5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 2003 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
21 * Created: Wed Mar 19 00:17:12 1997
23 * This is the main program for the SILC daemon. This parses command
24 * line arguments and creates the server object.
28 #include "serverincludes.h"
29 #include "server_internal.h"
30 #include "silcversion.h"
32 /* For now, we'll have this one server context global for this module. */
33 static SilcServer silcd;
35 static void silc_usage(void);
37 /* Long command line options */
38 static struct option long_opts[] =
40 { "config-file", 1, NULL, 'f' },
41 { "passphrase", 1, NULL, 'p' },
42 { "debug", 2, NULL, 'd' },
43 { "debug-level", 1, NULL, 'D' },
44 { "hexdump", 0, NULL, 'x' },
45 { "help", 0, NULL, 'h' },
46 { "foreground", 0, NULL, 'F' },
47 { "version", 0, NULL,'V' },
49 /* Key management options */
50 { "create-key-pair", 1, NULL, 'C' },
51 { "pkcs", 1, NULL, 10 },
52 { "bits", 1, NULL, 11 },
53 { "identifier", 1, NULL, 12 },
58 /* Command line option variables */
59 static char *opt_keypath = NULL;
60 static char *opt_pkcs = "rsa";
61 static char *opt_identifier = NULL;
62 static int opt_bits = 2048;
64 /* Prints out the usage of silc client */
66 static void silc_usage(void)
69 "Usage: silcd [options]\n"
72 " -f --config-file=FILE Alternate configuration file\n"
73 " -d --debug=string Enable debugging (Implies --foreground)\n"
74 " -D --debug-level=level Enable debugging (Implies --foreground)\n"
75 " -x --hexdump Enable hexdumps (Implies --debug)\n"
76 " -h --help Display this message\n"
77 " -F --foreground Dont fork\n"
78 " -V --version Display version\n"
80 " Key Management Options:\n"
81 " -C, --create-key-pair=PATH Create new public key pair\n"
82 " --pkcs=PKCS Set the PKCS of the public key pair\n"
83 " --bits=VALUE Set length of the public key pair\n"
84 " --identifier=IDENTIFIER Public key identifier\n"
86 " The public key identifier may be of the following format:\n"
88 " UN=<username>, HN=<hostname or IP>, RN=<real name>, E=<email>,\n"
89 " O=<organization>, C=<country>\n"
91 " The UN and HN must be provided, the others are optional. If the\n"
92 " --identifier option is not used an identifier will be created for\n"
93 " the public key automatically.\n"
95 " Example identifier: \"UN=foobar, HN=foo.bar.com, RN=Foo T. Bar, \n"
96 " E=foo@bar.com, C=FI\"\n"
101 /* Die if a *valid* pid file exists already */
103 static void silc_server_checkpid(SilcServer silcd)
105 if (silcd->config->server_info->pid_file) {
110 SILC_LOG_DEBUG(("Checking for another silcd running"));
111 buf = silc_file_readfile(silcd->config->server_info->pid_file, &buf_len);
118 kill(oldpid, SIGCHLD); /* this signal does nothing, check if alive */
119 if (errno != ESRCH) {
120 fprintf(stderr, "\nI detected another daemon running with the "
122 fprintf(stderr, "Please change the config file, or erase the %s\n",
123 silcd->config->server_info->pid_file);
129 /* Drop root privileges. If some system call fails, die. */
131 static void silc_server_drop_privs(SilcServer server)
133 /* Are we executing silcd as root or a regular user? */
135 SILC_LOG_DEBUG(("Server started as user"));
142 SILC_LOG_DEBUG(("Server started as root. Dropping privileges."));
144 /* Get the values given for user and group in configuration file */
145 user = server->config->server_info->user;
146 group = server->config->server_info->group;
148 if (!user || !group) {
149 fprintf(stderr, "Error:"
150 "\tSILC server must not be run as root. For the security of your\n"
