2 * fetchmail.c -- main driver module for fetchmail
4 * For license terms, see the file COPYING in this directory.
11 #if defined(STDC_HEADERS)
14 #if defined(HAVE_UNISTD_H)
17 #if defined(HAVE_ALLOCA_H)
26 #if defined(HAVE_SYSLOG)
32 #include <sys/types.h>
34 #ifdef HAVE_SYS_WAIT_H
38 #ifdef HAVE_GETHOSTBYNAME
40 #endif /* HAVE_GETHOSTBYNAME */
42 #include "fetchmail.h"
49 #define ENETUNREACH 128 /* Interactive doesn't know this */
50 #endif /* ENETUNREACH */
52 /* prototypes for internal functions */
53 static int load_params(int, char **, int);
54 static void dump_params (struct query *);
55 static int query_host(struct query *);
57 /* controls the detail level of status/progress messages written to stderr */
58 int outlevel; /* see the O_.* constants above */
60 /* daemon mode control */
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 char *cmd_logfile; /* if --logfile was set */
65 int cmd_daemon; /* if --daemon was set */
67 /* miscellaneous global controls */
68 char *idfile; /* UID list file */
69 flag versioninfo; /* emit only version info */
70 char *user; /* the name of the invoking user */
72 char *fetchmailhost; /* the name of the host running fetchmail */
73 char *program_name; /* the name to prefix error messages with */
78 #endif /* NET_SECURITY */
80 static char *lockfile; /* name of lockfile */
81 static int querystatus; /* status of query */
82 static int successes; /* count number of successful polls */
83 static int lastsig; /* last signal received */
85 static void termhook(); /* forward declaration of exit hook */
87 RETSIGTYPE donothing(sig) int sig; {signal(sig, donothing); lastsig = sig;}
90 static void unlockit(int n, void *p)
92 static void unlockit(void)
94 /* must-do actions for exit (but we can't count on being able to do malloc) */
99 int main (int argc, char **argv)
101 int st, bkgd = FALSE;
102 int parsestatus, implicitmode = FALSE;
105 netrc_entry *netrc_list;
106 char *netrc_file, tmpbuf[BUFSIZ];
109 envquery(argc, argv);
111 #define IDFILE_NAME ".fetchids"
112 idfile = (char *) xmalloc(strlen(home)+strlen(IDFILE_NAME)+2);
113 strcpy(idfile, home);
115 strcat(idfile, IDFILE_NAME);
119 if ((parsestatus = parsecmdline(argc,argv,&cmd_opts)) < 0)
122 /* this hint to stdio should help messages come out in the right order */
123 setvbuf(stdout, NULL, _IOLBF, POPBUFSIZE);
127 printf("This is fetchmail release %s", RELEASE_ID);
130 #endif /* POP2_ENABLE */
133 #endif /* POP3_ENABLE */
136 #endif /* IMAP_ENABLE */
139 #endif /* RPA_ENABLE */
142 #endif /* ETRN_ENABLE */
151 #endif /* NET_SECURITY */
154 /* this is an attempt to help remote debugging */
158 /* avoid parsing the config file if all we're doing is killing a daemon */
159 if (!(quitmode && argc == 2))
160 implicitmode = load_params(argc, argv, optind);
162 /* set up to do lock protocol */
164 sprintf(tmpbuf, "%s/fetchmail.pid", PID_DIR);
166 strcpy(tmpbuf, home);
167 strcat(tmpbuf, "/.fetchmail.pid");
170 /* perhaps we just want to check options? */
172 printf("Taking options from command line");
173 if (access(rcfile, 0))
176 printf(" and %s\n", rcfile);
178 printf("Poll interval is %d seconds\n", poll_interval);
179 if (outlevel == O_VERBOSE)
180 printf("Lockfile at %s\n", tmpbuf);
182 printf("Logfile is %s\n", logfile);
183 #if defined(HAVE_SYSLOG)
184 if (errors_to_syslog)
185 printf("Progress messages will be logged via syslog\n");
188 printf("Fetchmail will masquerade and will not generate Received\n");
189 for (ctl = querylist; ctl; ctl = ctl->next) {
190 if (ctl->active && !(implicitmode && ctl->server.skip))
193 if (querylist == NULL)
194 (void) fprintf(stderr,
