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[svn] Port over ratbox 2.2 r23507, r23624, r23626 (jilles/anfl):
[irc/rqf/shadowircd.git] / src / chmode.c
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212380e3 1/*
2 * charybdis: A slightly useful ircd.
3 * chmode.c: channel mode management
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 * Copyright (C) 2005-2006 charybdis development team
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24 *
5366977b 25 * $Id: chmode.c 3161 2007-01-25 07:23:01Z nenolod $
212380e3 26 */
27
28#include "stdinc.h"
29#include "tools.h"
30#include "channel.h"
31#include "client.h"
32#include "common.h"
33#include "hash.h"
34#include "hook.h"
35#include "irc_string.h"
36#include "sprintf_irc.h"
37#include "ircd.h"
38#include "numeric.h"
39#include "s_serv.h" /* captab */
40#include "s_user.h"
41#include "send.h"
42#include "whowas.h"
43#include "s_conf.h" /* ConfigFileEntry, ConfigChannel */
44#include "s_newconf.h"
45#include "event.h"
46#include "memory.h"
47#include "balloc.h"
48#include "s_log.h"
49
50/* bitmasks for error returns, so we send once per call */
51#define SM_ERR_NOTS 0x00000001 /* No TS on channel */
52#define SM_ERR_NOOPS 0x00000002 /* No chan ops */
53#define SM_ERR_UNKNOWN 0x00000004
54#define SM_ERR_RPL_C 0x00000008
55#define SM_ERR_RPL_B 0x00000010
56#define SM_ERR_RPL_E 0x00000020
57#define SM_ERR_NOTONCHANNEL 0x00000040 /* Not on channel */
58#define SM_ERR_RPL_I 0x00000100
59#define SM_ERR_RPL_D 0x00000200
60#define SM_ERR_NOPRIVS 0x00000400
61#define SM_ERR_RPL_Q 0x00000800
62#define SM_ERR_RPL_F 0x00001000
63
64void set_channel_mode(struct Client *, struct Client *,
65 struct Channel *, struct membership *, int, const char **);
66
67int add_id(struct Client *source_p, struct Channel *chptr,
68 const char *banid, dlink_list * list, long mode_type);
69
70static struct ChModeChange mode_changes[BUFSIZE];
71static int mode_count;
72static int mode_limit;
73static int mask_pos;
74
75int
76get_channel_access(struct Client *source_p, struct membership *msptr)
77{
78 if(!MyClient(source_p) || is_chanop(msptr))
79 return CHFL_CHANOP;
80
81 return CHFL_PEON;
82}
83
84/* add_id()
85 *
86 * inputs - client, channel, id to add, type
87 * outputs - 0 on failure, 1 on success
88 * side effects - given id is added to the appropriate list
89 */
90int
91add_id(struct Client *source_p, struct Channel *chptr, const char *banid,
92 dlink_list * list, long mode_type)
93{
94 struct Ban *actualBan;
95 static char who[BANLEN];
96 char *realban = LOCAL_COPY(banid);
97 dlink_node *ptr;
98
99 /* dont let local clients overflow the banlist, or set redundant
100 * bans
101 */
102 if(MyClient(source_p))
103 {
104 if((dlink_list_length(&chptr->banlist) + dlink_list_length(&chptr->exceptlist) + dlink_list_length(&chptr->invexlist) + dlink_list_length(&chptr->quietlist)) >= (chptr->mode.mode & MODE_EXLIMIT ? ConfigChannel.max_bans_large : ConfigChannel.max_bans))
105 {
106 sendto_one(source_p, form_str(ERR_BANLISTFULL),
107 me.name, source_p->name, chptr->chname, realban);
108 return 0;
109 }
110
111 collapse(realban);
112
113 DLINK_FOREACH(ptr, list->head)
114 {
115 actualBan = ptr->data;
116 if(match(actualBan->banstr, realban))
117 return 0;
118 }
119 }
120 /* dont let remotes set duplicates */
121 else
122 {
123 DLINK_FOREACH(ptr, list->head)
124 {
125 actualBan = ptr->data;
126 if(!irccmp(actualBan->banstr, realban))
127 return 0;
128 }
129 }
130
131
132 if(IsPerson(source_p))
133 ircsprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
134 else
135 strlcpy(who, source_p->name, sizeof(who));
136
137 actualBan = allocate_ban(realban, who);
138 actualBan->when = CurrentTime;
139
140 dlinkAdd(actualBan, &actualBan->node, list);
141
142 /* invalidate the can_send() cache */
143 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
144 chptr->bants++;
145
146 return 1;
147}
148
149/* del_id()
150 *
151 * inputs - channel, id to remove, type
152 * outputs - 0 on failure, 1 on success
153 * side effects - given id is removed from the appropriate list
154 */
155int
156del_id(struct Channel *chptr, const char *banid, dlink_list * list, long mode_type)
157{
158 dlink_node *ptr;
159 struct Ban *banptr;
160
161 if(EmptyString(banid))
162 return 0;
163
164 DLINK_FOREACH(ptr, list->head)
165 {
166 banptr = ptr->data;
167
168 if(irccmp(banid, banptr->banstr) == 0)
169 {
170 dlinkDelete(&banptr->node, list);
171 free_ban(banptr);
172
173 /* invalidate the can_send() cache */
174 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
175 chptr->bants++;
176
177 return 1;
178 }
179 }
180
181 return 0;
182}
183
184/* check_string()
185 *
186 * input - string to check
187 * output - pointer to 'fixed' string, or "*" if empty
188 * side effects - any white space found becomes \0
189 */
190static char *
191check_string(char *s)
192{
193 char *str = s;
194 static char splat[] = "*";
195 if(!(s && *s))
196 return splat;
197
198 for(; *s; ++s)
199 {
200 if(IsSpace(*s))
201 {
202 *s = '\0';
203 break;
204 }
205 }
206 return str;
207}
208
209/* pretty_mask()
210 *
211 * inputs - mask to pretty
212 * outputs - better version of the mask
213 * side effects - mask is chopped to limits, and transformed:
214 * x!y@z => x!y@z
215 * y@z => *!y@z
216 * x!y => x!y@*
217 * x => x!*@*
218 * z.d => *!*@z.d
219 */
220static char *
221pretty_mask(const char *idmask)
222{
223 static char mask_buf[BUFSIZE];
224 int old_mask_pos;
225 char *nick, *user, *host;
226 char splat[] = "*";
227 char *t, *at, *ex;
228 char ne = 0, ue = 0, he = 0; /* save values at nick[NICKLEN], et all */
229 char *mask;
230
231 mask = LOCAL_COPY(idmask);
232 mask = check_string(mask);
233 collapse(mask);
234
235 nick = user = host = splat;
236
237 if((size_t) BUFSIZE - mask_pos < strlen(mask) + 5)
238 return NULL;
239
240 old_mask_pos = mask_pos;
241
242 if (*mask == '$')
243 {
244 mask_pos += ircsprintf(mask_buf + mask_pos, "%s", mask) + 1;
245 t = mask_buf + old_mask_pos + 1;
246 if (*t == '!')
