (bitset(H_FROM, h->h_flags)) + flags |= RF_SENDERADDR; +#if USERDB + else if (e->e_from.q_mailer != NULL && + bitnset(M_UDBRECIPIENT, e->e_from.q_mailer->m_flags)) + { + char *q; + + q = udbsender(name, e->e_rpool); + if (q != NULL) + name = q; + } +#endif /* USERDB */ + status = EX_OK; + name = remotename(name, mci->mci_mailer, flags, &status, e); + if (*name == '\0') + { + *p = savechar; + continue; + } + name = denlstring(name, false, true); + + /* + ** record data progress so DNS timeouts + ** don't cause DATA timeouts + */ + + DataProgress = true; + + /* output the name with nice formatting */ + opos += strlen(name); + if (!firstone) + opos += 2; + if (opos > omax && !firstone) + { + (void) sm_strlcpy(obp, ",\n", SPACELEFT(obuf, obp)); + putxline(obuf, strlen(obuf), mci, putflags); + obp = obuf; + (void) sm_strlcpy(obp, " ", sizeof obuf); + opos = strlen(obp); + obp += opos; + opos += strlen(name); + } + else if (!firstone) + { + (void) sm_strlcpy(obp, ", ", SPACELEFT(obuf, obp)); + obp += 2; + } + + while ((c = *name++) != '\0' && obp < &obuf[MAXLINE]) + *obp++ = c; + firstone = false; + *p = savechar; + } + if (obp < &obuf[sizeof obuf]) + *obp = '\0'; + else + obuf[sizeof obuf - 1] = '\0'; + putxline(obuf, strlen(obuf), mci, putflags); +} +/* +** COPYHEADER -- copy header list +** +** This routine is the equivalent of newstr for header lists +** +** Parameters: +** header -- list of header structures to copy. +** rpool -- resource pool, or NULL +** +** Returns: +** a copy of 'header'. +** +** Side Effects: +** none. +*/ + +HDR * +copyheader(header, rpool) + register HDR *header; + SM_RPOOL_T *rpool; +{ + register HDR *newhdr; + HDR *ret; + register HDR **tail = &ret; + + while (header != NULL) + { + newhdr = (HDR *) sm_rpool_malloc_x(rpool, sizeof *newhdr); + STRUCTCOPY(*header, *newhdr); + *tail = newhdr; + tail = &newhdr->h_link; + header = header->h_link; + } + *tail = NULL; + + return ret; +} +/* +** FIX_MIME_HEADER -- possibly truncate/rebalance parameters in a MIME header +** +** Run through all of the parameters of a MIME header and +** possibly truncate and rebalance the parameter according +** to MaxMimeFieldLength. +** +** Parameters: +** h -- the header to truncate/rebalance +** e -- the current envelope +** +** Returns: +** length of last offending field, 0 if all ok. +** +** Side Effects: +** string modified in place +*/ + +static size_t +fix_mime_header(h, e) + HDR *h; + ENVELOPE *e; +{ + char *begin = h->h_value; + char *end; + size_t len = 0; + size_t retlen = 0; + + if (begin == NULL || *begin == '\0') + return 0; + + /* Split on each ';' */ + /* find_character() never returns NULL */ + while ((end = find_character(begin, ';')) != NULL) + { + char save = *end; + char *bp; + + *end = '\0'; + + len = strlen(begin); + + /* Shorten individual parameter */ + if (shorten_rfc822_string(begin, MaxMimeFieldLength)) + { + if (len < MaxMimeFieldLength) + { + /* we only rebalanced a bogus field */ + sm_syslog(LOG_ALERT, e->e_id, + "Fixed MIME %s header field (possible attack)", + h->h_field); + if (tTd(34, 11)) + sm_dprintf(" fixed MIME %s header field (possible attack)\n", + h->h_field); + } + else + { + /* we actually shortened the header */ + retlen = len; + } + } + + /* Collapse the possibly shortened string with rest */ + bp = begin + strlen(begin); + if (bp != end) + { + char *ep = end; + + *end = save; + end = bp; + + /* copy character by character due to overlap */ + while (*ep != '\0') + *bp++ = *ep++; + *bp = '\0'; + } + else + *end = save; + if (*end == '\0') + break; + + /* Move past ';' */ + begin = end + 1; + } + return retlen; +} diff --git a/contrib/sendmail-8.13.4/sendmail/helpfile b/contrib/sendmail-8.13.4/sendmail/helpfile new file mode 100644 index 0000000000..af8bd15b75 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/helpfile @@ -0,0 +1,136 @@ +#vers 2 +cpyr +cpyr Copyright (c) 1998-2000, 2002, 2004 Sendmail, Inc. and its suppliers. +cpyr All rights reserved. +cpyr Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. +cpyr Copyright (c) 1988, 1993 +cpyr The Regents of the University of California. All rights reserved. +cpyr +cpyr +cpyr By using this file, you agree to the terms and conditions set +cpyr forth in the LICENSE file which can be found at the top level of +cpyr the sendmail distribution. +cpyr +cpyr $$Id: helpfile,v 8.43 2004/10/29 18:05:39 ca Exp $$ +cpyr +smtp This is sendmail version $v +smtp Topics: +smtp HELO EHLO MAIL RCPT DATA +smtp RSET NOOP QUIT HELP VRFY +smtp EXPN VERB ETRN DSN AUTH +smtp STARTTLS +smtp For more info use "HELP ". +smtp To report bugs in the implementation send email to +smtp sendmail-bugs@sendmail.org. +smtp For local information send email to Postmaster at your site. +help HELP [ ] +help The HELP command gives help info. +helo HELO +helo Introduce yourself. +ehlo EHLO +ehlo Introduce yourself, and request extended SMTP mode. +ehlo Possible replies include: +ehlo SEND Send as mail [RFC821] +ehlo SOML Send as mail or terminal [RFC821] +ehlo SAML Send as mail and terminal [RFC821] +ehlo EXPN Expand the mailing list [RFC821] +ehlo HELP Supply helpful information [RFC821] +ehlo TURN Turn the operation around [RFC821] +ehlo 8BITMIME Use 8-bit data [RFC1652] +ehlo SIZE Message size declaration [RFC1870] +ehlo VERB Verbose [Allman] +ehlo CHUNKING Chunking [RFC1830] +ehlo BINARYMIME Binary MIME [RFC1830] +ehlo PIPELINING Command Pipelining [RFC1854] +ehlo DSN Delivery Status Notification [RFC1891] +ehlo ETRN Remote Message Queue Starting [RFC1985] +ehlo STARTTLS Secure SMTP [RFC2487] +ehlo AUTH Authentication [RFC2554] +ehlo ENHANCEDSTATUSCODES Enhanced status codes [RFC2034] +ehlo DELIVERBY Deliver By [RFC2852] +mail MAIL FROM: [ ] +mail Specifies the sender. Parameters are ESMTP extensions. +mail See "HELP DSN" for details. +rcpt RCPT TO: [ ] +rcpt Specifies the recipient. Can be used any number of times. +rcpt Parameters are ESMTP extensions. See "HELP DSN" for details. +data DATA +data Following text is collected as the message. +data End with a single dot. +rset RSET +rset Resets the system. +quit QUIT +quit Exit sendmail (SMTP). +auth AUTH mechanism [initial-response] +auth Start authentication. +starttls STARTTLS +starttls Start TLS negotiation. +verb VERB +verb Go into verbose mode. This sends 0xy responses that are +verb not RFC821 standard (but should be) They are recognized +verb by humans and other sendmail implementations. +vrfy VRFY +vrfy Verify an address. If you want to see what it aliases +vrfy to, use EXPN instead. +expn EXPN +expn Expand an address. If the address indicates a mailing +expn list, return the contents of that list. +noop NOOP +noop Do nothing. +send SEND FROM: +send replaces the MAIL command, and can be used to send +send directly to a users terminal. Not supported in this +send implementation. +soml SOML FROM: +soml Send or mail. If the user is logged in, send directly, +soml otherwise mail. Not supported in this implementation. +saml SAML FROM: +saml Send and mail. Send directly to the user's terminal, +saml and also mail a letter. Not supported in this +saml implementation. +turn TURN +turn Reverses the direction of the connection. Not currently +turn implemented. +etrn ETRN [ | @ | # ] +etrn Run the queue for the specified , or +etrn all hosts within a given , or a specially-named +etrn (implementation-specific). +dsn MAIL FROM: [ RET={ FULL | HDRS} ] [ ENVID= ] +dsn RCPT TO: [ NOTIFY={NEVER,SUCCESS,FAILURE,DELAY} ] +dsn [ ORCPT= ] +dsn SMTP Delivery Status Notifications. +dsn Descriptions: +dsn RET Return either the full message or only headers. +dsn ENVID Sender's "envelope identifier" for tracking. +dsn NOTIFY When to send a DSN. Multiple options are OK, comma- +dsn delimited. NEVER must appear by itself. +dsn ORCPT Original recipient. +-bt Help for test mode: +-bt ? :this help message. +-bt .Dmvalue :define macro `m' to `value'. +-bt .Ccvalue :add `value' to class `c'. +-bt =Sruleset :dump the contents of the indicated ruleset. +-bt =M :display the known mailers. +-bt -ddebug-spec :equivalent to the command-line -d debug flag. +-bt $$m :print the value of macro $$m. +-bt $$=c :print the contents of class $$=c. +-bt /mx host :returns the MX records for `host'. +-bt /parse address :parse address, returning the value of crackaddr, and +-bt the parsed address. +-bt /try mailer addr :rewrite address into the form it will have when +-bt presented to the indicated mailer. +-bt /tryflags flags :set flags used by parsing. The flags can be `H' for +-bt Header or `E' for Envelope, and `S' for Sender or `R' +-bt for Recipient. These can be combined, `HR' sets +-bt flags for header recipients. +-bt /canon hostname :try to canonify hostname. +-bt /map mapname key :look up `key' in the indicated `mapname'. +-bt /quit :quit address test mode. +-bt rules addr :run the indicated address through the named rules. +-bt Rules can be a comma separated list of rules. +control Help for smcontrol: +control help This message. +control restart Restart sendmail. +control shutdown Shutdown sendmail. +control status Show sendmail status. +control memdump Dump allocated memory list (for debugging only). diff --git a/contrib/sendmail-8.13.4/sendmail/macro.c b/contrib/sendmail-8.13.4/sendmail/macro.c new file mode 100644 index 0000000000..af8f6d5b19 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/macro.c @@ -0,0 +1,598 @@ +/* + * Copyright (c) 1998-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: macro.c,v 8.88 2003/09/05 23:11:18 ca Exp $") + +#if MAXMACROID != (BITMAPBITS - 1) + ERROR Read the comment in conf.h +#endif /* MAXMACROID != (BITMAPBITS - 1) */ + +static char *MacroName[MAXMACROID + 1]; /* macro id to name table */ +int NextMacroId = 0240; /* codes for long named macros */ + +/* +** INITMACROS -- initialize the macro system +** +** This just involves defining some macros that are actually +** used internally as metasymbols to be themselves. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** initializes several macros to be themselves. +*/ + +struct metamac MetaMacros[] = +{ + /* LHS pattern matching characters */ + { '*', MATCHZANY }, { '+', MATCHANY }, { '-', MATCHONE }, + { '=', MATCHCLASS }, { '~', MATCHNCLASS }, + + /* these are RHS metasymbols */ + { '#', CANONNET }, { '@', CANONHOST }, { ':', CANONUSER }, + { '>', CALLSUBR }, + + /* the conditional operations */ + { '?', CONDIF }, { '|', CONDELSE }, { '.', CONDFI }, + + /* the hostname lookup characters */ + { '[', HOSTBEGIN }, { ']', HOSTEND }, + { '(', LOOKUPBEGIN }, { ')', LOOKUPEND }, + + /* miscellaneous control characters */ + { '&', MACRODEXPAND }, + + { '\0', '\0' } +}; + +#define MACBINDING(name, mid) \ + stab(name, ST_MACRO, ST_ENTER)->s_macro = mid; \ + MacroName[mid] = name; + +void +initmacros(e) + register ENVELOPE *e; +{ + register struct metamac *m; + register int c; + char buf[5]; + + for (m = MetaMacros; m->metaname != '\0'; m++) + { + buf[0] = m->metaval; + buf[1] = '\0'; + macdefine(&e->e_macro, A_TEMP, m->metaname, buf); + } + buf[0] = MATCHREPL; + buf[2] = '\0'; + for (c = '0'; c <= '9'; c++) + { + buf[1] = c; + macdefine(&e->e_macro, A_TEMP, c, buf); + } + + /* set defaults for some macros sendmail will use later */ + macdefine(&e->e_macro, A_PERM, 'n', "MAILER-DAEMON"); + + /* set up external names for some internal macros */ + MACBINDING("opMode", MID_OPMODE); + /*XXX should probably add equivalents for all short macros here XXX*/ +} +/* +** EXPAND -- macro expand a string using $x escapes. +** +** Parameters: +** s -- the string to expand. +** buf -- the place to put the expansion. +** bufsize -- the size of the buffer. +** e -- envelope in which to work. +** +** Returns: +** none. +** +** Side Effects: +** none. +*/ + +void +expand(s, buf, bufsize, e) + register char *s; + register char *buf; + size_t bufsize; + register ENVELOPE *e; +{ + register char *xp; + register char *q; + bool skipping; /* set if conditionally skipping output */ + bool recurse; /* set if recursion required */ + size_t i; + int skiplev; /* skipping nesting level */ + int iflev; /* if nesting level */ + char xbuf[MACBUFSIZE]; + static int explevel = 0; + + if (tTd(35, 24)) + { + sm_dprintf("expand("); + xputs(sm_debug_file(), s); + sm_dprintf(")\n"); + } + + recurse = false; + skipping = false; + skiplev = 0; + iflev = 0; + if (s == NULL) + s = ""; + for (xp = xbuf; *s != '\0'; s++) + { + int c; + + /* + ** Check for non-ordinary (special?) character. + ** 'q' will be the interpolated quantity. + */ + + q = NULL; + c = *s; + switch (c & 0377) + { + case CONDIF: /* see if var set */ + iflev++; + c = *++s; + if (skipping) + skiplev++; + else + { + char *mv; + + mv = macvalue(c, e); + skipping = (mv == NULL || *mv == '\0'); + } + continue; + + case CONDELSE: /* change state of skipping */ + if (iflev == 0) + break; /* XXX: error */ + if (skiplev == 0) + skipping = !skipping; + continue; + + case CONDFI: /* stop skipping */ + if (iflev == 0) + break; /* XXX: error */ + iflev--; + if (skiplev == 0) + skipping = false; + if (skipping) + skiplev--; + continue; + + case MACROEXPAND: /* macro interpolation */ + c = bitidx(*++s); + if (c != '\0') + q = macvalue(c, e); + else + { + s--; + q = NULL; + } + if (q == NULL) + continue; + break; + } + + /* + ** Interpolate q or output one character + */ + + if (skipping || xp >= &xbuf[sizeof xbuf - 1]) + continue; + if (q == NULL) + *xp++ = c; + else + { + /* copy to end of q or max space remaining in buf */ + while ((c = *q++) != '\0' && xp < &xbuf[sizeof xbuf - 1]) + { + /* check for any sendmail metacharacters */ + if ((c & 0340) == 0200) + recurse = true; + *xp++ = c; + } + } + } + *xp = '\0'; + + if (tTd(35, 24)) + { + sm_dprintf("expand ==> "); + xputs(sm_debug_file(), xbuf); + sm_dprintf("\n"); + } + + /* recurse as appropriate */ + if (recurse) + { + if (explevel < MaxMacroRecursion) + { + explevel++; + expand(xbuf, buf, bufsize, e); + explevel--; + return; + } + syserr("expand: recursion too deep (%d max)", + MaxMacroRecursion); + } + + /* copy results out */ + i = xp - xbuf; + if (i >= bufsize) + i = bufsize - 1; + memmove(buf, xbuf, i); + buf[i] = '\0'; +} + +/* +** MACDEFINE -- bind a macro name to a value +** +** Set a macro to a value, with fancy storage management. +** macdefine will make a copy of the value, if required, +** and will ensure that the storage for the previous value +** is not leaked. +** +** Parameters: +** mac -- Macro table. +** vclass -- storage class of 'value', ignored if value==NULL. +** A_HEAP means that the value was allocated by +** malloc, and that macdefine owns the storage. +** A_TEMP means that value points to temporary storage, +** and thus macdefine needs to make a copy. +** A_PERM means that value points to storage that +** will remain allocated and unchanged for +** at least the lifetime of mac. Use A_PERM if: +** -- value == NULL, +** -- value points to a string literal, +** -- value was allocated from mac->mac_rpool +** or (in the case of an envelope macro) +** from e->e_rpool, +** -- in the case of an envelope macro, +** value is a string member of the envelope +** such as e->e_sender. +** id -- Macro id. This is a single character macro name +** such as 'g', or a value returned by macid(). +** value -- Macro value: either NULL, or a string. +*/ + +void +#if SM_HEAP_CHECK +macdefine_tagged(mac, vclass, id, value, file, line, grp) +#else /* SM_HEAP_CHECK */ +macdefine(mac, vclass, id, value) +#endif /* SM_HEAP_CHECK */ + MACROS_T *mac; + ARGCLASS_T vclass; + int id; + char *value; +#if SM_HEAP_CHECK + char *file; + int line; + int grp; +#endif /* SM_HEAP_CHECK */ +{ + char *newvalue; + + if (id < 0 || id > MAXMACROID) + return; + + if (tTd(35, 9)) + { + sm_dprintf("%sdefine(%s as ", + mac->mac_table[id] == NULL ? "" : "re", macname(id)); + xputs(sm_debug_file(), value); + sm_dprintf(")\n"); + } + + if (mac->mac_rpool == NULL) + { + char *freeit = NULL; + + if (mac->mac_table[id] != NULL && + bitnset(id, mac->mac_allocated)) + freeit = mac->mac_table[id]; + + if (value == NULL || vclass == A_HEAP) + { + sm_heap_checkptr_tagged(value, file, line); + newvalue = value; + clrbitn(id, mac->mac_allocated); + } + else + { +#if SM_HEAP_CHECK + newvalue = sm_strdup_tagged_x(value, file, line, 0); +#else /* SM_HEAP_CHECK */ + newvalue = sm_strdup_x(value); +#endif /* SM_HEAP_CHECK */ + setbitn(id, mac->mac_allocated); + } + mac->mac_table[id] = newvalue; + if (freeit != NULL) + sm_free(freeit); + } + else + { + if (value == NULL || vclass == A_PERM) + newvalue = value; + else + newvalue = sm_rpool_strdup_x(mac->mac_rpool, value); + mac->mac_table[id] = newvalue; + if (vclass == A_HEAP) + sm_free(value); + } + +#if _FFR_RESET_MACRO_GLOBALS + switch (id) + { + case 'j': + PSTRSET(MyHostName, value); + break; + } +#endif /* _FFR_RESET_MACRO_GLOBALS */ +} + +/* +** MACSET -- set a named macro to a value (low level) +** +** No fancy storage management; the caller takes full responsibility. +** Often used with macget; see also macdefine. +** +** Parameters: +** mac -- Macro table. +** i -- Macro name, specified as an integer offset. +** value -- Macro value: either NULL, or a string. +*/ + +void +macset(mac, i, value) + MACROS_T *mac; + int i; + char *value; +{ + if (i < 0 || i > MAXMACROID) + return; + + if (tTd(35, 9)) + { + sm_dprintf("macset(%s as ", macname(i)); + xputs(sm_debug_file(), value); + sm_dprintf(")\n"); + } + mac->mac_table[i] = value; +} + +/* +** MACVALUE -- return uninterpreted value of a macro. +** +** Does fancy path searching. +** The low level counterpart is macget. +** +** Parameters: +** n -- the name of the macro. +** e -- envelope in which to start looking for the macro. +** +** Returns: +** The value of n. +** +** Side Effects: +** none. +*/ + +char * +macvalue(n, e) + int n; + register ENVELOPE *e; +{ + n = bitidx(n); + if (e != NULL && e->e_mci != NULL) + { + register char *p = e->e_mci->mci_macro.mac_table[n]; + + if (p != NULL) + return p; + } + while (e != NULL) + { + register char *p = e->e_macro.mac_table[n]; + + if (p != NULL) + return p; + if (e == e->e_parent) + break; + e = e->e_parent; + } + return GlobalMacros.mac_table[n]; +} +/* +** MACNAME -- return the name of a macro given its internal id +** +** Parameter: +** n -- the id of the macro +** +** Returns: +** The name of n. +** +** Side Effects: +** none. +*/ + +char * +macname(n) + int n; +{ + static char mbuf[2]; + + n = bitidx(n); + if (bitset(0200, n)) + { + char *p = MacroName[n]; + + if (p != NULL) + return p; + return "***UNDEFINED MACRO***"; + } + mbuf[0] = n; + mbuf[1] = '\0'; + return mbuf; +} +/* +** MACID_PARSE -- return id of macro identified by its name +** +** Parameters: +** p -- pointer to name string -- either a single +** character or {name}. +** ep -- filled in with the pointer to the byte +** after the name. +** +** Returns: +** 0 -- An error was detected. +** 1..255 -- The internal id code for this macro. +** +** Side Effects: +** If this is a new macro name, a new id is allocated. +** On error, syserr is called. +*/ + +int +macid_parse(p, ep) + register char *p; + char **ep; +{ + int mid; + register char *bp; + char mbuf[MAXMACNAMELEN + 1]; + + if (tTd(35, 14)) + { + sm_dprintf("macid("); + xputs(sm_debug_file(), p); + sm_dprintf(") => "); + } + + if (*p == '\0' || (p[0] == '{' && p[1] == '}')) + { + syserr("Name required for macro/class"); + if (ep != NULL) + *ep = p; + if (tTd(35, 14)) + sm_dprintf("NULL\n"); + return 0; + } + if (*p != '{') + { + /* the macro is its own code */ + if (ep != NULL) + *ep = p + 1; + if (tTd(35, 14)) + sm_dprintf("%c\n", bitidx(*p)); + return bitidx(*p); + } + bp = mbuf; + while (*++p != '\0' && *p != '}' && bp < &mbuf[sizeof mbuf - 1]) + { + if (isascii(*p) && (isalnum(*p) || *p == '_')) + *bp++ = *p; + else + syserr("Invalid macro/class character %c", *p); + } + *bp = '\0'; + mid = -1; + if (*p == '\0') + { + syserr("Unbalanced { on %s", mbuf); /* missing } */ + } + else if (*p != '}') + { + syserr("Macro/class name ({%s}) too long (%d chars max)", + mbuf, (int) (sizeof mbuf - 1)); + } + else if (mbuf[1] == '\0') + { + /* ${x} == $x */ + mid = bitidx(mbuf[0]); + p++; + } + else + { + register STAB *s; + + s = stab(mbuf, ST_MACRO, ST_ENTER); + if (s->s_macro != 0) + mid = s->s_macro; + else + { + if (NextMacroId > MAXMACROID) + { + syserr("Macro/class {%s}: too many long names", + mbuf); + s->s_macro = -1; + } + else + { + MacroName[NextMacroId] = s->s_name; + s->s_macro = mid = NextMacroId++; + } + } + p++; + } + if (ep != NULL) + *ep = p; + if (mid < 0 || mid > MAXMACROID) + { + syserr("Unable to assign macro/class ID (mid = 0x%x)", mid); + if (tTd(35, 14)) + sm_dprintf("NULL\n"); + return 0; + } + if (tTd(35, 14)) + sm_dprintf("0x%x\n", mid); + return mid; +} +/* +** WORDINCLASS -- tell if a word is in a specific class +** +** Parameters: +** str -- the name of the word to look up. +** cl -- the class name. +** +** Returns: +** true if str can be found in cl. +** false otherwise. +*/ + +bool +wordinclass(str, cl) + char *str; + int cl; +{ + register STAB *s; + + s = stab(str, ST_CLASS, ST_FIND); + return s != NULL && bitnset(bitidx(cl), s->s_class); +} diff --git a/contrib/sendmail-8.13.4/sendmail/mailq.1 b/contrib/sendmail-8.13.4/sendmail/mailq.1 new file mode 100644 index 0000000000..f67a9ddf99 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/mailq.1 @@ -0,0 +1,116 @@ +.\" Copyright (c) 1998-2000, 2002 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1983, 1997 Eric P. Allman. All rights reserved. +.\" Copyright (c) 1985, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: mailq.1,v 8.20 2002/06/27 22:47:34 gshapiro Exp $ +.\" +.TH MAILQ 1 "$Date: 2002/06/27 22:47:34 $" +.SH NAME +mailq +\- print the mail queue +.SH SYNOPSIS +.B mailq +.RB [ \-Ac ] +.RB [ \-q... ] +.RB [ \-v ] +.SH DESCRIPTION +.B Mailq +prints a summary of the mail messages queued for future delivery. +.PP +The first line printed for each message +shows the internal identifier used on this host +for the message with a possible status character, +the size of the message in bytes, +the date and time the message was accepted into the queue, +and the envelope sender of the message. +The second line shows the error message that caused this message +to be retained in the queue; +it will not be present if the message is being processed +for the first time. +The status characters are either +.B * +to indicate the job is being processed; +.B X +to indicate that the load is too high to process the job; and +.B - +to indicate that the job is too young to process. +The following lines show message recipients, +one per line. +.PP +.B Mailq +is identical to ``sendmail -bp''. +.PP +The relevant options are as follows: +.TP +.B \-Ac +Show the mail submission queue specified in +.I /etc/mail/submit.cf +instead of the MTA queue specified in +.IR /etc/mail/sendmail.cf . +.TP +.B \-qL +Show the "lost" items in the mail queue instead of the normal queue items. +.TP +.B \-qQ +Show the quarantined items in the mail queue instead of the normal queue +items. +.TP +\fB\-q\fR[\fI!\fR]I substr +Limit processed jobs to those containing +.I substr +as a substring of the queue id or not when +.I ! +is specified. +.TP +\fB\-q\fR[\fI!\fR]Q substr +Limit processed jobs to quarantined jobs containing +.I substr +as a substring of the quarantine reason or not when +.I ! +is specified. +.TP +\fB\-q\fR[\fI!\fR]R substr +Limit processed jobs to those containing +.I substr +as a substring of one of the recipients or not when +.I ! +is specified. +.TP +\fB\-q\fR[\fI!\fR]S substr +Limit processed jobs to those containing +.I substr +as a substring of the sender or not when +.I ! +is specified. +.TP +.B \-v +Print verbose information. +This adds the priority of the message and +a single character indicator (``+'' or blank) +indicating whether a warning message has been sent +on the first line of the message. +Additionally, extra lines may be intermixed with the recipients +indicating the ``controlling user'' information; +this shows who will own any programs that are executed +on behalf of this message +and the name of the alias this command expanded from, if any. +Moreover, status messages for each recipient are printed +if available. +.PP +The +.B mailq +utility exits 0 on success, and >0 if an error occurs. +.SH SEE ALSO +sendmail(8) +.SH HISTORY +The +.B mailq +command appeared in +4.0BSD. diff --git a/contrib/sendmail-8.13.4/sendmail/main.c b/contrib/sendmail-8.13.4/sendmail/main.c new file mode 100644 index 0000000000..f274ad871d --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/main.c @@ -0,0 +1,4391 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#define _DEFINE +#include +#include +#include + +#ifndef lint +SM_UNUSED(static char copyright[]) = +"@(#) Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.\n\ + Copyright (c) 1988, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* ! lint */ + +SM_RCSID("@(#)$Id: main.c,v 8.939 2004/06/17 16:39:21 ca Exp $") + + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +/* for getcfname() */ +#include + +static SM_DEBUG_T +DebugNoPRestart = SM_DEBUG_INITIALIZER("no_persistent_restart", + "@(#)$Debug: no_persistent_restart - don't restart, log only $"); + +static void dump_class __P((STAB *, int)); +static void obsolete __P((char **)); +static void testmodeline __P((char *, ENVELOPE *)); +static char *getextenv __P((const char *)); +static void sm_printoptions __P((char **)); +static SIGFUNC_DECL intindebug __P((int)); +static SIGFUNC_DECL sighup __P((int)); +static SIGFUNC_DECL sigpipe __P((int)); +static SIGFUNC_DECL sigterm __P((int)); +#ifdef SIGUSR1 +static SIGFUNC_DECL sigusr1 __P((int)); +#endif /* SIGUSR1 */ + +/* +** SENDMAIL -- Post mail to a set of destinations. +** +** This is the basic mail router. All user mail programs should +** call this routine to actually deliver mail. Sendmail in +** turn calls a bunch of mail servers that do the real work of +** delivering the mail. +** +** Sendmail is driven by settings read in from /etc/mail/sendmail.cf +** (read by readcf.c). +** +** Usage: +** /usr/lib/sendmail [flags] addr ... +** +** See the associated documentation for details. +** +** Authors: +** Eric Allman, UCB/INGRES (until 10/81). +** Britton-Lee, Inc., purveyors of fine +** database computers (11/81 - 10/88). +** International Computer Science Institute +** (11/88 - 9/89). +** UCB/Mammoth Project (10/89 - 7/95). +** InReference, Inc. (8/95 - 1/97). +** Sendmail, Inc. (1/98 - present). +** The support of my employers is gratefully acknowledged. +** Few of them (Britton-Lee in particular) have had +** anything to gain from my involvement in this project. +** +** Gregory Neil Shapiro, +** Worcester Polytechnic Institute (until 3/98). +** Sendmail, Inc. (3/98 - present). +** +** Claus Assmann, +** Sendmail, Inc. (12/98 - present). +*/ + +char *FullName; /* sender's full name */ +ENVELOPE BlankEnvelope; /* a "blank" envelope */ +static ENVELOPE MainEnvelope; /* the envelope around the basic letter */ +ADDRESS NullAddress = /* a null address */ + { "", "", NULL, "" }; +char *CommandLineArgs; /* command line args for pid file */ +bool Warn_Q_option = false; /* warn about Q option use */ +static int MissingFds = 0; /* bit map of fds missing on startup */ +char *Mbdb = "pw"; /* mailbox database defaults to /etc/passwd */ + +#ifdef NGROUPS_MAX +GIDSET_T InitialGidSet[NGROUPS_MAX]; +#endif /* NGROUPS_MAX */ + +#define MAXCONFIGLEVEL 10 /* highest config version level known */ + +#if SASL +static sasl_callback_t srvcallbacks[] = +{ + { SASL_CB_VERIFYFILE, &safesaslfile, NULL }, + { SASL_CB_PROXY_POLICY, &proxy_policy, NULL }, + { SASL_CB_LIST_END, NULL, NULL } +}; +#endif /* SASL */ + +unsigned int SubmitMode; +int SyslogPrefixLen; /* estimated length of syslog prefix */ +#define PIDLEN 6 /* pid length for computing SyslogPrefixLen */ +#ifndef SL_FUDGE +# define SL_FUDGE 10 /* fudge offset for SyslogPrefixLen */ +#endif /* ! SL_FUDGE */ +#define SLDLL 8 /* est. length of default syslog label */ + + +/* Some options are dangerous to allow users to use in non-submit mode */ +#define CHECK_AGAINST_OPMODE(cmd) \ +{ \ + if (extraprivs && \ + OpMode != MD_DELIVER && OpMode != MD_SMTP && \ + OpMode != MD_ARPAFTP && \ + OpMode != MD_VERIFY && OpMode != MD_TEST) \ + { \ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, \ + "WARNING: Ignoring submission mode -%c option (not in submission mode)\n", \ + (cmd)); \ + break; \ + } \ + if (extraprivs && queuerun) \ + { \ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, \ + "WARNING: Ignoring submission mode -%c option with -q\n", \ + (cmd)); \ + break; \ + } \ +} + +int +main(argc, argv, envp) + int argc; + char **argv; + char **envp; +{ + register char *p; + char **av; + extern char Version[]; + char *ep, *from; + STAB *st; + register int i; + int j; + int dp; + int fill_errno; + int qgrp = NOQGRP; /* queue group to process */ + bool safecf = true; + BITMAP256 *p_flags = NULL; /* daemon flags */ + bool warn_C_flag = false; + bool auth = true; /* whether to set e_auth_param */ + char warn_f_flag = '\0'; + bool run_in_foreground = false; /* -bD mode */ + bool queuerun = false, debug = false; + struct passwd *pw; + struct hostent *hp; + char *nullserver = NULL; + char *authinfo = NULL; + char *sysloglabel = NULL; /* label for syslog */ + char *conffile = NULL; /* name of .cf file */ + char *queuegroup = NULL; /* queue group to process */ + char *quarantining = NULL; /* quarantine queue items? */ + bool extraprivs; + bool forged, negate; + bool queuepersistent = false; /* queue runner process runs forever */ + bool foregroundqueue = false; /* queue run in foreground */ + bool save_val; /* to save some bool var. */ + int cftype; /* which cf file to use? */ + SM_FILE_T *smdebug; + static time_t starttime = 0; /* when was process started */ + struct stat traf_st; /* for TrafficLog FIFO check */ + char buf[MAXLINE]; + char jbuf[MAXHOSTNAMELEN]; /* holds MyHostName */ + static char rnamebuf[MAXNAME]; /* holds RealUserName */ + char *emptyenviron[1]; +#if STARTTLS + bool tls_ok; +#endif /* STARTTLS */ + QUEUE_CHAR *new; + ENVELOPE *e; + extern int DtableSize; + extern int optind; + extern int opterr; + extern char *optarg; + extern char **environ; +#if SASL + extern void sm_sasl_init __P((void)); +#endif /* SASL */ + +#if USE_ENVIRON + envp = environ; +#endif /* USE_ENVIRON */ + + /* turn off profiling */ + SM_PROF(0); + + /* install default exception handler */ + sm_exc_newthread(fatal_error); + + /* set the default in/out channel so errors reported to screen */ + InChannel = smioin; + OutChannel = smioout; + + /* + ** Check to see if we reentered. + ** This would normally happen if e_putheader or e_putbody + ** were NULL when invoked. + */ + + if (starttime != 0) + { + syserr("main: reentered!"); + abort(); + } + starttime = curtime(); + + /* avoid null pointer dereferences */ + TermEscape.te_rv_on = TermEscape.te_rv_off = ""; + + RealUid = getuid(); + RealGid = getgid(); + + /* Check if sendmail is running with extra privs */ + extraprivs = (RealUid != 0 && + (geteuid() != getuid() || getegid() != getgid())); + + CurrentPid = getpid(); + + /* get whatever .cf file is right for the opmode */ + cftype = SM_GET_RIGHT_CF; + + /* in 4.4BSD, the table can be huge; impose a reasonable limit */ + DtableSize = getdtsize(); + if (DtableSize > 256) + DtableSize = 256; + + /* + ** Be sure we have enough file descriptors. + ** But also be sure that 0, 1, & 2 are open. + */ + + /* reset errno and fill_errno; the latter is used way down below */ + errno = fill_errno = 0; + fill_fd(STDIN_FILENO, NULL); + if (errno != 0) + fill_errno = errno; + fill_fd(STDOUT_FILENO, NULL); + if (errno != 0) + fill_errno = errno; + fill_fd(STDERR_FILENO, NULL); + if (errno != 0) + fill_errno = errno; + + sm_closefrom(STDERR_FILENO + 1, DtableSize); + errno = 0; + smdebug = NULL; + +#if LOG +# ifndef SM_LOG_STR +# define SM_LOG_STR "sendmail" +# endif /* ! SM_LOG_STR */ +# ifdef LOG_MAIL + openlog(SM_LOG_STR, LOG_PID, LOG_MAIL); +# else /* LOG_MAIL */ + openlog(SM_LOG_STR, LOG_PID); +# endif /* LOG_MAIL */ +#endif /* LOG */ + + /* + ** Seed the random number generator. + ** Used for queue file names, picking a queue directory, and + ** MX randomization. + */ + + seed_random(); + + /* do machine-dependent initializations */ + init_md(argc, argv); + + + SyslogPrefixLen = PIDLEN + (MAXQFNAME - 3) + SL_FUDGE + SLDLL; + + /* reset status from syserr() calls for missing file descriptors */ + Errors = 0; + ExitStat = EX_OK; + + SubmitMode = SUBMIT_UNKNOWN; +#if XDEBUG + checkfd012("after openlog"); +#endif /* XDEBUG */ + + tTsetup(tTdvect, sizeof tTdvect, "0-99.1,*_trace_*.1"); + +#ifdef NGROUPS_MAX + /* save initial group set for future checks */ + i = getgroups(NGROUPS_MAX, InitialGidSet); + if (i <= 0) + { + InitialGidSet[0] = (GID_T) -1; + i = 0; + } + while (i < NGROUPS_MAX) + InitialGidSet[i++] = InitialGidSet[0]; +#endif /* NGROUPS_MAX */ + + /* drop group id privileges (RunAsUser not yet set) */ + dp = drop_privileges(false); + setstat(dp); + +#ifdef SIGUSR1 + /* Only allow root (or non-set-*-ID binaries) to use SIGUSR1 */ + if (!extraprivs) + { + /* arrange to dump state on user-1 signal */ + (void) sm_signal(SIGUSR1, sigusr1); + } + else + { + /* ignore user-1 signal */ + (void) sm_signal(SIGUSR1, SIG_IGN); + } +#endif /* SIGUSR1 */ + + /* initialize for setproctitle */ + initsetproctitle(argc, argv, envp); + + /* Handle any non-getoptable constructions. */ + obsolete(argv); + + /* + ** Do a quick prescan of the argument list. + */ + + + /* find initial opMode */ + OpMode = MD_DELIVER; + av = argv; + p = strrchr(*av, '/'); + if (p++ == NULL) + p = *av; + if (strcmp(p, "newaliases") == 0) + OpMode = MD_INITALIAS; + else if (strcmp(p, "mailq") == 0) + OpMode = MD_PRINT; + else if (strcmp(p, "smtpd") == 0) + OpMode = MD_DAEMON; + else if (strcmp(p, "hoststat") == 0) + OpMode = MD_HOSTSTAT; + else if (strcmp(p, "purgestat") == 0) + OpMode = MD_PURGESTAT; + +#if defined(__osf__) || defined(_AIX3) +# define OPTIONS "A:B:b:C:cD:d:e:F:f:Gh:IiL:M:mN:nO:o:p:Q:q:R:r:sTtV:vX:x" +#endif /* defined(__osf__) || defined(_AIX3) */ +#if defined(sony_news) +# define OPTIONS "A:B:b:C:cD:d:E:e:F:f:Gh:IiJ:L:M:mN:nO:o:p:Q:q:R:r:sTtV:vX:" +#endif /* defined(sony_news) */ +#ifndef OPTIONS +# define OPTIONS "A:B:b:C:cD:d:e:F:f:Gh:IiL:M:mN:nO:o:p:Q:q:R:r:sTtV:vX:" +#endif /* ! OPTIONS */ + + /* Set to 0 to allow -b; need to check optarg before using it! */ + opterr = 0; + while ((j = getopt(argc, argv, OPTIONS)) != -1) + { + switch (j) + { + case 'b': /* operations mode */ + j = (optarg == NULL) ? ' ' : *optarg; + switch (j) + { + case MD_DAEMON: + case MD_FGDAEMON: + case MD_SMTP: + case MD_INITALIAS: + case MD_DELIVER: + case MD_VERIFY: + case MD_TEST: + case MD_PRINT: + case MD_PRINTNQE: + case MD_HOSTSTAT: + case MD_PURGESTAT: + case MD_ARPAFTP: + OpMode = j; + break; + + case MD_FREEZE: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Frozen configurations unsupported\n"); + return EX_USAGE; + + default: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Invalid operation mode %c\n", + j); + return EX_USAGE; + } + break; + + case 'D': + if (debug) + { + errno = 0; + syserr("-D file must be before -d"); + ExitStat = EX_USAGE; + break; + } + dp = drop_privileges(true); + setstat(dp); + smdebug = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, + optarg, SM_IO_APPEND, NULL); + if (smdebug == NULL) + { + syserr("cannot open %s", optarg); + ExitStat = EX_CANTCREAT; + break; + } + sm_debug_setfile(smdebug); + break; + + case 'd': + debug = true; + tTflag(optarg); + (void) sm_io_setvbuf(sm_debug_file(), SM_TIME_DEFAULT, + (char *) NULL, SM_IO_NBF, + SM_IO_BUFSIZ); + break; + + case 'G': /* relay (gateway) submission */ + SubmitMode = SUBMIT_MTA; + break; + + case 'L': + if (optarg == NULL) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "option requires an argument -- '%c'", + (char) j); + return EX_USAGE; + } + j = SM_MIN(strlen(optarg), 32) + 1; + sysloglabel = xalloc(j); + (void) sm_strlcpy(sysloglabel, optarg, j); + SyslogPrefixLen = PIDLEN + (MAXQFNAME - 3) + + SL_FUDGE + j; + break; + + case 'Q': + case 'q': + /* just check if it is there */ + queuerun = true; + break; + } + } + opterr = 1; + + /* Don't leak queue information via debug flags */ + if (extraprivs && queuerun && debug) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "WARNING: Can not use -d with -q. Disabling debugging.\n"); + sm_debug_close(); + sm_debug_setfile(NULL); + (void) memset(tTdvect, '\0', sizeof tTdvect); + } + +#if LOG + if (sysloglabel != NULL) + { + /* Sanitize the string */ + for (p = sysloglabel; *p != '\0'; p++) + { + if (!isascii(*p) || !isprint(*p) || *p == '%') + *p = '*'; + } + closelog(); +# ifdef LOG_MAIL + openlog(sysloglabel, LOG_PID, LOG_MAIL); +# else /* LOG_MAIL */ + openlog(sysloglabel, LOG_PID); +# endif /* LOG_MAIL */ + } +#endif /* LOG */ + + /* set up the blank envelope */ + BlankEnvelope.e_puthdr = putheader; + BlankEnvelope.e_putbody = putbody; + BlankEnvelope.e_xfp = NULL; + STRUCTCOPY(NullAddress, BlankEnvelope.e_from); + CurEnv = &BlankEnvelope; + STRUCTCOPY(NullAddress, MainEnvelope.e_from); + + /* + ** Set default values for variables. + ** These cannot be in initialized data space. + */ + + setdefaults(&BlankEnvelope); + initmacros(&BlankEnvelope); + + /* reset macro */ + set_op_mode(OpMode); + + pw = sm_getpwuid(RealUid); + if (pw != NULL) + (void) sm_strlcpy(rnamebuf, pw->pw_name, sizeof rnamebuf); + else + (void) sm_snprintf(rnamebuf, sizeof rnamebuf, "Unknown UID %d", + (int) RealUid); + + RealUserName = rnamebuf; + + if (tTd(0, 101)) + { + sm_dprintf("Version %s\n", Version); + finis(false, true, EX_OK); + /* NOTREACHED */ + } + + /* + ** if running non-set-user-ID binary as non-root, pretend + ** we are the RunAsUid + */ + + if (RealUid != 0 && geteuid() == RealUid) + { + if (tTd(47, 1)) + sm_dprintf("Non-set-user-ID binary: RunAsUid = RealUid = %d\n", + (int) RealUid); + RunAsUid = RealUid; + } + else if (geteuid() != 0) + RunAsUid = geteuid(); + + EffGid = getegid(); + if (RealUid != 0 && EffGid == RealGid) + RunAsGid = RealGid; + + if (tTd(47, 5)) + { + sm_dprintf("main: e/ruid = %d/%d e/rgid = %d/%d\n", + (int) geteuid(), (int) getuid(), + (int) getegid(), (int) getgid()); + sm_dprintf("main: RunAsUser = %d:%d\n", + (int) RunAsUid, (int) RunAsGid); + } + + /* save command line arguments */ + j = 0; + for (av = argv; *av != NULL; ) + j += strlen(*av++) + 1; + SaveArgv = (char **) xalloc(sizeof (char *) * (argc + 1)); + CommandLineArgs = xalloc(j); + p = CommandLineArgs; + for (av = argv, i = 0; *av != NULL; ) + { + int h; + + SaveArgv[i++] = newstr(*av); + if (av != argv) + *p++ = ' '; + (void) sm_strlcpy(p, *av++, j); + h = strlen(p); + p += h; + j -= h + 1; + } + SaveArgv[i] = NULL; + + if (tTd(0, 1)) + { + extern char *CompileOptions[]; + + sm_dprintf("Version %s\n Compiled with:", Version); + sm_printoptions(CompileOptions); + } + if (tTd(0, 10)) + { + extern char *OsCompileOptions[]; + + sm_dprintf(" OS Defines:"); + sm_printoptions(OsCompileOptions); +#ifdef _PATH_UNIX + sm_dprintf("Kernel symbols:\t%s\n", _PATH_UNIX); +#endif /* _PATH_UNIX */ + + sm_dprintf(" Conf file:\t%s (default for MSP)\n", + getcfname(OpMode, SubmitMode, SM_GET_SUBMIT_CF, + conffile)); + sm_dprintf(" Conf file:\t%s (default for MTA)\n", + getcfname(OpMode, SubmitMode, SM_GET_SENDMAIL_CF, + conffile)); + sm_dprintf(" Pid file:\t%s (default)\n", PidFile); + } + + if (tTd(0, 12)) + { + extern char *SmCompileOptions[]; + + sm_dprintf(" libsm Defines:"); + sm_printoptions(SmCompileOptions); + } + + if (tTd(0, 13)) + { + extern char *FFRCompileOptions[]; + + sm_dprintf(" FFR Defines:"); + sm_printoptions(FFRCompileOptions); + } + + /* clear sendmail's environment */ + ExternalEnviron = environ; + emptyenviron[0] = NULL; + environ = emptyenviron; + + /* + ** restore any original TZ setting until TimeZoneSpec has been + ** determined - or early log messages may get bogus time stamps + */ + + if ((p = getextenv("TZ")) != NULL) + { + char *tz; + int tzlen; + + /* XXX check for reasonable length? */ + tzlen = strlen(p) + 4; + tz = xalloc(tzlen); + (void) sm_strlcpyn(tz, tzlen, 2, "TZ=", p); + + /* XXX check return code? */ + (void) putenv(tz); + } + + /* prime the child environment */ + setuserenv("AGENT", "sendmail"); + + (void) sm_signal(SIGPIPE, SIG_IGN); + OldUmask = umask(022); + FullName = getextenv("NAME"); + if (FullName != NULL) + FullName = newstr(FullName); + + /* + ** Initialize name server if it is going to be used. + */ + +#if NAMED_BIND + if (!bitset(RES_INIT, _res.options)) + (void) res_init(); + if (tTd(8, 8)) + _res.options |= RES_DEBUG; + else + _res.options &= ~RES_DEBUG; +# ifdef RES_NOALIASES + _res.options |= RES_NOALIASES; +# endif /* RES_NOALIASES */ + TimeOuts.res_retry[RES_TO_DEFAULT] = _res.retry; + TimeOuts.res_retry[RES_TO_FIRST] = _res.retry; + TimeOuts.res_retry[RES_TO_NORMAL] = _res.retry; + TimeOuts.res_retrans[RES_TO_DEFAULT] = _res.retrans; + TimeOuts.res_retrans[RES_TO_FIRST] = _res.retrans; + TimeOuts.res_retrans[RES_TO_NORMAL] = _res.retrans; +#endif /* NAMED_BIND */ + + errno = 0; + from = NULL; + + /* initialize some macros, etc. */ + init_vendor_macros(&BlankEnvelope); + + /* version */ + macdefine(&BlankEnvelope.e_macro, A_PERM, 'v', Version); + + /* hostname */ + hp = myhostname(jbuf, sizeof jbuf); + if (jbuf[0] != '\0') + { + struct utsname utsname; + + if (tTd(0, 4)) + sm_dprintf("Canonical name: %s\n", jbuf); + macdefine(&BlankEnvelope.e_macro, A_TEMP, 'w', jbuf); + macdefine(&BlankEnvelope.e_macro, A_TEMP, 'j', jbuf); + setclass('w', jbuf); + + p = strchr(jbuf, '.'); + if (p != NULL && p[1] != '\0') + macdefine(&BlankEnvelope.e_macro, A_TEMP, 'm', &p[1]); + + if (uname(&utsname) >= 0) + p = utsname.nodename; + else + { + if (tTd(0, 22)) + sm_dprintf("uname failed (%s)\n", + sm_errstring(errno)); + makelower(jbuf); + p = jbuf; + } + if (tTd(0, 4)) + sm_dprintf(" UUCP nodename: %s\n", p); + macdefine(&BlankEnvelope.e_macro, A_TEMP, 'k', p); + setclass('k', p); + setclass('w', p); + } + if (hp != NULL) + { + for (av = hp->h_aliases; av != NULL && *av != NULL; av++) + { + if (tTd(0, 4)) + sm_dprintf("\ta.k.a.: %s\n", *av); + setclass('w', *av); + } +#if NETINET || NETINET6 + for (i = 0; i >= 0 && hp->h_addr_list[i] != NULL; i++) + { +# if NETINET6 + char *addr; + char buf6[INET6_ADDRSTRLEN]; + struct in6_addr ia6; +# endif /* NETINET6 */ +# if NETINET + struct in_addr ia; +# endif /* NETINET */ + char ipbuf[103]; + + ipbuf[0] = '\0'; + switch (hp->h_addrtype) + { +# if NETINET + case AF_INET: + if (hp->h_length != INADDRSZ) + break; + + memmove(&ia, hp->h_addr_list[i], INADDRSZ); + (void) sm_snprintf(ipbuf, sizeof ipbuf, + "[%.100s]", inet_ntoa(ia)); + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + if (hp->h_length != IN6ADDRSZ) + break; + + memmove(&ia6, hp->h_addr_list[i], IN6ADDRSZ); + addr = anynet_ntop(&ia6, buf6, sizeof buf6); + if (addr != NULL) + (void) sm_snprintf(ipbuf, sizeof ipbuf, + "[%.100s]", addr); + break; +# endif /* NETINET6 */ + } + if (ipbuf[0] == '\0') + break; + + if (tTd(0, 4)) + sm_dprintf("\ta.k.a.: %s\n", ipbuf); + setclass('w', ipbuf); + } +#endif /* NETINET || NETINET6 */ +#if NETINET6 + freehostent(hp); + hp = NULL; +#endif /* NETINET6 */ + } + + /* current time */ + macdefine(&BlankEnvelope.e_macro, A_TEMP, 'b', arpadate((char *) NULL)); + + /* current load average */ + sm_getla(); + + QueueLimitRecipient = (QUEUE_CHAR *) NULL; + QueueLimitSender = (QUEUE_CHAR *) NULL; + QueueLimitId = (QUEUE_CHAR *) NULL; + QueueLimitQuarantine = (QUEUE_CHAR *) NULL; + + /* + ** Crack argv. + */ + + optind = 1; + while ((j = getopt(argc, argv, OPTIONS)) != -1) + { + switch (j) + { + case 'b': /* operations mode */ + /* already done */ + break; + + case 'A': /* use Alternate sendmail/submit.cf */ + cftype = optarg[0] == 'c' ? SM_GET_SUBMIT_CF + : SM_GET_SENDMAIL_CF; + break; + + case 'B': /* body type */ + CHECK_AGAINST_OPMODE(j); + BlankEnvelope.e_bodytype = newstr(optarg); + break; + + case 'C': /* select configuration file (already done) */ + if (RealUid != 0) + warn_C_flag = true; + conffile = newstr(optarg); + dp = drop_privileges(true); + setstat(dp); + safecf = false; + break; + + case 'D': + case 'd': /* debugging */ + /* already done */ + break; + + case 'f': /* from address */ + case 'r': /* obsolete -f flag */ + CHECK_AGAINST_OPMODE(j); + if (from != NULL) + { + usrerr("More than one \"from\" person"); + ExitStat = EX_USAGE; + break; + } + if (optarg[0] == '\0') + from = newstr("<>"); + else + from = newstr(denlstring(optarg, true, true)); + if (strcmp(RealUserName, from) != 0) + warn_f_flag = j; + break; + + case 'F': /* set full name */ + CHECK_AGAINST_OPMODE(j); + FullName = newstr(optarg); + break; + + case 'G': /* relay (gateway) submission */ + /* already set */ + CHECK_AGAINST_OPMODE(j); + break; + + case 'h': /* hop count */ + CHECK_AGAINST_OPMODE(j); + BlankEnvelope.e_hopcount = (short) strtol(optarg, &ep, + 10); + (void) sm_snprintf(buf, sizeof buf, "%d", + BlankEnvelope.e_hopcount); + macdefine(&BlankEnvelope.e_macro, A_TEMP, 'c', buf); + + if (*ep) + { + usrerr("Bad hop count (%s)", optarg); + ExitStat = EX_USAGE; + } + break; + + case 'L': /* program label */ + /* already set */ + break; + + case 'n': /* don't alias */ + CHECK_AGAINST_OPMODE(j); + NoAlias = true; + break; + + case 'N': /* delivery status notifications */ + CHECK_AGAINST_OPMODE(j); + DefaultNotify |= QHASNOTIFY; + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{dsn_notify}"), optarg); + if (sm_strcasecmp(optarg, "never") == 0) + break; + for (p = optarg; p != NULL; optarg = p) + { + p = strchr(p, ','); + if (p != NULL) + *p++ = '\0'; + if (sm_strcasecmp(optarg, "success") == 0) + DefaultNotify |= QPINGONSUCCESS; + else if (sm_strcasecmp(optarg, "failure") == 0) + DefaultNotify |= QPINGONFAILURE; + else if (sm_strcasecmp(optarg, "delay") == 0) + DefaultNotify |= QPINGONDELAY; + else + { + usrerr("Invalid -N argument"); + ExitStat = EX_USAGE; + } + } + break; + + case 'o': /* set option */ + setoption(*optarg, optarg + 1, false, true, + &BlankEnvelope); + break; + + case 'O': /* set option (long form) */ + setoption(' ', optarg, false, true, &BlankEnvelope); + break; + + case 'p': /* set protocol */ + CHECK_AGAINST_OPMODE(j); + p = strchr(optarg, ':'); + if (p != NULL) + { + *p++ = '\0'; + if (*p != '\0') + { + i = strlen(p) + 1; + ep = sm_malloc_x(i); + cleanstrcpy(ep, p, i); + macdefine(&BlankEnvelope.e_macro, + A_HEAP, 's', ep); + } + } + if (*optarg != '\0') + { + i = strlen(optarg) + 1; + ep = sm_malloc_x(i); + cleanstrcpy(ep, optarg, i); + macdefine(&BlankEnvelope.e_macro, A_HEAP, + 'r', ep); + } + break; + + case 'Q': /* change quarantining on queued items */ + /* sanity check */ + if (OpMode != MD_DELIVER && + OpMode != MD_QUEUERUN) + { + usrerr("Can not use -Q with -b%c", OpMode); + ExitStat = EX_USAGE; + break; + } + + if (OpMode == MD_DELIVER) + set_op_mode(MD_QUEUERUN); + + FullName = NULL; + + quarantining = newstr(optarg); + break; + + case 'q': /* run queue files at intervals */ + /* sanity check */ + if (OpMode != MD_DELIVER && + OpMode != MD_DAEMON && + OpMode != MD_FGDAEMON && + OpMode != MD_PRINT && + OpMode != MD_PRINTNQE && + OpMode != MD_QUEUERUN) + { + usrerr("Can not use -q with -b%c", OpMode); + ExitStat = EX_USAGE; + break; + } + + /* don't override -bd, -bD or -bp */ + if (OpMode == MD_DELIVER) + set_op_mode(MD_QUEUERUN); + + FullName = NULL; + negate = optarg[0] == '!'; + if (negate) + { + /* negate meaning of pattern match */ + optarg++; /* skip '!' for next switch */ + } + + switch (optarg[0]) + { + case 'G': /* Limit by queue group name */ + if (negate) + { + usrerr("Can not use -q!G"); + ExitStat = EX_USAGE; + break; + } + if (queuegroup != NULL) + { + usrerr("Can not use multiple -qG options"); + ExitStat = EX_USAGE; + break; + } + queuegroup = newstr(&optarg[1]); + break; + + case 'I': /* Limit by ID */ + new = (QUEUE_CHAR *) xalloc(sizeof *new); + new->queue_match = newstr(&optarg[1]); + new->queue_negate = negate; + new->queue_next = QueueLimitId; + QueueLimitId = new; + break; + + case 'R': /* Limit by recipient */ + new = (QUEUE_CHAR *) xalloc(sizeof *new); + new->queue_match = newstr(&optarg[1]); + new->queue_negate = negate; + new->queue_next = QueueLimitRecipient; + QueueLimitRecipient = new; + break; + + case 'S': /* Limit by sender */ + new = (QUEUE_CHAR *) xalloc(sizeof *new); + new->queue_match = newstr(&optarg[1]); + new->queue_negate = negate; + new->queue_next = QueueLimitSender; + QueueLimitSender = new; + break; + + case 'f': /* foreground queue run */ + foregroundqueue = true; + break; + + case 'Q': /* Limit by quarantine message */ + if (optarg[1] != '\0') + { + new = (QUEUE_CHAR *) xalloc(sizeof *new); + new->queue_match = newstr(&optarg[1]); + new->queue_negate = negate; + new->queue_next = QueueLimitQuarantine; + QueueLimitQuarantine = new; + } + QueueMode = QM_QUARANTINE; + break; + + case 'L': /* act on lost items */ + QueueMode = QM_LOST; + break; + + case 'p': /* Persistent queue */ + queuepersistent = true; + if (QueueIntvl == 0) + QueueIntvl = 1; + if (optarg[1] == '\0') + break; + ++optarg; + /* FALLTHROUGH */ + + default: + i = Errors; + QueueIntvl = convtime(optarg, 'm'); + if (QueueIntvl < 0) + { + usrerr("Invalid -q value"); + ExitStat = EX_USAGE; + } + + /* check for bad conversion */ + if (i < Errors) + ExitStat = EX_USAGE; + break; + } + break; + + case 'R': /* DSN RET: what to return */ + CHECK_AGAINST_OPMODE(j); + if (bitset(EF_RET_PARAM, BlankEnvelope.e_flags)) + { + usrerr("Duplicate -R flag"); + ExitStat = EX_USAGE; + break; + } + BlankEnvelope.e_flags |= EF_RET_PARAM; + if (sm_strcasecmp(optarg, "hdrs") == 0) + BlankEnvelope.e_flags |= EF_NO_BODY_RETN; + else if (sm_strcasecmp(optarg, "full") != 0) + { + usrerr("Invalid -R value"); + ExitStat = EX_USAGE; + } + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{dsn_ret}"), optarg); + break; + + case 't': /* read recipients from message */ + CHECK_AGAINST_OPMODE(j); + GrabTo = true; + break; + + case 'V': /* DSN ENVID: set "original" envelope id */ + CHECK_AGAINST_OPMODE(j); + if (!xtextok(optarg)) + { + usrerr("Invalid syntax in -V flag"); + ExitStat = EX_USAGE; + } + else + { + BlankEnvelope.e_envid = newstr(optarg); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{dsn_envid}"), optarg); + } + break; + + case 'X': /* traffic log file */ + dp = drop_privileges(true); + setstat(dp); + if (stat(optarg, &traf_st) == 0 && + S_ISFIFO(traf_st.st_mode)) + TrafficLogFile = sm_io_open(SmFtStdio, + SM_TIME_DEFAULT, + optarg, + SM_IO_WRONLY, NULL); + else + TrafficLogFile = sm_io_open(SmFtStdio, + SM_TIME_DEFAULT, + optarg, + SM_IO_APPEND, NULL); + if (TrafficLogFile == NULL) + { + syserr("cannot open %s", optarg); + ExitStat = EX_CANTCREAT; + break; + } + (void) sm_io_setvbuf(TrafficLogFile, SM_TIME_DEFAULT, + NULL, SM_IO_LBF, 0); + break; + + /* compatibility flags */ + case 'c': /* connect to non-local mailers */ + case 'i': /* don't let dot stop me */ + case 'm': /* send to me too */ + case 'T': /* set timeout interval */ + case 'v': /* give blow-by-blow description */ + setoption(j, "T", false, true, &BlankEnvelope); + break; + + case 'e': /* error message disposition */ + case 'M': /* define macro */ + setoption(j, optarg, false, true, &BlankEnvelope); + break; + + case 's': /* save From lines in headers */ + setoption('f', "T", false, true, &BlankEnvelope); + break; + +#ifdef DBM + case 'I': /* initialize alias DBM file */ + set_op_mode(MD_INITALIAS); + break; +#endif /* DBM */ + +#if defined(__osf__) || defined(_AIX3) + case 'x': /* random flag that OSF/1 & AIX mailx passes */ + break; +#endif /* defined(__osf__) || defined(_AIX3) */ +#if defined(sony_news) + case 'E': + case 'J': /* ignore flags for Japanese code conversion + implemented on Sony NEWS */ + break; +#endif /* defined(sony_news) */ + + default: + finis(true, true, EX_USAGE); + /* NOTREACHED */ + break; + } + } + + /* if we've had errors so far, exit now */ + if ((ExitStat != EX_OK && OpMode != MD_TEST) || + ExitStat == EX_OSERR) + { + finis(false, true, ExitStat); + /* NOTREACHED */ + } + + if (bitset(SUBMIT_MTA, SubmitMode)) + { + /* If set daemon_flags on command line, don't reset it */ + if (macvalue(macid("{daemon_flags}"), &BlankEnvelope) == NULL) + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_flags}"), "CC f"); + } + else if (OpMode == MD_DELIVER || OpMode == MD_SMTP) + { + SubmitMode = SUBMIT_MSA; + + /* If set daemon_flags on command line, don't reset it */ + if (macvalue(macid("{daemon_flags}"), &BlankEnvelope) == NULL) + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_flags}"), "c u"); + } + + /* + ** Do basic initialization. + ** Read system control file. + ** Extract special fields for local use. + */ + +#if XDEBUG + checkfd012("before readcf"); +#endif /* XDEBUG */ + vendor_pre_defaults(&BlankEnvelope); + + readcf(getcfname(OpMode, SubmitMode, cftype, conffile), + safecf, &BlankEnvelope); +#if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) + ConfigFileRead = true; +#endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */ + vendor_post_defaults(&BlankEnvelope); + + /* now we can complain about missing fds */ + if (MissingFds != 0 && LogLevel > 8) + { + char mbuf[MAXLINE]; + + mbuf[0] = '\0'; + if (bitset(1 << STDIN_FILENO, MissingFds)) + (void) sm_strlcat(mbuf, ", stdin", sizeof mbuf); + if (bitset(1 << STDOUT_FILENO, MissingFds)) + (void) sm_strlcat(mbuf, ", stdout", sizeof mbuf); + if (bitset(1 << STDERR_FILENO, MissingFds)) + (void) sm_strlcat(mbuf, ", stderr", sizeof mbuf); + + /* Notice: fill_errno is from high above: fill_fd() */ + sm_syslog(LOG_WARNING, NOQID, + "File descriptors missing on startup: %s; %s", + &mbuf[2], sm_errstring(fill_errno)); + } + + /* Remove the ability for a normal user to send signals */ + if (RealUid != 0 && RealUid != geteuid()) + { + uid_t new_uid = geteuid(); + +#if HASSETREUID + /* + ** Since we can differentiate between uid and euid, + ** make the uid a different user so the real user + ** can't send signals. However, it doesn't need to be + ** root (euid has root). + */ + + if (new_uid == 0) + new_uid = DefUid; + if (tTd(47, 5)) + sm_dprintf("Changing real uid to %d\n", (int) new_uid); + if (setreuid(new_uid, geteuid()) < 0) + { + syserr("main: setreuid(%d, %d) failed", + (int) new_uid, (int) geteuid()); + finis(false, true, EX_OSERR); + /* NOTREACHED */ + } + if (tTd(47, 10)) + sm_dprintf("Now running as e/ruid %d:%d\n", + (int) geteuid(), (int) getuid()); +#else /* HASSETREUID */ + /* + ** Have to change both effective and real so need to + ** change them both to effective to keep privs. + */ + + if (tTd(47, 5)) + sm_dprintf("Changing uid to %d\n", (int) new_uid); + if (setuid(new_uid) < 0) + { + syserr("main: setuid(%d) failed", (int) new_uid); + finis(false, true, EX_OSERR); + /* NOTREACHED */ + } + if (tTd(47, 10)) + sm_dprintf("Now running as e/ruid %d:%d\n", + (int) geteuid(), (int) getuid()); +#endif /* HASSETREUID */ + } + +#if NAMED_BIND + if (FallbackMX != NULL) + (void) getfallbackmxrr(FallbackMX); +#endif /* NAMED_BIND */ + + if (SuperSafe == SAFE_INTERACTIVE && CurEnv->e_sendmode != SM_DELIVER) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "WARNING: SuperSafe=interactive should only be used with\n DeliveryMode=interactive\n"); + } + + if (UseMSP && (OpMode == MD_DAEMON || OpMode == MD_FGDAEMON)) + { + usrerr("Mail submission program cannot be used as daemon"); + finis(false, true, EX_USAGE); + } + + if (OpMode == MD_DELIVER || OpMode == MD_SMTP || + OpMode == MD_QUEUERUN || OpMode == MD_ARPAFTP || + OpMode == MD_DAEMON || OpMode == MD_FGDAEMON) + makeworkgroups(); + + /* set up the basic signal handlers */ + if (sm_signal(SIGINT, SIG_IGN) != SIG_IGN) + (void) sm_signal(SIGINT, intsig); + (void) sm_signal(SIGTERM, intsig); + + /* Enforce use of local time (null string overrides this) */ + if (TimeZoneSpec == NULL) + unsetenv("TZ"); + else if (TimeZoneSpec[0] != '\0') + setuserenv("TZ", TimeZoneSpec); + else + setuserenv("TZ", NULL); + tzset(); + + /* initialize mailbox database */ + i = sm_mbdb_initialize(Mbdb); + if (i != EX_OK) + { + usrerr("Can't initialize mailbox database \"%s\": %s", + Mbdb, sm_strexit(i)); + ExitStat = i; + } + + /* avoid denial-of-service attacks */ + resetlimits(); + + if (OpMode == MD_TEST) + { + /* can't be done after readcf if RunAs* is used */ + dp = drop_privileges(true); + if (dp != EX_OK) + { + finis(false, true, dp); + /* NOTREACHED */ + } + } + else if (OpMode != MD_DAEMON && OpMode != MD_FGDAEMON) + { + /* drop privileges -- daemon mode done after socket/bind */ + dp = drop_privileges(false); + setstat(dp); + if (dp == EX_OK && UseMSP && (geteuid() == 0 || getuid() == 0)) + { + usrerr("Mail submission program must have RunAsUser set to non root user"); + finis(false, true, EX_CONFIG); + /* NOTREACHED */ + } + } + +#if NAMED_BIND + _res.retry = TimeOuts.res_retry[RES_TO_DEFAULT]; + _res.retrans = TimeOuts.res_retrans[RES_TO_DEFAULT]; +#endif /* NAMED_BIND */ + + /* + ** Find our real host name for future logging. + */ + + authinfo = getauthinfo(STDIN_FILENO, &forged); + macdefine(&BlankEnvelope.e_macro, A_TEMP, '_', authinfo); + + /* suppress error printing if errors mailed back or whatever */ + if (BlankEnvelope.e_errormode != EM_PRINT) + HoldErrs = true; + + /* set up the $=m class now, after .cf has a chance to redefine $m */ + expand("\201m", jbuf, sizeof jbuf, &BlankEnvelope); + if (jbuf[0] != '\0') + setclass('m', jbuf); + + /* probe interfaces and locate any additional names */ + if (DontProbeInterfaces != DPI_PROBENONE) + load_if_names(); + + if (tTd(0, 10)) + { + char pidpath[MAXPATHLEN]; + + /* Now we know which .cf file we use */ + sm_dprintf(" Conf file:\t%s (selected)\n", + getcfname(OpMode, SubmitMode, cftype, conffile)); + expand(PidFile, pidpath, sizeof pidpath, &BlankEnvelope); + sm_dprintf(" Pid file:\t%s (selected)\n", pidpath); + } + + if (tTd(0, 1)) + { + sm_dprintf("\n============ SYSTEM IDENTITY (after readcf) ============"); + sm_dprintf("\n (short domain name) $w = "); + xputs(sm_debug_file(), macvalue('w', &BlankEnvelope)); + sm_dprintf("\n (canonical domain name) $j = "); + xputs(sm_debug_file(), macvalue('j', &BlankEnvelope)); + sm_dprintf("\n (subdomain name) $m = "); + xputs(sm_debug_file(), macvalue('m', &BlankEnvelope)); + sm_dprintf("\n (node name) $k = "); + xputs(sm_debug_file(), macvalue('k', &BlankEnvelope)); + sm_dprintf("\n========================================================\n\n"); + } + + /* + ** Do more command line checking -- these are things that + ** have to modify the results of reading the config file. + */ + + /* process authorization warnings from command line */ + if (warn_C_flag) + auth_warning(&BlankEnvelope, "Processed by %s with -C %s", + RealUserName, conffile); + if (Warn_Q_option && !wordinclass(RealUserName, 't')) + auth_warning(&BlankEnvelope, "Processed from queue %s", + QueueDir); + if (sysloglabel != NULL && !wordinclass(RealUserName, 't') && + RealUid != 0 && RealUid != TrustedUid && LogLevel > 1) + sm_syslog(LOG_WARNING, NOQID, "user %d changed syslog label", + (int) RealUid); + + /* check body type for legality */ + i = check_bodytype(BlankEnvelope.e_bodytype); + if (i == BODYTYPE_ILLEGAL) + { + usrerr("Illegal body type %s", BlankEnvelope.e_bodytype); + BlankEnvelope.e_bodytype = NULL; + } + else if (i != BODYTYPE_NONE) + SevenBitInput = (i == BODYTYPE_7BIT); + + /* tweak default DSN notifications */ + if (DefaultNotify == 0) + DefaultNotify = QPINGONFAILURE|QPINGONDELAY; + + /* check for sane configuration level */ + if (ConfigLevel > MAXCONFIGLEVEL) + { + syserr("Warning: .cf version level (%d) exceeds sendmail version %s functionality (%d)", + ConfigLevel, Version, MAXCONFIGLEVEL); + } + + /* need MCI cache to have persistence */ + if (HostStatDir != NULL && MaxMciCache == 0) + { + HostStatDir = NULL; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: HostStatusDirectory disabled with ConnectionCacheSize = 0\n"); + } + + /* need HostStatusDir in order to have SingleThreadDelivery */ + if (SingleThreadDelivery && HostStatDir == NULL) + { + SingleThreadDelivery = false; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: HostStatusDirectory required for SingleThreadDelivery\n"); + } + + /* check for permissions */ + if (RealUid != 0 && + RealUid != TrustedUid) + { + char *action = NULL; + + switch (OpMode) + { + case MD_QUEUERUN: + if (quarantining != NULL) + action = "quarantine jobs"; + else + { + /* Normal users can do a single queue run */ + if (QueueIntvl == 0) + break; + } + + /* but not persistent queue runners */ + if (action == NULL) + action = "start a queue runner daemon"; + /* FALLTHROUGH */ + + case MD_PURGESTAT: + if (action == NULL) + action = "purge host status"; + /* FALLTHROUGH */ + + case MD_DAEMON: + case MD_FGDAEMON: + if (action == NULL) + action = "run daemon"; + + if (tTd(65, 1)) + sm_dprintf("Deny user %d attempt to %s\n", + (int) RealUid, action); + + if (LogLevel > 1) + sm_syslog(LOG_ALERT, NOQID, + "user %d attempted to %s", + (int) RealUid, action); + HoldErrs = false; + usrerr("Permission denied (real uid not trusted)"); + finis(false, true, EX_USAGE); + /* NOTREACHED */ + break; + + case MD_VERIFY: + if (bitset(PRIV_RESTRICTEXPAND, PrivacyFlags)) + { + /* + ** If -bv and RestrictExpand, + ** drop privs to prevent normal + ** users from reading private + ** aliases/forwards/:include:s + */ + + if (tTd(65, 1)) + sm_dprintf("Drop privs for user %d attempt to expand (RestrictExpand)\n", + (int) RealUid); + + dp = drop_privileges(true); + + /* Fake address safety */ + if (tTd(65, 1)) + sm_dprintf("Faking DontBlameSendmail=NonRootSafeAddr\n"); + setbitn(DBS_NONROOTSAFEADDR, DontBlameSendmail); + + if (dp != EX_OK) + { + if (tTd(65, 1)) + sm_dprintf("Failed to drop privs for user %d attempt to expand, exiting\n", + (int) RealUid); + CurEnv->e_id = NULL; + finis(true, true, dp); + /* NOTREACHED */ + } + } + break; + + case MD_TEST: + case MD_PRINT: + case MD_PRINTNQE: + case MD_FREEZE: + case MD_HOSTSTAT: + /* Nothing special to check */ + break; + + case MD_INITALIAS: + if (!wordinclass(RealUserName, 't')) + { + if (tTd(65, 1)) + sm_dprintf("Deny user %d attempt to rebuild the alias map\n", + (int) RealUid); + if (LogLevel > 1) + sm_syslog(LOG_ALERT, NOQID, + "user %d attempted to rebuild the alias map", + (int) RealUid); + HoldErrs = false; + usrerr("Permission denied (real uid not trusted)"); + finis(false, true, EX_USAGE); + /* NOTREACHED */ + } + if (UseMSP) + { + HoldErrs = false; + usrerr("User %d cannot rebuild aliases in mail submission program", + (int) RealUid); + finis(false, true, EX_USAGE); + /* NOTREACHED */ + } + /* FALLTHROUGH */ + + default: + if (bitset(PRIV_RESTRICTEXPAND, PrivacyFlags) && + Verbose != 0) + { + /* + ** If -v and RestrictExpand, reset + ** Verbose to prevent normal users + ** from seeing the expansion of + ** aliases/forwards/:include:s + */ + + if (tTd(65, 1)) + sm_dprintf("Dropping verbosity for user %d (RestrictExpand)\n", + (int) RealUid); + Verbose = 0; + } + break; + } + } + + if (MeToo) + BlankEnvelope.e_flags |= EF_METOO; + + switch (OpMode) + { + case MD_TEST: + /* don't have persistent host status in test mode */ + HostStatDir = NULL; + if (Verbose == 0) + Verbose = 2; + BlankEnvelope.e_errormode = EM_PRINT; + HoldErrs = false; + break; + + case MD_VERIFY: + BlankEnvelope.e_errormode = EM_PRINT; + HoldErrs = false; + /* arrange to exit cleanly on hangup signal */ + if (sm_signal(SIGHUP, SIG_IGN) == (sigfunc_t) SIG_DFL) + (void) sm_signal(SIGHUP, intsig); + if (geteuid() != 0) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Notice: -bv may give misleading output for non-privileged user\n"); + break; + + case MD_FGDAEMON: + run_in_foreground = true; + set_op_mode(MD_DAEMON); + /* FALLTHROUGH */ + + case MD_DAEMON: + vendor_daemon_setup(&BlankEnvelope); + + /* remove things that don't make sense in daemon mode */ + FullName = NULL; + GrabTo = false; + + /* arrange to restart on hangup signal */ + if (SaveArgv[0] == NULL || SaveArgv[0][0] != '/') + sm_syslog(LOG_WARNING, NOQID, + "daemon invoked without full pathname; kill -1 won't work"); + break; + + case MD_INITALIAS: + Verbose = 2; + BlankEnvelope.e_errormode = EM_PRINT; + HoldErrs = false; + /* FALLTHROUGH */ + + default: + /* arrange to exit cleanly on hangup signal */ + if (sm_signal(SIGHUP, SIG_IGN) == (sigfunc_t) SIG_DFL) + (void) sm_signal(SIGHUP, intsig); + break; + } + + /* special considerations for FullName */ + if (FullName != NULL) + { + char *full = NULL; + + /* full names can't have newlines */ + if (strchr(FullName, '\n') != NULL) + { + full = newstr(denlstring(FullName, true, true)); + FullName = full; + } + + /* check for characters that may have to be quoted */ + if (!rfc822_string(FullName)) + { + /* + ** Quote a full name with special characters + ** as a comment so crackaddr() doesn't destroy + ** the name portion of the address. + */ + + FullName = addquotes(FullName, NULL); + if (full != NULL) + sm_free(full); /* XXX */ + } + } + + /* do heuristic mode adjustment */ + if (Verbose) + { + /* turn off noconnect option */ + setoption('c', "F", true, false, &BlankEnvelope); + + /* turn on interactive delivery */ + setoption('d', "", true, false, &BlankEnvelope); + } + +#ifdef VENDOR_CODE + /* check for vendor mismatch */ + if (VendorCode != VENDOR_CODE) + { + message("Warning: .cf file vendor code mismatch: sendmail expects vendor %s, .cf file vendor is %s", + getvendor(VENDOR_CODE), getvendor(VendorCode)); + } +#endif /* VENDOR_CODE */ + + /* check for out of date configuration level */ + if (ConfigLevel < MAXCONFIGLEVEL) + { + message("Warning: .cf file is out of date: sendmail %s supports version %d, .cf file is version %d", + Version, MAXCONFIGLEVEL, ConfigLevel); + } + + if (ConfigLevel < 3) + UseErrorsTo = true; + + /* set options that were previous macros */ + if (SmtpGreeting == NULL) + { + if (ConfigLevel < 7 && + (p = macvalue('e', &BlankEnvelope)) != NULL) + SmtpGreeting = newstr(p); + else + SmtpGreeting = "\201j Sendmail \201v ready at \201b"; + } + if (UnixFromLine == NULL) + { + if (ConfigLevel < 7 && + (p = macvalue('l', &BlankEnvelope)) != NULL) + UnixFromLine = newstr(p); + else + UnixFromLine = "From \201g \201d"; + } + SmtpError[0] = '\0'; + + /* our name for SMTP codes */ + expand("\201j", jbuf, sizeof jbuf, &BlankEnvelope); + if (jbuf[0] == '\0') + PSTRSET(MyHostName, "localhost"); + else + PSTRSET(MyHostName, jbuf); + if (strchr(MyHostName, '.') == NULL) + message("WARNING: local host name (%s) is not qualified; see cf/README: WHO AM I?", + MyHostName); + + /* make certain that this name is part of the $=w class */ + setclass('w', MyHostName); + + /* fill in the structure of the *default* queue */ + st = stab("mqueue", ST_QUEUE, ST_FIND); + if (st == NULL) + syserr("No default queue (mqueue) defined"); + else + set_def_queueval(st->s_quegrp, true); + + /* the indices of built-in mailers */ + st = stab("local", ST_MAILER, ST_FIND); + if (st != NULL) + LocalMailer = st->s_mailer; + else if (OpMode != MD_TEST || !warn_C_flag) + syserr("No local mailer defined"); + + st = stab("prog", ST_MAILER, ST_FIND); + if (st == NULL) + syserr("No prog mailer defined"); + else + { + ProgMailer = st->s_mailer; + clrbitn(M_MUSER, ProgMailer->m_flags); + } + + st = stab("*file*", ST_MAILER, ST_FIND); + if (st == NULL) + syserr("No *file* mailer defined"); + else + { + FileMailer = st->s_mailer; + clrbitn(M_MUSER, FileMailer->m_flags); + } + + st = stab("*include*", ST_MAILER, ST_FIND); + if (st == NULL) + syserr("No *include* mailer defined"); + else + InclMailer = st->s_mailer; + + if (ConfigLevel < 6) + { + /* heuristic tweaking of local mailer for back compat */ + if (LocalMailer != NULL) + { + setbitn(M_ALIASABLE, LocalMailer->m_flags); + setbitn(M_HASPWENT, LocalMailer->m_flags); + setbitn(M_TRYRULESET5, LocalMailer->m_flags); + setbitn(M_CHECKINCLUDE, LocalMailer->m_flags); + setbitn(M_CHECKPROG, LocalMailer->m_flags); + setbitn(M_CHECKFILE, LocalMailer->m_flags); + setbitn(M_CHECKUDB, LocalMailer->m_flags); + } + if (ProgMailer != NULL) + setbitn(M_RUNASRCPT, ProgMailer->m_flags); + if (FileMailer != NULL) + setbitn(M_RUNASRCPT, FileMailer->m_flags); + } + if (ConfigLevel < 7) + { + if (LocalMailer != NULL) + setbitn(M_VRFY250, LocalMailer->m_flags); + if (ProgMailer != NULL) + setbitn(M_VRFY250, ProgMailer->m_flags); + if (FileMailer != NULL) + setbitn(M_VRFY250, FileMailer->m_flags); + } + + /* MIME Content-Types that cannot be transfer encoded */ + setclass('n', "multipart/signed"); + + /* MIME message/xxx subtypes that can be treated as messages */ + setclass('s', "rfc822"); + + /* MIME Content-Transfer-Encodings that can be encoded */ + setclass('e', "7bit"); + setclass('e', "8bit"); + setclass('e', "binary"); + +#ifdef USE_B_CLASS + /* MIME Content-Types that should be treated as binary */ + setclass('b', "image"); + setclass('b', "audio"); + setclass('b', "video"); + setclass('b', "application/octet-stream"); +#endif /* USE_B_CLASS */ + + /* MIME headers which have fields to check for overflow */ + setclass(macid("{checkMIMEFieldHeaders}"), "content-disposition"); + setclass(macid("{checkMIMEFieldHeaders}"), "content-type"); + + /* MIME headers to check for length overflow */ + setclass(macid("{checkMIMETextHeaders}"), "content-description"); + + /* MIME headers to check for overflow and rebalance */ + setclass(macid("{checkMIMEHeaders}"), "content-disposition"); + setclass(macid("{checkMIMEHeaders}"), "content-id"); + setclass(macid("{checkMIMEHeaders}"), "content-transfer-encoding"); + setclass(macid("{checkMIMEHeaders}"), "content-type"); + setclass(macid("{checkMIMEHeaders}"), "mime-version"); + + /* Macros to save in the queue file -- don't remove any */ + setclass(macid("{persistentMacros}"), "r"); + setclass(macid("{persistentMacros}"), "s"); + setclass(macid("{persistentMacros}"), "_"); + setclass(macid("{persistentMacros}"), "{if_addr}"); + setclass(macid("{persistentMacros}"), "{daemon_flags}"); + + /* operate in queue directory */ + if (QueueDir == NULL || *QueueDir == '\0') + { + if (OpMode != MD_TEST) + { + syserr("QueueDirectory (Q) option must be set"); + ExitStat = EX_CONFIG; + } + } + else + { + if (OpMode != MD_TEST) + setup_queues(OpMode == MD_DAEMON); + } + + /* check host status directory for validity */ + if (HostStatDir != NULL && !path_is_dir(HostStatDir, false)) + { + /* cannot use this value */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Cannot use HostStatusDirectory = %s: %s\n", + HostStatDir, sm_errstring(errno)); + HostStatDir = NULL; + } + + if (OpMode == MD_QUEUERUN && + RealUid != 0 && bitset(PRIV_RESTRICTQRUN, PrivacyFlags)) + { + struct stat stbuf; + + /* check to see if we own the queue directory */ + if (stat(".", &stbuf) < 0) + syserr("main: cannot stat %s", QueueDir); + if (stbuf.st_uid != RealUid) + { + /* nope, really a botch */ + HoldErrs = false; + usrerr("You do not have permission to process the queue"); + finis(false, true, EX_NOPERM); + /* NOTREACHED */ + } + } + +#if MILTER + /* sanity checks on milter filters */ + if (OpMode == MD_DAEMON || OpMode == MD_SMTP) + { + milter_config(InputFilterList, InputFilters, MAXFILTERS); + setup_daemon_milters(); + } +#endif /* MILTER */ + + /* Convert queuegroup string to qgrp number */ + if (queuegroup != NULL) + { + qgrp = name2qid(queuegroup); + if (qgrp == NOQGRP) + { + HoldErrs = false; + usrerr("Queue group %s unknown", queuegroup); + finis(false, true, ExitStat); + /* NOTREACHED */ + } + } + + /* if we've had errors so far, exit now */ + if (ExitStat != EX_OK && OpMode != MD_TEST) + { + finis(false, true, ExitStat); + /* NOTREACHED */ + } + +#if SASL + /* sendmail specific SASL initialization */ + sm_sasl_init(); +#endif /* SASL */ + +#if XDEBUG + checkfd012("before main() initmaps"); +#endif /* XDEBUG */ + + /* + ** Do operation-mode-dependent initialization. + */ + + switch (OpMode) + { + case MD_PRINT: + /* print the queue */ + HoldErrs = false; + dropenvelope(&BlankEnvelope, true, false); + (void) sm_signal(SIGPIPE, sigpipe); + if (qgrp != NOQGRP) + { + int j; + + /* Selecting a particular queue group to run */ + for (j = 0; j < Queue[qgrp]->qg_numqueues; j++) + { + if (StopRequest) + stop_sendmail(); + (void) print_single_queue(qgrp, j); + } + finis(false, true, EX_OK); + /* NOTREACHED */ + } + printqueue(); + finis(false, true, EX_OK); + /* NOTREACHED */ + break; + + case MD_PRINTNQE: + /* print number of entries in queue */ + dropenvelope(&BlankEnvelope, true, false); + (void) sm_signal(SIGPIPE, sigpipe); + printnqe(smioout, NULL); + finis(false, true, EX_OK); + /* NOTREACHED */ + break; + + case MD_QUEUERUN: + /* only handle quarantining here */ + if (quarantining == NULL) + break; + + if (QueueMode != QM_QUARANTINE && + QueueMode != QM_NORMAL) + { + HoldErrs = false; + usrerr("Can not use -Q with -q%c", QueueMode); + ExitStat = EX_USAGE; + finis(false, true, ExitStat); + /* NOTREACHED */ + } + quarantine_queue(quarantining, qgrp); + finis(false, true, EX_OK); + break; + + case MD_HOSTSTAT: + (void) sm_signal(SIGPIPE, sigpipe); + (void) mci_traverse_persistent(mci_print_persistent, NULL); + finis(false, true, EX_OK); + /* NOTREACHED */ + break; + + case MD_PURGESTAT: + (void) mci_traverse_persistent(mci_purge_persistent, NULL); + finis(false, true, EX_OK); + /* NOTREACHED */ + break; + + case MD_INITALIAS: + /* initialize maps */ + initmaps(); + finis(false, true, ExitStat); + /* NOTREACHED */ + break; + + case MD_SMTP: + case MD_DAEMON: + /* reset DSN parameters */ + DefaultNotify = QPINGONFAILURE|QPINGONDELAY; + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{dsn_notify}"), NULL); + BlankEnvelope.e_envid = NULL; + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{dsn_envid}"), NULL); + BlankEnvelope.e_flags &= ~(EF_RET_PARAM|EF_NO_BODY_RETN); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{dsn_ret}"), NULL); + + /* don't open maps for daemon -- done below in child */ + break; + } + + if (tTd(0, 15)) + { + /* print configuration table (or at least part of it) */ + if (tTd(0, 90)) + printrules(); + for (i = 0; i < MAXMAILERS; i++) + { + if (Mailer[i] != NULL) + printmailer(sm_debug_file(), Mailer[i]); + } + } + + /* + ** Switch to the main envelope. + */ + + CurEnv = newenvelope(&MainEnvelope, &BlankEnvelope, + sm_rpool_new_x(NULL)); + MainEnvelope.e_flags = BlankEnvelope.e_flags; + + /* + ** If test mode, read addresses from stdin and process. + */ + + if (OpMode == MD_TEST) + { + if (isatty(sm_io_getinfo(smioin, SM_IO_WHAT_FD, NULL))) + Verbose = 2; + + if (Verbose) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)\n"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Enter
    \n"); + } + macdefine(&(MainEnvelope.e_macro), A_PERM, + macid("{addr_type}"), "e r"); + for (;;) + { + SM_TRY + { + (void) sm_signal(SIGINT, intindebug); + (void) sm_releasesignal(SIGINT); + if (Verbose == 2) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "> "); + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + if (sm_io_fgets(smioin, SM_TIME_DEFAULT, buf, + sizeof buf) == NULL) + testmodeline("/quit", &MainEnvelope); + p = strchr(buf, '\n'); + if (p != NULL) + *p = '\0'; + if (Verbose < 2) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "> %s\n", buf); + testmodeline(buf, &MainEnvelope); + } + SM_EXCEPT(exc, "[!F]*") + { + /* + ** 8.10 just prints \n on interrupt. + ** I'm printing the exception here in case + ** sendmail is extended to raise additional + ** exceptions in this context. + */ + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\n"); + sm_exc_print(exc, smioout); + } + SM_END_TRY + } + } + +#if STARTTLS + tls_ok = true; + if (OpMode == MD_QUEUERUN || OpMode == MD_DELIVER) + { + /* check whether STARTTLS is turned off for the client */ + if (chkclientmodifiers(D_NOTLS)) + tls_ok = false; + } + else if (OpMode == MD_DAEMON || OpMode == MD_FGDAEMON || + OpMode == MD_SMTP) + { + /* check whether STARTTLS is turned off for the server */ + if (chkdaemonmodifiers(D_NOTLS)) + tls_ok = false; + } + else /* other modes don't need STARTTLS */ + tls_ok = false; + + if (tls_ok) + { + /* basic TLS initialization */ + tls_ok = init_tls_library(); + } + + if (!tls_ok && (OpMode == MD_QUEUERUN || OpMode == MD_DELIVER)) + { + /* disable TLS for client */ + setclttls(false); + } +#endif /* STARTTLS */ + + /* + ** If collecting stuff from the queue, go start doing that. + */ + + if (OpMode == MD_QUEUERUN && QueueIntvl == 0) + { + pid_t pid = -1; + +#if STARTTLS + /* init TLS for client, ignore result for now */ + (void) initclttls(tls_ok); +#endif /* STARTTLS */ + + /* + ** The parent process of the caller of runqueue() needs + ** to stay around for a possible SIGTERM. The SIGTERM will + ** tell this process that all of the queue runners children + ** need to be sent SIGTERM as well. At the same time, we + ** want to return control to the command line. So we do an + ** extra fork(). + */ + + if (Verbose || foregroundqueue || (pid = fork()) <= 0) + { + /* + ** If the fork() failed we should still try to do + ** the queue run. If it succeeded then the child + ** is going to start the run and wait for all + ** of the children to finish. + */ + + if (pid == 0) + { + /* Reset global flags */ + RestartRequest = NULL; + ShutdownRequest = NULL; + PendingSignal = 0; + + /* disconnect from terminal */ + disconnect(2, CurEnv); + } + + CurrentPid = getpid(); + if (qgrp != NOQGRP) + { + int rwgflags = RWG_NONE; + + /* + ** To run a specific queue group mark it to + ** be run, select the work group it's in and + ** increment the work counter. + */ + + for (i = 0; i < NumQueue && Queue[i] != NULL; + i++) + Queue[i]->qg_nextrun = (time_t) -1; + Queue[qgrp]->qg_nextrun = 0; + if (Verbose) + rwgflags |= RWG_VERBOSE; + if (queuepersistent) + rwgflags |= RWG_PERSISTENT; + rwgflags |= RWG_FORCE; + (void) run_work_group(Queue[qgrp]->qg_wgrp, + rwgflags); + } + else + (void) runqueue(false, Verbose, + queuepersistent, true); + + /* set the title to make it easier to find */ + sm_setproctitle(true, CurEnv, "Queue control"); + (void) sm_signal(SIGCHLD, SIG_DFL); + while (CurChildren > 0) + { + int status; + pid_t ret; + + errno = 0; + while ((ret = sm_wait(&status)) <= 0) + { + if (errno == ECHILD) + { + /* + ** Oops... something got messed + ** up really bad. Waiting for + ** non-existent children + ** shouldn't happen. Let's get + ** out of here. + */ + + CurChildren = 0; + break; + } + continue; + } + + /* something is really really wrong */ + if (errno == ECHILD) + { + sm_syslog(LOG_ERR, NOQID, + "queue control process: lost all children: wait returned ECHILD"); + break; + } + + /* Only drop when a child gives status */ + if (WIFSTOPPED(status)) + continue; + + proc_list_drop(ret, status, NULL); + } + } + finis(true, true, ExitStat); + /* NOTREACHED */ + } + +# if SASL + if (OpMode == MD_SMTP || OpMode == MD_DAEMON) + { + /* check whether AUTH is turned off for the server */ + if (!chkdaemonmodifiers(D_NOAUTH) && + (i = sasl_server_init(srvcallbacks, "Sendmail")) != SASL_OK) + syserr("!sasl_server_init failed! [%s]", + sasl_errstring(i, NULL, NULL)); + } +# endif /* SASL */ + + if (OpMode == MD_SMTP) + { + proc_list_add(CurrentPid, "Sendmail SMTP Agent", + PROC_DAEMON, 0, -1, NULL); + + /* clean up background delivery children */ + (void) sm_signal(SIGCHLD, reapchild); + } + + /* + ** If a daemon, wait for a request. + ** getrequests will always return in a child. + ** If we should also be processing the queue, start + ** doing it in background. + ** We check for any errors that might have happened + ** during startup. + */ + + if (OpMode == MD_DAEMON || QueueIntvl > 0) + { + char dtype[200]; + + if (!run_in_foreground && !tTd(99, 100)) + { + /* put us in background */ + i = fork(); + if (i < 0) + syserr("daemon: cannot fork"); + if (i != 0) + { + finis(false, true, EX_OK); + /* NOTREACHED */ + } + + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + + sm_exc_newthread(fatal_error); + + /* disconnect from our controlling tty */ + disconnect(2, &MainEnvelope); + } + + dtype[0] = '\0'; + if (OpMode == MD_DAEMON) + { + (void) sm_strlcat(dtype, "+SMTP", sizeof dtype); + DaemonPid = CurrentPid; + } + if (QueueIntvl > 0) + { + (void) sm_strlcat2(dtype, + queuepersistent + ? "+persistent-queueing@" + : "+queueing@", + pintvl(QueueIntvl, true), + sizeof dtype); + } + if (tTd(0, 1)) + (void) sm_strlcat(dtype, "+debugging", sizeof dtype); + + sm_syslog(LOG_INFO, NOQID, + "starting daemon (%s): %s", Version, dtype + 1); +#if XLA + xla_create_file(); +#endif /* XLA */ + + /* save daemon type in a macro for possible PidFile use */ + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{daemon_info}"), dtype + 1); + + /* save queue interval in a macro for possible PidFile use */ + macdefine(&MainEnvelope.e_macro, A_TEMP, + macid("{queue_interval}"), pintvl(QueueIntvl, true)); + + /* workaround: can't seem to release the signal in the parent */ + (void) sm_signal(SIGHUP, sighup); + (void) sm_releasesignal(SIGHUP); + (void) sm_signal(SIGTERM, sigterm); + + if (QueueIntvl > 0) + { + (void) runqueue(true, false, queuepersistent, true); + + /* + ** If queuepersistent but not in daemon mode then + ** we're going to do the queue runner monitoring here. + ** If in daemon mode then the monitoring will happen + ** elsewhere. + */ + + if (OpMode != MD_DAEMON && queuepersistent) + { + /* + ** Write the pid to file + ** XXX Overwrites sendmail.pid + */ + + log_sendmail_pid(&MainEnvelope); + + /* set the title to make it easier to find */ + sm_setproctitle(true, CurEnv, "Queue control"); + (void) sm_signal(SIGCHLD, SIG_DFL); + while (CurChildren > 0) + { + int status; + pid_t ret; + int group; + + CHECK_RESTART; + errno = 0; + while ((ret = sm_wait(&status)) <= 0) + { + /* + ** Waiting for non-existent + ** children shouldn't happen. + ** Let's get out of here if + ** it occurs. + */ + + if (errno == ECHILD) + { + CurChildren = 0; + break; + } + continue; + } + + /* something is really really wrong */ + if (errno == ECHILD) + { + sm_syslog(LOG_ERR, NOQID, + "persistent queue runner control process: lost all children: wait returned ECHILD"); + break; + } + + if (WIFSTOPPED(status)) + continue; + + /* Probe only on a child status */ + proc_list_drop(ret, status, &group); + + if (WIFSIGNALED(status)) + { + if (WCOREDUMP(status)) + { + sm_syslog(LOG_ERR, NOQID, + "persistent queue runner=%d core dumped, signal=%d", + group, WTERMSIG(status)); + + /* don't restart this */ + mark_work_group_restart( + group, -1); + continue; + } + + sm_syslog(LOG_ERR, NOQID, + "persistent queue runner=%d died, signal=%d", + group, WTERMSIG(status)); + } + + /* + ** When debugging active, don't + ** restart the persistent queues. + ** But do log this as info. + */ + + if (sm_debug_active(&DebugNoPRestart, + 1)) + { + sm_syslog(LOG_DEBUG, NOQID, + "persistent queue runner=%d, exited", + group); + mark_work_group_restart(group, + -1); + } + } + finis(true, true, ExitStat); + /* NOTREACHED */ + } + + if (OpMode != MD_DAEMON) + { + char qtype[200]; + + /* + ** Write the pid to file + ** XXX Overwrites sendmail.pid + */ + + log_sendmail_pid(&MainEnvelope); + + /* set the title to make it easier to find */ + qtype[0] = '\0'; + (void) sm_strlcpyn(qtype, sizeof qtype, 4, + "Queue runner@", + pintvl(QueueIntvl, true), + " for ", + QueueDir); + sm_setproctitle(true, CurEnv, qtype); + for (;;) + { + (void) pause(); + + CHECK_RESTART; + + if (doqueuerun()) + (void) runqueue(true, false, + false, false); + } + } + } + dropenvelope(&MainEnvelope, true, false); + +#if STARTTLS + /* init TLS for server, ignore result for now */ + (void) initsrvtls(tls_ok); +#endif /* STARTTLS */ + + nextreq: + p_flags = getrequests(&MainEnvelope); + + /* drop privileges */ + (void) drop_privileges(false); + + /* + ** Get authentication data + ** Set _ macro in BlankEnvelope before calling newenvelope(). + */ + + authinfo = getauthinfo(sm_io_getinfo(InChannel, SM_IO_WHAT_FD, + NULL), &forged); + macdefine(&BlankEnvelope.e_macro, A_TEMP, '_', authinfo); + + /* at this point we are in a child: reset state */ + sm_rpool_free(MainEnvelope.e_rpool); + (void) newenvelope(&MainEnvelope, &MainEnvelope, + sm_rpool_new_x(NULL)); + } + + if (LogLevel > 9) + { + /* log connection information */ + sm_syslog(LOG_INFO, NULL, "connect from %s", authinfo); + } + + /* + ** If running SMTP protocol, start collecting and executing + ** commands. This will never return. + */ + + if (OpMode == MD_SMTP || OpMode == MD_DAEMON) + { + char pbuf[20]; + + /* + ** Save some macros for check_* rulesets. + */ + + if (forged) + { + char ipbuf[103]; + + (void) sm_snprintf(ipbuf, sizeof ipbuf, "[%.100s]", + anynet_ntoa(&RealHostAddr)); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{client_name}"), ipbuf); + } + else + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{client_name}"), RealHostName); + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{client_ptr}"), RealHostName); + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{client_addr}"), anynet_ntoa(&RealHostAddr)); + sm_getla(); + + switch (RealHostAddr.sa.sa_family) + { +#if NETINET + case AF_INET: + (void) sm_snprintf(pbuf, sizeof pbuf, "%d", + RealHostAddr.sin.sin_port); + break; +#endif /* NETINET */ +#if NETINET6 + case AF_INET6: + (void) sm_snprintf(pbuf, sizeof pbuf, "%d", + RealHostAddr.sin6.sin6_port); + break; +#endif /* NETINET6 */ + default: + (void) sm_snprintf(pbuf, sizeof pbuf, "0"); + break; + } + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{client_port}"), pbuf); + + if (OpMode == MD_DAEMON) + { + /* validate the connection */ + HoldErrs = true; + nullserver = validate_connection(&RealHostAddr, + macvalue(macid("{client_name}"), + &MainEnvelope), + &MainEnvelope); + HoldErrs = false; + } + else if (p_flags == NULL) + { + p_flags = (BITMAP256 *) xalloc(sizeof *p_flags); + clrbitmap(p_flags); + } +#if STARTTLS + if (OpMode == MD_SMTP) + (void) initsrvtls(tls_ok); +#endif /* STARTTLS */ + + /* turn off profiling */ + SM_PROF(1); + smtp(nullserver, *p_flags, &MainEnvelope); + + if (tTd(93, 100)) + { + /* turn off profiling */ + SM_PROF(0); + if (OpMode == MD_DAEMON) + goto nextreq; + } + } + + sm_rpool_free(MainEnvelope.e_rpool); + clearenvelope(&MainEnvelope, false, sm_rpool_new_x(NULL)); + if (OpMode == MD_VERIFY) + { + set_delivery_mode(SM_VERIFY, &MainEnvelope); + PostMasterCopy = NULL; + } + else + { + /* interactive -- all errors are global */ + MainEnvelope.e_flags |= EF_GLOBALERRS|EF_LOGSENDER; + } + + /* + ** Do basic system initialization and set the sender + */ + + initsys(&MainEnvelope); + macdefine(&MainEnvelope.e_macro, A_PERM, macid("{ntries}"), "0"); + macdefine(&MainEnvelope.e_macro, A_PERM, macid("{nrcpts}"), "0"); + setsender(from, &MainEnvelope, NULL, '\0', false); + if (warn_f_flag != '\0' && !wordinclass(RealUserName, 't') && + (!bitnset(M_LOCALMAILER, MainEnvelope.e_from.q_mailer->m_flags) || + strcmp(MainEnvelope.e_from.q_user, RealUserName) != 0)) + { + auth_warning(&MainEnvelope, "%s set sender to %s using -%c", + RealUserName, from, warn_f_flag); +#if SASL + auth = false; +#endif /* SASL */ + } + if (auth) + { + char *fv; + + /* set the initial sender for AUTH= to $f@$j */ + fv = macvalue('f', &MainEnvelope); + if (fv == NULL || *fv == '\0') + MainEnvelope.e_auth_param = NULL; + else + { + if (strchr(fv, '@') == NULL) + { + i = strlen(fv) + strlen(macvalue('j', + &MainEnvelope)) + 2; + p = sm_malloc_x(i); + (void) sm_strlcpyn(p, i, 3, fv, "@", + macvalue('j', + &MainEnvelope)); + } + else + p = sm_strdup_x(fv); + MainEnvelope.e_auth_param = sm_rpool_strdup_x(MainEnvelope.e_rpool, + xtextify(p, "=")); + sm_free(p); /* XXX */ + } + } + if (macvalue('s', &MainEnvelope) == NULL) + macdefine(&MainEnvelope.e_macro, A_PERM, 's', RealHostName); + + av = argv + optind; + if (*av == NULL && !GrabTo) + { + MainEnvelope.e_to = NULL; + MainEnvelope.e_flags |= EF_GLOBALERRS; + HoldErrs = false; + SuperSafe = SAFE_NO; + usrerr("Recipient names must be specified"); + + /* collect body for UUCP return */ + if (OpMode != MD_VERIFY) + collect(InChannel, false, NULL, &MainEnvelope, true); + finis(true, true, EX_USAGE); + /* NOTREACHED */ + } + + /* + ** Scan argv and deliver the message to everyone. + */ + + save_val = LogUsrErrs; + LogUsrErrs = true; + sendtoargv(av, &MainEnvelope); + LogUsrErrs = save_val; + + /* if we have had errors sofar, arrange a meaningful exit stat */ + if (Errors > 0 && ExitStat == EX_OK) + ExitStat = EX_USAGE; + +#if _FFR_FIX_DASHT + /* + ** If using -t, force not sending to argv recipients, even + ** if they are mentioned in the headers. + */ + + if (GrabTo) + { + ADDRESS *q; + + for (q = MainEnvelope.e_sendqueue; q != NULL; q = q->q_next) + q->q_state = QS_REMOVED; + } +#endif /* _FFR_FIX_DASHT */ + + /* + ** Read the input mail. + */ + + MainEnvelope.e_to = NULL; + if (OpMode != MD_VERIFY || GrabTo) + { + int savederrors; + unsigned long savedflags; + + /* + ** workaround for compiler warning on Irix: + ** do not initialize variable in the definition, but + ** later on: + ** warning(1548): transfer of control bypasses + ** initialization of: + ** variable "savederrors" (declared at line 2570) + ** variable "savedflags" (declared at line 2571) + ** goto giveup; + */ + + savederrors = Errors; + savedflags = MainEnvelope.e_flags & EF_FATALERRS; + MainEnvelope.e_flags |= EF_GLOBALERRS; + MainEnvelope.e_flags &= ~EF_FATALERRS; + Errors = 0; + buffer_errors(); + collect(InChannel, false, NULL, &MainEnvelope, true); + + /* header checks failed */ + if (Errors > 0) + { + giveup: + if (!GrabTo) + { + /* Log who the mail would have gone to */ + logundelrcpts(&MainEnvelope, + MainEnvelope.e_message, + 8, false); + } + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + return -1; + } + + /* bail out if message too large */ + if (bitset(EF_CLRQUEUE, MainEnvelope.e_flags)) + { + finis(true, true, ExitStat != EX_OK ? ExitStat + : EX_DATAERR); + /* NOTREACHED */ + return -1; + } + + /* set message size */ + (void) sm_snprintf(buf, sizeof buf, "%ld", + MainEnvelope.e_msgsize); + macdefine(&MainEnvelope.e_macro, A_TEMP, + macid("{msg_size}"), buf); + + Errors = savederrors; + MainEnvelope.e_flags |= savedflags; + } + errno = 0; + + if (tTd(1, 1)) + sm_dprintf("From person = \"%s\"\n", + MainEnvelope.e_from.q_paddr); + + /* Check if quarantining stats should be updated */ + if (MainEnvelope.e_quarmsg != NULL) + markstats(&MainEnvelope, NULL, STATS_QUARANTINE); + + /* + ** Actually send everything. + ** If verifying, just ack. + */ + + if (Errors == 0) + { + if (!split_by_recipient(&MainEnvelope) && + bitset(EF_FATALERRS, MainEnvelope.e_flags)) + goto giveup; + } + + /* make sure we deliver at least the first envelope */ + i = FastSplit > 0 ? 0 : -1; + for (e = &MainEnvelope; e != NULL; e = e->e_sibling, i++) + { + ENVELOPE *next; + + e->e_from.q_state = QS_SENDER; + if (tTd(1, 5)) + { + sm_dprintf("main[%d]: QS_SENDER ", i); + printaddr(sm_debug_file(), &e->e_from, false); + } + e->e_to = NULL; + sm_getla(); + GrabTo = false; +#if NAMED_BIND + _res.retry = TimeOuts.res_retry[RES_TO_FIRST]; + _res.retrans = TimeOuts.res_retrans[RES_TO_FIRST]; +#endif /* NAMED_BIND */ + next = e->e_sibling; + e->e_sibling = NULL; + + /* after FastSplit envelopes: queue up */ + sendall(e, i >= FastSplit ? SM_QUEUE : SM_DEFAULT); + e->e_sibling = next; + } + + /* + ** All done. + ** Don't send return error message if in VERIFY mode. + */ + + finis(true, true, ExitStat); + /* NOTREACHED */ + return ExitStat; +} +/* +** STOP_SENDMAIL -- Stop the running program +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** exits. +*/ + +void +stop_sendmail() +{ + /* reset uid for process accounting */ + endpwent(); + (void) setuid(RealUid); + exit(EX_OK); +} +/* +** FINIS -- Clean up and exit. +** +** Parameters: +** drop -- whether or not to drop CurEnv envelope +** cleanup -- call exit() or _exit()? +** exitstat -- exit status to use for exit() call +** +** Returns: +** never +** +** Side Effects: +** exits sendmail +*/ + +void +finis(drop, cleanup, exitstat) + bool drop; + bool cleanup; + volatile int exitstat; +{ + char pidpath[MAXPATHLEN]; + + /* Still want to process new timeouts added below */ + sm_clear_events(); + (void) sm_releasesignal(SIGALRM); + + if (tTd(2, 1)) + { + sm_dprintf("\n====finis: stat %d e_id=%s e_flags=", + exitstat, + CurEnv->e_id == NULL ? "NOQUEUE" : CurEnv->e_id); + printenvflags(CurEnv); + } + if (tTd(2, 9)) + printopenfds(false); + + SM_TRY + /* + ** Clean up. This might raise E:mta.quickabort + */ + + /* clean up temp files */ + CurEnv->e_to = NULL; + if (drop) + { + if (CurEnv->e_id != NULL) + { + dropenvelope(CurEnv, true, false); + sm_rpool_free(CurEnv->e_rpool); + CurEnv->e_rpool = NULL; + } + else + poststats(StatFile); + } + + /* flush any cached connections */ + mci_flush(true, NULL); + + /* close maps belonging to this pid */ + closemaps(false); + +#if USERDB + /* close UserDatabase */ + _udbx_close(); +#endif /* USERDB */ + +#if SASL + stop_sasl_client(); +#endif /* SASL */ + +#if XLA + /* clean up extended load average stuff */ + xla_all_end(); +#endif /* XLA */ + + SM_FINALLY + /* + ** And exit. + */ + + if (LogLevel > 78) + sm_syslog(LOG_DEBUG, CurEnv->e_id, "finis, pid=%d", + (int) CurrentPid); + if (exitstat == EX_TEMPFAIL || + CurEnv->e_errormode == EM_BERKNET) + exitstat = EX_OK; + + /* XXX clean up queues and related data structures */ + cleanup_queues(); +#if SM_CONF_SHM + cleanup_shm(DaemonPid == getpid()); +#endif /* SM_CONF_SHM */ + + /* close locked pid file */ + close_sendmail_pid(); + + if (DaemonPid == getpid() || PidFilePid == getpid()) + { + /* blow away the pid file */ + expand(PidFile, pidpath, sizeof pidpath, CurEnv); + (void) unlink(pidpath); + } + + /* reset uid for process accounting */ + endpwent(); + sm_mbdb_terminate(); + (void) setuid(RealUid); +#if SM_HEAP_CHECK + /* dump the heap, if we are checking for memory leaks */ + if (sm_debug_active(&SmHeapCheck, 2)) + sm_heap_report(smioout, + sm_debug_level(&SmHeapCheck) - 1); +#endif /* SM_HEAP_CHECK */ + if (sm_debug_active(&SmXtrapReport, 1)) + sm_dprintf("xtrap count = %d\n", SmXtrapCount); + if (cleanup) + exit(exitstat); + else + _exit(exitstat); + SM_END_TRY +} +/* +** INTINDEBUG -- signal handler for SIGINT in -bt mode +** +** Parameters: +** sig -- incoming signal. +** +** Returns: +** none. +** +** Side Effects: +** longjmps back to test mode loop. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* Type of an exception generated on SIGINT during address test mode. */ +static const SM_EXC_TYPE_T EtypeInterrupt = +{ + SmExcTypeMagic, + "S:mta.interrupt", + "", + sm_etype_printf, + "interrupt", +}; + +/* ARGSUSED */ +static SIGFUNC_DECL +intindebug(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, intindebug); + errno = save_errno; + CHECK_CRITICAL(sig); + errno = save_errno; + sm_exc_raisenew_x(&EtypeInterrupt); + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** SIGTERM -- SIGTERM handler for the daemon +** +** Parameters: +** sig -- signal number. +** +** Returns: +** none. +** +** Side Effects: +** Sets ShutdownRequest which will hopefully trigger +** the daemon to exit. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED */ +static SIGFUNC_DECL +sigterm(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, sigterm); + ShutdownRequest = "signal"; + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** SIGHUP -- handle a SIGHUP signal +** +** Parameters: +** sig -- incoming signal. +** +** Returns: +** none. +** +** Side Effects: +** Sets RestartRequest which should cause the daemon +** to restart. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED */ +static SIGFUNC_DECL +sighup(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, sighup); + RestartRequest = "signal"; + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** SIGPIPE -- signal handler for SIGPIPE +** +** Parameters: +** sig -- incoming signal. +** +** Returns: +** none. +** +** Side Effects: +** Sets StopRequest which should cause the mailq/hoststatus +** display to stop. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +/* ARGSUSED */ +static SIGFUNC_DECL +sigpipe(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, sigpipe); + StopRequest = true; + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** INTSIG -- clean up on interrupt +** +** This just arranges to exit. It pessimizes in that it +** may resend a message. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** Unlocks the current job. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +** +** XXX: More work is needed for this signal handler. +*/ + +/* ARGSUSED */ +SIGFUNC_DECL +intsig(sig) + int sig; +{ + bool drop = false; + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, intsig); + errno = save_errno; + CHECK_CRITICAL(sig); + sm_allsignals(true); + + if (sig != 0 && LogLevel > 79) + sm_syslog(LOG_DEBUG, CurEnv->e_id, "interrupt"); + FileName = NULL; + + /* Clean-up on aborted stdin message submission */ + if (CurEnv->e_id != NULL && + (OpMode == MD_SMTP || + OpMode == MD_DELIVER || + OpMode == MD_ARPAFTP)) + { + register ADDRESS *q; + + /* don't return an error indication */ + CurEnv->e_to = NULL; + CurEnv->e_flags &= ~EF_FATALERRS; + CurEnv->e_flags |= EF_CLRQUEUE; + + /* + ** Spin through the addresses and + ** mark them dead to prevent bounces + */ + + for (q = CurEnv->e_sendqueue; q != NULL; q = q->q_next) + q->q_state = QS_DONTSEND; + + drop = true; + } + else if (OpMode != MD_TEST) + { + unlockqueue(CurEnv); + } + + finis(drop, false, EX_OK); + /* NOTREACHED */ +} +/* +** DISCONNECT -- remove our connection with any foreground process +** +** Parameters: +** droplev -- how "deeply" we should drop the line. +** 0 -- ignore signals, mail back errors, make sure +** output goes to stdout. +** 1 -- also, make stdout go to /dev/null. +** 2 -- also, disconnect from controlling terminal +** (only for daemon mode). +** e -- the current envelope. +** +** Returns: +** none +** +** Side Effects: +** Trys to insure that we are immune to vagaries of +** the controlling tty. +*/ + +void +disconnect(droplev, e) + int droplev; + register ENVELOPE *e; +{ + int fd; + + if (tTd(52, 1)) + sm_dprintf("disconnect: In %d Out %d, e=%p\n", + sm_io_getinfo(InChannel, SM_IO_WHAT_FD, NULL), + sm_io_getinfo(OutChannel, SM_IO_WHAT_FD, NULL), e); + if (tTd(52, 100)) + { + sm_dprintf("don't\n"); + return; + } + if (LogLevel > 93) + sm_syslog(LOG_DEBUG, e->e_id, + "disconnect level %d", + droplev); + + /* be sure we don't get nasty signals */ + (void) sm_signal(SIGINT, SIG_IGN); + (void) sm_signal(SIGQUIT, SIG_IGN); + + /* we can't communicate with our caller, so.... */ + HoldErrs = true; + CurEnv->e_errormode = EM_MAIL; + Verbose = 0; + DisConnected = true; + + /* all input from /dev/null */ + if (InChannel != smioin) + { + (void) sm_io_close(InChannel, SM_TIME_DEFAULT); + InChannel = smioin; + } + if (sm_io_reopen(SmFtStdio, SM_TIME_DEFAULT, SM_PATH_DEVNULL, + SM_IO_RDONLY, NULL, smioin) == NULL) + sm_syslog(LOG_ERR, e->e_id, + "disconnect: sm_io_reopen(\"%s\") failed: %s", + SM_PATH_DEVNULL, sm_errstring(errno)); + + /* + ** output to the transcript + ** We also compare the fd numbers here since OutChannel + ** might be a layer on top of smioout due to encryption + ** (see sfsasl.c). + */ + + if (OutChannel != smioout && + sm_io_getinfo(OutChannel, SM_IO_WHAT_FD, NULL) != + sm_io_getinfo(smioout, SM_IO_WHAT_FD, NULL)) + { + (void) sm_io_close(OutChannel, SM_TIME_DEFAULT); + OutChannel = smioout; + +#if 0 + /* + ** Has smioout been closed? Reopen it. + ** This shouldn't happen anymore, the code is here + ** just as a reminder. + */ + + if (smioout->sm_magic == NULL && + sm_io_reopen(SmFtStdio, SM_TIME_DEFAULT, SM_PATH_DEVNULL, + SM_IO_WRONLY, NULL, smioout) == NULL) + sm_syslog(LOG_ERR, e->e_id, + "disconnect: sm_io_reopen(\"%s\") failed: %s", + SM_PATH_DEVNULL, sm_errstring(errno)); +#endif /* 0 */ + } + if (droplev > 0) + { + fd = open(SM_PATH_DEVNULL, O_WRONLY, 0666); + if (fd == -1) + sm_syslog(LOG_ERR, e->e_id, + "disconnect: open(\"%s\") failed: %s", + SM_PATH_DEVNULL, sm_errstring(errno)); + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + (void) dup2(fd, STDOUT_FILENO); + (void) dup2(fd, STDERR_FILENO); + (void) close(fd); + } + + /* drop our controlling TTY completely if possible */ + if (droplev > 1) + { + (void) setsid(); + errno = 0; + } + +#if XDEBUG + checkfd012("disconnect"); +#endif /* XDEBUG */ + + if (LogLevel > 71) + sm_syslog(LOG_DEBUG, e->e_id, "in background, pid=%d", + (int) CurrentPid); + + errno = 0; +} + +static void +obsolete(argv) + char *argv[]; +{ + register char *ap; + register char *op; + + while ((ap = *++argv) != NULL) + { + /* Return if "--" or not an option of any form. */ + if (ap[0] != '-' || ap[1] == '-') + return; + + /* Don't allow users to use "-Q." or "-Q ." */ + if ((ap[1] == 'Q' && ap[2] == '.') || + (ap[1] == 'Q' && argv[1] != NULL && + argv[1][0] == '.' && argv[1][1] == '\0')) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Can not use -Q.\n"); + exit(EX_USAGE); + } + + /* skip over options that do have a value */ + op = strchr(OPTIONS, ap[1]); + if (op != NULL && *++op == ':' && ap[2] == '\0' && + ap[1] != 'd' && +#if defined(sony_news) + ap[1] != 'E' && ap[1] != 'J' && +#endif /* defined(sony_news) */ + argv[1] != NULL && argv[1][0] != '-') + { + argv++; + continue; + } + + /* If -C doesn't have an argument, use sendmail.cf. */ +#define __DEFPATH "sendmail.cf" + if (ap[1] == 'C' && ap[2] == '\0') + { + *argv = xalloc(sizeof(__DEFPATH) + 2); + (void) sm_strlcpyn(argv[0], sizeof(__DEFPATH) + 2, 2, + "-C", __DEFPATH); + } + + /* If -q doesn't have an argument, run it once. */ + if (ap[1] == 'q' && ap[2] == '\0') + *argv = "-q0"; + + /* If -Q doesn't have an argument, disable quarantining */ + if (ap[1] == 'Q' && ap[2] == '\0') + *argv = "-Q."; + + /* if -d doesn't have an argument, use 0-99.1 */ + if (ap[1] == 'd' && ap[2] == '\0') + *argv = "-d0-99.1"; + +#if defined(sony_news) + /* if -E doesn't have an argument, use -EC */ + if (ap[1] == 'E' && ap[2] == '\0') + *argv = "-EC"; + + /* if -J doesn't have an argument, use -JJ */ + if (ap[1] == 'J' && ap[2] == '\0') + *argv = "-JJ"; +#endif /* defined(sony_news) */ + } +} +/* +** AUTH_WARNING -- specify authorization warning +** +** Parameters: +** e -- the current envelope. +** msg -- the text of the message. +** args -- arguments to the message. +** +** Returns: +** none. +*/ + +void +#ifdef __STDC__ +auth_warning(register ENVELOPE *e, const char *msg, ...) +#else /* __STDC__ */ +auth_warning(e, msg, va_alist) + register ENVELOPE *e; + const char *msg; + va_dcl +#endif /* __STDC__ */ +{ + char buf[MAXLINE]; + SM_VA_LOCAL_DECL + + if (bitset(PRIV_AUTHWARNINGS, PrivacyFlags)) + { + register char *p; + static char hostbuf[48]; + + if (hostbuf[0] == '\0') + { + struct hostent *hp; + + hp = myhostname(hostbuf, sizeof hostbuf); +#if NETINET6 + if (hp != NULL) + { + freehostent(hp); + hp = NULL; + } +#endif /* NETINET6 */ + } + + (void) sm_strlcpyn(buf, sizeof buf, 2, hostbuf, ": "); + p = &buf[strlen(buf)]; + SM_VA_START(ap, msg); + (void) sm_vsnprintf(p, SPACELEFT(buf, p), msg, ap); + SM_VA_END(ap); + addheader("X-Authentication-Warning", buf, 0, e); + if (LogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Authentication-Warning: %.400s", + buf); + } +} +/* +** GETEXTENV -- get from external environment +** +** Parameters: +** envar -- the name of the variable to retrieve +** +** Returns: +** The value, if any. +*/ + +static char * +getextenv(envar) + const char *envar; +{ + char **envp; + int l; + + l = strlen(envar); + for (envp = ExternalEnviron; envp != NULL && *envp != NULL; envp++) + { + if (strncmp(*envp, envar, l) == 0 && (*envp)[l] == '=') + return &(*envp)[l + 1]; + } + return NULL; +} +/* +** SETUSERENV -- set an environment in the propagated environment +** +** Parameters: +** envar -- the name of the environment variable. +** value -- the value to which it should be set. If +** null, this is extracted from the incoming +** environment. If that is not set, the call +** to setuserenv is ignored. +** +** Returns: +** none. +*/ + +void +setuserenv(envar, value) + const char *envar; + const char *value; +{ + int i, l; + char **evp = UserEnviron; + char *p; + + if (value == NULL) + { + value = getextenv(envar); + if (value == NULL) + return; + } + + /* XXX enforce reasonable size? */ + i = strlen(envar) + 1; + l = strlen(value) + i + 1; + p = (char *) xalloc(l); + (void) sm_strlcpyn(p, l, 3, envar, "=", value); + + while (*evp != NULL && strncmp(*evp, p, i) != 0) + evp++; + if (*evp != NULL) + { + *evp++ = p; + } + else if (evp < &UserEnviron[MAXUSERENVIRON]) + { + *evp++ = p; + *evp = NULL; + } + + /* make sure it is in our environment as well */ + if (putenv(p) < 0) + syserr("setuserenv: putenv(%s) failed", p); +} +/* +** DUMPSTATE -- dump state +** +** For debugging. +*/ + +void +dumpstate(when) + char *when; +{ + register char *j = macvalue('j', CurEnv); + int rs; + extern int NextMacroId; + + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "--- dumping state on %s: $j = %s ---", + when, + j == NULL ? "" : j); + if (j != NULL) + { + if (!wordinclass(j, 'w')) + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "*** $j not in $=w ***"); + } + sm_syslog(LOG_DEBUG, CurEnv->e_id, "CurChildren = %d", CurChildren); + sm_syslog(LOG_DEBUG, CurEnv->e_id, "NextMacroId = %d (Max %d)", + NextMacroId, MAXMACROID); + sm_syslog(LOG_DEBUG, CurEnv->e_id, "--- open file descriptors: ---"); + printopenfds(true); + sm_syslog(LOG_DEBUG, CurEnv->e_id, "--- connection cache: ---"); + mci_dump_all(smioout, true); + rs = strtorwset("debug_dumpstate", NULL, ST_FIND); + if (rs > 0) + { + int status; + register char **pvp; + char *pv[MAXATOM + 1]; + + pv[0] = NULL; + status = REWRITE(pv, rs, CurEnv); + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "--- ruleset debug_dumpstate returns stat %d, pv: ---", + status); + for (pvp = pv; *pvp != NULL; pvp++) + sm_syslog(LOG_DEBUG, CurEnv->e_id, "%s", *pvp); + } + sm_syslog(LOG_DEBUG, CurEnv->e_id, "--- end of state dump ---"); +} + +#ifdef SIGUSR1 +/* +** SIGUSR1 -- Signal a request to dump state. +** +** Parameters: +** sig -- calling signal. +** +** Returns: +** none. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +** +** XXX: More work is needed for this signal handler. +*/ + +/* ARGSUSED */ +static SIGFUNC_DECL +sigusr1(sig) + int sig; +{ + int save_errno = errno; +# if SM_HEAP_CHECK + extern void dumpstab __P((void)); +# endif /* SM_HEAP_CHECK */ + + FIX_SYSV_SIGNAL(sig, sigusr1); + errno = save_errno; + CHECK_CRITICAL(sig); + dumpstate("user signal"); +# if SM_HEAP_CHECK + dumpstab(); +# endif /* SM_HEAP_CHECK */ + errno = save_errno; + return SIGFUNC_RETURN; +} +#endif /* SIGUSR1 */ + +/* +** DROP_PRIVILEGES -- reduce privileges to those of the RunAsUser option +** +** Parameters: +** to_real_uid -- if set, drop to the real uid instead +** of the RunAsUser. +** +** Returns: +** EX_OSERR if the setuid failed. +** EX_OK otherwise. +*/ + +int +drop_privileges(to_real_uid) + bool to_real_uid; +{ + int rval = EX_OK; + GIDSET_T emptygidset[1]; + + if (tTd(47, 1)) + sm_dprintf("drop_privileges(%d): Real[UG]id=%d:%d, get[ug]id=%d:%d, gete[ug]id=%d:%d, RunAs[UG]id=%d:%d\n", + (int) to_real_uid, + (int) RealUid, (int) RealGid, + (int) getuid(), (int) getgid(), + (int) geteuid(), (int) getegid(), + (int) RunAsUid, (int) RunAsGid); + + if (to_real_uid) + { + RunAsUserName = RealUserName; + RunAsUid = RealUid; + RunAsGid = RealGid; + EffGid = RunAsGid; + } + + /* make sure no one can grab open descriptors for secret files */ + endpwent(); + sm_mbdb_terminate(); + + /* reset group permissions; these can be set later */ + emptygidset[0] = (to_real_uid || RunAsGid != 0) ? RunAsGid : getegid(); + + /* + ** Notice: on some OS (Linux...) the setgroups() call causes + ** a logfile entry if sendmail is not run by root. + ** However, it is unclear (no POSIX standard) whether + ** setgroups() can only succeed if executed by root. + ** So for now we keep it as it is; if you want to change it, use + ** if (geteuid() == 0 && setgroups(1, emptygidset) == -1) + */ + + if (setgroups(1, emptygidset) == -1 && geteuid() == 0) + { + syserr("drop_privileges: setgroups(1, %d) failed", + (int) emptygidset[0]); + rval = EX_OSERR; + } + + /* reset primary group id */ + if (to_real_uid) + { + /* + ** Drop gid to real gid. + ** On some OS we must reset the effective[/real[/saved]] gid, + ** and then use setgid() to finally drop all group privileges. + ** Later on we check whether we can get back the + ** effective gid. + */ + +#if HASSETEGID + if (setegid(RunAsGid) < 0) + { + syserr("drop_privileges: setegid(%d) failed", + (int) RunAsGid); + rval = EX_OSERR; + } +#else /* HASSETEGID */ +# if HASSETREGID + if (setregid(RunAsGid, RunAsGid) < 0) + { + syserr("drop_privileges: setregid(%d, %d) failed", + (int) RunAsGid, (int) RunAsGid); + rval = EX_OSERR; + } +# else /* HASSETREGID */ +# if HASSETRESGID + if (setresgid(RunAsGid, RunAsGid, RunAsGid) < 0) + { + syserr("drop_privileges: setresgid(%d, %d, %d) failed", + (int) RunAsGid, (int) RunAsGid, (int) RunAsGid); + rval = EX_OSERR; + } +# endif /* HASSETRESGID */ +# endif /* HASSETREGID */ +#endif /* HASSETEGID */ + } + if (rval == EX_OK && (to_real_uid || RunAsGid != 0)) + { + if (setgid(RunAsGid) < 0 && (!UseMSP || getegid() != RunAsGid)) + { + syserr("drop_privileges: setgid(%d) failed", + (int) RunAsGid); + rval = EX_OSERR; + } + errno = 0; + if (rval == EX_OK && getegid() != RunAsGid) + { + syserr("drop_privileges: Unable to set effective gid=%d to RunAsGid=%d", + (int) getegid(), (int) RunAsGid); + rval = EX_OSERR; + } + } + + /* fiddle with uid */ + if (to_real_uid || RunAsUid != 0) + { + uid_t euid; + + /* + ** Try to setuid(RunAsUid). + ** euid must be RunAsUid, + ** ruid must be RunAsUid unless (e|r)uid wasn't 0 + ** and we didn't have to drop privileges to the real uid. + */ + + if (setuid(RunAsUid) < 0 || + geteuid() != RunAsUid || + (getuid() != RunAsUid && + (to_real_uid || geteuid() == 0 || getuid() == 0))) + { +#if HASSETREUID + /* + ** if ruid != RunAsUid, euid == RunAsUid, then + ** try resetting just the real uid, then using + ** setuid() to drop the saved-uid as well. + */ + + if (geteuid() == RunAsUid) + { + if (setreuid(RunAsUid, -1) < 0) + { + syserr("drop_privileges: setreuid(%d, -1) failed", + (int) RunAsUid); + rval = EX_OSERR; + } + if (setuid(RunAsUid) < 0) + { + syserr("drop_privileges: second setuid(%d) attempt failed", + (int) RunAsUid); + rval = EX_OSERR; + } + } + else +#endif /* HASSETREUID */ + { + syserr("drop_privileges: setuid(%d) failed", + (int) RunAsUid); + rval = EX_OSERR; + } + } + euid = geteuid(); + if (RunAsUid != 0 && setuid(0) == 0) + { + /* + ** Believe it or not, the Linux capability model + ** allows a non-root process to override setuid() + ** on a process running as root and prevent that + ** process from dropping privileges. + */ + + syserr("drop_privileges: setuid(0) succeeded (when it should not)"); + rval = EX_OSERR; + } + else if (RunAsUid != euid && setuid(euid) == 0) + { + /* + ** Some operating systems will keep the saved-uid + ** if a non-root effective-uid calls setuid(real-uid) + ** making it possible to set it back again later. + */ + + syserr("drop_privileges: Unable to drop non-root set-user-ID privileges"); + rval = EX_OSERR; + } + } + + if ((to_real_uid || RunAsGid != 0) && + rval == EX_OK && RunAsGid != EffGid && + getuid() != 0 && geteuid() != 0) + { + errno = 0; + if (setgid(EffGid) == 0) + { + syserr("drop_privileges: setgid(%d) succeeded (when it should not)", + (int) EffGid); + rval = EX_OSERR; + } + } + + if (tTd(47, 5)) + { + sm_dprintf("drop_privileges: e/ruid = %d/%d e/rgid = %d/%d\n", + (int) geteuid(), (int) getuid(), + (int) getegid(), (int) getgid()); + sm_dprintf("drop_privileges: RunAsUser = %d:%d\n", + (int) RunAsUid, (int) RunAsGid); + if (tTd(47, 10)) + sm_dprintf("drop_privileges: rval = %d\n", rval); + } + return rval; +} +/* +** FILL_FD -- make sure a file descriptor has been properly allocated +** +** Used to make sure that stdin/out/err are allocated on startup +** +** Parameters: +** fd -- the file descriptor to be filled. +** where -- a string used for logging. If NULL, this is +** being called on startup, and logging should +** not be done. +** +** Returns: +** none +** +** Side Effects: +** possibly changes MissingFds +*/ + +void +fill_fd(fd, where) + int fd; + char *where; +{ + int i; + struct stat stbuf; + + if (fstat(fd, &stbuf) >= 0 || errno != EBADF) + return; + + if (where != NULL) + syserr("fill_fd: %s: fd %d not open", where, fd); + else + MissingFds |= 1 << fd; + i = open(SM_PATH_DEVNULL, fd == 0 ? O_RDONLY : O_WRONLY, 0666); + if (i < 0) + { + syserr("!fill_fd: %s: cannot open %s", + where == NULL ? "startup" : where, SM_PATH_DEVNULL); + } + if (fd != i) + { + (void) dup2(i, fd); + (void) close(i); + } +} +/* +** SM_PRINTOPTIONS -- print options +** +** Parameters: +** options -- array of options. +** +** Returns: +** none. +*/ + +static void +sm_printoptions(options) + char **options; +{ + int ll; + char **av; + + av = options; + ll = 7; + while (*av != NULL) + { + if (ll + strlen(*av) > 63) + { + sm_dprintf("\n"); + ll = 0; + } + if (ll == 0) + sm_dprintf("\t\t"); + else + sm_dprintf(" "); + sm_dprintf("%s", *av); + ll += strlen(*av++) + 1; + } + sm_dprintf("\n"); +} +/* +** TESTMODELINE -- process a test mode input line +** +** Parameters: +** line -- the input line. +** e -- the current environment. +** Syntax: +** # a comment +** .X process X as a configuration line +** =X dump a configuration item (such as mailers) +** $X dump a macro or class +** /X try an activity +** X normal process through rule set X +*/ + +static void +testmodeline(line, e) + char *line; + ENVELOPE *e; +{ + register char *p; + char *q; + auto char *delimptr; + int mid; + int i, rs; + STAB *map; + char **s; + struct rewrite *rw; + ADDRESS a; + static int tryflags = RF_COPYNONE; + char exbuf[MAXLINE]; + extern unsigned char TokTypeNoC[]; + + /* skip leading spaces */ + while (*line == ' ') + line++; + + switch (line[0]) + { + case '#': + case '\0': + return; + + case '?': + help("-bt", e); + return; + + case '.': /* config-style settings */ + switch (line[1]) + { + case 'D': + mid = macid_parse(&line[2], &delimptr); + if (mid == 0) + return; + translate_dollars(delimptr); + macdefine(&e->e_macro, A_TEMP, mid, delimptr); + break; + + case 'C': + if (line[2] == '\0') /* not to call syserr() */ + return; + + mid = macid_parse(&line[2], &delimptr); + if (mid == 0) + return; + translate_dollars(delimptr); + expand(delimptr, exbuf, sizeof exbuf, e); + p = exbuf; + while (*p != '\0') + { + register char *wd; + char delim; + + while (*p != '\0' && isascii(*p) && isspace(*p)) + p++; + wd = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + delim = *p; + *p = '\0'; + if (wd[0] != '\0') + setclass(mid, wd); + *p = delim; + } + break; + + case '\0': + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: .[DC]macro value(s)\n"); + break; + + default: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Unknown \".\" command %s\n", line); + break; + } + return; + + case '=': /* config-style settings */ + switch (line[1]) + { + case 'S': /* dump rule set */ + rs = strtorwset(&line[2], NULL, ST_FIND); + if (rs < 0) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Undefined ruleset %s\n", &line[2]); + return; + } + rw = RewriteRules[rs]; + if (rw == NULL) + return; + do + { + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, + 'R'); + s = rw->r_lhs; + while (*s != NULL) + { + xputs(smioout, *s++); + (void) sm_io_putc(smioout, + SM_TIME_DEFAULT, ' '); + } + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, + '\t'); + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, + '\t'); + s = rw->r_rhs; + while (*s != NULL) + { + xputs(smioout, *s++); + (void) sm_io_putc(smioout, + SM_TIME_DEFAULT, ' '); + } + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, + '\n'); + } while ((rw = rw->r_next) != NULL); + break; + + case 'M': + for (i = 0; i < MAXMAILERS; i++) + { + if (Mailer[i] != NULL) + printmailer(smioout, Mailer[i]); + } + break; + + case '\0': + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: =Sruleset or =M\n"); + break; + + default: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Unknown \"=\" command %s\n", line); + break; + } + return; + + case '-': /* set command-line-like opts */ + switch (line[1]) + { + case 'd': + tTflag(&line[2]); + break; + + case '\0': + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: -d{debug arguments}\n"); + break; + + default: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Unknown \"-\" command %s\n", line); + break; + } + return; + + case '$': + if (line[1] == '=') + { + mid = macid(&line[2]); + if (mid != 0) + stabapply(dump_class, mid); + return; + } + mid = macid(&line[1]); + if (mid == 0) + return; + p = macvalue(mid, e); + if (p == NULL) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Undefined\n"); + else + { + xputs(smioout, p); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\n"); + } + return; + + case '/': /* miscellaneous commands */ + p = &line[strlen(line)]; + while (--p >= line && isascii(*p) && isspace(*p)) + *p = '\0'; + p = strpbrk(line, " \t"); + if (p != NULL) + { + while (isascii(*p) && isspace(*p)) + *p++ = '\0'; + } + else + p = ""; + if (line[1] == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /[canon|map|mx|parse|try|tryflags]\n"); + return; + } + if (sm_strcasecmp(&line[1], "quit") == 0) + { + CurEnv->e_id = NULL; + finis(true, true, ExitStat); + /* NOTREACHED */ + } + if (sm_strcasecmp(&line[1], "mx") == 0) + { +#if NAMED_BIND + /* look up MX records */ + int nmx; + auto int rcode; + char *mxhosts[MAXMXHOSTS + 1]; + + if (*p == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /mx address\n"); + return; + } + nmx = getmxrr(p, mxhosts, NULL, false, &rcode, true, + NULL); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "getmxrr(%s) returns %d value(s):\n", + p, nmx); + for (i = 0; i < nmx; i++) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\t%s\n", mxhosts[i]); +#else /* NAMED_BIND */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "No MX code compiled in\n"); +#endif /* NAMED_BIND */ + } + else if (sm_strcasecmp(&line[1], "canon") == 0) + { + char host[MAXHOSTNAMELEN]; + + if (*p == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /canon address\n"); + return; + } + else if (sm_strlcpy(host, p, sizeof host) >= sizeof host) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Name too long\n"); + return; + } + (void) getcanonname(host, sizeof host, !HasWildcardMX, + NULL); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "getcanonname(%s) returns %s\n", + p, host); + } + else if (sm_strcasecmp(&line[1], "map") == 0) + { + auto int rcode = EX_OK; + char *av[2]; + + if (*p == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /map mapname key\n"); + return; + } + for (q = p; *q != '\0' && !(isascii(*q) && isspace(*q)); q++) + continue; + if (*q == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "No key specified\n"); + return; + } + *q++ = '\0'; + map = stab(p, ST_MAP, ST_FIND); + if (map == NULL) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Map named \"%s\" not found\n", p); + return; + } + if (!bitset(MF_OPEN, map->s_map.map_mflags) && + !openmap(&(map->s_map))) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Map named \"%s\" not open\n", p); + return; + } + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "map_lookup: %s (%s) ", p, q); + av[0] = q; + av[1] = NULL; + p = (*map->s_map.map_class->map_lookup) + (&map->s_map, q, av, &rcode); + if (p == NULL) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "no match (%d)\n", + rcode); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "returns %s (%d)\n", p, + rcode); + } + else if (sm_strcasecmp(&line[1], "try") == 0) + { + MAILER *m; + STAB *st; + auto int rcode = EX_OK; + + q = strpbrk(p, " \t"); + if (q != NULL) + { + while (isascii(*q) && isspace(*q)) + *q++ = '\0'; + } + if (q == NULL || *q == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /try mailer address\n"); + return; + } + st = stab(p, ST_MAILER, ST_FIND); + if (st == NULL) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Unknown mailer %s\n", p); + return; + } + m = st->s_mailer; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Trying %s %s address %s for mailer %s\n", + bitset(RF_HEADERADDR, tryflags) ? "header" + : "envelope", + bitset(RF_SENDERADDR, tryflags) ? "sender" + : "recipient", q, p); + p = remotename(q, m, tryflags, &rcode, CurEnv); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Rcode = %d, addr = %s\n", + rcode, p == NULL ? "" : p); + e->e_to = NULL; + } + else if (sm_strcasecmp(&line[1], "tryflags") == 0) + { + if (*p == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /tryflags [Hh|Ee][Ss|Rr]\n"); + return; + } + for (; *p != '\0'; p++) + { + switch (*p) + { + case 'H': + case 'h': + tryflags |= RF_HEADERADDR; + break; + + case 'E': + case 'e': + tryflags &= ~RF_HEADERADDR; + break; + + case 'S': + case 's': + tryflags |= RF_SENDERADDR; + break; + + case 'R': + case 'r': + tryflags &= ~RF_SENDERADDR; + break; + } + } + exbuf[0] = bitset(RF_HEADERADDR, tryflags) ? 'h' : 'e'; + exbuf[1] = ' '; + exbuf[2] = bitset(RF_SENDERADDR, tryflags) ? 's' : 'r'; + exbuf[3] = '\0'; + macdefine(&e->e_macro, A_TEMP, + macid("{addr_type}"), exbuf); + } + else if (sm_strcasecmp(&line[1], "parse") == 0) + { + if (*p == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Usage: /parse address\n"); + return; + } + q = crackaddr(p, e); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Cracked address = "); + xputs(smioout, q); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\nParsing %s %s address\n", + bitset(RF_HEADERADDR, tryflags) ? + "header" : "envelope", + bitset(RF_SENDERADDR, tryflags) ? + "sender" : "recipient"); + if (parseaddr(p, &a, tryflags, '\0', NULL, e, true) + == NULL) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Cannot parse\n"); + else if (a.q_host != NULL && a.q_host[0] != '\0') + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "mailer %s, host %s, user %s\n", + a.q_mailer->m_name, + a.q_host, + a.q_user); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "mailer %s, user %s\n", + a.q_mailer->m_name, + a.q_user); + e->e_to = NULL; + } + else + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Unknown \"/\" command %s\n", + line); + } + return; + } + + for (p = line; isascii(*p) && isspace(*p); p++) + continue; + q = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p == '\0') + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "No address!\n"); + return; + } + *p = '\0'; + if (invalidaddr(p + 1, NULL, true)) + return; + do + { + register char **pvp; + char pvpbuf[PSBUFSIZE]; + + pvp = prescan(++p, ',', pvpbuf, sizeof pvpbuf, &delimptr, + ConfigLevel >= 9 ? TokTypeNoC : NULL, false); + if (pvp == NULL) + continue; + p = q; + while (*p != '\0') + { + int status; + + rs = strtorwset(p, NULL, ST_FIND); + if (rs < 0) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Undefined ruleset %s\n", + p); + break; + } + status = REWRITE(pvp, rs, e); + if (status != EX_OK) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "== Ruleset %s (%d) status %d\n", + p, rs, status); + while (*p != '\0' && *p++ != ',') + continue; + } + } while (*(p = delimptr) != '\0'); +} + +static void +dump_class(s, id) + register STAB *s; + int id; +{ + if (s->s_symtype != ST_CLASS) + return; + if (bitnset(bitidx(id), s->s_class)) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%s\n", s->s_name); +} + +/* +** An exception type used to create QuickAbort exceptions. +** This is my first cut at converting QuickAbort from longjmp to exceptions. +** These exceptions have a single integer argument, which is the argument +** to longjmp in the original code (either 1 or 2). I don't know the +** significance of 1 vs 2: the calls to setjmp don't care. +*/ + +const SM_EXC_TYPE_T EtypeQuickAbort = +{ + SmExcTypeMagic, + "E:mta.quickabort", + "i", + sm_etype_printf, + "quick abort %0", +}; diff --git a/contrib/sendmail-8.13.4/sendmail/map.c b/contrib/sendmail-8.13.4/sendmail/map.c new file mode 100644 index 0000000000..056d76edcf --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/map.c @@ -0,0 +1,7694 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1992, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: map.c,v 8.669 2005/02/09 01:46:35 ca Exp $") + +#if LDAPMAP +# include +#endif /* LDAPMAP */ + +#if NDBM +# include +# ifdef R_FIRST + ERROR README: You are running the Berkeley DB version of ndbm.h. See + ERROR README: the README file about tweaking Berkeley DB so it can + ERROR README: coexist with NDBM, or delete -DNDBM from the Makefile + ERROR README: and use -DNEWDB instead. +# endif /* R_FIRST */ +#endif /* NDBM */ +#if NEWDB +# include "sm/bdb.h" +#endif /* NEWDB */ +#if NIS + struct dom_binding; /* forward reference needed on IRIX */ +# include +# if NDBM +# define NDBM_YP_COMPAT /* create YP-compatible NDBM files */ +# endif /* NDBM */ +#endif /* NIS */ + +#if NEWDB +# if DB_VERSION_MAJOR < 2 +static bool db_map_open __P((MAP *, int, char *, DBTYPE, const void *)); +# endif /* DB_VERSION_MAJOR < 2 */ +# if DB_VERSION_MAJOR == 2 +static bool db_map_open __P((MAP *, int, char *, DBTYPE, DB_INFO *)); +# endif /* DB_VERSION_MAJOR == 2 */ +# if DB_VERSION_MAJOR > 2 +static bool db_map_open __P((MAP *, int, char *, DBTYPE, void **)); +# endif /* DB_VERSION_MAJOR > 2 */ +#endif /* NEWDB */ +static bool extract_canonname __P((char *, char *, char *, char[], int)); +static void map_close __P((STAB *, int)); +static void map_init __P((STAB *, int)); +#ifdef LDAPMAP +static STAB * ldapmap_findconn __P((SM_LDAP_STRUCT *)); +#endif /* LDAPMAP */ +#if NISPLUS +static bool nisplus_getcanonname __P((char *, int, int *)); +#endif /* NISPLUS */ +#if NIS +static bool nis_getcanonname __P((char *, int, int *)); +#endif /* NIS */ +#if NETINFO +static bool ni_getcanonname __P((char *, int, int *)); +#endif /* NETINFO */ +static bool text_getcanonname __P((char *, int, int *)); +#if SOCKETMAP +static STAB *socket_map_findconn __P((const char*)); + +/* XXX arbitrary limit for sanity */ +# define SOCKETMAP_MAXL 1000000 +#endif /* SOCKETMAP */ + +/* default error message for trying to open a map in write mode */ +#ifdef ENOSYS +# define SM_EMAPCANTWRITE ENOSYS +#else /* ENOSYS */ +# ifdef EFTYPE +# define SM_EMAPCANTWRITE EFTYPE +# else /* EFTYPE */ +# define SM_EMAPCANTWRITE ENXIO +# endif /* EFTYPE */ +#endif /* ENOSYS */ + +/* +** MAP.C -- implementations for various map classes. +** +** Each map class implements a series of functions: +** +** bool map_parse(MAP *map, char *args) +** Parse the arguments from the config file. Return true +** if they were ok, false otherwise. Fill in map with the +** values. +** +** char *map_lookup(MAP *map, char *key, char **args, int *pstat) +** Look up the key in the given map. If found, do any +** rewriting the map wants (including "args" if desired) +** and return the value. Set *pstat to the appropriate status +** on error and return NULL. Args will be NULL if called +** from the alias routines, although this should probably +** not be relied upon. It is suggested you call map_rewrite +** to return the results -- it takes care of null termination +** and uses a dynamically expanded buffer as needed. +** +** void map_store(MAP *map, char *key, char *value) +** Store the key:value pair in the map. +** +** bool map_open(MAP *map, int mode) +** Open the map for the indicated mode. Mode should +** be either O_RDONLY or O_RDWR. Return true if it +** was opened successfully, false otherwise. If the open +** failed and the MF_OPTIONAL flag is not set, it should +** also print an error. If the MF_ALIAS bit is set +** and this map class understands the @:@ convention, it +** should call aliaswait() before returning. +** +** void map_close(MAP *map) +** Close the map. +** +** This file also includes the implementation for getcanonname. +** It is currently implemented in a pretty ad-hoc manner; it ought +** to be more properly integrated into the map structure. +*/ + +#if O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL +# define LOCK_ON_OPEN 1 /* we can open/create a locked file */ +#else /* O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL */ +# define LOCK_ON_OPEN 0 /* no such luck -- bend over backwards */ +#endif /* O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL */ + +/* +** MAP_PARSEARGS -- parse config line arguments for database lookup +** +** This is a generic version of the map_parse method. +** +** Parameters: +** map -- the map being initialized. +** ap -- a pointer to the args on the config line. +** +** Returns: +** true -- if everything parsed OK. +** false -- otherwise. +** +** Side Effects: +** null terminates the filename; stores it in map +*/ + +bool +map_parseargs(map, ap) + MAP *map; + char *ap; +{ + register char *p = ap; + + /* + ** There is no check whether there is really an argument, + ** but that's not important enough to warrant extra code. + */ + + map->map_mflags |= MF_TRY0NULL|MF_TRY1NULL; + map->map_spacesub = SpaceSub; /* default value */ + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'N': + map->map_mflags |= MF_INCLNULL; + map->map_mflags &= ~MF_TRY0NULL; + break; + + case 'O': + map->map_mflags &= ~MF_TRY1NULL; + break; + + case 'o': + map->map_mflags |= MF_OPTIONAL; + break; + + case 'f': + map->map_mflags |= MF_NOFOLDCASE; + break; + + case 'm': + map->map_mflags |= MF_MATCHONLY; + break; + + case 'A': + map->map_mflags |= MF_APPEND; + break; + + case 'q': + map->map_mflags |= MF_KEEPQUOTES; + break; + + case 'a': + map->map_app = ++p; + break; + + case 'T': + map->map_tapp = ++p; + break; + + case 'k': + while (isascii(*++p) && isspace(*p)) + continue; + map->map_keycolnm = p; + break; + + case 'v': + while (isascii(*++p) && isspace(*p)) + continue; + map->map_valcolnm = p; + break; + + case 'z': + if (*++p != '\\') + map->map_coldelim = *p; + else + { + switch (*++p) + { + case 'n': + map->map_coldelim = '\n'; + break; + + case 't': + map->map_coldelim = '\t'; + break; + + default: + map->map_coldelim = '\\'; + } + } + break; + + case 't': + map->map_mflags |= MF_NODEFER; + break; + + + case 'S': + map->map_spacesub = *++p; + break; + + case 'D': + map->map_mflags |= MF_DEFER; + break; + + default: + syserr("Illegal option %c map %s", *p, map->map_mname); + break; + } + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + } + if (map->map_app != NULL) + map->map_app = newstr(map->map_app); + if (map->map_tapp != NULL) + map->map_tapp = newstr(map->map_tapp); + if (map->map_keycolnm != NULL) + map->map_keycolnm = newstr(map->map_keycolnm); + if (map->map_valcolnm != NULL) + map->map_valcolnm = newstr(map->map_valcolnm); + + if (*p != '\0') + { + map->map_file = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + map->map_file = newstr(map->map_file); + } + + while (*p != '\0' && isascii(*p) && isspace(*p)) + p++; + if (*p != '\0') + map->map_rebuild = newstr(p); + + if (map->map_file == NULL && + !bitset(MCF_OPTFILE, map->map_class->map_cflags)) + { + syserr("No file name for %s map %s", + map->map_class->map_cname, map->map_mname); + return false; + } + return true; +} +/* +** MAP_REWRITE -- rewrite a database key, interpolating %n indications. +** +** It also adds the map_app string. It can be used as a utility +** in the map_lookup method. +** +** Parameters: +** map -- the map that causes this. +** s -- the string to rewrite, NOT necessarily null terminated. +** slen -- the length of s. +** av -- arguments to interpolate into buf. +** +** Returns: +** Pointer to rewritten result. This is static data that +** should be copied if it is to be saved! +*/ + +char * +map_rewrite(map, s, slen, av) + register MAP *map; + register const char *s; + size_t slen; + char **av; +{ + register char *bp; + register char c; + char **avp; + register char *ap; + size_t l; + size_t len; + static size_t buflen = 0; + static char *buf = NULL; + + if (tTd(39, 1)) + { + sm_dprintf("map_rewrite(%.*s), av =", (int) slen, s); + if (av == NULL) + sm_dprintf(" (nullv)"); + else + { + for (avp = av; *avp != NULL; avp++) + sm_dprintf("\n\t%s", *avp); + } + sm_dprintf("\n"); + } + + /* count expected size of output (can safely overestimate) */ + l = len = slen; + if (av != NULL) + { + const char *sp = s; + + while (l-- > 0 && (c = *sp++) != '\0') + { + if (c != '%') + continue; + if (l-- <= 0) + break; + c = *sp++; + if (!(isascii(c) && isdigit(c))) + continue; + for (avp = av; --c >= '0' && *avp != NULL; avp++) + continue; + if (*avp == NULL) + continue; + len += strlen(*avp); + } + } + if (map->map_app != NULL) + len += strlen(map->map_app); + if (buflen < ++len) + { + /* need to malloc additional space */ + buflen = len; + if (buf != NULL) + sm_free(buf); + buf = sm_pmalloc_x(buflen); + } + + bp = buf; + if (av == NULL) + { + memmove(bp, s, slen); + bp += slen; + + /* assert(len > slen); */ + len -= slen; + } + else + { + while (slen-- > 0 && (c = *s++) != '\0') + { + if (c != '%') + { + pushc: + if (len-- <= 1) + break; + *bp++ = c; + continue; + } + if (slen-- <= 0 || (c = *s++) == '\0') + c = '%'; + if (c == '%') + goto pushc; + if (!(isascii(c) && isdigit(c))) + { + if (len-- <= 1) + break; + *bp++ = '%'; + goto pushc; + } + for (avp = av; --c >= '0' && *avp != NULL; avp++) + continue; + if (*avp == NULL) + continue; + + /* transliterate argument into output string */ + for (ap = *avp; (c = *ap++) != '\0' && len > 0; --len) + *bp++ = c; + } + } + if (map->map_app != NULL && len > 0) + (void) sm_strlcpy(bp, map->map_app, len); + else + *bp = '\0'; + if (tTd(39, 1)) + sm_dprintf("map_rewrite => %s\n", buf); + return buf; +} +/* +** INITMAPS -- rebuild alias maps +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +void +initmaps() +{ +#if XDEBUG + checkfd012("entering initmaps"); +#endif /* XDEBUG */ + stabapply(map_init, 0); +#if XDEBUG + checkfd012("exiting initmaps"); +#endif /* XDEBUG */ +} +/* +** MAP_INIT -- rebuild a map +** +** Parameters: +** s -- STAB entry: if map: try to rebuild +** unused -- unused variable +** +** Returns: +** none. +** +** Side Effects: +** will close already open rebuildable map. +*/ + +/* ARGSUSED1 */ +static void +map_init(s, unused) + register STAB *s; + int unused; +{ + register MAP *map; + + /* has to be a map */ + if (s->s_symtype != ST_MAP) + return; + + map = &s->s_map; + if (!bitset(MF_VALID, map->map_mflags)) + return; + + if (tTd(38, 2)) + sm_dprintf("map_init(%s:%s, %s)\n", + map->map_class->map_cname == NULL ? "NULL" : + map->map_class->map_cname, + map->map_mname == NULL ? "NULL" : map->map_mname, + map->map_file == NULL ? "NULL" : map->map_file); + + if (!bitset(MF_ALIAS, map->map_mflags) || + !bitset(MCF_REBUILDABLE, map->map_class->map_cflags)) + { + if (tTd(38, 3)) + sm_dprintf("\tnot rebuildable\n"); + return; + } + + /* if already open, close it (for nested open) */ + if (bitset(MF_OPEN, map->map_mflags)) + { + map->map_mflags |= MF_CLOSING; + map->map_class->map_close(map); + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + } + + (void) rebuildaliases(map, false); + return; +} +/* +** OPENMAP -- open a map +** +** Parameters: +** map -- map to open (it must not be open). +** +** Returns: +** whether open succeeded. +*/ + +bool +openmap(map) + MAP *map; +{ + bool restore = false; + bool savehold = HoldErrs; + bool savequick = QuickAbort; + int saveerrors = Errors; + + if (!bitset(MF_VALID, map->map_mflags)) + return false; + + /* better safe than sorry... */ + if (bitset(MF_OPEN, map->map_mflags)) + return true; + + /* Don't send a map open error out via SMTP */ + if ((OnlyOneError || QuickAbort) && + (OpMode == MD_SMTP || OpMode == MD_DAEMON)) + { + restore = true; + HoldErrs = true; + QuickAbort = false; + } + + errno = 0; + if (map->map_class->map_open(map, O_RDONLY)) + { + if (tTd(38, 4)) + sm_dprintf("openmap()\t%s:%s %s: valid\n", + map->map_class->map_cname == NULL ? "NULL" : + map->map_class->map_cname, + map->map_mname == NULL ? "NULL" : + map->map_mname, + map->map_file == NULL ? "NULL" : + map->map_file); + map->map_mflags |= MF_OPEN; + map->map_pid = CurrentPid; + } + else + { + if (tTd(38, 4)) + sm_dprintf("openmap()\t%s:%s %s: invalid%s%s\n", + map->map_class->map_cname == NULL ? "NULL" : + map->map_class->map_cname, + map->map_mname == NULL ? "NULL" : + map->map_mname, + map->map_file == NULL ? "NULL" : + map->map_file, + errno == 0 ? "" : ": ", + errno == 0 ? "" : sm_errstring(errno)); + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + extern MAPCLASS BogusMapClass; + + map->map_orgclass = map->map_class; + map->map_class = &BogusMapClass; + map->map_mflags |= MF_OPEN|MF_OPENBOGUS; + map->map_pid = CurrentPid; + } + else + { + /* don't try again */ + map->map_mflags &= ~MF_VALID; + } + } + + if (restore) + { + Errors = saveerrors; + HoldErrs = savehold; + QuickAbort = savequick; + } + + return bitset(MF_OPEN, map->map_mflags); +} +/* +** CLOSEMAPS -- close all open maps opened by the current pid. +** +** Parameters: +** bogus -- only close bogus maps. +** +** Returns: +** none. +*/ + +void +closemaps(bogus) + bool bogus; +{ + stabapply(map_close, bogus); +} +/* +** MAP_CLOSE -- close a map opened by the current pid. +** +** Parameters: +** s -- STAB entry: if map: try to close +** bogus -- only close bogus maps or MCF_NOTPERSIST maps. +** +** Returns: +** none. +*/ + +/* ARGSUSED1 */ +static void +map_close(s, bogus) + register STAB *s; + int bogus; /* int because of stabapply(), used as bool */ +{ + MAP *map; + extern MAPCLASS BogusMapClass; + + if (s->s_symtype != ST_MAP) + return; + + map = &s->s_map; + + /* + ** close the map iff: + ** it is valid and open and opened by this process + ** and (!bogus or it's a bogus map or it is not persistent) + ** negate this: return iff + ** it is not valid or it is not open or not opened by this process + ** or (bogus and it's not a bogus map and it's not not-persistent) + */ + + if (!bitset(MF_VALID, map->map_mflags) || + !bitset(MF_OPEN, map->map_mflags) || + bitset(MF_CLOSING, map->map_mflags) || + map->map_pid != CurrentPid || + (bogus && map->map_class != &BogusMapClass && + !bitset(MCF_NOTPERSIST, map->map_class->map_cflags))) + return; + + if (map->map_class == &BogusMapClass && map->map_orgclass != NULL && + map->map_orgclass != &BogusMapClass) + map->map_class = map->map_orgclass; + if (tTd(38, 5)) + sm_dprintf("closemaps: closing %s (%s)\n", + map->map_mname == NULL ? "NULL" : map->map_mname, + map->map_file == NULL ? "NULL" : map->map_file); + + if (!bitset(MF_OPENBOGUS, map->map_mflags)) + { + map->map_mflags |= MF_CLOSING; + map->map_class->map_close(map); + } + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_OPENBOGUS|MF_CLOSING); +} +/* +** GETCANONNAME -- look up name using service switch +** +** Parameters: +** host -- the host name to look up. +** hbsize -- the size of the host buffer. +** trymx -- if set, try MX records. +** pttl -- pointer to return TTL (can be NULL). +** +** Returns: +** true -- if the host was found. +** false -- otherwise. +*/ + +bool +getcanonname(host, hbsize, trymx, pttl) + char *host; + int hbsize; + bool trymx; + int *pttl; +{ + int nmaps; + int mapno; + bool found = false; + bool got_tempfail = false; + auto int status; + char *maptype[MAXMAPSTACK]; + short mapreturn[MAXMAPACTIONS]; + + nmaps = switch_map_find("hosts", maptype, mapreturn); + if (pttl != 0) + *pttl = SM_DEFAULT_TTL; + for (mapno = 0; mapno < nmaps; mapno++) + { + int i; + + if (tTd(38, 20)) + sm_dprintf("getcanonname(%s), trying %s\n", + host, maptype[mapno]); + if (strcmp("files", maptype[mapno]) == 0) + { + found = text_getcanonname(host, hbsize, &status); + } +#if NIS + else if (strcmp("nis", maptype[mapno]) == 0) + { + found = nis_getcanonname(host, hbsize, &status); + } +#endif /* NIS */ +#if NISPLUS + else if (strcmp("nisplus", maptype[mapno]) == 0) + { + found = nisplus_getcanonname(host, hbsize, &status); + } +#endif /* NISPLUS */ +#if NAMED_BIND + else if (strcmp("dns", maptype[mapno]) == 0) + { + found = dns_getcanonname(host, hbsize, trymx, &status, pttl); + } +#endif /* NAMED_BIND */ +#if NETINFO + else if (strcmp("netinfo", maptype[mapno]) == 0) + { + found = ni_getcanonname(host, hbsize, &status); + } +#endif /* NETINFO */ + else + { + found = false; + status = EX_UNAVAILABLE; + } + + /* + ** Heuristic: if $m is not set, we are running during system + ** startup. In this case, when a name is apparently found + ** but has no dot, treat is as not found. This avoids + ** problems if /etc/hosts has no FQDN but is listed first + ** in the service switch. + */ + + if (found && + (macvalue('m', CurEnv) != NULL || strchr(host, '.') != NULL)) + break; + + /* see if we should continue */ + if (status == EX_TEMPFAIL) + { + i = MA_TRYAGAIN; + got_tempfail = true; + } + else if (status == EX_NOTFOUND) + i = MA_NOTFOUND; + else + i = MA_UNAVAIL; + if (bitset(1 << mapno, mapreturn[i])) + break; + } + + if (found) + { + char *d; + + if (tTd(38, 20)) + sm_dprintf("getcanonname(%s), found\n", host); + + /* + ** If returned name is still single token, compensate + ** by tagging on $m. This is because some sites set + ** up their DNS or NIS databases wrong. + */ + + if ((d = strchr(host, '.')) == NULL || d[1] == '\0') + { + d = macvalue('m', CurEnv); + if (d != NULL && + hbsize > (int) (strlen(host) + strlen(d) + 1)) + { + if (host[strlen(host) - 1] != '.') + (void) sm_strlcat2(host, ".", d, + hbsize); + else + (void) sm_strlcat(host, d, hbsize); + } + else + return false; + } + return true; + } + + if (tTd(38, 20)) + sm_dprintf("getcanonname(%s), failed, status=%d\n", host, + status); + + if (got_tempfail) + SM_SET_H_ERRNO(TRY_AGAIN); + else + SM_SET_H_ERRNO(HOST_NOT_FOUND); + + return false; +} +/* +** EXTRACT_CANONNAME -- extract canonical name from /etc/hosts entry +** +** Parameters: +** name -- the name against which to match. +** dot -- where to reinsert '.' to get FQDN +** line -- the /etc/hosts line. +** cbuf -- the location to store the result. +** cbuflen -- the size of cbuf. +** +** Returns: +** true -- if the line matched the desired name. +** false -- otherwise. +*/ + +static bool +extract_canonname(name, dot, line, cbuf, cbuflen) + char *name; + char *dot; + char *line; + char cbuf[]; + int cbuflen; +{ + int i; + char *p; + bool found = false; + + cbuf[0] = '\0'; + if (line[0] == '#') + return false; + + for (i = 1; ; i++) + { + char nbuf[MAXNAME + 1]; + + p = get_column(line, i, '\0', nbuf, sizeof nbuf); + if (p == NULL) + break; + if (*p == '\0') + continue; + if (cbuf[0] == '\0' || + (strchr(cbuf, '.') == NULL && strchr(p, '.') != NULL)) + { + (void) sm_strlcpy(cbuf, p, cbuflen); + } + if (sm_strcasecmp(name, p) == 0) + found = true; + else if (dot != NULL) + { + /* try looking for the FQDN as well */ + *dot = '.'; + if (sm_strcasecmp(name, p) == 0) + found = true; + *dot = '\0'; + } + } + if (found && strchr(cbuf, '.') == NULL) + { + /* try to add a domain on the end of the name */ + char *domain = macvalue('m', CurEnv); + + if (domain != NULL && + strlen(domain) + (i = strlen(cbuf)) + 1 < (size_t) cbuflen) + { + p = &cbuf[i]; + *p++ = '.'; + (void) sm_strlcpy(p, domain, cbuflen - i - 1); + } + } + return found; +} + +/* +** DNS modules +*/ + +#if NAMED_BIND +# if DNSMAP + +# include "sm_resolve.h" +# if NETINET || NETINET6 +# include +# endif /* NETINET || NETINET6 */ + +/* +** DNS_MAP_OPEN -- stub to check proper value for dns map type +*/ + +bool +dns_map_open(map, mode) + MAP *map; + int mode; +{ + if (tTd(38,2)) + sm_dprintf("dns_map_open(%s, %d)\n", map->map_mname, mode); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + return true; +} + +/* +** DNS_MAP_PARSEARGS -- parse dns map definition args. +** +** Parameters: +** map -- pointer to MAP +** args -- pointer to the args on the config line. +** +** Returns: +** true -- if everything parsed OK. +** false -- otherwise. +*/ + +# if _FFR_DNSMAP_MULTILIMIT +# if !_FFR_DNSMAP_MULTI + ERROR README: You must define _FFR_DNSMAP_MULTI to use _FFR_DNSMAP_MULTILIMIT +# endif /* ! _FFR_DNSMAP_MULTI */ +# endif /* _FFR_DNSMAP_MULTILIMIT */ + +# if _FFR_DNSMAP_MULTI +# if _FFR_DNSMAP_MULTILIMIT +# define map_sizelimit map_lockfd /* overload field */ +# endif /* _FFR_DNSMAP_MULTILIMIT */ +# endif /* _FFR_DNSMAP_MULTI */ + +struct dns_map +{ + int dns_m_type; +}; + +bool +dns_map_parseargs(map,args) + MAP *map; + char *args; +{ + register char *p = args; + struct dns_map *map_p; + + map_p = (struct dns_map *) xalloc(sizeof *map_p); + map_p->dns_m_type = -1; + map->map_mflags |= MF_TRY0NULL|MF_TRY1NULL; + + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'N': + map->map_mflags |= MF_INCLNULL; + map->map_mflags &= ~MF_TRY0NULL; + break; + + case 'O': + map->map_mflags &= ~MF_TRY1NULL; + break; + + case 'o': + map->map_mflags |= MF_OPTIONAL; + break; + + case 'f': + map->map_mflags |= MF_NOFOLDCASE; + break; + + case 'm': + map->map_mflags |= MF_MATCHONLY; + break; + + case 'A': + map->map_mflags |= MF_APPEND; + break; + + case 'q': + map->map_mflags |= MF_KEEPQUOTES; + break; + + case 't': + map->map_mflags |= MF_NODEFER; + break; + + case 'a': + map->map_app = ++p; + break; + + case 'T': + map->map_tapp = ++p; + break; + + case 'd': + { + char *h; + + ++p; + h = strchr(p, ' '); + if (h != NULL) + *h = '\0'; + map->map_timeout = convtime(p, 's'); + if (h != NULL) + *h = ' '; + } + break; + + case 'r': + while (isascii(*++p) && isspace(*p)) + continue; + map->map_retry = atoi(p); + break; + +# if _FFR_DNSMAP_MULTI + case 'z': + if (*++p != '\\') + map->map_coldelim = *p; + else + { + switch (*++p) + { + case 'n': + map->map_coldelim = '\n'; + break; + + case 't': + map->map_coldelim = '\t'; + break; + + default: + map->map_coldelim = '\\'; + } + } + break; + +# if _FFR_DNSMAP_MULTILIMIT + case 'Z': + while (isascii(*++p) && isspace(*p)) + continue; + map->map_sizelimit = atoi(p); + break; +# endif /* _FFR_DNSMAP_MULTILIMIT */ +# endif /* _FFR_DNSMAP_MULTI */ + + /* Start of dns_map specific args */ + case 'R': /* search field */ + { + char *h; + + while (isascii(*++p) && isspace(*p)) + continue; + h = strchr(p, ' '); + if (h != NULL) + *h = '\0'; + map_p->dns_m_type = dns_string_to_type(p); + if (h != NULL) + *h = ' '; + if (map_p->dns_m_type < 0) + syserr("dns map %s: wrong type %s", + map->map_mname, p); + } + break; + +# if _FFR_DNSMAP_BASE + case 'B': /* base domain */ + { + char *h; + + while (isascii(*++p) && isspace(*p)) + continue; + h = strchr(p, ' '); + if (h != NULL) + *h = '\0'; + + /* + ** slight abuse of map->map_file; it isn't + ** used otherwise in this map type. + */ + + map->map_file = newstr(p); + if (h != NULL) + *h = ' '; + } + break; +# endif /* _FFR_DNSMAP_BASE */ + + } + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + } + if (map_p->dns_m_type < 0) + syserr("dns map %s: missing -R type", map->map_mname); + if (map->map_app != NULL) + map->map_app = newstr(map->map_app); + if (map->map_tapp != NULL) + map->map_tapp = newstr(map->map_tapp); + + /* + ** Assumption: assert(sizeof int <= sizeof(ARBPTR_T)); + ** Even if this assumption is wrong, we use only one byte, + ** so it doesn't really matter. + */ + + map->map_db1 = (ARBPTR_T) map_p; + return true; +} + +/* +** DNS_MAP_LOOKUP -- perform dns map lookup. +** +** Parameters: +** map -- pointer to MAP +** name -- name to lookup +** av -- arguments to interpolate into buf. +** statp -- pointer to status (EX_) +** +** Returns: +** result of lookup if succeeded. +** NULL -- otherwise. +*/ + +char * +dns_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ +# if _FFR_DNSMAP_MULTI +# if _FFR_DNSMAP_MULTILIMIT + int resnum = 0; +# endif /* _FFR_DNSMAP_MULTILIMIT */ +# endif /* _FFR_DNSMAP_MULTI */ + char *vp = NULL, *result = NULL; + size_t vsize; + struct dns_map *map_p; + RESOURCE_RECORD_T *rr = NULL; + DNS_REPLY_T *r = NULL; +# if NETINET6 + static char buf6[INET6_ADDRSTRLEN]; +# endif /* NETINET6 */ + + if (tTd(38, 20)) + sm_dprintf("dns_map_lookup(%s, %s)\n", + map->map_mname, name); + + map_p = (struct dns_map *)(map->map_db1); +# if _FFR_DNSMAP_BASE + if (map->map_file != NULL && *map->map_file != '\0') + { + size_t len; + char *appdomain; + + len = strlen(map->map_file) + strlen(name) + 2; + appdomain = (char *) sm_malloc(len); + if (appdomain == NULL) + { + *statp = EX_UNAVAILABLE; + return NULL; + } + (void) sm_strlcpyn(appdomain, len, 3, name, ".", map->map_file); + r = dns_lookup_int(appdomain, C_IN, map_p->dns_m_type, + map->map_timeout, map->map_retry); + sm_free(appdomain); + } + else +# endif /* _FFR_DNSMAP_BASE */ + { + r = dns_lookup_int(name, C_IN, map_p->dns_m_type, + map->map_timeout, map->map_retry); + } + + if (r == NULL) + { + result = NULL; + if (h_errno == TRY_AGAIN || transienterror(errno)) + *statp = EX_TEMPFAIL; + else + *statp = EX_NOTFOUND; + goto cleanup; + } + *statp = EX_OK; + for (rr = r->dns_r_head; rr != NULL; rr = rr->rr_next) + { + char *type = NULL; + char *value = NULL; + + switch (rr->rr_type) + { + case T_NS: + type = "T_NS"; + value = rr->rr_u.rr_txt; + break; + case T_CNAME: + type = "T_CNAME"; + value = rr->rr_u.rr_txt; + break; + case T_AFSDB: + type = "T_AFSDB"; + value = rr->rr_u.rr_mx->mx_r_domain; + break; + case T_SRV: + type = "T_SRV"; + value = rr->rr_u.rr_srv->srv_r_target; + break; + case T_PTR: + type = "T_PTR"; + value = rr->rr_u.rr_txt; + break; + case T_TXT: + type = "T_TXT"; + value = rr->rr_u.rr_txt; + break; + case T_MX: + type = "T_MX"; + value = rr->rr_u.rr_mx->mx_r_domain; + break; +# if NETINET + case T_A: + type = "T_A"; + value = inet_ntoa(*(rr->rr_u.rr_a)); + break; +# endif /* NETINET */ +# if NETINET6 + case T_AAAA: + type = "T_AAAA"; + value = anynet_ntop(rr->rr_u.rr_aaaa, buf6, + sizeof buf6); + break; +# endif /* NETINET6 */ + } + + (void) strreplnonprt(value, 'X'); + if (map_p->dns_m_type != rr->rr_type) + { + if (tTd(38, 40)) + sm_dprintf("\tskipping type %s (%d) value %s\n", + type != NULL ? type : "", + rr->rr_type, + value != NULL ? value : ""); + continue; + } + +# if NETINET6 + if (rr->rr_type == T_AAAA && value == NULL) + { + result = NULL; + *statp = EX_DATAERR; + if (tTd(38, 40)) + sm_dprintf("\tbad T_AAAA conversion\n"); + goto cleanup; + } +# endif /* NETINET6 */ + if (tTd(38, 40)) + sm_dprintf("\tfound type %s (%d) value %s\n", + type != NULL ? type : "", + rr->rr_type, + value != NULL ? value : ""); +# if _FFR_DNSMAP_MULTI + if (value != NULL && + (map->map_coldelim == '\0' || +# if _FFR_DNSMAP_MULTILIMIT + map->map_sizelimit == 1 || +# endif /* _FFR_DNSMAP_MULTILIMIT */ + bitset(MF_MATCHONLY, map->map_mflags))) + { + /* Only care about the first match */ + vp = newstr(value); + break; + } + else if (vp == NULL) + { + /* First result */ + vp = newstr(value); + } + else + { + /* concatenate the results */ + int sz; + char *new; + + sz = strlen(vp) + strlen(value) + 2; + new = xalloc(sz); + (void) sm_snprintf(new, sz, "%s%c%s", + vp, map->map_coldelim, value); + sm_free(vp); + vp = new; +# if _FFR_DNSMAP_MULTILIMIT + if (map->map_sizelimit > 0 && + ++resnum >= map->map_sizelimit) + break; +# endif /* _FFR_DNSMAP_MULTILIMIT */ + } +# else /* _FFR_DNSMAP_MULTI */ + vp = value; + break; +# endif /* _FFR_DNSMAP_MULTI */ + } + if (vp == NULL) + { + result = NULL; + *statp = EX_NOTFOUND; + if (tTd(38, 40)) + sm_dprintf("\tno match found\n"); + goto cleanup; + } + +# if _FFR_DNSMAP_MULTI + /* Cleanly truncate for rulesets */ + truncate_at_delim(vp, PSBUFSIZE / 2, map->map_coldelim); +# endif /* _FFR_DNSMAP_MULTI */ + + vsize = strlen(vp); + + if (LogLevel > 9) + sm_syslog(LOG_INFO, CurEnv->e_id, "dns %.100s => %s", + name, vp); + if (bitset(MF_MATCHONLY, map->map_mflags)) + result = map_rewrite(map, name, strlen(name), NULL); + else + result = map_rewrite(map, vp, vsize, av); + + cleanup: +# if _FFR_DNSMAP_MULTI + if (vp != NULL) + sm_free(vp); +# endif /* _FFR_DNSMAP_MULTI */ + if (r != NULL) + dns_free_data(r); + return result; +} +# endif /* DNSMAP */ +#endif /* NAMED_BIND */ + +/* +** NDBM modules +*/ + +#if NDBM + +/* +** NDBM_MAP_OPEN -- DBM-style map open +*/ + +bool +ndbm_map_open(map, mode) + MAP *map; + int mode; +{ + register DBM *dbm; + int save_errno; + int dfd; + int pfd; + long sff; + int ret; + int smode = S_IREAD; + char dirfile[MAXPATHLEN]; + char pagfile[MAXPATHLEN]; + struct stat st; + struct stat std, stp; + + if (tTd(38, 2)) + sm_dprintf("ndbm_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + map->map_lockfd = -1; + mode &= O_ACCMODE; + + /* do initial file and directory checks */ + if (sm_strlcpyn(dirfile, sizeof dirfile, 2, + map->map_file, ".dir") >= sizeof dirfile || + sm_strlcpyn(pagfile, sizeof pagfile, 2, + map->map_file, ".pag") >= sizeof pagfile) + { + errno = 0; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("dbm map \"%s\": map file %s name too long", + map->map_mname, map->map_file); + return false; + } + sff = SFF_ROOTOK|SFF_REGONLY; + if (mode == O_RDWR) + { + sff |= SFF_CREAT; + if (!bitnset(DBS_WRITEMAPTOSYMLINK, DontBlameSendmail)) + sff |= SFF_NOSLINK; + if (!bitnset(DBS_WRITEMAPTOHARDLINK, DontBlameSendmail)) + sff |= SFF_NOHLINK; + smode = S_IWRITE; + } + else + { + if (!bitnset(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + } + if (!bitnset(DBS_MAPINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + ret = safefile(dirfile, RunAsUid, RunAsGid, RunAsUserName, + sff, smode, &std); + if (ret == 0) + ret = safefile(pagfile, RunAsUid, RunAsGid, RunAsUserName, + sff, smode, &stp); + + if (ret != 0) + { + char *prob = "unsafe"; + + /* cannot open this map */ + if (ret == ENOENT) + prob = "missing"; + if (tTd(38, 2)) + sm_dprintf("\t%s map file: %d\n", prob, ret); + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("dbm map \"%s\": %s map file %s", + map->map_mname, prob, map->map_file); + return false; + } + if (std.st_mode == ST_MODE_NOFILE) + mode |= O_CREAT|O_EXCL; + +# if LOCK_ON_OPEN + if (mode == O_RDONLY) + mode |= O_SHLOCK; + else + mode |= O_TRUNC|O_EXLOCK; +# else /* LOCK_ON_OPEN */ + if ((mode & O_ACCMODE) == O_RDWR) + { +# if NOFTRUNCATE + /* + ** Warning: race condition. Try to lock the file as + ** quickly as possible after opening it. + ** This may also have security problems on some systems, + ** but there isn't anything we can do about it. + */ + + mode |= O_TRUNC; +# else /* NOFTRUNCATE */ + /* + ** This ugly code opens the map without truncating it, + ** locks the file, then truncates it. Necessary to + ** avoid race conditions. + */ + + int dirfd; + int pagfd; + long sff = SFF_CREAT|SFF_OPENASROOT; + + if (!bitnset(DBS_WRITEMAPTOSYMLINK, DontBlameSendmail)) + sff |= SFF_NOSLINK; + if (!bitnset(DBS_WRITEMAPTOHARDLINK, DontBlameSendmail)) + sff |= SFF_NOHLINK; + + dirfd = safeopen(dirfile, mode, DBMMODE, sff); + pagfd = safeopen(pagfile, mode, DBMMODE, sff); + + if (dirfd < 0 || pagfd < 0) + { + save_errno = errno; + if (dirfd >= 0) + (void) close(dirfd); + if (pagfd >= 0) + (void) close(pagfd); + errno = save_errno; + syserr("ndbm_map_open: cannot create database %s", + map->map_file); + return false; + } + if (ftruncate(dirfd, (off_t) 0) < 0 || + ftruncate(pagfd, (off_t) 0) < 0) + { + save_errno = errno; + (void) close(dirfd); + (void) close(pagfd); + errno = save_errno; + syserr("ndbm_map_open: cannot truncate %s.{dir,pag}", + map->map_file); + return false; + } + + /* if new file, get "before" bits for later filechanged check */ + if (std.st_mode == ST_MODE_NOFILE && + (fstat(dirfd, &std) < 0 || fstat(pagfd, &stp) < 0)) + { + save_errno = errno; + (void) close(dirfd); + (void) close(pagfd); + errno = save_errno; + syserr("ndbm_map_open(%s.{dir,pag}): cannot fstat pre-opened file", + map->map_file); + return false; + } + + /* have to save the lock for the duration (bletch) */ + map->map_lockfd = dirfd; + (void) close(pagfd); + + /* twiddle bits for dbm_open */ + mode &= ~(O_CREAT|O_EXCL); +# endif /* NOFTRUNCATE */ + } +# endif /* LOCK_ON_OPEN */ + + /* open the database */ + dbm = dbm_open(map->map_file, mode, DBMMODE); + if (dbm == NULL) + { + save_errno = errno; + if (bitset(MF_ALIAS, map->map_mflags) && + aliaswait(map, ".pag", false)) + return true; +# if !LOCK_ON_OPEN && !NOFTRUNCATE + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN && !NOFTRUNCATE */ + errno = save_errno; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("Cannot open DBM database %s", map->map_file); + return false; + } + dfd = dbm_dirfno(dbm); + pfd = dbm_pagfno(dbm); + if (dfd == pfd) + { + /* heuristic: if files are linked, this is actually gdbm */ + dbm_close(dbm); +# if !LOCK_ON_OPEN && !NOFTRUNCATE + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN && !NOFTRUNCATE */ + errno = 0; + syserr("dbm map \"%s\": cannot support GDBM", + map->map_mname); + return false; + } + + if (filechanged(dirfile, dfd, &std) || + filechanged(pagfile, pfd, &stp)) + { + save_errno = errno; + dbm_close(dbm); +# if !LOCK_ON_OPEN && !NOFTRUNCATE + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN && !NOFTRUNCATE */ + errno = save_errno; + syserr("ndbm_map_open(%s): file changed after open", + map->map_file); + return false; + } + + map->map_db1 = (ARBPTR_T) dbm; + + /* + ** Need to set map_mtime before the call to aliaswait() + ** as aliaswait() will call map_lookup() which requires + ** map_mtime to be set + */ + + if (fstat(pfd, &st) >= 0) + map->map_mtime = st.st_mtime; + + if (mode == O_RDONLY) + { +# if LOCK_ON_OPEN + if (dfd >= 0) + (void) lockfile(dfd, map->map_file, ".dir", LOCK_UN); + if (pfd >= 0) + (void) lockfile(pfd, map->map_file, ".pag", LOCK_UN); +# endif /* LOCK_ON_OPEN */ + if (bitset(MF_ALIAS, map->map_mflags) && + !aliaswait(map, ".pag", true)) + return false; + } + else + { + map->map_mflags |= MF_LOCKED; + if (geteuid() == 0 && TrustedUid != 0) + { +# if HASFCHOWN + if (fchown(dfd, TrustedUid, -1) < 0 || + fchown(pfd, TrustedUid, -1) < 0) + { + int err = errno; + + sm_syslog(LOG_ALERT, NOQID, + "ownership change on %s failed: %s", + map->map_file, sm_errstring(err)); + message("050 ownership change on %s failed: %s", + map->map_file, sm_errstring(err)); + } +# else /* HASFCHOWN */ + sm_syslog(LOG_ALERT, NOQID, + "no fchown(): cannot change ownership on %s", + map->map_file); + message("050 no fchown(): cannot change ownership on %s", + map->map_file); +# endif /* HASFCHOWN */ + } + } + return true; +} + + +/* +** NDBM_MAP_LOOKUP -- look up a datum in a DBM-type map +*/ + +char * +ndbm_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + datum key, val; + int dfd, pfd; + char keybuf[MAXNAME + 1]; + struct stat stbuf; + + if (tTd(38, 20)) + sm_dprintf("ndbm_map_lookup(%s, %s)\n", + map->map_mname, name); + + key.dptr = name; + key.dsize = strlen(name); + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + { + if (key.dsize > sizeof keybuf - 1) + key.dsize = sizeof keybuf - 1; + memmove(keybuf, key.dptr, key.dsize); + keybuf[key.dsize] = '\0'; + makelower(keybuf); + key.dptr = keybuf; + } +lockdbm: + dfd = dbm_dirfno((DBM *) map->map_db1); + if (dfd >= 0 && !bitset(MF_LOCKED, map->map_mflags)) + (void) lockfile(dfd, map->map_file, ".dir", LOCK_SH); + pfd = dbm_pagfno((DBM *) map->map_db1); + if (pfd < 0 || fstat(pfd, &stbuf) < 0 || + stbuf.st_mtime > map->map_mtime) + { + /* Reopen the database to sync the cache */ + int omode = bitset(map->map_mflags, MF_WRITABLE) ? O_RDWR + : O_RDONLY; + + if (dfd >= 0 && !bitset(MF_LOCKED, map->map_mflags)) + (void) lockfile(dfd, map->map_file, ".dir", LOCK_UN); + map->map_mflags |= MF_CLOSING; + map->map_class->map_close(map); + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + if (map->map_class->map_open(map, omode)) + { + map->map_mflags |= MF_OPEN; + map->map_pid = CurrentPid; + if ((omode && O_ACCMODE) == O_RDWR) + map->map_mflags |= MF_WRITABLE; + goto lockdbm; + } + else + { + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + extern MAPCLASS BogusMapClass; + + *statp = EX_TEMPFAIL; + map->map_orgclass = map->map_class; + map->map_class = &BogusMapClass; + map->map_mflags |= MF_OPEN; + map->map_pid = CurrentPid; + syserr("Cannot reopen NDBM database %s", + map->map_file); + } + return NULL; + } + } + val.dptr = NULL; + if (bitset(MF_TRY0NULL, map->map_mflags)) + { + val = dbm_fetch((DBM *) map->map_db1, key); + if (val.dptr != NULL) + map->map_mflags &= ~MF_TRY1NULL; + } + if (val.dptr == NULL && bitset(MF_TRY1NULL, map->map_mflags)) + { + key.dsize++; + val = dbm_fetch((DBM *) map->map_db1, key); + if (val.dptr != NULL) + map->map_mflags &= ~MF_TRY0NULL; + } + if (dfd >= 0 && !bitset(MF_LOCKED, map->map_mflags)) + (void) lockfile(dfd, map->map_file, ".dir", LOCK_UN); + if (val.dptr == NULL) + return NULL; + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, name, strlen(name), NULL); + else + return map_rewrite(map, val.dptr, val.dsize, av); +} + + +/* +** NDBM_MAP_STORE -- store a datum in the database +*/ + +void +ndbm_map_store(map, lhs, rhs) + register MAP *map; + char *lhs; + char *rhs; +{ + datum key; + datum data; + int status; + char keybuf[MAXNAME + 1]; + + if (tTd(38, 12)) + sm_dprintf("ndbm_map_store(%s, %s, %s)\n", + map->map_mname, lhs, rhs); + + key.dsize = strlen(lhs); + key.dptr = lhs; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + { + if (key.dsize > sizeof keybuf - 1) + key.dsize = sizeof keybuf - 1; + memmove(keybuf, key.dptr, key.dsize); + keybuf[key.dsize] = '\0'; + makelower(keybuf); + key.dptr = keybuf; + } + + data.dsize = strlen(rhs); + data.dptr = rhs; + + if (bitset(MF_INCLNULL, map->map_mflags)) + { + key.dsize++; + data.dsize++; + } + + status = dbm_store((DBM *) map->map_db1, key, data, DBM_INSERT); + if (status > 0) + { + if (!bitset(MF_APPEND, map->map_mflags)) + message("050 Warning: duplicate alias name %s", lhs); + else + { + static char *buf = NULL; + static int bufsiz = 0; + auto int xstat; + datum old; + + old.dptr = ndbm_map_lookup(map, key.dptr, + (char **) NULL, &xstat); + if (old.dptr != NULL && *(char *) old.dptr != '\0') + { + old.dsize = strlen(old.dptr); + if (data.dsize + old.dsize + 2 > bufsiz) + { + if (buf != NULL) + (void) sm_free(buf); + bufsiz = data.dsize + old.dsize + 2; + buf = sm_pmalloc_x(bufsiz); + } + (void) sm_strlcpyn(buf, bufsiz, 3, + data.dptr, ",", old.dptr); + data.dsize = data.dsize + old.dsize + 1; + data.dptr = buf; + if (tTd(38, 9)) + sm_dprintf("ndbm_map_store append=%s\n", + data.dptr); + } + } + status = dbm_store((DBM *) map->map_db1, + key, data, DBM_REPLACE); + } + if (status != 0) + syserr("readaliases: dbm put (%s): %d", lhs, status); +} + + +/* +** NDBM_MAP_CLOSE -- close the database +*/ + +void +ndbm_map_close(map) + register MAP *map; +{ + if (tTd(38, 9)) + sm_dprintf("ndbm_map_close(%s, %s, %lx)\n", + map->map_mname, map->map_file, map->map_mflags); + + if (bitset(MF_WRITABLE, map->map_mflags)) + { +# ifdef NDBM_YP_COMPAT + bool inclnull; + char buf[MAXHOSTNAMELEN]; + + inclnull = bitset(MF_INCLNULL, map->map_mflags); + map->map_mflags &= ~MF_INCLNULL; + + if (strstr(map->map_file, "/yp/") != NULL) + { + long save_mflags = map->map_mflags; + + map->map_mflags |= MF_NOFOLDCASE; + + (void) sm_snprintf(buf, sizeof buf, "%010ld", curtime()); + ndbm_map_store(map, "YP_LAST_MODIFIED", buf); + + (void) gethostname(buf, sizeof buf); + ndbm_map_store(map, "YP_MASTER_NAME", buf); + + map->map_mflags = save_mflags; + } + + if (inclnull) + map->map_mflags |= MF_INCLNULL; +# endif /* NDBM_YP_COMPAT */ + + /* write out the distinguished alias */ + ndbm_map_store(map, "@", "@"); + } + dbm_close((DBM *) map->map_db1); + + /* release lock (if needed) */ +# if !LOCK_ON_OPEN + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN */ +} + +#endif /* NDBM */ +/* +** NEWDB (Hash and BTree) Modules +*/ + +#if NEWDB + +/* +** BT_MAP_OPEN, HASH_MAP_OPEN -- database open primitives. +** +** These do rather bizarre locking. If you can lock on open, +** do that to avoid the condition of opening a database that +** is being rebuilt. If you don't, we'll try to fake it, but +** there will be a race condition. If opening for read-only, +** we immediately release the lock to avoid freezing things up. +** We really ought to hold the lock, but guarantee that we won't +** be pokey about it. That's hard to do. +*/ + +/* these should be K line arguments */ +# if DB_VERSION_MAJOR < 2 +# define db_cachesize cachesize +# define h_nelem nelem +# ifndef DB_CACHE_SIZE +# define DB_CACHE_SIZE (1024 * 1024) /* database memory cache size */ +# endif /* ! DB_CACHE_SIZE */ +# ifndef DB_HASH_NELEM +# define DB_HASH_NELEM 4096 /* (starting) size of hash table */ +# endif /* ! DB_HASH_NELEM */ +# endif /* DB_VERSION_MAJOR < 2 */ + +bool +bt_map_open(map, mode) + MAP *map; + int mode; +{ +# if DB_VERSION_MAJOR < 2 + BTREEINFO btinfo; +# endif /* DB_VERSION_MAJOR < 2 */ +# if DB_VERSION_MAJOR == 2 + DB_INFO btinfo; +# endif /* DB_VERSION_MAJOR == 2 */ +# if DB_VERSION_MAJOR > 2 + void *btinfo = NULL; +# endif /* DB_VERSION_MAJOR > 2 */ + + if (tTd(38, 2)) + sm_dprintf("bt_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + +# if DB_VERSION_MAJOR < 3 + memset(&btinfo, '\0', sizeof btinfo); +# ifdef DB_CACHE_SIZE + btinfo.db_cachesize = DB_CACHE_SIZE; +# endif /* DB_CACHE_SIZE */ +# endif /* DB_VERSION_MAJOR < 3 */ + + return db_map_open(map, mode, "btree", DB_BTREE, &btinfo); +} + +bool +hash_map_open(map, mode) + MAP *map; + int mode; +{ +# if DB_VERSION_MAJOR < 2 + HASHINFO hinfo; +# endif /* DB_VERSION_MAJOR < 2 */ +# if DB_VERSION_MAJOR == 2 + DB_INFO hinfo; +# endif /* DB_VERSION_MAJOR == 2 */ +# if DB_VERSION_MAJOR > 2 + void *hinfo = NULL; +# endif /* DB_VERSION_MAJOR > 2 */ + + if (tTd(38, 2)) + sm_dprintf("hash_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + +# if DB_VERSION_MAJOR < 3 + memset(&hinfo, '\0', sizeof hinfo); +# ifdef DB_HASH_NELEM + hinfo.h_nelem = DB_HASH_NELEM; +# endif /* DB_HASH_NELEM */ +# ifdef DB_CACHE_SIZE + hinfo.db_cachesize = DB_CACHE_SIZE; +# endif /* DB_CACHE_SIZE */ +# endif /* DB_VERSION_MAJOR < 3 */ + + return db_map_open(map, mode, "hash", DB_HASH, &hinfo); +} + +static bool +db_map_open(map, mode, mapclassname, dbtype, openinfo) + MAP *map; + int mode; + char *mapclassname; + DBTYPE dbtype; +# if DB_VERSION_MAJOR < 2 + const void *openinfo; +# endif /* DB_VERSION_MAJOR < 2 */ +# if DB_VERSION_MAJOR == 2 + DB_INFO *openinfo; +# endif /* DB_VERSION_MAJOR == 2 */ +# if DB_VERSION_MAJOR > 2 + void **openinfo; +# endif /* DB_VERSION_MAJOR > 2 */ +{ + DB *db = NULL; + int i; + int omode; + int smode = S_IREAD; + int fd; + long sff; + int save_errno; + struct stat st; + char buf[MAXPATHLEN]; + + /* do initial file and directory checks */ + if (sm_strlcpy(buf, map->map_file, sizeof buf) >= sizeof buf) + { + errno = 0; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("map \"%s\": map file %s name too long", + map->map_mname, map->map_file); + return false; + } + i = strlen(buf); + if (i < 3 || strcmp(&buf[i - 3], ".db") != 0) + { + if (sm_strlcat(buf, ".db", sizeof buf) >= sizeof buf) + { + errno = 0; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("map \"%s\": map file %s name too long", + map->map_mname, map->map_file); + return false; + } + } + + mode &= O_ACCMODE; + omode = mode; + + sff = SFF_ROOTOK|SFF_REGONLY; + if (mode == O_RDWR) + { + sff |= SFF_CREAT; + if (!bitnset(DBS_WRITEMAPTOSYMLINK, DontBlameSendmail)) + sff |= SFF_NOSLINK; + if (!bitnset(DBS_WRITEMAPTOHARDLINK, DontBlameSendmail)) + sff |= SFF_NOHLINK; + smode = S_IWRITE; + } + else + { + if (!bitnset(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + } + if (!bitnset(DBS_MAPINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + i = safefile(buf, RunAsUid, RunAsGid, RunAsUserName, sff, smode, &st); + + if (i != 0) + { + char *prob = "unsafe"; + + /* cannot open this map */ + if (i == ENOENT) + prob = "missing"; + if (tTd(38, 2)) + sm_dprintf("\t%s map file: %s\n", prob, sm_errstring(i)); + errno = i; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("%s map \"%s\": %s map file %s", + mapclassname, map->map_mname, prob, buf); + return false; + } + if (st.st_mode == ST_MODE_NOFILE) + omode |= O_CREAT|O_EXCL; + + map->map_lockfd = -1; + +# if LOCK_ON_OPEN + if (mode == O_RDWR) + omode |= O_TRUNC|O_EXLOCK; + else + omode |= O_SHLOCK; +# else /* LOCK_ON_OPEN */ + /* + ** Pre-lock the file to avoid race conditions. In particular, + ** since dbopen returns NULL if the file is zero length, we + ** must have a locked instance around the dbopen. + */ + + fd = open(buf, omode, DBMMODE); + if (fd < 0) + { + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("db_map_open: cannot pre-open database %s", buf); + return false; + } + + /* make sure no baddies slipped in just before the open... */ + if (filechanged(buf, fd, &st)) + { + save_errno = errno; + (void) close(fd); + errno = save_errno; + syserr("db_map_open(%s): file changed after pre-open", buf); + return false; + } + + /* if new file, get the "before" bits for later filechanged check */ + if (st.st_mode == ST_MODE_NOFILE && fstat(fd, &st) < 0) + { + save_errno = errno; + (void) close(fd); + errno = save_errno; + syserr("db_map_open(%s): cannot fstat pre-opened file", + buf); + return false; + } + + /* actually lock the pre-opened file */ + if (!lockfile(fd, buf, NULL, mode == O_RDONLY ? LOCK_SH : LOCK_EX)) + syserr("db_map_open: cannot lock %s", buf); + + /* set up mode bits for dbopen */ + if (mode == O_RDWR) + omode |= O_TRUNC; + omode &= ~(O_EXCL|O_CREAT); +# endif /* LOCK_ON_OPEN */ + +# if DB_VERSION_MAJOR < 2 + db = dbopen(buf, omode, DBMMODE, dbtype, openinfo); +# else /* DB_VERSION_MAJOR < 2 */ + { + int flags = 0; +# if DB_VERSION_MAJOR > 2 + int ret; +# endif /* DB_VERSION_MAJOR > 2 */ + + if (mode == O_RDONLY) + flags |= DB_RDONLY; + if (bitset(O_CREAT, omode)) + flags |= DB_CREATE; + if (bitset(O_TRUNC, omode)) + flags |= DB_TRUNCATE; + SM_DB_FLAG_ADD(flags); + +# if DB_VERSION_MAJOR > 2 + ret = db_create(&db, NULL, 0); +# ifdef DB_CACHE_SIZE + if (ret == 0 && db != NULL) + { + ret = db->set_cachesize(db, 0, DB_CACHE_SIZE, 0); + if (ret != 0) + { + (void) db->close(db, 0); + db = NULL; + } + } +# endif /* DB_CACHE_SIZE */ +# ifdef DB_HASH_NELEM + if (dbtype == DB_HASH && ret == 0 && db != NULL) + { + ret = db->set_h_nelem(db, DB_HASH_NELEM); + if (ret != 0) + { + (void) db->close(db, 0); + db = NULL; + } + } +# endif /* DB_HASH_NELEM */ + if (ret == 0 && db != NULL) + { + ret = db->open(db, + DBTXN /* transaction for DB 4.1 */ + buf, NULL, dbtype, flags, DBMMODE); + if (ret != 0) + { +#ifdef DB_OLD_VERSION + if (ret == DB_OLD_VERSION) + ret = EINVAL; +#endif /* DB_OLD_VERSION */ + (void) db->close(db, 0); + db = NULL; + } + } + errno = ret; +# else /* DB_VERSION_MAJOR > 2 */ + errno = db_open(buf, dbtype, flags, DBMMODE, + NULL, openinfo, &db); +# endif /* DB_VERSION_MAJOR > 2 */ + } +# endif /* DB_VERSION_MAJOR < 2 */ + save_errno = errno; + +# if !LOCK_ON_OPEN + if (mode == O_RDWR) + map->map_lockfd = fd; + else + (void) close(fd); +# endif /* !LOCK_ON_OPEN */ + + if (db == NULL) + { + if (mode == O_RDONLY && bitset(MF_ALIAS, map->map_mflags) && + aliaswait(map, ".db", false)) + return true; +# if !LOCK_ON_OPEN + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN */ + errno = save_errno; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("Cannot open %s database %s", + mapclassname, buf); + return false; + } + +# if DB_VERSION_MAJOR < 2 + fd = db->fd(db); +# else /* DB_VERSION_MAJOR < 2 */ + fd = -1; + errno = db->fd(db, &fd); +# endif /* DB_VERSION_MAJOR < 2 */ + if (filechanged(buf, fd, &st)) + { + save_errno = errno; +# if DB_VERSION_MAJOR < 2 + (void) db->close(db); +# else /* DB_VERSION_MAJOR < 2 */ + errno = db->close(db, 0); +# endif /* DB_VERSION_MAJOR < 2 */ +# if !LOCK_ON_OPEN + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN */ + errno = save_errno; + syserr("db_map_open(%s): file changed after open", buf); + return false; + } + + if (mode == O_RDWR) + map->map_mflags |= MF_LOCKED; +# if LOCK_ON_OPEN + if (fd >= 0 && mode == O_RDONLY) + { + (void) lockfile(fd, buf, NULL, LOCK_UN); + } +# endif /* LOCK_ON_OPEN */ + + /* try to make sure that at least the database header is on disk */ + if (mode == O_RDWR) + { + (void) db->sync(db, 0); + if (geteuid() == 0 && TrustedUid != 0) + { +# if HASFCHOWN + if (fchown(fd, TrustedUid, -1) < 0) + { + int err = errno; + + sm_syslog(LOG_ALERT, NOQID, + "ownership change on %s failed: %s", + buf, sm_errstring(err)); + message("050 ownership change on %s failed: %s", + buf, sm_errstring(err)); + } +# else /* HASFCHOWN */ + sm_syslog(LOG_ALERT, NOQID, + "no fchown(): cannot change ownership on %s", + map->map_file); + message("050 no fchown(): cannot change ownership on %s", + map->map_file); +# endif /* HASFCHOWN */ + } + } + + map->map_db2 = (ARBPTR_T) db; + + /* + ** Need to set map_mtime before the call to aliaswait() + ** as aliaswait() will call map_lookup() which requires + ** map_mtime to be set + */ + + if (fd >= 0 && fstat(fd, &st) >= 0) + map->map_mtime = st.st_mtime; + + if (mode == O_RDONLY && bitset(MF_ALIAS, map->map_mflags) && + !aliaswait(map, ".db", true)) + return false; + return true; +} + + +/* +** DB_MAP_LOOKUP -- look up a datum in a BTREE- or HASH-type map +*/ + +char * +db_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + DBT key, val; + register DB *db = (DB *) map->map_db2; + int i; + int st; + int save_errno; + int fd; + struct stat stbuf; + char keybuf[MAXNAME + 1]; + char buf[MAXPATHLEN]; + + memset(&key, '\0', sizeof key); + memset(&val, '\0', sizeof val); + + if (tTd(38, 20)) + sm_dprintf("db_map_lookup(%s, %s)\n", + map->map_mname, name); + + if (sm_strlcpy(buf, map->map_file, sizeof buf) >= sizeof buf) + { + errno = 0; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("map \"%s\": map file %s name too long", + map->map_mname, map->map_file); + return NULL; + } + i = strlen(buf); + if (i > 3 && strcmp(&buf[i - 3], ".db") == 0) + buf[i - 3] = '\0'; + + key.size = strlen(name); + if (key.size > sizeof keybuf - 1) + key.size = sizeof keybuf - 1; + key.data = keybuf; + memmove(keybuf, name, key.size); + keybuf[key.size] = '\0'; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + makelower(keybuf); + lockdb: +# if DB_VERSION_MAJOR < 2 + fd = db->fd(db); +# else /* DB_VERSION_MAJOR < 2 */ + fd = -1; + errno = db->fd(db, &fd); +# endif /* DB_VERSION_MAJOR < 2 */ + if (fd >= 0 && !bitset(MF_LOCKED, map->map_mflags)) + (void) lockfile(fd, buf, ".db", LOCK_SH); + if (fd < 0 || fstat(fd, &stbuf) < 0 || stbuf.st_mtime > map->map_mtime) + { + /* Reopen the database to sync the cache */ + int omode = bitset(map->map_mflags, MF_WRITABLE) ? O_RDWR + : O_RDONLY; + + if (fd >= 0 && !bitset(MF_LOCKED, map->map_mflags)) + (void) lockfile(fd, buf, ".db", LOCK_UN); + map->map_mflags |= MF_CLOSING; + map->map_class->map_close(map); + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + if (map->map_class->map_open(map, omode)) + { + map->map_mflags |= MF_OPEN; + map->map_pid = CurrentPid; + if ((omode && O_ACCMODE) == O_RDWR) + map->map_mflags |= MF_WRITABLE; + db = (DB *) map->map_db2; + goto lockdb; + } + else + { + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + extern MAPCLASS BogusMapClass; + + *statp = EX_TEMPFAIL; + map->map_orgclass = map->map_class; + map->map_class = &BogusMapClass; + map->map_mflags |= MF_OPEN; + map->map_pid = CurrentPid; + syserr("Cannot reopen DB database %s", + map->map_file); + } + return NULL; + } + } + + st = 1; + if (bitset(MF_TRY0NULL, map->map_mflags)) + { +# if DB_VERSION_MAJOR < 2 + st = db->get(db, &key, &val, 0); +# else /* DB_VERSION_MAJOR < 2 */ + errno = db->get(db, NULL, &key, &val, 0); + switch (errno) + { + case DB_NOTFOUND: + case DB_KEYEMPTY: + st = 1; + break; + + case 0: + st = 0; + break; + + default: + st = -1; + break; + } +# endif /* DB_VERSION_MAJOR < 2 */ + if (st == 0) + map->map_mflags &= ~MF_TRY1NULL; + } + if (st != 0 && bitset(MF_TRY1NULL, map->map_mflags)) + { + key.size++; +# if DB_VERSION_MAJOR < 2 + st = db->get(db, &key, &val, 0); +# else /* DB_VERSION_MAJOR < 2 */ + errno = db->get(db, NULL, &key, &val, 0); + switch (errno) + { + case DB_NOTFOUND: + case DB_KEYEMPTY: + st = 1; + break; + + case 0: + st = 0; + break; + + default: + st = -1; + break; + } +# endif /* DB_VERSION_MAJOR < 2 */ + if (st == 0) + map->map_mflags &= ~MF_TRY0NULL; + } + save_errno = errno; + if (fd >= 0 && !bitset(MF_LOCKED, map->map_mflags)) + (void) lockfile(fd, buf, ".db", LOCK_UN); + if (st != 0) + { + errno = save_errno; + if (st < 0) + syserr("db_map_lookup: get (%s)", name); + return NULL; + } + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, name, strlen(name), NULL); + else + return map_rewrite(map, val.data, val.size, av); +} + + +/* +** DB_MAP_STORE -- store a datum in the NEWDB database +*/ + +void +db_map_store(map, lhs, rhs) + register MAP *map; + char *lhs; + char *rhs; +{ + int status; + DBT key; + DBT data; + register DB *db = map->map_db2; + char keybuf[MAXNAME + 1]; + + memset(&key, '\0', sizeof key); + memset(&data, '\0', sizeof data); + + if (tTd(38, 12)) + sm_dprintf("db_map_store(%s, %s, %s)\n", + map->map_mname, lhs, rhs); + + key.size = strlen(lhs); + key.data = lhs; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + { + if (key.size > sizeof keybuf - 1) + key.size = sizeof keybuf - 1; + memmove(keybuf, key.data, key.size); + keybuf[key.size] = '\0'; + makelower(keybuf); + key.data = keybuf; + } + + data.size = strlen(rhs); + data.data = rhs; + + if (bitset(MF_INCLNULL, map->map_mflags)) + { + key.size++; + data.size++; + } + +# if DB_VERSION_MAJOR < 2 + status = db->put(db, &key, &data, R_NOOVERWRITE); +# else /* DB_VERSION_MAJOR < 2 */ + errno = db->put(db, NULL, &key, &data, DB_NOOVERWRITE); + switch (errno) + { + case DB_KEYEXIST: + status = 1; + break; + + case 0: + status = 0; + break; + + default: + status = -1; + break; + } +# endif /* DB_VERSION_MAJOR < 2 */ + if (status > 0) + { + if (!bitset(MF_APPEND, map->map_mflags)) + message("050 Warning: duplicate alias name %s", lhs); + else + { + static char *buf = NULL; + static int bufsiz = 0; + DBT old; + + memset(&old, '\0', sizeof old); + + old.data = db_map_lookup(map, key.data, + (char **) NULL, &status); + if (old.data != NULL) + { + old.size = strlen(old.data); + if (data.size + old.size + 2 > (size_t) bufsiz) + { + if (buf != NULL) + sm_free(buf); + bufsiz = data.size + old.size + 2; + buf = sm_pmalloc_x(bufsiz); + } + (void) sm_strlcpyn(buf, bufsiz, 3, + (char *) data.data, ",", + (char *) old.data); + data.size = data.size + old.size + 1; + data.data = buf; + if (tTd(38, 9)) + sm_dprintf("db_map_store append=%s\n", + (char *) data.data); + } + } +# if DB_VERSION_MAJOR < 2 + status = db->put(db, &key, &data, 0); +# else /* DB_VERSION_MAJOR < 2 */ + status = errno = db->put(db, NULL, &key, &data, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + } + if (status != 0) + syserr("readaliases: db put (%s)", lhs); +} + + +/* +** DB_MAP_CLOSE -- add distinguished entries and close the database +*/ + +void +db_map_close(map) + MAP *map; +{ + register DB *db = map->map_db2; + + if (tTd(38, 9)) + sm_dprintf("db_map_close(%s, %s, %lx)\n", + map->map_mname, map->map_file, map->map_mflags); + + if (bitset(MF_WRITABLE, map->map_mflags)) + { + /* write out the distinguished alias */ + db_map_store(map, "@", "@"); + } + + (void) db->sync(db, 0); + +# if !LOCK_ON_OPEN + if (map->map_lockfd >= 0) + (void) close(map->map_lockfd); +# endif /* !LOCK_ON_OPEN */ + +# if DB_VERSION_MAJOR < 2 + if (db->close(db) != 0) +# else /* DB_VERSION_MAJOR < 2 */ + /* + ** Berkeley DB can use internal shared memory + ** locking for its memory pool. Closing a map + ** opened by another process will interfere + ** with the shared memory and locks of the parent + ** process leaving things in a bad state. + */ + + /* + ** If this map was not opened by the current + ** process, do not close the map but recover + ** the file descriptor. + */ + + if (map->map_pid != CurrentPid) + { + int fd = -1; + + errno = db->fd(db, &fd); + if (fd >= 0) + (void) close(fd); + return; + } + + if ((errno = db->close(db, 0)) != 0) +# endif /* DB_VERSION_MAJOR < 2 */ + syserr("db_map_close(%s, %s, %lx): db close failure", + map->map_mname, map->map_file, map->map_mflags); +} +#endif /* NEWDB */ +/* +** NIS Modules +*/ + +#if NIS + +# ifndef YPERR_BUSY +# define YPERR_BUSY 16 +# endif /* ! YPERR_BUSY */ + +/* +** NIS_MAP_OPEN -- open DBM map +*/ + +bool +nis_map_open(map, mode) + MAP *map; + int mode; +{ + int yperr; + register char *p; + auto char *vp; + auto int vsize; + + if (tTd(38, 2)) + sm_dprintf("nis_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + + p = strchr(map->map_file, '@'); + if (p != NULL) + { + *p++ = '\0'; + if (*p != '\0') + map->map_domain = p; + } + + if (*map->map_file == '\0') + map->map_file = "mail.aliases"; + + if (map->map_domain == NULL) + { + yperr = yp_get_default_domain(&map->map_domain); + if (yperr != 0) + { + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("451 4.3.5 NIS map %s specified, but NIS not running", + map->map_file); + return false; + } + } + + /* check to see if this map actually exists */ + vp = NULL; + yperr = yp_match(map->map_domain, map->map_file, "@", 1, + &vp, &vsize); + if (tTd(38, 10)) + sm_dprintf("nis_map_open: yp_match(@, %s, %s) => %s\n", + map->map_domain, map->map_file, yperr_string(yperr)); + if (vp != NULL) + sm_free(vp); + + if (yperr == 0 || yperr == YPERR_KEY || yperr == YPERR_BUSY) + { + /* + ** We ought to be calling aliaswait() here if this is an + ** alias file, but powerful HP-UX NIS servers apparently + ** don't insert the @:@ token into the alias map when it + ** is rebuilt, so aliaswait() just hangs. I hate HP-UX. + */ + +# if 0 + if (!bitset(MF_ALIAS, map->map_mflags) || + aliaswait(map, NULL, true)) +# endif /* 0 */ + return true; + } + + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + syserr("451 4.3.5 Cannot bind to map %s in domain %s: %s", + map->map_file, map->map_domain, yperr_string(yperr)); + } + + return false; +} + + +/* +** NIS_MAP_LOOKUP -- look up a datum in a NIS map +*/ + +/* ARGSUSED3 */ +char * +nis_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + char *vp; + auto int vsize; + int buflen; + int yperr; + char keybuf[MAXNAME + 1]; + char *SM_NONVOLATILE result = NULL; + + if (tTd(38, 20)) + sm_dprintf("nis_map_lookup(%s, %s)\n", + map->map_mname, name); + + buflen = strlen(name); + if (buflen > sizeof keybuf - 1) + buflen = sizeof keybuf - 1; + memmove(keybuf, name, buflen); + keybuf[buflen] = '\0'; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + makelower(keybuf); + yperr = YPERR_KEY; + vp = NULL; + if (bitset(MF_TRY0NULL, map->map_mflags)) + { + yperr = yp_match(map->map_domain, map->map_file, keybuf, buflen, + &vp, &vsize); + if (yperr == 0) + map->map_mflags &= ~MF_TRY1NULL; + } + if (yperr == YPERR_KEY && bitset(MF_TRY1NULL, map->map_mflags)) + { + SM_FREE_CLR(vp); + buflen++; + yperr = yp_match(map->map_domain, map->map_file, keybuf, buflen, + &vp, &vsize); + if (yperr == 0) + map->map_mflags &= ~MF_TRY0NULL; + } + if (yperr != 0) + { + if (yperr != YPERR_KEY && yperr != YPERR_BUSY) + map->map_mflags &= ~(MF_VALID|MF_OPEN); + if (vp != NULL) + sm_free(vp); + return NULL; + } + SM_TRY + if (bitset(MF_MATCHONLY, map->map_mflags)) + result = map_rewrite(map, name, strlen(name), NULL); + else + result = map_rewrite(map, vp, vsize, av); + SM_FINALLY + if (vp != NULL) + sm_free(vp); + SM_END_TRY + return result; +} + + +/* +** NIS_GETCANONNAME -- look up canonical name in NIS +*/ + +static bool +nis_getcanonname(name, hbsize, statp) + char *name; + int hbsize; + int *statp; +{ + char *vp; + auto int vsize; + int keylen; + int yperr; + static bool try0null = true; + static bool try1null = true; + static char *yp_domain = NULL; + char host_record[MAXLINE]; + char cbuf[MAXNAME]; + char nbuf[MAXNAME + 1]; + + if (tTd(38, 20)) + sm_dprintf("nis_getcanonname(%s)\n", name); + + if (sm_strlcpy(nbuf, name, sizeof nbuf) >= sizeof nbuf) + { + *statp = EX_UNAVAILABLE; + return false; + } + (void) shorten_hostname(nbuf); + keylen = strlen(nbuf); + + if (yp_domain == NULL) + (void) yp_get_default_domain(&yp_domain); + makelower(nbuf); + yperr = YPERR_KEY; + vp = NULL; + if (try0null) + { + yperr = yp_match(yp_domain, "hosts.byname", nbuf, keylen, + &vp, &vsize); + if (yperr == 0) + try1null = false; + } + if (yperr == YPERR_KEY && try1null) + { + SM_FREE_CLR(vp); + keylen++; + yperr = yp_match(yp_domain, "hosts.byname", nbuf, keylen, + &vp, &vsize); + if (yperr == 0) + try0null = false; + } + if (yperr != 0) + { + if (yperr == YPERR_KEY) + *statp = EX_NOHOST; + else if (yperr == YPERR_BUSY) + *statp = EX_TEMPFAIL; + else + *statp = EX_UNAVAILABLE; + if (vp != NULL) + sm_free(vp); + return false; + } + (void) sm_strlcpy(host_record, vp, sizeof host_record); + sm_free(vp); + if (tTd(38, 44)) + sm_dprintf("got record `%s'\n", host_record); + vp = strpbrk(host_record, "#\n"); + if (vp != NULL) + *vp = '\0'; + if (!extract_canonname(nbuf, NULL, host_record, cbuf, sizeof cbuf)) + { + /* this should not happen, but.... */ + *statp = EX_NOHOST; + return false; + } + if (sm_strlcpy(name, cbuf, hbsize) >= hbsize) + { + *statp = EX_UNAVAILABLE; + return false; + } + *statp = EX_OK; + return true; +} + +#endif /* NIS */ +/* +** NISPLUS Modules +** +** This code donated by Sun Microsystems. +*/ + +#if NISPLUS + +# undef NIS /* symbol conflict in nis.h */ +# undef T_UNSPEC /* symbol conflict in nis.h -> ... -> sys/tiuser.h */ +# include +# include + +# define EN_col(col) zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val +# define COL_NAME(res,i) ((res->objects.objects_val)->TA_data.ta_cols.ta_cols_val)[i].tc_name +# define COL_MAX(res) ((res->objects.objects_val)->TA_data.ta_cols.ta_cols_len) +# define PARTIAL_NAME(x) ((x)[strlen(x) - 1] != '.') + +/* +** NISPLUS_MAP_OPEN -- open nisplus table +*/ + +bool +nisplus_map_open(map, mode) + MAP *map; + int mode; +{ + nis_result *res = NULL; + int retry_cnt, max_col, i; + char qbuf[MAXLINE + NIS_MAXNAMELEN]; + + if (tTd(38, 2)) + sm_dprintf("nisplus_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + errno = EPERM; + return false; + } + + if (*map->map_file == '\0') + map->map_file = "mail_aliases.org_dir"; + + if (PARTIAL_NAME(map->map_file) && map->map_domain == NULL) + { + /* set default NISPLUS Domain to $m */ + map->map_domain = newstr(nisplus_default_domain()); + if (tTd(38, 2)) + sm_dprintf("nisplus_map_open(%s): using domain %s\n", + map->map_file, map->map_domain); + } + if (!PARTIAL_NAME(map->map_file)) + { + map->map_domain = newstr(""); + (void) sm_strlcpy(qbuf, map->map_file, sizeof qbuf); + } + else + { + /* check to see if this map actually exists */ + (void) sm_strlcpyn(qbuf, sizeof qbuf, 3, + map->map_file, ".", map->map_domain); + } + + retry_cnt = 0; + while (res == NULL || res->status != NIS_SUCCESS) + { + res = nis_lookup(qbuf, FOLLOW_LINKS); + switch (res->status) + { + case NIS_SUCCESS: + break; + + case NIS_TRYAGAIN: + case NIS_RPCERROR: + case NIS_NAMEUNREACHABLE: + if (retry_cnt++ > 4) + { + errno = EAGAIN; + return false; + } + /* try not to overwhelm hosed server */ + sleep(2); + break; + + default: /* all other nisplus errors */ +# if 0 + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("451 4.3.5 Cannot find table %s.