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1 | /* proto-bahamut.c - IRC protocol output | |
2 | * Copyright 2000-2004 srvx Development Team | |
3 | * | |
4 | * This file is part of srvx. | |
5 | * | |
6 | * srvx is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with srvx; if not, write to the Free Software Foundation, | |
18 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
19 | */ | |
20 | ||
21 | #include "proto-common.c" | |
22 | ||
23 | #define CAPAB_TS3 0x01 | |
24 | #define CAPAB_NOQUIT 0x02 | |
25 | #define CAPAB_SSJOIN 0x04 | |
26 | #define CAPAB_BURST 0x08 | |
27 | #define CAPAB_UNCONNECT 0x10 | |
28 | #define CAPAB_NICKIP 0x20 | |
29 | #define CAPAB_TSMODE 0x40 | |
30 | #define CAPAB_ZIP 0x80 | |
31 | ||
32 | struct service_message_info { | |
33 | privmsg_func_t on_privmsg; | |
34 | privmsg_func_t on_notice; | |
35 | }; | |
36 | ||
37 | static dict_t service_msginfo_dict; /* holds service_message_info structs */ | |
38 | static int uplink_capab; | |
39 | static void privmsg_user_helper(struct userNode *un, void *data); | |
40 | ||
41 | void irc_svsmode(struct userNode *target, char *modes, unsigned long stamp); | |
42 | ||
43 | struct server * | |
44 | AddServer(struct server *uplink, const char *name, int hops, time_t boot, time_t link, UNUSED_ARG(const char *numeric), const char *description) { | |
45 | struct server* sNode; | |
46 | ||
47 | sNode = calloc(1, sizeof(*sNode)); | |
48 | sNode->uplink = uplink; | |
49 | safestrncpy(sNode->name, name, sizeof(sNode->name)); | |
50 | sNode->hops = hops; | |
51 | sNode->boot = boot; | |
52 | sNode->link = link; | |
53 | sNode->users = dict_new(); | |
54 | safestrncpy(sNode->description, description, sizeof(sNode->description)); | |
55 | serverList_init(&sNode->children); | |
56 | if (sNode->uplink) { | |
57 | /* uplink may be NULL if we're just building ourself */ | |
58 | serverList_append(&sNode->uplink->children, sNode); | |
59 | } | |
60 | dict_insert(servers, sNode->name, sNode); | |
61 | ||
62 | if (hops && !self->burst) { | |
63 | unsigned int n; | |
64 | for (n=0; n<slf_used; n++) { | |
65 | slf_list[n](sNode); | |
66 | } | |
67 | } | |
68 | ||
69 | return sNode; | |
70 | } | |
71 | ||
72 | void | |
73 | DelServer(struct server* serv, int announce, const char *message) { | |
74 | unsigned int nn; | |
75 | dict_iterator_t it, next; | |
76 | ||
77 | if (!serv) return; | |
78 | if (announce && (serv->uplink == self) && (serv != self->uplink)) { | |
79 | irc_squit(serv, message, NULL); | |
80 | } | |
81 | for (nn=serv->children.used; nn>0;) { | |
82 | if (serv->children.list[--nn] != self) { | |
83 | DelServer(serv->children.list[nn], false, "uplink delinking"); | |
84 | } | |
85 | } | |
86 | for (it=dict_first(serv->users); it; it=next) { | |
87 | next = iter_next(it); | |
88 | DelUser(iter_data(it), NULL, false, "server delinking"); | |
89 | } | |
90 | if (serv->uplink) serverList_remove(&serv->uplink->children, serv); | |
91 | if (serv == self->uplink) self->uplink = NULL; | |
92 | dict_remove(servers, serv->name); | |
93 | serverList_clean(&serv->children); | |
94 | dict_delete(serv->users); | |
95 | free(serv); | |
96 | } | |
97 | ||
98 | int | |
99 | is_valid_nick(const char *nick) { | |
100 | /* IRC has some of The Most Fucked-Up ideas about character sets | |
101 | * in the world.. */ | |
102 | if ((*nick < 'A') || (*nick >= '~')) return 0; | |
103 | for (++nick; *nick; ++nick) { | |
104 | if (!((*nick >= 'A') && (*nick < '~')) | |
105 | && !isdigit(*nick) | |
106 | && (*nick != '-')) { | |
107 | return 0; | |
108 | } | |
109 | } | |
110 | if (strlen(nick) > nicklen) return 0; | |
111 | return 1; | |
112 | } | |
113 | ||
114 | struct userNode * | |
115 | AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *userinfo, time_t timestamp, struct in_addr realip, const char *stamp) { | |
116 | struct userNode *uNode, *oldUser; | |
117 | unsigned int nn; | |
118 | ||
119 | if (!uplink) { | |
120 | log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server does not exist!", uplink, nick); | |
121 | return NULL; | |
122 | } | |
123 | ||
124 | if (!is_valid_nick(nick)) { | |
125 | log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick); | |
126 | return NULL; | |
127 | } | |
128 | ||
129 | if ((oldUser = GetUserH(nick))) { | |
130 | if (IsLocal(oldUser) && IsService(oldUser)) { | |
131 | /* The service should collide the new user off. */ | |
132 | oldUser->timestamp = timestamp - 1; | |
133 | irc_user(oldUser); | |
134 | } | |
135 | if (oldUser->timestamp > timestamp) { | |
136 | /* "Old" user is really newer; remove them */ | |
137 | DelUser(oldUser, 0, 1, "Overruled by older nick"); | |
138 | } else { | |
139 | /* User being added is too new */ | |
140 | return NULL; | |
141 | } | |
142 | } | |
143 | ||
144 | uNode = calloc(1, sizeof(*uNode)); | |
145 | uNode->nick = strdup(nick); | |
146 | safestrncpy(uNode->ident, ident, sizeof(uNode->ident)); | |
147 | safestrncpy(uNode->info, userinfo, sizeof(uNode->info)); | |
148 | safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname)); | |
149 | uNode->ip = realip; | |
150 | uNode->timestamp = timestamp; | |
151 | modeList_init(&uNode->channels); | |
152 | uNode->uplink = uplink; | |
153 | dict_insert(uplink->users, uNode->nick, uNode); | |
154 | if (++uNode->uplink->clients > uNode->uplink->max_clients) { | |
155 | uNode->uplink->max_clients = uNode->uplink->clients; | |
156 | } | |
157 | ||
158 | dict_insert(clients, uNode->nick, uNode); | |
159 | if (dict_size(clients) > max_clients) { | |
160 | max_clients = dict_size(clients); | |
161 | max_clients_time = now; | |
162 | } | |
163 | ||
164 | mod_usermode(uNode, modes); | |
165 | if (stamp) call_account_func(uNode, stamp); | |
166 | if (IsLocal(uNode)) irc_user(uNode); | |
167 | for (nn=0; nn<nuf_used; nn++) { | |
168 | if (nuf_list[nn](uNode)) break; | |
169 | } | |
170 | return uNode; | |
171 | } | |
172 | ||
173 | struct userNode * | |
174 | AddService(const char *nick, const char *modes, const char *desc, const char *hostname) { | |
175 | time_t timestamp = now; | |
176 | struct userNode *old_user = GetUserH(nick); | |
177 | struct in_addr ipaddr = { INADDR_LOOPBACK }; | |
178 | if (old_user) { | |
179 | if (IsLocal(old_user)) | |
180 | return old_user; | |
181 | timestamp = old_user->timestamp - 1; | |
182 | } | |
183 | if (!hostname) | |
184 | hostname = self->name; | |
185 | return AddUser(self, nick, nick, hostname, modes ? modes : "+oikr", desc, timestamp, ipaddr, 0); | |
186 | } | |
187 | ||
188 | struct userNode * | |
189 | AddClone(const char *nick, const char *ident, const char *hostname, const char *desc) { | |
190 | time_t timestamp = now; | |
191 | struct userNode *old_user = GetUserH(nick); | |
192 | struct in_addr ipaddr = { INADDR_LOOPBACK }; | |
193 | if (old_user) { | |
