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 #ifdef HAVE_LANGINFO_H
37 #include "fetchmail.h"
45 #define ENETUNREACH 128 /* Interactive doesn't know this */
46 #endif /* ENETUNREACH */
48 /* prototypes for internal functions */
49 static int load_params(int, char **, int);
50 static void dump_params (struct runctl *runp, struct query *, flag implicit);
51 static int query_host(struct query *);
53 /* controls the detail level of status/progress messages written to stderr */
54 int outlevel; /* see the O_.* constants above */
56 /* miscellaneous global controls */
57 struct runctl run; /* global controls for this run */
58 flag nodetach; /* if TRUE, don't detach daemon process */
59 flag quitmode; /* if --quit was set */
60 flag check_only; /* if --probe was set */
61 flag versioninfo; /* emit only version info */
62 char *user; /* the name of the invoking user */
63 char *home; /* invoking user's home directory */
64 char *fmhome; /* fetchmail's home directory */
65 char *program_name; /* the name to prefix error messages with */
66 flag configdump; /* dump control blocks for configurator */
67 char *fetchmailhost; /* either `localhost' or the host's FQDN */
72 #endif /* NET_SECURITY */
74 static int querystatus; /* status of query */
75 static int successes; /* count number of successful polls */
76 static int activecount; /* count number of active entries */
77 static struct runctl cmd_run; /* global options set from command line */
78 static time_t parsetime; /* time of last parse */
80 static RETSIGTYPE terminate_run(int);
81 static RETSIGTYPE terminate_poll(int);
83 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
84 /* drop SGID kmem privileage until we need it */
85 static void dropprivs(void)
95 if (gr && !strcmp(gr->gr_name, "kmem"))
97 extern void interface_set_gids(gid_t egid, gid_t rgid);
98 interface_set_gids(egid, rgid);
104 #if defined(HAVE_SETLOCALE) && defined(ENABLE_NLS) && defined(HAVE_STRFTIME)
106 static char *timestamp (void)
112 setlocale (LC_TIME, "");
113 strftime (buf, sizeof (buf), "%c", localtime(&now));
114 setlocale (LC_TIME, "C");
118 #define timestamp rfc822timestamp
121 static RETSIGTYPE donothing(int sig)
123 set_signal_handler(sig, donothing);
129 int main(int argc, char **argv)
132 int implicitmode = FALSE;
134 netrc_entry *netrc_list;
135 char *netrc_file, *tmpbuf;
139 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
143 envquery(argc, argv);
145 setlocale (LC_ALL, "");
146 bindtextdomain(PACKAGE, LOCALEDIR);
148 iana_charset = norm_charmap(nl_langinfo(CODESET)); /* normalize local
152 iana_charset = "US-ASCII";
156 * Note: because we can't initialize reporting before we know whether
157 * syslog is supposed to be on, this message will go to stdout and
158 * be lost when running in background.
160 if (outlevel >= O_VERBOSE)
164 report(stdout, GT_("fetchmail: invoked with"));
165 for (i = 0; i < argc; i++)
166 report(stdout, " %s", argv[i]);
167 report(stdout, "\n");
170 #define IDFILE_NAME ".fetchids"
171 run.idfile = prependdir (IDFILE_NAME, fmhome);
176 * We used to arrange for the lock to be removed on exit close
177 * to where the lock was asserted. Now we need to do it here, because
178 * we might have re-executed in background with an existing lock
179 * as the result of a changed rcfile (see the code near the execvp(3)
180 * call near the beginning of the polling loop for details). We want
181 * to be sure the lock gets nuked on any error exit, basically.
186 /* save the current directory */
187 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
188 report(stderr, GT_("could not get current working directory\n"));
193 if ((parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
198 printf(GT_("This is fetchmail release %s"), VERSION);
201 #endif /* POP2_ENABLE */
204 #endif /* POP3_ENABLE */
207 #endif /* IMAP_ENABLE */
213 #endif /* RPA_ENABLE */
216 #endif /* NTLM_ENABLE */
219 #endif /* SDPS_ENABLE */
222 #endif /* ETRN_ENABLE */
225 #endif /* ODMR_ENABLE */
231 #endif /* OPIE_ENABLE */
234 #endif /* INET6_ENABLE */
235 #ifdef HAVE_PKG_hesiod
240 #endif /* NET_SECURITY */
243 #endif /* HAVE_SOCKS */
246 #endif /* ENABLE_NLS */
248 fputs("Fallback MDA: ", stdout);
250 fputs(FALLBACK_MDA, stdout);
252 fputs("(none)", stdout);
257 /* this is an attempt to help remote debugging */
261 /* avoid parsing the config file if all we're doing is killing a daemon */
262 if (!(quitmode && argc == 2))
263 implicitmode = load_params(argc, argv, optind);
265 #if defined(HAVE_SYSLOG)
266 /* logging should be set up early in case we were restarted from exec */
269 #if defined(LOG_MAIL)
270 openlog(program_name, LOG_PID, LOG_MAIL);
272 /* Assume BSD4.2 openlog with two arguments */
273 openlog(program_name, LOG_PID);
279 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
281 /* construct the lockfile */
284 #ifdef HAVE_SETRLIMIT
286 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
287 * Core dumps could otherwise contain passwords to be scavenged by a
290 if (outlevel < O_VERBOSE || run.poll_interval > 0)
292 struct rlimit corelimit;
293 corelimit.rlim_cur = 0;
294 corelimit.rlim_max = 0;
295 setrlimit(RLIMIT_CORE, &corelimit);
297 #endif /* HAVE_SETRLIMIT */
299 #define NETRC_FILE ".netrc"
300 /* parse the ~/.netrc file (if present) for future password lookups. */
301 netrc_file = prependdir (NETRC_FILE, home);
302 netrc_list = parse_netrc(netrc_file);
305 /* pick up passwords where we can */
306 for (ctl = querylist; ctl; ctl = ctl->next)
308 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
310 if (NO_PASSWORD(ctl))
311 /* Server won't care what the password is, but there
312 must be some non-null string here. */
313 ctl->password = ctl->remotename;
318 /* look up the pollname and account in the .netrc file. */
319 p = search_netrc(netrc_list,
320 ctl->server.pollname, ctl->remotename);
321 /* if we find a matching entry with a password, use it */
322 if (p && p->password)
