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c86edd1d Q |
1 | /* Functions for manipulating local users on channels */ |
2 | ||
3 | #include "localuser.h" | |
4 | #include "localuserchannel.h" | |
5 | #include "../nick/nick.h" | |
6 | #include "../channel/channel.h" | |
7 | #include "../irc/irc.h" | |
87698d77 | 8 | #include "../lib/version.h" |
526e7c1d | 9 | #include "../lib/sstring.h" |
c86edd1d Q |
10 | |
11 | #include <stdarg.h> | |
12 | #include <stdio.h> | |
13 | #include <assert.h> | |
4ad1cf7a | 14 | #include <string.h> |
c86edd1d | 15 | |
70b0a4e5 | 16 | MODULE_VERSION(""); |
87698d77 | 17 | |
526e7c1d P |
18 | typedef struct pendingkick { |
19 | nick *source, *target; | |
20 | channel *chan; | |
21 | sstring *reason; | |
22 | struct pendingkick *next; | |
23 | } pendingkick; | |
24 | ||
25 | pendingkick *pendingkicklist; | |
26 | ||
c86edd1d | 27 | int handlechannelmsgcmd(void *source, int cargc, char **cargv); |
cc7f7ce9 | 28 | int handlechannelnoticecmd(void *source, int cargc, char **cargv); |
c86edd1d | 29 | int handleinvitecmd(void *source, int cargc, char **cargv); |
526e7c1d P |
30 | void clearpendingkicks(int hooknum, void *arg); |
31 | void checkpendingkicknicks(int hooknum, void *arg); | |
32 | void checkpendingkickchannels(int hooknum, void *arg); | |
33 | void _localkickuser(nick *np, channel *cp, nick *target, const char *message); | |
c86edd1d Q |
34 | void luc_handlekick(int hooknum, void *arg); |
35 | ||
36 | void _init() { | |
526e7c1d | 37 | pendingkicklist=NULL; |
c86edd1d | 38 | registerserverhandler("P",&handlechannelmsgcmd,2); |
cc7f7ce9 | 39 | registerserverhandler("O",&handlechannelnoticecmd,2); |
c86edd1d Q |
40 | registerserverhandler("I",&handleinvitecmd,2); |
41 | registerhook(HOOK_CHANNEL_KICK, luc_handlekick); | |
526e7c1d P |
42 | registerhook(HOOK_NICK_LOSTNICK, checkpendingkicknicks); |
43 | registerhook(HOOK_CHANNEL_LOSTCHANNEL, checkpendingkickchannels); | |
44 | registerhook(HOOK_CORE_ENDOFHOOKSQUEUE,&clearpendingkicks); | |
c86edd1d Q |
45 | } |
46 | ||
47 | void _fini() { | |
526e7c1d P |
48 | pendingkick *pk; |
49 | ||
c86edd1d | 50 | deregisterserverhandler("P",&handlechannelmsgcmd); |
cc7f7ce9 | 51 | deregisterserverhandler("O",&handlechannelnoticecmd); |
c86edd1d Q |
52 | deregisterserverhandler("I",&handleinvitecmd); |
53 | deregisterhook(HOOK_CHANNEL_KICK, luc_handlekick); | |
526e7c1d P |
54 | deregisterhook(HOOK_NICK_LOSTNICK, checkpendingkicknicks); |
55 | deregisterhook(HOOK_CHANNEL_LOSTCHANNEL, checkpendingkickchannels); | |
56 | deregisterhook(HOOK_CORE_ENDOFHOOKSQUEUE,&clearpendingkicks); | |
57 | ||
df3bf970 | 58 | for (pk=pendingkicklist;pk;pk=pendingkicklist) { |
526e7c1d P |
59 | pendingkicklist = pk->next; |
60 | freesstring(pk->reason); | |
61 | free(pk); | |
526e7c1d | 62 | } |
c86edd1d Q |
63 | } |
64 | ||
65 | void luc_handlekick(int hooknum, void *arg) { | |
66 | void **args=arg; | |
67 | nick *target=args[1]; | |
68 | void *myargs[3]; | |
69 | ||
70 | if (homeserver(target->numeric)!=mylongnum) | |
71 | return; | |
72 | ||
73 | if (umhandlers[target->numeric & MAXLOCALUSER]) { | |
74 | myargs[0]=args[2]; | |
75 | myargs[1]=args[0]; | |
76 | myargs[2]=args[3]; | |
77 | ||
78 | (umhandlers[target->numeric & MAXLOCALUSER])(target, LU_KICKED, myargs); | |
79 | } | |
80 | } | |
81 | ||
82 | /* invites look something like: | |
83 | * XXyyy I TargetNick :#channel | |
84 | */ | |
85 | ||
86 | int handleinvitecmd(void *source, int cargc, char **cargv) { | |
87 | void *nargs[2]; | |
88 | nick *sender; | |
89 | channel *cp; | |
90 | nick *target; | |
91 | ||
92 | if (cargc<2) { | |
93 | return CMD_OK; | |
94 | } | |
95 | ||
96 | if (!(sender=getnickbynumericstr(source))) { | |
97 | Error("localuserchannel",ERR_WARNING,"Got invite from unknown numeric %s.",source); | |
98 | return CMD_OK; | |
99 | } | |
100 | ||
101 | if (!(target=getnickbynick(cargv[0]))) { | |
102 | Error("localuserchannel",ERR_WARNING,"Got invite for unknown local user %s.",cargv[0]); | |
103 | return CMD_OK; | |
104 | } | |
105 | ||
106 | if (!(cp=findchannel(cargv[1]))) { | |
107 | Error("localuserchannel",ERR_WARNING,"Got invite for non-existent channel %s.",cargv[1]); | |
108 | return CMD_OK; | |
109 | } | |
110 | ||
111 | if (homeserver(target->numeric) != mylongnum) { | |
112 | Error("localuserchannel",ERR_WARNING,"Got invite for non-local user %s.",target->nick); | |
113 | return CMD_OK; | |
114 | } | |
115 | ||
116 | /* This is a valid race condition.. */ | |
117 | if (getnumerichandlefromchanhash(cp->users, target->numeric)) { | |
118 | Error("localuserchannel",ERR_DEBUG,"Got invite for user %s already on %s.",target->nick, cp->index->name->content); | |
119 | return CMD_OK; | |
120 | } | |
121 | ||
122 | nargs[0]=(void *)sender; | |
123 | nargs[1]=(void *)cp; | |
124 | ||
125 | if (umhandlers[target->numeric&MAXLOCALUSER]) { | |
126 | (umhandlers[target->numeric&MAXLOCALUSER])(target, LU_INVITE, nargs); | |
