2 * fetchmail.c -- main driver module for fetchmail
4 * For license terms, see the file COPYING in this directory.
9 #if defined(STDC_HEADERS)
12 #if defined(HAVE_UNISTD_H)
18 #if defined(HAVE_SYSLOG)
26 #include <sys/types.h>
29 #include <sys/resource.h>
30 #endif /* HAVE_SETRLIMIT */
31 #include <sys/utsname.h>
33 #include "fetchmail.h"
41 #define ENETUNREACH 128 /* Interactive doesn't know this */
42 #endif /* ENETUNREACH */
44 /* prototypes for internal functions */
45 static int load_params(int, char **, int);
46 static void dump_params (struct runctl *runp, struct query *, flag implicit);
47 static int query_host(struct query *);
49 /* controls the detail level of status/progress messages written to stderr */
50 int outlevel; /* see the O_.* constants above */
52 /* miscellaneous global controls */
53 struct runctl run; /* global controls for this run */
54 flag nodetach; /* if TRUE, don't detach daemon process */
55 flag quitmode; /* if --quit was set */
56 flag check_only; /* if --probe was set */
57 flag versioninfo; /* emit only version info */
58 char *user; /* the name of the invoking user */
59 char *home; /* invoking user's home directory */
60 char *fmhome; /* fetchmail's home directory */
61 char *program_name; /* the name to prefix error messages with */
62 flag configdump; /* dump control blocks for configurator */
63 char *fetchmailhost; /* either `localhost' or the host's FQDN */
68 #endif /* NET_SECURITY */
70 static int querystatus; /* status of query */
71 static int successes; /* count number of successful polls */
72 static int activecount; /* count number of active entries */
73 static struct runctl cmd_run; /* global options set from command line */
74 static time_t parsetime; /* time of last parse */
76 static RETSIGTYPE terminate_run(int);
77 static RETSIGTYPE terminate_poll(int);
79 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
80 /* drop SGID kmem privileage until we need it */
81 static void dropprivs(void)
91 if (gr && !strcmp(gr->gr_name, "kmem"))
93 extern void interface_set_gids(gid_t egid, gid_t rgid);
94 interface_set_gids(egid, rgid);
100 #if defined(HAVE_SETLOCALE) && defined(ENABLE_NLS) && defined(HAVE_STRFTIME)
102 static char *timestamp (void)
108 setlocale (LC_TIME, "");
109 strftime (buf, sizeof (buf), "%c", localtime(&now));
110 setlocale (LC_TIME, "C");
114 #define timestamp rfc822timestamp
117 static RETSIGTYPE donothing(int sig)
119 extern volatile int lastsig; /* declared in idle.c */
120 set_signal_handler(sig, donothing);
124 int main(int argc, char **argv)
127 int parsestatus, implicitmode = FALSE;
129 netrc_entry *netrc_list;
130 char *netrc_file, *tmpbuf;
134 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
138 envquery(argc, argv);
140 setlocale (LC_ALL, "");
141 bindtextdomain(PACKAGE, LOCALEDIR);
146 * Note: because we can't initialize reporting before we know whether
147 * syslog is supposed to be on, this message will go to stdout and
148 * be lost when running in background.
150 if (outlevel >= O_VERBOSE)
154 report(stdout, GT_("fetchmail: invoked with"));
155 for (i = 0; i < argc; i++)
156 report(stdout, " %s", argv[i]);
157 report(stdout, "\n");
160 #define IDFILE_NAME ".fetchids"
161 run.idfile = prependdir (IDFILE_NAME, fmhome);
166 * We used to arrange for the lock to be removed on exit close
167 * to where the lock was asserted. Now we need to do it here, because
168 * we might have re-executed in background with an existing lock
169 * as the result of a changed rcfile (see the code near the execvp(3)
170 * call near the beginning of the polling loop for details). We want
171 * to be sure the lock gets nuked on any error exit, basically.
176 /* save the current directory */
177 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
178 report(stderr, GT_("could not get current working directory\n"));
183 if ((parsestatus = parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
188 printf(GT_("This is fetchmail release %s"), VERSION);
191 #endif /* POP2_ENABLE */
194 #endif /* POP3_ENABLE */
197 #endif /* IMAP_ENABLE */
203 #endif /* RPA_ENABLE */
206 #endif /* NTLM_ENABLE */
209 #endif /* SDPS_ENABLE */
212 #endif /* ETRN_ENABLE */
215 #endif /* ODMR_ENABLE */
221 #endif /* OPIE_ENABLE */
224 #endif /* INET6_ENABLE */
225 #ifdef HAVE_PKG_hesiod
230 #endif /* NET_SECURITY */
233 #endif /* HAVE_SOCKS */
236 #endif /* ENABLE_NLS */
238 fputs("Fallback MDA: ", stdout);
240 fputs(FALLBACK_MDA, stdout);
242 fputs("(none)", stdout);
247 /* this is an attempt to help remote debugging */
251 /* avoid parsing the config file if all we're doing is killing a daemon */
252 if (!(quitmode && argc == 2))
253 implicitmode = load_params(argc, argv, optind);
255 #if defined(HAVE_SYSLOG)
256 /* logging should be set up early in case we were restarted from exec */
259 #if defined(LOG_MAIL)
260 openlog(program_name, LOG_PID, LOG_MAIL);
262 /* Assume BSD4.2 openlog with two arguments */
263 openlog(program_name, LOG_PID);
269 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
271 /* construct the lockfile */
274 #ifdef HAVE_SETRLIMIT
276 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
277 * Core dumps could otherwise contain passwords to be scavenged by a
280 if (outlevel < O_VERBOSE || run.poll_interval > 0)
282 struct rlimit corelimit;
283 corelimit.rlim_cur = 0;
284 corelimit.rlim_max = 0;
285 setrlimit(RLIMIT_CORE, &corelimit);
287 #endif /* HAVE_SETRLIMIT */
289 #define NETRC_FILE ".netrc"
290 /* parse the ~/.netrc file (if present) for future password lookups. */
291 netrc_file = prependdir (NETRC_FILE, home);
292 netrc_list = parse_netrc(netrc_file);
295 /* pick up passwords where we can */
296 for (ctl = querylist; ctl; ctl = ctl->next)
298 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
300 if (NO_PASSWORD(ctl))
301 /* Server won't care what the password is, but there