323 ctl->password = xstrdup(p->password);
325 /* otherwise try with "via" name if there is one */
326 else if (ctl->server.via)
328 p = search_netrc(netrc_list,
329 ctl->server.via, ctl->remotename);
330 if (p && p->password)
331 ctl->password = xstrdup(p->password);
337 /* perhaps we just want to check options? */
340 int havercfile = access(rcfile, 0);
342 printf(GT_("Taking options from command line%s%s\n"),
343 havercfile ? "" : GT_(" and "),
344 havercfile ? "" : rcfile);
346 if (querylist == NULL)
348 GT_("No mailservers set up -- perhaps %s is missing?\n"),
351 dump_params(&run, querylist, implicitmode);
355 /* dump options as a Python dictionary, for configurator use */
358 dump_config(&run, querylist);
362 /* check for another fetchmail running concurrently */
365 pid = bkgd ? -pid : pid;
367 /* if no mail servers listed and nothing in background, we're done */
368 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
369 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
373 /* perhaps user asked us to kill the other fetchmail */
378 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
382 else if (getpid() == pid)
384 /* this test enables re-execing on a changed rcfile */
387 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
391 else if (kill(pid, SIGTERM) < 0)
393 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
394 bkgd ? GT_("background") : GT_("foreground"), pid);
399 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
400 bkgd ? GT_("background") : GT_("foreground"), pid);
409 /* another fetchmail is running -- wake it up or die */
415 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
418 else if (!implicitmode)
421 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
428 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
432 else if (getpid() == pid)
433 /* this test enables re-execing on a changed rcfile */
438 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
441 else if (kill(pid, SIGUSR1) == 0)
444 GT_("fetchmail: background fetchmail at %d awakened.\n"),
451 * Should never happen -- possible only if a background fetchmail
452 * croaks after the first kill probe above but before the
453 * SIGUSR1/SIGHUP transmission.
456 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
458 return(PS_UNDEFINED);
462 /* pick up interactively any passwords we need but don't have */
463 for (ctl = querylist; ctl; ctl = ctl->next)
465 if (ctl->active && !(implicitmode && ctl->server.skip)
466 && !NO_PASSWORD(ctl) && !ctl->password)
471 GT_("fetchmail: can't find a password for %s@%s.\n"),
472 ctl->remotename, ctl->server.pollname);
475 const char* password_prompt = GT_("Enter password for %s@%s: ");
477 xalloca(tmpbuf, char *, strlen(password_prompt) +
478 strlen(ctl->remotename) +
479 strlen(ctl->server.pollname) + 1);
480 (void) sprintf(tmpbuf, password_prompt,
481 ctl->remotename, ctl->server.pollname);
482 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
488 * Time to initiate the SOCKS library (this is not mandatory: it just
489 * registers the correct application name for logging purpose. If you
490 * have some problem, comment out these lines).
493 SOCKSinit("fetchmail");
494 #endif /* HAVE_SOCKS */
496 /* avoid zombies from plugins */
500 * Maybe time to go to demon mode...
502 if (run.poll_interval)
505 daemonize(run.logfile, terminate_run);
506 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
509 * We'll set up a handler for these when we're sleeping,
510 * but ignore them otherwise so as not to interrupt a poll.
512 set_signal_handler(SIGUSR1, SIG_IGN);
513 if (run.poll_interval && getuid() == ROOT_UID)
514 set_signal_handler(SIGHUP, SIG_IGN);
518 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
520 if (!freopen(run.logfile, "a", stdout))
521 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
522 if (!freopen(run.logfile, "a", stderr))
523 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
531 /* beyond here we don't want more than one fetchmail running per user */
533 set_signal_handler(SIGABRT, terminate_run);
534 set_signal_handler(SIGINT, terminate_run);
535 set_signal_handler(SIGTERM, terminate_run);
536 set_signal_handler(SIGALRM, terminate_run);
537 set_signal_handler(SIGPIPE, terminate_run);
538 set_signal_handler(SIGQUIT, terminate_run);
540 /* here's the exclusion lock */
544 * Query all hosts. If there's only one, the error return will
545 * reflect the status of that transaction.
549 * Check to see if the rcfile has been touched. If so,
550 * re-exec so the file will be reread. Doing it this way
551 * avoids all the complications of trying to deallocate the
552 * in-core control structures -- and the potential memory
557 if (stat(rcfile, &rcstat) == -1)
561 GT_("couldn't time-check %s (error %d)\n"),
564 else if (rcstat.st_mtime > parsetime)
566 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
569 /* restore the startup directory */
570 if (!currentwd[0] || chdir (currentwd) == -1)
571 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
575 * Matthias Andree: Isn't this prone to introduction of
576 * "false" programs by interfering with PATH? Those
577 * path-searching execs might not be the best ideas for
580 * Rob Funk: But is there any way for someone to modify
581 * the PATH variable of a running fetchmail? I don't know
584 * Dave's change makes fetchmail restart itself in exactly
585 * the way it was started from the shell (or shell script)
586 * in the first place. If you're concerned about PATH
587 * contamination, call fetchmail initially with a full
588 * path, and use Dave's patch.
590 * Not using a -p variant of exec means that the restart
591 * will break if both (a) the user depended on PATH to
592 * call fetchmail in the first place, and (b) the system
593 * doesn't save the whole path in argv[0] if the whole
594 * path wasn't used in the initial call. (If I recall
595 * correctly, Linux saves it but many other Unices don't.)
