/*
silcd.c
-
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Author: Pekka Riikonen <priikone@silcnet.org>
+
+ Copyright (C) 1997 - 2007 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
+ the Free Software Foundation; version 2 of the License.
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
-/*
+/*
* Created: Wed Mar 19 00:17:12 1997
*
* This is the main program for the SILC daemon. This parses command
* line arguments and creates the server object.
*/
-/*
- * $Id$
- * $Log$
- * Revision 1.2 2000/07/05 06:14:01 priikone
- * Global costemic changes.
- *
- * Revision 1.1.1.1 2000/06/27 11:36:56 priikone
- * Imported from internal CVS/Added Log headers.
- *
- *
- */
+/* $Id$ */
#include "serverincludes.h"
#include "server_internal.h"
-#include "version.h"
+#include "silcversion.h"
+
+/* For now, we'll have this one server context global for this module. */
+static SilcServer silcd;
+
+static void silc_usage(void);
+#ifdef HAVE_GETOPT_LONG
/* Long command line options */
-static struct option long_opts[] =
+static struct option long_opts[] =
{
{ "config-file", 1, NULL, 'f' },
- { "generate-config-file", 0, NULL, 'c' },
+ { "passphrase", 1, NULL, 'p' },
+ { "debug", 2, NULL, 'd' },
+ { "debug-level", 1, NULL, 'D' },
+ { "hexdump", 0, NULL, 'x' },
{ "help", 0, NULL, 'h' },
+ { "foreground", 0, NULL, 'F' },
{ "version", 0, NULL,'V' },
+
+ /* Key management options */
+ { "create-key-pair", 1, NULL, 'C' },
+ { "pkcs", 1, NULL, 10 },
+ { "bits", 1, NULL, 11 },
+ { "identifier", 1, NULL, 12 },
+
{ NULL, 0, NULL, 0 }
};
+#endif /* HAVE_GETOPT_LONG */
+
+/* Command line option variables */
+static char *opt_keypath = NULL;
+static char *opt_pkcs = "rsa";
+static char *opt_identifier = NULL;
+static int opt_bits = 2048;
/* Prints out the usage of silc client */
-void silc_usage()
+static void silc_usage(void)
{
- printf("Usage: silcd [options]\n");
- printf("Options:\n");
- printf(" -f --config-file=FILE Alternate configuration file\n");
- printf(" -c --generate-config-file Generate example configuration "
- "file\n");
- printf(" -h --help Display this message\n");
- printf(" -V --version Display version\n");
+ printf(""
+"Usage: silcd [options]\n"
+"\n"
+" Generic Options:\n"
+" -f --config-file=FILE Alternate configuration file\n"
+" -d --debug=string Enable debugging (Implies --foreground)\n"
+" -D --debug-level=level Enable debugging (Implies --foreground)\n"
+" -x --hexdump Enable hexdumps (Implies --debug)\n"
+" -h --help Display this message\n"
+" -F --foreground Dont fork\n"
+" -V --version Display version\n"
+"\n"
+" Key Management Options:\n"
+" -C, --create-key-pair=PATH Create new public key pair\n"
+" --pkcs=PKCS Set the PKCS of the public key pair\n"
+" --bits=VALUE Set length of the public key pair\n"
+" --identifier=IDENTIFIER Public key identifier\n"
+"\n"
+" The public key identifier may be of the following format:\n"
+"\n"
+" UN=<username>, HN=<hostname or IP>, RN=<real name>, E=<email>,\n"
+" O=<organization>, C=<country>\n"
+"\n"
+" The UN and HN must be provided, the others are optional. If the\n"