302 must be some non-null string here. */
303 ctl->password = ctl->remotename;
308 /* look up the pollname and account in the .netrc file. */
309 p = search_netrc(netrc_list,
310 ctl->server.pollname, ctl->remotename);
311 /* if we find a matching entry with a password, use it */
312 if (p && p->password)
313 ctl->password = xstrdup(p->password);
315 /* otherwise try with "via" name if there is one */
316 else if (ctl->server.via)
318 p = search_netrc(netrc_list,
319 ctl->server.via, ctl->remotename);
320 if (p && p->password)
321 ctl->password = xstrdup(p->password);
327 /* perhaps we just want to check options? */
330 int havercfile = access(rcfile, 0);
332 printf(GT_("Taking options from command line%s%s\n"),
333 havercfile ? "" : GT_(" and "),
334 havercfile ? "" : rcfile);
336 if (querylist == NULL)
338 GT_("No mailservers set up -- perhaps %s is missing?\n"),
341 dump_params(&run, querylist, implicitmode);
345 /* dump options as a Python dictionary, for configurator use */
348 dump_config(&run, querylist);
352 /* check for another fetchmail running concurrently */
355 pid = bkgd ? -pid : pid;
357 /* if no mail servers listed and nothing in background, we're done */
358 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
359 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
363 /* perhaps user asked us to kill the other fetchmail */
368 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
372 else if (getpid() == pid)
374 /* this test enables re-execing on a changed rcfile */
377 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
381 else if (kill(pid, SIGTERM) < 0)
383 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
384 bkgd ? GT_("background") : GT_("foreground"), pid);
389 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
390 bkgd ? GT_("background") : GT_("foreground"), pid);
399 /* another fetchmail is running -- wake it up or die */
405 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
408 else if (!implicitmode)
411 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
418 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
422 else if (getpid() == pid)
423 /* this test enables re-execing on a changed rcfile */
428 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
431 else if (kill(pid, SIGUSR1) == 0)
434 GT_("fetchmail: background fetchmail at %d awakened.\n"),
441 * Should never happen -- possible only if a background fetchmail
442 * croaks after the first kill probe above but before the
443 * SIGUSR1/SIGHUP transmission.
446 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
448 return(PS_UNDEFINED);
452 /* pick up interactively any passwords we need but don't have */
453 for (ctl = querylist; ctl; ctl = ctl->next)
455 if (ctl->active && !(implicitmode && ctl->server.skip)
456 && !NO_PASSWORD(ctl) && !ctl->password)
461 GT_("fetchmail: can't find a password for %s@%s.\n"),
462 ctl->remotename, ctl->server.pollname);
467 char* password_prompt = GT_("Enter password for %s@%s: ");
469 xalloca(tmpbuf, char *, strlen(password_prompt) +
470 strlen(ctl->remotename) +
471 strlen(ctl->server.pollname) + 1);
472 (void) sprintf(tmpbuf, password_prompt,
473 ctl->remotename, ctl->server.pollname);
474 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
480 * Time to initiate the SOCKS library (this is not mandatory: it just
481 * registers the correct application name for logging purpose. If you
482 * have some problem, comment out these lines).
485 SOCKSinit("fetchmail");
486 #endif /* HAVE_SOCKS */
488 /* avoid zombies from plugins */
492 * Maybe time to go to demon mode...
494 if (run.poll_interval)
497 daemonize(run.logfile, terminate_run);
498 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
501 * We'll set up a handler for these when we're sleeping,
502 * but ignore them otherwise so as not to interrupt a poll.
504 set_signal_handler(SIGUSR1, SIG_IGN);
505 if (run.poll_interval && getuid() == ROOT_UID)
506 set_signal_handler(SIGHUP, SIG_IGN);
510 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
512 if (!freopen(run.logfile, "a", stdout))
513 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
514 if (!freopen(run.logfile, "a", stderr))
515 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
523 /* beyond here we don't want more than one fetchmail running per user */
525 set_signal_handler(SIGABRT, terminate_run);
526 set_signal_handler(SIGINT, terminate_run);
527 set_signal_handler(SIGTERM, terminate_run);
528 set_signal_handler(SIGALRM, terminate_run);
529 set_signal_handler(SIGPIPE, terminate_run);
530 set_signal_handler(SIGQUIT, terminate_run);
532 /* here's the exclusion lock */
536 * Query all hosts. If there's only one, the error return will
537 * reflect the status of that transaction.
541 * Check to see if the rcfile has been touched. If so,
542 * re-exec so the file will be reread. Doing it this way
543 * avoids all the complications of trying to deallocate the
544 * in-core control structures -- and the potential memory
549 if (stat(rcfile, &rcstat) == -1)
553 GT_("couldn't time-check %s (error %d)\n"),
556 else if (rcstat.st_mtime > parsetime)
558 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
561 /* restore the startup directory */
562 if (!currentwd[0] || chdir (currentwd) == -1)
563 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
567 * Matthias Andree: Isn't this prone to introduction of
568 * "false" programs by interfering with PATH? Those
569 * path-searching execs might not be the best ideas for
572 * Rob Funk: But is there any way for someone to modify
573 * the PATH variable of a running fetchmail? I don't know
576 * Dave's change makes fetchmail restart itself in exactly
577 * the way it was started from the shell (or shell script)
578 * in the first place. If you're concerned about PATH
579 * contamination, call fetchmail initially with a full
580 * path, and use Dave's patch.
