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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,
af81d5a0 68 const char *banid, rb_dlink_list * list, long mode_type);
212380e3 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,
af81d5a0 92 rb_dlink_list * list, long mode_type)
212380e3 93{
94 struct Ban *actualBan;
83294285 95 static char who[USERHOST_REPLYLEN];
212380e3 96 char *realban = LOCAL_COPY(banid);
af81d5a0 97 rb_dlink_node *ptr;
212380e3 98
99 /* dont let local clients overflow the banlist, or set redundant
100 * bans
101 */
102 if(MyClient(source_p))
103 {
af81d5a0 104 if((rb_dlink_list_length(&chptr->banlist) + rb_dlink_list_length(&chptr->exceptlist) + rb_dlink_list_length(&chptr->invexlist) + rb_dlink_list_length(&chptr->quietlist)) >= (chptr->mode.mode & MODE_EXLIMIT ? ConfigChannel.max_bans_large : ConfigChannel.max_bans))
212380e3 105 {
106 sendto_one(source_p, form_str(ERR_BANLISTFULL),
107 me.name, source_p->name, chptr->chname, realban);
108 return 0;
109 }
110
8e69bb4e 111 RB_DLINK_FOREACH(ptr, list->head)
212380e3 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 {
8e69bb4e 121 RB_DLINK_FOREACH(ptr, list->head)
212380e3 122 {
123 actualBan = ptr->data;
124 if(!irccmp(actualBan->banstr, realban))
125 return 0;
126 }
127 }
128
129
130 if(IsPerson(source_p))
38e6acdd 131 rb_sprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
212380e3 132 else
133 strlcpy(who, source_p->name, sizeof(who));
134
135 actualBan = allocate_ban(realban, who);
136 actualBan->when = CurrentTime;
137
af81d5a0 138 rb_dlinkAdd(actualBan, &actualBan->node, list);
212380e3 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
af81d5a0 154del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type)
212380e3 155{
af81d5a0 156 rb_dlink_node *ptr;
212380e3 157 struct Ban *banptr;
158
159 if(EmptyString(banid))
160 return 0;
161
8e69bb4e 162 RB_DLINK_FOREACH(ptr, list->head)
212380e3 163 {
164 banptr = ptr->data;
165
166 if(irccmp(banid, banptr->banstr) == 0)
167 {
af81d5a0 168 rb_dlinkDelete(&banptr->node, list);
212380e3 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 {
38e6acdd 242 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s", mask) + 1;
212380e3 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
38e6acdd 312 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
212380e3 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 }
1ef5b430
JT		 452 if(MyClient(source_p) && !IsOperResv(source_p))
453 {
454 if(!(*errors & SM_ERR_NOPRIVS))
455 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
456 source_p->name, "resv");
457 *errors |= SM_ERR_NOPRIVS;
458 return;
459 }
212380e3 460
461 /* setting + */
462 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
463 {
464 chptr->mode.mode |= mode_type;
465
466 mode_changes[mode_count].letter = c;
467 mode_changes[mode_count].dir = MODE_ADD;
468 mode_changes[mode_count].caps = 0;
469 mode_changes[mode_count].nocaps = 0;
470 mode_changes[mode_count].id = NULL;
471 mode_changes[mode_count].mems = ALL_MEMBERS;
472 mode_changes[mode_count++].arg = NULL;
473 }
474 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
475 {
476 chptr->mode.mode &= ~mode_type;
477
478 mode_changes[mode_count].letter = c;
479 mode_changes[mode_count].dir = MODE_DEL;
480 mode_changes[mode_count].caps = 0;
481 mode_changes[mode_count].nocaps = 0;
482 mode_changes[mode_count].mems = ALL_MEMBERS;
483 mode_changes[mode_count].id = NULL;
484 mode_changes[mode_count++].arg = NULL;
485 }
486}
487
488void
489chm_ban(struct Client *source_p, struct Channel *chptr,
490 int alevel, int parc, int *parn,
491 const char **parv, int *errors, int dir, char c, long mode_type)
492{
493 const char *mask;
494 const char *raw_mask;
af81d5a0
WP		 495 rb_dlink_list *list;
496 rb_dlink_node *ptr;
212380e3 497 struct Ban *banptr;
498 int errorval;
499 int rpl_list;
500 int rpl_endlist;
501 int caps;
502 int mems;
503
504 switch (mode_type)
505 {
506 case CHFL_BAN:
507 list = &chptr->banlist;
508 errorval = SM_ERR_RPL_B;
509 rpl_list = RPL_BANLIST;
510 rpl_endlist = RPL_ENDOFBANLIST;
511 mems = ALL_MEMBERS;
512 caps = 0;
513 break;
514
515 case CHFL_EXCEPTION:
516 /* if +e is disabled, allow all but +e locally */
517 if(!ConfigChannel.use_except && MyClient(source_p) &&
518 ((dir == MODE_ADD) && (parc > *parn)))
519 return;
520
521 list = &chptr->exceptlist;
522 errorval = SM_ERR_RPL_E;
