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[svn] Fix desyncs with very long extbans. Bans can now be upto 195 chars long.
[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 *
83294285 25 * $Id: chmode.c 3580 2007-11-07 23:45:14Z jilles $
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;
83294285 95 static char who[USERHOST_REPLYLEN];
212380e3 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
212380e3 111 DLINK_FOREACH(ptr, list->head)
112 {
113 actualBan = ptr->data;
fd488ac1 114 if(mask_match(actualBan->banstr, realban))
212380e3 115 return 0;
116 }
117 }
118 /* dont let remotes set duplicates */
119 else
120 {
121 DLINK_FOREACH(ptr, list->head)
122 {
123 actualBan = ptr->data;
124 if(!irccmp(actualBan->banstr, realban))
125 return 0;
126 }
127 }
128
129
130 if(IsPerson(source_p))
131 ircsprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
132 else
133 strlcpy(who, source_p->name, sizeof(who));
134
135 actualBan = allocate_ban(realban, who);
136 actualBan->when = CurrentTime;
137
138 dlinkAdd(actualBan, &actualBan->node, list);
139
140 /* invalidate the can_send() cache */
141 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
142 chptr->bants++;
143
144 return 1;
145}
146
147/* del_id()
148 *
149 * inputs - channel, id to remove, type
150 * outputs - 0 on failure, 1 on success
151 * side effects - given id is removed from the appropriate list
152 */
153int
154del_id(struct Channel *chptr, const char *banid, dlink_list * list, long mode_type)
155{
156 dlink_node *ptr;
157 struct Ban *banptr;
158
159 if(EmptyString(banid))
160 return 0;
161
162 DLINK_FOREACH(ptr, list->head)
163 {
164 banptr = ptr->data;
165
166 if(irccmp(banid, banptr->banstr) == 0)
167 {
168 dlinkDelete(&banptr->node, list);
169 free_ban(banptr);
170
171 /* invalidate the can_send() cache */
172 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
173 chptr->bants++;
174
175 return 1;
176 }
177 }
178
179 return 0;
180}
181
182/* check_string()
183 *
184 * input - string to check
185 * output - pointer to 'fixed' string, or "*" if empty
186 * side effects - any white space found becomes \0
187 */
188static char *
189check_string(char *s)
190{
191 char *str = s;
192 static char splat[] = "*";
193 if(!(s && *s))
194 return splat;
195
196 for(; *s; ++s)
197 {
198 if(IsSpace(*s))
199 {
200 *s = '\0';
201 break;
202 }
203 }
204 return str;
205}
206
207/* pretty_mask()
208 *
209 * inputs - mask to pretty
210 * outputs - better version of the mask
211 * side effects - mask is chopped to limits, and transformed:
212 * x!y@z => x!y@z
213 * y@z => *!y@z
214 * x!y => x!y@*
215 * x => x!*@*
216 * z.d => *!*@z.d
217 */
218static char *
219pretty_mask(const char *idmask)
220{
221 static char mask_buf[BUFSIZE];
222 int old_mask_pos;
223 char *nick, *user, *host;
224 char splat[] = "*";
225 char *t, *at, *ex;
226 char ne = 0, ue = 0, he = 0; /* save values at nick[NICKLEN], et all */
227 char *mask;
228
229 mask = LOCAL_COPY(idmask);
230 mask = check_string(mask);
231 collapse(mask);
232
233 nick = user = host = splat;
234
235 if((size_t) BUFSIZE - mask_pos < strlen(mask) + 5)
236 return NULL;
237
238 old_mask_pos = mask_pos;
239
240 if (*mask == '$')
241 {
242 mask_pos += ircsprintf(mask_buf + mask_pos, "%s", mask) + 1;
243 t = mask_buf + old_mask_pos + 1;
244 if (*t == '!')
245 *t = '~';
246 if (*t == '~')
247 t++;
248 *t = ToLower(*t);
249 return mask_buf + old_mask_pos;
250 }
251
252 at = ex = NULL;
253 if((t = strchr(mask, '@')) != NULL)
254 {
255 at = t;
256 *t++ = '\0';
257 if(*t != '\0')
258 host = t;
259
260 if((t = strchr(mask, '!')) != NULL)
261 {
262 ex = t;
263 *t++ = '\0';
264 if(*t != '\0')
265 user = t;
266 if(*mask != '\0')
267 nick = mask;
268 }
269 else
270 {
271 if(*mask != '\0')
272 user = mask;
273 }
274 }
275 else if((t = strchr(mask, '!')) != NULL)
276 {
277 ex = t;
278 *t++ = '\0';
279 if(*mask != '\0')
280 nick = mask;
281 if(*t != '\0')
282 user = t;
283 }
284 else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL)
285 {
286 if(*mask != '\0')
287 host = mask;
288 }
289 else
290 {
291 if(*mask != '\0')
292 nick = mask;
293 }
294
295 /* truncate values to max lengths */
296 if(strlen(nick) > NICKLEN - 1)
297 {
298 ne = nick[NICKLEN - 1];
299 nick[NICKLEN - 1] = '\0';
300 }
301 if(strlen(user) > USERLEN)
302 {
303 ue = user[USERLEN];
304 user[USERLEN] = '\0';
305 }
306 if(strlen(host) > HOSTLEN)
307 {
308 he = host[HOSTLEN];
309 host[HOSTLEN] = '\0';
310 }
311
312 mask_pos += ircsprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
313
314 /* restore mask, since we may need to use it again later */
315 if(at)
316 *at = '@';
317 if(ex)
318 *ex = '!';
319 if(ne)
320 nick[NICKLEN - 1] = ne;
321 if(ue)
322 user[USERLEN] = ue;
323 if(he)
324 host[HOSTLEN] = he;
325
326 return mask_buf + old_mask_pos;
327}
328
329/* fix_key()
330 *
331 * input - key to fix
332 * output - the same key, fixed
333 * side effects - anything below ascii 13 is discarded, ':' discarded,
334 * high ascii is dropped to lower half of ascii table
335 */
336static char *
337fix_key(char *arg)
338{
339 u_char *s, *t, c;
340
341 for(s = t = (u_char *) arg; (c = *s); s++)
342 {
343 c &= 0x7f;
344 if(c != ':' && c != ',' && c > ' ')
345 *t++ = c;
346 }
347
348 *t = '\0';
349 return arg;
350}
351
352/* fix_key_remote()
353 *
354 * input - key to fix
355 * ouput - the same key, fixed
356 * side effects - high ascii dropped to lower half of table,
357 * CR/LF/':' are dropped
358 */
359static char *
360fix_key_remote(char *arg)
361{
362 u_char *s, *t, c;
363
364 for(s = t = (u_char *) arg; (c = *s); s++)
365 {
366 c &= 0x7f;
367 if((c != 0x0a) && (c != ':') && (c != ',') && (c != 0x0d) && (c != ' '))
368 *t++ = c;
369 }
370
371 *t = '\0';
372 return arg;
373}
374
375/* chm_*()
376 *
377 * The handlers for each specific mode.