+" --identifier option is not used an identifier will be created for\n"
+" the public key automatically.\n"
+"\n"
+" Example identifier: \"UN=foobar, HN=foo.bar.com, RN=Foo T. Bar, \n"
+" E=foo@bar.com, C=FI\"\n"
+"\n");
exit(0);
}
+/* Die if a *valid* pid file exists already */
+
+static void silc_server_checkpid(SilcServer silcd)
+{
+ if (silcd->config->server_info->pid_file) {
+ int oldpid;
+ char *buf;
+ SilcUInt32 buf_len;
+
+ SILC_LOG_DEBUG(("Checking for another silcd running"));
+ buf = silc_file_readfile(silcd->config->server_info->pid_file, &buf_len);
+ if (!buf)
+ return;
+ oldpid = atoi(buf);
+ silc_free(buf);
+ if (oldpid <= 0)
+ return;
+ kill(oldpid, SIGCHLD); /* this signal does nothing, check if alive */
+ if (errno != ESRCH) {
+ fprintf(stderr, "\nI detected another daemon running with the "
+ "same pid file.\n");
+ fprintf(stderr, "Please change the config file, or erase the %s\n",
+ silcd->config->server_info->pid_file);
+ exit(1);
+ }
+ }
+}
+
+/* Drop root privileges. If some system call fails, die. */
+
+static void silc_server_drop_privs(SilcServer server)
+{
+ /* Are we executing silcd as root or a regular user? */
+ if (geteuid()) {
+ SILC_LOG_DEBUG(("Server started as user"));
+ }
+ else {
+ struct passwd *pw;
+ struct group *gr;
+ char *user, *group;
+
+ SILC_LOG_DEBUG(("Server started as root. Dropping privileges."));
+
+ /* Get the values given for user and group in configuration file */
+ user = server->config->server_info->user;
+ group = server->config->server_info->group;
+
+ if (!user || !group) {
+ fprintf(stderr, "Error:"
+ "\tSILC server must not be run as root. For the security of your\n"
+ "\tsystem it is strongly suggested that you run SILC under dedicated\n"
+ "\tuser account. Modify the ServerInfo configuration section to run\n"
+ "\tthe server as non-root user.\n");
+ exit(1);
+ }
+
+ /* Check whether the user/group does not begin with a number */
+ if (isdigit(user[0]) || isdigit(group[0])) {
+ SILC_LOG_DEBUG(("User and/or group starts with a number"));
+ fprintf(stderr, "Invalid user and/or group information\n");
+ fprintf(stderr, "Please assign them as names, not numbers\n");
+ exit(1);
+ }
+
+ if (!(pw = getpwnam(user))) {
+ fprintf(stderr, "Error: No such user %s found.\n", user);
+ exit(1);
+ }
+ if (!(gr = getgrnam(group))) {
+ fprintf(stderr, "Error: No such group %s found.\n", group);
+ exit(1);
+ }
+
+ /* Check whether user and/or group is set to root. If yes, exit
+ immediately. Otherwise, setgid and setuid server to user.group */
+ if ((gr->gr_gid == 0) || (pw->pw_uid == 0)) {
+ fprintf(stderr, "Error:"
+ "\tSILC server must not be run as root. For the security of your\n"
+ "\tsystem it is strongly suggested that you run SILC under dedicated\n"
+ "\tuser account. Modify the ServerInfo configuration section to run\n"
+ "\tthe server as non-root user.\n");
+ exit(1);
+ }
+
+ SILC_LOG_DEBUG(("Changing to group %s (gid=%u)", group, gr->gr_gid));
+ if (setgid(gr->gr_gid) != 0) {
+ fprintf(stderr, "Error: Failed setgid() to %s (gid=%u). Exiting.\n",
+ group, gr->gr_gid);
+ exit(1);
+ }