195 "No mailservers set up -- perhaps %s is missing?\n", rcfile);
199 /* check for another fetchmail running concurrently */
201 if ((lockfile = (char *) malloc(strlen(tmpbuf) + 1)) == NULL)
203 fprintf(stderr,"fetchmail: cannot allocate memory for lock name.\n");
207 (void) strcpy(lockfile, tmpbuf);
208 if ((lockfp = fopen(lockfile, "r")) != NULL )
210 bkgd = (fscanf(lockfp,"%d %d", &pid, &st) == 2);
212 if (kill(pid, 0) == -1) {
213 fprintf(stderr,"fetchmail: removing stale lockfile\n");
221 /* if no mail servers listed and nothing in background, we're done */
222 if (!(quitmode && argc == 2) && pid == -1 && querylist == NULL) {
223 (void)fputs("fetchmail: no mailservers have been specified.\n",stderr);
227 /* perhaps user asked us to kill the other fetchmail */
232 fprintf(stderr,"fetchmail: no other fetchmail is running\n");
236 else if (kill(pid, SIGTERM) < 0)
238 fprintf(stderr,"fetchmail: error killing %s fetchmail at %d; bailing out.\n",
239 bkgd ? "background" : "foreground", pid);
244 fprintf(stderr,"fetchmail: %s fetchmail at %d killed.\n",
245 bkgd ? "background" : "foreground", pid);
254 /* another fetchmail is running -- wake it up or die */
260 "fetchmail: can't check mail while another fetchmail to same host is running.\n");
263 else if (!implicitmode)
266 "fetchmail: can't poll specified hosts with another fetchmail running at %d.\n",
273 "fetchmail: another foreground fetchmail is running at %d.\n",
280 "fetchmail: can't accept options while a background fetchmail is running.\n");
283 else if (kill(pid, SIGUSR1) == 0)
286 "fetchmail: background fetchmail at %d awakened.\n",
293 * Should never happen -- possible only if a background fetchmail
294 * croaks after the first kill probe above but before the
295 * SIGUSR1/SIGHUP transmission.
298 "fetchmail: elder sibling at %d died mysteriously.\n",
300 return(PS_UNDEFINED);
304 /* parse the ~/.netrc file (if present) for future password lookups. */
305 netrc_file = (char *) xmalloc (strlen (home) + 8);
306 strcpy (netrc_file, home);
307 strcat (netrc_file, "/.netrc");
308 netrc_list = parse_netrc(netrc_file);
310 /* pick up interactively any passwords we need but don't have */
311 for (ctl = querylist; ctl; ctl = ctl->next)
312 if (ctl->active && !(implicitmode && ctl->server.skip)&&!ctl->password)
314 if (ctl->server.preauthenticate == A_KERBEROS_V4 || ctl->server.protocol == P_IMAP_K4 || ctl->server.protocol == P_IMAP_GSS)
315 /* Server won't care what the password is, but there
316 must be some non-null string here. */
317 ctl->password = ctl->remotename;
320 /* look up the host and account in the .netrc file. */
321 netrc_entry *p = search_netrc(netrc_list,ctl->server.pollname);
322 while (p && strcmp(p->account, ctl->remotename))
323 p = search_netrc(p->next, ctl->remotename);
325 /* if we find a matching entry with a password, use it */
326 if (p && p->password)
327 ctl->password = xstrdup(p->password);
330 if (ctl->server.protocol != P_ETRN && ctl->server.protocol != P_IMAP_K4 && ctl->server.protocol != P_IMAP_GSS && !ctl->password)
332 (void) sprintf(tmpbuf, "Enter password for %s@%s: ",
333 ctl->remotename, ctl->server.pollname);
334 ctl->password = xstrdup((char *)getpassword(tmpbuf));
339 * Maybe time to go to demon mode...
341 #if defined(HAVE_SYSLOG)
342 if (errors_to_syslog)
344 openlog(program_name, LOG_PID, LOG_MAIL);
349 error_init(poll_interval == 0 && !logfile);
354 daemonize(logfile, termhook);
355 error( 0, 0, "starting fetchmail %s daemon ", RELEASE_ID);
358 * We'll set up a handler for these when we're sleeping,
359 * but ignore them otherwise so as not to interrupt a poll.
