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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_join.c: Joins a channel. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
24 | * $Id: m_join.c 3494 2007-05-27 13:07:27Z jilles $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "channel.h" | |
29 | #include "client.h" | |
30 | #include "common.h" | |
31 | #include "hash.h" | |
32 | #include "match.h" | |
33 | #include "ircd.h" | |
34 | #include "numeric.h" | |
35 | #include "send.h" | |
36 | #include "s_serv.h" | |
37 | #include "s_conf.h" | |
38 | #include "s_newconf.h" | |
39 | #include "msg.h" | |
40 | #include "parse.h" | |
41 | #include "modules.h" | |
42 | #include "packet.h" | |
43 | #include "chmode.h" | |
44 | ||
45 | static int m_join(struct Client *, struct Client *, int, const char **); | |
46 | static int ms_join(struct Client *, struct Client *, int, const char **); | |
47 | static int ms_sjoin(struct Client *, struct Client *, int, const char **); | |
48 | ||
49 | static int h_can_create_channel; | |
50 | static int h_channel_join; | |
51 | ||
52 | struct Message join_msgtab = { | |
53 | "JOIN", 0, 0, 0, MFLG_SLOW, | |
54 | {mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}} | |
55 | }; | |
56 | ||
57 | struct Message sjoin_msgtab = { | |
58 | "SJOIN", 0, 0, 0, MFLG_SLOW, | |
59 | {mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 4}, mg_ignore, mg_ignore} | |
60 | }; | |
61 | ||
62 | mapi_clist_av1 join_clist[] = { &join_msgtab, &sjoin_msgtab, NULL }; | |
63 | ||
64 | mapi_hlist_av1 join_hlist[] = { | |
65 | { "can_create_channel", &h_can_create_channel }, | |
66 | { "channel_join", &h_channel_join }, | |
67 | { NULL, NULL }, | |
68 | }; | |
69 | ||
70 | DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, join_hlist, NULL, "$Revision: 3494 $"); | |
71 | ||
72 | static void do_join_0(struct Client *client_p, struct Client *source_p); | |
73 | static int check_channel_name_loc(struct Client *source_p, const char *name); | |
74 | ||
75 | static void set_final_mode(struct Mode *mode, struct Mode *oldmode); | |
76 | static void remove_our_modes(struct Channel *chptr, struct Client *source_p); | |
77 | ||
78 | static void remove_ban_list(struct Channel *chptr, struct Client *source_p, | |
79 | rb_dlink_list * list, char c, int mems); | |
80 | ||
81 | static char modebuf[MODEBUFLEN]; | |
82 | static char parabuf[MODEBUFLEN]; | |
83 | static const char *para[MAXMODEPARAMS]; | |
84 | static char *mbuf; | |
85 | static int pargs; | |
86 | ||
87 | /* Check what we will forward to, without sending any notices to the user | |
88 | * -- jilles | |
89 | */ | |
90 | static struct Channel * | |
91 | check_forward(struct Client *source_p, struct Channel *chptr, | |
92 | char *key) | |
93 | { | |
94 | int depth = 0, i; | |
95 | ||
96 | /* User is +Q */ | |
97 | if (IsNoForward(source_p)) | |
98 | return NULL; | |
99 | ||
100 | while (depth < 16) | |
101 | { | |
102 | chptr = find_channel(chptr->mode.forward); | |
103 | /* Can only forward to existing channels */ | |
104 | if (chptr == NULL) | |
105 | return NULL; | |
106 | /* Already on there, show original error message */ | |
107 | if (IsMember(source_p, chptr)) | |
108 | return NULL; | |
109 | /* Juped. Sending a warning notice would be unfair */ | |
110 | if (hash_find_resv(chptr->chname)) | |
111 | return NULL; | |
112 | /* Don't forward to +Q channel */ | |
113 | if (chptr->mode.mode & MODE_DISFORWARD) | |
114 | return NULL; | |
115 | i = can_join(source_p, chptr, key); | |
116 | if (i == 0) | |
117 | return chptr; | |
118 | if (i != ERR_INVITEONLYCHAN && i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_CHANNELISFULL) | |
119 | return NULL; | |
120 | depth++; | |
121 | } | |
122 | ||
123 | return NULL; | |
124 | } | |
125 | ||
126 | /* | |
127 | * m_join | |
128 | * parv[0] = sender prefix | |
129 | * parv[1] = channel | |
130 | * parv[2] = channel password (key) | |
131 | */ | |
132 | static int | |
133 | m_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
134 | { | |
135 | static char jbuf[BUFSIZE]; | |
136 | struct Channel *chptr = NULL; | |
137 | struct ConfItem *aconf; | |
138 | char *name; | |
139 | char *key = NULL; | |
140 | const char *modes; | |
141 | int i, flags = 0; | |
142 | char *p = NULL, *p2 = NULL; | |
143 | char *chanlist; | |
144 | char *mykey; | |
145 | int successful_join_count = 0; /* Number of channels successfully joined */ | |
146 | ||
147 | jbuf[0] = '\0'; | |
148 | ||
149 | /* rebuild the list of channels theyre supposed to be joining. | |
150 | * this code has a side effect of losing keys, but.. | |
151 | */ | |
152 | chanlist = LOCAL_COPY(parv[1]); | |
153 | for(name = rb_strtok_r(chanlist, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) | |
154 | { | |
155 | /* check the length and name of channel is ok */ | |
156 | if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN)) | |
157 | { | |
158 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
159 | form_str(ERR_BADCHANNAME), (unsigned char *) name); | |
160 | continue; | |
161 | } | |
162 | ||
