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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 | ||
25 | #include "stdinc.h" | |
26 | #include "channel.h" | |
27 | #include "client.h" | |
28 | #include "hash.h" | |
29 | #include "match.h" | |
30 | #include "ircd.h" | |
31 | #include "numeric.h" | |
32 | #include "send.h" | |
33 | #include "s_serv.h" | |
34 | #include "s_conf.h" | |
35 | #include "s_newconf.h" | |
36 | #include "msg.h" | |
37 | #include "parse.h" | |
38 | #include "modules.h" | |
39 | #include "packet.h" | |
40 | #include "chmode.h" | |
41 | #include "ratelimit.h" | |
42 | #include "s_assert.h" | |
43 | ||
44 | static const char join_desc[] = "Provides the JOIN and TS6 SJOIN commands to facilitate joining and creating channels"; | |
45 | ||
46 | static void m_join(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
47 | static void ms_join(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
48 | static void ms_sjoin(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
49 | ||
50 | static int h_can_create_channel; | |
51 | static int h_channel_join; | |
52 | ||
53 | struct Message join_msgtab = { | |
54 | "JOIN", 0, 0, 0, 0, | |
55 | {mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}} | |
56 | }; | |
57 | ||
58 | struct Message sjoin_msgtab = { | |
59 | "SJOIN", 0, 0, 0, 0, | |
60 | {mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 4}, mg_ignore, mg_ignore} | |
61 | }; | |
62 | ||
63 | mapi_clist_av1 join_clist[] = { &join_msgtab, &sjoin_msgtab, NULL }; | |
64 | ||
65 | mapi_hlist_av1 join_hlist[] = { | |
66 | { "can_create_channel", &h_can_create_channel }, | |
67 | { "channel_join", &h_channel_join }, | |
68 | { NULL, NULL }, | |
69 | }; | |
70 | ||
71 | DECLARE_MODULE_AV2(join, NULL, NULL, join_clist, join_hlist, NULL, NULL, NULL, join_desc); | |
72 | ||
73 | static void do_join_0(struct Client *client_p, struct Client *source_p); | |
74 | static bool check_channel_name_loc(struct Client *source_p, const char *name); | |
75 | static void send_join_error(struct Client *source_p, int numeric, const char *name); | |
76 | ||
77 | static char *set_final_mode(char *mbuf, struct Mode *mode, struct Mode *oldmode); | |
78 | static void remove_our_modes(struct Channel *chptr, struct Client *source_p); | |
79 | ||
80 | static void remove_ban_list(struct Channel *chptr, struct Client *source_p, | |
81 | rb_dlink_list * list, char c, int mems); | |
82 | ||
83 | static char modebuf[MODEBUFLEN]; | |
84 | static char parabuf[MODEBUFLEN]; | |
85 | ||
86 | /* Check what we will forward to, without sending any notices to the user | |
87 | * -- jilles | |
88 | */ | |
89 | static struct Channel * | |
90 | check_forward(struct Client *source_p, struct Channel *chptr, | |
91 | char *key, int *err) | |
92 | { | |
93 | int depth = 0, i; | |
94 | const char *next = NULL; | |
95 | ||
96 | /* The caller (m_join) is only interested in the reason | |
97 | * for the original channel. | |
98 | */ | |
99 | if ((*err = can_join(source_p, chptr, key, &next)) == 0) | |
100 | return chptr; | |
101 | ||
102 | /* User is +Q, or forwarding disabled */ | |
103 | if (IsNoForward(source_p) || !ConfigChannel.use_forward) | |
104 | return NULL; | |
105 | ||
106 | while (depth < 16) | |
107 | { | |
108 | if (next == NULL) | |
109 | return NULL; | |
110 | ||
111 | chptr = find_channel(next); | |
112 | /* Can only forward to existing channels */ | |
113 | if (chptr == NULL) | |
114 | return NULL; | |
115 | /* Already on there... but don't send the original reason for | |
116 | * being unable to join. It isn't their fault they're already | |
117 | * on the channel, and it looks hostile otherwise. | |
118 | * --Elizafox | |
119 | */ | |
120 | if (IsMember(source_p, chptr)) | |
121 | { | |
122 | *err = ERR_USERONCHANNEL; /* I'm borrowing this for now. --Elizafox */ | |
123 | return NULL; | |
124 | } | |
125 | /* Juped. Sending a warning notice would be unfair */ | |
126 | if (hash_find_resv(chptr->chname)) | |
127 | return NULL; | |
128 | /* Don't forward to +Q channel */ | |
129 | if (chptr->mode.mode & MODE_DISFORWARD) | |
130 | return NULL; | |
131 | ||
132 | i = can_join(source_p, chptr, key, &next); | |
133 | if (i == 0) | |
134 | return chptr; | |
135 | depth++; | |
136 | } | |
137 | ||
138 | return NULL; | |
139 | } | |
140 | ||
141 | /* | |
142 | * m_join | |
143 | * parv[1] = channel | |
144 | * parv[2] = channel password (key) | |
145 | */ | |
146 | static void | |
147 | m_join(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
148 | { | |
149 | static char jbuf[BUFSIZE]; | |
150 | struct Channel *chptr = NULL, *chptr2 = NULL; | |
151 | struct ConfItem *aconf; | |
152 | char *name; | |
153 | char *key = NULL; | |
154 | const char *modes; | |
155 | int i, flags = 0; | |
156 | char *p = NULL, *p2 = NULL; | |
157 | char *chanlist; | |
158 | char *mykey; | |
159 | ||
160 | jbuf[0] = '\0'; | |
161 | ||
162 | /* rebuild the list of channels theyre supposed to be joining. | |
163 | * this code has a side effect of losing keys, but.. | |
164 | */ | |
165 | chanlist = LOCAL_COPY(parv[1]); | |
166 | for(name = rb_strtok_r(chanlist, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) | |
