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 report(stderr, GT_("WARNING: Running as root is discouraged.\n"));
163 * Note: because we can't initialize reporting before we know whether
164 * syslog is supposed to be on, this message will go to stdout and
165 * be lost when running in background.
167 if (outlevel >= O_VERBOSE)
171 report(stdout, GT_("fetchmail: invoked with"));
172 for (i = 0; i < argc; i++)
173 report(stdout, " %s", argv[i]);
174 report(stdout, "\n");
177 #define IDFILE_NAME ".fetchids"
178 run.idfile = prependdir (IDFILE_NAME, fmhome);
183 * We used to arrange for the lock to be removed on exit close
184 * to where the lock was asserted. Now we need to do it here, because
185 * we might have re-executed in background with an existing lock
186 * as the result of a changed rcfile (see the code near the execvp(3)
187 * call near the beginning of the polling loop for details). We want
188 * to be sure the lock gets nuked on any error exit, basically.
193 /* save the current directory */
194 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
195 report(stderr, GT_("could not get current working directory\n"));
200 if ((parsecmdline(argc,argv, &cmd_run, &cmd_opts)) < 0)
205 printf(GT_("This is fetchmail release %s"), VERSION);
208 #endif /* POP2_ENABLE */
211 #endif /* POP3_ENABLE */
214 #endif /* IMAP_ENABLE */
220 #endif /* RPA_ENABLE */
223 #endif /* NTLM_ENABLE */
226 #endif /* SDPS_ENABLE */
229 #endif /* ETRN_ENABLE */
232 #endif /* ODMR_ENABLE */
238 #endif /* OPIE_ENABLE */
241 #endif /* INET6_ENABLE */
242 #ifdef HAVE_PKG_hesiod
247 #endif /* NET_SECURITY */
250 #endif /* HAVE_SOCKS */
253 #endif /* ENABLE_NLS */
255 fputs("Fallback MDA: ", stdout);
257 fputs(FALLBACK_MDA, stdout);
259 fputs("(none)", stdout);
264 /* this is an attempt to help remote debugging */
268 /* avoid parsing the config file if all we're doing is killing a daemon */
269 if (!(quitmode && argc == 2))
270 implicitmode = load_params(argc, argv, optind);
272 #if defined(HAVE_SYSLOG)
273 /* logging should be set up early in case we were restarted from exec */
276 #if defined(LOG_MAIL)
277 openlog(program_name, LOG_PID, LOG_MAIL);
279 /* Assume BSD4.2 openlog with two arguments */
280 openlog(program_name, LOG_PID);
286 report_init((run.poll_interval == 0 || nodetach) && !run.logfile);
288 /* construct the lockfile */
291 #ifdef HAVE_SETRLIMIT
293 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
294 * Core dumps could otherwise contain passwords to be scavenged by a
297 if (outlevel < O_VERBOSE || run.poll_interval > 0)
299 struct rlimit corelimit;
300 corelimit.rlim_cur = 0;
301 corelimit.rlim_max = 0;
302 setrlimit(RLIMIT_CORE, &corelimit);
304 #endif /* HAVE_SETRLIMIT */
306 #define NETRC_FILE ".netrc"
307 /* parse the ~/.netrc file (if present) for future password lookups. */
308 netrc_file = prependdir (NETRC_FILE, home);
309 netrc_list = parse_netrc(netrc_file);
313 /* pick up passwords where we can */
314 for (ctl = querylist; ctl; ctl = ctl->next)
316 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
318 if (NO_PASSWORD(ctl))
319 /* Server won't care what the password is, but there
320 must be some non-null string here. */
321 ctl->password = ctl->remotename;
326 /* look up the pollname and account in the .netrc file. */
327 p = search_netrc(netrc_list,
328 ctl->server.pollname, ctl->remotename);
329 /* if we find a matching entry with a password, use it */
330 if (p && p->password)
331 ctl->password = xstrdup(p->password);
333 /* otherwise try with "via" name if there is one */
334 else if (ctl->server.via)
336 p = search_netrc(netrc_list,
337 ctl->server.via, ctl->remotename);
338 if (p && p->password)
339 ctl->password = xstrdup(p->password);
345 /* perhaps we just want to check options? */
348 int havercfile = access(rcfile, 0);
350 printf(GT_("Taking options from command line%s%s\n"),
351 havercfile ? "" : GT_(" and "),
352 havercfile ? "" : rcfile);
354 if (querylist == NULL)
356 GT_("No mailservers set up -- perhaps %s is missing?\n"),
359 dump_params(&run, querylist, implicitmode);
363 /* dump options as a Python dictionary, for configurator use */
366 dump_config(&run, querylist);
370 /* check for another fetchmail running concurrently */
373 pid = bkgd ? -pid : pid;
375 /* if no mail servers listed and nothing in background, we're done */
376 if (!(quitmode && argc == 2) && pid == 0 && querylist == NULL) {
377 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
381 /* perhaps user asked us to kill the other fetchmail */
386 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
390 else if (getpid() == pid)
392 /* this test enables re-execing on a changed rcfile */
395 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
399 else if (kill(pid, SIGTERM) < 0)
401 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %d; bailing out.\n"),
402 bkgd ? GT_("background") : GT_("foreground"), pid);
407 fprintf(stderr,GT_("fetchmail: %s fetchmail at %d killed.\n"),
408 bkgd ? GT_("background") : GT_("foreground"), pid);
417 /* another fetchmail is running -- wake it up or die */
423 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
426 else if (!implicitmode)
429 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %d.\n"),
436 GT_("fetchmail: another foreground fetchmail is running at %d.\n"),
440 else if (getpid() == pid)
441 /* this test enables re-execing on a changed rcfile */
446 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
449 else if (kill(pid, SIGUSR1) == 0)
452 GT_("fetchmail: background fetchmail at %d awakened.\n"),
459 * Should never happen -- possible only if a background fetchmail
460 * croaks after the first kill probe above but before the
461 * SIGUSR1/SIGHUP transmission.