361 signal(SIGUSR1, SIG_IGN);
362 if (poll_interval && !getuid())
363 signal(SIGHUP, SIG_IGN);
366 /* beyond here we don't want more than one fetchmail running per user */
368 signal(SIGABRT, termhook);
369 signal(SIGINT, termhook);
370 signal(SIGTERM, termhook);
371 signal(SIGALRM, termhook);
372 signal(SIGPIPE, termhook);
373 signal(SIGQUIT, termhook);
375 /* here's the exclusion lock */
376 if ((lockfp = fopen(lockfile,"w")) != NULL) {
377 fprintf(lockfp,"%d",getpid());
379 fprintf(lockfp," %d", poll_interval);
386 on_exit(unlockit, (char *)NULL);
391 * Query all hosts. If there's only one, the error return will
392 * reflect the status of that transaction.
395 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
397 * This was an efficiency hack that backfired. The theory
398 * was that using TCP/IP for DNS queries would get us better
399 * reliability and shave off some per-UDP-packet costs.
400 * Unfortunately it interacted badly with diald, which effectively
401 * filters out DNS queries over TCP/IP for reasons having to do
402 * with some obscure kernel problem involving bootstrapping of
403 * dynamically-addressed links. I don't understand this mess
404 * and don't want to, so it's "See ya!" to this hack.
406 sethostent(TRUE); /* use TCP/IP for mailserver queries */
407 #endif /* HAVE_RES_SEARCH */
410 for (ctl = querylist; ctl; ctl = ctl->next)
412 if (ctl->active && !(implicitmode && ctl->server.skip))
414 /* check skip interval first so that it counts all polls */
415 if (poll_interval && ctl->server.interval)
417 if (ctl->server.poll_count++ % ctl->server.interval)
419 if (outlevel == O_VERBOSE)
421 "fetchmail: interval not reached, not querying %s\n",
422 ctl->server.pollname);
427 #if defined(linux) && !INET6
428 /* interface_approve() does its own error logging */
429 if (!interface_approve(&ctl->server))
431 #endif /* defined(linux) && !INET6 */
433 #ifdef HAVE_GETHOSTBYNAME
435 * This functions partly as a probe to make sure our
436 * nameserver is still up. The multidrop case
437 * (especially) needs it.
439 if (ctl->server.preauthenticate==A_KERBEROS_V4 || MULTIDROP(ctl))
441 struct hostent *namerec;
443 /* compute the canonical name of the host */
445 namerec = gethostbyname(ctl->server.queryname);
446 if (namerec == (struct hostent *)NULL)
449 "skipping %s poll, ",
450 ctl->server.pollname);
453 if (errno == ENETUNREACH)
454 break; /* go to sleep */
456 #ifdef HAVE_HERROR /* NEXTSTEP doesn't */
459 #endif /* HAVE_HERROR */
464 free(ctl->server.truename);
465 ctl->server.truename=xstrdup((char *)namerec->h_name);
468 #endif /* HAVE_GETHOSTBYNAME */
470 querystatus = query_host(ctl);
472 if (querystatus == PS_SUCCESS) {
476 update_str_lists(ctl);
477 #endif /* POP3_ENABLE */
479 #if defined(linux) && !INET6
480 if (ctl->server.monitor)
482 /* Allow some time for the link to quiesce. One
483 * second is usually sufficient, three is safe.
484 * Note: this delay is important - don't remove!
487 interface_note_activity(&ctl->server);
489 #endif /* defined(linux) && !INET6 */
493 #if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
494 endhostent(); /* release TCP/IP connection to nameserver */
495 #endif /* HAVE_RES_SEARCH */
498 * Close all SMTP delivery sockets. For optimum performance
499 * we'd like to hold them open til end of run, but (1) this
500 * loses if our poll interval is longer than the MTA's inactivity
501 * timeout, and (2) some MTAs (like smail) don't deliver after
502 * each message, but rather queue up mail and wait to actually
503 * deliver it until the input socket is closed.
