2 * fetchmail.c -- main driver module for fetchmail
4 * For license terms, see the file COPYING in this directory.
20 #include <sys/types.h>
22 #include <sys/resource.h>
25 #include <socks.h> /* SOCKSinit() */
26 #endif /* HAVE_SOCKS */
30 #include "fetchmail.h"
38 /* need these (and sys/types.h) for res_init() */
39 #include <netinet/in.h>
40 #include <arpa/nameser.h>
44 #define ENETUNREACH 128 /* Interactive doesn't know this */
45 #endif /* ENETUNREACH */
47 /* prototypes for internal functions */
48 static int load_params(int, char **, int);
49 static void dump_params (struct runctl *runp, struct query *, flag implicit);
50 static int query_host(struct query *);
52 /* controls the detail level of status/progress messages written to stderr */
53 int outlevel; /* see the O_.* constants above */
55 /* miscellaneous global controls */
56 struct runctl run; /* global controls for this run */
57 flag nodetach; /* if TRUE, don't detach daemon process */
58 flag quitmode; /* if --quit was set */
59 int quitind; /* optind after position of last --quit option */
60 flag check_only; /* if --probe was set */
61 flag versioninfo; /* emit only version info */
62 char *user; /* the name of the invoking user */
63 char *home; /* invoking user's home directory */
64 char *fmhome; /* fetchmail's home directory */
65 const char *program_name; /* the name to prefix error messages with */
66 flag configdump; /* dump control blocks for configurator */
67 const char *fetchmailhost; /* either `localhost' or the host's FQDN */
69 static int quitonly; /* if we should quit after killing the running daemon */
71 static int querystatus; /* status of query */
72 static int successes; /* count number of successful polls */
73 static int activecount; /* count number of active entries */
74 static struct runctl cmd_run; /* global options set from command line */
75 static time_t parsetime; /* time of last parse */
77 static void terminate_run(int);
78 static void terminate_poll(int);
81 static pwm_t *pwm; /* the handle */
82 static const char *pwmd_socket; /* current socket */
83 static const char *pwmd_file; /* current file */
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);
108 #if defined(ENABLE_NLS)
109 /** returns timestamp in current locale,
110 * and resets LC_TIME locale to POSIX. */
111 static char *timestamp (void)
114 static char buf[60]; /* RATS: ignore */
117 setlocale (LC_TIME, "");
118 strftime (buf, sizeof (buf), "%c", localtime(&now));
119 setlocale (LC_TIME, "C");
123 #define timestamp rfc822timestamp
126 static void donothing(int sig)
128 set_signal_handler(sig, donothing);
132 static void printcopyright(FILE *fp) {
133 fprintf(fp, GT_("Copyright (C) 2002, 2003 Eric S. Raymond\n"
134 "Copyright (C) 2004 Matthias Andree, Eric S. Raymond,\n"
135 " Robert M. Funk, Graham Wilson\n"
136 "Copyright (C) 2005 - 2012 Matthias Andree, Sunil Shetye\n"
138 fprintf(fp, GT_("Fetchmail comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
139 "are welcome to redistribute it under certain conditions. For details,\n"
140 "please see the file COPYING in the source or documentation directory.\n"));
142 /* Do not translate this */
143 fprintf(fp, "This product includes software developed by the OpenSSL Project\nfor use in the OpenSSL Toolkit. (http://www.openssl.org/)\n");
147 const char *iana_charset;
150 static void exit_with_pwmd_error(gpg_error_t error)
152 gpg_err_code_t code = gpg_err_code(error);
154 report(stderr, GT_("pwmd: error %i: %s\n"), code, pwmd_strerror(error));
161 /* Don't exit if daemonized. There may be other active accounts. */
166 static int do_pwmd_connect(const char *socketname, const char *filename)
177 if (!pwm || (pwm && socketname && !pwmd_socket) ||
178 (pwm && !socketname && pwmd_socket) ||
179 (pwm && socketname && pwmd_socket && strcmp(socketname, pwmd_socket))) {
183 pwm = pwmd_new("Fetchmail");
184 rc = pwmd_connect_url(pwm, socketname);
187 exit_with_pwmd_error(rc);
192 if (run.pinentry_timeout > 0) {
193 rc = pwmd_setopt(pwm, PWMD_OPTION_PINENTRY_TIMEOUT,
194 run.pinentry_timeout);
197 exit_with_pwmd_error(rc);
202 rc = pwmd_socket_type(pwm, &s);
205 exit_with_pwmd_error(rc);
209 if (!pwmd_file || strcmp(filename, pwmd_file)) {
210 if (s == PWMD_SOCKET_SSH)
211 /* use a local pinentry since X11 forwarding is broken. */
212 rc = pwmd_open2(pwm, filename);
214 rc = pwmd_open(pwm, filename);
217 exit_with_pwmd_error(rc);
222 /* May be null to use the default of ~/.pwmd/socket. */
223 pwmd_socket = socketname;
224 pwmd_file = filename;
228 static int get_pwmd_details(const char *pwmd_account, int protocol,
231 const char *prot = showproto(protocol);
234 char *tmp = xstrdup(pwmd_account);
237 for (i = 0; tmp[i]; i++) {
238 if (i && tmp[i] == '^')
243 * Get the hostname for this protocol. Element path must be
244 * account->[protocol]->hostname.
246 error = pwmd_command(pwm, &result, "GET %s\t%s\thostname", tmp, prot);
249 if (gpg_err_code(error) == GPG_ERR_NOT_FOUND) {
250 report(stderr, GT_("pwmd: %s->%s->hostname: %s\n"), pwmd_account, prot, pwmd_strerror(error));
260 exit_with_pwmd_error(error);
265 if (ctl->server.pollname != ctl->server.via)
266 xfree(ctl->server.via);
268 ctl->server.via = xstrdup(result);
270 if (ctl->server.queryname)
271 xfree(ctl->server.queryname);
273 ctl->server.queryname = xstrdup(ctl->server.via);
275 if (ctl->server.truename)
276 xfree(ctl->server.truename);
278 ctl->server.truename = xstrdup(ctl->server.queryname);
282 * Server port. Fetchmail tries standard ports for known services so it
283 * should be alright if this element isn't found. ctl->server.protocol is
284 * already set. This sets ctl->server.service.
286 error = pwmd_command(pwm, &result, "GET %s\t%s\tport", tmp, prot);
289 if (gpg_err_code(error) == GPG_ERR_NOT_FOUND)
290 report(stderr, GT_("pwmd: %s->%s->port: %s\n"), pwmd_account, prot, pwmd_strerror(error));
292 exit_with_pwmd_error(error);
297 if (ctl->server.service)
298 xfree(ctl->server.service);
300 ctl->server.service = xstrdup(result);
305 * Get the remote username. Element must be account->username.
307 error = pwmd_command(pwm, &result, "GET %s\tusername", tmp);
310 if (gpg_err_code(error) == GPG_ERR_NOT_FOUND) {
311 report(stderr, GT_("pwmd: %s->username: %s\n"), pwmd_account, pwmd_strerror(error));
320 exit_with_pwmd_error(error);
326 xfree(ctl->remotename);
328 if (ctl->server.esmtp_name)
329 xfree(ctl->server.esmtp_name);
331 ctl->remotename = xstrdup(result);
332 ctl->server.esmtp_name = xstrdup(result);
337 * Get the remote password. Element must be account->password.
339 error = pwmd_command(pwm, &result, "GET %s\tpassword", tmp);
342 if (gpg_err_code(error) == GPG_ERR_NOT_FOUND) {
343 report(stderr, GT_("pwmd: %s->password: %s\n"), pwmd_account, pwmd_strerror(error));
352 exit_with_pwmd_error(error);
358 xfree(ctl->password);
360 ctl->password= xstrdup(result);
366 * If there is a ssl element and set to 1, enable ssl for this account.
367 * Element path must be account->[protocol]->ssl.
369 error = pwmd_command(pwm, &result, "GET %s\t%s\tssl", tmp, prot);
372 if (gpg_err_code(error) == GPG_ERR_NOT_FOUND) {
373 report(stderr, GT_("pwmd: %s->%s->ssl: %s\n"), pwmd_account, prot, pwmd_strerror(error));
382 exit_with_pwmd_error(error);
387 ctl->use_ssl = atoi(result) >= 1 ? FLAG_TRUE : FLAG_FALSE;
392 * account->[protocol]->sslfingerprint.
