2 * fetchmail.c -- main driver module for fetchmail
4 * For license terms, see the file COPYING in this directory.
9 #if defined(STDC_HEADERS)
12 #if defined(HAVE_UNISTD_H)
18 #if defined(HAVE_SYSLOG)
26 #include <sys/types.h>
29 #include <sys/resource.h>
30 #endif /* HAVE_SETRLIMIT */
33 #include <socks.h> /* SOCKSinit() */
34 #endif /* HAVE_SOCKS */
36 #ifdef HAVE_LANGINFO_H
40 #include "fetchmail.h"
48 #define ENETUNREACH 128 /* Interactive doesn't know this */
49 #endif /* ENETUNREACH */
51 /* prototypes for internal functions */
52 static int load_params(int, char **, int);
53 static void dump_params (struct runctl *runp, struct query *, flag implicit);
54 static int query_host(struct query *);
56 /* controls the detail level of status/progress messages written to stderr */
57 int outlevel; /* see the O_.* constants above */
59 /* miscellaneous global controls */
60 struct runctl run; /* global controls for this run */
61 flag nodetach; /* if TRUE, don't detach daemon process */
62 flag quitmode; /* if --quit was set */
63 flag check_only; /* if --probe was set */
64 flag versioninfo; /* emit only version info */
65 char *user; /* the name of the invoking user */
66 char *home; /* invoking user's home directory */
67 char *fmhome; /* fetchmail's home directory */
68 char *program_name; /* the name to prefix error messages with */
69 flag configdump; /* dump control blocks for configurator */
70 char *fetchmailhost; /* either `localhost' or the host's FQDN */
75 #endif /* NET_SECURITY */
77 static int querystatus; /* status of query */
78 static int successes; /* count number of successful polls */
79 static int activecount; /* count number of active entries */
80 static struct runctl cmd_run; /* global options set from command line */
81 static time_t parsetime; /* time of last parse */
83 static RETSIGTYPE terminate_run(int);
84 static RETSIGTYPE terminate_poll(int);
86 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
87 /* drop SGID kmem privileage until we need it */
88 static void dropprivs(void)
98 if (gr && !strcmp(gr->gr_name, "kmem"))
100 extern void interface_set_gids(gid_t egid, gid_t rgid);
101 interface_set_gids(egid, rgid);
107 #if defined(HAVE_SETLOCALE) && defined(ENABLE_NLS) && defined(HAVE_STRFTIME)
109 static char *timestamp (void)
115 setlocale (LC_TIME, "");
116 strftime (buf, sizeof (buf), "%c", localtime(&now));
117 setlocale (LC_TIME, "C");
121 #define timestamp rfc822timestamp
124 static RETSIGTYPE donothing(int sig)
126 set_signal_handler(sig, donothing);
130 const char *iana_charset;
132 int main(int argc, char **argv)
135 int implicitmode = FALSE;
137 netrc_entry *netrc_list;
138 char *netrc_file, *tmpbuf;
142 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
146 envquery(argc, argv);
148 setlocale (LC_ALL, "");
149 bindtextdomain(PACKAGE, LOCALEDIR);
151 iana_charset = norm_charmap(nl_langinfo(CODESET)); /* normalize local
155 iana_charset = "US-ASCII";
159 * Note: because we can't initialize reporting before we know whether
160 * syslog is supposed to be on, this message will go to stdout and
161 * be lost when running in background.
163 if (outlevel >= O_VERBOSE)
167 report(stdout, GT_("fetchmail: invoked with"));
168 for (i = 0; i < argc; i++)
169 report(stdout, " %s", argv[i]);
170 report(stdout, "\n");
173 #define IDFILE_NAME ".fetchids"
174 run.idfile = prependdir (IDFILE_NAME, fmhome);
179 * We used to arrange for the lock to be removed on exit close
180 * to where the lock was asserted. Now we need to do it here, because
181 * we might have re-executed in background with an existing lock
182 * as the result of a changed rcfile (see the code near the execvp(3)
183 * call near the beginning of the polling loop for details). We want
184 * to be sure the lock gets nuked on any error exit, basically.
189 /* save the current directory */
190 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
191 report(stderr, GT_("could not get current working directory\n"));
196 if ((parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
201 printf(GT_("This is fetchmail release %s"), VERSION);
204 #endif /* POP2_ENABLE */
207 #endif /* POP3_ENABLE */
210 #endif /* IMAP_ENABLE */
216 #endif /* RPA_ENABLE */
219 #endif /* NTLM_ENABLE */
222 #endif /* SDPS_ENABLE */
225 #endif /* ETRN_ENABLE */
228 #endif /* ODMR_ENABLE */
234 #endif /* OPIE_ENABLE */
237 #endif /* INET6_ENABLE */
238 #ifdef HAVE_PKG_hesiod
243 #endif /* NET_SECURITY */
246 #endif /* HAVE_SOCKS */
249 #endif /* ENABLE_NLS */
251 fputs("Fallback MDA: ", stdout);
253 fputs(FALLBACK_MDA, stdout);
255 fputs("(none)", stdout);
260 /* this is an attempt to help remote debugging */
264 /* avoid parsing the config file if all we're doing is killing a daemon */
265 if (!(quitmode && argc == 2))
266 implicitmode = load_params(argc, argv, optind);
268 #if defined(HAVE_SYSLOG)
269 /* logging should be set up early in case we were restarted from exec */
272 #if defined(LOG_MAIL)
273 openlog(program_name, LOG_PID, LOG_MAIL);
275 /* Assume BSD4.2 openlog with two arguments */
276 openlog(program_name, LOG_PID);
282 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
284 /* construct the lockfile */
287 #ifdef HAVE_SETRLIMIT
289 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
290 * Core dumps could otherwise contain passwords to be scavenged by a
293 if (outlevel < O_VERBOSE || run.poll_interval > 0)
295 struct rlimit corelimit;
296 corelimit.rlim_cur = 0;
297 corelimit.rlim_max = 0;
298 setrlimit(RLIMIT_CORE, &corelimit);
300 #endif /* HAVE_SETRLIMIT */
302 #define NETRC_FILE ".netrc"
303 /* parse the ~/.netrc file (if present) for future password lookups. */
304 netrc_file = prependdir (NETRC_FILE, home);
305 netrc_list = parse_netrc(netrc_file);
308 /* pick up passwords where we can */
309 for (ctl = querylist; ctl; ctl = ctl->next)
311 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
313 if (NO_PASSWORD(ctl))