+#if defined HAVE_SETGROUPS && defined HAVE_INITGROUPS
+ SILC_LOG_DEBUG(("Removing supplementary groups"));
+ if (setgroups(0, NULL) != 0) {
+ fprintf(stderr, "Error: Failed setgroups() to NULL. Exiting.\n");
+ exit(1);
+ }
+ SILC_LOG_DEBUG(("Setting supplementary groups for user %s", user));
+ if (initgroups(user, gr->gr_gid) != 0) {
+ fprintf(stderr, "Error: Failed initgroups() for user %s (gid=%u). "
+ "Exiting.\n", user, gr->gr_gid);
+ exit(1);
+ }
+#endif
+ SILC_LOG_DEBUG(("Changing to user %s (uid=%u)", user, pw->pw_uid));
+ if (setuid(pw->pw_uid) != 0) {
+ fprintf(stderr, "Error: Failed to setuid() to %s (gid=%u). Exiting.\n",
+ user, pw->pw_uid);
+ exit(1);
+ }
+ }
+}
+
+/* Fork server to background */
+
+static void silc_server_daemonise(SilcServer server)
+{
+ int i;
+
+ SILC_LOG_DEBUG(("Forking SILC server to background"));
+
+ if ((i = fork()) < 0) {
+ fprintf(stderr, "Error: fork() failed: %s\n", strerror(errno));
+ exit(1);
+ }
+
+ if (i) /* Kill the parent */
+ exit(0);
+
+ server->background = TRUE;
+ setsid();
+
+ /* XXX close stdin, stdout, stderr -- before this, check that all writes
+ to stderr are changed to SILC_SERVER_LOG_ERROR() */
+}
+
+SILC_TASK_CALLBACK(got_hup)
+{
+ /* First, reset all log files (they might have been deleted) */
+ silc_log_reset_all();
+
+ /* Rehash the configuration file */
+ silc_server_rehash(silcd);
+}
+
+SILC_TASK_CALLBACK(stop_server)
+{
+ silc_server_stop(silcd);
+}
+
+/* Dump server statistics into a file into /tmp directory */
+
+SILC_TASK_CALLBACK(dump_stats)
+{
+ FILE *fdd;
+ int fild;
+ char filename[256];
+
+ memset(filename, 0, sizeof(filename));
+ snprintf(filename, sizeof(filename) - 1, "/tmp/silcd.%d.stats-XXXXXX", getpid());
+ fild = mkstemp(filename);
+ if (fild == -1)
+ return;
+
+ fdd = fdopen(fild, "w");
+ if (fdd == NULL) {
+ close(fild);
+ unlink(filename);
+ return;
+ }
+
+#define STAT_OUTPUT(fmt, stat) fprintf(fdd, fmt "\n", (int)stat);
+
+ fprintf(fdd, "SILC Server %s Statistics\n\n", silcd->server_name);
+ fprintf(fdd, "Local Stats:\n");
+ STAT_OUTPUT(" My clients : %d", silcd->stat.my_clients);
+ STAT_OUTPUT(" My servers : %d", silcd->stat.my_servers);
+ STAT_OUTPUT(" My routers : %d", silcd->stat.my_routers);
+ STAT_OUTPUT(" My channels : %d", silcd->stat.my_channels);
+ STAT_OUTPUT(" My joined users : %d", silcd->stat.my_chanclients);
+ STAT_OUTPUT(" My aways : %d", silcd->stat.my_aways);
+ STAT_OUTPUT(" My detached clients : %d", silcd->stat.my_detached);
+ STAT_OUTPUT(" My server operators : %d", silcd->stat.my_server_ops);
+ STAT_OUTPUT(" My router operators : %d", silcd->stat.my_router_ops);
+ fprintf(fdd, "\nGlobal Stats:\n");
+ STAT_OUTPUT(" Cell clients : %d", silcd->stat.cell_clients);
+ STAT_OUTPUT(" Cell servers : %d", silcd->stat.cell_servers);
+ STAT_OUTPUT(" Cell channels : %d", silcd->stat.cell_channels);
+ STAT_OUTPUT(" Cell joined users : %d", silcd->stat.cell_chanclients);
+ STAT_OUTPUT(" All clients : %d", silcd->stat.clients);
+ STAT_OUTPUT(" All servers : %d", silcd->stat.servers);
+ STAT_OUTPUT(" All routers : %d", silcd->stat.routers);