597 execvp(argv[0], argv);
598 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
601 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
603 * This was an efficiency hack that backfired. The theory
604 * was that using TCP/IP for DNS queries would get us better
605 * reliability and shave off some per-UDP-packet costs.
606 * Unfortunately it interacted badly with diald, which effectively
607 * filters out DNS queries over TCP/IP for reasons having to do
608 * with some obscure Linux kernel problem involving bootstrapping of
609 * dynamically-addressed links. I don't understand this mess
610 * and don't want to, so it's "See ya!" to this hack.
612 sethostent(TRUE); /* use TCP/IP for mailserver queries */
613 #endif /* HAVE_RES_SEARCH */
617 for (ctl = querylist; ctl; ctl = ctl->next)
621 if (!(implicitmode && ctl->server.skip))
626 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
627 ctl->server.pollname);
631 /* check skip interval first so that it counts all polls */
632 if (run.poll_interval && ctl->server.interval)
634 if (ctl->server.poll_count++ % ctl->server.interval)
636 if (outlevel >= O_VERBOSE)
638 GT_("interval not reached, not querying %s\n"),
639 ctl->server.pollname);
644 #if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
646 * Don't do monitoring if we were woken by a signal.
647 * Note that interface_approve() does its own error logging.
649 if (!interface_approve(&ctl->server, !lastsig))
651 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
653 dofastuidl = 0; /* this is reset in the driver if required */
655 querystatus = query_host(ctl);
657 if (NUM_NONZERO(ctl->fastuidl))
658 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
660 /* leave the UIDL state alone if there have been any errors */
662 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
665 uid_discard_new_list(ctl);
667 #endif /* POP3_ENABLE */
669 if (querystatus == PS_SUCCESS)
671 else if (!check_only &&
672 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
676 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
678 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
680 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
682 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
684 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
686 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
688 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
690 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
692 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
694 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
696 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
698 report(stdout,GT_("Query status=11 (DNS)\n")); break;
700 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
702 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
704 report(stdout,GT_("Query status=%d\n"),querystatus);
708 #if (defined(linux) && !defined(INET6_ENABLE)) || defined (__FreeBSD__)
709 if (ctl->server.monitor)
712 * Allow some time for the link to quiesce. One
713 * second is usually sufficient, three is safe.
714 * Note: this delay is important - don't remove!
717 interface_note_activity(&ctl->server);
719 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
723 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
724 endhostent(); /* release TCP/IP connection to nameserver */
725 #endif /* HAVE_RES_SEARCH */
727 /* close connections cleanly */
731 * OK, we've polled. Now sleep.
733 if (run.poll_interval)
736 * Because passwords can expire, it may happen that *all*
737 * hosts are now out of the loop due to authfail
738 * conditions. If this happens daemon-mode fetchmail
739 * should softly and silently vanish away, rather than
740 * spinning uselessly.
744 for (ctl = querylist; ctl; ctl = ctl->next)
745 if (ctl->active && !(implicitmode && ctl->server.skip))
750 report(stderr, GT_("All connections are wedged. Exiting.\n"));
751 /* FIXME: someday, send notification mail */
755 if (outlevel > O_SILENT)
757 GT_("sleeping at %s\n"), timestamp());
760 * With this simple hack, we make it possible for a foreground
761 * fetchmail to wake up one in daemon mode. What we want is the
762 * side effect of interrupting any sleep that may be going on,
763 * forcing fetchmail to re-poll its hosts. The second line is
764 * for people who think all system daemons wake up on SIGHUP.
766 set_signal_handler(SIGUSR1, donothing);
767 if (getuid() != ROOT_UID)
768 set_signal_handler(SIGHUP, donothing);
771 * OK, now pause until it's time for the next poll cycle.
772 * A nonzero return indicates we received a wakeup signal;
773 * unwedge all servers in case the problem has been
776 if ((lastsig = interruptible_idle(run.poll_interval)))
778 if (outlevel > O_SILENT)
779 #ifdef SYS_SIGLIST_DECLARED
781 GT_("awakened by %s\n"), sys_siglist[lastsig]);
784 GT_("awakened by signal %d\n"), lastsig);
786 for (ctl = querylist; ctl; ctl = ctl->next)
790 if (outlevel > O_SILENT)
791 report(stdout, GT_("awakened at %s\n"), timestamp());
796 if (outlevel >= O_VERBOSE)
797 report(stdout, GT_("normal termination, status %d\n"),
798 successes ? PS_SUCCESS : querystatus);
804 else if (querystatus)
807 /* in case we interrupted before a successful fetch */
811 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
814 * If force is off, modify dstl fields only when they're empty (treat srcl
815 * as defaults). If force is on, modify each dstl field whenever scrcl
816 * is nonempty (treat srcl as an override).
