1 /* IRCParser.c - NeonServ v5.2
2 * Copyright (C) 2011 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #include "IRCParser.h"
22 #include "IRCEvents.h"
23 #include "ClientSocket.h"
24 #include "WHOHandler.h"
30 struct irc_cmd *irc_commands = NULL;
31 static struct UserNode *registering_users = NULL;
32 int statistics_privmsg = 0;
33 int statistics_network_users = 0;
34 int statistics_network_channels = 0;
36 static void parse_line(struct ClientSocket *client, char *line);
37 static void register_irc_function(char *command, irc_cmd_t *func);
38 static void parse_raw(struct ClientSocket *client, char *from, char *cmd, char **argv, int argc);
40 int parse_lines(struct ClientSocket *client, char *lines, int len) {
43 for(i = 0; i < len; i++) {
44 if(lines[i] == '\r') //just zero it out :D
46 if(lines[i] == '\n') {
48 parse_line(client, line);
56 static void parse_line(struct ClientSocket *client, char *line) {
58 char *argv[MAXNUMPARAMS];
59 printf("[recv %lu] %s\n", (unsigned long) strlen(line), line);
69 //the rest is a single parameter
70 argv[argc++] = line + 1;
74 if (argc >= MAXNUMPARAMS)
76 while (*line != ' ' && *line)
80 parse_raw(client, argv[0], argv[1], argv+2, argc-2);
84 static void register_irc_function(char *command, irc_cmd_t *func) {
85 struct irc_cmd *irc_cmd = malloc(sizeof(*irc_cmd));
88 perror("malloc() failed");
91 irc_cmd->cmd = command;
93 irc_cmd->next = irc_commands;
94 irc_commands = irc_cmd;
97 static void parse_raw(struct ClientSocket *client, char *from, char *cmd, char **argv, int argc) {
98 struct irc_cmd *irc_cmd;
100 for(irc_cmd = irc_commands; irc_cmd; irc_cmd = irc_cmd->next) {
101 if(!stricmp(irc_cmd->cmd, cmd)) {
102 ret = irc_cmd->func(client, from, argv, argc);
107 event_raw(client, from, cmd, argv, argc);
109 fprintf(stderr,"PARSE ERROR: %s\n", cmd);
113 static USERLIST_CALLBACK(got_channel_userlist) {
114 struct ChanUser *chanuser = data;
115 event_join(chanuser);
118 static IRC_CMD(raw_001) {
119 struct UserNode *user = getUserByNick(argv[0]);
121 user = addUser(argv[0]);
123 client->user->flags |= USERFLAG_ISBOT;
124 client->flags |= SOCKET_FLAG_READY;
125 event_bot_ready(client);
129 static int is_firstBotSeeUser(struct ClientSocket *client, struct UserNode *user) {
130 struct ClientSocket *bot, *pref_bot = NULL, *unpref_bot = NULL;
131 struct ChanUser *chanuser;
133 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
135 for(chanuser = getUserChannels(bot->user, NULL); chanuser; chanuser = getUserChannels(bot->user, chanuser)) {
136 if(isUserOnChan(user, chanuser->chan)) {
142 if(bot->flags & SOCKET_FLAG_PREFERRED) {
148 bot = (pref_bot ? pref_bot : unpref_bot);
155 static int is_onlyBotSeeUser(struct ClientSocket *client, struct UserNode *user) {
156 struct ClientSocket *bot;
157 struct ChanUser *chanuser;
158 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
159 if(bot == client) continue;
160 for(chanuser = getUserChannels(bot->user, NULL); chanuser; chanuser = getUserChannels(bot->user, chanuser)) {
161 if(isUserOnChan(user, chanuser->chan)) {
169 static IRC_CMD(raw_join) {
170 if(from == NULL || argc < 1) return 0;
171 struct UserNode *user = getUserByMask(from);
172 struct ChanNode *chan = getChanByName(argv[0]);
173 if(!chan && !(user->flags & USERFLAG_ISBOT)) return 0;
174 if(chan && chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
176 user = addUserMask(from);
178 struct UserNode *registering, *last_registering = NULL, *next_registering;
179 int noEvent = 0, wasRegistering = 0;
180 for(registering = registering_users; registering; registering = next_registering) {
181 next_registering = registering->next;
182 if(!strcmp(registering->nick, user->nick)) {
183 noEvent = event_registered(registering, user);
186 last_registering->next = registering->next;
188 registering_users = registering->next;
189 delUser(registering, 1);
190 } else if(time(0) - registering->created > 2) {
192 last_registering->next = registering->next;
194 registering_users = registering->next;
195 delUser(registering, 1);
197 last_registering = registering;