194 | if (IsLocal(old_user)) | |
195 | return old_user; | |
196 | timestamp = old_user->timestamp - 1; | |
197 | } | |
198 | return AddUser(self, nick, ident, hostname, "+ir", desc, timestamp, ipaddr, 0); | |
199 | } | |
200 | ||
201 | void | |
202 | free_user(struct userNode *user) | |
203 | { | |
204 | free(user->nick); | |
205 | free(user); | |
206 | } | |
207 | ||
208 | void | |
209 | DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why) { | |
210 | unsigned int nn; | |
211 | ||
212 | for (nn=user->channels.used; nn>0;) { | |
213 | DelChannelUser(user, user->channels.list[--nn]->channel, false, 0); | |
214 | } | |
215 | for (nn=duf_used; nn>0; ) duf_list[--nn](user, killer, why); | |
216 | user->uplink->clients--; | |
217 | dict_remove(user->uplink->users, user->nick); | |
218 | if (IsOper(user)) userList_remove(&curr_opers, user); | |
219 | if (IsInvisible(user)) invis_clients--; | |
220 | if (user == dict_find(clients, user->nick, NULL)) dict_remove(clients, user->nick); | |
221 | if (announce) { | |
222 | if (IsLocal(user)) { | |
223 | irc_quit(user, why); | |
224 | } else { | |
225 | irc_kill(killer, user, why); | |
226 | } | |
227 | } | |
228 | modeList_clean(&user->channels); | |
229 | user->dead = 1; | |
230 | if (dead_users.size) { | |
231 | userList_append(&dead_users, user); | |
232 | } else { | |
233 | free_user(user); | |
234 | } | |
235 | } | |
236 | ||
237 | void | |
238 | irc_server(struct server *srv) { | |
239 | if (srv == self) { | |
240 | putsock("SERVER %s %d :%s", srv->name, srv->hops, srv->description); | |
241 | } else { | |
242 | putsock(":%s SERVER %s %d :%s", self->name, srv->name, srv->hops, srv->description); | |
243 | } | |
244 | } | |
245 | ||
246 | void | |
247 | irc_user(struct userNode *user) { | |
248 | char modes[32]; | |
249 | int modelen = 0; | |
250 | if (IsOper(user)) modes[modelen++] = 'o'; | |
251 | if (IsInvisible(user)) modes[modelen++] = 'i'; | |
252 | if (IsWallOp(user)) modes[modelen++] = 'w'; | |
253 | if (IsService(user)) modes[modelen++] = 'k'; | |
254 | if (IsServNotice(user)) modes[modelen++] = 's'; | |
255 | if (IsDeaf(user)) modes[modelen++] = 'd'; | |
256 | if (IsReggedNick(user)) modes[modelen++] = 'r'; | |
257 | if (IsGlobal(user)) modes[modelen++] = 'g'; | |
258 | modes[modelen] = 0; | |
259 | putsock("NICK %s %d "FMT_TIME_T" +%s %s %s %s %d %u :%s", | |
260 | user->nick, user->uplink->hops+2, user->timestamp, modes, | |
261 | user->ident, user->hostname, user->uplink->name, 0, ntohl(user->ip.s_addr), user->info); | |
262 | } | |
263 | ||
264 | void | |
265 | irc_account(struct userNode *user, const char *stamp, time_t timestamp) | |
266 | { | |
267 | if (IsReggedNick(user)) { | |
268 | irc_svsmode(user, "+rd", base64toint(stamp, IDLEN)); | |
269 | } else { | |
270 | irc_svsmode(user, "+d", base64toint(stamp, IDLEN)); | |
271 | } | |
272 | } | |
273 | ||
274 | void | |
275 | irc_fakehost(UNUSED_ARG(struct userNode *user), UNUSED_ARG(const char *host)) | |
276 | { | |
277 | /* not supported in bahamut */ | |
278 | } | |
279 | ||
280 | void | |
281 | irc_regnick(struct userNode *user) | |
282 | { | |
283 | if (IsReggedNick(user)) { | |
284 | irc_svsmode(user, "+r", 0); | |
285 | } else { | |
286 | irc_svsmode(user, "-r", 0); | |
287 | } | |
288 | } | |
289 | ||
290 | void | |
291 | irc_nick(struct userNode *user, const char *old_nick) { | |
292 | if (user->uplink == self) { | |
293 | /* update entries in PRIVMSG/NOTICE handlers (if they exist) */ | |
294 | struct service_message_info *smi = dict_find(service_msginfo_dict, user->nick, NULL); | |
295 | if (smi) { | |
296 | dict_remove2(service_msginfo_dict, old_nick, 1); | |
297 | dict_insert(service_msginfo_dict, user->nick, smi); | |
298 | } | |
299 | } | |
300 | putsock(":%s NICK %s :"FMT_TIME_T, old_nick, user->nick, user->timestamp); | |
301 | } | |
302 | ||
303 | void | |
304 | irc_pass(const char *passwd) { | |
305 | putsock("PASS %s :TS", passwd); | |
306 | } | |
307 | ||
308 | void | |
309 | irc_capab() { | |
310 | putsock("CAPAB TS3 NOQUIT SSJOIN BURST UNCONNECT NICKIP TSMODE"); | |
311 | } | |
312 | ||
313 | void | |
314 | irc_svinfo() { | |
315 | putsock("SVINFO 3 3 0 :"FMT_TIME_T, now); | |
316 | } | |
317 | ||
318 | void | |
319 | irc_introduce(const char *passwd) { | |
320 | extern time_t burst_begin; | |
321 | ||
322 | irc_pass(passwd); | |
323 | irc_capab(); | |
324 | irc_server(self); | |
325 | irc_svinfo(); | |
326 | burst_length = 0; | |
327 | burst_begin = now; | |
328 | timeq_add(now + ping_freq, timed_send_ping, 0); | |
329 | } | |
330 | ||
331 | void | |
332 | irc_ping(const char *something) { | |
333 | putsock("PING :%s", something); | |
334 | } | |
335 | ||
336 | void | |
337 | irc_pong(const char *who, const char *data) { | |
338 | putsock(":%s PONG %s :%s", self->name, who, data); | |
339 | } | |
340 | ||
341 | void | |
342 | irc_quit(struct userNode *user, const char *message) { | |
343 | putsock(":%s QUIT :%s", user->nick, message); | |
344 | } | |
345 | ||
346 | void | |
347 | irc_squit(struct server *srv, const char *message, const char *service_message) { | |
348 | if (!service_message) service_message = message; | |
349 | /* If we're leaving the network, QUIT all our clients. */ | |
350 | if ((srv == self) && (cManager.uplink->state == CONNECTED)) { | |
351 | dict_iterator_t it; | |
352 | for (it = dict_first(srv->users); it; it = iter_next(it)) { | |
353 | irc_quit(iter_data(it), service_message); | |
354 | } | |
355 | } | |
356 | putsock(":%s SQUIT %s 0 :%s", self->name, srv->name, message); | |
357 | if (srv == self) { | |
358 | /* Reconnect to the currently selected server. */ | |
359 | cManager.uplink->tries = 0; | |
360 | log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message); | |
361 | close_socket(); | |
362 | } | |
363 | } | |
364 | ||
365 | void | |
366 | irc_privmsg(struct userNode *from, const char *to, const char *message) { | |
367 | putsock(":%s PRIVMSG %s :%s", from->nick, to, message); | |
368 | } | |
369 | ||
370 | void | |
371 | irc_notice(struct userNode *from, const char *to, const char *message) { | |
372 | putsock(":%s NOTICE %s :%s", from->nick, to, message); | |
373 | } | |
374 | ||
375 | void | |
376 | irc_notice_user(struct userNode *from, struct userNode *to, const char *message) { | |
377 | putsock(":%s NOTICE %s :%s", from->nick, to->nick, message); | |
378 | } | |
379 | ||
380 | void | |
381 | irc_wallchops(UNUSED_ARG(struct userNode *from), UNUSED_ARG(const char *to), UNUSED_ARG(const char *message)) { | |
382 | } | |
383 | ||
384 | void | |
385 | irc_join(struct userNode *who, struct chanNode *what) { | |
386 | if (what->members.used == 1) { | |
387 | putsock(":%s SJOIN "FMT_TIME_T" %s + :@%s", self->name, what->timestamp, what->name, who->nick); | |
388 | } else { | |