464 GT_("fetchmail: elder sibling at %d died mysteriously.\n"),
466 return(PS_UNDEFINED);
470 /* pick up interactively any passwords we need but don't have */
471 for (ctl = querylist; ctl; ctl = ctl->next)
473 if (ctl->active && !(implicitmode && ctl->server.skip)
474 && !NO_PASSWORD(ctl) && !ctl->password)
479 GT_("fetchmail: can't find a password for %s@%s.\n"),
480 ctl->remotename, ctl->server.pollname);
483 const char* password_prompt = GT_("Enter password for %s@%s: ");
485 xalloca(tmpbuf, char *, strlen(password_prompt) +
486 strlen(ctl->remotename) +
487 strlen(ctl->server.pollname) + 1);
488 (void) sprintf(tmpbuf, password_prompt,
489 ctl->remotename, ctl->server.pollname);
490 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
496 * Time to initiate the SOCKS library (this is not mandatory: it just
497 * registers the correct application name for logging purpose. If you
498 * have some problem, comment out these lines).
501 SOCKSinit("fetchmail");
502 #endif /* HAVE_SOCKS */
504 /* avoid zombies from plugins */
508 * Maybe time to go to demon mode...
510 if (run.poll_interval)
513 daemonize(run.logfile, terminate_run);
514 report(stdout, GT_("starting fetchmail %s daemon \n"), VERSION);
517 * We'll set up a handler for these when we're sleeping,
518 * but ignore them otherwise so as not to interrupt a poll.
520 set_signal_handler(SIGUSR1, SIG_IGN);
521 if (run.poll_interval && getuid() == ROOT_UID)
522 set_signal_handler(SIGHUP, SIG_IGN);
526 if (run.logfile && !nodetach && access(run.logfile, F_OK) == 0)
528 if (!freopen(run.logfile, "a", stdout))
529 report(stderr, GT_("could not open %s to append logs to \n"), run.logfile);
530 if (!freopen(run.logfile, "a", stderr))
531 report(stdout, GT_("could not open %s to append logs to \n"), run.logfile);
539 /* beyond here we don't want more than one fetchmail running per user */
541 set_signal_handler(SIGABRT, terminate_run);
542 set_signal_handler(SIGINT, terminate_run);
543 set_signal_handler(SIGTERM, terminate_run);
544 set_signal_handler(SIGALRM, terminate_run);
545 set_signal_handler(SIGPIPE, terminate_run);
546 set_signal_handler(SIGQUIT, terminate_run);
548 /* here's the exclusion lock */
552 * Query all hosts. If there's only one, the error return will
553 * reflect the status of that transaction.
557 * Check to see if the rcfile has been touched. If so,
558 * re-exec so the file will be reread. Doing it this way
559 * avoids all the complications of trying to deallocate the
560 * in-core control structures -- and the potential memory
565 if (stat(rcfile, &rcstat) == -1)
569 GT_("couldn't time-check %s (error %d)\n"),
572 else if (rcstat.st_mtime > parsetime)
574 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
577 /* restore the startup directory */
578 if (!currentwd[0] || chdir (currentwd) == -1)
579 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
583 * Matthias Andree: Isn't this prone to introduction of
584 * "false" programs by interfering with PATH? Those
585 * path-searching execs might not be the best ideas for
588 * Rob Funk: But is there any way for someone to modify
589 * the PATH variable of a running fetchmail? I don't know
592 * Dave's change makes fetchmail restart itself in exactly
593 * the way it was started from the shell (or shell script)
594 * in the first place. If you're concerned about PATH
595 * contamination, call fetchmail initially with a full
596 * path, and use Dave's patch.
598 * Not using a -p variant of exec means that the restart
599 * will break if both (a) the user depended on PATH to
600 * call fetchmail in the first place, and (b) the system
601 * doesn't save the whole path in argv[0] if the whole
602 * path wasn't used in the initial call. (If I recall
603 * correctly, Linux saves it but many other Unices don't.)
605 execvp(argv[0], argv);
606 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
609 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
611 * This was an efficiency hack that backfired. The theory
612 * was that using TCP/IP for DNS queries would get us better
613 * reliability and shave off some per-UDP-packet costs.
614 * Unfortunately it interacted badly with diald, which effectively
615 * filters out DNS queries over TCP/IP for reasons having to do
616 * with some obscure Linux kernel problem involving bootstrapping of
617 * dynamically-addressed links. I don't understand this mess
618 * and don't want to, so it's "See ya!" to this hack.
620 sethostent(TRUE); /* use TCP/IP for mailserver queries */
621 #endif /* HAVE_RES_SEARCH */
625 for (ctl = querylist; ctl; ctl = ctl->next)
629 if (!(implicitmode && ctl->server.skip))
634 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
635 ctl->server.pollname);
639 /* check skip interval first so that it counts all polls */
640 if (run.poll_interval && ctl->server.interval)
642 if (ctl->server.poll_count++ % ctl->server.interval)
644 if (outlevel >= O_VERBOSE)
646 GT_("interval not reached, not querying %s\n"),
647 ctl->server.pollname);
652 #if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
654 * Don't do monitoring if we were woken by a signal.
655 * Note that interface_approve() does its own error logging.