127 | } | |
128 | ||
129 | return CMD_OK; | |
130 | } | |
131 | ||
d561c7db | 132 | /* PRIVMSG/NOTICE to channel handling is identical up to the point where the hook is called. */ |
133 | static int handlechannelmsgornotice(void *source, int cargc, char **cargv, int isnotice) { | |
c86edd1d Q |
134 | void *nargs[3]; |
135 | nick *sender; | |
136 | channel *target; | |
137 | nick *np; | |
138 | unsigned long numeric; | |
139 | int i; | |
140 | int found=0; | |
141 | ||
142 | if (cargc<2) { | |
143 | return CMD_OK; | |
144 | } | |
145 | ||
146 | if (cargv[0][0]!='#' && cargv[0][0]!='+') { | |
147 | /* Not a channel message */ | |
148 | return CMD_OK; | |
149 | } | |
150 | ||
151 | if ((sender=getnickbynumericstr((char *)source))==NULL) { | |
d561c7db | 152 | Error("localuserchannel",ERR_DEBUG,"PRIVMSG/NOTICE from non existant user %s",(char *)source); |
c86edd1d Q |
153 | return CMD_OK; |
154 | } | |
155 | ||
156 | if ((target=findchannel(cargv[0]))==NULL) { | |
d561c7db | 157 | Error("localuserchannel",ERR_DEBUG,"PRIVMSG/NOTICE to non existant channel %s",cargv[0]); |
c86edd1d Q |
158 | return CMD_OK; |
159 | } | |
160 | ||
161 | /* OK, we have a valid channel the message was sent to. Let's look to see | |
162 | * if we have any local users on there. Set up the arguments first as they are | |
163 | * always going to be the same. */ | |
164 | ||
165 | nargs[0]=(void *)sender; | |
166 | nargs[1]=(void *)target; | |
167 | nargs[2]=(void *)cargv[1]; | |
168 | ||
169 | for (found=0,i=0;i<target->users->hashsize;i++) { | |
170 | numeric=target->users->content[i]; | |
171 | if (numeric!=nouser && homeserver(numeric&CU_NUMERICMASK)==mylongnum) { | |
172 | /* OK, it's one of our users.. we need to deal with it */ | |
526e7c1d P |
173 | if (found && ((getnickbynumericstr((char *)source)==NULL) || ((findchannel(cargv[0]))==NULL) || !(getnumerichandlefromchanhash(target->users, sender->numeric)))) { |
174 | Error("localuserchannel", ERR_INFO, "Nick or channel lost, or user no longer on channel in LU_CHANMSG"); | |
175 | break; | |
176 | } | |
c86edd1d Q |
177 | found++; |
178 | if (umhandlers[numeric&MAXLOCALUSER]) { | |
179 | if ((np=getnickbynumeric(numeric))==NULL) { | |
d561c7db | 180 | Error("localuserchannel",ERR_ERROR,"PRIVMSG/NOTICE to channel user who doesn't exist (?) on %s",cargv[0]); |
c86edd1d Q |
181 | continue; |
182 | } | |
183 | if (!IsDeaf(np)) { | |
d561c7db | 184 | (umhandlers[numeric&MAXLOCALUSER])(np,(isnotice?LU_CHANNOTICE:LU_CHANMSG),nargs); |
c86edd1d Q |
185 | } else { |
186 | found--; | |
187 | } | |
188 | } | |
189 | } | |
190 | } | |
191 | ||
192 | if (!found) { | |
d561c7db | 193 | Error("localuserchannel",ERR_DEBUG,"Couldn't find any local targets for PRIVMSG/NOTICE to %s",cargv[0]); |
c86edd1d Q |
194 | } |
195 | ||
196 | return CMD_OK; | |
197 | } | |
198 | ||
d561c7db | 199 | /* Wrapper functions to call the above code */ |
c5d235d0 | 200 | int handlechannelmsgcmd(void *source, int cargc, char **cargv) { |
d561c7db | 201 | return handlechannelmsgornotice(source, cargc, cargv, 0); |
202 | } | |
cc7f7ce9 | 203 | |
d561c7db | 204 | int handlechannelnoticecmd(void *source, int cargc, char **cargv) { |
205 | return handlechannelmsgornotice(source, cargc, cargv, 1); | |
cc7f7ce9 C |
206 | } |
207 | ||
c85feb15 | 208 | /* Burst onto channel. This replaces the timestamp and modes |
209 | * with the provided ones. Keys and limits use the provided ones | |
210 | * if needed. nick * is optional, but joins the channel opped if | |
211 | * provided. | |
212 | * | |
213 | * Due to the way ircu works, this only works if the provided timestamp is | |
214 | * older than the one currently on the channel. If the timestamps are | |
215 | * equal, the modes are ignored, but the user (if any) is still allowed to | |
216 | * join with op. If the provided timestamp is newer than the exsting one we | |
217 | * just do a join instead - if you try to replace an old timestamp with a | |
218 | * newer one ircu will just laugh at you (and you will be desynced). | |
219 | */ | |
220 | int localburstontochannel(channel *cp, nick *np, time_t timestamp, flag_t modes, unsigned int limit, char *key) { | |
221 | unsigned int i; | |
222 | char extramodebuf[512]; | |
223 | char nickbuf[512]; | |
224 | ||
225 | if (cp==NULL) | |
226 | return 1; | |
227 | ||
228 | if (timestamp > cp->timestamp) { | |
229 | return localjoinchannel(np, cp); | |
230 | } | |
231 | ||
232 | if (timestamp < cp->timestamp) { | |
233 | cp->timestamp=timestamp; | |
234 | cp->flags=modes; | |
235 | ||
236 | /* deal with key - if we need one use the provided one if set, otherwise | |
237 | * the existing one, but if there is no existing one clear +k */ | |
238 | if (IsKey(cp)) { | |
934fe9ac | 239 | /* Sanitise the provided key - this might invalidate it.. */ |
240 | if (key) | |
241 | clean_key(key); | |
242 | ||
243 | if (key && *key) { | |