389 | putsock(":%s SJOIN "FMT_TIME_T" %s", who->nick, what->timestamp, what->name); | |
390 | } | |
391 | } | |
392 | ||
393 | void | |
394 | irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to) { | |
395 | putsock(":%s INVITE %s %s", from->nick, who->nick, to->name); | |
396 | } | |
397 | ||
398 | void | |
399 | irc_mode(struct userNode *who, struct chanNode *target, const char *modes) { | |
400 | putsock(":%s MODE %s "FMT_TIME_T" %s", who->nick, target->name, target->timestamp, modes); | |
401 | } | |
402 | ||
403 | void | |
404 | irc_svsmode(struct userNode *target, char *modes, unsigned long stamp) { | |
405 | extern struct userNode *nickserv; | |
406 | if (stamp) { | |
407 | putsock(":%s SVSMODE %s "FMT_TIME_T" %s %lu", nickserv->nick, target->nick, target->timestamp, modes, stamp); | |
408 | } else { | |
409 | putsock(":%s SVSMODE %s "FMT_TIME_T" %s", nickserv->nick, target->nick, target->timestamp, modes); | |
410 | } | |
411 | } | |
412 | ||
413 | void | |
414 | irc_kick(struct userNode *who, struct userNode *target, struct chanNode *from, const char *msg) { | |
415 | putsock(":%s KICK %s %s :%s", who->nick, from->name, target->nick, msg); | |
416 | ChannelUserKicked(who, target, from); | |
417 | } | |
418 | ||
419 | void | |
420 | irc_part(struct userNode *who, struct chanNode *what, const char *reason) { | |
421 | if (reason) { | |
422 | putsock(":%s PART %s :%s", who->nick, what->name, reason); | |
423 | } else { | |
424 | putsock(":%s PART %s", who->nick, what->name); | |
425 | } | |
426 | } | |
427 | ||
428 | void | |
429 | irc_topic(struct userNode *who, struct chanNode *what, const char *topic) { | |
430 | putsock(":%s TOPIC %s :%s", who->nick, what->name, topic); | |
431 | } | |
432 | ||
433 | void | |
434 | irc_fetchtopic(struct userNode *from, const char *to) { | |
435 | if (!from || !to) return; | |
436 | putsock(":%s TOPIC %s", from->nick, to); | |
437 | } | |
438 | ||
439 | void | |
440 | irc_gline(struct server *srv, struct gline *gline) { | |
441 | char host[HOSTLEN+1], ident[USERLEN+1], *sep; | |
442 | unsigned int len; | |
443 | if (srv) { | |
444 | log_module(MAIN_LOG, LOG_WARNING, "%s tried to send a targeted G-line for %s (not supported by protocol!)", gline->issuer, gline->target); | |
445 | return; | |
446 | } | |
447 | if (!(sep = strchr(gline->target, '@'))) { | |
448 | log_module(MAIN_LOG, LOG_ERROR, "%s tried to add G-line with bad mask %s", gline->issuer, gline->target); | |
449 | return; | |
450 | } | |
451 | len = sep - gline->target + 1; | |
452 | if (len > ArrayLength(ident)) len = ArrayLength(ident); | |
453 | safestrncpy(ident, gline->target, len); | |
454 | safestrncpy(host, sep+1, ArrayLength(host)); | |
455 | putsock(":%s AKILL %s %s "FMT_TIME_T" %s "FMT_TIME_T" :%s", self->name, host, ident, gline->expires-gline->issued, gline->issuer, gline->issued, gline->reason); | |
456 | } | |
457 | ||
458 | void | |
459 | irc_settime(UNUSED_ARG(const char *srv_name_mask), UNUSED_ARG(time_t new_time)) | |
460 | { | |
461 | /* Bahamut has nothing like this, so ignore it. */ | |
462 | } | |
463 | ||
464 | void | |
465 | irc_ungline(const char *mask) { | |
466 | char host[HOSTLEN+1], ident[USERLEN+1], *sep; | |
467 | unsigned int len; | |
468 | if (!(sep = strchr(mask, '@'))) { | |
469 | log_module(MAIN_LOG, LOG_ERROR, "Tried to remove G-line with bad mask %s", mask); | |
470 | return; | |
471 | } | |
472 | len = sep - mask + 1; | |
473 | if (len > ArrayLength(ident)) len = ArrayLength(ident); | |
474 | safestrncpy(ident, mask, len); | |
475 | safestrncpy(host, sep+1, ArrayLength(host)); | |
476 | putsock(":%s RAKILL %s %s", self->name, host, ident); | |
477 | } | |
478 | ||
479 | void | |
480 | irc_error(const char *to, const char *message) { | |
481 | if (to) { | |
482 | putsock("%s ERROR :%s", to, message); | |
483 | } else { | |
484 | putsock(":%s ERROR :%s", self->name, message); | |
485 | } | |
486 | } | |
487 | ||
488 | void | |
489 | irc_kill(struct userNode *from, struct userNode *target, const char *message) { | |
490 | if (from) { | |
491 | putsock(":%s KILL %s :%s!%s (%s)", from->nick, target->nick, self->name, from->nick, message); | |
492 | } else { | |
493 | putsock(":%s KILL %s :%s (%s)", self->name, target->nick, self->name, message); | |
494 | } | |
495 | } | |
496 | ||
497 | void | |
498 | irc_raw(const char *what) { | |
499 | putsock("%s", what); | |
500 | } | |
501 | ||
502 | void | |
503 | irc_stats(struct userNode *from, struct server *target, char type) { | |
504 | putsock(":%s STATS %c :%s", from->nick, type, target->name); | |
505 | } | |
506 | ||
507 | void | |
508 | irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick) | |
509 | { | |
510 | putsock(":%s SVSNICK %s %s :"FMT_TIME_T, from->nick, target->nick, newnick, now); | |
511 | } | |
512 | ||
513 | void | |
514 | irc_numeric(struct userNode *user, unsigned int num, const char *format, ...) { | |
515 | va_list arg_list; | |
516 | char buffer[MAXLEN]; | |
517 | va_start(arg_list, format); | |
518 | vsnprintf(buffer, MAXLEN-2, format, arg_list); | |
519 | buffer[MAXLEN-1] = 0; | |
520 | putsock(":%s %03d %s %s", self->name, num, user->nick, buffer); | |
521 | } | |
522 | ||
523 | static void | |
524 | parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data) { | |
525 | char *j, old; | |
526 | do { | |
527 | j = target_list; | |
528 | while (*j != 0 && *j != ',') j++; | |
529 | old = *j; | |
530 | *j = 0; | |
531 | if (IsChannelName(target_list)) { | |
532 | struct chanNode *chan = GetChannel(target_list); | |
533 | if (chan) { | |
534 | if (cf) cf(chan, data); | |
535 | } else { | |
536 | if (nc) nc(target_list, data); | |
537 | } | |
538 | } else { | |
539 | struct userNode *user; | |
540 | struct privmsg_desc *pd = data; | |
541 | ||
542 | pd->is_qualified = 0; | |
543 | if (*target_list == '@') { | |
544 | user = NULL; | |
545 | } else if (strchr(target_list, '@')) { | |
546 | struct server *server; | |
547 | ||
548 | pd->is_qualified = 1; | |
549 | user = GetUserH(strtok(target_list, "@")); | |
550 | server = GetServerH(strtok(NULL, "@")); | |
551 | ||
552 | if (user && (user->uplink != server)) { | |
553 | /* Don't attempt to index into any arrays | |
554 | using a user's numeric on another server. */ | |
555 | user = NULL; | |
556 | } | |
557 | } else { | |
558 | user = GetUserH(target_list); | |
559 | } | |
560 | ||
561 | if (user) { | |
562 | if (uf) uf(user, data); | |
563 | } else { | |
564 | if (nu) nu(target_list, data); | |
565 | } | |
566 | } | |
567 | target_list = j+1; | |
568 | } while (old == ','); | |
569 | } | |
570 | ||
571 | static CMD_FUNC(cmd_notice) { | |
572 | struct privmsg_desc pd; | |
573 | if ((argc < 3) || !origin) return 0; | |
574 | if (!(pd.user = GetUserH(origin))) return 1; | |
575 | if (IsGagged(pd.user) && !IsOper(pd.user)) return 1; | |
576 | pd.is_notice = 1; | |
