masqmail
view src/masqmail.c @ 186:3dff59a4e764
added two setup guides
they surely need improvements
please help to improve them
| author | meillo@marmaro.de |
|---|---|
| date | Wed, 14 Jul 2010 23:26:20 +0200 |
| parents | 5b621742b2e7 2ac8a66ee108 |
| children | 89f951be358f |
line source
1 /* MasqMail
2 Copyright (C) 1999-2001 Oliver Kurth
3 Copyright (C) 2010 markus schnalke <meillo@marmaro.de>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
20 #include <stdio.h>
21 #include <errno.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <unistd.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <sys/time.h>
28 #include <netinet/in.h>
29 #include <netdb.h>
30 #include <syslog.h>
31 #include <signal.h>
33 #include <glib.h>
35 #include "masqmail.h"
37 /* mutually exclusive modes. Note that there is neither a 'get' mode
38 nor a 'queue daemon' mode. These, as well as the distinction beween
39 the two (non exclusive) daemon (queue and listen) modes are handled
40 by flags.*/
41 typedef enum _mta_mode {
42 MODE_ACCEPT = 0, /* accept message on stdin */
43 MODE_DAEMON, /* run as daemon */
44 MODE_RUNQUEUE, /* single queue run, online or offline */
45 MODE_GET_DAEMON, /* run as get (retrieve) daemon */
46 MODE_SMTP, /* accept SMTP on stdin */
47 MODE_LIST, /* list queue */
48 MODE_MCMD, /* do queue manipulation */
49 MODE_VERSION, /* show version */
50 MODE_BI, /* fake ;-) */
51 MODE_NONE /* to prevent default MODE_ACCEPT */
52 } mta_mode;
54 char *pidfile = NULL;
55 volatile int sigterm_in_progress = 0;
57 static void
58 sigterm_handler(int sig)
59 {
60 if (sigterm_in_progress)
61 raise(sig);
62 sigterm_in_progress = 1;
64 if (pidfile) {
65 uid_t uid;
66 uid = seteuid(0);
67 if (unlink(pidfile) != 0)
68 logwrite(LOG_WARNING, "could not delete pid file %s: %s\n", pidfile, strerror(errno));
69 seteuid(uid); /* we exit anyway after this, just to be sure */
70 }
72 signal(sig, SIG_DFL);
73 raise(sig);
74 }
76 #ifdef ENABLE_IDENT /* so far used for that only */
77 static gboolean
78 is_in_netlist(gchar * host, GList * netlist)
79 {
80 guint hostip = inet_addr(host);
81 struct in_addr addr;
83 addr.s_addr = hostip;
84 if (addr.s_addr != INADDR_NONE) {
85 GList *node;
86 foreach(netlist, node) {
87 struct in_addr *net = (struct in_addr *) (node->data);
88 if ((addr.s_addr & net->s_addr) == net->s_addr)
89 return TRUE;
90 }
91 }
92 return FALSE;
93 }
94 #endif
96 gchar*
97 get_optarg(char *argv[], gint argc, gint * argp, gint * pos)
98 {
99 if (argv[*argp][*pos])
100 return &(argv[*argp][*pos]);
101 else {
102 if (*argp + 1 < argc) {
103 if (argv[(*argp) + 1][0] != '-') {
104 (*argp)++;
105 *pos = 0;