167 | { | |
168 | /* check the length and name of channel is ok */ | |
169 | if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN)) | |
170 | { | |
171 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
172 | form_str(ERR_BADCHANNAME), (unsigned char *) name); | |
173 | continue; | |
174 | } | |
175 | ||
176 | /* join 0 parts all channels */ | |
177 | if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist) | |
178 | { | |
179 | rb_strlcpy(jbuf, "0", sizeof(jbuf)); | |
180 | continue; | |
181 | } | |
182 | ||
183 | /* check it begins with a valid channel prefix per policy. */ | |
184 | else if (!IsChannelName(name)) | |
185 | { | |
186 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
187 | form_str(ERR_NOSUCHCHANNEL), name); | |
188 | continue; | |
189 | } | |
190 | ||
191 | /* see if its resv'd */ | |
192 | if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name))) | |
193 | { | |
194 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
195 | form_str(ERR_BADCHANNAME), name); | |
196 | ||
197 | /* dont warn for opers */ | |
198 | if(!IsExemptJupe(source_p) && !IsOper(source_p)) | |
199 | sendto_realops_snomask(SNO_SPY, L_NETWIDE, | |
200 | "User %s (%s@%s) is attempting to join locally juped channel %s (%s)", | |
201 | source_p->name, source_p->username, | |
202 | source_p->orighost, name, aconf->passwd); | |
203 | /* dont update tracking for jupe exempt users, these | |
204 | * are likely to be spamtrap leaves | |
205 | */ | |
206 | else if(IsExemptJupe(source_p)) | |
207 | aconf->port--; | |
208 | ||
209 | continue; | |
210 | } | |
211 | ||
212 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
213 | ConfigChannel.no_join_on_split) | |
214 | { | |
215 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
216 | me.name, source_p->name, name); | |
217 | continue; | |
218 | } | |
219 | ||
220 | if(*jbuf) | |
221 | (void) strcat(jbuf, ","); | |
222 | (void) rb_strlcat(jbuf, name, sizeof(jbuf)); | |
223 | } | |
224 | ||
225 | if(parc > 2) | |
226 | { | |
227 | mykey = LOCAL_COPY(parv[2]); | |
228 | key = rb_strtok_r(mykey, ",", &p2); | |
229 | } | |
230 | ||
231 | for(name = rb_strtok_r(jbuf, ",", &p); name; | |
232 | key = (key) ? rb_strtok_r(NULL, ",", &p2) : NULL, name = rb_strtok_r(NULL, ",", &p)) | |
233 | { | |
234 | hook_data_channel_activity hook_info; | |
235 | ||
236 | /* JOIN 0 simply parts all channels the user is in */ | |
237 | if(*name == '0' && !atoi(name)) | |
238 | { | |
239 | if(source_p->user->channel.head == NULL) | |
240 | continue; | |
241 | ||
242 | do_join_0(&me, source_p); | |
243 | continue; | |
244 | } | |
245 | ||
246 | /* look for the channel */ | |
247 | if((chptr = find_channel(name)) != NULL) | |
248 | { | |
249 | if(IsMember(source_p, chptr)) | |
250 | continue; | |
251 | ||
252 | flags = 0; | |
253 | } | |
254 | else | |
255 | { | |
256 | hook_data_client_approval moduledata; | |
257 | ||
258 | moduledata.client = source_p; | |
259 | moduledata.approved = 0; | |
260 | ||
261 | call_hook(h_can_create_channel, &moduledata); | |
262 | ||
263 | if(moduledata.approved != 0) | |
264 | { | |
265 | if(moduledata.approved != ERR_CUSTOM) | |
266 | send_join_error(source_p, | |
267 | moduledata.approved, | |
268 | name); | |
269 | continue; | |
270 | } | |
271 | ||
272 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
273 | ConfigChannel.no_create_on_split) | |
274 | { | |
275 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
276 | me.name, source_p->name, name); | |
277 | continue; | |
278 | } | |
279 | ||
280 | flags = CHFL_CHANOP; | |
281 | } | |
282 | ||
283 | if((rb_dlink_list_length(&source_p->user->channel) >= | |
284 | (unsigned long) ConfigChannel.max_chans_per_user) && | |
285 | (!IsExtendChans(source_p) || | |
286 | (rb_dlink_list_length(&source_p->user->channel) >= | |
287 | (unsigned long) ConfigChannel.max_chans_per_user_large))) | |
288 | { | |
289 | sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS), | |
290 | me.name, source_p->name, name); | |
291 | continue; | |
292 | } | |
293 | ||
294 | if(chptr == NULL) /* If I already have a chptr, no point doing this */ | |
295 | { | |
296 | chptr = get_or_create_channel(source_p, name, NULL); | |
297 | ||
298 | if(chptr == NULL) | |
299 | { | |
300 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
301 | me.name, source_p->name, name); | |
302 | continue; | |
303 | } | |
304 | } | |
305 | ||
306 | /* If check_forward returns NULL, they couldn't join and there wasn't a usable forward channel. */ | |
307 | if((chptr2 = check_forward(source_p, chptr, key, &i)) == NULL) | |
308 | { | |
309 | /* might be wrong, but is there any other better location for such? | |
310 | * see extensions/chm_operonly.c for other comments on this | |
311 | * -- dwr | |
312 | */ | |
313 | if(i != ERR_CUSTOM) | |
314 | send_join_error(source_p, i, name); | |
315 | continue; | |
316 | } | |
317 | else if(chptr != chptr2) | |
318 | sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr2->chname); | |
319 | ||
320 | chptr = chptr2; | |
321 | ||
322 | if(flags == 0 && | |
323 | !IsOper(source_p) && !IsExemptSpambot(source_p)) | |