505 for (ctl = querylist; ctl; ctl = ctl->next)
506 if (ctl->smtp_socket != -1)
508 SMTP_quit(ctl->smtp_socket);
509 close(ctl->smtp_socket);
510 ctl->smtp_socket = -1;
514 * OK, we've polled. Now sleep.
518 if (outlevel == O_VERBOSE)
523 fprintf(stderr, "fetchmail: sleeping at %s", ctime(&now));
527 * With this simple hack, we make it possible for a foreground
528 * fetchmail to wake up one in daemon mode. What we want is the
529 * side effect of interrupting any sleep that may be going on,
530 * forcing fetchmail to re-poll its hosts. The second line is
531 * for people who think all system daemons wake up on SIGHUP.
533 signal(SIGUSR1, donothing);
535 signal(SIGHUP, donothing);
538 * We can't use sleep(3) here because we need an alarm(3)
539 * equivalent in order to implement server nonresponse timeout.
540 * We'll just assume setitimer(2) is available since fetchmail
541 * has to have a BSDoid socket layer to work at all.
544 struct itimerval ntimeout;
546 ntimeout.it_interval.tv_sec = ntimeout.it_interval.tv_usec = 0;
547 ntimeout.it_value.tv_sec = poll_interval;
548 ntimeout.it_value.tv_usec = 0;
550 setitimer(ITIMER_REAL,&ntimeout,NULL);
551 signal(SIGALRM, donothing);
553 signal(SIGALRM, SIG_IGN);
554 if (lastsig == SIGUSR1
555 || ((poll_interval && !getuid()) && lastsig == SIGHUP))
557 #ifdef SYS_SIGLIST_DECLARED
558 error(0, 0, "awakened by %s", sys_siglist[lastsig]);
560 error(0, 0, "awakened by signal %d", lastsig);
565 /* now lock out interrupts again */
566 signal(SIGUSR1, SIG_IGN);
568 signal(SIGHUP, SIG_IGN);
570 if (outlevel == O_VERBOSE)
575 fprintf(stderr, "fetchmail: awakened at %s", ctime(&now));
581 if (outlevel == O_VERBOSE)
582 fprintf(stderr,"fetchmail: normal termination, status %d\n",
583 successes ? PS_SUCCESS : querystatus);
586 exit(successes ? PS_SUCCESS : querystatus);
589 static int load_params(int argc, char **argv, int optind)
591 int implicitmode, st;
593 struct query def_opts, *ctl;
595 memset(&def_opts, '\0', sizeof(struct query));
596 def_opts.smtp_socket = -1;
597 def_opts.smtpaddress = (char *)0;
599 def_opts.server.protocol = P_AUTO;
600 def_opts.server.timeout = CLIENT_TIMEOUT;
601 def_opts.remotename = user;
602 def_opts.expunge = 1;
604 /* this builds the host list */
605 if (prc_parse_file(rcfile, !versioninfo) != 0)
608 if ((implicitmode = (optind >= argc)))
610 for (ctl = querylist; ctl; ctl = ctl->next)
614 for (; optind < argc; optind++)
617 * If hostname corresponds to a host known from the rc file,
618 * simply declare it active. Otherwise synthesize a host
619 * record from command line and defaults
621 for (ctl = querylist; ctl; ctl = ctl->next)
622 if (!strcmp(ctl->server.pollname, argv[optind])
623 || str_in_list(&ctl->server.akalist, argv[optind]))
626 ctl = hostalloc(&cmd_opts);
627 ctl->server.pollname = xstrdup(argv[optind]);
633 /* if there's a defaults record, merge it and lose it */
634 if (querylist && strcmp(querylist->server.pollname, "defaults") == 0)
636 for (ctl = querylist->next; ctl; ctl = ctl->next)
637 optmerge(ctl, querylist);
638 querylist = querylist->next;
641 /* don't allow a defaults record after the first */
642 for (ctl = querylist; ctl; ctl = ctl->next)
643 if (ctl != querylist && strcmp(ctl->server.pollname, "defaults") == 0)
646 /* merge in wired defaults, do sanity checks and prepare internal fields */
647 for (ctl = querylist; ctl; ctl = ctl->next)
649 if (ctl->active && !(implicitmode && ctl->server.skip))
651 /* merge in defaults */
652 optmerge(ctl, &def_opts);
654 /* make sure we have a nonempty host list to forward to */
656 save_str(&ctl->smtphunt, FALSE, fetchmailhost);
658 /* keep lusers from shooting themselves in the foot :-) */
659 if (poll_interval && ctl->limit)
661 fprintf(stderr,"fetchmail: you'd never see large messages!\n");
665 /* if `user' doesn't name a real local user, try to run as root */
666 if ((pw = getpwnam(user)) == (struct passwd *)NULL)