523 rpl_list = RPL_EXCEPTLIST;
524 rpl_endlist = RPL_ENDOFEXCEPTLIST;
525 caps = CAP_EX;
526
527 if(ConfigChannel.use_except || (dir == MODE_DEL))
528 mems = ONLY_CHANOPS;
529 else
530 mems = ONLY_SERVERS;
531 break;
532
533 case CHFL_INVEX:
534 /* if +I is disabled, allow all but +I locally */
535 if(!ConfigChannel.use_invex && MyClient(source_p) &&
536 (dir == MODE_ADD) && (parc > *parn))
537 return;
538
539 list = &chptr->invexlist;
540 errorval = SM_ERR_RPL_I;
541 rpl_list = RPL_INVITELIST;
542 rpl_endlist = RPL_ENDOFINVITELIST;
543 caps = CAP_IE;
544
545 if(ConfigChannel.use_invex || (dir == MODE_DEL))
546 mems = ONLY_CHANOPS;
547 else
548 mems = ONLY_SERVERS;
549 break;
550
551 case CHFL_QUIET:
552 list = &chptr->quietlist;
553 errorval = SM_ERR_RPL_Q;
554 rpl_list = RPL_BANLIST;
555 rpl_endlist = RPL_ENDOFBANLIST;
556 mems = ALL_MEMBERS;
557 caps = 0;
558 break;
559
560 default:
561 sendto_realops_snomask(SNO_GENERAL, L_ALL, "chm_ban() called with unknown type!");
562 return;
563 break;
564 }
565
566 if(dir == 0 || parc <= *parn)
567 {
568 if((*errors & errorval) != 0)
569 return;
570 *errors |= errorval;
571
572 /* non-ops cant see +eI lists.. */
573 if(alevel != CHFL_CHANOP && mode_type != CHFL_BAN &&
574 mode_type != CHFL_QUIET)
575 {
576 if(!(*errors & SM_ERR_NOOPS))
577 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
578 me.name, source_p->name, chptr->chname);
579 *errors |= SM_ERR_NOOPS;
580 return;
581 }
582
8e69bb4e 583 RB_DLINK_FOREACH(ptr, list->head)
212380e3 584 {
585 banptr = ptr->data;
586 sendto_one(source_p, form_str(rpl_list),
587 me.name, source_p->name, chptr->chname,
588 banptr->banstr, banptr->who, banptr->when);
589 }
11781253 590 if (mode_type == CHFL_QUIET)
591 sendto_one(source_p, ":%s %d %s %s :End of Channel Quiet List", me.name, rpl_endlist, source_p->name, chptr->chname);
592 else
593 sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
212380e3 594 return;
595 }
596
597 if(alevel != CHFL_CHANOP)
598 {
599 if(!(*errors & SM_ERR_NOOPS))
600 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
601 me.name, source_p->name, chptr->chname);
602 *errors |= SM_ERR_NOOPS;
603 return;
604 }
605
606 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
607 return;
608
609 raw_mask = parv[(*parn)];
610 (*parn)++;
611
612 /* empty ban, or starts with ':' which messes up s2s, ignore it */
613 if(EmptyString(raw_mask) || *raw_mask == ':')
614 return;
615
616 if(!MyClient(source_p))
617 {
618 if(strchr(raw_mask, ' '))
619 return;
620
621 mask = raw_mask;
622 }
623 else
624 mask = pretty_mask(raw_mask);
625
83294285 626 /* we'd have problems parsing this, hyb6 does it too
627 * also make sure it will always fit on a line with channel
628 * name etc.
629 */
630 if(strlen(mask) > IRCD_MIN(BANLEN, MODEBUFLEN - 5))
212380e3 631 return;
632
633 /* if we're adding a NEW id */
634 if(dir == MODE_ADD)
635 {
636 if (*mask == '$' && MyClient(source_p))
637 {
638 if (!valid_extban(mask, source_p, chptr, mode_type))
639 /* XXX perhaps return an error message here */
640 return;
641 }
642
643 /* dont allow local clients to overflow the banlist, dont
644 * let remote servers set duplicate bans
645 */
646 if(!add_id(source_p, chptr, mask, list, mode_type))
647 return;
648
649 mode_changes[mode_count].letter = c;
650 mode_changes[mode_count].dir = MODE_ADD;
651 mode_changes[mode_count].caps = caps;
652 mode_changes[mode_count].nocaps = 0;
653 mode_changes[mode_count].mems = mems;
654 mode_changes[mode_count].id = NULL;
655 mode_changes[mode_count++].arg = mask;
656 }
657 else if(dir == MODE_DEL)
658 {
659 if(del_id(chptr, mask, list, mode_type) == 0)
660 {
661 /* mask isn't a valid ban, check raw_mask */
662 if(del_id(chptr, raw_mask, list, mode_type))
663 mask = raw_mask;
664 }
665
666 mode_changes[mode_count].letter = c;
667 mode_changes[mode_count].dir = MODE_DEL;
668 mode_changes[mode_count].caps = caps;
669 mode_changes[mode_count].nocaps = 0;
670 mode_changes[mode_count].mems = mems;
671 mode_changes[mode_count].id = NULL;
672 mode_changes[mode_count++].arg = mask;
673 }
674}
675
676void
677chm_op(struct Client *source_p, struct Channel *chptr,
678 int alevel, int parc, int *parn,
679 const char **parv, int *errors, int dir, char c, long mode_type)
680{
681 struct membership *mstptr;
682 const char *opnick;
683 struct Client *targ_p;
684
685 if(alevel != CHFL_CHANOP)
686 {
687 if(!(*errors & SM_ERR_NOOPS))
