masqmail-0.2
view src/masqmail.c @ 95:e01fed4846e4
masqmail's homepage moved prog.marmaro.de/masqmail -> marmaro.de/prog/masqmail
| author | meillo@marmaro.de |
|---|---|
| date | Mon, 21 Jun 2010 10:32:24 +0200 |
| parents | 085d6cd44462 |
| children | b76080154aec |
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 listen_port(do_listen ? conf.listen_addresses : NULL, queue_interval, argv);
179 }
181 #ifdef ENABLE_POP3
182 static void
183 mode_get_daemon(gint get_interval, char *argv[])
184 {
185 guint pid;
187 /* daemon */
188 if (!conf.run_as_user) {
189 if ((conf.orig_uid != 0) && (conf.orig_uid != conf.mail_uid)) {
190 fprintf(stderr, "must be root or %s for daemon.\n", DEF_MAIL_USER);
191 exit(EXIT_FAILURE);
192 }
193 }
195 /* reparent to init only if init is not already the parent */
196 if (getppid() != 1) {
197 if ((pid = fork()) > 0) {
198 exit(EXIT_SUCCESS);
199 } else if (pid < 0) {
200 logwrite(LOG_ALERT, "could not fork!");
201 exit(EXIT_FAILURE);
202 }
203 }
205 signal(SIGTERM, sigterm_handler);
206 write_pidfile(PIDFILEDIR "/masqmail-get.pid");
208 conf.do_verbose = FALSE;
210 /* closing and reopening the log ensures that it is open afterwards
211 because it is possible that the log is assigned to fd 1 and gets
212 thus closes by fclose(stdout). Similar for the debugfile.
213 */
214 logclose();
215 fclose(stdin);
216 fclose(stdout);
217 fclose(stderr);
218 logopen();
220 get_daemon(get_interval, argv);
221 }
222 #endif
224 #ifdef ENABLE_SMTP_SERVER
225 static void
226 mode_smtp()
227 {
228 /* accept smtp message on stdin */
229 /* write responses to stderr. */
231 struct sockaddr_in saddr;
232 gchar *peername = NULL;
233 int dummy = sizeof(saddr);
235 conf.do_verbose = FALSE;
237 if (!conf.run_as_user) {
238 seteuid(conf.orig_uid);
239 setegid(conf.orig_gid);
240 }
242 DEBUG(5) debugf("accepting smtp message on stdin\n");
244 if (getpeername(0, (struct sockaddr *) (&saddr), &dummy) == 0) {
245 peername = g_strdup(inet_ntoa(saddr.sin_addr));
246 } else if (errno != ENOTSOCK)
247 exit(EXIT_FAILURE);
249 smtp_in(stdin, stderr, peername, NULL);
250 }
251 #endif
253 static void
254 mode_accept(address * return_path, gchar * full_sender_name, guint accept_flags, char **addresses, int addr_cnt)
255 {
256 /* accept message on stdin */
257 accept_error err;
258 message *msg = create_message();
259 gint i;
261 if (return_path && !is_privileged_user(conf.orig_uid)) {
262 fprintf(stderr, "must be in root, %s or in group %s for setting return path.\n", DEF_MAIL_USER, DEF_MAIL_GROUP);
263 exit(EXIT_FAILURE);
264 }
266 if (!conf.run_as_user) {
267 seteuid(conf.orig_uid);
268 setegid(conf.orig_gid);
269 }
271 DEBUG(5) debugf("accepting message on stdin\n");
273 msg->received_prot = PROT_LOCAL;
274 for (i = 0; i < addr_cnt; i++) {
275 if (addresses[i][0] != '|')
276 msg->rcpt_list = g_list_append(msg->rcpt_list, create_address_qualified(addresses[i], TRUE, conf.host_name));
277 else {
278 logwrite(LOG_ALERT, "no pipe allowed as recipient address: %s\n", addresses[i]);
279 exit(EXIT_FAILURE);
280 }
281 }
283 /* -f option */
284 msg->return_path = return_path;
286 /* -F option */
287 msg->full_sender_name = full_sender_name;