247 *t = '~';
248 if (*t == '~')
249 t++;
250 *t = ToLower(*t);
251 return mask_buf + old_mask_pos;
252 }
253
254 at = ex = NULL;
255 if((t = strchr(mask, '@')) != NULL)
256 {
257 at = t;
258 *t++ = '\0';
259 if(*t != '\0')
260 host = t;
261
262 if((t = strchr(mask, '!')) != NULL)
263 {
264 ex = t;
265 *t++ = '\0';
266 if(*t != '\0')
267 user = t;
268 if(*mask != '\0')
269 nick = mask;
270 }
271 else
272 {
273 if(*mask != '\0')
274 user = mask;
275 }
276 }
277 else if((t = strchr(mask, '!')) != NULL)
278 {
279 ex = t;
280 *t++ = '\0';
281 if(*mask != '\0')
282 nick = mask;
283 if(*t != '\0')
284 user = t;
285 }
286 else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL)
287 {
288 if(*mask != '\0')
289 host = mask;
290 }
291 else
292 {
293 if(*mask != '\0')
294 nick = mask;
295 }
296
297 /* truncate values to max lengths */
298 if(strlen(nick) > NICKLEN - 1)
299 {
300 ne = nick[NICKLEN - 1];
301 nick[NICKLEN - 1] = '\0';
302 }
303 if(strlen(user) > USERLEN)
304 {
305 ue = user[USERLEN];
306 user[USERLEN] = '\0';
307 }
308 if(strlen(host) > HOSTLEN)
309 {
310 he = host[HOSTLEN];
311 host[HOSTLEN] = '\0';
312 }
313
314 mask_pos += ircsprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
315
316 /* restore mask, since we may need to use it again later */
317 if(at)
318 *at = '@';
319 if(ex)
320 *ex = '!';
321 if(ne)
322 nick[NICKLEN - 1] = ne;
323 if(ue)
324 user[USERLEN] = ue;
325 if(he)
326 host[HOSTLEN] = he;
327
328 return mask_buf + old_mask_pos;
329}
330
331/* fix_key()
332 *
333 * input - key to fix
334 * output - the same key, fixed
335 * side effects - anything below ascii 13 is discarded, ':' discarded,
336 * high ascii is dropped to lower half of ascii table
337 */
338static char *
339fix_key(char *arg)
340{
341 u_char *s, *t, c;
342
343 for(s = t = (u_char *) arg; (c = *s); s++)
344 {
345 c &= 0x7f;
346 if(c != ':' && c != ',' && c > ' ')
347 *t++ = c;
348 }
349
350 *t = '\0';
351 return arg;
352}
353
354/* fix_key_remote()
355 *
356 * input - key to fix
357 * ouput - the same key, fixed
358 * side effects - high ascii dropped to lower half of table,
359 * CR/LF/':' are dropped
360 */
361static char *
362fix_key_remote(char *arg)
363{
364 u_char *s, *t, c;
365
366 for(s = t = (u_char *) arg; (c = *s); s++)
367 {
368 c &= 0x7f;
369 if((c != 0x0a) && (c != ':') && (c != ',') && (c != 0x0d) && (c != ' '))
370 *t++ = c;
371 }
372
373 *t = '\0';
374 return arg;
375}
376
377/* chm_*()
378 *
379 * The handlers for each specific mode.
380 */
381void
382chm_nosuch(struct Client *source_p, struct Channel *chptr,
383 int alevel, int parc, int *parn,
384 const char **parv, int *errors, int dir, char c, long mode_type)
385{
386 if(*errors & SM_ERR_UNKNOWN)
387 return;
388 *errors |= SM_ERR_UNKNOWN;
389 sendto_one(source_p, form_str(ERR_UNKNOWNMODE), me.name, source_p->name, c);
390}
391
392void
393chm_simple(struct Client *source_p, struct Channel *chptr,
394 int alevel, int parc, int *parn,
395 const char **parv, int *errors, int dir, char c, long mode_type)
396{
397 if(alevel != CHFL_CHANOP)
398 {
399 if(!(*errors & SM_ERR_NOOPS))
400 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
401 me.name, source_p->name, chptr->chname);
402 *errors |= SM_ERR_NOOPS;
403 return;
404 }
405
406 /* +ntspmaikl == 9 + MAXMODEPARAMS (4 * +o) */
407 if(MyClient(source_p) && (++mode_limit > (9 + MAXMODEPARAMS)))
408 return;
409
410 /* setting + */
411 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
412 {
413 /* if +f is disabled, ignore an attempt to set +QF locally */
414 if(!ConfigChannel.use_forward && MyClient(source_p) &&
415 (c == 'Q' || c == 'F'))
416 return;
417
418 chptr->mode.mode |= mode_type;
419
420 mode_changes[mode_count].letter = c;
421 mode_changes[mode_count].dir = MODE_ADD;
422 mode_changes[mode_count].caps = 0;
423 mode_changes[mode_count].nocaps = 0;
424 mode_changes[mode_count].id = NULL;
425 mode_changes[mode_count].mems = ALL_MEMBERS;
426 mode_changes[mode_count++].arg = NULL;
427 }
428 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
429 {
430 chptr->mode.mode &= ~mode_type;
431
432 mode_changes[mode_count].letter = c;
433 mode_changes[mode_count].dir = MODE_DEL;
434 mode_changes[mode_count].caps = 0;
435 mode_changes[mode_count].nocaps = 0;
436 mode_changes[mode_count].mems = ALL_MEMBERS;
437 mode_changes[mode_count].id = NULL;
438 mode_changes[mode_count++].arg = NULL;
439 }
440}
441
442void
443chm_staff(struct Client *source_p, struct Channel *chptr,
444 int alevel, int parc, int *parn,
445 const char **parv, int *errors, int dir, char c, long mode_type)
446{
447 if(!IsOper(source_p) && !IsServer(source_p))
448 {
449 if(!(*errors & SM_ERR_NOPRIVS))
450 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
451 *errors |= SM_ERR_NOPRIVS;
452 return;
453 }
454
455 /* setting + */
456 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
457 {
458 chptr->mode.mode |= mode_type;
459
460 mode_changes[mode_count].letter = c;
461 mode_changes[mode_count].dir = MODE_ADD;
462 mode_changes[mode_count].caps = 0;
463 mode_changes[mode_count].nocaps = 0;
464 mode_changes[mode_count].id = NULL;
465 mode_changes[mode_count].mems = ALL_MEMBERS;
466 mode_changes[mode_count++].arg = NULL;
467 }
468 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
469 {