577 | pd.text = argv[2]; | |
578 | parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd); | |
579 | return 1; | |
580 | } | |
581 | ||
582 | static CMD_FUNC(cmd_privmsg) { | |
583 | struct privmsg_desc pd; | |
584 | if ((argc < 3) || !origin) return 0; | |
585 | if (!(pd.user = GetUserH(origin))) return 1; | |
586 | if (IsGagged(pd.user) && !IsOper(pd.user)) return 1; | |
587 | pd.is_notice = 0; | |
588 | pd.text = argv[2]; | |
589 | parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd); | |
590 | return 1; | |
591 | } | |
592 | ||
593 | static CMD_FUNC(cmd_whois) { | |
594 | struct userNode *from; | |
595 | struct userNode *who; | |
596 | ||
597 | if (argc < 3) | |
598 | return 0; | |
599 | if (!(from = GetUserH(origin))) { | |
600 | log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin); | |
601 | return 0; | |
602 | } | |
603 | if(!(who = GetUserH(argv[2]))) { | |
604 | irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name); | |
605 | return 1; | |
606 | } | |
607 | if (IsHiddenHost(who) && !IsOper(from)) { | |
608 | /* Just stay quiet. */ | |
609 | return 1; | |
610 | } | |
611 | irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info); | |
612 | #ifdef WITH_PROTOCOL_P10 | |
613 | if (his_servername && his_servercomment) | |
614 | irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment); | |
615 | else | |
616 | #endif | |
617 | irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description); | |
618 | ||
619 | if (IsOper(who)) { | |
620 | irc_numeric(from, RPL_WHOISOPERATOR, "%s :is a megalomaniacal power hungry tyrant", who->nick); | |
621 | } | |
622 | irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick); | |
623 | return 1; | |
624 | } | |
625 | ||
626 | static CMD_FUNC(cmd_capab) { | |
627 | static const struct { | |
628 | const char *name; | |
629 | unsigned int mask; | |
630 | } capabs[] = { | |
631 | { "TS3", CAPAB_TS3 }, | |
632 | { "NOQUIT", CAPAB_NOQUIT }, | |
633 | { "SSJOIN", CAPAB_SSJOIN }, | |
634 | { "BURST", CAPAB_BURST }, | |
635 | { "UNCONNECT", CAPAB_UNCONNECT }, | |
636 | { "NICKIP", CAPAB_NICKIP }, | |
637 | { "TSMODE", CAPAB_TSMODE }, | |
638 | { "ZIP", CAPAB_ZIP }, | |
639 | { NULL, 0 } | |
640 | }; | |
641 | unsigned int nn, mm; | |
642 | ||
643 | uplink_capab = 0; | |
644 | for(nn=1; nn<argc; nn++) { | |
645 | for (mm=0; capabs[mm].name && irccasecmp(capabs[mm].name, argv[nn]); mm++) ; | |
646 | if (capabs[mm].name) { | |
647 | uplink_capab |= capabs[mm].mask; | |
648 | } else { | |
649 | log_module(MAIN_LOG, LOG_INFO, "Saw unrecognized/unhandled capability %s. Please notify srvx developers so they can add it.", argv[nn]); | |
650 | } | |
651 | } | |
652 | return 1; | |
653 | } | |
654 | ||
655 | static void burst_channel(struct chanNode *chan) { | |
656 | char line[510]; | |
657 | int pos, base_len, len, queued; | |
658 | unsigned int nn; | |
659 | ||
660 | if (!chan->members.used) return; | |
661 | /* send list of users in the channel.. */ | |
662 | base_len = sprintf(line, ":%s SJOIN "FMT_TIME_T" %s ", self->name, chan->timestamp, chan->name); | |
663 | len = irc_make_chanmode(chan, line+base_len); | |
664 | pos = base_len + len; | |
665 | line[pos++] = ' '; | |
666 | line[pos++] = ':'; | |
667 | for (nn=0; nn<chan->members.used; nn++) { | |
668 | struct modeNode *mn = chan->members.list[nn]; | |
669 | len = strlen(mn->user->nick); | |
670 | if (pos + len > 500) { | |
671 | line[pos-1] = 0; | |
672 | putsock("%s", line); | |
673 | pos = base_len; | |
674 | line[pos++] = '0'; | |
675 | line[pos++] = ' '; | |
676 | line[pos++] = ':'; | |
677 | } | |
678 | if (mn->modes & MODE_CHANOP) line[pos++] = '@'; | |
679 | if (mn->modes & MODE_VOICE) line[pos++] = '+'; | |
680 | memcpy(line+pos, mn->user->nick, len); | |
681 | pos = pos + len; | |
682 | line[pos++] = ' '; | |
683 | } | |
684 | /* print the last line */ | |
685 | line[pos] = 0; | |
686 | putsock("%s", line); | |
687 | /* now send the bans.. */ | |
688 | base_len = sprintf(line, ":%s MODE "FMT_TIME_T" %s +", self->name, chan->timestamp, chan->name); | |
689 | pos = sizeof(line)-1; | |
690 | line[pos] = 0; | |
691 | for (nn=queued=0; nn<chan->banlist.used; nn++) { | |
692 | struct banNode *bn = chan->banlist.list[nn]; | |
693 | len = strlen(bn->ban); | |
694 | if (pos < base_len+queued+len+4) { | |
695 | while (queued) { | |
696 | line[--pos] = 'b'; | |
697 | queued--; | |
698 | } | |
699 | putsock("%s%s", line, line+pos); | |
700 | pos = sizeof(line)-1; | |
701 | } | |
702 | pos -= len; | |
703 | memcpy(line+pos, bn->ban, len); | |
704 | line[--pos] = ' '; | |
705 | queued++; | |
706 | } | |
707 | if (queued) { | |
708 | while (queued) { | |
709 | line[--pos] = 'b'; | |
710 | queued--; | |
711 | } | |
712 | putsock("%s%s", line, line+pos); | |
713 | } | |
714 | } | |
715 | ||
716 | static void send_burst() { | |
717 | dict_iterator_t it; | |
718 | for (it = dict_first(servers); it; it = iter_next(it)) { | |
719 | struct server *serv = iter_data(it); | |
720 | if ((serv != self) && (serv != self->uplink)) irc_server(serv); | |
721 | } | |
722 | putsock("BURST"); | |
723 | for (it = dict_first(clients); it; it = iter_next(it)) { | |
724 | irc_user(iter_data(it)); | |
725 | } | |
726 | for (it = dict_first(channels); it; it = iter_next(it)) { | |
727 | burst_channel(iter_data(it)); | |
728 | } | |
729 | /* Uplink will do AWAY and TOPIC bursts before sending BURST 0, but we don't */ | |
730 | putsock("BURST 0"); | |
731 | } | |
732 | ||
733 | static CMD_FUNC(cmd_server) { | |
734 | if (argc < 4) return 0; | |
735 | if (origin) { | |
736 | AddServer(GetServerH(origin), argv[1], atoi(argv[2]), 0, now, 0, argv[3]); | |
737 | } else { | |
738 | self->uplink = AddServer(self, argv[1], atoi(argv[2]), 0, now, 0, argv[3]); | |
739 | } | |
740 | return 1; | |
741 | } | |
742 | ||
743 | static CMD_FUNC(cmd_svinfo) { | |
744 | if (argc < 5) return 0; | |
745 | if ((atoi(argv[1]) < 3) || (atoi(argv[2]) > 3)) return 0; | |
746 | /* TODO: something with the timestamp we get from the other guy */ | |
747 | send_burst(); | |
748 | return 1; | |
749 | } | |
750 | ||
751 | static CMD_FUNC(cmd_ping) | |
752 | { | |
753 | irc_pong(self->name, argc > 1 ? argv[1] : origin); | |
754 | timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA); | |
755 | timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA); | |
756 | timeq_add(now + ping_freq, timed_send_ping, 0); | |
757 | received_ping(); | |
758 | return 1; | |
759 | } | |
760 | ||
761 | static CMD_FUNC(cmd_burst) { | |
762 | struct server *sender = GetServerH(origin); | |
763 | if (!sender) return 0; | |
764 | if (argc == 1) return 1; | |
765 | if (sender == self->uplink) { | |
766 | cManager.uplink->state = CONNECTED; | |
767 | } | |
768 | sender->self_burst = 0; | |
769 | recalc_bursts(sender); | |
770 | return 1; | |
771 | } | |
772 | ||