657 if (!interface_approve(&ctl->server, !lastsig))
659 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
661 dofastuidl = 0; /* this is reset in the driver if required */
663 querystatus = query_host(ctl);
665 if (NUM_NONZERO(ctl->fastuidl))
666 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
668 /* leave the UIDL state alone if there have been any errors */
670 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
673 uid_discard_new_list(ctl);
675 #endif /* POP3_ENABLE */
677 if (querystatus == PS_SUCCESS)
679 else if (!check_only &&
680 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
684 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
686 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
688 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
690 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
692 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
694 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
696 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
698 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
700 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
702 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
704 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
706 report(stdout,GT_("Query status=11 (DNS)\n")); break;
708 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
710 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
712 report(stdout,GT_("Query status=%d\n"),querystatus);
716 #if (defined(linux) && !defined(INET6_ENABLE)) || defined (__FreeBSD__)
717 if (ctl->server.monitor)
720 * Allow some time for the link to quiesce. One
721 * second is usually sufficient, three is safe.
722 * Note: this delay is important - don't remove!
725 interface_note_activity(&ctl->server);
727 #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
731 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
732 endhostent(); /* release TCP/IP connection to nameserver */
733 #endif /* HAVE_RES_SEARCH */
735 /* close connections cleanly */
739 * OK, we've polled. Now sleep.
741 if (run.poll_interval)
744 * Because passwords can expire, it may happen that *all*
745 * hosts are now out of the loop due to authfail
746 * conditions. If this happens daemon-mode fetchmail
747 * should softly and silently vanish away, rather than
748 * spinning uselessly.
752 for (ctl = querylist; ctl; ctl = ctl->next)
753 if (ctl->active && !(implicitmode && ctl->server.skip))
758 report(stderr, GT_("All connections are wedged. Exiting.\n"));
759 /* FIXME: someday, send notification mail */
763 if (outlevel > O_SILENT)
765 GT_("sleeping at %s\n"), timestamp());
768 * With this simple hack, we make it possible for a foreground
769 * fetchmail to wake up one in daemon mode. What we want is the
770 * side effect of interrupting any sleep that may be going on,
771 * forcing fetchmail to re-poll its hosts. The second line is
772 * for people who think all system daemons wake up on SIGHUP.
774 set_signal_handler(SIGUSR1, donothing);
775 if (getuid() != ROOT_UID)
776 set_signal_handler(SIGHUP, donothing);
779 * OK, now pause until it's time for the next poll cycle.
780 * A nonzero return indicates we received a wakeup signal;
781 * unwedge all servers in case the problem has been
784 if ((lastsig = interruptible_idle(run.poll_interval)))
786 if (outlevel > O_SILENT)
787 #ifdef SYS_SIGLIST_DECLARED
789 GT_("awakened by %s\n"), sys_siglist[lastsig]);
792 GT_("awakened by signal %d\n"), lastsig);
794 for (ctl = querylist; ctl; ctl = ctl->next)
798 if (outlevel > O_SILENT)
799 report(stdout, GT_("awakened at %s\n"), timestamp());
804 if (outlevel >= O_VERBOSE)
805 report(stdout, GT_("normal termination, status %d\n"),
806 successes ? PS_SUCCESS : querystatus);
812 else if (querystatus)
815 /* in case we interrupted before a successful fetch */
819 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
822 * If force is off, modify dstl fields only when they're empty (treat srcl
823 * as defaults). If force is on, modify each dstl field whenever scrcl
824 * is nonempty (treat srcl as an override).
826 if (force ? !!*srcl : !*dstl)
828 struct idlist *cpl = copy_str_list(*srcl);
830 append_str_list(dstl, &cpl);
834 static void optmerge(struct query *h2, struct query *h1, int force)
835 /* merge two options records */
837 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
838 list_merge(&h2->localnames, &h1->localnames, force);
839 list_merge(&h2->mailboxes, &h1->mailboxes, force);
840 list_merge(&h2->smtphunt, &h1->smtphunt, force);
841 list_merge(&h2->domainlist, &h1->domainlist, force);
842 list_merge(&h2->antispam, &h1->antispam, force);
844 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
845 FLAG_MERGE(server.via);
846 FLAG_MERGE(server.protocol);
848 FLAG_MERGE(server.service);
849 FLAG_MERGE(server.netsec);
850 #else /* INET6_ENABLE */
851 FLAG_MERGE(server.port);
852 #endif /* INET6_ENABLE */
853 FLAG_MERGE(server.interval);
854 FLAG_MERGE(server.authenticate);
855 FLAG_MERGE(server.timeout);
856 FLAG_MERGE(server.envelope);
857 FLAG_MERGE(server.envskip);
858 FLAG_MERGE(server.qvirtual);
859 FLAG_MERGE(server.skip);
860 FLAG_MERGE(server.dns);
861 FLAG_MERGE(server.checkalias);
862 FLAG_MERGE(server.uidl);
863 FLAG_MERGE(server.principal);
865 #if defined(linux) || defined(__FreeBSD__)
866 FLAG_MERGE(server.interface);
867 FLAG_MERGE(server.monitor);
868 FLAG_MERGE(server.interface_pair);
869 #endif /* linux || defined(__FreeBSD__) */
871 FLAG_MERGE(server.plugin);
872 FLAG_MERGE(server.plugout);
873 FLAG_MERGE(server.tracepolls);
875 FLAG_MERGE(wildcard);
876 FLAG_MERGE(remotename);
877 FLAG_MERGE(password);
880 FLAG_MERGE(listener);
881 FLAG_MERGE(smtpaddress);
882 FLAG_MERGE(smtpname);
883 FLAG_MERGE(preconnect);
884 FLAG_MERGE(postconnect);
888 FLAG_MERGE(fetchall);
892 FLAG_MERGE(pass8bits);
893 FLAG_MERGE(dropstatus);
894 FLAG_MERGE(dropdelivered);
895 FLAG_MERGE(mimedecode);
898 FLAG_MERGE(warnings);
899 FLAG_MERGE(fetchlimit);
900 FLAG_MERGE(fetchsizelimit);
901 FLAG_MERGE(fastuidl);
902 FLAG_MERGE(batchlimit);
907 FLAG_MERGE(sslproto);
908 FLAG_MERGE(sslcertck);
909 FLAG_MERGE(sslcertpath);
910 FLAG_MERGE(sslfingerprint);
914 FLAG_MERGE(properties);
918 static int load_params(int argc, char **argv, int optind)
920 int implicitmode, st;
922 struct query def_opts, *ctl;
926 run.bouncemail = TRUE;
927 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
929 memset(&def_opts, '\0', sizeof(struct query));
930 def_opts.smtp_socket = -1;
931 def_opts.smtpaddress = (char *)0;
932 def_opts.smtpname = (char *)0;
933 def_opts.server.protocol = P_AUTO;
934 def_opts.server.timeout = CLIENT_TIMEOUT;
935 def_opts.server.esmtp_name = user;
936 def_opts.warnings = WARNING_INTERVAL;
937 def_opts.remotename = user;
938 def_opts.listener = SMTP_MODE;
939 def_opts.fetchsizelimit = 100;
940 def_opts.fastuidl = 10;
942 /* get the location of rcfile */
944 p = strrchr (rcfile, '/');
945 if (p && (p - rcfile) < sizeof (rcfiledir)) {
946 *p = 0; /* replace '/' by '0' */
947 strcpy (rcfiledir, rcfile);
948 *p = '/'; /* restore '/' */
949 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
950 strcpy (rcfiledir, "/");
953 /* note the parse time, so we can pick up on modifications */
954 parsetime = 0; /* foil compiler warnings */
955 if (stat(rcfile, &rcstat) != -1)
956 parsetime = rcstat.st_mtime;
957 else if (errno != ENOENT)
958 report(stderr, GT_("couldn't time-check the run-control file\n"));
960 /* this builds the host list */
961 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
963 * FIXME: someday, send notification mail here if backgrounded.