470 chptr->mode.mode &= ~mode_type;
471
472 mode_changes[mode_count].letter = c;
473 mode_changes[mode_count].dir = MODE_DEL;
474 mode_changes[mode_count].caps = 0;
475 mode_changes[mode_count].nocaps = 0;
476 mode_changes[mode_count].mems = ALL_MEMBERS;
477 mode_changes[mode_count].id = NULL;
478 mode_changes[mode_count++].arg = NULL;
479 }
480}
481
482void
483chm_ban(struct Client *source_p, struct Channel *chptr,
484 int alevel, int parc, int *parn,
485 const char **parv, int *errors, int dir, char c, long mode_type)
486{
487 const char *mask;
488 const char *raw_mask;
489 dlink_list *list;
490 dlink_node *ptr;
491 struct Ban *banptr;
492 int errorval;
493 int rpl_list;
494 int rpl_endlist;
495 int caps;
496 int mems;
497
498 switch (mode_type)
499 {
500 case CHFL_BAN:
501 list = &chptr->banlist;
502 errorval = SM_ERR_RPL_B;
503 rpl_list = RPL_BANLIST;
504 rpl_endlist = RPL_ENDOFBANLIST;
505 mems = ALL_MEMBERS;
506 caps = 0;
507 break;
508
509 case CHFL_EXCEPTION:
510 /* if +e is disabled, allow all but +e locally */
511 if(!ConfigChannel.use_except && MyClient(source_p) &&
512 ((dir == MODE_ADD) && (parc > *parn)))
513 return;
514
515 list = &chptr->exceptlist;
516 errorval = SM_ERR_RPL_E;
517 rpl_list = RPL_EXCEPTLIST;
518 rpl_endlist = RPL_ENDOFEXCEPTLIST;
519 caps = CAP_EX;
520
521 if(ConfigChannel.use_except || (dir == MODE_DEL))
522 mems = ONLY_CHANOPS;
523 else
524 mems = ONLY_SERVERS;
525 break;
526
527 case CHFL_INVEX:
528 /* if +I is disabled, allow all but +I locally */
529 if(!ConfigChannel.use_invex && MyClient(source_p) &&
530 (dir == MODE_ADD) && (parc > *parn))
531 return;
532
533 list = &chptr->invexlist;
534 errorval = SM_ERR_RPL_I;
535 rpl_list = RPL_INVITELIST;
536 rpl_endlist = RPL_ENDOFINVITELIST;
537 caps = CAP_IE;
538
539 if(ConfigChannel.use_invex || (dir == MODE_DEL))
540 mems = ONLY_CHANOPS;
541 else
542 mems = ONLY_SERVERS;
543 break;
544
545 case CHFL_QUIET:
546 list = &chptr->quietlist;
547 errorval = SM_ERR_RPL_Q;
548 rpl_list = RPL_BANLIST;
549 rpl_endlist = RPL_ENDOFBANLIST;
550 mems = ALL_MEMBERS;
551 caps = 0;
552 break;
553
554 default:
555 sendto_realops_snomask(SNO_GENERAL, L_ALL, "chm_ban() called with unknown type!");
556 return;
557 break;
558 }
559
560 if(dir == 0 || parc <= *parn)
561 {
562 if((*errors & errorval) != 0)
563 return;
564 *errors |= errorval;
565
566 /* non-ops cant see +eI lists.. */
567 if(alevel != CHFL_CHANOP && mode_type != CHFL_BAN &&
568 mode_type != CHFL_QUIET)
569 {
570 if(!(*errors & SM_ERR_NOOPS))
571 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
572 me.name, source_p->name, chptr->chname);
573 *errors |= SM_ERR_NOOPS;
574 return;
575 }
576
577 DLINK_FOREACH(ptr, list->head)
578 {
579 banptr = ptr->data;
580 sendto_one(source_p, form_str(rpl_list),
581 me.name, source_p->name, chptr->chname,
582 banptr->banstr, banptr->who, banptr->when);
583 }
584 sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
585 return;
586 }
587
588 if(alevel != CHFL_CHANOP)
589 {
590 if(!(*errors & SM_ERR_NOOPS))
591 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
592 me.name, source_p->name, chptr->chname);
593 *errors |= SM_ERR_NOOPS;
594 return;
595 }
596
597 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
598 return;
599
600 raw_mask = parv[(*parn)];
601 (*parn)++;
602
603 /* empty ban, or starts with ':' which messes up s2s, ignore it */
604 if(EmptyString(raw_mask) || *raw_mask == ':')
605 return;
606
607 if(!MyClient(source_p))
608 {
609 if(strchr(raw_mask, ' '))
610 return;
611
612 mask = raw_mask;
613 }
614 else
615 mask = pretty_mask(raw_mask);
616
617 /* we'd have problems parsing this, hyb6 does it too */
618 if(strlen(mask) > (MODEBUFLEN - 2))
619 return;
620
621 /* if we're adding a NEW id */
622 if(dir == MODE_ADD)
623 {
624 if (*mask == '$' && MyClient(source_p))
625 {
626 if (!valid_extban(mask, source_p, chptr, mode_type))
627 /* XXX perhaps return an error message here */
628 return;
629 }
630
631 /* dont allow local clients to overflow the banlist, dont
632 * let remote servers set duplicate bans
633 */
634 if(!add_id(source_p, chptr, mask, list, mode_type))
635 return;
636
637 mode_changes[mode_count].letter = c;
638 mode_changes[mode_count].dir = MODE_ADD;
639 mode_changes[mode_count].caps = caps;
640 mode_changes[mode_count].nocaps = 0;
641 mode_changes[mode_count].mems = mems;
642 mode_changes[mode_count].id = NULL;
643 mode_changes[mode_count++].arg = mask;
644 }
645 else if(dir == MODE_DEL)
646 {
647 if(del_id(chptr, mask, list, mode_type) == 0)
648 {
649 /* mask isn't a valid ban, check raw_mask */
650 if(del_id(chptr, raw_mask, list, mode_type))
651 mask = raw_mask;
652 }
653
654 mode_changes[mode_count].letter = c;
655 mode_changes[mode_count].dir = MODE_DEL;
656 mode_changes[mode_count].caps = caps;
657 mode_changes[mode_count].nocaps = 0;
658 mode_changes[mode_count].mems = mems;
659 mode_changes[mode_count].id = NULL;
660 mode_changes[mode_count++].arg = mask;
661 }
662}
663
664void
665chm_op(struct Client *source_p, struct Channel *chptr,
666 int alevel, int parc, int *parn,
667 const char **parv, int *errors, int dir, char c, long mode_type)
668{
669 struct membership *mstptr;
670 const char *opnick;
671 struct Client *targ_p;
672
673 if(alevel != CHFL_CHANOP)
674 {