582 * Not using a -p variant of exec means that the restart
583 * will break if both (a) the user depended on PATH to
584 * call fetchmail in the first place, and (b) the system
585 * doesn't save the whole path in argv[0] if the whole
586 * path wasn't used in the initial call. (If I recall
587 * correctly, Linux saves it but many other Unices don't.)
589 execvp(argv[0], argv);
590 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
593 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
595 * This was an efficiency hack that backfired. The theory
596 * was that using TCP/IP for DNS queries would get us better
597 * reliability and shave off some per-UDP-packet costs.
598 * Unfortunately it interacted badly with diald, which effectively
599 * filters out DNS queries over TCP/IP for reasons having to do
600 * with some obscure Linux kernel problem involving bootstrapping of
601 * dynamically-addressed links. I don't understand this mess
602 * and don't want to, so it's "See ya!" to this hack.
604 sethostent(TRUE); /* use TCP/IP for mailserver queries */
605 #endif /* HAVE_RES_SEARCH */
609 for (ctl = querylist; ctl; ctl = ctl->next)
613 if (!(implicitmode && ctl->server.skip))
618 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
619 ctl->server.pollname);
623 /* check skip interval first so that it counts all polls */
624 if (run.poll_interval && ctl->server.interval)
626 if (ctl->server.poll_count++ % ctl->server.interval)
628 if (outlevel >= O_VERBOSE)
630 GT_("interval not reached, not querying %s\n"),
631 ctl->server.pollname);
636 #if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
638 * Don't do monitoring if we were woken by a signal.
639 * Note that interface_approve() does its own error logging.
641 if (!interface_approve(&ctl->server, !lastsig))
643 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
645 dofastuidl = 0; /* this is reset in the driver if required */
647 querystatus = query_host(ctl);
649 if (NUM_NONZERO(ctl->fastuidl))
650 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
652 /* leave the UIDL state alone if there have been any errors */
654 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
657 uid_discard_new_list(ctl);
659 #endif /* POP3_ENABLE */
661 if (querystatus == PS_SUCCESS)
663 else if (!check_only &&
664 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
668 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
670 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
672 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
674 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
676 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
678 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
680 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
682 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
684 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
686 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
688 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
690 report(stdout,GT_("Query status=11 (DNS)\n")); break;
692 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
694 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
696 report(stdout,GT_("Query status=%d\n"),querystatus);
700 #if (defined(linux) && !defined(INET6_ENABLE)) || defined (__FreeBSD__)
701 if (ctl->server.monitor)
704 * Allow some time for the link to quiesce. One
705 * second is usually sufficient, three is safe.
706 * Note: this delay is important - don't remove!
709 interface_note_activity(&ctl->server);
711 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
715 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
716 endhostent(); /* release TCP/IP connection to nameserver */
717 #endif /* HAVE_RES_SEARCH */
719 /* close connections cleanly */
723 * OK, we've polled. Now sleep.
725 if (run.poll_interval)
728 * Because passwords can expire, it may happen that *all*
729 * hosts are now out of the loop due to authfail
730 * conditions. If this happens daemon-mode fetchmail
731 * should softly and silently vanish away, rather than
732 * spinning uselessly.
736 for (ctl = querylist; ctl; ctl = ctl->next)
737 if (ctl->active && !(implicitmode && ctl->server.skip))
742 report(stderr, GT_("All connections are wedged. Exiting.\n"));
743 /* FIXME: someday, send notification mail */
747 if (outlevel > O_SILENT)
749 GT_("sleeping at %s\n"), timestamp());
752 * With this simple hack, we make it possible for a foreground
753 * fetchmail to wake up one in daemon mode. What we want is the
754 * side effect of interrupting any sleep that may be going on,
755 * forcing fetchmail to re-poll its hosts. The second line is
756 * for people who think all system daemons wake up on SIGHUP.
758 set_signal_handler(SIGUSR1, donothing);
759 if (getuid() != ROOT_UID)
760 set_signal_handler(SIGHUP, donothing);
763 * OK, now pause until it's time for the next poll cycle.
764 * A nonzero return indicates we received a wakeup signal;
765 * unwedge all servers in case the problem has been
768 if ((lastsig = interruptible_idle(run.poll_interval)))
770 if (outlevel > O_SILENT)
771 #ifdef SYS_SIGLIST_DECLARED
773 GT_("awakened by %s\n"), sys_siglist[lastsig]);
776 GT_("awakened by signal %d\n"), lastsig);
778 for (ctl = querylist; ctl; ctl = ctl->next)
782 if (outlevel > O_SILENT)
783 report(stdout, GT_("awakened at %s\n"), timestamp());
788 if (outlevel >= O_VERBOSE)
789 report(stdout, GT_("normal termination, status %d\n"),
790 successes ? PS_SUCCESS : querystatus);
796 else if (querystatus)
799 /* in case we interrupted before a successful fetch */
803 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
806 * If force is off, modify dstl fields only when they're empty (treat srcl
807 * as defaults). If force is on, modify each dstl field whenever scrcl
808 * is nonempty (treat srcl as an override).
