2 * Copyright (c) 1985, 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 RCSID ("$Id: ftp.c,v 1.75.2.1 2004/08/20 14:59:06 lha Exp $");
37 struct sockaddr_storage hisctladdr_ss;
38 struct sockaddr *hisctladdr = (struct sockaddr *)&hisctladdr_ss;
39 struct sockaddr_storage data_addr_ss;
40 struct sockaddr *data_addr = (struct sockaddr *)&data_addr_ss;
41 struct sockaddr_storage myctladdr_ss;
42 struct sockaddr *myctladdr = (struct sockaddr *)&myctladdr_ss;
48 off_t restart_point = 0;
53 typedef void (*sighand) (int);
56 hookup (const char *host, int port)
58 static char hostnamebuf[MaxHostNameLen];
59 struct addrinfo *ai, *a;
60 struct addrinfo hints;
62 char portstr[NI_MAXSERV];
66 memset (&hints, 0, sizeof(hints));
67 hints.ai_socktype = SOCK_STREAM;
68 hints.ai_protocol = IPPROTO_TCP;
69 hints.ai_flags = AI_CANONNAME;
71 snprintf (portstr, sizeof(portstr), "%u", ntohs(port));
73 error = getaddrinfo (host, portstr, &hints, &ai);
75 warnx ("%s: %s", host, gai_strerror(error));
79 strlcpy (hostnamebuf, host, sizeof(hostnamebuf));
80 hostname = hostnamebuf;
82 for (a = ai; a != NULL; a = a->ai_next) {
83 s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
87 if (a->ai_canonname != NULL)
88 strlcpy (hostnamebuf, a->ai_canonname, sizeof(hostnamebuf));
90 memcpy (hisctladdr, a->ai_addr, a->ai_addrlen);
92 error = connect (s, a->ai_addr, a->ai_addrlen);
96 if (getnameinfo (a->ai_addr, a->ai_addrlen,
97 addrstr, sizeof(addrstr),
98 NULL, 0, NI_NUMERICHOST) != 0)
99 strlcpy (addrstr, "unknown address", sizeof(addrstr));
101 warn ("connect %s", addrstr);
109 warnx ("failed to contact %s", host);
114 len = sizeof(myctladdr_ss);
115 if (getsockname (s, myctladdr, &len) < 0) {
116 warn ("getsockname");
121 #ifdef IPTOS_LOWDELAY
122 socket_set_tos (s, IPTOS_LOWDELAY);
124 cin = fdopen (s, "r");
125 cout = fdopen (s, "w");
126 if (cin == NULL || cout == NULL) {
127 warnx ("fdopen failed.");
136 printf ("Connected to %s.\n", hostname);
137 if (getreply (0) > 2) { /* read startup message from server */
145 #if defined(SO_OOBINLINE) && defined(HAVE_SETSOCKOPT)
149 if (setsockopt (s, SOL_SOCKET, SO_OOBINLINE, (char *) &on, sizeof (on))
154 #endif /* SO_OOBINLINE */
166 char defaultpass[128];
167 char *user, *pass, *acct;
171 struct passwd *pw = k_getpwuid(getuid());
174 myname = pw->pw_name;
176 user = pass = acct = 0;
179 printf("\n*** Using plaintext user and password ***\n\n");
181 printf("Authentication successful.\n\n");
184 if (ruserpass (host, &user, &pass, &acct) < 0) {
188 while (user == NULL) {
190 printf ("Name (%s:%s): ", host, myname);
192 printf ("Name (%s): ", host);
194 if (fgets (tmp, sizeof (tmp) - 1, stdin) != NULL)
195 tmp[strlen (tmp) - 1] = '\0';
201 strlcpy(username, user, sizeof(username));
202 n = command("USER %s", user);
204 n = command("PASS dummy"); /* DK: Compatibility with gssftp daemon */
205 else if(n == CONTINUE) {
209 (!strcmp(user, "ftp") || !strcmp(user, "anonymous"))) {
210 snprintf(defaultpass, sizeof(defaultpass),
211 "%s@%s", myname, mydomain);
212 snprintf(prompt, sizeof(prompt),
213 "Password (%s): ", defaultpass);
214 } else if (sec_complete) {
218 snprintf(prompt, sizeof(prompt), "Password: ");
222 des_read_pw_string (tmp, sizeof (tmp), prompt, 0);
227 n = command ("PASS %s", pass);
232 des_read_pw_string (acct, 128, "Account:", 0);
233 n = command ("ACCT %s", acct);
236 warnx ("Login failed.");
239 if (!aflag && acct != NULL)
240 command ("ACCT %s", acct);
243 for (n = 0; n < macnum; ++n) {
244 if (!strcmp("init", macros[n].mac_name)) {
245 strlcpy (line, "$init", sizeof (line));
247 domacro(margc, margv);
251 sec_set_protection_level ();
263 longjmp (ptabort, 1);
267 command (char *fmt,...)