106 return &(argv[*argp][*pos]);
107 }
108 }
109 }
110 return NULL;
111 }
113 gchar*
114 get_progname(gchar * arg0)
115 {
116 gchar *p = arg0 + strlen(arg0) - 1;
117 while (p > arg0) {
118 if (*p == '/')
119 return p + 1;
120 p--;
121 }
122 return p;
123 }
125 gboolean
126 write_pidfile(gchar * name)
127 {
128 FILE *fptr;
130 if ((fptr = fopen(name, "wt"))) {
131 fprintf(fptr, "%d\n", getpid());
132 fclose(fptr);
133 pidfile = strdup(name);
134 return TRUE;
135 }
136 logwrite(LOG_WARNING, "could not write pid file: %s\n", strerror(errno));
137 return FALSE;
138 }
140 static void
141 mode_daemon(gboolean do_listen, gint queue_interval, char *argv[])
142 {
143 guint pid;
145 /* daemon */
146 if (!conf.run_as_user) {
147 if ((conf.orig_uid != 0) && (conf.orig_uid != conf.mail_uid)) {
148 fprintf(stderr, "must be root or %s for daemon.\n", DEF_MAIL_USER);
149 exit(EXIT_FAILURE);
150 }
151 }
153 /* reparent to init only if init is not already the parent */
154 if (getppid() != 1) {
155 if ((pid = fork()) > 0) {
156 exit(EXIT_SUCCESS);
157 } else if (pid < 0) {
158 logwrite(LOG_ALERT, "could not fork!");
159 exit(EXIT_FAILURE);
160 }
161 }
163 signal(SIGTERM, sigterm_handler);
164 write_pidfile(PIDFILEDIR "/masqmail.pid");
166 conf.do_verbose = FALSE;
168 /* closing and reopening the log ensures that it is open afterwards
169 because it is possible that the log is assigned to fd 1 and gets
170 thus closes by fclose(stdout). Similar for the debugfile.
171 */
172 logclose();
173 fclose(stdin);
174 fclose(stdout);
175 fclose(stderr);
176 logopen();
178 logwrite(LOG_NOTICE, "%s %s daemon starting", PACKAGE, VERSION);
179 listen_port(do_listen ? conf.listen_addresses : NULL, queue_interval, argv);
180 }
182 #ifdef ENABLE_POP3
183 static void
184 mode_get_daemon(gint get_interval, char *argv[])
185 {
186 guint pid;
188 /* daemon */
189 if (!conf.run_as_user) {
190 if ((conf.orig_uid != 0) && (conf.orig_uid != conf.mail_uid)) {
191 fprintf(stderr, "must be root or %s for daemon.\n", DEF_MAIL_USER);
192 exit(EXIT_FAILURE);
193 }
194 }
196 /* reparent to init only if init is not already the parent */
197 if (getppid() != 1) {
198 if ((pid = fork()) > 0) {
199 exit(EXIT_SUCCESS);
200 } else if (pid < 0) {
201 logwrite(LOG_ALERT, "could not fork!");
202 exit(EXIT_FAILURE);
203 }
204 }
206 signal(SIGTERM, sigterm_handler);
207 write_pidfile(PIDFILEDIR "/masqmail-get.pid");
209 conf.do_verbose = FALSE;
211 /* closing and reopening the log ensures that it is open afterwards
212 because it is possible that the log is assigned to fd 1 and gets
213 thus closes by fclose(stdout). Similar for the debugfile.
