1 extern FILE *replay_file;
3 unsigned long boot_time;
4 unsigned long burst_begin;
6 unsigned long burst_length;
7 struct log_type *MAIN_LOG;
12 char *services_config = "srvx.conf";
17 struct cManagerNode cManager;
19 struct policer_params *oper_policer_params, *luser_policer_params, *god_policer_params;
21 static const struct message_entry msgtab[] = {
22 { "MSG_NONE", "None" },
25 { "MSG_NEVER", "Never" },
26 { "MSG_SERVICE_IMMUNE", "$b%s$b may not be kicked, killed, banned, or deopped." },
27 { "MSG_SERVICE_PRIVILEGED", "$b%s$b is a privileged service." },
28 { "MSG_NOT_A_SERVICE", "$b%s$b is not a service bot." },
29 { "MSG_COMMAND_UNKNOWN", "$b%s$b is an unknown command." },
30 { "MSG_COMMAND_PRIVILEGED", "$b%s$b is a privileged command." },
31 { "MSG_COMMAND_DISABLED", "$b%s$b is a disabled command." },
32 { "MSG_SETTING_PRIVILEGED", "$b%s$b is a privileged setting." },
33 { "MSG_AUTHENTICATE", "You must first authenticate with $b$N$b." },
34 { "MSG_USER_AUTHENTICATE", "%s must first authenticate with $b$N$b." },
35 { "MSG_SET_EMAIL_ADDR", "You must first set your account's email address. (Contact network staff if you cannot auth to your account.)" },
36 { "MSG_HANDLE_UNKNOWN", "Account $b%s$b has not been registered." },
37 { "MSG_NICK_UNKNOWN", "User with nick $b%s$b does not exist." },
38 { "MSG_CHANNEL_UNKNOWN", "Channel with name $b%s$b does not exist." },
39 { "MSG_SERVER_UNKNOWN", "Server with name $b%s$b does not exist or is not linked." },
40 { "MSG_MODULE_UNKNOWN", "No module has been registered with name $b%s$b." },
41 { "MSG_INVALID_MODES", "$b%s$b is an invalid set of channel modes." },
42 { "MSG_INVALID_GLINE", "Invalid G-line '%s'." },
43 { "MSG_INVALID_DURATION", "Invalid time span '%s'." },
44 { "MSG_NOT_TARGET_NAME", "You must provide the name of a channel or user." },
45 { "MSG_NOT_CHANNEL_NAME", "You must provide a valid channel name." },
46 { "MSG_INVALID_CHANNEL", "You must provide the name of a channel that exists." },
47 { "MSG_CHANNEL_ABSENT", "You aren't currently in $b%s$b." },
48 { "MSG_CHANNEL_USER_ABSENT", "$b%s$b isn't currently in $b%s$b." },
49 { "MSG_MISSING_PARAMS", "$b%s$b requires more parameters." },
50 { "MSG_DEPRECATED_COMMAND", "The $b%s$b command has been deprecated, and will be removed in the future; please use $b%s$b instead." },
51 { "MSG_OPER_SUSPENDED", "Your $b$O$b access has been suspended." },
52 { "MSG_USER_OUTRANKED", "$b%s$b outranks you (command has no effect)." },
53 { "MSG_STUPID_ACCESS_CHANGE", "Please ask someone $belse$b to demote you." },
54 { "MSG_NO_SEARCH_ACCESS", "You do not have enough access to search based on $b%s$b." },
55 { "MSG_INVALID_CRITERIA", "$b%s$b is an invalid search criteria." },
56 { "MSG_MATCH_COUNT", "Found $b%u$b matches." },
57 { "MSG_NO_MATCHES", "Nothing matched the criteria of your search." },
58 { "MSG_TOPIC_UNKNOWN", "No help on that topic." },
59 { "MSG_INVALID_BINARY", "$b%s$b is an invalid binary value." },
60 { "MSG_INTERNAL_FAILURE", "Your command could not be processed due to an internal failure." },
61 { "MSG_DB_UNKNOWN", "I do not know of a database named %s." },
62 { "MSG_DB_IS_MONDO", "Database %s is in the \"mondo\" database and cannot be written separately." },
63 { "MSG_DB_WRITE_ERROR", "Error while writing database %s." },
64 { "MSG_DB_WROTE_DB", "Wrote database %s (in %lu.%06lu seconds)." },