%s: %s", + map->map_file, map->map_domain, + nis_sperrno(res->status)); +# endif /* 0 */ + errno = EAGAIN; + return false; + } + } + + if (NIS_RES_NUMOBJ(res) != 1 || + (NIS_RES_OBJECT(res)->zo_data.zo_type != TABLE_OBJ)) + { + if (tTd(38, 10)) + sm_dprintf("nisplus_map_open: %s is not a table\n", qbuf); +# if 0 + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("451 4.3.5 %s.%s: %s is not a table", + map->map_file, map->map_domain, + nis_sperrno(res->status)); +# endif /* 0 */ + errno = EBADF; + return false; + } + /* default key column is column 0 */ + if (map->map_keycolnm == NULL) + map->map_keycolnm = newstr(COL_NAME(res,0)); + + max_col = COL_MAX(res); + + /* verify the key column exist */ + for (i = 0; i < max_col; i++) + { + if (strcmp(map->map_keycolnm, COL_NAME(res,i)) == 0) + break; + } + if (i == max_col) + { + if (tTd(38, 2)) + sm_dprintf("nisplus_map_open(%s): can not find key column %s\n", + map->map_file, map->map_keycolnm); + errno = ENOENT; + return false; + } + + /* default value column is the last column */ + if (map->map_valcolnm == NULL) + { + map->map_valcolno = max_col - 1; + return true; + } + + for (i = 0; i< max_col; i++) + { + if (strcmp(map->map_valcolnm, COL_NAME(res,i)) == 0) + { + map->map_valcolno = i; + return true; + } + } + + if (tTd(38, 2)) + sm_dprintf("nisplus_map_open(%s): can not find column %s\n", + map->map_file, map->map_keycolnm); + errno = ENOENT; + return false; +} + + +/* +** NISPLUS_MAP_LOOKUP -- look up a datum in a NISPLUS table +*/ + +char * +nisplus_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + char *p; + auto int vsize; + char *skp; + int skleft; + char search_key[MAXNAME + 4]; + char qbuf[MAXLINE + NIS_MAXNAMELEN]; + nis_result *result; + + if (tTd(38, 20)) + sm_dprintf("nisplus_map_lookup(%s, %s)\n", + map->map_mname, name); + + if (!bitset(MF_OPEN, map->map_mflags)) + { + if (nisplus_map_open(map, O_RDONLY)) + { + map->map_mflags |= MF_OPEN; + map->map_pid = CurrentPid; + } + else + { + *statp = EX_UNAVAILABLE; + return NULL; + } + } + + /* + ** Copy the name to the key buffer, escaping double quote characters + ** by doubling them and quoting "]" and "," to avoid having the + ** NIS+ parser choke on them. + */ + + skleft = sizeof search_key - 4; + skp = search_key; + for (p = name; *p != '\0' && skleft > 0; p++) + { + switch (*p) + { + case ']': + case ',': + /* quote the character */ + *skp++ = '"'; + *skp++ = *p; + *skp++ = '"'; + skleft -= 3; + break; + + case '"': + /* double the quote */ + *skp++ = '"'; + skleft--; + /* FALLTHROUGH */ + + default: + *skp++ = *p; + skleft--; + break; + } + } + *skp = '\0'; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + makelower(search_key); + + /* construct the query */ + if (PARTIAL_NAME(map->map_file)) + (void) sm_snprintf(qbuf, sizeof qbuf, "[%s=%s],%s.%s", + map->map_keycolnm, search_key, map->map_file, + map->map_domain); + else + (void) sm_snprintf(qbuf, sizeof qbuf, "[%s=%s],%s", + map->map_keycolnm, search_key, map->map_file); + + if (tTd(38, 20)) + sm_dprintf("qbuf=%s\n", qbuf); + result = nis_list(qbuf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL); + if (result->status == NIS_SUCCESS) + { + int count; + char *str; + + if ((count = NIS_RES_NUMOBJ(result)) != 1) + { + if (LogLevel > 10) + sm_syslog(LOG_WARNING, CurEnv->e_id, + "%s: lookup error, expected 1 entry, got %d", + map->map_file, count); + + /* ignore second entry */ + if (tTd(38, 20)) + sm_dprintf("nisplus_map_lookup(%s), got %d entries, additional entries ignored\n", + name, count); + } + + p = ((NIS_RES_OBJECT(result))->EN_col(map->map_valcolno)); + /* set the length of the result */ + if (p == NULL) + p = ""; + vsize = strlen(p); + if (tTd(38, 20)) + sm_dprintf("nisplus_map_lookup(%s), found %s\n", + name, p); + if (bitset(MF_MATCHONLY, map->map_mflags)) + str = map_rewrite(map, name, strlen(name), NULL); + else + str = map_rewrite(map, p, vsize, av); + nis_freeresult(result); + *statp = EX_OK; + return str; + } + else + { + if (result->status == NIS_NOTFOUND) + *statp = EX_NOTFOUND; + else if (result->status == NIS_TRYAGAIN) + *statp = EX_TEMPFAIL; + else + { + *statp = EX_UNAVAILABLE; + map->map_mflags &= ~(MF_VALID|MF_OPEN); + } + } + if (tTd(38, 20)) + sm_dprintf("nisplus_map_lookup(%s), failed\n", name); + nis_freeresult(result); + return NULL; +} + + + +/* +** NISPLUS_GETCANONNAME -- look up canonical name in NIS+ +*/ + +static bool +nisplus_getcanonname(name, hbsize, statp) + char *name; + int hbsize; + int *statp; +{ + char *vp; + auto int vsize; + nis_result *result; + char *p; + char nbuf[MAXNAME + 1]; + char qbuf[MAXLINE + NIS_MAXNAMELEN]; + + if (sm_strlcpy(nbuf, name, sizeof nbuf) >= sizeof nbuf) + { + *statp = EX_UNAVAILABLE; + return false; + } + (void) shorten_hostname(nbuf); + + p = strchr(nbuf, '.'); + if (p == NULL) + { + /* single token */ + (void) sm_snprintf(qbuf, sizeof qbuf, + "[name=%s],hosts.org_dir", nbuf); + } + else if (p[1] != '\0') + { + /* multi token -- take only first token in nbuf */ + *p = '\0'; + (void) sm_snprintf(qbuf, sizeof qbuf, + "[name=%s],hosts.org_dir.%s", nbuf, &p[1]); + } + else + { + *statp = EX_NOHOST; + return false; + } + + if (tTd(38, 20)) + sm_dprintf("\nnisplus_getcanonname(%s), qbuf=%s\n", + name, qbuf); + + result = nis_list(qbuf, EXPAND_NAME|FOLLOW_LINKS|FOLLOW_PATH, + NULL, NULL); + + if (result->status == NIS_SUCCESS) + { + int count; + char *domain; + + if ((count = NIS_RES_NUMOBJ(result)) != 1) + { + if (LogLevel > 10) + sm_syslog(LOG_WARNING, CurEnv->e_id, + "nisplus_getcanonname: lookup error, expected 1 entry, got %d", + count); + + /* ignore second entry */ + if (tTd(38, 20)) + sm_dprintf("nisplus_getcanonname(%s), got %d entries, all but first ignored\n", + name, count); + } + + if (tTd(38, 20)) + sm_dprintf("nisplus_getcanonname(%s), found in directory \"%s\"\n", + name, (NIS_RES_OBJECT(result))->zo_domain); + + + vp = ((NIS_RES_OBJECT(result))->EN_col(0)); + vsize = strlen(vp); + if (tTd(38, 20)) + sm_dprintf("nisplus_getcanonname(%s), found %s\n", + name, vp); + if (strchr(vp, '.') != NULL) + { + domain = ""; + } + else + { + domain = macvalue('m', CurEnv); + if (domain == NULL) + domain = ""; + } + if (hbsize > vsize + (int) strlen(domain) + 1) + { + if (domain[0] == '\0') + (void) sm_strlcpy(name, vp, hbsize); + else + (void) sm_snprintf(name, hbsize, + "%s.%s", vp, domain); + *statp = EX_OK; + } + else + *statp = EX_NOHOST; + nis_freeresult(result); + return true; + } + else + { + if (result->status == NIS_NOTFOUND) + *statp = EX_NOHOST; + else if (result->status == NIS_TRYAGAIN) + *statp = EX_TEMPFAIL; + else + *statp = EX_UNAVAILABLE; + } + if (tTd(38, 20)) + sm_dprintf("nisplus_getcanonname(%s), failed, status=%d, nsw_stat=%d\n", + name, result->status, *statp); + nis_freeresult(result); + return false; +} + +char * +nisplus_default_domain() +{ + static char default_domain[MAXNAME + 1] = ""; + char *p; + + if (default_domain[0] != '\0') + return default_domain; + + p = nis_local_directory(); + (void) sm_strlcpy(default_domain, p, sizeof default_domain); + return default_domain; +} + +#endif /* NISPLUS */ +/* +** LDAP Modules +*/ + +/* +** LDAPMAP_DEQUOTE - helper routine for ldapmap_parseargs +*/ + +#if defined(LDAPMAP) || defined(PH_MAP) + +# if PH_MAP +# define ph_map_dequote ldapmap_dequote +# endif /* PH_MAP */ + +static char *ldapmap_dequote __P((char *)); + +static char * +ldapmap_dequote(str) + char *str; +{ + char *p; + char *start; + + if (str == NULL) + return NULL; + + p = str; + if (*p == '"') + { + /* Should probably swallow initial whitespace here */ + start = ++p; + } + else + return str; + while (*p != '"' && *p != '\0') + p++; + if (*p != '\0') + *p = '\0'; + return start; +} +#endif /* defined(LDAPMAP) || defined(PH_MAP) */ + +#if LDAPMAP + +static SM_LDAP_STRUCT *LDAPDefaults = NULL; + +/* +** LDAPMAP_OPEN -- open LDAP map +** +** Connect to the LDAP server. Re-use existing connections since a +** single server connection to a host (with the same host, port, +** bind DN, and secret) can answer queries for multiple maps. +*/ + +bool +ldapmap_open(map, mode) + MAP *map; + int mode; +{ + SM_LDAP_STRUCT *lmap; + STAB *s; + char *id; + + if (tTd(38, 2)) + sm_dprintf("ldapmap_open(%s, %d): ", map->map_mname, mode); + + mode &= O_ACCMODE; + + /* sendmail doesn't have the ability to write to LDAP (yet) */ + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + + lmap = (SM_LDAP_STRUCT *) map->map_db1; + + s = ldapmap_findconn(lmap); + if (s->s_lmap != NULL) + { + /* Already have a connection open to this LDAP server */ + lmap->ldap_ld = ((SM_LDAP_STRUCT *)s->s_lmap->map_db1)->ldap_ld; + lmap->ldap_pid = ((SM_LDAP_STRUCT *)s->s_lmap->map_db1)->ldap_pid; + + /* Add this map as head of linked list */ + lmap->ldap_next = s->s_lmap; + s->s_lmap = map; + + if (tTd(38, 2)) + sm_dprintf("using cached connection\n"); + return true; + } + + if (tTd(38, 2)) + sm_dprintf("opening new connection\n"); + + if (lmap->ldap_host != NULL) + id = lmap->ldap_host; + else if (lmap->ldap_uri != NULL) + id = lmap->ldap_uri; + else + id = "localhost"; + + /* No connection yet, connect */ + if (!sm_ldap_start(map->map_mname, lmap)) + { + if (errno == ETIMEDOUT) + { + if (LogLevel > 1) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "timeout conning to LDAP server %.100s", + id); + } + + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + if (bitset(MF_NODEFER, map->map_mflags)) + { + syserr("%s failed to %s in map %s", +# if USE_LDAP_INIT + "ldap_init/ldap_bind", +# else /* USE_LDAP_INIT */ + "ldap_open", +# endif /* USE_LDAP_INIT */ + id, map->map_mname); + } + else + { + syserr("451 4.3.5 %s failed to %s in map %s", +# if USE_LDAP_INIT + "ldap_init/ldap_bind", +# else /* USE_LDAP_INIT */ + "ldap_open", +# endif /* USE_LDAP_INIT */ + id, map->map_mname); + } + } + return false; + } + + /* Save connection for reuse */ + s->s_lmap = map; + return true; +} + +/* +** LDAPMAP_CLOSE -- close ldap map +*/ + +void +ldapmap_close(map) + MAP *map; +{ + SM_LDAP_STRUCT *lmap; + STAB *s; + + if (tTd(38, 2)) + sm_dprintf("ldapmap_close(%s)\n", map->map_mname); + + lmap = (SM_LDAP_STRUCT *) map->map_db1; + + /* Check if already closed */ + if (lmap->ldap_ld == NULL) + return; + + /* Close the LDAP connection */ + sm_ldap_close(lmap); + + /* Mark all the maps that share the connection as closed */ + s = ldapmap_findconn(lmap); + + while (s->s_lmap != NULL) + { + MAP *smap = s->s_lmap; + + if (tTd(38, 2) && smap != map) + sm_dprintf("ldapmap_close(%s): closed %s (shared LDAP connection)\n", + map->map_mname, smap->map_mname); + smap->map_mflags &= ~(MF_OPEN|MF_WRITABLE); + lmap = (SM_LDAP_STRUCT *) smap->map_db1; + lmap->ldap_ld = NULL; + s->s_lmap = lmap->ldap_next; + lmap->ldap_next = NULL; + } +} + +# ifdef SUNET_ID +/* +** SUNET_ID_HASH -- Convert a string to its Sunet_id canonical form +** This only makes sense at Stanford University. +*/ + +static char * +sunet_id_hash(str) + char *str; +{ + char *p, *p_last; + + p = str; + p_last = p; + while (*p != '\0') + { + if (islower(*p) || isdigit(*p)) + { + *p_last = *p; + p_last++; + } + else if (isupper(*p)) + { + *p_last = tolower(*p); + p_last++; + } + ++p; + } + if (*p_last != '\0') + *p_last = '\0'; + return str; +} +# endif /* SUNET_ID */ + +/* +** LDAPMAP_LOOKUP -- look up a datum in a LDAP map +*/ + +char * +ldapmap_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + int flags; + int plen = 0; + int psize = 0; + int msgid; + int save_errno; + char *vp, *p; + char *result = NULL; + SM_RPOOL_T *rpool; + SM_LDAP_STRUCT *lmap = NULL; + char keybuf[MAXNAME + 1]; + + if (tTd(38, 20)) + sm_dprintf("ldapmap_lookup(%s, %s)\n", map->map_mname, name); + + /* Get ldap struct pointer from map */ + lmap = (SM_LDAP_STRUCT *) map->map_db1; + sm_ldap_setopts(lmap->ldap_ld, lmap); + + (void) sm_strlcpy(keybuf, name, sizeof keybuf); + + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + { +# ifdef SUNET_ID + sunet_id_hash(keybuf); +# else /* SUNET_ID */ + makelower(keybuf); +# endif /* SUNET_ID */ + } + + msgid = sm_ldap_search(lmap, keybuf); + if (msgid == -1) + { + errno = sm_ldap_geterrno(lmap->ldap_ld) + E_LDAPBASE; + save_errno = errno; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + if (bitset(MF_NODEFER, map->map_mflags)) + syserr("Error in ldap_search using %s in map %s", + keybuf, map->map_mname); + else + syserr("451 4.3.5 Error in ldap_search using %s in map %s", + keybuf, map->map_mname); + } + *statp = EX_TEMPFAIL; + switch (save_errno - E_LDAPBASE) + { +# ifdef LDAP_SERVER_DOWN + case LDAP_SERVER_DOWN: +# endif /* LDAP_SERVER_DOWN */ + case LDAP_TIMEOUT: + case LDAP_UNAVAILABLE: + /* server disappeared, try reopen on next search */ + ldapmap_close(map); + break; + } + errno = save_errno; + return NULL; + } + + *statp = EX_NOTFOUND; + vp = NULL; + + flags = 0; + if (bitset(MF_SINGLEMATCH, map->map_mflags)) + flags |= SM_LDAP_SINGLEMATCH; + if (bitset(MF_MATCHONLY, map->map_mflags)) + flags |= SM_LDAP_MATCHONLY; + + /* Create an rpool for search related memory usage */ + rpool = sm_rpool_new_x(NULL); + + p = NULL; + *statp = sm_ldap_results(lmap, msgid, flags, map->map_coldelim, + rpool, &p, &plen, &psize, NULL); + save_errno = errno; + + /* Copy result so rpool can be freed */ + if (*statp == EX_OK && p != NULL) + vp = newstr(p); + sm_rpool_free(rpool); + + /* need to restart LDAP connection? */ + if (*statp == EX_RESTART) + { + *statp = EX_TEMPFAIL; + ldapmap_close(map); + } + + errno = save_errno; + if (*statp != EX_OK && *statp != EX_NOTFOUND) + { + if (!bitset(MF_OPTIONAL, map->map_mflags)) + { + if (bitset(MF_NODEFER, map->map_mflags)) + syserr("Error getting LDAP results in map %s", + map->map_mname); + else + syserr("451 4.3.5 Error getting LDAP results in map %s", + map->map_mname); + } + errno = save_errno; + return NULL; + } + + /* Did we match anything? */ + if (vp == NULL && !bitset(MF_MATCHONLY, map->map_mflags)) + return NULL; + + if (*statp == EX_OK) + { + if (LogLevel > 9) + sm_syslog(LOG_INFO, CurEnv->e_id, + "ldap %.100s => %s", name, + vp == NULL ? "" : vp); + if (bitset(MF_MATCHONLY, map->map_mflags)) + result = map_rewrite(map, name, strlen(name), NULL); + else + { + /* vp != NULL according to test above */ + result = map_rewrite(map, vp, strlen(vp), av); + } + if (vp != NULL) + sm_free(vp); /* XXX */ + } + return result; +} + +/* +** LDAPMAP_FINDCONN -- find an LDAP connection to the server +** +** Cache LDAP connections based on the host, port, bind DN, +** secret, and PID so we don't have multiple connections open to +** the same server for different maps. Need a separate connection +** per PID since a parent process may close the map before the +** child is done with it. +** +** Parameters: +** lmap -- LDAP map information +** +** Returns: +** Symbol table entry for the LDAP connection. +*/ + +static STAB * +ldapmap_findconn(lmap) + SM_LDAP_STRUCT *lmap; +{ + char *format; + char *nbuf; + char *id; + STAB *SM_NONVOLATILE s = NULL; + + if (lmap->ldap_host != NULL) + id = lmap->ldap_host; + else if (lmap->ldap_uri != NULL) + id = lmap->ldap_uri; + else + id = "localhost"; + + format = "%s%c%d%c%d%c%s%c%s%d"; + nbuf = sm_stringf_x(format, + id, + CONDELSE, + lmap->ldap_port, + CONDELSE, + lmap->ldap_version, + CONDELSE, + (lmap->ldap_binddn == NULL ? "" + : lmap->ldap_binddn), + CONDELSE, + (lmap->ldap_secret == NULL ? "" + : lmap->ldap_secret), + (int) CurrentPid); + SM_TRY + s = stab(nbuf, ST_LMAP, ST_ENTER); + SM_FINALLY + sm_free(nbuf); + SM_END_TRY + return s; +} +/* +** LDAPMAP_PARSEARGS -- parse ldap map definition args. +*/ + +static struct lamvalues LDAPAuthMethods[] = +{ + { "none", LDAP_AUTH_NONE }, + { "simple", LDAP_AUTH_SIMPLE }, +# ifdef LDAP_AUTH_KRBV4 + { "krbv4", LDAP_AUTH_KRBV4 }, +# endif /* LDAP_AUTH_KRBV4 */ + { NULL, 0 } +}; + +static struct ladvalues LDAPAliasDereference[] = +{ + { "never", LDAP_DEREF_NEVER }, + { "always", LDAP_DEREF_ALWAYS }, + { "search", LDAP_DEREF_SEARCHING }, + { "find", LDAP_DEREF_FINDING }, + { NULL, 0 } +}; + +static struct lssvalues LDAPSearchScope[] = +{ + { "base", LDAP_SCOPE_BASE }, + { "one", LDAP_SCOPE_ONELEVEL }, + { "sub", LDAP_SCOPE_SUBTREE }, + { NULL, 0 } +}; + +bool +ldapmap_parseargs(map, args) + MAP *map; + char *args; +{ + bool secretread = true; + bool attrssetup = false; + int i; + register char *p = args; + SM_LDAP_STRUCT *lmap; + struct lamvalues *lam; + struct ladvalues *lad; + struct lssvalues *lss; + char ldapfilt[MAXLINE]; + char m_tmp[MAXPATHLEN + LDAPMAP_MAX_PASSWD]; + + /* Get ldap struct pointer from map */ + lmap = (SM_LDAP_STRUCT *) map->map_db1; + + /* Check if setting the initial LDAP defaults */ + if (lmap == NULL || lmap != LDAPDefaults) + { + /* We need to alloc an SM_LDAP_STRUCT struct */ + lmap = (SM_LDAP_STRUCT *) xalloc(sizeof *lmap); + if (LDAPDefaults == NULL) + sm_ldap_clear(lmap); + else + STRUCTCOPY(*LDAPDefaults, *lmap); + } + + /* there is no check whether there is really an argument */ + map->map_mflags |= MF_TRY0NULL|MF_TRY1NULL; + map->map_spacesub = SpaceSub; /* default value */ + + /* Check if setting up an alias or file class LDAP map */ + if (bitset(MF_ALIAS, map->map_mflags)) + { + /* Comma separate if used as an alias file */ + map->map_coldelim = ','; + if (*args == '\0') + { + int n; + char *lc; + char jbuf[MAXHOSTNAMELEN]; + char lcbuf[MAXLINE]; + + /* Get $j */ + expand("\201j", jbuf, sizeof jbuf, &BlankEnvelope); + if (jbuf[0] == '\0') + { + (void) sm_strlcpy(jbuf, "localhost", + sizeof jbuf); + } + + lc = macvalue(macid("{sendmailMTACluster}"), CurEnv); + if (lc == NULL) + lc = ""; + else + { + expand(lc, lcbuf, sizeof lcbuf, CurEnv); + lc = lcbuf; + } + + n = sm_snprintf(ldapfilt, sizeof ldapfilt, + "(&(objectClass=sendmailMTAAliasObject)(sendmailMTAAliasGrouping=aliases)(|(sendmailMTACluster=%s)(sendmailMTAHost=%s))(sendmailMTAKey=%%0))", + lc, jbuf); + if (n >= sizeof ldapfilt) + { + syserr("%s: Default LDAP string too long", + map->map_mname); + return false; + } + + /* default args for an alias LDAP entry */ + lmap->ldap_filter = ldapfilt; + lmap->ldap_attr[0] = "objectClass"; + lmap->ldap_attr_type[0] = SM_LDAP_ATTR_OBJCLASS; + lmap->ldap_attr_needobjclass[0] = NULL; + lmap->ldap_attr[1] = "sendmailMTAAliasValue"; + lmap->ldap_attr_type[1] = SM_LDAP_ATTR_NORMAL; + lmap->ldap_attr_needobjclass[1] = NULL; + lmap->ldap_attr[2] = "sendmailMTAAliasSearch"; + lmap->ldap_attr_type[2] = SM_LDAP_ATTR_FILTER; + lmap->ldap_attr_needobjclass[2] = "sendmailMTAMapObject"; + lmap->ldap_attr[3] = "sendmailMTAAliasURL"; + lmap->ldap_attr_type[3] = SM_LDAP_ATTR_URL; + lmap->ldap_attr_needobjclass[3] = "sendmailMTAMapObject"; + lmap->ldap_attr[4] = NULL; + lmap->ldap_attr_type[4] = SM_LDAP_ATTR_NONE; + lmap->ldap_attr_needobjclass[4] = NULL; + attrssetup = true; + } + } + else if (bitset(MF_FILECLASS, map->map_mflags)) + { + /* Space separate if used as a file class file */ + map->map_coldelim = ' '; + } + + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'N': + map->map_mflags |= MF_INCLNULL; + map->map_mflags &= ~MF_TRY0NULL; + break; + + case 'O': + map->map_mflags &= ~MF_TRY1NULL; + break; + + case 'o': + map->map_mflags |= MF_OPTIONAL; + break; + + case 'f': + map->map_mflags |= MF_NOFOLDCASE; + break; + + case 'm': + map->map_mflags |= MF_MATCHONLY; + break; + + case 'A': + map->map_mflags |= MF_APPEND; + break; + + case 'q': + map->map_mflags |= MF_KEEPQUOTES; + break; + + case 'a': + map->map_app = ++p; + break; + + case 'T': + map->map_tapp = ++p; + break; + + case 't': + map->map_mflags |= MF_NODEFER; + break; + + case 'S': + map->map_spacesub = *++p; + break; + + case 'D': + map->map_mflags |= MF_DEFER; + break; + + case 'z': + if (*++p != '\\') + map->map_coldelim = *p; + else + { + switch (*++p) + { + case 'n': + map->map_coldelim = '\n'; + break; + + case 't': + map->map_coldelim = '\t'; + break; + + default: + map->map_coldelim = '\\'; + } + } + break; + + /* Start of ldapmap specific args */ + case 'V': + if (*++p != '\\') + lmap->ldap_attrsep = *p; + else + { + switch (*++p) + { + case 'n': + lmap->ldap_attrsep = '\n'; + break; + + case 't': + lmap->ldap_attrsep = '\t'; + break; + + default: + lmap->ldap_attrsep = '\\'; + } + } + break; + + case 'k': /* search field */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_filter = p; + break; + + case 'v': /* attr to return */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_attr[0] = p; + lmap->ldap_attr[1] = NULL; + break; + + case '1': + map->map_mflags |= MF_SINGLEMATCH; + break; + + /* args stolen from ldapsearch.c */ + case 'R': /* don't auto chase referrals */ +# ifdef LDAP_REFERRALS + lmap->ldap_options &= ~LDAP_OPT_REFERRALS; +# else /* LDAP_REFERRALS */ + syserr("compile with -DLDAP_REFERRALS for referral support"); +# endif /* LDAP_REFERRALS */ + break; + + case 'n': /* retrieve attribute names only */ + lmap->ldap_attrsonly = LDAPMAP_TRUE; + break; + + case 'r': /* alias dereferencing */ + while (isascii(*++p) && isspace(*p)) + continue; + + if (sm_strncasecmp(p, "LDAP_DEREF_", 11) == 0) + p += 11; + + for (lad = LDAPAliasDereference; + lad != NULL && lad->lad_name != NULL; lad++) + { + if (sm_strncasecmp(p, lad->lad_name, + strlen(lad->lad_name)) == 0) + break; + } + if (lad->lad_name != NULL) + lmap->ldap_deref = lad->lad_code; + else + { + /* bad config line */ + if (!bitset(MCF_OPTFILE, + map->map_class->map_cflags)) + { + char *ptr; + + if ((ptr = strchr(p, ' ')) != NULL) + *ptr = '\0'; + syserr("Deref must be [never|always|search|find] (not %s) in map %s", + p, map->map_mname); + if (ptr != NULL) + *ptr = ' '; + return false; + } + } + break; + + case 's': /* search scope */ + while (isascii(*++p) && isspace(*p)) + continue; + + if (sm_strncasecmp(p, "LDAP_SCOPE_", 11) == 0) + p += 11; + + for (lss = LDAPSearchScope; + lss != NULL && lss->lss_name != NULL; lss++) + { + if (sm_strncasecmp(p, lss->lss_name, + strlen(lss->lss_name)) == 0) + break; + } + if (lss->lss_name != NULL) + lmap->ldap_scope = lss->lss_code; + else + { + /* bad config line */ + if (!bitset(MCF_OPTFILE, + map->map_class->map_cflags)) + { + char *ptr; + + if ((ptr = strchr(p, ' ')) != NULL) + *ptr = '\0'; + syserr("Scope must be [base|one|sub] (not %s) in map %s", + p, map->map_mname); + if (ptr != NULL) + *ptr = ' '; + return false; + } + } + break; + + case 'h': /* ldap host */ + while (isascii(*++p) && isspace(*p)) + continue; + if (lmap->ldap_uri != NULL) + { + syserr("Can not specify both an LDAP host and an LDAP URI in map %s", + map->map_mname); + return false; + } + lmap->ldap_host = p; + break; + + case 'b': /* search base */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_base = p; + break; + + case 'p': /* ldap port */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_port = atoi(p); + break; + + case 'l': /* time limit */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_timelimit = atoi(p); + lmap->ldap_timeout.tv_sec = lmap->ldap_timelimit; + break; + + case 'Z': + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_sizelimit = atoi(p); + break; + + case 'd': /* Dn to bind to server as */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_binddn = p; + break; + + case 'M': /* Method for binding */ + while (isascii(*++p) && isspace(*p)) + continue; + + if (sm_strncasecmp(p, "LDAP_AUTH_", 10) == 0) + p += 10; + + for (lam = LDAPAuthMethods; + lam != NULL && lam->lam_name != NULL; lam++) + { + if (sm_strncasecmp(p, lam->lam_name, + strlen(lam->lam_name)) == 0) + break; + } + if (lam->lam_name != NULL) + lmap->ldap_method = lam->lam_code; + else + { + /* bad config line */ + if (!bitset(MCF_OPTFILE, + map->map_class->map_cflags)) + { + char *ptr; + + if ((ptr = strchr(p, ' ')) != NULL) + *ptr = '\0'; + syserr("Method for binding must be [none|simple|krbv4] (not %s) in map %s", + p, map->map_mname); + if (ptr != NULL) + *ptr = ' '; + return false; + } + } + + break; + + /* + ** This is a string that is dependent on the + ** method used defined above. + */ + + case 'P': /* Secret password for binding */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_secret = p; + secretread = false; + break; + + case 'H': /* Use LDAP URI */ +# if !USE_LDAP_INIT + syserr("Must compile with -DUSE_LDAP_INIT to use LDAP URIs (-H) in map %s", + map->map_mname); + return false; +# else /* !USE_LDAP_INIT */ + if (lmap->ldap_host != NULL) + { + syserr("Can not specify both an LDAP host and an LDAP URI in map %s", + map->map_mname); + return false; + } + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_uri = p; + break; +# endif /* !USE_LDAP_INIT */ + + case 'w': + /* -w should be for passwd, -P should be for version */ + while (isascii(*++p) && isspace(*p)) + continue; + lmap->ldap_version = atoi(p); +# ifdef LDAP_VERSION_MAX + if (lmap->ldap_version > LDAP_VERSION_MAX) + { + syserr("LDAP version %d exceeds max of %d in map %s", + lmap->ldap_version, LDAP_VERSION_MAX, + map->map_mname); + return false; + } +# endif /* LDAP_VERSION_MAX */ +# ifdef LDAP_VERSION_MIN + if (lmap->ldap_version < LDAP_VERSION_MIN) + { + syserr("LDAP version %d is lower than min of %d in map %s", + lmap->ldap_version, LDAP_VERSION_MIN, + map->map_mname); + return false; + } +# endif /* LDAP_VERSION_MIN */ + break; + + default: + syserr("Illegal option %c map %s", *p, map->map_mname); + break; + } + + /* need to account for quoted strings here */ + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + { + if (*p == '"') + { + while (*++p != '"' && *p != '\0') + continue; + if (*p != '\0') + p++; + } + else + p++; + } + + if (*p != '\0') + *p++ = '\0'; + } + + if (map->map_app != NULL) + map->map_app = newstr(ldapmap_dequote(map->map_app)); + if (map->map_tapp != NULL) + map->map_tapp = newstr(ldapmap_dequote(map->map_tapp)); + + /* + ** We need to swallow up all the stuff into a struct + ** and dump it into map->map_dbptr1 + */ + + if (lmap->ldap_host != NULL && + (LDAPDefaults == NULL || + LDAPDefaults == lmap || + LDAPDefaults->ldap_host != lmap->ldap_host)) + lmap->ldap_host = newstr(ldapmap_dequote(lmap->ldap_host)); + map->map_domain = lmap->ldap_host; + + if (lmap->ldap_uri != NULL && + (LDAPDefaults == NULL || + LDAPDefaults == lmap || + LDAPDefaults->ldap_uri != lmap->ldap_uri)) + lmap->ldap_uri = newstr(ldapmap_dequote(lmap->ldap_uri)); + map->map_domain = lmap->ldap_uri; + + if (lmap->ldap_binddn != NULL && + (LDAPDefaults == NULL || + LDAPDefaults == lmap || + LDAPDefaults->ldap_binddn != lmap->ldap_binddn)) + lmap->ldap_binddn = newstr(ldapmap_dequote(lmap->ldap_binddn)); + + if (lmap->ldap_secret != NULL && + (LDAPDefaults == NULL || + LDAPDefaults == lmap || + LDAPDefaults->ldap_secret != lmap->ldap_secret)) + { + SM_FILE_T *sfd; + long sff = SFF_OPENASROOT|SFF_ROOTOK|SFF_NOWLINK|SFF_NOWWFILES|SFF_NOGWFILES; + + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + + /* need to use method to map secret to passwd string */ + switch (lmap->ldap_method) + { + case LDAP_AUTH_NONE: + /* Do nothing */ + break; + + case LDAP_AUTH_SIMPLE: + + /* + ** Secret is the name of a file with + ** the first line as the password. + */ + + /* Already read in the secret? */ + if (secretread) + break; + + sfd = safefopen(ldapmap_dequote(lmap->ldap_secret), + O_RDONLY, 0, sff); + if (sfd == NULL) + { + syserr("LDAP map: cannot open secret %s", + ldapmap_dequote(lmap->ldap_secret)); + return false; + } + lmap->ldap_secret = sfgets(m_tmp, sizeof m_tmp, + sfd, TimeOuts.to_fileopen, + "ldapmap_parseargs"); + (void) sm_io_close(sfd, SM_TIME_DEFAULT); + if (strlen(m_tmp) > LDAPMAP_MAX_PASSWD) + { + syserr("LDAP map: secret in %s too long", + ldapmap_dequote(lmap->ldap_secret)); + return false; + } + if (lmap->ldap_secret != NULL && + strlen(m_tmp) > 0) + { + /* chomp newline */ + if (m_tmp[strlen(m_tmp) - 1] == '\n') + m_tmp[strlen(m_tmp) - 1] = '\0'; + + lmap->ldap_secret = m_tmp; + } + break; + +# ifdef LDAP_AUTH_KRBV4 + case LDAP_AUTH_KRBV4: + + /* + ** Secret is where the ticket file is + ** stashed + */ + + (void) sm_snprintf(m_tmp, sizeof m_tmp, + "KRBTKFILE=%s", + ldapmap_dequote(lmap->ldap_secret)); + lmap->ldap_secret = m_tmp; + break; +# endif /* LDAP_AUTH_KRBV4 */ + + default: /* Should NEVER get here */ + syserr("LDAP map: Illegal value in lmap method"); + return false; + /* NOTREACHED */ + break; + } + } + + if (lmap->ldap_secret != NULL && + (LDAPDefaults == NULL || + LDAPDefaults == lmap || + LDAPDefaults->ldap_secret != lmap->ldap_secret)) + lmap->ldap_secret = newstr(ldapmap_dequote(lmap->ldap_secret)); + + if (lmap->ldap_base != NULL && + (LDAPDefaults == NULL || + LDAPDefaults == lmap || + LDAPDefaults->ldap_base != lmap->ldap_base)) + lmap->ldap_base = newstr(ldapmap_dequote(lmap->ldap_base)); + + /* + ** Save the server from extra work. If request is for a single + ** match, tell the server to only return enough records to + ** determine if there is a single match or not. This can not + ** be one since the server would only return one and we wouldn't + ** know if there were others available. + */ + + if (bitset(MF_SINGLEMATCH, map->map_mflags)) + lmap->ldap_sizelimit = 2; + + /* If setting defaults, don't process ldap_filter and ldap_attr */ + if (lmap == LDAPDefaults) + return true; + + if (lmap->ldap_filter != NULL) + lmap->ldap_filter = newstr(ldapmap_dequote(lmap->ldap_filter)); + else + { + if (!bitset(MCF_OPTFILE, map->map_class->map_cflags)) + { + syserr("No filter given in map %s", map->map_mname); + return false; + } + } + + if (!attrssetup && lmap->ldap_attr[0] != NULL) + { + bool recurse = false; + bool normalseen = false; + + i = 0; + p = ldapmap_dequote(lmap->ldap_attr[0]); + lmap->ldap_attr[0] = NULL; + + /* Prime the attr list with the objectClass attribute */ + lmap->ldap_attr[i] = "objectClass"; + lmap->ldap_attr_type[i] = SM_LDAP_ATTR_OBJCLASS; + lmap->ldap_attr_needobjclass[i] = NULL; + i++; + + while (p != NULL) + { + char *v; + + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + break; + v = p; + p = strchr(v, ','); + if (p != NULL) + *p++ = '\0'; + + if (i >= LDAPMAP_MAX_ATTR) + { + syserr("Too many return attributes in %s (max %d)", + map->map_mname, LDAPMAP_MAX_ATTR); + return false; + } + if (*v != '\0') + { + int j; + int use; + char *type; + char *needobjclass; + + type = strchr(v, ':'); + if (type != NULL) + { + *type++ = '\0'; + needobjclass = strchr(type, ':'); + if (needobjclass != NULL) + *needobjclass++ = '\0'; + } + else + { + needobjclass = NULL; + } + + use = i; + + /* allow override on "objectClass" type */ + if (sm_strcasecmp(v, "objectClass") == 0 && + lmap->ldap_attr_type[0] == SM_LDAP_ATTR_OBJCLASS) + { + use = 0; + } + else + { + /* + ** Don't add something to attribute + ** list twice. + */ + + for (j = 1; j < i; j++) + { + if (sm_strcasecmp(v, lmap->ldap_attr[j]) == 0) + { + syserr("Duplicate attribute (%s) in %s", + v, map->map_mname); + return false; + } + } + + lmap->ldap_attr[use] = newstr(v); + if (needobjclass != NULL && + *needobjclass != '\0' && + *needobjclass != '*') + { + lmap->ldap_attr_needobjclass[use] = newstr(needobjclass); + } + else + { + lmap->ldap_attr_needobjclass[use] = NULL; + } + + } + + if (type != NULL && *type != '\0') + { + if (sm_strcasecmp(type, "dn") == 0) + { + recurse = true; + lmap->ldap_attr_type[use] = SM_LDAP_ATTR_DN; + } + else if (sm_strcasecmp(type, "filter") == 0) + { + recurse = true; + lmap->ldap_attr_type[use] = SM_LDAP_ATTR_FILTER; + } + else if (sm_strcasecmp(type, "url") == 0) + { + recurse = true; + lmap->ldap_attr_type[use] = SM_LDAP_ATTR_URL; + } + else if (sm_strcasecmp(type, "normal") == 0) + { + lmap->ldap_attr_type[use] = SM_LDAP_ATTR_NORMAL; + normalseen = true; + } + else + { + syserr("Unknown attribute type (%s) in %s", + type, map->map_mname); + return false; + } + } + else + { + lmap->ldap_attr_type[use] = SM_LDAP_ATTR_NORMAL; + normalseen = true; + } + i++; + } + } + lmap->ldap_attr[i] = NULL; + + /* Set in case needed in future code */ + attrssetup = true; + + if (recurse && !normalseen) + { + syserr("LDAP recursion requested in %s but no returnable attribute given", + map->map_mname); + return false; + } + if (recurse && lmap->ldap_attrsonly == LDAPMAP_TRUE) + { + syserr("LDAP recursion requested in %s can not be used with -n", + map->map_mname); + return false; + } + } + map->map_db1 = (ARBPTR_T) lmap; + return true; +} + +/* +** LDAPMAP_SET_DEFAULTS -- Read default map spec from LDAPDefaults in .cf +** +** Parameters: +** spec -- map argument string from LDAPDefaults option +** +** Returns: +** None. +*/ + +void +ldapmap_set_defaults(spec) + char *spec; +{ + STAB *class; + MAP map; + + /* Allocate and set the default values */ + if (LDAPDefaults == NULL) + LDAPDefaults = (SM_LDAP_STRUCT *) xalloc(sizeof *LDAPDefaults); + sm_ldap_clear(LDAPDefaults); + + memset(&map, '\0', sizeof map); + + /* look up the class */ + class = stab("ldap", ST_MAPCLASS, ST_FIND); + if (class == NULL) + { + syserr("readcf: LDAPDefaultSpec: class ldap not available"); + return; + } + map.map_class = &class->s_mapclass; + map.map_db1 = (ARBPTR_T) LDAPDefaults; + map.map_mname = "O LDAPDefaultSpec"; + + (void) ldapmap_parseargs(&map, spec); + + /* These should never be set in LDAPDefaults */ + if (map.map_mflags != (MF_TRY0NULL|MF_TRY1NULL) || + map.map_spacesub != SpaceSub || + map.map_app != NULL || + map.map_tapp != NULL) + { + syserr("readcf: option LDAPDefaultSpec: Do not set non-LDAP specific flags"); + SM_FREE_CLR(map.map_app); + SM_FREE_CLR(map.map_tapp); + } + + if (LDAPDefaults->ldap_filter != NULL) + { + syserr("readcf: option LDAPDefaultSpec: Do not set the LDAP search filter"); + + /* don't free, it isn't malloc'ed in parseargs */ + LDAPDefaults->ldap_filter = NULL; + } + + if (LDAPDefaults->ldap_attr[0] != NULL) + { + syserr("readcf: option LDAPDefaultSpec: Do not set the requested LDAP attributes"); + /* don't free, they aren't malloc'ed in parseargs */ + LDAPDefaults->ldap_attr[0] = NULL; + } +} +#endif /* LDAPMAP */ +/* +** PH map +*/ + +#if PH_MAP + +/* +** Support for the CCSO Nameserver (ph/qi). +** This code is intended to replace the so-called "ph mailer". +** Contributed by Mark D. Roth . Contact him for support. +*/ + +/* what version of the ph map code we're running */ +static char phmap_id[128]; + +/* sendmail version for phmap id string */ +extern const char Version[]; + +/* assume we're using nph-1.2.x if not specified */ +# ifndef NPH_VERSION +# define NPH_VERSION 10200 +# endif + +/* compatibility for versions older than nph-1.2.0 */ +# if NPH_VERSION < 10200 +# define PH_OPEN_ROUNDROBIN PH_ROUNDROBIN +# define PH_OPEN_DONTID PH_DONTID +# define PH_CLOSE_FAST PH_FASTCLOSE +# define PH_ERR_DATAERR PH_DATAERR +# define PH_ERR_NOMATCH PH_NOMATCH +# endif /* NPH_VERSION < 10200 */ + +/* +** PH_MAP_PARSEARGS -- parse ph map definition args. +*/ + +bool +ph_map_parseargs(map, args) + MAP *map; + char *args; +{ + register bool done; + register char *p = args; + PH_MAP_STRUCT *pmap = NULL; + + /* initialize version string */ + (void) sm_snprintf(phmap_id, sizeof phmap_id, + "sendmail-%s phmap-20010529 libphclient-%s", + Version, libphclient_version); + + pmap = (PH_MAP_STRUCT *) xalloc(sizeof *pmap); + + /* defaults */ + pmap->ph_servers = NULL; + pmap->ph_field_list = NULL; + pmap->ph = NULL; + pmap->ph_timeout = 0; + pmap->ph_fastclose = 0; + + map->map_mflags |= MF_TRY0NULL|MF_TRY1NULL; + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'N': + map->map_mflags |= MF_INCLNULL; + map->map_mflags &= ~MF_TRY0NULL; + break; + + case 'O': + map->map_mflags &= ~MF_TRY1NULL; + break; + + case 'o': + map->map_mflags |= MF_OPTIONAL; + break; + + case 'f': + map->map_mflags |= MF_NOFOLDCASE; + break; + + case 'm': + map->map_mflags |= MF_MATCHONLY; + break; + + case 'A': + map->map_mflags |= MF_APPEND; + break; + + case 'q': + map->map_mflags |= MF_KEEPQUOTES; + break; + + case 't': + map->map_mflags |= MF_NODEFER; + break; + + case 'a': + map->map_app = ++p; + break; + + case 'T': + map->map_tapp = ++p; + break; + + case 'l': + while (isascii(*++p) && isspace(*p)) + continue; + pmap->ph_timeout = atoi(p); + break; + + case 'S': + map->map_spacesub = *++p; + break; + + case 'D': + map->map_mflags |= MF_DEFER; + break; + + case 'h': /* PH server list */ + while (isascii(*++p) && isspace(*p)) + continue; + pmap->ph_servers = p; + break; + + case 'k': /* fields to search for */ + while (isascii(*++p) && isspace(*p)) + continue; + pmap->ph_field_list = p; + break; + + default: + syserr("ph_map_parseargs: unknown option -%c", *p); + } + + /* try to account for quoted strings */ + done = isascii(*p) && isspace(*p); + while (*p != '\0' && !done) + { + if (*p == '"') + { + while (*++p != '"' && *p != '\0') + continue; + if (*p != '\0') + p++; + } + else + p++; + done = isascii(*p) && isspace(*p); + } + + if (*p != '\0') + *p++ = '\0'; + } + + if (map->map_app != NULL) + map->map_app = newstr(ph_map_dequote(map->map_app)); + if (map->map_tapp != NULL) + map->map_tapp = newstr(ph_map_dequote(map->map_tapp)); + + if (pmap->ph_field_list != NULL) + pmap->ph_field_list = newstr(ph_map_dequote(pmap->ph_field_list)); + + if (pmap->ph_servers != NULL) + pmap->ph_servers = newstr(ph_map_dequote(pmap->ph_servers)); + else + { + syserr("ph_map_parseargs: -h flag is required"); + return false; + } + + map->map_db1 = (ARBPTR_T) pmap; + return true; +} + +/* +** PH_MAP_CLOSE -- close the connection to the ph server +*/ + +void +ph_map_close(map) + MAP *map; +{ + PH_MAP_STRUCT *pmap; + + pmap = (PH_MAP_STRUCT *)map->map_db1; + if (tTd(38, 9)) + sm_dprintf("ph_map_close(%s): pmap->ph_fastclose=%d\n", + map->map_mname, pmap->ph_fastclose); + + + if (pmap->ph != NULL) + { + ph_set_sendhook(pmap->ph, NULL); + ph_set_recvhook(pmap->ph, NULL); + ph_close(pmap->ph, pmap->ph_fastclose); + } + + map->map_mflags &= ~(MF_OPEN|MF_WRITABLE); +} + +static jmp_buf PHTimeout; + +/* ARGSUSED */ +static void +ph_timeout(unused) + int unused; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(PHTimeout, 1); +} + +static void +#if NPH_VERSION >= 10200 +ph_map_send_debug(appdata, text) + void *appdata; +#else +ph_map_send_debug(text) +#endif + char *text; +{ + if (LogLevel > 9) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "ph_map_send_debug: ==> %s", text); + if (tTd(38, 20)) + sm_dprintf("ph_map_send_debug: ==> %s\n", text); +} + +static void +#if NPH_VERSION >= 10200 +ph_map_recv_debug(appdata, text) + void *appdata; +#else +ph_map_recv_debug(text) +#endif + char *text; +{ + if (LogLevel > 10) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "ph_map_recv_debug: <== %s", text); + if (tTd(38, 21)) + sm_dprintf("ph_map_recv_debug: <== %s\n", text); +} + +/* +** PH_MAP_OPEN -- sub for opening PH map +*/ +bool +ph_map_open(map, mode) + MAP *map; + int mode; +{ + PH_MAP_STRUCT *pmap; + register SM_EVENT *ev = NULL; + int save_errno = 0; + char *hostlist, *host; + + if (tTd(38, 2)) + sm_dprintf("ph_map_open(%s)\n", map->map_mname); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + + if (CurEnv != NULL && CurEnv->e_sendmode == SM_DEFER && + bitset(MF_DEFER, map->map_mflags)) + { + if (tTd(9, 1)) + sm_dprintf("ph_map_open(%s) => DEFERRED\n", + map->map_mname); + + /* + ** Unset MF_DEFER here so that map_lookup() returns + ** a temporary failure using the bogus map and + ** map->map_tapp instead of the default permanent error. + */ + + map->map_mflags &= ~MF_DEFER; + return false; + } + + pmap = (PH_MAP_STRUCT *)map->map_db1; + pmap->ph_fastclose = 0; /* refresh field for reopen */ + + /* try each host in the list */ + hostlist = newstr(pmap->ph_servers); + for (host = strtok(hostlist, " "); + host != NULL; + host = strtok(NULL, " ")) + { + /* set timeout */ + if (pmap->ph_timeout != 0) + { + if (setjmp(PHTimeout) != 0) + { + ev = NULL; + if (LogLevel > 1) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "timeout connecting to PH server %.100s", + host); + errno = ETIMEDOUT; + goto ph_map_open_abort; + } + ev = sm_setevent(pmap->ph_timeout, ph_timeout, 0); + } + + /* open connection to server */ + if (ph_open(&(pmap->ph), host, + PH_OPEN_ROUNDROBIN|PH_OPEN_DONTID, + ph_map_send_debug, ph_map_recv_debug +#if NPH_VERSION >= 10200 + , NULL +#endif + ) == 0 + && ph_id(pmap->ph, phmap_id) == 0) + { + if (ev != NULL) + sm_clrevent(ev); + sm_free(hostlist); /* XXX */ + return true; + } + + ph_map_open_abort: + save_errno = errno; + if (ev != NULL) + sm_clrevent(ev); + pmap->ph_fastclose = PH_CLOSE_FAST; + ph_map_close(map); + errno = save_errno; + } + + if (bitset(MF_NODEFER, map->map_mflags)) + { + if (errno == 0) + errno = EAGAIN; + syserr("ph_map_open: %s: cannot connect to PH server", + map->map_mname); + } + else if (!bitset(MF_OPTIONAL, map->map_mflags) && LogLevel > 1) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "ph_map_open: %s: cannot connect to PH server", + map->map_mname); + sm_free(hostlist); /* XXX */ + return false; +} + +/* +** PH_MAP_LOOKUP -- look up key from ph server +*/ + +char * +ph_map_lookup(map, key, args, pstat) + MAP *map; + char *key; + char **args; + int *pstat; +{ + int i, save_errno = 0; + register SM_EVENT *ev = NULL; + PH_MAP_STRUCT *pmap; + char *value = NULL; + + pmap = (PH_MAP_STRUCT *)map->map_db1; + + *pstat = EX_OK; + + /* set timeout */ + if (pmap->ph_timeout != 0) + { + if (setjmp(PHTimeout) != 0) + { + ev = NULL; + if (LogLevel > 1) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "timeout during PH lookup of %.100s", + key); + errno = ETIMEDOUT; + *pstat = EX_TEMPFAIL; + goto ph_map_lookup_abort; + } + ev = sm_setevent(pmap->ph_timeout, ph_timeout, 0); + } + + /* perform lookup */ + i = ph_email_resolve(pmap->ph, key, pmap->ph_field_list, &value); + if (i == -1) + *pstat = EX_TEMPFAIL; + else if (i == PH_ERR_NOMATCH || i == PH_ERR_DATAERR) + *pstat = EX_UNAVAILABLE; + + ph_map_lookup_abort: + if (ev != NULL) + sm_clrevent(ev); + + /* + ** Close the connection if the timer popped + ** or we got a temporary PH error + */ + + if (*pstat == EX_TEMPFAIL) + { + save_errno = errno; + pmap->ph_fastclose = PH_CLOSE_FAST; + ph_map_close(map); + errno = save_errno; + } + + if (*pstat == EX_OK) + { + if (tTd(38,20)) + sm_dprintf("ph_map_lookup: %s => %s\n", key, value); + + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, key, strlen(key), NULL); + else + return map_rewrite(map, value, strlen(value), args); + } + + return NULL; +} +#endif /* PH_MAP */ +/* +** syslog map +*/ + +#define map_prio map_lockfd /* overload field */ + +/* +** SYSLOG_MAP_PARSEARGS -- check for priority level to syslog messages. +*/ + +bool +syslog_map_parseargs(map, args) + MAP *map; + char *args; +{ + char *p = args; + char *priority = NULL; + + /* there is no check whether there is really an argument */ + while (*p != '\0') + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + ++p; + if (*p == 'D') + { + map->map_mflags |= MF_DEFER; + ++p; + } + else if (*p == 'S') + { + map->map_spacesub = *++p; + if (*p != '\0') + p++; + } + else if (*p == 'L') + { + while (*++p != '\0' && isascii(*p) && isspace(*p)) + continue; + if (*p == '\0') + break; + priority = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + } + else + { + syserr("Illegal option %c map syslog", *p); + ++p; + } + } + + if (priority == NULL) + map->map_prio = LOG_INFO; + else + { + if (sm_strncasecmp("LOG_", priority, 4) == 0) + priority += 4; + +#ifdef LOG_EMERG + if (sm_strcasecmp("EMERG", priority) == 0) + map->map_prio = LOG_EMERG; + else +#endif /* LOG_EMERG */ +#ifdef LOG_ALERT + if (sm_strcasecmp("ALERT", priority) == 0) + map->map_prio = LOG_ALERT; + else +#endif /* LOG_ALERT */ +#ifdef LOG_CRIT + if (sm_strcasecmp("CRIT", priority) == 0) + map->map_prio = LOG_CRIT; + else +#endif /* LOG_CRIT */ +#ifdef LOG_ERR + if (sm_strcasecmp("ERR", priority) == 0) + map->map_prio = LOG_ERR; + else +#endif /* LOG_ERR */ +#ifdef LOG_WARNING + if (sm_strcasecmp("WARNING", priority) == 0) + map->map_prio = LOG_WARNING; + else +#endif /* LOG_WARNING */ +#ifdef LOG_NOTICE + if (sm_strcasecmp("NOTICE", priority) == 0) + map->map_prio = LOG_NOTICE; + else +#endif /* LOG_NOTICE */ +#ifdef LOG_INFO + if (sm_strcasecmp("INFO", priority) == 0) + map->map_prio = LOG_INFO; + else +#endif /* LOG_INFO */ +#ifdef LOG_DEBUG + if (sm_strcasecmp("DEBUG", priority) == 0) + map->map_prio = LOG_DEBUG; + else +#endif /* LOG_DEBUG */ + { + syserr("syslog_map_parseargs: Unknown priority %s", + priority); + return false; + } + } + return true; +} + +/* +** SYSLOG_MAP_LOOKUP -- rewrite and syslog message. Always return empty string +*/ + +char * +syslog_map_lookup(map, string, args, statp) + MAP *map; + char *string; + char **args; + int *statp; +{ + char *ptr = map_rewrite(map, string, strlen(string), args); + + if (ptr != NULL) + { + if (tTd(38, 20)) + sm_dprintf("syslog_map_lookup(%s (priority %d): %s\n", + map->map_mname, map->map_prio, ptr); + + sm_syslog(map->map_prio, CurEnv->e_id, "%s", ptr); + } + + *statp = EX_OK; + return ""; +} + +/* +** HESIOD Modules +*/ + +#if HESIOD + +bool +hes_map_open(map, mode) + MAP *map; + int mode; +{ + if (tTd(38, 2)) + sm_dprintf("hes_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + +# ifdef HESIOD_INIT + if (HesiodContext != NULL || hesiod_init(&HesiodContext) == 0) + return true; + + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("451 4.3.5 cannot initialize Hesiod map (%s)", + sm_errstring(errno)); + return false; +# else /* HESIOD_INIT */ + if (hes_error() == HES_ER_UNINIT) + hes_init(); + switch (hes_error()) + { + case HES_ER_OK: + case HES_ER_NOTFOUND: + return true; + } + + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("451 4.3.5 cannot initialize Hesiod map (%d)", hes_error()); + + return false; +# endif /* HESIOD_INIT */ +} + +char * +hes_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + char **hp; + + if (tTd(38, 20)) + sm_dprintf("hes_map_lookup(%s, %s)\n", map->map_file, name); + + if (name[0] == '\\') + { + char *np; + int nl; + int save_errno; + char nbuf[MAXNAME]; + + nl = strlen(name); + if (nl < sizeof nbuf - 1) + np = nbuf; + else + np = xalloc(strlen(name) + 2); + np[0] = '\\'; + (void) sm_strlcpy(&np[1], name, (sizeof nbuf) - 1); +# ifdef HESIOD_INIT + hp = hesiod_resolve(HesiodContext, np, map->map_file); +# else /* HESIOD_INIT */ + hp = hes_resolve(np, map->map_file); +# endif /* HESIOD_INIT */ + save_errno = errno; + if (np != nbuf) + sm_free(np); /* XXX */ + errno = save_errno; + } + else + { +# ifdef HESIOD_INIT + hp = hesiod_resolve(HesiodContext, name, map->map_file); +# else /* HESIOD_INIT */ + hp = hes_resolve(name, map->map_file); +# endif /* HESIOD_INIT */ + } +# ifdef HESIOD_INIT + if (hp == NULL || *hp == NULL) + { + switch (errno) + { + case ENOENT: + *statp = EX_NOTFOUND; + break; + case ECONNREFUSED: + *statp = EX_TEMPFAIL; + break; + case EMSGSIZE: + case ENOMEM: + default: + *statp = EX_UNAVAILABLE; + break; + } + if (hp != NULL) + hesiod_free_list(HesiodContext, hp); + return NULL; + } +# else /* HESIOD_INIT */ + if (hp == NULL || hp[0] == NULL) + { + switch (hes_error()) + { + case HES_ER_OK: + *statp = EX_OK; + break; + + case HES_ER_NOTFOUND: + *statp = EX_NOTFOUND; + break; + + case HES_ER_CONFIG: + *statp = EX_UNAVAILABLE; + break; + + case HES_ER_NET: + *statp = EX_TEMPFAIL; + break; + } + return NULL; + } +# endif /* HESIOD_INIT */ + + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, name, strlen(name), NULL); + else + return map_rewrite(map, hp[0], strlen(hp[0]), av); +} + +/* +** HES_MAP_CLOSE -- free the Hesiod context +*/ + +void +hes_map_close(map) + MAP *map; +{ + if (tTd(38, 20)) + sm_dprintf("hes_map_close(%s)\n", map->map_file); + +# ifdef HESIOD_INIT + /* Free the hesiod context */ + if (HesiodContext != NULL) + { + hesiod_end(HesiodContext); + HesiodContext = NULL; + } +# endif /* HESIOD_INIT */ +} + +#endif /* HESIOD */ +/* +** NeXT NETINFO Modules +*/ + +#if NETINFO + +# define NETINFO_DEFAULT_DIR "/aliases" +# define NETINFO_DEFAULT_PROPERTY "members" + +/* +** NI_MAP_OPEN -- open NetInfo Aliases +*/ + +bool +ni_map_open(map, mode) + MAP *map; + int mode; +{ + if (tTd(38, 2)) + sm_dprintf("ni_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + mode &= O_ACCMODE; + + if (*map->map_file == '\0') + map->map_file = NETINFO_DEFAULT_DIR; + + if (map->map_valcolnm == NULL) + map->map_valcolnm = NETINFO_DEFAULT_PROPERTY; + + if (map->map_coldelim == '\0') + { + if (bitset(MF_ALIAS, map->map_mflags)) + map->map_coldelim = ','; + else if (bitset(MF_FILECLASS, map->map_mflags)) + map->map_coldelim = ' '; + } + return true; +} + + +/* +** NI_MAP_LOOKUP -- look up a datum in NetInfo +*/ + +char * +ni_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + char *res; + char *propval; + + if (tTd(38, 20)) + sm_dprintf("ni_map_lookup(%s, %s)\n", map->map_mname, name); + + propval = ni_propval(map->map_file, map->map_keycolnm, name, + map->map_valcolnm, map->map_coldelim); + + if (propval == NULL) + return NULL; + + SM_TRY + if (bitset(MF_MATCHONLY, map->map_mflags)) + res = map_rewrite(map, name, strlen(name), NULL); + else + res = map_rewrite(map, propval, strlen(propval), av); + SM_FINALLY + sm_free(propval); + SM_END_TRY + return res; +} + + +static bool +ni_getcanonname(name, hbsize, statp) + char *name; + int hbsize; + int *statp; +{ + char *vptr; + char *ptr; + char nbuf[MAXNAME + 1]; + + if (tTd(38, 20)) + sm_dprintf("ni_getcanonname(%s)\n", name); + + if (sm_strlcpy(nbuf, name, sizeof nbuf) >= sizeof nbuf) + { + *statp = EX_UNAVAILABLE; + return false; + } + (void) shorten_hostname(nbuf); + + /* we only accept single token search key */ + if (strchr(nbuf, '.')) + { + *statp = EX_NOHOST; + return false; + } + + /* Do the search */ + vptr = ni_propval("/machines", NULL, nbuf, "name", '\n'); + + if (vptr == NULL) + { + *statp = EX_NOHOST; + return false; + } + + /* Only want the first machine name */ + if ((ptr = strchr(vptr, '\n')) != NULL) + *ptr = '\0'; + + if (sm_strlcpy(name, vptr, hbsize) >= hbsize) + { + sm_free(vptr); + *statp = EX_UNAVAILABLE; + return true; + } + sm_free(vptr); + *statp = EX_OK; + return false; +} +#endif /* NETINFO */ +/* +** TEXT (unindexed text file) Modules +** +** This code donated by Sun Microsystems. +*/ + +#define map_sff map_lockfd /* overload field */ + + +/* +** TEXT_MAP_OPEN -- open text table +*/ + +bool +text_map_open(map, mode) + MAP *map; + int mode; +{ + long sff; + int i; + + if (tTd(38, 2)) + sm_dprintf("text_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + errno = EPERM; + return false; + } + + if (*map->map_file == '\0') + { + syserr("text map \"%s\": file name required", + map->map_mname); + return false; + } + + if (map->map_file[0] != '/') + { + syserr("text map \"%s\": file name must be fully qualified", + map->map_mname); + return false; + } + + sff = SFF_ROOTOK|SFF_REGONLY; + if (!bitnset(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + if (!bitnset(DBS_MAPINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + if ((i = safefile(map->map_file, RunAsUid, RunAsGid, RunAsUserName, + sff, S_IRUSR, NULL)) != 0) + { + int save_errno = errno; + + /* cannot open this map */ + if (tTd(38, 2)) + sm_dprintf("\tunsafe map file: %d\n", i); + errno = save_errno; + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("text map \"%s\": unsafe map file %s", + map->map_mname, map->map_file); + return false; + } + + if (map->map_keycolnm == NULL) + map->map_keycolno = 0; + else + { + if (!(isascii(*map->map_keycolnm) && isdigit(*map->map_keycolnm))) + { + syserr("text map \"%s\", file %s: -k should specify a number, not %s", + map->map_mname, map->map_file, + map->map_keycolnm); + return false; + } + map->map_keycolno = atoi(map->map_keycolnm); + } + + if (map->map_valcolnm == NULL) + map->map_valcolno = 0; + else + { + if (!(isascii(*map->map_valcolnm) && isdigit(*map->map_valcolnm))) + { + syserr("text map \"%s\", file %s: -v should specify a number, not %s", + map->map_mname, map->map_file, + map->map_valcolnm); + return false; + } + map->map_valcolno = atoi(map->map_valcolnm); + } + + if (tTd(38, 2)) + { + sm_dprintf("text_map_open(%s, %s): delimiter = ", + map->map_mname, map->map_file); + if (map->map_coldelim == '\0') + sm_dprintf("(white space)\n"); + else + sm_dprintf("%c\n", map->map_coldelim); + } + + map->map_sff = sff; + return true; +} + + +/* +** TEXT_MAP_LOOKUP -- look up a datum in a TEXT table +*/ + +char * +text_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + char *vp; + auto int vsize; + int buflen; + SM_FILE_T *f; + char delim; + int key_idx; + bool found_it; + long sff = map->map_sff; + char search_key[MAXNAME + 1]; + char linebuf[MAXLINE]; + char buf[MAXNAME + 1]; + + found_it = false; + if (tTd(38, 20)) + sm_dprintf("text_map_lookup(%s, %s)\n", map->map_mname, name); + + buflen = strlen(name); + if (buflen > sizeof search_key - 1) + buflen = sizeof search_key - 1; /* XXX just cut if off? */ + memmove(search_key, name, buflen); + search_key[buflen] = '\0'; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + makelower(search_key); + + f = safefopen(map->map_file, O_RDONLY, FileMode, sff); + if (f == NULL) + { + map->map_mflags &= ~(MF_VALID|MF_OPEN); + *statp = EX_UNAVAILABLE; + return NULL; + } + key_idx = map->map_keycolno; + delim = map->map_coldelim; + while (sm_io_fgets(f, SM_TIME_DEFAULT, + linebuf, sizeof linebuf) != NULL) + { + char *p; + + /* skip comment line */ + if (linebuf[0] == '#') + continue; + p = strchr(linebuf, '\n'); + if (p != NULL) + *p = '\0'; + p = get_column(linebuf, key_idx, delim, buf, sizeof buf); + if (p != NULL && sm_strcasecmp(search_key, p) == 0) + { + found_it = true; + break; + } + } + (void) sm_io_close(f, SM_TIME_DEFAULT); + if (!found_it) + { + *statp = EX_NOTFOUND; + return NULL; + } + vp = get_column(linebuf, map->map_valcolno, delim, buf, sizeof buf); + if (vp == NULL) + { + *statp = EX_NOTFOUND; + return NULL; + } + vsize = strlen(vp); + *statp = EX_OK; + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, name, strlen(name), NULL); + else + return map_rewrite(map, vp, vsize, av); +} + +/* +** TEXT_GETCANONNAME -- look up canonical name in hosts file +*/ + +static bool +text_getcanonname(name, hbsize, statp) + char *name; + int hbsize; + int *statp; +{ + bool found; + char *dot; + SM_FILE_T *f; + char linebuf[MAXLINE]; + char cbuf[MAXNAME + 1]; + char nbuf[MAXNAME + 1]; + + if (tTd(38, 20)) + sm_dprintf("text_getcanonname(%s)\n", name); + + if (sm_strlcpy(nbuf, name, sizeof nbuf) >= sizeof nbuf) + { + *statp = EX_UNAVAILABLE; + return false; + } + dot = shorten_hostname(nbuf); + + f = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, HostsFile, SM_IO_RDONLY, + NULL); + if (f == NULL) + { + *statp = EX_UNAVAILABLE; + return false; + } + found = false; + while (!found && + sm_io_fgets(f, SM_TIME_DEFAULT, + linebuf, sizeof linebuf) != NULL) + { + char *p = strpbrk(linebuf, "#\n"); + + if (p != NULL) + *p = '\0'; + if (linebuf[0] != '\0') + found = extract_canonname(nbuf, dot, linebuf, + cbuf, sizeof cbuf); + } + (void) sm_io_close(f, SM_TIME_DEFAULT); + if (!found) + { + *statp = EX_NOHOST; + return false; + } + + if (sm_strlcpy(name, cbuf, hbsize) >= hbsize) + { + *statp = EX_UNAVAILABLE; + return false; + } + *statp = EX_OK; + return true; +} +/* +** STAB (Symbol Table) Modules +*/ + + +/* +** STAB_MAP_LOOKUP -- look up alias in symbol table +*/ + +/* ARGSUSED2 */ +char * +stab_map_lookup(map, name, av, pstat) + register MAP *map; + char *name; + char **av; + int *pstat; +{ + register STAB *s; + + if (tTd(38, 20)) + sm_dprintf("stab_lookup(%s, %s)\n", + map->map_mname, name); + + s = stab(name, ST_ALIAS, ST_FIND); + if (s == NULL) + return NULL; + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, name, strlen(name), NULL); + else + return map_rewrite(map, s->s_alias, strlen(s->s_alias), av); +} + +/* +** STAB_MAP_STORE -- store in symtab (actually using during init, not rebuild) +*/ + +void +stab_map_store(map, lhs, rhs) + register MAP *map; + char *lhs; + char *rhs; +{ + register STAB *s; + + s = stab(lhs, ST_ALIAS, ST_ENTER); + s->s_alias = newstr(rhs); +} + + +/* +** STAB_MAP_OPEN -- initialize (reads data file) +** +** This is a wierd case -- it is only intended as a fallback for +** aliases. For this reason, opens for write (only during a +** "newaliases") always fails, and opens for read open the +** actual underlying text file instead of the database. +*/ + +bool +stab_map_open(map, mode) + register MAP *map; + int mode; +{ + SM_FILE_T *af; + long sff; + struct stat st; + + if (tTd(38, 2)) + sm_dprintf("stab_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + errno = EPERM; + return false; + } + + sff = SFF_ROOTOK|SFF_REGONLY; + if (!bitnset(DBS_LINKEDMAPINWRITABLEDIR, DontBlameSendmail)) + sff |= SFF_NOWLINK; + if (!bitnset(DBS_MAPINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + af = safefopen(map->map_file, O_RDONLY, 0444, sff); + if (af == NULL) + return false; + readaliases(map, af, false, false); + + if (fstat(sm_io_getinfo(af, SM_IO_WHAT_FD, NULL), &st) >= 0) + map->map_mtime = st.st_mtime; + (void) sm_io_close(af, SM_TIME_DEFAULT); + + return true; +} +/* +** Implicit Modules +** +** Tries several types. For back compatibility of aliases. +*/ + + +/* +** IMPL_MAP_LOOKUP -- lookup in best open database +*/ + +char * +impl_map_lookup(map, name, av, pstat) + MAP *map; + char *name; + char **av; + int *pstat; +{ + if (tTd(38, 20)) + sm_dprintf("impl_map_lookup(%s, %s)\n", + map->map_mname, name); + +#if NEWDB + if (bitset(MF_IMPL_HASH, map->map_mflags)) + return db_map_lookup(map, name, av, pstat); +#endif /* NEWDB */ +#if NDBM + if (bitset(MF_IMPL_NDBM, map->map_mflags)) + return ndbm_map_lookup(map, name, av, pstat); +#endif /* NDBM */ + return stab_map_lookup(map, name, av, pstat); +} + +/* +** IMPL_MAP_STORE -- store in open databases +*/ + +void +impl_map_store(map, lhs, rhs) + MAP *map; + char *lhs; + char *rhs; +{ + if (tTd(38, 12)) + sm_dprintf("impl_map_store(%s, %s, %s)\n", + map->map_mname, lhs, rhs); +#if NEWDB + if (bitset(MF_IMPL_HASH, map->map_mflags)) + db_map_store(map, lhs, rhs); +#endif /* NEWDB */ +#if NDBM + if (bitset(MF_IMPL_NDBM, map->map_mflags)) + ndbm_map_store(map, lhs, rhs); +#endif /* NDBM */ + stab_map_store(map, lhs, rhs); +} + +/* +** IMPL_MAP_OPEN -- implicit database open +*/ + +bool +impl_map_open(map, mode) + MAP *map; + int mode; +{ + if (tTd(38, 2)) + sm_dprintf("impl_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; +#if NEWDB + map->map_mflags |= MF_IMPL_HASH; + if (hash_map_open(map, mode)) + { +# ifdef NDBM_YP_COMPAT + if (mode == O_RDONLY || strstr(map->map_file, "/yp/") == NULL) +# endif /* NDBM_YP_COMPAT */ + return true; + } + else + map->map_mflags &= ~MF_IMPL_HASH; +#endif /* NEWDB */ +#if NDBM + map->map_mflags |= MF_IMPL_NDBM; + if (ndbm_map_open(map, mode)) + { + return true; + } + else + map->map_mflags &= ~MF_IMPL_NDBM; +#endif /* NDBM */ + +#if defined(NEWDB) || defined(NDBM) + if (Verbose) + message("WARNING: cannot open alias database %s%s", + map->map_file, + mode == O_RDONLY ? "; reading text version" : ""); +#else /* defined(NEWDB) || defined(NDBM) */ + if (mode != O_RDONLY) + usrerr("Cannot rebuild aliases: no database format defined"); +#endif /* defined(NEWDB) || defined(NDBM) */ + + if (mode == O_RDONLY) + return stab_map_open(map, mode); + else + return false; +} + + +/* +** IMPL_MAP_CLOSE -- close any open database(s) +*/ + +void +impl_map_close(map) + MAP *map; +{ + if (tTd(38, 9)) + sm_dprintf("impl_map_close(%s, %s, %lx)\n", + map->map_mname, map->map_file, map->map_mflags); +#if NEWDB + if (bitset(MF_IMPL_HASH, map->map_mflags)) + { + db_map_close(map); + map->map_mflags &= ~MF_IMPL_HASH; + } +#endif /* NEWDB */ + +#if NDBM + if (bitset(MF_IMPL_NDBM, map->map_mflags)) + { + ndbm_map_close(map); + map->map_mflags &= ~MF_IMPL_NDBM; + } +#endif /* NDBM */ +} +/* +** User map class. +** +** Provides access to the system password file. +*/ + +/* +** USER_MAP_OPEN -- open user map +** +** Really just binds field names to field numbers. +*/ + +bool +user_map_open(map, mode) + MAP *map; + int mode; +{ + if (tTd(38, 2)) + sm_dprintf("user_map_open(%s, %d)\n", + map->map_mname, mode); + + mode &= O_ACCMODE; + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + if (map->map_valcolnm == NULL) + /* EMPTY */ + /* nothing */ ; + else if (sm_strcasecmp(map->map_valcolnm, "name") == 0) + map->map_valcolno = 1; + else if (sm_strcasecmp(map->map_valcolnm, "passwd") == 0) + map->map_valcolno = 2; + else if (sm_strcasecmp(map->map_valcolnm, "uid") == 0) + map->map_valcolno = 3; + else if (sm_strcasecmp(map->map_valcolnm, "gid") == 0) + map->map_valcolno = 4; + else if (sm_strcasecmp(map->map_valcolnm, "gecos") == 0) + map->map_valcolno = 5; + else if (sm_strcasecmp(map->map_valcolnm, "dir") == 0) + map->map_valcolno = 6; + else if (sm_strcasecmp(map->map_valcolnm, "shell") == 0) + map->map_valcolno = 7; + else + { + syserr("User map %s: unknown column name %s", + map->map_mname, map->map_valcolnm); + return false; + } + return true; +} + + +/* +** USER_MAP_LOOKUP -- look up a user in the passwd file. +*/ + +/* ARGSUSED3 */ +char * +user_map_lookup(map, key, av, statp) + MAP *map; + char *key; + char **av; + int *statp; +{ + auto bool fuzzy; + SM_MBDB_T user; + + if (tTd(38, 20)) + sm_dprintf("user_map_lookup(%s, %s)\n", + map->map_mname, key); + + *statp = finduser(key, &fuzzy, &user); + if (*statp != EX_OK) + return NULL; + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, key, strlen(key), NULL); + else + { + char *rwval = NULL; + char buf[30]; + + switch (map->map_valcolno) + { + case 0: + case 1: + rwval = user.mbdb_name; + break; + + case 2: + rwval = "x"; /* passwd no longer supported */ + break; + + case 3: + (void) sm_snprintf(buf, sizeof buf, "%d", + (int) user.mbdb_uid); + rwval = buf; + break; + + case 4: + (void) sm_snprintf(buf, sizeof buf, "%d", + (int) user.mbdb_gid); + rwval = buf; + break; + + case 5: + rwval = user.mbdb_fullname; + break; + + case 6: + rwval = user.mbdb_homedir; + break; + + case 7: + rwval = user.mbdb_shell; + break; + } + return map_rewrite(map, rwval, strlen(rwval), av); + } +} +/* +** Program map type. +** +** This provides access to arbitrary programs. It should be used +** only very sparingly, since there is no way to bound the cost +** of invoking an arbitrary program. +*/ + +char * +prog_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + int i; + int save_errno; + int fd; + int status; + auto pid_t pid; + register char *p; + char *rval; + char *argv[MAXPV + 1]; + char buf[MAXLINE]; + + if (tTd(38, 20)) + sm_dprintf("prog_map_lookup(%s, %s) %s\n", + map->map_mname, name, map->map_file); + + i = 0; + argv[i++] = map->map_file; + if (map->map_rebuild != NULL) + { + (void) sm_strlcpy(buf, map->map_rebuild, sizeof buf); + for (p = strtok(buf, " \t"); p != NULL; p = strtok(NULL, " \t")) + { + if (i >= MAXPV - 1) + break; + argv[i++] = p; + } + } + argv[i++] = name; + argv[i] = NULL; + if (tTd(38, 21)) + { + sm_dprintf("prog_open:"); + for (i = 0; argv[i] != NULL; i++) + sm_dprintf(" %s", argv[i]); + sm_dprintf("\n"); + } + (void) sm_blocksignal(SIGCHLD); + pid = prog_open(argv, &fd, CurEnv); + if (pid < 0) + { + if (!bitset(MF_OPTIONAL, map->map_mflags)) + syserr("prog_map_lookup(%s) failed (%s) -- closing", + map->map_mname, sm_errstring(errno)); + else if (tTd(38, 9)) + sm_dprintf("prog_map_lookup(%s) failed (%s) -- closing", + map->map_mname, sm_errstring(errno)); + map->map_mflags &= ~(MF_VALID|MF_OPEN); + *statp = EX_OSFILE; + return NULL; + } + i = read(fd, buf, sizeof buf - 1); + if (i < 0) + { + syserr("prog_map_lookup(%s): read error %s", + map->map_mname, sm_errstring(errno)); + rval = NULL; + } + else if (i == 0) + { + if (tTd(38, 20)) + sm_dprintf("prog_map_lookup(%s): empty answer\n", + map->map_mname); + rval = NULL; + } + else + { + buf[i] = '\0'; + p = strchr(buf, '\n'); + if (p != NULL) + *p = '\0'; + + /* collect the return value */ + if (bitset(MF_MATCHONLY, map->map_mflags)) + rval = map_rewrite(map, name, strlen(name), NULL); + else + rval = map_rewrite(map, buf, strlen(buf), av); + + /* now flush any additional output */ + while ((i = read(fd, buf, sizeof buf)) > 0) + continue; + } + + /* wait for the process to terminate */ + (void) close(fd); + status = waitfor(pid); + save_errno = errno; + (void) sm_releasesignal(SIGCHLD); + errno = save_errno; + + if (status == -1) + { + syserr("prog_map_lookup(%s): wait error %s", + map->map_mname, sm_errstring(errno)); + *statp = EX_SOFTWARE; + rval = NULL; + } + else if (WIFEXITED(status)) + { + if ((*statp = WEXITSTATUS(status)) != EX_OK) + rval = NULL; + } + else + { + syserr("prog_map_lookup(%s): child died on signal %d", + map->map_mname, status); + *statp = EX_UNAVAILABLE; + rval = NULL; + } + return rval; +} +/* +** Sequenced map type. +** +** Tries each map in order until something matches, much like +** implicit. Stores go to the first map in the list that can +** support storing. +** +** This is slightly unusual in that there are two interfaces. +** The "sequence" interface lets you stack maps arbitrarily. +** The "switch" interface builds a sequence map by looking +** at a system-dependent configuration file such as +** /etc/nsswitch.conf on Solaris or /etc/svc.conf on Ultrix. +** +** We don't need an explicit open, since all maps are +** opened on demand. +*/ + +/* +** SEQ_MAP_PARSE -- Sequenced map parsing +*/ + +bool +seq_map_parse(map, ap) + MAP *map; + char *ap; +{ + int maxmap; + + if (tTd(38, 2)) + sm_dprintf("seq_map_parse(%s, %s)\n", map->map_mname, ap); + maxmap = 0; + while (*ap != '\0') + { + register char *p; + STAB *s; + + /* find beginning of map name */ + while (isascii(*ap) && isspace(*ap)) + ap++; + for (p = ap; + (isascii(*p) && isalnum(*p)) || *p == '_' || *p == '.'; + p++) + continue; + if (*p != '\0') + *p++ = '\0'; + while (*p != '\0' && (!isascii(*p) || !isalnum(*p))) + p++; + if (*ap == '\0') + { + ap = p; + continue; + } + s = stab(ap, ST_MAP, ST_FIND); + if (s == NULL) + { + syserr("Sequence map %s: unknown member map %s", + map->map_mname, ap); + } + else if (maxmap >= MAXMAPSTACK) + { + syserr("Sequence map %s: too many member maps (%d max)", + map->map_mname, MAXMAPSTACK); + maxmap++; + } + else if (maxmap < MAXMAPSTACK) + { + map->map_stack[maxmap++] = &s->s_map; + } + ap = p; + } + return true; +} + +/* +** SWITCH_MAP_OPEN -- open a switched map +** +** This looks at the system-dependent configuration and builds +** a sequence map that does the same thing. +** +** Every system must define a switch_map_find routine in conf.c +** that will return the list of service types associated with a +** given service class. +*/ + +bool +switch_map_open(map, mode) + MAP *map; + int mode; +{ + int mapno; + int nmaps; + char *maptype[MAXMAPSTACK]; + + if (tTd(38, 2)) + sm_dprintf("switch_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; + nmaps = switch_map_find(map->map_file, maptype, map->map_return); + if (tTd(38, 19)) + { + sm_dprintf("\tswitch_map_find => %d\n", nmaps); + for (mapno = 0; mapno < nmaps; mapno++) + sm_dprintf("\t\t%s\n", maptype[mapno]); + } + if (nmaps <= 0 || nmaps > MAXMAPSTACK) + return false; + + for (mapno = 0; mapno < nmaps; mapno++) + { + register STAB *s; + char nbuf[MAXNAME + 1]; + + if (maptype[mapno] == NULL) + continue; + (void) sm_strlcpyn(nbuf, sizeof nbuf, 3, + map->map_mname, ".", maptype[mapno]); + s = stab(nbuf, ST_MAP, ST_FIND); + if (s == NULL) + { + syserr("Switch map %s: unknown member map %s", + map->map_mname, nbuf); + } + else + { + map->map_stack[mapno] = &s->s_map; + if (tTd(38, 4)) + sm_dprintf("\tmap_stack[%d] = %s:%s\n", + mapno, + s->s_map.map_class->map_cname, + nbuf); + } + } + return true; +} + +#if 0 +/* +** SEQ_MAP_CLOSE -- close all underlying maps +*/ + +void +seq_map_close(map) + MAP *map; +{ + int mapno; + + if (tTd(38, 9)) + sm_dprintf("seq_map_close(%s)\n", map->map_mname); + + for (mapno = 0; mapno < MAXMAPSTACK; mapno++) + { + MAP *mm = map->map_stack[mapno]; + + if (mm == NULL || !bitset(MF_OPEN, mm->map_mflags)) + continue; + mm->map_mflags |= MF_CLOSING; + mm->map_class->map_close(mm); + mm->map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + } +} +#endif /* 0 */ + +/* +** SEQ_MAP_LOOKUP -- sequenced map lookup +*/ + +char * +seq_map_lookup(map, key, args, pstat) + MAP *map; + char *key; + char **args; + int *pstat; +{ + int mapno; + int mapbit = 0x01; + bool tempfail = false; + + if (tTd(38, 20)) + sm_dprintf("seq_map_lookup(%s, %s)\n", map->map_mname, key); + + for (mapno = 0; mapno < MAXMAPSTACK; mapbit <<= 1, mapno++) + { + MAP *mm = map->map_stack[mapno]; + char *rv; + + if (mm == NULL) + continue; + if (!bitset(MF_OPEN, mm->map_mflags) && + !openmap(mm)) + { + if (bitset(mapbit, map->map_return[MA_UNAVAIL])) + { + *pstat = EX_UNAVAILABLE; + return NULL; + } + continue; + } + *pstat = EX_OK; + rv = mm->map_class->map_lookup(mm, key, args, pstat); + if (rv != NULL) + return rv; + if (*pstat == EX_TEMPFAIL) + { + if (bitset(mapbit, map->map_return[MA_TRYAGAIN])) + return NULL; + tempfail = true; + } + else if (bitset(mapbit, map->map_return[MA_NOTFOUND])) + break; + } + if (tempfail) + *pstat = EX_TEMPFAIL; + else if (*pstat == EX_OK) + *pstat = EX_NOTFOUND; + return NULL; +} + +/* +** SEQ_MAP_STORE -- sequenced map store +*/ + +void +seq_map_store(map, key, val) + MAP *map; + char *key; + char *val; +{ + int mapno; + + if (tTd(38, 12)) + sm_dprintf("seq_map_store(%s, %s, %s)\n", + map->map_mname, key, val); + + for (mapno = 0; mapno < MAXMAPSTACK; mapno++) + { + MAP *mm = map->map_stack[mapno]; + + if (mm == NULL || !bitset(MF_WRITABLE, mm->map_mflags)) + continue; + + mm->map_class->map_store(mm, key, val); + return; + } + syserr("seq_map_store(%s, %s, %s): no writable map", + map->map_mname, key, val); +} +/* +** NULL stubs +*/ + +/* ARGSUSED */ +bool +null_map_open(map, mode) + MAP *map; + int mode; +{ + return true; +} + +/* ARGSUSED */ +void +null_map_close(map) + MAP *map; +{ + return; +} + +char * +null_map_lookup(map, key, args, pstat) + MAP *map; + char *key; + char **args; + int *pstat; +{ + *pstat = EX_NOTFOUND; + return NULL; +} + +/* ARGSUSED */ +void +null_map_store(map, key, val) + MAP *map; + char *key; + char *val; +{ + return; +} + +/* +** BOGUS stubs +*/ + +char * +bogus_map_lookup(map, key, args, pstat) + MAP *map; + char *key; + char **args; + int *pstat; +{ + *pstat = EX_TEMPFAIL; + return NULL; +} + +MAPCLASS BogusMapClass = +{ + "bogus-map", NULL, 0, + NULL, bogus_map_lookup, null_map_store, + null_map_open, null_map_close, +}; +/* +** MACRO modules +*/ + +char * +macro_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + int mid; + + if (tTd(38, 20)) + sm_dprintf("macro_map_lookup(%s, %s)\n", map->map_mname, + name == NULL ? "NULL" : name); + + if (name == NULL || + *name == '\0' || + (mid = macid(name)) == 0) + { + *statp = EX_CONFIG; + return NULL; + } + + if (av[1] == NULL) + macdefine(&CurEnv->e_macro, A_PERM, mid, NULL); + else + macdefine(&CurEnv->e_macro, A_TEMP, mid, av[1]); + + *statp = EX_OK; + return ""; +} +/* +** REGEX modules +*/ + +#if MAP_REGEX + +# include + +# define DEFAULT_DELIM CONDELSE +# define END_OF_FIELDS -1 +# define ERRBUF_SIZE 80 +# define MAX_MATCH 32 + +# define xnalloc(s) memset(xalloc(s), '\0', s); + +struct regex_map +{ + regex_t *regex_pattern_buf; /* xalloc it */ + int *regex_subfields; /* move to type MAP */ + char *regex_delim; /* move to type MAP */ +}; + +static int parse_fields __P((char *, int *, int, int)); +static char *regex_map_rewrite __P((MAP *, const char*, size_t, char **)); + +static int +parse_fields(s, ibuf, blen, nr_substrings) + char *s; + int *ibuf; /* array */ + int blen; /* number of elements in ibuf */ + int nr_substrings; /* number of substrings in the pattern */ +{ + register char *cp; + int i = 0; + bool lastone = false; + + blen--; /* for terminating END_OF_FIELDS */ + cp = s; + do + { + for (;; cp++) + { + if (*cp == ',') + { + *cp = '\0'; + break; + } + if (*cp == '\0') + { + lastone = true; + break; + } + } + if (i < blen) + { + int val = atoi(s); + + if (val < 0 || val >= nr_substrings) + { + syserr("field (%d) out of range, only %d substrings in pattern", + val, nr_substrings); + return -1; + } + ibuf[i++] = val; + } + else + { + syserr("too many fields, %d max", blen); + return -1; + } + s = ++cp; + } while (!lastone); + ibuf[i] = END_OF_FIELDS; + return i; +} + +bool +regex_map_init(map, ap) + MAP *map; + char *ap; +{ + int regerr; + struct regex_map *map_p; + register char *p; + char *sub_param = NULL; + int pflags; + static char defdstr[] = { (char) DEFAULT_DELIM, '\0' }; + + if (tTd(38, 2)) + sm_dprintf("regex_map_init: mapname '%s', args '%s'\n", + map->map_mname, ap); + + pflags = REG_ICASE | REG_EXTENDED | REG_NOSUB; + p = ap; + map_p = (struct regex_map *) xnalloc(sizeof *map_p); + map_p->regex_pattern_buf = (regex_t *)xnalloc(sizeof(regex_t)); + + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'n': /* not */ + map->map_mflags |= MF_REGEX_NOT; + break; + + case 'f': /* case sensitive */ + map->map_mflags |= MF_NOFOLDCASE; + pflags &= ~REG_ICASE; + break; + + case 'b': /* basic regular expressions */ + pflags &= ~REG_EXTENDED; + break; + + case 's': /* substring match () syntax */ + sub_param = ++p; + pflags &= ~REG_NOSUB; + break; + + case 'd': /* delimiter */ + map_p->regex_delim = ++p; + break; + + case 'a': /* map append */ + map->map_app = ++p; + break; + + case 'm': /* matchonly */ + map->map_mflags |= MF_MATCHONLY; + break; + + case 'q': + map->map_mflags |= MF_KEEPQUOTES; + break; + + case 'S': + map->map_spacesub = *++p; + break; + + case 'D': + map->map_mflags |= MF_DEFER; + break; + + } + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + } + if (tTd(38, 3)) + sm_dprintf("regex_map_init: compile '%s' 0x%x\n", p, pflags); + + if ((regerr = regcomp(map_p->regex_pattern_buf, p, pflags)) != 0) + { + /* Errorhandling */ + char errbuf[ERRBUF_SIZE]; + + (void) regerror(regerr, map_p->regex_pattern_buf, + errbuf, sizeof errbuf); + syserr("pattern-compile-error: %s", errbuf); + sm_free(map_p->regex_pattern_buf); /* XXX */ + sm_free(map_p); /* XXX */ + return false; + } + + if (map->map_app != NULL) + map->map_app = newstr(map->map_app); + if (map_p->regex_delim != NULL) + map_p->regex_delim = newstr(map_p->regex_delim); + else + map_p->regex_delim = defdstr; + + if (!bitset(REG_NOSUB, pflags)) + { + /* substring matching */ + int substrings; + int *fields = (int *) xalloc(sizeof(int) * (MAX_MATCH + 1)); + + substrings = map_p->regex_pattern_buf->re_nsub + 1; + + if (tTd(38, 3)) + sm_dprintf("regex_map_init: nr of substrings %d\n", + substrings); + + if (substrings >= MAX_MATCH) + { + syserr("too many substrings, %d max", MAX_MATCH); + sm_free(map_p->regex_pattern_buf); /* XXX */ + sm_free(map_p); /* XXX */ + return false; + } + if (sub_param != NULL && sub_param[0] != '\0') + { + /* optional parameter -sfields */ + if (parse_fields(sub_param, fields, + MAX_MATCH + 1, substrings) == -1) + return false; + } + else + { + int i; + + /* set default fields */ + for (i = 0; i < substrings; i++) + fields[i] = i; + fields[i] = END_OF_FIELDS; + } + map_p->regex_subfields = fields; + if (tTd(38, 3)) + { + int *ip; + + sm_dprintf("regex_map_init: subfields"); + for (ip = fields; *ip != END_OF_FIELDS; ip++) + sm_dprintf(" %d", *ip); + sm_dprintf("\n"); + } + } + map->map_db1 = (ARBPTR_T) map_p; /* dirty hack */ + return true; +} + +static char * +regex_map_rewrite(map, s, slen, av) + MAP *map; + const char *s; + size_t slen; + char **av; +{ + if (bitset(MF_MATCHONLY, map->map_mflags)) + return map_rewrite(map, av[0], strlen(av[0]), NULL); + else + return map_rewrite(map, s, slen, av); +} + +char * +regex_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + int reg_res; + struct regex_map *map_p; + regmatch_t pmatch[MAX_MATCH]; + + if (tTd(38, 20)) + { + char **cpp; + + sm_dprintf("regex_map_lookup: key '%s'\n", name); + for (cpp = av; cpp != NULL && *cpp != NULL; cpp++) + sm_dprintf("regex_map_lookup: arg '%s'\n", *cpp); + } + + map_p = (struct regex_map *)(map->map_db1); + reg_res = regexec(map_p->regex_pattern_buf, + name, MAX_MATCH, pmatch, 0); + + if (bitset(MF_REGEX_NOT, map->map_mflags)) + { + /* option -n */ + if (reg_res == REG_NOMATCH) + return regex_map_rewrite(map, "", (size_t) 0, av); + else + return NULL; + } + if (reg_res == REG_NOMATCH) + return NULL; + + if (map_p->regex_subfields != NULL) + { + /* option -s */ + static char retbuf[MAXNAME]; + int fields[MAX_MATCH + 1]; + bool first = true; + int anglecnt = 0, cmntcnt = 0, spacecnt = 0; + bool quotemode = false, bslashmode = false; + register char *dp, *sp; + char *endp, *ldp; + int *ip; + + dp = retbuf; + ldp = retbuf + sizeof(retbuf) - 1; + + if (av[1] != NULL) + { + if (parse_fields(av[1], fields, MAX_MATCH + 1, + (int) map_p->regex_pattern_buf->re_nsub + 1) == -1) + { + *statp = EX_CONFIG; + return NULL; + } + ip = fields; + } + else + ip = map_p->regex_subfields; + + for ( ; *ip != END_OF_FIELDS; ip++) + { + if (!first) + { + for (sp = map_p->regex_delim; *sp; sp++) + { + if (dp < ldp) + *dp++ = *sp; + } + } + else + first = false; + + if (*ip >= MAX_MATCH || + pmatch[*ip].rm_so < 0 || pmatch[*ip].rm_eo < 0) + continue; + + sp = name + pmatch[*ip].rm_so; + endp = name + pmatch[*ip].rm_eo; + for (; endp > sp; sp++) + { + if (dp < ldp) + { + if (bslashmode) + { + *dp++ = *sp; + bslashmode = false; + } + else if (quotemode && *sp != '"' && + *sp != '\\') + { + *dp++ = *sp; + } + else switch (*dp++ = *sp) + { + case '\\': + bslashmode = true; + break; + + case '(': + cmntcnt++; + break; + + case ')': + cmntcnt--; + break; + + case '<': + anglecnt++; + break; + + case '>': + anglecnt--; + break; + + case ' ': + spacecnt++; + break; + + case '"': + quotemode = !quotemode; + break; + } + } + } + } + if (anglecnt != 0 || cmntcnt != 0 || quotemode || + bslashmode || spacecnt != 0) + { + sm_syslog(LOG_WARNING, NOQID, + "Warning: regex may cause prescan() failure map=%s lookup=%s", + map->map_mname, name); + return NULL; + } + + *dp = '\0'; + + return regex_map_rewrite(map, retbuf, strlen(retbuf), av); + } + return regex_map_rewrite(map, "", (size_t)0, av); +} +#endif /* MAP_REGEX */ +/* +** NSD modules +*/ +#if MAP_NSD + +# include +# define _DATUM_DEFINED +# include + +typedef struct ns_map_list +{ + ns_map_t *map; /* XXX ns_ ? */ + char *mapname; + struct ns_map_list *next; +} ns_map_list_t; + +static ns_map_t * +ns_map_t_find(mapname) + char *mapname; +{ + static ns_map_list_t *ns_maps = NULL; + ns_map_list_t *ns_map; + + /* walk the list of maps looking for the correctly named map */ + for (ns_map = ns_maps; ns_map != NULL; ns_map = ns_map->next) + { + if (strcmp(ns_map->mapname, mapname) == 0) + break; + } + + /* if we are looking at a NULL ns_map_list_t, then create a new one */ + if (ns_map == NULL) + { + ns_map = (ns_map_list_t *) xalloc(sizeof *ns_map); + ns_map->mapname = newstr(mapname); + ns_map->map = (ns_map_t *) xalloc(sizeof *ns_map->map); + memset(ns_map->map, '\0', sizeof *ns_map->map); + ns_map->next = ns_maps; + ns_maps = ns_map; + } + return ns_map->map; +} + +char * +nsd_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + int buflen, r; + char *p; + ns_map_t *ns_map; + char keybuf[MAXNAME + 1]; + char buf[MAXLINE]; + + if (tTd(38, 20)) + sm_dprintf("nsd_map_lookup(%s, %s)\n", map->map_mname, name); + + buflen = strlen(name); + if (buflen > sizeof keybuf - 1) + buflen = sizeof keybuf - 1; /* XXX simply cut off? */ + memmove(keybuf, name, buflen); + keybuf[buflen] = '\0'; + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + makelower(keybuf); + + ns_map = ns_map_t_find(map->map_file); + if (ns_map == NULL) + { + if (tTd(38, 20)) + sm_dprintf("nsd_map_t_find failed\n"); + *statp = EX_UNAVAILABLE; + return NULL; + } + r = ns_lookup(ns_map, NULL, map->map_file, keybuf, NULL, + buf, sizeof buf); + if (r == NS_UNAVAIL || r == NS_TRYAGAIN) + { + *statp = EX_TEMPFAIL; + return NULL; + } + if (r == NS_BADREQ +# ifdef NS_NOPERM + || r == NS_NOPERM +# endif /* NS_NOPERM */ + ) + { + *statp = EX_CONFIG; + return NULL; + } + if (r != NS_SUCCESS) + { + *statp = EX_NOTFOUND; + return NULL; + } + + *statp = EX_OK; + + /* Null out trailing \n */ + if ((p = strchr(buf, '\n')) != NULL) + *p = '\0'; + + return map_rewrite(map, buf, strlen(buf), av); +} +#endif /* MAP_NSD */ + +char * +arith_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + long r; + long v[2]; + bool res = false; + bool boolres; + static char result[16]; + char **cpp; + + if (tTd(38, 2)) + { + sm_dprintf("arith_map_lookup: key '%s'\n", name); + for (cpp = av; cpp != NULL && *cpp != NULL; cpp++) + sm_dprintf("arith_map_lookup: arg '%s'\n", *cpp); + } + r = 0; + boolres = false; + cpp = av; + *statp = EX_OK; + + /* + ** read arguments for arith map + ** - no check is made whether they are really numbers + ** - just ignores args after the second + */ + + for (++cpp; cpp != NULL && *cpp != NULL && r < 2; cpp++) + v[r++] = strtol(*cpp, NULL, 0); + + /* operator and (at least) two operands given? */ + if (name != NULL && r == 2) + { + switch (*name) + { + case '|': + r = v[0] | v[1]; + break; + + case '&': + r = v[0] & v[1]; + break; + + case '%': + if (v[1] == 0) + return NULL; + r = v[0] % v[1]; + break; + case '+': + r = v[0] + v[1]; + break; + + case '-': + r = v[0] - v[1]; + break; + + case '*': + r = v[0] * v[1]; + break; + + case '/': + if (v[1] == 0) + return NULL; + r = v[0] / v[1]; + break; + + case 'l': + res = v[0] < v[1]; + boolres = true; + break; + + case '=': + res = v[0] == v[1]; + boolres = true; + break; + + default: + /* XXX */ + *statp = EX_CONFIG; + if (LogLevel > 10) + sm_syslog(LOG_WARNING, NOQID, + "arith_map: unknown operator %c", + isprint(*name) ? *name : '?'); + return NULL; + } + if (boolres) + (void) sm_snprintf(result, sizeof result, + res ? "TRUE" : "FALSE"); + else + (void) sm_snprintf(result, sizeof result, "%ld", r); + return result; + } + *statp = EX_CONFIG; + return NULL; +} + +#if SOCKETMAP + +# if NETINET || NETINET6 +# include +# endif /* NETINET || NETINET6 */ + +# define socket_map_next map_stack[0] + +/* +** SOCKET_MAP_OPEN -- open socket table +*/ + +bool +socket_map_open(map, mode) + MAP *map; + int mode; +{ + STAB *s; + int sock = 0; + SOCKADDR_LEN_T addrlen = 0; + int addrno = 0; + int save_errno; + char *p; + char *colon; + char *at; + struct hostent *hp = NULL; + SOCKADDR addr; + + if (tTd(38, 2)) + sm_dprintf("socket_map_open(%s, %s, %d)\n", + map->map_mname, map->map_file, mode); + + mode &= O_ACCMODE; + + /* sendmail doesn't have the ability to write to SOCKET (yet) */ + if (mode != O_RDONLY) + { + /* issue a pseudo-error message */ + errno = SM_EMAPCANTWRITE; + return false; + } + + if (*map->map_file == '\0') + { + syserr("socket map \"%s\": empty or missing socket information", + map->map_mname); + return false; + } + + s = socket_map_findconn(map->map_file); + if (s->s_socketmap != NULL) + { + /* Copy open connection */ + map->map_db1 = s->s_socketmap->map_db1; + + /* Add this map as head of linked list */ + map->socket_map_next = s->s_socketmap; + s->s_socketmap = map; + + if (tTd(38, 2)) + sm_dprintf("using cached connection\n"); + return true; + } + + if (tTd(38, 2)) + sm_dprintf("opening new connection\n"); + + /* following code is ripped from milter.c */ + /* XXX It should be put in a library... */ + + /* protocol:filename or protocol:port@host */ + memset(&addr, '\0', sizeof addr); + p = map->map_file; + colon = strchr(p, ':'); + if (colon != NULL) + { + *colon = '\0'; + + if (*p == '\0') + { +# if NETUNIX + /* default to AF_UNIX */ + addr.sa.sa_family = AF_UNIX; +# else /* NETUNIX */ +# if NETINET + /* default to AF_INET */ + addr.sa.sa_family = AF_INET; +# else /* NETINET */ +# if NETINET6 + /* default to AF_INET6 */ + addr.sa.sa_family = AF_INET6; +# else /* NETINET6 */ + /* no protocols available */ + syserr("socket map \"%s\": no valid socket protocols available", + map->map_mname); + return false; +# endif /* NETINET6 */ +# endif /* NETINET */ +# endif /* NETUNIX */ + } +# if NETUNIX + else if (sm_strcasecmp(p, "unix") == 0 || + sm_strcasecmp(p, "local") == 0) + addr.sa.sa_family = AF_UNIX; +# endif /* NETUNIX */ +# if NETINET + else if (sm_strcasecmp(p, "inet") == 0) + addr.sa.sa_family = AF_INET; +# endif /* NETINET */ +# if NETINET6 + else if (sm_strcasecmp(p, "inet6") == 0) + addr.sa.sa_family = AF_INET6; +# endif /* NETINET6 */ + else + { +# ifdef EPROTONOSUPPORT + errno = EPROTONOSUPPORT; +# else /* EPROTONOSUPPORT */ + errno = EINVAL; +# endif /* EPROTONOSUPPORT */ + syserr("socket map \"%s\": unknown socket type %s", + map->map_mname, p); + return false; + } + *colon++ = ':'; + } + else + { + colon = p; +#if NETUNIX + /* default to AF_UNIX */ + addr.sa.sa_family = AF_UNIX; +#else /* NETUNIX */ +# if NETINET + /* default to AF_INET */ + addr.sa.sa_family = AF_INET; +# else /* NETINET */ +# if NETINET6 + /* default to AF_INET6 */ + addr.sa.sa_family = AF_INET6; +# else /* NETINET6 */ + syserr("socket map \"%s\": unknown socket type %s", + map->map_mname, p); + return false; +# endif /* NETINET6 */ +# endif /* NETINET */ +#endif /* NETUNIX */ + } + +# if NETUNIX + if (addr.sa.sa_family == AF_UNIX) + { + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_EXECOK; + + at = colon; + if (strlen(colon) >= sizeof addr.sunix.sun_path) + { + syserr("socket map \"%s\": local socket name %s too long", + map->map_mname, colon); + return false; + } + errno = safefile(colon, RunAsUid, RunAsGid, RunAsUserName, sff, + S_IRUSR|S_IWUSR, NULL); + + if (errno != 0) + { + /* if not safe, don't create */ + syserr("socket map \"%s\": local socket name %s unsafe", + map->map_mname, colon); + return false; + } + + (void) sm_strlcpy(addr.sunix.sun_path, colon, + sizeof addr.sunix.sun_path); + addrlen = sizeof (struct sockaddr_un); + } + else +# endif /* NETUNIX */ +# if NETINET || NETINET6 + if (false +# if NETINET + || addr.sa.sa_family == AF_INET +# endif /* NETINET */ +# if NETINET6 + || addr.sa.sa_family == AF_INET6 +# endif /* NETINET6 */ + ) + { + unsigned short port; + + /* Parse port@host */ + at = strchr(colon, '@'); + if (at == NULL) + { + syserr("socket map \"%s\": bad address %s (expected port@host)", + map->map_mname, colon); + return false; + } + *at = '\0'; + if (isascii(*colon) && isdigit(*colon)) + port = htons((unsigned short) atoi(colon)); + else + { +# ifdef NO_GETSERVBYNAME + syserr("socket map \"%s\": invalid port number %s", + map->map_mname, colon); + return false; +# else /* NO_GETSERVBYNAME */ + register struct servent *sp; + + sp = getservbyname(colon, "tcp"); + if (sp == NULL) + { + syserr("socket map \"%s\": unknown port name %s", + map->map_mname, colon); + return false; + } + port = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + *at++ = '@'; + if (*at == '[') + { + char *end; + + end = strchr(at, ']'); + if (end != NULL) + { + bool found = false; +# if NETINET + unsigned long hid = INADDR_NONE; +# endif /* NETINET */ +# if NETINET6 + struct sockaddr_in6 hid6; +# endif /* NETINET6 */ + + *end = '\0'; +# if NETINET + if (addr.sa.sa_family == AF_INET && + (hid = inet_addr(&at[1])) != INADDR_NONE) + { + addr.sin.sin_addr.s_addr = hid; + addr.sin.sin_port = port; + found = true; + } +# endif /* NETINET */ +# if NETINET6 + (void) memset(&hid6, '\0', sizeof hid6); + if (addr.sa.sa_family == AF_INET6 && + anynet_pton(AF_INET6, &at[1], + &hid6.sin6_addr) == 1) + { + addr.sin6.sin6_addr = hid6.sin6_addr; + addr.sin6.sin6_port = port; + found = true; + } +# endif /* NETINET6 */ + *end = ']'; + if (!found) + { + syserr("socket map \"%s\": Invalid numeric domain spec \"%s\"", + map->map_mname, at); + return false; + } + } + else + { + syserr("socket map \"%s\": Invalid numeric domain spec \"%s\"", + map->map_mname, at); + return false; + } + } + else + { + hp = sm_gethostbyname(at, addr.sa.sa_family); + if (hp == NULL) + { + syserr("socket map \"%s\": Unknown host name %s", + map->map_mname, at); + return false; + } + addr.sa.sa_family = hp->h_addrtype; + switch (hp->h_addrtype) + { +# if NETINET + case AF_INET: + memmove(&addr.sin.sin_addr, + hp->h_addr, INADDRSZ); + addr.sin.sin_port = port; + addrlen = sizeof (struct sockaddr_in); + addrno = 1; + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + hp->h_addr, IN6ADDRSZ); + addr.sin6.sin6_port = port; + addrlen = sizeof (struct sockaddr_in6); + addrno = 1; + break; +# endif /* NETINET6 */ + + default: + syserr("socket map \"%s\": Unknown protocol for %s (%d)", + map->map_mname, at, hp->h_addrtype); +# if NETINET6 + freehostent(hp); +# endif /* NETINET6 */ + return false; + } + } + } + else +# endif /* NETINET || NETINET6 */ + { + syserr("socket map \"%s\": unknown socket protocol", + map->map_mname); + return false; + } + + /* nope, actually connecting */ + for (;;) + { + sock = socket(addr.sa.sa_family, SOCK_STREAM, 0); + if (sock < 0) + { + save_errno = errno; + if (tTd(38, 5)) + sm_dprintf("socket map \"%s\": error creating socket: %s\n", + map->map_mname, + sm_errstring(save_errno)); +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return false; + } + + if (connect(sock, (struct sockaddr *) &addr, addrlen) >= 0) + break; + + /* couldn't connect.... try next address */ + save_errno = errno; + p = CurHostName; + CurHostName = at; + if (tTd(38, 5)) + sm_dprintf("socket_open (%s): open %s failed: %s\n", + map->map_mname, at, sm_errstring(save_errno)); + CurHostName = p; + (void) close(sock); + + /* try next address */ + if (hp != NULL && hp->h_addr_list[addrno] != NULL) + { + switch (addr.sa.sa_family) + { +# if NETINET + case AF_INET: + memmove(&addr.sin.sin_addr, + hp->h_addr_list[addrno++], + INADDRSZ); + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + hp->h_addr_list[addrno++], + IN6ADDRSZ); + break; +# endif /* NETINET6 */ + + default: + if (tTd(38, 5)) + sm_dprintf("socket map \"%s\": Unknown protocol for %s (%d)\n", + map->map_mname, at, + hp->h_addrtype); +# if NETINET6 + freehostent(hp); +# endif /* NETINET6 */ + return false; + } + continue; + } + p = CurHostName; + CurHostName = at; + if (tTd(38, 5)) + sm_dprintf("socket map \"%s\": error connecting to socket map: %s\n", + map->map_mname, sm_errstring(save_errno)); + CurHostName = p; +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return false; + } +# if NETINET6 + if (hp != NULL) + { + freehostent(hp); + hp = NULL; + } +# endif /* NETINET6 */ + if ((map->map_db1 = (ARBPTR_T) sm_io_open(SmFtStdiofd, + SM_TIME_DEFAULT, + (void *) &sock, + SM_IO_RDWR, + NULL)) == NULL) + { + close(sock); + if (tTd(38, 2)) + sm_dprintf("socket_open (%s): failed to create stream: %s\n", + map->map_mname, sm_errstring(errno)); + return false; + } + + /* Save connection for reuse */ + s->s_socketmap = map; + return true; +} + +/* +** SOCKET_MAP_FINDCONN -- find a SOCKET connection to the server +** +** Cache SOCKET connections based on the connection specifier +** and PID so we don't have multiple connections open to +** the same server for different maps. Need a separate connection +** per PID since a parent process may close the map before the +** child is done with it. +** +** Parameters: +** conn -- SOCKET map connection specifier +** +** Returns: +** Symbol table entry for the SOCKET connection. +*/ + +static STAB * +socket_map_findconn(conn) + const char *conn; +{ + char *nbuf; + STAB *SM_NONVOLATILE s = NULL; + + nbuf = sm_stringf_x("%s%c%d", conn, CONDELSE, (int) CurrentPid); + SM_TRY + s = stab(nbuf, ST_SOCKETMAP, ST_ENTER); + SM_FINALLY + sm_free(nbuf); + SM_END_TRY + return s; +} + +/* +** SOCKET_MAP_CLOSE -- close the socket +*/ + +void +socket_map_close(map) + MAP *map; +{ + STAB *s; + MAP *smap; + + if (tTd(38, 20)) + sm_dprintf("socket_map_close(%s), pid=%ld\n", map->map_file, + (long) CurrentPid); + + /* Check if already closed */ + if (map->map_db1 == NULL) + { + if (tTd(38, 20)) + sm_dprintf("socket_map_close(%s) already closed\n", + map->map_file); + return; + } + sm_io_close((SM_FILE_T *)map->map_db1, SM_TIME_DEFAULT); + + /* Mark all the maps that share the connection as closed */ + s = socket_map_findconn(map->map_file); + smap = s->s_socketmap; + while (smap != NULL) + { + MAP *next; + + if (tTd(38, 2) && smap != map) + sm_dprintf("socket_map_close(%s): closed %s (shared SOCKET connection)\n", + map->map_mname, smap->map_mname); + + smap->map_mflags &= ~(MF_OPEN|MF_WRITABLE); + smap->map_db1 = NULL; + next = smap->socket_map_next; + smap->socket_map_next = NULL; + smap = next; + } + s->s_socketmap = NULL; +} + +/* +** SOCKET_MAP_LOOKUP -- look up a datum in a SOCKET table +*/ + +char * +socket_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + unsigned int nettolen, replylen, recvlen; + char *replybuf, *rval, *value, *status, *key; + SM_FILE_T *f; + char keybuf[MAXNAME + 1]; + + replybuf = NULL; + rval = NULL; + f = (SM_FILE_T *)map->map_db1; + if (tTd(38, 20)) + sm_dprintf("socket_map_lookup(%s, %s) %s\n", + map->map_mname, name, map->map_file); + + if (!bitset(MF_NOFOLDCASE, map->map_mflags)) + { + nettolen = strlen(name); + if (nettolen > sizeof keybuf - 1) + nettolen = sizeof keybuf - 1; + memmove(keybuf, name, nettolen); + keybuf[nettolen] = '\0'; + makelower(keybuf); + key = keybuf; + } + else + key = name; + + nettolen = strlen(map->map_mname) + 1 + strlen(key); + SM_ASSERT(nettolen > strlen(map->map_mname)); + SM_ASSERT(nettolen > strlen(key)); + if ((sm_io_fprintf(f, SM_TIME_DEFAULT, "%u:%s %s,", + nettolen, map->map_mname, key) == SM_IO_EOF) || + (sm_io_flush(f, SM_TIME_DEFAULT) != 0) || + (sm_io_error(f))) + { + syserr("451 4.3.0 socket_map_lookup(%s): failed to send lookup request", + map->map_mname); + *statp = EX_TEMPFAIL; + goto errcl; + } + + if (sm_io_fscanf(f, SM_TIME_DEFAULT, "%9u", &replylen) != 1) + { + syserr("451 4.3.0 socket_map_lookup(%s): failed to read length parameter of reply", + map->map_mname); + *statp = EX_TEMPFAIL; + goto errcl; + } + if (replylen > SOCKETMAP_MAXL) + { + syserr("451 4.3.0 socket_map_lookup(%s): reply too long: %u", + map->map_mname, replylen); + *statp = EX_TEMPFAIL; + goto errcl; + } + if (sm_io_getc(f, SM_TIME_DEFAULT) != ':') + { + syserr("451 4.3.0 socket_map_lookup(%s): missing ':' in reply", + map->map_mname); + *statp = EX_TEMPFAIL; + goto error; + } + + replybuf = (char *) sm_malloc(replylen + 1); + if (replybuf == NULL) + { + syserr("451 4.3.0 socket_map_lookup(%s): can't allocate %u bytes", + map->map_mname, replylen + 1); + *statp = EX_OSERR; + goto error; + } + + recvlen = sm_io_read(f, SM_TIME_DEFAULT, replybuf, replylen); + if (recvlen < replylen) + { + syserr("451 4.3.0 socket_map_lookup(%s): received only %u of %u reply characters", + map->map_mname, recvlen, replylen); + *statp = EX_TEMPFAIL; + goto errcl; + } + if (sm_io_getc(f, SM_TIME_DEFAULT) != ',') + { + syserr("451 4.3.0 socket_map_lookup(%s): missing ',' in reply", + map->map_mname); + *statp = EX_TEMPFAIL; + goto errcl; + } + status = replybuf; + replybuf[recvlen] = '\0'; + value = strchr(replybuf, ' '); + if (value != NULL) + { + *value = '\0'; + value++; + } + if (strcmp(status, "OK") == 0) + { + *statp = EX_OK; + + /* collect the return value */ + if (bitset(MF_MATCHONLY, map->map_mflags)) + rval = map_rewrite(map, key, strlen(key), NULL); + else + rval = map_rewrite(map, value, strlen(value), av); + } + else if (strcmp(status, "NOTFOUND") == 0) + { + *statp = EX_NOTFOUND; + if (tTd(38, 20)) + sm_dprintf("socket_map_lookup(%s): %s not found\n", + map->map_mname, key); + } + else + { + if (tTd(38, 5)) + sm_dprintf("socket_map_lookup(%s, %s): server returned error: type=%s, reason=%s\n", + map->map_mname, key, status, + value ? value : ""); + if ((strcmp(status, "TEMP") == 0) || + (strcmp(status, "TIMEOUT") == 0)) + *statp = EX_TEMPFAIL; + else if(strcmp(status, "PERM") == 0) + *statp = EX_UNAVAILABLE; + else + *statp = EX_PROTOCOL; + } + + if (replybuf != NULL) + sm_free(replybuf); + return rval; + + errcl: + socket_map_close(map); + error: + if (replybuf != NULL) + sm_free(replybuf); + return rval; +} +#endif /* SOCKETMAP */ diff --git a/contrib/sendmail-8.13.4/sendmail/mci.c b/contrib/sendmail-8.13.4/sendmail/mci.c new file mode 100644 index 0000000000..2ab0f4b8e0 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/mci.c @@ -0,0 +1,1552 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: mci.c,v 8.214 2005/02/04 22:01:45 ca Exp $") + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +#include + +static int mci_generate_persistent_path __P((const char *, char *, + int, bool)); +static bool mci_load_persistent __P((MCI *)); +static void mci_uncache __P((MCI **, bool)); +static int mci_lock_host_statfile __P((MCI *)); +static int mci_read_persistent __P((SM_FILE_T *, MCI *)); + +/* +** Mail Connection Information (MCI) Caching Module. +** +** There are actually two separate things cached. The first is +** the set of all open connections -- these are stored in a +** (small) list. The second is stored in the symbol table; it +** has the overall status for all hosts, whether or not there +** is a connection open currently. +** +** There should never be too many connections open (since this +** could flood the socket table), nor should a connection be +** allowed to sit idly for too long. +** +** MaxMciCache is the maximum number of open connections that +** will be supported. +** +** MciCacheTimeout is the time (in seconds) that a connection +** is permitted to survive without activity. +** +** We actually try any cached connections by sending a NOOP +** before we use them; if the NOOP fails we close down the +** connection and reopen it. Note that this means that a +** server SMTP that doesn't support NOOP will hose the +** algorithm -- but that doesn't seem too likely. +** +** The persistent MCI code is donated by Mark Lovell and Paul +** Vixie. It is based on the long term host status code in KJS +** written by Paul but has been adapted by Mark to fit into the +** MCI structure. +*/ + +static MCI **MciCache; /* the open connection cache */ + +/* +** MCI_CACHE -- enter a connection structure into the open connection cache +** +** This may cause something else to be flushed. +** +** Parameters: +** mci -- the connection to cache. +** +** Returns: +** none. +*/ + +void +mci_cache(mci) + register MCI *mci; +{ + register MCI **mcislot; + + /* + ** Find the best slot. This may cause expired connections + ** to be closed. + */ + + mcislot = mci_scan(mci); + if (mcislot == NULL) + { + /* we don't support caching */ + return; + } + + if (mci->mci_host == NULL) + return; + + /* if this is already cached, we are done */ + if (bitset(MCIF_CACHED, mci->mci_flags)) + return; + + /* otherwise we may have to clear the slot */ + if (*mcislot != NULL) + mci_uncache(mcislot, true); + + if (tTd(42, 5)) + sm_dprintf("mci_cache: caching %p (%s) in slot %d\n", + mci, mci->mci_host, (int) (mcislot - MciCache)); + if (tTd(91, 100)) + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "mci_cache: caching %lx (%.100s) in slot %d", + (unsigned long) mci, mci->mci_host, + (int) (mcislot - MciCache)); + + *mcislot = mci; + mci->mci_flags |= MCIF_CACHED; +} +/* +** MCI_SCAN -- scan the cache, flush junk, and return best slot +** +** Parameters: +** savemci -- never flush this one. Can be null. +** +** Returns: +** The LRU (or empty) slot. +*/ + +MCI ** +mci_scan(savemci) + MCI *savemci; +{ + time_t now; + register MCI **bestmci; + register MCI *mci; + register int i; + + if (MaxMciCache <= 0) + { + /* we don't support caching */ + return NULL; + } + + if (MciCache == NULL) + { + /* first call */ + MciCache = (MCI **) sm_pmalloc_x(MaxMciCache * sizeof *MciCache); + memset((char *) MciCache, '\0', MaxMciCache * sizeof *MciCache); + return &MciCache[0]; + } + + now = curtime(); + bestmci = &MciCache[0]; + for (i = 0; i < MaxMciCache; i++) + { + mci = MciCache[i]; + if (mci == NULL || mci->mci_state == MCIS_CLOSED) + { + bestmci = &MciCache[i]; + continue; + } + if ((mci->mci_lastuse + MciCacheTimeout <= now || + (mci->mci_mailer != NULL && + mci->mci_mailer->m_maxdeliveries > 0 && + mci->mci_deliveries + 1 >= mci->mci_mailer->m_maxdeliveries))&& + mci != savemci) + { + /* connection idle too long or too many deliveries */ + bestmci = &MciCache[i]; + + /* close it */ + mci_uncache(bestmci, true); + continue; + } + if (*bestmci == NULL) + continue; + if (mci->mci_lastuse < (*bestmci)->mci_lastuse) + bestmci = &MciCache[i]; + } + return bestmci; +} +/* +** MCI_UNCACHE -- remove a connection from a slot. +** +** May close a connection. +** +** Parameters: +** mcislot -- the slot to empty. +** doquit -- if true, send QUIT protocol on this connection. +** if false, we are assumed to be in a forked child; +** all we want to do is close the file(s). +** +** Returns: +** none. +*/ + +static void +mci_uncache(mcislot, doquit) + register MCI **mcislot; + bool doquit; +{ + register MCI *mci; + extern ENVELOPE BlankEnvelope; + + mci = *mcislot; + if (mci == NULL) + return; + *mcislot = NULL; + if (mci->mci_host == NULL) + return; + + mci_unlock_host(mci); + + if (tTd(42, 5)) + sm_dprintf("mci_uncache: uncaching %p (%s) from slot %d (%d)\n", + mci, mci->mci_host, (int) (mcislot - MciCache), + doquit); + if (tTd(91, 100)) + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "mci_uncache: uncaching %lx (%.100s) from slot %d (%d)", + (unsigned long) mci, mci->mci_host, + (int) (mcislot - MciCache), doquit); + + mci->mci_deliveries = 0; + if (doquit) + { + message("Closing connection to %s", mci->mci_host); + + mci->mci_flags &= ~MCIF_CACHED; + + /* only uses the envelope to flush the transcript file */ + if (mci->mci_state != MCIS_CLOSED) + smtpquit(mci->mci_mailer, mci, &BlankEnvelope); +#if XLA + xla_host_end(mci->mci_host); +#endif /* XLA */ + } + else + { + if (mci->mci_in != NULL) + (void) sm_io_close(mci->mci_in, SM_TIME_DEFAULT); + if (mci->mci_out != NULL) + (void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT); + mci->mci_in = mci->mci_out = NULL; + mci->mci_state = MCIS_CLOSED; + mci->mci_exitstat = EX_OK; + mci->mci_errno = 0; + mci->mci_flags = 0; + + mci->mci_retryrcpt = false; + mci->mci_tolist = NULL; +#if PIPELINING + mci->mci_okrcpts = 0; +#endif /* PIPELINING */ + } + + SM_FREE_CLR(mci->mci_status); + SM_FREE_CLR(mci->mci_rstatus); + SM_FREE_CLR(mci->mci_heloname); + if (mci->mci_rpool != NULL) + { + sm_rpool_free(mci->mci_rpool); + mci->mci_macro.mac_rpool = NULL; + mci->mci_rpool = NULL; + } +} +/* +** MCI_FLUSH -- flush the entire cache +** +** Parameters: +** doquit -- if true, send QUIT protocol. +** if false, just close the connection. +** allbut -- but leave this one open. +** +** Returns: +** none. +*/ + +void +mci_flush(doquit, allbut) + bool doquit; + MCI *allbut; +{ + register int i; + + if (MciCache == NULL) + return; + + for (i = 0; i < MaxMciCache; i++) + { + if (allbut != MciCache[i]) + mci_uncache(&MciCache[i], doquit); + } +} +/* +** MCI_GET -- get information about a particular host +** +** Parameters: +** host -- host to look for. +** m -- mailer. +** +** Returns: +** mci for this host (might be new). +*/ + +MCI * +mci_get(host, m) + char *host; + MAILER *m; +{ + register MCI *mci; + register STAB *s; + extern SOCKADDR CurHostAddr; + + /* clear CurHostAddr so we don't get a bogus address with this name */ + memset(&CurHostAddr, '\0', sizeof CurHostAddr); + + /* clear out any expired connections */ + (void) mci_scan(NULL); + + if (m->m_mno < 0) + syserr("!negative mno %d (%s)", m->m_mno, m->m_name); + + s = stab(host, ST_MCI + m->m_mno, ST_ENTER); + mci = &s->s_mci; + + /* initialize per-message data */ + mci->mci_retryrcpt = false; + mci->mci_tolist = NULL; +#if PIPELINING + mci->mci_okrcpts = 0; +#endif /* PIPELINING */ + + if (mci->mci_rpool == NULL) + mci->mci_rpool = sm_rpool_new_x(NULL); + + if (mci->mci_macro.mac_rpool == NULL) + mci->mci_macro.mac_rpool = mci->mci_rpool; + + /* + ** We don't need to load the persistent data if we have data + ** already loaded in the cache. + */ + + if (mci->mci_host == NULL && + (mci->mci_host = s->s_name) != NULL && + !mci_load_persistent(mci)) + { + if (tTd(42, 2)) + sm_dprintf("mci_get(%s %s): lock failed\n", + host, m->m_name); + mci->mci_exitstat = EX_TEMPFAIL; + mci->mci_state = MCIS_CLOSED; + mci->mci_statfile = NULL; + return mci; + } + + if (tTd(42, 2)) + { + sm_dprintf("mci_get(%s %s): mci_state=%d, _flags=%lx, _exitstat=%d, _errno=%d\n", + host, m->m_name, mci->mci_state, mci->mci_flags, + mci->mci_exitstat, mci->mci_errno); + } + + if (mci->mci_state == MCIS_OPEN) + { + /* poke the connection to see if it's still alive */ + (void) smtpprobe(mci); + + /* reset the stored state in the event of a timeout */ + if (mci->mci_state != MCIS_OPEN) + { + mci->mci_errno = 0; + mci->mci_exitstat = EX_OK; + mci->mci_state = MCIS_CLOSED; + } + else + { + /* get peer host address */ + /* (this should really be in the mci struct) */ + SOCKADDR_LEN_T socklen = sizeof CurHostAddr; + + (void) getpeername(sm_io_getinfo(mci->mci_in, + SM_IO_WHAT_FD, NULL), + (struct sockaddr *) &CurHostAddr, &socklen); + } + } + if (mci->mci_state == MCIS_CLOSED) + { + time_t now = curtime(); + + /* if this info is stale, ignore it */ + if (mci->mci_lastuse + MciInfoTimeout <= now) + { + mci->mci_lastuse = now; + mci->mci_errno = 0; + mci->mci_exitstat = EX_OK; + } + } + + return mci; +} + +/* +** MCI_CLOSE -- (forcefully) close files used for a connection. +** Note: this is a last resort, usually smtpquit() or endmailer() +** should be used to close a connection. +** +** Parameters: +** mci -- the connection to close. +** where -- where has this been called? +** +** Returns: +** none. +*/ + +void +mci_close(mci, where) + MCI *mci; + char *where; +{ + bool dumped; + + if (mci == NULL) + return; + dumped = false; + if (mci->mci_out != NULL) + { + if (tTd(56, 1)) + { + sm_dprintf("mci_close: mci_out!=NULL, where=%s\n", + where); + mci_dump(sm_debug_file(), mci, false); + dumped = true; + } + (void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT); + mci->mci_out = NULL; + } + if (mci->mci_in != NULL) + { + if (tTd(56, 1)) + { + sm_dprintf("mci_close: mci_in!=NULL, where=%s\n", + where); + if (!dumped) + mci_dump(sm_debug_file(), mci, false); + } + (void) sm_io_close(mci->mci_in, SM_TIME_DEFAULT); + mci->mci_in = NULL; + } + mci->mci_state = MCIS_CLOSED; +} + +/* +** MCI_NEW -- allocate new MCI structure +** +** Parameters: +** rpool -- if non-NULL: allocate from that rpool. +** +** Returns: +** mci (new). +*/ + +MCI * +mci_new(rpool) + SM_RPOOL_T *rpool; +{ + register MCI *mci; + + if (rpool == NULL) + mci = (MCI *) sm_malloc_x(sizeof *mci); + else + mci = (MCI *) sm_rpool_malloc_x(rpool, sizeof *mci); + memset((char *) mci, '\0', sizeof *mci); + mci->mci_rpool = sm_rpool_new_x(NULL); + mci->mci_macro.mac_rpool = mci->mci_rpool; + return mci; +} +/* +** MCI_MATCH -- check connection cache for a particular host +** +** Parameters: +** host -- host to look for. +** m -- mailer. +** +** Returns: +** true iff open connection exists. +*/ + +bool +mci_match(host, m) + char *host; + MAILER *m; +{ + register MCI *mci; + register STAB *s; + + if (m->m_mno < 0 || m->m_mno > MAXMAILERS) + return false; + s = stab(host, ST_MCI + m->m_mno, ST_FIND); + if (s == NULL) + return false; + + mci = &s->s_mci; + return mci->mci_state == MCIS_OPEN; +} +/* +** MCI_SETSTAT -- set status codes in MCI structure. +** +** Parameters: +** mci -- the MCI structure to set. +** xstat -- the exit status code. +** dstat -- the DSN status code. +** rstat -- the SMTP status code. +** +** Returns: +** none. +*/ + +void +mci_setstat(mci, xstat, dstat, rstat) + MCI *mci; + int xstat; + char *dstat; + char *rstat; +{ + /* protocol errors should never be interpreted as sticky */ + if (xstat != EX_NOTSTICKY && xstat != EX_PROTOCOL) + mci->mci_exitstat = xstat; + + SM_FREE_CLR(mci->mci_status); + if (dstat != NULL) + mci->mci_status = sm_strdup_x(dstat); + + SM_FREE_CLR(mci->mci_rstatus); + if (rstat != NULL) + mci->mci_rstatus = sm_strdup_x(rstat); +} +/* +** MCI_DUMP -- dump the contents of an MCI structure. +** +** Parameters: +** fp -- output file pointer +** mci -- the MCI structure to dump. +** +** Returns: +** none. +** +** Side Effects: +** none. +*/ + +struct mcifbits +{ + int mcif_bit; /* flag bit */ + char *mcif_name; /* flag name */ +}; +static struct mcifbits MciFlags[] = +{ + { MCIF_VALID, "VALID" }, + { MCIF_CACHED, "CACHED" }, + { MCIF_ESMTP, "ESMTP" }, + { MCIF_EXPN, "EXPN" }, + { MCIF_SIZE, "SIZE" }, + { MCIF_8BITMIME, "8BITMIME" }, + { MCIF_7BIT, "7BIT" }, + { MCIF_INHEADER, "INHEADER" }, + { MCIF_CVT8TO7, "CVT8TO7" }, + { MCIF_DSN, "DSN" }, + { MCIF_8BITOK, "8BITOK" }, + { MCIF_CVT7TO8, "CVT7TO8" }, + { MCIF_INMIME, "INMIME" }, + { MCIF_AUTH, "AUTH" }, + { MCIF_AUTHACT, "AUTHACT" }, + { MCIF_ENHSTAT, "ENHSTAT" }, + { MCIF_PIPELINED, "PIPELINED" }, +#if STARTTLS + { MCIF_TLS, "TLS" }, + { MCIF_TLSACT, "TLSACT" }, +#endif /* STARTTLS */ + { MCIF_DLVR_BY, "DLVR_BY" }, + { 0, NULL } +}; + +void +mci_dump(fp, mci, logit) + SM_FILE_T *fp; + register MCI *mci; + bool logit; +{ + register char *p; + char *sep; + char buf[4000]; + + sep = logit ? " " : "\n\t"; + p = buf; + (void) sm_snprintf(p, SPACELEFT(buf, p), "MCI@%p: ", mci); + p += strlen(p); + if (mci == NULL) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), "NULL"); + goto printit; + } + (void) sm_snprintf(p, SPACELEFT(buf, p), "flags=%lx", mci->mci_flags); + p += strlen(p); + + /* + ** The following check is just for paranoia. It protects the + ** assignment in the if() clause. If there's not some minimum + ** amount of space we can stop right now. The check will not + ** trigger as long as sizeof(buf)=4000. + */ + + if (p >= buf + sizeof(buf) - 4) + goto printit; + if (mci->mci_flags != 0) + { + struct mcifbits *f; + + *p++ = '<'; /* protected above */ + for (f = MciFlags; f->mcif_bit != 0; f++) + { + if (!bitset(f->mcif_bit, mci->mci_flags)) + continue; + (void) sm_strlcpyn(p, SPACELEFT(buf, p), 2, + f->mcif_name, ","); + p += strlen(p); + } + p[-1] = '>'; + } + + /* Note: sm_snprintf() takes care of NULL arguments for %s */ + (void) sm_snprintf(p, SPACELEFT(buf, p), + ",%serrno=%d, herrno=%d, exitstat=%d, state=%d, pid=%d,%s", + sep, mci->mci_errno, mci->mci_herrno, + mci->mci_exitstat, mci->mci_state, (int) mci->mci_pid, sep); + p += strlen(p); + (void) sm_snprintf(p, SPACELEFT(buf, p), + "maxsize=%ld, phase=%s, mailer=%s,%s", + mci->mci_maxsize, mci->mci_phase, + mci->mci_mailer == NULL ? "NULL" : mci->mci_mailer->m_name, + sep); + p += strlen(p); + (void) sm_snprintf(p, SPACELEFT(buf, p), + "status=%s, rstatus=%s,%s", + mci->mci_status, mci->mci_rstatus, sep); + p += strlen(p); + (void) sm_snprintf(p, SPACELEFT(buf, p), + "host=%s, lastuse=%s", + mci->mci_host, ctime(&mci->mci_lastuse)); +printit: + if (logit) + sm_syslog(LOG_DEBUG, CurEnv->e_id, "%.1000s", buf); + else + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s\n", buf); +} +/* +** MCI_DUMP_ALL -- print the entire MCI cache +** +** Parameters: +** fp -- output file pointer +** logit -- if set, log the result instead of printing +** to stdout. +** +** Returns: +** none. +*/ + +void +mci_dump_all(fp, logit) + SM_FILE_T *fp; + bool logit; +{ + register int i; + + if (MciCache == NULL) + return; + + for (i = 0; i < MaxMciCache; i++) + mci_dump(fp, MciCache[i], logit); +} +/* +** MCI_LOCK_HOST -- Lock host while sending. +** +** If we are contacting a host, we'll need to +** update the status information in the host status +** file, and if we want to do that, we ought to have +** locked it. This has the (according to some) +** desirable effect of serializing connectivity with +** remote hosts -- i.e.: one connection to a given +** host at a time. +** +** Parameters: +** mci -- containing the host we want to lock. +** +** Returns: +** EX_OK -- got the lock. +** EX_TEMPFAIL -- didn't get the lock. +*/ + +int +mci_lock_host(mci) + MCI *mci; +{ + if (mci == NULL) + { + if (tTd(56, 1)) + sm_dprintf("mci_lock_host: NULL mci\n"); + return EX_OK; + } + + if (!SingleThreadDelivery) + return EX_OK; + + return mci_lock_host_statfile(mci); +} + +static int +mci_lock_host_statfile(mci) + MCI *mci; +{ + int save_errno = errno; + int retVal = EX_OK; + char fname[MAXPATHLEN]; + + if (HostStatDir == NULL || mci->mci_host == NULL) + return EX_OK; + + if (tTd(56, 2)) + sm_dprintf("mci_lock_host: attempting to lock %s\n", + mci->mci_host); + + if (mci_generate_persistent_path(mci->mci_host, fname, sizeof fname, + true) < 0) + { + /* of course this should never happen */ + if (tTd(56, 2)) + sm_dprintf("mci_lock_host: Failed to generate host path for %s\n", + mci->mci_host); + + retVal = EX_TEMPFAIL; + goto cleanup; + } + + mci->mci_statfile = safefopen(fname, O_RDWR, FileMode, + SFF_NOLOCK|SFF_NOLINK|SFF_OPENASROOT|SFF_REGONLY|SFF_SAFEDIRPATH|SFF_CREAT); + + if (mci->mci_statfile == NULL) + { + syserr("mci_lock_host: cannot create host lock file %s", fname); + goto cleanup; + } + + if (!lockfile(sm_io_getinfo(mci->mci_statfile, SM_IO_WHAT_FD, NULL), + fname, "", LOCK_EX|LOCK_NB)) + { + if (tTd(56, 2)) + sm_dprintf("mci_lock_host: couldn't get lock on %s\n", + fname); + (void) sm_io_close(mci->mci_statfile, SM_TIME_DEFAULT); + mci->mci_statfile = NULL; + retVal = EX_TEMPFAIL; + goto cleanup; + } + + if (tTd(56, 12) && mci->mci_statfile != NULL) + sm_dprintf("mci_lock_host: Sanity check -- lock is good\n"); + +cleanup: + errno = save_errno; + return retVal; +} +/* +** MCI_UNLOCK_HOST -- unlock host +** +** Clean up the lock on a host, close the file, let +** someone else use it. +** +** Parameters: +** mci -- us. +** +** Returns: +** nothing. +*/ + +void +mci_unlock_host(mci) + MCI *mci; +{ + int save_errno = errno; + + if (mci == NULL) + { + if (tTd(56, 1)) + sm_dprintf("mci_unlock_host: NULL mci\n"); + return; + } + + if (HostStatDir == NULL || mci->mci_host == NULL) + return; + + if (!SingleThreadDelivery && mci_lock_host_statfile(mci) == EX_TEMPFAIL) + { + if (tTd(56, 1)) + sm_dprintf("mci_unlock_host: stat file already locked\n"); + } + else + { + if (tTd(56, 2)) + sm_dprintf("mci_unlock_host: store prior to unlock\n"); + mci_store_persistent(mci); + } + + if (mci->mci_statfile != NULL) + { + (void) sm_io_close(mci->mci_statfile, SM_TIME_DEFAULT); + mci->mci_statfile = NULL; + } + + errno = save_errno; +} +/* +** MCI_LOAD_PERSISTENT -- load persistent host info +** +** Load information about host that is kept +** in common for all running sendmails. +** +** Parameters: +** mci -- the host/connection to load persistent info for. +** +** Returns: +** true -- lock was successful +** false -- lock failed +*/ + +static bool +mci_load_persistent(mci) + MCI *mci; +{ + int save_errno = errno; + bool locked = true; + SM_FILE_T *fp; + char fname[MAXPATHLEN]; + + if (mci == NULL) + { + if (tTd(56, 1)) + sm_dprintf("mci_load_persistent: NULL mci\n"); + return true; + } + + if (IgnoreHostStatus || HostStatDir == NULL || mci->mci_host == NULL) + return true; + + /* Already have the persistent information in memory */ + if (SingleThreadDelivery && mci->mci_statfile != NULL) + return true; + + if (tTd(56, 1)) + sm_dprintf("mci_load_persistent: Attempting to load persistent information for %s\n", + mci->mci_host); + + if (mci_generate_persistent_path(mci->mci_host, fname, sizeof fname, + false) < 0) + { + /* Not much we can do if the file isn't there... */ + if (tTd(56, 1)) + sm_dprintf("mci_load_persistent: Couldn't generate host path\n"); + goto cleanup; + } + + fp = safefopen(fname, O_RDONLY, FileMode, + SFF_NOLOCK|SFF_NOLINK|SFF_OPENASROOT|SFF_REGONLY|SFF_SAFEDIRPATH); + if (fp == NULL) + { + /* I can't think of any reason this should ever happen */ + if (tTd(56, 1)) + sm_dprintf("mci_load_persistent: open(%s): %s\n", + fname, sm_errstring(errno)); + goto cleanup; + } + + FileName = fname; + locked = lockfile(sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL), fname, "", + LOCK_SH|LOCK_NB); + if (locked) + { + (void) mci_read_persistent(fp, mci); + (void) lockfile(sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL), fname, + "", LOCK_UN); + } + FileName = NULL; + (void) sm_io_close(fp, SM_TIME_DEFAULT); + +cleanup: + errno = save_errno; + return locked; +} +/* +** MCI_READ_PERSISTENT -- read persistent host status file +** +** Parameters: +** fp -- the file pointer to read. +** mci -- the pointer to fill in. +** +** Returns: +** -1 -- if the file was corrupt. +** 0 -- otherwise. +** +** Warning: +** This code makes the assumption that this data +** will be read in an atomic fashion, and that the data +** was written in an atomic fashion. Any other functioning +** may lead to some form of insanity. This should be +** perfectly safe due to underlying stdio buffering. +*/ + +static int +mci_read_persistent(fp, mci) + SM_FILE_T *fp; + register MCI *mci; +{ + int ver; + register char *p; + int saveLineNumber = LineNumber; + char buf[MAXLINE]; + + if (fp == NULL) + syserr("mci_read_persistent: NULL fp"); + if (mci == NULL) + syserr("mci_read_persistent: NULL mci"); + if (tTd(56, 93)) + { + sm_dprintf("mci_read_persistent: fp=%lx, mci=", + (unsigned long) fp); + } + + SM_FREE_CLR(mci->mci_status); + SM_FREE_CLR(mci->mci_rstatus); + + sm_io_rewind(fp, SM_TIME_DEFAULT); + ver = -1; + LineNumber = 0; + while (sm_io_fgets(fp, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) + { + LineNumber++; + p = strchr(buf, '\n'); + if (p != NULL) + *p = '\0'; + switch (buf[0]) + { + case 'V': /* version stamp */ + ver = atoi(&buf[1]); + if (ver < 0 || ver > 0) + syserr("Unknown host status version %d: %d max", + ver, 0); + break; + + case 'E': /* UNIX error number */ + mci->mci_errno = atoi(&buf[1]); + break; + + case 'H': /* DNS error number */ + mci->mci_herrno = atoi(&buf[1]); + break; + + case 'S': /* UNIX exit status */ + mci->mci_exitstat = atoi(&buf[1]); + break; + + case 'D': /* DSN status */ + mci->mci_status = newstr(&buf[1]); + break; + + case 'R': /* SMTP status */ + mci->mci_rstatus = newstr(&buf[1]); + break; + + case 'U': /* last usage time */ + mci->mci_lastuse = atol(&buf[1]); + break; + + case '.': /* end of file */ + if (tTd(56, 93)) + mci_dump(sm_debug_file(), mci, false); + return 0; + + default: + sm_syslog(LOG_CRIT, NOQID, + "%s: line %d: Unknown host status line \"%s\"", + FileName == NULL ? mci->mci_host : FileName, + LineNumber, buf); + LineNumber = saveLineNumber; + return -1; + } + } + LineNumber = saveLineNumber; + if (tTd(56, 93)) + sm_dprintf("incomplete (missing dot for EOF)\n"); + if (ver < 0) + return -1; + return 0; +} +/* +** MCI_STORE_PERSISTENT -- Store persistent MCI information +** +** Store information about host that is kept +** in common for all running sendmails. +** +** Parameters: +** mci -- the host/connection to store persistent info for. +** +** Returns: +** none. +*/ + +void +mci_store_persistent(mci) + MCI *mci; +{ + int save_errno = errno; + + if (mci == NULL) + { + if (tTd(56, 1)) + sm_dprintf("mci_store_persistent: NULL mci\n"); + return; + } + + if (HostStatDir == NULL || mci->mci_host == NULL) + return; + + if (tTd(56, 1)) + sm_dprintf("mci_store_persistent: Storing information for %s\n", + mci->mci_host); + + if (mci->mci_statfile == NULL) + { + if (tTd(56, 1)) + sm_dprintf("mci_store_persistent: no statfile\n"); + return; + } + + sm_io_rewind(mci->mci_statfile, SM_TIME_DEFAULT); +#if !NOFTRUNCATE + (void) ftruncate(sm_io_getinfo(mci->mci_statfile, SM_IO_WHAT_FD, NULL), + (off_t) 0); +#endif /* !NOFTRUNCATE */ + + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "V0\n"); + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "E%d\n", + mci->mci_errno); + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "H%d\n", + mci->mci_herrno); + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "S%d\n", + mci->mci_exitstat); + if (mci->mci_status != NULL) + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, + "D%.80s\n", + denlstring(mci->mci_status, true, false)); + if (mci->mci_rstatus != NULL) + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, + "R%.80s\n", + denlstring(mci->mci_rstatus, true, false)); + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "U%ld\n", + (long)(mci->mci_lastuse)); + (void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, ".\n"); + + (void) sm_io_flush(mci->mci_statfile, SM_TIME_DEFAULT); + + errno = save_errno; + return; +} +/* +** MCI_TRAVERSE_PERSISTENT -- walk persistent status tree +** +** Recursively find all the mci host files in `pathname'. Default to +** main host status directory if no path is provided. +** Call (*action)(pathname, host) for each file found. +** +** Note: all information is collected in a list before it is processed. +** This may not be the best way to do it, but it seems safest, since +** the file system would be touched while we are attempting to traverse +** the directory tree otherwise (during purges). +** +** Parameters: +** action -- function to call on each node. If returns < 0, +** return immediately. +** pathname -- root of tree. If null, use main host status +** directory. +** +** Returns: +** < 0 -- if any action routine returns a negative value, that +** value is returned. +** 0 -- if we successfully went to completion. +** > 0 -- return status from action() +*/ + +int +mci_traverse_persistent(action, pathname) + int (*action)__P((char *, char *)); + char *pathname; +{ + struct stat statbuf; + DIR *d; + int ret; + + if (pathname == NULL) + pathname = HostStatDir; + if (pathname == NULL) + return -1; + + if (tTd(56, 1)) + sm_dprintf("mci_traverse: pathname is %s\n", pathname); + + ret = stat(pathname, &statbuf); + if (ret < 0) + { + if (tTd(56, 2)) + sm_dprintf("mci_traverse: Failed to stat %s: %s\n", + pathname, sm_errstring(errno)); + return ret; + } + if (S_ISDIR(statbuf.st_mode)) + { + bool leftone, removedone; + size_t len; + char *newptr; + struct dirent *e; + char newpath[MAXPATHLEN]; + + if ((d = opendir(pathname)) == NULL) + { + if (tTd(56, 2)) + sm_dprintf("mci_traverse: opendir %s: %s\n", + pathname, sm_errstring(errno)); + return -1; + } + len = sizeof(newpath) - MAXNAMLEN - 3; + if (sm_strlcpy(newpath, pathname, len) >= len) + { + if (tTd(56, 2)) + sm_dprintf("mci_traverse: path \"%s\" too long", + pathname); + return -1; + } + newptr = newpath + strlen(newpath); + *newptr++ = '/'; + + /* + ** repeat until no file has been removed + ** this may become ugly when several files "expire" + ** during these loops, but it's better than doing + ** a rewinddir() inside the inner loop + */ + + do + { + leftone = removedone = false; + while ((e = readdir(d)) != NULL) + { + if (e->d_name[0] == '.') + continue; + + (void) sm_strlcpy(newptr, e->d_name, + sizeof newpath - + (newptr - newpath)); + + if (StopRequest) + stop_sendmail(); + ret = mci_traverse_persistent(action, newpath); + if (ret < 0) + break; + if (ret == 1) + leftone = true; + if (!removedone && ret == 0 && + action == mci_purge_persistent) + removedone = true; + } + if (ret < 0) + break; + + /* + ** The following appears to be + ** necessary during purges, since + ** we modify the directory structure + */ + + if (removedone) + rewinddir(d); + if (tTd(56, 40)) + sm_dprintf("mci_traverse: path %s: ret %d removed %d left %d\n", + pathname, ret, removedone, leftone); + } while (removedone); + + /* purge (or whatever) the directory proper */ + if (!leftone) + { + *--newptr = '\0'; + ret = (*action)(newpath, NULL); + } + (void) closedir(d); + } + else if (S_ISREG(statbuf.st_mode)) + { + char *end = pathname + strlen(pathname) - 1; + char *start; + char *scan; + char host[MAXHOSTNAMELEN]; + char *hostptr = host; + + /* + ** Reconstruct the host name from the path to the + ** persistent information. + */ + + do + { + if (hostptr != host) + *(hostptr++) = '.'; + start = end; + while (start > pathname && *(start - 1) != '/') + start--; + + if (*end == '.') + end--; + + for (scan = start; scan <= end; scan++) + *(hostptr++) = *scan; + + end = start - 2; + } while (end > pathname && *end == '.'); + + *hostptr = '\0'; + + /* + ** Do something with the file containing the persistent + ** information. + */ + + ret = (*action)(pathname, host); + } + + return ret; +} +/* +** MCI_PRINT_PERSISTENT -- print persistent info +** +** Dump the persistent information in the file 'pathname' +** +** Parameters: +** pathname -- the pathname to the status file. +** hostname -- the corresponding host name. +** +** Returns: +** 0 +*/ + +int +mci_print_persistent(pathname, hostname) + char *pathname; + char *hostname; +{ + static bool initflag = false; + SM_FILE_T *fp; + int width = Verbose ? 78 : 25; + bool locked; + MCI mcib; + + /* skip directories */ + if (hostname == NULL) + return 0; + + if (StopRequest) + stop_sendmail(); + + if (!initflag) + { + initflag = true; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " -------------- Hostname --------------- How long ago ---------Results---------\n"); + } + + fp = safefopen(pathname, O_RDONLY, FileMode, + SFF_NOLOCK|SFF_NOLINK|SFF_OPENASROOT|SFF_REGONLY|SFF_SAFEDIRPATH); + + if (fp == NULL) + { + if (tTd(56, 1)) + sm_dprintf("mci_print_persistent: cannot open %s: %s\n", + pathname, sm_errstring(errno)); + return 0; + } + + FileName = pathname; + memset(&mcib, '\0', sizeof mcib); + if (mci_read_persistent(fp, &mcib) < 0) + { + syserr("%s: could not read status file", pathname); + (void) sm_io_close(fp, SM_TIME_DEFAULT); + FileName = NULL; + return 0; + } + + locked = !lockfile(sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL), pathname, + "", LOCK_SH|LOCK_NB); + (void) sm_io_close(fp, SM_TIME_DEFAULT); + FileName = NULL; + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%c%-39s %12s ", + locked ? '*' : ' ', hostname, + pintvl(curtime() - mcib.mci_lastuse, true)); + if (mcib.mci_rstatus != NULL) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%.*s\n", width, + mcib.mci_rstatus); + else if (mcib.mci_exitstat == EX_TEMPFAIL && mcib.mci_errno != 0) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Deferred: %.*s\n", width - 10, + sm_errstring(mcib.mci_errno)); + else if (mcib.mci_exitstat != 0) + { + char *exmsg = sm_sysexmsg(mcib.mci_exitstat); + + if (exmsg == NULL) + { + char buf[80]; + + (void) sm_snprintf(buf, sizeof buf, + "Unknown mailer error %d", + mcib.mci_exitstat); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%.*s\n", + width, buf); + } + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%.*s\n", + width, &exmsg[5]); + } + else if (mcib.mci_errno == 0) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "OK\n"); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "OK: %.*s\n", + width - 4, sm_errstring(mcib.mci_errno)); + + return 0; +} +/* +** MCI_PURGE_PERSISTENT -- Remove a persistence status file. +** +** Parameters: +** pathname -- path to the status file. +** hostname -- name of host corresponding to that file. +** NULL if this is a directory (domain). +** +** Returns: +** 0 -- ok +** 1 -- file not deleted (too young, incorrect format) +** < 0 -- some error occurred +*/ + +int +mci_purge_persistent(pathname, hostname) + char *pathname; + char *hostname; +{ + struct stat statbuf; + char *end = pathname + strlen(pathname) - 1; + int ret; + + if (tTd(56, 1)) + sm_dprintf("mci_purge_persistent: purging %s\n", pathname); + + ret = stat(pathname, &statbuf); + if (ret < 0) + { + if (tTd(56, 2)) + sm_dprintf("mci_purge_persistent: Failed to stat %s: %s\n", + pathname, sm_errstring(errno)); + return ret; + } + if (curtime() - statbuf.st_mtime <= MciInfoTimeout) + return 1; + if (hostname != NULL) + { + /* remove the file */ + ret = unlink(pathname); + if (ret < 0) + { + if (LogLevel > 8) + sm_syslog(LOG_ERR, NOQID, + "mci_purge_persistent: failed to unlink %s: %s", + pathname, sm_errstring(errno)); + if (tTd(56, 2)) + sm_dprintf("mci_purge_persistent: failed to unlink %s: %s\n", + pathname, sm_errstring(errno)); + return ret; + } + } + else + { + /* remove the directory */ + if (*end != '.') + return 1; + + if (tTd(56, 1)) + sm_dprintf("mci_purge_persistent: dpurge %s\n", pathname); + + ret = rmdir(pathname); + if (ret < 0) + { + if (tTd(56, 2)) + sm_dprintf("mci_purge_persistent: rmdir %s: %s\n", + pathname, sm_errstring(errno)); + return ret; + } + } + + return 0; +} +/* +** MCI_GENERATE_PERSISTENT_PATH -- generate path from hostname +** +** Given `host', convert from a.b.c to $HostStatDir/c./b./a, +** putting the result into `path'. if `createflag' is set, intervening +** directories will be created as needed. +** +** Parameters: +** host -- host name to convert from. +** path -- place to store result. +** pathlen -- length of path buffer. +** createflag -- if set, create intervening directories as +** needed. +** +** Returns: +** 0 -- success +** -1 -- failure +*/ + +static int +mci_generate_persistent_path(host, path, pathlen, createflag) + const char *host; + char *path; + int pathlen; + bool createflag; +{ + char *elem, *p, *x, ch; + int ret = 0; + int len; + char t_host[MAXHOSTNAMELEN]; +#if NETINET6 + struct in6_addr in6_addr; +#endif /* NETINET6 */ + + /* + ** Rationality check the arguments. + */ + + if (host == NULL) + { + syserr("mci_generate_persistent_path: null host"); + return -1; + } + if (path == NULL) + { + syserr("mci_generate_persistent_path: null path"); + return -1; + } + + if (tTd(56, 80)) + sm_dprintf("mci_generate_persistent_path(%s): ", host); + + if (*host == '\0' || *host == '.') + return -1; + + /* make certain this is not a bracketed host number */ + if (strlen(host) > sizeof t_host - 1) + return -1; + if (host[0] == '[') + (void) sm_strlcpy(t_host, host + 1, sizeof t_host); + else + (void) sm_strlcpy(t_host, host, sizeof t_host); + + /* + ** Delete any trailing dots from the hostname. + ** Leave 'elem' pointing at the \0. + */ + + elem = t_host + strlen(t_host); + while (elem > t_host && + (elem[-1] == '.' || (host[0] == '[' && elem[-1] == ']'))) + *--elem = '\0'; + + /* check for bogus bracketed address */ + if (host[0] == '[') + { + bool good = false; +# if NETINET6 + if (anynet_pton(AF_INET6, t_host, &in6_addr) == 1) + good = true; +# endif /* NETINET6 */ +# if NETINET + if (inet_addr(t_host) != INADDR_NONE) + good = true; +# endif /* NETINET */ + if (!good) + return -1; + } + + /* check for what will be the final length of the path */ + len = strlen(HostStatDir) + 2; + for (p = (char *) t_host; *p != '\0'; p++) + { + if (*p == '.') + len++; + len++; + if (p[0] == '.' && p[1] == '.') + return -1; + } + if (len > pathlen || len < 1) + return -1; + (void) sm_strlcpy(path, HostStatDir, pathlen); + p = path + strlen(path); + while (elem > t_host) + { + if (!path_is_dir(path, createflag)) + { + ret = -1; + break; + } + elem--; + while (elem >= t_host && *elem != '.') + elem--; + *p++ = '/'; + x = elem + 1; + while ((ch = *x++) != '\0' && ch != '.') + { + if (isascii(ch) && isupper(ch)) + ch = tolower(ch); + if (ch == '/') + ch = ':'; /* / -> : */ + *p++ = ch; + } + if (elem >= t_host) + *p++ = '.'; + *p = '\0'; + } + if (tTd(56, 80)) + { + if (ret < 0) + sm_dprintf("FAILURE %d\n", ret); + else + sm_dprintf("SUCCESS %s\n", path); + } + return ret; +} diff --git a/contrib/sendmail-8.13.4/sendmail/milter.c b/contrib/sendmail-8.13.4/sendmail/milter.c new file mode 100644 index 0000000000..0fba8a194e --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/milter.c @@ -0,0 +1,4144 @@ +/* + * Copyright (c) 1999-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: milter.c,v 8.229 2005/03/02 02:32:34 ca Exp $") + +#if MILTER +# include +# include + +# include +# include +# include + +# if NETINET || NETINET6 +# include +# if _FFR_MILTER_NAGLE +# include +# endif /* _FFR_MILTER_NAGLE */ +# endif /* NETINET || NETINET6 */ + +# include + +static void milter_connect_timeout __P((int)); +static void milter_error __P((struct milter *, ENVELOPE *)); +static int milter_open __P((struct milter *, bool, ENVELOPE *)); +static void milter_parse_timeouts __P((char *, struct milter *)); + +static char *MilterConnectMacros[MAXFILTERMACROS + 1]; +static char *MilterHeloMacros[MAXFILTERMACROS + 1]; +static char *MilterEnvFromMacros[MAXFILTERMACROS + 1]; +static char *MilterEnvRcptMacros[MAXFILTERMACROS + 1]; +static char *MilterDataMacros[MAXFILTERMACROS + 1]; +static char *MilterEOMMacros[MAXFILTERMACROS + 1]; +static size_t MilterMaxDataSize = MILTER_MAX_DATA_SIZE; + +# define MILTER_CHECK_DONE_MSG() \ + if (*state == SMFIR_REPLYCODE || \ + *state == SMFIR_REJECT || \ + *state == SMFIR_DISCARD || \ + *state == SMFIR_TEMPFAIL) \ + { \ + /* Abort the filters to let them know we are done with msg */ \ + milter_abort(e); \ + } + +# define MILTER_CHECK_ERROR(initial, action) \ + if (!initial && tTd(71, 100)) \ + { \ + if (e->e_quarmsg == NULL) \ + { \ + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, \ + "filter failure"); \ + macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), \ + e->e_quarmsg); \ + } \ + } \ + else if (tTd(71, 101)) \ + { \ + if (e->e_quarmsg == NULL) \ + { \ + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, \ + "filter failure"); \ + macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), \ + e->e_quarmsg); \ + } \ + } \ + else if (bitnset(SMF_TEMPFAIL, m->mf_flags)) \ + *state = SMFIR_TEMPFAIL; \ + else if (bitnset(SMF_TEMPDROP, m->mf_flags)) \ + *state = SMFIR_SHUTDOWN; \ + else if (bitnset(SMF_REJECT, m->mf_flags)) \ + *state = SMFIR_REJECT; \ + else \ + action; + +# define MILTER_CHECK_REPLYCODE(default) \ + if (response == NULL || \ + strlen(response) + 1 != (size_t) rlen || \ + rlen < 3 || \ + (response[0] != '4' && response[0] != '5') || \ + !isascii(response[1]) || !isdigit(response[1]) || \ + !isascii(response[2]) || !isdigit(response[2])) \ + { \ + if (response != NULL) \ + sm_free(response); /* XXX */ \ + response = newstr(default); \ + } \ + else \ + { \ + char *ptr = response; \ + \ + /* Check for unprotected %'s in the string */ \ + while (*ptr != '\0') \ + { \ + if (*ptr == '%' && *++ptr != '%') \ + { \ + sm_free(response); /* XXX */ \ + response = newstr(default); \ + break; \ + } \ + ptr++; \ + } \ + } + +# define MILTER_DF_ERROR(msg) \ +{ \ + int save_errno = errno; \ + \ + if (tTd(64, 5)) \ + { \ + sm_dprintf(msg, dfname, sm_errstring(save_errno)); \ + sm_dprintf("\n"); \ + } \ + if (MilterLogLevel > 0) \ + sm_syslog(LOG_ERR, e->e_id, msg, dfname, sm_errstring(save_errno)); \ + if (SuperSafe == SAFE_REALLY) \ + { \ + if (e->e_dfp != NULL) \ + { \ + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); \ + e->e_dfp = NULL; \ + } \ + e->e_flags &= ~EF_HAS_DF; \ + } \ + errno = save_errno; \ +} + +/* +** MILTER_TIMEOUT -- make sure socket is ready in time +** +** Parameters: +** routine -- routine name for debug/logging +** secs -- number of seconds in timeout +** write -- waiting to read or write? +** started -- whether this is part of a previous sequence +** +** Assumes 'm' is a milter structure for the current socket. +*/ + +# define MILTER_TIMEOUT(routine, secs, write, started) \ +{ \ + int ret; \ + int save_errno; \ + fd_set fds; \ + struct timeval tv; \ + \ + if (SM_FD_SETSIZE > 0 && m->mf_sock >= SM_FD_SETSIZE) \ + { \ + if (tTd(64, 5)) \ + sm_dprintf("milter_%s(%s): socket %d is larger than FD_SETSIZE %d\n", \ + (routine), m->mf_name, m->mf_sock, \ + SM_FD_SETSIZE); \ + if (MilterLogLevel > 0) \ + sm_syslog(LOG_ERR, e->e_id, \ + "Milter (%s): socket(%s) %d is larger than FD_SETSIZE %d", \ + m->mf_name, (routine), m->mf_sock, \ + SM_FD_SETSIZE); \ + milter_error(m, e); \ + return NULL; \ + } \ + \ + do \ + { \ + FD_ZERO(&fds); \ + SM_FD_SET(m->mf_sock, &fds); \ + tv.tv_sec = (secs); \ + tv.tv_usec = 0; \ + ret = select(m->mf_sock + 1, \ + (write) ? NULL : &fds, \ + (write) ? &fds : NULL, \ + NULL, &tv); \ + } while (ret < 0 && errno == EINTR); \ + \ + switch (ret) \ + { \ + case 0: \ + if (tTd(64, 5)) \ + sm_dprintf("milter_%s(%s): timeout\n", (routine), \ + m->mf_name); \ + if (MilterLogLevel > 0) \ + sm_syslog(LOG_ERR, e->e_id, \ + "Milter (%s): %s %s %s %s", \ + m->mf_name, "timeout", \ + started ? "during" : "before", \ + "data", (routine)); \ + milter_error(m, e); \ + return NULL; \ + \ + case -1: \ + save_errno = errno; \ + if (tTd(64, 5)) \ + sm_dprintf("milter_%s(%s): select: %s\n", (routine), \ + m->mf_name, sm_errstring(save_errno)); \ + if (MilterLogLevel > 0) \ + { \ + sm_syslog(LOG_ERR, e->e_id, \ + "Milter (%s): select(%s): %s", \ + m->mf_name, (routine), \ + sm_errstring(save_errno)); \ + } \ + milter_error(m, e); \ + return NULL; \ + \ + default: \ + if (SM_FD_ISSET(m->mf_sock, &fds)) \ + break; \ + if (tTd(64, 5)) \ + sm_dprintf("milter_%s(%s): socket not ready\n", \ + (routine), m->mf_name); \ + if (MilterLogLevel > 0) \ + { \ + sm_syslog(LOG_ERR, e->e_id, \ + "Milter (%s): socket(%s) not ready", \ + m->mf_name, (routine)); \ + } \ + milter_error(m, e); \ + return NULL; \ + } \ +} + +/* +** Low level functions +*/ + +/* +** MILTER_READ -- read from a remote milter filter +** +** Parameters: +** m -- milter to read from. +** cmd -- return param for command read. +** rlen -- return length of response string. +** to -- timeout in seconds. +** e -- current envelope. +** +** Returns: +** response string (may be NULL) +*/ + +static char * +milter_sysread(m, buf, sz, to, e) + struct milter *m; + char *buf; + ssize_t sz; + time_t to; + ENVELOPE *e; +{ + time_t readstart = 0; + ssize_t len, curl; + bool started = false; + + curl = 0; + + if (to > 0) + readstart = curtime(); + + for (;;) + { + if (to > 0) + { + time_t now; + + now = curtime(); + if (now - readstart >= to) + { + if (tTd(64, 5)) + sm_dprintf("milter_read (%s): %s %s %s", + m->mf_name, "timeout", + started ? "during" : "before", + "data read"); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): %s %s %s", + m->mf_name, "timeout", + started ? "during" : "before", + "data read"); + milter_error(m, e); + return NULL; + } + to -= now - readstart; + readstart = now; + MILTER_TIMEOUT("read", to, false, started); + } + + len = read(m->mf_sock, buf + curl, sz - curl); + + if (len < 0) + { + int save_errno = errno; + + if (tTd(64, 5)) + sm_dprintf("milter_read(%s): read returned %ld: %s\n", + m->mf_name, (long) len, + sm_errstring(save_errno)); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): read returned %ld: %s", + m->mf_name, (long) len, + sm_errstring(save_errno)); + milter_error(m, e); + return NULL; + } + + started = true; + curl += len; + if (len == 0 || curl >= sz) + break; + + } + + if (curl != sz) + { + if (tTd(64, 5)) + sm_dprintf("milter_read(%s): cmd read returned %ld, expecting %ld\n", + m->mf_name, (long) curl, (long) sz); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_read(%s): cmd read returned %ld, expecting %ld", + m->mf_name, (long) curl, (long) sz); + milter_error(m, e); + return NULL; + } + return buf; +} + +static char * +milter_read(m, cmd, rlen, to, e) + struct milter *m; + char *cmd; + ssize_t *rlen; + time_t to; + ENVELOPE *e; +{ + time_t readstart = 0; + ssize_t expl; + mi_int32 i; +# if _FFR_MILTER_NAGLE +# ifdef TCP_CORK + int cork = 0; +# endif +# endif /* _FFR_MILTER_NAGLE */ + char *buf; + char data[MILTER_LEN_BYTES + 1]; + + if (m->mf_sock < 0) + { + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_read(%s): socket closed", + m->mf_name); + milter_error(m, e); + return NULL; + } + + *rlen = 0; + *cmd = '\0'; + + if (to > 0) + readstart = curtime(); + +# if _FFR_MILTER_NAGLE +# ifdef TCP_CORK + setsockopt(m->mf_sock, IPPROTO_TCP, TCP_CORK, (char *)&cork, + sizeof(cork)); +# endif +# endif /* _FFR_MILTER_NAGLE */ + + if (milter_sysread(m, data, sizeof data, to, e) == NULL) + return NULL; + +# if _FFR_MILTER_NAGLE +# ifdef TCP_CORK + cork = 1; + setsockopt(m->mf_sock, IPPROTO_TCP, TCP_CORK, (char *)&cork, + sizeof(cork)); +# endif +# endif /* _FFR_MILTER_NAGLE */ + + /* reset timeout */ + if (to > 0) + { + time_t now; + + now = curtime(); + if (now - readstart >= to) + { + if (tTd(64, 5)) + sm_dprintf("milter_read(%s): timeout before data read\n", + m->mf_name); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter read(%s): timeout before data read", + m->mf_name); + milter_error(m, e); + return NULL; + } + to -= now - readstart; + } + + *cmd = data[MILTER_LEN_BYTES]; + data[MILTER_LEN_BYTES] = '\0'; + (void) memcpy(&i, data, MILTER_LEN_BYTES); + expl = ntohl(i) - 1; + + if (tTd(64, 25)) + sm_dprintf("milter_read(%s): expecting %ld bytes\n", + m->mf_name, (long) expl); + + if (expl < 0) + { + if (tTd(64, 5)) + sm_dprintf("milter_read(%s): read size %ld out of range\n", + m->mf_name, (long) expl); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_read(%s): read size %ld out of range", + m->mf_name, (long) expl); + milter_error(m, e); + return NULL; + } + + if (expl == 0) + return NULL; + + buf = (char *) xalloc(expl); + + if (milter_sysread(m, buf, expl, to, e) == NULL) + { + sm_free(buf); /* XXX */ + return NULL; + } + + if (tTd(64, 50)) + sm_dprintf("milter_read(%s): Returning %*s\n", + m->mf_name, (int) expl, buf); + *rlen = expl; + return buf; +} + +/* +** MILTER_WRITE -- write to a remote milter filter +** +** Parameters: +** m -- milter to read from. +** cmd -- command to send. +** buf -- optional command data. +** len -- length of buf. +** to -- timeout in seconds. +** e -- current envelope. +** +** Returns: +** buf if successful, NULL otherwise +** Not actually used anywhere but function prototype +** must match milter_read() +*/ + +static char * +milter_write(m, cmd, buf, len, to, e) + struct milter *m; + char cmd; + char *buf; + ssize_t len; + time_t to; + ENVELOPE *e; +{ + time_t writestart = (time_t) 0; + ssize_t sl, i; + int num_vectors; + mi_int32 nl; + char data[MILTER_LEN_BYTES + 1]; + bool started = false; + struct iovec vector[2]; + + /* + ** At most two buffers will be written, though + ** only one may actually be used (see num_vectors). + ** The first is the size/command and the second is the command data. + */ + + if (len < 0 || len > MilterMaxDataSize) + { + if (tTd(64, 5)) + sm_dprintf("milter_write(%s): length %ld out of range\n", + m->mf_name, (long) len); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_write(%s): length %ld out of range", + m->mf_name, (long) len); + milter_error(m, e); + return NULL; + } + if (m->mf_sock < 0) + { + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_write(%s): socket closed", + m->mf_name); + milter_error(m, e); + return NULL; + } + + if (tTd(64, 20)) + sm_dprintf("milter_write(%s): cmd %c, len %ld\n", + m->mf_name, cmd, (long) len); + + nl = htonl(len + 1); /* add 1 for the cmd char */ + (void) memcpy(data, (char *) &nl, MILTER_LEN_BYTES); + data[MILTER_LEN_BYTES] = cmd; + sl = MILTER_LEN_BYTES + 1; + + /* set up the vector for the size / command */ + vector[0].iov_base = (void *) data; + vector[0].iov_len = sl; + + /* + ** Determine if there is command data. If so, there will be two + ** vectors. If not, there will be only one. The vectors are set + ** up here and 'num_vectors' and 'sl' are set appropriately. + */ + + /* NOTE: len<0 has already been checked for. Pedantic */ + if (len <= 0 || buf == NULL) + { + /* There is no command data -- only a size / command data */ + num_vectors = 1; + } + else + { + /* + ** There is both size / command and command data. + ** Set up the vector for the command data. + */ + + num_vectors = 2; + sl += len; + vector[1].iov_base = (void *) buf; + vector[1].iov_len = len; + + if (tTd(64, 50)) + sm_dprintf("milter_write(%s): Sending %*s\n", + m->mf_name, (int) len, buf); + } + + if (to > 0) + { + writestart = curtime(); + MILTER_TIMEOUT("write", to, true, started); + } + + /* write the vector(s) */ + i = writev(m->mf_sock, vector, num_vectors); + if (i != sl) + { + int save_errno = errno; + + if (tTd(64, 5)) + sm_dprintf("milter_write(%s): write(%c) returned %ld, expected %ld: %s\n", + m->mf_name, cmd, (long) i, (long) sl, + sm_errstring(save_errno)); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): write(%c) returned %ld, expected %ld: %s", + m->mf_name, cmd, (long) i, (long) sl, + sm_errstring(save_errno)); + milter_error(m, e); + return NULL; + } + return buf; +} + +/* +** Utility functions +*/ + +/* +** MILTER_OPEN -- connect to remote milter filter +** +** Parameters: +** m -- milter to connect to. +** parseonly -- parse but don't connect. +** e -- current envelope. +** +** Returns: +** connected socket if successful && !parseonly, +** 0 upon parse success if parseonly, +** -1 otherwise. +*/ + +static jmp_buf MilterConnectTimeout; + +static int +milter_open(m, parseonly, e) + struct milter *m; + bool parseonly; + ENVELOPE *e; +{ + int sock = 0; + SOCKADDR_LEN_T addrlen = 0; + int addrno = 0; + int save_errno; + char *p; + char *colon; + char *at; + struct hostent *hp = NULL; + SOCKADDR addr; + + if (m->mf_conn == NULL || m->mf_conn[0] == '\0') + { + if (tTd(64, 5)) + sm_dprintf("X%s: empty or missing socket information\n", + m->mf_name); + if (parseonly) + syserr("X%s: empty or missing socket information", + m->mf_name); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): empty or missing socket information", + m->mf_name); + milter_error(m, e); + return -1; + } + + /* protocol:filename or protocol:port@host */ + memset(&addr, '\0', sizeof addr); + p = m->mf_conn; + colon = strchr(p, ':'); + if (colon != NULL) + { + *colon = '\0'; + + if (*p == '\0') + { +# if NETUNIX + /* default to AF_UNIX */ + addr.sa.sa_family = AF_UNIX; +# else /* NETUNIX */ +# if NETINET + /* default to AF_INET */ + addr.sa.sa_family = AF_INET; +# else /* NETINET */ +# if NETINET6 + /* default to AF_INET6 */ + addr.sa.sa_family = AF_INET6; +# else /* NETINET6 */ + /* no protocols available */ + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): no valid socket protocols available", + m->mf_name); + milter_error(m, e); + return -1; +# endif /* NETINET6 */ +# endif /* NETINET */ +# endif /* NETUNIX */ + } +# if NETUNIX + else if (sm_strcasecmp(p, "unix") == 0 || + sm_strcasecmp(p, "local") == 0) + addr.sa.sa_family = AF_UNIX; +# endif /* NETUNIX */ +# if NETINET + else if (sm_strcasecmp(p, "inet") == 0) + addr.sa.sa_family = AF_INET; +# endif /* NETINET */ +# if NETINET6 + else if (sm_strcasecmp(p, "inet6") == 0) + addr.sa.sa_family = AF_INET6; +# endif /* NETINET6 */ + else + { +# ifdef EPROTONOSUPPORT + errno = EPROTONOSUPPORT; +# else /* EPROTONOSUPPORT */ + errno = EINVAL; +# endif /* EPROTONOSUPPORT */ + if (tTd(64, 5)) + sm_dprintf("X%s: unknown socket type %s\n", + m->mf_name, p); + if (parseonly) + syserr("X%s: unknown socket type %s", + m->mf_name, p); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): unknown socket type %s", + m->mf_name, p); + milter_error(m, e); + return -1; + } + *colon++ = ':'; + } + else + { + /* default to AF_UNIX */ + addr.sa.sa_family = AF_UNIX; + colon = p; + } + +# if NETUNIX + if (addr.sa.sa_family == AF_UNIX) + { + long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_EXECOK; + + at = colon; + if (strlen(colon) >= sizeof addr.sunix.sun_path) + { + if (tTd(64, 5)) + sm_dprintf("X%s: local socket name %s too long\n", + m->mf_name, colon); + errno = EINVAL; + if (parseonly) + syserr("X%s: local socket name %s too long", + m->mf_name, colon); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): local socket name %s too long", + m->mf_name, colon); + milter_error(m, e); + return -1; + } + errno = safefile(colon, RunAsUid, RunAsGid, RunAsUserName, sff, + S_IRUSR|S_IWUSR, NULL); + + /* if just parsing .cf file, socket doesn't need to exist */ + if (parseonly && errno == ENOENT) + { + if (OpMode == MD_DAEMON || + OpMode == MD_FGDAEMON) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "WARNING: X%s: local socket name %s missing\n", + m->mf_name, colon); + } + else if (errno != 0) + { + /* if not safe, don't create */ + save_errno = errno; + if (tTd(64, 5)) + sm_dprintf("X%s: local socket name %s unsafe\n", + m->mf_name, colon); + errno = save_errno; + if (parseonly) + { + if (OpMode == MD_DAEMON || + OpMode == MD_FGDAEMON || + OpMode == MD_SMTP) + syserr("X%s: local socket name %s unsafe", + m->mf_name, colon); + } + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): local socket name %s unsafe", + m->mf_name, colon); + milter_error(m, e); + return -1; + } + + (void) sm_strlcpy(addr.sunix.sun_path, colon, + sizeof addr.sunix.sun_path); + addrlen = sizeof (struct sockaddr_un); + } + else +# endif /* NETUNIX */ +# if NETINET || NETINET6 + if (false +# if NETINET + || addr.sa.sa_family == AF_INET +# endif /* NETINET */ +# if NETINET6 + || addr.sa.sa_family == AF_INET6 +# endif /* NETINET6 */ + ) + { + unsigned short port; + + /* Parse port@host */ + at = strchr(colon, '@'); + if (at == NULL) + { + if (tTd(64, 5)) + sm_dprintf("X%s: bad address %s (expected port@host)\n", + m->mf_name, colon); + if (parseonly) + syserr("X%s: bad address %s (expected port@host)", + m->mf_name, colon); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): bad address %s (expected port@host)", + m->mf_name, colon); + milter_error(m, e); + return -1; + } + *at = '\0'; + if (isascii(*colon) && isdigit(*colon)) + port = htons((unsigned short) atoi(colon)); + else + { +# ifdef NO_GETSERVBYNAME + if (tTd(64, 5)) + sm_dprintf("X%s: invalid port number %s\n", + m->mf_name, colon); + if (parseonly) + syserr("X%s: invalid port number %s", + m->mf_name, colon); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): invalid port number %s", + m->mf_name, colon); + milter_error(m, e); + return -1; +# else /* NO_GETSERVBYNAME */ + register struct servent *sp; + + sp = getservbyname(colon, "tcp"); + if (sp == NULL) + { + save_errno = errno; + if (tTd(64, 5)) + sm_dprintf("X%s: unknown port name %s\n", + m->mf_name, colon); + errno = save_errno; + if (parseonly) + syserr("X%s: unknown port name %s", + m->mf_name, colon); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): unknown port name %s", + m->mf_name, colon); + milter_error(m, e); + return -1; + } + port = sp->s_port; +# endif /* NO_GETSERVBYNAME */ + } + *at++ = '@'; + if (*at == '[') + { + char *end; + + end = strchr(at, ']'); + if (end != NULL) + { + bool found = false; +# if NETINET + unsigned long hid = INADDR_NONE; +# endif /* NETINET */ +# if NETINET6 + struct sockaddr_in6 hid6; +# endif /* NETINET6 */ + + *end = '\0'; +# if NETINET + if (addr.sa.sa_family == AF_INET && + (hid = inet_addr(&at[1])) != INADDR_NONE) + { + addr.sin.sin_addr.s_addr = hid; + addr.sin.sin_port = port; + found = true; + } +# endif /* NETINET */ +# if NETINET6 + (void) memset(&hid6, '\0', sizeof hid6); + if (addr.sa.sa_family == AF_INET6 && + anynet_pton(AF_INET6, &at[1], + &hid6.sin6_addr) == 1) + { + addr.sin6.sin6_addr = hid6.sin6_addr; + addr.sin6.sin6_port = port; + found = true; + } +# endif /* NETINET6 */ + *end = ']'; + if (!found) + { + if (tTd(64, 5)) + sm_dprintf("X%s: Invalid numeric domain spec \"%s\"\n", + m->mf_name, at); + if (parseonly) + syserr("X%s: Invalid numeric domain spec \"%s\"", + m->mf_name, at); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): Invalid numeric domain spec \"%s\"", + m->mf_name, at); + milter_error(m, e); + return -1; + } + } + else + { + if (tTd(64, 5)) + sm_dprintf("X%s: Invalid numeric domain spec \"%s\"\n", + m->mf_name, at); + if (parseonly) + syserr("X%s: Invalid numeric domain spec \"%s\"", + m->mf_name, at); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): Invalid numeric domain spec \"%s\"", + m->mf_name, at); + milter_error(m, e); + return -1; + } + } + else + { + hp = sm_gethostbyname(at, addr.sa.sa_family); + if (hp == NULL) + { + save_errno = errno; + if (tTd(64, 5)) + sm_dprintf("X%s: Unknown host name %s\n", + m->mf_name, at); + errno = save_errno; + if (parseonly) + syserr("X%s: Unknown host name %s", + m->mf_name, at); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): Unknown host name %s", + m->mf_name, at); + milter_error(m, e); + return -1; + } + addr.sa.sa_family = hp->h_addrtype; + switch (hp->h_addrtype) + { +# if NETINET + case AF_INET: + memmove(&addr.sin.sin_addr, + hp->h_addr, INADDRSZ); + addr.sin.sin_port = port; + addrlen = sizeof (struct sockaddr_in); + addrno = 1; + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + hp->h_addr, IN6ADDRSZ); + addr.sin6.sin6_port = port; + addrlen = sizeof (struct sockaddr_in6); + addrno = 1; + break; +# endif /* NETINET6 */ + + default: + if (tTd(64, 5)) + sm_dprintf("X%s: Unknown protocol for %s (%d)\n", + m->mf_name, at, + hp->h_addrtype); + if (parseonly) + syserr("X%s: Unknown protocol for %s (%d)", + m->mf_name, at, hp->h_addrtype); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): Unknown protocol for %s (%d)", + m->mf_name, at, + hp->h_addrtype); + milter_error(m, e); +# if NETINET6 + freehostent(hp); +# endif /* NETINET6 */ + return -1; + } + } + } + else +# endif /* NETINET || NETINET6 */ + { + if (tTd(64, 5)) + sm_dprintf("X%s: unknown socket protocol\n", + m->mf_name); + if (parseonly) + syserr("X%s: unknown socket protocol", m->mf_name); + else if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): unknown socket protocol", + m->mf_name); + milter_error(m, e); + return -1; + } + + /* just parsing through? */ + if (parseonly) + { + m->mf_state = SMFS_READY; +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return 0; + } + + /* sanity check */ + if (m->mf_state != SMFS_READY && + m->mf_state != SMFS_CLOSED) + { + /* shouldn't happen */ + if (tTd(64, 1)) + sm_dprintf("Milter (%s): Trying to open filter in state %c\n", + m->mf_name, (char) m->mf_state); + milter_error(m, e); +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return -1; + } + + /* nope, actually connecting */ + for (;;) + { + sock = socket(addr.sa.sa_family, SOCK_STREAM, 0); + if (sock < 0) + { + save_errno = errno; + if (tTd(64, 5)) + sm_dprintf("Milter (%s): error creating socket: %s\n", + m->mf_name, + sm_errstring(save_errno)); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): error creating socket: %s", + m->mf_name, sm_errstring(save_errno)); + milter_error(m, e); +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return -1; + } + + if (setjmp(MilterConnectTimeout) == 0) + { + SM_EVENT *ev = NULL; + int i; + + if (m->mf_timeout[SMFTO_CONNECT] > 0) + ev = sm_setevent(m->mf_timeout[SMFTO_CONNECT], + milter_connect_timeout, 0); + + i = connect(sock, (struct sockaddr *) &addr, addrlen); + save_errno = errno; + if (ev != NULL) + sm_clrevent(ev); + errno = save_errno; + if (i >= 0) + break; + } + + /* couldn't connect.... try next address */ + save_errno = errno; + p = CurHostName; + CurHostName = at; + if (tTd(64, 5)) + sm_dprintf("milter_open (%s): open %s failed: %s\n", + m->mf_name, at, sm_errstring(save_errno)); + if (MilterLogLevel > 13) + sm_syslog(LOG_INFO, e->e_id, + "Milter (%s): open %s failed: %s", + m->mf_name, at, sm_errstring(save_errno)); + CurHostName = p; + (void) close(sock); + + /* try next address */ + if (hp != NULL && hp->h_addr_list[addrno] != NULL) + { + switch (addr.sa.sa_family) + { +# if NETINET + case AF_INET: + memmove(&addr.sin.sin_addr, + hp->h_addr_list[addrno++], + INADDRSZ); + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + memmove(&addr.sin6.sin6_addr, + hp->h_addr_list[addrno++], + IN6ADDRSZ); + break; +# endif /* NETINET6 */ + + default: + if (tTd(64, 5)) + sm_dprintf("X%s: Unknown protocol for %s (%d)\n", + m->mf_name, at, + hp->h_addrtype); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): Unknown protocol for %s (%d)", + m->mf_name, at, + hp->h_addrtype); + milter_error(m, e); +# if NETINET6 + freehostent(hp); +# endif /* NETINET6 */ + return -1; + } + continue; + } + p = CurHostName; + CurHostName = at; + if (tTd(64, 5)) + sm_dprintf("X%s: error connecting to filter: %s\n", + m->mf_name, sm_errstring(save_errno)); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): error connecting to filter: %s", + m->mf_name, sm_errstring(save_errno)); + CurHostName = p; + milter_error(m, e); +# if NETINET6 + if (hp != NULL) + freehostent(hp); +# endif /* NETINET6 */ + return -1; + } + m->mf_state = SMFS_OPEN; +# if NETINET6 + if (hp != NULL) + { + freehostent(hp); + hp = NULL; + } +# endif /* NETINET6 */ +# if _FFR_MILTER_NAGLE +# ifndef TCP_CORK + { + int nodelay = 1; + + setsockopt(m->mf_sock, IPPROTO_TCP, TCP_NODELAY, + (char *)&nodelay, sizeof(nodelay)); + } +# endif /* TCP_CORK */ +# endif /* _FFR_MILTER_NAGLE */ + return sock; +} + +static void +milter_connect_timeout(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(MilterConnectTimeout, 1); +} +/* +** MILTER_SETUP -- setup structure for a mail filter +** +** Parameters: +** line -- the options line. +** +** Returns: +** none +*/ + +void +milter_setup(line) + char *line; +{ + char fcode; + register char *p; + register struct milter *m; + STAB *s; + + /* collect the filter name */ + for (p = line; + *p != '\0' && *p != ',' && !(isascii(*p) && isspace(*p)); + p++) + continue; + if (*p != '\0') + *p++ = '\0'; + if (line[0] == '\0') + { + syserr("name required for mail filter"); + return; + } + m = (struct milter *) xalloc(sizeof *m); + memset((char *) m, '\0', sizeof *m); + m->mf_name = newstr(line); + m->mf_state = SMFS_READY; + m->mf_sock = -1; + m->mf_timeout[SMFTO_CONNECT] = (time_t) 300; + m->mf_timeout[SMFTO_WRITE] = (time_t) 10; + m->mf_timeout[SMFTO_READ] = (time_t) 10; + m->mf_timeout[SMFTO_EOM] = (time_t) 300; + + /* now scan through and assign info from the fields */ + while (*p != '\0') + { + char *delimptr; + + while (*p != '\0' && + (*p == ',' || (isascii(*p) && isspace(*p)))) + p++; + + /* p now points to field code */ + fcode = *p; + while (*p != '\0' && *p != '=' && *p != ',') + p++; + if (*p++ != '=') + { + syserr("X%s: `=' expected", m->mf_name); + return; + } + while (isascii(*p) && isspace(*p)) + p++; + + /* p now points to the field body */ + p = munchstring(p, &delimptr, ','); + + /* install the field into the filter struct */ + switch (fcode) + { + case 'S': /* socket */ + if (p == NULL) + m->mf_conn = NULL; + else + m->mf_conn = newstr(p); + break; + + case 'F': /* Milter flags configured on MTA */ + for (; *p != '\0'; p++) + { + if (!(isascii(*p) && isspace(*p))) + setbitn(bitidx(*p), m->mf_flags); + } + break; + + case 'T': /* timeouts */ + milter_parse_timeouts(p, m); + break; + + default: + syserr("X%s: unknown filter equate %c=", + m->mf_name, fcode); + break; + } + p = delimptr; + } + + /* early check for errors */ + (void) milter_open(m, true, CurEnv); + + /* enter the filter into the symbol table */ + s = stab(m->mf_name, ST_MILTER, ST_ENTER); + if (s->s_milter != NULL) + syserr("X%s: duplicate filter definition", m->mf_name); + else + s->s_milter = m; +} +/* +** MILTER_CONFIG -- parse option list into an array and check config +** +** Called when reading configuration file. +** +** Parameters: +** spec -- the filter list. +** list -- the array to fill in. +** max -- the maximum number of entries in list. +** +** Returns: +** none +*/ + +void +milter_config(spec, list, max) + char *spec; + struct milter **list; + int max; +{ + int numitems = 0; + register char *p; + + /* leave one for the NULL signifying the end of the list */ + max--; + + for (p = spec; p != NULL; ) + { + STAB *s; + + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + break; + spec = p; + + if (numitems >= max) + { + syserr("Too many filters defined, %d max", max); + if (max > 0) + list[0] = NULL; + return; + } + p = strpbrk(p, ";,"); + if (p != NULL) + *p++ = '\0'; + + s = stab(spec, ST_MILTER, ST_FIND); + if (s == NULL) + { + syserr("InputFilter %s not defined", spec); + ExitStat = EX_CONFIG; + return; + } + list[numitems++] = s->s_milter; + } + list[numitems] = NULL; + + /* if not set, set to LogLevel */ + if (MilterLogLevel == -1) + MilterLogLevel = LogLevel; +} +/* +** MILTER_PARSE_TIMEOUTS -- parse timeout list +** +** Called when reading configuration file. +** +** Parameters: +** spec -- the timeout list. +** m -- milter to set. +** +** Returns: +** none +*/ + +static void +milter_parse_timeouts(spec, m) + char *spec; + struct milter *m; +{ + char fcode; + int tcode; + register char *p; + + p = spec; + + /* now scan through and assign info from the fields */ + while (*p != '\0') + { + char *delimptr; + + while (*p != '\0' && + (*p == ';' || (isascii(*p) && isspace(*p)))) + p++; + + /* p now points to field code */ + fcode = *p; + while (*p != '\0' && *p != ':') + p++; + if (*p++ != ':') + { + syserr("X%s, T=: `:' expected", m->mf_name); + return; + } + while (isascii(*p) && isspace(*p)) + p++; + + /* p now points to the field body */ + p = munchstring(p, &delimptr, ';'); + tcode = -1; + + /* install the field into the filter struct */ + switch (fcode) + { + case 'C': + tcode = SMFTO_CONNECT; + break; + + case 'S': + tcode = SMFTO_WRITE; + break; + + case 'R': + tcode = SMFTO_READ; + break; + + case 'E': + tcode = SMFTO_EOM; + break; + + default: + if (tTd(64, 5)) + sm_dprintf("X%s: %c unknown\n", + m->mf_name, fcode); + syserr("X%s: unknown filter timeout %c", + m->mf_name, fcode); + break; + } + if (tcode >= 0) + { + m->mf_timeout[tcode] = convtime(p, 's'); + if (tTd(64, 5)) + sm_dprintf("X%s: %c=%ld\n", + m->mf_name, fcode, + (u_long) m->mf_timeout[tcode]); + } + p = delimptr; + } +} +/* +** MILTER_SET_OPTION -- set an individual milter option +** +** Parameters: +** name -- the name of the option. +** val -- the value of the option. +** sticky -- if set, don't let other setoptions override +** this value. +** +** Returns: +** none. +*/ + +/* set if Milter sub-option is stuck */ +static BITMAP256 StickyMilterOpt; + +static struct milteropt +{ + char *mo_name; /* long name of milter option */ + unsigned char mo_code; /* code for option */ +} MilterOptTab[] = +{ +# define MO_MACROS_CONNECT 0x01 + { "macros.connect", MO_MACROS_CONNECT }, +# define MO_MACROS_HELO 0x02 + { "macros.helo", MO_MACROS_HELO }, +# define MO_MACROS_ENVFROM 0x03 + { "macros.envfrom", MO_MACROS_ENVFROM }, +# define MO_MACROS_ENVRCPT 0x04 + { "macros.envrcpt", MO_MACROS_ENVRCPT }, +# define MO_MACROS_DATA 0x05 + { "macros.data", MO_MACROS_DATA }, +# define MO_MACROS_EOM 0x06 + { "macros.eom", MO_MACROS_EOM }, +# define MO_LOGLEVEL 0x07 + { "loglevel", MO_LOGLEVEL }, +# if _FFR_MAXDATASIZE +# define MO_MAXDATASIZE 0x08 + { "maxdatasize", MO_MAXDATASIZE }, +# endif /* _FFR_MAXDATASIZE */ + { NULL, 0 }, +}; + +void +milter_set_option(name, val, sticky) + char *name; + char *val; + bool sticky; +{ + int nummac = 0; + register struct milteropt *mo; + char *p; + char **macros = NULL; + + if (tTd(37, 2) || tTd(64, 5)) + sm_dprintf("milter_set_option(%s = %s)", name, val); + + if (name == NULL) + { + syserr("milter_set_option: invalid Milter option, must specify suboption"); + return; + } + + for (mo = MilterOptTab; mo->mo_name != NULL; mo++) + { + if (sm_strcasecmp(mo->mo_name, name) == 0) + break; + } + + if (mo->mo_name == NULL) + { + syserr("milter_set_option: invalid Milter option %s", name); + return; + } + + /* + ** See if this option is preset for us. + */ + + if (!sticky && bitnset(mo->mo_code, StickyMilterOpt)) + { + if (tTd(37, 2) || tTd(64,5)) + sm_dprintf(" (ignored)\n"); + return; + } + + if (tTd(37, 2) || tTd(64,5)) + sm_dprintf("\n"); + + switch (mo->mo_code) + { + case MO_LOGLEVEL: + MilterLogLevel = atoi(val); + break; + +#if _FFR_MAXDATASIZE + case MO_MAXDATASIZE: + MilterMaxDataSize = (size_t)atol(val); + break; +#endif /* _FFR_MAXDATASIZE */ + + case MO_MACROS_CONNECT: + if (macros == NULL) + macros = MilterConnectMacros; + /* FALLTHROUGH */ + + case MO_MACROS_HELO: + if (macros == NULL) + macros = MilterHeloMacros; + /* FALLTHROUGH */ + + case MO_MACROS_ENVFROM: + if (macros == NULL) + macros = MilterEnvFromMacros; + /* FALLTHROUGH */ + + case MO_MACROS_ENVRCPT: + if (macros == NULL) + macros = MilterEnvRcptMacros; + /* FALLTHROUGH */ + + case MO_MACROS_EOM: + if (macros == NULL) + macros = MilterEOMMacros; + /* FALLTHROUGH */ + + case MO_MACROS_DATA: + if (macros == NULL) + macros = MilterDataMacros; + + p = newstr(val); + while (*p != '\0') + { + char *macro; + + /* Skip leading commas, spaces */ + while (*p != '\0' && + (*p == ',' || (isascii(*p) && isspace(*p)))) + p++; + + if (*p == '\0') + break; + + /* Find end of macro */ + macro = p; + while (*p != '\0' && *p != ',' && + isascii(*p) && !isspace(*p)) + p++; + if (*p != '\0') + *p++ = '\0'; + + if (nummac >= MAXFILTERMACROS) + { + syserr("milter_set_option: too many macros in Milter.%s (max %d)", + name, MAXFILTERMACROS); + macros[nummac] = NULL; + break; + } + macros[nummac++] = macro; + } + macros[nummac] = NULL; + break; + + default: + syserr("milter_set_option: invalid Milter option %s", name); + break; + } + if (sticky) + setbitn(mo->mo_code, StickyMilterOpt); +} +/* +** MILTER_REOPEN_DF -- open & truncate the data file (for replbody) +** +** Parameters: +** e -- current envelope. +** +** Returns: +** 0 if succesful, -1 otherwise +*/ + +static int +milter_reopen_df(e) + ENVELOPE *e; +{ + char dfname[MAXPATHLEN]; + + (void) sm_strlcpy(dfname, queuename(e, DATAFL_LETTER), sizeof dfname); + + /* + ** In SuperSafe == SAFE_REALLY mode, e->e_dfp is a read-only FP so + ** close and reopen writable (later close and reopen + ** read only again). + ** + ** In SuperSafe != SAFE_REALLY mode, e->e_dfp still points at the + ** buffered file I/O descriptor, still open for writing so there + ** isn't any work to do here (except checking for consistency). + */ + + if (SuperSafe == SAFE_REALLY) + { + /* close read-only data file */ + if (bitset(EF_HAS_DF, e->e_flags) && e->e_dfp != NULL) + { + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); + e->e_flags &= ~EF_HAS_DF; + } + + /* open writable */ + if ((e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, dfname, + SM_IO_RDWR_B, NULL)) == NULL) + { + MILTER_DF_ERROR("milter_reopen_df: sm_io_open %s: %s"); + return -1; + } + } + else if (e->e_dfp == NULL) + { + /* shouldn't happen */ + errno = ENOENT; + MILTER_DF_ERROR("milter_reopen_df: NULL e_dfp (%s: %s)"); + return -1; + } + return 0; +} +/* +** MILTER_RESET_DF -- re-open read-only the data file (for replbody) +** +** Parameters: +** e -- current envelope. +** +** Returns: +** 0 if succesful, -1 otherwise +*/ + +static int +milter_reset_df(e) + ENVELOPE *e; +{ + int afd; + char dfname[MAXPATHLEN]; + + (void) sm_strlcpy(dfname, queuename(e, DATAFL_LETTER), sizeof dfname); + + if (sm_io_flush(e->e_dfp, SM_TIME_DEFAULT) != 0 || + sm_io_error(e->e_dfp)) + { + MILTER_DF_ERROR("milter_reset_df: error writing/flushing %s: %s"); + return -1; + } + else if (SuperSafe != SAFE_REALLY) + { + /* skip next few clauses */ + /* EMPTY */ + } + else if ((afd = sm_io_getinfo(e->e_dfp, SM_IO_WHAT_FD, NULL)) >= 0 + && fsync(afd) < 0) + { + MILTER_DF_ERROR("milter_reset_df: error sync'ing %s: %s"); + return -1; + } + else if (sm_io_close(e->e_dfp, SM_TIME_DEFAULT) < 0) + { + MILTER_DF_ERROR("milter_reset_df: error closing %s: %s"); + return -1; + } + else if ((e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, dfname, + SM_IO_RDONLY_B, NULL)) == NULL) + { + MILTER_DF_ERROR("milter_reset_df: error reopening %s: %s"); + return -1; + } + else + e->e_flags |= EF_HAS_DF; + return 0; +} +/* +** MILTER_CAN_DELRCPTS -- can any milter filters delete recipients? +** +** Parameters: +** none +** +** Returns: +** true if any filter deletes recipients, false otherwise +*/ + +bool +milter_can_delrcpts() +{ + bool can = false; + int i; + + if (tTd(64, 10)) + sm_dprintf("milter_can_delrcpts:"); + + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + if (bitset(SMFIF_DELRCPT, m->mf_fflags)) + { + can = true; + break; + } + } + if (tTd(64, 10)) + sm_dprintf("%s\n", can ? "true" : "false"); + + return can; +} +/* +** MILTER_QUIT_FILTER -- close down a single filter +** +** Parameters: +** m -- milter structure of filter to close down. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_quit_filter(m, e) + struct milter *m; + ENVELOPE *e; +{ + if (tTd(64, 10)) + sm_dprintf("milter_quit_filter(%s)\n", m->mf_name); + if (MilterLogLevel > 18) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): quit filter", + m->mf_name); + + /* Never replace error state */ + if (m->mf_state == SMFS_ERROR) + return; + + if (m->mf_sock < 0 || + m->mf_state == SMFS_CLOSED || + m->mf_state == SMFS_READY) + { + m->mf_sock = -1; + m->mf_state = SMFS_CLOSED; + return; + } + + (void) milter_write(m, SMFIC_QUIT, (char *) NULL, 0, + m->mf_timeout[SMFTO_WRITE], e); + if (m->mf_sock >= 0) + { + (void) close(m->mf_sock); + m->mf_sock = -1; + } + if (m->mf_state != SMFS_ERROR) + m->mf_state = SMFS_CLOSED; +} +/* +** MILTER_ABORT_FILTER -- tell filter to abort current message +** +** Parameters: +** m -- milter structure of filter to abort. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_abort_filter(m, e) + struct milter *m; + ENVELOPE *e; +{ + if (tTd(64, 10)) + sm_dprintf("milter_abort_filter(%s)\n", m->mf_name); + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): abort filter", + m->mf_name); + + if (m->mf_sock < 0 || + m->mf_state != SMFS_INMSG) + return; + + (void) milter_write(m, SMFIC_ABORT, (char *) NULL, 0, + m->mf_timeout[SMFTO_WRITE], e); + if (m->mf_state != SMFS_ERROR) + m->mf_state = SMFS_DONE; +} +/* +** MILTER_SEND_MACROS -- provide macros to the filters +** +** Parameters: +** m -- milter to send macros to. +** macros -- macros to send for filter smfi_getsymval(). +** cmd -- which command the macros are associated with. +** e -- current envelope (for macro access). +** +** Returns: +** none +*/ + +static void +milter_send_macros(m, macros, cmd, e) + struct milter *m; + char **macros; + char cmd; + ENVELOPE *e; +{ + int i; + int mid; + char *v; + char *buf, *bp; + char exp[MAXLINE]; + ssize_t s; + + /* sanity check */ + if (macros == NULL || macros[0] == NULL) + return; + + /* put together data */ + s = 1; /* for the command character */ + for (i = 0; macros[i] != NULL; i++) + { + mid = macid(macros[i]); + if (mid == 0) + continue; + v = macvalue(mid, e); + if (v == NULL) + continue; + expand(v, exp, sizeof(exp), e); + s += strlen(macros[i]) + 1 + strlen(exp) + 1; + } + + if (s < 0) + return; + + buf = (char *) xalloc(s); + bp = buf; + *bp++ = cmd; + for (i = 0; macros[i] != NULL; i++) + { + mid = macid(macros[i]); + if (mid == 0) + continue; + v = macvalue(mid, e); + if (v == NULL) + continue; + expand(v, exp, sizeof(exp), e); + + if (tTd(64, 10)) + sm_dprintf("milter_send_macros(%s, %c): %s=%s\n", + m->mf_name, cmd, macros[i], exp); + + (void) sm_strlcpy(bp, macros[i], s - (bp - buf)); + bp += strlen(bp) + 1; + (void) sm_strlcpy(bp, exp, s - (bp - buf)); + bp += strlen(bp) + 1; + } + (void) milter_write(m, SMFIC_MACRO, buf, s, + m->mf_timeout[SMFTO_WRITE], e); + sm_free(buf); +} + +/* +** MILTER_SEND_COMMAND -- send a command and return the response for a filter +** +** Parameters: +** m -- current milter filter +** command -- command to send. +** data -- optional command data. +** sz -- length of buf. +** e -- current envelope (for e->e_id). +** state -- return state word. +** +** Returns: +** response string (may be NULL) +*/ + +static char * +milter_send_command(m, command, data, sz, e, state) + struct milter *m; + char command; + void *data; + ssize_t sz; + ENVELOPE *e; + char *state; +{ + char rcmd; + ssize_t rlen; + unsigned long skipflag; +#if _FFR_MILTER_NOHDR_RESP + unsigned long norespflag = 0; +#endif /* _FFR_MILTER_NOHDR_RESP */ + char *action; + char *defresponse; + char *response; + + if (tTd(64, 10)) + sm_dprintf("milter_send_command(%s): cmd %c len %ld\n", + m->mf_name, (char) command, (long) sz); + + /* find skip flag and default failure */ + switch (command) + { + case SMFIC_CONNECT: + skipflag = SMFIP_NOCONNECT; + action = "connect"; + defresponse = "554 Command rejected"; + break; + + case SMFIC_HELO: + skipflag = SMFIP_NOHELO; + action = "helo"; + defresponse = "550 Command rejected"; + break; + + case SMFIC_MAIL: + skipflag = SMFIP_NOMAIL; + action = "mail"; + defresponse = "550 5.7.1 Command rejected"; + break; + + case SMFIC_RCPT: + skipflag = SMFIP_NORCPT; + action = "rcpt"; + defresponse = "550 5.7.1 Command rejected"; + break; + + case SMFIC_HEADER: + skipflag = SMFIP_NOHDRS; +#if _FFR_MILTER_NOHDR_RESP + norespflag = SMFIP_NOHREPL; +#endif /* _FFR_MILTER_NOHDR_RESP */ + action = "header"; + defresponse = "550 5.7.1 Command rejected"; + break; + + case SMFIC_BODY: + skipflag = SMFIP_NOBODY; + action = "body"; + defresponse = "554 5.7.1 Command rejected"; + break; + + case SMFIC_EOH: + skipflag = SMFIP_NOEOH; + action = "eoh"; + defresponse = "550 5.7.1 Command rejected"; + break; + +#if SMFI_VERSION > 2 + case SMFIC_UNKNOWN: + action = "unknown"; + defresponse = "550 5.7.1 Command rejected"; + break; +#endif /* SMFI_VERSION > 2 */ + + case SMFIC_BODYEOB: + case SMFIC_OPTNEG: + case SMFIC_MACRO: + case SMFIC_ABORT: + case SMFIC_QUIT: + /* NOTE: not handled by milter_send_command() */ + /* FALLTHROUGH */ + + default: + skipflag = 0; + action = "default"; + defresponse = "550 5.7.1 Command rejected"; + break; + } + + /* check if filter wants this command */ + if (skipflag != 0 && + bitset(skipflag, m->mf_pflags)) + return NULL; + + /* send the command to the filter */ + (void) milter_write(m, command, data, sz, + m->mf_timeout[SMFTO_WRITE], e); + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(false, return NULL); + return NULL; + } + +#if _FFR_MILTER_NOHDR_RESP + /* check if filter sends response to this command */ + if (norespflag != 0 && bitset(norespflag, m->mf_pflags)) + return NULL; +#endif /* _FFR_MILTER_NOHDR_RESP */ + + /* get the response from the filter */ + response = milter_read(m, &rcmd, &rlen, + m->mf_timeout[SMFTO_READ], e); + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(false, return NULL); + return NULL; + } + + if (tTd(64, 10)) + sm_dprintf("milter_send_command(%s): returned %c\n", + m->mf_name, (char) rcmd); + + switch (rcmd) + { + case SMFIR_REPLYCODE: + MILTER_CHECK_REPLYCODE(defresponse); + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, action=%s, reject=%s", + m->mf_name, action, response); + *state = rcmd; + break; + + case SMFIR_REJECT: + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, action=%s, reject", + m->mf_name, action); + *state = rcmd; + break; + + case SMFIR_DISCARD: + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, action=%s, discard", + m->mf_name, action); + *state = rcmd; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, action=%s, tempfail", + m->mf_name, action); + *state = rcmd; + break; + + case SMFIR_ACCEPT: + /* this filter is done with message/connection */ + if (command == SMFIC_HELO || + command == SMFIC_CONNECT) + m->mf_state = SMFS_CLOSABLE; + else + m->mf_state = SMFS_DONE; + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, action=%s, accepted", + m->mf_name, action); + break; + + case SMFIR_CONTINUE: + /* if MAIL command is ok, filter is in message state */ + if (command == SMFIC_MAIL) + m->mf_state = SMFS_INMSG; + if (MilterLogLevel > 12) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, action=%s, continue", + m->mf_name, action); + break; + + default: + /* Invalid response to command */ + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_send_command(%s): action=%s returned bogus response %c", + m->mf_name, action, rcmd); + milter_error(m, e); + break; + } + + if (*state != SMFIR_REPLYCODE && + response != NULL) + { + sm_free(response); /* XXX */ + response = NULL; + } + return response; +} + +/* +** MILTER_COMMAND -- send a command and return the response for each filter +** +** Parameters: +** command -- command to send. +** data -- optional command data. +** sz -- length of buf. +** macros -- macros to send for filter smfi_getsymval(). +** e -- current envelope (for macro access). +** state -- return state word. +** +** Returns: +** response string (may be NULL) +*/ + +static char * +milter_command(command, data, sz, macros, e, state) + char command; + void *data; + ssize_t sz; + char **macros; + ENVELOPE *e; + char *state; +{ + int i; + char *response = NULL; + time_t tn = 0; + + if (tTd(64, 10)) + sm_dprintf("milter_command: cmd %c len %ld\n", + (char) command, (long) sz); + + *state = SMFIR_CONTINUE; + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + /* previous problem? */ + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(false, continue); + break; + } + + /* sanity check */ + if (m->mf_sock < 0 || + (m->mf_state != SMFS_OPEN && m->mf_state != SMFS_INMSG)) + continue; + + /* send macros (regardless of whether we send command) */ + if (macros != NULL && macros[0] != NULL) + { + milter_send_macros(m, macros, command, e); + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(false, continue); + break; + } + } + + if (MilterLogLevel > 21) + tn = curtime(); + + response = milter_send_command(m, command, data, sz, e, state); + + if (MilterLogLevel > 21) + { + /* log the time it took for the command per filter */ + sm_syslog(LOG_INFO, e->e_id, + "Milter (%s): time command (%c), %d", + m->mf_name, command, (int) (tn - curtime())); + } + + if (*state != SMFIR_CONTINUE) + break; + } + return response; +} +/* +** MILTER_NEGOTIATE -- get version and flags from filter +** +** Parameters: +** m -- milter filter structure. +** e -- current envelope. +** +** Returns: +** 0 on success, -1 otherwise +*/ + +static int +milter_negotiate(m, e) + struct milter *m; + ENVELOPE *e; +{ + char rcmd; + mi_int32 fvers; + mi_int32 fflags; + mi_int32 pflags; + char *response; + ssize_t rlen; + char data[MILTER_OPTLEN]; + + /* sanity check */ + if (m->mf_sock < 0 || m->mf_state != SMFS_OPEN) + { + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate, impossible state", + m->mf_name); + milter_error(m, e); + return -1; + } + + fvers = htonl(SMFI_VERSION); + fflags = htonl(SMFI_CURR_ACTS); + pflags = htonl(SMFI_CURR_PROT); + (void) memcpy(data, (char *) &fvers, MILTER_LEN_BYTES); + (void) memcpy(data + MILTER_LEN_BYTES, + (char *) &fflags, MILTER_LEN_BYTES); + (void) memcpy(data + (MILTER_LEN_BYTES * 2), + (char *) &pflags, MILTER_LEN_BYTES); + (void) milter_write(m, SMFIC_OPTNEG, data, sizeof data, + m->mf_timeout[SMFTO_WRITE], e); + + if (m->mf_state == SMFS_ERROR) + return -1; + + response = milter_read(m, &rcmd, &rlen, m->mf_timeout[SMFTO_READ], e); + if (m->mf_state == SMFS_ERROR) + return -1; + + if (rcmd != SMFIC_OPTNEG) + { + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): returned %c instead of %c\n", + m->mf_name, rcmd, SMFIC_OPTNEG); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate: returned %c instead of %c", + m->mf_name, rcmd, SMFIC_OPTNEG); + if (response != NULL) + sm_free(response); /* XXX */ + milter_error(m, e); + return -1; + } + + /* Make sure we have enough bytes for the version */ + if (response == NULL || rlen < MILTER_LEN_BYTES) + { + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): did not return valid info\n", + m->mf_name); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate: did not return valid info", + m->mf_name); + if (response != NULL) + sm_free(response); /* XXX */ + milter_error(m, e); + return -1; + } + + /* extract information */ + (void) memcpy((char *) &fvers, response, MILTER_LEN_BYTES); + + /* Now make sure we have enough for the feature bitmap */ + if (rlen != MILTER_OPTLEN) + { + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): did not return enough info\n", + m->mf_name); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate: did not return enough info", + m->mf_name); + if (response != NULL) + sm_free(response); /* XXX */ + milter_error(m, e); + return -1; + } + + (void) memcpy((char *) &fflags, response + MILTER_LEN_BYTES, + MILTER_LEN_BYTES); + (void) memcpy((char *) &pflags, response + (MILTER_LEN_BYTES * 2), + MILTER_LEN_BYTES); + sm_free(response); /* XXX */ + response = NULL; + + m->mf_fvers = ntohl(fvers); + m->mf_fflags = ntohl(fflags); + m->mf_pflags = ntohl(pflags); + + /* check for version compatibility */ + if (m->mf_fvers == 1 || + m->mf_fvers > SMFI_VERSION) + { + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): version %d != MTA milter version %d\n", + m->mf_name, m->mf_fvers, SMFI_VERSION); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate: version %d != MTA milter version %d", + m->mf_name, m->mf_fvers, SMFI_VERSION); + milter_error(m, e); + return -1; + } + + /* check for filter feature mismatch */ + if ((m->mf_fflags & SMFI_CURR_ACTS) != m->mf_fflags) + { + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): filter abilities 0x%x != MTA milter abilities 0x%lx\n", + m->mf_name, m->mf_fflags, + SMFI_CURR_ACTS); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate: filter abilities 0x%x != MTA milter abilities 0x%lx", + m->mf_name, m->mf_fflags, + (unsigned long) SMFI_CURR_ACTS); + milter_error(m, e); + return -1; + } + + /* check for protocol feature mismatch */ + if ((m->mf_pflags & SMFI_CURR_PROT) != m->mf_pflags) + { + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): protocol abilities 0x%x != MTA milter abilities 0x%lx\n", + m->mf_name, m->mf_pflags, + (unsigned long) SMFI_CURR_PROT); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): negotiate: protocol abilities 0x%x != MTA milter abilities 0x%lx", + m->mf_name, m->mf_pflags, + (unsigned long) SMFI_CURR_PROT); + milter_error(m, e); + return -1; + } + + if (tTd(64, 5)) + sm_dprintf("milter_negotiate(%s): version %u, fflags 0x%x, pflags 0x%x\n", + m->mf_name, m->mf_fvers, m->mf_fflags, m->mf_pflags); + return 0; +} +/* +** MILTER_PER_CONNECTION_CHECK -- checks on per-connection commands +** +** Reduce code duplication by putting these checks in one place +** +** Parameters: +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_per_connection_check(e) + ENVELOPE *e; +{ + int i; + + /* see if we are done with any of the filters */ + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + if (m->mf_state == SMFS_CLOSABLE) + milter_quit_filter(m, e); + } +} +/* +** MILTER_ERROR -- Put a milter filter into error state +** +** Parameters: +** m -- the broken filter. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_error(m, e) + struct milter *m; + ENVELOPE *e; +{ + /* + ** We could send a quit here but we may have gotten here due to + ** an I/O error so we don't want to try to make things worse. + */ + + if (m->mf_sock >= 0) + { + (void) close(m->mf_sock); + m->mf_sock = -1; + } + m->mf_state = SMFS_ERROR; + + if (MilterLogLevel > 0) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): to error state", + m->mf_name); +} +/* +** MILTER_HEADERS -- send headers to a single milter filter +** +** Parameters: +** m -- current filter. +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +static char * +milter_headers(m, e, state) + struct milter *m; + ENVELOPE *e; + char *state; +{ + char *response = NULL; + HDR *h; + + if (MilterLogLevel > 17) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): headers, send", + m->mf_name); + + for (h = e->e_header; h != NULL; h = h->h_link) + { + char *buf; + ssize_t s; + + /* don't send over deleted headers */ + if (h->h_value == NULL) + { + /* strip H_USER so not counted in milter_changeheader() */ + h->h_flags &= ~H_USER; + continue; + } + + /* skip auto-generated */ + if (!bitset(H_USER, h->h_flags)) + continue; + + if (tTd(64, 10)) + sm_dprintf("milter_headers: %s: %s\n", + h->h_field, h->h_value); + if (MilterLogLevel > 21) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): header, %s", + m->mf_name, h->h_field); + + s = strlen(h->h_field) + 1 + strlen(h->h_value) + 1; + if (s < 0) + continue; + buf = (char *) xalloc(s); + (void) sm_snprintf(buf, s, "%s%c%s", + h->h_field, '\0', h->h_value); + + /* send it over */ + response = milter_send_command(m, SMFIC_HEADER, buf, + s, e, state); + sm_free(buf); /* XXX */ + if (m->mf_state == SMFS_ERROR || + m->mf_state == SMFS_DONE || + *state != SMFIR_CONTINUE) + break; + } + if (MilterLogLevel > 17) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): headers, sent", + m->mf_name); + return response; +} +/* +** MILTER_BODY -- send the body to a filter +** +** Parameters: +** m -- current filter. +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +static char * +milter_body(m, e, state) + struct milter *m; + ENVELOPE *e; + char *state; +{ + char bufchar = '\0'; + char prevchar = '\0'; + int c; + char *response = NULL; + char *bp; + char buf[MILTER_CHUNK_SIZE]; + + if (tTd(64, 10)) + sm_dprintf("milter_body\n"); + + if (bfrewind(e->e_dfp) < 0) + { + ExitStat = EX_IOERR; + *state = SMFIR_TEMPFAIL; + syserr("milter_body: %s/%cf%s: rewind error", + qid_printqueue(e->e_qgrp, e->e_qdir), + DATAFL_LETTER, e->e_id); + return NULL; + } + + if (MilterLogLevel > 17) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): body, send", + m->mf_name); + bp = buf; + while ((c = sm_io_getc(e->e_dfp, SM_TIME_DEFAULT)) != SM_IO_EOF) + { + /* Change LF to CRLF */ + if (c == '\n') + { + /* Not a CRLF already? */ + if (prevchar != '\r') + { + /* Room for CR now? */ + if (bp + 2 > &buf[sizeof buf]) + { + /* No room, buffer LF */ + bufchar = c; + + /* and send CR now */ + c = '\r'; + } + else + { + /* Room to do it now */ + *bp++ = '\r'; + prevchar = '\r'; + } + } + } + *bp++ = (char) c; + prevchar = c; + if (bp >= &buf[sizeof buf]) + { + /* send chunk */ + response = milter_send_command(m, SMFIC_BODY, buf, + bp - buf, e, state); + bp = buf; + if (bufchar != '\0') + { + *bp++ = bufchar; + bufchar = '\0'; + prevchar = bufchar; + } + } + if (m->mf_state == SMFS_ERROR || + m->mf_state == SMFS_DONE || + *state != SMFIR_CONTINUE) + break; + } + + /* check for read errors */ + if (sm_io_error(e->e_dfp)) + { + ExitStat = EX_IOERR; + if (*state == SMFIR_CONTINUE || + *state == SMFIR_ACCEPT) + { + *state = SMFIR_TEMPFAIL; + if (response != NULL) + { + sm_free(response); /* XXX */ + response = NULL; + } + } + syserr("milter_body: %s/%cf%s: read error", + qid_printqueue(e->e_qgrp, e->e_qdir), + DATAFL_LETTER, e->e_id); + return response; + } + + /* send last body chunk */ + if (bp > buf && + m->mf_state != SMFS_ERROR && + m->mf_state != SMFS_DONE && + *state == SMFIR_CONTINUE) + { + /* send chunk */ + response = milter_send_command(m, SMFIC_BODY, buf, bp - buf, + e, state); + bp = buf; + } + if (MilterLogLevel > 17) + sm_syslog(LOG_INFO, e->e_id, "Milter (%s): body, sent", + m->mf_name); + return response; +} + +/* +** Actions +*/ + +/* +** MILTER_ADDHEADER -- Add the supplied header to the message +** +** Parameters: +** response -- encoded form of header/value. +** rlen -- length of response. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_addheader(response, rlen, e) + char *response; + ssize_t rlen; + ENVELOPE *e; +{ + char *val; + HDR *h; + + if (tTd(64, 10)) + sm_dprintf("milter_addheader: "); + + /* sanity checks */ + if (response == NULL) + { + if (tTd(64, 10)) + sm_dprintf("NULL response\n"); + return; + } + + if (rlen < 2 || strlen(response) + 1 >= (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (total len)\n"); + return; + } + + /* Find separating NUL */ + val = response + strlen(response) + 1; + + /* another sanity check */ + if (strlen(response) + strlen(val) + 2 != (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (part len)\n"); + return; + } + + if (*response == '\0') + { + if (tTd(64, 10)) + sm_dprintf("empty field name\n"); + return; + } + + for (h = e->e_header; h != NULL; h = h->h_link) + { + if (sm_strcasecmp(h->h_field, response) == 0 && + !bitset(H_USER, h->h_flags) && + !bitset(H_TRACE, h->h_flags)) + break; + } + + /* add to e_msgsize */ + e->e_msgsize += strlen(response) + 2 + strlen(val); + + if (h != NULL) + { + if (tTd(64, 10)) + sm_dprintf("Replace default header %s value with %s\n", + h->h_field, val); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, + "Milter change: default header %s value with %s", + h->h_field, val); + h->h_value = newstr(val); + h->h_flags |= H_USER; + } + else + { + if (tTd(64, 10)) + sm_dprintf("Add %s: %s\n", response, val); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, "Milter add: header: %s: %s", + response, val); + addheader(newstr(response), val, H_USER, e); + } +} +/* +** MILTER_INSHEADER -- Insert the supplied header +** +** Parameters: +** response -- encoded form of header/value. +** rlen -- length of response. +** e -- current envelope. +** +** Returns: +** none +** +** Notes: +** Unlike milter_addheader(), this does not attempt to determine +** if the header already exists in the envelope, even a +** deleted version. It just blindly inserts. +*/ + +static void +milter_insheader(response, rlen, e) + char *response; + ssize_t rlen; + ENVELOPE *e; +{ + mi_int32 idx, i; + char *field; + char *val; + + if (tTd(64, 10)) + sm_dprintf("milter_insheader: "); + + /* sanity checks */ + if (response == NULL) + { + if (tTd(64, 10)) + sm_dprintf("NULL response\n"); + return; + } + + if (rlen < 2 || strlen(response) + 1 >= (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (total len)\n"); + return; + } + + /* decode */ + (void) memcpy((char *) &i, response, MILTER_LEN_BYTES); + idx = ntohl(i); + field = response + MILTER_LEN_BYTES; + val = field + strlen(field) + 1; + + /* another sanity check */ + if (MILTER_LEN_BYTES + strlen(field) + 1 + + strlen(val) + 1 != (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (part len)\n"); + return; + } + + if (*field == '\0') + { + if (tTd(64, 10)) + sm_dprintf("empty field name\n"); + return; + } + + /* add to e_msgsize */ + e->e_msgsize += strlen(response) + 2 + strlen(val); + + if (tTd(64, 10)) + sm_dprintf("Insert (%d) %s: %s\n", idx, response, val); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, + "Milter insert (%d): header: %s: %s", + idx, field, val); + insheader(idx, newstr(field), val, H_USER, e); +} +/* +** MILTER_CHANGEHEADER -- Change the supplied header in the message +** +** Parameters: +** response -- encoded form of header/index/value. +** rlen -- length of response. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_changeheader(response, rlen, e) + char *response; + ssize_t rlen; + ENVELOPE *e; +{ + mi_int32 i, index; + char *field, *val; + HDR *h, *sysheader; + + if (tTd(64, 10)) + sm_dprintf("milter_changeheader: "); + + /* sanity checks */ + if (response == NULL) + { + if (tTd(64, 10)) + sm_dprintf("NULL response\n"); + return; + } + + if (rlen < 2 || strlen(response) + 1 >= (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (total len)\n"); + return; + } + + /* Find separating NUL */ + (void) memcpy((char *) &i, response, MILTER_LEN_BYTES); + index = ntohl(i); + field = response + MILTER_LEN_BYTES; + val = field + strlen(field) + 1; + + /* another sanity check */ + if (MILTER_LEN_BYTES + strlen(field) + 1 + + strlen(val) + 1 != (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (part len)\n"); + return; + } + + if (*field == '\0') + { + if (tTd(64, 10)) + sm_dprintf("empty field name\n"); + return; + } + + sysheader = NULL; + for (h = e->e_header; h != NULL; h = h->h_link) + { + if (sm_strcasecmp(h->h_field, field) == 0) + { + if (bitset(H_USER, h->h_flags) && + --index <= 0) + { + sysheader = NULL; + break; + } + else if (!bitset(H_USER, h->h_flags) && + !bitset(H_TRACE, h->h_flags)) + { + /* + ** DRUMS msg-fmt draft says can only have + ** multiple occurences of trace fields, + ** so make sure we replace any non-trace, + ** non-user field. + */ + + sysheader = h; + } + } + } + + /* if not found as user-provided header at index, use sysheader */ + if (h == NULL) + h = sysheader; + + if (h == NULL) + { + if (*val == '\0') + { + if (tTd(64, 10)) + sm_dprintf("Delete (noop) %s\n", field); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, + "Milter delete (noop): header: %s" + , field); + } + else + { + /* treat modify value with no existing header as add */ + if (tTd(64, 10)) + sm_dprintf("Add %s: %s\n", field, val); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, + "Milter change (add): header: %s: %s" + , field, val); + addheader(newstr(field), val, H_USER, e); + } + return; + } + + if (tTd(64, 10)) + { + if (*val == '\0') + { + sm_dprintf("Delete%s %s: %s\n", + h == sysheader ? " (default header)" : "", + field, + h->h_value == NULL ? "" : h->h_value); + } + else + { + sm_dprintf("Change%s %s: from %s to %s\n", + h == sysheader ? " (default header)" : "", + field, + h->h_value == NULL ? "" : h->h_value, + val); + } + } + + if (MilterLogLevel > 8) + { + if (*val == '\0') + { + sm_syslog(LOG_INFO, e->e_id, + "Milter delete: header%s %s: %s", + h == sysheader ? " (default header)" : "", + field, + h->h_value == NULL ? "" : h->h_value); + } + else + { + sm_syslog(LOG_INFO, e->e_id, + "Milter change: header%s %s: from %s to %s", + h == sysheader ? " (default header)" : "", + field, + h->h_value == NULL ? "" : h->h_value, + val); + } + } + + if (h != sysheader && h->h_value != NULL) + { + size_t l; + + l = strlen(h->h_value); + if (l > e->e_msgsize) + e->e_msgsize = 0; + else + e->e_msgsize -= l; + /* rpool, don't free: sm_free(h->h_value); XXX */ + } + + if (*val == '\0') + { + /* Remove "Field: " from message size */ + if (h != sysheader) + { + size_t l; + + l = strlen(h->h_field) + 2; + if (l > e->e_msgsize) + e->e_msgsize = 0; + else + e->e_msgsize -= l; + } + h->h_value = NULL; + } + else + { + h->h_value = newstr(val); + h->h_flags |= H_USER; + e->e_msgsize += strlen(h->h_value); + } +} +/* +** MILTER_ADDRCPT -- Add the supplied recipient to the message +** +** Parameters: +** response -- encoded form of recipient address. +** rlen -- length of response. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_addrcpt(response, rlen, e) + char *response; + ssize_t rlen; + ENVELOPE *e; +{ + int olderrors; + + if (tTd(64, 10)) + sm_dprintf("milter_addrcpt: "); + + /* sanity checks */ + if (response == NULL) + { + if (tTd(64, 10)) + sm_dprintf("NULL response\n"); + return; + } + + if (*response == '\0' || + strlen(response) + 1 != (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (total len %d != rlen %d)\n", + (int) strlen(response), (int) (rlen - 1)); + return; + } + + if (tTd(64, 10)) + sm_dprintf("%s\n", response); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, "Milter add: rcpt: %s", response); + olderrors = Errors; + (void) sendtolist(response, NULLADDR, &e->e_sendqueue, 0, e); + Errors = olderrors; + return; +} +/* +** MILTER_DELRCPT -- Delete the supplied recipient from the message +** +** Parameters: +** response -- encoded form of recipient address. +** rlen -- length of response. +** e -- current envelope. +** +** Returns: +** none +*/ + +static void +milter_delrcpt(response, rlen, e) + char *response; + ssize_t rlen; + ENVELOPE *e; +{ + if (tTd(64, 10)) + sm_dprintf("milter_delrcpt: "); + + /* sanity checks */ + if (response == NULL) + { + if (tTd(64, 10)) + sm_dprintf("NULL response\n"); + return; + } + + if (*response == '\0' || + strlen(response) + 1 != (size_t) rlen) + { + if (tTd(64, 10)) + sm_dprintf("didn't follow protocol (total len)\n"); + return; + } + + if (tTd(64, 10)) + sm_dprintf("%s\n", response); + if (MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, "Milter delete: rcpt %s", + response); + (void) removefromlist(response, &e->e_sendqueue, e); + return; +} +/* +** MILTER_REPLBODY -- Replace the current data file with new body +** +** Parameters: +** response -- encoded form of new body. +** rlen -- length of response. +** newfilter -- if first time called by a new filter +** e -- current envelope. +** +** Returns: +** 0 upon success, -1 upon failure +*/ + +static int +milter_replbody(response, rlen, newfilter, e) + char *response; + ssize_t rlen; + bool newfilter; + ENVELOPE *e; +{ + static char prevchar; + int i; + + if (tTd(64, 10)) + sm_dprintf("milter_replbody\n"); + + /* If a new filter, reset previous character and truncate data file */ + if (newfilter) + { + off_t prevsize; + char dfname[MAXPATHLEN]; + + (void) sm_strlcpy(dfname, queuename(e, DATAFL_LETTER), + sizeof dfname); + + /* Reset prevchar */ + prevchar = '\0'; + + /* Get the current data file information */ + prevsize = sm_io_getinfo(e->e_dfp, SM_IO_WHAT_SIZE, NULL); + if (prevsize < 0) + prevsize = 0; + + /* truncate current data file */ + if (sm_io_getinfo(e->e_dfp, SM_IO_WHAT_ISTYPE, BF_FILE_TYPE)) + { + if (sm_io_setinfo(e->e_dfp, SM_BF_TRUNCATE, NULL) < 0) + { + MILTER_DF_ERROR("milter_replbody: sm_io truncate %s: %s"); + return -1; + } + } + else + { + int err; + + err = sm_io_error(e->e_dfp); + (void) sm_io_flush(e->e_dfp, SM_TIME_DEFAULT); + + /* + ** Clear error if tried to fflush() + ** a read-only file pointer and + ** there wasn't a previous error. + */ + + if (err == 0) + sm_io_clearerr(e->e_dfp); + + /* errno is set implicitly by fseek() before return */ + err = sm_io_seek(e->e_dfp, SM_TIME_DEFAULT, + 0, SEEK_SET); + if (err < 0) + { + MILTER_DF_ERROR("milter_replbody: sm_io_seek %s: %s"); + return -1; + } +# if NOFTRUNCATE + /* XXX: Not much we can do except rewind it */ + errno = EINVAL; + MILTER_DF_ERROR("milter_replbody: ftruncate not available on this platform (%s:%s)"); + return -1; +# else /* NOFTRUNCATE */ + err = ftruncate(sm_io_getinfo(e->e_dfp, + SM_IO_WHAT_FD, NULL), + 0); + if (err < 0) + { + MILTER_DF_ERROR("milter_replbody: sm_io ftruncate %s: %s"); + return -1; + } +# endif /* NOFTRUNCATE */ + } + + if (prevsize > e->e_msgsize) + e->e_msgsize = 0; + else + e->e_msgsize -= prevsize; + } + + if (newfilter && MilterLogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, "Milter message: body replaced"); + + if (response == NULL) + { + /* Flush the buffered '\r' */ + if (prevchar == '\r') + { + (void) sm_io_putc(e->e_dfp, SM_TIME_DEFAULT, prevchar); + e->e_msgsize++; + } + return 0; + } + + for (i = 0; i < rlen; i++) + { + /* Buffered char from last chunk */ + if (i == 0 && prevchar == '\r') + { + /* Not CRLF, output prevchar */ + if (response[i] != '\n') + { + (void) sm_io_putc(e->e_dfp, SM_TIME_DEFAULT, + prevchar); + e->e_msgsize++; + } + prevchar = '\0'; + } + + /* Turn CRLF into LF */ + if (response[i] == '\r') + { + /* check if at end of chunk */ + if (i + 1 < rlen) + { + /* If LF, strip CR */ + if (response[i + 1] == '\n') + i++; + } + else + { + /* check next chunk */ + prevchar = '\r'; + continue; + } + } + (void) sm_io_putc(e->e_dfp, SM_TIME_DEFAULT, response[i]); + e->e_msgsize++; + } + return 0; +} + +/* +** MTA callouts +*/ + +/* +** MILTER_INIT -- open and negotiate with all of the filters +** +** Parameters: +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** true iff at least one filter is active +*/ + +/* ARGSUSED */ +bool +milter_init(e, state) + ENVELOPE *e; + char *state; +{ + int i; + + if (tTd(64, 10)) + sm_dprintf("milter_init\n"); + + *state = SMFIR_CONTINUE; + if (InputFilters[0] == NULL) + { + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, + "Milter: no active filter"); + return false; + } + + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + m->mf_sock = milter_open(m, false, e); + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(true, continue); + break; + } + + if (m->mf_sock < 0 || + milter_negotiate(m, e) < 0 || + m->mf_state == SMFS_ERROR) + { + if (tTd(64, 5)) + sm_dprintf("milter_init(%s): failed to %s\n", + m->mf_name, + m->mf_sock < 0 ? "open" : + "negotiate"); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "Milter (%s): init failed to %s", + m->mf_name, + m->mf_sock < 0 ? "open" : + "negotiate"); + + /* if negotation failure, close socket */ + milter_error(m, e); + MILTER_CHECK_ERROR(true, continue); + continue; + } + if (MilterLogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "Milter (%s): init success to %s", + m->mf_name, + m->mf_sock < 0 ? "open" : "negotiate"); + } + + /* + ** If something temp/perm failed with one of the filters, + ** we won't be using any of them, so clear any existing + ** connections. + */ + + if (*state != SMFIR_CONTINUE) + milter_quit(e); + + return true; +} +/* +** MILTER_CONNECT -- send connection info to milter filters +** +** Parameters: +** hostname -- hostname of remote machine. +** addr -- address of remote machine. +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +char * +milter_connect(hostname, addr, e, state) + char *hostname; + SOCKADDR addr; + ENVELOPE *e; + char *state; +{ + char family; + unsigned short port; + char *buf, *bp; + char *response; + char *sockinfo = NULL; + ssize_t s; +# if NETINET6 + char buf6[INET6_ADDRSTRLEN]; +# endif /* NETINET6 */ + + if (tTd(64, 10)) + sm_dprintf("milter_connect(%s)\n", hostname); + if (MilterLogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, "Milter: connect to filters"); + + /* gather data */ + switch (addr.sa.sa_family) + { +# if NETUNIX + case AF_UNIX: + family = SMFIA_UNIX; + port = htons(0); + sockinfo = addr.sunix.sun_path; + break; +# endif /* NETUNIX */ + +# if NETINET + case AF_INET: + family = SMFIA_INET; + port = addr.sin.sin_port; + sockinfo = (char *) inet_ntoa(addr.sin.sin_addr); + break; +# endif /* NETINET */ + +# if NETINET6 + case AF_INET6: + if (IN6_IS_ADDR_V4MAPPED(&addr.sin6.sin6_addr)) + family = SMFIA_INET; + else + family = SMFIA_INET6; + port = addr.sin6.sin6_port; + sockinfo = anynet_ntop(&addr.sin6.sin6_addr, buf6, + sizeof buf6); + if (sockinfo == NULL) + sockinfo = ""; + break; +# endif /* NETINET6 */ + + default: + family = SMFIA_UNKNOWN; + break; + } + + s = strlen(hostname) + 1 + sizeof(family); + if (family != SMFIA_UNKNOWN) + s += sizeof(port) + strlen(sockinfo) + 1; + + buf = (char *) xalloc(s); + bp = buf; + + /* put together data */ + (void) memcpy(bp, hostname, strlen(hostname)); + bp += strlen(hostname); + *bp++ = '\0'; + (void) memcpy(bp, &family, sizeof family); + bp += sizeof family; + if (family != SMFIA_UNKNOWN) + { + (void) memcpy(bp, &port, sizeof port); + bp += sizeof port; + + /* include trailing '\0' */ + (void) memcpy(bp, sockinfo, strlen(sockinfo) + 1); + } + + response = milter_command(SMFIC_CONNECT, buf, s, + MilterConnectMacros, e, state); + sm_free(buf); /* XXX */ + + /* + ** If this message connection is done for, + ** close the filters. + */ + + if (*state != SMFIR_CONTINUE) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, "Milter: connect, ending"); + milter_quit(e); + } + else + milter_per_connection_check(e); + + /* + ** SMFIR_REPLYCODE can't work with connect due to + ** the requirements of SMTP. Therefore, ignore the + ** reply code text but keep the state it would reflect. + */ + + if (*state == SMFIR_REPLYCODE) + { + if (response != NULL && + *response == '4') + { + if (strncmp(response, "421 ", 4) == 0) + *state = SMFIR_SHUTDOWN; + else + *state = SMFIR_TEMPFAIL; + } + else + *state = SMFIR_REJECT; + if (response != NULL) + { + sm_free(response); /* XXX */ + response = NULL; + } + } + return response; +} +/* +** MILTER_HELO -- send SMTP HELO/EHLO command info to milter filters +** +** Parameters: +** helo -- argument to SMTP HELO/EHLO command. +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +char * +milter_helo(helo, e, state) + char *helo; + ENVELOPE *e; + char *state; +{ + int i; + char *response; + + if (tTd(64, 10)) + sm_dprintf("milter_helo(%s)\n", helo); + + /* HELO/EHLO can come at any point */ + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + switch (m->mf_state) + { + case SMFS_INMSG: + /* abort in message filters */ + milter_abort_filter(m, e); + /* FALLTHROUGH */ + + case SMFS_DONE: + /* reset done filters */ + m->mf_state = SMFS_OPEN; + break; + } + } + + response = milter_command(SMFIC_HELO, helo, strlen(helo) + 1, + MilterHeloMacros, e, state); + milter_per_connection_check(e); + return response; +} +/* +** MILTER_ENVFROM -- send SMTP MAIL command info to milter filters +** +** Parameters: +** args -- SMTP MAIL command args (args[0] == sender). +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +char * +milter_envfrom(args, e, state) + char **args; + ENVELOPE *e; + char *state; +{ + int i; + char *buf, *bp; + char *response; + ssize_t s; + + if (tTd(64, 10)) + { + sm_dprintf("milter_envfrom:"); + for (i = 0; args[i] != NULL; i++) + sm_dprintf(" %s", args[i]); + sm_dprintf("\n"); + } + + /* sanity check */ + if (args[0] == NULL) + { + *state = SMFIR_REJECT; + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, + "Milter: reject, no sender"); + return NULL; + } + + /* new message, so ... */ + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + switch (m->mf_state) + { + case SMFS_INMSG: + /* abort in message filters */ + milter_abort_filter(m, e); + /* FALLTHROUGH */ + + case SMFS_DONE: + /* reset done filters */ + m->mf_state = SMFS_OPEN; + break; + } + } + + /* put together data */ + s = 0; + for (i = 0; args[i] != NULL; i++) + s += strlen(args[i]) + 1; + + if (s < 0) + { + *state = SMFIR_TEMPFAIL; + return NULL; + } + + buf = (char *) xalloc(s); + bp = buf; + for (i = 0; args[i] != NULL; i++) + { + (void) sm_strlcpy(bp, args[i], s - (bp - buf)); + bp += strlen(bp) + 1; + } + + if (MilterLogLevel > 14) + sm_syslog(LOG_INFO, e->e_id, "Milter: senders: %s", buf); + + /* send it over */ + response = milter_command(SMFIC_MAIL, buf, s, + MilterEnvFromMacros, e, state); + sm_free(buf); /* XXX */ + + /* + ** If filter rejects/discards a per message command, + ** abort the other filters since we are done with the + ** current message. + */ + + MILTER_CHECK_DONE_MSG(); + if (MilterLogLevel > 10 && *state == SMFIR_REJECT) + sm_syslog(LOG_INFO, e->e_id, "Milter: reject, senders"); + return response; +} + +/* +** MILTER_ENVRCPT -- send SMTP RCPT command info to milter filters +** +** Parameters: +** args -- SMTP MAIL command args (args[0] == recipient). +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +char * +milter_envrcpt(args, e, state) + char **args; + ENVELOPE *e; + char *state; +{ + int i; + char *buf, *bp; + char *response; + ssize_t s; + + if (tTd(64, 10)) + { + sm_dprintf("milter_envrcpt:"); + for (i = 0; args[i] != NULL; i++) + sm_dprintf(" %s", args[i]); + sm_dprintf("\n"); + } + + /* sanity check */ + if (args[0] == NULL) + { + *state = SMFIR_REJECT; + if (MilterLogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, "Milter: reject, no rcpt"); + return NULL; + } + + /* put together data */ + s = 0; + for (i = 0; args[i] != NULL; i++) + s += strlen(args[i]) + 1; + + if (s < 0) + { + *state = SMFIR_TEMPFAIL; + return NULL; + } + + buf = (char *) xalloc(s); + bp = buf; + for (i = 0; args[i] != NULL; i++) + { + (void) sm_strlcpy(bp, args[i], s - (bp - buf)); + bp += strlen(bp) + 1; + } + + if (MilterLogLevel > 14) + sm_syslog(LOG_INFO, e->e_id, "Milter: rcpts: %s", buf); + + /* send it over */ + response = milter_command(SMFIC_RCPT, buf, s, + MilterEnvRcptMacros, e, state); + sm_free(buf); /* XXX */ + return response; +} + +#if SMFI_VERSION > 3 +/* +** MILTER_DATA_CMD -- send SMTP DATA command info to milter filters +** +** Parameters: +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +*/ + +char * +milter_data_cmd(e, state) + ENVELOPE *e; + char *state; +{ + if (tTd(64, 10)) + sm_dprintf("milter_data_cmd\n"); + + /* send it over */ + return milter_command(SMFIC_DATA, NULL, 0, MilterDataMacros, e, state); +} +#endif /* SMFI_VERSION > 3 */ + +/* +** MILTER_DATA -- send message headers/body and gather final message results +** +** Parameters: +** e -- current envelope. +** state -- return state from response. +** +** Returns: +** response string (may be NULL) +** +** Side effects: +** - Uses e->e_dfp for access to the body +** - Can call the various milter action routines to +** modify the envelope or message. +*/ + +# define MILTER_CHECK_RESULTS() \ + if (*state == SMFIR_ACCEPT || \ + m->mf_state == SMFS_DONE || \ + m->mf_state == SMFS_ERROR) \ + { \ + if (m->mf_state != SMFS_ERROR) \ + m->mf_state = SMFS_DONE; \ + continue; /* to next filter */ \ + } \ + if (*state != SMFIR_CONTINUE) \ + { \ + m->mf_state = SMFS_DONE; \ + goto finishup; \ + } + +char * +milter_data(e, state) + ENVELOPE *e; + char *state; +{ + bool replbody = false; /* milter_replbody() called? */ + bool replfailed = false; /* milter_replbody() failed? */ + bool rewind = false; /* rewind data file? */ + bool dfopen = false; /* data file open for writing? */ + bool newfilter; /* reset on each new filter */ + char rcmd; + int i; + int save_errno; + char *response = NULL; + time_t eomsent; + ssize_t rlen; + + if (tTd(64, 10)) + sm_dprintf("milter_data\n"); + + *state = SMFIR_CONTINUE; + + /* + ** XXX: Should actually send body chunks to each filter + ** a chunk at a time instead of sending the whole body to + ** each filter in turn. However, only if the filters don't + ** change the body. + */ + + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + if (*state != SMFIR_CONTINUE && + *state != SMFIR_ACCEPT) + { + /* + ** A previous filter has dealt with the message, + ** safe to stop processing the filters. + */ + + break; + } + + /* Now reset state for later evaluation */ + *state = SMFIR_CONTINUE; + newfilter = true; + + /* previous problem? */ + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(false, continue); + break; + } + + /* sanity checks */ + if (m->mf_sock < 0 || + (m->mf_state != SMFS_OPEN && m->mf_state != SMFS_INMSG)) + continue; + + m->mf_state = SMFS_INMSG; + + /* check if filter wants the headers */ + if (!bitset(SMFIP_NOHDRS, m->mf_pflags)) + { + response = milter_headers(m, e, state); + MILTER_CHECK_RESULTS(); + } + + /* check if filter wants EOH */ + if (!bitset(SMFIP_NOEOH, m->mf_pflags)) + { + if (tTd(64, 10)) + sm_dprintf("milter_data: eoh\n"); + + /* send it over */ + response = milter_send_command(m, SMFIC_EOH, NULL, 0, + e, state); + MILTER_CHECK_RESULTS(); + } + + /* check if filter wants the body */ + if (!bitset(SMFIP_NOBODY, m->mf_pflags) && + e->e_dfp != NULL) + { + rewind = true; + response = milter_body(m, e, state); + MILTER_CHECK_RESULTS(); + } + + if (MilterEOMMacros[0] != NULL) + { + milter_send_macros(m, MilterEOMMacros, + SMFIC_BODYEOB, e); + MILTER_CHECK_RESULTS(); + } + + /* send the final body chunk */ + (void) milter_write(m, SMFIC_BODYEOB, NULL, 0, + m->mf_timeout[SMFTO_WRITE], e); + + /* Get time EOM sent for timeout */ + eomsent = curtime(); + + /* deal with the possibility of multiple responses */ + while (*state == SMFIR_CONTINUE) + { + /* Check total timeout from EOM to final ACK/NAK */ + if (m->mf_timeout[SMFTO_EOM] > 0 && + curtime() - eomsent >= m->mf_timeout[SMFTO_EOM]) + { + if (tTd(64, 5)) + sm_dprintf("milter_data(%s): EOM ACK/NAK timeout\n", + m->mf_name); + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_data(%s): EOM ACK/NAK timeout", + m->mf_name); + milter_error(m, e); + MILTER_CHECK_ERROR(false, break); + break; + } + + response = milter_read(m, &rcmd, &rlen, + m->mf_timeout[SMFTO_READ], e); + if (m->mf_state == SMFS_ERROR) + break; + + if (tTd(64, 10)) + sm_dprintf("milter_data(%s): state %c\n", + m->mf_name, (char) rcmd); + + switch (rcmd) + { + case SMFIR_REPLYCODE: + MILTER_CHECK_REPLYCODE("554 5.7.1 Command rejected"); + if (MilterLogLevel > 12) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, reject=%s", + m->mf_name, response); + *state = rcmd; + m->mf_state = SMFS_DONE; + break; + + case SMFIR_REJECT: /* log msg at end of function */ + if (MilterLogLevel > 12) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, reject", + m->mf_name); + *state = rcmd; + m->mf_state = SMFS_DONE; + break; + + case SMFIR_DISCARD: + if (MilterLogLevel > 12) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, discard", + m->mf_name); + *state = rcmd; + m->mf_state = SMFS_DONE; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 12) + sm_syslog(LOG_INFO, e->e_id, "milter=%s, tempfail", + m->mf_name); + *state = rcmd; + m->mf_state = SMFS_DONE; + break; + + case SMFIR_CONTINUE: + case SMFIR_ACCEPT: + /* this filter is done with message */ + if (replfailed) + *state = SMFIR_TEMPFAIL; + else + *state = SMFIR_ACCEPT; + m->mf_state = SMFS_DONE; + break; + + case SMFIR_PROGRESS: + break; + + case SMFIR_QUARANTINE: + if (!bitset(SMFIF_QUARANTINE, m->mf_fflags)) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "milter_data(%s): lied about quarantining, honoring request anyway", + m->mf_name); + } + if (response == NULL) + response = newstr(""); + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "milter=%s, quarantine=%s", + m->mf_name, response); + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, + response); + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), e->e_quarmsg); + break; + + case SMFIR_ADDHEADER: + if (!bitset(SMFIF_ADDHDRS, m->mf_fflags)) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "milter_data(%s): lied about adding headers, honoring request anyway", + m->mf_name); + } + milter_addheader(response, rlen, e); + break; + + case SMFIR_INSHEADER: + if (!bitset(SMFIF_ADDHDRS, m->mf_fflags)) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "milter_data(%s): lied about adding headers, honoring request anyway", + m->mf_name); + } + milter_insheader(response, rlen, e); + break; + + case SMFIR_CHGHEADER: + if (!bitset(SMFIF_CHGHDRS, m->mf_fflags)) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "milter_data(%s): lied about changing headers, honoring request anyway", + m->mf_name); + } + milter_changeheader(response, rlen, e); + break; + + case SMFIR_ADDRCPT: + if (!bitset(SMFIF_ADDRCPT, m->mf_fflags)) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "milter_data(%s) lied about adding recipients, honoring request anyway", + m->mf_name); + } + milter_addrcpt(response, rlen, e); + break; + + case SMFIR_DELRCPT: + if (!bitset(SMFIF_DELRCPT, m->mf_fflags)) + { + if (MilterLogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "milter_data(%s): lied about removing recipients, honoring request anyway", + m->mf_name); + } + milter_delrcpt(response, rlen, e); + break; + + case SMFIR_REPLBODY: + if (!bitset(SMFIF_MODBODY, m->mf_fflags)) + { + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_data(%s): lied about replacing body, rejecting request and tempfailing message", + m->mf_name); + replfailed = true; + break; + } + + /* already failed in attempt */ + if (replfailed) + break; + + if (!dfopen) + { + if (milter_reopen_df(e) < 0) + { + replfailed = true; + break; + } + dfopen = true; + rewind = true; + } + + if (milter_replbody(response, rlen, + newfilter, e) < 0) + replfailed = true; + newfilter = false; + replbody = true; + break; + + default: + /* Invalid response to command */ + if (MilterLogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "milter_data(%s): returned bogus response %c", + m->mf_name, rcmd); + milter_error(m, e); + break; + } + if (rcmd != SMFIR_REPLYCODE && response != NULL) + { + sm_free(response); /* XXX */ + response = NULL; + } + + if (m->mf_state == SMFS_ERROR) + break; + } + + if (replbody && !replfailed) + { + /* flush possible buffered character */ + milter_replbody(NULL, 0, !replbody, e); + replbody = false; + } + + if (m->mf_state == SMFS_ERROR) + { + MILTER_CHECK_ERROR(false, continue); + goto finishup; + } + } + +finishup: + /* leave things in the expected state if we touched it */ + if (replfailed) + { + if (*state == SMFIR_CONTINUE || + *state == SMFIR_ACCEPT) + { + *state = SMFIR_TEMPFAIL; + SM_FREE_CLR(response); + } + + if (dfopen) + { + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); + e->e_dfp = NULL; + e->e_flags &= ~EF_HAS_DF; + dfopen = false; + } + rewind = false; + } + + if ((dfopen && milter_reset_df(e) < 0) || + (rewind && bfrewind(e->e_dfp) < 0)) + { + save_errno = errno; + ExitStat = EX_IOERR; + + /* + ** If filter told us to keep message but we had + ** an error, we can't really keep it, tempfail it. + */ + + if (*state == SMFIR_CONTINUE || + *state == SMFIR_ACCEPT) + { + *state = SMFIR_TEMPFAIL; + SM_FREE_CLR(response); + } + + errno = save_errno; + syserr("milter_data: %s/%cf%s: read error", + qid_printqueue(e->e_qgrp, e->e_qdir), + DATAFL_LETTER, e->e_id); + } + + MILTER_CHECK_DONE_MSG(); + if (MilterLogLevel > 10 && *state == SMFIR_REJECT) + sm_syslog(LOG_INFO, e->e_id, "Milter: reject, data"); + return response; +} + +#if SMFI_VERSION > 2 +/* +** MILTER_UNKNOWN -- send any unrecognized or unimplemented command +** string to milter filters +** +** Parameters: +** cmd -- the string itself. +** e -- current envelope. +** state -- return state from response. +** +** +** Returns: +** response string (may be NULL) +*/ + +char * +milter_unknown(cmd, e, state) + char *cmd; + ENVELOPE *e; + char *state; +{ + if (tTd(64, 10)) + sm_dprintf("milter_unknown(%s)\n", cmd); + + return milter_command(SMFIC_UNKNOWN, cmd, strlen(cmd) + 1, + NULL, e, state); +} +#endif /* SMFI_VERSION > 2 */ + +/* +** MILTER_QUIT -- informs the filter(s) we are done and closes connection(s) +** +** Parameters: +** e -- current envelope. +** +** Returns: +** none +*/ + +void +milter_quit(e) + ENVELOPE *e; +{ + int i; + + if (tTd(64, 10)) + sm_dprintf("milter_quit(%s)\n", e->e_id); + + for (i = 0; InputFilters[i] != NULL; i++) + milter_quit_filter(InputFilters[i], e); +} +/* +** MILTER_ABORT -- informs the filter(s) that we are aborting current message +** +** Parameters: +** e -- current envelope. +** +** Returns: +** none +*/ + +void +milter_abort(e) + ENVELOPE *e; +{ + int i; + + if (tTd(64, 10)) + sm_dprintf("milter_abort\n"); + + for (i = 0; InputFilters[i] != NULL; i++) + { + struct milter *m = InputFilters[i]; + + /* sanity checks */ + if (m->mf_sock < 0 || m->mf_state != SMFS_INMSG) + continue; + + milter_abort_filter(m, e); + } +} +#endif /* MILTER */ diff --git a/contrib/sendmail-8.13.4/sendmail/mime.c b/contrib/sendmail-8.13.4/sendmail/mime.c new file mode 100644 index 0000000000..fd3e65a444 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/mime.c @@ -0,0 +1,1257 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1994, 1996-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1994 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#include + +SM_RCSID("@(#)$Id: mime.c,v 8.137 2004/09/02 21:37:26 ca Exp $") + +/* +** MIME support. +** +** I am indebted to John Beck of Hewlett-Packard, who contributed +** his code to me for inclusion. As it turns out, I did not use +** his code since he used a "minimum change" approach that used +** several temp files, and I wanted a "minimum impact" approach +** that would avoid copying. However, looking over his code +** helped me cement my understanding of the problem. +** +** I also looked at, but did not directly use, Nathaniel +** Borenstein's "code.c" module. Again, it functioned as +** a file-to-file translator, which did not fit within my +** design bounds, but it was a useful base for understanding +** the problem. +*/ + +/* use "old" mime 7 to 8 algorithm by default */ +#ifndef MIME7TO8_OLD +# define MIME7TO8_OLD 1 +#endif /* ! MIME7TO8_OLD */ + +#if MIME8TO7 +static int isboundary __P((char *, char **)); +static int mimeboundary __P((char *, char **)); +static int mime_getchar __P((SM_FILE_T *, char **, int *)); +static int mime_getchar_crlf __P((SM_FILE_T *, char **, int *)); + +/* character set for hex and base64 encoding */ +static char Base16Code[] = "0123456789ABCDEF"; +static char Base64Code[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +/* types of MIME boundaries */ +# define MBT_SYNTAX 0 /* syntax error */ +# define MBT_NOTSEP 1 /* not a boundary */ +# define MBT_INTERMED 2 /* intermediate boundary (no trailing --) */ +# define MBT_FINAL 3 /* final boundary (trailing -- included) */ + +static char *MimeBoundaryNames[] = +{ + "SYNTAX", "NOTSEP", "INTERMED", "FINAL" +}; + +static bool MapNLtoCRLF; + +/* +** MIME8TO7 -- output 8 bit body in 7 bit format +** +** The header has already been output -- this has to do the +** 8 to 7 bit conversion. It would be easy if we didn't have +** to deal with nested formats (multipart/xxx and message/rfc822). +** +** We won't be called if we don't have to do a conversion, and +** appropriate MIME-Version: and Content-Type: fields have been +** output. Any Content-Transfer-Encoding: field has not been +** output, and we can add it here. +** +** Parameters: +** mci -- mailer connection information. +** header -- the header for this body part. +** e -- envelope. +** boundaries -- the currently pending message boundaries. +** NULL if we are processing the outer portion. +** flags -- to tweak processing. +** +** Returns: +** An indicator of what terminated the message part: +** MBT_FINAL -- the final boundary +** MBT_INTERMED -- an intermediate boundary +** MBT_NOTSEP -- an end of file +*/ + +struct args +{ + char *a_field; /* name of field */ + char *a_value; /* value of that field */ +}; + +int +mime8to7(mci, header, e, boundaries, flags) + register MCI *mci; + HDR *header; + register ENVELOPE *e; + char **boundaries; + int flags; +{ + register char *p; + int linelen; + int bt; + off_t offset; + size_t sectionsize, sectionhighbits; + int i; + char *type; + char *subtype; + char *cte; + char **pvp; + int argc = 0; + char *bp; + bool use_qp = false; + struct args argv[MAXMIMEARGS]; + char bbuf[128]; + char buf[MAXLINE]; + char pvpbuf[MAXLINE]; + extern unsigned char MimeTokenTab[256]; + + if (tTd(43, 1)) + { + sm_dprintf("mime8to7: flags = %x, boundaries =", flags); + if (boundaries[0] == NULL) + sm_dprintf(" "); + else + { + for (i = 0; boundaries[i] != NULL; i++) + sm_dprintf(" %s", boundaries[i]); + } + sm_dprintf("\n"); + } + MapNLtoCRLF = true; + p = hvalue("Content-Transfer-Encoding", header); + if (p == NULL || + (pvp = prescan(p, '\0', pvpbuf, sizeof pvpbuf, NULL, + MimeTokenTab, false)) == NULL || + pvp[0] == NULL) + { + cte = NULL; + } + else + { + cataddr(pvp, NULL, buf, sizeof buf, '\0'); + cte = sm_rpool_strdup_x(e->e_rpool, buf); + } + + type = subtype = NULL; + p = hvalue("Content-Type", header); + if (p == NULL) + { + if (bitset(M87F_DIGEST, flags)) + p = "message/rfc822"; + else + p = "text/plain"; + } + if (p != NULL && + (pvp = prescan(p, '\0', pvpbuf, sizeof pvpbuf, NULL, + MimeTokenTab, false)) != NULL && + pvp[0] != NULL) + { + if (tTd(43, 40)) + { + for (i = 0; pvp[i] != NULL; i++) + sm_dprintf("pvp[%d] = \"%s\"\n", i, pvp[i]); + } + type = *pvp++; + if (*pvp != NULL && strcmp(*pvp, "/") == 0 && + *++pvp != NULL) + { + subtype = *pvp++; + } + + /* break out parameters */ + while (*pvp != NULL && argc < MAXMIMEARGS) + { + /* skip to semicolon separator */ + while (*pvp != NULL && strcmp(*pvp, ";") != 0) + pvp++; + if (*pvp++ == NULL || *pvp == NULL) + break; + + /* complain about empty values */ + if (strcmp(*pvp, ";") == 0) + { + usrerr("mime8to7: Empty parameter in Content-Type header"); + + /* avoid bounce loops */ + e->e_flags |= EF_DONT_MIME; + continue; + } + + /* extract field name */ + argv[argc].a_field = *pvp++; + + /* see if there is a value */ + if (*pvp != NULL && strcmp(*pvp, "=") == 0 && + (*++pvp == NULL || strcmp(*pvp, ";") != 0)) + { + argv[argc].a_value = *pvp; + argc++; + } + } + } + + /* check for disaster cases */ + if (type == NULL) + type = "-none-"; + if (subtype == NULL) + subtype = "-none-"; + + /* don't propogate some flags more than one level into the message */ + flags &= ~M87F_DIGEST; + + /* + ** Check for cases that can not be encoded. + ** + ** For example, you can't encode certain kinds of types + ** or already-encoded messages. If we find this case, + ** just copy it through. + */ + + (void) sm_snprintf(buf, sizeof buf, "%.100s/%.100s", type, subtype); + if (wordinclass(buf, 'n') || (cte != NULL && !wordinclass(cte, 'e'))) + flags |= M87F_NO8BIT; + +# ifdef USE_B_CLASS + if (wordinclass(buf, 'b') || wordinclass(type, 'b')) + MapNLtoCRLF = false; +# endif /* USE_B_CLASS */ + if (wordinclass(buf, 'q') || wordinclass(type, 'q')) + use_qp = true; + + /* + ** Multipart requires special processing. + ** + ** Do a recursive descent into the message. + */ + + if (sm_strcasecmp(type, "multipart") == 0 && + (!bitset(M87F_NO8BIT, flags) || bitset(M87F_NO8TO7, flags))) + { + + if (sm_strcasecmp(subtype, "digest") == 0) + flags |= M87F_DIGEST; + + for (i = 0; i < argc; i++) + { + if (sm_strcasecmp(argv[i].a_field, "boundary") == 0) + break; + } + if (i >= argc || argv[i].a_value == NULL) + { + usrerr("mime8to7: Content-Type: \"%s\": %s boundary", + i >= argc ? "missing" : "bogus", p); + p = "---"; + + /* avoid bounce loops */ + e->e_flags |= EF_DONT_MIME; + } + else + { + p = argv[i].a_value; + stripquotes(p); + } + if (sm_strlcpy(bbuf, p, sizeof bbuf) >= sizeof bbuf) + { + usrerr("mime8to7: multipart boundary \"%s\" too long", + p); + + /* avoid bounce loops */ + e->e_flags |= EF_DONT_MIME; + } + + if (tTd(43, 1)) + sm_dprintf("mime8to7: multipart boundary \"%s\"\n", + bbuf); + for (i = 0; i < MAXMIMENESTING; i++) + { + if (boundaries[i] == NULL) + break; + } + if (i >= MAXMIMENESTING) + { + usrerr("mime8to7: multipart nesting boundary too deep"); + + /* avoid bounce loops */ + e->e_flags |= EF_DONT_MIME; + } + else + { + boundaries[i] = bbuf; + boundaries[i + 1] = NULL; + } + mci->mci_flags |= MCIF_INMIME; + + /* skip the early "comment" prologue */ + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + bt = MBT_FINAL; + while (sm_io_fgets(e->e_dfp, SM_TIME_DEFAULT, buf, sizeof buf) + != NULL) + { + bt = mimeboundary(buf, boundaries); + if (bt != MBT_NOTSEP) + break; + putxline(buf, strlen(buf), mci, + PXLF_MAPFROM|PXLF_STRIP8BIT); + if (tTd(43, 99)) + sm_dprintf(" ...%s", buf); + } + if (sm_io_eof(e->e_dfp)) + bt = MBT_FINAL; + while (bt != MBT_FINAL) + { + auto HDR *hdr = NULL; + + (void) sm_strlcpyn(buf, sizeof buf, 2, "--", bbuf); + putline(buf, mci); + if (tTd(43, 35)) + sm_dprintf(" ...%s\n", buf); + collect(e->e_dfp, false, &hdr, e, false); + if (tTd(43, 101)) + putline("+++after collect", mci); + putheader(mci, hdr, e, flags); + if (tTd(43, 101)) + putline("+++after putheader", mci); + bt = mime8to7(mci, hdr, e, boundaries, flags); + } + (void) sm_strlcpyn(buf, sizeof buf, 3, "--", bbuf, "--"); + putline(buf, mci); + if (tTd(43, 35)) + sm_dprintf(" ...%s\n", buf); + boundaries[i] = NULL; + mci->mci_flags &= ~MCIF_INMIME; + + /* skip the late "comment" epilogue */ + while (sm_io_fgets(e->e_dfp, SM_TIME_DEFAULT, buf, sizeof buf) + != NULL) + { + bt = mimeboundary(buf, boundaries); + if (bt != MBT_NOTSEP) + break; + putxline(buf, strlen(buf), mci, + PXLF_MAPFROM|PXLF_STRIP8BIT); + if (tTd(43, 99)) + sm_dprintf(" ...%s", buf); + } + if (sm_io_eof(e->e_dfp)) + bt = MBT_FINAL; + if (tTd(43, 3)) + sm_dprintf("\t\t\tmime8to7=>%s (multipart)\n", + MimeBoundaryNames[bt]); + return bt; + } + + /* + ** Message/xxx types -- recurse exactly once. + ** + ** Class 's' is predefined to have "rfc822" only. + */ + + if (sm_strcasecmp(type, "message") == 0) + { + if (!wordinclass(subtype, 's')) + { + flags |= M87F_NO8BIT; + } + else + { + auto HDR *hdr = NULL; + + putline("", mci); + + mci->mci_flags |= MCIF_INMIME; + collect(e->e_dfp, false, &hdr, e, false); + if (tTd(43, 101)) + putline("+++after collect", mci); + putheader(mci, hdr, e, flags); + if (tTd(43, 101)) + putline("+++after putheader", mci); + if (hvalue("MIME-Version", hdr) == NULL && + !bitset(M87F_NO8TO7, flags)) + putline("MIME-Version: 1.0", mci); + bt = mime8to7(mci, hdr, e, boundaries, flags); + mci->mci_flags &= ~MCIF_INMIME; + return bt; + } + } + + /* + ** Non-compound body type + ** + ** Compute the ratio of seven to eight bit characters; + ** use that as a heuristic to decide how to do the + ** encoding. + */ + + sectionsize = sectionhighbits = 0; + if (!bitset(M87F_NO8BIT|M87F_NO8TO7, flags)) + { + /* remember where we were */ + offset = sm_io_tell(e->e_dfp, SM_TIME_DEFAULT); + if (offset == -1) + syserr("mime8to7: cannot sm_io_tell on %cf%s", + DATAFL_LETTER, e->e_id); + + /* do a scan of this body type to count character types */ + while (sm_io_fgets(e->e_dfp, SM_TIME_DEFAULT, buf, sizeof buf) + != NULL) + { + if (mimeboundary(buf, boundaries) != MBT_NOTSEP) + break; + for (p = buf; *p != '\0'; p++) + { + /* count bytes with the high bit set */ + sectionsize++; + if (bitset(0200, *p)) + sectionhighbits++; + } + + /* + ** Heuristic: if 1/4 of the first 4K bytes are 8-bit, + ** assume base64. This heuristic avoids double-reading + ** large graphics or video files. + */ + + if (sectionsize >= 4096 && + sectionhighbits > sectionsize / 4) + break; + } + + /* return to the original offset for processing */ + /* XXX use relative seeks to handle >31 bit file sizes? */ + if (sm_io_seek(e->e_dfp, SM_TIME_DEFAULT, offset, SEEK_SET) < 0) + syserr("mime8to7: cannot sm_io_fseek on %cf%s", + DATAFL_LETTER, e->e_id); + else + sm_io_clearerr(e->e_dfp); + } + + /* + ** Heuristically determine encoding method. + ** If more than 1/8 of the total characters have the + ** eighth bit set, use base64; else use quoted-printable. + ** However, only encode binary encoded data as base64, + ** since otherwise the NL=>CRLF mapping will be a problem. + */ + + if (tTd(43, 8)) + { + sm_dprintf("mime8to7: %ld high bit(s) in %ld byte(s), cte=%s, type=%s/%s\n", + (long) sectionhighbits, (long) sectionsize, + cte == NULL ? "[none]" : cte, + type == NULL ? "[none]" : type, + subtype == NULL ? "[none]" : subtype); + } + if (cte != NULL && sm_strcasecmp(cte, "binary") == 0) + sectionsize = sectionhighbits; + linelen = 0; + bp = buf; + if (sectionhighbits == 0) + { + /* no encoding necessary */ + if (cte != NULL && + bitset(MCIF_CVT8TO7|MCIF_CVT7TO8|MCIF_INMIME, + mci->mci_flags) && + !bitset(M87F_NO8TO7, flags)) + { + /* + ** Skip _unless_ in MIME mode and potentially + ** converting from 8 bit to 7 bit MIME. See + ** putheader() for the counterpart where the + ** CTE header is skipped in the opposite + ** situation. + */ + + (void) sm_snprintf(buf, sizeof buf, + "Content-Transfer-Encoding: %.200s", cte); + putline(buf, mci); + if (tTd(43, 36)) + sm_dprintf(" ...%s\n", buf); + } + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + while (sm_io_fgets(e->e_dfp, SM_TIME_DEFAULT, buf, sizeof buf) + != NULL) + { + bt = mimeboundary(buf, boundaries); + if (bt != MBT_NOTSEP) + break; + putline(buf, mci); + } + if (sm_io_eof(e->e_dfp)) + bt = MBT_FINAL; + } + else if (!MapNLtoCRLF || + (sectionsize / 8 < sectionhighbits && !use_qp)) + { + /* use base64 encoding */ + int c1, c2; + + if (tTd(43, 36)) + sm_dprintf(" ...Content-Transfer-Encoding: base64\n"); + putline("Content-Transfer-Encoding: base64", mci); + (void) sm_snprintf(buf, sizeof buf, + "X-MIME-Autoconverted: from 8bit to base64 by %s id %s", + MyHostName, e->e_id); + putline(buf, mci); + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + while ((c1 = mime_getchar_crlf(e->e_dfp, boundaries, &bt)) != + SM_IO_EOF) + { + if (linelen > 71) + { + *bp = '\0'; + putline(buf, mci); + linelen = 0; + bp = buf; + } + linelen += 4; + *bp++ = Base64Code[(c1 >> 2)]; + c1 = (c1 & 0x03) << 4; + c2 = mime_getchar_crlf(e->e_dfp, boundaries, &bt); + if (c2 == SM_IO_EOF) + { + *bp++ = Base64Code[c1]; + *bp++ = '='; + *bp++ = '='; + break; + } + c1 |= (c2 >> 4) & 0x0f; + *bp++ = Base64Code[c1]; + c1 = (c2 & 0x0f) << 2; + c2 = mime_getchar_crlf(e->e_dfp, boundaries, &bt); + if (c2 == SM_IO_EOF) + { + *bp++ = Base64Code[c1]; + *bp++ = '='; + break; + } + c1 |= (c2 >> 6) & 0x03; + *bp++ = Base64Code[c1]; + *bp++ = Base64Code[c2 & 0x3f]; + } + *bp = '\0'; + putline(buf, mci); + } + else + { + /* use quoted-printable encoding */ + int c1, c2; + int fromstate; + BITMAP256 badchars; + + /* set up map of characters that must be mapped */ + clrbitmap(badchars); + for (c1 = 0x00; c1 < 0x20; c1++) + setbitn(c1, badchars); + clrbitn('\t', badchars); + for (c1 = 0x7f; c1 < 0x100; c1++) + setbitn(c1, badchars); + setbitn('=', badchars); + if (bitnset(M_EBCDIC, mci->mci_mailer->m_flags)) + for (p = "!\"#$@[\\]^`{|}~"; *p != '\0'; p++) + setbitn(*p, badchars); + + if (tTd(43, 36)) + sm_dprintf(" ...Content-Transfer-Encoding: quoted-printable\n"); + putline("Content-Transfer-Encoding: quoted-printable", mci); + (void) sm_snprintf(buf, sizeof buf, + "X-MIME-Autoconverted: from 8bit to quoted-printable by %s id %s", + MyHostName, e->e_id); + putline(buf, mci); + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + fromstate = 0; + c2 = '\n'; + while ((c1 = mime_getchar(e->e_dfp, boundaries, &bt)) != + SM_IO_EOF) + { + if (c1 == '\n') + { + if (c2 == ' ' || c2 == '\t') + { + *bp++ = '='; + *bp++ = Base16Code[(c2 >> 4) & 0x0f]; + *bp++ = Base16Code[c2 & 0x0f]; + } + if (buf[0] == '.' && bp == &buf[1]) + { + buf[0] = '='; + *bp++ = Base16Code[('.' >> 4) & 0x0f]; + *bp++ = Base16Code['.' & 0x0f]; + } + *bp = '\0'; + putline(buf, mci); + linelen = fromstate = 0; + bp = buf; + c2 = c1; + continue; + } + if (c2 == ' ' && linelen == 4 && fromstate == 4 && + bitnset(M_ESCFROM, mci->mci_mailer->m_flags)) + { + *bp++ = '='; + *bp++ = '2'; + *bp++ = '0'; + linelen += 3; + } + else if (c2 == ' ' || c2 == '\t') + { + *bp++ = c2; + linelen++; + } + if (linelen > 72 && + (linelen > 75 || c1 != '.' || + (linelen > 73 && c2 == '.'))) + { + if (linelen > 73 && c2 == '.') + bp--; + else + c2 = '\n'; + *bp++ = '='; + *bp = '\0'; + putline(buf, mci); + linelen = fromstate = 0; + bp = buf; + if (c2 == '.') + { + *bp++ = '.'; + linelen++; + } + } + if (bitnset(bitidx(c1), badchars)) + { + *bp++ = '='; + *bp++ = Base16Code[(c1 >> 4) & 0x0f]; + *bp++ = Base16Code[c1 & 0x0f]; + linelen += 3; + } + else if (c1 != ' ' && c1 != '\t') + { + if (linelen < 4 && c1 == "From"[linelen]) + fromstate++; + *bp++ = c1; + linelen++; + } + c2 = c1; + } + + /* output any saved character */ + if (c2 == ' ' || c2 == '\t') + { + *bp++ = '='; + *bp++ = Base16Code[(c2 >> 4) & 0x0f]; + *bp++ = Base16Code[c2 & 0x0f]; + linelen += 3; + } + + if (linelen > 0 || boundaries[0] != NULL) + { + *bp = '\0'; + putline(buf, mci); + } + + } + if (tTd(43, 3)) + sm_dprintf("\t\t\tmime8to7=>%s (basic)\n", MimeBoundaryNames[bt]); + return bt; +} +/* +** MIME_GETCHAR -- get a character for MIME processing +** +** Treats boundaries as SM_IO_EOF. +** +** Parameters: +** fp -- the input file. +** boundaries -- the current MIME boundaries. +** btp -- if the return value is SM_IO_EOF, *btp is set to +** the type of the boundary. +** +** Returns: +** The next character in the input stream. +*/ + +static int +mime_getchar(fp, boundaries, btp) + register SM_FILE_T *fp; + char **boundaries; + int *btp; +{ + int c; + static unsigned char *bp = NULL; + static int buflen = 0; + static bool atbol = true; /* at beginning of line */ + static int bt = MBT_SYNTAX; /* boundary type of next SM_IO_EOF */ + static unsigned char buf[128]; /* need not be a full line */ + int start = 0; /* indicates position of - in buffer */ + + if (buflen == 1 && *bp == '\n') + { + /* last \n in buffer may be part of next MIME boundary */ + c = *bp; + } + else if (buflen > 0) + { + buflen--; + return *bp++; + } + else + c = sm_io_getc(fp, SM_TIME_DEFAULT); + bp = buf; + buflen = 0; + if (c == '\n') + { + /* might be part of a MIME boundary */ + *bp++ = c; + atbol = true; + c = sm_io_getc(fp, SM_TIME_DEFAULT); + if (c == '\n') + { + (void) sm_io_ungetc(fp, SM_TIME_DEFAULT, c); + return c; + } + start = 1; + } + if (c != SM_IO_EOF) + *bp++ = c; + else + bt = MBT_FINAL; + if (atbol && c == '-') + { + /* check for a message boundary */ + c = sm_io_getc(fp, SM_TIME_DEFAULT); + if (c != '-') + { + if (c != SM_IO_EOF) + *bp++ = c; + else + bt = MBT_FINAL; + buflen = bp - buf - 1; + bp = buf; + return *bp++; + } + + /* got "--", now check for rest of separator */ + *bp++ = '-'; + while (bp < &buf[sizeof buf - 2] && + (c = sm_io_getc(fp, SM_TIME_DEFAULT)) != SM_IO_EOF && + c != '\n') + { + *bp++ = c; + } + *bp = '\0'; /* XXX simply cut off? */ + bt = mimeboundary((char *) &buf[start], boundaries); + switch (bt) + { + case MBT_FINAL: + case MBT_INTERMED: + /* we have a message boundary */ + buflen = 0; + *btp = bt; + return SM_IO_EOF; + } + + if (bp < &buf[sizeof buf - 2] && c != SM_IO_EOF) + *bp++ = c; + } + + atbol = c == '\n'; + buflen = bp - buf - 1; + if (buflen < 0) + { + *btp = bt; + return SM_IO_EOF; + } + bp = buf; + return *bp++; +} +/* +** MIME_GETCHAR_CRLF -- do mime_getchar, but translate NL => CRLF +** +** Parameters: +** fp -- the input file. +** boundaries -- the current MIME boundaries. +** btp -- if the return value is SM_IO_EOF, *btp is set to +** the type of the boundary. +** +** Returns: +** The next character in the input stream. +*/ + +static int +mime_getchar_crlf(fp, boundaries, btp) + register SM_FILE_T *fp; + char **boundaries; + int *btp; +{ + static bool sendlf = false; + int c; + + if (sendlf) + { + sendlf = false; + return '\n'; + } + c = mime_getchar(fp, boundaries, btp); + if (c == '\n' && MapNLtoCRLF) + { + sendlf = true; + return '\r'; + } + return c; +} +/* +** MIMEBOUNDARY -- determine if this line is a MIME boundary & its type +** +** Parameters: +** line -- the input line. +** boundaries -- the set of currently pending boundaries. +** +** Returns: +** MBT_NOTSEP -- if this is not a separator line +** MBT_INTERMED -- if this is an intermediate separator +** MBT_FINAL -- if this is a final boundary +** MBT_SYNTAX -- if this is a boundary for the wrong +** enclosure -- i.e., a syntax error. +*/ + +static int +mimeboundary(line, boundaries) + register char *line; + char **boundaries; +{ + int type = MBT_NOTSEP; + int i; + int savec; + + if (line[0] != '-' || line[1] != '-' || boundaries == NULL) + return MBT_NOTSEP; + i = strlen(line); + if (i > 0 && line[i - 1] == '\n') + i--; + + /* strip off trailing whitespace */ + while (i > 0 && (line[i - 1] == ' ' || line[i - 1] == '\t' +#if _FFR_MIME_CR_OK + || line[i - 1] == '\r' +#endif /* _FFR_MIME_CR_OK */ + )) + i--; + savec = line[i]; + line[i] = '\0'; + + if (tTd(43, 5)) + sm_dprintf("mimeboundary: line=\"%s\"... ", line); + + /* check for this as an intermediate boundary */ + if (isboundary(&line[2], boundaries) >= 0) + type = MBT_INTERMED; + else if (i > 2 && strncmp(&line[i - 2], "--", 2) == 0) + { + /* check for a final boundary */ + line[i - 2] = '\0'; + if (isboundary(&line[2], boundaries) >= 0) + type = MBT_FINAL; + line[i - 2] = '-'; + } + + line[i] = savec; + if (tTd(43, 5)) + sm_dprintf("%s\n", MimeBoundaryNames[type]); + return type; +} +/* +** DEFCHARSET -- return default character set for message +** +** The first choice for character set is for the mailer +** corresponding to the envelope sender. If neither that +** nor the global configuration file has a default character +** set defined, return "unknown-8bit" as recommended by +** RFC 1428 section 3. +** +** Parameters: +** e -- the envelope for this message. +** +** Returns: +** The default character set for that mailer. +*/ + +char * +defcharset(e) + register ENVELOPE *e; +{ + if (e != NULL && e->e_from.q_mailer != NULL && + e->e_from.q_mailer->m_defcharset != NULL) + return e->e_from.q_mailer->m_defcharset; + if (DefaultCharSet != NULL) + return DefaultCharSet; + return "unknown-8bit"; +} +/* +** ISBOUNDARY -- is a given string a currently valid boundary? +** +** Parameters: +** line -- the current input line. +** boundaries -- the list of valid boundaries. +** +** Returns: +** The index number in boundaries if the line is found. +** -1 -- otherwise. +** +*/ + +static int +isboundary(line, boundaries) + char *line; + char **boundaries; +{ + register int i; + + for (i = 0; i <= MAXMIMENESTING && boundaries[i] != NULL; i++) + { + if (strcmp(line, boundaries[i]) == 0) + return i; + } + return -1; +} +#endif /* MIME8TO7 */ + +#if MIME7TO8 +static int mime_fromqp __P((unsigned char *, unsigned char **, int)); + +/* +** MIME7TO8 -- output 7 bit encoded MIME body in 8 bit format +** +** This is a hack. Supports translating the two 7-bit body-encodings +** (quoted-printable and base64) to 8-bit coded bodies. +** +** There is not much point in supporting multipart here, as the UA +** will be able to deal with encoded MIME bodies if it can parse MIME +** multipart messages. +** +** Note also that we won't be called unless it is a text/plain MIME +** message, encoded base64 or QP and mailer flag '9' has been defined +** on mailer. +** +** Contributed by Marius Olaffson . +** +** Parameters: +** mci -- mailer connection information. +** header -- the header for this body part. +** e -- envelope. +** +** Returns: +** none. +*/ + +static char index_64[128] = +{ + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, + 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1,-1,-1,-1, + -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, + 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, + -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, + 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 +}; + +# define CHAR64(c) (((c) < 0 || (c) > 127) ? -1 : index_64[(c)]) + +void +mime7to8(mci, header, e) + register MCI *mci; + HDR *header; + register ENVELOPE *e; +{ + int pxflags; + register char *p; + char *cte; + char **pvp; + unsigned char *fbufp; + char buf[MAXLINE]; + unsigned char fbuf[MAXLINE + 1]; + char pvpbuf[MAXLINE]; + extern unsigned char MimeTokenTab[256]; + + p = hvalue("Content-Transfer-Encoding", header); + if (p == NULL || + (pvp = prescan(p, '\0', pvpbuf, sizeof pvpbuf, NULL, + MimeTokenTab, false)) == NULL || + pvp[0] == NULL) + { + /* "can't happen" -- upper level should have caught this */ + syserr("mime7to8: unparsable CTE %s", p == NULL ? "" : p); + + /* avoid bounce loops */ + e->e_flags |= EF_DONT_MIME; + + /* cheap failsafe algorithm -- should work on text/plain */ + if (p != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "Content-Transfer-Encoding: %s", p); + putline(buf, mci); + } + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + while (sm_io_fgets(e->e_dfp, SM_TIME_DEFAULT, buf, sizeof buf) + != NULL) + putline(buf, mci); + return; + } + cataddr(pvp, NULL, buf, sizeof buf, '\0'); + cte = sm_rpool_strdup_x(e->e_rpool, buf); + + mci->mci_flags |= MCIF_INHEADER; + putline("Content-Transfer-Encoding: 8bit", mci); + (void) sm_snprintf(buf, sizeof buf, + "X-MIME-Autoconverted: from %.200s to 8bit by %s id %s", + cte, MyHostName, e->e_id); + putline(buf, mci); + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + + /* + ** Translate body encoding to 8-bit. Supports two types of + ** encodings; "base64" and "quoted-printable". Assume qp if + ** it is not base64. + */ + + pxflags = PXLF_MAPFROM; + if (sm_strcasecmp(cte, "base64") == 0) + { + int c1, c2, c3, c4; + + fbufp = fbuf; + while ((c1 = sm_io_getc(e->e_dfp, SM_TIME_DEFAULT)) != + SM_IO_EOF) + { + if (isascii(c1) && isspace(c1)) + continue; + + do + { + c2 = sm_io_getc(e->e_dfp, SM_TIME_DEFAULT); + } while (isascii(c2) && isspace(c2)); + if (c2 == SM_IO_EOF) + break; + + do + { + c3 = sm_io_getc(e->e_dfp, SM_TIME_DEFAULT); + } while (isascii(c3) && isspace(c3)); + if (c3 == SM_IO_EOF) + break; + + do + { + c4 = sm_io_getc(e->e_dfp, SM_TIME_DEFAULT); + } while (isascii(c4) && isspace(c4)); + if (c4 == SM_IO_EOF) + break; + + if (c1 == '=' || c2 == '=') + continue; + c1 = CHAR64(c1); + c2 = CHAR64(c2); + +#if MIME7TO8_OLD +#define CHK_EOL if (*--fbufp != '\n' || (fbufp > fbuf && *--fbufp != '\r')) \ + ++fbufp; +#else /* MIME7TO8_OLD */ +#define CHK_EOL if (*--fbufp != '\n' || (fbufp > fbuf && *--fbufp != '\r')) \ + { \ + ++fbufp; \ + pxflags |= PXLF_NOADDEOL; \ + } +#endif /* MIME7TO8_OLD */ + +#define PUTLINE64 \ + do \ + { \ + if (*fbufp++ == '\n' || fbufp >= &fbuf[MAXLINE]) \ + { \ + CHK_EOL; \ + putxline((char *) fbuf, fbufp - fbuf, mci, pxflags); \ + pxflags &= ~PXLF_NOADDEOL; \ + fbufp = fbuf; \ + } \ + } while (0) + + *fbufp = (c1 << 2) | ((c2 & 0x30) >> 4); + PUTLINE64; + if (c3 == '=') + continue; + c3 = CHAR64(c3); + *fbufp = ((c2 & 0x0f) << 4) | ((c3 & 0x3c) >> 2); + PUTLINE64; + if (c4 == '=') + continue; + c4 = CHAR64(c4); + *fbufp = ((c3 & 0x03) << 6) | c4; + PUTLINE64; + } + } + else + { + int off; + + /* quoted-printable */ + pxflags |= PXLF_NOADDEOL; + fbufp = fbuf; + while (sm_io_fgets(e->e_dfp, SM_TIME_DEFAULT, buf, + sizeof buf) != NULL) + { + off = mime_fromqp((unsigned char *) buf, &fbufp, + &fbuf[MAXLINE] - fbufp); +again: + if (off < -1) + continue; + + if (fbufp - fbuf > 0) + putxline((char *) fbuf, fbufp - fbuf - 1, mci, + pxflags); + fbufp = fbuf; + if (off >= 0 && buf[off] != '\0') + { + off = mime_fromqp((unsigned char *) (buf + off), + &fbufp, + &fbuf[MAXLINE] - fbufp); + goto again; + } + } + } + + /* force out partial last line */ + if (fbufp > fbuf) + { + *fbufp = '\0'; + putxline((char *) fbuf, fbufp - fbuf, mci, pxflags); + } + + /* + ** The decoded text may end without an EOL. Since this function + ** is only called for text/plain MIME messages, it is safe to + ** add an extra one at the end just in case. This is a hack, + ** but so is auto-converting MIME in the first place. + */ + + putline("", mci); + + if (tTd(43, 3)) + sm_dprintf("\t\t\tmime7to8 => %s to 8bit done\n", cte); +} +/* +** The following is based on Borenstein's "codes.c" module, with simplifying +** changes as we do not deal with multipart, and to do the translation in-core, +** with an attempt to prevent overrun of output buffers. +** +** What is needed here are changes to defend this code better against +** bad encodings. Questionable to always return 0xFF for bad mappings. +*/ + +static char index_hex[128] = +{ + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1, -1,-1,-1,-1, + -1,10,11,12, 13,14,15,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,10,11,12, 13,14,15,-1, -1,-1,-1,-1, -1,-1,-1,-1, + -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1 +}; + +# define HEXCHAR(c) (((c) < 0 || (c) > 127) ? -1 : index_hex[(c)]) + +/* +** MIME_FROMQP -- decode quoted printable string +** +** Parameters: +** infile -- input (encoded) string +** outfile -- output string +** maxlen -- size of output buffer +** +** Returns: +** -2 if decoding failure +** -1 if infile completely decoded into outfile +** >= 0 is the position in infile decoding +** reached before maxlen was reached +*/ + +static int +mime_fromqp(infile, outfile, maxlen) + unsigned char *infile; + unsigned char **outfile; + int maxlen; /* Max # of chars allowed in outfile */ +{ + int c1, c2; + int nchar = 0; + unsigned char *b; + + /* decrement by one for trailing '\0', at least one other char */ + if (--maxlen < 1) + return 0; + + b = infile; + while ((c1 = *infile++) != '\0' && nchar < maxlen) + { + if (c1 == '=') + { + if ((c1 = *infile++) == '\0') + break; + + if (c1 == '\n' || (c1 = HEXCHAR(c1)) == -1) + { + /* ignore it and the rest of the buffer */ + return -2; + } + else + { + do + { + if ((c2 = *infile++) == '\0') + { + c2 = -1; + break; + } + } while ((c2 = HEXCHAR(c2)) == -1); + + if (c2 == -1) + break; + nchar++; + *(*outfile)++ = c1 << 4 | c2; + } + } + else + { + nchar++; + *(*outfile)++ = c1; + if (c1 == '\n') + break; + } + } + *(*outfile)++ = '\0'; + if (nchar >= maxlen) + return (infile - b - 1); + return -1; +} +#endif /* MIME7TO8 */ diff --git a/contrib/sendmail-8.13.4/sendmail/newaliases.1 b/contrib/sendmail-8.13.4/sendmail/newaliases.1 new file mode 100644 index 0000000000..20fd0e74e2 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/newaliases.1 @@ -0,0 +1,50 @@ +.\" Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1983, 1997 Eric P. Allman. All rights reserved. +.\" Copyright (c) 1985, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: newaliases.1,v 8.19 2001/10/10 03:23:17 ca Exp $ +.\" +.TH NEWALIASES 1 "$Date: 2001/10/10 03:23:17 $" +.SH NAME +newaliases +\- rebuild the data base for the mail aliases file +.SH SYNOPSIS +.B newaliases +.SH DESCRIPTION +.B Newaliases +rebuilds the random access data base for the mail aliases file +/etc/mail/aliases. It must be run each time this file is changed +in order for the change to take effect. +.PP +.B Newaliases +is identical to ``sendmail -bi''. +.PP +The +.B newaliases +utility exits 0 on success, and >0 if an error occurs. +.PP +Notice: do +.B not +use +.B makemap +to create the aliases data base, because +.B newaliases +puts a special token into the data base that is required by +.B sendmail. +.SH FILES +.TP 2i +/etc/mail/aliases +The mail aliases file +.SH SEE ALSO +aliases(5), sendmail(8) +.SH HISTORY +The +.B newaliases +command appeared in 4.0BSD. diff --git a/contrib/sendmail-8.13.4/sendmail/parseaddr.c b/contrib/sendmail-8.13.4/sendmail/parseaddr.c new file mode 100644 index 0000000000..4852ab5b35 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/parseaddr.c @@ -0,0 +1,3235 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: parseaddr.c,v 8.381 2005/02/04 22:01:45 ca Exp $") + +static void allocaddr __P((ADDRESS *, int, char *, ENVELOPE *)); +static int callsubr __P((char**, int, ENVELOPE *)); +static char *map_lookup __P((STAB *, char *, char **, int *, ENVELOPE *)); +static ADDRESS *buildaddr __P((char **, ADDRESS *, int, ENVELOPE *)); +static bool hasctrlchar __P((register char *, bool, bool)); + +/* replacement for illegal characters in addresses */ +#define BAD_CHAR_REPLACEMENT '?' + +/* +** PARSEADDR -- Parse an address +** +** Parses an address and breaks it up into three parts: a +** net to transmit the message on, the host to transmit it +** to, and a user on that host. These are loaded into an +** ADDRESS header with the values squirreled away if necessary. +** The "user" part may not be a real user; the process may +** just reoccur on that machine. For example, on a machine +** with an arpanet connection, the address +** csvax.bill@berkeley +** will break up to a "user" of 'csvax.bill' and a host +** of 'berkeley' -- to be transmitted over the arpanet. +** +** Parameters: +** addr -- the address to parse. +** a -- a pointer to the address descriptor buffer. +** If NULL, an address will be created. +** flags -- describe detail for parsing. See RF_ definitions +** in sendmail.h. +** delim -- the character to terminate the address, passed +** to prescan. +** delimptr -- if non-NULL, set to the location of the +** delim character that was found. +** e -- the envelope that will contain this address. +** isrcpt -- true if the address denotes a recipient; false +** indicates a sender. +** +** Returns: +** A pointer to the address descriptor header (`a' if +** `a' is non-NULL). +** NULL on error. +** +** Side Effects: +** e->e_to = addr +*/ + +/* following delimiters are inherent to the internal algorithms */ +#define DELIMCHARS "()<>,;\r\n" /* default word delimiters */ + +ADDRESS * +parseaddr(addr, a, flags, delim, delimptr, e, isrcpt) + char *addr; + register ADDRESS *a; + int flags; + int delim; + char **delimptr; + register ENVELOPE *e; + bool isrcpt; +{ + char **pvp; + auto char *delimptrbuf; + bool qup; + char pvpbuf[PSBUFSIZE]; + + /* + ** Initialize and prescan address. + */ + + e->e_to = addr; + if (tTd(20, 1)) + sm_dprintf("\n--parseaddr(%s)\n", addr); + + if (delimptr == NULL) + delimptr = &delimptrbuf; + + pvp = prescan(addr, delim, pvpbuf, sizeof pvpbuf, delimptr, NULL, false); + if (pvp == NULL) + { + if (tTd(20, 1)) + sm_dprintf("parseaddr-->NULL\n"); + return NULL; + } + + if (invalidaddr(addr, delim == '\0' ? NULL : *delimptr, isrcpt)) + { + if (tTd(20, 1)) + sm_dprintf("parseaddr-->bad address\n"); + return NULL; + } + + /* + ** Save addr if we are going to have to. + ** + ** We have to do this early because there is a chance that + ** the map lookups in the rewriting rules could clobber + ** static memory somewhere. + */ + + if (bitset(RF_COPYPADDR, flags) && addr != NULL) + { + char savec = **delimptr; + + if (savec != '\0') + **delimptr = '\0'; + e->e_to = addr = sm_rpool_strdup_x(e->e_rpool, addr); + if (savec != '\0') + **delimptr = savec; + } + + /* + ** Apply rewriting rules. + ** Ruleset 0 does basic parsing. It must resolve. + */ + + qup = false; + if (REWRITE(pvp, 3, e) == EX_TEMPFAIL) + qup = true; + if (REWRITE(pvp, 0, e) == EX_TEMPFAIL) + qup = true; + + /* + ** Build canonical address from pvp. + */ + + a = buildaddr(pvp, a, flags, e); + + if (hasctrlchar(a->q_user, isrcpt, true)) + { + if (tTd(20, 1)) + sm_dprintf("parseaddr-->bad q_user\n"); + + /* + ** Just mark the address as bad so DSNs work. + ** hasctrlchar() has to make sure that the address + ** has been sanitized, e.g., shortened. + */ + + a->q_state = QS_BADADDR; + } + + /* + ** Make local copies of the host & user and then + ** transport them out. + */ + + allocaddr(a, flags, addr, e); + if (QS_IS_BADADDR(a->q_state)) + { + /* weed out bad characters in the printable address too */ + (void) hasctrlchar(a->q_paddr, isrcpt, false); + return a; + } + + /* + ** Select a queue directory for recipient addresses. + ** This is done here and in split_across_queue_groups(), + ** but the latter applies to addresses after aliasing, + ** and only if splitting is done. + */ + + if ((a->q_qgrp == NOAQGRP || a->q_qgrp == ENVQGRP) && + !bitset(RF_SENDERADDR|RF_HEADERADDR, flags) && + OpMode != MD_INITALIAS) + { + int r; + + /* call ruleset which should return a queue group name */ + r = rscap(RS_QUEUEGROUP, a->q_user, NULL, e, &pvp, pvpbuf, + sizeof(pvpbuf)); + if (r == EX_OK && + pvp != NULL && pvp[0] != NULL && + (pvp[0][0] & 0377) == CANONNET && + pvp[1] != NULL && pvp[1][0] != '\0') + { + r = name2qid(pvp[1]); + if (r == NOQGRP && LogLevel > 10) + sm_syslog(LOG_INFO, NOQID, + "can't find queue group name %s, selection ignored", + pvp[1]); + if (tTd(20, 4) && r != NOQGRP) + sm_syslog(LOG_INFO, NOQID, + "queue group name %s -> %d", + pvp[1], r); + a->q_qgrp = r == NOQGRP ? ENVQGRP : r; + } + } + + /* + ** If there was a parsing failure, mark it for queueing. + */ + + if (qup && OpMode != MD_INITALIAS) + { + char *msg = "Transient parse error -- message queued for future delivery"; + + if (e->e_sendmode == SM_DEFER) + msg = "Deferring message until queue run"; + if (tTd(20, 1)) + sm_dprintf("parseaddr: queuing message\n"); + message(msg); + if (e->e_message == NULL && e->e_sendmode != SM_DEFER) + e->e_message = sm_rpool_strdup_x(e->e_rpool, msg); + a->q_state = QS_QUEUEUP; + a->q_status = "4.4.3"; + } + + /* + ** Compute return value. + */ + + if (tTd(20, 1)) + { + sm_dprintf("parseaddr-->"); + printaddr(sm_debug_file(), a, false); + } + + return a; +} +/* +** INVALIDADDR -- check for address containing characters used for macros +** +** Parameters: +** addr -- the address to check. +** delimptr -- if non-NULL: end of address to check, i.e., +** a pointer in the address string. +** isrcpt -- true iff the address is for a recipient. +** +** Returns: +** true -- if the address has characters that are reservered +** for macros or is too long. +** false -- otherwise. +*/ + +bool +invalidaddr(addr, delimptr, isrcpt) + register char *addr; + char *delimptr; + bool isrcpt; +{ + bool result = false; + char savedelim = '\0'; + char *b = addr; + int len = 0; + + if (delimptr != NULL) + { + /* delimptr points to the end of the address to test */ + savedelim = *delimptr; + if (savedelim != '\0') /* if that isn't '\0' already: */ + *delimptr = '\0'; /* set it */ + } + for (; *addr != '\0'; addr++) + { + if ((*addr & 0340) == 0200) + { + setstat(EX_USAGE); + result = true; + *addr = BAD_CHAR_REPLACEMENT; + } + if (++len > MAXNAME - 1) + { + char saved = *addr; + + *addr = '\0'; + usrerr("553 5.1.0 Address \"%s\" too long (%d bytes max)", + b, MAXNAME - 1); + *addr = saved; + result = true; + goto delim; + } + } + if (result) + { + if (isrcpt) + usrerr("501 5.1.3 8-bit character in mailbox address \"%s\"", + b); + else + usrerr("501 5.1.7 8-bit character in mailbox address \"%s\"", + b); + } +delim: + if (delimptr != NULL && savedelim != '\0') + *delimptr = savedelim; /* restore old character at delimptr */ + return result; +} +/* +** HASCTRLCHAR -- check for address containing meta-characters +** +** Checks that the address contains no meta-characters, and contains +** no "non-printable" characters unless they are quoted or escaped. +** Quoted or escaped characters are literals. +** +** Parameters: +** addr -- the address to check. +** isrcpt -- true if the address is for a recipient; false +** indicates a from. +** complain -- true if an error should issued if the address +** is invalid and should be "repaired". +** +** Returns: +** true -- if the address has any "wierd" characters or +** non-printable characters or if a quote is unbalanced. +** false -- otherwise. +*/ + +static bool +hasctrlchar(addr, isrcpt, complain) + register char *addr; + bool isrcpt, complain; +{ + bool quoted = false; + int len = 0; + char *result = NULL; + char *b = addr; + + if (addr == NULL) + return false; + for (; *addr != '\0'; addr++) + { + if (++len > MAXNAME - 1) + { + if (complain) + { + (void) shorten_rfc822_string(b, MAXNAME - 1); + usrerr("553 5.1.0 Address \"%s\" too long (%d bytes max)", + b, MAXNAME - 1); + return true; + } + result = "too long"; + } + if (!quoted && (*addr < 32 || *addr == 127)) + { + result = "non-printable character"; + *addr = BAD_CHAR_REPLACEMENT; + continue; + } + if (*addr == '"') + quoted = !quoted; + else if (*addr == '\\') + { + /* XXX Generic problem: no '\0' in strings. */ + if (*++addr == '\0') + { + result = "trailing \\ character"; + *--addr = BAD_CHAR_REPLACEMENT; + break; + } + } + if ((*addr & 0340) == 0200) + { + setstat(EX_USAGE); + result = "8-bit character"; + *addr = BAD_CHAR_REPLACEMENT; + continue; + } + } + if (quoted) + result = "unbalanced quote"; /* unbalanced quote */ + if (result != NULL && complain) + { + if (isrcpt) + usrerr("501 5.1.3 Syntax error in mailbox address \"%s\" (%s)", + b, result); + else + usrerr("501 5.1.7 Syntax error in mailbox address \"%s\" (%s)", + b, result); + } + return result != NULL; +} +/* +** ALLOCADDR -- do local allocations of address on demand. +** +** Also lowercases the host name if requested. +** +** Parameters: +** a -- the address to reallocate. +** flags -- the copy flag (see RF_ definitions in sendmail.h +** for a description). +** paddr -- the printname of the address. +** e -- envelope +** +** Returns: +** none. +** +** Side Effects: +** Copies portions of a into local buffers as requested. +*/ + +static void +allocaddr(a, flags, paddr, e) + register ADDRESS *a; + int flags; + char *paddr; + ENVELOPE *e; +{ + if (tTd(24, 4)) + sm_dprintf("allocaddr(flags=%x, paddr=%s)\n", flags, paddr); + + a->q_paddr = paddr; + + if (a->q_user == NULL) + a->q_user = ""; + if (a->q_host == NULL) + a->q_host = ""; + + if (bitset(RF_COPYPARSE, flags)) + { + a->q_host = sm_rpool_strdup_x(e->e_rpool, a->q_host); + if (a->q_user != a->q_paddr) + a->q_user = sm_rpool_strdup_x(e->e_rpool, a->q_user); + } + + if (a->q_paddr == NULL) + a->q_paddr = sm_rpool_strdup_x(e->e_rpool, a->q_user); + a->q_qgrp = NOAQGRP; +} +/* +** PRESCAN -- Prescan name and make it canonical +** +** Scans a name and turns it into a set of tokens. This process +** deletes blanks and comments (in parentheses) (if the token type +** for left paren is SPC). +** +** This routine knows about quoted strings and angle brackets. +** +** There are certain subtleties to this routine. The one that +** comes to mind now is that backslashes on the ends of names +** are silently stripped off; this is intentional. The problem +** is that some versions of sndmsg (like at LBL) set the kill +** character to something other than @ when reading addresses; +** so people type "csvax.eric\@berkeley" -- which screws up the +** berknet mailer. +** +** Parameters: +** addr -- the name to chomp. +** delim -- the delimiter for the address, normally +** '\0' or ','; \0 is accepted in any case. +** If '\t' then we are reading the .cf file. +** pvpbuf -- place to put the saved text -- note that +** the pointers are static. +** pvpbsize -- size of pvpbuf. +** delimptr -- if non-NULL, set to the location of the +** terminating delimiter. +** toktab -- if set, a token table to use for parsing. +** If NULL, use the default table. +** ignore -- if true, ignore unbalanced addresses +** +** Returns: +** A pointer to a vector of tokens. +** NULL on error. +*/ + +/* states and character types */ +#define OPR 0 /* operator */ +#define ATM 1 /* atom */ +#define QST 2 /* in quoted string */ +#define SPC 3 /* chewing up spaces */ +#define ONE 4 /* pick up one character */ +#define ILL 5 /* illegal character */ + +#define NSTATES 6 /* number of states */ +#define TYPE 017 /* mask to select state type */ + +/* meta bits for table */ +#define M 020 /* meta character; don't pass through */ +#define B 040 /* cause a break */ +#define MB M|B /* meta-break */ + +static short StateTab[NSTATES][NSTATES] = +{ + /* oldst chtype> OPR ATM QST SPC ONE ILL */ + /*OPR*/ { OPR|B, ATM|B, QST|B, SPC|MB, ONE|B, ILL|MB }, + /*ATM*/ { OPR|B, ATM, QST|B, SPC|MB, ONE|B, ILL|MB }, + /*QST*/ { QST, QST, OPR, QST, QST, QST }, + /*SPC*/ { OPR, ATM, QST, SPC|M, ONE, ILL|MB }, + /*ONE*/ { OPR, OPR, OPR, OPR, OPR, ILL|MB }, + /*ILL*/ { OPR|B, ATM|B, QST|B, SPC|MB, ONE|B, ILL|M }, +}; + +/* token type table -- it gets modified with $o characters */ +static unsigned char TokTypeTab[256] = +{ + /* nul soh stx etx eot enq ack bel bs ht nl vt np cr so si */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,SPC,SPC,SPC,SPC,SPC,ATM,ATM, + /* dle dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* sp ! " # $ % & ' ( ) * + , - . / */ + SPC,ATM,QST,ATM,ATM,ATM,ATM,ATM, SPC,SPC,ATM,ATM,ATM,ATM,ATM,ATM, + /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* @ A B C D E F G H I J K L M N O */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* P Q R S T U V W X Y Z [ \ ] ^ _ */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* ` a b c d e f g h i j k l m n o */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* p q r s t u v w x y z { | } ~ del */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + + /* nul soh stx etx eot enq ack bel bs ht nl vt np cr so si */ + OPR,OPR,ONE,OPR,OPR,OPR,OPR,OPR, OPR,OPR,OPR,OPR,OPR,OPR,OPR,OPR, + /* dle dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us */ + OPR,OPR,OPR,ONE,ONE,ONE,OPR,OPR, OPR,OPR,OPR,OPR,OPR,OPR,OPR,OPR, + /* sp ! " # $ % & ' ( ) * + , - . / */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* @ A B C D E F G H I J K L M N O */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* P Q R S T U V W X Y Z [ \ ] ^ _ */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* ` a b c d e f g h i j k l m n o */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* p q r s t u v w x y z { | } ~ del */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, +}; + +/* token type table for MIME parsing */ +unsigned char MimeTokenTab[256] = +{ + /* nul soh stx etx eot enq ack bel bs ht nl vt np cr so si */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,SPC,SPC,SPC,SPC,SPC,ILL,ILL, + /* dle dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* sp ! " # $ % & ' ( ) * + , - . / */ + SPC,ATM,QST,ATM,ATM,ATM,ATM,ATM, SPC,SPC,ATM,ATM,OPR,ATM,ATM,OPR, + /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,OPR,OPR,OPR,OPR,OPR,OPR, + /* @ A B C D E F G H I J K L M N O */ + OPR,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* P Q R S T U V W X Y Z [ \ ] ^ _ */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,OPR,OPR,OPR,ATM,ATM, + /* ` a b c d e f g h i j k l m n o */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* p q r s t u v w x y z { | } ~ del */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + + /* nul soh stx etx eot enq ack bel bs ht nl vt np cr so si */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* dle dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* sp ! " # $ % & ' ( ) * + , - . / */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* @ A B C D E F G H I J K L M N O */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* P Q R S T U V W X Y Z [ \ ] ^ _ */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* ` a b c d e f g h i j k l m n o */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, + /* p q r s t u v w x y z { | } ~ del */ + ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, ILL,ILL,ILL,ILL,ILL,ILL,ILL,ILL, +}; + +/* token type table: don't strip comments */ +unsigned char TokTypeNoC[256] = +{ + /* nul soh stx etx eot enq ack bel bs ht nl vt np cr so si */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,SPC,SPC,SPC,SPC,SPC,ATM,ATM, + /* dle dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* sp ! " # $ % & ' ( ) * + , - . / */ + SPC,ATM,QST,ATM,ATM,ATM,ATM,ATM, OPR,OPR,ATM,ATM,ATM,ATM,ATM,ATM, + /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* @ A B C D E F G H I J K L M N O */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* P Q R S T U V W X Y Z [ \ ] ^ _ */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* ` a b c d e f g h i j k l m n o */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* p q r s t u v w x y z { | } ~ del */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + + /* nul soh stx etx eot enq ack bel bs ht nl vt np cr so si */ + OPR,OPR,ONE,OPR,OPR,OPR,OPR,OPR, OPR,OPR,OPR,OPR,OPR,OPR,OPR,OPR, + /* dle dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us */ + OPR,OPR,OPR,ONE,ONE,ONE,OPR,OPR, OPR,OPR,OPR,OPR,OPR,OPR,OPR,OPR, + /* sp ! " # $ % & ' ( ) * + , - . / */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* @ A B C D E F G H I J K L M N O */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* P Q R S T U V W X Y Z [ \ ] ^ _ */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* ` a b c d e f g h i j k l m n o */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, + /* p q r s t u v w x y z { | } ~ del */ + ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, ATM,ATM,ATM,ATM,ATM,ATM,ATM,ATM, +}; + + +#define NOCHAR (-1) /* signal nothing in lookahead token */ + +char ** +prescan(addr, delim, pvpbuf, pvpbsize, delimptr, toktab, ignore) + char *addr; + int delim; + char pvpbuf[]; + int pvpbsize; + char **delimptr; + unsigned char *toktab; + bool ignore; +{ + register char *p; + register char *q; + register int c; + char **avp; + bool bslashmode; + bool route_syntax; + int cmntcnt; + int anglecnt; + char *tok; + int state; + int newstate; + char *saveto = CurEnv->e_to; + static char *av[MAXATOM + 1]; + static bool firsttime = true; + + if (firsttime) + { + /* initialize the token type table */ + char obuf[50]; + + firsttime = false; + if (OperatorChars == NULL) + { + if (ConfigLevel < 7) + OperatorChars = macvalue('o', CurEnv); + if (OperatorChars == NULL) + OperatorChars = ".:@[]"; + } + expand(OperatorChars, obuf, sizeof obuf - sizeof DELIMCHARS, + CurEnv); + (void) sm_strlcat(obuf, DELIMCHARS, sizeof obuf); + for (p = obuf; *p != '\0'; p++) + { + if (TokTypeTab[*p & 0xff] == ATM) + TokTypeTab[*p & 0xff] = OPR; + if (TokTypeNoC[*p & 0xff] == ATM) + TokTypeNoC[*p & 0xff] = OPR; + } + } + if (toktab == NULL) + toktab = TokTypeTab; + + /* make sure error messages don't have garbage on them */ + errno = 0; + + q = pvpbuf; + bslashmode = false; + route_syntax = false; + cmntcnt = 0; + anglecnt = 0; + avp = av; + state = ATM; + c = NOCHAR; + p = addr; + CurEnv->e_to = p; + if (tTd(22, 11)) + { + sm_dprintf("prescan: "); + xputs(sm_debug_file(), p); + sm_dprintf("\n"); + } + + do + { + /* read a token */ + tok = q; + for (;;) + { + /* store away any old lookahead character */ + if (c != NOCHAR && !bslashmode) + { + /* see if there is room */ + if (q >= &pvpbuf[pvpbsize - 5]) + { + addrtoolong: + usrerr("553 5.1.1 Address too long"); + if (strlen(addr) > MAXNAME) + addr[MAXNAME] = '\0'; + returnnull: + if (delimptr != NULL) + { + if (p > addr) + --p; + *delimptr = p; + } + CurEnv->e_to = saveto; + return NULL; + } + + /* squirrel it away */ +#if !ALLOW_255 + if ((char) c == (char) -1 && !tTd(82, 101)) + c &= 0x7f; +#endif /* !ALLOW_255 */ + *q++ = c; + } + + /* read a new input character */ + c = (*p++) & 0x00ff; + if (c == '\0') + { + /* diagnose and patch up bad syntax */ + if (ignore) + break; + else if (state == QST) + { + usrerr("553 Unbalanced '\"'"); + c = '"'; + } + else if (cmntcnt > 0) + { + usrerr("553 Unbalanced '('"); + c = ')'; + } + else if (anglecnt > 0) + { + c = '>'; + usrerr("553 Unbalanced '<'"); + } + else + break; + + p--; + } + else if (c == delim && cmntcnt <= 0 && state != QST) + { + if (anglecnt <= 0) + break; + + /* special case for better error management */ + if (delim == ',' && !route_syntax && !ignore) + { + usrerr("553 Unbalanced '<'"); + c = '>'; + p--; + } + } + + if (tTd(22, 101)) + sm_dprintf("c=%c, s=%d; ", c, state); + + /* chew up special characters */ + *q = '\0'; + if (bslashmode) + { + bslashmode = false; + + /* kludge \! for naive users */ + if (cmntcnt > 0) + { + c = NOCHAR; + continue; + } + else if (c != '!' || state == QST) + { + /* see if there is room */ + if (q >= &pvpbuf[pvpbsize - 5]) + goto addrtoolong; + *q++ = '\\'; + continue; + } + } + + if (c == '\\') + { + bslashmode = true; + } + else if (state == QST) + { + /* EMPTY */ + /* do nothing, just avoid next clauses */ + } + else if (c == '(' && toktab['('] == SPC) + { + cmntcnt++; + c = NOCHAR; + } + else if (c == ')' && toktab['('] == SPC) + { + if (cmntcnt <= 0) + { + if (!ignore) + { + usrerr("553 Unbalanced ')'"); + c = NOCHAR; + } + } + else + cmntcnt--; + } + else if (cmntcnt > 0) + { + c = NOCHAR; + } + else if (c == '<') + { + char *ptr = p; + + anglecnt++; + while (isascii(*ptr) && isspace(*ptr)) + ptr++; + if (*ptr == '@') + route_syntax = true; + } + else if (c == '>') + { + if (anglecnt <= 0) + { + if (!ignore) + { + usrerr("553 Unbalanced '>'"); + c = NOCHAR; + } + } + else + anglecnt--; + route_syntax = false; + } + else if (delim == ' ' && isascii(c) && isspace(c)) + c = ' '; + + if (c == NOCHAR) + continue; + + /* see if this is end of input */ + if (c == delim && anglecnt <= 0 && state != QST) + break; + + newstate = StateTab[state][toktab[c & 0xff]]; + if (tTd(22, 101)) + sm_dprintf("ns=%02o\n", newstate); + state = newstate & TYPE; + if (state == ILL) + { + if (isascii(c) && isprint(c)) + usrerr("553 Illegal character %c", c); + else + usrerr("553 Illegal character 0x%02x", + c & 0x0ff); + } + if (bitset(M, newstate)) + c = NOCHAR; + if (bitset(B, newstate)) + break; + } + + /* new token */ + if (tok != q) + { + /* see if there is room */ + if (q >= &pvpbuf[pvpbsize - 5]) + goto addrtoolong; + *q++ = '\0'; + if (tTd(22, 36)) + { + sm_dprintf("tok="); + xputs(sm_debug_file(), tok); + sm_dprintf("\n"); + } + if (avp >= &av[MAXATOM]) + { + usrerr("553 5.1.0 prescan: too many tokens"); + goto returnnull; + } + if (q - tok > MAXNAME) + { + usrerr("553 5.1.0 prescan: token too long"); + goto returnnull; + } + *avp++ = tok; + } + } while (c != '\0' && (c != delim || anglecnt > 0)); + *avp = NULL; + if (delimptr != NULL) + { + if (p > addr) + p--; + *delimptr = p; + } + if (tTd(22, 12)) + { + sm_dprintf("prescan==>"); + printav(sm_debug_file(), av); + } + CurEnv->e_to = saveto; + if (av[0] == NULL) + { + if (tTd(22, 1)) + sm_dprintf("prescan: null leading token\n"); + return NULL; + } + return av; +} +/* +** REWRITE -- apply rewrite rules to token vector. +** +** This routine is an ordered production system. Each rewrite +** rule has a LHS (called the pattern) and a RHS (called the +** rewrite); 'rwr' points the the current rewrite rule. +** +** For each rewrite rule, 'avp' points the address vector we +** are trying to match against, and 'pvp' points to the pattern. +** If pvp points to a special match value (MATCHZANY, MATCHANY, +** MATCHONE, MATCHCLASS, MATCHNCLASS) then the address in avp +** matched is saved away in the match vector (pointed to by 'mvp'). +** +** When a match between avp & pvp does not match, we try to +** back out. If we back up over MATCHONE, MATCHCLASS, or MATCHNCLASS +** we must also back out the match in mvp. If we reach a +** MATCHANY or MATCHZANY we just extend the match and start +** over again. +** +** When we finally match, we rewrite the address vector +** and try over again. +** +** Parameters: +** pvp -- pointer to token vector. +** ruleset -- the ruleset to use for rewriting. +** reclevel -- recursion level (to catch loops). +** e -- the current envelope. +** maxatom -- maximum length of buffer (usually MAXATOM) +** +** Returns: +** A status code. If EX_TEMPFAIL, higher level code should +** attempt recovery. +** +** Side Effects: +** pvp is modified. +*/ + +struct match +{ + char **match_first; /* first token matched */ + char **match_last; /* last token matched */ + char **match_pattern; /* pointer to pattern */ +}; + +int +rewrite(pvp, ruleset, reclevel, e, maxatom) + char **pvp; + int ruleset; + int reclevel; + register ENVELOPE *e; + int maxatom; +{ + register char *ap; /* address pointer */ + register char *rp; /* rewrite pointer */ + register char *rulename; /* ruleset name */ + register char *prefix; + register char **avp; /* address vector pointer */ + register char **rvp; /* rewrite vector pointer */ + register struct match *mlp; /* cur ptr into mlist */ + register struct rewrite *rwr; /* pointer to current rewrite rule */ + int ruleno; /* current rule number */ + int rstat = EX_OK; /* return status */ + int loopcount; + struct match mlist[MAXMATCH]; /* stores match on LHS */ + char *npvp[MAXATOM + 1]; /* temporary space for rebuild */ + char buf[MAXLINE]; + char name[6]; + + /* + ** mlp will not exceed mlist[] because readcf enforces + ** the upper limit of entries when reading rulesets. + */ + + if (ruleset < 0 || ruleset >= MAXRWSETS) + { + syserr("554 5.3.5 rewrite: illegal ruleset number %d", ruleset); + return EX_CONFIG; + } + rulename = RuleSetNames[ruleset]; + if (rulename == NULL) + { + (void) sm_snprintf(name, sizeof name, "%d", ruleset); + rulename = name; + } + if (OpMode == MD_TEST) + prefix = ""; + else + prefix = "rewrite: ruleset "; + if (OpMode == MD_TEST) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%s%-16.16s input:", prefix, rulename); + printav(smioout, pvp); + } + else if (tTd(21, 1)) + { + sm_dprintf("%s%-16.16s input:", prefix, rulename); + printav(sm_debug_file(), pvp); + } + if (reclevel++ > MaxRuleRecursion) + { + syserr("rewrite: excessive recursion (max %d), ruleset %s", + MaxRuleRecursion, rulename); + return EX_CONFIG; + } + if (pvp == NULL) + return EX_USAGE; + if (maxatom <= 0) + return EX_USAGE; + + /* + ** Run through the list of rewrite rules, applying + ** any that match. + */ + + ruleno = 1; + loopcount = 0; + for (rwr = RewriteRules[ruleset]; rwr != NULL; ) + { + int status; + + /* if already canonical, quit now */ + if (pvp[0] != NULL && (pvp[0][0] & 0377) == CANONNET) + break; + + if (tTd(21, 12)) + { + if (tTd(21, 15)) + sm_dprintf("-----trying rule (line %d):", + rwr->r_line); + else + sm_dprintf("-----trying rule:"); + printav(sm_debug_file(), rwr->r_lhs); + } + + /* try to match on this rule */ + mlp = mlist; + rvp = rwr->r_lhs; + avp = pvp; + if (++loopcount > 100) + { + syserr("554 5.3.5 Infinite loop in ruleset %s, rule %d", + rulename, ruleno); + if (tTd(21, 1)) + { + sm_dprintf("workspace: "); + printav(sm_debug_file(), pvp); + } + break; + } + + while ((ap = *avp) != NULL || *rvp != NULL) + { + rp = *rvp; + if (tTd(21, 35)) + { + sm_dprintf("ADVANCE rp="); + xputs(sm_debug_file(), rp); + sm_dprintf(", ap="); + xputs(sm_debug_file(), ap); + sm_dprintf("\n"); + } + if (rp == NULL) + { + /* end-of-pattern before end-of-address */ + goto backup; + } + if (ap == NULL && (*rp & 0377) != MATCHZANY && + (*rp & 0377) != MATCHZERO) + { + /* end-of-input with patterns left */ + goto backup; + } + + switch (*rp & 0377) + { + case MATCHCLASS: + /* match any phrase in a class */ + mlp->match_pattern = rvp; + mlp->match_first = avp; + extendclass: + ap = *avp; + if (ap == NULL) + goto backup; + mlp->match_last = avp++; + cataddr(mlp->match_first, mlp->match_last, + buf, sizeof buf, '\0'); + if (!wordinclass(buf, rp[1])) + { + if (tTd(21, 36)) + { + sm_dprintf("EXTEND rp="); + xputs(sm_debug_file(), rp); + sm_dprintf(", ap="); + xputs(sm_debug_file(), ap); + sm_dprintf("\n"); + } + goto extendclass; + } + if (tTd(21, 36)) + sm_dprintf("CLMATCH\n"); + mlp++; + break; + + case MATCHNCLASS: + /* match any token not in a class */ + if (wordinclass(ap, rp[1])) + goto backup; + + /* FALLTHROUGH */ + + case MATCHONE: + case MATCHANY: + /* match exactly one token */ + mlp->match_pattern = rvp; + mlp->match_first = avp; + mlp->match_last = avp++; + mlp++; + break; + + case MATCHZANY: + /* match zero or more tokens */ + mlp->match_pattern = rvp; + mlp->match_first = avp; + mlp->match_last = avp - 1; + mlp++; + break; + + case MATCHZERO: + /* match zero tokens */ + break; + + case MACRODEXPAND: + /* + ** Match against run-time macro. + ** This algorithm is broken for the + ** general case (no recursive macros, + ** improper tokenization) but should + ** work for the usual cases. + */ + + ap = macvalue(rp[1], e); + mlp->match_first = avp; + if (tTd(21, 2)) + sm_dprintf("rewrite: LHS $&{%s} => \"%s\"\n", + macname(rp[1]), + ap == NULL ? "(NULL)" : ap); + + if (ap == NULL) + break; + while (*ap != '\0') + { + if (*avp == NULL || + sm_strncasecmp(ap, *avp, + strlen(*avp)) != 0) + { + /* no match */ + avp = mlp->match_first; + goto backup; + } + ap += strlen(*avp++); + } + + /* match */ + break; + + default: + /* must have exact match */ + if (sm_strcasecmp(rp, ap)) + goto backup; + avp++; + break; + } + + /* successful match on this token */ + rvp++; + continue; + + backup: + /* match failed -- back up */ + while (--mlp >= mlist) + { + rvp = mlp->match_pattern; + rp = *rvp; + avp = mlp->match_last + 1; + ap = *avp; + + if (tTd(21, 36)) + { + sm_dprintf("BACKUP rp="); + xputs(sm_debug_file(), rp); + sm_dprintf(", ap="); + xputs(sm_debug_file(), ap); + sm_dprintf("\n"); + } + + if (ap == NULL) + { + /* run off the end -- back up again */ + continue; + } + if ((*rp & 0377) == MATCHANY || + (*rp & 0377) == MATCHZANY) + { + /* extend binding and continue */ + mlp->match_last = avp++; + rvp++; + mlp++; + break; + } + if ((*rp & 0377) == MATCHCLASS) + { + /* extend binding and try again */ + mlp->match_last = avp; + goto extendclass; + } + } + + if (mlp < mlist) + { + /* total failure to match */ + break; + } + } + + /* + ** See if we successfully matched + */ + + if (mlp < mlist || *rvp != NULL) + { + if (tTd(21, 10)) + sm_dprintf("----- rule fails\n"); + rwr = rwr->r_next; + ruleno++; + loopcount = 0; + continue; + } + + rvp = rwr->r_rhs; + if (tTd(21, 12)) + { + sm_dprintf("-----rule matches:"); + printav(sm_debug_file(), rvp); + } + + rp = *rvp; + if (rp != NULL) + { + if ((*rp & 0377) == CANONUSER) + { + rvp++; + rwr = rwr->r_next; + ruleno++; + loopcount = 0; + } + else if ((*rp & 0377) == CANONHOST) + { + rvp++; + rwr = NULL; + } + } + + /* substitute */ + for (avp = npvp; *rvp != NULL; rvp++) + { + register struct match *m; + register char **pp; + + rp = *rvp; + if ((*rp & 0377) == MATCHREPL) + { + /* substitute from LHS */ + m = &mlist[rp[1] - '1']; + if (m < mlist || m >= mlp) + { + syserr("554 5.3.5 rewrite: ruleset %s: replacement $%c out of bounds", + rulename, rp[1]); + return EX_CONFIG; + } + if (tTd(21, 15)) + { + sm_dprintf("$%c:", rp[1]); + pp = m->match_first; + while (pp <= m->match_last) + { + sm_dprintf(" %p=\"", *pp); + sm_dflush(); + sm_dprintf("%s\"", *pp++); + } + sm_dprintf("\n"); + } + pp = m->match_first; + while (pp <= m->match_last) + { + if (avp >= &npvp[maxatom]) + goto toolong; + *avp++ = *pp++; + } + } + else + { + /* some sort of replacement */ + if (avp >= &npvp[maxatom]) + { + toolong: + syserr("554 5.3.0 rewrite: expansion too long"); + if (LogLevel > 9) + sm_syslog(LOG_ERR, e->e_id, + "rewrite: expansion too long, ruleset=%s, ruleno=%d", + rulename, ruleno); + return EX_DATAERR; + } + if ((*rp & 0377) != MACRODEXPAND) + { + /* vanilla replacement */ + *avp++ = rp; + } + else + { + /* $&{x} replacement */ + char *mval = macvalue(rp[1], e); + char **xpvp; + int trsize = 0; + static size_t pvpb1_size = 0; + static char **pvpb1 = NULL; + char pvpbuf[PSBUFSIZE]; + + if (tTd(21, 2)) + sm_dprintf("rewrite: RHS $&{%s} => \"%s\"\n", + macname(rp[1]), + mval == NULL ? "(NULL)" : mval); + if (mval == NULL || *mval == '\0') + continue; + + /* save the remainder of the input */ + for (xpvp = pvp; *xpvp != NULL; xpvp++) + trsize += sizeof *xpvp; + if ((size_t) trsize > pvpb1_size) + { + if (pvpb1 != NULL) + sm_free(pvpb1); + pvpb1 = (char **) + sm_pmalloc_x(trsize); + pvpb1_size = trsize; + } + + memmove((char *) pvpb1, + (char *) pvp, + trsize); + + /* scan the new replacement */ + xpvp = prescan(mval, '\0', pvpbuf, + sizeof pvpbuf, NULL, + NULL, false); + if (xpvp == NULL) + { + /* prescan pre-printed error */ + return EX_DATAERR; + } + + /* insert it into the output stream */ + while (*xpvp != NULL) + { + if (tTd(21, 19)) + sm_dprintf(" ... %s\n", + *xpvp); + *avp++ = sm_rpool_strdup_x( + e->e_rpool, *xpvp); + if (avp >= &npvp[maxatom]) + goto toolong; + xpvp++; + } + if (tTd(21, 19)) + sm_dprintf(" ... DONE\n"); + + /* restore the old trailing input */ + memmove((char *) pvp, + (char *) pvpb1, + trsize); + } + } + } + *avp++ = NULL; + + /* + ** Check for any hostname/keyword lookups. + */ + + for (rvp = npvp; *rvp != NULL; rvp++) + { + char **hbrvp; + char **xpvp; + int trsize; + char *replac; + int endtoken; + STAB *map; + char *mapname; + char **key_rvp; + char **arg_rvp; + char **default_rvp; + char cbuf[MAXNAME + 1]; + char *pvpb1[MAXATOM + 1]; + char *argvect[MAX_MAP_ARGS]; + char pvpbuf[PSBUFSIZE]; + char *nullpvp[1]; + + if ((**rvp & 0377) != HOSTBEGIN && + (**rvp & 0377) != LOOKUPBEGIN) + continue; + + /* + ** Got a hostname/keyword lookup. + ** + ** This could be optimized fairly easily. + */ + + hbrvp = rvp; + if ((**rvp & 0377) == HOSTBEGIN) + { + endtoken = HOSTEND; + mapname = "host"; + } + else + { + endtoken = LOOKUPEND; + mapname = *++rvp; + if (mapname == NULL) + syserr("554 5.3.0 rewrite: missing mapname"); + } + map = stab(mapname, ST_MAP, ST_FIND); + if (map == NULL) + syserr("554 5.3.0 rewrite: map %s not found", + mapname); + + /* extract the match part */ + key_rvp = ++rvp; + if (key_rvp == NULL) + syserr("554 5.3.0 rewrite: missing key for map %s", + mapname); + default_rvp = NULL; + arg_rvp = argvect; + xpvp = NULL; + replac = pvpbuf; + while (*rvp != NULL && (**rvp & 0377) != endtoken) + { + int nodetype = **rvp & 0377; + + if (nodetype != CANONHOST && + nodetype != CANONUSER) + { + rvp++; + continue; + } + + *rvp++ = NULL; + + if (xpvp != NULL) + { + cataddr(xpvp, NULL, replac, + &pvpbuf[sizeof pvpbuf] - replac, + '\0'); + if (arg_rvp < + &argvect[MAX_MAP_ARGS - 1]) + *++arg_rvp = replac; + replac += strlen(replac) + 1; + xpvp = NULL; + } + switch (nodetype) + { + case CANONHOST: + xpvp = rvp; + break; + + case CANONUSER: + default_rvp = rvp; + break; + } + } + if (*rvp != NULL) + *rvp++ = NULL; + if (xpvp != NULL) + { + cataddr(xpvp, NULL, replac, + &pvpbuf[sizeof pvpbuf] - replac, + '\0'); + if (arg_rvp < &argvect[MAX_MAP_ARGS - 1]) + *++arg_rvp = replac; + } + if (arg_rvp >= &argvect[MAX_MAP_ARGS - 1]) + argvect[MAX_MAP_ARGS - 1] = NULL; + else + *++arg_rvp = NULL; + + /* save the remainder of the input string */ + trsize = (int) (avp - rvp + 1) * sizeof *rvp; + memmove((char *) pvpb1, (char *) rvp, trsize); + + /* look it up */ + cataddr(key_rvp, NULL, cbuf, sizeof cbuf, + map == NULL ? '\0' : map->s_map.map_spacesub); + argvect[0] = cbuf; + replac = map_lookup(map, cbuf, argvect, &rstat, e); + + /* if no replacement, use default */ + if (replac == NULL && default_rvp != NULL) + { + /* create the default */ + cataddr(default_rvp, NULL, cbuf, sizeof cbuf, '\0'); + replac = cbuf; + } + + if (replac == NULL) + { + xpvp = key_rvp; + } + else if (*replac == '\0') + { + /* null replacement */ + nullpvp[0] = NULL; + xpvp = nullpvp; + } + else + { + /* scan the new replacement */ + xpvp = prescan(replac, '\0', pvpbuf, + sizeof pvpbuf, NULL, NULL, false); + if (xpvp == NULL) + { + /* prescan already printed error */ + return EX_DATAERR; + } + } + + /* append it to the token list */ + for (avp = hbrvp; *xpvp != NULL; xpvp++) + { + *avp++ = sm_rpool_strdup_x(e->e_rpool, *xpvp); + if (avp >= &npvp[maxatom]) + goto toolong; + } + + /* restore the old trailing information */ + rvp = avp - 1; + for (xpvp = pvpb1; (*avp++ = *xpvp++) != NULL; ) + if (avp >= &npvp[maxatom]) + goto toolong; + } + + /* + ** Check for subroutine calls. + */ + + status = callsubr(npvp, reclevel, e); + if (rstat == EX_OK || status == EX_TEMPFAIL) + rstat = status; + + /* copy vector back into original space. */ + for (avp = npvp; *avp++ != NULL;) + continue; + memmove((char *) pvp, (char *) npvp, + (int) (avp - npvp) * sizeof *avp); + + if (tTd(21, 4)) + { + sm_dprintf("rewritten as:"); + printav(sm_debug_file(), pvp); + } + } + + if (OpMode == MD_TEST) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%s%-16.16s returns:", prefix, rulename); + printav(smioout, pvp); + } + else if (tTd(21, 1)) + { + sm_dprintf("%s%-16.16s returns:", prefix, rulename); + printav(sm_debug_file(), pvp); + } + return rstat; +} +/* +** CALLSUBR -- call subroutines in rewrite vector +** +** Parameters: +** pvp -- pointer to token vector. +** reclevel -- the current recursion level. +** e -- the current envelope. +** +** Returns: +** The status from the subroutine call. +** +** Side Effects: +** pvp is modified. +*/ + +static int +callsubr(pvp, reclevel, e) + char **pvp; + int reclevel; + ENVELOPE *e; +{ + char **avp; + register int i; + int subr, j; + int nsubr; + int status; + int rstat = EX_OK; +#define MAX_SUBR 16 + int subrnumber[MAX_SUBR]; + int subrindex[MAX_SUBR]; + + nsubr = 0; + + /* + ** Look for subroutine calls in pvp, collect them into subr*[] + ** We will perform the calls in the next loop, because we will + ** call the "last" subroutine first to avoid recursive calls + ** and too much copying. + */ + + for (avp = pvp, j = 0; *avp != NULL; avp++, j++) + { + if ((**avp & 0377) == CALLSUBR && avp[1] != NULL) + { + stripquotes(avp[1]); + subr = strtorwset(avp[1], NULL, ST_FIND); + if (subr < 0) + { + syserr("554 5.3.5 Unknown ruleset %s", avp[1]); + return EX_CONFIG; + } + + /* + ** XXX instead of doing this we could optimize + ** the rules after reading them: just remove + ** calls to empty rulesets + */ + + /* subroutine is an empty ruleset? don't call it */ + if (RewriteRules[subr] == NULL) + { + if (tTd(21, 3)) + sm_dprintf("-----skip subr %s (%d)\n", + avp[1], subr); + for (i = 2; avp[i] != NULL; i++) + avp[i - 2] = avp[i]; + avp[i - 2] = NULL; + continue; + } + if (++nsubr >= MAX_SUBR) + { + syserr("554 5.3.0 Too many subroutine calls (%d max)", + MAX_SUBR); + return EX_CONFIG; + } + subrnumber[nsubr] = subr; + subrindex[nsubr] = j; + } + } + + /* + ** Perform the actual subroutines calls, "last" one first, i.e., + ** go from the right to the left through all calls, + ** do the rewriting in place. + */ + + for (; nsubr > 0; nsubr--) + { + subr = subrnumber[nsubr]; + avp = pvp + subrindex[nsubr]; + + /* remove the subroutine call and name */ + for (i = 2; avp[i] != NULL; i++) + avp[i - 2] = avp[i]; + avp[i - 2] = NULL; + + /* + ** Now we need to call the ruleset specified for + ** the subroutine. We can do this in place since + ** we call the "last" subroutine first. + */ + + status = rewrite(avp, subr, reclevel, e, + MAXATOM - subrindex[nsubr]); + if (status != EX_OK && status != EX_TEMPFAIL) + return status; + if (rstat == EX_OK || status == EX_TEMPFAIL) + rstat = status; + } + return rstat; +} +/* +** MAP_LOOKUP -- do lookup in map +** +** Parameters: +** smap -- the map to use for the lookup. +** key -- the key to look up. +** argvect -- arguments to pass to the map lookup. +** pstat -- a pointer to an integer in which to store the +** status from the lookup. +** e -- the current envelope. +** +** Returns: +** The result of the lookup. +** NULL -- if there was no data for the given key. +*/ + +static char * +map_lookup(smap, key, argvect, pstat, e) + STAB *smap; + char key[]; + char **argvect; + int *pstat; + ENVELOPE *e; +{ + auto int status = EX_OK; + MAP *map; + char *replac; + + if (smap == NULL) + return NULL; + + map = &smap->s_map; + DYNOPENMAP(map); + + if (e->e_sendmode == SM_DEFER && + bitset(MF_DEFER, map->map_mflags)) + { + /* don't do any map lookups */ + if (tTd(60, 1)) + sm_dprintf("map_lookup(%s, %s) => DEFERRED\n", + smap->s_name, key); + *pstat = EX_TEMPFAIL; + return NULL; + } + + if (!bitset(MF_KEEPQUOTES, map->map_mflags)) + stripquotes(key); + + if (tTd(60, 1)) + { + sm_dprintf("map_lookup(%s, %s", smap->s_name, key); + if (tTd(60, 5)) + { + int i; + + for (i = 0; argvect[i] != NULL; i++) + sm_dprintf(", %%%d=%s", i, argvect[i]); + } + sm_dprintf(") => "); + } + replac = (*map->map_class->map_lookup)(map, key, argvect, &status); + if (tTd(60, 1)) + sm_dprintf("%s (%d)\n", + replac != NULL ? replac : "NOT FOUND", + status); + + /* should recover if status == EX_TEMPFAIL */ + if (status == EX_TEMPFAIL && !bitset(MF_NODEFER, map->map_mflags)) + { + *pstat = EX_TEMPFAIL; + if (tTd(60, 1)) + sm_dprintf("map_lookup(%s, %s) tempfail: errno=%d\n", + smap->s_name, key, errno); + if (e->e_message == NULL) + { + char mbuf[320]; + + (void) sm_snprintf(mbuf, sizeof mbuf, + "%.80s map: lookup (%s): deferred", + smap->s_name, + shortenstring(key, MAXSHORTSTR)); + e->e_message = sm_rpool_strdup_x(e->e_rpool, mbuf); + } + } + if (status == EX_TEMPFAIL && map->map_tapp != NULL) + { + size_t i = strlen(key) + strlen(map->map_tapp) + 1; + static char *rwbuf = NULL; + static size_t rwbuflen = 0; + + if (i > rwbuflen) + { + if (rwbuf != NULL) + sm_free(rwbuf); + rwbuflen = i; + rwbuf = (char *) sm_pmalloc_x(rwbuflen); + } + (void) sm_strlcpyn(rwbuf, rwbuflen, 2, key, map->map_tapp); + if (tTd(60, 4)) + sm_dprintf("map_lookup tempfail: returning \"%s\"\n", + rwbuf); + return rwbuf; + } + return replac; +} +/* +** INITERRMAILERS -- initialize error and discard mailers +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** initializes error and discard mailers. +*/ + +static MAILER discardmailer; +static MAILER errormailer; +static char *discardargv[] = { "DISCARD", NULL }; +static char *errorargv[] = { "ERROR", NULL }; + +void +initerrmailers() +{ + if (discardmailer.m_name == NULL) + { + /* initialize the discard mailer */ + discardmailer.m_name = "*discard*"; + discardmailer.m_mailer = "DISCARD"; + discardmailer.m_argv = discardargv; + } + if (errormailer.m_name == NULL) + { + /* initialize the bogus mailer */ + errormailer.m_name = "*error*"; + errormailer.m_mailer = "ERROR"; + errormailer.m_argv = errorargv; + } +} +/* +** BUILDADDR -- build address from token vector. +** +** Parameters: +** tv -- token vector. +** a -- pointer to address descriptor to fill. +** If NULL, one will be allocated. +** flags -- info regarding whether this is a sender or +** a recipient. +** e -- the current envelope. +** +** Returns: +** NULL if there was an error. +** 'a' otherwise. +** +** Side Effects: +** fills in 'a' +*/ + +static struct errcodes +{ + char *ec_name; /* name of error code */ + int ec_code; /* numeric code */ +} ErrorCodes[] = +{ + { "usage", EX_USAGE }, + { "nouser", EX_NOUSER }, + { "nohost", EX_NOHOST }, + { "unavailable", EX_UNAVAILABLE }, + { "software", EX_SOFTWARE }, + { "tempfail", EX_TEMPFAIL }, + { "protocol", EX_PROTOCOL }, + { "config", EX_CONFIG }, + { NULL, EX_UNAVAILABLE } +}; + +static ADDRESS * +buildaddr(tv, a, flags, e) + register char **tv; + register ADDRESS *a; + int flags; + register ENVELOPE *e; +{ + bool tempfail = false; + int maxatom; + struct mailer **mp; + register struct mailer *m; + register char *p; + char *mname; + char **hostp; + char hbuf[MAXNAME + 1]; + static char ubuf[MAXNAME + 2]; + + if (tTd(24, 5)) + { + sm_dprintf("buildaddr, flags=%x, tv=", flags); + printav(sm_debug_file(), tv); + } + + maxatom = MAXATOM; + if (a == NULL) + a = (ADDRESS *) sm_rpool_malloc_x(e->e_rpool, sizeof *a); + memset((char *) a, '\0', sizeof *a); + hbuf[0] = '\0'; + + /* set up default error return flags */ + a->q_flags |= DefaultNotify; + + /* figure out what net/mailer to use */ + if (*tv == NULL || (**tv & 0377) != CANONNET) + { + syserr("554 5.3.5 buildaddr: no mailer in parsed address"); +badaddr: + /* + ** ExitStat may have been set by an earlier map open + ** failure (to a permanent error (EX_OSERR) in syserr()) + ** so we also need to check if this particular $#error + ** return wanted a 4XX failure. + ** + ** XXX the real fix is probably to set ExitStat correctly, + ** i.e., to EX_TEMPFAIL if the map open is just a temporary + ** error. + */ + + if (ExitStat == EX_TEMPFAIL || tempfail) + a->q_state = QS_QUEUEUP; + else + { + a->q_state = QS_BADADDR; + a->q_mailer = &errormailer; + } + return a; + } + mname = *++tv; + --maxatom; + + /* extract host and user portions */ + if (*++tv != NULL && (**tv & 0377) == CANONHOST) + { + hostp = ++tv; + --maxatom; + } + else + hostp = NULL; + --maxatom; + while (*tv != NULL && (**tv & 0377) != CANONUSER) + { + tv++; + --maxatom; + } + if (*tv == NULL) + { + syserr("554 5.3.5 buildaddr: no user"); + goto badaddr; + } + if (tv == hostp) + hostp = NULL; + else if (hostp != NULL) + cataddr(hostp, tv - 1, hbuf, sizeof hbuf, '\0'); + cataddr(++tv, NULL, ubuf, sizeof ubuf, ' '); + --maxatom; + + /* save away the host name */ + if (sm_strcasecmp(mname, "error") == 0) + { + /* Set up triplet for use by -bv */ + a->q_mailer = &errormailer; + a->q_user = sm_rpool_strdup_x(e->e_rpool, ubuf); + /* XXX wrong place? */ + + if (hostp != NULL) + { + register struct errcodes *ep; + + a->q_host = sm_rpool_strdup_x(e->e_rpool, hbuf); + if (strchr(hbuf, '.') != NULL) + { + a->q_status = sm_rpool_strdup_x(e->e_rpool, + hbuf); + setstat(dsntoexitstat(hbuf)); + } + else if (isascii(hbuf[0]) && isdigit(hbuf[0])) + { + setstat(atoi(hbuf)); + } + else + { + for (ep = ErrorCodes; ep->ec_name != NULL; ep++) + if (sm_strcasecmp(ep->ec_name, hbuf) == 0) + break; + setstat(ep->ec_code); + } + } + else + { + a->q_host = NULL; + setstat(EX_UNAVAILABLE); + } + stripquotes(ubuf); + if (ISSMTPCODE(ubuf) && ubuf[3] == ' ') + { + char fmt[16]; + int off; + + if ((off = isenhsc(ubuf + 4, ' ')) > 0) + { + ubuf[off + 4] = '\0'; + off += 5; + } + else + { + off = 4; + ubuf[3] = '\0'; + } + (void) sm_strlcpyn(fmt, sizeof fmt, 2, ubuf, " %s"); + if (off > 4) + usrerr(fmt, ubuf + off); + else if (isenhsc(hbuf, '\0') > 0) + usrerrenh(hbuf, fmt, ubuf + off); + else + usrerr(fmt, ubuf + off); + /* XXX ubuf[off - 1] = ' '; */ + if (ubuf[0] == '4') + tempfail = true; + } + else + { + usrerr("553 5.3.0 %s", ubuf); + } + goto badaddr; + } + + for (mp = Mailer; (m = *mp++) != NULL; ) + { + if (sm_strcasecmp(m->m_name, mname) == 0) + break; + } + if (m == NULL) + { + syserr("554 5.3.5 buildaddr: unknown mailer %s", mname); + goto badaddr; + } + a->q_mailer = m; + + /* figure out what host (if any) */ + if (hostp == NULL) + { + if (!bitnset(M_LOCALMAILER, m->m_flags)) + { + syserr("554 5.3.5 buildaddr: no host"); + goto badaddr; + } + a->q_host = NULL; + } + else + a->q_host = sm_rpool_strdup_x(e->e_rpool, hbuf); + + /* figure out the user */ + p = ubuf; + if (bitnset(M_CHECKUDB, m->m_flags) && *p == '@') + { + p++; + tv++; + --maxatom; + a->q_flags |= QNOTREMOTE; + } + + /* do special mapping for local mailer */ + if (*p == '"') + p++; + if (*p == '|' && bitnset(M_CHECKPROG, m->m_flags)) + a->q_mailer = m = ProgMailer; + else if (*p == '/' && bitnset(M_CHECKFILE, m->m_flags)) + a->q_mailer = m = FileMailer; + else if (*p == ':' && bitnset(M_CHECKINCLUDE, m->m_flags)) + { + /* may be :include: */ + stripquotes(ubuf); + if (sm_strncasecmp(ubuf, ":include:", 9) == 0) + { + /* if :include:, don't need further rewriting */ + a->q_mailer = m = InclMailer; + a->q_user = sm_rpool_strdup_x(e->e_rpool, &ubuf[9]); + return a; + } + } + + /* rewrite according recipient mailer rewriting rules */ + macdefine(&e->e_macro, A_PERM, 'h', a->q_host); + + if (ConfigLevel >= 10 || + !bitset(RF_SENDERADDR|RF_HEADERADDR, flags)) + { + /* sender addresses done later */ + (void) rewrite(tv, 2, 0, e, maxatom); + if (m->m_re_rwset > 0) + (void) rewrite(tv, m->m_re_rwset, 0, e, maxatom); + } + (void) rewrite(tv, 4, 0, e, maxatom); + + /* save the result for the command line/RCPT argument */ + cataddr(tv, NULL, ubuf, sizeof ubuf, '\0'); + a->q_user = sm_rpool_strdup_x(e->e_rpool, ubuf); + + /* + ** Do mapping to lower case as requested by mailer + */ + + if (a->q_host != NULL && !bitnset(M_HST_UPPER, m->m_flags)) + makelower(a->q_host); + if (!bitnset(M_USR_UPPER, m->m_flags)) + makelower(a->q_user); + + if (tTd(24, 6)) + { + sm_dprintf("buildaddr => "); + printaddr(sm_debug_file(), a, false); + } + return a; +} + +/* +** CATADDR -- concatenate pieces of addresses (putting in subs) +** +** Parameters: +** pvp -- parameter vector to rebuild. +** evp -- last parameter to include. Can be NULL to +** use entire pvp. +** buf -- buffer to build the string into. +** sz -- size of buf. +** spacesub -- the space separator character; if '\0', +** use SpaceSub. +** +** Returns: +** none. +** +** Side Effects: +** Destroys buf. +*/ + +void +cataddr(pvp, evp, buf, sz, spacesub) + char **pvp; + char **evp; + char *buf; + register int sz; + int spacesub; +{ + bool oatomtok = false; + bool natomtok = false; + register int i; + register char *p; + + if (sz <= 0) + return; + + if (spacesub == '\0') + spacesub = SpaceSub; + + if (pvp == NULL) + { + *buf = '\0'; + return; + } + p = buf; + sz -= 2; + while (*pvp != NULL && sz > 0) + { + natomtok = (TokTypeTab[**pvp & 0xff] == ATM); + if (oatomtok && natomtok) + { + *p++ = spacesub; + if (--sz <= 0) + break; + } + i = sm_strlcpy(p, *pvp, sz); + sz -= i; + if (sz <= 0) + break; + oatomtok = natomtok; + p += i; + if (pvp++ == evp) + break; + } + +#if 0 + /* + ** Silently truncate long strings: even though this doesn't + ** seem like a good idea it is necessary because header checks + ** send the whole header value to rscheck() and hence rewrite(). + ** The latter however sometimes uses a "short" buffer (e.g., + ** cbuf[MAXNAME + 1]) to call cataddr() which then triggers this + ** error function. One possible fix to the problem is to pass + ** flags to rscheck() and rewrite() to distinguish the various + ** calls and only trigger the error if necessary. For now just + ** undo the change from 8.13.0. + */ + + if (sz <= 0) + usrerr("cataddr: string too long"); +#endif + *p = '\0'; +} +/* +** SAMEADDR -- Determine if two addresses are the same +** +** This is not just a straight comparison -- if the mailer doesn't +** care about the host we just ignore it, etc. +** +** Parameters: +** a, b -- pointers to the internal forms to compare. +** +** Returns: +** true -- they represent the same mailbox. +** false -- they don't. +** +** Side Effects: +** none. +*/ + +bool +sameaddr(a, b) + register ADDRESS *a; + register ADDRESS *b; +{ + register ADDRESS *ca, *cb; + + /* if they don't have the same mailer, forget it */ + if (a->q_mailer != b->q_mailer) + return false; + + /* if the user isn't the same, we can drop out */ + if (strcmp(a->q_user, b->q_user) != 0) + return false; + + /* if we have good uids for both but they differ, these are different */ + if (a->q_mailer == ProgMailer) + { + ca = getctladdr(a); + cb = getctladdr(b); + if (ca != NULL && cb != NULL && + bitset(QGOODUID, ca->q_flags & cb->q_flags) && + ca->q_uid != cb->q_uid) + return false; + } + + /* otherwise compare hosts (but be careful for NULL ptrs) */ + if (a->q_host == b->q_host) + { + /* probably both null pointers */ + return true; + } + if (a->q_host == NULL || b->q_host == NULL) + { + /* only one is a null pointer */ + return false; + } + if (strcmp(a->q_host, b->q_host) != 0) + return false; + + return true; +} +/* +** PRINTADDR -- print address (for debugging) +** +** Parameters: +** a -- the address to print +** follow -- follow the q_next chain. +** +** Returns: +** none. +** +** Side Effects: +** none. +*/ + +struct qflags +{ + char *qf_name; + unsigned long qf_bit; +}; + +static struct qflags AddressFlags[] = +{ + { "QGOODUID", QGOODUID }, + { "QPRIMARY", QPRIMARY }, + { "QNOTREMOTE", QNOTREMOTE }, + { "QSELFREF", QSELFREF }, + { "QBOGUSSHELL", QBOGUSSHELL }, + { "QUNSAFEADDR", QUNSAFEADDR }, + { "QPINGONSUCCESS", QPINGONSUCCESS }, + { "QPINGONFAILURE", QPINGONFAILURE }, + { "QPINGONDELAY", QPINGONDELAY }, + { "QHASNOTIFY", QHASNOTIFY }, + { "QRELAYED", QRELAYED }, + { "QEXPANDED", QEXPANDED }, + { "QDELIVERED", QDELIVERED }, + { "QDELAYED", QDELAYED }, + { "QTHISPASS", QTHISPASS }, + { "QRCPTOK", QRCPTOK }, + { NULL, 0 } +}; + +void +printaddr(fp, a, follow) + SM_FILE_T *fp; + register ADDRESS *a; + bool follow; +{ + register MAILER *m; + MAILER pseudomailer; + register struct qflags *qfp; + bool firstone; + + if (a == NULL) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "[NULL]\n"); + return; + } + + while (a != NULL) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%p=", a); + (void) sm_io_flush(fp, SM_TIME_DEFAULT); + + /* find the mailer -- carefully */ + m = a->q_mailer; + if (m == NULL) + { + m = &pseudomailer; + m->m_mno = -1; + m->m_name = "NULL"; + } + + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "%s:\n\tmailer %d (%s), host `%s'\n", + a->q_paddr == NULL ? "" : a->q_paddr, + m->m_mno, m->m_name, + a->q_host == NULL ? "" : a->q_host); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "\tuser `%s', ruser `%s'\n", + a->q_user, + a->q_ruser == NULL ? "" : a->q_ruser); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "\tstate="); + switch (a->q_state) + { + case QS_OK: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "OK"); + break; + + case QS_DONTSEND: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "DONTSEND"); + break; + + case QS_BADADDR: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "BADADDR"); + break; + + case QS_QUEUEUP: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "QUEUEUP"); + break; + + case QS_RETRY: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "RETRY"); + break; + + case QS_SENT: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "SENT"); + break; + + case QS_VERIFIED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "VERIFIED"); + break; + + case QS_EXPANDED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "EXPANDED"); + break; + + case QS_SENDER: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "SENDER"); + break; + + case QS_CLONED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "CLONED"); + break; + + case QS_DISCARDED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "DISCARDED"); + break; + + case QS_REPLACED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "REPLACED"); + break; + + case QS_REMOVED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "REMOVED"); + break; + + case QS_DUPLICATE: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "DUPLICATE"); + break; + + case QS_INCLUDED: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "INCLUDED"); + break; + + default: + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "%d", a->q_state); + break; + } + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + ", next=%p, alias %p, uid %d, gid %d\n", + a->q_next, a->q_alias, + (int) a->q_uid, (int) a->q_gid); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "\tflags=%lx<", + a->q_flags); + firstone = true; + for (qfp = AddressFlags; qfp->qf_name != NULL; qfp++) + { + if (!bitset(qfp->qf_bit, a->q_flags)) + continue; + if (!firstone) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + ","); + firstone = false; + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", + qfp->qf_name); + } + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, ">\n"); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "\towner=%s, home=\"%s\", fullname=\"%s\"\n", + a->q_owner == NULL ? "(none)" : a->q_owner, + a->q_home == NULL ? "(none)" : a->q_home, + a->q_fullname == NULL ? "(none)" : a->q_fullname); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "\torcpt=\"%s\", statmta=%s, status=%s\n", + a->q_orcpt == NULL ? "(none)" : a->q_orcpt, + a->q_statmta == NULL ? "(none)" : a->q_statmta, + a->q_status == NULL ? "(none)" : a->q_status); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "\tfinalrcpt=\"%s\"\n", + a->q_finalrcpt == NULL ? "(none)" : a->q_finalrcpt); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "\trstatus=\"%s\"\n", + a->q_rstatus == NULL ? "(none)" : a->q_rstatus); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "\tstatdate=%s\n", + a->q_statdate == 0 ? "(none)" : ctime(&a->q_statdate)); + + if (!follow) + return; + a = a->q_next; + } +} +/* +** EMPTYADDR -- return true if this address is empty (``<>'') +** +** Parameters: +** a -- pointer to the address +** +** Returns: +** true -- if this address is "empty" (i.e., no one should +** ever generate replies to it. +** false -- if it is a "regular" (read: replyable) address. +*/ + +bool +emptyaddr(a) + register ADDRESS *a; +{ + return a->q_paddr == NULL || strcmp(a->q_paddr, "<>") == 0 || + a->q_user == NULL || strcmp(a->q_user, "<>") == 0; +} +/* +** REMOTENAME -- return the name relative to the current mailer +** +** Parameters: +** name -- the name to translate. +** m -- the mailer that we want to do rewriting relative to. +** flags -- fine tune operations. +** pstat -- pointer to status word. +** e -- the current envelope. +** +** Returns: +** the text string representing this address relative to +** the receiving mailer. +** +** Side Effects: +** none. +** +** Warnings: +** The text string returned is tucked away locally; +** copy it if you intend to save it. +*/ + +char * +remotename(name, m, flags, pstat, e) + char *name; + struct mailer *m; + int flags; + int *pstat; + register ENVELOPE *e; +{ + register char **pvp; + char *SM_NONVOLATILE fancy; + char *oldg; + int rwset; + static char buf[MAXNAME + 1]; + char lbuf[MAXNAME + 1]; + char pvpbuf[PSBUFSIZE]; + char addrtype[4]; + + if (tTd(12, 1)) + sm_dprintf("remotename(%s)\n", name); + + /* don't do anything if we are tagging it as special */ + if (bitset(RF_SENDERADDR, flags)) + { + rwset = bitset(RF_HEADERADDR, flags) ? m->m_sh_rwset + : m->m_se_rwset; + addrtype[2] = 's'; + } + else + { + rwset = bitset(RF_HEADERADDR, flags) ? m->m_rh_rwset + : m->m_re_rwset; + addrtype[2] = 'r'; + } + if (rwset < 0) + return name; + addrtype[1] = ' '; + addrtype[3] = '\0'; + addrtype[0] = bitset(RF_HEADERADDR, flags) ? 'h' : 'e'; + macdefine(&e->e_macro, A_TEMP, macid("{addr_type}"), addrtype); + + /* + ** Do a heuristic crack of this name to extract any comment info. + ** This will leave the name as a comment and a $g macro. + */ + + if (bitset(RF_CANONICAL, flags) || bitnset(M_NOCOMMENT, m->m_flags)) + fancy = "\201g"; + else + fancy = crackaddr(name, e); + + /* + ** Turn the name into canonical form. + ** Normally this will be RFC 822 style, i.e., "user@domain". + ** If this only resolves to "user", and the "C" flag is + ** specified in the sending mailer, then the sender's + ** domain will be appended. + */ + + pvp = prescan(name, '\0', pvpbuf, sizeof pvpbuf, NULL, NULL, false); + if (pvp == NULL) + return name; + if (REWRITE(pvp, 3, e) == EX_TEMPFAIL) + *pstat = EX_TEMPFAIL; + if (bitset(RF_ADDDOMAIN, flags) && e->e_fromdomain != NULL) + { + /* append from domain to this address */ + register char **pxp = pvp; + int l = MAXATOM; /* size of buffer for pvp */ + + /* see if there is an "@domain" in the current name */ + while (*pxp != NULL && strcmp(*pxp, "@") != 0) + { + pxp++; + --l; + } + if (*pxp == NULL) + { + /* no.... append the "@domain" from the sender */ + register char **qxq = e->e_fromdomain; + + while ((*pxp++ = *qxq++) != NULL) + { + if (--l <= 0) + { + *--pxp = NULL; + usrerr("553 5.1.0 remotename: too many tokens"); + *pstat = EX_UNAVAILABLE; + break; + } + } + if (REWRITE(pvp, 3, e) == EX_TEMPFAIL) + *pstat = EX_TEMPFAIL; + } + } + + /* + ** Do more specific rewriting. + ** Rewrite using ruleset 1 or 2 depending on whether this is + ** a sender address or not. + ** Then run it through any receiving-mailer-specific rulesets. + */ + + if (bitset(RF_SENDERADDR, flags)) + { + if (REWRITE(pvp, 1, e) == EX_TEMPFAIL) + *pstat = EX_TEMPFAIL; + } + else + { + if (REWRITE(pvp, 2, e) == EX_TEMPFAIL) + *pstat = EX_TEMPFAIL; + } + if (rwset > 0) + { + if (REWRITE(pvp, rwset, e) == EX_TEMPFAIL) + *pstat = EX_TEMPFAIL; + } + + /* + ** Do any final sanitation the address may require. + ** This will normally be used to turn internal forms + ** (e.g., user@host.LOCAL) into external form. This + ** may be used as a default to the above rules. + */ + + if (REWRITE(pvp, 4, e) == EX_TEMPFAIL) + *pstat = EX_TEMPFAIL; + + /* + ** Now restore the comment information we had at the beginning. + */ + + cataddr(pvp, NULL, lbuf, sizeof lbuf, '\0'); + oldg = macget(&e->e_macro, 'g'); + macset(&e->e_macro, 'g', lbuf); + + SM_TRY + /* need to make sure route-addrs have */ + if (bitset(RF_CANONICAL, flags) && lbuf[0] == '@') + expand("<\201g>", buf, sizeof buf, e); + else + expand(fancy, buf, sizeof buf, e); + SM_FINALLY + macset(&e->e_macro, 'g', oldg); + SM_END_TRY + + if (tTd(12, 1)) + sm_dprintf("remotename => `%s'\n", buf); + return buf; +} +/* +** MAPLOCALUSER -- run local username through ruleset 5 for final redirection +** +** Parameters: +** a -- the address to map (but just the user name part). +** sendq -- the sendq in which to install any replacement +** addresses. +** aliaslevel -- the alias nesting depth. +** e -- the envelope. +** +** Returns: +** none. +*/ + +#define Q_COPYFLAGS (QPRIMARY|QBOGUSSHELL|QUNSAFEADDR|\ + Q_PINGFLAGS|QHASNOTIFY|\ + QRELAYED|QEXPANDED|QDELIVERED|QDELAYED|\ + QBYTRACE|QBYNDELAY|QBYNRELAY) + +void +maplocaluser(a, sendq, aliaslevel, e) + register ADDRESS *a; + ADDRESS **sendq; + int aliaslevel; + ENVELOPE *e; +{ + register char **pvp; + register ADDRESS *SM_NONVOLATILE a1 = NULL; + char pvpbuf[PSBUFSIZE]; + + if (tTd(29, 1)) + { + sm_dprintf("maplocaluser: "); + printaddr(sm_debug_file(), a, false); + } + pvp = prescan(a->q_user, '\0', pvpbuf, sizeof pvpbuf, NULL, NULL, false); + if (pvp == NULL) + { + if (tTd(29, 9)) + sm_dprintf("maplocaluser: cannot prescan %s\n", + a->q_user); + return; + } + + macdefine(&e->e_macro, A_PERM, 'h', a->q_host); + macdefine(&e->e_macro, A_PERM, 'u', a->q_user); + macdefine(&e->e_macro, A_PERM, 'z', a->q_home); + + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e r"); + if (REWRITE(pvp, 5, e) == EX_TEMPFAIL) + { + if (tTd(29, 9)) + sm_dprintf("maplocaluser: rewrite tempfail\n"); + a->q_state = QS_QUEUEUP; + a->q_status = "4.4.3"; + return; + } + if (pvp[0] == NULL || (pvp[0][0] & 0377) != CANONNET) + { + if (tTd(29, 9)) + sm_dprintf("maplocaluser: doesn't resolve\n"); + return; + } + + SM_TRY + a1 = buildaddr(pvp, NULL, 0, e); + SM_EXCEPT(exc, "E:mta.quickabort") + + /* + ** mark address as bad, S5 returned an error + ** and we gave that back to the SMTP client. + */ + + a->q_state = QS_DONTSEND; + sm_exc_raisenew_x(&EtypeQuickAbort, 2); + SM_END_TRY + + /* if non-null, mailer destination specified -- has it changed? */ + if (a1 == NULL || sameaddr(a, a1)) + { + if (tTd(29, 9)) + sm_dprintf("maplocaluser: address unchanged\n"); + return; + } + + /* make new address take on flags and print attributes of old */ + a1->q_flags &= ~Q_COPYFLAGS; + a1->q_flags |= a->q_flags & Q_COPYFLAGS; + a1->q_paddr = sm_rpool_strdup_x(e->e_rpool, a->q_paddr); + a1->q_finalrcpt = a->q_finalrcpt; + a1->q_orcpt = a->q_orcpt; + + /* mark old address as dead; insert new address */ + a->q_state = QS_REPLACED; + if (tTd(29, 5)) + { + sm_dprintf("maplocaluser: QS_REPLACED "); + printaddr(sm_debug_file(), a, false); + } + a1->q_alias = a; + allocaddr(a1, RF_COPYALL, sm_rpool_strdup_x(e->e_rpool, a->q_paddr), e); + (void) recipient(a1, sendq, aliaslevel, e); +} +/* +** DEQUOTE_INIT -- initialize dequote map +** +** Parameters: +** map -- the internal map structure. +** args -- arguments. +** +** Returns: +** true. +*/ + +bool +dequote_init(map, args) + MAP *map; + char *args; +{ + register char *p = args; + + /* there is no check whether there is really an argument */ + map->map_mflags |= MF_KEEPQUOTES; + for (;;) + { + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '-') + break; + switch (*++p) + { + case 'a': + map->map_app = ++p; + break; + + case 'D': + map->map_mflags |= MF_DEFER; + break; + + case 'S': + case 's': + map->map_spacesub = *++p; + break; + } + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p = '\0'; + } + if (map->map_app != NULL) + map->map_app = newstr(map->map_app); + + return true; +} +/* +** DEQUOTE_MAP -- unquote an address +** +** Parameters: +** map -- the internal map structure (ignored). +** name -- the name to dequote. +** av -- arguments (ignored). +** statp -- pointer to status out-parameter. +** +** Returns: +** NULL -- if there were no quotes, or if the resulting +** unquoted buffer would not be acceptable to prescan. +** else -- The dequoted buffer. +*/ + +/* ARGSUSED2 */ +char * +dequote_map(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + register char *p; + register char *q; + register char c; + int anglecnt = 0; + int cmntcnt = 0; + int quotecnt = 0; + int spacecnt = 0; + bool quotemode = false; + bool bslashmode = false; + char spacesub = map->map_spacesub; + + for (p = q = name; (c = *p++) != '\0'; ) + { + if (bslashmode) + { + bslashmode = false; + *q++ = c; + continue; + } + + if (c == ' ' && spacesub != '\0') + c = spacesub; + + switch (c) + { + case '\\': + bslashmode = true; + break; + + case '(': + cmntcnt++; + break; + + case ')': + if (cmntcnt-- <= 0) + return NULL; + break; + + case ' ': + case '\t': + spacecnt++; + break; + } + + if (cmntcnt > 0) + { + *q++ = c; + continue; + } + + switch (c) + { + case '"': + quotemode = !quotemode; + quotecnt++; + continue; + + case '<': + anglecnt++; + break; + + case '>': + if (anglecnt-- <= 0) + return NULL; + break; + } + *q++ = c; + } + + if (anglecnt != 0 || cmntcnt != 0 || bslashmode || + quotemode || quotecnt <= 0 || spacecnt != 0) + return NULL; + *q++ = '\0'; + return map_rewrite(map, name, strlen(name), NULL); +} +/* +** RSCHECK -- check string(s) for validity using rewriting sets +** +** Parameters: +** rwset -- the rewriting set to use. +** p1 -- the first string to check. +** p2 -- the second string to check -- may be null. +** e -- the current envelope. +** flags -- control some behavior, see RSF_ in sendmail.h +** logl -- logging level. +** host -- NULL or relay host. +** logid -- id for sm_syslog. +** +** Returns: +** EX_OK -- if the rwset doesn't resolve to $#error +** else -- the failure status (message printed) +*/ + +int +rscheck(rwset, p1, p2, e, flags, logl, host, logid) + char *rwset; + char *p1; + char *p2; + ENVELOPE *e; + int flags; + int logl; + char *host; + char *logid; +{ + char *volatile buf; + int bufsize; + int saveexitstat; + int volatile rstat = EX_OK; + char **pvp; + int rsno; + bool volatile discard = false; + auto ADDRESS a1; + bool saveQuickAbort = QuickAbort; + bool saveSuprErrs = SuprErrs; + bool quarantine = false; + char ubuf[BUFSIZ * 2]; + char buf0[MAXLINE]; + char pvpbuf[PSBUFSIZE]; + extern char MsgBuf[]; + + if (tTd(48, 2)) + sm_dprintf("rscheck(%s, %s, %s)\n", rwset, p1, + p2 == NULL ? "(NULL)" : p2); + + rsno = strtorwset(rwset, NULL, ST_FIND); + if (rsno < 0) + return EX_OK; + + if (p2 != NULL) + { + bufsize = strlen(p1) + strlen(p2) + 2; + if (bufsize > sizeof buf0) + buf = sm_malloc_x(bufsize); + else + { + buf = buf0; + bufsize = sizeof buf0; + } + (void) sm_snprintf(buf, bufsize, "%s%c%s", p1, CONDELSE, p2); + } + else + { + bufsize = strlen(p1) + 1; + if (bufsize > sizeof buf0) + buf = sm_malloc_x(bufsize); + else + { + buf = buf0; + bufsize = sizeof buf0; + } + (void) sm_strlcpy(buf, p1, bufsize); + } + SM_TRY + { + SuprErrs = true; + QuickAbort = false; + pvp = prescan(buf, '\0', pvpbuf, sizeof pvpbuf, NULL, + bitset(RSF_RMCOMM, flags) ? NULL : TokTypeNoC, + bitset(RSF_RMCOMM, flags) ? false : true); + SuprErrs = saveSuprErrs; + if (pvp == NULL) + { + if (tTd(48, 2)) + sm_dprintf("rscheck: cannot prescan input\n"); + /* + syserr("rscheck: cannot prescan input: \"%s\"", + shortenstring(buf, MAXSHORTSTR)); + rstat = EX_DATAERR; + */ + goto finis; + } + if (bitset(RSF_UNSTRUCTURED, flags)) + SuprErrs = true; + (void) REWRITE(pvp, rsno, e); + if (bitset(RSF_UNSTRUCTURED, flags)) + SuprErrs = saveSuprErrs; + if (pvp[0] == NULL || (pvp[0][0] & 0377) != CANONNET || + pvp[1] == NULL || (strcmp(pvp[1], "error") != 0 && + strcmp(pvp[1], "discard") != 0)) + { + goto finis; + } + + if (strcmp(pvp[1], "discard") == 0) + { + if (tTd(48, 2)) + sm_dprintf("rscheck: discard mailer selected\n"); + e->e_flags |= EF_DISCARD; + discard = true; + } + else if (strcmp(pvp[1], "error") == 0 && + pvp[2] != NULL && (pvp[2][0] & 0377) == CANONHOST && + pvp[3] != NULL && strcmp(pvp[3], "quarantine") == 0) + { + if (pvp[4] == NULL || + (pvp[4][0] & 0377) != CANONUSER || + pvp[5] == NULL) + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, + rwset); + else + { + cataddr(&(pvp[5]), NULL, ubuf, + sizeof ubuf, ' '); + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, + ubuf); + } + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), e->e_quarmsg); + quarantine = true; + } + else + { + int savelogusrerrs = LogUsrErrs; + static bool logged = false; + + /* got an error -- process it */ + saveexitstat = ExitStat; + LogUsrErrs = false; + (void) buildaddr(pvp, &a1, 0, e); + LogUsrErrs = savelogusrerrs; + rstat = ExitStat; + ExitStat = saveexitstat; + if (!logged) + { + if (bitset(RSF_COUNT, flags)) + markstats(e, &a1, STATS_REJECT); + logged = true; + } + } + + if (LogLevel > logl) + { + char *relay; + char *p; + char lbuf[MAXLINE]; + + p = lbuf; + if (p2 != NULL) + { + (void) sm_snprintf(p, SPACELEFT(lbuf, p), + ", arg2=%s", + p2); + p += strlen(p); + } + + if (host != NULL) + relay = host; + else + relay = macvalue('_', e); + if (relay != NULL) + { + (void) sm_snprintf(p, SPACELEFT(lbuf, p), + ", relay=%s", relay); + p += strlen(p); + } + *p = '\0'; + if (discard) + sm_syslog(LOG_NOTICE, logid, + "ruleset=%s, arg1=%s%s, discard", + rwset, p1, lbuf); + else if (quarantine) + sm_syslog(LOG_NOTICE, logid, + "ruleset=%s, arg1=%s%s, quarantine=%s", + rwset, p1, lbuf, ubuf); + else + sm_syslog(LOG_NOTICE, logid, + "ruleset=%s, arg1=%s%s, reject=%s", + rwset, p1, lbuf, MsgBuf); + } + + finis: ; + } + SM_FINALLY + { + /* clean up */ + if (buf != buf0) + sm_free(buf); + QuickAbort = saveQuickAbort; + } + SM_END_TRY + + setstat(rstat); + + /* rulesets don't set errno */ + errno = 0; + if (rstat != EX_OK && QuickAbort) + sm_exc_raisenew_x(&EtypeQuickAbort, 2); + return rstat; +} +/* +** RSCAP -- call rewriting set to return capabilities +** +** Parameters: +** rwset -- the rewriting set to use. +** p1 -- the first string to check. +** p2 -- the second string to check -- may be null. +** e -- the current envelope. +** pvp -- pointer to token vector. +** pvpbuf -- buffer space. +** size -- size of buffer space. +** +** Returns: +** EX_UNAVAILABLE -- ruleset doesn't exist. +** EX_DATAERR -- prescan() failed. +** EX_OK -- rewrite() was successful. +** else -- return status from rewrite(). +*/ + +int +rscap(rwset, p1, p2, e, pvp, pvpbuf, size) + char *rwset; + char *p1; + char *p2; + ENVELOPE *e; + char ***pvp; + char *pvpbuf; + int size; +{ + char *volatile buf; + int bufsize; + int volatile rstat = EX_OK; + int rsno; + bool saveQuickAbort = QuickAbort; + bool saveSuprErrs = SuprErrs; + char buf0[MAXLINE]; + extern char MsgBuf[]; + + if (tTd(48, 2)) + sm_dprintf("rscap(%s, %s, %s)\n", rwset, p1, + p2 == NULL ? "(NULL)" : p2); + + if (pvp != NULL) + *pvp = NULL; + rsno = strtorwset(rwset, NULL, ST_FIND); + if (rsno < 0) + return EX_UNAVAILABLE; + + if (p2 != NULL) + { + bufsize = strlen(p1) + strlen(p2) + 2; + if (bufsize > sizeof buf0) + buf = sm_malloc_x(bufsize); + else + { + buf = buf0; + bufsize = sizeof buf0; + } + (void) sm_snprintf(buf, bufsize, "%s%c%s", p1, CONDELSE, p2); + } + else + { + bufsize = strlen(p1) + 1; + if (bufsize > sizeof buf0) + buf = sm_malloc_x(bufsize); + else + { + buf = buf0; + bufsize = sizeof buf0; + } + (void) sm_strlcpy(buf, p1, bufsize); + } + SM_TRY + { + SuprErrs = true; + QuickAbort = false; + *pvp = prescan(buf, '\0', pvpbuf, size, NULL, NULL, false); + if (*pvp != NULL) + rstat = rewrite(*pvp, rsno, 0, e, size); + else + { + if (tTd(48, 2)) + sm_dprintf("rscap: cannot prescan input\n"); + rstat = EX_DATAERR; + } + } + SM_FINALLY + { + /* clean up */ + if (buf != buf0) + sm_free(buf); + SuprErrs = saveSuprErrs; + QuickAbort = saveQuickAbort; + + /* prevent information leak, this may contain rewrite error */ + MsgBuf[0] = '\0'; + } + SM_END_TRY + return rstat; +} diff --git a/contrib/sendmail-8.13.4/sendmail/queue.c b/contrib/sendmail-8.13.4/sendmail/queue.c new file mode 100644 index 0000000000..972e240157 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/queue.c @@ -0,0 +1,8816 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#include + +SM_RCSID("@(#)$Id: queue.c,v 8.944 2005/02/17 23:58:58 ca Exp $") + +#include + +# define RELEASE_QUEUE (void) 0 +# define ST_INODE(st) (st).st_ino + +# define sm_file_exists(errno) ((errno) == EEXIST) + +# if HASFLOCK && defined(O_EXLOCK) +# define SM_OPEN_EXLOCK 1 +# define TF_OPEN_FLAGS (O_CREAT|O_WRONLY|O_EXCL|O_EXLOCK) +# else /* HASFLOCK && defined(O_EXLOCK) */ +# define TF_OPEN_FLAGS (O_CREAT|O_WRONLY|O_EXCL) +# endif /* HASFLOCK && defined(O_EXLOCK) */ + +#ifndef SM_OPEN_EXLOCK +# define SM_OPEN_EXLOCK 0 +#endif /* ! SM_OPEN_EXLOCK */ + +/* +** Historical notes: +** QF_VERSION == 4 was sendmail 8.10/8.11 without _FFR_QUEUEDELAY +** QF_VERSION == 5 was sendmail 8.10/8.11 with _FFR_QUEUEDELAY +** QF_VERSION == 6 was sendmail 8.12 without _FFR_QUEUEDELAY +** QF_VERSION == 7 was sendmail 8.12 with _FFR_QUEUEDELAY +** QF_VERSION == 8 is sendmail 8.13 +*/ + +#define QF_VERSION 8 /* version number of this queue format */ + +static char queue_letter __P((ENVELOPE *, int)); +static bool quarantine_queue_item __P((int, int, ENVELOPE *, char *)); + +/* Naming convention: qgrp: index of queue group, qg: QUEUEGROUP */ + +/* +** Work queue. +*/ + +struct work +{ + char *w_name; /* name of control file */ + char *w_host; /* name of recipient host */ + bool w_lock; /* is message locked? */ + bool w_tooyoung; /* is it too young to run? */ + long w_pri; /* priority of message, see below */ + time_t w_ctime; /* creation time */ + time_t w_mtime; /* modification time */ + int w_qgrp; /* queue group located in */ + int w_qdir; /* queue directory located in */ + struct work *w_next; /* next in queue */ +}; + +typedef struct work WORK; + +static WORK *WorkQ; /* queue of things to be done */ +static int NumWorkGroups; /* number of work groups */ +static time_t Current_LA_time = 0; + +/* Get new load average every 30 seconds. */ +#define GET_NEW_LA_TIME 30 + +#define SM_GET_LA(now) \ + do \ + { \ + now = curtime(); \ + if (Current_LA_time < now - GET_NEW_LA_TIME) \ + { \ + sm_getla(); \ + Current_LA_time = now; \ + } \ + } while (0) + +/* +** DoQueueRun indicates that a queue run is needed. +** Notice: DoQueueRun is modified in a signal handler! +*/ + +static bool volatile DoQueueRun; /* non-interrupt time queue run needed */ + +/* +** Work group definition structure. +** Each work group contains one or more queue groups. This is done +** to manage the number of queue group runners active at the same time +** to be within the constraints of MaxQueueChildren (if it is set). +** The number of queue groups that can be run on the next work run +** is kept track of. The queue groups are run in a round robin. +*/ + +struct workgrp +{ + int wg_numqgrp; /* number of queue groups in work grp */ + int wg_runners; /* total runners */ + int wg_curqgrp; /* current queue group */ + QUEUEGRP **wg_qgs; /* array of queue groups */ + int wg_maxact; /* max # of active runners */ + time_t wg_lowqintvl; /* lowest queue interval */ + int wg_restart; /* needs restarting? */ + int wg_restartcnt; /* count of times restarted */ +}; + +typedef struct workgrp WORKGRP; + +static WORKGRP volatile WorkGrp[MAXWORKGROUPS + 1]; /* work groups */ + +#if SM_HEAP_CHECK +static SM_DEBUG_T DebugLeakQ = SM_DEBUG_INITIALIZER("leak_q", + "@(#)$Debug: leak_q - trace memory leaks during queue processing $"); +#endif /* SM_HEAP_CHECK */ + +/* +** We use EmptyString instead of "" to avoid +** 'zero-length format string' warnings from gcc +*/ + +static const char EmptyString[] = ""; + +static void grow_wlist __P((int, int)); +static int multiqueue_cache __P((char *, int, QUEUEGRP *, int, unsigned int *)); +static int gatherq __P((int, int, bool, bool *, bool *)); +static int sortq __P((int)); +static void printctladdr __P((ADDRESS *, SM_FILE_T *)); +static bool readqf __P((ENVELOPE *, bool)); +static void restart_work_group __P((int)); +static void runner_work __P((ENVELOPE *, int, bool, int, int)); +static void schedule_queue_runs __P((bool, int, bool)); +static char *strrev __P((char *)); +static ADDRESS *setctluser __P((char *, int, ENVELOPE *)); +#if _FFR_RHS +static int sm_strshufflecmp __P((char *, char *)); +static void init_shuffle_alphabet __P(()); +#endif /* _FFR_RHS */ +static int workcmpf0(); +static int workcmpf1(); +static int workcmpf2(); +static int workcmpf3(); +static int workcmpf4(); +static int randi = 3; /* index for workcmpf5() */ +static int workcmpf5(); +static int workcmpf6(); +#if _FFR_RHS +static int workcmpf7(); +#endif /* _FFR_RHS */ + +#if RANDOMSHIFT +# define get_rand_mod(m) ((get_random() >> RANDOMSHIFT) % (m)) +#else /* RANDOMSHIFT */ +# define get_rand_mod(m) (get_random() % (m)) +#endif /* RANDOMSHIFT */ + +/* +** File system definition. +** Used to keep track of how much free space is available +** on a file system in which one or more queue directories reside. +*/ + +typedef struct filesys_shared FILESYS; + +struct filesys_shared +{ + dev_t fs_dev; /* unique device id */ + long fs_avail; /* number of free blocks available */ + long fs_blksize; /* block size, in bytes */ +}; + +/* probably kept in shared memory */ +static FILESYS FileSys[MAXFILESYS]; /* queue file systems */ +static char *FSPath[MAXFILESYS]; /* pathnames for file systems */ + +#if SM_CONF_SHM + +/* +** Shared memory data +** +** Current layout: +** size -- size of shared memory segment +** pid -- pid of owner, should be a unique id to avoid misinterpretations +** by other processes. +** tag -- should be a unique id to avoid misinterpretations by others. +** idea: hash over configuration data that will be stored here. +** NumFileSys -- number of file systems. +** FileSys -- (arrary of) structure for used file systems. +** RSATmpCnt -- counter for number of uses of ephemeral RSA key. +** QShm -- (array of) structure for information about queue directories. +*/ + +/* +** Queue data in shared memory +*/ + +typedef struct queue_shared QUEUE_SHM_T; + +struct queue_shared +{ + int qs_entries; /* number of entries */ + /* XXX more to follow? */ +}; + +static void *Pshm; /* pointer to shared memory */ +static FILESYS *PtrFileSys; /* pointer to queue file system array */ +int ShmId = SM_SHM_NO_ID; /* shared memory id */ +static QUEUE_SHM_T *QShm; /* pointer to shared queue data */ +static size_t shms; + +# define SHM_OFF_PID(p) (((char *) (p)) + sizeof(int)) +# define SHM_OFF_TAG(p) (((char *) (p)) + sizeof(pid_t) + sizeof(int)) +# define SHM_OFF_HEAD (sizeof(pid_t) + sizeof(int) * 2) + +/* how to access FileSys */ +# define FILE_SYS(i) (PtrFileSys[i]) + +/* first entry is a tag, for now just the size */ +# define OFF_FILE_SYS(p) (((char *) (p)) + SHM_OFF_HEAD) + +/* offset for PNumFileSys */ +# define OFF_NUM_FILE_SYS(p) (((char *) (p)) + SHM_OFF_HEAD + sizeof(FileSys)) + +/* offset for PRSATmpCnt */ +# define OFF_RSA_TMP_CNT(p) (((char *) (p)) + SHM_OFF_HEAD + sizeof(FileSys) + sizeof(int)) +int *PRSATmpCnt; + +/* offset for queue_shm */ +# define OFF_QUEUE_SHM(p) (((char *) (p)) + SHM_OFF_HEAD + sizeof(FileSys) + sizeof(int) * 2) + +# define QSHM_ENTRIES(i) QShm[i].qs_entries + +/* basic size of shared memory segment */ +# define SM_T_SIZE (SHM_OFF_HEAD + sizeof(FileSys) + sizeof(int) * 2) + +static unsigned int hash_q __P((char *, unsigned int)); + +/* +** HASH_Q -- simple hash function +** +** Parameters: +** p -- string to hash. +** h -- hash start value (from previous run). +** +** Returns: +** hash value. +*/ + +static unsigned int +hash_q(p, h) + char *p; + unsigned int h; +{ + int c, d; + + while (*p != '\0') + { + d = *p++; + c = d; + c ^= c<<6; + h += (c<<11) ^ (c>>1); + h ^= (d<<14) + (d<<7) + (d<<4) + d; + } + return h; +} + + +#else /* SM_CONF_SHM */ +# define FILE_SYS(i) FileSys[i] +#endif /* SM_CONF_SHM */ + +/* access to the various components of file system data */ +#define FILE_SYS_NAME(i) FSPath[i] +#define FILE_SYS_AVAIL(i) FILE_SYS(i).fs_avail +#define FILE_SYS_BLKSIZE(i) FILE_SYS(i).fs_blksize +#define FILE_SYS_DEV(i) FILE_SYS(i).fs_dev + + +/* +** Current qf file field assignments: +** +** A AUTH= parameter +** B body type +** C controlling user +** D data file name +** d data file directory name (added in 8.12) +** E error recipient +** F flag bits +** G free (was: queue delay algorithm if _FFR_QUEUEDELAY) +** H header +** I data file's inode number +** K time of last delivery attempt +** L Solaris Content-Length: header (obsolete) +** M message +** N number of delivery attempts +** P message priority +** q quarantine reason +** Q original recipient (ORCPT=) +** r final recipient (Final-Recipient: DSN field) +** R recipient +** S sender +** T init time +** V queue file version +** X free (was: character set if _FFR_SAVE_CHARSET) +** Y free (was: current delay if _FFR_QUEUEDELAY) +** Z original envelope id from ESMTP +** ! deliver by (added in 8.12) +** $ define macro +** . terminate file +*/ + +/* +** QUEUEUP -- queue a message up for future transmission. +** +** Parameters: +** e -- the envelope to queue up. +** announce -- if true, tell when you are queueing up. +** msync -- if true, then fsync() if SuperSafe interactive mode. +** +** Returns: +** none. +** +** Side Effects: +** The current request is saved in a control file. +** The queue file is left locked. +*/ + +void +queueup(e, announce, msync) + register ENVELOPE *e; + bool announce; + bool msync; +{ + register SM_FILE_T *tfp; + register HDR *h; + register ADDRESS *q; + int tfd = -1; + int i; + bool newid; + register char *p; + MAILER nullmailer; + MCI mcibuf; + char qf[MAXPATHLEN]; + char tf[MAXPATHLEN]; + char df[MAXPATHLEN]; + char buf[MAXLINE]; + + /* + ** Create control file. + */ + +#define OPEN_TF do \ + { \ + MODE_T oldumask = 0; \ + \ + if (bitset(S_IWGRP, QueueFileMode)) \ + oldumask = umask(002); \ + tfd = open(tf, TF_OPEN_FLAGS, QueueFileMode); \ + if (bitset(S_IWGRP, QueueFileMode)) \ + (void) umask(oldumask); \ + } while (0) + + + newid = (e->e_id == NULL) || !bitset(EF_INQUEUE, e->e_flags); + (void) sm_strlcpy(tf, queuename(e, NEWQFL_LETTER), sizeof tf); + tfp = e->e_lockfp; + if (tfp == NULL && newid) + { + /* + ** open qf file directly: this will give an error if the file + ** already exists and hence prevent problems if a queue-id + ** is reused (e.g., because the clock is set back). + */ + + (void) sm_strlcpy(tf, queuename(e, ANYQFL_LETTER), sizeof tf); + OPEN_TF; + if (tfd < 0 || +#if !SM_OPEN_EXLOCK + !lockfile(tfd, tf, NULL, LOCK_EX|LOCK_NB) || +#endif /* !SM_OPEN_EXLOCK */ + (tfp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &tfd, SM_IO_WRONLY, + NULL)) == NULL) + { + int save_errno = errno; + + printopenfds(true); + errno = save_errno; + syserr("!queueup: cannot create queue file %s, euid=%d, fd=%d, fp=%p", + tf, (int) geteuid(), tfd, tfp); + /* NOTREACHED */ + } + e->e_lockfp = tfp; + upd_qs(e, 1, 0, "queueup"); + } + + /* if newid, write the queue file directly (instead of temp file) */ + if (!newid) + { + /* get a locked tf file */ + for (i = 0; i < 128; i++) + { + if (tfd < 0) + { + OPEN_TF; + if (tfd < 0) + { + if (errno != EEXIST) + break; + if (LogLevel > 0 && (i % 32) == 0) + sm_syslog(LOG_ALERT, e->e_id, + "queueup: cannot create %s, uid=%d: %s", + tf, (int) geteuid(), + sm_errstring(errno)); + } +#if SM_OPEN_EXLOCK + else + break; +#endif /* SM_OPEN_EXLOCK */ + } + if (tfd >= 0) + { +#if SM_OPEN_EXLOCK + /* file is locked by open() */ + break; +#else /* SM_OPEN_EXLOCK */ + if (lockfile(tfd, tf, NULL, LOCK_EX|LOCK_NB)) + break; + else +#endif /* SM_OPEN_EXLOCK */ + if (LogLevel > 0 && (i % 32) == 0) + sm_syslog(LOG_ALERT, e->e_id, + "queueup: cannot lock %s: %s", + tf, sm_errstring(errno)); + if ((i % 32) == 31) + { + (void) close(tfd); + tfd = -1; + } + } + + if ((i % 32) == 31) + { + /* save the old temp file away */ + (void) rename(tf, queuename(e, TEMPQF_LETTER)); + } + else + (void) sleep(i % 32); + } + if (tfd < 0 || (tfp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &tfd, SM_IO_WRONLY_B, + NULL)) == NULL) + { + int save_errno = errno; + + printopenfds(true); + errno = save_errno; + syserr("!queueup: cannot create queue temp file %s, uid=%d", + tf, (int) geteuid()); + } + } + + if (tTd(40, 1)) + sm_dprintf("\n>>>>> queueing %s/%s%s >>>>>\n", + qid_printqueue(e->e_qgrp, e->e_qdir), + queuename(e, ANYQFL_LETTER), + newid ? " (new id)" : ""); + if (tTd(40, 3)) + { + sm_dprintf(" e_flags="); + printenvflags(e); + } + if (tTd(40, 32)) + { + sm_dprintf(" sendq="); + printaddr(sm_debug_file(), e->e_sendqueue, true); + } + if (tTd(40, 9)) + { + sm_dprintf(" tfp="); + dumpfd(sm_io_getinfo(tfp, SM_IO_WHAT_FD, NULL), true, false); + sm_dprintf(" lockfp="); + if (e->e_lockfp == NULL) + sm_dprintf("NULL\n"); + else + dumpfd(sm_io_getinfo(e->e_lockfp, SM_IO_WHAT_FD, NULL), + true, false); + } + + /* + ** If there is no data file yet, create one. + */ + + (void) sm_strlcpy(df, queuename(e, DATAFL_LETTER), sizeof df); + if (bitset(EF_HAS_DF, e->e_flags)) + { + if (e->e_dfp != NULL && + SuperSafe != SAFE_REALLY && + SuperSafe != SAFE_REALLY_POSTMILTER && + sm_io_setinfo(e->e_dfp, SM_BF_COMMIT, NULL) < 0 && + errno != EINVAL) + { + syserr("!queueup: cannot commit data file %s, uid=%d", + queuename(e, DATAFL_LETTER), (int) geteuid()); + } + if (e->e_dfp != NULL && + SuperSafe == SAFE_INTERACTIVE && msync) + { + if (tTd(40,32)) + sm_syslog(LOG_INFO, e->e_id, + "queueup: fsync(e->e_dfp)"); + + if (fsync(sm_io_getinfo(e->e_dfp, SM_IO_WHAT_FD, + NULL)) < 0) + { + if (newid) + syserr("!552 Error writing data file %s", + df); + else + syserr("!452 Error writing data file %s", + df); + } + } + } + else + { + int dfd; + MODE_T oldumask = 0; + register SM_FILE_T *dfp = NULL; + struct stat stbuf; + + if (e->e_dfp != NULL && + sm_io_getinfo(e->e_dfp, SM_IO_WHAT_ISTYPE, BF_FILE_TYPE)) + syserr("committing over bf file"); + + if (bitset(S_IWGRP, QueueFileMode)) + oldumask = umask(002); + dfd = open(df, O_WRONLY|O_CREAT|O_TRUNC|QF_O_EXTRA, + QueueFileMode); + if (bitset(S_IWGRP, QueueFileMode)) + (void) umask(oldumask); + if (dfd < 0 || (dfp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &dfd, SM_IO_WRONLY_B, + NULL)) == NULL) + syserr("!queueup: cannot create data temp file %s, uid=%d", + df, (int) geteuid()); + if (fstat(dfd, &stbuf) < 0) + e->e_dfino = -1; + else + { + e->e_dfdev = stbuf.st_dev; + e->e_dfino = ST_INODE(stbuf); + } + e->e_flags |= EF_HAS_DF; + memset(&mcibuf, '\0', sizeof mcibuf); + mcibuf.mci_out = dfp; + mcibuf.mci_mailer = FileMailer; + (*e->e_putbody)(&mcibuf, e, NULL); + + if (SuperSafe == SAFE_REALLY || + SuperSafe == SAFE_REALLY_POSTMILTER || + (SuperSafe == SAFE_INTERACTIVE && msync)) + { + if (tTd(40,32)) + sm_syslog(LOG_INFO, e->e_id, + "queueup: fsync(dfp)"); + + if (fsync(sm_io_getinfo(dfp, SM_IO_WHAT_FD, NULL)) < 0) + { + if (newid) + syserr("!552 Error writing data file %s", + df); + else + syserr("!452 Error writing data file %s", + df); + } + } + + if (sm_io_close(dfp, SM_TIME_DEFAULT) < 0) + syserr("!queueup: cannot save data temp file %s, uid=%d", + df, (int) geteuid()); + e->e_putbody = putbody; + } + + /* + ** Output future work requests. + ** Priority and creation time should be first, since + ** they are required by gatherq. + */ + + /* output queue version number (must be first!) */ + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "V%d\n", QF_VERSION); + + /* output creation time */ + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "T%ld\n", (long) e->e_ctime); + + /* output last delivery time */ + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "K%ld\n", (long) e->e_dtime); + + /* output number of delivery attempts */ + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "N%d\n", e->e_ntries); + + /* output message priority */ + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "P%ld\n", e->e_msgpriority); + + /* + ** If data file is in a different directory than the queue file, + ** output a "d" record naming the directory of the data file. + */ + + if (e->e_dfqgrp != e->e_qgrp) + { + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "d%s\n", + Queue[e->e_dfqgrp]->qg_qpaths[e->e_dfqdir].qp_name); + } + + /* output inode number of data file */ + /* XXX should probably include device major/minor too */ + if (e->e_dfino != -1) + { + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "I%ld/%ld/%llu\n", + (long) major(e->e_dfdev), + (long) minor(e->e_dfdev), + (ULONGLONG_T) e->e_dfino); + } + + /* output body type */ + if (e->e_bodytype != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "B%s\n", + denlstring(e->e_bodytype, true, false)); + + /* quarantine reason */ + if (e->e_quarmsg != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "q%s\n", + denlstring(e->e_quarmsg, true, false)); + + /* message from envelope, if it exists */ + if (e->e_message != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "M%s\n", + denlstring(e->e_message, true, false)); + + /* send various flag bits through */ + p = buf; + if (bitset(EF_WARNING, e->e_flags)) + *p++ = 'w'; + if (bitset(EF_RESPONSE, e->e_flags)) + *p++ = 'r'; + if (bitset(EF_HAS8BIT, e->e_flags)) + *p++ = '8'; + if (bitset(EF_DELETE_BCC, e->e_flags)) + *p++ = 'b'; + if (bitset(EF_RET_PARAM, e->e_flags)) + *p++ = 'd'; + if (bitset(EF_NO_BODY_RETN, e->e_flags)) + *p++ = 'n'; + if (bitset(EF_SPLIT, e->e_flags)) + *p++ = 's'; + *p++ = '\0'; + if (buf[0] != '\0') + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "F%s\n", buf); + + /* save $={persistentMacros} macro values */ + queueup_macros(macid("{persistentMacros}"), tfp, e); + + /* output name of sender */ + if (bitnset(M_UDBENVELOPE, e->e_from.q_mailer->m_flags)) + p = e->e_sender; + else + p = e->e_from.q_paddr; + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "S%s\n", + denlstring(p, true, false)); + + /* output ESMTP-supplied "original" information */ + if (e->e_envid != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "Z%s\n", + denlstring(e->e_envid, true, false)); + + /* output AUTH= parameter */ + if (e->e_auth_param != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "A%s\n", + denlstring(e->e_auth_param, true, false)); + if (e->e_dlvr_flag != 0) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "!%c %ld\n", + (char) e->e_dlvr_flag, e->e_deliver_by); + + /* output list of recipient addresses */ + printctladdr(NULL, NULL); + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (!QS_IS_UNDELIVERED(q->q_state)) + continue; + + /* message for this recipient, if it exists */ + if (q->q_message != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "M%s\n", + denlstring(q->q_message, true, + false)); + + printctladdr(q, tfp); + if (q->q_orcpt != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "Q%s\n", + denlstring(q->q_orcpt, true, + false)); + if (q->q_finalrcpt != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "r%s\n", + denlstring(q->q_finalrcpt, true, + false)); + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'R'); + if (bitset(QPRIMARY, q->q_flags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'P'); + if (bitset(QHASNOTIFY, q->q_flags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'N'); + if (bitset(QPINGONSUCCESS, q->q_flags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'S'); + if (bitset(QPINGONFAILURE, q->q_flags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'F'); + if (bitset(QPINGONDELAY, q->q_flags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'D'); + if (q->q_alias != NULL && + bitset(QALIAS, q->q_alias->q_flags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, 'A'); + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, ':'); + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "%s\n", + denlstring(q->q_paddr, true, false)); + if (announce) + { + char *tag = "queued"; + + if (e->e_quarmsg != NULL) + tag = "quarantined"; + + e->e_to = q->q_paddr; + message(tag); + if (LogLevel > 8) + logdelivery(q->q_mailer, NULL, q->q_status, + tag, NULL, (time_t) 0, e); + e->e_to = NULL; + } + if (tTd(40, 1)) + { + sm_dprintf("queueing "); + printaddr(sm_debug_file(), q, false); + } + } + + /* + ** Output headers for this message. + ** Expand macros completely here. Queue run will deal with + ** everything as absolute headers. + ** All headers that must be relative to the recipient + ** can be cracked later. + ** We set up a "null mailer" -- i.e., a mailer that will have + ** no effect on the addresses as they are output. + */ + + memset((char *) &nullmailer, '\0', sizeof nullmailer); + nullmailer.m_re_rwset = nullmailer.m_rh_rwset = + nullmailer.m_se_rwset = nullmailer.m_sh_rwset = -1; + nullmailer.m_eol = "\n"; + memset(&mcibuf, '\0', sizeof mcibuf); + mcibuf.mci_mailer = &nullmailer; + mcibuf.mci_out = tfp; + + macdefine(&e->e_macro, A_PERM, 'g', "\201f"); + for (h = e->e_header; h != NULL; h = h->h_link) + { + if (h->h_value == NULL) + continue; + + /* don't output resent headers on non-resent messages */ + if (bitset(H_RESENT, h->h_flags) && + !bitset(EF_RESENT, e->e_flags)) + continue; + + /* expand macros; if null, don't output header at all */ + if (bitset(H_DEFAULT, h->h_flags)) + { + (void) expand(h->h_value, buf, sizeof buf, e); + if (buf[0] == '\0') + continue; + } + + /* output this header */ + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "H?"); + + /* output conditional macro if present */ + if (h->h_macro != '\0') + { + if (bitset(0200, h->h_macro)) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, + "${%s}", + macname(bitidx(h->h_macro))); + else + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, + "$%c", h->h_macro); + } + else if (!bitzerop(h->h_mflags) && + bitset(H_CHECK|H_ACHECK, h->h_flags)) + { + int j; + + /* if conditional, output the set of conditions */ + for (j = '\0'; j <= '\177'; j++) + if (bitnset(j, h->h_mflags)) + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, + j); + } + (void) sm_io_putc(tfp, SM_TIME_DEFAULT, '?'); + + /* output the header: expand macros, convert addresses */ + if (bitset(H_DEFAULT, h->h_flags) && + !bitset(H_BINDLATE, h->h_flags)) + { + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "%s: %s\n", + h->h_field, + denlstring(buf, false, true)); + } + else if (bitset(H_FROM|H_RCPT, h->h_flags) && + !bitset(H_BINDLATE, h->h_flags)) + { + bool oldstyle = bitset(EF_OLDSTYLE, e->e_flags); + SM_FILE_T *savetrace = TrafficLogFile; + + TrafficLogFile = NULL; + + if (bitset(H_FROM, h->h_flags)) + oldstyle = false; + + commaize(h, h->h_value, oldstyle, &mcibuf, e); + + TrafficLogFile = savetrace; + } + else + { + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "%s: %s\n", + h->h_field, + denlstring(h->h_value, false, + true)); + } + } + + /* + ** Clean up. + ** + ** Write a terminator record -- this is to prevent + ** scurrilous crackers from appending any data. + */ + + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, ".\n"); + + if (sm_io_flush(tfp, SM_TIME_DEFAULT) != 0 || + ((SuperSafe == SAFE_REALLY || + SuperSafe == SAFE_REALLY_POSTMILTER || + (SuperSafe == SAFE_INTERACTIVE && msync)) && + fsync(sm_io_getinfo(tfp, SM_IO_WHAT_FD, NULL)) < 0) || + sm_io_error(tfp)) + { + if (newid) + syserr("!552 Error writing control file %s", tf); + else + syserr("!452 Error writing control file %s", tf); + } + + if (!newid) + { + char new = queue_letter(e, ANYQFL_LETTER); + + /* rename (locked) tf to be (locked) [qh]f */ + (void) sm_strlcpy(qf, queuename(e, ANYQFL_LETTER), + sizeof qf); + if (rename(tf, qf) < 0) + syserr("cannot rename(%s, %s), uid=%d", + tf, qf, (int) geteuid()); + else + { + /* + ** Check if type has changed and only + ** remove the old item if the rename above + ** succeeded. + */ + + if (e->e_qfletter != '\0' && + e->e_qfletter != new) + { + if (tTd(40, 5)) + { + sm_dprintf("type changed from %c to %c\n", + e->e_qfletter, new); + } + + if (unlink(queuename(e, e->e_qfletter)) < 0) + { + /* XXX: something more drastic? */ + if (LogLevel > 0) + sm_syslog(LOG_ERR, e->e_id, + "queueup: unlink(%s) failed: %s", + queuename(e, e->e_qfletter), + sm_errstring(errno)); + } + } + } + e->e_qfletter = new; + + /* + ** fsync() after renaming to make sure metadata is + ** written to disk on filesystems in which renames are + ** not guaranteed. + */ + + if (SuperSafe != SAFE_NO) + { + /* for softupdates */ + if (tfd >= 0 && fsync(tfd) < 0) + { + syserr("!queueup: cannot fsync queue temp file %s", + tf); + } + SYNC_DIR(qf, true); + } + + /* close and unlock old (locked) queue file */ + if (e->e_lockfp != NULL) + (void) sm_io_close(e->e_lockfp, SM_TIME_DEFAULT); + e->e_lockfp = tfp; + + /* save log info */ + if (LogLevel > 79) + sm_syslog(LOG_DEBUG, e->e_id, "queueup %s", qf); + } + else + { + /* save log info */ + if (LogLevel > 79) + sm_syslog(LOG_DEBUG, e->e_id, "queueup %s", tf); + + e->e_qfletter = queue_letter(e, ANYQFL_LETTER); + } + + errno = 0; + e->e_flags |= EF_INQUEUE; + + if (tTd(40, 1)) + sm_dprintf("<<<<< done queueing %s <<<<<\n\n", e->e_id); + return; +} + +/* +** PRINTCTLADDR -- print control address to file. +** +** Parameters: +** a -- address. +** tfp -- file pointer. +** +** Returns: +** none. +** +** Side Effects: +** The control address (if changed) is printed to the file. +** The last control address and uid are saved. +*/ + +static void +printctladdr(a, tfp) + register ADDRESS *a; + SM_FILE_T *tfp; +{ + char *user; + register ADDRESS *q; + uid_t uid; + gid_t gid; + static ADDRESS *lastctladdr = NULL; + static uid_t lastuid; + + /* initialization */ + if (a == NULL || a->q_alias == NULL || tfp == NULL) + { + if (lastctladdr != NULL && tfp != NULL) + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "C\n"); + lastctladdr = NULL; + lastuid = 0; + return; + } + + /* find the active uid */ + q = getctladdr(a); + if (q == NULL) + { + user = NULL; + uid = 0; + gid = 0; + } + else + { + user = q->q_ruser != NULL ? q->q_ruser : q->q_user; + uid = q->q_uid; + gid = q->q_gid; + } + a = a->q_alias; + + /* check to see if this is the same as last time */ + if (lastctladdr != NULL && uid == lastuid && + strcmp(lastctladdr->q_paddr, a->q_paddr) == 0) + return; + lastuid = uid; + lastctladdr = a; + + if (uid == 0 || user == NULL || user[0] == '\0') + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "C"); + else + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, "C%s:%ld:%ld", + denlstring(user, true, false), (long) uid, + (long) gid); + (void) sm_io_fprintf(tfp, SM_TIME_DEFAULT, ":%s\n", + denlstring(a->q_paddr, true, false)); +} + +/* +** RUNNERS_SIGTERM -- propagate a SIGTERM to queue runner process +** +** This propagates the signal to the child processes that are queue +** runners. This is for a queue runner "cleanup". After all of the +** child queue runner processes are signaled (it should be SIGTERM +** being the sig) then the old signal handler (Oldsh) is called +** to handle any cleanup set for this process (provided it is not +** SIG_DFL or SIG_IGN). The signal may not be handled immediately +** if the BlockOldsh flag is set. If the current process doesn't +** have a parent then handle the signal immediately, regardless of +** BlockOldsh. +** +** Parameters: +** sig -- the signal number being sent +** +** Returns: +** none. +** +** Side Effects: +** Sets the NoMoreRunners boolean to true to stop more runners +** from being started in runqueue(). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +static bool volatile NoMoreRunners = false; +static sigfunc_t Oldsh_term = SIG_DFL; +static sigfunc_t Oldsh_hup = SIG_DFL; +static sigfunc_t volatile Oldsh = SIG_DFL; +static bool BlockOldsh = false; +static int volatile Oldsig = 0; +static SIGFUNC_DECL runners_sigterm __P((int)); +static SIGFUNC_DECL runners_sighup __P((int)); + +static SIGFUNC_DECL +runners_sigterm(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, runners_sigterm); + errno = save_errno; + CHECK_CRITICAL(sig); + NoMoreRunners = true; + Oldsh = Oldsh_term; + Oldsig = sig; + proc_list_signal(PROC_QUEUE, sig); + + if (!BlockOldsh || getppid() <= 1) + { + /* Check that a valid 'old signal handler' is callable */ + if (Oldsh_term != SIG_DFL && Oldsh_term != SIG_IGN && + Oldsh_term != runners_sigterm) + (*Oldsh_term)(sig); + } + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** RUNNERS_SIGHUP -- propagate a SIGHUP to queue runner process +** +** This propagates the signal to the child processes that are queue +** runners. This is for a queue runner "cleanup". After all of the +** child queue runner processes are signaled (it should be SIGHUP +** being the sig) then the old signal handler (Oldsh) is called to +** handle any cleanup set for this process (provided it is not SIG_DFL +** or SIG_IGN). The signal may not be handled immediately if the +** BlockOldsh flag is set. If the current process doesn't have +** a parent then handle the signal immediately, regardless of +** BlockOldsh. +** +** Parameters: +** sig -- the signal number being sent +** +** Returns: +** none. +** +** Side Effects: +** Sets the NoMoreRunners boolean to true to stop more runners +** from being started in runqueue(). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +static SIGFUNC_DECL +runners_sighup(sig) + int sig; +{ + int save_errno = errno; + + FIX_SYSV_SIGNAL(sig, runners_sighup); + errno = save_errno; + CHECK_CRITICAL(sig); + NoMoreRunners = true; + Oldsh = Oldsh_hup; + Oldsig = sig; + proc_list_signal(PROC_QUEUE, sig); + + if (!BlockOldsh || getppid() <= 1) + { + /* Check that a valid 'old signal handler' is callable */ + if (Oldsh_hup != SIG_DFL && Oldsh_hup != SIG_IGN && + Oldsh_hup != runners_sighup) + (*Oldsh_hup)(sig); + } + errno = save_errno; + return SIGFUNC_RETURN; +} +/* +** MARK_WORK_GROUP_RESTART -- mark a work group as needing a restart +** +** Sets a workgroup for restarting. +** +** Parameters: +** wgrp -- the work group id to restart. +** reason -- why (signal?), -1 to turn off restart +** +** Returns: +** none. +** +** Side effects: +** May set global RestartWorkGroup to true. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +void +mark_work_group_restart(wgrp, reason) + int wgrp; + int reason; +{ + if (wgrp < 0 || wgrp > NumWorkGroups) + return; + + WorkGrp[wgrp].wg_restart = reason; + if (reason >= 0) + RestartWorkGroup = true; +} +/* +** RESTART_MARKED_WORK_GROUPS -- restart work groups marked as needing restart +** +** Restart any workgroup marked as needing a restart provided more +** runners are allowed. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side effects: +** Sets global RestartWorkGroup to false. +*/ + +void +restart_marked_work_groups() +{ + int i; + int wasblocked; + + if (NoMoreRunners) + return; + + /* Block SIGCHLD so reapchild() doesn't mess with us */ + wasblocked = sm_blocksignal(SIGCHLD); + + for (i = 0; i < NumWorkGroups; i++) + { + if (WorkGrp[i].wg_restart >= 0) + { + if (LogLevel > 8) + sm_syslog(LOG_ERR, NOQID, + "restart queue runner=%d due to signal 0x%x", + i, WorkGrp[i].wg_restart); + restart_work_group(i); + } + } + RestartWorkGroup = false; + + if (wasblocked == 0) + (void) sm_releasesignal(SIGCHLD); +} +/* +** RESTART_WORK_GROUP -- restart a specific work group +** +** Restart a specific workgroup provided more runners are allowed. +** If the requested work group has been restarted too many times log +** this and refuse to restart. +** +** Parameters: +** wgrp -- the work group id to restart +** +** Returns: +** none. +** +** Side Effects: +** starts another process doing the work of wgrp +*/ + +#define MAX_PERSIST_RESTART 10 /* max allowed number of restarts */ + +static void +restart_work_group(wgrp) + int wgrp; +{ + if (NoMoreRunners || + wgrp < 0 || wgrp > NumWorkGroups) + return; + + WorkGrp[wgrp].wg_restart = -1; + if (WorkGrp[wgrp].wg_restartcnt < MAX_PERSIST_RESTART) + { + /* avoid overflow; increment here */ + WorkGrp[wgrp].wg_restartcnt++; + (void) run_work_group(wgrp, RWG_FORK|RWG_PERSISTENT|RWG_RUNALL); + } + else + { + sm_syslog(LOG_ERR, NOQID, + "ERROR: persistent queue runner=%d restarted too many times, queue runner lost", + wgrp); + } +} +/* +** SCHEDULE_QUEUE_RUNS -- schedule the next queue run for a work group. +** +** Parameters: +** runall -- schedule even if individual bit is not set. +** wgrp -- the work group id to schedule. +** didit -- the queue run was performed for this work group. +** +** Returns: +** nothing +*/ + +#define INCR_MOD(v, m) if (++v >= m) \ + v = 0; \ + else + +static void +schedule_queue_runs(runall, wgrp, didit) + bool runall; + int wgrp; + bool didit; +{ + int qgrp, cgrp, endgrp; +#if _FFR_QUEUE_SCHED_DBG + time_t lastsched; + bool sched; +#endif /* _FFR_QUEUE_SCHED_DBG */ + time_t now; + time_t minqintvl; + + /* + ** This is a bit ugly since we have to duplicate the + ** code that "walks" through a work queue group. + */ + + now = curtime(); + minqintvl = 0; + cgrp = endgrp = WorkGrp[wgrp].wg_curqgrp; + do + { + time_t qintvl; + +#if _FFR_QUEUE_SCHED_DBG + lastsched = 0; + sched = false; +#endif /* _FFR_QUEUE_SCHED_DBG */ + qgrp = WorkGrp[wgrp].wg_qgs[cgrp]->qg_index; + if (Queue[qgrp]->qg_queueintvl > 0) + qintvl = Queue[qgrp]->qg_queueintvl; + else if (QueueIntvl > 0) + qintvl = QueueIntvl; + else + qintvl = (time_t) 0; +#if _FFR_QUEUE_SCHED_DBG + lastsched = Queue[qgrp]->qg_nextrun; +#endif /* _FFR_QUEUE_SCHED_DBG */ + if ((runall || Queue[qgrp]->qg_nextrun <= now) && qintvl > 0) + { +#if _FFR_QUEUE_SCHED_DBG + sched = true; +#endif /* _FFR_QUEUE_SCHED_DBG */ + if (minqintvl == 0 || qintvl < minqintvl) + minqintvl = qintvl; + + /* + ** Only set a new time if a queue run was performed + ** for this queue group. If the queue was not run, + ** we could starve it by setting a new time on each + ** call. + */ + + if (didit) + Queue[qgrp]->qg_nextrun += qintvl; + } +#if _FFR_QUEUE_SCHED_DBG + if (tTd(69, 10)) + sm_syslog(LOG_INFO, NOQID, + "sqr: wgrp=%d, cgrp=%d, qgrp=%d, intvl=%ld, QI=%ld, runall=%d, lastrun=%ld, nextrun=%ld, sched=%d", + wgrp, cgrp, qgrp, Queue[qgrp]->qg_queueintvl, + QueueIntvl, runall, lastsched, + Queue[qgrp]->qg_nextrun, sched); +#endif /* _FFR_QUEUE_SCHED_DBG */ + INCR_MOD(cgrp, WorkGrp[wgrp].wg_numqgrp); + } while (endgrp != cgrp); + if (minqintvl > 0) + (void) sm_setevent(minqintvl, runqueueevent, 0); +} + +#if _FFR_QUEUE_RUN_PARANOIA +/* +** CHECKQUEUERUNNER -- check whether a queue group hasn't been run. +** +** Use this if events may get lost and hence queue runners may not +** be started and mail will pile up in a queue. +** +** Parameters: +** none. +** +** Returns: +** true if a queue run is necessary. +** +** Side Effects: +** may schedule a queue run. +*/ + +bool +checkqueuerunner() +{ + int qgrp; + time_t now, minqintvl; + + now = curtime(); + minqintvl = 0; + for (qgrp = 0; qgrp < NumQueue && Queue[qgrp] != NULL; qgrp++) + { + time_t qintvl; + + if (Queue[qgrp]->qg_queueintvl > 0) + qintvl = Queue[qgrp]->qg_queueintvl; + else if (QueueIntvl > 0) + qintvl = QueueIntvl; + else + qintvl = (time_t) 0; + if (Queue[qgrp]->qg_nextrun <= now - qintvl) + { + if (minqintvl == 0 || qintvl < minqintvl) + minqintvl = qintvl; + if (LogLevel > 1) + sm_syslog(LOG_WARNING, NOQID, + "checkqueuerunner: queue %d should have been run at %s, queue interval %ld", + qgrp, + arpadate(ctime(&Queue[qgrp]->qg_nextrun)), + qintvl); + } + } + if (minqintvl > 0) + { + (void) sm_setevent(minqintvl, runqueueevent, 0); + return true; + } + return false; +} +#endif /* _FFR_QUEUE_RUN_PARANOIA */ + +/* +** RUNQUEUE -- run the jobs in the queue. +** +** Gets the stuff out of the queue in some presumably logical +** order and processes them. +** +** Parameters: +** forkflag -- true if the queue scanning should be done in +** a child process. We double-fork so it is not our +** child and we don't have to clean up after it. +** false can be ignored if we have multiple queues. +** verbose -- if true, print out status information. +** persistent -- persistent queue runner? +** runall -- run all groups or only a subset (DoQueueRun)? +** +** Returns: +** true if the queue run successfully began. +** +** Side Effects: +** runs things in the mail queue using run_work_group(). +** maybe schedules next queue run. +*/ + +static ENVELOPE QueueEnvelope; /* the queue run envelope */ +static time_t LastQueueTime = 0; /* last time a queue ID assigned */ +static pid_t LastQueuePid = -1; /* last PID which had a queue ID */ + +/* values for qp_supdirs */ +#define QP_NOSUB 0x0000 /* No subdirectories */ +#define QP_SUBDF 0x0001 /* "df" subdirectory */ +#define QP_SUBQF 0x0002 /* "qf" subdirectory */ +#define QP_SUBXF 0x0004 /* "xf" subdirectory */ + +bool +runqueue(forkflag, verbose, persistent, runall) + bool forkflag; + bool verbose; + bool persistent; + bool runall; +{ + int i; + bool ret = true; + static int curnum = 0; + sigfunc_t cursh; +#if SM_HEAP_CHECK + SM_NONVOLATILE int oldgroup = 0; + + if (sm_debug_active(&DebugLeakQ, 1)) + { + oldgroup = sm_heap_group(); + sm_heap_newgroup(); + sm_dprintf("runqueue() heap group #%d\n", sm_heap_group()); + } +#endif /* SM_HEAP_CHECK */ + + /* queue run has been started, don't do any more this time */ + DoQueueRun = false; + + /* more than one queue or more than one directory per queue */ + if (!forkflag && !verbose && + (WorkGrp[0].wg_qgs[0]->qg_numqueues > 1 || NumWorkGroups > 1 || + WorkGrp[0].wg_numqgrp > 1)) + forkflag = true; + + /* + ** For controlling queue runners via signals sent to this process. + ** Oldsh* will get called too by runners_sig* (if it is not SIG_IGN + ** or SIG_DFL) to preserve cleanup behavior. Now that this process + ** will have children (and perhaps grandchildren) this handler will + ** be left in place. This is because this process, once it has + ** finished spinning off queue runners, may go back to doing something + ** else (like being a daemon). And we still want on a SIG{TERM,HUP} to + ** clean up the child queue runners. Only install 'runners_sig*' once + ** else we'll get stuck looping forever. + */ + + cursh = sm_signal(SIGTERM, runners_sigterm); + if (cursh != runners_sigterm) + Oldsh_term = cursh; + cursh = sm_signal(SIGHUP, runners_sighup); + if (cursh != runners_sighup) + Oldsh_hup = cursh; + + for (i = 0; i < NumWorkGroups && !NoMoreRunners; i++) + { + int rwgflags = RWG_NONE; + + /* + ** If MaxQueueChildren active then test whether the start + ** of the next queue group's additional queue runners (maximum) + ** will result in MaxQueueChildren being exceeded. + ** + ** Note: do not use continue; even though another workgroup + ** may have fewer queue runners, this would be "unfair", + ** i.e., this work group might "starve" then. + */ + +#if _FFR_QUEUE_SCHED_DBG + if (tTd(69, 10)) + sm_syslog(LOG_INFO, NOQID, + "rq: curnum=%d, MaxQueueChildren=%d, CurRunners=%d, WorkGrp[curnum].wg_maxact=%d", + curnum, MaxQueueChildren, CurRunners, + WorkGrp[curnum].wg_maxact); +#endif /* _FFR_QUEUE_SCHED_DBG */ + if (MaxQueueChildren > 0 && + CurRunners + WorkGrp[curnum].wg_maxact > MaxQueueChildren) + break; + + /* + ** Pick up where we left off (curnum), in case we + ** used up all the children last time without finishing. + ** This give a round-robin fairness to queue runs. + ** + ** Increment CurRunners before calling run_work_group() + ** to avoid a "race condition" with proc_list_drop() which + ** decrements CurRunners if the queue runners terminate. + ** Notice: CurRunners is an upper limit, in some cases + ** (too few jobs in the queue) this value is larger than + ** the actual number of queue runners. The discrepancy can + ** increase if some queue runners "hang" for a long time. + */ + + CurRunners += WorkGrp[curnum].wg_maxact; + if (forkflag) + rwgflags |= RWG_FORK; + if (verbose) + rwgflags |= RWG_VERBOSE; + if (persistent) + rwgflags |= RWG_PERSISTENT; + if (runall) + rwgflags |= RWG_RUNALL; + ret = run_work_group(curnum, rwgflags); + + /* + ** Failure means a message was printed for ETRN + ** and subsequent queues are likely to fail as well. + ** Decrement CurRunners in that case because + ** none have been started. + */ + + if (!ret) + { + CurRunners -= WorkGrp[curnum].wg_maxact; + break; + } + + if (!persistent) + schedule_queue_runs(runall, curnum, true); + INCR_MOD(curnum, NumWorkGroups); + } + + /* schedule left over queue runs */ + if (i < NumWorkGroups && !NoMoreRunners && !persistent) + { + int h; + + for (h = curnum; i < NumWorkGroups; i++) + { + schedule_queue_runs(runall, h, false); + INCR_MOD(h, NumWorkGroups); + } + } + + +#if SM_HEAP_CHECK + if (sm_debug_active(&DebugLeakQ, 1)) + sm_heap_setgroup(oldgroup); +#endif /* SM_HEAP_CHECK */ + return ret; +} + +#if _FFR_SKIP_DOMAINS +/* +** SKIP_DOMAINS -- Skip 'skip' number of domains in the WorkQ. +** +** Added by Stephen Frost to support +** having each runner process every N'th domain instead of +** every N'th message. +** +** Parameters: +** skip -- number of domains in WorkQ to skip. +** +** Returns: +** total number of messages skipped. +** +** Side Effects: +** may change WorkQ +*/ + +static int +skip_domains(skip) + int skip; +{ + int n, seqjump; + + for (n = 0, seqjump = 0; n < skip && WorkQ != NULL; seqjump++) + { + if (WorkQ->w_next != NULL) + { + if (WorkQ->w_host != NULL && + WorkQ->w_next->w_host != NULL) + { + if (sm_strcasecmp(WorkQ->w_host, + WorkQ->w_next->w_host) != 0) + n++; + } + else + { + if ((WorkQ->w_host != NULL && + WorkQ->w_next->w_host == NULL) || + (WorkQ->w_host == NULL && + WorkQ->w_next->w_host != NULL)) + n++; + } + } + WorkQ = WorkQ->w_next; + } + return seqjump; +} +#endif /* _FFR_SKIP_DOMAINS */ + +/* +** RUNNER_WORK -- have a queue runner do its work +** +** Have a queue runner do its work a list of entries. +** When work isn't directly being done then this process can take a signal +** and terminate immediately (in a clean fashion of course). +** When work is directly being done, it's not to be interrupted +** immediately: the work should be allowed to finish at a clean point +** before termination (in a clean fashion of course). +** +** Parameters: +** e -- envelope. +** sequenceno -- 'th process to run WorkQ. +** didfork -- did the calling process fork()? +** skip -- process only each skip'th item. +** njobs -- number of jobs in WorkQ. +** +** Returns: +** none. +** +** Side Effects: +** runs things in the mail queue. +*/ + +static void +runner_work(e, sequenceno, didfork, skip, njobs) + register ENVELOPE *e; + int sequenceno; + bool didfork; + int skip; + int njobs; +{ + int n, seqjump; + WORK *w; + time_t now; + + SM_GET_LA(now); + + /* + ** Here we temporarily block the second calling of the handlers. + ** This allows us to handle the signal without terminating in the + ** middle of direct work. If a signal does come, the test for + ** NoMoreRunners will find it. + */ + + BlockOldsh = true; + seqjump = skip; + + /* process them once at a time */ + while (WorkQ != NULL) + { +#if SM_HEAP_CHECK + SM_NONVOLATILE int oldgroup = 0; + + if (sm_debug_active(&DebugLeakQ, 1)) + { + oldgroup = sm_heap_group(); + sm_heap_newgroup(); + sm_dprintf("run_queue_group() heap group #%d\n", + sm_heap_group()); + } +#endif /* SM_HEAP_CHECK */ + + /* do no more work */ + if (NoMoreRunners) + { + /* Check that a valid signal handler is callable */ + if (Oldsh != SIG_DFL && Oldsh != SIG_IGN && + Oldsh != runners_sighup && + Oldsh != runners_sigterm) + (*Oldsh)(Oldsig); + break; + } + + w = WorkQ; /* assign current work item */ + + /* + ** Set the head of the WorkQ to the next work item. + ** It is set 'skip' ahead (the number of parallel queue + ** runners working on WorkQ together) since each runner + ** works on every 'skip'th (N-th) item. +#if _FFR_SKIP_DOMAINS + ** In the case of the BYHOST Queue Sort Order, the 'item' + ** is a domain, so we work on every 'skip'th (N-th) domain. +#endif * _FFR_SKIP_DOMAINS * + */ + +#if _FFR_SKIP_DOMAINS + if (QueueSortOrder == QSO_BYHOST) + { + seqjump = 1; + if (WorkQ->w_next != NULL) + { + if (WorkQ->w_host != NULL && + WorkQ->w_next->w_host != NULL) + { + if (sm_strcasecmp(WorkQ->w_host, + WorkQ->w_next->w_host) + != 0) + seqjump = skip_domains(skip); + else + WorkQ = WorkQ->w_next; + } + else + { + if ((WorkQ->w_host != NULL && + WorkQ->w_next->w_host == NULL) || + (WorkQ->w_host == NULL && + WorkQ->w_next->w_host != NULL)) + seqjump = skip_domains(skip); + else + WorkQ = WorkQ->w_next; + } + } + else + WorkQ = WorkQ->w_next; + } + else +#endif /* _FFR_SKIP_DOMAINS */ + { + for (n = 0; n < skip && WorkQ != NULL; n++) + WorkQ = WorkQ->w_next; + } + + e->e_to = NULL; + + /* + ** Ignore jobs that are too expensive for the moment. + ** + ** Get new load average every GET_NEW_LA_TIME seconds. + */ + + SM_GET_LA(now); + if (shouldqueue(WkRecipFact, Current_LA_time)) + { + char *msg = "Aborting queue run: load average too high"; + + if (Verbose) + message("%s", msg); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, "runqueue: %s", msg); + break; + } + if (shouldqueue(w->w_pri, w->w_ctime)) + { + if (Verbose) + message(EmptyString); + if (QueueSortOrder == QSO_BYPRIORITY) + { + if (Verbose) + message("Skipping %s/%s (sequence %d of %d) and flushing rest of queue", + qid_printqueue(w->w_qgrp, + w->w_qdir), + w->w_name + 2, sequenceno, + njobs); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, + "runqueue: Flushing queue from %s/%s (pri %ld, LA %d, %d of %d)", + qid_printqueue(w->w_qgrp, + w->w_qdir), + w->w_name + 2, w->w_pri, + CurrentLA, sequenceno, + njobs); + break; + } + else if (Verbose) + message("Skipping %s/%s (sequence %d of %d)", + qid_printqueue(w->w_qgrp, w->w_qdir), + w->w_name + 2, sequenceno, njobs); + } + else + { + if (Verbose) + { + message(EmptyString); + message("Running %s/%s (sequence %d of %d)", + qid_printqueue(w->w_qgrp, w->w_qdir), + w->w_name + 2, sequenceno, njobs); + } + if (didfork && MaxQueueChildren > 0) + { + sm_blocksignal(SIGCHLD); + (void) sm_signal(SIGCHLD, reapchild); + } + if (tTd(63, 100)) + sm_syslog(LOG_DEBUG, NOQID, + "runqueue %s dowork(%s)", + qid_printqueue(w->w_qgrp, w->w_qdir), + w->w_name + 2); + + (void) dowork(w->w_qgrp, w->w_qdir, w->w_name + 2, + ForkQueueRuns, false, e); + errno = 0; + } + sm_free(w->w_name); /* XXX */ + if (w->w_host != NULL) + sm_free(w->w_host); /* XXX */ + sm_free((char *) w); /* XXX */ + sequenceno += seqjump; /* next sequence number */ +#if SM_HEAP_CHECK + if (sm_debug_active(&DebugLeakQ, 1)) + sm_heap_setgroup(oldgroup); +#endif /* SM_HEAP_CHECK */ + } + + BlockOldsh = false; + + /* check the signals didn't happen during the revert */ + if (NoMoreRunners) + { + /* Check that a valid signal handler is callable */ + if (Oldsh != SIG_DFL && Oldsh != SIG_IGN && + Oldsh != runners_sighup && Oldsh != runners_sigterm) + (*Oldsh)(Oldsig); + } + + Oldsh = SIG_DFL; /* after the NoMoreRunners check */ +} +/* +** RUN_WORK_GROUP -- run the jobs in a queue group from a work group. +** +** Gets the stuff out of the queue in some presumably logical +** order and processes them. +** +** Parameters: +** wgrp -- work group to process. +** flags -- RWG_* flags +** +** Returns: +** true if the queue run successfully began. +** +** Side Effects: +** runs things in the mail queue. +*/ + +/* Minimum sleep time for persistent queue runners */ +#define MIN_SLEEP_TIME 5 + +bool +run_work_group(wgrp, flags) + int wgrp; + int flags; +{ + register ENVELOPE *e; + int njobs, qdir; + int sequenceno = 1; + int qgrp, endgrp, h, i; + time_t now; + bool full, more; + SM_RPOOL_T *rpool; + extern void rmexpstab __P((void)); + extern ENVELOPE BlankEnvelope; + extern SIGFUNC_DECL reapchild __P((int)); + + if (wgrp < 0) + return false; + + /* + ** If no work will ever be selected, don't even bother reading + ** the queue. + */ + + SM_GET_LA(now); + + if (!bitset(RWG_PERSISTENT, flags) && + shouldqueue(WkRecipFact, Current_LA_time)) + { + char *msg = "Skipping queue run -- load average too high"; + + if (bitset(RWG_VERBOSE, flags)) + message("458 %s\n", msg); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, "runqueue: %s", msg); + return false; + } + + /* + ** See if we already have too many children. + */ + + if (bitset(RWG_FORK, flags) && + WorkGrp[wgrp].wg_lowqintvl > 0 && + !bitset(RWG_PERSISTENT, flags) && + MaxChildren > 0 && CurChildren >= MaxChildren) + { + char *msg = "Skipping queue run -- too many children"; + + if (bitset(RWG_VERBOSE, flags)) + message("458 %s (%d)\n", msg, CurChildren); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, "runqueue: %s (%d)", + msg, CurChildren); + return false; + } + + /* + ** See if we want to go off and do other useful work. + */ + + if (bitset(RWG_FORK, flags)) + { + pid_t pid; + + (void) sm_blocksignal(SIGCHLD); + (void) sm_signal(SIGCHLD, reapchild); + + pid = dofork(); + if (pid == -1) + { + const char *msg = "Skipping queue run -- fork() failed"; + const char *err = sm_errstring(errno); + + if (bitset(RWG_VERBOSE, flags)) + message("458 %s: %s\n", msg, err); + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, "runqueue: %s: %s", + msg, err); + (void) sm_releasesignal(SIGCHLD); + return false; + } + if (pid != 0) + { + /* parent -- pick up intermediate zombie */ + (void) sm_blocksignal(SIGALRM); + + /* wgrp only used when queue runners are persistent */ + proc_list_add(pid, "Queue runner", PROC_QUEUE, + WorkGrp[wgrp].wg_maxact, + bitset(RWG_PERSISTENT, flags) ? wgrp : -1, + NULL); + (void) sm_releasesignal(SIGALRM); + (void) sm_releasesignal(SIGCHLD); + return true; + } + + /* child -- clean up signals */ + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + close_sendmail_pid(); + + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + sm_exc_newthread(fatal_error); + clrcontrol(); + proc_list_clear(); + + /* Add parent process as first child item */ + proc_list_add(CurrentPid, "Queue runner child process", + PROC_QUEUE_CHILD, 0, -1, NULL); + (void) sm_releasesignal(SIGCHLD); + (void) sm_signal(SIGCHLD, SIG_DFL); + (void) sm_signal(SIGHUP, SIG_DFL); + (void) sm_signal(SIGTERM, intsig); + } + + /* + ** Release any resources used by the daemon code. + */ + + clrdaemon(); + + /* force it to run expensive jobs */ + NoConnect = false; + + /* drop privileges */ + if (geteuid() == (uid_t) 0) + (void) drop_privileges(false); + + /* + ** Create ourselves an envelope + */ + + CurEnv = &QueueEnvelope; + rpool = sm_rpool_new_x(NULL); + e = newenvelope(&QueueEnvelope, CurEnv, rpool); + e->e_flags = BlankEnvelope.e_flags; + e->e_parent = NULL; + + /* make sure we have disconnected from parent */ + if (bitset(RWG_FORK, flags)) + { + disconnect(1, e); + QuickAbort = false; + } + + /* + ** If we are running part of the queue, always ignore stored + ** host status. + */ + + if (QueueLimitId != NULL || QueueLimitSender != NULL || + QueueLimitQuarantine != NULL || + QueueLimitRecipient != NULL) + { + IgnoreHostStatus = true; + MinQueueAge = 0; + } + + /* + ** Here is where we choose the queue group from the work group. + ** The caller of the "domorework" label must setup a new envelope. + */ + + endgrp = WorkGrp[wgrp].wg_curqgrp; /* to not spin endlessly */ + + domorework: + + /* + ** Run a queue group if: + ** RWG_RUNALL bit is set or the bit for this group is set. + */ + + now = curtime(); + for (;;) + { + /* + ** Find the next queue group within the work group that + ** has been marked as needing a run. + */ + + qgrp = WorkGrp[wgrp].wg_qgs[WorkGrp[wgrp].wg_curqgrp]->qg_index; + WorkGrp[wgrp].wg_curqgrp++; /* advance */ + WorkGrp[wgrp].wg_curqgrp %= WorkGrp[wgrp].wg_numqgrp; /* wrap */ + if (bitset(RWG_RUNALL, flags) || + (Queue[qgrp]->qg_nextrun <= now && + Queue[qgrp]->qg_nextrun != (time_t) -1)) + break; + if (endgrp == WorkGrp[wgrp].wg_curqgrp) + { + e->e_id = NULL; + if (bitset(RWG_FORK, flags)) + finis(true, true, ExitStat); + return true; /* we're done */ + } + } + + qdir = Queue[qgrp]->qg_curnum; /* round-robin init of queue position */ +#if _FFR_QUEUE_SCHED_DBG + if (tTd(69, 12)) + sm_syslog(LOG_INFO, NOQID, + "rwg: wgrp=%d, qgrp=%d, qdir=%d, name=%s, curqgrp=%d, numgrps=%d", + wgrp, qgrp, qdir, qid_printqueue(qgrp, qdir), + WorkGrp[wgrp].wg_curqgrp, WorkGrp[wgrp].wg_numqgrp); +#endif /* _FFR_QUEUE_SCHED_DBG */ + +#if HASNICE + /* tweak niceness of queue runs */ + if (Queue[qgrp]->qg_nice > 0) + (void) nice(Queue[qgrp]->qg_nice); +#endif /* HASNICE */ + + /* XXX running queue group... */ + sm_setproctitle(true, CurEnv, "running queue: %s", + qid_printqueue(qgrp, qdir)); + + if (LogLevel > 69 || tTd(63, 99)) + sm_syslog(LOG_DEBUG, NOQID, + "runqueue %s, pid=%d, forkflag=%d", + qid_printqueue(qgrp, qdir), (int) CurrentPid, + bitset(RWG_FORK, flags)); + + /* + ** Start making passes through the queue. + ** First, read and sort the entire queue. + ** Then, process the work in that order. + ** But if you take too long, start over. + */ + + for (i = 0; i < Queue[qgrp]->qg_numqueues; i++) + { + h = gatherq(qgrp, qdir, false, &full, &more); +#if SM_CONF_SHM + if (ShmId != SM_SHM_NO_ID) + QSHM_ENTRIES(Queue[qgrp]->qg_qpaths[qdir].qp_idx) = h; +#endif /* SM_CONF_SHM */ + /* If there are no more items in this queue advance */ + if (!more) + { + /* A round-robin advance */ + qdir++; + qdir %= Queue[qgrp]->qg_numqueues; + } + + /* Has the WorkList reached the limit? */ + if (full) + break; /* don't try to gather more */ + } + + /* order the existing work requests */ + njobs = sortq(Queue[qgrp]->qg_maxlist); + Queue[qgrp]->qg_curnum = qdir; /* update */ + + + if (!Verbose && bitnset(QD_FORK, Queue[qgrp]->qg_flags)) + { + int loop, maxrunners; + pid_t pid; + + /* + ** For this WorkQ we want to fork off N children (maxrunners) + ** at this point. Each child has a copy of WorkQ. Each child + ** will process every N-th item. The parent will wait for all + ** of the children to finish before moving on to the next + ** queue group within the work group. This saves us forking + ** a new runner-child for each work item. + ** It's valid for qg_maxqrun == 0 since this may be an + ** explicit "don't run this queue" setting. + */ + + maxrunners = Queue[qgrp]->qg_maxqrun; + + /* No need to have more runners then there are jobs */ + if (maxrunners > njobs) + maxrunners = njobs; + for (loop = 0; loop < maxrunners; loop++) + { + /* + ** Since the delivery may happen in a child and the + ** parent does not wait, the parent may close the + ** maps thereby removing any shared memory used by + ** the map. Therefore, close the maps now so the + ** child will dynamically open them if necessary. + */ + + closemaps(false); + + pid = fork(); + if (pid < 0) + { + syserr("run_work_group: cannot fork"); + return false; + } + else if (pid > 0) + { + /* parent -- clean out connection cache */ + mci_flush(false, NULL); +#if _FFR_SKIP_DOMAINS + if (QueueSortOrder == QSO_BYHOST) + { + sequenceno += skip_domains(1); + } + else +#endif /* _FFR_SKIP_DOMAINS */ + { + /* for the skip */ + WorkQ = WorkQ->w_next; + sequenceno++; + } + proc_list_add(pid, "Queue child runner process", + PROC_QUEUE_CHILD, 0, -1, NULL); + + /* No additional work, no additional runners */ + if (WorkQ == NULL) + break; + } + else + { + /* child -- Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + close_sendmail_pid(); + + /* + ** Initialize exception stack and default + ** exception handler for child process. + ** When fork()'d the child now has a private + ** copy of WorkQ at its current position. + */ + + sm_exc_newthread(fatal_error); + + /* + ** SMTP processes (whether -bd or -bs) set + ** SIGCHLD to reapchild to collect + ** children status. However, at delivery + ** time, that status must be collected + ** by sm_wait() to be dealt with properly + ** (check success of delivery based + ** on status code, etc). Therefore, if we + ** are an SMTP process, reset SIGCHLD + ** back to the default so reapchild + ** doesn't collect status before + ** sm_wait(). + */ + + if (OpMode == MD_SMTP || + OpMode == MD_DAEMON || + MaxQueueChildren > 0) + { + proc_list_clear(); + sm_releasesignal(SIGCHLD); + (void) sm_signal(SIGCHLD, SIG_DFL); + } + + /* child -- error messages to the transcript */ + QuickAbort = OnlyOneError = false; + runner_work(e, sequenceno, true, + maxrunners, njobs); + + /* This child is done */ + finis(true, true, ExitStat); + /* NOTREACHED */ + } + } + + sm_releasesignal(SIGCHLD); + + /* + ** Wait until all of the runners have completed before + ** seeing if there is another queue group in the + ** work group to process. + ** XXX Future enhancement: don't wait() for all children + ** here, just go ahead and make sure that overall the number + ** of children is not exceeded. + */ + + while (CurChildren > 0) + { + int status; + pid_t ret; + + while ((ret = sm_wait(&status)) <= 0) + continue; + proc_list_drop(ret, status, NULL); + } + } + else if (Queue[qgrp]->qg_maxqrun > 0 || bitset(RWG_FORCE, flags)) + { + /* + ** When current process will not fork children to do the work, + ** it will do the work itself. The 'skip' will be 1 since + ** there are no child runners to divide the work across. + */ + + runner_work(e, sequenceno, false, 1, njobs); + } + + /* free memory allocated by newenvelope() above */ + sm_rpool_free(rpool); + QueueEnvelope.e_rpool = NULL; + + /* Are there still more queues in the work group to process? */ + if (endgrp != WorkGrp[wgrp].wg_curqgrp) + { + rpool = sm_rpool_new_x(NULL); + e = newenvelope(&QueueEnvelope, CurEnv, rpool); + e->e_flags = BlankEnvelope.e_flags; + goto domorework; + } + + /* No more queues in work group to process. Now check persistent. */ + if (bitset(RWG_PERSISTENT, flags)) + { + sequenceno = 1; + sm_setproctitle(true, CurEnv, "running queue: %s", + qid_printqueue(qgrp, qdir)); + + /* + ** close bogus maps, i.e., maps which caused a tempfail, + ** so we get fresh map connections on the next lookup. + ** closemaps() is also called when children are started. + */ + + closemaps(true); + + /* Close any cached connections. */ + mci_flush(true, NULL); + + /* Clean out expired related entries. */ + rmexpstab(); + +#if NAMED_BIND + /* Update MX records for FallbackMX. */ + if (FallbackMX != NULL) + (void) getfallbackmxrr(FallbackMX); +#endif /* NAMED_BIND */ + +#if USERDB + /* close UserDatabase */ + _udbx_close(); +#endif /* USERDB */ + +#if SM_HEAP_CHECK + if (sm_debug_active(&SmHeapCheck, 2) + && access("memdump", F_OK) == 0 + ) + { + SM_FILE_T *out; + + remove("memdump"); + out = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, + "memdump.out", SM_IO_APPEND, NULL); + if (out != NULL) + { + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, "----------------------\n"); + sm_heap_report(out, + sm_debug_level(&SmHeapCheck) - 1); + (void) sm_io_close(out, SM_TIME_DEFAULT); + } + } +#endif /* SM_HEAP_CHECK */ + + /* let me rest for a second to catch my breath */ + if (njobs == 0 && WorkGrp[wgrp].wg_lowqintvl < MIN_SLEEP_TIME) + sleep(MIN_SLEEP_TIME); + else if (WorkGrp[wgrp].wg_lowqintvl <= 0) + sleep(QueueIntvl > 0 ? QueueIntvl : MIN_SLEEP_TIME); + else + sleep(WorkGrp[wgrp].wg_lowqintvl); + + /* + ** Get the LA outside the WorkQ loop if necessary. + ** In a persistent queue runner the code is repeated over + ** and over but gatherq() may ignore entries due to + ** shouldqueue() (do we really have to do this twice?). + ** Hence the queue runners would just idle around when once + ** CurrentLA caused all entries in a queue to be ignored. + */ + + if (njobs == 0) + SM_GET_LA(now); + rpool = sm_rpool_new_x(NULL); + e = newenvelope(&QueueEnvelope, CurEnv, rpool); + e->e_flags = BlankEnvelope.e_flags; + goto domorework; + } + + /* exit without the usual cleanup */ + e->e_id = NULL; + if (bitset(RWG_FORK, flags)) + finis(true, true, ExitStat); + /* NOTREACHED */ + return true; +} + +/* +** DOQUEUERUN -- do a queue run? +*/ + +bool +doqueuerun() +{ + return DoQueueRun; +} + +/* +** RUNQUEUEEVENT -- Sets a flag to indicate that a queue run should be done. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** The invocation of this function via an alarm may interrupt +** a set of actions. Thus errno may be set in that context. +** We need to restore errno at the end of this function to ensure +** that any work done here that sets errno doesn't return a +** misleading/false errno value. Errno may be EINTR upon entry to +** this function because of non-restartable/continuable system +** API was active. Iff this is true we will override errno as +** a timeout (as a more accurate error message). +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +void +runqueueevent(ignore) + int ignore; +{ + int save_errno = errno; + + /* + ** Set the general bit that we want a queue run, + ** tested in doqueuerun() + */ + + DoQueueRun = true; +#if _FFR_QUEUE_SCHED_DBG + if (tTd(69, 10)) + sm_syslog(LOG_INFO, NOQID, "rqe: done"); +#endif /* _FFR_QUEUE_SCHED_DBG */ + + errno = save_errno; + if (errno == EINTR) + errno = ETIMEDOUT; +} +/* +** GATHERQ -- gather messages from the message queue(s) the work queue. +** +** Parameters: +** qgrp -- the index of the queue group. +** qdir -- the index of the queue directory. +** doall -- if set, include everything in the queue (even +** the jobs that cannot be run because the load +** average is too high, or MaxQueueRun is reached). +** Otherwise, exclude those jobs. +** full -- (optional) to be set 'true' if WorkList is full +** more -- (optional) to be set 'true' if there are still more +** messages in this queue not added to WorkList +** +** Returns: +** The number of request in the queue (not necessarily +** the number of requests in WorkList however). +** +** Side Effects: +** prepares available work into WorkList +*/ + +#define NEED_P 0001 /* 'P': priority */ +#define NEED_T 0002 /* 'T': time */ +#define NEED_R 0004 /* 'R': recipient */ +#define NEED_S 0010 /* 'S': sender */ +#define NEED_H 0020 /* host */ +#define HAS_QUARANTINE 0040 /* has an unexpected 'q' line */ +#define NEED_QUARANTINE 0100 /* 'q': reason */ + +static WORK *WorkList = NULL; /* list of unsort work */ +static int WorkListSize = 0; /* current max size of WorkList */ +static int WorkListCount = 0; /* # of work items in WorkList */ + +static int +gatherq(qgrp, qdir, doall, full, more) + int qgrp; + int qdir; + bool doall; + bool *full; + bool *more; +{ + register struct dirent *d; + register WORK *w; + register char *p; + DIR *f; + int i, num_ent; + int wn; + QUEUE_CHAR *check; + char qd[MAXPATHLEN]; + char qf[MAXPATHLEN]; + + wn = WorkListCount - 1; + num_ent = 0; + if (qdir == NOQDIR) + (void) sm_strlcpy(qd, ".", sizeof qd); + else + (void) sm_strlcpyn(qd, sizeof qd, 2, + Queue[qgrp]->qg_qpaths[qdir].qp_name, + (bitset(QP_SUBQF, + Queue[qgrp]->qg_qpaths[qdir].qp_subdirs) + ? "/qf" : "")); + + if (tTd(41, 1)) + { + sm_dprintf("gatherq:\n"); + + check = QueueLimitId; + while (check != NULL) + { + sm_dprintf("\tQueueLimitId = %s%s\n", + check->queue_negate ? "!" : "", + check->queue_match); + check = check->queue_next; + } + + check = QueueLimitSender; + while (check != NULL) + { + sm_dprintf("\tQueueLimitSender = %s%s\n", + check->queue_negate ? "!" : "", + check->queue_match); + check = check->queue_next; + } + + check = QueueLimitRecipient; + while (check != NULL) + { + sm_dprintf("\tQueueLimitRecipient = %s%s\n", + check->queue_negate ? "!" : "", + check->queue_match); + check = check->queue_next; + } + + if (QueueMode == QM_QUARANTINE) + { + check = QueueLimitQuarantine; + while (check != NULL) + { + sm_dprintf("\tQueueLimitQuarantine = %s%s\n", + check->queue_negate ? "!" : "", + check->queue_match); + check = check->queue_next; + } + } + } + + /* open the queue directory */ + f = opendir(qd); + if (f == NULL) + { + syserr("gatherq: cannot open \"%s\"", + qid_printqueue(qgrp, qdir)); + if (full != NULL) + *full = WorkListCount >= MaxQueueRun && MaxQueueRun > 0; + if (more != NULL) + *more = false; + return 0; + } + + /* + ** Read the work directory. + */ + + while ((d = readdir(f)) != NULL) + { + SM_FILE_T *cf; + int qfver = 0; + char lbuf[MAXNAME + 1]; + struct stat sbuf; + + if (tTd(41, 50)) + sm_dprintf("gatherq: checking %s..", d->d_name); + + /* is this an interesting entry? */ + if (!(((QueueMode == QM_NORMAL && + d->d_name[0] == NORMQF_LETTER) || + (QueueMode == QM_QUARANTINE && + d->d_name[0] == QUARQF_LETTER) || + (QueueMode == QM_LOST && + d->d_name[0] == LOSEQF_LETTER)) && + d->d_name[1] == 'f')) + { + if (tTd(41, 50)) + sm_dprintf(" skipping\n"); + continue; + } + if (tTd(41, 50)) + sm_dprintf("\n"); + + if (strlen(d->d_name) >= MAXQFNAME) + { + if (Verbose) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "gatherq: %s too long, %d max characters\n", + d->d_name, MAXQFNAME); + if (LogLevel > 0) + sm_syslog(LOG_ALERT, NOQID, + "gatherq: %s too long, %d max characters", + d->d_name, MAXQFNAME); + continue; + } + + check = QueueLimitId; + while (check != NULL) + { + if (strcontainedin(false, check->queue_match, + d->d_name) != check->queue_negate) + break; + else + check = check->queue_next; + } + if (QueueLimitId != NULL && check == NULL) + continue; + + /* grow work list if necessary */ + if (++wn >= MaxQueueRun && MaxQueueRun > 0) + { + if (wn == MaxQueueRun && LogLevel > 0) + sm_syslog(LOG_WARNING, NOQID, + "WorkList for %s maxed out at %d", + qid_printqueue(qgrp, qdir), + MaxQueueRun); + if (doall) + continue; /* just count entries */ + break; + } + if (wn >= WorkListSize) + { + grow_wlist(qgrp, qdir); + if (wn >= WorkListSize) + continue; + } + SM_ASSERT(wn >= 0); + w = &WorkList[wn]; + + (void) sm_strlcpyn(qf, sizeof qf, 3, qd, "/", d->d_name); + if (stat(qf, &sbuf) < 0) + { + if (errno != ENOENT) + sm_syslog(LOG_INFO, NOQID, + "gatherq: can't stat %s/%s", + qid_printqueue(qgrp, qdir), + d->d_name); + wn--; + continue; + } + if (!bitset(S_IFREG, sbuf.st_mode)) + { + /* Yikes! Skip it or we will hang on open! */ + if (!((d->d_name[0] == DATAFL_LETTER || + d->d_name[0] == NORMQF_LETTER || + d->d_name[0] == QUARQF_LETTER || + d->d_name[0] == LOSEQF_LETTER || + d->d_name[0] == XSCRPT_LETTER) && + d->d_name[1] == 'f' && d->d_name[2] == '\0')) + syserr("gatherq: %s/%s is not a regular file", + qid_printqueue(qgrp, qdir), d->d_name); + wn--; + continue; + } + + /* avoid work if possible */ + if ((QueueSortOrder == QSO_BYFILENAME || + QueueSortOrder == QSO_BYMODTIME || + QueueSortOrder == QSO_RANDOM) && + QueueLimitQuarantine == NULL && + QueueLimitSender == NULL && + QueueLimitRecipient == NULL) + { + w->w_qgrp = qgrp; + w->w_qdir = qdir; + w->w_name = newstr(d->d_name); + w->w_host = NULL; + w->w_lock = w->w_tooyoung = false; + w->w_pri = 0; + w->w_ctime = 0; + w->w_mtime = sbuf.st_mtime; + ++num_ent; + continue; + } + + /* open control file */ + cf = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, qf, SM_IO_RDONLY_B, + NULL); + if (cf == NULL && OpMode != MD_PRINT) + { + /* this may be some random person sending hir msgs */ + if (tTd(41, 2)) + sm_dprintf("gatherq: cannot open %s: %s\n", + d->d_name, sm_errstring(errno)); + errno = 0; + wn--; + continue; + } + w->w_qgrp = qgrp; + w->w_qdir = qdir; + w->w_name = newstr(d->d_name); + w->w_host = NULL; + if (cf != NULL) + { + w->w_lock = !lockfile(sm_io_getinfo(cf, SM_IO_WHAT_FD, + NULL), + w->w_name, NULL, + LOCK_SH|LOCK_NB); + } + w->w_tooyoung = false; + + /* make sure jobs in creation don't clog queue */ + w->w_pri = 0x7fffffff; + w->w_ctime = 0; + w->w_mtime = sbuf.st_mtime; + + /* extract useful information */ + i = NEED_P|NEED_T; + if (QueueSortOrder == QSO_BYHOST +#if _FFR_RHS + || QueueSortOrder == QSO_BYSHUFFLE +#endif /* _FFR_RHS */ + ) + { + /* need w_host set for host sort order */ + i |= NEED_H; + } + if (QueueLimitSender != NULL) + i |= NEED_S; + if (QueueLimitRecipient != NULL) + i |= NEED_R; + if (QueueLimitQuarantine != NULL) + i |= NEED_QUARANTINE; + while (cf != NULL && i != 0 && + sm_io_fgets(cf, SM_TIME_DEFAULT, lbuf, + sizeof lbuf) != NULL) + { + int c; + time_t age; + + p = strchr(lbuf, '\n'); + if (p != NULL) + *p = '\0'; + else + { + /* flush rest of overly long line */ + while ((c = sm_io_getc(cf, SM_TIME_DEFAULT)) + != SM_IO_EOF && c != '\n') + continue; + } + + switch (lbuf[0]) + { + case 'V': + qfver = atoi(&lbuf[1]); + break; + + case 'P': + w->w_pri = atol(&lbuf[1]); + i &= ~NEED_P; + break; + + case 'T': + w->w_ctime = atol(&lbuf[1]); + i &= ~NEED_T; + break; + + case 'q': + if (QueueMode != QM_QUARANTINE && + QueueMode != QM_LOST) + { + if (tTd(41, 49)) + sm_dprintf("%s not marked as quarantined but has a 'q' line\n", + w->w_name); + i |= HAS_QUARANTINE; + } + else if (QueueMode == QM_QUARANTINE) + { + if (QueueLimitQuarantine == NULL) + { + i &= ~NEED_QUARANTINE; + break; + } + p = &lbuf[1]; + check = QueueLimitQuarantine; + while (check != NULL) + { + if (strcontainedin(false, + check->queue_match, + p) != + check->queue_negate) + break; + else + check = check->queue_next; + } + if (check != NULL) + i &= ~NEED_QUARANTINE; + } + break; + + case 'R': + if (w->w_host == NULL && + (p = strrchr(&lbuf[1], '@')) != NULL) + { +#if _FFR_RHS + if (QueueSortOrder == QSO_BYSHUFFLE) + w->w_host = newstr(&p[1]); + else +#endif /* _FFR_RHS */ + w->w_host = strrev(&p[1]); + makelower(w->w_host); + i &= ~NEED_H; + } + if (QueueLimitRecipient == NULL) + { + i &= ~NEED_R; + break; + } + if (qfver > 0) + { + p = strchr(&lbuf[1], ':'); + if (p == NULL) + p = &lbuf[1]; + else + ++p; /* skip over ':' */ + } + else + p = &lbuf[1]; + check = QueueLimitRecipient; + while (check != NULL) + { + if (strcontainedin(true, + check->queue_match, + p) != + check->queue_negate) + break; + else + check = check->queue_next; + } + if (check != NULL) + i &= ~NEED_R; + break; + + case 'S': + check = QueueLimitSender; + while (check != NULL) + { + if (strcontainedin(true, + check->queue_match, + &lbuf[1]) != + check->queue_negate) + break; + else + check = check->queue_next; + } + if (check != NULL) + i &= ~NEED_S; + break; + + case 'K': + age = curtime() - (time_t) atol(&lbuf[1]); + if (age >= 0 && MinQueueAge > 0 && + age < MinQueueAge) + w->w_tooyoung = true; + break; + + case 'N': + if (atol(&lbuf[1]) == 0) + w->w_tooyoung = false; + break; + } + } + if (cf != NULL) + (void) sm_io_close(cf, SM_TIME_DEFAULT); + + if ((!doall && shouldqueue(w->w_pri, w->w_ctime)) || + bitset(HAS_QUARANTINE, i) || + bitset(NEED_QUARANTINE, i) || + bitset(NEED_R|NEED_S, i)) + { + /* don't even bother sorting this job in */ + if (tTd(41, 49)) + sm_dprintf("skipping %s (%x)\n", w->w_name, i); + sm_free(w->w_name); /* XXX */ + if (w->w_host != NULL) + sm_free(w->w_host); /* XXX */ + wn--; + } + else + ++num_ent; + } + (void) closedir(f); + wn++; + + i = wn - WorkListCount; + WorkListCount += SM_MIN(num_ent, WorkListSize); + + if (more != NULL) + *more = WorkListCount < wn; + + if (full != NULL) + *full = (wn >= MaxQueueRun && MaxQueueRun > 0) || + (WorkList == NULL && wn > 0); + + return i; +} +/* +** SORTQ -- sort the work list +** +** First the old WorkQ is cleared away. Then the WorkList is sorted +** for all items so that important (higher sorting value) items are not +** trunctated off. Then the most important items are moved from +** WorkList to WorkQ. The lower count of 'max' or MaxListCount items +** are moved. +** +** Parameters: +** max -- maximum number of items to be placed in WorkQ +** +** Returns: +** the number of items in WorkQ +** +** Side Effects: +** WorkQ gets released and filled with new work. WorkList +** gets released. Work items get sorted in order. +*/ + +static int +sortq(max) + int max; +{ + register int i; /* local counter */ + register WORK *w; /* tmp item pointer */ + int wc = WorkListCount; /* trim size for WorkQ */ + + if (WorkQ != NULL) + { + WORK *nw; + + /* Clear out old WorkQ. */ + for (w = WorkQ; w != NULL; w = nw) + { + nw = w->w_next; + sm_free(w->w_name); /* XXX */ + if (w->w_host != NULL) + sm_free(w->w_host); /* XXX */ + sm_free((char *) w); /* XXX */ + } + WorkQ = NULL; + } + + if (WorkList == NULL || wc <= 0) + return 0; + + /* Check if the per queue group item limit will be exceeded */ + if (wc > max && max > 0) + wc = max; + + /* + ** The sort now takes place using all of the items in WorkList. + ** The list gets trimmed to the most important items after the sort. + ** If the trim were to happen before the sort then one or more + ** important items might get truncated off -- not what we want. + */ + + if (QueueSortOrder == QSO_BYHOST) + { + /* + ** Sort the work directory for the first time, + ** based on host name, lock status, and priority. + */ + + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf1); + + /* + ** If one message to host is locked, "lock" all messages + ** to that host. + */ + + i = 0; + while (i < wc) + { + if (!WorkList[i].w_lock) + { + i++; + continue; + } + w = &WorkList[i]; + while (++i < wc) + { + if (WorkList[i].w_host == NULL && + w->w_host == NULL) + WorkList[i].w_lock = true; + else if (WorkList[i].w_host != NULL && + w->w_host != NULL && + sm_strcasecmp(WorkList[i].w_host, + w->w_host) == 0) + WorkList[i].w_lock = true; + else + break; + } + } + + /* + ** Sort the work directory for the second time, + ** based on lock status, host name, and priority. + */ + + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf2); + } + else if (QueueSortOrder == QSO_BYTIME) + { + /* + ** Simple sort based on submission time only. + */ + + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf3); + } + else if (QueueSortOrder == QSO_BYFILENAME) + { + /* + ** Sort based on queue filename. + */ + + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf4); + } + else if (QueueSortOrder == QSO_RANDOM) + { + /* + ** Sort randomly. To avoid problems with an instable sort, + ** use a random index into the queue file name to start + ** comparison. + */ + + randi = get_rand_mod(MAXQFNAME); + if (randi < 2) + randi = 3; + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf5); + } + else if (QueueSortOrder == QSO_BYMODTIME) + { + /* + ** Simple sort based on modification time of queue file. + ** This puts the oldest items first. + */ + + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf6); + } +#if _FFR_RHS + else if (QueueSortOrder == QSO_BYSHUFFLE) + { + /* + ** Simple sort based on shuffled host name. + */ + + init_shuffle_alphabet(); + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf7); + } +#endif /* _FFR_RHS */ + else if (QueueSortOrder == QSO_BYPRIORITY) + { + /* + ** Simple sort based on queue priority only. + */ + + qsort((char *) WorkList, wc, sizeof *WorkList, workcmpf0); + } + /* else don't sort at all */ + + /* + ** Convert the work list into canonical form. + ** Should be turning it into a list of envelopes here perhaps. + ** Only take the most important items up to the per queue group + ** maximum. + */ + + for (i = wc; --i >= 0; ) + { + w = (WORK *) xalloc(sizeof *w); + w->w_qgrp = WorkList[i].w_qgrp; + w->w_qdir = WorkList[i].w_qdir; + w->w_name = WorkList[i].w_name; + w->w_host = WorkList[i].w_host; + w->w_lock = WorkList[i].w_lock; + w->w_tooyoung = WorkList[i].w_tooyoung; + w->w_pri = WorkList[i].w_pri; + w->w_ctime = WorkList[i].w_ctime; + w->w_mtime = WorkList[i].w_mtime; + w->w_next = WorkQ; + WorkQ = w; + } + + /* free the rest of the list */ + for (i = WorkListCount; --i >= wc; ) + { + sm_free(WorkList[i].w_name); + if (WorkList[i].w_host != NULL) + sm_free(WorkList[i].w_host); + } + + if (WorkList != NULL) + sm_free(WorkList); /* XXX */ + WorkList = NULL; + WorkListSize = 0; + WorkListCount = 0; + + if (tTd(40, 1)) + { + for (w = WorkQ; w != NULL; w = w->w_next) + { + if (w->w_host != NULL) + sm_dprintf("%22s: pri=%ld %s\n", + w->w_name, w->w_pri, w->w_host); + else + sm_dprintf("%32s: pri=%ld\n", + w->w_name, w->w_pri); + } + } + + return wc; /* return number of WorkQ items */ +} +/* +** GROW_WLIST -- make the work list larger +** +** Parameters: +** qgrp -- the index for the queue group. +** qdir -- the index for the queue directory. +** +** Returns: +** none. +** +** Side Effects: +** Adds another QUEUESEGSIZE entries to WorkList if possible. +** It can fail if there isn't enough memory, so WorkListSize +** should be checked again upon return. +*/ + +static void +grow_wlist(qgrp, qdir) + int qgrp; + int qdir; +{ + if (tTd(41, 1)) + sm_dprintf("grow_wlist: WorkListSize=%d\n", WorkListSize); + if (WorkList == NULL) + { + WorkList = (WORK *) xalloc((sizeof *WorkList) * + (QUEUESEGSIZE + 1)); + WorkListSize = QUEUESEGSIZE; + } + else + { + int newsize = WorkListSize + QUEUESEGSIZE; + WORK *newlist = (WORK *) sm_realloc((char *) WorkList, + (unsigned) sizeof(WORK) * (newsize + 1)); + + if (newlist != NULL) + { + WorkListSize = newsize; + WorkList = newlist; + if (LogLevel > 1) + { + sm_syslog(LOG_INFO, NOQID, + "grew WorkList for %s to %d", + qid_printqueue(qgrp, qdir), + WorkListSize); + } + } + else if (LogLevel > 0) + { + sm_syslog(LOG_ALERT, NOQID, + "FAILED to grow WorkList for %s to %d", + qid_printqueue(qgrp, qdir), newsize); + } + } + if (tTd(41, 1)) + sm_dprintf("grow_wlist: WorkListSize now %d\n", WorkListSize); +} +/* +** WORKCMPF0 -- simple priority-only compare function. +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** -1 if a < b +** 0 if a == b +** +1 if a > b +** +*/ + +static int +workcmpf0(a, b) + register WORK *a; + register WORK *b; +{ + long pa = a->w_pri; + long pb = b->w_pri; + + if (pa == pb) + return 0; + else if (pa > pb) + return 1; + else + return -1; +} +/* +** WORKCMPF1 -- first compare function for ordering work based on host name. +** +** Sorts on host name, lock status, and priority in that order. +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** <0 if a < b +** 0 if a == b +** >0 if a > b +** +*/ + +static int +workcmpf1(a, b) + register WORK *a; + register WORK *b; +{ + int i; + + /* host name */ + if (a->w_host != NULL && b->w_host == NULL) + return 1; + else if (a->w_host == NULL && b->w_host != NULL) + return -1; + if (a->w_host != NULL && b->w_host != NULL && + (i = sm_strcasecmp(a->w_host, b->w_host)) != 0) + return i; + + /* lock status */ + if (a->w_lock != b->w_lock) + return b->w_lock - a->w_lock; + + /* job priority */ + return workcmpf0(a, b); +} +/* +** WORKCMPF2 -- second compare function for ordering work based on host name. +** +** Sorts on lock status, host name, and priority in that order. +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** <0 if a < b +** 0 if a == b +** >0 if a > b +** +*/ + +static int +workcmpf2(a, b) + register WORK *a; + register WORK *b; +{ + int i; + + /* lock status */ + if (a->w_lock != b->w_lock) + return a->w_lock - b->w_lock; + + /* host name */ + if (a->w_host != NULL && b->w_host == NULL) + return 1; + else if (a->w_host == NULL && b->w_host != NULL) + return -1; + if (a->w_host != NULL && b->w_host != NULL && + (i = sm_strcasecmp(a->w_host, b->w_host)) != 0) + return i; + + /* job priority */ + return workcmpf0(a, b); +} +/* +** WORKCMPF3 -- simple submission-time-only compare function. +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** -1 if a < b +** 0 if a == b +** +1 if a > b +** +*/ + +static int +workcmpf3(a, b) + register WORK *a; + register WORK *b; +{ + if (a->w_ctime > b->w_ctime) + return 1; + else if (a->w_ctime < b->w_ctime) + return -1; + else + return 0; +} +/* +** WORKCMPF4 -- compare based on file name +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** -1 if a < b +** 0 if a == b +** +1 if a > b +** +*/ + +static int +workcmpf4(a, b) + register WORK *a; + register WORK *b; +{ + return strcmp(a->w_name, b->w_name); +} +/* +** WORKCMPF5 -- compare based on assigned random number +** +** Parameters: +** a -- the first argument (ignored). +** b -- the second argument (ignored). +** +** Returns: +** randomly 1/-1 +*/ + +/* ARGSUSED0 */ +static int +workcmpf5(a, b) + register WORK *a; + register WORK *b; +{ + if (strlen(a->w_name) < randi || strlen(b->w_name) < randi) + return -1; + return a->w_name[randi] - b->w_name[randi]; +} +/* +** WORKCMPF6 -- simple modification-time-only compare function. +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** -1 if a < b +** 0 if a == b +** +1 if a > b +** +*/ + +static int +workcmpf6(a, b) + register WORK *a; + register WORK *b; +{ + if (a->w_mtime > b->w_mtime) + return 1; + else if (a->w_mtime < b->w_mtime) + return -1; + else + return 0; +} +#if _FFR_RHS +/* +** WORKCMPF7 -- compare function for ordering work based on shuffled host name. +** +** Sorts on lock status, host name, and priority in that order. +** +** Parameters: +** a -- the first argument. +** b -- the second argument. +** +** Returns: +** <0 if a < b +** 0 if a == b +** >0 if a > b +** +*/ + +static int +workcmpf7(a, b) + register WORK *a; + register WORK *b; +{ + int i; + + /* lock status */ + if (a->w_lock != b->w_lock) + return a->w_lock - b->w_lock; + + /* host name */ + if (a->w_host != NULL && b->w_host == NULL) + return 1; + else if (a->w_host == NULL && b->w_host != NULL) + return -1; + if (a->w_host != NULL && b->w_host != NULL && + (i = sm_strshufflecmp(a->w_host, b->w_host)) != 0) + return i; + + /* job priority */ + return workcmpf0(a, b); +} +#endif /* _FFR_RHS */ +/* +** STRREV -- reverse string +** +** Returns a pointer to a new string that is the reverse of +** the string pointed to by fwd. The space for the new +** string is obtained using xalloc(). +** +** Parameters: +** fwd -- the string to reverse. +** +** Returns: +** the reversed string. +*/ + +static char * +strrev(fwd) + char *fwd; +{ + char *rev = NULL; + int len, cnt; + + len = strlen(fwd); + rev = xalloc(len + 1); + for (cnt = 0; cnt < len; ++cnt) + rev[cnt] = fwd[len - cnt - 1]; + rev[len] = '\0'; + return rev; +} + +#if _FFR_RHS + +# define NASCII 128 +# define NCHAR 256 + +static unsigned char ShuffledAlphabet[NCHAR]; + +void +init_shuffle_alphabet() +{ + static bool init = false; + int i; + + if (init) + return; + + /* fill the ShuffledAlphabet */ + for (i = 0; i < NCHAR; i++) + ShuffledAlphabet[i] = i; + + /* mix it */ + for (i = 1; i < NCHAR; i++) + { + register int j = get_random() % NCHAR; + register int tmp; + + tmp = ShuffledAlphabet[j]; + ShuffledAlphabet[j] = ShuffledAlphabet[i]; + ShuffledAlphabet[i] = tmp; + } + + /* make it case insensitive */ + for (i = 'A'; i <= 'Z'; i++) + ShuffledAlphabet[i] = ShuffledAlphabet[i + 'a' - 'A']; + + /* fill the upper part */ + for (i = 0; i < NCHAR; i++) + ShuffledAlphabet[i + NCHAR] = ShuffledAlphabet[i]; + init = true; +} + +static int +sm_strshufflecmp(a, b) + char *a; + char *b; +{ + const unsigned char *us1 = (const unsigned char *) a; + const unsigned char *us2 = (const unsigned char *) b; + + while (ShuffledAlphabet[*us1] == ShuffledAlphabet[*us2++]) + { + if (*us1++ == '\0') + return 0; + } + return (ShuffledAlphabet[*us1] - ShuffledAlphabet[*--us2]); +} +#endif /* _FFR_RHS */ + +/* +** DOWORK -- do a work request. +** +** Parameters: +** qgrp -- the index of the queue group for the job. +** qdir -- the index of the queue directory for the job. +** id -- the ID of the job to run. +** forkflag -- if set, run this in background. +** requeueflag -- if set, reinstantiate the queue quickly. +** This is used when expanding aliases in the queue. +** If forkflag is also set, it doesn't wait for the +** child. +** e - the envelope in which to run it. +** +** Returns: +** process id of process that is running the queue job. +** +** Side Effects: +** The work request is satisfied if possible. +*/ + +pid_t +dowork(qgrp, qdir, id, forkflag, requeueflag, e) + int qgrp; + int qdir; + char *id; + bool forkflag; + bool requeueflag; + register ENVELOPE *e; +{ + register pid_t pid; + SM_RPOOL_T *rpool; + + if (tTd(40, 1)) + sm_dprintf("dowork(%s/%s)\n", qid_printqueue(qgrp, qdir), id); + + /* + ** Fork for work. + */ + + if (forkflag) + { + /* + ** Since the delivery may happen in a child and the + ** parent does not wait, the parent may close the + ** maps thereby removing any shared memory used by + ** the map. Therefore, close the maps now so the + ** child will dynamically open them if necessary. + */ + + closemaps(false); + + pid = fork(); + if (pid < 0) + { + syserr("dowork: cannot fork"); + return 0; + } + else if (pid > 0) + { + /* parent -- clean out connection cache */ + mci_flush(false, NULL); + } + else + { + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + sm_exc_newthread(fatal_error); + + /* + ** See note above about SMTP processes and SIGCHLD. + */ + + if (OpMode == MD_SMTP || + OpMode == MD_DAEMON || + MaxQueueChildren > 0) + { + proc_list_clear(); + sm_releasesignal(SIGCHLD); + (void) sm_signal(SIGCHLD, SIG_DFL); + } + + /* child -- error messages to the transcript */ + QuickAbort = OnlyOneError = false; + } + } + else + { + pid = 0; + } + + if (pid == 0) + { + /* + ** CHILD + ** Lock the control file to avoid duplicate deliveries. + ** Then run the file as though we had just read it. + ** We save an idea of the temporary name so we + ** can recover on interrupt. + */ + + if (forkflag) + { + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + } + + /* set basic modes, etc. */ + sm_clear_events(); + clearstats(); + rpool = sm_rpool_new_x(NULL); + clearenvelope(e, false, rpool); + e->e_flags |= EF_QUEUERUN|EF_GLOBALERRS; + set_delivery_mode(SM_DELIVER, e); + e->e_errormode = EM_MAIL; + e->e_id = id; + e->e_qgrp = qgrp; + e->e_qdir = qdir; + GrabTo = UseErrorsTo = false; + ExitStat = EX_OK; + if (forkflag) + { + disconnect(1, e); + set_op_mode(MD_QUEUERUN); + } + sm_setproctitle(true, e, "%s from queue", qid_printname(e)); + if (LogLevel > 76) + sm_syslog(LOG_DEBUG, e->e_id, "dowork, pid=%d", + (int) CurrentPid); + + /* don't use the headers from sendmail.cf... */ + e->e_header = NULL; + + /* read the queue control file -- return if locked */ + if (!readqf(e, false)) + { + if (tTd(40, 4) && e->e_id != NULL) + sm_dprintf("readqf(%s) failed\n", + qid_printname(e)); + e->e_id = NULL; + if (forkflag) + finis(false, true, EX_OK); + else + { + /* adding this frees 8 bytes */ + clearenvelope(e, false, rpool); + + /* adding this frees 12 bytes */ + sm_rpool_free(rpool); + e->e_rpool = NULL; + return 0; + } + } + + e->e_flags |= EF_INQUEUE; + eatheader(e, requeueflag, true); + + if (requeueflag) + queueup(e, false, false); + + /* do the delivery */ + sendall(e, SM_DELIVER); + + /* finish up and exit */ + if (forkflag) + finis(true, true, ExitStat); + else + { + dropenvelope(e, true, false); + sm_rpool_free(rpool); + e->e_rpool = NULL; + } + } + e->e_id = NULL; + return pid; +} + +/* +** DOWORKLIST -- process a list of envelopes as work requests +** +** Similar to dowork(), except that after forking, it processes an +** envelope and its siblings, treating each envelope as a work request. +** +** Parameters: +** el -- envelope to be processed including its siblings. +** forkflag -- if set, run this in background. +** requeueflag -- if set, reinstantiate the queue quickly. +** This is used when expanding aliases in the queue. +** If forkflag is also set, it doesn't wait for the +** child. +** +** Returns: +** process id of process that is running the queue job. +** +** Side Effects: +** The work request is satisfied if possible. +*/ + +pid_t +doworklist(el, forkflag, requeueflag) + ENVELOPE *el; + bool forkflag; + bool requeueflag; +{ + register pid_t pid; + ENVELOPE *ei; + + if (tTd(40, 1)) + sm_dprintf("doworklist()\n"); + + /* + ** Fork for work. + */ + + if (forkflag) + { + /* + ** Since the delivery may happen in a child and the + ** parent does not wait, the parent may close the + ** maps thereby removing any shared memory used by + ** the map. Therefore, close the maps now so the + ** child will dynamically open them if necessary. + */ + + closemaps(false); + + pid = fork(); + if (pid < 0) + { + syserr("doworklist: cannot fork"); + return 0; + } + else if (pid > 0) + { + /* parent -- clean out connection cache */ + mci_flush(false, NULL); + } + else + { + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + sm_exc_newthread(fatal_error); + + /* + ** See note above about SMTP processes and SIGCHLD. + */ + + if (OpMode == MD_SMTP || + OpMode == MD_DAEMON || + MaxQueueChildren > 0) + { + proc_list_clear(); + sm_releasesignal(SIGCHLD); + (void) sm_signal(SIGCHLD, SIG_DFL); + } + + /* child -- error messages to the transcript */ + QuickAbort = OnlyOneError = false; + } + } + else + { + pid = 0; + } + + if (pid != 0) + return pid; + + /* + ** IN CHILD + ** Lock the control file to avoid duplicate deliveries. + ** Then run the file as though we had just read it. + ** We save an idea of the temporary name so we + ** can recover on interrupt. + */ + + if (forkflag) + { + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + } + + /* set basic modes, etc. */ + sm_clear_events(); + clearstats(); + GrabTo = UseErrorsTo = false; + ExitStat = EX_OK; + if (forkflag) + { + disconnect(1, el); + set_op_mode(MD_QUEUERUN); + } + if (LogLevel > 76) + sm_syslog(LOG_DEBUG, el->e_id, "doworklist, pid=%d", + (int) CurrentPid); + + for (ei = el; ei != NULL; ei = ei->e_sibling) + { + ENVELOPE e; + SM_RPOOL_T *rpool; + + if (WILL_BE_QUEUED(ei->e_sendmode)) + continue; + else if (QueueMode != QM_QUARANTINE && + ei->e_quarmsg != NULL) + continue; + + rpool = sm_rpool_new_x(NULL); + clearenvelope(&e, true, rpool); + e.e_flags |= EF_QUEUERUN|EF_GLOBALERRS; + set_delivery_mode(SM_DELIVER, &e); + e.e_errormode = EM_MAIL; + e.e_id = ei->e_id; + e.e_qgrp = ei->e_qgrp; + e.e_qdir = ei->e_qdir; + openxscript(&e); + sm_setproctitle(true, &e, "%s from queue", qid_printname(&e)); + + /* don't use the headers from sendmail.cf... */ + e.e_header = NULL; + CurEnv = &e; + + /* read the queue control file -- return if locked */ + if (readqf(&e, false)) + { + e.e_flags |= EF_INQUEUE; + eatheader(&e, requeueflag, true); + + if (requeueflag) + queueup(&e, false, false); + + /* do the delivery */ + sendall(&e, SM_DELIVER); + dropenvelope(&e, true, false); + } + else + { + if (tTd(40, 4) && e.e_id != NULL) + sm_dprintf("readqf(%s) failed\n", + qid_printname(&e)); + } + sm_rpool_free(rpool); + ei->e_id = NULL; + } + + /* restore CurEnv */ + CurEnv = el; + + /* finish up and exit */ + if (forkflag) + finis(true, true, ExitStat); + return 0; +} +/* +** READQF -- read queue file and set up environment. +** +** Parameters: +** e -- the envelope of the job to run. +** openonly -- only open the qf (returned as e_lockfp) +** +** Returns: +** true if it successfully read the queue file. +** false otherwise. +** +** Side Effects: +** The queue file is returned locked. +*/ + +static bool +readqf(e, openonly) + register ENVELOPE *e; + bool openonly; +{ + register SM_FILE_T *qfp; + ADDRESS *ctladdr; + struct stat st, stf; + char *bp; + int qfver = 0; + long hdrsize = 0; + register char *p; + char *frcpt = NULL; + char *orcpt = NULL; + bool nomore = false; + bool bogus = false; + MODE_T qsafe; + char *err; + char qf[MAXPATHLEN]; + char buf[MAXLINE]; + + /* + ** Read and process the file. + */ + + (void) sm_strlcpy(qf, queuename(e, ANYQFL_LETTER), sizeof qf); + qfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, qf, SM_IO_RDWR_B, NULL); + if (qfp == NULL) + { + int save_errno = errno; + + if (tTd(40, 8)) + sm_dprintf("readqf(%s): sm_io_open failure (%s)\n", + qf, sm_errstring(errno)); + errno = save_errno; + if (errno != ENOENT + ) + syserr("readqf: no control file %s", qf); + RELEASE_QUEUE; + return false; + } + + if (!lockfile(sm_io_getinfo(qfp, SM_IO_WHAT_FD, NULL), qf, NULL, + LOCK_EX|LOCK_NB)) + { + /* being processed by another queuer */ + if (Verbose) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%s: locked\n", e->e_id); + if (tTd(40, 8)) + sm_dprintf("%s: locked\n", e->e_id); + if (LogLevel > 19) + sm_syslog(LOG_DEBUG, e->e_id, "locked"); + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + RELEASE_QUEUE; + return false; + } + + RELEASE_QUEUE; + + /* + ** Prevent locking race condition. + ** + ** Process A: readqf(): qfp = fopen(qffile) + ** Process B: queueup(): rename(tf, qf) + ** Process B: unlocks(tf) + ** Process A: lockfile(qf); + ** + ** Process A (us) has the old qf file (before the rename deleted + ** the directory entry) and will be delivering based on old data. + ** This can lead to multiple deliveries of the same recipients. + ** + ** Catch this by checking if the underlying qf file has changed + ** *after* acquiring our lock and if so, act as though the file + ** was still locked (i.e., just return like the lockfile() case + ** above. + */ + + if (stat(qf, &stf) < 0 || + fstat(sm_io_getinfo(qfp, SM_IO_WHAT_FD, NULL), &st) < 0) + { + /* must have been being processed by someone else */ + if (tTd(40, 8)) + sm_dprintf("readqf(%s): [f]stat failure (%s)\n", + qf, sm_errstring(errno)); + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + return false; + } + + if (st.st_nlink != stf.st_nlink || + st.st_dev != stf.st_dev || + ST_INODE(st) != ST_INODE(stf) || +#if HAS_ST_GEN && 0 /* AFS returns garbage in st_gen */ + st.st_gen != stf.st_gen || +#endif /* HAS_ST_GEN && 0 */ + st.st_uid != stf.st_uid || + st.st_gid != stf.st_gid || + st.st_size != stf.st_size) + { + /* changed after opened */ + if (Verbose) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%s: changed\n", e->e_id); + if (tTd(40, 8)) + sm_dprintf("%s: changed\n", e->e_id); + if (LogLevel > 19) + sm_syslog(LOG_DEBUG, e->e_id, "changed"); + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + return false; + } + + /* + ** Check the queue file for plausibility to avoid attacks. + */ + + qsafe = S_IWOTH|S_IWGRP; + if (bitset(S_IWGRP, QueueFileMode)) + qsafe &= ~S_IWGRP; + + bogus = st.st_uid != geteuid() && + st.st_uid != TrustedUid && + geteuid() != RealUid; + + /* + ** If this qf file results from a set-group-ID binary, then + ** we check whether the directory is group-writable, + ** the queue file mode contains the group-writable bit, and + ** the groups are the same. + ** Notice: this requires that the set-group-ID binary is used to + ** run the queue! + */ + + if (bogus && st.st_gid == getegid() && UseMSP) + { + char delim; + struct stat dst; + + bp = SM_LAST_DIR_DELIM(qf); + if (bp == NULL) + delim = '\0'; + else + { + delim = *bp; + *bp = '\0'; + } + if (stat(delim == '\0' ? "." : qf, &dst) < 0) + syserr("readqf: cannot stat directory %s", + delim == '\0' ? "." : qf); + else + { + bogus = !(bitset(S_IWGRP, QueueFileMode) && + bitset(S_IWGRP, dst.st_mode) && + dst.st_gid == st.st_gid); + } + if (delim != '\0') + *bp = delim; + } + if (!bogus) + bogus = bitset(qsafe, st.st_mode); + if (bogus) + { + if (LogLevel > 0) + { + sm_syslog(LOG_ALERT, e->e_id, + "bogus queue file, uid=%d, gid=%d, mode=%o", + st.st_uid, st.st_gid, st.st_mode); + } + if (tTd(40, 8)) + sm_dprintf("readqf(%s): bogus file\n", qf); + e->e_flags |= EF_INQUEUE; + if (!openonly) + loseqfile(e, "bogus file uid/gid in mqueue"); + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + return false; + } + + if (st.st_size == 0) + { + /* must be a bogus file -- if also old, just remove it */ + if (!openonly && st.st_ctime + 10 * 60 < curtime()) + { + (void) xunlink(queuename(e, DATAFL_LETTER)); + (void) xunlink(queuename(e, ANYQFL_LETTER)); + } + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + return false; + } + + if (st.st_nlink == 0) + { + /* + ** Race condition -- we got a file just as it was being + ** unlinked. Just assume it is zero length. + */ + + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + return false; + } + +#if _FFR_TRUSTED_QF + /* + ** If we don't own the file mark it as unsafe. + ** However, allow TrustedUser to own it as well + ** in case TrustedUser manipulates the queue. + */ + + if (st.st_uid != geteuid() && st.st_uid != TrustedUid) + e->e_flags |= EF_UNSAFE; +#else /* _FFR_TRUSTED_QF */ + /* If we don't own the file mark it as unsafe */ + if (st.st_uid != geteuid()) + e->e_flags |= EF_UNSAFE; +#endif /* _FFR_TRUSTED_QF */ + + /* good file -- save this lock */ + e->e_lockfp = qfp; + + /* Just wanted the open file */ + if (openonly) + return true; + + /* do basic system initialization */ + initsys(e); + macdefine(&e->e_macro, A_PERM, 'i', e->e_id); + + LineNumber = 0; + e->e_flags |= EF_GLOBALERRS; + set_op_mode(MD_QUEUERUN); + ctladdr = NULL; + e->e_qfletter = queue_letter(e, ANYQFL_LETTER); + e->e_dfqgrp = e->e_qgrp; + e->e_dfqdir = e->e_qdir; +#if _FFR_QUEUE_MACRO + macdefine(&e->e_macro, A_TEMP, macid("{queue}"), + qid_printqueue(e->e_qgrp, e->e_qdir)); +#endif /* _FFR_QUEUE_MACRO */ + e->e_dfino = -1; + e->e_msgsize = -1; + while ((bp = fgetfolded(buf, sizeof buf, qfp)) != NULL) + { + unsigned long qflags; + ADDRESS *q; + int r; + time_t now; + auto char *ep; + + if (tTd(40, 4)) + sm_dprintf("+++++ %s\n", bp); + if (nomore) + { + /* hack attack */ + hackattack: + syserr("SECURITY ALERT: extra or bogus data in queue file: %s", + bp); + err = "bogus queue line"; + goto fail; + } + switch (bp[0]) + { + case 'A': /* AUTH= parameter */ + if (!xtextok(&bp[1])) + goto hackattack; + e->e_auth_param = sm_rpool_strdup_x(e->e_rpool, &bp[1]); + break; + + case 'B': /* body type */ + r = check_bodytype(&bp[1]); + if (!BODYTYPE_VALID(r)) + goto hackattack; + e->e_bodytype = sm_rpool_strdup_x(e->e_rpool, &bp[1]); + break; + + case 'C': /* specify controlling user */ + ctladdr = setctluser(&bp[1], qfver, e); + break; + + case 'D': /* data file name */ + /* obsolete -- ignore */ + break; + + case 'd': /* data file directory name */ + { + int qgrp, qdir; + +#if _FFR_MSP_PARANOIA + /* forbid queue groups in MSP? */ + if (UseMSP) + goto hackattack; +#endif /* _FFR_MSP_PARANOIA */ + for (qgrp = 0; + qgrp < NumQueue && Queue[qgrp] != NULL; + ++qgrp) + { + for (qdir = 0; + qdir < Queue[qgrp]->qg_numqueues; + ++qdir) + { + if (strcmp(&bp[1], + Queue[qgrp]->qg_qpaths[qdir].qp_name) + == 0) + { + e->e_dfqgrp = qgrp; + e->e_dfqdir = qdir; + goto done; + } + } + } + err = "bogus queue file directory"; + goto fail; + done: + break; + } + + case 'E': /* specify error recipient */ + /* no longer used */ + break; + + case 'F': /* flag bits */ + if (strncmp(bp, "From ", 5) == 0) + { + /* we are being spoofed! */ + syserr("SECURITY ALERT: bogus qf line %s", bp); + err = "bogus queue line"; + goto fail; + } + for (p = &bp[1]; *p != '\0'; p++) + { + switch (*p) + { + case '8': /* has 8 bit data */ + e->e_flags |= EF_HAS8BIT; + break; + + case 'b': /* delete Bcc: header */ + e->e_flags |= EF_DELETE_BCC; + break; + + case 'd': /* envelope has DSN RET= */ + e->e_flags |= EF_RET_PARAM; + break; + + case 'n': /* don't return body */ + e->e_flags |= EF_NO_BODY_RETN; + break; + + case 'r': /* response */ + e->e_flags |= EF_RESPONSE; + break; + + case 's': /* split */ + e->e_flags |= EF_SPLIT; + break; + + case 'w': /* warning sent */ + e->e_flags |= EF_WARNING; + break; + } + } + break; + + case 'q': /* quarantine reason */ + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, &bp[1]); + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), e->e_quarmsg); + break; + + case 'H': /* header */ + + /* + ** count size before chompheader() destroys the line. + ** this isn't accurate due to macro expansion, but + ** better than before. "-3" to skip H?? at least. + */ + + hdrsize += strlen(bp) - 3; + (void) chompheader(&bp[1], CHHDR_QUEUE, NULL, e); + break; + + case 'I': /* data file's inode number */ + /* regenerated below */ + break; + + case 'K': /* time of last delivery attempt */ + e->e_dtime = atol(&buf[1]); + break; + + case 'L': /* Solaris Content-Length: */ + case 'M': /* message */ + /* ignore this; we want a new message next time */ + break; + + case 'N': /* number of delivery attempts */ + e->e_ntries = atoi(&buf[1]); + + /* if this has been tried recently, let it be */ + now = curtime(); + if (e->e_ntries > 0 && e->e_dtime <= now && + now < e->e_dtime + MinQueueAge) + { + char *howlong; + + howlong = pintvl(now - e->e_dtime, true); + if (Verbose) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%s: too young (%s)\n", + e->e_id, howlong); + if (tTd(40, 8)) + sm_dprintf("%s: too young (%s)\n", + e->e_id, howlong); + if (LogLevel > 19) + sm_syslog(LOG_DEBUG, e->e_id, + "too young (%s)", + howlong); + e->e_id = NULL; + unlockqueue(e); + return false; + } + macdefine(&e->e_macro, A_TEMP, + macid("{ntries}"), &buf[1]); + +#if NAMED_BIND + /* adjust BIND parameters immediately */ + if (e->e_ntries == 0) + { + _res.retry = TimeOuts.res_retry[RES_TO_FIRST]; + _res.retrans = TimeOuts.res_retrans[RES_TO_FIRST]; + } + else + { + _res.retry = TimeOuts.res_retry[RES_TO_NORMAL]; + _res.retrans = TimeOuts.res_retrans[RES_TO_NORMAL]; + } +#endif /* NAMED_BIND */ + break; + + case 'P': /* message priority */ + e->e_msgpriority = atol(&bp[1]) + WkTimeFact; + break; + + case 'Q': /* original recipient */ + orcpt = sm_rpool_strdup_x(e->e_rpool, &bp[1]); + break; + + case 'r': /* final recipient */ + frcpt = sm_rpool_strdup_x(e->e_rpool, &bp[1]); + break; + + case 'R': /* specify recipient */ + p = bp; + qflags = 0; + if (qfver >= 1) + { + /* get flag bits */ + while (*++p != '\0' && *p != ':') + { + switch (*p) + { + case 'N': + qflags |= QHASNOTIFY; + break; + + case 'S': + qflags |= QPINGONSUCCESS; + break; + + case 'F': + qflags |= QPINGONFAILURE; + break; + + case 'D': + qflags |= QPINGONDELAY; + break; + + case 'P': + qflags |= QPRIMARY; + break; + + case 'A': + if (ctladdr != NULL) + ctladdr->q_flags |= QALIAS; + break; + + default: /* ignore or complain? */ + break; + } + } + } + else + qflags |= QPRIMARY; + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), + "e r"); + if (*p != '\0') + q = parseaddr(++p, NULLADDR, RF_COPYALL, '\0', + NULL, e, true); + else + q = NULL; + if (q != NULL) + { + /* make sure we keep the current qgrp */ + if (ISVALIDQGRP(e->e_qgrp)) + q->q_qgrp = e->e_qgrp; + q->q_alias = ctladdr; + if (qfver >= 1) + q->q_flags &= ~Q_PINGFLAGS; + q->q_flags |= qflags; + q->q_finalrcpt = frcpt; + q->q_orcpt = orcpt; + (void) recipient(q, &e->e_sendqueue, 0, e); + } + frcpt = NULL; + orcpt = NULL; + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), + NULL); + break; + + case 'S': /* sender */ + setsender(sm_rpool_strdup_x(e->e_rpool, &bp[1]), + e, NULL, '\0', true); + break; + + case 'T': /* init time */ + e->e_ctime = atol(&bp[1]); + break; + + case 'V': /* queue file version number */ + qfver = atoi(&bp[1]); + if (qfver <= QF_VERSION) + break; + syserr("Version number in queue file (%d) greater than max (%d)", + qfver, QF_VERSION); + err = "unsupported queue file version"; + goto fail; + /* NOTREACHED */ + break; + + case 'Z': /* original envelope id from ESMTP */ + e->e_envid = sm_rpool_strdup_x(e->e_rpool, &bp[1]); + macdefine(&e->e_macro, A_PERM, + macid("{dsn_envid}"), e->e_envid); + break; + + case '!': /* deliver by */ + + /* format: flag (1 char) space long-integer */ + e->e_dlvr_flag = buf[1]; + e->e_deliver_by = strtol(&buf[3], NULL, 10); + + case '$': /* define macro */ + { + char *p; + + /* XXX elimate p? */ + r = macid_parse(&bp[1], &ep); + if (r == 0) + break; + p = sm_rpool_strdup_x(e->e_rpool, ep); + macdefine(&e->e_macro, A_PERM, r, p); + } + break; + + case '.': /* terminate file */ + nomore = true; + break; + +#if _FFR_QUEUEDELAY + case 'G': + case 'Y': + + /* + ** Maintain backward compatibility for + ** users who defined _FFR_QUEUEDELAY in + ** previous releases. Remove this + ** code in 8.14 or 8.15. + */ + + if (qfver == 5 || qfver == 7) + break; + + /* If not qfver 5 or 7, then 'G' or 'Y' is invalid */ + /* FALLTHROUGH */ +#endif /* _FFR_QUEUEDELAY */ + + default: + syserr("readqf: %s: line %d: bad line \"%s\"", + qf, LineNumber, shortenstring(bp, MAXSHORTSTR)); + err = "unrecognized line"; + goto fail; + } + + if (bp != buf) + sm_free(bp); /* XXX */ + } + + /* + ** If we haven't read any lines, this queue file is empty. + ** Arrange to remove it without referencing any null pointers. + */ + + if (LineNumber == 0) + { + errno = 0; + e->e_flags |= EF_CLRQUEUE|EF_FATALERRS|EF_RESPONSE; + return true; + } + + /* Check to make sure we have a complete queue file read */ + if (!nomore) + { + syserr("readqf: %s: incomplete queue file read", qf); + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + return false; + } + + /* possibly set ${dsn_ret} macro */ + if (bitset(EF_RET_PARAM, e->e_flags)) + { + if (bitset(EF_NO_BODY_RETN, e->e_flags)) + macdefine(&e->e_macro, A_PERM, + macid("{dsn_ret}"), "hdrs"); + else + macdefine(&e->e_macro, A_PERM, + macid("{dsn_ret}"), "full"); + } + + /* + ** Arrange to read the data file. + */ + + p = queuename(e, DATAFL_LETTER); + e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, p, SM_IO_RDONLY_B, + NULL); + if (e->e_dfp == NULL) + { + syserr("readqf: cannot open %s", p); + } + else + { + e->e_flags |= EF_HAS_DF; + if (fstat(sm_io_getinfo(e->e_dfp, SM_IO_WHAT_FD, NULL), &st) + >= 0) + { + e->e_msgsize = st.st_size + hdrsize; + e->e_dfdev = st.st_dev; + e->e_dfino = ST_INODE(st); + (void) sm_snprintf(buf, sizeof buf, "%ld", + e->e_msgsize); + macdefine(&e->e_macro, A_TEMP, macid("{msg_size}"), + buf); + } + } + + return true; + + fail: + /* + ** There was some error reading the qf file (reason is in err var.) + ** Cleanup: + ** close file; clear e_lockfp since it is the same as qfp, + ** hence it is invalid (as file) after qfp is closed; + ** the qf file is on disk, so set the flag to avoid calling + ** queueup() with bogus data. + */ + + if (qfp != NULL) + (void) sm_io_close(qfp, SM_TIME_DEFAULT); + e->e_lockfp = NULL; + e->e_flags |= EF_INQUEUE; + loseqfile(e, err); + return false; +} +/* +** PRTSTR -- print a string, "unprintable" characters are shown as \oct +** +** Parameters: +** s -- string to print +** ml -- maximum length of output +** +** Returns: +** number of entries +** +** Side Effects: +** Prints a string on stdout. +*/ + +static void +prtstr(s, ml) + char *s; + int ml; +{ + int c; + + if (s == NULL) + return; + while (ml-- > 0 && ((c = *s++) != '\0')) + { + if (c == '\\') + { + if (ml-- > 0) + { + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, c); + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, c); + } + } + else if (isascii(c) && isprint(c)) + (void) sm_io_putc(smioout, SM_TIME_DEFAULT, c); + else + { + if ((ml -= 3) > 0) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\\%03o", c & 0xFF); + } + } +} +/* +** PRINTNQE -- print out number of entries in the mail queue +** +** Parameters: +** out -- output file pointer. +** prefix -- string to output in front of each line. +** +** Returns: +** none. +*/ + +void +printnqe(out, prefix) + SM_FILE_T *out; + char *prefix; +{ +#if SM_CONF_SHM + int i, k = 0, nrequests = 0; + bool unknown = false; + + if (ShmId == SM_SHM_NO_ID) + { + if (prefix == NULL) + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "Data unavailable: shared memory not updated\n"); + else + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%sNOTCONFIGURED:-1\r\n", prefix); + return; + } + for (i = 0; i < NumQueue && Queue[i] != NULL; i++) + { + int j; + + k++; + for (j = 0; j < Queue[i]->qg_numqueues; j++) + { + int n; + + if (StopRequest) + stop_sendmail(); + + n = QSHM_ENTRIES(Queue[i]->qg_qpaths[j].qp_idx); + if (prefix != NULL) + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%s%s:%d\r\n", + prefix, qid_printqueue(i, j), n); + else if (n < 0) + { + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%s: unknown number of entries\n", + qid_printqueue(i, j)); + unknown = true; + } + else if (n == 0) + { + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%s is empty\n", + qid_printqueue(i, j)); + } + else if (n > 0) + { + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%s: entries=%d\n", + qid_printqueue(i, j), n); + nrequests += n; + k++; + } + } + } + if (prefix == NULL && k > 1) + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "\t\tTotal requests: %d%s\n", + nrequests, unknown ? " (about)" : ""); +#else /* SM_CONF_SHM */ + if (prefix == NULL) + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "Data unavailable without shared memory support\n"); + else + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%sNOTAVAILABLE:-1\r\n", prefix); +#endif /* SM_CONF_SHM */ +} +/* +** PRINTQUEUE -- print out a representation of the mail queue +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** Prints a listing of the mail queue on the standard output. +*/ + +void +printqueue() +{ + int i, k = 0, nrequests = 0; + + for (i = 0; i < NumQueue && Queue[i] != NULL; i++) + { + int j; + + k++; + for (j = 0; j < Queue[i]->qg_numqueues; j++) + { + if (StopRequest) + stop_sendmail(); + nrequests += print_single_queue(i, j); + k++; + } + } + if (k > 1) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\t\tTotal requests: %d\n", + nrequests); +} +/* +** PRINT_SINGLE_QUEUE -- print out a representation of a single mail queue +** +** Parameters: +** qgrp -- the index of the queue group. +** qdir -- the queue directory. +** +** Returns: +** number of requests in mail queue. +** +** Side Effects: +** Prints a listing of the mail queue on the standard output. +*/ + +int +print_single_queue(qgrp, qdir) + int qgrp; + int qdir; +{ + register WORK *w; + SM_FILE_T *f; + int nrequests; + char qd[MAXPATHLEN]; + char qddf[MAXPATHLEN]; + char buf[MAXLINE]; + + if (qdir == NOQDIR) + { + (void) sm_strlcpy(qd, ".", sizeof qd); + (void) sm_strlcpy(qddf, ".", sizeof qddf); + } + else + { + (void) sm_strlcpyn(qd, sizeof qd, 2, + Queue[qgrp]->qg_qpaths[qdir].qp_name, + (bitset(QP_SUBQF, + Queue[qgrp]->qg_qpaths[qdir].qp_subdirs) + ? "/qf" : "")); + (void) sm_strlcpyn(qddf, sizeof qddf, 2, + Queue[qgrp]->qg_qpaths[qdir].qp_name, + (bitset(QP_SUBDF, + Queue[qgrp]->qg_qpaths[qdir].qp_subdirs) + ? "/df" : "")); + } + + /* + ** Check for permission to print the queue + */ + + if (bitset(PRIV_RESTRICTMAILQ, PrivacyFlags) && RealUid != 0) + { + struct stat st; +#ifdef NGROUPS_MAX + int n; + extern GIDSET_T InitialGidSet[NGROUPS_MAX]; +#endif /* NGROUPS_MAX */ + + if (stat(qd, &st) < 0) + { + syserr("Cannot stat %s", + qid_printqueue(qgrp, qdir)); + return 0; + } +#ifdef NGROUPS_MAX + n = NGROUPS_MAX; + while (--n >= 0) + { + if (InitialGidSet[n] == st.st_gid) + break; + } + if (n < 0 && RealGid != st.st_gid) +#else /* NGROUPS_MAX */ + if (RealGid != st.st_gid) +#endif /* NGROUPS_MAX */ + { + usrerr("510 You are not permitted to see the queue"); + setstat(EX_NOPERM); + return 0; + } + } + + /* + ** Read and order the queue. + */ + + nrequests = gatherq(qgrp, qdir, true, NULL, NULL); + (void) sortq(Queue[qgrp]->qg_maxlist); + + /* + ** Print the work list that we have read. + */ + + /* first see if there is anything */ + if (nrequests <= 0) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%s is empty\n", + qid_printqueue(qgrp, qdir)); + return 0; + } + + sm_getla(); /* get load average */ + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\t\t%s (%d request%s", + qid_printqueue(qgrp, qdir), + nrequests, nrequests == 1 ? "" : "s"); + if (MaxQueueRun > 0 && nrequests > MaxQueueRun) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + ", only %d printed", MaxQueueRun); + if (Verbose) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + ")\n-----Q-ID----- --Size-- -Priority- ---Q-Time--- --------Sender/Recipient--------\n"); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + ")\n-----Q-ID----- --Size-- -----Q-Time----- ------------Sender/Recipient-----------\n"); + for (w = WorkQ; w != NULL; w = w->w_next) + { + struct stat st; + auto time_t submittime = 0; + long dfsize; + int flags = 0; + int qfver; + char quarmsg[MAXLINE]; + char statmsg[MAXLINE]; + char bodytype[MAXNAME + 1]; + char qf[MAXPATHLEN]; + + if (StopRequest) + stop_sendmail(); + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%13s", + w->w_name + 2); + (void) sm_strlcpyn(qf, sizeof qf, 3, qd, "/", w->w_name); + f = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, qf, SM_IO_RDONLY_B, + NULL); + if (f == NULL) + { + if (errno == EPERM) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " (permission denied)\n"); + else if (errno == ENOENT) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " (job completed)\n"); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " (%s)\n", + sm_errstring(errno)); + errno = 0; + continue; + } + w->w_name[0] = DATAFL_LETTER; + (void) sm_strlcpyn(qf, sizeof qf, 3, qddf, "/", w->w_name); + if (stat(qf, &st) >= 0) + dfsize = st.st_size; + else + { + ENVELOPE e; + + /* + ** Maybe the df file can't be statted because + ** it is in a different directory than the qf file. + ** In order to find out, we must read the qf file. + */ + + newenvelope(&e, &BlankEnvelope, sm_rpool_new_x(NULL)); + e.e_id = w->w_name + 2; + e.e_qgrp = qgrp; + e.e_qdir = qdir; + dfsize = -1; + if (readqf(&e, false)) + { + char *df = queuename(&e, DATAFL_LETTER); + if (stat(df, &st) >= 0) + dfsize = st.st_size; + } + if (e.e_lockfp != NULL) + { + (void) sm_io_close(e.e_lockfp, SM_TIME_DEFAULT); + e.e_lockfp = NULL; + } + clearenvelope(&e, false, e.e_rpool); + sm_rpool_free(e.e_rpool); + } + if (w->w_lock) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "*"); + else if (QueueMode == QM_LOST) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "?"); + else if (w->w_tooyoung) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "-"); + else if (shouldqueue(w->w_pri, w->w_ctime)) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "X"); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, " "); + + errno = 0; + + quarmsg[0] = '\0'; + statmsg[0] = bodytype[0] = '\0'; + qfver = 0; + while (sm_io_fgets(f, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) + { + register int i; + register char *p; + + if (StopRequest) + stop_sendmail(); + + fixcrlf(buf, true); + switch (buf[0]) + { + case 'V': /* queue file version */ + qfver = atoi(&buf[1]); + break; + + case 'M': /* error message */ + if ((i = strlen(&buf[1])) >= sizeof statmsg) + i = sizeof statmsg - 1; + memmove(statmsg, &buf[1], i); + statmsg[i] = '\0'; + break; + + case 'q': /* quarantine reason */ + if ((i = strlen(&buf[1])) >= sizeof quarmsg) + i = sizeof quarmsg - 1; + memmove(quarmsg, &buf[1], i); + quarmsg[i] = '\0'; + break; + + case 'B': /* body type */ + if ((i = strlen(&buf[1])) >= sizeof bodytype) + i = sizeof bodytype - 1; + memmove(bodytype, &buf[1], i); + bodytype[i] = '\0'; + break; + + case 'S': /* sender name */ + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%8ld %10ld%c%.12s ", + dfsize, + w->w_pri, + bitset(EF_WARNING, flags) + ? '+' : ' ', + ctime(&submittime) + 4); + prtstr(&buf[1], 78); + } + else + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%8ld %.16s ", + dfsize, + ctime(&submittime)); + prtstr(&buf[1], 39); + } + + if (quarmsg[0] != '\0') + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "\n QUARANTINE: %.*s", + Verbose ? 100 : 60, + quarmsg); + quarmsg[0] = '\0'; + } + + if (statmsg[0] != '\0' || bodytype[0] != '\0') + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "\n %10.10s", + bodytype); + if (statmsg[0] != '\0') + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + " (%.*s)", + Verbose ? 100 : 60, + statmsg); + statmsg[0] = '\0'; + } + break; + + case 'C': /* controlling user */ + if (Verbose) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "\n\t\t\t\t\t\t(---%.64s---)", + &buf[1]); + break; + + case 'R': /* recipient name */ + p = &buf[1]; + if (qfver >= 1) + { + p = strchr(p, ':'); + if (p == NULL) + break; + p++; + } + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "\n\t\t\t\t\t\t"); + prtstr(p, 71); + } + else + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "\n\t\t\t\t\t "); + prtstr(p, 38); + } + if (Verbose && statmsg[0] != '\0') + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "\n\t\t (%.100s)", + statmsg); + statmsg[0] = '\0'; + } + break; + + case 'T': /* creation time */ + submittime = atol(&buf[1]); + break; + + case 'F': /* flag bits */ + for (p = &buf[1]; *p != '\0'; p++) + { + switch (*p) + { + case 'w': + flags |= EF_WARNING; + break; + } + } + } + } + if (submittime == (time_t) 0) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + " (no control file)"); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n"); + (void) sm_io_close(f, SM_TIME_DEFAULT); + } + return nrequests; +} + +/* +** QUEUE_LETTER -- get the proper queue letter for the current QueueMode. +** +** Parameters: +** e -- envelope to build it in/from. +** type -- the file type, used as the first character +** of the file name. +** +** Returns: +** the letter to use +*/ + +static char +queue_letter(e, type) + ENVELOPE *e; + int type; +{ + /* Change type according to QueueMode */ + if (type == ANYQFL_LETTER) + { + if (e->e_quarmsg != NULL) + type = QUARQF_LETTER; + else + { + switch (QueueMode) + { + case QM_NORMAL: + type = NORMQF_LETTER; + break; + + case QM_QUARANTINE: + type = QUARQF_LETTER; + break; + + case QM_LOST: + type = LOSEQF_LETTER; + break; + + default: + /* should never happen */ + abort(); + /* NOTREACHED */ + } + } + } + return type; +} + +/* +** QUEUENAME -- build a file name in the queue directory for this envelope. +** +** Parameters: +** e -- envelope to build it in/from. +** type -- the file type, used as the first character +** of the file name. +** +** Returns: +** a pointer to the queue name (in a static buffer). +** +** Side Effects: +** If no id code is already assigned, queuename() will +** assign an id code with assign_queueid(). If no queue +** directory is assigned, one will be set with setnewqueue(). +*/ + +char * +queuename(e, type) + register ENVELOPE *e; + int type; +{ + int qd, qg; + char *sub = "/"; + char pref[3]; + static char buf[MAXPATHLEN]; + + /* Assign an ID if needed */ + if (e->e_id == NULL) + assign_queueid(e); + type = queue_letter(e, type); + + /* begin of filename */ + pref[0] = (char) type; + pref[1] = 'f'; + pref[2] = '\0'; + + /* Assign a queue group/directory if needed */ + if (type == XSCRPT_LETTER) + { + /* + ** We don't want to call setnewqueue() if we are fetching + ** the pathname of the transcript file, because setnewqueue + ** chooses a queue, and sometimes we need to write to the + ** transcript file before we have gathered enough information + ** to choose a queue. + */ + + if (e->e_xfqgrp == NOQGRP || e->e_xfqdir == NOQDIR) + { + if (e->e_qgrp != NOQGRP && e->e_qdir != NOQDIR) + { + e->e_xfqgrp = e->e_qgrp; + e->e_xfqdir = e->e_qdir; + } + else + { + e->e_xfqgrp = 0; + if (Queue[e->e_xfqgrp]->qg_numqueues <= 1) + e->e_xfqdir = 0; + else + { + e->e_xfqdir = get_rand_mod( + Queue[e->e_xfqgrp]->qg_numqueues); + } + } + } + qd = e->e_xfqdir; + qg = e->e_xfqgrp; + } + else + { + if (e->e_qgrp == NOQGRP || e->e_qdir == NOQDIR) + setnewqueue(e); + if (type == DATAFL_LETTER) + { + qd = e->e_dfqdir; + qg = e->e_dfqgrp; + } + else + { + qd = e->e_qdir; + qg = e->e_qgrp; + } + } + + /* xf files always have a valid qd and qg picked above */ + if (e->e_qdir == NOQDIR && type != XSCRPT_LETTER) + (void) sm_strlcpyn(buf, sizeof buf, 2, pref, e->e_id); + else + { + switch (type) + { + case DATAFL_LETTER: + if (bitset(QP_SUBDF, Queue[qg]->qg_qpaths[qd].qp_subdirs)) + sub = "/df/"; + break; + + case QUARQF_LETTER: + case TEMPQF_LETTER: + case NEWQFL_LETTER: + case LOSEQF_LETTER: + case NORMQF_LETTER: + if (bitset(QP_SUBQF, Queue[qg]->qg_qpaths[qd].qp_subdirs)) + sub = "/qf/"; + break; + + case XSCRPT_LETTER: + if (bitset(QP_SUBXF, Queue[qg]->qg_qpaths[qd].qp_subdirs)) + sub = "/xf/"; + break; + + default: + sm_abort("queuename: bad queue file type %d", type); + } + + (void) sm_strlcpyn(buf, sizeof buf, 4, + Queue[qg]->qg_qpaths[qd].qp_name, + sub, pref, e->e_id); + } + + if (tTd(7, 2)) + sm_dprintf("queuename: %s\n", buf); + return buf; +} + +/* +** INIT_QID_ALG -- Initialize the (static) parameters that are used to +** generate a queue ID. +** +** This function is called by the daemon to reset +** LastQueueTime and LastQueuePid which are used by assign_queueid(). +** Otherwise the algorithm may cause problems because +** LastQueueTime and LastQueuePid are set indirectly by main() +** before the daemon process is started, hence LastQueuePid is not +** the pid of the daemon and therefore a child of the daemon can +** actually have the same pid as LastQueuePid which means the section +** in assign_queueid(): +** * see if we need to get a new base time/pid * +** is NOT triggered which will cause the same queue id to be generated. +** +** Parameters: +** none +** +** Returns: +** none. +*/ + +void +init_qid_alg() +{ + LastQueueTime = 0; + LastQueuePid = -1; +} + +/* +** ASSIGN_QUEUEID -- assign a queue ID for this envelope. +** +** Assigns an id code if one does not already exist. +** This code assumes that nothing will remain in the queue for +** longer than 60 years. It is critical that files with the given +** name do not already exist in the queue. +** [No longer initializes e_qdir to NOQDIR.] +** +** Parameters: +** e -- envelope to set it in. +** +** Returns: +** none. +*/ + +static const char QueueIdChars[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; +# define QIC_LEN 60 +# define QIC_LEN_R 62 + +/* +** Note: the length is "officially" 60 because minutes and seconds are +** usually only 0-59. However (Linux): +** tm_sec The number of seconds after the minute, normally in +** the range 0 to 59, but can be up to 61 to allow for +** leap seconds. +** Hence the real length of the string is 62 to take this into account. +** Alternatively % QIC_LEN can (should) be used for access everywhere. +*/ + +# define queuenextid() CurrentPid + + +void +assign_queueid(e) + register ENVELOPE *e; +{ + pid_t pid = queuenextid(); + static int cX = 0; + static long random_offset; + struct tm *tm; + char idbuf[MAXQFNAME - 2]; + int seq; + + if (e->e_id != NULL) + return; + + /* see if we need to get a new base time/pid */ + if (cX >= QIC_LEN * QIC_LEN || LastQueueTime == 0 || + LastQueuePid != pid) + { + time_t then = LastQueueTime; + + /* if the first time through, pick a random offset */ + if (LastQueueTime == 0) + random_offset = get_random(); + + while ((LastQueueTime = curtime()) == then && + LastQueuePid == pid) + { + (void) sleep(1); + } + LastQueuePid = queuenextid(); + cX = 0; + } + + /* + ** Generate a new sequence number between 0 and QIC_LEN*QIC_LEN-1. + ** This lets us generate up to QIC_LEN*QIC_LEN unique queue ids + ** per second, per process. With envelope splitting, + ** a single message can consume many queue ids. + */ + + seq = (int)((cX + random_offset) % (QIC_LEN * QIC_LEN)); + ++cX; + if (tTd(7, 50)) + sm_dprintf("assign_queueid: random_offset = %ld (%d)\n", + random_offset, seq); + + tm = gmtime(&LastQueueTime); + idbuf[0] = QueueIdChars[tm->tm_year % QIC_LEN]; + idbuf[1] = QueueIdChars[tm->tm_mon]; + idbuf[2] = QueueIdChars[tm->tm_mday]; + idbuf[3] = QueueIdChars[tm->tm_hour]; + idbuf[4] = QueueIdChars[tm->tm_min % QIC_LEN_R]; + idbuf[5] = QueueIdChars[tm->tm_sec % QIC_LEN_R]; + idbuf[6] = QueueIdChars[seq / QIC_LEN]; + idbuf[7] = QueueIdChars[seq % QIC_LEN]; + (void) sm_snprintf(&idbuf[8], sizeof idbuf - 8, "%06d", + (int) LastQueuePid); + e->e_id = sm_rpool_strdup_x(e->e_rpool, idbuf); + macdefine(&e->e_macro, A_PERM, 'i', e->e_id); +#if 0 + /* XXX: inherited from MainEnvelope */ + e->e_qgrp = NOQGRP; /* too early to do anything else */ + e->e_qdir = NOQDIR; + e->e_xfqgrp = NOQGRP; +#endif /* 0 */ + + /* New ID means it's not on disk yet */ + e->e_qfletter = '\0'; + + if (tTd(7, 1)) + sm_dprintf("assign_queueid: assigned id %s, e=%p\n", + e->e_id, e); + if (LogLevel > 93) + sm_syslog(LOG_DEBUG, e->e_id, "assigned id"); +} +/* +** SYNC_QUEUE_TIME -- Assure exclusive PID in any given second +** +** Make sure one PID can't be used by two processes in any one second. +** +** If the system rotates PIDs fast enough, may get the +** same pid in the same second for two distinct processes. +** This will interfere with the queue file naming system. +** +** Parameters: +** none +** +** Returns: +** none +*/ + +void +sync_queue_time() +{ +#if FAST_PID_RECYCLE + if (OpMode != MD_TEST && + OpMode != MD_VERIFY && + LastQueueTime > 0 && + LastQueuePid == CurrentPid && + curtime() == LastQueueTime) + (void) sleep(1); +#endif /* FAST_PID_RECYCLE */ +} +/* +** UNLOCKQUEUE -- unlock the queue entry for a specified envelope +** +** Parameters: +** e -- the envelope to unlock. +** +** Returns: +** none +** +** Side Effects: +** unlocks the queue for `e'. +*/ + +void +unlockqueue(e) + ENVELOPE *e; +{ + if (tTd(51, 4)) + sm_dprintf("unlockqueue(%s)\n", + e->e_id == NULL ? "NOQUEUE" : e->e_id); + + + /* if there is a lock file in the envelope, close it */ + if (e->e_lockfp != NULL) + (void) sm_io_close(e->e_lockfp, SM_TIME_DEFAULT); + e->e_lockfp = NULL; + + /* don't create a queue id if we don't already have one */ + if (e->e_id == NULL) + return; + + /* remove the transcript */ + if (LogLevel > 87) + sm_syslog(LOG_DEBUG, e->e_id, "unlock"); + if (!tTd(51, 104)) + (void) xunlink(queuename(e, XSCRPT_LETTER)); +} +/* +** SETCTLUSER -- create a controlling address +** +** Create a fake "address" given only a local login name; this is +** used as a "controlling user" for future recipient addresses. +** +** Parameters: +** user -- the user name of the controlling user. +** qfver -- the version stamp of this queue file. +** e -- envelope +** +** Returns: +** An address descriptor for the controlling user, +** using storage allocated from e->e_rpool. +** +*/ + +static ADDRESS * +setctluser(user, qfver, e) + char *user; + int qfver; + ENVELOPE *e; +{ + register ADDRESS *a; + struct passwd *pw; + char *p; + + /* + ** See if this clears our concept of controlling user. + */ + + if (user == NULL || *user == '\0') + return NULL; + + /* + ** Set up addr fields for controlling user. + */ + + a = (ADDRESS *) sm_rpool_malloc_x(e->e_rpool, sizeof *a); + memset((char *) a, '\0', sizeof *a); + + if (*user == ':') + { + p = &user[1]; + a->q_user = sm_rpool_strdup_x(e->e_rpool, p); + } + else + { + p = strtok(user, ":"); + a->q_user = sm_rpool_strdup_x(e->e_rpool, user); + if (qfver >= 2) + { + if ((p = strtok(NULL, ":")) != NULL) + a->q_uid = atoi(p); + if ((p = strtok(NULL, ":")) != NULL) + a->q_gid = atoi(p); + if ((p = strtok(NULL, ":")) != NULL) + { + char *o; + + a->q_flags |= QGOODUID; + + /* if there is another ':': restore it */ + if ((o = strtok(NULL, ":")) != NULL && o > p) + o[-1] = ':'; + } + } + else if ((pw = sm_getpwnam(user)) != NULL) + { + if (*pw->pw_dir == '\0') + a->q_home = NULL; + else if (strcmp(pw->pw_dir, "/") == 0) + a->q_home = ""; + else + a->q_home = sm_rpool_strdup_x(e->e_rpool, pw->pw_dir); + a->q_uid = pw->pw_uid; + a->q_gid = pw->pw_gid; + a->q_flags |= QGOODUID; + } + } + + a->q_flags |= QPRIMARY; /* flag as a "ctladdr" */ + a->q_mailer = LocalMailer; + if (p == NULL) + a->q_paddr = sm_rpool_strdup_x(e->e_rpool, a->q_user); + else + a->q_paddr = sm_rpool_strdup_x(e->e_rpool, p); + return a; +} +/* +** LOSEQFILE -- rename queue file with LOSEQF_LETTER & try to let someone know +** +** Parameters: +** e -- the envelope (e->e_id will be used). +** why -- reported to whomever can hear. +** +** Returns: +** none. +*/ + +void +loseqfile(e, why) + register ENVELOPE *e; + char *why; +{ + bool loseit = true; + char *p; + char buf[MAXPATHLEN]; + + if (e == NULL || e->e_id == NULL) + return; + p = queuename(e, ANYQFL_LETTER); + if (sm_strlcpy(buf, p, sizeof buf) >= sizeof buf) + return; + if (!bitset(EF_INQUEUE, e->e_flags)) + queueup(e, false, true); + else if (QueueMode == QM_LOST) + loseit = false; + + /* if already lost, no need to re-lose */ + if (loseit) + { + p = queuename(e, LOSEQF_LETTER); + if (rename(buf, p) < 0) + syserr("cannot rename(%s, %s), uid=%d", + buf, p, (int) geteuid()); + else if (LogLevel > 0) + sm_syslog(LOG_ALERT, e->e_id, + "Losing %s: %s", buf, why); + } + if (e->e_dfp != NULL) + { + (void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT); + e->e_dfp = NULL; + } + e->e_flags &= ~EF_HAS_DF; +} +/* +** NAME2QID -- translate a queue group name to a queue group id +** +** Parameters: +** queuename -- name of queue group. +** +** Returns: +** queue group id if found. +** NOQGRP otherwise. +*/ + +int +name2qid(queuename) + char *queuename; +{ + register STAB *s; + + s = stab(queuename, ST_QUEUE, ST_FIND); + if (s == NULL) + return NOQGRP; + return s->s_quegrp->qg_index; +} +/* +** QID_PRINTNAME -- create externally printable version of queue id +** +** Parameters: +** e -- the envelope. +** +** Returns: +** a printable version +*/ + +char * +qid_printname(e) + ENVELOPE *e; +{ + char *id; + static char idbuf[MAXQFNAME + 34]; + + if (e == NULL) + return ""; + + if (e->e_id == NULL) + id = ""; + else + id = e->e_id; + + if (e->e_qdir == NOQDIR) + return id; + + (void) sm_snprintf(idbuf, sizeof idbuf, "%.32s/%s", + Queue[e->e_qgrp]->qg_qpaths[e->e_qdir].qp_name, + id); + return idbuf; +} +/* +** QID_PRINTQUEUE -- create full version of queue directory for data files +** +** Parameters: +** qgrp -- index in queue group. +** qdir -- the short version of the queue directory +** +** Returns: +** the full pathname to the queue (might point to a static var) +*/ + +char * +qid_printqueue(qgrp, qdir) + int qgrp; + int qdir; +{ + char *subdir; + static char dir[MAXPATHLEN]; + + if (qdir == NOQDIR) + return Queue[qgrp]->qg_qdir; + + if (strcmp(Queue[qgrp]->qg_qpaths[qdir].qp_name, ".") == 0) + subdir = NULL; + else + subdir = Queue[qgrp]->qg_qpaths[qdir].qp_name; + + (void) sm_strlcpyn(dir, sizeof dir, 4, + Queue[qgrp]->qg_qdir, + subdir == NULL ? "" : "/", + subdir == NULL ? "" : subdir, + (bitset(QP_SUBDF, + Queue[qgrp]->qg_qpaths[qdir].qp_subdirs) + ? "/df" : "")); + return dir; +} + +/* +** PICKQDIR -- Pick a queue directory from a queue group +** +** Parameters: +** qg -- queue group +** fsize -- file size in bytes +** e -- envelope, or NULL +** +** Result: +** NOQDIR if no queue directory in qg has enough free space to +** hold a file of size 'fsize', otherwise the index of +** a randomly selected queue directory which resides on a +** file system with enough disk space. +** XXX This could be extended to select a queuedir with +** a few (the fewest?) number of entries. That data +** is available if shared memory is used. +** +** Side Effects: +** If the request fails and e != NULL then sm_syslog is called. +*/ + +int +pickqdir(qg, fsize, e) + QUEUEGRP *qg; + long fsize; + ENVELOPE *e; +{ + int qdir; + int i; + long avail = 0; + + /* Pick a random directory, as a starting point. */ + if (qg->qg_numqueues <= 1) + qdir = 0; + else + qdir = get_rand_mod(qg->qg_numqueues); + + if (MinBlocksFree <= 0 && fsize <= 0) + return qdir; + + /* + ** Now iterate over the queue directories, + ** looking for a directory with enough space for this message. + */ + + i = qdir; + do + { + QPATHS *qp = &qg->qg_qpaths[i]; + long needed = 0; + long fsavail = 0; + + if (fsize > 0) + needed += fsize / FILE_SYS_BLKSIZE(qp->qp_fsysidx) + + ((fsize % FILE_SYS_BLKSIZE(qp->qp_fsysidx) + > 0) ? 1 : 0); + if (MinBlocksFree > 0) + needed += MinBlocksFree; + fsavail = FILE_SYS_AVAIL(qp->qp_fsysidx); +#if SM_CONF_SHM + if (fsavail <= 0) + { + long blksize; + + /* + ** might be not correctly updated, + ** let's try to get the info directly. + */ + + fsavail = freediskspace(FILE_SYS_NAME(qp->qp_fsysidx), + &blksize); + if (fsavail < 0) + fsavail = 0; + } +#endif /* SM_CONF_SHM */ + if (needed <= fsavail) + return i; + if (avail < fsavail) + avail = fsavail; + + if (qg->qg_numqueues > 0) + i = (i + 1) % qg->qg_numqueues; + } while (i != qdir); + + if (e != NULL && LogLevel > 0) + sm_syslog(LOG_ALERT, e->e_id, + "low on space (%s needs %ld bytes + %ld blocks in %s), max avail: %ld", + CurHostName == NULL ? "SMTP-DAEMON" : CurHostName, + fsize, MinBlocksFree, + qg->qg_qdir, avail); + return NOQDIR; +} +/* +** SETNEWQUEUE -- Sets a new queue group and directory +** +** Assign a queue group and directory to an envelope and store the +** directory in e->e_qdir. +** +** Parameters: +** e -- envelope to assign a queue for. +** +** Returns: +** true if successful +** false otherwise +** +** Side Effects: +** On success, e->e_qgrp and e->e_qdir are non-negative. +** On failure (not enough disk space), +** e->qgrp = NOQGRP, e->e_qdir = NOQDIR +** and usrerr() is invoked (which could raise an exception). +*/ + +bool +setnewqueue(e) + ENVELOPE *e; +{ + if (tTd(41, 20)) + sm_dprintf("setnewqueue: called\n"); + + /* not set somewhere else */ + if (e->e_qgrp == NOQGRP) + { + ADDRESS *q; + + /* + ** Use the queue group of the "first" recipient, as set by + ** the "queuegroup" rule set. If that is not defined, then + ** use the queue group of the mailer of the first recipient. + ** If that is not defined either, then use the default + ** queue group. + ** Notice: "first" depends on the sorting of sendqueue + ** in recipient(). + ** To avoid problems with "bad" recipients look + ** for a valid address first. + */ + + q = e->e_sendqueue; + while (q != NULL && + (QS_IS_BADADDR(q->q_state) || QS_IS_DEAD(q->q_state))) + { + q = q->q_next; + } + if (q == NULL) + e->e_qgrp = 0; + else if (q->q_qgrp >= 0) + e->e_qgrp = q->q_qgrp; + else if (q->q_mailer != NULL && + ISVALIDQGRP(q->q_mailer->m_qgrp)) + e->e_qgrp = q->q_mailer->m_qgrp; + else + e->e_qgrp = 0; + e->e_dfqgrp = e->e_qgrp; + } + + if (ISVALIDQDIR(e->e_qdir) && ISVALIDQDIR(e->e_dfqdir)) + { + if (tTd(41, 20)) + sm_dprintf("setnewqueue: e_qdir already assigned (%s)\n", + qid_printqueue(e->e_qgrp, e->e_qdir)); + return true; + } + + filesys_update(); + e->e_qdir = pickqdir(Queue[e->e_qgrp], e->e_msgsize, e); + if (e->e_qdir == NOQDIR) + { + e->e_qgrp = NOQGRP; + if (!bitset(EF_FATALERRS, e->e_flags)) + usrerr("452 4.4.5 Insufficient disk space; try again later"); + e->e_flags |= EF_FATALERRS; + return false; + } + + if (tTd(41, 3)) + sm_dprintf("setnewqueue: Assigned queue directory %s\n", + qid_printqueue(e->e_qgrp, e->e_qdir)); + + if (e->e_xfqgrp == NOQGRP || e->e_xfqdir == NOQDIR) + { + e->e_xfqgrp = e->e_qgrp; + e->e_xfqdir = e->e_qdir; + } + e->e_dfqdir = e->e_qdir; + return true; +} +/* +** CHKQDIR -- check a queue directory +** +** Parameters: +** name -- name of queue directory +** sff -- flags for safefile() +** +** Returns: +** is it a queue directory? +*/ + +static bool +chkqdir(name, sff) + char *name; + long sff; +{ + struct stat statb; + int i; + + /* skip over . and .. directories */ + if (name[0] == '.' && + (name[1] == '\0' || (name[1] == '.' && name[2] == '\0'))) + return false; +#if HASLSTAT + if (lstat(name, &statb) < 0) +#else /* HASLSTAT */ + if (stat(name, &statb) < 0) +#endif /* HASLSTAT */ + { + if (tTd(41, 2)) + sm_dprintf("chkqdir: stat(\"%s\"): %s\n", + name, sm_errstring(errno)); + return false; + } +#if HASLSTAT + if (S_ISLNK(statb.st_mode)) + { + /* + ** For a symlink we need to make sure the + ** target is a directory + */ + + if (stat(name, &statb) < 0) + { + if (tTd(41, 2)) + sm_dprintf("chkqdir: stat(\"%s\"): %s\n", + name, sm_errstring(errno)); + return false; + } + } +#endif /* HASLSTAT */ + + if (!S_ISDIR(statb.st_mode)) + { + if (tTd(41, 2)) + sm_dprintf("chkqdir: \"%s\": Not a directory\n", + name); + return false; + } + + /* Print a warning if unsafe (but still use it) */ + /* XXX do this only if we want the warning? */ + i = safedirpath(name, RunAsUid, RunAsGid, NULL, sff, 0, 0); + if (i != 0) + { + if (tTd(41, 2)) + sm_dprintf("chkqdir: \"%s\": Not safe: %s\n", + name, sm_errstring(i)); +#if _FFR_CHK_QUEUE + if (LogLevel > 8) + sm_syslog(LOG_WARNING, NOQID, + "queue directory \"%s\": Not safe: %s", + name, sm_errstring(i)); +#endif /* _FFR_CHK_QUEUE */ + } + return true; +} +/* +** MULTIQUEUE_CACHE -- cache a list of paths to queues. +** +** Each potential queue is checked as the cache is built. +** Thereafter, each is blindly trusted. +** Note that we can be called again after a timeout to rebuild +** (although code for that is not ready yet). +** +** Parameters: +** basedir -- base of all queue directories. +** blen -- strlen(basedir). +** qg -- queue group. +** qn -- number of queue directories already cached. +** phash -- pointer to hash value over queue dirs. +#if SM_CONF_SHM +** only used if shared memory is active. +#endif * SM_CONF_SHM * +** +** Returns: +** new number of queue directories. +*/ + +#define INITIAL_SLOTS 20 +#define ADD_SLOTS 10 + +static int +multiqueue_cache(basedir, blen, qg, qn, phash) + char *basedir; + int blen; + QUEUEGRP *qg; + int qn; + unsigned int *phash; +{ + char *cp; + int i, len; + int slotsleft = 0; + long sff = SFF_ANYFILE; + char qpath[MAXPATHLEN]; + char subdir[MAXPATHLEN]; + char prefix[MAXPATHLEN]; /* dir relative to basedir */ + + if (tTd(41, 20)) + sm_dprintf("multiqueue_cache: called\n"); + + /* Initialize to current directory */ + prefix[0] = '.'; + prefix[1] = '\0'; + if (qg->qg_numqueues != 0 && qg->qg_qpaths != NULL) + { + for (i = 0; i < qg->qg_numqueues; i++) + { + if (qg->qg_qpaths[i].qp_name != NULL) + (void) sm_free(qg->qg_qpaths[i].qp_name); /* XXX */ + } + (void) sm_free((char *) qg->qg_qpaths); /* XXX */ + qg->qg_qpaths = NULL; + qg->qg_numqueues = 0; + } + + /* If running as root, allow safedirpath() checks to use privs */ + if (RunAsUid == 0) + sff |= SFF_ROOTOK; +#if _FFR_CHK_QUEUE + sff |= SFF_SAFEDIRPATH|SFF_NOWWFILES; + if (!UseMSP) + sff |= SFF_NOGWFILES; +#endif /* _FFR_CHK_QUEUE */ + + if (!SM_IS_DIR_START(qg->qg_qdir)) + { + /* + ** XXX we could add basedir, but then we have to realloc() + ** the string... Maybe another time. + */ + + syserr("QueuePath %s not absolute", qg->qg_qdir); + ExitStat = EX_CONFIG; + return qn; + } + + /* qpath: directory of current workgroup */ + len = sm_strlcpy(qpath, qg->qg_qdir, sizeof qpath); + if (len >= sizeof qpath) + { + syserr("QueuePath %.256s too long (%d max)", + qg->qg_qdir, (int) sizeof qpath); + ExitStat = EX_CONFIG; + return qn; + } + + /* begin of qpath must be same as basedir */ + if (strncmp(basedir, qpath, blen) != 0 && + (strncmp(basedir, qpath, blen - 1) != 0 || len != blen - 1)) + { + syserr("QueuePath %s not subpath of QueueDirectory %s", + qpath, basedir); + ExitStat = EX_CONFIG; + return qn; + } + + /* Do we have a nested subdirectory? */ + if (blen < len && SM_FIRST_DIR_DELIM(qg->qg_qdir + blen) != NULL) + { + + /* Copy subdirectory into prefix for later use */ + if (sm_strlcpy(prefix, qg->qg_qdir + blen, sizeof prefix) >= + sizeof prefix) + { + syserr("QueuePath %.256s too long (%d max)", + qg->qg_qdir, (int) sizeof qpath); + ExitStat = EX_CONFIG; + return qn; + } + cp = SM_LAST_DIR_DELIM(prefix); + SM_ASSERT(cp != NULL); + *cp = '\0'; /* cut off trailing / */ + } + + /* This is guaranteed by the basedir check above */ + SM_ASSERT(len >= blen - 1); + cp = &qpath[len - 1]; + if (*cp == '*') + { + register DIR *dp; + register struct dirent *d; + int off; + char *delim; + char relpath[MAXPATHLEN]; + + *cp = '\0'; /* Overwrite wildcard */ + if ((cp = SM_LAST_DIR_DELIM(qpath)) == NULL) + { + syserr("QueueDirectory: can not wildcard relative path"); + if (tTd(41, 2)) + sm_dprintf("multiqueue_cache: \"%s*\": Can not wildcard relative path.\n", + qpath); + ExitStat = EX_CONFIG; + return qn; + } + if (cp == qpath) + { + /* + ** Special case of top level wildcard, like /foo* + ** Change to //foo* + */ + + (void) sm_strlcpy(qpath + 1, qpath, sizeof qpath - 1); + ++cp; + } + delim = cp; + *(cp++) = '\0'; /* Replace / with \0 */ + len = strlen(cp); /* Last component of queue directory */ + + /* + ** Path relative to basedir, with trailing / + ** It will be modified below to specify the subdirectories + ** so they can be opened without chdir(). + */ + + off = sm_strlcpyn(relpath, sizeof relpath, 2, prefix, "/"); + SM_ASSERT(off < sizeof relpath); + + if (tTd(41, 2)) + sm_dprintf("multiqueue_cache: prefix=\"%s%s\"\n", + relpath, cp); + + /* It is always basedir: we don't need to store it per group */ + /* XXX: optimize this! -> one more global? */ + qg->qg_qdir = newstr(basedir); + qg->qg_qdir[blen - 1] = '\0'; /* cut off trailing / */ + + /* + ** XXX Should probably wrap this whole loop in a timeout + ** in case some wag decides to NFS mount the queues. + */ + + /* Test path to get warning messages. */ + if (qn == 0) + { + /* XXX qg_runasuid and qg_runasgid for specials? */ + i = safedirpath(basedir, RunAsUid, RunAsGid, NULL, + sff, 0, 0); + if (i != 0 && tTd(41, 2)) + sm_dprintf("multiqueue_cache: \"%s\": Not safe: %s\n", + basedir, sm_errstring(i)); + } + + if ((dp = opendir(prefix)) == NULL) + { + syserr("can not opendir(%s/%s)", qg->qg_qdir, prefix); + if (tTd(41, 2)) + sm_dprintf("multiqueue_cache: opendir(\"%s/%s\"): %s\n", + qg->qg_qdir, prefix, + sm_errstring(errno)); + ExitStat = EX_CONFIG; + return qn; + } + while ((d = readdir(dp)) != NULL) + { + i = strlen(d->d_name); + if (i < len || strncmp(d->d_name, cp, len) != 0) + { + if (tTd(41, 5)) + sm_dprintf("multiqueue_cache: \"%s\", skipped\n", + d->d_name); + continue; + } + + /* Create relative pathname: prefix + local directory */ + i = sizeof(relpath) - off; + if (sm_strlcpy(relpath + off, d->d_name, i) >= i) + continue; /* way too long */ + + if (!chkqdir(relpath, sff)) + continue; + + if (qg->qg_qpaths == NULL) + { + slotsleft = INITIAL_SLOTS; + qg->qg_qpaths = (QPATHS *)xalloc((sizeof *qg->qg_qpaths) * + slotsleft); + qg->qg_numqueues = 0; + } + else if (slotsleft < 1) + { + qg->qg_qpaths = (QPATHS *)sm_realloc((char *)qg->qg_qpaths, + (sizeof *qg->qg_qpaths) * + (qg->qg_numqueues + + ADD_SLOTS)); + if (qg->qg_qpaths == NULL) + { + (void) closedir(dp); + return qn; + } + slotsleft += ADD_SLOTS; + } + + /* check subdirs */ + qg->qg_qpaths[qg->qg_numqueues].qp_subdirs = QP_NOSUB; + +#define CHKRSUBDIR(name, flag) \ + (void) sm_strlcpyn(subdir, sizeof subdir, 3, relpath, "/", name); \ + if (chkqdir(subdir, sff)) \ + qg->qg_qpaths[qg->qg_numqueues].qp_subdirs |= flag; \ + else + + + CHKRSUBDIR("qf", QP_SUBQF); + CHKRSUBDIR("df", QP_SUBDF); + CHKRSUBDIR("xf", QP_SUBXF); + + /* assert(strlen(d->d_name) < MAXPATHLEN - 14) */ + /* maybe even - 17 (subdirs) */ + + if (prefix[0] != '.') + qg->qg_qpaths[qg->qg_numqueues].qp_name = + newstr(relpath); + else + qg->qg_qpaths[qg->qg_numqueues].qp_name = + newstr(d->d_name); + + if (tTd(41, 2)) + sm_dprintf("multiqueue_cache: %d: \"%s\" cached (%x).\n", + qg->qg_numqueues, relpath, + qg->qg_qpaths[qg->qg_numqueues].qp_subdirs); +#if SM_CONF_SHM + qg->qg_qpaths[qg->qg_numqueues].qp_idx = qn; + *phash = hash_q(relpath, *phash); +#endif /* SM_CONF_SHM */ + qg->qg_numqueues++; + ++qn; + slotsleft--; + } + (void) closedir(dp); + + /* undo damage */ + *delim = '/'; + } + if (qg->qg_numqueues == 0) + { + qg->qg_qpaths = (QPATHS *) xalloc(sizeof *qg->qg_qpaths); + + /* test path to get warning messages */ + i = safedirpath(qpath, RunAsUid, RunAsGid, NULL, sff, 0, 0); + if (i == ENOENT) + { + syserr("can not opendir(%s)", qpath); + if (tTd(41, 2)) + sm_dprintf("multiqueue_cache: opendir(\"%s\"): %s\n", + qpath, sm_errstring(i)); + ExitStat = EX_CONFIG; + return qn; + } + + qg->qg_qpaths[0].qp_subdirs = QP_NOSUB; + qg->qg_numqueues = 1; + + /* check subdirs */ +#define CHKSUBDIR(name, flag) \ + (void) sm_strlcpyn(subdir, sizeof subdir, 3, qg->qg_qdir, "/", name); \ + if (chkqdir(subdir, sff)) \ + qg->qg_qpaths[0].qp_subdirs |= flag; \ + else + + CHKSUBDIR("qf", QP_SUBQF); + CHKSUBDIR("df", QP_SUBDF); + CHKSUBDIR("xf", QP_SUBXF); + + if (qg->qg_qdir[blen - 1] != '\0' && + qg->qg_qdir[blen] != '\0') + { + /* + ** Copy the last component into qpaths and + ** cut off qdir + */ + + qg->qg_qpaths[0].qp_name = newstr(qg->qg_qdir + blen); + qg->qg_qdir[blen - 1] = '\0'; + } + else + qg->qg_qpaths[0].qp_name = newstr("."); + +#if SM_CONF_SHM + qg->qg_qpaths[0].qp_idx = qn; + *phash = hash_q(qg->qg_qpaths[0].qp_name, *phash); +#endif /* SM_CONF_SHM */ + ++qn; + } + return qn; +} + +/* +** FILESYS_FIND -- find entry in FileSys table, or add new one +** +** Given the pathname of a directory, determine the file system +** in which that directory resides, and return a pointer to the +** entry in the FileSys table that describes the file system. +** A new entry is added if necessary (and requested). +** If the directory does not exist, -1 is returned. +** +** Parameters: +** path -- pathname of directory +** add -- add to structure if not found. +** +** Returns: +** >=0: found: index in file system table +** <0: some error, i.e., +** FSF_TOO_MANY: too many filesystems (-> syserr()) +** FSF_STAT_FAIL: can't stat() filesystem (-> syserr()) +** FSF_NOT_FOUND: not in list +*/ + +static short filesys_find __P((char *, bool)); + +#define FSF_NOT_FOUND (-1) +#define FSF_STAT_FAIL (-2) +#define FSF_TOO_MANY (-3) + +static short +filesys_find(path, add) + char *path; + bool add; +{ + struct stat st; + short i; + + if (stat(path, &st) < 0) + { + syserr("cannot stat queue directory %s", path); + return FSF_STAT_FAIL; + } + for (i = 0; i < NumFileSys; ++i) + { + if (FILE_SYS_DEV(i) == st.st_dev) + return i; + } + if (i >= MAXFILESYS) + { + syserr("too many queue file systems (%d max)", MAXFILESYS); + return FSF_TOO_MANY; + } + if (!add) + return FSF_NOT_FOUND; + + ++NumFileSys; + FILE_SYS_NAME(i) = path; + FILE_SYS_DEV(i) = st.st_dev; + FILE_SYS_AVAIL(i) = 0; + FILE_SYS_BLKSIZE(i) = 1024; /* avoid divide by zero */ + return i; +} + +/* +** FILESYS_SETUP -- set up mapping from queue directories to file systems +** +** This data structure is used to efficiently check the amount of +** free space available in a set of queue directories. +** +** Parameters: +** add -- initialize structure if necessary. +** +** Returns: +** 0: success +** <0: some error, i.e., +** FSF_NOT_FOUND: not in list +** FSF_STAT_FAIL: can't stat() filesystem (-> syserr()) +** FSF_TOO_MANY: too many filesystems (-> syserr()) +*/ + +static int filesys_setup __P((bool)); + +static int +filesys_setup(add) + bool add; +{ + int i, j; + short fs; + int ret; + + ret = 0; + for (i = 0; i < NumQueue && Queue[i] != NULL; i++) + { + for (j = 0; j < Queue[i]->qg_numqueues; ++j) + { + QPATHS *qp = &Queue[i]->qg_qpaths[j]; + + fs = filesys_find(qp->qp_name, add); + if (fs >= 0) + qp->qp_fsysidx = fs; + else + qp->qp_fsysidx = 0; + if (fs < ret) + ret = fs; + } + } + return ret; +} + +/* +** FILESYS_UPDATE -- update amount of free space on all file systems +** +** The FileSys table is used to cache the amount of free space +** available on all queue directory file systems. +** This function updates the cached information if it has expired. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** Updates FileSys table. +*/ + +void +filesys_update() +{ + int i; + long avail, blksize; + time_t now; + static time_t nextupdate = 0; + +#if SM_CONF_SHM + /* only the daemon updates this structure */ + if (ShmId != SM_SHM_NO_ID && DaemonPid != CurrentPid) + return; +#endif /* SM_CONF_SHM */ + now = curtime(); + if (now < nextupdate) + return; + nextupdate = now + FILESYS_UPDATE_INTERVAL; + for (i = 0; i < NumFileSys; ++i) + { + FILESYS *fs = &FILE_SYS(i); + + avail = freediskspace(FILE_SYS_NAME(i), &blksize); + if (avail < 0 || blksize <= 0) + { + if (LogLevel > 5) + sm_syslog(LOG_ERR, NOQID, + "filesys_update failed: %s, fs=%s, avail=%ld, blocksize=%ld", + sm_errstring(errno), + FILE_SYS_NAME(i), avail, blksize); + fs->fs_avail = 0; + fs->fs_blksize = 1024; /* avoid divide by zero */ + nextupdate = now + 2; /* let's do this soon again */ + } + else + { + fs->fs_avail = avail; + fs->fs_blksize = blksize; + } + } +} + +#if _FFR_ANY_FREE_FS +/* +** FILESYS_FREE -- check whether there is at least one fs with enough space. +** +** Parameters: +** fsize -- file size in bytes +** +** Returns: +** true iff there is one fs with more than fsize bytes free. +*/ + +bool +filesys_free(fsize) + long fsize; +{ + int i; + + if (fsize <= 0) + return true; + for (i = 0; i < NumFileSys; ++i) + { + long needed = 0; + + if (FILE_SYS_AVAIL(i) < 0 || FILE_SYS_BLKSIZE(i) <= 0) + continue; + needed += fsize / FILE_SYS_BLKSIZE(i) + + ((fsize % FILE_SYS_BLKSIZE(i) + > 0) ? 1 : 0) + + MinBlocksFree; + if (needed <= FILE_SYS_AVAIL(i)) + return true; + } + return false; +} +#endif /* _FFR_ANY_FREE_FS */ + +#if _FFR_CONTROL_MSTAT +/* +** DISK_STATUS -- show amount of free space in queue directories +** +** Parameters: +** out -- output file pointer. +** prefix -- string to output in front of each line. +** +** Returns: +** none. +*/ + +void +disk_status(out, prefix) + SM_FILE_T *out; + char *prefix; +{ + int i; + long avail, blksize; + long free; + + for (i = 0; i < NumFileSys; ++i) + { + avail = freediskspace(FILE_SYS_NAME(i), &blksize); + if (avail >= 0 && blksize > 0) + { + free = (long)((double) avail * + ((double) blksize / 1024)); + } + else + free = -1; + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, + "%s%d/%s/%ld\r\n", + prefix, i, + FILE_SYS_NAME(i), + free); + } +} +#endif /* _FFR_CONTROL_MSTAT */ + +#if SM_CONF_SHM + +/* +** INIT_SEM -- initialize semaphore system +** +** Parameters: +** owner -- is this the owner of semaphores? +** +** Returns: +** none. +*/ + +#if _FFR_USE_SEM_LOCKING +#if SM_CONF_SEM +static int SemId = -1; /* Semaphore Id */ +int SemKey = SM_SEM_KEY; +#endif /* SM_CONF_SEM */ +#endif /* _FFR_USE_SEM_LOCKING */ + +static void init_sem __P((bool)); + +static void +init_sem(owner) + bool owner; +{ +#if _FFR_USE_SEM_LOCKING +#if SM_CONF_SEM + SemId = sm_sem_start(SemKey, 1, 0, owner); + if (SemId < 0) + { + sm_syslog(LOG_ERR, NOQID, + "func=init_sem, sem_key=%ld, sm_sem_start=%d", + (long) SemKey, SemId); + return; + } +#endif /* SM_CONF_SEM */ +#endif /* _FFR_USE_SEM_LOCKING */ + return; +} + +/* +** STOP_SEM -- stop semaphore system +** +** Parameters: +** owner -- is this the owner of semaphores? +** +** Returns: +** none. +*/ + +static void stop_sem __P((bool)); + +static void +stop_sem(owner) + bool owner; +{ +#if _FFR_USE_SEM_LOCKING +#if SM_CONF_SEM + if (owner && SemId >= 0) + sm_sem_stop(SemId); +#endif /* SM_CONF_SEM */ +#endif /* _FFR_USE_SEM_LOCKING */ + return; +} + +/* +** UPD_QS -- update information about queue when adding/deleting an entry +** +** Parameters: +** e -- envelope. +** count -- add/remove entry (+1/0/-1: add/no change/remove) +** space -- update the space available as well. +** (>0/0/<0: add/no change/remove) +** where -- caller (for logging) +** +** Returns: +** none. +** +** Side Effects: +** Modifies available space in filesystem. +** Changes number of entries in queue directory. +*/ + +void +upd_qs(e, count, space, where) + ENVELOPE *e; + int count; + int space; + char *where; +{ + short fidx; + int idx; +# if _FFR_USE_SEM_LOCKING + int r; +# endif /* _FFR_USE_SEM_LOCKING */ + long s; + + if (ShmId == SM_SHM_NO_ID || e == NULL) + return; + if (e->e_qgrp == NOQGRP || e->e_qdir == NOQDIR) + return; + idx = Queue[e->e_qgrp]->qg_qpaths[e->e_qdir].qp_idx; + if (tTd(73,2)) + sm_dprintf("func=upd_qs, count=%d, space=%d, where=%s, idx=%d, entries=%d\n", + count, space, where, idx, QSHM_ENTRIES(idx)); + + /* XXX in theory this needs to be protected with a mutex */ + if (QSHM_ENTRIES(idx) >= 0 && count != 0) + { +# if _FFR_USE_SEM_LOCKING + r = sm_sem_acq(SemId, 0, 1); +# endif /* _FFR_USE_SEM_LOCKING */ + QSHM_ENTRIES(idx) += count; +# if _FFR_USE_SEM_LOCKING + if (r >= 0) + r = sm_sem_rel(SemId, 0, 1); +# endif /* _FFR_USE_SEM_LOCKING */ + } + + fidx = Queue[e->e_qgrp]->qg_qpaths[e->e_qdir].qp_fsysidx; + if (fidx < 0) + return; + + /* update available space also? (might be loseqfile) */ + if (space == 0) + return; + + /* convert size to blocks; this causes rounding errors */ + s = e->e_msgsize / FILE_SYS_BLKSIZE(fidx); + if (s == 0) + return; + + /* XXX in theory this needs to be protected with a mutex */ + if (space > 0) + FILE_SYS_AVAIL(fidx) += s; + else + FILE_SYS_AVAIL(fidx) -= s; + +} + +#if _FFR_SELECT_SHM + +static bool write_key_file __P((char *, long)); +static long read_key_file __P((char *, long)); + +/* +** WRITE_KEY_FILE -- record some key into a file. +** +** Parameters: +** keypath -- file name. +** key -- key to write. +** +** Returns: +** true iff file could be written. +** +** Side Effects: +** writes file. +*/ + +static bool +write_key_file(keypath, key) + char *keypath; + long key; +{ + bool ok; + long sff; + SM_FILE_T *keyf; + + ok = false; + if (keypath == NULL || *keypath == '\0') + return ok; + sff = SFF_NOLINK|SFF_ROOTOK|SFF_REGONLY|SFF_CREAT; + if (TrustedUid != 0 && RealUid == TrustedUid) + sff |= SFF_OPENASROOT; + keyf = safefopen(keypath, O_WRONLY|O_TRUNC, FileMode, sff); + if (keyf == NULL) + { + sm_syslog(LOG_ERR, NOQID, "unable to write %s: %s", + keypath, sm_errstring(errno)); + } + else + { + ok = sm_io_fprintf(keyf, SM_TIME_DEFAULT, "%ld\n", key) != + SM_IO_EOF; + ok = (sm_io_close(keyf, SM_TIME_DEFAULT) != SM_IO_EOF) && ok; + } + return ok; +} + +/* +** READ_KEY_FILE -- read a key from a file. +** +** Parameters: +** keypath -- file name. +** key -- default key. +** +** Returns: +** key. +*/ + +static long +read_key_file(keypath, key) + char *keypath; + long key; +{ + int r; + long sff, n; + SM_FILE_T *keyf; + + if (keypath == NULL || *keypath == '\0') + return key; + sff = SFF_NOLINK|SFF_ROOTOK|SFF_REGONLY; + if (RealUid == 0 || (TrustedUid != 0 && RealUid == TrustedUid)) + sff |= SFF_OPENASROOT; + keyf = safefopen(keypath, O_RDONLY, FileMode, sff); + if (keyf == NULL) + { + sm_syslog(LOG_ERR, NOQID, "unable to read %s: %s", + keypath, sm_errstring(errno)); + } + else + { + r = sm_io_fscanf(keyf, SM_TIME_DEFAULT, "%ld", &n); + if (r == 1) + key = n; + (void) sm_io_close(keyf, SM_TIME_DEFAULT); + } + return key; +} +#endif /* _FFR_SELECT_SHM */ + +/* +** INIT_SHM -- initialize shared memory structure +** +** Initialize or attach to shared memory segment. +** Currently it is not a fatal error if this doesn't work. +** However, it causes us to have a "fallback" storage location +** for everything that is supposed to be in the shared memory, +** which makes the code slightly ugly. +** +** Parameters: +** qn -- number of queue directories. +** owner -- owner of shared memory. +** hash -- identifies data that is stored in shared memory. +** +** Returns: +** none. +*/ + +static void init_shm __P((int, bool, unsigned int)); + +static void +init_shm(qn, owner, hash) + int qn; + bool owner; + unsigned int hash; +{ + int i; + int count; + int save_errno; +#if _FFR_SELECT_SHM + bool keyselect; +#endif /* _FFR_SELECT_SHM */ + + PtrFileSys = &FileSys[0]; + PNumFileSys = &Numfilesys; +#if _FFR_SELECT_SHM +/* if this "key" is specified: select one yourself */ +# define SEL_SHM_KEY ((key_t) -1) +# define FIRST_SHM_KEY 25 +#endif /* _FFR_SELECT_SHM */ + + /* This allows us to disable shared memory at runtime. */ + if (ShmKey == 0) + return; + + count = 0; + shms = SM_T_SIZE + qn * sizeof(QUEUE_SHM_T); +#if _FFR_SELECT_SHM + keyselect = ShmKey == SEL_SHM_KEY; + if (keyselect) + { + if (owner) + ShmKey = FIRST_SHM_KEY; + else + { + ShmKey = read_key_file(ShmKeyFile, ShmKey); + keyselect = false; + if (ShmKey == SEL_SHM_KEY) + goto error; + } + } +#endif /* _FFR_SELECT_SHM */ + for (;;) + { + /* allow read/write access for group? */ + Pshm = sm_shmstart(ShmKey, shms, + SHM_R|SHM_W|(SHM_R>>3)|(SHM_W>>3), + &ShmId, owner); + save_errno = errno; + if (Pshm != NULL || !sm_file_exists(save_errno)) + break; + if (++count >= 3) + { +#if _FFR_SELECT_SHM + if (keyselect) + { + ++ShmKey; + + /* back where we started? */ + if (ShmKey == SEL_SHM_KEY) + break; + continue; + } +#endif /* _FFR_SELECT_SHM */ + break; + } +#if _FFR_SELECT_SHM + /* only sleep if we are at the first key */ + if (!keyselect || ShmKey == SEL_SHM_KEY) +#endif /* _FFR_SELECT_SHM */ + sleep(count); + } + if (Pshm != NULL) + { + int *p; + +#if _FFR_SELECT_SHM + if (keyselect) + (void) write_key_file(ShmKeyFile, (long) ShmKey); +#endif /* _FFR_SELECT_SHM */ + if (owner && RunAsUid != 0) + { + i = sm_shmsetowner(ShmId, RunAsUid, RunAsGid, + 0660); + if (i != 0) + sm_syslog(LOG_ERR, NOQID, + "key=%ld, sm_shmsetowner=%d, RunAsUid=%d, RunAsGid=%d", + (long) ShmKey, i, + RunAsUid, RunAsGid); + } + p = (int *) Pshm; + if (owner) + { + *p = (int) shms; + *((pid_t *) SHM_OFF_PID(Pshm)) = CurrentPid; + p = (int *) SHM_OFF_TAG(Pshm); + *p = hash; + } + else + { + if (*p != (int) shms) + { + save_errno = EINVAL; + cleanup_shm(false); + goto error; + } + p = (int *) SHM_OFF_TAG(Pshm); + if (*p != (int) hash) + { + save_errno = EINVAL; + cleanup_shm(false); + goto error; + } + + /* + ** XXX how to check the pid? + ** Read it from the pid-file? That does + ** not need to exist. + ** We could disable shm if we can't confirm + ** that it is the right one. + */ + } + + PtrFileSys = (FILESYS *) OFF_FILE_SYS(Pshm); + PNumFileSys = (int *) OFF_NUM_FILE_SYS(Pshm); + QShm = (QUEUE_SHM_T *) OFF_QUEUE_SHM(Pshm); + PRSATmpCnt = (int *) OFF_RSA_TMP_CNT(Pshm); + *PRSATmpCnt = 0; + if (owner) + { + /* initialize values in shared memory */ + NumFileSys = 0; + for (i = 0; i < qn; i++) + QShm[i].qs_entries = -1; + } + init_sem(owner); + return; + } + error: + if (LogLevel > (owner ? 8 : 11)) + { + sm_syslog(owner ? LOG_ERR : LOG_NOTICE, NOQID, + "can't %s shared memory, key=%ld: %s", + owner ? "initialize" : "attach to", + (long) ShmKey, sm_errstring(save_errno)); + } +} +#endif /* SM_CONF_SHM */ + + +/* +** SETUP_QUEUES -- setup all queue groups +** +** Parameters: +** owner -- owner of shared memory. +** +** Returns: +** none. +** +#if SM_CONF_SHM +** Side Effects: +** attaches shared memory. +#endif * SM_CONF_SHM * +*/ + +void +setup_queues(owner) + bool owner; +{ + int i, qn, len; + unsigned int hashval; + time_t now; + char basedir[MAXPATHLEN]; + struct stat st; + + /* + ** Determine basedir for all queue directories. + ** All queue directories must be (first level) subdirectories + ** of the basedir. The basedir is the QueueDir + ** without wildcards, but with trailing / + */ + + hashval = 0; + errno = 0; + len = sm_strlcpy(basedir, QueueDir, sizeof basedir); + + /* Provide space for trailing '/' */ + if (len >= sizeof basedir - 1) + { + syserr("QueueDirectory: path too long: %d, max %d", + len, (int) sizeof basedir - 1); + ExitStat = EX_CONFIG; + return; + } + SM_ASSERT(len > 0); + if (basedir[len - 1] == '*') + { + char *cp; + + cp = SM_LAST_DIR_DELIM(basedir); + if (cp == NULL) + { + syserr("QueueDirectory: can not wildcard relative path \"%s\"", + QueueDir); + if (tTd(41, 2)) + sm_dprintf("setup_queues: \"%s\": Can not wildcard relative path.\n", + QueueDir); + ExitStat = EX_CONFIG; + return; + } + + /* cut off wildcard pattern */ + *++cp = '\0'; + len = cp - basedir; + } + else if (!SM_IS_DIR_DELIM(basedir[len - 1])) + { + /* append trailing slash since it is a directory */ + basedir[len] = '/'; + basedir[++len] = '\0'; + } + + /* len counts up to the last directory delimiter */ + SM_ASSERT(basedir[len - 1] == '/'); + + if (chdir(basedir) < 0) + { + int save_errno = errno; + + syserr("can not chdir(%s)", basedir); + if (save_errno == EACCES) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Program mode requires special privileges, e.g., root or TrustedUser.\n"); + if (tTd(41, 2)) + sm_dprintf("setup_queues: \"%s\": %s\n", + basedir, sm_errstring(errno)); + ExitStat = EX_CONFIG; + return; + } +#if SM_CONF_SHM + hashval = hash_q(basedir, hashval); +#endif /* SM_CONF_SHM */ + + /* initialize for queue runs */ + DoQueueRun = false; + now = curtime(); + for (i = 0; i < NumQueue && Queue[i] != NULL; i++) + Queue[i]->qg_nextrun = now; + + + if (UseMSP && OpMode != MD_TEST) + { + long sff = SFF_CREAT; + + if (stat(".", &st) < 0) + { + syserr("can not stat(%s)", basedir); + if (tTd(41, 2)) + sm_dprintf("setup_queues: \"%s\": %s\n", + basedir, sm_errstring(errno)); + ExitStat = EX_CONFIG; + return; + } + if (RunAsUid == 0) + sff |= SFF_ROOTOK; + + /* + ** Check queue directory permissions. + ** Can we write to a group writable queue directory? + */ + + if (bitset(S_IWGRP, QueueFileMode) && + bitset(S_IWGRP, st.st_mode) && + safefile(" ", RunAsUid, RunAsGid, RunAsUserName, sff, + QueueFileMode, NULL) != 0) + { + syserr("can not write to queue directory %s (RunAsGid=%d, required=%d)", + basedir, (int) RunAsGid, (int) st.st_gid); + } + if (bitset(S_IWOTH|S_IXOTH, st.st_mode)) + { +#if _FFR_MSP_PARANOIA + syserr("dangerous permissions=%o on queue directory %s", + (int) st.st_mode, basedir); +#else /* _FFR_MSP_PARANOIA */ + if (LogLevel > 0) + sm_syslog(LOG_ERR, NOQID, + "dangerous permissions=%o on queue directory %s", + (int) st.st_mode, basedir); +#endif /* _FFR_MSP_PARANOIA */ + } +#if _FFR_MSP_PARANOIA + if (NumQueue > 1) + syserr("can not use multiple queues for MSP"); +#endif /* _FFR_MSP_PARANOIA */ + } + + /* initial number of queue directories */ + qn = 0; + for (i = 0; i < NumQueue && Queue[i] != NULL; i++) + qn = multiqueue_cache(basedir, len, Queue[i], qn, &hashval); + +#if SM_CONF_SHM + init_shm(qn, owner, hashval); + i = filesys_setup(owner || ShmId == SM_SHM_NO_ID); + if (i == FSF_NOT_FOUND) + { + /* + ** We didn't get the right filesystem data + ** This may happen if we don't have the right shared memory. + ** So let's do this without shared memory. + */ + + SM_ASSERT(!owner); + cleanup_shm(false); /* release shared memory */ + i = filesys_setup(false); + if (i < 0) + syserr("filesys_setup failed twice, result=%d", i); + else if (LogLevel > 8) + sm_syslog(LOG_WARNING, NOQID, + "shared memory does not contain expected data, ignored"); + } +#else /* SM_CONF_SHM */ + i = filesys_setup(true); +#endif /* SM_CONF_SHM */ + if (i < 0) + ExitStat = EX_CONFIG; +} + +#if SM_CONF_SHM +/* +** CLEANUP_SHM -- do some cleanup work for shared memory etc +** +** Parameters: +** owner -- owner of shared memory? +** +** Returns: +** none. +** +** Side Effects: +** detaches shared memory. +*/ + +void +cleanup_shm(owner) + bool owner; +{ + if (ShmId != SM_SHM_NO_ID) + { + if (sm_shmstop(Pshm, ShmId, owner) < 0 && LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, "sm_shmstop failed=%s", + sm_errstring(errno)); + Pshm = NULL; + ShmId = SM_SHM_NO_ID; + } + stop_sem(owner); +} +#endif /* SM_CONF_SHM */ + +/* +** CLEANUP_QUEUES -- do some cleanup work for queues +** +** Parameters: +** none. +** +** Returns: +** none. +** +*/ + +void +cleanup_queues() +{ + sync_queue_time(); +} +/* +** SET_DEF_QUEUEVAL -- set default values for a queue group. +** +** Parameters: +** qg -- queue group +** all -- set all values (true for default group)? +** +** Returns: +** none. +** +** Side Effects: +** sets default values for the queue group. +*/ + +void +set_def_queueval(qg, all) + QUEUEGRP *qg; + bool all; +{ + if (bitnset(QD_DEFINED, qg->qg_flags)) + return; + if (all) + qg->qg_qdir = QueueDir; +#if _FFR_QUEUE_GROUP_SORTORDER + qg->qg_sortorder = QueueSortOrder; +#endif /* _FFR_QUEUE_GROUP_SORTORDER */ + qg->qg_maxqrun = all ? MaxRunnersPerQueue : -1; + qg->qg_nice = NiceQueueRun; +} +/* +** MAKEQUEUE -- define a new queue. +** +** Parameters: +** line -- description of queue. This is in labeled fields. +** The fields are: +** F -- the flags associated with the queue +** I -- the interval between running the queue +** J -- the maximum # of jobs in work list +** [M -- the maximum # of jobs in a queue run] +** N -- the niceness at which to run +** P -- the path to the queue +** S -- the queue sorting order +** R -- number of parallel queue runners +** r -- max recipients per envelope +** The first word is the canonical name of the queue. +** qdef -- this is a 'Q' definition from .cf +** +** Returns: +** none. +** +** Side Effects: +** enters the queue into the queue table. +*/ + +void +makequeue(line, qdef) + char *line; + bool qdef; +{ + register char *p; + register QUEUEGRP *qg; + register STAB *s; + int i; + char fcode; + + /* allocate a queue and set up defaults */ + qg = (QUEUEGRP *) xalloc(sizeof *qg); + memset((char *) qg, '\0', sizeof *qg); + + if (line[0] == '\0') + { + syserr("name required for queue"); + return; + } + + /* collect the queue name */ + for (p = line; + *p != '\0' && *p != ',' && !(isascii(*p) && isspace(*p)); + p++) + continue; + if (*p != '\0') + *p++ = '\0'; + qg->qg_name = newstr(line); + + /* set default values, can be overridden below */ + set_def_queueval(qg, false); + + /* now scan through and assign info from the fields */ + while (*p != '\0') + { + auto char *delimptr; + + while (*p != '\0' && + (*p == ',' || (isascii(*p) && isspace(*p)))) + p++; + + /* p now points to field code */ + fcode = *p; + while (*p != '\0' && *p != '=' && *p != ',') + p++; + if (*p++ != '=') + { + syserr("queue %s: `=' expected", qg->qg_name); + return; + } + while (isascii(*p) && isspace(*p)) + p++; + + /* p now points to the field body */ + p = munchstring(p, &delimptr, ','); + + /* install the field into the queue struct */ + switch (fcode) + { + case 'P': /* pathname */ + if (*p == '\0') + syserr("queue %s: empty path name", + qg->qg_name); + else + qg->qg_qdir = newstr(p); + break; + + case 'F': /* flags */ + for (; *p != '\0'; p++) + if (!(isascii(*p) && isspace(*p))) + setbitn(*p, qg->qg_flags); + break; + + /* + ** Do we need two intervals here: + ** One for persistent queue runners, + ** one for "normal" queue runs? + */ + + case 'I': /* interval between running the queue */ + qg->qg_queueintvl = convtime(p, 'm'); + break; + + case 'N': /* run niceness */ + qg->qg_nice = atoi(p); + break; + + case 'R': /* maximum # of runners for the group */ + i = atoi(p); + + /* can't have more runners than allowed total */ + if (MaxQueueChildren > 0 && i > MaxQueueChildren) + { + qg->qg_maxqrun = MaxQueueChildren; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Q=%s: R=%d exceeds MaxQueueChildren=%d, set to MaxQueueChildren\n", + qg->qg_name, i, + MaxQueueChildren); + } + else + qg->qg_maxqrun = i; + break; + + case 'J': /* maximum # of jobs in work list */ + qg->qg_maxlist = atoi(p); + break; + + case 'r': /* max recipients per envelope */ + qg->qg_maxrcpt = atoi(p); + break; + +#if _FFR_QUEUE_GROUP_SORTORDER + case 'S': /* queue sorting order */ + switch (*p) + { + case 'h': /* Host first */ + case 'H': + qg->qg_sortorder = QSO_BYHOST; + break; + + case 'p': /* Priority order */ + case 'P': + qg->qg_sortorder = QSO_BYPRIORITY; + break; + + case 't': /* Submission time */ + case 'T': + qg->qg_sortorder = QSO_BYTIME; + break; + + case 'f': /* File name */ + case 'F': + qg->qg_sortorder = QSO_BYFILENAME; + break; + + case 'm': /* Modification time */ + case 'M': + qg->qg_sortorder = QSO_BYMODTIME; + break; + + case 'r': /* Random */ + case 'R': + qg->qg_sortorder = QSO_RANDOM; + break; + +# if _FFR_RHS + case 's': /* Shuffled host name */ + case 'S': + qg->qg_sortorder = QSO_BYSHUFFLE; + break; +# endif /* _FFR_RHS */ + + case 'n': /* none */ + case 'N': + qg->qg_sortorder = QSO_NONE; + break; + + default: + syserr("Invalid queue sort order \"%s\"", p); + } + break; +#endif /* _FFR_QUEUE_GROUP_SORTORDER */ + + default: + syserr("Q%s: unknown queue equate %c=", + qg->qg_name, fcode); + break; + } + + p = delimptr; + } + +#if !HASNICE + if (qg->qg_nice != NiceQueueRun) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Q%s: Warning: N= set on system that doesn't support nice()\n", + qg->qg_name); + } +#endif /* !HASNICE */ + + /* do some rationality checking */ + if (NumQueue >= MAXQUEUEGROUPS) + { + syserr("too many queue groups defined (%d max)", + MAXQUEUEGROUPS); + return; + } + + if (qg->qg_qdir == NULL) + { + if (QueueDir == NULL || *QueueDir == '\0') + { + syserr("QueueDir must be defined before queue groups"); + return; + } + qg->qg_qdir = newstr(QueueDir); + } + + if (qg->qg_maxqrun > 1 && !bitnset(QD_FORK, qg->qg_flags)) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Q=%s: R=%d: multiple queue runners specified\n\tbut flag '%c' is not set\n", + qg->qg_name, qg->qg_maxqrun, QD_FORK); + } + + /* enter the queue into the symbol table */ + if (tTd(37, 8)) + sm_syslog(LOG_INFO, NOQID, + "Adding %s to stab, path: %s", qg->qg_name, + qg->qg_qdir); + s = stab(qg->qg_name, ST_QUEUE, ST_ENTER); + if (s->s_quegrp != NULL) + { + i = s->s_quegrp->qg_index; + + /* XXX what about the pointers inside this struct? */ + sm_free(s->s_quegrp); /* XXX */ + } + else + i = NumQueue++; + Queue[i] = s->s_quegrp = qg; + qg->qg_index = i; + + /* set default value for max queue runners */ + if (qg->qg_maxqrun < 0) + { + if (MaxRunnersPerQueue > 0) + qg->qg_maxqrun = MaxRunnersPerQueue; + else + qg->qg_maxqrun = 1; + } + if (qdef) + setbitn(QD_DEFINED, qg->qg_flags); +} +#if 0 +/* +** HASHFQN -- calculate a hash value for a fully qualified host name +** +** Arguments: +** fqn -- an all lower-case host.domain string +** buckets -- the number of buckets (queue directories) +** +** Returns: +** a bucket number (signed integer) +** -1 on error +** +** Contributed by Exactis.com, Inc. +*/ + +int +hashfqn(fqn, buckets) + register char *fqn; + int buckets; +{ + register char *p; + register int h = 0, hash, cnt; + + if (fqn == NULL) + return -1; + + /* + ** A variation on the gdb hash + ** This is the best as of Feb 19, 1996 --bcx + */ + + p = fqn; + h = 0x238F13AF * strlen(p); + for (cnt = 0; *p != 0; ++p, cnt++) + { + h = (h + (*p << (cnt * 5 % 24))) & 0x7FFFFFFF; + } + h = (1103515243 * h + 12345) & 0x7FFFFFFF; + if (buckets < 2) + hash = 0; + else + hash = (h % buckets); + + return hash; +} +#endif /* 0 */ + +/* +** A structure for sorting Queue according to maxqrun without +** screwing up Queue itself. +*/ + +struct sortqgrp +{ + int sg_idx; /* original index */ + int sg_maxqrun; /* max queue runners */ +}; +typedef struct sortqgrp SORTQGRP_T; +static int cmpidx __P((const void *, const void *)); + +static int +cmpidx(a, b) + const void *a; + const void *b; +{ + /* The sort is highest to lowest, so the comparison is reversed */ + if (((SORTQGRP_T *)a)->sg_maxqrun < ((SORTQGRP_T *)b)->sg_maxqrun) + return 1; + else if (((SORTQGRP_T *)a)->sg_maxqrun > ((SORTQGRP_T *)b)->sg_maxqrun) + return -1; + else + return 0; +} + +/* +** MAKEWORKGROUP -- balance queue groups into work groups per MaxQueueChildren +** +** Take the now defined queue groups and assign them to work groups. +** This is done to balance out the number of concurrently active +** queue runners such that MaxQueueChildren is not exceeded. This may +** result in more than one queue group per work group. In such a case +** the number of running queue groups in that work group will have no +** more than the work group maximum number of runners (a "fair" portion +** of MaxQueueRunners). All queue groups within a work group will get a +** chance at running. +** +** Parameters: +** none. +** +** Returns: +** nothing. +** +** Side Effects: +** Sets up WorkGrp structure. +*/ + +void +makeworkgroups() +{ + int i, j, total_runners, dir, h; + SORTQGRP_T si[MAXQUEUEGROUPS + 1]; + + total_runners = 0; + if (NumQueue == 1 && strcmp(Queue[0]->qg_name, "mqueue") == 0) + { + /* + ** There is only the "mqueue" queue group (a default) + ** containing all of the queues. We want to provide to + ** this queue group the maximum allowable queue runners. + ** To match older behavior (8.10/8.11) we'll try for + ** 1 runner per queue capping it at MaxQueueChildren. + ** So if there are N queues, then there will be N runners + ** for the "mqueue" queue group (where N is kept less than + ** MaxQueueChildren). + */ + + NumWorkGroups = 1; + WorkGrp[0].wg_numqgrp = 1; + WorkGrp[0].wg_qgs = (QUEUEGRP **) xalloc(sizeof(QUEUEGRP *)); + WorkGrp[0].wg_qgs[0] = Queue[0]; + if (MaxQueueChildren > 0 && + Queue[0]->qg_numqueues > MaxQueueChildren) + WorkGrp[0].wg_runners = MaxQueueChildren; + else + WorkGrp[0].wg_runners = Queue[0]->qg_numqueues; + + Queue[0]->qg_wgrp = 0; + + /* can't have more runners than allowed total */ + if (MaxQueueChildren > 0 && + Queue[0]->qg_maxqrun > MaxQueueChildren) + Queue[0]->qg_maxqrun = MaxQueueChildren; + WorkGrp[0].wg_maxact = Queue[0]->qg_maxqrun; + WorkGrp[0].wg_lowqintvl = Queue[0]->qg_queueintvl; + return; + } + + for (i = 0; i < NumQueue; i++) + { + si[i].sg_maxqrun = Queue[i]->qg_maxqrun; + si[i].sg_idx = i; + } + qsort(si, NumQueue, sizeof(si[0]), cmpidx); + + NumWorkGroups = 0; + for (i = 0; i < NumQueue; i++) + { + total_runners += si[i].sg_maxqrun; + if (MaxQueueChildren <= 0 || total_runners <= MaxQueueChildren) + NumWorkGroups++; + else + break; + } + + if (NumWorkGroups < 1) + NumWorkGroups = 1; /* gotta have one at least */ + else if (NumWorkGroups > MAXWORKGROUPS) + NumWorkGroups = MAXWORKGROUPS; /* the limit */ + + /* + ** We now know the number of work groups to pack the queue groups + ** into. The queue groups in 'Queue' are sorted from highest + ** to lowest for the number of runners per queue group. + ** We put the queue groups with the largest number of runners + ** into work groups first. Then the smaller ones are fitted in + ** where it looks best. + */ + + j = 0; + dir = 1; + for (i = 0; i < NumQueue; i++) + { + /* a to-and-fro packing scheme, continue from last position */ + if (j >= NumWorkGroups) + { + dir = -1; + j = NumWorkGroups - 1; + } + else if (j < 0) + { + j = 0; + dir = 1; + } + + if (WorkGrp[j].wg_qgs == NULL) + WorkGrp[j].wg_qgs = (QUEUEGRP **)sm_malloc(sizeof(QUEUEGRP *) * + (WorkGrp[j].wg_numqgrp + 1)); + else + WorkGrp[j].wg_qgs = (QUEUEGRP **)sm_realloc(WorkGrp[j].wg_qgs, + sizeof(QUEUEGRP *) * + (WorkGrp[j].wg_numqgrp + 1)); + if (WorkGrp[j].wg_qgs == NULL) + { + syserr("!cannot allocate memory for work queues, need %d bytes", + (int) (sizeof(QUEUEGRP *) * + (WorkGrp[j].wg_numqgrp + 1))); + } + + h = si[i].sg_idx; + WorkGrp[j].wg_qgs[WorkGrp[j].wg_numqgrp] = Queue[h]; + WorkGrp[j].wg_numqgrp++; + WorkGrp[j].wg_runners += Queue[h]->qg_maxqrun; + Queue[h]->qg_wgrp = j; + + if (WorkGrp[j].wg_maxact == 0) + { + /* can't have more runners than allowed total */ + if (MaxQueueChildren > 0 && + Queue[h]->qg_maxqrun > MaxQueueChildren) + Queue[h]->qg_maxqrun = MaxQueueChildren; + WorkGrp[j].wg_maxact = Queue[h]->qg_maxqrun; + } + + /* + ** XXX: must wg_lowqintvl be the GCD? + ** qg1: 2m, qg2: 3m, minimum: 2m, when do queue runs for + ** qg2 occur? + */ + + /* keep track of the lowest interval for a persistent runner */ + if (Queue[h]->qg_queueintvl > 0 && + WorkGrp[j].wg_lowqintvl < Queue[h]->qg_queueintvl) + WorkGrp[j].wg_lowqintvl = Queue[h]->qg_queueintvl; + j += dir; + } + if (tTd(41, 9)) + { + for (i = 0; i < NumWorkGroups; i++) + { + sm_dprintf("Workgroup[%d]=", i); + for (j = 0; j < WorkGrp[i].wg_numqgrp; j++) + { + sm_dprintf("%s, ", + WorkGrp[i].wg_qgs[j]->qg_name); + } + sm_dprintf("\n"); + } + } +} + +/* +** DUP_DF -- duplicate envelope data file +** +** Copy the data file from the 'old' envelope to the 'new' envelope +** in the most efficient way possible. +** +** Create a hard link from the 'old' data file to the 'new' data file. +** If the old and new queue directories are on different file systems, +** then the new data file link is created in the old queue directory, +** and the new queue file will contain a 'd' record pointing to the +** directory containing the new data file. +** +** Parameters: +** old -- old envelope. +** new -- new envelope. +** +** Results: +** Returns true on success, false on failure. +** +** Side Effects: +** On success, the new data file is created. +** On fatal failure, EF_FATALERRS is set in old->e_flags. +*/ + +static bool dup_df __P((ENVELOPE *, ENVELOPE *)); + +static bool +dup_df(old, new) + ENVELOPE *old; + ENVELOPE *new; +{ + int ofs, nfs, r; + char opath[MAXPATHLEN]; + char npath[MAXPATHLEN]; + + if (!bitset(EF_HAS_DF, old->e_flags)) + { + /* + ** this can happen if: SuperSafe != True + ** and a bounce mail is sent that is split. + */ + + queueup(old, false, true); + } + SM_REQUIRE(ISVALIDQGRP(old->e_qgrp) && ISVALIDQDIR(old->e_qdir)); + SM_REQUIRE(ISVALIDQGRP(new->e_qgrp) && ISVALIDQDIR(new->e_qdir)); + + (void) sm_strlcpy(opath, queuename(old, DATAFL_LETTER), sizeof opath); + (void) sm_strlcpy(npath, queuename(new, DATAFL_LETTER), sizeof npath); + + if (old->e_dfp != NULL) + { + r = sm_io_setinfo(old->e_dfp, SM_BF_COMMIT, NULL); + if (r < 0 && errno != EINVAL) + { + syserr("@can't commit %s", opath); + old->e_flags |= EF_FATALERRS; + return false; + } + } + + /* + ** Attempt to create a hard link, if we think both old and new + ** are on the same file system, otherwise copy the file. + ** + ** Don't waste time attempting a hard link unless old and new + ** are on the same file system. + */ + + ofs = Queue[old->e_qgrp]->qg_qpaths[old->e_qdir].qp_fsysidx; + nfs = Queue[new->e_qgrp]->qg_qpaths[new->e_qdir].qp_fsysidx; + if (FILE_SYS_DEV(ofs) == FILE_SYS_DEV(nfs)) + { + if (link(opath, npath) == 0) + { + new->e_flags |= EF_HAS_DF; + SYNC_DIR(npath, true); + return true; + } + goto error; + } + + /* + ** Can't link across queue directories, so try to create a hard + ** link in the same queue directory as the old df file. + ** The qf file will refer to the new df file using a 'd' record. + */ + + new->e_dfqgrp = old->e_dfqgrp; + new->e_dfqdir = old->e_dfqdir; + (void) sm_strlcpy(npath, queuename(new, DATAFL_LETTER), sizeof npath); + if (link(opath, npath) == 0) + { + new->e_flags |= EF_HAS_DF; + SYNC_DIR(npath, true); + return true; + } + + error: + if (LogLevel > 0) + sm_syslog(LOG_ERR, old->e_id, + "dup_df: can't link %s to %s, error=%s, envelope splitting failed", + opath, npath, sm_errstring(errno)); + return false; +} + +/* +** SPLIT_ENV -- Allocate a new envelope based on a given envelope. +** +** Parameters: +** e -- envelope. +** sendqueue -- sendqueue for new envelope. +** qgrp -- index of queue group. +** qdir -- queue directory. +** +** Results: +** new envelope. +** +*/ + +static ENVELOPE *split_env __P((ENVELOPE *, ADDRESS *, int, int)); + +static ENVELOPE * +split_env(e, sendqueue, qgrp, qdir) + ENVELOPE *e; + ADDRESS *sendqueue; + int qgrp; + int qdir; +{ + ENVELOPE *ee; + + ee = (ENVELOPE *) sm_rpool_malloc_x(e->e_rpool, sizeof *ee); + STRUCTCOPY(*e, *ee); + ee->e_message = NULL; /* XXX use original message? */ + ee->e_id = NULL; + assign_queueid(ee); + ee->e_sendqueue = sendqueue; + ee->e_flags &= ~(EF_INQUEUE|EF_CLRQUEUE|EF_FATALERRS + |EF_SENDRECEIPT|EF_RET_PARAM|EF_HAS_DF); + ee->e_flags |= EF_NORECEIPT; /* XXX really? */ + ee->e_from.q_state = QS_SENDER; + ee->e_dfp = NULL; + ee->e_lockfp = NULL; + if (e->e_xfp != NULL) + ee->e_xfp = sm_io_dup(e->e_xfp); + + /* failed to dup e->e_xfp, start a new transcript */ + if (ee->e_xfp == NULL) + openxscript(ee); + + ee->e_qgrp = ee->e_dfqgrp = qgrp; + ee->e_qdir = ee->e_dfqdir = qdir; + ee->e_errormode = EM_MAIL; + ee->e_statmsg = NULL; + if (e->e_quarmsg != NULL) + ee->e_quarmsg = sm_rpool_strdup_x(ee->e_rpool, + e->e_quarmsg); + + /* + ** XXX Not sure if this copying is necessary. + ** sendall() does this copying, but I (dm) don't know if that is + ** because of the storage management discipline we were using + ** before rpools were introduced, or if it is because these lists + ** can be modified later. + */ + + ee->e_header = copyheader(e->e_header, ee->e_rpool); + ee->e_errorqueue = copyqueue(e->e_errorqueue, ee->e_rpool); + + return ee; +} + +/* return values from split functions, check also below! */ +#define SM_SPLIT_FAIL (0) +#define SM_SPLIT_NONE (1) +#define SM_SPLIT_NEW(n) (1 + (n)) + +/* +** SPLIT_ACROSS_QUEUE_GROUPS +** +** This function splits an envelope across multiple queue groups +** based on the queue group of each recipient. +** +** Parameters: +** e -- envelope. +** +** Results: +** SM_SPLIT_FAIL on failure +** SM_SPLIT_NONE if no splitting occurred, +** or 1 + the number of additional envelopes created. +** +** Side Effects: +** On success, e->e_sibling points to a list of zero or more +** additional envelopes, and the associated data files exist +** on disk. But the queue files are not created. +** +** On failure, e->e_sibling is not changed. +** The order of recipients in e->e_sendqueue is permuted. +** Abandoned data files for additional envelopes that failed +** to be created may exist on disk. +*/ + +static int q_qgrp_compare __P((const void *, const void *)); +static int e_filesys_compare __P((const void *, const void *)); + +static int +q_qgrp_compare(p1, p2) + const void *p1; + const void *p2; +{ + ADDRESS **pq1 = (ADDRESS **) p1; + ADDRESS **pq2 = (ADDRESS **) p2; + + return (*pq1)->q_qgrp - (*pq2)->q_qgrp; +} + +static int +e_filesys_compare(p1, p2) + const void *p1; + const void *p2; +{ + ENVELOPE **pe1 = (ENVELOPE **) p1; + ENVELOPE **pe2 = (ENVELOPE **) p2; + int fs1, fs2; + + fs1 = Queue[(*pe1)->e_qgrp]->qg_qpaths[(*pe1)->e_qdir].qp_fsysidx; + fs2 = Queue[(*pe2)->e_qgrp]->qg_qpaths[(*pe2)->e_qdir].qp_fsysidx; + if (FILE_SYS_DEV(fs1) < FILE_SYS_DEV(fs2)) + return -1; + if (FILE_SYS_DEV(fs1) > FILE_SYS_DEV(fs2)) + return 1; + return 0; +} + +static int +split_across_queue_groups(e) + ENVELOPE *e; +{ + int naddrs, nsplits, i; + bool changed; + char **pvp; + ADDRESS *q, **addrs; + ENVELOPE *ee, *es; + ENVELOPE *splits[MAXQUEUEGROUPS]; + char pvpbuf[PSBUFSIZE]; + + SM_REQUIRE(ISVALIDQGRP(e->e_qgrp)); + + /* Count addresses and assign queue groups. */ + naddrs = 0; + changed = false; + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_DEAD(q->q_state)) + continue; + ++naddrs; + + /* bad addresses and those already sent stay put */ + if (QS_IS_BADADDR(q->q_state) || + QS_IS_SENT(q->q_state)) + q->q_qgrp = e->e_qgrp; + else if (!ISVALIDQGRP(q->q_qgrp)) + { + /* call ruleset which should return a queue group */ + i = rscap(RS_QUEUEGROUP, q->q_user, NULL, e, &pvp, + pvpbuf, sizeof(pvpbuf)); + if (i == EX_OK && + pvp != NULL && pvp[0] != NULL && + (pvp[0][0] & 0377) == CANONNET && + pvp[1] != NULL && pvp[1][0] != '\0') + { + i = name2qid(pvp[1]); + if (ISVALIDQGRP(i)) + { + q->q_qgrp = i; + changed = true; + if (tTd(20, 4)) + sm_syslog(LOG_INFO, NOQID, + "queue group name %s -> %d", + pvp[1], i); + continue; + } + else if (LogLevel > 10) + sm_syslog(LOG_INFO, NOQID, + "can't find queue group name %s, selection ignored", + pvp[1]); + } + if (q->q_mailer != NULL && + ISVALIDQGRP(q->q_mailer->m_qgrp)) + { + changed = true; + q->q_qgrp = q->q_mailer->m_qgrp; + } + else if (ISVALIDQGRP(e->e_qgrp)) + q->q_qgrp = e->e_qgrp; + else + q->q_qgrp = 0; + } + } + + /* only one address? nothing to split. */ + if (naddrs <= 1 && !changed) + return SM_SPLIT_NONE; + + /* sort the addresses by queue group */ + addrs = sm_rpool_malloc_x(e->e_rpool, naddrs * sizeof(ADDRESS *)); + for (i = 0, q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_DEAD(q->q_state)) + continue; + addrs[i++] = q; + } + qsort(addrs, naddrs, sizeof(ADDRESS *), q_qgrp_compare); + + /* split into multiple envelopes, by queue group */ + nsplits = 0; + es = NULL; + e->e_sendqueue = NULL; + for (i = 0; i < naddrs; ++i) + { + if (i == naddrs - 1 || addrs[i]->q_qgrp != addrs[i + 1]->q_qgrp) + addrs[i]->q_next = NULL; + else + addrs[i]->q_next = addrs[i + 1]; + + /* same queue group as original envelope? */ + if (addrs[i]->q_qgrp == e->e_qgrp) + { + if (e->e_sendqueue == NULL) + e->e_sendqueue = addrs[i]; + continue; + } + + /* different queue group than original envelope */ + if (es == NULL || addrs[i]->q_qgrp != es->e_qgrp) + { + ee = split_env(e, addrs[i], addrs[i]->q_qgrp, NOQDIR); + es = ee; + splits[nsplits++] = ee; + } + } + + /* no splits? return right now. */ + if (nsplits <= 0) + return SM_SPLIT_NONE; + + /* assign a queue directory to each additional envelope */ + for (i = 0; i < nsplits; ++i) + { + es = splits[i]; +#if 0 + es->e_qdir = pickqdir(Queue[es->e_qgrp], es->e_msgsize, es); +#endif /* 0 */ + if (!setnewqueue(es)) + goto failure; + } + + /* sort the additional envelopes by queue file system */ + qsort(splits, nsplits, sizeof(ENVELOPE *), e_filesys_compare); + + /* create data files for each additional envelope */ + if (!dup_df(e, splits[0])) + { + i = 0; + goto failure; + } + for (i = 1; i < nsplits; ++i) + { + /* copy or link to the previous data file */ + if (!dup_df(splits[i - 1], splits[i])) + goto failure; + } + + /* success: prepend the new envelopes to the e->e_sibling list */ + for (i = 0; i < nsplits; ++i) + { + es = splits[i]; + es->e_sibling = e->e_sibling; + e->e_sibling = es; + } + return SM_SPLIT_NEW(nsplits); + + /* failure: clean up */ + failure: + if (i > 0) + { + int j; + + for (j = 0; j < i; j++) + (void) unlink(queuename(splits[j], DATAFL_LETTER)); + } + e->e_sendqueue = addrs[0]; + for (i = 0; i < naddrs - 1; ++i) + addrs[i]->q_next = addrs[i + 1]; + addrs[naddrs - 1]->q_next = NULL; + return SM_SPLIT_FAIL; +} + +/* +** SPLIT_WITHIN_QUEUE +** +** Split an envelope with multiple recipients into several +** envelopes within the same queue directory, if the number of +** recipients exceeds the limit for the queue group. +** +** Parameters: +** e -- envelope. +** +** Results: +** SM_SPLIT_FAIL on failure +** SM_SPLIT_NONE if no splitting occurred, +** or 1 + the number of additional envelopes created. +*/ + +#define SPLIT_LOG_LEVEL 8 + +static int split_within_queue __P((ENVELOPE *)); + +static int +split_within_queue(e) + ENVELOPE *e; +{ + int maxrcpt, nrcpt, ndead, nsplit, i; + int j, l; + char *lsplits; + ADDRESS *q, **addrs; + ENVELOPE *ee, *firstsibling; + + if (!ISVALIDQGRP(e->e_qgrp) || bitset(EF_SPLIT, e->e_flags)) + return SM_SPLIT_NONE; + + /* don't bother if there is no recipient limit */ + maxrcpt = Queue[e->e_qgrp]->qg_maxrcpt; + if (maxrcpt <= 0) + return SM_SPLIT_NONE; + + /* count recipients */ + nrcpt = 0; + for (q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_DEAD(q->q_state)) + continue; + ++nrcpt; + } + if (nrcpt <= maxrcpt) + return SM_SPLIT_NONE; + + /* + ** Preserve the recipient list + ** so that we can restore it in case of error. + ** (But we discard dead addresses.) + */ + + addrs = sm_rpool_malloc_x(e->e_rpool, nrcpt * sizeof(ADDRESS *)); + for (i = 0, q = e->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_DEAD(q->q_state)) + continue; + addrs[i++] = q; + } + + /* + ** Partition the recipient list so that bad and sent addresses + ** come first. These will go with the original envelope, and + ** do not count towards the maxrcpt limit. + ** addrs[] does not contain QS_IS_DEAD() addresses. + */ + + ndead = 0; + for (i = 0; i < nrcpt; ++i) + { + if (QS_IS_BADADDR(addrs[i]->q_state) || + QS_IS_SENT(addrs[i]->q_state) || + QS_IS_DEAD(addrs[i]->q_state)) /* for paranoia's sake */ + { + if (i > ndead) + { + ADDRESS *tmp = addrs[i]; + + addrs[i] = addrs[ndead]; + addrs[ndead] = tmp; + } + ++ndead; + } + } + + /* Check if no splitting required. */ + if (nrcpt - ndead <= maxrcpt) + return SM_SPLIT_NONE; + + /* fix links */ + for (i = 0; i < nrcpt - 1; ++i) + addrs[i]->q_next = addrs[i + 1]; + addrs[nrcpt - 1]->q_next = NULL; + e->e_sendqueue = addrs[0]; + + /* prepare buffer for logging */ + if (LogLevel > SPLIT_LOG_LEVEL) + { + l = MAXLINE; + lsplits = sm_malloc(l); + if (lsplits != NULL) + *lsplits = '\0'; + j = 0; + } + else + { + /* get rid of stupid compiler warnings */ + lsplits = NULL; + j = l = 0; + } + + /* split the envelope */ + firstsibling = e->e_sibling; + i = maxrcpt + ndead; + nsplit = 0; + for (;;) + { + addrs[i - 1]->q_next = NULL; + ee = split_env(e, addrs[i], e->e_qgrp, e->e_qdir); + if (!dup_df(e, ee)) + { + + ee = firstsibling; + while (ee != NULL) + { + (void) unlink(queuename(ee, DATAFL_LETTER)); + ee = ee->e_sibling; + } + + /* Error. Restore e's sibling & recipient lists. */ + e->e_sibling = firstsibling; + for (i = 0; i < nrcpt - 1; ++i) + addrs[i]->q_next = addrs[i + 1]; + if (lsplits != NULL) + sm_free(lsplits); + return SM_SPLIT_FAIL; + } + + /* prepend the new envelope to e->e_sibling */ + ee->e_sibling = e->e_sibling; + e->e_sibling = ee; + ++nsplit; + if (LogLevel > SPLIT_LOG_LEVEL && lsplits != NULL) + { + if (j >= l - strlen(ee->e_id) - 3) + { + char *p; + + l += MAXLINE; + p = sm_realloc(lsplits, l); + if (p == NULL) + { + /* let's try to get this done */ + sm_free(lsplits); + lsplits = NULL; + } + else + lsplits = p; + } + if (lsplits != NULL) + { + if (j == 0) + j += sm_strlcat(lsplits + j, + ee->e_id, + l - j); + else + j += sm_strlcat2(lsplits + j, + "; ", + ee->e_id, + l - j); + SM_ASSERT(j < l); + } + } + if (nrcpt - i <= maxrcpt) + break; + i += maxrcpt; + } + if (LogLevel > SPLIT_LOG_LEVEL && lsplits != NULL) + { + if (nsplit > 0) + { + sm_syslog(LOG_NOTICE, e->e_id, + "split: maxrcpts=%d, rcpts=%d, count=%d, id%s=%s", + maxrcpt, nrcpt - ndead, nsplit, + nsplit > 1 ? "s" : "", lsplits); + } + sm_free(lsplits); + } + return SM_SPLIT_NEW(nsplit); +} +/* +** SPLIT_BY_RECIPIENT +** +** Split an envelope with multiple recipients into multiple +** envelopes as required by the sendmail configuration. +** +** Parameters: +** e -- envelope. +** +** Results: +** Returns true on success, false on failure. +** +** Side Effects: +** see split_across_queue_groups(), split_within_queue(e) +*/ + +bool +split_by_recipient(e) + ENVELOPE *e; +{ + int split, n, i, j, l; + char *lsplits; + ENVELOPE *ee, *next, *firstsibling; + + if (OpMode == SM_VERIFY || !ISVALIDQGRP(e->e_qgrp) || + bitset(EF_SPLIT, e->e_flags)) + return true; + n = split_across_queue_groups(e); + if (n == SM_SPLIT_FAIL) + return false; + firstsibling = ee = e->e_sibling; + if (n > 1 && LogLevel > SPLIT_LOG_LEVEL) + { + l = MAXLINE; + lsplits = sm_malloc(l); + if (lsplits != NULL) + *lsplits = '\0'; + j = 0; + } + else + { + /* get rid of stupid compiler warnings */ + lsplits = NULL; + j = l = 0; + } + for (i = 1; i < n; ++i) + { + next = ee->e_sibling; + if (split_within_queue(ee) == SM_SPLIT_FAIL) + { + e->e_sibling = firstsibling; + return false; + } + ee->e_flags |= EF_SPLIT; + if (LogLevel > SPLIT_LOG_LEVEL && lsplits != NULL) + { + if (j >= l - strlen(ee->e_id) - 3) + { + char *p; + + l += MAXLINE; + p = sm_realloc(lsplits, l); + if (p == NULL) + { + /* let's try to get this done */ + sm_free(lsplits); + lsplits = NULL; + } + else + lsplits = p; + } + if (lsplits != NULL) + { + if (j == 0) + j += sm_strlcat(lsplits + j, + ee->e_id, l - j); + else + j += sm_strlcat2(lsplits + j, "; ", + ee->e_id, l - j); + SM_ASSERT(j < l); + } + } + ee = next; + } + if (LogLevel > SPLIT_LOG_LEVEL && lsplits != NULL && n > 1) + { + sm_syslog(LOG_NOTICE, e->e_id, "split: count=%d, id%s=%s", + n - 1, n > 2 ? "s" : "", lsplits); + sm_free(lsplits); + } + split = split_within_queue(e) != SM_SPLIT_FAIL; + if (split) + e->e_flags |= EF_SPLIT; + return split; +} + +/* +** QUARANTINE_QUEUE_ITEM -- {un,}quarantine a single envelope +** +** Add/remove quarantine reason and requeue appropriately. +** +** Parameters: +** qgrp -- queue group for the item +** qdir -- queue directory in the given queue group +** e -- envelope information for the item +** reason -- quarantine reason, NULL means unquarantine. +** +** Results: +** true if item changed, false otherwise +** +** Side Effects: +** Changes quarantine tag in queue file and renames it. +*/ + +static bool +quarantine_queue_item(qgrp, qdir, e, reason) + int qgrp; + int qdir; + ENVELOPE *e; + char *reason; +{ + bool dirty = false; + bool failing = false; + bool foundq = false; + bool finished = false; + int fd; + int flags; + int oldtype; + int newtype; + int save_errno; + MODE_T oldumask = 0; + SM_FILE_T *oldqfp, *tempqfp; + char *bp; + char oldqf[MAXPATHLEN]; + char tempqf[MAXPATHLEN]; + char newqf[MAXPATHLEN]; + char buf[MAXLINE]; + + oldtype = queue_letter(e, ANYQFL_LETTER); + (void) sm_strlcpy(oldqf, queuename(e, ANYQFL_LETTER), sizeof oldqf); + (void) sm_strlcpy(tempqf, queuename(e, NEWQFL_LETTER), sizeof tempqf); + + /* + ** Instead of duplicating all the open + ** and lock code here, tell readqf() to + ** do that work and return the open + ** file pointer in e_lockfp. Note that + ** we must release the locks properly when + ** we are done. + */ + + if (!readqf(e, true)) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s\n", qid_printname(e)); + return false; + } + oldqfp = e->e_lockfp; + + /* open the new queue file */ + flags = O_CREAT|O_WRONLY|O_EXCL; + if (bitset(S_IWGRP, QueueFileMode)) + oldumask = umask(002); + fd = open(tempqf, flags, QueueFileMode); + if (bitset(S_IWGRP, QueueFileMode)) + (void) umask(oldumask); + RELEASE_QUEUE; + + if (fd < 0) + { + save_errno = errno; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s: Could not open %s: %s\n", + qid_printname(e), tempqf, + sm_errstring(save_errno)); + (void) sm_io_close(oldqfp, SM_TIME_DEFAULT); + return false; + } + if (!lockfile(fd, tempqf, NULL, LOCK_EX|LOCK_NB)) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s: Could not lock %s\n", + qid_printname(e), tempqf); + (void) close(fd); + (void) sm_io_close(oldqfp, SM_TIME_DEFAULT); + return false; + } + + tempqfp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &fd, + SM_IO_WRONLY_B, NULL); + if (tempqfp == NULL) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s: Could not lock %s\n", + qid_printname(e), tempqf); + (void) close(fd); + (void) sm_io_close(oldqfp, SM_TIME_DEFAULT); + return false; + } + + /* Copy the data over, changing the quarantine reason */ + while ((bp = fgetfolded(buf, sizeof buf, oldqfp)) != NULL) + { + if (tTd(40, 4)) + sm_dprintf("+++++ %s\n", bp); + switch (bp[0]) + { + case 'q': /* quarantine reason */ + foundq = true; + if (reason == NULL) + { + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%s: Removed quarantine of \"%s\"\n", + e->e_id, &bp[1]); + } + sm_syslog(LOG_INFO, e->e_id, "unquarantine"); + dirty = true; + continue; + } + else if (strcmp(reason, &bp[1]) == 0) + { + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%s: Already quarantined with \"%s\"\n", + e->e_id, reason); + } + (void) sm_io_fprintf(tempqfp, SM_TIME_DEFAULT, + "q%s\n", reason); + } + else + { + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%s: Quarantine changed from \"%s\" to \"%s\"\n", + e->e_id, &bp[1], + reason); + } + (void) sm_io_fprintf(tempqfp, SM_TIME_DEFAULT, + "q%s\n", reason); + sm_syslog(LOG_INFO, e->e_id, "quarantine=%s", + reason); + dirty = true; + } + break; + + case 'S': + /* + ** If we are quarantining an unquarantined item, + ** need to put in a new 'q' line before it's + ** too late. + */ + + if (!foundq && reason != NULL) + { + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "%s: Quarantined with \"%s\"\n", + e->e_id, reason); + } + (void) sm_io_fprintf(tempqfp, SM_TIME_DEFAULT, + "q%s\n", reason); + sm_syslog(LOG_INFO, e->e_id, "quarantine=%s", + reason); + foundq = true; + dirty = true; + } + + /* Copy the line to the new file */ + (void) sm_io_fprintf(tempqfp, SM_TIME_DEFAULT, + "%s\n", bp); + break; + + case '.': + finished = true; + /* FALLTHROUGH */ + + default: + /* Copy the line to the new file */ + (void) sm_io_fprintf(tempqfp, SM_TIME_DEFAULT, + "%s\n", bp); + break; + } + } + + /* Make sure we read the whole old file */ + errno = sm_io_error(tempqfp); + if (errno != 0 && errno != SM_IO_EOF) + { + save_errno = errno; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s: Error reading %s: %s\n", + qid_printname(e), oldqf, + sm_errstring(save_errno)); + failing = true; + } + + if (!failing && !finished) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s: Incomplete file: %s\n", + qid_printname(e), oldqf); + failing = true; + } + + /* Check if we actually changed anything or we can just bail now */ + if (!dirty) + { + /* pretend we failed, even though we technically didn't */ + failing = true; + } + + /* Make sure we wrote things out safely */ + if (!failing && + (sm_io_flush(tempqfp, SM_TIME_DEFAULT) != 0 || + ((SuperSafe == SAFE_REALLY || + SuperSafe == SAFE_REALLY_POSTMILTER || + SuperSafe == SAFE_INTERACTIVE) && + fsync(sm_io_getinfo(tempqfp, SM_IO_WHAT_FD, NULL)) < 0) || + ((errno = sm_io_error(tempqfp)) != 0))) + { + save_errno = errno; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Skipping %s: Error writing %s: %s\n", + qid_printname(e), tempqf, + sm_errstring(save_errno)); + failing = true; + } + + + /* Figure out the new filename */ + newtype = (reason == NULL ? NORMQF_LETTER : QUARQF_LETTER); + if (oldtype == newtype) + { + /* going to rename tempqf to oldqf */ + (void) sm_strlcpy(newqf, oldqf, sizeof newqf); + } + else + { + /* going to rename tempqf to new name based on newtype */ + (void) sm_strlcpy(newqf, queuename(e, newtype), sizeof newqf); + } + + save_errno = 0; + + /* rename tempqf to newqf */ + if (!failing && + rename(tempqf, newqf) < 0) + save_errno = (errno == 0) ? EINVAL : errno; + + /* Check rename() success */ + if (!failing && save_errno != 0) + { + sm_syslog(LOG_DEBUG, e->e_id, + "quarantine_queue_item: rename(%s, %s): %s", + tempqf, newqf, sm_errstring(save_errno)); + + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Error renaming %s to %s: %s\n", + tempqf, newqf, + sm_errstring(save_errno)); + if (oldtype == newtype) + { + /* + ** Bail here since we don't know the state of + ** the filesystem and may need to keep tempqf + ** for the user to rescue us. + */ + + RELEASE_QUEUE; + errno = save_errno; + syserr("!452 Error renaming control file %s", tempqf); + /* NOTREACHED */ + } + else + { + /* remove new file (if rename() half completed) */ + if (xunlink(newqf) < 0) + { + save_errno = errno; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Error removing %s: %s\n", + newqf, + sm_errstring(save_errno)); + } + + /* tempqf removed below */ + failing = true; + } + + } + + /* If changing file types, need to remove old type */ + if (!failing && oldtype != newtype) + { + if (xunlink(oldqf) < 0) + { + save_errno = errno; + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Error removing %s: %s\n", + oldqf, sm_errstring(save_errno)); + } + } + + /* see if anything above failed */ + if (failing) + { + /* Something failed: remove new file, old file still there */ + (void) xunlink(tempqf); + } + + /* + ** fsync() after file operations to make sure metadata is + ** written to disk on filesystems in which renames are + ** not guaranteed. It's ok if they fail, mail won't be lost. + */ + + if (SuperSafe != SAFE_NO) + { + /* for soft-updates */ + (void) fsync(sm_io_getinfo(tempqfp, + SM_IO_WHAT_FD, NULL)); + + if (!failing) + { + /* for soft-updates */ + (void) fsync(sm_io_getinfo(oldqfp, + SM_IO_WHAT_FD, NULL)); + } + + /* for other odd filesystems */ + SYNC_DIR(tempqf, false); + } + + /* Close up shop */ + RELEASE_QUEUE; + if (tempqfp != NULL) + (void) sm_io_close(tempqfp, SM_TIME_DEFAULT); + if (oldqfp != NULL) + (void) sm_io_close(oldqfp, SM_TIME_DEFAULT); + + /* All went well */ + return !failing; +} + +/* +** QUARANTINE_QUEUE -- {un,}quarantine matching items in the queue +** +** Read all matching queue items, add/remove quarantine +** reason, and requeue appropriately. +** +** Parameters: +** reason -- quarantine reason, "." means unquarantine. +** qgrplimit -- limit to single queue group unless NOQGRP +** +** Results: +** none. +** +** Side Effects: +** Lots of changes to the queue. +*/ + +void +quarantine_queue(reason, qgrplimit) + char *reason; + int qgrplimit; +{ + int changed = 0; + int qgrp; + + /* Convert internal representation of unquarantine */ + if (reason != NULL && reason[0] == '.' && reason[1] == '\0') + reason = NULL; + + if (reason != NULL) + { + /* clean it */ + reason = newstr(denlstring(reason, true, true)); + } + + for (qgrp = 0; qgrp < NumQueue && Queue[qgrp] != NULL; qgrp++) + { + int qdir; + + if (qgrplimit != NOQGRP && qgrplimit != qgrp) + continue; + + for (qdir = 0; qdir < Queue[qgrp]->qg_numqueues; qdir++) + { + int i; + int nrequests; + + if (StopRequest) + stop_sendmail(); + + nrequests = gatherq(qgrp, qdir, true, NULL, NULL); + + /* first see if there is anything */ + if (nrequests <= 0) + { + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, "%s: no matches\n", + qid_printqueue(qgrp, qdir)); + } + continue; + } + + if (Verbose) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, "Processing %s:\n", + qid_printqueue(qgrp, qdir)); + } + + for (i = 0; i < WorkListCount; i++) + { + ENVELOPE e; + + if (StopRequest) + stop_sendmail(); + + /* setup envelope */ + clearenvelope(&e, true, sm_rpool_new_x(NULL)); + e.e_id = WorkList[i].w_name + 2; + e.e_qgrp = qgrp; + e.e_qdir = qdir; + + if (tTd(70, 101)) + { + sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Would do %s\n", e.e_id); + changed++; + } + else if (quarantine_queue_item(qgrp, qdir, + &e, reason)) + changed++; + + /* clean up */ + sm_rpool_free(e.e_rpool); + e.e_rpool = NULL; + } + if (WorkList != NULL) + sm_free(WorkList); /* XXX */ + WorkList = NULL; + WorkListSize = 0; + WorkListCount = 0; + } + } + if (Verbose) + { + if (changed == 0) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "No changes\n"); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "%d change%s\n", + changed, + changed == 1 ? "" : "s"); + } +} diff --git a/contrib/sendmail-8.13.4/sendmail/ratectrl.c b/contrib/sendmail-8.13.4/sendmail/ratectrl.c new file mode 100644 index 0000000000..d141125e27 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/ratectrl.c @@ -0,0 +1,534 @@ +/* + * Copyright (c) 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * Contributed by Jose Marcio Martins da Cruz - Ecole des Mines de Paris + * Jose-Marcio.Martins@ensmp.fr + */ + +/* a part of this code is based on inetd.c for which this copyright applies: */ +/* + * Copyright (c) 1983, 1991, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +SM_RCSID("@(#)$Id: ratectrl.c,v 8.9 2004/07/07 21:23:57 ca Exp $") + +/* +** stuff included - given some warnings (inet_ntoa) +** - surely not everything is needed +*/ + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +#include + +#ifndef HASH_ALG +# define HASH_ALG 2 +#endif /* HASH_ALG */ + +#ifndef RATECTL_DEBUG +# define RATECTL_DEBUG 0 +#endif /* RATECTL_DEBUG */ + +/* forward declarations */ +static int client_rate __P((time_t, SOCKADDR *, bool)); +static int total_rate __P((time_t, bool)); +#if 0 +static int sockaddrcmp __P((SOCKADDR *, SOCKADDR *)); +#endif /* 0 */ + +/* +** CONNECTION_RATE_CHECK - updates connection history data +** and computes connection rate for the given host +** +** Parameters: +** hostaddr -- ip address of smtp client +** e -- envelope +** +** Returns: +** true (always) +** +** Side Effects: +** updates connection history +** +** Warnings: +** For each connection, this call shall be +** done only once with the value true for the +** update parameter. +** Typically, this call is done with the value +** true by the father, and once again with +** the value false by the children. +** +*/ + +bool +connection_rate_check(hostaddr, e) + SOCKADDR *hostaddr; + ENVELOPE *e; +{ + time_t now; + int totalrate, clientrate; + static int clientconn = 0; + + now = time(NULL); +#if RATECTL_DEBUG + sm_syslog(LOG_INFO, NOQID, "connection_rate_check entering..."); +#endif /* RATECTL_DEBUG */ + + /* update server connection rate */ + totalrate = total_rate(now, e == NULL); +#if RATECTL_DEBUG + sm_syslog(LOG_INFO, NOQID, "global connection rate: %d", globalRate); +#endif /* RATECTL_DEBUG */ + + /* update client connection rate */ + clientrate = client_rate(now, hostaddr, e == NULL); + + if (e == NULL) + clientconn = count_open_connections(hostaddr); + + if (e != NULL) + { + char s[16]; + + sm_snprintf(s, sizeof(s), "%d", clientrate); + macdefine(&e->e_macro, A_TEMP, macid("{client_rate}"), s); + sm_snprintf(s, sizeof(s), "%d", totalrate); + macdefine(&e->e_macro, A_TEMP, macid("{total_rate}"), s); + sm_snprintf(s, sizeof(s), "%d", clientconn); + macdefine(&e->e_macro, A_TEMP, macid("{client_connections}"), + s); + } + return true; +} + +/* +** Data declarations needed to evaluate connection rate +*/ + +static int CollTime = 60; + +/* this should be a power of 2, otherwise CPMHMASK doesn't work well */ +#ifndef CPMHSIZE +# define CPMHSIZE 1024 +#endif /* CPMHSIZE */ + +#define CPMHMASK (CPMHSIZE-1) + +#ifndef MAX_CT_STEPS +# define MAX_CT_STEPS 10 +#endif /* MAX_CT_STEPS */ + +/* +** time granularity: 10s (that's one "tick") +** will be initialised to ConnectionRateWindowSize/CHTSIZE +** before being used the first time +*/ + +static int ChtGran = -1; + +#define CHTSIZE 6 + +/* Number of connections for a certain "tick" */ +typedef struct CTime +{ + unsigned long ct_Ticks; + int ct_Count; +} +CTime_T; + +typedef struct CHash +{ +#if NETINET6 && NETINET + union + { + struct in_addr c4_Addr; + struct in6_addr c6_Addr; + } cu_Addr; +# define ch_Addr4 cu_Addr.c4_Addr +# define ch_Addr6 cu_Addr.c6_Addr +#else /* NETINET6 && NETINET */ +# if NETINET6 + struct in6_addr ch_Addr; +# define ch_Addr6 ch_Addr +# else /* NETINET6 */ + struct in_addr ch_Addr; +# define ch_Addr4 ch_Addr +# endif /* NETINET6 */ +#endif /* NETINET6 && NETINET */ + + int ch_Family; + time_t ch_LTime; + unsigned long ch_colls; + + /* 6 buckets for ticks: 60s */ + CTime_T ch_Times[CHTSIZE]; +} +CHash_T; + +static CHash_T CHashAry[CPMHSIZE]; +static bool CHashAryOK = false; + +/* +** CLIENT_RATE - Evaluate connection rate per smtp client +** +** Parameters: +** now - current time in secs +** saddr - client address +** update - update data / check only +** +** Returns: +** connection rate (connections / ConnectionRateWindowSize) +** +** Side effects: +** update static global data +** +*/ + +static int +client_rate(now, saddr, update) + time_t now; + SOCKADDR *saddr; + bool update; +{ + unsigned int hv; + int i; + int cnt; + bool coll; + CHash_T *chBest = NULL; + unsigned int ticks; + + cnt = 0; + hv = 0xABC3D20F; + if (ChtGran < 0) + ChtGran = ConnectionRateWindowSize / CHTSIZE; + if (ChtGran <= 0) + ChtGran = 10; + + ticks = now / ChtGran; + + if (!CHashAryOK) + { + memset(CHashAry, 0, sizeof (CHashAry)); + CHashAryOK = true; + } + + { + char *p; + int addrlen; +#if HASH_ALG != 1 + int c, d; +#endif /* HASH_ALG != 1 */ + + switch (saddr->sa.sa_family) + { +#if NETINET + case AF_INET: + p = (char *)&saddr->sin.sin_addr; + addrlen = sizeof(struct in_addr); + break; +#endif /* NETINET */ +#if NETINET6 + case AF_INET6: + p = (char *)&saddr->sin6.sin6_addr; + addrlen = sizeof(struct in6_addr); + break; +#endif /* NETINET6 */ + default: + /* should not happen */ + return -1; + } + + /* compute hash value */ + for (i = 0; i < addrlen; ++i, ++p) +#if HASH_ALG == 1 + hv = (hv << 5) ^ (hv >> 23) ^ *p; + hv = (hv ^ (hv >> 16)); +#elif HASH_ALG == 2 + { + d = *p; + c = d; + c ^= c<<6; + hv += (c<<11) ^ (c>>1); + hv ^= (d<<14) + (d<<7) + (d<<4) + d; + } +#elif HASH_ALG == 3 + { + hv = (hv << 4) + *p; + d = hv & 0xf0000000; + if (d != 0) + { + hv ^= (d >> 24); + hv ^= d; + } + } +#else /* HASH_ALG == 1 */ + hv = ((hv << 1) ^ (*p & 0377)) % cctx->cc_size; +#endif /* HASH_ALG == 1 */ + } + + coll = true; + for (i = 0; i < MAX_CT_STEPS; ++i) + { + CHash_T *ch = &CHashAry[(hv + i) & CPMHMASK]; + +#if NETINET + if (saddr->sa.sa_family == AF_INET && + ch->ch_Family == AF_INET && + (saddr->sin.sin_addr.s_addr == ch->ch_Addr4.s_addr || + ch->ch_Addr4.s_addr == 0)) + { + chBest = ch; + coll = false; + break; + } +#endif /* NETINET */ +#if NETINET6 + if (saddr->sa.sa_family == AF_INET6 && + ch->ch_Family == AF_INET6 && + (IN6_ARE_ADDR_EQUAL(&saddr->sin6.sin6_addr, + &ch->ch_Addr6) != 0 || + IN6_IS_ADDR_UNSPECIFIED(&ch->ch_Addr6))) + { + chBest = ch; + coll = false; + break; + } +#endif /* NETINET6 */ + if (chBest == NULL || ch->ch_LTime == 0 || + ch->ch_LTime < chBest->ch_LTime) + chBest = ch; + } + + /* Let's update data... */ + if (update) + { + if (coll && (now - chBest->ch_LTime < CollTime)) + { + /* + ** increment the number of collisions last + ** CollTime for this client + */ + + chBest->ch_colls++; + + /* + ** Maybe shall log if collision rate is too high... + ** and take measures to resize tables + ** if this is the case + */ + } + + /* + ** If it's not a match, then replace the data. + ** Note: this purges the history of a colliding entry, + ** which may cause "overruns", i.e., if two entries are + ** "cancelling" each other out, then they may exceed + ** the limits that are set. This might be mitigated a bit + ** by the above "best of 5" function however. + ** + ** Alternative approach: just use the old data, which may + ** cause false positives however. + ** To activate this, change deactivate following memset call. + */ + + if (coll) + { +#if NETINET + if (saddr->sa.sa_family == AF_INET) + { + chBest->ch_Family = AF_INET; + chBest->ch_Addr4 = saddr->sin.sin_addr; + } +#endif /* NETINET */ +#if NETINET6 + if (saddr->sa.sa_family == AF_INET6) + { + chBest->ch_Family = AF_INET6; + chBest->ch_Addr6 = saddr->sin6.sin6_addr; + } +#endif /* NETINET6 */ +#if 1 + memset(chBest->ch_Times, '\0', + sizeof (chBest->ch_Times)); +#endif /* 1 */ + } + + chBest->ch_LTime = now; + { + CTime_T *ct = &chBest->ch_Times[ticks % CHTSIZE]; + + if (ct->ct_Ticks != ticks) + { + ct->ct_Ticks = ticks; + ct->ct_Count = 0; + } + ++ct->ct_Count; + } + } + + /* Now let's count connections on the window */ + for (i = 0; i < CHTSIZE; ++i) + { + CTime_T *ct = &chBest->ch_Times[i]; + + if (ct->ct_Ticks <= ticks && ct->ct_Ticks >= ticks - CHTSIZE) + cnt += ct->ct_Count; + } + +#if RATECTL_DEBUG + sm_syslog(LOG_WARNING, NOQID, + "cln: cnt=(%d), CHTSIZE=(%d), ChtGran=(%d)", + cnt, CHTSIZE, ChtGran); +#endif /* RATECTL_DEBUG */ + return cnt; +} + +/* +** TOTAL_RATE - Evaluate global connection rate +** +** Parameters: +** now - current time in secs +** update - update data / check only +** +** Returns: +** connection rate (connections / ConnectionRateWindowSize) +*/ + +static CTime_T srv_Times[CHTSIZE]; +static bool srv_Times_OK = false; + +static int +total_rate(now, update) + time_t now; + bool update; +{ + int i; + int cnt = 0; + CTime_T *ct; + unsigned int ticks; + + if (ChtGran < 0) + ChtGran = ConnectionRateWindowSize / CHTSIZE; + if (ChtGran == 0) + ChtGran = 10; + ticks = now / ChtGran; + if (!srv_Times_OK) + { + memset(srv_Times, 0, sizeof(srv_Times)); + srv_Times_OK = true; + } + + /* Let's update data */ + if (update) + { + ct = &srv_Times[ticks % CHTSIZE]; + + if (ct->ct_Ticks != ticks) + { + ct->ct_Ticks = ticks; + ct->ct_Count = 0; + } + ++ct->ct_Count; + } + + /* Let's count connections on the window */ + for (i = 0; i < CHTSIZE; ++i) + { + ct = &srv_Times[i]; + + if (ct->ct_Ticks <= ticks && ct->ct_Ticks >= ticks - CHTSIZE) + cnt += ct->ct_Count; + } + +#if RATECTL_DEBUG + sm_syslog(LOG_WARNING, NOQID, + "srv: cnt=(%d), CHTSIZE=(%d), ChtGran=(%d)", + cnt, CHTSIZE, ChtGran); +#endif /* RATECTL_DEBUG */ + + return cnt; +} + +#if 0 +/* +** SOCKADDRCMP - compare two SOCKADDR structures +** this function may be used to compare SOCKADDR +** structures when using bsearch and qsort functions +** in the same way we do with strcmp +** +** Parameters: +** a, b - addresses +** +** Returns: +** 1 if a > b +** -1 if a < b +** 0 if a = b +** +** OBS: This call isn't used at the moment, it will +** be used when code will be extended to work with IPV6 +*/ + +static int +sockaddrcmp(a, b) + SOCKADDR *a; + SOCKADDR *b; +{ + if (a->sa.sa_family > b->sa.sa_family) + return 1; + if (a->sa.sa_family < b->sa.sa_family) + return -1; + + switch (a->sa.sa_family) + { + case AF_INET: + if (a->sin.sin_addr.s_addr > b->sin.sin_addr.s_addr) + return 1; + if (a->sin.sin_addr.s_addr < b->sin.sin_addr.s_addr) + return -1; + return 0; + break; + + case AF_INET6: + /* TO BE DONE */ + break; + } + return 0; +} +#endif /* 0 */ diff --git a/contrib/sendmail-8.13.4/sendmail/readcf.c b/contrib/sendmail-8.13.4/sendmail/readcf.c new file mode 100644 index 0000000000..b362391818 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/readcf.c @@ -0,0 +1,4458 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: readcf.c,v 8.642 2004/08/04 21:17:57 ca Exp $") + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +#define SECONDS +#define MINUTES * 60 +#define HOUR * 3600 +#define HOURS HOUR + +static void fileclass __P((int, char *, char *, bool, bool, bool)); +static char **makeargv __P((char *)); +static void settimeout __P((char *, char *, bool)); +static void toomany __P((int, int)); +static char *extrquotstr __P((char *, char **, char *, bool *)); +static void parse_class_words __P((int, char *)); + +/* +** READCF -- read configuration file. +** +** This routine reads the configuration file and builds the internal +** form. +** +** The file is formatted as a sequence of lines, each taken +** atomically. The first character of each line describes how +** the line is to be interpreted. The lines are: +** Dxval Define macro x to have value val. +** Cxword Put word into class x. +** Fxfile [fmt] Read file for lines to put into +** class x. Use scanf string 'fmt' +** or "%s" if not present. Fmt should +** only produce one string-valued result. +** Hname: value Define header with field-name 'name' +** and value as specified; this will be +** macro expanded immediately before +** use. +** Sn Use rewriting set n. +** Rlhs rhs Rewrite addresses that match lhs to +** be rhs. +** Mn arg=val... Define mailer. n is the internal name. +** Args specify mailer parameters. +** Oxvalue Set option x to value. +** O option value Set option (long name) to value. +** Pname=value Set precedence name to value. +** Qn arg=val... Define queue groups. n is the internal name. +** Args specify queue parameters. +** Vversioncode[/vendorcode] +** Version level/vendor name of +** configuration syntax. +** Kmapname mapclass arguments.... +** Define keyed lookup of a given class. +** Arguments are class dependent. +** Eenvar=value Set the environment value to the given value. +** +** Parameters: +** cfname -- configuration file name. +** safe -- true if this is the system config file; +** false otherwise. +** e -- the main envelope. +** +** Returns: +** none. +** +** Side Effects: +** Builds several internal tables. +*/ + +void +readcf(cfname, safe, e) + char *cfname; + bool safe; + register ENVELOPE *e; +{ + SM_FILE_T *cf; + int ruleset = -1; + char *q; + struct rewrite *rwp = NULL; + char *bp; + auto char *ep; + int nfuzzy; + char *file; + bool optional; + bool ok; + bool ismap; + int mid; + register char *p; + long sff = SFF_OPENASROOT; + struct stat statb; + char buf[MAXLINE]; + char exbuf[MAXLINE]; + char pvpbuf[MAXLINE + MAXATOM]; + static char *null_list[1] = { NULL }; + extern unsigned char TokTypeNoC[]; + + FileName = cfname; + LineNumber = 0; + + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + cf = safefopen(cfname, O_RDONLY, 0444, sff); + if (cf == NULL) + { + syserr("cannot open"); + finis(false, true, EX_OSFILE); + } + + if (fstat(sm_io_getinfo(cf, SM_IO_WHAT_FD, NULL), &statb) < 0) + { + syserr("cannot fstat"); + finis(false, true, EX_OSFILE); + } + + if (!S_ISREG(statb.st_mode)) + { + syserr("not a plain file"); + finis(false, true, EX_OSFILE); + } + + if (OpMode != MD_TEST && bitset(S_IWGRP|S_IWOTH, statb.st_mode)) + { + if (OpMode == MD_DAEMON || OpMode == MD_INITALIAS) + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: WARNING: dangerous write permissions\n", + FileName); + if (LogLevel > 0) + sm_syslog(LOG_CRIT, NOQID, + "%s: WARNING: dangerous write permissions", + FileName); + } + +#if XLA + xla_zero(); +#endif /* XLA */ + + while ((bp = fgetfolded(buf, sizeof buf, cf)) != NULL) + { + if (bp[0] == '#') + { + if (bp != buf) + sm_free(bp); /* XXX */ + continue; + } + + /* do macro expansion mappings */ + translate_dollars(bp); + + /* interpret this line */ + errno = 0; + switch (bp[0]) + { + case '\0': + case '#': /* comment */ + break; + + case 'R': /* rewriting rule */ + if (ruleset < 0) + { + syserr("missing valid ruleset for \"%s\"", bp); + break; + } + for (p = &bp[1]; *p != '\0' && *p != '\t'; p++) + continue; + + if (*p == '\0') + { + syserr("invalid rewrite line \"%s\" (tab expected)", bp); + break; + } + + /* allocate space for the rule header */ + if (rwp == NULL) + { + RewriteRules[ruleset] = rwp = + (struct rewrite *) xalloc(sizeof *rwp); + } + else + { + rwp->r_next = (struct rewrite *) xalloc(sizeof *rwp); + rwp = rwp->r_next; + } + rwp->r_next = NULL; + + /* expand and save the LHS */ + *p = '\0'; + expand(&bp[1], exbuf, sizeof exbuf, e); + rwp->r_lhs = prescan(exbuf, '\t', pvpbuf, + sizeof pvpbuf, NULL, + ConfigLevel >= 9 ? TokTypeNoC : NULL, + true); + nfuzzy = 0; + if (rwp->r_lhs != NULL) + { + register char **ap; + + rwp->r_lhs = copyplist(rwp->r_lhs, true, NULL); + + /* count the number of fuzzy matches in LHS */ + for (ap = rwp->r_lhs; *ap != NULL; ap++) + { + char *botch; + + botch = NULL; + switch (**ap & 0377) + { + case MATCHZANY: + case MATCHANY: + case MATCHONE: + case MATCHCLASS: + case MATCHNCLASS: + nfuzzy++; + break; + + case MATCHREPL: + botch = "$0-$9"; + break; + + case CANONUSER: + botch = "$:"; + break; + + case CALLSUBR: + botch = "$>"; + break; + + case CONDIF: + botch = "$?"; + break; + + case CONDFI: + botch = "$."; + break; + + case HOSTBEGIN: + botch = "$["; + break; + + case HOSTEND: + botch = "$]"; + break; + + case LOOKUPBEGIN: + botch = "$("; + break; + + case LOOKUPEND: + botch = "$)"; + break; + } + if (botch != NULL) + syserr("Inappropriate use of %s on LHS", + botch); + } + rwp->r_line = LineNumber; + } + else + { + syserr("R line: null LHS"); + rwp->r_lhs = null_list; + } + if (nfuzzy > MAXMATCH) + { + syserr("R line: too many wildcards"); + rwp->r_lhs = null_list; + } + + /* expand and save the RHS */ + while (*++p == '\t') + continue; + q = p; + while (*p != '\0' && *p != '\t') + p++; + *p = '\0'; + expand(q, exbuf, sizeof exbuf, e); + rwp->r_rhs = prescan(exbuf, '\t', pvpbuf, + sizeof pvpbuf, NULL, + ConfigLevel >= 9 ? TokTypeNoC : NULL, + true); + if (rwp->r_rhs != NULL) + { + register char **ap; + int args, endtoken; +#if _FFR_EXTRA_MAP_CHECK + int nexttoken; +#endif /* _FFR_EXTRA_MAP_CHECK */ + bool inmap; + + rwp->r_rhs = copyplist(rwp->r_rhs, true, NULL); + + /* check no out-of-bounds replacements */ + nfuzzy += '0'; + inmap = false; + args = 0; + endtoken = 0; + for (ap = rwp->r_rhs; *ap != NULL; ap++) + { + char *botch; + + botch = NULL; + switch (**ap & 0377) + { + case MATCHREPL: + if ((*ap)[1] <= '0' || (*ap)[1] > nfuzzy) + { + syserr("replacement $%c out of bounds", + (*ap)[1]); + } + break; + + case MATCHZANY: + botch = "$*"; + break; + + case MATCHANY: + botch = "$+"; + break; + + case MATCHONE: + botch = "$-"; + break; + + case MATCHCLASS: + botch = "$="; + break; + + case MATCHNCLASS: + botch = "$~"; + break; + + case CANONHOST: + if (!inmap) + break; + if (++args >= MAX_MAP_ARGS) + syserr("too many arguments for map lookup"); + break; + + case HOSTBEGIN: + endtoken = HOSTEND; + /* FALLTHROUGH */ + case LOOKUPBEGIN: + /* see above... */ + if ((**ap & 0377) == LOOKUPBEGIN) + endtoken = LOOKUPEND; + if (inmap) + syserr("cannot nest map lookups"); + inmap = true; + args = 0; +#if _FFR_EXTRA_MAP_CHECK + if (*(ap + 1) == NULL) + { + syserr("syntax error in map lookup"); + break; + } + nexttoken = **(ap + 1) & 0377; + if (nexttoken == CANONHOST || + nexttoken == CANONUSER || + nexttoken == endtoken) + { + syserr("missing map name for lookup"); + break; + } + if (*(ap + 2) == NULL) + { + syserr("syntax error in map lookup"); + break; + } + if ((**ap & 0377) == HOSTBEGIN) + break; + nexttoken = **(ap + 2) & 0377; + if (nexttoken == CANONHOST || + nexttoken == CANONUSER || + nexttoken == endtoken) + { + syserr("missing key name for lookup"); + break; + } +#endif /* _FFR_EXTRA_MAP_CHECK */ + break; + + case HOSTEND: + case LOOKUPEND: + if ((**ap & 0377) != endtoken) + break; + inmap = false; + endtoken = 0; + break; + + +#if 0 +/* +** This doesn't work yet as there are maps defined *after* the cf +** is read such as host, user, and alias. So for now, it's removed. +** When it comes back, the RELEASE_NOTES entry will be: +** Emit warnings for unknown maps when reading the .cf file. Based on +** patch from Robert Harker of Harker Systems. +*/ + + case LOOKUPBEGIN: + /* + ** Got a database lookup, + ** check if map is defined. + */ + + ep = *(ap + 1); + if ((*ep & 0377) != MACRODEXPAND && + stab(ep, ST_MAP, + ST_FIND) == NULL) + { + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "Warning: %s: line %d: map %s not found\n", + FileName, + LineNumber, + ep); + } + break; +#endif /* 0 */ + } + if (botch != NULL) + syserr("Inappropriate use of %s on RHS", + botch); + } + if (inmap) + syserr("missing map closing token"); + } + else + { + syserr("R line: null RHS"); + rwp->r_rhs = null_list; + } + break; + + case 'S': /* select rewriting set */ + expand(&bp[1], exbuf, sizeof exbuf, e); + ruleset = strtorwset(exbuf, NULL, ST_ENTER); + if (ruleset < 0) + break; + + rwp = RewriteRules[ruleset]; + if (rwp != NULL) + { + if (OpMode == MD_TEST) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "WARNING: Ruleset %s has multiple definitions\n", + &bp[1]); + if (tTd(37, 1)) + sm_dprintf("WARNING: Ruleset %s has multiple definitions\n", + &bp[1]); + while (rwp->r_next != NULL) + rwp = rwp->r_next; + } + break; + + case 'D': /* macro definition */ + mid = macid_parse(&bp[1], &ep); + if (mid == 0) + break; + p = munchstring(ep, NULL, '\0'); + macdefine(&e->e_macro, A_TEMP, mid, p); + break; + + case 'H': /* required header line */ + (void) chompheader(&bp[1], CHHDR_DEF, NULL, e); + break; + + case 'C': /* word class */ + case 'T': /* trusted user (set class `t') */ + if (bp[0] == 'C') + { + mid = macid_parse(&bp[1], &ep); + if (mid == 0) + break; + expand(ep, exbuf, sizeof exbuf, e); + p = exbuf; + } + else + { + mid = 't'; + p = &bp[1]; + } + while (*p != '\0') + { + register char *wd; + char delim; + + while (*p != '\0' && isascii(*p) && isspace(*p)) + p++; + wd = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + delim = *p; + *p = '\0'; + if (wd[0] != '\0') + setclass(mid, wd); + *p = delim; + } + break; + + case 'F': /* word class from file */ + mid = macid_parse(&bp[1], &ep); + if (mid == 0) + break; + for (p = ep; isascii(*p) && isspace(*p); ) + p++; + if (p[0] == '-' && p[1] == 'o') + { + optional = true; + while (*p != '\0' && + !(isascii(*p) && isspace(*p))) + p++; + while (isascii(*p) && isspace(*p)) + p++; + file = p; + } + else + optional = false; + + /* check if [key]@map:spec */ + ismap = false; + if (!SM_IS_DIR_DELIM(*p) && + *p != '|' && + (q = strchr(p, '@')) != NULL) + { + q++; + + /* look for @LDAP or @map: in string */ + if (strcmp(q, "LDAP") == 0 || + (*q != ':' && + strchr(q, ':') != NULL)) + ismap = true; + } + + if (ismap) + { + /* use entire spec */ + file = p; + } + else + { + file = extrquotstr(p, &q, " ", &ok); + if (!ok) + { + syserr("illegal filename '%s'", p); + break; + } + } + + if (*file == '|' || ismap) + p = "%s"; + else + { + p = q; + if (*p == '\0') + p = "%s"; + else + { + *p = '\0'; + while (isascii(*++p) && isspace(*p)) + continue; + } + } + fileclass(mid, file, p, ismap, safe, optional); + break; + +#if XLA + case 'L': /* extended load average description */ + xla_init(&bp[1]); + break; +#endif /* XLA */ + +#if defined(SUN_EXTENSIONS) && defined(SUN_LOOKUP_MACRO) + case 'L': /* lookup macro */ + case 'G': /* lookup class */ + /* reserved for Sun -- NIS+ database lookup */ + if (VendorCode != VENDOR_SUN) + goto badline; + sun_lg_config_line(bp, e); + break; +#endif /* defined(SUN_EXTENSIONS) && defined(SUN_LOOKUP_MACRO) */ + + case 'M': /* define mailer */ + makemailer(&bp[1]); + break; + + case 'O': /* set option */ + setoption(bp[1], &bp[2], safe, false, e); + break; + + case 'P': /* set precedence */ + if (NumPriorities >= MAXPRIORITIES) + { + toomany('P', MAXPRIORITIES); + break; + } + for (p = &bp[1]; *p != '\0' && *p != '='; p++) + continue; + if (*p == '\0') + goto badline; + *p = '\0'; + Priorities[NumPriorities].pri_name = newstr(&bp[1]); + Priorities[NumPriorities].pri_val = atoi(++p); + NumPriorities++; + break; + + case 'Q': /* define queue */ + makequeue(&bp[1], true); + break; + + case 'V': /* configuration syntax version */ + for (p = &bp[1]; isascii(*p) && isspace(*p); p++) + continue; + if (!isascii(*p) || !isdigit(*p)) + { + syserr("invalid argument to V line: \"%.20s\"", + &bp[1]); + break; + } + ConfigLevel = strtol(p, &ep, 10); + + /* + ** Do heuristic tweaking for back compatibility. + */ + + if (ConfigLevel >= 5) + { + /* level 5 configs have short name in $w */ + p = macvalue('w', e); + if (p != NULL && (p = strchr(p, '.')) != NULL) + { + *p = '\0'; + macdefine(&e->e_macro, A_TEMP, 'w', + macvalue('w', e)); + } + } + if (ConfigLevel >= 6) + { + ColonOkInAddr = false; + } + + /* + ** Look for vendor code. + */ + + if (*ep++ == '/') + { + /* extract vendor code */ + for (p = ep; isascii(*p) && isalpha(*p); ) + p++; + *p = '\0'; + + if (!setvendor(ep)) + syserr("invalid V line vendor code: \"%s\"", + ep); + } + break; + + case 'K': + expand(&bp[1], exbuf, sizeof exbuf, e); + (void) makemapentry(exbuf); + break; + + case 'E': + p = strchr(bp, '='); + if (p != NULL) + *p++ = '\0'; + setuserenv(&bp[1], p); + break; + + case 'X': /* mail filter */ +#if MILTER + milter_setup(&bp[1]); +#else /* MILTER */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Filter usage ('X') requires Milter support (-DMILTER)\n"); +#endif /* MILTER */ + break; + + default: + badline: + syserr("unknown configuration line \"%s\"", bp); + } + if (bp != buf) + sm_free(bp); /* XXX */ + } + if (sm_io_error(cf)) + { + syserr("I/O read error"); + finis(false, true, EX_OSFILE); + } + (void) sm_io_close(cf, SM_TIME_DEFAULT); + FileName = NULL; + + /* initialize host maps from local service tables */ + inithostmaps(); + + /* initialize daemon (if not defined yet) */ + initdaemon(); + + /* determine if we need to do special name-server frotz */ + { + int nmaps; + char *maptype[MAXMAPSTACK]; + short mapreturn[MAXMAPACTIONS]; + + nmaps = switch_map_find("hosts", maptype, mapreturn); + UseNameServer = false; + if (nmaps > 0 && nmaps <= MAXMAPSTACK) + { + register int mapno; + + for (mapno = 0; mapno < nmaps && !UseNameServer; + mapno++) + { + if (strcmp(maptype[mapno], "dns") == 0) + UseNameServer = true; + } + } + } +} +/* +** TRANSLATE_DOLLARS -- convert $x into internal form +** +** Actually does all appropriate pre-processing of a config line +** to turn it into internal form. +** +** Parameters: +** bp -- the buffer to translate. +** +** Returns: +** None. The buffer is translated in place. Since the +** translations always make the buffer shorter, this is +** safe without a size parameter. +*/ + +void +translate_dollars(bp) + char *bp; +{ + register char *p; + auto char *ep; + + for (p = bp; *p != '\0'; p++) + { + if (*p == '#' && p > bp && ConfigLevel >= 3) + { + register char *e; + + switch (*--p & 0377) + { + case MACROEXPAND: + /* it's from $# -- let it go through */ + p++; + break; + + case '\\': + /* it's backslash escaped */ + (void) sm_strlcpy(p, p + 1, strlen(p)); + break; + + default: + /* delete leading white space */ + while (isascii(*p) && isspace(*p) && + *p != '\n' && p > bp) + p--; + if ((e = strchr(++p, '\n')) != NULL) + (void) sm_strlcpy(p, e, strlen(p)); + else + *p-- = '\0'; + break; + } + continue; + } + + if (*p != '$' || p[1] == '\0') + continue; + + if (p[1] == '$') + { + /* actual dollar sign.... */ + (void) sm_strlcpy(p, p + 1, strlen(p)); + continue; + } + + /* convert to macro expansion character */ + *p++ = MACROEXPAND; + + /* special handling for $=, $~, $&, and $? */ + if (*p == '=' || *p == '~' || *p == '&' || *p == '?') + p++; + + /* convert macro name to code */ + *p = macid_parse(p, &ep); + if (ep != p + 1) + (void) sm_strlcpy(p + 1, ep, strlen(p + 1)); + } + + /* strip trailing white space from the line */ + while (--p > bp && isascii(*p) && isspace(*p)) + *p = '\0'; +} +/* +** TOOMANY -- signal too many of some option +** +** Parameters: +** id -- the id of the error line +** maxcnt -- the maximum possible values +** +** Returns: +** none. +** +** Side Effects: +** gives a syserr. +*/ + +static void +toomany(id, maxcnt) + int id; + int maxcnt; +{ + syserr("too many %c lines, %d max", id, maxcnt); +} +/* +** FILECLASS -- read members of a class from a file +** +** Parameters: +** class -- class to define. +** filename -- name of file to read. +** fmt -- scanf string to use for match. +** ismap -- if set, this is a map lookup. +** safe -- if set, this is a safe read. +** optional -- if set, it is not an error for the file to +** not exist. +** +** Returns: +** none +** +** Side Effects: +** puts all lines in filename that match a scanf into +** the named class. +*/ + +/* +** Break up the match into words and add to class. +*/ + +static void +parse_class_words(class, line) + int class; + char *line; +{ + while (line != NULL && *line != '\0') + { + register char *q; + + /* strip leading spaces */ + while (isascii(*line) && isspace(*line)) + line++; + if (*line == '\0') + break; + + /* find the end of the word */ + q = line; + while (*line != '\0' && !