214 */
215 logclose();
216 fclose(stdin);
217 fclose(stdout);
218 fclose(stderr);
219 logopen();
221 get_daemon(get_interval, argv);
222 }
223 #endif
225 #ifdef ENABLE_SMTP_SERVER
226 static void
227 mode_smtp()
228 {
229 /* accept smtp message on stdin */
230 /* write responses to stderr. */
232 struct sockaddr_in saddr;
233 gchar *peername = NULL;
234 int dummy = sizeof(saddr);
236 conf.do_verbose = FALSE;
238 if (!conf.run_as_user) {
239 seteuid(conf.orig_uid);
240 setegid(conf.orig_gid);
241 }
243 DEBUG(5) debugf("accepting smtp message on stdin\n");
245 if (getpeername(0, (struct sockaddr *) (&saddr), &dummy) == 0) {
246 peername = g_strdup(inet_ntoa(saddr.sin_addr));
247 } else if (errno != ENOTSOCK)
248 exit(EXIT_FAILURE);
250 smtp_in(stdin, stderr, peername, NULL);
251 }
252 #endif
254 static void
255 mode_accept(address * return_path, gchar * full_sender_name, guint accept_flags, char **addresses, int addr_cnt)
256 {
257 /* accept message on stdin */
258 accept_error err;
259 message *msg = create_message();
260 gint i;
262 if (return_path && !is_privileged_user(conf.orig_uid)) {
263 fprintf(stderr, "must be root, %s or in group %s for setting return path.\n", DEF_MAIL_USER, DEF_MAIL_GROUP);
264 exit(EXIT_FAILURE);
265 }
267 if (!conf.run_as_user) {
268 seteuid(conf.orig_uid);
269 setegid(conf.orig_gid);
270 }
272 DEBUG(5) debugf("accepting message on stdin\n");
274 msg->received_prot = PROT_LOCAL;
275 for (i = 0; i < addr_cnt; i++) {
276 if (addresses[i][0] != '|')
277 msg->rcpt_list = g_list_append(msg->rcpt_list, create_address_qualified(addresses[i], TRUE, conf.host_name));
278 else {
279 logwrite(LOG_ALERT, "no pipe allowed as recipient address: %s\n", addresses[i]);
280 exit(EXIT_FAILURE);
281 }
282 }
284 /* -f option */
285 msg->return_path = return_path;
287 /* -F option */
288 msg->full_sender_name = full_sender_name;
290 if ((err = accept_message(stdin, msg, accept_flags)) == AERR_OK) {
291 if (spool_write(msg, TRUE)) {
292 pid_t pid;
293 logwrite(LOG_NOTICE, "%s <= %s with %s\n", msg->uid, addr_string(msg->return_path), prot_names[PROT_LOCAL]);
295 if (!conf.do_queue) {
296 if ((pid = fork()) == 0) {
297 conf.do_verbose = FALSE;
298 fclose(stdin);
299 fclose(stdout);
300 fclose(stderr);
301 if (deliver(msg)) {
302 exit(EXIT_SUCCESS);
303 } else
304 exit(EXIT_FAILURE);
305 } else if (pid < 0) {
306 logwrite(LOG_ALERT, "could not fork for delivery, id = %s", msg->uid);
307 }
308 }
309 } else {
310 fprintf(stderr, "Could not write spool file\n");
311 exit(EXIT_FAILURE);
312 }
313 } else {
314 switch (err) {
315 case AERR_EOF:
316 fprintf(stderr, "unexpected EOF.\n");
317 exit(EXIT_FAILURE);
318 case AERR_NORCPT:
319 fprintf(stderr, "no recipients.\n");
320 exit(EXIT_FAILURE);
321 case AERR_SIZE:
322 fprintf(stderr, "max message size exceeded.\n");
323 exit(EXIT_FAILURE);
324 default:
325 /* should never happen: */
326 fprintf(stderr, "Unknown error (%d)\r\n", err);
327 exit(EXIT_FAILURE);
328 }
329 exit(EXIT_FAILURE);
330 }
331 }
333 int
334 main(int argc, char *argv[])
335 {
336 /* cmd line flags */
337 gchar *conf_file = CONF_FILE;
338 gint arg = 1;
339 gboolean do_get = FALSE;
340 gboolean do_get_online = FALSE;
342 gboolean do_listen = FALSE;
343 gboolean do_runq = FALSE;
344 gboolean do_runq_online = FALSE;
346 gboolean do_queue = FALSE;
348 gboolean do_verbose = FALSE;
349 gint debug_level = -1;