810 if (force ? !!*srcl : !*dstl)
812 struct idlist *cpl = copy_str_list(*srcl);
814 append_str_list(dstl, &cpl);
818 static void optmerge(struct query *h2, struct query *h1, int force)
819 /* merge two options records */
821 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
822 list_merge(&h2->localnames, &h1->localnames, force);
823 list_merge(&h2->mailboxes, &h1->mailboxes, force);
824 list_merge(&h2->smtphunt, &h1->smtphunt, force);
825 list_merge(&h2->domainlist, &h1->domainlist, force);
826 list_merge(&h2->antispam, &h1->antispam, force);
828 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
829 FLAG_MERGE(server.via);
830 FLAG_MERGE(server.protocol);
832 FLAG_MERGE(server.service);
833 FLAG_MERGE(server.netsec);
834 #else /* INET6_ENABLE */
835 FLAG_MERGE(server.port);
836 #endif /* INET6_ENABLE */
837 FLAG_MERGE(server.interval);
838 FLAG_MERGE(server.authenticate);
839 FLAG_MERGE(server.timeout);
840 FLAG_MERGE(server.envelope);
841 FLAG_MERGE(server.envskip);
842 FLAG_MERGE(server.qvirtual);
843 FLAG_MERGE(server.skip);
844 FLAG_MERGE(server.dns);
845 FLAG_MERGE(server.checkalias);
846 FLAG_MERGE(server.uidl);
847 FLAG_MERGE(server.principal);
849 #if defined(linux) || defined(__FreeBSD__)
850 FLAG_MERGE(server.interface);
851 FLAG_MERGE(server.monitor);
852 FLAG_MERGE(server.interface_pair);
853 #endif /* linux || defined(__FreeBSD__) */
855 FLAG_MERGE(server.plugin);
856 FLAG_MERGE(server.plugout);
858 FLAG_MERGE(wildcard);
859 FLAG_MERGE(remotename);
860 FLAG_MERGE(password);
863 FLAG_MERGE(listener);
864 FLAG_MERGE(smtpaddress);
865 FLAG_MERGE(smtpname);
866 FLAG_MERGE(preconnect);
867 FLAG_MERGE(postconnect);
871 FLAG_MERGE(fetchall);
875 FLAG_MERGE(pass8bits);
876 FLAG_MERGE(dropstatus);
877 FLAG_MERGE(dropdelivered);
878 FLAG_MERGE(mimedecode);
881 FLAG_MERGE(warnings);
882 FLAG_MERGE(fetchlimit);
883 FLAG_MERGE(fetchsizelimit);
884 FLAG_MERGE(fastuidl);
885 FLAG_MERGE(batchlimit);
890 FLAG_MERGE(sslproto);
891 FLAG_MERGE(sslcertck);
892 FLAG_MERGE(sslcertpath);
893 FLAG_MERGE(sslfingerprint);
897 FLAG_MERGE(tracepolls);
898 FLAG_MERGE(properties);
902 static int load_params(int argc, char **argv, int optind)
904 int implicitmode, st;
906 struct query def_opts, *ctl;
910 run.bouncemail = TRUE;
911 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
913 memset(&def_opts, '\0', sizeof(struct query));
914 def_opts.smtp_socket = -1;
915 def_opts.smtpaddress = (char *)0;
916 def_opts.smtpname = (char *)0;
917 def_opts.server.protocol = P_AUTO;
918 def_opts.server.timeout = CLIENT_TIMEOUT;
919 def_opts.server.esmtp_name = user;
920 def_opts.warnings = WARNING_INTERVAL;
921 def_opts.remotename = user;
922 def_opts.listener = SMTP_MODE;
923 def_opts.fetchsizelimit = 100;
924 def_opts.fastuidl = 10;
926 /* get the location of rcfile */
928 p = strrchr (rcfile, '/');
929 if (p && (p - rcfile) < sizeof (rcfiledir)) {
930 *p = 0; /* replace '/' by '0' */
931 strcpy (rcfiledir, rcfile);
932 *p = '/'; /* restore '/' */
933 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
934 strcpy (rcfiledir, "/");
937 /* note the parse time, so we can pick up on modifications */
938 parsetime = 0; /* foil compiler warnings */
939 if (stat(rcfile, &rcstat) != -1)
940 parsetime = rcstat.st_mtime;
941 else if (errno != ENOENT)
942 report(stderr, GT_("couldn't time-check the run-control file\n"));
944 /* this builds the host list */
945 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
947 * FIXME: someday, send notification mail here if backgrounded.
948 * Right now, that can happen if the user changes the rcfile
949 * while the fetchmail is running in background. Do similarly
950 * for the other exit() calls in this function.
954 if ((implicitmode = (optind >= argc)))
956 for (ctl = querylist; ctl; ctl = ctl->next)
957 ctl->active = !ctl->server.skip;
960 for (; optind < argc; optind++)
962 flag predeclared = FALSE;
965 * If hostname corresponds to a host known from the rc file,
966 * simply declare it active. Otherwise synthesize a host
967 * record from command line and defaults
969 for (ctl = querylist; ctl; ctl = ctl->next)
970 if (!strcmp(ctl->server.pollname, argv[optind])
971 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
973 /* Is this correct? */
974 if (predeclared && outlevel == O_VERBOSE)
975 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
983 * Allocate and link record without copying in
984 * command-line args; we'll do that with the optmerge
987 ctl = hostalloc((struct query *)NULL);
989 ctl->server.pollname = xstrdup(argv[optind]);
991 ctl->server.lead_server = (struct hostdata *)NULL;
996 * If there's a defaults record, merge it and lose it.
998 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
1000 for (ctl = querylist->next; ctl; ctl = ctl->next)
1001 optmerge(ctl, querylist, FALSE);
1002 querylist = querylist->next;
1005 /* don't allow a defaults record after the first */
1006 for (ctl = querylist; ctl; ctl = ctl->next)
1007 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1010 /* use localhost if we never fetch the FQDN of this host */
1011 fetchmailhost = "localhost";
1013 /* here's where we override globals */
1014 if (cmd_run.logfile)
1015 run.logfile = cmd_run.logfile;
1017 run.idfile = cmd_run.idfile;
1018 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1019 if (cmd_run.poll_interval >= 0)
1020 run.poll_interval = cmd_run.poll_interval;
1021 if (cmd_run.invisible)
1022 run.invisible = cmd_run.invisible;
1023 if (cmd_run.showdots)
1024 run.showdots = cmd_run.showdots;
1025 if (cmd_run.use_syslog)
1026 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1027 if (cmd_run.postmaster)
1028 run.postmaster = cmd_run.postmaster;
1029 if (cmd_run.bouncemail)
1030 run.bouncemail = cmd_run.bouncemail;
1032 /* check and daemon options are not compatible */
1033 if (check_only && run.poll_interval)
1034 run.poll_interval = 0;
1037 * DNS support is required for some protocols. We used to
1038 * do this unconditionally, but it made fetchmail excessively
1039 * vulnerable to misconfigured DNS setups.