394 error = pwmd_command(pwm, &result, "GET %s\t%s\tsslfingerprint", tmp, prot);
397 if (gpg_err_code(error) == GPG_ERR_NOT_FOUND) {
398 report(stderr, GT_("pwmd: %s->%s->sslfingerprint: %s\n"), pwmd_account, prot, pwmd_strerror(error));
407 exit_with_pwmd_error(error);
412 if (ctl->sslfingerprint)
413 xfree(ctl->sslfingerprint);
415 ctl->sslfingerprint = xstrdup(result);
425 int main(int argc, char **argv)
428 int implicitmode = FALSE;
429 flag safewithbg = FALSE; /** if parsed options are compatible with a
430 fetchmail copy running in the background */
432 netrc_entry *netrc_list;
433 char *netrc_file, *tmpbuf;
437 #if defined(__FreeBSD__) && defined(__FreeBSD_USE_KVM)
441 envquery(argc, argv);
443 setlocale (LC_ALL, "");
444 bindtextdomain(PACKAGE, LOCALEDIR);
446 iana_charset = norm_charmap(nl_langinfo(CODESET)); /* normalize local
450 iana_charset = "US-ASCII";
454 report(stderr, GT_("WARNING: Running as root is discouraged.\n"));
458 * Note: because we can't initialize reporting before we know whether
459 * syslog is supposed to be on, this message will go to stdout and
460 * be lost when running in background.
462 if (outlevel >= O_VERBOSE)
466 report(stdout, GT_("fetchmail: invoked with"));
467 for (i = 0; i < argc; i++)
468 report(stdout, " %s", argv[i]);
469 report(stdout, "\n");
472 #define IDFILE_NAME ".fetchids"
473 run.idfile = prependdir (IDFILE_NAME, fmhome);
478 * We used to arrange for the lock to be removed on exit close
479 * to where the lock was asserted. Now we need to do it here, because
480 * we might have re-executed in background with an existing lock
481 * as the result of a changed rcfile (see the code near the execvp(3)
482 * call near the beginning of the polling loop for details). We want
483 * to be sure the lock gets nuked on any error exit, basically.
488 /* save the current directory */
489 if (getcwd (currentwd, sizeof (currentwd)) == NULL) {
490 report(stderr, GT_("could not get current working directory\n"));
498 i = parsecmdline(argc, argv, &cmd_run, &cmd_opts, &safewithbg);
502 if (quitmode && quitind == argc)
508 const char *features =
511 #endif /* POP3_ENABLE */
514 #endif /* IMAP_ENABLE */
520 #endif /* RPA_ENABLE */
523 #endif /* NTLM_ENABLE */
526 #endif /* SDPS_ENABLE */
529 #endif /* ETRN_ENABLE */
532 #endif /* ODMR_ENABLE */
538 #endif /* OPIE_ENABLE */
539 #ifdef HAVE_PKG_hesiod
544 #endif /* HAVE_SOCKS */
547 #endif /* ENABLE_NLS */
550 #endif /* KERBEROS_V5 */
553 #endif /* HAVE_LIBPWMD */
555 printf(GT_("This is fetchmail release %s"), VERSION);
556 fputs(features, stdout);
558 printcopyright(stdout);
560 fputs("Fallback MDA: ", stdout);
562 fputs(FALLBACK_MDA, stdout);
564 fputs("(none)", stdout);
569 /* this is an attempt to help remote debugging */
570 if (system("uname -a")) { /* NOOP to quench GCC complaint */ }
573 /* avoid parsing the config file if all we're doing is killing a daemon */
575 implicitmode = load_params(argc, argv, optind);
578 /* nodetach -> turn off logfile option */
580 if (outlevel >= O_DEBUG) { fprintf(stderr, GT_("The nodetach option is in effect, ignoring logfile option.\n")); }
584 /* not in daemon mode -> turn off logfile option */
585 if (0 == run.poll_interval) {
586 if (outlevel >= O_DEBUG) { fprintf(stderr, GT_("Not running in daemon mode, ignoring logfile option.\n")); }
590 /* log file not writable -> turn off logfile option */
591 if (run.logfile && 0 != access(run.logfile, F_OK)) {
592 if (outlevel >= O_DEBUG) { fprintf(stderr, GT_("Logfile \"%s\" does not exist, ignoring logfile option.\n"), run.logfile); }
596 /* log file not writable -> turn off logfile option */
597 if (run.logfile && 0 != access(run.logfile, W_OK)) {
598 if (outlevel >= O_DEBUG) { fprintf(stderr, GT_("Logfile \"%s\" is not writable, aborting.\n"), run.logfile); }
604 /* logging should be set up early in case we were restarted from exec */
607 openlog(program_name, LOG_PID, LOG_MAIL);
608 /* precedence: logfile (if effective) overrides syslog. */
610 syslog(LOG_ERR, GT_("syslog and logfile options are both set, ignoring syslog, and logging to %s"), run.logfile);
612 report_init((run.poll_interval == 0 || nodetach) && !run.logfile); /* when changing this, change copy below, too */
618 report_init((run.poll_interval == 0 || nodetach) && !run.logfile); /* when changing this, change copy above, too */
621 /* initialize UID handling */
625 if (!versioninfo && (st = prc_filecheck(run.idfile, !versioninfo)) != 0)
628 initialize_saved_lists(querylist, run.idfile);
630 #endif /* POP3_ENABLE */
632 /* construct the lockfile */
636 * Before getting passwords, disable core dumps unless -v -d0 mode is on.
637 * Core dumps could otherwise contain passwords to be scavenged by a
640 if (outlevel < O_VERBOSE || run.poll_interval > 0)
642 struct rlimit corelimit;
643 corelimit.rlim_cur = 0;
644 corelimit.rlim_max = 0;
645 setrlimit(RLIMIT_CORE, &corelimit);
648 #define NETRC_FILE ".netrc"
649 /* parse the ~/.netrc file (if present) for future password lookups. */
650 netrc_file = prependdir (NETRC_FILE, home);
651 netrc_list = parse_netrc(netrc_file);
655 /* pick up passwords where we can */
656 for (ctl = querylist; ctl; ctl = ctl->next)
658 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
660 if (NO_PASSWORD(ctl))
661 /* Server won't care what the password is, but there
662 must be some non-null string here. */
663 ctl->password = ctl->remotename;
668 /* look up the pollname and account in the .netrc file. */
669 p = search_netrc(netrc_list,
670 ctl->server.pollname, ctl->remotename);
671 /* if we find a matching entry with a password, use it */
672 if (p && p->password)
673 ctl->password = xstrdup(p->password);
675 /* otherwise try with "via" name if there is one */
676 else if (ctl->server.via)
678 p = search_netrc(netrc_list,
679 ctl->server.via, ctl->remotename);
680 if (p && p->password)
681 ctl->password = xstrdup(p->password);
687 free_netrc(netrc_list);
690 /* perhaps we just want to check options? */
693 int havercfile = access(rcfile, 0);
695 printf(GT_("Taking options from command line%s%s\n"),
696 havercfile ? "" : GT_(" and "),
697 havercfile ? "" : rcfile);
699 if (querylist == NULL)
701 GT_("No mailservers set up -- perhaps %s is missing?\n"),
704 dump_params(&run, querylist, implicitmode);
708 /* dump options as a Python dictionary, for configurator use */
711 dump_config(&run, querylist);
715 /* check for another fetchmail running concurrently */
716 pid = fm_lock_state();
718 pid = bkgd ? -pid : pid;
720 /* if no mail servers listed and nothing in background, we're done */
721 if (!quitonly && pid == 0 && querylist == NULL) {
722 (void)fputs(GT_("fetchmail: no mailservers have been specified.\n"),stderr);
726 /* perhaps user asked us to kill the other fetchmail */
729 if (pid == 0 || pid == getpid())
730 /* this test enables re-execing on a changed rcfile
731 * for pid == getpid() */
734 fprintf(stderr,GT_("fetchmail: no other fetchmail is running\n"));
738 else if (kill(pid, SIGTERM) < 0)
740 fprintf(stderr,GT_("fetchmail: error killing %s fetchmail at %ld; bailing out.\n"),
741 bkgd ? GT_("background") : GT_("foreground"), (long)pid);
748 if (outlevel > O_SILENT)
749 fprintf(stderr,GT_("fetchmail: %s fetchmail at %ld killed.\n"),
750 bkgd ? GT_("background") : GT_("foreground"), (long)pid);
751 /* We used to nuke the other process's lock here, with
752 * fm_lock_release(), which is broken. The other process
753 * needs to clear its lock by itself. */
757 /* wait for other process to exit */
758 maxwait = 10; /* seconds */
759 while (kill(pid, 0) == 0 && --maxwait >= 0) {
766 /* another fetchmail is running -- wake it up or die */
772 GT_("fetchmail: can't check mail while another fetchmail to same host is running.\n"));
775 else if (!implicitmode)
778 GT_("fetchmail: can't poll specified hosts with another fetchmail running at %ld.\n"),
785 GT_("fetchmail: another foreground fetchmail is running at %ld.\n"),
789 else if (getpid() == pid)
790 /* this test enables re-execing on a changed rcfile */
792 else if (argc > 1 && !safewithbg)
795 GT_("fetchmail: can't accept options while a background fetchmail is running.\n"));
798 fprintf(stderr, "argc = %d, arg list:\n", argc);
799 for (i = 1; i < argc; i++) fprintf(stderr, "arg %d = \"%s\"\n", i, argv[i]);
803 else if (kill(pid, SIGUSR1) == 0)
805 if (outlevel > O_SILENT)
807 GT_("fetchmail: background fetchmail at %ld awakened.\n"),
814 * Should never happen -- possible only if a background fetchmail
815 * croaks after the first kill probe above but before the
816 * SIGUSR1/SIGHUP transmission.