163 | /* join 0 parts all channels */ | |
164 | if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist) | |
165 | { | |
166 | (void) strcpy(jbuf, "0"); | |
167 | continue; | |
168 | } | |
169 | ||
170 | /* check it begins with # or &, and local chans are disabled */ | |
171 | else if(!IsChannelName(name)) | |
172 | { | |
173 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
174 | form_str(ERR_NOSUCHCHANNEL), name); | |
175 | continue; | |
176 | } | |
177 | ||
178 | /* see if its resv'd */ | |
179 | if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name))) | |
180 | { | |
181 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
182 | form_str(ERR_BADCHANNAME), name); | |
183 | ||
184 | /* dont warn for opers */ | |
185 | if(!IsExemptJupe(source_p) && !IsOper(source_p)) | |
186 | sendto_realops_snomask(SNO_SPY, L_NETWIDE, | |
187 | "User %s (%s@%s) is attempting to join locally juped channel %s (%s)", | |
188 | source_p->name, source_p->username, | |
189 | source_p->orighost, name, aconf->passwd); | |
190 | /* dont update tracking for jupe exempt users, these | |
191 | * are likely to be spamtrap leaves | |
192 | */ | |
193 | else if(IsExemptJupe(source_p)) | |
194 | aconf->port--; | |
195 | ||
196 | continue; | |
197 | } | |
198 | ||
199 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
200 | ConfigChannel.no_join_on_split) | |
201 | { | |
202 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
203 | me.name, source_p->name, name); | |
204 | continue; | |
205 | } | |
206 | ||
207 | if(*jbuf) | |
208 | (void) strcat(jbuf, ","); | |
209 | (void) rb_strlcat(jbuf, name, sizeof(jbuf)); | |
210 | } | |
211 | ||
212 | if(parc > 2) | |
213 | { | |
214 | mykey = LOCAL_COPY(parv[2]); | |
215 | key = rb_strtok_r(mykey, ",", &p2); | |
216 | } | |
217 | ||
218 | for(name = rb_strtok_r(jbuf, ",", &p); name; | |
219 | key = (key) ? rb_strtok_r(NULL, ",", &p2) : NULL, name = rb_strtok_r(NULL, ",", &p)) | |
220 | { | |
221 | hook_data_channel_activity hook_info; | |
222 | ||
223 | /* JOIN 0 simply parts all channels the user is in */ | |
224 | if(*name == '0' && !atoi(name)) | |
225 | { | |
226 | if(source_p->user->channel.head == NULL) | |
227 | continue; | |
228 | ||
229 | do_join_0(&me, source_p); | |
230 | continue; | |
231 | } | |
232 | ||
233 | /* look for the channel */ | |
234 | if((chptr = find_channel(name)) != NULL) | |
235 | { | |
236 | if(IsMember(source_p, chptr)) | |
237 | continue; | |
238 | ||
239 | flags = 0; | |
240 | } | |
241 | else | |
242 | { | |
243 | hook_data_client_approval moduledata; | |
244 | ||
245 | moduledata.client = source_p; | |
246 | moduledata.approved = 0; | |
247 | ||
248 | call_hook(h_can_create_channel, &moduledata); | |
249 | ||
250 | if(moduledata.approved != 0) | |
251 | { | |
252 | sendto_one(source_p, form_str(moduledata.approved), | |
253 | me.name, source_p->name, name); | |
254 | continue; | |
255 | } | |
256 | ||
257 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
258 | ConfigChannel.no_create_on_split) | |
259 | { | |
260 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
261 | me.name, source_p->name, name); | |
262 | continue; | |
263 | } | |
264 | ||
265 | flags = CHFL_CHANOP; | |
266 | } | |
267 | ||
268 | if((rb_dlink_list_length(&source_p->user->channel) >= | |
269 | (unsigned long) ConfigChannel.max_chans_per_user) && | |
270 | (!IsOper(source_p) || | |
271 | (rb_dlink_list_length(&source_p->user->channel) >= | |
272 | (unsigned long) ConfigChannel.max_chans_per_user * 3))) | |
273 | { | |
274 | sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS), | |
275 | me.name, source_p->name, name); | |
276 | if(successful_join_count) | |
277 | source_p->localClient->last_join_time = rb_current_time(); | |
278 | return 0; | |
279 | } | |
280 | ||
281 | if(flags == 0) /* if channel doesn't exist, don't penalize */ | |
282 | successful_join_count++; | |
283 | ||
284 | if(chptr == NULL) /* If I already have a chptr, no point doing this */ | |
285 | { | |
286 | chptr = get_or_create_channel(source_p, name, NULL); | |
287 | ||
288 | if(chptr == NULL) | |
289 | { | |
290 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
291 | me.name, source_p->name, name); | |
292 | if(successful_join_count > 0) | |
293 | successful_join_count--; | |
294 | continue; | |
295 | } | |
296 | } | |
297 | ||
298 | if(!IsOper(source_p) && !IsExemptSpambot(source_p)) | |
299 | check_spambot_warning(source_p, name); | |
300 | ||
301 | /* can_join checks for +i key, bans etc */ | |
302 | if((i = can_join(source_p, chptr, key))) | |
303 | { | |
304 | if ((i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_INVITEONLYCHAN && i != ERR_CHANNELISFULL) || | |
305 | (!ConfigChannel.use_forward || (chptr = check_forward(source_p, chptr, key)) == NULL)) | |
306 | { | |
307 | /* might be wrong, but is there any other better location for such? | |
308 | * see extensions/chm_operonly.c for other comments on this | |
309 | * -- dwr | |
310 | */ | |
311 | if(i != ERR_CUSTOM) | |
312 | sendto_one(source_p, form_str(i), me.name, source_p->name, name); | |
313 | ||