773 | static CMD_FUNC(cmd_nick) { | |
774 | struct userNode *un; | |
775 | if ((un = GetUserH(origin))) { | |
776 | /* nick change */ | |
777 | if (argc < 2) return 0; | |
778 | NickChange(un, argv[1], 1); | |
779 | } else { | |
780 | /* new nick from a server */ | |
781 | char id[8]; | |
782 | unsigned long stamp; | |
783 | struct in_addr ip; | |
784 | ||
785 | if (argc < 10) return 0; | |
786 | stamp = strtoul(argv[8], NULL, 0); | |
787 | if (stamp) inttobase64(id, stamp, IDLEN); | |
788 | ip.s_addr = (argc > 10) ? atoi(argv[9]) : 0; | |
789 | un = AddUser(GetServerH(argv[7]), argv[1], argv[5], argv[6], argv[4], argv[argc-1], atoi(argv[3]), ip, (stamp ? id : 0)); | |
790 | } | |
791 | return 1; | |
792 | } | |
793 | ||
794 | static CMD_FUNC(cmd_sjoin) { | |
795 | struct chanNode *cNode; | |
796 | struct userNode *uNode; | |
797 | struct modeNode *mNode; | |
798 | unsigned int next = 4, last; | |
799 | char *nick, *nickend; | |
800 | ||
801 | if ((argc == 3) && (uNode = GetUserH(origin))) { | |
802 | /* normal JOIN */ | |
803 | if (!(cNode = GetChannel(argv[2]))) { | |
804 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find SJOIN target %s", argv[2]); | |
805 | return 0; | |
806 | } | |
807 | AddChannelUser(uNode, cNode); | |
808 | return 1; | |
809 | } | |
810 | if (argc < 5) return 0; | |
811 | if (argv[3][0] == '+') { | |
812 | char modes[MAXLEN], *pos; | |
813 | int n_modes; | |
814 | for (pos = argv[3], n_modes = 1; *pos; pos++) { | |
815 | if ((*pos == 'k') || (*pos == 'l')) n_modes++; | |
816 | } | |
817 | unsplit_string(argv+3, n_modes, modes); | |
818 | cNode = AddChannel(argv[2], atoi(argv[1]), modes, NULL); | |
819 | } else if (argv[3][0] == '0') { | |
820 | cNode = GetChannel(argv[2]); | |
821 | } else { | |
822 | log_module(MAIN_LOG, LOG_ERROR, "Unsure how to handle SJOIN when arg 3 is %s", argv[3]); | |
823 | return 0; | |
824 | } | |
825 | ||
826 | /* argv[next] is now the space-delimited, @+-prefixed list of | |
827 | * nicks in the channel. Split it and add the users. */ | |
828 | for (last = 0, nick = argv[next]; !last; nick = nickend + 1) { | |
829 | int mode = 0; | |
830 | for (nickend = nick; *nickend && (*nickend != ' '); nickend++) ; | |
831 | if (!*nickend) last = 1; | |
832 | *nickend = 0; | |
833 | if (*nick == '@') { mode |= MODE_CHANOP; nick++; } | |
834 | if (*nick == '+') { mode |= MODE_VOICE; nick++; } | |
835 | if ((uNode = GetUserH(nick)) && (mNode = AddChannelUser(uNode, cNode))) { | |
836 | mNode->modes = mode; | |
837 | } | |
838 | } | |
839 | return 1; | |
840 | } | |
841 | ||
842 | static CMD_FUNC(cmd_mode) { | |
843 | struct userNode *un; | |
844 | ||
845 | if (argc < 2) { | |
846 | log_module(MAIN_LOG, LOG_ERROR, "Illegal MODE from %s (no arguments).", origin); | |
847 | return 0; | |
848 | } else if (IsChannelName(argv[1])) { | |
849 | struct chanNode *cn; | |
850 | struct modeNode *mn; | |
851 | ||
852 | if (!(cn = GetChannel(argv[1]))) { | |
853 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing", argv[1]); | |
854 | return 0; | |
855 | } | |
856 | ||
857 | if ((un = GetUserH(origin))) { | |
858 | /* Update idle time for the user */ | |
859 | if ((mn = GetUserMode(cn, un))) | |
860 | mn->idle_since = now; | |
861 | } else { | |
862 | /* Must be a server in burst or something. Make sure we're using the right timestamp. */ | |
863 | cn->timestamp = atoi(argv[2]); | |
864 | } | |
865 | ||
866 | return mod_chanmode(un, cn, argv+3, argc-3, MCP_ALLOW_OVB|MCP_FROM_SERVER|MC_ANNOUNCE); | |
867 | } else if ((un = GetUserH(argv[1]))) { | |
868 | mod_usermode(un, argv[2]); | |
869 | return 1; | |
870 | } else { | |
871 | log_module(MAIN_LOG, LOG_ERROR, "Not sure what MODE %s is affecting (not a channel name and no such user)", argv[1]); | |
872 | return 0; | |
873 | } | |
874 | } | |
875 | ||
876 | static CMD_FUNC(cmd_topic) { | |
877 | struct chanNode *cn; | |
878 | if (argc < 5) return 0; | |
879 | if (!(cn = GetChannel(argv[1]))) { | |
880 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]); | |
881 | return 0; | |
882 | } | |
883 | if (irccasecmp(origin, argv[2])) { | |
884 | /* coming from a topic burst; the origin is a server */ | |
885 | safestrncpy(cn->topic, argv[4], sizeof(cn->topic)); | |
886 | safestrncpy(cn->topic_nick, argv[2], sizeof(cn->topic_nick)); | |
887 | cn->topic_time = atoi(argv[3]); | |
888 | } else { | |
889 | SetChannelTopic(cn, GetUserH(argv[2]), argv[4], 0); | |
890 | } | |
891 | return 1; | |
892 | } | |
893 | ||
894 | static CMD_FUNC(cmd_part) { | |
895 | if (argc < 2) return 0; | |
896 | parse_foreach(argv[1], part_helper, NULL, NULL, NULL, GetUserH(origin)); | |
897 | return 1; | |
898 | } | |
899 | ||
900 | static CMD_FUNC(cmd_away) { | |
901 | struct userNode *un; | |
902 | ||
903 | if (!(un = GetUserH(origin))) { | |
904 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s sending AWAY", origin); | |
905 | return 0; | |
906 | } | |
907 | if (argc > 1) { | |
908 | un->modes |= FLAGS_AWAY; | |
909 | } else { | |
910 | un->modes &= ~FLAGS_AWAY; | |
911 | } | |
912 | return 1; | |
913 | } | |
914 | ||
915 | static CMD_FUNC(cmd_kick) { | |
916 | if (argc < 3) return 0; | |
917 | ChannelUserKicked(GetUserH(origin), GetUserH(argv[2]), GetChannel(argv[1])); | |
918 | return 1; | |
919 | } | |
920 | ||
921 | static CMD_FUNC(cmd_kill) { | |
922 | struct userNode *user; | |
923 | if (argc < 3) return 0; | |
924 | if (!(user = GetUserH(argv[1]))) { | |
925 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]); | |
926 | return 0; | |
927 | } | |
928 | if (IsLocal(user) && IsService(user)) { | |
929 | ReintroduceUser(user); | |
930 | } else { | |
931 | DelUser(user, GetUserH(origin), false, ((argc >= 3) ? argv[2] : NULL)); | |
932 | } | |
933 | return 1; | |
934 | } | |
935 | ||
936 | static CMD_FUNC(cmd_pong) | |
937 | { | |
938 | if (argc < 3) return 0; | |
939 | if (!strcmp(argv[2], self->name)) { | |
940 | timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA); | |
941 | timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA); | |
942 | timeq_add(now + ping_freq, timed_send_ping, 0); | |
943 | received_ping(); | |
944 | } | |
945 | return 1; | |
946 | } | |
947 | ||
948 | static CMD_FUNC(cmd_num_topic) | |
949 | { | |
950 | static struct chanNode *cn; | |
951 | ||
952 | if (!argv[0]) | |
953 | return 0; /* huh? */ | |
954 | if (argv[2]) { | |
955 | cn = GetChannel(argv[2]); | |
956 | if (!cn) { | |
957 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]); | |
958 | return 0; | |
959 | } | |
960 | } else | |
961 | return 0; | |
962 | ||
963 | switch (atoi(argv[0])) { | |
964 | case 331: | |
965 | cn->topic_time = 0; | |
966 | break; /* no topic */ | |
967 | case 332: | |
968 | if (argc < 4) | |
969 | return 0; | |
970 | safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic)); | |
971 | break; | |