378 */
379void
380chm_nosuch(struct Client *source_p, struct Channel *chptr,
381 int alevel, int parc, int *parn,
382 const char **parv, int *errors, int dir, char c, long mode_type)
383{
384 if(*errors & SM_ERR_UNKNOWN)
385 return;
386 *errors |= SM_ERR_UNKNOWN;
387 sendto_one(source_p, form_str(ERR_UNKNOWNMODE), me.name, source_p->name, c);
388}
389
390void
391chm_simple(struct Client *source_p, struct Channel *chptr,
392 int alevel, int parc, int *parn,
393 const char **parv, int *errors, int dir, char c, long mode_type)
394{
395 if(alevel != CHFL_CHANOP)
396 {
397 if(!(*errors & SM_ERR_NOOPS))
398 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
399 me.name, source_p->name, chptr->chname);
400 *errors |= SM_ERR_NOOPS;
401 return;
402 }
403
404 /* +ntspmaikl == 9 + MAXMODEPARAMS (4 * +o) */
405 if(MyClient(source_p) && (++mode_limit > (9 + MAXMODEPARAMS)))
406 return;
407
408 /* setting + */
409 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
410 {
411 /* if +f is disabled, ignore an attempt to set +QF locally */
412 if(!ConfigChannel.use_forward && MyClient(source_p) &&
413 (c == 'Q' || c == 'F'))
414 return;
415
416 chptr->mode.mode |= mode_type;
417
418 mode_changes[mode_count].letter = c;
419 mode_changes[mode_count].dir = MODE_ADD;
420 mode_changes[mode_count].caps = 0;
421 mode_changes[mode_count].nocaps = 0;
422 mode_changes[mode_count].id = NULL;
423 mode_changes[mode_count].mems = ALL_MEMBERS;
424 mode_changes[mode_count++].arg = NULL;
425 }
426 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
427 {
428 chptr->mode.mode &= ~mode_type;
429
430 mode_changes[mode_count].letter = c;
431 mode_changes[mode_count].dir = MODE_DEL;
432 mode_changes[mode_count].caps = 0;
433 mode_changes[mode_count].nocaps = 0;
434 mode_changes[mode_count].mems = ALL_MEMBERS;
435 mode_changes[mode_count].id = NULL;
436 mode_changes[mode_count++].arg = NULL;
437 }
438}
439
440void
441chm_staff(struct Client *source_p, struct Channel *chptr,
442 int alevel, int parc, int *parn,
443 const char **parv, int *errors, int dir, char c, long mode_type)
444{
445 if(!IsOper(source_p) && !IsServer(source_p))
446 {
447 if(!(*errors & SM_ERR_NOPRIVS))
448 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
449 *errors |= SM_ERR_NOPRIVS;
450 return;
451 }
452
453 /* setting + */
454 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
455 {
456 chptr->mode.mode |= mode_type;
457
458 mode_changes[mode_count].letter = c;
459 mode_changes[mode_count].dir = MODE_ADD;
460 mode_changes[mode_count].caps = 0;
461 mode_changes[mode_count].nocaps = 0;
462 mode_changes[mode_count].id = NULL;
463 mode_changes[mode_count].mems = ALL_MEMBERS;
464 mode_changes[mode_count++].arg = NULL;
465 }
466 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
467 {
468 chptr->mode.mode &= ~mode_type;
469
470 mode_changes[mode_count].letter = c;
471 mode_changes[mode_count].dir = MODE_DEL;
472 mode_changes[mode_count].caps = 0;
473 mode_changes[mode_count].nocaps = 0;
474 mode_changes[mode_count].mems = ALL_MEMBERS;
475 mode_changes[mode_count].id = NULL;
476 mode_changes[mode_count++].arg = NULL;
477 }
478}
479
480void
481chm_ban(struct Client *source_p, struct Channel *chptr,
482 int alevel, int parc, int *parn,
483 const char **parv, int *errors, int dir, char c, long mode_type)
484{
485 const char *mask;
486 const char *raw_mask;
487 dlink_list *list;
488 dlink_node *ptr;
489 struct Ban *banptr;
490 int errorval;
491 int rpl_list;
492 int rpl_endlist;
493 int caps;
494 int mems;
495
496 switch (mode_type)
497 {
498 case CHFL_BAN:
499 list = &chptr->banlist;
500 errorval = SM_ERR_RPL_B;
501 rpl_list = RPL_BANLIST;
502 rpl_endlist = RPL_ENDOFBANLIST;
503 mems = ALL_MEMBERS;
504 caps = 0;
505 break;
506
507 case CHFL_EXCEPTION:
508 /* if +e is disabled, allow all but +e locally */
509 if(!ConfigChannel.use_except && MyClient(source_p) &&
510 ((dir == MODE_ADD) && (parc > *parn)))
511 return;
512
513 list = &chptr->exceptlist;
514 errorval = SM_ERR_RPL_E;
515 rpl_list = RPL_EXCEPTLIST;
516 rpl_endlist = RPL_ENDOFEXCEPTLIST;
517 caps = CAP_EX;
518
519 if(ConfigChannel.use_except || (dir == MODE_DEL))
520 mems = ONLY_CHANOPS;
521 else
522 mems = ONLY_SERVERS;
523 break;
524
525 case CHFL_INVEX:
526 /* if +I is disabled, allow all but +I locally */
527 if(!ConfigChannel.use_invex && MyClient(source_p) &&
528 (dir == MODE_ADD) && (parc > *parn))
529 return;
530
531 list = &chptr->invexlist;
532 errorval = SM_ERR_RPL_I;
533 rpl_list = RPL_INVITELIST;
534 rpl_endlist = RPL_ENDOFINVITELIST;
535 caps = CAP_IE;
536
537 if(ConfigChannel.use_invex || (dir == MODE_DEL))
538 mems = ONLY_CHANOPS;
539 else
540 mems = ONLY_SERVERS;
541 break;
542
543 case CHFL_QUIET:
544 list = &chptr->quietlist;
545 errorval = SM_ERR_RPL_Q;
546 rpl_list = RPL_BANLIST;
547 rpl_endlist = RPL_ENDOFBANLIST;
548 mems = ALL_MEMBERS;
549 caps = 0;
550 break;
551
552 default:
553 sendto_realops_snomask(SNO_GENERAL, L_ALL, "chm_ban() called with unknown type!");
554 return;
555 break;
556 }
557
558 if(dir == 0 || parc <= *parn)
559 {
560 if((*errors & errorval) != 0)
561 return;
562 *errors |= errorval;
563
564 /* non-ops cant see +eI lists.. */
565 if(alevel != CHFL_CHANOP && mode_type != CHFL_BAN &&
566 mode_type != CHFL_QUIET)
567 {
568 if(!(*errors & SM_ERR_NOOPS))
569 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
570 me.name, source_p->name, chptr->chname);
571 *errors |= SM_ERR_NOOPS;
572 return;
573 }
574
575 DLINK_FOREACH(ptr, list->head)
576 {
577 banptr = ptr->data;
578 sendto_one(source_p, form_str(rpl_list),
579 me.name, source_p->name, chptr->chname,
580 banptr->banstr, banptr->who, banptr->when);
581 }
11781253 582 if (mode_type == CHFL_QUIET)
583 sendto_one(source_p, ":%s %d %s %s :End of Channel Quiet List", me.name, rpl_endlist, source_p->name, chptr->chname);
584 else
585 sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
212380e3 586 return;
587 }
588
589 if(alevel != CHFL_CHANOP)
590 {
591 if(!(*errors & SM_ERR_NOOPS))
592 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
593 me.name, source_p->name, chptr->chname);
594 *errors |= SM_ERR_NOOPS;
595 return;
596 }
597
598 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
599 return;
600
601 raw_mask = parv[(*parn)];
602 (*parn)++;
603
604 /* empty ban, or starts with ':' which messes up s2s, ignore it */
605 if(EmptyString(raw_mask) || *raw_mask == ':')
606 return;
607
608 if(!MyClient(source_p))
609 {
610 if(strchr(raw_mask, ' '))
611 return;
612
613 mask = raw_mask;
614 }
615 else
616 mask = pretty_mask(raw_mask);
617
83294285 618 /* we'd have problems parsing this, hyb6 does it too
619 * also make sure it will always fit on a line with channel
620 * name etc.
