]>
Commit | Line | Data |
---|---|---|
c86edd1d Q |
1 | /* channel.c */ |
2 | ||
f2b36aa8 CP |
3 | #include <stdio.h> |
4 | #include <string.h> | |
5 | ||
c86edd1d Q |
6 | #include "channel.h" |
7 | #include "../server/server.h" | |
8 | #include "../nick/nick.h" | |
9 | #include "../lib/irc_string.h" | |
10 | #include "../irc/irc_config.h" | |
11 | #include "../parser/parser.h" | |
12 | #include "../irc/irc.h" | |
13 | #include "../lib/base64.h" | |
f2b36aa8 | 14 | #include "../lib/strlfunc.h" |
c86edd1d Q |
15 | |
16 | int handleburstmsg(void *source, int cargc, char **cargv) { | |
17 | channel *cp; | |
18 | time_t timestamp; | |
19 | int wipeout=0; | |
20 | int i; | |
21 | int arg=0; | |
22 | char *charp; | |
23 | int newlimit; | |
24 | int waslimit,waskeyed; | |
25 | char *nextnum; | |
26 | unsigned long currentmode; | |
27 | int isnewchan; | |
28 | ||
29 | /* (we don't see the first 2 params in cargc) */ | |
30 | /* AK B #+lod+ 1017561154 +tnk eits ATJWu:o,AiW1a,Ag3lV,AiWnl,AE6oI :%*!@D577A90D.kabel.telenet.be */ | |
31 | ||
32 | if (cargc<2) { | |
33 | Error("channel",ERR_WARNING,"Burst message with only %d parameters",cargc); | |
34 | return CMD_OK; | |
35 | } | |
36 | ||
37 | timestamp=strtol(cargv[1],NULL,10); | |
38 | ||
39 | if ((cp=findchannel(cargv[0]))==NULL) { | |
40 | /* We don't have this channel already */ | |
41 | cp=createchannel(cargv[0]); | |
42 | cp->timestamp=timestamp; | |
43 | isnewchan=1; | |
44 | } else { | |
45 | isnewchan=0; | |
46 | if (timestamp<cp->timestamp) { | |
47 | /* The incoming timestamp is older. Erase all our current channel modes, and the topic. */ | |
48 | cp->timestamp=timestamp; | |
49 | freesstring(cp->topic); | |
50 | cp->topic=NULL; | |
51 | cp->topictime=0; | |
52 | freesstring(cp->key); | |
53 | cp->key=NULL; | |
54 | cp->limit=0; | |
55 | cp->flags=0; | |
56 | clearallbans(cp); | |
57 | /* Remove all +v, +o we currently have */ | |
58 | for(i=0;i<cp->users->hashsize;i++) { | |
59 | if (cp->users->content[i]!=nouser) { | |
60 | cp->users->content[i]&=CU_NUMERICMASK; | |
61 | } | |
62 | } | |
63 | } else if (timestamp>cp->timestamp) { | |
64 | /* The incoming timestamp is greater. Ignore any incoming modes they may happen to set */ | |
65 | wipeout=1; | |
66 | } | |
67 | } | |
68 | ||
69 | /* OK, dealt with the name and timestamp. | |
70 | * Loop over the remaining args */ | |
71 | for (arg=2;arg<cargc;arg++) { | |
72 | if (cargv[arg][0]=='+') { | |
73 | /* Channel modes */ | |
74 | if (wipeout) { | |
75 | /* We ignore the modes, but we need to see if they include +l or +k | |
76 | * so that we can ignore their corresponding values */ | |
77 | for (charp=cargv[arg];*charp;charp++) { | |
78 | if (*charp=='k' || *charp=='l') { | |
79 | arg++; | |
80 | } | |
81 | } | |
82 | } else { | |
83 | /* Clear off the limit and key flags before calling setflags so we can see if the burst tried to set them */ | |
84 | /* If the burst doesn't set them, we restore them afterwards */ | |
85 | waslimit=IsLimit(cp); ClearLimit(cp); | |
86 | waskeyed=IsKey(cp); ClearKey(cp); | |
87 | /* We can then use the flag function for these modes */ | |
88 | setflags(&(cp->flags),CHANMODE_ALL,cargv[arg],cmodeflags,REJECT_NONE); | |
89 | /* Pick up the limit and key, if they were set. Note that the limit comes first */ | |
90 | if (IsLimit(cp)) { /* A limit was SET by the burst */ | |
91 | if (++arg>=cargc) { | |
92 | /* Ran out of args -- damn ircd is spewing out crap again */ | |
93 | Error("channel",ERR_WARNING,"Burst +l with no argument"); | |
94 | break; /* "break" being the operative word */ | |
95 | } else { | |
96 | newlimit=strtol(cargv[arg],NULL,10); | |
97 | } | |
98 | if (cp->limit>0 && waslimit) { | |
99 | /* We had a limit before -- we now have the lowest one of the two */ | |
100 | if (newlimit<cp->limit) { | |
101 | cp->limit=newlimit; | |
102 | } | |
103 | } else { | |
104 | /* No limit before -- we just have the new one */ | |
105 | cp->limit=newlimit; | |
106 | } | |
107 | } else if (waslimit) { | |
108 | SetLimit(cp); /* We had a limit before, but the burst didn't set one. Restore flag. */ | |
109 | } | |
110 | ||
111 | if (IsKey(cp)) { /* A key was SET by the burst */ | |
