-#ifndef SIGCHLD
-#define SIGCHLD SIGCLD
-#endif
-
-extern FILE *replay_file;
-
-time_t boot_time, burst_begin, now;
-unsigned long burst_length;
-struct log_type *MAIN_LOG;
-
-int quit_services, max_cycles;
-
-char *services_config = "srvx.conf";
-
-char **services_argv;
-int services_argc;
-
-struct cManagerNode cManager;
-
-struct policer_params *oper_policer_params, *luser_policer_params, *god_policer_params;
-
-static const struct message_entry msgtab[] = {
- { "MSG_NONE", "None" },
- { "MSG_ON", "On" },
- { "MSG_OFF", "Off" },
- { "MSG_NEVER", "Never" },
- { "MSG_SERVICE_IMMUNE", "$b%s$b may not be kicked, killed, banned, or deopped." },
- { "MSG_SERVICE_PRIVILEGED", "$b%s$b is a privileged service." },
- { "MSG_NOT_A_SERVICE", "$b%s$b is not a service bot." },
- { "MSG_COMMAND_UNKNOWN", "$b%s$b is an unknown command." },
- { "MSG_COMMAND_PRIVILEGED", "$b%s$b is a privileged command." },
- { "MSG_COMMAND_DISABLED", "$b%s$b is a disabled command." },
- { "MSG_SETTING_PRIVILEGED", "$b%s$b is a privileged setting." },
- { "MSG_AUTHENTICATE", "You must first authenticate with $b$N$b." },
- { "MSG_USER_AUTHENTICATE", "%s must first authenticate with $b$N$b." },
- { "MSG_SET_EMAIL_ADDR", "You must first set your account's email address. (Contact network staff if you cannot auth to your account.)" },
- { "MSG_HANDLE_UNKNOWN", "Account $b%s$b has not been registered." },
- { "MSG_NICK_UNKNOWN", "User with nick $b%s$b does not exist." },
- { "MSG_CHANNEL_UNKNOWN", "Channel with name $b%s$b does not exist." },
- { "MSG_SERVER_UNKNOWN", "Server with name $b%s$b does not exist or is not linked." },
- { "MSG_MODULE_UNKNOWN", "No module has been registered with name $b%s$b." },
- { "MSG_INVALID_MODES", "$b%s$b is an invalid set of channel modes." },
- { "MSG_INVALID_GLINE", "Invalid G-line '%s'." },
- { "MSG_INVALID_DURATION", "Invalid time span '%s'." },
- { "MSG_NOT_TARGET_NAME", "You must provide the name of a channel or user." },
- { "MSG_NOT_CHANNEL_NAME", "You must provide a valid channel name." },
- { "MSG_INVALID_CHANNEL", "You must provide the name of a channel that exists." },
- { "MSG_CHANNEL_ABSENT", "You aren't currently in $b%s$b." },
- { "MSG_CHANNEL_USER_ABSENT", "$b%s$b isn't currently in $b%s$b." },
- { "MSG_MISSING_PARAMS", "$b%s$b requires more parameters." },
- { "MSG_DEPRECATED_COMMAND", "The $b%s$b command has been deprecated, and will be removed in the future; please use $b%s$b instead." },
- { "MSG_OPER_SUSPENDED", "Your $b$O$b access has been suspended." },
- { "MSG_USER_OUTRANKED", "$b%s$b outranks you (command has no effect)." },
- { "MSG_STUPID_ACCESS_CHANGE", "Please ask someone $belse$b to demote you." },
- { "MSG_NO_SEARCH_ACCESS", "You do not have enough access to search based on $b%s$b." },
- { "MSG_INVALID_CRITERIA", "$b%s$b is an invalid search criteria." },
- { "MSG_MATCH_COUNT", "Found $b%u$b matches." },
- { "MSG_NO_MATCHES", "Nothing matched the criteria of your search." },
- { "MSG_TOPIC_UNKNOWN", "No help on that topic." },
- { "MSG_INVALID_BINARY", "$b%s$b is an invalid binary value." },
- { "MSG_INTERNAL_FAILURE", "Your command could not be processed due to an internal failure." },
- { "MSG_DB_UNKNOWN", "I do not know of a database named %s." },
- { "MSG_DB_IS_MONDO", "Database %s is in the \"mondo\" database and cannot be written separately." },
- { "MSG_DB_WRITE_ERROR", "Error while writing database %s." },