972 | case 333: | |
973 | if (argc < 5) | |
974 | return 0; | |
975 | safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick)); | |
976 | cn->topic_time = atoi(argv[4]); | |
977 | break; | |
978 | default: | |
979 | return 0; /* should never happen */ | |
980 | } | |
981 | return 1; | |
982 | } | |
983 | ||
984 | static CMD_FUNC(cmd_quit) | |
985 | { | |
986 | struct userNode *user; | |
987 | if (argc < 2) return 0; | |
988 | /* Sometimes we get a KILL then a QUIT or the like, so we don't want to | |
989 | * call DelUser unless we have the user in our grasp. */ | |
990 | if ((user = GetUserH(origin))) { | |
991 | DelUser(user, NULL, false, argv[1]); | |
992 | } | |
993 | return 1; | |
994 | } | |
995 | ||
996 | static CMD_FUNC(cmd_squit) | |
997 | { | |
998 | struct server *server; | |
999 | if (argc < 3) | |
1000 | return 0; | |
1001 | if (!(server = GetServerH(argv[1]))) | |
1002 | return 0; | |
1003 | if (server == self->uplink) { | |
1004 | /* Force a reconnect to the currently selected server. */ | |
1005 | cManager.uplink->tries = 0; | |
1006 | log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]); | |
1007 | close_socket(); | |
1008 | return 1; | |
1009 | } | |
1010 | ||
1011 | DelServer(server, 0, argv[3]); | |
1012 | return 1; | |
1013 | } | |
1014 | ||
1015 | static CMD_FUNC(cmd_svsnick) | |
1016 | { | |
1017 | struct userNode *target, *dest; | |
1018 | if (argc < 4) return 0; | |
1019 | if (!(target = GetUserH(argv[1]))) return 0; | |
1020 | if (!IsLocal(target)) return 0; | |
1021 | if ((dest = GetUserH(argv[2]))) return 0; /* Note: Bahamut will /KILL instead. */ | |
1022 | NickChange(target, argv[2], 0); | |
1023 | return 1; | |
1024 | } | |
1025 | ||
1026 | static oper_func_t *of_list; | |
1027 | static unsigned int of_size = 0, of_used = 0; | |
1028 | ||
1029 | void parse_cleanup(void) { | |
1030 | unsigned int nn; | |
1031 | if (of_list) free(of_list); | |
1032 | dict_delete(irc_func_dict); | |
1033 | dict_delete(service_msginfo_dict); | |
1034 | free(mcf_list); | |
1035 | for (nn=0; nn<dead_users.used; nn++) free_user(dead_users.list[nn]); | |
1036 | userList_clean(&dead_users); | |
1037 | } | |
1038 | ||
1039 | void init_parse(void) { | |
1040 | const char *str, *desc; | |
1041 | ||
1042 | str = conf_get_data("server/ping_freq", RECDB_QSTRING); | |
1043 | ping_freq = str ? ParseInterval(str) : 120; | |
1044 | str = conf_get_data("server/ping_timeout", RECDB_QSTRING); | |
1045 | ping_timeout = str ? ParseInterval(str) : 30; | |
1046 | str = conf_get_data("server/hostname", RECDB_QSTRING); | |
1047 | desc = conf_get_data("server/description", RECDB_QSTRING); | |
1048 | if (!str || !desc) { | |
1049 | log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file."); | |
1050 | exit(1); | |
1051 | } | |
1052 | self = AddServer(NULL, str, 0, boot_time, now, NULL, desc); | |
1053 | ||
1054 | str = conf_get_data("server/ping_freq", RECDB_QSTRING); | |
1055 | ping_freq = str ? ParseInterval(str) : 120; | |
1056 | str = conf_get_data("server/ping_timeout", RECDB_QSTRING); | |
1057 | ping_timeout = str ? ParseInterval(str) : 30; | |
1058 | ||
1059 | service_msginfo_dict = dict_new(); | |
1060 | dict_set_free_data(service_msginfo_dict, free); | |
1061 | irc_func_dict = dict_new(); | |
1062 | dict_insert(irc_func_dict, "ADMIN", cmd_admin); | |
1063 | dict_insert(irc_func_dict, "AWAY", cmd_away); | |
1064 | dict_insert(irc_func_dict, "BURST", cmd_burst); | |
1065 | dict_insert(irc_func_dict, "CAPAB", cmd_capab); | |
1066 | dict_insert(irc_func_dict, "ERROR", cmd_error); | |
1067 | dict_insert(irc_func_dict, "GNOTICE", cmd_dummy); | |
1068 | dict_insert(irc_func_dict, "INVITE", cmd_dummy); | |
1069 | dict_insert(irc_func_dict, "KICK", cmd_kick); | |
1070 | dict_insert(irc_func_dict, "KILL", cmd_kill); | |
1071 | dict_insert(irc_func_dict, "LUSERSLOCK", cmd_dummy); | |
1072 | dict_insert(irc_func_dict, "MODE", cmd_mode); | |
1073 | dict_insert(irc_func_dict, "NICK", cmd_nick); | |
1074 | dict_insert(irc_func_dict, "NOTICE", cmd_notice); | |
1075 | dict_insert(irc_func_dict, "PART", cmd_part); | |
1076 | dict_insert(irc_func_dict, "PASS", cmd_pass); | |
1077 | dict_insert(irc_func_dict, "PING", cmd_ping); | |
1078 | dict_insert(irc_func_dict, "PONG", cmd_pong); | |
1079 | dict_insert(irc_func_dict, "PRIVMSG", cmd_privmsg); | |
1080 | dict_insert(irc_func_dict, "QUIT", cmd_quit); | |
1081 | dict_insert(irc_func_dict, "SERVER", cmd_server); | |
1082 | dict_insert(irc_func_dict, "SJOIN", cmd_sjoin); | |
1083 | dict_insert(irc_func_dict, "SQUIT", cmd_squit); | |
1084 | dict_insert(irc_func_dict, "STATS", cmd_stats); | |
1085 | dict_insert(irc_func_dict, "SVSNICK", cmd_svsnick); | |
1086 | dict_insert(irc_func_dict, "SVINFO", cmd_svinfo); | |
1087 | dict_insert(irc_func_dict, "TOPIC", cmd_topic); | |
1088 | dict_insert(irc_func_dict, "VERSION", cmd_version); | |
1089 | dict_insert(irc_func_dict, "WHOIS", cmd_whois); | |
1090 | dict_insert(irc_func_dict, "331", cmd_num_topic); | |
1091 | dict_insert(irc_func_dict, "332", cmd_num_topic); | |
1092 | dict_insert(irc_func_dict, "333", cmd_num_topic); | |
1093 | dict_insert(irc_func_dict, "413", cmd_num_topic); | |
1094 | ||
1095 | userList_init(&dead_users); | |
1096 | reg_exit_func(parse_cleanup); | |
1097 | } | |
1098 | ||
1099 | int parse_line(char *line, int recursive) { | |
1100 | char *argv[MAXNUMPARAMS]; | |
1101 | int argc, cmd, res; | |
1102 | cmd_func_t *func; | |
1103 | ||
1104 | argc = split_line(line, true, ArrayLength(argv), argv); | |
1105 | cmd = line[0] == ':'; | |
1106 | if ((argc > cmd) && (func = dict_find(irc_func_dict, argv[cmd], NULL))) { | |
1107 | char *origin; | |
1108 | if (cmd) { | |
1109 | origin = argv[0] + 1; | |
1110 | } else if (self->uplink) { | |
1111 | origin = self->uplink->name; | |
1112 | } else { | |
1113 | origin = NULL; | |
1114 | } | |
1115 | res = func(origin, argc-cmd, argv+cmd); | |
1116 | } else { | |
1117 | res = 0; | |
1118 | } | |
1119 | if (!res) { | |
1120 | log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL)); | |
1121 | } else if (!recursive) { | |
1122 | unsigned int i; | |
1123 | for (i=0; i<dead_users.used; i++) { | |
1124 | free_user(dead_users.list[i]); | |
1125 | } | |
1126 | dead_users.used = 0; | |
1127 | } | |
1128 | return res; | |
1129 | } | |
1130 | ||
1131 | static void | |
1132 | privmsg_user_helper(struct userNode *un, void *data) | |
1133 | { | |
1134 | struct privmsg_desc *pd = data; | |
1135 | struct service_message_info *info = dict_find(service_msginfo_dict, un->nick, 0); | |
1136 | if (info) { | |
1137 | if (pd->is_notice) { | |
1138 | if (info->on_notice) info->on_notice(pd->user, un, pd->text, pd->is_qualified); | |
1139 | } else { | |
1140 | if (info->on_privmsg) info->on_privmsg(pd->user, un, pd->text, pd->is_qualified); | |
1141 | } | |
1142 | } | |