65 { "MSG_DB_WROTE_ALL", "Wrote all databases (in %lu.%06lu seconds)." },
67 { "MSG_0_SECONDS", "0 seconds" },
68 { "MSG_YEAR", "year" },
69 { "MSG_YEARS", "years" },
70 { "MSG_WEEK", "week" },
71 { "MSG_WEEKS", "weeks" },
73 { "MSG_DAYS", "days" },
74 { "MSG_HOUR", "hour" },
75 { "MSG_HOURS", "hours" },
76 { "MSG_MINUTE", "minute" },
77 { "MSG_MINUTES", "minutes" },
78 { "MSG_SECOND", "second" },
79 { "MSG_SECONDS", "seconds" },
83 void uplink_select(char *name);
86 uplink_insert(const char *key, void *data, UNUSED_ARG(void *extra))
88 struct uplinkNode *uplink = malloc(sizeof(struct uplinkNode));
89 struct record_data *rd = data;
90 struct addrinfo hints, *ai;
99 uplink->name = (char *)key;
100 uplink->host = database_get_data(rd->d.object, "address", RECDB_QSTRING);
102 str = database_get_data(rd->d.object, "port", RECDB_QSTRING);
103 uplink->port = str ? atoi(str) : 6667;
104 uplink->password = database_get_data(rd->d.object, "password", RECDB_QSTRING);
105 uplink->their_password = database_get_data(rd->d.object, "uplink_password", RECDB_QSTRING);
107 str = database_get_data(rd->d.object, "enabled", RECDB_QSTRING);
110 enabled = atoi(str) ? 1 : 0;
113 cManager.enabled += enabled;
115 str = database_get_data(rd->d.object, "max_tries", RECDB_QSTRING);
116 uplink->max_tries = str ? atoi(str) : 3;
117 uplink->flags = enabled ? 0 : UPLINK_UNAVAILABLE;
118 uplink->state = DISCONNECTED;
121 str = database_get_data(rd->d.object, "bind_address", RECDB_QSTRING);
122 memset(&hints, 0, sizeof(hints));
123 hints.ai_flags = AI_PASSIVE;
124 hints.ai_socktype = SOCK_STREAM;
125 if (!getaddrinfo(str, NULL, &hints, &ai))
127 uplink->bind_addr_len = ai->ai_addrlen;
128 uplink->bind_addr = calloc(1, ai->ai_addrlen);
129 memcpy(uplink->bind_addr, ai->ai_addr, ai->ai_addrlen);
134 uplink->bind_addr = NULL;
135 uplink->bind_addr_len = 0;
138 uplink->next = cManager.uplinks;
143 cManager.uplinks->prev = uplink;
146 cManager.uplinks = uplink;
148 /* If the configuration is being reloaded, set the current uplink
149 to the reloaded equivalent, if possible. */
152 && !irccasecmp(uplink->host, cManager.uplink->host)
153 && uplink->port == cManager.uplink->port)
155 uplink->state = cManager.uplink->state;
156 uplink->tries = cManager.uplink->tries;
157 cManager.uplink = uplink;
168 struct uplinkNode *oldUplinks = NULL, *oldUplink = NULL;
170 /* Save the old uplinks, we'll remove them later. */
171 oldUplink = cManager.uplink;
172 oldUplinks = cManager.uplinks;
174 cycles = conf_get_data("server/max_cycles", RECDB_QSTRING);
175 max_cycles = cycles ? atoi(cycles) : 30;
176 if(!(conf_node = conf_get_data("uplinks", RECDB_OBJECT)))
178 log_module(MAIN_LOG, LOG_FATAL, "No uplinks configured; giving up.");
182 cManager.enabled = 0;
183 dict_foreach(conf_node, uplink_insert, NULL);
185 /* Remove the old uplinks, if any. It doesn't matter if oldUplink (below)
186 is a reference to one of these, because it won't get dereferenced. */
189 struct uplinkNode *uplink, *next;
191 oldUplinks->prev->next = NULL;
193 for(uplink = oldUplinks; uplink; uplink = next)
196 free(uplink->bind_addr);
201 /* If the uplink hasn't changed, it's either NULL or pointing at
202 an uplink that was just deleted, select a new one. */
203 if(cManager.uplink == oldUplink)
207 irc_squit(self, "Uplinks updated; selecting new uplink.", NULL);
210 cManager.uplink = NULL;
216 uplink_find(char *name)
218 struct uplinkNode *uplink;
