2 * fetchmail.c -- main driver module for fetchmail
4 * For license terms, see the file COPYING in this directory.
9 #if defined(STDC_HEADERS)
12 #if defined(HAVE_UNISTD_H)
18 #if defined(HAVE_SYSLOG)
26 #include <sys/types.h>
29 #include <sys/resource.h>
30 #endif /* HAVE_SETRLIMIT */
31 #include <sys/utsname.h>
33 #include "fetchmail.h"
41 #define ENETUNREACH 128 /* Interactive doesn't know this */
42 #endif /* ENETUNREACH */
44 /* prototypes for internal functions */
45 static int load_params(int, char **, int);
46 static void dump_params (struct runctl *runp, struct query *, flag implicit);
47 static int query_host(struct query *);
49 /* controls the detail level of status/progress messages written to stderr */
50 int outlevel; /* see the O_.* constants above */
52 /* miscellaneous global controls */
53 struct runctl run; /* global controls for this run */
54 flag nodetach; /* if TRUE, don't detach daemon process */
55 flag quitmode; /* if --quit was set */
56 flag check_only; /* if --probe was set */
57 flag versioninfo; /* emit only version info */
58 char *user; /* the name of the invoking user */
59 char *home; /* invoking user's home directory */
60 char *fmhome; /* fetchmail's home directory */
61 char *program_name; /* the name to prefix error messages with */
62 flag configdump; /* dump control blocks for configurator */
63 char *fetchmailhost; /* either `localhost' or the host's FQDN */
68 #endif /* NET_SECURITY */
70 static int querystatus; /* status of query */
71 static int successes; /* count number of successful polls */
72 static int activecount; /* count number of active entries */
73 static struct runctl cmd_run; /* global options set from command line */
74 static time_t parsetime; /* time of last parse */
76 static RETSIGTYPE terminate_run(int);
77 static RETSIGTYPE terminate_poll(int);
79 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
80 /* drop SGID kmem privileage until we need it */
81 static void dropprivs(void)
91 if (gr && !strcmp(gr->gr_name, "kmem"))
93 extern void interface_set_gids(gid_t egid, gid_t rgid);
94 interface_set_gids(egid, rgid);
100 #if defined(HAVE_SETLOCALE) && defined(ENABLE_NLS) && defined(HAVE_STRFTIME)
102 static char *timestamp (void)
108 setlocale (LC_TIME, "");
109 strftime (buf, sizeof (buf), "%c", localtime(&now));
110 setlocale (LC_TIME, "C");
114 #define timestamp rfc822timestamp
117 static RETSIGTYPE donothing(int sig)
119 extern volatile int lastsig; /* declared in idle.c */
120 set_signal_handler(sig, donothing);
124 int main(int argc, char **argv)
127 int parsestatus, implicitmode = FALSE;
129 netrc_entry *netrc_list;
130 char *netrc_file, *tmpbuf;
134 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
138 envquery(argc, argv);
140 setlocale (LC_ALL, "");
141 bindtextdomain(PACKAGE, LOCALEDIR);
146 * Note: because we can't initialize reporting before we know whether
147 * syslog is supposed to be on, this message will go to stdout and
148 * be lost when running in background.
150 if (outlevel >= O_VERBOSE)
154 report(stdout, GT_("fetchmail: invoked with"));
155 for (i = 0; i < argc; i++)
156 report(stdout, " %s", argv[i]);
157 report(stdout, "\n");
160 #define IDFILE_NAME ".fetchids"
161 run.idfile = prependdir (IDFILE_NAME, fmhome);
166 * We used to arrange for the lock to be removed on exit close
167 * to where the lock was asserted. Now we need to do it here, because
168 * we might have re-executed in background with an existing lock
169 * as the result of a changed rcfile (see the code near the execvp(3)
170 * call near the beginning of the polling loop for details). We want
171 * to be sure the lock gets nuked on any error exit, basically.
176 /* save the current directory */
177 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
178 report(stderr, GT_("could not get current working directory\n"));
183 if ((parsestatus = parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
188 printf(GT_("This is fetchmail release %s"), VERSION);
191 #endif /* POP2_ENABLE */
194 #endif /* POP3_ENABLE */
197 #endif /* IMAP_ENABLE */
203 #endif /* RPA_ENABLE */
206 #endif /* NTLM_ENABLE */
209 #endif /* SDPS_ENABLE */
212 #endif /* ETRN_ENABLE */
215 #endif /* ODMR_ENABLE */
221 #endif /* OPIE_ENABLE */
224 #endif /* INET6_ENABLE */
227 #endif /* NET_SECURITY */
230 #endif /* HAVE_SOCKS */
233 #endif /* ENABLE_NLS */
235 fputs("Fallback MDA: ", stdout);
237 fputs(FALLBACK_MDA, stdout);
239 fputs("(none)", stdout);
244 /* this is an attempt to help remote debugging */
248 /* avoid parsing the config file if all we're doing is killing a daemon */
249 if (!(quitmode && argc == 2))
250 implicitmode = load_params(argc, argv, optind);
252 #if defined(HAVE_SYSLOG)
253 /* logging should be set up early in case we were restarted from exec */
256 #if defined(LOG_MAIL)
257 openlog(program_name, LOG_PID, LOG_MAIL);
259 /* Assume BSD4.2 openlog with two arguments */
260 openlog(program_name, LOG_PID);
266 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
268 /* construct the lockfile */
271 #ifdef HAVE_SETRLIMIT
273 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
274 * Core dumps could otherwise contain passwords to be scavenged by a
277 if (outlevel < O_VERBOSE || run.poll_interval > 0)
279 struct rlimit corelimit;
280 corelimit.rlim_cur = 0;
281 corelimit.rlim_max = 0;
282 setrlimit(RLIMIT_CORE, &corelimit);
284 #endif /* HAVE_SETRLIMIT */
286 #define NETRC_FILE ".netrc"
287 /* parse the ~/.netrc file (if present) for future password lookups. */
288 netrc_file = prependdir (NETRC_FILE, home);
289 netrc_list = parse_netrc(netrc_file);
292 /* pick up passwords where we can */
293 for (ctl = querylist; ctl; ctl = ctl->next)
295 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
297 if (NO_PASSWORD(ctl))
298 /* Server won't care what the password is, but there
299 must be some non-null string here. */