621 */
622 if(strlen(mask) > IRCD_MIN(BANLEN, MODEBUFLEN - 5))
212380e3 623 return;
624
625 /* if we're adding a NEW id */
626 if(dir == MODE_ADD)
627 {
628 if (*mask == '$' && MyClient(source_p))
629 {
630 if (!valid_extban(mask, source_p, chptr, mode_type))
631 /* XXX perhaps return an error message here */
632 return;
633 }
634
635 /* dont allow local clients to overflow the banlist, dont
636 * let remote servers set duplicate bans
637 */
638 if(!add_id(source_p, chptr, mask, list, mode_type))
639 return;
640
641 mode_changes[mode_count].letter = c;
642 mode_changes[mode_count].dir = MODE_ADD;
643 mode_changes[mode_count].caps = caps;
644 mode_changes[mode_count].nocaps = 0;
645 mode_changes[mode_count].mems = mems;
646 mode_changes[mode_count].id = NULL;
647 mode_changes[mode_count++].arg = mask;
648 }
649 else if(dir == MODE_DEL)
650 {
651 if(del_id(chptr, mask, list, mode_type) == 0)
652 {
653 /* mask isn't a valid ban, check raw_mask */
654 if(del_id(chptr, raw_mask, list, mode_type))
655 mask = raw_mask;
656 }
657
658 mode_changes[mode_count].letter = c;
659 mode_changes[mode_count].dir = MODE_DEL;
660 mode_changes[mode_count].caps = caps;
661 mode_changes[mode_count].nocaps = 0;
662 mode_changes[mode_count].mems = mems;
663 mode_changes[mode_count].id = NULL;
664 mode_changes[mode_count++].arg = mask;
665 }
666}
667
668void
669chm_op(struct Client *source_p, struct Channel *chptr,
670 int alevel, int parc, int *parn,
671 const char **parv, int *errors, int dir, char c, long mode_type)
672{
673 struct membership *mstptr;
674 const char *opnick;
675 struct Client *targ_p;
676
677 if(alevel != CHFL_CHANOP)
678 {
679 if(!(*errors & SM_ERR_NOOPS))
680 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
681 me.name, source_p->name, chptr->chname);
682 *errors |= SM_ERR_NOOPS;
683 return;
684 }
685
686 if((dir == MODE_QUERY) || (parc <= *parn))
687 return;
688
689 opnick = parv[(*parn)];
690 (*parn)++;
691
692 /* empty nick */
693 if(EmptyString(opnick))
694 {
695 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
696 return;
697 }
698
699 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
700 {
701 return;
702 }
703
704 mstptr = find_channel_membership(chptr, targ_p);
705
706 if(mstptr == NULL)
707 {
708 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
709 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
710 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
711 *errors |= SM_ERR_NOTONCHANNEL;
712 return;
713 }
714
715 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
716 return;
717
718 if(dir == MODE_ADD)
719 {
720 if(targ_p == source_p)
721 return;
722
723 mode_changes[mode_count].letter = c;
724 mode_changes[mode_count].dir = MODE_ADD;
725 mode_changes[mode_count].caps = 0;
726 mode_changes[mode_count].nocaps = 0;
727 mode_changes[mode_count].mems = ALL_MEMBERS;
728 mode_changes[mode_count].id = targ_p->id;
729 mode_changes[mode_count].arg = targ_p->name;
730 mode_changes[mode_count++].client = targ_p;
731
732 mstptr->flags |= CHFL_CHANOP;
733 mstptr->flags &= ~CHFL_DEOPPED;
734 }
735 else
736 {
737 if(MyClient(source_p) && IsService(targ_p))
738 {
739 sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
740 me.name, source_p->name, targ_p->name, chptr->chname);
741 return;
742 }
743
744 mode_changes[mode_count].letter = c;
745 mode_changes[mode_count].dir = MODE_DEL;
746 mode_changes[mode_count].caps = 0;
747 mode_changes[mode_count].nocaps = 0;
748 mode_changes[mode_count].mems = ALL_MEMBERS;
749 mode_changes[mode_count].id = targ_p->id;
750 mode_changes[mode_count].arg = targ_p->name;
751 mode_changes[mode_count++].client = targ_p;
752
753 mstptr->flags &= ~CHFL_CHANOP;
754 }
755}
756
757void
758chm_voice(struct Client *source_p, struct Channel *chptr,
759 int alevel, int parc, int *parn,
760 const char **parv, int *errors, int dir, char c, long mode_type)
761{
762 struct membership *mstptr;
763 const char *opnick;
764 struct Client *targ_p;
765
766 if(alevel != CHFL_CHANOP)
767 {
768 if(!(*errors & SM_ERR_NOOPS))
769 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
770 me.name, source_p->name, chptr->chname);
771 *errors |= SM_ERR_NOOPS;
772 return;
773 }
774
775 if((dir == MODE_QUERY) || parc <= *parn)
776 return;
777
778 opnick = parv[(*parn)];
779 (*parn)++;
780
781 /* empty nick */
782 if(EmptyString(opnick))
783 {
784 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
785 return;
786 }
787
788 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
789 {
790 return;
791 }
792
793 mstptr = find_channel_membership(chptr, targ_p);
794
795 if(mstptr == NULL)
796 {
797 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