314 | if(successful_join_count > 0) | |
315 | successful_join_count--; | |
316 | continue; | |
317 | } | |
318 | ||
319 | sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr->chname); | |
320 | } | |
321 | ||
322 | /* add the user to the channel */ | |
323 | add_user_to_channel(chptr, source_p, flags); | |
324 | if (chptr->mode.join_num && | |
325 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) | |
326 | { | |
327 | chptr->join_count = 0; | |
328 | chptr->join_delta = rb_current_time(); | |
329 | } | |
330 | chptr->join_count++; | |
331 | ||
332 | /* we send the user their join here, because we could have to | |
333 | * send a mode out next. | |
334 | */ | |
335 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
336 | source_p->name, | |
337 | source_p->username, source_p->host, chptr->chname); | |
338 | ||
339 | /* its a new channel, set +nt and burst. */ | |
340 | if(flags & CHFL_CHANOP) | |
341 | { | |
342 | chptr->channelts = rb_current_time(); | |
343 | chptr->mode.mode |= MODE_TOPICLIMIT; | |
344 | chptr->mode.mode |= MODE_NOPRIVMSGS; | |
345 | modes = channel_modes(chptr, &me); | |
346 | ||
347 | sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s %s", | |
348 | me.name, chptr->chname, modes); | |
349 | ||
350 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
351 | ":%s SJOIN %ld %s %s :@%s", | |
352 | me.id, (long) chptr->channelts, | |
353 | chptr->chname, modes, source_p->id); | |
354 | } | |
355 | else | |
356 | { | |
357 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
358 | ":%s JOIN %ld %s +", | |
359 | use_id(source_p), (long) chptr->channelts, | |
360 | chptr->chname); | |
361 | } | |
362 | ||
363 | del_invite(chptr, source_p); | |
364 | ||
365 | if(chptr->topic != NULL) | |
366 | { | |
367 | sendto_one(source_p, form_str(RPL_TOPIC), me.name, | |
368 | source_p->name, chptr->chname, chptr->topic); | |
369 | ||
370 | sendto_one(source_p, form_str(RPL_TOPICWHOTIME), | |
371 | me.name, source_p->name, chptr->chname, | |
372 | chptr->topic_info, chptr->topic_time); | |
373 | } | |
374 | ||
375 | channel_member_names(chptr, source_p, 1); | |
376 | ||
377 | if(successful_join_count) | |
378 | source_p->localClient->last_join_time = rb_current_time(); | |
379 | ||
380 | hook_info.client = source_p; | |
381 | hook_info.chptr = chptr; | |
382 | hook_info.key = key; | |
383 | call_hook(h_channel_join, &hook_info); | |
384 | } | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | /* | |
390 | * ms_join | |
391 | * | |
392 | * inputs - | |
393 | * output - none | |
394 | * side effects - handles remote JOIN's sent by servers. In TSora | |
395 | * remote clients are joined using SJOIN, hence a | |
396 | * JOIN sent by a server on behalf of a client is an error. | |
397 | * here, the initial code is in to take an extra parameter | |
398 | * and use it for the TimeStamp on a new channel. | |
399 | */ | |
400 | static int | |
401 | ms_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
402 | { | |
403 | struct Channel *chptr; | |
404 | static struct Mode mode; | |
405 | time_t oldts; | |
406 | time_t newts; | |
407 | int isnew; | |
408 | int keep_our_modes = YES; | |
409 | int keep_new_modes = YES; | |
410 | rb_dlink_node *ptr, *next_ptr; | |
411 | ||
412 | /* special case for join 0 */ | |
413 | if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2) | |
414 | { | |
415 | do_join_0(client_p, source_p); | |
416 | return 0; | |
417 | } | |
418 | ||
419 | if(parc < 4) | |
420 | return 0; | |
421 | ||
422 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
423 | return 0; | |
424 | ||
425 | /* joins for local channels cant happen. */ | |
426 | if(parv[2][0] == '&') | |
427 | return 0; | |
428 | ||
429 | mbuf = modebuf; | |
430 | mode.key[0] = mode.forward[0] = '\0'; | |
431 | mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
432 | ||
433 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
434 | return 0; | |
435 | ||
436 | newts = atol(parv[1]); | |
437 | oldts = chptr->channelts; | |
438 | ||
439 | #ifdef IGNORE_BOGUS_TS | |
440 | if(newts < 800000000) | |
441 | { | |
442 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
443 | "*** Bogus TS %ld on %s ignored from %s", | |
444 | (long) newts, chptr->chname, client_p->name); | |
445 | newts = (oldts == 0) ? oldts : 800000000; | |
446 | } | |
447 | #else | |
448 | /* making a channel TS0 */ | |
449 | if(!isnew && !newts && oldts) | |
450 | { | |
451 | sendto_channel_local(ALL_MEMBERS, chptr, | |
452 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0", | |
453 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
454 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
455 | "Server %s changing TS on %s from %ld to 0", | |
456 | source_p->name, chptr->chname, (long) oldts); | |
457 | } | |
458 | #endif | |
459 | ||
460 | if(isnew) | |
461 | chptr->channelts = newts; | |
462 | else if(newts == 0 || oldts == 0) | |
463 | chptr->channelts = 0; | |
464 | else if(newts == oldts) | |
465 | ; | |
466 | else if(newts < oldts) | |
467 | { | |
468 | keep_our_modes = NO; | |
469 | chptr->channelts = newts; | |
