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->flags |= SOCKET_FLAG_READY;
120 event_bot_ready(client);
124 static int is_firstBotSeeUser(struct ClientSocket *client, struct UserNode *user) {
125 struct ClientSocket *bot, *pref_bot = NULL, *unpref_bot = NULL;
126 struct ChanUser *chanuser;
128 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
130 for(chanuser = getUserChannels(bot->user, NULL); chanuser; chanuser = getUserChannels(bot->user, chanuser)) {
131 if(isUserOnChan(user, chanuser->chan)) {
137 if(bot->flags & SOCKET_FLAG_PREFERRED) {
143 bot = (pref_bot ? pref_bot : unpref_bot);
150 static IRC_CMD(raw_join) {
151 if(from == NULL || argc < 1) return 0;
152 struct UserNode *user = getUserByMask(from);
153 struct ChanNode *chan = getChanByName(argv[0]);
154 if(!chan && !(user->flags & USERFLAG_ISBOT)) return 0;
155 if(chan && chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
157 user = addUserMask(from);
159 struct UserNode *registering, *last_registering = NULL, *next_registering;
160 int noEvent = 0, wasRegistering = 0;
161 for(registering = registering_users; registering; registering = next_registering) {
162 next_registering = registering->next;
163 if(!strcmp(registering->nick, user->nick)) {
164 noEvent = event_registered(registering, user);
167 last_registering->next = registering->next;
169 registering_users = registering->next;
170 delUser(registering, 1);
171 } else if(time(0) - registering->created > 2) {
173 last_registering->next = registering->next;
175 registering_users = registering->next;
176 delUser(registering, 1);
178 last_registering = registering;
181 chan = addChannel(argv[0]);
182 //request member list
183 chan->chanbot = user;
184 struct ChanUser *chanuser = addChanUser(chan, user); //it must be a bot
185 get_userlist(chan, got_channel_userlist, chanuser);
186 putsock(client, "MODE %s", chan->name);
187 putsock(client, "MODE %s +b", chan->name);
188 } else if(!isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
189 struct ChanUser *chanuser = addChanUser(chan, user);
192 user->flags |= USERFLAG_WAS_REGISTRING;
193 event_join(chanuser);
195 user->flags &= ~USERFLAG_WAS_REGISTRING;
201 static IRC_CMD(raw_part) {
202 if(from == NULL || argc < 1) return 0;
203 struct UserNode *user = getUserByMask(from);
204 if(user == NULL) return 0;
205 struct ChanNode *chan = getChanByName(argv[0]);
206 if(chan == NULL) return 0;
207 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
208 if(isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
209 struct ChanUser *chanuser = getChanUser(user, chan);
210 delChanUser(chanuser, 0); //we need to free the chanuser manually!
211 event_part(chanuser, (argc > 1 ? argv[1] : NULL));
212 freeChanUser(chanuser);
213 if(chan->chanbot == user) {
214 //check if theres another bot in the channel - otherwise free it
215 checkChannelVisibility(chan);
218 if(user->channel == NULL && !(user->flags & USERFLAG_ISBOT)) {
225 static IRC_CMD(raw_quit) {
226 if(from == NULL || argc < 1) return 0;
227 struct UserNode *user = getUserByMask(from);
228 if(user == NULL) return 0;
229 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
230 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
231 event_quit(user, argv[0]);
232 if(user->flags & USERFLAG_ISBOT) {
233 //check if there are other bots in the users channel - otherwise free them
234 struct ChanUser *chanuser, *next;
235 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
236 next = getUserChannels(user, chanuser);
237 if(chanuser->chan->chanbot == user)
238 checkChannelVisibility(chanuser->chan);
240 //search the user representing the bot in the world of IRC
241 struct ClientSocket *bot;
242 for(bot = getBots(0, NULL); bot; bot = getBots(0, bot)) {
243 if(bot->user == user) {
249 if(!stricmp(argv[0], "Registered") && !(user->flags & USERFLAG_ISBOT)) {
250 user->next = registering_users;
251 user->created = time(0);
252 registering_users = user;
254 delUser(user, 1); //now we fully free the user
258 void bot_disconnect(struct ClientSocket *client) {
259 struct UserNode *user = client->user;
260 struct ChanUser *chanuser, *next;
263 event_quit(user, "disconnected");
264 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
265 next = getUserChannels(user, chanuser);
266 if(chanuser->chan->chanbot == user)
267 checkChannelVisibility(chanuser->chan);
268 freeChanUser(chanuser);
270 user->channel = NULL;
271 delUser(user, 1); //now we fully free the user
276 static IRC_CMD(raw_kick) {
277 if(from == NULL || argc < 3) return 0;
278 struct UserNode *user = getUserByMask(from);
279 struct UserNode *target = getUserByNick(argv[1]);
280 struct ChanNode *chan = getChanByName(argv[0]);
281 if(chan == NULL || target == NULL) return 0;
282 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
283 if(isUserOnChan(target, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
285 user = createTempUser(from);
286 user->flags |= USERFLAG_ISTMPUSER;
288 struct ChanUser *chanuser = getChanUser(target, chan);
289 delChanUser(chanuser, 0); //we need to free the chanuser manually!
