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[irc/rqf/shadowircd.git] / src / chmode.c
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 *
25 * $Id: chmode.c 3580 2007-11-07 23:45:14Z jilles $
26 */
27
28 #include "stdinc.h"
29 #include "channel.h"
30 #include "client.h"
31 #include "common.h"
32 #include "hash.h"
33 #include "hook.h"
34 #include "match.h"
35 #include "ircd.h"
36 #include "numeric.h"
37 #include "s_serv.h" /* captab */
38 #include "s_user.h"
39 #include "send.h"
40 #include "whowas.h"
41 #include "s_conf.h" /* ConfigFileEntry, ConfigChannel */
42 #include "s_newconf.h"
43 #include "logger.h"
44 #include "chmode.h"
45
46 /* bitmasks for error returns, so we send once per call */
47 #define SM_ERR_NOTS 0x00000001 /* No TS on channel */
48 #define SM_ERR_NOOPS 0x00000002 /* No chan ops */
49 #define SM_ERR_UNKNOWN 0x00000004
50 #define SM_ERR_RPL_C 0x00000008
51 #define SM_ERR_RPL_B 0x00000010
52 #define SM_ERR_RPL_E 0x00000020
53 #define SM_ERR_NOTONCHANNEL 0x00000040 /* Not on channel */
54 #define SM_ERR_RPL_I 0x00000100
55 #define SM_ERR_RPL_D 0x00000200
56 #define SM_ERR_NOPRIVS 0x00000400
57 #define SM_ERR_RPL_Q 0x00000800
58 #define SM_ERR_RPL_F 0x00001000
59
60 #define MAXMODES_SIMPLE 46 /* a-zA-Z except bqeIov */
61
62 static struct ChModeChange mode_changes[BUFSIZE];
63 static int mode_count;
64 static int mode_limit;
65 static int mode_limit_simple;
66 static int mask_pos;
67
68 char cflagsbuf[256];
69 char cflagsmyinfo[256];
70
71 int chmode_flags[256];
72
73 /* OPTIMIZE ME! -- dwr */
74 void
75 construct_noparam_modes(void)
76 {
77 int i;
78 char *ptr = cflagsbuf;
79 char *ptr2 = cflagsmyinfo;
80 static int prev_chmode_flags[256];
81
82 *ptr = '\0';
83 *ptr2 = '\0';
84
85 for(i = 0; i < 256; i++)
86 {
87 if( !(chmode_table[i].set_func == chm_ban) &&
88 !(chmode_table[i].set_func == chm_forward) &&
89 !(chmode_table[i].set_func == chm_throttle) &&
90 !(chmode_table[i].set_func == chm_key) &&
91 !(chmode_table[i].set_func == chm_limit) &&
92 !(chmode_table[i].set_func == chm_op) &&
93 !(chmode_table[i].set_func == chm_voice))
94 {
95 chmode_flags[i] = chmode_table[i].mode_type;
96 }
97 else
98 {
99 chmode_flags[i] = 0;
100 }
101
102 if (prev_chmode_flags[i] != 0 && prev_chmode_flags[i] != chmode_flags[i])
103 {
104 if (chmode_flags[i] == 0)
105 {
106 chmode_table[i].set_func = chm_orphaned;
107 sendto_realops_snomask(SNO_DEBUG, L_ALL, "Cmode +%c is now orphaned", i);
108 }
109 else
110 {
111 sendto_realops_snomask(SNO_DEBUG, L_ALL, "Orphaned cmode +%c is picked up by module", i);
112 }
113 chmode_flags[i] = prev_chmode_flags[i];
114 }
115 else
116 prev_chmode_flags[i] = chmode_flags[i];
117
118 switch (chmode_flags[i])
119 {
120 case MODE_EXLIMIT:
121 case MODE_DISFORWARD:
122 if(ConfigChannel.use_forward)
123 {
124 *ptr++ = (char) i;
125 }
126
127 break;
128 case MODE_REGONLY:
129 if(rb_dlink_list_length(&service_list))
130 {
131 *ptr++ = (char) i;
132 }
133
134 break;
135 default:
136 if(chmode_flags[i] != 0)
137 {
138 *ptr++ = (char) i;
139 }
140 }
141
142 /* Should we leave orphaned check here? -- dwr */
143 if(!(chmode_table[i].set_func == chm_nosuch) && !(chmode_table[i].set_func == chm_orphaned))
144 {
145 *ptr2++ = (char) i;
146 }
147 }
148
149 *ptr++ = '\0';
150 *ptr2++ = '\0';
151 }
152
153 /*
154 * find_umode_slot
155 *
156 * inputs - NONE
157 * outputs - an available cflag bitmask or
158 * 0 if no cflags are available
159 * side effects - NONE
160 */
161 unsigned int
162 find_cflag_slot(void)
163 {
164 unsigned int all_cflags = 0, my_cflag = 0, i;
165
166 for (i = 0; i < 256; i++)
167 all_cflags |= chmode_flags[i];
168
169 for (my_cflag = 1; my_cflag && (all_cflags & my_cflag);
170 my_cflag <<= 1);
171
172 return my_cflag;
173 }
174
175 static int
176 get_channel_access(struct Client *source_p, struct membership *msptr)
177 {
178 if(!MyClient(source_p) || is_chanop(msptr))
179 return CHFL_CHANOP;
180
181 return CHFL_PEON;
182 }
183
184 /* add_id()
185 *
186 * inputs - client, channel, id to add, type
187 * outputs - 0 on failure, 1 on success
188 * side effects - given id is added to the appropriate list
189 */
190 int
191 add_id(struct Client *source_p, struct Channel *chptr, const char *banid,
192 rb_dlink_list * list, long mode_type)
193 {
194 struct Ban *actualBan;
195 static char who[USERHOST_REPLYLEN];
196 char *realban = LOCAL_COPY(banid);
197 rb_dlink_node *ptr;
198
199 /* dont let local clients overflow the banlist, or set redundant
200 * bans
201 */
202 if(MyClient(source_p))
203 {
204 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))
205 {
206 sendto_one(source_p, form_str(ERR_BANLISTFULL),
207 me.name, source_p->name, chptr->chname, realban);
208 return 0;
209 }
210
211 RB_DLINK_FOREACH(ptr, list->head)
212 {
213 actualBan = ptr->data;
214 if(mask_match(actualBan->banstr, realban))
215 return 0;
216 }
217 }
218 /* dont let remotes set duplicates */
219 else
220 {
221 RB_DLINK_FOREACH(ptr, list->head)
222 {
223 actualBan = ptr->data;
224 if(!irccmp(actualBan->banstr, realban))
225 return 0;
226 }
227 }
228
229
230 if(IsPerson(source_p))
231 rb_sprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
232 else
233 rb_strlcpy(who, source_p->name, sizeof(who));
234
235 actualBan = allocate_ban(realban, who);
236 actualBan->when = rb_current_time();
237
238 rb_dlinkAdd(actualBan, &actualBan->node, list);
239
240 /* invalidate the can_send() cache */
241 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
242 chptr->bants++;
243
244 return 1;
245 }
246
247 /* del_id()
248 *
249 * inputs - channel, id to remove, type
250 * outputs - 0 on failure, 1 on success
251 * side effects - given id is removed from the appropriate list
252 */
253 int
254 del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type)
255 {
256 rb_dlink_node *ptr;
257 struct Ban *banptr;
258
259 if(EmptyString(banid))
260 return 0;
261
262 RB_DLINK_FOREACH(ptr, list->head)
263 {
264 banptr = ptr->data;
265
266 if(irccmp(banid, banptr->banstr) == 0)
267 {
268 rb_dlinkDelete(&banptr->node, list);
269 free_ban(banptr);
270
271 /* invalidate the can_send() cache */
272 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
273 chptr->bants++;
274
275 return 1;
276 }
277 }
278
279 return 0;
280 }
281
282 /* check_string()
283 *
284 * input - string to check
285 * output - pointer to 'fixed' string, or "*" if empty
286 * side effects - any white space found becomes \0
287 */
288 static char *
289 check_string(char *s)
290 {
291 char *str = s;
292 static char splat[] = "*";
293 if(!(s && *s))
294 return splat;
295
296 for(; *s; ++s)
297 {
298 if(IsSpace(*s))
299 {
300 *s = '\0';
301 break;
302 }
303 }
304 return str;
305 }
306
307 /* pretty_mask()
308 *
309 * inputs - mask to pretty
310 * outputs - better version of the mask
311 * side effects - mask is chopped to limits, and transformed:
312 * x!y@z => x!y@z
313 * y@z => *!y@z
314 * x!y => x!y@*
315 * x => x!*@*
316 * z.d => *!*@z.d
317 */
318 static char *
319 pretty_mask(const char *idmask)
320 {
321 static char mask_buf[BUFSIZE];
322 int old_mask_pos;
323 char *nick, *user, *host;
324 char splat[] = "*";
325 char *t, *at, *ex;
326 char ne = 0, ue = 0, he = 0; /* save values at nick[NICKLEN], et all */
327 char *mask;
328
329 mask = LOCAL_COPY(idmask);
330 mask = check_string(mask);
331 collapse(mask);
332
333 nick = user = host = splat;
334
335 if((size_t) BUFSIZE - mask_pos < strlen(mask) + 5)
336 return NULL;
337
338 old_mask_pos = mask_pos;
339
340 if (*mask == '$')
341 {
342 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s", mask) + 1;
343 t = mask_buf + old_mask_pos + 1;
344 if (*t == '!')