669 ctl->uid = pw->pw_uid; /* for local delivery via MDA */
670 if (!ctl->localnames) /* for local delivery via SMTP */
671 save_str_pair(&ctl->localnames, user, NULL);
673 /* this code enables flags to be turned off */
674 #define DEFAULT(flag, dflt) if (flag == FLAG_TRUE)\
676 else if (flag == FLAG_FALSE)\
680 DEFAULT(ctl->keep, FALSE);
681 DEFAULT(ctl->fetchall, FALSE);
682 DEFAULT(ctl->flush, FALSE);
683 DEFAULT(ctl->rewrite, TRUE);
684 DEFAULT(ctl->stripcr, (ctl->mda != (char *)NULL));
685 DEFAULT(ctl->forcecr, FALSE);
686 DEFAULT(ctl->pass8bits, FALSE);
687 DEFAULT(ctl->dropstatus, FALSE);
688 DEFAULT(ctl->server.dns, TRUE);
689 DEFAULT(ctl->server.uidl, FALSE);
692 #if !defined(HAVE_GETHOSTBYNAME) || !defined(HAVE_RES_SEARCH)
693 /* can't handle multidrop mailboxes unless we can do DNS lookups */
694 if (ctl->localnames && ctl->localnames->next && ctl->server.dns)
696 ctl->server.dns = FALSE;
697 fprintf(stderr, "fetchmail: warning: no DNS available to check multidrop fetches from %s\n", ctl->server.pollname);
699 #endif /* !HAVE_GETHOSTBYNAME || !HAVE_RES_SEARCH */
703 * Compute the true name of the mailserver host.
704 * There are two clashing cases here:
706 * (1) The poll name is a label, possibly on one of several
707 * poll configurations for the same host. In this case
708 * the `via' option will be present and give the true name.
710 * (2) The poll name is the true one, the via name is
711 * localhost. This is going to be typical for ssh-using
714 * We're going to assume the via name is true unless it's
717 * Each poll cycle, if we've got DNS, we'll try to canonicalize
718 * the name. This will function as a probe to ensure the
719 * host's nameserver is up.
721 if (ctl->server.via && strcmp(ctl->server.via, "localhost"))
722 ctl->server.queryname = xstrdup(ctl->server.via);
724 ctl->server.queryname = xstrdup(ctl->server.pollname);
725 ctl->server.truename = xstrdup(ctl->server.queryname);
727 /* if no folders were specified, set up the null one as default */
729 save_str(&ctl->mailboxes, -1, (char *)NULL);
731 /* maybe user overrode timeout on command line? */
732 if (ctl->server.timeout == -1)
733 ctl->server.timeout = CLIENT_TIMEOUT;
737 if (ctl->server.port < 0)
739 (void) fprintf(stderr,
740 "%s configuration invalid, port number cannot be negative",
741 ctl->server.pollname);
744 if (ctl->server.protocol == P_RPOP && ctl->server.port >= 1024)
746 (void) fprintf(stderr,
747 "%s configuration invalid, RPOP requires a privileged port",
748 ctl->server.pollname);
755 /* initialize UID handling */
756 if (!versioninfo && (st = prc_filecheck(idfile)) != 0)
760 initialize_saved_lists(querylist, idfile);
761 #endif /* POP3_ENABLE */
763 /* if cmd_logfile was explicitly set, use it to override logfile */
765 logfile = cmd_logfile;
767 /* likewise for poll_interval */
769 poll_interval = cmd_daemon;
771 /* check and daemon options are not compatible */
772 if (check_only && poll_interval)
775 return(implicitmode);
778 void termhook(int sig)
779 /* to be executed on normal or signal-induced termination */
784 * Sending SMTP QUIT on signal is theoretically nice, but led to a
785 * subtle bug. If fetchmail was terminated by signal while it was
786 * shipping message text, it would hang forever waiting for a
787 * command acknowledge. In theory we could enable the QUIT
788 * only outside of the message send. In practice, we don't
789 * care. All mailservers hang up on a dropped TCP/IP connection
794 error(0, 0, "terminated with signal %d", sig);
796 /* terminate all SMTP connections cleanly */
797 for (ctl = querylist; ctl; ctl = ctl->next)
798 if (ctl->smtp_socket != -1)
799 SMTP_quit(ctl->smtp_socket);
803 write_saved_lists(querylist, idfile);
804 #endif /* POP3_ENABLE */
807 * Craig Metz, the RFC1938 one-time-password guy, points out:
808 * "Remember that most kernels don't zero pages before handing them to the
809 * next process and many kernels share pages between user and kernel space.