(isascii(*line) && isspace(*line))) + line++; + if (*line != '\0') + *line++ = '\0'; + + /* enter the word in the symbol table */ + setclass(class, q); + } +} + +static void +fileclass(class, filename, fmt, ismap, safe, optional) + int class; + char *filename; + char *fmt; + bool ismap; + bool safe; + bool optional; +{ + SM_FILE_T *f; + long sff; + pid_t pid; + register char *p; + char buf[MAXLINE]; + + if (tTd(37, 2)) + sm_dprintf("fileclass(%s, fmt=%s)\n", filename, fmt); + + if (*filename == '\0') + { + syserr("fileclass: missing file name"); + return; + } + else if (ismap) + { + int status = 0; + char *key; + char *mn; + char *cl, *spec; + STAB *mapclass; + MAP map; + + mn = newstr(macname(class)); + + key = filename; + + /* skip past key */ + if ((p = strchr(filename, '@')) == NULL) + { + /* should not happen */ + syserr("fileclass: bogus map specification"); + sm_free(mn); + return; + } + + /* skip past '@' */ + *p++ = '\0'; + cl = p; + +#if LDAPMAP + if (strcmp(cl, "LDAP") == 0) + { + int n; + char *lc; + char jbuf[MAXHOSTNAMELEN]; + char lcbuf[MAXLINE]; + + /* Get $j */ + expand("\201j", jbuf, sizeof jbuf, &BlankEnvelope); + if (jbuf[0] == '\0') + { + (void) sm_strlcpy(jbuf, "localhost", + sizeof jbuf); + } + + /* impose the default schema */ + lc = macvalue(macid("{sendmailMTACluster}"), CurEnv); + if (lc == NULL) + lc = ""; + else + { + expand(lc, lcbuf, sizeof lcbuf, CurEnv); + lc = lcbuf; + } + + cl = "ldap"; + n = sm_snprintf(buf, sizeof buf, + "-k (&(objectClass=sendmailMTAClass)(sendmailMTAClassName=%s)(|(sendmailMTACluster=%s)(sendmailMTAHost=%s))) -v sendmailMTAClassValue,sendmailMTAClassSearch:FILTER:sendmailMTAClass,sendmailMTAClassURL:URL:sendmailMTAClass", + mn, lc, jbuf); + if (n >= sizeof buf) + { + syserr("fileclass: F{%s}: Default LDAP string too long", + mn); + sm_free(mn); + return; + } + spec = buf; + } + else +#endif /* LDAPMAP */ + { + if ((spec = strchr(cl, ':')) == NULL) + { + syserr("fileclass: F{%s}: missing map class", + mn); + sm_free(mn); + return; + } + *spec++ ='\0'; + } + + /* set up map structure */ + mapclass = stab(cl, ST_MAPCLASS, ST_FIND); + if (mapclass == NULL) + { + syserr("fileclass: F{%s}: class %s not available", + mn, cl); + sm_free(mn); + return; + } + memset(&map, '\0', sizeof map); + map.map_class = &mapclass->s_mapclass; + map.map_mname = mn; + map.map_mflags |= MF_FILECLASS; + + if (tTd(37, 5)) + sm_dprintf("fileclass: F{%s}: map class %s, key %s, spec %s\n", + mn, cl, key, spec); + + + /* parse map spec */ + if (!map.map_class->map_parse(&map, spec)) + { + /* map_parse() showed the error already */ + sm_free(mn); + return; + } + map.map_mflags |= MF_VALID; + + /* open map */ + if (map.map_class->map_open(&map, O_RDONLY)) + { + map.map_mflags |= MF_OPEN; + map.map_pid = getpid(); + } + else + { + if (!optional && + !bitset(MF_OPTIONAL, map.map_mflags)) + syserr("fileclass: F{%s}: map open failed", + mn); + sm_free(mn); + return; + } + + /* lookup */ + p = (*map.map_class->map_lookup)(&map, key, NULL, &status); + if (status != EX_OK && status != EX_NOTFOUND) + { + if (!optional) + syserr("fileclass: F{%s}: map lookup failed", + mn); + p = NULL; + } + + /* use the results */ + if (p != NULL) + parse_class_words(class, p); + + /* close map */ + map.map_mflags |= MF_CLOSING; + map.map_class->map_close(&map); + map.map_mflags &= ~(MF_OPEN|MF_WRITABLE|MF_CLOSING); + sm_free(mn); + return; + } + else if (filename[0] == '|') + { + auto int fd; + int i; + char *argv[MAXPV + 1]; + + i = 0; + for (p = strtok(&filename[1], " \t"); + p != NULL && i < MAXPV; + p = strtok(NULL, " \t")) + argv[i++] = p; + argv[i] = NULL; + pid = prog_open(argv, &fd, CurEnv); + if (pid < 0) + f = NULL; + else + f = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &fd, SM_IO_RDONLY, NULL); + } + else + { + pid = -1; + sff = SFF_REGONLY; + if (!bitnset(DBS_CLASSFILEINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + if (!bitnset(DBS_LINKEDCLASSFILEINWRITABLEDIR, + DontBlameSendmail)) + sff |= SFF_NOWLINK; + if (safe) + sff |= SFF_OPENASROOT; + else if (RealUid == 0) + sff |= SFF_ROOTOK; + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + f = safefopen(filename, O_RDONLY, 0, sff); + } + if (f == NULL) + { + if (!optional) + syserr("fileclass: cannot open '%s'", filename); + return; + } + + while (sm_io_fgets(f, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) + { +#if SCANF + char wordbuf[MAXLINE + 1]; +#endif /* SCANF */ + + if (buf[0] == '#') + continue; +#if SCANF + if (sm_io_sscanf(buf, fmt, wordbuf) != 1) + continue; + p = wordbuf; +#else /* SCANF */ + p = buf; +#endif /* SCANF */ + + parse_class_words(class, p); + + /* + ** If anything else is added here, + ** check if the '@' map case above + ** needs the code as well. + */ + } + + (void) sm_io_close(f, SM_TIME_DEFAULT); + if (pid > 0) + (void) waitfor(pid); +} +/* +** MAKEMAILER -- define a new mailer. +** +** Parameters: +** line -- description of mailer. This is in labeled +** fields. The fields are: +** A -- the argv for this mailer +** C -- the character set for MIME conversions +** D -- the directory to run in +** E -- the eol string +** F -- the flags associated with the mailer +** L -- the maximum line length +** M -- the maximum message size +** N -- the niceness at which to run +** P -- the path to the mailer +** Q -- the queue group for the mailer +** R -- the recipient rewriting set +** S -- the sender rewriting set +** T -- the mailer type (for DSNs) +** U -- the uid to run as +** W -- the time to wait at the end +** m -- maximum messages per connection +** r -- maximum number of recipients per message +** / -- new root directory +** The first word is the canonical name of the mailer. +** +** Returns: +** none. +** +** Side Effects: +** enters the mailer into the mailer table. +*/ + +void +makemailer(line) + char *line; +{ + register char *p; + register struct mailer *m; + register STAB *s; + int i; + char fcode; + auto char *endp; + static int nextmailer = 0; /* "free" index into Mailer struct */ + + /* allocate a mailer and set up defaults */ + m = (struct mailer *) xalloc(sizeof *m); + memset((char *) m, '\0', sizeof *m); + errno = 0; /* avoid bogus error text */ + + /* collect the mailer name */ + for (p = line; + *p != '\0' && *p != ',' && !(isascii(*p) && isspace(*p)); + p++) + continue; + if (*p != '\0') + *p++ = '\0'; + if (line[0] == '\0') + { + syserr("name required for mailer"); + return; + } + m->m_name = newstr(line); + m->m_qgrp = NOQGRP; + m->m_uid = NO_UID; + m->m_gid = NO_GID; + + /* now scan through and assign info from the fields */ + while (*p != '\0') + { + auto char *delimptr; + + while (*p != '\0' && + (*p == ',' || (isascii(*p) && isspace(*p)))) + p++; + + /* p now points to field code */ + fcode = *p; + while (*p != '\0' && *p != '=' && *p != ',') + p++; + if (*p++ != '=') + { + syserr("mailer %s: `=' expected", m->m_name); + return; + } + while (isascii(*p) && isspace(*p)) + p++; + + /* p now points to the field body */ + p = munchstring(p, &delimptr, ','); + + /* install the field into the mailer struct */ + switch (fcode) + { + case 'P': /* pathname */ + if (*p != '\0') /* error is issued below */ + m->m_mailer = newstr(p); + break; + + case 'F': /* flags */ + for (; *p != '\0'; p++) + { + if (!(isascii(*p) && isspace(*p))) + { +#if _FFR_DEPRECATE_MAILER_FLAG_I + if (*p == M_INTERNAL) + sm_syslog(LOG_WARNING, NOQID, + "WARNING: mailer=%s, flag=%c deprecated", + m->m_name, *p); +#endif /* _FFR_DEPRECATE_MAILER_FLAG_I */ + setbitn(bitidx(*p), m->m_flags); + } + } + break; + + case 'S': /* sender rewriting ruleset */ + case 'R': /* recipient rewriting ruleset */ + i = strtorwset(p, &endp, ST_ENTER); + if (i < 0) + return; + if (fcode == 'S') + m->m_sh_rwset = m->m_se_rwset = i; + else + m->m_rh_rwset = m->m_re_rwset = i; + + p = endp; + if (*p++ == '/') + { + i = strtorwset(p, NULL, ST_ENTER); + if (i < 0) + return; + if (fcode == 'S') + m->m_sh_rwset = i; + else + m->m_rh_rwset = i; + } + break; + + case 'E': /* end of line string */ + if (*p == '\0') + syserr("mailer %s: null end-of-line string", + m->m_name); + else + m->m_eol = newstr(p); + break; + + case 'A': /* argument vector */ + if (*p != '\0') /* error is issued below */ + m->m_argv = makeargv(p); + break; + + case 'M': /* maximum message size */ + m->m_maxsize = atol(p); + break; + + case 'm': /* maximum messages per connection */ + m->m_maxdeliveries = atoi(p); + break; + + case 'r': /* max recipient per envelope */ + m->m_maxrcpt = atoi(p); + break; + + case 'L': /* maximum line length */ + m->m_linelimit = atoi(p); + if (m->m_linelimit < 0) + m->m_linelimit = 0; + break; + + case 'N': /* run niceness */ + m->m_nice = atoi(p); + break; + + case 'D': /* working directory */ + if (*p == '\0') + syserr("mailer %s: null working directory", + m->m_name); + else + m->m_execdir = newstr(p); + break; + + case 'C': /* default charset */ + if (*p == '\0') + syserr("mailer %s: null charset", m->m_name); + else + m->m_defcharset = newstr(p); + break; + + case 'Q': /* queue for this mailer */ + if (*p == '\0') + { + syserr("mailer %s: null queue", m->m_name); + break; + } + s = stab(p, ST_QUEUE, ST_FIND); + if (s == NULL) + syserr("mailer %s: unknown queue %s", + m->m_name, p); + else + m->m_qgrp = s->s_quegrp->qg_index; + break; + + case 'T': /* MTA-Name/Address/Diagnostic types */ + /* extract MTA name type; default to "dns" */ + m->m_mtatype = newstr(p); + p = strchr(m->m_mtatype, '/'); + if (p != NULL) + { + *p++ = '\0'; + if (*p == '\0') + p = NULL; + } + if (*m->m_mtatype == '\0') + m->m_mtatype = "dns"; + + /* extract address type; default to "rfc822" */ + m->m_addrtype = p; + if (p != NULL) + p = strchr(p, '/'); + if (p != NULL) + { + *p++ = '\0'; + if (*p == '\0') + p = NULL; + } + if (m->m_addrtype == NULL || *m->m_addrtype == '\0') + m->m_addrtype = "rfc822"; + + /* extract diagnostic type; default to "smtp" */ + m->m_diagtype = p; + if (m->m_diagtype == NULL || *m->m_diagtype == '\0') + m->m_diagtype = "smtp"; + break; + + case 'U': /* user id */ + if (isascii(*p) && !isdigit(*p)) + { + char *q = p; + struct passwd *pw; + + while (*p != '\0' && isascii(*p) && + (isalnum(*p) || strchr("-_", *p) != NULL)) + p++; + while (isascii(*p) && isspace(*p)) + *p++ = '\0'; + if (*p != '\0') + *p++ = '\0'; + if (*q == '\0') + { + syserr("mailer %s: null user name", + m->m_name); + break; + } + pw = sm_getpwnam(q); + if (pw == NULL) + { + syserr("readcf: mailer U= flag: unknown user %s", q); + break; + } + else + { + m->m_uid = pw->pw_uid; + m->m_gid = pw->pw_gid; + } + } + else + { + auto char *q; + + m->m_uid = strtol(p, &q, 0); + p = q; + while (isascii(*p) && isspace(*p)) + p++; + if (*p != '\0') + p++; + } + while (isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + break; + if (isascii(*p) && !isdigit(*p)) + { + char *q = p; + struct group *gr; + + while (isascii(*p) && isalnum(*p)) + p++; + *p++ = '\0'; + if (*q == '\0') + { + syserr("mailer %s: null group name", + m->m_name); + break; + } + gr = getgrnam(q); + if (gr == NULL) + { + syserr("readcf: mailer U= flag: unknown group %s", q); + break; + } + else + m->m_gid = gr->gr_gid; + } + else + { + m->m_gid = strtol(p, NULL, 0); + } + break; + + case 'W': /* wait timeout */ + m->m_wait = convtime(p, 's'); + break; + + case '/': /* new root directory */ + if (*p == '\0') + syserr("mailer %s: null root directory", + m->m_name); + else + m->m_rootdir = newstr(p); + break; + + default: + syserr("M%s: unknown mailer equate %c=", + m->m_name, fcode); + break; + } + + p = delimptr; + } + +#if !HASRRESVPORT + if (bitnset(M_SECURE_PORT, m->m_flags)) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "M%s: Warning: F=%c set on system that doesn't support rresvport()\n", + m->m_name, M_SECURE_PORT); + } +#endif /* !HASRRESVPORT */ + +#if !HASNICE + if (m->m_nice != 0) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "M%s: Warning: N= set on system that doesn't support nice()\n", + m->m_name); + } +#endif /* !HASNICE */ + + /* do some rationality checking */ + if (m->m_argv == NULL) + { + syserr("M%s: A= argument required", m->m_name); + return; + } + if (m->m_mailer == NULL) + { + syserr("M%s: P= argument required", m->m_name); + return; + } + + if (nextmailer >= MAXMAILERS) + { + syserr("too many mailers defined (%d max)", MAXMAILERS); + return; + } + + if (m->m_maxrcpt <= 0) + m->m_maxrcpt = DEFAULT_MAX_RCPT; + + /* do some heuristic cleanup for back compatibility */ + if (bitnset(M_LIMITS, m->m_flags)) + { + if (m->m_linelimit == 0) + m->m_linelimit = SMTPLINELIM; + if (ConfigLevel < 2) + setbitn(M_7BITS, m->m_flags); + } + + if (strcmp(m->m_mailer, "[TCP]") == 0) + { + syserr("M%s: P=[TCP] must be replaced by P=[IPC]", m->m_name); + return; + } + + if (strcmp(m->m_mailer, "[IPC]") == 0) + { + /* Use the second argument for host or path to socket */ + if (m->m_argv[0] == NULL || m->m_argv[1] == NULL || + m->m_argv[1][0] == '\0') + { + syserr("M%s: too few parameters for %s mailer", + m->m_name, m->m_mailer); + return; + } + if (strcmp(m->m_argv[0], "TCP") != 0 +#if NETUNIX + && strcmp(m->m_argv[0], "FILE") != 0 +#endif /* NETUNIX */ + ) + { + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "M%s: Warning: first argument in %s mailer must be %s\n", + m->m_name, m->m_mailer, +#if NETUNIX + "TCP or FILE" +#else /* NETUNIX */ + "TCP" +#endif /* NETUNIX */ + ); + } + if (m->m_mtatype == NULL) + m->m_mtatype = "dns"; + if (m->m_addrtype == NULL) + m->m_addrtype = "rfc822"; + if (m->m_diagtype == NULL) + { + if (m->m_argv[0] != NULL && + strcmp(m->m_argv[0], "FILE") == 0) + m->m_diagtype = "x-unix"; + else + m->m_diagtype = "smtp"; + } + } + else if (strcmp(m->m_mailer, "[FILE]") == 0) + { + /* Use the second argument for filename */ + if (m->m_argv[0] == NULL || m->m_argv[1] == NULL || + m->m_argv[2] != NULL) + { + syserr("M%s: too %s parameters for [FILE] mailer", + m->m_name, + (m->m_argv[0] == NULL || + m->m_argv[1] == NULL) ? "few" : "many"); + return; + } + else if (strcmp(m->m_argv[0], "FILE") != 0) + { + syserr("M%s: first argument in [FILE] mailer must be FILE", + m->m_name); + return; + } + } + + if (m->m_eol == NULL) + { + char **pp; + + /* default for SMTP is \r\n; use \n for local delivery */ + for (pp = m->m_argv; *pp != NULL; pp++) + { + for (p = *pp; *p != '\0'; ) + { + if ((*p++ & 0377) == MACROEXPAND && *p == 'u') + break; + } + if (*p != '\0') + break; + } + if (*pp == NULL) + m->m_eol = "\r\n"; + else + m->m_eol = "\n"; + } + + /* enter the mailer into the symbol table */ + s = stab(m->m_name, ST_MAILER, ST_ENTER); + if (s->s_mailer != NULL) + { + i = s->s_mailer->m_mno; + sm_free(s->s_mailer); /* XXX */ + } + else + { + i = nextmailer++; + } + Mailer[i] = s->s_mailer = m; + m->m_mno = i; +} +/* +** MUNCHSTRING -- translate a string into internal form. +** +** Parameters: +** p -- the string to munch. +** delimptr -- if non-NULL, set to the pointer of the +** field delimiter character. +** delim -- the delimiter for the field. +** +** Returns: +** the munched string. +** +** Side Effects: +** the munched string is a local static buffer. +** it must be copied before the function is called again. +*/ + +char * +munchstring(p, delimptr, delim) + register char *p; + char **delimptr; + int delim; +{ + register char *q; + bool backslash = false; + bool quotemode = false; + static char buf[MAXLINE]; + + for (q = buf; *p != '\0' && q < &buf[sizeof buf - 1]; p++) + { + if (backslash) + { + /* everything is roughly literal */ + backslash = false; + switch (*p) + { + case 'r': /* carriage return */ + *q++ = '\r'; + continue; + + case 'n': /* newline */ + *q++ = '\n'; + continue; + + case 'f': /* form feed */ + *q++ = '\f'; + continue; + + case 'b': /* backspace */ + *q++ = '\b'; + continue; + } + *q++ = *p; + } + else + { + if (*p == '\\') + backslash = true; + else if (*p == '"') + quotemode = !quotemode; + else if (quotemode || *p != delim) + *q++ = *p; + else + break; + } + } + + if (delimptr != NULL) + *delimptr = p; + *q++ = '\0'; + return buf; +} +/* +** EXTRQUOTSTR -- extract a (quoted) string. +** +** This routine deals with quoted (") strings and escaped +** spaces (\\ ). +** +** Parameters: +** p -- source string. +** delimptr -- if non-NULL, set to the pointer of the +** field delimiter character. +** delimbuf -- delimiters for the field. +** st -- if non-NULL, store the return value (whether the +** string was correctly quoted) here. +** +** Returns: +** the extracted string. +** +** Side Effects: +** the returned string is a local static buffer. +** it must be copied before the function is called again. +*/ + +static char * +extrquotstr(p, delimptr, delimbuf, st) + register char *p; + char **delimptr; + char *delimbuf; + bool *st; +{ + register char *q; + bool backslash = false; + bool quotemode = false; + static char buf[MAXLINE]; + + for (q = buf; *p != '\0' && q < &buf[sizeof buf - 1]; p++) + { + if (backslash) + { + backslash = false; + if (*p != ' ') + *q++ = '\\'; + } + if (*p == '\\') + backslash = true; + else if (*p == '"') + quotemode = !quotemode; + else if (quotemode || + strchr(delimbuf, (int) *p) == NULL) + *q++ = *p; + else + break; + } + + if (delimptr != NULL) + *delimptr = p; + *q++ = '\0'; + if (st != NULL) + *st = !(quotemode || backslash); + return buf; +} +/* +** MAKEARGV -- break up a string into words +** +** Parameters: +** p -- the string to break up. +** +** Returns: +** a char **argv (dynamically allocated) +** +** Side Effects: +** munges p. +*/ + +static char ** +makeargv(p) + register char *p; +{ + char *q; + int i; + char **avp; + char *argv[MAXPV + 1]; + + /* take apart the words */ + i = 0; + while (*p != '\0' && i < MAXPV) + { + q = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + while (isascii(*p) && isspace(*p)) + *p++ = '\0'; + argv[i++] = newstr(q); + } + argv[i++] = NULL; + + /* now make a copy of the argv */ + avp = (char **) xalloc(sizeof *avp * i); + memmove((char *) avp, (char *) argv, sizeof *avp * i); + + return avp; +} +/* +** PRINTRULES -- print rewrite rules (for debugging) +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** prints rewrite rules. +*/ + +void +printrules() +{ + register struct rewrite *rwp; + register int ruleset; + + for (ruleset = 0; ruleset < 10; ruleset++) + { + if (RewriteRules[ruleset] == NULL) + continue; + sm_dprintf("\n----Rule Set %d:", ruleset); + + for (rwp = RewriteRules[ruleset]; rwp != NULL; rwp = rwp->r_next) + { + sm_dprintf("\nLHS:"); + printav(sm_debug_file(), rwp->r_lhs); + sm_dprintf("RHS:"); + printav(sm_debug_file(), rwp->r_rhs); + } + } +} +/* +** PRINTMAILER -- print mailer structure (for debugging) +** +** Parameters: +** fp -- output file +** m -- the mailer to print +** +** Returns: +** none. +*/ + +void +printmailer(fp, m) + SM_FILE_T *fp; + register MAILER *m; +{ + int j; + + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "mailer %d (%s): P=%s S=", m->m_mno, m->m_name, + m->m_mailer); + if (RuleSetNames[m->m_se_rwset] == NULL) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%d/", + m->m_se_rwset); + else + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s/", + RuleSetNames[m->m_se_rwset]); + if (RuleSetNames[m->m_sh_rwset] == NULL) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%d R=", + m->m_sh_rwset); + else + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s R=", + RuleSetNames[m->m_sh_rwset]); + if (RuleSetNames[m->m_re_rwset] == NULL) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%d/", + m->m_re_rwset); + else + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s/", + RuleSetNames[m->m_re_rwset]); + if (RuleSetNames[m->m_rh_rwset] == NULL) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%d ", + m->m_rh_rwset); + else + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s ", + RuleSetNames[m->m_rh_rwset]); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "M=%ld U=%d:%d F=", + m->m_maxsize, (int) m->m_uid, (int) m->m_gid); + for (j = '\0'; j <= '\177'; j++) + if (bitnset(j, m->m_flags)) + (void) sm_io_putc(fp, SM_TIME_DEFAULT, j); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, " L=%d E=", + m->m_linelimit); + xputs(fp, m->m_eol); + if (m->m_defcharset != NULL) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, " C=%s", + m->m_defcharset); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, " T=%s/%s/%s", + m->m_mtatype == NULL + ? "" : m->m_mtatype, + m->m_addrtype == NULL + ? "" : m->m_addrtype, + m->m_diagtype == NULL + ? "" : m->m_diagtype); + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, " r=%d", m->m_maxrcpt); + if (m->m_argv != NULL) + { + char **a = m->m_argv; + + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, " A="); + while (*a != NULL) + { + if (a != m->m_argv) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + " "); + xputs(fp, *a++); + } + } + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "\n"); +} +/* +** SETOPTION -- set global processing option +** +** Parameters: +** opt -- option name. +** val -- option value (as a text string). +** safe -- set if this came from a configuration file. +** Some options (if set from the command line) will +** reset the user id to avoid security problems. +** sticky -- if set, don't let other setoptions override +** this value. +** e -- the main envelope. +** +** Returns: +** none. +** +** Side Effects: +** Sets options as implied by the arguments. +*/ + +static BITMAP256 StickyOpt; /* set if option is stuck */ + +#if NAMED_BIND + +static struct resolverflags +{ + char *rf_name; /* name of the flag */ + long rf_bits; /* bits to set/clear */ +} ResolverFlags[] = +{ + { "debug", RES_DEBUG }, + { "aaonly", RES_AAONLY }, + { "usevc", RES_USEVC }, + { "primary", RES_PRIMARY }, + { "igntc", RES_IGNTC }, + { "recurse", RES_RECURSE }, + { "defnames", RES_DEFNAMES }, + { "stayopen", RES_STAYOPEN }, + { "dnsrch", RES_DNSRCH }, +# ifdef RES_USE_INET6 + { "use_inet6", RES_USE_INET6 }, +# endif /* RES_USE_INET6 */ + { "true", 0 }, /* avoid error on old syntax */ + { NULL, 0 } +}; + +#endif /* NAMED_BIND */ + +#define OI_NONE 0 /* no special treatment */ +#define OI_SAFE 0x0001 /* safe for random people to use */ +#define OI_SUBOPT 0x0002 /* option has suboptions */ + +static struct optioninfo +{ + char *o_name; /* long name of option */ + unsigned char o_code; /* short name of option */ + unsigned short o_flags; /* option flags */ +} OptionTab[] = +{ +#if defined(SUN_EXTENSIONS) && defined(REMOTE_MODE) + { "RemoteMode", '>', OI_NONE }, +#endif /* defined(SUN_EXTENSIONS) && defined(REMOTE_MODE) */ + { "SevenBitInput", '7', OI_SAFE }, + { "EightBitMode", '8', OI_SAFE }, + { "AliasFile", 'A', OI_NONE }, + { "AliasWait", 'a', OI_NONE }, + { "BlankSub", 'B', OI_NONE }, + { "MinFreeBlocks", 'b', OI_SAFE }, + { "CheckpointInterval", 'C', OI_SAFE }, + { "HoldExpensive", 'c', OI_NONE }, + { "DeliveryMode", 'd', OI_SAFE }, + { "ErrorHeader", 'E', OI_NONE }, + { "ErrorMode", 'e', OI_SAFE }, + { "TempFileMode", 'F', OI_NONE }, + { "SaveFromLine", 'f', OI_NONE }, + { "MatchGECOS", 'G', OI_NONE }, + + /* no long name, just here to avoid problems in setoption */ + { "", 'g', OI_NONE }, + { "HelpFile", 'H', OI_NONE }, + { "MaxHopCount", 'h', OI_NONE }, + { "ResolverOptions", 'I', OI_NONE }, + { "IgnoreDots", 'i', OI_SAFE }, + { "ForwardPath", 'J', OI_NONE }, + { "SendMimeErrors", 'j', OI_SAFE }, + { "ConnectionCacheSize", 'k', OI_NONE }, + { "ConnectionCacheTimeout", 'K', OI_NONE }, + { "UseErrorsTo", 'l', OI_NONE }, + { "LogLevel", 'L', OI_SAFE }, + { "MeToo", 'm', OI_SAFE }, + + /* no long name, just here to avoid problems in setoption */ + { "", 'M', OI_NONE }, + { "CheckAliases", 'n', OI_NONE }, + { "OldStyleHeaders", 'o', OI_SAFE }, + { "DaemonPortOptions", 'O', OI_NONE }, + { "PrivacyOptions", 'p', OI_SAFE }, + { "PostmasterCopy", 'P', OI_NONE }, + { "QueueFactor", 'q', OI_NONE }, + { "QueueDirectory", 'Q', OI_NONE }, + { "DontPruneRoutes", 'R', OI_NONE }, + { "Timeout", 'r', OI_SUBOPT }, + { "StatusFile", 'S', OI_NONE }, + { "SuperSafe", 's', OI_SAFE }, + { "QueueTimeout", 'T', OI_NONE }, + { "TimeZoneSpec", 't', OI_NONE }, + { "UserDatabaseSpec", 'U', OI_NONE }, + { "DefaultUser", 'u', OI_NONE }, + { "FallbackMXhost", 'V', OI_NONE }, + { "Verbose", 'v', OI_SAFE }, + { "TryNullMXList", 'w', OI_NONE }, + { "QueueLA", 'x', OI_NONE }, + { "RefuseLA", 'X', OI_NONE }, + { "RecipientFactor", 'y', OI_NONE }, + { "ForkEachJob", 'Y', OI_NONE }, + { "ClassFactor", 'z', OI_NONE }, + { "RetryFactor", 'Z', OI_NONE }, +#define O_QUEUESORTORD 0x81 + { "QueueSortOrder", O_QUEUESORTORD, OI_SAFE }, +#define O_HOSTSFILE 0x82 + { "HostsFile", O_HOSTSFILE, OI_NONE }, +#define O_MQA 0x83 + { "MinQueueAge", O_MQA, OI_SAFE }, +#define O_DEFCHARSET 0x85 + { "DefaultCharSet", O_DEFCHARSET, OI_SAFE }, +#define O_SSFILE 0x86 + { "ServiceSwitchFile", O_SSFILE, OI_NONE }, +#define O_DIALDELAY 0x87 + { "DialDelay", O_DIALDELAY, OI_SAFE }, +#define O_NORCPTACTION 0x88 + { "NoRecipientAction", O_NORCPTACTION, OI_SAFE }, +#define O_SAFEFILEENV 0x89 + { "SafeFileEnvironment", O_SAFEFILEENV, OI_NONE }, +#define O_MAXMSGSIZE 0x8a + { "MaxMessageSize", O_MAXMSGSIZE, OI_NONE }, +#define O_COLONOKINADDR 0x8b + { "ColonOkInAddr", O_COLONOKINADDR, OI_SAFE }, +#define O_MAXQUEUERUN 0x8c + { "MaxQueueRunSize", O_MAXQUEUERUN, OI_SAFE }, +#define O_MAXCHILDREN 0x8d + { "MaxDaemonChildren", O_MAXCHILDREN, OI_NONE }, +#define O_KEEPCNAMES 0x8e + { "DontExpandCnames", O_KEEPCNAMES, OI_NONE }, +#define O_MUSTQUOTE 0x8f + { "MustQuoteChars", O_MUSTQUOTE, OI_NONE }, +#define O_SMTPGREETING 0x90 + { "SmtpGreetingMessage", O_SMTPGREETING, OI_NONE }, +#define O_UNIXFROM 0x91 + { "UnixFromLine", O_UNIXFROM, OI_NONE }, +#define O_OPCHARS 0x92 + { "OperatorChars", O_OPCHARS, OI_NONE }, +#define O_DONTINITGRPS 0x93 + { "DontInitGroups", O_DONTINITGRPS, OI_NONE }, +#define O_SLFH 0x94 + { "SingleLineFromHeader", O_SLFH, OI_SAFE }, +#define O_ABH 0x95 + { "AllowBogusHELO", O_ABH, OI_SAFE }, +#define O_CONNTHROT 0x97 + { "ConnectionRateThrottle", O_CONNTHROT, OI_NONE }, +#define O_UGW 0x99 + { "UnsafeGroupWrites", O_UGW, OI_NONE }, +#define O_DBLBOUNCE 0x9a + { "DoubleBounceAddress", O_DBLBOUNCE, OI_NONE }, +#define O_HSDIR 0x9b + { "HostStatusDirectory", O_HSDIR, OI_NONE }, +#define O_SINGTHREAD 0x9c + { "SingleThreadDelivery", O_SINGTHREAD, OI_NONE }, +#define O_RUNASUSER 0x9d + { "RunAsUser", O_RUNASUSER, OI_NONE }, +#define O_DSN_RRT 0x9e + { "RrtImpliesDsn", O_DSN_RRT, OI_NONE }, +#define O_PIDFILE 0x9f + { "PidFile", O_PIDFILE, OI_NONE }, +#define O_DONTBLAMESENDMAIL 0xa0 + { "DontBlameSendmail", O_DONTBLAMESENDMAIL, OI_NONE }, +#define O_DPI 0xa1 + { "DontProbeInterfaces", O_DPI, OI_NONE }, +#define O_MAXRCPT 0xa2 + { "MaxRecipientsPerMessage", O_MAXRCPT, OI_SAFE }, +#define O_DEADLETTER 0xa3 + { "DeadLetterDrop", O_DEADLETTER, OI_NONE }, +#if _FFR_DONTLOCKFILESFORREAD_OPTION +# define O_DONTLOCK 0xa4 + { "DontLockFilesForRead", O_DONTLOCK, OI_NONE }, +#endif /* _FFR_DONTLOCKFILESFORREAD_OPTION */ +#define O_MAXALIASRCSN 0xa5 + { "MaxAliasRecursion", O_MAXALIASRCSN, OI_NONE }, +#define O_CNCTONLYTO 0xa6 + { "ConnectOnlyTo", O_CNCTONLYTO, OI_NONE }, +#define O_TRUSTUSER 0xa7 + { "TrustedUser", O_TRUSTUSER, OI_NONE }, +#define O_MAXMIMEHDRLEN 0xa8 + { "MaxMimeHeaderLength", O_MAXMIMEHDRLEN, OI_NONE }, +#define O_CONTROLSOCKET 0xa9 + { "ControlSocketName", O_CONTROLSOCKET, OI_NONE }, +#define O_MAXHDRSLEN 0xaa + { "MaxHeadersLength", O_MAXHDRSLEN, OI_NONE }, +#if _FFR_MAX_FORWARD_ENTRIES +# define O_MAXFORWARD 0xab + { "MaxForwardEntries", O_MAXFORWARD, OI_NONE }, +#endif /* _FFR_MAX_FORWARD_ENTRIES */ +#define O_PROCTITLEPREFIX 0xac + { "ProcessTitlePrefix", O_PROCTITLEPREFIX, OI_NONE }, +#define O_SASLINFO 0xad +#if _FFR_ALLOW_SASLINFO + { "DefaultAuthInfo", O_SASLINFO, OI_SAFE }, +#else /* _FFR_ALLOW_SASLINFO */ + { "DefaultAuthInfo", O_SASLINFO, OI_NONE }, +#endif /* _FFR_ALLOW_SASLINFO */ +#define O_SASLMECH 0xae + { "AuthMechanisms", O_SASLMECH, OI_NONE }, +#define O_CLIENTPORT 0xaf + { "ClientPortOptions", O_CLIENTPORT, OI_NONE }, +#define O_DF_BUFSIZE 0xb0 + { "DataFileBufferSize", O_DF_BUFSIZE, OI_NONE }, +#define O_XF_BUFSIZE 0xb1 + { "XscriptFileBufferSize", O_XF_BUFSIZE, OI_NONE }, +#define O_LDAPDEFAULTSPEC 0xb2 + { "LDAPDefaultSpec", O_LDAPDEFAULTSPEC, OI_NONE }, +#define O_SRVCERTFILE 0xb4 + { "ServerCertFile", O_SRVCERTFILE, OI_NONE }, +#define O_SRVKEYFILE 0xb5 + { "ServerKeyFile", O_SRVKEYFILE, OI_NONE }, +#define O_CLTCERTFILE 0xb6 + { "ClientCertFile", O_CLTCERTFILE, OI_NONE }, +#define O_CLTKEYFILE 0xb7 + { "ClientKeyFile", O_CLTKEYFILE, OI_NONE }, +#define O_CACERTFILE 0xb8 + { "CACertFile", O_CACERTFILE, OI_NONE }, +#define O_CACERTPATH 0xb9 + { "CACertPath", O_CACERTPATH, OI_NONE }, +#define O_DHPARAMS 0xba + { "DHParameters", O_DHPARAMS, OI_NONE }, +#define O_INPUTMILTER 0xbb + { "InputMailFilters", O_INPUTMILTER, OI_NONE }, +#define O_MILTER 0xbc + { "Milter", O_MILTER, OI_SUBOPT }, +#define O_SASLOPTS 0xbd + { "AuthOptions", O_SASLOPTS, OI_NONE }, +#define O_QUEUE_FILE_MODE 0xbe + { "QueueFileMode", O_QUEUE_FILE_MODE, OI_NONE }, +#if _FFR_TLS_1 +# define O_DHPARAMS5 0xbf + { "DHParameters512", O_DHPARAMS5, OI_NONE }, +# define O_CIPHERLIST 0xc0 + { "CipherList", O_CIPHERLIST, OI_NONE }, +#endif /* _FFR_TLS_1 */ +#define O_RANDFILE 0xc1 + { "RandFile", O_RANDFILE, OI_NONE }, +#define O_TLS_SRV_OPTS 0xc2 + { "TLSSrvOptions", O_TLS_SRV_OPTS, OI_NONE }, +#define O_RCPTTHROT 0xc3 + { "BadRcptThrottle", O_RCPTTHROT, OI_SAFE }, +#define O_DLVR_MIN 0xc4 + { "DeliverByMin", O_DLVR_MIN, OI_NONE }, +#define O_MAXQUEUECHILDREN 0xc5 + { "MaxQueueChildren", O_MAXQUEUECHILDREN, OI_NONE }, +#define O_MAXRUNNERSPERQUEUE 0xc6 + { "MaxRunnersPerQueue", O_MAXRUNNERSPERQUEUE, OI_NONE }, +#define O_DIRECTSUBMODIFIERS 0xc7 + { "DirectSubmissionModifiers", O_DIRECTSUBMODIFIERS, OI_NONE }, +#define O_NICEQUEUERUN 0xc8 + { "NiceQueueRun", O_NICEQUEUERUN, OI_NONE }, +#define O_SHMKEY 0xc9 + { "SharedMemoryKey", O_SHMKEY, OI_NONE }, +#define O_SASLBITS 0xca + { "AuthMaxBits", O_SASLBITS, OI_NONE }, +#define O_MBDB 0xcb + { "MailboxDatabase", O_MBDB, OI_NONE }, +#define O_MSQ 0xcc + { "UseMSP", O_MSQ, OI_NONE }, +#define O_DELAY_LA 0xcd + { "DelayLA", O_DELAY_LA, OI_NONE }, +#define O_FASTSPLIT 0xce + { "FastSplit", O_FASTSPLIT, OI_NONE }, +#if _FFR_SOFT_BOUNCE +# define O_SOFTBOUNCE 0xcf + { "SoftBounce", O_SOFTBOUNCE, OI_NONE }, +#endif /* _FFR_SOFT_BOUNCE */ +#if _FFR_SELECT_SHM +# define O_SHMKEYFILE 0xd0 + { "SharedMemoryKeyFile", O_SHMKEYFILE, OI_NONE }, +#endif /* _FFR_SELECT_SHM */ +#define O_REJECTLOGINTERVAL 0xd1 + { "RejectLogInterval", O_REJECTLOGINTERVAL, OI_NONE }, +#define O_REQUIRES_DIR_FSYNC 0xd2 + { "RequiresDirfsync", O_REQUIRES_DIR_FSYNC, OI_NONE }, +#define O_CONNECTION_RATE_WINDOW_SIZE 0xd3 + { "ConnectionRateWindowSize", O_CONNECTION_RATE_WINDOW_SIZE, OI_NONE }, +#define O_CRLFILE 0xd4 + { "CRLFile", O_CRLFILE, OI_NONE }, +#define O_FALLBACKSMARTHOST 0xd5 + { "FallbackSmartHost", O_FALLBACKSMARTHOST, OI_NONE }, +#define O_SASLREALM 0xd6 + { "AuthRealm", O_SASLREALM, OI_NONE }, +#if _FFR_CRLPATH +# define O_CRLPATH 0xd7 + { "CRLPath", O_CRLPATH, OI_NONE }, +#endif /* _FFR_CRLPATH */ +#if _FFR_HELONAME +# define O_HELONAME 0xd8 + { "HeloName", O_HELONAME, OI_NONE }, +#endif /* _FFR_HELONAME */ + + { NULL, '\0', OI_NONE } +}; + +# define CANONIFY(val) + +# define SET_OPT_DEFAULT(opt, val) opt = val + +/* set a string option by expanding the value and assigning it */ +/* WARNING this belongs ONLY into a case statement! */ +#define SET_STRING_EXP(str) \ + expand(val, exbuf, sizeof exbuf, e); \ + newval = sm_pstrdup_x(exbuf); \ + if (str != NULL) \ + sm_free(str); \ + CANONIFY(newval); \ + str = newval; \ + break + +#define OPTNAME o->o_name == NULL ? "" : o->o_name + +void +setoption(opt, val, safe, sticky, e) + int opt; + char *val; + bool safe; + bool sticky; + register ENVELOPE *e; +{ + register char *p; + register struct optioninfo *o; + char *subopt; + int mid; + bool can_setuid = RunAsUid == 0; + auto char *ep; + char buf[50]; + extern bool Warn_Q_option; +#if _FFR_ALLOW_SASLINFO + extern unsigned int SubmitMode; +#endif /* _FFR_ALLOW_SASLINFO */ +#if STARTTLS + char *newval; + char exbuf[MAXLINE]; +#endif /* STARTTLS */ + + errno = 0; + if (opt == ' ') + { + /* full word options */ + struct optioninfo *sel; + + p = strchr(val, '='); + if (p == NULL) + p = &val[strlen(val)]; + while (*--p == ' ') + continue; + while (*++p == ' ') + *p = '\0'; + if (p == val) + { + syserr("readcf: null option name"); + return; + } + if (*p == '=') + *p++ = '\0'; + while (*p == ' ') + p++; + subopt = strchr(val, '.'); + if (subopt != NULL) + *subopt++ = '\0'; + sel = NULL; + for (o = OptionTab; o->o_name != NULL; o++) + { + if (sm_strncasecmp(o->o_name, val, strlen(val)) != 0) + continue; + if (strlen(o->o_name) == strlen(val)) + { + /* completely specified -- this must be it */ + sel = NULL; + break; + } + if (sel != NULL) + break; + sel = o; + } + if (sel != NULL && o->o_name == NULL) + o = sel; + else if (o->o_name == NULL) + { + syserr("readcf: unknown option name %s", val); + return; + } + else if (sel != NULL) + { + syserr("readcf: ambiguous option name %s (matches %s and %s)", + val, sel->o_name, o->o_name); + return; + } + if (strlen(val) != strlen(o->o_name)) + { + int oldVerbose = Verbose; + + Verbose = 1; + message("Option %s used as abbreviation for %s", + val, o->o_name); + Verbose = oldVerbose; + } + opt = o->o_code; + val = p; + } + else + { + for (o = OptionTab; o->o_name != NULL; o++) + { + if (o->o_code == opt) + break; + } + if (o->o_name == NULL) + { + syserr("readcf: unknown option name 0x%x", opt & 0xff); + return; + } + subopt = NULL; + } + + if (subopt != NULL && !bitset(OI_SUBOPT, o->o_flags)) + { + if (tTd(37, 1)) + sm_dprintf("setoption: %s does not support suboptions, ignoring .%s\n", + OPTNAME, subopt); + subopt = NULL; + } + + if (tTd(37, 1)) + { + sm_dprintf(isascii(opt) && isprint(opt) ? + "setoption %s (%c)%s%s=" : + "setoption %s (0x%x)%s%s=", + OPTNAME, opt, subopt == NULL ? "" : ".", + subopt == NULL ? "" : subopt); + xputs(sm_debug_file(), val); + } + + /* + ** See if this option is preset for us. + */ + + if (!sticky && bitnset(opt, StickyOpt)) + { + if (tTd(37, 1)) + sm_dprintf(" (ignored)\n"); + return; + } + + /* + ** Check to see if this option can be specified by this user. + */ + + if (!safe && RealUid == 0) + safe = true; + if (!safe && !bitset(OI_SAFE, o->o_flags)) + { + if (opt != 'M' || (val[0] != 'r' && val[0] != 's')) + { + int dp; + + if (tTd(37, 1)) + sm_dprintf(" (unsafe)"); + dp = drop_privileges(true); + setstat(dp); + } + } + if (tTd(37, 1)) + sm_dprintf("\n"); + + switch (opt & 0xff) + { + case '7': /* force seven-bit input */ + SevenBitInput = atobool(val); + break; + + case '8': /* handling of 8-bit input */ +#if MIME8TO7 + switch (*val) + { + case 'p': /* pass 8 bit, convert MIME */ + MimeMode = MM_CVTMIME|MM_PASS8BIT; + break; + + case 'm': /* convert 8-bit, convert MIME */ + MimeMode = MM_CVTMIME|MM_MIME8BIT; + break; + + case 's': /* strict adherence */ + MimeMode = MM_CVTMIME; + break; + +# if 0 + case 'r': /* reject 8-bit, don't convert MIME */ + MimeMode = 0; + break; + + case 'j': /* "just send 8" */ + MimeMode = MM_PASS8BIT; + break; + + case 'a': /* encode 8 bit if available */ + MimeMode = MM_MIME8BIT|MM_PASS8BIT|MM_CVTMIME; + break; + + case 'c': /* convert 8 bit to MIME, never 7 bit */ + MimeMode = MM_MIME8BIT; + break; +# endif /* 0 */ + + default: + syserr("Unknown 8-bit mode %c", *val); + finis(false, true, EX_USAGE); + } +#else /* MIME8TO7 */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires MIME8TO7 support\n", + OPTNAME); +#endif /* MIME8TO7 */ + break; + + case 'A': /* set default alias file */ + if (val[0] == '\0') + { + char *al; + + SET_OPT_DEFAULT(al, "aliases"); + setalias(al); + } + else + setalias(val); + break; + + case 'a': /* look N minutes for "@:@" in alias file */ + if (val[0] == '\0') + SafeAlias = 5 MINUTES; + else + SafeAlias = convtime(val, 'm'); + break; + + case 'B': /* substitution for blank character */ + SpaceSub = val[0]; + if (SpaceSub == '\0') + SpaceSub = ' '; + break; + + case 'b': /* min blocks free on queue fs/max msg size */ + p = strchr(val, '/'); + if (p != NULL) + { + *p++ = '\0'; + MaxMessageSize = atol(p); + } + MinBlocksFree = atol(val); + break; + + case 'c': /* don't connect to "expensive" mailers */ + NoConnect = atobool(val); + break; + + case 'C': /* checkpoint every N addresses */ + if (safe || CheckpointInterval > atoi(val)) + CheckpointInterval = atoi(val); + break; + + case 'd': /* delivery mode */ + switch (*val) + { + case '\0': + set_delivery_mode(SM_DELIVER, e); + break; + + case SM_QUEUE: /* queue only */ + case SM_DEFER: /* queue only and defer map lookups */ + case SM_DELIVER: /* do everything */ + case SM_FORK: /* fork after verification */ + set_delivery_mode(*val, e); + break; + + default: + syserr("Unknown delivery mode %c", *val); + finis(false, true, EX_USAGE); + } + break; + + case 'E': /* error message header/header file */ + if (*val != '\0') + ErrMsgFile = newstr(val); + break; + + case 'e': /* set error processing mode */ + switch (*val) + { + case EM_QUIET: /* be silent about it */ + case EM_MAIL: /* mail back */ + case EM_BERKNET: /* do berknet error processing */ + case EM_WRITE: /* write back (or mail) */ + case EM_PRINT: /* print errors normally (default) */ + e->e_errormode = *val; + break; + } + break; + + case 'F': /* file mode */ + FileMode = atooct(val) & 0777; + break; + + case 'f': /* save Unix-style From lines on front */ + SaveFrom = atobool(val); + break; + + case 'G': /* match recipients against GECOS field */ + MatchGecos = atobool(val); + break; + + case 'g': /* default gid */ + g_opt: + if (isascii(*val) && isdigit(*val)) + DefGid = atoi(val); + else + { + register struct group *gr; + + DefGid = -1; + gr = getgrnam(val); + if (gr == NULL) + syserr("readcf: option %c: unknown group %s", + opt, val); + else + DefGid = gr->gr_gid; + } + break; + + case 'H': /* help file */ + if (val[0] == '\0') + { + SET_OPT_DEFAULT(HelpFile, "helpfile"); + } + else + { + CANONIFY(val); + HelpFile = newstr(val); + } + break; + + case 'h': /* maximum hop count */ + MaxHopCount = atoi(val); + break; + + case 'I': /* use internet domain name server */ +#if NAMED_BIND + for (p = val; *p != 0; ) + { + bool clearmode; + char *q; + struct resolverflags *rfp; + + while (*p == ' ') + p++; + if (*p == '\0') + break; + clearmode = false; + if (*p == '-') + clearmode = true; + else if (*p != '+') + p--; + p++; + q = p; + while (*p != '\0' && !(isascii(*p) && isspace(*p))) + p++; + if (*p != '\0') + *p++ = '\0'; + if (sm_strcasecmp(q, "HasWildcardMX") == 0) + { + HasWildcardMX = !clearmode; + continue; + } + if (sm_strcasecmp(q, "WorkAroundBrokenAAAA") == 0) + { + WorkAroundBrokenAAAA = !clearmode; + continue; + } + for (rfp = ResolverFlags; rfp->rf_name != NULL; rfp++) + { + if (sm_strcasecmp(q, rfp->rf_name) == 0) + break; + } + if (rfp->rf_name == NULL) + syserr("readcf: I option value %s unrecognized", q); + else if (clearmode) + _res.options &= ~rfp->rf_bits; + else + _res.options |= rfp->rf_bits; + } + if (tTd(8, 2)) + sm_dprintf("_res.options = %x, HasWildcardMX = %d\n", + (unsigned int) _res.options, HasWildcardMX); +#else /* NAMED_BIND */ + usrerr("name server (I option) specified but BIND not compiled in"); +#endif /* NAMED_BIND */ + break; + + case 'i': /* ignore dot lines in message */ + IgnrDot = atobool(val); + break; + + case 'j': /* send errors in MIME (RFC 1341) format */ + SendMIMEErrors = atobool(val); + break; + + case 'J': /* .forward search path */ + CANONIFY(val); + ForwardPath = newstr(val); + break; + + case 'k': /* connection cache size */ + MaxMciCache = atoi(val); + if (MaxMciCache < 0) + MaxMciCache = 0; + break; + + case 'K': /* connection cache timeout */ + MciCacheTimeout = convtime(val, 'm'); + break; + + case 'l': /* use Errors-To: header */ + UseErrorsTo = atobool(val); + break; + + case 'L': /* log level */ + if (safe || LogLevel < atoi(val)) + LogLevel = atoi(val); + break; + + case 'M': /* define macro */ + sticky = false; + mid = macid_parse(val, &ep); + if (mid == 0) + break; + p = newstr(ep); + if (!safe) + cleanstrcpy(p, p, strlen(p) + 1); + macdefine(&CurEnv->e_macro, A_TEMP, mid, p); + break; + + case 'm': /* send to me too */ + MeToo = atobool(val); + break; + + case 'n': /* validate RHS in newaliases */ + CheckAliases = atobool(val); + break; + + /* 'N' available -- was "net name" */ + + case 'O': /* daemon options */ + if (!setdaemonoptions(val)) + syserr("too many daemons defined (%d max)", MAXDAEMONS); + break; + + case 'o': /* assume old style headers */ + if (atobool(val)) + CurEnv->e_flags |= EF_OLDSTYLE; + else + CurEnv->e_flags &= ~EF_OLDSTYLE; + break; + + case 'p': /* select privacy level */ + p = val; + for (;;) + { + register struct prival *pv; + extern struct prival PrivacyValues[]; + + while (isascii(*p) && (isspace(*p) || ispunct(*p))) + p++; + if (*p == '\0') + break; + val = p; + while (isascii(*p) && isalnum(*p)) + p++; + if (*p != '\0') + *p++ = '\0'; + + for (pv = PrivacyValues; pv->pv_name != NULL; pv++) + { + if (sm_strcasecmp(val, pv->pv_name) == 0) + break; + } + if (pv->pv_name == NULL) + syserr("readcf: Op line: %s unrecognized", val); + else + PrivacyFlags |= pv->pv_flag; + } + sticky = false; + break; + + case 'P': /* postmaster copy address for returned mail */ + PostMasterCopy = newstr(val); + break; + + case 'q': /* slope of queue only function */ + QueueFactor = atoi(val); + break; + + case 'Q': /* queue directory */ + if (val[0] == '\0') + { + QueueDir = "mqueue"; + } + else + { + QueueDir = newstr(val); + } + if (RealUid != 0 && !safe) + Warn_Q_option = true; + break; + + case 'R': /* don't prune routes */ + DontPruneRoutes = atobool(val); + break; + + case 'r': /* read timeout */ + if (subopt == NULL) + inittimeouts(val, sticky); + else + settimeout(subopt, val, sticky); + break; + + case 'S': /* status file */ + if (val[0] == '\0') + { + SET_OPT_DEFAULT(StatFile, "statistics"); + } + else + { + CANONIFY(val); + StatFile = newstr(val); + } + break; + + case 's': /* be super safe, even if expensive */ + if (tolower(*val) == 'i') + SuperSafe = SAFE_INTERACTIVE; + else if (tolower(*val) == 'p') +#if MILTER + SuperSafe = SAFE_REALLY_POSTMILTER; +#else /* MILTER */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: SuperSafe=PostMilter requires Milter support (-DMILTER)\n"); +#endif /* MILTER */ + else + SuperSafe = atobool(val) ? SAFE_REALLY : SAFE_NO; + break; + + case 'T': /* queue timeout */ + p = strchr(val, '/'); + if (p != NULL) + { + *p++ = '\0'; + settimeout("queuewarn", p, sticky); + } + settimeout("queuereturn", val, sticky); + break; + + case 't': /* time zone name */ + TimeZoneSpec = newstr(val); + break; + + case 'U': /* location of user database */ + UdbSpec = newstr(val); + break; + + case 'u': /* set default uid */ + for (p = val; *p != '\0'; p++) + { +# if _FFR_DOTTED_USERNAMES + if (*p == '/' || *p == ':') +# else /* _FFR_DOTTED_USERNAMES */ + if (*p == '.' || *p == '/' || *p == ':') +# endif /* _FFR_DOTTED_USERNAMES */ + { + *p++ = '\0'; + break; + } + } + if (isascii(*val) && isdigit(*val)) + { + DefUid = atoi(val); + setdefuser(); + } + else + { + register struct passwd *pw; + + DefUid = -1; + pw = sm_getpwnam(val); + if (pw == NULL) + { + syserr("readcf: option u: unknown user %s", val); + break; + } + else + { + DefUid = pw->pw_uid; + DefGid = pw->pw_gid; + DefUser = newstr(pw->pw_name); + } + } + +# ifdef UID_MAX + if (DefUid > UID_MAX) + { + syserr("readcf: option u: uid value (%ld) > UID_MAX (%ld); ignored", + (long)DefUid, (long)UID_MAX); + break; + } +# endif /* UID_MAX */ + + /* handle the group if it is there */ + if (*p == '\0') + break; + val = p; + goto g_opt; + + case 'V': /* fallback MX host */ + if (val[0] != '\0') + FallbackMX = newstr(val); + break; + + case 'v': /* run in verbose mode */ + Verbose = atobool(val) ? 1 : 0; + break; + + case 'w': /* if we are best MX, try host directly */ + TryNullMXList = atobool(val); + break; + + /* 'W' available -- was wizard password */ + + case 'x': /* load avg at which to auto-queue msgs */ + QueueLA = atoi(val); + break; + + case 'X': /* load avg at which to auto-reject connections */ + RefuseLA = atoi(val); + break; + + case O_DELAY_LA: /* load avg at which to delay connections */ + DelayLA = atoi(val); + break; + + case 'y': /* work recipient factor */ + WkRecipFact = atoi(val); + break; + + case 'Y': /* fork jobs during queue runs */ + ForkQueueRuns = atobool(val); + break; + + case 'z': /* work message class factor */ + WkClassFact = atoi(val); + break; + + case 'Z': /* work time factor */ + WkTimeFact = atoi(val); + break; + + +#if _FFR_QUEUE_GROUP_SORTORDER + /* coordinate this with makequeue() */ +#endif /* _FFR_QUEUE_GROUP_SORTORDER */ + case O_QUEUESORTORD: /* queue sorting order */ + switch (*val) + { + case 'f': /* File Name */ + case 'F': + QueueSortOrder = QSO_BYFILENAME; + break; + + case 'h': /* Host first */ + case 'H': + QueueSortOrder = QSO_BYHOST; + break; + + case 'm': /* Modification time */ + case 'M': + QueueSortOrder = QSO_BYMODTIME; + break; + + case 'p': /* Priority order */ + case 'P': + QueueSortOrder = QSO_BYPRIORITY; + break; + + case 't': /* Submission time */ + case 'T': + QueueSortOrder = QSO_BYTIME; + break; + + case 'r': /* Random */ + case 'R': + QueueSortOrder = QSO_RANDOM; + break; + +#if _FFR_RHS + case 's': /* Shuffled host name */ + case 'S': + QueueSortOrder = QSO_BYSHUFFLE; + break; +#endif /* _FFR_RHS */ + + case 'n': /* none */ + case 'N': + QueueSortOrder = QSO_NONE; + break; + + default: + syserr("Invalid queue sort order \"%s\"", val); + } + break; + + case O_HOSTSFILE: /* pathname of /etc/hosts file */ + CANONIFY(val); + HostsFile = newstr(val); + break; + + case O_MQA: /* minimum queue age between deliveries */ + MinQueueAge = convtime(val, 'm'); + break; + + case O_DEFCHARSET: /* default character set for mimefying */ + DefaultCharSet = newstr(denlstring(val, true, true)); + break; + + case O_SSFILE: /* service switch file */ + CANONIFY(val); + ServiceSwitchFile = newstr(val); + break; + + case O_DIALDELAY: /* delay for dial-on-demand operation */ + DialDelay = convtime(val, 's'); + break; + + case O_NORCPTACTION: /* what to do if no recipient */ + if (sm_strcasecmp(val, "none") == 0) + NoRecipientAction = NRA_NO_ACTION; + else if (sm_strcasecmp(val, "add-to") == 0) + NoRecipientAction = NRA_ADD_TO; + else if (sm_strcasecmp(val, "add-apparently-to") == 0) + NoRecipientAction = NRA_ADD_APPARENTLY_TO; + else if (sm_strcasecmp(val, "add-bcc") == 0) + NoRecipientAction = NRA_ADD_BCC; + else if (sm_strcasecmp(val, "add-to-undisclosed") == 0) + NoRecipientAction = NRA_ADD_TO_UNDISCLOSED; + else + syserr("Invalid NoRecipientAction: %s", val); + break; + + case O_SAFEFILEENV: /* chroot() environ for writing to files */ + if (*val == '\0') + break; + + /* strip trailing slashes */ + p = val + strlen(val) - 1; + while (p >= val && *p == '/') + *p-- = '\0'; + + if (*val == '\0') + break; + + SafeFileEnv = newstr(val); + break; + + case O_MAXMSGSIZE: /* maximum message size */ + MaxMessageSize = atol(val); + break; + + case O_COLONOKINADDR: /* old style handling of colon addresses */ + ColonOkInAddr = atobool(val); + break; + + case O_MAXQUEUERUN: /* max # of jobs in a single queue run */ + MaxQueueRun = atoi(val); + break; + + case O_MAXCHILDREN: /* max # of children of daemon */ + MaxChildren = atoi(val); + break; + + case O_MAXQUEUECHILDREN: /* max # of children of daemon */ + MaxQueueChildren = atoi(val); + break; + + case O_MAXRUNNERSPERQUEUE: /* max # runners in a queue group */ + MaxRunnersPerQueue = atoi(val); + break; + + case O_NICEQUEUERUN: /* nice queue runs */ +#if !HASNICE + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: NiceQueueRun set on system that doesn't support nice()\n"); +#endif /* !HASNICE */ + + /* XXX do we want to check the range? > 0 ? */ + NiceQueueRun = atoi(val); + break; + + case O_SHMKEY: /* shared memory key */ +#if SM_CONF_SHM + ShmKey = atol(val); +#else /* SM_CONF_SHM */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires shared memory support (-DSM_CONF_SHM)\n", + OPTNAME); +#endif /* SM_CONF_SHM */ + break; + +#if _FFR_SELECT_SHM + case O_SHMKEYFILE: /* shared memory key file */ +# if SM_CONF_SHM + SET_STRING_EXP(ShmKeyFile); +# else /* SM_CONF_SHM */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires shared memory support (-DSM_CONF_SHM)\n", + OPTNAME); + break; +# endif /* SM_CONF_SHM */ +#endif /* _FFR_SELECT_SHM */ + +#if _FFR_MAX_FORWARD_ENTRIES + case O_MAXFORWARD: /* max # of forward entries */ + MaxForwardEntries = atoi(val); + break; +#endif /* _FFR_MAX_FORWARD_ENTRIES */ + + case O_KEEPCNAMES: /* don't expand CNAME records */ + DontExpandCnames = atobool(val); + break; + + case O_MUSTQUOTE: /* must quote these characters in phrases */ + (void) sm_strlcpy(buf, "@,;:\\()[]", sizeof buf); + if (strlen(val) < sizeof buf - 10) + (void) sm_strlcat(buf, val, sizeof buf); + else + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: MustQuoteChars too long, ignored.\n"); + MustQuoteChars = newstr(buf); + break; + + case O_SMTPGREETING: /* SMTP greeting message (old $e macro) */ + SmtpGreeting = newstr(munchstring(val, NULL, '\0')); + break; + + case O_UNIXFROM: /* UNIX From_ line (old $l macro) */ + UnixFromLine = newstr(munchstring(val, NULL, '\0')); + break; + + case O_OPCHARS: /* operator characters (old $o macro) */ + if (OperatorChars != NULL) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: OperatorChars is being redefined.\n It should only be set before ruleset definitions.\n"); + OperatorChars = newstr(munchstring(val, NULL, '\0')); + break; + + case O_DONTINITGRPS: /* don't call initgroups(3) */ + DontInitGroups = atobool(val); + break; + + case O_SLFH: /* make sure from fits on one line */ + SingleLineFromHeader = atobool(val); + break; + + case O_ABH: /* allow HELO commands with syntax errors */ + AllowBogusHELO = atobool(val); + break; + + case O_CONNTHROT: /* connection rate throttle */ + ConnRateThrottle = atoi(val); + break; + + case O_UGW: /* group writable files are unsafe */ + if (!atobool(val)) + { + setbitn(DBS_GROUPWRITABLEFORWARDFILESAFE, + DontBlameSendmail); + setbitn(DBS_GROUPWRITABLEINCLUDEFILESAFE, + DontBlameSendmail); + } + break; + + case O_DBLBOUNCE: /* address to which to send double bounces */ + DoubleBounceAddr = newstr(val); + break; + + case O_HSDIR: /* persistent host status directory */ + if (val[0] != '\0') + { + CANONIFY(val); + HostStatDir = newstr(val); + } + break; + + case O_SINGTHREAD: /* single thread deliveries (requires hsdir) */ + SingleThreadDelivery = atobool(val); + break; + + case O_RUNASUSER: /* run bulk of code as this user */ + for (p = val; *p != '\0'; p++) + { +# if _FFR_DOTTED_USERNAMES + if (*p == '/' || *p == ':') +# else /* _FFR_DOTTED_USERNAMES */ + if (*p == '.' || *p == '/' || *p == ':') +# endif /* _FFR_DOTTED_USERNAMES */ + { + *p++ = '\0'; + break; + } + } + if (isascii(*val) && isdigit(*val)) + { + if (can_setuid) + RunAsUid = atoi(val); + } + else + { + register struct passwd *pw; + + pw = sm_getpwnam(val); + if (pw == NULL) + { + syserr("readcf: option RunAsUser: unknown user %s", val); + break; + } + else if (can_setuid) + { + if (*p == '\0') + RunAsUserName = newstr(val); + RunAsUid = pw->pw_uid; + RunAsGid = pw->pw_gid; + } + else if (EffGid == pw->pw_gid) + RunAsGid = pw->pw_gid; + else if (UseMSP && *p == '\0') + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "WARNING: RunAsUser for MSP ignored, check group ids (egid=%d, want=%d)\n", + (int) EffGid, + (int) pw->pw_gid); + } +# ifdef UID_MAX + if (RunAsUid > UID_MAX) + { + syserr("readcf: option RunAsUser: uid value (%ld) > UID_MAX (%ld); ignored", + (long) RunAsUid, (long) UID_MAX); + break; + } +# endif /* UID_MAX */ + if (*p != '\0') + { + if (isascii(*p) && isdigit(*p)) + { + gid_t runasgid; + + runasgid = (gid_t) atoi(p); + if (can_setuid || EffGid == runasgid) + RunAsGid = runasgid; + else if (UseMSP) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "WARNING: RunAsUser for MSP ignored, check group ids (egid=%d, want=%d)\n", + (int) EffGid, + (int) runasgid); + } + else + { + register struct group *gr; + + gr = getgrnam(p); + if (gr == NULL) + syserr("readcf: option RunAsUser: unknown group %s", + p); + else if (can_setuid || EffGid == gr->gr_gid) + RunAsGid = gr->gr_gid; + else if (UseMSP) + (void) sm_io_fprintf(smioout, + SM_TIME_DEFAULT, + "WARNING: RunAsUser for MSP ignored, check group ids (egid=%d, want=%d)\n", + (int) EffGid, + (int) gr->gr_gid); + } + } + if (tTd(47, 5)) + sm_dprintf("readcf: RunAsUser = %d:%d\n", + (int) RunAsUid, (int) RunAsGid); + break; + + case O_DSN_RRT: + RrtImpliesDsn = atobool(val); + break; + + case O_PIDFILE: + PSTRSET(PidFile, val); + break; + + case O_DONTBLAMESENDMAIL: + p = val; + for (;;) + { + register struct dbsval *dbs; + extern struct dbsval DontBlameSendmailValues[]; + + while (isascii(*p) && (isspace(*p) || ispunct(*p))) + p++; + if (*p == '\0') + break; + val = p; + while (isascii(*p) && isalnum(*p)) + p++; + if (*p != '\0') + *p++ = '\0'; + + for (dbs = DontBlameSendmailValues; + dbs->dbs_name != NULL; dbs++) + { + if (sm_strcasecmp(val, dbs->dbs_name) == 0) + break; + } + if (dbs->dbs_name == NULL) + syserr("readcf: DontBlameSendmail option: %s unrecognized", val); + else if (dbs->dbs_flag == DBS_SAFE) + clrbitmap(DontBlameSendmail); + else + setbitn(dbs->dbs_flag, DontBlameSendmail); + } + sticky = false; + break; + + case O_DPI: + if (sm_strcasecmp(val, "loopback") == 0) + DontProbeInterfaces = DPI_SKIPLOOPBACK; + else if (atobool(val)) + DontProbeInterfaces = DPI_PROBENONE; + else + DontProbeInterfaces = DPI_PROBEALL; + break; + + case O_MAXRCPT: + MaxRcptPerMsg = atoi(val); + break; + + case O_RCPTTHROT: + BadRcptThrottle = atoi(val); + break; + + case O_DEADLETTER: + CANONIFY(val); + PSTRSET(DeadLetterDrop, val); + break; + +#if _FFR_DONTLOCKFILESFORREAD_OPTION + case O_DONTLOCK: + DontLockReadFiles = atobool(val); + break; +#endif /* _FFR_DONTLOCKFILESFORREAD_OPTION */ + + case O_MAXALIASRCSN: + MaxAliasRecursion = atoi(val); + break; + + case O_CNCTONLYTO: + /* XXX should probably use gethostbyname */ +#if NETINET || NETINET6 + ConnectOnlyTo.sa.sa_family = AF_UNSPEC; +# if NETINET6 + if (anynet_pton(AF_INET6, val, + &ConnectOnlyTo.sin6.sin6_addr) != 1) + ConnectOnlyTo.sa.sa_family = AF_INET6; + else +# endif /* NETINET6 */ +# if NETINET + { + ConnectOnlyTo.sin.sin_addr.s_addr = inet_addr(val); + if (ConnectOnlyTo.sin.sin_addr.s_addr != INADDR_NONE) + ConnectOnlyTo.sa.sa_family = AF_INET; + } + +# endif /* NETINET */ + if (ConnectOnlyTo.sa.sa_family == AF_UNSPEC) + { + syserr("readcf: option ConnectOnlyTo: invalid IP address %s", + val); + break; + } +#endif /* NETINET || NETINET6 */ + break; + + case O_TRUSTUSER: +# if !HASFCHOWN && !defined(_FFR_DROP_TRUSTUSER_WARNING) + if (!UseMSP) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "readcf: option TrustedUser may cause problems on systems\n which do not support fchown() if UseMSP is not set.\n"); +# endif /* !HASFCHOWN && !defined(_FFR_DROP_TRUSTUSER_WARNING) */ + if (isascii(*val) && isdigit(*val)) + TrustedUid = atoi(val); + else + { + register struct passwd *pw; + + TrustedUid = 0; + pw = sm_getpwnam(val); + if (pw == NULL) + { + syserr("readcf: option TrustedUser: unknown user %s", val); + break; + } + else + TrustedUid = pw->pw_uid; + } + +# ifdef UID_MAX + if (TrustedUid > UID_MAX) + { + syserr("readcf: option TrustedUser: uid value (%ld) > UID_MAX (%ld)", + (long) TrustedUid, (long) UID_MAX); + TrustedUid = 0; + } +# endif /* UID_MAX */ + break; + + case O_MAXMIMEHDRLEN: + p = strchr(val, '/'); + if (p != NULL) + *p++ = '\0'; + MaxMimeHeaderLength = atoi(val); + if (p != NULL && *p != '\0') + MaxMimeFieldLength = atoi(p); + else + MaxMimeFieldLength = MaxMimeHeaderLength / 2; + + if (MaxMimeHeaderLength <= 0) + MaxMimeHeaderLength = 0; + else if (MaxMimeHeaderLength < 128) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: MaxMimeHeaderLength: header length limit set lower than 128\n"); + + if (MaxMimeFieldLength <= 0) + MaxMimeFieldLength = 0; + else if (MaxMimeFieldLength < 40) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: MaxMimeHeaderLength: field length limit set lower than 40\n"); + break; + + case O_CONTROLSOCKET: + PSTRSET(ControlSocketName, val); + break; + + case O_MAXHDRSLEN: + MaxHeadersLength = atoi(val); + + if (MaxHeadersLength > 0 && + MaxHeadersLength < (MAXHDRSLEN / 2)) + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: MaxHeadersLength: headers length limit set lower than %d\n", + (MAXHDRSLEN / 2)); + break; + + case O_PROCTITLEPREFIX: + PSTRSET(ProcTitlePrefix, val); + break; + +#if SASL + case O_SASLINFO: +# if _FFR_ALLOW_SASLINFO + /* + ** Allow users to select their own authinfo file + ** under certain circumstances, otherwise just ignore + ** the option. If the option isn't ignored, several + ** commands don't work very well, e.g., mailq. + ** However, this is not a "perfect" solution. + ** If mail is queued, the authentication info + ** will not be used in subsequent delivery attempts. + ** If we really want to support this, then it has + ** to be stored in the queue file. + */ + if (!bitset(SUBMIT_MSA, SubmitMode) && RealUid != 0 && + RunAsUid != RealUid) + break; +# endif /* _FFR_ALLOW_SASLINFO */ + PSTRSET(SASLInfo, val); + break; + + case O_SASLMECH: + if (AuthMechanisms != NULL) + sm_free(AuthMechanisms); /* XXX */ + if (*val != '\0') + AuthMechanisms = newstr(val); + else + AuthMechanisms = NULL; + break; + + case O_SASLREALM: + if (AuthRealm != NULL) + sm_free(AuthRealm); + if (*val != '\0') + AuthRealm = newstr(val); + else + AuthRealm = NULL; + break; + + case O_SASLOPTS: + while (val != NULL && *val != '\0') + { + switch (*val) + { + case 'A': + SASLOpts |= SASL_AUTH_AUTH; + break; + + case 'a': + SASLOpts |= SASL_SEC_NOACTIVE; + break; + + case 'c': + SASLOpts |= SASL_SEC_PASS_CREDENTIALS; + break; + + case 'd': + SASLOpts |= SASL_SEC_NODICTIONARY; + break; + + case 'f': + SASLOpts |= SASL_SEC_FORWARD_SECRECY; + break; + +# if SASL >= 20101 + case 'm': + SASLOpts |= SASL_SEC_MUTUAL_AUTH; + break; +# endif /* SASL >= 20101 */ + + case 'p': + SASLOpts |= SASL_SEC_NOPLAINTEXT; + break; + + case 'y': + SASLOpts |= SASL_SEC_NOANONYMOUS; + break; + + case ' ': /* ignore */ + case '\t': /* ignore */ + case ',': /* ignore */ + break; + + default: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s unknown parameter '%c'\n", + OPTNAME, + (isascii(*val) && + isprint(*val)) + ? *val : '?'); + break; + } + ++val; + val = strpbrk(val, ", \t"); + if (val != NULL) + ++val; + } + break; + + case O_SASLBITS: + MaxSLBits = atoi(val); + break; + +#else /* SASL */ + case O_SASLINFO: + case O_SASLMECH: + case O_SASLREALM: + case O_SASLOPTS: + case O_SASLBITS: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires SASL support (-DSASL)\n", + OPTNAME); + break; +#endif /* SASL */ + +#if STARTTLS + case O_SRVCERTFILE: + SET_STRING_EXP(SrvCertFile); + case O_SRVKEYFILE: + SET_STRING_EXP(SrvKeyFile); + case O_CLTCERTFILE: + SET_STRING_EXP(CltCertFile); + case O_CLTKEYFILE: + SET_STRING_EXP(CltKeyFile); + case O_CACERTFILE: + SET_STRING_EXP(CACertFile); + case O_CACERTPATH: + SET_STRING_EXP(CACertPath); + case O_DHPARAMS: + SET_STRING_EXP(DHParams); +# if _FFR_TLS_1 + case O_DHPARAMS5: + SET_STRING_EXP(DHParams5); + case O_CIPHERLIST: + SET_STRING_EXP(CipherList); +# endif /* _FFR_TLS_1 */ + case O_CRLFILE: +# if OPENSSL_VERSION_NUMBER > 0x00907000L + SET_STRING_EXP(CRLFile); +# else /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires at least OpenSSL 0.9.7\n", + OPTNAME); + break; +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + +# if _FFR_CRLPATH + case O_CRLPATH: +# if OPENSSL_VERSION_NUMBER > 0x00907000L + SET_STRING_EXP(CRLPath); +# else /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires at least OpenSSL 0.9.7\n", + OPTNAME); + break; +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ +# endif /* _FFR_CRLPATH */ + + /* + ** XXX How about options per daemon/client instead of globally? + ** This doesn't work well for some options, e.g., no server cert, + ** but fine for others. + ** + ** XXX Some people may want different certs per server. + ** + ** See also srvfeatures() + */ + + case O_TLS_SRV_OPTS: + while (val != NULL && *val != '\0') + { + switch (*val) + { + case 'V': + TLS_Srv_Opts |= TLS_I_NO_VRFY; + break; +# if _FFR_TLS_1 + /* + ** Server without a cert? That works only if + ** AnonDH is enabled as cipher, which is not in the + ** default list. Hence the CipherList option must + ** be available. Moreover: which clients support this + ** besides sendmail with this setting? + */ + + case 'C': + TLS_Srv_Opts &= ~TLS_I_SRV_CERT; + break; +# endif /* _FFR_TLS_1 */ + case ' ': /* ignore */ + case '\t': /* ignore */ + case ',': /* ignore */ + break; + default: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s unknown parameter '%c'\n", + OPTNAME, + (isascii(*val) && + isprint(*val)) + ? *val : '?'); + break; + } + ++val; + val = strpbrk(val, ", \t"); + if (val != NULL) + ++val; + } + break; + + case O_RANDFILE: + PSTRSET(RandFile, val); + break; + +#else /* STARTTLS */ + case O_SRVCERTFILE: + case O_SRVKEYFILE: + case O_CLTCERTFILE: + case O_CLTKEYFILE: + case O_CACERTFILE: + case O_CACERTPATH: + case O_DHPARAMS: +# if _FFR_TLS_1 + case O_DHPARAMS5: + case O_CIPHERLIST: +# endif /* _FFR_TLS_1 */ + case O_CRLFILE: +# if _FFR_CRLPATH + case O_CRLPATH: +# endif /* _FFR_CRLPATH */ + case O_RANDFILE: + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires TLS support\n", + OPTNAME); + break; + +#endif /* STARTTLS */ + + case O_CLIENTPORT: + setclientoptions(val); + break; + + case O_DF_BUFSIZE: + DataFileBufferSize = atoi(val); + break; + + case O_XF_BUFSIZE: + XscriptFileBufferSize = atoi(val); + break; + + case O_LDAPDEFAULTSPEC: +#if LDAPMAP + ldapmap_set_defaults(val); +#else /* LDAPMAP */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires LDAP support (-DLDAPMAP)\n", + OPTNAME); +#endif /* LDAPMAP */ + break; + + case O_INPUTMILTER: +#if MILTER + InputFilterList = newstr(val); +#else /* MILTER */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires Milter support (-DMILTER)\n", + OPTNAME); +#endif /* MILTER */ + break; + + case O_MILTER: +#if MILTER + milter_set_option(subopt, val, sticky); +#else /* MILTER */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Warning: Option: %s requires Milter support (-DMILTER)\n", + OPTNAME); +#endif /* MILTER */ + break; + + case O_QUEUE_FILE_MODE: /* queue file mode */ + QueueFileMode = atooct(val) & 0777; + break; + + case O_DLVR_MIN: /* deliver by minimum time */ + DeliverByMin = convtime(val, 's'); + break; + + /* modifiers {daemon_flags} for direct submissions */ + case O_DIRECTSUBMODIFIERS: + { + BITMAP256 m; /* ignored */ + extern ENVELOPE BlankEnvelope; + + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{daemon_flags}"), + getmodifiers(val, m)); + } + break; + + case O_FASTSPLIT: + FastSplit = atoi(val); + break; + + case O_MBDB: + Mbdb = newstr(val); + break; + + case O_MSQ: + UseMSP = atobool(val); + break; + +#if _FFR_SOFT_BOUNCE + case O_SOFTBOUNCE: + SoftBounce = atobool(val); + break; +#endif /* _FFR_SOFT_BOUNCE */ + + case O_REJECTLOGINTERVAL: /* time btwn log msgs while refusing */ + RejectLogInterval = convtime(val, 'h'); + break; + + case O_REQUIRES_DIR_FSYNC: +#if REQUIRES_DIR_FSYNC + RequiresDirfsync = atobool(val); +#else /* REQUIRES_DIR_FSYNC */ + /* silently ignored... required for cf file option */ +#endif /* REQUIRES_DIR_FSYNC */ + break; + + case O_CONNECTION_RATE_WINDOW_SIZE: + ConnectionRateWindowSize = convtime(val, 's'); + break; + + case O_FALLBACKSMARTHOST: /* fallback smart host */ + if (val[0] != '\0') + FallbackSmartHost = newstr(val); + break; + +#if _FFR_HELONAME + case O_HELONAME: + HeloName = newstr(val); + break; +#endif /* _FFR_HELONAME */ + + default: + if (tTd(37, 1)) + { + if (isascii(opt) && isprint(opt)) + sm_dprintf("Warning: option %c unknown\n", opt); + else + sm_dprintf("Warning: option 0x%x unknown\n", opt); + } + break; + } + + /* + ** Options with suboptions are responsible for taking care + ** of sticky-ness (e.g., that a command line setting is kept + ** when reading in the sendmail.cf file). This has to be done + ** when the suboptions are parsed since each suboption must be + ** sticky, not the root option. + */ + + if (sticky && !bitset(OI_SUBOPT, o->o_flags)) + setbitn(opt, StickyOpt); +} +/* +** SETCLASS -- set a string into a class +** +** Parameters: +** class -- the class to put the string in. +** str -- the string to enter +** +** Returns: +** none. +** +** Side Effects: +** puts the word into the symbol table. +*/ + +void +setclass(class, str) + int class; + char *str; +{ + register STAB *s; + + if ((*str & 0377) == MATCHCLASS) + { + int mid; + + str++; + mid = macid(str); + if (mid == 0) + return; + + if (tTd(37, 8)) + sm_dprintf("setclass(%s, $=%s)\n", + macname(class), macname(mid)); + copy_class(mid, class); + } + else + { + if (tTd(37, 8)) + sm_dprintf("setclass(%s, %s)\n", macname(class), str); + + s = stab(str, ST_CLASS, ST_ENTER); + setbitn(bitidx(class), s->s_class); + } +} +/* +** MAKEMAPENTRY -- create a map entry +** +** Parameters: +** line -- the config file line +** +** Returns: +** A pointer to the map that has been created. +** NULL if there was a syntax error. +** +** Side Effects: +** Enters the map into the dictionary. +*/ + +MAP * +makemapentry(line) + char *line; +{ + register char *p; + char *mapname; + char *classname; + register STAB *s; + STAB *class; + + for (p = line; isascii(*p) && isspace(*p); p++) + continue; + if (!(isascii(*p) && isalnum(*p))) + { + syserr("readcf: config K line: no map name"); + return NULL; + } + + mapname = p; + while ((isascii(*++p) && isalnum(*p)) || *p == '_' || *p == '.') + continue; + if (*p != '\0') + *p++ = '\0'; + while (isascii(*p) && isspace(*p)) + p++; + if (!(isascii(*p) && isalnum(*p))) + { + syserr("readcf: config K line, map %s: no map class", mapname); + return NULL; + } + classname = p; + while (isascii(*++p) && isalnum(*p)) + continue; + if (*p != '\0') + *p++ = '\0'; + while (isascii(*p) && isspace(*p)) + p++; + + /* look up the class */ + class = stab(classname, ST_MAPCLASS, ST_FIND); + if (class == NULL) + { + syserr("readcf: map %s: class %s not available", mapname, + classname); + return NULL; + } + + /* enter the map */ + s = stab(mapname, ST_MAP, ST_ENTER); + s->s_map.map_class = &class->s_mapclass; + s->s_map.map_mname = newstr(mapname); + + if (class->s_mapclass.map_parse(&s->s_map, p)) + s->s_map.map_mflags |= MF_VALID; + + if (tTd(37, 5)) + { + sm_dprintf("map %s, class %s, flags %lx, file %s,\n", + s->s_map.map_mname, s->s_map.map_class->map_cname, + s->s_map.map_mflags, s->s_map.map_file); + sm_dprintf("\tapp %s, domain %s, rebuild %s\n", + s->s_map.map_app, s->s_map.map_domain, + s->s_map.map_rebuild); + } + return &s->s_map; +} +/* +** STRTORWSET -- convert string to rewriting set number +** +** Parameters: +** p -- the pointer to the string to decode. +** endp -- if set, store the trailing delimiter here. +** stabmode -- ST_ENTER to create this entry, ST_FIND if +** it must already exist. +** +** Returns: +** The appropriate ruleset number. +** -1 if it is not valid (error already printed) +*/ + +int +strtorwset(p, endp, stabmode) + char *p; + char **endp; + int stabmode; +{ + int ruleset; + static int nextruleset = MAXRWSETS; + + while (isascii(*p) && isspace(*p)) + p++; + if (!isascii(*p)) + { + syserr("invalid ruleset name: \"%.20s\"", p); + return -1; + } + if (isdigit(*p)) + { + ruleset = strtol(p, endp, 10); + if (ruleset >= MAXRWSETS / 2 || ruleset < 0) + { + syserr("bad ruleset %d (%d max)", + ruleset, MAXRWSETS / 2); + ruleset = -1; + } + } + else + { + STAB *s; + char delim; + char *q = NULL; + + q = p; + while (*p != '\0' && isascii(*p) && + (isalnum(*p) || *p == '_')) + p++; + if (q == p || !(isascii(*q) && isalpha(*q))) + { + /* no valid characters */ + syserr("invalid ruleset name: \"%.20s\"", q); + return -1; + } + while (isascii(*p) && isspace(*p)) + *p++ = '\0'; + delim = *p; + if (delim != '\0') + *p = '\0'; + s = stab(q, ST_RULESET, stabmode); + if (delim != '\0') + *p = delim; + + if (s == NULL) + return -1; + + if (stabmode == ST_ENTER && delim == '=') + { + while (isascii(*++p) && isspace(*p)) + continue; + if (!(isascii(*p) && isdigit(*p))) + { + syserr("bad ruleset definition \"%s\" (number required after `=')", q); + ruleset = -1; + } + else + { + ruleset = strtol(p, endp, 10); + if (ruleset >= MAXRWSETS / 2 || ruleset < 0) + { + syserr("bad ruleset number %d in \"%s\" (%d max)", + ruleset, q, MAXRWSETS / 2); + ruleset = -1; + } + } + } + else + { + if (endp != NULL) + *endp = p; + if (s->s_ruleset >= 0) + ruleset = s->s_ruleset; + else if ((ruleset = --nextruleset) < MAXRWSETS / 2) + { + syserr("%s: too many named rulesets (%d max)", + q, MAXRWSETS / 2); + ruleset = -1; + } + } + if (s->s_ruleset >= 0 && + ruleset >= 0 && + ruleset != s->s_ruleset) + { + syserr("%s: ruleset changed value (old %d, new %d)", + q, s->s_ruleset, ruleset); + ruleset = s->s_ruleset; + } + else if (ruleset >= 0) + { + s->s_ruleset = ruleset; + } + if (stabmode == ST_ENTER && ruleset >= 0) + { + char *h = NULL; + + if (RuleSetNames[ruleset] != NULL) + sm_free(RuleSetNames[ruleset]); /* XXX */ + if (delim != '\0' && (h = strchr(q, delim)) != NULL) + *h = '\0'; + RuleSetNames[ruleset] = newstr(q); + if (delim == '/' && h != NULL) + *h = delim; /* put back delim */ + } + } + return ruleset; +} +/* +** SETTIMEOUT -- set an individual timeout +** +** Parameters: +** name -- the name of the timeout. +** val -- the value of the timeout. +** sticky -- if set, don't let other setoptions override +** this value. +** +** Returns: +** none. +*/ + +/* set if Timeout sub-option is stuck */ +static BITMAP256 StickyTimeoutOpt; + +static struct timeoutinfo +{ + char *to_name; /* long name of timeout */ + unsigned char to_code; /* code for option */ +} TimeOutTab[] = +{ +#define TO_INITIAL 0x01 + { "initial", TO_INITIAL }, +#define TO_MAIL 0x02 + { "mail", TO_MAIL }, +#define TO_RCPT 0x03 + { "rcpt", TO_RCPT }, +#define TO_DATAINIT 0x04 + { "datainit", TO_DATAINIT }, +#define TO_DATABLOCK 0x05 + { "datablock", TO_DATABLOCK }, +#define TO_DATAFINAL 0x06 + { "datafinal", TO_DATAFINAL }, +#define TO_COMMAND 0x07 + { "command", TO_COMMAND }, +#define TO_RSET 0x08 + { "rset", TO_RSET }, +#define TO_HELO 0x09 + { "helo", TO_HELO }, +#define TO_QUIT 0x0A + { "quit", TO_QUIT }, +#define TO_MISC 0x0B + { "misc", TO_MISC }, +#define TO_IDENT 0x0C + { "ident", TO_IDENT }, +#define TO_FILEOPEN 0x0D + { "fileopen", TO_FILEOPEN }, +#define TO_CONNECT 0x0E + { "connect", TO_CONNECT }, +#define TO_ICONNECT 0x0F + { "iconnect", TO_ICONNECT }, +#define TO_QUEUEWARN 0x10 + { "queuewarn", TO_QUEUEWARN }, + { "queuewarn.*", TO_QUEUEWARN }, +#define TO_QUEUEWARN_NORMAL 0x11 + { "queuewarn.normal", TO_QUEUEWARN_NORMAL }, +#define TO_QUEUEWARN_URGENT 0x12 + { "queuewarn.urgent", TO_QUEUEWARN_URGENT }, +#define TO_QUEUEWARN_NON_URGENT 0x13 + { "queuewarn.non-urgent", TO_QUEUEWARN_NON_URGENT }, +#define TO_QUEUERETURN 0x14 + { "queuereturn", TO_QUEUERETURN }, + { "queuereturn.*", TO_QUEUERETURN }, +#define TO_QUEUERETURN_NORMAL 0x15 + { "queuereturn.normal", TO_QUEUERETURN_NORMAL }, +#define TO_QUEUERETURN_URGENT 0x16 + { "queuereturn.urgent", TO_QUEUERETURN_URGENT }, +#define TO_QUEUERETURN_NON_URGENT 0x17 + { "queuereturn.non-urgent", TO_QUEUERETURN_NON_URGENT }, +#define TO_HOSTSTATUS 0x18 + { "hoststatus", TO_HOSTSTATUS }, +#define TO_RESOLVER_RETRANS 0x19 + { "resolver.retrans", TO_RESOLVER_RETRANS }, +#define TO_RESOLVER_RETRANS_NORMAL 0x1A + { "resolver.retrans.normal", TO_RESOLVER_RETRANS_NORMAL }, +#define TO_RESOLVER_RETRANS_FIRST 0x1B + { "resolver.retrans.first", TO_RESOLVER_RETRANS_FIRST }, +#define TO_RESOLVER_RETRY 0x1C + { "resolver.retry", TO_RESOLVER_RETRY }, +#define TO_RESOLVER_RETRY_NORMAL 0x1D + { "resolver.retry.normal", TO_RESOLVER_RETRY_NORMAL }, +#define TO_RESOLVER_RETRY_FIRST 0x1E + { "resolver.retry.first", TO_RESOLVER_RETRY_FIRST }, +#define TO_CONTROL 0x1F + { "control", TO_CONTROL }, +#define TO_LHLO 0x20 + { "lhlo", TO_LHLO }, +#define TO_AUTH 0x21 + { "auth", TO_AUTH }, +#define TO_STARTTLS 0x22 + { "starttls", TO_STARTTLS }, +#define TO_ACONNECT 0x23 + { "aconnect", TO_ACONNECT }, +#define TO_QUEUEWARN_DSN 0x24 + { "queuewarn.dsn", TO_QUEUEWARN_DSN }, +#define TO_QUEUERETURN_DSN 0x25 + { "queuereturn.dsn", TO_QUEUERETURN_DSN }, + { NULL, 0 }, +}; + + +static void +settimeout(name, val, sticky) + char *name; + char *val; + bool sticky; +{ + register struct timeoutinfo *to; + int i, addopts; + time_t toval; + + if (tTd(37, 2)) + sm_dprintf("settimeout(%s = %s)", name, val); + + for (to = TimeOutTab; to->to_name != NULL; to++) + { + if (sm_strcasecmp(to->to_name, name) == 0) + break; + } + + if (to->to_name == NULL) + { + errno = 0; /* avoid bogus error text */ + syserr("settimeout: invalid timeout %s", name); + return; + } + + /* + ** See if this option is preset for us. + */ + + if (!sticky && bitnset(to->to_code, StickyTimeoutOpt)) + { + if (tTd(37, 2)) + sm_dprintf(" (ignored)\n"); + return; + } + + if (tTd(37, 2)) + sm_dprintf("\n"); + + toval = convtime(val, 'm'); + addopts = 0; + + switch (to->to_code) + { + case TO_INITIAL: + TimeOuts.to_initial = toval; + break; + + case TO_MAIL: + TimeOuts.to_mail = toval; + break; + + case TO_RCPT: + TimeOuts.to_rcpt = toval; + break; + + case TO_DATAINIT: + TimeOuts.to_datainit = toval; + break; + + case TO_DATABLOCK: + TimeOuts.to_datablock = toval; + break; + + case TO_DATAFINAL: + TimeOuts.to_datafinal = toval; + break; + + case TO_COMMAND: + TimeOuts.to_nextcommand = toval; + break; + + case TO_RSET: + TimeOuts.to_rset = toval; + break; + + case TO_HELO: + TimeOuts.to_helo = toval; + break; + + case TO_QUIT: + TimeOuts.to_quit = toval; + break; + + case TO_MISC: + TimeOuts.to_miscshort = toval; + break; + + case TO_IDENT: + TimeOuts.to_ident = toval; + break; + + case TO_FILEOPEN: + TimeOuts.to_fileopen = toval; + break; + + case TO_CONNECT: + TimeOuts.to_connect = toval; + break; + + case TO_ICONNECT: + TimeOuts.to_iconnect = toval; + break; + + case TO_ACONNECT: + TimeOuts.to_aconnect = toval; + break; + + case TO_QUEUEWARN: + toval = convtime(val, 'h'); + TimeOuts.to_q_warning[TOC_NORMAL] = toval; + TimeOuts.to_q_warning[TOC_URGENT] = toval; + TimeOuts.to_q_warning[TOC_NONURGENT] = toval; + TimeOuts.to_q_warning[TOC_DSN] = toval; + addopts = 2; + break; + + case TO_QUEUEWARN_NORMAL: + toval = convtime(val, 'h'); + TimeOuts.to_q_warning[TOC_NORMAL] = toval; + break; + + case TO_QUEUEWARN_URGENT: + toval = convtime(val, 'h'); + TimeOuts.to_q_warning[TOC_URGENT] = toval; + break; + + case TO_QUEUEWARN_NON_URGENT: + toval = convtime(val, 'h'); + TimeOuts.to_q_warning[TOC_NONURGENT] = toval; + break; + + case TO_QUEUEWARN_DSN: + toval = convtime(val, 'h'); + TimeOuts.to_q_warning[TOC_DSN] = toval; + break; + + case TO_QUEUERETURN: + toval = convtime(val, 'd'); + TimeOuts.to_q_return[TOC_NORMAL] = toval; + TimeOuts.to_q_return[TOC_URGENT] = toval; + TimeOuts.to_q_return[TOC_NONURGENT] = toval; + TimeOuts.to_q_return[TOC_DSN] = toval; + addopts = 2; + break; + + case TO_QUEUERETURN_NORMAL: + toval = convtime(val, 'd'); + TimeOuts.to_q_return[TOC_NORMAL] = toval; + break; + + case TO_QUEUERETURN_URGENT: + toval = convtime(val, 'd'); + TimeOuts.to_q_return[TOC_URGENT] = toval; + break; + + case TO_QUEUERETURN_NON_URGENT: + toval = convtime(val, 'd'); + TimeOuts.to_q_return[TOC_NONURGENT] = toval; + break; + + case TO_QUEUERETURN_DSN: + toval = convtime(val, 'd'); + TimeOuts.to_q_return[TOC_DSN] = toval; + break; + + case TO_HOSTSTATUS: + MciInfoTimeout = toval; + break; + + case TO_RESOLVER_RETRANS: + toval = convtime(val, 's'); + TimeOuts.res_retrans[RES_TO_DEFAULT] = toval; + TimeOuts.res_retrans[RES_TO_FIRST] = toval; + TimeOuts.res_retrans[RES_TO_NORMAL] = toval; + addopts = 2; + break; + + case TO_RESOLVER_RETRY: + i = atoi(val); + TimeOuts.res_retry[RES_TO_DEFAULT] = i; + TimeOuts.res_retry[RES_TO_FIRST] = i; + TimeOuts.res_retry[RES_TO_NORMAL] = i; + addopts = 2; + break; + + case TO_RESOLVER_RETRANS_NORMAL: + TimeOuts.res_retrans[RES_TO_NORMAL] = convtime(val, 's'); + break; + + case TO_RESOLVER_RETRY_NORMAL: + TimeOuts.res_retry[RES_TO_NORMAL] = atoi(val); + break; + + case TO_RESOLVER_RETRANS_FIRST: + TimeOuts.res_retrans[RES_TO_FIRST] = convtime(val, 's'); + break; + + case TO_RESOLVER_RETRY_FIRST: + TimeOuts.res_retry[RES_TO_FIRST] = atoi(val); + break; + + case TO_CONTROL: + TimeOuts.to_control = toval; + break; + + case TO_LHLO: + TimeOuts.to_lhlo = toval; + break; + +#if SASL + case TO_AUTH: + TimeOuts.to_auth = toval; + break; +#endif /* SASL */ + +#if STARTTLS + case TO_STARTTLS: + TimeOuts.to_starttls = toval; + break; +#endif /* STARTTLS */ + + default: + syserr("settimeout: invalid timeout %s", name); + break; + } + + if (sticky) + { + for (i = 0; i <= addopts; i++) + setbitn(to->to_code + i, StickyTimeoutOpt); + } +} +/* +** INITTIMEOUTS -- parse and set timeout values +** +** Parameters: +** val -- a pointer to the values. If NULL, do initial +** settings. +** sticky -- if set, don't let other setoptions override +** this suboption value. +** +** Returns: +** none. +** +** Side Effects: +** Initializes the TimeOuts structure +*/ + +void +inittimeouts(val, sticky) + register char *val; + bool sticky; +{ + register char *p; + + if (tTd(37, 2)) + sm_dprintf("inittimeouts(%s)\n", val == NULL ? "" : val); + if (val == NULL) + { + TimeOuts.to_connect = (time_t) 0 SECONDS; + TimeOuts.to_aconnect = (time_t) 0 SECONDS; + TimeOuts.to_iconnect = (time_t) 0 SECONDS; + TimeOuts.to_initial = (time_t) 5 MINUTES; + TimeOuts.to_helo = (time_t) 5 MINUTES; + TimeOuts.to_mail = (time_t) 10 MINUTES; + TimeOuts.to_rcpt = (time_t) 1 HOUR; + TimeOuts.to_datainit = (time_t) 5 MINUTES; + TimeOuts.to_datablock = (time_t) 1 HOUR; + TimeOuts.to_datafinal = (time_t) 1 HOUR; + TimeOuts.to_rset = (time_t) 5 MINUTES; + TimeOuts.to_quit = (time_t) 2 MINUTES; + TimeOuts.to_nextcommand = (time_t) 1 HOUR; + TimeOuts.to_miscshort = (time_t) 2 MINUTES; +#if IDENTPROTO + TimeOuts.to_ident = (time_t) 5 SECONDS; +#else /* IDENTPROTO */ + TimeOuts.to_ident = (time_t) 0 SECONDS; +#endif /* IDENTPROTO */ + TimeOuts.to_fileopen = (time_t) 60 SECONDS; + TimeOuts.to_control = (time_t) 2 MINUTES; + TimeOuts.to_lhlo = (time_t) 2 MINUTES; +#if SASL + TimeOuts.to_auth = (time_t) 10 MINUTES; +#endif /* SASL */ +#if STARTTLS + TimeOuts.to_starttls = (time_t) 1 HOUR; +#endif /* STARTTLS */ + if (tTd(37, 5)) + { + sm_dprintf("Timeouts:\n"); + sm_dprintf(" connect = %ld\n", + (long) TimeOuts.to_connect); + sm_dprintf(" aconnect = %ld\n", + (long) TimeOuts.to_aconnect); + sm_dprintf(" initial = %ld\n", + (long) TimeOuts.to_initial); + sm_dprintf(" helo = %ld\n", (long) TimeOuts.to_helo); + sm_dprintf(" mail = %ld\n", (long) TimeOuts.to_mail); + sm_dprintf(" rcpt = %ld\n", (long) TimeOuts.to_rcpt); + sm_dprintf(" datainit = %ld\n", + (long) TimeOuts.to_datainit); + sm_dprintf(" datablock = %ld\n", + (long) TimeOuts.to_datablock); + sm_dprintf(" datafinal = %ld\n", + (long) TimeOuts.to_datafinal); + sm_dprintf(" rset = %ld\n", (long) TimeOuts.to_rset); + sm_dprintf(" quit = %ld\n", (long) TimeOuts.to_quit); + sm_dprintf(" nextcommand = %ld\n", + (long) TimeOuts.to_nextcommand); + sm_dprintf(" miscshort = %ld\n", + (long) TimeOuts.to_miscshort); + sm_dprintf(" ident = %ld\n", (long) TimeOuts.to_ident); + sm_dprintf(" fileopen = %ld\n", + (long) TimeOuts.to_fileopen); + sm_dprintf(" lhlo = %ld\n", + (long) TimeOuts.to_lhlo); + sm_dprintf(" control = %ld\n", + (long) TimeOuts.to_control); + } + return; + } + + for (;; val = p) + { + while (isascii(*val) && isspace(*val)) + val++; + if (*val == '\0') + break; + for (p = val; *p != '\0' && *p != ','; p++) + continue; + if (*p != '\0') + *p++ = '\0'; + + if (isascii(*val) && isdigit(*val)) + { + /* old syntax -- set everything */ + TimeOuts.to_mail = convtime(val, 'm'); + TimeOuts.to_rcpt = TimeOuts.to_mail; + TimeOuts.to_datainit = TimeOuts.to_mail; + TimeOuts.to_datablock = TimeOuts.to_mail; + TimeOuts.to_datafinal = TimeOuts.to_mail; + TimeOuts.to_nextcommand = TimeOuts.to_mail; + if (sticky) + { + setbitn(TO_MAIL, StickyTimeoutOpt); + setbitn(TO_RCPT, StickyTimeoutOpt); + setbitn(TO_DATAINIT, StickyTimeoutOpt); + setbitn(TO_DATABLOCK, StickyTimeoutOpt); + setbitn(TO_DATAFINAL, StickyTimeoutOpt); + setbitn(TO_COMMAND, StickyTimeoutOpt); + } + continue; + } + else + { + register char *q = strchr(val, ':'); + + if (q == NULL && (q = strchr(val, '=')) == NULL) + { + /* syntax error */ + continue; + } + *q++ = '\0'; + settimeout(val, q, sticky); + } + } +} diff --git a/contrib/sendmail-8.13.4/sendmail/recipient.c b/contrib/sendmail-8.13.4/sendmail/recipient.c new file mode 100644 index 0000000000..d952a8b96a --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/recipient.c @@ -0,0 +1,2042 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: recipient.c,v 8.337 2004/08/03 19:57:23 ca Exp $") + +static void includetimeout __P((int)); +static ADDRESS *self_reference __P((ADDRESS *)); +static int sortexpensive __P((ADDRESS *, ADDRESS *)); +static int sortbysignature __P((ADDRESS *, ADDRESS *)); +static int sorthost __P((ADDRESS *, ADDRESS *)); + +typedef int sortfn_t __P((ADDRESS *, ADDRESS *)); + +/* +** SORTHOST -- strcmp()-like func for host portion of an ADDRESS +** +** Parameters: +** xx -- first ADDRESS +** yy -- second ADDRESS +** +** Returns: +** <0 when xx->q_host is less than yy->q_host +** >0 when xx->q_host is greater than yy->q_host +** 0 when equal +*/ + +static int +sorthost(xx, yy) + register ADDRESS *xx; + register ADDRESS *yy; +{ +#if _FFR_HOST_SORT_REVERSE + /* XXX maybe compare hostnames from the end? */ + return sm_strrevcasecmp(xx->q_host, yy->q_host); +#else /* _FFR_HOST_SORT_REVERSE */ + return sm_strcasecmp(xx->q_host, yy->q_host); +#endif /* _FFR_HOST_SORT_REVERSE */ +} + +/* +** SORTEXPENSIVE -- strcmp()-like func for expensive mailers +** +** The mailer has been noted already as "expensive" for 'xx'. This +** will give a result relative to 'yy'. Expensive mailers get rated +** "greater than" non-expensive mailers because during the delivery phase +** it will get queued -- no use it getting in the way of less expensive +** recipients. We avoid an MX RR lookup when both 'xx' and 'yy' are +** expensive since an MX RR lookup happens when extracted from the queue +** later. +** +** Parameters: +** xx -- first ADDRESS +** yy -- second ADDRESS +** +** Returns: +** <0 when xx->q_host is less than yy->q_host and both are +** expensive +** >0 when xx->q_host is greater than yy->q_host, or when +** 'yy' is non-expensive +** 0 when equal (by expense and q_host) +*/ + +static int +sortexpensive(xx, yy) + ADDRESS *xx; + ADDRESS *yy; +{ + if (!bitnset(M_EXPENSIVE, yy->q_mailer->m_flags)) + return 1; /* xx should go later */ +#if _FFR_HOST_SORT_REVERSE + /* XXX maybe compare hostnames from the end? */ + return sm_strrevcasecmp(xx->q_host, yy->q_host); +#else /* _FFR_HOST_SORT_REVERSE */ + return sm_strcasecmp(xx->q_host, yy->q_host); +#endif /* _FFR_HOST_SORT_REVERSE */ +} + +/* +** SORTBYSIGNATURE -- a strcmp()-like func for q_mailer and q_host in ADDRESS +** +** Parameters: +** xx -- first ADDRESS +** yy -- second ADDRESS +** +** Returns: +** 0 when the "signature"'s are same +** <0 when xx->q_signature is less than yy->q_signature +** >0 when xx->q_signature is greater than yy->q_signature +** +** Side Effect: +** May set ADDRESS pointer for q_signature if not already set. +*/ + +static int +sortbysignature(xx, yy) + ADDRESS *xx; + ADDRESS *yy; +{ + register int ret; + + /* Let's avoid redoing the signature over and over again */ + if (xx->q_signature == NULL) + xx->q_signature = hostsignature(xx->q_mailer, xx->q_host); + if (yy->q_signature == NULL) + yy->q_signature = hostsignature(yy->q_mailer, yy->q_host); + ret = strcmp(xx->q_signature, yy->q_signature); + + /* + ** If the two signatures are the same then we will return a sort + ** value based on 'q_user'. But note that we have reversed xx and yy + ** on purpose. This additional compare helps reduce the number of + ** sameaddr() calls and loops in recipient() for the case when + ** the rcpt list has been provided already in-order. + */ + + if (ret == 0) + return strcmp(yy->q_user, xx->q_user); + else + return ret; +} + +/* +** SENDTOLIST -- Designate a send list. +** +** The parameter is a comma-separated list of people to send to. +** This routine arranges to send to all of them. +** +** Parameters: +** list -- the send list. +** ctladdr -- the address template for the person to +** send to -- effective uid/gid are important. +** This is typically the alias that caused this +** expansion. +** sendq -- a pointer to the head of a queue to put +** these people into. +** aliaslevel -- the current alias nesting depth -- to +** diagnose loops. +** e -- the envelope in which to add these recipients. +** +** Returns: +** The number of addresses actually on the list. +*/ + +/* q_flags bits inherited from ctladdr */ +#define QINHERITEDBITS (QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY|QHASNOTIFY) + +int +sendtolist(list, ctladdr, sendq, aliaslevel, e) + char *list; + ADDRESS *ctladdr; + ADDRESS **sendq; + int aliaslevel; + register ENVELOPE *e; +{ + register char *p; + register ADDRESS *SM_NONVOLATILE al; /* list of addresses to send to */ + SM_NONVOLATILE char delimiter; /* the address delimiter */ + SM_NONVOLATILE int naddrs; + SM_NONVOLATILE int i; + char *endp; + char *oldto = e->e_to; + char *SM_NONVOLATILE bufp; + char buf[MAXNAME + 1]; + + if (list == NULL) + { + syserr("sendtolist: null list"); + return 0; + } + + if (tTd(25, 1)) + { + sm_dprintf("sendto: %s\n ctladdr=", list); + printaddr(sm_debug_file(), ctladdr, false); + } + + /* heuristic to determine old versus new style addresses */ + if (ctladdr == NULL && + (strchr(list, ',') != NULL || strchr(list, ';') != NULL || + strchr(list, '<') != NULL || strchr(list, '(') != NULL)) + e->e_flags &= ~EF_OLDSTYLE; + delimiter = ' '; + if (!bitset(EF_OLDSTYLE, e->e_flags) || ctladdr != NULL) + delimiter = ','; + + al = NULL; + naddrs = 0; + + /* make sure we have enough space to copy the string */ + i = strlen(list) + 1; + if (i <= sizeof buf) + { + bufp = buf; + i = sizeof buf; + } + else + bufp = sm_malloc_x(i); + endp = bufp + i; + + SM_TRY + { + (void) sm_strlcpy(bufp, denlstring(list, false, true), i); + + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e r"); + for (p = bufp; *p != '\0'; ) + { + auto char *delimptr; + register ADDRESS *a; + + SM_ASSERT(p < endp); + + /* parse the address */ + while ((isascii(*p) && isspace(*p)) || *p == ',') + p++; + SM_ASSERT(p < endp); + a = parseaddr(p, NULLADDR, RF_COPYALL, delimiter, + &delimptr, e, true); + p = delimptr; + SM_ASSERT(p < endp); + if (a == NULL) + continue; + a->q_next = al; + a->q_alias = ctladdr; + + /* arrange to inherit attributes from parent */ + if (ctladdr != NULL) + { + ADDRESS *b; + + /* self reference test */ + if (sameaddr(ctladdr, a)) + { + if (tTd(27, 5)) + { + sm_dprintf("sendtolist: QSELFREF "); + printaddr(sm_debug_file(), ctladdr, false); + } + ctladdr->q_flags |= QSELFREF; + } + + /* check for address loops */ + b = self_reference(a); + if (b != NULL) + { + b->q_flags |= QSELFREF; + if (tTd(27, 5)) + { + sm_dprintf("sendtolist: QSELFREF "); + printaddr(sm_debug_file(), b, false); + } + if (a != b) + { + if (tTd(27, 5)) + { + sm_dprintf("sendtolist: QS_DONTSEND "); + printaddr(sm_debug_file(), a, false); + } + a->q_state = QS_DONTSEND; + b->q_flags |= a->q_flags & QNOTREMOTE; + continue; + } + } + + /* full name */ + if (a->q_fullname == NULL) + a->q_fullname = ctladdr->q_fullname; + + /* various flag bits */ + a->q_flags &= ~QINHERITEDBITS; + a->q_flags |= ctladdr->q_flags & QINHERITEDBITS; + + /* DSN recipient information */ + a->q_finalrcpt = ctladdr->q_finalrcpt; + a->q_orcpt = ctladdr->q_orcpt; + } + + al = a; + } + + /* arrange to send to everyone on the local send list */ + while (al != NULL) + { + register ADDRESS *a = al; + + al = a->q_next; + a = recipient(a, sendq, aliaslevel, e); + naddrs++; + } + } + SM_FINALLY + { + e->e_to = oldto; + if (bufp != buf) + sm_free(bufp); + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL); + } + SM_END_TRY + return naddrs; +} +#if MILTER +/* +** REMOVEFROMLIST -- Remove addresses from a send list. +** +** The parameter is a comma-separated list of recipients to remove. +** Note that it only deletes matching addresses. If those addresses +** have been expanded already in the sendq, it won't mark the +** expanded recipients as QS_REMOVED. +** +** Parameters: +** list -- the list to remove. +** sendq -- a pointer to the head of a queue to remove +** these addresses from. +** e -- the envelope in which to remove these recipients. +** +** Returns: +** The number of addresses removed from the list. +** +*/ + +int +removefromlist(list, sendq, e) + char *list; + ADDRESS **sendq; + ENVELOPE *e; +{ + SM_NONVOLATILE char delimiter; /* the address delimiter */ + SM_NONVOLATILE int naddrs; + SM_NONVOLATILE int i; + char *p; + char *oldto = e->e_to; + char *SM_NONVOLATILE bufp; + char buf[MAXNAME + 1]; + + if (list == NULL) + { + syserr("removefromlist: null list"); + return 0; + } + + if (tTd(25, 1)) + sm_dprintf("removefromlist: %s\n", list); + + /* heuristic to determine old versus new style addresses */ + if (strchr(list, ',') != NULL || strchr(list, ';') != NULL || + strchr(list, '<') != NULL || strchr(list, '(') != NULL) + e->e_flags &= ~EF_OLDSTYLE; + delimiter = ' '; + if (!bitset(EF_OLDSTYLE, e->e_flags)) + delimiter = ','; + + naddrs = 0; + + /* make sure we have enough space to copy the string */ + i = strlen(list) + 1; + if (i <= sizeof buf) + { + bufp = buf; + i = sizeof buf; + } + else + bufp = sm_malloc_x(i); + + SM_TRY + { + (void) sm_strlcpy(bufp, denlstring(list, false, true), i); + + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e r"); + for (p = bufp; *p != '\0'; ) + { + ADDRESS a; /* parsed address to be removed */ + ADDRESS *q; + ADDRESS **pq; + char *delimptr; + + /* parse the address */ + while ((isascii(*p) && isspace(*p)) || *p == ',') + p++; + if (parseaddr(p, &a, RF_COPYALL, + delimiter, &delimptr, e, true) == NULL) + { + p = delimptr; + continue; + } + p = delimptr; + for (pq = sendq; (q = *pq) != NULL; pq = &q->q_next) + { + if (!QS_IS_DEAD(q->q_state) && + (sameaddr(q, &a) || + strcmp(q->q_paddr, a.q_paddr) == 0)) + { + if (tTd(25, 5)) + { + sm_dprintf("removefromlist: QS_REMOVED "); + printaddr(sm_debug_file(), &a, false); + } + q->q_state = QS_REMOVED; + naddrs++; + break; + } + } + } + } + SM_FINALLY + { + e->e_to = oldto; + if (bufp != buf) + sm_free(bufp); + macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL); + } + SM_END_TRY + return naddrs; +} +#endif /* MILTER */ +/* +** RECIPIENT -- Designate a message recipient +** +** Saves the named person for future mailing. +** +** Parameters: +** new -- the (preparsed) address header for the recipient. +** sendq -- a pointer to the head of a queue to put the +** recipient in. Duplicate suppression is done +** in this queue. +** aliaslevel -- the current alias nesting depth. +** e -- the current envelope. +** +** Returns: +** The actual address in the queue. This will be "a" if +** the address is not a duplicate, else the original address. +** +*/ + +ADDRESS * +recipient(new, sendq, aliaslevel, e) + register ADDRESS *new; + register ADDRESS **sendq; + int aliaslevel; + register ENVELOPE *e; +{ + register ADDRESS *q; + ADDRESS **pq; + ADDRESS **prev; + register struct mailer *m; + register char *p; + int i, buflen; + bool quoted; /* set if the addr has a quote bit */ + bool insert; + int findusercount; + bool initialdontsend; + char *buf; + char buf0[MAXNAME + 1]; /* unquoted image of the user name */ + sortfn_t *sortfn; + + p = NULL; + quoted = false; + insert = false; + findusercount = 0; + initialdontsend = QS_IS_DEAD(new->q_state); + e->e_to = new->q_paddr; + m = new->q_mailer; + errno = 0; + if (aliaslevel == 0) + new->q_flags |= QPRIMARY; + if (tTd(26, 1)) + { + sm_dprintf("\nrecipient (%d): ", aliaslevel); + printaddr(sm_debug_file(), new, false); + } + + /* if this is primary, use it as original recipient */ + if (new->q_alias == NULL) + { + if (e->e_origrcpt == NULL) + e->e_origrcpt = new->q_paddr; + else if (e->e_origrcpt != new->q_paddr) + e->e_origrcpt = ""; + } + + /* find parent recipient for finalrcpt and orcpt */ + for (q = new; q->q_alias != NULL; q = q->q_alias) + continue; + + /* find final recipient DSN address */ + if (new->q_finalrcpt == NULL && + e->e_from.q_mailer != NULL) + { + char frbuf[MAXLINE]; + + p = e->e_from.q_mailer->m_addrtype; + if (p == NULL) + p = "rfc822"; + if (sm_strcasecmp(p, "rfc822") != 0) + { + (void) sm_snprintf(frbuf, sizeof frbuf, "%s; %.800s", + q->q_mailer->m_addrtype, + q->q_user); + } + else if (strchr(q->q_user, '@') != NULL) + { + (void) sm_snprintf(frbuf, sizeof frbuf, "%s; %.800s", + p, q->q_user); + } + else if (strchr(q->q_paddr, '@') != NULL) + { + char *qp; + bool b; + + qp = q->q_paddr; + + /* strip brackets from address */ + b = false; + if (*qp == '<') + { + b = qp[strlen(qp) - 1] == '>'; + if (b) + qp[strlen(qp) - 1] = '\0'; + qp++; + } + (void) sm_snprintf(frbuf, sizeof frbuf, "%s; %.800s", + p, qp); + + /* undo damage */ + if (b) + qp[strlen(qp)] = '>'; + } + else + { + (void) sm_snprintf(frbuf, sizeof frbuf, + "%s; %.700s@%.100s", + p, q->q_user, MyHostName); + } + new->q_finalrcpt = sm_rpool_strdup_x(e->e_rpool, frbuf); + } + +#if _FFR_GEN_ORCPT + /* set ORCPT DSN arg if not already set */ + if (new->q_orcpt == NULL) + { + /* check for an existing ORCPT */ + if (q->q_orcpt != NULL) + new->q_orcpt = q->q_orcpt; + else + { + /* make our own */ + bool b = false; + char *qp; + char obuf[MAXLINE]; + + if (e->e_from.q_mailer != NULL) + p = e->e_from.q_mailer->m_addrtype; + if (p == NULL) + p = "rfc822"; + (void) sm_strlcpyn(obuf, sizeof obuf, 2, p, ";"); + + qp = q->q_paddr; + + /* FFR: Needs to strip comments from stdin addrs */ + + /* strip brackets from address */ + if (*qp == '<') + { + b = qp[strlen(qp) - 1] == '>'; + if (b) + qp[strlen(qp) - 1] = '\0'; + qp++; + } + + p = xtextify(denlstring(qp, true, false), NULL); + + if (sm_strlcat(obuf, p, sizeof obuf) >= sizeof obuf) + { + /* if too big, don't use it */ + obuf[0] = '\0'; + } + + /* undo damage */ + if (b) + qp[strlen(qp)] = '>'; + + if (obuf[0] != '\0') + new->q_orcpt = + sm_rpool_strdup_x(e->e_rpool, obuf); + } + } +#endif /* _FFR_GEN_ORCPT */ + + /* break aliasing loops */ + if (aliaslevel > MaxAliasRecursion) + { + new->q_state = QS_BADADDR; + new->q_status = "5.4.6"; + usrerrenh(new->q_status, + "554 aliasing/forwarding loop broken (%d aliases deep; %d max)", + aliaslevel, MaxAliasRecursion); + return new; + } + + /* + ** Finish setting up address structure. + */ + + /* get unquoted user for file, program or user.name check */ + i = strlen(new->q_user); + if (i >= sizeof buf0) + { + buflen = i + 1; + buf = xalloc(buflen); + } + else + { + buf = buf0; + buflen = sizeof buf0; + } + (void) sm_strlcpy(buf, new->q_user, buflen); + for (p = buf; *p != '\0' && !quoted; p++) + { + if (*p == '\\') + quoted = true; + } + stripquotes(buf); + + /* check for direct mailing to restricted mailers */ + if (m == ProgMailer) + { + if (new->q_alias == NULL || UseMSP || + bitset(EF_UNSAFE, e->e_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + usrerrenh(new->q_status, + "550 Cannot mail directly to programs"); + } + else if (bitset(QBOGUSSHELL, new->q_alias->q_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + if (new->q_alias->q_ruser == NULL) + usrerrenh(new->q_status, + "550 UID %d is an unknown user: cannot mail to programs", + new->q_alias->q_uid); + else + usrerrenh(new->q_status, + "550 User %s@%s doesn't have a valid shell for mailing to programs", + new->q_alias->q_ruser, MyHostName); + } + else if (bitset(QUNSAFEADDR, new->q_alias->q_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + new->q_rstatus = "550 Unsafe for mailing to programs"; + usrerrenh(new->q_status, + "550 Address %s is unsafe for mailing to programs", + new->q_alias->q_paddr); + } + } + + /* + ** Look up this person in the recipient list. + ** If they are there already, return, otherwise continue. + ** If the list is empty, just add it. Notice the cute + ** hack to make from addresses suppress things correctly: + ** the QS_DUPLICATE state will be set in the send list. + ** [Please note: the emphasis is on "hack."] + */ + + prev = NULL; + + /* + ** If this message is going to the queue or FastSplit is set + ** and it is the first try and the envelope hasn't split, then we + ** avoid doing an MX RR lookup now because one will be done when the + ** message is extracted from the queue later. It can go to the queue + ** because all messages are going to the queue or this mailer of + ** the current recipient is marked expensive. + */ + + if (UseMSP || WILL_BE_QUEUED(e->e_sendmode) || + (!bitset(EF_SPLIT, e->e_flags) && e->e_ntries == 0 && + FastSplit > 0)) + sortfn = sorthost; + else if (NoConnect && bitnset(M_EXPENSIVE, new->q_mailer->m_flags)) + sortfn = sortexpensive; + else + sortfn = sortbysignature; + + for (pq = sendq; (q = *pq) != NULL; pq = &q->q_next) + { + /* + ** If address is "less than" it should be inserted now. + ** If address is "greater than" current comparison it'll + ** insert later in the list; so loop again (if possible). + ** If address is "equal" (different equal than sameaddr() + ** call) then check if sameaddr() will be true. + ** Because this list is now sorted, it'll mean fewer + ** comparisons and fewer loops which is important for more + ** recipients. + */ + + i = (*sortfn)(new, q); + if (i == 0) /* equal */ + { + /* + ** Sortbysignature() has said that the two have + ** equal MX RR's and the same user. Calling sameaddr() + ** now checks if the two hosts are as identical as the + ** MX RR's are (which might not be the case) + ** before saying these are the identical addresses. + */ + + if (sameaddr(q, new) && + (bitset(QRCPTOK, q->q_flags) || + !bitset(QPRIMARY, q->q_flags))) + { + if (tTd(26, 1)) + { + sm_dprintf("%s in sendq: ", + new->q_paddr); + printaddr(sm_debug_file(), q, false); + } + if (!bitset(QPRIMARY, q->q_flags)) + { + if (!QS_IS_DEAD(new->q_state)) + message("duplicate suppressed"); + else + q->q_state = QS_DUPLICATE; + q->q_flags |= new->q_flags; + } + else if (bitset(QSELFREF, q->q_flags) + || q->q_state == QS_REMOVED) + { + /* + ** If an earlier milter removed the + ** address, a later one can still add + ** it back. + */ + + q->q_state = new->q_state; + q->q_flags |= new->q_flags; + } + new = q; + goto done; + } + } + else if (i < 0) /* less than */ + { + insert = true; + break; + } + prev = pq; + } + + /* pq should point to an address, never NULL */ + SM_ASSERT(pq != NULL); + + /* add address on list */ + if (insert) + { + /* + ** insert before 'pq'. Only possible when at least 1 + ** ADDRESS is in the list already. + */ + + new->q_next = *pq; + if (prev == NULL) + *sendq = new; /* To be the first ADDRESS */ + else + (*prev)->q_next = new; + } + else + { + /* + ** Place in list at current 'pq' position. Possible + ** when there are 0 or more ADDRESS's in the list. + */ + + new->q_next = NULL; + *pq = new; + } + + /* added a new address: clear split flag */ + e->e_flags &= ~EF_SPLIT; + + /* + ** Alias the name and handle special mailer types. + */ + + trylocaluser: + if (tTd(29, 7)) + { + sm_dprintf("at trylocaluser: "); + printaddr(sm_debug_file(), new, false); + } + + if (!QS_IS_OK(new->q_state)) + { + if (QS_IS_UNDELIVERED(new->q_state)) + e->e_nrcpts++; + goto testselfdestruct; + } + + if (m == InclMailer) + { + new->q_state = QS_INCLUDED; + if (new->q_alias == NULL || UseMSP || + bitset(EF_UNSAFE, e->e_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + usrerrenh(new->q_status, + "550 Cannot mail directly to :include:s"); + } + else + { + int ret; + + message("including file %s", new->q_user); + ret = include(new->q_user, false, new, + sendq, aliaslevel, e); + if (transienterror(ret)) + { + if (LogLevel > 2) + sm_syslog(LOG_ERR, e->e_id, + "include %s: transient error: %s", + shortenstring(new->q_user, + MAXSHORTSTR), + sm_errstring(ret)); + new->q_state = QS_QUEUEUP; + usrerr("451 4.2.4 Cannot open %s: %s", + shortenstring(new->q_user, + MAXSHORTSTR), + sm_errstring(ret)); + } + else if (ret != 0) + { + new->q_state = QS_BADADDR; + new->q_status = "5.2.4"; + usrerrenh(new->q_status, + "550 Cannot open %s: %s", + shortenstring(new->q_user, + MAXSHORTSTR), + sm_errstring(ret)); + } + } + } + else if (m == FileMailer) + { + /* check if allowed */ + if (new->q_alias == NULL || UseMSP || + bitset(EF_UNSAFE, e->e_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + usrerrenh(new->q_status, + "550 Cannot mail directly to files"); + } + else if (bitset(QBOGUSSHELL, new->q_alias->q_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + if (new->q_alias->q_ruser == NULL) + usrerrenh(new->q_status, + "550 UID %d is an unknown user: cannot mail to files", + new->q_alias->q_uid); + else + usrerrenh(new->q_status, + "550 User %s@%s doesn't have a valid shell for mailing to files", + new->q_alias->q_ruser, MyHostName); + } + else if (bitset(QUNSAFEADDR, new->q_alias->q_flags)) + { + new->q_state = QS_BADADDR; + new->q_status = "5.7.1"; + new->q_rstatus = "550 Unsafe for mailing to files"; + usrerrenh(new->q_status, + "550 Address %s is unsafe for mailing to files", + new->q_alias->q_paddr); + } + } + + /* try aliasing */ + if (!quoted && QS_IS_OK(new->q_state) && + bitnset(M_ALIASABLE, m->m_flags)) + alias(new, sendq, aliaslevel, e); + +#if USERDB + /* if not aliased, look it up in the user database */ + if (!bitset(QNOTREMOTE, new->q_flags) && + QS_IS_SENDABLE(new->q_state) && + bitnset(M_CHECKUDB, m->m_flags)) + { + if (udbexpand(new, sendq, aliaslevel, e) == EX_TEMPFAIL) + { + new->q_state = QS_QUEUEUP; + if (e->e_message == NULL) + e->e_message = "Deferred: user database error"; + if (new->q_message == NULL) + new->q_message = "Deferred: user database error"; + if (LogLevel > 8) + sm_syslog(LOG_INFO, e->e_id, + "deferred: udbexpand: %s", + sm_errstring(errno)); + message("queued (user database error): %s", + sm_errstring(errno)); + e->e_nrcpts++; + goto testselfdestruct; + } + } +#endif /* USERDB */ + + /* + ** If we have a level two config file, then pass the name through + ** Ruleset 5 before sending it off. Ruleset 5 has the right + ** to rewrite it to another mailer. This gives us a hook + ** after local aliasing has been done. + */ + + if (tTd(29, 5)) + { + sm_dprintf("recipient: testing local? cl=%d, rr5=%p\n\t", + ConfigLevel, RewriteRules[5]); + printaddr(sm_debug_file(), new, false); + } + if (ConfigLevel >= 2 && RewriteRules[5] != NULL && + bitnset(M_TRYRULESET5, m->m_flags) && + !bitset(QNOTREMOTE, new->q_flags) && + QS_IS_OK(new->q_state)) + { + maplocaluser(new, sendq, aliaslevel + 1, e); + } + + /* + ** If it didn't get rewritten to another mailer, go ahead + ** and deliver it. + */ + + if (QS_IS_OK(new->q_state) && + bitnset(M_HASPWENT, m->m_flags)) + { + auto bool fuzzy; + SM_MBDB_T user; + int status; + + /* warning -- finduser may trash buf */ + status = finduser(buf, &fuzzy, &user); + switch (status) + { + case EX_TEMPFAIL: + new->q_state = QS_QUEUEUP; + new->q_status = "4.5.2"; + giveresponse(EX_TEMPFAIL, new->q_status, m, NULL, + new->q_alias, (time_t) 0, e, new); + break; + default: + new->q_state = QS_BADADDR; + new->q_status = "5.1.1"; + new->q_rstatus = "550 5.1.1 User unknown"; + giveresponse(EX_NOUSER, new->q_status, m, NULL, + new->q_alias, (time_t) 0, e, new); + break; + case EX_OK: + if (fuzzy) + { + /* name was a fuzzy match */ + new->q_user = sm_rpool_strdup_x(e->e_rpool, + user.mbdb_name); + if (findusercount++ > 3) + { + new->q_state = QS_BADADDR; + new->q_status = "5.4.6"; + usrerrenh(new->q_status, + "554 aliasing/forwarding loop for %s broken", + user.mbdb_name); + goto done; + } + + /* see if it aliases */ + (void) sm_strlcpy(buf, user.mbdb_name, buflen); + goto trylocaluser; + } + if (*user.mbdb_homedir == '\0') + new->q_home = NULL; + else if (strcmp(user.mbdb_homedir, "/") == 0) + new->q_home = ""; + else + new->q_home = sm_rpool_strdup_x(e->e_rpool, + user.mbdb_homedir); + if (user.mbdb_uid != SM_NO_UID) + { + new->q_uid = user.mbdb_uid; + new->q_gid = user.mbdb_gid; + new->q_flags |= QGOODUID; + } + new->q_ruser = sm_rpool_strdup_x(e->e_rpool, + user.mbdb_name); + if (user.mbdb_fullname[0] != '\0') + new->q_fullname = sm_rpool_strdup_x(e->e_rpool, + user.mbdb_fullname); + if (!usershellok(user.mbdb_name, user.mbdb_shell)) + { + new->q_flags |= QBOGUSSHELL; + } + if (bitset(EF_VRFYONLY, e->e_flags)) + { + /* don't do any more now */ + new->q_state = QS_VERIFIED; + } + else if (!quoted) + forward(new, sendq, aliaslevel, e); + } + } + if (!QS_IS_DEAD(new->q_state)) + e->e_nrcpts++; + + testselfdestruct: + new->q_flags |= QTHISPASS; + if (tTd(26, 8)) + { + sm_dprintf("testselfdestruct: "); + printaddr(sm_debug_file(), new, false); + if (tTd(26, 10)) + { + sm_dprintf("SENDQ:\n"); + printaddr(sm_debug_file(), *sendq, true); + sm_dprintf("----\n"); + } + } + if (new->q_alias == NULL && new != &e->e_from && + QS_IS_DEAD(new->q_state)) + { + for (q = *sendq; q != NULL; q = q->q_next) + { + if (!QS_IS_DEAD(q->q_state)) + break; + } + if (q == NULL) + { + new->q_state = QS_BADADDR; + new->q_status = "5.4.6"; + usrerrenh(new->q_status, + "554 aliasing/forwarding loop broken"); + } + } + + done: + new->q_flags |= QTHISPASS; + if (buf != buf0) + sm_free(buf); /* XXX leak if above code raises exception */ + + /* + ** If we are at the top level, check to see if this has + ** expanded to exactly one address. If so, it can inherit + ** the primaryness of the address. + ** + ** While we're at it, clear the QTHISPASS bits. + */ + + if (aliaslevel == 0) + { + int nrcpts = 0; + ADDRESS *only = NULL; + + for (q = *sendq; q != NULL; q = q->q_next) + { + if (bitset(QTHISPASS, q->q_flags) && + QS_IS_SENDABLE(q->q_state)) + { + nrcpts++; + only = q; + } + q->q_flags &= ~QTHISPASS; + } + if (nrcpts == 1) + { + /* check to see if this actually got a new owner */ + q = only; + while ((q = q->q_alias) != NULL) + { + if (q->q_owner != NULL) + break; + } + if (q == NULL) + only->q_flags |= QPRIMARY; + } + else if (!initialdontsend && nrcpts > 0) + { + /* arrange for return receipt */ + e->e_flags |= EF_SENDRECEIPT; + new->q_flags |= QEXPANDED; + if (e->e_xfp != NULL && + bitset(QPINGONSUCCESS, new->q_flags)) + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "%s... expanded to multiple addresses\n", + new->q_paddr); + } + } + new->q_flags |= QRCPTOK; + (void) sm_snprintf(buf0, sizeof buf0, "%d", e->e_nrcpts); + macdefine(&e->e_macro, A_TEMP, macid("{nrcpts}"), buf0); + return new; +} +/* +** FINDUSER -- find the password entry for a user. +** +** This looks a lot like getpwnam, except that it may want to +** do some fancier pattern matching in /etc/passwd. +** +** This routine contains most of the time of many sendmail runs. +** It deserves to be optimized. +** +** Parameters: +** name -- the name to match against. +** fuzzyp -- an outarg that is set to true if this entry +** was found using the fuzzy matching algorithm; +** set to false otherwise. +** user -- structure to fill in if user is found +** +** Returns: +** On success, fill in *user, set *fuzzyp and return EX_OK. +** If the user was not found, return EX_NOUSER. +** On error, return EX_TEMPFAIL or EX_OSERR. +** +** Side Effects: +** may modify name. +*/ + +int +finduser(name, fuzzyp, user) + char *name; + bool *fuzzyp; + SM_MBDB_T *user; +{ +#if MATCHGECOS + register struct passwd *pw; +#endif /* MATCHGECOS */ + register char *p; + bool tryagain; + int status; + + if (tTd(29, 4)) + sm_dprintf("finduser(%s): ", name); + + *fuzzyp = false; + +#if HESIOD + /* DEC Hesiod getpwnam accepts numeric strings -- short circuit it */ + for (p = name; *p != '\0'; p++) + if (!isascii(*p) || !isdigit(*p)) + break; + if (*p == '\0') + { + if (tTd(29, 4)) + sm_dprintf("failed (numeric input)\n"); + return EX_NOUSER; + } +#endif /* HESIOD */ + + /* look up this login name using fast path */ + status = sm_mbdb_lookup(name, user); + if (status != EX_NOUSER) + { + if (tTd(29, 4)) + sm_dprintf("%s (non-fuzzy)\n", sm_strexit(status)); + return status; + } + + /* try mapping it to lower case */ + tryagain = false; + for (p = name; *p != '\0'; p++) + { + if (isascii(*p) && isupper(*p)) + { + *p = tolower(*p); + tryagain = true; + } + } + if (tryagain && (status = sm_mbdb_lookup(name, user)) != EX_NOUSER) + { + if (tTd(29, 4)) + sm_dprintf("%s (lower case)\n", sm_strexit(status)); + *fuzzyp = true; + return status; + } + +#if MATCHGECOS + /* see if fuzzy matching allowed */ + if (!MatchGecos) + { + if (tTd(29, 4)) + sm_dprintf("not found (fuzzy disabled)\n"); + return EX_NOUSER; + } + + /* search for a matching full name instead */ + for (p = name; *p != '\0'; p++) + { + if (*p == (SpaceSub & 0177) || *p == '_') + *p = ' '; + } + (void) setpwent(); + while ((pw = getpwent()) != NULL) + { + char buf[MAXNAME + 1]; + +# if 0 + if (sm_strcasecmp(pw->pw_name, name) == 0) + { + if (tTd(29, 4)) + sm_dprintf("found (case wrapped)\n"); + break; + } +# endif /* 0 */ + + sm_pwfullname(pw->pw_gecos, pw->pw_name, buf, sizeof buf); + if (strchr(buf, ' ') != NULL && sm_strcasecmp(buf, name) == 0) + { + if (tTd(29, 4)) + sm_dprintf("fuzzy matches %s\n", pw->pw_name); + message("sending to login name %s", pw->pw_name); + break; + } + } + if (pw != NULL) + *fuzzyp = true; + else if (tTd(29, 4)) + sm_dprintf("no fuzzy match found\n"); +# if DEC_OSF_BROKEN_GETPWENT /* DEC OSF/1 3.2 or earlier */ + endpwent(); +# endif /* DEC_OSF_BROKEN_GETPWENT */ + if (pw == NULL) + return EX_NOUSER; + sm_mbdb_frompw(user, pw); + return EX_OK; +#else /* MATCHGECOS */ + if (tTd(29, 4)) + sm_dprintf("not found (fuzzy disabled)\n"); + return EX_NOUSER; +#endif /* MATCHGECOS */ +} +/* +** WRITABLE -- predicate returning if the file is writable. +** +** This routine must duplicate the algorithm in sys/fio.c. +** Unfortunately, we cannot use the access call since we +** won't necessarily be the real uid when we try to +** actually open the file. +** +** Notice that ANY file with ANY execute bit is automatically +** not writable. This is also enforced by mailfile. +** +** Parameters: +** filename -- the file name to check. +** ctladdr -- the controlling address for this file. +** flags -- SFF_* flags to control the function. +** +** Returns: +** true -- if we will be able to write this file. +** false -- if we cannot write this file. +** +** Side Effects: +** none. +*/ + +bool +writable(filename, ctladdr, flags) + char *filename; + ADDRESS *ctladdr; + long flags; +{ + uid_t euid = 0; + gid_t egid = 0; + char *user = NULL; + + if (tTd(44, 5)) + sm_dprintf("writable(%s, 0x%lx)\n", filename, flags); + + /* + ** File does exist -- check that it is writable. + */ + + if (geteuid() != 0) + { + euid = geteuid(); + egid = getegid(); + user = NULL; + } + else if (ctladdr != NULL) + { + euid = ctladdr->q_uid; + egid = ctladdr->q_gid; + user = ctladdr->q_user; + } + else if (bitset(SFF_RUNASREALUID, flags)) + { + euid = RealUid; + egid = RealGid; + user = RealUserName; + } + else if (FileMailer != NULL && !bitset(SFF_ROOTOK, flags)) + { + if (FileMailer->m_uid == NO_UID) + { + euid = DefUid; + user = DefUser; + } + else + { + euid = FileMailer->m_uid; + user = NULL; + } + if (FileMailer->m_gid == NO_GID) + egid = DefGid; + else + egid = FileMailer->m_gid; + } + else + { + euid = egid = 0; + user = NULL; + } + if (!bitset(SFF_ROOTOK, flags)) + { + if (euid == 0) + { + euid = DefUid; + user = DefUser; + } + if (egid == 0) + egid = DefGid; + } + if (geteuid() == 0 && + (ctladdr == NULL || !bitset(QGOODUID, ctladdr->q_flags))) + flags |= SFF_SETUIDOK; + + if (!bitnset(DBS_FILEDELIVERYTOSYMLINK, DontBlameSendmail)) + flags |= SFF_NOSLINK; + if (!bitnset(DBS_FILEDELIVERYTOHARDLINK, DontBlameSendmail)) + flags |= SFF_NOHLINK; + + errno = safefile(filename, euid, egid, user, flags, S_IWRITE, NULL); + return errno == 0; +} +/* +** INCLUDE -- handle :include: specification. +** +** Parameters: +** fname -- filename to include. +** forwarding -- if true, we are reading a .forward file. +** if false, it's a :include: file. +** ctladdr -- address template to use to fill in these +** addresses -- effective user/group id are +** the important things. +** sendq -- a pointer to the head of the send queue +** to put these addresses in. +** aliaslevel -- the alias nesting depth. +** e -- the current envelope. +** +** Returns: +** open error status +** +** Side Effects: +** reads the :include: file and sends to everyone +** listed in that file. +** +** Security Note: +** If you have restricted chown (that is, you can't +** give a file away), it is reasonable to allow programs +** and files called from this :include: file to be to be +** run as the owner of the :include: file. This is bogus +** if there is any chance of someone giving away a file. +** We assume that pre-POSIX systems can give away files. +** +** There is an additional restriction that if you +** forward to a :include: file, it will not take on +** the ownership of the :include: file. This may not +** be necessary, but shouldn't hurt. +*/ + +static jmp_buf CtxIncludeTimeout; + +int +include(fname, forwarding, ctladdr, sendq, aliaslevel, e) + char *fname; + bool forwarding; + ADDRESS *ctladdr; + ADDRESS **sendq; + int aliaslevel; + ENVELOPE *e; +{ + SM_FILE_T *volatile fp = NULL; + char *oldto = e->e_to; + char *oldfilename = FileName; + int oldlinenumber = LineNumber; + register SM_EVENT *ev = NULL; + int nincludes; + int mode; + volatile bool maxreached = false; + register ADDRESS *ca; + volatile uid_t saveduid; + volatile gid_t savedgid; + volatile uid_t uid; + volatile gid_t gid; + char *volatile user; + int rval = 0; + volatile long sfflags = SFF_REGONLY; + register char *p; + bool safechown = false; + volatile bool safedir = false; + struct stat st; + char buf[MAXLINE]; + + if (tTd(27, 2)) + sm_dprintf("include(%s)\n", fname); + if (tTd(27, 4)) + sm_dprintf(" ruid=%d euid=%d\n", + (int) getuid(), (int) geteuid()); + if (tTd(27, 14)) + { + sm_dprintf("ctladdr "); + printaddr(sm_debug_file(), ctladdr, false); + } + + if (tTd(27, 9)) + sm_dprintf("include: old uid = %d/%d\n", + (int) getuid(), (int) geteuid()); + + if (forwarding) + { + sfflags |= SFF_MUSTOWN|SFF_ROOTOK; + if (!bitnset(DBS_GROUPWRITABLEFORWARDFILE, DontBlameSendmail)) + sfflags |= SFF_NOGWFILES; + if (!bitnset(DBS_WORLDWRITABLEFORWARDFILE, DontBlameSendmail)) + sfflags |= SFF_NOWWFILES; + } + else + { + if (!bitnset(DBS_GROUPWRITABLEINCLUDEFILE, DontBlameSendmail)) + sfflags |= SFF_NOGWFILES; + if (!bitnset(DBS_WORLDWRITABLEINCLUDEFILE, DontBlameSendmail)) + sfflags |= SFF_NOWWFILES; + } + + /* + ** If RunAsUser set, won't be able to run programs as user + ** so mark them as unsafe unless the administrator knows better. + */ + + if ((geteuid() != 0 || RunAsUid != 0) && + !bitnset(DBS_NONROOTSAFEADDR, DontBlameSendmail)) + { + if (tTd(27, 4)) + sm_dprintf("include: not safe (euid=%d, RunAsUid=%d)\n", + (int) geteuid(), (int) RunAsUid); + ctladdr->q_flags |= QUNSAFEADDR; + } + + ca = getctladdr(ctladdr); + if (ca == NULL || + (ca->q_uid == DefUid && ca->q_gid == 0)) + { + uid = DefUid; + gid = DefGid; + user = DefUser; + } + else + { + uid = ca->q_uid; + gid = ca->q_gid; + user = ca->q_user; + } +#if MAILER_SETUID_METHOD != USE_SETUID + saveduid = geteuid(); + savedgid = getegid(); + if (saveduid == 0) + { + if (!DontInitGroups) + { + if (initgroups(user, gid) == -1) + { + rval = EAGAIN; + syserr("include: initgroups(%s, %d) failed", + user, gid); + goto resetuid; + } + } + else + { + GIDSET_T gidset[1]; + + gidset[0] = gid; + if (setgroups(1, gidset) == -1) + { + rval = EAGAIN; + syserr("include: setgroups() failed"); + goto resetuid; + } + } + + if (gid != 0 && setgid(gid) < -1) + { + rval = EAGAIN; + syserr("setgid(%d) failure", gid); + goto resetuid; + } + if (uid != 0) + { +# if MAILER_SETUID_METHOD == USE_SETEUID + if (seteuid(uid) < 0) + { + rval = EAGAIN; + syserr("seteuid(%d) failure (real=%d, eff=%d)", + uid, (int) getuid(), (int) geteuid()); + goto resetuid; + } +# endif /* MAILER_SETUID_METHOD == USE_SETEUID */ +# if MAILER_SETUID_METHOD == USE_SETREUID + if (setreuid(0, uid) < 0) + { + rval = EAGAIN; + syserr("setreuid(0, %d) failure (real=%d, eff=%d)", + uid, (int) getuid(), (int) geteuid()); + goto resetuid; + } +# endif /* MAILER_SETUID_METHOD == USE_SETREUID */ + } + } +#endif /* MAILER_SETUID_METHOD != USE_SETUID */ + + if (tTd(27, 9)) + sm_dprintf("include: new uid = %d/%d\n", + (int) getuid(), (int) geteuid()); + + /* + ** If home directory is remote mounted but server is down, + ** this can hang or give errors; use a timeout to avoid this + */ + + if (setjmp(CtxIncludeTimeout) != 0) + { + ctladdr->q_state = QS_QUEUEUP; + errno = 0; + + /* return pseudo-error code */ + rval = E_SM_OPENTIMEOUT; + goto resetuid; + } + if (TimeOuts.to_fileopen > 0) + ev = sm_setevent(TimeOuts.to_fileopen, includetimeout, 0); + else + ev = NULL; + + + /* check for writable parent directory */ + p = strrchr(fname, '/'); + if (p != NULL) + { + int ret; + + *p = '\0'; + ret = safedirpath(fname, uid, gid, user, + sfflags|SFF_SAFEDIRPATH, 0, 0); + if (ret == 0) + { + /* in safe directory: relax chown & link rules */ + safedir = true; + sfflags |= SFF_NOPATHCHECK; + } + else + { + if (bitnset((forwarding ? + DBS_FORWARDFILEINUNSAFEDIRPATH : + DBS_INCLUDEFILEINUNSAFEDIRPATH), + DontBlameSendmail)) + sfflags |= SFF_NOPATHCHECK; + else if (bitnset((forwarding ? + DBS_FORWARDFILEINGROUPWRITABLEDIRPATH : + DBS_INCLUDEFILEINGROUPWRITABLEDIRPATH), + DontBlameSendmail) && + ret == E_SM_GWDIR) + { + setbitn(DBS_GROUPWRITABLEDIRPATHSAFE, + DontBlameSendmail); + ret = safedirpath(fname, uid, gid, user, + sfflags|SFF_SAFEDIRPATH, + 0, 0); + clrbitn(DBS_GROUPWRITABLEDIRPATHSAFE, + DontBlameSendmail); + if (ret == 0) + sfflags |= SFF_NOPATHCHECK; + else + sfflags |= SFF_SAFEDIRPATH; + } + else + sfflags |= SFF_SAFEDIRPATH; + if (ret > E_PSEUDOBASE && + !bitnset((forwarding ? + DBS_FORWARDFILEINUNSAFEDIRPATHSAFE : + DBS_INCLUDEFILEINUNSAFEDIRPATHSAFE), + DontBlameSendmail)) + { + if (LogLevel > 11) + sm_syslog(LOG_INFO, e->e_id, + "%s: unsafe directory path, marked unsafe", + shortenstring(fname, MAXSHORTSTR)); + ctladdr->q_flags |= QUNSAFEADDR; + } + } + *p = '/'; + } + + /* allow links only in unwritable directories */ + if (!safedir && + !bitnset((forwarding ? + DBS_LINKEDFORWARDFILEINWRITABLEDIR : + DBS_LINKEDINCLUDEFILEINWRITABLEDIR), + DontBlameSendmail)) + sfflags |= SFF_NOLINK; + + rval = safefile(fname, uid, gid, user, sfflags, S_IREAD, &st); + if (rval != 0) + { + /* don't use this :include: file */ + if (tTd(27, 4)) + sm_dprintf("include: not safe (uid=%d): %s\n", + (int) uid, sm_errstring(rval)); + } + else if ((fp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fname, + SM_IO_RDONLY, NULL)) == NULL) + { + rval = errno; + if (tTd(27, 4)) + sm_dprintf("include: open: %s\n", sm_errstring(rval)); + } + else if (filechanged(fname, sm_io_getinfo(fp,SM_IO_WHAT_FD, NULL), &st)) + { + rval = E_SM_FILECHANGE; + if (tTd(27, 4)) + sm_dprintf("include: file changed after open\n"); + } + if (ev != NULL) + sm_clrevent(ev); + +resetuid: + +#if HASSETREUID || USESETEUID + if (saveduid == 0) + { + if (uid != 0) + { +# if USESETEUID + if (seteuid(0) < 0) + syserr("!seteuid(0) failure (real=%d, eff=%d)", + (int) getuid(), (int) geteuid()); +# else /* USESETEUID */ + if (setreuid(-1, 0) < 0) + syserr("!setreuid(-1, 0) failure (real=%d, eff=%d)", + (int) getuid(), (int) geteuid()); + if (setreuid(RealUid, 0) < 0) + syserr("!setreuid(%d, 0) failure (real=%d, eff=%d)", + (int) RealUid, (int) getuid(), + (int) geteuid()); +# endif /* USESETEUID */ + } + if (setgid(savedgid) < 0) + syserr("!setgid(%d) failure (real=%d eff=%d)", + (int) savedgid, (int) getgid(), + (int) getegid()); + } +#endif /* HASSETREUID || USESETEUID */ + + if (tTd(27, 9)) + sm_dprintf("include: reset uid = %d/%d\n", + (int) getuid(), (int) geteuid()); + + if (rval == E_SM_OPENTIMEOUT) + usrerr("451 4.4.1 open timeout on %s", fname); + + if (fp == NULL) + return rval; + + if (fstat(sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL), &st) < 0) + { + rval = errno; + syserr("Cannot fstat %s!", fname); + (void) sm_io_close(fp, SM_TIME_DEFAULT); + return rval; + } + + /* if path was writable, check to avoid file giveaway tricks */ + safechown = chownsafe(sm_io_getinfo(fp, SM_IO_WHAT_FD, NULL), safedir); + if (tTd(27, 6)) + sm_dprintf("include: parent of %s is %s, chown is %ssafe\n", + fname, safedir ? "safe" : "dangerous", + safechown ? "" : "un"); + + /* if no controlling user or coming from an alias delivery */ + if (safechown && + (ca == NULL || + (ca->q_uid == DefUid && ca->q_gid == 0))) + { + ctladdr->q_uid = st.st_uid; + ctladdr->q_gid = st.st_gid; + ctladdr->q_flags |= QGOODUID; + } + if (ca != NULL && ca->q_uid == st.st_uid) + { + /* optimization -- avoid getpwuid if we already have info */ + ctladdr->q_flags |= ca->q_flags & QBOGUSSHELL; + ctladdr->q_ruser = ca->q_ruser; + } + else if (!forwarding) + { + register struct passwd *pw; + + pw = sm_getpwuid(st.st_uid); + if (pw == NULL) + { + ctladdr->q_uid = st.st_uid; + ctladdr->q_flags |= QBOGUSSHELL; + } + else + { + char *sh; + + ctladdr->q_ruser = sm_rpool_strdup_x(e->e_rpool, + pw->pw_name); + if (safechown) + sh = pw->pw_shell; + else + sh = "/SENDMAIL/ANY/SHELL/"; + if (!usershellok(pw->pw_name, sh)) + { + if (LogLevel > 11) + sm_syslog(LOG_INFO, e->e_id, + "%s: user %s has bad shell %s, marked %s", + shortenstring(fname, + MAXSHORTSTR), + pw->pw_name, sh, + safechown ? "bogus" : "unsafe"); + if (safechown) + ctladdr->q_flags |= QBOGUSSHELL; + else + ctladdr->q_flags |= QUNSAFEADDR; + } + } + } + + if (bitset(EF_VRFYONLY, e->e_flags)) + { + /* don't do any more now */ + ctladdr->q_state = QS_VERIFIED; + e->e_nrcpts++; + (void) sm_io_close(fp, SM_TIME_DEFAULT); + return rval; + } + + /* + ** Check to see if some bad guy can write this file + ** + ** Group write checking could be more clever, e.g., + ** guessing as to which groups are actually safe ("sys" + ** may be; "user" probably is not). + */ + + mode = S_IWOTH; + if (!bitnset((forwarding ? + DBS_GROUPWRITABLEFORWARDFILESAFE : + DBS_GROUPWRITABLEINCLUDEFILESAFE), + DontBlameSendmail)) + mode |= S_IWGRP; + + if (bitset(mode, st.st_mode)) + { + if (tTd(27, 6)) + sm_dprintf("include: %s is %s writable, marked unsafe\n", + shortenstring(fname, MAXSHORTSTR), + bitset(S_IWOTH, st.st_mode) ? "world" + : "group"); + if (LogLevel > 11) + sm_syslog(LOG_INFO, e->e_id, + "%s: %s writable %s file, marked unsafe", + shortenstring(fname, MAXSHORTSTR), + bitset(S_IWOTH, st.st_mode) ? "world" : "group", + forwarding ? "forward" : ":include:"); + ctladdr->q_flags |= QUNSAFEADDR; + } + + /* read the file -- each line is a comma-separated list. */ + FileName = fname; + LineNumber = 0; + ctladdr->q_flags &= ~QSELFREF; + nincludes = 0; + while (sm_io_fgets(fp, SM_TIME_DEFAULT, buf, sizeof buf) != NULL && + !maxreached) + { + fixcrlf(buf, true); + LineNumber++; + if (buf[0] == '#' || buf[0] == '\0') + continue; + + /* #@# introduces a comment anywhere */ + /* for Japanese character sets */ + for (p = buf; (p = strchr(++p, '#')) != NULL; ) + { + if (p[1] == '@' && p[2] == '#' && + isascii(p[-1]) && isspace(p[-1]) && + (p[3] == '\0' || (isascii(p[3]) && isspace(p[3])))) + { + --p; + while (p > buf && isascii(p[-1]) && + isspace(p[-1])) + --p; + p[0] = '\0'; + break; + } + } + if (buf[0] == '\0') + continue; + + e->e_to = NULL; + message("%s to %s", + forwarding ? "forwarding" : "sending", buf); + if (forwarding && LogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, + "forward %.200s => %s", + oldto, shortenstring(buf, MAXSHORTSTR)); + + nincludes += sendtolist(buf, ctladdr, sendq, aliaslevel + 1, e); + + if (forwarding && + MaxForwardEntries > 0 && + nincludes >= MaxForwardEntries) + { + /* just stop reading and processing further entries */ +#if 0 + /* additional: (?) */ + ctladdr->q_state = QS_DONTSEND; +#endif /* 0 */ + + syserr("Attempt to forward to more than %d addresses (in %s)!", + MaxForwardEntries, fname); + maxreached = true; + } + } + + if (sm_io_error(fp) && tTd(27, 3)) + sm_dprintf("include: read error: %s\n", sm_errstring(errno)); + if (nincludes > 0 && !bitset(QSELFREF, ctladdr->q_flags)) + { + if (tTd(27, 5)) + { + sm_dprintf("include: QS_DONTSEND "); + printaddr(sm_debug_file(), ctladdr, false); + } + ctladdr->q_state = QS_DONTSEND; + } + + (void) sm_io_close(fp, SM_TIME_DEFAULT); + FileName = oldfilename; + LineNumber = oldlinenumber; + e->e_to = oldto; + return rval; +} + +static void +includetimeout(ignore) + int ignore; +{ + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + errno = ETIMEDOUT; + longjmp(CtxIncludeTimeout, 1); +} +/* +** SENDTOARGV -- send to an argument vector. +** +** Parameters: +** argv -- argument vector to send to. +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** puts all addresses on the argument vector onto the +** send queue. +*/ + +void +sendtoargv(argv, e) + register char **argv; + register ENVELOPE *e; +{ + register char *p; + + while ((p = *argv++) != NULL) + (void) sendtolist(p, NULLADDR, &e->e_sendqueue, 0, e); +} +/* +** GETCTLADDR -- get controlling address from an address header. +** +** If none, get one corresponding to the effective userid. +** +** Parameters: +** a -- the address to find the controller of. +** +** Returns: +** the controlling address. +*/ + +ADDRESS * +getctladdr(a) + register ADDRESS *a; +{ + while (a != NULL && !bitset(QGOODUID, a->q_flags)) + a = a->q_alias; + return a; +} +/* +** SELF_REFERENCE -- check to see if an address references itself +** +** The check is done through a chain of aliases. If it is part of +** a loop, break the loop at the "best" address, that is, the one +** that exists as a real user. +** +** This is to handle the case of: +** awc: Andrew.Chang +** Andrew.Chang: awc@mail.server +** which is a problem only on mail.server. +** +** Parameters: +** a -- the address to check. +** +** Returns: +** The address that should be retained. +*/ + +static ADDRESS * +self_reference(a) + ADDRESS *a; +{ + ADDRESS *b; /* top entry in self ref loop */ + ADDRESS *c; /* entry that point to a real mail box */ + + if (tTd(27, 1)) + sm_dprintf("self_reference(%s)\n", a->q_paddr); + + for (b = a->q_alias; b != NULL; b = b->q_alias) + { + if (sameaddr(a, b)) + break; + } + + if (b == NULL) + { + if (tTd(27, 1)) + sm_dprintf("\t... no self ref\n"); + return NULL; + } + + /* + ** Pick the first address that resolved to a real mail box + ** i.e has a mbdb entry. The returned value will be marked + ** QSELFREF in recipient(), which in turn will disable alias() + ** from marking it as QS_IS_DEAD(), which mean it will be used + ** as a deliverable address. + ** + ** The 2 key thing to note here are: + ** 1) we are in a recursive call sequence: + ** alias->sendtolist->recipient->alias + ** 2) normally, when we return back to alias(), the address + ** will be marked QS_EXPANDED, since alias() assumes the + ** expanded form will be used instead of the current address. + ** This behaviour is turned off if the address is marked + ** QSELFREF. We set QSELFREF when we return to recipient(). + */ + + c = a; + while (c != NULL) + { + if (tTd(27, 10)) + sm_dprintf(" %s", c->q_user); + if (bitnset(M_HASPWENT, c->q_mailer->m_flags)) + { + SM_MBDB_T user; + + if (tTd(27, 2)) + sm_dprintf("\t... getpwnam(%s)... ", c->q_user); + if (sm_mbdb_lookup(c->q_user, &user) == EX_OK) + { + if (tTd(27, 2)) + sm_dprintf("found\n"); + + /* ought to cache results here */ + if (sameaddr(b, c)) + return b; + else + return c; + } + if (tTd(27, 2)) + sm_dprintf("failed\n"); + } + else + { + /* if local delivery, compare usernames */ + if (bitnset(M_LOCALMAILER, c->q_mailer->m_flags) && + b->q_mailer == c->q_mailer) + { + if (tTd(27, 2)) + sm_dprintf("\t... local match (%s)\n", + c->q_user); + if (sameaddr(b, c)) + return b; + else + return c; + } + } + if (tTd(27, 10)) + sm_dprintf("\n"); + c = c->q_alias; + } + + if (tTd(27, 1)) + sm_dprintf("\t... cannot break loop for \"%s\"\n", a->q_paddr); + + return NULL; +} diff --git a/contrib/sendmail-8.13.4/sendmail/sasl.c b/contrib/sendmail-8.13.4/sendmail/sasl.c new file mode 100644 index 0000000000..9e368ff4bd --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sasl.c @@ -0,0 +1,287 @@ +/* + * Copyright (c) 2001-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: sasl.c,v 8.21 2004/11/22 23:09:00 gshapiro Exp $") + +#if SASL +# include +# include +# include + +/* +** In order to ensure that storage leaks are tracked, and to prevent +** conflicts between the sm_heap package and sasl, we tell sasl to +** use the following heap allocation functions. Unfortunately, +** the sasl package incorrectly specifies the size of a block +** using unsigned long: for portability, it should be size_t. +*/ + +void *sm_sasl_malloc __P((unsigned long)); +static void *sm_sasl_calloc __P((unsigned long, unsigned long)); +static void *sm_sasl_realloc __P((void *, unsigned long)); +void sm_sasl_free __P((void *)); + +/* +** SASLv1: +** We can't use an rpool for Cyrus-SASL memory management routines, +** since the encryption/decryption routines in Cyrus-SASL +** allocate/deallocate a buffer each time. Since rpool +** don't release memory until the very end, memory consumption is +** proportional to the size of an e-mail, which is unacceptable. +*/ + +/* +** SM_SASL_MALLOC -- malloc() for SASL +** +** Parameters: +** size -- size of requested memory. +** +** Returns: +** pointer to memory. +*/ + +void * +sm_sasl_malloc(size) + unsigned long size; +{ + return sm_malloc((size_t) size); +} + +/* +** SM_SASL_CALLOC -- calloc() for SASL +** +** Parameters: +** nelem -- number of elements. +** elemsize -- size of each element. +** +** Returns: +** pointer to memory. +** +** Notice: +** this isn't currently used by SASL. +*/ + +static void * +sm_sasl_calloc(nelem, elemsize) + unsigned long nelem; + unsigned long elemsize; +{ + size_t size; + void *p; + + size = (size_t) nelem * (size_t) elemsize; + p = sm_malloc(size); + if (p == NULL) + return NULL; + memset(p, '\0', size); + return p; +} + +/* +** SM_SASL_REALLOC -- realloc() for SASL +** +** Parameters: +** p -- pointer to old memory. +** size -- size of requested memory. +** +** Returns: +** pointer to new memory. +*/ + +static void * +sm_sasl_realloc(o, size) + void *o; + unsigned long size; +{ + return sm_realloc(o, (size_t) size); +} + +/* +** SM_SASL_FREE -- free() for SASL +** +** Parameters: +** p -- pointer to free. +** +** Returns: +** none +*/ + +void +sm_sasl_free(p) + void *p; +{ + sm_free(p); +} + +/* +** SM_SASL_INIT -- sendmail specific SASL initialization +** +** Parameters: +** none. +** +** Returns: +** none +** +** Side Effects: +** installs memory management routines for SASL. +*/ + +void +sm_sasl_init() +{ + sasl_set_alloc(sm_sasl_malloc, sm_sasl_calloc, + sm_sasl_realloc, sm_sasl_free); +} +/* +** INTERSECT -- create the intersection between two lists +** +** Parameters: +** s1, s2 -- lists of items (separated by single blanks). +** rpool -- resource pool from which result is allocated. +** +** Returns: +** the intersection of both lists. +*/ + +char * +intersect(s1, s2, rpool) + char *s1, *s2; + SM_RPOOL_T *rpool; +{ + char *hr, *h1, *h, *res; + int l1, l2, rl; + + if (s1 == NULL || s2 == NULL) /* NULL string(s) -> NULL result */ + return NULL; + l1 = strlen(s1); + l2 = strlen(s2); + rl = SM_MIN(l1, l2); + res = (char *) sm_rpool_malloc(rpool, rl + 1); + if (res == NULL) + return NULL; + *res = '\0'; + if (rl == 0) /* at least one string empty? */ + return res; + hr = res; + h1 = s1; + h = s1; + + /* walk through s1 */ + while (h != NULL && *h1 != '\0') + { + /* is there something after the current word? */ + if ((h = strchr(h1, ' ')) != NULL) + *h = '\0'; + l1 = strlen(h1); + + /* does the current word appear in s2 ? */ + if (iteminlist(h1, s2, " ") != NULL) + { + /* add a blank if not first item */ + if (hr != res) + *hr++ = ' '; + + /* copy the item */ + memcpy(hr, h1, l1); + + /* advance pointer in result list */ + hr += l1; + *hr = '\0'; + } + if (h != NULL) + { + /* there are more items */ + *h = ' '; + h1 = h + 1; + } + } + return res; +} +# if SASL >= 20000 +/* +** IPTOSTRING -- create string for SASL_IP*PORT property +** (borrowed from lib/iptostring.c in Cyrus-IMAP) +** +** Parameters: +** addr -- (pointer to) socket address +** addrlen -- length of socket address +** out -- output string (result) +** outlen -- maximum length of output string +** +** Returns: +** true iff successful. +** +** Side Effects: +** creates output string if successful. +** sets errno if unsuccessful. +*/ + +# include + +# ifndef NI_MAXHOST +# define NI_MAXHOST 1025 +# endif +# ifndef NI_MAXSERV +# define NI_MAXSERV 32 +# endif + +bool +iptostring(addr, addrlen, out, outlen) + SOCKADDR *addr; + SOCKADDR_LEN_T addrlen; + char *out; + unsigned outlen; +{ + char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; +# if NETINET6 + int niflags; +# endif /* NETINET6 */ + + if (addr == NULL || out == NULL) + { + errno = EINVAL; + return false; + } + +# if NETINET6 + niflags = (NI_NUMERICHOST | NI_NUMERICSERV); +# ifdef NI_WITHSCOPEID + if (addr->sa.sa_family == AF_INET6) + niflags |= NI_WITHSCOPEID; +# endif /* NI_WITHSCOPEID */ + if (getnameinfo((struct sockaddr *) addr, addrlen, + hbuf, sizeof hbuf, pbuf, sizeof pbuf, niflags) != 0) + return false; +# else /* NETINET6 */ + if (addr->sa.sa_family != AF_INET) + { + errno = EINVAL; + return false; + } + if (sm_strlcpy(hbuf, inet_ntoa(addr->sin.sin_addr), sizeof(hbuf)) + >= sizeof(hbuf)) + { + errno = ENOMEM; + return false; + } + sm_snprintf(pbuf, sizeof pbuf, "%d", ntohs(addr->sin.sin_port)); +# endif /* NETINET6 */ + + if (outlen < strlen(hbuf) + strlen(pbuf) + 2) + { + errno = ENOMEM; + return false; + } + sm_snprintf(out, outlen, "%s;%s", hbuf, pbuf); + return true; +} +# endif /* SASL >= 20000 */ +#endif /* SASL */ diff --git a/contrib/sendmail-8.13.4/sendmail/savemail.c b/contrib/sendmail-8.13.4/sendmail/savemail.c new file mode 100644 index 0000000000..857d81f008 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/savemail.c @@ -0,0 +1,1690 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: savemail.c,v 8.304 2004/10/06 21:36:06 ca Exp $") + +static void errbody __P((MCI *, ENVELOPE *, char *)); +static bool pruneroute __P((char *)); + +/* +** SAVEMAIL -- Save mail on error +** +** If mailing back errors, mail it back to the originator +** together with an error message; otherwise, just put it in +** dead.letter in the user's home directory (if he exists on +** this machine). +** +** Parameters: +** e -- the envelope containing the message in error. +** sendbody -- if true, also send back the body of the +** message; otherwise just send the header. +** +** Returns: +** true if savemail panic'ed, (i.e., the data file should +** be preserved by dropenvelope()) +** +** Side Effects: +** Saves the letter, by writing or mailing it back to the +** sender, or by putting it in dead.letter in her home +** directory. +*/ + +/* defines for state machine */ +#define ESM_REPORT 0 /* report to sender's terminal */ +#define ESM_MAIL 1 /* mail back to sender */ +#define ESM_QUIET 2 /* mail has already been returned */ +#define ESM_DEADLETTER 3 /* save in ~/dead.letter */ +#define ESM_POSTMASTER 4 /* return to postmaster */ +#define ESM_DEADLETTERDROP 5 /* save in DeadLetterDrop */ +#define ESM_PANIC 6 /* call loseqfile() */ +#define ESM_DONE 7 /* message is successfully delivered */ + +bool +savemail(e, sendbody) + register ENVELOPE *e; + bool sendbody; +{ + register SM_FILE_T *fp; + bool panic = false; + int state; + auto ADDRESS *q = NULL; + register char *p; + MCI mcibuf; + int flags; + long sff; + char buf[MAXLINE + 1]; + char dlbuf[MAXPATHLEN]; + SM_MBDB_T user; + + + if (tTd(6, 1)) + { + sm_dprintf("\nsavemail, errormode = %c, id = %s, ExitStat = %d\n e_from=", + e->e_errormode, e->e_id == NULL ? "NONE" : e->e_id, + ExitStat); + printaddr(sm_debug_file(), &e->e_from, false); + } + + if (e->e_id == NULL) + { + /* can't return a message with no id */ + return panic; + } + + /* + ** In the unhappy event we don't know who to return the mail + ** to, make someone up. + */ + + if (e->e_from.q_paddr == NULL) + { + e->e_sender = "Postmaster"; + if (parseaddr(e->e_sender, &e->e_from, + RF_COPYPARSE|RF_SENDERADDR, + '\0', NULL, e, false) == NULL) + { + syserr("553 5.3.5 Cannot parse Postmaster!"); + finis(true, true, EX_SOFTWARE); + } + } + e->e_to = NULL; + + /* + ** Basic state machine. + ** + ** This machine runs through the following states: + ** + ** ESM_QUIET Errors have already been printed iff the + ** sender is local. + ** ESM_REPORT Report directly to the sender's terminal. + ** ESM_MAIL Mail response to the sender. + ** ESM_DEADLETTER Save response in ~/dead.letter. + ** ESM_POSTMASTER Mail response to the postmaster. + ** ESM_DEADLETTERDROP + ** If DeadLetterDrop set, save it there. + ** ESM_PANIC Save response anywhere possible. + */ + + /* determine starting state */ + switch (e->e_errormode) + { + case EM_WRITE: + state = ESM_REPORT; + break; + + case EM_BERKNET: + case EM_MAIL: + state = ESM_MAIL; + break; + + case EM_PRINT: + case '\0': + state = ESM_QUIET; + break; + + case EM_QUIET: + /* no need to return anything at all */ + return panic; + + default: + syserr("554 5.3.0 savemail: bogus errormode x%x", + e->e_errormode); + state = ESM_MAIL; + break; + } + + /* if this is already an error response, send to postmaster */ + if (bitset(EF_RESPONSE, e->e_flags)) + { + if (e->e_parent != NULL && + bitset(EF_RESPONSE, e->e_parent->e_flags)) + { + /* got an error sending a response -- can it */ + return panic; + } + state = ESM_POSTMASTER; + } + + while (state != ESM_DONE) + { + if (tTd(6, 5)) + sm_dprintf(" state %d\n", state); + + switch (state) + { + case ESM_QUIET: + if (bitnset(M_LOCALMAILER, e->e_from.q_mailer->m_flags)) + state = ESM_DEADLETTER; + else + state = ESM_MAIL; + break; + + case ESM_REPORT: + + /* + ** If the user is still logged in on the same terminal, + ** then write the error messages back to hir (sic). + */ + +#if USE_TTYPATH + p = ttypath(); +#else /* USE_TTYPATH */ + p = NULL; +#endif /* USE_TTYPATH */ + + if (p == NULL || sm_io_reopen(SmFtStdio, + SM_TIME_DEFAULT, + p, SM_IO_WRONLY, NULL, + smioout) == NULL) + { + state = ESM_MAIL; + break; + } + + expand("\201n", buf, sizeof buf, e); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "\r\nMessage from %s...\r\n", buf); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Errors occurred while sending mail.\r\n"); + if (e->e_xfp != NULL) + { + (void) bfrewind(e->e_xfp); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Transcript follows:\r\n"); + while (sm_io_fgets(e->e_xfp, SM_TIME_DEFAULT, + buf, sizeof buf) != NULL && + !sm_io_error(smioout)) + (void) sm_io_fputs(smioout, + SM_TIME_DEFAULT, + buf); + } + else + { + syserr("Cannot open %s", + queuename(e, XSCRPT_LETTER)); + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Transcript of session is unavailable.\r\n"); + } + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Original message will be saved in dead.letter.\r\n"); + state = ESM_DEADLETTER; + break; + + case ESM_MAIL: + /* + ** If mailing back, do it. + ** Throw away all further output. Don't alias, + ** since this could cause loops, e.g., if joe + ** mails to joe@x, and for some reason the network + ** for @x is down, then the response gets sent to + ** joe@x, which gives a response, etc. Also force + ** the mail to be delivered even if a version of + ** it has already been sent to the sender. + ** + ** If this is a configuration or local software + ** error, send to the local postmaster as well, + ** since the originator can't do anything + ** about it anyway. Note that this is a full + ** copy of the message (intentionally) so that + ** the Postmaster can forward things along. + */ + + if (ExitStat == EX_CONFIG || ExitStat == EX_SOFTWARE) + { + (void) sendtolist("postmaster", NULLADDR, + &e->e_errorqueue, 0, e); + } + if (!emptyaddr(&e->e_from)) + { + char from[TOBUFSIZE]; + + if (sm_strlcpy(from, e->e_from.q_paddr, + sizeof from) >= sizeof from) + { + state = ESM_POSTMASTER; + break; + } + + if (!DontPruneRoutes) + (void) pruneroute(from); + + (void) sendtolist(from, NULLADDR, + &e->e_errorqueue, 0, e); + } + + /* + ** Deliver a non-delivery report to the + ** Postmaster-designate (not necessarily + ** Postmaster). This does not include the + ** body of the message, for privacy reasons. + ** You really shouldn't need this. + */ + + e->e_flags |= EF_PM_NOTIFY; + + /* check to see if there are any good addresses */ + for (q = e->e_errorqueue; q != NULL; q = q->q_next) + { + if (QS_IS_SENDABLE(q->q_state)) + break; + } + if (q == NULL) + { + /* this is an error-error */ + state = ESM_POSTMASTER; + break; + } + if (returntosender(e->e_message, e->e_errorqueue, + sendbody ? RTSF_SEND_BODY + : RTSF_NO_BODY, + e) == 0) + { + state = ESM_DONE; + break; + } + + /* didn't work -- return to postmaster */ + state = ESM_POSTMASTER; + break; + + case ESM_POSTMASTER: + /* + ** Similar to previous case, but to system postmaster. + */ + + q = NULL; + expand(DoubleBounceAddr, buf, sizeof buf, e); + + /* + ** Just drop it on the floor if DoubleBounceAddr + ** expands to an empty string. + */ + + if (*buf == '\0') + { + state = ESM_DONE; + break; + } + if (sendtolist(buf, NULLADDR, &q, 0, e) <= 0) + { + syserr("553 5.3.0 cannot parse %s!", buf); + ExitStat = EX_SOFTWARE; + state = ESM_DEADLETTERDROP; + break; + } + flags = RTSF_PM_BOUNCE; + if (sendbody) + flags |= RTSF_SEND_BODY; + if (returntosender(e->e_message, q, flags, e) == 0) + { + state = ESM_DONE; + break; + } + + /* didn't work -- last resort */ + state = ESM_DEADLETTERDROP; + break; + + case ESM_DEADLETTER: + /* + ** Save the message in dead.letter. + ** If we weren't mailing back, and the user is + ** local, we should save the message in + ** ~/dead.letter so that the poor person doesn't + ** have to type it over again -- and we all know + ** what poor typists UNIX users are. + */ + + p = NULL; + if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) + { + if (e->e_from.q_home != NULL) + p = e->e_from.q_home; + else if (sm_mbdb_lookup(e->e_from.q_user, &user) + == EX_OK && + *user.mbdb_homedir != '\0') + p = user.mbdb_homedir; + } + if (p == NULL || e->e_dfp == NULL) + { + /* no local directory or no data file */ + state = ESM_MAIL; + break; + } + + /* we have a home directory; write dead.letter */ + macdefine(&e->e_macro, A_TEMP, 'z', p); + + /* get the sender for the UnixFromLine */ + p = macvalue('g', e); + macdefine(&e->e_macro, A_PERM, 'g', e->e_sender); + + expand("\201z/dead.letter", dlbuf, sizeof dlbuf, e); + sff = SFF_CREAT|SFF_REGONLY|SFF_RUNASREALUID; + if (RealUid == 0) + sff |= SFF_ROOTOK; + e->e_to = dlbuf; + if (writable(dlbuf, NULL, sff) && + mailfile(dlbuf, FileMailer, NULL, sff, e) == EX_OK) + { + int oldverb = Verbose; + + if (OpMode != MD_DAEMON && OpMode != MD_SMTP) + Verbose = 1; + if (Verbose > 0) + message("Saved message in %s", dlbuf); + Verbose = oldverb; + macdefine(&e->e_macro, A_PERM, 'g', p); + state = ESM_DONE; + break; + } + macdefine(&e->e_macro, A_PERM, 'g', p); + state = ESM_MAIL; + break; + + case ESM_DEADLETTERDROP: + /* + ** Log the mail in DeadLetterDrop file. + */ + + if (e->e_class < 0) + { + state = ESM_DONE; + break; + } + + if ((SafeFileEnv != NULL && SafeFileEnv[0] != '\0') || + DeadLetterDrop == NULL || + DeadLetterDrop[0] == '\0') + { + state = ESM_PANIC; + break; + } + + sff = SFF_CREAT|SFF_REGONLY|SFF_ROOTOK|SFF_OPENASROOT|SFF_MUSTOWN; + if (!writable(DeadLetterDrop, NULL, sff) || + (fp = safefopen(DeadLetterDrop, O_WRONLY|O_APPEND, + FileMode, sff)) == NULL) + { + state = ESM_PANIC; + break; + } + + memset(&mcibuf, '\0', sizeof mcibuf); + mcibuf.mci_out = fp; + mcibuf.mci_mailer = FileMailer; + if (bitnset(M_7BITS, FileMailer->m_flags)) + mcibuf.mci_flags |= MCIF_7BIT; + + /* get the sender for the UnixFromLine */ + p = macvalue('g', e); + macdefine(&e->e_macro, A_PERM, 'g', e->e_sender); + + putfromline(&mcibuf, e); + (*e->e_puthdr)(&mcibuf, e->e_header, e, M87F_OUTER); + (*e->e_putbody)(&mcibuf, e, NULL); + putline("\n", &mcibuf); /* XXX EOL from FileMailer? */ + (void) sm_io_flush(fp, SM_TIME_DEFAULT); + if (sm_io_error(fp) || + sm_io_close(fp, SM_TIME_DEFAULT) < 0) + state = ESM_PANIC; + else + { + int oldverb = Verbose; + + if (OpMode != MD_DAEMON && OpMode != MD_SMTP) + Verbose = 1; + if (Verbose > 0) + message("Saved message in %s", + DeadLetterDrop); + Verbose = oldverb; + if (LogLevel > 3) + sm_syslog(LOG_NOTICE, e->e_id, + "Saved message in %s", + DeadLetterDrop); + state = ESM_DONE; + } + macdefine(&e->e_macro, A_PERM, 'g', p); + break; + + default: + syserr("554 5.3.5 savemail: unknown state %d", state); + /* FALLTHROUGH */ + + case ESM_PANIC: + /* leave the locked queue & transcript files around */ + loseqfile(e, "savemail panic"); + panic = true; + errno = 0; + syserr("554 savemail: cannot save rejected email anywhere"); + state = ESM_DONE; + break; + } + } + return panic; +} +/* +** RETURNTOSENDER -- return a message to the sender with an error. +** +** Parameters: +** msg -- the explanatory message. +** returnq -- the queue of people to send the message to. +** flags -- flags tweaking the operation: +** RTSF_SENDBODY -- include body of message (otherwise +** just send the header). +** RTSF_PMBOUNCE -- this is a postmaster bounce. +** e -- the current envelope. +** +** Returns: +** zero -- if everything went ok. +** else -- some error. +** +** Side Effects: +** Returns the current message to the sender via mail. +*/ + +#define MAXRETURNS 6 /* max depth of returning messages */ +#define ERRORFUDGE 1024 /* nominal size of error message text */ + +int +returntosender(msg, returnq, flags, e) + char *msg; + ADDRESS *returnq; + int flags; + register ENVELOPE *e; +{ + register ENVELOPE *ee; + ENVELOPE *oldcur = CurEnv; + ENVELOPE errenvelope; + static int returndepth = 0; + register ADDRESS *q; + char *p; + char buf[MAXNAME + 1]; + + if (returnq == NULL) + return -1; + + if (msg == NULL) + msg = "Unable to deliver mail"; + + if (tTd(6, 1)) + { + sm_dprintf("\n*** Return To Sender: msg=\"%s\", depth=%d, e=%p, returnq=", + msg, returndepth, e); + printaddr(sm_debug_file(), returnq, true); + if (tTd(6, 20)) + { + sm_dprintf("Sendq="); + printaddr(sm_debug_file(), e->e_sendqueue, true); + } + } + + if (++returndepth >= MAXRETURNS) + { + if (returndepth != MAXRETURNS) + syserr("554 5.3.0 returntosender: infinite recursion on %s", + returnq->q_paddr); + /* don't "unrecurse" and fake a clean exit */ + /* returndepth--; */ + return 0; + } + + macdefine(&e->e_macro, A_PERM, 'g', e->e_sender); + macdefine(&e->e_macro, A_PERM, 'u', NULL); + + /* initialize error envelope */ + ee = newenvelope(&errenvelope, e, sm_rpool_new_x(NULL)); + macdefine(&ee->e_macro, A_PERM, 'a', "\201b"); + macdefine(&ee->e_macro, A_PERM, 'r', ""); + macdefine(&ee->e_macro, A_PERM, 's', "localhost"); + macdefine(&ee->e_macro, A_PERM, '_', "localhost"); + clrsessenvelope(ee); + + ee->e_puthdr = putheader; + ee->e_putbody = errbody; + ee->e_flags |= EF_RESPONSE|EF_METOO; + if (!bitset(EF_OLDSTYLE, e->e_flags)) + ee->e_flags &= ~EF_OLDSTYLE; + if (bitset(EF_DONT_MIME, e->e_flags)) + { + ee->e_flags |= EF_DONT_MIME; + + /* + ** If we can't convert to MIME and we don't pass + ** 8-bit, we can't send the body. + */ + + if (bitset(EF_HAS8BIT, e->e_flags) && + !bitset(MM_PASS8BIT, MimeMode)) + flags &= ~RTSF_SEND_BODY; + } + + ee->e_sendqueue = returnq; + ee->e_msgsize = 0; + if (bitset(RTSF_SEND_BODY, flags) && + !bitset(PRIV_NOBODYRETN, PrivacyFlags)) + ee->e_msgsize = ERRORFUDGE + e->e_msgsize; + else + ee->e_flags |= EF_NO_BODY_RETN; + + if (!setnewqueue(ee)) + { + syserr("554 5.3.0 returntosender: cannot select queue for %s", + returnq->q_paddr); + ExitStat = EX_UNAVAILABLE; + returndepth--; + return -1; + } + initsys(ee); + +#if NAMED_BIND + _res.retry = TimeOuts.res_retry[RES_TO_FIRST]; + _res.retrans = TimeOuts.res_retrans[RES_TO_FIRST]; +#endif /* NAMED_BIND */ + for (q = returnq; q != NULL; q = q->q_next) + { + if (QS_IS_BADADDR(q->q_state)) + continue; + + q->q_flags &= ~(QHASNOTIFY|Q_PINGFLAGS); + q->q_flags |= QPINGONFAILURE; + + if (!QS_IS_DEAD(q->q_state)) + ee->e_nrcpts++; + + if (q->q_alias == NULL) + addheader("To", q->q_paddr, 0, ee); + } + + if (LogLevel > 5) + { + if (bitset(EF_RESPONSE, e->e_flags)) + p = "return to sender"; + else if (bitset(EF_WARNING, e->e_flags)) + p = "sender notify"; + else if (bitset(RTSF_PM_BOUNCE, flags)) + p = "postmaster notify"; + else + p = "DSN"; + sm_syslog(LOG_INFO, e->e_id, "%s: %s: %s", + ee->e_id, p, shortenstring(msg, MAXSHORTSTR)); + } + + if (SendMIMEErrors) + { + addheader("MIME-Version", "1.0", 0, ee); + (void) sm_snprintf(buf, sizeof buf, "%s.%ld/%.100s", + ee->e_id, (long)curtime(), MyHostName); + ee->e_msgboundary = sm_rpool_strdup_x(ee->e_rpool, buf); + (void) sm_snprintf(buf, sizeof buf, +#if DSN + "multipart/report; report-type=delivery-status;\n\tboundary=\"%s\"", +#else /* DSN */ + "multipart/mixed; boundary=\"%s\"", +#endif /* DSN */ + ee->e_msgboundary); + addheader("Content-Type", buf, 0, ee); + + p = hvalue("Content-Transfer-Encoding", e->e_header); + if (p != NULL && sm_strcasecmp(p, "binary") != 0) + p = NULL; + if (p == NULL && bitset(EF_HAS8BIT, e->e_flags)) + p = "8bit"; + if (p != NULL) + addheader("Content-Transfer-Encoding", p, 0, ee); + } + if (strncmp(msg, "Warning:", 8) == 0) + { + addheader("Subject", msg, 0, ee); + p = "warning-timeout"; + } + else if (strncmp(msg, "Postmaster warning:", 19) == 0) + { + addheader("Subject", msg, 0, ee); + p = "postmaster-warning"; + } + else if (strcmp(msg, "Return receipt") == 0) + { + addheader("Subject", msg, 0, ee); + p = "return-receipt"; + } + else if (bitset(RTSF_PM_BOUNCE, flags)) + { + (void) sm_snprintf(buf, sizeof buf, + "Postmaster notify: see transcript for details"); + addheader("Subject", buf, 0, ee); + p = "postmaster-notification"; + } + else + { + (void) sm_snprintf(buf, sizeof buf, + "Returned mail: see transcript for details"); + addheader("Subject", buf, 0, ee); + p = "failure"; + } + (void) sm_snprintf(buf, sizeof buf, "auto-generated (%s)", p); + addheader("Auto-Submitted", buf, 0, ee); + + /* fake up an address header for the from person */ + expand("\201n", buf, sizeof buf, e); + if (parseaddr(buf, &ee->e_from, + RF_COPYALL|RF_SENDERADDR, '\0', NULL, e, false) == NULL) + { + syserr("553 5.3.5 Can't parse myself!"); + ExitStat = EX_SOFTWARE; + returndepth--; + return -1; + } + ee->e_from.q_flags &= ~(QHASNOTIFY|Q_PINGFLAGS); + ee->e_from.q_flags |= QPINGONFAILURE; + ee->e_sender = ee->e_from.q_paddr; + + /* push state into submessage */ + CurEnv = ee; + macdefine(&ee->e_macro, A_PERM, 'f', "\201n"); + macdefine(&ee->e_macro, A_PERM, 'x', "Mail Delivery Subsystem"); + eatheader(ee, true, true); + + /* mark statistics */ + markstats(ee, NULLADDR, STATS_NORMAL); + + /* actually deliver the error message */ + sendall(ee, SM_DELIVER); + + /* restore state */ + dropenvelope(ee, true, false); + sm_rpool_free(ee->e_rpool); + CurEnv = oldcur; + returndepth--; + + /* check for delivery errors */ + if (ee->e_parent == NULL || + !bitset(EF_RESPONSE, ee->e_parent->e_flags)) + return 0; + for (q = ee->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_ATTEMPTED(q->q_state)) + return 0; + } + return -1; +} +/* +** ERRBODY -- output the body of an error message. +** +** Typically this is a copy of the transcript plus a copy of the +** original offending message. +** +** Parameters: +** mci -- the mailer connection information. +** e -- the envelope we are working in. +** separator -- any possible MIME separator (unused). +** +** Returns: +** none +** +** Side Effects: +** Outputs the body of an error message. +*/ + +/* ARGSUSED2 */ +static void +errbody(mci, e, separator) + register MCI *mci; + register ENVELOPE *e; + char *separator; +{ + bool printheader; + bool sendbody; + bool pm_notify; + int save_errno; + register SM_FILE_T *xfile; + char *p; + register ADDRESS *q = NULL; + char actual[MAXLINE]; + char buf[MAXLINE]; + + if (bitset(MCIF_INHEADER, mci->mci_flags)) + { + putline("", mci); + mci->mci_flags &= ~MCIF_INHEADER; + } + if (e->e_parent == NULL) + { + syserr("errbody: null parent"); + putline(" ----- Original message lost -----\n", mci); + return; + } + + /* + ** Output MIME header. + */ + + if (e->e_msgboundary != NULL) + { + putline("This is a MIME-encapsulated message", mci); + putline("", mci); + (void) sm_strlcpyn(buf, sizeof buf, 2, "--", e->e_msgboundary); + putline(buf, mci); + putline("", mci); + } + + /* + ** Output introductory information. + */ + + pm_notify = false; + p = hvalue("subject", e->e_header); + if (p != NULL && strncmp(p, "Postmaster ", 11) == 0) + pm_notify = true; + else + { + for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_BADADDR(q->q_state)) + break; + } + } + if (!pm_notify && q == NULL && + !bitset(EF_FATALERRS|EF_SENDRECEIPT, e->e_parent->e_flags)) + { + putline(" **********************************************", + mci); + putline(" ** THIS IS A WARNING MESSAGE ONLY **", + mci); + putline(" ** YOU DO NOT NEED TO RESEND YOUR MESSAGE **", + mci); + putline(" **********************************************", + mci); + putline("", mci); + } + (void) sm_snprintf(buf, sizeof buf, + "The original message was received at %s", + arpadate(ctime(&e->e_parent->e_ctime))); + putline(buf, mci); + expand("from \201_", buf, sizeof buf, e->e_parent); + putline(buf, mci); + + /* include id in postmaster copies */ + if (pm_notify && e->e_parent->e_id != NULL) + { + (void) sm_strlcpyn(buf, sizeof buf, 2, "with id ", + e->e_parent->e_id); + putline(buf, mci); + } + putline("", mci); + + /* + ** Output error message header (if specified and available). + */ + + if (ErrMsgFile != NULL && + !bitset(EF_SENDRECEIPT, e->e_parent->e_flags)) + { + if (*ErrMsgFile == '/') + { + long sff = SFF_ROOTOK|SFF_REGONLY; + + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + if (!bitnset(DBS_ERRORHEADERINUNSAFEDIRPATH, + DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + xfile = safefopen(ErrMsgFile, O_RDONLY, 0444, sff); + if (xfile != NULL) + { + while (sm_io_fgets(xfile, SM_TIME_DEFAULT, buf, + sizeof buf) != NULL) + { + translate_dollars(buf); + expand(buf, buf, sizeof buf, e); + putline(buf, mci); + } + (void) sm_io_close(xfile, SM_TIME_DEFAULT); + putline("\n", mci); + } + } + else + { + expand(ErrMsgFile, buf, sizeof buf, e); + putline(buf, mci); + putline("", mci); + } + } + + /* + ** Output message introduction + */ + + /* permanent fatal errors */ + printheader = true; + for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) + { + if (!QS_IS_BADADDR(q->q_state) || + !bitset(QPINGONFAILURE, q->q_flags)) + continue; + + if (printheader) + { + putline(" ----- The following addresses had permanent fatal errors -----", + mci); + printheader = false; + } + + (void) sm_strlcpy(buf, shortenstring(q->q_paddr, MAXSHORTSTR), + sizeof buf); + putline(buf, mci); + if (q->q_rstatus != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + " (reason: %s)", + shortenstring(exitstat(q->q_rstatus), + MAXSHORTSTR)); + putline(buf, mci); + } + if (q->q_alias != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + " (expanded from: %s)", + shortenstring(q->q_alias->q_paddr, + MAXSHORTSTR)); + putline(buf, mci); + } + } + if (!printheader) + putline("", mci); + + /* transient non-fatal errors */ + printheader = true; + for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_BADADDR(q->q_state) || + !bitset(QPRIMARY, q->q_flags) || + !bitset(QBYNDELAY, q->q_flags) || + !bitset(QDELAYED, q->q_flags)) + continue; + + if (printheader) + { + putline(" ----- The following addresses had transient non-fatal errors -----", + mci); + printheader = false; + } + + (void) sm_strlcpy(buf, shortenstring(q->q_paddr, MAXSHORTSTR), + sizeof buf); + putline(buf, mci); + if (q->q_alias != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + " (expanded from: %s)", + shortenstring(q->q_alias->q_paddr, + MAXSHORTSTR)); + putline(buf, mci); + } + } + if (!printheader) + putline("", mci); + + /* successful delivery notifications */ + printheader = true; + for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) + { + if (QS_IS_BADADDR(q->q_state) || + !bitset(QPRIMARY, q->q_flags) || + bitset(QBYNDELAY, q->q_flags) || + bitset(QDELAYED, q->q_flags)) + continue; + else if (bitset(QBYNRELAY, q->q_flags)) + p = "Deliver-By notify: relayed"; + else if (bitset(QBYTRACE, q->q_flags)) + p = "Deliver-By trace: relayed"; + else if (!bitset(QPINGONSUCCESS, q->q_flags)) + continue; + else if (bitset(QRELAYED, q->q_flags)) + p = "relayed to non-DSN-aware mailer"; + else if (bitset(QDELIVERED, q->q_flags)) + { + if (bitset(QEXPANDED, q->q_flags)) + p = "successfully delivered to mailing list"; + else + p = "successfully delivered to mailbox"; + } + else if (bitset(QEXPANDED, q->q_flags)) + p = "expanded by alias"; + else + continue; + + if (printheader) + { + putline(" ----- The following addresses had successful delivery notifications -----", + mci); + printheader = false; + } + + (void) sm_snprintf(buf, sizeof buf, "%s (%s)", + shortenstring(q->q_paddr, MAXSHORTSTR), p); + putline(buf, mci); + if (q->q_alias != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + " (expanded from: %s)", + shortenstring(q->q_alias->q_paddr, + MAXSHORTSTR)); + putline(buf, mci); + } + } + if (!printheader) + putline("", mci); + + /* + ** Output transcript of errors + */ + + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + if (e->e_parent->e_xfp == NULL) + { + putline(" ----- Transcript of session is unavailable -----\n", + mci); + } + else + { + printheader = true; + (void) bfrewind(e->e_parent->e_xfp); + if (e->e_xfp != NULL) + (void) sm_io_flush(e->e_xfp, SM_TIME_DEFAULT); + while (sm_io_fgets(e->e_parent->e_xfp, SM_TIME_DEFAULT, buf, + sizeof buf) != NULL) + { + if (printheader) + putline(" ----- Transcript of session follows -----\n", + mci); + printheader = false; + putline(buf, mci); + } + } + errno = 0; + +#if DSN + /* + ** Output machine-readable version. + */ + + if (e->e_msgboundary != NULL) + { + putline("", mci); + (void) sm_strlcpyn(buf, sizeof buf, 2, "--", e->e_msgboundary); + putline(buf, mci); + putline("Content-Type: message/delivery-status", mci); + putline("", mci); + + /* + ** Output per-message information. + */ + + /* original envelope id from MAIL FROM: line */ + if (e->e_parent->e_envid != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "Original-Envelope-Id: %.800s", + xuntextify(e->e_parent->e_envid)); + putline(buf, mci); + } + + /* Reporting-MTA: is us (required) */ + (void) sm_snprintf(buf, sizeof buf, + "Reporting-MTA: dns; %.800s", MyHostName); + putline(buf, mci); + + /* DSN-Gateway: not relevant since we are not translating */ + + /* Received-From-MTA: shows where we got this message from */ + if (RealHostName != NULL) + { + /* XXX use $s for type? */ + if (e->e_parent->e_from.q_mailer == NULL || + (p = e->e_parent->e_from.q_mailer->m_mtatype) == NULL) + p = "dns"; + (void) sm_snprintf(buf, sizeof buf, + "Received-From-MTA: %s; %.800s", + p, RealHostName); + putline(buf, mci); + } + + /* Arrival-Date: -- when it arrived here */ + (void) sm_strlcpyn(buf, sizeof buf, 2, "Arrival-Date: ", + arpadate(ctime(&e->e_parent->e_ctime))); + putline(buf, mci); + + /* Deliver-By-Date: -- when it should have been delivered */ + if (IS_DLVR_BY(e->e_parent)) + { + time_t dbyd; + + dbyd = e->e_parent->e_ctime + e->e_parent->e_deliver_by; + (void) sm_strlcpyn(buf, sizeof buf, 2, + "Deliver-By-Date: ", + arpadate(ctime(&dbyd))); + putline(buf, mci); + } + + /* + ** Output per-address information. + */ + + for (q = e->e_parent->e_sendqueue; q != NULL; q = q->q_next) + { + char *action; + + if (QS_IS_BADADDR(q->q_state)) + { + /* RFC 1891, 6.2.6 (b) */ + if (bitset(QHASNOTIFY, q->q_flags) && + !bitset(QPINGONFAILURE, q->q_flags)) + continue; + action = "failed"; + } + else if (!bitset(QPRIMARY, q->q_flags)) + continue; + else if (bitset(QDELIVERED, q->q_flags)) + { + if (bitset(QEXPANDED, q->q_flags)) + action = "delivered (to mailing list)"; + else + action = "delivered (to mailbox)"; + } + else if (bitset(QRELAYED, q->q_flags)) + action = "relayed (to non-DSN-aware mailer)"; + else if (bitset(QEXPANDED, q->q_flags)) + action = "expanded (to multi-recipient alias)"; + else if (bitset(QDELAYED, q->q_flags)) + action = "delayed"; + else if (bitset(QBYTRACE, q->q_flags)) + action = "relayed (Deliver-By trace mode)"; + else if (bitset(QBYNDELAY, q->q_flags)) + action = "delayed (Deliver-By notify mode)"; + else if (bitset(QBYNRELAY, q->q_flags)) + action = "relayed (Deliver-By notify mode)"; + else + continue; + + putline("", mci); + + /* Original-Recipient: -- passed from on high */ + if (q->q_orcpt != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "Original-Recipient: %.800s", + q->q_orcpt); + putline(buf, mci); + } + + /* Figure out actual recipient */ + actual[0] = '\0'; + if (q->q_user[0] != '\0') + { + if (q->q_mailer != NULL && + q->q_mailer->m_addrtype != NULL) + p = q->q_mailer->m_addrtype; + else + p = "rfc822"; + + if (sm_strcasecmp(p, "rfc822") == 0 && + strchr(q->q_user, '@') == NULL) + { + (void) sm_snprintf(actual, + sizeof actual, + "%s; %.700s@%.100s", + p, q->q_user, + MyHostName); + } + else + { + (void) sm_snprintf(actual, + sizeof actual, + "%s; %.800s", + p, q->q_user); + } + } + + /* Final-Recipient: -- the name from the RCPT command */ + if (q->q_finalrcpt == NULL) + { + /* should never happen */ + sm_syslog(LOG_ERR, e->e_id, + "returntosender: q_finalrcpt is NULL"); + + /* try to fall back to the actual recipient */ + if (actual[0] != '\0') + q->q_finalrcpt = sm_rpool_strdup_x(e->e_rpool, + actual); + } + + if (q->q_finalrcpt != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "Final-Recipient: %s", + q->q_finalrcpt); + putline(buf, mci); + } + + /* X-Actual-Recipient: -- the real problem address */ + if (actual[0] != '\0' && + q->q_finalrcpt != NULL && +#if _FFR_PRIV_NOACTUALRECIPIENT + !bitset(PRIV_NOACTUALRECIPIENT, PrivacyFlags) && +#endif /* _FFR_PRIV_NOACTUALRECIPIENT */ + strcmp(actual, q->q_finalrcpt) != 0) + { + (void) sm_snprintf(buf, sizeof buf, + "X-Actual-Recipient: %s", + actual); + putline(buf, mci); + } + + /* Action: -- what happened? */ + (void) sm_strlcpyn(buf, sizeof buf, 2, "Action: ", + action); + putline(buf, mci); + + /* Status: -- what _really_ happened? */ + if (q->q_status != NULL) + p = q->q_status; + else if (QS_IS_BADADDR(q->q_state)) + p = "5.0.0"; + else if (QS_IS_QUEUEUP(q->q_state)) + p = "4.0.0"; + else + p = "2.0.0"; + (void) sm_strlcpyn(buf, sizeof buf, 2, "Status: ", p); + putline(buf, mci); + + /* Remote-MTA: -- who was I talking to? */ + if (q->q_statmta != NULL) + { + if (q->q_mailer == NULL || + (p = q->q_mailer->m_mtatype) == NULL) + p = "dns"; + (void) sm_snprintf(buf, sizeof buf, + "Remote-MTA: %s; %.800s", + p, q->q_statmta); + p = &buf[strlen(buf) - 1]; + if (*p == '.') + *p = '\0'; + putline(buf, mci); + } + + /* Diagnostic-Code: -- actual result from other end */ + if (q->q_rstatus != NULL) + { + p = q->q_mailer->m_diagtype; + if (p == NULL) + p = "smtp"; + (void) sm_snprintf(buf, sizeof buf, + "Diagnostic-Code: %s; %.800s", + p, q->q_rstatus); + putline(buf, mci); + } + + /* Last-Attempt-Date: -- fine granularity */ + if (q->q_statdate == (time_t) 0L) + q->q_statdate = curtime(); + (void) sm_strlcpyn(buf, sizeof buf, 2, + "Last-Attempt-Date: ", + arpadate(ctime(&q->q_statdate))); + putline(buf, mci); + + /* Will-Retry-Until: -- for delayed messages only */ + if (QS_IS_QUEUEUP(q->q_state)) + { + time_t xdate; + + xdate = e->e_parent->e_ctime + + TimeOuts.to_q_return[e->e_parent->e_timeoutclass]; + (void) sm_strlcpyn(buf, sizeof buf, 2, + "Will-Retry-Until: ", + arpadate(ctime(&xdate))); + putline(buf, mci); + } + } + } +#endif /* DSN */ + + /* + ** Output text of original message + */ + + putline("", mci); + if (bitset(EF_HAS_DF, e->e_parent->e_flags)) + { + sendbody = !bitset(EF_NO_BODY_RETN, e->e_parent->e_flags) && + !bitset(EF_NO_BODY_RETN, e->e_flags); + + if (e->e_msgboundary == NULL) + { + if (sendbody) + putline(" ----- Original message follows -----\n", mci); + else + putline(" ----- Message header follows -----\n", mci); + } + else + { + (void) sm_strlcpyn(buf, sizeof buf, 2, "--", + e->e_msgboundary); + + putline(buf, mci); + (void) sm_strlcpyn(buf, sizeof buf, 2, "Content-Type: ", + sendbody ? "message/rfc822" + : "text/rfc822-headers"); + putline(buf, mci); + + p = hvalue("Content-Transfer-Encoding", + e->e_parent->e_header); + if (p != NULL && sm_strcasecmp(p, "binary") != 0) + p = NULL; + if (p == NULL && + bitset(EF_HAS8BIT, e->e_parent->e_flags)) + p = "8bit"; + if (p != NULL) + { + (void) sm_snprintf(buf, sizeof buf, + "Content-Transfer-Encoding: %s", + p); + putline(buf, mci); + } + } + putline("", mci); + save_errno = errno; + putheader(mci, e->e_parent->e_header, e->e_parent, M87F_OUTER); + errno = save_errno; + if (sendbody) + putbody(mci, e->e_parent, e->e_msgboundary); + else if (e->e_msgboundary == NULL) + { + putline("", mci); + putline(" ----- Message body suppressed -----", mci); + } + } + else if (e->e_msgboundary == NULL) + { + putline(" ----- No message was collected -----\n", mci); + } + + if (e->e_msgboundary != NULL) + { + putline("", mci); + (void) sm_strlcpyn(buf, sizeof buf, 3, "--", e->e_msgboundary, + "--"); + putline(buf, mci); + } + putline("", mci); + (void) sm_io_flush(mci->mci_out, SM_TIME_DEFAULT); + + /* + ** Cleanup and exit + */ + + if (errno != 0) + syserr("errbody: I/O error"); +} +/* +** SMTPTODSN -- convert SMTP to DSN status code +** +** Parameters: +** smtpstat -- the smtp status code (e.g., 550). +** +** Returns: +** The DSN version of the status code. +** +** Storage Management: +** smtptodsn() returns a pointer to a character string literal, +** which will remain valid forever, and thus does not need to +** be copied. Current code relies on this property. +*/ + +char * +smtptodsn(smtpstat) + int smtpstat; +{ + if (smtpstat < 0) + return "4.4.2"; + + switch (smtpstat) + { + case 450: /* Req mail action not taken: mailbox unavailable */ + return "4.2.0"; + + case 451: /* Req action aborted: local error in processing */ + return "4.3.0"; + + case 452: /* Req action not taken: insufficient sys storage */ + return "4.3.1"; + + case 500: /* Syntax error, command unrecognized */ + return "5.5.2"; + + case 501: /* Syntax error in parameters or arguments */ + return "5.5.4"; + + case 502: /* Command not implemented */ + return "5.5.1"; + + case 503: /* Bad sequence of commands */ + return "5.5.1"; + + case 504: /* Command parameter not implemented */ + return "5.5.4"; + + case 550: /* Req mail action not taken: mailbox unavailable */ + return "5.2.0"; + + case 551: /* User not local; please try <...> */ + return "5.1.6"; + + case 552: /* Req mail action aborted: exceeded storage alloc */ + return "5.2.2"; + + case 553: /* Req action not taken: mailbox name not allowed */ + return "5.1.0"; + + case 554: /* Transaction failed */ + return "5.0.0"; + } + + if ((smtpstat / 100) == 2) + return "2.0.0"; + if ((smtpstat / 100) == 4) + return "4.0.0"; + return "5.0.0"; +} +/* +** XTEXTIFY -- take regular text and turn it into DSN-style xtext +** +** Parameters: +** t -- the text to convert. +** taboo -- additional characters that must be encoded. +** +** Returns: +** The xtext-ified version of the same string. +*/ + +char * +xtextify(t, taboo) + register char *t; + char *taboo; +{ + register char *p; + int l; + int nbogus; + static char *bp = NULL; + static int bplen = 0; + + if (taboo == NULL) + taboo = ""; + + /* figure out how long this xtext will have to be */ + nbogus = l = 0; + for (p = t; *p != '\0'; p++) + { + register int c = (*p & 0xff); + + /* ASCII dependence here -- this is the way the spec words it */ + if (c < '!' || c > '~' || c == '+' || c == '\\' || c == '(' || + strchr(taboo, c) != NULL) + nbogus++; + l++; + } + if (nbogus < 0) + { + /* since nbogus is ssize_t and wrapped, 2 * size_t would wrap */ + syserr("!xtextify string too long"); + } + if (nbogus == 0) + return t; + l += nbogus * 2 + 1; + + /* now allocate space if necessary for the new string */ + if (l > bplen) + { + if (bp != NULL) + sm_free(bp); /* XXX */ + bp = sm_pmalloc_x(l); + bplen = l; + } + + /* ok, copy the text with byte expansion */ + for (p = bp; *t != '\0'; ) + { + register int c = (*t++ & 0xff); + + /* ASCII dependence here -- this is the way the spec words it */ + if (c < '!' || c > '~' || c == '+' || c == '\\' || c == '(' || + strchr(taboo, c) != NULL) + { + *p++ = '+'; + *p++ = "0123456789ABCDEF"[c >> 4]; + *p++ = "0123456789ABCDEF"[c & 0xf]; + } + else + *p++ = c; + } + *p = '\0'; + return bp; +} +/* +** XUNTEXTIFY -- take xtext and turn it into plain text +** +** Parameters: +** t -- the xtextified text. +** +** Returns: +** The decoded text. No attempt is made to deal with +** null strings in the resulting text. +*/ + +char * +xuntextify(t) + register char *t; +{ + register char *p; + int l; + static char *bp = NULL; + static int bplen = 0; + + /* heuristic -- if no plus sign, just return the input */ + if (strchr(t, '+') == NULL) + return t; + + /* xtext is always longer than decoded text */ + l = strlen(t); + if (l > bplen) + { + if (bp != NULL) + sm_free(bp); /* XXX */ + bp = xalloc(l); + bplen = l; + } + + /* ok, copy the text with byte compression */ + for (p = bp; *t != '\0'; t++) + { + register int c = *t & 0xff; + + if (c != '+') + { + *p++ = c; + continue; + } + + c = *++t & 0xff; + if (!isascii(c) || !isxdigit(c)) + { + /* error -- first digit is not hex */ + usrerr("bogus xtext: +%c", c); + t--; + continue; + } + if (isdigit(c)) + c -= '0'; + else if (isupper(c)) + c -= 'A' - 10; + else + c -= 'a' - 10; + *p = c << 4; + + c = *++t & 0xff; + if (!isascii(c) || !isxdigit(c)) + { + /* error -- second digit is not hex */ + usrerr("bogus xtext: +%x%c", *p >> 4, c); + t--; + continue; + } + if (isdigit(c)) + c -= '0'; + else if (isupper(c)) + c -= 'A' - 10; + else + c -= 'a' - 10; + *p++ |= c; + } + *p = '\0'; + return bp; +} +/* +** XTEXTOK -- check if a string is legal xtext +** +** Xtext is used in Delivery Status Notifications. The spec was +** taken from RFC 1891, ``SMTP Service Extension for Delivery +** Status Notifications''. +** +** Parameters: +** s -- the string to check. +** +** Returns: +** true -- if 's' is legal xtext. +** false -- if it has any illegal characters in it. +*/ + +bool +xtextok(s) + char *s; +{ + int c; + + while ((c = *s++) != '\0') + { + if (c == '+') + { + c = *s++; + if (!isascii(c) || !isxdigit(c)) + return false; + c = *s++; + if (!isascii(c) || !isxdigit(c)) + return false; + } + else if (c < '!' || c > '~' || c == '=') + return false; + } + return true; +} +/* +** PRUNEROUTE -- prune an RFC-822 source route +** +** Trims down a source route to the last internet-registered hop. +** This is encouraged by RFC 1123 section 5.3.3. +** +** Parameters: +** addr -- the address +** +** Returns: +** true -- address was modified +** false -- address could not be pruned +** +** Side Effects: +** modifies addr in-place +*/ + +static bool +pruneroute(addr) + char *addr; +{ +#if NAMED_BIND + char *start, *at, *comma; + char c; + int braclev; + int rcode; + int i; + char hostbuf[BUFSIZ]; + char *mxhosts[MAXMXHOSTS + 1]; + + /* check to see if this is really a route-addr */ + if (*addr != '<' || addr[1] != '@' || addr[strlen(addr) - 1] != '>') + return false; + + /* + ** Can't simply find the first ':' is the address might be in the + ** form: "<@[IPv6:::1]:user@host>" and the first ':' in inside + ** the IPv6 address. + */ + + start = addr; + braclev = 0; + while (*start != '\0') + { + if (*start == ':' && braclev <= 0) + break; + else if (*start == '[') + braclev++; + else if (*start == ']' && braclev > 0) + braclev--; + start++; + } + if (braclev > 0 || *start != ':') + return false; + + at = strrchr(addr, '@'); + if (at == NULL || at < start) + return false; + + /* slice off the angle brackets */ + i = strlen(at + 1); + if (i >= sizeof hostbuf) + return false; + (void) sm_strlcpy(hostbuf, at + 1, sizeof hostbuf); + hostbuf[i - 1] = '\0'; + + while (start != NULL) + { + if (getmxrr(hostbuf, mxhosts, NULL, false, + &rcode, true, NULL) > 0) + { + (void) sm_strlcpy(addr + 1, start + 1, + strlen(addr) - 1); + return true; + } + c = *start; + *start = '\0'; + comma = strrchr(addr, ','); + if (comma != NULL && comma[1] == '@' && + strlen(comma + 2) < sizeof hostbuf) + (void) sm_strlcpy(hostbuf, comma + 2, sizeof hostbuf); + else + comma = NULL; + *start = c; + start = comma; + } +#endif /* NAMED_BIND */ + return false; +} diff --git a/contrib/sendmail-8.13.4/sendmail/sendmail.8 b/contrib/sendmail-8.13.4/sendmail/sendmail.8 new file mode 100644 index 0000000000..2d0284abe5 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sendmail.8 @@ -0,0 +1,748 @@ +.\" Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1983, 1997 Eric P. Allman. All rights reserved. +.\" Copyright (c) 1988, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: sendmail.8,v 8.57 2003/12/01 17:02:41 ca Exp $ +.\" +.TH SENDMAIL 8 "$Date: 2003/12/01 17:02:41 $" +.SH NAME +sendmail +\- an electronic mail transport agent +.SH SYNOPSIS +.B sendmail +.RI [ flags "] [" "address ..." ] +.br +.B newaliases +.br +.B mailq +.RB [ \-v ] +.br +.B hoststat +.br +.B purgestat +.br +.B smtpd +.SH DESCRIPTION +.B Sendmail +sends a message to one or more +.I recipients, +routing the message over whatever networks +are necessary. +.B Sendmail +does internetwork forwarding as necessary +to deliver the message to the correct place. +.PP +.B Sendmail +is not intended as a user interface routine; +other programs provide user-friendly +front ends; +.B sendmail +is used only to deliver pre-formatted messages. +.PP +With no flags, +.B sendmail +reads its standard input +up to an end-of-file +or a line consisting only of a single dot +and sends a copy of the message found there +to all of the addresses listed. +It determines the network(s) to use +based on the syntax and contents of the addresses. +.PP +Local addresses are looked up in a file +and aliased appropriately. +Aliasing can be prevented by preceding the address +with a backslash. +Beginning with 8.10, the sender is included in any alias +expansions, e.g., +if `john' sends to `group', +and `group' includes `john' in the expansion, +then the letter will also be delivered to `john'. +.SS Parameters +.TP +.B \-Ac +Use submit.cf even if the operation mode does not indicate +an initial mail submission. +.TP +.B \-Am +Use sendmail.cf even if the operation mode indicates +an initial mail submission. +.TP +.BI \-B type +Set the body type to +.IR type . +Current legal values are +7BIT +or +8BITMIME. +.TP +.B \-ba +Go into +ARPANET +mode. All input lines must end with a CR-LF, +and all messages will be generated with a CR-LF at the end. +Also, +the ``From:'' and ``Sender:'' +fields are examined for the name of the sender. +.TP +.B \-bd +Run as a daemon. +.B Sendmail +will fork and run in background +listening on socket 25 for incoming +SMTP +connections. +This is normally run from +/etc/rc. +.TP +.B \-bD +Same as +.B \-bd +except runs in foreground. +.TP +.B \-bh +Print the persistent host status database. +.TP +.B \-bH +Purge expired entries from the persistent host status database. +.TP +.B \-bi +Initialize the alias database. +.TP +.B \-bm +Deliver mail in the usual way (default). +.TP +.B \-bp +Print a listing of the queue(s). +.TP +.B \-bP +Print number of entries in the queue(s); +only available with shared memory support. +.TP +.B \-bs +Use the +SMTP +protocol as described in +RFC821 +on standard input and output. +This flag implies all the operations of the +.B \-ba +flag that are compatible with +SMTP. +.TP +.B \-bt +Run in address test mode. +This mode reads addresses and shows the steps in parsing; +it is used for debugging configuration tables. +.TP +.B \-bv +Verify names only \- do not try to collect or deliver a message. +Verify mode is normally used for validating +users or mailing lists. +.TP +.BI \-C file +Use alternate configuration file. +.B Sendmail +gives up any enhanced (set-user-ID or set-group-ID) privileges +if an alternate configuration file is specified. +.TP +.BI "\-D " logfile +Send debugging output to the indicated log file instead of stdout. +.TP +.BI \-d category . level... +Set the debugging flag for +.I category +to +.IR level . +.I Category +is either an integer or a name specifying the topic, and +.I level +an integer specifying the level of debugging output desired. +Higher levels generally mean more output. +More than one flag can be specified by separating them with commas. +A list of numeric debugging categories can be found in the TRACEFLAGS file +in the sendmail source distribution. +.br +The option +.B \-d0.1 +prints the version of +.B sendmail +and the options it was compiled with. +.br +Most other categories are only useful with, and documented in, +.BR sendmail 's +source code. +.ne 1i +.TP +.BI \-F fullname +Set the full name of the sender. +.TP +.BI \-f name +Sets the name of the ``from'' person +(i.e., the envelope sender of the mail). +This address may also be used in the From: header +if that header is missing during initial submission. +The envelope sender address is used as the recipient +for delivery status notifications +and may also appear in a Return-Path: header. +.B \-f +should only be used +by ``trusted'' users +(normally +.IR root ", " daemon , +and +.IR network ) +or if the person you are trying to become +is the same as the person you are. +Otherwise, +an X-Authentication-Warning header +will be added to the message. +.TP +.BI \-G +Relay (gateway) submission of a message, +e.g., when +.BR rmail +calls +.B sendmail . +.TP +.BI \-h N +Set the hop count to +.IR N . +The hop count is incremented every time the mail is +processed. +When it reaches a limit, +the mail is returned with an error message, +the victim of an aliasing loop. +If not specified, +``Received:'' lines in the message are counted. +.TP +.B \-i +Ignore dots alone on lines by themselves in incoming messages. +This should be set if you are reading data from a file. +.TP +.BI "\-L " tag +Set the identifier used in syslog messages to the supplied +.IR tag . +.TP +.BI "\-N " dsn +Set delivery status notification conditions to +.IR dsn , +which can be +`never' +for no notifications +or a comma separated list of the values +`failure' +to be notified if delivery failed, +`delay' +to be notified if delivery is delayed, and +`success' +to be notified when the message is successfully delivered. +.TP +.B \-n +Don't do aliasing. +.TP +\fB\-O\fP \fIoption\fR=\fIvalue\fR +Set option +.I option +to the specified +.IR value . +This form uses long names. See below for more details. +.TP +.BI \-o "x value" +Set option +.I x +to the specified +.IR value . +This form uses single character names only. +The short names are not described in this manual page; +see the +.I "Sendmail Installation and Operation Guide" +for details. +.TP +.BI \-p protocol +Set the name of the protocol used to receive the message. +This can be a simple protocol name such as ``UUCP'' +or a protocol and hostname, such as ``UUCP:ucbvax''. +.TP +\fB\-q\fR[\fItime\fR] +Process saved messages in the queue at given intervals. +If +.I time +is omitted, process the queue once. +.I Time +is given as a tagged number, +with +`s' +being seconds, +`m' +being minutes (default), +`h' +being hours, +`d' +being days, +and +`w' +being weeks. +For example, +`\-q1h30m' +or +`\-q90m' +would both set the timeout to one hour thirty minutes. +By default, +.B sendmail +will run in the background. +This option can be used safely with +.BR \-bd . +.TP +\fB\-qp\fR[\fItime\fR] +Similar to \fB\-q\fItime\fR, +except that instead of periodically forking a child to process the queue, +sendmail forks a single persistent child for each queue +that alternates between processing the queue and sleeping. +The sleep time is given as the argument; it defaults to 1 second. +The process will always sleep at least 5 seconds if the queue was +empty in the previous queue run. +.TP +\fB\-q\fRf +Process saved messages in the queue once and do not fork(), +but run in the foreground. +.TP +\fB\-q\fRG name +Process jobs in queue group called +.I name +only. +.TP +\fB\-q\fR[\fI!\fR]I\fIsubstr\fR +Limit processed jobs to those containing +.I substr +as a substring of the queue id or not when +.I ! +is specified. +.TP +\fB\-q\fR[\fI!\fR]Q\fIsubstr\fR +Limit processed jobs to quarantined jobs containing +.I substr +as a substring of the quarantine reason or not when +.I ! +is specified. +.TP +\fB\-q\fR[\fI!\fR]R\fIsubstr\fR +Limit processed jobs to those containing +.I substr +as a substring of one of the recipients or not when +.I ! +is specified. +.TP +\fB\-q\fR[\fI!