151 "\tsystem it is strongly suggested that you run SILC under dedicated\n"
152 "\tuser account. Modify the ServerInfo configuration section to run\n"
153 "\tthe server as non-root user.\n");
157 /* Check whether the user/group does not begin with a number */
158 if (isdigit(user[0]) || isdigit(group[0])) {
159 SILC_LOG_DEBUG(("User and/or group starts with a number"));
160 fprintf(stderr, "Invalid user and/or group information\n");
161 fprintf(stderr, "Please assign them as names, not numbers\n");
165 if (!(pw = getpwnam(user))) {
166 fprintf(stderr, "Error: No such user %s found.\n", user);
169 if (!(gr = getgrnam(group))) {
170 fprintf(stderr, "Error: No such group %s found.\n", group);
174 /* Check whether user and/or group is set to root. If yes, exit
175 immediately. Otherwise, setgid and setuid server to user.group */
176 if ((gr->gr_gid == 0) || (pw->pw_uid == 0)) {
177 fprintf(stderr, "Error:"
178 "\tSILC server must not be run as root. For the security of your\n"
179 "\tsystem it is strongly suggested that you run SILC under dedicated\n"
180 "\tuser account. Modify the ServerInfo configuration section to run\n"
181 "\tthe server as non-root user.\n");
185 SILC_LOG_DEBUG(("Changing to group %s (gid=%u)", group, gr->gr_gid));
186 if (setgid(gr->gr_gid) != 0) {
187 fprintf(stderr, "Error: Failed setgid() to %s (gid=%u). Exiting.\n",
191 #if defined HAVE_SETGROUPS && defined HAVE_INITGROUPS
192 SILC_LOG_DEBUG(("Removing supplementary groups"));
193 if (setgroups(0, NULL) != 0) {
194 fprintf(stderr, "Error: Failed setgroups() to NULL. Exiting.\n");
197 SILC_LOG_DEBUG(("Setting supplementary groups for user %s", user));
198 if (initgroups(user, gr->gr_gid) != 0) {
199 fprintf(stderr, "Error: Failed initgroups() for user %s (gid=%u). "
200 "Exiting.\n", user, gr->gr_gid);
204 SILC_LOG_DEBUG(("Changing to user %s (uid=%u)", user, pw->pw_uid));
205 if (setuid(pw->pw_uid) != 0) {
206 fprintf(stderr, "Error: Failed to setuid() to %s (gid=%u). Exiting.\n",
213 /* Fork server to background */
215 static void silc_server_daemonise(SilcServer server)
219 SILC_LOG_DEBUG(("Forking SILC server to background"));
221 if ((i = fork()) < 0) {
222 fprintf(stderr, "Error: fork() failed: %s\n", strerror(errno));
226 if (i) /* Kill the parent */
229 server->background = TRUE;
232 /* XXX close stdin, stdout, stderr -- before this, check that all writes
233 to stderr are changed to SILC_SERVER_LOG_ERROR() */
236 static void signal_handler(int sig)
238 /* Mark the signal to be caller after this signal is over. */
239 silc_schedule_signal_call(silcd->schedule, sig);
242 SILC_TASK_CALLBACK(got_hup)
244 /* First, reset all log files (they might have been deleted) */
245 silc_log_reset_all();
247 /* Rehash the configuration file */
248 silc_server_rehash(silcd);
251 SILC_TASK_CALLBACK(stop_server)
253 /* Stop scheduler, the program will stop eventually after noticing
254 that the scheduler is down. */
255 silc_schedule_stop(silcd->schedule);
258 /* Dump server statistics into a file into /tmp directory */
260 SILC_TASK_CALLBACK(dump_stats)
265 memset(filename, 0, sizeof(filename));
266 snprintf(filename, sizeof(filename) - 1, "/tmp/silcd.%d.stats", getpid());
267 fdd = fopen(filename, "w+");
271 #define STAT_OUTPUT(fmt, stat) fprintf(fdd, fmt "\n", (int)stat);
273 fprintf(fdd, "SILC Server %s Statistics\n\n", silcd->server_name);
274 fprintf(fdd, "Local Stats:\n");
275 STAT_OUTPUT(" My clients : %d", silcd->stat.my_clients);
276 STAT_OUTPUT(" My servers : %d", silcd->stat.my_servers);