964 * Right now, that can happen if the user changes the rcfile
965 * while the fetchmail is running in background. Do similarly
966 * for the other exit() calls in this function.
970 if ((implicitmode = (optind >= argc)))
972 for (ctl = querylist; ctl; ctl = ctl->next)
973 ctl->active = !ctl->server.skip;
976 for (; optind < argc; optind++)
978 flag predeclared = FALSE;
981 * If hostname corresponds to a host known from the rc file,
982 * simply declare it active. Otherwise synthesize a host
983 * record from command line and defaults
985 for (ctl = querylist; ctl; ctl = ctl->next)
986 if (!strcmp(ctl->server.pollname, argv[optind])
987 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
989 /* Is this correct? */
990 if (predeclared && outlevel == O_VERBOSE)
991 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
999 * Allocate and link record without copying in
1000 * command-line args; we'll do that with the optmerge
1003 ctl = hostalloc((struct query *)NULL);
1005 ctl->server.pollname = xstrdup(argv[optind]);
1007 ctl->server.lead_server = (struct hostdata *)NULL;
1012 * If there's a defaults record, merge it and lose it.
1014 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
1016 for (ctl = querylist->next; ctl; ctl = ctl->next)
1017 optmerge(ctl, querylist, FALSE);
1018 querylist = querylist->next;
1021 /* don't allow a defaults record after the first */
1022 for (ctl = querylist; ctl; ctl = ctl->next)
1023 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
1026 /* use localhost if we never fetch the FQDN of this host */
1027 fetchmailhost = "localhost";
1029 /* here's where we override globals */
1030 if (cmd_run.logfile)
1031 run.logfile = cmd_run.logfile;
1033 run.idfile = cmd_run.idfile;
1034 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1035 if (cmd_run.poll_interval >= 0)
1036 run.poll_interval = cmd_run.poll_interval;
1037 if (cmd_run.invisible)
1038 run.invisible = cmd_run.invisible;
1039 if (cmd_run.showdots)
1040 run.showdots = cmd_run.showdots;
1041 if (cmd_run.use_syslog)
1042 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1043 if (cmd_run.postmaster)
1044 run.postmaster = cmd_run.postmaster;
1045 if (cmd_run.bouncemail)
1046 run.bouncemail = cmd_run.bouncemail;
1048 /* check and daemon options are not compatible */
1049 if (check_only && run.poll_interval)
1050 run.poll_interval = 0;
1053 * DNS support is required for some protocols. We used to
1054 * do this unconditionally, but it made fetchmail excessively
1055 * vulnerable to misconfigured DNS setups.
1057 * If we're using ETRN or ODMR, the smtp hunt list is the
1058 * list of systems we're polling on behalf of; these have
1059 * to be fully-qualified domain names. The default for
1060 * this list should be the FQDN of localhost.
1062 * If we're using Kerberos for authentication, we need
1063 * the FQDN in order to generate capability keys.
1065 for (ctl = querylist; ctl; ctl = ctl->next)
1067 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1068 || ctl->server.authenticate == A_KERBEROS_V4
1069 || ctl->server.authenticate == A_KERBEROS_V5))
1071 fetchmailhost = host_fqdn();
1075 /* this code enables flags to be turned off */
1076 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1078 else if (flag == FLAG_FALSE)\
1082 /* one global gets treated specially */
1083 DEFAULT(run.showdots, run.poll_interval==0 || nodetach);
1085 /* merge in wired defaults, do sanity checks and prepare internal fields */
1086 for (ctl = querylist; ctl; ctl = ctl->next)
1088 ctl->wedged = FALSE;
1090 /* merge in defaults */
1091 optmerge(ctl, &def_opts, FALSE);
1093 /* force command-line options */
1094 optmerge(ctl, &cmd_opts, TRUE);
1097 * queryname has to be set up for inactive servers too.
1098 * Otherwise the UIDL code core-dumps on startup.
1100 if (ctl->server.via)
1101 ctl->server.queryname = xstrdup(ctl->server.via);
1103 ctl->server.queryname = xstrdup(ctl->server.pollname);
1106 * We no longer do DNS lookups at startup.