345 *t = '~';
346 if (*t == '~')
347 t++;
348 *t = ToLower(*t);
349 return mask_buf + old_mask_pos;
350 }
351
352 at = ex = NULL;
353 if((t = strchr(mask, '@')) != NULL)
354 {
355 at = t;
356 *t++ = '\0';
357 if(*t != '\0')
358 host = t;
359
360 if((t = strchr(mask, '!')) != NULL)
361 {
362 ex = t;
363 *t++ = '\0';
364 if(*t != '\0')
365 user = t;
366 if(*mask != '\0')
367 nick = mask;
368 }
369 else
370 {
371 if(*mask != '\0')
372 user = mask;
373 }
374 }
375 else if((t = strchr(mask, '!')) != NULL)
376 {
377 ex = t;
378 *t++ = '\0';
379 if(*mask != '\0')
380 nick = mask;
381 if(*t != '\0')
382 user = t;
383 }
384 else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL)
385 {
386 if(*mask != '\0')
387 host = mask;
388 }
389 else
390 {
391 if(*mask != '\0')
392 nick = mask;
393 }
394
395 /* truncate values to max lengths */
396 if(strlen(nick) > NICKLEN - 1)
397 {
398 ne = nick[NICKLEN - 1];
399 nick[NICKLEN - 1] = '\0';
400 }
401 if(strlen(user) > USERLEN)
402 {
403 ue = user[USERLEN];
404 user[USERLEN] = '\0';
405 }
406 if(strlen(host) > HOSTLEN)
407 {
408 he = host[HOSTLEN];
409 host[HOSTLEN] = '\0';
410 }
411
412 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
413
414 /* restore mask, since we may need to use it again later */
415 if(at)
416 *at = '@';
417 if(ex)
418 *ex = '!';
419 if(ne)
420 nick[NICKLEN - 1] = ne;
421 if(ue)
422 user[USERLEN] = ue;
423 if(he)
424 host[HOSTLEN] = he;
425
426 return mask_buf + old_mask_pos;
427 }
428
429 /* fix_key()
430 *
431 * input - key to fix
432 * output - the same key, fixed
433 * side effects - anything below ascii 13 is discarded, ':' discarded,
434 * high ascii is dropped to lower half of ascii table
435 */
436 static char *
437 fix_key(char *arg)
438 {
439 u_char *s, *t, c;
440
441 for(s = t = (u_char *) arg; (c = *s); s++)
442 {
443 c &= 0x7f;
444 if(c != ':' && c != ',' && c > ' ')
445 *t++ = c;
446 }
447
448 *t = '\0';
449 return arg;
450 }
451
452 /* fix_key_remote()
453 *
454 * input - key to fix
455 * ouput - the same key, fixed
456 * side effects - high ascii dropped to lower half of table,
457 * CR/LF/':' are dropped
458 */
459 static char *
460 fix_key_remote(char *arg)
461 {
462 u_char *s, *t, c;
463
464 for(s = t = (u_char *) arg; (c = *s); s++)
465 {
466 c &= 0x7f;
467 if((c != 0x0a) && (c != ':') && (c != ',') && (c != 0x0d) && (c != ' '))
468 *t++ = c;
469 }
470
471 *t = '\0';
472 return arg;
473 }
474
475 /* chm_*()
476 *
477 * The handlers for each specific mode.
478 */
479 void
480 chm_nosuch(struct Client *source_p, struct Channel *chptr,
481 int alevel, int parc, int *parn,
482 const char **parv, int *errors, int dir, char c, long mode_type)
483 {
484 if(*errors & SM_ERR_UNKNOWN)
485 return;
486 *errors |= SM_ERR_UNKNOWN;
487 sendto_one(source_p, form_str(ERR_UNKNOWNMODE), me.name, source_p->name, c);
488 }
489
490 void
491 chm_simple(struct Client *source_p, struct Channel *chptr,
492 int alevel, int parc, int *parn,
493 const char **parv, int *errors, int dir, char c, long mode_type)
494 {
495 if(alevel != CHFL_CHANOP)
496 {
497 if(!(*errors & SM_ERR_NOOPS))
498 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
499 me.name, source_p->name, chptr->chname);
500 *errors |= SM_ERR_NOOPS;
501 return;
502 }
503
504 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
505 return;
506
507 /* setting + */
508 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
509 {
510 /* if +f is disabled, ignore an attempt to set +QF locally */
511 if(!ConfigChannel.use_forward && MyClient(source_p) &&
512 (c == 'Q' || c == 'F'))
513 return;
514
515 chptr->mode.mode |= mode_type;
516
517 mode_changes[mode_count].letter = c;
518 mode_changes[mode_count].dir = MODE_ADD;
519 mode_changes[mode_count].caps = 0;
520 mode_changes[mode_count].nocaps = 0;
521 mode_changes[mode_count].id = NULL;
522 mode_changes[mode_count].mems = ALL_MEMBERS;
523 mode_changes[mode_count++].arg = NULL;
524 }
525 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
526 {
527 chptr->mode.mode &= ~mode_type;
528
529 mode_changes[mode_count].letter = c;
530 mode_changes[mode_count].dir = MODE_DEL;
531 mode_changes[mode_count].caps = 0;
532 mode_changes[mode_count].nocaps = 0;
533 mode_changes[mode_count].mems = ALL_MEMBERS;
534 mode_changes[mode_count].id = NULL;
535 mode_changes[mode_count++].arg = NULL;
536 }
537 }
538
539 void
540 chm_orphaned(struct Client *source_p, struct Channel *chptr,
541 int alevel, int parc, int *parn,
542 const char **parv, int *errors, int dir, char c, long mode_type)
543 {
544 if(MyClient(source_p))
545 return;
546
547 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
548 {
549 chptr->mode.mode |= mode_type;
550
551 mode_changes[mode_count].letter = c;
552 mode_changes[mode_count].dir = MODE_ADD;
553 mode_changes[mode_count].caps = 0;
554 mode_changes[mode_count].nocaps = 0;
555 mode_changes[mode_count].id = NULL;
556 mode_changes[mode_count].mems = ALL_MEMBERS;
557 mode_changes[mode_count++].arg = NULL;
558 }
559 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
560 {
561 chptr->mode.mode &= ~mode_type;
562
563 mode_changes[mode_count].letter = c;
564 mode_changes[mode_count].dir = MODE_DEL;
565 mode_changes[mode_count].caps = 0;
566 mode_changes[mode_count].nocaps = 0;
