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>
28 #include <sys/time.h> /* needed for Sun 4.1.2 */
30 #include <sys/resource.h>
31 #endif /* HAVE_SETRLIMIT */
32 #include <sys/utsname.h>
34 #include "fetchmail.h"
42 #define ENETUNREACH 128 /* Interactive doesn't know this */
43 #endif /* ENETUNREACH */
45 /* prototypes for internal functions */
46 static int load_params(int, char **, int);
47 static void dump_params (struct runctl *runp, struct query *, flag implicit);
48 static int query_host(struct query *);
50 /* controls the detail level of status/progress messages written to stderr */
51 int outlevel; /* see the O_.* constants above */
53 /* miscellaneous global controls */
54 struct runctl run; /* global controls for this run */
55 flag nodetach; /* if TRUE, don't detach daemon process */
56 flag quitmode; /* if --quit was set */
57 flag check_only; /* if --probe was set */
58 flag versioninfo; /* emit only version info */
59 char *user; /* the name of the invoking user */
60 char *home; /* invoking user's home directory */
61 char *fmhome; /* fetchmail's home directory */
62 char *program_name; /* the name to prefix error messages with */
63 flag configdump; /* dump control blocks for configurator */
64 char *fetchmailhost; /* either `localhost' or the host's FQDN */
69 #endif /* NET_SECURITY */
71 static int querystatus; /* status of query */
72 static int successes; /* count number of successful polls */
73 static int activecount; /* count number of active entries */
74 static struct runctl cmd_run; /* global options set from command line */
75 static time_t parsetime; /* time of last parse */
77 static RETSIGTYPE terminate_run(int);
78 static RETSIGTYPE terminate_poll(int);
80 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
81 /* drop SGID kmem privileage until we need it */
82 static void dropprivs(void)
92 if (gr && !strcmp(gr->gr_name, "kmem"))
94 extern void interface_set_gids(gid_t egid, gid_t rgid);
95 interface_set_gids(egid, rgid);
101 #if defined(HAVE_SETLOCALE) && defined(ENABLE_NLS) && defined(HAVE_STRFTIME)
104 static char *timestamp (void)
110 setlocale (LC_TIME, "");
111 strftime (buf, sizeof (buf), "%c", localtime(&now));
112 setlocale (LC_TIME, "C");
116 #define timestamp rfc822timestamp
119 static RETSIGTYPE donothing(int sig)
121 extern volatile int lastsig; /* declared in idle.c */
122 set_signal_handler(sig, donothing);
126 int main(int argc, char **argv)
129 int parsestatus, implicitmode = FALSE;
131 netrc_entry *netrc_list;
132 char *netrc_file, *tmpbuf;
136 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
140 envquery(argc, argv);
142 setlocale (LC_ALL, "");
143 bindtextdomain(PACKAGE, LOCALEDIR);
148 * Note: because we can't initialize reporting before we know whether
149 * syslog is supposed to be on, this message will go to stdout and
150 * be lost when running in background.
152 if (outlevel >= O_VERBOSE)
156 report(stdout, GT_("fetchmail: invoked with"));
157 for (i = 0; i < argc; i++)
158 report(stdout, " %s", argv[i]);
159 report(stdout, "\n");
162 #define IDFILE_NAME ".fetchids"
163 run.idfile = prependdir (IDFILE_NAME, fmhome);
168 * We used to arrange for the lock to be removed on exit close
169 * to where the lock was asserted. Now we need to do it here, because
170 * we might have re-executed in background with an existing lock
171 * as the result of a changed rcfile (see the code near the execvp(3)
172 * call near the beginning of the polling loop for details). We want
173 * to be sure the lock gets nuked on any error exit, basically.
178 /* save the current directory */
179 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
180 report(stderr, GT_("could not get current working directory\n"));
185 if ((parsestatus = parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
190 printf(GT_("This is fetchmail release %s"), VERSION);
193 #endif /* POP2_ENABLE */
196 #endif /* POP3_ENABLE */
199 #endif /* IMAP_ENABLE */
205 #endif /* RPA_ENABLE */
208 #endif /* NTLM_ENABLE */
211 #endif /* SDPS_ENABLE */
214 #endif /* ETRN_ENABLE */
217 #endif /* ODMR_ENABLE */
223 #endif /* OPIE_ENABLE */
226 #endif /* INET6_ENABLE */
229 #endif /* NET_SECURITY */
232 #endif /* HAVE_SOCKS */
235 #endif /* ENABLE_NLS */
237 fputs("Fallback MDA: ", stdout);
239 fputs(FALLBACK_MDA, stdout);
241 fputs("(none)", stdout);
246 /* this is an attempt to help remote debugging */
250 /* avoid parsing the config file if all we're doing is killing a daemon */
251 if (!(quitmode && argc == 2))
252 implicitmode = load_params(argc, argv, optind);
254 #if defined(HAVE_SYSLOG)
255 /* logging should be set up early in case we were restarted from exec */
258 #if defined(LOG_MAIL)
259 openlog(program_name, LOG_PID, LOG_MAIL);
261 /* Assume BSD4.2 openlog with two arguments */
262 openlog(program_name, LOG_PID);
268 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
270 /* construct the lockfile */
273 #ifdef HAVE_SETRLIMIT
275 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
276 * Core dumps could otherwise contain passwords to be scavenged by a
279 if (outlevel < O_VERBOSE || run.poll_interval > 0)
281 struct rlimit corelimit;
282 corelimit.rlim_cur = 0;
283 corelimit.rlim_max = 0;
284 setrlimit(RLIMIT_CORE, &corelimit);
286 #endif /* HAVE_SETRLIMIT */
288 #define NETRC_FILE ".netrc"
289 /* parse the ~/.netrc file (if present) for future password lookups. */
290 netrc_file = prependdir (NETRC_FILE, home);
291 netrc_list = parse_netrc(netrc_file);
294 /* pick up passwords where we can */
295 for (ctl = querylist; ctl; ctl = ctl->next)
297 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
299 if (NO_PASSWORD(ctl))
300 /* Server won't care what the password is, but there
301 must be some non-null string here. */
302 ctl->password = ctl->remotename;