275 warn ("No control connection for command");
279 oldintr = signal(SIGINT, cmdabort);
282 if (strncmp("PASS ", fmt, 5) == 0)
286 vfprintf(stdout, fmt, ap);
291 sec_vfprintf(cout, fmt, ap);
297 fprintf (cout, "\r\n");
300 r = getreply (!strcmp (fmt, "QUIT"));
301 if (abrtflag && oldintr != SIG_IGN)
303 signal (SIGINT, oldintr);
307 char reply_string[BUFSIZ]; /* last line of previous reply */
310 getreply (int expecteof)
315 struct sigaction sa, osa;
320 sigemptyset (&sa.sa_mask);
322 sa.sa_handler = cmdabort;
323 sigaction (SIGINT, &sa, &osa);
333 sigaction (SIGINT, &osa, NULL);
339 printf ("421 Service not available, "
340 "remote server has closed connection\n");
347 if (c == WILL || c == WONT)
348 fprintf (cout, "%c%c%c", IAC, DONT, getc (cin));
349 if (c == DO || c == DONT)
350 fprintf (cout, "%c%c%c", IAC, WONT, getc (cin));
355 sscanf(buf, "%d", &code);
358 sec_read_msg(buf, prot_safe);
359 sscanf(buf, "%d", &code);
361 } else if(code == 632){
363 sec_read_msg(buf, prot_private);
364 sscanf(buf, "%d", &code);
366 }else if(code == 633){
368 sec_read_msg(buf, prot_confidential);
369 sscanf(buf, "%d", &code);
371 }else if(sec_complete)
375 if(code != 0 && reply_code == 0)
377 if (verbose > 0 || (verbose > -1 && code > 499))
378 fprintf (stdout, "%s%s\n", lead_string, buf);
379 if (code == reply_code && buf[3] == ' ') {
380 strlcpy (reply_string, buf, sizeof(reply_string));
383 sigaction (SIGINT, &osa, NULL);
388 osa.sa_handler != cmdabort &&
389 osa.sa_handler != SIG_IGN)
390 osa.sa_handler (SIGINT);
392 if (code == 227 || code == 229) {
395 p = strchr (reply_string, '(');
398 strlcpy(pasv, p, sizeof(pasv));
399 p = strrchr(pasv, ')');
407 if(verbose > 0 || (verbose > -1 && code > 499)){
409 fprintf(stdout, "!!");
410 fprintf(stdout, "%s\n", buf);
417 if(p < buf + sizeof(buf) - 1)
419 else if(long_warn == 0) {
420 fprintf(stderr, "WARNING: incredibly long line received\n");
431 getreply (int expecteof)
435 int originalcode = 0, continuation = 0;
438 char *cp, *pt = pasv;
440 oldintr = signal (SIGINT, cmdabort);
444 while ((c = getc (cin)) != '\n') {
445 if (c == IAC) { /* handle telnet commands */
446 switch (c = getc (cin)) {
450 fprintf (cout, "%c%c%c", IAC, DONT, c);
456 fprintf (cout, "%c%c%c", IAC, WONT, c);
467 signal (SIGINT, oldintr);
473 printf ("421 Service not available, remote server has closed connection\n");
479 if (c != '\r' && (verbose > 0 ||
480 (verbose > -1 && n == '5' && dig > 4))) {
482 (dig == 1 || dig == 5 && verbose == 0))
483 printf ("%s:", hostname);
486 if (dig < 4 && isdigit (c))
487 code = code * 10 + (c - '0');
488 if (!pflag && code == 227)
490 if (dig > 4 && pflag == 1 && isdigit (c))
493 if (c != '\r' && c != ')')
500 if (dig == 4 && c == '-') {
507 if (cp < &reply_string[sizeof (reply_string) - 1])
510 if (verbose > 0 || verbose > -1 && n == '5') {
514 if (continuation && code != originalcode) {
515 if (originalcode == 0)
522 sec_read_msg(reply_string, prot_safe);
524 sec_read_msg(reply_string, prot_private);
526 sec_read_msg(reply_string, prot_confidential);
527 n = code / 100 + '0';
531 signal (SIGINT, oldintr);
532 if (code == 421 || originalcode == 421)
534 if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
543 empty (fd_set * mask, int sec)
549 return (select (FD_SETSIZE, mask, NULL, NULL, &t));
560 printf ("\nsend aborted\nwaiting for remote to finish abort\n");
562 longjmp (sendabort, 1);
565 #define HASHBYTES 1024
568 copy_stream (FILE * from, FILE * to)
570 static size_t bufsize;
575 int hashbytes = HASHBYTES;
578 #if defined(HAVE_MMAP) && !defined(NO_MMAP)
582 #define MAP_FAILED (-1)
585 if (fstat (fileno (from), &st) == 0 && S_ISREG (st.st_mode)) {
587 * mmap zero bytes has potential of loosing, don't do it.