289 if ((err = accept_message(stdin, msg, accept_flags)) == AERR_OK) {
290 if (spool_write(msg, TRUE)) {
291 pid_t pid;
292 logwrite(LOG_NOTICE, "%s <= %s with %s\n", msg->uid, addr_string(msg->return_path), prot_names[PROT_LOCAL]);
294 if (!conf.do_queue) {
295 if ((pid = fork()) == 0) {
296 conf.do_verbose = FALSE;
297 fclose(stdin);
298 fclose(stdout);
299 fclose(stderr);
300 if (deliver(msg)) {
301 exit(EXIT_SUCCESS);
302 } else
303 exit(EXIT_FAILURE);
304 } else if (pid < 0) {
305 logwrite(LOG_ALERT, "could not fork for delivery, id = %s", msg->uid);
306 }
307 }
308 } else {
309 fprintf(stderr, "Could not write spool file\n");
310 exit(EXIT_FAILURE);
311 }
312 } else {
313 switch (err) {
314 case AERR_EOF:
315 fprintf(stderr, "unexpected EOF.\n");
316 exit(EXIT_FAILURE);
317 case AERR_NORCPT:
318 fprintf(stderr, "no recipients.\n");
319 exit(EXIT_FAILURE);
320 default:
321 /* should never happen: */
322 fprintf(stderr, "Unknown error (%d)\r\n", err);
323 exit(EXIT_FAILURE);
324 }
325 exit(EXIT_FAILURE);
326 }
327 }
329 int
330 main(int argc, char *argv[])
331 {
332 /* cmd line flags */
333 gchar *conf_file = CONF_FILE;
334 gint arg = 1;
335 gboolean do_get = FALSE;
336 gboolean do_get_online = FALSE;
338 gboolean do_listen = FALSE;
339 gboolean do_runq = FALSE;
340 gboolean do_runq_online = FALSE;
342 gboolean do_queue = FALSE;
344 gboolean do_verbose = FALSE;
345 gint debug_level = -1;
347 mta_mode mta_mode = MODE_ACCEPT;
349 gint queue_interval = 0;
350 gint get_interval = 0;
351 gboolean opt_t = FALSE;
352 gboolean opt_i = FALSE;
353 gboolean opt_odb = FALSE;
354 gboolean opt_oem = FALSE;
355 gboolean exit_failure = FALSE;
357 gchar *M_cmd = NULL;
359 gint exit_code = EXIT_SUCCESS;
360 gchar *route_name = NULL;
361 gchar *get_name = NULL;
362 gchar *progname;
363 gchar *f_address = NULL;
364 gchar *full_sender_name = NULL;
365 address *return_path = NULL; /* may be changed by -f option */
367 progname = get_progname(argv[0]);
369 if (strcmp(progname, "mailq") == 0) {
370 mta_mode = MODE_LIST;
371 } else if (strcmp(progname, "mailrm") == 0) {
372 mta_mode = MODE_MCMD;
373 M_cmd = "rm";
374 } else if (strcmp(progname, "runq") == 0) {
375 mta_mode = MODE_RUNQUEUE;
376 do_runq = TRUE;
377 } else if (strcmp(progname, "rmail") == 0) {
378 /* the `rmail' alias should probably be removed now
379 that we have the rmail script. But let's keep it
380 for some while for compatibility. 2010-06-19 */
381 mta_mode = MODE_ACCEPT;
382 opt_i = TRUE;
383 } else if (strcmp(progname, "smtpd") == 0 || strcmp(progname, "in.smtpd") == 0) {
384 mta_mode = MODE_SMTP;
385 }
387 /* parse cmd line */
388 while (arg < argc) {
389 gint pos = 0;
390 if ((argv[arg][pos] == '-') && (argv[arg][pos + 1] != '-')) {
391 pos++;
392 switch (argv[arg][pos++]) {
393 case 'b':
394 switch (argv[arg][pos++]) {
395 case 'd':
396 do_listen = TRUE;
397 mta_mode = MODE_DAEMON;
398 break;
399 case 'i':
400 /* ignored */
401 mta_mode = MODE_BI;
402 break;
403 case 's':
404 mta_mode = MODE_SMTP;
405 break;
406 case 'p':
407 mta_mode = MODE_LIST;
408 break;
409 case 'V':
410 mta_mode = MODE_VERSION;
411 break;
412 default:
413 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