300 ctl->password = ctl->remotename;
305 /* look up the pollname and account in the .netrc file. */
306 p = search_netrc(netrc_list,
307 ctl->server.pollname, ctl->remotename);
308 /* if we find a matching entry with a password, use it */
309 if (p && p->password)
310 ctl->password = xstrdup(p->password);
312 /* otherwise try with "via" name if there is one */
313 else if (ctl->server.via)
315 p = search_netrc(netrc_list,
316 ctl->server.via, ctl->remotename);
317 if (p && p->password)
318 ctl->password = xstrdup(p->password);
324 /* perhaps we just want to check options? */
327 int havercfile = access(rcfile, 0);
329 printf(GT_("Taking options from command line%s%s\n"),
330 havercfile ? "" : GT_(" and "),
331 havercfile ? "" : rcfile);
333 if (querylist == NULL)
335 GT_("No mailservers set up -- perhaps %s is missing?\n"),
338 dump_params(&run, querylist, implicitmode);
342 /* dump options as a Python dictionary, for configurator use */
345 dump_config(&run, querylist);
349 /* check for another fetchmail running concurrently */
352 pid = bkgd ? -pid : pid;
354 /* if no mail servers listed and nothing in background, we're done */
355 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
356 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
360 /* perhaps user asked us to kill the other fetchmail */
365 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
369 else if (getpid() == pid)
371 /* this test enables re-execing on a changed rcfile */
374 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
378 else if (kill(pid, SIGTERM) < 0)
380 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
381 bkgd ? GT_("background") : GT_("foreground"), pid);
386 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
387 bkgd ? GT_("background") : GT_("foreground"), pid);
396 /* another fetchmail is running -- wake it up or die */
402 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
405 else if (!implicitmode)
408 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
415 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
419 else if (getpid() == pid)
420 /* this test enables re-execing on a changed rcfile */
425 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
428 else if (kill(pid, SIGUSR1) == 0)
431 GT_("fetchmail: background fetchmail at %d awakened.\n"),
438 * Should never happen -- possible only if a background fetchmail
439 * croaks after the first kill probe above but before the
440 * SIGUSR1/SIGHUP transmission.
443 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
445 return(PS_UNDEFINED);
449 /* pick up interactively any passwords we need but don't have */
450 for (ctl = querylist; ctl; ctl = ctl->next)
452 if (ctl->active && !(implicitmode && ctl->server.skip)
453 && !NO_PASSWORD(ctl) && !ctl->password)
458 GT_("fetchmail: can't find a password for %s@%s.\n"),
459 ctl->remotename, ctl->server.pollname);
464 char* password_prompt = GT_("Enter password for %s@%s: ");
466 xalloca(tmpbuf, char *, strlen(password_prompt) +
467 strlen(ctl->remotename) +
468 strlen(ctl->server.pollname) + 1);
469 (void) sprintf(tmpbuf, password_prompt,
470 ctl->remotename, ctl->server.pollname);
471 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
477 * Time to initiate the SOCKS library (this is not mandatory: it just
478 * registers the correct application name for logging purpose. If you
479 * have some problem, comment out these lines).
482 SOCKSinit("fetchmail");
483 #endif /* HAVE_SOCKS */
485 /* avoid zombies from plugins */
489 * Maybe time to go to demon mode...
491 if (run.poll_interval)
494 daemonize(run.logfile, terminate_run);
495 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
498 * We'll set up a handler for these when we're sleeping,
499 * but ignore them otherwise so as not to interrupt a poll.
501 set_signal_handler(SIGUSR1, SIG_IGN);
502 if (run.poll_interval && getuid() == ROOT_UID)
503 set_signal_handler(SIGHUP, SIG_IGN);
507 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
509 if (!freopen(run.logfile, "a", stdout))
510 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
511 if (!freopen(run.logfile, "a", stderr))
512 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
520 /* beyond here we don't want more than one fetchmail running per user */
522 set_signal_handler(SIGABRT, terminate_run);
523 set_signal_handler(SIGINT, terminate_run);
524 set_signal_handler(SIGTERM, terminate_run);
525 set_signal_handler(SIGALRM, terminate_run);
526 set_signal_handler(SIGPIPE, terminate_run);
527 set_signal_handler(SIGQUIT, terminate_run);
529 /* here's the exclusion lock */
533 * Query all hosts. If there's only one, the error return will
534 * reflect the status of that transaction.
538 * Check to see if the rcfile has been touched. If so,
539 * re-exec so the file will be reread. Doing it this way
540 * avoids all the complications of trying to deallocate the
541 * in-core control structures -- and the potential memory
546 if (stat(rcfile, &rcstat) == -1)
550 GT_("couldn't time-check %s (error %d)\n"),
553 else if (rcstat.st_mtime > parsetime)
555 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
558 /* restore the startup directory */
559 if (!currentwd[0] || chdir (currentwd) == -1)
560 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
564 * Matthias Andree: Isn't this prone to introduction of
565 * "false" programs by interfering with PATH? Those
566 * path-searching execs might not be the best ideas for
569 * Rob Funk: But is there any way for someone to modify
570 * the PATH variable of a running fetchmail? I don't know
573 * Dave's change makes fetchmail restart itself in exactly
574 * the way it was started from the shell (or shell script)
575 * in the first place. If you're concerned about PATH
576 * contamination, call fetchmail initially with a full
577 * path, and use Dave's patch.