567 mode_changes[mode_count].mems = ALL_MEMBERS;
568 mode_changes[mode_count].id = NULL;
569 mode_changes[mode_count++].arg = NULL;
570 }
571 }
572
573 void
574 chm_staff(struct Client *source_p, struct Channel *chptr,
575 int alevel, int parc, int *parn,
576 const char **parv, int *errors, int dir, char c, long mode_type)
577 {
578 if(!IsOper(source_p) && !IsServer(source_p))
579 {
580 if(!(*errors & SM_ERR_NOPRIVS))
581 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
582 *errors |= SM_ERR_NOPRIVS;
583 return;
584 }
585 if(MyClient(source_p) && !IsOperResv(source_p))
586 {
587 if(!(*errors & SM_ERR_NOPRIVS))
588 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
589 source_p->name, "resv");
590 *errors |= SM_ERR_NOPRIVS;
591 return;
592 }
593
594 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
595 return;
596
597 /* setting + */
598 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
599 {
600 chptr->mode.mode |= mode_type;
601
602 mode_changes[mode_count].letter = c;
603 mode_changes[mode_count].dir = MODE_ADD;
604 mode_changes[mode_count].caps = 0;
605 mode_changes[mode_count].nocaps = 0;
606 mode_changes[mode_count].id = NULL;
607 mode_changes[mode_count].mems = ALL_MEMBERS;
608 mode_changes[mode_count++].arg = NULL;
609 }
610 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
611 {
612 chptr->mode.mode &= ~mode_type;
613
614 mode_changes[mode_count].letter = c;
615 mode_changes[mode_count].dir = MODE_DEL;
616 mode_changes[mode_count].caps = 0;
617 mode_changes[mode_count].nocaps = 0;
618 mode_changes[mode_count].mems = ALL_MEMBERS;
619 mode_changes[mode_count].id = NULL;
620 mode_changes[mode_count++].arg = NULL;
621 }
622 }
623
624 void
625 chm_ban(struct Client *source_p, struct Channel *chptr,
626 int alevel, int parc, int *parn,
627 const char **parv, int *errors, int dir, char c, long mode_type)
628 {
629 const char *mask;
630 const char *raw_mask;
631 rb_dlink_list *list;
632 rb_dlink_node *ptr;
633 struct Ban *banptr;
634 int errorval;
635 int rpl_list;
636 int rpl_endlist;
637 int caps;
638 int mems;
639
640 switch (mode_type)
641 {
642 case CHFL_BAN:
643 list = &chptr->banlist;
644 errorval = SM_ERR_RPL_B;
645 rpl_list = RPL_BANLIST;
646 rpl_endlist = RPL_ENDOFBANLIST;
647 mems = ALL_MEMBERS;
648 caps = 0;
649 break;
650
651 case CHFL_EXCEPTION:
652 /* if +e is disabled, allow all but +e locally */
653 if(!ConfigChannel.use_except && MyClient(source_p) &&
654 ((dir == MODE_ADD) && (parc > *parn)))
655 return;
656
657 list = &chptr->exceptlist;
658 errorval = SM_ERR_RPL_E;
659 rpl_list = RPL_EXCEPTLIST;
660 rpl_endlist = RPL_ENDOFEXCEPTLIST;
661 caps = CAP_EX;
662
663 if(ConfigChannel.use_except || (dir == MODE_DEL))
664 mems = ONLY_CHANOPS;
665 else
666 mems = ONLY_SERVERS;
667 break;
668
669 case CHFL_INVEX:
670 /* if +I is disabled, allow all but +I locally */
671 if(!ConfigChannel.use_invex && MyClient(source_p) &&
672 (dir == MODE_ADD) && (parc > *parn))
673 return;
674
675 list = &chptr->invexlist;
676 errorval = SM_ERR_RPL_I;
677 rpl_list = RPL_INVITELIST;
678 rpl_endlist = RPL_ENDOFINVITELIST;
679 caps = CAP_IE;
680
681 if(ConfigChannel.use_invex || (dir == MODE_DEL))
682 mems = ONLY_CHANOPS;
683 else
684 mems = ONLY_SERVERS;
685 break;
686
687 case CHFL_QUIET:
688 list = &chptr->quietlist;
689 errorval = SM_ERR_RPL_Q;
690 rpl_list = RPL_BANLIST;
691 rpl_endlist = RPL_ENDOFBANLIST;
692 mems = ALL_MEMBERS;
693 caps = 0;
694 break;
695
696 default:
697 sendto_realops_snomask(SNO_GENERAL, L_ALL, "chm_ban() called with unknown type!");
698 return;
699 break;
700 }
701
702 if(dir == 0 || parc <= *parn)
703 {
704 if((*errors & errorval) != 0)
705 return;
706 *errors |= errorval;
707
708 /* non-ops cant see +eI lists.. */
709 if(alevel != CHFL_CHANOP && mode_type != CHFL_BAN &&
710 mode_type != CHFL_QUIET)
711 {
712 if(!(*errors & SM_ERR_NOOPS))
713 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
714 me.name, source_p->name, chptr->chname);
715 *errors |= SM_ERR_NOOPS;
716 return;
717 }
718
719 RB_DLINK_FOREACH(ptr, list->head)
720 {
721 banptr = ptr->data;
722 sendto_one(source_p, form_str(rpl_list),
723 me.name, source_p->name, chptr->chname,
724 banptr->banstr, banptr->who, banptr->when);
725 }
726 if (mode_type == CHFL_QUIET)
727 sendto_one(source_p, ":%s %d %s %s :End of Channel Quiet List", me.name, rpl_endlist, source_p->name, chptr->chname);
728 else
729 sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
730 return;
731 }
732
733 if(alevel != CHFL_CHANOP)
734 {
735 if(!(*errors & SM_ERR_NOOPS))
736 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
737 me.name, source_p->name, chptr->chname);
738 *errors |= SM_ERR_NOOPS;
739 return;
740 }
741
742 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
743 return;
744
745 raw_mask = parv[(*parn)];
746 (*parn)++;
747
748 /* empty ban, or starts with ':' which messes up s2s, ignore it */
749 if(EmptyString(raw_mask) || *raw_mask == ':')
750 return;
751
752 if(!MyClient(source_p))
753 {
754 if(strchr(raw_mask, ' '))
755 return;
756
757 mask = raw_mask;
758 }
759 else
760 mask = pretty_mask(raw_mask);
761
762 /* we'd have problems parsing this, hyb6 does it too
763 * also make sure it will always fit on a line with channel
764 * name etc.