c85feb15 | 244 | /* Free old key, if any */ |
245 | if (cp->key) | |
246 | freesstring(cp->key); | |
247 | ||
248 | cp->key=getsstring(key,KEYLEN); | |
249 | } else { | |
250 | if (!cp->key) | |
251 | ClearKey(cp); | |
252 | } | |
253 | } else { | |
254 | /* Not +k - free the existing key, if any */ | |
255 | freesstring(cp->key); | |
256 | cp->key=NULL; | |
257 | } | |
258 | ||
259 | if (IsLimit(cp)) { | |
260 | if (limit) { | |
261 | cp->limit=limit; | |
262 | } else { | |
263 | if (!cp->limit) | |
264 | ClearLimit(cp); | |
265 | } | |
266 | } else { | |
267 | if (cp->limit) | |
268 | cp->limit=0; | |
269 | } | |
270 | ||
271 | /* We also need to blow away all other op/voice and bans on the | |
272 | * channel. This is the same code we use when someone else does | |
273 | * it to us. */ | |
274 | clearallbans(cp); | |
275 | for (i=0;i<cp->users->hashsize;i++) { | |
276 | if (cp->users->content[i]!=nouser) { | |
277 | cp->users->content[i]&=CU_NUMERICMASK; | |
278 | } | |
279 | } | |
280 | } | |
281 | ||
282 | /* Actually add the nick to the channel. Make sure it's a local nick and actually exists first. */ | |
283 | if (np && (homeserver(np->numeric) == mylongnum) && | |
284 | !(getnumerichandlefromchanhash(cp->users,np->numeric))) { | |
285 | addnicktochannel(cp,(np->numeric)|CUMODE_OP); | |
286 | } else { | |
287 | np=NULL; /* If we're not adding it here, don't send it later in the burst msg either */ | |
288 | } | |
289 | ||
290 | if (connected) { | |
291 | /* actual burst message */ | |
292 | if (np) { | |
293 | sprintf(nickbuf," %s:o", longtonumeric(np->numeric,5)); | |
294 | } else { | |
295 | nickbuf[0]='\0'; | |
296 | } | |
297 | ||
298 | if (IsLimit(cp)) { | |
299 | sprintf(extramodebuf," %d",cp->limit); | |
300 | } else { | |
301 | extramodebuf[0]='\0'; | |
302 | } | |
303 | ||
304 | /* XX B #channel <timestamp> +modes <limit> <key> <user> */ | |
5d889c62 | 305 | irc_send("%s B %s %lu %s%s%s%s%s", |
c85feb15 | 306 | mynumeric->content,cp->index->name->content,cp->timestamp, |
307 | printflags(cp->flags,cmodeflags),extramodebuf, | |
308 | IsKey(cp)?" ":"",IsKey(cp)?cp->key->content:"", nickbuf); | |
309 | } | |
310 | ||
311 | /* Tell the world something happened... */ | |
312 | triggerhook(HOOK_CHANNEL_BURST,cp); | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
c86edd1d Q |
317 | int localjoinchannel(nick *np, channel *cp) { |
318 | void *harg[2]; | |
319 | ||
320 | if (cp==NULL || np==NULL) { | |
321 | return 1; | |
322 | } | |
323 | ||
324 | /* Check that the user _is_ a local one.. */ | |
325 | if (homeserver(np->numeric)!=mylongnum) { | |
326 | return 1; | |
327 | } | |
328 | ||
329 | /* Check that the user isn't on the channel already */ | |
330 | if ((getnumerichandlefromchanhash(cp->users,np->numeric))!=NULL) { | |
331 | return 1; | |
332 | } | |
333 | ||
334 | /* OK, join the channel.. */ | |
335 | addnicktochannel(cp,np->numeric); | |
336 | ||
337 | /* Trigger the event */ | |
338 | harg[0]=cp; | |
339 | harg[1]=np; | |
340 | ||
c86edd1d Q |
341 | if (connected) { |
342 | irc_send("%s J %s %lu",longtonumeric(np->numeric,5),cp->index->name->content,cp->timestamp); | |
343 | } | |
9408ae5d | 344 | |
345 | triggerhook(HOOK_CHANNEL_JOIN, harg); | |
346 | ||
c86edd1d Q |
347 | return 0; |
348 | } | |
349 | ||
334b567e | 350 | int localpartchannel(nick *np, channel *cp, char *reason) { |
c86edd1d Q |
351 | void *harg[3]; |
352 | ||
353 | /* Check pointers are valid.. */ | |
354 | if (cp==NULL || np==NULL) { | |
355 | Error("localuserchannel",ERR_WARNING,"Trying to part NULL channel or NULL nick (cp=%x,np=%x)",cp,np); | |
356 | return 1; | |
357 | } | |
358 | ||
359 | /* And that user is local.. */ | |
360 | if (homeserver(np->numeric)!=mylongnum) { | |
361 | Error("localuserchannel",ERR_WARNING,"Trying to part remote user %s",np->nick); | |
362 | return 1; | |
363 | } | |
364 | ||
365 | /* Check that user is on channel */ | |
366 | if (getnumerichandlefromchanhash(cp->users,np->numeric)==NULL) { | |
367 | Error("localuserchannel",ERR_WARNING,"Trying to part user %s from channel %s it is not on",np->nick,cp->index->name->content); | |
368 | return 1; | |
369 | } | |
370 | ||
371 | if (connected) { | |
334b567e P |
372 | if (reason != NULL) |
373 | irc_send("%s L %s :%s",longtonumeric(np->numeric,5),cp->index->name->content, reason); | |
374 | else | |
375 | irc_send("%s L %s",longtonumeric(np->numeric,5),cp->index->name->content); | |
c86edd1d Q |
376 | } |
377 | ||
378 | harg[0]=cp; | |
379 | harg[1]=np; | |
380 | harg[2]=NULL; | |
381 | triggerhook(HOOK_CHANNEL_PART,harg); | |
382 | ||
383 | /* Now leave the channel */ | |
384 | delnickfromchannel(cp,np->numeric,1); | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | int localcreatechannel(nick *np, char *channame) { | |
390 | channel *cp; | |
391 | ||
392 | /* Check that the user _is_ a local one.. */ | |
393 | if (homeserver(np->numeric)!=mylongnum) { | |
394 | return 1; | |
395 | } | |