277 STAT_OUTPUT(" My routers : %d", silcd->stat.my_routers);
278 STAT_OUTPUT(" My channels : %d", silcd->stat.my_channels);
279 STAT_OUTPUT(" My joined users : %d", silcd->stat.my_chanclients);
280 STAT_OUTPUT(" My aways : %d", silcd->stat.my_aways);
281 STAT_OUTPUT(" My detached clients : %d", silcd->stat.my_detached);
282 STAT_OUTPUT(" My server operators : %d", silcd->stat.my_server_ops);
283 STAT_OUTPUT(" My router operators : %d", silcd->stat.my_router_ops);
284 fprintf(fdd, "\nGlobal Stats:\n");
285 STAT_OUTPUT(" Cell clients : %d", silcd->stat.cell_clients);
286 STAT_OUTPUT(" Cell servers : %d", silcd->stat.cell_servers);
287 STAT_OUTPUT(" Cell channels : %d", silcd->stat.cell_channels);
288 STAT_OUTPUT(" Cell joined users : %d", silcd->stat.cell_chanclients);
289 STAT_OUTPUT(" All clients : %d", silcd->stat.clients);
290 STAT_OUTPUT(" All servers : %d", silcd->stat.servers);
291 STAT_OUTPUT(" All routers : %d", silcd->stat.routers);
292 STAT_OUTPUT(" All channels : %d", silcd->stat.channels);
293 STAT_OUTPUT(" All joined users : %d", silcd->stat.chanclients);
294 STAT_OUTPUT(" All aways : %d", silcd->stat.aways);
295 STAT_OUTPUT(" All detached clients : %d", silcd->stat.detached);
296 STAT_OUTPUT(" All server operators : %d", silcd->stat.server_ops);
297 STAT_OUTPUT(" All router operators : %d", silcd->stat.router_ops);
298 fprintf(fdd, "\nGeneral Stats:\n");
299 STAT_OUTPUT(" Connection attempts : %d", silcd->stat.conn_attempts);
300 STAT_OUTPUT(" Connection failures : %d", silcd->stat.conn_failures);
301 STAT_OUTPUT(" Authentication attempts : %d", silcd->stat.auth_attempts);
302 STAT_OUTPUT(" Authentication failures : %d", silcd->stat.auth_failures);
303 STAT_OUTPUT(" Packets sent : %d", silcd->stat.packets_sent);
304 STAT_OUTPUT(" Packets received : %d", silcd->stat.packets_received);
309 /* Dump internal flags */
310 fprintf(fdd, "\nDumping internal flags\n");
311 fprintf(fdd, " server_type : %d\n", silcd->server_type);
312 fprintf(fdd, " standalone : %d\n", silcd->standalone);
313 fprintf(fdd, " listenning : %d\n", silcd->listenning);
314 fprintf(fdd, " background : %d\n", silcd->background);
315 fprintf(fdd, " backup_router : %d\n", silcd->backup_router);
316 fprintf(fdd, " backup_primary : %d\n", silcd->backup_primary);
317 fprintf(fdd, " backup_noswitch : %d\n", silcd->backup_noswitch);
318 fprintf(fdd, " wait_backup : %d\n", silcd->wait_backup);
320 fprintf(fdd, " primary router : %s\n",
321 silcd->router->server_name ? silcd->router->server_name : "");
323 /* Dump socket connections */
326 SilcSocketConnection s;
328 fprintf(fdd, "\nDumping socket connections\n");
329 for (i = 0; i < silcd->config->param.connections_max; i++) {
330 s = silcd->sockets[i];
333 fprintf(fdd, " %d: host %s ip %s port %d type %d flags 0x%x\n",
334 s->sock, s->hostname ? s->hostname : "N/A",
335 s->ip ? s->ip : "N/A", s->port, s->type,
336 (unsigned int)s->flags);
342 SilcIDCacheList list = NULL;
343 SilcIDCacheEntry id_cache = NULL;
344 SilcServerEntry server_entry;
345 SilcClientEntry client_entry;
346 SilcChannelEntry channel_entry;
349 fprintf(fdd, "\nDumping databases\n");
351 if (silc_idcache_get_all(silcd->local_list->servers, &list)) {
352 if (silc_idcache_list_first(list, &id_cache)) {
353 fprintf(fdd, "\nServers in local-list:\n");
356 server_entry = (SilcServerEntry)id_cache->context;
357 fprintf(fdd, " %d: name %s id %s status 0x%x\n", c,
358 server_entry->server_name ? server_entry->server_name :
359 "N/A", server_entry->id ?