200 chan = addChannel(argv[0]);
201 //request member list
202 chan->chanbot = user;
203 struct ChanUser *chanuser = addChanUser(chan, user); //it must be a bot
204 get_userlist(chan, got_channel_userlist, chanuser);
205 putsock(client, "MODE %s", chan->name);
206 putsock(client, "MODE %s +b", chan->name);
207 } else if(!isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
208 struct ChanUser *chanuser = addChanUser(chan, user);
211 user->flags |= USERFLAG_WAS_REGISTRING;
212 event_join(chanuser);
214 user->flags &= ~USERFLAG_WAS_REGISTRING;
220 static IRC_CMD(raw_part) {
221 if(from == NULL || argc < 1) return 0;
222 struct UserNode *user = getUserByMask(from);
223 if(user == NULL) return 0;
224 struct ChanNode *chan = getChanByName(argv[0]);
225 if(chan == NULL) return 0;
226 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
227 if(isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
228 struct ChanUser *chanuser = getChanUser(user, chan);
229 delChanUser(chanuser, 0); //we need to free the chanuser manually!
230 event_part(chanuser, (argc > 1 ? argv[1] : NULL));
231 freeChanUser(chanuser);
232 if(chan->chanbot == user) {
233 //check if theres another bot in the channel - otherwise free it
234 checkChannelVisibility(chan);
237 if(user->channel == NULL && !(user->flags & USERFLAG_ISBOT)) {
244 static IRC_CMD(raw_quit) {
245 if(from == NULL || argc < 1) return 0;
246 struct UserNode *user = getUserByMask(from);
247 if(user == NULL) return 0;
248 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
249 int registering = !stricmp(argv[0], "Registered");
250 if((registering && (user->flags & USERFLAG_ISBOT))) return 1; //bot is registering - just ignore it
251 delUser(user, 0); //a little bit crazy, but we want to delete the user on the channel's userlists - but not the users channel list
252 event_quit(user, argv[0]);
253 if(user->flags & USERFLAG_ISBOT) {
254 //check if there are other bots in the users channel - otherwise free them
255 struct ChanUser *chanuser, *next;
256 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
257 next = getUserChannels(user, chanuser);
258 if(chanuser->chan->chanbot == user)
259 checkChannelVisibility(chanuser->chan);
261 //search the user representing the bot in the world of IRC
262 struct ClientSocket *bot;
263 for(bot = getBots(0, NULL); bot; bot = getBots(0, bot)) {
264 if(bot->user == user) {
270 if(registering && !(user->flags & USERFLAG_ISBOT)) {
271 user->next = registering_users;
272 user->created = time(0);
273 registering_users = user;
275 delUser(user, 1); //now we fully free the user
279 void bot_disconnect(struct ClientSocket *client) {
280 struct UserNode *user = client->user;
281 struct ChanUser *chanuser, *next;
283 if(is_onlyBotSeeUser(client, user)) {
284 //ok the bot-user is not seen by any other bots so we can simply free it.
286 event_quit(user, "disconnected");
287 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
288 next = getUserChannels(user, chanuser);
289 if(chanuser->chan->chanbot == user)
290 checkChannelVisibility(chanuser->chan);
291 freeChanUser(chanuser);
293 user->channel = NULL;
294 delUser(user, 1); //now we fully free the user
296 //we need to transform the bot-user back to a normal user (BNC FIX)
297 user->flags &= ~USERFLAG_ISBOT;
298 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
299 next = getUserChannels(user, chanuser);
300 if(chanuser->chan->chanbot == user)
301 checkChannelVisibility(chanuser->chan);
308 static IRC_CMD(raw_kick) {
309 if(from == NULL || argc < 3) return 0;
310 struct UserNode *user = getUserByMask(from);
311 struct UserNode *target = getUserByNick(argv[1]);
312 struct ChanNode *chan = getChanByName(argv[0]);
313 if(chan == NULL || target == NULL) return 0;
314 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
315 if(isUserOnChan(target, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
317 user = createTempUser(from);
318 user->flags |= USERFLAG_ISTMPUSER;
320 struct ChanUser *chanuser = getChanUser(target, chan);
321 delChanUser(chanuser, 0); //we need to free the chanuser manually!
