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 */
33 #include <socks.h> /* SOCKSinit() */
34 #endif /* HAVE_SOCKS */
36 #ifdef HAVE_LANGINFO_H
40 #include "fetchmail.h"
48 #define ENETUNREACH 128 /* Interactive doesn't know this */
49 #endif /* ENETUNREACH */
51 /* prototypes for internal functions */
52 static int load_params(int, char **, int);
53 static void dump_params (struct runctl *runp, struct query *, flag implicit);
54 static int query_host(struct query *);
56 /* controls the detail level of status/progress messages written to stderr */
57 int outlevel; /* see the O_.* constants above */
59 /* miscellaneous global controls */
60 struct runctl run; /* global controls for this run */
61 flag nodetach; /* if TRUE, don't detach daemon process */
62 flag quitmode; /* if --quit was set */
63 flag check_only; /* if --probe was set */
64 flag versioninfo; /* emit only version info */
65 char *user; /* the name of the invoking user */
66 char *home; /* invoking user's home directory */
67 char *fmhome; /* fetchmail's home directory */
68 char *program_name; /* the name to prefix error messages with */
69 flag configdump; /* dump control blocks for configurator */
70 char *fetchmailhost; /* either `localhost' or the host's FQDN */
75 #endif /* NET_SECURITY */
77 static int querystatus; /* status of query */
78 static int successes; /* count number of successful polls */
79 static int activecount; /* count number of active entries */
80 static struct runctl cmd_run; /* global options set from command line */
81 static time_t parsetime; /* time of last parse */
83 static RETSIGTYPE terminate_run(int);
84 static RETSIGTYPE terminate_poll(int);
86 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
87 /* drop SGID kmem privileage until we need it */
88 static void dropprivs(void)
98 if (gr && !strcmp(gr->gr_name, "kmem"))
100 extern void interface_set_gids(gid_t egid, gid_t rgid);
101 interface_set_gids(egid, rgid);
107 #if defined(HAVE_SETLOCALE) && defined(ENABLE_NLS) && defined(HAVE_STRFTIME)
109 static char *timestamp (void)
115 setlocale (LC_TIME, "");
116 strftime (buf, sizeof (buf), "%c", localtime(&now));
117 setlocale (LC_TIME, "C");
121 #define timestamp rfc822timestamp
124 static RETSIGTYPE donothing(int sig)
126 set_signal_handler(sig, donothing);
130 const char *iana_charset;
132 int main(int argc, char **argv)
135 int implicitmode = FALSE;
137 netrc_entry *netrc_list;
138 char *netrc_file, *tmpbuf;
142 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
146 envquery(argc, argv);
148 setlocale (LC_ALL, "");
149 bindtextdomain(PACKAGE, LOCALEDIR);
151 iana_charset = norm_charmap(nl_langinfo(CODESET)); /* normalize local
155 iana_charset = "US-ASCII";
159 * Note: because we can't initialize reporting before we know whether
160 * syslog is supposed to be on, this message will go to stdout and
161 * be lost when running in background.
163 if (outlevel >= O_VERBOSE)
167 report(stdout, GT_("fetchmail: invoked with"));
168 for (i = 0; i < argc; i++)
169 report(stdout, " %s", argv[i]);
170 report(stdout, "\n");
173 #define IDFILE_NAME ".fetchids"
174 run.idfile = prependdir (IDFILE_NAME, fmhome);
179 * We used to arrange for the lock to be removed on exit close
180 * to where the lock was asserted. Now we need to do it here, because
181 * we might have re-executed in background with an existing lock
182 * as the result of a changed rcfile (see the code near the execvp(3)
183 * call near the beginning of the polling loop for details). We want
184 * to be sure the lock gets nuked on any error exit, basically.
189 /* save the current directory */
190 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
191 report(stderr, GT_("could not get current working directory\n"));
196 if ((parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
201 printf(GT_("This is fetchmail release %s"), VERSION);
204 #endif /* POP2_ENABLE */
207 #endif /* POP3_ENABLE */
210 #endif /* IMAP_ENABLE */
216 #endif /* RPA_ENABLE */
219 #endif /* NTLM_ENABLE */
222 #endif /* SDPS_ENABLE */
225 #endif /* ETRN_ENABLE */
228 #endif /* ODMR_ENABLE */
234 #endif /* OPIE_ENABLE */
237 #endif /* INET6_ENABLE */
238 #ifdef HAVE_PKG_hesiod
243 #endif /* NET_SECURITY */
246 #endif /* HAVE_SOCKS */
249 #endif /* ENABLE_NLS */
251 fputs("Fallback MDA: ", stdout);
253 fputs(FALLBACK_MDA, stdout);
255 fputs("(none)", stdout);
260 /* this is an attempt to help remote debugging */
264 /* avoid parsing the config file if all we're doing is killing a daemon */
265 if (!(quitmode && argc == 2))
266 implicitmode = load_params(argc, argv, optind);
268 #if defined(HAVE_SYSLOG)
269 /* logging should be set up early in case we were restarted from exec */
272 #if defined(LOG_MAIL)
273 openlog(program_name, LOG_PID, LOG_MAIL);
275 /* Assume BSD4.2 openlog with two arguments */
276 openlog(program_name, LOG_PID);
282 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
284 /* construct the lockfile */
287 #ifdef HAVE_SETRLIMIT
289 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
290 * Core dumps could otherwise contain passwords to be scavenged by a
293 if (outlevel < O_VERBOSE || run.poll_interval > 0)
295 struct rlimit corelimit;
296 corelimit.rlim_cur = 0;
297 corelimit.rlim_max = 0;
298 setrlimit(RLIMIT_CORE, &corelimit);
300 #endif /* HAVE_SETRLIMIT */
302 #define NETRC_FILE ".netrc"
303 /* parse the ~/.netrc file (if present) for future password lookups. */
304 netrc_file = prependdir (NETRC_FILE, home);
305 netrc_list = parse_netrc(netrc_file);
309 /* pick up passwords where we can */
310 for (ctl = querylist; ctl; ctl = ctl->next)
312 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
314 if (NO_PASSWORD(ctl))
315 /* Server won't care what the password is, but there
316 must be some non-null string here. */
317 ctl->password = ctl->remotename;