798 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
799 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
800 *errors |= SM_ERR_NOTONCHANNEL;
801 return;
802 }
803
804 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
805 return;
806
807 if(dir == MODE_ADD)
808 {
809 mode_changes[mode_count].letter = c;
810 mode_changes[mode_count].dir = MODE_ADD;
811 mode_changes[mode_count].caps = 0;
812 mode_changes[mode_count].nocaps = 0;
813 mode_changes[mode_count].mems = ALL_MEMBERS;
814 mode_changes[mode_count].id = targ_p->id;
815 mode_changes[mode_count].arg = targ_p->name;
816 mode_changes[mode_count++].client = targ_p;
817
818 mstptr->flags |= CHFL_VOICE;
819 }
820 else
821 {
822 mode_changes[mode_count].letter = 'v';
823 mode_changes[mode_count].dir = MODE_DEL;
824 mode_changes[mode_count].caps = 0;
825 mode_changes[mode_count].nocaps = 0;
826 mode_changes[mode_count].mems = ALL_MEMBERS;
827 mode_changes[mode_count].id = targ_p->id;
828 mode_changes[mode_count].arg = targ_p->name;
829 mode_changes[mode_count++].client = targ_p;
830
831 mstptr->flags &= ~CHFL_VOICE;
832 }
833}
834
835void
836chm_limit(struct Client *source_p, struct Channel *chptr,
837 int alevel, int parc, int *parn,
838 const char **parv, int *errors, int dir, char c, long mode_type)
839{
840 const char *lstr;
841 static char limitstr[30];
842 int limit;
843
844 if(alevel != CHFL_CHANOP)
845 {
846 if(!(*errors & SM_ERR_NOOPS))
847 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
848 me.name, source_p->name, chptr->chname);
849 *errors |= SM_ERR_NOOPS;
850 return;
851 }
852
853 if(dir == MODE_QUERY)
854 return;
855
856 if((dir == MODE_ADD) && parc > *parn)
857 {
858 lstr = parv[(*parn)];
859 (*parn)++;
860
861 if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
862 return;
863
864 ircsprintf(limitstr, "%d", limit);
865
866 mode_changes[mode_count].letter = c;
867 mode_changes[mode_count].dir = MODE_ADD;
868 mode_changes[mode_count].caps = 0;
869 mode_changes[mode_count].nocaps = 0;
870 mode_changes[mode_count].mems = ALL_MEMBERS;
871 mode_changes[mode_count].id = NULL;
872 mode_changes[mode_count++].arg = limitstr;
873
874 chptr->mode.limit = limit;
875 }
876 else if(dir == MODE_DEL)
877 {
878 if(!chptr->mode.limit)
879 return;
880
881 chptr->mode.limit = 0;
882
883 mode_changes[mode_count].letter = c;
884 mode_changes[mode_count].dir = MODE_DEL;
885 mode_changes[mode_count].caps = 0;
886 mode_changes[mode_count].nocaps = 0;
887 mode_changes[mode_count].mems = ALL_MEMBERS;
888 mode_changes[mode_count].id = NULL;
889 mode_changes[mode_count++].arg = NULL;
890 }
891}
892
893void
894chm_throttle(struct Client *source_p, struct Channel *chptr,
895 int alevel, int parc, int *parn,
896 const char **parv, int *errors, int dir, char c, long mode_type)
897{
898 int joins = 0, timeslice = 0;
899
900 if(alevel != CHFL_CHANOP)
901 {
902 if(!(*errors & SM_ERR_NOOPS))
903 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
904 me.name, source_p->name, chptr->chname);
905 *errors |= SM_ERR_NOOPS;
906 return;
907 }
908
909 if(dir == MODE_QUERY)
910 return;
911
912 if((dir == MODE_ADD) && parc > *parn)
913 {
914 sscanf(parv[(*parn)], "%d:%d", &joins, &timeslice);
915
916 if(!joins || !timeslice)
917 return;
918
919 mode_changes[mode_count].letter = c;
920 mode_changes[mode_count].dir = MODE_ADD;
921 mode_changes[mode_count].caps = 0;
922 mode_changes[mode_count].nocaps = 0;
923 mode_changes[mode_count].mems = ALL_MEMBERS;
924 mode_changes[mode_count].id = NULL;
925 mode_changes[mode_count++].arg = parv[(*parn)];
926
927 (*parn)++;
928
929 chptr->mode.join_num = joins;
930 chptr->mode.join_time = timeslice;
931 }
932 else if(dir == MODE_DEL)
933 {
934 if(!chptr->mode.join_num)
935 return;
936
937 chptr->mode.join_num = 0;
938 chptr->mode.join_time = 0;
939 chptr->join_count = 0;
940 chptr->join_delta = 0;
941
942 mode_changes[mode_count].letter = c;
943 mode_changes[mode_count].dir = MODE_DEL;
944 mode_changes[mode_count].caps = 0;
945 mode_changes[mode_count].nocaps = 0;
946 mode_changes[mode_count].mems = ALL_MEMBERS;
947 mode_changes[mode_count].id = NULL;
948 mode_changes[mode_count++].arg = NULL;
949 }
950}
951
952void
953chm_forward(struct Client *source_p, struct Channel *chptr,
954 int alevel, int parc, int *parn,
955 const char **parv, int *errors, int dir, char c, long mode_type)
956{
957 struct Channel *targptr = NULL;
958 struct membership *msptr;
959 const char *forward;
960
961 /* if +f is disabled, ignore local attempts to set it */
962 if(!ConfigChannel.use_forward && MyClient(source_p) &&
963 (dir == MODE_ADD) && (parc > *parn))
964 return;
965
966 if(dir == MODE_QUERY || (dir == MODE_ADD && parc <= *parn))