290 event_kick(user, chanuser, argv[1]);
291 freeChanUser(chanuser);
292 if(chanuser->chan->chanbot == user) {
293 //check if theres another bot in the channel - otherwise free it
294 checkChannelVisibility(chan);
297 if(target->channel == NULL && !(target->flags & USERFLAG_ISBOT)) {
304 static IRC_CMD(raw_topic) {
305 if(from == NULL || argc < 2) return 0;
306 struct UserNode *user = getUserByMask(from);
307 struct ChanNode *chan = getChanByName(argv[0]);
308 if(chan == NULL) return 0;
309 if(chan->chanbot != client->user) return 1; //just ignore it to prevent event duplicates
311 user = createTempUser(from);
312 user->flags |= USERFLAG_ISTMPUSER;
314 event_topic(user, chan, argv[1]);
315 strcpy(chan->topic, argv[1]);
319 static IRC_CMD(raw_privmsg) {
320 if(from == NULL || argc < 2) return 0;
321 struct UserNode *user = getUserByMask(from);
323 user = createTempUser(from);
324 user->flags |= USERFLAG_ISTMPUSER;
326 if(argv[0][0] == '#') { //Channel message
327 struct ChanNode *chan = getChanByName(argv[0]);
328 if(chan && chan->chanbot == client->user) {
329 if(statistics_enabled)
330 statistics_privmsg++;
331 if(argv[1][0] == '\001') {
332 char *cmd = &argv[1][1];
333 char *text = strstr(cmd, " ");
337 if(strlen(text) && text[strlen(text)-1] == '\001')
338 text[strlen(text)-1] = '\0';
339 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
340 cmd[strlen(cmd)-1] = '\0';
341 event_chanctcp(user, chan, cmd, text);
343 event_chanmsg(user, chan, argv[1]);
346 struct UserNode *target = getUserByNick(argv[0]);
348 if(argv[1][0] == '\001') {
349 char *cmd = &argv[1][1];
350 char *text = strstr(cmd, " ");
354 if(strlen(text) && text[strlen(text)-1] == '\001')
355 text[strlen(text)-1] = '\0';
356 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
357 cmd[strlen(cmd)-1] = '\0';
358 event_privctcp(user, target, cmd, text);
360 event_privmsg(user, target, argv[1]);
366 static IRC_CMD(raw_notice) {
367 if(from == NULL || argc < 2) return 0;
368 struct UserNode *user = getUserByMask(from);
370 user = createTempUser(from);
371 user->flags |= USERFLAG_ISTMPUSER;
373 if(argv[0][0] == '#') { //Channel notice
374 struct ChanNode *chan = getChanByName(argv[0]);
375 if(chan && chan->chanbot == client->user)
376 event_channotice(user, chan, argv[1]);
378 struct UserNode *target = getUserByNick(argv[0]);
380 event_privnotice(user, target, argv[1]);
385 static IRC_CMD(raw_nick) {
386 if(from == NULL || argc == 0) return 0;
387 struct UserNode *user = getUserByMask(from);
388 if(user == NULL) return 0;
389 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
390 event_nick(user, argv[0]);
391 renameUser(user, argv[0]);
395 static IRC_CMD(raw_ping) {
396 if(argc == 0) return 0;
397 putsock(client, "PONG :%s", argv[0]);
401 static IRC_CMD(raw_354) {
402 recv_whohandler_354(client, argv, argc);
406 static IRC_CMD(raw_315) {
407 recv_whohandler_315(client, argv, argc);
411 static IRC_CMD(raw_324) { //MODE LIST
412 //Watchcat #pktest +stnzN
413 if(from == NULL || argc < 3) return 0;
414 struct ChanNode *chan = getChanByName(argv[1]);
415 if(chan == NULL) return 0;
416 parseModes(chan->modes, argv[2], argv+3, argc-3);
420 static IRC_CMD(raw_invite) {
421 if(from == NULL || argc < 2) return 0;
422 struct UserNode *user = getUserByMask(from);
424 user = createTempUser(from);