810 * You'd be very surprised what you can find from a short program to do a
811 * malloc() and then dump the contents of the pages you got. By zeroing
812 * the secrets at end of run (earlier if you can), you make sure the next
813 * guy can't get the password/pass phrase."
815 * Right you are, Craig!
817 for (ctl = querylist; ctl; ctl = ctl->next)
819 memset(ctl->password, '\0', strlen(ctl->password));
821 #if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
825 exit(successes ? PS_SUCCESS : querystatus);
829 * Sequence of protocols to try when autoprobing, most capable to least.
831 static const int autoprobe[] =
835 #endif /* IMAP_ENABLE */
838 #endif /* POP3_ENABLE */
841 #endif /* POP2_ENABLE */
844 static int query_host(struct query *ctl)
845 /* perform fetch transaction with single host */
849 if (outlevel == O_VERBOSE)
854 fprintf(stderr, "fetchmail: %s querying %s (protocol %s) at %s",
856 ctl->server.pollname, showproto(ctl->server.protocol), ctime(&now));
858 switch (ctl->server.protocol) {
860 for (i = 0; i < sizeof(autoprobe)/sizeof(autoprobe[0]); i++)
862 ctl->server.protocol = autoprobe[i];
863 if ((st = query_host(ctl)) == PS_SUCCESS || st == PS_NOMAIL || st == PS_AUTHFAIL || st == PS_LOCKBUSY || st == PS_SMTP)
866 ctl->server.protocol = P_AUTO;
873 fprintf(stderr, "POP2 support is not configured.\n");
875 #endif /* POP2_ENABLE */
883 fprintf(stderr, "POP3 support is not configured.\n");
885 #endif /* POP3_ENABLE */
893 fprintf(stderr, "IMAP support is not configured.\n");
895 #endif /* IMAP_ENABLE */
899 fprintf(stderr, "ETRN support is not configured.\n");
902 #ifdef HAVE_GETHOSTBYNAME
905 fprintf(stderr, "Cannot support ETRN without gethostbyname(2).\n");
907 #endif /* HAVE_GETHOSTBYNAME */
908 #endif /* ETRN_ENABLE */
910 error(0, 0, "unsupported protocol selected.");
915 void dump_params (struct query *ctl)
916 /* display query parameters in English */
918 printf("Options for retrieving from %s@%s:\n",
919 ctl->remotename, visbuf(ctl->server.pollname));
922 printf(" Mail will be retrieved via %s\n", ctl->server.via);
924 if (ctl->server.interval)
925 printf(" Poll of this server will occur every %d intervals.\n",
926 ctl->server.interval);
927 if (ctl->server.truename)
928 printf(" True name of server is %s.\n", ctl->server.truename);
929 if (ctl->server.skip || outlevel == O_VERBOSE)
930 printf(" This host will%s be queried when no host is specified.\n",
931 ctl->server.skip ? " not" : "");
933 printf(" Password will be prompted for.\n");
934 else if (outlevel == O_VERBOSE)
935 if (ctl->server.protocol == P_APOP)
936 printf(" APOP secret = '%s'.\n", visbuf(ctl->password));
937 else if (ctl->server.protocol == P_RPOP)
938 printf(" RPOP id = '%s'.\n", visbuf(ctl->password));
940 printf(" Password = '%s'.\n", visbuf(ctl->password));
941 if (ctl->server.protocol == P_POP3
943 && !strcmp(ctl->server.service, KPOP_PORT)
945 && ctl->server.port == KPOP_PORT
947 && ctl->server.preauthenticate == A_KERBEROS_V4)
948 printf(" Protocol is KPOP");