\fR]S\fIsubstr\fR +Limit processed jobs to those containing +.I substr +as a substring of the sender or not when +.I ! +is specified. +.TP +\fB\-Q\fR[reason] +Quarantine a normal queue items with the given reason or +unquarantine quarantined queue items if no reason is given. +This should only be used with some sort of item matching using +as described above. +.TP +.BI "\-R " return +Set the amount of the message to be returned +if the message bounces. +The +.I return +parameter can be +`full' +to return the entire message or +`hdrs' +to return only the headers. +In the latter case also local bounces return only the headers. +.TP +.BI \-r name +An alternate and obsolete form of the +.B \-f +flag. +.TP +.B \-t +Read message for recipients. +To:, Cc:, and Bcc: lines will be scanned for recipient addresses. +The Bcc: line will be deleted before transmission. +.TP +.BI "\-V " envid +Set the original envelope id. +This is propagated across SMTP to servers that support DSNs +and is returned in DSN-compliant error messages. +.TP +.B \-v +Go into verbose mode. +Alias expansions will be announced, etc. +.TP +.BI "\-X " logfile +Log all traffic in and out of mailers in the indicated log file. +This should only be used as a last resort +for debugging mailer bugs. +It will log a lot of data very quickly. +.TP +.B \-\- +Stop processing command flags and use the rest of the arguments as +addresses. +.SS Options +There are also a number of processing options that may be set. +Normally these will only be used by a system administrator. +Options may be set either on the command line +using the +.B \-o +flag (for short names), the +.B \-O +flag (for long names), +or in the configuration file. +This is a partial list limited to those options that are likely to be useful +on the command line +and only shows the long names; +for a complete list (and details), consult the +.IR "Sendmail Installation and Operation Guide" . +The options are: +.TP +.RI AliasFile= file +Use alternate alias file. +.TP +HoldExpensive +On mailers that are considered ``expensive'' to connect to, +don't initiate immediate connection. +This requires queueing. +.TP +.RI CheckpointInterval= N +Checkpoint the queue file after every +.I N +successful deliveries (default 10). +This avoids excessive duplicate deliveries +when sending to long mailing lists +interrupted by system crashes. +.ne 1i +.TP +.RI DeliveryMode= x +Set the delivery mode to +.IR x . +Delivery modes are +`i' +for interactive (synchronous) delivery, +`b' +for background (asynchronous) delivery, +`q' +for queue only \- i.e., +actual delivery is done the next time the queue is run, and +`d' +for deferred \- the same as +`q' +except that database lookups for maps which have set the \-D option +(default for the host map) are avoided. +.TP +.RI ErrorMode= x +Set error processing to mode +.IR x . +Valid modes are +`m' +to mail back the error message, +`w' +to ``write'' +back the error message +(or mail it back if the sender is not logged in), +`p' +to print the errors on the terminal +(default), +`q' +to throw away error messages +(only exit status is returned), +and +`e' +to do special processing for the BerkNet. +If the text of the message is not mailed back +by +modes +`m' +or +`w' +and if the sender is local to this machine, +a copy of the message is appended to the file +.I dead.letter +in the sender's home directory. +.TP +SaveFromLine +Save +UNIX-style +From lines at the front of messages. +.TP +.RI MaxHopCount= N +The maximum number of times a message is allowed to ``hop'' +before we decide it is in a loop. +.TP +IgnoreDots +Do not take dots on a line by themselves +as a message terminator. +.TP +SendMimeErrors +Send error messages in MIME format. +If not set, the DSN (Delivery Status Notification) SMTP extension +is disabled. +.TP +.RI ConnectionCacheTimeout= timeout +Set connection cache timeout. +.TP +.RI ConnectionCacheSize= N +Set connection cache size. +.TP +.RI LogLevel= n +The log level. +.TP +.RI MeToo= False +Don't send to ``me'' (the sender) if I am in an alias expansion. +.TP +CheckAliases +Validate the right hand side of aliases during a +newaliases(1) +command. +.TP +OldStyleHeaders +If set, this message may have +old style headers. +If not set, +this message is guaranteed to have new style headers +(i.e., commas instead of spaces between addresses). +If set, an adaptive algorithm is used that will correctly +determine the header format in most cases. +.TP +.RI QueueDirectory= queuedir +Select the directory in which to queue messages. +.TP +.RI StatusFile= file +Save statistics in the named file. +.TP +.RI Timeout.queuereturn= time +Set the timeout on undelivered messages in the queue to the specified time. +After delivery has failed +(e.g., because of a host being down) +for this amount of time, +failed messages will be returned to the sender. +The default is five days. +.TP +.RI UserDatabaseSpec= userdatabase +If set, a user database is consulted to get forwarding information. +You can consider this an adjunct to the aliasing mechanism, +except that the database is intended to be distributed; +aliases are local to a particular host. +This may not be available if your sendmail does not have the +USERDB +option compiled in. +.TP +ForkEachJob +Fork each job during queue runs. +May be convenient on memory-poor machines. +.TP +SevenBitInput +Strip incoming messages to seven bits. +.TP +.RI EightBitMode= mode +Set the handling of eight bit input to seven bit destinations to +.IR mode : +m +(mimefy) will convert to seven-bit MIME format, +p +(pass) will pass it as eight bits (but violates protocols), +and +s +(strict) will bounce the message. +.TP +.RI MinQueueAge= timeout +Sets how long a job must ferment in the queue between attempts to send it. +.TP +.RI DefaultCharSet= charset +Sets the default character set used to label 8-bit data +that is not otherwise labelled. +.TP +.RI DialDelay= sleeptime +If opening a connection fails, +sleep for +.I sleeptime +seconds and try again. +Useful on dial-on-demand sites. +.TP +.RI NoRecipientAction= action +Set the behaviour when there are no recipient headers (To:, Cc: or +Bcc:) in the message to +.IR action : +none +leaves the message unchanged, +add-to +adds a To: header with the envelope recipients, +add-apparently-to +adds an Apparently-To: header with the envelope recipients, +add-bcc +adds an empty Bcc: header, and +add-to-undisclosed +adds a header reading +`To: undisclosed-recipients:;'. +.TP +.RI MaxDaemonChildren= N +Sets the maximum number of children that an incoming SMTP daemon +will allow to spawn at any time to +.IR N . +.TP +.RI ConnectionRateThrottle= N +Sets the maximum number of connections per second to the SMTP port to +.IR N . +.PP +In aliases, +the first character of a name may be +a vertical bar to cause interpretation of +the rest of the name as a command +to pipe the mail to. +It may be necessary to quote the name +to keep +.B sendmail +from suppressing the blanks from between arguments. +For example, a common alias is: +.IP +msgs: "|/usr/bin/msgs -s" +.PP +Aliases may also have the syntax +.RI ``:include: filename '' +to ask +.B sendmail +to read the named file for a list of recipients. +For example, an alias such as: +.IP +poets: ":include:/usr/local/lib/poets.list" +.PP +would read +.I /usr/local/lib/poets.list +for the list of addresses making up the group. +.PP +.B Sendmail +returns an exit status +describing what it did. +The codes are defined in +.RI < sysexits.h >: +.TP +EX_OK +Successful completion on all addresses. +.TP +EX_NOUSER +User name not recognized. +.TP +EX_UNAVAILABLE +Catchall meaning necessary resources +were not available. +.TP +EX_SYNTAX +Syntax error in address. +.TP +EX_SOFTWARE +Internal software error, +including bad arguments. +.TP +EX_OSERR +Temporary operating system error, +such as +``cannot fork''. +.TP +EX_NOHOST +Host name not recognized. +.TP +EX_TEMPFAIL +Message could not be sent immediately, +but was queued. +.PP +If invoked as +.BR newaliases , +.B sendmail +will rebuild the alias database. If invoked as +.BR mailq , +.B sendmail +will print the contents of the mail queue. +If invoked as +.BR hoststat , +.B sendmail +will print the persistent host status database. +If invoked as +.BR purgestat , +.B sendmail +will purge expired entries from the persistent host status database. +If invoked as +.BR smtpd , +.B sendmail +will act as a daemon, as if the +.B \-bd +option were specified. +.SH NOTES +.B sendmail +often gets blamed for many problems +that are actually the result of other problems, +such as overly permissive modes on directories. +For this reason, +.B sendmail +checks the modes on system directories and files +to determine if they can be trusted. +Although these checks can be turned off +and your system security reduced by setting the +.BR DontBlameSendmail +option, +the permission problems should be fixed. +For more information, see: + +.I http://www.sendmail.org/tips/DontBlameSendmail.html +.SH FILES +Except for the file +.I /etc/mail/sendmail.cf +itself the following pathnames are all specified in +.IR /etc/mail/sendmail.cf . +Thus, +these values are only approximations. +.PP +.TP + /etc/mail/aliases +raw data for alias names +.TP + /etc/mail/aliases.db +data base of alias names +.TP + /etc/mail/sendmail.cf +configuration file +.TP + /etc/mail/helpfile +help file +.TP + /etc/mail/statistics +collected statistics +.TP + /var/spool/mqueue/* +temp files +.SH SEE ALSO +binmail(1), +mail(1), +rmail(1), +syslog(3), +aliases(5), +mailaddr(7), +rc(8) +.PP +DARPA +Internet Request For Comments +.IR RFC819 , +.IR RFC821 , +.IR RFC822 . +.IR "Sendmail Installation and Operation Guide" , +No. 8, SMM. +.PP +http://www.sendmail.org/ +.SH HISTORY +The +.B sendmail +command appeared in +4.2BSD. diff --git a/contrib/sendmail-8.13.4/sendmail/sendmail.h b/contrib/sendmail-8.13.4/sendmail/sendmail.h new file mode 100644 index 0000000000..ea48a75857 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sendmail.h @@ -0,0 +1,2607 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +/* +** SENDMAIL.H -- MTA-specific definitions for sendmail. +*/ + +#ifndef _SENDMAIL_H +# define _SENDMAIL_H 1 + +#ifndef MILTER +# define MILTER 1 /* turn on MILTER by default */ +#endif /* MILTER */ + +#ifdef _DEFINE +# define EXTERN +#else /* _DEFINE */ +# define EXTERN extern +#endif /* _DEFINE */ + + +#include + +#include +#include +#include +#include +#include +#include +#include +# ifdef EX_OK +# undef EX_OK /* for SVr4.2 SMP */ +# endif /* EX_OK */ + +#include "sendmail/sendmail.h" + +/* profiling? */ +#if MONCONTROL +# define SM_PROF(x) moncontrol(x) +#else /* MONCONTROL */ +# define SM_PROF(x) +#endif /* MONCONTROL */ + +#ifdef _DEFINE +# ifndef lint +SM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.993 2005/03/07 18:03:17 ca Exp $"; +# endif /* ! lint */ +#endif /* _DEFINE */ + +#include "bf.h" +#include "timers.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef LOG +# include +#endif /* LOG */ + + + +# if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 +# include +# endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */ +# if NETUNIX +# include +# endif /* NETUNIX */ +# if NETINET || NETINET6 +# include +# endif /* NETINET || NETINET6 */ +# if NETINET6 +/* +** There is no standard yet for IPv6 includes. +** Specify OS specific implementation in conf.h +*/ +# endif /* NETINET6 */ +# if NETISO +# include +# endif /* NETISO */ +# if NETNS +# include +# endif /* NETNS */ +# if NETX25 +# include +# endif /* NETX25 */ + +# if NAMED_BIND +# include +# ifdef NOERROR +# undef NOERROR /* avoid conflict */ +# endif /* NOERROR */ +# include +# else /* NAMED_BIND */ +# undef SM_SET_H_ERRNO +# define SM_SET_H_ERRNO(err) +# endif /* NAMED_BIND */ + +# if HESIOD +# include +# if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) +# define HESIOD_INIT /* support for the new interface */ +# endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */ +# endif /* HESIOD */ + +#if STARTTLS +# include +# if !TLS_NO_RSA +# define RSA_KEYLENGTH 512 +# endif /* !TLS_NO_RSA */ +#endif /* STARTTLS */ + +#if SASL /* include the sasl include files if we have them */ + + +# if SASL == 2 || SASL >= 20000 +# include +# include +# else /* SASL == 2 || SASL >= 20000 */ +# include +# include +# endif /* SASL == 2 || SASL >= 20000 */ +# if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) +# define SASL_VERSION (SASL_VERSION_MAJOR * 10000) + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP +# if SASL == 1 || SASL == 2 +# undef SASL +# define SASL SASL_VERSION +# else /* SASL == 1 || SASL == 2 */ +# if SASL != SASL_VERSION + ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION) + ERROR README: see README! +# endif /* SASL != SASL_VERSION */ +# endif /* SASL == 1 || SASL == 2 */ +# else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */ +# if SASL == 1 + ERROR README: please set -DSASL to the version of the CYRUS_SASL library + ERROR README: see README! +# endif /* SASL == 1 */ +# endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */ +#endif /* SASL */ + +/* +** Following are "sort of" configuration constants, but they should +** be pretty solid on most architectures today. They have to be +** defined after because some versions of that +** file also define them. In all cases, we can't use sizeof because +** some systems (e.g., Crays) always treat everything as being at +** least 64 bits. +*/ + +#ifndef INADDRSZ +# define INADDRSZ 4 /* size of an IPv4 address in bytes */ +#endif /* ! INADDRSZ */ +#ifndef IN6ADDRSZ +# define IN6ADDRSZ 16 /* size of an IPv6 address in bytes */ +#endif /* ! IN6ADDRSZ */ +#ifndef INT16SZ +# define INT16SZ 2 /* size of a 16 bit integer in bytes */ +#endif /* ! INT16SZ */ +#ifndef INT32SZ +# define INT32SZ 4 /* size of a 32 bit integer in bytes */ +#endif /* ! INT32SZ */ +#ifndef INADDR_LOOPBACK +# define INADDR_LOOPBACK 0x7f000001 /* loopback address */ +#endif /* ! INADDR_LOOPBACK */ + +/* +** Error return from inet_addr(3), in case not defined in /usr/include. +*/ + +#ifndef INADDR_NONE +# define INADDR_NONE 0xffffffff +#endif /* ! INADDR_NONE */ + + +/* (f)open() modes for queue files */ +# define QF_O_EXTRA 0 + + +/* +** An 'argument class' describes the storage allocation status +** of an object pointed to by an argument to a function. +*/ + +typedef enum +{ + A_HEAP, /* the storage was allocated by malloc, and the + * ownership of the storage is ceded by the caller + * to the called function. */ + A_TEMP, /* The storage is temporary, and is only guaranteed + * to be valid for the duration of the function call. */ + A_PERM /* The storage is 'permanent': this might mean static + * storage, or rpool storage. */ +} ARGCLASS_T; + +/* forward references for prototypes */ +typedef struct envelope ENVELOPE; +typedef struct mailer MAILER; +typedef struct queuegrp QUEUEGRP; + +/* +** Address structure. +** Addresses are stored internally in this structure. +*/ + +struct address +{ + char *q_paddr; /* the printname for the address */ + char *q_user; /* user name */ + char *q_ruser; /* real user name, or NULL if q_user */ + char *q_host; /* host name */ + struct mailer *q_mailer; /* mailer to use */ + unsigned long q_flags; /* status flags, see below */ + uid_t q_uid; /* user-id of receiver (if known) */ + gid_t q_gid; /* group-id of receiver (if known) */ + char *q_home; /* home dir (local mailer only) */ + char *q_fullname; /* full name if known */ + struct address *q_next; /* chain */ + struct address *q_alias; /* address this results from */ + char *q_owner; /* owner of q_alias */ + struct address *q_tchain; /* temporary use chain */ +#if PIPELINING + struct address *q_pchain; /* chain for pipelining */ +#endif /* PIPELINING */ + char *q_finalrcpt; /* Final-Recipient: DSN header */ + char *q_orcpt; /* ORCPT parameter from RCPT TO: line */ + char *q_status; /* status code for DSNs */ + char *q_rstatus; /* remote status message for DSNs */ + time_t q_statdate; /* date of status messages */ + char *q_statmta; /* MTA generating q_rstatus */ + short q_state; /* address state, see below */ + char *q_signature; /* MX-based sorting value */ + int q_qgrp; /* index into queue groups */ + int q_qdir; /* queue directory inside group */ + char *q_message; /* error message */ +}; + +typedef struct address ADDRESS; + +/* bit values for q_flags */ +#define QGOODUID 0x00000001 /* the q_uid q_gid fields are good */ +#define QPRIMARY 0x00000002 /* set from RCPT or argv */ +#define QNOTREMOTE 0x00000004 /* address not for remote forwarding */ +#define QSELFREF 0x00000008 /* this address references itself */ +#define QBOGUSSHELL 0x00000010 /* user has no valid shell listed */ +#define QUNSAFEADDR 0x00000020 /* address acquired via unsafe path */ +#define QPINGONSUCCESS 0x00000040 /* give return on successful delivery */ +#define QPINGONFAILURE 0x00000080 /* give return on failure */ +#define QPINGONDELAY 0x00000100 /* give return on message delay */ +#define QHASNOTIFY 0x00000200 /* propagate notify parameter */ +#define QRELAYED 0x00000400 /* DSN: relayed to non-DSN aware sys */ +#define QEXPANDED 0x00000800 /* DSN: undergone list expansion */ +#define QDELIVERED 0x00001000 /* DSN: successful final delivery */ +#define QDELAYED 0x00002000 /* DSN: message delayed */ +#define QALIAS 0x00004000 /* expanded alias */ +#define QBYTRACE 0x00008000 /* DeliverBy: trace */ +#define QBYNDELAY 0x00010000 /* DeliverBy: notify, delay */ +#define QBYNRELAY 0x00020000 /* DeliverBy: notify, relayed */ +#define QTHISPASS 0x40000000 /* temp: address set this pass */ +#define QRCPTOK 0x80000000 /* recipient() processed address */ + +#define Q_PINGFLAGS (QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY) + +/* values for q_state */ +#define QS_OK 0 /* address ok (for now)/not yet tried */ +#define QS_SENT 1 /* good address, delivery complete */ +#define QS_BADADDR 2 /* illegal address */ +#define QS_QUEUEUP 3 /* save address in queue */ +#define QS_RETRY 4 /* retry delivery for next MX */ +#define QS_VERIFIED 5 /* verified, but not expanded */ + +/* +** Notice: all of the following values are variations of QS_DONTSEND. +** If new states are added, they must be inserted in the proper place! +** See the macro definition of QS_IS_DEAD() down below. +*/ + +#define QS_DONTSEND 6 /* don't send to this address */ +#define QS_EXPANDED 7 /* expanded */ +#define QS_SENDER 8 /* message sender (MeToo) */ +#define QS_CLONED 9 /* addr cloned to split envelope */ +#define QS_DISCARDED 10 /* rcpt discarded (EF_DISCARD) */ +#define QS_REPLACED 11 /* maplocaluser()/UserDB replaced */ +#define QS_REMOVED 12 /* removed (removefromlist()) */ +#define QS_DUPLICATE 13 /* duplicate suppressed */ +#define QS_INCLUDED 14 /* :include: delivery */ +#define QS_FATALERR 15 /* fatal error, don't deliver */ + +/* address state testing primitives */ +#define QS_IS_OK(s) ((s) == QS_OK) +#define QS_IS_SENT(s) ((s) == QS_SENT) +#define QS_IS_BADADDR(s) ((s) == QS_BADADDR) +#define QS_IS_QUEUEUP(s) ((s) == QS_QUEUEUP) +#define QS_IS_RETRY(s) ((s) == QS_RETRY) +#define QS_IS_VERIFIED(s) ((s) == QS_VERIFIED) +#define QS_IS_EXPANDED(s) ((s) == QS_EXPANDED) +#define QS_IS_REMOVED(s) ((s) == QS_REMOVED) +#define QS_IS_UNDELIVERED(s) ((s) == QS_OK || \ + (s) == QS_QUEUEUP || \ + (s) == QS_RETRY || \ + (s) == QS_VERIFIED) +#define QS_IS_UNMARKED(s) ((s) == QS_OK || \ + (s) == QS_RETRY) +#define QS_IS_SENDABLE(s) ((s) == QS_OK || \ + (s) == QS_QUEUEUP || \ + (s) == QS_RETRY) +#define QS_IS_ATTEMPTED(s) ((s) == QS_QUEUEUP || \ + (s) == QS_RETRY || \ + (s) == QS_SENT) +#define QS_IS_DEAD(s) ((s) >= QS_DONTSEND) + + +#define NULLADDR ((ADDRESS *) NULL) + +extern ADDRESS NullAddress; /* a null (template) address [main.c] */ + +/* functions */ +extern void cataddr __P((char **, char **, char *, int, int)); +extern char *crackaddr __P((char *, ENVELOPE *)); +extern bool emptyaddr __P((ADDRESS *)); +extern ADDRESS *getctladdr __P((ADDRESS *)); +extern int include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *)); +extern bool invalidaddr __P((char *, char *, bool)); +extern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **, + ENVELOPE *, bool)); +extern char **prescan __P((char *, int, char[], int, char **, unsigned char *, bool)); +extern void printaddr __P((SM_FILE_T *, ADDRESS *, bool)); +extern ADDRESS *recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); +extern char *remotename __P((char *, MAILER *, int, int *, ENVELOPE *)); +extern int rewrite __P((char **, int, int, ENVELOPE *, int)); +extern bool sameaddr __P((ADDRESS *, ADDRESS *)); +extern int sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *)); +#if MILTER +extern int removefromlist __P((char *, ADDRESS **, ENVELOPE *)); +#endif /* MILTER */ +extern void setsender __P((char *, ENVELOPE *, char **, int, bool)); + +/* macro to simplify the common call to rewrite() */ +#define REWRITE(pvp, rs, env) rewrite(pvp, rs, 0, env, MAXATOM) + +/* +** Mailer definition structure. +** Every mailer known to the system is declared in this +** structure. It defines the pathname of the mailer, some +** flags associated with it, and the argument vector to +** pass to it. The flags are defined in conf.c +** +** The argument vector is expanded before actual use. All +** words except the first are passed through the macro +** processor. +*/ + +struct mailer +{ + char *m_name; /* symbolic name of this mailer */ + char *m_mailer; /* pathname of the mailer to use */ + char *m_mtatype; /* type of this MTA */ + char *m_addrtype; /* type for addresses */ + char *m_diagtype; /* type for diagnostics */ + BITMAP256 m_flags; /* status flags, see below */ + short m_mno; /* mailer number internally */ + short m_nice; /* niceness to run at (mostly for prog) */ + char **m_argv; /* template argument vector */ + short m_sh_rwset; /* rewrite set: sender header addresses */ + short m_se_rwset; /* rewrite set: sender envelope addresses */ + short m_rh_rwset; /* rewrite set: recipient header addresses */ + short m_re_rwset; /* rewrite set: recipient envelope addresses */ + char *m_eol; /* end of line string */ + long m_maxsize; /* size limit on message to this mailer */ + int m_linelimit; /* max # characters per line */ + int m_maxdeliveries; /* max deliveries per mailer connection */ + char *m_execdir; /* directory to chdir to before execv */ + char *m_rootdir; /* directory to chroot to before execv */ + uid_t m_uid; /* UID to run as */ + gid_t m_gid; /* GID to run as */ + char *m_defcharset; /* default character set */ + time_t m_wait; /* timeout to wait for end */ + int m_maxrcpt; /* max recipients per envelope client-side */ + short m_qgrp; /* queue group for this mailer */ +}; + +/* bits for m_flags */ +#define M_ESMTP 'a' /* run Extended SMTP */ +#define M_ALIASABLE 'A' /* user can be LHS of an alias */ +#define M_BLANKEND 'b' /* ensure blank line at end of message */ +#define M_STRIPBACKSL 'B' /* strip all leading backslashes from user */ +#define M_NOCOMMENT 'c' /* don't include comment part of address */ +#define M_CANONICAL 'C' /* make addresses canonical "u@dom" */ +#define M_NOBRACKET 'd' /* never angle bracket envelope route-addrs */ + /* 'D' CF: include Date: */ +#define M_EXPENSIVE 'e' /* it costs to use this mailer.... */ +#define M_ESCFROM 'E' /* escape From lines to >From */ +#define M_FOPT 'f' /* mailer takes picky -f flag */ + /* 'F' CF: include From: or Resent-From: */ +#define M_NO_NULL_FROM 'g' /* sender of errors should be $g */ +#define M_HST_UPPER 'h' /* preserve host case distinction */ +#define M_PREHEAD 'H' /* MAIL11V3: preview headers */ +#define M_UDBENVELOPE 'i' /* do udbsender rewriting on envelope */ +#define M_INTERNAL 'I' /* SMTP to another sendmail site */ +#define M_UDBRECIPIENT 'j' /* do udbsender rewriting on recipient lines */ +#define M_NOLOOPCHECK 'k' /* don't check for loops in HELO command */ +#define M_CHUNKING 'K' /* CHUNKING: reserved for future use */ +#define M_LOCALMAILER 'l' /* delivery is to this host */ +#define M_LIMITS 'L' /* must enforce SMTP line limits */ +#define M_MUSER 'm' /* can handle multiple users at once */ + /* 'M' CF: include Message-Id: */ +#define M_NHDR 'n' /* don't insert From line */ +#define M_MANYSTATUS 'N' /* MAIL11V3: DATA returns multi-status */ +#define M_RUNASRCPT 'o' /* always run mailer as recipient */ +#define M_FROMPATH 'p' /* use reverse-path in MAIL FROM: */ + /* 'P' CF: include Return-Path: */ +#define M_VRFY250 'q' /* VRFY command returns 250 instead of 252 */ +#define M_ROPT 'r' /* mailer takes picky -r flag */ +#define M_SECURE_PORT 'R' /* try to send on a reserved TCP port */ +#define M_STRIPQ 's' /* strip quote chars from user/host */ +#define M_SPECIFIC_UID 'S' /* run as specific uid/gid */ +#define M_USR_UPPER 'u' /* preserve user case distinction */ +#define M_UGLYUUCP 'U' /* this wants an ugly UUCP from line */ +#define M_CONTENT_LEN 'v' /* add Content-Length: header (SVr4) */ + /* 'V' UIUC: !-relativize all addresses */ +#define M_HASPWENT 'w' /* check for /etc/passwd entry */ +#define M_NOHOSTSTAT 'W' /* ignore long term host status information */ + /* 'x' CF: include Full-Name: */ +#define M_XDOT 'X' /* use hidden-dot algorithm */ +#define M_LMTP 'z' /* run Local Mail Transport Protocol */ +#define M_DIALDELAY 'Z' /* apply dial delay sleeptime */ +#define M_NOMX '0' /* turn off MX lookups */ +#define M_NONULLS '1' /* don't send null bytes */ +#define M_FSMTP '2' /* force SMTP (no ESMTP even if offered) */ +#define M_EBCDIC '3' /* extend Q-P encoding for EBCDIC */ +#define M_TRYRULESET5 '5' /* use ruleset 5 after local aliasing */ +#define M_7BITHDRS '6' /* strip headers to 7 bits even in 8 bit path */ +#define M_7BITS '7' /* use 7-bit path */ +#define M_8BITS '8' /* force "just send 8" behaviour */ +#define M_MAKE8BIT '9' /* convert 7 -> 8 bit if appropriate */ +#define M_CHECKINCLUDE ':' /* check for :include: files */ +#define M_CHECKPROG '|' /* check for |program addresses */ +#define M_CHECKFILE '/' /* check for /file addresses */ +#define M_CHECKUDB '@' /* user can be user database key */ +#define M_CHECKHDIR '~' /* SGI: check for valid home directory */ +#define M_HOLD '%' /* Hold delivery until ETRN/-qI/-qR/-qS */ +#define M_PLUS '+' /* Reserved: Used in mc for adding new flags */ +#define M_MINUS '-' /* Reserved: Used in mc for removing flags */ + +/* functions */ +extern void initerrmailers __P((void)); +extern void makemailer __P((char *)); +extern void makequeue __P((char *, bool)); +extern void runqueueevent __P((int)); +#if _FFR_QUEUE_RUN_PARANOIA +extern bool checkqueuerunner __P((void)); +#endif /* _FFR_QUEUE_RUN_PARANOIA */ + +EXTERN MAILER *FileMailer; /* ptr to *file* mailer */ +EXTERN MAILER *InclMailer; /* ptr to *include* mailer */ +EXTERN MAILER *LocalMailer; /* ptr to local mailer */ +EXTERN MAILER *ProgMailer; /* ptr to program mailer */ +EXTERN MAILER *Mailer[MAXMAILERS + 1]; + +/* +** Queue group definition structure. +** Every queue group known to the system is declared in this structure. +** It defines the basic pathname of the queue group, some flags +** associated with it, and the argument vector to pass to it. +*/ + +struct qpaths_s +{ + char *qp_name; /* name of queue dir, relative path */ + short qp_subdirs; /* use subdirs? */ + short qp_fsysidx; /* file system index of this directory */ +# if SM_CONF_SHM + int qp_idx; /* index into array for queue information */ +# endif /* SM_CONF_SHM */ +}; + +typedef struct qpaths_s QPATHS; + +struct queuegrp +{ + char *qg_name; /* symbolic name of this queue group */ + + /* + ** For now this is the same across all queue groups. + ** Otherwise we have to play around with chdir(). + */ + + char *qg_qdir; /* common component of queue directory */ + short qg_index; /* queue number internally, index in Queue[] */ + int qg_maxqrun; /* max # of jobs in 1 queuerun */ + int qg_numqueues; /* number of queues in this queue */ + + /* + ** qg_queueintvl == 0 denotes that no individual value is used. + ** Whatever accesses this must deal with "<= 0" as + ** "not set, use appropriate default". + */ + + time_t qg_queueintvl; /* interval for queue runs */ + QPATHS *qg_qpaths; /* list of queue directories */ + BITMAP256 qg_flags; /* status flags, see below */ + short qg_nice; /* niceness for queue run */ + int qg_wgrp; /* Assigned to this work group */ + int qg_maxlist; /* max items in work queue for this group */ + int qg_curnum; /* current number of queue for queue runs */ + int qg_maxrcpt; /* max recipients per envelope, 0==no limit */ + + time_t qg_nextrun; /* time for next queue runs */ +#if _FFR_QUEUE_GROUP_SORTORDER + short qg_sortorder; /* how do we sort this queuerun */ +#endif /* _FFR_QUEUE_GROUP_SORTORDER */ +#if 0 + long qg_wkrcptfact; /* multiplier for # recipients -> priority */ + long qg_qfactor; /* slope of queue function */ + bool qg_doqueuerun; /* XXX flag is it time to do a queuerun */ +#endif /* 0 */ +}; + +/* bits for qg_flags (XXX: unused as of now) */ +#define QD_DEFINED ((char) 1) /* queue group has been defined */ +#define QD_FORK 'f' /* fork queue runs */ + +extern void filesys_update __P((void)); +#if _FFR_ANY_FREE_FS +extern bool filesys_free __P((long)); +#endif /* _FFR_ANY_FREE_FS */ + +#if SASL +/* +** SASL +*/ + +/* lines in authinfo file or index into SASL_AI_T */ +# define SASL_WRONG (-1) +# define SASL_USER 0 /* authorization id (user) */ +# define SASL_AUTHID 1 /* authentication id */ +# define SASL_PASSWORD 2 /* password fuer authid */ +# define SASL_DEFREALM 3 /* realm to use */ +# define SASL_MECHLIST 4 /* list of mechanisms to try */ +# define SASL_ID_REALM 5 /* authid@defrealm */ + +/* +** Current mechanism; this is just used to convey information between +** invocation of SASL callback functions. +** It must be last in the list, because it's not allocated by us +** and hence we don't free() it. +*/ +# define SASL_MECH 6 +# define SASL_ENTRIES 7 /* number of entries in array */ + +# define SASL_USER_BIT (1 << SASL_USER) +# define SASL_AUTHID_BIT (1 << SASL_AUTHID) +# define SASL_PASSWORD_BIT (1 << SASL_PASSWORD) +# define SASL_DEFREALM_BIT (1 << SASL_DEFREALM) +# define SASL_MECHLIST_BIT (1 << SASL_MECHLIST) + +/* authenticated? */ +# define SASL_NOT_AUTH 0 /* not authenticated */ +# define SASL_PROC_AUTH 1 /* in process of authenticating */ +# define SASL_IS_AUTH 2 /* authenticated */ + +/* SASL options */ +# define SASL_AUTH_AUTH 0x1000 /* use auth= only if authenticated */ +# if SASL >= 20101 +# define SASL_SEC_MASK SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */ +# else /* SASL >= 20101 */ +# define SASL_SEC_MASK 0x0fff /* mask for SASL_SEC_* values: sasl.h */ +# if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \ + (SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \ + (SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \ + (SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \ + (SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \ + (SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0 +ERROR: change SASL_SEC_MASK_ notify sendmail.org! +# endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */ +# endif /* SASL >= 20101 */ +# define MAXOUTLEN 8192 /* length of output buffer */ + +/* functions */ +extern char *intersect __P((char *, char *, SM_RPOOL_T *)); +extern char *iteminlist __P((char *, char *, char *)); +# if SASL >= 20000 +extern int proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *)); +extern int safesaslfile __P((void *, const char *, sasl_verify_type_t)); +# else /* SASL >= 20000 */ +extern int proxy_policy __P((void *, const char *, const char *, const char **, const char **)); +# if SASL > 10515 +extern int safesaslfile __P((void *, char *, int)); +# else /* SASL > 10515 */ +extern int safesaslfile __P((void *, char *)); +# endif /* SASL > 10515 */ +# endif /* SASL >= 20000 */ +extern void stop_sasl_client __P((void)); + +/* structure to store authinfo */ +typedef char *SASL_AI_T[SASL_ENTRIES]; + +EXTERN char *AuthMechanisms; /* AUTH mechanisms */ +EXTERN char *AuthRealm; /* AUTH realm */ +EXTERN char *SASLInfo; /* file with AUTH info */ +EXTERN int SASLOpts; /* options for SASL */ +EXTERN int MaxSLBits; /* max. encryption bits for SASL */ +#endif /* SASL */ + +/* +** Structure to store macros. +*/ +typedef struct +{ + SM_RPOOL_T *mac_rpool; /* resource pool */ + BITMAP256 mac_allocated; /* storage has been alloc()? */ + char *mac_table[MAXMACROID + 1]; /* macros */ +} MACROS_T; + +EXTERN MACROS_T GlobalMacros; + +/* +** Information about currently open connections to mailers, or to +** hosts that we have looked up recently. +*/ + +#define MCI struct mailer_con_info + +MCI +{ + unsigned long mci_flags; /* flag bits, see below */ + short mci_errno; /* error number on last connection */ + short mci_herrno; /* h_errno from last DNS lookup */ + short mci_exitstat; /* exit status from last connection */ + short mci_state; /* SMTP state */ + int mci_deliveries; /* delivery attempts for connection */ + long mci_maxsize; /* max size this server will accept */ + SM_FILE_T *mci_in; /* input side of connection */ + SM_FILE_T *mci_out; /* output side of connection */ + pid_t mci_pid; /* process id of subordinate proc */ + char *mci_phase; /* SMTP phase string */ + struct mailer *mci_mailer; /* ptr to the mailer for this conn */ + char *mci_host; /* host name */ + char *mci_status; /* DSN status to be copied to addrs */ + char *mci_rstatus; /* SMTP status to be copied to addrs */ + time_t mci_lastuse; /* last usage time */ + SM_FILE_T *mci_statfile; /* long term status file */ + char *mci_heloname; /* name to use as HELO arg */ + long mci_min_by; /* minimum DELIVERBY */ + bool mci_retryrcpt; /* tempfail for at least one rcpt */ + char *mci_tolist; /* list of valid recipients */ + SM_RPOOL_T *mci_rpool; /* resource pool */ +#if PIPELINING + int mci_okrcpts; /* number of valid recipients */ + ADDRESS *mci_nextaddr; /* next address for pipelined status */ +#endif /* PIPELINING */ +#if SASL + SASL_AI_T mci_sai; /* authentication info */ + bool mci_sasl_auth; /* authenticated? */ + int mci_sasl_string_len; + char *mci_sasl_string; /* sasl reply string */ + char *mci_saslcap; /* SASL list of mechanisms */ + sasl_conn_t *mci_conn; /* SASL connection */ +#endif /* SASL */ +#if STARTTLS + SSL *mci_ssl; /* SSL connection */ +#endif /* STARTTLS */ + MACROS_T mci_macro; /* macro definitions */ +}; + + +/* flag bits */ +#define MCIF_VALID 0x00000001 /* this entry is valid */ +/* 0x00000002 unused, was MCIF_TEMP */ +#define MCIF_CACHED 0x00000004 /* currently in open cache */ +#define MCIF_ESMTP 0x00000008 /* this host speaks ESMTP */ +#define MCIF_EXPN 0x00000010 /* EXPN command supported */ +#define MCIF_SIZE 0x00000020 /* SIZE option supported */ +#define MCIF_8BITMIME 0x00000040 /* BODY=8BITMIME supported */ +#define MCIF_7BIT 0x00000080 /* strip this message to 7 bits */ +/* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */ +#define MCIF_INHEADER 0x00000200 /* currently outputing header */ +#define MCIF_CVT8TO7 0x00000400 /* convert from 8 to 7 bits */ +#define MCIF_DSN 0x00000800 /* DSN extension supported */ +#define MCIF_8BITOK 0x00001000 /* OK to send 8 bit characters */ +#define MCIF_CVT7TO8 0x00002000 /* convert from 7 to 8 bits */ +#define MCIF_INMIME 0x00004000 /* currently reading MIME header */ +#define MCIF_AUTH 0x00008000 /* AUTH= supported */ +#define MCIF_AUTHACT 0x00010000 /* SASL (AUTH) active */ +#define MCIF_ENHSTAT 0x00020000 /* ENHANCEDSTATUSCODES supported */ +#define MCIF_PIPELINED 0x00040000 /* PIPELINING supported */ +#define MCIF_VERB 0x00080000 /* VERB supported */ +#if STARTTLS +#define MCIF_TLS 0x00100000 /* STARTTLS supported */ +#define MCIF_TLSACT 0x00200000 /* STARTTLS active */ +#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS) +#else /* STARTTLS */ +#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT) +#endif /* STARTTLS */ +#define MCIF_DLVR_BY 0x00400000 /* DELIVERBY */ +#if _FFR_IGNORE_EXT_ON_HELO +# define MCIF_HELO 0x00800000 /* we used HELO: ignore extensions */ +#endif /* _FFR_IGNORE_EXT_ON_HELO */ +#define MCIF_ONLY_EHLO 0x10000000 /* use only EHLO in smtpinit */ + +/* states */ +#define MCIS_CLOSED 0 /* no traffic on this connection */ +#define MCIS_OPENING 1 /* sending initial protocol */ +#define MCIS_OPEN 2 /* open, initial protocol sent */ +#define MCIS_MAIL 3 /* MAIL command sent */ +#define MCIS_RCPT 4 /* RCPT commands being sent */ +#define MCIS_DATA 5 /* DATA command sent */ +#define MCIS_QUITING 6 /* running quit protocol */ +#define MCIS_SSD 7 /* service shutting down */ +#define MCIS_ERROR 8 /* I/O error on connection */ + +/* functions */ +extern void mci_cache __P((MCI *)); +extern void mci_close __P((MCI *, char *where)); +extern void mci_dump __P((SM_FILE_T *, MCI *, bool)); +extern void mci_dump_all __P((SM_FILE_T *, bool)); +extern void mci_flush __P((bool, MCI *)); +extern MCI *mci_get __P((char *, MAILER *)); +extern int mci_lock_host __P((MCI *)); +extern bool mci_match __P((char *, MAILER *)); +extern int mci_print_persistent __P((char *, char *)); +extern int mci_purge_persistent __P((char *, char *)); +extern MCI **mci_scan __P((MCI *)); +extern void mci_setstat __P((MCI *, int, char *, char *)); +extern void mci_store_persistent __P((MCI *)); +extern int mci_traverse_persistent __P((int (*)(), char *)); +extern void mci_unlock_host __P((MCI *)); + +EXTERN int MaxMciCache; /* maximum entries in MCI cache */ +EXTERN time_t MciCacheTimeout; /* maximum idle time on connections */ +EXTERN time_t MciInfoTimeout; /* how long 'til we retry down hosts */ + +/* +** Header structure. +** This structure is used internally to store header items. +*/ + +struct header +{ + char *h_field; /* the name of the field */ + char *h_value; /* the value of that field */ + struct header *h_link; /* the next header */ + unsigned char h_macro; /* include header if macro defined */ + unsigned long h_flags; /* status bits, see below */ + BITMAP256 h_mflags; /* m_flags bits needed */ +}; + +typedef struct header HDR; + +/* +** Header information structure. +** Defined in conf.c, this struct declares the header fields +** that have some magic meaning. +*/ + +struct hdrinfo +{ + char *hi_field; /* the name of the field */ + unsigned long hi_flags; /* status bits, see below */ + char *hi_ruleset; /* validity check ruleset */ +}; + +extern struct hdrinfo HdrInfo[]; + +/* bits for h_flags and hi_flags */ +#define H_EOH 0x00000001 /* field terminates header */ +#define H_RCPT 0x00000002 /* contains recipient addresses */ +#define H_DEFAULT 0x00000004 /* if another value is found, drop this */ +#define H_RESENT 0x00000008 /* this address is a "Resent-..." address */ +#define H_CHECK 0x00000010 /* check h_mflags against m_flags */ +#define H_ACHECK 0x00000020 /* ditto, but always (not just default) */ +#define H_FORCE 0x00000040 /* force this field, even if default */ +#define H_TRACE 0x00000080 /* this field contains trace information */ +#define H_FROM 0x00000100 /* this is a from-type field */ +#define H_VALID 0x00000200 /* this field has a validated value */ +#define H_RECEIPTTO 0x00000400 /* field has return receipt info */ +#define H_ERRORSTO 0x00000800 /* field has error address info */ +#define H_CTE 0x00001000 /* field is a content-transfer-encoding */ +#define H_CTYPE 0x00002000 /* this is a content-type field */ +#define H_BCC 0x00004000 /* Bcc: header: strip value or delete */ +#define H_ENCODABLE 0x00008000 /* field can be RFC 1522 encoded */ +#define H_STRIPCOMM 0x00010000 /* header check: strip comments */ +#define H_BINDLATE 0x00020000 /* only expand macros at deliver */ +#define H_USER 0x00040000 /* header came from the user/SMTP */ + +/* bits for chompheader() */ +#define CHHDR_DEF 0x0001 /* default header */ +#define CHHDR_CHECK 0x0002 /* call ruleset for header */ +#define CHHDR_USER 0x0004 /* header from user */ +#define CHHDR_QUEUE 0x0008 /* header from queue file */ + +/* functions */ +extern void addheader __P((char *, char *, int, ENVELOPE *)); +extern unsigned long chompheader __P((char *, int, HDR **, ENVELOPE *)); +extern void commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *)); +extern HDR *copyheader __P((HDR *, SM_RPOOL_T *)); +extern void eatheader __P((ENVELOPE *, bool, bool)); +extern char *hvalue __P((char *, HDR *)); +extern void insheader __P((int, char *, char *, int, ENVELOPE *)); +extern bool isheader __P((char *)); +extern void putfromline __P((MCI *, ENVELOPE *)); +extern void setupheaders __P((void)); + +/* +** Performance monitoring +*/ + +#define TIMERS struct sm_timers + +TIMERS +{ + TIMER ti_overall; /* the whole process */ +}; + + +#define PUSHTIMER(l, t) { if (tTd(98, l)) pushtimer(&t); } +#define POPTIMER(l, t) { if (tTd(98, l)) poptimer(&t); } + +/* +** Envelope structure. +** This structure defines the message itself. There is usually +** only one of these -- for the message that we originally read +** and which is our primary interest -- but other envelopes can +** be generated during processing. For example, error messages +** will have their own envelope. +*/ + +struct envelope +{ + HDR *e_header; /* head of header list */ + long e_msgpriority; /* adjusted priority of this message */ + time_t e_ctime; /* time message appeared in the queue */ + char *e_to; /* (list of) target person(s) */ + ADDRESS e_from; /* the person it is from */ + char *e_sender; /* e_from.q_paddr w comments stripped */ + char **e_fromdomain; /* the domain part of the sender */ + ADDRESS *e_sendqueue; /* list of message recipients */ + ADDRESS *e_errorqueue; /* the queue for error responses */ + + /* + ** Overflow detection is based on < 0, so don't change this + ** to unsigned. We don't use unsigned and == ULONG_MAX because + ** some libc's don't have strtoul(), see mail_esmtp_args(). + */ + + long e_msgsize; /* size of the message in bytes */ + char *e_msgid; /* message id (for logging) */ + unsigned long e_flags; /* flags, see below */ + int e_nrcpts; /* number of recipients */ + short e_class; /* msg class (priority, junk, etc.) */ + short e_hopcount; /* number of times processed */ + short e_nsent; /* number of sends since checkpoint */ + short e_sendmode; /* message send mode */ + short e_errormode; /* error return mode */ + short e_timeoutclass; /* message timeout class */ + void (*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int)); + /* function to put header of message */ + void (*e_putbody)__P((MCI *, ENVELOPE *, char *)); + /* function to put body of message */ + ENVELOPE *e_parent; /* the message this one encloses */ + ENVELOPE *e_sibling; /* the next envelope of interest */ + char *e_bodytype; /* type of message body */ + SM_FILE_T *e_dfp; /* data file */ + char *e_id; /* code for this entry in queue */ + int e_qgrp; /* queue group (index into queues) */ + int e_qdir; /* index into queue directories */ + int e_dfqgrp; /* data file queue group index */ + int e_dfqdir; /* data file queue directory index */ + int e_xfqgrp; /* queue group (index into queues) */ + int e_xfqdir; /* index into queue directories (xf) */ + SM_FILE_T *e_xfp; /* transcript file */ + SM_FILE_T *e_lockfp; /* the lock file for this message */ + char *e_message; /* error message; readonly; NULL, or + * static storage, or allocated from + * e_rpool */ + char *e_statmsg; /* stat msg (changes per delivery). + * readonly. NULL or allocated from + * e_rpool. */ + char *e_quarmsg; /* why envelope is quarantined */ + char e_qfletter; /* queue file letter on disk */ + char *e_msgboundary; /* MIME-style message part boundary */ + char *e_origrcpt; /* original recipient (one only) */ + char *e_envid; /* envelope id from MAIL FROM: line */ + char *e_status; /* DSN status for this message */ + time_t e_dtime; /* time of last delivery attempt */ + int e_ntries; /* number of delivery attempts */ + dev_t e_dfdev; /* data file device (crash recovery) */ + ino_t e_dfino; /* data file inode (crash recovery) */ + MACROS_T e_macro; /* macro definitions */ + MCI *e_mci; /* connection info */ + char *e_auth_param; /* readonly; NULL or static storage or + * allocated from e_rpool */ + TIMERS e_timers; /* per job timers */ + long e_deliver_by; /* deliver by */ + int e_dlvr_flag; /* deliver by flag */ + SM_RPOOL_T *e_rpool; /* resource pool for this envelope */ +}; + +/* values for e_flags */ +#define EF_OLDSTYLE 0x00000001L /* use spaces (not commas) in hdrs */ +#define EF_INQUEUE 0x00000002L /* this message is fully queued */ +#define EF_NO_BODY_RETN 0x00000004L /* omit message body on error */ +#define EF_CLRQUEUE 0x00000008L /* disk copy is no longer needed */ +#define EF_SENDRECEIPT 0x00000010L /* send a return receipt */ +#define EF_FATALERRS 0x00000020L /* fatal errors occurred */ +#define EF_DELETE_BCC 0x00000040L /* delete Bcc: headers entirely */ +#define EF_RESPONSE 0x00000080L /* this is an error or return receipt */ +#define EF_RESENT 0x00000100L /* this message is being forwarded */ +#define EF_VRFYONLY 0x00000200L /* verify only (don't expand aliases) */ +#define EF_WARNING 0x00000400L /* warning message has been sent */ +#define EF_QUEUERUN 0x00000800L /* this envelope is from queue */ +#define EF_GLOBALERRS 0x00001000L /* treat errors as global */ +#define EF_PM_NOTIFY 0x00002000L /* send return mail to postmaster */ +#define EF_METOO 0x00004000L /* send to me too */ +#define EF_LOGSENDER 0x00008000L /* need to log the sender */ +#define EF_NORECEIPT 0x00010000L /* suppress all return-receipts */ +#define EF_HAS8BIT 0x00020000L /* at least one 8-bit char in body */ +#define EF_NL_NOT_EOL 0x00040000L /* don't accept raw NL as EOLine */ +#define EF_CRLF_NOT_EOL 0x00080000L /* don't accept CR-LF as EOLine */ +#define EF_RET_PARAM 0x00100000L /* RCPT command had RET argument */ +#define EF_HAS_DF 0x00200000L /* set when data file is instantiated */ +#define EF_IS_MIME 0x00400000L /* really is a MIME message */ +#define EF_DONT_MIME 0x00800000L /* never MIME this message */ +#define EF_DISCARD 0x01000000L /* discard the message */ +#define EF_TOOBIG 0x02000000L /* message is too big */ +#define EF_SPLIT 0x04000000L /* envelope has been split */ +#define EF_UNSAFE 0x08000000L /* unsafe: read from untrusted source */ + +#define DLVR_NOTIFY 0x01 +#define DLVR_RETURN 0x02 +#define DLVR_TRACE 0x10 +#define IS_DLVR_NOTIFY(e) (((e)->e_dlvr_flag & DLVR_NOTIFY) != 0) +#define IS_DLVR_RETURN(e) (((e)->e_dlvr_flag & DLVR_RETURN) != 0) +#define IS_DLVR_TRACE(e) (((e)->e_dlvr_flag & DLVR_TRACE) != 0) +#define IS_DLVR_BY(e) ((e)->e_dlvr_flag != 0) + +#define BODYTYPE_NONE (0) +#define BODYTYPE_7BIT (1) +#define BODYTYPE_8BITMIME (2) +#define BODYTYPE_ILLEGAL (-1) +#define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME) + +extern ENVELOPE BlankEnvelope; + +/* functions */ +extern void clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *)); +extern void dropenvelope __P((ENVELOPE *, bool, bool)); +extern ENVELOPE *newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *)); +extern void clrsessenvelope __P((ENVELOPE *)); +extern void printenvflags __P((ENVELOPE *)); +extern void putbody __P((MCI *, ENVELOPE *, char *)); +extern void putheader __P((MCI *, HDR *, ENVELOPE *, int)); + +/* +** Message priority classes. +** +** The message class is read directly from the Priority: header +** field in the message. +** +** CurEnv->e_msgpriority is the number of bytes in the message plus +** the creation time (so that jobs ``tend'' to be ordered correctly), +** adjusted by the message class, the number of recipients, and the +** amount of time the message has been sitting around. This number +** is used to order the queue. Higher values mean LOWER priority. +** +** Each priority class point is worth WkClassFact priority points; +** each recipient is worth WkRecipFact priority points. Each time +** we reprocess a message the priority is adjusted by WkTimeFact. +** WkTimeFact should normally decrease the priority so that jobs +** that have historically failed will be run later; thanks go to +** Jay Lepreau at Utah for pointing out the error in my thinking. +** +** The "class" is this number, unadjusted by the age or size of +** this message. Classes with negative representations will have +** error messages thrown away if they are not local. +*/ + +struct priority +{ + char *pri_name; /* external name of priority */ + int pri_val; /* internal value for same */ +}; + +EXTERN int NumPriorities; /* pointer into Priorities */ +EXTERN struct priority Priorities[MAXPRIORITIES]; + +/* +** Rewrite rules. +*/ + +struct rewrite +{ + char **r_lhs; /* pattern match */ + char **r_rhs; /* substitution value */ + struct rewrite *r_next;/* next in chain */ + int r_line; /* rule line in sendmail.cf */ +}; + +/* +** Special characters in rewriting rules. +** These are used internally only. +** The COND* rules are actually used in macros rather than in +** rewriting rules, but are given here because they +** cannot conflict. +*/ + +/* left hand side items */ +#define MATCHZANY ((unsigned char)0220) /* match zero or more tokens */ +#define MATCHANY ((unsigned char)0221) /* match one or more tokens */ +#define MATCHONE ((unsigned char)0222) /* match exactly one token */ +#define MATCHCLASS ((unsigned char)0223) /* match one token in a class */ +#define MATCHNCLASS ((unsigned char)0224) /* match anything not in class */ +#define MATCHREPL ((unsigned char)0225) /* replacement on RHS for above */ + +/* right hand side items */ +#define CANONNET ((unsigned char)0226) /* canonical net, next token */ +#define CANONHOST ((unsigned char)0227) /* canonical host, next token */ +#define CANONUSER ((unsigned char)0230) /* canonical user, next N tokens */ +#define CALLSUBR ((unsigned char)0231) /* call another rewriting set */ + +/* conditionals in macros */ +#define CONDIF ((unsigned char)0232) /* conditional if-then */ +#define CONDELSE ((unsigned char)0233) /* conditional else */ +#define CONDFI ((unsigned char)0234) /* conditional fi */ + +/* bracket characters for host name lookup */ +#define HOSTBEGIN ((unsigned char)0235) /* hostname lookup begin */ +#define HOSTEND ((unsigned char)0236) /* hostname lookup end */ + +/* bracket characters for generalized lookup */ +#define LOOKUPBEGIN ((unsigned char)0205) /* generalized lookup begin */ +#define LOOKUPEND ((unsigned char)0206) /* generalized lookup end */ + +/* macro substitution character */ +#define MACROEXPAND ((unsigned char)0201) /* macro expansion */ +#define MACRODEXPAND ((unsigned char)0202) /* deferred macro expansion */ + +/* to make the code clearer */ +#define MATCHZERO CANONHOST + +#define MAXMATCH 9 /* max params per rewrite */ +#define MAX_MAP_ARGS 10 /* max arguments for map */ + +/* external <==> internal mapping table */ +struct metamac +{ + char metaname; /* external code (after $) */ + unsigned char metaval; /* internal code (as above) */ +}; + +/* values for macros with external names only */ +#define MID_OPMODE 0202 /* operation mode */ + +/* functions */ +#if SM_HEAP_CHECK +extern void +macdefine_tagged __P(( + MACROS_T *_mac, + ARGCLASS_T _vclass, + int _id, + char *_value, + char *_file, + int _line, + int _group)); +# define macdefine(mac,c,id,v) \ + macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group()) +#else /* SM_HEAP_CHECK */ +extern void +macdefine __P(( + MACROS_T *_mac, + ARGCLASS_T _vclass, + int _id, + char *_value)); +# define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v) +#endif /* SM_HEAP_CHECK */ +extern void macset __P((MACROS_T *, int, char *)); +#define macget(mac, i) (mac)->mac_table[i] +extern void expand __P((char *, char *, size_t, ENVELOPE *)); +extern int macid_parse __P((char *, char **)); +#define macid(name) macid_parse(name, NULL) +extern char *macname __P((int)); +extern char *macvalue __P((int, ENVELOPE *)); +extern int rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *)); +extern int rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int)); +extern void setclass __P((int, char *)); +extern int strtorwset __P((char *, char **, int)); +extern void translate_dollars __P((char *)); +extern bool wordinclass __P((char *, int)); + +/* +** Name canonification short circuit. +** +** If the name server for a host is down, the process of trying to +** canonify the name can hang. This is similar to (but alas, not +** identical to) looking up the name for delivery. This stab type +** caches the result of the name server lookup so we don't hang +** multiple times. +*/ + +#define NAMECANON struct _namecanon + +NAMECANON +{ + short nc_errno; /* cached errno */ + short nc_herrno; /* cached h_errno */ + short nc_stat; /* cached exit status code */ + short nc_flags; /* flag bits */ + char *nc_cname; /* the canonical name */ + time_t nc_exp; /* entry expires at */ +}; + +/* values for nc_flags */ +#define NCF_VALID 0x0001 /* entry valid */ + +/* hostsignature structure */ + +struct hostsig_t +{ + char *hs_sig; /* hostsignature */ + time_t hs_exp; /* entry expires at */ +}; + +typedef struct hostsig_t HOSTSIG_T; + +/* functions */ +extern bool getcanonname __P((char *, int, bool, int *)); +extern int getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *)); +extern char *hostsignature __P((MAILER *, char *)); +extern int getfallbackmxrr __P((char *)); + +/* +** Mapping functions +** +** These allow arbitrary mappings in the config file. The idea +** (albeit not the implementation) comes from IDA sendmail. +*/ + +#define MAPCLASS struct _mapclass +#define MAP struct _map +#define MAXMAPACTIONS 5 /* size of map_actions array */ + + +/* +** An actual map. +*/ + +MAP +{ + MAPCLASS *map_class; /* the class of this map */ + MAPCLASS *map_orgclass; /* the original class of this map */ + char *map_mname; /* name of this map */ + long map_mflags; /* flags, see below */ + char *map_file; /* the (nominal) filename */ + ARBPTR_T map_db1; /* the open database ptr */ + ARBPTR_T map_db2; /* an "extra" database pointer */ + char *map_keycolnm; /* key column name */ + char *map_valcolnm; /* value column name */ + unsigned char map_keycolno; /* key column number */ + unsigned char map_valcolno; /* value column number */ + char map_coldelim; /* column delimiter */ + char map_spacesub; /* spacesub */ + char *map_app; /* to append to successful matches */ + char *map_tapp; /* to append to "tempfail" matches */ + char *map_domain; /* the (nominal) NIS domain */ + char *map_rebuild; /* program to run to do auto-rebuild */ + time_t map_mtime; /* last database modification time */ + time_t map_timeout; /* timeout for map accesses */ + int map_retry; /* # of retries for map accesses */ + pid_t map_pid; /* PID of process which opened map */ + int map_lockfd; /* auxiliary lock file descriptor */ + short map_specificity; /* specificity of aliases */ + MAP *map_stack[MAXMAPSTACK]; /* list for stacked maps */ + short map_return[MAXMAPACTIONS]; /* return bitmaps for stacked maps */ +}; + + +/* bit values for map_mflags */ +#define MF_VALID 0x00000001 /* this entry is valid */ +#define MF_INCLNULL 0x00000002 /* include null byte in key */ +#define MF_OPTIONAL 0x00000004 /* don't complain if map not found */ +#define MF_NOFOLDCASE 0x00000008 /* don't fold case in keys */ +#define MF_MATCHONLY 0x00000010 /* don't use the map value */ +#define MF_OPEN 0x00000020 /* this entry is open */ +#define MF_WRITABLE 0x00000040 /* open for writing */ +#define MF_ALIAS 0x00000080 /* this is an alias file */ +#define MF_TRY0NULL 0x00000100 /* try with no null byte */ +#define MF_TRY1NULL 0x00000200 /* try with the null byte */ +#define MF_LOCKED 0x00000400 /* this map is currently locked */ +#define MF_ALIASWAIT 0x00000800 /* alias map in aliaswait state */ +#define MF_IMPL_HASH 0x00001000 /* implicit: underlying hash database */ +#define MF_IMPL_NDBM 0x00002000 /* implicit: underlying NDBM database */ +/* 0x00004000 */ +#define MF_APPEND 0x00008000 /* append new entry on rebuild */ +#define MF_KEEPQUOTES 0x00010000 /* don't dequote key before lookup */ +#define MF_NODEFER 0x00020000 /* don't defer if map lookup fails */ +#define MF_REGEX_NOT 0x00040000 /* regular expression negation */ +#define MF_DEFER 0x00080000 /* don't lookup map in defer mode */ +#define MF_SINGLEMATCH 0x00100000 /* successful only if match one key */ +/* 0x00200000 available for use */ +#define MF_FILECLASS 0x00400000 /* this is a file class map */ +#define MF_OPENBOGUS 0x00800000 /* open failed, don't call map_close */ +#define MF_CLOSING 0x01000000 /* map is being closed */ + +#define DYNOPENMAP(map) if (!bitset(MF_OPEN, (map)->map_mflags)) \ + { \ + if (!openmap(map)) \ + return NULL; \ + } + + +/* indices for map_actions */ +#define MA_NOTFOUND 0 /* member map returned "not found" */ +#define MA_UNAVAIL 1 /* member map is not available */ +#define MA_TRYAGAIN 2 /* member map returns temp failure */ + +/* macros to handle MapTempFail */ +#define BIT_IS_MTP 0x01 /* temp.failure occurred */ +#define BIT_ASK_MTP 0x02 /* do we care about MapTempFail? */ +#define RESET_MAPTEMPFAIL MapTempFail = 0 +#define INIT_MAPTEMPFAIL MapTempFail = BIT_ASK_MTP +#define SET_MAPTEMPFAIL MapTempFail |= BIT_IS_MTP +#define IS_MAPTEMPFAIL bitset(BIT_IS_MTP, MapTempFail) +#define ASK_MAPTEMPFAIL bitset(BIT_ASK_MTP, MapTempFail) + +/* +** The class of a map -- essentially the functions to call +*/ + +MAPCLASS +{ + char *map_cname; /* name of this map class */ + char *map_ext; /* extension for database file */ + short map_cflags; /* flag bits, see below */ + bool (*map_parse)__P((MAP *, char *)); + /* argument parsing function */ + char *(*map_lookup)__P((MAP *, char *, char **, int *)); + /* lookup function */ + void (*map_store)__P((MAP *, char *, char *)); + /* store function */ + bool (*map_open)__P((MAP *, int)); + /* open function */ + void (*map_close)__P((MAP *)); + /* close function */ +}; + +/* bit values for map_cflags */ +#define MCF_ALIASOK 0x0001 /* can be used for aliases */ +#define MCF_ALIASONLY 0x0002 /* usable only for aliases */ +#define MCF_REBUILDABLE 0x0004 /* can rebuild alias files */ +#define MCF_OPTFILE 0x0008 /* file name is optional */ +#define MCF_NOTPERSIST 0x0010 /* don't keep map open all the time */ + +/* functions */ +extern void closemaps __P((bool)); +extern bool impl_map_open __P((MAP *, int)); +extern void initmaps __P((void)); +extern MAP *makemapentry __P((char *)); +extern void maplocaluser __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); +extern char *map_rewrite __P((MAP *, const char *, size_t, char **)); +#if NETINFO +extern char *ni_propval __P((char *, char *, char *, char *, int)); +#endif /* NETINFO */ +extern bool openmap __P((MAP *)); +#if USERDB +extern void _udbx_close __P((void)); +extern int udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); +extern char *udbsender __P((char *, SM_RPOOL_T *)); +#endif /* USERDB */ + +/* +** LDAP related items +*/ +#if LDAPMAP +/* struct defining LDAP Auth Methods */ +struct lamvalues +{ + char *lam_name; /* name of LDAP auth method */ + int lam_code; /* numeric code */ +}; + +/* struct defining LDAP Alias Dereferencing */ +struct ladvalues +{ + char *lad_name; /* name of LDAP alias dereferencing method */ + int lad_code; /* numeric code */ +}; + +/* struct defining LDAP Search Scope */ +struct lssvalues +{ + char *lss_name; /* name of LDAP search scope */ + int lss_code; /* numeric code */ +}; + +/* functions */ +extern bool ldapmap_parseargs __P((MAP *, char *)); +extern void ldapmap_set_defaults __P((char *)); +#endif /* LDAPMAP */ + +/* +** PH related items +*/ + +#if PH_MAP + +# include + +struct ph_map_struct +{ + char *ph_servers; /* list of ph servers */ + char *ph_field_list; /* list of fields to search for match */ + PH *ph; /* PH server handle */ + int ph_fastclose; /* send "quit" command on close */ + time_t ph_timeout; /* timeout interval */ +}; +typedef struct ph_map_struct PH_MAP_STRUCT; + +#endif /* PH_MAP */ + +/* +** Regular UNIX sockaddrs are too small to handle ISO addresses, so +** we are forced to declare a supertype here. +*/ + +#if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 +union bigsockaddr +{ + struct sockaddr sa; /* general version */ +# if NETUNIX + struct sockaddr_un sunix; /* UNIX family */ +# endif /* NETUNIX */ +# if NETINET + struct sockaddr_in sin; /* INET family */ +# endif /* NETINET */ +# if NETINET6 + struct sockaddr_in6 sin6; /* INET/IPv6 */ +# endif /* NETINET6 */ +# if NETISO + struct sockaddr_iso siso; /* ISO family */ +# endif /* NETISO */ +# if NETNS + struct sockaddr_ns sns; /* XNS family */ +# endif /* NETNS */ +# if NETX25 + struct sockaddr_x25 sx25; /* X.25 family */ +# endif /* NETX25 */ +}; + +# define SOCKADDR union bigsockaddr + +/* functions */ +extern char *anynet_ntoa __P((SOCKADDR *)); +# if NETINET6 +extern char *anynet_ntop __P((struct in6_addr *, char *, size_t)); +extern int anynet_pton __P((int, const char *, void *)); +# endif /* NETINET6 */ +extern char *hostnamebyanyaddr __P((SOCKADDR *)); +extern char *validate_connection __P((SOCKADDR *, char *, ENVELOPE *)); +# if SASL >= 20000 +extern bool iptostring __P((SOCKADDR *, SOCKADDR_LEN_T, char *, unsigned)); +# endif /* SASL >= 20000 */ + +#endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */ + +/* +** Process List (proclist) +*/ + +#define NO_PID ((pid_t) 0) +#ifndef PROC_LIST_SEG +# define PROC_LIST_SEG 32 /* number of pids to alloc at a time */ +#endif /* ! PROC_LIST_SEG */ + +/* process types */ +#define PROC_NONE 0 +#define PROC_DAEMON 1 +#define PROC_DAEMON_CHILD 2 +#define PROC_QUEUE 3 +#define PROC_QUEUE_CHILD 3 +#define PROC_CONTROL 4 +#define PROC_CONTROL_CHILD 5 + +/* functions */ +extern void proc_list_add __P((pid_t, char *, int, int, int, SOCKADDR *)); +extern void proc_list_clear __P((void)); +extern void proc_list_display __P((SM_FILE_T *, char *)); +extern void proc_list_drop __P((pid_t, int, int *)); +extern void proc_list_probe __P((void)); +extern void proc_list_set __P((pid_t, char *)); +extern void proc_list_signal __P((int, int)); + +/* +** Symbol table definitions +*/ + +struct symtab +{ + char *s_name; /* name to be entered */ + short s_symtype; /* general type (see below) */ + struct symtab *s_next; /* pointer to next in chain */ + union + { + BITMAP256 sv_class; /* bit-map of word classes */ + ADDRESS *sv_addr; /* pointer to address header */ + MAILER *sv_mailer; /* pointer to mailer */ + char *sv_alias; /* alias */ + MAPCLASS sv_mapclass; /* mapping function class */ + MAP sv_map; /* mapping function */ + HOSTSIG_T sv_hostsig; /* host signature */ + MCI sv_mci; /* mailer connection info */ + NAMECANON sv_namecanon; /* canonical name cache */ + int sv_macro; /* macro name => id mapping */ + int sv_ruleset; /* ruleset index */ + struct hdrinfo sv_header; /* header metainfo */ + char *sv_service[MAXMAPSTACK]; /* service switch */ +#if LDAPMAP + MAP *sv_lmap; /* Maps for LDAP connection */ +#endif /* LDAPMAP */ +#if SOCKETMAP + MAP *sv_socketmap; /* Maps for SOCKET connection */ +#endif /* SOCKETMAP */ +#if MILTER + struct milter *sv_milter; /* milter filter name */ +#endif /* MILTER */ + QUEUEGRP *sv_queue; /* pointer to queue */ + } s_value; +}; + +typedef struct symtab STAB; + +/* symbol types */ +#define ST_UNDEF 0 /* undefined type */ +#define ST_CLASS 1 /* class map */ +#define ST_ADDRESS 2 /* an address in parsed format */ +#define ST_MAILER 3 /* a mailer header */ +#define ST_ALIAS 4 /* an alias */ +#define ST_MAPCLASS 5 /* mapping function class */ +#define ST_MAP 6 /* mapping function */ +#define ST_HOSTSIG 7 /* host signature */ +#define ST_NAMECANON 8 /* cached canonical name */ +#define ST_MACRO 9 /* macro name to id mapping */ +#define ST_RULESET 10 /* ruleset index */ +#define ST_SERVICE 11 /* service switch entry */ +#define ST_HEADER 12 /* special header flags */ +#if LDAPMAP +# define ST_LMAP 13 /* List head of maps for LDAP connection */ +#endif /* LDAPMAP */ +#if MILTER +# define ST_MILTER 14 /* milter filter */ +#endif /* MILTER */ +#define ST_QUEUE 15 /* a queue entry */ + +#if SOCKETMAP +# define ST_SOCKETMAP 16 /* List head of maps for SOCKET connection */ +#endif /* SOCKETMAP */ + +/* This entry must be last */ +#define ST_MCI 17 /* mailer connection info (offset) */ + +#define s_class s_value.sv_class +#define s_address s_value.sv_addr +#define s_mailer s_value.sv_mailer +#define s_alias s_value.sv_alias +#define s_mci s_value.sv_mci +#define s_mapclass s_value.sv_mapclass +#define s_hostsig s_value.sv_hostsig +#define s_map s_value.sv_map +#define s_namecanon s_value.sv_namecanon +#define s_macro s_value.sv_macro +#define s_ruleset s_value.sv_ruleset +#define s_service s_value.sv_service +#define s_header s_value.sv_header +#if LDAPMAP +# define s_lmap s_value.sv_lmap +#endif /* LDAPMAP */ +#if SOCKETMAP +# define s_socketmap s_value.sv_socketmap +#endif /* SOCKETMAP */ +#if MILTER +# define s_milter s_value.sv_milter +#endif /* MILTER */ +#define s_quegrp s_value.sv_queue + +/* opcodes to stab */ +#define ST_FIND 0 /* find entry */ +#define ST_ENTER 1 /* enter if not there */ + +/* functions */ +extern STAB *stab __P((char *, int, int)); +extern void stabapply __P((void (*)(STAB *, int), int)); + +/* +** Operation, send, error, and MIME modes +** +** The operation mode describes the basic operation of sendmail. +** This can be set from the command line, and is "send mail" by +** default. +** +** The send mode tells how to send mail. It can be set in the +** configuration file. Its setting determines how quickly the +** mail will be delivered versus the load on your system. If the +** -v (verbose) flag is given, it will be forced to SM_DELIVER +** mode. +** +** The error mode tells how to return errors. +*/ + +#define MD_DELIVER 'm' /* be a mail sender */ +#define MD_SMTP 's' /* run SMTP on standard input */ +#define MD_ARPAFTP 'a' /* obsolete ARPANET mode (Grey Book) */ +#define MD_DAEMON 'd' /* run as a daemon */ +#define MD_FGDAEMON 'D' /* run daemon in foreground */ +#define MD_VERIFY 'v' /* verify: don't collect or deliver */ +#define MD_TEST 't' /* test mode: resolve addrs only */ +#define MD_INITALIAS 'i' /* initialize alias database */ +#define MD_PRINT 'p' /* print the queue */ +#define MD_PRINTNQE 'P' /* print number of entries in queue */ +#define MD_FREEZE 'z' /* freeze the configuration file */ +#define MD_HOSTSTAT 'h' /* print persistent host stat info */ +#define MD_PURGESTAT 'H' /* purge persistent host stat info */ +#define MD_QUEUERUN 'q' /* queue run */ + +/* Note: see also include/sendmail/pathnames.h: GET_CLIENT_CF */ + +/* values for e_sendmode -- send modes */ +#define SM_DELIVER 'i' /* interactive delivery */ +#define SM_FORK 'b' /* deliver in background */ +#define SM_QUEUE 'q' /* queue, don't deliver */ +#define SM_DEFER 'd' /* defer map lookups as well as queue */ +#define SM_VERIFY 'v' /* verify only (used internally) */ + +#define WILL_BE_QUEUED(m) ((m) == SM_QUEUE || (m) == SM_DEFER) + +/* used only as a parameter to sendall */ +#define SM_DEFAULT '\0' /* unspecified, use SendMode */ + +/* functions */ +extern void set_delivery_mode __P((int, ENVELOPE *)); + +/* values for e_errormode -- error handling modes */ +#define EM_PRINT 'p' /* print errors */ +#define EM_MAIL 'm' /* mail back errors */ +#define EM_WRITE 'w' /* write back errors */ +#define EM_BERKNET 'e' /* special berknet processing */ +#define EM_QUIET 'q' /* don't print messages (stat only) */ + + +/* bit values for MimeMode */ +#define MM_CVTMIME 0x0001 /* convert 8 to 7 bit MIME */ +#define MM_PASS8BIT 0x0002 /* just send 8 bit data blind */ +#define MM_MIME8BIT 0x0004 /* convert 8-bit data to MIME */ + + +/* how to handle messages without any recipient addresses */ +#define NRA_NO_ACTION 0 /* just leave it as is */ +#define NRA_ADD_TO 1 /* add To: header */ +#define NRA_ADD_APPARENTLY_TO 2 /* add Apparently-To: header */ +#define NRA_ADD_BCC 3 /* add empty Bcc: header */ +#define NRA_ADD_TO_UNDISCLOSED 4 /* add To: undisclosed:; header */ + + +/* flags to putxline */ +#define PXLF_NOTHINGSPECIAL 0 /* no special mapping */ +#define PXLF_MAPFROM 0x0001 /* map From_ to >From_ */ +#define PXLF_STRIP8BIT 0x0002 /* strip 8th bit */ +#define PXLF_HEADER 0x0004 /* map newlines in headers */ +#define PXLF_NOADDEOL 0x0008 /* if EOL not present, don't add one */ + +/* +** Privacy flags +** These are bit values for the PrivacyFlags word. +*/ + +#define PRIV_PUBLIC 0 /* what have I got to hide? */ +#define PRIV_NEEDMAILHELO 0x00000001 /* insist on HELO for MAIL */ +#define PRIV_NEEDEXPNHELO 0x00000002 /* insist on HELO for EXPN */ +#define PRIV_NEEDVRFYHELO 0x00000004 /* insist on HELO for VRFY */ +#define PRIV_NOEXPN 0x00000008 /* disallow EXPN command */ +#define PRIV_NOVRFY 0x00000010 /* disallow VRFY command */ +#define PRIV_AUTHWARNINGS 0x00000020 /* flag possible auth probs */ +#define PRIV_NOVERB 0x00000040 /* disallow VERB command */ +#define PRIV_RESTRICTMAILQ 0x00010000 /* restrict mailq command */ +#define PRIV_RESTRICTQRUN 0x00020000 /* restrict queue run */ +#define PRIV_RESTRICTEXPAND 0x00040000 /* restrict alias/forward expansion */ +#define PRIV_NOETRN 0x00080000 /* disallow ETRN command */ +#define PRIV_NOBODYRETN 0x00100000 /* do not return bodies on bounces */ +#define PRIV_NORECEIPTS 0x00200000 /* disallow return receipts */ +#if _FFR_PRIV_NOACTUALRECIPIENT +# define PRIV_NOACTUALRECIPIENT 0x00400000 /* no X-Actual-Recipient in DSNs */ +#endif /* _FFR_PRIV_NOACTUALRECIPIENT */ + +/* don't give no info, anyway, anyhow */ +#define PRIV_GOAWAY 0x0000ffff + +/* struct defining such things */ +struct prival +{ + char *pv_name; /* name of privacy flag */ + unsigned long pv_flag; /* numeric level */ +}; + +EXTERN unsigned long PrivacyFlags; /* privacy flags */ + + +/* +** Flags passed to remotename, parseaddr, allocaddr, and buildaddr. +*/ + +#define RF_SENDERADDR 0x001 /* this is a sender address */ +#define RF_HEADERADDR 0x002 /* this is a header address */ +#define RF_CANONICAL 0x004 /* strip comment information */ +#define RF_ADDDOMAIN 0x008 /* OK to do domain extension */ +#define RF_COPYPARSE 0x010 /* copy parsed user & host */ +#define RF_COPYPADDR 0x020 /* copy print address */ +#define RF_COPYALL (RF_COPYPARSE|RF_COPYPADDR) +#define RF_COPYNONE 0 + +/* +** Flags passed to rscheck +*/ + +#define RSF_RMCOMM 0x0001 /* strip comments */ +#define RSF_UNSTRUCTURED 0x0002 /* unstructured, ignore syntax errors */ +#define RSF_COUNT 0x0004 /* count rejections (statistics)? */ + +/* +** Flags passed to mime8to7 and putheader. +*/ + +#define M87F_OUTER 0 /* outer context */ +#define M87F_NO8BIT 0x0001 /* can't have 8-bit in this section */ +#define M87F_DIGEST 0x0002 /* processing multipart/digest */ +#define M87F_NO8TO7 0x0004 /* don't do 8->7 bit conversions */ + +/* functions */ +extern void mime7to8 __P((MCI *, HDR *, ENVELOPE *)); +extern int mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, int)); + +/* +** Flags passed to returntosender. +*/ + +#define RTSF_NO_BODY 0 /* send headers only */ +#define RTSF_SEND_BODY 0x0001 /* include body of message in return */ +#define RTSF_PM_BOUNCE 0x0002 /* this is a postmaster bounce */ + +/* functions */ +extern int returntosender __P((char *, ADDRESS *, int, ENVELOPE *)); + +/* +** Mail Filters (milter) +*/ + +/* +** 32-bit type used by milter +** (needed by libmilter even if MILTER isn't defined) +*/ + +typedef SM_INT32 mi_int32; + +#if MILTER +# define SMFTO_WRITE 0 /* Timeout for sending information */ +# define SMFTO_READ 1 /* Timeout waiting for a response */ +# define SMFTO_EOM 2 /* Timeout for ACK/NAK to EOM */ +# define SMFTO_CONNECT 3 /* Timeout for connect() */ + +# define SMFTO_NUM_TO 4 /* Total number of timeouts */ + +struct milter +{ + char *mf_name; /* filter name */ + BITMAP256 mf_flags; /* MTA flags */ + mi_int32 mf_fvers; /* filter version */ + mi_int32 mf_fflags; /* filter flags */ + mi_int32 mf_pflags; /* protocol flags */ + char *mf_conn; /* connection info */ + int mf_sock; /* connected socket */ + char mf_state; /* state of filter */ + time_t mf_timeout[SMFTO_NUM_TO]; /* timeouts */ +}; + +/* MTA flags */ +# define SMF_REJECT 'R' /* Reject connection on filter fail */ +# define SMF_TEMPFAIL 'T' /* tempfail connection on failure */ +# define SMF_TEMPDROP '4' /* 421 connection on failure */ + +/* states */ +# define SMFS_CLOSED 'C' /* closed for all further actions */ +# define SMFS_OPEN 'O' /* connected to remote milter filter */ +# define SMFS_INMSG 'M' /* currently servicing a message */ +# define SMFS_DONE 'D' /* done with current message */ +# define SMFS_CLOSABLE 'Q' /* done with current connection */ +# define SMFS_ERROR 'E' /* error state */ +# define SMFS_READY 'R' /* ready for action */ + +EXTERN struct milter *InputFilters[MAXFILTERS]; +EXTERN char *InputFilterList; +EXTERN int MilterLogLevel; + +/* functions */ +extern void setup_daemon_milters __P((void)); +#endif /* MILTER */ + +/* +** Vendor codes +** +** Vendors can customize sendmail to add special behaviour, +** generally for back compatibility. Ideally, this should +** be set up in the .cf file using the "V" command. However, +** it's quite reasonable for some vendors to want the default +** be their old version; this can be set using +** -DVENDOR_DEFAULT=VENDOR_xxx +** in the Makefile. +** +** Vendors should apply to sendmail@sendmail.org for +** unique vendor codes. +*/ + +#define VENDOR_BERKELEY 1 /* Berkeley-native configuration file */ +#define VENDOR_SUN 2 /* Sun-native configuration file */ +#define VENDOR_HP 3 /* Hewlett-Packard specific config syntax */ +#define VENDOR_IBM 4 /* IBM specific config syntax */ +#define VENDOR_SENDMAIL 5 /* Sendmail, Inc. specific config syntax */ +#define VENDOR_DEC 6 /* Compaq, DEC, Digital */ + +/* prototypes for vendor-specific hook routines */ +extern void vendor_daemon_setup __P((ENVELOPE *)); +extern void vendor_set_uid __P((UID_T)); + + +/* +** Terminal escape codes. +** +** To make debugging output clearer. +*/ + +struct termescape +{ + char *te_rv_on; /* turn reverse-video on */ + char *te_rv_off; /* turn reverse-video off */ +}; + +/* +** Additional definitions +*/ + +/* +** d_flags, see daemon.c +** general rule: lower case: required, upper case: No +*/ + +#define D_AUTHREQ 'a' /* authentication required */ +#define D_BINDIF 'b' /* use if_addr for outgoing connection */ +#define D_CANONREQ 'c' /* canonification required (cf) */ +#define D_IFNHELO 'h' /* use if name for HELO */ +#define D_FQMAIL 'f' /* fq sender address required (cf) */ +#define D_FQRCPT 'r' /* fq recipient address required (cf) */ +#define D_SMTPS 's' /* SMTP over SSL (smtps) */ +#define D_UNQUALOK 'u' /* unqualified address is ok (cf) */ +#define D_NOAUTH 'A' /* no AUTH */ +#define D_NOCANON 'C' /* no canonification (cf) */ +#define D_NOETRN 'E' /* no ETRN (MSA) */ +#define D_NOTLS 'S' /* don't use STARTTLS */ +#define D_ETRNONLY ((char)0x01) /* allow only ETRN (disk low) */ +#define D_OPTIONAL 'O' /* optional socket */ +#define D_DISABLE ((char)0x02) /* optional socket disabled */ +#define D_ISSET ((char)0x03) /* this client struct is set */ + +#if STARTTLS +/* +** TLS +*/ + +/* what to do in the TLS initialization */ +#define TLS_I_NONE 0x00000000 /* no requirements... */ +#define TLS_I_CERT_EX 0x00000001 /* cert must exist */ +#define TLS_I_CERT_UNR 0x00000002 /* cert must be g/o unreadable */ +#define TLS_I_KEY_EX 0x00000004 /* key must exist */ +#define TLS_I_KEY_UNR 0x00000008 /* key must be g/o unreadable */ +#define TLS_I_CERTP_EX 0x00000010 /* CA cert path must exist */ +#define TLS_I_CERTP_UNR 0x00000020 /* CA cert path must be g/o unreadable */ +#define TLS_I_CERTF_EX 0x00000040 /* CA cert file must exist */ +#define TLS_I_CERTF_UNR 0x00000080 /* CA cert file must be g/o unreadable */ +#define TLS_I_RSA_TMP 0x00000100 /* RSA TMP must be generated */ +#define TLS_I_USE_KEY 0x00000200 /* private key must usable */ +#define TLS_I_USE_CERT 0x00000400 /* certificate must be usable */ +#define TLS_I_VRFY_PATH 0x00000800 /* load verify path must succeed */ +#define TLS_I_VRFY_LOC 0x00001000 /* load verify default must succeed */ +#define TLS_I_CACHE 0x00002000 /* require cache */ +#define TLS_I_TRY_DH 0x00004000 /* try DH certificate */ +#define TLS_I_REQ_DH 0x00008000 /* require DH certificate */ +#define TLS_I_DHPAR_EX 0x00010000 /* require DH parameters */ +#define TLS_I_DHPAR_UNR 0x00020000 /* DH param. must be g/o unreadable */ +#define TLS_I_DH512 0x00040000 /* generate 512bit DH param */ +#define TLS_I_DH1024 0x00080000 /* generate 1024bit DH param */ +#define TLS_I_DH2048 0x00100000 /* generate 2048bit DH param */ +#define TLS_I_NO_VRFY 0x00200000 /* do not require authentication */ +#define TLS_I_KEY_OUNR 0x00400000 /* Key must be other unreadable */ +#define TLS_I_CRLF_EX 0x00800000 /* CRL file must exist */ +#define TLS_I_CRLF_UNR 0x01000000 /* CRL file must be g/o unreadable */ + +/* require server cert */ +#define TLS_I_SRV_CERT (TLS_I_CERT_EX | TLS_I_KEY_EX | \ + TLS_I_KEY_UNR | TLS_I_KEY_OUNR | \ + TLS_I_CERTP_EX | TLS_I_CERTF_EX | \ + TLS_I_USE_KEY | TLS_I_USE_CERT) + +/* server requirements */ +#define TLS_I_SRV (TLS_I_SRV_CERT | TLS_I_RSA_TMP | TLS_I_VRFY_PATH | \ + TLS_I_VRFY_LOC | TLS_I_TRY_DH | TLS_I_DH512) + +/* client requirements */ +#define TLS_I_CLT (TLS_I_KEY_UNR | TLS_I_KEY_OUNR) + +#define TLS_AUTH_OK 0 +#define TLS_AUTH_NO 1 +#define TLS_AUTH_FAIL (-1) + +/* functions */ +extern bool init_tls_library __P((void)); +extern bool inittls __P((SSL_CTX **, unsigned long, bool, char *, char *, char *, char *, char *)); +extern bool initclttls __P((bool)); +extern void setclttls __P((bool)); +extern bool initsrvtls __P((bool)); +extern int tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool)); +extern int endtls __P((SSL *, char *)); +extern void tlslogerr __P((char *)); + + +EXTERN char *CACertPath; /* path to CA certificates (dir. with hashes) */ +EXTERN char *CACertFile; /* file with CA certificate */ +EXTERN char *CltCertFile; /* file with client certificate */ +EXTERN char *CltKeyFile; /* file with client private key */ +# if _FFR_TLS_1 +EXTERN char *CipherList; /* list of ciphers */ +EXTERN char *DHParams5; /* file with DH parameters (512) */ +# endif /* _FFR_TLS_1 */ +EXTERN char *DHParams; /* file with DH parameters */ +EXTERN char *RandFile; /* source of random data */ +EXTERN char *SrvCertFile; /* file with server certificate */ +EXTERN char *SrvKeyFile; /* file with server private key */ +EXTERN char *CRLFile; /* file CRLs */ +#if _FFR_CRLPATH +EXTERN char *CRLPath; /* path to CRLs (dir. with hashes) */ +#endif /* _FFR_CRLPATH */ +EXTERN unsigned long TLS_Srv_Opts; /* TLS server options */ +#endif /* STARTTLS */ + +/* +** Queue related items +*/ + +/* queue file names */ +#define ANYQFL_LETTER '?' +#define QUARQF_LETTER 'h' +#define DATAFL_LETTER 'd' +#define XSCRPT_LETTER 'x' +#define NORMQF_LETTER 'q' +#define NEWQFL_LETTER 't' + +# define TEMPQF_LETTER 'T' +# define LOSEQF_LETTER 'Q' + +/* queue sort order */ +#define QSO_BYPRIORITY 0 /* sort by message priority */ +#define QSO_BYHOST 1 /* sort by first host name */ +#define QSO_BYTIME 2 /* sort by submission time */ +#define QSO_BYFILENAME 3 /* sort by file name only */ +#define QSO_RANDOM 4 /* sort in random order */ +#define QSO_BYMODTIME 5 /* sort by modification time */ +#define QSO_NONE 6 /* do not sort */ +#if _FFR_RHS +# define QSO_BYSHUFFLE 7 /* sort by shuffled host name */ +#endif /* _FFR_RHS */ + +#define NOQGRP (-1) /* no queue group (yet) */ +#define ENVQGRP (-2) /* use queue group of envelope */ +#define NOAQGRP (-3) /* no queue group in addr (yet) */ +#define ISVALIDQGRP(x) ((x) >= 0) /* valid queue group? */ +#define NOQDIR (-1) /* no queue directory (yet) */ +#define ENVQDIR (-2) /* use queue directory of envelope */ +#define NOAQDIR (-3) /* no queue directory in addr (yet) */ +#define ISVALIDQDIR(x) ((x) >= 0) /* valid queue directory? */ +#define RS_QUEUEGROUP "queuegroup" /* ruleset for queue group selection */ + +#define NOW ((time_t) (-1)) /* queue return: now */ + +/* SuperSafe values */ +#define SAFE_NO 0 /* no fsync(): don't use... */ +#define SAFE_INTERACTIVE 1 /* limit fsync() in -odi */ +#define SAFE_REALLY 2 /* always fsync() */ +#define SAFE_REALLY_POSTMILTER 3 /* fsync() if milter says OK */ + +/* QueueMode bits */ +#define QM_NORMAL ' ' +#define QM_QUARANTINE 'Q' +#define QM_LOST 'L' + +/* Queue Run Limitations */ +struct queue_char +{ + char *queue_match; /* string to match */ + bool queue_negate; /* or not match, if set */ + struct queue_char *queue_next; +}; + +/* run_work_group() flags */ +#define RWG_NONE 0x0000 +#define RWG_FORK 0x0001 +#define RWG_VERBOSE 0x0002 +#define RWG_PERSISTENT 0x0004 +#define RWG_FORCE 0x0008 +#define RWG_RUNALL 0x0010 + +typedef struct queue_char QUEUE_CHAR; + +EXTERN int volatile CurRunners; /* current number of runner children */ +EXTERN int MaxQueueRun; /* maximum number of jobs in one queue run */ +EXTERN int MaxQueueChildren; /* max # of forked queue children */ +EXTERN int MaxRunnersPerQueue; /* max # proc's active in queue group */ +EXTERN int NiceQueueRun; /* nice queue runs to this value */ +EXTERN int NumQueue; /* number of queue groups */ +EXTERN int QueueFileMode; /* mode on files in mail queue */ +EXTERN int QueueMode; /* which queue items to act upon */ +EXTERN int QueueSortOrder; /* queue sorting order algorithm */ +EXTERN time_t MinQueueAge; /* min delivery interval */ +EXTERN time_t QueueIntvl; /* intervals between running the queue */ +EXTERN char *QueueDir; /* location of queue directory */ +EXTERN QUEUE_CHAR *QueueLimitId; /* limit queue run to id */ +EXTERN QUEUE_CHAR *QueueLimitQuarantine; /* limit queue run to quarantine reason */ +EXTERN QUEUE_CHAR *QueueLimitRecipient; /* limit queue run to rcpt */ +EXTERN QUEUE_CHAR *QueueLimitSender; /* limit queue run to sender */ +EXTERN QUEUEGRP *Queue[MAXQUEUEGROUPS + 1]; /* queue groups */ + +/* functions */ +extern void assign_queueid __P((ENVELOPE *)); +extern ADDRESS *copyqueue __P((ADDRESS *, SM_RPOOL_T *)); +extern void cleanup_queues __P((void)); +extern bool doqueuerun __P((void)); +extern void initsys __P((ENVELOPE *)); +extern void loseqfile __P((ENVELOPE *, char *)); +extern int name2qid __P((char *)); +extern char *qid_printname __P((ENVELOPE *)); +extern char *qid_printqueue __P((int, int)); +extern void quarantine_queue __P((char *, int)); +extern char *queuename __P((ENVELOPE *, int)); +extern void queueup __P((ENVELOPE *, bool, bool)); +extern bool runqueue __P((bool, bool, bool, bool)); +extern bool run_work_group __P((int, int)); +extern void set_def_queueval __P((QUEUEGRP *, bool)); +extern void setup_queues __P((bool)); +extern bool setnewqueue __P((ENVELOPE *)); +extern bool shouldqueue __P((long, time_t)); +extern void sync_queue_time __P((void)); +extern void init_qid_alg __P((void)); +extern int print_single_queue __P((int, int)); +#if REQUIRES_DIR_FSYNC +# define SYNC_DIR(path, panic) sync_dir(path, panic) +extern void sync_dir __P((char *, bool)); +#else /* REQUIRES_DIR_FSYNC */ +# define SYNC_DIR(path, panic) ((void) 0) +#endif /* REQUIRES_DIR_FSYNC */ + +/* +** Timeouts +** +** Indicated values are the MINIMUM per RFC 1123 section 5.3.2. +*/ + +EXTERN struct +{ + /* RFC 1123-specified timeouts [minimum value] */ + time_t to_initial; /* initial greeting timeout [5m] */ + time_t to_mail; /* MAIL command [5m] */ + time_t to_rcpt; /* RCPT command [5m] */ + time_t to_datainit; /* DATA initiation [2m] */ + time_t to_datablock; /* DATA block [3m] */ + time_t to_datafinal; /* DATA completion [10m] */ + time_t to_nextcommand; /* next command [5m] */ + /* following timeouts are not mentioned in RFC 1123 */ + time_t to_iconnect; /* initial connection timeout (first try) */ + time_t to_connect; /* initial connection timeout (later tries) */ + time_t to_aconnect; /* all connections timeout (MX and A records) */ + time_t to_rset; /* RSET command */ + time_t to_helo; /* HELO command */ + time_t to_quit; /* QUIT command */ + time_t to_miscshort; /* misc short commands (NOOP, VERB, etc) */ + time_t to_ident; /* IDENT protocol requests */ + time_t to_fileopen; /* opening :include: and .forward files */ + time_t to_control; /* process a control socket command */ + time_t to_lhlo; /* LMTP: LHLO command */ +#if SASL + time_t to_auth; /* AUTH dialogue [10m] */ +#endif /* SASL */ +#if STARTTLS + time_t to_starttls; /* STARTTLS dialogue [10m] */ +#endif /* STARTTLS */ + /* following are per message */ + time_t to_q_return[MAXTOCLASS]; /* queue return timeouts */ + time_t to_q_warning[MAXTOCLASS]; /* queue warning timeouts */ + time_t res_retrans[MAXRESTOTYPES]; /* resolver retransmit */ + int res_retry[MAXRESTOTYPES]; /* resolver retry */ +} TimeOuts; + +/* timeout classes for return and warning timeouts */ +#define TOC_NORMAL 0 /* normal delivery */ +#define TOC_URGENT 1 /* urgent delivery */ +#define TOC_NONURGENT 2 /* non-urgent delivery */ +#define TOC_DSN 3 /* DSN delivery */ + +/* resolver timeout specifiers */ +#define RES_TO_FIRST 0 /* first attempt */ +#define RES_TO_NORMAL 1 /* subsequent attempts */ +#define RES_TO_DEFAULT 2 /* default value */ + +/* functions */ +extern void inittimeouts __P((char *, bool)); + +/* +** Interface probing +*/ + +#define DPI_PROBENONE 0 /* Don't probe any interfaces */ +#define DPI_PROBEALL 1 /* Probe all interfaces */ +#define DPI_SKIPLOOPBACK 2 /* Don't probe loopback interfaces */ + +/* +** Trace information +*/ + +/* macros for debugging flags */ +#define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level) +#define tTdlevel(flag) (tTdvect[flag]) + +/* variables */ +extern unsigned char tTdvect[100]; /* trace vector */ + +/* +** Miscellaneous information. +*/ + +/* +** The "no queue id" queue id for sm_syslog +*/ + +#define NOQID "*~*" + +/* use id or NOQID (to avoid NOQUEUE in logfile) */ +#define E_ID(id) ((id) == NULL ? NOQID : (id)) + +#define CURHOSTNAME (CurHostName == NULL ? "local" : CurHostName) + +/* +** Some in-line functions +*/ + +/* set exit status */ +#define setstat(s) { \ + if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \ + ExitStat = s; \ + } + + +#define STRUCTCOPY(s, d) d = s + +/* free a pointer if it isn't NULL and set it to NULL */ +#define SM_FREE_CLR(p) \ + if ((p) != NULL) \ + { \ + sm_free(p); \ + (p) = NULL; \ + } \ + else + +/* +** Update a permanent string variable with a new value. +** The old value is freed, the new value is strdup'ed. +** +** We use sm_pstrdup_x to duplicate the string because it raises +** an exception on error, and because it allocates "permanent storage" +** which is not expected to be freed before process exit. +** The latter is important for memory leak analysis. +** +** If an exception occurs while strdup'ing the new value, +** then the variable remains set to the old value. +** That's why the strdup must occur before we free the old value. +** +** The macro uses a do loop so that this idiom will work: +** if (...) +** PSTRSET(var, val1); +** else +** PSTRSET(var, val2); +*/ +#define PSTRSET(var, val) \ + do \ + { \ + char *_newval = sm_pstrdup_x(val); \ + if (var != NULL) \ + sm_free(var); \ + var = _newval; \ + } while (0) + +#define _CHECK_RESTART \ + do \ + { \ + if (ShutdownRequest != NULL) \ + shutdown_daemon(); \ + else if (RestartRequest != NULL) \ + restart_daemon(); \ + else if (RestartWorkGroup) \ + restart_marked_work_groups(); \ + } while (0) + +# define CHECK_RESTART _CHECK_RESTART + +/* reply types (text in SmtpMsgBuffer) */ +#define XS_DEFAULT 0 +#define XS_STARTTLS 1 +#define XS_AUTH 2 + +/* +** Global variables. +*/ + +EXTERN bool AllowBogusHELO; /* allow syntax errors on HELO command */ +EXTERN bool CheckAliases; /* parse addresses during newaliases */ +EXTERN bool ColonOkInAddr; /* single colon legal in address */ +#if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) +EXTERN bool ConfigFileRead; /* configuration file has been read */ +#endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */ +EXTERN bool volatile DataProgress; /* have we sent anything since last check */ +EXTERN bool DisConnected; /* running with OutChannel redirect to transcript file */ +EXTERN bool DontExpandCnames; /* do not $[...$] expand CNAMEs */ +EXTERN bool DontInitGroups; /* avoid initgroups() because of NIS cost */ +EXTERN bool DontLockReadFiles; /* don't read lock support files */ +EXTERN bool DontPruneRoutes; /* don't prune source routes */ +EXTERN bool ForkQueueRuns; /* fork for each job when running the queue */ +EXTERN bool FromFlag; /* if set, "From" person is explicit */ +EXTERN bool GrabTo; /* if set, get recipients from msg */ +EXTERN bool HasEightBits; /* has at least one eight bit input byte */ +EXTERN bool HasWildcardMX; /* don't use MX records when canonifying */ +EXTERN bool HoldErrs; /* only output errors to transcript */ +EXTERN bool IgnoreHostStatus; /* ignore long term host status files */ +EXTERN bool IgnrDot; /* don't let dot end messages */ +EXTERN bool LogUsrErrs; /* syslog user errors (e.g., SMTP RCPT cmd) */ +EXTERN bool MatchGecos; /* look for user names in gecos field */ +EXTERN bool MeToo; /* send to the sender also */ +EXTERN bool NoAlias; /* suppress aliasing */ +EXTERN bool NoConnect; /* don't connect to non-local mailers */ +EXTERN bool OnlyOneError; /* .... or only want to give one SMTP reply */ +EXTERN bool QuickAbort; /* .... but only if we want a quick abort */ +#if REQUIRES_DIR_FSYNC +EXTERN bool RequiresDirfsync; /* requires fsync() for directory */ +#endif /* REQUIRES_DIR_FSYNC */ +EXTERN bool volatile RestartWorkGroup; /* daemon needs to restart some work groups */ +EXTERN bool RrtImpliesDsn; /* turn Return-Receipt-To: into DSN */ +EXTERN bool SaveFrom; /* save leading "From" lines */ +EXTERN bool SendMIMEErrors; /* send error messages in MIME format */ +EXTERN bool SevenBitInput; /* force 7-bit data on input */ +EXTERN bool SingleLineFromHeader; /* force From: header to be one line */ +EXTERN bool SingleThreadDelivery; /* single thread hosts on delivery */ +#if _FFR_SOFT_BOUNCE +EXTERN bool SoftBounce; /* replace 5xy by 4xy (for testing) */ +#endif /* _FFR_SOFT_BOUNCE */ +EXTERN bool volatile StopRequest; /* stop sending output */ +EXTERN bool SuprErrs; /* set if we are suppressing errors */ +EXTERN bool TryNullMXList; /* if we are the best MX, try host directly */ +EXTERN bool UseMSP; /* mail submission: group writable queue ok? */ +EXTERN bool WorkAroundBrokenAAAA; /* some nameservers return SERVFAIL on AAAA queries */ +EXTERN bool UseErrorsTo; /* use Errors-To: header (back compat) */ +EXTERN bool UseNameServer; /* using DNS -- interpret h_errno & MX RRs */ +EXTERN char InetMode; /* default network for daemon mode */ +EXTERN char OpMode; /* operation mode, see below */ +EXTERN char SpaceSub; /* substitution for */ +EXTERN int BadRcptThrottle; /* Throttle rejected RCPTs per SMTP message */ +EXTERN int CheckpointInterval; /* queue file checkpoint interval */ +EXTERN int ConfigLevel; /* config file level */ +EXTERN int ConnRateThrottle; /* throttle for SMTP connection rate */ +EXTERN int volatile CurChildren; /* current number of daemonic children */ +EXTERN int CurrentLA; /* current load average */ +EXTERN int DefaultNotify; /* default DSN notification flags */ +EXTERN int DelayLA; /* load average to delay connections */ +EXTERN int DontProbeInterfaces; /* don't probe interfaces for names */ +EXTERN int Errors; /* set if errors (local to single pass) */ +EXTERN int ExitStat; /* exit status code */ +EXTERN int FastSplit; /* fast initial splitting of envelopes */ +EXTERN int FileMode; /* mode on files */ +EXTERN int LineNumber; /* line number in current input */ +EXTERN int LogLevel; /* level of logging to perform */ +EXTERN int MaxAliasRecursion; /* maximum depth of alias recursion */ +EXTERN int MaxChildren; /* maximum number of daemonic children */ +EXTERN int MaxForwardEntries; /* maximum number of forward entries */ +EXTERN int MaxHeadersLength; /* max length of headers */ +EXTERN int MaxHopCount; /* max # of hops until bounce */ +EXTERN int MaxMacroRecursion; /* maximum depth of macro recursion */ +EXTERN int MaxMimeFieldLength; /* maximum MIME field length */ +EXTERN int MaxMimeHeaderLength; /* maximum MIME header length */ + +EXTERN int MaxRcptPerMsg; /* max recipients per SMTP message */ +EXTERN int MaxRuleRecursion; /* maximum depth of ruleset recursion */ +EXTERN int MimeMode; /* MIME processing mode */ +EXTERN int NoRecipientAction; + +#if SM_CONF_SHM +EXTERN int Numfilesys; /* number of queue file systems */ +EXTERN int *PNumFileSys; +# define NumFileSys (*PNumFileSys) +# else /* SM_CONF_SHM */ +EXTERN int NumFileSys; /* number of queue file systems */ +# endif /* SM_CONF_SHM */ + +EXTERN int QueueLA; /* load average starting forced queueing */ +EXTERN int RefuseLA; /* load average refusing connections */ +EXTERN time_t RejectLogInterval; /* time btwn log msgs while refusing */ +EXTERN int SuperSafe; /* be extra careful, even if expensive */ +EXTERN int VendorCode; /* vendor-specific operation enhancements */ +EXTERN int Verbose; /* set if blow-by-blow desired */ +EXTERN gid_t DefGid; /* default gid to run as */ +EXTERN gid_t RealGid; /* real gid of caller */ +EXTERN gid_t RunAsGid; /* GID to become for bulk of run */ +EXTERN gid_t EffGid; /* effective gid */ +#if SM_CONF_SHM +EXTERN key_t ShmKey; /* shared memory key */ +# if _FFR_SELECT_SHM +EXTERN char *ShmKeyFile; /* shared memory key file */ +# endif /* _FFR_SELECT_SHM */ +#endif /* SM_CONF_SHM */ +EXTERN pid_t CurrentPid; /* current process id */ +EXTERN pid_t DaemonPid; /* process id of daemon */ +EXTERN pid_t PidFilePid; /* daemon/queue runner who wrote pid file */ +EXTERN uid_t DefUid; /* default uid to run as */ +EXTERN uid_t RealUid; /* real uid of caller */ +EXTERN uid_t RunAsUid; /* UID to become for bulk of run */ +EXTERN uid_t TrustedUid; /* uid of trusted user for files and startup */ +EXTERN size_t DataFileBufferSize; /* size of buf for in-core data file */ +EXTERN time_t DeliverByMin; /* deliver by minimum time */ +EXTERN time_t DialDelay; /* delay between dial-on-demand tries */ +EXTERN time_t SafeAlias; /* interval to wait until @:@ in alias file */ +EXTERN time_t ServiceCacheMaxAge; /* refresh interval for cache */ +EXTERN size_t XscriptFileBufferSize; /* size of buf for in-core transcript file */ +EXTERN MODE_T OldUmask; /* umask when sendmail starts up */ +EXTERN long MaxMessageSize; /* advertised max size we will accept */ +EXTERN long MinBlocksFree; /* min # of blocks free on queue fs */ +EXTERN long QueueFactor; /* slope of queue function */ +EXTERN long WkClassFact; /* multiplier for message class -> priority */ +EXTERN long WkRecipFact; /* multiplier for # of recipients -> priority */ +EXTERN long WkTimeFact; /* priority offset each time this job is run */ +EXTERN char *ControlSocketName; /* control socket filename [control.c] */ +EXTERN char *CurHostName; /* current host we are dealing with */ +EXTERN char *DeadLetterDrop; /* path to dead letter office */ +EXTERN char *DefUser; /* default user to run as (from DefUid) */ +EXTERN char *DefaultCharSet; /* default character set for MIME */ +EXTERN char *DoubleBounceAddr; /* where to send double bounces */ +EXTERN char *ErrMsgFile; /* file to prepend to all error messages */ +EXTERN char *FallbackMX; /* fall back MX host */ +EXTERN char *FallbackSmartHost; /* fall back smart host */ +EXTERN char *FileName; /* name to print on error messages */ +EXTERN char *ForwardPath; /* path to search for .forward files */ +#if _FFR_HELONAME +EXTERN char *HeloName; /* hostname to announce in HELO */ +#endif /* _FFR_HELONAME */ +EXTERN char *HelpFile; /* location of SMTP help file */ +EXTERN char *HostStatDir; /* location of host status information */ +EXTERN char *HostsFile; /* path to /etc/hosts file */ +extern char *Mbdb; /* mailbox database type */ +EXTERN char *MustQuoteChars; /* quote these characters in phrases */ +EXTERN char *MyHostName; /* name of this host for SMTP messages */ +EXTERN char *OperatorChars; /* operators (old $o macro) */ +EXTERN char *PidFile; /* location of proc id file [conf.c] */ +EXTERN char *PostMasterCopy; /* address to get errs cc's */ +EXTERN char *ProcTitlePrefix; /* process title prefix */ +EXTERN char *RealHostName; /* name of host we are talking to */ +EXTERN char *RealUserName; /* real user name of caller */ +EXTERN char *volatile RestartRequest;/* a sendmail restart has been requested */ +EXTERN char *RunAsUserName; /* user to become for bulk of run */ +EXTERN char *SafeFileEnv; /* chroot location for file delivery */ +EXTERN char *ServiceSwitchFile; /* backup service switch */ +EXTERN char *volatile ShutdownRequest;/* a sendmail shutdown has been requested */ +EXTERN char *SmtpGreeting; /* SMTP greeting message (old $e macro) */ +EXTERN char *SmtpPhase; /* current phase in SMTP processing */ +EXTERN char SmtpError[MAXLINE]; /* save failure error messages */ +EXTERN char *StatFile; /* location of statistics summary */ +EXTERN char *TimeZoneSpec; /* override time zone specification */ +EXTERN char *UdbSpec; /* user database source spec */ +EXTERN char *UnixFromLine; /* UNIX From_ line (old $l macro) */ +EXTERN char **ExternalEnviron; /* saved user (input) environment */ +EXTERN char **SaveArgv; /* argument vector for re-execing */ +EXTERN BITMAP256 DontBlameSendmail; /* DontBlameSendmail bits */ +EXTERN SM_FILE_T *InChannel; /* input connection */ +EXTERN SM_FILE_T *OutChannel; /* output connection */ +EXTERN SM_FILE_T *TrafficLogFile; /* file in which to log all traffic */ +#if HESIOD +EXTERN void *HesiodContext; +#endif /* HESIOD */ +EXTERN ENVELOPE *CurEnv; /* envelope currently being processed */ +EXTERN char *RuleSetNames[MAXRWSETS]; /* ruleset number to name */ +EXTERN char *UserEnviron[MAXUSERENVIRON + 1]; +EXTERN struct rewrite *RewriteRules[MAXRWSETS]; +EXTERN struct termescape TermEscape; /* terminal escape codes */ +EXTERN SOCKADDR ConnectOnlyTo; /* override connection address (for testing) */ +EXTERN SOCKADDR RealHostAddr; /* address of host we are talking to */ +extern const SM_EXC_TYPE_T EtypeQuickAbort; /* type of a QuickAbort exception */ + + +EXTERN int ConnectionRateWindowSize; + +/* +** Declarations of useful functions +*/ + +/* Transcript file */ +extern void closexscript __P((ENVELOPE *)); +extern void openxscript __P((ENVELOPE *)); + +/* error related */ +extern void buffer_errors __P((void)); +extern void flush_errors __P((bool)); +extern void PRINTFLIKE(1, 2) message __P((const char *, ...)); +extern void PRINTFLIKE(1, 2) nmessage __P((const char *, ...)); +extern void PRINTFLIKE(1, 2) syserr __P((const char *, ...)); +extern void PRINTFLIKE(2, 3) usrerrenh __P((char *, const char *, ...)); +extern void PRINTFLIKE(1, 2) usrerr __P((const char *, ...)); +extern int isenhsc __P((const char *, int)); +extern int extenhsc __P((const char *, int, char *)); + +/* alias file */ +extern void alias __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); +extern bool aliaswait __P((MAP *, char *, bool)); +extern void forward __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); +extern void readaliases __P((MAP *, SM_FILE_T *, bool, bool)); +extern bool rebuildaliases __P((MAP *, bool)); +extern void setalias __P((char *)); + +/* logging */ +extern void logdelivery __P((MAILER *, MCI *, char *, const char *, ADDRESS *, time_t, ENVELOPE *)); +extern void logsender __P((ENVELOPE *, char *)); +extern void PRINTFLIKE(3, 4) sm_syslog __P((int, const char *, const char *, ...)); + +/* SMTP */ +extern void giveresponse __P((int, char *, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *)); +extern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)__P((char *, bool, MAILER *, MCI *, ENVELOPE *)), char **, int)); +extern void smtp __P((char *volatile, BITMAP256, ENVELOPE *volatile)); +#if SASL +extern int smtpauth __P((MAILER *, MCI *, ENVELOPE *)); +#endif /* SASL */ +extern int smtpdata __P((MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t)); +extern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *)); +extern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *)); +extern void smtpmessage __P((char *, MAILER *, MCI *, ...)); +extern void smtpinit __P((MAILER *, MCI *, ENVELOPE *, bool)); +extern char *smtptodsn __P((int)); +extern int smtpprobe __P((MCI *)); +extern void smtpquit __P((MAILER *, MCI *, ENVELOPE *)); +extern int smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t)); +extern void smtprset __P((MAILER *, MCI *, ENVELOPE *)); + +#define ISSMTPCODE(c) (isascii(c[0]) && isdigit(c[0]) && \ + isascii(c[1]) && isdigit(c[1]) && \ + isascii(c[2]) && isdigit(c[2])) +#define ISSMTPREPLY(c) (ISSMTPCODE(c) && \ + (c[3] == ' ' || c[3] == '-' || c[3] == '\0')) + +/* delivery */ +extern pid_t dowork __P((int, int, char *, bool, bool, ENVELOPE *)); +extern pid_t doworklist __P((ENVELOPE *, bool, bool)); +extern int endmailer __P((MCI *, ENVELOPE *, char **)); +extern int mailfile __P((char *volatile, MAILER *volatile, ADDRESS *, volatile long, ENVELOPE *)); +extern void sendall __P((ENVELOPE *, int)); + +/* stats */ +#define STATS_NORMAL 'n' +#define STATS_QUARANTINE 'q' +#define STATS_REJECT 'r' +#define STATS_CONNECT 'c' + +extern void markstats __P((ENVELOPE *, ADDRESS *, int)); +extern void clearstats __P((void)); +extern void poststats __P((char *)); + +/* control socket */ +extern void closecontrolsocket __P((bool)); +extern void clrcontrol __P((void)); +extern void control_command __P((int, ENVELOPE *)); +extern int opencontrolsocket __P((void)); + +#if MILTER +/* milter functions */ +extern void milter_config __P((char *, struct milter **, int)); +extern void milter_setup __P((char *)); +extern void milter_set_option __P((char *, char *, bool)); +extern bool milter_can_delrcpts __P((void)); +extern bool milter_init __P((ENVELOPE *, char *)); +extern void milter_quit __P((ENVELOPE *)); +extern void milter_abort __P((ENVELOPE *)); +extern char *milter_connect __P((char *, SOCKADDR, ENVELOPE *, char *)); +extern char *milter_helo __P((char *, ENVELOPE *, char *)); +extern char *milter_envfrom __P((char **, ENVELOPE *, char *)); +extern char *milter_data_cmd __P((ENVELOPE *, char *)); +extern char *milter_envrcpt __P((char **, ENVELOPE *, char *)); +extern char *milter_data __P((ENVELOPE *, char *)); +extern char *milter_unknown __P((char *, ENVELOPE *, char *)); +#endif /* MILTER */ + +extern char *addquotes __P((char *, SM_RPOOL_T *)); +extern char *arpadate __P((char *)); +extern bool atobool __P((char *)); +extern int atooct __P((char *)); +extern void auth_warning __P((ENVELOPE *, const char *, ...)); +extern int blocksignal __P((int)); +extern bool bitintersect __P((BITMAP256, BITMAP256)); +extern bool bitzerop __P((BITMAP256)); +extern int check_bodytype __P((char *)); +extern void buildfname __P((char *, char *, char *, int)); +extern bool chkclientmodifiers __P((int)); +extern bool chkdaemonmodifiers __P((int)); +extern int checkcompat __P((ADDRESS *, ENVELOPE *)); +#ifdef XDEBUG +extern void checkfd012 __P((char *)); +extern void checkfdopen __P((int, char *)); +#endif /* XDEBUG */ +extern void checkfds __P((char *)); +extern bool chownsafe __P((int, bool)); +extern void cleanstrcpy __P((char *, char *, int)); +#if SM_CONF_SHM +extern void cleanup_shm __P((bool)); +#endif /* SM_CONF_SHM */ +extern void close_sendmail_pid __P((void)); +extern void clrdaemon __P((void)); +extern void collect __P((SM_FILE_T *, bool, HDR **, ENVELOPE *, bool)); +extern bool connection_rate_check __P((SOCKADDR *, ENVELOPE *)); +extern time_t convtime __P((char *, int)); +extern char **copyplist __P((char **, bool, SM_RPOOL_T *)); +extern void copy_class __P((int, int)); +extern int count_open_connections __P((SOCKADDR *)); +extern time_t curtime __P((void)); +extern char *defcharset __P((ENVELOPE *)); +extern char *denlstring __P((char *, bool, bool)); +extern void dferror __P((SM_FILE_T *volatile, char *, ENVELOPE *)); +extern void disconnect __P((int, ENVELOPE *)); +#if _FFR_CONTROL_MSTAT +extern void disk_status __P((SM_FILE_T *, char *)); +#endif /* _FFR_CONTROL_MSTAT */ +extern bool dns_getcanonname __P((char *, int, bool, int *, int *)); +extern pid_t dofork __P((void)); +extern int drop_privileges __P((bool)); +extern int dsntoexitstat __P((char *)); +extern void dumpfd __P((int, bool, bool)); +extern void dumpstate __P((char *)); +extern bool enoughdiskspace __P((long, ENVELOPE *)); +extern char *exitstat __P((char *)); +extern void fatal_error __P((SM_EXC_T *)); +extern char *fgetfolded __P((char *, int, SM_FILE_T *)); +extern void fill_fd __P((int, char *)); +extern char *find_character __P((char *, int)); +extern int finduser __P((char *, bool *, SM_MBDB_T *)); +extern void finis __P((bool, bool, volatile int)); +extern void fixcrlf __P((char *, bool)); +extern long freediskspace __P((char *, long *)); +#if NETINET6 && NEEDSGETIPNODE +extern void freehostent __P((struct hostent *)); +#endif /* NETINET6 && NEEDSGETIPNODE */ +extern char *get_column __P((char *, int, int, char *, int)); +extern char *getauthinfo __P((int, bool *)); +extern int getdtsize __P((void)); +extern int getla __P((void)); +extern char *getmodifiers __P((char *, BITMAP256)); +extern BITMAP256 *getrequests __P((ENVELOPE *)); +extern char *getvendor __P((int)); +extern void help __P((char *, ENVELOPE *)); +extern void init_md __P((int, char **)); +extern void initdaemon __P((void)); +extern void inithostmaps __P((void)); +extern void initmacros __P((ENVELOPE *)); +extern void initsetproctitle __P((int, char **, char **)); +extern void init_vendor_macros __P((ENVELOPE *)); +extern SIGFUNC_DECL intsig __P((int)); +extern bool isloopback __P((SOCKADDR sa)); +extern void load_if_names __P((void)); +extern bool lockfile __P((int, char *, char *, int)); +extern void log_sendmail_pid __P((ENVELOPE *)); +extern void logundelrcpts __P((ENVELOPE *, char *, int, bool)); +extern char lower __P((int)); +extern void makelower __P((char *)); +extern int makeconnection_ds __P((char *, MCI *)); +extern int makeconnection __P((char *, volatile unsigned int, MCI *, ENVELOPE *, time_t)); +extern void makeworkgroups __P((void)); +extern void markfailure __P((ENVELOPE *, ADDRESS *, MCI *, int, bool)); +extern void mark_work_group_restart __P((int, int)); +extern char * munchstring __P((char *, char **, int)); +extern struct hostent *myhostname __P((char *, int)); +extern char *newstr __P((const char *)); +#if NISPLUS +extern char *nisplus_default_domain __P((void)); /* extern for Sun */ +#endif /* NISPLUS */ +extern bool path_is_dir __P((char *, bool)); +extern int pickqdir __P((QUEUEGRP *qg, long fsize, ENVELOPE *e)); +extern char *pintvl __P((time_t, bool)); +extern void printav __P((SM_FILE_T *, char **)); +extern void printmailer __P((SM_FILE_T *, MAILER *)); +extern void printnqe __P((SM_FILE_T *, char *)); +extern void printopenfds __P((bool)); +extern void printqueue __P((void)); +extern void printrules __P((void)); +extern pid_t prog_open __P((char **, int *, ENVELOPE *)); +extern void putline __P((char *, MCI *)); +extern void putxline __P((char *, size_t, MCI *, int)); +extern void queueup_macros __P((int, SM_FILE_T *, ENVELOPE *)); +extern void readcf __P((char *, bool, ENVELOPE *)); +extern SIGFUNC_DECL reapchild __P((int)); +extern int releasesignal __P((int)); +extern void resetlimits __P((void)); +extern void restart_daemon __P((void)); +extern void restart_marked_work_groups __P((void)); +extern bool rfc822_string __P((char *)); +extern bool savemail __P((ENVELOPE *, bool)); +extern void seed_random __P((void)); +extern void sendtoargv __P((char **, ENVELOPE *)); +extern void setclientoptions __P((char *)); +extern bool setdaemonoptions __P((char *)); +extern void setdefaults __P((ENVELOPE *)); +extern void setdefuser __P((void)); +extern bool setvendor __P((char *)); +extern void set_op_mode __P((int)); +extern void setoption __P((int, char *, bool, bool, ENVELOPE *)); +extern sigfunc_t setsignal __P((int, sigfunc_t)); +extern void setuserenv __P((const char *, const char *)); +extern void settime __P((ENVELOPE *)); +extern char *sfgets __P((char *, int, SM_FILE_T *, time_t, char *)); +extern char *shortenstring __P((const char *, size_t)); +extern char *shorten_hostname __P((char [])); +extern bool shorten_rfc822_string __P((char *, size_t)); +extern void shutdown_daemon __P((void)); +extern void sm_closefrom __P((int lowest, int highest)); +extern void sm_close_on_exec __P((int lowest, int highest)); +extern struct hostent *sm_gethostbyname __P((char *, int)); +extern struct hostent *sm_gethostbyaddr __P((char *, int, int)); +extern void sm_getla __P((void)); +extern struct passwd *sm_getpwnam __P((char *)); +extern struct passwd *sm_getpwuid __P((UID_T)); +extern void sm_setproctitle __P((bool, ENVELOPE *, const char *, ...)); +extern pid_t sm_wait __P((int *)); +extern bool split_by_recipient __P((ENVELOPE *e)); +extern void stop_sendmail __P((void)); +extern char *str2prt __P((char *)); +extern void stripbackslash __P((char *)); +extern bool strreplnonprt __P((char *, int)); +extern bool strcontainedin __P((bool, char *, char *)); +extern int switch_map_find __P((char *, char *[], short [])); +extern bool transienterror __P((int)); +#if _FFR_BESTMX_BETTER_TRUNCATION || _FFR_DNSMAP_MULTI +extern void truncate_at_delim __P((char *, size_t, int)); +#endif /* _FFR_BESTMX_BETTER_TRUNCATION || _FFR_DNSMAP_MULTI */ +extern void tTflag __P((char *)); +extern void tTsetup __P((unsigned char *, unsigned int, char *)); +extern SIGFUNC_DECL tick __P((int)); +extern char *ttypath __P((void)); +extern void unlockqueue __P((ENVELOPE *)); +#if !HASUNSETENV +extern void unsetenv __P((char *)); +#endif /* !HASUNSETENV */ + +/* update file system information: +/- some blocks */ +#if SM_CONF_SHM +extern void upd_qs __P((ENVELOPE *, bool, bool, char *)); +# define updfs(e, count, space, where) upd_qs(e, count, space, where) +#else /* SM_CONF_SHM */ +# define updfs(e, count, space, where) +# define upd_qs(e, count, space, where) +#endif /* SM_CONF_SHM */ + +extern char *username __P((void)); +extern bool usershellok __P((char *, char *)); +extern void vendor_post_defaults __P((ENVELOPE *)); +extern void vendor_pre_defaults __P((ENVELOPE *)); +extern int waitfor __P((pid_t)); +extern bool writable __P((char *, ADDRESS *, long)); +#if SM_HEAP_CHECK +# define xalloc(size) xalloc_tagged(size, __FILE__, __LINE__) +extern char *xalloc_tagged __P((int, char*, int)); +#else /* SM_HEAP_CHECK */ +extern char *xalloc __P((int)); +#endif /* SM_HEAP_CHECK */ +extern void xputs __P((SM_FILE_T *, const char *)); +extern char *xtextify __P((char *, char *)); +extern bool xtextok __P((char *)); +extern int xunlink __P((char *)); +extern char *xuntextify __P((char *)); + + +#endif /* ! _SENDMAIL_H */ diff --git a/contrib/sendmail-8.13.4/sendmail/sfsasl.c b/contrib/sendmail-8.13.4/sendmail/sfsasl.c new file mode 100644 index 0000000000..38eb7aff80 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sfsasl.c @@ -0,0 +1,797 @@ +/* + * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +SM_RCSID("@(#)$Id: sfsasl.c,v 8.101 2004/12/15 22:45:55 ca Exp $") +#include +#include +#include + +/* allow to disable error handling code just in case... */ +#ifndef DEAL_WITH_ERROR_SSL +# define DEAL_WITH_ERROR_SSL 1 +#endif /* ! DEAL_WITH_ERROR_SSL */ + +#if SASL +# include "sfsasl.h" + +/* Structure used by the "sasl" file type */ +struct sasl_obj +{ + SM_FILE_T *fp; + sasl_conn_t *conn; +}; + +struct sasl_info +{ + SM_FILE_T *fp; + sasl_conn_t *conn; +}; + +/* +** SASL_GETINFO - returns requested information about a "sasl" file +** descriptor. +** +** Parameters: +** fp -- the file descriptor +** what -- the type of information requested +** valp -- the thang to return the information in +** +** Returns: +** -1 for unknown requests +** >=0 on success with valp filled in (if possible). +*/ + +static int sasl_getinfo __P((SM_FILE_T *, int, void *)); + +static int +sasl_getinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + struct sasl_obj *so = (struct sasl_obj *) fp->f_cookie; + + switch (what) + { + case SM_IO_WHAT_FD: + if (so->fp == NULL) + return -1; + return so->fp->f_file; /* for stdio fileno() compatability */ + + case SM_IO_IS_READABLE: + if (so->fp == NULL) + return 0; + + /* get info from underlying file */ + return sm_io_getinfo(so->fp, what, valp); + + default: + return -1; + } +} + +/* +** SASL_OPEN -- creates the sasl specific information for opening a +** file of the sasl type. +** +** Parameters: +** fp -- the file pointer associated with the new open +** info -- contains the sasl connection information pointer and +** the original SM_FILE_T that holds the open +** flags -- ignored +** rpool -- ignored +** +** Returns: +** 0 on success +*/ + +static int sasl_open __P((SM_FILE_T *, const void *, int, const void *)); + +/* ARGSUSED2 */ +static int +sasl_open(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + struct sasl_obj *so; + struct sasl_info *si = (struct sasl_info *) info; + + so = (struct sasl_obj *) sm_malloc(sizeof(struct sasl_obj)); + if (so == NULL) + { + errno = ENOMEM; + return -1; + } + so->fp = si->fp; + so->conn = si->conn; + + /* + ** The underlying 'fp' is set to SM_IO_NOW so that the entire + ** encoded string is written in one chunk. Otherwise there is + ** the possibility that it may appear illegal, bogus or + ** mangled to the other side of the connection. + ** We will read or write through 'fp' since it is the opaque + ** connection for the communications. We need to treat it this + ** way in case the encoded string is to be sent down a TLS + ** connection rather than, say, sm_io's stdio. + */ + + (void) sm_io_setvbuf(so->fp, SM_TIME_DEFAULT, NULL, SM_IO_NOW, 0); + fp->f_cookie = so; + return 0; +} + +/* +** SASL_CLOSE -- close the sasl specific parts of the sasl file pointer +** +** Parameters: +** fp -- the file pointer to close +** +** Returns: +** 0 on success +*/ + +static int sasl_close __P((SM_FILE_T *)); + +static int +sasl_close(fp) + SM_FILE_T *fp; +{ + struct sasl_obj *so; + + so = (struct sasl_obj *) fp->f_cookie; + if (so == NULL) + return 0; + if (so->fp != NULL) + { + sm_io_close(so->fp, SM_TIME_DEFAULT); + so->fp = NULL; + } + sm_free(so); + so = NULL; + return 0; +} + +/* how to deallocate a buffer allocated by SASL */ +extern void sm_sasl_free __P((void *)); +# define SASL_DEALLOC(b) sm_sasl_free(b) + +/* +** SASL_READ -- read encrypted information and decrypt it for the caller +** +** Parameters: +** fp -- the file pointer +** buf -- the location to place the decrypted information +** size -- the number of bytes to read after decryption +** +** Results: +** -1 on error +** otherwise the number of bytes read +*/ + +static ssize_t sasl_read __P((SM_FILE_T *, char *, size_t)); + +static ssize_t +sasl_read(fp, buf, size) + SM_FILE_T *fp; + char *buf; + size_t size; +{ + int result; + ssize_t len; +# if SASL >= 20000 + static const char *outbuf = NULL; +# else /* SASL >= 20000 */ + static char *outbuf = NULL; +# endif /* SASL >= 20000 */ + static unsigned int outlen = 0; + static unsigned int offset = 0; + struct sasl_obj *so = (struct sasl_obj *) fp->f_cookie; + + /* + ** sasl_decode() may require more data than a single read() returns. + ** Hence we have to put a loop around the decoding. + ** This also requires that we may have to split up the returned + ** data since it might be larger than the allowed size. + ** Therefore we use a static pointer and return portions of it + ** if necessary. + ** XXX Note: This function is not thread-safe nor can it be used + ** on more than one file. A correct implementation would store + ** this data in fp->f_cookie. + */ + +# if SASL >= 20000 + while (outlen == 0) +# else /* SASL >= 20000 */ + while (outbuf == NULL && outlen == 0) +# endif /* SASL >= 20000 */ + { + len = sm_io_read(so->fp, SM_TIME_DEFAULT, buf, size); + if (len <= 0) + return len; + result = sasl_decode(so->conn, buf, + (unsigned int) len, &outbuf, &outlen); + if (result != SASL_OK) + { + outbuf = NULL; + offset = 0; + outlen = 0; + return -1; + } + } + + if (outbuf == NULL) + { + /* be paranoid: outbuf == NULL but outlen != 0 */ + syserr("@sasl_read failure: outbuf == NULL but outlen != 0"); + /* NOTREACHED */ + } + if (outlen - offset > size) + { + /* return another part of the buffer */ + (void) memcpy(buf, outbuf + offset, size); + offset += size; + len = size; + } + else + { + /* return the rest of the buffer */ + len = outlen - offset; + (void) memcpy(buf, outbuf + offset, (size_t) len); +# if SASL < 20000 + SASL_DEALLOC(outbuf); +# endif /* SASL < 20000 */ + outbuf = NULL; + offset = 0; + outlen = 0; + } + return len; +} + +/* +** SASL_WRITE -- write information out after encrypting it +** +** Parameters: +** fp -- the file pointer +** buf -- holds the data to be encrypted and written +** size -- the number of bytes to have encrypted and written +** +** Returns: +** -1 on error +** otherwise number of bytes written +*/ + +static ssize_t sasl_write __P((SM_FILE_T *, const char *, size_t)); + +static ssize_t +sasl_write(fp, buf, size) + SM_FILE_T *fp; + const char *buf; + size_t size; +{ + int result; +# if SASL >= 20000 + const char *outbuf; +# else /* SASL >= 20000 */ + char *outbuf; +# endif /* SASL >= 20000 */ + unsigned int outlen, *maxencode; + size_t ret = 0, total = 0; + struct sasl_obj *so = (struct sasl_obj *) fp->f_cookie; + + /* + ** Fetch the maximum input buffer size for sasl_encode(). + ** This can be less than the size set in attemptauth() + ** due to a negotation with the other side, e.g., + ** Cyrus IMAP lmtp program sets maxbuf=4096, + ** digestmd5 substracts 25 and hence we'll get 4071 + ** instead of 8192 (MAXOUTLEN). + ** Hack (for now): simply reduce the size, callers are (must be) + ** able to deal with that and invoke sasl_write() again with + ** the rest of the data. + ** Note: it would be better to store this value in the context + ** after the negotiation. + */ + + result = sasl_getprop(so->conn, SASL_MAXOUTBUF, + (const void **) &maxencode); + if (result == SASL_OK && size > *maxencode && *maxencode > 0) + size = *maxencode; + + result = sasl_encode(so->conn, buf, + (unsigned int) size, &outbuf, &outlen); + + if (result != SASL_OK) + return -1; + + if (outbuf != NULL) + { + while (outlen > 0) + { + /* XXX result == 0? */ + ret = sm_io_write(so->fp, SM_TIME_DEFAULT, + &outbuf[total], outlen); + if (ret <= 0) + return ret; + outlen -= ret; + total += ret; + } +# if SASL < 20000 + SASL_DEALLOC(outbuf); +# endif /* SASL < 20000 */ + } + return size; +} + +/* +** SFDCSASL -- create sasl file type and open in and out file pointers +** for sendmail to read from and write to. +** +** Parameters: +** fin -- the sm_io file encrypted data to be read from +** fout -- the sm_io file encrypted data to be writen to +** conn -- the sasl connection pointer +** +** Returns: +** -1 on error +** 0 on success +** +** Side effects: +** The arguments "fin" and "fout" are replaced with the new +** SM_FILE_T pointers. +*/ + +int +sfdcsasl(fin, fout, conn) + SM_FILE_T **fin; + SM_FILE_T **fout; + sasl_conn_t *conn; +{ + SM_FILE_T *newin, *newout; + SM_FILE_T SM_IO_SET_TYPE(sasl_vector, "sasl", sasl_open, sasl_close, + sasl_read, sasl_write, NULL, sasl_getinfo, NULL, + SM_TIME_FOREVER); + struct sasl_info info; + + if (conn == NULL) + { + /* no need to do anything */ + return 0; + } + + SM_IO_INIT_TYPE(sasl_vector, "sasl", sasl_open, sasl_close, + sasl_read, sasl_write, NULL, sasl_getinfo, NULL, + SM_TIME_FOREVER); + info.fp = *fin; + info.conn = conn; + newin = sm_io_open(&sasl_vector, SM_TIME_DEFAULT, &info, + SM_IO_RDONLY_B, NULL); + + if (newin == NULL) + return -1; + + info.fp = *fout; + info.conn = conn; + newout = sm_io_open(&sasl_vector, SM_TIME_DEFAULT, &info, + SM_IO_WRONLY_B, NULL); + + if (newout == NULL) + { + (void) sm_io_close(newin, SM_TIME_DEFAULT); + return -1; + } + sm_io_automode(newin, newout); + + *fin = newin; + *fout = newout; + return 0; +} +#endif /* SASL */ + +#if STARTTLS +# include "sfsasl.h" +# include + +/* Structure used by the "tls" file type */ +struct tls_obj +{ + SM_FILE_T *fp; + SSL *con; +}; + +struct tls_info +{ + SM_FILE_T *fp; + SSL *con; +}; + +/* +** TLS_GETINFO - returns requested information about a "tls" file +** descriptor. +** +** Parameters: +** fp -- the file descriptor +** what -- the type of information requested +** valp -- the thang to return the information in (unused) +** +** Returns: +** -1 for unknown requests +** >=0 on success with valp filled in (if possible). +*/ + +static int tls_getinfo __P((SM_FILE_T *, int, void *)); + +/* ARGSUSED2 */ +static int +tls_getinfo(fp, what, valp) + SM_FILE_T *fp; + int what; + void *valp; +{ + struct tls_obj *so = (struct tls_obj *) fp->f_cookie; + + switch (what) + { + case SM_IO_WHAT_FD: + if (so->fp == NULL) + return -1; + return so->fp->f_file; /* for stdio fileno() compatability */ + + case SM_IO_IS_READABLE: + return SSL_pending(so->con) > 0; + + default: + return -1; + } +} + +/* +** TLS_OPEN -- creates the tls specific information for opening a +** file of the tls type. +** +** Parameters: +** fp -- the file pointer associated with the new open +** info -- the sm_io file pointer holding the open and the +** TLS encryption connection to be read from or written to +** flags -- ignored +** rpool -- ignored +** +** Returns: +** 0 on success +*/ + +static int tls_open __P((SM_FILE_T *, const void *, int, const void *)); + +/* ARGSUSED2 */ +static int +tls_open(fp, info, flags, rpool) + SM_FILE_T *fp; + const void *info; + int flags; + const void *rpool; +{ + struct tls_obj *so; + struct tls_info *ti = (struct tls_info *) info; + + so = (struct tls_obj *) sm_malloc(sizeof(struct tls_obj)); + if (so == NULL) + { + errno = ENOMEM; + return -1; + } + so->fp = ti->fp; + so->con = ti->con; + + /* + ** We try to get the "raw" file descriptor that TLS uses to + ** do the actual read/write with. This is to allow us control + ** over the file descriptor being a blocking or non-blocking type. + ** Under the covers TLS handles the change and this allows us + ** to do timeouts with sm_io. + */ + + fp->f_file = sm_io_getinfo(so->fp, SM_IO_WHAT_FD, NULL); + (void) sm_io_setvbuf(so->fp, SM_TIME_DEFAULT, NULL, SM_IO_NOW, 0); + fp->f_cookie = so; + return 0; +} + +/* +** TLS_CLOSE -- close the tls specific parts of the tls file pointer +** +** Parameters: +** fp -- the file pointer to close +** +** Returns: +** 0 on success +*/ + +static int tls_close __P((SM_FILE_T *)); + +static int +tls_close(fp) + SM_FILE_T *fp; +{ + struct tls_obj *so; + + so = (struct tls_obj *) fp->f_cookie; + if (so == NULL) + return 0; + if (so->fp != NULL) + { + sm_io_close(so->fp, SM_TIME_DEFAULT); + so->fp = NULL; + } + sm_free(so); + so = NULL; + return 0; +} + +/* maximum number of retries for TLS related I/O due to handshakes */ +# define MAX_TLS_IOS 4 + +/* +** TLS_READ -- read secured information for the caller +** +** Parameters: +** fp -- the file pointer +** buf -- the location to place the data +** size -- the number of bytes to read from connection +** +** Results: +** -1 on error +** otherwise the number of bytes read +*/ + +static ssize_t tls_read __P((SM_FILE_T *, char *, size_t)); + +static ssize_t +tls_read(fp, buf, size) + SM_FILE_T *fp; + char *buf; + size_t size; +{ + int r; + static int again = MAX_TLS_IOS; + struct tls_obj *so = (struct tls_obj *) fp->f_cookie; + char *err; + + r = SSL_read(so->con, (char *) buf, size); + + if (r > 0) + { + again = MAX_TLS_IOS; + return r; + } + + err = NULL; + switch (SSL_get_error(so->con, r)) + { + case SSL_ERROR_NONE: + case SSL_ERROR_ZERO_RETURN: + again = MAX_TLS_IOS; + break; + case SSL_ERROR_WANT_WRITE: + if (--again <= 0) + err = "read W BLOCK"; + else + errno = EAGAIN; + break; + case SSL_ERROR_WANT_READ: + if (--again <= 0) + err = "read R BLOCK"; + else + errno = EAGAIN; + break; + case SSL_ERROR_WANT_X509_LOOKUP: + err = "write X BLOCK"; + break; + case SSL_ERROR_SYSCALL: + if (r == 0 && errno == 0) /* out of protocol EOF found */ + break; + err = "syscall error"; +/* + get_last_socket_error()); +*/ + break; + case SSL_ERROR_SSL: +#if DEAL_WITH_ERROR_SSL + if (r == 0 && errno == 0) /* out of protocol EOF found */ + break; +#endif /* DEAL_WITH_ERROR_SSL */ + err = "generic SSL error"; + if (LogLevel > 9) + tlslogerr("read"); + +#if DEAL_WITH_ERROR_SSL + /* avoid repeated calls? */ + if (r == 0) + r = -1; +#endif /* DEAL_WITH_ERROR_SSL */ + break; + } + if (err != NULL) + { + int save_errno; + + save_errno = (errno == 0) ? EIO : errno; + again = MAX_TLS_IOS; + if (LogLevel > 9) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: read error=%s (%d), errno=%d, get_error=%s", + err, r, errno, + ERR_error_string(ERR_get_error(), NULL)); + else if (LogLevel > 7) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: read error=%s (%d)", err, r); + errno = save_errno; + } + return r; +} + +/* +** TLS_WRITE -- write information out through secure connection +** +** Parameters: +** fp -- the file pointer +** buf -- holds the data to be securely written +** size -- the number of bytes to write +** +** Returns: +** -1 on error +** otherwise number of bytes written +*/ + +static ssize_t tls_write __P((SM_FILE_T *, const char *, size_t)); + +static ssize_t +tls_write(fp, buf, size) + SM_FILE_T *fp; + const char *buf; + size_t size; +{ + int r; + static int again = MAX_TLS_IOS; + struct tls_obj *so = (struct tls_obj *) fp->f_cookie; + char *err; + + r = SSL_write(so->con, (char *) buf, size); + + if (r > 0) + { + again = MAX_TLS_IOS; + return r; + } + err = NULL; + switch (SSL_get_error(so->con, r)) + { + case SSL_ERROR_NONE: + case SSL_ERROR_ZERO_RETURN: + again = MAX_TLS_IOS; + break; + case SSL_ERROR_WANT_WRITE: + if (--again <= 0) + err = "write W BLOCK"; + else + errno = EAGAIN; + break; + case SSL_ERROR_WANT_READ: + if (--again <= 0) + err = "write R BLOCK"; + else + errno = EAGAIN; + break; + case SSL_ERROR_WANT_X509_LOOKUP: + err = "write X BLOCK"; + break; + case SSL_ERROR_SYSCALL: + if (r == 0 && errno == 0) /* out of protocol EOF found */ + break; + err = "syscall error"; +/* + get_last_socket_error()); +*/ + break; + case SSL_ERROR_SSL: + err = "generic SSL error"; +/* + ERR_GET_REASON(ERR_peek_error())); +*/ + if (LogLevel > 9) + tlslogerr("write"); + +#if DEAL_WITH_ERROR_SSL + /* avoid repeated calls? */ + if (r == 0) + r = -1; +#endif /* DEAL_WITH_ERROR_SSL */ + break; + } + if (err != NULL) + { + int save_errno; + + save_errno = (errno == 0) ? EIO : errno; + again = MAX_TLS_IOS; + if (LogLevel > 9) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: write error=%s (%d), errno=%d, get_error=%s", + err, r, errno, + ERR_error_string(ERR_get_error(), NULL)); + else if (LogLevel > 7) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: write error=%s (%d)", err, r); + errno = save_errno; + } + return r; +} + +/* +** SFDCTLS -- create tls file type and open in and out file pointers +** for sendmail to read from and write to. +** +** Parameters: +** fin -- data input source being replaced +** fout -- data output source being replaced +** con -- the tls connection pointer +** +** Returns: +** -1 on error +** 0 on success +** +** Side effects: +** The arguments "fin" and "fout" are replaced with the new +** SM_FILE_T pointers. +** The original "fin" and "fout" are preserved in the tls file +** type but are not actually used because of the design of TLS. +*/ + +int +sfdctls(fin, fout, con) + SM_FILE_T **fin; + SM_FILE_T **fout; + SSL *con; +{ + SM_FILE_T *tlsin, *tlsout; + SM_FILE_T SM_IO_SET_TYPE(tls_vector, "tls", tls_open, tls_close, + tls_read, tls_write, NULL, tls_getinfo, NULL, + SM_TIME_FOREVER); + struct tls_info info; + + SM_ASSERT(con != NULL); + + SM_IO_INIT_TYPE(tls_vector, "tls", tls_open, tls_close, + tls_read, tls_write, NULL, tls_getinfo, NULL, + SM_TIME_FOREVER); + info.fp = *fin; + info.con = con; + tlsin = sm_io_open(&tls_vector, SM_TIME_DEFAULT, &info, SM_IO_RDONLY_B, + NULL); + if (tlsin == NULL) + return -1; + + info.fp = *fout; + tlsout = sm_io_open(&tls_vector, SM_TIME_DEFAULT, &info, SM_IO_WRONLY_B, + NULL); + if (tlsout == NULL) + { + (void) sm_io_close(tlsin, SM_TIME_DEFAULT); + return -1; + } + sm_io_automode(tlsin, tlsout); + + *fin = tlsin; + *fout = tlsout; + return 0; +} +#endif /* STARTTLS */ diff --git a/contrib/sendmail-8.13.4/sendmail/sfsasl.h b/contrib/sendmail-8.13.4/sendmail/sfsasl.h new file mode 100644 index 0000000000..c75418a1f3 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sfsasl.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 1999, 2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: sfsasl.h,v 8.17 2000/09/19 21:30:49 ca Exp $" + */ + +#ifndef SFSASL_H +# define SFSASL_H + +#if SASL +extern int sfdcsasl __P((SM_FILE_T **, SM_FILE_T **, sasl_conn_t *)); +#endif /* SASL */ + +# if STARTTLS +extern int sfdctls __P((SM_FILE_T **, SM_FILE_T **, SSL *)); +# endif /* STARTTLS */ + +#endif /* ! SFSASL_H */ diff --git a/contrib/sendmail-8.13.4/sendmail/shmticklib.c b/contrib/sendmail-8.13.4/sendmail/shmticklib.c new file mode 100644 index 0000000000..6f5e301d2c --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/shmticklib.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 1999-2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * Contributed by Exactis.com, Inc. + * + */ + +#include +SM_RCSID("@(#)$Id: shmticklib.c,v 8.14 2001/09/11 04:05:16 gshapiro Exp $") + +#if _FFR_SHM_STATUS +# include +# include +# include + +# include "statusd_shm.h" + +/* +** SHMTICK -- increment a shared memory variable +** +** Parameters: +** inc_me -- identity of shared memory segment +** what -- which variable to increment +** +** Returns: +** none +*/ + +void +shmtick(inc_me, what) + int inc_me; + int what; +{ + static int shmid = -1; + static STATUSD_SHM *sp = (STATUSD_SHM *)-1; + static unsigned int cookie = 0; + + if (shmid < 0) + { + int size = sizeof(STATUSD_SHM); + + shmid = shmget(STATUSD_SHM_KEY, size, 0); + if (shmid < 0) + return; + } + if ((unsigned long *) sp == (unsigned long *)-1) + { + sp = (STATUSD_SHM *) shmat(shmid, NULL, 0); + if ((unsigned long *) sp == (unsigned long *) -1) + return; + } + if (sp->magic != STATUSD_MAGIC) + { + /* + ** possible race condition, wait for + ** statusd to initialize. + */ + + return; + } + if (what >= STATUSD_LONGS) + what = STATUSD_LONGS - 1; + if (inc_me >= STATUSD_LONGS) + inc_me = STATUSD_LONGS - 1; + + if (sp->ul[STATUSD_COOKIE] != cookie) + { + cookie = sp->ul[STATUSD_COOKIE]; + ++(sp->ul[inc_me]); + } + ++(sp->ul[what]); +} +#endif /* _FFR_SHM_STATUS */ diff --git a/contrib/sendmail-8.13.4/sendmail/sm_resolve.c b/contrib/sendmail-8.13.4/sendmail/sm_resolve.c new file mode 100644 index 0000000000..affd3e579b --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sm_resolve.c @@ -0,0 +1,450 @@ +/* + * Copyright (c) 2000-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* + * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#if DNSMAP +# if NAMED_BIND +# include "sm_resolve.h" + +SM_RCSID("$Id: sm_resolve.c,v 8.33 2004/08/04 21:17:57 ca Exp $") + +static struct stot +{ + const char *st_name; + int st_type; +} stot[] = +{ +# if NETINET + { "A", T_A }, +# endif /* NETINET */ +# if NETINET6 + { "AAAA", T_AAAA }, +# endif /* NETINET6 */ + { "NS", T_NS }, + { "CNAME", T_CNAME }, + { "PTR", T_PTR }, + { "MX", T_MX }, + { "TXT", T_TXT }, + { "AFSDB", T_AFSDB }, + { "SRV", T_SRV }, + { NULL, 0 } +}; + +static DNS_REPLY_T *parse_dns_reply __P((unsigned char *, int)); + +/* +** DNS_STRING_TO_TYPE -- convert resource record name into type +** +** Parameters: +** name -- name of resource record type +** +** Returns: +** type if succeeded. +** -1 otherwise. +*/ + +int +dns_string_to_type(name) + const char *name; +{ + struct stot *p = stot; + + for (p = stot; p->st_name != NULL; p++) + if (sm_strcasecmp(name, p->st_name) == 0) + return p->st_type; + return -1; +} + +/* +** DNS_TYPE_TO_STRING -- convert resource record type into name +** +** Parameters: +** type -- resource record type +** +** Returns: +** name if succeeded. +** NULL otherwise. +*/ + +const char * +dns_type_to_string(type) + int type; +{ + struct stot *p = stot; + + for (p = stot; p->st_name != NULL; p++) + if (type == p->st_type) + return p->st_name; + return NULL; +} + +/* +** DNS_FREE_DATA -- free all components of a DNS_REPLY_T +** +** Parameters: +** r -- pointer to DNS_REPLY_T +** +** Returns: +** none. +*/ + +void +dns_free_data(r) + DNS_REPLY_T *r; +{ + RESOURCE_RECORD_T *rr; + + if (r->dns_r_q.dns_q_domain != NULL) + sm_free(r->dns_r_q.dns_q_domain); + for (rr = r->dns_r_head; rr != NULL; ) + { + RESOURCE_RECORD_T *tmp = rr; + + if (rr->rr_domain != NULL) + sm_free(rr->rr_domain); + if (rr->rr_u.rr_data != NULL) + sm_free(rr->rr_u.rr_data); + rr = rr->rr_next; + sm_free(tmp); + } + sm_free(r); +} + +/* +** PARSE_DNS_REPLY -- parse DNS reply data. +** +** Parameters: +** data -- pointer to dns data +** len -- len of data +** +** Returns: +** pointer to DNS_REPLY_T if succeeded. +** NULL otherwise. +*/ + +static DNS_REPLY_T * +parse_dns_reply(data, len) + unsigned char *data; + int len; +{ + unsigned char *p; + int status; + size_t l; + char host[MAXHOSTNAMELEN]; + DNS_REPLY_T *r; + RESOURCE_RECORD_T **rr; + + r = (DNS_REPLY_T *) sm_malloc(sizeof(*r)); + if (r == NULL) + return NULL; + memset(r, 0, sizeof(*r)); + + p = data; + + /* doesn't work on Crays? */ + memcpy(&r->dns_r_h, p, sizeof(r->dns_r_h)); + p += sizeof(r->dns_r_h); + status = dn_expand(data, data + len, p, host, sizeof host); + if (status < 0) + { + dns_free_data(r); + return NULL; + } + r->dns_r_q.dns_q_domain = sm_strdup(host); + if (r->dns_r_q.dns_q_domain == NULL) + { + dns_free_data(r); + return NULL; + } + p += status; + GETSHORT(r->dns_r_q.dns_q_type, p); + GETSHORT(r->dns_r_q.dns_q_class, p); + rr = &r->dns_r_head; + while (p < data + len) + { + int type, class, ttl, size, txtlen; + + status = dn_expand(data, data + len, p, host, sizeof host); + if (status < 0) + { + dns_free_data(r); + return NULL; + } + p += status; + GETSHORT(type, p); + GETSHORT(class, p); + GETLONG(ttl, p); + GETSHORT(size, p); + if (p + size > data + len) + { + /* + ** announced size of data exceeds length of + ** data paket: someone is cheating. + */ + + if (LogLevel > 5) + sm_syslog(LOG_WARNING, NOQID, + "ERROR: DNS RDLENGTH=%d > data len=%d", + size, len - (p - data)); + dns_free_data(r); + return NULL; + } + *rr = (RESOURCE_RECORD_T *) sm_malloc(sizeof(**rr)); + if (*rr == NULL) + { + dns_free_data(r); + return NULL; + } + memset(*rr, 0, sizeof(**rr)); + (*rr)->rr_domain = sm_strdup(host); + if ((*rr)->rr_domain == NULL) + { + dns_free_data(r); + return NULL; + } + (*rr)->rr_type = type; + (*rr)->rr_class = class; + (*rr)->rr_ttl = ttl; + (*rr)->rr_size = size; + switch (type) + { + case T_NS: + case T_CNAME: + case T_PTR: + status = dn_expand(data, data + len, p, host, + sizeof host); + if (status < 0) + { + dns_free_data(r); + return NULL; + } + (*rr)->rr_u.rr_txt = sm_strdup(host); + if ((*rr)->rr_u.rr_txt == NULL) + { + dns_free_data(r); + return NULL; + } + break; + + case T_MX: + case T_AFSDB: + status = dn_expand(data, data + len, p + 2, host, + sizeof host); + if (status < 0) + { + dns_free_data(r); + return NULL; + } + l = strlen(host) + 1; + (*rr)->rr_u.rr_mx = (MX_RECORD_T *) + sm_malloc(sizeof(*((*rr)->rr_u.rr_mx)) + l); + if ((*rr)->rr_u.rr_mx == NULL) + { + dns_free_data(r); + return NULL; + } + (*rr)->rr_u.rr_mx->mx_r_preference = (p[0] << 8) | p[1]; + (void) sm_strlcpy((*rr)->rr_u.rr_mx->mx_r_domain, + host, l); + break; + + case T_SRV: + status = dn_expand(data, data + len, p + 6, host, + sizeof host); + if (status < 0) + { + dns_free_data(r); + return NULL; + } + l = strlen(host) + 1; + (*rr)->rr_u.rr_srv = (SRV_RECORDT_T*) + sm_malloc(sizeof(*((*rr)->rr_u.rr_srv)) + l); + if ((*rr)->rr_u.rr_srv == NULL) + { + dns_free_data(r); + return NULL; + } + (*rr)->rr_u.rr_srv->srv_r_priority = (p[0] << 8) | p[1]; + (*rr)->rr_u.rr_srv->srv_r_weight = (p[2] << 8) | p[3]; + (*rr)->rr_u.rr_srv->srv_r_port = (p[4] << 8) | p[5]; + (void) sm_strlcpy((*rr)->rr_u.rr_srv->srv_r_target, + host, l); + break; + + case T_TXT: + + /* + ** The TXT record contains the length as + ** leading byte, hence the value is restricted + ** to 255, which is less than the maximum value + ** of RDLENGTH (size). Nevertheless, txtlen + ** must be less than size because the latter + ** specifies the length of the entire TXT + ** record. + */ + + txtlen = *p; + if (txtlen >= size) + { + if (LogLevel > 5) + sm_syslog(LOG_WARNING, NOQID, + "ERROR: DNS TXT record size=%d <= text len=%d", + size, txtlen); + dns_free_data(r); + return NULL; + } + (*rr)->rr_u.rr_txt = (char *) sm_malloc(txtlen + 1); + if ((*rr)->rr_u.rr_txt == NULL) + { + dns_free_data(r); + return NULL; + } + (void) sm_strlcpy((*rr)->rr_u.rr_txt, (char*) p + 1, + txtlen + 1); + break; + + default: + (*rr)->rr_u.rr_data = (unsigned char*) sm_malloc(size); + if ((*rr)->rr_u.rr_data == NULL) + { + dns_free_data(r); + return NULL; + } + (void) memcpy((*rr)->rr_u.rr_data, p, size); + break; + } + p += size; + rr = &(*rr)->rr_next; + } + *rr = NULL; + return r; +} + +/* +** DNS_LOOKUP_INT -- perform dns map lookup (internal helper routine) +** +** Parameters: +** domain -- name to lookup +** rr_class -- resource record class +** rr_type -- resource record type +** retrans -- retransmission timeout +** retry -- number of retries +** +** Returns: +** result of lookup if succeeded. +** NULL otherwise. +*/ + +DNS_REPLY_T * +dns_lookup_int(domain, rr_class, rr_type, retrans, retry) + const char *domain; + int rr_class; + int rr_type; + time_t retrans; + int retry; +{ + int len; + unsigned long old_options = 0; + time_t save_retrans = 0; + int save_retry = 0; + DNS_REPLY_T *r = NULL; + unsigned char reply[1024]; + + if (tTd(8, 16)) + { + old_options = _res.options; + _res.options |= RES_DEBUG; + sm_dprintf("dns_lookup(%s, %d, %s)\n", domain, + rr_class, dns_type_to_string(rr_type)); + } + if (retrans > 0) + { + save_retrans = _res.retrans; + _res.retrans = retrans; + } + if (retry > 0) + { + save_retry = _res.retry; + _res.retry = retry; + } + errno = 0; + SM_SET_H_ERRNO(0); + len = res_search(domain, rr_class, rr_type, reply, sizeof reply); + if (tTd(8, 16)) + { + _res.options = old_options; + sm_dprintf("dns_lookup(%s, %d, %s) --> %d\n", + domain, rr_class, dns_type_to_string(rr_type), len); + } + if (len >= 0) + r = parse_dns_reply(reply, len); + if (retrans > 0) + _res.retrans = save_retrans; + if (retry > 0) + _res.retry = save_retry; + return r; +} + +# if 0 +DNS_REPLY_T * +dns_lookup(domain, type_name, retrans, retry) + const char *domain; + const char *type_name; + time_t retrans; + int retry; +{ + int type; + + type = dns_string_to_type(type_name); + if (type == -1) + { + if (tTd(8, 16)) + sm_dprintf("dns_lookup: unknown resource type: `%s'\n", + type_name); + return NULL; + } + return dns_lookup_int(domain, C_IN, type, retrans, retry); +} +# endif /* 0 */ +# endif /* NAMED_BIND */ +#endif /* DNSMAP */ diff --git a/contrib/sendmail-8.13.4/sendmail/sm_resolve.h b/contrib/sendmail-8.13.4/sendmail/sm_resolve.h new file mode 100644 index 0000000000..7f169ba259 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sm_resolve.h @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* + * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: sm_resolve.h,v 8.8 2001/09/01 00:06:02 gshapiro Exp $ */ + +#if DNSMAP +# ifndef __ROKEN_RESOLVE_H__ +# define __ROKEN_RESOLVE_H__ + +/* We use these, but they are not always present in */ + +# ifndef T_TXT +# define T_TXT 16 +# endif /* ! T_TXT */ +# ifndef T_AFSDB +# define T_AFSDB 18 +# endif /* ! T_AFSDB */ +# ifndef T_SRV +# define T_SRV 33 +# endif /* ! T_SRV */ +# ifndef T_NAPTR +# define T_NAPTR 35 +# endif /* ! T_NAPTR */ + +typedef struct +{ + char *dns_q_domain; + unsigned int dns_q_type; + unsigned int dns_q_class; +} DNS_QUERY_T; + +typedef struct +{ + unsigned int mx_r_preference; + char mx_r_domain[1]; +} MX_RECORD_T; + +typedef struct +{ + unsigned int srv_r_priority; + unsigned int srv_r_weight; + unsigned int srv_r_port; + char srv_r_target[1]; +} SRV_RECORDT_T; + + +typedef struct resource_record RESOURCE_RECORD_T; + +struct resource_record +{ + char *rr_domain; + unsigned int rr_type; + unsigned int rr_class; + unsigned int rr_ttl; + unsigned int rr_size; + union + { + void *rr_data; + MX_RECORD_T *rr_mx; + MX_RECORD_T *rr_afsdb; /* mx and afsdb are identical */ + SRV_RECORDT_T *rr_srv; +# if NETINET + struct in_addr *rr_a; +# endif /* NETINET */ +# if NETINET6 + struct in6_addr *rr_aaaa; +# endif /* NETINET6 */ + char *rr_txt; + } rr_u; + RESOURCE_RECORD_T *rr_next; +}; + +# if !defined(T_A) && !defined(T_AAAA) +/* XXX if isn't included */ +typedef int HEADER; /* will never be used */ +# endif /* !defined(T_A) && !defined(T_AAAA) */ + +typedef struct +{ + HEADER dns_r_h; + DNS_QUERY_T dns_r_q; + RESOURCE_RECORD_T *dns_r_head; +} DNS_REPLY_T; + + +extern void dns_free_data __P((DNS_REPLY_T *)); +extern int dns_string_to_type __P((const char *)); +extern const char *dns_type_to_string __P((int)); +extern DNS_REPLY_T *dns_lookup_int __P((const char *, + int, + int, + time_t, + int)); +# if 0 +extern DNS_REPLY_T *dns_lookup __P((const char *domain, + const char *type_name, + time_t retrans, + int retry)); +# endif /* 0 */ + +# endif /* ! __ROKEN_RESOLVE_H__ */ +#endif /* DNSMAP */ diff --git a/contrib/sendmail-8.13.4/sendmail/srvrsmtp.c b/contrib/sendmail-8.13.4/sendmail/srvrsmtp.c new file mode 100644 index 0000000000..bfa2872b3a --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/srvrsmtp.c @@ -0,0 +1,4686 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#if MILTER +# include +# include +#endif /* MILTER */ + +SM_RCSID("@(#)$Id: srvrsmtp.c,v 8.906 2005/03/16 00:36:09 ca Exp $") + +#include +#include + +#if SASL || STARTTLS +# include "sfsasl.h" +#endif /* SASL || STARTTLS */ +#if SASL +# define ENC64LEN(l) (((l) + 2) * 4 / 3 + 1) +static int saslmechs __P((sasl_conn_t *, char **)); +#endif /* SASL */ +#if STARTTLS +# include + +static SSL_CTX *srv_ctx = NULL; /* TLS server context */ +static SSL *srv_ssl = NULL; /* per connection context */ + +static bool tls_ok_srv = false; + +extern void tls_set_verify __P((SSL_CTX *, SSL *, bool)); +# define TLS_VERIFY_CLIENT() tls_set_verify(srv_ctx, srv_ssl, \ + bitset(SRV_VRFY_CLT, features)) +#endif /* STARTTLS */ + +/* server features */ +#define SRV_NONE 0x0000 /* none... */ +#define SRV_OFFER_TLS 0x0001 /* offer STARTTLS */ +#define SRV_VRFY_CLT 0x0002 /* request a cert */ +#define SRV_OFFER_AUTH 0x0004 /* offer AUTH */ +#define SRV_OFFER_ETRN 0x0008 /* offer ETRN */ +#define SRV_OFFER_VRFY 0x0010 /* offer VRFY (not yet used) */ +#define SRV_OFFER_EXPN 0x0020 /* offer EXPN */ +#define SRV_OFFER_VERB 0x0040 /* offer VERB */ +#define SRV_OFFER_DSN 0x0080 /* offer DSN */ +#if PIPELINING +# define SRV_OFFER_PIPE 0x0100 /* offer PIPELINING */ +# if _FFR_NO_PIPE +# define SRV_NO_PIPE 0x0200 /* disable PIPELINING, sleep if used */ +# endif /* _FFR_NO_PIPE */ +#endif /* PIPELINING */ +#define SRV_REQ_AUTH 0x0400 /* require AUTH */ +#define SRV_REQ_SEC 0x0800 /* require security - equiv to AuthOptions=p */ +#define SRV_TMP_FAIL 0x1000 /* ruleset caused a temporary failure */ + +static unsigned int srvfeatures __P((ENVELOPE *, char *, unsigned int)); + +#define STOP_ATTACK ((time_t) -1) +static time_t checksmtpattack __P((volatile unsigned int *, unsigned int, + bool, char *, ENVELOPE *)); +static void mail_esmtp_args __P((char *, char *, ENVELOPE *)); +static void printvrfyaddr __P((ADDRESS *, bool, bool)); +static void rcpt_esmtp_args __P((ADDRESS *, char *, char *, ENVELOPE *)); +static char *skipword __P((char *volatile, char *)); +static void setup_smtpd_io __P((void)); + +#if SASL +# if SASL >= 20000 +static int reset_saslconn __P((sasl_conn_t **_conn, char *_hostname, + char *_remoteip, char *_localip, + char *_auth_id, sasl_ssf_t *_ext_ssf)); + +# define RESET_SASLCONN \ + do \ + { \ + result = reset_saslconn(&conn, AuthRealm, remoteip, \ + localip, auth_id, &ext_ssf); \ + if (result != SASL_OK) \ + sasl_ok = false; \ + } while (0) + +# else /* SASL >= 20000 */ +static int reset_saslconn __P((sasl_conn_t **_conn, char *_hostname, + struct sockaddr_in *_saddr_r, + struct sockaddr_in *_saddr_l, + sasl_external_properties_t *_ext_ssf)); +# define RESET_SASLCONN \ + do \ + { \ + result = reset_saslconn(&conn, AuthRealm, &saddr_r, \ + &saddr_l, &ext_ssf); \ + if (result != SASL_OK) \ + sasl_ok = false; \ + } while (0) + +# endif /* SASL >= 20000 */ +#endif /* SASL */ + +extern ENVELOPE BlankEnvelope; + +#define NBADRCPTS \ + do \ + { \ + char buf[16]; \ + (void) sm_snprintf(buf, sizeof buf, "%d", \ + BadRcptThrottle > 0 && n_badrcpts > BadRcptThrottle \ + ? n_badrcpts - 1 : n_badrcpts); \ + macdefine(&e->e_macro, A_TEMP, macid("{nbadrcpts}"), buf); \ + } while (0) + +#define SKIP_SPACE(s) while (isascii(*s) && isspace(*s)) \ + (s)++ + +/* +** SMTP -- run the SMTP protocol. +** +** Parameters: +** nullserver -- if non-NULL, rejection message for +** (almost) all SMTP commands. +** d_flags -- daemon flags +** e -- the envelope. +** +** Returns: +** never. +** +** Side Effects: +** Reads commands from the input channel and processes them. +*/ + +/* +** Notice: The smtp server doesn't have a session context like the client +** side has (mci). Therefore some data (session oriented) is allocated +** or assigned to the "wrong" structure (esp. STARTTLS, AUTH). +** This should be fixed in a successor version. +*/ + +struct cmd +{ + char *cmd_name; /* command name */ + int cmd_code; /* internal code, see below */ +}; + +/* values for cmd_code */ +#define CMDERROR 0 /* bad command */ +#define CMDMAIL 1 /* mail -- designate sender */ +#define CMDRCPT 2 /* rcpt -- designate recipient */ +#define CMDDATA 3 /* data -- send message text */ +#define CMDRSET 4 /* rset -- reset state */ +#define CMDVRFY 5 /* vrfy -- verify address */ +#define CMDEXPN 6 /* expn -- expand address */ +#define CMDNOOP 7 /* noop -- do nothing */ +#define CMDQUIT 8 /* quit -- close connection and die */ +#define CMDHELO 9 /* helo -- be polite */ +#define CMDHELP 10 /* help -- give usage info */ +#define CMDEHLO 11 /* ehlo -- extended helo (RFC 1425) */ +#define CMDETRN 12 /* etrn -- flush queue */ +#if SASL +# define CMDAUTH 13 /* auth -- SASL authenticate */ +#endif /* SASL */ +#if STARTTLS +# define CMDSTLS 14 /* STARTTLS -- start TLS session */ +#endif /* STARTTLS */ +/* non-standard commands */ +#define CMDVERB 17 /* verb -- go into verbose mode */ +/* unimplemented commands from RFC 821 */ +#define CMDUNIMPL 19 /* unimplemented rfc821 commands */ +/* use this to catch and log "door handle" attempts on your system */ +#define CMDLOGBOGUS 23 /* bogus command that should be logged */ +/* debugging-only commands, only enabled if SMTPDEBUG is defined */ +#define CMDDBGQSHOW 24 /* showq -- show send queue */ +#define CMDDBGDEBUG 25 /* debug -- set debug mode */ + +/* +** Note: If you change this list, remember to update 'helpfile' +*/ + +static struct cmd CmdTab[] = +{ + { "mail", CMDMAIL }, + { "rcpt", CMDRCPT }, + { "data", CMDDATA }, + { "rset", CMDRSET }, + { "vrfy", CMDVRFY }, + { "expn", CMDEXPN }, + { "help", CMDHELP }, + { "noop", CMDNOOP }, + { "quit", CMDQUIT }, + { "helo", CMDHELO }, + { "ehlo", CMDEHLO }, + { "etrn", CMDETRN }, + { "verb", CMDVERB }, + { "send", CMDUNIMPL }, + { "saml", CMDUNIMPL }, + { "soml", CMDUNIMPL }, + { "turn", CMDUNIMPL }, +#if SASL + { "auth", CMDAUTH, }, +#endif /* SASL */ +#if STARTTLS + { "starttls", CMDSTLS, }, +#endif /* STARTTLS */ + /* remaining commands are here only to trap and log attempts to use them */ + { "showq", CMDDBGQSHOW }, + { "debug", CMDDBGDEBUG }, + { "wiz", CMDLOGBOGUS }, + + { NULL, CMDERROR } +}; + +static char *CurSmtpClient; /* who's at the other end of channel */ + +#ifndef MAXBADCOMMANDS +# define MAXBADCOMMANDS 25 /* maximum number of bad commands */ +#endif /* ! MAXBADCOMMANDS */ +#ifndef MAXNOOPCOMMANDS +# define MAXNOOPCOMMANDS 20 /* max "noise" commands before slowdown */ +#endif /* ! MAXNOOPCOMMANDS */ +#ifndef MAXHELOCOMMANDS +# define MAXHELOCOMMANDS 3 /* max HELO/EHLO commands before slowdown */ +#endif /* ! MAXHELOCOMMANDS */ +#ifndef MAXVRFYCOMMANDS +# define MAXVRFYCOMMANDS 6 /* max VRFY/EXPN commands before slowdown */ +#endif /* ! MAXVRFYCOMMANDS */ +#ifndef MAXETRNCOMMANDS +# define MAXETRNCOMMANDS 8 /* max ETRN commands before slowdown */ +#endif /* ! MAXETRNCOMMANDS */ +#ifndef MAXTIMEOUT +# define MAXTIMEOUT (4 * 60) /* max timeout for bad commands */ +#endif /* ! MAXTIMEOUT */ + +/* +** Maximum shift value to compute timeout for bad commands. +** This introduces an upper limit of 2^MAXSHIFT for the timeout. +*/ + +#ifndef MAXSHIFT +# define MAXSHIFT 8 +#endif /* ! MAXSHIFT */ +#if MAXSHIFT > 31 + ERROR _MAXSHIFT > 31 is invalid +#endif /* MAXSHIFT */ + + +#if MAXBADCOMMANDS > 0 +# define STOP_IF_ATTACK(r) do \ + { \ + if ((r) == STOP_ATTACK) \ + goto stopattack; \ + } while (0) + +#else /* MAXBADCOMMANDS > 0 */ +# define STOP_IF_ATTACK(r) r +#endif /* MAXBADCOMMANDS > 0 */ + + +#if SM_HEAP_CHECK +static SM_DEBUG_T DebugLeakSmtp = SM_DEBUG_INITIALIZER("leak_smtp", + "@(#)$Debug: leak_smtp - trace memory leaks during SMTP processing $"); +#endif /* SM_HEAP_CHECK */ + +typedef struct +{ + bool sm_gotmail; /* mail command received */ + unsigned int sm_nrcpts; /* number of successful RCPT commands */ + bool sm_discard; +#if MILTER + bool sm_milterize; + bool sm_milterlist; /* any filters in the list? */ +#endif /* MILTER */ + char *sm_quarmsg; /* carry quarantining across messages */ +} SMTP_T; + +static bool smtp_data __P((SMTP_T *, ENVELOPE *)); + +#define MSG_TEMPFAIL "451 4.3.2 Please try again later" + +#if MILTER +# define MILTER_ABORT(e) milter_abort((e)) + +# define MILTER_REPLY(str) \ + { \ + int savelogusrerrs = LogUsrErrs; \ + \ + switch (state) \ + { \ + case SMFIR_REPLYCODE: \ + if (MilterLogLevel > 3) \ + { \ + sm_syslog(LOG_INFO, e->e_id, \ + "Milter: %s=%s, reject=%s", \ + str, addr, response); \ + LogUsrErrs = false; \ + } \ + if (strncmp(response, "421 ", 4) == 0) \ + { \ + bool tsave = QuickAbort; \ + \ + QuickAbort = false; \ + usrerr(response); \ + QuickAbort = tsave; \ + e->e_sendqueue = NULL; \ + goto doquit; \ + } \ + else \ + usrerr(response); \ + break; \ + \ + case SMFIR_REJECT: \ + if (MilterLogLevel > 3) \ + { \ + sm_syslog(LOG_INFO, e->e_id, \ + "Milter: %s=%s, reject=550 5.7.1 Command rejected", \ + str, addr); \ + LogUsrErrs = false; \ + } \ + usrerr("550 5.7.1 Command rejected"); \ + break; \ + \ + case SMFIR_DISCARD: \ + if (MilterLogLevel > 3) \ + sm_syslog(LOG_INFO, e->e_id, \ + "Milter: %s=%s, discard", \ + str, addr); \ + e->e_flags |= EF_DISCARD; \ + break; \ + \ + case SMFIR_TEMPFAIL: \ + if (MilterLogLevel > 3) \ + { \ + sm_syslog(LOG_INFO, e->e_id, \ + "Milter: %s=%s, reject=%s", \ + str, addr, MSG_TEMPFAIL); \ + LogUsrErrs = false; \ + } \ + usrerr(MSG_TEMPFAIL); \ + break; \ + } \ + LogUsrErrs = savelogusrerrs; \ + if (response != NULL) \ + sm_free(response); /* XXX */ \ + } + +#else /* MILTER */ +# define MILTER_ABORT(e) +#endif /* MILTER */ + +/* clear all SMTP state (for HELO/EHLO/RSET) */ +#define CLEAR_STATE(cmd) \ +do \ +{ \ + /* abort milter filters */ \ + MILTER_ABORT(e); \ + \ + if (smtp.sm_nrcpts > 0) \ + { \ + logundelrcpts(e, cmd, 10, false); \ + smtp.sm_nrcpts = 0; \ + macdefine(&e->e_macro, A_PERM, \ + macid("{nrcpts}"), "0"); \ + } \ + \ + e->e_sendqueue = NULL; \ + e->e_flags |= EF_CLRQUEUE; \ + \ + if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags)) \ + logsender(e, NULL); \ + e->e_flags &= ~EF_LOGSENDER; \ + \ + /* clean up a bit */ \ + smtp.sm_gotmail = false; \ + SuprErrs = true; \ + dropenvelope(e, true, false); \ + sm_rpool_free(e->e_rpool); \ + e = newenvelope(e, CurEnv, sm_rpool_new_x(NULL)); \ + CurEnv = e; \ + \ + /* put back discard bit */ \ + if (smtp.sm_discard) \ + e->e_flags |= EF_DISCARD; \ + \ + /* restore connection quarantining */ \ + if (smtp.sm_quarmsg == NULL) \ + { \ + e->e_quarmsg = NULL; \ + macdefine(&e->e_macro, A_PERM, \ + macid("{quarantine}"), ""); \ + } \ + else \ + { \ + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, \ + smtp.sm_quarmsg); \ + macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), \ + e->e_quarmsg); \ + } \ +} while (0) + +/* sleep to flatten out connection load */ +#define MIN_DELAY_LOG 15 /* wait before logging this again */ + +/* is it worth setting the process title for 1s? */ +#define DELAY_CONN(cmd) \ + if (DelayLA > 0 && (CurrentLA = getla()) >= DelayLA) \ + { \ + time_t dnow; \ + \ + sm_setproctitle(true, e, \ + "%s: %s: delaying %s: load average: %d", \ + qid_printname(e), CurSmtpClient, \ + cmd, DelayLA); \ + if (LogLevel > 8 && (dnow = curtime()) > log_delay) \ + { \ + sm_syslog(LOG_INFO, e->e_id, \ + "delaying=%s, load average=%d >= %d", \ + cmd, CurrentLA, DelayLA); \ + log_delay = dnow + MIN_DELAY_LOG; \ + } \ + (void) sleep(1); \ + sm_setproctitle(true, e, "%s %s: %.80s", \ + qid_printname(e), CurSmtpClient, inp); \ + } + + +void +smtp(nullserver, d_flags, e) + char *volatile nullserver; + BITMAP256 d_flags; + register ENVELOPE *volatile e; +{ + register char *volatile p; + register struct cmd *volatile c = NULL; + char *cmd; + auto ADDRESS *vrfyqueue; + ADDRESS *a; + volatile bool gothello; /* helo command received */ + bool vrfy; /* set if this is a vrfy command */ + char *volatile protocol; /* sending protocol */ + char *volatile sendinghost; /* sending hostname */ + char *volatile peerhostname; /* name of SMTP peer or "localhost" */ + auto char *delimptr; + char *id; + volatile unsigned int n_badcmds = 0; /* count of bad commands */ + volatile unsigned int n_badrcpts = 0; /* number of rejected RCPT */ + volatile unsigned int n_verifies = 0; /* count of VRFY/EXPN */ + volatile unsigned int n_etrn = 0; /* count of ETRN */ + volatile unsigned int n_noop = 0; /* count of NOOP/VERB/etc */ + volatile unsigned int n_helo = 0; /* count of HELO/EHLO */ + volatile int save_sevenbitinput; + bool ok; +#if _FFR_BLOCK_PROXIES + volatile bool first; +#endif /* _FFR_BLOCK_PROXIES */ + volatile bool tempfail = false; + volatile time_t wt; /* timeout after too many commands */ + volatile time_t previous; /* time after checksmtpattack() */ + volatile bool lognullconnection = true; + register char *q; + SMTP_T smtp; + char *addr; + char *greetcode = "220"; + char *hostname; /* my hostname ($j) */ + QUEUE_CHAR *new; + int argno; + char *args[MAXSMTPARGS]; + char inp[MAXLINE]; + char cmdbuf[MAXLINE]; +#if SASL + sasl_conn_t *conn; + volatile bool sasl_ok; + volatile unsigned int n_auth = 0; /* count of AUTH commands */ + bool ismore; + int result; + volatile int authenticating; + char *user; + char *in, *out2; +# if SASL >= 20000 + char *auth_id; + const char *out; + sasl_ssf_t ext_ssf; + char localip[60], remoteip[60]; +# else /* SASL >= 20000 */ + char *out; + const char *errstr; + sasl_external_properties_t ext_ssf; + struct sockaddr_in saddr_l; + struct sockaddr_in saddr_r; +# endif /* SASL >= 20000 */ + sasl_security_properties_t ssp; + sasl_ssf_t *ssf; + unsigned int inlen, out2len; + unsigned int outlen; + char *volatile auth_type; + char *mechlist; + volatile unsigned int n_mechs; + unsigned int len; +#endif /* SASL */ + int r; +#if STARTTLS + int fdfl; + int rfd, wfd; + volatile bool tls_active = false; + volatile bool smtps = bitnset(D_SMTPS, d_flags); + bool saveQuickAbort; + bool saveSuprErrs; + time_t tlsstart; +#endif /* STARTTLS */ + volatile unsigned int features; +#if PIPELINING +# if _FFR_NO_PIPE + int np_log = 0; +# endif /* _FFR_NO_PIPE */ +#endif /* PIPELINING */ + volatile time_t log_delay = (time_t) 0; + + save_sevenbitinput = SevenBitInput; + smtp.sm_nrcpts = 0; +#if MILTER + smtp.sm_milterize = (nullserver == NULL); + smtp.sm_milterlist = false; +#endif /* MILTER */ + + /* setup I/O fd correctly for the SMTP server */ + setup_smtpd_io(); + +#if SM_HEAP_CHECK + if (sm_debug_active(&DebugLeakSmtp, 1)) + { + sm_heap_newgroup(); + sm_dprintf("smtp() heap group #%d\n", sm_heap_group()); + } +#endif /* SM_HEAP_CHECK */ + + /* XXX the rpool should be set when e is initialized in main() */ + e->e_rpool = sm_rpool_new_x(NULL); + e->e_macro.mac_rpool = e->e_rpool; + + settime(e); + sm_getla(); + peerhostname = RealHostName; + if (peerhostname == NULL) + peerhostname = "localhost"; + CurHostName = peerhostname; + CurSmtpClient = macvalue('_', e); + if (CurSmtpClient == NULL) + CurSmtpClient = CurHostName; + + /* check_relay may have set discard bit, save for later */ + smtp.sm_discard = bitset(EF_DISCARD, e->e_flags); + +#if PIPELINING + /* auto-flush output when reading input */ + (void) sm_io_autoflush(InChannel, OutChannel); +#endif /* PIPELINING */ + + sm_setproctitle(true, e, "server %s startup", CurSmtpClient); + + /* Set default features for server. */ + features = ((bitset(PRIV_NOETRN, PrivacyFlags) || + bitnset(D_NOETRN, d_flags)) ? SRV_NONE : SRV_OFFER_ETRN) + | (bitnset(D_AUTHREQ, d_flags) ? SRV_REQ_AUTH : SRV_NONE) + | (bitset(PRIV_NOEXPN, PrivacyFlags) ? SRV_NONE + : (SRV_OFFER_EXPN + | (bitset(PRIV_NOVERB, PrivacyFlags) + ? SRV_NONE : SRV_OFFER_VERB))) + | (bitset(PRIV_NORECEIPTS, PrivacyFlags) ? SRV_NONE + : SRV_OFFER_DSN) +#if SASL + | (bitnset(D_NOAUTH, d_flags) ? SRV_NONE : SRV_OFFER_AUTH) + | (bitset(SASL_SEC_NOPLAINTEXT, SASLOpts) ? SRV_REQ_SEC + : SRV_NONE) +#endif /* SASL */ +#if PIPELINING + | SRV_OFFER_PIPE +#endif /* PIPELINING */ +#if STARTTLS + | (bitnset(D_NOTLS, d_flags) ? SRV_NONE : SRV_OFFER_TLS) + | (bitset(TLS_I_NO_VRFY, TLS_Srv_Opts) ? SRV_NONE + : SRV_VRFY_CLT) +#endif /* STARTTLS */ + ; + if (nullserver == NULL) + { + features = srvfeatures(e, CurSmtpClient, features); + if (bitset(SRV_TMP_FAIL, features)) + { + if (LogLevel > 4) + sm_syslog(LOG_ERR, NOQID, + "ERROR: srv_features=tempfail, relay=%.100s, access temporarily disabled", + CurSmtpClient); + nullserver = "450 4.3.0 Please try again later."; + } + else + { +#if PIPELINING +# if _FFR_NO_PIPE + if (bitset(SRV_NO_PIPE, features)) + { + /* for consistency */ + features &= ~SRV_OFFER_PIPE; + } +# endif /* _FFR_NO_PIPE */ +#endif /* PIPELINING */ +#if SASL + if (bitset(SRV_REQ_SEC, features)) + SASLOpts |= SASL_SEC_NOPLAINTEXT; + else + SASLOpts &= ~SASL_SEC_NOPLAINTEXT; +#endif /* SASL */ + } + } + else if (strncmp(nullserver, "421 ", 4) == 0) + { + message(nullserver); + goto doquit; + } + + hostname = macvalue('j', e); +#if SASL + if (AuthRealm == NULL) + AuthRealm = hostname; + sasl_ok = bitset(SRV_OFFER_AUTH, features); + n_mechs = 0; + authenticating = SASL_NOT_AUTH; + + /* SASL server new connection */ + if (sasl_ok) + { +# if SASL >= 20000 + result = sasl_server_new("smtp", AuthRealm, NULL, NULL, NULL, + NULL, 0, &conn); +# elif SASL > 10505 + /* use empty realm: only works in SASL > 1.5.5 */ + result = sasl_server_new("smtp", AuthRealm, "", NULL, 0, &conn); +# else /* SASL >= 20000 */ + /* use no realm -> realm is set to hostname by SASL lib */ + result = sasl_server_new("smtp", AuthRealm, NULL, NULL, 0, + &conn); +# endif /* SASL >= 20000 */ + sasl_ok = result == SASL_OK; + if (!sasl_ok) + { + if (LogLevel > 9) + sm_syslog(LOG_WARNING, NOQID, + "AUTH error: sasl_server_new failed=%d", + result); + } + } + if (sasl_ok) + { + /* + ** SASL set properties for sasl + ** set local/remote IP + ** XXX Cyrus SASL v1 only supports IPv4 + ** + ** XXX where exactly are these used/required? + ** Kerberos_v4 + */ + +# if SASL >= 20000 + localip[0] = remoteip[0] = '\0'; +# if NETINET || NETINET6 + in = macvalue(macid("{daemon_family}"), e); + if (in != NULL && ( +# if NETINET6 + strcmp(in, "inet6") == 0 || +# endif /* NETINET6 */ + strcmp(in, "inet") == 0)) + { + SOCKADDR_LEN_T addrsize; + SOCKADDR saddr_l; + SOCKADDR saddr_r; + + addrsize = sizeof(saddr_r); + if (getpeername(sm_io_getinfo(InChannel, SM_IO_WHAT_FD, + NULL), + (struct sockaddr *) &saddr_r, + &addrsize) == 0) + { + if (iptostring(&saddr_r, addrsize, + remoteip, sizeof remoteip)) + { + sasl_setprop(conn, SASL_IPREMOTEPORT, + remoteip); + } + addrsize = sizeof(saddr_l); + if (getsockname(sm_io_getinfo(InChannel, + SM_IO_WHAT_FD, + NULL), + (struct sockaddr *) &saddr_l, + &addrsize) == 0) + { + if (iptostring(&saddr_l, addrsize, + localip, + sizeof localip)) + { + sasl_setprop(conn, + SASL_IPLOCALPORT, + localip); + } + } + } + } +# endif /* NETINET || NETINET6 */ +# else /* SASL >= 20000 */ +# if NETINET + in = macvalue(macid("{daemon_family}"), e); + if (in != NULL && strcmp(in, "inet") == 0) + { + SOCKADDR_LEN_T addrsize; + + addrsize = sizeof(struct sockaddr_in); + if (getpeername(sm_io_getinfo(InChannel, SM_IO_WHAT_FD, + NULL), + (struct sockaddr *)&saddr_r, + &addrsize) == 0) + { + sasl_setprop(conn, SASL_IP_REMOTE, &saddr_r); + addrsize = sizeof(struct sockaddr_in); + if (getsockname(sm_io_getinfo(InChannel, + SM_IO_WHAT_FD, + NULL), + (struct sockaddr *)&saddr_l, + &addrsize) == 0) + sasl_setprop(conn, SASL_IP_LOCAL, + &saddr_l); + } + } +# endif /* NETINET */ +# endif /* SASL >= 20000 */ + + auth_type = NULL; + mechlist = NULL; + user = NULL; +# if 0 + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{auth_author}"), NULL); +# endif /* 0 */ + + /* set properties */ + (void) memset(&ssp, '\0', sizeof ssp); + + /* XXX should these be options settable via .cf ? */ + /* ssp.min_ssf = 0; is default due to memset() */ + { + ssp.max_ssf = MaxSLBits; + ssp.maxbufsize = MAXOUTLEN; + } + ssp.security_flags = SASLOpts & SASL_SEC_MASK; + sasl_ok = sasl_setprop(conn, SASL_SEC_PROPS, &ssp) == SASL_OK; + + if (sasl_ok) + { + /* + ** external security strength factor; + ** currently we have none so zero + */ + +# if SASL >= 20000 + ext_ssf = 0; + auth_id = NULL; + sasl_ok = ((sasl_setprop(conn, SASL_SSF_EXTERNAL, + &ext_ssf) == SASL_OK) && + (sasl_setprop(conn, SASL_AUTH_EXTERNAL, + auth_id) == SASL_OK)); +# else /* SASL >= 20000 */ + ext_ssf.ssf = 0; + ext_ssf.auth_id = NULL; + sasl_ok = sasl_setprop(conn, SASL_SSF_EXTERNAL, + &ext_ssf) == SASL_OK; +# endif /* SASL >= 20000 */ + } + if (sasl_ok) + n_mechs = saslmechs(conn, &mechlist); + } +#endif /* SASL */ + +#if STARTTLS +#endif /* STARTTLS */ + +#if MILTER + if (smtp.sm_milterize) + { + char state; + + /* initialize mail filter connection */ + smtp.sm_milterlist = milter_init(e, &state); + switch (state) + { + case SMFIR_REJECT: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: initialization failed, rejecting commands"); + greetcode = "554"; + nullserver = "Command rejected"; + smtp.sm_milterize = false; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: initialization failed, temp failing commands"); + tempfail = true; + smtp.sm_milterize = false; + break; + } + } + + if (smtp.sm_milterlist && smtp.sm_milterize && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + + response = milter_connect(peerhostname, RealHostAddr, + e, &state); + switch (state) + { + case SMFIR_REPLYCODE: /* REPLYCODE shouldn't happen */ + case SMFIR_REJECT: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: connect: host=%s, addr=%s, rejecting commands", + peerhostname, + anynet_ntoa(&RealHostAddr)); + greetcode = "554"; + nullserver = "Command rejected"; + smtp.sm_milterize = false; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: connect: host=%s, addr=%s, temp failing commands", + peerhostname, + anynet_ntoa(&RealHostAddr)); + tempfail = true; + smtp.sm_milterize = false; + break; + + case SMFIR_SHUTDOWN: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: connect: host=%s, addr=%s, shutdown", + peerhostname, + anynet_ntoa(&RealHostAddr)); + tempfail = true; + smtp.sm_milterize = false; + message("421 4.7.0 %s closing connection", + MyHostName); + + /* arrange to ignore send list */ + e->e_sendqueue = NULL; + goto doquit; + } + if (response != NULL) + sm_free(response); /* XXX */ + } +#endif /* MILTER */ + + /* + ** Broken proxies and SMTP slammers + ** push data without waiting, catch them + */ + + if ( +#if STARTTLS + !smtps && +#endif /* STARTTLS */ + *greetcode == '2') + { + time_t msecs = 0; + char **pvp; + char pvpbuf[PSBUFSIZE]; + + /* Ask the rulesets how long to pause */ + pvp = NULL; + r = rscap("greet_pause", peerhostname, + anynet_ntoa(&RealHostAddr), e, + &pvp, pvpbuf, sizeof(pvpbuf)); + if (r == EX_OK && pvp != NULL && pvp[0] != NULL && + (pvp[0][0] & 0377) == CANONNET && pvp[1] != NULL) + { + msecs = strtol(pvp[1], NULL, 10); + } + + if (msecs > 0) + { + int fd; + fd_set readfds; + struct timeval timeout; + + /* pause for a moment */ + timeout.tv_sec = msecs / 1000; + timeout.tv_usec = (msecs % 1000) * 1000; + + /* Obey RFC 2821: 4.3.5.2: 220 timeout of 5 minutes */ + if (timeout.tv_sec >= 300) + { + timeout.tv_sec = 300; + timeout.tv_usec = 0; + } + + /* check if data is on the socket during the pause */ + fd = sm_io_getinfo(InChannel, SM_IO_WHAT_FD, NULL); + FD_ZERO(&readfds); + SM_FD_SET(fd, &readfds); + if (select(fd + 1, FDSET_CAST &readfds, + NULL, NULL, &timeout) > 0 && + FD_ISSET(fd, &readfds)) + { + greetcode = "554"; + nullserver = "Command rejected"; + sm_syslog(LOG_INFO, e->e_id, + "rejecting commands from %s [%s] due to pre-greeting traffic", + peerhostname, + anynet_ntoa(&RealHostAddr)); + } + } + } + +#if STARTTLS + /* If this an smtps connection, start TLS now */ + if (smtps) + { + Errors = 0; + goto starttls; + } + + greeting: + +#endif /* STARTTLS */ + + /* output the first line, inserting "ESMTP" as second word */ + if (*greetcode == '5') + (void) sm_snprintf(inp, sizeof inp, "%s not accepting messages", + hostname); + else + expand(SmtpGreeting, inp, sizeof inp, e); + + p = strchr(inp, '\n'); + if (p != NULL) + *p++ = '\0'; + id = strchr(inp, ' '); + if (id == NULL) + id = &inp[strlen(inp)]; + if (p == NULL) + (void) sm_snprintf(cmdbuf, sizeof cmdbuf, + "%s %%.*s ESMTP%%s", greetcode); + else + (void) sm_snprintf(cmdbuf, sizeof cmdbuf, + "%s-%%.*s ESMTP%%s", greetcode); + message(cmdbuf, (int) (id - inp), inp, id); + + /* output remaining lines */ + while ((id = p) != NULL && (p = strchr(id, '\n')) != NULL) + { + *p++ = '\0'; + if (isascii(*id) && isspace(*id)) + id++; + (void) sm_strlcpyn(cmdbuf, sizeof cmdbuf, 2, greetcode, "-%s"); + message(cmdbuf, id); + } + if (id != NULL) + { + if (isascii(*id) && isspace(*id)) + id++; + (void) sm_strlcpyn(cmdbuf, sizeof cmdbuf, 2, greetcode, " %s"); + message(cmdbuf, id); + } + + protocol = NULL; + sendinghost = macvalue('s', e); + + /* If quarantining by a connect/ehlo action, save between messages */ + if (e->e_quarmsg == NULL) + smtp.sm_quarmsg = NULL; + else + smtp.sm_quarmsg = newstr(e->e_quarmsg); + + /* sendinghost's storage must outlive the current envelope */ + if (sendinghost != NULL) + sendinghost = sm_strdup_x(sendinghost); +#if _FFR_BLOCK_PROXIES + first = true; +#endif /* _FFR_BLOCK_PROXIES */ + gothello = false; + smtp.sm_gotmail = false; + for (;;) + { + SM_TRY + { + QuickAbort = false; + HoldErrs = false; + SuprErrs = false; + LogUsrErrs = false; + OnlyOneError = true; + e->e_flags &= ~(EF_VRFYONLY|EF_GLOBALERRS); + + /* setup for the read */ + e->e_to = NULL; + Errors = 0; + FileName = NULL; + (void) sm_io_flush(smioout, SM_TIME_DEFAULT); + + /* read the input line */ + SmtpPhase = "server cmd read"; + sm_setproctitle(true, e, "server %s cmd read", CurSmtpClient); +#if SASL + /* + ** XXX SMTP AUTH requires accepting any length, + ** at least for challenge/response + */ +#endif /* SASL */ + + /* handle errors */ + if (sm_io_error(OutChannel) || + (p = sfgets(inp, sizeof inp, InChannel, + TimeOuts.to_nextcommand, SmtpPhase)) == NULL) + { + char *d; + + d = macvalue(macid("{daemon_name}"), e); + if (d == NULL) + d = "stdin"; + /* end of file, just die */ + disconnect(1, e); + +#if MILTER + /* close out milter filters */ + milter_quit(e); +#endif /* MILTER */ + + message("421 4.4.1 %s Lost input channel from %s", + MyHostName, CurSmtpClient); + if (LogLevel > (smtp.sm_gotmail ? 1 : 19)) + sm_syslog(LOG_NOTICE, e->e_id, + "lost input channel from %s to %s after %s", + CurSmtpClient, d, + (c == NULL || c->cmd_name == NULL) ? "startup" : c->cmd_name); + /* + ** If have not accepted mail (DATA), do not bounce + ** bad addresses back to sender. + */ + + if (bitset(EF_CLRQUEUE, e->e_flags)) + e->e_sendqueue = NULL; + goto doquit; + } + +#if _FFR_BLOCK_PROXIES + if (first) + { + size_t inplen, cmdlen; + int idx; + char *http_cmd; + static char *http_cmds[] = { "GET", "POST", + "CONNECT", "USER", NULL }; + + inplen = strlen(inp); + for (idx = 0; (http_cmd = http_cmds[idx]) != NULL; + idx++) + { + cmdlen = strlen(http_cmd); + if (cmdlen < inplen && + sm_strncasecmp(inp, http_cmd, cmdlen) == 0 && + isascii(inp[cmdlen]) && isspace(inp[cmdlen])) + { + /* Open proxy, drop it */ + message("421 4.7.0 %s Rejecting open proxy %s", + MyHostName, CurSmtpClient); + sm_syslog(LOG_INFO, e->e_id, + "%s: probable open proxy: command=%.40s", + CurSmtpClient, inp); + goto doquit; + } + } + first = false; + } +#endif /* _FFR_BLOCK_PROXIES */ + + /* clean up end of line */ + fixcrlf(inp, true); + +#if PIPELINING +# if _FFR_NO_PIPE + /* + ** if there is more input and pipelining is disabled: + ** delay ... (and maybe discard the input?) + ** XXX this doesn't really work, at least in tests using + ** telnet SM_IO_IS_READABLE only returns 1 if there were + ** more than 2 input lines available. + */ + + if (bitset(SRV_NO_PIPE, features) && + sm_io_getinfo(InChannel, SM_IO_IS_READABLE, NULL) > 0) + { + if (++np_log < 3) + sm_syslog(LOG_INFO, NOQID, + "unauthorized PIPELINING, sleeping"); + sleep(1); + } + +# endif /* _FFR_NO_PIPE */ +#endif /* PIPELINING */ + +#if SASL + if (authenticating == SASL_PROC_AUTH) + { +# if 0 + if (*inp == '\0') + { + authenticating = SASL_NOT_AUTH; + message("501 5.5.2 missing input"); + RESET_SASLCONN; + continue; + } +# endif /* 0 */ + if (*inp == '*' && *(inp + 1) == '\0') + { + authenticating = SASL_NOT_AUTH; + + /* rfc 2254 4. */ + message("501 5.0.0 AUTH aborted"); + RESET_SASLCONN; + continue; + } + + /* could this be shorter? XXX */ +# if SASL >= 20000 + in = xalloc(strlen(inp) + 1); + result = sasl_decode64(inp, strlen(inp), in, + strlen(inp), &inlen); +# else /* SASL >= 20000 */ + out = xalloc(strlen(inp)); + result = sasl_decode64(inp, strlen(inp), out, &outlen); +# endif /* SASL >= 20000 */ + if (result != SASL_OK) + { + authenticating = SASL_NOT_AUTH; + + /* rfc 2254 4. */ + message("501 5.5.4 cannot decode AUTH parameter %s", + inp); +# if SASL >= 20000 + sm_free(in); +# endif /* SASL >= 20000 */ + RESET_SASLCONN; + continue; + } + +# if SASL >= 20000 + result = sasl_server_step(conn, in, inlen, + &out, &outlen); + sm_free(in); +# else /* SASL >= 20000 */ + result = sasl_server_step(conn, out, outlen, + &out, &outlen, &errstr); +# endif /* SASL >= 20000 */ + + /* get an OK if we're done */ + if (result == SASL_OK) + { + authenticated: + message("235 2.0.0 OK Authenticated"); + authenticating = SASL_IS_AUTH; + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{auth_type}"), auth_type); + +# if SASL >= 20000 + user = macvalue(macid("{auth_authen}"), e); + + /* get security strength (features) */ + result = sasl_getprop(conn, SASL_SSF, + (const void **) &ssf); +# else /* SASL >= 20000 */ + result = sasl_getprop(conn, SASL_USERNAME, + (void **)&user); + if (result != SASL_OK) + { + user = ""; + macdefine(&BlankEnvelope.e_macro, + A_PERM, + macid("{auth_authen}"), NULL); + } + else + { + macdefine(&BlankEnvelope.e_macro, + A_TEMP, + macid("{auth_authen}"), + xtextify(user, "<>\")")); + } + +# if 0 + /* get realm? */ + sasl_getprop(conn, SASL_REALM, (void **) &data); +# endif /* 0 */ + + /* get security strength (features) */ + result = sasl_getprop(conn, SASL_SSF, + (void **) &ssf); +# endif /* SASL >= 20000 */ + if (result != SASL_OK) + { + macdefine(&BlankEnvelope.e_macro, + A_PERM, + macid("{auth_ssf}"), "0"); + ssf = NULL; + } + else + { + char pbuf[8]; + + (void) sm_snprintf(pbuf, sizeof pbuf, + "%u", *ssf); + macdefine(&BlankEnvelope.e_macro, + A_TEMP, + macid("{auth_ssf}"), pbuf); + if (tTd(95, 8)) + sm_dprintf("AUTH auth_ssf: %u\n", + *ssf); + } + + /* + ** Only switch to encrypted connection + ** if a security layer has been negotiated + */ + + if (ssf != NULL && *ssf > 0) + { + /* + ** Convert I/O layer to use SASL. + ** If the call fails, the connection + ** is aborted. + */ + + if (sfdcsasl(&InChannel, &OutChannel, + conn) == 0) + { + /* restart dialogue */ + n_helo = 0; +# if PIPELINING + (void) sm_io_autoflush(InChannel, + OutChannel); +# endif /* PIPELINING */ + } + else + syserr("503 5.3.3 SASL TLS failed"); + } + + /* NULL pointer ok since it's our function */ + if (LogLevel > 8) + sm_syslog(LOG_INFO, NOQID, + "AUTH=server, relay=%s, authid=%.128s, mech=%.16s, bits=%d", + CurSmtpClient, + shortenstring(user, 128), + auth_type, *ssf); + } + else if (result == SASL_CONTINUE) + { + len = ENC64LEN(outlen); + out2 = xalloc(len); + result = sasl_encode64(out, outlen, out2, len, + &out2len); + if (result != SASL_OK) + { + /* correct code? XXX */ + /* 454 Temp. authentication failure */ + message("454 4.5.4 Internal error: unable to encode64"); + if (LogLevel > 5) + sm_syslog(LOG_WARNING, e->e_id, + "AUTH encode64 error [%d for \"%s\"]", + result, out); + /* start over? */ + authenticating = SASL_NOT_AUTH; + } + else + { + message("334 %s", out2); + if (tTd(95, 2)) + sm_dprintf("AUTH continue: msg='%s' len=%u\n", + out2, out2len); + } +# if SASL >= 20000 + sm_free(out2); +# endif /* SASL >= 20000 */ + } + else + { + /* not SASL_OK or SASL_CONT */ + message("535 5.7.0 authentication failed"); + if (LogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "AUTH failure (%s): %s (%d) %s", + auth_type, + sasl_errstring(result, NULL, + NULL), + result, +# if SASL >= 20000 + sasl_errdetail(conn)); +# else /* SASL >= 20000 */ + errstr == NULL ? "" : errstr); +# endif /* SASL >= 20000 */ + RESET_SASLCONN; + authenticating = SASL_NOT_AUTH; + } + } + else + { + /* don't want to do any of this if authenticating */ +#endif /* SASL */ + + /* echo command to transcript */ + if (e->e_xfp != NULL) + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "<<< %s\n", inp); + + if (LogLevel > 14) + sm_syslog(LOG_INFO, e->e_id, "<-- %s", inp); + + /* break off command */ + for (p = inp; isascii(*p) && isspace(*p); p++) + continue; + cmd = cmdbuf; + while (*p != '\0' && + !(isascii(*p) && isspace(*p)) && + cmd < &cmdbuf[sizeof cmdbuf - 2]) + *cmd++ = *p++; + *cmd = '\0'; + + /* throw away leading whitespace */ + SKIP_SPACE(p); + + /* decode command */ + for (c = CmdTab; c->cmd_name != NULL; c++) + { + if (sm_strcasecmp(c->cmd_name, cmdbuf) == 0) + break; + } + + /* reset errors */ + errno = 0; + + /* check whether a "non-null" command has been used */ + switch (c->cmd_code) + { +#if SASL + case CMDAUTH: + /* avoid information leak; take first two words? */ + q = "AUTH"; + break; +#endif /* SASL */ + + case CMDMAIL: + case CMDEXPN: + case CMDVRFY: + case CMDETRN: + lognullconnection = false; + /* FALLTHROUGH */ + default: + q = inp; + break; + } + + if (e->e_id == NULL) + sm_setproctitle(true, e, "%s: %.80s", + CurSmtpClient, q); + else + sm_setproctitle(true, e, "%s %s: %.80s", + qid_printname(e), + CurSmtpClient, q); + + /* + ** Process command. + ** + ** If we are running as a null server, return 550 + ** to almost everything. + */ + + if (nullserver != NULL || bitnset(D_ETRNONLY, d_flags)) + { + switch (c->cmd_code) + { + case CMDQUIT: + case CMDHELO: + case CMDEHLO: + case CMDNOOP: + case CMDRSET: + case CMDERROR: + /* process normally */ + break; + + case CMDETRN: + if (bitnset(D_ETRNONLY, d_flags) && + nullserver == NULL) + break; + DELAY_CONN("ETRN"); + /* FALLTHROUGH */ + + default: +#if MAXBADCOMMANDS > 0 + /* theoretically this could overflow */ + if (nullserver != NULL && + ++n_badcmds > MAXBADCOMMANDS) + { + message("421 4.7.0 %s Too many bad commands; closing connection", + MyHostName); + + /* arrange to ignore send list */ + e->e_sendqueue = NULL; + goto doquit; + } +#endif /* MAXBADCOMMANDS > 0 */ + if (nullserver != NULL) + { + if (ISSMTPREPLY(nullserver)) + usrerr(nullserver); + else + usrerr("550 5.0.0 %s", + nullserver); + } + else + usrerr("452 4.4.5 Insufficient disk space; try again later"); + continue; + } + } + + switch (c->cmd_code) + { +#if SASL + case CMDAUTH: /* sasl */ + DELAY_CONN("AUTH"); + if (!sasl_ok || n_mechs <= 0) + { + message("503 5.3.3 AUTH not available"); + break; + } + if (authenticating == SASL_IS_AUTH) + { + message("503 5.5.0 Already Authenticated"); + break; + } + if (smtp.sm_gotmail) + { + message("503 5.5.0 AUTH not permitted during a mail transaction"); + break; + } + if (tempfail) + { + if (LogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "SMTP AUTH command (%.100s) from %s tempfailed (due to previous checks)", + p, CurSmtpClient); + usrerr("454 4.3.0 Please try again later"); + break; + } + + ismore = false; + + /* crude way to avoid crack attempts */ + STOP_IF_ATTACK(checksmtpattack(&n_auth, n_mechs + 1, + true, "AUTH", e)); + + /* make sure mechanism (p) is a valid string */ + for (q = p; *q != '\0' && isascii(*q); q++) + { + if (isspace(*q)) + { + *q = '\0'; + while (*++q != '\0' && + isascii(*q) && isspace(*q)) + continue; + *(q - 1) = '\0'; + ismore = (*q != '\0'); + break; + } + } + + if (*p == '\0') + { + message("501 5.5.2 AUTH mechanism must be specified"); + break; + } + + /* check whether mechanism is available */ + if (iteminlist(p, mechlist, " ") == NULL) + { + message("504 5.3.3 AUTH mechanism %.32s not available", + p); + break; + } + + if (ismore) + { + /* could this be shorter? XXX */ +# if SASL >= 20000 + in = xalloc(strlen(q) + 1); + result = sasl_decode64(q, strlen(q), in, + strlen(q), &inlen); +# else /* SASL >= 20000 */ + in = sm_rpool_malloc(e->e_rpool, strlen(q)); + result = sasl_decode64(q, strlen(q), in, + &inlen); +# endif /* SASL >= 20000 */ + if (result != SASL_OK) + { + message("501 5.5.4 cannot BASE64 decode '%s'", + q); + if (LogLevel > 5) + sm_syslog(LOG_WARNING, e->e_id, + "AUTH decode64 error [%d for \"%s\"]", + result, q); + /* start over? */ + authenticating = SASL_NOT_AUTH; +# if SASL >= 20000 + sm_free(in); +# endif /* SASL >= 20000 */ + in = NULL; + inlen = 0; + break; + } + } + else + { + in = NULL; + inlen = 0; + } + + /* see if that auth type exists */ +# if SASL >= 20000 + result = sasl_server_start(conn, p, in, inlen, + &out, &outlen); + if (in != NULL) + sm_free(in); +# else /* SASL >= 20000 */ + result = sasl_server_start(conn, p, in, inlen, + &out, &outlen, &errstr); +# endif /* SASL >= 20000 */ + + if (result != SASL_OK && result != SASL_CONTINUE) + { + message("535 5.7.0 authentication failed"); + if (LogLevel > 9) + sm_syslog(LOG_ERR, e->e_id, + "AUTH failure (%s): %s (%d) %s", + p, + sasl_errstring(result, NULL, + NULL), + result, +# if SASL >= 20000 + sasl_errdetail(conn)); +# else /* SASL >= 20000 */ + errstr); +# endif /* SASL >= 20000 */ + RESET_SASLCONN; + break; + } + auth_type = newstr(p); + + if (result == SASL_OK) + { + /* ugly, but same code */ + goto authenticated; + /* authenticated by the initial response */ + } + + /* len is at least 2 */ + len = ENC64LEN(outlen); + out2 = xalloc(len); + result = sasl_encode64(out, outlen, out2, len, + &out2len); + + if (result != SASL_OK) + { + message("454 4.5.4 Temporary authentication failure"); + if (LogLevel > 5) + sm_syslog(LOG_WARNING, e->e_id, + "AUTH encode64 error [%d for \"%s\"]", + result, out); + + /* start over? */ + authenticating = SASL_NOT_AUTH; + RESET_SASLCONN; + } + else + { + message("334 %s", out2); + authenticating = SASL_PROC_AUTH; + } +# if SASL >= 20000 + sm_free(out2); +# endif /* SASL >= 20000 */ + break; +#endif /* SASL */ + +#if STARTTLS + case CMDSTLS: /* starttls */ + DELAY_CONN("STARTTLS"); + if (*p != '\0') + { + message("501 5.5.2 Syntax error (no parameters allowed)"); + break; + } + if (!bitset(SRV_OFFER_TLS, features)) + { + message("503 5.5.0 TLS not available"); + break; + } + if (!tls_ok_srv) + { + message("454 4.3.3 TLS not available after start"); + break; + } + if (smtp.sm_gotmail) + { + message("503 5.5.0 TLS not permitted during a mail transaction"); + break; + } + if (tempfail) + { + if (LogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "SMTP STARTTLS command (%.100s) from %s tempfailed (due to previous checks)", + p, CurSmtpClient); + usrerr("454 4.7.0 Please try again later"); + break; + } + starttls: +# if TLS_NO_RSA + /* + ** XXX do we need a temp key ? + */ +# else /* TLS_NO_RSA */ +# endif /* TLS_NO_RSA */ + +# if TLS_VRFY_PER_CTX + /* + ** Note: this sets the verification globally + ** (per SSL_CTX) + ** it's ok since it applies only to one transaction + */ + + TLS_VERIFY_CLIENT(); +# endif /* TLS_VRFY_PER_CTX */ + + if (srv_ssl != NULL) + SSL_clear(srv_ssl); + else if ((srv_ssl = SSL_new(srv_ctx)) == NULL) + { + message("454 4.3.3 TLS not available: error generating SSL handle"); + if (LogLevel > 8) + tlslogerr("server"); + goto tls_done; + } + +# if !TLS_VRFY_PER_CTX + /* + ** this could be used if it were possible to set + ** verification per SSL (connection) + ** not just per SSL_CTX (global) + */ + + TLS_VERIFY_CLIENT(); +# endif /* !TLS_VRFY_PER_CTX */ + + rfd = sm_io_getinfo(InChannel, SM_IO_WHAT_FD, NULL); + wfd = sm_io_getinfo(OutChannel, SM_IO_WHAT_FD, NULL); + + if (rfd < 0 || wfd < 0 || + SSL_set_rfd(srv_ssl, rfd) <= 0 || + SSL_set_wfd(srv_ssl, wfd) <= 0) + { + message("454 4.3.3 TLS not available: error set fd"); + SSL_free(srv_ssl); + srv_ssl = NULL; + goto tls_done; + } + if (!smtps) + message("220 2.0.0 Ready to start TLS"); +# if PIPELINING + (void) sm_io_flush(OutChannel, SM_TIME_DEFAULT); +# endif /* PIPELINING */ + + SSL_set_accept_state(srv_ssl); + +# define SSL_ACC(s) SSL_accept(s) + + tlsstart = curtime(); + fdfl = fcntl(rfd, F_GETFL); + if (fdfl != -1) + fcntl(rfd, F_SETFL, fdfl|O_NONBLOCK); + ssl_retry: + if ((r = SSL_ACC(srv_ssl)) <= 0) + { + int i; + bool timedout; + time_t left; + time_t now = curtime(); + struct timeval tv; + + /* what to do in this case? */ + i = SSL_get_error(srv_ssl, r); + + /* + ** For SSL_ERROR_WANT_{READ,WRITE}: + ** There is no SSL record available yet + ** or there is only a partial SSL record + ** removed from the network (socket) buffer + ** into the SSL buffer. The SSL_accept will + ** only succeed when a full SSL record is + ** available (assuming a "real" error + ** doesn't happen). To handle when a "real" + ** error does happen the select is set for + ** exceptions too. + ** The connection may be re-negotiated + ** during this time so both read and write + ** "want errors" need to be handled. + ** A select() exception loops back so that + ** a proper SSL error message can be gotten. + */ + + left = TimeOuts.to_starttls - (now - tlsstart); + timedout = left <= 0; + if (!timedout) + { + tv.tv_sec = left; + tv.tv_usec = 0; + } + + if (!timedout && FD_SETSIZE > 0 && + (rfd >= FD_SETSIZE || + (i == SSL_ERROR_WANT_WRITE && + wfd >= FD_SETSIZE))) + { + if (LogLevel > 5) + { + sm_syslog(LOG_ERR, NOQID, + "STARTTLS=server, error: fd %d/%d too large", + rfd, wfd); + if (LogLevel > 8) + tlslogerr("server"); + } + goto tlsfail; + } + + /* XXX what about SSL_pending() ? */ + if (!timedout && i == SSL_ERROR_WANT_READ) + { + fd_set ssl_maskr, ssl_maskx; + + FD_ZERO(&ssl_maskr); + FD_SET(rfd, &ssl_maskr); + FD_ZERO(&ssl_maskx); + FD_SET(rfd, &ssl_maskx); + if (select(rfd + 1, &ssl_maskr, NULL, + &ssl_maskx, &tv) > 0) + goto ssl_retry; + } + if (!timedout && i == SSL_ERROR_WANT_WRITE) + { + fd_set ssl_maskw, ssl_maskx; + + FD_ZERO(&ssl_maskw); + FD_SET(wfd, &ssl_maskw); + FD_ZERO(&ssl_maskx); + FD_SET(rfd, &ssl_maskx); + if (select(wfd + 1, NULL, &ssl_maskw, + &ssl_maskx, &tv) > 0) + goto ssl_retry; + } + if (LogLevel > 5) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=server, error: accept failed=%d, SSL_error=%d, timedout=%d, errno=%d", + r, i, (int) timedout, errno); + if (LogLevel > 8) + tlslogerr("server"); + } +tlsfail: + tls_ok_srv = false; + SSL_free(srv_ssl); + srv_ssl = NULL; + + /* + ** according to the next draft of + ** RFC 2487 the connection should be dropped + */ + + /* arrange to ignore any current send list */ + e->e_sendqueue = NULL; + goto doquit; + } + + if (fdfl != -1) + fcntl(rfd, F_SETFL, fdfl); + + /* ignore return code for now, it's in {verify} */ + (void) tls_get_info(srv_ssl, true, + CurSmtpClient, + &BlankEnvelope.e_macro, + bitset(SRV_VRFY_CLT, features)); + + /* + ** call Stls_client to find out whether + ** to accept the connection from the client + */ + + saveQuickAbort = QuickAbort; + saveSuprErrs = SuprErrs; + SuprErrs = true; + QuickAbort = false; + if (rscheck("tls_client", + macvalue(macid("{verify}"), e), + "STARTTLS", e, + RSF_RMCOMM|RSF_COUNT, + 5, NULL, NOQID) != EX_OK || + Errors > 0) + { + extern char MsgBuf[]; + + if (MsgBuf[0] != '\0' && ISSMTPREPLY(MsgBuf)) + nullserver = newstr(MsgBuf); + else + nullserver = "503 5.7.0 Authentication required."; + } + QuickAbort = saveQuickAbort; + SuprErrs = saveSuprErrs; + + tls_ok_srv = false; /* don't offer STARTTLS again */ + n_helo = 0; +# if SASL + if (sasl_ok) + { + int cipher_bits; + bool verified; + char *s, *v, *c; + + s = macvalue(macid("{cipher_bits}"), e); + v = macvalue(macid("{verify}"), e); + c = macvalue(macid("{cert_subject}"), e); + verified = (v != NULL && strcmp(v, "OK") == 0); + if (s != NULL && (cipher_bits = atoi(s)) > 0) + { +# if SASL >= 20000 + ext_ssf = cipher_bits; + auth_id = verified ? c : NULL; + sasl_ok = ((sasl_setprop(conn, + SASL_SSF_EXTERNAL, + &ext_ssf) == SASL_OK) && + (sasl_setprop(conn, + SASL_AUTH_EXTERNAL, + auth_id) == SASL_OK)); +# else /* SASL >= 20000 */ + ext_ssf.ssf = cipher_bits; + ext_ssf.auth_id = verified ? c : NULL; + sasl_ok = sasl_setprop(conn, + SASL_SSF_EXTERNAL, + &ext_ssf) == SASL_OK; +# endif /* SASL >= 20000 */ + mechlist = NULL; + if (sasl_ok) + n_mechs = saslmechs(conn, + &mechlist); + } + } +# endif /* SASL */ + + /* switch to secure connection */ + if (sfdctls(&InChannel, &OutChannel, srv_ssl) == 0) + { + tls_active = true; +# if PIPELINING + (void) sm_io_autoflush(InChannel, OutChannel); +# endif /* PIPELINING */ + } + else + { + /* + ** XXX this is an internal error + ** how to deal with it? + ** we can't generate an error message + ** since the other side switched to an + ** encrypted layer, but we could not... + ** just "hang up"? + */ + + nullserver = "454 4.3.3 TLS not available: can't switch to encrypted layer"; + syserr("STARTTLS: can't switch to encrypted layer"); + } + tls_done: + if (smtps) + { + if (tls_active) + goto greeting; + else + goto doquit; + } + break; +#endif /* STARTTLS */ + + case CMDHELO: /* hello -- introduce yourself */ + case CMDEHLO: /* extended hello */ + DELAY_CONN("EHLO"); + if (c->cmd_code == CMDEHLO) + { + protocol = "ESMTP"; + SmtpPhase = "server EHLO"; + } + else + { + protocol = "SMTP"; + SmtpPhase = "server HELO"; + } + + /* avoid denial-of-service */ + STOP_IF_ATTACK(checksmtpattack(&n_helo, MAXHELOCOMMANDS, + true, "HELO/EHLO", e)); + +#if 0 + /* RFC2821 4.1.4 allows duplicate HELO/EHLO */ + /* check for duplicate HELO/EHLO per RFC 1651 4.2 */ + if (gothello) + { + usrerr("503 %s Duplicate HELO/EHLO", + MyHostName); + break; + } +#endif /* 0 */ + + /* check for valid domain name (re 1123 5.2.5) */ + if (*p == '\0' && !AllowBogusHELO) + { + usrerr("501 %s requires domain address", + cmdbuf); + break; + } + + /* check for long domain name (hides Received: info) */ + if (strlen(p) > MAXNAME) + { + usrerr("501 Invalid domain name"); + if (LogLevel > 9) + sm_syslog(LOG_INFO, CurEnv->e_id, + "invalid domain name (too long) from %s", + CurSmtpClient); + break; + } + + ok = true; + for (q = p; *q != '\0'; q++) + { + if (!isascii(*q)) + break; + if (isalnum(*q)) + continue; + if (isspace(*q)) + { + *q = '\0'; + + /* only complain if strict check */ + ok = AllowBogusHELO; + + /* allow trailing whitespace */ + while (!ok && *++q != '\0' && + isspace(*q)) + ; + if (*q == '\0') + ok = true; + break; + } + if (strchr("[].