688 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
689 me.name, source_p->name, chptr->chname);
690 *errors |= SM_ERR_NOOPS;
691 return;
692 }
693
694 if((dir == MODE_QUERY) || (parc <= *parn))
695 return;
696
697 opnick = parv[(*parn)];
698 (*parn)++;
699
700 /* empty nick */
701 if(EmptyString(opnick))
702 {
703 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
704 return;
705 }
706
707 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
708 {
709 return;
710 }
711
712 mstptr = find_channel_membership(chptr, targ_p);
713
714 if(mstptr == NULL)
715 {
716 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
717 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
718 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
719 *errors |= SM_ERR_NOTONCHANNEL;
720 return;
721 }
722
723 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
724 return;
725
726 if(dir == MODE_ADD)
727 {
728 if(targ_p == source_p)
729 return;
730
731 mode_changes[mode_count].letter = c;
732 mode_changes[mode_count].dir = MODE_ADD;
733 mode_changes[mode_count].caps = 0;
734 mode_changes[mode_count].nocaps = 0;
735 mode_changes[mode_count].mems = ALL_MEMBERS;
736 mode_changes[mode_count].id = targ_p->id;
737 mode_changes[mode_count].arg = targ_p->name;
738 mode_changes[mode_count++].client = targ_p;
739
740 mstptr->flags |= CHFL_CHANOP;
212380e3 741 }
742 else
743 {
744 if(MyClient(source_p) && IsService(targ_p))
745 {
746 sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
747 me.name, source_p->name, targ_p->name, chptr->chname);
748 return;
749 }
750
751 mode_changes[mode_count].letter = c;
752 mode_changes[mode_count].dir = MODE_DEL;
753 mode_changes[mode_count].caps = 0;
754 mode_changes[mode_count].nocaps = 0;
755 mode_changes[mode_count].mems = ALL_MEMBERS;
756 mode_changes[mode_count].id = targ_p->id;
757 mode_changes[mode_count].arg = targ_p->name;
758 mode_changes[mode_count++].client = targ_p;
759
760 mstptr->flags &= ~CHFL_CHANOP;
761 }
762}
763
764void
765chm_voice(struct Client *source_p, struct Channel *chptr,
766 int alevel, int parc, int *parn,
767 const char **parv, int *errors, int dir, char c, long mode_type)
768{
769 struct membership *mstptr;
770 const char *opnick;
771 struct Client *targ_p;
772
773 if(alevel != CHFL_CHANOP)
774 {
775 if(!(*errors & SM_ERR_NOOPS))
776 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
777 me.name, source_p->name, chptr->chname);
778 *errors |= SM_ERR_NOOPS;
779 return;
780 }
781
782 if((dir == MODE_QUERY) || parc <= *parn)
783 return;
784
785 opnick = parv[(*parn)];
786 (*parn)++;
787
788 /* empty nick */
789 if(EmptyString(opnick))
790 {
791 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
792 return;
793 }
794
795 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
796 {
797 return;
798 }
799
800 mstptr = find_channel_membership(chptr, targ_p);
801
802 if(mstptr == NULL)
803 {
804 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
805 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
806 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
807 *errors |= SM_ERR_NOTONCHANNEL;
808 return;
809 }
810
811 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
812 return;
813
814 if(dir == MODE_ADD)
815 {
816 mode_changes[mode_count].letter = c;
817 mode_changes[mode_count].dir = MODE_ADD;
818 mode_changes[mode_count].caps = 0;
819 mode_changes[mode_count].nocaps = 0;
820 mode_changes[mode_count].mems = ALL_MEMBERS;
821 mode_changes[mode_count].id = targ_p->id;
822 mode_changes[mode_count].arg = targ_p->name;
823 mode_changes[mode_count++].client = targ_p;
824
825 mstptr->flags |= CHFL_VOICE;
826 }
827 else
828 {
829 mode_changes[mode_count].letter = 'v';
830 mode_changes[mode_count].dir = MODE_DEL;
831 mode_changes[mode_count].caps = 0;
832 mode_changes[mode_count].nocaps = 0;
833 mode_changes[mode_count].mems = ALL_MEMBERS;
834 mode_changes[mode_count].id = targ_p->id;
835 mode_changes[mode_count].arg = targ_p->name;
836 mode_changes[mode_count++].client = targ_p;
837
838 mstptr->flags &= ~CHFL_VOICE;
839 }
840}
841
842void
843chm_limit(struct Client *source_p, struct Channel *chptr,
844 int alevel, int parc, int *parn,
845 const char **parv, int *errors, int dir, char c, long mode_type)
846{
847 const char *lstr;
848 static char limitstr[30];
849 int limit;
850
851 if(alevel != CHFL_CHANOP)
852 {
853 if(!(*errors & SM_ERR_NOOPS))