414 exit(EXIT_FAILURE);
415 }
416 break;
417 case 'B':
418 /* we ignore this and throw the argument away */
419 get_optarg(argv, argc, &arg, &pos);
420 break;
421 case 'C':
422 if (!(conf_file = get_optarg(argv, argc, &arg, &pos))) {
423 fprintf(stderr, "-C requires a filename as argument.\n");
424 exit(EXIT_FAILURE);
425 }
426 break;
427 case 'F':
428 {
429 full_sender_name = get_optarg(argv, argc, &arg, &pos);
430 if (!full_sender_name) {
431 fprintf(stderr, "-F requires a name as an argument\n");
432 exit(EXIT_FAILURE);
433 }
434 }
435 break;
436 case 'd':
437 if (getuid() == 0) {
438 char *lvl = get_optarg(argv, argc, &arg, &pos);
439 if (lvl)
440 debug_level = atoi(lvl);
441 else {
442 fprintf(stderr, "-d requires a number as an argument.\n");
443 exit(EXIT_FAILURE);
444 }
445 } else {
446 fprintf(stderr, "only root may set the debug level.\n");
447 exit(EXIT_FAILURE);
448 }
449 break;
450 case 'f':
451 /* set return path */
452 {
453 gchar *address;
454 address = get_optarg(argv, argc, &arg, &pos);
455 if (address) {
456 f_address = g_strdup(address);
457 } else {
458 fprintf(stderr, "-f requires an address as an argument\n");
459 exit(EXIT_FAILURE);
460 }
461 }
462 break;
463 case 'g':
464 do_get = TRUE;
465 if (!mta_mode)
466 mta_mode = MODE_NONE; /* to prevent default MODE_ACCEPT */
467 if (argv[arg][pos] == 'o') {
468 pos++;
469 do_get_online = TRUE;
470 /* can be NULL, then we use online detection method */
471 route_name = get_optarg(argv, argc, &arg, &pos);
473 if (route_name != NULL) {
474 if (isdigit(route_name[0])) {
475 get_interval = time_interval(route_name, &pos);
476 route_name = get_optarg(argv, argc, &arg, &pos);
477 mta_mode = MODE_GET_DAEMON;
478 do_get = FALSE;
479 }
480 }
481 } else {
482 if ((optarg = get_optarg(argv, argc, &arg, &pos))) {
483 get_name = get_optarg(argv, argc, &arg, &pos);
484 }
485 }
486 break;
487 case 'i':
488 if (argv[arg][pos] == 0) {
489 opt_i = TRUE;
490 exit_failure = FALSE; /* may override -oem */
491 } else {
492 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
493 exit(EXIT_FAILURE);
494 }
495 break;
496 case 'M':
497 {
498 mta_mode = MODE_MCMD;
499 M_cmd = g_strdup(&(argv[arg][pos]));
500 }
501 break;
502 case 'o':
503 switch (argv[arg][pos++]) {
504 case 'e':
505 if (argv[arg][pos++] == 'm') /* -oem */
506 if (!opt_i)
507 exit_failure = TRUE;
508 opt_oem = TRUE;
509 break;
510 case 'd':
511 if (argv[arg][pos] == 'b') /* -odb */
512 opt_odb = TRUE;
513 else if (argv[arg][pos] == 'q') /* -odq */
514 do_queue = TRUE;
515 break;
516 case 'i':
517 opt_i = TRUE;
518 exit_failure = FALSE; /* may override -oem */
519 break;
520 }
521 break;
523 case 'q':
524 {
525 gchar *optarg;
527 do_runq = TRUE;
528 mta_mode = MODE_RUNQUEUE;
529 if (argv[arg][pos] == 'o') {
530 pos++;
531 do_runq = FALSE;
532 do_runq_online = TRUE;
533 /* can be NULL, then we use online detection method */
534 route_name = get_optarg(argv, argc, &arg, &pos);
535 } else
536 if ((optarg = get_optarg(argv, argc, &arg, &pos))) {
537 mta_mode = MODE_DAEMON;
538 queue_interval = time_interval(optarg, &pos);
539 }
540 }
541 break;
542 case 't':
543 if (argv[arg][pos] == 0) {