307 /* look up the pollname and account in the .netrc file. */
308 p = search_netrc(netrc_list,
309 ctl->server.pollname, ctl->remotename);
310 /* if we find a matching entry with a password, use it */
311 if (p && p->password)
312 ctl->password = xstrdup(p->password);
314 /* otherwise try with "via" name if there is one */
315 else if (ctl->server.via)
317 p = search_netrc(netrc_list,
318 ctl->server.via, ctl->remotename);
319 if (p && p->password)
320 ctl->password = xstrdup(p->password);
326 /* perhaps we just want to check options? */
329 int havercfile = access(rcfile, 0);
331 printf(GT_("Taking options from command line%s%s\n"),
332 havercfile ? "" : GT_(" and "),
333 havercfile ? "" : rcfile);
335 if (querylist == NULL)
337 GT_("No mailservers set up -- perhaps %s is missing?\n"),
340 dump_params(&run, querylist, implicitmode);
344 /* dump options as a Python dictionary, for configurator use */
347 dump_config(&run, querylist);
351 /* check for another fetchmail running concurrently */
354 pid = bkgd ? -pid : pid;
356 /* if no mail servers listed and nothing in background, we're done */
357 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
358 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
362 /* perhaps user asked us to kill the other fetchmail */
367 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
371 else if (getpid() == pid)
373 /* this test enables re-execing on a changed rcfile */
376 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
380 else if (kill(pid, SIGTERM) < 0)
382 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
383 bkgd ? GT_("background") : GT_("foreground"), pid);
388 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
389 bkgd ? GT_("background") : GT_("foreground"), pid);
398 /* another fetchmail is running -- wake it up or die */
404 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
407 else if (!implicitmode)
410 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
417 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
421 else if (getpid() == pid)
422 /* this test enables re-execing on a changed rcfile */
427 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
430 else if (kill(pid, SIGUSR1) == 0)
433 GT_("fetchmail: background fetchmail at %d awakened.\n"),
440 * Should never happen -- possible only if a background fetchmail
441 * croaks after the first kill probe above but before the
442 * SIGUSR1/SIGHUP transmission.
445 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
447 return(PS_UNDEFINED);
451 /* pick up interactively any passwords we need but don't have */
452 for (ctl = querylist; ctl; ctl = ctl->next)
454 if (ctl->active && !(implicitmode && ctl->server.skip)
455 && !NO_PASSWORD(ctl) && !ctl->password)
460 GT_("fetchmail: can't find a password for %s@%s.\n"),
461 ctl->remotename, ctl->server.pollname);
466 char* password_prompt = GT_("Enter password for %s@%s: ");
468 xalloca(tmpbuf, char *, strlen(password_prompt) +
469 strlen(ctl->remotename) +
470 strlen(ctl->server.pollname) + 1);
471 (void) sprintf(tmpbuf, password_prompt,
472 ctl->remotename, ctl->server.pollname);
473 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
479 * Time to initiate the SOCKS library (this is not mandatory: it just
480 * registers the correct application name for logging purpose. If you
481 * have some problem, comment out these lines).
484 SOCKSinit("fetchmail");
485 #endif /* HAVE_SOCKS */
487 /* avoid zombies from plugins */
491 * Maybe time to go to demon mode...
493 if (run.poll_interval)
496 daemonize(run.logfile, terminate_run);
497 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
500 * We'll set up a handler for these when we're sleeping,
501 * but ignore them otherwise so as not to interrupt a poll.
503 set_signal_handler(SIGUSR1, SIG_IGN);
504 if (run.poll_interval && getuid() == ROOT_UID)
505 set_signal_handler(SIGHUP, SIG_IGN);
509 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
511 if (!freopen(run.logfile, "a", stdout))
512 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
513 if (!freopen(run.logfile, "a", stderr))
514 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
522 /* beyond here we don't want more than one fetchmail running per user */
524 set_signal_handler(SIGABRT, terminate_run);
525 set_signal_handler(SIGINT, terminate_run);
526 set_signal_handler(SIGTERM, terminate_run);
527 set_signal_handler(SIGALRM, terminate_run);
528 set_signal_handler(SIGPIPE, terminate_run);
529 set_signal_handler(SIGQUIT, terminate_run);
531 /* here's the exclusion lock */
535 * Query all hosts. If there's only one, the error return will
536 * reflect the status of that transaction.
540 * Check to see if the rcfile has been touched. If so,
541 * re-exec so the file will be reread. Doing it this way
542 * avoids all the complications of trying to deallocate the
543 * in-core control structures -- and the potential memory
548 if (stat(rcfile, &rcstat) == -1)
552 GT_("couldn't time-check %s (error %d)\n"),
555 else if (rcstat.st_mtime > parsetime)
557 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
560 /* restore the startup directory */
561 if (!currentwd[0] || chdir (currentwd) == -1)
562 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
566 * Matthias Andree: Isn't this prone to introduction of
567 * "false" programs by interfering with PATH? Those
568 * path-searching execs might not be the best ideas for
571 * Rob Funk: But is there any way for someone to modify
572 * the PATH variable of a running fetchmail? I don't know
575 * Dave's change makes fetchmail restart itself in exactly
576 * the way it was started from the shell (or shell script)
577 * in the first place. If you're concerned about PATH
578 * contamination, call fetchmail initially with a full
579 * path, and use Dave's patch.