591 chunk = mmap (0, st.st_size, PROT_READ, MAP_SHARED, fileno (from), 0);
592 if (chunk != (void *) MAP_FAILED) {
595 res = sec_write (fileno (to), chunk, st.st_size);
596 if (munmap (chunk, st.st_size) < 0)
604 buf = alloc_buffer (buf, &bufsize,
605 fstat (fileno (from), &st) >= 0 ? &st : NULL);
609 while ((n = read (fileno (from), buf, bufsize)) > 0) {
610 werr = sec_write (fileno (to), buf, n);
614 while (hash && bytes > hashbytes) {
616 hashbytes += HASHBYTES;
632 sendrequest (char *cmd, char *local, char *remote, char *lmode, int printnames)
635 struct timeval start, stop;
637 FILE *fin, *dout = 0;
638 int (*closefunc) (FILE *);
639 RETSIGTYPE (*oldintr)(int), (*oldintp)(int);
640 long bytes = 0, hashbytes = HASHBYTES;
643 if (verbose && printnames) {
644 if (local && strcmp (local, "-") != 0)
645 printf ("local: %s ", local);
647 printf ("remote: %s\n", remote);
650 proxtrans (cmd, local, remote);
654 changetype (type, 0);
659 if (setjmp (sendabort)) {
668 signal (SIGINT, oldintr);
670 signal (SIGPIPE, oldintp);
674 oldintr = signal (SIGINT, abortsend);
675 if (strcmp (local, "-") == 0)
677 else if (*local == '|') {
678 oldintp = signal (SIGPIPE, SIG_IGN);
679 fin = popen (local + 1, lmode);
681 warn ("%s", local + 1);
682 signal (SIGINT, oldintr);
683 signal (SIGPIPE, oldintp);
689 fin = fopen (local, lmode);
691 warn ("local: %s", local);
692 signal (SIGINT, oldintr);
697 if (fstat (fileno (fin), &st) < 0 ||
698 (st.st_mode & S_IFMT) != S_IFREG) {
699 fprintf (stdout, "%s: not a plain file.\n", local);
700 signal (SIGINT, oldintr);
707 signal (SIGINT, oldintr);
709 signal (SIGPIPE, oldintp);
711 if (closefunc != NULL)
715 if (setjmp (sendabort))
719 (strcmp (cmd, "STOR") == 0 || strcmp (cmd, "APPE") == 0)) {
724 rc = fseek (fin, (long) restart_point, SEEK_SET);
728 rc = lseek (fileno (fin), restart_point, SEEK_SET);
732 warn ("local: %s", local);
734 if (closefunc != NULL)
738 if (command ("REST %ld", (long) restart_point)
741 if (closefunc != NULL)
749 if (command ("%s %s", cmd, remote) != PRELIM) {
750 signal (SIGINT, oldintr);
752 signal (SIGPIPE, oldintp);
753 if (closefunc != NULL)
757 } else if (command ("%s", cmd) != PRELIM) {
758 signal(SIGINT, oldintr);
760 signal(SIGPIPE, oldintp);
761 if (closefunc != NULL)
765 dout = dataconn(rmode);
768 set_buffer_size (fileno (dout), 0);
769 gettimeofday (&start, (struct timezone *) 0);
770 oldintp = signal (SIGPIPE, SIG_IGN);
776 bytes = copy_stream (fin, dout);
780 while ((c = getc (fin)) != EOF) {
782 while (hash && (bytes >= hashbytes)) {
785 hashbytes += HASHBYTES;
789 sec_putc ('\r', dout);
797 if (bytes < hashbytes)
803 warn ("local: %s", local);
811 if (closefunc != NULL)
814 gettimeofday (&stop, (struct timezone *) 0);
816 signal (SIGINT, oldintr);
818 signal (SIGPIPE, oldintp);
820 ptransfer ("sent", bytes, &start, &stop);
823 signal (SIGINT, oldintr);
825 signal (SIGPIPE, oldintp);
838 if (closefunc != NULL && fin != NULL)
840 gettimeofday (&stop, (struct timezone *) 0);
842 ptransfer ("sent", bytes, &start, &stop);
853 printf ("\nreceive aborted\nwaiting for remote to finish abort\n");