351 mta_mode mta_mode = MODE_ACCEPT;
353 gint queue_interval = 0;
354 gint get_interval = 0;
355 gboolean opt_t = FALSE;
356 gboolean opt_i = FALSE;
357 gboolean opt_odb = FALSE;
358 gboolean opt_oem = FALSE;
359 gboolean exit_failure = FALSE;
361 gchar *M_cmd = NULL;
363 gint exit_code = EXIT_SUCCESS;
364 gchar *route_name = NULL;
365 gchar *get_name = NULL;
366 gchar *progname;
367 gchar *f_address = NULL;
368 gchar *full_sender_name = NULL;
369 address *return_path = NULL; /* may be changed by -f option */
371 progname = get_progname(argv[0]);
373 if (strcmp(progname, "mailq") == 0) {
374 mta_mode = MODE_LIST;
375 } else if (strcmp(progname, "mailrm") == 0) {
376 mta_mode = MODE_MCMD;
377 M_cmd = "rm";
378 } else if (strcmp(progname, "runq") == 0) {
379 mta_mode = MODE_RUNQUEUE;
380 do_runq = TRUE;
381 } else if (strcmp(progname, "rmail") == 0) {
382 /* the `rmail' alias should probably be removed now
383 that we have the rmail script. But let's keep it
384 for some while for compatibility. 2010-06-19 */
385 mta_mode = MODE_ACCEPT;
386 opt_i = TRUE;
387 } else if (strcmp(progname, "smtpd") == 0 || strcmp(progname, "in.smtpd") == 0) {
388 mta_mode = MODE_SMTP;
389 }
391 /* parse cmd line */
392 while (arg < argc) {
393 gint pos = 0;
394 if ((argv[arg][pos] == '-') && (argv[arg][pos + 1] != '-')) {
395 pos++;
396 switch (argv[arg][pos++]) {
397 case 'b':
398 switch (argv[arg][pos++]) {
399 case 'd':
400 do_listen = TRUE;
401 mta_mode = MODE_DAEMON;
402 break;
403 case 'i':
404 /* ignored */
405 mta_mode = MODE_BI;
406 break;
407 case 's':
408 mta_mode = MODE_SMTP;
409 break;
410 case 'p':
411 mta_mode = MODE_LIST;
412 break;
413 case 'V':
414 mta_mode = MODE_VERSION;
415 break;
416 default:
417 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
418 exit(EXIT_FAILURE);
419 }
420 break;
421 case 'B':
422 /* we ignore this and throw the argument away */
423 get_optarg(argv, argc, &arg, &pos);
424 break;
425 case 'C':
426 if (!(conf_file = get_optarg(argv, argc, &arg, &pos))) {
427 fprintf(stderr, "-C requires a filename as argument.\n");
428 exit(EXIT_FAILURE);
429 }
430 break;
431 case 'F':
432 {
433 full_sender_name = get_optarg(argv, argc, &arg, &pos);
434 if (!full_sender_name) {
435 fprintf(stderr, "-F requires a name as an argument\n");
436 exit(EXIT_FAILURE);
437 }
438 }
439 break;
440 case 'd':
441 if (getuid() == 0) {
442 char *lvl = get_optarg(argv, argc, &arg, &pos);
443 if (lvl)
444 debug_level = atoi(lvl);
445 else {
446 fprintf(stderr, "-d requires a number as an argument.\n");
447 exit(EXIT_FAILURE);
448 }
449 } else {
450 fprintf(stderr, "only root may set the debug level.\n");
451 exit(EXIT_FAILURE);
452 }
453 break;
454 case 'f':
455 /* set return path */
456 {
457 gchar *address;
458 address = get_optarg(argv, argc, &arg, &pos);
459 if (address) {
460 f_address = g_strdup(address);
461 } else {
462 fprintf(stderr, "-f requires an address as an argument\n");
463 exit(EXIT_FAILURE);
464 }
465 }
466 break;
467 case 'g':
468 do_get = TRUE;
469 if (!mta_mode)
470 mta_mode = MODE_NONE; /* to prevent default MODE_ACCEPT */
471 if (argv[arg][pos] == 'o') {
472 pos++;
473 do_get_online = TRUE;
474 /* can be NULL, then we use online detection method */
475 route_name = get_optarg(argv, argc, &arg, &pos);
477 if (route_name != NULL) {
478 if (isdigit(route_name[0])) {