765 */
766 if(strlen(mask) > IRCD_MIN(BANLEN, MODEBUFLEN - 5))
767 return;
768
769 /* if we're adding a NEW id */
770 if(dir == MODE_ADD)
771 {
772 if (*mask == '$' && MyClient(source_p))
773 {
774 if (!valid_extban(mask, source_p, chptr, mode_type))
775 /* XXX perhaps return an error message here */
776 return;
777 }
778
779 /* dont allow local clients to overflow the banlist, dont
780 * let remote servers set duplicate bans
781 */
782 if(!add_id(source_p, chptr, mask, list, mode_type))
783 return;
784
785 mode_changes[mode_count].letter = c;
786 mode_changes[mode_count].dir = MODE_ADD;
787 mode_changes[mode_count].caps = caps;
788 mode_changes[mode_count].nocaps = 0;
789 mode_changes[mode_count].mems = mems;
790 mode_changes[mode_count].id = NULL;
791 mode_changes[mode_count++].arg = mask;
792 }
793 else if(dir == MODE_DEL)
794 {
795 if(del_id(chptr, mask, list, mode_type) == 0)
796 {
797 /* mask isn't a valid ban, check raw_mask */
798 if(del_id(chptr, raw_mask, list, mode_type))
799 mask = raw_mask;
800 }
801
802 mode_changes[mode_count].letter = c;
803 mode_changes[mode_count].dir = MODE_DEL;
804 mode_changes[mode_count].caps = caps;
805 mode_changes[mode_count].nocaps = 0;
806 mode_changes[mode_count].mems = mems;
807 mode_changes[mode_count].id = NULL;
808 mode_changes[mode_count++].arg = mask;
809 }
810 }
811
812 void
813 chm_op(struct Client *source_p, struct Channel *chptr,
814 int alevel, int parc, int *parn,
815 const char **parv, int *errors, int dir, char c, long mode_type)
816 {
817 struct membership *mstptr;
818 const char *opnick;
819 struct Client *targ_p;
820
821 if(alevel != CHFL_CHANOP)
822 {
823 if(!(*errors & SM_ERR_NOOPS))
824 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
825 me.name, source_p->name, chptr->chname);
826 *errors |= SM_ERR_NOOPS;
827 return;
828 }
829
830 if((dir == MODE_QUERY) || (parc <= *parn))
831 return;
832
833 opnick = parv[(*parn)];
834 (*parn)++;
835
836 /* empty nick */
837 if(EmptyString(opnick))
838 {
839 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
840 return;
841 }
842
843 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
844 {
845 return;
846 }
847
848 mstptr = find_channel_membership(chptr, targ_p);
849
850 if(mstptr == NULL)
851 {
852 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
853 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
854 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
855 *errors |= SM_ERR_NOTONCHANNEL;
856 return;
857 }
858
859 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
860 return;
861
862 if(dir == MODE_ADD)
863 {
864 if(targ_p == source_p)
865 return;
866
867 mode_changes[mode_count].letter = c;
868 mode_changes[mode_count].dir = MODE_ADD;
869 mode_changes[mode_count].caps = 0;
870 mode_changes[mode_count].nocaps = 0;
871 mode_changes[mode_count].mems = ALL_MEMBERS;
872 mode_changes[mode_count].id = targ_p->id;
873 mode_changes[mode_count].arg = targ_p->name;
874 mode_changes[mode_count++].client = targ_p;
875
876 mstptr->flags |= CHFL_CHANOP;
877 }
878 else
879 {
880 if(MyClient(source_p) && IsService(targ_p))
881 {
882 sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
883 me.name, source_p->name, targ_p->name, chptr->chname);
884 return;
885 }
886
887 mode_changes[mode_count].letter = c;
888 mode_changes[mode_count].dir = MODE_DEL;
889 mode_changes[mode_count].caps = 0;
890 mode_changes[mode_count].nocaps = 0;
891 mode_changes[mode_count].mems = ALL_MEMBERS;
892 mode_changes[mode_count].id = targ_p->id;
893 mode_changes[mode_count].arg = targ_p->name;
894 mode_changes[mode_count++].client = targ_p;
895
896 mstptr->flags &= ~CHFL_CHANOP;
897 }
898 }
899
900 void
901 chm_voice(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 struct membership *mstptr;
906 const char *opnick;
907 struct Client *targ_p;
908
909 if(alevel != CHFL_CHANOP)
910 {
911 if(!(*errors & SM_ERR_NOOPS))
912 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
913 me.name, source_p->name, chptr->chname);
914 *errors |= SM_ERR_NOOPS;
915 return;
916 }
917
918 if((dir == MODE_QUERY) || parc <= *parn)
919 return;
920
921 opnick = parv[(*parn)];
922 (*parn)++;
923
924 /* empty nick */
925 if(EmptyString(opnick))
926 {
927 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
928 return;
929 }
930
931 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
932 {
933 return;
934 }
935
936 mstptr = find_channel_membership(chptr, targ_p);
937
938 if(mstptr == NULL)
939 {
940 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
941 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
942 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
943 *errors |= SM_ERR_NOTONCHANNEL;
944 return;
945 }
946
947 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
948 return;
949
950 if(dir == MODE_ADD)
951 {
952 mode_changes[mode_count].letter = c;
953 mode_changes[mode_count].dir = MODE_ADD;
954 mode_changes[mode_count].caps = 0;
955 mode_changes[mode_count].nocaps = 0;
956 mode_changes[mode_count].mems = ALL_MEMBERS;
957 mode_changes[mode_count].id = targ_p->id;
958 mode_changes[mode_count].arg = targ_p->name;
959 mode_changes[mode_count++].client = targ_p;
960
961 mstptr->flags |= CHFL_VOICE;
962 }
963 else
964 {
965 mode_changes[mode_count].letter = 'v';
966 mode_changes[mode_count].dir = MODE_DEL;
967 mode_changes[mode_count].caps = 0;
968 mode_changes[mode_count].nocaps = 0;
969 mode_changes[mode_count].mems = ALL_MEMBERS;
970 mode_changes[mode_count].id = targ_p->id;
971 mode_changes[mode_count].arg = targ_p->name;
972 mode_changes[mode_count++].client = targ_p;
973
974 mstptr->flags &= ~CHFL_VOICE;
975 }
976 }
977
978 void