1041 * If we're using ETRN or ODMR, the smtp hunt list is the
1042 * list of systems we're polling on behalf of; these have
1043 * to be fully-qualified domain names. The default for
1044 * this list should be the FQDN of localhost.
1046 * If we're using Kerberos for authentication, we need
1047 * the FQDN in order to generate capability keys.
1049 if (strcmp(fetchmailhost, "localhost") == 0)
1050 for (ctl = querylist; ctl; ctl = ctl->next)
1052 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1053 || ctl->server.authenticate == A_KERBEROS_V4
1054 || ctl->server.authenticate == A_KERBEROS_V5))
1056 fetchmailhost = host_fqdn();
1060 /* merge in wired defaults, do sanity checks and prepare internal fields */
1061 for (ctl = querylist; ctl; ctl = ctl->next)
1063 ctl->wedged = FALSE;
1065 /* merge in defaults */
1066 optmerge(ctl, &def_opts, FALSE);
1068 /* force command-line options */
1069 optmerge(ctl, &cmd_opts, TRUE);
1072 * queryname has to be set up for inactive servers too.
1073 * Otherwise the UIDL code core-dumps on startup.
1075 if (ctl->server.via)
1076 ctl->server.queryname = xstrdup(ctl->server.via);
1078 ctl->server.queryname = xstrdup(ctl->server.pollname);
1081 * We no longer do DNS lookups at startup.
1082 * This is a kluge. It enables users to edit their
1083 * configurations when DNS isn't available.
1085 ctl->server.truename = xstrdup(ctl->server.queryname);
1087 if (configdump || ctl->active )
1089 /* this code enables flags to be turned off */
1090 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1092 else if (flag == FLAG_FALSE)\
1096 DEFAULT(ctl->keep, FALSE);
1097 DEFAULT(ctl->fetchall, FALSE);
1098 DEFAULT(ctl->flush, FALSE);
1099 DEFAULT(ctl->rewrite, TRUE);
1100 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1101 DEFAULT(ctl->forcecr, FALSE);
1102 DEFAULT(ctl->pass8bits, FALSE);
1103 DEFAULT(ctl->dropstatus, FALSE);
1104 DEFAULT(ctl->dropdelivered, FALSE);
1105 DEFAULT(ctl->mimedecode, FALSE);
1106 DEFAULT(ctl->idle, FALSE);
1107 DEFAULT(ctl->server.dns, TRUE);
1108 DEFAULT(ctl->server.uidl, FALSE);
1110 DEFAULT(ctl->use_ssl, FALSE);
1111 DEFAULT(ctl->sslcertck, FALSE);
1113 DEFAULT(ctl->server.checkalias, FALSE);
1117 report(stderr, GT_("SSL support is not compiled in.\n"));
1120 #endif /* SSL_ENABLE */
1121 /* one global gets treated specially */
1122 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1126 * Make sure we have a nonempty host list to forward to.
1129 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1132 * Make sure we have a nonempty list of domains to fetch from.
1134 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1135 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1137 /* if `user' doesn't name a real local user, try to run as root */
1138 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1141 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1142 if (!ctl->localnames) /* for local delivery via SMTP */
1143 save_str_pair(&ctl->localnames, user, NULL);
1145 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1146 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1147 if (ctl->localnames && ctl->localnames->next && ctl->server.dns)
1149 ctl->server.dns = FALSE;
1150 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1152 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1154 /* if no folders were specified, set up the null one as default */
1155 if (!ctl->mailboxes)
1156 save_str(&ctl->mailboxes, (char *)NULL, 0);
1158 /* maybe user overrode timeout on command line? */
1159 if (ctl->server.timeout == -1)
1160 ctl->server.timeout = CLIENT_TIMEOUT;
1162 #ifndef INET6_ENABLE
1164 if (ctl->server.port < 0)
1166 (void) fprintf(stderr,
1167 GT_("%s configuration invalid, port number cannot be negative\n"),
1168 ctl->server.pollname);
1171 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1173 (void) fprintf(stderr,
1174 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1175 ctl->server.pollname);
1178 if (ctl->listener == LMTP_MODE)
1182 for (idp = ctl->smtphunt; idp; idp = idp->next)
1186 if (!(cp = strrchr(idp->id, '/')) ||
1187 (atoi(++cp) == SMTP_PORT))
1189 (void) fprintf(stderr,
1190 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1191 ctl->server.pollname);
1196 #endif /* !INET6_ENABLE */
1199 * "I beg to you, have mercy on the week minds like myself."
1200 * wrote Pehr Anderson. Your petition is granted.
1202 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1204 (void) fprintf(stderr,
1205 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1212 /* initialize UID handling */
1213 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1216 initialize_saved_lists(querylist, run.idfile);
1217 #endif /* POP3_ENABLE */
1220 * If the user didn't set a last-resort user to get misaddressed
1221 * multidrop mail, set an appropriate default here.
1223 if (!run.postmaster)
1225 if (getuid() != ROOT_UID) /* ordinary user */
1226 run.postmaster = user;
1228 run.postmaster = "postmaster";
1231 return(implicitmode);
1234 static RETSIGTYPE terminate_poll(int sig)
1235 /* to be executed at the end of a poll cycle */
1238 * Close all SMTP delivery sockets. For optimum performance
1239 * we'd like to hold them open til end of run, but (1) this
1240 * loses if our poll interval is longer than the MTA's inactivity
1241 * timeout, and (2) some MTAs (like smail) don't deliver after
1242 * each message, but rather queue up mail and wait to actually
1243 * deliver it until the input socket is closed.
