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 client->user = addUser(argv[0]);
120 client->user->flags |= USERFLAG_ISBOT;
121 client->flags |= SOCKET_FLAG_READY;
122 event_bot_ready(client);
126 static int is_firstBotSeeUser(struct ClientSocket *client, struct UserNode *user) {
127 struct ClientSocket *bot, *pref_bot = NULL, *unpref_bot = NULL;
128 struct ChanUser *chanuser;
130 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
132 for(chanuser = getUserChannels(bot->user, NULL); chanuser; chanuser = getUserChannels(bot->user, chanuser)) {
133 if(isUserOnChan(user, chanuser->chan)) {
139 if(bot->flags & SOCKET_FLAG_PREFERRED) {
145 bot = (pref_bot ? pref_bot : unpref_bot);
152 static IRC_CMD(raw_join) {
153 if(from == NULL || argc < 1) return 0;
154 struct UserNode *user = getUserByMask(from);
155 struct ChanNode *chan = getChanByName(argv[0]);
156 if(!chan && !(user->flags & USERFLAG_ISBOT)) return 0;
157 if(chan && chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
159 user = addUserMask(from);
161 struct UserNode *registering, *last_registering = NULL, *next_registering;
162 int noEvent = 0, wasRegistering = 0;
163 for(registering = registering_users; registering; registering = next_registering) {
164 next_registering = registering->next;
165 if(!strcmp(registering->nick, user->nick)) {
166 noEvent = event_registered(registering, user);
169 last_registering->next = registering->next;
171 registering_users = registering->next;
172 delUser(registering, 1);
173 } else if(time(0) - registering->created > 2) {
175 last_registering->next = registering->next;
177 registering_users = registering->next;
178 delUser(registering, 1);
180 last_registering = registering;
183 chan = addChannel(argv[0]);
184 //request member list
185 chan->chanbot = user;
186 struct ChanUser *chanuser = addChanUser(chan, user); //it must be a bot
187 get_userlist(chan, got_channel_userlist, chanuser);
188 putsock(client, "MODE %s", chan->name);
189 putsock(client, "MODE %s +b", chan->name);
190 } else if(!isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
191 struct ChanUser *chanuser = addChanUser(chan, user);
194 user->flags |= USERFLAG_WAS_REGISTRING;
195 event_join(chanuser);
197 user->flags &= ~USERFLAG_WAS_REGISTRING;
203 static IRC_CMD(raw_part) {
204 if(from == NULL || argc < 1) return 0;
205 struct UserNode *user = getUserByMask(from);
206 if(user == NULL) return 0;
207 struct ChanNode *chan = getChanByName(argv[0]);
208 if(chan == NULL) return 0;
209 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
210 if(isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
211 struct ChanUser *chanuser = getChanUser(user, chan);
212 delChanUser(chanuser, 0); //we need to free the chanuser manually!
213 event_part(chanuser, (argc > 1 ? argv[1] : NULL));
214 freeChanUser(chanuser);
215 if(chan->chanbot == user) {
216 //check if theres another bot in the channel - otherwise free it
217 checkChannelVisibility(chan);
220 if(user->channel == NULL && !(user->flags & USERFLAG_ISBOT)) {
227 static IRC_CMD(raw_quit) {
228 if(from == NULL || argc < 1) return 0;
229 struct UserNode *user = getUserByMask(from);
230 if(user == NULL) return 0;
231 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
232 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
233 event_quit(user, argv[0]);
234 if(user->flags & USERFLAG_ISBOT) {
235 //check if there are other bots in the users channel - otherwise free them
236 struct ChanUser *chanuser, *next;
237 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
238 next = getUserChannels(user, chanuser);
239 if(chanuser->chan->chanbot == user)
240 checkChannelVisibility(chanuser->chan);
242 //search the user representing the bot in the world of IRC
243 struct ClientSocket *bot;
244 for(bot = getBots(0, NULL); bot; bot = getBots(0, bot)) {
245 if(bot->user == user) {
251 if(!stricmp(argv[0], "Registered") && !(user->flags & USERFLAG_ISBOT)) {
252 user->next = registering_users;
253 user->created = time(0);
254 registering_users = user;
256 delUser(user, 1); //now we fully free the user
260 void bot_disconnect(struct ClientSocket *client) {
261 struct UserNode *user = client->user;
262 struct ChanUser *chanuser, *next;
265 event_quit(user, "disconnected");
266 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
267 next = getUserChannels(user, chanuser);
268 if(chanuser->chan->chanbot == user)
269 checkChannelVisibility(chanuser->chan);
270 freeChanUser(chanuser);
272 user->channel = NULL;
273 delUser(user, 1); //now we fully free the user
278 static IRC_CMD(raw_kick) {
279 if(from == NULL || argc < 3) return 0;
280 struct UserNode *user = getUserByMask(from);
281 struct UserNode *target = getUserByNick(argv[1]);
282 struct ChanNode *chan = getChanByName(argv[0]);
283 if(chan == NULL || target == NULL) return 0;
284 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
285 if(isUserOnChan(target, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
287 user = createTempUser(from);
288 user->flags |= USERFLAG_ISTMPUSER;
290 struct ChanUser *chanuser = getChanUser(target, chan);
291 delChanUser(chanuser, 0); //we need to free the chanuser manually!