581 * Not using a -p variant of exec means that the restart
582 * will break if both (a) the user depended on PATH to
583 * call fetchmail in the first place, and (b) the system
584 * doesn't save the whole path in argv[0] if the whole
585 * path wasn't used in the initial call. (If I recall
586 * correctly, Linux saves it but many other Unices don't.)
588 execvp(argv[0], argv);
589 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
592 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
594 * This was an efficiency hack that backfired. The theory
595 * was that using TCP/IP for DNS queries would get us better
596 * reliability and shave off some per-UDP-packet costs.
597 * Unfortunately it interacted badly with diald, which effectively
598 * filters out DNS queries over TCP/IP for reasons having to do
599 * with some obscure Linux kernel problem involving bootstrapping of
600 * dynamically-addressed links. I don't understand this mess
601 * and don't want to, so it's "See ya!" to this hack.
603 sethostent(TRUE); /* use TCP/IP for mailserver queries */
604 #endif /* HAVE_RES_SEARCH */
608 for (ctl = querylist; ctl; ctl = ctl->next)
612 if (!(implicitmode && ctl->server.skip))
617 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
618 ctl->server.pollname);
622 /* check skip interval first so that it counts all polls */
623 if (run.poll_interval && ctl->server.interval)
625 if (ctl->server.poll_count++ % ctl->server.interval)
627 if (outlevel >= O_VERBOSE)
629 GT_("interval not reached, not querying %s\n"),
630 ctl->server.pollname);
635 #if (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__)
637 * Don't do monitoring if we were woken by a signal.
638 * Note that interface_approve() does its own error logging.
640 if (!interface_approve(&ctl->server, !lastsig))
642 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
644 dofastuidl = 0; /* this is reset in the driver if required */
646 querystatus = query_host(ctl);
648 if (NUM_NONZERO(ctl->fastuidl))
649 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
651 /* leave the UIDL state alone if there have been any errors */
653 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
656 uid_discard_new_list(ctl);
658 #endif /* POP3_ENABLE */
660 if (querystatus == PS_SUCCESS)
662 else if (!check_only &&
663 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
667 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
669 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
671 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
673 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
675 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
677 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
679 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
681 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
683 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
685 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
687 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
689 report(stdout,GT_("Query status=11 (DNS)\n")); break;
691 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
693 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
695 report(stdout,GT_("Query status=%d\n"),querystatus);
699 #if (defined(linux) && !INET6_ENABLE) || defined (__FreeBSD__)
700 if (ctl->server.monitor)
703 * Allow some time for the link to quiesce. One
704 * second is usually sufficient, three is safe.
705 * Note: this delay is important - don't remove!
708 interface_note_activity(&ctl->server);
710 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
714 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
715 endhostent(); /* release TCP/IP connection to nameserver */
716 #endif /* HAVE_RES_SEARCH */
718 /* close connections cleanly */
722 * OK, we've polled. Now sleep.
724 if (run.poll_interval)
727 * Because passwords can expire, it may happen that *all*
728 * hosts are now out of the loop due to authfail
729 * conditions. If this happens daemon-mode fetchmail
730 * should softly and silently vanish away, rather than
731 * spinning uselessly.
735 for (ctl = querylist; ctl; ctl = ctl->next)
736 if (ctl->active && !(implicitmode && ctl->server.skip))
741 report(stderr, GT_("All connections are wedged. Exiting.\n"));
742 /* FIXME: someday, send notification mail */
746 if (outlevel > O_SILENT)
748 GT_("sleeping at %s\n"), timestamp());
751 * With this simple hack, we make it possible for a foreground
752 * fetchmail to wake up one in daemon mode. What we want is the
753 * side effect of interrupting any sleep that may be going on,
754 * forcing fetchmail to re-poll its hosts. The second line is
755 * for people who think all system daemons wake up on SIGHUP.
757 set_signal_handler(SIGUSR1, donothing);
758 if (getuid() != ROOT_UID)
759 set_signal_handler(SIGHUP, donothing);
762 * OK, now pause until it's time for the next poll cycle.
763 * A nonzero return indicates we received a wakeup signal;
764 * unwedge all servers in case the problem has been
767 if ((lastsig = interruptible_idle(run.poll_interval)))
769 if (outlevel > O_SILENT)
770 #ifdef SYS_SIGLIST_DECLARED
772 GT_("awakened by %s\n"), sys_siglist[lastsig]);
775 GT_("awakened by signal %d\n"), lastsig);
777 for (ctl = querylist; ctl; ctl = ctl->next)
781 if (outlevel > O_SILENT)
782 report(stdout, GT_("awakened at %s\n"), timestamp());
787 if (outlevel >= O_VERBOSE)
788 report(stdout, GT_("normal termination, status %d\n"),
789 successes ? PS_SUCCESS : querystatus);
795 else if (querystatus)
798 /* in case we interrupted before a successful fetch */
802 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
805 * If force is off, modify dstl fields only when they're empty (treat srcl
806 * as defaults). If force is on, modify each dstl field whenever scrcl
807 * is nonempty (treat srcl as an override).