479 get_interval = time_interval(route_name, &pos);
480 route_name = get_optarg(argv, argc, &arg, &pos);
481 mta_mode = MODE_GET_DAEMON;
482 do_get = FALSE;
483 }
484 }
485 } else {
486 if ((optarg = get_optarg(argv, argc, &arg, &pos))) {
487 get_name = get_optarg(argv, argc, &arg, &pos);
488 }
489 }
490 break;
491 case 'i':
492 if (argv[arg][pos] == 0) {
493 opt_i = TRUE;
494 exit_failure = FALSE; /* may override -oem */
495 } else {
496 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
497 exit(EXIT_FAILURE);
498 }
499 break;
500 case 'M':
501 {
502 mta_mode = MODE_MCMD;
503 M_cmd = g_strdup(&(argv[arg][pos]));
504 }
505 break;
506 case 'o':
507 switch (argv[arg][pos++]) {
508 case 'e':
509 if (argv[arg][pos++] == 'm') /* -oem */
510 if (!opt_i)
511 exit_failure = TRUE;
512 opt_oem = TRUE;
513 break;
514 case 'd':
515 if (argv[arg][pos] == 'b') /* -odb */
516 opt_odb = TRUE;
517 else if (argv[arg][pos] == 'q') /* -odq */
518 do_queue = TRUE;
519 break;
520 case 'i':
521 opt_i = TRUE;
522 exit_failure = FALSE; /* may override -oem */
523 break;
524 }
525 break;
527 case 'q':
528 {
529 gchar *optarg;
531 do_runq = TRUE;
532 mta_mode = MODE_RUNQUEUE;
533 if (argv[arg][pos] == 'o') {
534 pos++;
535 do_runq = FALSE;
536 do_runq_online = TRUE;
537 /* can be NULL, then we use online detection method */
538 route_name = get_optarg(argv, argc, &arg, &pos);
539 } else
540 if ((optarg = get_optarg(argv, argc, &arg, &pos))) {
541 mta_mode = MODE_DAEMON;
542 queue_interval = time_interval(optarg, &pos);
543 }
544 }
545 break;
546 case 't':
547 if (argv[arg][pos] == 0) {
548 opt_t = TRUE;
549 } else {
550 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
551 exit(EXIT_FAILURE);
552 }
553 break;
554 case 'v':
555 do_verbose = TRUE;
556 break;
557 default:
558 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
559 exit(EXIT_FAILURE);
560 }
561 } else {
562 if (argv[arg][pos + 1] == '-') {
563 if (argv[arg][pos + 2] != '\0') {
564 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
565 exit(EXIT_FAILURE);
566 }
567 arg++;
568 }
569 break;
570 }
571 arg++;
572 }
574 if (mta_mode == MODE_VERSION) {
575 gchar *with_resolver = "";
576 gchar *with_smtp_server = "";
577 gchar *with_pop3 = "";
578 gchar *with_auth = "";
579 gchar *with_maildir = "";
580 gchar *with_ident = "";
582 #ifdef ENABLE_RESOLVER
583 with_resolver = " +resolver";
584 #endif
585 #ifdef ENABLE_SMTP_SERVER
586 with_smtp_server = " +smtp-server";
587 #endif
588 #ifdef ENABLE_POP3
589 with_pop3 = " +pop3";
590 #endif
591 #ifdef ENABLE_AUTH
592 with_auth = " +auth";
593 #endif
594 #ifdef ENABLE_MAILDIR
595 with_maildir = " +maildir";
596 #endif
597 #ifdef ENABLE_IDENT
598 with_ident = " +ident";
599 #endif
601 printf("%s %s%s%s%s%s%s%s\n", PACKAGE, VERSION, with_resolver, with_smtp_server,
602 with_pop3, with_auth, with_maildir, with_ident);
604 exit(EXIT_SUCCESS);
605 }
607 /* initialize random generator */
608 srand(time(NULL));
609 /* ignore SIGPIPE signal */
610 signal(SIGPIPE, SIG_IGN);
612 /* close all possibly open file descriptors, except std{in,out,err} */
613 {
614 int i, max_fd = sysconf(_SC_OPEN_MAX);
616 if (max_fd <= 0)
617 max_fd = 64;
618 for (i = 3; i < max_fd; i++)
619 close(i);
620 }
622 init_conf();
624 /* if we are not privileged, and the config file was changed we
625 implicetely set the the run_as_user flag and give up all
626 privileges.