314 /* Server won't care what the password is, but there
315 must be some non-null string here. */
316 ctl->password = ctl->remotename;
321 /* look up the pollname and account in the .netrc file. */
322 p = search_netrc(netrc_list,
323 ctl->server.pollname, ctl->remotename);
324 /* if we find a matching entry with a password, use it */
325 if (p && p->password)
326 ctl->password = xstrdup(p->password);
328 /* otherwise try with "via" name if there is one */
329 else if (ctl->server.via)
331 p = search_netrc(netrc_list,
332 ctl->server.via, ctl->remotename);
333 if (p && p->password)
334 ctl->password = xstrdup(p->password);
340 /* perhaps we just want to check options? */
343 int havercfile = access(rcfile, 0);
345 printf(GT_("Taking options from command line%s%s\n"),
346 havercfile ? "" : GT_(" and "),
347 havercfile ? "" : rcfile);
349 if (querylist == NULL)
351 GT_("No mailservers set up -- perhaps %s is missing?\n"),
354 dump_params(&run, querylist, implicitmode);
358 /* dump options as a Python dictionary, for configurator use */
361 dump_config(&run, querylist);
365 /* check for another fetchmail running concurrently */
368 pid = bkgd ? -pid : pid;
370 /* if no mail servers listed and nothing in background, we're done */
371 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
372 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
376 /* perhaps user asked us to kill the other fetchmail */
381 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
385 else if (getpid() == pid)
387 /* this test enables re-execing on a changed rcfile */
390 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
394 else if (kill(pid, SIGTERM) < 0)
396 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
397 bkgd ? GT_("background") : GT_("foreground"), pid);
402 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
403 bkgd ? GT_("background") : GT_("foreground"), pid);
412 /* another fetchmail is running -- wake it up or die */
418 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
421 else if (!implicitmode)
424 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
431 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
435 else if (getpid() == pid)
436 /* this test enables re-execing on a changed rcfile */
441 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
444 else if (kill(pid, SIGUSR1) == 0)
447 GT_("fetchmail: background fetchmail at %d awakened.\n"),
454 * Should never happen -- possible only if a background fetchmail
455 * croaks after the first kill probe above but before the
456 * SIGUSR1/SIGHUP transmission.
459 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
461 return(PS_UNDEFINED);
465 /* pick up interactively any passwords we need but don't have */
466 for (ctl = querylist; ctl; ctl = ctl->next)
468 if (ctl->active && !(implicitmode && ctl->server.skip)
469 && !NO_PASSWORD(ctl) && !ctl->password)
474 GT_("fetchmail: can't find a password for %s@%s.\n"),
475 ctl->remotename, ctl->server.pollname);
478 const char* password_prompt = GT_("Enter password for %s@%s: ");
480 xalloca(tmpbuf, char *, strlen(password_prompt) +
481 strlen(ctl->remotename) +
482 strlen(ctl->server.pollname) + 1);
483 (void) sprintf(tmpbuf, password_prompt,
484 ctl->remotename, ctl->server.pollname);
485 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
491 * Time to initiate the SOCKS library (this is not mandatory: it just
492 * registers the correct application name for logging purpose. If you
493 * have some problem, comment out these lines).
496 SOCKSinit("fetchmail");
497 #endif /* HAVE_SOCKS */
499 /* avoid zombies from plugins */
503 * Maybe time to go to demon mode...
505 if (run.poll_interval)
508 daemonize(run.logfile, terminate_run);
509 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
512 * We'll set up a handler for these when we're sleeping,
513 * but ignore them otherwise so as not to interrupt a poll.
515 set_signal_handler(SIGUSR1, SIG_IGN);
516 if (run.poll_interval && getuid() == ROOT_UID)
517 set_signal_handler(SIGHUP, SIG_IGN);
521 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
523 if (!freopen(run.logfile, "a", stdout))
524 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
525 if (!freopen(run.logfile, "a", stderr))
526 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
534 /* beyond here we don't want more than one fetchmail running per user */
536 set_signal_handler(SIGABRT, terminate_run);
537 set_signal_handler(SIGINT, terminate_run);
538 set_signal_handler(SIGTERM, terminate_run);
539 set_signal_handler(SIGALRM, terminate_run);
540 set_signal_handler(SIGPIPE, terminate_run);
541 set_signal_handler(SIGQUIT, terminate_run);
543 /* here's the exclusion lock */
547 * Query all hosts. If there's only one, the error return will
548 * reflect the status of that transaction.
552 * Check to see if the rcfile has been touched. If so,
553 * re-exec so the file will be reread. Doing it this way
554 * avoids all the complications of trying to deallocate the
555 * in-core control structures -- and the potential memory
560 if (stat(rcfile, &rcstat) == -1)
564 GT_("couldn't time-check %s (error %d)\n"),
567 else if (rcstat.st_mtime > parsetime)
569 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
572 /* restore the startup directory */
573 if (!currentwd[0] || chdir (currentwd) == -1)
574 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
578 * Matthias Andree: Isn't this prone to introduction of
579 * "false" programs by interfering with PATH? Those
580 * path-searching execs might not be the best ideas for
583 * Rob Funk: But is there any way for someone to modify
584 * the PATH variable of a running fetchmail? I don't know
587 * Dave's change makes fetchmail restart itself in exactly
588 * the way it was started from the shell (or shell script)
589 * in the first place. If you're concerned about PATH
590 * contamination, call fetchmail initially with a full
591 * path, and use Dave's patch.