675 if(!(*errors & SM_ERR_NOOPS))
676 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
677 me.name, source_p->name, chptr->chname);
678 *errors |= SM_ERR_NOOPS;
679 return;
680 }
681
682 if((dir == MODE_QUERY) || (parc <= *parn))
683 return;
684
685 opnick = parv[(*parn)];
686 (*parn)++;
687
688 /* empty nick */
689 if(EmptyString(opnick))
690 {
691 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
692 return;
693 }
694
695 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
696 {
697 return;
698 }
699
700 mstptr = find_channel_membership(chptr, targ_p);
701
702 if(mstptr == NULL)
703 {
704 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
705 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
706 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
707 *errors |= SM_ERR_NOTONCHANNEL;
708 return;
709 }
710
711 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
712 return;
713
714 if(dir == MODE_ADD)
715 {
716 if(targ_p == source_p)
717 return;
718
719 mode_changes[mode_count].letter = c;
720 mode_changes[mode_count].dir = MODE_ADD;
721 mode_changes[mode_count].caps = 0;
722 mode_changes[mode_count].nocaps = 0;
723 mode_changes[mode_count].mems = ALL_MEMBERS;
724 mode_changes[mode_count].id = targ_p->id;
725 mode_changes[mode_count].arg = targ_p->name;
726 mode_changes[mode_count++].client = targ_p;
727
728 mstptr->flags |= CHFL_CHANOP;
729 mstptr->flags &= ~CHFL_DEOPPED;
730 }
731 else
732 {
733 if(MyClient(source_p) && IsService(targ_p))
734 {
735 sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
736 me.name, source_p->name, targ_p->name, chptr->chname);
737 return;
738 }
739
740 mode_changes[mode_count].letter = c;
741 mode_changes[mode_count].dir = MODE_DEL;
742 mode_changes[mode_count].caps = 0;
743 mode_changes[mode_count].nocaps = 0;
744 mode_changes[mode_count].mems = ALL_MEMBERS;
745 mode_changes[mode_count].id = targ_p->id;
746 mode_changes[mode_count].arg = targ_p->name;
747 mode_changes[mode_count++].client = targ_p;
748
749 mstptr->flags &= ~CHFL_CHANOP;
750 }
751}
752
753void
754chm_voice(struct Client *source_p, struct Channel *chptr,
755 int alevel, int parc, int *parn,
756 const char **parv, int *errors, int dir, char c, long mode_type)
757{
758 struct membership *mstptr;
759 const char *opnick;
760 struct Client *targ_p;
761
762 if(alevel != CHFL_CHANOP)
763 {
764 if(!(*errors & SM_ERR_NOOPS))
765 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
766 me.name, source_p->name, chptr->chname);
767 *errors |= SM_ERR_NOOPS;
768 return;
769 }
770
771 if((dir == MODE_QUERY) || parc <= *parn)
772 return;
773
774 opnick = parv[(*parn)];
775 (*parn)++;
776
777 /* empty nick */
778 if(EmptyString(opnick))
779 {
780 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
781 return;
782 }
783
784 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
785 {
786 return;
787 }
788
789 mstptr = find_channel_membership(chptr, targ_p);
790
791 if(mstptr == NULL)
792 {
793 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
794 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
795 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
796 *errors |= SM_ERR_NOTONCHANNEL;
797 return;
798 }
799
800 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
801 return;
802
803 if(dir == MODE_ADD)
804 {
805 mode_changes[mode_count].letter = c;
806 mode_changes[mode_count].dir = MODE_ADD;
807 mode_changes[mode_count].caps = 0;
808 mode_changes[mode_count].nocaps = 0;
809 mode_changes[mode_count].mems = ALL_MEMBERS;
810 mode_changes[mode_count].id = targ_p->id;
811 mode_changes[mode_count].arg = targ_p->name;
812 mode_changes[mode_count++].client = targ_p;
813
814 mstptr->flags |= CHFL_VOICE;
815 }
816 else
817 {
818 mode_changes[mode_count].letter = 'v';
819 mode_changes[mode_count].dir = MODE_DEL;
820 mode_changes[mode_count].caps = 0;
821 mode_changes[mode_count].nocaps = 0;
822 mode_changes[mode_count].mems = ALL_MEMBERS;
823 mode_changes[mode_count].id = targ_p->id;
824 mode_changes[mode_count].arg = targ_p->name;
825 mode_changes[mode_count++].client = targ_p;
826
827 mstptr->flags &= ~CHFL_VOICE;
828 }
829}
830
831void
832chm_limit(struct Client *source_p, struct Channel *chptr,
833 int alevel, int parc, int *parn,
834 const char **parv, int *errors, int dir, char c, long mode_type)
835{
836 const char *lstr;
837 static char limitstr[30];
838 int limit;
839
840 if(alevel != CHFL_CHANOP)
841 {
842 if(!(*errors & SM_ERR_NOOPS))
843 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
844 me.name, source_p->name, chptr->chname);
845 *errors |= SM_ERR_NOOPS;
846 return;
847 }
848
849 if(dir == MODE_QUERY)
850 return;
851
852 if((dir == MODE_ADD) && parc > *parn)
853 {
854 lstr = parv[(*parn)];
855 (*parn)++;
856
857 if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
858 return;
859
860 ircsprintf(limitstr, "%d", limit);
861
862 mode_changes[mode_count].letter = c;
863 mode_changes[mode_count].dir = MODE_ADD;
864 mode_changes[mode_count].caps = 0;
865 mode_changes[mode_count].nocaps = 0;
866 mode_changes[mode_count].mems = ALL_MEMBERS;
867 mode_changes[mode_count].id = NULL;
868 mode_changes[mode_count++].arg = limitstr;
869
870 chptr->mode.limit = limit;
871 }
872 else if(dir == MODE_DEL)
873 {
874 if(!chptr->mode.limit)
875 return;
876