979 chm_limit(struct Client *source_p, struct Channel *chptr,
980 int alevel, int parc, int *parn,
981 const char **parv, int *errors, int dir, char c, long mode_type)
982 {
983 const char *lstr;
984 static char limitstr[30];
985 int limit;
986
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
996 if(dir == MODE_QUERY)
997 return;
998
999 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1000 return;
1001
1002 if((dir == MODE_ADD) && parc > *parn)
1003 {
1004 lstr = parv[(*parn)];
1005 (*parn)++;
1006
1007 if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
1008 return;
1009
1010 rb_sprintf(limitstr, "%d", limit);
1011
1012 mode_changes[mode_count].letter = c;
1013 mode_changes[mode_count].dir = MODE_ADD;
1014 mode_changes[mode_count].caps = 0;
1015 mode_changes[mode_count].nocaps = 0;
1016 mode_changes[mode_count].mems = ALL_MEMBERS;
1017 mode_changes[mode_count].id = NULL;
1018 mode_changes[mode_count++].arg = limitstr;
1019
1020 chptr->mode.limit = limit;
1021 }
1022 else if(dir == MODE_DEL)
1023 {
1024 if(!chptr->mode.limit)
1025 return;
1026
1027 chptr->mode.limit = 0;
1028
1029 mode_changes[mode_count].letter = c;
1030 mode_changes[mode_count].dir = MODE_DEL;
1031 mode_changes[mode_count].caps = 0;
1032 mode_changes[mode_count].nocaps = 0;
1033 mode_changes[mode_count].mems = ALL_MEMBERS;
1034 mode_changes[mode_count].id = NULL;
1035 mode_changes[mode_count++].arg = NULL;
1036 }
1037 }
1038
1039 void
1040 chm_throttle(struct Client *source_p, struct Channel *chptr,
1041 int alevel, int parc, int *parn,
1042 const char **parv, int *errors, int dir, char c, long mode_type)
1043 {
1044 int joins = 0, timeslice = 0;
1045
1046 if(alevel != CHFL_CHANOP)
1047 {
1048 if(!(*errors & SM_ERR_NOOPS))
1049 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1050 me.name, source_p->name, chptr->chname);
1051 *errors |= SM_ERR_NOOPS;
1052 return;
1053 }
1054
1055 if(dir == MODE_QUERY)
1056 return;
1057
1058 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1059 return;
1060
1061 if((dir == MODE_ADD) && parc > *parn)
1062 {
1063 sscanf(parv[(*parn)], "%d:%d", &joins, &timeslice);
1064
1065 if(!joins || !timeslice)
1066 return;
1067
1068 mode_changes[mode_count].letter = c;
1069 mode_changes[mode_count].dir = MODE_ADD;
1070 mode_changes[mode_count].caps = 0;
1071 mode_changes[mode_count].nocaps = 0;
1072 mode_changes[mode_count].mems = ALL_MEMBERS;
1073 mode_changes[mode_count].id = NULL;
1074 mode_changes[mode_count++].arg = parv[(*parn)];
1075
1076 (*parn)++;
1077
1078 chptr->mode.join_num = joins;
1079 chptr->mode.join_time = timeslice;
1080 }
1081 else if(dir == MODE_DEL)
1082 {
1083 if(!chptr->mode.join_num)
1084 return;
1085
1086 chptr->mode.join_num = 0;
1087 chptr->mode.join_time = 0;
1088 chptr->join_count = 0;
1089 chptr->join_delta = 0;
1090
1091 mode_changes[mode_count].letter = c;
1092 mode_changes[mode_count].dir = MODE_DEL;
1093 mode_changes[mode_count].caps = 0;
1094 mode_changes[mode_count].nocaps = 0;
1095 mode_changes[mode_count].mems = ALL_MEMBERS;
1096 mode_changes[mode_count].id = NULL;
1097 mode_changes[mode_count++].arg = NULL;
1098 }
1099 }
1100
1101 void
1102 chm_forward(struct Client *source_p, struct Channel *chptr,
1103 int alevel, int parc, int *parn,
1104 const char **parv, int *errors, int dir, char c, long mode_type)
1105 {
1106 struct Channel *targptr = NULL;
1107 struct membership *msptr;
1108 const char *forward;
1109
1110 /* if +f is disabled, ignore local attempts to set it */
1111 if(!ConfigChannel.use_forward && MyClient(source_p) &&
1112 (dir == MODE_ADD) && (parc > *parn))
1113 return;
1114
1115 if(dir == MODE_QUERY || (dir == MODE_ADD && parc <= *parn))
1116 {
1117 if (!(*errors & SM_ERR_RPL_F))
1118 {
1119 if (*chptr->mode.forward == '\0')
1120 sendto_one_notice(source_p, ":%s has no forward channel", chptr->chname);
1121 else
1122 sendto_one_notice(source_p, ":%s forward channel is %s", chptr->chname, chptr->mode.forward);
1123 *errors |= SM_ERR_RPL_F;
1124 }
1125 return;
1126 }
1127
1128 #ifndef FORWARD_OPERONLY
1129 if(alevel != CHFL_CHANOP)
1130 {
1131 if(!(*errors & SM_ERR_NOOPS))
1132 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1133 me.name, source_p->name, chptr->chname);
1134 *errors |= SM_ERR_NOOPS;
1135 return;
1136 }
1137 #else
1138 if(!IsOper(source_p) && !IsServer(source_p))
1139 {
1140 if(!(*errors & SM_ERR_NOPRIVS))
1141 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
1142 *errors |= SM_ERR_NOPRIVS;
1143 return;
1144 }
1145 #endif
1146
1147 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1148 return;
1149
1150 if(dir == MODE_ADD && parc > *parn)
1151 {
1152 forward = parv[(*parn)];
1153 (*parn)++;
1154
1155 if(EmptyString(forward))
1156 return;
1157 if(!check_channel_name(forward) ||
1158 (MyClient(source_p) && (strlen(forward) > LOC_CHANNELLEN || hash_find_resv(forward))))
1159 {
1160 sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), forward);
1161 return;
1162 }
1163 /* don't forward to inconsistent target -- jilles */
1164 if(chptr->chname[0] == '#' && forward[0] == '&')
1165 {
1166 sendto_one_numeric(source_p, ERR_BADCHANNAME,
1167 form_str(ERR_BADCHANNAME), forward);
1168 return;
1169 }
1170 if(MyClient(source_p) && (targptr = find_channel(forward)) == NULL)
1171 {
1172 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
1173 form_str(ERR_NOSUCHCHANNEL), forward);
1174 return;
1175 }
1176 if(MyClient(source_p) && !(targptr->mode.mode & MODE_FREETARGET))
1177 {
1178 if((msptr = find_channel_membership(targptr, source_p)) == NULL ||
1179 get_channel_access(source_p, msptr) != CHFL_CHANOP)
1180 {
1181 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1182 me.name, source_p->name, targptr->chname);