593 * Not using a -p variant of exec means that the restart
594 * will break if both (a) the user depended on PATH to
595 * call fetchmail in the first place, and (b) the system
596 * doesn't save the whole path in argv[0] if the whole
597 * path wasn't used in the initial call. (If I recall
598 * correctly, Linux saves it but many other Unices don't.)
600 execvp(argv[0], argv);
601 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
604 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
606 * This was an efficiency hack that backfired. The theory
607 * was that using TCP/IP for DNS queries would get us better
608 * reliability and shave off some per-UDP-packet costs.
609 * Unfortunately it interacted badly with diald, which effectively
610 * filters out DNS queries over TCP/IP for reasons having to do
611 * with some obscure Linux kernel problem involving bootstrapping of
612 * dynamically-addressed links. I don't understand this mess
613 * and don't want to, so it's "See ya!" to this hack.
615 sethostent(TRUE); /* use TCP/IP for mailserver queries */
616 #endif /* HAVE_RES_SEARCH */
620 for (ctl = querylist; ctl; ctl = ctl->next)
624 if (!(implicitmode && ctl->server.skip))
629 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
630 ctl->server.pollname);
634 /* check skip interval first so that it counts all polls */
635 if (run.poll_interval && ctl->server.interval)
637 if (ctl->server.poll_count++ % ctl->server.interval)
639 if (outlevel >= O_VERBOSE)
641 GT_("interval not reached, not querying %s\n"),
642 ctl->server.pollname);
647 #if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
649 * Don't do monitoring if we were woken by a signal.
650 * Note that interface_approve() does its own error logging.
652 if (!interface_approve(&ctl->server, !lastsig))
654 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
656 dofastuidl = 0; /* this is reset in the driver if required */
658 querystatus = query_host(ctl);
660 if (NUM_NONZERO(ctl->fastuidl))
661 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
663 /* leave the UIDL state alone if there have been any errors */
665 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
668 uid_discard_new_list(ctl);
670 #endif /* POP3_ENABLE */
672 if (querystatus == PS_SUCCESS)
674 else if (!check_only &&
675 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
679 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
681 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
683 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
685 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
687 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
689 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
691 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
693 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
695 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
697 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
699 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
701 report(stdout,GT_("Query status=11 (DNS)\n")); break;
703 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
705 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
707 report(stdout,GT_("Query status=%d\n"),querystatus);
711 #if (defined(linux) && !defined(INET6_ENABLE)) || defined (__FreeBSD__)
712 if (ctl->server.monitor)
715 * Allow some time for the link to quiesce. One
716 * second is usually sufficient, three is safe.
717 * Note: this delay is important - don't remove!
720 interface_note_activity(&ctl->server);
722 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
726 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
727 endhostent(); /* release TCP/IP connection to nameserver */
728 #endif /* HAVE_RES_SEARCH */
730 /* close connections cleanly */
734 * OK, we've polled. Now sleep.
736 if (run.poll_interval)
739 * Because passwords can expire, it may happen that *all*
740 * hosts are now out of the loop due to authfail
741 * conditions. If this happens daemon-mode fetchmail
742 * should softly and silently vanish away, rather than
743 * spinning uselessly.
747 for (ctl = querylist; ctl; ctl = ctl->next)
748 if (ctl->active && !(implicitmode && ctl->server.skip))
753 report(stderr, GT_("All connections are wedged. Exiting.\n"));
754 /* FIXME: someday, send notification mail */
758 if (outlevel > O_SILENT)
760 GT_("sleeping at %s\n"), timestamp());
763 * With this simple hack, we make it possible for a foreground
764 * fetchmail to wake up one in daemon mode. What we want is the
765 * side effect of interrupting any sleep that may be going on,
766 * forcing fetchmail to re-poll its hosts. The second line is
767 * for people who think all system daemons wake up on SIGHUP.
769 set_signal_handler(SIGUSR1, donothing);
770 if (getuid() != ROOT_UID)
771 set_signal_handler(SIGHUP, donothing);
774 * OK, now pause until it's time for the next poll cycle.
775 * A nonzero return indicates we received a wakeup signal;
776 * unwedge all servers in case the problem has been
779 if ((lastsig = interruptible_idle(run.poll_interval)))
781 if (outlevel > O_SILENT)
782 #ifdef SYS_SIGLIST_DECLARED
784 GT_("awakened by %s\n"), sys_siglist[lastsig]);
787 GT_("awakened by signal %d\n"), lastsig);
789 for (ctl = querylist; ctl; ctl = ctl->next)
793 if (outlevel > O_SILENT)
794 report(stdout, GT_("awakened at %s\n"), timestamp());
799 if (outlevel >= O_VERBOSE)
800 report(stdout, GT_("normal termination, status %d\n"),
801 successes ? PS_SUCCESS : querystatus);
807 else if (querystatus)
810 /* in case we interrupted before a successful fetch */
814 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
817 * If force is off, modify dstl fields only when they're empty (treat srcl
818 * as defaults). If force is on, modify each dstl field whenever scrcl
819 * is nonempty (treat srcl as an override).