950 printf(" Protocol is %s", showproto(ctl->server.protocol));
952 if (ctl->server.service)
953 printf(" (using service %s)", ctl->server.service);
954 if (ctl->server.netsec)
955 printf(" (using network security options %s)", ctl->server.netsec);
957 if (ctl->server.port)
958 printf(" (using port %d)", ctl->server.port);
960 else if (outlevel == O_VERBOSE)
961 printf(" (using default port)");
962 if (ctl->server.uidl)
963 printf(" (forcing UIDL use)");
966 if (ctl->server.preauthenticate == A_KERBEROS_V4)
967 printf(" Kerberos V4 preauthentication enabled.\n");
968 if (ctl->server.timeout > 0)
969 printf(" Server nonresponse timeout is %d seconds", ctl->server.timeout);
970 if (ctl->server.timeout == CLIENT_TIMEOUT)
971 printf(" (default).\n");
975 if (!ctl->mailboxes->id)
976 printf(" Default mailbox selected.\n");
981 printf(" Selected mailboxes are:");
982 for (idp = ctl->mailboxes; idp; idp = idp->next)
983 printf(" %s", idp->id);
986 printf(" %s messages will be retrieved (--all %s).\n",
987 ctl->fetchall ? "All" : "Only new",
988 ctl->fetchall ? "on" : "off");
989 printf(" Fetched messages will%s be kept on the server (--keep %s).\n",
990 ctl->keep ? "" : " not",
991 ctl->keep ? "on" : "off");
992 printf(" Old messages will%s be flushed before message retrieval (--flush %s).\n",
993 ctl->flush ? "" : " not",
994 ctl->flush ? "on" : "off");
995 printf(" Rewrite of server-local addresses is %sabled (--norewrite %s).\n",
996 ctl->rewrite ? "en" : "dis",
997 ctl->rewrite ? "off" : "on");
998 printf(" Carriage-return stripping is %sabled (stripcr %s).\n",
999 ctl->stripcr ? "en" : "dis",
1000 ctl->stripcr ? "on" : "off");
1001 printf(" Carriage-return forcing is %sabled (forcecr %s).\n",
1002 ctl->forcecr ? "en" : "dis",
1003 ctl->forcecr ? "on" : "off");
1004 printf(" Interpretation of Content-Transfer-Encoding is %sabled (pass8bits %s).\n",
1005 ctl->pass8bits ? "dis" : "en",
1006 ctl->pass8bits ? "on" : "off");
1007 printf(" Nonempty Status lines will be %s (dropstatus %s)\n",
1008 ctl->dropstatus ? "discarded" : "kept",
1009 ctl->dropstatus ? "on" : "off");
1010 if (NUM_NONZERO(ctl->limit))
1011 printf(" Message size limit is %d bytes (--limit %d).\n",
1012 ctl->limit, ctl->limit);
1013 else if (outlevel == O_VERBOSE)
1014 printf(" No message size limit (--limit 0).\n");
1015 if (NUM_NONZERO(ctl->fetchlimit))
1016 printf(" Received-message limit is %d (--fetchlimit %d).\n",
1017 ctl->fetchlimit, ctl->fetchlimit);
1018 else if (outlevel == O_VERBOSE)
1019 printf(" No received-message limit (--fetchlimit 0).\n");
1020 if (NUM_NONZERO(ctl->batchlimit))
1021 printf(" SMTP message batch limit is %d.\n", ctl->batchlimit);
1022 else if (outlevel == O_VERBOSE)
1023 printf(" No SMTP message batch limit (--batchlimit 0).\n");
1024 if (ctl->server.protocol == P_IMAP)
1025 if (NUM_NONZERO(ctl->expunge))
1026 printf(" Deletion interval between expunges is %d (--expunge %d).\n", ctl->expunge, ctl->expunge);
1027 else if (outlevel == O_VERBOSE)
1028 printf(" No expunges (--expunge 0).\n");