809 if (force ? !!*srcl : !*dstl)
811 struct idlist *cpl = copy_str_list(*srcl);
813 append_str_list(dstl, &cpl);
817 static void optmerge(struct query *h2, struct query *h1, int force)
818 /* merge two options records */
820 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
821 list_merge(&h2->localnames, &h1->localnames, force);
822 list_merge(&h2->mailboxes, &h1->mailboxes, force);
823 list_merge(&h2->smtphunt, &h1->smtphunt, force);
824 list_merge(&h2->domainlist, &h1->domainlist, force);
825 list_merge(&h2->antispam, &h1->antispam, force);
827 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
828 FLAG_MERGE(server.via);
829 FLAG_MERGE(server.protocol);
831 FLAG_MERGE(server.service);
832 FLAG_MERGE(server.netsec);
833 #else /* INET6_ENABLE */
834 FLAG_MERGE(server.port);
835 #endif /* INET6_ENABLE */
836 FLAG_MERGE(server.interval);
837 FLAG_MERGE(server.authenticate);
838 FLAG_MERGE(server.timeout);
839 FLAG_MERGE(server.envelope);
840 FLAG_MERGE(server.envskip);
841 FLAG_MERGE(server.qvirtual);
842 FLAG_MERGE(server.skip);
843 FLAG_MERGE(server.dns);
844 FLAG_MERGE(server.checkalias);
845 FLAG_MERGE(server.uidl);
846 FLAG_MERGE(server.principal);
848 #if defined(linux) || defined(__FreeBSD__)
849 FLAG_MERGE(server.interface);
850 FLAG_MERGE(server.monitor);
851 FLAG_MERGE(server.interface_pair);
852 #endif /* linux || defined(__FreeBSD__) */
854 FLAG_MERGE(server.plugin);
855 FLAG_MERGE(server.plugout);
857 FLAG_MERGE(wildcard);
858 FLAG_MERGE(remotename);
859 FLAG_MERGE(password);
862 FLAG_MERGE(listener);
863 FLAG_MERGE(smtpaddress);
864 FLAG_MERGE(smtpname);
865 FLAG_MERGE(preconnect);
866 FLAG_MERGE(postconnect);
870 FLAG_MERGE(fetchall);
874 FLAG_MERGE(pass8bits);
875 FLAG_MERGE(dropstatus);
876 FLAG_MERGE(dropdelivered);
877 FLAG_MERGE(mimedecode);
880 FLAG_MERGE(warnings);
881 FLAG_MERGE(fetchlimit);
882 FLAG_MERGE(fetchsizelimit);
883 FLAG_MERGE(fastuidl);
884 FLAG_MERGE(batchlimit);
889 FLAG_MERGE(sslproto);
890 FLAG_MERGE(sslcertck);
891 FLAG_MERGE(sslcertpath);
892 FLAG_MERGE(sslfingerprint);
896 FLAG_MERGE(tracepolls);
897 FLAG_MERGE(properties);
901 static int load_params(int argc, char **argv, int optind)
903 int implicitmode, st;
905 struct query def_opts, *ctl;
909 run.bouncemail = TRUE;
910 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
912 memset(&def_opts, '\0', sizeof(struct query));
913 def_opts.smtp_socket = -1;
914 def_opts.smtpaddress = (char *)0;
915 def_opts.smtpname = (char *)0;
916 def_opts.server.protocol = P_AUTO;
917 def_opts.server.timeout = CLIENT_TIMEOUT;
918 def_opts.server.esmtp_name = user;
919 def_opts.warnings = WARNING_INTERVAL;
920 def_opts.remotename = user;
921 def_opts.listener = SMTP_MODE;
922 def_opts.fetchsizelimit = 100;
923 def_opts.fastuidl = 10;
925 /* get the location of rcfile */
927 p = strrchr (rcfile, '/');
928 if (p && (p - rcfile) < sizeof (rcfiledir)) {
929 *p = 0; /* replace '/' by '0' */
930 strcpy (rcfiledir, rcfile);
931 *p = '/'; /* restore '/' */
932 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
933 strcpy (rcfiledir, "/");
936 /* note the parse time, so we can pick up on modifications */
937 parsetime = 0; /* foil compiler warnings */
938 if (stat(rcfile, &rcstat) != -1)
939 parsetime = rcstat.st_mtime;
940 else if (errno != ENOENT)
941 report(stderr, GT_("couldn't time-check the run-control file\n"));
943 /* this builds the host list */
944 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
946 * FIXME: someday, send notification mail here if backgrounded.
947 * Right now, that can happen if the user changes the rcfile
948 * while the fetchmail is running in background. Do similarly
949 * for the other exit() calls in this function.
953 if ((implicitmode = (optind >= argc)))
955 for (ctl = querylist; ctl; ctl = ctl->next)
956 ctl->active = !ctl->server.skip;
959 for (; optind < argc; optind++)
961 flag predeclared = FALSE;
964 * If hostname corresponds to a host known from the rc file,
965 * simply declare it active. Otherwise synthesize a host
966 * record from command line and defaults
968 for (ctl = querylist; ctl; ctl = ctl->next)
969 if (!strcmp(ctl->server.pollname, argv[optind])
970 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
972 /* Is this correct? */
973 if (predeclared && outlevel == O_VERBOSE)
974 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
982 * Allocate and link record without copying in
983 * command-line args; we'll do that with the optmerge
986 ctl = hostalloc((struct query *)NULL);
988 ctl->server.pollname = xstrdup(argv[optind]);
990 ctl->server.lead_server = (struct hostdata *)NULL;
995 * If there's a defaults record, merge it and lose it.
997 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
999 for (ctl = querylist->next; ctl; ctl = ctl->next)
1000 optmerge(ctl, querylist, FALSE);
1001 querylist = querylist->next;
1004 /* don't allow a defaults record after the first */
1005 for (ctl = querylist; ctl; ctl = ctl->next)
1006 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1009 /* use localhost if we never fetch the FQDN of this host */
1010 fetchmailhost = "localhost";
1012 /* here's where we override globals */
1013 if (cmd_run.logfile)
1014 run.logfile = cmd_run.logfile;
1016 run.idfile = cmd_run.idfile;
1017 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1018 if (cmd_run.poll_interval >= 0)
1019 run.poll_interval = cmd_run.poll_interval;
1020 if (cmd_run.invisible)
1021 run.invisible = cmd_run.invisible;
1022 if (cmd_run.showdots)
1023 run.showdots = cmd_run.showdots;
1024 if (cmd_run.use_syslog)
1025 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1026 if (cmd_run.postmaster)
1027 run.postmaster = cmd_run.postmaster;
1028 if (cmd_run.bouncemail)
1029 run.bouncemail = cmd_run.bouncemail;
1031 /* check and daemon options are not compatible */
1032 if (check_only && run.poll_interval)
1033 run.poll_interval = 0;
1036 * DNS support is required for some protocols. We used to
1037 * do this unconditionally, but it made fetchmail excessively
1038 * vulnerable to misconfigured DNS setups.