470 | } | |
471 | else | |
472 | keep_new_modes = NO; | |
473 | ||
474 | /* Lost the TS, other side wins, so remove modes on this side */ | |
475 | if(!keep_our_modes) | |
476 | { | |
477 | set_final_mode(&mode, &chptr->mode); | |
478 | chptr->mode = mode; | |
479 | remove_our_modes(chptr, source_p); | |
480 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) | |
481 | { | |
482 | del_invite(chptr, ptr->data); | |
483 | } | |
484 | /* If setting -j, clear join throttle state -- jilles */ | |
485 | chptr->join_count = chptr->join_delta = 0; | |
486 | sendto_channel_local(ALL_MEMBERS, chptr, | |
487 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", | |
488 | me.name, chptr->chname, chptr->chname, | |
489 | (long) oldts, (long) newts); | |
490 | /* Update capitalization in channel name, this makes the | |
491 | * capitalization timestamped like modes are -- jilles */ | |
492 | strcpy(chptr->chname, parv[2]); | |
493 | if(*modebuf != '\0') | |
494 | sendto_channel_local(ALL_MEMBERS, chptr, | |
495 | ":%s MODE %s %s %s", | |
496 | source_p->servptr->name, | |
497 | chptr->chname, modebuf, parabuf); | |
498 | *modebuf = *parabuf = '\0'; | |
499 | } | |
500 | ||
501 | if(!IsMember(source_p, chptr)) | |
502 | { | |
503 | add_user_to_channel(chptr, source_p, CHFL_PEON); | |
504 | if (chptr->mode.join_num && | |
505 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) | |
506 | { | |
507 | chptr->join_count = 0; | |
508 | chptr->join_delta = rb_current_time(); | |
509 | } | |
510 | chptr->join_count++; | |
511 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
512 | source_p->name, source_p->username, | |
513 | source_p->host, chptr->chname); | |
514 | } | |
515 | ||
516 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
517 | ":%s JOIN %ld %s +", | |
518 | source_p->id, (long) chptr->channelts, chptr->chname); | |
519 | return 0; | |
520 | } | |
521 | ||
522 | static int | |
523 | ms_sjoin(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
524 | { | |
525 | static char buf_uid[BUFSIZE]; | |
526 | static const char empty_modes[] = "0"; | |
527 | struct Channel *chptr; | |
528 | struct Client *target_p, *fakesource_p; | |
529 | time_t newts; | |
530 | time_t oldts; | |
531 | static struct Mode mode, *oldmode; | |
532 | const char *modes; | |
533 | int args = 0; | |
534 | int keep_our_modes = 1; | |
535 | int keep_new_modes = 1; | |
536 | int fl; | |
537 | int isnew; | |
538 | int mlen_uid; | |
539 | int len_nick; | |
540 | int len_uid; | |
541 | int len; | |
542 | int joins = 0; | |
543 | const char *s; | |
544 | char *ptr_uid; | |
545 | char *p; | |
546 | int i, joinc = 0, timeslice = 0; | |
547 | static char empty[] = ""; | |
548 | rb_dlink_node *ptr, *next_ptr; | |
549 | ||
550 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
551 | return 0; | |
552 | ||
553 | /* SJOIN's for local channels can't happen. */ | |
554 | if(*parv[2] == '&') | |
555 | return 0; | |
556 | ||
557 | modebuf[0] = parabuf[0] = mode.key[0] = mode.forward[0] = '\0'; | |
558 | pargs = mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
559 | ||
560 | /* Hide connecting server on netburst -- jilles */ | |
561 | if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) | |
562 | fakesource_p = &me; | |
563 | else | |
564 | fakesource_p = source_p; | |
565 | ||
566 | mbuf = modebuf; | |
567 | newts = atol(parv[1]); | |
568 | ||
569 | s = parv[3]; | |
570 | while (*s) | |
571 | { | |
572 | switch (*(s++)) | |
573 | { | |
574 | case 'f': | |
575 | rb_strlcpy(mode.forward, parv[4 + args], sizeof(mode.forward)); | |
576 | args++; | |
577 | if(parc < 5 + args) | |
578 | return 0; | |
579 | break; | |
580 | case 'j': | |
581 | sscanf(parv[4 + args], "%d:%d", &joinc, ×lice); | |
582 | args++; | |
583 | mode.join_num = joinc; | |
584 | mode.join_time = timeslice; | |
585 | if(parc < 5 + args) | |
586 | return 0; | |
587 | break; | |
588 | case 'k': | |
589 | rb_strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); | |
590 | args++; | |
591 | if(parc < 5 + args) | |
592 | return 0; | |
593 | break; | |
594 | case 'l': | |
595 | mode.limit = atoi(parv[4 + args]); | |
596 | args++; | |
597 | if(parc < 5 + args) | |
598 | return 0; | |
599 | break; | |
600 | default: | |
601 | if(chmode_flags[(int) *s] != 0) | |
602 | { | |
603 | mode.mode |= chmode_flags[(int) *s]; | |
604 | } | |
605 | } | |
606 | } | |
607 | ||
608 | if(parv[args + 4]) | |
609 | { | |
610 | s = parv[args + 4]; | |
611 | ||
612 | /* remove any leading spaces */ | |
613 | while (*s == ' ') | |
614 | s++; | |
615 | } | |
616 | else | |
617 | s = ""; | |
618 | ||
619 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
620 | return 0; /* channel name too long? */ | |
621 | ||
622 | ||
623 | oldts = chptr->channelts; | |
624 | oldmode = &chptr->mode; | |
625 | ||
626 | #ifdef IGNORE_BOGUS_TS | |
627 | if(newts < 800000000) | |
628 | { | |
629 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
630 | "*** Bogus TS %ld on %s ignored from %s", | |
631 | (long) newts, chptr->chname, client_p->name); | |
632 | ||
633 | newts = (oldts == 0) ? oldts : 800000000; | |
