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;
33 static void parse_line(struct ClientSocket *client, char *line);
34 static void register_irc_function(char *command, irc_cmd_t *func);
35 static void parse_raw(struct ClientSocket *client, char *from, char *cmd, char **argv, int argc);
37 int parse_lines(struct ClientSocket *client, char *lines, int len) {
40 for(i = 0; i < len; i++) {
41 if(lines[i] == '\r') //just zero it out :D
43 if(lines[i] == '\n') {
45 parse_line(client, line);
53 static void parse_line(struct ClientSocket *client, char *line) {
55 char *argv[MAXNUMPARAMS];
56 printf("[recv %lu] %s\n", (unsigned long) strlen(line), line);
66 //the rest is a single parameter
67 argv[argc++] = line + 1;
71 if (argc >= MAXNUMPARAMS)
73 while (*line != ' ' && *line)
77 parse_raw(client, argv[0], argv[1], argv+2, argc-2);
81 static void register_irc_function(char *command, irc_cmd_t *func) {
82 struct irc_cmd *irc_cmd = malloc(sizeof(*irc_cmd));
85 perror("malloc() failed");
88 irc_cmd->cmd = command;
90 irc_cmd->next = irc_commands;
91 irc_commands = irc_cmd;
94 static void parse_raw(struct ClientSocket *client, char *from, char *cmd, char **argv, int argc) {
95 struct irc_cmd *irc_cmd;
97 for(irc_cmd = irc_commands; irc_cmd; irc_cmd = irc_cmd->next) {
98 if(!stricmp(irc_cmd->cmd, cmd)) {
99 ret = irc_cmd->func(client, from, argv, argc);
104 event_raw(client, from, cmd, argv, argc);
106 fprintf(stderr,"PARSE ERROR: %s\n", cmd);
110 static USERLIST_CALLBACK(got_channel_userlist) {
111 struct ChanUser *chanuser = data;
112 event_join(chanuser);
115 static IRC_CMD(raw_001) {
116 client->flags |= SOCKET_FLAG_READY;
117 event_bot_ready(client);
121 static int is_firstBotSeeUser(struct ClientSocket *client, struct UserNode *user) {
122 struct ClientSocket *bot, *pref_bot = NULL, *unpref_bot = NULL;
123 struct ChanUser *chanuser;
125 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
127 for(chanuser = getUserChannels(bot->user, NULL); chanuser; chanuser = getUserChannels(bot->user, chanuser)) {
128 if(isUserOnChan(user, chanuser->chan)) {
134 if(bot->flags & SOCKET_FLAG_PREFERRED) {
140 bot = (pref_bot ? pref_bot : unpref_bot);
147 static IRC_CMD(raw_join) {
148 if(from == NULL || argc < 1) return 0;
149 struct UserNode *user = getUserByMask(from);
150 struct ChanNode *chan = getChanByName(argv[0]);
151 if(!chan && !(user->flags & USERFLAG_ISBOT)) return 0;
152 if(chan && chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
154 user = addUserMask(from);
156 struct UserNode *registering, *last_registering = NULL, *next_registering;
157 int noEvent = 0, wasRegistering = 0;
158 for(registering = registering_users; registering; registering = next_registering) {
159 next_registering = registering->next;
160 if(!strcmp(registering->nick, user->nick)) {
161 noEvent = event_registered(registering, user);
164 last_registering->next = registering->next;
166 registering_users = registering->next;
167 delUser(registering, 1);
168 } else if(time(0) - registering->created > 2) {
170 last_registering->next = registering->next;
172 registering_users = registering->next;
173 delUser(registering, 1);
175 last_registering = registering;
178 chan = addChannel(argv[0]);
179 //request member list
180 chan->chanbot = user;
181 struct ChanUser *chanuser = addChanUser(chan, user); //it must be a bot
182 get_userlist(chan, got_channel_userlist, chanuser);
183 putsock(client, "MODE %s", chan->name);
184 putsock(client, "MODE %s +b", chan->name);
185 } else if(!isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
186 struct ChanUser *chanuser = addChanUser(chan, user);
189 user->flags |= USERFLAG_WAS_REGISTRING;
190 event_join(chanuser);
192 user->flags &= ~USERFLAG_WAS_REGISTRING;
198 static IRC_CMD(raw_part) {
199 if(from == NULL || argc < 1) return 0;
200 struct UserNode *user = getUserByMask(from);
201 if(user == NULL) return 0;
202 struct ChanNode *chan = getChanByName(argv[0]);
203 if(chan == NULL) return 0;
204 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
205 if(isUserOnChan(user, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
206 struct ChanUser *chanuser = getChanUser(user, chan);
207 delChanUser(chanuser, 0); //we need to free the chanuser manually!