112 | if (++arg>=cargc) { | |
113 | /* Ran out of args -- oopsie! */ | |
114 | Error("channel",ERR_WARNING,"Burst +k with no argument"); | |
115 | break; | |
116 | } | |
117 | if (waskeyed) { | |
118 | /* We had a key before -- alphabetically first wins */ | |
119 | if (ircd_strcmp(cargv[arg],cp->key->content)<0) { | |
120 | /* Replace our key */ | |
121 | freesstring(cp->key); | |
122 | cp->key=getsstring(cargv[arg],KEYLEN); | |
123 | } | |
124 | } else { | |
125 | /* No key before -- just the new one */ | |
126 | cp->key=getsstring(cargv[arg],KEYLEN); | |
127 | } | |
128 | } else if (waskeyed) { | |
129 | SetKey(cp); /* We had a key before, but the burst didn't set one. Restore flag. */ | |
130 | } | |
131 | } | |
132 | } else if (cargv[arg][0]=='%') { | |
133 | /* We have one or more bans here */ | |
134 | nextnum=cargv[arg]+1; | |
135 | while (*nextnum) { | |
136 | /* Split off the next ban */ | |
137 | for (charp=nextnum;*charp;charp++) { | |
138 | if (*charp==' ') { | |
139 | *charp='\0'; | |
140 | charp++; | |
141 | break; | |
142 | } | |
143 | } | |
144 | setban(cp,nextnum); | |
145 | nextnum=charp; | |
146 | } | |
147 | } else { | |
148 | /* List of numerics */ | |
149 | nextnum=charp=cargv[arg]; | |
150 | currentmode=0; | |
151 | while (*nextnum!='\0') { | |
152 | /* Step over the next numeric */ | |
153 | for (i=0;i<5;i++) { | |
154 | if (*charp++=='\0') | |
155 | break; | |
156 | } | |
157 | if (i<5) { | |
158 | break; | |
159 | } | |
160 | if (*charp==',') { | |
161 | *charp='\0'; | |
162 | charp++; | |
163 | } else if (*charp==':') { | |
164 | *charp='\0'; | |
165 | charp++; | |
166 | currentmode=0; | |
167 | /* Look for modes */ | |
168 | for (;*charp;charp++) { | |
169 | if (*charp=='v') { | |
170 | currentmode|=CUMODE_VOICE; | |
171 | } else if (*charp=='o') { | |
172 | currentmode|=CUMODE_OP; | |
173 | } else if (*charp==',') { | |
174 | charp++; | |
175 | break; | |
176 | } | |
177 | } | |
178 | /* If we're ignore incoming modes, zap it to zero again */ | |
179 | if (wipeout) { | |
180 | currentmode=0; | |
181 | } | |
182 | } | |
183 | /* OK. At this point charp points to either '\0' if we're at the end, | |
184 | * or the start of the next numeric otherwise. nextnum points at a valid numeric | |
185 | * we need to add, and currentmode reflects the correct mode */ | |
186 | addnicktochannel(cp,(numerictolong(nextnum,5)|currentmode)); | |
187 | nextnum=charp; | |
188 | } | |
189 | } | |
190 | } | |
191 | if (cp->users->totalusers==0) { | |
192 | /* Oh dear, the channel is now empty. Perhaps one of those | |
193 | * charming empty burst messages you get sometimes.. */ | |
194 | if (!isnewchan) { | |
195 | /* I really don't think this can happen, can it..? */ | |
196 | /* Only send the LOSTCHANNEL if the channel existed before */ | |
197 | triggerhook(HOOK_CHANNEL_LOSTCHANNEL,cp); | |
198 | } | |
199 | delchannel(cp); | |
200 | } else { | |
201 | /* If this is a new channel, we do the NEWCHANNEL hook also */ | |
202 | if (isnewchan) { | |
203 | triggerhook(HOOK_CHANNEL_NEWCHANNEL,cp); | |
204 | } | |
205 | /* Just one hook to say "something happened to this channel" */ | |
206 | triggerhook(HOOK_CHANNEL_BURST,cp); | |
207 | } | |
208 | ||
209 | return CMD_OK; | |
210 | } | |
211 | ||
212 | int handlejoinmsg(void *source, int cargc, char **cargv) { | |
213 | char *pos,*nextchan; | |
214 | nick *np; | |
62f9b4e9 | 215 | void *harg[3]; |
c86edd1d Q |
216 | channel *cp,**ch; |
217 | long timestamp=0; | |
218 | int i; | |
219 | int newchan=0; | |
220 | ||
221 | if (cargc<1) { | |
222 | return CMD_OK; | |
223 | } | |
224 | ||
225 | if (cargc>1) { | |
226 | /* We must have received a timestamp too */ | |
227 | timestamp=strtol(cargv[1],NULL,10); | |
228 | } | |
229 | ||
230 | /* Find out who we are talking about here */ | |
231 | np=getnickbynumericstr(source); | |
232 | if (np==NULL) { | |
16739dbe | 233 | Error("channel",ERR_WARNING,"Channel join from non existent user %s",(char *)source); |
c86edd1d Q |
234 | return CMD_OK; |
235 | } | |
236 | ||
237 | nextchan=pos=cargv[0]; | |
238 | while (*nextchan!='\0') { | |
239 | /* Find the next chan position */ | |
240 | for (;*pos!='\0' && *pos!=',';pos++) | |
