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[irc/rqf/shadowircd.git] / modules / core / m_join.c
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212380e3 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 *
f4a80ce6 24 * $Id: m_join.c 3494 2007-05-27 13:07:27Z jilles $
212380e3 25 */
26
27#include "stdinc.h"
212380e3 28#include "channel.h"
29#include "client.h"
30#include "common.h"
31#include "hash.h"
32#include "irc_string.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 "sprintf_irc.h"
43#include "packet.h"
44
45static int m_join(struct Client *, struct Client *, int, const char **);
46static int ms_join(struct Client *, struct Client *, int, const char **);
47
48static int h_can_create_channel;
49static int h_channel_join;
50
51struct Message join_msgtab = {
52 "JOIN", 0, 0, 0, MFLG_SLOW,
53 {mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}}
54};
55
56mapi_clist_av1 join_clist[] = { &join_msgtab, NULL };
57
58mapi_hlist_av1 join_hlist[] = {
59 { "can_create_channel", &h_can_create_channel },
60 { "channel_join", &h_channel_join },
61 { NULL, NULL },
62};
63
f4a80ce6 64DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, join_hlist, NULL, "$Revision: 3494 $");
212380e3 65
f4a80ce6 66static void do_join_0(struct Client *client_p, struct Client *source_p);
212380e3 67static int check_channel_name_loc(struct Client *source_p, const char *name);
68
69static void set_final_mode(struct Mode *mode, struct Mode *oldmode);
70static void remove_our_modes(struct Channel *chptr, struct Client *source_p);
71
72static char modebuf[MODEBUFLEN];
73static char parabuf[MODEBUFLEN];
74static char *mbuf;
75
76/* Check what we will forward to, without sending any notices to the user
77 * -- jilles
78 */
79static struct Channel *
80check_forward(struct Client *source_p, struct Channel *chptr,
81 char *key)
82{
83 int depth = 0, i;
84
85 /* User is +Q */
86 if (IsNoForward(source_p))
87 return NULL;
88
89 while (depth < 16)
90 {
91 chptr = find_channel(chptr->mode.forward);
92 /* Can only forward to existing channels */
93 if (chptr == NULL)
94 return NULL;
95 /* Already on there, show original error message */
96 if (IsMember(source_p, chptr))
97 return NULL;
98 /* Juped. Sending a warning notice would be unfair */
99 if (hash_find_resv(chptr->chname))
100 return NULL;
101 /* Don't forward to +Q channel */
102 if (chptr->mode.mode & MODE_DISFORWARD)
103 return NULL;
104 i = can_join(source_p, chptr, key);
105 if (i == 0)
106 return chptr;
107 if (i != ERR_INVITEONLYCHAN && i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_CHANNELISFULL)
108 return NULL;
109 depth++;
110 }
111
112 return NULL;
113}
114
115/*
116 * m_join
117 * parv[0] = sender prefix
118 * parv[1] = channel
119 * parv[2] = channel password (key)
120 */
121static int
122m_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
123{
124 static char jbuf[BUFSIZE];
125 struct Channel *chptr = NULL;
126 struct ConfItem *aconf;
127 char *name;
128 char *key = NULL;
129 int i, flags = 0;
130 char *p = NULL, *p2 = NULL;
131 char *chanlist;
132 char *mykey;
133 int successful_join_count = 0; /* Number of channels successfully joined */
134
135 jbuf[0] = '\0';
136
137 /* rebuild the list of channels theyre supposed to be joining.
138 * this code has a side effect of losing keys, but..