819 GT_("fetchmail: elder sibling at %ld died mysteriously.\n"),
821 return(PS_UNDEFINED);
825 /* pick up interactively any passwords we need but don't have */
826 for (ctl = querylist; ctl; ctl = ctl->next)
828 if (ctl->active && !(implicitmode && ctl->server.skip)
829 && !NO_PASSWORD(ctl) && !ctl->password)
834 GT_("fetchmail: can't find a password for %s@%s.\n"),
835 ctl->remotename, ctl->server.pollname);
838 const char* password_prompt = GT_("Enter password for %s@%s: ");
839 size_t pplen = strlen(password_prompt) + strlen(ctl->remotename) + strlen(ctl->server.pollname) + 1;
841 tmpbuf = (char *)xmalloc(pplen);
842 snprintf(tmpbuf, pplen, password_prompt,
843 ctl->remotename, ctl->server.pollname);
844 ctl->password = xstrdup((char *)fm_getpassword(tmpbuf));
851 * Time to initiate the SOCKS library (this is not mandatory: it just
852 * registers the correct application name for logging purpose. If you
853 * have some problem, comment out these lines).
856 SOCKSinit("fetchmail");
857 #endif /* HAVE_SOCKS */
859 /* avoid zombies from plugins */
862 /* Fix up log destination - if the if() is true, the precedence rule
863 * above hasn't killed off the syslog option, because the logfile
864 * option is ineffective (because we're not detached or not in
865 * deamon mode), so kill it for the benefit of other parts of the
867 if (run.logfile && run.use_syslog)
871 * Maybe time to go to demon mode...
873 if (run.poll_interval)
878 rc = daemonize(run.logfile);
880 report(stderr, GT_("fetchmail: Cannot detach into background. Aborting.\n"));
884 report(stdout, GT_("starting fetchmail %s daemon\n"), VERSION);
887 * We'll set up a handler for these when we're sleeping,
888 * but ignore them otherwise so as not to interrupt a poll.
890 set_signal_handler(SIGUSR1, SIG_IGN);
891 if (run.poll_interval && getuid() == ROOT_UID)
892 set_signal_handler(SIGHUP, SIG_IGN);
896 /* not in daemon mode */
899 if (!freopen(run.logfile, "a", stdout))
900 report(stderr, GT_("could not open %s to append logs to\n"), run.logfile);
901 if (!freopen(run.logfile, "a", stderr))
902 report(stdout, GT_("could not open %s to append logs to\n"), run.logfile);
908 /* beyond here we don't want more than one fetchmail running per user */
910 set_signal_handler(SIGABRT, terminate_run);
911 set_signal_handler(SIGINT, terminate_run);
912 set_signal_handler(SIGTERM, terminate_run);
913 set_signal_handler(SIGALRM, terminate_run);
914 set_signal_handler(SIGPIPE, SIG_IGN);
915 set_signal_handler(SIGQUIT, terminate_run);
917 /* here's the exclusion lock */
920 if (check_only && outlevel >= O_VERBOSE) {
921 report(stdout, GT_("--check mode enabled, not fetching mail\n"));
925 * Query all hosts. If there's only one, the error return will
926 * reflect the status of that transaction.
930 * Check to see if the rcfile has been touched. If so,
931 * re-exec so the file will be reread. Doing it this way
932 * avoids all the complications of trying to deallocate the
933 * in-core control structures -- and the potential memory
943 if (strcmp(rcfile, "-") == 0) {
945 } else if (stat(rcfile, &rcstat) == -1) {
948 GT_("couldn't time-check %s (error %d)\n"),
953 * isatty() to make sure this is a background process since the
954 * lockfile is removed after each invokation.
956 else if (!isatty(1) && rcstat.st_mtime > parsetime)
958 else if (rcstat.st_mtime > parsetime)
961 report(stdout, GT_("restarting fetchmail (%s changed)\n"), rcfile);
964 /* restore the startup directory */
965 if (!currentwd[0] || chdir (currentwd) == -1)
966 report(stderr, GT_("attempt to re-exec may fail as directory has not been restored\n"));
970 * Matthias Andree: Isn't this prone to introduction of
971 * "false" programs by interfering with PATH? Those
972 * path-searching execs might not be the best ideas for
975 * Rob Funk: But is there any way for someone to modify
976 * the PATH variable of a running fetchmail? I don't know
979 * Dave's change makes fetchmail restart itself in exactly
980 * the way it was started from the shell (or shell script)
981 * in the first place. If you're concerned about PATH
982 * contamination, call fetchmail initially with a full
983 * path, and use Dave's patch.
985 * Not using a -p variant of exec means that the restart
986 * will break if both (a) the user depended on PATH to
987 * call fetchmail in the first place, and (b) the system
988 * doesn't save the whole path in argv[0] if the whole
989 * path wasn't used in the initial call. (If I recall
990 * correctly, Linux saves it but many other Unices don't.)
992 execvp(argv[0], argv);
993 report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
996 #ifdef HAVE_RES_SEARCH
997 /* Boldly assume that we also have res_init() if we have
998 * res_search(), and call res_init() to re-read the resolv.conf
999 * file, so that we can pick up changes to that file that are
1000 * written by dhpccd, dhclient, pppd, openvpn and similar. */
1002 /* NOTE: This assumes that /etc/resolv.conf is written
1003 * atomically (i. e. a temporary file is written, flushed and
1004 * then renamed into place). To fix Debian Bug#389270. */
1006 /* NOTE: If this leaks memory or doesn't re-read
1007 * /etc/resolv.conf, we're in trouble. The res_init() interface
1008 * is only lightly documented :-( */
1014 for (ctl = querylist; ctl; ctl = ctl->next)
1018 if (!(implicitmode && ctl->server.skip))
1023 GT_("poll of %s skipped (failed authentication or too many timeouts)\n"),
1024 ctl->server.pollname);
1028 /* check skip interval first so that it counts all polls */
1029 if (run.poll_interval && ctl->server.interval)
1031 if (ctl->server.poll_count++ % ctl->server.interval)
1033 if (outlevel >= O_VERBOSE)
1035 GT_("interval not reached, not querying %s\n"),
1036 ctl->server.pollname);
1043 * Don't do monitoring if we were woken by a signal.
1044 * Note that interface_approve() does its own error logging.
1046 if (!interface_approve(&ctl->server, !lastsig))
1048 #endif /* CAN_MONITOR */
1050 dofastuidl = 0; /* this is reset in the driver if required */
1054 * At each poll interval, check the pwmd server for
1055 * changes in host and auth settings.