396 | ||
397 | if ((cp=findchannel(channame))!=NULL) { | |
398 | /* Already exists */ | |
399 | return 1; | |
400 | } | |
401 | ||
402 | cp=createchannel(channame); | |
403 | cp->timestamp=getnettime(); | |
404 | ||
405 | /* Add the local user to the channel, preopped */ | |
406 | addnicktochannel(cp,(np->numeric)|CUMODE_OP); | |
407 | ||
408 | if (connected) { | |
409 | irc_send("%s C %s %ld",longtonumeric(np->numeric,5),cp->index->name->content,cp->timestamp); | |
410 | } | |
411 | ||
412 | triggerhook(HOOK_CHANNEL_NEWCHANNEL,(void *)cp); | |
413 | return 0; | |
414 | } | |
415 | ||
416 | int localgetops(nick *np, channel *cp) { | |
417 | unsigned long *lp; | |
418 | ||
419 | /* Check that the user _is_ a local one.. */ | |
420 | if (homeserver(np->numeric)!=mylongnum) { | |
421 | return 1; | |
422 | } | |
423 | ||
424 | if ((lp=getnumerichandlefromchanhash(cp->users,np->numeric))==NULL) { | |
425 | return 1; | |
426 | } | |
427 | ||
428 | if (*lp & CUMODE_OP) { | |
429 | /* already opped */ | |
430 | return 1; | |
431 | } | |
432 | ||
433 | /* Op the user */ | |
434 | (*lp)|=CUMODE_OP; | |
435 | ||
436 | if (connected) { | |
437 | irc_send("%s M %s +o %s",mynumeric->content,cp->index->name->content,longtonumeric(np->numeric,5)); | |
438 | } | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | int localgetvoice(nick *np, channel *cp) { | |
444 | unsigned long *lp; | |
445 | ||
446 | /* Check that the user _is_ a local one.. */ | |
447 | if (homeserver(np->numeric)!=mylongnum) { | |
448 | return 1; | |
449 | } | |
450 | ||
451 | if ((lp=getnumerichandlefromchanhash(cp->users,np->numeric))==NULL) { | |
452 | return 1; | |
453 | } | |
454 | ||
455 | if (*lp & CUMODE_VOICE) { | |
456 | /* already opped */ | |
457 | return 1; | |
458 | } | |
459 | ||
460 | /* Voice the user */ | |
461 | (*lp)|=CUMODE_VOICE; | |
462 | ||
463 | if (connected) { | |
464 | irc_send("%s M %s +v %s",mynumeric->content,cp->index->name->content,longtonumeric(np->numeric,5)); | |
465 | } | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | /* | |
471 | * localsetmodeinit: | |
472 | * Initialises the modechanges structure. | |
473 | */ | |
474 | ||
475 | void localsetmodeinit (modechanges *changes, channel *cp, nick *np) { | |
476 | changes->cp=cp; | |
477 | changes->source=np; | |
478 | changes->changecount=0; | |
479 | changes->addflags=0; | |
480 | changes->delflags=0; | |
481 | } | |
482 | ||
483 | /* | |
484 | * localdosetmode_ban: | |
485 | * Set or clear a ban on the channel | |
486 | */ | |
487 | ||
488 | void localdosetmode_ban (modechanges *changes, const char *ban, short dir) { | |
489 | sstring *bansstr=getsstring(ban,HOSTLEN+NICKLEN+USERLEN+5); | |
490 | ||
491 | /* If we're told to clear a ban that isn't here, do nothing. */ | |
492 | if (dir==MCB_DEL && !clearban(changes->cp, bansstr->content, 1)) | |
493 | return; | |
0524ca09 | 494 | |
495 | /* Similarly if someone is trying to add a completely overlapped ban, do | |
496 | * nothing */ | |
497 | if (dir==MCB_ADD && !setban(changes->cp, bansstr->content)) | |
498 | return; | |
c86edd1d Q |
499 | |
500 | if (changes->changecount >= MAXMODEARGS) | |
501 | localsetmodeflush(changes, 0); | |
502 | ||
503 | changes->changes[changes->changecount].str=bansstr; | |
504 | changes->changes[changes->changecount].flag='b'; | |
505 | changes->changes[changes->changecount++].dir=dir; | |
506 | ||
507 | if (dir==MCB_ADD) { | |
508 | setban(changes->cp, bansstr->content); | |
509 | } | |
510 | } | |
511 | ||
512 | /* | |
513 | * localdosetmode_key: | |
514 | * Set or clear a key on the channel | |
515 | */ | |
516 | ||
934fe9ac | 517 | void localdosetmode_key (modechanges *changes, char *key, short dir) { |
c86edd1d Q |
518 | int i,j; |
519 | sstring *keysstr; | |
520 | ||
521 | /* Check we have space in the buffer */ | |
522 | if (changes->changecount >= MAXMODEARGS) | |
523 | localsetmodeflush(changes,0); | |
524 | ||
525 | if (dir==MCB_ADD) { | |
934fe9ac | 526 | /* Sanitise the key. If this nullifies it then we give up */ |
527 | clean_key(key); | |
528 | if (!*key) | |
529 | return; | |
530 | ||
c86edd1d Q |
531 | /* Get a copy of the key for use later */ |
532 | keysstr=getsstring(key, KEYLEN); | |
533 | ||
534 | /* Check there isn't a key set/clear in the pipeline already.. */ | |
535 | for (i=0;i<changes->changecount;i++) { | |
536 | if (changes->changes[i].flag=='k') { | |
537 | /* There's a change already.. */ | |
538 | if (changes->changes[i].dir==MCB_ADD) { | |
539 | /* Already an add key change. Here, we just replace the key | |
540 | * we were going to add with this one. Note that we need to | |
541 | * free the current cp->key, and the changes.str */ | |
542 | freesstring(changes->changes[i].str); | |
543 | changes->changes[i].str=keysstr; | |
544 | freesstring(changes->cp->key); | |
545 | changes->cp->key=getsstring(key, KEYLEN); | |
546 | /* That's it, we're done */ | |