1040 * If we're using ETRN or ODMR, the smtp hunt list is the
1041 * list of systems we're polling on behalf of; these have
1042 * to be fully-qualified domain names. The default for
1043 * this list should be the FQDN of localhost.
1045 * If we're using Kerberos for authentication, we need
1046 * the FQDN in order to generate capability keys.
1048 if (strcmp(fetchmailhost, "localhost") == 0)
1049 for (ctl = querylist; ctl; ctl = ctl->next)
1051 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1052 || ctl->server.authenticate == A_KERBEROS_V4
1053 || ctl->server.authenticate == A_KERBEROS_V5))
1055 fetchmailhost = host_fqdn();
1059 /* merge in wired defaults, do sanity checks and prepare internal fields */
1060 for (ctl = querylist; ctl; ctl = ctl->next)
1062 ctl->wedged = FALSE;
1064 /* merge in defaults */
1065 optmerge(ctl, &def_opts, FALSE);
1067 /* force command-line options */
1068 optmerge(ctl, &cmd_opts, TRUE);
1071 * queryname has to be set up for inactive servers too.
1072 * Otherwise the UIDL code core-dumps on startup.
1074 if (ctl->server.via)
1075 ctl->server.queryname = xstrdup(ctl->server.via);
1077 ctl->server.queryname = xstrdup(ctl->server.pollname);
1080 * We no longer do DNS lookups at startup.
1081 * This is a kluge. It enables users to edit their
1082 * configurations when DNS isn't available.
1084 ctl->server.truename = xstrdup(ctl->server.queryname);
1086 if (configdump || ctl->active )
1088 /* this code enables flags to be turned off */
1089 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1091 else if (flag == FLAG_FALSE)\
1095 DEFAULT(ctl->keep, FALSE);
1096 DEFAULT(ctl->fetchall, FALSE);
1097 DEFAULT(ctl->flush, FALSE);
1098 DEFAULT(ctl->rewrite, TRUE);
1099 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1100 DEFAULT(ctl->forcecr, FALSE);
1101 DEFAULT(ctl->pass8bits, FALSE);
1102 DEFAULT(ctl->dropstatus, FALSE);
1103 DEFAULT(ctl->dropdelivered, FALSE);
1104 DEFAULT(ctl->mimedecode, FALSE);
1105 DEFAULT(ctl->idle, FALSE);
1106 DEFAULT(ctl->server.dns, TRUE);
1107 DEFAULT(ctl->server.uidl, FALSE);
1109 DEFAULT(ctl->use_ssl, FALSE);
1110 DEFAULT(ctl->sslcertck, FALSE);
1112 DEFAULT(ctl->server.checkalias, FALSE);
1116 report(stderr, GT_("SSL support is not compiled in.\n"));
1119 #endif /* SSL_ENABLE */
1120 /* one global gets treated specially */
1121 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1125 * Make sure we have a nonempty host list to forward to.
1128 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1131 * Make sure we have a nonempty list of domains to fetch from.
1133 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1134 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1136 /* if `user' doesn't name a real local user, try to run as root */
1137 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1140 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1141 if (!ctl->localnames) /* for local delivery via SMTP */
1142 save_str_pair(&ctl->localnames, user, NULL);
1144 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1145 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1146 if (ctl->localnames && ctl->localnames->next && ctl->server.dns)
1148 ctl->server.dns = FALSE;
1149 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1151 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1153 /* if no folders were specified, set up the null one as default */
1154 if (!ctl->mailboxes)
1155 save_str(&ctl->mailboxes, (char *)NULL, 0);
1157 /* maybe user overrode timeout on command line? */
1158 if (ctl->server.timeout == -1)
1159 ctl->server.timeout = CLIENT_TIMEOUT;
1163 if (ctl->server.port < 0)
1165 (void) fprintf(stderr,
1166 GT_("%s configuration invalid, port number cannot be negative\n"),
1167 ctl->server.pollname);
1170 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1172 (void) fprintf(stderr,
1173 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1174 ctl->server.pollname);
1177 if (ctl->listener == LMTP_MODE)
1181 for (idp = ctl->smtphunt; idp; idp = idp->next)
1185 if (!(cp = strrchr(idp->id, '/')) ||
1186 (atoi(++cp) == SMTP_PORT))
1188 (void) fprintf(stderr,
1189 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1190 ctl->server.pollname);
1195 #endif /* !INET6_ENABLE */
1198 * "I beg to you, have mercy on the week minds like myself."
1199 * wrote Pehr Anderson. Your petition is granted.
1201 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1203 (void) fprintf(stderr,
1204 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1211 /* initialize UID handling */
1212 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1215 initialize_saved_lists(querylist, run.idfile);
1216 #endif /* POP3_ENABLE */
1219 * If the user didn't set a last-resort user to get misaddressed
1220 * multidrop mail, set an appropriate default here.
1222 if (!run.postmaster)
1224 if (getuid() != ROOT_UID) /* ordinary user */
1225 run.postmaster = user;
1227 run.postmaster = "postmaster";
1230 return(implicitmode);
1233 static RETSIGTYPE terminate_poll(int sig)
1234 /* to be executed at the end of a poll cycle */
1237 * Close all SMTP delivery sockets. For optimum performance
1238 * we'd like to hold them open til end of run, but (1) this
1239 * loses if our poll interval is longer than the MTA's inactivity
1240 * timeout, and (2) some MTAs (like smail) don't deliver after
1241 * each message, but rather queue up mail and wait to actually
1242 * deliver it until the input socket is closed.