324 | check_spambot_warning(source_p, name); | |
325 | ||
326 | /* add the user to the channel */ | |
327 | add_user_to_channel(chptr, source_p, flags); | |
328 | if (chptr->mode.join_num && | |
329 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) | |
330 | { | |
331 | chptr->join_count = 0; | |
332 | chptr->join_delta = rb_current_time(); | |
333 | } | |
334 | chptr->join_count++; | |
335 | ||
336 | /* credit user for join */ | |
337 | credit_client_join(source_p); | |
338 | ||
339 | /* we send the user their join here, because we could have to | |
340 | * send a mode out next. | |
341 | */ | |
342 | send_channel_join(chptr, source_p); | |
343 | ||
344 | /* its a new channel, set +nt and burst. */ | |
345 | if(flags & CHFL_CHANOP) | |
346 | { | |
347 | chptr->channelts = rb_current_time(); | |
348 | chptr->mode.mode |= ConfigChannel.autochanmodes; | |
349 | modes = channel_modes(chptr, &me); | |
350 | ||
351 | sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s %s", | |
352 | me.name, chptr->chname, modes); | |
353 | ||
354 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
355 | ":%s SJOIN %ld %s %s :@%s", | |
356 | me.id, (long) chptr->channelts, | |
357 | chptr->chname, modes, source_p->id); | |
358 | } | |
359 | else | |
360 | { | |
361 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
362 | ":%s JOIN %ld %s +", | |
363 | use_id(source_p), (long) chptr->channelts, | |
364 | chptr->chname); | |
365 | } | |
366 | ||
367 | del_invite(chptr, source_p); | |
368 | ||
369 | if(chptr->topic != NULL) | |
370 | { | |
371 | sendto_one(source_p, form_str(RPL_TOPIC), me.name, | |
372 | source_p->name, chptr->chname, chptr->topic); | |
373 | ||
374 | sendto_one(source_p, form_str(RPL_TOPICWHOTIME), | |
375 | me.name, source_p->name, chptr->chname, | |
376 | chptr->topic_info, | |
377 | (unsigned long)chptr->topic_time); | |
378 | } | |
379 | ||
380 | channel_member_names(chptr, source_p, 1); | |
381 | ||
382 | hook_info.client = source_p; | |
383 | hook_info.chptr = chptr; | |
384 | hook_info.key = key; | |
385 | call_hook(h_channel_join, &hook_info); | |
386 | } | |
387 | } | |
388 | ||
389 | /* | |
390 | * ms_join | |
391 | * parv[1] = channel TS | |
392 | * parv[2] = channel | |
393 | * parv[3] = "+", formerly channel modes but now unused | |
394 | * alternatively, a single "0" parameter parts all channels | |
395 | */ | |
396 | static void | |
397 | ms_join(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
398 | { | |
399 | struct Channel *chptr; | |
400 | static struct Mode mode; | |
401 | time_t oldts; | |
402 | time_t newts; | |
403 | bool isnew; | |
404 | bool keep_our_modes = true; | |
405 | rb_dlink_node *ptr, *next_ptr; | |
406 | char *mbuf; | |
407 | ||
408 | /* special case for join 0 */ | |
409 | if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2) | |
410 | { | |
411 | do_join_0(client_p, source_p); | |
412 | return; | |
413 | } | |
414 | ||
415 | if(parc < 4) | |
416 | return; | |
417 | ||
418 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
419 | return; | |
420 | ||
421 | /* joins for local channels cant happen. */ | |
422 | if(parv[2][0] == '&') | |
423 | return; | |
424 | ||
425 | mbuf = modebuf; | |
426 | mode.key[0] = mode.forward[0] = '\0'; | |
427 | mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
428 | ||
429 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
430 | return; | |
431 | ||
432 | newts = atol(parv[1]); | |
433 | oldts = chptr->channelts; | |
434 | ||
435 | /* making a channel TS0 */ | |
436 | if(!isnew && !newts && oldts) | |
437 | { | |
438 | sendto_channel_local(ALL_MEMBERS, chptr, | |
439 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0", | |
440 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
441 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
442 | "Server %s changing TS on %s from %ld to 0", | |
443 | source_p->name, chptr->chname, (long) oldts); | |
444 | } | |
445 | ||
446 | if(isnew) | |
447 | chptr->channelts = newts; | |
448 | else if(newts == 0 || oldts == 0) | |
449 | chptr->channelts = 0; | |
450 | else if(newts == oldts) | |
451 | ; | |
452 | else if(newts < oldts) | |
453 | { | |
454 | keep_our_modes = false; | |
455 | chptr->channelts = newts; | |
456 | } | |
457 | ||
458 | /* Lost the TS, other side wins, so remove modes on this side */ | |
459 | if(!keep_our_modes) | |
460 | { | |
461 | mbuf = set_final_mode(mbuf, &mode, &chptr->mode); | |
462 | chptr->mode = mode; | |
463 | remove_our_modes(chptr, source_p); | |
464 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) | |
465 | { | |
466 | del_invite(chptr, ptr->data); | |
467 | } | |
468 | /* If setting -j, clear join throttle state -- jilles */ | |
469 | chptr->join_count = chptr->join_delta = 0; | |
470 | sendto_channel_local(ALL_MEMBERS, chptr, | |
471 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", | |
472 | me.name, chptr->chname, chptr->chname, | |
473 | (long) oldts, (long) newts); | |
474 | /* Update capitalization in channel name, this makes the | |
475 | * capitalization timestamped like modes are -- jilles */ | |
476 | strcpy(chptr->chname, parv[2]); | |