579 * Not using a -p variant of exec means that the restart
580 * will break if both (a) the user depended on PATH to
581 * call fetchmail in the first place, and (b) the system
582 * doesn't save the whole path in argv[0] if the whole
583 * path wasn't used in the initial call. (If I recall
584 * correctly, Linux saves it but many other Unices don't.)
586 execvp(argv[0], argv);
587 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
590 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
592 * This was an efficiency hack that backfired. The theory
593 * was that using TCP/IP for DNS queries would get us better
594 * reliability and shave off some per-UDP-packet costs.
595 * Unfortunately it interacted badly with diald, which effectively
596 * filters out DNS queries over TCP/IP for reasons having to do
597 * with some obscure Linux kernel problem involving bootstrapping of
598 * dynamically-addressed links. I don't understand this mess
599 * and don't want to, so it's "See ya!" to this hack.
601 sethostent(TRUE); /* use TCP/IP for mailserver queries */
602 #endif /* HAVE_RES_SEARCH */
606 for (ctl = querylist; ctl; ctl = ctl->next)
610 if (!(implicitmode && ctl->server.skip))
615 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
616 ctl->server.pollname);
620 /* check skip interval first so that it counts all polls */
621 if (run.poll_interval && ctl->server.interval)
623 if (ctl->server.poll_count++ % ctl->server.interval)
625 if (outlevel >= O_VERBOSE)
627 GT_("interval not reached, not querying %s\n"),
628 ctl->server.pollname);
633 #if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
635 * Don't do monitoring if we were woken by a signal.
636 * Note that interface_approve() does its own error logging.
638 if (!interface_approve(&ctl->server, !lastsig))
640 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
642 dofastuidl = 0; /* this is reset in the driver if required */
644 querystatus = query_host(ctl);
646 if (NUM_NONZERO(ctl->fastuidl))
647 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
649 /* leave the UIDL state alone if there have been any errors */
651 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
654 uid_discard_new_list(ctl);
656 #endif /* POP3_ENABLE */
658 if (querystatus == PS_SUCCESS)
660 else if (!check_only &&
661 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
665 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
667 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
669 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
671 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
673 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
675 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
677 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
679 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
681 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
683 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
685 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
687 report(stdout,GT_("Query status=11 (DNS)\n")); break;
689 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
691 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
693 report(stdout,GT_("Query status=%d\n"),querystatus);
697 #if (defined(linux) && !defined(INET6_ENABLE)) || defined (__FreeBSD__)
698 if (ctl->server.monitor)
701 * Allow some time for the link to quiesce. One
702 * second is usually sufficient, three is safe.
703 * Note: this delay is important - don't remove!
706 interface_note_activity(&ctl->server);
708 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
712 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
713 endhostent(); /* release TCP/IP connection to nameserver */
714 #endif /* HAVE_RES_SEARCH */
716 /* close connections cleanly */
720 * OK, we've polled. Now sleep.
722 if (run.poll_interval)
725 * Because passwords can expire, it may happen that *all*
726 * hosts are now out of the loop due to authfail
727 * conditions. If this happens daemon-mode fetchmail
728 * should softly and silently vanish away, rather than
729 * spinning uselessly.
733 for (ctl = querylist; ctl; ctl = ctl->next)
734 if (ctl->active && !(implicitmode && ctl->server.skip))
739 report(stderr, GT_("All connections are wedged. Exiting.\n"));
740 /* FIXME: someday, send notification mail */
744 if (outlevel > O_SILENT)
746 GT_("sleeping at %s\n"), timestamp());
749 * With this simple hack, we make it possible for a foreground
750 * fetchmail to wake up one in daemon mode. What we want is the
751 * side effect of interrupting any sleep that may be going on,
752 * forcing fetchmail to re-poll its hosts. The second line is
753 * for people who think all system daemons wake up on SIGHUP.
755 set_signal_handler(SIGUSR1, donothing);
756 if (getuid() != ROOT_UID)
757 set_signal_handler(SIGHUP, donothing);
760 * OK, now pause until it's time for the next poll cycle.
761 * A nonzero return indicates we received a wakeup signal;
762 * unwedge all servers in case the problem has been
765 if ((lastsig = interruptible_idle(run.poll_interval)))
767 if (outlevel > O_SILENT)
768 #ifdef SYS_SIGLIST_DECLARED
770 GT_("awakened by %s\n"), sys_siglist[lastsig]);
773 GT_("awakened by signal %d\n"), lastsig);
775 for (ctl = querylist; ctl; ctl = ctl->next)
779 if (outlevel > O_SILENT)
780 report(stdout, GT_("awakened at %s\n"), timestamp());
785 if (outlevel >= O_VERBOSE)
786 report(stdout, GT_("normal termination, status %d\n"),
787 successes ? PS_SUCCESS : querystatus);
793 else if (querystatus)
796 /* in case we interrupted before a successful fetch */
800 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
803 * If force is off, modify dstl fields only when they're empty (treat srcl
804 * as defaults). If force is on, modify each dstl field whenever scrcl
805 * is nonempty (treat srcl as an override).