818 if (force ? !!*srcl : !*dstl)
820 struct idlist *cpl = copy_str_list(*srcl);
822 append_str_list(dstl, &cpl);
826 static void optmerge(struct query *h2, struct query *h1, int force)
827 /* merge two options records */
829 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
830 list_merge(&h2->localnames, &h1->localnames, force);
831 list_merge(&h2->mailboxes, &h1->mailboxes, force);
832 list_merge(&h2->smtphunt, &h1->smtphunt, force);
833 list_merge(&h2->domainlist, &h1->domainlist, force);
834 list_merge(&h2->antispam, &h1->antispam, force);
836 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
837 FLAG_MERGE(server.via);
838 FLAG_MERGE(server.protocol);
840 FLAG_MERGE(server.service);
841 FLAG_MERGE(server.netsec);
842 #else /* INET6_ENABLE */
843 FLAG_MERGE(server.port);
844 #endif /* INET6_ENABLE */
845 FLAG_MERGE(server.interval);
846 FLAG_MERGE(server.authenticate);
847 FLAG_MERGE(server.timeout);
848 FLAG_MERGE(server.envelope);
849 FLAG_MERGE(server.envskip);
850 FLAG_MERGE(server.qvirtual);
851 FLAG_MERGE(server.skip);
852 FLAG_MERGE(server.dns);
853 FLAG_MERGE(server.checkalias);
854 FLAG_MERGE(server.uidl);
855 FLAG_MERGE(server.principal);
857 #if defined(linux) || defined(__FreeBSD__)
858 FLAG_MERGE(server.interface);
859 FLAG_MERGE(server.monitor);
860 FLAG_MERGE(server.interface_pair);
861 #endif /* linux || defined(__FreeBSD__) */
863 FLAG_MERGE(server.plugin);
864 FLAG_MERGE(server.plugout);
866 FLAG_MERGE(wildcard);
867 FLAG_MERGE(remotename);
868 FLAG_MERGE(password);
871 FLAG_MERGE(listener);
872 FLAG_MERGE(smtpaddress);
873 FLAG_MERGE(smtpname);
874 FLAG_MERGE(preconnect);
875 FLAG_MERGE(postconnect);
879 FLAG_MERGE(fetchall);
883 FLAG_MERGE(pass8bits);
884 FLAG_MERGE(dropstatus);
885 FLAG_MERGE(dropdelivered);
886 FLAG_MERGE(mimedecode);
889 FLAG_MERGE(warnings);
890 FLAG_MERGE(fetchlimit);
891 FLAG_MERGE(fetchsizelimit);
892 FLAG_MERGE(fastuidl);
893 FLAG_MERGE(batchlimit);
898 FLAG_MERGE(sslproto);
899 FLAG_MERGE(sslcertck);
900 FLAG_MERGE(sslcertpath);
901 FLAG_MERGE(sslfingerprint);
905 FLAG_MERGE(tracepolls);
906 FLAG_MERGE(properties);
910 static int load_params(int argc, char **argv, int optind)
912 int implicitmode, st;
914 struct query def_opts, *ctl;
918 run.bouncemail = TRUE;
919 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
921 memset(&def_opts, '\0', sizeof(struct query));
922 def_opts.smtp_socket = -1;
923 def_opts.smtpaddress = (char *)0;
924 def_opts.smtpname = (char *)0;
925 def_opts.server.protocol = P_AUTO;
926 def_opts.server.timeout = CLIENT_TIMEOUT;
927 def_opts.server.esmtp_name = user;
928 def_opts.warnings = WARNING_INTERVAL;
929 def_opts.remotename = user;
930 def_opts.listener = SMTP_MODE;
931 def_opts.fetchsizelimit = 100;
932 def_opts.fastuidl = 10;
934 /* get the location of rcfile */
936 p = strrchr (rcfile, '/');
937 if (p && (p - rcfile) < sizeof (rcfiledir)) {
938 *p = 0; /* replace '/' by '0' */
939 strcpy (rcfiledir, rcfile);
940 *p = '/'; /* restore '/' */
941 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
942 strcpy (rcfiledir, "/");
945 /* note the parse time, so we can pick up on modifications */
946 parsetime = 0; /* foil compiler warnings */
947 if (stat(rcfile, &rcstat) != -1)
948 parsetime = rcstat.st_mtime;
949 else if (errno != ENOENT)
950 report(stderr, GT_("couldn't time-check the run-control file\n"));
952 /* this builds the host list */
953 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
955 * FIXME: someday, send notification mail here if backgrounded.
956 * Right now, that can happen if the user changes the rcfile
957 * while the fetchmail is running in background. Do similarly
958 * for the other exit() calls in this function.
962 if ((implicitmode = (optind >= argc)))
964 for (ctl = querylist; ctl; ctl = ctl->next)
965 ctl->active = !ctl->server.skip;
968 for (; optind < argc; optind++)
970 flag predeclared = FALSE;
973 * If hostname corresponds to a host known from the rc file,
974 * simply declare it active. Otherwise synthesize a host
975 * record from command line and defaults
977 for (ctl = querylist; ctl; ctl = ctl->next)
978 if (!strcmp(ctl->server.pollname, argv[optind])
979 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
981 /* Is this correct? */
982 if (predeclared && outlevel == O_VERBOSE)
983 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
991 * Allocate and link record without copying in
992 * command-line args; we'll do that with the optmerge
995 ctl = hostalloc((struct query *)NULL);
997 ctl->server.pollname = xstrdup(argv[optind]);
999 ctl->server.lead_server = (struct hostdata *)NULL;
1004 * If there's a defaults record, merge it and lose it.
1006 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
1008 for (ctl = querylist->next; ctl; ctl = ctl->next)
1009 optmerge(ctl, querylist, FALSE);
1010 querylist = querylist->next;
1013 /* don't allow a defaults record after the first */
1014 for (ctl = querylist; ctl; ctl = ctl->next)
1015 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1018 /* use localhost if we never fetch the FQDN of this host */
1019 fetchmailhost = "localhost";
1021 /* here's where we override globals */
1022 if (cmd_run.logfile)
1023 run.logfile = cmd_run.logfile;
1025 run.idfile = cmd_run.idfile;
1026 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1027 if (cmd_run.poll_interval >= 0)
1028 run.poll_interval = cmd_run.poll_interval;
1029 if (cmd_run.invisible)
1030 run.invisible = cmd_run.invisible;
1031 if (cmd_run.showdots)
1032 run.showdots = cmd_run.showdots;
1033 if (cmd_run.use_syslog)
1034 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1035 if (cmd_run.postmaster)
1036 run.postmaster = cmd_run.postmaster;
1037 if (cmd_run.bouncemail)
1038 run.bouncemail = cmd_run.bouncemail;
1040 /* check and daemon options are not compatible */
1041 if (check_only && run.poll_interval)
1042 run.poll_interval = 0;
1045 * DNS support is required for some protocols. We used to
1046 * do this unconditionally, but it made fetchmail excessively
1047 * vulnerable to misconfigured DNS setups.