1057 if (ctl->pwmd_file) {
1058 if (do_pwmd_connect(ctl->pwmd_socket, ctl->pwmd_file))
1061 if (get_pwmd_details(ctl->server.pollname, ctl->server.protocol, ctl))
1065 querystatus = query_host(ctl);
1067 if (NUM_NONZERO(ctl->fastuidl))
1068 ctl->fastuidlcount = (ctl->fastuidlcount + 1) % ctl->fastuidl;
1070 /* leave the UIDL state alone if there have been any errors */
1072 ((querystatus==PS_SUCCESS) || (querystatus==PS_NOMAIL) || (querystatus==PS_MAXFETCH)))
1073 uid_swap_lists(ctl);
1075 uid_discard_new_list(ctl);
1077 #endif /* POP3_ENABLE */
1079 if (querystatus == PS_SUCCESS)
1081 else if (!check_only &&
1082 ((querystatus!=PS_NOMAIL) || (outlevel==O_DEBUG)))
1086 report(stdout,GT_("Query status=0 (SUCCESS)\n"));break;
1088 report(stdout,GT_("Query status=1 (NOMAIL)\n")); break;
1090 report(stdout,GT_("Query status=2 (SOCKET)\n")); break;
1092 report(stdout,GT_("Query status=3 (AUTHFAIL)\n"));break;
1094 report(stdout,GT_("Query status=4 (PROTOCOL)\n"));break;
1096 report(stdout,GT_("Query status=5 (SYNTAX)\n")); break;
1098 report(stdout,GT_("Query status=6 (IOERR)\n")); break;
1100 report(stdout,GT_("Query status=7 (ERROR)\n")); break;
1102 report(stdout,GT_("Query status=8 (EXCLUDE)\n")); break;
1104 report(stdout,GT_("Query status=9 (LOCKBUSY)\n"));break;
1106 report(stdout,GT_("Query status=10 (SMTP)\n")); break;
1108 report(stdout,GT_("Query status=11 (DNS)\n")); break;
1110 report(stdout,GT_("Query status=12 (BSMTP)\n")); break;
1112 report(stdout,GT_("Query status=13 (MAXFETCH)\n"));break;
1114 report(stdout,GT_("Query status=%d\n"),querystatus);
1119 if (ctl->server.monitor)
1122 * Allow some time for the link to quiesce. One
1123 * second is usually sufficient, three is safe.
1124 * Note: this delay is important - don't remove!
1127 interface_note_activity(&ctl->server);
1129 #endif /* CAN_MONITOR */
1140 /* close connections cleanly */
1144 * OK, we've polled. Now sleep.
1146 if (run.poll_interval)
1149 * Because passwords can expire, it may happen that *all*
1150 * hosts are now out of the loop due to authfail
1151 * conditions. If this happens daemon-mode fetchmail
1152 * should softly and silently vanish away, rather than
1153 * spinning uselessly.
1157 for (ctl = querylist; ctl; ctl = ctl->next)
1158 if (ctl->active && !(implicitmode && ctl->server.skip))
1163 report(stderr, GT_("All connections are wedged. Exiting.\n"));
1164 /* FIXME: someday, send notification mail */
1168 if ((outlevel > O_SILENT && !run.use_syslog && isatty(1))
1169 || outlevel > O_NORMAL)
1171 GT_("sleeping at %s for %d seconds\n"), timestamp(), run.poll_interval);
1174 * With this simple hack, we make it possible for a foreground
1175 * fetchmail to wake up one in daemon mode. What we want is the
1176 * side effect of interrupting any sleep that may be going on,
1177 * forcing fetchmail to re-poll its hosts. The second line is
1178 * for people who think all system daemons wake up on SIGHUP.
1180 set_signal_handler(SIGUSR1, donothing);
1181 if (getuid() == ROOT_UID)
1182 set_signal_handler(SIGHUP, donothing);
1185 * OK, now pause until it's time for the next poll cycle.
1186 * A nonzero return indicates we received a wakeup signal;
1187 * unwedge all servers in case the problem has been
1188 * manually repaired.
1190 if ((lastsig = interruptible_idle(run.poll_interval)))
1192 if (outlevel > O_SILENT)
1193 #ifdef SYS_SIGLIST_DECLARED
1195 GT_("awakened by %s\n"), sys_siglist[lastsig]);
1198 GT_("awakened by signal %d\n"), lastsig);
1200 for (ctl = querylist; ctl; ctl = ctl->next)
1201 ctl->wedged = FALSE;
1204 if ((outlevel > O_SILENT && !run.use_syslog && isatty(1))
1205 || outlevel > O_NORMAL)
1206 report(stdout, GT_("awakened at %s\n"), timestamp());
1208 } while (run.poll_interval);
1210 if (outlevel >= O_VERBOSE)
1211 report(stdout, GT_("normal termination, status %d\n"),
1212 successes ? PS_SUCCESS : querystatus);
1218 else if (querystatus)
1221 /* in case we interrupted before a successful fetch */
1225 static void list_merge(struct idlist **dstl, struct idlist **srcl, int force)
1228 * If force is off, modify dstl fields only when they're empty (treat srcl
1229 * as defaults). If force is on, modify each dstl field whenever scrcl
1230 * is nonempty (treat srcl as an override).
1232 if (force ? !!*srcl : !*dstl)
1234 struct idlist *cpl = copy_str_list(*srcl);
1236 append_str_list(dstl, &cpl);
1240 static void optmerge(struct query *h2, struct query *h1, int force)
1241 /* merge two options records */
1243 list_merge(&h2->server.localdomains, &h1->server.localdomains, force);
1244 list_merge(&h2->localnames, &h1->localnames, force);
1245 list_merge(&h2->mailboxes, &h1->mailboxes, force);
1246 list_merge(&h2->smtphunt, &h1->smtphunt, force);
1247 list_merge(&h2->domainlist, &h1->domainlist, force);
1248 list_merge(&h2->antispam, &h1->antispam, force);
1250 #define FLAG_MERGE(fld) if (force ? !!h1->fld : !h2->fld) h2->fld = h1->fld
1251 FLAG_MERGE(server.via);
1252 FLAG_MERGE(server.protocol);
1253 FLAG_MERGE(server.service);
1254 FLAG_MERGE(server.interval);
1255 FLAG_MERGE(server.authenticate);
1256 FLAG_MERGE(server.timeout);
1257 FLAG_MERGE(server.envelope);
1258 FLAG_MERGE(server.envskip);
1259 FLAG_MERGE(server.qvirtual);
1260 FLAG_MERGE(server.skip);
1261 FLAG_MERGE(server.dns);
1262 FLAG_MERGE(server.checkalias);
1263 FLAG_MERGE(server.principal);
1266 FLAG_MERGE(server.interface);
1267 FLAG_MERGE(server.interface_pair);
1268 FLAG_MERGE(server.monitor);
1271 FLAG_MERGE(server.plugin);
1272 FLAG_MERGE(server.plugout);
1273 FLAG_MERGE(server.tracepolls);
1274 FLAG_MERGE(server.badheader);
1275 FLAG_MERGE(server.retrieveerror);
1277 FLAG_MERGE(wildcard);
1278 FLAG_MERGE(remotename);
1279 FLAG_MERGE(password);
1282 FLAG_MERGE(listener);
1283 FLAG_MERGE(smtpaddress);
1284 FLAG_MERGE(smtpname);
1285 FLAG_MERGE(preconnect);
1286 FLAG_MERGE(postconnect);
1290 FLAG_MERGE(limitflush);
1291 FLAG_MERGE(fetchall);
1292 FLAG_MERGE(rewrite);
1293 FLAG_MERGE(forcecr);
1294 FLAG_MERGE(stripcr);
1295 FLAG_MERGE(pass8bits);
1296 FLAG_MERGE(dropstatus);
1297 FLAG_MERGE(dropdelivered);
1298 FLAG_MERGE(mimedecode);
1301 FLAG_MERGE(warnings);
1302 FLAG_MERGE(fetchlimit);
1303 FLAG_MERGE(fetchsizelimit);
1304 FLAG_MERGE(fastuidl);
1305 FLAG_MERGE(batchlimit);
1307 FLAG_MERGE(use_ssl);
1309 FLAG_MERGE(sslcert);
1310 FLAG_MERGE(sslproto);
1311 FLAG_MERGE(sslcertck);
1312 FLAG_MERGE(sslcertfile);
1313 FLAG_MERGE(sslcertpath);
1314 FLAG_MERGE(sslcommonname);
1315 FLAG_MERGE(sslfingerprint);
1317 FLAG_MERGE(expunge);
1319 FLAG_MERGE(properties);
1323 /** Load configuration files.