934fe9ac | 547 | freesstring(keysstr); |
c86edd1d Q |
548 | return; |
549 | } else { | |
550 | /* There was a command to delete key.. we need to flush | |
551 | * this out then add the new key (-k+k isn't valid). | |
552 | * Make sure this gets flushed, then drop through to common code */ | |
553 | localsetmodeflush(changes, 1); | |
554 | } | |
555 | } | |
556 | } | |
557 | ||
558 | /* We got here, so there's no change pending already .. check for key on chan */ | |
559 | if (IsKey(changes->cp)) { | |
560 | if (sstringcompare(changes->cp->key, keysstr)) { | |
561 | /* Key is set and different. Need to put -k in and flush changes now */ | |
562 | changes->changes[changes->changecount].str=changes->cp->key; /* implicit free */ | |
563 | changes->changes[changes->changecount].dir=MCB_DEL; | |
564 | changes->changes[changes->changecount++].flag='k'; | |
565 | localsetmodeflush(changes, 1); /* Note that this will free the sstring on the channel */ | |
566 | } else { | |
567 | /* Key is set and the same: do nothing. */ | |
568 | freesstring(keysstr); /* Don't need this after all */ | |
569 | return; | |
570 | } | |
571 | } | |
572 | ||
573 | /* If we get here, there's no key on the channel right now and nothing in the buffer to | |
574 | * add or remove one */ | |
575 | SetKey(changes->cp); | |
576 | changes->cp->key=getsstring(key, KEYLEN); | |
577 | ||
578 | changes->changes[changes->changecount].str=keysstr; | |
579 | changes->changes[changes->changecount].dir=MCB_ADD; | |
580 | changes->changes[changes->changecount++].flag='k'; | |
581 | } else { | |
582 | /* We're removing a key.. */ | |
583 | /* Only bother if key is set atm */ | |
584 | if (IsKey(changes->cp)) { | |
585 | ClearKey(changes->cp); | |
586 | for(i=0;i<changes->changecount;i++) { | |
587 | if (changes->changes[i].flag=='k') { | |
588 | /* We were already doing something with a key.. | |
589 | * it MUST be adding one */ | |
590 | assert(changes->changes[i].dir==MCB_ADD); | |
591 | /* Just forget the earlier change */ | |
592 | freesstring(changes->changes[i].str); | |
593 | changes->changecount--; | |
594 | for (j=i;j<changes->changecount;j++) { | |
595 | changes->changes[j]=changes->changes[j+1]; | |
596 | } | |
597 | /* Explicitly free key on chan */ | |
598 | freesstring(changes->cp->key); | |
599 | changes->cp->key=NULL; | |
600 | return; | |
601 | } | |
602 | } | |
603 | ||
604 | /* We didn't hit a key change, so put a remove command in */ | |
605 | changes->changes[changes->changecount].str=changes->cp->key; /* implicit free */ | |
606 | changes->cp->key=NULL; | |
607 | changes->changes[changes->changecount].dir=MCB_DEL; | |
608 | changes->changes[changes->changecount++].flag='k'; | |
609 | } | |
610 | } | |
611 | } | |
612 | ||
613 | void localdosetmode_limit (modechanges *changes, unsigned int limit, short dir) { | |
614 | int i; | |
615 | char buf[20]; | |
616 | ||
617 | if (dir==MCB_DEL) { | |
618 | localdosetmode_simple(changes, 0, CHANMODE_LIMIT); | |
619 | return; | |
620 | } | |
621 | ||
622 | /* Kill redundant changes */ | |
623 | if ((IsLimit(changes->cp) && changes->cp->limit==limit) || !limit) | |
624 | return; | |
625 | ||
626 | SetLimit(changes->cp); | |
627 | changes->cp->limit=limit; | |
628 | changes->delflags &= ~CHANMODE_LIMIT; | |
629 | ||
630 | /* Check for existing limit add */ | |
631 | for (i=0;i<changes->changecount;i++) { | |
632 | if (changes->changes[i].flag=='l') { | |
633 | /* must be add */ | |
634 | freesstring(changes->changes[i].str); | |
635 | sprintf(buf,"%u",limit); | |
636 | changes->changes[i].str=getsstring(buf,20); | |
637 | return; | |
638 | } | |
639 | } | |
640 | ||
641 | /* None, add new one. Note that we can do +l even if a limit is already set */ | |
642 | if (changes->changecount >= MAXMODEARGS) | |
643 | localsetmodeflush(changes,0); | |
644 | ||
645 | changes->changes[changes->changecount].flag='l'; | |
646 | sprintf(buf,"%u",limit); | |
647 | changes->changes[changes->changecount].str=getsstring(buf,20); | |
648 | changes->changes[changes->changecount++].dir=MCB_ADD; | |
649 | } | |
650 | ||
651 | void localdosetmode_simple (modechanges *changes, flag_t addmodes, flag_t delmodes) { | |
652 | int i,j; | |
653 | ||
654 | /* We can't add a mode we're deleting, a key, limit, or mode that's already set */ | |
655 | addmodes &= ~(delmodes | CHANMODE_KEY | CHANMODE_LIMIT | changes->cp->flags); | |
656 | ||
657 | /* We can't delete a key or a mode that's not set */ | |
658 | delmodes &= (~(CHANMODE_KEY) & changes->cp->flags); | |
659 | ||
660 | /* If we're doing +p, do -s as well, and vice versa */ | |
661 | /* Also disallow +ps */ | |
662 | if (addmodes & CHANMODE_SECRET) { | |
663 | addmodes &= ~(CHANMODE_PRIVATE); | |
664 | delmodes |= (CHANMODE_PRIVATE & changes->cp->flags); | |
665 | } | |
666 | ||
667 | if (addmodes & CHANMODE_PRIVATE) { | |
668 | delmodes |= (CHANMODE_SECRET & changes->cp->flags); | |
669 | } | |
670 | ||