139 */
140 chanlist = LOCAL_COPY(parv[1]);
141 for(name = strtoken(&p, chanlist, ","); name; name = strtoken(&p, NULL, ","))
142 {
143 /* check the length and name of channel is ok */
144 if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN))
145 {
146 sendto_one_numeric(source_p, ERR_BADCHANNAME,
147 form_str(ERR_BADCHANNAME), (unsigned char *) name);
148 continue;
149 }
150
f4a80ce6 151 /* join 0 parts all channels */
152 if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist)
153 {
154 (void) strcpy(jbuf, "0");
155 continue;
156 }
157
212380e3 158 /* check it begins with # or &, and local chans are disabled */
159 else if(!IsChannelName(name))
160 {
161 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
162 form_str(ERR_NOSUCHCHANNEL), name);
163 continue;
164 }
165
166 /* see if its resv'd */
167 if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name)))
168 {
169 sendto_one_numeric(source_p, ERR_BADCHANNAME,
170 form_str(ERR_BADCHANNAME), name);
171
172 /* dont warn for opers */
173 if(!IsExemptJupe(source_p) && !IsOper(source_p))
174 sendto_realops_snomask(SNO_SPY, L_NETWIDE,
175 "User %s (%s@%s) is attempting to join locally juped channel %s (%s)",
176 source_p->name, source_p->username,
63aecfb9 177 source_p->orighost, name, aconf->passwd);
212380e3 178 /* dont update tracking for jupe exempt users, these
179 * are likely to be spamtrap leaves
180 */
181 else if(IsExemptJupe(source_p))
182 aconf->port--;
183
184 continue;
185 }
186
187 if(splitmode && !IsOper(source_p) && (*name != '&') &&
188 ConfigChannel.no_join_on_split)
189 {
190 sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
191 me.name, source_p->name, name);
192 continue;
193 }
194
195 if(*jbuf)
196 (void) strcat(jbuf, ",");
197 (void) strlcat(jbuf, name, sizeof(jbuf));
198 }
199
200 if(parc > 2)
201 {
202 mykey = LOCAL_COPY(parv[2]);
203 key = strtoken(&p2, mykey, ",");
204 }
205
206 for(name = strtoken(&p, jbuf, ","); name;
207 key = (key) ? strtoken(&p2, NULL, ",") : NULL, name = strtoken(&p, NULL, ","))
208 {
209 hook_data_channel_activity hook_info;
210
f4a80ce6 211 /* JOIN 0 simply parts all channels the user is in */
212 if(*name == '0' && !atoi(name))
213 {
214 if(source_p->user->channel.head == NULL)
215 continue;
216
217 do_join_0(&me, source_p);
218 continue;
219 }
220
212380e3 221 /* look for the channel */
222 if((chptr = find_channel(name)) != NULL)
223 {
224 if(IsMember(source_p, chptr))
225 continue;
226
227 flags = 0;
228 }
229 else
230 {
231 hook_data_client_approval moduledata;
232
233 moduledata.client = source_p;
234 moduledata.approved = 0;
235
236 call_hook(h_can_create_channel, &moduledata);
237
544cde90 238 if(moduledata.approved != 0)
212380e3 239 {
240 sendto_one(source_p, form_str(moduledata.approved),
241 me.name, source_p->name, name);
242 continue;
243 }
244
245 if(splitmode && !IsOper(source_p) && (*name != '&') &&
246 ConfigChannel.no_create_on_split)
247 {
248 sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
249 me.name, source_p->name, name);
250 continue;
251 }
252
253 flags = CHFL_CHANOP;
254 }
255
08d11e34 256 if((rb_dlink_list_length(&source_p->user->channel) >=
212380e3 257 (unsigned long) ConfigChannel.max_chans_per_user) &&
258 (!IsOper(source_p) ||
08d11e34 259 (rb_dlink_list_length(&source_p->user->channel) >=
212380e3 260 (unsigned long) ConfigChannel.max_chans_per_user * 3)))
261 {
262 sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS),
263 me.name, source_p->name, name);
264 if(successful_join_count)
265 source_p->localClient->last_join_time = CurrentTime;
266 return 0;
267 }
268
269 if(flags == 0) /* if channel doesn't exist, don't penalize */
270 successful_join_count++;
271
272 if(chptr == NULL) /* If I already have a chptr, no point doing this */
273 {
274 chptr = get_or_create_channel(source_p, name, NULL);
275
276 if(chptr == NULL)
277 {
278 sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
279 me.name, source_p->name, name);
280 if(successful_join_count > 0)
281 successful_join_count--;
282 continue;
283 }
284 }
285
286 if(!IsOper(source_p) && !IsExemptSpambot(source_p))
287 check_spambot_warning(source_p, name);
288
289 /* can_join checks for +i key, bans etc */
290 if((i = can_join(source_p, chptr, key)))
291 {
292 if ((i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_INVITEONLYCHAN && i != ERR_CHANNELISFULL) ||
293 (!ConfigChannel.use_forward || (chptr = check_forward(source_p, chptr, key)) == NULL))
294 {
295 sendto_one(source_p, form_str(i), me.name, source_p->name, name);
296 if(successful_join_count > 0)
297 successful_join_count--;
298 continue;
299 }
300 sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr->chname);
301 }
302
303 /* add the user to the channel */
304 add_user_to_channel(chptr, source_p, flags);
305 if (chptr->mode.join_num &&
306 CurrentTime - chptr->join_delta >= chptr->mode.join_time)
307 {
308 chptr->join_count = 0;
309 chptr->join_delta = CurrentTime;
310 }
311 chptr->join_count++;
312
313 /* we send the user their join here, because we could have to
314 * send a mode out next.