807 if (force ? !!*srcl : !*dstl)
809 struct idlist *cpl = copy_str_list(*srcl);
811 append_str_list(dstl, &cpl);
815 static void optmerge(struct query *h2, struct query *h1, int force)
816 /* merge two options records */
818 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
819 list_merge(&h2->localnames, &h1->localnames, force);
820 list_merge(&h2->mailboxes, &h1->mailboxes, force);
821 list_merge(&h2->smtphunt, &h1->smtphunt, force);
822 list_merge(&h2->domainlist, &h1->domainlist, force);
823 list_merge(&h2->antispam, &h1->antispam, force);
825 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
826 FLAG_MERGE(server.via);
827 FLAG_MERGE(server.protocol);
829 FLAG_MERGE(server.service);
830 FLAG_MERGE(server.netsec);
831 #else /* INET6_ENABLE */
832 FLAG_MERGE(server.port);
833 #endif /* INET6_ENABLE */
834 FLAG_MERGE(server.interval);
835 FLAG_MERGE(server.authenticate);
836 FLAG_MERGE(server.timeout);
837 FLAG_MERGE(server.envelope);
838 FLAG_MERGE(server.envskip);
839 FLAG_MERGE(server.qvirtual);
840 FLAG_MERGE(server.skip);
841 FLAG_MERGE(server.dns);
842 FLAG_MERGE(server.checkalias);
843 FLAG_MERGE(server.uidl);
844 FLAG_MERGE(server.principal);
846 #if defined(linux) || defined(__FreeBSD__)
847 FLAG_MERGE(server.interface);
848 FLAG_MERGE(server.monitor);
849 FLAG_MERGE(server.interface_pair);
850 #endif /* linux || defined(__FreeBSD__) */
852 FLAG_MERGE(server.plugin);
853 FLAG_MERGE(server.plugout);
855 FLAG_MERGE(wildcard);
856 FLAG_MERGE(remotename);
857 FLAG_MERGE(password);
860 FLAG_MERGE(listener);
861 FLAG_MERGE(smtpaddress);
862 FLAG_MERGE(smtpname);
863 FLAG_MERGE(preconnect);
864 FLAG_MERGE(postconnect);
868 FLAG_MERGE(fetchall);
872 FLAG_MERGE(pass8bits);
873 FLAG_MERGE(dropstatus);
874 FLAG_MERGE(dropdelivered);
875 FLAG_MERGE(mimedecode);
878 FLAG_MERGE(warnings);
879 FLAG_MERGE(fetchlimit);
880 FLAG_MERGE(fetchsizelimit);
881 FLAG_MERGE(fastuidl);
882 FLAG_MERGE(batchlimit);
887 FLAG_MERGE(sslproto);
888 FLAG_MERGE(sslcertck);
889 FLAG_MERGE(sslcertpath);
890 FLAG_MERGE(sslfingerprint);
894 FLAG_MERGE(tracepolls);
895 FLAG_MERGE(properties);
899 static int load_params(int argc, char **argv, int optind)
901 int implicitmode, st;
903 struct query def_opts, *ctl;
907 run.bouncemail = TRUE;
908 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
910 memset(&def_opts, '\0', sizeof(struct query));
911 def_opts.smtp_socket = -1;
912 def_opts.smtpaddress = (char *)0;
913 def_opts.smtpname = (char *)0;
914 def_opts.server.protocol = P_AUTO;
915 def_opts.server.timeout = CLIENT_TIMEOUT;
916 def_opts.server.esmtp_name = user;
917 def_opts.warnings = WARNING_INTERVAL;
918 def_opts.remotename = user;
919 def_opts.listener = SMTP_MODE;
920 def_opts.fetchsizelimit = 100;
921 def_opts.fastuidl = 10;
923 /* get the location of rcfile */
925 p = strrchr (rcfile, '/');
926 if (p && (p - rcfile) < sizeof (rcfiledir)) {
927 *p = 0; /* replace '/' by '0' */
928 strcpy (rcfiledir, rcfile);
929 *p = '/'; /* restore '/' */
930 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
931 strcpy (rcfiledir, "/");
934 /* note the parse time, so we can pick up on modifications */
935 parsetime = 0; /* foil compiler warnings */
936 if (stat(rcfile, &rcstat) != -1)
937 parsetime = rcstat.st_mtime;
938 else if (errno != ENOENT)
939 report(stderr, GT_("couldn't time-check the run-control file\n"));
941 /* this builds the host list */
942 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
944 * FIXME: someday, send notification mail here if backgrounded.
945 * Right now, that can happen if the user changes the rcfile
946 * while the fetchmail is running in background. Do similarly
947 * for the other exit() calls in this function.
951 if ((implicitmode = (optind >= argc)))
953 for (ctl = querylist; ctl; ctl = ctl->next)
954 ctl->active = !ctl->server.skip;
957 for (; optind < argc; optind++)
959 flag predeclared = FALSE;
962 * If hostname corresponds to a host known from the rc file,
963 * simply declare it active. Otherwise synthesize a host
964 * record from command line and defaults
966 for (ctl = querylist; ctl; ctl = ctl->next)
967 if (!strcmp(ctl->server.pollname, argv[optind])
968 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
970 /* Is this correct? */
971 if (predeclared && outlevel == O_VERBOSE)
972 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
980 * Allocate and link record without copying in
981 * command-line args; we'll do that with the optmerge
984 ctl = hostalloc((struct query *)NULL);
986 ctl->server.pollname = xstrdup(argv[optind]);
988 ctl->server.lead_server = (struct hostdata *)NULL;
993 * If there's a defaults record, merge it and lose it.
995 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
997 for (ctl = querylist->next; ctl; ctl = ctl->next)
998 optmerge(ctl, querylist, FALSE);
999 querylist = querylist->next;
1002 /* don't allow a defaults record after the first */
1003 for (ctl = querylist; ctl; ctl = ctl->next)
1004 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1007 /* use localhost if we never fetch the FQDN of this host */
1008 fetchmailhost = "localhost";
1010 /* here's where we override globals */
1011 if (cmd_run.logfile)
1012 run.logfile = cmd_run.logfile;
1014 run.idfile = cmd_run.idfile;
1015 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1016 if (cmd_run.poll_interval >= 0)
1017 run.poll_interval = cmd_run.poll_interval;
1018 if (cmd_run.invisible)
1019 run.invisible = cmd_run.invisible;
1020 if (cmd_run.showdots)
1021 run.showdots = cmd_run.showdots;
1022 if (cmd_run.use_syslog)
1023 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1024 if (cmd_run.postmaster)
1025 run.postmaster = cmd_run.postmaster;
1026 if (cmd_run.bouncemail)
1027 run.bouncemail = cmd_run.bouncemail;
1029 /* check and daemon options are not compatible */
1030 if (check_only && run.poll_interval)
1031 run.poll_interval = 0;
1034 * DNS support is required for some protocols. We used to
1035 * do this unconditionally, but it made fetchmail excessively
1036 * vulnerable to misconfigured DNS setups.