-_#:", *q) == NULL) + break; + } + + if (*q == '\0' && ok) + { + q = "pleased to meet you"; + sendinghost = sm_strdup_x(p); + } + else if (!AllowBogusHELO) + { + usrerr("501 Invalid domain name"); + if (LogLevel > 9) + sm_syslog(LOG_INFO, CurEnv->e_id, + "invalid domain name (%s) from %.100s", + p, CurSmtpClient); + break; + } + else + { + q = "accepting invalid domain name"; + } + + if (gothello) + { + CLEAR_STATE(cmdbuf); + } + +#if MILTER + if (smtp.sm_milterlist && smtp.sm_milterize && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + + response = milter_helo(p, e, &state); + switch (state) + { + case SMFIR_REPLYCODE: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: helo=%s, reject=%s", + p, response); + nullserver = newstr(response); + smtp.sm_milterize = false; + break; + + case SMFIR_REJECT: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: helo=%s, reject=Command rejected", + p); + nullserver = "Command rejected"; + smtp.sm_milterize = false; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: helo=%s, reject=%s", + p, MSG_TEMPFAIL); + tempfail = true; + smtp.sm_milterize = false; + break; + } + if (response != NULL) + sm_free(response); + + /* + ** If quarantining by a connect/ehlo action, + ** save between messages + */ + + if (smtp.sm_quarmsg == NULL && + e->e_quarmsg != NULL) + smtp.sm_quarmsg = newstr(e->e_quarmsg); + } +#endif /* MILTER */ + gothello = true; + + /* print HELO response message */ + if (c->cmd_code != CMDEHLO) + { + message("250 %s Hello %s, %s", + MyHostName, CurSmtpClient, q); + break; + } + + message("250-%s Hello %s, %s", + MyHostName, CurSmtpClient, q); + + /* offer ENHSC even for nullserver */ + if (nullserver != NULL) + { + message("250 ENHANCEDSTATUSCODES"); + break; + } + + /* + ** print EHLO features list + ** + ** Note: If you change this list, + ** remember to update 'helpfile' + */ + + message("250-ENHANCEDSTATUSCODES"); +#if PIPELINING + if (bitset(SRV_OFFER_PIPE, features)) + message("250-PIPELINING"); +#endif /* PIPELINING */ + if (bitset(SRV_OFFER_EXPN, features)) + { + message("250-EXPN"); + if (bitset(SRV_OFFER_VERB, features)) + message("250-VERB"); + } +#if MIME8TO7 + message("250-8BITMIME"); +#endif /* MIME8TO7 */ + if (MaxMessageSize > 0) + message("250-SIZE %ld", MaxMessageSize); + else + message("250-SIZE"); +#if DSN + if (SendMIMEErrors && bitset(SRV_OFFER_DSN, features)) + message("250-DSN"); +#endif /* DSN */ + if (bitset(SRV_OFFER_ETRN, features)) + message("250-ETRN"); +#if SASL + if (sasl_ok && mechlist != NULL && *mechlist != '\0') + message("250-AUTH %s", mechlist); +#endif /* SASL */ +#if STARTTLS + if (tls_ok_srv && + bitset(SRV_OFFER_TLS, features)) + message("250-STARTTLS"); +#endif /* STARTTLS */ + if (DeliverByMin > 0) + message("250-DELIVERBY %ld", + (long) DeliverByMin); + else if (DeliverByMin == 0) + message("250-DELIVERBY"); + + /* < 0: no deliver-by */ + + message("250 HELP"); + break; + + case CMDMAIL: /* mail -- designate sender */ + SmtpPhase = "server MAIL"; + DELAY_CONN("MAIL"); + + /* check for validity of this command */ + if (!gothello && bitset(PRIV_NEEDMAILHELO, PrivacyFlags)) + { + usrerr("503 5.0.0 Polite people say HELO first"); + break; + } + if (smtp.sm_gotmail) + { + usrerr("503 5.5.0 Sender already specified"); + break; + } +#if SASL + if (bitset(SRV_REQ_AUTH, features) && + authenticating != SASL_IS_AUTH) + { + usrerr("530 5.7.0 Authentication required"); + break; + } +#endif /* SASL */ + + p = skipword(p, "from"); + if (p == NULL) + break; + if (tempfail) + { + if (LogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "SMTP MAIL command (%.100s) from %s tempfailed (due to previous checks)", + p, CurSmtpClient); + usrerr(MSG_TEMPFAIL); + break; + } + + /* make sure we know who the sending host is */ + if (sendinghost == NULL) + sendinghost = peerhostname; + + +#if SM_HEAP_CHECK + if (sm_debug_active(&DebugLeakSmtp, 1)) + { + sm_heap_newgroup(); + sm_dprintf("smtp() heap group #%d\n", + sm_heap_group()); + } +#endif /* SM_HEAP_CHECK */ + + if (Errors > 0) + goto undo_no_pm; + if (!gothello) + { + auth_warning(e, "%s didn't use HELO protocol", + CurSmtpClient); + } +#ifdef PICKY_HELO_CHECK + if (sm_strcasecmp(sendinghost, peerhostname) != 0 && + (sm_strcasecmp(peerhostname, "localhost") != 0 || + sm_strcasecmp(sendinghost, MyHostName) != 0)) + { + auth_warning(e, "Host %s claimed to be %s", + CurSmtpClient, sendinghost); + } +#endif /* PICKY_HELO_CHECK */ + + if (protocol == NULL) + protocol = "SMTP"; + macdefine(&e->e_macro, A_PERM, 'r', protocol); + macdefine(&e->e_macro, A_PERM, 's', sendinghost); + + if (Errors > 0) + goto undo_no_pm; + smtp.sm_nrcpts = 0; + n_badrcpts = 0; + macdefine(&e->e_macro, A_PERM, macid("{ntries}"), "0"); + macdefine(&e->e_macro, A_PERM, macid("{nrcpts}"), "0"); + macdefine(&e->e_macro, A_PERM, macid("{nbadrcpts}"), + "0"); + e->e_flags |= EF_CLRQUEUE; + sm_setproctitle(true, e, "%s %s: %.80s", + qid_printname(e), + CurSmtpClient, inp); + + /* do the processing */ + SM_TRY + { + extern char *FullName; + + QuickAbort = true; + SM_FREE_CLR(FullName); + + /* must parse sender first */ + delimptr = NULL; + setsender(p, e, &delimptr, ' ', false); + if (delimptr != NULL && *delimptr != '\0') + *delimptr++ = '\0'; + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + + /* Successfully set e_from, allow logging */ + e->e_flags |= EF_LOGSENDER; + + /* put resulting triple from parseaddr() into macros */ + if (e->e_from.q_mailer != NULL) + macdefine(&e->e_macro, A_PERM, + macid("{mail_mailer}"), + e->e_from.q_mailer->m_name); + else + macdefine(&e->e_macro, A_PERM, + macid("{mail_mailer}"), NULL); + if (e->e_from.q_host != NULL) + macdefine(&e->e_macro, A_PERM, + macid("{mail_host}"), + e->e_from.q_host); + else + macdefine(&e->e_macro, A_PERM, + macid("{mail_host}"), "localhost"); + if (e->e_from.q_user != NULL) + macdefine(&e->e_macro, A_PERM, + macid("{mail_addr}"), + e->e_from.q_user); + else + macdefine(&e->e_macro, A_PERM, + macid("{mail_addr}"), NULL); + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + + /* check for possible spoofing */ + if (RealUid != 0 && OpMode == MD_SMTP && + !wordinclass(RealUserName, 't') && + (!bitnset(M_LOCALMAILER, + e->e_from.q_mailer->m_flags) || + strcmp(e->e_from.q_user, RealUserName) != 0)) + { + auth_warning(e, "%s owned process doing -bs", + RealUserName); + } + + /* reset to default value */ + SevenBitInput = save_sevenbitinput; + + /* now parse ESMTP arguments */ + e->e_msgsize = 0; + addr = p; + argno = 0; + args[argno++] = p; + p = delimptr; + while (p != NULL && *p != '\0') + { + char *kp; + char *vp = NULL; + char *equal = NULL; + + /* locate the beginning of the keyword */ + SKIP_SPACE(p); + if (*p == '\0') + break; + kp = p; + + /* skip to the value portion */ + while ((isascii(*p) && isalnum(*p)) || *p == '-') + p++; + if (*p == '=') + { + equal = p; + *p++ = '\0'; + vp = p; + + /* skip to the end of the value */ + while (*p != '\0' && *p != ' ' && + !(isascii(*p) && iscntrl(*p)) && + *p != '=') + p++; + } + + if (*p != '\0') + *p++ = '\0'; + + if (tTd(19, 1)) + sm_dprintf("MAIL: got arg %s=\"%s\"\n", kp, + vp == NULL ? "" : vp); + + mail_esmtp_args(kp, vp, e); + if (equal != NULL) + *equal = '='; + args[argno++] = kp; + if (argno >= MAXSMTPARGS - 1) + usrerr("501 5.5.4 Too many parameters"); + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + } + args[argno] = NULL; + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + +#if SASL +# if _FFR_AUTH_PASSING + /* set the default AUTH= if the sender didn't */ + if (e->e_auth_param == NULL) + { + /* XXX only do this for an MSA? */ + e->e_auth_param = macvalue(macid("{auth_authen}"), + e); + if (e->e_auth_param == NULL) + e->e_auth_param = "<>"; + + /* + ** XXX should we invoke Strust_auth now? + ** authorizing as the client that just + ** authenticated, so we'll trust implicitly + */ + } +# endif /* _FFR_AUTH_PASSING */ +#endif /* SASL */ + + /* do config file checking of the sender */ + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), "e s"); +#if _FFR_MAIL_MACRO + /* make the "real" sender address available */ + macdefine(&e->e_macro, A_TEMP, macid("{mail_from}"), + e->e_from.q_paddr); +#endif /* _FFR_MAIL_MACRO */ + if (rscheck("check_mail", addr, + NULL, e, RSF_RMCOMM|RSF_COUNT, 3, + NULL, e->e_id) != EX_OK || + Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), NULL); + + if (MaxMessageSize > 0 && + (e->e_msgsize > MaxMessageSize || + e->e_msgsize < 0)) + { + usrerr("552 5.2.3 Message size exceeds fixed maximum message size (%ld)", + MaxMessageSize); + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + } + + /* + ** XXX always check whether there is at least one fs + ** with enough space? + ** However, this may not help much: the queue group + ** selection may later on select a FS that hasn't + ** enough space. + */ + + if ((NumFileSys == 1 || NumQueue == 1) && + !enoughdiskspace(e->e_msgsize, e) +#if _FFR_ANY_FREE_FS + && !filesys_free(e->e_msgsize) +#endif /* _FFR_ANY_FREE_FS */ + ) + { + /* + ** We perform this test again when the + ** queue directory is selected, in collect. + */ + + usrerr("452 4.4.5 Insufficient disk space; try again later"); + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + } + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + + LogUsrErrs = true; +#if MILTER + if (smtp.sm_milterlist && smtp.sm_milterize && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + + response = milter_envfrom(args, e, &state); + MILTER_REPLY("from"); + } +#endif /* MILTER */ + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + + message("250 2.1.0 Sender ok"); + smtp.sm_gotmail = true; + } + SM_EXCEPT(exc, "[!F]*") + { + /* + ** An error occurred while processing a MAIL command. + ** Jump to the common error handling code. + */ + + sm_exc_free(exc); + goto undo_no_pm; + } + SM_END_TRY + break; + + undo_no_pm: + e->e_flags &= ~EF_PM_NOTIFY; + undo: + break; + + case CMDRCPT: /* rcpt -- designate recipient */ + DELAY_CONN("RCPT"); + if (BadRcptThrottle > 0 && + n_badrcpts >= BadRcptThrottle) + { + if (LogLevel > 5 && + n_badrcpts == BadRcptThrottle) + { + sm_syslog(LOG_INFO, e->e_id, + "%s: Possible SMTP RCPT flood, throttling.", + CurSmtpClient); + + /* To avoid duplicated message */ + n_badrcpts++; + } + NBADRCPTS; + + /* + ** Don't use exponential backoff for now. + ** Some servers will open more connections + ** and actually overload the receiver even + ** more. + */ + + (void) sleep(1); + } + if (!smtp.sm_gotmail) + { + usrerr("503 5.0.0 Need MAIL before RCPT"); + break; + } + SmtpPhase = "server RCPT"; + SM_TRY + { + QuickAbort = true; + LogUsrErrs = true; + + /* limit flooding of our machine */ + if (MaxRcptPerMsg > 0 && + smtp.sm_nrcpts >= MaxRcptPerMsg) + { + /* sleep(1); / * slow down? */ + usrerr("452 4.5.3 Too many recipients"); + goto rcpt_done; + } + + if (e->e_sendmode != SM_DELIVER) + e->e_flags |= EF_VRFYONLY; + +#if MILTER + /* + ** If the filter will be deleting recipients, + ** don't expand them at RCPT time (in the call + ** to recipient()). If they are expanded, it + ** is impossible for removefromlist() to figure + ** out the expanded members of the original + ** recipient and mark them as QS_DONTSEND. + */ + + if (milter_can_delrcpts()) + e->e_flags |= EF_VRFYONLY; +#endif /* MILTER */ + + p = skipword(p, "to"); + if (p == NULL) + goto rcpt_done; + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), "e r"); + a = parseaddr(p, NULLADDR, RF_COPYALL, ' ', &delimptr, + e, true); + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), NULL); + if (Errors > 0) + goto rcpt_done; + if (a == NULL) + { + usrerr("501 5.0.0 Missing recipient"); + goto rcpt_done; + } + + if (delimptr != NULL && *delimptr != '\0') + *delimptr++ = '\0'; + + /* put resulting triple from parseaddr() into macros */ + if (a->q_mailer != NULL) + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_mailer}"), + a->q_mailer->m_name); + else + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_mailer}"), NULL); + if (a->q_host != NULL) + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_host}"), a->q_host); + else + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_host}"), "localhost"); + if (a->q_user != NULL) + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_addr}"), a->q_user); + else + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_addr}"), NULL); + if (Errors > 0) + goto rcpt_done; + + /* now parse ESMTP arguments */ + addr = p; + argno = 0; + args[argno++] = p; + p = delimptr; + while (p != NULL && *p != '\0') + { + char *kp; + char *vp = NULL; + char *equal = NULL; + + /* locate the beginning of the keyword */ + SKIP_SPACE(p); + if (*p == '\0') + break; + kp = p; + + /* skip to the value portion */ + while ((isascii(*p) && isalnum(*p)) || *p == '-') + p++; + if (*p == '=') + { + equal = p; + *p++ = '\0'; + vp = p; + + /* skip to the end of the value */ + while (*p != '\0' && *p != ' ' && + !(isascii(*p) && iscntrl(*p)) && + *p != '=') + p++; + } + + if (*p != '\0') + *p++ = '\0'; + + if (tTd(19, 1)) + sm_dprintf("RCPT: got arg %s=\"%s\"\n", kp, + vp == NULL ? "" : vp); + + rcpt_esmtp_args(a, kp, vp, e); + if (equal != NULL) + *equal = '='; + args[argno++] = kp; + if (argno >= MAXSMTPARGS - 1) + usrerr("501 5.5.4 Too many parameters"); + if (Errors > 0) + break; + } + args[argno] = NULL; + if (Errors > 0) + goto rcpt_done; + + /* do config file checking of the recipient */ + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), "e r"); + if (rscheck("check_rcpt", addr, + NULL, e, RSF_RMCOMM|RSF_COUNT, 3, + NULL, e->e_id) != EX_OK || + Errors > 0) + goto rcpt_done; + macdefine(&e->e_macro, A_PERM, + macid("{addr_type}"), NULL); + + /* If discarding, don't bother to verify user */ + if (bitset(EF_DISCARD, e->e_flags)) + a->q_state = QS_VERIFIED; + +#if MILTER + if (smtp.sm_milterlist && smtp.sm_milterize && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + + response = milter_envrcpt(args, e, &state); + MILTER_REPLY("to"); + } +#endif /* MILTER */ + + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_mailer}"), NULL); + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_host}"), NULL); + macdefine(&e->e_macro, A_PERM, + macid("{rcpt_addr}"), NULL); + macdefine(&e->e_macro, A_PERM, + macid("{dsn_notify}"), NULL); + if (Errors > 0) + goto rcpt_done; + + /* save in recipient list after ESMTP mods */ + a = recipient(a, &e->e_sendqueue, 0, e); + if (Errors > 0) + goto rcpt_done; + + /* no errors during parsing, but might be a duplicate */ + e->e_to = a->q_paddr; + if (!QS_IS_BADADDR(a->q_state)) + { + if (smtp.sm_nrcpts == 0) + initsys(e); + message("250 2.1.5 Recipient ok%s", + QS_IS_QUEUEUP(a->q_state) ? + " (will queue)" : ""); + smtp.sm_nrcpts++; + } + else + { + /* punt -- should keep message in ADDRESS.... */ + usrerr("550 5.1.1 Addressee unknown"); + } + rcpt_done: + if (Errors > 0) + { + ++n_badrcpts; + NBADRCPTS; + } + } + SM_EXCEPT(exc, "[!F]*") + { + /* An exception occurred while processing RCPT */ + e->e_flags &= ~(EF_FATALERRS|EF_PM_NOTIFY); + ++n_badrcpts; + NBADRCPTS; + } + SM_END_TRY + break; + + case CMDDATA: /* data -- text of mail */ + DELAY_CONN("DATA"); + if (!smtp_data(&smtp, e)) + goto doquit; + break; + + case CMDRSET: /* rset -- reset state */ + if (tTd(94, 100)) + message("451 4.0.0 Test failure"); + else + message("250 2.0.0 Reset state"); + CLEAR_STATE(cmdbuf); + break; + + case CMDVRFY: /* vrfy -- verify address */ + case CMDEXPN: /* expn -- expand address */ + vrfy = c->cmd_code == CMDVRFY; + DELAY_CONN(vrfy ? "VRFY" : "EXPN"); + if (tempfail) + { + if (LogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "SMTP %s command (%.100s) from %s tempfailed (due to previous checks)", + vrfy ? "VRFY" : "EXPN", + p, CurSmtpClient); + + /* RFC 821 doesn't allow 4xy reply code */ + usrerr("550 5.7.1 Please try again later"); + break; + } + wt = checksmtpattack(&n_verifies, MAXVRFYCOMMANDS, + false, vrfy ? "VRFY" : "EXPN", e); + STOP_IF_ATTACK(wt); + previous = curtime(); + if ((vrfy && bitset(PRIV_NOVRFY, PrivacyFlags)) || + (!vrfy && !bitset(SRV_OFFER_EXPN, features))) + { + if (vrfy) + message("252 2.5.2 Cannot VRFY user; try RCPT to attempt delivery (or try finger)"); + else + message("502 5.7.0 Sorry, we do not allow this operation"); + if (LogLevel > 5) + sm_syslog(LOG_INFO, e->e_id, + "%s: %s [rejected]", + CurSmtpClient, + shortenstring(inp, MAXSHORTSTR)); + break; + } + else if (!gothello && + bitset(vrfy ? PRIV_NEEDVRFYHELO : PRIV_NEEDEXPNHELO, + PrivacyFlags)) + { + usrerr("503 5.0.0 I demand that you introduce yourself first"); + break; + } + if (Errors > 0) + break; + if (LogLevel > 5) + sm_syslog(LOG_INFO, e->e_id, "%s: %s", + CurSmtpClient, + shortenstring(inp, MAXSHORTSTR)); + SM_TRY + { + QuickAbort = true; + vrfyqueue = NULL; + if (vrfy) + e->e_flags |= EF_VRFYONLY; + while (*p != '\0' && isascii(*p) && isspace(*p)) + p++; + if (*p == '\0') + { + usrerr("501 5.5.2 Argument required"); + } + else + { + /* do config file checking of the address */ + if (rscheck(vrfy ? "check_vrfy" : "check_expn", + p, NULL, e, RSF_RMCOMM, + 3, NULL, NOQID) != EX_OK || + Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + (void) sendtolist(p, NULLADDR, &vrfyqueue, 0, e); + } + if (wt > 0) + { + time_t t; + + t = wt - (curtime() - previous); + if (t > 0) + (void) sleep(t); + } + if (Errors > 0) + sm_exc_raisenew_x(&EtypeQuickAbort, 1); + if (vrfyqueue == NULL) + { + usrerr("554 5.5.2 Nothing to %s", vrfy ? "VRFY" : "EXPN"); + } + while (vrfyqueue != NULL) + { + if (!QS_IS_UNDELIVERED(vrfyqueue->q_state)) + { + vrfyqueue = vrfyqueue->q_next; + continue; + } + + /* see if there is more in the vrfy list */ + a = vrfyqueue; + while ((a = a->q_next) != NULL && + (!QS_IS_UNDELIVERED(a->q_state))) + continue; + printvrfyaddr(vrfyqueue, a == NULL, vrfy); + vrfyqueue = a; + } + } + SM_EXCEPT(exc, "[!F]*") + { + /* + ** An exception occurred while processing VRFY/EXPN + */ + + sm_exc_free(exc); + goto undo; + } + SM_END_TRY + break; + + case CMDETRN: /* etrn -- force queue flush */ + DELAY_CONN("ETRN"); + + /* Don't leak queue information via debug flags */ + if (!bitset(SRV_OFFER_ETRN, features) || UseMSP || + (RealUid != 0 && RealUid != TrustedUid && + OpMode == MD_SMTP)) + { + /* different message for MSA ? */ + message("502 5.7.0 Sorry, we do not allow this operation"); + if (LogLevel > 5) + sm_syslog(LOG_INFO, e->e_id, + "%s: %s [rejected]", + CurSmtpClient, + shortenstring(inp, MAXSHORTSTR)); + break; + } + if (tempfail) + { + if (LogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "SMTP ETRN command (%.100s) from %s tempfailed (due to previous checks)", + p, CurSmtpClient); + usrerr(MSG_TEMPFAIL); + break; + } + + if (strlen(p) <= 0) + { + usrerr("500 5.5.2 Parameter required"); + break; + } + + /* crude way to avoid denial-of-service attacks */ + STOP_IF_ATTACK(checksmtpattack(&n_etrn, MAXETRNCOMMANDS, + true, "ETRN", e)); + + /* + ** Do config file checking of the parameter. + ** Even though we have srv_features now, we still + ** need this ruleset because the former is called + ** when the connection has been established, while + ** this ruleset is called when the command is + ** actually issued and therefore has all information + ** available to make a decision. + */ + + if (rscheck("check_etrn", p, NULL, e, + RSF_RMCOMM, 3, NULL, NOQID) != EX_OK || + Errors > 0) + break; + + if (LogLevel > 5) + sm_syslog(LOG_INFO, e->e_id, + "%s: ETRN %s", CurSmtpClient, + shortenstring(p, MAXSHORTSTR)); + + id = p; + if (*id == '#') + { + int i, qgrp; + + id++; + qgrp = name2qid(id); + if (!ISVALIDQGRP(qgrp)) + { + usrerr("459 4.5.4 Queue %s unknown", + id); + break; + } + for (i = 0; i < NumQueue && Queue[i] != NULL; + i++) + Queue[i]->qg_nextrun = (time_t) -1; + Queue[qgrp]->qg_nextrun = 0; + ok = run_work_group(Queue[qgrp]->qg_wgrp, + RWG_FORK|RWG_FORCE); + if (ok && Errors == 0) + message("250 2.0.0 Queuing for queue group %s started", id); + break; + } + + if (*id == '@') + id++; + else + *--id = '@'; + + new = (QUEUE_CHAR *) sm_malloc(sizeof(QUEUE_CHAR)); + if (new == NULL) + { + syserr("500 5.5.0 ETRN out of memory"); + break; + } + new->queue_match = id; + new->queue_negate = false; + new->queue_next = NULL; + QueueLimitRecipient = new; + ok = runqueue(true, false, false, true); + sm_free(QueueLimitRecipient); /* XXX */ + QueueLimitRecipient = NULL; + if (ok && Errors == 0) + message("250 2.0.0 Queuing for node %s started", p); + break; + + case CMDHELP: /* help -- give user info */ + DELAY_CONN("HELP"); + help(p, e); + break; + + case CMDNOOP: /* noop -- do nothing */ + DELAY_CONN("NOOP"); + STOP_IF_ATTACK(checksmtpattack(&n_noop, MAXNOOPCOMMANDS, + true, "NOOP", e)); + message("250 2.0.0 OK"); + break; + + case CMDQUIT: /* quit -- leave mail */ + message("221 2.0.0 %s closing connection", MyHostName); +#if PIPELINING + (void) sm_io_flush(OutChannel, SM_TIME_DEFAULT); +#endif /* PIPELINING */ + + if (smtp.sm_nrcpts > 0) + logundelrcpts(e, "aborted by sender", 9, false); + + /* arrange to ignore any current send list */ + e->e_sendqueue = NULL; + +#if STARTTLS + /* shutdown TLS connection */ + if (tls_active) + { + (void) endtls(srv_ssl, "server"); + tls_active = false; + } +#endif /* STARTTLS */ +#if SASL + if (authenticating == SASL_IS_AUTH) + { + sasl_dispose(&conn); + authenticating = SASL_NOT_AUTH; + /* XXX sasl_done(); this is a child */ + } +#endif /* SASL */ + +doquit: + /* avoid future 050 messages */ + disconnect(1, e); + +#if MILTER + /* close out milter filters */ + milter_quit(e); +#endif /* MILTER */ + + if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags)) + logsender(e, NULL); + e->e_flags &= ~EF_LOGSENDER; + + if (lognullconnection && LogLevel > 5 && + nullserver == NULL) + { + char *d; + + d = macvalue(macid("{daemon_name}"), e); + if (d == NULL) + d = "stdin"; + + /* + ** even though this id is "bogus", it makes + ** it simpler to "grep" related events, e.g., + ** timeouts for the same connection. + */ + + sm_syslog(LOG_INFO, e->e_id, + "%s did not issue MAIL/EXPN/VRFY/ETRN during connection to %s", + CurSmtpClient, d); + } + if (tTd(93, 100)) + { + /* return to handle next connection */ + return; + } + finis(true, true, ExitStat); + /* NOTREACHED */ + + case CMDVERB: /* set verbose mode */ + DELAY_CONN("VERB"); + if (!bitset(SRV_OFFER_EXPN, features) || + !bitset(SRV_OFFER_VERB, features)) + { + /* this would give out the same info */ + message("502 5.7.0 Verbose unavailable"); + break; + } + STOP_IF_ATTACK(checksmtpattack(&n_noop, MAXNOOPCOMMANDS, + true, "VERB", e)); + Verbose = 1; + set_delivery_mode(SM_DELIVER, e); + message("250 2.0.0 Verbose mode"); + break; + +#if SMTPDEBUG + case CMDDBGQSHOW: /* show queues */ + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Send Queue="); + printaddr(smioout, e->e_sendqueue, true); + break; + + case CMDDBGDEBUG: /* set debug mode */ + tTsetup(tTdvect, sizeof tTdvect, "0-99.1"); + tTflag(p); + message("200 2.0.0 Debug set"); + break; + +#else /* SMTPDEBUG */ + case CMDDBGQSHOW: /* show queues */ + case CMDDBGDEBUG: /* set debug mode */ +#endif /* SMTPDEBUG */ + case CMDLOGBOGUS: /* bogus command */ + DELAY_CONN("Bogus"); + if (LogLevel > 0) + sm_syslog(LOG_CRIT, e->e_id, + "\"%s\" command from %s (%.100s)", + c->cmd_name, CurSmtpClient, + anynet_ntoa(&RealHostAddr)); + /* FALLTHROUGH */ + + case CMDERROR: /* unknown command */ +#if MAXBADCOMMANDS > 0 + if (++n_badcmds > MAXBADCOMMANDS) + { + stopattack: + message("421 4.7.0 %s Too many bad commands; closing connection", + MyHostName); + + /* arrange to ignore any current send list */ + e->e_sendqueue = NULL; + goto doquit; + } +#endif /* MAXBADCOMMANDS > 0 */ + +#if MILTER && SMFI_VERSION > 2 + if (smtp.sm_milterlist && smtp.sm_milterize && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + + if (MilterLogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, + "Sending \"%s\" to Milter", inp); + response = milter_unknown(inp, e, &state); + MILTER_REPLY("unknown"); + if (state == SMFIR_REPLYCODE || + state == SMFIR_REJECT || + state == SMFIR_TEMPFAIL) + { + /* MILTER_REPLY already gave an error */ + break; + } + } +#endif /* MILTER && SMFI_VERSION > 2 */ + + usrerr("500 5.5.1 Command unrecognized: \"%s\"", + shortenstring(inp, MAXSHORTSTR)); + break; + + case CMDUNIMPL: + DELAY_CONN("Unimpl"); + usrerr("502 5.5.1 Command not implemented: \"%s\"", + shortenstring(inp, MAXSHORTSTR)); + break; + + default: + DELAY_CONN("default"); + errno = 0; + syserr("500 5.5.0 smtp: unknown code %d", c->cmd_code); + break; + } +#if SASL + } +#endif /* SASL */ + } + SM_EXCEPT(exc, "[!F]*") + { + /* + ** The only possible exception is "E:mta.quickabort". + ** There is nothing to do except fall through and loop. + */ + } + SM_END_TRY + } +} +/* +** SMTP_DATA -- implement the SMTP DATA command. +** +** Parameters: +** smtp -- status of SMTP connection. +** e -- envelope. +** +** Returns: +** true iff SMTP session can continue. +** +** Side Effects: +** possibly sends message. +*/ + +static bool +smtp_data(smtp, e) + SMTP_T *smtp; + ENVELOPE *e; +{ +#if MILTER + bool milteraccept; +#endif /* MILTER */ + bool aborting; + bool doublequeue; + ADDRESS *a; + ENVELOPE *ee; + char *id; + char *oldid; + char buf[32]; + + SmtpPhase = "server DATA"; + if (!smtp->sm_gotmail) + { + usrerr("503 5.0.0 Need MAIL command"); + return true; + } + else if (smtp->sm_nrcpts <= 0) + { + usrerr("503 5.0.0 Need RCPT (recipient)"); + return true; + } + (void) sm_snprintf(buf, sizeof buf, "%u", smtp->sm_nrcpts); + if (rscheck("check_data", buf, NULL, e, + RSF_RMCOMM|RSF_UNSTRUCTURED|RSF_COUNT, 3, NULL, + e->e_id) != EX_OK) + return true; + +#if MILTER && SMFI_VERSION > 3 + if (smtp->sm_milterlist && smtp->sm_milterize && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + int savelogusrerrs = LogUsrErrs; + + response = milter_data_cmd(e, &state); + switch (state) + { + case SMFIR_REPLYCODE: + if (MilterLogLevel > 3) + { + sm_syslog(LOG_INFO, e->e_id, + "Milter: cmd=data, reject=%s", + response); + LogUsrErrs = false; + } + usrerr(response); + if (strncmp(response, "421 ", 4) == 0) + { + e->e_sendqueue = NULL; + return false; + } + return true; + + case SMFIR_REJECT: + if (MilterLogLevel > 3) + { + sm_syslog(LOG_INFO, e->e_id, + "Milter: cmd=data, reject=550 5.7.1 Command rejected"); + LogUsrErrs = false; + } + usrerr("550 5.7.1 Command rejected"); + return true; + + case SMFIR_DISCARD: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: cmd=data, discard"); + e->e_flags |= EF_DISCARD; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 3) + { + sm_syslog(LOG_INFO, e->e_id, + "Milter: cmd=data, reject=%s", + MSG_TEMPFAIL); + LogUsrErrs = false; + } + usrerr(MSG_TEMPFAIL); + return true; + } + LogUsrErrs = savelogusrerrs; + if (response != NULL) + sm_free(response); /* XXX */ + } +#endif /* MILTER && SMFI_VERSION > 3 */ + + /* put back discard bit */ + if (smtp->sm_discard) + e->e_flags |= EF_DISCARD; + + /* check to see if we need to re-expand aliases */ + /* also reset QS_BADADDR on already-diagnosted addrs */ + doublequeue = false; + for (a = e->e_sendqueue; a != NULL; a = a->q_next) + { + if (QS_IS_VERIFIED(a->q_state) && + !bitset(EF_DISCARD, e->e_flags)) + { + /* need to re-expand aliases */ + doublequeue = true; + } + if (QS_IS_BADADDR(a->q_state)) + { + /* make this "go away" */ + a->q_state = QS_DONTSEND; + } + } + + /* collect the text of the message */ + SmtpPhase = "collect"; + buffer_errors(); + + collect(InChannel, true, NULL, e, true); + + /* redefine message size */ + (void) sm_snprintf(buf, sizeof buf, "%ld", e->e_msgsize); + macdefine(&e->e_macro, A_TEMP, macid("{msg_size}"), buf); + +#if _FFR_CHECK_EOM + /* rscheck() will set Errors or EF_DISCARD if it trips */ + (void) rscheck("check_eom", buf, NULL, e, RSF_UNSTRUCTURED|RSF_COUNT, + 3, NULL, e->e_id); +#endif /* _FFR_CHECK_EOM */ + +#if MILTER + milteraccept = true; + if (smtp->sm_milterlist && smtp->sm_milterize && + Errors <= 0 && + !bitset(EF_DISCARD, e->e_flags)) + { + char state; + char *response; + + response = milter_data(e, &state); + switch (state) + { + case SMFIR_REPLYCODE: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: data, reject=%s", + response); + milteraccept = false; + usrerr(response); + break; + + case SMFIR_REJECT: + milteraccept = false; + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: data, reject=554 5.7.1 Command rejected"); + usrerr("554 5.7.1 Command rejected"); + break; + + case SMFIR_DISCARD: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: data, discard"); + milteraccept = false; + e->e_flags |= EF_DISCARD; + break; + + case SMFIR_TEMPFAIL: + if (MilterLogLevel > 3) + sm_syslog(LOG_INFO, e->e_id, + "Milter: data, reject=%s", + MSG_TEMPFAIL); + milteraccept = false; + usrerr(MSG_TEMPFAIL); + break; + } + if (response != NULL) + sm_free(response); + } + + /* Milter may have changed message size */ + (void) sm_snprintf(buf, sizeof buf, "%ld", e->e_msgsize); + macdefine(&e->e_macro, A_TEMP, macid("{msg_size}"), buf); + + /* abort message filters that didn't get the body & log msg is OK */ + if (smtp->sm_milterlist && smtp->sm_milterize) + { + milter_abort(e); + if (milteraccept && MilterLogLevel > 9) + sm_syslog(LOG_INFO, e->e_id, "Milter accept: message"); + } + + /* + ** If SuperSafe is SAFE_REALLY_POSTMILTER, and we don't have milter or + ** milter accepted message, sync it now + ** + ** XXX This is almost a copy of the code in collect(): put it into + ** a function that is called from both places? + */ + + if (milteraccept && SuperSafe == SAFE_REALLY_POSTMILTER) + { + int afd; + SM_FILE_T *volatile df; + char *dfname; + + df = e->e_dfp; + dfname = queuename(e, DATAFL_LETTER); + if (sm_io_setinfo(df, SM_BF_COMMIT, NULL) < 0 + && errno != EINVAL) + { + int save_errno; + + save_errno = errno; + if (save_errno == EEXIST) + { + struct stat st; + int dfd; + + if (stat(dfname, &st) < 0) + st.st_size = -1; + errno = EEXIST; + syserr("@collect: bfcommit(%s): already on disk, size=%ld", + dfname, (long) st.st_size); + dfd = sm_io_getinfo(df, SM_IO_WHAT_FD, NULL); + if (dfd >= 0) + dumpfd(dfd, true, true); + } + errno = save_errno; + dferror(df, "bfcommit", e); + flush_errors(true); + finis(save_errno != EEXIST, true, ExitStat); + } + else if ((afd = sm_io_getinfo(df, SM_IO_WHAT_FD, NULL)) < 0) + { + dferror(df, "sm_io_getinfo", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + else if (fsync(afd) < 0) + { + dferror(df, "fsync", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + else if (sm_io_close(df, SM_TIME_DEFAULT) < 0) + { + dferror(df, "sm_io_close", e); + flush_errors(true); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + + /* Now reopen the df file */ + e->e_dfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, dfname, + SM_IO_RDONLY, NULL); + if (e->e_dfp == NULL) + { + /* we haven't acked receipt yet, so just chuck this */ + syserr("@Cannot reopen %s", dfname); + finis(true, true, ExitStat); + /* NOTREACHED */ + } + } +#endif /* MILTER */ + + /* Check if quarantining stats should be updated */ + if (e->e_quarmsg != NULL) + markstats(e, NULL, STATS_QUARANTINE); + + /* + ** If a header/body check (header checks or milter) + ** set EF_DISCARD, don't queueup the message -- + ** that would lose the EF_DISCARD bit and deliver + ** the message. + */ + + if (bitset(EF_DISCARD, e->e_flags)) + doublequeue = false; + + aborting = Errors > 0; + if (!(aborting || bitset(EF_DISCARD, e->e_flags)) && + (QueueMode == QM_QUARANTINE || e->e_quarmsg == NULL) && + !split_by_recipient(e)) + aborting = bitset(EF_FATALERRS, e->e_flags); + + if (aborting) + { + /* Log who the mail would have gone to */ + logundelrcpts(e, e->e_message, 8, false); + flush_errors(true); + buffer_errors(); + goto abortmessage; + } + + /* from now on, we have to operate silently */ + buffer_errors(); + +#if 0 + /* + ** Clear message, it may contain an error from the SMTP dialogue. + ** This error must not show up in the queue. + ** Some error message should show up, e.g., alias database + ** not available, but others shouldn't, e.g., from check_rcpt. + */ + + e->e_message = NULL; +#endif /* 0 */ + + /* + ** Arrange to send to everyone. + ** If sending to multiple people, mail back + ** errors rather than reporting directly. + ** In any case, don't mail back errors for + ** anything that has happened up to + ** now (the other end will do this). + ** Truncate our transcript -- the mail has gotten + ** to us successfully, and if we have + ** to mail this back, it will be easier + ** on the reader. + ** Then send to everyone. + ** Finally give a reply code. If an error has + ** already been given, don't mail a + ** message back. + ** We goose error returns by clearing error bit. + */ + + SmtpPhase = "delivery"; + (void) sm_io_setinfo(e->e_xfp, SM_BF_TRUNCATE, NULL); + id = e->e_id; + +#if NAMED_BIND + _res.retry = TimeOuts.res_retry[RES_TO_FIRST]; + _res.retrans = TimeOuts.res_retrans[RES_TO_FIRST]; +#endif /* NAMED_BIND */ + + for (ee = e; ee != NULL; ee = ee->e_sibling) + { + /* make sure we actually do delivery */ + ee->e_flags &= ~EF_CLRQUEUE; + + /* from now on, operate silently */ + ee->e_errormode = EM_MAIL; + + if (doublequeue) + { + /* make sure it is in the queue */ + queueup(ee, false, true); + } + else + { + /* send to all recipients */ + sendall(ee, SM_DEFAULT); + } + ee->e_to = NULL; + } + + /* put back id for SMTP logging in putoutmsg() */ + oldid = CurEnv->e_id; + CurEnv->e_id = id; + + /* issue success message */ + message("250 2.0.0 %s Message accepted for delivery", id); + CurEnv->e_id = oldid; + + /* if we just queued, poke it */ + if (doublequeue) + { + bool anything_to_send = false; + + sm_getla(); + for (ee = e; ee != NULL; ee = ee->e_sibling) + { + if (WILL_BE_QUEUED(ee->e_sendmode)) + continue; + if (shouldqueue(ee->e_msgpriority, ee->e_ctime)) + { + ee->e_sendmode = SM_QUEUE; + continue; + } + else if (QueueMode != QM_QUARANTINE && + ee->e_quarmsg != NULL) + { + ee->e_sendmode = SM_QUEUE; + continue; + } + anything_to_send = true; + + /* close all the queue files */ + closexscript(ee); + if (ee->e_dfp != NULL) + { + (void) sm_io_close(ee->e_dfp, SM_TIME_DEFAULT); + ee->e_dfp = NULL; + } + unlockqueue(ee); + } + if (anything_to_send) + { +#if PIPELINING + /* + ** XXX if we don't do this, we get 250 twice + ** because it is also flushed in the child. + */ + + (void) sm_io_flush(OutChannel, SM_TIME_DEFAULT); +#endif /* PIPELINING */ + (void) doworklist(e, true, true); + } + } + + abortmessage: + if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags)) + logsender(e, NULL); + e->e_flags &= ~EF_LOGSENDER; + + /* clean up a bit */ + smtp->sm_gotmail = false; + + /* + ** Call dropenvelope if and only if the envelope is *not* + ** being processed by the child process forked by doworklist(). + */ + + if (aborting || bitset(EF_DISCARD, e->e_flags)) + dropenvelope(e, true, false); + else + { + for (ee = e; ee != NULL; ee = ee->e_sibling) + { + if (!doublequeue && + QueueMode != QM_QUARANTINE && + ee->e_quarmsg != NULL) + { + dropenvelope(ee, true, false); + continue; + } + if (WILL_BE_QUEUED(ee->e_sendmode)) + dropenvelope(ee, true, false); + } + } + sm_rpool_free(e->e_rpool); + + /* + ** At this point, e == &MainEnvelope, but if we did splitting, + ** then CurEnv may point to an envelope structure that was just + ** freed with the rpool. So reset CurEnv *before* calling + ** newenvelope. + */ + + CurEnv = e; + newenvelope(e, e, sm_rpool_new_x(NULL)); + e->e_flags = BlankEnvelope.e_flags; + + /* restore connection quarantining */ + if (smtp->sm_quarmsg == NULL) + { + e->e_quarmsg = NULL; + macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), ""); + } + else + { + e->e_quarmsg = sm_rpool_strdup_x(e->e_rpool, smtp->sm_quarmsg); + macdefine(&e->e_macro, A_PERM, + macid("{quarantine}"), e->e_quarmsg); + } + return true; +} +/* +** LOGUNDELRCPTS -- log undelivered (or all) recipients. +** +** Parameters: +** e -- envelope. +** msg -- message for Stat= +** level -- log level. +** all -- log all recipients. +** +** Returns: +** none. +** +** Side Effects: +** logs undelivered (or all) recipients +*/ + +void +logundelrcpts(e, msg, level, all) + ENVELOPE *e; + char *msg; + int level; + bool all; +{ + ADDRESS *a; + + if (LogLevel <= level || msg == NULL || *msg == '\0') + return; + + /* Clear $h so relay= doesn't get mislogged by logdelivery() */ + macdefine(&e->e_macro, A_PERM, 'h', NULL); + + /* Log who the mail would have gone to */ + for (a = e->e_sendqueue; a != NULL; a = a->q_next) + { + if (!QS_IS_UNDELIVERED(a->q_state) && !all) + continue; + e->e_to = a->q_paddr; + logdelivery(NULL, NULL, a->q_status, msg, NULL, + (time_t) 0, e); + } + e->e_to = NULL; +} +/* +** CHECKSMTPATTACK -- check for denial-of-service attack by repetition +** +** Parameters: +** pcounter -- pointer to a counter for this command. +** maxcount -- maximum value for this counter before we +** slow down. +** waitnow -- sleep now (in this routine)? +** cname -- command name for logging. +** e -- the current envelope. +** +** Returns: +** time to wait, +** STOP_ATTACK if twice as many commands as allowed and +** MaxChildren > 0. +** +** Side Effects: +** Slows down if we seem to be under attack. +*/ + +static time_t +checksmtpattack(pcounter, maxcount, waitnow, cname, e) + volatile unsigned int *pcounter; + unsigned int maxcount; + bool waitnow; + char *cname; + ENVELOPE *e; +{ + if (maxcount <= 0) /* no limit */ + return (time_t) 0; + + if (++(*pcounter) >= maxcount) + { + unsigned int shift; + time_t s; + + if (*pcounter == maxcount && LogLevel > 5) + { + sm_syslog(LOG_INFO, e->e_id, + "%s: possible SMTP attack: command=%.40s, count=%u", + CurSmtpClient, cname, *pcounter); + } + shift = *pcounter - maxcount; + s = 1 << shift; + if (shift > MAXSHIFT || s >= MAXTIMEOUT || s <= 0) + s = MAXTIMEOUT; + +#define IS_ATTACK(s) ((MaxChildren > 0 && *pcounter >= maxcount * 2) \ + ? STOP_ATTACK : (time_t) s) + + /* sleep at least 1 second before returning */ + (void) sleep(*pcounter / maxcount); + s -= *pcounter / maxcount; + if (s >= MAXTIMEOUT || s < 0) + s = MAXTIMEOUT; + if (waitnow && s > 0) + { + (void) sleep(s); + return IS_ATTACK(0); + } + return IS_ATTACK(s); + } + return (time_t) 0; +} +/* +** SETUP_SMTPD_IO -- setup I/O fd correctly for the SMTP server +** +** Parameters: +** none. +** +** Returns: +** nothing. +** +** Side Effects: +** may change I/O fd. +*/ + +static void +setup_smtpd_io() +{ + int inchfd, outchfd, outfd; + + inchfd = sm_io_getinfo(InChannel, SM_IO_WHAT_FD, NULL); + outchfd = sm_io_getinfo(OutChannel, SM_IO_WHAT_FD, NULL); + outfd = sm_io_getinfo(smioout, SM_IO_WHAT_FD, NULL); + if (outchfd != outfd) + { + /* arrange for debugging output to go to remote host */ + (void) dup2(outchfd, outfd); + } + + /* + ** if InChannel and OutChannel are stdin/stdout + ** and connected to ttys + ** and fcntl(STDIN, F_SETFL, O_NONBLOCKING) also changes STDOUT, + ** then "chain" them together. + */ + + if (inchfd == STDIN_FILENO && outchfd == STDOUT_FILENO && + isatty(inchfd) && isatty(outchfd)) + { + int inmode, outmode; + + inmode = fcntl(inchfd, F_GETFL, 0); + if (inmode == -1) + { + if (LogLevel > 11) + sm_syslog(LOG_INFO, NOQID, + "fcntl(inchfd, F_GETFL) failed: %s", + sm_errstring(errno)); + return; + } + outmode = fcntl(outchfd, F_GETFL, 0); + if (outmode == -1) + { + if (LogLevel > 11) + sm_syslog(LOG_INFO, NOQID, + "fcntl(outchfd, F_GETFL) failed: %s", + sm_errstring(errno)); + return; + } + if (bitset(O_NONBLOCK, inmode) || + bitset(O_NONBLOCK, outmode) || + fcntl(inchfd, F_SETFL, inmode | O_NONBLOCK) == -1) + return; + outmode = fcntl(outchfd, F_GETFL, 0); + if (outmode != -1 && bitset(O_NONBLOCK, outmode)) + { + /* changing InChannel also changes OutChannel */ + sm_io_automode(OutChannel, InChannel); + if (tTd(97, 4) && LogLevel > 9) + sm_syslog(LOG_INFO, NOQID, + "set automode for I (%d)/O (%d) in SMTP server", + inchfd, outchfd); + } + + /* undo change of inchfd */ + (void) fcntl(inchfd, F_SETFL, inmode); + } +} +/* +** SKIPWORD -- skip a fixed word. +** +** Parameters: +** p -- place to start looking. +** w -- word to skip. +** +** Returns: +** p following w. +** NULL on error. +** +** Side Effects: +** clobbers the p data area. +*/ + +static char * +skipword(p, w) + register char *volatile p; + char *w; +{ + register char *q; + char *firstp = p; + + /* find beginning of word */ + SKIP_SPACE(p); + q = p; + + /* find end of word */ + while (*p != '\0' && *p != ':' && !(isascii(*p) && isspace(*p))) + p++; + while (isascii(*p) && isspace(*p)) + *p++ = '\0'; + if (*p != ':') + { + syntax: + usrerr("501 5.5.2 Syntax error in parameters scanning \"%s\"", + shortenstring(firstp, MAXSHORTSTR)); + return NULL; + } + *p++ = '\0'; + SKIP_SPACE(p); + + if (*p == '\0') + goto syntax; + + /* see if the input word matches desired word */ + if (sm_strcasecmp(q, w)) + goto syntax; + + return p; +} +/* +** MAIL_ESMTP_ARGS -- process ESMTP arguments from MAIL line +** +** Parameters: +** kp -- the parameter key. +** vp -- the value of that parameter. +** e -- the envelope. +** +** Returns: +** none. +*/ + +static void +mail_esmtp_args(kp, vp, e) + char *kp; + char *vp; + ENVELOPE *e; +{ + if (sm_strcasecmp(kp, "size") == 0) + { + if (vp == NULL) + { + usrerr("501 5.5.2 SIZE requires a value"); + /* NOTREACHED */ + } + macdefine(&e->e_macro, A_TEMP, macid("{msg_size}"), vp); + errno = 0; + e->e_msgsize = strtol(vp, (char **) NULL, 10); + if (e->e_msgsize == LONG_MAX && errno == ERANGE) + { + usrerr("552 5.2.3 Message size exceeds maximum value"); + /* NOTREACHED */ + } + if (e->e_msgsize < 0) + { + usrerr("552 5.2.3 Message size invalid"); + /* NOTREACHED */ + } + } + else if (sm_strcasecmp(kp, "body") == 0) + { + if (vp == NULL) + { + usrerr("501 5.5.2 BODY requires a value"); + /* NOTREACHED */ + } + else if (sm_strcasecmp(vp, "8bitmime") == 0) + { + SevenBitInput = false; + } + else if (sm_strcasecmp(vp, "7bit") == 0) + { + SevenBitInput = true; + } + else + { + usrerr("501 5.5.4 Unknown BODY type %s", vp); + /* NOTREACHED */ + } + e->e_bodytype = sm_rpool_strdup_x(e->e_rpool, vp); + } + else if (sm_strcasecmp(kp, "envid") == 0) + { + if (bitset(PRIV_NORECEIPTS, PrivacyFlags)) + { + usrerr("504 5.7.0 Sorry, ENVID not supported, we do not allow DSN"); + /* NOTREACHED */ + } + if (vp == NULL) + { + usrerr("501 5.5.2 ENVID requires a value"); + /* NOTREACHED */ + } + if (!xtextok(vp)) + { + usrerr("501 5.5.4 Syntax error in ENVID parameter value"); + /* NOTREACHED */ + } + if (e->e_envid != NULL) + { + usrerr("501 5.5.0 Duplicate ENVID parameter"); + /* NOTREACHED */ + } + e->e_envid = sm_rpool_strdup_x(e->e_rpool, vp); + macdefine(&e->e_macro, A_PERM, + macid("{dsn_envid}"), e->e_envid); + } + else if (sm_strcasecmp(kp, "ret") == 0) + { + if (bitset(PRIV_NORECEIPTS, PrivacyFlags)) + { + usrerr("504 5.7.0 Sorry, RET not supported, we do not allow DSN"); + /* NOTREACHED */ + } + if (vp == NULL) + { + usrerr("501 5.5.2 RET requires a value"); + /* NOTREACHED */ + } + if (bitset(EF_RET_PARAM, e->e_flags)) + { + usrerr("501 5.5.0 Duplicate RET parameter"); + /* NOTREACHED */ + } + e->e_flags |= EF_RET_PARAM; + if (sm_strcasecmp(vp, "hdrs") == 0) + e->e_flags |= EF_NO_BODY_RETN; + else if (sm_strcasecmp(vp, "full") != 0) + { + usrerr("501 5.5.2 Bad argument \"%s\" to RET", vp); + /* NOTREACHED */ + } + macdefine(&e->e_macro, A_TEMP, macid("{dsn_ret}"), vp); + } +#if SASL + else if (sm_strcasecmp(kp, "auth") == 0) + { + int len; + char *q; + char *auth_param; /* the value of the AUTH=x */ + bool saveQuickAbort = QuickAbort; + bool saveSuprErrs = SuprErrs; + bool saveExitStat = ExitStat; + + if (vp == NULL) + { + usrerr("501 5.5.2 AUTH= requires a value"); + /* NOTREACHED */ + } + if (e->e_auth_param != NULL) + { + usrerr("501 5.5.0 Duplicate AUTH parameter"); + /* NOTREACHED */ + } + if ((q = strchr(vp, ' ')) != NULL) + len = q - vp + 1; + else + len = strlen(vp) + 1; + auth_param = xalloc(len); + (void) sm_strlcpy(auth_param, vp, len); + if (!xtextok(auth_param)) + { + usrerr("501 5.5.4 Syntax error in AUTH parameter value"); + /* just a warning? */ + /* NOTREACHED */ + } + + /* XXX define this always or only if trusted? */ + macdefine(&e->e_macro, A_TEMP, macid("{auth_author}"), + auth_param); + + /* + ** call Strust_auth to find out whether + ** auth_param is acceptable (trusted) + ** we shouldn't trust it if not authenticated + ** (required by RFC, leave it to ruleset?) + */ + + SuprErrs = true; + QuickAbort = false; + if (strcmp(auth_param, "<>") != 0 && + (rscheck("trust_auth", auth_param, NULL, e, RSF_RMCOMM, + 9, NULL, NOQID) != EX_OK || Errors > 0)) + { + if (tTd(95, 8)) + { + q = e->e_auth_param; + sm_dprintf("auth=\"%.100s\" not trusted user=\"%.100s\"\n", + auth_param, (q == NULL) ? "" : q); + } + + /* not trusted */ + e->e_auth_param = "<>"; +# if _FFR_AUTH_PASSING + macdefine(&BlankEnvelope.e_macro, A_PERM, + macid("{auth_author}"), NULL); +# endif /* _FFR_AUTH_PASSING */ + } + else + { + if (tTd(95, 8)) + sm_dprintf("auth=\"%.100s\" trusted\n", auth_param); + e->e_auth_param = sm_rpool_strdup_x(e->e_rpool, + auth_param); + } + sm_free(auth_param); /* XXX */ + + /* reset values */ + Errors = 0; + QuickAbort = saveQuickAbort; + SuprErrs = saveSuprErrs; + ExitStat = saveExitStat; + } +#endif /* SASL */ +#define PRTCHAR(c) ((isascii(c) && isprint(c)) ? (c) : '?') + + /* + ** "by" is only accepted if DeliverByMin >= 0. + ** We maybe could add this to the list of server_features. + */ + + else if (sm_strcasecmp(kp, "by") == 0 && DeliverByMin >= 0) + { + char *s; + + if (vp == NULL) + { + usrerr("501 5.5.2 BY= requires a value"); + /* NOTREACHED */ + } + errno = 0; + e->e_deliver_by = strtol(vp, &s, 10); + if (e->e_deliver_by == LONG_MIN || + e->e_deliver_by == LONG_MAX || + e->e_deliver_by > 999999999l || + e->e_deliver_by < -999999999l) + { + usrerr("501 5.5.2 BY=%s out of range", vp); + /* NOTREACHED */ + } + if (s == NULL || *s != ';') + { + usrerr("501 5.5.2 BY= missing ';'"); + /* NOTREACHED */ + } + e->e_dlvr_flag = 0; + ++s; /* XXX: spaces allowed? */ + SKIP_SPACE(s); + switch (tolower(*s)) + { + case 'n': + e->e_dlvr_flag = DLVR_NOTIFY; + break; + case 'r': + e->e_dlvr_flag = DLVR_RETURN; + if (e->e_deliver_by <= 0) + { + usrerr("501 5.5.4 mode R requires BY time > 0"); + /* NOTREACHED */ + } + if (DeliverByMin > 0 && e->e_deliver_by > 0 && + e->e_deliver_by < DeliverByMin) + { + usrerr("555 5.5.2 time %ld less than %ld", + e->e_deliver_by, (long) DeliverByMin); + /* NOTREACHED */ + } + break; + default: + usrerr("501 5.5.2 illegal by-mode '%c'", PRTCHAR(*s)); + /* NOTREACHED */ + } + ++s; /* XXX: spaces allowed? */ + SKIP_SPACE(s); + switch (tolower(*s)) + { + case 't': + e->e_dlvr_flag |= DLVR_TRACE; + break; + case '\0': + break; + default: + usrerr("501 5.5.2 illegal by-trace '%c'", PRTCHAR(*s)); + /* NOTREACHED */ + } + + /* XXX: check whether more characters follow? */ + } + else + { + usrerr("555 5.5.4 %s parameter unrecognized", kp); + /* NOTREACHED */ + } +} +/* +** RCPT_ESMTP_ARGS -- process ESMTP arguments from RCPT line +** +** Parameters: +** a -- the address corresponding to the To: parameter. +** kp -- the parameter key. +** vp -- the value of that parameter. +** e -- the envelope. +** +** Returns: +** none. +*/ + +static void +rcpt_esmtp_args(a, kp, vp, e) + ADDRESS *a; + char *kp; + char *vp; + ENVELOPE *e; +{ + if (sm_strcasecmp(kp, "notify") == 0) + { + char *p; + + if (bitset(PRIV_NORECEIPTS, PrivacyFlags)) + { + usrerr("504 5.7.0 Sorry, NOTIFY not supported, we do not allow DSN"); + /* NOTREACHED */ + } + if (vp == NULL) + { + usrerr("501 5.5.2 NOTIFY requires a value"); + /* NOTREACHED */ + } + a->q_flags &= ~(QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY); + a->q_flags |= QHASNOTIFY; + macdefine(&e->e_macro, A_TEMP, macid("{dsn_notify}"), vp); + + if (sm_strcasecmp(vp, "never") == 0) + return; + for (p = vp; p != NULL; vp = p) + { + char *s; + + s = p = strchr(p, ','); + if (p != NULL) + *p++ = '\0'; + if (sm_strcasecmp(vp, "success") == 0) + a->q_flags |= QPINGONSUCCESS; + else if (sm_strcasecmp(vp, "failure") == 0) + a->q_flags |= QPINGONFAILURE; + else if (sm_strcasecmp(vp, "delay") == 0) + a->q_flags |= QPINGONDELAY; + else + { + usrerr("501 5.5.4 Bad argument \"%s\" to NOTIFY", + vp); + /* NOTREACHED */ + } + if (s != NULL) + *s = ','; + } + } + else if (sm_strcasecmp(kp, "orcpt") == 0) + { + if (bitset(PRIV_NORECEIPTS, PrivacyFlags)) + { + usrerr("504 5.7.0 Sorry, ORCPT not supported, we do not allow DSN"); + /* NOTREACHED */ + } + if (vp == NULL) + { + usrerr("501 5.5.2 ORCPT requires a value"); + /* NOTREACHED */ + } + if (strchr(vp, ';') == NULL || !xtextok(vp)) + { + usrerr("501 5.5.4 Syntax error in ORCPT parameter value"); + /* NOTREACHED */ + } + if (a->q_orcpt != NULL) + { + usrerr("501 5.5.0 Duplicate ORCPT parameter"); + /* NOTREACHED */ + } + a->q_orcpt = sm_rpool_strdup_x(e->e_rpool, vp); + } + else + { + usrerr("555 5.5.4 %s parameter unrecognized", kp); + /* NOTREACHED */ + } +} +/* +** PRINTVRFYADDR -- print an entry in the verify queue +** +** Parameters: +** a -- the address to print. +** last -- set if this is the last one. +** vrfy -- set if this is a VRFY command. +** +** Returns: +** none. +** +** Side Effects: +** Prints the appropriate 250 codes. +*/ +#define OFFF (3 + 1 + 5 + 1) /* offset in fmt: SMTP reply + enh. code */ + +static void +printvrfyaddr(a, last, vrfy) + register ADDRESS *a; + bool last; + bool vrfy; +{ + char fmtbuf[30]; + + if (vrfy && a->q_mailer != NULL && + !bitnset(M_VRFY250, a->q_mailer->m_flags)) + (void) sm_strlcpy(fmtbuf, "252", sizeof fmtbuf); + else + (void) sm_strlcpy(fmtbuf, "250", sizeof fmtbuf); + fmtbuf[3] = last ? ' ' : '-'; + (void) sm_strlcpy(&fmtbuf[4], "2.1.5 ", sizeof fmtbuf - 4); + if (a->q_fullname == NULL) + { + if ((a->q_mailer == NULL || + a->q_mailer->m_addrtype == NULL || + sm_strcasecmp(a->q_mailer->m_addrtype, "rfc822") == 0) && + strchr(a->q_user, '@') == NULL) + (void) sm_strlcpy(&fmtbuf[OFFF], "<%s@%s>", + sizeof fmtbuf - OFFF); + else + (void) sm_strlcpy(&fmtbuf[OFFF], "<%s>", + sizeof fmtbuf - OFFF); + message(fmtbuf, a->q_user, MyHostName); + } + else + { + if ((a->q_mailer == NULL || + a->q_mailer->m_addrtype == NULL || + sm_strcasecmp(a->q_mailer->m_addrtype, "rfc822") == 0) && + strchr(a->q_user, '@') == NULL) + (void) sm_strlcpy(&fmtbuf[OFFF], "%s <%s@%s>", + sizeof fmtbuf - OFFF); + else + (void) sm_strlcpy(&fmtbuf[OFFF], "%s <%s>", + sizeof fmtbuf - OFFF); + message(fmtbuf, a->q_fullname, a->q_user, MyHostName); + } +} + +#if SASL +/* +** SASLMECHS -- get list of possible AUTH mechanisms +** +** Parameters: +** conn -- SASL connection info. +** mechlist -- output parameter for list of mechanisms. +** +** Returns: +** number of mechs. +*/ + +static int +saslmechs(conn, mechlist) + sasl_conn_t *conn; + char **mechlist; +{ + int len, num, result; + + /* "user" is currently unused */ +# if SASL >= 20000 + result = sasl_listmech(conn, NULL, + "", " ", "", (const char **) mechlist, + (unsigned int *)&len, &num); +# else /* SASL >= 20000 */ + result = sasl_listmech(conn, "user", /* XXX */ + "", " ", "", mechlist, + (unsigned int *)&len, (unsigned int *)&num); +# endif /* SASL >= 20000 */ + if (result != SASL_OK) + { + if (LogLevel > 9) + sm_syslog(LOG_WARNING, NOQID, + "AUTH error: listmech=%d, num=%d", + result, num); + num = 0; + } + if (num > 0) + { + if (LogLevel > 11) + sm_syslog(LOG_INFO, NOQID, + "AUTH: available mech=%s, allowed mech=%s", + *mechlist, AuthMechanisms); + *mechlist = intersect(AuthMechanisms, *mechlist, NULL); + } + else + { + *mechlist = NULL; /* be paranoid... */ + if (result == SASL_OK && LogLevel > 9) + sm_syslog(LOG_WARNING, NOQID, + "AUTH warning: no mechanisms"); + } + return num; +} + +# if SASL >= 20000 +/* +** PROXY_POLICY -- define proxy policy for AUTH +** +** Parameters: +** conn -- unused. +** context -- unused. +** requested_user -- authorization identity. +** rlen -- authorization identity length. +** auth_identity -- authentication identity. +** alen -- authentication identity length. +** def_realm -- default user realm. +** urlen -- user realm length. +** propctx -- unused. +** +** Returns: +** ok? +** +** Side Effects: +** sets {auth_authen} macro. +*/ + +int +proxy_policy(conn, context, requested_user, rlen, auth_identity, alen, + def_realm, urlen, propctx) + sasl_conn_t *conn; + void *context; + const char *requested_user; + unsigned rlen; + const char *auth_identity; + unsigned alen; + const char *def_realm; + unsigned urlen; + struct propctx *propctx; +{ + if (auth_identity == NULL) + return SASL_FAIL; + + macdefine(&BlankEnvelope.e_macro, A_TEMP, + macid("{auth_authen}"), (char *) auth_identity); + + return SASL_OK; +} +# else /* SASL >= 20000 */ + +/* +** PROXY_POLICY -- define proxy policy for AUTH +** +** Parameters: +** context -- unused. +** auth_identity -- authentication identity. +** requested_user -- authorization identity. +** user -- allowed user (output). +** errstr -- possible error string (output). +** +** Returns: +** ok? +*/ + +int +proxy_policy(context, auth_identity, requested_user, user, errstr) + void *context; + const char *auth_identity; + const char *requested_user; + const char **user; + const char **errstr; +{ + if (user == NULL || auth_identity == NULL) + return SASL_FAIL; + *user = newstr(auth_identity); + return SASL_OK; +} +# endif /* SASL >= 20000 */ +#endif /* SASL */ + +#if STARTTLS +/* +** INITSRVTLS -- initialize server side TLS +** +** Parameters: +** tls_ok -- should tls initialization be done? +** +** Returns: +** succeeded? +** +** Side Effects: +** sets tls_ok_srv which is a static variable in this module. +** Do NOT remove assignments to it! +*/ + +bool +initsrvtls(tls_ok) + bool tls_ok; +{ + if (!tls_ok) + return false; + + /* do NOT remove assignment */ + tls_ok_srv = inittls(&srv_ctx, TLS_Srv_Opts, true, SrvCertFile, + SrvKeyFile, CACertPath, CACertFile, DHParams); + return tls_ok_srv; +} +#endif /* STARTTLS */ +/* +** SRVFEATURES -- get features for SMTP server +** +** Parameters: +** e -- envelope (should be session context). +** clientname -- name of client. +** features -- default features for this invocation. +** +** Returns: +** server features. +*/ + +/* table with options: it uses just one character, how about strings? */ +static struct +{ + char srvf_opt; + unsigned int srvf_flag; +} srv_feat_table[] = +{ + { 'A', SRV_OFFER_AUTH }, + { 'B', SRV_OFFER_VERB }, + { 'C', SRV_REQ_SEC }, + { 'D', SRV_OFFER_DSN }, + { 'E', SRV_OFFER_ETRN }, + { 'L', SRV_REQ_AUTH }, +#if PIPELINING +# if _FFR_NO_PIPE + { 'N', SRV_NO_PIPE }, +# endif /* _FFR_NO_PIPE */ + { 'P', SRV_OFFER_PIPE }, +#endif /* PIPELINING */ + { 'R', SRV_VRFY_CLT }, /* same as V; not documented */ + { 'S', SRV_OFFER_TLS }, +/* { 'T', SRV_TMP_FAIL }, */ + { 'V', SRV_VRFY_CLT }, + { 'X', SRV_OFFER_EXPN }, +/* { 'Y', SRV_OFFER_VRFY }, */ + { '\0', SRV_NONE } +}; + +static unsigned int +srvfeatures(e, clientname, features) + ENVELOPE *e; + char *clientname; + unsigned int features; +{ + int r, i, j; + char **pvp, c, opt; + char pvpbuf[PSBUFSIZE]; + + pvp = NULL; + r = rscap("srv_features", clientname, "", e, &pvp, pvpbuf, + sizeof(pvpbuf)); + if (r != EX_OK) + return features; + if (pvp == NULL || pvp[0] == NULL || (pvp[0][0] & 0377) != CANONNET) + return features; + if (pvp[1] != NULL && sm_strncasecmp(pvp[1], "temp", 4) == 0) + return SRV_TMP_FAIL; + + /* + ** General rule (see sendmail.h, d_flags): + ** lower case: required/offered, upper case: Not required/available + ** + ** Since we can change some features per daemon, we have both + ** cases here: turn on/off a feature. + */ + + for (i = 1; pvp[i] != NULL; i++) + { + c = pvp[i][0]; + j = 0; + for (;;) + { + if ((opt = srv_feat_table[j].srvf_opt) == '\0') + { + if (LogLevel > 9) + sm_syslog(LOG_WARNING, e->e_id, + "srvfeatures: unknown feature %s", + pvp[i]); + break; + } + if (c == opt) + { + features &= ~(srv_feat_table[j].srvf_flag); + break; + } + if (c == tolower(opt)) + { + features |= srv_feat_table[j].srvf_flag; + break; + } + ++j; + } + } + return features; +} + +/* +** HELP -- implement the HELP command. +** +** Parameters: +** topic -- the topic we want help for. +** e -- envelope. +** +** Returns: +** none. +** +** Side Effects: +** outputs the help file to message output. +*/ +#define HELPVSTR "#vers " +#define HELPVERSION 2 + +void +help(topic, e) + char *topic; + ENVELOPE *e; +{ + register SM_FILE_T *hf; + register char *p; + int len; + bool noinfo; + bool first = true; + long sff = SFF_OPENASROOT|SFF_REGONLY; + char buf[MAXLINE]; + char inp[MAXLINE]; + static int foundvers = -1; + extern char Version[]; + + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + if (!bitnset(DBS_HELPFILEINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_SAFEDIRPATH; + + if (HelpFile == NULL || + (hf = safefopen(HelpFile, O_RDONLY, 0444, sff)) == NULL) + { + /* no help */ + errno = 0; + message("502 5.3.0 Sendmail %s -- HELP not implemented", + Version); + return; + } + + if (topic == NULL || *topic == '\0') + { + topic = "smtp"; + noinfo = false; + } + else + { + makelower(topic); + noinfo = true; + } + + len = strlen(topic); + + while (sm_io_fgets(hf, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) + { + if (buf[0] == '#') + { + if (foundvers < 0 && + strncmp(buf, HELPVSTR, strlen(HELPVSTR)) == 0) + { + int h; + + if (sm_io_sscanf(buf + strlen(HELPVSTR), "%d", + &h) == 1) + foundvers = h; + } + continue; + } + if (strncmp(buf, topic, len) == 0) + { + if (first) + { + first = false; + + /* print version if no/old vers# in file */ + if (foundvers < 2 && !noinfo) + message("214-2.0.0 This is Sendmail version %s", Version); + } + p = strpbrk(buf, " \t"); + if (p == NULL) + p = buf + strlen(buf) - 1; + else + p++; + fixcrlf(p, true); + if (foundvers >= 2) + { + translate_dollars(p); + expand(p, inp, sizeof inp, e); + p = inp; + } + message("214-2.0.0 %s", p); + noinfo = false; + } + } + + if (noinfo) + message("504 5.3.0 HELP topic \"%.10s\" unknown", topic); + else + message("214 2.0.0 End of HELP info"); + + if (foundvers != 0 && foundvers < HELPVERSION) + { + if (LogLevel > 1) + sm_syslog(LOG_WARNING, e->e_id, + "%s too old (require version %d)", + HelpFile, HELPVERSION); + + /* avoid log next time */ + foundvers = 0; + } + + (void) sm_io_close(hf, SM_TIME_DEFAULT); +} + +#if SASL +/* +** RESET_SASLCONN -- reset SASL connection data +** +** Parameters: +** conn -- SASL connection context +** hostname -- host name +** various connection data +** +** Returns: +** SASL result +*/ + +static int +reset_saslconn(sasl_conn_t **conn, char *hostname, +# if SASL >= 20000 + char *remoteip, char *localip, + char *auth_id, sasl_ssf_t * ext_ssf) +# else /* SASL >= 20000 */ + struct sockaddr_in *saddr_r, struct sockaddr_in *saddr_l, + sasl_external_properties_t * ext_ssf) +# endif /* SASL >= 20000 */ +{ + int result; + + sasl_dispose(conn); +# if SASL >= 20000 + result = sasl_server_new("smtp", hostname, NULL, NULL, NULL, + NULL, 0, conn); +# elif SASL > 10505 + /* use empty realm: only works in SASL > 1.5.5 */ + result = sasl_server_new("smtp", hostname, "", NULL, 0, conn); +# else /* SASL >= 20000 */ + /* use no realm -> realm is set to hostname by SASL lib */ + result = sasl_server_new("smtp", hostname, NULL, NULL, 0, + conn); +# endif /* SASL >= 20000 */ + if (result != SASL_OK) + return result; + +# if SASL >= 20000 +# if NETINET || NETINET6 + if (remoteip != NULL && *remoteip != '\0') + result = sasl_setprop(*conn, SASL_IPREMOTEPORT, remoteip); + if (result != SASL_OK) + return result; + + if (localip != NULL && *localip != '\0') + result = sasl_setprop(*conn, SASL_IPLOCALPORT, localip); + if (result != SASL_OK) + return result; +# endif /* NETINET || NETINET6 */ + + result = sasl_setprop(*conn, SASL_SSF_EXTERNAL, ext_ssf); + if (result != SASL_OK) + return result; + + result = sasl_setprop(*conn, SASL_AUTH_EXTERNAL, auth_id); + if (result != SASL_OK) + return result; +# else /* SASL >= 20000 */ +# if NETINET + if (saddr_r != NULL) + result = sasl_setprop(*conn, SASL_IP_REMOTE, saddr_r); + if (result != SASL_OK) + return result; + + if (saddr_l != NULL) + result = sasl_setprop(*conn, SASL_IP_LOCAL, saddr_l); + if (result != SASL_OK) + return result; +# endif /* NETINET */ + + result = sasl_setprop(*conn, SASL_SSF_EXTERNAL, ext_ssf); + if (result != SASL_OK) + return result; +# endif /* SASL >= 20000 */ + return SASL_OK; +} +#endif /* SASL */ diff --git a/contrib/sendmail-8.13.4/sendmail/stab.c b/contrib/sendmail-8.13.4/sendmail/stab.c new file mode 100644 index 0000000000..2a7151496e --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/stab.c @@ -0,0 +1,475 @@ +/* + * Copyright (c) 1998-2001, 2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: stab.c,v 8.88 2003/05/21 15:36:30 ca Exp $") + +/* +** STAB -- manage the symbol table +** +** Parameters: +** name -- the name to be looked up or inserted. +** type -- the type of symbol. +** op -- what to do: +** ST_ENTER -- enter the name if not already present. +** ST_FIND -- find it only. +** +** Returns: +** pointer to a STAB entry for this name. +** NULL if not found and not entered. +** +** Side Effects: +** can update the symbol table. +*/ + +#define STABSIZE 2003 +#define SM_LOWER(c) ((isascii(c) && isupper(c)) ? tolower(c) : (c)) + +static STAB *SymTab[STABSIZE]; + +STAB * +stab(name, type, op) + char *name; + int type; + int op; +{ + register STAB *s; + register STAB **ps; + register int hfunc; + register char *p; + int len; + + if (tTd(36, 5)) + sm_dprintf("STAB: %s %d ", name, type); + + /* + ** Compute the hashing function + */ + + hfunc = type; + for (p = name; *p != '\0'; p++) + hfunc = ((hfunc << 1) ^ (SM_LOWER(*p) & 0377)) % STABSIZE; + + if (tTd(36, 9)) + sm_dprintf("(hfunc=%d) ", hfunc); + + ps = &SymTab[hfunc]; + if (type == ST_MACRO || type == ST_RULESET) + { + while ((s = *ps) != NULL && + (s->s_symtype != type || strcmp(name, s->s_name))) + ps = &s->s_next; + } + else + { + while ((s = *ps) != NULL && + (s->s_symtype != type || sm_strcasecmp(name, s->s_name))) + ps = &s->s_next; + } + + /* + ** Dispose of the entry. + */ + + if (s != NULL || op == ST_FIND) + { + if (tTd(36, 5)) + { + if (s == NULL) + sm_dprintf("not found\n"); + else + { + long *lp = (long *) s->s_class; + + sm_dprintf("type %d val %lx %lx %lx %lx\n", + s->s_symtype, lp[0], lp[1], lp[2], lp[3]); + } + } + return s; + } + + /* + ** Make a new entry and link it in. + */ + + if (tTd(36, 5)) + sm_dprintf("entered\n"); + + /* determine size of new entry */ + switch (type) + { + case ST_CLASS: + len = sizeof s->s_class; + break; + + case ST_ADDRESS: + len = sizeof s->s_address; + break; + + case ST_MAILER: + len = sizeof s->s_mailer; + break; + + case ST_ALIAS: + len = sizeof s->s_alias; + break; + + case ST_MAPCLASS: + len = sizeof s->s_mapclass; + break; + + case ST_MAP: + len = sizeof s->s_map; + break; + + case ST_HOSTSIG: + len = sizeof s->s_hostsig; + break; + + case ST_NAMECANON: + len = sizeof s->s_namecanon; + break; + + case ST_MACRO: + len = sizeof s->s_macro; + break; + + case ST_RULESET: + len = sizeof s->s_ruleset; + break; + + case ST_HEADER: + len = sizeof s->s_header; + break; + + case ST_SERVICE: + len = sizeof s->s_service; + break; + +#if LDAPMAP + case ST_LMAP: + len = sizeof s->s_lmap; + break; +#endif /* LDAPMAP */ + +#if MILTER + case ST_MILTER: + len = sizeof s->s_milter; + break; +#endif /* MILTER */ + + case ST_QUEUE: + len = sizeof s->s_quegrp; + break; + +#if SOCKETMAP + case ST_SOCKETMAP: + len = sizeof s->s_socketmap; + break; +#endif /* SOCKETMAP */ + + default: + /* + ** Each mailer has its own MCI stab entry: + ** + ** s = stab(host, ST_MCI + m->m_mno, ST_ENTER); + ** + ** Therefore, anything ST_MCI or larger is an s_mci. + */ + + if (type >= ST_MCI) + len = sizeof s->s_mci; + else + { + syserr("stab: unknown symbol type %d", type); + len = sizeof s->s_value; + } + break; + } + len += sizeof *s - sizeof s->s_value; + + if (tTd(36, 15)) + sm_dprintf("size of stab entry: %d\n", len); + + /* make new entry */ + s = (STAB *) sm_pmalloc_x(len); + memset((char *) s, '\0', len); + s->s_name = sm_pstrdup_x(name); + s->s_symtype = type; + + /* link it in */ + *ps = s; + + /* set a default value for rulesets */ + if (type == ST_RULESET) + s->s_ruleset = -1; + + return s; +} +/* +** STABAPPLY -- apply function to all stab entries +** +** Parameters: +** func -- the function to apply. It will be given two +** parameters (the stab entry and the arg). +** arg -- an arbitrary argument, passed to func. +** +** Returns: +** none. +*/ + +void +stabapply(func, arg) + void (*func)__P((STAB *, int)); + int arg; +{ + register STAB **shead; + register STAB *s; + + for (shead = SymTab; shead < &SymTab[STABSIZE]; shead++) + { + for (s = *shead; s != NULL; s = s->s_next) + { + if (tTd(36, 90)) + sm_dprintf("stabapply: trying %d/%s\n", + s->s_symtype, s->s_name); + func(s, arg); + } + } +} +/* +** QUEUEUP_MACROS -- queueup the macros in a class +** +** Write the macros listed in the specified class into the +** file referenced by qfp. +** +** Parameters: +** class -- class ID. +** qfp -- file pointer to the queue file. +** e -- the envelope. +** +** Returns: +** none. +*/ + +void +queueup_macros(class, qfp, e) + int class; + SM_FILE_T *qfp; + ENVELOPE *e; +{ + register STAB **shead; + register STAB *s; + + if (e == NULL) + return; + + class = bitidx(class); + for (shead = SymTab; shead < &SymTab[STABSIZE]; shead++) + { + for (s = *shead; s != NULL; s = s->s_next) + { + int m; + char *p; + + if (s->s_symtype == ST_CLASS && + bitnset(bitidx(class), s->s_class) && + (m = macid(s->s_name)) != 0 && + (p = macvalue(m, e)) != NULL) + { + (void) sm_io_fprintf(qfp, SM_TIME_DEFAULT, + "$%s%s\n", + s->s_name, + denlstring(p, true, + false)); + } + } + } +} +/* +** COPY_CLASS -- copy class members from one class to another +** +** Parameters: +** src -- source class. +** dst -- destination class. +** +** Returns: +** none. +*/ + +void +copy_class(src, dst) + int src; + int dst; +{ + register STAB **shead; + register STAB *s; + + src = bitidx(src); + dst = bitidx(dst); + for (shead = SymTab; shead < &SymTab[STABSIZE]; shead++) + { + for (s = *shead; s != NULL; s = s->s_next) + { + if (s->s_symtype == ST_CLASS && + bitnset(src, s->s_class)) + setbitn(dst, s->s_class); + } + } +} + +/* +** RMEXPSTAB -- remove expired entries from SymTab. +** +** These entries need to be removed in long-running processes, +** e.g., persistent queue runners, to avoid consuming memory. +** +** XXX It might be useful to restrict the maximum TTL to avoid +** caching data very long. +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** can remove entries from the symbol table. +*/ + +#define SM_STAB_FREE(x) \ + do \ + { \ + char *o = (x); \ + (x) = NULL; \ + if (o != NULL) \ + sm_free(o); \ + } while (0) + +void +rmexpstab() +{ + int i; + STAB *s, *p, *f; + time_t now; + + now = curtime(); + for (i = 0; i < STABSIZE; i++) + { + p = NULL; + s = SymTab[i]; + while (s != NULL) + { + switch (s->s_symtype) + { + case ST_HOSTSIG: + if (s->s_hostsig.hs_exp >= now) + goto next; /* not expired */ + SM_STAB_FREE(s->s_hostsig.hs_sig); /* XXX */ + break; + + case ST_NAMECANON: + if (s->s_namecanon.nc_exp >= now) + goto next; /* not expired */ + SM_STAB_FREE(s->s_namecanon.nc_cname); /* XXX */ + break; + + default: + if (s->s_symtype >= ST_MCI) + { + /* call mci_uncache? */ + SM_STAB_FREE(s->s_mci.mci_status); + SM_STAB_FREE(s->s_mci.mci_rstatus); + SM_STAB_FREE(s->s_mci.mci_heloname); +#if 0 + /* not dynamically allocated */ + SM_STAB_FREE(s->s_mci.mci_host); + SM_STAB_FREE(s->s_mci.mci_tolist); +#endif /* 0 */ +#if SASL + /* should always by NULL */ + SM_STAB_FREE(s->s_mci.mci_sasl_string); +#endif /* SASL */ + if (s->s_mci.mci_rpool != NULL) + { + sm_rpool_free(s->s_mci.mci_rpool); + s->s_mci.mci_macro.mac_rpool = NULL; + s->s_mci.mci_rpool = NULL; + } + break; + } + next: + p = s; + s = s->s_next; + continue; + } + + /* remove entry */ + SM_STAB_FREE(s->s_name); /* XXX */ + f = s; + s = s->s_next; + sm_free(f); /* XXX */ + if (p == NULL) + SymTab[i] = s; + else + p->s_next = s; + } + } +} + +#if SM_HEAP_CHECK +/* +** DUMPSTAB -- dump symbol table. +** +** For debugging. +*/ + +#define MAXSTTYPES (ST_MCI + 1) + +void +dumpstab() +{ + int i, t, total, types[MAXSTTYPES]; + STAB *s; + static int prevt[MAXSTTYPES], prev = 0; + + total = 0; + for (i = 0; i < MAXSTTYPES; i++) + types[i] = 0; + for (i = 0; i < STABSIZE; i++) + { + s = SymTab[i]; + while (s != NULL) + { + ++total; + t = s->s_symtype; + if (t > MAXSTTYPES - 1) + t = MAXSTTYPES - 1; + types[t]++; + s = s->s_next; + } + } + sm_syslog(LOG_INFO, NOQID, "stab: total=%d (%d)", total, total - prev); + prev = total; + for (i = 0; i < MAXSTTYPES; i++) + { + if (types[i] != 0) + { + sm_syslog(LOG_INFO, NOQID, "stab: type[%2d]=%2d (%d)", + i, types[i], types[i] - prevt[i]); + } + prevt[i] = types[i]; + } +} +#endif /* SM_HEAP_CHECK */ diff --git a/contrib/sendmail-8.13.4/sendmail/stats.c b/contrib/sendmail-8.13.4/sendmail/stats.c new file mode 100644 index 0000000000..5725219298 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/stats.c @@ -0,0 +1,198 @@ +/* + * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: stats.c,v 8.56 2002/06/27 22:47:37 gshapiro Exp $") + +#include + +static struct statistics Stat; + +static bool GotStats = false; /* set when we have stats to merge */ + +/* See http://physics.nist.gov/cuu/Units/binary.html */ +#define ONE_K 1000 /* one thousand (twenty-four?) */ +#define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K) +/* +** MARKSTATS -- mark statistics +** +** Parameters: +** e -- the envelope. +** to -- to address. +** type -- type of stats this represents. +** +** Returns: +** none. +** +** Side Effects: +** changes static Stat structure +*/ + +void +markstats(e, to, type) + register ENVELOPE *e; + register ADDRESS *to; + int type; +{ + switch (type) + { + case STATS_QUARANTINE: + if (e->e_from.q_mailer != NULL) + Stat.stat_nq[e->e_from.q_mailer->m_mno]++; + break; + + case STATS_REJECT: + if (e->e_from.q_mailer != NULL) + { + if (bitset(EF_DISCARD, e->e_flags)) + Stat.stat_nd[e->e_from.q_mailer->m_mno]++; + else + Stat.stat_nr[e->e_from.q_mailer->m_mno]++; + } + Stat.stat_cr++; + break; + + case STATS_CONNECT: + if (to == NULL) + Stat.stat_cf++; + else + Stat.stat_ct++; + break; + + case STATS_NORMAL: + if (to == NULL) + { + if (e->e_from.q_mailer != NULL) + { + Stat.stat_nf[e->e_from.q_mailer->m_mno]++; + Stat.stat_bf[e->e_from.q_mailer->m_mno] += + KBYTES(e->e_msgsize); + } + } + else + { + Stat.stat_nt[to->q_mailer->m_mno]++; + Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize); + } + break; + + default: + /* Silently ignore bogus call */ + return; + } + + + GotStats = true; +} +/* +** CLEARSTATS -- clear statistics structure +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** clears the Stat structure. +*/ + +void +clearstats() +{ + /* clear the structure to avoid future disappointment */ + memset(&Stat, '\0', sizeof Stat); + GotStats = false; +} +/* +** POSTSTATS -- post statistics in the statistics file +** +** Parameters: +** sfile -- the name of the statistics file. +** +** Returns: +** none. +** +** Side Effects: +** merges the Stat structure with the sfile file. +*/ + +void +poststats(sfile) + char *sfile; +{ + int fd; + static bool entered = false; + long sff = SFF_REGONLY|SFF_OPENASROOT; + struct statistics stats; + extern off_t lseek(); + + if (sfile == NULL || *sfile == '\0' || !GotStats || entered) + return; + entered = true; + + (void) time(&Stat.stat_itime); + Stat.stat_size = sizeof Stat; + Stat.stat_magic = STAT_MAGIC; + Stat.stat_version = STAT_VERSION; + + if (!bitnset(DBS_WRITESTATSTOSYMLINK, DontBlameSendmail)) + sff |= SFF_NOSLINK; + if (!bitnset(DBS_WRITESTATSTOHARDLINK, DontBlameSendmail)) + sff |= SFF_NOHLINK; + + fd = safeopen(sfile, O_RDWR, 0600, sff); + if (fd < 0) + { + if (LogLevel > 12) + sm_syslog(LOG_INFO, NOQID, "poststats: %s: %s", + sfile, sm_errstring(errno)); + errno = 0; + entered = false; + return; + } + if (read(fd, (char *) &stats, sizeof stats) == sizeof stats && + stats.stat_size == sizeof stats && + stats.stat_magic == Stat.stat_magic && + stats.stat_version == Stat.stat_version) + { + /* merge current statistics into statfile */ + register int i; + + for (i = 0; i < MAXMAILERS; i++) + { + stats.stat_nf[i] += Stat.stat_nf[i]; + stats.stat_bf[i] += Stat.stat_bf[i]; + stats.stat_nt[i] += Stat.stat_nt[i]; + stats.stat_bt[i] += Stat.stat_bt[i]; + stats.stat_nr[i] += Stat.stat_nr[i]; + stats.stat_nd[i] += Stat.stat_nd[i]; + stats.stat_nq[i] += Stat.stat_nq[i]; + } + stats.stat_cr += Stat.stat_cr; + stats.stat_ct += Stat.stat_ct; + stats.stat_cf += Stat.stat_cf; + } + else + memmove((char *) &stats, (char *) &Stat, sizeof stats); + + /* write out results */ + (void) lseek(fd, (off_t) 0, 0); + (void) write(fd, (char *) &stats, sizeof stats); + (void) close(fd); + + /* clear the structure to avoid future disappointment */ + clearstats(); + entered = false; +} diff --git a/contrib/sendmail-8.13.4/sendmail/statusd_shm.h b/contrib/sendmail-8.13.4/sendmail/statusd_shm.h new file mode 100644 index 0000000000..7d889641f4 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/statusd_shm.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 1999-2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: statusd_shm.h,v 8.7 2000/09/17 17:30:06 gshapiro Exp $ + * + * Contributed by Exactis.com, Inc. + * + */ + +/* +** The shared memory part of statusd. +** +** Attach to STATUSD_SHM_KEY and update the counter appropriate +** for your type of service. +** +*/ + +#define STATUSD_MAGIC 110946 +#define STATUSD_SHM_KEY (key_t)(13) +#define STATUSD_LONGS (2) + +typedef struct +{ + unsigned long magic; + unsigned long ul[STATUSD_LONGS]; +} STATUSD_SHM; + +/* +** Offsets into ul[]. The appropriate program +** increments these as appropriate. +*/ + +#define STATUSD_COOKIE (0) /* reregister cookie */ + +/* sendmail */ +#define STATUSD_SM_NSENDMAIL (1) /* how many running */ + +extern void shmtick __P((int, int)); + diff --git a/contrib/sendmail-8.13.4/sendmail/sysexits.c b/contrib/sendmail-8.13.4/sendmail/sysexits.c new file mode 100644 index 0000000000..990ffe341a --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/sysexits.c @@ -0,0 +1,167 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: sysexits.c,v 8.34 2002/09/09 02:43:00 gshapiro Exp $") + +/* +** DSNTOEXITSTAT -- convert DSN-style error code to EX_ style. +** +** Parameters: +** dsncode -- the text of the DSN-style code. +** +** Returns: +** The corresponding exit status. +*/ + +int +dsntoexitstat(dsncode) + char *dsncode; +{ + int code2, code3; + + /* first the easy cases.... */ + if (*dsncode == '2') + return EX_OK; + if (*dsncode == '4') + return EX_TEMPFAIL; + + /* reject other illegal values */ + if (*dsncode != '5') + return EX_CONFIG; + + /* now decode the other two field parts */ + if (*++dsncode == '.') + dsncode++; + code2 = atoi(dsncode); + while (*dsncode != '\0' && *dsncode != '.') + dsncode++; + if (*dsncode != '\0') + dsncode++; + code3 = atoi(dsncode); + + /* and do a nested switch to work them out */ + switch (code2) + { + case 0: /* Other or Undefined status */ + return EX_UNAVAILABLE; + + case 1: /* Address Status */ + switch (code3) + { + case 0: /* Other Address Status */ + return EX_DATAERR; + + case 1: /* Bad destination mailbox address */ + case 6: /* Mailbox has moved, No forwarding address */ + return EX_NOUSER; + + case 2: /* Bad destination system address */ + case 8: /* Bad senders system address */ + return EX_NOHOST; + + case 3: /* Bad destination mailbox address syntax */ + case 7: /* Bad senders mailbox address syntax */ + return EX_USAGE; + + case 4: /* Destination mailbox address ambiguous */ + return EX_UNAVAILABLE; + + case 5: /* Destination address valid */ + /* According to RFC1893, this can't happen */ + return EX_CONFIG; + } + break; + + case 2: /* Mailbox Status */ + switch (code3) + { + case 0: /* Other or Undefined mailbox status */ + case 1: /* Mailbox disabled, not accepting messages */ + case 2: /* Mailbox full */ + case 4: /* Mailing list expansion problem */ + return EX_UNAVAILABLE; + + case 3: /* Message length exceeds administrative lim */ + return EX_DATAERR; + } + break; + + case 3: /* System Status */ + return EX_OSERR; + + case 4: /* Network and Routing Status */ + switch (code3) + { + case 0: /* Other or undefined network or routing stat */ + return EX_IOERR; + + case 1: /* No answer from host */ + case 3: /* Routing server failure */ + case 5: /* Network congestion */ + return EX_TEMPFAIL; + + case 2: /* Bad connection */ + return EX_IOERR; + + case 4: /* Unable to route */ + return EX_PROTOCOL; + + case 6: /* Routing loop detected */ + return EX_CONFIG; + + case 7: /* Delivery time expired */ + return EX_UNAVAILABLE; + } + break; + + case 5: /* Protocol Status */ + return EX_PROTOCOL; + + case 6: /* Message Content or Media Status */ + return EX_UNAVAILABLE; + + case 7: /* Security Status */ + return EX_DATAERR; + } + return EX_UNAVAILABLE; +} +/* +** EXITSTAT -- convert EX_ value to error text. +** +** Parameters: +** excode -- rstatus which might consists of an EX_* value. +** +** Returns: +** The corresponding error text or the original string. +*/ + +char * +exitstat(excode) + char *excode; +{ + char *c; + int i; + char *exitmsg; + + if (excode == NULL || *excode == '\0') + return excode; + i = (int) strtol(excode, &c, 10); + if (*c != '\0') + return excode; + exitmsg = sm_sysexitmsg(i); + if (exitmsg != NULL) + return exitmsg; + return excode; +} diff --git a/contrib/sendmail-8.13.4/sendmail/timers.c b/contrib/sendmail-8.13.4/sendmail/timers.c new file mode 100644 index 0000000000..43dd73a0f3 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/timers.c @@ -0,0 +1,231 @@ +/* + * Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * Contributed by Exactis.com, Inc. + * + */ + +#include +SM_RCSID("@(#)$Id: timers.c,v 8.24 2001/09/11 04:05:17 gshapiro Exp $") + +#if _FFR_TIMERS +# include +# include +# include "sendmail.h" +# include /* Must be after sendmail.h for NCR MP-RAS */ + +static TIMER BaseTimer; /* current baseline */ +static int NTimers; /* current pointer into stack */ +static TIMER *TimerStack[MAXTIMERSTACK]; + +static void +# ifdef __STDC__ +warntimer(const char *msg, ...) +# else /* __STDC__ */ +warntimer(msg, va_alist) + const char *msg; + va_dcl +# endif /* __STDC__ */ +{ + char buf[MAXLINE]; + SM_VA_LOCAL_DECL + +# if 0 + if (!tTd(98, 30)) + return; +# endif /* 0 */ + SM_VA_START(ap, msg); + (void) sm_vsnprintf(buf, sizeof buf, msg, ap); + SM_VA_END(ap); + sm_syslog(LOG_NOTICE, CurEnv->e_id, "%s; e_timers=0x%lx", + buf, (unsigned long) &CurEnv->e_timers); +} + +static void +zerotimer(ptimer) + TIMER *ptimer; +{ + memset(ptimer, '\0', sizeof *ptimer); +} + +static void +addtimer(ta, tb) + TIMER *ta; + TIMER *tb; +{ + tb->ti_wall_sec += ta->ti_wall_sec; + tb->ti_wall_usec += ta->ti_wall_usec; + if (tb->ti_wall_usec > 1000000) + { + tb->ti_wall_sec++; + tb->ti_wall_usec -= 1000000; + } + tb->ti_cpu_sec += ta->ti_cpu_sec; + tb->ti_cpu_usec += ta->ti_cpu_usec; + if (tb->ti_cpu_usec > 1000000) + { + tb->ti_cpu_sec++; + tb->ti_cpu_usec -= 1000000; + } +} + +static void +subtimer(ta, tb) + TIMER *ta; + TIMER *tb; +{ + tb->ti_wall_sec -= ta->ti_wall_sec; + tb->ti_wall_usec -= ta->ti_wall_usec; + if (tb->ti_wall_usec < 0) + { + tb->ti_wall_sec--; + tb->ti_wall_usec += 1000000; + } + tb->ti_cpu_sec -= ta->ti_cpu_sec; + tb->ti_cpu_usec -= ta->ti_cpu_usec; + if (tb->ti_cpu_usec < 0) + { + tb->ti_cpu_sec--; + tb->ti_cpu_usec += 1000000; + } +} + +static int +getcurtimer(ptimer) + TIMER *ptimer; +{ + struct rusage ru; + struct timeval now; + + if (getrusage(RUSAGE_SELF, &ru) < 0 || gettimeofday(&now, NULL) < 0) + return -1; + ptimer->ti_wall_sec = now.tv_sec; + ptimer->ti_wall_usec = now.tv_usec; + ptimer->ti_cpu_sec = ru.ru_utime.tv_sec + ru.ru_stime.tv_sec; + ptimer->ti_cpu_usec = ru.ru_utime.tv_usec + ru.ru_stime.tv_usec; + if (ptimer->ti_cpu_usec > 1000000) + { + ptimer->ti_cpu_sec++; + ptimer->ti_cpu_usec -= 1000000; + } + return 0; +} + +static void +getinctimer(ptimer) + TIMER *ptimer; +{ + TIMER cur; + + if (getcurtimer(&cur) < 0) + { + zerotimer(ptimer); + return; + } + if (BaseTimer.ti_wall_sec == 0) + { + /* first call */ + memset(ptimer, '\0', sizeof *ptimer); + } + else + { + *ptimer = cur; + subtimer(&BaseTimer, ptimer); + } + BaseTimer = cur; +} + +void +flushtimers() +{ + NTimers = 0; + (void) getcurtimer(&BaseTimer); +} + +void +pushtimer(ptimer) + TIMER *ptimer; +{ + int i; + int save_errno = errno; + TIMER incr; + + /* find how much time has changed since last call */ + getinctimer(&incr); + + /* add that into the old timers */ + i = NTimers; + if (i > MAXTIMERSTACK) + i = MAXTIMERSTACK; + while (--i >= 0) + { + addtimer(&incr, TimerStack[i]); + if (TimerStack[i] == ptimer) + { + warntimer("Timer@0x%lx already on stack, index=%d, NTimers=%d", + (unsigned long) ptimer, i, NTimers); + errno = save_errno; + return; + } + } + errno = save_errno; + + /* handle stack overflow */ + if (NTimers >= MAXTIMERSTACK) + return; + + /* now add the timer to the stack */ + TimerStack[NTimers++] = ptimer; +} + +void +poptimer(ptimer) + TIMER *ptimer; +{ + int i; + int save_errno = errno; + TIMER incr; + + /* find how much time has changed since last call */ + getinctimer(&incr); + + /* add that into the old timers */ + i = NTimers; + if (i > MAXTIMERSTACK) + i = MAXTIMERSTACK; + while (--i >= 0) + addtimer(&incr, TimerStack[i]); + + /* pop back to this timer */ + for (i = 0; i < NTimers; i++) + { + if (TimerStack[i] == ptimer) + break; + } + + if (i != NTimers - 1) + warntimer("poptimer: odd pop (timer=0x%lx, index=%d, NTimers=%d)", + (unsigned long) ptimer, i, NTimers); + NTimers = i; + + /* clean up and return */ + errno = save_errno; +} + +char * +strtimer(ptimer) + TIMER *ptimer; +{ + static char buf[40]; + + (void) sm_snprintf(buf, sizeof buf, "%ld.%06ldr/%ld.%06ldc", + ptimer->ti_wall_sec, ptimer->ti_wall_usec, + ptimer->ti_cpu_sec, ptimer->ti_cpu_usec); + return buf; +} +#endif /* _FFR_TIMERS */ diff --git a/contrib/sendmail-8.13.4/sendmail/timers.h b/contrib/sendmail-8.13.4/sendmail/timers.h new file mode 100644 index 0000000000..d7faee19a7 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/timers.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 1999-2000 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: timers.h,v 8.6 2001/04/03 01:53:18 gshapiro Exp $ + * + * Contributed by Exactis.com, Inc. + * + */ + +#ifndef TIMERS_H +#define TIMERS_H 1 + +#define MAXTIMERSTACK 20 /* maximum timer depth */ + +#define TIMER struct _timer + +TIMER +{ + long ti_wall_sec; /* wall clock seconds */ + long ti_wall_usec; /* ... microseconds */ + long ti_cpu_sec; /* cpu time seconds */ + long ti_cpu_usec; /* ... microseconds */ +}; + +extern void pushtimer __P((TIMER *)); +extern void poptimer __P((TIMER *)); +extern char *strtimer __P((TIMER *)); +#endif /* ! TIMERS_H */ diff --git a/contrib/sendmail-8.13.4/sendmail/tls.c b/contrib/sendmail-8.13.4/sendmail/tls.c new file mode 100644 index 0000000000..3b915cb055 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/tls.c @@ -0,0 +1,1611 @@ +/* + * Copyright (c) 2000-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: tls.c,v 8.97 2005/03/08 22:20:52 ca Exp $") + +#if STARTTLS +# include +# include +# include +# ifndef HASURANDOMDEV +# include +# endif /* ! HASURANDOMDEV */ +# if !TLS_NO_RSA +static RSA *rsa_tmp = NULL; /* temporary RSA key */ +static RSA *tmp_rsa_key __P((SSL *, int, int)); +# endif /* !TLS_NO_RSA */ +# if !defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x00907000L +static int tls_verify_cb __P((X509_STORE_CTX *)); +# else /* !defined() || OPENSSL_VERSION_NUMBER < 0x00907000L */ +static int tls_verify_cb __P((X509_STORE_CTX *, void *)); +# endif /* !defined() || OPENSSL_VERSION_NUMBER < 0x00907000L */ + +# if OPENSSL_VERSION_NUMBER > 0x00907000L +static int x509_verify_cb __P((int, X509_STORE_CTX *)); +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + +# if !defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x00907000L +# define CONST097 +# else /* !defined() || OPENSSL_VERSION_NUMBER < 0x00907000L */ +# define CONST097 const +# endif /* !defined() || OPENSSL_VERSION_NUMBER < 0x00907000L */ +static void apps_ssl_info_cb __P((CONST097 SSL *, int , int)); +static bool tls_ok_f __P((char *, char *, int)); +static bool tls_safe_f __P((char *, long, bool)); +static int tls_verify_log __P((int, X509_STORE_CTX *, char *)); + +# if !NO_DH +static DH *get_dh512 __P((void)); + +static unsigned char dh512_p[] = +{ + 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75, + 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F, + 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3, + 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12, + 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C, + 0x47,0x74,0xE8,0x33 +}; +static unsigned char dh512_g[] = +{ + 0x02 +}; + +static DH * +get_dh512() +{ + DH *dh = NULL; + + if ((dh = DH_new()) == NULL) + return NULL; + dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL); + dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL); + if ((dh->p == NULL) || (dh->g == NULL)) + return NULL; + return dh; +} +# endif /* !NO_DH */ + + +/* +** TLS_RAND_INIT -- initialize STARTTLS random generator +** +** Parameters: +** randfile -- name of file with random data +** logl -- loglevel +** +** Returns: +** success/failure +** +** Side Effects: +** initializes PRNG for tls library. +*/ + +# define MIN_RAND_BYTES 128 /* 1024 bits */ + +# define RF_OK 0 /* randfile OK */ +# define RF_MISS 1 /* randfile == NULL || *randfile == '\0' */ +# define RF_UNKNOWN 2 /* unknown prefix for randfile */ + +# define RI_NONE 0 /* no init yet */ +# define RI_SUCCESS 1 /* init was successful */ +# define RI_FAIL 2 /* init failed */ + +static bool tls_rand_init __P((char *, int)); + +static bool +tls_rand_init(randfile, logl) + char *randfile; + int logl; +{ +# ifndef HASURANDOMDEV + /* not required if /dev/urandom exists, OpenSSL does it internally */ + + bool ok; + int randdef; + static int done = RI_NONE; + + /* + ** initialize PRNG + */ + + /* did we try this before? if yes: return old value */ + if (done != RI_NONE) + return done == RI_SUCCESS; + + /* set default values */ + ok = false; + done = RI_FAIL; + randdef = (randfile == NULL || *randfile == '\0') ? RF_MISS : RF_OK; +# if EGD + if (randdef == RF_OK && sm_strncasecmp(randfile, "egd:", 4) == 0) + { + randfile += 4; + if (RAND_egd(randfile) < 0) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: RAND_egd(%s) failed: random number generator not seeded", + randfile); + } + else + ok = true; + } + else +# endif /* EGD */ + if (randdef == RF_OK && sm_strncasecmp(randfile, "file:", 5) == 0) + { + int fd; + long sff; + struct stat st; + + randfile += 5; + sff = SFF_SAFEDIRPATH | SFF_NOWLINK + | SFF_NOGWFILES | SFF_NOWWFILES + | SFF_NOGRFILES | SFF_NOWRFILES + | SFF_MUSTOWN | SFF_ROOTOK | SFF_OPENASROOT; + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + if ((fd = safeopen(randfile, O_RDONLY, 0, sff)) >= 0) + { + if (fstat(fd, &st) < 0) + { + if (LogLevel > logl) + sm_syslog(LOG_ERR, NOQID, + "STARTTLS: can't fstat(%s)", + randfile); + } + else + { + bool use, problem; + + use = true; + problem = false; + + /* max. age of file: 10 minutes */ + if (st.st_mtime + 600 < curtime()) + { + use = bitnset(DBS_INSUFFICIENTENTROPY, + DontBlameSendmail); + problem = true; + if (LogLevel > logl) + sm_syslog(LOG_ERR, NOQID, + "STARTTLS: RandFile %s too old: %s", + randfile, + use ? "unsafe" : + "unusable"); + } + if (use && st.st_size < MIN_RAND_BYTES) + { + use = bitnset(DBS_INSUFFICIENTENTROPY, + DontBlameSendmail); + problem = true; + if (LogLevel > logl) + sm_syslog(LOG_ERR, NOQID, + "STARTTLS: size(%s) < %d: %s", + randfile, + MIN_RAND_BYTES, + use ? "unsafe" : + "unusable"); + } + if (use) + ok = RAND_load_file(randfile, -1) >= + MIN_RAND_BYTES; + if (use && !ok) + { + if (LogLevel > logl) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: RAND_load_file(%s) failed: random number generator not seeded", + randfile); + } + if (problem) + ok = false; + } + if (ok || bitnset(DBS_INSUFFICIENTENTROPY, + DontBlameSendmail)) + { + /* add this even if fstat() failed */ + RAND_seed((void *) &st, sizeof st); + } + (void) close(fd); + } + else + { + if (LogLevel > logl) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: Warning: safeopen(%s) failed", + randfile); + } + } + else if (randdef == RF_OK) + { + if (LogLevel > logl) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: Error: no proper random file definition %s", + randfile); + randdef = RF_UNKNOWN; + } + if (randdef == RF_MISS) + { + if (LogLevel > logl) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: Error: missing random file definition"); + } + if (!ok && bitnset(DBS_INSUFFICIENTENTROPY, DontBlameSendmail)) + { + int i; + long r; + unsigned char buf[MIN_RAND_BYTES]; + + /* assert((MIN_RAND_BYTES % sizeof(long)) == 0); */ + for (i = 0; i <= sizeof(buf) - sizeof(long); i += sizeof(long)) + { + r = get_random(); + (void) memcpy(buf + i, (void *) &r, sizeof(long)); + } + RAND_seed(buf, sizeof buf); + if (LogLevel > logl) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: Warning: random number generator not properly seeded"); + ok = true; + } + done = ok ? RI_SUCCESS : RI_FAIL; + return ok; +# else /* ! HASURANDOMDEV */ + return true; +# endif /* ! HASURANDOMDEV */ +} +/* +** INIT_TLS_LIBRARY -- Calls functions which setup TLS library for global use. +** +** Parameters: +** none. +** +** Returns: +** succeeded? +*/ + +bool +init_tls_library() +{ + /* basic TLS initialization, ignore result for now */ + SSL_library_init(); + SSL_load_error_strings(); +# if 0 + /* this is currently a macro for SSL_library_init */ + SSLeay_add_ssl_algorithms(); +# endif /* 0 */ + + return tls_rand_init(RandFile, 7); +} +/* +** TLS_SET_VERIFY -- request client certificate? +** +** Parameters: +** ctx -- TLS context +** ssl -- TLS structure +** vrfy -- require certificate? +** +** Returns: +** none. +** +** Side Effects: +** Sets verification state for TLS +** +# if TLS_VRFY_PER_CTX +** Notice: +** This is per TLS context, not per TLS structure; +** the former is global, the latter per connection. +** It would be nice to do this per connection, but this +** doesn't work in the current TLS libraries :-( +# endif * TLS_VRFY_PER_CTX * +*/ + +void +tls_set_verify(ctx, ssl, vrfy) + SSL_CTX *ctx; + SSL *ssl; + bool vrfy; +{ +# if !TLS_VRFY_PER_CTX + SSL_set_verify(ssl, vrfy ? SSL_VERIFY_PEER : SSL_VERIFY_NONE, NULL); +# else /* !TLS_VRFY_PER_CTX */ + SSL_CTX_set_verify(ctx, vrfy ? SSL_VERIFY_PEER : SSL_VERIFY_NONE, + NULL); +# endif /* !TLS_VRFY_PER_CTX */ +} + +/* +** status in initialization +** these flags keep track of the status of the initialization +** i.e., whether a file exists (_EX) and whether it can be used (_OK) +** [due to permissions] +*/ + +# define TLS_S_NONE 0x00000000 /* none yet */ +# define TLS_S_CERT_EX 0x00000001 /* cert file exists */ +# define TLS_S_CERT_OK 0x00000002 /* cert file is ok */ +# define TLS_S_KEY_EX 0x00000004 /* key file exists */ +# define TLS_S_KEY_OK 0x00000008 /* key file is ok */ +# define TLS_S_CERTP_EX 0x00000010 /* CA cert path exists */ +# define TLS_S_CERTP_OK 0x00000020 /* CA cert path is ok */ +# define TLS_S_CERTF_EX 0x00000040 /* CA cert file exists */ +# define TLS_S_CERTF_OK 0x00000080 /* CA cert file is ok */ +# define TLS_S_CRLF_EX 0x00000100 /* CRL file exists */ +# define TLS_S_CRLF_OK 0x00000200 /* CRL file is ok */ + +# if _FFR_TLS_1 +# define TLS_S_CERT2_EX 0x00001000 /* 2nd cert file exists */ +# define TLS_S_CERT2_OK 0x00002000 /* 2nd cert file is ok */ +# define TLS_S_KEY2_EX 0x00004000 /* 2nd key file exists */ +# define TLS_S_KEY2_OK 0x00008000 /* 2nd key file is ok */ +# endif /* _FFR_TLS_1 */ + +# define TLS_S_DH_OK 0x00200000 /* DH cert is ok */ +# define TLS_S_DHPAR_EX 0x00400000 /* DH param file exists */ +# define TLS_S_DHPAR_OK 0x00800000 /* DH param file is ok to use */ + +/* Type of variable */ +# define TLS_T_OTHER 0 +# define TLS_T_SRV 1 +# define TLS_T_CLT 2 + +/* +** TLS_OK_F -- can var be an absolute filename? +** +** Parameters: +** var -- filename +** fn -- what is the filename used for? +** type -- type of variable +** +** Returns: +** ok? +*/ + +static bool +tls_ok_f(var, fn, type) + char *var; + char *fn; + int type; +{ + /* must be absolute pathname */ + if (var != NULL && *var == '/') + return true; + if (LogLevel > 12) + sm_syslog(LOG_WARNING, NOQID, "STARTTLS: %s%s missing", + type == TLS_T_SRV ? "Server" : + (type == TLS_T_CLT ? "Client" : ""), fn); + return false; +} +/* +** TLS_SAFE_F -- is a file safe to use? +** +** Parameters: +** var -- filename +** sff -- flags for safefile() +** srv -- server side? +** +** Returns: +** ok? +*/ + +static bool +tls_safe_f(var, sff, srv) + char *var; + long sff; + bool srv; +{ + int ret; + + if ((ret = safefile(var, RunAsUid, RunAsGid, RunAsUserName, sff, + S_IRUSR, NULL)) == 0) + return true; + if (LogLevel > 7) + sm_syslog(LOG_WARNING, NOQID, "STARTTLS=%s: file %s unsafe: %s", + srv ? "server" : "client", var, sm_errstring(ret)); + return false; +} + +/* +** TLS_OK_F -- macro to simplify calls to tls_ok_f +** +** Parameters: +** var -- filename +** fn -- what is the filename used for? +** req -- is the file required? +** st -- status bit to set if ok +** type -- type of variable +** +** Side Effects: +** uses r, ok; may change ok and status. +** +*/ + +# define TLS_OK_F(var, fn, req, st, type) if (ok) \ + { \ + r = tls_ok_f(var, fn, type); \ + if (r) \ + status |= st; \ + else if (req) \ + ok = false; \ + } + +/* +** TLS_UNR -- macro to return whether a file should be unreadable +** +** Parameters: +** bit -- flag to test +** req -- flags +** +** Returns: +** 0/SFF_NORFILES +*/ +# define TLS_UNR(bit, req) (bitset(bit, req) ? SFF_NORFILES : 0) +# define TLS_OUNR(bit, req) (bitset(bit, req) ? SFF_NOWRFILES : 0) +# define TLS_KEYSFF(req) \ + (bitnset(DBS_GROUPREADABLEKEYFILE, DontBlameSendmail) ? \ + TLS_OUNR(TLS_I_KEY_OUNR, req) : \ + TLS_UNR(TLS_I_KEY_UNR, req)) + +/* +** TLS_SAFE_F -- macro to simplify calls to tls_safe_f +** +** Parameters: +** var -- filename +** sff -- flags for safefile() +** req -- is the file required? +** ex -- does the file exist? +** st -- status bit to set if ok +** srv -- server side? +** +** Side Effects: +** uses r, ok, ex; may change ok and status. +** +*/ + +# define TLS_SAFE_F(var, sff, req, ex, st, srv) if (ex && ok) \ + { \ + r = tls_safe_f(var, sff, srv); \ + if (r) \ + status |= st; \ + else if (req) \ + ok = false; \ + } + +/* +** INITTLS -- initialize TLS +** +** Parameters: +** ctx -- pointer to context +** req -- requirements for initialization (see sendmail.h) +** srv -- server side? +** certfile -- filename of certificate +** keyfile -- filename of private key +** cacertpath -- path to CAs +** cacertfile -- file with CA(s) +** dhparam -- parameters for DH +** +** Returns: +** succeeded? +*/ + +bool +inittls(ctx, req, srv, certfile, keyfile, cacertpath, cacertfile, dhparam) + SSL_CTX **ctx; + unsigned long req; + bool srv; + char *certfile, *keyfile, *cacertpath, *cacertfile, *dhparam; +{ +# if !NO_DH + static DH *dh = NULL; +# endif /* !NO_DH */ + int r; + bool ok; + long sff, status; + char *who; +# if _FFR_TLS_1 + char *cf2, *kf2; +# endif /* _FFR_TLS_1 */ +# if SM_CONF_SHM + extern int ShmId; +# endif /* SM_CONF_SHM */ +# if OPENSSL_VERSION_NUMBER > 0x00907000L + BIO *crl_file; + X509_CRL *crl; + X509_STORE *store; +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + + status = TLS_S_NONE; + who = srv ? "server" : "client"; + if (ctx == NULL) + syserr("STARTTLS=%s, inittls: ctx == NULL", who); + + /* already initialized? (we could re-init...) */ + if (*ctx != NULL) + return true; + ok = true; + +# if _FFR_TLS_1 + /* + ** look for a second filename: it must be separated by a ',' + ** no blanks allowed (they won't be skipped). + ** we change a global variable here! this change will be undone + ** before return from the function but only if it returns true. + ** this isn't a problem since in a failure case this function + ** won't be called again with the same (overwritten) values. + ** otherwise each return must be replaced with a goto endinittls. + */ + + cf2 = NULL; + kf2 = NULL; + if (certfile != NULL && (cf2 = strchr(certfile, ',')) != NULL) + { + *cf2++ = '\0'; + if (keyfile != NULL && (kf2 = strchr(keyfile, ',')) != NULL) + *kf2++ = '\0'; + } +# endif /* _FFR_TLS_1 */ + + /* + ** Check whether files/paths are defined + */ + + TLS_OK_F(certfile, "CertFile", bitset(TLS_I_CERT_EX, req), + TLS_S_CERT_EX, srv ? TLS_T_SRV : TLS_T_CLT); + TLS_OK_F(keyfile, "KeyFile", bitset(TLS_I_KEY_EX, req), + TLS_S_KEY_EX, srv ? TLS_T_SRV : TLS_T_CLT); + TLS_OK_F(cacertpath, "CACertPath", bitset(TLS_I_CERTP_EX, req), + TLS_S_CERTP_EX, TLS_T_OTHER); + TLS_OK_F(cacertfile, "CACertFile", bitset(TLS_I_CERTF_EX, req), + TLS_S_CERTF_EX, TLS_T_OTHER); + +# if OPENSSL_VERSION_NUMBER > 0x00907000L + TLS_OK_F(CRLFile, "CRLFile", bitset(TLS_I_CRLF_EX, req), + TLS_S_CRLF_EX, TLS_T_OTHER); +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + +# if _FFR_TLS_1 + /* + ** if the second file is specified it must exist + ** XXX: it is possible here to define only one of those files + */ + + if (cf2 != NULL) + { + TLS_OK_F(cf2, "CertFile", bitset(TLS_I_CERT_EX, req), + TLS_S_CERT2_EX, srv ? TLS_T_SRV : TLS_T_CLT); + } + if (kf2 != NULL) + { + TLS_OK_F(kf2, "KeyFile", bitset(TLS_I_KEY_EX, req), + TLS_S_KEY2_EX, srv ? TLS_T_SRV : TLS_T_CLT); + } +# endif /* _FFR_TLS_1 */ + + /* + ** valid values for dhparam are (only the first char is checked) + ** none no parameters: don't use DH + ** 512 generate 512 bit parameters (fixed) + ** 1024 generate 1024 bit parameters + ** /file/name read parameters from /file/name + ** default is: 1024 for server, 512 for client (OK? XXX) + */ + + if (bitset(TLS_I_TRY_DH, req)) + { + if (dhparam != NULL) + { + char c = *dhparam; + + if (c == '1') + req |= TLS_I_DH1024; + else if (c == '5') + req |= TLS_I_DH512; + else if (c != 'n' && c != 'N' && c != '/') + { + if (LogLevel > 12) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: illegal value '%s' for DHParam", + who, dhparam); + dhparam = NULL; + } + } + if (dhparam == NULL) + dhparam = srv ? "1" : "5"; + else if (*dhparam == '/') + { + TLS_OK_F(dhparam, "DHParameters", + bitset(TLS_I_DHPAR_EX, req), + TLS_S_DHPAR_EX, TLS_T_OTHER); + } + } + if (!ok) + return ok; + + /* certfile etc. must be "safe". */ + sff = SFF_REGONLY | SFF_SAFEDIRPATH | SFF_NOWLINK + | SFF_NOGWFILES | SFF_NOWWFILES + | SFF_MUSTOWN | SFF_ROOTOK | SFF_OPENASROOT; + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + + TLS_SAFE_F(certfile, sff | TLS_UNR(TLS_I_CERT_UNR, req), + bitset(TLS_I_CERT_EX, req), + bitset(TLS_S_CERT_EX, status), TLS_S_CERT_OK, srv); + TLS_SAFE_F(keyfile, sff | TLS_KEYSFF(req), + bitset(TLS_I_KEY_EX, req), + bitset(TLS_S_KEY_EX, status), TLS_S_KEY_OK, srv); + TLS_SAFE_F(cacertfile, sff | TLS_UNR(TLS_I_CERTF_UNR, req), + bitset(TLS_I_CERTF_EX, req), + bitset(TLS_S_CERTF_EX, status), TLS_S_CERTF_OK, srv); + TLS_SAFE_F(dhparam, sff | TLS_UNR(TLS_I_DHPAR_UNR, req), + bitset(TLS_I_DHPAR_EX, req), + bitset(TLS_S_DHPAR_EX, status), TLS_S_DHPAR_OK, srv); +# if OPENSSL_VERSION_NUMBER > 0x00907000L + TLS_SAFE_F(CRLFile, sff | TLS_UNR(TLS_I_CRLF_UNR, req), + bitset(TLS_I_CRLF_EX, req), + bitset(TLS_S_CRLF_EX, status), TLS_S_CRLF_OK, srv); +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + if (!ok) + return ok; +# if _FFR_TLS_1 + if (cf2 != NULL) + { + TLS_SAFE_F(cf2, sff | TLS_UNR(TLS_I_CERT_UNR, req), + bitset(TLS_I_CERT_EX, req), + bitset(TLS_S_CERT2_EX, status), TLS_S_CERT2_OK, srv); + } + if (kf2 != NULL) + { + TLS_SAFE_F(kf2, sff | TLS_KEYSFF(req), + bitset(TLS_I_KEY_EX, req), + bitset(TLS_S_KEY2_EX, status), TLS_S_KEY2_OK, srv); + } +# endif /* _FFR_TLS_1 */ + + /* create a method and a new context */ + if ((*ctx = SSL_CTX_new(srv ? SSLv23_server_method() : + SSLv23_client_method())) == NULL) + { + if (LogLevel > 7) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_new(SSLv23_%s_method()) failed", + who, who); + if (LogLevel > 9) + tlslogerr(who); + return false; + } + +# if OPENSSL_VERSION_NUMBER > 0x00907000L + if (CRLFile != NULL) + { + /* get a pointer to the current certificate validation store */ + store = SSL_CTX_get_cert_store(*ctx); /* does not fail */ + crl_file = BIO_new(BIO_s_file_internal()); + if (crl_file != NULL) + { + if (BIO_read_filename(crl_file, CRLFile) >= 0) + { + crl = PEM_read_bio_X509_CRL(crl_file, NULL, + NULL, NULL); + BIO_free(crl_file); + X509_STORE_add_crl(store, crl); + X509_CRL_free(crl); + X509_STORE_set_flags(store, + X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL); + X509_STORE_set_verify_cb_func(store, + x509_verify_cb); + } + else + { + if (LogLevel > 9) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: PEM_read_bio_X509_CRL(%s)=failed", + who, CRLFile); + } + + /* avoid memory leaks */ + BIO_free(crl_file); + return false; + } + + } + else if (LogLevel > 9) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: BIO_new=failed", who); + } +# if _FFR_CRLPATH + if (CRLPath != NULL) + { + X509_LOOKUP *lookup; + + lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); + if (lookup == NULL) + { + if (LogLevel > 9) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: X509_STORE_add_lookup(hash)=failed", + who, CRLFile); + } + return false; + } + X509_LOOKUP_add_dir(lookup, CRLPath, X509_FILETYPE_PEM); + X509_STORE_set_flags(store, + X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL); + } +# endif /* _FFR_CRLPATH */ +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ + +# if TLS_NO_RSA + /* turn off backward compatibility, required for no-rsa */ + SSL_CTX_set_options(*ctx, SSL_OP_NO_SSLv2); +# endif /* TLS_NO_RSA */ + + +# if !TLS_NO_RSA + /* + ** Create a temporary RSA key + ** XXX Maybe we shouldn't create this always (even though it + ** is only at startup). + ** It is a time-consuming operation and it is not always necessary. + ** maybe we should do it only on demand... + */ + + if (bitset(TLS_I_RSA_TMP, req) +# if SM_CONF_SHM + && ShmId != SM_SHM_NO_ID && + (rsa_tmp = RSA_generate_key(RSA_KEYLENGTH, RSA_F4, NULL, + NULL)) == NULL +# else /* SM_CONF_SHM */ + && 0 /* no shared memory: no need to generate key now */ +# endif /* SM_CONF_SHM */ + ) + { + if (LogLevel > 7) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: RSA_generate_key failed", + who); + if (LogLevel > 9) + tlslogerr(who); + } + return false; + } +# endif /* !TLS_NO_RSA */ + + /* + ** load private key + ** XXX change this for DSA-only version + */ + + if (bitset(TLS_S_KEY_OK, status) && + SSL_CTX_use_PrivateKey_file(*ctx, keyfile, + SSL_FILETYPE_PEM) <= 0) + { + if (LogLevel > 7) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_use_PrivateKey_file(%s) failed", + who, keyfile); + if (LogLevel > 9) + tlslogerr(who); + } + if (bitset(TLS_I_USE_KEY, req)) + return false; + } + + /* get the certificate file */ + if (bitset(TLS_S_CERT_OK, status) && + SSL_CTX_use_certificate_file(*ctx, certfile, + SSL_FILETYPE_PEM) <= 0) + { + if (LogLevel > 7) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_use_certificate_file(%s) failed", + who, certfile); + if (LogLevel > 9) + tlslogerr(who); + } + if (bitset(TLS_I_USE_CERT, req)) + return false; + } + + /* check the private key */ + if (bitset(TLS_S_KEY_OK, status) && + (r = SSL_CTX_check_private_key(*ctx)) <= 0) + { + /* Private key does not match the certificate public key */ + if (LogLevel > 5) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_check_private_key failed(%s): %d", + who, keyfile, r); + if (LogLevel > 9) + tlslogerr(who); + } + if (bitset(TLS_I_USE_KEY, req)) + return false; + } + +# if _FFR_TLS_1 + /* XXX this code is pretty much duplicated from above! */ + + /* load private key */ + if (bitset(TLS_S_KEY2_OK, status) && + SSL_CTX_use_PrivateKey_file(*ctx, kf2, SSL_FILETYPE_PEM) <= 0) + { + if (LogLevel > 7) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_use_PrivateKey_file(%s) failed", + who, kf2); + if (LogLevel > 9) + tlslogerr(who); + } + } + + /* get the certificate file */ + if (bitset(TLS_S_CERT2_OK, status) && + SSL_CTX_use_certificate_file(*ctx, cf2, SSL_FILETYPE_PEM) <= 0) + { + if (LogLevel > 7) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_use_certificate_file(%s) failed", + who, cf2); + if (LogLevel > 9) + tlslogerr(who); + } + } + + /* also check the private key */ + if (bitset(TLS_S_KEY2_OK, status) && + (r = SSL_CTX_check_private_key(*ctx)) <= 0) + { + /* Private key does not match the certificate public key */ + if (LogLevel > 5) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_check_private_key 2 failed: %d", + who, r); + if (LogLevel > 9) + tlslogerr(who); + } + } +# endif /* _FFR_TLS_1 */ + + /* SSL_CTX_set_quiet_shutdown(*ctx, 1); violation of standard? */ + SSL_CTX_set_options(*ctx, SSL_OP_ALL); /* XXX bug compatibility? */ + +# if !NO_DH + /* Diffie-Hellman initialization */ + if (bitset(TLS_I_TRY_DH, req)) + { + if (bitset(TLS_S_DHPAR_OK, status)) + { + BIO *bio; + + if ((bio = BIO_new_file(dhparam, "r")) != NULL) + { + dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); + BIO_free(bio); + if (dh == NULL && LogLevel > 7) + { + unsigned long err; + + err = ERR_get_error(); + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: cannot read DH parameters(%s): %s", + who, dhparam, + ERR_error_string(err, NULL)); + if (LogLevel > 9) + tlslogerr(who); + } + } + else + { + if (LogLevel > 5) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: BIO_new_file(%s) failed", + who, dhparam); + if (LogLevel > 9) + tlslogerr(who); + } + } + } + if (dh == NULL && bitset(TLS_I_DH1024, req)) + { + DSA *dsa; + + /* this takes a while! (7-130s on a 450MHz AMD K6-2) */ + dsa = DSA_generate_parameters(1024, NULL, 0, NULL, + NULL, 0, NULL); + dh = DSA_dup_DH(dsa); + DSA_free(dsa); + } + else + if (dh == NULL && bitset(TLS_I_DH512, req)) + dh = get_dh512(); + + if (dh == NULL) + { + if (LogLevel > 9) + { + unsigned long err; + + err = ERR_get_error(); + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: cannot read or set DH parameters(%s): %s", + who, dhparam, + ERR_error_string(err, NULL)); + } + if (bitset(TLS_I_REQ_DH, req)) + return false; + } + else + { + SSL_CTX_set_tmp_dh(*ctx, dh); + + /* important to avoid small subgroup attacks */ + SSL_CTX_set_options(*ctx, SSL_OP_SINGLE_DH_USE); + if (LogLevel > 13) + sm_syslog(LOG_INFO, NOQID, + "STARTTLS=%s, Diffie-Hellman init, key=%d bit (%c)", + who, 8 * DH_size(dh), *dhparam); + DH_free(dh); + } + } +# endif /* !NO_DH */ + + + /* XXX do we need this cache here? */ + if (bitset(TLS_I_CACHE, req)) + SSL_CTX_sess_set_cache_size(*ctx, 128); + /* timeout? SSL_CTX_set_timeout(*ctx, TimeOut...); */ + + /* load certificate locations and default CA paths */ + if (bitset(TLS_S_CERTP_EX, status) && bitset(TLS_S_CERTF_EX, status)) + { + if ((r = SSL_CTX_load_verify_locations(*ctx, cacertfile, + cacertpath)) == 1) + { +# if !TLS_NO_RSA + if (bitset(TLS_I_RSA_TMP, req)) + SSL_CTX_set_tmp_rsa_callback(*ctx, tmp_rsa_key); +# endif /* !TLS_NO_RSA */ + + /* + ** We have to install our own verify callback: + ** SSL_VERIFY_PEER requests a client cert but even + ** though *FAIL_IF* isn't set, the connection + ** will be aborted if the client presents a cert + ** that is not "liked" (can't be verified?) by + ** the TLS library :-( + */ + + /* + ** XXX currently we could call tls_set_verify() + ** but we hope that that function will later on + ** only set the mode per connection. + */ + SSL_CTX_set_verify(*ctx, + bitset(TLS_I_NO_VRFY, req) ? SSL_VERIFY_NONE + : SSL_VERIFY_PEER, + NULL); + + /* install verify callback */ + SSL_CTX_set_cert_verify_callback(*ctx, tls_verify_cb, + NULL); + SSL_CTX_set_client_CA_list(*ctx, + SSL_load_client_CA_file(cacertfile)); + } + else + { + /* + ** can't load CA data; do we care? + ** the data is necessary to authenticate the client, + ** which in turn would be necessary + ** if we want to allow relaying based on it. + */ + if (LogLevel > 5) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: load verify locs %s, %s failed: %d", + who, cacertpath, cacertfile, r); + if (LogLevel > 9) + tlslogerr(who); + } + if (bitset(TLS_I_VRFY_LOC, req)) + return false; + } + } + + /* XXX: make this dependent on an option? */ + if (tTd(96, 9)) + SSL_CTX_set_info_callback(*ctx, apps_ssl_info_cb); + +# if _FFR_TLS_1 + /* install our own cipher list */ + if (CipherList != NULL && *CipherList != '\0') + { + if (SSL_CTX_set_cipher_list(*ctx, CipherList) <= 0) + { + if (LogLevel > 7) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, error: SSL_CTX_set_cipher_list(%s) failed, list ignored", + who, CipherList); + + if (LogLevel > 9) + tlslogerr(who); + } + /* failure if setting to this list is required? */ + } + } +# endif /* _FFR_TLS_1 */ + if (LogLevel > 12) + sm_syslog(LOG_INFO, NOQID, "STARTTLS=%s, init=%d", who, ok); + +# if _FFR_TLS_1 +# if 0 + /* + ** this label is required if we want to have a "clean" exit + ** see the comments above at the initialization of cf2 + */ + + endinittls: +# endif /* 0 */ + + /* undo damage to global variables */ + if (cf2 != NULL) + *--cf2 = ','; + if (kf2 != NULL) + *--kf2 = ','; +# endif /* _FFR_TLS_1 */ + + return ok; +} +/* +** TLS_GET_INFO -- get information about TLS connection +** +** Parameters: +** ssl -- TLS connection structure +** srv -- server or client +** host -- hostname of other side +** mac -- macro storage +** certreq -- did we ask for a cert? +** +** Returns: +** result of authentication. +** +** Side Effects: +** sets macros: {cipher}, {tls_version}, {verify}, +** {cipher_bits}, {alg_bits}, {cert}, {cert_subject}, +** {cert_issuer}, {cn_subject}, {cn_issuer} +*/ + +int +tls_get_info(ssl, srv, host, mac, certreq) + SSL *ssl; + bool srv; + char *host; + MACROS_T *mac; + bool certreq; +{ + SSL_CIPHER *c; + int b, r; + long verifyok; + char *s, *who; + char bitstr[16]; + X509 *cert; + + c = SSL_get_current_cipher(ssl); + + /* cast is just workaround for compiler warning */ + macdefine(mac, A_TEMP, macid("{cipher}"), + (char *) SSL_CIPHER_get_name(c)); + b = SSL_CIPHER_get_bits(c, &r); + (void) sm_snprintf(bitstr, sizeof bitstr, "%d", b); + macdefine(mac, A_TEMP, macid("{cipher_bits}"), bitstr); + (void) sm_snprintf(bitstr, sizeof bitstr, "%d", r); + macdefine(mac, A_TEMP, macid("{alg_bits}"), bitstr); + s = SSL_CIPHER_get_version(c); + if (s == NULL) + s = "UNKNOWN"; + macdefine(mac, A_TEMP, macid("{tls_version}"), s); + + who = srv ? "server" : "client"; + cert = SSL_get_peer_certificate(ssl); + verifyok = SSL_get_verify_result(ssl); + if (LogLevel > 14) + sm_syslog(LOG_INFO, NOQID, + "STARTTLS=%s, get_verify: %ld get_peer: 0x%lx", + who, verifyok, (unsigned long) cert); + if (cert != NULL) + { + unsigned int n; + unsigned char md[EVP_MAX_MD_SIZE]; + char buf[MAXNAME]; + + X509_NAME_oneline(X509_get_subject_name(cert), + buf, sizeof buf); + macdefine(mac, A_TEMP, macid("{cert_subject}"), + xtextify(buf, "<>\")")); + X509_NAME_oneline(X509_get_issuer_name(cert), + buf, sizeof buf); + macdefine(mac, A_TEMP, macid("{cert_issuer}"), + xtextify(buf, "<>\")")); + X509_NAME_get_text_by_NID(X509_get_subject_name(cert), + NID_commonName, buf, sizeof buf); + macdefine(mac, A_TEMP, macid("{cn_subject}"), + xtextify(buf, "<>\")")); + X509_NAME_get_text_by_NID(X509_get_issuer_name(cert), + NID_commonName, buf, sizeof buf); + macdefine(mac, A_TEMP, macid("{cn_issuer}"), + xtextify(buf, "<>\")")); + n = 0; + if (X509_digest(cert, EVP_md5(), md, &n) != 0 && n > 0) + { + char md5h[EVP_MAX_MD_SIZE * 3]; + static const char hexcodes[] = "0123456789ABCDEF"; + + SM_ASSERT((n * 3) + 2 < sizeof(md5h)); + for (r = 0; r < (int) n; r++) + { + md5h[r * 3] = hexcodes[(md[r] & 0xf0) >> 4]; + md5h[(r * 3) + 1] = hexcodes[(md[r] & 0x0f)]; + md5h[(r * 3) + 2] = ':'; + } + md5h[(n * 3) - 1] = '\0'; + macdefine(mac, A_TEMP, macid("{cert_md5}"), md5h); + } + else + macdefine(mac, A_TEMP, macid("{cert_md5}"), ""); + } + else + { + macdefine(mac, A_PERM, macid("{cert_subject}"), ""); + macdefine(mac, A_PERM, macid("{cert_issuer}"), ""); + macdefine(mac, A_PERM, macid("{cn_subject}"), ""); + macdefine(mac, A_PERM, macid("{cn_issuer}"), ""); + macdefine(mac, A_TEMP, macid("{cert_md5}"), ""); + } + switch (verifyok) + { + case X509_V_OK: + if (cert != NULL) + { + s = "OK"; + r = TLS_AUTH_OK; + } + else + { + s = certreq ? "NO" : "NOT", + r = TLS_AUTH_NO; + } + break; + default: + s = "FAIL"; + r = TLS_AUTH_FAIL; + break; + } + macdefine(mac, A_PERM, macid("{verify}"), s); + if (cert != NULL) + X509_free(cert); + + /* do some logging */ + if (LogLevel > 8) + { + char *vers, *s1, *s2, *cbits, *algbits; + + vers = macget(mac, macid("{tls_version}")); + cbits = macget(mac, macid("{cipher_bits}")); + algbits = macget(mac, macid("{alg_bits}")); + s1 = macget(mac, macid("{verify}")); + s2 = macget(mac, macid("{cipher}")); + + /* XXX: maybe cut off ident info? */ + sm_syslog(LOG_INFO, NOQID, + "STARTTLS=%s, relay=%.100s, version=%.16s, verify=%.16s, cipher=%.64s, bits=%.6s/%.6s", + who, + host == NULL ? "local" : host, + vers, s1, s2, /* sm_snprintf() can deal with NULL */ + algbits == NULL ? "0" : algbits, + cbits == NULL ? "0" : cbits); + if (LogLevel > 11) + { + /* + ** Maybe run xuntextify on the strings? + ** That is easier to read but makes it maybe a bit + ** more complicated to figure out the right values + ** for the access map... + */ + + s1 = macget(mac, macid("{cert_subject}")); + s2 = macget(mac, macid("{cert_issuer}")); + sm_syslog(LOG_INFO, NOQID, + "STARTTLS=%s, cert-subject=%.256s, cert-issuer=%.256s, verifymsg=%s", + who, s1, s2, + X509_verify_cert_error_string(verifyok)); + } + } + return r; +} +/* +** ENDTLS -- shutdown secure connection +** +** Parameters: +** ssl -- SSL connection information. +** side -- server/client (for logging). +** +** Returns: +** success? (EX_* code) +*/ + +int +endtls(ssl, side) + SSL *ssl; + char *side; +{ + int ret = EX_OK; + + if (ssl != NULL) + { + int r; + + if ((r = SSL_shutdown(ssl)) < 0) + { + if (LogLevel > 11) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, SSL_shutdown failed: %d", + side, r); + tlslogerr(side); + } + ret = EX_SOFTWARE; + } +# if !defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER > 0x0090602fL + + /* + ** Bug in OpenSSL (at least up to 0.9.6b): + ** From: Lutz.Jaenicke@aet.TU-Cottbus.DE + ** Message-ID: <20010723152244.A13122@serv01.aet.tu-cottbus.de> + ** To: openssl-users@openssl.org + ** Subject: Re: SSL_shutdown() woes (fwd) + ** + ** The side sending the shutdown alert first will + ** not care about the answer of the peer but will + ** immediately return with a return value of "0" + ** (ssl/s3_lib.c:ssl3_shutdown()). SSL_get_error will evaluate + ** the value of "0" and as the shutdown alert of the peer was + ** not received (actually, the program did not even wait for + ** the answer), an SSL_ERROR_SYSCALL is flagged, because this + ** is the default rule in case everything else does not apply. + ** + ** For your server the problem is different, because it + ** receives the shutdown first (setting SSL_RECEIVED_SHUTDOWN), + ** then sends its response (SSL_SENT_SHUTDOWN), so for the + ** server the shutdown was successfull. + ** + ** As is by know, you would have to call SSL_shutdown() once + ** and ignore an SSL_ERROR_SYSCALL returned. Then call + ** SSL_shutdown() again to actually get the server's response. + ** + ** In the last discussion, Bodo Moeller concluded that a + ** rewrite of the shutdown code would be necessary, but + ** probably with another API, as the change would not be + ** compatible to the way it is now. Things do not become + ** easier as other programs do not follow the shutdown + ** guidelines anyway, so that a lot error conditions and + ** compitibility issues would have to be caught. + ** + ** For now the recommondation is to ignore the error message. + */ + + else if (r == 0) + { + if (LogLevel > 15) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s, SSL_shutdown not done", + side); + tlslogerr(side); + } + ret = EX_SOFTWARE; + } +# endif /* !defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER > 0x0090602fL */ + SSL_free(ssl); + ssl = NULL; + } + return ret; +} + +# if !TLS_NO_RSA +/* +** TMP_RSA_KEY -- return temporary RSA key +** +** Parameters: +** s -- TLS connection structure +** export -- +** keylength -- +** +** Returns: +** temporary RSA key. +*/ + +# ifndef MAX_RSA_TMP_CNT +# define MAX_RSA_TMP_CNT 1000 /* XXX better value? */ +# endif /* ! MAX_RSA_TMP_CNT */ + +/* ARGUSED0 */ +static RSA * +tmp_rsa_key(s, export, keylength) + SSL *s; + int export; + int keylength; +{ +# if SM_CONF_SHM + extern int ShmId; + extern int *PRSATmpCnt; + + if (ShmId != SM_SHM_NO_ID && rsa_tmp != NULL && + ++(*PRSATmpCnt) < MAX_RSA_TMP_CNT) + return rsa_tmp; +# endif /* SM_CONF_SHM */ + + if (rsa_tmp != NULL) + RSA_free(rsa_tmp); + rsa_tmp = RSA_generate_key(RSA_KEYLENGTH, RSA_F4, NULL, NULL); + if (rsa_tmp == NULL) + { + if (LogLevel > 0) + sm_syslog(LOG_ERR, NOQID, + "STARTTLS=server, tmp_rsa_key: RSA_generate_key failed!"); + } + else + { +# if SM_CONF_SHM +# if 0 + /* + ** XXX we can't (yet) share the new key... + ** The RSA structure contains pointers hence it can't be + ** easily kept in shared memory. It must be transformed + ** into a continous memory region first, then stored, + ** and later read out again (each time re-transformed). + */ + + if (ShmId != SM_SHM_NO_ID) + *PRSATmpCnt = 0; +# endif /* 0 */ +# endif /* SM_CONF_SHM */ + if (LogLevel > 9) + sm_syslog(LOG_ERR, NOQID, + "STARTTLS=server, tmp_rsa_key: new temp RSA key"); + } + return rsa_tmp; +} +# endif /* !TLS_NO_RSA */ +/* +** APPS_SSL_INFO_CB -- info callback for TLS connections +** +** Parameters: +** s -- TLS connection structure +** where -- state in handshake +** ret -- return code of last operation +** +** Returns: +** none. +*/ + +static void +apps_ssl_info_cb(s, where, ret) + CONST097 SSL *s; + int where; + int ret; +{ + int w; + char *str; + BIO *bio_err = NULL; + + if (LogLevel > 14) + sm_syslog(LOG_INFO, NOQID, + "STARTTLS: info_callback where=0x%x, ret=%d", + where, ret); + + w = where & ~SSL_ST_MASK; + if (bio_err == NULL) + bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); + + if (bitset(SSL_ST_CONNECT, w)) + str = "SSL_connect"; + else if (bitset(SSL_ST_ACCEPT, w)) + str = "SSL_accept"; + else + str = "undefined"; + + if (bitset(SSL_CB_LOOP, where)) + { + if (LogLevel > 12) + sm_syslog(LOG_NOTICE, NOQID, + "STARTTLS: %s:%s", + str, SSL_state_string_long(s)); + } + else if (bitset(SSL_CB_ALERT, where)) + { + str = bitset(SSL_CB_READ, where) ? "read" : "write"; + if (LogLevel > 12) + sm_syslog(LOG_NOTICE, NOQID, + "STARTTLS: SSL3 alert %s:%s:%s", + str, SSL_alert_type_string_long(ret), + SSL_alert_desc_string_long(ret)); + } + else if (bitset(SSL_CB_EXIT, where)) + { + if (ret == 0) + { + if (LogLevel > 7) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: %s:failed in %s", + str, SSL_state_string_long(s)); + } + else if (ret < 0) + { + if (LogLevel > 7) + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS: %s:error in %s", + str, SSL_state_string_long(s)); + } + } +} +/* +** TLS_VERIFY_LOG -- log verify error for TLS certificates +** +** Parameters: +** ok -- verify ok? +** ctx -- x509 context +** +** Returns: +** 0 -- fatal error +** 1 -- ok +*/ + +static int +tls_verify_log(ok, ctx, name) + int ok; + X509_STORE_CTX *ctx; + char *name; +{ + SSL *ssl; + X509 *cert; + int reason, depth; + char buf[512]; + + cert = X509_STORE_CTX_get_current_cert(ctx); + reason = X509_STORE_CTX_get_error(ctx); + depth = X509_STORE_CTX_get_error_depth(ctx); + ssl = (SSL *) X509_STORE_CTX_get_ex_data(ctx, + SSL_get_ex_data_X509_STORE_CTX_idx()); + + if (ssl == NULL) + { + /* internal error */ + sm_syslog(LOG_ERR, NOQID, + "STARTTLS: internal error: tls_verify_cb: ssl == NULL"); + return 0; + } + + X509_NAME_oneline(X509_get_subject_name(cert), buf, sizeof buf); + sm_syslog(LOG_INFO, NOQID, + "STARTTLS: %s cert verify: depth=%d %s, state=%d, reason=%s", + name, depth, buf, ok, X509_verify_cert_error_string(reason)); + return 1; +} + +/* +** TLS_VERIFY_CB -- verify callback for TLS certificates +** +** Parameters: +** ctx -- x509 context +** +** Returns: +** accept connection? +** currently: always yes. +*/ + +static int +# if !defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x00907000L +tls_verify_cb(ctx) + X509_STORE_CTX *ctx; +# else /* !defined() || OPENSSL_VERSION_NUMBER < 0x00907000L */ +tls_verify_cb(ctx, unused) + X509_STORE_CTX *ctx; + void *unused; +# endif /* !defined() || OPENSSL_VERSION_NUMBER < 0x00907000L */ +{ + int ok; + + ok = X509_verify_cert(ctx); + if (ok == 0) + { + if (LogLevel > 13) + return tls_verify_log(ok, ctx, "TLS"); + return 1; /* override it */ + } + return ok; +} +/* +** TLSLOGERR -- log the errors from the TLS error stack +** +** Parameters: +** who -- server/client (for logging). +** +** Returns: +** none. +*/ + +void +tlslogerr(who) + char *who; +{ + unsigned long l; + int line, flags; + unsigned long es; + char *file, *data; + char buf[256]; +# define CP (const char **) + + es = CRYPTO_thread_id(); + while ((l = ERR_get_error_line_data(CP &file, &line, CP &data, &flags)) + != 0) + { + sm_syslog(LOG_WARNING, NOQID, + "STARTTLS=%s: %lu:%s:%s:%d:%s", who, es, + ERR_error_string(l, buf), + file, line, + bitset(ERR_TXT_STRING, flags) ? data : ""); + } +} + +# if OPENSSL_VERSION_NUMBER > 0x00907000L +/* +** X509_VERIFY_CB -- verify callback +** +** Parameters: +** ctx -- x509 context +** +** Returns: +** accept connection? +** currently: always yes. +*/ + +static int +x509_verify_cb(ok, ctx) + int ok; + X509_STORE_CTX *ctx; +{ + if (ok == 0) + { + if (LogLevel > 13) + tls_verify_log(ok, ctx, "x509"); + if (ctx->error == X509_V_ERR_UNABLE_TO_GET_CRL) + { + ctx->error = 0; + return 1; /* override it */ + } + } + return ok; +} +# endif /* OPENSSL_VERSION_NUMBER > 0x00907000L */ +#endif /* STARTTLS */ diff --git a/contrib/sendmail-8.13.4/sendmail/trace.c b/contrib/sendmail-8.13.4/sendmail/trace.c new file mode 100644 index 0000000000..4a9051e58f --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/trace.c @@ -0,0 +1,224 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#include +#include + +SM_RCSID("@(#)$Id: trace.c,v 8.38 2002/12/05 17:28:35 ca Exp $") + +static char *tTnewflag __P((char *)); +static char *tToldflag __P((char *)); + +/* +** TtSETUP -- set up for trace package. +** +** Parameters: +** vect -- pointer to trace vector. +** size -- number of flags in trace vector. +** defflags -- flags to set if no value given. +** +** Returns: +** none +** +** Side Effects: +** environment is set up. +*/ + +static unsigned char *tTvect; +static unsigned int tTsize; +static char *DefFlags; + +void +tTsetup(vect, size, defflags) + unsigned char *vect; + unsigned int size; + char *defflags; +{ + tTvect = vect; + tTsize = size; + DefFlags = defflags; +} + +/* +** tToldflag -- process an old style trace flag +** +** Parameters: +** s -- points to a [\0, \t] terminated string, +** and the initial character is a digit. +** +** Returns: +** pointer to terminating [\0, \t] character +** +** Side Effects: +** modifies tTvect +*/ + +static char * +tToldflag(s) + register char *s; +{ + unsigned int first, last; + register unsigned int i; + + /* find first flag to set */ + i = 0; + while (isascii(*s) && isdigit(*s) && i < tTsize) + i = i * 10 + (*s++ - '0'); + + /* + ** skip over rest of a too large number + ** Maybe we should complain if out-of-bounds values are used. + */ + + while (isascii(*s) && isdigit(*s) && i >= tTsize) + s++; + first = i; + + /* find last flag to set */ + if (*s == '-') + { + i = 0; + while (isascii(*++s) && isdigit(*s) && i < tTsize) + i = i * 10 + (*s - '0'); + + /* skip over rest of a too large number */ + while (isascii(*s) && isdigit(*s) && i >= tTsize) + s++; + } + last = i; + + /* find the level to set it to */ + i = 1; + if (*s == '.') + { + i = 0; + while (isascii(*++s) && isdigit(*s)) + i = i * 10 + (*s - '0'); + } + + /* clean up args */ + if (first >= tTsize) + first = tTsize - 1; + if (last >= tTsize) + last = tTsize - 1; + + /* set the flags */ + while (first <= last) + tTvect[first++] = (unsigned char) i; + + /* skip trailing junk */ + while (*s != '\0' && *s != ',' && *s != ' ' && *s != '\t') + ++s; + + return s; +} + +/* +** tTnewflag -- process a new style trace flag +** +** Parameters: +** s -- Points to a non-empty [\0, \t] terminated string, +** of which the initial character is not a digit. +** +** Returns: +** pointer to terminating [\0, \t] character +** +** Side Effects: +** adds trace flag to libsm debug database +*/ + +static char * +tTnewflag(s) + register char *s; +{ + char *pat, *endpat; + int level; + + pat = s; + while (*s != '\0' && *s != ',' && *s != ' ' && *s != '\t' && *s != '.') + ++s; + endpat = s; + if (*s == '.') + { + ++s; + level = 0; + while (isascii(*s) && isdigit(*s)) + { + level = level * 10 + (*s - '0'); + ++s; + } + if (level < 0) + level = 0; + } + else + { + level = 1; + } + + sm_debug_addsetting_x(sm_strndup_x(pat, endpat - pat), level); + + /* skip trailing junk */ + while (*s != '\0' && *s != ',' && *s != ' ' && *s != '\t') + ++s; + + return s; +} + +/* +** TtFLAG -- process an external trace flag list. +** +** Parameters: +** s -- the trace flag. +** +** The syntax of a trace flag list is as follows: +** +** ::= | "," +** ::= | "." +** ::= | "-" | +** ::= +** +** White space is ignored before and after a flag. +** However, note that we skip over anything we don't +** understand, rather than report an error. +** +** Returns: +** none. +** +** Side Effects: +** sets/clears old-style trace flags. +** registers new-style trace flags with the libsm debug package. +*/ + +void +tTflag(s) + register char *s; +{ + if (s == NULL || *s == '\0') + s = DefFlags; + + for (;;) + { + if (*s == '\0') + return; + if (*s == ',' || *s == ' ' || *s == '\t') + { + ++s; + continue; + } + if (isascii(*s) && isdigit(*s)) + s = tToldflag(s); + else + s = tTnewflag(s); + } +} diff --git a/contrib/sendmail-8.13.4/sendmail/udb.c b/contrib/sendmail-8.13.4/sendmail/udb.c new file mode 100644 index 0000000000..aaf8569286 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/udb.c @@ -0,0 +1,1312 @@ +/* + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +#if USERDB +SM_RCSID("@(#)$Id: udb.c,v 8.160 2003/04/03 16:32:46 ca Exp $ (with USERDB)") +#else /* USERDB */ +SM_RCSID("@(#)$Id: udb.c,v 8.160 2003/04/03 16:32:46 ca Exp $ (without USERDB)") +#endif /* USERDB */ + +#if USERDB + +# if NEWDB +# include "sm/bdb.h" +# else /* NEWDB */ +# define DBT struct _data_base_thang_ +DBT +{ + void *data; /* pointer to data */ + size_t size; /* length of data */ +}; +# endif /* NEWDB */ + +/* +** UDB.C -- interface between sendmail and Berkeley User Data Base. +** +** This depends on the 4.4BSD db package. +*/ + + +struct udbent +{ + char *udb_spec; /* string version of spec */ + int udb_type; /* type of entry */ + pid_t udb_pid; /* PID of process which opened db */ + char *udb_default; /* default host for outgoing mail */ + union + { +# if NETINET || NETINET6 + /* type UE_REMOTE -- do remote call for lookup */ + struct + { + SOCKADDR _udb_addr; /* address */ + int _udb_timeout; /* timeout */ + } udb_remote; +# define udb_addr udb_u.udb_remote._udb_addr +# define udb_timeout udb_u.udb_remote._udb_timeout +# endif /* NETINET || NETINET6 */ + + /* type UE_FORWARD -- forward message to remote */ + struct + { + char *_udb_fwdhost; /* name of forward host */ + } udb_forward; +# define udb_fwdhost udb_u.udb_forward._udb_fwdhost + +# if NEWDB + /* type UE_FETCH -- lookup in local database */ + struct + { + char *_udb_dbname; /* pathname of database */ + DB *_udb_dbp; /* open database ptr */ + } udb_lookup; +# define udb_dbname udb_u.udb_lookup._udb_dbname +# define udb_dbp udb_u.udb_lookup._udb_dbp +# endif /* NEWDB */ + } udb_u; +}; + +# define UDB_EOLIST 0 /* end of list */ +# define UDB_SKIP 1 /* skip this entry */ +# define UDB_REMOTE 2 /* look up in remote database */ +# define UDB_DBFETCH 3 /* look up in local database */ +# define UDB_FORWARD 4 /* forward to remote host */ +# define UDB_HESIOD 5 /* look up via hesiod */ + +# define MAXUDBENT 10 /* maximum number of UDB entries */ + + +struct udb_option +{ + char *udbo_name; + char *udbo_val; +}; + +# if HESIOD +static int hes_udb_get __P((DBT *, DBT *)); +# endif /* HESIOD */ +static char *udbmatch __P((char *, char *, SM_RPOOL_T *)); +static int _udbx_init __P((ENVELOPE *)); +static int _udb_parsespec __P((char *, struct udb_option [], int)); + +/* +** UDBEXPAND -- look up user in database and expand +** +** Parameters: +** a -- address to expand. +** sendq -- pointer to head of sendq to put the expansions in. +** aliaslevel -- the current alias nesting depth. +** e -- the current envelope. +** +** Returns: +** EX_TEMPFAIL -- if something "odd" happened -- probably due +** to accessing a file on an NFS server that is down. +** EX_OK -- otherwise. +** +** Side Effects: +** Modifies sendq. +*/ + +static struct udbent UdbEnts[MAXUDBENT + 1]; +static bool UdbInitialized = false; + +int +udbexpand(a, sendq, aliaslevel, e) + register ADDRESS *a; + ADDRESS **sendq; + int aliaslevel; + register ENVELOPE *e; +{ + int i; + DBT key; + DBT info; + bool breakout; + register struct udbent *up; + int keylen; + int naddrs; + char *user; + char keybuf[MAXKEY]; + + memset(&key, '\0', sizeof key); + memset(&info, '\0', sizeof info); + + if (tTd(28, 1)) + sm_dprintf("udbexpand(%s)\n", a->q_paddr); + + /* make certain we are supposed to send to this address */ + if (!QS_IS_SENDABLE(a->q_state)) + return EX_OK; + e->e_to = a->q_paddr; + + /* on first call, locate the database */ + if (!UdbInitialized) + { + if (_udbx_init(e) == EX_TEMPFAIL) + return EX_TEMPFAIL; + } + + /* short circuit the process if no chance of a match */ + if (UdbSpec == NULL || UdbSpec[0] == '\0') + return EX_OK; + + /* extract user to do userdb matching on */ + user = a->q_user; + + /* short circuit name begins with '\\' since it can't possibly match */ + /* (might want to treat this as unquoted instead) */ + if (user[0] == '\\') + return EX_OK; + + /* if name begins with a colon, it indicates our metadata */ + if (user[0] == ':') + return EX_OK; + + keylen = sm_strlcpyn(keybuf, sizeof keybuf, 2, user, ":maildrop"); + + /* if name is too long, assume it won't match */ + if (keylen >= sizeof keybuf) + return EX_OK; + + /* build actual database key */ + + breakout = false; + for (up = UdbEnts; !breakout; up++) + { + int usersize; + int userleft; + char userbuf[MEMCHUNKSIZE]; +# if HESIOD && HES_GETMAILHOST + char pobuf[MAXNAME]; +# endif /* HESIOD && HES_GETMAILHOST */ +# if defined(NEWDB) && DB_VERSION_MAJOR > 1 + DBC *dbc = NULL; +# endif /* defined(NEWDB) && DB_VERSION_MAJOR > 1 */ + + user = userbuf; + userbuf[0] = '\0'; + usersize = sizeof userbuf; + userleft = sizeof userbuf - 1; + + /* + ** Select action based on entry type. + ** + ** On dropping out of this switch, "class" should + ** explain the type of the data, and "user" should + ** contain the user information. + */ + + switch (up->udb_type) + { +# if NEWDB + case UDB_DBFETCH: + key.data = keybuf; + key.size = keylen; + if (tTd(28, 80)) + sm_dprintf("udbexpand: trying %s (%d) via db\n", + keybuf, keylen); +# if DB_VERSION_MAJOR < 2 + i = (*up->udb_dbp->seq)(up->udb_dbp, &key, &info, R_CURSOR); +# else /* DB_VERSION_MAJOR < 2 */ + i = 0; + if (dbc == NULL && +# if DB_VERSION_MAJOR > 2 || DB_VERSION_MINOR >= 6 + (errno = (*up->udb_dbp->cursor)(up->udb_dbp, + NULL, &dbc, 0)) != 0) +# else /* DB_VERSION_MAJOR > 2 || DB_VERSION_MINOR >= 6 */ + (errno = (*up->udb_dbp->cursor)(up->udb_dbp, + NULL, &dbc)) != 0) +# endif /* DB_VERSION_MAJOR > 2 || DB_VERSION_MINOR >= 6 */ + i = -1; + if (i != 0 || dbc == NULL || + (errno = dbc->c_get(dbc, &key, + &info, DB_SET)) != 0) + i = 1; +# endif /* DB_VERSION_MAJOR < 2 */ + if (i > 0 || info.size <= 0) + { + if (tTd(28, 2)) + sm_dprintf("udbexpand: no match on %s (%d)\n", + keybuf, keylen); +# if DB_VERSION_MAJOR > 1 + if (dbc != NULL) + { + (void) dbc->c_close(dbc); + dbc = NULL; + } +# endif /* DB_VERSION_MAJOR > 1 */ + break; + } + if (tTd(28, 80)) + sm_dprintf("udbexpand: match %.*s: %.*s\n", + (int) key.size, (char *) key.data, + (int) info.size, (char *) info.data); + + a->q_flags &= ~QSELFREF; + while (i == 0 && key.size == keylen && + memcmp(key.data, keybuf, keylen) == 0) + { + char *p; + + if (bitset(EF_VRFYONLY, e->e_flags)) + { + a->q_state = QS_VERIFIED; +# if DB_VERSION_MAJOR > 1 + if (dbc != NULL) + { + (void) dbc->c_close(dbc); + dbc = NULL; + } +# endif /* DB_VERSION_MAJOR > 1 */ + return EX_OK; + } + + breakout = true; + if (info.size >= userleft - 1) + { + char *nuser; + int size = MEMCHUNKSIZE; + + if (info.size > MEMCHUNKSIZE) + size = info.size; + nuser = sm_malloc_x(usersize + size); + + memmove(nuser, user, usersize); + if (user != userbuf) + sm_free(user); /* XXX */ + user = nuser; + usersize += size; + userleft += size; + } + p = &user[strlen(user)]; + if (p != user) + { + *p++ = ','; + userleft--; + } + memmove(p, info.data, info.size); + p[info.size] = '\0'; + userleft -= info.size; + + /* get the next record */ +# if DB_VERSION_MAJOR < 2 + i = (*up->udb_dbp->seq)(up->udb_dbp, &key, &info, R_NEXT); +# else /* DB_VERSION_MAJOR < 2 */ + i = 0; + if ((errno = dbc->c_get(dbc, &key, + &info, DB_NEXT)) != 0) + i = 1; +# endif /* DB_VERSION_MAJOR < 2 */ + } + +# if DB_VERSION_MAJOR > 1 + if (dbc != NULL) + { + (void) dbc->c_close(dbc); + dbc = NULL; + } +# endif /* DB_VERSION_MAJOR > 1 */ + + /* if nothing ever matched, try next database */ + if (!breakout) + break; + + message("expanded to %s", user); + if (LogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, + "expand %.100s => %s", + e->e_to, + shortenstring(user, MAXSHORTSTR)); + naddrs = sendtolist(user, a, sendq, aliaslevel + 1, e); + if (naddrs > 0 && !bitset(QSELFREF, a->q_flags)) + { + if (tTd(28, 5)) + { + sm_dprintf("udbexpand: QS_EXPANDED "); + printaddr(sm_debug_file(), a, false); + } + a->q_state = QS_EXPANDED; + } + if (i < 0) + { + syserr("udbexpand: db-get %.*s stat %d", + (int) key.size, (char *) key.data, i); + return EX_TEMPFAIL; + } + + /* + ** If this address has a -request address, reflect + ** it into the envelope. + */ + + memset(&key, '\0', sizeof key); + memset(&info, '\0', sizeof info); + (void) sm_strlcpyn(keybuf, sizeof keybuf, 2, a->q_user, + ":mailsender"); + keylen = strlen(keybuf); + key.data = keybuf; + key.size = keylen; + +# if DB_VERSION_MAJOR < 2 + i = (*up->udb_dbp->get)(up->udb_dbp, &key, &info, 0); +# else /* DB_VERSION_MAJOR < 2 */ + i = errno = (*up->udb_dbp->get)(up->udb_dbp, NULL, + &key, &info, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + if (i != 0 || info.size <= 0) + break; + a->q_owner = sm_rpool_malloc_x(e->e_rpool, + info.size + 1); + memmove(a->q_owner, info.data, info.size); + a->q_owner[info.size] = '\0'; + + /* announce delivery; NORECEIPT bit set later */ + if (e->e_xfp != NULL) + { + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "Message delivered to mailing list %s\n", + a->q_paddr); + } + e->e_flags |= EF_SENDRECEIPT; + a->q_flags |= QDELIVERED|QEXPANDED; + break; +# endif /* NEWDB */ + +# if HESIOD + case UDB_HESIOD: + key.data = keybuf; + key.size = keylen; + if (tTd(28, 80)) + sm_dprintf("udbexpand: trying %s (%d) via hesiod\n", + keybuf, keylen); + /* look up the key via hesiod */ + i = hes_udb_get(&key, &info); + if (i < 0) + { + syserr("udbexpand: hesiod-get %.*s stat %d", + (int) key.size, (char *) key.data, i); + return EX_TEMPFAIL; + } + else if (i > 0 || info.size <= 0) + { +# if HES_GETMAILHOST + struct hes_postoffice *hp; +# endif /* HES_GETMAILHOST */ + + if (tTd(28, 2)) + sm_dprintf("udbexpand: no match on %s (%d)\n", + (char *) keybuf, (int) keylen); +# if HES_GETMAILHOST + if (tTd(28, 8)) + sm_dprintf(" ... trying hes_getmailhost(%s)\n", + a->q_user); + hp = hes_getmailhost(a->q_user); + if (hp == NULL) + { + if (hes_error() == HES_ER_NET) + { + syserr("udbexpand: hesiod-getmail %s stat %d", + a->q_user, hes_error()); + return EX_TEMPFAIL; + } + if (tTd(28, 2)) + sm_dprintf("hes_getmailhost(%s): %d\n", + a->q_user, hes_error()); + break; + } + if (strlen(hp->po_name) + strlen(hp->po_host) > + sizeof pobuf - 2) + { + if (tTd(28, 2)) + sm_dprintf("hes_getmailhost(%s): expansion too long: %.30s@%.30s\n", + a->q_user, + hp->po_name, + hp->po_host); + break; + } + info.data = pobuf; + (void) sm_snprintf(pobuf, sizeof pobuf, + "%s@%s", hp->po_name, hp->po_host); + info.size = strlen(info.data); +# else /* HES_GETMAILHOST */ + break; +# endif /* HES_GETMAILHOST */ + } + if (tTd(28, 80)) + sm_dprintf("udbexpand: match %.*s: %.*s\n", + (int) key.size, (char *) key.data, + (int) info.size, (char *) info.data); + a->q_flags &= ~QSELFREF; + + if (bitset(EF_VRFYONLY, e->e_flags)) + { + a->q_state = QS_VERIFIED; + return EX_OK; + } + + breakout = true; + if (info.size >= usersize) + user = sm_malloc_x(info.size + 1); + memmove(user, info.data, info.size); + user[info.size] = '\0'; + + message("hesioded to %s", user); + if (LogLevel > 10) + sm_syslog(LOG_INFO, e->e_id, + "hesiod %.100s => %s", + e->e_to, + shortenstring(user, MAXSHORTSTR)); + naddrs = sendtolist(user, a, sendq, aliaslevel + 1, e); + + if (naddrs > 0 && !bitset(QSELFREF, a->q_flags)) + { + if (tTd(28, 5)) + { + sm_dprintf("udbexpand: QS_EXPANDED "); + printaddr(sm_debug_file(), a, false); + } + a->q_state = QS_EXPANDED; + } + + /* + ** If this address has a -request address, reflect + ** it into the envelope. + */ + + (void) sm_strlcpyn(keybuf, sizeof keybuf, 2, a->q_user, + ":mailsender"); + keylen = strlen(keybuf); + key.data = keybuf; + key.size = keylen; + i = hes_udb_get(&key, &info); + if (i != 0 || info.size <= 0) + break; + a->q_owner = sm_rpool_malloc_x(e->e_rpool, + info.size + 1); + memmove(a->q_owner, info.data, info.size); + a->q_owner[info.size] = '\0'; + break; +# endif /* HESIOD */ + + case UDB_REMOTE: + /* not yet implemented */ + break; + + case UDB_FORWARD: + if (bitset(EF_VRFYONLY, e->e_flags)) + { + a->q_state = QS_VERIFIED; + return EX_OK; + } + i = strlen(up->udb_fwdhost) + strlen(a->q_user) + 1; + if (i >= usersize) + { + usersize = i + 1; + user = sm_malloc_x(usersize); + } + (void) sm_strlcpyn(user, usersize, 3, + a->q_user, "@", up->udb_fwdhost); + message("expanded to %s", user); + a->q_flags &= ~QSELFREF; + naddrs = sendtolist(user, a, sendq, aliaslevel + 1, e); + if (naddrs > 0 && !bitset(QSELFREF, a->q_flags)) + { + if (tTd(28, 5)) + { + sm_dprintf("udbexpand: QS_EXPANDED "); + printaddr(sm_debug_file(), a, false); + } + a->q_state = QS_EXPANDED; + } + breakout = true; + break; + + case UDB_EOLIST: + breakout = true; + break; + + default: + /* unknown entry type */ + break; + } + /* XXX if an exception occurs, there is a storage leak */ + if (user != userbuf) + sm_free(user); /* XXX */ + } + return EX_OK; +} +/* +** UDBSENDER -- return canonical external name of sender, given local name +** +** Parameters: +** sender -- the name of the sender on the local machine. +** rpool -- resource pool from which to allocate result +** +** Returns: +** The external name for this sender, if derivable from the +** database. Storage allocated from rpool. +** NULL -- if nothing is changed from the database. +** +** Side Effects: +** none. +*/ + +char * +udbsender(sender, rpool) + char *sender; + SM_RPOOL_T *rpool; +{ + return udbmatch(sender, "mailname", rpool); +} +/* +** UDBMATCH -- match user in field, return result of lookup. +** +** Parameters: +** user -- the name of the user. +** field -- the field to lookup. +** rpool -- resource pool from which to allocate result +** +** Returns: +** The external name for this sender, if derivable from the +** database. Storage allocated from rpool. +** NULL -- if nothing is changed from the database. +** +** Side Effects: +** none. +*/ + +static char * +udbmatch(user, field, rpool) + char *user; + char *field; + SM_RPOOL_T *rpool; +{ + register char *p; + register struct udbent *up; + int i; + int keylen; + DBT key, info; + char keybuf[MAXKEY]; + + if (tTd(28, 1)) + sm_dprintf("udbmatch(%s, %s)\n", user, field); + + if (!UdbInitialized) + { + if (_udbx_init(CurEnv) == EX_TEMPFAIL) + return NULL; + } + + /* short circuit if no spec */ + if (UdbSpec == NULL || UdbSpec[0] == '\0') + return NULL; + + /* short circuit name begins with '\\' since it can't possibly match */ + if (user[0] == '\\') + return NULL; + + /* long names can never match and are a pain to deal with */ + i = strlen(field); + if (i < sizeof "maildrop") + i = sizeof "maildrop"; + if ((strlen(user) + i) > sizeof keybuf - 4) + return NULL; + + /* names beginning with colons indicate metadata */ + if (user[0] == ':') + return NULL; + + /* build database key */ + (void) sm_strlcpyn(keybuf, sizeof keybuf, 3, user, ":", field); + keylen = strlen(keybuf); + + for (up = UdbEnts; up->udb_type != UDB_EOLIST; up++) + { + /* + ** Select action based on entry type. + */ + + switch (up->udb_type) + { +# if NEWDB + case UDB_DBFETCH: + memset(&key, '\0', sizeof key); + memset(&info, '\0', sizeof info); + key.data = keybuf; + key.size = keylen; +# if DB_VERSION_MAJOR < 2 + i = (*up->udb_dbp->get)(up->udb_dbp, &key, &info, 0); +# else /* DB_VERSION_MAJOR < 2 */ + i = errno = (*up->udb_dbp->get)(up->udb_dbp, NULL, + &key, &info, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + if (i != 0 || info.size <= 0) + { + if (tTd(28, 2)) + sm_dprintf("udbmatch: no match on %s (%d) via db\n", + keybuf, keylen); + continue; + } + + p = sm_rpool_malloc_x(rpool, info.size + 1); + memmove(p, info.data, info.size); + p[info.size] = '\0'; + if (tTd(28, 1)) + sm_dprintf("udbmatch ==> %s\n", p); + return p; +# endif /* NEWDB */ + +# if HESIOD + case UDB_HESIOD: + key.data = keybuf; + key.size = keylen; + i = hes_udb_get(&key, &info); + if (i != 0 || info.size <= 0) + { + if (tTd(28, 2)) + sm_dprintf("udbmatch: no match on %s (%d) via hesiod\n", + keybuf, keylen); + continue; + } + + p = sm_rpool_malloc_x(rpool, info.size + 1); + memmove(p, info.data, info.size); + p[info.size] = '\0'; + if (tTd(28, 1)) + sm_dprintf("udbmatch ==> %s\n", p); + return p; +# endif /* HESIOD */ + } + } + + if (strcmp(field, "mailname") != 0) + return NULL; + + /* + ** Nothing yet. Search again for a default case. But only + ** use it if we also have a forward (:maildrop) pointer already + ** in the database. + */ + + /* build database key */ + (void) sm_strlcpyn(keybuf, sizeof keybuf, 2, user, ":maildrop"); + keylen = strlen(keybuf); + + for (up = UdbEnts; up->udb_type != UDB_EOLIST; up++) + { + switch (up->udb_type) + { +# if NEWDB + case UDB_DBFETCH: + /* get the default case for this database */ + if (up->udb_default == NULL) + { + memset(&key, '\0', sizeof key); + memset(&info, '\0', sizeof info); + key.data = ":default:mailname"; + key.size = strlen(key.data); +# if DB_VERSION_MAJOR < 2 + i = (*up->udb_dbp->get)(up->udb_dbp, + &key, &info, 0); +# else /* DB_VERSION_MAJOR < 2 */ + i = errno = (*up->udb_dbp->get)(up->udb_dbp, + NULL, &key, + &info, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + if (i != 0 || info.size <= 0) + { + /* no default case */ + up->udb_default = ""; + continue; + } + + /* save the default case */ + up->udb_default = sm_pmalloc_x(info.size + 1); + memmove(up->udb_default, info.data, info.size); + up->udb_default[info.size] = '\0'; + } + else if (up->udb_default[0] == '\0') + continue; + + /* we have a default case -- verify user:maildrop */ + memset(&key, '\0', sizeof key); + memset(&info, '\0', sizeof info); + key.data = keybuf; + key.size = keylen; +# if DB_VERSION_MAJOR < 2 + i = (*up->udb_dbp->get)(up->udb_dbp, &key, &info, 0); +# else /* DB_VERSION_MAJOR < 2 */ + i = errno = (*up->udb_dbp->get)(up->udb_dbp, NULL, + &key, &info, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + if (i != 0 || info.size <= 0) + { + /* nope -- no aliasing for this user */ + continue; + } + + /* they exist -- build the actual address */ + i = strlen(user) + strlen(up->udb_default) + 2; + p = sm_rpool_malloc_x(rpool, i); + (void) sm_strlcpyn(p, i, 3, user, "@", up->udb_default); + if (tTd(28, 1)) + sm_dprintf("udbmatch ==> %s\n", p); + return p; +# endif /* NEWDB */ + +# if HESIOD + case UDB_HESIOD: + /* get the default case for this database */ + if (up->udb_default == NULL) + { + key.data = ":default:mailname"; + key.size = strlen(key.data); + i = hes_udb_get(&key, &info); + + if (i != 0 || info.size <= 0) + { + /* no default case */ + up->udb_default = ""; + continue; + } + + /* save the default case */ + up->udb_default = sm_pmalloc_x(info.size + 1); + memmove(up->udb_default, info.data, info.size); + up->udb_default[info.size] = '\0'; + } + else if (up->udb_default[0] == '\0') + continue; + + /* we have a default case -- verify user:maildrop */ + key.data = keybuf; + key.size = keylen; + i = hes_udb_get(&key, &info); + if (i != 0 || info.size <= 0) + { + /* nope -- no aliasing for this user */ + continue; + } + + /* they exist -- build the actual address */ + i = strlen(user) + strlen(up->udb_default) + 2; + p = sm_rpool_malloc_x(rpool, i); + (void) sm_strlcpyn(p, i, 3, user, "@", up->udb_default); + if (tTd(28, 1)) + sm_dprintf("udbmatch ==> %s\n", p); + return p; + break; +# endif /* HESIOD */ + } + } + + /* still nothing.... too bad */ + return NULL; +} +/* +** UDB_MAP_LOOKUP -- look up arbitrary entry in user database map +** +** Parameters: +** map -- the map being queried. +** name -- the name to look up. +** av -- arguments to the map lookup. +** statp -- to get any error status. +** +** Returns: +** NULL if name not found in map. +** The rewritten name otherwise. +*/ + +/* ARGSUSED3 */ +char * +udb_map_lookup(map, name, av, statp) + MAP *map; + char *name; + char **av; + int *statp; +{ + char *val; + char *key; + char *SM_NONVOLATILE result = NULL; + char keybuf[MAXNAME + 1]; + + if (tTd(28, 20) || tTd(38, 20)) + sm_dprintf("udb_map_lookup(%s, %s)\n", map->map_mname, name); + + if (bitset(MF_NOFOLDCASE, map->map_mflags)) + { + key = name; + } + else + { + int keysize = strlen(name); + + if (keysize > sizeof keybuf - 1) + keysize = sizeof keybuf - 1; + memmove(keybuf, name, keysize); + keybuf[keysize] = '\0'; + makelower(keybuf); + key = keybuf; + } + val = udbmatch(key, map->map_file, NULL); + if (val == NULL) + return NULL; + SM_TRY + if (bitset(MF_MATCHONLY, map->map_mflags)) + result = map_rewrite(map, name, strlen(name), NULL); + else + result = map_rewrite(map, val, strlen(val), av); + SM_FINALLY + sm_free(val); + SM_END_TRY + return result; +} +/* +** _UDBX_INIT -- parse the UDB specification, opening any valid entries. +** +** Parameters: +** e -- the current envelope. +** +** Returns: +** EX_TEMPFAIL -- if it appeared it couldn't get hold of a +** database due to a host being down or some similar +** (recoverable) situation. +** EX_OK -- otherwise. +** +** Side Effects: +** Fills in the UdbEnts structure from UdbSpec. +*/ + +# define MAXUDBOPTS 27 + +static int +_udbx_init(e) + ENVELOPE *e; +{ + int ents = 0; + register char *p; + register struct udbent *up; + + if (UdbInitialized) + return EX_OK; + +# ifdef UDB_DEFAULT_SPEC + if (UdbSpec == NULL) + UdbSpec = UDB_DEFAULT_SPEC; +# endif /* UDB_DEFAULT_SPEC */ + + p = UdbSpec; + up = UdbEnts; + while (p != NULL) + { + char *spec; + int l; + struct udb_option opts[MAXUDBOPTS + 1]; + + while (*p == ' ' || *p == '\t' || *p == ',') + p++; + if (*p == '\0') + break; + spec = p; + p = strchr(p, ','); + if (p != NULL) + *p++ = '\0'; + + if (ents >= MAXUDBENT) + { + syserr("Maximum number of UDB entries exceeded"); + break; + } + + /* extract options */ + (void) _udb_parsespec(spec, opts, MAXUDBOPTS); + + /* + ** Decode database specification. + ** + ** In the sendmail tradition, the leading character + ** defines the semantics of the rest of the entry. + ** + ** @hostname -- forward email to the indicated host. + ** This should be the last in the list, + ** since it always matches the input. + ** /dbname -- search the named database on the local + ** host using the Berkeley db package. + ** Hesiod -- search the named database with BIND + ** using the MIT Hesiod package. + */ + + switch (*spec) + { + case '@': /* forward to remote host */ + up->udb_type = UDB_FORWARD; + up->udb_pid = CurrentPid; + up->udb_fwdhost = spec + 1; + ents++; + up++; + break; + +# if HESIOD + case 'h': /* use hesiod */ + case 'H': + if (sm_strcasecmp(spec, "hesiod") != 0) + goto badspec; + up->udb_type = UDB_HESIOD; + up->udb_pid = CurrentPid; + ents++; + up++; + break; +# endif /* HESIOD */ + +# if NEWDB + case '/': /* look up remote name */ + l = strlen(spec); + if (l > 3 && strcmp(&spec[l - 3], ".db") == 0) + { + up->udb_dbname = spec; + } + else + { + up->udb_dbname = sm_pmalloc_x(l + 4); + (void) sm_strlcpyn(up->udb_dbname, l + 4, 2, + spec, ".db"); + } + errno = 0; +# if DB_VERSION_MAJOR < 2 + up->udb_dbp = dbopen(up->udb_dbname, O_RDONLY, + 0644, DB_BTREE, NULL); +# else /* DB_VERSION_MAJOR < 2 */ + { + int flags = DB_RDONLY; +# if DB_VERSION_MAJOR > 2 + int ret; +# endif /* DB_VERSION_MAJOR > 2 */ + + SM_DB_FLAG_ADD(flags); + up->udb_dbp = NULL; +# if DB_VERSION_MAJOR > 2 + ret = db_create(&up->udb_dbp, NULL, 0); + if (ret != 0) + { + (void) up->udb_dbp->close(up->udb_dbp, + 0); + up->udb_dbp = NULL; + } + else + { + ret = up->udb_dbp->open(up->udb_dbp, + DBTXN + up->udb_dbname, + NULL, + DB_BTREE, + flags, + 0644); + if (ret != 0) + { +#ifdef DB_OLD_VERSION + if (ret == DB_OLD_VERSION) + ret = EINVAL; +#endif /* DB_OLD_VERSION */ + (void) up->udb_dbp->close(up->udb_dbp, 0); + up->udb_dbp = NULL; + } + } + errno = ret; +# else /* DB_VERSION_MAJOR > 2 */ + errno = db_open(up->udb_dbname, DB_BTREE, + flags, 0644, NULL, + NULL, &up->udb_dbp); +# endif /* DB_VERSION_MAJOR > 2 */ + } +# endif /* DB_VERSION_MAJOR < 2 */ + if (up->udb_dbp == NULL) + { + if (tTd(28, 1)) + { + int save_errno = errno; + +# if DB_VERSION_MAJOR < 2 + sm_dprintf("dbopen(%s): %s\n", +# else /* DB_VERSION_MAJOR < 2 */ + sm_dprintf("db_open(%s): %s\n", +# endif /* DB_VERSION_MAJOR < 2 */ + up->udb_dbname, + sm_errstring(errno)); + errno = save_errno; + } + if (errno != ENOENT && errno != EACCES) + { + if (LogLevel > 2) + sm_syslog(LOG_ERR, e->e_id, +# if DB_VERSION_MAJOR < 2 + "dbopen(%s): %s", +# else /* DB_VERSION_MAJOR < 2 */ + "db_open(%s): %s", +# endif /* DB_VERSION_MAJOR < 2 */ + up->udb_dbname, + sm_errstring(errno)); + up->udb_type = UDB_EOLIST; + if (up->udb_dbname != spec) + sm_free(up->udb_dbname); /* XXX */ + goto tempfail; + } + if (up->udb_dbname != spec) + sm_free(up->udb_dbname); /* XXX */ + break; + } + if (tTd(28, 1)) + { +# if DB_VERSION_MAJOR < 2 + sm_dprintf("_udbx_init: dbopen(%s)\n", +# else /* DB_VERSION_MAJOR < 2 */ + sm_dprintf("_udbx_init: db_open(%s)\n", +# endif /* DB_VERSION_MAJOR < 2 */ + up->udb_dbname); + } + up->udb_type = UDB_DBFETCH; + up->udb_pid = CurrentPid; + ents++; + up++; + break; +# endif /* NEWDB */ + + default: +# if HESIOD +badspec: +# endif /* HESIOD */ + syserr("Unknown UDB spec %s", spec); + break; + } + } + up->udb_type = UDB_EOLIST; + + if (tTd(28, 4)) + { + for (up = UdbEnts; up->udb_type != UDB_EOLIST; up++) + { + switch (up->udb_type) + { + case UDB_REMOTE: + sm_dprintf("REMOTE: addr %s, timeo %d\n", + anynet_ntoa((SOCKADDR *) &up->udb_addr), + up->udb_timeout); + break; + + case UDB_DBFETCH: +# if NEWDB + sm_dprintf("FETCH: file %s\n", + up->udb_dbname); +# else /* NEWDB */ + sm_dprintf("FETCH\n"); +# endif /* NEWDB */ + break; + + case UDB_FORWARD: + sm_dprintf("FORWARD: host %s\n", + up->udb_fwdhost); + break; + + case UDB_HESIOD: + sm_dprintf("HESIOD\n"); + break; + + default: + sm_dprintf("UNKNOWN\n"); + break; + } + } + } + + UdbInitialized = true; + errno = 0; + return EX_OK; + + /* + ** On temporary failure, back out anything we've already done + */ + + tempfail: +# if NEWDB + for (up = UdbEnts; up->udb_type != UDB_EOLIST; up++) + { + if (up->udb_type == UDB_DBFETCH) + { +# if DB_VERSION_MAJOR < 2 + (*up->udb_dbp->close)(up->udb_dbp); +# else /* DB_VERSION_MAJOR < 2 */ + errno = (*up->udb_dbp->close)(up->udb_dbp, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + if (tTd(28, 1)) + sm_dprintf("_udbx_init: db->close(%s)\n", + up->udb_dbname); + } + } +# endif /* NEWDB */ + return EX_TEMPFAIL; +} + +static int +_udb_parsespec(udbspec, opt, maxopts) + char *udbspec; + struct udb_option opt[]; + int maxopts; +{ + register char *spec; + register char *spec_end; + register int optnum; + + spec_end = strchr(udbspec, ':'); + for (optnum = 0; optnum < maxopts && (spec = spec_end) != NULL; optnum++) + { + register char *p; + + while (isascii(*spec) && isspace(*spec)) + spec++; + spec_end = strchr(spec, ':'); + if (spec_end != NULL) + *spec_end++ = '\0'; + + opt[optnum].udbo_name = spec; + opt[optnum].udbo_val = NULL; + p = strchr(spec, '='); + if (p != NULL) + opt[optnum].udbo_val = ++p; + } + return optnum; +} +/* +** _UDBX_CLOSE -- close all file based UDB entries. +** +** Parameters: +** none +** +** Returns: +** none +*/ +void +_udbx_close() +{ + struct udbent *up; + + if (!UdbInitialized) + return; + + for (up = UdbEnts; up->udb_type != UDB_EOLIST; up++) + { + if (up->udb_pid != CurrentPid) + continue; + +# if NEWDB + if (up->udb_type == UDB_DBFETCH) + { +# if DB_VERSION_MAJOR < 2 + (*up->udb_dbp->close)(up->udb_dbp); +# else /* DB_VERSION_MAJOR < 2 */ + errno = (*up->udb_dbp->close)(up->udb_dbp, 0); +# endif /* DB_VERSION_MAJOR < 2 */ + } + if (tTd(28, 1)) + sm_dprintf("_udbx_init: db->close(%s)\n", + up->udb_dbname); +# endif /* NEWDB */ + } +} + +# if HESIOD + +static int +hes_udb_get(key, info) + DBT *key; + DBT *info; +{ + char *name, *type; + char **hp; + char kbuf[MAXKEY + 1]; + + if (sm_strlcpy(kbuf, key->data, sizeof kbuf) >= sizeof kbuf) + return 0; + name = kbuf; + type = strrchr(name, ':'); + if (type == NULL) + return 1; + *type++ = '\0'; + if (strchr(name, '@') != NULL) + return 1; + + if (tTd(28, 1)) + sm_dprintf("hes_udb_get(%s, %s)\n", name, type); + + /* make the hesiod query */ +# ifdef HESIOD_INIT + if (HesiodContext == NULL && hesiod_init(&HesiodContext) != 0) + return -1; + hp = hesiod_resolve(HesiodContext, name, type); +# else /* HESIOD_INIT */ + hp = hes_resolve(name, type); +# endif /* HESIOD_INIT */ + *--type = ':'; +# ifdef HESIOD_INIT + if (hp == NULL) + return 1; + if (*hp == NULL) + { + hesiod_free_list(HesiodContext, hp); + if (errno == ECONNREFUSED || errno == EMSGSIZE) + return -1; + return 1; + } +# else /* HESIOD_INIT */ + if (hp == NULL || hp[0] == NULL) + { + /* network problem or timeout */ + if (hes_error() == HES_ER_NET) + return -1; + + return 1; + } +# endif /* HESIOD_INIT */ + else + { + /* + ** If there are multiple matches, just return the + ** first one. + ** + ** XXX These should really be returned; for example, + ** XXX it is legal for :maildrop to be multi-valued. + */ + + info->data = hp[0]; + info->size = (size_t) strlen(info->data); + } + + if (tTd(28, 80)) + sm_dprintf("hes_udb_get => %s\n", *hp); + + return 0; +} +# endif /* HESIOD */ + +#else /* USERDB */ + +int +udbexpand(a, sendq, aliaslevel, e) + ADDRESS *a; + ADDRESS **sendq; + int aliaslevel; + ENVELOPE *e; +{ + return EX_OK; +} + +#endif /* USERDB */ diff --git a/contrib/sendmail-8.13.4/sendmail/usersmtp.c b/contrib/sendmail-8.13.4/sendmail/usersmtp.c new file mode 100644 index 0000000000..bd3de97104 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/usersmtp.c @@ -0,0 +1,3354 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: usersmtp.c,v 8.463 2005/03/16 00:36:09 ca Exp $") + +#include + + +static void datatimeout __P((int)); +static void esmtp_check __P((char *, bool, MAILER *, MCI *, ENVELOPE *)); +static void helo_options __P((char *, bool, MAILER *, MCI *, ENVELOPE *)); +static int smtprcptstat __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *)); + +#if SASL +extern void *sm_sasl_malloc __P((unsigned long)); +extern void sm_sasl_free __P((void *)); +#endif /* SASL */ + +/* +** USERSMTP -- run SMTP protocol from the user end. +** +** This protocol is described in RFC821. +*/ + +#define REPLYTYPE(r) ((r) / 100) /* first digit of reply code */ +#define REPLYCLASS(r) (((r) / 10) % 10) /* second digit of reply code */ +#define SMTPCLOSING 421 /* "Service Shutting Down" */ + +#define ENHSCN(e, d) ((e) == NULL ? (d) : (e)) + +#define ENHSCN_RPOOL(e, d, rpool) \ + ((e) == NULL ? (d) : sm_rpool_strdup_x(rpool, e)) + +static char SmtpMsgBuffer[MAXLINE]; /* buffer for commands */ +static char SmtpReplyBuffer[MAXLINE]; /* buffer for replies */ +static bool SmtpNeedIntro; /* need "while talking" in transcript */ +/* +** SMTPINIT -- initialize SMTP. +** +** Opens the connection and sends the initial protocol. +** +** Parameters: +** m -- mailer to create connection to. +** mci -- the mailer connection info. +** e -- the envelope. +** onlyhelo -- send only helo command? +** +** Returns: +** none. +** +** Side Effects: +** creates connection and sends initial protocol. +*/ + +void +smtpinit(m, mci, e, onlyhelo) + MAILER *m; + register MCI *mci; + ENVELOPE *e; + bool onlyhelo; +{ + register int r; + int state; + register char *p; + register char *hn; + char *enhsc; + + enhsc = NULL; + if (tTd(18, 1)) + { + sm_dprintf("smtpinit "); + mci_dump(sm_debug_file(), mci, false); + } + + /* + ** Open the connection to the mailer. + */ + + SmtpError[0] = '\0'; + SmtpMsgBuffer[0] = '\0'; + CurHostName = mci->mci_host; /* XXX UGLY XXX */ + if (CurHostName == NULL) + CurHostName = MyHostName; + SmtpNeedIntro = true; + state = mci->mci_state; + switch (state) + { + case MCIS_MAIL: + case MCIS_RCPT: + case MCIS_DATA: + /* need to clear old information */ + smtprset(m, mci, e); + /* FALLTHROUGH */ + + case MCIS_OPEN: + if (!onlyhelo) + return; + break; + + case MCIS_ERROR: + case MCIS_QUITING: + case MCIS_SSD: + /* shouldn't happen */ + smtpquit(m, mci, e); + /* FALLTHROUGH */ + + case MCIS_CLOSED: + syserr("451 4.4.0 smtpinit: state CLOSED (was %d)", state); + return; + + case MCIS_OPENING: + break; + } + if (onlyhelo) + goto helo; + + mci->mci_state = MCIS_OPENING; + clrsessenvelope(e); + + /* + ** Get the greeting message. + ** This should appear spontaneously. Give it five minutes to + ** happen. + */ + + SmtpPhase = mci->mci_phase = "client greeting"; + sm_setproctitle(true, e, "%s %s: %s", + qid_printname(e), CurHostName, mci->mci_phase); + r = reply(m, mci, e, TimeOuts.to_initial, esmtp_check, NULL, + XS_DEFAULT); + if (r < 0) + goto tempfail1; + if (REPLYTYPE(r) == 4) + goto tempfail2; + if (REPLYTYPE(r) != 2) + goto unavailable; + + /* + ** Send the HELO command. + ** My mother taught me to always introduce myself. + */ + +helo: + if (bitnset(M_ESMTP, m->m_flags) || bitnset(M_LMTP, m->m_flags)) + mci->mci_flags |= MCIF_ESMTP; + hn = mci->mci_heloname ? mci->mci_heloname : MyHostName; + +tryhelo: +#if _FFR_IGNORE_EXT_ON_HELO + mci->mci_flags &= ~MCIF_HELO; +#endif /* _FFR_IGNORE_EXT_ON_HELO */ + if (bitnset(M_LMTP, m->m_flags)) + { + smtpmessage("LHLO %s", m, mci, hn); + SmtpPhase = mci->mci_phase = "client LHLO"; + } + else if (bitset(MCIF_ESMTP, mci->mci_flags) && + !bitnset(M_FSMTP, m->m_flags)) + { + smtpmessage("EHLO %s", m, mci, hn); + SmtpPhase = mci->mci_phase = "client EHLO"; + } + else + { + smtpmessage("HELO %s", m, mci, hn); + SmtpPhase = mci->mci_phase = "client HELO"; +#if _FFR_IGNORE_EXT_ON_HELO + mci->mci_flags |= MCIF_HELO; +#endif /* _FFR_IGNORE_EXT_ON_HELO */ + } + sm_setproctitle(true, e, "%s %s: %s", qid_printname(e), + CurHostName, mci->mci_phase); + r = reply(m, mci, e, + bitnset(M_LMTP, m->m_flags) ? TimeOuts.to_lhlo + : TimeOuts.to_helo, + helo_options, NULL, XS_DEFAULT); + if (r < 0) + goto tempfail1; + else if (REPLYTYPE(r) == 5) + { + if (bitset(MCIF_ESMTP, mci->mci_flags) && + !bitnset(M_LMTP, m->m_flags)) + { + /* try old SMTP instead */ + mci->mci_flags &= ~MCIF_ESMTP; + goto tryhelo; + } + goto unavailable; + } + else if (REPLYTYPE(r) != 2) + goto tempfail2; + + /* + ** Check to see if we actually ended up talking to ourself. + ** This means we didn't know about an alias or MX, or we managed + ** to connect to an echo server. + */ + + p = strchr(&SmtpReplyBuffer[4], ' '); + if (p != NULL) + *p = '\0'; + if (!bitnset(M_NOLOOPCHECK, m->m_flags) && + !bitnset(M_LMTP, m->m_flags) && + sm_strcasecmp(&SmtpReplyBuffer[4], MyHostName) == 0) + { + syserr("553 5.3.5 %s config error: mail loops back to me (MX problem?)", + CurHostName); + mci_setstat(mci, EX_CONFIG, "5.3.5", + "553 5.3.5 system config error"); + mci->mci_errno = 0; + smtpquit(m, mci, e); + return; + } + + /* + ** If this is expected to be another sendmail, send some internal + ** commands. + ** If we're running as MSP, "propagate" -v flag if possible. + */ + + if ((UseMSP && Verbose && bitset(MCIF_VERB, mci->mci_flags)) +# if !_FFR_DEPRECATE_MAILER_FLAG_I + || bitnset(M_INTERNAL, m->m_flags) +# endif /* !_FFR_DEPRECATE_MAILER_FLAG_I */ + ) + { + /* tell it to be verbose */ + smtpmessage("VERB", m, mci); + r = reply(m, mci, e, TimeOuts.to_miscshort, NULL, &enhsc, + XS_DEFAULT); + if (r < 0) + goto tempfail1; + } + + if (mci->mci_state != MCIS_CLOSED) + { + mci->mci_state = MCIS_OPEN; + return; + } + + /* got a 421 error code during startup */ + + tempfail1: + mci_setstat(mci, EX_TEMPFAIL, ENHSCN(enhsc, "4.4.2"), NULL); + if (mci->mci_state != MCIS_CLOSED) + smtpquit(m, mci, e); + return; + + tempfail2: + /* XXX should use code from other end iff ENHANCEDSTATUSCODES */ + mci_setstat(mci, EX_TEMPFAIL, ENHSCN(enhsc, "4.5.0"), + SmtpReplyBuffer); + if (mci->mci_state != MCIS_CLOSED) + smtpquit(m, mci, e); + return; + + unavailable: + mci_setstat(mci, EX_UNAVAILABLE, "5.5.0", SmtpReplyBuffer); + smtpquit(m, mci, e); + return; +} +/* +** ESMTP_CHECK -- check to see if this implementation likes ESMTP protocol +** +** Parameters: +** line -- the response line. +** firstline -- set if this is the first line of the reply. +** m -- the mailer. +** mci -- the mailer connection info. +** e -- the envelope. +** +** Returns: +** none. +*/ + +static void +esmtp_check(line, firstline, m, mci, e) + char *line; + bool firstline; + MAILER *m; + register MCI *mci; + ENVELOPE *e; +{ + if (strstr(line, "ESMTP") != NULL) + mci->mci_flags |= MCIF_ESMTP; + + /* + ** Dirty hack below. Quoting the author: + ** This was a response to people who wanted SMTP transmission to be + ** just-send-8 by default. Essentially, you could put this tag into + ** your greeting message to behave as though the F=8 flag was set on + ** the mailer. + */ + + if (strstr(line, "8BIT-OK") != NULL) + mci->mci_flags |= MCIF_8BITOK; +} + +#if SASL +/* specify prototype so compiler can check calls */ +static char *str_union __P((char *, char *, SM_RPOOL_T *)); + +/* +** STR_UNION -- create the union of two lists +** +** Parameters: +** s1, s2 -- lists of items (separated by single blanks). +** rpool -- resource pool from which result is allocated. +** +** Returns: +** the union of both lists. +*/ + +static char * +str_union(s1, s2, rpool) + char *s1, *s2; + SM_RPOOL_T *rpool; +{ + char *hr, *h1, *h, *res; + int l1, l2, rl; + + if (s1 == NULL || *s1 == '\0') + return s2; + if (s2 == NULL || *s2 == '\0') + return s1; + l1 = strlen(s1); + l2 = strlen(s2); + rl = l1 + l2; + res = (char *) sm_rpool_malloc(rpool, rl + 2); + if (res == NULL) + { + if (l1 > l2) + return s1; + return s2; + } + (void) sm_strlcpy(res, s1, rl); + hr = res + l1; + h1 = s2; + h = s2; + + /* walk through s2 */ + while (h != NULL && *h1 != '\0') + { + /* is there something after the current word? */ + if ((h = strchr(h1, ' ')) != NULL) + *h = '\0'; + l1 = strlen(h1); + + /* does the current word appear in s1 ? */ + if (iteminlist(h1, s1, " ") == NULL) + { + /* add space as delimiter */ + *hr++ = ' '; + + /* copy the item */ + memcpy(hr, h1, l1); + + /* advance pointer in result list */ + hr += l1; + *hr = '\0'; + } + if (h != NULL) + { + /* there are more items */ + *h = ' '; + h1 = h + 1; + } + } + return res; +} +#endif /* SASL */ + +/* +** HELO_OPTIONS -- process the options on a HELO line. +** +** Parameters: +** line -- the response line. +** firstline -- set if this is the first line of the reply. +** m -- the mailer. +** mci -- the mailer connection info. +** e -- the envelope (unused). +** +** Returns: +** none. +*/ + +static void +helo_options(line, firstline, m, mci, e) + char *line; + bool firstline; + MAILER *m; + register MCI *mci; + ENVELOPE *e; +{ + register char *p; +#if _FFR_IGNORE_EXT_ON_HELO + static bool logged = false; +#endif /* _FFR_IGNORE_EXT_ON_HELO */ + + if (firstline) + { +#if SASL + mci->mci_saslcap = NULL; +#endif /* SASL */ +#if _FFR_IGNORE_EXT_ON_HELO + logged = false; +#endif /* _FFR_IGNORE_EXT_ON_HELO */ + return; + } +#if _FFR_IGNORE_EXT_ON_HELO + else if (bitset(MCIF_HELO, mci->mci_flags)) + { + if (LogLevel > 8 && !logged) + { + sm_syslog(LOG_WARNING, NOQID, + "server=%s [%s] returned extensions despite HELO command", + macvalue(macid("{server_name}"), e), + macvalue(macid("{server_addr}"), e)); + logged = true; + } + return; + } +#endif /* _FFR_IGNORE_EXT_ON_HELO */ + + if (strlen(line) < 5) + return; + line += 4; + p = strpbrk(line, " ="); + if (p != NULL) + *p++ = '\0'; + if (sm_strcasecmp(line, "size") == 0) + { + mci->mci_flags |= MCIF_SIZE; + if (p != NULL) + mci->mci_maxsize = atol(p); + } + else if (sm_strcasecmp(line, "8bitmime") == 0) + { + mci->mci_flags |= MCIF_8BITMIME; + mci->mci_flags &= ~MCIF_7BIT; + } + else if (sm_strcasecmp(line, "expn") == 0) + mci->mci_flags |= MCIF_EXPN; + else if (sm_strcasecmp(line, "dsn") == 0) + mci->mci_flags |= MCIF_DSN; + else if (sm_strcasecmp(line, "enhancedstatuscodes") == 0) + mci->mci_flags |= MCIF_ENHSTAT; + else if (sm_strcasecmp(line, "pipelining") == 0) + mci->mci_flags |= MCIF_PIPELINED; + else if (sm_strcasecmp(line, "verb") == 0) + mci->mci_flags |= MCIF_VERB; +#if STARTTLS + else if (sm_strcasecmp(line, "starttls") == 0) + mci->mci_flags |= MCIF_TLS; +#endif /* STARTTLS */ + else if (sm_strcasecmp(line, "deliverby") == 0) + { + mci->mci_flags |= MCIF_DLVR_BY; + if (p != NULL) + mci->mci_min_by = atol(p); + } +#if SASL + else if (sm_strcasecmp(line, "auth") == 0) + { + if (p != NULL && *p != '\0') + { + if (mci->mci_saslcap != NULL) + { + /* + ** Create the union with previous auth + ** offerings because we recognize "auth " + ** and "auth=" (old format). + */ + + mci->mci_saslcap = str_union(mci->mci_saslcap, + p, mci->mci_rpool); + mci->mci_flags |= MCIF_AUTH; + } + else + { + int l; + + l = strlen(p) + 1; + mci->mci_saslcap = (char *) + sm_rpool_malloc(mci->mci_rpool, l); + if (mci->mci_saslcap != NULL) + { + (void) sm_strlcpy(mci->mci_saslcap, p, + l); + mci->mci_flags |= MCIF_AUTH; + } + } + } + } +#endif /* SASL */ +} +#if SASL + +static int getsimple __P((void *, int, const char **, unsigned *)); +static int getsecret __P((sasl_conn_t *, void *, int, sasl_secret_t **)); +static int saslgetrealm __P((void *, int, const char **, const char **)); +static int readauth __P((char *, bool, SASL_AI_T *m, SM_RPOOL_T *)); +static int getauth __P((MCI *, ENVELOPE *, SASL_AI_T *)); +static char *removemech __P((char *, char *, SM_RPOOL_T *)); +static int attemptauth __P((MAILER *, MCI *, ENVELOPE *, SASL_AI_T *)); + +static sasl_callback_t callbacks[] = +{ + { SASL_CB_GETREALM, &saslgetrealm, NULL }, +#define CB_GETREALM_IDX 0 + { SASL_CB_PASS, &getsecret, NULL }, +#define CB_PASS_IDX 1 + { SASL_CB_USER, &getsimple, NULL }, +#define CB_USER_IDX 2 + { SASL_CB_AUTHNAME, &getsimple, NULL }, +#define CB_AUTHNAME_IDX 3 + { SASL_CB_VERIFYFILE, &safesaslfile, NULL }, +#define CB_SAFESASL_IDX 4 + { SASL_CB_LIST_END, NULL, NULL } +}; + +/* +** INIT_SASL_CLIENT -- initialize client side of Cyrus-SASL +** +** Parameters: +** none. +** +** Returns: +** SASL_OK -- if successful. +** SASL error code -- otherwise. +** +** Side Effects: +** checks/sets sasl_clt_init. +*/ + +static bool sasl_clt_init = false; + +static int +init_sasl_client() +{ + int result; + + if (sasl_clt_init) + return SASL_OK; + result = sasl_client_init(callbacks); + + /* should we retry later again or just remember that it failed? */ + if (result == SASL_OK) + sasl_clt_init = true; + return result; +} +/* +** STOP_SASL_CLIENT -- shutdown client side of Cyrus-SASL +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** checks/sets sasl_clt_init. +*/ + +void +stop_sasl_client() +{ + if (!sasl_clt_init) + return; + sasl_clt_init = false; + sasl_done(); +} +/* +** GETSASLDATA -- process the challenges from the SASL protocol +** +** This gets the relevant sasl response data out of the reply +** from the server. +** +** Parameters: +** line -- the response line. +** firstline -- set if this is the first line of the reply. +** m -- the mailer. +** mci -- the mailer connection info. +** e -- the envelope (unused). +** +** Returns: +** none. +*/ + +static void getsasldata __P((char *, bool, MAILER *, MCI *, ENVELOPE *)); + +static void +getsasldata(line, firstline, m, mci, e) + char *line; + bool firstline; + MAILER *m; + register MCI *mci; + ENVELOPE *e; +{ + int len; + int result; +# if SASL < 20000 + char *out; +# endif /* SASL < 20000 */ + + /* if not a continue we don't care about it */ + len = strlen(line); + if ((len <= 4) || + (line[0] != '3') || + !isascii(line[1]) || !isdigit(line[1]) || + !isascii(line[2]) || !isdigit(line[2])) + { + SM_FREE_CLR(mci->mci_sasl_string); + return; + } + + /* forget about "334 " */ + line += 4; + len -= 4; +# if SASL >= 20000 + /* XXX put this into a macro/function? It's duplicated below */ + if (mci->mci_sasl_string != NULL) + { + if (mci->mci_sasl_string_len <= len) + { + sm_free(mci->mci_sasl_string); /* XXX */ + mci->mci_sasl_string = xalloc(len + 1); + } + } + else + mci->mci_sasl_string = xalloc(len + 1); + + result = sasl_decode64(line, len, mci->mci_sasl_string, len + 1, + (unsigned int *) &mci->mci_sasl_string_len); + if (result != SASL_OK) + { + mci->mci_sasl_string_len = 0; + *mci->mci_sasl_string = '\0'; + } +# else /* SASL >= 20000 */ + out = (char *) sm_rpool_malloc_x(mci->mci_rpool, len + 1); + result = sasl_decode64(line, len, out, (unsigned int *) &len); + if (result != SASL_OK) + { + len = 0; + *out = '\0'; + } + + /* + ** mci_sasl_string is "shared" with Cyrus-SASL library; hence + ** it can't be in an rpool unless we use the same memory + ** management mechanism (with same rpool!) for Cyrus SASL. + */ + + if (mci->mci_sasl_string != NULL) + { + if (mci->mci_sasl_string_len <= len) + { + sm_free(mci->mci_sasl_string); /* XXX */ + mci->mci_sasl_string = xalloc(len + 1); + } + } + else + mci->mci_sasl_string = xalloc(len + 1); + + memcpy(mci->mci_sasl_string, out, len); + mci->mci_sasl_string[len] = '\0'; + mci->mci_sasl_string_len = len; +# endif /* SASL >= 20000 */ + return; +} +/* +** READAUTH -- read auth values from a file +** +** Parameters: +** filename -- name of file to read. +** safe -- if set, this is a safe read. +** sai -- where to store auth_info. +** rpool -- resource pool for sai. +** +** Returns: +** EX_OK -- data succesfully read. +** EX_UNAVAILABLE -- no valid filename. +** EX_TEMPFAIL -- temporary failure. +*/ + +static char *sasl_info_name[] = +{ + "user id", + "authentication id", + "password", + "realm", + "mechlist" +}; +static int +readauth(filename, safe, sai, rpool) + char *filename; + bool safe; + SASL_AI_T *sai; + SM_RPOOL_T *rpool; +{ + SM_FILE_T *f; + long sff; + pid_t pid; + int lc; + char *s; + char buf[MAXLINE]; + + if (filename == NULL || filename[0] == '\0') + return EX_UNAVAILABLE; + +#if !_FFR_ALLOW_SASLINFO + /* + ** make sure we don't use a program that is not + ** accesible to the user who specified a different authinfo file. + ** However, currently we don't pass this info (authinfo file + ** specified by user) around, so we just turn off program access. + */ + + if (filename[0] == '|') + { + auto int fd; + int i; + char *p; + char *argv[MAXPV + 1]; + + i = 0; + for (p = strtok(&filename[1], " \t"); p != NULL; + p = strtok(NULL, " \t")) + { + if (i >= MAXPV) + break; + argv[i++] = p; + } + argv[i] = NULL; + pid = prog_open(argv, &fd, CurEnv); + if (pid < 0) + f = NULL; + else + f = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &fd, SM_IO_RDONLY, NULL); + } + else +#endif /* !_FFR_ALLOW_SASLINFO */ + { + pid = -1; + sff = SFF_REGONLY|SFF_SAFEDIRPATH|SFF_NOWLINK + |SFF_NOGWFILES|SFF_NOWWFILES|SFF_NOWRFILES; +# if _FFR_GROUPREADABLEAUTHINFOFILE + if (!bitnset(DBS_GROUPREADABLEAUTHINFOFILE, DontBlameSendmail)) +# endif /* _FFR_GROUPREADABLEAUTHINFOFILE */ + sff |= SFF_NOGRFILES; + if (DontLockReadFiles) + sff |= SFF_NOLOCK; + +#if _FFR_ALLOW_SASLINFO + /* + ** XXX: make sure we don't read or open files that are not + ** accesible to the user who specified a different authinfo + ** file. + */ + + sff |= SFF_MUSTOWN; +#else /* _FFR_ALLOW_SASLINFO */ + if (safe) + sff |= SFF_OPENASROOT; +#endif /* _FFR_ALLOW_SASLINFO */ + + f = safefopen(filename, O_RDONLY, 0, sff); + } + if (f == NULL) + { + if (LogLevel > 5) + sm_syslog(LOG_ERR, NOQID, + "AUTH=client, error: can't open %s: %s", + filename, sm_errstring(errno)); + return EX_TEMPFAIL; + } + + lc = 0; + while (lc <= SASL_MECHLIST && + sm_io_fgets(f, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) + { + if (buf[0] != '#') + { + (*sai)[lc] = sm_rpool_strdup_x(rpool, buf); + if ((s = strchr((*sai)[lc], '\n')) != NULL) + *s = '\0'; + lc++; + } + } + + (void) sm_io_close(f, SM_TIME_DEFAULT); + if (pid > 0) + (void) waitfor(pid); + if (lc < SASL_PASSWORD) + { + if (LogLevel > 8) + sm_syslog(LOG_ERR, NOQID, + "AUTH=client, error: can't read %s from %s", + sasl_info_name[lc + 1], filename); + return EX_TEMPFAIL; + } + return EX_OK; +} + +/* +** GETAUTH -- get authinfo from ruleset call +** +** {server_name}, {server_addr} must be set +** +** Parameters: +** mci -- the mailer connection structure. +** e -- the envelope (including the sender to specify). +** sai -- pointer to authinfo (result). +** +** Returns: +** EX_OK -- ruleset was succesfully called, data may not +** be available, sai must be checked. +** EX_UNAVAILABLE -- ruleset unavailable (or failed). +** EX_TEMPFAIL -- temporary failure (from ruleset). +** +** Side Effects: +** Fills in sai if successful. +*/ + +static int +getauth(mci, e, sai) + MCI *mci; + ENVELOPE *e; + SASL_AI_T *sai; +{ + int i, r, l, got, ret; + char **pvp; + char pvpbuf[PSBUFSIZE]; + + r = rscap("authinfo", macvalue(macid("{server_name}"), e), + macvalue(macid("{server_addr}"), e), e, + &pvp, pvpbuf, sizeof(pvpbuf)); + + if (r != EX_OK) + return EX_UNAVAILABLE; + + /* other than expected return value: ok (i.e., no auth) */ + if (pvp == NULL || pvp[0] == NULL || (pvp[0][0] & 0377) != CANONNET) + return EX_OK; + if (pvp[1] != NULL && sm_strncasecmp(pvp[1], "temp", 4) == 0) + return EX_TEMPFAIL; + + /* + ** parse the data, put it into sai + ** format: "TDstring" (including the '"' !) + ** where T is a tag: 'U', ... + ** D is a delimiter: ':' or '=' + */ + + ret = EX_OK; /* default return value */ + i = 0; + got = 0; + while (i < SASL_ENTRIES) + { + if (pvp[i + 1] == NULL) + break; + if (pvp[i + 1][0] != '"') + break; + switch (pvp[i + 1][1]) + { + case 'U': + case 'u': + r = SASL_USER; + break; + case 'I': + case 'i': + r = SASL_AUTHID; + break; + case 'P': + case 'p': + r = SASL_PASSWORD; + break; + case 'R': + case 'r': + r = SASL_DEFREALM; + break; + case 'M': + case 'm': + r = SASL_MECHLIST; + break; + default: + goto fail; + } + l = strlen(pvp[i + 1]); + + /* check syntax */ + if (l <= 3 || pvp[i + 1][l - 1] != '"') + goto fail; + + /* remove closing quote */ + pvp[i + 1][l - 1] = '\0'; + + /* remove "TD and " */ + l -= 4; + (*sai)[r] = (char *) sm_rpool_malloc(mci->mci_rpool, l + 1); + if ((*sai)[r] == NULL) + goto tempfail; + if (pvp[i + 1][2] == ':') + { + /* ':text' (just copy) */ + (void) sm_strlcpy((*sai)[r], pvp[i + 1] + 3, l + 1); + got |= 1 << r; + } + else if (pvp[i + 1][2] == '=') + { + unsigned int len; + + /* '=base64' (decode) */ +# if SASL >= 20000 + ret = sasl_decode64(pvp[i + 1] + 3, + (unsigned int) l, (*sai)[r], + (unsigned int) l + 1, &len); +# else /* SASL >= 20000 */ + ret = sasl_decode64(pvp[i + 1] + 3, + (unsigned int) l, (*sai)[r], &len); +# endif /* SASL >= 20000 */ + if (ret != SASL_OK) + goto fail; + got |= 1 << r; + } + else + goto fail; + if (tTd(95, 5)) + sm_syslog(LOG_DEBUG, NOQID, "getauth %s=%s", + sasl_info_name[r], (*sai)[r]); + ++i; + } + + /* did we get the expected data? */ + /* XXX: EXTERNAL mechanism only requires (and only uses) SASL_USER */ + if (!(bitset(SASL_USER_BIT|SASL_AUTHID_BIT, got) && + bitset(SASL_PASSWORD_BIT, got))) + goto fail; + + /* no authid? copy uid */ + if (!bitset(SASL_AUTHID_BIT, got)) + { + l = strlen((*sai)[SASL_USER]) + 1; + (*sai)[SASL_AUTHID] = (char *) sm_rpool_malloc(mci->mci_rpool, + l + 1); + if ((*sai)[SASL_AUTHID] == NULL) + goto tempfail; + (void) sm_strlcpy((*sai)[SASL_AUTHID], (*sai)[SASL_USER], l); + } + + /* no uid? copy authid */ + if (!bitset(SASL_USER_BIT, got)) + { + l = strlen((*sai)[SASL_AUTHID]) + 1; + (*sai)[SASL_USER] = (char *) sm_rpool_malloc(mci->mci_rpool, + l + 1); + if ((*sai)[SASL_USER] == NULL) + goto tempfail; + (void) sm_strlcpy((*sai)[SASL_USER], (*sai)[SASL_AUTHID], l); + } + return EX_OK; + + tempfail: + ret = EX_TEMPFAIL; + fail: + if (LogLevel > 8) + sm_syslog(LOG_WARNING, NOQID, + "AUTH=client, relay=%.64s [%.16s], authinfo %sfailed", + macvalue(macid("{server_name}"), e), + macvalue(macid("{server_addr}"), e), + ret == EX_TEMPFAIL ? "temp" : ""); + for (i = 0; i <= SASL_MECHLIST; i++) + (*sai)[i] = NULL; /* just clear; rpool */ + return ret; +} + +# if SASL >= 20000 +/* +** GETSIMPLE -- callback to get userid or authid +** +** Parameters: +** context -- sai +** id -- what to do +** result -- (pointer to) result +** len -- (pointer to) length of result +** +** Returns: +** OK/failure values +*/ + +static int +getsimple(context, id, result, len) + void *context; + int id; + const char **result; + unsigned *len; +{ + SASL_AI_T *sai; + + if (result == NULL || context == NULL) + return SASL_BADPARAM; + sai = (SASL_AI_T *) context; + + switch (id) + { + case SASL_CB_USER: + *result = (*sai)[SASL_USER]; + if (tTd(95, 5)) + sm_syslog(LOG_DEBUG, NOQID, "AUTH username '%s'", + *result); + if (len != NULL) + *len = *result != NULL ? strlen(*result) : 0; + break; + + case SASL_CB_AUTHNAME: + *result = (*sai)[SASL_AUTHID]; + if (tTd(95, 5)) + sm_syslog(LOG_DEBUG, NOQID, "AUTH authid '%s'", + *result); + if (len != NULL) + *len = *result != NULL ? strlen(*result) : 0; + break; + + case SASL_CB_LANGUAGE: + *result = NULL; + if (len != NULL) + *len = 0; + break; + + default: + return SASL_BADPARAM; + } + return SASL_OK; +} +/* +** GETSECRET -- callback to get password +** +** Parameters: +** conn -- connection information +** context -- sai +** id -- what to do +** psecret -- (pointer to) result +** +** Returns: +** OK/failure values +*/ + +static int +getsecret(conn, context, id, psecret) + sasl_conn_t *conn; + SM_UNUSED(void *context); + int id; + sasl_secret_t **psecret; +{ + int len; + char *authpass; + MCI *mci; + + if (conn == NULL || psecret == NULL || id != SASL_CB_PASS) + return SASL_BADPARAM; + + mci = (MCI *) context; + authpass = mci->mci_sai[SASL_PASSWORD]; + len = strlen(authpass); + + /* + ** use an rpool because we are responsible for free()ing the secret, + ** but we can't free() it until after the auth completes + */ + + *psecret = (sasl_secret_t *) sm_rpool_malloc(mci->mci_rpool, + sizeof(sasl_secret_t) + + len + 1); + if (*psecret == NULL) + return SASL_FAIL; + (void) sm_strlcpy((char *) (*psecret)->data, authpass, len + 1); + (*psecret)->len = (unsigned long) len; + return SASL_OK; +} +# else /* SASL >= 20000 */ +/* +** GETSIMPLE -- callback to get userid or authid +** +** Parameters: +** context -- sai +** id -- what to do +** result -- (pointer to) result +** len -- (pointer to) length of result +** +** Returns: +** OK/failure values +*/ + +static int +getsimple(context, id, result, len) + void *context; + int id; + const char **result; + unsigned *len; +{ + char *h, *s; +# if SASL > 10509 + bool addrealm; +# endif /* SASL > 10509 */ + size_t l; + SASL_AI_T *sai; + char *authid = NULL; + + if (result == NULL || context == NULL) + return SASL_BADPARAM; + sai = (SASL_AI_T *) context; + + /* + ** Unfortunately it is not clear whether this routine should + ** return a copy of a string or just a pointer to a string. + ** The Cyrus-SASL plugins treat these return values differently, e.g., + ** plugins/cram.c free()s authid, plugings/digestmd5.c does not. + ** The best solution to this problem is to fix Cyrus-SASL, but it + ** seems there is nobody who creates patches... Hello CMU!? + ** The second best solution is to have flags that tell this routine + ** whether to return an malloc()ed copy. + ** The next best solution is to always return an malloc()ed copy, + ** and suffer from some memory leak, which is ugly for persistent + ** queue runners. + ** For now we go with the last solution... + ** We can't use rpools (which would avoid this particular problem) + ** as explained in sasl.c. + */ + + switch (id) + { + case SASL_CB_USER: + l = strlen((*sai)[SASL_USER]) + 1; + s = sm_sasl_malloc(l); + if (s == NULL) + { + if (len != NULL) + *len = 0; + *result = NULL; + return SASL_NOMEM; + } + (void) sm_strlcpy(s, (*sai)[SASL_USER], l); + *result = s; + if (tTd(95, 5)) + sm_syslog(LOG_DEBUG, NOQID, "AUTH username '%s'", + *result); + if (len != NULL) + *len = *result != NULL ? strlen(*result) : 0; + break; + + case SASL_CB_AUTHNAME: + h = (*sai)[SASL_AUTHID]; +# if SASL > 10509 + /* XXX maybe other mechanisms too?! */ + addrealm = (*sai)[SASL_MECH] != NULL && + sm_strcasecmp((*sai)[SASL_MECH], "CRAM-MD5") == 0; + + /* + ** Add realm to authentication id unless authid contains + ** '@' (i.e., a realm) or the default realm is empty. + */ + + if (addrealm && h != NULL && strchr(h, '@') == NULL) + { + /* has this been done before? */ + if ((*sai)[SASL_ID_REALM] == NULL) + { + char *realm; + + realm = (*sai)[SASL_DEFREALM]; + + /* do not add an empty realm */ + if (*realm == '\0') + { + authid = h; + (*sai)[SASL_ID_REALM] = NULL; + } + else + { + l = strlen(h) + strlen(realm) + 2; + + /* should use rpool, but from where? */ + authid = sm_sasl_malloc(l); + if (authid != NULL) + { + (void) sm_snprintf(authid, l, + "%s@%s", + h, realm); + (*sai)[SASL_ID_REALM] = authid; + } + else + { + authid = h; + (*sai)[SASL_ID_REALM] = NULL; + } + } + } + else + authid = (*sai)[SASL_ID_REALM]; + } + else +# endif /* SASL > 10509 */ + authid = h; + l = strlen(authid) + 1; + s = sm_sasl_malloc(l); + if (s == NULL) + { + if (len != NULL) + *len = 0; + *result = NULL; + return SASL_NOMEM; + } + (void) sm_strlcpy(s, authid, l); + *result = s; + if (tTd(95, 5)) + sm_syslog(LOG_DEBUG, NOQID, "AUTH authid '%s'", + *result); + if (len != NULL) + *len = authid ? strlen(authid) : 0; + break; + + case SASL_CB_LANGUAGE: + *result = NULL; + if (len != NULL) + *len = 0; + break; + + default: + return SASL_BADPARAM; + } + return SASL_OK; +} +/* +** GETSECRET -- callback to get password +** +** Parameters: +** conn -- connection information +** context -- sai +** id -- what to do +** psecret -- (pointer to) result +** +** Returns: +** OK/failure values +*/ + +static int +getsecret(conn, context, id, psecret) + sasl_conn_t *conn; + SM_UNUSED(void *context); + int id; + sasl_secret_t **psecret; +{ + int len; + char *authpass; + SASL_AI_T *sai; + + if (conn == NULL || psecret == NULL || id != SASL_CB_PASS) + return SASL_BADPARAM; + + sai = (SASL_AI_T *) context; + authpass = (*sai)[SASL_PASSWORD]; + len = strlen(authpass); + *psecret = (sasl_secret_t *) sm_sasl_malloc(sizeof(sasl_secret_t) + + len + 1); + if (*psecret == NULL) + return SASL_FAIL; + (void) sm_strlcpy((*psecret)->data, authpass, len + 1); + (*psecret)->len = (unsigned long) len; + return SASL_OK; +} +# endif /* SASL >= 20000 */ + +/* +** SAFESASLFILE -- callback for sasl: is file safe? +** +** Parameters: +** context -- pointer to context between invocations (unused) +** file -- name of file to check +** type -- type of file to check +** +** Returns: +** SASL_OK -- file can be used +** SASL_CONTINUE -- don't use file +** SASL_FAIL -- failure (not used here) +** +*/ + +int +#if SASL > 10515 +safesaslfile(context, file, type) +#else /* SASL > 10515 */ +safesaslfile(context, file) +#endif /* SASL > 10515 */ + void *context; +# if SASL >= 20000 + const char *file; +# else /* SASL >= 20000 */ + char *file; +# endif /* SASL >= 20000 */ +#if SASL > 10515 +# if SASL >= 20000 + sasl_verify_type_t type; +# else /* SASL >= 20000 */ + int type; +# endif /* SASL >= 20000 */ +#endif /* SASL > 10515 */ +{ + long sff; + int r; +#if SASL <= 10515 + size_t len; +#endif /* SASL <= 10515 */ + char *p; + + if (file == NULL || *file == '\0') + return SASL_OK; + sff = SFF_SAFEDIRPATH|SFF_NOWLINK|SFF_NOWWFILES|SFF_ROOTOK; +#if SASL <= 10515 + if ((p = strrchr(file, '/')) == NULL) + p = file; + else + ++p; + + /* everything beside libs and .conf files must not be readable */ + len = strlen(p); + if ((len <= 3 || strncmp(p, "lib", 3) != 0) && + (len <= 5 || strncmp(p + len - 5, ".conf", 5) != 0)) + { + if (!bitnset(DBS_GROUPREADABLESASLDBFILE, DontBlameSendmail)) + sff |= SFF_NORFILES; + if (!bitnset(DBS_GROUPWRITABLESASLDBFILE, DontBlameSendmail)) + sff |= SFF_NOGWFILES; + } +#else /* SASL <= 10515 */ + /* files containing passwords should be not readable */ + if (type == SASL_VRFY_PASSWD) + { + if (bitnset(DBS_GROUPREADABLESASLDBFILE, DontBlameSendmail)) + sff |= SFF_NOWRFILES; + else + sff |= SFF_NORFILES; + if (!bitnset(DBS_GROUPWRITABLESASLDBFILE, DontBlameSendmail)) + sff |= SFF_NOGWFILES; + } +#endif /* SASL <= 10515 */ + + p = (char *) file; + if ((r = safefile(p, RunAsUid, RunAsGid, RunAsUserName, sff, + S_IRUSR, NULL)) == 0) + return SASL_OK; + if (LogLevel > (r != ENOENT ? 