+ STAT_OUTPUT(" All channels : %d", silcd->stat.channels);
+ STAT_OUTPUT(" All joined users : %d", silcd->stat.chanclients);
+ STAT_OUTPUT(" All aways : %d", silcd->stat.aways);
+ STAT_OUTPUT(" All detached clients : %d", silcd->stat.detached);
+ STAT_OUTPUT(" All server operators : %d", silcd->stat.server_ops);
+ STAT_OUTPUT(" All router operators : %d", silcd->stat.router_ops);
+ fprintf(fdd, "\nGeneral Stats:\n");
+ STAT_OUTPUT(" Connection attempts : %d", silcd->stat.conn_attempts);
+ STAT_OUTPUT(" Connection failures : %d", silcd->stat.conn_failures);
+ STAT_OUTPUT(" Authentication attempts : %d", silcd->stat.auth_attempts);
+ STAT_OUTPUT(" Authentication failures : %d", silcd->stat.auth_failures);
+ STAT_OUTPUT(" Packets sent : %d", silcd->stat.packets_sent);
+ STAT_OUTPUT(" Packets received : %d", silcd->stat.packets_received);
+ STAT_OUTPUT(" Commands sent : %d", silcd->stat.commands_sent);
+ STAT_OUTPUT(" Commands received : %d", silcd->stat.commands_received);
+ STAT_OUTPUT(" Connections : %d", silcd->stat.conn_num);
+
+#undef STAT_OUTPUT
+
+#ifdef SILC_DEBUG
+ /* Dump internal flags */
+ fprintf(fdd, "\nDumping internal flags\n");
+ fprintf(fdd, " server_type : %d\n", silcd->server_type);
+ fprintf(fdd, " standalone : %d\n", silcd->standalone);
+ fprintf(fdd, " listenning : %d\n", silcd->listenning);
+ fprintf(fdd, " background : %d\n", silcd->background);
+ fprintf(fdd, " backup_router : %d\n", silcd->backup_router);
+ fprintf(fdd, " backup_primary : %d\n", silcd->backup_primary);
+ fprintf(fdd, " backup_noswitch : %d\n", silcd->backup_noswitch);
+ fprintf(fdd, " backup_closed : %d\n", silcd->backup_closed);
+ fprintf(fdd, " wait_backup : %d\n", silcd->wait_backup);
+ if (silcd->router)
+ fprintf(fdd, " primary router : %s\n",
+ silcd->router->server_name ? silcd->router->server_name : "");
+
+ /* Dump connections */
+ {
+ SilcPacketStream s;
+ SilcDList conns = silc_packet_engine_get_streams(silcd->packet_engine);
+
+ fprintf(fdd, "\nDumping connections\n");
+ silc_dlist_start(conns);
+ while ((s = silc_dlist_get(conns))) {
+ const char *hostname, *ip;
+ SilcUInt16 port;
+ SilcSocket sock;
+ SilcIDListData idata = silc_packet_get_context(s);
+ if (!silc_socket_stream_get_info(silc_packet_stream_get_stream(s),
+ &sock, &hostname, &ip, &port))
+ continue;
+ fprintf(fdd, " %d: host %s ip %s port %d type %d\n",
+ sock, hostname ? hostname : "N/A",
+ ip ? ip : "N/A", port, idata ? idata->conn_type : 0);
+ }
+ silc_dlist_uninit(conns);
+ }
+
+ /* Dump lists */
+ {
+ SilcList list;
+ SilcIDCacheEntry id_cache = NULL;
+ SilcServerEntry server_entry;
+ SilcClientEntry client_entry;
+ SilcChannelEntry channel_entry;
+ int c;
+
+ fprintf(fdd, "\nDumping databases\n");
+
+ if (silc_idcache_get_all(silcd->local_list->servers, &list)) {
+ c = 1;
+ fprintf(fdd, "\nServers in local-list:\n");
+ while ((id_cache = silc_list_get(list))) {
+ server_entry = (SilcServerEntry)id_cache->context;
+ fprintf(fdd, " %d: name %s id %s status 0x%x\n", c,
+ server_entry->server_name ? server_entry->server_name :
+ "N/A", server_entry->id ?