241 | ; /* Empty loop */ | |
242 | ||
243 | if (*pos==',') { | |
244 | *pos='\0'; | |
245 | pos++; | |
246 | } | |
247 | ||
248 | /* OK, pos now points at either null or the next chan | |
249 | * and nextchan now points at the channel name we want to parse next */ | |
250 | ||
251 | if(nextchan[0]=='0' && nextchan[1]=='\0') { | |
252 | /* Leave all channels | |
253 | * We do this as if they were leaving the network, | |
254 | * then vape their channels array and start again */ | |
255 | ch=(channel **)(np->channels->content); | |
256 | for(i=0;i<np->channels->cursi;i++) { | |
257 | /* Send hook */ | |
258 | harg[0]=ch[i]; | |
259 | harg[1]=np; | |
5328e616 | 260 | harg[2]=NULL; |
c86edd1d Q |
261 | triggerhook(HOOK_CHANNEL_PART,harg); |
262 | delnickfromchannel(ch[i],np->numeric,0); | |
263 | } | |
264 | array_free(np->channels); | |
265 | array_init(np->channels,sizeof(channel *)); | |
266 | } else { | |
267 | /* It's an actual channel join */ | |
268 | newchan=0; | |
269 | if ((cp=findchannel(nextchan))==NULL) { | |
270 | /* User joined non-existent channel - create it. Note that createchannel automatically | |
271 | * puts the right magic timestamp in for us */ | |
272 | Error("channel",ERR_DEBUG,"User %s joined non existent channel %s.",np->nick,nextchan); | |
273 | cp=createchannel(nextchan); | |
274 | newchan=1; | |
275 | } | |
276 | if (cp->timestamp==MAGIC_REMOTE_JOIN_TS && timestamp) { | |
277 | /* No valid timestamp on the chan and we received one -- set */ | |
278 | cp->timestamp=timestamp; | |
279 | } | |
280 | /* OK, this is slightly inefficient since we turn the nick * into a numeric, | |
281 | * and addnicktochannel then converts it back again. BUT it's fewer lines of code :) */ | |
282 | if (addnicktochannel(cp,np->numeric)) { | |
283 | /* The user wasn't added */ | |
284 | if (newchan) { | |
285 | delchannel(cp); | |
286 | } | |
e2f3cad8 | 287 | } else { |
288 | chanindex *cip=cp->index; | |
289 | ||
c86edd1d Q |
290 | /* If we just created a channel, flag it */ |
291 | if (newchan) { | |
292 | triggerhook(HOOK_CHANNEL_NEWCHANNEL,cp); | |
293 | } | |
e2f3cad8 | 294 | |
295 | /* Don't send HOOK_CHANNEL_JOIN if the channel doesn't exist any | |
296 | * more (can happen if something destroys it in response to | |
297 | * HOOK_CHANNEL_NEWCHANNEL) */ | |
298 | if (cp == cip->channel) { | |
299 | /* send hook */ | |
300 | harg[0]=cp; | |
301 | harg[1]=np; | |
302 | triggerhook(HOOK_CHANNEL_JOIN,harg); | |
303 | } | |
c86edd1d Q |
304 | } |
305 | } | |
306 | nextchan=pos; | |
307 | } | |
308 | return CMD_OK; | |
309 | } | |
310 | ||
311 | int handlecreatemsg(void *source, int cargc, char **cargv) { | |
312 | char *pos,*nextchan; | |
313 | nick *np; | |
314 | channel *cp; | |
315 | long timestamp=0; | |
316 | int newchan=1; | |
317 | void *harg[2]; | |
318 | ||
319 | if (cargc<2) { | |
320 | return CMD_OK; | |
321 | } | |
322 | ||
323 | timestamp=strtol(cargv[1],NULL,10); | |
324 | ||
325 | /* Find out who we are talking about here */ | |
326 | np=getnickbynumericstr(source); | |
327 | if (np==NULL) { | |
16739dbe | 328 | Error("channel",ERR_WARNING,"Channel create from non existent user %s",(char *)source); |
c86edd1d Q |
329 | return CMD_OK; |
330 | } | |
331 | ||
332 | nextchan=pos=cargv[0]; | |
333 | while (*nextchan!='\0') { | |
334 | /* Find the next chan position */ | |
335 | for (;*pos!='\0' && *pos!=',';pos++) | |
336 | ; /* Empty loop */ | |
337 | ||
338 | if (*pos==',') { | |
339 | *pos='\0'; | |
340 | pos++; | |
341 | } | |
342 | ||
343 | /* OK, pos now points at either null or the next chan | |
344 | * and nextchan now points at the channel name we want to parse next */ | |
345 | ||
346 | /* It's a channel create */ | |
347 | if ((cp=findchannel(nextchan))==NULL) { | |
348 | /* This is the expected case -- the channel didn't exist before */ | |
349 | cp=createchannel(nextchan); | |
350 | cp->timestamp=timestamp; | |
351 | newchan=1; | |
352 | } else { | |
353 | Error("channel",ERR_DEBUG,"Received CREATE for already existing channel %s",cp->index->name->content); | |
354 | if (cp->timestamp==MAGIC_REMOTE_JOIN_TS && timestamp) { | |
355 | /* No valid timestamp on the chan and we received one -- set */ | |