477 | if(*modebuf != '\0') | |
478 | sendto_channel_local(ALL_MEMBERS, chptr, | |
479 | ":%s MODE %s %s %s", | |
480 | source_p->servptr->name, | |
481 | chptr->chname, modebuf, parabuf); | |
482 | *modebuf = *parabuf = '\0'; | |
483 | ||
484 | /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */ | |
485 | set_channel_mlock(client_p, source_p, chptr, NULL, false); | |
486 | } | |
487 | ||
488 | if(!IsMember(source_p, chptr)) | |
489 | { | |
490 | add_user_to_channel(chptr, source_p, CHFL_PEON); | |
491 | if (chptr->mode.join_num && | |
492 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) | |
493 | { | |
494 | chptr->join_count = 0; | |
495 | chptr->join_delta = rb_current_time(); | |
496 | } | |
497 | chptr->join_count++; | |
498 | send_channel_join(chptr, source_p); | |
499 | } | |
500 | ||
501 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
502 | ":%s JOIN %ld %s +", | |
503 | source_p->id, (long) chptr->channelts, chptr->chname); | |
504 | } | |
505 | ||
506 | static void | |
507 | ms_sjoin(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
508 | { | |
509 | static char buf_uid[BUFSIZE]; | |
510 | static const char empty_modes[] = "0"; | |
511 | struct Channel *chptr; | |
512 | struct Client *target_p, *fakesource_p; | |
513 | time_t newts; | |
514 | time_t oldts; | |
515 | static struct Mode mode, *oldmode; | |
516 | const char *modes; | |
517 | int args = 0; | |
518 | bool keep_our_modes = true; | |
519 | bool keep_new_modes = true; | |
520 | int fl; | |
521 | bool isnew; | |
522 | int mlen_uid; | |
523 | int len_uid; | |
524 | int len; | |
525 | int joins = 0; | |
526 | const char *s; | |
527 | char *ptr_uid; | |
528 | char *p; | |
529 | int i, joinc = 0, timeslice = 0; | |
530 | static char empty[] = ""; | |
531 | rb_dlink_node *ptr, *next_ptr; | |
532 | char *mbuf; | |
533 | int pargs; | |
534 | const char *para[MAXMODEPARAMS]; | |
535 | ||
536 | if(parc < 5) | |
537 | return; | |
538 | ||
539 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
540 | return; | |
541 | ||
542 | /* SJOIN's for local channels can't happen. */ | |
543 | if(*parv[2] == '&') | |
544 | return; | |
545 | ||
546 | modebuf[0] = parabuf[0] = mode.key[0] = mode.forward[0] = '\0'; | |
547 | pargs = mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
548 | ||
549 | /* Hide connecting server on netburst -- jilles */ | |
550 | if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) | |
551 | fakesource_p = &me; | |
552 | else | |
553 | fakesource_p = source_p; | |
554 | ||
555 | mbuf = modebuf; | |
556 | newts = atol(parv[1]); | |
557 | ||
558 | s = parv[3]; | |
559 | while (*s) | |
560 | { | |
561 | switch (*(s++)) | |
562 | { | |
563 | case 'f': | |
564 | rb_strlcpy(mode.forward, parv[4 + args], sizeof(mode.forward)); | |
565 | args++; | |
566 | if(parc < 5 + args) | |
567 | return; | |
568 | break; | |
569 | case 'j': | |
570 | sscanf(parv[4 + args], "%d:%d", &joinc, ×lice); | |
571 | args++; | |
572 | mode.join_num = joinc; | |
573 | mode.join_time = timeslice; | |
574 | if(parc < 5 + args) | |
575 | return; | |
576 | break; | |
577 | case 'k': | |
578 | rb_strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); | |
579 | args++; | |
580 | if(parc < 5 + args) | |
581 | return; | |
582 | break; | |
583 | case 'l': | |
584 | mode.limit = atoi(parv[4 + args]); | |
585 | args++; | |
586 | if(parc < 5 + args) | |
587 | return; | |
588 | break; | |
589 | default: | |
590 | if(chmode_flags[(int) *s] != 0) | |
591 | { | |
592 | mode.mode |= chmode_flags[(int) *s]; | |
593 | } | |
594 | } | |
595 | } | |
596 | ||
597 | if(parv[args + 4]) | |
598 | { | |
599 | s = parv[args + 4]; | |
600 | ||
601 | /* remove any leading spaces */ | |
602 | while (*s == ' ') | |
603 | s++; | |
604 | } | |
605 | else | |
606 | s = ""; | |
607 | ||
608 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
609 | return; /* channel name too long? */ | |
610 | ||
611 | ||
612 | oldts = chptr->channelts; | |
613 | oldmode = &chptr->mode; | |
614 | ||
615 | if(!isnew && !newts && oldts) | |
616 | { | |
617 | sendto_channel_local(ALL_MEMBERS, chptr, | |
618 | ":%s NOTICE %s :*** Notice -- TS for %s " | |
619 | "changed from %ld to 0", | |
620 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
621 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
622 | "Server %s changing TS on %s from %ld to 0", | |
623 | source_p->name, chptr->chname, (long) oldts); | |
624 | } | |
625 | ||
626 | if(isnew) | |
627 | chptr->channelts = newts; | |
628 | ||
629 | else if(newts == 0 || oldts == 0) | |
630 | chptr->channelts = 0; | |
631 | else if(newts == oldts) | |
632 | ; | |
633 | else if(newts < oldts) | |
634 | { | |
635 | /* If configured, kick people trying to join +i/+k | |
636 | * channels by recreating them on split servers. | |
637 | * If the source has sent EOB, assume this is some | |
638 | * sort of hack by services. If cmode +i is set, | |
639 | * services can send kicks if needed; if the key | |
640 | * differs, services cannot kick in a race-free | |
641 | * manner so do so here. | |
642 | * -- jilles */ | |
643 | if (ConfigChannel.kick_on_split_riding && | |
644 | ((!HasSentEob(source_p) && | |