315 */
316 sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s",
317 source_p->name,
318 source_p->username, source_p->host, chptr->chname);
319
320 /* its a new channel, set +nt and burst. */
321 if(flags & CHFL_CHANOP)
322 {
323 chptr->channelts = CurrentTime;
324 chptr->mode.mode |= MODE_TOPICLIMIT;
325 chptr->mode.mode |= MODE_NOPRIVMSGS;
326
327 sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s +nt",
328 me.name, chptr->chname);
329
330 if(*chptr->chname == '#')
331 {
332 sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
333 ":%s SJOIN %ld %s +nt :@%s",
334 me.id, (long) chptr->channelts,
335 chptr->chname, source_p->id);
336 sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
337 ":%s SJOIN %ld %s +nt :@%s",
338 me.name, (long) chptr->channelts,
339 chptr->chname, source_p->name);
340 }
341 }
342 else
343 {
212380e3 344 sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
bee3b671 345 ":%s JOIN %ld %s +",
212380e3 346 use_id(source_p), (long) chptr->channelts,
bee3b671 347 chptr->chname);
212380e3 348
349 sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
bee3b671 350 ":%s SJOIN %ld %s + :%s",
212380e3 351 me.name, (long) chptr->channelts,
bee3b671 352 chptr->chname, source_p->name);
212380e3 353 }
354
355 del_invite(chptr, source_p);
356
357 if(chptr->topic != NULL)
358 {
359 sendto_one(source_p, form_str(RPL_TOPIC), me.name,
360 source_p->name, chptr->chname, chptr->topic);
361
362 sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
363 me.name, source_p->name, chptr->chname,
364 chptr->topic_info, chptr->topic_time);
365 }
366
367 channel_member_names(chptr, source_p, 1);
368
369 if(successful_join_count)
370 source_p->localClient->last_join_time = CurrentTime;
371
372 hook_info.client = source_p;
373 hook_info.chptr = chptr;
374 hook_info.key = key;
375 call_hook(h_channel_join, &hook_info);
376 }
377
378 return 0;
379}
380
381/*
382 * ms_join
383 *
384 * inputs -
385 * output - none
386 * side effects - handles remote JOIN's sent by servers. In TSora
387 * remote clients are joined using SJOIN, hence a
388 * JOIN sent by a server on behalf of a client is an error.
389 * here, the initial code is in to take an extra parameter
390 * and use it for the TimeStamp on a new channel.