+ silc_id_render(server_entry->id, SILC_ID_SERVER) : "N/A",
+ server_entry->data.status);
+ c++;
+ }
+ }
+ if (silc_idcache_get_all(silcd->global_list->servers, &list)) {
+ fprintf(fdd, "\nServers in global-list:\n");
+ c = 1;
+ while ((id_cache = silc_list_get(list))) {
+ server_entry = (SilcServerEntry)id_cache->context;
+ fprintf(fdd, " %d: name %s id %s status 0x%x\n", c,
+ server_entry->server_name ? server_entry->server_name :
+ "N/A", server_entry->id ?
+ silc_id_render(server_entry->id, SILC_ID_SERVER) : "N/A",
+ server_entry->data.status);
+ c++;
+ }
+ }
+ if (silc_idcache_get_all(silcd->local_list->clients, &list)) {
+ fprintf(fdd, "\nClients in local-list:\n");
+ c = 1;
+ while ((id_cache = silc_list_get(list))) {
+ client_entry = (SilcClientEntry)id_cache->context;
+ server_entry = client_entry->router;
+ fprintf(fdd, " %d: name %s id %s status 0x%x from %s\n", c,
+ client_entry->nickname ? client_entry->nickname :
+ (unsigned char *)"N/A", client_entry->id ?
+ silc_id_render(client_entry->id, SILC_ID_CLIENT) : "N/A",
+ client_entry->data.status, server_entry ?
+ server_entry->server_name ? server_entry->server_name :
+ "N/A" : "local");
+ c++;
+ }
+ }
+ if (silc_idcache_get_all(silcd->global_list->clients, &list)) {
+ fprintf(fdd, "\nClients in global-list:\n");
+ c = 1;
+ while ((id_cache = silc_list_get(list))) {
+ client_entry = (SilcClientEntry)id_cache->context;
+ server_entry = client_entry->router;
+ fprintf(fdd, " %d: name %s id %s status 0x%x from %s\n", c,
+ client_entry->nickname ? client_entry->nickname :
+ (unsigned char *)"N/A", client_entry->id ?
+ silc_id_render(client_entry->id, SILC_ID_CLIENT) : "N/A",
+ client_entry->data.status, server_entry ?
+ server_entry->server_name ? server_entry->server_name :
+ "N/A" : "local");
+ c++;
+ }
+ }
+ if (silc_idcache_get_all(silcd->local_list->channels, &list)) {
+ fprintf(fdd, "\nChannels in local-list:\n");
+ c = 1;
+ while ((id_cache = silc_list_get(list))) {
+ channel_entry = (SilcChannelEntry)id_cache->context;
+ fprintf(fdd, " %d: name %s id %s\n", c,
+ channel_entry->channel_name ? channel_entry->channel_name :
+ "N/A", channel_entry->id ?
+ silc_id_render(channel_entry->id, SILC_ID_CHANNEL) : "N/A");
+ c++;
+ }
+ }
+ if (silc_idcache_get_all(silcd->global_list->channels, &list)) {
+ fprintf(fdd, "\nChannels in global-list:\n");
+ c = 1;
+ while ((id_cache = silc_list_get(list))) {
+ channel_entry = (SilcChannelEntry)id_cache->context;
+ fprintf(fdd, " %d: name %s id %s\n", c,
+ channel_entry->channel_name ? channel_entry->channel_name :
+ "N/A", channel_entry->id ?