854 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
855 me.name, source_p->name, chptr->chname);
856 *errors |= SM_ERR_NOOPS;
857 return;
858 }
859
860 if(dir == MODE_QUERY)
861 return;
862
863 if((dir == MODE_ADD) && parc > *parn)
864 {
865 lstr = parv[(*parn)];
866 (*parn)++;
867
868 if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
869 return;
870
38e6acdd 871 rb_sprintf(limitstr, "%d", limit);
212380e3 872
873 mode_changes[mode_count].letter = c;
874 mode_changes[mode_count].dir = MODE_ADD;
875 mode_changes[mode_count].caps = 0;
876 mode_changes[mode_count].nocaps = 0;
877 mode_changes[mode_count].mems = ALL_MEMBERS;
878 mode_changes[mode_count].id = NULL;
879 mode_changes[mode_count++].arg = limitstr;
880
881 chptr->mode.limit = limit;
882 }
883 else if(dir == MODE_DEL)
884 {
885 if(!chptr->mode.limit)
886 return;
887
888 chptr->mode.limit = 0;
889
890 mode_changes[mode_count].letter = c;
891 mode_changes[mode_count].dir = MODE_DEL;
892 mode_changes[mode_count].caps = 0;
893 mode_changes[mode_count].nocaps = 0;
894 mode_changes[mode_count].mems = ALL_MEMBERS;
895 mode_changes[mode_count].id = NULL;
896 mode_changes[mode_count++].arg = NULL;
897 }
898}
899
900void
901chm_throttle(struct Client *source_p, struct Channel *chptr,
902 int alevel, int parc, int *parn,
903 const char **parv, int *errors, int dir, char c, long mode_type)
904{
905 int joins = 0, timeslice = 0;
906
907 if(alevel != CHFL_CHANOP)
908 {
909 if(!(*errors & SM_ERR_NOOPS))
910 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
911 me.name, source_p->name, chptr->chname);
912 *errors |= SM_ERR_NOOPS;
913 return;
914 }
915
916 if(dir == MODE_QUERY)
917 return;
918
919 if((dir == MODE_ADD) && parc > *parn)
920 {
921 sscanf(parv[(*parn)], "%d:%d", &joins, &timeslice);
922
923 if(!joins || !timeslice)
924 return;
925
926 mode_changes[mode_count].letter = c;
927 mode_changes[mode_count].dir = MODE_ADD;
928 mode_changes[mode_count].caps = 0;
929 mode_changes[mode_count].nocaps = 0;
930 mode_changes[mode_count].mems = ALL_MEMBERS;
931 mode_changes[mode_count].id = NULL;
932 mode_changes[mode_count++].arg = parv[(*parn)];
933
934 (*parn)++;
935
936 chptr->mode.join_num = joins;
937 chptr->mode.join_time = timeslice;
938 }
939 else if(dir == MODE_DEL)
940 {
941 if(!chptr->mode.join_num)
942 return;
943
944 chptr->mode.join_num = 0;
945 chptr->mode.join_time = 0;
946 chptr->join_count = 0;
947 chptr->join_delta = 0;
948
949 mode_changes[mode_count].letter = c;
950 mode_changes[mode_count].dir = MODE_DEL;
951 mode_changes[mode_count].caps = 0;
952 mode_changes[mode_count].nocaps = 0;
953 mode_changes[mode_count].mems = ALL_MEMBERS;
954 mode_changes[mode_count].id = NULL;
955 mode_changes[mode_count++].arg = NULL;
956 }
957}
958
959void
960chm_forward(struct Client *source_p, struct Channel *chptr,
961 int alevel, int parc, int *parn,
962 const char **parv, int *errors, int dir, char c, long mode_type)
963{
964 struct Channel *targptr = NULL;
965 struct membership *msptr;
966 const char *forward;
967
968 /* if +f is disabled, ignore local attempts to set it */
969 if(!ConfigChannel.use_forward && MyClient(source_p) &&
970 (dir == MODE_ADD) && (parc > *parn))
971 return;
972
973 if(dir == MODE_QUERY || (dir == MODE_ADD && parc <= *parn))
974 {
975 if (!(*errors & SM_ERR_RPL_F))
976 {
977 if (*chptr->mode.forward == '\0')
5366977b 978 sendto_one_notice(source_p, ":%s has no forward channel", chptr->chname);
212380e3 979 else
5366977b 980 sendto_one_notice(source_p, ":%s forward channel is %s", chptr->chname, chptr->mode.forward);
212380e3 981 *errors |= SM_ERR_RPL_F;
982 }
983 return;
984 }
985
986#ifndef FORWARD_OPERONLY
987 if(alevel != CHFL_CHANOP)
988 {
989 if(!(*errors & SM_ERR_NOOPS))
990 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
991 me.name, source_p->name, chptr->chname);
992 *errors |= SM_ERR_NOOPS;
993 return;
994 }
995#else
996 if(!IsOper(source_p) && !IsServer(source_p))
997 {
998 if(!(*errors & SM_ERR_NOPRIVS))
999 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
1000 *errors |= SM_ERR_NOPRIVS;
1001 return;
1002 }
1003#endif
1004
1005 if(dir == MODE_ADD && parc > *parn)
1006 {
1007 forward = parv[(*parn)];
1008 (*parn)++;
1009
1010 if(EmptyString(forward))
1011 return;
1012 if(!check_channel_name(forward) ||
1013 (MyClient(source_p) && (strlen(forward) > LOC_CHANNELLEN || hash_find_resv(forward))))
1014 {