628 So it is possible for a user to run his own daemon without
629 breaking security.
630 */
631 if (strcmp(conf_file, CONF_FILE) != 0) {
632 if (conf.orig_uid != 0) {
633 conf.run_as_user = TRUE;
634 seteuid(conf.orig_uid);
635 setegid(conf.orig_gid);
636 setuid(conf.orig_uid);
637 setgid(conf.orig_gid);
638 }
639 }
641 conf.log_dir = LOG_DIR;
642 logopen();
643 if (!read_conf(conf_file)) {
644 logwrite(LOG_ALERT, "SHUTTING DOWN due to problems reading config\n");
645 exit(5);
646 }
647 logclose();
649 if (do_queue)
650 conf.do_queue = TRUE;
651 if (do_verbose)
652 conf.do_verbose = TRUE;
653 if (debug_level >= 0) /* if >= 0, it was given by argument */
654 conf.debug_level = debug_level;
656 /* It appears that changing to / ensures that we are never in
657 a directory which we cannot access. This situation could be
658 possible after changing identity.
659 Maybe we should only change to / if we not run as user, to
660 allow relative paths for log files in test setups for
661 instance.
662 */
663 chdir("/");
665 if (!conf.run_as_user) {
666 if (setgid(0) != 0) {
667 fprintf(stderr, "could not set gid to 0. Is the setuid bit set? : %s\n", strerror(errno));
668 exit(EXIT_FAILURE);
669 }
670 if (setuid(0) != 0) {
671 fprintf(stderr, "could not gain root privileges. Is the setuid bit set? : %s\n", strerror(errno));
672 exit(EXIT_FAILURE);
673 }
674 }
676 if (!logopen()) {
677 fprintf(stderr, "could not open log file\n");
678 exit(EXIT_FAILURE);
679 }
681 DEBUG(1) debugf("masqmail %s starting\n", VERSION);
683 DEBUG(5) {
684 gchar **str = argv;
685 debugf("args: \n");
686 while (*str) {
687 debugf("%s \n", *str);
688 str++;
689 }
690 }
691 DEBUG(5) debugf("queue_interval = %d\n", queue_interval);
693 if (f_address) {
694 return_path = create_address_qualified(f_address, TRUE, conf.host_name);
695 g_free(f_address);
696 if (!return_path) {
697 fprintf(stderr, "invalid RFC821 address: %s\n", f_address);
698 exit(EXIT_FAILURE);
699 }
700 }
702 if (do_get) {
703 #ifdef ENABLE_POP3
704 if ((mta_mode == MODE_NONE) || (mta_mode == MODE_RUNQUEUE)) {
705 set_identity(conf.orig_uid, "getting mail");
706 if (do_get_online) {
707 if (route_name != NULL) {
708 conf.online_detect = g_strdup("argument");
709 set_online_name(route_name);
710 }
711 get_online();
712 } else {
713 if (get_name)
714 get_from_name(get_name);
715 else
716 get_all();
717 }
718 } else {
719 logwrite(LOG_ALERT, "get (-g) only allowed alone or together with queue run (-q)\n");
720 }
721 #else
722 fprintf(stderr, "get (pop) support not compiled in\n");
723 #endif
724 }
726 switch (mta_mode) {
727 case MODE_DAEMON:
728 mode_daemon(do_listen, queue_interval, argv);
729 break;
730 case MODE_RUNQUEUE:
731 {
732 /* queue runs */