391 */
392static int
393ms_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
394{
395 struct Channel *chptr;
bee3b671 396 static struct Mode mode;
212380e3 397 time_t oldts;
398 time_t newts;
399 int isnew;
212380e3 400 int keep_our_modes = YES;
401 int keep_new_modes = YES;
90a3c35b 402 rb_dlink_node *ptr, *next_ptr;
212380e3 403
f4a80ce6 404 /* special case for join 0 */
405 if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2)
406 {
407 do_join_0(client_p, source_p);
408 return 0;
409 }
410
212380e3 411 if(parc < 4)
412 return 0;
413
414 if(!IsChannelName(parv[2]) || !check_channel_name(parv[2]))
415 return 0;
416
417 /* joins for local channels cant happen. */
418 if(parv[2][0] == '&')
419 return 0;
420
421 mbuf = modebuf;
422 mode.key[0] = mode.forward[0] = '\0';
423 mode.mode = mode.limit = mode.join_num = mode.join_time = 0;
424
212380e3 425 if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL)
426 return 0;
427
428 newts = atol(parv[1]);
429 oldts = chptr->channelts;
212380e3 430
431#ifdef IGNORE_BOGUS_TS
432 if(newts < 800000000)
433 {
434 sendto_realops_snomask(SNO_DEBUG, L_ALL,
435 "*** Bogus TS %ld on %s ignored from %s",
436 (long) newts, chptr->chname, client_p->name);
437 newts = (oldts == 0) ? oldts : 800000000;
438 }
439#else
440 /* making a channel TS0 */
441 if(!isnew && !newts && oldts)
442 {
443 sendto_channel_local(ALL_MEMBERS, chptr,
444 ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0",
445 me.name, chptr->chname, chptr->chname, (long) oldts);
446 sendto_realops_snomask(SNO_GENERAL, L_ALL,
447 "Server %s changing TS on %s from %ld to 0",
448 source_p->name, chptr->chname, (long) oldts);
449 }
450#endif
451
452 if(isnew)
453 chptr->channelts = newts;
454 else if(newts == 0 || oldts == 0)
455 chptr->channelts = 0;
456 else if(newts == oldts)
457 ;
458 else if(newts < oldts)
459 {
460 keep_our_modes = NO;
461 chptr->channelts = newts;
462 }
463 else
464 keep_new_modes = NO;
465
212380e3 466 /* Lost the TS, other side wins, so remove modes on this side */
467 if(!keep_our_modes)
468 {
bee3b671 469 set_final_mode(&mode, &chptr->mode);
470 chptr->mode = mode;
212380e3 471 remove_our_modes(chptr, source_p);
90a3c35b 472 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head)
212380e3 473 {
474 del_invite(chptr, ptr->data);
475 }
bee3b671 476 /* If setting -j, clear join throttle state -- jilles */
477 chptr->join_count = chptr->join_delta = 0;
212380e3 478 sendto_channel_local(ALL_MEMBERS, chptr,
479 ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld",
480 me.name, chptr->chname, chptr->chname,
481 (long) oldts, (long) newts);
1117fbd3 482 /* Update capitalization in channel name, this makes the
483 * capitalization timestamped like modes are -- jilles */
484 strcpy(chptr->chname, parv[2]);
bee3b671 485 if(*modebuf != '\0')
486 sendto_channel_local(ALL_MEMBERS, chptr,
487 ":%s MODE %s %s %s",
488 source_p->servptr->name,
489 chptr->chname, modebuf, parabuf);
490 *modebuf = *parabuf = '\0';
212380e3 491 }
492
212380e3 493 if(!IsMember(source_p, chptr))
494 {
495 add_user_to_channel(chptr, source_p, CHFL_PEON);
496 if (chptr->mode.join_num &&
497 CurrentTime - chptr->join_delta >= chptr->mode.join_time)
498 {
499 chptr->join_count = 0;
500 chptr->join_delta = CurrentTime;
501 }
502 chptr->join_count++;
503 sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s",
504 source_p->name, source_p->username,
505 source_p->host, chptr->chname);
506 }
507
212380e3 508 sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
bee3b671 509 ":%s JOIN %ld %s +",
510 source_p->id, (long) chptr->channelts, chptr->chname);
212380e3 511 sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
512 ":%s SJOIN %ld %s %s :%s",
c88cdb00 513 source_p->servptr->name, (long) chptr->channelts,
bee3b671 514 chptr->chname, keep_new_modes ? "+" : "0",
515 source_p->name);
212380e3 516 return 0;
517}
518
f4a80ce6 519/*
520 * do_join_0
521 *
522 * inputs - pointer to client doing join 0
523 * output - NONE
524 * side effects - Use has decided to join 0. This is legacy
525 * from the days when channels were numbers not names. *sigh*
526 * There is a bunch of evilness necessary here due to
527 * anti spambot code.