1015 sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), forward);
1016 return;
1017 }
1018 /* don't forward to inconsistent target -- jilles */
1019 if(chptr->chname[0] == '#' && forward[0] == '&')
1020 {
1021 sendto_one_numeric(source_p, ERR_BADCHANNAME,
1022 form_str(ERR_BADCHANNAME), forward);
1023 return;
1024 }
1025 if(MyClient(source_p) && (targptr = find_channel(forward)) == NULL)
1026 {
1027 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
1028 form_str(ERR_NOSUCHCHANNEL), forward);
1029 return;
1030 }
1031 if(MyClient(source_p) && !(targptr->mode.mode & MODE_FREETARGET))
1032 {
1033 if((msptr = find_channel_membership(targptr, source_p)) == NULL ||
1034 get_channel_access(source_p, msptr) != CHFL_CHANOP)
1035 {
1036 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1037 me.name, source_p->name, targptr->chname);
1038 return;
1039 }
1040 }
1041
1042 strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
1043
1044 mode_changes[mode_count].letter = c;
1045 mode_changes[mode_count].dir = MODE_ADD;
1046 mode_changes[mode_count].caps = 0;
1047 mode_changes[mode_count].nocaps = 0;
1048 mode_changes[mode_count].mems = ConfigChannel.use_forward ? ALL_MEMBERS : ONLY_SERVERS;
1049 mode_changes[mode_count].id = NULL;
1050 mode_changes[mode_count++].arg = forward;
1051 }
1052 else if(dir == MODE_DEL)
1053 {
1054 if(!(*chptr->mode.forward))
1055 return;
1056
1057 *chptr->mode.forward = '\0';
1058
1059 mode_changes[mode_count].letter = c;
1060 mode_changes[mode_count].dir = MODE_DEL;
1061 mode_changes[mode_count].caps = 0;
1062 mode_changes[mode_count].nocaps = 0;
1063 mode_changes[mode_count].mems = ALL_MEMBERS;
1064 mode_changes[mode_count].id = NULL;
1065 mode_changes[mode_count++].arg = NULL;
1066 }
1067}
1068
1069void
1070chm_key(struct Client *source_p, struct Channel *chptr,
1071 int alevel, int parc, int *parn,
1072 const char **parv, int *errors, int dir, char c, long mode_type)
1073{
1074 char *key;
1075
1076 if(alevel != CHFL_CHANOP)
1077 {
1078 if(!(*errors & SM_ERR_NOOPS))
1079 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1080 me.name, source_p->name, chptr->chname);
1081 *errors |= SM_ERR_NOOPS;
1082 return;
1083 }
1084
1085 if(dir == MODE_QUERY)
1086 return;
1087
1088 if((dir == MODE_ADD) && parc > *parn)
1089 {
1090 key = LOCAL_COPY(parv[(*parn)]);
1091 (*parn)++;
1092
1093 if(MyClient(source_p))
1094 fix_key(key);
1095 else
1096 fix_key_remote(key);
1097
1098 if(EmptyString(key))
1099 return;
1100
1101 s_assert(key[0] != ' ');
1102 strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
1103
1104 mode_changes[mode_count].letter = c;
1105 mode_changes[mode_count].dir = MODE_ADD;
1106 mode_changes[mode_count].caps = 0;
1107 mode_changes[mode_count].nocaps = 0;
1108 mode_changes[mode_count].mems = ALL_MEMBERS;
1109 mode_changes[mode_count].id = NULL;
1110 mode_changes[mode_count++].arg = chptr->mode.key;
1111 }
1112 else if(dir == MODE_DEL)
1113 {
1114 static char splat[] = "*";
1115 int i;
1116
1117 if(parc > *parn)
1118 (*parn)++;
1119
1120 if(!(*chptr->mode.key))
1121 return;
1122
1123 /* hack time. when we get a +k-k mode, the +k arg is
1124 * chptr->mode.key, which the -k sets to \0, so hunt for a
1125 * +k when we get a -k, and set the arg to splat. --anfl
1126 */
1127 for(i = 0; i < mode_count; i++)
1128 {
1129 if(mode_changes[i].letter == 'k' && mode_changes[i].dir == MODE_ADD)
1130 mode_changes[i].arg = splat;
1131 }
1132
1133 *chptr->mode.key = 0;
1134
1135 mode_changes[mode_count].letter = c;
1136 mode_changes[mode_count].dir = MODE_DEL;
1137 mode_changes[mode_count].caps = 0;
1138 mode_changes[mode_count].nocaps = 0;
1139 mode_changes[mode_count].mems = ALL_MEMBERS;
1140 mode_changes[mode_count].id = NULL;
1141 mode_changes[mode_count++].arg = "*";
1142 }
1143}
1144
1145void
1146chm_regonly(struct Client *source_p, struct Channel *chptr,
1147 int alevel, int parc, int *parn,
1148 const char **parv, int *errors, int dir, char c, long mode_type)
1149{
1150 if(alevel != CHFL_CHANOP)
1151 {
1152 if(!(*errors & SM_ERR_NOOPS))
1153 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1154 me.name, source_p->name, chptr->chname);
1155 *errors |= SM_ERR_NOOPS;
1156 return;
1157 }
1158
1159 if(dir == MODE_QUERY)
1160 return;
1161
1162 if(((dir == MODE_ADD) && (chptr->mode.mode & MODE_REGONLY)) ||
1163 ((dir == MODE_DEL) && !(chptr->mode.mode & MODE_REGONLY)))
1164 return;
1165
1166 if(dir == MODE_ADD)