877 chptr->mode.limit = 0;
878
879 mode_changes[mode_count].letter = c;
880 mode_changes[mode_count].dir = MODE_DEL;
881 mode_changes[mode_count].caps = 0;
882 mode_changes[mode_count].nocaps = 0;
883 mode_changes[mode_count].mems = ALL_MEMBERS;
884 mode_changes[mode_count].id = NULL;
885 mode_changes[mode_count++].arg = NULL;
886 }
887}
888
889void
890chm_throttle(struct Client *source_p, struct Channel *chptr,
891 int alevel, int parc, int *parn,
892 const char **parv, int *errors, int dir, char c, long mode_type)
893{
894 int joins = 0, timeslice = 0;
895
896 if(alevel != CHFL_CHANOP)
897 {
898 if(!(*errors & SM_ERR_NOOPS))
899 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
900 me.name, source_p->name, chptr->chname);
901 *errors |= SM_ERR_NOOPS;
902 return;
903 }
904
905 if(dir == MODE_QUERY)
906 return;
907
908 if((dir == MODE_ADD) && parc > *parn)
909 {
910 sscanf(parv[(*parn)], "%d:%d", &joins, &timeslice);
911
912 if(!joins || !timeslice)
913 return;
914
915 mode_changes[mode_count].letter = c;
916 mode_changes[mode_count].dir = MODE_ADD;
917 mode_changes[mode_count].caps = 0;
918 mode_changes[mode_count].nocaps = 0;
919 mode_changes[mode_count].mems = ALL_MEMBERS;
920 mode_changes[mode_count].id = NULL;
921 mode_changes[mode_count++].arg = parv[(*parn)];
922
923 (*parn)++;
924
925 chptr->mode.join_num = joins;
926 chptr->mode.join_time = timeslice;
927 }
928 else if(dir == MODE_DEL)
929 {
930 if(!chptr->mode.join_num)
931 return;
932
933 chptr->mode.join_num = 0;
934 chptr->mode.join_time = 0;
935 chptr->join_count = 0;
936 chptr->join_delta = 0;
937
938 mode_changes[mode_count].letter = c;
939 mode_changes[mode_count].dir = MODE_DEL;
940 mode_changes[mode_count].caps = 0;
941 mode_changes[mode_count].nocaps = 0;
942 mode_changes[mode_count].mems = ALL_MEMBERS;
943 mode_changes[mode_count].id = NULL;
944 mode_changes[mode_count++].arg = NULL;
945 }
946}
947
948void
949chm_forward(struct Client *source_p, struct Channel *chptr,
950 int alevel, int parc, int *parn,
951 const char **parv, int *errors, int dir, char c, long mode_type)
952{
953 struct Channel *targptr = NULL;
954 struct membership *msptr;
955 const char *forward;
956
957 /* if +f is disabled, ignore local attempts to set it */
958 if(!ConfigChannel.use_forward && MyClient(source_p) &&
959 (dir == MODE_ADD) && (parc > *parn))
960 return;
961
962 if(dir == MODE_QUERY || (dir == MODE_ADD && parc <= *parn))
963 {
964 if (!(*errors & SM_ERR_RPL_F))
965 {
966 if (*chptr->mode.forward == '\0')
5366977b 967 sendto_one_notice(source_p, ":%s has no forward channel", chptr->chname);
212380e3 968 else
5366977b 969 sendto_one_notice(source_p, ":%s forward channel is %s", chptr->chname, chptr->mode.forward);
212380e3 970 *errors |= SM_ERR_RPL_F;
971 }
972 return;
973 }
974
975#ifndef FORWARD_OPERONLY
976 if(alevel != CHFL_CHANOP)
977 {
978 if(!(*errors & SM_ERR_NOOPS))
979 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
980 me.name, source_p->name, chptr->chname);
981 *errors |= SM_ERR_NOOPS;
982 return;
983 }
984#else
985 if(!IsOper(source_p) && !IsServer(source_p))
986 {
987 if(!(*errors & SM_ERR_NOPRIVS))
988 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
989 *errors |= SM_ERR_NOPRIVS;
990 return;
991 }
992#endif
993
994 if(dir == MODE_ADD && parc > *parn)
995 {
996 forward = parv[(*parn)];
997 (*parn)++;
998
999 if(EmptyString(forward))
1000 return;
1001 if(!check_channel_name(forward) ||
1002 (MyClient(source_p) && (strlen(forward) > LOC_CHANNELLEN || hash_find_resv(forward))))
1003 {
1004 sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), forward);
1005 return;
1006 }
1007 /* don't forward to inconsistent target -- jilles */
1008 if(chptr->chname[0] == '#' && forward[0] == '&')
1009 {
1010 sendto_one_numeric(source_p, ERR_BADCHANNAME,
1011 form_str(ERR_BADCHANNAME), forward);
1012 return;
1013 }
1014 if(MyClient(source_p) && (targptr = find_channel(forward)) == NULL)
1015 {
1016 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
1017 form_str(ERR_NOSUCHCHANNEL), forward);
1018 return;
1019 }
1020 if(MyClient(source_p) && !(targptr->mode.mode & MODE_FREETARGET))
1021 {
1022 if((msptr = find_channel_membership(targptr, source_p)) == NULL ||
1023 get_channel_access(source_p, msptr) != CHFL_CHANOP)
1024 {
1025 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1026 me.name, source_p->name, targptr->chname);
1027 return;
1028 }
1029 }
1030
1031 strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
1032
1033 mode_changes[mode_count].letter = c;
1034 mode_changes[mode_count].dir = MODE_ADD;
1035 mode_changes[mode_count].caps = 0;
1036 mode_changes[mode_count].nocaps = 0;
1037 mode_changes[mode_count].mems = ConfigChannel.use_forward ? ALL_MEMBERS : ONLY_SERVERS;
1038 mode_changes[mode_count].id = NULL;
1039 mode_changes[mode_count++].arg = forward;
1040 }
1041 else if(dir == MODE_DEL)
1042 {
1043 if(!(*chptr->mode.forward))
1044 return;
1045
1046 *chptr->mode.forward = '\0';
1047
1048 mode_changes[mode_count].letter = c;
1049 mode_changes[mode_count].dir = MODE_DEL;
1050 mode_changes[mode_count].caps = 0;
1051 mode_changes[mode_count].nocaps = 0;
1052 mode_changes[mode_count].mems = ALL_MEMBERS;
1053 mode_changes[mode_count].id = NULL;
1054 mode_changes[mode_count++].arg = NULL;
1055 }