+ silc_id_render(channel_entry->id, SILC_ID_CHANNEL) : "N/A");
+ c++;
+ }
+ }
+ }
+#endif
+
+ fflush(fdd);
+ fclose(fdd);
+}
+
+#ifdef SILC_DEBUG
+
+typedef struct {
+ int level;
+ const char *string;
+} DebugLevel;
+
+static DebugLevel debug_levels[] = {
+ /* Very basic stuff from silcd/ */
+ { 3, "silcd\\.c,server\\.c" },
+
+ /* More stuff from silcd/ */
+ { 7, "silcd\\.c,server\\.c,command\\.c,server_backup\\.c,packet_send\\.c" },
+
+ /* All basic stuff from silcd/ */
+ { 10, "silc_server_*" },
+
+ /* All from silcd/ */
+ { 15, "*silcd*,*serverid*,silc_server_*,*idlist*" },
+
+ /* All from silcd/ and basic stuff from libs */
+ { 20, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,*silcske*" },
+
+ /* All from silcd/ and more stuff from libs */
+ { 25, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*" },
+
+ /* All from silcd/ and even more stuff from libs */
+ { 30, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*" },
+
+ /* All from silcd/ and even more stuff from libs + all from silccore */
+ { 35, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
+ "*silcid*,*argument*" },
+
+ /* All from silcd/, all from silccore, silccrypt and silcmath */
+ { 40, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
+ "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*" },
+
+ /* All from silcd/, all from silccore, silccrypt and silcmath + stuff
+ from silcutil */
+ { 45, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
+ "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*,*sim*"
+ "*sockconn*" },
+
+ /* All from silcd/, all from silccore, silccrypt and silcmath + more stuff
+ from silcutil */
+ { 50, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
+ "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*,*sim*"
+ "*sockconn*,*net*" },
+
+ /* All from silcd/, all from silccore, silccrypt and silcmath + more stuff
+ from silcutil */
+ { 55, "*silcd*,*serverid*,silc_server_*,*idlist*,*silcconauth*,"
+ "*silcpacket*,*ske*,*silcrng*,*command*,*channel*,*private*,*notify*"
+ "*silcid*,*argument*,*pkcs*,*hmac*,*hash*,*cipher*,silc_math*,*sim*"
+ "*sockconn*,*net*,*log*,*config*" },
+
+ /* All */
+ { 90, "*" },
+
+ { -1, NULL },
+};
+
+static void silc_get_debug_level(int level)
+{
+ int i;
+
+ if (level < 0)
+ return;
+
+ for (i = 0; debug_levels[i].string; i++)
+ if (level <= debug_levels[i].level) {
+ silc_log_set_debug_string(debug_levels[i].string);
+ break;
+ }
+}
+#endif /* SILC_DEBUG */
+
+/* This function should not be called directly but through the appropriate
+ wrapper macro defined in server.h */
+
+void silc_server_stderr(SilcLogType type, char *message)
+{
+ if (silcd->background) {
+ char *p, *n = message;
+
+ /* remove newlines if we are going to output it to a log file */
+ for (p = n; *p; p++) {
+ if (*p != '\n') {
+ if (p != n)
+ *n = *p;
+ n++;
+ }
+ }
+ *n = 0;
+
+ /* the message is freed inside the logging function */
+ silc_log_output(type, message);
+ }
+ else {
+ fprintf(stderr, "%s\n", message);
+ silc_free(message);
+ }
+}
+
int main(int argc, char **argv)
{
- int ret;
- int opt, option_index;