645 | mode.mode & MODE_INVITEONLY) || | |
646 | (mode.key[0] != 0 && irccmp(mode.key, oldmode->key) != 0))) | |
647 | { | |
648 | struct membership *msptr; | |
649 | struct Client *who; | |
650 | int l = rb_dlink_list_length(&chptr->members); | |
651 | ||
652 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) | |
653 | { | |
654 | msptr = ptr->data; | |
655 | who = msptr->client_p; | |
656 | sendto_one(who, ":%s KICK %s %s :Net Rider", | |
657 | me.name, chptr->chname, who->name); | |
658 | ||
659 | sendto_server(NULL, chptr, CAP_TS6, NOCAPS, | |
660 | ":%s KICK %s %s :Net Rider", | |
661 | me.id, chptr->chname, | |
662 | who->id); | |
663 | remove_user_from_channel(msptr); | |
664 | if (--l == 0) | |
665 | break; | |
666 | } | |
667 | if (l == 0) | |
668 | { | |
669 | /* Channel was emptied, create a new one */ | |
670 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
671 | return; /* oops! */ | |
672 | ||
673 | oldmode = &chptr->mode; | |
674 | } | |
675 | } | |
676 | keep_our_modes = false; | |
677 | chptr->channelts = newts; | |
678 | } | |
679 | else | |
680 | keep_new_modes = false; | |
681 | ||
682 | if(!keep_new_modes) | |
683 | mode = *oldmode; | |
684 | else if(keep_our_modes) | |
685 | { | |
686 | mode.mode |= oldmode->mode; | |
687 | if(oldmode->limit > mode.limit) | |
688 | mode.limit = oldmode->limit; | |
689 | if(strcmp(mode.key, oldmode->key) < 0) | |
690 | rb_strlcpy(mode.key, oldmode->key, sizeof(mode.key)); | |
691 | if(oldmode->join_num > mode.join_num || | |
692 | (oldmode->join_num == mode.join_num && | |
693 | oldmode->join_time > mode.join_time)) | |
694 | { | |
695 | mode.join_num = oldmode->join_num; | |
696 | mode.join_time = oldmode->join_time; | |
697 | } | |
698 | if(irccmp(mode.forward, oldmode->forward) < 0) | |
699 | rb_strlcpy(mode.forward, oldmode->forward, sizeof(mode.forward)); | |
700 | } | |
701 | else | |
702 | { | |
703 | /* If setting -j, clear join throttle state -- jilles */ | |
704 | if (!mode.join_num) | |
705 | chptr->join_count = chptr->join_delta = 0; | |
706 | } | |
707 | ||
708 | mbuf = set_final_mode(mbuf, &mode, oldmode); | |
709 | chptr->mode = mode; | |
710 | ||
711 | /* Lost the TS, other side wins, so remove modes on this side */ | |
712 | if(!keep_our_modes) | |
713 | { | |
714 | remove_our_modes(chptr, fakesource_p); | |
715 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) | |
716 | { | |
717 | del_invite(chptr, ptr->data); | |
718 | } | |
719 | ||
720 | if(rb_dlink_list_length(&chptr->banlist) > 0) | |
721 | remove_ban_list(chptr, fakesource_p, &chptr->banlist, 'b', ALL_MEMBERS); | |
722 | if(rb_dlink_list_length(&chptr->exceptlist) > 0) | |
723 | remove_ban_list(chptr, fakesource_p, &chptr->exceptlist, | |
724 | 'e', ONLY_CHANOPS); | |
725 | if(rb_dlink_list_length(&chptr->invexlist) > 0) | |
726 | remove_ban_list(chptr, fakesource_p, &chptr->invexlist, | |
727 | 'I', ONLY_CHANOPS); | |
728 | if(rb_dlink_list_length(&chptr->quietlist) > 0) | |
729 | remove_ban_list(chptr, fakesource_p, &chptr->quietlist, | |
730 | 'q', ALL_MEMBERS); | |
731 | chptr->bants++; | |
732 | ||
733 | sendto_channel_local(ALL_MEMBERS, chptr, | |
734 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", | |
735 | me.name, chptr->chname, chptr->chname, | |
736 | (long) oldts, (long) newts); | |
737 | /* Update capitalization in channel name, this makes the | |
738 | * capitalization timestamped like modes are -- jilles */ | |
739 | strcpy(chptr->chname, parv[2]); | |
740 | ||
741 | /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */ | |
742 | set_channel_mlock(client_p, source_p, chptr, NULL, false); | |
743 | } | |
744 | ||
745 | if(*modebuf != '\0') | |
746 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s", | |
747 | fakesource_p->name, chptr->chname, modebuf, parabuf); | |
748 | ||
749 | *modebuf = *parabuf = '\0'; | |
750 | ||
751 | if(parv[3][0] != '0' && keep_new_modes) | |
752 | modes = channel_modes(chptr, source_p); | |
753 | else | |
754 | modes = empty_modes; | |
755 | ||
756 | mlen_uid = sprintf(buf_uid, ":%s SJOIN %ld %s %s :", | |
757 | use_id(source_p), (long) chptr->channelts, parv[2], modes); | |
758 | ptr_uid = buf_uid + mlen_uid; | |
759 | ||
760 | mbuf = modebuf; | |
761 | para[0] = para[1] = para[2] = para[3] = empty; | |
762 | pargs = 0; | |
763 | len_uid = 0; | |
764 | ||
765 | /* if theres a space, theres going to be more than one nick, change the | |
766 | * first space to \0, so s is just the first nick, and point p to the | |
767 | * second nick | |
768 | */ | |
769 | if((p = strchr(s, ' ')) != NULL) | |
770 | { | |
771 | *p++ = '\0'; | |
772 | } | |
773 | ||
774 | *mbuf++ = '+'; | |
775 | ||
776 | while (s) | |
777 | { | |
778 | fl = 0; | |
779 | ||
780 | for (i = 0; i < 2; i++) | |
781 | { | |
782 | if(*s == '@') | |
783 | { | |
784 | fl |= CHFL_CHANOP; | |
785 | s++; | |
786 | } | |
787 | else if(*s == '+') | |
788 | { | |
789 | fl |= CHFL_VOICE; | |
790 | s++; | |
791 | } | |
792 | } | |
793 | ||
794 | /* if the client doesnt exist or is fake direction, skip. */ | |
795 | if(!(target_p = find_client(s)) || | |