1056}
1057
1058void
1059chm_key(struct Client *source_p, struct Channel *chptr,
1060 int alevel, int parc, int *parn,
1061 const char **parv, int *errors, int dir, char c, long mode_type)
1062{
1063 char *key;
1064
1065 if(alevel != CHFL_CHANOP)
1066 {
1067 if(!(*errors & SM_ERR_NOOPS))
1068 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1069 me.name, source_p->name, chptr->chname);
1070 *errors |= SM_ERR_NOOPS;
1071 return;
1072 }
1073
1074 if(dir == MODE_QUERY)
1075 return;
1076
1077 if((dir == MODE_ADD) && parc > *parn)
1078 {
1079 key = LOCAL_COPY(parv[(*parn)]);
1080 (*parn)++;
1081
1082 if(MyClient(source_p))
1083 fix_key(key);
1084 else
1085 fix_key_remote(key);
1086
1087 if(EmptyString(key))
1088 return;
1089
1090 s_assert(key[0] != ' ');
1091 strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
1092
1093 mode_changes[mode_count].letter = c;
1094 mode_changes[mode_count].dir = MODE_ADD;
1095 mode_changes[mode_count].caps = 0;
1096 mode_changes[mode_count].nocaps = 0;
1097 mode_changes[mode_count].mems = ALL_MEMBERS;
1098 mode_changes[mode_count].id = NULL;
1099 mode_changes[mode_count++].arg = chptr->mode.key;
1100 }
1101 else if(dir == MODE_DEL)
1102 {
1103 static char splat[] = "*";
1104 int i;
1105
1106 if(parc > *parn)
1107 (*parn)++;
1108
1109 if(!(*chptr->mode.key))
1110 return;
1111
1112 /* hack time. when we get a +k-k mode, the +k arg is
1113 * chptr->mode.key, which the -k sets to \0, so hunt for a
1114 * +k when we get a -k, and set the arg to splat. --anfl
1115 */
1116 for(i = 0; i < mode_count; i++)
1117 {
1118 if(mode_changes[i].letter == 'k' && mode_changes[i].dir == MODE_ADD)
1119 mode_changes[i].arg = splat;
1120 }
1121
1122 *chptr->mode.key = 0;
1123
1124 mode_changes[mode_count].letter = c;
1125 mode_changes[mode_count].dir = MODE_DEL;
1126 mode_changes[mode_count].caps = 0;
1127 mode_changes[mode_count].nocaps = 0;
1128 mode_changes[mode_count].mems = ALL_MEMBERS;
1129 mode_changes[mode_count].id = NULL;
1130 mode_changes[mode_count++].arg = "*";
1131 }
1132}
1133
1134void
1135chm_regonly(struct Client *source_p, struct Channel *chptr,
1136 int alevel, int parc, int *parn,
1137 const char **parv, int *errors, int dir, char c, long mode_type)
1138{
1139 if(alevel != CHFL_CHANOP)
1140 {
1141 if(!(*errors & SM_ERR_NOOPS))
1142 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1143 me.name, source_p->name, chptr->chname);
1144 *errors |= SM_ERR_NOOPS;
1145 return;
1146 }
1147
1148 if(dir == MODE_QUERY)
1149 return;
1150
1151 if(((dir == MODE_ADD) && (chptr->mode.mode & MODE_REGONLY)) ||
1152 ((dir == MODE_DEL) && !(chptr->mode.mode & MODE_REGONLY)))
1153 return;
1154
1155 if(dir == MODE_ADD)
1156 chptr->mode.mode |= MODE_REGONLY;
1157 else
1158 chptr->mode.mode &= ~MODE_REGONLY;
1159
1160 mode_changes[mode_count].letter = c;
1161 mode_changes[mode_count].dir = dir;
1162 mode_changes[mode_count].caps = CAP_SERVICE;
1163 mode_changes[mode_count].nocaps = 0;
1164 mode_changes[mode_count].mems = ALL_MEMBERS;
1165 mode_changes[mode_count].id = NULL;
1166 mode_changes[mode_count++].arg = NULL;
1167}
1168
1169/* *INDENT-OFF* */
1170struct ChannelMode chmode_table[256] =
1171{
1172 {chm_nosuch, 0 }, /* 0x00 */
1173 {chm_nosuch, 0 }, /* 0x01 */
1174 {chm_nosuch, 0 }, /* 0x02 */
1175 {chm_nosuch, 0 }, /* 0x03 */
1176 {chm_nosuch, 0 }, /* 0x04 */
1177 {chm_nosuch, 0 }, /* 0x05 */
1178 {chm_nosuch, 0 }, /* 0x06 */
1179 {chm_nosuch, 0 }, /* 0x07 */
1180 {chm_nosuch, 0 }, /* 0x08 */
1181 {chm_nosuch, 0 }, /* 0x09 */
1182 {chm_nosuch, 0 }, /* 0x0a */
1183 {chm_nosuch, 0 }, /* 0x0b */
1184 {chm_nosuch, 0 }, /* 0x0c */
1185 {chm_nosuch, 0 }, /* 0x0d */
1186 {chm_nosuch, 0 }, /* 0x0e */
1187 {chm_nosuch, 0 }, /* 0x0f */
1188 {chm_nosuch, 0 }, /* 0x10 */
1189 {chm_nosuch, 0 }, /* 0x11 */
1190 {chm_nosuch, 0 }, /* 0x12 */
1191 {chm_nosuch, 0 }, /* 0x13 */
1192 {chm_nosuch, 0 }, /* 0x14 */
1193 {chm_nosuch, 0 }, /* 0x15 */
1194 {chm_nosuch, 0 }, /* 0x16 */
1195 {chm_nosuch, 0 }, /* 0x17 */
1196 {chm_nosuch, 0 }, /* 0x18 */
1197 {chm_nosuch, 0 }, /* 0x19 */
1198 {chm_nosuch, 0 }, /* 0x1a */
1199 {chm_nosuch, 0 }, /* 0x1b */
1200 {chm_nosuch, 0 }, /* 0x1c */
1201 {chm_nosuch, 0 }, /* 0x1d */
1202 {chm_nosuch, 0 }, /* 0x1e */
1203 {chm_nosuch, 0 }, /* 0x1f */
1204 {chm_nosuch, 0 }, /* 0x20 */
1205 {chm_nosuch, 0 }, /* 0x21 */
1206 {chm_nosuch, 0 }, /* 0x22 */
1207 {chm_nosuch, 0 }, /* 0x23 */
1208 {chm_nosuch, 0 }, /* 0x24 */
1209 {chm_nosuch, 0 }, /* 0x25 */
1210 {chm_nosuch, 0 }, /* 0x26 */
1211 {chm_nosuch, 0 }, /* 0x27 */
1212 {chm_nosuch, 0 }, /* 0x28 */
1213 {chm_nosuch, 0 }, /* 0x29 */
1214 {chm_nosuch, 0 }, /* 0x2a */
1215 {chm_nosuch, 0 }, /* 0x2b */
1216 {chm_nosuch, 0 }, /* 0x2c */
1217 {chm_nosuch, 0 }, /* 0x2d */
1218 {chm_nosuch, 0 }, /* 0x2e */
1219 {chm_nosuch, 0 }, /* 0x2f */
1220 {chm_nosuch, 0 }, /* 0x30 */
1221 {chm_nosuch, 0 }, /* 0x31 */
1222 {chm_nosuch, 0 }, /* 0x32 */
1223 {chm_nosuch, 0 }, /* 0x33 */
1224 {chm_nosuch, 0 }, /* 0x34 */
1225 {chm_nosuch, 0 }, /* 0x35 */
1226 {chm_nosuch, 0 }, /* 0x36 */
1227 {chm_nosuch, 0 }, /* 0x37 */
1228 {chm_nosuch, 0 }, /* 0x38 */
1229 {chm_nosuch, 0 }, /* 0x39 */
1230 {chm_nosuch, 0 }, /* 0x3a */
1231 {chm_nosuch, 0 }, /* 0x3b */
1232 {chm_nosuch, 0 }, /* 0x3c */
1233 {chm_nosuch, 0 }, /* 0x3d */