356 | cp->timestamp=timestamp; | |
357 | } | |
358 | newchan=0; | |
359 | } | |
360 | /* Add the user to the channel, preopped */ | |
361 | if (addnicktochannel(cp,(np->numeric)|CUMODE_OP)) { | |
362 | if (newchan) { | |
363 | delchannel(cp); | |
364 | } | |
e2f3cad8 | 365 | } else { |
366 | chanindex *cip = cp->index; | |
367 | ||
c86edd1d Q |
368 | /* Flag the channel as new if necessary */ |
369 | if (newchan) { | |
370 | triggerhook(HOOK_CHANNEL_NEWCHANNEL,cp); | |
371 | } | |
372 | ||
e2f3cad8 | 373 | /* If HOOK_CHANNEL_NEWCHANNEL has caused the channel to be deleted, |
374 | * don't trigger the CREATE hook. */ | |
375 | if (cip->channel == cp) { | |
376 | /* Trigger hook */ | |
377 | harg[0]=cp; | |
378 | harg[1]=np; | |
379 | triggerhook(HOOK_CHANNEL_CREATE,harg); | |
380 | } | |
c86edd1d Q |
381 | } |
382 | nextchan=pos; | |
383 | } | |
384 | ||
385 | return CMD_OK; | |
386 | } | |
387 | ||
388 | int handlepartmsg(void *source, int cargc, char **cargv) { | |
389 | char *pos,*nextchan; | |
390 | nick *np; | |
391 | channel *cp; | |
392 | void *harg[3]; | |
393 | ||
394 | if (cargc<1) { | |
395 | return CMD_OK; | |
396 | } | |
397 | ||
398 | if (cargc>2) { | |
399 | Error("channel",ERR_WARNING,"PART with too many parameters (%d)",cargc); | |
400 | } | |
401 | ||
402 | if (cargc>1) { | |
403 | harg[2]=(void *)cargv[1]; | |
404 | } else { | |
405 | harg[2]=(void *)""; | |
406 | } | |
407 | ||
408 | /* Find out who we are talking about here */ | |
409 | np=getnickbynumericstr(source); | |
410 | if (np==NULL) { | |
16739dbe | 411 | Error("channel",ERR_WARNING,"PART from non existent numeric %s",(char *)source); |
c86edd1d Q |
412 | return CMD_OK; |
413 | } | |
414 | ||
415 | harg[1]=np; | |
416 | ||
417 | nextchan=pos=cargv[0]; | |
418 | while (*nextchan!='\0') { | |
419 | /* Find the next chan position */ | |
420 | for (;*pos!='\0' && *pos!=',';pos++) | |
421 | ; /* Empty loop */ | |
422 | ||
423 | if (*pos==',') { | |
424 | *pos='\0'; | |
425 | pos++; | |
426 | } | |
427 | ||
428 | /* OK, pos now points at either null or the next chan | |
429 | * and nextchan now points at the channel name we want to parse next */ | |
430 | ||
431 | if ((cp=findchannel(nextchan))==NULL) { | |
432 | /* Erm, parting a channel that's not there?? */ | |
433 | Error("channel",ERR_WARNING,"Nick %s left non-existent channel %s",np->nick,nextchan); | |
434 | } else { | |
435 | /* Trigger hook *FIRST* */ | |
436 | harg[0]=cp; | |
437 | triggerhook(HOOK_CHANNEL_PART,harg); | |
438 | ||
439 | delnickfromchannel(cp,np->numeric,1); | |
440 | } | |
441 | nextchan=pos; | |
442 | } | |
443 | ||
444 | return CMD_OK; | |
445 | } | |
446 | ||
447 | int handlekickmsg(void *source, int cargc, char **cargv) { | |
448 | nick *np,*kicker; | |
449 | channel *cp; | |
450 | void *harg[4]; | |
451 | ||
452 | if (cargc<3) { | |
453 | return CMD_OK; | |
454 | } | |
455 | ||
456 | /* Find out who we are talking about here */ | |
457 | if ((np=getnickbynumericstr(cargv[1]))==NULL) { | |
16739dbe | 458 | Error("channel",ERR_DEBUG,"Non-existant numeric %s kicked from channel %s",(char *)source,cargv[0]); |
c86edd1d Q |
459 | return CMD_OK; |
460 | } | |
461 | ||
462 | /* And who did the kicking */ | |
463 | if (((char *)source)[2]=='\0') { | |
464 | /* 'Twas a server.. */ | |
465 | kicker=NULL; | |
466 | } else if ((kicker=getnickbynumericstr((char *)source))==NULL) { | |
467 | /* It looks strange, but we let the kick go through anyway */ | |
468 | Error("channel",ERR_DEBUG,"Kick from non-existant nick %s",(char *)source); | |
469 | } | |
470 | ||
471 | /* And find out which channel */ | |
472 | if ((cp=findchannel(cargv[0]))==NULL) { | |
473 | /* OK, not a channel that actually exists then.. */ | |
474 | Error("channel",ERR_DEBUG,"Nick %s kicked from non-existent channel %s",np->nick,cargv[0]); | |
475 | } else { | |
476 | /* Before we do anything else, we have to acknowledge the kick to the network */ | |
477 | if (homeserver(np->numeric)==mylongnum) { | |
478 | irc_send("%s L %s",longtonumeric(np->numeric,5),cp->index->name->content); | |
479 | } | |
480 | ||
481 | /* Trigger hook *FIRST* */ | |
482 | harg[0]=cp; | |
483 | harg[1]=np; | |
484 | harg[2]=kicker; | |