1049 * If we're using ETRN or ODMR, the smtp hunt list is the
1050 * list of systems we're polling on behalf of; these have
1051 * to be fully-qualified domain names. The default for
1052 * this list should be the FQDN of localhost.
1054 * If we're using Kerberos for authentication, we need
1055 * the FQDN in order to generate capability keys.
1057 if (strcmp(fetchmailhost, "localhost") == 0)
1058 for (ctl = querylist; ctl; ctl = ctl->next)
1060 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1061 || ctl->server.authenticate == A_KERBEROS_V4
1062 || ctl->server.authenticate == A_KERBEROS_V5))
1064 fetchmailhost = host_fqdn();
1068 /* merge in wired defaults, do sanity checks and prepare internal fields */
1069 for (ctl = querylist; ctl; ctl = ctl->next)
1071 ctl->wedged = FALSE;
1073 /* merge in defaults */
1074 optmerge(ctl, &def_opts, FALSE);
1076 /* force command-line options */
1077 optmerge(ctl, &cmd_opts, TRUE);
1080 * queryname has to be set up for inactive servers too.
1081 * Otherwise the UIDL code core-dumps on startup.
1083 if (ctl->server.via)
1084 ctl->server.queryname = xstrdup(ctl->server.via);
1086 ctl->server.queryname = xstrdup(ctl->server.pollname);
1089 * We no longer do DNS lookups at startup.
1090 * This is a kluge. It enables users to edit their
1091 * configurations when DNS isn't available.
1093 ctl->server.truename = xstrdup(ctl->server.queryname);
1095 if (configdump || ctl->active )
1097 /* this code enables flags to be turned off */
1098 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1100 else if (flag == FLAG_FALSE)\
1104 DEFAULT(ctl->keep, FALSE);
1105 DEFAULT(ctl->fetchall, FALSE);
1106 DEFAULT(ctl->flush, FALSE);
1107 DEFAULT(ctl->rewrite, TRUE);
1108 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1109 DEFAULT(ctl->forcecr, FALSE);
1110 DEFAULT(ctl->pass8bits, FALSE);
1111 DEFAULT(ctl->dropstatus, FALSE);
1112 DEFAULT(ctl->dropdelivered, FALSE);
1113 DEFAULT(ctl->mimedecode, FALSE);
1114 DEFAULT(ctl->idle, FALSE);
1115 DEFAULT(ctl->server.dns, TRUE);
1116 DEFAULT(ctl->server.uidl, FALSE);
1118 DEFAULT(ctl->use_ssl, FALSE);
1119 DEFAULT(ctl->sslcertck, FALSE);
1121 DEFAULT(ctl->server.checkalias, FALSE);
1125 report(stderr, GT_("SSL support is not compiled in.\n"));
1128 #endif /* SSL_ENABLE */
1129 /* one global gets treated specially */
1130 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1134 * Make sure we have a nonempty host list to forward to.
1137 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1140 * Make sure we have a nonempty list of domains to fetch from.
1142 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1143 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1145 /* if `user' doesn't name a real local user, try to run as root */
1146 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1149 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1150 if (!ctl->localnames) /* for local delivery via SMTP */
1151 save_str_pair(&ctl->localnames, user, NULL);
1153 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1154 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1155 if (ctl->localnames && ctl->localnames->next && ctl->server.dns)
1157 ctl->server.dns = FALSE;
1158 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1160 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1162 /* if no folders were specified, set up the null one as default */
1163 if (!ctl->mailboxes)
1164 save_str(&ctl->mailboxes, (char *)NULL, 0);
1166 /* maybe user overrode timeout on command line? */
1167 if (ctl->server.timeout == -1)
1168 ctl->server.timeout = CLIENT_TIMEOUT;
1170 #ifndef INET6_ENABLE
1172 if (ctl->server.port < 0)
1174 (void) fprintf(stderr,
1175 GT_("%s configuration invalid, port number cannot be negative\n"),
1176 ctl->server.pollname);
1179 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1181 (void) fprintf(stderr,
1182 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1183 ctl->server.pollname);
1186 if (ctl->listener == LMTP_MODE)
1190 for (idp = ctl->smtphunt; idp; idp = idp->next)
1194 if (!(cp = strrchr(idp->id, '/')) ||
1195 (atoi(++cp) == SMTP_PORT))
1197 (void) fprintf(stderr,
1198 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1199 ctl->server.pollname);
1204 #endif /* !INET6_ENABLE */
1207 * "I beg to you, have mercy on the week minds like myself."
1208 * wrote Pehr Anderson. Your petition is granted.
1210 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1212 (void) fprintf(stderr,
1213 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1220 /* initialize UID handling */
1221 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1224 initialize_saved_lists(querylist, run.idfile);
1225 #endif /* POP3_ENABLE */
1228 * If the user didn't set a last-resort user to get misaddressed
1229 * multidrop mail, set an appropriate default here.
1231 if (!run.postmaster)
1233 if (getuid() != ROOT_UID) /* ordinary user */
1234 run.postmaster = user;
1236 run.postmaster = "postmaster";
1239 return(implicitmode);
1242 static RETSIGTYPE terminate_poll(int sig)
1243 /* to be executed at the end of a poll cycle */
1246 * Close all SMTP delivery sockets. For optimum performance
1247 * we'd like to hold them open til end of run, but (1) this
1248 * loses if our poll interval is longer than the MTA's inactivity
1249 * timeout, and (2) some MTAs (like smail) don't deliver after
1250 * each message, but rather queue up mail and wait to actually
1251 * deliver it until the input socket is closed.