1245 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1246 * subtle bug. If fetchmail was terminated by signal while it was
1247 * shipping message text, it would hang forever waiting for a
1248 * command acknowledge. In theory we could enable the QUIT
1249 * only outside of the message send. In practice, we don't
1250 * care. All mailservers hang up on a dropped TCP/IP connection
1255 report(stdout, GT_("terminated with signal %d\n"), sig);
1260 /* terminate all SMTP connections cleanly */
1261 for (ctl = querylist; ctl; ctl = ctl->next)
1262 if (ctl->smtp_socket != -1)
1264 /* don't send QUIT for ODMR case because we're acting
1265 as a proxy between the SMTP server and client. */
1266 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1272 * Update UID information at end of each poll, rather than at end
1273 * of run, because that way we don't lose all UIDL information since
1274 * the beginning of time if fetchmail crashes.
1277 write_saved_lists(querylist, run.idfile);
1278 #endif /* POP3_ENABLE */
1281 static RETSIGTYPE terminate_run(int sig)
1282 /* to be executed on normal or signal-induced termination */
1286 terminate_poll(sig);
1289 * Craig Metz, the RFC1938 one-time-password guy, points out:
1290 * "Remember that most kernels don't zero pages before handing them to the
1291 * next process and many kernels share pages between user and kernel space.
1292 * You'd be very surprised what you can find from a short program to do a
1293 * malloc() and then dump the contents of the pages you got. By zeroing
1294 * the secrets at end of run (earlier if you can), you make sure the next
1295 * guy can't get the password/pass phrase."
1297 * Right you are, Craig!
1299 for (ctl = querylist; ctl; ctl = ctl->next)
1301 memset(ctl->password, '\0', strlen(ctl->password));
1303 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1307 if (activecount == 0)
1310 exit(successes ? PS_SUCCESS : querystatus);
1314 * Sequence of protocols to try when autoprobing, most capable to least.
1316 static const int autoprobe[] =
1320 #endif /* IMAP_ENABLE */
1323 #endif /* POP3_ENABLE */
1326 #endif /* POP2_ENABLE */
1329 static int query_host(struct query *ctl)
1330 /* perform fetch transaction with single host */
1335 * If we're syslogging the progress messages are automatically timestamped.
1336 * Force timestamping if we're going to a logfile.
1338 if (outlevel >= O_VERBOSE)
1340 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1342 ctl->server.pollname,
1343 showproto(ctl->server.protocol),
1347 switch (ctl->server.protocol) {
1349 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1351 ctl->server.protocol = autoprobe[i];
1353 st = query_host(ctl);
1356 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1359 ctl->server.protocol = P_AUTO;
1365 report(stderr, GT_("POP2 support is not configured.\n"));
1367 #endif /* POP2_ENABLE */
1375 } while (st == PS_REPOLL);
1377 report(stderr, GT_("POP3 support is not configured.\n"));
1379 #endif /* POP3_ENABLE */
1385 } while (st == PS_REPOLL);
1387 report(stderr, GT_("IMAP support is not configured.\n"));
1389 #endif /* IMAP_ENABLE */
1393 report(stderr, GT_("ETRN support is not configured.\n"));
1396 #ifdef HAVE_GETHOSTBYNAME
1399 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1401 #endif /* HAVE_GETHOSTBYNAME */
1403 #endif /* ETRN_ENABLE */
1406 report(stderr, GT_("ODMR support is not configured.\n"));
1409 #ifdef HAVE_GETHOSTBYNAME
1412 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1414 #endif /* HAVE_GETHOSTBYNAME */
1415 #endif /* ODMR_ENABLE */
1418 report(stderr, GT_("unsupported protocol selected.\n"));
1423 * If we're syslogging the progress messages are automatically timestamped.
1424 * Force timestamping if we're going to a logfile.
1426 if (outlevel >= O_VERBOSE)
1428 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1430 ctl->server.pollname,
1431 showproto(ctl->server.protocol),
1438 static void dump_params (struct runctl *runp,
1439 struct query *querylist, flag implicit)
1440 /* display query parameters in English */
1444 if (runp->poll_interval)
1445 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1447 printf(GT_("Logfile is %s\n"), runp->logfile);
1448 if (strcmp(runp->idfile, IDFILE_NAME))
1449 printf(GT_("Idfile is %s\n"), runp->idfile);
1450 #if defined(HAVE_SYSLOG)
1451 if (runp->use_syslog)
1452 printf(GT_("Progress messages will be logged via syslog\n"));
1454 if (runp->invisible)
1455 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1457 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1458 if (runp->postmaster)
1459 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1462 if (!runp->bouncemail)
1463 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1464 else if (outlevel >= O_VERBOSE)
1465 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1467 for (ctl = querylist; ctl; ctl = ctl->next)
1469 if (!ctl->active || (implicit && ctl->server.skip))
1472 printf(GT_("Options for retrieving from %s@%s:\n"),
1473 ctl->remotename, visbuf(ctl->server.pollname));
1475 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1476 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1478 if (ctl->server.interval)
1479 printf(GT_(" Poll of this server will occur every %d intervals.\n"),
1480 ctl->server.interval);
1481 if (ctl->server.truename)
1482 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1483 if (ctl->server.skip || outlevel >= O_VERBOSE)
1484 printf(GT_(" This host %s be queried when no host is specified.\n"),
1485 ctl->server.skip ? GT_("will not") : GT_("will"));