292 event_kick(user, chanuser, argv[1]);
293 freeChanUser(chanuser);
294 if(chanuser->chan->chanbot == user) {
295 //check if theres another bot in the channel - otherwise free it
296 checkChannelVisibility(chan);
299 if(target->channel == NULL && !(target->flags & USERFLAG_ISBOT)) {
306 static IRC_CMD(raw_topic) {
307 if(from == NULL || argc < 2) return 0;
308 struct UserNode *user = getUserByMask(from);
309 struct ChanNode *chan = getChanByName(argv[0]);
310 if(chan == NULL) return 0;
311 if(chan->chanbot != client->user) return 1; //just ignore it to prevent event duplicates
313 user = createTempUser(from);
314 user->flags |= USERFLAG_ISTMPUSER;
316 event_topic(user, chan, argv[1]);
317 strcpy(chan->topic, argv[1]);
321 static IRC_CMD(raw_privmsg) {
322 if(from == NULL || argc < 2) return 0;
323 struct UserNode *user = getUserByMask(from);
325 user = createTempUser(from);
326 user->flags |= USERFLAG_ISTMPUSER;
328 if(argv[0][0] == '#') { //Channel message
329 struct ChanNode *chan = getChanByName(argv[0]);
330 if(chan && chan->chanbot == client->user) {
331 if(statistics_enabled)
332 statistics_privmsg++;
333 if(argv[1][0] == '\001') {
334 char *cmd = &argv[1][1];
335 char *text = strstr(cmd, " ");
339 if(strlen(text) && text[strlen(text)-1] == '\001')
340 text[strlen(text)-1] = '\0';
341 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
342 cmd[strlen(cmd)-1] = '\0';
343 event_chanctcp(user, chan, cmd, text);
345 event_chanmsg(user, chan, argv[1]);
348 struct UserNode *target = getUserByNick(argv[0]);
350 if(argv[1][0] == '\001') {
351 char *cmd = &argv[1][1];
352 char *text = strstr(cmd, " ");
356 if(strlen(text) && text[strlen(text)-1] == '\001')
357 text[strlen(text)-1] = '\0';
358 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
359 cmd[strlen(cmd)-1] = '\0';
360 event_privctcp(user, target, cmd, text);
362 event_privmsg(user, target, argv[1]);
368 static IRC_CMD(raw_notice) {
369 if(from == NULL || argc < 2) return 0;
370 struct UserNode *user = getUserByMask(from);
372 user = createTempUser(from);
373 user->flags |= USERFLAG_ISTMPUSER;
375 if(argv[0][0] == '#') { //Channel notice
376 struct ChanNode *chan = getChanByName(argv[0]);
377 if(chan && chan->chanbot == client->user)
378 event_channotice(user, chan, argv[1]);
380 struct UserNode *target = getUserByNick(argv[0]);
382 event_privnotice(user, target, argv[1]);
387 static IRC_CMD(raw_nick) {
388 if(from == NULL || argc == 0) return 0;
389 struct UserNode *user = getUserByMask(from);
390 if(user == NULL) return 0;
391 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
392 event_nick(user, argv[0]);
393 renameUser(user, argv[0]);
397 static IRC_CMD(raw_ping) {
398 if(argc == 0) return 0;
399 putsock(client, "PONG :%s", argv[0]);
403 static IRC_CMD(raw_354) {
404 recv_whohandler_354(client, argv, argc);
408 static IRC_CMD(raw_315) {
409 recv_whohandler_315(client, argv, argc);
413 static IRC_CMD(raw_324) { //MODE LIST
414 //Watchcat #pktest +stnzN
415 if(from == NULL || argc < 3) return 0;
416 struct ChanNode *chan = getChanByName(argv[1]);
417 if(chan == NULL) return 0;
418 parseModes(chan->modes, argv[2], argv+3, argc-3);
422 static IRC_CMD(raw_invite) {
423 if(from == NULL || argc < 2) return 0;
424 struct UserNode *user = getUserByMask(from);
426 user = createTempUser(from);
427 user->flags |= USERFLAG_ISTMPUSER;
429 event_invite(client, user, argv[1]);
433 static IRC_CMD(raw_mode) {