634 | } | |
635 | #else | |
636 | if(!isnew && !newts && oldts) | |
637 | { | |
638 | sendto_channel_local(ALL_MEMBERS, chptr, | |
639 | ":%s NOTICE %s :*** Notice -- TS for %s " | |
640 | "changed from %ld to 0", | |
641 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
642 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
643 | "Server %s changing TS on %s from %ld to 0", | |
644 | source_p->name, chptr->chname, (long) oldts); | |
645 | } | |
646 | #endif | |
647 | ||
648 | if(isnew) | |
649 | chptr->channelts = newts; | |
650 | ||
651 | else if(newts == 0 || oldts == 0) | |
652 | chptr->channelts = 0; | |
653 | else if(newts == oldts) | |
654 | ; | |
655 | else if(newts < oldts) | |
656 | { | |
657 | /* If configured, kick people trying to join +i/+k | |
658 | * channels by recreating them on split servers. | |
659 | * Don't kick if the source has sent EOB (services | |
660 | * deopping everyone by TS-1 SJOIN). | |
661 | * -- jilles */ | |
662 | if (ConfigChannel.kick_on_split_riding && | |
663 | !HasSentEob(source_p) && | |
664 | ((mode.mode & MODE_INVITEONLY) || | |
665 | (mode.key[0] != 0 && irccmp(mode.key, oldmode->key) != 0))) | |
666 | { | |
667 | struct membership *msptr; | |
668 | struct Client *who; | |
669 | int l = rb_dlink_list_length(&chptr->members); | |
670 | ||
671 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) | |
672 | { | |
673 | msptr = ptr->data; | |
674 | who = msptr->client_p; | |
675 | sendto_one(who, ":%s KICK %s %s :Net Rider", | |
676 | me.name, chptr->chname, who->name); | |
677 | ||
678 | sendto_server(NULL, chptr, CAP_TS6, NOCAPS, | |
679 | ":%s KICK %s %s :Net Rider", | |
680 | me.id, chptr->chname, | |
681 | who->id); | |
682 | remove_user_from_channel(msptr); | |
683 | if (--l == 0) | |
684 | break; | |
685 | } | |
686 | if (l == 0) | |
687 | { | |
688 | /* Channel was emptied, create a new one */ | |
689 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
690 | return 0; /* oops! */ | |
691 | ||
692 | oldmode = &chptr->mode; | |
693 | } | |
694 | } | |
695 | keep_our_modes = NO; | |
696 | chptr->channelts = newts; | |
697 | } | |
698 | else | |
699 | keep_new_modes = NO; | |
700 | ||
701 | if(!keep_new_modes) | |
702 | mode = *oldmode; | |
703 | else if(keep_our_modes) | |
704 | { | |
705 | mode.mode |= oldmode->mode; | |
706 | if(oldmode->limit > mode.limit) | |
707 | mode.limit = oldmode->limit; | |
708 | if(strcmp(mode.key, oldmode->key) < 0) | |
709 | strcpy(mode.key, oldmode->key); | |
710 | if(oldmode->join_num > mode.join_num || | |
711 | (oldmode->join_num == mode.join_num && | |
712 | oldmode->join_time > mode.join_time)) | |
713 | { | |
714 | mode.join_num = oldmode->join_num; | |
715 | mode.join_time = oldmode->join_time; | |
716 | } | |
717 | if(irccmp(mode.forward, oldmode->forward) < 0) | |
718 | strcpy(mode.forward, oldmode->forward); | |
719 | } | |
720 | else | |
721 | { | |
722 | /* If setting -j, clear join throttle state -- jilles */ | |
723 | if (!mode.join_num) | |
724 | chptr->join_count = chptr->join_delta = 0; | |
725 | } | |
726 | ||
727 | set_final_mode(&mode, oldmode); | |
728 | chptr->mode = mode; | |
729 | ||
730 | /* Lost the TS, other side wins, so remove modes on this side */ | |
731 | if(!keep_our_modes) | |
732 | { | |
733 | remove_our_modes(chptr, fakesource_p); | |
734 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) | |
735 | { | |
736 | del_invite(chptr, ptr->data); | |
737 | } | |
738 | ||
739 | if(rb_dlink_list_length(&chptr->banlist) > 0) | |
740 | remove_ban_list(chptr, fakesource_p, &chptr->banlist, 'b', ALL_MEMBERS); | |
741 | if(rb_dlink_list_length(&chptr->exceptlist) > 0) | |
742 | remove_ban_list(chptr, fakesource_p, &chptr->exceptlist, | |
743 | 'e', ONLY_CHANOPS); | |
744 | if(rb_dlink_list_length(&chptr->invexlist) > 0) | |
745 | remove_ban_list(chptr, fakesource_p, &chptr->invexlist, | |
746 | 'I', ONLY_CHANOPS); | |
747 | if(rb_dlink_list_length(&chptr->quietlist) > 0) | |
748 | remove_ban_list(chptr, fakesource_p, &chptr->quietlist, | |
749 | 'q', ALL_MEMBERS); | |
750 | chptr->bants++; | |
751 | ||
752 | sendto_channel_local(ALL_MEMBERS, chptr, | |
753 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", | |
754 | me.name, chptr->chname, chptr->chname, | |
755 | (long) oldts, (long) newts); | |
756 | /* Update capitalization in channel name, this makes the | |
757 | * capitalization timestamped like modes are -- jilles */ | |
758 | strcpy(chptr->chname, parv[2]); | |
759 | } | |
760 | ||
761 | if(*modebuf != '\0') | |
762 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s", | |
763 | fakesource_p->name, chptr->chname, modebuf, parabuf); | |
764 | ||
765 | *modebuf = *parabuf = '\0'; | |
766 | ||
767 | if(parv[3][0] != '0' && keep_new_modes) | |
768 | modes = channel_modes(chptr, source_p); | |
769 | else | |
770 | modes = empty_modes; | |
771 | ||
772 | /* working on the presumption eventually itll be more efficient to | |
773 | * build a TS6 buffer without checking its needed.. | |
774 | */ | |
775 | mlen_uid = rb_sprintf(buf_uid, ":%s SJOIN %ld %s %s :", | |