821 if (force ? !!*srcl : !*dstl)
823 struct idlist *cpl = copy_str_list(*srcl);
825 append_str_list(dstl, &cpl);
829 static void optmerge(struct query *h2, struct query *h1, int force)
830 /* merge two options records */
832 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
833 list_merge(&h2->localnames, &h1->localnames, force);
834 list_merge(&h2->mailboxes, &h1->mailboxes, force);
835 list_merge(&h2->smtphunt, &h1->smtphunt, force);
836 list_merge(&h2->domainlist, &h1->domainlist, force);
837 list_merge(&h2->antispam, &h1->antispam, force);
839 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
840 FLAG_MERGE(server.via);
841 FLAG_MERGE(server.protocol);
843 FLAG_MERGE(server.service);
844 FLAG_MERGE(server.netsec);
845 #else /* INET6_ENABLE */
846 FLAG_MERGE(server.port);
847 #endif /* INET6_ENABLE */
848 FLAG_MERGE(server.interval);
849 FLAG_MERGE(server.authenticate);
850 FLAG_MERGE(server.timeout);
851 FLAG_MERGE(server.envelope);
852 FLAG_MERGE(server.envskip);
853 FLAG_MERGE(server.qvirtual);
854 FLAG_MERGE(server.skip);
855 FLAG_MERGE(server.dns);
856 FLAG_MERGE(server.checkalias);
857 FLAG_MERGE(server.uidl);
858 FLAG_MERGE(server.principal);
860 #if defined(linux) || defined(__FreeBSD__)
861 FLAG_MERGE(server.interface);
862 FLAG_MERGE(server.monitor);
863 FLAG_MERGE(server.interface_pair);
864 #endif /* linux || defined(__FreeBSD__) */
866 FLAG_MERGE(server.plugin);
867 FLAG_MERGE(server.plugout);
869 FLAG_MERGE(wildcard);
870 FLAG_MERGE(remotename);
871 FLAG_MERGE(password);
874 FLAG_MERGE(listener);
875 FLAG_MERGE(smtpaddress);
876 FLAG_MERGE(smtpname);
877 FLAG_MERGE(preconnect);
878 FLAG_MERGE(postconnect);
882 FLAG_MERGE(fetchall);
886 FLAG_MERGE(pass8bits);
887 FLAG_MERGE(dropstatus);
888 FLAG_MERGE(dropdelivered);
889 FLAG_MERGE(mimedecode);
892 FLAG_MERGE(warnings);
893 FLAG_MERGE(fetchlimit);
894 FLAG_MERGE(fetchsizelimit);
895 FLAG_MERGE(fastuidl);
896 FLAG_MERGE(batchlimit);
901 FLAG_MERGE(sslproto);
902 FLAG_MERGE(sslcertck);
903 FLAG_MERGE(sslcertpath);
904 FLAG_MERGE(sslfingerprint);
908 FLAG_MERGE(tracepolls);
909 FLAG_MERGE(properties);
913 static int load_params(int argc, char **argv, int optind)
915 int implicitmode, st;
917 struct query def_opts, *ctl;
921 run.bouncemail = TRUE;
922 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
924 memset(&def_opts, '\0', sizeof(struct query));
925 def_opts.smtp_socket = -1;
926 def_opts.smtpaddress = (char *)0;
927 def_opts.smtpname = (char *)0;
928 def_opts.server.protocol = P_AUTO;
929 def_opts.server.timeout = CLIENT_TIMEOUT;
930 def_opts.server.esmtp_name = user;
931 def_opts.warnings = WARNING_INTERVAL;
932 def_opts.remotename = user;
933 def_opts.listener = SMTP_MODE;
934 def_opts.fetchsizelimit = 100;
935 def_opts.fastuidl = 10;
937 /* get the location of rcfile */
939 p = strrchr (rcfile, '/');
940 if (p && (p - rcfile) < sizeof (rcfiledir)) {
941 *p = 0; /* replace '/' by '0' */
942 strcpy (rcfiledir, rcfile);
943 *p = '/'; /* restore '/' */
944 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
945 strcpy (rcfiledir, "/");
948 /* note the parse time, so we can pick up on modifications */
949 parsetime = 0; /* foil compiler warnings */
950 if (stat(rcfile, &rcstat) != -1)
951 parsetime = rcstat.st_mtime;
952 else if (errno != ENOENT)
953 report(stderr, GT_("couldn't time-check the run-control file\n"));
955 /* this builds the host list */
956 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
958 * FIXME: someday, send notification mail here if backgrounded.
959 * Right now, that can happen if the user changes the rcfile
960 * while the fetchmail is running in background. Do similarly
961 * for the other exit() calls in this function.
965 if ((implicitmode = (optind >= argc)))
967 for (ctl = querylist; ctl; ctl = ctl->next)
968 ctl->active = !ctl->server.skip;
971 for (; optind < argc; optind++)
973 flag predeclared = FALSE;
976 * If hostname corresponds to a host known from the rc file,
977 * simply declare it active. Otherwise synthesize a host
978 * record from command line and defaults
980 for (ctl = querylist; ctl; ctl = ctl->next)
981 if (!strcmp(ctl->server.pollname, argv[optind])
982 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
984 /* Is this correct? */
985 if (predeclared && outlevel == O_VERBOSE)
986 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
994 * Allocate and link record without copying in
995 * command-line args; we'll do that with the optmerge
998 ctl = hostalloc((struct query *)NULL);
1000 ctl->server.pollname = xstrdup(argv[optind]);
1002 ctl->server.lead_server = (struct hostdata *)NULL;
1007 * If there's a defaults record, merge it and lose it.
1009 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
1011 for (ctl = querylist->next; ctl; ctl = ctl->next)
1012 optmerge(ctl, querylist, FALSE);
1013 querylist = querylist->next;
1016 /* don't allow a defaults record after the first */
1017 for (ctl = querylist; ctl; ctl = ctl->next)
1018 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1021 /* use localhost if we never fetch the FQDN of this host */
1022 fetchmailhost = "localhost";
1024 /* here's where we override globals */
1025 if (cmd_run.logfile)
1026 run.logfile = cmd_run.logfile;
1028 run.idfile = cmd_run.idfile;
1029 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1030 if (cmd_run.poll_interval >= 0)
1031 run.poll_interval = cmd_run.poll_interval;
1032 if (cmd_run.invisible)
1033 run.invisible = cmd_run.invisible;
1034 if (cmd_run.showdots)
1035 run.showdots = cmd_run.showdots;
1036 if (cmd_run.use_syslog)
1037 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1038 if (cmd_run.postmaster)
1039 run.postmaster = cmd_run.postmaster;
1040 if (cmd_run.bouncemail)
1041 run.bouncemail = cmd_run.bouncemail;
1043 /* check and daemon options are not compatible */
1044 if (check_only && run.poll_interval)
1045 run.poll_interval = 0;
1048 * DNS support is required for some protocols. We used to
1049 * do this unconditionally, but it made fetchmail excessively
1050 * vulnerable to misconfigured DNS setups.