208 event_part(chanuser, (argc > 1 ? argv[1] : NULL));
209 freeChanUser(chanuser);
210 if(chan->chanbot == user) {
211 //check if theres another bot in the channel - otherwise free it
212 checkChannelVisibility(chan);
215 if(user->channel == NULL && !(user->flags & USERFLAG_ISBOT)) {
222 static IRC_CMD(raw_quit) {
223 if(from == NULL || argc < 1) return 0;
224 struct UserNode *user = getUserByMask(from);
225 if(user == NULL) return 0;
226 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
227 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
228 event_quit(user, argv[0]);
229 if(user->flags & USERFLAG_ISBOT) {
230 //check if there are other bots in the users channel - otherwise free them
231 struct ChanUser *chanuser, *next;
232 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
233 next = getUserChannels(user, chanuser);
234 if(chanuser->chan->chanbot == user)
235 checkChannelVisibility(chanuser->chan);
237 //search the user representing the bot in the world of IRC
238 struct ClientSocket *bot;
239 for(bot = getBots(0, NULL); bot; bot = getBots(0, bot)) {
240 if(bot->user == user) {
246 if(!stricmp(argv[0], "Registered") && !(user->flags & USERFLAG_ISBOT)) {
247 user->next = registering_users;
248 user->created = time(0);
249 registering_users = user;
251 delUser(user, 1); //now we fully free the user
255 void bot_disconnect(struct ClientSocket *client) {
256 struct UserNode *user = client->user;
257 struct ChanUser *chanuser, *next;
260 event_quit(user, "disconnected");
261 for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
262 next = getUserChannels(user, chanuser);
263 if(chanuser->chan->chanbot == user)
264 checkChannelVisibility(chanuser->chan);
265 freeChanUser(chanuser);
267 user->channel = NULL;
268 delUser(user, 1); //now we fully free the user
273 static IRC_CMD(raw_kick) {
274 if(from == NULL || argc < 3) return 0;
275 struct UserNode *user = getUserByMask(from);
276 struct UserNode *target = getUserByNick(argv[1]);
277 struct ChanNode *chan = getChanByName(argv[0]);
278 if(chan == NULL || target == NULL) return 0;
279 if(chan->chanbot != client->user) return 1; //we ignore it - but it's not a parse error
280 if(isUserOnChan(target, chan) && (chan->flags & CHANFLAG_RECEIVED_USERLIST)) {
282 user = createTempUser(from);
283 user->flags |= USERFLAG_ISTMPUSER;
285 struct ChanUser *chanuser = getChanUser(target, chan);
286 delChanUser(chanuser, 0); //we need to free the chanuser manually!
287 event_kick(user, chanuser, argv[1]);
288 freeChanUser(chanuser);
289 if(chanuser->chan->chanbot == user) {
290 //check if theres another bot in the channel - otherwise free it
291 checkChannelVisibility(chan);
294 if(target->channel == NULL && !(target->flags & USERFLAG_ISBOT)) {
301 static IRC_CMD(raw_topic) {
302 if(from == NULL || argc < 2) return 0;
303 struct UserNode *user = getUserByMask(from);
304 struct ChanNode *chan = getChanByName(argv[0]);
305 if(chan == NULL) return 0;
306 if(chan->chanbot != client->user) return 1; //just ignore it to prevent event duplicates
308 user = createTempUser(from);
309 user->flags |= USERFLAG_ISTMPUSER;
311 event_topic(user, chan, argv[1]);
312 strcpy(chan->topic, argv[1]);
316 static IRC_CMD(raw_privmsg) {
317 if(from == NULL || argc < 2) return 0;
318 struct UserNode *user = getUserByMask(from);
320 user = createTempUser(from);
321 user->flags |= USERFLAG_ISTMPUSER;
323 if(argv[0][0] == '#') { //Channel message
324 struct ChanNode *chan = getChanByName(argv[0]);
325 if(chan && chan->chanbot == client->user) {
326 if(argv[1][0] == '\001') {
327 char *cmd = &argv[1][1];
328 char *text = strstr(cmd, " ");
332 if(strlen(text) && text[strlen(text)-1] == '\001')
333 text[strlen(text)-1] = '\0';
334 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
335 cmd[strlen(cmd)-1] = '\0';
336 event_chanctcp(user, chan, cmd, text);
338 event_chanmsg(user, chan, argv[1]);
341 struct UserNode *target = getUserByNick(argv[0]);
343 if(argv[1][0] == '\001') {
344 char *cmd = &argv[1][1];
345 char *text = strstr(cmd, " ");
349 if(strlen(text) && text[strlen(text)-1] == '\001')
350 text[strlen(text)-1] = '\0';