1244 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1245 * subtle bug. If fetchmail was terminated by signal while it was
1246 * shipping message text, it would hang forever waiting for a
1247 * command acknowledge. In theory we could enable the QUIT
1248 * only outside of the message send. In practice, we don't
1249 * care. All mailservers hang up on a dropped TCP/IP connection
1254 report(stdout, GT_("terminated with signal %d\n"), sig);
1259 /* terminate all SMTP connections cleanly */
1260 for (ctl = querylist; ctl; ctl = ctl->next)
1261 if (ctl->smtp_socket != -1)
1263 /* don't send QUIT for ODMR case because we're acting
1264 as a proxy between the SMTP server and client. */
1265 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1271 * Update UID information at end of each poll, rather than at end
1272 * of run, because that way we don't lose all UIDL information since
1273 * the beginning of time if fetchmail crashes.
1276 write_saved_lists(querylist, run.idfile);
1277 #endif /* POP3_ENABLE */
1280 static RETSIGTYPE terminate_run(int sig)
1281 /* to be executed on normal or signal-induced termination */
1285 terminate_poll(sig);
1288 * Craig Metz, the RFC1938 one-time-password guy, points out:
1289 * "Remember that most kernels don't zero pages before handing them to the
1290 * next process and many kernels share pages between user and kernel space.
1291 * You'd be very surprised what you can find from a short program to do a
1292 * malloc() and then dump the contents of the pages you got. By zeroing
1293 * the secrets at end of run (earlier if you can), you make sure the next
1294 * guy can't get the password/pass phrase."
1296 * Right you are, Craig!
1298 for (ctl = querylist; ctl; ctl = ctl->next)
1300 memset(ctl->password, '\0', strlen(ctl->password));
1302 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1306 if (activecount == 0)
1309 exit(successes ? PS_SUCCESS : querystatus);
1313 * Sequence of protocols to try when autoprobing, most capable to least.
1315 static const int autoprobe[] =
1319 #endif /* IMAP_ENABLE */
1322 #endif /* POP3_ENABLE */
1325 #endif /* POP2_ENABLE */
1328 static int query_host(struct query *ctl)
1329 /* perform fetch transaction with single host */
1334 * If we're syslogging the progress messages are automatically timestamped.
1335 * Force timestamping if we're going to a logfile.
1337 if (outlevel >= O_VERBOSE)
1339 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1341 ctl->server.pollname,
1342 showproto(ctl->server.protocol),
1346 switch (ctl->server.protocol) {
1348 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1350 ctl->server.protocol = autoprobe[i];
1352 st = query_host(ctl);
1355 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1358 ctl->server.protocol = P_AUTO;
1364 report(stderr, GT_("POP2 support is not configured.\n"));
1366 #endif /* POP2_ENABLE */
1374 } while (st == PS_REPOLL);
1376 report(stderr, GT_("POP3 support is not configured.\n"));
1378 #endif /* POP3_ENABLE */
1384 } while (st == PS_REPOLL);
1386 report(stderr, GT_("IMAP support is not configured.\n"));
1388 #endif /* IMAP_ENABLE */
1392 report(stderr, GT_("ETRN support is not configured.\n"));
1395 #ifdef HAVE_GETHOSTBYNAME
1398 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1400 #endif /* HAVE_GETHOSTBYNAME */
1402 #endif /* ETRN_ENABLE */
1405 report(stderr, GT_("ODMR support is not configured.\n"));
1408 #ifdef HAVE_GETHOSTBYNAME
1411 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1413 #endif /* HAVE_GETHOSTBYNAME */
1414 #endif /* ODMR_ENABLE */
1417 report(stderr, GT_("unsupported protocol selected.\n"));
1422 * If we're syslogging the progress messages are automatically timestamped.
1423 * Force timestamping if we're going to a logfile.
1425 if (outlevel >= O_VERBOSE)
1427 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1429 ctl->server.pollname,
1430 showproto(ctl->server.protocol),
1437 static void dump_params (struct runctl *runp,
1438 struct query *querylist, flag implicit)
1439 /* display query parameters in English */
1443 if (runp->poll_interval)
1444 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1446 printf(GT_("Logfile is %s\n"), runp->logfile);
1447 if (strcmp(runp->idfile, IDFILE_NAME))
1448 printf(GT_("Idfile is %s\n"), runp->idfile);
1449 #if defined(HAVE_SYSLOG)
1450 if (runp->use_syslog)
1451 printf(GT_("Progress messages will be logged via syslog\n"));
1453 if (runp->invisible)
1454 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1456 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1457 if (runp->postmaster)
1458 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1461 if (!runp->bouncemail)
1462 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1463 else if (outlevel >= O_VERBOSE)
1464 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1466 for (ctl = querylist; ctl; ctl = ctl->next)
1468 if (!ctl->active || (implicit && ctl->server.skip))
1471 printf(GT_("Options for retrieving from %s@%s:\n"),
1472 ctl->remotename, visbuf(ctl->server.pollname));
1474 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1475 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1477 if (ctl->server.interval)
1478 printf(GT_(" Poll of this server will occur every %d intervals.\n"),
1479 ctl->server.interval);
1480 if (ctl->server.truename)
1481 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1482 if (ctl->server.skip || outlevel >= O_VERBOSE)
1483 printf(GT_(" This host %s be queried when no host is specified.\n"),
1484 ctl->server.skip ? GT_("will not") : GT_("will"));