1183 return;
1184 }
1185 }
1186
1187 rb_strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
1188
1189 mode_changes[mode_count].letter = c;
1190 mode_changes[mode_count].dir = MODE_ADD;
1191 mode_changes[mode_count].caps = 0;
1192 mode_changes[mode_count].nocaps = 0;
1193 mode_changes[mode_count].mems = ConfigChannel.use_forward ? ALL_MEMBERS : ONLY_SERVERS;
1194 mode_changes[mode_count].id = NULL;
1195 mode_changes[mode_count++].arg = forward;
1196 }
1197 else if(dir == MODE_DEL)
1198 {
1199 if(!(*chptr->mode.forward))
1200 return;
1201
1202 *chptr->mode.forward = '\0';
1203
1204 mode_changes[mode_count].letter = c;
1205 mode_changes[mode_count].dir = MODE_DEL;
1206 mode_changes[mode_count].caps = 0;
1207 mode_changes[mode_count].nocaps = 0;
1208 mode_changes[mode_count].mems = ALL_MEMBERS;
1209 mode_changes[mode_count].id = NULL;
1210 mode_changes[mode_count++].arg = NULL;
1211 }
1212 }
1213
1214 void
1215 chm_key(struct Client *source_p, struct Channel *chptr,
1216 int alevel, int parc, int *parn,
1217 const char **parv, int *errors, int dir, char c, long mode_type)
1218 {
1219 char *key;
1220
1221 if(alevel != CHFL_CHANOP)
1222 {
1223 if(!(*errors & SM_ERR_NOOPS))
1224 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1225 me.name, source_p->name, chptr->chname);
1226 *errors |= SM_ERR_NOOPS;
1227 return;
1228 }
1229
1230 if(dir == MODE_QUERY)
1231 return;
1232
1233 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1234 return;
1235
1236 if((dir == MODE_ADD) && parc > *parn)
1237 {
1238 key = LOCAL_COPY(parv[(*parn)]);
1239 (*parn)++;
1240
1241 if(MyClient(source_p))
1242 fix_key(key);
1243 else
1244 fix_key_remote(key);
1245
1246 if(EmptyString(key))
1247 return;
1248
1249 s_assert(key[0] != ' ');
1250 rb_strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
1251
1252 mode_changes[mode_count].letter = c;
1253 mode_changes[mode_count].dir = MODE_ADD;
1254 mode_changes[mode_count].caps = 0;
1255 mode_changes[mode_count].nocaps = 0;
1256 mode_changes[mode_count].mems = ALL_MEMBERS;
1257 mode_changes[mode_count].id = NULL;
1258 mode_changes[mode_count++].arg = chptr->mode.key;
1259 }
1260 else if(dir == MODE_DEL)
1261 {
1262 static char splat[] = "*";
1263 int i;
1264
1265 if(parc > *parn)
1266 (*parn)++;
1267
1268 if(!(*chptr->mode.key))
1269 return;
1270
1271 /* hack time. when we get a +k-k mode, the +k arg is
1272 * chptr->mode.key, which the -k sets to \0, so hunt for a
1273 * +k when we get a -k, and set the arg to splat. --anfl
1274 */
1275 for(i = 0; i < mode_count; i++)
1276 {
1277 if(mode_changes[i].letter == 'k' && mode_changes[i].dir == MODE_ADD)
1278 mode_changes[i].arg = splat;
1279 }
1280
1281 *chptr->mode.key = 0;
1282
1283 mode_changes[mode_count].letter = c;
1284 mode_changes[mode_count].dir = MODE_DEL;
1285 mode_changes[mode_count].caps = 0;
1286 mode_changes[mode_count].nocaps = 0;
1287 mode_changes[mode_count].mems = ALL_MEMBERS;
1288 mode_changes[mode_count].id = NULL;
1289 mode_changes[mode_count++].arg = "*";
1290 }
1291 }
1292
1293 void
1294 chm_regonly(struct Client *source_p, struct Channel *chptr,
1295 int alevel, int parc, int *parn,
1296 const char **parv, int *errors, int dir, char c, long mode_type)
1297 {
1298 if(alevel != CHFL_CHANOP)
1299 {
1300 if(!(*errors & SM_ERR_NOOPS))
1301 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1302 me.name, source_p->name, chptr->chname);
1303 *errors |= SM_ERR_NOOPS;
1304 return;
1305 }
1306
1307 if(dir == MODE_QUERY)
1308 return;
1309
1310 if(((dir == MODE_ADD) && (chptr->mode.mode & mode_type)) ||
1311 ((dir == MODE_DEL) && !(chptr->mode.mode & mode_type)))
1312 return;
1313
1314 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1315 return;
1316
1317 if(dir == MODE_ADD)
1318 chptr->mode.mode |= mode_type;
1319 else
1320 chptr->mode.mode &= ~mode_type;
1321
1322 mode_changes[mode_count].letter = c;
1323 mode_changes[mode_count].dir = dir;
1324 mode_changes[mode_count].caps = CAP_SERVICE;
1325 mode_changes[mode_count].nocaps = 0;
1326 mode_changes[mode_count].mems = ALL_MEMBERS;
1327 mode_changes[mode_count].id = NULL;
1328 mode_changes[mode_count++].arg = NULL;
1329 }
1330
1331 /* *INDENT-OFF* */
1332 struct ChannelMode chmode_table[256] =
1333 {
1334 {chm_nosuch, 0 }, /* 0x00 */
1335 {chm_nosuch, 0 }, /* 0x01 */
1336 {chm_nosuch, 0 }, /* 0x02 */
1337 {chm_nosuch, 0 }, /* 0x03 */
1338 {chm_nosuch, 0 }, /* 0x04 */
1339 {chm_nosuch, 0 }, /* 0x05 */
1340 {chm_nosuch, 0 }, /* 0x06 */
1341 {chm_nosuch, 0 }, /* 0x07 */
1342 {chm_nosuch, 0 }, /* 0x08 */
1343 {chm_nosuch, 0 }, /* 0x09 */
1344 {chm_nosuch, 0 }, /* 0x0a */
1345 {chm_nosuch, 0 }, /* 0x0b */
1346 {chm_nosuch, 0 }, /* 0x0c */
1347 {chm_nosuch, 0 }, /* 0x0d */
1348 {chm_nosuch, 0 }, /* 0x0e */
1349 {chm_nosuch, 0 }, /* 0x0f */
1350 {chm_nosuch, 0 }, /* 0x10 */
1351 {chm_nosuch, 0 }, /* 0x11 */
1352 {chm_nosuch, 0 }, /* 0x12 */
1353 {chm_nosuch, 0 }, /* 0x13 */
1354 {chm_nosuch, 0 }, /* 0x14 */
1355 {chm_nosuch, 0 }, /* 0x15 */
1356 {chm_nosuch, 0 }, /* 0x16 */
1357 {chm_nosuch, 0 }, /* 0x17 */
1358 {chm_nosuch, 0 }, /* 0x18 */
1359 {chm_nosuch, 0 }, /* 0x19 */
1360 {chm_nosuch, 0 }, /* 0x1a */
1361 {chm_nosuch, 0 }, /* 0x1b */
1362 {chm_nosuch, 0 }, /* 0x1c */
1363 {chm_nosuch, 0 }, /* 0x1d */
1364 {chm_nosuch, 0 }, /* 0x1e */
1365 {chm_nosuch, 0 }, /* 0x1f */
1366 {chm_nosuch, 0 }, /* 0x20 */
1367 {chm_nosuch, 0 }, /* 0x21 */
1368 {chm_nosuch, 0 }, /* 0x22 */
1369 {chm_nosuch, 0 }, /* 0x23 */
1370 {chm_nosuch, 0 }, /* 0x24 */
1371 {chm_nosuch, 0 }, /* 0x25 */
1372 {chm_nosuch, 0 }, /* 0x26 */
1373 {chm_nosuch, 0 }, /* 0x27 */
1374 {chm_nosuch, 0 }, /* 0x28 */