1324 * \return - true if no servers found on the command line
1325 * - false if servers found on the command line */
1326 static int load_params(int argc, char **argv, int optind)
1328 int implicitmode, st;
1330 struct query def_opts, *ctl;
1334 run.bouncemail = TRUE;
1335 run.softbounce = TRUE; /* treat permanent errors as temporary */
1336 run.spambounce = FALSE; /* don't bounce back to innocent bystanders */
1338 memset(&def_opts, '\0', sizeof(struct query));
1339 def_opts.smtp_socket = -1;
1340 def_opts.smtpaddress = (char *)0;
1341 def_opts.smtpname = (char *)0;
1342 def_opts.server.protocol = P_AUTO;
1343 def_opts.server.timeout = CLIENT_TIMEOUT;
1344 def_opts.server.esmtp_name = user;
1345 def_opts.server.badheader = BHREJECT;
1346 def_opts.warnings = WARNING_INTERVAL;
1347 def_opts.remotename = user;
1348 def_opts.listener = SMTP_MODE;
1349 def_opts.fetchsizelimit = 100;
1350 def_opts.fastuidl = 4;
1352 /* get the location of rcfile */
1354 p = strrchr (rcfile, '/');
1355 if (p && (size_t)(p - rcfile) < sizeof (rcfiledir)) {
1356 *p = 0; /* replace '/' by '0' */
1357 strlcpy (rcfiledir, rcfile, sizeof(rcfiledir));
1358 *p = '/'; /* restore '/' */
1359 if (!rcfiledir[0]) /* "/.fetchmailrc" case */
1360 strcpy (rcfiledir, "/");
1363 /* note the parse time, so we can pick up on modifications */
1364 if (strcmp(rcfile, "-") == 0)
1365 parsetime = time(NULL);
1367 if (stat(rcfile, &rcstat) != -1)
1368 parsetime = rcstat.st_mtime;
1369 else if (errno != ENOENT)
1370 report(stderr, GT_("couldn't time-check the run-control file\n"));
1373 /* this builds the host list */
1374 if ((st = prc_parse_file(rcfile, !versioninfo)) != 0)
1376 * FIXME: someday, send notification mail here if backgrounded.
1377 * Right now, that can happen if the user changes the rcfile
1378 * while the fetchmail is running in background. Do similarly
1379 * for the other exit() calls in this function.
1383 if ((implicitmode = (optind >= argc)))
1386 for (ctl = querylist; ctl; ctl = ctl->next) {
1387 ctl->active = !ctl->server.skip;
1389 if (ctl->pwmd_file) {
1391 * Cannot get an element path without a service.
1393 if (ctl->server.protocol <= 1) {
1394 report(stderr, GT_("fetchmail: %s configuration invalid, pwmd_file requires a protocol specification\n"),
1395 ctl->server.pollname);
1400 if (do_pwmd_connect(ctl->pwmd_socket, ctl->pwmd_file))
1403 if (get_pwmd_details(ctl->server.pollname, ctl->server.protocol,
1407 time(&rcstat.st_mtime);
1412 for (ctl = querylist; ctl; ctl = ctl->next)
1413 ctl->active = !ctl->server.skip;
1417 for (; optind < argc; optind++)
1419 flag predeclared = FALSE;
1422 * If hostname corresponds to a host known from the rc file,
1423 * simply declare it active. Otherwise synthesize a host
1424 * record from command line and defaults
1426 for (ctl = querylist; ctl; ctl = ctl->next)
1427 if (!strcmp(ctl->server.pollname, argv[optind])
1428 || str_in_list(&ctl->server.akalist, argv[optind], TRUE))
1430 /* Is this correct? */
1431 if (predeclared && outlevel >= O_VERBOSE)
1432 fprintf(stderr,GT_("Warning: multiple mentions of host %s in config file\n"),argv[optind]);
1437 if (ctl->pwmd_file) {
1439 * Cannot get an element path without a service.
1441 if (ctl->server.protocol <= 1) {
1442 report(stderr, GT_("%s configuration invalid, pwmd_file requires a protocol specification\n"),
1443 ctl->server.pollname);
1447 fprintf(stderr, "%s(%i): %s\n", __FILE__, __LINE__, __FUNCTION__);
1448 if (do_pwmd_connect(ctl->pwmd_socket, ctl->pwmd_file))
1451 if (get_pwmd_details(ctl->server.pollname,
1452 ctl->server.protocol, ctl))
1461 * Allocate and link record without copying in
1462 * command-line args; we'll do that with the optmerge
1465 ctl = hostalloc((struct query *)NULL);
1468 if (cmd_opts.pwmd_file) {
1470 * Cannot get an element path without a service.
1472 if (cmd_opts.server.protocol == 0 || cmd_opts.server.protocol == 1) {
1473 report(stderr, GT_("Option --pwmd-file needs a service (-p) parameter.\n"));
1477 fprintf(stderr, "%s(%i): %s\n", __FILE__, __LINE__, __FUNCTION__);
1478 if (do_pwmd_connect(cmd_opts.pwmd_socket, cmd_opts.pwmd_file))
1481 if (get_pwmd_details(argv[optind], cmd_opts.server.protocol,
1487 ctl->server.pollname = xstrdup(argv[optind]);
1490 ctl->server.pollname = xstrdup(argv[optind]);
1493 ctl->server.lead_server = (struct hostdata *)NULL;
1498 * If there's a defaults record, merge it and lose it.
1499 * FIXME: we don't currently free all entries that might be in struct query.
1501 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
1505 for (ctl = querylist->next; ctl; ctl = ctl->next)
1506 optmerge(ctl, querylist, FALSE);
1508 querylist = querylist->next;
1509 free(tmpq->server.pollname);
1513 /* don't allow a defaults record after the first */
1514 for (ctl = querylist; ctl; ctl = ctl->next) {
1515 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0) {
1516 fprintf(stderr, GT_("fetchmail: Error: multiple \"defaults\" records in config file.\n"));
1521 /* use localhost if we never fetch the FQDN of this host */
1522 fetchmailhost = "localhost";
1524 /* here's where we override globals */
1525 if (cmd_run.logfile)
1526 run.logfile = cmd_run.logfile;
1528 run.idfile = cmd_run.idfile;
1529 if (cmd_run.pidfile)
1530 run.pidfile = cmd_run.pidfile;
1531 /* do this before the keep/fetchall test below, otherwise -d0 may fail */
1532 if (cmd_run.poll_interval >= 0)
1533 run.poll_interval = cmd_run.poll_interval;
1534 if (cmd_run.invisible)
1535 run.invisible = (cmd_run.invisible == FLAG_TRUE);
1536 if (cmd_run.showdots)
1537 run.showdots = (cmd_run.showdots == FLAG_TRUE);
1538 if (cmd_run.use_syslog)
1539 run.use_syslog = (cmd_run.use_syslog == FLAG_TRUE);
1540 if (cmd_run.postmaster)
1541 run.postmaster = cmd_run.postmaster;
1542 if (cmd_run.bouncemail)
1543 run.bouncemail = (cmd_run.bouncemail == FLAG_TRUE);
1544 if (cmd_run.softbounce)
1545 run.softbounce = (cmd_run.softbounce == FLAG_TRUE);
1547 /* check and daemon options are not compatible */
1548 if (check_only && run.poll_interval)
1549 run.poll_interval = 0;
1552 * DNS support is required for some protocols. We used to
1553 * do this unconditionally, but it made fetchmail excessively
1554 * vulnerable to misconfigured DNS setups.
1556 * If we're using ETRN or ODMR, the smtp hunt list is the
1557 * list of systems we're polling on behalf of; these have
1558 * to be fully-qualified domain names. The default for
1559 * this list should be the FQDN of localhost.
1561 * If we're using Kerberos for authentication, we need
1562 * the FQDN in order to generate capability keys.
1564 for (ctl = querylist; ctl; ctl = ctl->next)
1566 (ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR
1567 || ctl->server.authenticate == A_KERBEROS_V5))
1569 fetchmailhost = host_fqdn(1);
1573 if (!ctl) /* list exhausted */
1574 fetchmailhost = host_fqdn(0);
1576 /* this code enables flags to be turned off */
1577 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
1579 else if (flag == FLAG_FALSE)\
1584 /* merge in wired defaults, do sanity checks and prepare internal fields */
1585 for (ctl = querylist; ctl; ctl = ctl->next)
1587 ctl->wedged = FALSE;
1589 /* merge in defaults */
1590 optmerge(ctl, &def_opts, FALSE);
1592 /* force command-line options */
1593 optmerge(ctl, &cmd_opts, TRUE);
1596 * queryname has to be set up for inactive servers too.
1597 * Otherwise the UIDL code core-dumps on startup.
1599 if (ctl->server.via)
1600 ctl->server.queryname = xstrdup(ctl->server.via);
1602 ctl->server.queryname = xstrdup(ctl->server.pollname);
1605 * We no longer do DNS lookups at startup.
1606 * This is a kluge. It enables users to edit their
1607 * configurations when DNS isn't available.