1038 * If we're using ETRN or ODMR, the smtp hunt list is the
1039 * list of systems we're polling on behalf of; these have
1040 * to be fully-qualified domain names. The default for
1041 * this list should be the FQDN of localhost.
1043 * If we're using Kerberos for authentication, we need
1044 * the FQDN in order to generate capability keys.
1046 if (strcmp(fetchmailhost, "localhost") == 0)
1047 for (ctl = querylist; ctl; ctl = ctl->next)
1049 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1050 || ctl->server.authenticate == A_KERBEROS_V4
1051 || ctl->server.authenticate == A_KERBEROS_V5))
1053 fetchmailhost = host_fqdn();
1057 /* merge in wired defaults, do sanity checks and prepare internal fields */
1058 for (ctl = querylist; ctl; ctl = ctl->next)
1060 ctl->wedged = FALSE;
1062 /* merge in defaults */
1063 optmerge(ctl, &def_opts, FALSE);
1065 /* force command-line options */
1066 optmerge(ctl, &cmd_opts, TRUE);
1069 * queryname has to be set up for inactive servers too.
1070 * Otherwise the UIDL code core-dumps on startup.
1072 if (ctl->server.via)
1073 ctl->server.queryname = xstrdup(ctl->server.via);
1075 ctl->server.queryname = xstrdup(ctl->server.pollname);
1078 * We no longer do DNS lookups at startup.
1079 * This is a kluge. It enables users to edit their
1080 * configurations when DNS isn't available.
1082 ctl->server.truename = xstrdup(ctl->server.queryname);
1084 if (configdump || ctl->active )
1086 /* this code enables flags to be turned off */
1087 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1089 else if (flag == FLAG_FALSE)\
1093 DEFAULT(ctl->keep, FALSE);
1094 DEFAULT(ctl->fetchall, FALSE);
1095 DEFAULT(ctl->flush, FALSE);
1096 DEFAULT(ctl->rewrite, TRUE);
1097 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1098 DEFAULT(ctl->forcecr, FALSE);
1099 DEFAULT(ctl->pass8bits, FALSE);
1100 DEFAULT(ctl->dropstatus, FALSE);
1101 DEFAULT(ctl->dropdelivered, FALSE);
1102 DEFAULT(ctl->mimedecode, FALSE);
1103 DEFAULT(ctl->idle, FALSE);
1104 DEFAULT(ctl->server.dns, TRUE);
1105 DEFAULT(ctl->server.uidl, FALSE);
1107 DEFAULT(ctl->use_ssl, FALSE);
1108 DEFAULT(ctl->sslcertck, FALSE);
1110 DEFAULT(ctl->server.checkalias, FALSE);
1114 report(stderr, GT_("SSL support is not compiled in.\n"));
1117 #endif /* SSL_ENABLE */
1118 /* one global gets treated specially */
1119 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1123 * Make sure we have a nonempty host list to forward to.
1126 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1129 * Make sure we have a nonempty list of domains to fetch from.
1131 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1132 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1134 /* if `user' doesn't name a real local user, try to run as root */
1135 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1138 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1139 if (!ctl->localnames) /* for local delivery via SMTP */
1140 save_str_pair(&ctl->localnames, user, NULL);
1142 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1143 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1144 if (ctl->localnames && ctl->localnames->next && ctl->server.dns)
1146 ctl->server.dns = FALSE;
1147 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1149 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1151 /* if no folders were specified, set up the null one as default */
1152 if (!ctl->mailboxes)
1153 save_str(&ctl->mailboxes, (char *)NULL, 0);
1155 /* maybe user overrode timeout on command line? */
1156 if (ctl->server.timeout == -1)
1157 ctl->server.timeout = CLIENT_TIMEOUT;
1159 #ifndef INET6_ENABLE
1161 if (ctl->server.port < 0)
1163 (void) fprintf(stderr,
1164 GT_("%s configuration invalid, port number cannot be negative\n"),
1165 ctl->server.pollname);
1168 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1170 (void) fprintf(stderr,
1171 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1172 ctl->server.pollname);
1175 if (ctl->listener == LMTP_MODE)
1179 for (idp = ctl->smtphunt; idp; idp = idp->next)
1183 if (!(cp = strrchr(idp->id, '/')) ||
1184 (atoi(++cp) == SMTP_PORT))
1186 (void) fprintf(stderr,
1187 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1188 ctl->server.pollname);
1193 #endif /* !INET6_ENABLE */
1196 * "I beg to you, have mercy on the week minds like myself."
1197 * wrote Pehr Anderson. Your petition is granted.
1199 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1201 (void) fprintf(stderr,
1202 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1209 /* initialize UID handling */
1210 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1213 initialize_saved_lists(querylist, run.idfile);
1214 #endif /* POP3_ENABLE */
1217 * If the user didn't set a last-resort user to get misaddressed
1218 * multidrop mail, set an appropriate default here.
1220 if (!run.postmaster)
1222 if (getuid() != ROOT_UID) /* ordinary user */
1223 run.postmaster = user;
1225 run.postmaster = "postmaster";
1228 return(implicitmode);
1231 static RETSIGTYPE terminate_poll(int sig)
1232 /* to be executed at the end of a poll cycle */
1235 * Close all SMTP delivery sockets. For optimum performance
1236 * we'd like to hold them open til end of run, but (1) this
1237 * loses if our poll interval is longer than the MTA's inactivity
1238 * timeout, and (2) some MTAs (like smail) don't deliver after
1239 * each message, but rather queue up mail and wait to actually
1240 * deliver it until the input socket is closed.