967 {
968 if (!(*errors & SM_ERR_RPL_F))
969 {
970 if (*chptr->mode.forward == '\0')
5366977b 971 sendto_one_notice(source_p, ":%s has no forward channel", chptr->chname);
212380e3 972 else
5366977b 973 sendto_one_notice(source_p, ":%s forward channel is %s", chptr->chname, chptr->mode.forward);
212380e3 974 *errors |= SM_ERR_RPL_F;
975 }
976 return;
977 }
978
979#ifndef FORWARD_OPERONLY
980 if(alevel != CHFL_CHANOP)
981 {
982 if(!(*errors & SM_ERR_NOOPS))
983 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
984 me.name, source_p->name, chptr->chname);
985 *errors |= SM_ERR_NOOPS;
986 return;
987 }
988#else
989 if(!IsOper(source_p) && !IsServer(source_p))
990 {
991 if(!(*errors & SM_ERR_NOPRIVS))
992 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
993 *errors |= SM_ERR_NOPRIVS;
994 return;
995 }
996#endif
997
998 if(dir == MODE_ADD && parc > *parn)
999 {
1000 forward = parv[(*parn)];
1001 (*parn)++;
1002
1003 if(EmptyString(forward))
1004 return;
1005 if(!check_channel_name(forward) ||
1006 (MyClient(source_p) && (strlen(forward) > LOC_CHANNELLEN || hash_find_resv(forward))))
1007 {
1008 sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), forward);
1009 return;
1010 }
1011 /* don't forward to inconsistent target -- jilles */
1012 if(chptr->chname[0] == '#' && forward[0] == '&')
1013 {
1014 sendto_one_numeric(source_p, ERR_BADCHANNAME,
1015 form_str(ERR_BADCHANNAME), forward);
1016 return;
1017 }
1018 if(MyClient(source_p) && (targptr = find_channel(forward)) == NULL)
1019 {
1020 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
1021 form_str(ERR_NOSUCHCHANNEL), forward);
1022 return;
1023 }
1024 if(MyClient(source_p) && !(targptr->mode.mode & MODE_FREETARGET))
1025 {
1026 if((msptr = find_channel_membership(targptr, source_p)) == NULL ||
1027 get_channel_access(source_p, msptr) != CHFL_CHANOP)
1028 {
1029 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1030 me.name, source_p->name, targptr->chname);
1031 return;
1032 }
1033 }
1034
1035 strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
1036
1037 mode_changes[mode_count].letter = c;
1038 mode_changes[mode_count].dir = MODE_ADD;
1039 mode_changes[mode_count].caps = 0;
1040 mode_changes[mode_count].nocaps = 0;
1041 mode_changes[mode_count].mems = ConfigChannel.use_forward ? ALL_MEMBERS : ONLY_SERVERS;
1042 mode_changes[mode_count].id = NULL;
1043 mode_changes[mode_count++].arg = forward;
1044 }
1045 else if(dir == MODE_DEL)
1046 {
1047 if(!(*chptr->mode.forward))
1048 return;
1049
1050 *chptr->mode.forward = '\0';
1051
1052 mode_changes[mode_count].letter = c;
1053 mode_changes[mode_count].dir = MODE_DEL;
1054 mode_changes[mode_count].caps = 0;
1055 mode_changes[mode_count].nocaps = 0;
1056 mode_changes[mode_count].mems = ALL_MEMBERS;
1057 mode_changes[mode_count].id = NULL;
1058 mode_changes[mode_count++].arg = NULL;
1059 }
1060}
1061
1062void
1063chm_key(struct Client *source_p, struct Channel *chptr,
1064 int alevel, int parc, int *parn,
1065 const char **parv, int *errors, int dir, char c, long mode_type)
1066{
1067 char *key;
1068
1069 if(alevel != CHFL_CHANOP)
1070 {
1071 if(!(*errors & SM_ERR_NOOPS))
1072 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1073 me.name, source_p->name, chptr->chname);
1074 *errors |= SM_ERR_NOOPS;
1075 return;
1076 }
1077
1078 if(dir == MODE_QUERY)
1079 return;
1080
1081 if((dir == MODE_ADD) && parc > *parn)
1082 {
1083 key = LOCAL_COPY(parv[(*parn)]);
1084 (*parn)++;
1085
1086 if(MyClient(source_p))
1087 fix_key(key);
1088 else
1089 fix_key_remote(key);
1090
1091 if(EmptyString(key))
1092 return;
1093
1094 s_assert(key[0] != ' ');
1095 strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
1096
1097 mode_changes[mode_count].letter = c;
1098 mode_changes[mode_count].dir = MODE_ADD;
1099 mode_changes[mode_count].caps = 0;
1100 mode_changes[mode_count].nocaps = 0;
1101 mode_changes[mode_count].mems = ALL_MEMBERS;
1102 mode_changes[mode_count].id = NULL;
1103 mode_changes[mode_count++].arg = chptr->mode.key;
1104 }
1105 else if(dir == MODE_DEL)
1106 {
1107 static char splat[] = "*";
1108 int i;
1109
1110 if(parc > *parn)
1111 (*parn)++;
1112
1113 if(!(*chptr->mode.key))
1114 return;
1115
1116 /* hack time. when we get a +k-k mode, the +k arg is
1117 * chptr->mode.key, which the -k sets to \0, so hunt for a
1118 * +k when we get a -k, and set the arg to splat. --anfl
1119 */
1120 for(i = 0; i < mode_count; i++)
1121 {
1122 if(mode_changes[i].letter == 'k' && mode_changes[i].dir == MODE_ADD)
1123 mode_changes[i].arg = splat;
1124 }
1125
1126 *chptr->mode.key = 0;
1127
1128 mode_changes[mode_count].letter = c;
1129 mode_changes[mode_count].dir = MODE_DEL;