1143 | } | |
1144 | ||
1145 | void | |
1146 | reg_privmsg_func(struct userNode *user, privmsg_func_t handler) { | |
1147 | struct service_message_info *info = dict_find(service_msginfo_dict, user->nick, NULL); | |
1148 | if (!info) { | |
1149 | info = calloc(1, sizeof(*info)); | |
1150 | dict_insert(service_msginfo_dict, user->nick, info); | |
1151 | } | |
1152 | info->on_privmsg = handler; | |
1153 | } | |
1154 | ||
1155 | void | |
1156 | reg_notice_func(struct userNode *user, privmsg_func_t handler) { | |
1157 | struct service_message_info *info = dict_find(service_msginfo_dict, user->nick, NULL); | |
1158 | if (!info) { | |
1159 | info = calloc(1, sizeof(*info)); | |
1160 | dict_insert(service_msginfo_dict, user->nick, info); | |
1161 | } | |
1162 | info->on_notice = handler; | |
1163 | } | |
1164 | ||
1165 | void | |
1166 | reg_oper_func(oper_func_t handler) | |
1167 | { | |
1168 | if (of_used == of_size) { | |
1169 | if (of_size) { | |
1170 | of_size <<= 1; | |
1171 | of_list = realloc(of_list, of_size*sizeof(oper_func_t)); | |
1172 | } else { | |
1173 | of_size = 8; | |
1174 | of_list = malloc(of_size*sizeof(oper_func_t)); | |
1175 | } | |
1176 | } | |
1177 | of_list[of_used++] = handler; | |
1178 | } | |
1179 | ||
1180 | static void | |
1181 | call_oper_funcs(struct userNode *user) | |
1182 | { | |
1183 | unsigned int n; | |
1184 | if (IsLocal(user)) return; | |
1185 | for (n=0; n<of_used; n++) | |
1186 | { | |
1187 | of_list[n](user); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | void mod_usermode(struct userNode *user, const char *mode_change) { | |
1192 | int add = 1; | |
1193 | ||
1194 | if (!user || !mode_change) return; | |
1195 | while (1) { | |
1196 | #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0) | |
1197 | switch (*mode_change++) { | |
1198 | case 0: return; | |
1199 | case '+': add = 1; break; | |
1200 | case '-': add = 0; break; | |
1201 | case 'o': | |
1202 | do_user_mode(FLAGS_OPER); | |
1203 | if (add) { | |
1204 | userList_append(&curr_opers, user); | |
1205 | call_oper_funcs(user); | |
1206 | } else { | |
1207 | userList_remove(&curr_opers, user); | |
1208 | } | |
1209 | break; | |
1210 | case 'O': do_user_mode(FLAGS_LOCOP); break; | |
1211 | case 'i': do_user_mode(FLAGS_INVISIBLE); | |
1212 | if (add) invis_clients++; else invis_clients--; | |
1213 | break; | |
1214 | case 'w': do_user_mode(FLAGS_WALLOP); break; | |
1215 | case 's': do_user_mode(FLAGS_SERVNOTICE); break; | |
1216 | case 'd': do_user_mode(FLAGS_DEAF); break; | |
1217 | case 'r': do_user_mode(FLAGS_REGNICK); break; | |
1218 | case 'k': do_user_mode(FLAGS_SERVICE); break; | |
1219 | case 'g': do_user_mode(FLAGS_GLOBAL); break; | |
1220 | case 'h': do_user_mode(FLAGS_HELPER); break; | |
1221 | } | |
1222 | #undef do_user_mode | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | struct mod_chanmode * | |
1227 | mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags) | |
1228 | { | |
1229 | struct mod_chanmode *change; | |
1230 | unsigned int ii, in_arg, ch_arg, add; | |
1231 | ||
1232 | if (argc == 0) | |
1233 | return NULL; | |
1234 | if (!(change = mod_chanmode_alloc(argc))) | |
1235 | return NULL; | |
1236 | ||
1237 | for (ii = ch_arg = 0, in_arg = add = 1; | |
1238 | (modes[0][ii] != '\0') && (modes[0][ii] != ' '); | |
1239 | ++ii) { | |
1240 | switch (modes[0][ii]) { | |
1241 | case '+': | |
1242 | add = 1; | |
1243 | break; | |
1244 | case '-': | |
1245 | add = 0; | |
1246 | break; | |
1247 | #define do_chan_mode(FLAG) do { if (add) change->modes_set |= FLAG, change->modes_clear &= ~FLAG; else change->modes_clear |= FLAG, change->modes_set &= ~FLAG; } while(0) | |
1248 | case 'R': do_chan_mode(MODE_REGONLY); break; | |
1249 | case 'D': do_chan_mode(MODE_DELAYJOINS); break; | |
1250 | case 'c': do_chan_mode(MODE_NOCOLORS); break; | |
1251 | case 'i': do_chan_mode(MODE_INVITEONLY); break; | |
1252 | case 'm': do_chan_mode(MODE_MODERATED); break; | |
1253 | case 'n': do_chan_mode(MODE_NOPRIVMSGS); break; | |
1254 | case 'p': do_chan_mode(MODE_PRIVATE); break; | |
1255 | case 's': do_chan_mode(MODE_SECRET); break; | |
1256 | case 't': do_chan_mode(MODE_TOPICLIMIT); break; | |
1257 | case 'r': | |
1258 | if (!(flags & MCP_REGISTERED)) { | |
1259 | do_chan_mode(MODE_REGISTERED); | |
1260 | } else { | |
1261 | mod_chanmode_free(change); | |
1262 | return NULL; | |
1263 | } | |
1264 | break; | |
1265 | #undef do_chan_mode | |
1266 | case 'l': | |
1267 | if (add) { | |
1268 | if (in_arg >= argc) | |
1269 | goto error; | |
1270 | change->modes_set |= MODE_LIMIT; | |
1271 | change->new_limit = atoi(modes[in_arg++]); | |
1272 | } else { | |
1273 | change->modes_clear |= MODE_LIMIT; | |
1274 | } | |
1275 | break; | |
1276 | case 'k': | |
1277 | if (add) { | |
1278 | if (in_arg >= argc) | |
1279 | goto error; | |
1280 | change->modes_set |= MODE_KEY; | |
1281 | safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key)); | |
1282 | } else { | |
1283 | change->modes_clear |= MODE_KEY; | |
1284 | if (!(flags & MCP_KEY_FREE)) { | |
1285 | if (in_arg >= argc) | |
1286 | goto error; | |
1287 | in_arg++; | |
1288 | } | |
1289 | } | |
1290 | break; | |
1291 | case 'b': | |
1292 | if (!(flags & MCP_ALLOW_OVB)) | |
1293 | goto error; | |
1294 | if (in_arg >= argc) | |
1295 | goto error; | |
1296 | change->args[ch_arg].mode = MODE_BAN; | |
1297 | if (!add) | |
1298 | change->args[ch_arg].mode |= MODE_REMOVE; | |
1299 | change->args[ch_arg++].u.hostmask = modes[in_arg++]; | |
1300 | break; | |
1301 | case 'o': case 'v': | |
1302 | { | |
1303 | struct userNode *victim; | |
1304 | if (!(flags & MCP_ALLOW_OVB)) | |
1305 | goto error; | |
1306 | if (in_arg >= argc) | |
1307 | goto error; | |
1308 | change->args[ch_arg].mode = (modes[0][ii] == 'o') ? MODE_CHANOP : MODE_VOICE; | |
1309 | if (!add) | |
1310 | change->args[ch_arg].mode |= MODE_REMOVE; | |
1311 | victim = GetUserH(modes[in_arg++]); | |
1312 | if (!victim) | |
1313 | continue; | |
1314 | if ((change->args[ch_arg].u.member = GetUserMode(channel, victim))) | |
1315 | ch_arg++; | |
1316 | break; | |
1317 | } | |
1318 | default: | |
1319 | if (!(flags & MCP_FROM_SERVER)) | |
1320 | goto error; | |
1321 | break; | |
1322 | } | |
1323 | } | |
1324 | change->argc = ch_arg; /* in case any turned out to be ignored */ | |
1325 | if (change->modes_set & MODE_SECRET) { | |
1326 | change->modes_set &= ~(MODE_PRIVATE); | |
1327 | change->modes_clear |= MODE_PRIVATE; | |
1328 | } else if (change->modes_set & MODE_PRIVATE) { | |
1329 | change->modes_set &= ~(MODE_SECRET); | |
1330 | change->modes_clear |= MODE_SECRET; | |
1331 | } | |
1332 | return change; | |
1333 | error: | |
1334 | mod_chanmode_free(change); | |
1335 | return NULL; | |
1336 | } | |
1337 | ||
1338 | struct chanmode_buffer { | |
1339 | char modes[MAXLEN]; | |
1340 | char args[MAXLEN]; | |