322 event_kick(user, chanuser, argv[1]);
323 if(chanuser->chan->chanbot == user) {
324 //check if theres another bot in the channel - otherwise free it
325 checkChannelVisibility(chan);
327 freeChanUser(chanuser);
329 if(target->channel == NULL && !(target->flags & USERFLAG_ISBOT)) {
336 static IRC_CMD(raw_topic) {
337 if(from == NULL || argc < 2) return 0;
338 struct UserNode *user = getUserByMask(from);
339 struct ChanNode *chan = getChanByName(argv[0]);
340 if(chan == NULL) return 0;
341 if(chan->chanbot != client->user) return 1; //just ignore it to prevent event duplicates
343 user = createTempUser(from);
344 user->flags |= USERFLAG_ISTMPUSER;
346 event_topic(user, chan, argv[1]);
347 strcpy(chan->topic, argv[1]);
351 static IRC_CMD(raw_privmsg) {
352 if(from == NULL || argc < 2) return 0;
353 struct UserNode *user = getUserByMask(from);
355 user = createTempUser(from);
356 user->flags |= USERFLAG_ISTMPUSER;
358 if(argv[0][0] == '#') { //Channel message
359 struct ChanNode *chan = getChanByName(argv[0]);
360 if(chan && chan->chanbot == client->user) {
361 if(statistics_enabled)
362 statistics_privmsg++;
363 if(argv[1][0] == '\001') {
364 char *cmd = &argv[1][1];
365 char *text = strstr(cmd, " ");
369 if(strlen(text) && text[strlen(text)-1] == '\001')
370 text[strlen(text)-1] = '\0';
371 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
372 cmd[strlen(cmd)-1] = '\0';
373 event_chanctcp(user, chan, cmd, text);
375 event_chanmsg(user, chan, argv[1]);
378 struct UserNode *target = getUserByNick(argv[0]);
380 if(argv[1][0] == '\001') {
381 char *cmd = &argv[1][1];
382 char *text = strstr(cmd, " ");
386 if(strlen(text) && text[strlen(text)-1] == '\001')
387 text[strlen(text)-1] = '\0';
388 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
389 cmd[strlen(cmd)-1] = '\0';
390 event_privctcp(user, target, cmd, text);
392 event_privmsg(user, target, argv[1]);
398 static IRC_CMD(raw_notice) {
399 if(from == NULL || argc < 2) return 0;
400 struct UserNode *user = getUserByMask(from);
402 user = createTempUser(from);
403 user->flags |= USERFLAG_ISTMPUSER;
405 if(argv[0][0] == '#') { //Channel notice
406 struct ChanNode *chan = getChanByName(argv[0]);
407 if(chan && chan->chanbot == client->user)
408 event_channotice(user, chan, argv[1]);
410 struct UserNode *target = getUserByNick(argv[0]);
412 event_privnotice(user, target, argv[1]);
417 static IRC_CMD(raw_nick) {
418 if(from == NULL || argc == 0) return 0;
419 struct UserNode *user = getUserByMask(from);
420 if(user == NULL) return 0;
421 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
422 event_nick(user, argv[0]);
423 renameUser(user, argv[0]);
427 static IRC_CMD(raw_ping) {
428 if(argc == 0) return 0;
429 putsock(client, "PONG :%s", argv[0]);
433 static IRC_CMD(raw_354) {
434 recv_whohandler_354(client, argv, argc);
438 static IRC_CMD(raw_315) {
439 recv_whohandler_315(client, argv, argc);
443 static IRC_CMD(raw_324) { //MODE LIST
444 //Watchcat #pktest +stnzN
445 if(from == NULL || argc < 3) return 0;
446 struct ChanNode *chan = getChanByName(argv[1]);
447 if(chan == NULL) return 0;
448 parseModes(chan->modes, argv[2], argv+3, argc-3);
452 static IRC_CMD(raw_invite) {
453 if(from == NULL || argc < 2) return 0;
454 struct UserNode *user = getUserByMask(from);
456 user = createTempUser(from);
457 user->flags |= USERFLAG_ISTMPUSER;
459 event_invite(client, user, argv[1]);
463 static IRC_CMD(raw_mode) {