528 */
529static void
530do_join_0(struct Client *client_p, struct Client *source_p)
531{
532 struct membership *msptr;
533 struct Channel *chptr = NULL;
08d11e34 534 rb_dlink_node *ptr;
f4a80ce6 535
536 /* Finish the flood grace period... */
537 if(MyClient(source_p) && !IsFloodDone(source_p))
538 flood_endgrace(source_p);
539
540
541 sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p));
542 sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s JOIN 0", source_p->name);
543
544 if(source_p->user->channel.head && MyConnect(source_p) &&
545 !IsOper(source_p) && !IsExemptSpambot(source_p))
546 check_spambot_warning(source_p, NULL);
547
548 while((ptr = source_p->user->channel.head))
549 {
550 msptr = ptr->data;
551 chptr = msptr->chptr;
552 sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s",
553 source_p->name,
554 source_p->username, source_p->host, chptr->chname);
555 remove_user_from_channel(msptr);
556 }
557}
558
212380e3 559static int
560check_channel_name_loc(struct Client *source_p, const char *name)
561{
562 s_assert(name != NULL);
563 if(EmptyString(name))
564 return 0;
565
566 if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p))
567 {
568 for(; *name; ++name)
569 {
570 if(!IsChanChar(*name) || IsFakeChanChar(*name))
571 return 0;
572 }
573 }
574 else
575 {
576 for(; *name; ++name)
577 {
578 if(!IsChanChar(*name))
579 return 0;
580 }
581 }
582
583 return 1;
584}
585
212380e3 586static void
587set_final_mode(struct Mode *mode, struct Mode *oldmode)
588{
589 int dir = MODE_QUERY;
590 char *pbuf = parabuf;
591 int len;
592 int i;
593
594 /* ok, first get a list of modes we need to add */
2a719c44 595 for(i = 0; chmode_flags[i].letter; i++)
212380e3 596 {
2a719c44 597 if((mode->mode & chmode_flags[i].mode) && !(oldmode->mode & chmode_flags[i].mode))
212380e3 598 {
599 if(dir != MODE_ADD)
600 {
601 *mbuf++ = '+';
602 dir = MODE_ADD;
603 }
2a719c44 604 *mbuf++ = chmode_flags[i].letter;
212380e3 605 }
606 }
607
608 /* now the ones we need to remove. */
2a719c44 609 for(i = 0; chmode_flags[i].letter; i++)
212380e3 610 {
2a719c44 611 if((oldmode->mode & chmode_flags[i].mode) && !(mode->mode & chmode_flags[i].mode))
212380e3 612 {
613 if(dir != MODE_DEL)
614 {
615 *mbuf++ = '-';
616 dir = MODE_DEL;
617 }
2a719c44 618 *mbuf++ = chmode_flags[i].letter;
212380e3 619 }
620 }
621
622 if(oldmode->limit && !mode->limit)
623 {
624 if(dir != MODE_DEL)
625 {
626 *mbuf++ = '-';
627 dir = MODE_DEL;
628 }
629 *mbuf++ = 'l';
630 }
631 if(oldmode->key[0] && !mode->key[0])
632 {
633 if(dir != MODE_DEL)
634 {
635 *mbuf++ = '-';
636 dir = MODE_DEL;
637 }
638 *mbuf++ = 'k';
581fa5c4 639 len = rb_sprintf(pbuf, "%s ", oldmode->key);
212380e3 640 pbuf += len;
641 }
642 if(oldmode->join_num && !mode->join_num)
643 {
644 if(dir != MODE_DEL)
645 {
646 *mbuf++ = '-';
647 dir = MODE_DEL;
648 }
649 *mbuf++ = 'j';
650 }
651 if(oldmode->forward[0] && !mode->forward[0])
652 {
653 if(dir != MODE_DEL)
654 {
655 *mbuf++ = '-';
656 dir = MODE_DEL;
657 }
658 *mbuf++ = 'f';
659 }
660 if(mode->limit && oldmode->limit != mode->limit)
661 {
662 if(dir != MODE_ADD)
663 {
664 *mbuf++ = '+';