1375 {chm_nosuch, 0 }, /* 0x29 */
1376 {chm_nosuch, 0 }, /* 0x2a */
1377 {chm_nosuch, 0 }, /* 0x2b */
1378 {chm_nosuch, 0 }, /* 0x2c */
1379 {chm_nosuch, 0 }, /* 0x2d */
1380 {chm_nosuch, 0 }, /* 0x2e */
1381 {chm_nosuch, 0 }, /* 0x2f */
1382 {chm_nosuch, 0 }, /* 0x30 */
1383 {chm_nosuch, 0 }, /* 0x31 */
1384 {chm_nosuch, 0 }, /* 0x32 */
1385 {chm_nosuch, 0 }, /* 0x33 */
1386 {chm_nosuch, 0 }, /* 0x34 */
1387 {chm_nosuch, 0 }, /* 0x35 */
1388 {chm_nosuch, 0 }, /* 0x36 */
1389 {chm_nosuch, 0 }, /* 0x37 */
1390 {chm_nosuch, 0 }, /* 0x38 */
1391 {chm_nosuch, 0 }, /* 0x39 */
1392 {chm_nosuch, 0 }, /* 0x3a */
1393 {chm_nosuch, 0 }, /* 0x3b */
1394 {chm_nosuch, 0 }, /* 0x3c */
1395 {chm_nosuch, 0 }, /* 0x3d */
1396 {chm_nosuch, 0 }, /* 0x3e */
1397 {chm_nosuch, 0 }, /* 0x3f */
1398
1399 {chm_nosuch, 0 }, /* @ */
1400 {chm_nosuch, 0 }, /* A */
1401 {chm_nosuch, 0 }, /* B */
1402 {chm_nosuch, 0 }, /* C */
1403 {chm_nosuch, 0 }, /* D */
1404 {chm_nosuch, 0 }, /* E */
1405 {chm_simple, MODE_FREETARGET }, /* F */
1406 {chm_nosuch, 0 }, /* G */
1407 {chm_nosuch, 0 }, /* H */
1408 {chm_ban, CHFL_INVEX }, /* I */
1409 {chm_nosuch, 0 }, /* J */
1410 {chm_nosuch, 0 }, /* K */
1411 {chm_staff, MODE_EXLIMIT }, /* L */
1412 {chm_nosuch, 0 }, /* M */
1413 {chm_nosuch, 0 }, /* N */
1414 {chm_nosuch, 0 }, /* O */
1415 {chm_staff, MODE_PERMANENT }, /* P */
1416 {chm_simple, MODE_DISFORWARD }, /* Q */
1417 {chm_nosuch, 0 }, /* R */
1418 {chm_nosuch, 0 }, /* S */
1419 {chm_nosuch, 0 }, /* T */
1420 {chm_nosuch, 0 }, /* U */
1421 {chm_nosuch, 0 }, /* V */
1422 {chm_nosuch, 0 }, /* W */
1423 {chm_nosuch, 0 }, /* X */
1424 {chm_nosuch, 0 }, /* Y */
1425 {chm_nosuch, 0 }, /* Z */
1426 {chm_nosuch, 0 },
1427 {chm_nosuch, 0 },
1428 {chm_nosuch, 0 },
1429 {chm_nosuch, 0 },
1430 {chm_nosuch, 0 },
1431 {chm_nosuch, 0 },
1432 {chm_nosuch, 0 }, /* a */
1433 {chm_ban, CHFL_BAN }, /* b */
1434 {chm_simple, MODE_NOCOLOR }, /* c */
1435 {chm_nosuch, 0 }, /* d */
1436 {chm_ban, CHFL_EXCEPTION }, /* e */
1437 {chm_forward, 0 }, /* f */
1438 {chm_simple, MODE_FREEINVITE }, /* g */
1439 {chm_nosuch, 0 }, /* h */
1440 {chm_simple, MODE_INVITEONLY }, /* i */
1441 {chm_throttle, 0 }, /* j */
1442 {chm_key, 0 }, /* k */
1443 {chm_limit, 0 }, /* l */
1444 {chm_simple, MODE_MODERATED }, /* m */
1445 {chm_simple, MODE_NOPRIVMSGS }, /* n */
1446 {chm_op, 0 }, /* o */
1447 {chm_simple, MODE_PRIVATE }, /* p */
1448 {chm_ban, CHFL_QUIET }, /* q */
1449 {chm_regonly, MODE_REGONLY }, /* r */
1450 {chm_simple, MODE_SECRET }, /* s */
1451 {chm_simple, MODE_TOPICLIMIT }, /* t */
1452 {chm_nosuch, 0 }, /* u */
1453 {chm_voice, 0 }, /* v */
1454 {chm_nosuch, 0 }, /* w */
1455 {chm_nosuch, 0 }, /* x */
1456 {chm_nosuch, 0 }, /* y */
1457 {chm_simple, MODE_OPMODERATE }, /* z */
1458
1459 {chm_nosuch, 0 }, /* 0x7b */
1460 {chm_nosuch, 0 }, /* 0x7c */
1461 {chm_nosuch, 0 }, /* 0x7d */
1462 {chm_nosuch, 0 }, /* 0x7e */
1463 {chm_nosuch, 0 }, /* 0x7f */
1464
1465 {chm_nosuch, 0 }, /* 0x80 */
1466 {chm_nosuch, 0 }, /* 0x81 */
1467 {chm_nosuch, 0 }, /* 0x82 */
1468 {chm_nosuch, 0 }, /* 0x83 */
1469 {chm_nosuch, 0 }, /* 0x84 */
1470 {chm_nosuch, 0 }, /* 0x85 */
1471 {chm_nosuch, 0 }, /* 0x86 */
1472 {chm_nosuch, 0 }, /* 0x87 */
1473 {chm_nosuch, 0 }, /* 0x88 */
1474 {chm_nosuch, 0 }, /* 0x89 */
1475 {chm_nosuch, 0 }, /* 0x8a */
1476 {chm_nosuch, 0 }, /* 0x8b */
1477 {chm_nosuch, 0 }, /* 0x8c */
1478 {chm_nosuch, 0 }, /* 0x8d */
1479 {chm_nosuch, 0 }, /* 0x8e */
1480 {chm_nosuch, 0 }, /* 0x8f */
1481
1482 {chm_nosuch, 0 }, /* 0x90 */
1483 {chm_nosuch, 0 }, /* 0x91 */
1484 {chm_nosuch, 0 }, /* 0x92 */
1485 {chm_nosuch, 0 }, /* 0x93 */
1486 {chm_nosuch, 0 }, /* 0x94 */
1487 {chm_nosuch, 0 }, /* 0x95 */
1488 {chm_nosuch, 0 }, /* 0x96 */
1489 {chm_nosuch, 0 }, /* 0x97 */
1490 {chm_nosuch, 0 }, /* 0x98 */
1491 {chm_nosuch, 0 }, /* 0x99 */
1492 {chm_nosuch, 0 }, /* 0x9a */
1493 {chm_nosuch, 0 }, /* 0x9b */
1494 {chm_nosuch, 0 }, /* 0x9c */
1495 {chm_nosuch, 0 }, /* 0x9d */
1496 {chm_nosuch, 0 }, /* 0x9e */
1497 {chm_nosuch, 0 }, /* 0x9f */
1498
1499 {chm_nosuch, 0 }, /* 0xa0 */
1500 {chm_nosuch, 0 }, /* 0xa1 */
1501 {chm_nosuch, 0 }, /* 0xa2 */
1502 {chm_nosuch, 0 }, /* 0xa3 */
1503 {chm_nosuch, 0 }, /* 0xa4 */
1504 {chm_nosuch, 0 }, /* 0xa5 */
1505 {chm_nosuch, 0 }, /* 0xa6 */
1506 {chm_nosuch, 0 }, /* 0xa7 */
1507 {chm_nosuch, 0 }, /* 0xa8 */
1508 {chm_nosuch, 0 }, /* 0xa9 */
1509 {chm_nosuch, 0 }, /* 0xaa */
1510 {chm_nosuch, 0 }, /* 0xab */
1511 {chm_nosuch, 0 }, /* 0xac */
1512 {chm_nosuch, 0 }, /* 0xad */
1513 {chm_nosuch, 0 }, /* 0xae */
1514 {chm_nosuch, 0 }, /* 0xaf */
1515
1516 {chm_nosuch, 0 }, /* 0xb0 */
1517 {chm_nosuch, 0 }, /* 0xb1 */
1518 {chm_nosuch, 0 }, /* 0xb2 */
1519 {chm_nosuch, 0 }, /* 0xb3 */
1520 {chm_nosuch, 0 }, /* 0xb4 */
1521 {chm_nosuch, 0 }, /* 0xb5 */
1522 {chm_nosuch, 0 }, /* 0xb6 */
1523 {chm_nosuch, 0 }, /* 0xb7 */
1524 {chm_nosuch, 0 }, /* 0xb8 */
1525 {chm_nosuch, 0 }, /* 0xb9 */
1526 {chm_nosuch, 0 }, /* 0xba */
1527 {chm_nosuch, 0 }, /* 0xbb */
1528 {chm_nosuch, 0 }, /* 0xbc */
1529 {chm_nosuch, 0 }, /* 0xbd */
1530 {chm_nosuch, 0 }, /* 0xbe */
1531 {chm_nosuch, 0 }, /* 0xbf */
1532
1533 {chm_nosuch, 0 }, /* 0xc0 */
1534 {chm_nosuch, 0 }, /* 0xc1 */
1535 {chm_nosuch, 0 }, /* 0xc2 */
1536 {chm_nosuch, 0 }, /* 0xc3 */
1537 {chm_nosuch, 0 }, /* 0xc4 */
1538 {chm_nosuch, 0 }, /* 0xc5 */
1539 {chm_nosuch, 0 }, /* 0xc6 */
1540 {chm_nosuch, 0 }, /* 0xc7 */
1541 {chm_nosuch, 0 }, /* 0xc8 */
1542 {chm_nosuch, 0 }, /* 0xc9 */
1543 {chm_nosuch, 0 }, /* 0xca */
1544 {chm_nosuch, 0 }, /* 0xcb */
1545 {chm_nosuch, 0 }, /* 0xcc */
1546 {chm_nosuch, 0 }, /* 0xcd */
1547 {chm_nosuch, 0 }, /* 0xce */