464 if(from == NULL || argc < 2) return 0;
465 struct UserNode *user = getUserByMask(from);
467 user = createTempUser(from);
468 user->flags |= USERFLAG_ISTMPUSER;
470 if(argv[0][0] == '#') {
472 struct ChanNode *chan = getChanByName(argv[0]);
474 if(chan->chanbot != client->user) return 1;
475 event_mode(user, chan, argv[1], argv+2, argc-2);
476 parseModes(chan->modes, argv[1], argv+2, argc-2);
483 static IRC_CMD(raw_367) {
484 //Watchcat #pktest pk911!*@* TestBot!~bot@pktest.user.WebGamesNet 1315863279
485 struct ChanNode *chan = getChanByName(argv[1]);
488 while((ban = getMatchingChannelBan(chan, argv[2]))) {
489 removeChannelBan(ban);
491 addChannelBan(chan, argv[2]);
495 static IRC_CMD(raw_251) {
496 if(argc < 2) return 0;
497 char *total_user_str = argv[1];
498 char total_visible[20], total_invisible[20];
499 int i, total_visible_pos = 0, total_invisible_pos = 0;
500 while(*total_user_str) {
501 if(*total_user_str == ' ') {
504 if(total_visible_pos < 20)
505 total_visible[total_visible_pos++] = *total_user_str;
507 if(total_invisible_pos < 20)
508 total_invisible[total_invisible_pos++] = *total_user_str;
512 total_visible[total_visible_pos] = '\0';
513 total_invisible[total_invisible_pos] = '\0';
514 statistics_network_users = atoi(total_visible) + atoi(total_invisible);
518 static IRC_CMD(raw_254) {
519 if(argc < 3) return 0;
520 statistics_network_channels = atoi(argv[1]);
525 static IRC_CMD(raw_332) {
526 //Skynet #neonserv :topic
527 struct ChanNode *chan = getChanByName(argv[1]);
529 strcpy(chan->topic, argv[2]);
534 //all the raws we receive...
535 register_irc_function("001", raw_001);
536 register_irc_function("251", raw_251);
537 register_irc_function("254", raw_254);
538 register_irc_function("324", raw_324);
539 register_irc_function("332", raw_332);
540 register_irc_function("367", raw_367);
541 register_irc_function("INVITE", raw_invite);
542 register_irc_function("NOTICE", raw_notice);
543 register_irc_function("TOPIC", raw_topic);
544 register_irc_function("KICK", raw_kick);
545 register_irc_function("PART", raw_part);
546 register_irc_function("QUIT", raw_quit);
547 register_irc_function("JOIN", raw_join);
548 register_irc_function("MODE", raw_mode);
549 register_irc_function("NICK", raw_nick);
550 register_irc_function("354", raw_354);
551 register_irc_function("315", raw_315);
552 register_irc_function("PING", raw_ping);
553 register_irc_function("PRIVMSG", raw_privmsg);
557 struct irc_cmd *cmd, *next;
558 for(cmd = irc_commands; cmd; cmd = next) {
564 void reply(struct ClientSocket *client, struct UserNode *user, const char *text, ...) {
565 const char *reply_format = get_language_string(user, text);
566 if(reply_format == NULL)
568 loadUserSettings(user);
569 char formatBuf[MAXLEN];
570 sprintf(formatBuf, "%s %s :%s", ((user->flags & USERFLAG_REPLY_PRIVMSG) ? "PRIVMSG" : "NOTICE"), user->nick, reply_format);
572 char sendBuf[MAXLEN];
574 if (!(client->flags & SOCKET_FLAG_CONNECTED)) return;
576 va_start(arg_list, text);
577 pos = vsnprintf(sendBuf, MAXLEN - 2, formatBuf, arg_list);
579 if (pos < 0 || pos > (MAXLEN - 2)) pos = MAXLEN - 2;
581 sendBuf[pos+1] = '\0';
582 write_socket(client, sendBuf, pos+1);
585 char* merge_argv(char **argv, int start, int end) {
586 return merge_argv_char(argv, start, end, ' ');
589 char* merge_argv_char(char **argv, int start, int end, char seperator) {
592 for(i = start; i < end; i++) {