322 /* look up the pollname and account in the .netrc file. */
323 p = search_netrc(netrc_list,
324 ctl->server.pollname, ctl->remotename);
325 /* if we find a matching entry with a password, use it */
326 if (p && p->password)
327 ctl->password = xstrdup(p->password);
329 /* otherwise try with "via" name if there is one */
330 else if (ctl->server.via)
332 p = search_netrc(netrc_list,
333 ctl->server.via, ctl->remotename);
334 if (p && p->password)
335 ctl->password = xstrdup(p->password);
341 /* perhaps we just want to check options? */
344 int havercfile = access(rcfile, 0);
346 printf(GT_("Taking options from command line%s%s\n"),
347 havercfile ? "" : GT_(" and "),
348 havercfile ? "" : rcfile);
350 if (querylist == NULL)
352 GT_("No mailservers set up -- perhaps %s is missing?\n"),
355 dump_params(&run, querylist, implicitmode);
359 /* dump options as a Python dictionary, for configurator use */
362 dump_config(&run, querylist);
366 /* check for another fetchmail running concurrently */
369 pid = bkgd ? -pid : pid;
371 /* if no mail servers listed and nothing in background, we're done */
372 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
373 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
377 /* perhaps user asked us to kill the other fetchmail */
382 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
386 else if (getpid() == pid)
388 /* this test enables re-execing on a changed rcfile */
391 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
395 else if (kill(pid, SIGTERM) < 0)
397 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
398 bkgd ? GT_("background") : GT_("foreground"), pid);
403 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
404 bkgd ? GT_("background") : GT_("foreground"), pid);
413 /* another fetchmail is running -- wake it up or die */
419 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
422 else if (!implicitmode)
425 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
432 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
436 else if (getpid() == pid)
437 /* this test enables re-execing on a changed rcfile */
442 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
445 else if (kill(pid, SIGUSR1) == 0)
448 GT_("fetchmail: background fetchmail at %d awakened.\n"),
455 * Should never happen -- possible only if a background fetchmail
456 * croaks after the first kill probe above but before the
457 * SIGUSR1/SIGHUP transmission.
460 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
462 return(PS_UNDEFINED);
466 /* pick up interactively any passwords we need but don't have */
467 for (ctl = querylist; ctl; ctl = ctl->next)
469 if (ctl->active && !(implicitmode && ctl->server.skip)
470 && !NO_PASSWORD(ctl) && !ctl->password)
475 GT_("fetchmail: can't find a password for %s@%s.\n"),
476 ctl->remotename, ctl->server.pollname);
479 const char* password_prompt = GT_("Enter password for %s@%s: ");
481 xalloca(tmpbuf, char *, strlen(password_prompt) +
482 strlen(ctl->remotename) +
483 strlen(ctl->server.pollname) + 1);
484 (void) sprintf(tmpbuf, password_prompt,
485 ctl->remotename, ctl->server.pollname);
486 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
492 * Time to initiate the SOCKS library (this is not mandatory: it just
493 * registers the correct application name for logging purpose. If you
494 * have some problem, comment out these lines).
497 SOCKSinit("fetchmail");
498 #endif /* HAVE_SOCKS */
500 /* avoid zombies from plugins */
504 * Maybe time to go to demon mode...
506 if (run.poll_interval)
509 daemonize(run.logfile, terminate_run);
510 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
513 * We'll set up a handler for these when we're sleeping,
514 * but ignore them otherwise so as not to interrupt a poll.
516 set_signal_handler(SIGUSR1, SIG_IGN);
517 if (run.poll_interval && getuid() == ROOT_UID)
518 set_signal_handler(SIGHUP, SIG_IGN);
522 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
524 if (!freopen(run.logfile, "a", stdout))
525 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
526 if (!freopen(run.logfile, "a", stderr))
527 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
535 /* beyond here we don't want more than one fetchmail running per user */
537 set_signal_handler(SIGABRT, terminate_run);
538 set_signal_handler(SIGINT, terminate_run);
539 set_signal_handler(SIGTERM, terminate_run);
540 set_signal_handler(SIGALRM, terminate_run);
541 set_signal_handler(SIGPIPE, terminate_run);
542 set_signal_handler(SIGQUIT, terminate_run);
544 /* here's the exclusion lock */
548 * Query all hosts. If there's only one, the error return will
549 * reflect the status of that transaction.
553 * Check to see if the rcfile has been touched. If so,
554 * re-exec so the file will be reread. Doing it this way
555 * avoids all the complications of trying to deallocate the
556 * in-core control structures -- and the potential memory
561 if (stat(rcfile, &rcstat) == -1)
565 GT_("couldn't time-check %s (error %d)\n"),
568 else if (rcstat.st_mtime > parsetime)
570 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
573 /* restore the startup directory */
574 if (!currentwd[0] || chdir (currentwd) == -1)
575 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
579 * Matthias Andree: Isn't this prone to introduction of
580 * "false" programs by interfering with PATH? Those
581 * path-searching execs might not be the best ideas for
584 * Rob Funk: But is there any way for someone to modify
585 * the PATH variable of a running fetchmail? I don't know
588 * Dave's change makes fetchmail restart itself in exactly
589 * the way it was started from the shell (or shell script)
590 * in the first place. If you're concerned about PATH
591 * contamination, call fetchmail initially with a full
592 * path, and use Dave's patch.