1242 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1243 * subtle bug. If fetchmail was terminated by signal while it was
1244 * shipping message text, it would hang forever waiting for a
1245 * command acknowledge. In theory we could enable the QUIT
1246 * only outside of the message send. In practice, we don't
1247 * care. All mailservers hang up on a dropped TCP/IP connection
1252 report(stdout, GT_("terminated with signal %d\n"), sig);
1257 /* terminate all SMTP connections cleanly */
1258 for (ctl = querylist; ctl; ctl = ctl->next)
1259 if (ctl->smtp_socket != -1)
1261 /* don't send QUIT for ODMR case because we're acting
1262 as a proxy between the SMTP server and client. */
1263 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1269 * Update UID information at end of each poll, rather than at end
1270 * of run, because that way we don't lose all UIDL information since
1271 * the beginning of time if fetchmail crashes.
1274 write_saved_lists(querylist, run.idfile);
1275 #endif /* POP3_ENABLE */
1278 static RETSIGTYPE terminate_run(int sig)
1279 /* to be executed on normal or signal-induced termination */
1283 terminate_poll(sig);
1286 * Craig Metz, the RFC1938 one-time-password guy, points out:
1287 * "Remember that most kernels don't zero pages before handing them to the
1288 * next process and many kernels share pages between user and kernel space.
1289 * You'd be very surprised what you can find from a short program to do a
1290 * malloc() and then dump the contents of the pages you got. By zeroing
1291 * the secrets at end of run (earlier if you can), you make sure the next
1292 * guy can't get the password/pass phrase."
1294 * Right you are, Craig!
1296 for (ctl = querylist; ctl; ctl = ctl->next)
1298 memset(ctl->password, '\0', strlen(ctl->password));
1300 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1304 if (activecount == 0)
1307 exit(successes ? PS_SUCCESS : querystatus);
1311 * Sequence of protocols to try when autoprobing, most capable to least.
1313 static const int autoprobe[] =
1317 #endif /* IMAP_ENABLE */
1320 #endif /* POP3_ENABLE */
1323 #endif /* POP2_ENABLE */
1326 static int query_host(struct query *ctl)
1327 /* perform fetch transaction with single host */
1332 * If we're syslogging the progress messages are automatically timestamped.
1333 * Force timestamping if we're going to a logfile.
1335 if (outlevel >= O_VERBOSE)
1337 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1339 ctl->server.pollname,
1340 showproto(ctl->server.protocol),
1344 switch (ctl->server.protocol) {
1346 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1348 ctl->server.protocol = autoprobe[i];
1350 st = query_host(ctl);
1353 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1356 ctl->server.protocol = P_AUTO;
1362 report(stderr, GT_("POP2 support is not configured.\n"));
1364 #endif /* POP2_ENABLE */
1372 } while (st == PS_REPOLL);
1374 report(stderr, GT_("POP3 support is not configured.\n"));
1376 #endif /* POP3_ENABLE */
1382 } while (st == PS_REPOLL);
1384 report(stderr, GT_("IMAP support is not configured.\n"));
1386 #endif /* IMAP_ENABLE */
1390 report(stderr, GT_("ETRN support is not configured.\n"));
1393 #ifdef HAVE_GETHOSTBYNAME
1396 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1398 #endif /* HAVE_GETHOSTBYNAME */
1400 #endif /* ETRN_ENABLE */
1403 report(stderr, GT_("ODMR support is not configured.\n"));
1406 #ifdef HAVE_GETHOSTBYNAME
1409 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1411 #endif /* HAVE_GETHOSTBYNAME */
1412 #endif /* ODMR_ENABLE */
1415 report(stderr, GT_("unsupported protocol selected.\n"));
1420 * If we're syslogging the progress messages are automatically timestamped.
1421 * Force timestamping if we're going to a logfile.
1423 if (outlevel >= O_VERBOSE)
1425 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1427 ctl->server.pollname,
1428 showproto(ctl->server.protocol),
1435 static void dump_params (struct runctl *runp,
1436 struct query *querylist, flag implicit)
1437 /* display query parameters in English */
1441 if (runp->poll_interval)
1442 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1444 printf(GT_("Logfile is %s\n"), runp->logfile);
1445 if (strcmp(runp->idfile, IDFILE_NAME))
1446 printf(GT_("Idfile is %s\n"), runp->idfile);
1447 #if defined(HAVE_SYSLOG)
1448 if (runp->use_syslog)
1449 printf(GT_("Progress messages will be logged via syslog\n"));
1451 if (runp->invisible)
1452 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1454 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1455 if (runp->postmaster)
1456 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1459 if (!runp->bouncemail)
1460 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1461 else if (outlevel >= O_VERBOSE)
1462 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1464 for (ctl = querylist; ctl; ctl = ctl->next)
1466 if (!ctl->active || (implicit && ctl->server.skip))
1469 printf(GT_("Options for retrieving from %s@%s:\n"),
1470 ctl->remotename, visbuf(ctl->server.pollname));
1472 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1473 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1475 if (ctl->server.interval)
1476 printf(GT_(" Poll of this server will occur every %d intervals.\n"),
1477 ctl->server.interval);
1478 if (ctl->server.truename)
1479 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1480 if (ctl->server.skip || outlevel >= O_VERBOSE)
1481 printf(GT_(" This host %s be queried when no host is specified.\n"),
1482 ctl->server.skip ? GT_("will not") : GT_("will"));