1486 if (!NO_PASSWORD(ctl))
1489 printf(GT_(" Password will be prompted for.\n"));
1490 else if (outlevel >= O_VERBOSE)
1492 if (ctl->server.protocol == P_APOP)
1493 printf(GT_(" APOP secret = \"%s\".\n"),
1494 visbuf(ctl->password));
1495 else if (ctl->server.protocol == P_RPOP)
1496 printf(GT_(" RPOP id = \"%s\".\n"),
1497 visbuf(ctl->password));
1499 printf(GT_(" Password = \"%s\".\n"),
1500 visbuf(ctl->password));
1504 if (ctl->server.protocol == P_POP3
1506 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1507 #else /* INET6_ENABLE */
1508 && ctl->server.port == KPOP_PORT
1509 #endif /* INET6_ENABLE */
1510 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1511 ctl->server.authenticate == A_KERBEROS_V5))
1512 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1513 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1515 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1517 if (ctl->server.service)
1518 printf(GT_(" (using service %s)"), ctl->server.service);
1519 if (ctl->server.netsec)
1520 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1521 #else /* INET6_ENABLE */
1522 if (ctl->server.port)
1523 printf(GT_(" (using port %d)"), ctl->server.port);
1524 #endif /* INET6_ENABLE */
1525 else if (outlevel >= O_VERBOSE)
1526 printf(GT_(" (using default port)"));
1527 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1528 printf(GT_(" (forcing UIDL use)"));
1531 switch (ctl->server.authenticate)
1534 printf(GT_(" All available authentication methods will be tried.\n"));
1537 printf(GT_(" Password authentication will be forced.\n"));
1540 printf(GT_(" NTLM authentication will be forced.\n"));
1543 printf(GT_(" OTP authentication will be forced.\n"));
1546 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1549 printf(GT_(" GSSAPI authentication will be forced.\n"));
1552 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1555 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1558 printf(GT_(" End-to-end encryption assumed.\n"));
1561 if (ctl->server.principal != (char *) NULL)
1562 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1565 printf(GT_(" SSL encrypted sessions enabled.\n"));
1567 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1568 if (ctl->sslcertck) {
1569 printf(GT_(" SSL server certificate checking enabled.\n"));
1570 if (ctl->sslcertpath != NULL)
1571 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1573 if (ctl->sslfingerprint != NULL)
1574 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1576 if (ctl->server.timeout > 0)
1577 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1578 if (ctl->server.timeout == CLIENT_TIMEOUT)
1579 printf(GT_(" (default).\n"));
1583 if (MAILBOX_PROTOCOL(ctl))
1585 if (!ctl->mailboxes->id)
1586 printf(GT_(" Default mailbox selected.\n"));
1591 printf(GT_(" Selected mailboxes are:"));
1592 for (idp = ctl->mailboxes; idp; idp = idp->next)
1593 printf(" %s", (char *)idp->id);
1596 printf(GT_(" %s messages will be retrieved (--all %s).\n"),
1597 ctl->fetchall ? GT_("All") : GT_("Only new"),
1598 ctl->fetchall ? "on" : "off");
1599 printf(GT_(" Fetched messages %s be kept on the server (--keep %s).\n"),
1600 ctl->keep ? GT_("will") : GT_("will not"),
1601 ctl->keep ? "on" : "off");
1602 printf(GT_(" Old messages %s be flushed before message retrieval (--flush %s).\n"),
1603 ctl->flush ? GT_("will") : GT_("will not"),
1604 ctl->flush ? "on" : "off");
1605 printf(GT_(" Rewrite of server-local addresses is %s (--norewrite %s).\n"),
1606 ctl->rewrite ? GT_("enabled") : GT_("disabled"),
1607 ctl->rewrite ? "off" : "on");
1608 printf(GT_(" Carriage-return stripping is %s (stripcr %s).\n"),
1609 ctl->stripcr ? GT_("enabled") : GT_("disabled"),
1610 ctl->stripcr ? "on" : "off");
1611 printf(GT_(" Carriage-return forcing is %s (forcecr %s).\n"),
1612 ctl->forcecr ? GT_("enabled") : GT_("disabled"),
1613 ctl->forcecr ? "on" : "off");
1614 printf(GT_(" Interpretation of Content-Transfer-Encoding is %s (pass8bits %s).\n"),
1615 ctl->pass8bits ? GT_("disabled") : GT_("enabled"),
1616 ctl->pass8bits ? "on" : "off");
1617 printf(GT_(" MIME decoding is %s (mimedecode %s).\n"),
1618 ctl->mimedecode ? GT_("enabled") : GT_("disabled"),
1619 ctl->mimedecode ? "on" : "off");
1620 printf(GT_(" Idle after poll is %s (idle %s).\n"),
1621 ctl->idle ? GT_("enabled") : GT_("disabled"),
1622 ctl->idle ? "on" : "off");
1623 printf(GT_(" Nonempty Status lines will be %s (dropstatus %s)\n"),
1624 ctl->dropstatus ? GT_("discarded") : GT_("kept"),
1625 ctl->dropstatus ? "on" : "off");
1626 printf(GT_(" Delivered-To lines will be %s (dropdelivered %s)\n"),
1627 ctl->dropdelivered ? GT_("discarded") : GT_("kept"),
1628 ctl->dropdelivered ? "on" : "off");
1629 if (NUM_NONZERO(ctl->limit))
1631 if (NUM_NONZERO(ctl->limit))
1632 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1633 ctl->limit, ctl->limit);
1634 else if (outlevel >= O_VERBOSE)
1635 printf(GT_(" No message size limit (--limit 0).\n"));
1636 if (run.poll_interval > 0)
1637 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1638 ctl->warnings, ctl->warnings);
1639 else if (outlevel >= O_VERBOSE)
1640 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1642 if (NUM_NONZERO(ctl->fetchlimit))
1643 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1644 ctl->fetchlimit, ctl->fetchlimit);
1645 else if (outlevel >= O_VERBOSE)
1646 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1647 if (NUM_NONZERO(ctl->fetchsizelimit))
1648 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1649 ctl->fetchsizelimit, ctl->fetchsizelimit);
1650 else if (outlevel >= O_VERBOSE)