594 * Not using a -p variant of exec means that the restart
595 * will break if both (a) the user depended on PATH to
596 * call fetchmail in the first place, and (b) the system
597 * doesn't save the whole path in argv[0] if the whole
598 * path wasn't used in the initial call. (If I recall
599 * correctly, Linux saves it but many other Unices don't.)
601 execvp(argv[0], argv);
602 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
605 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
607 * This was an efficiency hack that backfired. The theory
608 * was that using TCP/IP for DNS queries would get us better
609 * reliability and shave off some per-UDP-packet costs.
610 * Unfortunately it interacted badly with diald, which effectively
611 * filters out DNS queries over TCP/IP for reasons having to do
612 * with some obscure Linux kernel problem involving bootstrapping of
613 * dynamically-addressed links. I don't understand this mess
614 * and don't want to, so it's "See ya!" to this hack.
616 sethostent(TRUE); /* use TCP/IP for mailserver queries */
617 #endif /* HAVE_RES_SEARCH */
621 for (ctl = querylist; ctl; ctl = ctl->next)
625 if (!(implicitmode && ctl->server.skip))
630 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
631 ctl->server.pollname);
635 /* check skip interval first so that it counts all polls */
636 if (run.poll_interval && ctl->server.interval)
638 if (ctl->server.poll_count++ % ctl->server.interval)
640 if (outlevel >= O_VERBOSE)
642 GT_("interval not reached, not querying %s\n"),
643 ctl->server.pollname);
648 #if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
650 * Don't do monitoring if we were woken by a signal.
651 * Note that interface_approve() does its own error logging.
653 if (!interface_approve(&ctl->server, !lastsig))
655 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
657 dofastuidl = 0; /* this is reset in the driver if required */
659 querystatus = query_host(ctl);
661 if (NUM_NONZERO(ctl->fastuidl))
662 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
664 /* leave the UIDL state alone if there have been any errors */
666 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
669 uid_discard_new_list(ctl);
671 #endif /* POP3_ENABLE */
673 if (querystatus == PS_SUCCESS)
675 else if (!check_only &&
676 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
680 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
682 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
684 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
686 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
688 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
690 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
692 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
694 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
696 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
698 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
700 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
702 report(stdout,GT_("Query status=11 (DNS)\n")); break;
704 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
706 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
708 report(stdout,GT_("Query status=%d\n"),querystatus);
712 #if (defined(linux) && !defined(INET6_ENABLE)) || defined (__FreeBSD__)
713 if (ctl->server.monitor)
716 * Allow some time for the link to quiesce. One
717 * second is usually sufficient, three is safe.
718 * Note: this delay is important - don't remove!
721 interface_note_activity(&ctl->server);
723 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
727 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
728 endhostent(); /* release TCP/IP connection to nameserver */
729 #endif /* HAVE_RES_SEARCH */
731 /* close connections cleanly */
735 * OK, we've polled. Now sleep.
737 if (run.poll_interval)
740 * Because passwords can expire, it may happen that *all*
741 * hosts are now out of the loop due to authfail
742 * conditions. If this happens daemon-mode fetchmail
743 * should softly and silently vanish away, rather than
744 * spinning uselessly.
748 for (ctl = querylist; ctl; ctl = ctl->next)
749 if (ctl->active && !(implicitmode && ctl->server.skip))
754 report(stderr, GT_("All connections are wedged. Exiting.\n"));
755 /* FIXME: someday, send notification mail */
759 if (outlevel > O_SILENT)
761 GT_("sleeping at %s\n"), timestamp());
764 * With this simple hack, we make it possible for a foreground
765 * fetchmail to wake up one in daemon mode. What we want is the
766 * side effect of interrupting any sleep that may be going on,
767 * forcing fetchmail to re-poll its hosts. The second line is
768 * for people who think all system daemons wake up on SIGHUP.
770 set_signal_handler(SIGUSR1, donothing);
771 if (getuid() != ROOT_UID)
772 set_signal_handler(SIGHUP, donothing);
775 * OK, now pause until it's time for the next poll cycle.
776 * A nonzero return indicates we received a wakeup signal;
777 * unwedge all servers in case the problem has been
780 if ((lastsig = interruptible_idle(run.poll_interval)))
782 if (outlevel > O_SILENT)
783 #ifdef SYS_SIGLIST_DECLARED
785 GT_("awakened by %s\n"), sys_siglist[lastsig]);
788 GT_("awakened by signal %d\n"), lastsig);
790 for (ctl = querylist; ctl; ctl = ctl->next)
794 if (outlevel > O_SILENT)
795 report(stdout, GT_("awakened at %s\n"), timestamp());
800 if (outlevel >= O_VERBOSE)
801 report(stdout, GT_("normal termination, status %d\n"),
802 successes ? PS_SUCCESS : querystatus);
808 else if (querystatus)
811 /* in case we interrupted before a successful fetch */
815 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
818 * If force is off, modify dstl fields only when they're empty (treat srcl
819 * as defaults). If force is on, modify each dstl field whenever scrcl
820 * is nonempty (treat srcl as an override).