1609 ctl->server.truename = xstrdup(ctl->server.queryname);
1611 if (configdump || ctl->active )
1613 DEFAULT(ctl->keep, FALSE);
1614 DEFAULT(ctl->fetchall, FALSE);
1615 DEFAULT(ctl->flush, FALSE);
1616 DEFAULT(ctl->limitflush, FALSE);
1617 DEFAULT(ctl->rewrite, TRUE);
1618 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
1619 DEFAULT(ctl->forcecr, FALSE);
1620 DEFAULT(ctl->pass8bits, FALSE);
1621 DEFAULT(ctl->dropstatus, FALSE);
1622 DEFAULT(ctl->dropdelivered, FALSE);
1623 DEFAULT(ctl->mimedecode, FALSE);
1624 DEFAULT(ctl->idle, FALSE);
1625 DEFAULT(ctl->server.dns, TRUE);
1626 DEFAULT(ctl->use_ssl, FALSE);
1627 DEFAULT(ctl->sslcertck, FALSE);
1628 DEFAULT(ctl->server.checkalias, FALSE);
1631 * XXX FIXME: do we need this check or can we rely on the .y
1632 * parser handling this?
1636 report(stderr, GT_("SSL support is not compiled in.\n"));
1639 #endif /* SSL_ENABLE */
1642 if (ctl->server.authenticate == A_KERBEROS_V5) {
1643 report(stderr, GT_("KERBEROS v5 support is configured, but not compiled in.\n"));
1648 if (ctl->server.authenticate == A_GSSAPI) {
1649 report(stderr, GT_("GSSAPI support is configured, but not compiled in.\n"));
1655 * Make sure we have a nonempty host list to forward to.
1658 save_str(&ctl->smtphunt, "localhost", FALSE);
1661 * Make sure we have a nonempty list of domains to fetch from.
1663 if ((ctl->server.protocol==P_ETRN || ctl->server.protocol==P_ODMR) && !ctl->domainlist)
1664 save_str(&ctl->domainlist, fetchmailhost, FALSE);
1666 /* if `user' doesn't name a real local user, try to run as root */
1667 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
1670 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
1671 if (!ctl->localnames) /* for local delivery via SMTP */
1672 save_str_pair(&ctl->localnames, user, NULL);
1675 * can't handle multidrop mailboxes without "envelope"
1676 * option, this causes truckloads full of support complaints
1677 * "all mail forwarded to postmaster"
1679 if (MULTIDROP(ctl) && !ctl->server.envelope)
1681 report(stderr, GT_("warning: multidrop for %s requires envelope option!\n"), ctl->server.pollname);
1682 report(stderr, GT_("warning: Do not ask for support if all mail goes to postmaster!\n"));
1685 /* if no folders were specified, set up the null one as default */
1686 if (!ctl->mailboxes)
1687 save_str(&ctl->mailboxes, (char *)NULL, 0);
1689 /* maybe user overrode timeout on command line? */
1690 if (ctl->server.timeout == -1)
1691 ctl->server.timeout = CLIENT_TIMEOUT;
1694 if (ctl->server.service) {
1695 int port = servport(ctl->server.service);
1698 (void) fprintf(stderr,
1699 GT_("fetchmail: %s configuration invalid, specify positive port number for service or port\n"),
1700 ctl->server.pollname);
1704 if (ctl->listener == LMTP_MODE)
1708 for (idp = ctl->smtphunt; idp; idp = idp->next)
1712 if (!(cp = strrchr(idp->id, '/'))
1713 || (0 == strcmp(cp + 1, SMTP_PORT))
1714 || servport(cp + 1) == SMTP_PORT_NUM)
1716 (void) fprintf(stderr,
1717 GT_("%s configuration invalid, LMTP can't use default SMTP port\n"),
1718 ctl->server.pollname);
1725 * "I beg to you, have mercy on the we[a]k minds like myself."
1726 * wrote Pehr Anderson. Your petition is granted.
1728 if (ctl->fetchall && ctl->keep && (run.poll_interval || ctl->idle) && !nodetach && !configdump)
1730 (void) fprintf(stderr,
1731 GT_("Both fetchall and keep on in daemon or idle mode is a mistake!\n"));
1737 * If the user didn't set a last-resort user to get misaddressed
1738 * multidrop mail, set an appropriate default here.
1740 if (!run.postmaster)
1742 if (getuid() != ROOT_UID) /* ordinary user */
1743 run.postmaster = user;
1745 run.postmaster = "postmaster";
1748 return(implicitmode);
1751 static void terminate_poll(int sig)
1752 /* to be executed at the end of a poll cycle */
1756 report(stdout, GT_("terminated with signal %d\n"), sig);
1760 * Update UID information at end of each poll, rather than at end
1761 * of run, because that way we don't lose all UIDL information since
1762 * the beginning of time if fetchmail crashes.
1765 write_saved_lists(querylist, run.idfile);
1766 #endif /* POP3_ENABLE */
1769 static void terminate_run(int sig)
1770 /* to be executed on normal or signal-induced termination */
1774 terminate_poll(sig);
1777 * Craig Metz, the RFC1938 one-time-password guy, points out:
1778 * "Remember that most kernels don't zero pages before handing them to the
1779 * next process and many kernels share pages between user and kernel space.
1780 * You'd be very surprised what you can find from a short program to do a
1781 * malloc() and then dump the contents of the pages you got. By zeroing
1782 * the secrets at end of run (earlier if you can), you make sure the next
1783 * guy can't get the password/pass phrase."
1785 * Right you are, Craig!
1787 for (ctl = querylist; ctl; ctl = ctl->next)
1789 memset(ctl->password, '\0', strlen(ctl->password));
1791 if (activecount == 0)
1794 exit(successes ? PS_SUCCESS : querystatus);
1798 * Sequence of protocols to try when autoprobing, most capable to least.
1800 static const int autoprobe[] =
1804 #endif /* IMAP_ENABLE */
1807 #endif /* POP3_ENABLE */
1810 static int query_host(struct query *ctl)
1811 /* perform fetch transaction with single host */
1817 * If we're syslogging the progress messages are automatically timestamped.
1818 * Force timestamping if we're going to a logfile.
1820 if (outlevel >= O_VERBOSE)
1822 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll started\n"),
1824 ctl->server.pollname,
1825 showproto(ctl->server.protocol),
1829 switch (ctl->server.protocol) {
1831 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
1833 ctl->server.protocol = autoprobe[i];
1835 st = query_host(ctl);
1838 if (st == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP || st == PS_MAXFETCH || st == PS_DNS)
1841 ctl->server.protocol = P_AUTO;
1847 } while (st == PS_REPOLL);
1849 report(stderr, GT_("POP3 support is not configured.\n"));
1851 #endif /* POP3_ENABLE */
1857 } while (st == PS_REPOLL);
1859 report(stderr, GT_("IMAP support is not configured.\n"));
1861 #endif /* IMAP_ENABLE */
1865 report(stderr, GT_("ETRN support is not configured.\n"));
1870 #endif /* ETRN_ENABLE */
1873 report(stderr, GT_("ODMR support is not configured.\n"));
1877 #endif /* ODMR_ENABLE */
1880 report(stderr, GT_("unsupported protocol selected.\n"));
1885 * If we're syslogging the progress messages are automatically timestamped.
1886 * Force timestamping if we're going to a logfile.
