dma(8): Upgrade to v0.7.
[dragonfly.git] / libexec / dma / dma.h
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1/*
2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Simon 'corecode' Schubert <corecode@fs.ei.tum.de> and
6 * Matthias Schmidt <matthias@dragonflybsd.org>.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
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34 */
35
36#ifndef DMA_H
37#define DMA_H
38
3021968a 39#include <sys/types.h>
f67beddd 40#include <sys/queue.h>
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41#include <sys/socket.h>
42#include <arpa/nameser.h>
43#include <arpa/inet.h>
44#include <openssl/ssl.h>
45#include <netdb.h>
f67beddd 46
c8b07ee5 47#define VERSION "DragonFly Mail Agent " DMA_VERSION
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48
49#define BUF_SIZE 2048
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50#define ERRMSG_SIZE 200
51#define USERNAME_SIZE 50
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52#define MIN_RETRY 300 /* 5 minutes */
53#define MAX_RETRY (3*60*60) /* retry at least every 3 hours */
54#define MAX_TIMEOUT (5*24*60*60) /* give up after 5 days */
144b337d 55#ifndef PATH_MAX
f67beddd 56#define PATH_MAX 1024 /* Max path len */
144b337d 57#endif
01c2a160 58#define SMTP_PORT 25 /* Default SMTP port */
c8b07ee5 59#define CON_TIMEOUT (5*60) /* Connection timeout per RFC5321 */
f67beddd 60
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61#define STARTTLS 0x002 /* StartTLS support */
62#define SECURETRANS 0x004 /* SSL/TLS in general */
6ef9fe01 63#define NOSSL 0x008 /* Do not use SSL */
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64#define DEFER 0x010 /* Defer mails */
65#define INSECURE 0x020 /* Allow plain login w/o encryption */
5ca28cf6 66#define FULLBOUNCE 0x040 /* Bounce the full message */
c8b07ee5 67#define TLS_OPP 0x080 /* Opportunistic STARTTLS */
01c2a160 68
f4e61a9f 69#ifndef CONF_PATH
c8b07ee5 70#error Please define CONF_PATH
f4e61a9f 71#endif
f67beddd 72
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73#ifndef LIBEXEC_PATH
74#error Please define LIBEXEC_PATH
75#endif
76
77#define DMA_ROOT_USER "mail"
78#define DMA_GROUP "mail"
79
80#ifndef MBOX_STRICT
81#define MBOX_STRICT 0
82#endif
83
84
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85struct stritem {
86 SLIST_ENTRY(stritem) next;
87 char *str;
88};
89SLIST_HEAD(strlist, stritem);
90
91struct alias {
92 LIST_ENTRY(alias) next;
93 char *alias;
94 struct strlist dests;
95};
96LIST_HEAD(aliases, alias);
97
98struct qitem {
99 LIST_ENTRY(qitem) next;
100 const char *sender;
101 char *addr;
102 char *queuefn;
f4e61a9f 103 char *mailfn;
f67beddd 104 char *queueid;
9afa363f 105 FILE *queuef;
f4e61a9f 106 FILE *mailf;
4a23bd3d 107 int remote;
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108};
109LIST_HEAD(queueh, qitem);
110
111struct queue {
112 struct queueh queue;
405f48ee 113 char *id;
9afa363f 114 FILE *mailf;
f67beddd 115 char *tmpf;
1c9e6b7b 116 const char *sender;
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117};
118
119struct config {
ca259d14 120 const char *smarthost;
f67beddd 121 int port;
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122 const char *aliases;
123 const char *spooldir;
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124 const char *authpath;
125 const char *certfile;
f67beddd 126 int features;
ca259d14 127 const char *mailname;
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128 const char *masquerade_host;
129 const char *masquerade_user;
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130
131 /* XXX does not belong into config */
f67beddd 132 SSL *ssl;
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133};
134
135
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136struct authuser {
137 SLIST_ENTRY(authuser) next;
138 char *login;
139 char *password;
140 char *host;
141};
142SLIST_HEAD(authusers, authuser);
143
f4e61a9f 144
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145struct mx_hostentry {
146 char host[MAXDNAME];
147 char addr[INET6_ADDRSTRLEN];
148 int pref;
149 struct addrinfo ai;
150 struct sockaddr_storage sa;
151};
152
153
f4e61a9f 154/* global variables */
f67beddd 155extern struct aliases aliases;
ca259d14 156extern struct config config;
f4e61a9f 157extern struct strlist tmpfs;
f4e61a9f 158extern struct authusers authusers;
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159extern char username[USERNAME_SIZE];
160extern uid_t useruid;
1da0a9f2 161extern const char *logident_base;
f67beddd 162
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163extern char neterr[ERRMSG_SIZE];
164extern char errmsg[ERRMSG_SIZE];
a5a8a1a4 165
f67beddd 166/* aliases_parse.y */
f4e61a9f 167int yyparse(void);
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168extern FILE *yyin;
169
170/* conf.c */
f4e61a9f 171void trim_line(char *);
ca259d14 172void parse_conf(const char *);
ca259d14 173void parse_authfile(const char *);
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174
175/* crypto.c */
c8b07ee5 176void hmac_md5(unsigned char *, int, unsigned char *, int, unsigned char *);
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177int smtp_auth_md5(int, char *, char *);
178int smtp_init_crypto(int, int);
f67beddd 179
3021968a
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180/* dns.c */
181int dns_get_mx_list(const char *, int, struct mx_hostentry **, int);
182
f67beddd 183/* net.c */
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184char *ssl_errstr(void);
185int read_remote(int, int, char *);
b58f1e66 186ssize_t send_remote_command(int, const char*, ...) __printflike(2, 3);
c8b07ee5 187int deliver_remote(struct qitem *);
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188
189/* base64.c */
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190int base64_encode(const void *, int, char **);
191int base64_decode(const char *, void *);
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192
193/* dma.c */
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194#define EXPAND_ADDR 1
195#define EXPAND_WILDCARD 2
1c9e6b7b 196int add_recp(struct queue *, const char *, int);
30833a29 197void run_queue(struct queue *);
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198
199/* spool.c */
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200int newspoolf(struct queue *);
201int linkspool(struct queue *);
1da0a9f2 202int load_queue(struct queue *);
f4e61a9f 203void delqueue(struct qitem *);
24c80b2b 204int acquirespool(struct qitem *);
9afa363f 205void dropspool(struct queue *, struct qitem *);
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206
207/* local.c */
c8b07ee5 208int deliver_local(struct qitem *);
1da0a9f2 209
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210/* mail.c */
211void bounce(struct qitem *, const char *);
ff48fce6 212int readmail(struct queue *, int, int);
30833a29 213
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214/* util.c */
215const char *hostname(void);
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216void setlogident(const char *, ...) __printf0like(1, 2);
217void errlog(int, const char *, ...) __printf0like(2, 3);
218void errlogx(int, const char *, ...) __printf0like(2, 3);
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219void set_username(void);
220void deltmp(void);
c8b07ee5 221int do_timeout(int, int);
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222int open_locked(const char *, int, ...);
223char *rfc822date(void);
224int strprefixcmp(const char *, const char *);
c8b07ee5 225void init_random(void);
1da0a9f2 226
f67beddd 227#endif