796 | (target_p->from != client_p) || !IsPerson(target_p)) | |
797 | goto nextnick; | |
798 | ||
799 | /* we assume for these we can fit at least one nick/uid in.. */ | |
800 | ||
801 | /* check we can fit another status+nick+space into a buffer */ | |
802 | if((mlen_uid + len_uid + IDLEN + 3) > (BUFSIZE - 3)) | |
803 | { | |
804 | *(ptr_uid - 1) = '\0'; | |
805 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
806 | ptr_uid = buf_uid + mlen_uid; | |
807 | len_uid = 0; | |
808 | } | |
809 | ||
810 | if(keep_new_modes) | |
811 | { | |
812 | if(fl & CHFL_CHANOP) | |
813 | { | |
814 | *ptr_uid++ = '@'; | |
815 | len_uid++; | |
816 | } | |
817 | if(fl & CHFL_VOICE) | |
818 | { | |
819 | *ptr_uid++ = '+'; | |
820 | len_uid++; | |
821 | } | |
822 | } | |
823 | ||
824 | /* copy the nick to the two buffers */ | |
825 | len = sprintf(ptr_uid, "%s ", use_id(target_p)); | |
826 | ptr_uid += len; | |
827 | len_uid += len; | |
828 | ||
829 | if(!keep_new_modes) | |
830 | fl = 0; | |
831 | ||
832 | if(!IsMember(target_p, chptr)) | |
833 | { | |
834 | add_user_to_channel(chptr, target_p, fl); | |
835 | send_channel_join(chptr, target_p); | |
836 | joins++; | |
837 | } | |
838 | ||
839 | if(fl & CHFL_CHANOP) | |
840 | { | |
841 | *mbuf++ = 'o'; | |
842 | para[pargs++] = target_p->name; | |
843 | ||
844 | /* a +ov user.. bleh */ | |
845 | if(fl & CHFL_VOICE) | |
846 | { | |
847 | /* its possible the +o has filled up MAXMODEPARAMS, if so, start | |
848 | * a new buffer | |
849 | */ | |
850 | if(pargs >= MAXMODEPARAMS) | |
851 | { | |
852 | *mbuf = '\0'; | |
853 | sendto_channel_local(ALL_MEMBERS, chptr, | |
854 | ":%s MODE %s %s %s %s %s %s", | |
855 | fakesource_p->name, chptr->chname, | |
856 | modebuf, | |
857 | para[0], para[1], para[2], para[3]); | |
858 | mbuf = modebuf; | |
859 | *mbuf++ = '+'; | |
860 | para[0] = para[1] = para[2] = para[3] = NULL; | |
861 | pargs = 0; | |
862 | } | |
863 | ||
864 | *mbuf++ = 'v'; | |
865 | para[pargs++] = target_p->name; | |
866 | } | |
867 | } | |
868 | else if(fl & CHFL_VOICE) | |
869 | { | |
870 | *mbuf++ = 'v'; | |
871 | para[pargs++] = target_p->name; | |
872 | } | |
873 | ||
874 | if(pargs >= MAXMODEPARAMS) | |
875 | { | |
876 | *mbuf = '\0'; | |
877 | sendto_channel_local(ALL_MEMBERS, chptr, | |
878 | ":%s MODE %s %s %s %s %s %s", | |
879 | fakesource_p->name, | |
880 | chptr->chname, | |
881 | modebuf, para[0], para[1], para[2], para[3]); | |
882 | mbuf = modebuf; | |
883 | *mbuf++ = '+'; | |
884 | para[0] = para[1] = para[2] = para[3] = NULL; | |
885 | pargs = 0; | |
886 | } | |
887 | ||
888 | nextnick: | |
889 | /* p points to the next nick */ | |
890 | s = p; | |
891 | ||
892 | /* if there was a trailing space and p was pointing to it, then we | |
893 | * need to exit.. this has the side effect of breaking double spaces | |
894 | * in an sjoin.. but that shouldnt happen anyway | |
895 | */ | |
896 | if(s && (*s == '\0')) | |
897 | s = p = NULL; | |
898 | ||
899 | /* if p was NULL due to no spaces, s wont exist due to the above, so | |
900 | * we cant check it for spaces.. if there are no spaces, then when | |
901 | * we next get here, s will be NULL | |
902 | */ | |
903 | if(s && ((p = strchr(s, ' ')) != NULL)) | |
904 | { | |
905 | *p++ = '\0'; | |
906 | } | |
907 | } | |
908 | ||
909 | *mbuf = '\0'; | |
910 | if(pargs) | |
911 | { | |
912 | sendto_channel_local(ALL_MEMBERS, chptr, | |
913 | ":%s MODE %s %s %s %s %s %s", | |
914 | fakesource_p->name, chptr->chname, modebuf, | |
915 | para[0], CheckEmpty(para[1]), | |
916 | CheckEmpty(para[2]), CheckEmpty(para[3])); | |
917 | } | |
918 | ||
919 | if(!joins && !(chptr->mode.mode & MODE_PERMANENT) && isnew) | |
920 | { | |
921 | destroy_channel(chptr); | |
922 | ||
923 | return; | |
924 | } | |
925 | ||
926 | /* Keep the colon if we're sending an SJOIN without nicks -- jilles */ | |
927 | if (joins) | |
928 | { | |
929 | *(ptr_uid - 1) = '\0'; | |
930 | } | |
931 | ||
932 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
933 | } | |
934 | ||
935 | /* | |
936 | * do_join_0 | |
937 | * | |
938 | * inputs - pointer to client doing join 0 | |
939 | * output - NONE | |
940 | * side effects - Use has decided to join 0. This is legacy | |
941 | * from the days when channels were numbers not names. *sigh* | |
942 | */ | |
943 | static void | |
944 | do_join_0(struct Client *client_p, struct Client *source_p) | |
945 | { | |
946 | struct membership *msptr; | |
947 | struct Channel *chptr = NULL; | |
948 | rb_dlink_node *ptr; | |
949 | ||
950 | /* Finish the flood grace period... */ | |
951 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
952 | flood_endgrace(source_p); | |
953 | ||
954 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p)); | |
955 | ||
956 | while((ptr = source_p->user->channel.head)) | |
957 | { | |
958 | if(MyConnect(source_p) && | |
959 | !IsOper(source_p) && !IsExemptSpambot(source_p)) | |
960 | check_spambot_warning(source_p, NULL); | |
961 | ||
962 | msptr = ptr->data; | |
963 | chptr = msptr->chptr; | |
964 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s", | |
965 | source_p->name, | |
966 | source_p->username, source_p->host, chptr->chname); | |