1253 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1254 * subtle bug. If fetchmail was terminated by signal while it was
1255 * shipping message text, it would hang forever waiting for a
1256 * command acknowledge. In theory we could enable the QUIT
1257 * only outside of the message send. In practice, we don't
1258 * care. All mailservers hang up on a dropped TCP/IP connection
1263 report(stdout, GT_("terminated with signal %d\n"), sig);
1268 /* terminate all SMTP connections cleanly */
1269 for (ctl = querylist; ctl; ctl = ctl->next)
1270 if (ctl->smtp_socket != -1)
1272 /* don't send QUIT for ODMR case because we're acting
1273 as a proxy between the SMTP server and client. */
1274 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1280 * Update UID information at end of each poll, rather than at end
1281 * of run, because that way we don't lose all UIDL information since
1282 * the beginning of time if fetchmail crashes.
1285 write_saved_lists(querylist, run.idfile);
1286 #endif /* POP3_ENABLE */
1289 static RETSIGTYPE terminate_run(int sig)
1290 /* to be executed on normal or signal-induced termination */
1294 terminate_poll(sig);
1297 * Craig Metz, the RFC1938 one-time-password guy, points out:
1298 * "Remember that most kernels don't zero pages before handing them to the
1299 * next process and many kernels share pages between user and kernel space.
1300 * You'd be very surprised what you can find from a short program to do a
1301 * malloc() and then dump the contents of the pages you got. By zeroing
1302 * the secrets at end of run (earlier if you can), you make sure the next
1303 * guy can't get the password/pass phrase."
1305 * Right you are, Craig!
1307 for (ctl = querylist; ctl; ctl = ctl->next)
1309 memset(ctl->password, '\0', strlen(ctl->password));
1311 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1315 if (activecount == 0)
1318 exit(successes ? PS_SUCCESS : querystatus);
1322 * Sequence of protocols to try when autoprobing, most capable to least.
1324 static const int autoprobe[] =
1328 #endif /* IMAP_ENABLE */
1331 #endif /* POP3_ENABLE */
1334 #endif /* POP2_ENABLE */
1337 static int query_host(struct query *ctl)
1338 /* perform fetch transaction with single host */
1343 * If we're syslogging the progress messages are automatically timestamped.
1344 * Force timestamping if we're going to a logfile.
1346 if (outlevel >= O_VERBOSE)
1348 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1350 ctl->server.pollname,
1351 showproto(ctl->server.protocol),
1355 switch (ctl->server.protocol) {
1357 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1359 ctl->server.protocol = autoprobe[i];
1361 st = query_host(ctl);
1364 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1367 ctl->server.protocol = P_AUTO;
1373 report(stderr, GT_("POP2 support is not configured.\n"));
1375 #endif /* POP2_ENABLE */
1383 } while (st == PS_REPOLL);
1385 report(stderr, GT_("POP3 support is not configured.\n"));
1387 #endif /* POP3_ENABLE */
1393 } while (st == PS_REPOLL);
1395 report(stderr, GT_("IMAP support is not configured.\n"));
1397 #endif /* IMAP_ENABLE */
1401 report(stderr, GT_("ETRN support is not configured.\n"));
1404 #ifdef HAVE_GETHOSTBYNAME
1407 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1409 #endif /* HAVE_GETHOSTBYNAME */
1411 #endif /* ETRN_ENABLE */
1414 report(stderr, GT_("ODMR support is not configured.\n"));
1417 #ifdef HAVE_GETHOSTBYNAME
1420 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1422 #endif /* HAVE_GETHOSTBYNAME */
1423 #endif /* ODMR_ENABLE */
1426 report(stderr, GT_("unsupported protocol selected.\n"));
1431 * If we're syslogging the progress messages are automatically timestamped.
1432 * Force timestamping if we're going to a logfile.
1434 if (outlevel >= O_VERBOSE)
1436 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1438 ctl->server.pollname,
1439 showproto(ctl->server.protocol),
1446 static void dump_params (struct runctl *runp,
1447 struct query *querylist, flag implicit)
1448 /* display query parameters in English */
1452 if (runp->poll_interval)
1453 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1455 printf(GT_("Logfile is %s\n"), runp->logfile);
1456 if (strcmp(runp->idfile, IDFILE_NAME))
1457 printf(GT_("Idfile is %s\n"), runp->idfile);
1458 #if defined(HAVE_SYSLOG)
1459 if (runp->use_syslog)
1460 printf(GT_("Progress messages will be logged via syslog\n"));
1462 if (runp->invisible)
1463 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1465 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1466 if (runp->postmaster)
1467 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1470 if (!runp->bouncemail)
1471 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1472 else if (outlevel >= O_VERBOSE)
1473 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1475 for (ctl = querylist; ctl; ctl = ctl->next)
1477 if (!ctl->active || (implicit && ctl->server.skip))
1480 printf(GT_("Options for retrieving from %s@%s:\n"),
1481 ctl->remotename, visbuf(ctl->server.pollname));
1483 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1484 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1486 if (ctl->server.interval)
1487 printf(GT_(" Poll of this server will occur every %d intervals.\n"),
1488 ctl->server.interval);
1489 if (ctl->server.truename)
1490 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1491 if (ctl->server.skip || outlevel >= O_VERBOSE)
1492 printf(GT_(" This host %s be queried when no host is specified.\n"),
1493 ctl->server.skip ? GT_("will not") : GT_("will"));