425 user->flags |= USERFLAG_ISTMPUSER;
427 event_invite(client, user, argv[1]);
431 static IRC_CMD(raw_mode) {
432 if(from == NULL || argc < 2) return 0;
433 struct UserNode *user = getUserByMask(from);
435 user = createTempUser(from);
436 user->flags |= USERFLAG_ISTMPUSER;
438 if(argv[0][0] == '#') {
440 struct ChanNode *chan = getChanByName(argv[0]);
442 if(chan->chanbot != client->user) return 1;
443 event_mode(user, chan, argv[1], argv+2, argc-2);
444 parseModes(chan->modes, argv[1], argv+2, argc-2);
451 static IRC_CMD(raw_367) {
452 //Watchcat #pktest pk911!*@* TestBot!~bot@pktest.user.WebGamesNet 1315863279
453 struct ChanNode *chan = getChanByName(argv[1]);
456 while((ban = getMatchingChannelBan(chan, argv[2]))) {
457 removeChannelBan(ban);
459 addChannelBan(chan, argv[2]);
463 static IRC_CMD(raw_251) {
464 if(argc < 2) return 0;
465 char *total_user_str = argv[1];
466 char total_visible[20], total_invisible[20];
467 int i, total_visible_pos = 0, total_invisible_pos = 0;
468 while(*total_user_str) {
469 if(*total_user_str == ' ') {
472 if(total_visible_pos < 20)
473 total_visible[total_visible_pos++] = *total_user_str;
475 if(total_invisible_pos < 20)
476 total_invisible[total_invisible_pos++] = *total_user_str;
480 total_visible[total_visible_pos] = '\0';
481 total_invisible[total_invisible_pos] = '\0';
482 statistics_network_users = atoi(total_visible) + atoi(total_invisible);
486 static IRC_CMD(raw_254) {
487 if(argc < 3) return 0;
488 statistics_network_channels = atoi(argv[1]);
494 //all the raws we receive...
495 register_irc_function("001", raw_001);
496 register_irc_function("251", raw_251);
497 register_irc_function("254", raw_254);
498 register_irc_function("324", raw_324);
499 register_irc_function("367", raw_367);
500 register_irc_function("INVITE", raw_invite);
501 register_irc_function("NOTICE", raw_notice);
502 register_irc_function("TOPIC", raw_topic);
503 register_irc_function("KICK", raw_kick);
504 register_irc_function("PART", raw_part);
505 register_irc_function("QUIT", raw_quit);
506 register_irc_function("JOIN", raw_join);
507 register_irc_function("MODE", raw_mode);
508 register_irc_function("NICK", raw_nick);
509 register_irc_function("354", raw_354);
510 register_irc_function("315", raw_315);
511 register_irc_function("PING", raw_ping);
512 register_irc_function("PRIVMSG", raw_privmsg);
516 struct irc_cmd *cmd, *next;
517 for(cmd = irc_commands; cmd; cmd = next) {
523 void reply(struct ClientSocket *client, struct UserNode *user, const char *text, ...) {
524 const char *reply_format = get_language_string(user, text);
525 if(reply_format == NULL)
527 loadUserSettings(user);
528 char formatBuf[MAXLEN];
529 sprintf(formatBuf, "%s %s :%s", ((user->flags & USERFLAG_REPLY_PRIVMSG) ? "PRIVMSG" : "NOTICE"), user->nick, reply_format);
531 char sendBuf[MAXLEN];
533 if (!(client->flags & SOCKET_FLAG_CONNECTED)) return;
535 va_start(arg_list, text);
536 pos = vsnprintf(sendBuf, MAXLEN - 2, formatBuf, arg_list);
538 if (pos < 0 || pos > (MAXLEN - 2)) pos = MAXLEN - 2;
540 sendBuf[pos+1] = '\0';
541 write_socket(client, sendBuf, pos+1);
544 char* merge_argv(char **argv, int start, int end) {
545 return merge_argv_char(argv, start, end, ' ');
548 char* merge_argv_char(char **argv, int start, int end, char seperator) {
551 for(i = start; i < end; i++) {