733 set_identity(conf.orig_uid, "queue run");
735 if (do_runq)
736 exit_code = queue_run() ? EXIT_SUCCESS : EXIT_FAILURE;
738 if (do_runq_online) {
739 if (route_name != NULL) {
740 conf.online_detect = g_strdup("argument");
741 set_online_name(route_name);
742 }
743 exit_code =
744 queue_run_online() ? EXIT_SUCCESS : EXIT_FAILURE;
745 }
746 }
747 break;
748 case MODE_GET_DAEMON:
749 #ifdef ENABLE_POP3
750 if (route_name != NULL) {
751 conf.online_detect = g_strdup("argument");
752 set_online_name(route_name);
753 }
754 mode_get_daemon(get_interval, argv);
755 #endif
756 break;
758 case MODE_SMTP:
759 #ifdef ENABLE_SMTP_SERVER
760 mode_smtp();
761 #else
762 fprintf(stderr, "smtp server support not compiled in\n");
763 #endif
764 break;
766 case MODE_LIST:
767 queue_list();
768 break;
770 case MODE_BI:
771 exit(EXIT_SUCCESS);
772 break; /* well... */
774 case MODE_MCMD:
775 if (strcmp(M_cmd, "rm") == 0) {
776 gboolean ok = FALSE;
778 set_euidgid(conf.mail_uid, conf.mail_gid, NULL, NULL);
780 if (is_privileged_user(conf.orig_uid)) {
781 for (; arg < argc; arg++) {
782 if (queue_delete(argv[arg]))
783 ok = TRUE;
784 }
785 } else {
786 struct passwd *pw = getpwuid(conf.orig_uid);
787 if (pw) {
788 for (; arg < argc; arg++) {
789 message *msg = msg_spool_read(argv[arg], FALSE);
790 #ifdef ENABLE_IDENT
791 if (((msg->received_host == NULL) && (msg->received_prot == PROT_LOCAL))
792 || is_in_netlist(msg->received_host, conf.ident_trusted_nets)) {
793 #else
794 if ((msg->received_host == NULL) && (msg->received_prot == PROT_LOCAL)) {
795 #endif
796 if (msg->ident) {
797 if (strcmp(pw->pw_name, msg->ident) == 0) {
798 if (queue_delete(argv[arg]))
799 ok = TRUE;
800 } else {
801 fprintf(stderr, "you do not own message id %s\n", argv[arg]);
802 }
803 } else
804 fprintf(stderr, "message %s does not have an ident.\n", argv[arg]);
805 } else {
806 fprintf(stderr, "message %s was not received locally or from a trusted network.\n", argv[arg]);
807 }
808 }
809 } else {
810 fprintf(stderr, "could not find a passwd entry for uid %d: %s\n", conf.orig_uid, strerror(errno));
811 }
812 }
813 exit(ok ? EXIT_SUCCESS : EXIT_FAILURE);
814 } else {
815 fprintf(stderr, "unknown command %s\n", M_cmd);
816 exit(EXIT_FAILURE);
817 }
818 break;
820 case MODE_ACCEPT:
821 {
822 guint accept_flags = (opt_t ? ACC_DEL_RCPTS | ACC_RCPT_FROM_HEAD : 0)
823 | (opt_i ? ACC_DOT_IGNORE : ACC_NODOT_RELAX);
824 mode_accept(return_path, full_sender_name, accept_flags, &(argv[arg]), argc - arg);
825 exit(exit_failure ? EXIT_FAILURE : EXIT_SUCCESS);
826 }
827 break;
828 case MODE_NONE:
829 break;
830 default:
831 fprintf(stderr, "unknown mode: %d\n", mta_mode);
832 break;
833 }
835 logclose();
837 exit(exit_code);
838 }