855 longjmp (recvabort, 1);
859 recvrequest (char *cmd, char *local, char *remote,
860 char *lmode, int printnames, int local_given)
862 FILE *fout, *din = 0;
863 int (*closefunc) (FILE *);
864 sighand oldintr, oldintp;
865 int c, d, is_retr, tcrflag, bare_lfs = 0;
866 static size_t bufsize;
868 long bytes = 0, hashbytes = HASHBYTES;
869 struct timeval start, stop;
872 is_retr = strcmp (cmd, "RETR") == 0;
873 if (is_retr && verbose && printnames) {
874 if (local && strcmp (local, "-") != 0)
875 printf ("local: %s ", local);
877 printf ("remote: %s\n", remote);
879 if (proxy && is_retr) {
880 proxtrans (cmd, local, remote);
886 tcrflag = !crflag && is_retr;
887 if (setjmp (recvabort)) {
896 signal (SIGINT, oldintr);
900 oldintr = signal (SIGINT, abortrecv);
901 if (!local_given || (strcmp (local, "-") && *local != '|')) {
902 if (access (local, 2) < 0) {
903 char *dir = strrchr (local, '/');
905 if (errno != ENOENT && errno != EACCES) {
906 warn ("local: %s", local);
907 signal (SIGINT, oldintr);
913 d = access (dir ? local : ".", 2);
917 warn ("local: %s", local);
918 signal (SIGINT, oldintr);
922 if (!runique && errno == EACCES &&
923 chmod (local, 0600) < 0) {
924 warn ("local: %s", local);
925 signal (SIGINT, oldintr);
926 signal (SIGINT, oldintr);
930 if (runique && errno == EACCES &&
931 (local = gunique (local)) == NULL) {
932 signal (SIGINT, oldintr);
936 } else if (runique && (local = gunique (local)) == NULL) {
937 signal(SIGINT, oldintr);
943 if (curtype != TYPE_A)
944 changetype (TYPE_A, 0);
945 } else if (curtype != type)
946 changetype (type, 0);
948 signal (SIGINT, oldintr);
952 if (setjmp (recvabort))
954 if (is_retr && restart_point &&
955 command ("REST %ld", (long) restart_point) != CONTINUE)
958 if (command ("%s %s", cmd, remote) != PRELIM) {
959 signal (SIGINT, oldintr);
963 if (command ("%s", cmd) != PRELIM) {
964 signal (SIGINT, oldintr);
968 din = dataconn ("r");
971 set_buffer_size (fileno (din), 1);
972 if (local_given && strcmp (local, "-") == 0)
974 else if (local_given && *local == '|') {
975 oldintp = signal (SIGPIPE, SIG_IGN);
976 fout = popen (local + 1, "w");
978 warn ("%s", local + 1);
983 fout = fopen (local, lmode);
985 warn ("local: %s", local);
990 buf = alloc_buffer (buf, &bufsize,
991 fstat (fileno (fout), &st) >= 0 ? &st : NULL);
995 gettimeofday (&start, (struct timezone *) 0);
1000 if (restart_point &&
1001 lseek (fileno (fout), restart_point, SEEK_SET) < 0) {
1002 warn ("local: %s", local);
1003 if (closefunc != NULL)
1004 (*closefunc) (fout);
1008 while ((c = sec_read (fileno (din), buf, bufsize)) > 0) {
1009 if ((d = write (fileno (fout), buf, c)) != c)
1013 while (bytes >= hashbytes) {
1015 hashbytes += HASHBYTES;
1020 if (hash && bytes > 0) {
1021 if (bytes < HASHBYTES)
1033 warn ("local: %s", local);
1035 warnx ("%s: short write", local);
1040 if (restart_point) {
1043 if (fseek (fout, 0L, SEEK_SET) < 0)
1046 for (i = 0; i++ < n;) {
1047 if ((ch = sec_getc (fout)) == EOF)
1052 if (fseek (fout, 0L, SEEK_CUR) < 0) {
1054 warn ("local: %s", local);
1055 if (closefunc != NULL)