360 silc_id_render(server_entry->id, SILC_ID_SERVER) : "N/A",
361 server_entry->data.status);
362 if (!silc_idcache_list_next(list, &id_cache))
367 silc_idcache_list_free(list);
369 if (silc_idcache_get_all(silcd->global_list->servers, &list)) {
370 if (silc_idcache_list_first(list, &id_cache)) {
371 fprintf(fdd, "\nServers in global-list:\n");
374 server_entry = (SilcServerEntry)id_cache->context;
375 fprintf(fdd, " %d: name %s id %s status 0x%x\n", c,
376 server_entry->server_name ? server_entry->server_name :
377 "N/A", server_entry->id ?
378 silc_id_render(server_entry->id, SILC_ID_SERVER) : "N/A",
379 server_entry->data.status);
380 if (!silc_idcache_list_next(list, &id_cache))
385 silc_idcache_list_free(list);
387 if (silc_idcache_get_all(silcd->local_list->clients, &list)) {
388 if (silc_idcache_list_first(list, &id_cache)) {
389 fprintf(fdd, "\nClients in local-list:\n");
392 client_entry = (SilcClientEntry)id_cache->context;
393 fprintf(fdd, " %d: name %s id %s status 0x%x\n", c,
394 client_entry->nickname ? client_entry->nickname :
395 (unsigned char *)"N/A", client_entry->id ?
396 silc_id_render(client_entry->id, SILC_ID_CLIENT) : "N/A",
397 client_entry->data.status);
398 if (!silc_idcache_list_next(list, &id_cache))
403 silc_idcache_list_free(list);
405 if (silc_idcache_get_all(silcd->global_list->clients, &list)) {
406 if (silc_idcache_list_first(list, &id_cache)) {
407 fprintf(fdd, "\nClients in global-list:\n");
410 client_entry = (SilcClientEntry)id_cache->context;
411 fprintf(fdd, " %d: name %s id %s status 0x%x\n", c,
412 client_entry->nickname ? client_entry->nickname :
413 (unsigned char *)"N/A", client_entry->id ?
414 silc_id_render(client_entry->id, SILC_ID_CLIENT) : "N/A",
415 client_entry->data.status);
416 if (!silc_idcache_list_next(list, &id_cache))
421 silc_idcache_list_free(list);
423 if (silc_idcache_get_all(silcd->local_list->channels, &list)) {
424 if (silc_idcache_list_first(list, &id_cache)) {
425 fprintf(fdd, "\nChannels in local-list:\n");
428 channel_entry = (SilcChannelEntry)id_cache->context;
429 fprintf(fdd, " %d: name %s id %s\n", c,
430 channel_entry->channel_name ? channel_entry->channel_name :
431 "N/A", channel_entry->id ?
432 silc_id_render(channel_entry->id, SILC_ID_CHANNEL) : "N/A");
433 if (!silc_idcache_list_next(list, &id_cache))
438 silc_idcache_list_free(list);
440 if (silc_idcache_get_all(silcd->global_list->channels, &list)) {
441 if (silc_idcache_list_first(list, &id_cache)) {
442 fprintf(fdd, "\nChannels in global-list:\n");
445 channel_entry = (SilcChannelEntry)id_cache->context;
446 fprintf(fdd, " %d: name %s id %s\n", c,
447 channel_entry->channel_name ? channel_entry->channel_name :
448 "N/A", channel_entry->id ?