776 | use_id(source_p), (long) chptr->channelts, parv[2], modes); | |
777 | ptr_uid = buf_uid + mlen_uid; | |
778 | ||
779 | mbuf = modebuf; | |
780 | para[0] = para[1] = para[2] = para[3] = empty; | |
781 | pargs = 0; | |
782 | len_nick = len_uid = 0; | |
783 | ||
784 | /* if theres a space, theres going to be more than one nick, change the | |
785 | * first space to \0, so s is just the first nick, and point p to the | |
786 | * second nick | |
787 | */ | |
788 | if((p = strchr(s, ' ')) != NULL) | |
789 | { | |
790 | *p++ = '\0'; | |
791 | } | |
792 | ||
793 | *mbuf++ = '+'; | |
794 | ||
795 | while (s) | |
796 | { | |
797 | fl = 0; | |
798 | ||
799 | for (i = 0; i < 2; i++) | |
800 | { | |
801 | if(*s == '@') | |
802 | { | |
803 | fl |= CHFL_CHANOP; | |
804 | s++; | |
805 | } | |
806 | else if(*s == '+') | |
807 | { | |
808 | fl |= CHFL_VOICE; | |
809 | s++; | |
810 | } | |
811 | } | |
812 | ||
813 | /* if the client doesnt exist or is fake direction, skip. */ | |
814 | if(!(target_p = find_client(s)) || | |
815 | (target_p->from != client_p) || !IsPerson(target_p)) | |
816 | goto nextnick; | |
817 | ||
818 | /* we assume for these we can fit at least one nick/uid in.. */ | |
819 | ||
820 | /* check we can fit another status+nick+space into a buffer */ | |
821 | if((mlen_uid + len_uid + IDLEN + 3) > (BUFSIZE - 3)) | |
822 | { | |
823 | *(ptr_uid - 1) = '\0'; | |
824 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
825 | ptr_uid = buf_uid + mlen_uid; | |
826 | len_uid = 0; | |
827 | } | |
828 | ||
829 | if(keep_new_modes) | |
830 | { | |
831 | if(fl & CHFL_CHANOP) | |
832 | { | |
833 | *ptr_uid++ = '@'; | |
834 | len_nick++; | |
835 | len_uid++; | |
836 | } | |
837 | if(fl & CHFL_VOICE) | |
838 | { | |
839 | *ptr_uid++ = '+'; | |
840 | len_nick++; | |
841 | len_uid++; | |
842 | } | |
843 | } | |
844 | ||
845 | /* copy the nick to the two buffers */ | |
846 | len = rb_sprintf(ptr_uid, "%s ", use_id(target_p)); | |
847 | ptr_uid += len; | |
848 | len_uid += len; | |
849 | ||
850 | if(!keep_new_modes) | |
851 | fl = 0; | |
852 | ||
853 | if(!IsMember(target_p, chptr)) | |
854 | { | |
855 | add_user_to_channel(chptr, target_p, fl); | |
856 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
857 | target_p->name, | |
858 | target_p->username, target_p->host, parv[2]); | |
859 | joins++; | |
860 | } | |
861 | ||
862 | if(fl & CHFL_CHANOP) | |
863 | { | |
864 | *mbuf++ = 'o'; | |
865 | para[pargs++] = target_p->name; | |
866 | ||
867 | /* a +ov user.. bleh */ | |
868 | if(fl & CHFL_VOICE) | |
869 | { | |
870 | /* its possible the +o has filled up MAXMODEPARAMS, if so, start | |
871 | * a new buffer | |
872 | */ | |
873 | if(pargs >= MAXMODEPARAMS) | |
874 | { | |
875 | *mbuf = '\0'; | |
876 | sendto_channel_local(ALL_MEMBERS, chptr, | |
877 | ":%s MODE %s %s %s %s %s %s", | |
878 | fakesource_p->name, chptr->chname, | |
879 | modebuf, | |
880 | para[0], para[1], para[2], para[3]); | |
881 | mbuf = modebuf; | |
882 | *mbuf++ = '+'; | |
883 | para[0] = para[1] = para[2] = para[3] = NULL; | |
884 | pargs = 0; | |
885 | } | |
886 | ||
887 | *mbuf++ = 'v'; | |
888 | para[pargs++] = target_p->name; | |
889 | } | |
890 | } | |
891 | else if(fl & CHFL_VOICE) | |
892 | { | |
893 | *mbuf++ = 'v'; | |
894 | para[pargs++] = target_p->name; | |
895 | } | |
896 | ||
897 | if(pargs >= MAXMODEPARAMS) | |
898 | { | |
899 | *mbuf = '\0'; | |
900 | sendto_channel_local(ALL_MEMBERS, chptr, | |
901 | ":%s MODE %s %s %s %s %s %s", | |
902 | fakesource_p->name, | |
903 | chptr->chname, | |
904 | modebuf, para[0], para[1], para[2], para[3]); | |
905 | mbuf = modebuf; | |
906 | *mbuf++ = '+'; | |
907 | para[0] = para[1] = para[2] = para[3] = NULL; | |
908 | pargs = 0; | |
909 | } | |
910 | ||
911 | nextnick: | |
912 | /* p points to the next nick */ | |
913 | s = p; | |
914 | ||
915 | /* if there was a trailing space and p was pointing to it, then we | |
916 | * need to exit.. this has the side effect of breaking double spaces | |
917 | * in an sjoin.. but that shouldnt happen anyway | |
918 | */ | |
919 | if(s && (*s == '\0')) | |
920 | s = p = NULL; | |
921 | ||
922 | /* if p was NULL due to no spaces, s wont exist due to the above, so | |
923 | * we cant check it for spaces.. if there are no spaces, then when | |
924 | * we next get here, s will be NULL | |
925 | */ | |
926 | if(s && ((p = strchr(s, ' ')) != NULL)) | |
927 | { | |
928 | *p++ = '\0'; | |
929 | } | |
930 | } | |
931 | ||
932 | *mbuf = '\0'; | |
933 | if(pargs) | |
934 | { | |
935 | sendto_channel_local(ALL_MEMBERS, chptr, | |
936 | ":%s MODE %s %s %s %s %s %s", | |
937 | fakesource_p->name, chptr->chname, modebuf, | |
938 | para[0], CheckEmpty(para[1]), | |
939 | CheckEmpty(para[2]), CheckEmpty(para[3])); | |
940 | } | |
941 | ||
942 | if(!joins && !(chptr->mode.mode & MODE_PERMANENT) && isnew) | |
943 | { | |
944 | destroy_channel(chptr); | |
945 | ||
946 | return 0; | |
947 | } | |
948 | ||
949 | /* Keep the colon if we're sending an SJOIN without nicks -- jilles */ | |
950 | if (joins) | |
951 | { | |