1030 printf(" Messages will be delivered with '%s.'\n", visbuf(ctl->mda));
1035 printf(" Messages will be SMTP-forwarded to:");
1036 for (idp = ctl->smtphunt; idp; idp = idp->next)
1037 if (ctl->server.protocol != P_ETRN || idp->val.num)
1039 printf(" %s", idp->id);
1041 printf(" (default)");
1044 if (ctl->smtpaddress)
1045 printf(" Host part of MAIL FROM line will be %s\n",
1048 if (ctl->preconnect)
1049 printf(" Server connection will be brought up with '%s.'\n",
1050 visbuf(ctl->preconnect));
1051 else if (outlevel == O_VERBOSE)
1052 printf(" No pre-connection command.\n");
1053 if (ctl->postconnect)
1054 printf(" Server connection will be taken down with '%s.'\n",
1055 visbuf(ctl->postconnect));
1056 else if (outlevel == O_VERBOSE)
1057 printf(" No post-connection command.\n");
1058 if (!ctl->localnames)
1059 printf(" No localnames declared for this host.\n");
1065 for (idp = ctl->localnames; idp; idp = idp->next)
1068 if (count > 1 || ctl->wildcard)
1069 printf(" Multi-drop mode: ");
1071 printf(" Single-drop mode: ");
1073 printf("%d local name(s) recognized.\n", count);
1074 if (outlevel == O_VERBOSE)
1076 for (idp = ctl->localnames; idp; idp = idp->next)
1078 printf("\t%s -> %s\n", idp->id, idp->val.id2);
1080 printf("\t%s\n", idp->id);
1082 fputs("*\n", stdout);
1085 if (count > 1 || ctl->wildcard)
1087 printf(" DNS lookup for multidrop addresses is %sabled.\n",
1088 ctl->server.dns ? "en" : "dis");
1090 if (ctl->server.envelope == STRING_DISABLED)
1091 printf(" Envelope-address routing is disabled\n");
1094 printf(" Envelope header is assumed to be: %s\n",
1095 ctl->server.envelope ? ctl->server.envelope:"Received");
1096 if (ctl->server.envskip > 1 || outlevel >= O_VERBOSE)
1097 printf(" Number of envelope header to be parsed: %d\n",
1098 ctl->server.envskip);
1099 if (ctl->server.qvirtual)
1100 printf(" Prefix %s will be removed from user id\n",
1101 ctl->server.qvirtual);
1102 else if (outlevel >= O_VERBOSE)
1103 printf(" No prefix stripping\n");
1106 if (ctl->server.akalist)
1110 printf(" Predeclared mailserver aliases:");
1111 for (idp = ctl->server.akalist; idp; idp = idp->next)
1112 printf(" %s", idp->id);
1115 if (ctl->server.localdomains)
1119 printf(" Local domains:");
1120 for (idp = ctl->server.localdomains; idp; idp = idp->next)
1121 printf(" %s", idp->id);
1127 if (ctl->server.interface)
1128 printf(" Connection must be through interface %s.\n", ctl->server.interface);
1129 else if (outlevel == O_VERBOSE)
1130 printf(" No interface requirement specified.\n");
1131 if (ctl->server.monitor)
1132 printf(" Polling loop will monitor %s.\n", ctl->server.monitor);
1133 else if (outlevel == O_VERBOSE)
1134 printf(" No monitor interface specified.\n");
1137 if (ctl->server.protocol > P_POP2)
1139 printf(" No UIDs saved from this host.\n");
1145 for (idp = ctl->oldsaved; idp; idp = idp->next)
1148 printf(" %d UIDs saved.\n", count);
1149 if (outlevel == O_VERBOSE)
1150 for (idp = ctl->oldsaved; idp; idp = idp->next)
1151 fprintf(stderr, "\t%s\n", idp->id);
1155 /* fetchmail.c ends here */