351 } else if(strlen(cmd) && cmd[strlen(cmd)-1] == '\001')
352 cmd[strlen(cmd)-1] = '\0';
353 event_privctcp(user, target, cmd, text);
355 event_privmsg(user, target, argv[1]);
361 static IRC_CMD(raw_notice) {
362 if(from == NULL || argc < 2) return 0;
363 struct UserNode *user = getUserByMask(from);
365 user = createTempUser(from);
366 user->flags |= USERFLAG_ISTMPUSER;
368 if(argv[0][0] == '#') { //Channel notice
369 struct ChanNode *chan = getChanByName(argv[0]);
370 if(chan && chan->chanbot == client->user)
371 event_channotice(user, chan, argv[1]);
373 struct UserNode *target = getUserByNick(argv[0]);
375 event_privnotice(user, target, argv[1]);
380 static IRC_CMD(raw_nick) {
381 if(from == NULL || argc == 0) return 0;
382 struct UserNode *user = getUserByMask(from);
383 if(user == NULL) return 0;
384 if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
385 event_nick(user, argv[0]);
386 renameUser(user, argv[0]);
390 static IRC_CMD(raw_ping) {
391 if(argc == 0) return 0;
392 putsock(client, "PONG :%s", argv[0]);
396 static IRC_CMD(raw_354) {
397 recv_whohandler_354(client, argv, argc);
401 static IRC_CMD(raw_315) {
402 recv_whohandler_315(client, argv, argc);
406 static IRC_CMD(raw_324) { //MODE LIST
407 //Watchcat #pktest +stnzN
408 if(from == NULL || argc < 3) return 0;
409 struct ChanNode *chan = getChanByName(argv[1]);
410 if(chan == NULL) return 0;
411 parseModes(chan->modes, argv[2], argv+3, argc-3);
415 static IRC_CMD(raw_invite) {
416 if(from == NULL || argc < 2) return 0;
417 struct UserNode *user = getUserByMask(from);
419 user = createTempUser(from);
420 user->flags |= USERFLAG_ISTMPUSER;
422 event_invite(client, user, argv[1]);
426 static IRC_CMD(raw_mode) {
427 if(from == NULL || argc < 2) return 0;
428 struct UserNode *user = getUserByMask(from);
430 user = createTempUser(from);
431 user->flags |= USERFLAG_ISTMPUSER;
433 if(argv[0][0] == '#') {
435 struct ChanNode *chan = getChanByName(argv[0]);
437 if(chan->chanbot != client->user) return 1;
438 event_mode(user, chan, argv[1], argv+2, argc-2);
439 parseModes(chan->modes, argv[1], argv+2, argc-2);
446 static IRC_CMD(raw_367) {
447 //Watchcat #pktest pk911!*@* TestBot!~bot@pktest.user.WebGamesNet 1315863279
448 struct ChanNode *chan = getChanByName(argv[1]);
451 while((ban = getMatchingChannelBan(chan, argv[2]))) {
452 removeChannelBan(ban);
454 addChannelBan(chan, argv[2]);
459 //all the raws we receive...
460 register_irc_function("001", raw_001);
461 register_irc_function("324", raw_324);
462 register_irc_function("367", raw_367);
463 register_irc_function("INVITE", raw_invite);
464 register_irc_function("NOTICE", raw_notice);
465 register_irc_function("TOPIC", raw_topic);
466 register_irc_function("KICK", raw_kick);
467 register_irc_function("PART", raw_part);
468 register_irc_function("QUIT", raw_quit);
469 register_irc_function("JOIN", raw_join);
470 register_irc_function("MODE", raw_mode);
471 register_irc_function("NICK", raw_nick);
472 register_irc_function("354", raw_354);
473 register_irc_function("315", raw_315);
474 register_irc_function("PING", raw_ping);
475 register_irc_function("PRIVMSG", raw_privmsg);
479 struct irc_cmd *cmd, *next;
480 for(cmd = irc_commands; cmd; cmd = next) {
486 void reply(struct ClientSocket *client, struct UserNode *user, const char *text, ...) {
487 const char *reply_format = get_language_string(user, text);
488 if(reply_format == NULL)
490 loadUserSettings(user);
491 char formatBuf[MAXLEN];
492 sprintf(formatBuf, "%s %s :%s", ((user->flags & USERFLAG_REPLY_PRIVMSG) ? "PRIVMSG" : "NOTICE"), user->nick, reply_format);
494 char sendBuf[MAXLEN];
496 if (!(client->flags & SOCKET_FLAG_CONNECTED)) return;
498 va_start(arg_list, text);
499 pos = vsnprintf(sendBuf, MAXLEN - 2, formatBuf, arg_list);
501 if (pos < 0 || pos > (MAXLEN - 2)) pos = MAXLEN - 2;
503 sendBuf[pos+1] = '\0';
504 write_socket(client, sendBuf, pos+1);
507 char* merge_argv(char **argv, int start, int end) {
508 return merge_argv_char(argv, start, end, ' ');
511 char* merge_argv_char(char **argv, int start, int end, char seperator) {
514 for(i = start; i < end; i++) {