1056 (*closefunc) (fout);
1060 while ((c = sec_getc(din)) != EOF) {
1064 while (hash && (bytes >= hashbytes)) {
1067 hashbytes += HASHBYTES;
1070 if ((c = sec_getc (din)) != '\n' || tcrflag) {
1088 printf ("WARNING! %d bare linefeeds received in ASCII mode\n",
1090 printf ("File may not have transferred correctly.\n");
1093 if (bytes < hashbytes)
1104 warn ("local: %s", local);
1107 if (closefunc != NULL)
1108 (*closefunc) (fout);
1109 signal (SIGINT, oldintr);
1111 signal (SIGPIPE, oldintp);
1113 gettimeofday (&stop, (struct timezone *) 0);
1115 if (bytes > 0 && is_retr)
1116 ptransfer ("received", bytes, &start, &stop);
1120 /* abort using RFC959 recommended IP,SYNC sequence */
1123 signal (SIGPIPE, oldintr);
1124 signal (SIGINT, SIG_IGN);
1127 signal (SIGINT, oldintr);
1136 if (closefunc != NULL && fout != NULL)
1137 (*closefunc) (fout);
1140 gettimeofday (&stop, (struct timezone *) 0);
1142 ptransfer ("received", bytes, &start, &stop);
1143 signal (SIGINT, oldintr);
1147 parse_epsv (const char *str)
1160 port = strtol (str, &end, 0);
1163 if (end[0] != sep || end[1] != '\0')
1169 parse_pasv (struct sockaddr_in *sin, const char *str)
1171 int a0, a1, a2, a3, p0, p1;
1174 * What we've got at this point is a string of comma separated
1175 * one-byte unsigned integer values. The first four are the an IP
1176 * address. The fifth is the MSB of the port number, the sixth is the
1177 * LSB. From that we'll prepare a sockaddr_in.
1180 if (sscanf (str, "%d,%d,%d,%d,%d,%d",
1181 &a0, &a1, &a2, &a3, &p0, &p1) != 6) {
1182 printf ("Passive mode address scan failure. "
1183 "Shouldn't happen!\n");
1186 if (a0 < 0 || a0 > 255 ||
1187 a1 < 0 || a1 > 255 ||
1188 a2 < 0 || a2 > 255 ||
1189 a3 < 0 || a3 > 255 ||
1190 p0 < 0 || p0 > 255 ||
1191 p1 < 0 || p1 > 255) {
1192 printf ("Can't parse passive mode string.\n");
1195 memset (sin, 0, sizeof(*sin));
1196 sin->sin_family = AF_INET;
1197 sin->sin_addr.s_addr = htonl ((a0 << 24) | (a1 << 16) |
1199 sin->sin_port = htons ((p0 << 8) | p1);
1208 data = socket (myctladdr->sa_family, SOCK_STREAM, 0);
1213 if (options & SO_DEBUG)
1214 socket_set_debug (data);
1215 if (command ("EPSV") != COMPLETE) {
1216 if (command ("PASV") != COMPLETE) {
1217 printf ("Passive mode refused.\n");
1223 * Parse the reply to EPSV or PASV
1226 port = parse_epsv (pasv);
1228 data_addr->sa_family = myctladdr->sa_family;
1229 socket_set_address_and_port (data_addr,
1230 socket_get_address (hisctladdr),
1233 if (parse_pasv ((struct sockaddr_in *)data_addr, pasv) < 0)
1237 if (connect (data, data_addr, socket_sockaddr_size (data_addr)) < 0) {
1241 #ifdef IPTOS_THROUGHPUT
1242 socket_set_tos (data, IPTOS_THROUGHPUT);
1261 data_addr->sa_family = myctladdr->sa_family;
1262 socket_set_address_and_port (data_addr, socket_get_address (myctladdr),
1263 sendport ? 0 : socket_get_port (myctladdr));
1267 data = socket (data_addr->sa_family, SOCK_STREAM, 0);
1275 socket_set_reuseaddr (data, 1);
1276 if (bind (data, data_addr, socket_sockaddr_size (data_addr)) < 0) {
1280 if (options & SO_DEBUG)
1281 socket_set_debug (data);
1282 len = sizeof (data_addr_ss);