822 if (force ? !!*srcl : !*dstl)
824 struct idlist *cpl = copy_str_list(*srcl);
826 append_str_list(dstl, &cpl);
830 static void optmerge(struct query *h2, struct query *h1, int force)
831 /* merge two options records */
833 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
834 list_merge(&h2->localnames, &h1->localnames, force);
835 list_merge(&h2->mailboxes, &h1->mailboxes, force);
836 list_merge(&h2->smtphunt, &h1->smtphunt, force);
837 list_merge(&h2->domainlist, &h1->domainlist, force);
838 list_merge(&h2->antispam, &h1->antispam, force);
840 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
841 FLAG_MERGE(server.via);
842 FLAG_MERGE(server.protocol);
844 FLAG_MERGE(server.service);
845 FLAG_MERGE(server.netsec);
846 #else /* INET6_ENABLE */
847 FLAG_MERGE(server.port);
848 #endif /* INET6_ENABLE */
849 FLAG_MERGE(server.interval);
850 FLAG_MERGE(server.authenticate);
851 FLAG_MERGE(server.timeout);
852 FLAG_MERGE(server.envelope);
853 FLAG_MERGE(server.envskip);
854 FLAG_MERGE(server.qvirtual);
855 FLAG_MERGE(server.skip);
856 FLAG_MERGE(server.dns);
857 FLAG_MERGE(server.checkalias);
858 FLAG_MERGE(server.uidl);
859 FLAG_MERGE(server.principal);
861 #if defined(linux) || defined(__FreeBSD__)
862 FLAG_MERGE(server.interface);
863 FLAG_MERGE(server.monitor);
864 FLAG_MERGE(server.interface_pair);
865 #endif /* linux || defined(__FreeBSD__) */
867 FLAG_MERGE(server.plugin);
868 FLAG_MERGE(server.plugout);
869 FLAG_MERGE(server.tracepolls);
871 FLAG_MERGE(wildcard);
872 FLAG_MERGE(remotename);
873 FLAG_MERGE(password);
876 FLAG_MERGE(listener);
877 FLAG_MERGE(smtpaddress);
878 FLAG_MERGE(smtpname);
879 FLAG_MERGE(preconnect);
880 FLAG_MERGE(postconnect);
884 FLAG_MERGE(fetchall);
888 FLAG_MERGE(pass8bits);
889 FLAG_MERGE(dropstatus);
890 FLAG_MERGE(dropdelivered);
891 FLAG_MERGE(mimedecode);
894 FLAG_MERGE(warnings);
895 FLAG_MERGE(fetchlimit);
896 FLAG_MERGE(fetchsizelimit);
897 FLAG_MERGE(fastuidl);
898 FLAG_MERGE(batchlimit);
903 FLAG_MERGE(sslproto);
904 FLAG_MERGE(sslcertck);
905 FLAG_MERGE(sslcertpath);
906 FLAG_MERGE(sslfingerprint);
910 FLAG_MERGE(properties);
914 static int load_params(int argc, char **argv, int optind)
916 int implicitmode, st;
918 struct query def_opts, *ctl;
922 run.bouncemail = TRUE;
923 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
925 memset(&def_opts, '\0', sizeof(struct query));
926 def_opts.smtp_socket = -1;
927 def_opts.smtpaddress = (char *)0;
928 def_opts.smtpname = (char *)0;
929 def_opts.server.protocol = P_AUTO;
930 def_opts.server.timeout = CLIENT_TIMEOUT;
931 def_opts.server.esmtp_name = user;
932 def_opts.warnings = WARNING_INTERVAL;
933 def_opts.remotename = user;
934 def_opts.listener = SMTP_MODE;
935 def_opts.fetchsizelimit = 100;
936 def_opts.fastuidl = 10;
938 /* get the location of rcfile */
940 p = strrchr (rcfile, '/');
941 if (p && (p - rcfile) < sizeof (rcfiledir)) {
942 *p = 0; /* replace '/' by '0' */
943 strcpy (rcfiledir, rcfile);
944 *p = '/'; /* restore '/' */
945 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
946 strcpy (rcfiledir, "/");
949 /* note the parse time, so we can pick up on modifications */
950 parsetime = 0; /* foil compiler warnings */
951 if (stat(rcfile, &rcstat) != -1)
952 parsetime = rcstat.st_mtime;
953 else if (errno != ENOENT)
954 report(stderr, GT_("couldn't time-check the run-control file\n"));
956 /* this builds the host list */
957 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
959 * FIXME: someday, send notification mail here if backgrounded.
960 * Right now, that can happen if the user changes the rcfile
961 * while the fetchmail is running in background. Do similarly
962 * for the other exit() calls in this function.
966 if ((implicitmode = (optind >= argc)))
968 for (ctl = querylist; ctl; ctl = ctl->next)
969 ctl->active = !ctl->server.skip;
972 for (; optind < argc; optind++)
974 flag predeclared = FALSE;
977 * If hostname corresponds to a host known from the rc file,
978 * simply declare it active. Otherwise synthesize a host
979 * record from command line and defaults
981 for (ctl = querylist; ctl; ctl = ctl->next)
982 if (!strcmp(ctl->server.pollname, argv[optind])
983 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
985 /* Is this correct? */
986 if (predeclared && outlevel == O_VERBOSE)
987 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
995 * Allocate and link record without copying in
996 * command-line args; we'll do that with the optmerge
999 ctl = hostalloc((struct query *)NULL);
1001 ctl->server.pollname = xstrdup(argv[optind]);
1003 ctl->server.lead_server = (struct hostdata *)NULL;
1008 * If there's a defaults record, merge it and lose it.
1010 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
1012 for (ctl = querylist->next; ctl; ctl = ctl->next)
1013 optmerge(ctl, querylist, FALSE);
1014 querylist = querylist->next;
1017 /* don't allow a defaults record after the first */
1018 for (ctl = querylist; ctl; ctl = ctl->next)
1019 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1022 /* use localhost if we never fetch the FQDN of this host */
1023 fetchmailhost = "localhost";
1025 /* here's where we override globals */
1026 if (cmd_run.logfile)
1027 run.logfile = cmd_run.logfile;
1029 run.idfile = cmd_run.idfile;
1030 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1031 if (cmd_run.poll_interval >= 0)
1032 run.poll_interval = cmd_run.poll_interval;
1033 if (cmd_run.invisible)
1034 run.invisible = cmd_run.invisible;
1035 if (cmd_run.showdots)
1036 run.showdots = cmd_run.showdots;
1037 if (cmd_run.use_syslog)
1038 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1039 if (cmd_run.postmaster)
1040 run.postmaster = cmd_run.postmaster;
1041 if (cmd_run.bouncemail)
1042 run.bouncemail = cmd_run.bouncemail;
1044 /* check and daemon options are not compatible */
1045 if (check_only && run.poll_interval)
1046 run.poll_interval = 0;
1049 * DNS support is required for some protocols. We used to
1050 * do this unconditionally, but it made fetchmail excessively
1051 * vulnerable to misconfigured DNS setups.