1107 * This is a kluge. It enables users to edit their
1108 * configurations when DNS isn't available.
1110 ctl->server.truename = xstrdup(ctl->server.queryname);
1112 if (configdump || ctl->active )
1114 DEFAULT(ctl->keep, FALSE);
1115 DEFAULT(ctl->fetchall, FALSE);
1116 DEFAULT(ctl->flush, FALSE);
1117 DEFAULT(ctl->rewrite, TRUE);
1118 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1119 DEFAULT(ctl->forcecr, FALSE);
1120 DEFAULT(ctl->pass8bits, FALSE);
1121 DEFAULT(ctl->dropstatus, FALSE);
1122 DEFAULT(ctl->dropdelivered, FALSE);
1123 DEFAULT(ctl->mimedecode, FALSE);
1124 DEFAULT(ctl->idle, FALSE);
1125 DEFAULT(ctl->server.dns, TRUE);
1126 DEFAULT(ctl->server.uidl, FALSE);
1127 DEFAULT(ctl->use_ssl, FALSE);
1128 DEFAULT(ctl->sslcertck, FALSE);
1129 DEFAULT(ctl->server.checkalias, FALSE);
1132 * XXX FIXME: do we need this check or can we rely on the .y
1133 * parser handling this?
1137 report(stderr, GT_("SSL support is not compiled in.\n"));
1140 #endif /* SSL_ENABLE */
1144 * Make sure we have a nonempty host list to forward to.
1147 save_str(&ctl->smtphunt, fetchmailhost, FALSE);
1150 * Make sure we have a nonempty list of domains to fetch from.
1152 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1153 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1155 /* if `user' doesn't name a real local user, try to run as root */
1156 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1159 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1160 if (!ctl->localnames) /* for local delivery via SMTP */
1161 save_str_pair(&ctl->localnames, user, NULL);
1163 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
1164 /* can't handle multidrop mailboxes unless we can do DNS lookups */
1165 if (MULTIDROP(ctl) && ctl->server.dns)
1167 ctl->server.dns = FALSE;
1168 report(stderr, GT_("fetchmail: warning: no DNS available to check multidrop fetches from %s\n"), ctl->server.pollname);
1170 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
1173 * can't handle multidrop mailboxes without "envelope"
1174 * option, this causes truckloads full of support complaints
1175 * "all mail forwarded to postmaster"
1177 if (MULTIDROP(ctl) && !ctl->server.envelope)
1179 report(stderr, GT_("warning: multidrop for %s requires envelope option!\n"), ctl->server.pollname);
1180 report(stderr, GT_("warning: Do not ask for support if all mail goes to postmaster!\n"));
1183 /* if no folders were specified, set up the null one as default */
1184 if (!ctl->mailboxes)
1185 save_str(&ctl->mailboxes, (char *)NULL, 0);
1187 /* maybe user overrode timeout on command line? */
1188 if (ctl->server.timeout == -1)
1189 ctl->server.timeout = CLIENT_TIMEOUT;
1191 #ifndef INET6_ENABLE
1193 if (ctl->server.port < 0)
1195 (void) fprintf(stderr,
1196 GT_("%s configuration invalid, port number cannot be negative\n"),
1197 ctl->server.pollname);
1200 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
1202 (void) fprintf(stderr,
1203 GT_("%s configuration invalid, RPOP requires a privileged port\n"),
1204 ctl->server.pollname);
1207 if (ctl->listener == LMTP_MODE)
1211 for (idp = ctl->smtphunt; idp; idp = idp->next)
1215 if (!(cp = strrchr(idp->id, '/')) ||
1216 (atoi(++cp) == SMTP_PORT))
1218 (void) fprintf(stderr,
1219 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1220 ctl->server.pollname);
1225 #endif /* !INET6_ENABLE */
1228 * "I beg to you, have mercy on the week minds like myself."
1229 * wrote Pehr Anderson. Your petition is granted.
1231 if (ctl->fetchall && ctl->keep && run.poll_interval && !nodetach)
1233 (void) fprintf(stderr,
1234 GT_("Both fetchall and keep on in daemon mode is a mistake!\n"));
1241 /* initialize UID handling */
1242 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
1245 initialize_saved_lists(querylist, run.idfile);
1246 #endif /* POP3_ENABLE */
1249 * If the user didn't set a last-resort user to get misaddressed
1250 * multidrop mail, set an appropriate default here.
1252 if (!run.postmaster)
1254 if (getuid() != ROOT_UID) /* ordinary user */
1255 run.postmaster = user;
1257 run.postmaster = "postmaster";
1260 return(implicitmode);
1263 static RETSIGTYPE terminate_poll(int sig)
1264 /* to be executed at the end of a poll cycle */
1267 * Close all SMTP delivery sockets. For optimum performance
1268 * we'd like to hold them open til end of run, but (1) this
1269 * loses if our poll interval is longer than the MTA's inactivity
1270 * timeout, and (2) some MTAs (like smail) don't deliver after
1271 * each message, but rather queue up mail and wait to actually
1272 * deliver it until the input socket is closed.
1274 * Sending SMTP QUIT on signal is theoretically nice, but led to a
1275 * subtle bug. If fetchmail was terminated by signal while it was
1276 * shipping message text, it would hang forever waiting for a
1277 * command acknowledge. In theory we could enable the QUIT
1278 * only outside of the message send. In practice, we don't
1279 * care. All mailservers hang up on a dropped TCP/IP connection
1284 report(stdout, GT_("terminated with signal %d\n"), sig);
1289 /* terminate all SMTP connections cleanly */
1290 for (ctl = querylist; ctl; ctl = ctl->next)
1291 if (ctl->smtp_socket != -1)
1293 /* don't send QUIT for ODMR case because we're acting
1294 as a proxy between the SMTP server and client. */
1295 smtp_close(ctl, ctl->server.protocol != P_ODMR);
1301 * Update UID information at end of each poll, rather than at end
1302 * of run, because that way we don't lose all UIDL information since
1303 * the beginning of time if fetchmail crashes.