1485 if (!NO_PASSWORD(ctl))
1488 printf(GT_(" Password will be prompted for.\n"));
1489 else if (outlevel >= O_VERBOSE)
1491 if (ctl->server.protocol == P_APOP)
1492 printf(GT_(" APOP secret = \"%s\".\n"),
1493 visbuf(ctl->password));
1494 else if (ctl->server.protocol == P_RPOP)
1495 printf(GT_(" RPOP id = \"%s\".\n"),
1496 visbuf(ctl->password));
1498 printf(GT_(" Password = \"%s\".\n"),
1499 visbuf(ctl->password));
1503 if (ctl->server.protocol == P_POP3
1505 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1506 #else /* INET6_ENABLE */
1507 && ctl->server.port == KPOP_PORT
1508 #endif /* INET6_ENABLE */
1509 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1510 ctl->server.authenticate == A_KERBEROS_V5))
1511 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1512 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1514 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1516 if (ctl->server.service)
1517 printf(GT_(" (using service %s)"), ctl->server.service);
1518 if (ctl->server.netsec)
1519 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1520 #else /* INET6_ENABLE */
1521 if (ctl->server.port)
1522 printf(GT_(" (using port %d)"), ctl->server.port);
1523 #endif /* INET6_ENABLE */
1524 else if (outlevel >= O_VERBOSE)
1525 printf(GT_(" (using default port)"));
1526 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1527 printf(GT_(" (forcing UIDL use)"));
1530 switch (ctl->server.authenticate)
1533 printf(GT_(" All available authentication methods will be tried.\n"));
1536 printf(GT_(" Password authentication will be forced.\n"));
1539 printf(GT_(" NTLM authentication will be forced.\n"));
1542 printf(GT_(" OTP authentication will be forced.\n"));
1545 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1548 printf(GT_(" GSSAPI authentication will be forced.\n"));
1551 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1554 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1557 printf(GT_(" End-to-end encryption assumed.\n"));
1560 if (ctl->server.principal != (char *) NULL)
1561 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1564 printf(GT_(" SSL encrypted sessions enabled.\n"));
1566 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1567 if (ctl->sslcertck) {
1568 printf(GT_(" SSL server certificate checking enabled.\n"));
1569 if (ctl->sslcertpath != NULL)
1570 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1572 if (ctl->sslfingerprint != NULL)
1573 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1575 if (ctl->server.timeout > 0)
1576 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1577 if (ctl->server.timeout == CLIENT_TIMEOUT)
1578 printf(GT_(" (default).\n"));
1582 if (MAILBOX_PROTOCOL(ctl))
1584 if (!ctl->mailboxes->id)
1585 printf(GT_(" Default mailbox selected.\n"));
1590 printf(GT_(" Selected mailboxes are:"));
1591 for (idp = ctl->mailboxes; idp; idp = idp->next)
1592 printf(" %s", idp->id);
1595 printf(GT_(" %s messages will be retrieved (--all %s).\n"),
1596 ctl->fetchall ? GT_("All") : GT_("Only new"),
1597 ctl->fetchall ? "on" : "off");
1598 printf(GT_(" Fetched messages %s be kept on the server (--keep %s).\n"),
1599 ctl->keep ? GT_("will") : GT_("will not"),
1600 ctl->keep ? "on" : "off");
1601 printf(GT_(" Old messages %s be flushed before message retrieval (--flush %s).\n"),
1602 ctl->flush ? GT_("will") : GT_("will not"),
1603 ctl->flush ? "on" : "off");
1604 printf(GT_(" Rewrite of server-local addresses is %s (--norewrite %s).\n"),
1605 ctl->rewrite ? GT_("enabled") : GT_("disabled"),
1606 ctl->rewrite ? "off" : "on");
1607 printf(GT_(" Carriage-return stripping is %s (stripcr %s).\n"),
1608 ctl->stripcr ? GT_("enabled") : GT_("disabled"),
1609 ctl->stripcr ? "on" : "off");
1610 printf(GT_(" Carriage-return forcing is %s (forcecr %s).\n"),
1611 ctl->forcecr ? GT_("enabled") : GT_("disabled"),
1612 ctl->forcecr ? "on" : "off");
1613 printf(GT_(" Interpretation of Content-Transfer-Encoding is %s (pass8bits %s).\n"),
1614 ctl->pass8bits ? GT_("disabled") : GT_("enabled"),
1615 ctl->pass8bits ? "on" : "off");
1616 printf(GT_(" MIME decoding is %s (mimedecode %s).\n"),
1617 ctl->mimedecode ? GT_("enabled") : GT_("disabled"),
1618 ctl->mimedecode ? "on" : "off");
1619 printf(GT_(" Idle after poll is %s (idle %s).\n"),
1620 ctl->idle ? GT_("enabled") : GT_("disabled"),
1621 ctl->idle ? "on" : "off");
1622 printf(GT_(" Nonempty Status lines will be %s (dropstatus %s)\n"),
1623 ctl->dropstatus ? GT_("discarded") : GT_("kept"),
1624 ctl->dropstatus ? "on" : "off");
1625 printf(GT_(" Delivered-To lines will be %s (dropdelivered %s)\n"),
1626 ctl->dropdelivered ? GT_("discarded") : GT_("kept"),
1627 ctl->dropdelivered ? "on" : "off");
1628 if (NUM_NONZERO(ctl->limit))
1630 if (NUM_NONZERO(ctl->limit))
1631 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1632 ctl->limit, ctl->limit);
1633 else if (outlevel >= O_VERBOSE)
1634 printf(GT_(" No message size limit (--limit 0).\n"));
1635 if (run.poll_interval > 0)
1636 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1637 ctl->warnings, ctl->warnings);
1638 else if (outlevel >= O_VERBOSE)
1639 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1641 if (NUM_NONZERO(ctl->fetchlimit))
1642 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1643 ctl->fetchlimit, ctl->fetchlimit);
1644 else if (outlevel >= O_VERBOSE)
1645 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1646 if (NUM_NONZERO(ctl->fetchsizelimit))
1647 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1648 ctl->fetchsizelimit, ctl->fetchsizelimit);