1053 * If we're using ETRN or ODMR, the smtp hunt list is the
1054 * list of systems we're polling on behalf of; these have
1055 * to be fully-qualified domain names. The default for
1056 * this list should be the FQDN of localhost.
1058 * If we're using Kerberos for authentication, we need
1059 * the FQDN in order to generate capability keys.
1061 if (strcmp(fetchmailhost, "localhost") == 0)
1062 for (ctl = querylist; ctl; ctl = ctl->next)
1064 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1065 || ctl->server.authenticate == A_KERBEROS_V4
1066 || ctl->server.authenticate == A_KERBEROS_V5))
1068 fetchmailhost = host_fqdn();
1072 /* this code enables flags to be turned off */
1073 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1075 else if (flag == FLAG_FALSE)\
1079 /* one global gets treated specially */
1080 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1082 /* merge in wired defaults, do sanity checks and prepare internal fields */
1083 for (ctl = querylist; ctl; ctl = ctl->next)
1085 ctl->wedged = FALSE;
1087 /* merge in defaults */
1088 optmerge(ctl, &def_opts, FALSE);
1090 /* force command-line options */
1091 optmerge(ctl, &cmd_opts, TRUE);
1094 * queryname has to be set up for inactive servers too.
1095 * Otherwise the UIDL code core-dumps on startup.
1097 if (ctl->server.via)
1098 ctl->server.queryname = xstrdup(ctl->server.via);
1100 ctl->server.queryname = xstrdup(ctl->server.pollname);
1103 * We no longer do DNS lookups at startup.
1104 * This is a kluge. It enables users to edit their
1105 * configurations when DNS isn't available.
1107 ctl->server.truename = xstrdup(ctl->server.queryname);
1109 if (configdump || ctl->active )
1111 DEFAULT(ctl->keep, FALSE);
1112 DEFAULT(ctl->fetchall, FALSE);
1113 DEFAULT(ctl->flush, FALSE);
1114 DEFAULT(ctl->rewrite, TRUE);
1115 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1116 DEFAULT(ctl->forcecr, FALSE);
1117 DEFAULT(ctl->pass8bits, FALSE);
1118 DEFAULT(ctl->dropstatus, FALSE);
1119 DEFAULT(ctl->dropdelivered, FALSE);
1120 DEFAULT(ctl->mimedecode, FALSE);
1121 DEFAULT(ctl->idle, FALSE);
1122 DEFAULT(ctl->server.dns, TRUE);
1123 DEFAULT(ctl->server.uidl, FALSE);
1124 DEFAULT(ctl->use_ssl, FALSE);
1125 DEFAULT(ctl->sslcertck, FALSE);
1126 DEFAULT(ctl->server.checkalias, FALSE);
1129 * XXX FIXME: do we need this check or can we rely on the .y
1130 * parser handling this?
1134 report(stderr, GT_("SSL support is not compiled in.\n"));
1137 #endif /* SSL_ENABLE */
1141 * Make sure we have a nonempty host list to forward to.
1144 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1147 * Make sure we have a nonempty list of domains to fetch from.
1149 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1150 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1152 /* if `user' doesn't name a real local user, try to run as root */
1153 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1156 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1157 if (!ctl->localnames) /* for local delivery via SMTP */
1158 save_str_pair(&ctl->localnames, user, NULL);
1160 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1161 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1162 if (MULTIDROP(ctl) && ctl->server.dns)
1164 ctl->server.dns = FALSE;
1165 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1167 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1170 * can't handle multidrop mailboxes without "envelope"
1171 * option, this causes truckloads full of support complaints
1172 * "all mail forwarded to postmaster"
1174 if (MULTIDROP(ctl) && !ctl->server.envelope)
1176 report(stderr, GT_("warning: multidrop for %s requires envelope option!\n"), ctl->server.pollname);
1177 report(stderr, GT_("warning: Do not ask for support if all mail goes to postmaster!\n"));
1180 /* if no folders were specified, set up the null one as default */
1181 if (!ctl->mailboxes)
1182 save_str(&ctl->mailboxes, (char *)NULL, 0);
1184 /* maybe user overrode timeout on command line? */
1185 if (ctl->server.timeout == -1)
1186 ctl->server.timeout = CLIENT_TIMEOUT;
1188 #ifndef INET6_ENABLE
1190 if (ctl->server.port < 0)
1192 (void) fprintf(stderr,
1193 GT_("%s configuration invalid, port number cannot be negative\n"),
1194 ctl->server.pollname);
1197 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1199 (void) fprintf(stderr,
1200 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1201 ctl->server.pollname);
1204 if (ctl->listener == LMTP_MODE)
1208 for (idp = ctl->smtphunt; idp; idp = idp->next)
1212 if (!(cp = strrchr(idp->id, '/')) ||
1213 (atoi(++cp) == SMTP_PORT))
1215 (void) fprintf(stderr,
1216 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1217 ctl->server.pollname);
1222 #endif /* !INET6_ENABLE */
1225 * "I beg to you, have mercy on the week minds like myself."
1226 * wrote Pehr Anderson. Your petition is granted.
1228 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1230 (void) fprintf(stderr,
1231 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1238 /* initialize UID handling */
1239 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1242 initialize_saved_lists(querylist, run.idfile);
1243 #endif /* POP3_ENABLE */
1246 * If the user didn't set a last-resort user to get misaddressed
1247 * multidrop mail, set an appropriate default here.