449 silc_id_render(channel_entry->id, SILC_ID_CHANNEL) : "N/A");
450 if (!silc_idcache_list_next(list, &id_cache))
455 silc_idcache_list_free(list);
469 static DebugLevel debug_levels[] = {
470 /* Very basic stuff from silcd/ */
471 { 3, "silcd\\.c,server\\.c" },
473 /* More stuff from silcd/ */
474 { 7, "silcd\\.c,server\\.c,command\\.c,server_backup\\.c,packet_send\\.c" },
476 /* All basic stuff from silcd/ */
477 { 10, "silc_server_*" },
479 /* All from silcd/ */
480 { 15, "*silcd*,*serverid*,silc_server_*,*idlist*" },
482 /* All from silcd/ and basic stuff from libs */
483 { 20, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,*silcske*" },
485 /* All from silcd/ and more stuff from libs */
486 { 25, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
487 "*silcpacket*,*ske*,*silcrng*" },
489 /* All from silcd/ and even more stuff from libs */
490 { 30, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
491 "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*" },
493 /* All from silcd/ and even more stuff from libs + all from silccore */
494 { 35, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
495 "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
496 "*silcid*,*argument*" },
498 /* All from silcd/, all from silccore, silccrypt and silcmath */
499 { 40, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
500 "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
501 "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*" },
503 /* All from silcd/, all from silccore, silccrypt and silcmath + stuff
505 { 45, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
506 "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
507 "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*,*sim*"
510 /* All from silcd/, all from silccore, silccrypt and silcmath + more stuff
512 { 50, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
513 "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
514 "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*,*sim*"
515 "*sockconn*,*net*" },
517 /* All from silcd/, all from silccore, silccrypt and silcmath + more stuff
519 { 55, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcauth*,"
520 "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
521 "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*,*sim*"
522 "*sockconn*,*net*,*log*,*config*" },
530 static void silc_get_debug_level(int level)
537 for (i = 0; debug_levels[i].string; i++)
538 if (level <= debug_levels[i].level) {
539 silc_log_set_debug_string(debug_levels[i].string);
544 /* This function should not be called directly but through the appropriate
545 wrapper macro defined in server.h */
547 void silc_server_stderr(SilcLogType type, char *message)
549 if (silcd->background) {
550 char *p, *n = message;
552 /* remove newlines if we are going to output it to a log file */
553 for (p = n; *p; p++) {
562 /* the message is freed inside the logging function */
563 silc_log_output(type, message);
566 fprintf(stderr, "%s\n", message);
571 int main(int argc, char **argv)
573 int ret, opt, option_index;
574 bool foreground = FALSE;
575 bool opt_create_keypair = FALSE;
576 char *silcd_config_file = NULL;
579 /* Parse command line arguments */
581 while ((opt = getopt_long(argc, argv, "f:p:d:D:xhFVC:",
582 long_opts, &option_index)) != EOF) {
588 printf("SILCd Secure Internet Live Conferencing daemon, "
589 "version %s (base: SILC Toolkit %s)\n",
590 silc_dist_version, silc_version);
591 printf("(c) 1997 - 2002 Pekka Riikonen "
592 "<priikone@silcnet.org>\n");
599 silc_log_set_debug_string(optarg);
600 foreground = TRUE; /* implied */
601 silc_log_quick = TRUE; /* implied */
604 "Run-time debugging is not enabled. To enable it recompile\n"
605 "the server with --enable-debug configuration option.\n");
612 silc_get_debug_level(atoi(optarg));
613 foreground = TRUE; /* implied */
614 silc_log_quick = TRUE; /* implied */
617 "Run-time debugging is not enabled. To enable it recompile\n"