1130 mode_changes[mode_count].caps = 0;
1131 mode_changes[mode_count].nocaps = 0;
1132 mode_changes[mode_count].mems = ALL_MEMBERS;
1133 mode_changes[mode_count].id = NULL;
1134 mode_changes[mode_count++].arg = "*";
1135 }
1136}
1137
1138void
1139chm_regonly(struct Client *source_p, struct Channel *chptr,
1140 int alevel, int parc, int *parn,
1141 const char **parv, int *errors, int dir, char c, long mode_type)
1142{
1143 if(alevel != CHFL_CHANOP)
1144 {
1145 if(!(*errors & SM_ERR_NOOPS))
1146 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1147 me.name, source_p->name, chptr->chname);
1148 *errors |= SM_ERR_NOOPS;
1149 return;
1150 }
1151
1152 if(dir == MODE_QUERY)
1153 return;
1154
1155 if(((dir == MODE_ADD) && (chptr->mode.mode & MODE_REGONLY)) ||
1156 ((dir == MODE_DEL) && !(chptr->mode.mode & MODE_REGONLY)))
1157 return;
1158
1159 if(dir == MODE_ADD)
1160 chptr->mode.mode |= MODE_REGONLY;
1161 else
1162 chptr->mode.mode &= ~MODE_REGONLY;
1163
1164 mode_changes[mode_count].letter = c;
1165 mode_changes[mode_count].dir = dir;
1166 mode_changes[mode_count].caps = CAP_SERVICE;
1167 mode_changes[mode_count].nocaps = 0;
1168 mode_changes[mode_count].mems = ALL_MEMBERS;
1169 mode_changes[mode_count].id = NULL;
1170 mode_changes[mode_count++].arg = NULL;
1171}
1172
1173/* *INDENT-OFF* */
1174struct ChannelMode chmode_table[256] =
1175{
1176 {chm_nosuch, 0 }, /* 0x00 */
1177 {chm_nosuch, 0 }, /* 0x01 */
1178 {chm_nosuch, 0 }, /* 0x02 */
1179 {chm_nosuch, 0 }, /* 0x03 */
1180 {chm_nosuch, 0 }, /* 0x04 */
1181 {chm_nosuch, 0 }, /* 0x05 */
1182 {chm_nosuch, 0 }, /* 0x06 */
1183 {chm_nosuch, 0 }, /* 0x07 */
1184 {chm_nosuch, 0 }, /* 0x08 */
1185 {chm_nosuch, 0 }, /* 0x09 */
1186 {chm_nosuch, 0 }, /* 0x0a */
1187 {chm_nosuch, 0 }, /* 0x0b */
1188 {chm_nosuch, 0 }, /* 0x0c */
1189 {chm_nosuch, 0 }, /* 0x0d */
1190 {chm_nosuch, 0 }, /* 0x0e */
1191 {chm_nosuch, 0 }, /* 0x0f */
1192 {chm_nosuch, 0 }, /* 0x10 */
1193 {chm_nosuch, 0 }, /* 0x11 */
1194 {chm_nosuch, 0 }, /* 0x12 */
1195 {chm_nosuch, 0 }, /* 0x13 */
1196 {chm_nosuch, 0 }, /* 0x14 */
1197 {chm_nosuch, 0 }, /* 0x15 */
1198 {chm_nosuch, 0 }, /* 0x16 */
1199 {chm_nosuch, 0 }, /* 0x17 */
1200 {chm_nosuch, 0 }, /* 0x18 */
1201 {chm_nosuch, 0 }, /* 0x19 */
1202 {chm_nosuch, 0 }, /* 0x1a */
1203 {chm_nosuch, 0 }, /* 0x1b */
1204 {chm_nosuch, 0 }, /* 0x1c */
1205 {chm_nosuch, 0 }, /* 0x1d */
1206 {chm_nosuch, 0 }, /* 0x1e */
1207 {chm_nosuch, 0 }, /* 0x1f */
1208 {chm_nosuch, 0 }, /* 0x20 */
1209 {chm_nosuch, 0 }, /* 0x21 */
1210 {chm_nosuch, 0 }, /* 0x22 */
1211 {chm_nosuch, 0 }, /* 0x23 */
1212 {chm_nosuch, 0 }, /* 0x24 */
1213 {chm_nosuch, 0 }, /* 0x25 */
1214 {chm_nosuch, 0 }, /* 0x26 */
1215 {chm_nosuch, 0 }, /* 0x27 */
1216 {chm_nosuch, 0 }, /* 0x28 */
1217 {chm_nosuch, 0 }, /* 0x29 */
1218 {chm_nosuch, 0 }, /* 0x2a */
1219 {chm_nosuch, 0 }, /* 0x2b */
1220 {chm_nosuch, 0 }, /* 0x2c */
1221 {chm_nosuch, 0 }, /* 0x2d */
1222 {chm_nosuch, 0 }, /* 0x2e */
1223 {chm_nosuch, 0 }, /* 0x2f */
1224 {chm_nosuch, 0 }, /* 0x30 */
1225 {chm_nosuch, 0 }, /* 0x31 */
1226 {chm_nosuch, 0 }, /* 0x32 */
1227 {chm_nosuch, 0 }, /* 0x33 */
1228 {chm_nosuch, 0 }, /* 0x34 */
1229 {chm_nosuch, 0 }, /* 0x35 */
1230 {chm_nosuch, 0 }, /* 0x36 */
1231 {chm_nosuch, 0 }, /* 0x37 */
1232 {chm_nosuch, 0 }, /* 0x38 */
1233 {chm_nosuch, 0 }, /* 0x39 */
1234 {chm_nosuch, 0 }, /* 0x3a */
1235 {chm_nosuch, 0 }, /* 0x3b */
1236 {chm_nosuch, 0 }, /* 0x3c */
1237 {chm_nosuch, 0 }, /* 0x3d */
1238 {chm_nosuch, 0 }, /* 0x3e */
1239 {chm_nosuch, 0 }, /* 0x3f */
1240
1241 {chm_nosuch, 0 }, /* @ */
1242 {chm_nosuch, 0 }, /* A */
1243 {chm_nosuch, 0 }, /* B */
1244 {chm_nosuch, 0 }, /* C */
1245 {chm_nosuch, 0 }, /* D */
1246 {chm_nosuch, 0 }, /* E */
1247 {chm_simple, MODE_FREETARGET }, /* F */
1248 {chm_nosuch, 0 }, /* G */
1249 {chm_nosuch, 0 }, /* H */
1250 {chm_ban, CHFL_INVEX }, /* I */
1251 {chm_nosuch, 0 }, /* J */
1252 {chm_nosuch, 0 }, /* K */
1253 {chm_staff, MODE_EXLIMIT }, /* L */
1254 {chm_nosuch, 0 }, /* M */
1255 {chm_nosuch, 0 }, /* N */
1256 {chm_nosuch, 0 }, /* O */
1257 {chm_staff, MODE_PERMANENT }, /* P */
1258 {chm_simple, MODE_DISFORWARD }, /* Q */
1259 {chm_nosuch, 0 }, /* R */
1260 {chm_nosuch, 0 }, /* S */
1261 {chm_nosuch, 0 }, /* T */
1262 {chm_nosuch, 0 }, /* U */
1263 {chm_nosuch, 0 }, /* V */
1264 {chm_nosuch, 0 }, /* W */
1265 {chm_nosuch, 0 }, /* X */
1266 {chm_nosuch, 0 }, /* Y */
1267 {chm_nosuch, 0 }, /* Z */
1268 {chm_nosuch, 0 },
1269 {chm_nosuch, 0 },
1270 {chm_nosuch, 0 },
1271 {chm_nosuch, 0 },
1272 {chm_nosuch, 0 },
1273 {chm_nosuch, 0 },
1274 {chm_nosuch, 0 }, /* a */
1275 {chm_ban, CHFL_BAN }, /* b */
1276 {chm_simple, MODE_NOCOLOR }, /* c */