1052 * If we're using ETRN or ODMR, the smtp hunt list is the
1053 * list of systems we're polling on behalf of; these have
1054 * to be fully-qualified domain names. The default for
1055 * this list should be the FQDN of localhost.
1057 * If we're using Kerberos for authentication, we need
1058 * the FQDN in order to generate capability keys.
1060 if (strcmp(fetchmailhost, "localhost") == 0)
1061 for (ctl = querylist; ctl; ctl = ctl->next)
1063 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1064 || ctl->server.authenticate == A_KERBEROS_V4
1065 || ctl->server.authenticate == A_KERBEROS_V5))
1067 fetchmailhost = host_fqdn();
1071 /* this code enables flags to be turned off */
1072 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1074 else if (flag == FLAG_FALSE)\
1078 /* one global gets treated specially */
1079 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1081 /* merge in wired defaults, do sanity checks and prepare internal fields */
1082 for (ctl = querylist; ctl; ctl = ctl->next)
1084 ctl->wedged = FALSE;
1086 /* merge in defaults */
1087 optmerge(ctl, &def_opts, FALSE);
1089 /* force command-line options */
1090 optmerge(ctl, &cmd_opts, TRUE);
1093 * queryname has to be set up for inactive servers too.
1094 * Otherwise the UIDL code core-dumps on startup.
1096 if (ctl->server.via)
1097 ctl->server.queryname = xstrdup(ctl->server.via);
1099 ctl->server.queryname = xstrdup(ctl->server.pollname);
1102 * We no longer do DNS lookups at startup.
1103 * This is a kluge. It enables users to edit their
1104 * configurations when DNS isn't available.
1106 ctl->server.truename = xstrdup(ctl->server.queryname);
1108 if (configdump || ctl->active )
1110 DEFAULT(ctl->keep, FALSE);
1111 DEFAULT(ctl->fetchall, FALSE);
1112 DEFAULT(ctl->flush, FALSE);
1113 DEFAULT(ctl->rewrite, TRUE);
1114 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1115 DEFAULT(ctl->forcecr, FALSE);
1116 DEFAULT(ctl->pass8bits, FALSE);
1117 DEFAULT(ctl->dropstatus, FALSE);
1118 DEFAULT(ctl->dropdelivered, FALSE);
1119 DEFAULT(ctl->mimedecode, FALSE);
1120 DEFAULT(ctl->idle, FALSE);
1121 DEFAULT(ctl->server.dns, TRUE);
1122 DEFAULT(ctl->server.uidl, FALSE);
1123 DEFAULT(ctl->use_ssl, FALSE);
1124 DEFAULT(ctl->sslcertck, FALSE);
1125 DEFAULT(ctl->server.checkalias, FALSE);
1128 * XXX FIXME: do we need this check or can we rely on the .y
1129 * parser handling this?
1133 report(stderr, GT_("SSL support is not compiled in.\n"));
1136 #endif /* SSL_ENABLE */
1140 * Make sure we have a nonempty host list to forward to.
1143 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1146 * Make sure we have a nonempty list of domains to fetch from.
1148 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1149 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1151 /* if `user' doesn't name a real local user, try to run as root */
1152 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1155 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1156 if (!ctl->localnames) /* for local delivery via SMTP */
1157 save_str_pair(&ctl->localnames, user, NULL);
1159 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1160 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1161 if (MULTIDROP(ctl) && ctl->server.dns)
1163 ctl->server.dns = FALSE;
1164 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1166 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1169 * can't handle multidrop mailboxes without "envelope"
1170 * option, this causes truckloads full of support complaints
1171 * "all mail forwarded to postmaster"
1173 if (MULTIDROP(ctl) && !ctl->server.envelope)
1175 report(stderr, GT_("warning: multidrop for %s requires envelope option!\n"), ctl->server.pollname);
1176 report(stderr, GT_("warning: Do not ask for support if all mail goes to postmaster!\n"));
1179 /* if no folders were specified, set up the null one as default */
1180 if (!ctl->mailboxes)
1181 save_str(&ctl->mailboxes, (char *)NULL, 0);
1183 /* maybe user overrode timeout on command line? */
1184 if (ctl->server.timeout == -1)
1185 ctl->server.timeout = CLIENT_TIMEOUT;
1187 #ifndef INET6_ENABLE
1189 if (ctl->server.port < 0)
1191 (void) fprintf(stderr,
1192 GT_("%s configuration invalid, port number cannot be negative\n"),
1193 ctl->server.pollname);
1196 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1198 (void) fprintf(stderr,
1199 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1200 ctl->server.pollname);
1203 if (ctl->listener == LMTP_MODE)
1207 for (idp = ctl->smtphunt; idp; idp = idp->next)
1211 if (!(cp = strrchr(idp->id, '/')) ||
1212 (atoi(++cp) == SMTP_PORT))
1214 (void) fprintf(stderr,
1215 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1216 ctl->server.pollname);
1221 #endif /* !INET6_ENABLE */
1224 * "I beg to you, have mercy on the week minds like myself."
1225 * wrote Pehr Anderson. Your petition is granted.
1227 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1229 (void) fprintf(stderr,
1230 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1237 /* initialize UID handling */
1238 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1241 initialize_saved_lists(querylist, run.idfile);
1242 #endif /* POP3_ENABLE */
1245 * If the user didn't set a last-resort user to get misaddressed
1246 * multidrop mail, set an appropriate default here.