544 opt_t = TRUE;
545 } else {
546 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
547 exit(EXIT_FAILURE);
548 }
549 break;
550 case 'v':
551 do_verbose = TRUE;
552 break;
553 default:
554 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
555 exit(EXIT_FAILURE);
556 }
557 } else {
558 if (argv[arg][pos + 1] == '-') {
559 if (argv[arg][pos + 2] != '\0') {
560 fprintf(stderr, "unrecognized option '%s'\n", argv[arg]);
561 exit(EXIT_FAILURE);
562 }
563 arg++;
564 }
565 break;
566 }
567 arg++;
568 }
570 if (mta_mode == MODE_VERSION) {
571 gchar *with_resolver = "";
572 gchar *with_smtp_server = "";
573 gchar *with_pop3 = "";
574 gchar *with_auth = "";
575 gchar *with_maildir = "";
576 gchar *with_ident = "";
577 gchar *with_mserver = "";
579 #ifdef ENABLE_RESOLVER
580 with_resolver = " +resolver";
581 #endif
582 #ifdef ENABLE_SMTP_SERVER
583 with_smtp_server = " +smtp-server";
584 #endif
585 #ifdef ENABLE_POP3
586 with_pop3 = " +pop3";
587 #endif
588 #ifdef ENABLE_AUTH
589 with_auth = " +auth";
590 #endif
591 #ifdef ENABLE_MAILDIR
592 with_maildir = " +maildir";
593 #endif
594 #ifdef ENABLE_IDENT
595 with_ident = " +ident";
596 #endif
597 #ifdef ENABLE_MSERVER
598 with_mserver = " +mserver";
599 #endif
601 printf("%s %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, with_mserver);
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 read_conf(conf_file);
643 if (do_queue)
644 conf.do_queue = TRUE;
645 if (do_verbose)
646 conf.do_verbose = TRUE;
647 if (debug_level >= 0) /* if >= 0, it was given by argument */
648 conf.debug_level = debug_level;
650 /* It appears that changing to / ensures that we are never in
651 a directory which we cannot access. This situation could be
652 possible after changing identity.
653 Maybe we should only change to / if we not run as user, to
654 allow relative paths for log files in test setups for
655 instance.
656 */
657 chdir("/");
659 if (!conf.run_as_user) {
660 if (setgid(0) != 0) {
661 fprintf(stderr, "could not set gid to 0. Is the setuid bit set? : %s\n", strerror(errno));
662 exit(EXIT_FAILURE);
663 }
664 if (setuid(0) != 0) {
665 fprintf(stderr, "could not gain root privileges. Is the setuid bit set? : %s\n", strerror(errno));
666 exit(EXIT_FAILURE);
667 }
668 }
670 if (!logopen()) {
671 fprintf(stderr, "could not open log file\n");
672 exit(EXIT_FAILURE);
673 }
675 DEBUG(1) debugf("masqmail %s starting\n", VERSION);
677 DEBUG(5) {
678 gchar **str = argv;
679 debugf("args: \n");
680 while (*str) {
681 debugf("%s \n", *str);
682 str++;
683 }
684 }
685 DEBUG(5) debugf("queue_interval = %d\n", queue_interval);
687 if (f_address) {
688 return_path = create_address_qualified(f_address, TRUE, conf.host_name);
689 g_free(f_address);
690 if (!return_path) {
691 fprintf(stderr, "invalid RFC821 address: %s\n", f_address);
692 exit(EXIT_FAILURE);
693 }
694 }
696 if (do_get) {
697 #ifdef ENABLE_POP3
698 if ((mta_mode == MODE_NONE) || (mta_mode == MODE_RUNQUEUE)) {
699 set_identity(conf.orig_uid, "getting mail");
700 if (do_get_online) {
701 if (route_name != NULL) {
702 conf.online_detect = g_strdup("argument");
703 set_online_name(route_name);
704 }
705 get_online();
706 } else {