665 dir = MODE_ADD;
666 }
667 *mbuf++ = 'l';
581fa5c4 668 len = rb_sprintf(pbuf, "%d ", mode->limit);
212380e3 669 pbuf += len;
670 }
671 if(mode->key[0] && strcmp(oldmode->key, mode->key))
672 {
673 if(dir != MODE_ADD)
674 {
675 *mbuf++ = '+';
676 dir = MODE_ADD;
677 }
678 *mbuf++ = 'k';
581fa5c4 679 len = rb_sprintf(pbuf, "%s ", mode->key);
212380e3 680 pbuf += len;
681 }
682 if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time))
683 {
684 if(dir != MODE_ADD)
685 {
686 *mbuf++ = '+';
687 dir = MODE_ADD;
688 }
689 *mbuf++ = 'j';
581fa5c4 690 len = rb_sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time);
212380e3 691 pbuf += len;
692 }
693 if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) && ConfigChannel.use_forward)
694 {
695 if(dir != MODE_ADD)
696 {
697 *mbuf++ = '+';
698 dir = MODE_ADD;
699 }
700 *mbuf++ = 'f';
581fa5c4 701 len = rb_sprintf(pbuf, "%s ", mode->forward);
212380e3 702 pbuf += len;
703 }
704 *mbuf = '\0';
705}
706
707/*
708 * remove_our_modes
709 *
710 * inputs -
711 * output -
712 * side effects -
713 */
714static void
715remove_our_modes(struct Channel *chptr, struct Client *source_p)
716{
717 struct membership *msptr;
08d11e34 718 rb_dlink_node *ptr;
212380e3 719 char lmodebuf[MODEBUFLEN];
720 char *lpara[MAXMODEPARAMS];
721 int count = 0;
722 int i;
723
724 mbuf = lmodebuf;
725 *mbuf++ = '-';
726
727 for(i = 0; i < MAXMODEPARAMS; i++)
728 lpara[i] = NULL;
729
08d11e34 730 RB_DLINK_FOREACH(ptr, chptr->members.head)
212380e3 731 {
732 msptr = ptr->data;
733
734 if(is_chanop(msptr))
735 {
736 msptr->flags &= ~CHFL_CHANOP;
737 lpara[count++] = msptr->client_p->name;
738 *mbuf++ = 'o';
739
740 /* +ov, might not fit so check. */
741 if(is_voiced(msptr))
742 {
743 if(count >= MAXMODEPARAMS)
744 {
745 *mbuf = '\0';
746 sendto_channel_local(ALL_MEMBERS, chptr,
747 ":%s MODE %s %s %s %s %s %s",
748 me.name, chptr->chname,
749 lmodebuf, lpara[0], lpara[1],
750 lpara[2], lpara[3]);
751
752 /* preserve the initial '-' */
753 mbuf = lmodebuf;
754 *mbuf++ = '-';
755 count = 0;
756
757 for(i = 0; i < MAXMODEPARAMS; i++)
758 lpara[i] = NULL;
759 }
760
761 msptr->flags &= ~CHFL_VOICE;
762 lpara[count++] = msptr->client_p->name;
763 *mbuf++ = 'v';
764 }
765 }
766 else if(is_voiced(msptr))
767 {
768 msptr->flags &= ~CHFL_VOICE;
769 lpara[count++] = msptr->client_p->name;
770 *mbuf++ = 'v';
771 }
772 else
773 continue;
774
775 if(count >= MAXMODEPARAMS)
776 {
777 *mbuf = '\0';
778 sendto_channel_local(ALL_MEMBERS, chptr,
779 ":%s MODE %s %s %s %s %s %s",
780 me.name, chptr->chname, lmodebuf,
781 lpara[0], lpara[1], lpara[2], lpara[3]);
782 mbuf = lmodebuf;
783 *mbuf++ = '-';
784 count = 0;
785
786 for(i = 0; i < MAXMODEPARAMS; i++)
787 lpara[i] = NULL;
788 }
789 }
790
791 if(count != 0)
792 {
793 *mbuf = '\0';
794 sendto_channel_local(ALL_MEMBERS, chptr,
795 ":%s MODE %s %s %s %s %s %s",
796 me.name, chptr->chname, lmodebuf,
797 EmptyString(lpara[0]) ? "" : lpara[0],
798 EmptyString(lpara[1]) ? "" : lpara[1],
799 EmptyString(lpara[2]) ? "" : lpara[2],
800 EmptyString(lpara[3]) ? "" : lpara[3]);
801
802 }
803}
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