1306 write_saved_lists(querylist, run.idfile);
1307 #endif /* POP3_ENABLE */
1310 static RETSIGTYPE terminate_run(int sig)
1311 /* to be executed on normal or signal-induced termination */
1315 terminate_poll(sig);
1318 * Craig Metz, the RFC1938 one-time-password guy, points out:
1319 * "Remember that most kernels don't zero pages before handing them to the
1320 * next process and many kernels share pages between user and kernel space.
1321 * You'd be very surprised what you can find from a short program to do a
1322 * malloc() and then dump the contents of the pages you got. By zeroing
1323 * the secrets at end of run (earlier if you can), you make sure the next
1324 * guy can't get the password/pass phrase."
1326 * Right you are, Craig!
1328 for (ctl = querylist; ctl; ctl = ctl->next)
1330 memset(ctl->password, '\0', strlen(ctl->password));
1332 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
1336 if (activecount == 0)
1339 exit(successes ? PS_SUCCESS : querystatus);
1343 * Sequence of protocols to try when autoprobing, most capable to least.
1345 static const int autoprobe[] =
1349 #endif /* IMAP_ENABLE */
1352 #endif /* POP3_ENABLE */
1355 #endif /* POP2_ENABLE */
1358 static int query_host(struct query *ctl)
1359 /* perform fetch transaction with single host */
1364 * If we're syslogging the progress messages are automatically timestamped.
1365 * Force timestamping if we're going to a logfile.
1367 if (outlevel >= O_VERBOSE)
1369 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1371 ctl->server.pollname,
1372 showproto(ctl->server.protocol),
1376 switch (ctl->server.protocol) {
1378 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1380 ctl->server.protocol = autoprobe[i];
1382 st = query_host(ctl);
1385 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1388 ctl->server.protocol = P_AUTO;
1394 report(stderr, GT_("POP2 support is not configured.\n"));
1396 #endif /* POP2_ENABLE */
1404 } while (st == PS_REPOLL);
1406 report(stderr, GT_("POP3 support is not configured.\n"));
1408 #endif /* POP3_ENABLE */
1414 } while (st == PS_REPOLL);
1416 report(stderr, GT_("IMAP support is not configured.\n"));
1418 #endif /* IMAP_ENABLE */
1422 report(stderr, GT_("ETRN support is not configured.\n"));
1425 #ifdef HAVE_GETHOSTBYNAME
1428 report(stderr, GT_("Cannot support ETRN without gethostbyname(2).\n"));
1430 #endif /* HAVE_GETHOSTBYNAME */
1432 #endif /* ETRN_ENABLE */
1435 report(stderr, GT_("ODMR support is not configured.\n"));
1438 #ifdef HAVE_GETHOSTBYNAME
1441 report(stderr, GT_("Cannot support ODMR without gethostbyname(2).\n"));
1443 #endif /* HAVE_GETHOSTBYNAME */
1444 #endif /* ODMR_ENABLE */
1447 report(stderr, GT_("unsupported protocol selected.\n"));
1452 * If we're syslogging the progress messages are automatically timestamped.
1453 * Force timestamping if we're going to a logfile.
1455 if (outlevel >= O_VERBOSE)
1457 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1459 ctl->server.pollname,
1460 showproto(ctl->server.protocol),
1467 static void dump_params (struct runctl *runp,
1468 struct query *querylist, flag implicit)
1469 /* display query parameters in English */
1473 if (runp->poll_interval)
1474 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1476 printf(GT_("Logfile is %s\n"), runp->logfile);
1477 if (strcmp(runp->idfile, IDFILE_NAME))
1478 printf(GT_("Idfile is %s\n"), runp->idfile);
1479 #if defined(HAVE_SYSLOG)
1480 if (runp->use_syslog)
1481 printf(GT_("Progress messages will be logged via syslog\n"));
1483 if (runp->invisible)
1484 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1486 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1487 if (runp->postmaster)
1488 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1491 if (!runp->bouncemail)
1492 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1493 else if (outlevel >= O_VERBOSE)
1494 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1496 for (ctl = querylist; ctl; ctl = ctl->next)
1498 if (!ctl->active || (implicit && ctl->server.skip))
1501 printf(GT_("Options for retrieving from %s@%s:\n"),
1502 ctl->remotename, visbuf(ctl->server.pollname));
1504 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1505 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1507 if (ctl->server.interval)
1508 printf(ngettext(" Poll of this server will occur every %d interval.\n",
1509 " Poll of this server will occur every %d intervals.\n",
1510 ctl->server.interval), ctl->server.interval);
1511 if (ctl->server.truename)
1512 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1513 if (ctl->server.skip || outlevel >= O_VERBOSE)
1514 printf(ctl->server.skip
1515 ? GT_(" This host will not be queried when no host is specified.\n")
1516 : GT_(" This host will be queried when no host is specified.\n"));
1517 if (!NO_PASSWORD(ctl))
1520 printf(GT_(" Password will be prompted for.\n"));
1521 else if (outlevel >= O_VERBOSE)
1523 if (ctl->server.protocol == P_APOP)
1524 printf(GT_(" APOP secret = \"%s\".\n"),
1525 visbuf(ctl->password));
1526 else if (ctl->server.protocol == P_RPOP)
1527 printf(GT_(" RPOP id = \"%s\".\n"),
1528 visbuf(ctl->password));
1530 printf(GT_(" Password = \"%s\".\n"),
1531 visbuf(ctl->password));
1535 if (ctl->server.protocol == P_POP3
1537 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1538 #else /* INET6_ENABLE */
1539 && ctl->server.port == KPOP_PORT
1540 #endif /* INET6_ENABLE */