1651 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1652 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1654 if (ctl->fastuidl == 1)
1655 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1657 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1659 else if (outlevel >= O_VERBOSE)
1660 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1661 if (NUM_NONZERO(ctl->batchlimit))
1662 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1663 else if (outlevel >= O_VERBOSE)
1664 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1665 if (MAILBOX_PROTOCOL(ctl))
1667 if (NUM_NONZERO(ctl->expunge))
1668 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1669 else if (outlevel >= O_VERBOSE)
1670 printf(GT_(" No forced expunges (--expunge 0).\n"));
1673 else /* ODMR or ETRN */
1677 printf(GT_(" Domains for which mail will be fetched are:"));
1678 for (idp = ctl->domainlist; idp; idp = idp->next)
1680 printf(" %s", (char *)idp->id);
1681 if (!idp->val.status.mark)
1682 printf(GT_(" (default)"));
1687 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1688 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1689 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1696 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1698 for (idp = ctl->smtphunt; idp; idp = idp->next)
1700 printf(" %s", (char *)idp->id);
1701 if (!idp->val.status.mark)
1702 printf(GT_(" (default)"));
1706 if (ctl->smtpaddress)
1707 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1710 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1713 if (MAILBOX_PROTOCOL(ctl))
1715 if (ctl->antispam != (struct idlist *)NULL)
1719 printf(GT_(" Recognized listener spam block responses are:"));
1720 for (idp = ctl->antispam; idp; idp = idp->next)
1721 printf(" %d", idp->val.status.num);
1724 else if (outlevel >= O_VERBOSE)
1725 printf(GT_(" Spam-blocking disabled\n"));
1727 if (ctl->preconnect)
1728 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1729 visbuf(ctl->preconnect));
1730 else if (outlevel >= O_VERBOSE)
1731 printf(GT_(" No pre-connection command.\n"));
1732 if (ctl->postconnect)
1733 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1734 visbuf(ctl->postconnect));
1735 else if (outlevel >= O_VERBOSE)
1736 printf(GT_(" No post-connection command.\n"));
1737 if (MAILBOX_PROTOCOL(ctl)) {
1738 if (!ctl->localnames)
1739 printf(GT_(" No localnames declared for this host.\n"));
1745 for (idp = ctl->localnames; idp; idp = idp->next)
1748 if (count > 1 || ctl->wildcard)
1749 printf(GT_(" Multi-drop mode: "));
1751 printf(GT_(" Single-drop mode: "));
1753 printf(GT_("%d local name(s) recognized.\n"), count);
1754 if (outlevel >= O_VERBOSE)
1756 for (idp = ctl->localnames; idp; idp = idp->next)
1758 printf("\t%s -> %s\n", (char *)idp->id, (char *)idp->val.id2);
1760 printf("\t%s\n", (char *)idp->id);
1762 fputs("\t*\n", stdout);
1765 if (count > 1 || ctl->wildcard)
1767 printf(GT_(" DNS lookup for multidrop addresses is %s.\n"),
1768 ctl->server.dns ? GT_("enabled") : GT_("disabled"));
1769 if (ctl->server.dns)
1771 printf(GT_(" Server aliases will be compared with multidrop addresses by "));
1772 if (ctl->server.checkalias)
1773 printf(GT_("IP address.\n"));
1775 printf(GT_("name.\n"));
1777 if (ctl->server.envelope == STRING_DISABLED)
1778 printf(GT_(" Envelope-address routing is disabled\n"));
1781 printf(GT_(" Envelope header is assumed to be: %s\n"),
1782 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1783 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1784 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1785 ctl->server.envskip);
1786 if (ctl->server.qvirtual)
1787 printf(GT_(" Prefix %s will be removed from user id\n"),
1788 ctl->server.qvirtual);
1789 else if (outlevel >= O_VERBOSE)
1790 printf(GT_(" No prefix stripping\n"));
1793 if (ctl->server.akalist)
1797 printf(GT_(" Predeclared mailserver aliases:"));
1798 for (idp = ctl->server.akalist; idp; idp = idp->next)
1799 printf(" %s", (char *)idp->id);
1802 if (ctl->server.localdomains)
1806 printf(GT_(" Local domains:"));
1807 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1808 printf(" %s", (char *)idp->id);
1814 #if defined(linux) || defined(__FreeBSD__)
1815 if (ctl->server.interface)
1816 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1817 else if (outlevel >= O_VERBOSE)
1818 printf(GT_(" No interface requirement specified.\n"));
1819 if (ctl->server.monitor)
1820 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1821 else if (outlevel >= O_VERBOSE)
1822 printf(GT_(" No monitor interface specified.\n"));
1825 if (ctl->server.plugin)
1826 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1827 else if (outlevel >= O_VERBOSE)
1828 printf(GT_(" No plugin command specified.\n"));
1829 if (ctl->server.plugout)
1830 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1831 else if (outlevel >= O_VERBOSE)
1832 printf(GT_(" No plugout command specified.\n"));
1834 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1837 printf(GT_(" No UIDs saved from this host.\n"));
1843 for (idp = ctl->oldsaved; idp; idp = idp->next)
1846 printf(GT_(" %d UIDs saved.\n"), count);
1847 if (outlevel >= O_VERBOSE)
1848 for (idp = ctl->oldsaved; idp; idp = idp->next)
1849 printf("\t%s\n", (char *)idp->id);
1853 if (ctl->tracepolls)
1854 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1855 else if (outlevel >= O_VERBOSE)
1856 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1858 if (ctl->properties)
1859 printf(GT_(" Pass-through properties \"%s\".\n"),
1860 visbuf(ctl->properties));
1864 /* fetchmail.c ends here */