1548 {chm_nosuch, 0 }, /* 0xcf */
1549
1550 {chm_nosuch, 0 }, /* 0xd0 */
1551 {chm_nosuch, 0 }, /* 0xd1 */
1552 {chm_nosuch, 0 }, /* 0xd2 */
1553 {chm_nosuch, 0 }, /* 0xd3 */
1554 {chm_nosuch, 0 }, /* 0xd4 */
1555 {chm_nosuch, 0 }, /* 0xd5 */
1556 {chm_nosuch, 0 }, /* 0xd6 */
1557 {chm_nosuch, 0 }, /* 0xd7 */
1558 {chm_nosuch, 0 }, /* 0xd8 */
1559 {chm_nosuch, 0 }, /* 0xd9 */
1560 {chm_nosuch, 0 }, /* 0xda */
1561 {chm_nosuch, 0 }, /* 0xdb */
1562 {chm_nosuch, 0 }, /* 0xdc */
1563 {chm_nosuch, 0 }, /* 0xdd */
1564 {chm_nosuch, 0 }, /* 0xde */
1565 {chm_nosuch, 0 }, /* 0xdf */
1566
1567 {chm_nosuch, 0 }, /* 0xe0 */
1568 {chm_nosuch, 0 }, /* 0xe1 */
1569 {chm_nosuch, 0 }, /* 0xe2 */
1570 {chm_nosuch, 0 }, /* 0xe3 */
1571 {chm_nosuch, 0 }, /* 0xe4 */
1572 {chm_nosuch, 0 }, /* 0xe5 */
1573 {chm_nosuch, 0 }, /* 0xe6 */
1574 {chm_nosuch, 0 }, /* 0xe7 */
1575 {chm_nosuch, 0 }, /* 0xe8 */
1576 {chm_nosuch, 0 }, /* 0xe9 */
1577 {chm_nosuch, 0 }, /* 0xea */
1578 {chm_nosuch, 0 }, /* 0xeb */
1579 {chm_nosuch, 0 }, /* 0xec */
1580 {chm_nosuch, 0 }, /* 0xed */
1581 {chm_nosuch, 0 }, /* 0xee */
1582 {chm_nosuch, 0 }, /* 0xef */
1583
1584 {chm_nosuch, 0 }, /* 0xf0 */
1585 {chm_nosuch, 0 }, /* 0xf1 */
1586 {chm_nosuch, 0 }, /* 0xf2 */
1587 {chm_nosuch, 0 }, /* 0xf3 */
1588 {chm_nosuch, 0 }, /* 0xf4 */
1589 {chm_nosuch, 0 }, /* 0xf5 */
1590 {chm_nosuch, 0 }, /* 0xf6 */
1591 {chm_nosuch, 0 }, /* 0xf7 */
1592 {chm_nosuch, 0 }, /* 0xf8 */
1593 {chm_nosuch, 0 }, /* 0xf9 */
1594 {chm_nosuch, 0 }, /* 0xfa */
1595 {chm_nosuch, 0 }, /* 0xfb */
1596 {chm_nosuch, 0 }, /* 0xfc */
1597 {chm_nosuch, 0 }, /* 0xfd */
1598 {chm_nosuch, 0 }, /* 0xfe */
1599 {chm_nosuch, 0 }, /* 0xff */
1600 };
1601
1602 /* *INDENT-ON* */
1603
1604 /* set_channel_mode()
1605 *
1606 * inputs - client, source, channel, membership pointer, params
1607 * output -
1608 * side effects - channel modes/memberships are changed, MODE is issued
1609 *
1610 * Extensively modified to be hotpluggable, 03/09/06 -- nenolod
1611 */
1612 void
1613 set_channel_mode(struct Client *client_p, struct Client *source_p,
1614 struct Channel *chptr, struct membership *msptr, int parc, const char *parv[])
1615 {
1616 static char modebuf[BUFSIZE];
1617 static char parabuf[BUFSIZE];
1618 char *mbuf;
1619 char *pbuf;
1620 int cur_len, mlen, paralen, paracount, arglen, len;
1621 int i, j, flags;
1622 int dir = MODE_ADD;
1623 int parn = 1;
1624 int errors = 0;
1625 int alevel;
1626 const char *ml = parv[0];
1627 char c;
1628 struct Client *fakesource_p;
1629
1630 mask_pos = 0;
1631 mode_count = 0;
1632 mode_limit = 0;
1633 mode_limit_simple = 0;
1634
1635 alevel = get_channel_access(source_p, msptr);
1636
1637 /* Hide connecting server on netburst -- jilles */
1638 if (ConfigServerHide.flatten_links && IsServer(source_p) && !has_id(source_p) && !HasSentEob(source_p))
1639 fakesource_p = &me;
1640 else
1641 fakesource_p = source_p;
1642
1643 for(; (c = *ml) != 0; ml++)
1644 {
1645 switch (c)
1646 {
1647 case '+':
1648 dir = MODE_ADD;
1649 break;
1650 case '-':
1651 dir = MODE_DEL;
1652 break;
1653 case '=':
1654 dir = MODE_QUERY;
1655 break;
1656 default:
1657 chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
1658 parc, &parn, parv,
1659 &errors, dir, c,
1660 chmode_table[(unsigned char) c].mode_type);
1661 break;
1662 }
1663 }
1664
1665 /* bail out if we have nothing to do... */
1666 if(!mode_count)
1667 return;
1668
1669 if(IsServer(source_p))
1670 mlen = rb_sprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
1671 else
1672 mlen = rb_sprintf(modebuf, ":%s!%s@%s MODE %s ",
1673 source_p->name, source_p->username,
1674 source_p->host, chptr->chname);
1675
1676 for(j = 0, flags = ALL_MEMBERS; j < 2; j++, flags = ONLY_CHANOPS)
1677 {
1678 cur_len = mlen;
1679 mbuf = modebuf + mlen;
1680 pbuf = parabuf;
1681 parabuf[0] = '\0';
1682 paracount = paralen = 0;
1683 dir = MODE_QUERY;
1684
1685 for(i = 0; i < mode_count; i++)
1686 {
1687 if(mode_changes[i].letter == 0 || mode_changes[i].mems != flags)
1688 continue;
1689
1690 if(mode_changes[i].arg != NULL)
1691 {
1692 arglen = strlen(mode_changes[i].arg);
1693
1694 if(arglen > MODEBUFLEN - 5)
1695 continue;
1696 }
1697 else
1698 arglen = 0;
1699
1700 /* if we're creeping over MAXMODEPARAMSSERV, or over
1701 * bufsize (4 == +/-,modechar,two spaces) send now.
1702 */
1703 if(mode_changes[i].arg != NULL &&
1704 ((paracount == MAXMODEPARAMSSERV) ||
1705 ((cur_len + paralen + arglen + 4) > (BUFSIZE - 3))))
1706 {
1707 *mbuf = '\0';
1708
1709 if(cur_len > mlen)
1710 sendto_channel_local(flags, chptr, "%s %s", modebuf,
1711 parabuf);
1712 else
1713 continue;
1714
1715 paracount = paralen = 0;
1716 cur_len = mlen;
1717 mbuf = modebuf + mlen;
1718 pbuf = parabuf;
1719 parabuf[0] = '\0';
1720 dir = MODE_QUERY;
1721 }
1722
1723 if(dir != mode_changes[i].dir)
1724 {
1725 *mbuf++ = (mode_changes[i].dir == MODE_ADD) ? '+' : '-';
1726 cur_len++;
1727 dir = mode_changes[i].dir;
1728 }
1729
1730 *mbuf++ = mode_changes[i].letter;
1731 cur_len++;
1732
1733 if(mode_changes[i].arg != NULL)
1734 {
1735 paracount++;
1736 len = rb_sprintf(pbuf, "%s ", mode_changes[i].arg);
1737 pbuf += len;
1738 paralen += len;
1739 }
1740 }
1741
1742 if(paralen && parabuf[paralen - 1] == ' ')
1743 parabuf[paralen - 1] = '\0';
1744
1745 *mbuf = '\0';
1746 if(cur_len > mlen)
1747 sendto_channel_local(flags, chptr, "%s %s", modebuf, parabuf);
1748 }
1749
1750 /* only propagate modes originating locally, or if we're hubbing */
1751 if(MyClient(source_p) || rb_dlink_list_length(&serv_list) > 1)
1752 send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
1753 }
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