1494 if (!NO_PASSWORD(ctl))
1497 printf(GT_(" Password will be prompted for.\n"));
1498 else if (outlevel >= O_VERBOSE)
1500 if (ctl->server.protocol == P_APOP)
1501 printf(GT_(" APOP secret = \"%s\".\n"),
1502 visbuf(ctl->password));
1503 else if (ctl->server.protocol == P_RPOP)
1504 printf(GT_(" RPOP id = \"%s\".\n"),
1505 visbuf(ctl->password));
1507 printf(GT_(" Password = \"%s\".\n"),
1508 visbuf(ctl->password));
1512 if (ctl->server.protocol == P_POP3
1514 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1515 #else /* INET6_ENABLE */
1516 && ctl->server.port == KPOP_PORT
1517 #endif /* INET6_ENABLE */
1518 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1519 ctl->server.authenticate == A_KERBEROS_V5))
1520 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1521 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1523 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1525 if (ctl->server.service)
1526 printf(GT_(" (using service %s)"), ctl->server.service);
1527 if (ctl->server.netsec)
1528 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1529 #else /* INET6_ENABLE */
1530 if (ctl->server.port)
1531 printf(GT_(" (using port %d)"), ctl->server.port);
1532 #endif /* INET6_ENABLE */
1533 else if (outlevel >= O_VERBOSE)
1534 printf(GT_(" (using default port)"));
1535 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1536 printf(GT_(" (forcing UIDL use)"));
1539 switch (ctl->server.authenticate)
1542 printf(GT_(" All available authentication methods will be tried.\n"));
1545 printf(GT_(" Password authentication will be forced.\n"));
1548 printf(GT_(" NTLM authentication will be forced.\n"));
1551 printf(GT_(" OTP authentication will be forced.\n"));
1554 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1557 printf(GT_(" GSSAPI authentication will be forced.\n"));
1560 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1563 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1566 printf(GT_(" End-to-end encryption assumed.\n"));
1569 if (ctl->server.principal != (char *) NULL)
1570 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1573 printf(GT_(" SSL encrypted sessions enabled.\n"));
1575 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1576 if (ctl->sslcertck) {
1577 printf(GT_(" SSL server certificate checking enabled.\n"));
1578 if (ctl->sslcertpath != NULL)
1579 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1581 if (ctl->sslfingerprint != NULL)
1582 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1584 if (ctl->server.timeout > 0)
1585 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1586 if (ctl->server.timeout == CLIENT_TIMEOUT)
1587 printf(GT_(" (default).\n"));
1591 if (MAILBOX_PROTOCOL(ctl))
1593 if (!ctl->mailboxes->id)
1594 printf(GT_(" Default mailbox selected.\n"));
1599 printf(GT_(" Selected mailboxes are:"));
1600 for (idp = ctl->mailboxes; idp; idp = idp->next)
1601 printf(" %s", (char *)idp->id);
1604 printf(GT_(" %s messages will be retrieved (--all %s).\n"),
1605 ctl->fetchall ? GT_("All") : GT_("Only new"),
1606 ctl->fetchall ? "on" : "off");
1607 printf(GT_(" Fetched messages %s be kept on the server (--keep %s).\n"),
1608 ctl->keep ? GT_("will") : GT_("will not"),
1609 ctl->keep ? "on" : "off");
1610 printf(GT_(" Old messages %s be flushed before message retrieval (--flush %s).\n"),
1611 ctl->flush ? GT_("will") : GT_("will not"),
1612 ctl->flush ? "on" : "off");
1613 printf(GT_(" Rewrite of server-local addresses is %s (--norewrite %s).\n"),
1614 ctl->rewrite ? GT_("enabled") : GT_("disabled"),
1615 ctl->rewrite ? "off" : "on");
1616 printf(GT_(" Carriage-return stripping is %s (stripcr %s).\n"),
1617 ctl->stripcr ? GT_("enabled") : GT_("disabled"),
1618 ctl->stripcr ? "on" : "off");
1619 printf(GT_(" Carriage-return forcing is %s (forcecr %s).\n"),
1620 ctl->forcecr ? GT_("enabled") : GT_("disabled"),
1621 ctl->forcecr ? "on" : "off");
1622 printf(GT_(" Interpretation of Content-Transfer-Encoding is %s (pass8bits %s).\n"),
1623 ctl->pass8bits ? GT_("disabled") : GT_("enabled"),
1624 ctl->pass8bits ? "on" : "off");
1625 printf(GT_(" MIME decoding is %s (mimedecode %s).\n"),
1626 ctl->mimedecode ? GT_("enabled") : GT_("disabled"),
1627 ctl->mimedecode ? "on" : "off");
1628 printf(GT_(" Idle after poll is %s (idle %s).\n"),
1629 ctl->idle ? GT_("enabled") : GT_("disabled"),
1630 ctl->idle ? "on" : "off");
1631 printf(GT_(" Nonempty Status lines will be %s (dropstatus %s)\n"),
1632 ctl->dropstatus ? GT_("discarded") : GT_("kept"),
1633 ctl->dropstatus ? "on" : "off");
1634 printf(GT_(" Delivered-To lines will be %s (dropdelivered %s)\n"),
1635 ctl->dropdelivered ? GT_("discarded") : GT_("kept"),
1636 ctl->dropdelivered ? "on" : "off");
1637 if (NUM_NONZERO(ctl->limit))
1639 if (NUM_NONZERO(ctl->limit))
1640 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1641 ctl->limit, ctl->limit);
1642 else if (outlevel >= O_VERBOSE)
1643 printf(GT_(" No message size limit (--limit 0).\n"));
1644 if (run.poll_interval > 0)
1645 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1646 ctl->warnings, ctl->warnings);
1647 else if (outlevel >= O_VERBOSE)
1648 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1650 if (NUM_NONZERO(ctl->fetchlimit))
1651 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1652 ctl->fetchlimit, ctl->fetchlimit);
1653 else if (outlevel >= O_VERBOSE)
1654 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1655 if (NUM_NONZERO(ctl->fetchsizelimit))
1656 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1657 ctl->fetchsizelimit, ctl->fetchsizelimit);
1658 else if (outlevel >= O_VERBOSE)