1248 if (!run.postmaster)
1250 if (getuid() != ROOT_UID) /* ordinary user */
1251 run.postmaster = user;
1253 run.postmaster = "postmaster";
1256 return(implicitmode);
1259 static RETSIGTYPE terminate_poll(int sig)
1260 /* to be executed at the end of a poll cycle */
1263 * Close all SMTP delivery sockets. For optimum performance
1264 * we'd like to hold them open til end of run, but (1) this
1265 * loses if our poll interval is longer than the MTA's inactivity
1266 * timeout, and (2) some MTAs (like smail) don't deliver after
1267 * each message, but rather queue up mail and wait to actually
1268 * deliver it until the input socket is closed.
1270 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1271 * subtle bug. If fetchmail was terminated by signal while it was
1272 * shipping message text, it would hang forever waiting for a
1273 * command acknowledge. In theory we could enable the QUIT
1274 * only outside of the message send. In practice, we don't
1275 * care. All mailservers hang up on a dropped TCP/IP connection
1280 report(stdout, GT_("terminated with signal %d\n"), sig);
1285 /* terminate all SMTP connections cleanly */
1286 for (ctl = querylist; ctl; ctl = ctl->next)
1287 if (ctl->smtp_socket != -1)
1289 /* don't send QUIT for ODMR case because we're acting
1290 as a proxy between the SMTP server and client. */
1291 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1297 * Update UID information at end of each poll, rather than at end
1298 * of run, because that way we don't lose all UIDL information since
1299 * the beginning of time if fetchmail crashes.
1302 write_saved_lists(querylist, run.idfile);
1303 #endif /* POP3_ENABLE */
1306 static RETSIGTYPE terminate_run(int sig)
1307 /* to be executed on normal or signal-induced termination */
1311 terminate_poll(sig);
1314 * Craig Metz, the RFC1938 one-time-password guy, points out:
1315 * "Remember that most kernels don't zero pages before handing them to the
1316 * next process and many kernels share pages between user and kernel space.
1317 * You'd be very surprised what you can find from a short program to do a
1318 * malloc() and then dump the contents of the pages you got. By zeroing
1319 * the secrets at end of run (earlier if you can), you make sure the next
1320 * guy can't get the password/pass phrase."
1322 * Right you are, Craig!
1324 for (ctl = querylist; ctl; ctl = ctl->next)
1326 memset(ctl->password, '\0', strlen(ctl->password));
1328 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1332 if (activecount == 0)
1335 exit(successes ? PS_SUCCESS : querystatus);
1339 * Sequence of protocols to try when autoprobing, most capable to least.
1341 static const int autoprobe[] =
1345 #endif /* IMAP_ENABLE */
1348 #endif /* POP3_ENABLE */
1351 #endif /* POP2_ENABLE */
1354 static int query_host(struct query *ctl)
1355 /* perform fetch transaction with single host */
1360 * If we're syslogging the progress messages are automatically timestamped.
1361 * Force timestamping if we're going to a logfile.
1363 if (outlevel >= O_VERBOSE)
1365 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1367 ctl->server.pollname,
1368 showproto(ctl->server.protocol),
1372 switch (ctl->server.protocol) {
1374 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1376 ctl->server.protocol = autoprobe[i];
1378 st = query_host(ctl);
1381 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1384 ctl->server.protocol = P_AUTO;
1390 report(stderr, GT_("POP2 support is not configured.\n"));
1392 #endif /* POP2_ENABLE */
1400 } while (st == PS_REPOLL);
1402 report(stderr, GT_("POP3 support is not configured.\n"));
1404 #endif /* POP3_ENABLE */
1410 } while (st == PS_REPOLL);
1412 report(stderr, GT_("IMAP support is not configured.\n"));
1414 #endif /* IMAP_ENABLE */
1418 report(stderr, GT_("ETRN support is not configured.\n"));
1421 #ifdef HAVE_GETHOSTBYNAME
1424 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1426 #endif /* HAVE_GETHOSTBYNAME */
1428 #endif /* ETRN_ENABLE */
1431 report(stderr, GT_("ODMR support is not configured.\n"));
1434 #ifdef HAVE_GETHOSTBYNAME
1437 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1439 #endif /* HAVE_GETHOSTBYNAME */
1440 #endif /* ODMR_ENABLE */
1443 report(stderr, GT_("unsupported protocol selected.\n"));
1448 * If we're syslogging the progress messages are automatically timestamped.
1449 * Force timestamping if we're going to a logfile.