671 | /* Fold changes into channel */ | |
672 | changes->cp->flags |= addmodes; | |
673 | changes->cp->flags &= ~delmodes; | |
674 | ||
675 | if (delmodes & CHANMODE_LIMIT) { | |
676 | /* Check for +l in the parametered changes */ | |
677 | for (i=0;i<changes->changecount;i++) { | |
678 | if (changes->changes[i].flag=='l') { | |
679 | freesstring(changes->changes[i].str); | |
680 | changes->changecount--; | |
681 | for (j=0;j<changes->changecount;j++) { | |
682 | changes->changes[j]=changes->changes[j+1]; | |
683 | } | |
684 | } | |
685 | break; | |
686 | } | |
687 | changes->cp->limit=0; | |
688 | } | |
689 | ||
690 | /* And into the changes buffer */ | |
691 | changes->addflags &= ~delmodes; | |
692 | changes->addflags |= addmodes; | |
693 | ||
694 | changes->delflags &= ~addmodes; | |
695 | changes->delflags |= delmodes; | |
696 | } | |
697 | ||
698 | /* | |
699 | * localdosetmode: | |
700 | * Applies a mode change. | |
701 | */ | |
702 | ||
703 | void localdosetmode_nick (modechanges *changes, nick *target, short modes) { | |
704 | unsigned long *lp; | |
705 | ||
706 | if ((lp=getnumerichandlefromchanhash(changes->cp->users,target->numeric))==NULL) { | |
707 | /* Target isn't on channel, abort */ | |
708 | return; | |
709 | } | |
710 | ||
711 | if ((modes & MC_DEOP) && (*lp & CUMODE_OP)) { | |
712 | (*lp) &= ~CUMODE_OP; | |
713 | if (changes->changecount >= MAXMODEARGS) | |
714 | localsetmodeflush(changes, 0); | |
715 | changes->changes[changes->changecount].str=getsstring(longtonumeric(target->numeric,5),5); | |
716 | changes->changes[changes->changecount].dir=MCB_DEL; | |
717 | changes->changes[changes->changecount++].flag='o'; | |
718 | } | |
719 | ||
720 | if ((modes & MC_DEVOICE) && (*lp & CUMODE_VOICE)) { | |
721 | (*lp) &= ~CUMODE_VOICE; | |
722 | if (changes->changecount >= MAXMODEARGS) | |
723 | localsetmodeflush(changes, 0); | |
724 | changes->changes[changes->changecount].str=getsstring(longtonumeric(target->numeric,5),5); | |
725 | changes->changes[changes->changecount].dir=MCB_DEL; | |
726 | changes->changes[changes->changecount++].flag='v'; | |
727 | } | |
728 | ||
729 | if ((modes & MC_OP) && !(modes & MC_DEOP) && !(*lp & CUMODE_OP)) { | |
730 | (*lp) |= CUMODE_OP; | |
731 | if (changes->changecount >= MAXMODEARGS) | |
732 | localsetmodeflush(changes, 0); | |
733 | changes->changes[changes->changecount].str=getsstring(longtonumeric(target->numeric,5),5); | |
734 | changes->changes[changes->changecount].dir=MCB_ADD; | |
735 | changes->changes[changes->changecount++].flag='o'; | |
736 | } | |
737 | ||
738 | if ((modes & MC_VOICE) && !(modes & MC_DEVOICE) && !(*lp & CUMODE_VOICE)) { | |
739 | (*lp) |= CUMODE_VOICE; | |
740 | if (changes->changecount >= MAXMODEARGS) | |
741 | localsetmodeflush(changes, 0); | |
742 | changes->changes[changes->changecount].str=getsstring(longtonumeric(target->numeric,5),5); | |
743 | changes->changes[changes->changecount].dir=MCB_ADD; | |
744 | changes->changes[changes->changecount++].flag='v'; | |
745 | } | |
746 | ||
747 | } | |
748 | ||
749 | /* | |
750 | * localsetmodeflush: | |
751 | * Sends out mode changes to the network. | |
752 | */ | |
753 | ||
754 | void localsetmodeflush (modechanges *changes, int flushall) { | |
755 | int i,j=0; | |
756 | unsigned long *lp; | |
757 | char source[6]; | |
758 | ||
759 | char addmodes[26]; | |
760 | int ampos=0; | |
761 | char remmodes[26]; | |
762 | int rmpos=0; | |
763 | ||
764 | char addargs[500]; | |
765 | int aapos=0; | |
766 | char remargs[500]; | |
767 | int rapos=0; | |
768 | ||
769 | strcpy(addmodes, printflags_noprefix(changes->addflags, cmodeflags)); | |
770 | ampos=strlen(addmodes); | |
771 | ||
772 | strcpy(remmodes, printflags_noprefix(changes->delflags, cmodeflags)); | |
773 | rmpos=strlen(remmodes); | |
774 | ||
775 | changes->addflags=changes->delflags=0; | |
776 | ||
777 | for (i=0;i<changes->changecount;i++) { | |
778 | /* Don't overflow the string, kinda nasty to work out.. format is: */ | |
779 | /* AAAA M #chan +add-rem (addstr) (remstr) */ | |
780 | if ((changes->cp->index->name->length + aapos + rapos + | |
781 | ampos + rmpos + changes->changes[i].str->length + 20) > BUFSIZE) | |
782 | break; | |
783 | ||
784 | switch (changes->changes[i].dir) { | |
785 | case MCB_ADD: | |
786 | addmodes[ampos++]=changes->changes[i].flag; | |
787 | aapos+=sprintf(addargs+aapos, "%s ", changes->changes[i].str->content); | |
788 | break; | |
789 | ||
790 | case MCB_DEL: | |
791 | remmodes[rmpos++]=changes->changes[i].flag; | |
792 | rapos+=sprintf(remargs+rapos, "%s ", changes->changes[i].str->content); | |
793 | break; | |
794 | } | |
795 | freesstring(changes->changes[i].str); | |
796 | } | |
797 | ||
798 | if (i<changes->changecount) { | |
799 | for (j=i;j<changes->changecount;j++) | |
800 | changes->changes[j-i]=changes->changes[j]; | |
801 | } | |
802 | ||
803 | changes->changecount -= i; | |
804 | ||
805 | if ((ampos+rmpos)==0) { | |
806 | /* No changes */ | |