967 | remove_user_from_channel(msptr); | |
968 | } | |
969 | } | |
970 | ||
971 | static bool | |
972 | check_channel_name_loc(struct Client *source_p, const char *name) | |
973 | { | |
974 | const char *p; | |
975 | ||
976 | s_assert(name != NULL); | |
977 | if(EmptyString(name)) | |
978 | return false; | |
979 | ||
980 | if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p)) | |
981 | { | |
982 | for(p = name; *p; ++p) | |
983 | { | |
984 | if(!IsChanChar(*p) || IsFakeChanChar(*p)) | |
985 | return false; | |
986 | } | |
987 | } | |
988 | else | |
989 | { | |
990 | for(p = name; *p; ++p) | |
991 | { | |
992 | if(!IsChanChar(*p)) | |
993 | return false; | |
994 | } | |
995 | } | |
996 | ||
997 | if(ConfigChannel.only_ascii_channels) | |
998 | { | |
999 | for(p = name; *p; ++p) | |
1000 | if(*p < 33 || *p > 126) | |
1001 | return false; | |
1002 | } | |
1003 | ||
1004 | return true; | |
1005 | } | |
1006 | ||
1007 | /* send_join_error() | |
1008 | * | |
1009 | * input - client to send to, reason, channel name | |
1010 | * output - none | |
1011 | * side effects - error message sent to client | |
1012 | */ | |
1013 | static void | |
1014 | send_join_error(struct Client *source_p, int numeric, const char *name) | |
1015 | { | |
1016 | /* This stuff is necessary because the form_str macro only | |
1017 | * accepts constants. | |
1018 | */ | |
1019 | switch (numeric) | |
1020 | { | |
1021 | #define NORMAL_NUMERIC(i) \ | |
1022 | case i: \ | |
1023 | sendto_one(source_p, form_str(i), \ | |
1024 | me.name, source_p->name, name); \ | |
1025 | break | |
1026 | ||
1027 | NORMAL_NUMERIC(ERR_BANNEDFROMCHAN); | |
1028 | NORMAL_NUMERIC(ERR_INVITEONLYCHAN); | |
1029 | NORMAL_NUMERIC(ERR_BADCHANNELKEY); | |
1030 | NORMAL_NUMERIC(ERR_CHANNELISFULL); | |
1031 | NORMAL_NUMERIC(ERR_NEEDREGGEDNICK); | |
1032 | NORMAL_NUMERIC(ERR_THROTTLE); | |
1033 | ||
1034 | default: | |
1035 | sendto_one_numeric(source_p, numeric, | |
1036 | "%s :Cannot join channel", name); | |
1037 | break; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | static char * | |
1042 | set_final_mode(char *mbuf, struct Mode *mode, struct Mode *oldmode) | |
1043 | { | |
1044 | int dir = MODE_QUERY; | |
1045 | char *pbuf = parabuf; | |
1046 | int len; | |
1047 | int i; | |
1048 | ||
1049 | /* ok, first get a list of modes we need to add */ | |
1050 | for (i = 0; i < 256; i++) | |
1051 | { | |
1052 | if((mode->mode & chmode_flags[i]) && !(oldmode->mode & chmode_flags[i])) | |
1053 | { | |
1054 | if(dir != MODE_ADD) | |
1055 | { | |
1056 | *mbuf++ = '+'; | |
1057 | dir = MODE_ADD; | |
1058 | } | |
1059 | *mbuf++ = i; | |
1060 | } | |
1061 | } | |
1062 | ||
1063 | /* now the ones we need to remove. */ | |
1064 | for (i = 0; i < 256; i++) | |
1065 | { | |
1066 | if((oldmode->mode & chmode_flags[i]) && !(mode->mode & chmode_flags[i])) | |
1067 | { | |
1068 | if(dir != MODE_DEL) | |
1069 | { | |
1070 | *mbuf++ = '-'; | |
1071 | dir = MODE_DEL; | |
1072 | } | |
1073 | *mbuf++ = i; | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | if(oldmode->limit && !mode->limit) | |
1078 | { | |
1079 | if(dir != MODE_DEL) | |
1080 | { | |
1081 | *mbuf++ = '-'; | |
1082 | dir = MODE_DEL; | |
1083 | } | |
1084 | *mbuf++ = 'l'; | |
1085 | } | |
1086 | if(oldmode->key[0] && !mode->key[0]) | |
1087 | { | |
1088 | if(dir != MODE_DEL) | |
1089 | { | |
1090 | *mbuf++ = '-'; | |
1091 | dir = MODE_DEL; | |
1092 | } | |
1093 | *mbuf++ = 'k'; | |
1094 | len = sprintf(pbuf, "%s ", oldmode->key); | |
1095 | pbuf += len; | |
1096 | } | |
1097 | if(oldmode->join_num && !mode->join_num) | |
1098 | { | |
1099 | if(dir != MODE_DEL) | |
1100 | { | |
1101 | *mbuf++ = '-'; | |
1102 | dir = MODE_DEL; | |
1103 | } | |
1104 | *mbuf++ = 'j'; | |
1105 | } | |
1106 | if(oldmode->forward[0] && !mode->forward[0]) | |
1107 | { | |
1108 | if(dir != MODE_DEL) | |
1109 | { | |
1110 | *mbuf++ = '-'; | |
1111 | dir = MODE_DEL; | |
1112 | } | |
1113 | *mbuf++ = 'f'; | |
1114 | } | |
1115 | if(mode->limit && oldmode->limit != mode->limit) | |
1116 | { | |
1117 | if(dir != MODE_ADD) | |
1118 | { | |
1119 | *mbuf++ = '+'; | |
1120 | dir = MODE_ADD; | |
1121 | } | |
1122 | *mbuf++ = 'l'; | |
1123 | len = sprintf(pbuf, "%d ", mode->limit); | |
1124 | pbuf += len; | |
1125 | } | |
1126 | if(mode->key[0] && strcmp(oldmode->key, mode->key)) | |
1127 | { | |
1128 | if(dir != MODE_ADD) | |
1129 | { | |
1130 | *mbuf++ = '+'; | |
1131 | dir = MODE_ADD; | |
1132 | } | |
1133 | *mbuf++ = 'k'; | |
1134 | len = sprintf(pbuf, "%s ", mode->key); | |
1135 | pbuf += len; | |
1136 | } | |
1137 | if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time)) | |
1138 | { | |
1139 | if(dir != MODE_ADD) | |
1140 | { | |
1141 | *mbuf++ = '+'; | |
1142 | dir = MODE_ADD; | |
1143 | } | |
1144 | *mbuf++ = 'j'; | |
1145 | len = sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time); | |
1146 | pbuf += len; | |
1147 | } | |
1148 | if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) && | |
1149 | ConfigChannel.use_forward) | |
1150 | { | |
1151 | if(dir != MODE_ADD) | |
1152 | { | |
1153 | *mbuf++ = '+'; | |
1154 | dir = MODE_ADD; | |
1155 | } | |
1156 | *mbuf++ = 'f'; | |