220 if(!cManager.enabled || !cManager.uplinks)
225 for(uplink = cManager.uplinks; uplink; uplink = uplink->next)
227 if(!strcasecmp(uplink->name, name))
237 uplink_select(char *name)
239 struct uplinkNode *start, *uplink, *next;
242 if(!cManager.enabled || !cManager.uplinks)
244 log_module(MAIN_LOG, LOG_FATAL, "No uplinks enabled; giving up.");
250 start = cManager.uplinks;
254 start = cManager.uplink->next;
257 start = cManager.uplinks;
262 for(uplink = start; uplink; uplink = next)
264 next = uplink->next ? uplink->next : cManager.uplinks;
272 /* We've wrapped around the list. */
275 sleep((cManager.cycles >> 1) * 5);
278 if(max_cycles && (cManager.cycles >= max_cycles))
280 log_module(MAIN_LOG, LOG_ERROR, "Maximum uplink list cycles exceeded; giving up.");
284 /* Give the uplink currently in 'uplink' consideration,
285 and if not selected, break on the next iteration. */
289 /* Skip bad uplinks. */
290 if(uplink->flags & UPLINK_UNAVAILABLE)
295 if(name && irccasecmp(uplink->name, name))
297 /* If we were told to connect to a specific uplink, don't stop
303 /* It would be possible to track uplink health through a variety
304 of statistics and only break on the best uplink. For now, break
305 on the first available one.
313 /* We are shit outta luck if every single uplink has been passed
314 over. Use the current uplink if possible. */
315 if(!cManager.uplink || cManager.uplink->flags & UPLINK_UNAVAILABLE)
317 log_module(MAIN_LOG, LOG_ERROR, "All available uplinks exhausted; giving up.");
324 cManager.uplink = uplink;
330 struct uplinkNode *uplink = cManager.uplink;
332 if(uplink->state != DISCONNECTED)
337 if(uplink->flags & UPLINK_UNAVAILABLE)
340 uplink = cManager.uplink;
345 /* This delay could scale with the number of tries. */
349 if(!create_socket_client(uplink))
351 if(uplink->max_tries && (uplink->tries >= uplink->max_tries))
353 /* This is a bad uplink, move on. */
354 uplink->flags |= UPLINK_UNAVAILABLE;
362 uplink->state = AUTHENTICATING;
363 irc_introduce(uplink->password);
372 /* This function is called when a ping is received. Take it as
373 a sign of link health and reset the connection manager
379 static exit_func_t *ef_list;
380 static unsigned int ef_size = 0, ef_used = 0;
382 void reg_exit_func(exit_func_t handler)
384 if (ef_used == ef_size) {
387 ef_list = realloc(ef_list, ef_size*sizeof(exit_func_t));
390 ef_list = malloc(ef_size*sizeof(exit_func_t));
393 ef_list[ef_used++] = handler;
396 void call_exit_funcs(void)
398 unsigned int n = ef_used;
400 /* Call them in reverse order because we initialize logs, then
401 * nickserv, then chanserv, etc., and they register their exit
402 * funcs in that order, and there are some dependencies (for
403 * example, ChanServ requires NickServ to not have cleaned up).
410 ef_used = ef_size = 0;
414 set_policer_param(const char *param, void *data, void *extra)
416 struct record_data *rd = data;
417 const char *str = GET_RECORD_QSTRING(rd);
419 policer_params_set(extra, param, str);
430 info = conf_get_data("services/global/nick", RECDB_QSTRING);
431 if (info && (info[0] == '.'))
435 info = conf_get_data("services/nickserv/nick", RECDB_QSTRING);
436 if (info && (info[0] == '.'))
440 info = conf_get_data("services/chanserv/nick", RECDB_QSTRING);
441 if (info && (info[0] == '.'))
445 info = conf_get_data("services/spamserv/nick", RECDB_QSTRING);
446 if (info && (info[0] == '.'))