707 if (get_name)
708 get_from_name(get_name);
709 else
710 get_all();
711 }
712 } else {
713 logwrite(LOG_ALERT, "get (-g) only allowed alone or together with queue run (-q)\n");
714 }
715 #else
716 fprintf(stderr, "get (pop) support not compiled in\n");
717 #endif
718 }
720 switch (mta_mode) {
721 case MODE_DAEMON:
722 mode_daemon(do_listen, queue_interval, argv);
723 break;
724 case MODE_RUNQUEUE:
725 {
726 /* queue runs */
727 set_identity(conf.orig_uid, "queue run");
729 if (do_runq)
730 exit_code = queue_run() ? EXIT_SUCCESS : EXIT_FAILURE;
732 if (do_runq_online) {
733 if (route_name != NULL) {
734 conf.online_detect = g_strdup("argument");
735 set_online_name(route_name);
736 }
737 exit_code =
738 queue_run_online() ? EXIT_SUCCESS : EXIT_FAILURE;
739 }
740 }
741 break;
742 case MODE_GET_DAEMON:
743 #ifdef ENABLE_POP3
744 if (route_name != NULL) {
745 conf.online_detect = g_strdup("argument");
746 set_online_name(route_name);
747 }
748 mode_get_daemon(get_interval, argv);
749 #endif
750 break;
752 case MODE_SMTP:
753 #ifdef ENABLE_SMTP_SERVER
754 mode_smtp();
755 #else
756 fprintf(stderr, "smtp server support not compiled in\n");
757 #endif
758 break;
760 case MODE_LIST:
761 queue_list();
762 break;
764 case MODE_BI:
765 exit(EXIT_SUCCESS);
766 break; /* well... */
768 case MODE_MCMD:
769 if (strcmp(M_cmd, "rm") == 0) {
770 gboolean ok = FALSE;
772 set_euidgid(conf.mail_uid, conf.mail_gid, NULL, NULL);
774 if (is_privileged_user(conf.orig_uid)) {
775 for (; arg < argc; arg++) {
776 if (queue_delete(argv[arg]))
777 ok = TRUE;
778 }
779 } else {
780 struct passwd *pw = getpwuid(conf.orig_uid);
781 if (pw) {
782 for (; arg < argc; arg++) {
783 message *msg = msg_spool_read(argv[arg], FALSE);
784 #ifdef ENABLE_IDENT
785 if (((msg->received_host == NULL) && (msg->received_prot == PROT_LOCAL))
786 || is_in_netlist(msg->received_host, conf.ident_trusted_nets)) {
787 #else
788 if ((msg->received_host == NULL) && (msg->received_prot == PROT_LOCAL)) {
789 #endif
790 if (msg->ident) {
791 if (strcmp(pw->pw_name, msg->ident) == 0) {
792 if (queue_delete(argv[arg]))
793 ok = TRUE;
794 } else {
795 fprintf(stderr, "you do not own message id %s\n", argv[arg]);
796 }
797 } else
798 fprintf(stderr, "message %s does not have an ident.\n", argv[arg]);
799 } else {
800 fprintf(stderr, "message %s was not received locally or from a trusted network.\n", argv[arg]);
801 }
802 }
803 } else {
804 fprintf(stderr, "could not find a passwd entry for uid %d: %s\n", conf.orig_uid, strerror(errno));
805 }
806 }
807 exit(ok ? EXIT_SUCCESS : EXIT_FAILURE);
808 } else {
809 fprintf(stderr, "unknown command %s\n", M_cmd);
810 exit(EXIT_FAILURE);
811 }
812 break;
814 case MODE_ACCEPT:
815 {
816 guint accept_flags = (opt_t ? ACC_DEL_RCPTS | ACC_DEL_BCC | ACC_RCPT_FROM_HEAD : ACC_HEAD_FROM_RCPT)
817 | (opt_i ? ACC_NODOT_TERM : ACC_NODOT_RELAX);
818 mode_accept(return_path, full_sender_name, accept_flags, &(argv[arg]), argc - arg);
819 exit(exit_failure ? EXIT_FAILURE : EXIT_SUCCESS);
820 }
821 break;
822 case MODE_NONE:
823 break;
824 default:
825 fprintf(stderr, "unknown mode: %d\n", mta_mode);
826 break;
827 }
829 logclose();
831 exit(exit_code);
832 }