1234 {chm_nosuch, 0 }, /* 0x3e */
1235 {chm_nosuch, 0 }, /* 0x3f */
1236
1237 {chm_nosuch, 0 }, /* @ */
1238 {chm_nosuch, 0 }, /* A */
1239 {chm_nosuch, 0 }, /* B */
1240 {chm_nosuch, 0 }, /* C */
1241 {chm_nosuch, 0 }, /* D */
1242 {chm_nosuch, 0 }, /* E */
1243 {chm_simple, MODE_FREETARGET }, /* F */
1244 {chm_nosuch, 0 }, /* G */
1245 {chm_nosuch, 0 }, /* H */
1246 {chm_ban, CHFL_INVEX }, /* I */
1247 {chm_nosuch, 0 }, /* J */
1248 {chm_nosuch, 0 }, /* K */
1249 {chm_staff, MODE_EXLIMIT }, /* L */
1250 {chm_nosuch, 0 }, /* M */
1251 {chm_nosuch, 0 }, /* N */
1252 {chm_nosuch, 0 }, /* O */
1253 {chm_staff, MODE_PERMANENT }, /* P */
1254 {chm_simple, MODE_DISFORWARD }, /* Q */
1255 {chm_nosuch, 0 }, /* R */
1256 {chm_nosuch, 0 }, /* S */
1257 {chm_nosuch, 0 }, /* T */
1258 {chm_nosuch, 0 }, /* U */
1259 {chm_nosuch, 0 }, /* V */
1260 {chm_nosuch, 0 }, /* W */
1261 {chm_nosuch, 0 }, /* X */
1262 {chm_nosuch, 0 }, /* Y */
1263 {chm_nosuch, 0 }, /* Z */
1264 {chm_nosuch, 0 },
1265 {chm_nosuch, 0 },
1266 {chm_nosuch, 0 },
1267 {chm_nosuch, 0 },
1268 {chm_nosuch, 0 },
1269 {chm_nosuch, 0 },
1270 {chm_nosuch, 0 }, /* a */
1271 {chm_ban, CHFL_BAN }, /* b */
1272 {chm_simple, MODE_NOCOLOR }, /* c */
1273 {chm_nosuch, 0 }, /* d */
1274 {chm_ban, CHFL_EXCEPTION }, /* e */
1275 {chm_forward, 0 }, /* f */
1276 {chm_simple, MODE_FREEINVITE }, /* g */
1277 {chm_nosuch, 0 }, /* h */
1278 {chm_simple, MODE_INVITEONLY }, /* i */
1279 {chm_throttle, 0 }, /* j */
1280 {chm_key, 0 }, /* k */
1281 {chm_limit, 0 }, /* l */
1282 {chm_simple, MODE_MODERATED }, /* m */
1283 {chm_simple, MODE_NOPRIVMSGS }, /* n */
1284 {chm_op, 0 }, /* o */
1285 {chm_simple, MODE_PRIVATE }, /* p */
1286 {chm_ban, CHFL_QUIET }, /* q */
1287 {chm_regonly, 0 }, /* r */
1288 {chm_simple, MODE_SECRET }, /* s */
1289 {chm_simple, MODE_TOPICLIMIT }, /* t */
1290 {chm_nosuch, 0 }, /* u */
1291 {chm_voice, 0 }, /* v */
1292 {chm_nosuch, 0 }, /* w */
1293 {chm_nosuch, 0 }, /* x */
1294 {chm_nosuch, 0 }, /* y */
1295 {chm_simple, MODE_OPMODERATE }, /* z */
1296
1297 {chm_nosuch, 0 }, /* 0x7b */
1298 {chm_nosuch, 0 }, /* 0x7c */
1299 {chm_nosuch, 0 }, /* 0x7d */
1300 {chm_nosuch, 0 }, /* 0x7e */
1301 {chm_nosuch, 0 }, /* 0x7f */
1302
1303 {chm_nosuch, 0 }, /* 0x80 */
1304 {chm_nosuch, 0 }, /* 0x81 */
1305 {chm_nosuch, 0 }, /* 0x82 */
1306 {chm_nosuch, 0 }, /* 0x83 */
1307 {chm_nosuch, 0 }, /* 0x84 */
1308 {chm_nosuch, 0 }, /* 0x85 */
1309 {chm_nosuch, 0 }, /* 0x86 */
1310 {chm_nosuch, 0 }, /* 0x87 */
1311 {chm_nosuch, 0 }, /* 0x88 */
1312 {chm_nosuch, 0 }, /* 0x89 */
1313 {chm_nosuch, 0 }, /* 0x8a */
1314 {chm_nosuch, 0 }, /* 0x8b */
1315 {chm_nosuch, 0 }, /* 0x8c */
1316 {chm_nosuch, 0 }, /* 0x8d */
1317 {chm_nosuch, 0 }, /* 0x8e */
1318 {chm_nosuch, 0 }, /* 0x8f */
1319
1320 {chm_nosuch, 0 }, /* 0x90 */
1321 {chm_nosuch, 0 }, /* 0x91 */
1322 {chm_nosuch, 0 }, /* 0x92 */
1323 {chm_nosuch, 0 }, /* 0x93 */
1324 {chm_nosuch, 0 }, /* 0x94 */
1325 {chm_nosuch, 0 }, /* 0x95 */
1326 {chm_nosuch, 0 }, /* 0x96 */
1327 {chm_nosuch, 0 }, /* 0x97 */
1328 {chm_nosuch, 0 }, /* 0x98 */
1329 {chm_nosuch, 0 }, /* 0x99 */
1330 {chm_nosuch, 0 }, /* 0x9a */
1331 {chm_nosuch, 0 }, /* 0x9b */
1332 {chm_nosuch, 0 }, /* 0x9c */
1333 {chm_nosuch, 0 }, /* 0x9d */
1334 {chm_nosuch, 0 }, /* 0x9e */
1335 {chm_nosuch, 0 }, /* 0x9f */
1336
1337 {chm_nosuch, 0 }, /* 0xa0 */
1338 {chm_nosuch, 0 }, /* 0xa1 */
1339 {chm_nosuch, 0 }, /* 0xa2 */
1340 {chm_nosuch, 0 }, /* 0xa3 */
1341 {chm_nosuch, 0 }, /* 0xa4 */
1342 {chm_nosuch, 0 }, /* 0xa5 */
1343 {chm_nosuch, 0 }, /* 0xa6 */
1344 {chm_nosuch, 0 }, /* 0xa7 */
1345 {chm_nosuch, 0 }, /* 0xa8 */
1346 {chm_nosuch, 0 }, /* 0xa9 */
1347 {chm_nosuch, 0 }, /* 0xaa */
1348 {chm_nosuch, 0 }, /* 0xab */
1349 {chm_nosuch, 0 }, /* 0xac */
1350 {chm_nosuch, 0 }, /* 0xad */
1351 {chm_nosuch, 0 }, /* 0xae */
1352 {chm_nosuch, 0 }, /* 0xaf */
1353
1354 {chm_nosuch, 0 }, /* 0xb0 */
1355 {chm_nosuch, 0 }, /* 0xb1 */
1356 {chm_nosuch, 0 }, /* 0xb2 */
1357 {chm_nosuch, 0 }, /* 0xb3 */
1358 {chm_nosuch, 0 }, /* 0xb4 */
1359 {chm_nosuch, 0 }, /* 0xb5 */
1360 {chm_nosuch, 0 }, /* 0xb6 */
1361 {chm_nosuch, 0 }, /* 0xb7 */
1362 {chm_nosuch, 0 }, /* 0xb8 */
1363 {chm_nosuch, 0 }, /* 0xb9 */
1364 {chm_nosuch, 0 }, /* 0xba */
1365 {chm_nosuch, 0 }, /* 0xbb */
1366 {chm_nosuch, 0 }, /* 0xbc */
1367 {chm_nosuch, 0 }, /* 0xbd */
1368 {chm_nosuch, 0 }, /* 0xbe */
1369 {chm_nosuch, 0 }, /* 0xbf */
1370
1371 {chm_nosuch, 0 }, /* 0xc0 */
1372 {chm_nosuch, 0 }, /* 0xc1 */
1373 {chm_nosuch, 0 }, /* 0xc2 */
1374 {chm_nosuch, 0 }, /* 0xc3 */
1375 {chm_nosuch, 0 }, /* 0xc4 */
1376 {chm_nosuch, 0 }, /* 0xc5 */
1377 {chm_nosuch, 0 }, /* 0xc6 */
1378 {chm_nosuch, 0 }, /* 0xc7 */
1379 {chm_nosuch, 0 }, /* 0xc8 */
1380 {chm_nosuch, 0 }, /* 0xc9 */
1381 {chm_nosuch, 0 }, /* 0xca */
1382 {chm_nosuch, 0 }, /* 0xcb */
1383 {chm_nosuch, 0 }, /* 0xcc */
1384 {chm_nosuch, 0 }, /* 0xcd */
1385 {chm_nosuch, 0 }, /* 0xce */
1386 {chm_nosuch, 0 }, /* 0xcf */
1387
1388 {chm_nosuch, 0 }, /* 0xd0 */
1389 {chm_nosuch, 0 }, /* 0xd1 */
1390 {chm_nosuch, 0 }, /* 0xd2 */
1391 {chm_nosuch, 0 }, /* 0xd3 */
1392 {chm_nosuch, 0 }, /* 0xd4 */
1393 {chm_nosuch, 0 }, /* 0xd5 */
1394 {chm_nosuch, 0 }, /* 0xd6 */
1395 {chm_nosuch, 0 }, /* 0xd7 */
1396 {chm_nosuch, 0 }, /* 0xd8 */