1283 if (getsockname (data, data_addr, &len) < 0) {
1284 warn ("getsockname");
1287 if (listen (data, 1) < 0)
1294 if (inet_ntop (data_addr->sa_family, socket_get_address (data_addr),
1295 addr_str, sizeof(addr_str)) == NULL)
1296 errx (1, "inet_ntop failed");
1297 switch (data_addr->sa_family) {
1307 errx (1, "bad address family %d", data_addr->sa_family);
1315 result = command ("EPRT |%d|%s|%d|",
1317 ntohs(socket_get_port (data_addr)));
1320 if (result == ERROR) {
1321 struct sockaddr_in *sin = (struct sockaddr_in *)data_addr;
1323 unsigned int a = ntohl(sin->sin_addr.s_addr);
1324 unsigned int p = ntohs(sin->sin_port);
1326 if (data_addr->sa_family != AF_INET) {
1327 warnx ("remote server doesn't support EPRT");
1331 result = command("PORT %d,%d,%d,%d,%d,%d",
1338 if (result == ERROR && sendport == -1) {
1343 return (result != COMPLETE);
1345 return result != COMPLETE;
1351 #ifdef IPTOS_THROUGHPUT
1352 socket_set_tos (data, IPTOS_THROUGHPUT);
1364 * Need to start a listen on the data channel before we send the command,
1365 * otherwise the server's connect may fail.
1371 return passive_mode ();
1373 return active_mode ();
1377 dataconn (const char *lmode)
1379 struct sockaddr_storage from_ss;
1380 struct sockaddr *from = (struct sockaddr *)&from_ss;
1381 socklen_t fromlen = sizeof(from_ss);
1385 return (fdopen (data, lmode));
1387 s = accept (data, from, &fromlen);
1390 close (data), data = -1;
1395 #ifdef IPTOS_THROUGHPUT
1396 socket_set_tos (s, IPTOS_THROUGHPUT);
1398 return (fdopen (data, lmode));
1402 ptransfer (char *direction, long int bytes,
1403 struct timeval * t0, struct timeval * t1)
1412 td.tv_sec = t1->tv_sec - t0->tv_sec;
1413 td.tv_usec = t1->tv_usec - t0->tv_usec;
1414 if (td.tv_usec < 0) {
1416 td.tv_usec += 1000000;
1418 s = td.tv_sec + (td.tv_usec / 1000000.);
1419 bs = bytes / (s ? s : 1);
1420 if (bs >= 1048576) {
1424 } else if (bs >= 1024) {
1433 printf ("%ld bytes %s in %.3g seconds (%.*f %sbyte/s)\n",
1434 bytes, direction, s, prec, bs, unit);
1449 static struct comvars {
1451 char name[MaxHostNameLen];
1452 struct sockaddr_storage mctl;
1453 struct sockaddr_storage hctl;
1466 char mi[MaxPathLen];
1467 char mo[MaxPathLen];
1468 } proxstruct, tmpstruct;
1469 struct comvars *ip, *op;
1472 oldintr = signal (SIGINT, psabort);
1486 ip->connect = connected;
1487 connected = op->connect;
1489 strlcpy (ip->name, hostname, sizeof (ip->name));
1492 hostname = op->name;
1493 ip->hctl = hisctladdr_ss;
1494 hisctladdr_ss = op->hctl;
1495 ip->mctl = myctladdr_ss;
1496 myctladdr_ss = op->mctl;
1503 ip->curtpe = curtype;
1504 curtype = op->curtpe;
1507 ip->sunqe = sunique;
1508 sunique = op->sunqe;
1509 ip->runqe = runique;
1510 runique = op->runqe;
1515 strlcpy (ip->nti, ntin, sizeof (ip->nti));
1516 strlcpy (ntin, op->nti, 17);
1517 strlcpy (ip->nto, ntout, sizeof (ip->nto));
1518 strlcpy (ntout, op->nto, 17);
1519 ip->mapflg = mapflag;
1520 mapflag = op->mapflg;
1521 strlcpy (ip->mi, mapin, MaxPathLen);
1522 strlcpy (mapin, op->mi, MaxPathLen);
1523 strlcpy (ip->mo, mapout, MaxPathLen);
1524 strlcpy (mapout, op->mo, MaxPathLen);