1483 if (!NO_PASSWORD(ctl))
1486 printf(GT_(" Password will be prompted for.\n"));
1487 else if (outlevel >= O_VERBOSE)
1489 if (ctl->server.protocol == P_APOP)
1490 printf(GT_(" APOP secret = \"%s\".\n"),
1491 visbuf(ctl->password));
1492 else if (ctl->server.protocol == P_RPOP)
1493 printf(GT_(" RPOP id = \"%s\".\n"),
1494 visbuf(ctl->password));
1496 printf(GT_(" Password = \"%s\".\n"),
1497 visbuf(ctl->password));
1501 if (ctl->server.protocol == P_POP3
1503 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1504 #else /* INET6_ENABLE */
1505 && ctl->server.port == KPOP_PORT
1506 #endif /* INET6_ENABLE */
1507 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1508 ctl->server.authenticate == A_KERBEROS_V5))
1509 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1510 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1512 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1514 if (ctl->server.service)
1515 printf(GT_(" (using service %s)"), ctl->server.service);
1516 if (ctl->server.netsec)
1517 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1518 #else /* INET6_ENABLE */
1519 if (ctl->server.port)
1520 printf(GT_(" (using port %d)"), ctl->server.port);
1521 #endif /* INET6_ENABLE */
1522 else if (outlevel >= O_VERBOSE)
1523 printf(GT_(" (using default port)"));
1524 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1525 printf(GT_(" (forcing UIDL use)"));
1528 switch (ctl->server.authenticate)
1531 printf(GT_(" All available authentication methods will be tried.\n"));
1534 printf(GT_(" Password authentication will be forced.\n"));
1537 printf(GT_(" NTLM authentication will be forced.\n"));
1540 printf(GT_(" OTP authentication will be forced.\n"));
1543 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1546 printf(GT_(" GSSAPI authentication will be forced.\n"));
1549 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1552 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1555 printf(GT_(" End-to-end encryption assumed.\n"));
1558 if (ctl->server.principal != (char *) NULL)
1559 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1562 printf(GT_(" SSL encrypted sessions enabled.\n"));
1564 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1565 if (ctl->sslcertck) {
1566 printf(GT_(" SSL server certificate checking enabled.\n"));
1567 if (ctl->sslcertpath != NULL)
1568 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1570 if (ctl->sslfingerprint != NULL)
1571 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1573 if (ctl->server.timeout > 0)
1574 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1575 if (ctl->server.timeout == CLIENT_TIMEOUT)
1576 printf(GT_(" (default).\n"));
1580 if (MAILBOX_PROTOCOL(ctl))
1582 if (!ctl->mailboxes->id)
1583 printf(GT_(" Default mailbox selected.\n"));
1588 printf(GT_(" Selected mailboxes are:"));
1589 for (idp = ctl->mailboxes; idp; idp = idp->next)
1590 printf(" %s", (char *)idp->id);
1593 printf(GT_(" %s messages will be retrieved (--all %s).\n"),
1594 ctl->fetchall ? GT_("All") : GT_("Only new"),
1595 ctl->fetchall ? "on" : "off");
1596 printf(GT_(" Fetched messages %s be kept on the server (--keep %s).\n"),
1597 ctl->keep ? GT_("will") : GT_("will not"),
1598 ctl->keep ? "on" : "off");
1599 printf(GT_(" Old messages %s be flushed before message retrieval (--flush %s).\n"),
1600 ctl->flush ? GT_("will") : GT_("will not"),
1601 ctl->flush ? "on" : "off");
1602 printf(GT_(" Rewrite of server-local addresses is %s (--norewrite %s).\n"),
1603 ctl->rewrite ? GT_("enabled") : GT_("disabled"),
1604 ctl->rewrite ? "off" : "on");
1605 printf(GT_(" Carriage-return stripping is %s (stripcr %s).\n"),
1606 ctl->stripcr ? GT_("enabled") : GT_("disabled"),
1607 ctl->stripcr ? "on" : "off");
1608 printf(GT_(" Carriage-return forcing is %s (forcecr %s).\n"),
1609 ctl->forcecr ? GT_("enabled") : GT_("disabled"),
1610 ctl->forcecr ? "on" : "off");
1611 printf(GT_(" Interpretation of Content-Transfer-Encoding is %s (pass8bits %s).\n"),
1612 ctl->pass8bits ? GT_("disabled") : GT_("enabled"),
1613 ctl->pass8bits ? "on" : "off");
1614 printf(GT_(" MIME decoding is %s (mimedecode %s).\n"),
1615 ctl->mimedecode ? GT_("enabled") : GT_("disabled"),
1616 ctl->mimedecode ? "on" : "off");
1617 printf(GT_(" Idle after poll is %s (idle %s).\n"),
1618 ctl->idle ? GT_("enabled") : GT_("disabled"),
1619 ctl->idle ? "on" : "off");
1620 printf(GT_(" Nonempty Status lines will be %s (dropstatus %s)\n"),
1621 ctl->dropstatus ? GT_("discarded") : GT_("kept"),
1622 ctl->dropstatus ? "on" : "off");
1623 printf(GT_(" Delivered-To lines will be %s (dropdelivered %s)\n"),
1624 ctl->dropdelivered ? GT_("discarded") : GT_("kept"),
1625 ctl->dropdelivered ? "on" : "off");
1626 if (NUM_NONZERO(ctl->limit))
1628 if (NUM_NONZERO(ctl->limit))
1629 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1630 ctl->limit, ctl->limit);
1631 else if (outlevel >= O_VERBOSE)
1632 printf(GT_(" No message size limit (--limit 0).\n"));
1633 if (run.poll_interval > 0)
1634 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1635 ctl->warnings, ctl->warnings);
1636 else if (outlevel >= O_VERBOSE)
1637 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1639 if (NUM_NONZERO(ctl->fetchlimit))
1640 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1641 ctl->fetchlimit, ctl->fetchlimit);
1642 else if (outlevel >= O_VERBOSE)
1643 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1644 if (NUM_NONZERO(ctl->fetchsizelimit))
1645 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1646 ctl->fetchsizelimit, ctl->fetchsizelimit);
1647 else if (outlevel >= O_VERBOSE)