- { "MSG_DB_WROTE_DB", "Wrote database %s (in "FMT_TIME_T".%06lu seconds)." },
- { "MSG_DB_WROTE_ALL", "Wrote all databases (in "FMT_TIME_T".%06lu seconds)." },
- { "MSG_AND", "and" },
- { "MSG_0_SECONDS", "0 seconds" },
- { "MSG_YEAR", "year" },
- { "MSG_YEARS", "years" },
- { "MSG_WEEK", "week" },
- { "MSG_WEEKS", "weeks" },
- { "MSG_DAY", "day" },
- { "MSG_DAYS", "days" },
- { "MSG_HOUR", "hour" },
- { "MSG_HOURS", "hours" },
- { "MSG_MINUTE", "minute" },
- { "MSG_MINUTES", "minutes" },
- { "MSG_SECOND", "second" },
- { "MSG_SECONDS", "seconds" },
- { NULL, NULL }
-};
-
-void uplink_select(char *name);
-
-static int
-uplink_insert(const char *key, void *data, UNUSED_ARG(void *extra))
-{
- struct uplinkNode *uplink = malloc(sizeof(struct uplinkNode));
- struct record_data *rd = data;
- int enabled = 1;
- char *str;
- struct sockaddr_in *sin;
- unsigned long addr;
-
- if(!uplink)
- {
- return 0;
- }
-
- uplink->name = (char *)key;
- uplink->host = database_get_data(rd->d.object, "address", RECDB_QSTRING);
-
- str = database_get_data(rd->d.object, "port", RECDB_QSTRING);
- uplink->port = str ? atoi(str) : 6667;
- uplink->password = database_get_data(rd->d.object, "password", RECDB_QSTRING);
- uplink->their_password = database_get_data(rd->d.object, "uplink_password", RECDB_QSTRING);
-
- str = database_get_data(rd->d.object, "enabled", RECDB_QSTRING);
- if(str)
- {
- enabled = atoi(str) ? 1 : 0;
- }
-
- cManager.enabled += enabled;
-
- str = database_get_data(rd->d.object, "max_tries", RECDB_QSTRING);
- uplink->max_tries = str ? atoi(str) : 3;
- uplink->flags = enabled ? 0 : UPLINK_UNAVAILABLE;
- uplink->state = DISCONNECTED;
- uplink->tries = 0;
-
- str = database_get_data(rd->d.object, "bind_address", RECDB_QSTRING);
- uplink->bind_addr_len = sizeof(*sin);
- if (str && getipbyname(str, &addr))
- {
- sin = calloc(1, uplink->bind_addr_len);
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = addr;
- uplink->bind_addr = sin;
- }
- else
- {
- uplink->bind_addr = NULL;
- uplink->bind_addr_len = 0;
- }
-
- uplink->next = cManager.uplinks;
- uplink->prev = NULL;
-
- if(cManager.uplinks)
- {
- cManager.uplinks->prev = uplink;
- }
-
- cManager.uplinks = uplink;
-
- /* If the configuration is being reloaded, set the current uplink
- to the reloaded equivalent, if possible. */
- if(cManager.uplink
- && enabled
- && !irccasecmp(uplink->host, cManager.uplink->host)
- && uplink->port == cManager.uplink->port)
- {
- uplink->state = cManager.uplink->state;
- uplink->tries = cManager.uplink->tries;
- cManager.uplink = uplink;
- }
-
- return 0;
-}
-
-void
-uplink_compile(void)
-{
- const char *cycles;
- dict_t conf_node;
- struct uplinkNode *oldUplinks = NULL, *oldUplink = NULL;
-
- /* Save the old uplinks, we'll remove them later. */
- oldUplink = cManager.uplink;
- oldUplinks = cManager.uplinks;
-
- cycles = conf_get_data("server/max_cycles", RECDB_QSTRING);
- max_cycles = cycles ? atoi(cycles) : 30;
- if(!(conf_node = conf_get_data("uplinks", RECDB_OBJECT)))
- {
- log_module(MAIN_LOG, LOG_FATAL, "No uplinks configured; giving up.");
- exit(1);
- }
-
- cManager.enabled = 0;
- dict_foreach(conf_node, uplink_insert, NULL);
-
- /* Remove the old uplinks, if any. It doesn't matter if oldUplink (below)
- is a reference to one of these, because it won't get dereferenced. */
- if(oldUplinks)
- {
- struct uplinkNode *uplink, *next;
-