1888 if (outlevel >= O_VERBOSE)
1890 report(stdout, GT_("%s querying %s (protocol %s) at %s: poll completed\n"),
1892 ctl->server.pollname,
1893 showproto(ctl->server.protocol),
1900 static int print_id_of(struct uid_db_record *rec, void *unused)
1904 printf("\t%s\n", rec->id);
1908 static void dump_params (struct runctl *runp,
1909 struct query *querylist, flag implicit)
1910 /* display query parameters in English */
1914 if (runp->poll_interval)
1915 printf(GT_("Poll interval is %d seconds\n"), runp->poll_interval);
1917 printf(GT_("Logfile is %s\n"), runp->logfile);
1918 if (strcmp(runp->idfile, IDFILE_NAME))
1919 printf(GT_("Idfile is %s\n"), runp->idfile);
1920 if (runp->use_syslog)
1921 printf(GT_("Progress messages will be logged via syslog\n"));
1922 if (runp->invisible)
1923 printf(GT_("Fetchmail will masquerade and will not generate Received\n"));
1925 printf(GT_("Fetchmail will show progress dots even in logfiles.\n"));
1926 if (runp->postmaster)
1927 printf(GT_("Fetchmail will forward misaddressed multidrop messages to %s.\n"),
1930 if (!runp->bouncemail)
1931 printf(GT_("Fetchmail will direct error mail to the postmaster.\n"));
1932 else if (outlevel >= O_VERBOSE)
1933 printf(GT_("Fetchmail will direct error mail to the sender.\n"));
1935 if (!runp->softbounce)
1936 printf(GT_("Fetchmail will treat permanent errors as permanent (drop messages).\n"));
1937 else if (outlevel >= O_VERBOSE)
1938 printf(GT_("Fetchmail will treat permanent errors as temporary (keep messages).\n"));
1940 for (ctl = querylist; ctl; ctl = ctl->next)
1942 if (!ctl->active || (implicit && ctl->server.skip))
1945 printf(GT_("Options for retrieving from %s@%s:\n"),
1946 ctl->remotename, visbuf(ctl->server.pollname));
1948 if (ctl->server.via && MAILBOX_PROTOCOL(ctl))
1949 printf(GT_(" Mail will be retrieved via %s\n"), ctl->server.via);
1951 if (ctl->server.interval)
1952 printf(ngettext(" Poll of this server will occur every %d interval.\n",
1953 " Poll of this server will occur every %d intervals.\n",
1954 ctl->server.interval), ctl->server.interval);
1955 if (ctl->server.truename)
1956 printf(GT_(" True name of server is %s.\n"), ctl->server.truename);
1957 if (ctl->server.skip || outlevel >= O_VERBOSE)
1958 printf(ctl->server.skip
1959 ? GT_(" This host will not be queried when no host is specified.\n")
1960 : GT_(" This host will be queried when no host is specified.\n"));
1961 if (!NO_PASSWORD(ctl))
1964 printf(GT_(" Password will be prompted for.\n"));
1965 else if (outlevel >= O_VERBOSE)
1967 printf(GT_(" Password = \"%s\".\n"),
1968 visbuf(ctl->password));
1972 if (ctl->server.protocol == P_POP3
1973 && ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT)
1974 && (ctl->server.authenticate == A_KERBEROS_V5))
1975 printf(GT_(" Protocol is KPOP with Kerberos %s authentication"),
1976 ctl->server.authenticate == A_KERBEROS_V5 ? "V" : "IV");
1978 printf(GT_(" Protocol is %s"), showproto(ctl->server.protocol));
1979 if (ctl->server.service)
1980 printf(GT_(" (using service %s)"), ctl->server.service);
1981 else if (outlevel >= O_VERBOSE)
1982 printf(GT_(" (using default port)"));
1985 switch (ctl->server.authenticate)
1988 printf(GT_(" All available authentication methods will be tried.\n"));
1991 printf(GT_(" Password authentication will be forced.\n"));
1994 printf(GT_(" MSN authentication will be forced.\n"));
1997 printf(GT_(" NTLM authentication will be forced.\n"));
2000 printf(GT_(" OTP authentication will be forced.\n"));
2003 printf(GT_(" CRAM-MD5 authentication will be forced.\n"));
2006 printf(GT_(" GSSAPI authentication will be forced.\n"));
2009 printf(GT_(" Kerberos V5 authentication will be forced.\n"));
2012 printf(GT_(" End-to-end encryption assumed.\n"));
2015 printf(GT_(" APOP authentication will be forced.\n"));
2020 if (ctl->server.principal != (char *) NULL)
2021 printf(GT_(" Mail service principal is: %s\n"), ctl->server.principal);
2024 printf(GT_(" SSL encrypted sessions enabled.\n"));
2026 printf(GT_(" SSL protocol: %s.\n"), ctl->sslproto);
2027 if (ctl->sslcertck) {
2028 printf(GT_(" SSL server certificate checking enabled.\n"));
2030 if (ctl->sslcertfile != NULL)
2031 printf(GT_(" SSL trusted certificate file: %s\n"), ctl->sslcertfile);
2032 if (ctl->sslcertpath != NULL)
2033 printf(GT_(" SSL trusted certificate directory: %s\n"), ctl->sslcertpath);
2034 if (ctl->sslcommonname != NULL)
2035 printf(GT_(" SSL server CommonName: %s\n"), ctl->sslcommonname);
2036 if (ctl->sslfingerprint != NULL)
2037 printf(GT_(" SSL key fingerprint (checked against the server key): %s\n"), ctl->sslfingerprint);
2039 if (ctl->server.timeout > 0)
2040 printf(GT_(" Server nonresponse timeout is %d seconds"), ctl->server.timeout);
2041 if (ctl->server.timeout == CLIENT_TIMEOUT)
2042 printf(GT_(" (default).\n"));
2046 if (MAILBOX_PROTOCOL(ctl))
2048 if (!ctl->mailboxes->id)
2049 printf(GT_(" Default mailbox selected.\n"));
2054 printf(GT_(" Selected mailboxes are:"));
2055 for (idp = ctl->mailboxes; idp; idp = idp->next)
2056 printf(" %s", idp->id);
2059 printf(ctl->fetchall
2060 ? GT_(" All messages will be retrieved (--all on).\n")
2061 : GT_(" Only new messages will be retrieved (--all off).\n"));
2063 ? GT_(" Fetched messages will be kept on the server (--keep on).\n")
2064 : GT_(" Fetched messages will not be kept on the server (--keep off).\n"));
2066 ? GT_(" Old messages will be flushed before message retrieval (--flush on).\n")
2067 : GT_(" Old messages will not be flushed before message retrieval (--flush off).\n"));
2068 printf(ctl->limitflush
2069 ? GT_(" Oversized messages will be flushed before message retrieval (--limitflush on).\n")
2070 : GT_(" Oversized messages will not be flushed before message retrieval (--limitflush off).\n"));
2072 ? GT_(" Rewrite of server-local addresses is enabled (--norewrite off).\n")
2073 : GT_(" Rewrite of server-local addresses is disabled (--norewrite on).\n"));
2075 ? GT_(" Carriage-return stripping is enabled (stripcr on).\n")
2076 : GT_(" Carriage-return stripping is disabled (stripcr off).\n"));
2078 ? GT_(" Carriage-return forcing is enabled (forcecr on).\n")
2079 : GT_(" Carriage-return forcing is disabled (forcecr off).\n"));
2080 printf(ctl->pass8bits
2081 ? GT_(" Interpretation of Content-Transfer-Encoding is disabled (pass8bits on).\n")
2082 : GT_(" Interpretation of Content-Transfer-Encoding is enabled (pass8bits off).\n"));
2083 printf(ctl->mimedecode
2084 ? GT_(" MIME decoding is enabled (mimedecode on).\n")
2085 : GT_(" MIME decoding is disabled (mimedecode off).\n"));
2087 ? GT_(" Idle after poll is enabled (idle on).\n")
2088 : GT_(" Idle after poll is disabled (idle off).\n"));
2089 printf(ctl->dropstatus
2090 ? GT_(" Nonempty Status lines will be discarded (dropstatus on)\n")
2091 : GT_(" Nonempty Status lines will be kept (dropstatus off)\n"));
2092 printf(ctl->dropdelivered
2093 ? GT_(" Delivered-To lines will be discarded (dropdelivered on)\n")
2094 : GT_(" Delivered-To lines will be kept (dropdelivered off)\n"));
2095 if (NUM_NONZERO(ctl->limit))
2097 if (NUM_NONZERO(ctl->limit))
2098 printf(GT_(" Message size limit is %d octets (--limit %d).\n"),
2099 ctl->limit, ctl->limit);
2100 else if (outlevel >= O_VERBOSE)
2101 printf(GT_(" No message size limit (--limit 0).\n"));
2102 if (run.poll_interval > 0)