1648 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1649 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1651 if (ctl->fastuidl == 1)
1652 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1654 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1656 else if (outlevel >= O_VERBOSE)
1657 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1658 if (NUM_NONZERO(ctl->batchlimit))
1659 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1660 else if (outlevel >= O_VERBOSE)
1661 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1662 if (MAILBOX_PROTOCOL(ctl))
1664 if (NUM_NONZERO(ctl->expunge))
1665 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1666 else if (outlevel >= O_VERBOSE)
1667 printf(GT_(" No forced expunges (--expunge 0).\n"));
1670 else /* ODMR or ETRN */
1674 printf(GT_(" Domains for which mail will be fetched are:"));
1675 for (idp = ctl->domainlist; idp; idp = idp->next)
1677 printf(" %s", (char *)idp->id);
1678 if (!idp->val.status.mark)
1679 printf(GT_(" (default)"));
1684 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1685 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1686 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1693 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1695 for (idp = ctl->smtphunt; idp; idp = idp->next)
1697 printf(" %s", (char *)idp->id);
1698 if (!idp->val.status.mark)
1699 printf(GT_(" (default)"));
1703 if (ctl->smtpaddress)
1704 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1707 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1710 if (MAILBOX_PROTOCOL(ctl))
1712 if (ctl->antispam != (struct idlist *)NULL)
1716 printf(GT_(" Recognized listener spam block responses are:"));
1717 for (idp = ctl->antispam; idp; idp = idp->next)
1718 printf(" %d", idp->val.status.num);
1721 else if (outlevel >= O_VERBOSE)
1722 printf(GT_(" Spam-blocking disabled\n"));
1724 if (ctl->preconnect)
1725 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1726 visbuf(ctl->preconnect));
1727 else if (outlevel >= O_VERBOSE)
1728 printf(GT_(" No pre-connection command.\n"));
1729 if (ctl->postconnect)
1730 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1731 visbuf(ctl->postconnect));
1732 else if (outlevel >= O_VERBOSE)
1733 printf(GT_(" No post-connection command.\n"));
1734 if (MAILBOX_PROTOCOL(ctl)) {
1735 if (!ctl->localnames)
1736 printf(GT_(" No localnames declared for this host.\n"));
1742 for (idp = ctl->localnames; idp; idp = idp->next)
1745 if (count > 1 || ctl->wildcard)
1746 printf(GT_(" Multi-drop mode: "));
1748 printf(GT_(" Single-drop mode: "));
1750 printf(GT_("%d local name(s) recognized.\n"), count);
1751 if (outlevel >= O_VERBOSE)
1753 for (idp = ctl->localnames; idp; idp = idp->next)
1755 printf("\t%s -> %s\n", (char *)idp->id, (char *)idp->val.id2);
1757 printf("\t%s\n", (char *)idp->id);
1759 fputs("\t*\n", stdout);
1762 if (count > 1 || ctl->wildcard)
1764 printf(GT_(" DNS lookup for multidrop addresses is %s.\n"),
1765 ctl->server.dns ? GT_("enabled") : GT_("disabled"));
1766 if (ctl->server.dns)
1768 printf(GT_(" Server aliases will be compared with multidrop addresses by "));
1769 if (ctl->server.checkalias)
1770 printf(GT_("IP address.\n"));
1772 printf(GT_("name.\n"));
1774 if (ctl->server.envelope == STRING_DISABLED)
1775 printf(GT_(" Envelope-address routing is disabled\n"));
1778 printf(GT_(" Envelope header is assumed to be: %s\n"),
1779 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1780 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1781 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1782 ctl->server.envskip);
1783 if (ctl->server.qvirtual)
1784 printf(GT_(" Prefix %s will be removed from user id\n"),
1785 ctl->server.qvirtual);
1786 else if (outlevel >= O_VERBOSE)
1787 printf(GT_(" No prefix stripping\n"));
1790 if (ctl->server.akalist)
1794 printf(GT_(" Predeclared mailserver aliases:"));
1795 for (idp = ctl->server.akalist; idp; idp = idp->next)
1796 printf(" %s", (char *)idp->id);
1799 if (ctl->server.localdomains)
1803 printf(GT_(" Local domains:"));
1804 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1805 printf(" %s", (char *)idp->id);
1811 #if defined(linux) || defined(__FreeBSD__)
1812 if (ctl->server.interface)
1813 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1814 else if (outlevel >= O_VERBOSE)
1815 printf(GT_(" No interface requirement specified.\n"));
1816 if (ctl->server.monitor)
1817 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1818 else if (outlevel >= O_VERBOSE)
1819 printf(GT_(" No monitor interface specified.\n"));
1822 if (ctl->server.plugin)
1823 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1824 else if (outlevel >= O_VERBOSE)
1825 printf(GT_(" No plugin command specified.\n"));
1826 if (ctl->server.plugout)
1827 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1828 else if (outlevel >= O_VERBOSE)
1829 printf(GT_(" No plugout command specified.\n"));
1831 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1834 printf(GT_(" No UIDs saved from this host.\n"));
1840 for (idp = ctl->oldsaved; idp; idp = idp->next)
1843 printf(GT_(" %d UIDs saved.\n"), count);
1844 if (outlevel >= O_VERBOSE)
1845 for (idp = ctl->oldsaved; idp; idp = idp->next)
1846 printf("\t%s\n", (char *)idp->id);
1850 if (ctl->tracepolls)
1851 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1852 else if (outlevel >= O_VERBOSE)
1853 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1855 if (ctl->properties)
1856 printf(GT_(" Pass-through properties \"%s\".\n"),
1857 visbuf(ctl->properties));
1861 /* fetchmail.c ends here */