1167 chptr->mode.mode |= MODE_REGONLY;
1168 else
1169 chptr->mode.mode &= ~MODE_REGONLY;
1170
1171 mode_changes[mode_count].letter = c;
1172 mode_changes[mode_count].dir = dir;
1173 mode_changes[mode_count].caps = CAP_SERVICE;
1174 mode_changes[mode_count].nocaps = 0;
1175 mode_changes[mode_count].mems = ALL_MEMBERS;
1176 mode_changes[mode_count].id = NULL;
1177 mode_changes[mode_count++].arg = NULL;
1178}
1179
1180/* *INDENT-OFF* */
1181struct ChannelMode chmode_table[256] =
1182{
1183 {chm_nosuch, 0 }, /* 0x00 */
1184 {chm_nosuch, 0 }, /* 0x01 */
1185 {chm_nosuch, 0 }, /* 0x02 */
1186 {chm_nosuch, 0 }, /* 0x03 */
1187 {chm_nosuch, 0 }, /* 0x04 */
1188 {chm_nosuch, 0 }, /* 0x05 */
1189 {chm_nosuch, 0 }, /* 0x06 */
1190 {chm_nosuch, 0 }, /* 0x07 */
1191 {chm_nosuch, 0 }, /* 0x08 */
1192 {chm_nosuch, 0 }, /* 0x09 */
1193 {chm_nosuch, 0 }, /* 0x0a */
1194 {chm_nosuch, 0 }, /* 0x0b */
1195 {chm_nosuch, 0 }, /* 0x0c */
1196 {chm_nosuch, 0 }, /* 0x0d */
1197 {chm_nosuch, 0 }, /* 0x0e */
1198 {chm_nosuch, 0 }, /* 0x0f */
1199 {chm_nosuch, 0 }, /* 0x10 */
1200 {chm_nosuch, 0 }, /* 0x11 */
1201 {chm_nosuch, 0 }, /* 0x12 */
1202 {chm_nosuch, 0 }, /* 0x13 */
1203 {chm_nosuch, 0 }, /* 0x14 */
1204 {chm_nosuch, 0 }, /* 0x15 */
1205 {chm_nosuch, 0 }, /* 0x16 */
1206 {chm_nosuch, 0 }, /* 0x17 */
1207 {chm_nosuch, 0 }, /* 0x18 */
1208 {chm_nosuch, 0 }, /* 0x19 */
1209 {chm_nosuch, 0 }, /* 0x1a */
1210 {chm_nosuch, 0 }, /* 0x1b */
1211 {chm_nosuch, 0 }, /* 0x1c */
1212 {chm_nosuch, 0 }, /* 0x1d */
1213 {chm_nosuch, 0 }, /* 0x1e */
1214 {chm_nosuch, 0 }, /* 0x1f */
1215 {chm_nosuch, 0 }, /* 0x20 */
1216 {chm_nosuch, 0 }, /* 0x21 */
1217 {chm_nosuch, 0 }, /* 0x22 */
1218 {chm_nosuch, 0 }, /* 0x23 */
1219 {chm_nosuch, 0 }, /* 0x24 */
1220 {chm_nosuch, 0 }, /* 0x25 */
1221 {chm_nosuch, 0 }, /* 0x26 */
1222 {chm_nosuch, 0 }, /* 0x27 */
1223 {chm_nosuch, 0 }, /* 0x28 */
1224 {chm_nosuch, 0 }, /* 0x29 */
1225 {chm_nosuch, 0 }, /* 0x2a */
1226 {chm_nosuch, 0 }, /* 0x2b */
1227 {chm_nosuch, 0 }, /* 0x2c */
1228 {chm_nosuch, 0 }, /* 0x2d */
1229 {chm_nosuch, 0 }, /* 0x2e */
1230 {chm_nosuch, 0 }, /* 0x2f */
1231 {chm_nosuch, 0 }, /* 0x30 */
1232 {chm_nosuch, 0 }, /* 0x31 */
1233 {chm_nosuch, 0 }, /* 0x32 */
1234 {chm_nosuch, 0 }, /* 0x33 */
1235 {chm_nosuch, 0 }, /* 0x34 */
1236 {chm_nosuch, 0 }, /* 0x35 */
1237 {chm_nosuch, 0 }, /* 0x36 */
1238 {chm_nosuch, 0 }, /* 0x37 */
1239 {chm_nosuch, 0 }, /* 0x38 */
1240 {chm_nosuch, 0 }, /* 0x39 */
1241 {chm_nosuch, 0 }, /* 0x3a */
1242 {chm_nosuch, 0 }, /* 0x3b */
1243 {chm_nosuch, 0 }, /* 0x3c */
1244 {chm_nosuch, 0 }, /* 0x3d */
1245 {chm_nosuch, 0 }, /* 0x3e */
1246 {chm_nosuch, 0 }, /* 0x3f */
1247
1248 {chm_nosuch, 0 }, /* @ */
1249 {chm_nosuch, 0 }, /* A */
1250 {chm_nosuch, 0 }, /* B */
1251 {chm_nosuch, 0 }, /* C */
1252 {chm_nosuch, 0 }, /* D */
1253 {chm_nosuch, 0 }, /* E */
1254 {chm_simple, MODE_FREETARGET }, /* F */
1255 {chm_nosuch, 0 }, /* G */
1256 {chm_nosuch, 0 }, /* H */
1257 {chm_ban, CHFL_INVEX }, /* I */
1258 {chm_nosuch, 0 }, /* J */
1259 {chm_nosuch, 0 }, /* K */
1260 {chm_staff, MODE_EXLIMIT }, /* L */
1261 {chm_nosuch, 0 }, /* M */
1262 {chm_nosuch, 0 }, /* N */
1263 {chm_nosuch, 0 }, /* O */
1264 {chm_staff, MODE_PERMANENT }, /* P */
1265 {chm_simple, MODE_DISFORWARD }, /* Q */
1266 {chm_nosuch, 0 }, /* R */
1267 {chm_nosuch, 0 }, /* S */
1268 {chm_nosuch, 0 }, /* T */
1269 {chm_nosuch, 0 }, /* U */
1270 {chm_nosuch, 0 }, /* V */
1271 {chm_nosuch, 0 }, /* W */
1272 {chm_nosuch, 0 }, /* X */
1273 {chm_nosuch, 0 }, /* Y */
1274 {chm_nosuch, 0 }, /* Z */
1275 {chm_nosuch, 0 },
1276 {chm_nosuch, 0 },
1277 {chm_nosuch, 0 },
1278 {chm_nosuch, 0 },
1279 {chm_nosuch, 0 },
1280 {chm_nosuch, 0 },
1281 {chm_nosuch, 0 }, /* a */
1282 {chm_ban, CHFL_BAN }, /* b */
1283 {chm_simple, MODE_NOCOLOR }, /* c */
1284 {chm_nosuch, 0 }, /* d */
1285 {chm_ban, CHFL_EXCEPTION }, /* e */
1286 {chm_forward, 0 }, /* f */
1287 {chm_simple, MODE_FREEINVITE }, /* g */
1288 {chm_nosuch, 0 }, /* h */
1289 {chm_simple, MODE_INVITEONLY }, /* i */
1290 {chm_throttle, 0 }, /* j */
1291 {chm_key, 0 }, /* k */
1292 {chm_limit, 0 }, /* l */
1293 {chm_simple, MODE_MODERATED }, /* m */
1294 {chm_simple, MODE_NOPRIVMSGS }, /* n */
1295 {chm_op, 0 }, /* o */
1296 {chm_simple, MODE_PRIVATE }, /* p */
1297 {chm_ban, CHFL_QUIET }, /* q */
1298 {chm_regonly, 0 }, /* r */
1299 {chm_simple, MODE_SECRET }, /* s */