1541 && (ctl->server.authenticate == A_KERBEROS_V4 ||
1542 ctl->server.authenticate == A_KERBEROS_V5))
1543 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1544 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1546 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1548 if (ctl->server.service)
1549 printf(GT_(" (using service %s)"), ctl->server.service);
1550 if (ctl->server.netsec)
1551 printf(GT_(" (using network security options %s)"), ctl->server.netsec);
1552 #else /* INET6_ENABLE */
1553 if (ctl->server.port)
1554 printf(GT_(" (using port %d)"), ctl->server.port);
1555 #endif /* INET6_ENABLE */
1556 else if (outlevel >= O_VERBOSE)
1557 printf(GT_(" (using default port)"));
1558 if (ctl->server.uidl && MAILBOX_PROTOCOL(ctl))
1559 printf(GT_(" (forcing UIDL use)"));
1562 switch (ctl->server.authenticate)
1565 printf(GT_(" All available authentication methods will be tried.\n"));
1568 printf(GT_(" Password authentication will be forced.\n"));
1571 printf(GT_(" NTLM authentication will be forced.\n"));
1574 printf(GT_(" OTP authentication will be forced.\n"));
1577 printf(GT_(" CRAM-Md5 authentication will be forced.\n"));
1580 printf(GT_(" GSSAPI authentication will be forced.\n"));
1583 printf(GT_(" Kerberos V4 authentication will be forced.\n"));
1586 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
1589 printf(GT_(" End-to-end encryption assumed.\n"));
1592 if (ctl->server.principal != (char *) NULL)
1593 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
1596 printf(GT_(" SSL encrypted sessions enabled.\n"));
1598 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
1599 if (ctl->sslcertck) {
1600 printf(GT_(" SSL server certificate checking enabled.\n"));
1601 if (ctl->sslcertpath != NULL)
1602 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
1604 if (ctl->sslfingerprint != NULL)
1605 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
1607 if (ctl->server.timeout > 0)
1608 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
1609 if (ctl->server.timeout == CLIENT_TIMEOUT)
1610 printf(GT_(" (default).\n"));
1614 if (MAILBOX_PROTOCOL(ctl))
1616 if (!ctl->mailboxes->id)
1617 printf(GT_(" Default mailbox selected.\n"));
1622 printf(GT_(" Selected mailboxes are:"));
1623 for (idp = ctl->mailboxes; idp; idp = idp->next)
1624 printf(" %s", (char *)idp->id);
1627 printf(ctl->fetchall
1628 ? GT_(" All messages will be retrieved (--all on).\n")
1629 : GT_(" Only new messages will be retrieved (--all off).\n"));
1631 ? GT_(" Fetched messages will be kept on the server (--keep on).\n")
1632 : GT_(" Fetched messages will not be kept on the server (--keep off).\n"));
1634 ? GT_(" Old messages will be flushed before message retrieval (--flush on).\n")
1635 : GT_(" Old messages will not be flushed before message retrieval (--flush off).\n"));
1637 ? GT_(" Rewrite of server-local addresses is enabled (--norewrite off).\n")
1638 : GT_(" Rewrite of server-local addresses is disabled (--norewrite on).\n"));
1640 ? GT_(" Carriage-return stripping is enabled (stripcr on).\n")
1641 : GT_(" Carriage-return stripping is disabled (stripcr off).\n"));
1643 ? GT_(" Carriage-return forcing is enabled (forcecr on).\n")
1644 : GT_(" Carriage-return forcing is disabled (forcecr off).\n"));
1645 printf(ctl->pass8bits
1646 ? GT_(" Interpretation of Content-Transfer-Encoding is disabled (pass8bits on).\n")
1647 : GT_(" Interpretation of Content-Transfer-Encoding is enabled (pass8bits off).\n"));
1648 printf(ctl->mimedecode
1649 ? GT_(" MIME decoding is enabled (mimedecode on).\n")
1650 : GT_(" MIME decoding is disabled (mimedecode off).\n"));
1652 ? GT_(" Idle after poll is enabled (idle on).\n")
1653 : GT_(" Idle after poll is disabled (idle off).\n"));
1654 printf(ctl->dropstatus
1655 ? GT_(" Nonempty Status lines will be discarded (dropstatus on)\n")
1656 : GT_(" Nonempty Status lines will be kept (dropstatus off)\n"));
1657 printf(ctl->dropdelivered
1658 ? GT_(" Delivered-To lines will be discarded (dropdelivered on)\n")
1659 : GT_(" Delivered-To lines will be kept (dropdelivered off)\n")); if (NUM_NONZERO(ctl->limit))
1661 if (NUM_NONZERO(ctl->limit))
1662 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
1663 ctl->limit, ctl->limit);
1664 else if (outlevel >= O_VERBOSE)
1665 printf(GT_(" No message size limit (--limit 0).\n"));
1666 if (run.poll_interval > 0)
1667 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
1668 ctl->warnings, ctl->warnings);
1669 else if (outlevel >= O_VERBOSE)
1670 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
1672 if (NUM_NONZERO(ctl->fetchlimit))
1673 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
1674 ctl->fetchlimit, ctl->fetchlimit);
1675 else if (outlevel >= O_VERBOSE)
1676 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
1677 if (NUM_NONZERO(ctl->fetchsizelimit))
1678 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
1679 ctl->fetchsizelimit, ctl->fetchsizelimit);
1680 else if (outlevel >= O_VERBOSE)
1681 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
1682 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
1684 if (ctl->fastuidl == 1)
1685 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
1687 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
1689 else if (outlevel >= O_VERBOSE)
1690 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
1691 if (NUM_NONZERO(ctl->batchlimit))