485 | harg[3]=cargv[2]; | |
486 | triggerhook(HOOK_CHANNEL_KICK,harg); | |
487 | ||
488 | /* We let delnickfromchannel() worry about whether this nick is actually on this channel */ | |
489 | delnickfromchannel(cp,np->numeric,1); | |
490 | } | |
491 | ||
492 | return CMD_OK; | |
493 | } | |
494 | ||
495 | int handletopicmsg(void *source, int cargc, char **cargv) { | |
496 | channel *cp; | |
497 | nick *np; | |
498 | void *harg[2]; | |
499 | time_t topictime=0, timestamp=0; | |
500 | ||
501 | if (cargc<2) { | |
502 | return CMD_OK; | |
503 | } | |
504 | ||
505 | if (cargc>2) | |
506 | topictime=strtol(cargv[cargc-2], NULL, 10); | |
507 | ||
508 | if (cargc>3) | |
509 | timestamp=strtol(cargv[cargc-3], NULL, 10); | |
510 | ||
266bf9c1 CP |
511 | np=getnickbynumericstr((char *)source); |
512 | ||
6404bd54 | 513 | /* The following check removed because servers can set topics.. */ |
514 | #if 0 | |
266bf9c1 | 515 | if (np==NULL) { |
c86edd1d Q |
516 | /* We should check the sender exists, but we still change the topic even if it doesn't */ |
517 | Error("channel",ERR_WARNING,"Topic change by non-existent user %s",(char *)source); | |
518 | } | |
6404bd54 | 519 | #endif |
c86edd1d Q |
520 | |
521 | /* Grab channel pointer */ | |
522 | if ((cp=findchannel(cargv[0]))==NULL) { | |
523 | /* We're not going to create a channel for the sake of a topic.. */ | |
524 | return CMD_OK; | |
525 | } else { | |
526 | if (timestamp && (cp->timestamp < timestamp)) { | |
527 | /* Ignore topic change for younger channel | |
528 | * (note that topic change for OLDER channel should be impossible!) */ | |
529 | return CMD_OK; | |
530 | } | |
531 | if (topictime && (cp->topictime > topictime)) { | |
532 | /* Ignore topic change with older topic */ | |
533 | return CMD_OK; | |
534 | } | |
535 | if (cp->topic!=NULL) { | |
536 | freesstring(cp->topic); | |
537 | } | |
538 | if (cargv[cargc-1][0]=='\0') { | |
539 | cp->topic=NULL; | |
540 | cp->topictime=0; | |
541 | } else { | |
542 | cp->topic=getsstring(cargv[cargc-1],TOPICLEN); | |
543 | cp->topictime=topictime?topictime:getnettime(); | |
544 | } | |
545 | /* Trigger hook */ | |
546 | harg[0]=cp; | |
547 | harg[1]=np; | |
548 | triggerhook(HOOK_CHANNEL_TOPIC,harg); | |
549 | } | |
550 | ||
551 | return CMD_OK; | |
552 | } | |
553 | ||
554 | /* | |
555 | * Note that this function is also used for processing OPMODE messages. | |
556 | * There is no checking on the source etc. anyway, so this should be OK. | |
557 | * (we are trusting ircd not to feed us bogus modes) | |
558 | */ | |
559 | ||
560 | int handlemodemsg(void *source, int cargc, char **cargv) { | |
561 | channel *cp; | |
562 | int dir=1; | |
563 | int arg=2; | |
564 | char *modestr; | |
565 | unsigned long *lp; | |
566 | void *harg[3]; | |
567 | nick *np, *target; | |
568 | int hooknum; | |
569 | int changes=0; | |
570 | ||
571 | if (cargc<2) { | |
572 | return CMD_OK; | |
573 | } | |
574 | ||
575 | if (cargv[0][0]!='#' && cargv[0][0]!='+') { | |
576 | /* Not a channel, ignore */ | |
577 | return CMD_OK; | |
578 | } | |
579 | ||
580 | if ((cp=findchannel(cargv[0]))==NULL) { | |
581 | /* No channel, abort */ | |
582 | Error("channel",ERR_WARNING,"Mode change on non-existent channel %s",cargv[0]); | |
583 | return CMD_OK; | |
584 | } | |
585 | ||
586 | if (((char *)source)[2]=='\0') { | |
587 | /* Server mode change, treat as divine intervention */ | |
588 | np=NULL; | |
589 | } else if ((np=getnickbynumericstr((char *)source))==NULL) { | |
590 | /* No sender, continue but moan */ | |
591 | Error("channel",ERR_WARNING,"Mode change by non-existent user %s on channel %s",(char *)source,cp->index->name->content); | |
592 | } | |
593 | ||
594 | /* Set up the hook data */ | |
595 | harg[0]=cp; | |
596 | harg[1]=np; | |
597 | ||
598 | /* Process the mode string one character at a time */ | |
599 | /* Maybe I'll write this more intelligently one day if I can comprehend the ircu code that does this */ | |
600 | for (modestr=cargv[1];*modestr;modestr++) { | |
601 | switch(*modestr) { | |
602 | /* Set whether we are adding or removing modes */ | |
603 | ||
604 | case '+': | |
605 | dir=1; | |
606 | break; | |
607 | ||
608 | case '-': | |
609 | dir=0; | |