1300 {chm_simple, MODE_TOPICLIMIT }, /* t */
1301 {chm_nosuch, 0 }, /* u */
1302 {chm_voice, 0 }, /* v */
1303 {chm_nosuch, 0 }, /* w */
1304 {chm_nosuch, 0 }, /* x */
1305 {chm_nosuch, 0 }, /* y */
1306 {chm_simple, MODE_OPMODERATE }, /* z */
1307
1308 {chm_nosuch, 0 }, /* 0x7b */
1309 {chm_nosuch, 0 }, /* 0x7c */
1310 {chm_nosuch, 0 }, /* 0x7d */
1311 {chm_nosuch, 0 }, /* 0x7e */
1312 {chm_nosuch, 0 }, /* 0x7f */
1313
1314 {chm_nosuch, 0 }, /* 0x80 */
1315 {chm_nosuch, 0 }, /* 0x81 */
1316 {chm_nosuch, 0 }, /* 0x82 */
1317 {chm_nosuch, 0 }, /* 0x83 */
1318 {chm_nosuch, 0 }, /* 0x84 */
1319 {chm_nosuch, 0 }, /* 0x85 */
1320 {chm_nosuch, 0 }, /* 0x86 */
1321 {chm_nosuch, 0 }, /* 0x87 */
1322 {chm_nosuch, 0 }, /* 0x88 */
1323 {chm_nosuch, 0 }, /* 0x89 */
1324 {chm_nosuch, 0 }, /* 0x8a */
1325 {chm_nosuch, 0 }, /* 0x8b */
1326 {chm_nosuch, 0 }, /* 0x8c */
1327 {chm_nosuch, 0 }, /* 0x8d */
1328 {chm_nosuch, 0 }, /* 0x8e */
1329 {chm_nosuch, 0 }, /* 0x8f */
1330
1331 {chm_nosuch, 0 }, /* 0x90 */
1332 {chm_nosuch, 0 }, /* 0x91 */
1333 {chm_nosuch, 0 }, /* 0x92 */
1334 {chm_nosuch, 0 }, /* 0x93 */
1335 {chm_nosuch, 0 }, /* 0x94 */
1336 {chm_nosuch, 0 }, /* 0x95 */
1337 {chm_nosuch, 0 }, /* 0x96 */
1338 {chm_nosuch, 0 }, /* 0x97 */
1339 {chm_nosuch, 0 }, /* 0x98 */
1340 {chm_nosuch, 0 }, /* 0x99 */
1341 {chm_nosuch, 0 }, /* 0x9a */
1342 {chm_nosuch, 0 }, /* 0x9b */
1343 {chm_nosuch, 0 }, /* 0x9c */
1344 {chm_nosuch, 0 }, /* 0x9d */
1345 {chm_nosuch, 0 }, /* 0x9e */
1346 {chm_nosuch, 0 }, /* 0x9f */
1347
1348 {chm_nosuch, 0 }, /* 0xa0 */
1349 {chm_nosuch, 0 }, /* 0xa1 */
1350 {chm_nosuch, 0 }, /* 0xa2 */
1351 {chm_nosuch, 0 }, /* 0xa3 */
1352 {chm_nosuch, 0 }, /* 0xa4 */
1353 {chm_nosuch, 0 }, /* 0xa5 */
1354 {chm_nosuch, 0 }, /* 0xa6 */
1355 {chm_nosuch, 0 }, /* 0xa7 */
1356 {chm_nosuch, 0 }, /* 0xa8 */
1357 {chm_nosuch, 0 }, /* 0xa9 */
1358 {chm_nosuch, 0 }, /* 0xaa */
1359 {chm_nosuch, 0 }, /* 0xab */
1360 {chm_nosuch, 0 }, /* 0xac */
1361 {chm_nosuch, 0 }, /* 0xad */
1362 {chm_nosuch, 0 }, /* 0xae */
1363 {chm_nosuch, 0 }, /* 0xaf */
1364
1365 {chm_nosuch, 0 }, /* 0xb0 */
1366 {chm_nosuch, 0 }, /* 0xb1 */
1367 {chm_nosuch, 0 }, /* 0xb2 */
1368 {chm_nosuch, 0 }, /* 0xb3 */
1369 {chm_nosuch, 0 }, /* 0xb4 */
1370 {chm_nosuch, 0 }, /* 0xb5 */
1371 {chm_nosuch, 0 }, /* 0xb6 */
1372 {chm_nosuch, 0 }, /* 0xb7 */
1373 {chm_nosuch, 0 }, /* 0xb8 */
1374 {chm_nosuch, 0 }, /* 0xb9 */
1375 {chm_nosuch, 0 }, /* 0xba */
1376 {chm_nosuch, 0 }, /* 0xbb */
1377 {chm_nosuch, 0 }, /* 0xbc */
1378 {chm_nosuch, 0 }, /* 0xbd */
1379 {chm_nosuch, 0 }, /* 0xbe */
1380 {chm_nosuch, 0 }, /* 0xbf */
1381
1382 {chm_nosuch, 0 }, /* 0xc0 */
1383 {chm_nosuch, 0 }, /* 0xc1 */
1384 {chm_nosuch, 0 }, /* 0xc2 */
1385 {chm_nosuch, 0 }, /* 0xc3 */
1386 {chm_nosuch, 0 }, /* 0xc4 */
1387 {chm_nosuch, 0 }, /* 0xc5 */
1388 {chm_nosuch, 0 }, /* 0xc6 */
1389 {chm_nosuch, 0 }, /* 0xc7 */
1390 {chm_nosuch, 0 }, /* 0xc8 */
1391 {chm_nosuch, 0 }, /* 0xc9 */
1392 {chm_nosuch, 0 }, /* 0xca */
1393 {chm_nosuch, 0 }, /* 0xcb */
1394 {chm_nosuch, 0 }, /* 0xcc */
1395 {chm_nosuch, 0 }, /* 0xcd */
1396 {chm_nosuch, 0 }, /* 0xce */
1397 {chm_nosuch, 0 }, /* 0xcf */
1398
1399 {chm_nosuch, 0 }, /* 0xd0 */
1400 {chm_nosuch, 0 }, /* 0xd1 */
1401 {chm_nosuch, 0 }, /* 0xd2 */
1402 {chm_nosuch, 0 }, /* 0xd3 */
1403 {chm_nosuch, 0 }, /* 0xd4 */
1404 {chm_nosuch, 0 }, /* 0xd5 */
1405 {chm_nosuch, 0 }, /* 0xd6 */
1406 {chm_nosuch, 0 }, /* 0xd7 */
1407 {chm_nosuch, 0 }, /* 0xd8 */
1408 {chm_nosuch, 0 }, /* 0xd9 */
1409 {chm_nosuch, 0 }, /* 0xda */
1410 {chm_nosuch, 0 }, /* 0xdb */
1411 {chm_nosuch, 0 }, /* 0xdc */
1412 {chm_nosuch, 0 }, /* 0xdd */
1413 {chm_nosuch, 0 }, /* 0xde */
1414 {chm_nosuch, 0 }, /* 0xdf */
1415
1416 {chm_nosuch, 0 }, /* 0xe0 */
1417 {chm_nosuch, 0 }, /* 0xe1 */
1418 {chm_nosuch, 0 }, /* 0xe2 */
1419 {chm_nosuch, 0 }, /* 0xe3 */
1420 {chm_nosuch, 0 }, /* 0xe4 */
1421 {chm_nosuch, 0 }, /* 0xe5 */
1422 {chm_nosuch, 0 }, /* 0xe6 */
1423 {chm_nosuch, 0 }, /* 0xe7 */
1424 {chm_nosuch, 0 }, /* 0xe8 */
1425 {chm_nosuch, 0 }, /* 0xe9 */
1426 {chm_nosuch, 0 }, /* 0xea */
1427 {chm_nosuch, 0 }, /* 0xeb */
1428 {chm_nosuch, 0 }, /* 0xec */
1429 {chm_nosuch, 0 }, /* 0xed */
1430 {chm_nosuch, 0 }, /* 0xee */
1431 {chm_nosuch, 0 }, /* 0xef */
1432
1433 {chm_nosuch, 0 }, /* 0xf0 */
1434 {chm_nosuch, 0 }, /* 0xf1 */
1435 {chm_nosuch, 0 }, /* 0xf2 */
1436 {chm_nosuch, 0 }, /* 0xf3 */