1692 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
1693 else if (outlevel >= O_VERBOSE)
1694 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
1695 if (MAILBOX_PROTOCOL(ctl))
1697 if (NUM_NONZERO(ctl->expunge))
1698 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
1699 else if (outlevel >= O_VERBOSE)
1700 printf(GT_(" No forced expunges (--expunge 0).\n"));
1703 else /* ODMR or ETRN */
1707 printf(GT_(" Domains for which mail will be fetched are:"));
1708 for (idp = ctl->domainlist; idp; idp = idp->next)
1710 printf(" %s", (char *)idp->id);
1711 if (!idp->val.status.mark)
1712 printf(GT_(" (default)"));
1717 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
1718 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
1719 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
1726 printf(GT_(" Messages will be %cMTP-forwarded to:"),
1728 for (idp = ctl->smtphunt; idp; idp = idp->next)
1730 printf(" %s", (char *)idp->id);
1731 if (!idp->val.status.mark)
1732 printf(GT_(" (default)"));
1736 if (ctl->smtpaddress)
1737 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
1740 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
1743 if (MAILBOX_PROTOCOL(ctl))
1745 if (ctl->antispam != (struct idlist *)NULL)
1749 printf(GT_(" Recognized listener spam block responses are:"));
1750 for (idp = ctl->antispam; idp; idp = idp->next)
1751 printf(" %d", idp->val.status.num);
1754 else if (outlevel >= O_VERBOSE)
1755 printf(GT_(" Spam-blocking disabled\n"));
1757 if (ctl->preconnect)
1758 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
1759 visbuf(ctl->preconnect));
1760 else if (outlevel >= O_VERBOSE)
1761 printf(GT_(" No pre-connection command.\n"));
1762 if (ctl->postconnect)
1763 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
1764 visbuf(ctl->postconnect));
1765 else if (outlevel >= O_VERBOSE)
1766 printf(GT_(" No post-connection command.\n"));
1767 if (MAILBOX_PROTOCOL(ctl)) {
1768 if (!ctl->localnames)
1769 printf(GT_(" No localnames declared for this host.\n"));
1775 for (idp = ctl->localnames; idp; idp = idp->next)
1778 if (count > 1 || ctl->wildcard)
1779 printf(GT_(" Multi-drop mode: "));
1781 printf(GT_(" Single-drop mode: "));
1783 printf(ngettext("%d local name recognized.\n", "%d local names recognized.\n", count), count);
1784 if (outlevel >= O_VERBOSE)
1786 for (idp = ctl->localnames; idp; idp = idp->next)
1788 printf("\t%s -> %s\n", (char *)idp->id, (char *)idp->val.id2);
1790 printf("\t%s\n", (char *)idp->id);
1792 fputs("\t*\n", stdout);
1795 if (count > 1 || ctl->wildcard)
1797 printf(ctl->server.dns
1798 ? GT_(" DNS lookup for multidrop addresses is enabled.\n")
1799 : GT_(" DNS lookup for multidrop addresses is disabled.\n"));
1800 if (ctl->server.dns)
1802 if (ctl->server.checkalias)
1803 printf(GT_(" Server aliases will be compared with multidrop addresses by IP address.\n"));
1805 printf(GT_(" Server aliases will be compared with multidrop addresses by name.\n"));
1807 if (ctl->server.envelope == STRING_DISABLED)
1808 printf(GT_(" Envelope-address routing is disabled\n"));
1811 printf(GT_(" Envelope header is assumed to be: %s\n"),
1812 ctl->server.envelope ? ctl->server.envelope:GT_("Received"));
1813 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1814 printf(GT_(" Number of envelope header to be parsed: %d\n"),
1815 ctl->server.envskip);
1816 if (ctl->server.qvirtual)
1817 printf(GT_(" Prefix %s will be removed from user id\n"),
1818 ctl->server.qvirtual);
1819 else if (outlevel >= O_VERBOSE)
1820 printf(GT_(" No prefix stripping\n"));
1823 if (ctl->server.akalist)
1827 printf(GT_(" Predeclared mailserver aliases:"));
1828 for (idp = ctl->server.akalist; idp; idp = idp->next)
1829 printf(" %s", (char *)idp->id);
1832 if (ctl->server.localdomains)
1836 printf(GT_(" Local domains:"));
1837 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1838 printf(" %s", (char *)idp->id);
1844 #if defined(linux) || defined(__FreeBSD__)
1845 if (ctl->server.interface)
1846 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
1847 else if (outlevel >= O_VERBOSE)
1848 printf(GT_(" No interface requirement specified.\n"));
1849 if (ctl->server.monitor)
1850 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
1851 else if (outlevel >= O_VERBOSE)
1852 printf(GT_(" No monitor interface specified.\n"));
1855 if (ctl->server.plugin)
1856 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
1857 else if (outlevel >= O_VERBOSE)
1858 printf(GT_(" No plugin command specified.\n"));
1859 if (ctl->server.plugout)
1860 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
1861 else if (outlevel >= O_VERBOSE)
1862 printf(GT_(" No plugout command specified.\n"));
1864 if (ctl->server.protocol > P_POP2 && MAILBOX_PROTOCOL(ctl))
1867 printf(GT_(" No UIDs saved from this host.\n"));
1873 for (idp = ctl->oldsaved; idp; idp = idp->next)
1876 printf(GT_(" %d UIDs saved.\n"), count);
1877 if (outlevel >= O_VERBOSE)
1878 for (idp = ctl->oldsaved; idp; idp = idp->next)
1879 printf("\t%s\n", (char *)idp->id);
1883 if (ctl->server.tracepolls)
1884 printf(GT_(" Poll trace information will be added to the Received header.\n"));
1885 else if (outlevel >= O_VERBOSE)
1886 printf(GT_(" No poll trace information will be added to the Received header.\n.\n"));
1888 if (ctl->properties)
1889 printf(GT_(" Pass-through properties \"%s\".\n"),
1890 visbuf(ctl->properties));
1894 /* fetchmail.c ends here */