450 god_policer_params = policer_params_new();
451 if ((dict = conf_get_data("policers/commands-god", RECDB_OBJECT))) {
452 dict_foreach(dict, set_policer_param, god_policer_params);
454 policer_params_set(god_policer_params, "size", "30");
455 policer_params_set(god_policer_params, "drain-rate", "1");
457 oper_policer_params = policer_params_new();
458 if ((dict = conf_get_data("policers/commands-oper", RECDB_OBJECT))) {
459 dict_foreach(dict, set_policer_param, oper_policer_params);
461 policer_params_set(oper_policer_params, "size", "10");
462 policer_params_set(oper_policer_params, "drain-rate", "1");
464 luser_policer_params = policer_params_new();
465 if ((dict = conf_get_data("policers/commands-luser", RECDB_OBJECT))) {
466 dict_foreach(dict, set_policer_param, luser_policer_params);
468 policer_params_set(luser_policer_params, "size", "5");
469 policer_params_set(luser_policer_params, "drain-rate", "0.50");
472 info = conf_get_data("services/opserv/nick", RECDB_QSTRING);
473 if (info && (info[0] == '.'))
478 #ifdef HAVE_SYS_RESOURCE_H
481 set_item_rlimit(const char *name, void *data, void *extra)
485 struct record_data *rd = data;
489 rsrc = (long)dict_find(extra, name, &found);
491 log_module(MAIN_LOG, LOG_ERROR, "Invalid rlimit \"%s\" in rlimits section.", name);
494 if (!(str = GET_RECORD_QSTRING(rd))) {
495 log_module(MAIN_LOG, LOG_ERROR, "Missing or invalid parameter type for rlimit \"%s\".", name);
498 if (getrlimit(rsrc, &rlim) < 0) {
499 log_module(MAIN_LOG, LOG_ERROR, "Couldn't get rlimit \"%s\": errno %d: %s", name, errno, strerror(errno));
502 rlim.rlim_cur = ParseVolume(str);
503 if (setrlimit(rsrc, &rlim) < 0) {
504 log_module(MAIN_LOG, LOG_ERROR, "Couldn't set rlimit \"%s\": errno %d: %s", name, errno, strerror(errno));
515 dict_insert(values, "data", (void*)RLIMIT_DATA);
516 dict_insert(values, "stack", (void*)RLIMIT_STACK);
518 dict_insert(values, "vmem", (void*)RLIMIT_VMEM);
521 dict_insert(values, "vmem", (void*)RLIMIT_AS);
524 if ((dict = conf_get_data("rlimits", RECDB_OBJECT))) {
525 dict_foreach(dict, set_item_rlimit, values);
540 usage(char *exe_name)
542 /* We can assume we have getopt_long(). */
543 printf("Usage: %s [-c config] [-r log] [-d] [-f] [-v|-h]\n"
544 " -c, --config selects a different configuration file.\n"
545 " -d, --debug enables debug mode.\n"
546 " -f, --foreground run srvx in the foreground.\n"
547 " -h, --help prints this usage message.\n"
548 " -k, --check checks the configuration file's syntax.\n"
549 " -r, --replay replay a log file (for debugging).\n"
550 " -v, --version prints this program's version.\n"
557 printf(" --------------------------------------------------\n"
558 " - "PACKAGE_STRING" ("CODENAME"), Built: " __DATE__ ", " __TIME__".\n"
559 " - Copyright (C) 2000 - 2007, srvx Development Team\n"
560 " - Version tag %s\n"
561 " --------------------------------------------------\n",
569 "This program is free software; you can redistribute it and/or modify\n"
570 "it under the terms of the GNU General Public License as published by\n"
571 "the Free Software Foundation; either version 2 of the License, or\n"
572 "(at your option) any later version.\n"
574 "This program is distributed in the hope that it will be useful,\n"
575 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
576 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
577 "GNU General Public License for more details.\n"
579 "You should have received a copy of the GNU General Public License\n"
580 "along with this program; if not, write to the Free Software\n"
581 "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n\n");
584 void main_shutdown(void)
586 struct uplinkNode *ul, *ul_next;
588 for (ul = cManager.uplinks; ul; ul = ul_next) {
595 #if defined(PID_FILE)
598 policer_params_delete(god_policer_params);
599 policer_params_delete(oper_policer_params);
600 policer_params_delete(luser_policer_params);