1437 {chm_nosuch, 0 }, /* 0xf4 */
1438 {chm_nosuch, 0 }, /* 0xf5 */
1439 {chm_nosuch, 0 }, /* 0xf6 */
1440 {chm_nosuch, 0 }, /* 0xf7 */
1441 {chm_nosuch, 0 }, /* 0xf8 */
1442 {chm_nosuch, 0 }, /* 0xf9 */
1443 {chm_nosuch, 0 }, /* 0xfa */
1444 {chm_nosuch, 0 }, /* 0xfb */
1445 {chm_nosuch, 0 }, /* 0xfc */
1446 {chm_nosuch, 0 }, /* 0xfd */
1447 {chm_nosuch, 0 }, /* 0xfe */
1448 {chm_nosuch, 0 }, /* 0xff */
1449};
1450
1451/* *INDENT-ON* */
1452
1453/* set_channel_mode()
1454 *
1455 * inputs - client, source, channel, membership pointer, params
1456 * output -
1457 * side effects - channel modes/memberships are changed, MODE is issued
1458 *
1459 * Extensively modified to be hotpluggable, 03/09/06 -- nenolod
1460 */
1461void
1462set_channel_mode(struct Client *client_p, struct Client *source_p,
1463 struct Channel *chptr, struct membership *msptr, int parc, const char *parv[])
1464{
1465 static char modebuf[BUFSIZE];
1466 static char parabuf[BUFSIZE];
1467 char *mbuf;
1468 char *pbuf;
1469 int cur_len, mlen, paralen, paracount, arglen, len;
1470 int i, j, flags;
1471 int dir = MODE_ADD;
1472 int parn = 1;
1473 int errors = 0;
1474 int alevel;
1475 const char *ml = parv[0];
1476 char c;
1477 struct Client *fakesource_p;
1478
1479 mask_pos = 0;
1480 mode_count = 0;
1481 mode_limit = 0;
1482
1483 alevel = get_channel_access(source_p, msptr);
1484
1485 /* Hide connecting server on netburst -- jilles */
1486 if (ConfigServerHide.flatten_links && IsServer(source_p) && !has_id(source_p) && !HasSentEob(source_p))
1487 fakesource_p = &me;
1488 else
1489 fakesource_p = source_p;
1490
1491 for(; (c = *ml) != 0; ml++)
1492 {
1493 switch (c)
1494 {
1495 case '+':
1496 dir = MODE_ADD;
1497 break;
1498 case '-':
1499 dir = MODE_DEL;
1500 break;
1501 case '=':
1502 dir = MODE_QUERY;
1503 break;
1504 default:
1505 chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
1506 parc, &parn, parv,
1507 &errors, dir, c,
1508 chmode_table[(unsigned char) c].mode_type);
1509 break;
1510 }
1511 }
1512
1513 /* bail out if we have nothing to do... */
1514 if(!mode_count)
1515 return;
1516
1517 if(IsServer(source_p))
38e6acdd 1518 mlen = rb_sprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
212380e3 1519 else
38e6acdd 1520 mlen = rb_sprintf(modebuf, ":%s!%s@%s MODE %s ",
212380e3 1521 source_p->name, source_p->username,
1522 source_p->host, chptr->chname);
1523
1524 for(j = 0, flags = ALL_MEMBERS; j < 2; j++, flags = ONLY_CHANOPS)
1525 {
1526 cur_len = mlen;
1527 mbuf = modebuf + mlen;
1528 pbuf = parabuf;
1529 parabuf[0] = '\0';
1530 paracount = paralen = 0;
1531 dir = MODE_QUERY;
1532
1533 for(i = 0; i < mode_count; i++)
1534 {
1535 if(mode_changes[i].letter == 0 || mode_changes[i].mems != flags)
1536 continue;
1537
1538 if(mode_changes[i].arg != NULL)
1539 {
1540 arglen = strlen(mode_changes[i].arg);
1541
1542 if(arglen > MODEBUFLEN - 5)
1543 continue;
1544 }
1545 else
1546 arglen = 0;
1547
1548 /* if we're creeping over MAXMODEPARAMSSERV, or over
1549 * bufsize (4 == +/-,modechar,two spaces) send now.
1550 */
1551 if(mode_changes[i].arg != NULL &&
1552 ((paracount == MAXMODEPARAMSSERV) ||
1553 ((cur_len + paralen + arglen + 4) > (BUFSIZE - 3))))
1554 {
1555 *mbuf = '\0';
1556
1557 if(cur_len > mlen)
1558 sendto_channel_local(flags, chptr, "%s %s", modebuf,
1559 parabuf);
1560 else
1561 continue;
1562
1563 paracount = paralen = 0;
1564 cur_len = mlen;
1565 mbuf = modebuf + mlen;
1566 pbuf = parabuf;
1567 parabuf[0] = '\0';
1568 dir = MODE_QUERY;
1569 }
1570
1571 if(dir != mode_changes[i].dir)
1572 {
1573 *mbuf++ = (mode_changes[i].dir == MODE_ADD) ? '+' : '-';
1574 cur_len++;
1575 dir = mode_changes[i].dir;
1576 }
1577
1578 *mbuf++ = mode_changes[i].letter;
1579 cur_len++;
1580
1581 if(mode_changes[i].arg != NULL)
1582 {
1583 paracount++;
38e6acdd 1584 len = rb_sprintf(pbuf, "%s ", mode_changes[i].arg);
212380e3 1585 pbuf += len;
1586 paralen += len;
1587 }
1588 }
1589
1590 if(paralen && parabuf[paralen - 1] == ' ')
1591 parabuf[paralen - 1] = '\0';
1592
1593 *mbuf = '\0';
1594 if(cur_len > mlen)
1595 sendto_channel_local(flags, chptr, "%s %s", modebuf, parabuf);
1596 }
1597
1598 /* only propagate modes originating locally, or if we're hubbing */
af81d5a0 1599 if(MyClient(source_p) || rb_dlink_list_length(&serv_list) > 1)
212380e3 1600 send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
1601}
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