952 | *(ptr_uid - 1) = '\0'; | |
953 | } | |
954 | ||
955 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
956 | ||
957 | return 0; | |
958 | } | |
959 | ||
960 | /* | |
961 | * do_join_0 | |
962 | * | |
963 | * inputs - pointer to client doing join 0 | |
964 | * output - NONE | |
965 | * side effects - Use has decided to join 0. This is legacy | |
966 | * from the days when channels were numbers not names. *sigh* | |
967 | * There is a bunch of evilness necessary here due to | |
968 | * anti spambot code. | |
969 | */ | |
970 | static void | |
971 | do_join_0(struct Client *client_p, struct Client *source_p) | |
972 | { | |
973 | struct membership *msptr; | |
974 | struct Channel *chptr = NULL; | |
975 | rb_dlink_node *ptr; | |
976 | ||
977 | /* Finish the flood grace period... */ | |
978 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
979 | flood_endgrace(source_p); | |
980 | ||
981 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p)); | |
982 | ||
983 | if(source_p->user->channel.head && MyConnect(source_p) && | |
984 | !IsOper(source_p) && !IsExemptSpambot(source_p)) | |
985 | check_spambot_warning(source_p, NULL); | |
986 | ||
987 | while((ptr = source_p->user->channel.head)) | |
988 | { | |
989 | msptr = ptr->data; | |
990 | chptr = msptr->chptr; | |
991 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s", | |
992 | source_p->name, | |
993 | source_p->username, source_p->host, chptr->chname); | |
994 | remove_user_from_channel(msptr); | |
995 | } | |
996 | } | |
997 | ||
998 | static int | |
999 | check_channel_name_loc(struct Client *source_p, const char *name) | |
1000 | { | |
1001 | s_assert(name != NULL); | |
1002 | if(EmptyString(name)) | |
1003 | return 0; | |
1004 | ||
1005 | if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p)) | |
1006 | { | |
1007 | for(; *name; ++name) | |
1008 | { | |
1009 | if(!IsChanChar(*name) || IsFakeChanChar(*name)) | |
1010 | return 0; | |
1011 | } | |
1012 | } | |
1013 | else | |
1014 | { | |
1015 | for(; *name; ++name) | |
1016 | { | |
1017 | if(!IsChanChar(*name)) | |
1018 | return 0; | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | return 1; | |
1023 | } | |
1024 | ||
1025 | static void | |
1026 | set_final_mode(struct Mode *mode, struct Mode *oldmode) | |
1027 | { | |
1028 | int dir = MODE_QUERY; | |
1029 | char *pbuf = parabuf; | |
1030 | int len; | |
1031 | int i; | |
1032 | ||
1033 | /* ok, first get a list of modes we need to add */ | |
1034 | for (i = 0; i < 256; i++) | |
1035 | { | |
1036 | if((mode->mode & chmode_flags[i]) && !(oldmode->mode & chmode_flags[i])) | |
1037 | { | |
1038 | if(dir != MODE_ADD) | |
1039 | { | |
1040 | *mbuf++ = '+'; | |
1041 | dir = MODE_ADD; | |
1042 | } | |
1043 | *mbuf++ = i; | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | /* now the ones we need to remove. */ | |
1048 | for (i = 0; i < 256; i++) | |
1049 | { | |
1050 | if((oldmode->mode & chmode_flags[i]) && !(mode->mode & chmode_flags[i])) | |
1051 | { | |
1052 | if(dir != MODE_DEL) | |
1053 | { | |
1054 | *mbuf++ = '-'; | |
1055 | dir = MODE_DEL; | |
1056 | } | |
1057 | *mbuf++ = i; | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | if(oldmode->limit && !mode->limit) | |
1062 | { | |
1063 | if(dir != MODE_DEL) | |
1064 | { | |
1065 | *mbuf++ = '-'; | |
1066 | dir = MODE_DEL; | |
1067 | } | |
1068 | *mbuf++ = 'l'; | |
1069 | } | |
1070 | if(oldmode->key[0] && !mode->key[0]) | |
1071 | { | |
1072 | if(dir != MODE_DEL) | |
1073 | { | |
1074 | *mbuf++ = '-'; | |
1075 | dir = MODE_DEL; | |
1076 | } | |
1077 | *mbuf++ = 'k'; | |
1078 | len = rb_sprintf(pbuf, "%s ", oldmode->key); | |
1079 | pbuf += len; | |
1080 | } | |
1081 | if(oldmode->join_num && !mode->join_num) | |
1082 | { | |
1083 | if(dir != MODE_DEL) | |
1084 | { | |
1085 | *mbuf++ = '-'; | |
1086 | dir = MODE_DEL; | |
1087 | } | |
1088 | *mbuf++ = 'j'; | |
1089 | } | |
1090 | if(oldmode->forward[0] && !mode->forward[0]) | |
1091 | { | |
1092 | if(dir != MODE_DEL) | |
1093 | { | |
1094 | *mbuf++ = '-'; | |
1095 | dir = MODE_DEL; | |
1096 | } | |
1097 | *mbuf++ = 'f'; | |
1098 | } | |
1099 | if(mode->limit && oldmode->limit != mode->limit) | |
1100 | { | |
1101 | if(dir != MODE_ADD) | |
1102 | { | |
1103 | *mbuf++ = '+'; | |
1104 | dir = MODE_ADD; | |
1105 | } | |
1106 | *mbuf++ = 'l'; | |
1107 | len = rb_sprintf(pbuf, "%d ", mode->limit); | |
1108 | pbuf += len; | |
1109 | } | |
1110 | if(mode->key[0] && strcmp(oldmode->key, mode->key)) | |
1111 | { | |
1112 | if(dir != MODE_ADD) | |
1113 | { | |
1114 | *mbuf++ = '+'; | |
1115 | dir = MODE_ADD; | |
1116 | } | |
1117 | *mbuf++ = 'k'; | |
1118 | len = rb_sprintf(pbuf, "%s ", mode->key); | |
1119 | pbuf += len; | |
1120 | } | |
1121 | if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time)) | |
1122 | { | |
1123 | if(dir != MODE_ADD) | |
1124 | { | |
1125 | *mbuf++ = '+'; | |
1126 | dir = MODE_ADD; | |
1127 | } | |
1128 | *mbuf++ = 'j'; | |
1129 | len = rb_sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time); | |
1130 | pbuf += len; | |
1131 | } | |
1132 | if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) && ConfigChannel.use_forward) | |