1659 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1660 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1662 if (ctl->fastuidl == 1)
1663 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1665 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1667 else if (outlevel >= O_VERBOSE)
1668 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1669 if (NUM_NONZERO(ctl->batchlimit))
1670 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1671 else if (outlevel >= O_VERBOSE)
1672 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1673 if (MAILBOX_PROTOCOL(ctl))
1675 if (NUM_NONZERO(ctl->expunge))
1676 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1677 else if (outlevel >= O_VERBOSE)
1678 printf(GT_(" No forced expunges (--expunge 0).\n"));
1681 else /* ODMR or ETRN */
1685 printf(GT_(" Domains for which mail will be fetched are:"));
1686 for (idp = ctl->domainlist; idp; idp = idp->next)
1688 printf(" %s", (char *)idp->id);
1689 if (!idp->val.status.mark)
1690 printf(GT_(" (default)"));
1695 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1696 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1697 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1704 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1706 for (idp = ctl->smtphunt; idp; idp = idp->next)
1708 printf(" %s", (char *)idp->id);
1709 if (!idp->val.status.mark)
1710 printf(GT_(" (default)"));
1714 if (ctl->smtpaddress)
1715 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1718 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1721 if (MAILBOX_PROTOCOL(ctl))
1723 if (ctl->antispam != (struct idlist *)NULL)
1727 printf(GT_(" Recognized listener spam block responses are:"));
1728 for (idp = ctl->antispam; idp; idp = idp->next)
1729 printf(" %d", idp->val.status.num);
1732 else if (outlevel >= O_VERBOSE)
1733 printf(GT_(" Spam-blocking disabled\n"));
1735 if (ctl->preconnect)
1736 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1737 visbuf(ctl->preconnect));
1738 else if (outlevel >= O_VERBOSE)
1739 printf(GT_(" No pre-connection command.\n"));
1740 if (ctl->postconnect)
1741 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1742 visbuf(ctl->postconnect));
1743 else if (outlevel >= O_VERBOSE)
1744 printf(GT_(" No post-connection command.\n"));
1745 if (MAILBOX_PROTOCOL(ctl)) {
1746 if (!ctl->localnames)
1747 printf(GT_(" No localnames declared for this host.\n"));
1753 for (idp = ctl->localnames; idp; idp = idp->next)
1756 if (count > 1 || ctl->wildcard)
1757 printf(GT_(" Multi-drop mode: "));
1759 printf(GT_(" Single-drop mode: "));
1761 printf(GT_("%d local name(s) recognized.\n"), count);
1762 if (outlevel >= O_VERBOSE)
1764 for (idp = ctl->localnames; idp; idp = idp->next)
1766 printf("\t%s -> %s\n", (char *)idp->id, (char *)idp->val.id2);
1768 printf("\t%s\n", (char *)idp->id);
1770 fputs("\t*\n", stdout);
1773 if (count > 1 || ctl->wildcard)
1775 printf(GT_(" DNS lookup for multidrop addresses is %s.\n"),
1776 ctl->server.dns ? GT_("enabled") : GT_("disabled"));
1777 if (ctl->server.dns)
1779 printf(GT_(" Server aliases will be compared with multidrop addresses by "));
1780 if (ctl->server.checkalias)
1781 printf(GT_("IP address.\n"));
1783 printf(GT_("name.\n"));
1785 if (ctl->server.envelope == STRING_DISABLED)
1786 printf(GT_(" Envelope-address routing is disabled\n"));
1789 printf(GT_(" Envelope header is assumed to be: %s\n"),
1790 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1791 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1792 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1793 ctl->server.envskip);
1794 if (ctl->server.qvirtual)
1795 printf(GT_(" Prefix %s will be removed from user id\n"),
1796 ctl->server.qvirtual);
1797 else if (outlevel >= O_VERBOSE)
1798 printf(GT_(" No prefix stripping\n"));
1801 if (ctl->server.akalist)
1805 printf(GT_(" Predeclared mailserver aliases:"));
1806 for (idp = ctl->server.akalist; idp; idp = idp->next)
1807 printf(" %s", (char *)idp->id);
1810 if (ctl->server.localdomains)
1814 printf(GT_(" Local domains:"));
1815 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1816 printf(" %s", (char *)idp->id);
1822 #if defined(linux) || defined(__FreeBSD__)
1823 if (ctl->server.interface)
1824 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1825 else if (outlevel >= O_VERBOSE)
1826 printf(GT_(" No interface requirement specified.\n"));
1827 if (ctl->server.monitor)
1828 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1829 else if (outlevel >= O_VERBOSE)
1830 printf(GT_(" No monitor interface specified.\n"));
1833 if (ctl->server.plugin)
1834 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1835 else if (outlevel >= O_VERBOSE)
1836 printf(GT_(" No plugin command specified.\n"));
1837 if (ctl->server.plugout)
1838 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1839 else if (outlevel >= O_VERBOSE)
1840 printf(GT_(" No plugout command specified.\n"));
1842 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1845 printf(GT_(" No UIDs saved from this host.\n"));
1851 for (idp = ctl->oldsaved; idp; idp = idp->next)
1854 printf(GT_(" %d UIDs saved.\n"), count);
1855 if (outlevel >= O_VERBOSE)
1856 for (idp = ctl->oldsaved; idp; idp = idp->next)
1857 printf("\t%s\n", (char *)idp->id);
1861 if (ctl->tracepolls)
1862 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1863 else if (outlevel >= O_VERBOSE)
1864 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1866 if (ctl->properties)
1867 printf(GT_(" Pass-through properties \"%s\".\n"),
1868 visbuf(ctl->properties));
1872 /* fetchmail.c ends here */