1249 if (!run.postmaster)
1251 if (getuid() != ROOT_UID) /* ordinary user */
1252 run.postmaster = user;
1254 run.postmaster = "postmaster";
1257 return(implicitmode);
1260 static RETSIGTYPE terminate_poll(int sig)
1261 /* to be executed at the end of a poll cycle */
1264 * Close all SMTP delivery sockets. For optimum performance
1265 * we'd like to hold them open til end of run, but (1) this
1266 * loses if our poll interval is longer than the MTA's inactivity
1267 * timeout, and (2) some MTAs (like smail) don't deliver after
1268 * each message, but rather queue up mail and wait to actually
1269 * deliver it until the input socket is closed.
1271 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1272 * subtle bug. If fetchmail was terminated by signal while it was
1273 * shipping message text, it would hang forever waiting for a
1274 * command acknowledge. In theory we could enable the QUIT
1275 * only outside of the message send. In practice, we don't
1276 * care. All mailservers hang up on a dropped TCP/IP connection
1281 report(stdout, GT_("terminated with signal %d\n"), sig);
1286 /* terminate all SMTP connections cleanly */
1287 for (ctl = querylist; ctl; ctl = ctl->next)
1288 if (ctl->smtp_socket != -1)
1290 /* don't send QUIT for ODMR case because we're acting
1291 as a proxy between the SMTP server and client. */
1292 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1298 * Update UID information at end of each poll, rather than at end
1299 * of run, because that way we don't lose all UIDL information since
1300 * the beginning of time if fetchmail crashes.
1303 write_saved_lists(querylist, run.idfile);
1304 #endif /* POP3_ENABLE */
1307 static RETSIGTYPE terminate_run(int sig)
1308 /* to be executed on normal or signal-induced termination */
1312 terminate_poll(sig);
1315 * Craig Metz, the RFC1938 one-time-password guy, points out:
1316 * "Remember that most kernels don't zero pages before handing them to the
1317 * next process and many kernels share pages between user and kernel space.
1318 * You'd be very surprised what you can find from a short program to do a
1319 * malloc() and then dump the contents of the pages you got. By zeroing
1320 * the secrets at end of run (earlier if you can), you make sure the next
1321 * guy can't get the password/pass phrase."
1323 * Right you are, Craig!
1325 for (ctl = querylist; ctl; ctl = ctl->next)
1327 memset(ctl->password, '\0', strlen(ctl->password));
1329 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1333 if (activecount == 0)
1336 exit(successes ? PS_SUCCESS : querystatus);
1340 * Sequence of protocols to try when autoprobing, most capable to least.
1342 static const int autoprobe[] =
1346 #endif /* IMAP_ENABLE */
1349 #endif /* POP3_ENABLE */
1352 #endif /* POP2_ENABLE */
1355 static int query_host(struct query *ctl)
1356 /* perform fetch transaction with single host */
1361 * If we're syslogging the progress messages are automatically timestamped.
1362 * Force timestamping if we're going to a logfile.
1364 if (outlevel >= O_VERBOSE)
1366 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1368 ctl->server.pollname,
1369 showproto(ctl->server.protocol),
1373 switch (ctl->server.protocol) {
1375 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1377 ctl->server.protocol = autoprobe[i];
1379 st = query_host(ctl);
1382 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1385 ctl->server.protocol = P_AUTO;
1391 report(stderr, GT_("POP2 support is not configured.\n"));
1393 #endif /* POP2_ENABLE */
1401 } while (st == PS_REPOLL);
1403 report(stderr, GT_("POP3 support is not configured.\n"));
1405 #endif /* POP3_ENABLE */
1411 } while (st == PS_REPOLL);
1413 report(stderr, GT_("IMAP support is not configured.\n"));
1415 #endif /* IMAP_ENABLE */
1419 report(stderr, GT_("ETRN support is not configured.\n"));
1422 #ifdef HAVE_GETHOSTBYNAME
1425 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1427 #endif /* HAVE_GETHOSTBYNAME */
1429 #endif /* ETRN_ENABLE */
1432 report(stderr, GT_("ODMR support is not configured.\n"));
1435 #ifdef HAVE_GETHOSTBYNAME
1438 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1440 #endif /* HAVE_GETHOSTBYNAME */
1441 #endif /* ODMR_ENABLE */
1444 report(stderr, GT_("unsupported protocol selected.\n"));
1449 * If we're syslogging the progress messages are automatically timestamped.
1450 * Force timestamping if we're going to a logfile.