807 | return; | |
808 | } | |
809 | ||
810 | addmodes[ampos]='\0'; | |
811 | remmodes[rmpos]='\0'; | |
812 | addargs[aapos]='\0'; | |
813 | remargs[rapos]='\0'; | |
814 | ||
815 | if (changes->source==NULL || | |
816 | (lp=getnumerichandlefromchanhash(changes->cp->users,changes->source->numeric))==NULL) { | |
817 | /* User isn't on channel, hack mode */ | |
818 | strcpy(source,mynumeric->content); | |
819 | } else { | |
820 | /* Check the user is local */ | |
821 | if (homeserver(changes->source->numeric)!=mylongnum) { | |
822 | return; | |
823 | } | |
824 | if ((*lp&CUMODE_OP)==0) { | |
825 | localgetops(changes->source,changes->cp); | |
826 | } | |
827 | strcpy(source,longtonumeric(changes->source->numeric,5)); | |
828 | } | |
829 | ||
830 | if (connected) { | |
831 | irc_send("%s M %s %s%s%s%s %s%s",source,changes->cp->index->name->content, | |
832 | rmpos ? "-" : "", remmodes, | |
833 | ampos ? "+" : "", addmodes, remargs, addargs); | |
834 | } | |
835 | ||
836 | /* If we have to flush everything out but didn't finish, go round again */ | |
837 | if (changes->changecount && flushall) | |
838 | localsetmodeflush(changes, 1); | |
839 | } | |
840 | ||
841 | /* | |
842 | * localsetmodes: | |
843 | * Sets modes for the user on the channel. This is now a stub routine that | |
844 | * uses the new functions. | |
845 | */ | |
846 | ||
847 | int localsetmodes(nick *np, channel *cp, nick *target, short modes) { | |
848 | modechanges changes; | |
849 | ||
850 | localsetmodeinit (&changes, cp, np); | |
851 | localdosetmode_nick (&changes, target, modes); | |
852 | localsetmodeflush (&changes, 1); | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
857 | /* This function just sends the actual mode change, | |
858 | * it assumes that the actual channel modes have been changed appropriately. | |
859 | * This is unfortunately inconsistent with the rest of the localuser API.. | |
860 | */ | |
861 | ||
862 | void localusermodechange(nick *np, channel *cp, char *modes) { | |
863 | char source[10]; | |
864 | unsigned long *lp; | |
865 | ||
866 | if (np==NULL || (lp=getnumerichandlefromchanhash(cp->users,np->numeric))==NULL) { | |
867 | /* User isn't on channel, hack mode */ | |
868 | strcpy(source,mynumeric->content); | |
869 | } else { | |
870 | /* Check the user is local */ | |
871 | if (homeserver(np->numeric)!=mylongnum) { | |
872 | return; | |
873 | } | |
874 | if ((*lp&CUMODE_OP)==0) { | |
875 | localgetops(np,cp); | |
876 | } | |
877 | strcpy(source,longtonumeric(np->numeric,5)); | |
878 | } | |
879 | ||
880 | if (connected) { | |
881 | irc_send("%s M %s %s",source,cp->index->name->content,modes); | |
882 | } | |
883 | } | |
884 | ||
885 | /* This function actually sets the topic itself though.. a bit inconsistent :/ */ | |
886 | ||
887 | void localsettopic(nick *np, channel *cp, char *topic) { | |
888 | unsigned long *lp; | |
889 | char source[10]; | |
1e1bd194 | 890 | time_t now=getnettime(); |
c86edd1d Q |
891 | |
892 | if (np==NULL || (lp=getnumerichandlefromchanhash(cp->users,np->numeric))==NULL) { | |
893 | /* User isn't on channel, hack mode */ | |
894 | strcpy(source,mynumeric->content); | |
895 | } else { | |
896 | /* Check the user is local */ | |
897 | if (homeserver(np->numeric)!=mylongnum) { | |
898 | return; | |
899 | } | |
900 | if ((*lp&CUMODE_OP)==0 && IsTopicLimit(cp)) { | |
901 | localgetops(np,cp); | |
902 | } | |
903 | strcpy(source,longtonumeric(np->numeric,5)); | |
904 | } | |
905 | ||
906 | if (cp->topic) { | |
907 | freesstring(cp->topic); | |
908 | } | |
909 | ||
910 | cp->topic=getsstring(topic,TOPICLEN); | |
1e1bd194 | 911 | |
912 | /* Guarantee that the topic timestamp is greater than the old one. */ | |
913 | if (cp->topictime >= now) { | |
914 | cp->topictime++; | |
915 | } else { | |
916 | cp->topictime=getnettime(); | |
917 | } | |
c86edd1d Q |
918 | |
919 | if (connected) { | |
920 | irc_send("%s T %s %u %u :%s",source,cp->index->name->content,cp->timestamp,cp->topictime,(cp->topic)?cp->topic->content:""); | |
921 | } | |
922 | } | |
923 | ||
924 | void localkickuser(nick *np, channel *cp, nick *target, const char *message) { | |
526e7c1d P |
925 | pendingkick *pk; |
926 | ||
927 | if (hookqueuelength) { | |
928 | for (pk = pendingkicklist; pk; pk = pk->next) | |
929 | if (pk->target == target && pk->chan == cp) | |
930 | return; | |
931 | ||
a77bd764 | 932 | Error("localuserchannel", ERR_DEBUG, "Adding pending kick for %s on %s", target->nick, cp->index->name->content); |
526e7c1d P |
933 | pk = (pendingkick *)malloc(sizeof(pendingkick)); |
934 | pk->source = np; | |
935 | pk->chan = cp; | |
936 | pk->target = target; | |
937 | pk->reason = getsstring(message, BUFSIZE); | |
938 | pk->next = pendingkicklist; | |
939 | pendingkicklist = pk; | |
940 | } else { | |
941 | _localkickuser(np, cp, target, message); | |
942 | } | |
943 | } | |
944 | ||
945 | void _localkickuser(nick *np, channel *cp, nick *target, const char *message) { | |