1451 if (outlevel >= O_VERBOSE)
1453 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1455 ctl->server.pollname,
1456 showproto(ctl->server.protocol),
1463 static void dump_params (struct runctl *runp,
1464 struct query *querylist, flag implicit)
1465 /* display query parameters in English */
1469 if (runp->poll_interval)
1470 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1472 printf(GT_("Logfile is %s\n"), runp->logfile);
1473 if (strcmp(runp->idfile, IDFILE_NAME))
1474 printf(GT_("Idfile is %s\n"), runp->idfile);
1475 #if defined(HAVE_SYSLOG)
1476 if (runp->use_syslog)
1477 printf(GT_("Progress messages will be logged via syslog\n"));
1479 if (runp->invisible)
1480 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1482 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1483 if (runp->postmaster)
1484 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1487 if (!runp->bouncemail)
1488 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1489 else if (outlevel >= O_VERBOSE)
1490 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1492 for (ctl = querylist; ctl; ctl = ctl->next)
1494 if (!ctl->active || (implicit && ctl->server.skip))
1497 printf(GT_("Options for retrieving from %s@%s:\n"),
1498 ctl->remotename, visbuf(ctl->server.pollname));
1500 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1501 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1503 if (ctl->server.interval)
1504 printf(ngettext(" Poll of this server will occur every %d interval.\n",
1505 " Poll of this server will occur every %d intervals.\n",
1506 ctl->server.interval), ctl->server.interval);
1507 if (ctl->server.truename)
1508 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1509 if (ctl->server.skip || outlevel >= O_VERBOSE)
1510 printf(ctl->server.skip
1511 ? GT_(" This host will not be queried when no host is specified.\n")
1512 : GT_(" This host will be queried when no host is specified.\n"));
1513 if (!NO_PASSWORD(ctl))
1516 printf(GT_(" Password will be prompted for.\n"));
1517 else if (outlevel >= O_VERBOSE)
1519 if (ctl->server.protocol == P_APOP)
1520 printf(GT_(" APOP secret = \"%s\".\n"),
1521 visbuf(ctl->password));
1522 else if (ctl->server.protocol == P_RPOP)
1523 printf(GT_(" RPOP id = \"%s\".\n"),
1524 visbuf(ctl->password));
1526 printf(GT_(" Password = \"%s\".\n"),
1527 visbuf(ctl->password));
1531 if (ctl->server.protocol == P_POP3
1533 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1534 #else /* INET6_ENABLE */
1535 && ctl->server.port == KPOP_PORT
1536 #endif /* INET6_ENABLE */
1537 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1538 ctl->server.authenticate == A_KERBEROS_V5))
1539 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1540 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1542 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1544 if (ctl->server.service)
1545 printf(GT_(" (using service %s)"), ctl->server.service);
1546 if (ctl->server.netsec)
1547 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1548 #else /* INET6_ENABLE */
1549 if (ctl->server.port)
1550 printf(GT_(" (using port %d)"), ctl->server.port);
1551 #endif /* INET6_ENABLE */
1552 else if (outlevel >= O_VERBOSE)
1553 printf(GT_(" (using default port)"));
1554 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1555 printf(GT_(" (forcing UIDL use)"));
1558 switch (ctl->server.authenticate)
1561 printf(GT_(" All available authentication methods will be tried.\n"));
1564 printf(GT_(" Password authentication will be forced.\n"));
1567 printf(GT_(" NTLM authentication will be forced.\n"));
1570 printf(GT_(" OTP authentication will be forced.\n"));
1573 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1576 printf(GT_(" GSSAPI authentication will be forced.\n"));
1579 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1582 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1585 printf(GT_(" End-to-end encryption assumed.\n"));
1588 if (ctl->server.principal != (char *) NULL)
1589 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1592 printf(GT_(" SSL encrypted sessions enabled.\n"));
1594 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1595 if (ctl->sslcertck) {
1596 printf(GT_(" SSL server certificate checking enabled.\n"));
1597 if (ctl->sslcertpath != NULL)
1598 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1600 if (ctl->sslfingerprint != NULL)
1601 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1603 if (ctl->server.timeout > 0)
1604 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1605 if (ctl->server.timeout == CLIENT_TIMEOUT)
1606 printf(GT_(" (default).\n"));
1610 if (MAILBOX_PROTOCOL(ctl))
1612 if (!ctl->mailboxes->id)
1613 printf(GT_(" Default mailbox selected.\n"));
1618 printf(GT_(" Selected mailboxes are:"));
1619 for (idp = ctl->mailboxes; idp; idp = idp->next)
1620 printf(" %s", (char *)idp->id);
1623 printf(ctl->fetchall
1624 ? GT_(" All messages will be retrieved (--all on).\n")
1625 : GT_(" Only new messages will be retrieved (--all off).\n"));
1627 ? GT_(" Fetched messages will be kept on the server (--keep on).\n")
1628 : GT_(" Fetched messages will not be kept on the server (--keep off).\n"));
1630 ? GT_(" Old messages will be flushed before message retrieval (--flush on).\n")
1631 : GT_(" Old messages will not be flushed before message retrieval (--flush off).\n"));
1633 ? GT_(" Rewrite of server-local addresses is enabled (--norewrite off).\n")
1634 : GT_(" Rewrite of server-local addresses is disabled (--norewrite on).\n"));
1636 ? GT_(" Carriage-return stripping is enabled (stripcr on).\n")
1637 : GT_(" Carriage-return stripping is disabled (stripcr off).\n"));
1639 ? GT_(" Carriage-return forcing is enabled (forcecr on).\n")
1640 : GT_(" Carriage-return forcing is disabled (forcecr off).\n"));
1641 printf(ctl->pass8bits
1642 ? GT_(" Interpretation of Content-Transfer-Encoding is disabled (pass8bits on).\n")
1643 : GT_(" Interpretation of Content-Transfer-Encoding is enabled (pass8bits off).\n"));
1644 printf(ctl->mimedecode
1645 ? GT_(" MIME decoding is enabled (mimedecode on).\n")
1646 : GT_(" MIME decoding is disabled (mimedecode off).\n"));
1648 ? GT_(" Idle after poll is enabled (idle on).\n")
1649 : GT_(" Idle after poll is diabled (idle off).\n"));
1650 printf(ctl->dropstatus
1651 ? GT_(" Nonempty Status lines will be discarded (dropstatus on)\n")
1652 : GT_(" Nonempty Status lines will be kept (dropstatus off)\n"));
1653 printf(ctl->dropdelivered
1654 ? GT_(" Delivered-To lines will be discarded (dropdelivered on)\n")
1655 : GT_(" Delivered-To lines will be kept (dropdelivered off)\n")); if (NUM_NONZERO(ctl->limit))