434 if(from == NULL || argc < 2) return 0;
435 struct UserNode *user = getUserByMask(from);
437 user = createTempUser(from);
438 user->flags |= USERFLAG_ISTMPUSER;
440 if(argv[0][0] == '#') {
442 struct ChanNode *chan = getChanByName(argv[0]);
444 if(chan->chanbot != client->user) return 1;
445 event_mode(user, chan, argv[1], argv+2, argc-2);
446 parseModes(chan->modes, argv[1], argv+2, argc-2);
453 static IRC_CMD(raw_367) {
454 //Watchcat #pktest pk911!*@* TestBot!~bot@pktest.user.WebGamesNet 1315863279
455 struct ChanNode *chan = getChanByName(argv[1]);
458 while((ban = getMatchingChannelBan(chan, argv[2]))) {
459 removeChannelBan(ban);
461 addChannelBan(chan, argv[2]);
465 static IRC_CMD(raw_251) {
466 if(argc < 2) return 0;
467 char *total_user_str = argv[1];
468 char total_visible[20], total_invisible[20];
469 int i, total_visible_pos = 0, total_invisible_pos = 0;
470 while(*total_user_str) {
471 if(*total_user_str == ' ') {
474 if(total_visible_pos < 20)
475 total_visible[total_visible_pos++] = *total_user_str;
477 if(total_invisible_pos < 20)
478 total_invisible[total_invisible_pos++] = *total_user_str;
482 total_visible[total_visible_pos] = '\0';
483 total_invisible[total_invisible_pos] = '\0';
484 statistics_network_users = atoi(total_visible) + atoi(total_invisible);
488 static IRC_CMD(raw_254) {
489 if(argc < 3) return 0;
490 statistics_network_channels = atoi(argv[1]);
495 static IRC_CMD(raw_332) {
496 //Skynet #neonserv :topic
497 struct ChanNode *chan = getChanByName(argv[1]);
499 strcpy(chan->topic, argv[2]);
504 //all the raws we receive...
505 register_irc_function("001", raw_001);
506 register_irc_function("251", raw_251);
507 register_irc_function("254", raw_254);
508 register_irc_function("324", raw_324);
509 register_irc_function("332", raw_332);
510 register_irc_function("367", raw_367);
511 register_irc_function("INVITE", raw_invite);
512 register_irc_function("NOTICE", raw_notice);
513 register_irc_function("TOPIC", raw_topic);
514 register_irc_function("KICK", raw_kick);
515 register_irc_function("PART", raw_part);
516 register_irc_function("QUIT", raw_quit);
517 register_irc_function("JOIN", raw_join);
518 register_irc_function("MODE", raw_mode);
519 register_irc_function("NICK", raw_nick);
520 register_irc_function("354", raw_354);
521 register_irc_function("315", raw_315);
522 register_irc_function("PING", raw_ping);
523 register_irc_function("PRIVMSG", raw_privmsg);
527 struct irc_cmd *cmd, *next;
528 for(cmd = irc_commands; cmd; cmd = next) {
534 void reply(struct ClientSocket *client, struct UserNode *user, const char *text, ...) {
535 const char *reply_format = get_language_string(user, text);
536 if(reply_format == NULL)
538 loadUserSettings(user);
539 char formatBuf[MAXLEN];
540 sprintf(formatBuf, "%s %s :%s", ((user->flags & USERFLAG_REPLY_PRIVMSG) ? "PRIVMSG" : "NOTICE"), user->nick, reply_format);
542 char sendBuf[MAXLEN];
544 if (!(client->flags & SOCKET_FLAG_CONNECTED)) return;
546 va_start(arg_list, text);
547 pos = vsnprintf(sendBuf, MAXLEN - 2, formatBuf, arg_list);
549 if (pos < 0 || pos > (MAXLEN - 2)) pos = MAXLEN - 2;
551 sendBuf[pos+1] = '\0';
552 write_socket(client, sendBuf, pos+1);
555 char* merge_argv(char **argv, int start, int end) {
556 return merge_argv_char(argv, start, end, ' ');
559 char* merge_argv_char(char **argv, int start, int end, char seperator) {
562 for(i = start; i < end; i++) {