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chmode: Remove chm_regonly, a vestige from ratbox which doesn't apply to native chary...
[solanum.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 #define SM_ERR_MLOCK 0x00002000
60
61 #define MAXMODES_SIMPLE 46 /* a-zA-Z except bqeIov */
62
63 static struct ChModeChange mode_changes[BUFSIZE];
64 static int mode_count;
65 static int mode_limit;
66 static int mode_limit_simple;
67 static int mask_pos;
68
69 char cflagsbuf[256];
70 char cflagsmyinfo[256];
71
72 int chmode_flags[256];
73
74 /* OPTIMIZE ME! -- dwr */
75 void
76 construct_cflags_strings(void)
77 {
78 int i;
79 char *ptr = cflagsbuf;
80 char *ptr2 = cflagsmyinfo;
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 switch (chmode_flags[i])
103 {
104 case MODE_EXLIMIT:
105 case MODE_DISFORWARD:
106 if(ConfigChannel.use_forward)
107 {
108 *ptr++ = (char) i;
109 }
110
111 break;
112 case MODE_REGONLY:
113 if(rb_dlink_list_length(&service_list))
114 {
115 *ptr++ = (char) i;
116 }
117
118 break;
119 default:
120 if(chmode_flags[i] != 0)
121 {
122 *ptr++ = (char) i;
123 }
124 }
125
126 /* Should we leave orphaned check here? -- dwr */
127 if(!(chmode_table[i].set_func == chm_nosuch) && !(chmode_table[i].set_func == chm_orphaned))
128 {
129 *ptr2++ = (char) i;
130 }
131 }
132
133 *ptr++ = '\0';
134 *ptr2++ = '\0';
135 }
136
137 /*
138 * find_umode_slot
139 *
140 * inputs - NONE
141 * outputs - an available cflag bitmask or
142 * 0 if no cflags are available
143 * side effects - NONE
144 */
145 static unsigned int
146 find_cflag_slot(void)
147 {
148 unsigned int all_cflags = 0, my_cflag = 0, i;
149
150 for (i = 0; i < 256; i++)
151 all_cflags |= chmode_flags[i];
152
153 for (my_cflag = 1; my_cflag && (all_cflags & my_cflag);
154 my_cflag <<= 1);
155
156 return my_cflag;
157 }
158
159 unsigned int
160 cflag_add(char c_, ChannelModeFunc function)
161 {
162 int c = (unsigned char)c_;
163
164 if (chmode_table[c].set_func != chm_nosuch &&
165 chmode_table[c].set_func != chm_orphaned)
166 return 0;
167
168 if (chmode_table[c].set_func == chm_nosuch)
169 chmode_table[c].mode_type = find_cflag_slot();
170 if (chmode_table[c].mode_type == 0)
171 return 0;
172 chmode_table[c].set_func = function;
173 construct_cflags_strings();
174 return chmode_table[c].mode_type;
175 }
176
177 void
178 cflag_orphan(char c_)
179 {
180 int c = (unsigned char)c_;
181
182 s_assert(chmode_flags[c] != 0);
183 chmode_table[c].set_func = chm_orphaned;
184 construct_cflags_strings();
185 }
186
187 static int
188 get_channel_access(struct Client *source_p, struct membership *msptr)
189 {
190 if(!MyClient(source_p) || is_chanop(msptr))
191 return CHFL_CHANOP;
192
193 return CHFL_PEON;
194 }
195
196 /* add_id()
197 *
198 * inputs - client, channel, id to add, type
199 * outputs - 0 on failure, 1 on success
200 * side effects - given id is added to the appropriate list
201 */
202 int
203 add_id(struct Client *source_p, struct Channel *chptr, const char *banid,
204 rb_dlink_list * list, long mode_type)
205 {
206 struct Ban *actualBan;
207 static char who[USERHOST_REPLYLEN];
208 char *realban = LOCAL_COPY(banid);
209 rb_dlink_node *ptr;
210
211 /* dont let local clients overflow the banlist, or set redundant
212 * bans
213 */
214 if(MyClient(source_p))
215 {
216 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))
217 {
218 sendto_one(source_p, form_str(ERR_BANLISTFULL),
219 me.name, source_p->name, chptr->chname, realban);
220 return 0;
221 }
222
223 RB_DLINK_FOREACH(ptr, list->head)
224 {
225 actualBan = ptr->data;
226 if(mask_match(actualBan->banstr, realban))
227 return 0;
228 }
229 }
230 /* dont let remotes set duplicates */
231 else
232 {
233 RB_DLINK_FOREACH(ptr, list->head)
234 {
235 actualBan = ptr->data;
236 if(!irccmp(actualBan->banstr, realban))
237 return 0;
238 }
239 }
240
241
242 if(IsPerson(source_p))
243 rb_sprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
244 else
245 rb_strlcpy(who, source_p->name, sizeof(who));
246
247 actualBan = allocate_ban(realban, who);
248 actualBan->when = rb_current_time();
249
250 rb_dlinkAdd(actualBan, &actualBan->node, list);
251
252 /* invalidate the can_send() cache */
253 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
254 chptr->bants++;
255