- char *config_file = NULL;
- SilcServer silcd;
+ int ret, opt, option_index;
+ SilcBool foreground = FALSE;
+ SilcBool opt_create_keypair = FALSE;
+ char *silcd_config_file = NULL;
+ struct sigaction sa;
/* Parse command line arguments */
if (argc > 1) {
- while ((opt = getopt_long(argc, argv, "cf:hV",
+#ifdef HAVE_GETOPT_LONG
+ while ((opt = getopt_long(argc, argv, "f:p:d:D:xhFVC:",
long_opts, &option_index)) != EOF) {
- switch(opt)
- {
+#else
+ while ((opt = getopt(argc, argv, "f:p:d:D:xhFVC:")) != EOF) {
+#endif /* HAVE_GETOPT_LONG */
+ switch(opt) {
case 'h':
silc_usage();
break;
case 'V':
printf("SILCd Secure Internet Live Conferencing daemon, "
- "version %s\n", silc_version);
- printf("(c) 1997 - 2000 Pekka Riikonen "
- "<priikone@poseidon.pspt.fi>\n");
+ "version %s (base: SILC Toolkit %s)\n",
+ silc_dist_version, silc_version);
+ printf("(c) 1997 - 2007 Pekka Riikonen "
+ "<priikone@silcnet.org>\n");
exit(0);
break;
- case 'c':
- /* Print out example configuration file */
- silc_config_server_print();
- exit(0);
+ case 'd':
+#ifdef SILC_DEBUG
+ silc_log_debug(TRUE);
+ silc_log_quick(TRUE);
+ if (optarg)
+ silc_log_set_debug_string(optarg);
+ foreground = TRUE; /* implied */
+#else
+ fprintf(stderr,
+ "Run-time debugging is not enabled. To enable it recompile\n"
+ "the server with --enable-debug configuration option.\n");
+#endif
+ break;
+ case 'D':
+#ifdef SILC_DEBUG
+ silc_log_debug(TRUE);
+ silc_log_quick(TRUE);
+ if (optarg)
+ silc_get_debug_level(atoi(optarg));
+ foreground = TRUE; /* implied */
+#else
+ fprintf(stderr,
+ "Run-time debugging is not enabled. To enable it recompile\n"
+ "the server with --enable-debug configuration option.\n");
+#endif
+ break;
+ case 'x':
+#ifdef SILC_DEBUG
+ silc_log_debug(TRUE);
+ silc_log_debug_hexdump(TRUE);
+ silc_log_quick(TRUE);
+ foreground = TRUE; /* implied */
+#else
+ fprintf(stderr,
+ "Run-time debugging is not enabled. To enable it recompile\n"
+ "the server with --enable-debug configuration option.\n");
+#endif
break;
case 'f':
- config_file = strdup(optarg);
+ silcd_config_file = strdup(optarg);
+ break;
+ case 'F':
+ foreground = TRUE;
break;
+
+ /*
+ * Key management options
+ */
+ case 'C':
+ opt_create_keypair = TRUE;
+ if (optarg)
+ opt_keypath = strdup(optarg);
+ break;
+ case 10:
+ if (optarg)
+ opt_pkcs = strdup(optarg);
+ break;
+ case 11:
+ if (optarg)
+ opt_bits = atoi(optarg);
+ break;
+ case 12:
+ if (optarg)
+ opt_identifier = strdup(optarg);
+ break;
+
default:
silc_usage();
break;
- }
+ }
}
}
+ if (opt_create_keypair == TRUE) {
+ /* Create new key pair and exit */
+ char pubfile[256], prvfile[256];
+
+ memset(pubfile, 0, sizeof(pubfile));
+ memset(prvfile, 0, sizeof(prvfile));
+ snprintf(pubfile, sizeof(pubfile) - 1, "%s/silcd.pub", opt_keypath);
+ snprintf(prvfile, sizeof(prvfile) - 1, "%s/silcd.prv", opt_keypath);
+
+ silc_cipher_register_default();
+ silc_pkcs_register_default();
+ silc_hash_register_default();
+ silc_hmac_register_default();
+ if (!silc_create_key_pair(opt_pkcs, opt_bits, pubfile, prvfile,
+ opt_identifier, "", NULL, NULL, FALSE))
+ exit(1);
+ exit(0);
+ }
+