1452 if (outlevel >= O_VERBOSE)
1454 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1456 ctl->server.pollname,
1457 showproto(ctl->server.protocol),
1464 static void dump_params (struct runctl *runp,
1465 struct query *querylist, flag implicit)
1466 /* display query parameters in English */
1470 if (runp->poll_interval)
1471 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1473 printf(GT_("Logfile is %s\n"), runp->logfile);
1474 if (strcmp(runp->idfile, IDFILE_NAME))
1475 printf(GT_("Idfile is %s\n"), runp->idfile);
1476 #if defined(HAVE_SYSLOG)
1477 if (runp->use_syslog)
1478 printf(GT_("Progress messages will be logged via syslog\n"));
1480 if (runp->invisible)
1481 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1483 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1484 if (runp->postmaster)
1485 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1488 if (!runp->bouncemail)
1489 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1490 else if (outlevel >= O_VERBOSE)
1491 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1493 for (ctl = querylist; ctl; ctl = ctl->next)
1495 if (!ctl->active || (implicit && ctl->server.skip))
1498 printf(GT_("Options for retrieving from %s@%s:\n"),
1499 ctl->remotename, visbuf(ctl->server.pollname));
1501 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1502 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1504 if (ctl->server.interval)
1505 printf(ngettext(" Poll of this server will occur every %d interval.\n",
1506 " Poll of this server will occur every %d intervals.\n",
1507 ctl->server.interval), ctl->server.interval);
1508 if (ctl->server.truename)
1509 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1510 if (ctl->server.skip || outlevel >= O_VERBOSE)
1511 printf(ctl->server.skip
1512 ? GT_(" This host will not be queried when no host is specified.\n")
1513 : GT_(" This host will be queried when no host is specified.\n"));
1514 if (!NO_PASSWORD(ctl))
1517 printf(GT_(" Password will be prompted for.\n"));
1518 else if (outlevel >= O_VERBOSE)
1520 if (ctl->server.protocol == P_APOP)
1521 printf(GT_(" APOP secret = \"%s\".\n"),
1522 visbuf(ctl->password));
1523 else if (ctl->server.protocol == P_RPOP)
1524 printf(GT_(" RPOP id = \"%s\".\n"),
1525 visbuf(ctl->password));
1527 printf(GT_(" Password = \"%s\".\n"),
1528 visbuf(ctl->password));
1532 if (ctl->server.protocol == P_POP3
1534 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1535 #else /* INET6_ENABLE */
1536 && ctl->server.port == KPOP_PORT
1537 #endif /* INET6_ENABLE */
1538 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1539 ctl->server.authenticate == A_KERBEROS_V5))
1540 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1541 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1543 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1545 if (ctl->server.service)
1546 printf(GT_(" (using service %s)"), ctl->server.service);
1547 if (ctl->server.netsec)
1548 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1549 #else /* INET6_ENABLE */
1550 if (ctl->server.port)
1551 printf(GT_(" (using port %d)"), ctl->server.port);
1552 #endif /* INET6_ENABLE */
1553 else if (outlevel >= O_VERBOSE)
1554 printf(GT_(" (using default port)"));
1555 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1556 printf(GT_(" (forcing UIDL use)"));
1559 switch (ctl->server.authenticate)
1562 printf(GT_(" All available authentication methods will be tried.\n"));
1565 printf(GT_(" Password authentication will be forced.\n"));
1568 printf(GT_(" NTLM authentication will be forced.\n"));
1571 printf(GT_(" OTP authentication will be forced.\n"));
1574 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1577 printf(GT_(" GSSAPI authentication will be forced.\n"));
1580 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1583 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1586 printf(GT_(" End-to-end encryption assumed.\n"));
1589 if (ctl->server.principal != (char *) NULL)
1590 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1593 printf(GT_(" SSL encrypted sessions enabled.\n"));
1595 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1596 if (ctl->sslcertck) {
1597 printf(GT_(" SSL server certificate checking enabled.\n"));
1598 if (ctl->sslcertpath != NULL)
1599 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1601 if (ctl->sslfingerprint != NULL)
1602 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1604 if (ctl->server.timeout > 0)
1605 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1606 if (ctl->server.timeout == CLIENT_TIMEOUT)
1607 printf(GT_(" (default).\n"));
1611 if (MAILBOX_PROTOCOL(ctl))
1613 if (!ctl->mailboxes->id)
1614 printf(GT_(" Default mailbox selected.\n"));
1619 printf(GT_(" Selected mailboxes are:"));
1620 for (idp = ctl->mailboxes; idp; idp = idp->next)
1621 printf(" %s", (char *)idp->id);
1624 printf(ctl->fetchall
1625 ? GT_(" All messages will be retrieved (--all on).\n")
1626 : GT_(" Only new messages will be retrieved (--all off).\n"));
1628 ? GT_(" Fetched messages will be kept on the server (--keep on).\n")
1629 : GT_(" Fetched messages will not be kept on the server (--keep off).\n"));
1631 ? GT_(" Old messages will be flushed before message retrieval (--flush on).\n")
1632 : GT_(" Old messages will not be flushed before message retrieval (--flush off).\n"));
1634 ? GT_(" Rewrite of server-local addresses is enabled (--norewrite off).\n")
1635 : GT_(" Rewrite of server-local addresses is disabled (--norewrite on).\n"));
1637 ? GT_(" Carriage-return stripping is enabled (stripcr on).\n")
1638 : GT_(" Carriage-return stripping is disabled (stripcr off).\n"));
1640 ? GT_(" Carriage-return forcing is enabled (forcecr on).\n")
1641 : GT_(" Carriage-return forcing is disabled (forcecr off).\n"));
1642 printf(ctl->pass8bits
1643 ? GT_(" Interpretation of Content-Transfer-Encoding is disabled (pass8bits on).\n")
1644 : GT_(" Interpretation of Content-Transfer-Encoding is enabled (pass8bits off).\n"));
1645 printf(ctl->mimedecode
1646 ? GT_(" MIME decoding is enabled (mimedecode on).\n")
1647 : GT_(" MIME decoding is disabled (mimedecode off).\n"));
1649 ? GT_(" Idle after poll is enabled (idle on).\n")
1650 : GT_(" Idle after poll is disabled (idle off).\n"));
1651 printf(ctl->dropstatus
1652 ? GT_(" Nonempty Status lines will be discarded (dropstatus on)\n")
1653 : GT_(" Nonempty Status lines will be kept (dropstatus off)\n"));
1654 printf(ctl->dropdelivered
1655 ? GT_(" Delivered-To lines will be discarded (dropdelivered on)\n")
1656 : GT_(" Delivered-To lines will be kept (dropdelivered off)\n")); if (NUM_NONZERO(ctl->limit))