- oldUplinks->prev->next = NULL;
-
- for(uplink = oldUplinks; uplink; uplink = next)
- {
- next = uplink->next;
- free(uplink->bind_addr);
- free(uplink);
- }
- }
-
- /* If the uplink hasn't changed, it's either NULL or pointing at
- an uplink that was just deleted, select a new one. */
- if(cManager.uplink == oldUplink)
- {
- if(oldUplink)
- {
- irc_squit(self, "Uplinks updated; selecting new uplink.", NULL);
- }
-
- cManager.uplink = NULL;
- uplink_select(NULL);
- }
-}
-
-struct uplinkNode *
-uplink_find(char *name)
-{
- struct uplinkNode *uplink;
-
- if(!cManager.enabled || !cManager.uplinks)
- {
- return NULL;
- }
-
- for(uplink = cManager.uplinks; uplink; uplink = uplink->next)
- {
- if(!strcasecmp(uplink->name, name))
- {
- return uplink;
- }
- }
-
- return NULL;
-}
-
-void
-uplink_select(char *name)
-{
- struct uplinkNode *start, *uplink, *next;
- int stop;
-
- if(!cManager.enabled || !cManager.uplinks)
- {
- log_module(MAIN_LOG, LOG_FATAL, "No uplinks enabled; giving up.");
- exit(1);
- }
-
- if(!cManager.uplink)
- {
- start = cManager.uplinks;
- }
- else
- {
- start = cManager.uplink->next;
- if(!start)
- {
- start = cManager.uplinks;
- }
- }
-
- stop = 0;
- for(uplink = start; uplink; uplink = next)
- {
- next = uplink->next ? uplink->next : cManager.uplinks;
-
- if(stop)
- {
- uplink = NULL;
- break;
- }
-
- /* We've wrapped around the list. */
- if(next == start)
- {
- sleep((cManager.cycles >> 1) * 5);
- cManager.cycles++;
-
- if(max_cycles && (cManager.cycles >= max_cycles))
- {
- log_module(MAIN_LOG, LOG_FATAL, "Maximum uplink list cycles exceeded; giving up.");
- exit(1);
- }
-
- /* Give the uplink currently in 'uplink' consideration,
- and if not selected, break on the next iteration. */
- stop = 1;
- }
-
- /* Skip bad uplinks. */
- if(uplink->flags & UPLINK_UNAVAILABLE)
- {
- continue;
- }
-
- if(name && irccasecmp(uplink->name, name))
- {
- /* If we were told to connect to a specific uplink, don't stop
- until we find it.
- */
- continue;
- }
-
- /* It would be possible to track uplink health through a variety
- of statistics and only break on the best uplink. For now, break
- on the first available one.
- */
-
- break;
- }
-
- if(!uplink)
- {
- /* We are shit outta luck if every single uplink has been passed
- over. Use the current uplink if possible. */
- if(!cManager.uplink || cManager.uplink->flags & UPLINK_UNAVAILABLE)
- {
- log_module(MAIN_LOG, LOG_FATAL, "All available uplinks exhausted; giving up.");
- exit(1);
- }
-
- return;
- }
-
- cManager.uplink = uplink;
-}
-
-int
-uplink_connect(void)
-{
- struct uplinkNode *uplink = cManager.uplink;
-
- if(uplink->state != DISCONNECTED)
- {
- return 0;
- }
-
- if(uplink->flags & UPLINK_UNAVAILABLE)
- {
- uplink_select(NULL);
- uplink = cManager.uplink;
- }
-
- if(uplink->tries)
- {
- /* This delay could scale with the number of tries. */
- sleep(2);
- }
-
- if(!create_socket_client(uplink))
- {
- if(uplink->max_tries && (uplink->tries >= uplink->max_tries))
- {
- /* This is a bad uplink, move on. */
- uplink->flags |= UPLINK_UNAVAILABLE;
- uplink_select(NULL);
- }
-
- return 0;
- }
- else
- {
- uplink->state = AUTHENTICATING;
- irc_introduce(uplink->password);
- }
-
- return 1;
-}
-
-void
-received_ping(void)
-{
- /* This function is called when a ping is received. Take it as
- a sign of link health and reset the connection manager
- information. */
-
- cManager.cycles = 0;
-}