1277 {chm_nosuch, 0 }, /* d */
1278 {chm_ban, CHFL_EXCEPTION }, /* e */
1279 {chm_forward, 0 }, /* f */
1280 {chm_simple, MODE_FREEINVITE }, /* g */
1281 {chm_nosuch, 0 }, /* h */
1282 {chm_simple, MODE_INVITEONLY }, /* i */
1283 {chm_throttle, 0 }, /* j */
1284 {chm_key, 0 }, /* k */
1285 {chm_limit, 0 }, /* l */
1286 {chm_simple, MODE_MODERATED }, /* m */
1287 {chm_simple, MODE_NOPRIVMSGS }, /* n */
1288 {chm_op, 0 }, /* o */
1289 {chm_simple, MODE_PRIVATE }, /* p */
1290 {chm_ban, CHFL_QUIET }, /* q */
1291 {chm_regonly, 0 }, /* r */
1292 {chm_simple, MODE_SECRET }, /* s */
1293 {chm_simple, MODE_TOPICLIMIT }, /* t */
1294 {chm_nosuch, 0 }, /* u */
1295 {chm_voice, 0 }, /* v */
1296 {chm_nosuch, 0 }, /* w */
1297 {chm_nosuch, 0 }, /* x */
1298 {chm_nosuch, 0 }, /* y */
1299 {chm_simple, MODE_OPMODERATE }, /* z */
1300
1301 {chm_nosuch, 0 }, /* 0x7b */
1302 {chm_nosuch, 0 }, /* 0x7c */
1303 {chm_nosuch, 0 }, /* 0x7d */
1304 {chm_nosuch, 0 }, /* 0x7e */
1305 {chm_nosuch, 0 }, /* 0x7f */
1306
1307 {chm_nosuch, 0 }, /* 0x80 */
1308 {chm_nosuch, 0 }, /* 0x81 */
1309 {chm_nosuch, 0 }, /* 0x82 */
1310 {chm_nosuch, 0 }, /* 0x83 */
1311 {chm_nosuch, 0 }, /* 0x84 */
1312 {chm_nosuch, 0 }, /* 0x85 */
1313 {chm_nosuch, 0 }, /* 0x86 */
1314 {chm_nosuch, 0 }, /* 0x87 */
1315 {chm_nosuch, 0 }, /* 0x88 */
1316 {chm_nosuch, 0 }, /* 0x89 */
1317 {chm_nosuch, 0 }, /* 0x8a */
1318 {chm_nosuch, 0 }, /* 0x8b */
1319 {chm_nosuch, 0 }, /* 0x8c */
1320 {chm_nosuch, 0 }, /* 0x8d */
1321 {chm_nosuch, 0 }, /* 0x8e */
1322 {chm_nosuch, 0 }, /* 0x8f */
1323
1324 {chm_nosuch, 0 }, /* 0x90 */
1325 {chm_nosuch, 0 }, /* 0x91 */
1326 {chm_nosuch, 0 }, /* 0x92 */
1327 {chm_nosuch, 0 }, /* 0x93 */
1328 {chm_nosuch, 0 }, /* 0x94 */
1329 {chm_nosuch, 0 }, /* 0x95 */
1330 {chm_nosuch, 0 }, /* 0x96 */
1331 {chm_nosuch, 0 }, /* 0x97 */
1332 {chm_nosuch, 0 }, /* 0x98 */
1333 {chm_nosuch, 0 }, /* 0x99 */
1334 {chm_nosuch, 0 }, /* 0x9a */
1335 {chm_nosuch, 0 }, /* 0x9b */
1336 {chm_nosuch, 0 }, /* 0x9c */
1337 {chm_nosuch, 0 }, /* 0x9d */
1338 {chm_nosuch, 0 }, /* 0x9e */
1339 {chm_nosuch, 0 }, /* 0x9f */
1340
1341 {chm_nosuch, 0 }, /* 0xa0 */
1342 {chm_nosuch, 0 }, /* 0xa1 */
1343 {chm_nosuch, 0 }, /* 0xa2 */
1344 {chm_nosuch, 0 }, /* 0xa3 */
1345 {chm_nosuch, 0 }, /* 0xa4 */
1346 {chm_nosuch, 0 }, /* 0xa5 */
1347 {chm_nosuch, 0 }, /* 0xa6 */
1348 {chm_nosuch, 0 }, /* 0xa7 */
1349 {chm_nosuch, 0 }, /* 0xa8 */
1350 {chm_nosuch, 0 }, /* 0xa9 */
1351 {chm_nosuch, 0 }, /* 0xaa */
1352 {chm_nosuch, 0 }, /* 0xab */
1353 {chm_nosuch, 0 }, /* 0xac */
1354 {chm_nosuch, 0 }, /* 0xad */
1355 {chm_nosuch, 0 }, /* 0xae */
1356 {chm_nosuch, 0 }, /* 0xaf */
1357
1358 {chm_nosuch, 0 }, /* 0xb0 */
1359 {chm_nosuch, 0 }, /* 0xb1 */
1360 {chm_nosuch, 0 }, /* 0xb2 */
1361 {chm_nosuch, 0 }, /* 0xb3 */
1362 {chm_nosuch, 0 }, /* 0xb4 */
1363 {chm_nosuch, 0 }, /* 0xb5 */
1364 {chm_nosuch, 0 }, /* 0xb6 */
1365 {chm_nosuch, 0 }, /* 0xb7 */
1366 {chm_nosuch, 0 }, /* 0xb8 */
1367 {chm_nosuch, 0 }, /* 0xb9 */
1368 {chm_nosuch, 0 }, /* 0xba */
1369 {chm_nosuch, 0 }, /* 0xbb */
1370 {chm_nosuch, 0 }, /* 0xbc */
1371 {chm_nosuch, 0 }, /* 0xbd */
1372 {chm_nosuch, 0 }, /* 0xbe */
1373 {chm_nosuch, 0 }, /* 0xbf */
1374
1375 {chm_nosuch, 0 }, /* 0xc0 */
1376 {chm_nosuch, 0 }, /* 0xc1 */
1377 {chm_nosuch, 0 }, /* 0xc2 */
1378 {chm_nosuch, 0 }, /* 0xc3 */
1379 {chm_nosuch, 0 }, /* 0xc4 */
1380 {chm_nosuch, 0 }, /* 0xc5 */
1381 {chm_nosuch, 0 }, /* 0xc6 */
1382 {chm_nosuch, 0 }, /* 0xc7 */
1383 {chm_nosuch, 0 }, /* 0xc8 */
1384 {chm_nosuch, 0 }, /* 0xc9 */
1385 {chm_nosuch, 0 }, /* 0xca */
1386 {chm_nosuch, 0 }, /* 0xcb */
1387 {chm_nosuch, 0 }, /* 0xcc */
1388 {chm_nosuch, 0 }, /* 0xcd */
1389 {chm_nosuch, 0 }, /* 0xce */
1390 {chm_nosuch, 0 }, /* 0xcf */
1391
1392 {chm_nosuch, 0 }, /* 0xd0 */
1393 {chm_nosuch, 0 }, /* 0xd1 */
1394 {chm_nosuch, 0 }, /* 0xd2 */
1395 {chm_nosuch, 0 }, /* 0xd3 */
1396 {chm_nosuch, 0 }, /* 0xd4 */
1397 {chm_nosuch, 0 }, /* 0xd5 */
1398 {chm_nosuch, 0 }, /* 0xd6 */
1399 {chm_nosuch, 0 }, /* 0xd7 */
1400 {chm_nosuch, 0 }, /* 0xd8 */
1401 {chm_nosuch, 0 }, /* 0xd9 */
1402 {chm_nosuch, 0 }, /* 0xda */
1403 {chm_nosuch, 0 }, /* 0xdb */
1404 {chm_nosuch, 0 }, /* 0xdc */
1405 {chm_nosuch, 0 }, /* 0xdd */
1406 {chm_nosuch, 0 }, /* 0xde */
1407 {chm_nosuch, 0 }, /* 0xdf */
1408
1409 {chm_nosuch, 0 }, /* 0xe0 */
1410 {chm_nosuch, 0 }, /* 0xe1 */
1411 {chm_nosuch, 0 }, /* 0xe2 */
1412 {chm_nosuch, 0 }, /* 0xe3 */
1413 {chm_nosuch, 0 }, /* 0xe4 */
1414 {chm_nosuch, 0 }, /* 0xe5 */
1415 {chm_nosuch, 0 }, /* 0xe6 */
1416 {chm_nosuch, 0 }, /* 0xe7 */
1417 {chm_nosuch, 0 }, /* 0xe8 */
1418 {chm_nosuch, 0 }, /* 0xe9 */