1658 if (NUM_NONZERO(ctl->limit))
1659 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1660 ctl->limit, ctl->limit);
1661 else if (outlevel >= O_VERBOSE)
1662 printf(GT_(" No message size limit (--limit 0).\n"));
1663 if (run.poll_interval > 0)
1664 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1665 ctl->warnings, ctl->warnings);
1666 else if (outlevel >= O_VERBOSE)
1667 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1669 if (NUM_NONZERO(ctl->fetchlimit))
1670 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1671 ctl->fetchlimit, ctl->fetchlimit);
1672 else if (outlevel >= O_VERBOSE)
1673 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1674 if (NUM_NONZERO(ctl->fetchsizelimit))
1675 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1676 ctl->fetchsizelimit, ctl->fetchsizelimit);
1677 else if (outlevel >= O_VERBOSE)
1678 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1679 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1681 if (ctl->fastuidl == 1)
1682 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1684 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1686 else if (outlevel >= O_VERBOSE)
1687 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1688 if (NUM_NONZERO(ctl->batchlimit))
1689 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1690 else if (outlevel >= O_VERBOSE)
1691 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1692 if (MAILBOX_PROTOCOL(ctl))
1694 if (NUM_NONZERO(ctl->expunge))
1695 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1696 else if (outlevel >= O_VERBOSE)
1697 printf(GT_(" No forced expunges (--expunge 0).\n"));
1700 else /* ODMR or ETRN */
1704 printf(GT_(" Domains for which mail will be fetched are:"));
1705 for (idp = ctl->domainlist; idp; idp = idp->next)
1707 printf(" %s", (char *)idp->id);
1708 if (!idp->val.status.mark)
1709 printf(GT_(" (default)"));
1714 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1715 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1716 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1723 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1725 for (idp = ctl->smtphunt; idp; idp = idp->next)
1727 printf(" %s", (char *)idp->id);
1728 if (!idp->val.status.mark)
1729 printf(GT_(" (default)"));
1733 if (ctl->smtpaddress)
1734 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1737 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1740 if (MAILBOX_PROTOCOL(ctl))
1742 if (ctl->antispam != (struct idlist *)NULL)
1746 printf(GT_(" Recognized listener spam block responses are:"));
1747 for (idp = ctl->antispam; idp; idp = idp->next)
1748 printf(" %d", idp->val.status.num);
1751 else if (outlevel >= O_VERBOSE)
1752 printf(GT_(" Spam-blocking disabled\n"));
1754 if (ctl->preconnect)
1755 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1756 visbuf(ctl->preconnect));
1757 else if (outlevel >= O_VERBOSE)
1758 printf(GT_(" No pre-connection command.\n"));
1759 if (ctl->postconnect)
1760 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1761 visbuf(ctl->postconnect));
1762 else if (outlevel >= O_VERBOSE)
1763 printf(GT_(" No post-connection command.\n"));
1764 if (MAILBOX_PROTOCOL(ctl)) {
1765 if (!ctl->localnames)
1766 printf(GT_(" No localnames declared for this host.\n"));
1772 for (idp = ctl->localnames; idp; idp = idp->next)
1775 if (count > 1 || ctl->wildcard)
1776 printf(GT_(" Multi-drop mode: "));
1778 printf(GT_(" Single-drop mode: "));
1780 printf(ngettext("%d local name recognized.\n", "%d local names recognized.\n", count), count);
1781 if (outlevel >= O_VERBOSE)
1783 for (idp = ctl->localnames; idp; idp = idp->next)
1785 printf("\t%s -> %s\n", (char *)idp->id, (char *)idp->val.id2);
1787 printf("\t%s\n", (char *)idp->id);
1789 fputs("\t*\n", stdout);
1792 if (count > 1 || ctl->wildcard)
1794 printf(ctl->server.dns
1795 ? GT_(" DNS lookup for multidrop addresses is enabled.\n")
1796 : GT_(" DNS lookup for multidrop addresses is disabled.\n"));
1797 if (ctl->server.dns)
1799 if (ctl->server.checkalias)
1800 printf(GT_(" Server aliases will be compared with multidrop addresses by IP address.\n"));
1802 printf(GT_(" Server aliases will be compared with multidrop addresses by name.\n"));
1804 if (ctl->server.envelope == STRING_DISABLED)
1805 printf(GT_(" Envelope-address routing is disabled\n"));
1808 printf(GT_(" Envelope header is assumed to be: %s\n"),
1809 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1810 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1811 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1812 ctl->server.envskip);
1813 if (ctl->server.qvirtual)
1814 printf(GT_(" Prefix %s will be removed from user id\n"),
1815 ctl->server.qvirtual);
1816 else if (outlevel >= O_VERBOSE)
1817 printf(GT_(" No prefix stripping\n"));
1820 if (ctl->server.akalist)
1824 printf(GT_(" Predeclared mailserver aliases:"));
1825 for (idp = ctl->server.akalist; idp; idp = idp->next)
1826 printf(" %s", (char *)idp->id);
1829 if (ctl->server.localdomains)
1833 printf(GT_(" Local domains:"));
1834 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1835 printf(" %s", (char *)idp->id);
1841 #if defined(linux) || defined(__FreeBSD__)
1842 if (ctl->server.interface)
1843 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1844 else if (outlevel >= O_VERBOSE)
1845 printf(GT_(" No interface requirement specified.\n"));
1846 if (ctl->server.monitor)
1847 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1848 else if (outlevel >= O_VERBOSE)
1849 printf(GT_(" No monitor interface specified.\n"));
1852 if (ctl->server.plugin)
1853 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1854 else if (outlevel >= O_VERBOSE)
1855 printf(GT_(" No plugin command specified.\n"));
1856 if (ctl->server.plugout)
1857 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1858 else if (outlevel >= O_VERBOSE)
1859 printf(GT_(" No plugout command specified.\n"));
1861 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1864 printf(GT_(" No UIDs saved from this host.\n"));
1870 for (idp = ctl->oldsaved; idp; idp = idp->next)
1873 printf(GT_(" %d UIDs saved.\n"), count);
1874 if (outlevel >= O_VERBOSE)
1875 for (idp = ctl->oldsaved; idp; idp = idp->next)
1876 printf("\t%s\n", (char *)idp->id);
1880 if (ctl->server.tracepolls)
1881 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1882 else if (outlevel >= O_VERBOSE)
1883 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1885 if (ctl->properties)
1886 printf(GT_(" Pass-through properties \"%s\".\n"),
1887 visbuf(ctl->properties));
1891 /* fetchmail.c ends here */