1657 if (NUM_NONZERO(ctl->limit))
1658 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1659 ctl->limit, ctl->limit);
1660 else if (outlevel >= O_VERBOSE)
1661 printf(GT_(" No message size limit (--limit 0).\n"));
1662 if (run.poll_interval > 0)
1663 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1664 ctl->warnings, ctl->warnings);
1665 else if (outlevel >= O_VERBOSE)
1666 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1668 if (NUM_NONZERO(ctl->fetchlimit))
1669 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1670 ctl->fetchlimit, ctl->fetchlimit);
1671 else if (outlevel >= O_VERBOSE)
1672 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1673 if (NUM_NONZERO(ctl->fetchsizelimit))
1674 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1675 ctl->fetchsizelimit, ctl->fetchsizelimit);
1676 else if (outlevel >= O_VERBOSE)
1677 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1678 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1680 if (ctl->fastuidl == 1)
1681 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1683 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1685 else if (outlevel >= O_VERBOSE)
1686 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1687 if (NUM_NONZERO(ctl->batchlimit))
1688 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1689 else if (outlevel >= O_VERBOSE)
1690 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1691 if (MAILBOX_PROTOCOL(ctl))
1693 if (NUM_NONZERO(ctl->expunge))
1694 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1695 else if (outlevel >= O_VERBOSE)
1696 printf(GT_(" No forced expunges (--expunge 0).\n"));
1699 else /* ODMR or ETRN */
1703 printf(GT_(" Domains for which mail will be fetched are:"));
1704 for (idp = ctl->domainlist; idp; idp = idp->next)
1706 printf(" %s", (char *)idp->id);
1707 if (!idp->val.status.mark)
1708 printf(GT_(" (default)"));
1713 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1714 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1715 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1722 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1724 for (idp = ctl->smtphunt; idp; idp = idp->next)
1726 printf(" %s", (char *)idp->id);
1727 if (!idp->val.status.mark)
1728 printf(GT_(" (default)"));
1732 if (ctl->smtpaddress)
1733 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1736 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1739 if (MAILBOX_PROTOCOL(ctl))
1741 if (ctl->antispam != (struct idlist *)NULL)
1745 printf(GT_(" Recognized listener spam block responses are:"));
1746 for (idp = ctl->antispam; idp; idp = idp->next)
1747 printf(" %d", idp->val.status.num);
1750 else if (outlevel >= O_VERBOSE)
1751 printf(GT_(" Spam-blocking disabled\n"));
1753 if (ctl->preconnect)
1754 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1755 visbuf(ctl->preconnect));
1756 else if (outlevel >= O_VERBOSE)
1757 printf(GT_(" No pre-connection command.\n"));
1758 if (ctl->postconnect)
1759 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1760 visbuf(ctl->postconnect));
1761 else if (outlevel >= O_VERBOSE)
1762 printf(GT_(" No post-connection command.\n"));
1763 if (MAILBOX_PROTOCOL(ctl)) {
1764 if (!ctl->localnames)
1765 printf(GT_(" No localnames declared for this host.\n"));
1771 for (idp = ctl->localnames; idp; idp = idp->next)
1774 if (count > 1 || ctl->wildcard)
1775 printf(GT_(" Multi-drop mode: "));
1777 printf(GT_(" Single-drop mode: "));
1779 printf(ngettext("%d local name recognized.\n", "%d local names recognized.\n", count), count);
1780 if (outlevel >= O_VERBOSE)
1782 for (idp = ctl->localnames; idp; idp = idp->next)
1784 printf("\t%s -> %s\n", (char *)idp->id, (char *)idp->val.id2);
1786 printf("\t%s\n", (char *)idp->id);
1788 fputs("\t*\n", stdout);
1791 if (count > 1 || ctl->wildcard)
1793 printf(ctl->server.dns
1794 ? GT_(" DNS lookup for multidrop addresses is enabled.\n")
1795 : GT_(" DNS lookup for multidrop addresses is disabled.\n"));
1796 if (ctl->server.dns)
1798 if (ctl->server.checkalias)
1799 printf(GT_(" Server aliases will be compared with multidrop addresses by IP address.\n"));
1801 printf(GT_(" Server aliases will be compared with multidrop addresses by name.\n"));
1803 if (ctl->server.envelope == STRING_DISABLED)
1804 printf(GT_(" Envelope-address routing is disabled\n"));
1807 printf(GT_(" Envelope header is assumed to be: %s\n"),
1808 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1809 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1810 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1811 ctl->server.envskip);
1812 if (ctl->server.qvirtual)
1813 printf(GT_(" Prefix %s will be removed from user id\n"),
1814 ctl->server.qvirtual);
1815 else if (outlevel >= O_VERBOSE)
1816 printf(GT_(" No prefix stripping\n"));
1819 if (ctl->server.akalist)
1823 printf(GT_(" Predeclared mailserver aliases:"));
1824 for (idp = ctl->server.akalist; idp; idp = idp->next)
1825 printf(" %s", (char *)idp->id);
1828 if (ctl->server.localdomains)
1832 printf(GT_(" Local domains:"));
1833 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1834 printf(" %s", (char *)idp->id);
1840 #if defined(linux) || defined(__FreeBSD__)
1841 if (ctl->server.interface)
1842 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1843 else if (outlevel >= O_VERBOSE)
1844 printf(GT_(" No interface requirement specified.\n"));
1845 if (ctl->server.monitor)
1846 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1847 else if (outlevel >= O_VERBOSE)
1848 printf(GT_(" No monitor interface specified.\n"));
1851 if (ctl->server.plugin)
1852 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1853 else if (outlevel >= O_VERBOSE)
1854 printf(GT_(" No plugin command specified.\n"));
1855 if (ctl->server.plugout)
1856 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1857 else if (outlevel >= O_VERBOSE)
1858 printf(GT_(" No plugout command specified.\n"));
1860 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1863 printf(GT_(" No UIDs saved from this host.\n"));
1869 for (idp = ctl->oldsaved; idp; idp = idp->next)
1872 printf(GT_(" %d UIDs saved.\n"), count);
1873 if (outlevel >= O_VERBOSE)
1874 for (idp = ctl->oldsaved; idp; idp = idp->next)
1875 printf("\t%s\n", (char *)idp->id);
1879 if (ctl->tracepolls)
1880 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1881 else if (outlevel >= O_VERBOSE)
1882 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1884 if (ctl->properties)
1885 printf(GT_(" Pass-through properties \"%s\".\n"),
1886 visbuf(ctl->properties));
1890 /* fetchmail.c ends here */