/* Default configuration file */
- if (!config_file)
- config_file = strdup(SILC_SERVER_CONFIG_FILE);
+ if (!silcd_config_file)
+ silcd_config_file = strdup(SILC_SERVER_CONFIG_FILE);
/* Create SILC Server object */
ret = silc_server_alloc(&silcd);
if (ret == FALSE)
goto fail;
+ /* Register default crypto stuff since we are going to need them
+ in the configuration file parsing phase */
+ silc_cipher_register_default();
+ silc_pkcs_register_default();
+ silc_hash_register_default();
+ silc_hmac_register_default();
+
/* Read configuration files */
- silcd->config = silc_config_server_alloc(config_file);
+ silcd->config = silc_server_config_alloc(silcd_config_file, silcd);
if (silcd->config == NULL)
goto fail;
+ silcd->config_file = silcd_config_file;
+
+ /* Unregister the default crypto stuff so that configuration takes effect */
+ silc_cipher_unregister_all();
+ /* silc_pkcs_unregister_all(); MUST NOT do this anymore; SilcPublicKey
+ parsed from config file references pointers so we cannot unregister */
+ silc_hash_unregister_all();
+ silc_hmac_unregister_all();
+
+ /* Check for another silcd running */
+ silc_server_checkpid(silcd);
/* Initialize the server */
- ret = silc_server_init(silcd);
- if (ret == FALSE)
+ if (silc_server_init(silcd) == FALSE)
goto fail;
-
+
+ /* Ignore some signals */
+ sa.sa_handler = SIG_IGN;
+ sa.sa_flags = 0;
+ sigemptyset(&sa.sa_mask);
+#if defined(SIGPIPE)
+ sigaction(SIGPIPE, &sa, NULL); /* Ignore broken pipes */
+#endif /* SIGPIPE*/
+#if defined(SIGXFSZ)
+ sigaction(SIGXFSZ, &sa, NULL); /* Ignore file limit exceeds */
+#endif /* SIGXFSZ */
+#if defined(SIGXCPU)
+ sigaction(SIGXCPU, &sa, NULL); /* Ignore CPU time limit exceeds */
+#endif /* SIGXCPU */
+
+ /* Handle specificly some other signals. */
+ silc_schedule_task_add_signal(silcd->schedule, SIGHUP, got_hup, NULL);
+ silc_schedule_task_add_signal(silcd->schedule, SIGTERM, stop_server, NULL);
+ silc_schedule_task_add_signal(silcd->schedule, SIGINT, stop_server, NULL);
+ silc_schedule_task_add_signal(silcd->schedule, SIGUSR1, dump_stats, NULL);
+
+ if (!foreground) {
+ /* Before running the server, fork to background. */
+ silc_server_daemonise(silcd);
+
+ /* If set, write pid to file */
+ if (silcd->config->server_info->pid_file) {
+ char buf[10], *pidfile = silcd->config->server_info->pid_file;
+ unlink(pidfile);
+ snprintf(buf, sizeof(buf) - 1, "%d\n", getpid());
+ silc_file_writefile(pidfile, buf, strlen(buf));
+ }
+
+ }
+ silc_server_drop_privs(silcd);
+
/* Run the server. When this returns the server has been stopped
and we will exit. */
silc_server_run(silcd);
-
- /* Stop the server. This probably has been done already but it
- doesn't hurt to do it here again. */
- silc_server_stop(silcd);
+
+ /* Free server */
+ silc_server_config_destroy(silcd->config);
silc_server_free(silcd);
-
+
+ /* Flush the logging system */
+ silc_log_flush_all();
+
+ silc_free(silcd_config_file);
+ silc_free(opt_identifier);
+ silc_free(opt_keypath);
exit(0);
+
fail:
+ silc_free(silcd_config_file);
+ silc_free(opt_identifier);
+ silc_free(opt_keypath);
exit(1);
}
projects / silc.git / blobdiff