1133 | { | |
1134 | if(dir != MODE_ADD) | |
1135 | { | |
1136 | *mbuf++ = '+'; | |
1137 | dir = MODE_ADD; | |
1138 | } | |
1139 | *mbuf++ = 'f'; | |
1140 | len = rb_sprintf(pbuf, "%s ", mode->forward); | |
1141 | pbuf += len; | |
1142 | } | |
1143 | *mbuf = '\0'; | |
1144 | } | |
1145 | ||
1146 | /* | |
1147 | * remove_our_modes | |
1148 | * | |
1149 | * inputs - | |
1150 | * output - | |
1151 | * side effects - | |
1152 | */ | |
1153 | static void | |
1154 | remove_our_modes(struct Channel *chptr, struct Client *source_p) | |
1155 | { | |
1156 | struct membership *msptr; | |
1157 | rb_dlink_node *ptr; | |
1158 | char lmodebuf[MODEBUFLEN]; | |
1159 | char *lpara[MAXMODEPARAMS]; | |
1160 | int count = 0; | |
1161 | int i; | |
1162 | ||
1163 | mbuf = lmodebuf; | |
1164 | *mbuf++ = '-'; | |
1165 | ||
1166 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1167 | lpara[i] = NULL; | |
1168 | ||
1169 | RB_DLINK_FOREACH(ptr, chptr->members.head) | |
1170 | { | |
1171 | msptr = ptr->data; | |
1172 | ||
1173 | if(is_chanop(msptr)) | |
1174 | { | |
1175 | msptr->flags &= ~CHFL_CHANOP; | |
1176 | lpara[count++] = msptr->client_p->name; | |
1177 | *mbuf++ = 'o'; | |
1178 | ||
1179 | /* +ov, might not fit so check. */ | |
1180 | if(is_voiced(msptr)) | |
1181 | { | |
1182 | if(count >= MAXMODEPARAMS) | |
1183 | { | |
1184 | *mbuf = '\0'; | |
1185 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1186 | ":%s MODE %s %s %s %s %s %s", | |
1187 | me.name, chptr->chname, | |
1188 | lmodebuf, lpara[0], lpara[1], | |
1189 | lpara[2], lpara[3]); | |
1190 | ||
1191 | /* preserve the initial '-' */ | |
1192 | mbuf = lmodebuf; | |
1193 | *mbuf++ = '-'; | |
1194 | count = 0; | |
1195 | ||
1196 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1197 | lpara[i] = NULL; | |
1198 | } | |
1199 | ||
1200 | msptr->flags &= ~CHFL_VOICE; | |
1201 | lpara[count++] = msptr->client_p->name; | |
1202 | *mbuf++ = 'v'; | |
1203 | } | |
1204 | } | |
1205 | else if(is_voiced(msptr)) | |
1206 | { | |
1207 | msptr->flags &= ~CHFL_VOICE; | |
1208 | lpara[count++] = msptr->client_p->name; | |
1209 | *mbuf++ = 'v'; | |
1210 | } | |
1211 | else | |
1212 | continue; | |
1213 | ||
1214 | if(count >= MAXMODEPARAMS) | |
1215 | { | |
1216 | *mbuf = '\0'; | |
1217 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1218 | ":%s MODE %s %s %s %s %s %s", | |
1219 | me.name, chptr->chname, lmodebuf, | |
1220 | lpara[0], lpara[1], lpara[2], lpara[3]); | |
1221 | mbuf = lmodebuf; | |
1222 | *mbuf++ = '-'; | |
1223 | count = 0; | |
1224 | ||
1225 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1226 | lpara[i] = NULL; | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | if(count != 0) | |
1231 | { | |
1232 | *mbuf = '\0'; | |
1233 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1234 | ":%s MODE %s %s %s %s %s %s", | |
1235 | me.name, chptr->chname, lmodebuf, | |
1236 | EmptyString(lpara[0]) ? "" : lpara[0], | |
1237 | EmptyString(lpara[1]) ? "" : lpara[1], | |
1238 | EmptyString(lpara[2]) ? "" : lpara[2], | |
1239 | EmptyString(lpara[3]) ? "" : lpara[3]); | |
1240 | ||
1241 | } | |
1242 | } | |
1243 | ||
1244 | /* remove_ban_list() | |
1245 | * | |
1246 | * inputs - channel, source, list to remove, char of mode, caps needed | |
1247 | * outputs - | |
1248 | * side effects - given list is removed, with modes issued to local clients | |
1249 | */ | |
1250 | static void | |
1251 | remove_ban_list(struct Channel *chptr, struct Client *source_p, | |
1252 | rb_dlink_list * list, char c, int mems) | |
1253 | { | |
1254 | static char lmodebuf[BUFSIZE]; | |
1255 | static char lparabuf[BUFSIZE]; | |
1256 | struct Ban *banptr; | |
1257 | rb_dlink_node *ptr; | |
1258 | rb_dlink_node *next_ptr; | |
1259 | char *pbuf; | |
1260 | int count = 0; | |
1261 | int cur_len, mlen, plen; | |
1262 | ||
1263 | pbuf = lparabuf; | |
1264 | ||
1265 | cur_len = mlen = rb_sprintf(lmodebuf, ":%s MODE %s -", source_p->name, chptr->chname); | |
1266 | mbuf = lmodebuf + mlen; | |
1267 | ||
1268 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) | |
1269 | { | |
1270 | banptr = ptr->data; | |
1271 | ||
1272 | /* trailing space, and the mode letter itself */ | |
1273 | plen = strlen(banptr->banstr) + 2; | |
1274 | ||
1275 | if(count >= MAXMODEPARAMS || (cur_len + plen) > BUFSIZE - 4) | |
1276 | { | |
1277 | /* remove trailing space */ | |
1278 | *mbuf = '\0'; | |
1279 | *(pbuf - 1) = '\0'; | |
1280 | ||
1281 | sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); | |
1282 | ||
1283 | cur_len = mlen; | |
1284 | mbuf = lmodebuf + mlen; | |
1285 | pbuf = lparabuf; | |
1286 | count = 0; | |
1287 | } | |
1288 | ||
1289 | *mbuf++ = c; | |
1290 | cur_len += plen; | |
1291 | pbuf += rb_sprintf(pbuf, "%s ", banptr->banstr); | |
1292 | count++; | |
1293 | ||
1294 | free_ban(banptr); | |
1295 | } | |
1296 | ||
1297 | *mbuf = '\0'; | |
1298 | *(pbuf - 1) = '\0'; | |
1299 | sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); | |
1300 | ||
1301 | list->head = list->tail = NULL; | |
1302 | list->length = 0; | |
1303 | } |