+++ /dev/null
-/* event_neonspam_join.c - NeonServ v5.3
- * Copyright (C) 2011-2012 Philipp Kreil (pk910)
- *
- * 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 3 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-static USERAUTH_CALLBACK(neonspam_event_join_nick_lookup);
-static void neonspam_event_join_punish(struct ClientSocket *client, struct ChanUser *chanuser, struct NeonSpamSettings *settings, int action);
-static int neonspam_joinfloodscan(struct NeonSpamSettings *settings, struct ChanUser *chanuser);
-
-struct neonspam_event_join_cache {
- struct ClientSocket *client;
- struct ChanUser *chanuser;
- struct NeonSpamSettings *settings;
- int action;
-};
-
-static void neonspam_event_join(struct ChanUser *chanuser) {
- if(chanuser->user->flags & USERFLAG_WAS_REGISTRING) return;
- struct ClientSocket *client = getChannelBot(chanuser->chan, BOTID);
- if(!client) return; //we can't "see" this event
- if(chanuser->user == client->user) {
- requestOp(client->user, chanuser->chan);
- return;
- }
- if(chanuser->user->flags & USERFLAG_ISBOT) return;
- loadNeonSpamSettings(chanuser->chan);
- struct NeonSpamSettings *settings = chanuser->chan->spam_settings;
- if(!settings || !(settings->flags & SPAMSETTINGS_JOINSCAN)) return;
- if(settings->exceptlevel[SPAMSETTINGS_JOINEXCINDEX] == 0) return;
- int result = neonspam_joinfloodscan(settings, chanuser);
- if(result != SPAMSERV_CHECK_IGNORE) {
- //whois the user to check against exceptlevel
- if((chanuser->user->flags & USERFLAG_ISAUTHED) || settings->exceptlevel[SPAMSETTINGS_JOINEXCINDEX] == 501) {
- neonspam_event_join_punish(client, chanuser, settings, result);
- } else {
- struct neonspam_event_join_cache *cache = malloc(sizeof(*cache));
- if (!cache) {
- perror("malloc() failed");
- return;
- }
- cache->client = client;
- cache->chanuser = chanuser;
- cache->settings = settings;
- cache->action = result;
- get_userauth(chanuser->user, neonspam_event_join_nick_lookup, cache);
- }
- }
-}
-
-static USERAUTH_CALLBACK(neonspam_event_join_nick_lookup) {
- struct neonspam_event_join_cache *cache = data;
- neonspam_event_join_punish(cache->client, cache->chanuser, cache->settings, cache->action);
- free(cache);
-}
-
-static void neonspam_event_join_punish(struct ClientSocket *client, struct ChanUser *chanuser, struct NeonSpamSettings *settings, int action) {
- int uaccess = 0;
- if(chanuser->user->flags & USERFLAG_ISAUTHED)
- uaccess = getChannelAccess(chanuser->user, chanuser->chan);
- if(uaccess >= settings->exceptlevel[SPAMSETTINGS_JOINEXCINDEX]) return;
- //scanops / scanvoiced
- MYSQL_RES *res;
- MYSQL_ROW row, defaults = NULL;
- loadChannelSettings(chanuser->chan);
- printf_mysql_query("SELECT `channel_flood_reaction`, `channel_flood_reaction_duration`, `channel_getop`, `channel_getvoice` FROM `channels` WHERE `channel_id` = '%d'", chanuser->chan->channel_id);
- res = mysql_use();
- row = mysql_fetch_row(res);
- if(!row[0] || !row[1] || !row[2] || !row[3]) {