610 | break; | |
611 | ||
612 | /* Simple modes: just set or clear based on value of dir */ | |
613 | ||
614 | case 'n': | |
615 | if (dir) { SetNoExtMsg(cp); } else { ClearNoExtMsg(cp); } | |
616 | changes |= MODECHANGE_MODES; | |
617 | break; | |
618 | ||
619 | case 't': | |
620 | if (dir) { SetTopicLimit(cp); } else { ClearTopicLimit(cp); } | |
621 | changes |= MODECHANGE_MODES; | |
622 | break; | |
623 | ||
624 | case 's': | |
625 | if (dir) { SetSecret(cp); ClearPrivate(cp); } else { ClearSecret(cp); } | |
626 | changes |= MODECHANGE_MODES; | |
627 | break; | |
628 | ||
629 | case 'p': | |
630 | if (dir) { SetPrivate(cp); ClearSecret(cp); } else { ClearPrivate(cp); } | |
631 | changes |= MODECHANGE_MODES; | |
632 | break; | |
633 | ||
634 | case 'i': | |
635 | if (dir) { SetInviteOnly(cp); } else { ClearInviteOnly(cp); } | |
636 | changes |= MODECHANGE_MODES; | |
637 | break; | |
638 | ||
639 | case 'm': | |
640 | if (dir) { SetModerated(cp); } else { ClearModerated(cp); } | |
641 | changes |= MODECHANGE_MODES; | |
642 | break; | |
643 | ||
644 | case 'c': | |
645 | if (dir) { SetNoColour(cp); } else { ClearNoColour(cp); } | |
646 | changes |= MODECHANGE_MODES; | |
647 | break; | |
648 | ||
649 | case 'C': | |
650 | if (dir) { SetNoCTCP(cp); } else { ClearNoCTCP(cp); } | |
651 | changes |= MODECHANGE_MODES; | |
652 | break; | |
653 | ||
654 | case 'r': | |
655 | if (dir) { SetRegOnly(cp); } else { ClearRegOnly(cp); } | |
656 | changes |= MODECHANGE_MODES; | |
657 | break; | |
658 | ||
659 | case 'D': | |
660 | if (dir) { SetDelJoins(cp); } else { ClearDelJoins(cp); } | |
661 | changes |= MODECHANGE_MODES; | |
662 | break; | |
663 | ||
664 | case 'u': | |
665 | if (dir) { SetNoQuitMsg(cp); } else { ClearNoQuitMsg(cp); } | |
666 | changes |= MODECHANGE_MODES; | |
667 | break; | |
668 | ||
669 | case 'N': | |
670 | if (dir) { SetNoNotice(cp); } else { ClearNoNotice(cp); } | |
671 | changes |= MODECHANGE_MODES; | |
672 | break; | |
673 | ||
73a2c60a | 674 | case 'M': |
675 | if (dir) { SetModNoAuth(cp); } else { ClearModNoAuth(cp); } | |
676 | changes |= MODECHANGE_MODES; | |
677 | break; | |
678 | ||
679 | case 'T': | |
680 | if (dir) { SetSingleTarg(cp); } else { ClearSingleTarg(cp); } | |
681 | changes |= MODECHANGE_MODES; | |
682 | break; | |
683 | ||
c86edd1d Q |
684 | /* Parameter modes: advance parameter and possibly read it in */ |
685 | ||
686 | case 'l': | |
687 | if (dir) { | |
688 | /* +l uses a parameter, but -l does not. | |
689 | * If there is no parameter, don't set the mode. | |
690 | * I guess we should moan too in that case, but | |
691 | * they might be even nastier to us if we do ;) */ | |
692 | if (arg<cargc) { | |
693 | cp->limit=strtol(cargv[arg++],NULL,10); | |
694 | SetLimit(cp); | |
695 | } | |
696 | } else { | |
697 | ClearLimit(cp); | |
698 | cp->limit=0; | |
699 | } | |
700 | changes |= MODECHANGE_MODES; | |
701 | break; | |
702 | ||
703 | case 'k': | |
704 | if (dir) { | |
705 | /* +k uses a parameter in both directions */ | |
706 | if (arg<cargc) { | |
707 | freesstring(cp->key); /* It's probably NULL, but be safe */ | |
708 | cp->key=getsstring(cargv[arg++],KEYLEN); | |
709 | SetKey(cp); | |
710 | } | |
711 | } else { | |
712 | freesstring(cp->key); | |
713 | cp->key=NULL; | |
714 | ClearKey(cp); | |
715 | arg++; /* Eat the arg without looking at it, even if it's not there */ | |
716 | } | |
717 | changes |= MODECHANGE_MODES; | |
718 | break; | |
719 | ||
720 | /* Op/Voice */ | |
721 | ||
722 | case 'o': | |
723 | case 'v': | |
724 | if (arg<cargc) { | |
725 | if((lp=getnumerichandlefromchanhash(cp->users,numerictolong(cargv[arg++],5)))==NULL) { | |
726 | /* They're not on the channel; MODE crossed with part/kill/kick/blah */ | |
727 | Error("channel",ERR_DEBUG,"Mode change for user %s not on channel %s",cargv[arg-1],cp->index->name->content); | |
728 | } else { | |
729 | if ((target=getnickbynumeric(*lp))==NULL) { | |
730 | /* This really is a fuckup, we found them on the channel but there isn't a user with that numeric */ | |
731 | /* This means there's a serious bug in the nick/channel tracking code */ | |
732 | Error("channel",ERR_ERROR,"Mode change for user %s on channel %s who doesn't exist",cargv[arg-1],cp->index->name->content); | |