1397 {chm_nosuch, 0 }, /* 0xd9 */
1398 {chm_nosuch, 0 }, /* 0xda */
1399 {chm_nosuch, 0 }, /* 0xdb */
1400 {chm_nosuch, 0 }, /* 0xdc */
1401 {chm_nosuch, 0 }, /* 0xdd */
1402 {chm_nosuch, 0 }, /* 0xde */
1403 {chm_nosuch, 0 }, /* 0xdf */
1404
1405 {chm_nosuch, 0 }, /* 0xe0 */
1406 {chm_nosuch, 0 }, /* 0xe1 */
1407 {chm_nosuch, 0 }, /* 0xe2 */
1408 {chm_nosuch, 0 }, /* 0xe3 */
1409 {chm_nosuch, 0 }, /* 0xe4 */
1410 {chm_nosuch, 0 }, /* 0xe5 */
1411 {chm_nosuch, 0 }, /* 0xe6 */
1412 {chm_nosuch, 0 }, /* 0xe7 */
1413 {chm_nosuch, 0 }, /* 0xe8 */
1414 {chm_nosuch, 0 }, /* 0xe9 */
1415 {chm_nosuch, 0 }, /* 0xea */
1416 {chm_nosuch, 0 }, /* 0xeb */
1417 {chm_nosuch, 0 }, /* 0xec */
1418 {chm_nosuch, 0 }, /* 0xed */
1419 {chm_nosuch, 0 }, /* 0xee */
1420 {chm_nosuch, 0 }, /* 0xef */
1421
1422 {chm_nosuch, 0 }, /* 0xf0 */
1423 {chm_nosuch, 0 }, /* 0xf1 */
1424 {chm_nosuch, 0 }, /* 0xf2 */
1425 {chm_nosuch, 0 }, /* 0xf3 */
1426 {chm_nosuch, 0 }, /* 0xf4 */
1427 {chm_nosuch, 0 }, /* 0xf5 */
1428 {chm_nosuch, 0 }, /* 0xf6 */
1429 {chm_nosuch, 0 }, /* 0xf7 */
1430 {chm_nosuch, 0 }, /* 0xf8 */
1431 {chm_nosuch, 0 }, /* 0xf9 */
1432 {chm_nosuch, 0 }, /* 0xfa */
1433 {chm_nosuch, 0 }, /* 0xfb */
1434 {chm_nosuch, 0 }, /* 0xfc */
1435 {chm_nosuch, 0 }, /* 0xfd */
1436 {chm_nosuch, 0 }, /* 0xfe */
1437 {chm_nosuch, 0 }, /* 0xff */
1438};
1439
1440/* *INDENT-ON* */
1441
1442/* set_channel_mode()
1443 *
1444 * inputs - client, source, channel, membership pointer, params
1445 * output -
1446 * side effects - channel modes/memberships are changed, MODE is issued
1447 *
1448 * Extensively modified to be hotpluggable, 03/09/06 -- nenolod
1449 */
1450void
1451set_channel_mode(struct Client *client_p, struct Client *source_p,
1452 struct Channel *chptr, struct membership *msptr, int parc, const char *parv[])
1453{
1454 static char modebuf[BUFSIZE];
1455 static char parabuf[BUFSIZE];
1456 char *mbuf;
1457 char *pbuf;
1458 int cur_len, mlen, paralen, paracount, arglen, len;
1459 int i, j, flags;
1460 int dir = MODE_ADD;
1461 int parn = 1;
1462 int errors = 0;
1463 int alevel;
1464 const char *ml = parv[0];
1465 char c;
1466 struct Client *fakesource_p;
1467
1468 mask_pos = 0;
1469 mode_count = 0;
1470 mode_limit = 0;
1471
1472 alevel = get_channel_access(source_p, msptr);
1473
1474 /* Hide connecting server on netburst -- jilles */
1475 if (ConfigServerHide.flatten_links && IsServer(source_p) && !has_id(source_p) && !HasSentEob(source_p))
1476 fakesource_p = &me;
1477 else
1478 fakesource_p = source_p;
1479
1480 for(; (c = *ml) != 0; ml++)
1481 {
1482 switch (c)
1483 {
1484 case '+':
1485 dir = MODE_ADD;
1486 break;
1487 case '-':
1488 dir = MODE_DEL;
1489 break;
1490 case '=':
1491 dir = MODE_QUERY;
1492 break;
1493 default:
1494 chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
1495 parc, &parn, parv,
1496 &errors, dir, c,
1497 chmode_table[(unsigned char) c].mode_type);
1498 break;
1499 }
1500 }
1501
1502 /* bail out if we have nothing to do... */
1503 if(!mode_count)
1504 return;
1505
1506 if(IsServer(source_p))
1507 mlen = ircsprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
1508 else
1509 mlen = ircsprintf(modebuf, ":%s!%s@%s MODE %s ",
1510 source_p->name, source_p->username,
1511 source_p->host, chptr->chname);
1512
1513 for(j = 0, flags = ALL_MEMBERS; j < 2; j++, flags = ONLY_CHANOPS)
1514 {
1515 cur_len = mlen;
1516 mbuf = modebuf + mlen;
1517 pbuf = parabuf;
1518 parabuf[0] = '\0';
1519 paracount = paralen = 0;
1520 dir = MODE_QUERY;
1521
1522 for(i = 0; i < mode_count; i++)
1523 {
1524 if(mode_changes[i].letter == 0 || mode_changes[i].mems != flags)
1525 continue;
1526
1527 if(mode_changes[i].arg != NULL)
1528 {
1529 arglen = strlen(mode_changes[i].arg);
1530
1531 if(arglen > MODEBUFLEN - 5)
1532 continue;
1533 }
1534 else
1535 arglen = 0;
1536
1537 /* if we're creeping over MAXMODEPARAMSSERV, or over
1538 * bufsize (4 == +/-,modechar,two spaces) send now.
1539 */
1540 if(mode_changes[i].arg != NULL &&
1541 ((paracount == MAXMODEPARAMSSERV) ||
1542 ((cur_len + paralen + arglen + 4) > (BUFSIZE - 3))))
1543 {
1544 *mbuf = '\0';
1545
1546 if(cur_len > mlen)
1547 sendto_channel_local(flags, chptr, "%s %s", modebuf,
1548 parabuf);
1549 else
1550 continue;
1551
1552 paracount = paralen = 0;
1553 cur_len = mlen;
1554 mbuf = modebuf + mlen;
1555 pbuf = parabuf;
1556 parabuf[0] = '\0';
1557 dir = MODE_QUERY;
1558 }
1559
1560 if(dir != mode_changes[i].dir)
1561 {
1562 *mbuf++ = (mode_changes[i].dir == MODE_ADD) ? '+' : '-';
1563 cur_len++;
1564 dir = mode_changes[i].dir;
1565 }
1566
1567 *mbuf++ = mode_changes[i].letter;
1568 cur_len++;
1569
1570 if(mode_changes[i].arg != NULL)
1571 {
1572 paracount++;
1573 len = ircsprintf(pbuf, "%s ", mode_changes[i].arg);
1574 pbuf += len;
1575 paralen += len;
1576 }
1577 }
1578
1579 if(paralen && parabuf[paralen - 1] == ' ')
1580 parabuf[paralen - 1] = '\0';
1581
1582 *mbuf = '\0';
1583 if(cur_len > mlen)
1584 sendto_channel_local(flags, chptr, "%s %s", modebuf, parabuf);
1585 }
1586
1587 /* only propagate modes originating locally, or if we're hubbing */
1588 if(MyClient(source_p) || dlink_list_length(&serv_list) > 1)
1589 send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
1590}
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