8 : 10)) + sm_syslog(LOG_WARNING, NOQID, "error: safesasl(%s) failed: %s", + p, sm_errstring(r)); + return SASL_CONTINUE; +} + +/* +** SASLGETREALM -- return the realm for SASL +** +** return the realm for the client +** +** Parameters: +** context -- context shared between invocations +** availrealms -- list of available realms +** {realm, realm, ...} +** result -- pointer to result +** +** Returns: +** failure/success +*/ + +static int +saslgetrealm(context, id, availrealms, result) + void *context; + int id; + const char **availrealms; + const char **result; +{ + char *r; + SASL_AI_T *sai; + + sai = (SASL_AI_T *) context; + if (sai == NULL) + return SASL_FAIL; + r = (*sai)[SASL_DEFREALM]; + + if (LogLevel > 12) + sm_syslog(LOG_INFO, NOQID, + "AUTH=client, realm=%s, available realms=%s", + r == NULL ? "" : r, + (availrealms == NULL || *availrealms == NULL) + ? "" : *availrealms); + + /* check whether context is in list */ + if (availrealms != NULL && *availrealms != NULL) + { + if (iteminlist(context, (char *)(*availrealms + 1), " ,}") == + NULL) + { + if (LogLevel > 8) + sm_syslog(LOG_ERR, NOQID, + "AUTH=client, realm=%s not in list=%s", + r, *availrealms); + return SASL_FAIL; + } + } + *result = r; + return SASL_OK; +} +/* +** ITEMINLIST -- does item appear in list? +** +** Check whether item appears in list (which must be separated by a +** character in delim) as a "word", i.e. it must appear at the begin +** of the list or after a space, and it must end with a space or the +** end of the list. +** +** Parameters: +** item -- item to search. +** list -- list of items. +** delim -- list of delimiters. +** +** Returns: +** pointer to occurrence (NULL if not found). +*/ + +char * +iteminlist(item, list, delim) + char *item; + char *list; + char *delim; +{ + char *s; + int len; + + if (list == NULL || *list == '\0') + return NULL; + if (item == NULL || *item == '\0') + return NULL; + s = list; + len = strlen(item); + while (s != NULL && *s != '\0') + { + if (sm_strncasecmp(s, item, len) == 0 && + (s[len] == '\0' || strchr(delim, s[len]) != NULL)) + return s; + s = strpbrk(s, delim); + if (s != NULL) + while (*++s == ' ') + continue; + } + return NULL; +} +/* +** REMOVEMECH -- remove item [rem] from list [list] +** +** Parameters: +** rem -- item to remove +** list -- list of items +** rpool -- resource pool from which result is allocated. +** +** Returns: +** pointer to new list (NULL in case of error). +*/ + +static char * +removemech(rem, list, rpool) + char *rem; + char *list; + SM_RPOOL_T *rpool; +{ + char *ret; + char *needle; + int len; + + if (list == NULL) + return NULL; + if (rem == NULL || *rem == '\0') + { + /* take out what? */ + return NULL; + } + + /* find the item in the list */ + if ((needle = iteminlist(rem, list, " ")) == NULL) + { + /* not in there: return original */ + return list; + } + + /* length of string without rem */ + len = strlen(list) - strlen(rem); + if (len <= 0) + { + ret = (char *) sm_rpool_malloc_x(rpool, 1); + *ret = '\0'; + return ret; + } + ret = (char *) sm_rpool_malloc_x(rpool, len); + memset(ret, '\0', len); + + /* copy from start to removed item */ + memcpy(ret, list, needle - list); + + /* length of rest of string past removed item */ + len = strlen(needle) - strlen(rem) - 1; + if (len > 0) + { + /* not last item -- copy into string */ + memcpy(ret + (needle - list), + list + (needle - list) + strlen(rem) + 1, + len); + } + else + ret[(needle - list) - 1] = '\0'; + return ret; +} +/* +** ATTEMPTAUTH -- try to AUTHenticate using one mechanism +** +** Parameters: +** m -- the mailer. +** mci -- the mailer connection structure. +** e -- the envelope (including the sender to specify). +** sai - sasl authinfo +** +** Returns: +** EX_OK -- authentication was successful. +** EX_NOPERM -- authentication failed. +** EX_IOERR -- authentication dialogue failed (I/O problem?). +** EX_TEMPFAIL -- temporary failure. +** +*/ + +static int +attemptauth(m, mci, e, sai) + MAILER *m; + MCI *mci; + ENVELOPE *e; + SASL_AI_T *sai; +{ + int saslresult, smtpresult; +# if SASL >= 20000 + sasl_ssf_t ssf; + const char *auth_id; + const char *out; +# else /* SASL >= 20000 */ + sasl_external_properties_t ssf; + char *out; +# endif /* SASL >= 20000 */ + unsigned int outlen; + sasl_interact_t *client_interact = NULL; + char *mechusing; + sasl_security_properties_t ssp; + char in64[MAXOUTLEN]; +#if NETINET || (NETINET6 && SASL >= 20000) + extern SOCKADDR CurHostAddr; +#endif /* NETINET || (NETINET6 && SASL >= 20000) */ + + /* no mechanism selected (yet) */ + (*sai)[SASL_MECH] = NULL; + + /* dispose old connection */ + if (mci->mci_conn != NULL) + sasl_dispose(&(mci->mci_conn)); + + /* make a new client sasl connection */ +# if SASL >= 20000 + saslresult = sasl_client_new(bitnset(M_LMTP, m->m_flags) ? "lmtp" + : "smtp", + CurHostName, NULL, NULL, NULL, 0, + &mci->mci_conn); +# else /* SASL >= 20000 */ + saslresult = sasl_client_new(bitnset(M_LMTP, m->m_flags) ? "lmtp" + : "smtp", + CurHostName, NULL, 0, &mci->mci_conn); +# endif /* SASL >= 20000 */ + if (saslresult != SASL_OK) + return EX_TEMPFAIL; + + /* set properties */ + (void) memset(&ssp, '\0', sizeof ssp); + + /* XXX should these be options settable via .cf ? */ + { + ssp.max_ssf = MaxSLBits; + ssp.maxbufsize = MAXOUTLEN; +# if 0 + ssp.security_flags = SASL_SEC_NOPLAINTEXT; +# endif /* 0 */ + } + saslresult = sasl_setprop(mci->mci_conn, SASL_SEC_PROPS, &ssp); + if (saslresult != SASL_OK) + return EX_TEMPFAIL; + +# if SASL >= 20000 + /* external security strength factor, authentication id */ + ssf = 0; + auth_id = NULL; +# if STARTTLS + out = macvalue(macid("{cert_subject}"), e); + if (out != NULL && *out != '\0') + auth_id = out; + out = macvalue(macid("{cipher_bits}"), e); + if (out != NULL && *out != '\0') + ssf = atoi(out); +# endif /* STARTTLS */ + saslresult = sasl_setprop(mci->mci_conn, SASL_SSF_EXTERNAL, &ssf); + if (saslresult != SASL_OK) + return EX_TEMPFAIL; + saslresult = sasl_setprop(mci->mci_conn, SASL_AUTH_EXTERNAL, auth_id); + if (saslresult != SASL_OK) + return EX_TEMPFAIL; + +# if NETINET || NETINET6 + /* set local/remote ipv4 addresses */ + if (mci->mci_out != NULL && ( +# if NETINET6 + CurHostAddr.sa.sa_family == AF_INET6 || +# endif /* NETINET6 */ + CurHostAddr.sa.sa_family == AF_INET)) + { + SOCKADDR_LEN_T addrsize; + SOCKADDR saddr_l; + char localip[60], remoteip[60]; + + switch (CurHostAddr.sa.sa_family) + { + case AF_INET: + addrsize = sizeof(struct sockaddr_in); + break; +# if NETINET6 + case AF_INET6: + addrsize = sizeof(struct sockaddr_in6); + break; +# endif /* NETINET6 */ + default: + break; + } + if (iptostring(&CurHostAddr, addrsize, + remoteip, sizeof remoteip)) + { + if (sasl_setprop(mci->mci_conn, SASL_IPREMOTEPORT, + remoteip) != SASL_OK) + return EX_TEMPFAIL; + } + addrsize = sizeof(saddr_l); + if (getsockname(sm_io_getinfo(mci->mci_out, SM_IO_WHAT_FD, + NULL), + (struct sockaddr *) &saddr_l, &addrsize) == 0) + { + if (iptostring(&saddr_l, addrsize, + localip, sizeof localip)) + { + if (sasl_setprop(mci->mci_conn, + SASL_IPLOCALPORT, + localip) != SASL_OK) + return EX_TEMPFAIL; + } + } + } +# endif /* NETINET || NETINET6 */ + + /* start client side of sasl */ + saslresult = sasl_client_start(mci->mci_conn, mci->mci_saslcap, + &client_interact, + &out, &outlen, + (const char **) &mechusing); +# else /* SASL >= 20000 */ + /* external security strength factor, authentication id */ + ssf.ssf = 0; + ssf.auth_id = NULL; +# if STARTTLS + out = macvalue(macid("{cert_subject}"), e); + if (out != NULL && *out != '\0') + ssf.auth_id = out; + out = macvalue(macid("{cipher_bits}"), e); + if (out != NULL && *out != '\0') + ssf.ssf = atoi(out); +# endif /* STARTTLS */ + saslresult = sasl_setprop(mci->mci_conn, SASL_SSF_EXTERNAL, &ssf); + if (saslresult != SASL_OK) + return EX_TEMPFAIL; + +# if NETINET + /* set local/remote ipv4 addresses */ + if (mci->mci_out != NULL && CurHostAddr.sa.sa_family == AF_INET) + { + SOCKADDR_LEN_T addrsize; + struct sockaddr_in saddr_l; + + if (sasl_setprop(mci->mci_conn, SASL_IP_REMOTE, + (struct sockaddr_in *) &CurHostAddr) + != SASL_OK) + return EX_TEMPFAIL; + addrsize = sizeof(struct sockaddr_in); + if (getsockname(sm_io_getinfo(mci->mci_out, SM_IO_WHAT_FD, + NULL), + (struct sockaddr *) &saddr_l, &addrsize) == 0) + { + if (sasl_setprop(mci->mci_conn, SASL_IP_LOCAL, + &saddr_l) != SASL_OK) + return EX_TEMPFAIL; + } + } +# endif /* NETINET */ + + /* start client side of sasl */ + saslresult = sasl_client_start(mci->mci_conn, mci->mci_saslcap, + NULL, &client_interact, + &out, &outlen, + (const char **) &mechusing); +# endif /* SASL >= 20000 */ + + if (saslresult != SASL_OK && saslresult != SASL_CONTINUE) + { + if (saslresult == SASL_NOMECH && LogLevel > 8) + { + sm_syslog(LOG_NOTICE, e->e_id, + "AUTH=client, available mechanisms do not fulfill requirements"); + } + return EX_TEMPFAIL; + } + + /* just point current mechanism to the data in the sasl library */ + (*sai)[SASL_MECH] = mechusing; + + /* send the info across the wire */ + if (out == NULL + /* login and digest-md5 up to 1.5.28 set out="" */ + || (outlen == 0 && + (sm_strcasecmp(mechusing, "LOGIN") == 0 || + sm_strcasecmp(mechusing, "DIGEST-MD5") == 0)) + ) + { + /* no initial response */ + smtpmessage("AUTH %s", m, mci, mechusing); + } + else if (outlen == 0) + { + /* + ** zero-length initial response, per RFC 2554 4.: + ** "Unlike a zero-length client answer to a 334 reply, a zero- + ** length initial response is sent as a single equals sign" + */ + + smtpmessage("AUTH %s =", m, mci, mechusing); + } + else + { + saslresult = sasl_encode64(out, outlen, in64, MAXOUTLEN, NULL); + if (saslresult != SASL_OK) /* internal error */ + { + if (LogLevel > 8) + sm_syslog(LOG_ERR, e->e_id, + "encode64 for AUTH failed"); + return EX_TEMPFAIL; + } + smtpmessage("AUTH %s %s", m, mci, mechusing, in64); + } +# if SASL < 20000 + sm_sasl_free(out); /* XXX only if no rpool is used */ +# endif /* SASL < 20000 */ + + /* get the reply */ + smtpresult = reply(m, mci, e, TimeOuts.to_auth, getsasldata, NULL, + XS_AUTH); + + for (;;) + { + /* check return code from server */ + if (smtpresult == 235) + { + macdefine(&mci->mci_macro, A_TEMP, macid("{auth_type}"), + mechusing); + return EX_OK; + } + if (smtpresult == -1) + return EX_IOERR; + if (REPLYTYPE(smtpresult) == 5) + return EX_NOPERM; /* ugly, but ... */ + if (REPLYTYPE(smtpresult) != 3) + { + /* should we fail deliberately, see RFC 2554 4. ? */ + /* smtpmessage("*", m, mci); */ + return EX_TEMPFAIL; + } + + saslresult = sasl_client_step(mci->mci_conn, + mci->mci_sasl_string, + mci->mci_sasl_string_len, + &client_interact, + &out, &outlen); + + if (saslresult != SASL_OK && saslresult != SASL_CONTINUE) + { + if (tTd(95, 5)) + sm_dprintf("AUTH FAIL=%s (%d)\n", + sasl_errstring(saslresult, NULL, NULL), + saslresult); + + /* fail deliberately, see RFC 2554 4. */ + smtpmessage("*", m, mci); + + /* + ** but we should only fail for this authentication + ** mechanism; how to do that? + */ + + smtpresult = reply(m, mci, e, TimeOuts.to_auth, + getsasldata, NULL, XS_AUTH); + return EX_NOPERM; + } + + if (outlen > 0) + { + saslresult = sasl_encode64(out, outlen, in64, + MAXOUTLEN, NULL); + if (saslresult != SASL_OK) + { + /* give an error reply to the other side! */ + smtpmessage("*", m, mci); + return EX_TEMPFAIL; + } + } + else + in64[0] = '\0'; +# if SASL < 20000 + sm_sasl_free(out); /* XXX only if no rpool is used */ +# endif /* SASL < 20000 */ + smtpmessage("%s", m, mci, in64); + smtpresult = reply(m, mci, e, TimeOuts.to_auth, + getsasldata, NULL, XS_AUTH); + } + /* NOTREACHED */ +} +/* +** SMTPAUTH -- try to AUTHenticate +** +** This will try mechanisms in the order the sasl library decided until: +** - there are no more mechanisms +** - a mechanism succeeds +** - the sasl library fails initializing +** +** Parameters: +** m -- the mailer. +** mci -- the mailer connection info. +** e -- the envelope. +** +** Returns: +** EX_OK -- authentication was successful +** EX_UNAVAILABLE -- authentication not possible, e.g., +** no data available. +** EX_NOPERM -- authentication failed. +** EX_TEMPFAIL -- temporary failure. +** +** Notice: AuthInfo is used for all connections, hence we must +** return EX_TEMPFAIL only if we really want to retry, i.e., +** iff getauth() tempfailed or getauth() was used and +** authentication tempfailed. +*/ + +int +smtpauth(m, mci, e) + MAILER *m; + MCI *mci; + ENVELOPE *e; +{ + int result; + int i; + bool usedgetauth; + + mci->mci_sasl_auth = false; + for (i = 0; i < SASL_MECH ; i++) + mci->mci_sai[i] = NULL; + + result = getauth(mci, e, &(mci->mci_sai)); + if (result == EX_TEMPFAIL) + return result; + usedgetauth = true; + + /* no data available: don't try to authenticate */ + if (result == EX_OK && mci->mci_sai[SASL_AUTHID] == NULL) + return result; + if (result != EX_OK) + { + if (SASLInfo == NULL) + return EX_UNAVAILABLE; + + /* read authinfo from file */ + result = readauth(SASLInfo, true, &(mci->mci_sai), + mci->mci_rpool); + if (result != EX_OK) + return result; + usedgetauth = false; + } + + /* check whether sufficient data is available */ + if (mci->mci_sai[SASL_PASSWORD] == NULL || + *(mci->mci_sai)[SASL_PASSWORD] == '\0') + return EX_UNAVAILABLE; + if ((mci->mci_sai[SASL_AUTHID] == NULL || + *(mci->mci_sai)[SASL_AUTHID] == '\0') && + (mci->mci_sai[SASL_USER] == NULL || + *(mci->mci_sai)[SASL_USER] == '\0')) + return EX_UNAVAILABLE; + + /* set the context for the callback function to sai */ +# if SASL >= 20000 + callbacks[CB_PASS_IDX].context = (void *) mci; +# else /* SASL >= 20000 */ + callbacks[CB_PASS_IDX].context = (void *) &mci->mci_sai; +# endif /* SASL >= 20000 */ + callbacks[CB_USER_IDX].context = (void *) &mci->mci_sai; + callbacks[CB_AUTHNAME_IDX].context = (void *) &mci->mci_sai; + callbacks[CB_GETREALM_IDX].context = (void *) &mci->mci_sai; +#if 0 + callbacks[CB_SAFESASL_IDX].context = (void *) &mci->mci_sai; +#endif /* 0 */ + + /* set default value for realm */ + if ((mci->mci_sai)[SASL_DEFREALM] == NULL) + (mci->mci_sai)[SASL_DEFREALM] = sm_rpool_strdup_x(e->e_rpool, + macvalue('j', CurEnv)); + + /* set default value for list of mechanism to use */ + if ((mci->mci_sai)[SASL_MECHLIST] == NULL || + *(mci->mci_sai)[SASL_MECHLIST] == '\0') + (mci->mci_sai)[SASL_MECHLIST] = AuthMechanisms; + + /* create list of mechanisms to try */ + mci->mci_saslcap = intersect((mci->mci_sai)[SASL_MECHLIST], + mci->mci_saslcap, mci->mci_rpool); + + /* initialize sasl client library */ + result = init_sasl_client(); + if (result != SASL_OK) + return usedgetauth ? EX_TEMPFAIL : EX_UNAVAILABLE; + do + { + result = attemptauth(m, mci, e, &(mci->mci_sai)); + if (result == EX_OK) + mci->mci_sasl_auth = true; + else if (result == EX_TEMPFAIL || result == EX_NOPERM) + { + mci->mci_saslcap = removemech((mci->mci_sai)[SASL_MECH], + mci->mci_saslcap, + mci->mci_rpool); + if (mci->mci_saslcap == NULL || + *(mci->mci_saslcap) == '\0') + return usedgetauth ? result + : EX_UNAVAILABLE; + } + else + return result; + } while (result != EX_OK); + return result; +} +#endif /* SASL */ + +/* +** SMTPMAILFROM -- send MAIL command +** +** Parameters: +** m -- the mailer. +** mci -- the mailer connection structure. +** e -- the envelope (including the sender to specify). +*/ + +int +smtpmailfrom(m, mci, e) + MAILER *m; + MCI *mci; + ENVELOPE *e; +{ + int r; + char *bufp; + char *bodytype; + char *enhsc; + char buf[MAXNAME + 1]; + char optbuf[MAXLINE]; + + if (tTd(18, 2)) + sm_dprintf("smtpmailfrom: CurHost=%s\n", CurHostName); + enhsc = NULL; + + /* + ** Check if connection is gone, if so + ** it's a tempfail and we use mci_errno + ** for the reason. + */ + + if (mci->mci_state == MCIS_CLOSED) + { + errno = mci->mci_errno; + return EX_TEMPFAIL; + } + + /* set up appropriate options to include */ + if (bitset(MCIF_SIZE, mci->mci_flags) && e->e_msgsize > 0) + { + (void) sm_snprintf(optbuf, sizeof optbuf, " SIZE=%ld", + e->e_msgsize); + bufp = &optbuf[strlen(optbuf)]; + } + else + { + optbuf[0] = '\0'; + bufp = optbuf; + } + + bodytype = e->e_bodytype; + if (bitset(MCIF_8BITMIME, mci->mci_flags)) + { + if (bodytype == NULL && + bitset(MM_MIME8BIT, MimeMode) && + bitset(EF_HAS8BIT, e->e_flags) && + !bitset(EF_DONT_MIME, e->e_flags) && + !bitnset(M_8BITS, m->m_flags)) + bodytype = "8BITMIME"; + if (bodytype != NULL && + SPACELEFT(optbuf, bufp) > strlen(bodytype) + 7) + { + (void) sm_snprintf(bufp, SPACELEFT(optbuf, bufp), + " BODY=%s", bodytype); + bufp += strlen(bufp); + } + } + else if (bitnset(M_8BITS, m->m_flags) || + !bitset(EF_HAS8BIT, e->e_flags) || + bitset(MCIF_8BITOK, mci->mci_flags)) + { + /* EMPTY */ + /* just pass it through */ + } +#if MIME8TO7 + else if (bitset(MM_CVTMIME, MimeMode) && + !bitset(EF_DONT_MIME, e->e_flags) && + (!bitset(MM_PASS8BIT, MimeMode) || + bitset(EF_IS_MIME, e->e_flags))) + { + /* must convert from 8bit MIME format to 7bit encoded */ + mci->mci_flags |= MCIF_CVT8TO7; + } +#endif /* MIME8TO7 */ + else if (!bitset(MM_PASS8BIT, MimeMode)) + { + /* cannot just send a 8-bit version */ + extern char MsgBuf[]; + + usrerrenh("5.6.3", "%s does not support 8BITMIME", CurHostName); + mci_setstat(mci, EX_NOTSTICKY, "5.6.3", MsgBuf); + return EX_DATAERR; + } + + if (bitset(MCIF_DSN, mci->mci_flags)) + { + if (e->e_envid != NULL && + SPACELEFT(optbuf, bufp) > strlen(e->e_envid) + 7) + { + (void) sm_snprintf(bufp, SPACELEFT(optbuf, bufp), + " ENVID=%s", e->e_envid); + bufp += strlen(bufp); + } + + /* RET= parameter */ + if (bitset(EF_RET_PARAM, e->e_flags) && + SPACELEFT(optbuf, bufp) > 9) + { + (void) sm_snprintf(bufp, SPACELEFT(optbuf, bufp), + " RET=%s", + bitset(EF_NO_BODY_RETN, e->e_flags) ? + "HDRS" : "FULL"); + bufp += strlen(bufp); + } + } + + if (bitset(MCIF_AUTH, mci->mci_flags) && e->e_auth_param != NULL && + SPACELEFT(optbuf, bufp) > strlen(e->e_auth_param) + 7 +#if SASL + && (!bitset(SASL_AUTH_AUTH, SASLOpts) || mci->mci_sasl_auth) +#endif /* SASL */ + ) + { + (void) sm_snprintf(bufp, SPACELEFT(optbuf, bufp), + " AUTH=%s", e->e_auth_param); + bufp += strlen(bufp); + } + + /* + ** 17 is the max length required, we could use log() to compute + ** the exact length (and check IS_DLVR_TRACE()) + */ + + if (bitset(MCIF_DLVR_BY, mci->mci_flags) && + IS_DLVR_BY(e) && SPACELEFT(optbuf, bufp) > 17) + { + long dby; + + /* + ** Avoid problems with delays (for R) since the check + ** in deliver() whether min-deliver-time is sufficient. + ** Alternatively we could pass the computed time to this + ** function. + */ + + dby = e->e_deliver_by - (curtime() - e->e_ctime); + if (dby <= 0 && IS_DLVR_RETURN(e)) + dby = mci->mci_min_by <= 0 ? 1 : mci->mci_min_by; + (void) sm_snprintf(bufp, SPACELEFT(optbuf, bufp), + " BY=%ld;%c%s", + dby, + IS_DLVR_RETURN(e) ? 'R' : 'N', + IS_DLVR_TRACE(e) ? "T" : ""); + bufp += strlen(bufp); + } + + /* + ** Send the MAIL command. + ** Designates the sender. + */ + + mci->mci_state = MCIS_MAIL; + + if (bitset(EF_RESPONSE, e->e_flags) && + !bitnset(M_NO_NULL_FROM, m->m_flags)) + buf[0] = '\0'; + else + expand("\201g", buf, sizeof buf, e); + if (buf[0] == '<') + { + /* strip off (put back on below) */ + bufp = &buf[strlen(buf) - 1]; + if (*bufp == '>') + *bufp = '\0'; + bufp = &buf[1]; + } + else + bufp = buf; + if (bitnset(M_LOCALMAILER, e->e_from.q_mailer->m_flags) || + !bitnset(M_FROMPATH, m->m_flags)) + { + smtpmessage("MAIL From:<%s>%s", m, mci, bufp, optbuf); + } + else + { + smtpmessage("MAIL From:<@%s%c%s>%s", m, mci, MyHostName, + *bufp == '@' ? ',' : ':', bufp, optbuf); + } + SmtpPhase = mci->mci_phase = "client MAIL"; + sm_setproctitle(true, e, "%s %s: %s", qid_printname(e), + CurHostName, mci->mci_phase); + r = reply(m, mci, e, TimeOuts.to_mail, NULL, &enhsc, XS_DEFAULT); + if (r < 0) + { + /* communications failure */ + mci_setstat(mci, EX_TEMPFAIL, "4.4.2", NULL); + return EX_TEMPFAIL; + } + else if (r == SMTPCLOSING) + { + /* service shutting down: handled by reply() */ + return EX_TEMPFAIL; + } + else if (REPLYTYPE(r) == 4) + { + mci_setstat(mci, EX_NOTSTICKY, ENHSCN(enhsc, smtptodsn(r)), + SmtpReplyBuffer); + return EX_TEMPFAIL; + } + else if (REPLYTYPE(r) == 2) + { + return EX_OK; + } + else if (r == 501) + { + /* syntax error in arguments */ + mci_setstat(mci, EX_NOTSTICKY, ENHSCN(enhsc, "5.5.2"), + SmtpReplyBuffer); + return EX_DATAERR; + } + else if (r == 553) + { + /* mailbox name not allowed */ + mci_setstat(mci, EX_NOTSTICKY, ENHSCN(enhsc, "5.1.3"), + SmtpReplyBuffer); + return EX_DATAERR; + } + else if (r == 552) + { + /* exceeded storage allocation */ + mci_setstat(mci, EX_NOTSTICKY, ENHSCN(enhsc, "5.3.4"), + SmtpReplyBuffer); + if (bitset(MCIF_SIZE, mci->mci_flags)) + e->e_flags |= EF_NO_BODY_RETN; + return EX_UNAVAILABLE; + } + else if (REPLYTYPE(r) == 5) + { + /* unknown error */ + mci_setstat(mci, EX_NOTSTICKY, ENHSCN(enhsc, "5.0.0"), + SmtpReplyBuffer); + return EX_UNAVAILABLE; + } + + if (LogLevel > 1) + { + sm_syslog(LOG_CRIT, e->e_id, + "%.100s: SMTP MAIL protocol error: %s", + CurHostName, + shortenstring(SmtpReplyBuffer, 403)); + } + + /* protocol error -- close up */ + mci_setstat(mci, EX_PROTOCOL, ENHSCN(enhsc, "5.5.1"), + SmtpReplyBuffer); + smtpquit(m, mci, e); + return EX_PROTOCOL; +} +/* +** SMTPRCPT -- designate recipient. +** +** Parameters: +** to -- address of recipient. +** m -- the mailer we are sending to. +** mci -- the connection info for this transaction. +** e -- the envelope for this transaction. +** +** Returns: +** exit status corresponding to recipient status. +** +** Side Effects: +** Sends the mail via SMTP. +*/ + +int +smtprcpt(to, m, mci, e, ctladdr, xstart) + ADDRESS *to; + register MAILER *m; + MCI *mci; + ENVELOPE *e; + ADDRESS *ctladdr; + time_t xstart; +{ + char *bufp; + char optbuf[MAXLINE]; + +#if PIPELINING + /* + ** If there is status waiting from the other end, read it. + ** This should normally happen because of SMTP pipelining. + */ + + while (mci->mci_nextaddr != NULL && + sm_io_getinfo(mci->mci_in, SM_IO_IS_READABLE, NULL) > 0) + { + int r; + + r = smtprcptstat(mci->mci_nextaddr, m, mci, e); + if (r != EX_OK) + { + markfailure(e, mci->mci_nextaddr, mci, r, false); + giveresponse(r, mci->mci_nextaddr->q_status, m, mci, + ctladdr, xstart, e, to); + } + mci->mci_nextaddr = mci->mci_nextaddr->q_pchain; + } +#endif /* PIPELINING */ + + /* + ** Check if connection is gone, if so + ** it's a tempfail and we use mci_errno + ** for the reason. + */ + + if (mci->mci_state == MCIS_CLOSED) + { + errno = mci->mci_errno; + return EX_TEMPFAIL; + } + + optbuf[0] = '\0'; + bufp = optbuf; + + /* + ** Warning: in the following it is assumed that the free space + ** in bufp is sizeof optbuf + */ + + if (bitset(MCIF_DSN, mci->mci_flags)) + { + if (IS_DLVR_NOTIFY(e) && + !bitset(MCIF_DLVR_BY, mci->mci_flags)) + { + /* RFC 2852: 4.1.4.2 */ + if (!bitset(QHASNOTIFY, to->q_flags)) + to->q_flags |= QPINGONFAILURE|QPINGONDELAY|QHASNOTIFY; + else if (bitset(QPINGONSUCCESS, to->q_flags) || + bitset(QPINGONFAILURE, to->q_flags) || + bitset(QPINGONDELAY, to->q_flags)) + to->q_flags |= QPINGONDELAY; + } + + /* NOTIFY= parameter */ + if (bitset(QHASNOTIFY, to->q_flags) && + bitset(QPRIMARY, to->q_flags) && + !bitnset(M_LOCALMAILER, m->m_flags)) + { + bool firstone = true; + + (void) sm_strlcat(bufp, " NOTIFY=", sizeof optbuf); + if (bitset(QPINGONSUCCESS, to->q_flags)) + { + (void) sm_strlcat(bufp, "SUCCESS", sizeof optbuf); + firstone = false; + } + if (bitset(QPINGONFAILURE, to->q_flags)) + { + if (!firstone) + (void) sm_strlcat(bufp, ",", + sizeof optbuf); + (void) sm_strlcat(bufp, "FAILURE", sizeof optbuf); + firstone = false; + } + if (bitset(QPINGONDELAY, to->q_flags)) + { + if (!firstone) + (void) sm_strlcat(bufp, ",", + sizeof optbuf); + (void) sm_strlcat(bufp, "DELAY", sizeof optbuf); + firstone = false; + } + if (firstone) + (void) sm_strlcat(bufp, "NEVER", sizeof optbuf); + bufp += strlen(bufp); + } + + /* ORCPT= parameter */ + if (to->q_orcpt != NULL && + SPACELEFT(optbuf, bufp) > strlen(to->q_orcpt) + 7) + { + (void) sm_snprintf(bufp, SPACELEFT(optbuf, bufp), + " ORCPT=%s", to->q_orcpt); + bufp += strlen(bufp); + } + } + + smtpmessage("RCPT To:<%s>%s", m, mci, to->q_user, optbuf); + mci->mci_state = MCIS_RCPT; + + SmtpPhase = mci->mci_phase = "client RCPT"; + sm_setproctitle(true, e, "%s %s: %s", qid_printname(e), + CurHostName, mci->mci_phase); + +#if PIPELINING + /* + ** If running SMTP pipelining, we will pick up status later + */ + + if (bitset(MCIF_PIPELINED, mci->mci_flags)) + return EX_OK; +#endif /* PIPELINING */ + + return smtprcptstat(to, m, mci, e); +} +/* +** SMTPRCPTSTAT -- get recipient status +** +** This is only called during SMTP pipelining +** +** Parameters: +** to -- address of recipient. +** m -- mailer being sent to. +** mci -- the mailer connection information. +** e -- the envelope for this message. +** +** Returns: +** EX_* -- protocol status +*/ + +static int +smtprcptstat(to, m, mci, e) + ADDRESS *to; + MAILER *m; + register MCI *mci; + register ENVELOPE *e; +{ + int r; + int save_errno; + char *enhsc; + + /* + ** Check if connection is gone, if so + ** it's a tempfail and we use mci_errno + ** for the reason. + */ + + if (mci->mci_state == MCIS_CLOSED) + { + errno = mci->mci_errno; + return EX_TEMPFAIL; + } + + enhsc = NULL; + r = reply(m, mci, e, TimeOuts.to_rcpt, NULL, &enhsc, XS_DEFAULT); + save_errno = errno; + to->q_rstatus = sm_rpool_strdup_x(e->e_rpool, SmtpReplyBuffer); + to->q_status = ENHSCN_RPOOL(enhsc, smtptodsn(r), e->e_rpool); + if (!bitnset(M_LMTP, m->m_flags)) + to->q_statmta = mci->mci_host; + if (r < 0 || REPLYTYPE(r) == 4) + { + mci->mci_retryrcpt = true; + errno = save_errno; + return EX_TEMPFAIL; + } + else if (REPLYTYPE(r) == 2) + { + char *t; + + if ((t = mci->mci_tolist) != NULL) + { + char *p; + + *t++ = ','; + for (p = to->q_paddr; *p != '\0'; *t++ = *p++) + continue; + *t = '\0'; + mci->mci_tolist = t; + } +#if PIPELINING + mci->mci_okrcpts++; +#endif /* PIPELINING */ + return EX_OK; + } + else if (r == 550) + { + to->q_status = ENHSCN_RPOOL(enhsc, "5.1.1", e->e_rpool); + return EX_NOUSER; + } + else if (r == 551) + { + to->q_status = ENHSCN_RPOOL(enhsc, "5.1.6", e->e_rpool); + return EX_NOUSER; + } + else if (r == 553) + { + to->q_status = ENHSCN_RPOOL(enhsc, "5.1.3", e->e_rpool); + return EX_NOUSER; + } + else if (REPLYTYPE(r) == 5) + { + return EX_UNAVAILABLE; + } + + if (LogLevel > 1) + { + sm_syslog(LOG_CRIT, e->e_id, + "%.100s: SMTP RCPT protocol error: %s", + CurHostName, + shortenstring(SmtpReplyBuffer, 403)); + } + + mci_setstat(mci, EX_PROTOCOL, ENHSCN(enhsc, "5.5.1"), + SmtpReplyBuffer); + return EX_PROTOCOL; +} +/* +** SMTPDATA -- send the data and clean up the transaction. +** +** Parameters: +** m -- mailer being sent to. +** mci -- the mailer connection information. +** e -- the envelope for this message. +** +** Returns: +** exit status corresponding to DATA command. +*/ + +static jmp_buf CtxDataTimeout; +static SM_EVENT *volatile DataTimeout = NULL; + +int +smtpdata(m, mci, e, ctladdr, xstart) + MAILER *m; + register MCI *mci; + register ENVELOPE *e; + ADDRESS *ctladdr; + time_t xstart; +{ + register int r; + int rstat; + int xstat; + time_t timeout; + char *enhsc; + + /* + ** Check if connection is gone, if so + ** it's a tempfail and we use mci_errno + ** for the reason. + */ + + if (mci->mci_state == MCIS_CLOSED) + { + errno = mci->mci_errno; + return EX_TEMPFAIL; + } + + enhsc = NULL; + + /* + ** Send the data. + ** First send the command and check that it is ok. + ** Then send the data (if there are valid recipients). + ** Follow it up with a dot to terminate. + ** Finally get the results of the transaction. + */ + + /* send the command and check ok to proceed */ + smtpmessage("DATA", m, mci); + +#if PIPELINING + if (mci->mci_nextaddr != NULL) + { + char *oldto = e->e_to; + + /* pick up any pending RCPT responses for SMTP pipelining */ + while (mci->mci_nextaddr != NULL) + { + int r; + + e->e_to = mci->mci_nextaddr->q_paddr; + r = smtprcptstat(mci->mci_nextaddr, m, mci, e); + if (r != EX_OK) + { + markfailure(e, mci->mci_nextaddr, mci, r, + false); + giveresponse(r, mci->mci_nextaddr->q_status, m, + mci, ctladdr, xstart, e, + mci->mci_nextaddr); + if (r == EX_TEMPFAIL) + mci->mci_nextaddr->q_state = QS_RETRY; + } + mci->mci_nextaddr = mci->mci_nextaddr->q_pchain; + } + e->e_to = oldto; + + /* + ** Connection might be closed in response to a RCPT command, + ** i.e., the server responded with 421. In that case (at + ** least) one RCPT has a temporary failure, hence we don't + ** need to check mci_okrcpts (as it is done below) to figure + ** out which error to return. + */ + + if (mci->mci_state == MCIS_CLOSED) + { + errno = mci->mci_errno; + return EX_TEMPFAIL; + } + } +#endif /* PIPELINING */ + + /* now proceed with DATA phase */ + SmtpPhase = mci->mci_phase = "client DATA 354"; + mci->mci_state = MCIS_DATA; + sm_setproctitle(true, e, "%s %s: %s", + qid_printname(e), CurHostName, mci->mci_phase); + r = reply(m, mci, e, TimeOuts.to_datainit, NULL, &enhsc, XS_DEFAULT); + if (r < 0 || REPLYTYPE(r) == 4) + { + if (r >= 0) + smtpquit(m, mci, e); + errno = mci->mci_errno; + return EX_TEMPFAIL; + } + else if (REPLYTYPE(r) == 5) + { + smtprset(m, mci, e); +#if PIPELINING + if (mci->mci_okrcpts <= 0) + return mci->mci_retryrcpt ? EX_TEMPFAIL + : EX_UNAVAILABLE; +#endif /* PIPELINING */ + return EX_UNAVAILABLE; + } + else if (REPLYTYPE(r) != 3) + { + if (LogLevel > 1) + { + sm_syslog(LOG_CRIT, e->e_id, + "%.100s: SMTP DATA-1 protocol error: %s", + CurHostName, + shortenstring(SmtpReplyBuffer, 403)); + } + smtprset(m, mci, e); + mci_setstat(mci, EX_PROTOCOL, ENHSCN(enhsc, "5.5.1"), + SmtpReplyBuffer); +#if PIPELINING + if (mci->mci_okrcpts <= 0) + return mci->mci_retryrcpt ? EX_TEMPFAIL + : EX_PROTOCOL; +#endif /* PIPELINING */ + return EX_PROTOCOL; + } + +#if PIPELINING + if (mci->mci_okrcpts > 0) + { +#endif /* PIPELINING */ + + /* + ** Set timeout around data writes. Make it at least large + ** enough for DNS timeouts on all recipients plus some fudge + ** factor. The main thing is that it should not be infinite. + */ + + if (setjmp(CtxDataTimeout) != 0) + { + mci->mci_errno = errno; + mci->mci_state = MCIS_ERROR; + mci_setstat(mci, EX_TEMPFAIL, "4.4.2", NULL); + + /* + ** If putbody() couldn't finish due to a timeout, + ** rewind it here in the timeout handler. See + ** comments at the end of putbody() for reasoning. + */ + + if (e->e_dfp != NULL) + (void) bfrewind(e->e_dfp); + + errno = mci->mci_errno; + syserr("451 4.4.1 timeout writing message to %s", CurHostName); + smtpquit(m, mci, e); + return EX_TEMPFAIL; + } + + if (tTd(18, 101)) + { + /* simulate a DATA timeout */ + timeout = 1; + } + else + timeout = DATA_PROGRESS_TIMEOUT; + + DataTimeout = sm_setevent(timeout, datatimeout, 0); + + + /* + ** Output the actual message. + */ + + (*e->e_puthdr)(mci, e->e_header, e, M87F_OUTER); + + if (tTd(18, 101)) + { + /* simulate a DATA timeout */ + (void) sleep(2); + } + + (*e->e_putbody)(mci, e, NULL); + + /* + ** Cleanup after sending message. + */ + + if (DataTimeout != NULL) + sm_clrevent(DataTimeout); + +#if PIPELINING + } +#endif /* PIPELINING */ + +#if _FFR_CATCH_BROKEN_MTAS + if (sm_io_getinfo(mci->mci_in, SM_IO_IS_READABLE, NULL) > 0) + { + /* terminate the message */ + (void) sm_io_fprintf(mci->mci_out, SM_TIME_DEFAULT, ".%s", + m->m_eol); + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d >>> .\n", (int) CurrentPid); + if (Verbose) + nmessage(">>> ."); + + sm_syslog(LOG_CRIT, e->e_id, + "%.100s: SMTP DATA-1 protocol error: remote server returned response before final dot", + CurHostName); + mci->mci_errno = EIO; + mci->mci_state = MCIS_ERROR; + mci_setstat(mci, EX_PROTOCOL, "5.5.0", NULL); + smtpquit(m, mci, e); + return EX_PROTOCOL; + } +#endif /* _FFR_CATCH_BROKEN_MTAS */ + + if (sm_io_error(mci->mci_out)) + { + /* error during processing -- don't send the dot */ + mci->mci_errno = EIO; + mci->mci_state = MCIS_ERROR; + mci_setstat(mci, EX_IOERR, "4.4.2", NULL); + smtpquit(m, mci, e); + return EX_IOERR; + } + + /* terminate the message */ + (void) sm_io_fprintf(mci->mci_out, SM_TIME_DEFAULT, ".%s", m->m_eol); + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d >>> .\n", (int) CurrentPid); + if (Verbose) + nmessage(">>> ."); + + /* check for the results of the transaction */ + SmtpPhase = mci->mci_phase = "client DATA status"; + sm_setproctitle(true, e, "%s %s: %s", qid_printname(e), + CurHostName, mci->mci_phase); + if (bitnset(M_LMTP, m->m_flags)) + return EX_OK; + r = reply(m, mci, e, TimeOuts.to_datafinal, NULL, &enhsc, XS_DEFAULT); + if (r < 0) + return EX_TEMPFAIL; + if (mci->mci_state == MCIS_DATA) + mci->mci_state = MCIS_OPEN; + xstat = EX_NOTSTICKY; + if (r == 452) + rstat = EX_TEMPFAIL; + else if (REPLYTYPE(r) == 4) + rstat = xstat = EX_TEMPFAIL; + else if (REPLYTYPE(r) == 2) + rstat = xstat = EX_OK; + else if (REPLYCLASS(r) != 5) + rstat = xstat = EX_PROTOCOL; + else if (REPLYTYPE(r) == 5) + rstat = EX_UNAVAILABLE; + else + rstat = EX_PROTOCOL; + mci_setstat(mci, xstat, ENHSCN(enhsc, smtptodsn(r)), + SmtpReplyBuffer); + if (bitset(MCIF_ENHSTAT, mci->mci_flags) && + (r = isenhsc(SmtpReplyBuffer + 4, ' ')) > 0) + r += 5; + else + r = 4; + e->e_statmsg = sm_rpool_strdup_x(e->e_rpool, &SmtpReplyBuffer[r]); + SmtpPhase = mci->mci_phase = "idle"; + sm_setproctitle(true, e, "%s: %s", CurHostName, mci->mci_phase); + if (rstat != EX_PROTOCOL) + return rstat; + if (LogLevel > 1) + { + sm_syslog(LOG_CRIT, e->e_id, + "%.100s: SMTP DATA-2 protocol error: %s", + CurHostName, + shortenstring(SmtpReplyBuffer, 403)); + } + return rstat; +} + +static void +datatimeout(ignore) + int ignore; +{ + int save_errno = errno; + + /* + ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD + ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE + ** DOING. + */ + + if (DataProgress) + { + time_t timeout; + + /* check back again later */ + if (tTd(18, 101)) + { + /* simulate a DATA timeout */ + timeout = 1; + } + else + timeout = DATA_PROGRESS_TIMEOUT; + + /* reset the timeout */ + DataTimeout = sm_sigsafe_setevent(timeout, datatimeout, 0); + DataProgress = false; + } + else + { + /* event is done */ + DataTimeout = NULL; + } + + /* if no progress was made or problem resetting event, die now */ + if (DataTimeout == NULL) + { + errno = ETIMEDOUT; + longjmp(CtxDataTimeout, 1); + } + errno = save_errno; +} +/* +** SMTPGETSTAT -- get status code from DATA in LMTP +** +** Parameters: +** m -- the mailer to which we are sending the message. +** mci -- the mailer connection structure. +** e -- the current envelope. +** +** Returns: +** The exit status corresponding to the reply code. +*/ + +int +smtpgetstat(m, mci, e) + MAILER *m; + MCI *mci; + ENVELOPE *e; +{ + int r; + int off; + int status, xstat; + char *enhsc; + + enhsc = NULL; + + /* check for the results of the transaction */ + r = reply(m, mci, e, TimeOuts.to_datafinal, NULL, &enhsc, XS_DEFAULT); + if (r < 0) + return EX_TEMPFAIL; + xstat = EX_NOTSTICKY; + if (REPLYTYPE(r) == 4) + status = EX_TEMPFAIL; + else if (REPLYTYPE(r) == 2) + status = xstat = EX_OK; + else if (REPLYCLASS(r) != 5) + status = xstat = EX_PROTOCOL; + else if (REPLYTYPE(r) == 5) + status = EX_UNAVAILABLE; + else + status = EX_PROTOCOL; + if (bitset(MCIF_ENHSTAT, mci->mci_flags) && + (off = isenhsc(SmtpReplyBuffer + 4, ' ')) > 0) + off += 5; + else + off = 4; + e->e_statmsg = sm_rpool_strdup_x(e->e_rpool, &SmtpReplyBuffer[off]); + mci_setstat(mci, xstat, ENHSCN(enhsc, smtptodsn(r)), SmtpReplyBuffer); + if (LogLevel > 1 && status == EX_PROTOCOL) + { + sm_syslog(LOG_CRIT, e->e_id, + "%.100s: SMTP DATA-3 protocol error: %s", + CurHostName, + shortenstring(SmtpReplyBuffer, 403)); + } + return status; +} +/* +** SMTPQUIT -- close the SMTP connection. +** +** Parameters: +** m -- a pointer to the mailer. +** mci -- the mailer connection information. +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** sends the final protocol and closes the connection. +*/ + +void +smtpquit(m, mci, e) + register MAILER *m; + register MCI *mci; + ENVELOPE *e; +{ + bool oldSuprErrs = SuprErrs; + int rcode; + char *oldcurhost; + + if (mci->mci_state == MCIS_CLOSED) + { + mci_close(mci, "smtpquit:1"); + return; + } + + oldcurhost = CurHostName; + CurHostName = mci->mci_host; /* XXX UGLY XXX */ + if (CurHostName == NULL) + CurHostName = MyHostName; + +#if PIPELINING + mci->mci_okrcpts = 0; +#endif /* PIPELINING */ + + /* + ** Suppress errors here -- we may be processing a different + ** job when we do the quit connection, and we don't want the + ** new job to be penalized for something that isn't it's + ** problem. + */ + + SuprErrs = true; + + /* send the quit message if we haven't gotten I/O error */ + if (mci->mci_state != MCIS_ERROR && + mci->mci_state != MCIS_QUITING) + { + SmtpPhase = "client QUIT"; + mci->mci_state = MCIS_QUITING; + smtpmessage("QUIT", m, mci); + (void) reply(m, mci, e, TimeOuts.to_quit, NULL, NULL, + XS_DEFAULT); + SuprErrs = oldSuprErrs; + if (mci->mci_state == MCIS_CLOSED) + goto end; + } + + /* now actually close the connection and pick up the zombie */ + rcode = endmailer(mci, e, NULL); + if (rcode != EX_OK) + { + char *mailer = NULL; + + if (mci->mci_mailer != NULL && + mci->mci_mailer->m_name != NULL) + mailer = mci->mci_mailer->m_name; + + /* look for naughty mailers */ + sm_syslog(LOG_ERR, e->e_id, + "smtpquit: mailer%s%s exited with exit value %d", + mailer == NULL ? "" : " ", + mailer == NULL ? "" : mailer, + rcode); + } + + SuprErrs = oldSuprErrs; + + end: + CurHostName = oldcurhost; + return; +} +/* +** SMTPRSET -- send a RSET (reset) command +** +** Parameters: +** m -- a pointer to the mailer. +** mci -- the mailer connection information. +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** closes the connection if there is no reply to RSET. +*/ + +void +smtprset(m, mci, e) + register MAILER *m; + register MCI *mci; + ENVELOPE *e; +{ + int r; + + CurHostName = mci->mci_host; /* XXX UGLY XXX */ + if (CurHostName == NULL) + CurHostName = MyHostName; + +#if PIPELINING + mci->mci_okrcpts = 0; +#endif /* PIPELINING */ + + /* + ** Check if connection is gone, if so + ** it's a tempfail and we use mci_errno + ** for the reason. + */ + + if (mci->mci_state == MCIS_CLOSED) + { + errno = mci->mci_errno; + return; + } + + SmtpPhase = "client RSET"; + smtpmessage("RSET", m, mci); + r = reply(m, mci, e, TimeOuts.to_rset, NULL, NULL, XS_DEFAULT); + if (r < 0) + return; + + /* + ** Any response is deemed to be acceptable. + ** The standard does not state the proper action + ** to take when a value other than 250 is received. + ** + ** However, if 421 is returned for the RSET, leave + ** mci_state alone (MCIS_SSD can be set in reply() + ** and MCIS_CLOSED can be set in smtpquit() if + ** reply() gets a 421 and calls smtpquit()). + */ + + if (mci->mci_state != MCIS_SSD && mci->mci_state != MCIS_CLOSED) + mci->mci_state = MCIS_OPEN; +} +/* +** SMTPPROBE -- check the connection state +** +** Parameters: +** mci -- the mailer connection information. +** +** Returns: +** none. +** +** Side Effects: +** closes the connection if there is no reply to RSET. +*/ + +int +smtpprobe(mci) + register MCI *mci; +{ + int r; + MAILER *m = mci->mci_mailer; + ENVELOPE *e; + extern ENVELOPE BlankEnvelope; + + CurHostName = mci->mci_host; /* XXX UGLY XXX */ + if (CurHostName == NULL) + CurHostName = MyHostName; + + e = &BlankEnvelope; + SmtpPhase = "client probe"; + smtpmessage("RSET", m, mci); + r = reply(m, mci, e, TimeOuts.to_miscshort, NULL, NULL, XS_DEFAULT); + if (REPLYTYPE(r) != 2) + smtpquit(m, mci, e); + return r; +} +/* +** REPLY -- read arpanet reply +** +** Parameters: +** m -- the mailer we are reading the reply from. +** mci -- the mailer connection info structure. +** e -- the current envelope. +** timeout -- the timeout for reads. +** pfunc -- processing function called on each line of response. +** If null, no special processing is done. +** enhstat -- optional, returns enhanced error code string (if set) +** rtype -- type of SmtpMsgBuffer: does it contains secret data? +** +** Returns: +** reply code it reads. +** +** Side Effects: +** flushes the mail file. +*/ + +int +reply(m, mci, e, timeout, pfunc, enhstat, rtype) + MAILER *m; + MCI *mci; + ENVELOPE *e; + time_t timeout; + void (*pfunc) __P((char *, bool, MAILER *, MCI *, ENVELOPE *)); + char **enhstat; + int rtype; +{ + register char *bufp; + register int r; + bool firstline = true; + char junkbuf[MAXLINE]; + static char enhstatcode[ENHSCLEN]; + int save_errno; + + /* + ** Flush the output before reading response. + ** + ** For SMTP pipelining, it would be better if we didn't do + ** this if there was already data waiting to be read. But + ** to do it properly means pushing it to the I/O library, + ** since it really needs to be done below the buffer layer. + */ + + if (mci->mci_out != NULL) + (void) sm_io_flush(mci->mci_out, SM_TIME_DEFAULT); + + if (tTd(18, 1)) + sm_dprintf("reply\n"); + + /* + ** Read the input line, being careful not to hang. + */ + + bufp = SmtpReplyBuffer; + for (;;) + { + register char *p; + + /* actually do the read */ + if (e->e_xfp != NULL) /* for debugging */ + (void) sm_io_flush(e->e_xfp, SM_TIME_DEFAULT); + + /* if we are in the process of closing just give the code */ + if (mci->mci_state == MCIS_CLOSED) + return SMTPCLOSING; + + /* don't try to read from a non-existent fd */ + if (mci->mci_in == NULL) + { + if (mci->mci_errno == 0) + mci->mci_errno = EBADF; + + /* errors on QUIT should be ignored */ + if (strncmp(SmtpMsgBuffer, "QUIT", 4) == 0) + { + errno = mci->mci_errno; + mci_close(mci, "reply:1"); + return -1; + } + mci->mci_state = MCIS_ERROR; + smtpquit(m, mci, e); + errno = mci->mci_errno; + return -1; + } + + if (mci->mci_out != NULL) + (void) sm_io_flush(mci->mci_out, SM_TIME_DEFAULT); + + /* get the line from the other side */ + p = sfgets(bufp, MAXLINE, mci->mci_in, timeout, SmtpPhase); + save_errno = errno; + mci->mci_lastuse = curtime(); + + if (p == NULL) + { + bool oldholderrs; + extern char MsgBuf[]; + + /* errors on QUIT should be ignored */ + if (strncmp(SmtpMsgBuffer, "QUIT", 4) == 0) + { + mci_close(mci, "reply:2"); + return -1; + } + + /* if the remote end closed early, fake an error */ + errno = save_errno; + if (errno == 0) + { + (void) sm_snprintf(SmtpReplyBuffer, + sizeof SmtpReplyBuffer, + "421 4.4.1 Connection reset by %s", + CURHOSTNAME); +#ifdef ECONNRESET + errno = ECONNRESET; +#else /* ECONNRESET */ + errno = EPIPE; +#endif /* ECONNRESET */ + } + + mci->mci_errno = errno; + oldholderrs = HoldErrs; + HoldErrs = true; + usrerr("451 4.4.1 reply: read error from %s", + CURHOSTNAME); + mci_setstat(mci, EX_TEMPFAIL, "4.4.2", MsgBuf); + + /* if debugging, pause so we can see state */ + if (tTd(18, 100)) + (void) pause(); + mci->mci_state = MCIS_ERROR; + smtpquit(m, mci, e); +#if XDEBUG + { + char wbuf[MAXLINE]; + + p = wbuf; + if (e->e_to != NULL) + { + (void) sm_snprintf(p, + SPACELEFT(wbuf, p), + "%s... ", + shortenstring(e->e_to, MAXSHORTSTR)); + p += strlen(p); + } + (void) sm_snprintf(p, SPACELEFT(wbuf, p), + "reply(%.100s) during %s", + CURHOSTNAME, SmtpPhase); + checkfd012(wbuf); + } +#endif /* XDEBUG */ + HoldErrs = oldholderrs; + errno = save_errno; + return -1; + } + fixcrlf(bufp, true); + + /* EHLO failure is not a real error */ + if (e->e_xfp != NULL && (bufp[0] == '4' || + (bufp[0] == '5' && strncmp(SmtpMsgBuffer, "EHLO", 4) != 0))) + { + /* serious error -- log the previous command */ + if (SmtpNeedIntro) + { + /* inform user who we are chatting with */ + (void) sm_io_fprintf(CurEnv->e_xfp, + SM_TIME_DEFAULT, + "... while talking to %s:\n", + CURHOSTNAME); + SmtpNeedIntro = false; + } + if (SmtpMsgBuffer[0] != '\0') + { + (void) sm_io_fprintf(e->e_xfp, + SM_TIME_DEFAULT, + ">>> %s\n", + (rtype == XS_STARTTLS) + ? "STARTTLS dialogue" + : ((rtype == XS_AUTH) + ? "AUTH dialogue" + : SmtpMsgBuffer)); + SmtpMsgBuffer[0] = '\0'; + } + + /* now log the message as from the other side */ + (void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT, + "<<< %s\n", bufp); + } + + /* display the input for verbose mode */ + if (Verbose) + nmessage("050 %s", bufp); + + /* ignore improperly formatted input */ + if (!ISSMTPREPLY(bufp)) + continue; + + if (bitset(MCIF_ENHSTAT, mci->mci_flags) && + enhstat != NULL && + extenhsc(bufp + 4, ' ', enhstatcode) > 0) + *enhstat = enhstatcode; + + /* process the line */ + if (pfunc != NULL) + (*pfunc)(bufp, firstline, m, mci, e); + + firstline = false; + + /* decode the reply code */ + r = atoi(bufp); + + /* extra semantics: 0xx codes are "informational" */ + if (r < 100) + continue; + + /* if no continuation lines, return this line */ + if (bufp[3] != '-') + break; + + /* first line of real reply -- ignore rest */ + bufp = junkbuf; + } + + /* + ** Now look at SmtpReplyBuffer -- only care about the first + ** line of the response from here on out. + */ + + /* save temporary failure messages for posterity */ + if (SmtpReplyBuffer[0] == '4') + (void) sm_strlcpy(SmtpError, SmtpReplyBuffer, sizeof SmtpError); + + /* reply code 421 is "Service Shutting Down" */ + if (r == SMTPCLOSING && mci->mci_state != MCIS_SSD && + mci->mci_state != MCIS_QUITING) + { + /* send the quit protocol */ + mci->mci_state = MCIS_SSD; + smtpquit(m, mci, e); + } + + return r; +} +/* +** SMTPMESSAGE -- send message to server +** +** Parameters: +** f -- format +** m -- the mailer to control formatting. +** a, b, c -- parameters +** +** Returns: +** none. +** +** Side Effects: +** writes message to mci->mci_out. +*/ + +/*VARARGS1*/ +void +#ifdef __STDC__ +smtpmessage(char *f, MAILER *m, MCI *mci, ...) +#else /* __STDC__ */ +smtpmessage(f, m, mci, va_alist) + char *f; + MAILER *m; + MCI *mci; + va_dcl +#endif /* __STDC__ */ +{ + SM_VA_LOCAL_DECL + + SM_VA_START(ap, mci); + (void) sm_vsnprintf(SmtpMsgBuffer, sizeof SmtpMsgBuffer, f, ap); + SM_VA_END(ap); + + if (tTd(18, 1) || Verbose) + nmessage(">>> %s", SmtpMsgBuffer); + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d >>> %s\n", (int) CurrentPid, + SmtpMsgBuffer); + if (mci->mci_out != NULL) + { + (void) sm_io_fprintf(mci->mci_out, SM_TIME_DEFAULT, "%s%s", + SmtpMsgBuffer, m == NULL ? "\r\n" + : m->m_eol); + } + else if (tTd(18, 1)) + { + sm_dprintf("smtpmessage: NULL mci_out\n"); + } +} diff --git a/contrib/sendmail-8.13.4/sendmail/util.c b/contrib/sendmail-8.13.4/sendmail/util.c new file mode 100644 index 0000000000..e7a3ff015d --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/util.c @@ -0,0 +1,2880 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: util.c,v 8.383 2004/08/02 18:50:59 ca Exp $") + +#include +#include + +/* +** NEWSTR -- Create a copy of a C string +** +** Parameters: +** s -- the string to copy. +** +** Returns: +** pointer to newly allocated string. +*/ + +char * +newstr(s) + const char *s; +{ + size_t l; + char *n; + + l = strlen(s); + SM_ASSERT(l + 1 > l); + n = xalloc(l + 1); + sm_strlcpy(n, s, l + 1); + return n; +} + +/* +** ADDQUOTES -- Adds quotes & quote bits to a string. +** +** Runs through a string and adds backslashes and quote bits. +** +** Parameters: +** s -- the string to modify. +** rpool -- resource pool from which to allocate result +** +** Returns: +** pointer to quoted string. +*/ + +char * +addquotes(s, rpool) + char *s; + SM_RPOOL_T *rpool; +{ + int len = 0; + char c; + char *p = s, *q, *r; + + if (s == NULL) + return NULL; + + /* Find length of quoted string */ + while ((c = *p++) != '\0') + { + len++; + if (c == '\\' || c == '"') + len++; + } + + q = r = sm_rpool_malloc_x(rpool, len + 3); + p = s; + + /* add leading quote */ + *q++ = '"'; + while ((c = *p++) != '\0') + { + /* quote \ or " */ + if (c == '\\' || c == '"') + *q++ = '\\'; + *q++ = c; + } + *q++ = '"'; + *q = '\0'; + return r; +} + +/* +** STRIPBACKSLASH -- Strip all leading backslashes from a string, provided +** the following character is alpha-numerical. +** +** This is done in place. +** +** Parameters: +** s -- the string to strip. +** +** Returns: +** none. +*/ + +void +stripbackslash(s) + char *s; +{ + char *p, *q, c; + + if (s == NULL || *s == '\0') + return; + p = q = s; + while (*p == '\\' && (p[1] == '\\' || (isascii(p[1]) && isalnum(p[1])))) + p++; + do + { + c = *q++ = *p++; + } while (c != '\0'); +} + +/* +** RFC822_STRING -- Checks string for proper RFC822 string quoting. +** +** Runs through a string and verifies RFC822 special characters +** are only found inside comments, quoted strings, or backslash +** escaped. Also verified balanced quotes and parenthesis. +** +** Parameters: +** s -- the string to modify. +** +** Returns: +** true iff the string is RFC822 compliant, false otherwise. +*/ + +bool +rfc822_string(s) + char *s; +{ + bool quoted = false; + int commentlev = 0; + char *c = s; + + if (s == NULL) + return false; + + while (*c != '\0') + { + /* escaped character */ + if (*c == '\\') + { + c++; + if (*c == '\0') + return false; + } + else if (commentlev == 0 && *c == '"') + quoted = !quoted; + else if (!quoted) + { + if (*c == ')') + { + /* unbalanced ')' */ + if (commentlev == 0) + return false; + else + commentlev--; + } + else if (*c == '(') + commentlev++; + else if (commentlev == 0 && + strchr(MustQuoteChars, *c) != NULL) + return false; + } + c++; + } + + /* unbalanced '"' or '(' */ + return !quoted && commentlev == 0; +} +/* +** SHORTEN_RFC822_STRING -- Truncate and rebalance an RFC822 string +** +** Arbitrarily shorten (in place) an RFC822 string and rebalance +** comments and quotes. +** +** Parameters: +** string -- the string to shorten +** length -- the maximum size, 0 if no maximum +** +** Returns: +** true if string is changed, false otherwise +** +** Side Effects: +** Changes string in place, possibly resulting +** in a shorter string. +*/ + +bool +shorten_rfc822_string(string, length) + char *string; + size_t length; +{ + bool backslash = false; + bool modified = false; + bool quoted = false; + size_t slen; + int parencount = 0; + char *ptr = string; + + /* + ** If have to rebalance an already short enough string, + ** need to do it within allocated space. + */ + + slen = strlen(string); + if (length == 0 || slen < length) + length = slen; + + while (*ptr != '\0') + { + if (backslash) + { + backslash = false; + goto increment; + } + + if (*ptr == '\\') + backslash = true; + else if (*ptr == '(') + { + if (!quoted) + parencount++; + } + else if (*ptr == ')') + { + if (--parencount < 0) + parencount = 0; + } + + /* Inside a comment, quotes don't matter */ + if (parencount <= 0 && *ptr == '"') + quoted = !quoted; + +increment: + /* Check for sufficient space for next character */ + if (length - (ptr - string) <= (size_t) ((backslash ? 1 : 0) + + parencount + + (quoted ? 1 : 0))) + { + /* Not enough, backtrack */ + if (*ptr == '\\') + backslash = false; + else if (*ptr == '(' && !quoted) + parencount--; + else if (*ptr == '"' && parencount == 0) + quoted = false; + break; + } + ptr++; + } + + /* Rebalance */ + while (parencount-- > 0) + { + if (*ptr != ')') + { + modified = true; + *ptr = ')'; + } + ptr++; + } + if (quoted) + { + if (*ptr != '"') + { + modified = true; + *ptr = '"'; + } + ptr++; + } + if (*ptr != '\0') + { + modified = true; + *ptr = '\0'; + } + return modified; +} +/* +** FIND_CHARACTER -- find an unquoted character in an RFC822 string +** +** Find an unquoted, non-commented character in an RFC822 +** string and return a pointer to its location in the +** string. +** +** Parameters: +** string -- the string to search +** character -- the character to find +** +** Returns: +** pointer to the character, or +** a pointer to the end of the line if character is not found +*/ + +char * +find_character(string, character) + char *string; + int character; +{ + bool backslash = false; + bool quoted = false; + int parencount = 0; + + while (string != NULL && *string != '\0') + { + if (backslash) + { + backslash = false; + if (!quoted && character == '\\' && *string == '\\') + break; + string++; + continue; + } + switch (*string) + { + case '\\': + backslash = true; + break; + + case '(': + if (!quoted) + parencount++; + break; + + case ')': + if (--parencount < 0) + parencount = 0; + break; + } + + /* Inside a comment, nothing matters */ + if (parencount > 0) + { + string++; + continue; + } + + if (*string == '"') + quoted = !quoted; + else if (*string == character && !quoted) + break; + string++; + } + + /* Return pointer to the character */ + return string; +} + +/* +** CHECK_BODYTYPE -- check bodytype parameter +** +** Parameters: +** bodytype -- bodytype parameter +** +** Returns: +** BODYTYPE_* according to parameter +** +*/ + +int +check_bodytype(bodytype) + char *bodytype; +{ + /* check body type for legality */ + if (bodytype == NULL) + return BODYTYPE_NONE; + if (sm_strcasecmp(bodytype, "7BIT") == 0) + return BODYTYPE_7BIT; + if (sm_strcasecmp(bodytype, "8BITMIME") == 0) + return BODYTYPE_8BITMIME; + return BODYTYPE_ILLEGAL; +} + +#if _FFR_BESTMX_BETTER_TRUNCATION || _FFR_DNSMAP_MULTI +/* +** TRUNCATE_AT_DELIM -- truncate string at a delimiter and append "..." +** +** Parameters: +** str -- string to truncate +** len -- maximum length (including '\0') (0 for unlimited) +** delim -- delimiter character +** +** Returns: +** None. +*/ + +void +truncate_at_delim(str, len, delim) + char *str; + size_t len; + int delim; +{ + char *p; + + if (str == NULL || len == 0 || strlen(str) < len) + return; + + *(str + len - 1) = '\0'; + while ((p = strrchr(str, delim)) != NULL) + { + *p = '\0'; + if (p - str + 4 < len) + { + *p++ = (char) delim; + *p = '\0'; + (void) sm_strlcat(str, "...", len); + return; + } + } + + /* Couldn't find a place to append "..." */ + if (len > 3) + (void) sm_strlcpy(str, "...", len); + else + str[0] = '\0'; +} +#endif /* _FFR_BESTMX_BETTER_TRUNCATION || _FFR_DNSMAP_MULTI */ +/* +** XALLOC -- Allocate memory, raise an exception on error +** +** Parameters: +** sz -- size of area to allocate. +** +** Returns: +** pointer to data region. +** +** Exceptions: +** SmHeapOutOfMemory (F:sm.heap) -- cannot allocate memory +** +** Side Effects: +** Memory is allocated. +*/ + +char * +#if SM_HEAP_CHECK +xalloc_tagged(sz, file, line) + register int sz; + char *file; + int line; +#else /* SM_HEAP_CHECK */ +xalloc(sz) + register int sz; +#endif /* SM_HEAP_CHECK */ +{ + register char *p; + + /* some systems can't handle size zero mallocs */ + if (sz <= 0) + sz = 1; + + /* scaffolding for testing error handling code */ + sm_xtrap_raise_x(&SmHeapOutOfMemory); + + p = sm_malloc_tagged((unsigned) sz, file, line, sm_heap_group()); + if (p == NULL) + { + sm_exc_raise_x(&SmHeapOutOfMemory); + } + return p; +} +/* +** COPYPLIST -- copy list of pointers. +** +** This routine is the equivalent of strdup for lists of +** pointers. +** +** Parameters: +** list -- list of pointers to copy. +** Must be NULL terminated. +** copycont -- if true, copy the contents of the vector +** (which must be a string) also. +** rpool -- resource pool from which to allocate storage, +** or NULL +** +** Returns: +** a copy of 'list'. +*/ + +char ** +copyplist(list, copycont, rpool) + char **list; + bool copycont; + SM_RPOOL_T *rpool; +{ + register char **vp; + register char **newvp; + + for (vp = list; *vp != NULL; vp++) + continue; + + vp++; + + newvp = (char **) sm_rpool_malloc_x(rpool, (vp - list) * sizeof *vp); + memmove((char *) newvp, (char *) list, (int) (vp - list) * sizeof *vp); + + if (copycont) + { + for (vp = newvp; *vp != NULL; vp++) + *vp = sm_rpool_strdup_x(rpool, *vp); + } + + return newvp; +} +/* +** COPYQUEUE -- copy address queue. +** +** This routine is the equivalent of strdup for address queues; +** addresses marked as QS_IS_DEAD() aren't copied +** +** Parameters: +** addr -- list of address structures to copy. +** rpool -- resource pool from which to allocate storage +** +** Returns: +** a copy of 'addr'. +*/ + +ADDRESS * +copyqueue(addr, rpool) + ADDRESS *addr; + SM_RPOOL_T *rpool; +{ + register ADDRESS *newaddr; + ADDRESS *ret; + register ADDRESS **tail = &ret; + + while (addr != NULL) + { + if (!QS_IS_DEAD(addr->q_state)) + { + newaddr = (ADDRESS *) sm_rpool_malloc_x(rpool, + sizeof *newaddr); + STRUCTCOPY(*addr, *newaddr); + *tail = newaddr; + tail = &newaddr->q_next; + } + addr = addr->q_next; + } + *tail = NULL; + + return ret; +} +/* +** LOG_SENDMAIL_PID -- record sendmail pid and command line. +** +** Parameters: +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** writes pidfile, logs command line. +** keeps file open and locked to prevent overwrite of active file +*/ + +static SM_FILE_T *Pidf = NULL; + +void +log_sendmail_pid(e) + ENVELOPE *e; +{ + long sff; + char pidpath[MAXPATHLEN]; + extern char *CommandLineArgs; + + /* write the pid to the log file for posterity */ + sff = SFF_NOLINK|SFF_ROOTOK|SFF_REGONLY|SFF_CREAT|SFF_NBLOCK; + if (TrustedUid != 0 && RealUid == TrustedUid) + sff |= SFF_OPENASROOT; + expand(PidFile, pidpath, sizeof pidpath, e); + Pidf = safefopen(pidpath, O_WRONLY|O_TRUNC, FileMode, sff); + if (Pidf == NULL) + { + if (errno == EWOULDBLOCK) + sm_syslog(LOG_ERR, NOQID, + "unable to write pid to %s: file in use by another process", + pidpath); + else + sm_syslog(LOG_ERR, NOQID, + "unable to write pid to %s: %s", + pidpath, sm_errstring(errno)); + } + else + { + PidFilePid = getpid(); + + /* write the process id on line 1 */ + (void) sm_io_fprintf(Pidf, SM_TIME_DEFAULT, "%ld\n", + (long) PidFilePid); + + /* line 2 contains all command line flags */ + (void) sm_io_fprintf(Pidf, SM_TIME_DEFAULT, "%s\n", + CommandLineArgs); + + /* flush */ + (void) sm_io_flush(Pidf, SM_TIME_DEFAULT); + + /* + ** Leave pid file open until process ends + ** so it's not overwritten by another + ** process. + */ + } + if (LogLevel > 9) + sm_syslog(LOG_INFO, NOQID, "started as: %s", CommandLineArgs); +} + +/* +** CLOSE_SENDMAIL_PID -- close sendmail pid file +** +** Parameters: +** none. +** +** Returns: +** none. +*/ + +void +close_sendmail_pid() +{ + if (Pidf == NULL) + return; + + (void) sm_io_close(Pidf, SM_TIME_DEFAULT); + Pidf = NULL; +} + +/* +** SET_DELIVERY_MODE -- set and record the delivery mode +** +** Parameters: +** mode -- delivery mode +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** sets {deliveryMode} macro +*/ + +void +set_delivery_mode(mode, e) + int mode; + ENVELOPE *e; +{ + char buf[2]; + + e->e_sendmode = (char) mode; + buf[0] = (char) mode; + buf[1] = '\0'; + macdefine(&e->e_macro, A_TEMP, macid("{deliveryMode}"), buf); +} +/* +** SET_OP_MODE -- set and record the op mode +** +** Parameters: +** mode -- op mode +** e -- the current envelope. +** +** Returns: +** none. +** +** Side Effects: +** sets {opMode} macro +*/ + +void +set_op_mode(mode) + int mode; +{ + char buf[2]; + extern ENVELOPE BlankEnvelope; + + OpMode = (char) mode; + buf[0] = (char) mode; + buf[1] = '\0'; + macdefine(&BlankEnvelope.e_macro, A_TEMP, MID_OPMODE, buf); +} +/* +** PRINTAV -- print argument vector. +** +** Parameters: +** fp -- output file pointer. +** av -- argument vector. +** +** Returns: +** none. +** +** Side Effects: +** prints av. +*/ + +void +printav(fp, av) + SM_FILE_T *fp; + register char **av; +{ + while (*av != NULL) + { + if (tTd(0, 44)) + sm_dprintf("\n\t%08lx=", (unsigned long) *av); + else + (void) sm_io_putc(fp, SM_TIME_DEFAULT, ' '); + xputs(fp, *av++); + } + (void) sm_io_putc(fp, SM_TIME_DEFAULT, '\n'); +} +/* +** XPUTS -- put string doing control escapes. +** +** Parameters: +** fp -- output file pointer. +** s -- string to put. +** +** Returns: +** none. +** +** Side Effects: +** output to stdout +*/ + +void +xputs(fp, s) + SM_FILE_T *fp; + register const char *s; +{ + register int c; + register struct metamac *mp; + bool shiftout = false; + extern struct metamac MetaMacros[]; + static SM_DEBUG_T DebugANSI = SM_DEBUG_INITIALIZER("ANSI", + "@(#)$Debug: ANSI - enable reverse video in debug output $"); + + /* + ** TermEscape is set here, rather than in main(), + ** because ANSI mode can be turned on or off at any time + ** if we are in -bt rule testing mode. + */ + + if (sm_debug_unknown(&DebugANSI)) + { + if (sm_debug_active(&DebugANSI, 1)) + { + TermEscape.te_rv_on = "\033[7m"; + TermEscape.te_rv_off = "\033[0m"; + } + else + { + TermEscape.te_rv_on = ""; + TermEscape.te_rv_off = ""; + } + } + + if (s == NULL) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s%s", + TermEscape.te_rv_on, TermEscape.te_rv_off); + return; + } + while ((c = (*s++ & 0377)) != '\0') + { + if (shiftout) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", + TermEscape.te_rv_off); + shiftout = false; + } + if (!isascii(c)) + { + if (c == MATCHREPL) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "%s$", + TermEscape.te_rv_on); + shiftout = true; + if (*s == '\0') + continue; + c = *s++ & 0377; + goto printchar; + } + if (c == MACROEXPAND || c == MACRODEXPAND) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, + "%s$", + TermEscape.te_rv_on); + if (c == MACRODEXPAND) + (void) sm_io_putc(fp, + SM_TIME_DEFAULT, '&'); + shiftout = true; + if (*s == '\0') + continue; + if (strchr("=~&?", *s) != NULL) + (void) sm_io_putc(fp, + SM_TIME_DEFAULT, + *s++); + if (bitset(0200, *s)) + (void) sm_io_fprintf(fp, + SM_TIME_DEFAULT, + "{%s}", + macname(bitidx(*s++))); + else + (void) sm_io_fprintf(fp, + SM_TIME_DEFAULT, + "%c", + *s++); + continue; + } + for (mp = MetaMacros; mp->metaname != '\0'; mp++) + { + if (bitidx(mp->metaval) == c) + { + (void) sm_io_fprintf(fp, + SM_TIME_DEFAULT, + "%s$%c", + TermEscape.te_rv_on, + mp->metaname); + shiftout = true; + break; + } + } + if (c == MATCHCLASS || c == MATCHNCLASS) + { + if (bitset(0200, *s)) + (void) sm_io_fprintf(fp, + SM_TIME_DEFAULT, + "{%s}", + macname(bitidx(*s++))); + else if (*s != '\0') + (void) sm_io_fprintf(fp, + SM_TIME_DEFAULT, + "%c", + *s++); + } + if (mp->metaname != '\0') + continue; + + /* unrecognized meta character */ + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%sM-", + TermEscape.te_rv_on); + shiftout = true; + c &= 0177; + } + printchar: + if (isprint(c)) + { + (void) sm_io_putc(fp, SM_TIME_DEFAULT, c); + continue; + } + + /* wasn't a meta-macro -- find another way to print it */ + switch (c) + { + case '\n': + c = 'n'; + break; + + case '\r': + c = 'r'; + break; + + case '\t': + c = 't'; + break; + } + if (!shiftout) + { + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", + TermEscape.te_rv_on); + shiftout = true; + } + if (isprint(c)) + { + (void) sm_io_putc(fp, SM_TIME_DEFAULT, '\\'); + (void) sm_io_putc(fp, SM_TIME_DEFAULT, c); + } + else + { + (void) sm_io_putc(fp, SM_TIME_DEFAULT, '^'); + (void) sm_io_putc(fp, SM_TIME_DEFAULT, c ^ 0100); + } + } + if (shiftout) + (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", + TermEscape.te_rv_off); + (void) sm_io_flush(fp, SM_TIME_DEFAULT); +} +/* +** MAKELOWER -- Translate a line into lower case +** +** Parameters: +** p -- the string to translate. If NULL, return is +** immediate. +** +** Returns: +** none. +** +** Side Effects: +** String pointed to by p is translated to lower case. +*/ + +void +makelower(p) + register char *p; +{ + register char c; + + if (p == NULL) + return; + for (; (c = *p) != '\0'; p++) + if (isascii(c) && isupper(c)) + *p = tolower(c); +} +/* +** FIXCRLF -- fix in line. +** +** Looks for the combination and turns it into the +** UNIX canonical character. It only takes one line, +** i.e., it is assumed that the first found is the end +** of the line. +** +** Parameters: +** line -- the line to fix. +** stripnl -- if true, strip the newline also. +** +** Returns: +** none. +** +** Side Effects: +** line is changed in place. +*/ + +void +fixcrlf(line, stripnl) + char *line; + bool stripnl; +{ + register char *p; + + p = strchr(line, '\n'); + if (p == NULL) + return; + if (p > line && p[-1] == '\r') + p--; + if (!stripnl) + *p++ = '\n'; + *p = '\0'; +} +/* +** PUTLINE -- put a line like fputs obeying SMTP conventions +** +** This routine always guarantees outputing a newline (or CRLF, +** as appropriate) at the end of the string. +** +** Parameters: +** l -- line to put. +** mci -- the mailer connection information. +** +** Returns: +** none +** +** Side Effects: +** output of l to mci->mci_out. +*/ + +void +putline(l, mci) + register char *l; + register MCI *mci; +{ + putxline(l, strlen(l), mci, PXLF_MAPFROM); +} +/* +** PUTXLINE -- putline with flags bits. +** +** This routine always guarantees outputing a newline (or CRLF, +** as appropriate) at the end of the string. +** +** Parameters: +** l -- line to put. +** len -- the length of the line. +** mci -- the mailer connection information. +** pxflags -- flag bits: +** PXLF_MAPFROM -- map From_ to >From_. +** PXLF_STRIP8BIT -- strip 8th bit. +** PXLF_HEADER -- map bare newline in header to newline space. +** PXLF_NOADDEOL -- don't add an EOL if one wasn't present. +** +** Returns: +** none +** +** Side Effects: +** output of l to mci->mci_out. +*/ + +void +putxline(l, len, mci, pxflags) + register char *l; + size_t len; + register MCI *mci; + int pxflags; +{ + bool dead = false; + register char *p, *end; + int slop = 0; + + /* strip out 0200 bits -- these can look like TELNET protocol */ + if (bitset(MCIF_7BIT, mci->mci_flags) || + bitset(PXLF_STRIP8BIT, pxflags)) + { + register char svchar; + + for (p = l; (svchar = *p) != '\0'; ++p) + if (bitset(0200, svchar)) + *p = svchar &~ 0200; + } + + end = l + len; + do + { + bool noeol = false; + + /* find the end of the line */ + p = memchr(l, '\n', end - l); + if (p == NULL) + { + p = end; + noeol = true; + } + + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d >>> ", (int) CurrentPid); + + /* check for line overflow */ + while (mci->mci_mailer->m_linelimit > 0 && + (p - l + slop) > mci->mci_mailer->m_linelimit) + { + char *l_base = l; + register char *q = &l[mci->mci_mailer->m_linelimit - slop - 1]; + + if (l[0] == '.' && slop == 0 && + bitnset(M_XDOT, mci->mci_mailer->m_flags)) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, + '.') == SM_IO_EOF) + dead = true; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, '.'); + } + else if (l[0] == 'F' && slop == 0 && + bitset(PXLF_MAPFROM, pxflags) && + strncmp(l, "From ", 5) == 0 && + bitnset(M_ESCFROM, mci->mci_mailer->m_flags)) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, + '>') == SM_IO_EOF) + dead = true; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + '>'); + } + if (dead) + break; + + while (l < q) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, + (unsigned char) *l++) == SM_IO_EOF) + { + dead = true; + break; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + } + if (dead) + break; + + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, '!') == + SM_IO_EOF || + sm_io_fputs(mci->mci_out, SM_TIME_DEFAULT, + mci->mci_mailer->m_eol) == + SM_IO_EOF || + sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, ' ') == + SM_IO_EOF) + { + dead = true; + break; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + if (TrafficLogFile != NULL) + { + for (l = l_base; l < q; l++) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + (unsigned char)*l); + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "!\n%05d >>> ", + (int) CurrentPid); + } + slop = 1; + } + + if (dead) + break; + + /* output last part */ + if (l[0] == '.' && slop == 0 && + bitnset(M_XDOT, mci->mci_mailer->m_flags)) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, '.') == + SM_IO_EOF) + break; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, '.'); + } + else if (l[0] == 'F' && slop == 0 && + bitset(PXLF_MAPFROM, pxflags) && + strncmp(l, "From ", 5) == 0 && + bitnset(M_ESCFROM, mci->mci_mailer->m_flags)) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, '>') == + SM_IO_EOF) + break; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, '>'); + } + for ( ; l < p; ++l) + { + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, + (unsigned char)*l); + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, + (unsigned char) *l) == SM_IO_EOF) + { + dead = true; + break; + } + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + } + if (dead) + break; + + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, SM_TIME_DEFAULT, + '\n'); + if ((!bitset(PXLF_NOADDEOL, pxflags) || !noeol) && + sm_io_fputs(mci->mci_out, SM_TIME_DEFAULT, + mci->mci_mailer->m_eol) == SM_IO_EOF) + break; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + if (l < end && *l == '\n') + { + if (*++l != ' ' && *l != '\t' && *l != '\0' && + bitset(PXLF_HEADER, pxflags)) + { + if (sm_io_putc(mci->mci_out, SM_TIME_DEFAULT, + ' ') == SM_IO_EOF) + break; + else + { + /* record progress for DATA timeout */ + DataProgress = true; + } + + if (TrafficLogFile != NULL) + (void) sm_io_putc(TrafficLogFile, + SM_TIME_DEFAULT, ' '); + } + } + + /* record progress for DATA timeout */ + DataProgress = true; + } while (l < end); +} +/* +** XUNLINK -- unlink a file, doing logging as appropriate. +** +** Parameters: +** f -- name of file to unlink. +** +** Returns: +** return value of unlink() +** +** Side Effects: +** f is unlinked. +*/ + +int +xunlink(f) + char *f; +{ + register int i; + int save_errno; + + if (LogLevel > 98) + sm_syslog(LOG_DEBUG, CurEnv->e_id, "unlink %s", f); + + i = unlink(f); + save_errno = errno; + if (i < 0 && LogLevel > 97) + sm_syslog(LOG_DEBUG, CurEnv->e_id, "%s: unlink-fail %d", + f, errno); + if (i >= 0) + SYNC_DIR(f, false); + errno = save_errno; + return i; +} +/* +** SFGETS -- "safe" fgets -- times out and ignores random interrupts. +** +** Parameters: +** buf -- place to put the input line. +** siz -- size of buf. +** fp -- file to read from. +** timeout -- the timeout before error occurs. +** during -- what we are trying to read (for error messages). +** +** Returns: +** NULL on error (including timeout). This may also leave +** buf containing a null string. +** buf otherwise. +*/ + + +char * +sfgets(buf, siz, fp, timeout, during) + char *buf; + int siz; + SM_FILE_T *fp; + time_t timeout; + char *during; +{ + register char *p; + int save_errno; + int io_timeout; + + SM_REQUIRE(siz > 0); + SM_REQUIRE(buf != NULL); + + if (fp == NULL) + { + buf[0] = '\0'; + errno = EBADF; + return NULL; + } + + /* try to read */ + p = NULL; + errno = 0; + + /* convert the timeout to sm_io notation */ + io_timeout = (timeout <= 0) ? SM_TIME_DEFAULT : timeout * 1000; + while (!sm_io_eof(fp) && !sm_io_error(fp)) + { + errno = 0; + p = sm_io_fgets(fp, io_timeout, buf, siz); + if (p == NULL && errno == EAGAIN) + { + /* The sm_io_fgets() call timedout */ + if (LogLevel > 1) + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "timeout waiting for input from %.100s during %s", + CURHOSTNAME, + during); + buf[0] = '\0'; +#if XDEBUG + checkfd012(during); +#endif /* XDEBUG */ + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, + SM_TIME_DEFAULT, + "%05d <<< [TIMEOUT]\n", + (int) CurrentPid); + errno = ETIMEDOUT; + return NULL; + } + if (p != NULL || errno != EINTR) + break; + (void) sm_io_clearerr(fp); + } + save_errno = errno; + + /* clean up the books and exit */ + LineNumber++; + if (p == NULL) + { + buf[0] = '\0'; + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d <<< [EOF]\n", + (int) CurrentPid); + errno = save_errno; + return NULL; + } + if (TrafficLogFile != NULL) + (void) sm_io_fprintf(TrafficLogFile, SM_TIME_DEFAULT, + "%05d <<< %s", (int) CurrentPid, buf); + if (SevenBitInput) + { + for (p = buf; *p != '\0'; p++) + *p &= ~0200; + } + else if (!HasEightBits) + { + for (p = buf; *p != '\0'; p++) + { + if (bitset(0200, *p)) + { + HasEightBits = true; + break; + } + } + } + return buf; +} +/* +** FGETFOLDED -- like fgets, but knows about folded lines. +** +** Parameters: +** buf -- place to put result. +** n -- bytes available. +** f -- file to read from. +** +** Returns: +** input line(s) on success, NULL on error or SM_IO_EOF. +** This will normally be buf -- unless the line is too +** long, when it will be sm_malloc_x()ed. +** +** Side Effects: +** buf gets lines from f, with continuation lines (lines +** with leading white space) appended. CRLF's are mapped +** into single newlines. Any trailing NL is stripped. +*/ + +char * +fgetfolded(buf, n, f) + char *buf; + register int n; + SM_FILE_T *f; +{ + register char *p = buf; + char *bp = buf; + register int i; + + SM_REQUIRE(n > 0); + SM_REQUIRE(buf != NULL); + if (f == NULL) + { + buf[0] = '\0'; + errno = EBADF; + return NULL; + } + + n--; + while ((i = sm_io_getc(f, SM_TIME_DEFAULT)) != SM_IO_EOF) + { + if (i == '\r') + { + i = sm_io_getc(f, SM_TIME_DEFAULT); + if (i != '\n') + { + if (i != SM_IO_EOF) + (void) sm_io_ungetc(f, SM_TIME_DEFAULT, + i); + i = '\r'; + } + } + if (--n <= 0) + { + /* allocate new space */ + char *nbp; + int nn; + + nn = (p - bp); + if (nn < MEMCHUNKSIZE) + nn *= 2; + else + nn += MEMCHUNKSIZE; + nbp = sm_malloc_x(nn); + memmove(nbp, bp, p - bp); + p = &nbp[p - bp]; + if (bp != buf) + sm_free(bp); + bp = nbp; + n = nn - (p - bp); + } + *p++ = i; + if (i == '\n') + { + LineNumber++; + i = sm_io_getc(f, SM_TIME_DEFAULT); + if (i != SM_IO_EOF) + (void) sm_io_ungetc(f, SM_TIME_DEFAULT, i); + if (i != ' ' && i != '\t') + break; + } + } + if (p == bp) + return NULL; + if (p[-1] == '\n') + p--; + *p = '\0'; + return bp; +} +/* +** CURTIME -- return current time. +** +** Parameters: +** none. +** +** Returns: +** the current time. +*/ + +time_t +curtime() +{ + auto time_t t; + + (void) time(&t); + return t; +} +/* +** ATOBOOL -- convert a string representation to boolean. +** +** Defaults to false +** +** Parameters: +** s -- string to convert. Takes "tTyY", empty, and NULL as true, +** others as false. +** +** Returns: +** A boolean representation of the string. +*/ + +bool +atobool(s) + register char *s; +{ + if (s == NULL || *s == '\0' || strchr("tTyY", *s) != NULL) + return true; + return false; +} +/* +** ATOOCT -- convert a string representation to octal. +** +** Parameters: +** s -- string to convert. +** +** Returns: +** An integer representing the string interpreted as an +** octal number. +*/ + +int +atooct(s) + register char *s; +{ + register int i = 0; + + while (*s >= '0' && *s <= '7') + i = (i << 3) | (*s++ - '0'); + return i; +} +/* +** BITINTERSECT -- tell if two bitmaps intersect +** +** Parameters: +** a, b -- the bitmaps in question +** +** Returns: +** true if they have a non-null intersection +** false otherwise +*/ + +bool +bitintersect(a, b) + BITMAP256 a; + BITMAP256 b; +{ + int i; + + for (i = BITMAPBYTES / sizeof (int); --i >= 0; ) + { + if ((a[i] & b[i]) != 0) + return true; + } + return false; +} +/* +** BITZEROP -- tell if a bitmap is all zero +** +** Parameters: +** map -- the bit map to check +** +** Returns: +** true if map is all zero. +** false if there are any bits set in map. +*/ + +bool +bitzerop(map) + BITMAP256 map; +{ + int i; + + for (i = BITMAPBYTES / sizeof (int); --i >= 0; ) + { + if (map[i] != 0) + return false; + } + return true; +} +/* +** STRCONTAINEDIN -- tell if one string is contained in another +** +** Parameters: +** icase -- ignore case? +** a -- possible substring. +** b -- possible superstring. +** +** Returns: +** true if a is contained in b (case insensitive). +** false otherwise. +*/ + +bool +strcontainedin(icase, a, b) + bool icase; + register char *a; + register char *b; +{ + int la; + int lb; + int c; + + la = strlen(a); + lb = strlen(b); + c = *a; + if (icase && isascii(c) && isupper(c)) + c = tolower(c); + for (; lb-- >= la; b++) + { + if (icase) + { + if (*b != c && + isascii(*b) && isupper(*b) && tolower(*b) != c) + continue; + if (sm_strncasecmp(a, b, la) == 0) + return true; + } + else + { + if (*b != c) + continue; + if (strncmp(a, b, la) == 0) + return true; + } + } + return false; +} +/* +** CHECKFD012 -- check low numbered file descriptors +** +** File descriptors 0, 1, and 2 should be open at all times. +** This routine verifies that, and fixes it if not true. +** +** Parameters: +** where -- a tag printed if the assertion failed +** +** Returns: +** none +*/ + +void +checkfd012(where) + char *where; +{ +#if XDEBUG + register int i; + + for (i = 0; i < 3; i++) + fill_fd(i, where); +#endif /* XDEBUG */ +} +/* +** CHECKFDOPEN -- make sure file descriptor is open -- for extended debugging +** +** Parameters: +** fd -- file descriptor to check. +** where -- tag to print on failure. +** +** Returns: +** none. +*/ + +void +checkfdopen(fd, where) + int fd; + char *where; +{ +#if XDEBUG + struct stat st; + + if (fstat(fd, &st) < 0 && errno == EBADF) + { + syserr("checkfdopen(%d): %s not open as expected!", fd, where); + printopenfds(true); + } +#endif /* XDEBUG */ +} +/* +** CHECKFDS -- check for new or missing file descriptors +** +** Parameters: +** where -- tag for printing. If null, take a base line. +** +** Returns: +** none +** +** Side Effects: +** If where is set, shows changes since the last call. +*/ + +void +checkfds(where) + char *where; +{ + int maxfd; + register int fd; + bool printhdr = true; + int save_errno = errno; + static BITMAP256 baseline; + extern int DtableSize; + + if (DtableSize > BITMAPBITS) + maxfd = BITMAPBITS; + else + maxfd = DtableSize; + if (where == NULL) + clrbitmap(baseline); + + for (fd = 0; fd < maxfd; fd++) + { + struct stat stbuf; + + if (fstat(fd, &stbuf) < 0 && errno != EOPNOTSUPP) + { + if (!bitnset(fd, baseline)) + continue; + clrbitn(fd, baseline); + } + else if (!bitnset(fd, baseline)) + setbitn(fd, baseline); + else + continue; + + /* file state has changed */ + if (where == NULL) + continue; + if (printhdr) + { + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "%s: changed fds:", + where); + printhdr = false; + } + dumpfd(fd, true, true); + } + errno = save_errno; +} +/* +** PRINTOPENFDS -- print the open file descriptors (for debugging) +** +** Parameters: +** logit -- if set, send output to syslog; otherwise +** print for debugging. +** +** Returns: +** none. +*/ + +#if NETINET || NETINET6 +# include +#endif /* NETINET || NETINET6 */ + +void +printopenfds(logit) + bool logit; +{ + register int fd; + extern int DtableSize; + + for (fd = 0; fd < DtableSize; fd++) + dumpfd(fd, false, logit); +} +/* +** DUMPFD -- dump a file descriptor +** +** Parameters: +** fd -- the file descriptor to dump. +** printclosed -- if set, print a notification even if +** it is closed; otherwise print nothing. +** logit -- if set, use sm_syslog instead of sm_dprintf() +** +** Returns: +** none. +*/ + +void +dumpfd(fd, printclosed, logit) + int fd; + bool printclosed; + bool logit; +{ + register char *p; + char *hp; +#ifdef S_IFSOCK + SOCKADDR sa; +#endif /* S_IFSOCK */ + auto SOCKADDR_LEN_T slen; + int i; +#if STAT64 > 0 + struct stat64 st; +#else /* STAT64 > 0 */ + struct stat st; +#endif /* STAT64 > 0 */ + char buf[200]; + + p = buf; + (void) sm_snprintf(p, SPACELEFT(buf, p), "%3d: ", fd); + p += strlen(p); + + if ( +#if STAT64 > 0 + fstat64(fd, &st) +#else /* STAT64 > 0 */ + fstat(fd, &st) +#endif /* STAT64 > 0 */ + < 0) + { + if (errno != EBADF) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), + "CANNOT STAT (%s)", + sm_errstring(errno)); + goto printit; + } + else if (printclosed) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), "CLOSED"); + goto printit; + } + return; + } + + i = fcntl(fd, F_GETFL, 0); + if (i != -1) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), "fl=0x%x, ", i); + p += strlen(p); + } + + (void) sm_snprintf(p, SPACELEFT(buf, p), "mode=%o: ", + (int) st.st_mode); + p += strlen(p); + switch (st.st_mode & S_IFMT) + { +#ifdef S_IFSOCK + case S_IFSOCK: + (void) sm_snprintf(p, SPACELEFT(buf, p), "SOCK "); + p += strlen(p); + memset(&sa, '\0', sizeof sa); + slen = sizeof sa; + if (getsockname(fd, &sa.sa, &slen) < 0) + (void) sm_snprintf(p, SPACELEFT(buf, p), "(%s)", + sm_errstring(errno)); + else + { + hp = hostnamebyanyaddr(&sa); + if (hp == NULL) + { + /* EMPTY */ + /* do nothing */ + } +# if NETINET + else if (sa.sa.sa_family == AF_INET) + (void) sm_snprintf(p, SPACELEFT(buf, p), + "%s/%d", hp, ntohs(sa.sin.sin_port)); +# endif /* NETINET */ +# if NETINET6 + else if (sa.sa.sa_family == AF_INET6) + (void) sm_snprintf(p, SPACELEFT(buf, p), + "%s/%d", hp, ntohs(sa.sin6.sin6_port)); +# endif /* NETINET6 */ + else + (void) sm_snprintf(p, SPACELEFT(buf, p), + "%s", hp); + } + p += strlen(p); + (void) sm_snprintf(p, SPACELEFT(buf, p), "->"); + p += strlen(p); + slen = sizeof sa; + if (getpeername(fd, &sa.sa, &slen) < 0) + (void) sm_snprintf(p, SPACELEFT(buf, p), "(%s)", + sm_errstring(errno)); + else + { + hp = hostnamebyanyaddr(&sa); + if (hp == NULL) + { + /* EMPTY */ + /* do nothing */ + } +# if NETINET + else if (sa.sa.sa_family == AF_INET) + (void) sm_snprintf(p, SPACELEFT(buf, p), + "%s/%d", hp, ntohs(sa.sin.sin_port)); +# endif /* NETINET */ +# if NETINET6 + else if (sa.sa.sa_family == AF_INET6) + (void) sm_snprintf(p, SPACELEFT(buf, p), + "%s/%d", hp, ntohs(sa.sin6.sin6_port)); +# endif /* NETINET6 */ + else + (void) sm_snprintf(p, SPACELEFT(buf, p), + "%s", hp); + } + break; +#endif /* S_IFSOCK */ + + case S_IFCHR: + (void) sm_snprintf(p, SPACELEFT(buf, p), "CHR: "); + p += strlen(p); + goto defprint; + +#ifdef S_IFBLK + case S_IFBLK: + (void) sm_snprintf(p, SPACELEFT(buf, p), "BLK: "); + p += strlen(p); + goto defprint; +#endif /* S_IFBLK */ + +#if defined(S_IFIFO) && (!defined(S_IFSOCK) || S_IFIFO != S_IFSOCK) + case S_IFIFO: + (void) sm_snprintf(p, SPACELEFT(buf, p), "FIFO: "); + p += strlen(p); + goto defprint; +#endif /* defined(S_IFIFO) && (!defined(S_IFSOCK) || S_IFIFO != S_IFSOCK) */ + +#ifdef S_IFDIR + case S_IFDIR: + (void) sm_snprintf(p, SPACELEFT(buf, p), "DIR: "); + p += strlen(p); + goto defprint; +#endif /* S_IFDIR */ + +#ifdef S_IFLNK + case S_IFLNK: + (void) sm_snprintf(p, SPACELEFT(buf, p), "LNK: "); + p += strlen(p); + goto defprint; +#endif /* S_IFLNK */ + + default: +defprint: + (void) sm_snprintf(p, SPACELEFT(buf, p), + "dev=%d/%d, ino=%llu, nlink=%d, u/gid=%d/%d, ", + major(st.st_dev), minor(st.st_dev), + (ULONGLONG_T) st.st_ino, + (int) st.st_nlink, (int) st.st_uid, + (int) st.st_gid); + p += strlen(p); + (void) sm_snprintf(p, SPACELEFT(buf, p), "size=%llu", + (ULONGLONG_T) st.st_size); + break; + } + +printit: + if (logit) + sm_syslog(LOG_DEBUG, CurEnv ? CurEnv->e_id : NULL, + "%.800s", buf); + else + sm_dprintf("%s\n", buf); +} +/* +** SHORTEN_HOSTNAME -- strip local domain information off of hostname. +** +** Parameters: +** host -- the host to shorten (stripped in place). +** +** Returns: +** place where string was truncated, NULL if not truncated. +*/ + +char * +shorten_hostname(host) + char host[]; +{ + register char *p; + char *mydom; + int i; + bool canon = false; + + /* strip off final dot */ + i = strlen(host); + p = &host[(i == 0) ? 0 : i - 1]; + if (*p == '.') + { + *p = '\0'; + canon = true; + } + + /* see if there is any domain at all -- if not, we are done */ + p = strchr(host, '.'); + if (p == NULL) + return NULL; + + /* yes, we have a domain -- see if it looks like us */ + mydom = macvalue('m', CurEnv); + if (mydom == NULL) + mydom = ""; + i = strlen(++p); + if ((canon ? sm_strcasecmp(p, mydom) + : sm_strncasecmp(p, mydom, i)) == 0 && + (mydom[i] == '.' || mydom[i] == '\0')) + { + *--p = '\0'; + return p; + } + return NULL; +} +/* +** PROG_OPEN -- open a program for reading +** +** Parameters: +** argv -- the argument list. +** pfd -- pointer to a place to store the file descriptor. +** e -- the current envelope. +** +** Returns: +** pid of the process -- -1 if it failed. +*/ + +pid_t +prog_open(argv, pfd, e) + char **argv; + int *pfd; + ENVELOPE *e; +{ + pid_t pid; + int save_errno; + int sff; + int ret; + int fdv[2]; + char *p, *q; + char buf[MAXPATHLEN]; + extern int DtableSize; + + if (pipe(fdv) < 0) + { + syserr("%s: cannot create pipe for stdout", argv[0]); + return -1; + } + pid = fork(); + if (pid < 0) + { + syserr("%s: cannot fork", argv[0]); + (void) close(fdv[0]); + (void) close(fdv[1]); + return -1; + } + if (pid > 0) + { + /* parent */ + (void) close(fdv[1]); + *pfd = fdv[0]; + return pid; + } + + /* Reset global flags */ + RestartRequest = NULL; + RestartWorkGroup = false; + ShutdownRequest = NULL; + PendingSignal = 0; + CurrentPid = getpid(); + + /* + ** Initialize exception stack and default exception + ** handler for child process. + */ + + sm_exc_newthread(fatal_error); + + /* child -- close stdin */ + (void) close(0); + + /* stdout goes back to parent */ + (void) close(fdv[0]); + if (dup2(fdv[1], 1) < 0) + { + syserr("%s: cannot dup2 for stdout", argv[0]); + _exit(EX_OSERR); + } + (void) close(fdv[1]); + + /* stderr goes to transcript if available */ + if (e->e_xfp != NULL) + { + int xfd; + + xfd = sm_io_getinfo(e->e_xfp, SM_IO_WHAT_FD, NULL); + if (xfd >= 0 && dup2(xfd, 2) < 0) + { + syserr("%s: cannot dup2 for stderr", argv[0]); + _exit(EX_OSERR); + } + } + + /* this process has no right to the queue file */ + if (e->e_lockfp != NULL) + (void) close(sm_io_getinfo(e->e_lockfp, SM_IO_WHAT_FD, NULL)); + + /* chroot to the program mailer directory, if defined */ + if (ProgMailer != NULL && ProgMailer->m_rootdir != NULL) + { + expand(ProgMailer->m_rootdir, buf, sizeof buf, e); + if (chroot(buf) < 0) + { + syserr("prog_open: cannot chroot(%s)", buf); + exit(EX_TEMPFAIL); + } + if (chdir("/") < 0) + { + syserr("prog_open: cannot chdir(/)"); + exit(EX_TEMPFAIL); + } + } + + /* run as default user */ + endpwent(); + sm_mbdb_terminate(); + if (setgid(DefGid) < 0 && geteuid() == 0) + { + syserr("prog_open: setgid(%ld) failed", (long) DefGid); + exit(EX_TEMPFAIL); + } + if (setuid(DefUid) < 0 && geteuid() == 0) + { + syserr("prog_open: setuid(%ld) failed", (long) DefUid); + exit(EX_TEMPFAIL); + } + + /* run in some directory */ + if (ProgMailer != NULL) + p = ProgMailer->m_execdir; + else + p = NULL; + for (; p != NULL; p = q) + { + q = strchr(p, ':'); + if (q != NULL) + *q = '\0'; + expand(p, buf, sizeof buf, e); + if (q != NULL) + *q++ = ':'; + if (buf[0] != '\0' && chdir(buf) >= 0) + break; + } + if (p == NULL) + { + /* backup directories */ + if (chdir("/tmp") < 0) + (void) chdir("/"); + } + + /* Check safety of program to be run */ + sff = SFF_ROOTOK|SFF_EXECOK; + if (!bitnset(DBS_RUNWRITABLEPROGRAM, DontBlameSendmail)) + sff |= SFF_NOGWFILES|SFF_NOWWFILES; + if (bitnset(DBS_RUNPROGRAMINUNSAFEDIRPATH, DontBlameSendmail)) + sff |= SFF_NOPATHCHECK; + else + sff |= SFF_SAFEDIRPATH; + ret = safefile(argv[0], DefUid, DefGid, DefUser, sff, 0, NULL); + if (ret != 0) + sm_syslog(LOG_INFO, e->e_id, + "Warning: prog_open: program %s unsafe: %s", + argv[0], sm_errstring(ret)); + + /* arrange for all the files to be closed */ + sm_close_on_exec(STDERR_FILENO + 1, DtableSize); + + /* now exec the process */ + (void) execve(argv[0], (ARGV_T) argv, (ARGV_T) UserEnviron); + + /* woops! failed */ + save_errno = errno; + syserr("%s: cannot exec", argv[0]); + if (transienterror(save_errno)) + _exit(EX_OSERR); + _exit(EX_CONFIG); + return -1; /* avoid compiler warning on IRIX */ +} +/* +** GET_COLUMN -- look up a Column in a line buffer +** +** Parameters: +** line -- the raw text line to search. +** col -- the column number to fetch. +** delim -- the delimiter between columns. If null, +** use white space. +** buf -- the output buffer. +** buflen -- the length of buf. +** +** Returns: +** buf if successful. +** NULL otherwise. +*/ + +char * +get_column(line, col, delim, buf, buflen) + char line[]; + int col; + int delim; + char buf[]; + int buflen; +{ + char *p; + char *begin, *end; + int i; + char delimbuf[4]; + + if ((char) delim == '\0') + (void) sm_strlcpy(delimbuf, "\n\t ", sizeof delimbuf); + else + { + delimbuf[0] = (char) delim; + delimbuf[1] = '\0'; + } + + p = line; + if (*p == '\0') + return NULL; /* line empty */ + if (*p == (char) delim && col == 0) + return NULL; /* first column empty */ + + begin = line; + + if (col == 0 && (char) delim == '\0') + { + while (*begin != '\0' && isascii(*begin) && isspace(*begin)) + begin++; + } + + for (i = 0; i < col; i++) + { + if ((begin = strpbrk(begin, delimbuf)) == NULL) + return NULL; /* no such column */ + begin++; + if ((char) delim == '\0') + { + while (*begin != '\0' && isascii(*begin) && isspace(*begin)) + begin++; + } + } + + end = strpbrk(begin, delimbuf); + if (end == NULL) + i = strlen(begin); + else + i = end - begin; + if (i >= buflen) + i = buflen - 1; + (void) sm_strlcpy(buf, begin, i + 1); + return buf; +} +/* +** CLEANSTRCPY -- copy string keeping out bogus characters +** +** Parameters: +** t -- "to" string. +** f -- "from" string. +** l -- length of space available in "to" string. +** +** Returns: +** none. +*/ + +void +cleanstrcpy(t, f, l) + register char *t; + register char *f; + int l; +{ + /* check for newlines and log if necessary */ + (void) denlstring(f, true, true); + + if (l <= 0) + syserr("!cleanstrcpy: length == 0"); + + l--; + while (l > 0 && *f != '\0') + { + if (isascii(*f) && + (isalnum(*f) || strchr("!#$%&'*+-./^_`{|}~", *f) != NULL)) + { + l--; + *t++ = *f; + } + f++; + } + *t = '\0'; +} +/* +** DENLSTRING -- convert newlines in a string to spaces +** +** Parameters: +** s -- the input string +** strict -- if set, don't permit continuation lines. +** logattacks -- if set, log attempted attacks. +** +** Returns: +** A pointer to a version of the string with newlines +** mapped to spaces. This should be copied. +*/ + +char * +denlstring(s, strict, logattacks) + char *s; + bool strict; + bool logattacks; +{ + register char *p; + int l; + static char *bp = NULL; + static int bl = 0; + + p = s; + while ((p = strchr(p, '\n')) != NULL) + if (strict || (*++p != ' ' && *p != '\t')) + break; + if (p == NULL) + return s; + + l = strlen(s) + 1; + if (bl < l) + { + /* allocate more space */ + char *nbp = sm_pmalloc_x(l); + + if (bp != NULL) + sm_free(bp); + bp = nbp; + bl = l; + } + (void) sm_strlcpy(bp, s, l); + for (p = bp; (p = strchr(p, '\n')) != NULL; ) + *p++ = ' '; + + if (logattacks) + { + sm_syslog(LOG_NOTICE, CurEnv->e_id, + "POSSIBLE ATTACK from %.100s: newline in string \"%s\"", + RealHostName == NULL ? "[UNKNOWN]" : RealHostName, + shortenstring(bp, MAXSHORTSTR)); + } + + return bp; +} + +/* +** STRREPLNONPRT -- replace "unprintable" characters in a string with subst +** +** Parameters: +** s -- string to manipulate (in place) +** subst -- character to use as replacement +** +** Returns: +** true iff string did not contain "unprintable" characters +*/ + +bool +strreplnonprt(s, c) + char *s; + int c; +{ + bool ok; + + ok = true; + if (s == NULL) + return ok; + while (*s != '\0') + { + if (!(isascii(*s) && isprint(*s))) + { + *s = c; + ok = false; + } + ++s; + } + return ok; +} + +/* +** STR2PRT -- convert "unprintable" characters in a string to \oct +** +** Parameters: +** s -- string to convert +** +** Returns: +** converted string. +** This is a static local buffer, string must be copied +** before this function is called again! +*/ + +char * +str2prt(s) + char *s; +{ + int l; + char c, *h; + bool ok; + static int len = 0; + static char *buf = NULL; + + if (s == NULL) + return NULL; + ok = true; + for (h = s, l = 1; *h != '\0'; h++, l++) + { + if (*h == '\\') + { + ++l; + ok = false; + } + else if (!(isascii(*h) && isprint(*h))) + { + l += 3; + ok = false; + } + } + if (ok) + return s; + if (l > len) + { + char *nbuf = sm_pmalloc_x(l); + + if (buf != NULL) + sm_free(buf); + len = l; + buf = nbuf; + } + for (h = buf; *s != '\0' && l > 0; s++, l--) + { + c = *s; + if (isascii(c) && isprint(c) && c != '\\') + { + *h++ = c; + } + else + { + *h++ = '\\'; + --l; + switch (c) + { + case '\\': + *h++ = '\\'; + break; + case '\t': + *h++ = 't'; + break; + case '\n': + *h++ = 'n'; + break; + case '\r': + *h++ = 'r'; + break; + default: + (void) sm_snprintf(h, l, "%03o", + (unsigned int)((unsigned char) c)); + + /* + ** XXX since l is unsigned this may + ** wrap around if the calculation is screwed + ** up... + */ + + l -= 2; + h += 3; + break; + } + } + } + *h = '\0'; + buf[len - 1] = '\0'; + return buf; +} +/* +** PATH_IS_DIR -- check to see if file exists and is a directory. +** +** There are some additional checks for security violations in +** here. This routine is intended to be used for the host status +** support. +** +** Parameters: +** pathname -- pathname to check for directory-ness. +** createflag -- if set, create directory if needed. +** +** Returns: +** true -- if the indicated pathname is a directory +** false -- otherwise +*/ + +bool +path_is_dir(pathname, createflag) + char *pathname; + bool createflag; +{ + struct stat statbuf; + +#if HASLSTAT + if (lstat(pathname, &statbuf) < 0) +#else /* HASLSTAT */ + if (stat(pathname, &statbuf) < 0) +#endif /* HASLSTAT */ + { + if (errno != ENOENT || !createflag) + return false; + if (mkdir(pathname, 0755) < 0) + return false; + return true; + } + if (!S_ISDIR(statbuf.st_mode)) + { + errno = ENOTDIR; + return false; + } + + /* security: don't allow writable directories */ + if (bitset(S_IWGRP|S_IWOTH, statbuf.st_mode)) + { + errno = EACCES; + return false; + } + return true; +} +/* +** PROC_LIST_ADD -- add process id to list of our children +** +** Parameters: +** pid -- pid to add to list. +** task -- task of pid. +** type -- type of process. +** count -- number of processes. +** other -- other information for this type. +** +** Returns: +** none +** +** Side Effects: +** May increase CurChildren. May grow ProcList. +*/ + +typedef struct procs PROCS_T; + +struct procs +{ + pid_t proc_pid; + char *proc_task; + int proc_type; + int proc_count; + int proc_other; + SOCKADDR proc_hostaddr; +}; + +static PROCS_T *volatile ProcListVec = NULL; +static int ProcListSize = 0; + +void +proc_list_add(pid, task, type, count, other, hostaddr) + pid_t pid; + char *task; + int type; + int count; + int other; + SOCKADDR *hostaddr; +{ + int i; + + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == NO_PID) + break; + } + if (i >= ProcListSize) + { + /* probe the existing vector to avoid growing infinitely */ + proc_list_probe(); + + /* now scan again */ + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == NO_PID) + break; + } + } + if (i >= ProcListSize) + { + /* grow process list */ + PROCS_T *npv; + + SM_ASSERT(ProcListSize < INT_MAX - PROC_LIST_SEG); + npv = (PROCS_T *) sm_pmalloc_x((sizeof *npv) * + (ProcListSize + PROC_LIST_SEG)); + if (ProcListSize > 0) + { + memmove(npv, ProcListVec, + ProcListSize * sizeof (PROCS_T)); + sm_free(ProcListVec); + } + + /* XXX just use memset() to initialize this part? */ + for (i = ProcListSize; i < ProcListSize + PROC_LIST_SEG; i++) + { + npv[i].proc_pid = NO_PID; + npv[i].proc_task = NULL; + npv[i].proc_type = PROC_NONE; + } + i = ProcListSize; + ProcListSize += PROC_LIST_SEG; + ProcListVec = npv; + } + ProcListVec[i].proc_pid = pid; + PSTRSET(ProcListVec[i].proc_task, task); + ProcListVec[i].proc_type = type; + ProcListVec[i].proc_count = count; + ProcListVec[i].proc_other = other; + if (hostaddr != NULL) + ProcListVec[i].proc_hostaddr = *hostaddr; + else + memset(&ProcListVec[i].proc_hostaddr, 0, + sizeof(ProcListVec[i].proc_hostaddr)); + + /* if process adding itself, it's not a child */ + if (pid != CurrentPid) + { + SM_ASSERT(CurChildren < INT_MAX); + CurChildren++; + } +} +/* +** PROC_LIST_SET -- set pid task in process list +** +** Parameters: +** pid -- pid to set +** task -- task of pid +** +** Returns: +** none. +*/ + +void +proc_list_set(pid, task) + pid_t pid; + char *task; +{ + int i; + + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == pid) + { + PSTRSET(ProcListVec[i].proc_task, task); + break; + } + } +} +/* +** PROC_LIST_DROP -- drop pid from process list +** +** Parameters: +** pid -- pid to drop +** st -- process status +** other -- storage for proc_other (return). +** +** Returns: +** none. +** +** Side Effects: +** May decrease CurChildren, CurRunners, or +** set RestartRequest or ShutdownRequest. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +void +proc_list_drop(pid, st, other) + pid_t pid; + int st; + int *other; +{ + int i; + int type = PROC_NONE; + + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == pid) + { + ProcListVec[i].proc_pid = NO_PID; + type = ProcListVec[i].proc_type; + if (other != NULL) + *other = ProcListVec[i].proc_other; + break; + } + } + if (CurChildren > 0) + CurChildren--; + + + if (type == PROC_CONTROL && WIFEXITED(st)) + { + /* if so, see if we need to restart or shutdown */ + if (WEXITSTATUS(st) == EX_RESTART) + RestartRequest = "control socket"; + else if (WEXITSTATUS(st) == EX_SHUTDOWN) + ShutdownRequest = "control socket"; + } + else if (type == PROC_QUEUE_CHILD && !WIFSTOPPED(st) && + ProcListVec[i].proc_other > -1) + { + /* restart this persistent runner */ + mark_work_group_restart(ProcListVec[i].proc_other, st); + } + else if (type == PROC_QUEUE) + CurRunners -= ProcListVec[i].proc_count; +} +/* +** PROC_LIST_CLEAR -- clear the process list +** +** Parameters: +** none. +** +** Returns: +** none. +** +** Side Effects: +** Sets CurChildren to zero. +*/ + +void +proc_list_clear() +{ + int i; + + /* start from 1 since 0 is the daemon itself */ + for (i = 1; i < ProcListSize; i++) + ProcListVec[i].proc_pid = NO_PID; + CurChildren = 0; +} +/* +** PROC_LIST_PROBE -- probe processes in the list to see if they still exist +** +** Parameters: +** none +** +** Returns: +** none +** +** Side Effects: +** May decrease CurChildren. +*/ + +void +proc_list_probe() +{ + int i; + + /* start from 1 since 0 is the daemon itself */ + for (i = 1; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == NO_PID) + continue; + if (kill(ProcListVec[i].proc_pid, 0) < 0) + { + if (LogLevel > 3) + sm_syslog(LOG_DEBUG, CurEnv->e_id, + "proc_list_probe: lost pid %d", + (int) ProcListVec[i].proc_pid); + ProcListVec[i].proc_pid = NO_PID; + SM_FREE_CLR(ProcListVec[i].proc_task); + CurChildren--; + } + } + if (CurChildren < 0) + CurChildren = 0; +} + +/* +** PROC_LIST_DISPLAY -- display the process list +** +** Parameters: +** out -- output file pointer +** prefix -- string to output in front of each line. +** +** Returns: +** none. +*/ + +void +proc_list_display(out, prefix) + SM_FILE_T *out; + char *prefix; +{ + int i; + + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == NO_PID) + continue; + + (void) sm_io_fprintf(out, SM_TIME_DEFAULT, "%s%d %s%s\n", + prefix, + (int) ProcListVec[i].proc_pid, + ProcListVec[i].proc_task != NULL ? + ProcListVec[i].proc_task : "(unknown)", + (OpMode == MD_SMTP || + OpMode == MD_DAEMON || + OpMode == MD_ARPAFTP) ? "\r" : ""); + } +} + +/* +** PROC_LIST_SIGNAL -- send a signal to a type of process in the list +** +** Parameters: +** type -- type of process to signal +** signal -- the type of signal to send +** +** Results: +** none. +** +** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD +** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE +** DOING. +*/ + +void +proc_list_signal(type, signal) + int type; + int signal; +{ + int chldwasblocked; + int alrmwasblocked; + int i; + pid_t mypid = getpid(); + + /* block these signals so that we may signal cleanly */ + chldwasblocked = sm_blocksignal(SIGCHLD); + alrmwasblocked = sm_blocksignal(SIGALRM); + + /* Find all processes of type and send signal */ + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == NO_PID || + ProcListVec[i].proc_pid == mypid) + continue; + if (ProcListVec[i].proc_type != type) + continue; + (void) kill(ProcListVec[i].proc_pid, signal); + } + + /* restore the signals */ + if (alrmwasblocked == 0) + (void) sm_releasesignal(SIGALRM); + if (chldwasblocked == 0) + (void) sm_releasesignal(SIGCHLD); +} + +/* +** COUNT_OPEN_CONNECTIONS +** +** Parameters: +** hostaddr - ClientAddress +** +** Returns: +** the number of open connections for this client +** +*/ + +int +count_open_connections(hostaddr) + SOCKADDR *hostaddr; +{ + int i, n; + + if (hostaddr == NULL) + return 0; + n = 0; + for (i = 0; i < ProcListSize; i++) + { + if (ProcListVec[i].proc_pid == NO_PID) + continue; + + if (hostaddr->sa.sa_family != + ProcListVec[i].proc_hostaddr.sa.sa_family) + continue; +#if NETINET + if (hostaddr->sa.sa_family == AF_INET && + (hostaddr->sin.sin_addr.s_addr == + ProcListVec[i].proc_hostaddr.sin.sin_addr.s_addr)) + n++; +#endif /* NETINET */ +#if NETINET6 + if (hostaddr->sa.sa_family == AF_INET6 && + IN6_ARE_ADDR_EQUAL(&(hostaddr->sin6.sin6_addr), + &(ProcListVec[i].proc_hostaddr.sin6.sin6_addr))) + n++; +#endif /* NETINET6 */ + } + return n; +} diff --git a/contrib/sendmail-8.13.4/sendmail/version.c b/contrib/sendmail-8.13.4/sendmail/version.c new file mode 100644 index 0000000000..9fcf31cc36 --- /dev/null +++ b/contrib/sendmail-8.13.4/sendmail/version.c @@ -0,0 +1,18 @@ +/* + * Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_RCSID("@(#)$Id: version.c,v 8.145 2005/03/25 18:44:44 ca Exp $") + +char Version[] = "8.13.4"; diff --git a/contrib/sendmail-8.13.4/smrsh/Makefile b/contrib/sendmail-8.13.4/smrsh/Makefile new file mode 100644 index 0000000000..a9c4af7a2a --- /dev/null +++ b/contrib/sendmail-8.13.4/smrsh/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.5 1999/09/23 22:36:43 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/smrsh/Makefile.m4 b/contrib/sendmail-8.13.4/smrsh/Makefile.m4 new file mode 100644 index 0000000000..1fa55349b0 --- /dev/null +++ b/contrib/sendmail-8.13.4/smrsh/Makefile.m4 @@ -0,0 +1,21 @@ +dnl $Id: Makefile.m4,v 8.35 2002/06/21 22:01:52 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `smrsh') +define(`bldINSTALL_DIR', `E') +define(`bldSOURCES', `smrsh.c ') +bldPUSH_SMLIB(`sm') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `smrsh') +define(`bldSOURCES', `smrsh.8') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/smrsh/README b/contrib/sendmail-8.13.4/smrsh/README new file mode 100644 index 0000000000..0719a3f506 --- /dev/null +++ b/contrib/sendmail-8.13.4/smrsh/README @@ -0,0 +1,166 @@ + +README smrsh - sendmail restricted shell. + +This README file is provided as a courtesy of the CERT Coordination Center, +Software Engineering Institute, Carnegie Mellon University. This file is +intended as a supplement to the CERT advisory CA-93:16.sendmail.vulnerability, +and to the software, smrsh.c, written by Eric Allman. + + + +The smrsh(8) program is intended as a replacement for /bin/sh in the +program mailer definition of sendmail(8). This README file describes +the steps needed to compile and install smrsh. + +smrsh is a restricted shell utility that provides the ability to +specify, through a configuration, an explicit list of executable +programs. When used in conjunction with sendmail, smrsh effectively +limits sendmail's scope of program execution to only those programs +specified in smrsh's configuration. + +smrsh has been written with portability in mind, and uses traditional +Unix library utilities. As such, smrsh should compile on most +Unix C compilers. + +smrsh should build on most systems with the enclosed Build script: + + host.domain% sh Build + +To compile smrsh.c by hand, use the following command: + + host.domain% cc -o smrsh smrsh.c + +For machines that provide dynamic linking, it is advisable to compile +smrsh without dynamic linking. As an example with the Sun Microsystems +compiler, you should compile with the -Bstatic option. + + host.domain% cc -Bstatic -o smrsh smrsh.c + or + host.domain% sh Build LDOPTS=-Bstatic + +With gcc, the GNU C compiler, use the -static option. + + host.domain% cc -static -o smrsh smrsh.c + or + host.domain% sh Build LDOPTS=-static + +The following C defines can be set defined to change the search path and +the bin directory used by smrsh. + +-DSMRSH_PATH=\"path\" \"/bin:/usr/bin:/usr/ucb\" The default search + path. +-DSMRSH_CMDDIR=\"dir\" \"/usr/adm/sm.bin\" The default smrsh + program directory + +These can be added to the devtools/Site/site.config.m4 file using the +global M4 macro confENVDEF or the smrsh specific M4 macro +conf_smrsh_ENVDEF. + +As root, install smrsh in /usr/libexec. Using the Build script: + + host.domain# sh Build install + +For manual installation: install smrsh in the /usr/libexec +directory, with mode 511. + + host.domain# mv smrsh /usr/libexec + host.domain# chmod 511 /usr/libexec/smrsh + + + +Next, determine the list of commands that smrsh should allow sendmail +to run. This list of allowable commands can be determined by: + + 1. examining your /etc/mail/aliases file, to indicate what commands + are being used by the system. + + 2. surveying your host's .forward files, to determine what + commands users have specified. + +See the man page for aliases(5) if you are unfamiliar with the format of +these specifications. Additionally, you should include in the list, +popular commands such as /usr/ucb/vacation. + +You should NOT include interpreter programs such as sh(1), csh(1), +perl(1), uudecode(1) or the stream editor sed(1) in your list of +acceptable commands. + +If your platform doesn't have a default SMRSH_CMDDIR setting, you will +next need to create the directory /usr/adm/sm.bin and populate +it with the programs that your site feels are allowable for sendmail +to execute. This directory is explicitly specified in the source +code for smrsh, so changing this directory must be accompanied with +a change in smrsh.c. + + +You will have to be root to make these modifications. + +After creating the /usr/adm/sm.bin directory, either copy the programs +to the directory, or establish links to the allowable programs from +/usr/adm/sm.bin. Change the file permissions, so that these programs +can not be modified by non-root users. If you use links, you should +ensure that the target programs are not modifiable. + +To allow the popular vacation(1) program by creating a link in the +/usr/adm/sm.bin directory, you should: + + host.domain# cd /usr/adm/sm.bin + host.domain# ln -s /usr/ucb/vacation vacation + + + + +After populating the /usr/adm/sm.bin directory, you can now configure +sendmail to use the restricted shell. Save the current sendmail.cf +file prior to modifying it, as a prudent precaution. + +Typically, the program mailer is defined by a single line in the +sendmail configuration file, sendmail.cf. This file is traditionally +found in the /etc, /usr/lib or /etc/mail directories, depending on +the UNIX vendor. + +If you are unsure of the location of the actual sendmail configuration +file, a search of the strings(1) output of the sendmail binary, will +help to locate it. + +In order to configure sendmail to use smrsh, you must modify the Mprog +definition in the sendmail.cf file, by replacing the /bin/sh specification +with /usr/libexec/smrsh. + +As an example: + +In most Sun Microsystems' sendmail.cf files, the line is: +Mprog, P=/bin/sh, F=lsDFMeuP, S=10, R=20, A=sh -c $u + +which should be changed to: +Mprog, P=/usr/libexec/smrsh, F=lsDFMeuP, S=10, R=20, A=sh -c $u + ^^^^^^^^^^^^^^^^^^ + +A more generic line may be: +Mprog, P=/bin/sh, F=lsDFM, A=sh -c $u + +and should be changed to; +Mprog, P=/usr/libexec/smrsh, F=lsDFM, A=sh -c $u + + +After modifying the Mprog definition in the sendmail.cf file, if a frozen +configuration file is being used, it is essential to create a new one. +You can determine if you need a frozen configuration by discovering +if a sendmail.fc file currently exists in either the /etc/, /usr/lib, +or /etc/mail directories. The specific location can be determined using +a search of the strings(1) output of the sendmail binary. + +In order to create a new frozen configuration, if it is required: + host.domain# /usr/lib/sendmail -bz + +Now re-start the sendmail process. An example of how to do this on +a typical system follows: + + host.domain# cat /var/run/sendmail.pid + 130 + /usr/sbin/sendmail -bd -q30m + host.domain# /bin/kill -15 130 + host.domain# /usr/sbin/sendmail -bd -q30m + + +$Revision: 8.9 $, Last updated $Date: 2003/05/26 04:30:58 $ diff --git a/contrib/sendmail-8.13.4/smrsh/smrsh.8 b/contrib/sendmail-8.13.4/smrsh/smrsh.8 new file mode 100644 index 0000000000..b84c9e2ec2 --- /dev/null +++ b/contrib/sendmail-8.13.4/smrsh/smrsh.8 @@ -0,0 +1,98 @@ +.\" Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1993 Eric P. Allman. All rights reserved. +.\" Copyright (c) 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: smrsh.8,v 8.22 2004/08/06 03:55:35 gshapiro Exp $ +.\" +.TH SMRSH 8 "$Date: 2004/08/06 03:55:35 $" +.SH NAME +smrsh \- restricted shell for sendmail +.SH SYNOPSIS +.B smrsh +.B \-c +command +.SH DESCRIPTION +The +.I smrsh +program is intended as a replacement for +.I sh +for use in the ``prog'' mailer in +.IR sendmail (8) +configuration files. +It sharply limits the commands that can be run using the +``|program'' syntax of +.I sendmail +in order to improve the over all security of your system. +Briefly, even if a ``bad guy'' can get sendmail to run a program +without going through an alias or forward file, +.I smrsh +limits the set of programs that he or she can execute. +.PP +Briefly, +.I smrsh +limits programs to be in a single directory, +by default +/usr/adm/sm.bin, +allowing the system administrator to choose the set of acceptable commands, +and to the shell builtin commands ``exec'', ``exit'', and ``echo''. +It also rejects any commands with the characters +`\`', `<', `>', `;', `$', `(', `)', `\er' (carriage return), +or `\en' (newline) +on the command line to prevent ``end run'' attacks. +It allows ``||'' and ``&&'' to enable commands like: +``"|exec /usr/local/bin/filter || exit 75"'' +.PP +Initial pathnames on programs are stripped, +so forwarding to ``/usr/ucb/vacation'', +``/usr/bin/vacation'', +``/home/server/mydir/bin/vacation'', +and +``vacation'' +all actually forward to +``/usr/adm/sm.bin/vacation''. +.PP +System administrators should be conservative about populating +the sm.bin directory. +For example, a reasonable additions is +.IR vacation (1), +and the like. +No matter how brow-beaten you may be, +never include any shell or shell-like program +(such as +.IR perl (1)) +in the +sm.bin +directory. +Note that this does not restrict the use of shell or perl scripts +in the sm.bin directory (using the ``#!'' syntax); +it simply disallows execution of arbitrary programs. +Also, including mail filtering programs such as +.IR procmail (1) +is a very bad idea. +.IR procmail (1) +allows users to run arbitrary programs in their +.IR procmailrc (5). +.SH COMPILATION +Compilation should be trivial on most systems. +You may need to use \-DSMRSH_PATH=\e"\fIpath\fP\e" +to adjust the default search path +(defaults to ``/bin:/usr/bin:/usr/ucb'') +and/or \-DSMRSH_CMDDIR=\e"\fIdir\fP\e" +to change the default program directory +(defaults to ``/usr/adm/sm.bin''). +.SH FILES +/usr/adm/sm.bin \- default directory for restricted programs on most OSs +.PP +/var/adm/sm.bin \- directory for restricted programs on HP UX and Solaris +.PP +/usr/libexec/sm.bin \- directory for restricted programs on FreeBSD (>= 3.3) and DragonFly BSD + +.SH SEE ALSO +sendmail(8) diff --git a/contrib/sendmail-8.13.4/smrsh/smrsh.c b/contrib/sendmail-8.13.4/smrsh/smrsh.c new file mode 100644 index 0000000000..284ffef770 --- /dev/null +++ b/contrib/sendmail-8.13.4/smrsh/smrsh.c @@ -0,0 +1,440 @@ +/* + * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1993 Eric P. Allman. All rights reserved. + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1993 Eric P. Allman. All rights reserved.\n\ + Copyright (c) 1993\n\ + The Regents of the University of California. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: smrsh.c,v 8.65 2004/08/06 18:54:22 ca Exp $") + +/* +** SMRSH -- sendmail restricted shell +** +** This is a patch to get around the prog mailer bugs in most +** versions of sendmail. +** +** Use this in place of /bin/sh in the "prog" mailer definition +** in your sendmail.cf file. You then create CMDDIR (owned by +** root, mode 755) and put links to any programs you want +** available to prog mailers in that directory. This should +** include things like "vacation" and "procmail", but not "sed" +** or "sh". +** +** Leading pathnames are stripped from program names so that +** existing .forward files that reference things like +** "/usr/bin/vacation" will continue to work. +** +** The following characters are completely illegal: +** < > ^ & ` ( ) \n \r +** The following characters are sometimes illegal: +** | & +** This is more restrictive than strictly necessary. +** +** To use this, add FEATURE(`smrsh') to your .mc file. +** +** This can be used on any version of sendmail. +** +** In loving memory of RTM. 11/02/93. +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef EX_OK +# undef EX_OK +#endif /* EX_OK */ +#include +#include +#include + +#include +#include + +/* directory in which all commands must reside */ +#ifndef CMDDIR +# ifdef SMRSH_CMDDIR +# define CMDDIR SMRSH_CMDDIR +# else /* SMRSH_CMDDIR */ +# define CMDDIR "/usr/adm/sm.bin" +# endif /* SMRSH_CMDDIR */ +#endif /* ! CMDDIR */ + +/* characters disallowed in the shell "-c" argument */ +#define SPECIALS "<|>^();&`$\r\n" + +/* default search path */ +#ifndef PATH +# ifdef SMRSH_PATH +# define PATH SMRSH_PATH +# else /* SMRSH_PATH */ +# define PATH "/bin:/usr/bin:/usr/ucb" +# endif /* SMRSH_PATH */ +#endif /* ! PATH */ + +char newcmdbuf[1000]; +char *prg, *par; + +static void addcmd __P((char *, bool, size_t)); + +/* +** ADDCMD -- add a string to newcmdbuf, check for overflow +** +** Parameters: +** s -- string to add +** cmd -- it's a command: prepend CMDDIR/ +** len -- length of string to add +** +** Side Effects: +** changes newcmdbuf or exits with a failure. +** +*/ + +static void +addcmd(s, cmd, len) + char *s; + bool cmd; + size_t len; +{ + if (s == NULL || *s == '\0') + return; + + /* enough space for s (len) and CMDDIR + "/" and '\0'? */ + if (sizeof newcmdbuf - strlen(newcmdbuf) <= + len + 1 + (cmd ? (strlen(CMDDIR) + 1) : 0)) + { + (void)sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: command too long: %s\n", prg, par); +#ifndef DEBUG + syslog(LOG_WARNING, "command too long: %.40s", par); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + if (cmd) + (void) sm_strlcat2(newcmdbuf, CMDDIR, "/", sizeof newcmdbuf); + (void) strncat(newcmdbuf, s, len); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + register char *p; + register char *q; + register char *r; + register char *cmd; + int isexec; + int save_errno; + char *newenv[2]; + char pathbuf[1000]; + char specialbuf[32]; + struct stat st; + +#ifndef DEBUG +# ifndef LOG_MAIL + openlog("smrsh", 0); +# else /* ! LOG_MAIL */ + openlog("smrsh", LOG_ODELAY|LOG_CONS, LOG_MAIL); +# endif /* ! LOG_MAIL */ +#endif /* ! DEBUG */ + + (void) sm_strlcpyn(pathbuf, sizeof pathbuf, 2, "PATH=", PATH); + newenv[0] = pathbuf; + newenv[1] = NULL; + + /* + ** Do basic argv usage checking + */ + + prg = argv[0]; + + if (argc != 3 || strcmp(argv[1], "-c") != 0) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Usage: %s -c command\n", prg); +#ifndef DEBUG + syslog(LOG_ERR, "usage"); +#endif /* ! DEBUG */ + exit(EX_USAGE); + } + + par = argv[2]; + + /* + ** Disallow special shell syntax. This is overly restrictive, + ** but it should shut down all attacks. + ** Be sure to include 8-bit versions, since many shells strip + ** the address to 7 bits before checking. + */ + + if (strlen(SPECIALS) * 2 >= sizeof specialbuf) + { +#ifndef DEBUG + syslog(LOG_ERR, "too many specials: %.40s", SPECIALS); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + (void) sm_strlcpy(specialbuf, SPECIALS, sizeof specialbuf); + for (p = specialbuf; *p != '\0'; p++) + *p |= '\200'; + (void) sm_strlcat(specialbuf, SPECIALS, sizeof specialbuf); + + /* + ** Do a quick sanity check on command line length. + */ + + if (strlen(par) > (sizeof newcmdbuf - sizeof CMDDIR - 2)) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: command too long: %s\n", prg, par); +#ifndef DEBUG + syslog(LOG_WARNING, "command too long: %.40s", par); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + + q = par; + newcmdbuf[0] = '\0'; + isexec = false; + + while (*q != '\0') + { + /* + ** Strip off a leading pathname on the command name. For + ** example, change /usr/ucb/vacation to vacation. + */ + + /* strip leading spaces */ + while (*q != '\0' && isascii(*q) && isspace(*q)) + q++; + if (*q == '\0') + { + if (isexec) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: missing command to exec\n", + prg); +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: missing command to exec", (int) getuid()); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + break; + } + + /* find the end of the command name */ + p = strpbrk(q, " \t"); + if (p == NULL) + cmd = &q[strlen(q)]; + else + { + *p = '\0'; + cmd = p; + } + /* search backwards for last / (allow for 0200 bit) */ + while (cmd > q) + { + if ((*--cmd & 0177) == '/') + { + cmd++; + break; + } + } + /* cmd now points at final component of path name */ + + /* allow a few shell builtins */ + if (strcmp(q, "exec") == 0 && p != NULL) + { + addcmd("exec ", false, strlen("exec ")); + + /* test _next_ arg */ + q = ++p; + isexec = true; + continue; + } + else if (strcmp(q, "exit") == 0 || strcmp(q, "echo") == 0) + { + addcmd(cmd, false, strlen(cmd)); + + /* test following chars */ + } + else + { + char cmdbuf[MAXPATHLEN]; + + /* + ** Check to see if the command name is legal. + */ + + if (sm_strlcpyn(cmdbuf, sizeof cmdbuf, 3, CMDDIR, + "/", cmd) >= sizeof cmdbuf) + { + /* too long */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: \"%s\" not available for sendmail programs (filename too long)\n", + prg, cmd); + if (p != NULL) + *p = ' '; +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: attempt to use \"%s\" (filename too long)", + (int) getuid(), cmd); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + +#ifdef DEBUG + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, + "Trying %s\n", cmdbuf); +#endif /* DEBUG */ + if (stat(cmdbuf, &st) < 0) + { + /* can't stat it */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: \"%s\" not available for sendmail programs (stat failed)\n", + prg, cmd); + if (p != NULL) + *p = ' '; +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: attempt to use \"%s\" (stat failed)", + (int) getuid(), cmd); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + if (!S_ISREG(st.st_mode) +#ifdef S_ISLNK + && !S_ISLNK(st.st_mode) +#endif /* S_ISLNK */ + ) + { + /* can't stat it */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: \"%s\" not available for sendmail programs (not a file)\n", + prg, cmd); + if (p != NULL) + *p = ' '; +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: attempt to use \"%s\" (not a file)", + (int) getuid(), cmd); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + if (access(cmdbuf, X_OK) < 0) + { + /* oops.... crack attack possiblity */ + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: \"%s\" not available for sendmail programs\n", + prg, cmd); + if (p != NULL) + *p = ' '; +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: attempt to use \"%s\"", + (int) getuid(), cmd); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + + /* + ** Create the actual shell input. + */ + + addcmd(cmd, true, strlen(cmd)); + } + isexec = false; + + if (p != NULL) + *p = ' '; + else + break; + + r = strpbrk(p, specialbuf); + if (r == NULL) + { + addcmd(p, false, strlen(p)); + break; + } +#if ALLOWSEMI + if (*r == ';') + { + addcmd(p, false, r - p + 1); + q = r + 1; + continue; + } +#endif /* ALLOWSEMI */ + if ((*r == '&' && *(r + 1) == '&') || + (*r == '|' && *(r + 1) == '|')) + { + addcmd(p, false, r - p + 2); + q = r + 2; + continue; + } + + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: cannot use %c in command\n", prg, *r); +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: attempt to use %c in command: %s", + (int) getuid(), *r, par); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + if (isexec) + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "%s: missing command to exec\n", prg); +#ifndef DEBUG + syslog(LOG_CRIT, "uid %d: missing command to exec", + (int) getuid()); +#endif /* ! DEBUG */ + exit(EX_UNAVAILABLE); + } + /* make sure we created something */ + if (newcmdbuf[0] == '\0') + { + (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "Usage: %s -c command\n", prg); +#ifndef DEBUG + syslog(LOG_ERR, "usage"); +#endif /* ! DEBUG */ + exit(EX_USAGE); + } + + /* + ** Now invoke the shell + */ + +#ifdef DEBUG + (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%s\n", newcmdbuf); +#endif /* DEBUG */ + (void) execle("/bin/sh", "/bin/sh", "-c", newcmdbuf, + (char *)NULL, newenv); + save_errno = errno; +#ifndef DEBUG + syslog(LOG_CRIT, "Cannot exec /bin/sh: %s", sm_errstring(errno)); +#endif /* ! DEBUG */ + errno = save_errno; + sm_perror("/bin/sh"); + exit(EX_OSFILE); + /* NOTREACHED */ + return EX_OSFILE; +} diff --git a/contrib/sendmail-8.13.4/test/Makefile b/contrib/sendmail-8.13.4/test/Makefile new file mode 100644 index 0000000000..7ca1b40855 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 1.1 2001/09/23 22:39:24 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/test/Makefile.m4 b/contrib/sendmail-8.13.4/test/Makefile.m4 new file mode 100644 index 0000000000..1d38d6252c --- /dev/null +++ b/contrib/sendmail-8.13.4/test/Makefile.m4 @@ -0,0 +1,19 @@ +dnl $Id: Makefile.m4,v 1.4 2002/06/21 22:01:54 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +bldPRODUCT_START(`executable', `test') +define(`bldSOURCES', `t_dropgid.c ') +bldPRODUCT_END + +include(confBUILDTOOLSDIR`/M4/'bldM4_TYPE_DIR`/sm-test.m4') +dnl smtest(`getipnode') +smtest(`t_dropgid') +smtest(`t_exclopen') +smtest(`t_pathconf') +smtest(`t_seteuid') +smtest(`t_setgid') +smtest(`t_setreuid') +smtest(`t_setuid') +dnl smtest(`t_snprintf') + +bldFINISH diff --git a/contrib/sendmail-8.13.4/test/README b/contrib/sendmail-8.13.4/test/README new file mode 100644 index 0000000000..d715bbb1e1 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/README @@ -0,0 +1,27 @@ +# Copyright (c) 2001 Sendmail, Inc. and its suppliers. +# All rights reserved. +# +# By using this file, you agree to the terms and conditions set +# forth in the LICENSE file which can be found at the top level of +# the sendmail distribution. +# +# $Id: README,v 1.2 2001/09/28 16:36:28 ca Exp $ +# + +This directory contains several programs to test various OS calls. +If your OS is not listed in the Results file, you should run those +test programs. Most of them have instructions at the begin of source +code, at least those which are important. + +Notice: most of these programs require set-user-ID or set-group-ID +installation. Hence they are not tested automatically. + +t_dropgid.c test how to drop saved-gid for a set-group-ID program +t_exclopen.c test for security-defeating semantics that an open with + O_CREAT|O_EXCL set will successfully open a file named + by a symbolic link that to a non-existent file +t_seteuid.c test whether seteuid works +t_setgid.c test whether setgid works +t_setreuid.c test whether setreuid works +t_setuid.c test whether setuid works + diff --git a/contrib/sendmail-8.13.4/test/Results b/contrib/sendmail-8.13.4/test/Results new file mode 100644 index 0000000000..934f9a1075 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/Results @@ -0,0 +1,198 @@ ++------------+ +| t_setreuid | ++------------+ + +The following are results of running t_setreuid on various architectures. + +OPSYS VERSION STATUS DATE TESTER/NOTES +===== ======= ====== ==== ============ + +SunOS 4.1 OK 93.07.19 eric +SunOS 4.1.2 OK 93.07.19 eric +SunOS 4.1.3 OK 93.09.25 Robert Elz + +BSD 4.4 OK 93.07.19 eric (wierd results, but functional) +BSD 4.3Utah OK 93.07.19 eric + +FreeBSD 2.1-sta OK 96.04.14 Jaye Mathisen + +Ultrix 4.2A OK 93.07.19 eric +Ultrix 4.3A OK 93.07.19 Allan Johannesen +Ultrix 4.5 OK 96.09.18 Gregory Neil Shapiro + +HP-UX 8.07 OK 93.07.19 eric (on 7xx series) +HP-UX 8.02 OK 93.07.19 Michael Corrigan (on 8xx series) +HP-UX 8.00 OK 93.07.21 Michael Corrigan (on 3xx/4xx series) +HP-UX 9.01 OK 93.11.19 Cassidy (on 7xx series) + +Solaris 2.1 +Solaris 2.2 FAIL 93.07.19 Bill Wisner +Solaris 2.3 FAIL 95.11.22 Scott J. Kramer +Solaris 2.5 OK 96.02.29 Carson Gaspar +Solaris 2.5.1 OK 96.11.29 Gregory Neil Shapiro + +OSF/1 T1.3-4 OK 93.07.19 eric (on DEC Alpha) +OSF/1 1.3 OK 94.12.10 Jeff A. Earickson (on Intel Paragon) +OSF/1 3.2D OK 96.09.18 Gregory Neil Shapiro +OSF/1 4.0 OK 96.09.18 Gregory Neil Shapiro + +CxOS 11.5 OK 96.07.08 Eric Schnoebelen +CxOS 11.0 OK 93.01.21 Eric Schnoebelen (CxOS 11.0 beta 1) +CxOS 10.x OK 93.01.21 Eric Schnoebelen + +AIX 3.1.5 FAIL 93.08.07 David J. N. Begley +AIX 3.2.3e FAIL 93.07.26 Steve Bauer +AIX 3.2.4 FAIL 93.10.07 David J. N. Begley +AIX 3.2.5 FAIL 94.05.17 Steve Bauer +AIX 4.1 FAIL 96.10.21 Hakan Lindholm +AIX 4.2 OK 96.10.16 Steve Bauer + +IRIX 4.0.4 OK 93.09.25 Robert Elz +IRIX 5.2 OK 94.12.06 Mark Andrews +IRIX 5.3 OK 94.12.06 Mark Andrews +IRIX 6.2 OK 96.09.16 Kari E. Hurtta +IRIX 6.3 OK 97.02.10 Mark Andrews + +SCO 3.2v4.0 OK 93.10.02 Peter Wemm (with -lsocket from 3.2v4 devsys) + +NeXT 2.1 OK 93.07.28 eric +NeXT 3.0 OK 34.05.05 Kevin John Wang + +Linux 0.99p10 OK 93.08.08 Karl London +Linux 0.99p13 OK 93.09.27 Christian Kuhtz +Linux 0.99p14 OK 93.11.30 Christian Kuhtz +Linux 1.0 OK 94.03.19 Shayne Smith +Linux 1.2.13 OK 95.11.02 Sven Neuhaus +Linux 2.0.17 OK 96.09.03 Horst von Brand +Linux 2.1.109 OK 98.07.21 John Kennedy + +BSD/386 1.0 OK 93.11.13 Tony Sanders + +DELL 2.2 OK 93.11.15 Peter Wemm (using -DSETEUID) + +Pyramid 5.0d OK 95.01.14 David Miller + + ++-----------+ +| t_seteuid | ++-----------+ + +The following are results of running t_seteuid on various architectures. + +OPSYS VERSION STATUS DATE TESTER/NOTES +===== ======= ====== ==== ============ + +Solaris 2.3 OK 95.11.22 Scott J. Kramer +Solaris 2.4 OK 95.09.22 Thomas 'Mike' Michlmayr +Solaris 2.5 OK 96.02.29 Carson Gaspar +Solaris 2.5.1 OK 96.11.29 Gregory Neil Shapiro + +Linux 1.2.13 FAIL 95.11.02 Sven Neuhaus +Linux 2.0.17 FAIL 96.09.03 Horst von Brand +Linux 2.1.109 FAIL 98.07.21 John Kennedy + +AIX 4.1 OK 96.10.21 Hakan Lindholm + +IRIX 5.2 OK 95.12.01 Mark Andrews +IRIX 5.3 OK 95.12.01 Mark Andrews +IRIX 6.2 OK 96.09.16 Kari E. Hurtta +IRIX 6.3 OK 97.02.10 Mark Andrews + +FreeBSD 2.1-sta OK 96.04.14 Jaye Mathisen + +Ultrix 4.5 FAIL 96.09.18 Gregory Neil Shapiro + +OSF/1 3.2D OK 96.09.18 Gregory Neil Shapiro +OSF/1 4.0 OK 96.09.18 Gregory Neil Shapiro + +CxOS 11.5 FAIL 96.07.08 Eric Schnoebelen + + ++------------+ +| t_pathconf | ++------------+ + +The following are the results of running t_pathconf.c. Safe means that +the underlying filesystem (in NFS, the filesystem on the server) does not +permit regular (non-root) users to chown their files to another user. +Unsafe means that they can. Typically, BSD-based systems do not permit +giveaway and System V-based systems do. However, some systems (e.g., +Solaris) can set this on a per-system or per-filesystem basis. Entries +are the return value of pathconf, the errno value, and a * if chown +disagreed with the result of the pathconf call, and a ? if the test has +not been run. A mark of [R] means that the local filesystem has +chown set to be restricted, [U] means that it is set to be unrestricted. + + Safe Filesystem Unsafe Filesystem +SYSTEM LOCAL NFS-V2 NFS-V3 NFS-V2 NFS-V3 + +SunOS 4.1.3_U1 1/0 -1/EINVAL* n/a -1/EINVAL? n/a +SunOS 4.1.4 1/0 -1/EINVAL* n/a -1/EINVAL n/a + +AIX 3.2 0/0 0/0 + +Solaris 2.4 1/0 -1/EINVAL* +Solaris 2.5 1/0 -1/EINVAL* 1/0 0/0? +Solaris 2.5.1 1/0 -1/EINVAL* 0/0 + +DEC OSF1 3.0 0/0 0/0 +DEC OSF1 3.2D-2 0/0 0/0 0/0 +DEC OSF1 4.0A 0/0 0/0 0/0 +DEC OSF 4.0B 0/0 0/0 0/0 + +Ultrix 4.3 0/0 0/0 n/a n/a +Ultrix 4.5 1/0 1/0 + +HP-UX 9.05 -1/0 -1/EOPNOTSUPP* -1/EOPNOTSUPP +HP-UX 9.05[R] 1/0 -1/EOPNOTSUPP* -1/EOPNOTSUPP* +HP-UX 10.10 -1/0 -1/EOPNOTSUPP* -1/EOPNOTSUPP +HP-UX 10.20 -1/EOPNOTSUPP? -1/EOPNOTSUPP? +HP-UX 10.30 -1/0 -1/EOPNOTSUPP -1/EOPNOTSUPP + +BSD/OS 2.1 1/0 + +FreeBSD 2.1.7 1/0 -1/EINVAL* -1/EINVAL + +Irix 5.3 -1/0* -1/0 +Irix 6.2 1/0 -1/0 0/0* +Irix 6.2 -1/0 -1/0 +Irix 6.3 R10000 -1/0 -1/0 0/0* + +A/UX 3.1.1 1/0 + +DomainOS [R] -1/0* +DomainOS [U] -1/0 + +NCR MP-RAS 2 -1/0 +NCR MP-RAS 3 -1/0 + +Linux 2.0.27 1/0 1/0 + + ++-----------+ +| t_dropgid | ++-----------+ + +The following are results of running t_dropgid on various architectures. + +OPSYS VERSION STATUS DATE TESTER/NOTES +===== ======= ====== ==== ============ +AIX 4.3.3 FAILS 2001-09-22 Valdis Kletnieks +BSD/OS 4.2 OK 2001-09-22 Vernon Schryver +FreeBSD 3.2 OK 2001-09-22 ca +FreeBSD 4.4 OK 2001-09-29 ca +HP-UX 11.00 HASSETRESGID 2001-09-22 ca +IRIX 6.5 FAILS 2001-09-22 Mark D. Roth +Linux 2.0.35 HASSETREGID 2001-09-22 Neil W Rickert +Linux 2.2.12 HASSETREGID 2001-09-22 ca +Linux 2.2.16 HASSETREGID 2001-09-22 Neil W Rickert +Linux 2.4.9 HASSETREGID 2001-09-22 Derek Balling +NetBSD 1.5 OK 2001-09-22 Kimmo Suominen +OpenBSD 2.8 HASSETEGID 2001-09-22 ca +SCO 5.0.5 FAILS 2001-09-22 Phillip Porch +SunOS 5.7 HASSETREGID 2001-09-22 Neil W Rickert +SunOS 5.8 HASSETREGID 2001-09-22 ca +SunOS 5.9 HASSETREGID 2001-09-22 Neil W Rickert + + +$Revision: 8.3 $, Last updated $Date: 2001/09/30 01:32:33 $ diff --git a/contrib/sendmail-8.13.4/test/t_dropgid.c b/contrib/sendmail-8.13.4/test/t_dropgid.c new file mode 100644 index 0000000000..cb166d0ad6 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_dropgid.c @@ -0,0 +1,154 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** This program checks to see if your version of setgid works. +** Compile it, make it set-group-ID guest, and run it as yourself (NOT as +** root and not as member of the group guest). +** +** Compilation is trivial -- just "cc t_dropgid.c". Make it set-group-ID +** guest and then execute it as a non-root user. +*/ + +#include +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_dropgid.c,v 1.6 2001/09/28 16:36:28 ca Exp $"; +#endif /* ! lint */ + +static void +printgids(str, r, e) + char *str; + gid_t r, e; +{ + printf("%s (should be %d/%d): r/egid=%d/%d\n", str, (int) r, (int) e, + (int) getgid(), (int) getegid()); +} + +/* define only one of these */ +#if HASSETEGID +# define SETGIDCALL "setegid" +#endif /* HASSETEGID */ +#if HASSETREGID +# define SETGIDCALL "setregid" +#endif /* HASSETREGID */ +#if HASSETRESGID +# define SETGIDCALL "setresgid" +#endif /* HASSETRESGID */ + +#ifndef SETGIDCALL +# define SETGIDCALL "setgid" +#endif /* ! SETGIDCALL */ + +int +main(argc, argv) + int argc; + char **argv; +{ + int fail = 0; + int res; + gid_t realgid = getgid(); + gid_t effgid = getegid(); + char *prg = argv[0]; + + printgids("initial gids", realgid, effgid); + + if (effgid == realgid) + { + printf("SETUP ERROR: re-run set-group-ID guest\n"); + printf("Use chgrp(1) and chmod(1)\n"); + printf("For example, do this as root "); + printf("(nobody is the name of a group in this example):\n"); + printf("# chgrp nobody %s\n", prg); + printf("# chmod g+s nobody %s\n", prg); + exit(1); + } + +#if HASSETREGID + res = setregid(realgid, realgid); + printf("setregid(%d)=%d %s\n", (int) realgid, res, + res < 0 ? "failure" : "ok"); + printgids("after setregid()", realgid, realgid); +#endif /* HASSETREGID */ +#if HASSETRESGID + res = setresgid(realgid, realgid, realgid); + printf("setresgid(%d)=%d %s\n", (int) realgid, res, + res < 0 ? "failure" : "ok"); + printgids("after setresgid()", realgid, realgid); +#endif /* HASSETRESGID */ +#if HASSETEGID + res = setegid(realgid); + printf("setegid(%d)=%d %s\n", (int) realgid, res, + res < 0 ? "failure" : "ok"); + printgids("after setegid()", realgid, realgid); +#endif /* HASSETEGID */ + res = setgid(realgid); + printf("setgid(%d)=%d %s\n", (int) realgid, res, + res < 0 ? "failure" : "ok"); + printgids("after setgid()", realgid, realgid); + + if (getegid() != realgid) + { + fail++; + printf("MAYDAY! Wrong effective gid\n"); + } + + if (getgid() != realgid) + { + fail++; + printf("MAYDAY! Wrong real gid\n"); + } + + /* do activity here */ + if (setgid(effgid) == 0) + { + fail++; + printf("MAYDAY! setgid(%d) succeeded (should have failed)\n", + effgid); + } + else + { + printf("setgid(%d) failed (this is correct)\n", effgid); + } + printgids("after setgid() to egid", realgid, realgid); + + if (getegid() != realgid) + { + fail++; + printf("MAYDAY! Wrong effective gid\n"); + } + if (getgid() != realgid) + { + fail++; + printf("MAYDAY! Wrong real gid\n"); + } + printf("\n"); + + if (fail > 0) + { + printf("\nThis system cannot use %s to give up set-group-ID rights\n", + SETGIDCALL); +#if !HASSETEGID + printf("Maybe compile with -DHASSETEGID and try again\n"); +#endif /* !HASSETEGID */ +#if !HASSETREGID + printf("Maybe compile with -DHASSETREGID and try again\n"); +#endif /* !HASSETREGID */ +#if !HASSETRESGID + printf("Maybe compile with -DHASSETRESGID and try again\n"); +#endif /* !HASSETRESGID */ + exit(1); + } + + printf("\nIt is possible to use %s on this system\n", SETGIDCALL); + exit(0); +} diff --git a/contrib/sendmail-8.13.4/test/t_exclopen.c b/contrib/sendmail-8.13.4/test/t_exclopen.c new file mode 100644 index 0000000000..f1bde72208 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_exclopen.c @@ -0,0 +1,113 @@ +/* + * Copyright (c) 1999 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** This program tests your system to see if you have the lovely +** security-defeating semantics that an open with O_CREAT|O_EXCL +** set will successfully open a file named by a symbolic link that +** points to a non-existent file. Sadly, Posix is mute on what +** should happen in this situation. +** +** Results to date: +** AIX 3.2 OK +** BSD family OK +** BSD/OS 2.1 OK +** FreeBSD 2.1 OK +** DEC OSF/1 3.0 OK +** HP-UX 9.04 FAIL +** HP-UX 9.05 FAIL +** HP-UX 9.07 OK +** HP-UX 10.01 OK +** HP-UX 10.10 OK +** HP-UX 10.20 OK +** Irix 5.3 OK +** Irix 6.2 OK +** Irix 6.3 OK +** Irix 6.4 OK +** Linux OK +** NeXT 2.1 OK +** Solaris 2.x OK +** SunOS 4.x OK +** Ultrix 4.3 OK +*/ + +#include +#include +#include +#include +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_exclopen.c,v 8.6 2001/09/23 03:35:41 ca Exp $"; +#endif /* ! lint */ + +static char Attacker[128]; +static char Attackee[128]; + +static void +bail(status) + int status; +{ + (void) unlink(Attacker); + (void) unlink(Attackee); + exit(status); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + struct stat st; + + sprintf(Attacker, "/tmp/attacker.%d.%ld", getpid(), time(NULL)); + sprintf(Attackee, "/tmp/attackee.%d.%ld", getpid(), time(NULL)); + + if (symlink(Attackee, Attacker) < 0) + { + printf("Could not create %s->%s symlink: %d\n", + Attacker, Attackee, errno); + bail(1); + } + (void) unlink(Attackee); + if (stat(Attackee, &st) >= 0) + { + printf("%s already exists -- remove and try again.\n", + Attackee); + bail(1); + } + if (open(Attacker, O_WRONLY|O_CREAT|O_EXCL, 0644) < 0) + { + int save_errno = errno; + + if (stat(Attackee, &st) >= 0) + { + printf("Weird. Open failed but %s was created anyhow (errno = %d)\n", + Attackee, save_errno); + bail(1); + } + printf("Good show! Exclusive open works properly with symbolic links (errno = %d).\n", + save_errno); + bail(0); + } + if (stat(Attackee, &st) < 0) + { + printf("Weird. Open succeeded but %s was not created\n", + Attackee); + bail(2); + } + printf("Bad news: you can do an exclusive open through a symbolic link\n"); + printf("\tBe sure you #define BOGUS_O_EXCL in conf.h\n"); + bail(1); + + /* NOTREACHED */ + exit(0); +} diff --git a/contrib/sendmail-8.13.4/test/t_pathconf.c b/contrib/sendmail-8.13.4/test/t_pathconf.c new file mode 100644 index 0000000000..2baaaa61d9 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_pathconf.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 1999 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** The following test program tries the pathconf(2) routine. It should +** be run in a non-NFS-mounted directory (e.g., /tmp) and on remote (NFS) +** mounted directories running both NFS-v2 and NFS-v3 from systems that +** both do and do not permit file giveaway. +*/ + +#include +#include +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_pathconf.c,v 8.6 2001/09/23 03:35:41 ca Exp $"; +#endif /* ! lint */ + +int +main(argc, argv) + int argc; + char **argv; +{ + int fd; + int i; + char tbuf[100]; + extern int errno; + + if (geteuid() == 0) + { + printf("*** Run me as a non-root user! ***\n"); + exit(EX_USAGE); + } + + strcpy(tbuf, "TXXXXXX"); + fd = mkstemp(tbuf); + if (fd < 0) + { + printf("*** Could not create test file %s\n", tbuf); + exit(EX_CANTCREAT); + } + errno = 0; + i = pathconf(".", _PC_CHOWN_RESTRICTED); + printf("pathconf(.) returns %2d, errno = %d\n", i, errno); + errno = 0; + i = pathconf(tbuf, _PC_CHOWN_RESTRICTED); + printf("pathconf(%s) returns %2d, errno = %d\n", tbuf, i, errno); + errno = 0; + i = fpathconf(fd, _PC_CHOWN_RESTRICTED); + printf("fpathconf(%s) returns %2d, errno = %d\n", tbuf, i, errno); + if (errno == 0 && i >= 0) + { + /* so it claims that it doesn't work -- try anyhow */ + printf(" fpathconf claims that chown is safe "); + if (fchown(fd, 1, 1) >= 0) + printf("*** but fchown works anyhow! ***\n"); + else + printf("and fchown agrees\n"); + } + else + { + /* well, let's see what really happens */ + printf(" fpathconf claims that chown is not safe "); + if (fchown(fd, 1, 1) >= 0) + printf("as indeed it is not\n"); + else + printf("*** but in fact it is safe ***\n"); + } + (void) unlink(tbuf); + exit(EX_OK); +} diff --git a/contrib/sendmail-8.13.4/test/t_seteuid.c b/contrib/sendmail-8.13.4/test/t_seteuid.c new file mode 100644 index 0000000000..9fab8981c0 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_seteuid.c @@ -0,0 +1,139 @@ +/* + * Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** This program checks to see if your version of seteuid works. +** Compile it, make it set-user-ID root, and run it as yourself (NOT as +** root). If it won't compile or outputs any MAYDAY messages, don't +** define USESETEUID in conf.h. +** +** NOTE: It is not sufficient to have seteuid in your library. +** You must also have saved uids that function properly. +** +** Compilation is trivial -- just "cc t_seteuid.c". Make it set-user-ID +** root and then execute it as a non-root user. +*/ + +#include +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_seteuid.c,v 8.8 2001/09/23 03:35:41 ca Exp $"; +#endif /* ! lint */ + +#ifdef __hpux +# define seteuid(e) setresuid(-1, e, -1) +#endif /* __hpux */ + +static void +printuids(str, r, e) + char *str; + uid_t r, e; +{ + printf("%s (should be %d/%d): r/euid=%d/%d\n", str, (int) r, (int) e, + (int) getuid(), (int) geteuid()); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + int fail = 0; + uid_t realuid = getuid(); + + printuids("initial uids", realuid, 0); + + if (geteuid() != 0) + { + printf("SETUP ERROR: re-run set-user-ID root\n"); + exit(1); + } + + if (getuid() == 0) + { + printf("SETUP ERROR: must be run by a non-root user\n"); + exit(1); + } + + if (seteuid(1) < 0) + printf("seteuid(1) failure\n"); + printuids("after seteuid(1)", realuid, 1); + + if (geteuid() != 1) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + + /* do activity here */ + + if (seteuid(0) < 0) + { + fail++; + printf("seteuid(0) failure\n"); + } + printuids("after seteuid(0)", realuid, 0); + + if (geteuid() != 0) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + if (getuid() != realuid) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + printf("\n"); + + if (seteuid(2) < 0) + { + fail++; + printf("seteuid(2) failure\n"); + } + printuids("after seteuid(2)", realuid, 2); + + if (geteuid() != 2) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + + /* do activity here */ + + if (seteuid(0) < 0) + { + fail++; + printf("seteuid(0) failure\n"); + } + printuids("after seteuid(0)", realuid, 0); + + if (geteuid() != 0) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + if (getuid() != realuid) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + + if (fail) + { + printf("\nThis system cannot use seteuid\n"); + exit(1); + } + + printf("\nIt is safe to define USESETEUID on this system\n"); + exit(0); +} diff --git a/contrib/sendmail-8.13.4/test/t_setgid.c b/contrib/sendmail-8.13.4/test/t_setgid.c new file mode 100644 index 0000000000..dfe180587a --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_setgid.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** This program checks to see if your version of setgid works. +** Compile it, make it set-group-ID guest, and run it as yourself (NOT as +** root and not as member of the group guest). +** +** Compilation is trivial -- just "cc t_setgid.c". Make it set-group-ID, +** guest and then execute it as a non-root user. +*/ + +#include +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_setgid.c,v 1.6 2001/09/23 03:35:41 ca Exp $"; +#endif /* ! lint */ + +static void +printgids(str, r, e) + char *str; + gid_t r, e; +{ + printf("%s (should be %d/%d): r/egid=%d/%d\n", str, (int) r, (int) e, + (int) getgid(), (int) getegid()); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + int fail = 0; + int res; + gid_t realgid = getgid(); + gid_t effgid = getegid(); + + printgids("initial gids", realgid, effgid); + + if (effgid == realgid) + { + printf("SETUP ERROR: re-run set-group-ID guest\n"); + exit(1); + } + +#if SM_CONF_SETREGID + res = setregid(effgid, effgid); +#else /* SM_CONF_SETREGID */ + res = setgid(effgid); +#endif /* SM_CONF_SETREGID */ + + printf("setgid(%d)=%d %s\n", (int) effgid, res, + res < 0 ? "failure" : "ok"); +#if SM_CONF_SETREGID + printgids("after setregid()", effgid, effgid); +#else /* SM_CONF_SETREGID */ + printgids("after setgid()", effgid, effgid); +#endif /* SM_CONF_SETREGID */ + + if (getegid() != effgid) + { + fail++; + printf("MAYDAY! Wrong effective gid\n"); + } + + if (getgid() != effgid) + { + fail++; + printf("MAYDAY! Wrong real gid\n"); + } + + /* do activity here */ + if (setgid(0) == 0) + { + fail++; + printf("MAYDAY! setgid(0) succeeded (should have failed)\n"); + } + else + { + printf("setgid(0) failed (this is correct)\n"); + } + printgids("after setgid(0)", effgid, effgid); + + if (getegid() != effgid) + { + fail++; + printf("MAYDAY! Wrong effective gid\n"); + } + if (getgid() != effgid) + { + fail++; + printf("MAYDAY! Wrong real gid\n"); + } + printf("\n"); + + if (fail > 0) + { + printf("\nThis system cannot use %s to set the real gid to the effective gid\nand clear the saved gid.\n", +#if SM_CONF_SETREGID + "setregid" +#else /* SM_CONF_SETREGID */ + "setgid" +#endif /* SM_CONF_SETREGID */ + ); + exit(1); + } + + printf("\nIt is possible to use setgid on this system\n"); + exit(0); +} diff --git a/contrib/sendmail-8.13.4/test/t_setreuid.c b/contrib/sendmail-8.13.4/test/t_setreuid.c new file mode 100644 index 0000000000..b307b08039 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_setreuid.c @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** This program checks to see if your version of setreuid works. +** Compile it, make it set-user-ID root, and run it as yourself (NOT as +** root). If it won't compile or outputs any MAYDAY messages, don't +** define HASSETREUID in conf.h. +** +** Compilation is trivial -- just "cc t_setreuid.c". Make it set-user-ID, +** root and then execute it as a non-root user. +*/ + +#include +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_setreuid.c,v 8.9 2001/10/12 03:04:46 gshapiro Exp $"; +#endif /* ! lint */ + +#ifdef __hpux +# define setreuid(r, e) setresuid(r, e, -1) +#endif /* __hpux */ + +static void +printuids(str, r, e) + char *str; + uid_t r, e; +{ + printf("%s (should be %d/%d): r/euid=%d/%d\n", str, (int) r, (int) e, + (int) getuid(), (int) geteuid()); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + int fail = 0; + uid_t realuid = getuid(); + + printuids("initial uids", realuid, 0); + + if (geteuid() != 0) + { + printf("SETUP ERROR: re-run set-user-ID root\n"); + exit(1); + } + + if (getuid() == 0) + { + printf("SETUP ERROR: must be run by a non-root user\n"); + exit(1); + } + + if (setreuid(0, 1) < 0) + { + fail++; + printf("setreuid(0, 1) failure\n"); + } + printuids("after setreuid(0, 1)", 0, 1); + + if (getuid() != 0) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + + if (geteuid() != 1) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + + /* do activity here */ + + if (setreuid(-1, 0) < 0) + { + fail++; + printf("setreuid(-1, 0) failure\n"); + } + printuids("after setreuid(-1, 0)", 0, 0); + if (setreuid(realuid, 0) < 0) + { + fail++; + printf("setreuid(%d, 0) failure\n", (int) realuid); + } + printuids("after setreuid(realuid, 0)", realuid, 0); + + if (geteuid() != 0) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + if (getuid() != realuid) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + printf("\n"); + + if (setreuid(0, 2) < 0) + { + fail++; + printf("setreuid(0, 2) failure\n"); + } + printuids("after setreuid(0, 2)", 0, 2); + + if (geteuid() != 2) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + + if (getuid() != 0) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + + /* do activity here */ + + if (setreuid(-1, 0) < 0) + { + fail++; + printf("setreuid(-1, 0) failure\n"); + } + printuids("after setreuid(-1, 0)", 0, 0); + if (setreuid(realuid, 0) < 0) + { + fail++; + printf("setreuid(%d, 0) failure\n", (int) realuid); + } + printuids("after setreuid(realuid, 0)", realuid, 0); + + if (geteuid() != 0) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + if (getuid() != realuid) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + + if (fail) + { + printf("\nThis system cannot use setreuid\n"); + exit(1); + } + + printf("\nIt is safe to define HASSETREUID on this system\n"); + exit(0); +} diff --git a/contrib/sendmail-8.13.4/test/t_setuid.c b/contrib/sendmail-8.13.4/test/t_setuid.c new file mode 100644 index 0000000000..6533339298 --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_setuid.c @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +/* +** This program checks to see if your version of setuid works. +** Compile it, make it set-user-ID root, and run it as yourself (NOT as +** root). +** +** NOTE: This should work everywhere, but Linux has the ability +** to use the undocumented setcap() call to make this break. +** +** Compilation is trivial -- just "cc t_setuid.c". Make it set-user-ID, +** root and then execute it as a non-root user. +*/ + +#include +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_setuid.c,v 8.7 2001/09/23 03:35:41 ca Exp $"; +#endif /* ! lint */ + +static void +printuids(str, r, e) + char *str; + uid_t r, e; +{ + printf("%s (should be %d/%d): r/euid=%d/%d\n", str, (int) r, (int) e, + (int) getuid(), (int) geteuid()); +} + +int +main(argc, argv) + int argc; + char **argv; +{ + int fail = 0; + uid_t realuid = getuid(); + + printuids("initial uids", realuid, 0); + + if (geteuid() != 0) + { + printf("SETUP ERROR: re-run set-user-ID root\n"); + exit(1); + } + + if (getuid() == 0) + { + printf("SETUP ERROR: must be run by a non-root user\n"); + exit(1); + } + + if (setuid(1) < 0) + printf("setuid(1) failure\n"); + printuids("after setuid(1)", 1, 1); + + if (geteuid() != 1) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + + if (getuid() != 1) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + + + /* do activity here */ + if (setuid(0) == 0) + { + fail++; + printf("MAYDAY! setuid(0) succeeded (should have failed)\n"); + } + else + { + printf("setuid(0) failed (this is correct)\n"); + } + printuids("after setuid(0)", 1, 1); + + if (geteuid() != 1) + { + fail++; + printf("MAYDAY! Wrong effective uid\n"); + } + if (getuid() != 1) + { + fail++; + printf("MAYDAY! Wrong real uid\n"); + } + printf("\n"); + + if (fail) + { + printf("\nThis system cannot use setuid (maybe use setreuid)\n"); + exit(1); + } + + printf("\nIt is safe to use setuid on this system\n"); + exit(0); +} diff --git a/contrib/sendmail-8.13.4/test/t_snprintf.c b/contrib/sendmail-8.13.4/test/t_snprintf.c new file mode 100644 index 0000000000..8a0378fa2d --- /dev/null +++ b/contrib/sendmail-8.13.4/test/t_snprintf.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include +#include + +#ifndef lint +static char id[] = "@(#)$Id: t_snprintf.c,v 8.4 2001/09/23 03:35:41 ca Exp $"; +#endif /* ! lint */ + +#define TEST_STRING "1234567890" + +int +main(argc, argv) + int argc; + char **argv; +{ + int r; + char buf[5]; + + r = snprintf(buf, sizeof buf, "%s", TEST_STRING); + + if (buf[sizeof buf - 1] != '\0' || + r != strlen(TEST_STRING)) + { + fprintf(stderr, "Add the following to devtools/Site/site.config.m4:\n\n"); + fprintf(stderr, "APPENDDEF(`confENVDEF', `-DSNPRINTF_IS_BROKEN=1')\n\n"); + exit(EX_OSERR); + } + fprintf(stderr, "snprintf() appears to work properly\n"); + exit(EX_OK); +} diff --git a/contrib/sendmail-8.13.4/vacation/Makefile b/contrib/sendmail-8.13.4/vacation/Makefile new file mode 100644 index 0000000000..7cc577f4b6 --- /dev/null +++ b/contrib/sendmail-8.13.4/vacation/Makefile @@ -0,0 +1,17 @@ +# $Id: Makefile,v 8.5 1999/09/23 22:36:45 ca Exp $ + +SHELL= /bin/sh +BUILD= ./Build +OPTIONS= $(CONFIG) $(FLAGS) + +all: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +clean: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ +install: FRC + $(SHELL) $(BUILD) $(OPTIONS) $@ + +fresh: FRC + $(SHELL) $(BUILD) $(OPTIONS) -c + +FRC: diff --git a/contrib/sendmail-8.13.4/vacation/Makefile.m4 b/contrib/sendmail-8.13.4/vacation/Makefile.m4 new file mode 100644 index 0000000000..ed4967ee54 --- /dev/null +++ b/contrib/sendmail-8.13.4/vacation/Makefile.m4 @@ -0,0 +1,22 @@ +dnl $Id: Makefile.m4,v 8.25 2002/06/21 22:01:57 ca Exp $ +include(confBUILDTOOLSDIR`/M4/switch.m4') + +define(`confREQUIRE_LIBSM', `true') +# sendmail dir +SMSRCDIR= ifdef(`confSMSRCDIR', `confSMSRCDIR', `${SRCDIR}/sendmail') +PREPENDDEF(`confENVDEF', `confMAPDEF') +PREPENDDEF(`confINCDIRS', `-I${SMSRCDIR} ') + +bldPRODUCT_START(`executable', `vacation') +define(`bldSOURCES', `vacation.c ') +bldPUSH_SMLIB(`sm') +bldPUSH_SMLIB(`smutil') +bldPUSH_SMLIB(`smdb') +APPENDDEF(`confENVDEF', `-DNOT_SENDMAIL') +bldPRODUCT_END + +bldPRODUCT_START(`manpage', `vacation') +define(`bldSOURCES', `vacation.1') +bldPRODUCT_END + +bldFINISH diff --git a/contrib/sendmail-8.13.4/vacation/vacation.1 b/contrib/sendmail-8.13.4/vacation/vacation.1 new file mode 100644 index 0000000000..6c1418a0b2 --- /dev/null +++ b/contrib/sendmail-8.13.4/vacation/vacation.1 @@ -0,0 +1,285 @@ +.\" Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. +.\" All rights reserved. +.\" Copyright (c) 1985, 1987, 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" +.\" By using this file, you agree to the terms and conditions set +.\" forth in the LICENSE file which can be found at the top level of +.\" the sendmail distribution. +.\" +.\" +.\" $Id: vacation.1,v 8.34 2002/06/27 23:51:52 ca Exp $ +.\" +.TH VACATION 1 "$Date: 2002/06/27 23:51:52 $" +.SH NAME +vacation +\- E-mail auto-responder +.SH SYNOPSIS +.B vacation +.RB [ \-a +.IR alias ] +.RB [ \-C +.IR cffile ] +.RB [ \-d ] +.RB [ \-f +.IR database ] +.RB [ \-i ] +.RB [ \-I ] +.RB [ \-j ] +.RB [ \-l ] +.RB [ \-m +.IR message ] +.RB [ \-R +.IR returnaddr ] +.RB [ \-r +.IR interval ] +.RB [ \-s +.IR address ] +.RB [ \-t +.IR time ] +.RB [ \-U ] +.RB [ \-x ] +.RB [ \-z ] +.I login +.SH DESCRIPTION +.B Vacation +returns a message, +.IR ~/.vacation.msg +by default, to the sender informing them that you are currently not +reading your mail. +The message is only sent to each sender once per reply interval (see +.B \-r +below). +The intended use is in a +.I .forward +file. For example, your +.I .forward +file might have: +.IP +\eeric, "|/usr/bin/vacation -a allman eric" +.PP +which would send messages to you (assuming your login name was eric) and +reply to any messages for +``eric'' +or +``allman''. +.PP +Available options: +.TP +.BI \-a " alias" +Handle messages for +.I alias +in the same manner as those received for the user's +login name. +.TP +.BI \-C " cfpath" +Specify pathname of the sendmail configuration file. +This option is ignored if +.B \-U +is specified. +This option defaults to the standard sendmail configuration file, +located at /etc/mail/sendmail.cf on most systems. +.TP +.B \-d +Send error/debug messages to stderr instead of syslog. +Otherwise, fatal errors, such as calling +.B vacation +with incorrect arguments, or with non-existent +.IR login s, +are logged in the system log file, using +syslog(8). +This should only be used on the command line, not in your +.I .forward +file. +.TP +.BI \-f " filename" +Use +.I filename +as name of the database instead of +.IR ~/.vacation.db +or +.IR ~/.vacation.{dir,pag} . +Unless the +.I filename +starts with / it is relative to ~. +.TP +.B \-i +Initialize the vacation database files. It should be used +before you modify your +.I .forward +file. +This should only be used on the command line, not in your +.I .forward +file. +.TP +.B \-I +Same as +.B \-i +(for backwards compatibility). +This should only be used on the command line, not in your +.I .forward +file. +.TP +.B \-j +Respond to the message regardless of whether the login is listed as +a recipient for the message. +Do not use this flag unless you are sure of the consequences. +For example, this will cause +.i vacation +to reply to mailing list messages which may result in removing +you from the list. +.TP +.B \-l +List the content of the vacation database file including the address +and the associated time of the last auto-response to that address. +This should only be used on the command line, not in your +.I .forward +file. +.TP +.BI \-m " filename" +Use +.I filename +as name of the file containing the message to send instead of +.IR ~/.vacation.msg . +Unless the +.I filename +starts with / it is relative to ~. +.TP +.BI \-R " returnaddr" +Set the reply envelope sender address +.TP +.BI \-r " interval" +Set the reply interval to +.I interval +days. The default is one week. +An interval of ``0'' or +``infinite'' +(actually, any non-numeric character) will never send more than +one reply. +The +.B \-r +option should only be used when the vacation database is initialized +(see +.B \-i +above). +.TP +.BI \-s " address" +Use +.I address +instead of the incoming message sender address on the +.I From +line as the recipient for the vacation message. +.TP +.BI \-t " time" +Ignored, available only for compatibility with Sun's +vacation program. +.TP +.B \-U +Do not attempt to lookup +.I login +in the password file. +The -f and -m options must be used to specify the database and message file +since there is no home directory for the default settings for these options. +.TP +.B \-x +Reads an exclusion list from stdin (one address per line). +Mails coming from an address +in this exclusion list won't get a reply by +.BR vacation . +It is possible to exclude complete domains by specifying +``@domain'' +as element of the exclusion list. +This should only be used on the command line, not in your +.I .forward +file. +.TP +.B \-z +Set the sender of the vacation message to +``<>'' +instead of the user. +This probably violates the RFCs since vacation messages are +not required by a standards-track RFC to have a null reverse-path. +.PP +.B Vacation +reads the first line from the standard input for a +UNIX +``From'' +line to determine the sender. +Sendmail(8) +includes this +``From'' +line automatically. +.PP +No message will be sent unless +.I login +(or an +.I alias +supplied using the +.B \-a +option) is part of either the +``To:'' +or +``Cc:'' +headers of the mail. +No messages from +``???-REQUEST'', +``???-RELAY'', +``???-OWNER'', +``OWNER-???'', +``Postmaster'', +``UUCP'', +``MAILER'', +or +``MAILER-DAEMON'' +will be replied to (where these strings are +case insensitive) nor is a notification sent if a +``Precedence: bulk'' +or +``Precedence: junk'' +line is included in the mail headers. +The people who have sent you messages are maintained as a +db(3) +or +dbm(3) +database in the file +.I .vacation.db +or +.I .vacation.{dir,pag} +in your home directory. +.PP +.B Vacation +expects a file +.IR .vacation.msg , +in your home directory, containing a message to be sent back to each +sender. It should be an entire message (including headers). For +example, it might contain: +.IP +.nf +From: eric@CS.Berkeley.EDU (Eric Allman) +Subject: I am on vacation +Delivered-By-The-Graces-Of: The Vacation program +Precedence: bulk + +I am on vacation until July 22. If you have something urgent, +please contact Keith Bostic . +--eric +.fi +.SH FILES +.TP 1.8i +~/.vacation.db +default database file for db(3) +.TP 1.8i +~/.vacation.{dir,pag} +default database file for dbm(3) +.TP +~/.vacation.msg +default message to send +.SH SEE ALSO +sendmail(8), +syslog(8) +.SH HISTORY +The +.B vacation +command appeared in +4.3BSD. diff --git a/contrib/sendmail-8.13.4/vacation/vacation.c b/contrib/sendmail-8.13.4/vacation/vacation.c new file mode 100644 index 0000000000..afccbf7939 --- /dev/null +++ b/contrib/sendmail-8.13.4/vacation/vacation.c @@ -0,0 +1,1179 @@ +/* + * Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1987, 1993 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 1983 Eric P. Allman. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include + +SM_IDSTR(copyright, +"@(#) Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers.\n\ + All rights reserved.\n\ + Copyright (c) 1983, 1987, 1993\n\ + The Regents of the University of California. All rights reserved.\n\ + Copyright (c) 1983 Eric P. Allman. All rights reserved.\n") + +SM_IDSTR(id, "@(#)$Id: vacation.c,v 8.142 2004/11/02 18:25:33 ca Exp $") + + +#include +#include +#include +#include +#include +#ifdef EX_OK +# undef EX_OK /* unistd.h may have another use for this */ +#endif /* EX_OK */ +#include + +#include +#include +#include "sendmail/sendmail.h" +#include +#include "libsmdb/smdb.h" + +#define ONLY_ONCE ((time_t) 0) /* send at most one reply */ +#define INTERVAL_UNDEF ((time_t) (-1)) /* no value given */ + +uid_t RealUid; +gid_t RealGid; +char *RealUserName; +uid_t RunAsUid; +uid_t RunAsGid; +char *RunAsUserName; +int Verbose = 2; +bool DontInitGroups = false; +uid_t TrustedUid = 0; +BITMAP256 DontBlameSendmail; + +/* +** VACATION -- return a message to the sender when on vacation. +** +** This program is invoked as a message receiver. It returns a +** message specified by the user to whomever sent the mail, taking +** care not to return a message too often to prevent "I am on +** vacation" loops. +*/ + +#define VDB ".vacation" /* vacation database */ +#define VMSG ".vacation.msg" /* vacation message */ +#define SECSPERDAY (60 * 60 * 24) +#define DAYSPERWEEK 7 + +typedef struct alias +{ + char *name; + struct alias *next; +} ALIAS; + +ALIAS *Names = NULL; + +SMDB_DATABASE *Db; + +char From[MAXLINE]; +bool CloseMBDB = false; + +#if defined(__hpux) || defined(__osf__) +# ifndef SM_CONF_SYSLOG_INT +# define SM_CONF_SYSLOG_INT 1 +# endif /* SM_CONF_SYSLOG_INT */ +#endif /* defined(__hpux) || defined(__osf__) */ + +#if SM_CONF_SYSLOG_INT +# define SYSLOG_RET_T int +# define SYSLOG_RET return 0 +#else /* SM_CONF_SYSLOG_INT */ +# define SYSLOG_RET_T void +# define SYSLOG_RET +#endif /* SM_CONF_SYSLOG_INT */ + +typedef SYSLOG_RET_T SYSLOG_T __P((int, const char *, ...)); +SYSLOG_T *msglog = syslog; +static SYSLOG_RET_T debuglog __P((int, const char *, ...)); +static void eatmsg __P((void)); +static void listdb __P((void)); + +/* exit after reading input */ +#define EXITIT(excode) \ +{ \ + eatmsg(); \ + if (CloseMBDB) \ + { \ + sm_mbdb_terminate(); \ + CloseMBDB = false; \ + } \ + return excode; \ +} + +#define EXITM(excode) \ +{ \ + if (!initdb && !list) \ + eatmsg(); \ + if (CloseMBDB) \ + { \ + sm_mbdb_terminate(); \ + CloseMBDB = false; \ + } \ + exit(excode); \ +} + +int +main(argc, argv) + int argc; + char **argv; +{ + bool alwaysrespond = false; + bool initdb, exclude; + bool runasuser = false; + bool list = false; + int mfail = 0, ufail = 0; + int ch; + int result; + long sff; + time_t interval; + struct passwd *pw; + ALIAS *cur; + char *dbfilename = NULL; + char *msgfilename = NULL; + char *cfpath = NULL; + char *name; + char *returnaddr = NULL; + SMDB_USER_INFO user_info; + static char rnamebuf[MAXNAME]; + extern int optind, opterr; + extern char *optarg; + extern void usage __P((void)); + extern void setinterval __P((time_t)); + extern int readheaders __P((bool)); + extern bool recent __P((void)); + extern void setreply __P((char *, time_t)); + extern void sendmessage __P((char *, char *, char *)); + extern void xclude __P((SM_FILE_T *)); + + /* Vars needed to link with smutil */ + clrbitmap(DontBlameSendmail); + RunAsUid = RealUid = getuid(); + RunAsGid = RealGid = getgid(); + pw = getpwuid(RealUid); + if (pw != NULL) + { + if (strlen(pw->pw_name) > MAXNAME - 1) + pw->pw_name[MAXNAME] = '\0'; + sm_snprintf(rnamebuf, sizeof rnamebuf, "%s", pw->pw_name); + } + else + sm_snprintf(rnamebuf, sizeof rnamebuf, + "Unknown UID %d", (int) RealUid); + RunAsUserName = RealUserName = rnamebuf; + +# ifdef LOG_MAIL + openlog("vacation", LOG_PID, LOG_MAIL); +# else /* LOG_MAIL */ + openlog("vacation", LOG_PID); +# endif /* LOG_MAIL */ + + opterr = 0; + initdb = false; + exclude = false; + interval = INTERVAL_UNDEF; + *From = '\0'; + + +#define OPTIONS "a:C:df:Iijlm:R:r:s:t:Uxz" + + while (mfail == 0 && ufail == 0 && + (ch = getopt(argc, argv, OPTIONS)) != -1) + { + switch((char)ch) + { + case 'a': /* alias */ + cur = (ALIAS *) malloc((unsigned int) sizeof(ALIAS)); + if (cur == NULL) + { + mfail++; + break; + } + cur->name = optarg; + cur->next = Names; + Names = cur; + break; + + case 'C': + cfpath = optarg; + break; + + case 'd': /* debug mode */ + msglog = debuglog; + break; + + case 'f': /* alternate database */ + dbfilename = optarg; + break; + + case 'I': /* backward compatible */ + case 'i': /* init the database */ + initdb = true; + break; + + case 'j': + alwaysrespond = true; + break; + + case 'l': + list = true; /* list the database */ + break; + + case 'm': /* alternate message file */ + msgfilename = optarg; + break; + + case 'R': + returnaddr = optarg; + break; + + case 'r': + if (isascii(*optarg) && isdigit(*optarg)) + { + interval = atol(optarg) * SECSPERDAY; + if (interval < 0) + ufail++; + } + else + interval = ONLY_ONCE; + break; + + case 's': /* alternate sender name */ + (void) sm_strlcpy(From, optarg, sizeof From); + break; + + case 't': /* SunOS: -t1d (default expire) */ + break; + + case 'U': /* run as single user mode */ + runasuser = true; + break; + + case 'x': + exclude = true; + break; + + case 'z': + returnaddr = "<>"; + break; + + case '?': + default: + ufail++; + break; + } + } + argc -= optind; + argv += optind; + + if (mfail != 0) + { + msglog(LOG_NOTICE, + "vacation: can't allocate memory for alias.\n"); + EXITM(EX_TEMPFAIL); + } + if (ufail != 0) + usage(); + + if (argc != 1) + { + if (!initdb && !list && !exclude) + usage(); + if ((pw = getpwuid(getuid())) == NULL) + { + msglog(LOG_ERR, + "vacation: no such user uid %u.\n", getuid()); + EXITM(EX_NOUSER); + } + name = pw->pw_name; + user_info.smdbu_id = pw->pw_uid; + user_info.smdbu_group_id = pw->pw_gid; + (void) sm_strlcpy(user_info.smdbu_name, pw->pw_name, + SMDB_MAX_USER_NAME_LEN); + if (chdir(pw->pw_dir) != 0) + { + msglog(LOG_NOTICE, + "vacation: no such directory %s.\n", + pw->pw_dir); + EXITM(EX_NOINPUT); + } + } + else if (runasuser) + { + name = *argv; + if (dbfilename == NULL || msgfilename == NULL) + { + msglog(LOG_NOTICE, + "vacation: -U requires setting both -f and -m\n"); + EXITM(EX_NOINPUT); + } + user_info.smdbu_id = pw->pw_uid; + user_info.smdbu_group_id = pw->pw_gid; + (void) sm_strlcpy(user_info.smdbu_name, pw->pw_name, + SMDB_MAX_USER_NAME_LEN); + } + else + { + int err; + SM_CF_OPT_T mbdbname; + SM_MBDB_T user; + + cfpath = getcfname(0, 0, SM_GET_SENDMAIL_CF, cfpath); + mbdbname.opt_name = "MailboxDatabase"; + mbdbname.opt_val = "pw"; + (void) sm_cf_getopt(cfpath, 1, &mbdbname); + err = sm_mbdb_initialize(mbdbname.opt_val); + if (err != EX_OK) + { + msglog(LOG_ERR, + "vacation: can't open mailbox database: %s.\n", + sm_strexit(err)); + EXITM(err); + } + CloseMBDB = true; + err = sm_mbdb_lookup(*argv, &user); + if (err == EX_NOUSER) + { + msglog(LOG_ERR, "vacation: no such user %s.\n", *argv); + EXITM(EX_NOUSER); + } + if (err != EX_OK) + { + msglog(LOG_ERR, + "vacation: can't read mailbox database: %s.\n", + sm_strexit(err)); + EXITM(err); + } + name = user.mbdb_name; + if (chdir(user.mbdb_homedir) != 0) + { + msglog(LOG_NOTICE, + "vacation: no such directory %s.\n", + user.mbdb_homedir); + EXITM(EX_NOINPUT); + } + user_info.smdbu_id = user.mbdb_uid; + user_info.smdbu_group_id = user.mbdb_gid; + (void) sm_strlcpy(user_info.smdbu_name, user.mbdb_name, + SMDB_MAX_USER_NAME_LEN); + } + + if (dbfilename == NULL) + dbfilename = VDB; + if (msgfilename == NULL) + msgfilename = VMSG; + + sff = SFF_CREAT; + if (getegid() != getgid()) + { + /* Allow a set-group-ID vacation binary */ + RunAsGid = user_info.smdbu_group_id = getegid(); + sff |= SFF_OPENASROOT; + } + if (getuid() == 0) + { + /* Allow root to initialize user's vacation databases */ + sff |= SFF_OPENASROOT|SFF_ROOTOK; + + /* ... safely */ + sff |= SFF_NOSLINK|SFF_NOHLINK|SFF_REGONLY; + } + + + result = smdb_open_database(&Db, dbfilename, + O_CREAT|O_RDWR | (initdb ? O_TRUNC : 0), + S_IRUSR|S_IWUSR, sff, + SMDB_TYPE_DEFAULT, &user_info, NULL); + if (result != SMDBE_OK) + { + msglog(LOG_NOTICE, "vacation: %s: %s\n", dbfilename, + sm_errstring(result)); + EXITM(EX_DATAERR); + } + + if (list) + { + listdb(); + (void) Db->smdb_close(Db); + exit(EX_OK); + } + + if (interval != INTERVAL_UNDEF) + setinterval(interval); + + if (initdb && !exclude) + { + (void) Db->smdb_close(Db); + exit(EX_OK); + } + + if (exclude) + { + xclude(smioin); + (void) Db->smdb_close(Db); + EXITM(EX_OK); + } + + if ((cur = (ALIAS *) malloc((unsigned int) sizeof(ALIAS))) == NULL) + { + msglog(LOG_NOTICE, + "vacation: can't allocate memory for username.\n"); + (void) Db->smdb_close(Db); + EXITM(EX_OSERR); + } + cur->name = name; + cur->next = Names; + Names = cur; + + result = readheaders(alwaysrespond); + if (result == EX_OK && !recent()) + { + time_t now; + + (void) time(&now); + setreply(From, now); + (void) Db->smdb_close(Db); + sendmessage(name, msgfilename, returnaddr); + } + else + (void) Db->smdb_close(Db); + if (result == EX_NOUSER) + result = EX_OK; + exit(result); +} + +/* +** EATMSG -- read stdin till EOF +** +** Parameters: +** none. +** +** Returns: +** nothing. +** +*/ + +static void +eatmsg() +{ + /* + ** read the rest of the e-mail and ignore it to avoid problems + ** with EPIPE in sendmail + */ + while (getc(stdin) != EOF) + continue; +} + +/* +** READHEADERS -- read mail headers +** +** Parameters: +** alwaysrespond -- respond regardless of whether msg is to me +** +** Returns: +** a exit code: NOUSER if no reply, OK if reply, * if error +** +** Side Effects: +** may exit(). +** +*/ + +int +readheaders(alwaysrespond) + bool alwaysrespond; +{ + bool tome, cont; + register char *p; + register ALIAS *cur; + char buf[MAXLINE]; + extern bool junkmail __P((char *)); + extern bool nsearch __P((char *, char *)); + + cont = false; + tome = alwaysrespond; + while (sm_io_fgets(smioin, SM_TIME_DEFAULT, buf, sizeof(buf)) && + *buf != '\n') + { + switch(*buf) + { + case 'F': /* "From " */ + cont = false; + if (strncmp(buf, "From ", 5) == 0) + { + bool quoted = false; + + p = buf + 5; + while (*p != '\0') + { + /* escaped character */ + if (*p == '\\') + { + p++; + if (*p == '\0') + { + msglog(LOG_NOTICE, + "vacation: badly formatted \"From \" line.\n"); + EXITIT(EX_DATAERR); + } + } + else if (*p == '"') + quoted = !quoted; + else if (*p == '\r' || *p == '\n') + break; + else if (*p == ' ' && !quoted) + break; + p++; + } + if (quoted) + { + msglog(LOG_NOTICE, + "vacation: badly formatted \"From \" line.\n"); + EXITIT(EX_DATAERR); + } + *p = '\0'; + + /* ok since both strings have MAXLINE length */ + if (*From == '\0') + (void) sm_strlcpy(From, buf + 5, + sizeof From); + if ((p = strchr(buf + 5, '\n')) != NULL) + *p = '\0'; + if (junkmail(buf + 5)) + EXITIT(EX_NOUSER); + } + break; + + case 'P': /* "Precedence:" */ + case 'p': + cont = false; + if (strlen(buf) <= 10 || + strncasecmp(buf, "Precedence", 10) != 0 || + (buf[10] != ':' && buf[10] != ' ' && + buf[10] != '\t')) + break; + if ((p = strchr(buf, ':')) == NULL) + break; + while (*++p != '\0' && isascii(*p) && isspace(*p)); + if (*p == '\0') + break; + if (strncasecmp(p, "junk", 4) == 0 || + strncasecmp(p, "bulk", 4) == 0 || + strncasecmp(p, "list", 4) == 0) + EXITIT(EX_NOUSER); + break; + + case 'C': /* "Cc:" */ + case 'c': + if (strncasecmp(buf, "Cc:", 3) != 0) + break; + cont = true; + goto findme; + + case 'T': /* "To:" */ + case 't': + if (strncasecmp(buf, "To:", 3) != 0) + break; + cont = true; + goto findme; + + default: + if (!isascii(*buf) || !isspace(*buf) || !cont || tome) + { + cont = false; + break; + } +findme: + for (cur = Names; + !tome && cur != NULL; + cur = cur->next) + tome = nsearch(cur->name, buf); + } + } + if (!tome) + EXITIT(EX_NOUSER); + if (*From == '\0') + { + msglog(LOG_NOTICE, "vacation: no initial \"From \" line.\n"); + EXITIT(EX_DATAERR); + } + EXITIT(EX_OK); +} + +/* +** NSEARCH -- +** do a nice, slow, search of a string for a substring. +** +** Parameters: +** name -- name to search. +** str -- string in which to search. +** +** Returns: +** is name a substring of str? +** +*/ + +bool +nsearch(name, str) + register char *name, *str; +{ + register size_t len; + register char *s; + + len = strlen(name); + + for (s = str; *s != '\0'; ++s) + { + /* + ** Check to make sure that the string matches and + ** the previous character is not an alphanumeric and + ** the next character after the match is not an alphanumeric. + ** + ** This prevents matching "eric" to "derick" while still + ** matching "eric" to "". + */ + + if (tolower(*s) == tolower(*name) && + strncasecmp(name, s, len) == 0 && + (s == str || !isascii(*(s - 1)) || !isalnum(*(s - 1))) && + (!isascii(*(s + len)) || !isalnum(*(s + len)))) + return true; + } + return false; +} + +/* +** JUNKMAIL -- +** read the header and return if automagic/junk/bulk/list mail +** +** Parameters: +** from -- sender address. +** +** Returns: +** is this some automated/junk/bulk/list mail? +** +*/ + +struct ignore +{ + char *name; + size_t len; +}; + +typedef struct ignore IGNORE_T; + +#define MAX_USER_LEN 256 /* maximum length of local part (sender) */ + +/* delimiters for the local part of an address */ +#define isdelim(c) ((c) == '%' || (c) == '@' || (c) == '+') + +bool +junkmail(from) + char *from; +{ + bool quot; + char *e; + size_t len; + IGNORE_T *cur; + char sender[MAX_USER_LEN]; + static IGNORE_T ignore[] = + { + { "postmaster", 10 }, + { "uucp", 4 }, + { "mailer-daemon", 13 }, + { "mailer", 6 }, + { NULL, 0 } + }; + + static IGNORE_T ignorepost[] = + { + { "-request", 8 }, + { "-relay", 6 }, + { "-owner", 6 }, + { NULL, 0 } + }; + + static IGNORE_T ignorepre[] = + { + { "owner-", 6 }, + { NULL, 0 } + }; + + /* + ** This is mildly amusing, and I'm not positive it's right; trying + ** to find the "real" name of the sender, assuming that addresses + ** will be some variant of: + ** + ** From site!site!SENDER%site.domain%site.domain@site.domain + */ + + quot = false; + e = from; + len = 0; + while (*e != '\0' && (quot || !isdelim(*e))) + { + if (*e == '"') + { + quot = !quot; + ++e; + continue; + } + if (*e == '\\') + { + if (*(++e) == '\0') + { + /* '\\' at end of string? */ + break; + } + if (len < MAX_USER_LEN) + sender[len++] = *e; + ++e; + continue; + } + if (*e == '!' && !quot) + { + len = 0; + sender[len] = '\0'; + } + else + if (len < MAX_USER_LEN) + sender[len++] = *e; + ++e; + } + if (len < MAX_USER_LEN) + sender[len] = '\0'; + else + sender[MAX_USER_LEN - 1] = '\0'; + + if (len <= 0) + return false; +#if 0 + if (quot) + return false; /* syntax error... */ +#endif /* 0 */ + + /* test prefixes */ + for (cur = ignorepre; cur->name != NULL; ++cur) + { + if (len >= cur->len && + strncasecmp(cur->name, sender, cur->len) == 0) + return true; + } + + /* + ** If the name is truncated, don't test the rest. + ** We could extract the "tail" of the sender address and + ** compare it it ignorepost, however, it seems not worth + ** the effort. + ** The address surely can't match any entry in ignore[] + ** (as long as all of them are shorter than MAX_USER_LEN). + */ + + if (len > MAX_USER_LEN) + return false; + + /* test full local parts */ + for (cur = ignore; cur->name != NULL; ++cur) + { + if (len == cur->len && + strncasecmp(cur->name, sender, cur->len) == 0) + return true; + } + + /* test postfixes */ + for (cur = ignorepost; cur->name != NULL; ++cur) + { + if (len >= cur->len && + strncasecmp(cur->name, e - cur->len - 1, + cur->len) == 0) + return true; + } + return false; +} + +#define VIT "__VACATION__INTERVAL__TIMER__" + +/* +** RECENT -- +** find out if user has gotten a vacation message recently. +** +** Parameters: +** none. +** +** Returns: +** true iff user has gotten a vacation message recently. +** +*/ + +bool +recent() +{ + SMDB_DBENT key, data; + time_t then, next; + bool trydomain = false; + int st; + char *domain; + + memset(&key, '\0', sizeof key); + memset(&data, '\0', sizeof data); + + /* get interval time */ + key.data = VIT; + key.size = sizeof(VIT); + + st = Db->smdb_get(Db, &key, &data, 0); + if (st != SMDBE_OK) + next = SECSPERDAY * DAYSPERWEEK; + else + memmove(&next, data.data, sizeof(next)); + + memset(&data, '\0', sizeof data); + + /* get record for this address */ + key.data = From; + key.size = strlen(From); + + do + { + st = Db->smdb_get(Db, &key, &data, 0); + if (st == SMDBE_OK) + { + memmove(&then, data.data, sizeof(then)); + if (next == ONLY_ONCE || then == ONLY_ONCE || + then + next > time(NULL)) + return true; + } + if ((trydomain = !trydomain) && + (domain = strchr(From, '@')) != NULL) + { + key.data = domain; + key.size = strlen(domain); + } + } while (trydomain); + return false; +} + +/* +** SETINTERVAL -- +** store the reply interval +** +** Parameters: +** interval -- time interval for replies. +** +** Returns: +** nothing. +** +** Side Effects: +** stores the reply interval in database. +*/ + +void +setinterval(interval) + time_t interval; +{ + SMDB_DBENT key, data; + + memset(&key, '\0', sizeof key); + memset(&data, '\0', sizeof data); + + key.data = VIT; + key.size = sizeof(VIT); + data.data = (char*) &interval; + data.size = sizeof(interval); + (void) (Db->smdb_put)(Db, &key, &data, 0); +} + +/* +** SETREPLY -- +** store that this user knows about the vacation. +** +** Parameters: +** from -- sender address. +** when -- last reply time. +** +** Returns: +** nothing. +** +** Side Effects: +** stores user/time in database. +*/ + +void +setreply(from, when) + char *from; + time_t when; +{ + SMDB_DBENT key, data; + + memset(&key, '\0', sizeof key); + memset(&data, '\0', sizeof data); + + key.data = from; + key.size = strlen(from); + data.data = (char*) &when; + data.size = sizeof(when); + (void) (Db->smdb_put)(Db, &key, &data, 0); +} + +/* +** XCLUDE -- +** add users to vacation db so they don't get a reply. +** +** Parameters: +** f -- file pointer with list of address to exclude +** +** Returns: +** nothing. +** +** Side Effects: +** stores users in database. +*/ + +void +xclude(f) + SM_FILE_T *f; +{ + char buf[MAXLINE], *p; + + if (f == NULL) + return; + while (sm_io_fgets(f, SM_TIME_DEFAULT, buf, sizeof buf)) + { + if ((p = strchr(buf, '\n')) != NULL) + *p = '\0'; + setreply(buf, ONLY_ONCE); + } +} + +/* +** SENDMESSAGE -- +** exec sendmail to send the vacation file to sender +** +** Parameters: +** myname -- user name. +** msgfn -- name of file with vacation message. +** sender -- use as sender address +** +** Returns: +** nothing. +** +** Side Effects: +** sends vacation reply. +*/ + +void +sendmessage(myname, msgfn, sender) + char *myname; + char *msgfn; + char *sender; +{ + SM_FILE_T *mfp, *sfp; + int i; + int pvect[2]; + char *pv[8]; + char buf[MAXLINE]; + + mfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, msgfn, SM_IO_RDONLY, NULL); + if (mfp == NULL) + { + if (msgfn[0] == '/') + msglog(LOG_NOTICE, "vacation: no %s file.\n", msgfn); + else + msglog(LOG_NOTICE, "vacation: no ~%s/%s file.\n", + myname, msgfn); + exit(EX_NOINPUT); + } + if (pipe(pvect) < 0) + { + msglog(LOG_ERR, "vacation: pipe: %s", sm_errstring(errno)); + exit(EX_OSERR); + } + pv[0] = "sendmail"; + pv[1] = "-oi"; + pv[2] = "-f"; + if (sender != NULL) + pv[3] = sender; + else + pv[3] = myname; + pv[4] = "--"; + pv[5] = From; + pv[6] = NULL; + i = fork(); + if (i < 0) + { + msglog(LOG_ERR, "vacation: fork: %s", sm_errstring(errno)); + exit(EX_OSERR); + } + if (i == 0) + { + (void) dup2(pvect[0], 0); + (void) close(pvect[0]); + (void) close(pvect[1]); + (void) sm_io_close(mfp, SM_TIME_DEFAULT); + (void) execv(_PATH_SENDMAIL, pv); + msglog(LOG_ERR, "vacation: can't exec %s: %s", + _PATH_SENDMAIL, sm_errstring(errno)); + exit(EX_UNAVAILABLE); + } + /* check return status of the following calls? XXX */ + (void) close(pvect[0]); + if ((sfp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, + (void *) &(pvect[1]), + SM_IO_WRONLY, NULL)) != NULL) + { + (void) sm_io_fprintf(sfp, SM_TIME_DEFAULT, "To: %s\n", From); + (void) sm_io_fprintf(sfp, SM_TIME_DEFAULT, + "Auto-Submitted: auto-replied\n"); + while (sm_io_fgets(mfp, SM_TIME_DEFAULT, buf, sizeof buf)) + (void) sm_io_fputs(sfp, SM_TIME_DEFAULT, buf); + (void) sm_io_close(mfp, SM_TIME_DEFAULT); + (void) sm_io_close(sfp, SM_TIME_DEFAULT); + } + else + { + (void) sm_io_close(mfp, SM_TIME_DEFAULT); + msglog(LOG_ERR, "vacation: can't open pipe to sendmail"); + exit(EX_UNAVAILABLE); + } +} + +void +usage() +{ + msglog(LOG_NOTICE, + "uid %u: usage: vacation [-a alias] [-C cfpath] [-d] [-f db] [-i] [-j] [-l] [-m msg] [-R returnaddr] [-r interval] [-s sender] [-t time] [-U] [-x] [-z] login\n", + getuid()); + exit(EX_USAGE); +} + +/* +** LISTDB -- list the contents of the vacation database +** +** Parameters: +** none. +** +** Returns: +** nothing. +*/ + +static void +listdb() +{ + int result; + time_t t; + SMDB_CURSOR *cursor = NULL; + SMDB_DBENT db_key, db_value; + + memset(&db_key, '\0', sizeof db_key); + memset(&db_value, '\0', sizeof db_value); + + result = Db->smdb_cursor(Db, &cursor, 0); + if (result != SMDBE_OK) + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "vacation: set cursor: %s\n", + sm_errstring(result)); + return; + } + + while ((result = cursor->smdbc_get(cursor, &db_key, &db_value, + SMDB_CURSOR_GET_NEXT)) == SMDBE_OK) + { + char *timestamp; + + /* skip magic VIT entry */ + if (db_key.size == strlen(VIT) + 1 && + strncmp((char *)db_key.data, VIT, + (int)db_key.size - 1) == 0) + continue; + + /* skip bogus values */ + if (db_value.size != sizeof t) + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "vacation: %.*s invalid time stamp\n", + (int) db_key.size, (char *) db_key.data); + continue; + } + + memcpy(&t, db_value.data, sizeof t); + + if (db_key.size > 40) + db_key.size = 40; + + if (t <= 0) + { + /* must be an exclude */ + timestamp = "(exclusion)\n"; + } + else + { + timestamp = ctime(&t); + } + sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%-40.*s %-10s", + (int) db_key.size, (char *) db_key.data, + timestamp); + + memset(&db_key, '\0', sizeof db_key); + memset(&db_value, '\0', sizeof db_value); + } + + if (result != SMDBE_OK && result != SMDBE_LAST_ENTRY) + { + sm_io_fprintf(smioerr, SM_TIME_DEFAULT, + "vacation: get value at cursor: %s\n", + sm_errstring(result)); + if (cursor != NULL) + { + (void) cursor->smdbc_close(cursor); + cursor = NULL; + } + return; + } + (void) cursor->smdbc_close(cursor); + cursor = NULL; +} + +/* +** DEBUGLOG -- write message to standard error +** +** Append a message to the standard error for the convenience of +** end-users debugging without access to the syslog messages. +** +** Parameters: +** i -- syslog log level +** fmt -- string format +** +** Returns: +** nothing. +*/ + +/*VARARGS2*/ +static SYSLOG_RET_T +#ifdef __STDC__ +debuglog(int i, const char *fmt, ...) +#else /* __STDC__ */ +debuglog(i, fmt, va_alist) + int i; + const char *fmt; + va_dcl +#endif /* __STDC__ */ + +{ + SM_VA_LOCAL_DECL + + SM_VA_START(ap, fmt); + sm_io_vfprintf(smioerr, SM_TIME_DEFAULT, fmt, ap); + SM_VA_END(ap); + SYSLOG_RET; +} -- 2.41.0