1649 else if (outlevel >= O_VERBOSE)
1650 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1651 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1653 if (ctl->fastuidl == 1)
1654 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1656 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1658 else if (outlevel >= O_VERBOSE)
1659 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1660 if (NUM_NONZERO(ctl->batchlimit))
1661 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1662 else if (outlevel >= O_VERBOSE)
1663 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1664 if (MAILBOX_PROTOCOL(ctl))
1666 if (NUM_NONZERO(ctl->expunge))
1667 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1668 else if (outlevel >= O_VERBOSE)
1669 printf(GT_(" No forced expunges (--expunge 0).\n"));
1672 else /* ODMR or ETRN */
1676 printf(GT_(" Domains for which mail will be fetched are:"));
1677 for (idp = ctl->domainlist; idp; idp = idp->next)
1679 printf(" %s", idp->id);
1680 if (!idp->val.status.mark)
1681 printf(GT_(" (default)"));
1686 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1687 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1688 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1695 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1697 for (idp = ctl->smtphunt; idp; idp = idp->next)
1699 printf(" %s", idp->id);
1700 if (!idp->val.status.mark)
1701 printf(GT_(" (default)"));
1705 if (ctl->smtpaddress)
1706 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1709 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1712 if (MAILBOX_PROTOCOL(ctl))
1714 if (ctl->antispam != (struct idlist *)NULL)
1718 printf(GT_(" Recognized listener spam block responses are:"));
1719 for (idp = ctl->antispam; idp; idp = idp->next)
1720 printf(" %d", idp->val.status.num);
1723 else if (outlevel >= O_VERBOSE)
1724 printf(GT_(" Spam-blocking disabled\n"));
1726 if (ctl->preconnect)
1727 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1728 visbuf(ctl->preconnect));
1729 else if (outlevel >= O_VERBOSE)
1730 printf(GT_(" No pre-connection command.\n"));
1731 if (ctl->postconnect)
1732 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1733 visbuf(ctl->postconnect));
1734 else if (outlevel >= O_VERBOSE)
1735 printf(GT_(" No post-connection command.\n"));
1736 if (MAILBOX_PROTOCOL(ctl)) {
1737 if (!ctl->localnames)
1738 printf(GT_(" No localnames declared for this host.\n"));
1744 for (idp = ctl->localnames; idp; idp = idp->next)
1747 if (count > 1 || ctl->wildcard)
1748 printf(GT_(" Multi-drop mode: "));
1750 printf(GT_(" Single-drop mode: "));
1752 printf(GT_("%d local name(s) recognized.\n"), count);
1753 if (outlevel >= O_VERBOSE)
1755 for (idp = ctl->localnames; idp; idp = idp->next)
1757 printf("\t%s -> %s\n", idp->id, idp->val.id2);
1759 printf("\t%s\n", idp->id);
1761 fputs("\t*\n", stdout);
1764 if (count > 1 || ctl->wildcard)
1766 printf(GT_(" DNS lookup for multidrop addresses is %s.\n"),
1767 ctl->server.dns ? GT_("enabled") : GT_("disabled"));
1768 if (ctl->server.dns)
1770 printf(GT_(" Server aliases will be compared with multidrop addresses by "));
1771 if (ctl->server.checkalias)
1772 printf(GT_("IP address.\n"));
1774 printf(GT_("name.\n"));
1776 if (ctl->server.envelope == STRING_DISABLED)
1777 printf(GT_(" Envelope-address routing is disabled\n"));
1780 printf(GT_(" Envelope header is assumed to be: %s\n"),
1781 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1782 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1783 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1784 ctl->server.envskip);
1785 if (ctl->server.qvirtual)
1786 printf(GT_(" Prefix %s will be removed from user id\n"),
1787 ctl->server.qvirtual);
1788 else if (outlevel >= O_VERBOSE)
1789 printf(GT_(" No prefix stripping\n"));
1792 if (ctl->server.akalist)
1796 printf(GT_(" Predeclared mailserver aliases:"));
1797 for (idp = ctl->server.akalist; idp; idp = idp->next)
1798 printf(" %s", idp->id);
1801 if (ctl->server.localdomains)
1805 printf(GT_(" Local domains:"));
1806 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1807 printf(" %s", idp->id);
1813 #if defined(linux) || defined(__FreeBSD__)
1814 if (ctl->server.interface)
1815 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1816 else if (outlevel >= O_VERBOSE)
1817 printf(GT_(" No interface requirement specified.\n"));
1818 if (ctl->server.monitor)
1819 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1820 else if (outlevel >= O_VERBOSE)
1821 printf(GT_(" No monitor interface specified.\n"));
1824 if (ctl->server.plugin)
1825 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1826 else if (outlevel >= O_VERBOSE)
1827 printf(GT_(" No plugin command specified.\n"));
1828 if (ctl->server.plugout)
1829 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1830 else if (outlevel >= O_VERBOSE)
1831 printf(GT_(" No plugout command specified.\n"));
1833 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1836 printf(GT_(" No UIDs saved from this host.\n"));
1842 for (idp = ctl->oldsaved; idp; idp = idp->next)
1845 printf(GT_(" %d UIDs saved.\n"), count);
1846 if (outlevel >= O_VERBOSE)
1847 for (idp = ctl->oldsaved; idp; idp = idp->next)
1848 printf("\t%s\n", idp->id);
1852 if (ctl->tracepolls)
1853 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1854 else if (outlevel >= O_VERBOSE)
1855 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1857 if (ctl->properties)
1858 printf(GT_(" Pass-through properties \"%s\".\n"),
1859 visbuf(ctl->properties));
1863 /* fetchmail.c ends here */