c86edd1d Q |
946 | unsigned long *lp; |
947 | char source[10]; | |
948 | ||
949 | if (np==NULL || (lp=getnumerichandlefromchanhash(cp->users,np->numeric))==NULL) { | |
950 | /* User isn't on channel, hack mode */ | |
951 | strcpy(source,mynumeric->content); | |
952 | } else { | |
953 | /* Check the user is local */ | |
954 | if (homeserver(np->numeric)!=mylongnum) { | |
955 | return; | |
956 | } | |
526e7c1d | 957 | if ((*lp&CUMODE_OP)==0) { |
c86edd1d Q |
958 | localgetops(np,cp); |
959 | } | |
960 | strcpy(source,longtonumeric(np->numeric,5)); | |
961 | } | |
962 | ||
963 | if ((lp=getnumerichandlefromchanhash(cp->users,target->numeric))==NULL) | |
964 | return; | |
965 | ||
966 | /* Send the message to the network first in case delnickfromchannel() | |
967 | * destroys the channel.. */ | |
968 | if (connected) { | |
969 | irc_send("%s K %s %s :%s",source,cp->index->name->content, | |
970 | longtonumeric(target->numeric,5), message); | |
971 | } | |
972 | ||
973 | delnickfromchannel(cp, target->numeric, 1); | |
974 | } | |
975 | ||
526e7c1d P |
976 | void clearpendingkicks(int hooknum, void *arg) { |
977 | pendingkick *pk; | |
978 | ||
979 | pk = pendingkicklist; | |
980 | while (pk) { | |
981 | pendingkicklist = pk->next; | |
982 | ||
983 | if (pk->target && pk->chan) { | |
a77bd764 | 984 | Error("localuserchannel", ERR_DEBUG, "Processing pending kick for %s on %s", pk->target->nick, pk->chan->index->name->content); |
526e7c1d P |
985 | _localkickuser(pk->source, pk->chan, pk->target, pk->reason->content); |
986 | } | |
987 | ||
988 | freesstring(pk->reason); | |
989 | free(pk); | |
990 | pk = pendingkicklist; | |
991 | } | |
992 | } | |
993 | ||
994 | void checkpendingkicknicks(int hooknum, void *arg) { | |
995 | nick *np = (nick *)arg; | |
996 | pendingkick *pk; | |
997 | ||
998 | for (pk=pendingkicklist; pk; pk = pk->next) { | |
999 | if (pk->source == np) { | |
1000 | Error("localuserchannel", ERR_INFO, "Pending kick source %s got deleted, NULL'ing source for pending kick", np->nick); | |
1001 | pk->source = NULL; | |
1002 | } | |
1003 | if (pk->target == np) { | |
1004 | Error("localuserchannel", ERR_INFO, "Pending kick target %s got deleted, NULL'ing target for pending kick", np->nick); | |
1005 | pk->target = NULL; | |
1006 | } | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | void checkpendingkickchannels(int hooknum, void *arg) { | |
1011 | channel *cp = (channel *)arg; | |
1012 | pendingkick *pk; | |
1013 | ||
1014 | for (pk=pendingkicklist; pk; pk = pk->next) { | |
1015 | if (pk->chan == cp) { | |
1016 | Error("localuserchannel", ERR_INFO, "Pending kick channel %s got deleted, NULL'ing channel for pending kick", cp->index->name->content); | |
1017 | pk->chan = NULL; | |
1018 | } | |
1019 | } | |
1020 | } | |
1021 | ||
c86edd1d Q |
1022 | void sendmessagetochannel(nick *source, channel *cp, char *format, ... ) { |
1023 | char buf[BUFSIZE]; | |
1024 | char senderstr[6]; | |
1025 | va_list va; | |
1026 | ||
1027 | if (!source) | |
1028 | return; | |
1029 | ||
1030 | longtonumeric2(source->numeric,5,senderstr); | |
1031 | ||
1032 | va_start(va,format); | |
1033 | /* 10 bytes of numeric, 5 bytes of fixed format + terminator = 17 bytes */ | |
1034 | /* So max sendable message is 495 bytes. Of course, a client won't be able | |
1035 | * to receive this.. */ | |
1036 | ||
1037 | vsnprintf(buf,BUFSIZE-17,format,va); | |
1038 | va_end(va); | |
1039 | ||
1040 | if (connected) { | |
1041 | irc_send("%s P %s :%s",senderstr,cp->index->name->content,buf); | |
1042 | } | |
1043 | } | |
1044 | ||
9408ae5d | 1045 | void sendopnoticetochannel(nick *source, channel *cp, char *format, ... ) { |
1046 | char buf[BUFSIZE]; | |
1047 | char senderstr[6]; | |
1048 | va_list va; | |
1049 | ||
1050 | if (!source) | |
1051 | return; | |
1052 | ||
1053 | longtonumeric2(source->numeric,5,senderstr); | |
1054 | ||
1055 | va_start(va,format); | |
1056 | /* 10 bytes of numeric, 5 bytes of fixed format + terminator = 17 bytes */ | |
1057 | /* So max sendable message is 495 bytes. Of course, a client won't be able | |
1058 | * to receive this.. */ | |
1059 | ||
1060 | vsnprintf(buf,BUFSIZE-17,format,va); | |
1061 | va_end(va); | |
1062 | ||
1063 | if (connected) { | |
1064 | irc_send("%s WC %s :%s",senderstr,cp->index->name->content,buf); | |
1065 | } | |
1066 | } | |
1067 | ||
c86edd1d Q |
1068 | void localinvite(nick *source, channel *cp, nick *target) { |
1069 | ||
1070 | /* Servers can't send invites */ | |
1071 | if (!source) | |
1072 | return; | |
1073 | ||
1074 | /* CHECK: Does the sender have to be on the relevant channel? */ | |
1075 | ||
1076 | /* For some reason invites are sent with the target nick as | |
1077 | * argument */ | |
1078 | if (connected) { | |
1079 | irc_send("%s I %s :%s",longtonumeric(source->numeric,5), | |
1080 | target->nick, cp->index->name->content); | |
1081 | } | |
1082 | } | |
1083 |