1157 | len = sprintf(pbuf, "%s ", mode->forward); | |
1158 | pbuf += len; | |
1159 | } | |
1160 | *mbuf = '\0'; | |
1161 | ||
1162 | return mbuf; | |
1163 | } | |
1164 | ||
1165 | /* | |
1166 | * remove_our_modes | |
1167 | * | |
1168 | * inputs - | |
1169 | * output - | |
1170 | * side effects - | |
1171 | */ | |
1172 | static void | |
1173 | remove_our_modes(struct Channel *chptr, struct Client *source_p) | |
1174 | { | |
1175 | struct membership *msptr; | |
1176 | rb_dlink_node *ptr; | |
1177 | char lmodebuf[MODEBUFLEN]; | |
1178 | char *lpara[MAXMODEPARAMS]; | |
1179 | int count = 0; | |
1180 | int i; | |
1181 | char *mbuf = lmodebuf; | |
1182 | ||
1183 | *mbuf++ = '-'; | |
1184 | ||
1185 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1186 | lpara[i] = NULL; | |
1187 | ||
1188 | RB_DLINK_FOREACH(ptr, chptr->members.head) | |
1189 | { | |
1190 | msptr = ptr->data; | |
1191 | ||
1192 | if(is_chanop(msptr)) | |
1193 | { | |
1194 | msptr->flags &= ~CHFL_CHANOP; | |
1195 | lpara[count++] = msptr->client_p->name; | |
1196 | *mbuf++ = 'o'; | |
1197 | ||
1198 | /* +ov, might not fit so check. */ | |
1199 | if(is_voiced(msptr)) | |
1200 | { | |
1201 | if(count >= MAXMODEPARAMS) | |
1202 | { | |
1203 | *mbuf = '\0'; | |
1204 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1205 | ":%s MODE %s %s %s %s %s %s", | |
1206 | source_p->name, chptr->chname, | |
1207 | lmodebuf, lpara[0], lpara[1], | |
1208 | lpara[2], lpara[3]); | |
1209 | ||
1210 | /* preserve the initial '-' */ | |
1211 | mbuf = lmodebuf; | |
1212 | *mbuf++ = '-'; | |
1213 | count = 0; | |
1214 | ||
1215 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1216 | lpara[i] = NULL; | |
1217 | } | |
1218 | ||
1219 | msptr->flags &= ~CHFL_VOICE; | |
1220 | lpara[count++] = msptr->client_p->name; | |
1221 | *mbuf++ = 'v'; | |
1222 | } | |
1223 | } | |
1224 | else if(is_voiced(msptr)) | |
1225 | { | |
1226 | msptr->flags &= ~CHFL_VOICE; | |
1227 | lpara[count++] = msptr->client_p->name; | |
1228 | *mbuf++ = 'v'; | |
1229 | } | |
1230 | else | |
1231 | continue; | |
1232 | ||
1233 | if(count >= MAXMODEPARAMS) | |
1234 | { | |
1235 | *mbuf = '\0'; | |
1236 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1237 | ":%s MODE %s %s %s %s %s %s", | |
1238 | source_p->name, chptr->chname, lmodebuf, | |
1239 | lpara[0], lpara[1], lpara[2], lpara[3]); | |
1240 | mbuf = lmodebuf; | |
1241 | *mbuf++ = '-'; | |
1242 | count = 0; | |
1243 | ||
1244 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1245 | lpara[i] = NULL; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | if(count != 0) | |
1250 | { | |
1251 | *mbuf = '\0'; | |
1252 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1253 | ":%s MODE %s %s %s %s %s %s", | |
1254 | source_p->name, chptr->chname, lmodebuf, | |
1255 | EmptyString(lpara[0]) ? "" : lpara[0], | |
1256 | EmptyString(lpara[1]) ? "" : lpara[1], | |
1257 | EmptyString(lpara[2]) ? "" : lpara[2], | |
1258 | EmptyString(lpara[3]) ? "" : lpara[3]); | |
1259 | ||
1260 | } | |
1261 | } | |
1262 | ||
1263 | /* remove_ban_list() | |
1264 | * | |
1265 | * inputs - channel, source, list to remove, char of mode, caps needed | |
1266 | * outputs - | |
1267 | * side effects - given list is removed, with modes issued to local clients | |
1268 | */ | |
1269 | static void | |
1270 | remove_ban_list(struct Channel *chptr, struct Client *source_p, | |
1271 | rb_dlink_list * list, char c, int mems) | |
1272 | { | |
1273 | static char lmodebuf[BUFSIZE]; | |
1274 | static char lparabuf[BUFSIZE]; | |
1275 | struct Ban *banptr; | |
1276 | rb_dlink_node *ptr; | |
1277 | rb_dlink_node *next_ptr; | |
1278 | char *pbuf; | |
1279 | int count = 0; | |
1280 | int cur_len, mlen, plen; | |
1281 | char *mbuf; | |
1282 | ||
1283 | pbuf = lparabuf; | |
1284 | ||
1285 | cur_len = mlen = sprintf(lmodebuf, ":%s MODE %s -", source_p->name, chptr->chname); | |
1286 | mbuf = lmodebuf + mlen; | |
1287 | ||
1288 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) | |
1289 | { | |
1290 | banptr = ptr->data; | |
1291 | ||
1292 | /* trailing space, and the mode letter itself */ | |
1293 | plen = strlen(banptr->banstr) + | |
1294 | (banptr->forward ? strlen(banptr->forward) + 1 : 0) + 2; | |
1295 | ||
1296 | if(count >= MAXMODEPARAMS || (cur_len + plen) > BUFSIZE - 4) | |
1297 | { | |
1298 | /* remove trailing space */ | |
1299 | *mbuf = '\0'; | |
1300 | *(pbuf - 1) = '\0'; | |
1301 | ||
1302 | sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); | |
1303 | ||
1304 | cur_len = mlen; | |
1305 | mbuf = lmodebuf + mlen; | |
1306 | pbuf = lparabuf; | |
1307 | count = 0; | |
1308 | } | |
1309 | ||
1310 | *mbuf++ = c; | |
1311 | cur_len += plen; | |
1312 | if (banptr->forward) | |
1313 | pbuf += sprintf(pbuf, "%s$%s ", banptr->banstr, banptr->forward); | |
1314 | else | |
1315 | pbuf += sprintf(pbuf, "%s ", banptr->banstr); | |
1316 | count++; | |
1317 | ||
1318 | free_ban(banptr); | |
1319 | } | |
1320 | ||
1321 | *mbuf = '\0'; | |
1322 | *(pbuf - 1) = '\0'; | |
1323 | sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); | |
1324 | ||
1325 | list->head = list->tail = NULL; | |
1326 | list->length = 0; | |
1327 | } |