733 | } else { /* Do the mode change whilst admiring the beautiful code layout */ | |
734 | harg[2]=target; | |
735 | if (*modestr=='o') { if (dir) { *lp |= CUMODE_OP; hooknum=HOOK_CHANNEL_OPPED; } else | |
736 | { *lp &= ~CUMODE_OP; hooknum=HOOK_CHANNEL_DEOPPED; } } | |
737 | else { if (dir) { *lp |= CUMODE_VOICE; hooknum=HOOK_CHANNEL_VOICED; } else | |
738 | { *lp &= ~CUMODE_VOICE; hooknum=HOOK_CHANNEL_DEVOICED; } } | |
739 | triggerhook(hooknum,harg); | |
740 | } | |
741 | } | |
742 | } | |
743 | changes |= MODECHANGE_USERS; | |
744 | break; | |
745 | ||
746 | case 'b': | |
747 | if (arg<cargc) { | |
748 | if (dir) { | |
749 | setban(cp,cargv[arg++]); | |
750 | triggerhook(HOOK_CHANNEL_BANSET,harg); | |
751 | } else { | |
752 | clearban(cp,cargv[arg++],0); | |
753 | triggerhook(HOOK_CHANNEL_BANCLEAR,harg); | |
754 | } | |
755 | } | |
756 | changes |= MODECHANGE_BANS; | |
757 | break; | |
758 | ||
759 | default: | |
760 | Error("channel",ERR_DEBUG,"Unknown mode char '%c' %s on %s",*modestr,dir?"set":"cleared",cp->index->name->content); | |
761 | break; | |
762 | } | |
763 | } | |
764 | ||
c3db6f7e | 765 | harg[2]=(void *)((long)changes); |
c86edd1d Q |
766 | triggerhook(HOOK_CHANNEL_MODECHANGE,(void *)harg); |
767 | return CMD_OK; | |
768 | } | |
769 | ||
770 | /* | |
771 | * Deal with 2.10.11ism: CLEARMODE | |
772 | * | |
773 | * [hAAA CM #twilightzone ovpsmikbl | |
774 | */ | |
775 | ||
776 | int handleclearmodemsg(void *source, int cargc, char **cargv) { | |
777 | channel *cp; | |
778 | void *harg[3]; | |
779 | nick *np, *target; | |
780 | char *mcp; | |
781 | unsigned long usermask=0; | |
782 | int i; | |
783 | int changes=0; | |
784 | ||
785 | if (cargc<2) { | |
786 | return CMD_OK; | |
787 | } | |
788 | ||
789 | if ((cp=findchannel(cargv[0]))==NULL) { | |
790 | /* No channel, abort */ | |
791 | Error("channel",ERR_WARNING,"Mode change on non-existent channel %s",cargv[0]); | |
792 | return CMD_OK; | |
793 | } | |
794 | ||
795 | if (((char *)source)[2]=='\0') { | |
796 | /* Server mode change? (I don't think servers are allowed to do CLEARMODE) */ | |
797 | np=NULL; | |
798 | } else if ((np=getnickbynumericstr((char *)source))==NULL) { | |
799 | /* No sender, continue but moan */ | |
800 | Error("channel",ERR_WARNING,"Mode change by non-existent user %s on channel %s",(char *)source,cp->index->name->content); | |
801 | } | |
802 | ||
803 | harg[0]=cp; | |
804 | harg[1]=np; | |
805 | ||
806 | for (mcp=cargv[1];*mcp;mcp++) { | |
807 | switch (*mcp) { | |
808 | case 'o': | |
809 | usermask |= CUMODE_OP; | |
810 | changes |= MODECHANGE_USERS; | |
811 | break; | |
812 | ||
813 | case 'v': | |
814 | usermask |= CUMODE_VOICE; | |
815 | changes |= MODECHANGE_USERS; | |
816 | break; | |
817 | ||
818 | case 'n': | |
819 | ClearNoExtMsg(cp); | |
820 | changes |= MODECHANGE_MODES; | |
821 | break; | |
822 | ||
823 | case 't': | |
824 | ClearTopicLimit(cp); | |
825 | changes |= MODECHANGE_MODES; | |
826 | break; | |
827 | ||
828 | case 's': | |
829 | ClearSecret(cp); | |
830 | changes |= MODECHANGE_MODES; | |
831 | break; | |
832 | ||
833 | case 'p': | |
834 | ClearPrivate(cp); | |
835 | changes |= MODECHANGE_MODES; | |
836 | break; | |
837 | ||
838 | case 'i': | |
839 | ClearInviteOnly(cp); | |
840 | changes |= MODECHANGE_MODES; | |
841 | break; | |
842 | ||
843 | case 'm': | |
844 | ClearModerated(cp); | |
845 | changes |= MODECHANGE_MODES; | |
846 | break; | |
847 | ||
848 | case 'c': | |
849 | ClearNoColour(cp); | |
850 | changes |= MODECHANGE_MODES; | |
851 | break; | |
852 | ||
853 | case 'C': | |
854 | ClearNoCTCP(cp); | |
855 | changes |= MODECHANGE_MODES; | |
856 | break; | |
857 | ||
858 | case 'r': | |
859 | ClearRegOnly(cp); | |
860 | changes |= MODECHANGE_MODES; | |
861 | break; | |
862 | ||
863 | case 'D': | |
864 | ClearDelJoins(cp); | |
865 | changes |= MODECHANGE_MODES; | |
866 | break; | |
867 | ||
868 | case 'u': | |
869 | ClearNoQuitMsg(cp); | |
870 | changes |= MODECHANGE_MODES; | |
871 | break; | |
872 | ||
873 | case 'N': | |
874 | ClearNoNotice(cp); | |
875 | changes |= MODECHANGE_MODES; | |
876 | break; | |
73a2c60a | 877 | |
878 | case 'M': | |