- printf_mysql_query("SELECT `channel_flood_reaction`, `channel_flood_reaction_duration`, `channel_getop`, `channel_getvoice` FROM `channels` WHERE `channel_name` = 'defaults'");
- res = mysql_use();
- defaults = mysql_fetch_row(res);
- }
- if(!(settings->flags & SPAMSETTINGS_JOINSCAN_OPS) && uaccess >= atoi((row[2] ? row[2] : defaults[2]))) return;
- if(!(settings->flags & SPAMSETTINGS_JOINSCAN_VOICE) && uaccess >= atoi((row[3] ? row[3] : defaults[3]))) return;
- char reason[MAXLEN];
- sprintf(reason, SPAMSERV_MSG_WARNING, SPAMSERV_MSG_JOINFLOOD);
- if(action == SPAMSERV_CHECK_WARN) {
- reply(client, chanuser->user, "%s", reason);
- } else if(action == SPAMSERV_CHECK_PUNISH) {
- int duration = atoi((row[1] ? row[1] : defaults[1]));
- char banmaskBuf[NICKLEN+USERLEN+HOSTLEN+3];
- char *banmask = NULL;
- switch (atoi((row[0] ? row[0] : defaults[0]))) {
- case 2: //TIMEBAN
- banmask = generate_banmask(chanuser->user, banmaskBuf);
- printf_mysql_query("INSERT INTO `bans` (`ban_channel`, `ban_mask`, `ban_triggered`, `ban_timeout`, `ban_owner`, `ban_reason`) VALUES ('%d', '%s', UNIX_TIMESTAMP(), '%lu', '%d', '%s')", chanuser->chan->channel_id, escape_string(banmask), (unsigned long) (duration ? (time(0) + duration) : 0), 0, escape_string(reason));
- if(duration) {
- int banid = (int) mysql_insert_id(get_mysql_conn());
- char nameBuf[MAXLEN];
- char banidBuf[20];
- sprintf(nameBuf, "ban_%d", banid);
- sprintf(banidBuf, "%d", banid);
- timeq_add_name(nameBuf, duration, channel_ban_timeout, strdup(banidBuf));
- }
- case 1: //KICKBAN
- if(!banmask)
- banmask = generate_banmask(chanuser->user, banmaskBuf);
- putsock(client, "MODE %s +b %s", chanuser->chan->name, banmask);
- case 0: //KICK
- putsock(client, "KICK %s %s :%s", chanuser->chan->name, chanuser->user->nick, reason);
- break;
- }
- }
-}
-
-static int neonspam_update_join_penalty(struct NeonSpamSettings *settings, struct NeonSpamJoinNode *joinnode, int addjoin) {
- int last_update = time(0) - joinnode->last_penalty_update;
- if(last_update) {
- if(last_update < MAX_JOIN_TIME && joinnode->joinpenalty) {
- joinnode->joinpenalty -= last_update * (MAX_JOIN_TIME / settings->sensibility_time[SPAMSETTINGS_JOINSENINDEX]);
- if(joinnode->joinpenalty < 0)
- joinnode->joinpenalty = 0;
- } else
- joinnode->joinpenalty = 0;
- joinnode->last_penalty_update = time(0);
- }
- joinnode->joinpenalty += MAX_JOIN_TIME * addjoin;
- return joinnode->joinpenalty / MAX_JOIN_TIME + ((joinnode->joinpenalty % MAX_JOIN_TIME) ? 1 : 0);
-}
-
-static int neonspam_joinfloodscan(struct NeonSpamSettings *settings, struct ChanUser *chanuser) {
- if(!chanuser->spamnode)
- createSpamNode(chanuser);
- int joins_pending = neonspam_update_join_penalty(settings, getNeonSpamJoinNode(chanuser), 1);
- if(joins_pending == settings->sensibility_amount[SPAMSETTINGS_JOINSENINDEX])
- return SPAMSERV_CHECK_WARN;
- else if(joins_pending > settings->sensibility_amount[SPAMSETTINGS_JOINSENINDEX])
- return SPAMSERV_CHECK_PUNISH;
- else
- return SPAMSERV_CHECK_IGNORE;
-}
-
-
projects / NeonServV5.git / blobdiff