1525 signal(SIGINT, oldintr);
1528 (*oldintr) (SIGINT);
1541 longjmp (ptabort, 1);
1545 proxtrans (char *cmd, char *local, char *remote)
1548 int secndflag = 0, prox_type, nfnd;
1552 if (strcmp (cmd, "RETR"))
1555 cmd2 = runique ? "STOU" : "STOR";
1556 if ((prox_type = type) == 0) {
1557 if (unix_server && unix_proxy)
1562 if (curtype != prox_type)
1563 changetype (prox_type, 1);
1564 if (command ("PASV") != COMPLETE) {
1565 printf ("proxy server does not support third party transfers.\n");
1570 printf ("No primary connection\n");
1575 if (curtype != prox_type)
1576 changetype (prox_type, 1);
1577 if (command ("PORT %s", pasv) != COMPLETE) {
1581 if (setjmp (ptabort))
1583 oldintr = signal (SIGINT, abortpt);
1584 if (command ("%s %s", cmd, remote) != PRELIM) {
1585 signal (SIGINT, oldintr);
1592 if (command ("%s %s", cmd2, local) != PRELIM)
1598 signal (SIGINT, oldintr);
1601 printf ("local: %s remote: %s\n", local, remote);
1604 signal (SIGINT, SIG_IGN);
1606 if (strcmp (cmd, "RETR") && !proxy)
1608 else if (!strcmp (cmd, "RETR") && proxy)
1610 if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */
1611 if (command ("%s %s", cmd2, local) != PRELIM) {
1614 abort_remote ((FILE *) NULL);
1619 signal (SIGINT, oldintr);
1623 abort_remote ((FILE *) NULL);
1625 if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */
1626 if (command ("%s %s", cmd2, local) != PRELIM) {
1629 abort_remote ((FILE *) NULL);
1633 signal (SIGINT, oldintr);
1638 abort_remote ((FILE *) NULL);
1642 if (fileno(cin) >= FD_SETSIZE)
1643 errx (1, "fd too large");
1644 FD_SET (fileno (cin), &mask);
1645 if ((nfnd = empty (&mask, 10)) <= 0) {
1661 signal (SIGINT, oldintr);
1665 reset (int argc, char **argv)
1672 if (fileno (cin) >= FD_SETSIZE)
1673 errx (1, "fd too large");
1674 FD_SET (fileno (cin), &mask);
1675 if ((nfnd = empty (&mask, 0)) < 0) {
1686 gunique (char *local)
1688 static char new[MaxPathLen];
1689 char *cp = strrchr (local, '/');
1695 d = access (cp ? local : ".", 2);
1699 warn ("local: %s", local);
1702 strlcpy (new, local, sizeof(new));
1703 cp = new + strlen(new);
1706 if (++count == 100) {
1707 printf ("runique: can't find unique file name.\n");
1716 if ((d = access (new, 0)) < 0)
1720 else if (*(cp - 2) == '.')
1723 *(cp - 2) = *(cp - 2) + 1;
1731 abort_remote (FILE * din)
1738 * send IAC in urgent mode instead of DM because 4.3BSD places oob mark
1739 * after urgent byte rather than before as is protocol now
1741 snprintf (buf, sizeof (buf), "%c%c%c", IAC, IP, IAC);
1742 if (send (fileno (cout), buf, 3, MSG_OOB) != 3)
1744 fprintf (cout, "%c", DM);
1745 sec_fprintf(cout, "ABOR");
1747 fprintf (cout, "\r\n");
1750 if (fileno (cin) >= FD_SETSIZE)
1751 errx (1, "fd too large");
1752 FD_SET (fileno (cin), &mask);
1754 if (fileno (din) >= FD_SETSIZE)
1755 errx (1, "fd too large");
1756 FD_SET (fileno (din), &mask);
1758 if ((nfnd = empty (&mask, 10)) <= 0) {
1766 if (din && FD_ISSET (fileno (din), &mask)) {
1767 while (read (fileno (din), buf, BUFSIZ) > 0)
1770 if (getreply (0) == ERROR && code == 552) {
1771 /* 552 needed for nic style abort */