2103 printf(GT_(" Message size warning interval is %d seconds (--warnings %d).\n"),
2104 ctl->warnings, ctl->warnings);
2105 else if (outlevel >= O_VERBOSE)
2106 printf(GT_(" Size warnings on every poll (--warnings 0).\n"));
2108 if (NUM_NONZERO(ctl->fetchlimit))
2109 printf(GT_(" Received-message limit is %d (--fetchlimit %d).\n"),
2110 ctl->fetchlimit, ctl->fetchlimit);
2111 else if (outlevel >= O_VERBOSE)
2112 printf(GT_(" No received-message limit (--fetchlimit 0).\n"));
2113 if (NUM_NONZERO(ctl->fetchsizelimit))
2114 printf(GT_(" Fetch message size limit is %d (--fetchsizelimit %d).\n"),
2115 ctl->fetchsizelimit, ctl->fetchsizelimit);
2116 else if (outlevel >= O_VERBOSE)
2117 printf(GT_(" No fetch message size limit (--fetchsizelimit 0).\n"));
2118 if (NUM_NONZERO(ctl->fastuidl) && MAILBOX_PROTOCOL(ctl))
2120 if (ctl->fastuidl == 1)
2121 printf(GT_(" Do binary search of UIDs during each poll (--fastuidl 1).\n"));
2123 printf(GT_(" Do binary search of UIDs during %d out of %d polls (--fastuidl %d).\n"), ctl->fastuidl - 1, ctl->fastuidl, ctl->fastuidl);
2125 else if (outlevel >= O_VERBOSE)
2126 printf(GT_(" Do linear search of UIDs during each poll (--fastuidl 0).\n"));
2127 if (NUM_NONZERO(ctl->batchlimit))
2128 printf(GT_(" SMTP message batch limit is %d.\n"), ctl->batchlimit);
2129 else if (outlevel >= O_VERBOSE)
2130 printf(GT_(" No SMTP message batch limit (--batchlimit 0).\n"));
2131 if (MAILBOX_PROTOCOL(ctl))
2133 if (NUM_NONZERO(ctl->expunge))
2134 printf(GT_(" Deletion interval between expunges forced to %d (--expunge %d).\n"), ctl->expunge, ctl->expunge);
2135 else if (outlevel >= O_VERBOSE)
2136 printf(GT_(" No forced expunges (--expunge 0).\n"));
2139 else /* ODMR or ETRN */
2143 printf(GT_(" Domains for which mail will be fetched are:"));
2144 for (idp = ctl->domainlist; idp; idp = idp->next)
2146 printf(" %s", idp->id);
2147 if (!idp->val.status.mark)
2148 printf(GT_(" (default)"));
2153 printf(GT_(" Messages will be appended to %s as BSMTP\n"), visbuf(ctl->bsmtp));
2154 else if (ctl->mda && MAILBOX_PROTOCOL(ctl))
2155 printf(GT_(" Messages will be delivered with \"%s\".\n"), visbuf(ctl->mda));
2162 printf(GT_(" Messages will be %cMTP-forwarded to:"),
2164 for (idp = ctl->smtphunt; idp; idp = idp->next)
2166 printf(" %s", idp->id);
2167 if (!idp->val.status.mark)
2168 printf(GT_(" (default)"));
2172 if (ctl->smtpaddress)
2173 printf(GT_(" Host part of MAIL FROM line will be %s\n"),
2176 printf(GT_(" Address to be put in RCPT TO lines shipped to SMTP will be %s\n"),
2179 if (MAILBOX_PROTOCOL(ctl))
2181 if (ctl->antispam != (struct idlist *)NULL)
2185 printf(GT_(" Recognized listener spam block responses are:"));
2186 for (idp = ctl->antispam; idp; idp = idp->next)
2187 printf(" %d", idp->val.status.num);
2190 else if (outlevel >= O_VERBOSE)
2191 printf(GT_(" Spam-blocking disabled\n"));
2193 if (ctl->preconnect)
2194 printf(GT_(" Server connection will be brought up with \"%s\".\n"),
2195 visbuf(ctl->preconnect));
2196 else if (outlevel >= O_VERBOSE)
2197 printf(GT_(" No pre-connection command.\n"));
2198 if (ctl->postconnect)
2199 printf(GT_(" Server connection will be taken down with \"%s\".\n"),
2200 visbuf(ctl->postconnect));
2201 else if (outlevel >= O_VERBOSE)
2202 printf(GT_(" No post-connection command.\n"));
2203 if (MAILBOX_PROTOCOL(ctl)) {
2204 if (!ctl->localnames)
2205 printf(GT_(" No localnames declared for this host.\n"));
2211 for (idp = ctl->localnames; idp; idp = idp->next)
2214 if (count > 1 || ctl->wildcard)
2215 printf(GT_(" Multi-drop mode: "));
2217 printf(GT_(" Single-drop mode: "));
2219 printf(ngettext("%d local name recognized.\n", "%d local names recognized.\n", count), count);
2220 if (outlevel >= O_VERBOSE)
2222 for (idp = ctl->localnames; idp; idp = idp->next)
2224 printf("\t%s -> %s\n", idp->id, idp->val.id2);
2226 printf("\t%s\n", idp->id);
2228 fputs("\t*\n", stdout);
2231 if (count > 1 || ctl->wildcard)
2233 printf(ctl->server.dns
2234 ? GT_(" DNS lookup for multidrop addresses is enabled.\n")
2235 : GT_(" DNS lookup for multidrop addresses is disabled.\n"));
2236 if (ctl->server.dns)
2238 if (ctl->server.checkalias)
2239 printf(GT_(" Server aliases will be compared with multidrop addresses by IP address.\n"));
2241 printf(GT_(" Server aliases will be compared with multidrop addresses by name.\n"));
2243 if (ctl->server.envelope == STRING_DISABLED)
2244 printf(GT_(" Envelope-address routing is disabled\n"));
2247 printf(GT_(" Envelope header is assumed to be: %s\n"),
2248 ctl->server.envelope ? ctl->server.envelope : "Received");
2249 if (ctl->server.envskip || outlevel >= O_VERBOSE)
2250 printf(GT_(" Number of envelope headers to be skipped over: %d\n"),
2251 ctl->server.envskip);
2252 if (ctl->server.qvirtual)
2253 printf(GT_(" Prefix %s will be removed from user id\n"),
2254 ctl->server.qvirtual);
2255 else if (outlevel >= O_VERBOSE)
2256 printf(GT_(" No prefix stripping\n"));
2259 if (ctl->server.akalist)
2261 printf(GT_(" Predeclared mailserver aliases:"));
2262 for (idp = ctl->server.akalist; idp; idp = idp->next)
2263 printf(" %s", idp->id);
2267 if (ctl->server.localdomains)
2269 printf(GT_(" Local domains:"));
2270 for (idp = ctl->server.localdomains; idp; idp = idp->next)
2271 printf(" %s", idp->id);
2278 if (ctl->server.interface)
2279 printf(GT_(" Connection must be through interface %s.\n"), ctl->server.interface);
2280 else if (outlevel >= O_VERBOSE)
2281 printf(GT_(" No interface requirement specified.\n"));
2282 if (ctl->server.monitor)
2283 printf(GT_(" Polling loop will monitor %s.\n"), ctl->server.monitor);
2284 else if (outlevel >= O_VERBOSE)
2285 printf(GT_(" No monitor interface specified.\n"));
2288 if (ctl->server.plugin)
2289 printf(GT_(" Server connections will be made via plugin %s (--plugin %s).\n"), ctl->server.plugin, ctl->server.plugin);
2290 else if (outlevel >= O_VERBOSE)
2291 printf(GT_(" No plugin command specified.\n"));
2292 if (ctl->server.plugout)
2293 printf(GT_(" Listener connections will be made via plugout %s (--plugout %s).\n"), ctl->server.plugout, ctl->server.plugout);
2294 else if (outlevel >= O_VERBOSE)
2295 printf(GT_(" No plugout command specified.\n"));
2297 if (MAILBOX_PROTOCOL(ctl))
2301 if (!(count = uid_db_n_records(&ctl->oldsaved)))
2302 printf(GT_(" No UIDs saved from this host.\n"));
2305 printf(GT_(" %d UIDs saved.\n"), count);
2306 traverse_uid_db(&ctl->oldsaved, print_id_of, NULL);
2310 if (ctl->server.tracepolls)
2311 printf(GT_(" Poll trace information will be added to the Received header.\n"));
2312 else if (outlevel >= O_VERBOSE)
2313 printf(GT_(" No poll trace information will be added to the Received header.\n"));
2315 switch (ctl->server.badheader) {
2317 if (outlevel >= O_VERBOSE)
2318 printf(GT_(" Messages with bad headers will be rejected.\n"));
2321 printf(GT_(" Messages with bad headers will be passed on.\n"));
2325 switch (ctl->server.retrieveerror) {
2327 if (outlevel >= O_VERBOSE)
2328 printf(GT_(" Messages with fetch body errors will cause the session to abort.\n"));
2331 printf(GT_(" Messages with fetch body errors will be skipped, the session will continue.\n"));
2334 printf(GT_(" Messages with fetch body errors will be marked seen, the session will continue.\n"));
2338 if (ctl->properties)
2339 printf(GT_(" Pass-through properties \"%s\".\n"),
2340 visbuf(ctl->properties));
2344 /* fetchmail.c ends here */