618 "the server with --enable-debug configuration option.\n");
623 silc_debug_hexdump = TRUE;
624 silc_debug = TRUE; /* implied */
625 foreground = TRUE; /* implied */
626 silc_log_quick = TRUE; /* implied */
629 "Run-time debugging is not enabled. To enable it recompile\n"
630 "the server with --enable-debug configuration option.\n");
634 silcd_config_file = strdup(optarg);
641 * Key management options
644 opt_create_keypair = TRUE;
646 opt_keypath = strdup(optarg);
650 opt_pkcs = strdup(optarg);
654 opt_bits = atoi(optarg);
658 opt_identifier = strdup(optarg);
668 if (opt_create_keypair == TRUE) {
669 /* Create new key pair and exit */
670 char pubfile[256], prvfile[256];
672 memset(pubfile, 0, sizeof(pubfile));
673 memset(prvfile, 0, sizeof(prvfile));
674 snprintf(pubfile, sizeof(pubfile) - 1, "%s/silcd.pub", opt_keypath);
675 snprintf(prvfile, sizeof(prvfile) - 1, "%s/silcd.prv", opt_keypath);
677 silc_cipher_register_default();
678 silc_pkcs_register_default();
679 silc_hash_register_default();
680 silc_hmac_register_default();
681 silc_create_key_pair(opt_pkcs, opt_bits, pubfile, prvfile,
682 opt_identifier, "", NULL, NULL, NULL, FALSE);
686 /* Default configuration file */
687 if (!silcd_config_file)
688 silcd_config_file = strdup(SILC_SERVER_CONFIG_FILE);
690 /* Create SILC Server object */
691 ret = silc_server_alloc(&silcd);
695 /* Register default crypto stuff since we are going to need them
696 in the configuration file parsing phase */
697 silc_cipher_register_default();
698 silc_pkcs_register_default();
699 silc_hash_register_default();
700 silc_hmac_register_default();
702 /* Read configuration files */
703 silcd->config = silc_server_config_alloc(silcd_config_file);
704 if (silcd->config == NULL)
706 silcd->config_file = silcd_config_file;
708 /* Unregister the default crypto stuff so that configuration takes effect */
709 silc_cipher_unregister_all();
710 silc_pkcs_unregister_all();
711 silc_hash_unregister_all();
712 silc_hmac_unregister_all();
714 /* Check for another silcd running */
715 silc_server_checkpid(silcd);
717 /* Initialize the server */
718 if (silc_server_init(silcd) == FALSE)
721 /* Ignore some signals */
722 sa.sa_handler = SIG_IGN;
724 sigemptyset(&sa.sa_mask);
726 sigaction(SIGPIPE, &sa, NULL); /* Ignore broken pipes */
729 sigaction(SIGXFSZ, &sa, NULL); /* Ignore file limit exceeds */
732 sigaction(SIGXCPU, &sa, NULL); /* Ignore CPU time limit exceeds */
735 /* Handle specificly some other signals. */
736 sa.sa_handler = signal_handler;
737 sigaction(SIGHUP, &sa, NULL);
738 sigaction(SIGTERM, &sa, NULL);
739 sigaction(SIGINT, &sa, NULL);
740 sigaction(SIGUSR1, &sa, NULL);
741 silc_schedule_signal_register(silcd->schedule, SIGHUP, got_hup, NULL);
742 silc_schedule_signal_register(silcd->schedule, SIGTERM, stop_server, NULL);
743 silc_schedule_signal_register(silcd->schedule, SIGINT, stop_server, NULL);
744 silc_schedule_signal_register(silcd->schedule, SIGUSR1, dump_stats, NULL);
747 /* Before running the server, fork to background. */
748 silc_server_daemonise(silcd);
750 /* If set, write pid to file */
751 if (silcd->config->server_info->pid_file) {
752 char buf[10], *pidfile = silcd->config->server_info->pid_file;
754 snprintf(buf, sizeof(buf) - 1, "%d\n", getpid());
755 silc_file_writefile(pidfile, buf, strlen(buf));
759 /* Drop root if we are not in debug mode, so you don't need to bother about
760 file writing permissions and so on */
762 silc_server_drop_privs(silcd);
764 /* Run the server. When this returns the server has been stopped
766 silc_server_run(silcd);
768 /* Stop the server and free it. */
769 silc_server_stop(silcd);
770 silc_server_config_destroy(silcd->config);
771 silc_server_free(silcd);
773 /* Flush the logging system */
774 silc_log_flush_all();
776 silc_free(silcd_config_file);
777 silc_free(opt_identifier);
778 silc_free(opt_keypath);
782 silc_free(silcd_config_file);
783 silc_free(opt_identifier);
784 silc_free(opt_keypath);