1419 {chm_nosuch, 0 }, /* 0xea */
1420 {chm_nosuch, 0 }, /* 0xeb */
1421 {chm_nosuch, 0 }, /* 0xec */
1422 {chm_nosuch, 0 }, /* 0xed */
1423 {chm_nosuch, 0 }, /* 0xee */
1424 {chm_nosuch, 0 }, /* 0xef */
1425
1426 {chm_nosuch, 0 }, /* 0xf0 */
1427 {chm_nosuch, 0 }, /* 0xf1 */
1428 {chm_nosuch, 0 }, /* 0xf2 */
1429 {chm_nosuch, 0 }, /* 0xf3 */
1430 {chm_nosuch, 0 }, /* 0xf4 */
1431 {chm_nosuch, 0 }, /* 0xf5 */
1432 {chm_nosuch, 0 }, /* 0xf6 */
1433 {chm_nosuch, 0 }, /* 0xf7 */
1434 {chm_nosuch, 0 }, /* 0xf8 */
1435 {chm_nosuch, 0 }, /* 0xf9 */
1436 {chm_nosuch, 0 }, /* 0xfa */
1437 {chm_nosuch, 0 }, /* 0xfb */
1438 {chm_nosuch, 0 }, /* 0xfc */
1439 {chm_nosuch, 0 }, /* 0xfd */
1440 {chm_nosuch, 0 }, /* 0xfe */
1441 {chm_nosuch, 0 }, /* 0xff */
1442};
1443
1444/* *INDENT-ON* */
1445
1446/* set_channel_mode()
1447 *
1448 * inputs - client, source, channel, membership pointer, params
1449 * output -
1450 * side effects - channel modes/memberships are changed, MODE is issued
1451 *
1452 * Extensively modified to be hotpluggable, 03/09/06 -- nenolod
1453 */
1454void
1455set_channel_mode(struct Client *client_p, struct Client *source_p,
1456 struct Channel *chptr, struct membership *msptr, int parc, const char *parv[])
1457{
1458 static char modebuf[BUFSIZE];
1459 static char parabuf[BUFSIZE];
1460 char *mbuf;
1461 char *pbuf;
1462 int cur_len, mlen, paralen, paracount, arglen, len;
1463 int i, j, flags;
1464 int dir = MODE_ADD;
1465 int parn = 1;
1466 int errors = 0;
1467 int alevel;
1468 const char *ml = parv[0];
1469 char c;
1470 struct Client *fakesource_p;
1471
1472 mask_pos = 0;
1473 mode_count = 0;
1474 mode_limit = 0;
1475
1476 alevel = get_channel_access(source_p, msptr);
1477
1478 /* Hide connecting server on netburst -- jilles */
1479 if (ConfigServerHide.flatten_links && IsServer(source_p) && !has_id(source_p) && !HasSentEob(source_p))
1480 fakesource_p = &me;
1481 else
1482 fakesource_p = source_p;
1483
1484 for(; (c = *ml) != 0; ml++)
1485 {
1486 switch (c)
1487 {
1488 case '+':
1489 dir = MODE_ADD;
1490 break;
1491 case '-':
1492 dir = MODE_DEL;
1493 break;
1494 case '=':
1495 dir = MODE_QUERY;
1496 break;
1497 default:
1498 chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
1499 parc, &parn, parv,
1500 &errors, dir, c,
1501 chmode_table[(unsigned char) c].mode_type);
1502 break;
1503 }
1504 }
1505
1506 /* bail out if we have nothing to do... */
1507 if(!mode_count)
1508 return;
1509
1510 if(IsServer(source_p))
1511 mlen = ircsprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
1512 else
1513 mlen = ircsprintf(modebuf, ":%s!%s@%s MODE %s ",
1514 source_p->name, source_p->username,
1515 source_p->host, chptr->chname);
1516
1517 for(j = 0, flags = ALL_MEMBERS; j < 2; j++, flags = ONLY_CHANOPS)
1518 {
1519 cur_len = mlen;
1520 mbuf = modebuf + mlen;
1521 pbuf = parabuf;
1522 parabuf[0] = '\0';
1523 paracount = paralen = 0;
1524 dir = MODE_QUERY;
1525
1526 for(i = 0; i < mode_count; i++)
1527 {
1528 if(mode_changes[i].letter == 0 || mode_changes[i].mems != flags)
1529 continue;
1530
1531 if(mode_changes[i].arg != NULL)
1532 {
1533 arglen = strlen(mode_changes[i].arg);
1534
1535 if(arglen > MODEBUFLEN - 5)
1536 continue;
1537 }
1538 else
1539 arglen = 0;
1540
1541 /* if we're creeping over MAXMODEPARAMSSERV, or over
1542 * bufsize (4 == +/-,modechar,two spaces) send now.
1543 */
1544 if(mode_changes[i].arg != NULL &&
1545 ((paracount == MAXMODEPARAMSSERV) ||
1546 ((cur_len + paralen + arglen + 4) > (BUFSIZE - 3))))
1547 {
1548 *mbuf = '\0';
1549
1550 if(cur_len > mlen)
1551 sendto_channel_local(flags, chptr, "%s %s", modebuf,
1552 parabuf);
1553 else
1554 continue;
1555
1556 paracount = paralen = 0;
1557 cur_len = mlen;
1558 mbuf = modebuf + mlen;
1559 pbuf = parabuf;
1560 parabuf[0] = '\0';
1561 dir = MODE_QUERY;
1562 }
1563
1564 if(dir != mode_changes[i].dir)
1565 {
1566 *mbuf++ = (mode_changes[i].dir == MODE_ADD) ? '+' : '-';
1567 cur_len++;
1568 dir = mode_changes[i].dir;
1569 }
1570
1571 *mbuf++ = mode_changes[i].letter;
1572 cur_len++;
1573
1574 if(mode_changes[i].arg != NULL)
1575 {
1576 paracount++;
1577 len = ircsprintf(pbuf, "%s ", mode_changes[i].arg);
1578 pbuf += len;
1579 paralen += len;
1580 }
1581 }
1582
1583 if(paralen && parabuf[paralen - 1] == ' ')
1584 parabuf[paralen - 1] = '\0';
1585
1586 *mbuf = '\0';
1587 if(cur_len > mlen)
1588 sendto_channel_local(flags, chptr, "%s %s", modebuf, parabuf);
1589 }
1590
1591 /* only propagate modes originating locally, or if we're hubbing */
1592 if(MyClient(source_p) || dlink_list_length(&serv_list) > 1)
1593 send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
1594}
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