879 | ClearModNoAuth(cp); | |
880 | changes |= MODECHANGE_MODES; | |
881 | break; | |
882 | ||
883 | case 'T': | |
884 | ClearSingleTarg(cp); | |
885 | changes |= MODECHANGE_MODES; | |
886 | break; | |
c86edd1d Q |
887 | |
888 | case 'b': | |
889 | clearallbans(cp); | |
890 | changes |= MODECHANGE_BANS; | |
891 | break; | |
892 | ||
893 | case 'k': | |
894 | /* This is all safe even if there is no key atm */ | |
895 | freesstring(cp->key); | |
896 | cp->key=NULL; | |
897 | ClearKey(cp); | |
898 | changes |= MODECHANGE_MODES; | |
899 | break; | |
900 | ||
901 | case 'l': | |
902 | cp->limit=0; | |
903 | ClearLimit(cp); | |
904 | changes |= MODECHANGE_MODES; | |
905 | break; | |
906 | } | |
907 | } | |
908 | ||
909 | if (usermask) { | |
910 | /* We have to strip something off each user */ | |
911 | for (i=0;i<cp->users->hashsize;i++) { | |
912 | if (cp->users->content[i]!=nouser && (cp->users->content[i] & usermask)) { | |
913 | /* This user exists and has at least one of the modes we're clearing */ | |
914 | if ((target=getnickbynumeric(cp->users->content[i]))==NULL) { | |
915 | /* This really is a fuckup, we found them on the channel but there isn't a user with that numeric */ | |
916 | /* This means there's a serious bug in the nick/channel tracking code */ | |
917 | Error("channel",ERR_ERROR,"CLEARMODE failed: user on channel who doesn't exist?"); | |
918 | } else { | |
919 | harg[2]=target; | |
920 | /* Yes, these are deliberate three way bitwise ANDs.. */ | |
921 | if (cp->users->content[i] & usermask & CUMODE_OP) | |
922 | triggerhook(HOOK_CHANNEL_DEOPPED, harg); | |
923 | if (cp->users->content[i] & usermask & CUMODE_VOICE) | |
924 | triggerhook(HOOK_CHANNEL_DEVOICED, harg); | |
925 | cp->users->content[i] &= ~usermask; | |
926 | } | |
927 | } | |
928 | } | |
929 | } | |
930 | ||
c3db6f7e | 931 | harg[2]=(void *)((long)changes); |
c86edd1d Q |
932 | triggerhook(HOOK_CHANNEL_MODECHANGE, harg); |
933 | return CMD_OK; | |
934 | } | |
f2b36aa8 CP |
935 | |
936 | void handlewhoischannels(int hooknum, void *arg) { | |
e40b9754 | 937 | channel **chans; |
f2b36aa8 | 938 | char buffer[1024]; |
e40b9754 | 939 | unsigned int bufpos; |
940 | sstring *name; | |
941 | unsigned long *num; | |
f2b36aa8 CP |
942 | int i; |
943 | void **args = (void **)arg; | |
944 | nick *sender = (nick *)args[0], *target = (nick *)args[1]; | |
945 | ||
946 | if(IsService(target) || IsHideChan(target)) | |
947 | return; | |
948 | ||
949 | chans = (channel **)(target->channels->content); | |
950 | ||
951 | buffer[0] = '\0'; | |
e40b9754 | 952 | bufpos=0; |
953 | ||
f2b36aa8 | 954 | /* Not handling delayed joins. */ |
bfae7e88 | 955 | for(i=target->channels->cursi-1;i>=0;i--) { |
e40b9754 | 956 | /* Secret / Private channels: only show if the sender is on the channel as well */ |
957 | if(IsSecret(chans[i]) || IsPrivate(chans[i])) { | |
958 | if (!getnumerichandlefromchanhash(chans[i]->users, sender->numeric)) | |
f2b36aa8 CP |
959 | continue; |
960 | } | |
e40b9754 | 961 | |
f2b36aa8 | 962 | name = chans[i]->index->name; |
e40b9754 | 963 | if (bufpos + name->length > 508) { /* why 508? - need room for -@#channame\0 + 1 slack */ |
f2b36aa8 CP |
964 | irc_send("%s", buffer); |
965 | buffer[0] = '\0'; | |
e40b9754 | 966 | bufpos=0; |
f2b36aa8 CP |
967 | } |
968 | ||
969 | if(buffer[0] == '\0') | |
e40b9754 | 970 | bufpos=snprintf(buffer, sizeof(buffer), ":%s 319 %s %s :", myserver->content, sender->nick, target->nick); |
f2b36aa8 CP |
971 | |
972 | num = getnumerichandlefromchanhash(chans[i]->users, target->numeric); | |
e40b9754 | 973 | |
974 | /* Adding these flags might make the string "unsafe" (without terminating \0). */ | |
975 | /* sprintf'ing the channel name afterwards is guaranteed to fix it though */ | |
976 | if (IsDeaf(target)) | |
977 | buffer[bufpos++]='-'; | |
f2b36aa8 | 978 | if (*num & CUMODE_OP) |
e40b9754 | 979 | buffer[bufpos++]='@'; |
f2b36aa8 | 980 | else if (*num & CUMODE_VOICE) |
e40b9754 | 981 | buffer[bufpos++]='+'; |
f2b36aa8 | 982 | |
e40b9754 | 983 | bufpos += sprintf(buffer+bufpos, "%s ",name->content); |
f2b36aa8 CP |
984 | } |
985 | ||
986 | if (buffer[0] != '\0') | |
987 | irc_send("%s", buffer); | |
988 | } | |
989 |