1341 | struct chanNode *channel; | |
1342 | struct userNode *actor; | |
1343 | unsigned int modes_used; | |
1344 | unsigned int args_used; | |
1345 | size_t chname_len; | |
1346 | unsigned int is_add : 1; | |
1347 | }; | |
1348 | ||
1349 | static void | |
1350 | mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg) | |
1351 | { | |
1352 | size_t arg_len = strlen(arg); | |
1353 | if (buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) { | |
1354 | memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used); | |
1355 | buf->modes[buf->modes_used + buf->args_used] = '\0'; | |
1356 | irc_mode(buf->actor, buf->channel, buf->modes); | |
1357 | buf->modes[0] = buf->is_add ? '+' : '-'; | |
1358 | buf->modes_used = 1; | |
1359 | buf->args_used = 0; | |
1360 | } | |
1361 | buf->modes[buf->modes_used++] = ch; | |
1362 | buf->args[buf->args_used++] = ' '; | |
1363 | memcpy(buf->args + buf->args_used, arg, arg_len); | |
1364 | buf->args_used += arg_len; | |
1365 | } | |
1366 | ||
1367 | void | |
1368 | mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change) | |
1369 | { | |
1370 | struct chanmode_buffer chbuf; | |
1371 | char int_buff[32]; | |
1372 | unsigned int arg; | |
1373 | ||
1374 | assert(change->argc <= change->alloc_argc); | |
1375 | memset(&chbuf, 0, sizeof(chbuf)); | |
1376 | chbuf.channel = channel; | |
1377 | chbuf.actor = who; | |
1378 | chbuf.chname_len = strlen(channel->name); | |
1379 | ||
1380 | /* First remove modes */ | |
1381 | chbuf.is_add = 0; | |
1382 | if (change->modes_clear) { | |
1383 | chbuf.modes[chbuf.modes_used++] = '-'; | |
1384 | #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR; | |
1385 | DO_MODE_CHAR(PRIVATE, 'p'); | |
1386 | DO_MODE_CHAR(SECRET, 's'); | |
1387 | DO_MODE_CHAR(MODERATED, 'm'); | |
1388 | DO_MODE_CHAR(TOPICLIMIT, 't'); | |
1389 | DO_MODE_CHAR(INVITEONLY, 'i'); | |
1390 | DO_MODE_CHAR(NOPRIVMSGS, 'n'); | |
1391 | DO_MODE_CHAR(LIMIT, 'l'); | |
1392 | DO_MODE_CHAR(DELAYJOINS, 'D'); | |
1393 | DO_MODE_CHAR(REGONLY, 'R'); | |
1394 | DO_MODE_CHAR(NOCOLORS, 'c'); | |
1395 | DO_MODE_CHAR(REGISTERED, 'r'); | |
1396 | #undef DO_MODE_CHAR | |
1397 | if (change->modes_clear & channel->modes & MODE_KEY) | |
1398 | mod_chanmode_append(&chbuf, 'k', channel->key); | |
1399 | } | |
1400 | for (arg = 0; arg < change->argc; ++arg) { | |
1401 | if (!(change->args[arg].mode & MODE_REMOVE)) | |
1402 | continue; | |
1403 | switch (change->args[arg].mode & ~MODE_REMOVE) { | |
1404 | case MODE_BAN: | |
1405 | mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask); | |
1406 | break; | |
1407 | default: | |
1408 | if (change->args[arg].mode & MODE_CHANOP) | |
1409 | mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->nick); | |
1410 | if (change->args[arg].mode & MODE_VOICE) | |
1411 | mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->nick); | |
1412 | break; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | /* Then set them */ | |
1417 | chbuf.is_add = 1; | |
1418 | if (change->modes_set) { | |
1419 | chbuf.modes[chbuf.modes_used++] = '+'; | |
1420 | #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR; | |
1421 | DO_MODE_CHAR(PRIVATE, 'p'); | |
1422 | DO_MODE_CHAR(SECRET, 's'); | |
1423 | DO_MODE_CHAR(MODERATED, 'm'); | |
1424 | DO_MODE_CHAR(TOPICLIMIT, 't'); | |
1425 | DO_MODE_CHAR(INVITEONLY, 'i'); | |
1426 | DO_MODE_CHAR(NOPRIVMSGS, 'n'); | |
1427 | DO_MODE_CHAR(DELAYJOINS, 'D'); | |
1428 | DO_MODE_CHAR(REGONLY, 'R'); | |
1429 | DO_MODE_CHAR(NOCOLORS, 'c'); | |
1430 | DO_MODE_CHAR(REGISTERED, 'r'); | |
1431 | #undef DO_MODE_CHAR | |
1432 | if (change->modes_set & MODE_KEY) | |
1433 | mod_chanmode_append(&chbuf, 'k', change->new_key); | |
1434 | if (change->modes_set & MODE_LIMIT) | |
1435 | { | |
1436 | sprintf(int_buff, "%d", change->new_limit); | |
1437 | mod_chanmode_append(&chbuf, 'l', int_buff); | |
1438 | } | |
1439 | } | |
1440 | for (arg = 0; arg < change->argc; ++arg) { | |
1441 | if (change->args[arg].mode & MODE_REMOVE) | |
1442 | continue; | |
1443 | switch (change->args[arg].mode) { | |
1444 | case MODE_BAN: | |
1445 | mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask); | |
1446 | break; | |
1447 | default: | |
1448 | if (change->args[arg].mode & MODE_CHANOP) | |
1449 | mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->nick); | |
1450 | if (change->args[arg].mode & MODE_VOICE) | |
1451 | mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->nick); | |
1452 | break; | |
1453 | } | |
1454 | } | |
1455 | ||
1456 | /* Flush the buffer and apply changes locally */ | |
1457 | if (chbuf.modes_used > 0) { | |
1458 | memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used); | |
1459 | chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0'; | |
1460 | irc_mode(chbuf.actor, chbuf.channel, chbuf.modes); | |
1461 | } | |
1462 | mod_chanmode_apply(who, channel, change); | |
1463 | } | |
1464 | ||
1465 | char * | |
1466 | mod_chanmode_format(struct mod_chanmode *change, char *outbuff) | |
1467 | { | |
1468 | unsigned int used = 0; | |
1469 | assert(change->argc <= change->alloc_argc); | |
1470 | if (change->modes_clear) { | |
1471 | outbuff[used++] = '-'; | |
1472 | #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR | |
1473 | DO_MODE_CHAR(PRIVATE, 'p'); | |
1474 | DO_MODE_CHAR(SECRET, 's'); | |
1475 | DO_MODE_CHAR(MODERATED, 'm'); | |
1476 | DO_MODE_CHAR(TOPICLIMIT, 't'); | |
1477 | DO_MODE_CHAR(INVITEONLY, 'i'); | |
1478 | DO_MODE_CHAR(NOPRIVMSGS, 'n'); | |
1479 | DO_MODE_CHAR(LIMIT, 'l'); | |
1480 | DO_MODE_CHAR(KEY, 'k'); | |
1481 | DO_MODE_CHAR(DELAYJOINS, 'D'); | |
1482 | DO_MODE_CHAR(REGONLY, 'R'); | |
1483 | DO_MODE_CHAR(NOCOLORS, 'c'); | |
1484 | DO_MODE_CHAR(REGISTERED, 'r'); | |
1485 | #undef DO_MODE_CHAR | |
1486 | } | |
1487 | if (change->modes_set) { | |
1488 | outbuff[used++] = '+'; | |
1489 | #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR | |
1490 | DO_MODE_CHAR(PRIVATE, 'p'); | |
1491 | DO_MODE_CHAR(SECRET, 's'); | |
1492 | DO_MODE_CHAR(MODERATED, 'm'); | |
1493 | DO_MODE_CHAR(TOPICLIMIT, 't'); | |
1494 | DO_MODE_CHAR(INVITEONLY, 'i'); | |
1495 | DO_MODE_CHAR(NOPRIVMSGS, 'n'); | |
1496 | DO_MODE_CHAR(DELAYJOINS, 'D'); | |
1497 | DO_MODE_CHAR(REGONLY, 'R'); | |
1498 | DO_MODE_CHAR(NOCOLORS, 'c'); | |
1499 | DO_MODE_CHAR(REGISTERED, 'r'); | |
1500 | #undef DO_MODE_CHAR | |
1501 | switch (change->modes_set & (MODE_KEY|MODE_LIMIT)) { | |
1502 | case MODE_KEY|MODE_LIMIT: | |
1503 | used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key); | |
1504 | break; | |
1505 | case MODE_KEY: | |
1506 | used += sprintf(outbuff+used, "k %s", change->new_key); | |
1507 | break; | |
1508 | case MODE_LIMIT: | |
1509 | used += sprintf(outbuff+used, "l %d", change->new_limit); | |
1510 | break; | |
1511 | } | |
1512 | } | |
1513 | outbuff[used] = 0; | |
1514 | return outbuff; | |
1515 | } |