256 return 1;
257 }
258
259 /* del_id()
260 *
261 * inputs - channel, id to remove, type
262 * outputs - 0 on failure, 1 on success
263 * side effects - given id is removed from the appropriate list
264 */
265 int
266 del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type)
267 {
268 rb_dlink_node *ptr;
269 struct Ban *banptr;
270
271 if(EmptyString(banid))
272 return 0;
273
274 RB_DLINK_FOREACH(ptr, list->head)
275 {
276 banptr = ptr->data;
277
278 if(irccmp(banid, banptr->banstr) == 0)
279 {
280 rb_dlinkDelete(&banptr->node, list);
281 free_ban(banptr);
282
283 /* invalidate the can_send() cache */
284 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
285 chptr->bants++;
286
287 return 1;
288 }
289 }
290
291 return 0;
292 }
293
294 /* check_string()
295 *
296 * input - string to check
297 * output - pointer to 'fixed' string, or "*" if empty
298 * side effects - any white space found becomes \0
299 */
300 static char *
301 check_string(char *s)
302 {
303 char *str = s;
304 static char splat[] = "*";
305 if(!(s && *s))
306 return splat;
307
308 for(; *s; ++s)
309 {
310 if(IsSpace(*s))
311 {
312 *s = '\0';
313 break;
314 }
315 }
316 return str;
317 }
318
319 /* pretty_mask()
320 *
321 * inputs - mask to pretty
322 * outputs - better version of the mask
323 * side effects - mask is chopped to limits, and transformed:
324 * x!y@z => x!y@z
325 * y@z => *!y@z
326 * x!y => x!y@*
327 * x => x!*@*
328 * z.d => *!*@z.d
329 */
330 static char *
331 pretty_mask(const char *idmask)
332 {
333 static char mask_buf[BUFSIZE];
334 int old_mask_pos;
335 char *nick, *user, *host;
336 char splat[] = "*";
337 char *t, *at, *ex;
338 char ne = 0, ue = 0, he = 0; /* save values at nick[NICKLEN], et all */
339 char *mask;
340
341 mask = LOCAL_COPY(idmask);
342 mask = check_string(mask);
343 collapse(mask);
344
345 nick = user = host = splat;
346
347 if((size_t) BUFSIZE - mask_pos < strlen(mask) + 5)
348 return NULL;
349
350 old_mask_pos = mask_pos;
351
352 if (*mask == '$')
353 {
354 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s", mask) + 1;
355 t = mask_buf + old_mask_pos + 1;
356 if (*t == '!')
357 *t = '~';
358 if (*t == '~')
359 t++;
360 *t = ToLower(*t);
361 return mask_buf + old_mask_pos;
362 }
363
364 at = ex = NULL;
365 if((t = strchr(mask, '@')) != NULL)
366 {
367 at = t;
368 *t++ = '\0';
369 if(*t != '\0')
370 host = t;
371
372 if((t = strchr(mask, '!')) != NULL)
373 {
374 ex = t;
375 *t++ = '\0';
376 if(*t != '\0')
377 user = t;
378 if(*mask != '\0')
379 nick = mask;
380 }
381 else
382 {
383 if(*mask != '\0')
384 user = mask;
385 }
386 }
387 else if((t = strchr(mask, '!')) != NULL)
388 {
389 ex = t;
390 *t++ = '\0';
391 if(*mask != '\0')
392 nick = mask;
393 if(*t != '\0')
394 user = t;
395 }
396 else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL || strchr(mask, '/') != NULL)
397 {
398 if(*mask != '\0')
399 host = mask;
400 }
401 else
402 {
403 if(*mask != '\0')
404 nick = mask;
405 }
406
407 /* truncate values to max lengths */
408 if(strlen(nick) > NICKLEN - 1)
409 {
410 ne = nick[NICKLEN - 1];
411 nick[NICKLEN - 1] = '\0';
412 }
413 if(strlen(user) > USERLEN)
414 {
415 ue = user[USERLEN];
416 user[USERLEN] = '\0';
417 }
418 if(strlen(host) > HOSTLEN)
419 {
420 he = host[HOSTLEN];
421 host[HOSTLEN] = '\0';
422 }
423
424 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
425
426 /* restore mask, since we may need to use it again later */
427 if(at)
428 *at = '@';
429 if(ex)
430 *ex = '!';
431 if(ne)
432 nick[NICKLEN - 1] = ne;
433 if(ue)
434 user[USERLEN] = ue;
435 if(he)
436 host[HOSTLEN] = he;
437
438 return mask_buf + old_mask_pos;
439 }
440
441 /* fix_key()
442 *
443 * input - key to fix
444 * output - the same key, fixed
445 * side effects - anything below ascii 13 is discarded, ':' discarded,
446 * high ascii is dropped to lower half of ascii table
447 */
448 static char *
449 fix_key(char *arg)
450 {
451 u_char *s, *t, c;
452
453 for(s = t = (u_char *) arg; (c = *s); s++)
454 {
455 c &= 0x7f;
456 if(c != ':' && c != ',' && c > ' ')
457 *t++ = c;
458 }
459
460 *t = '\0';
461 return arg;
462 }
463
464 /* fix_key_remote()
465 *
466 * input - key to fix
467 * ouput - the same key, fixed
468 * side effects - high ascii dropped to lower half of table,
469 * CR/LF/':' are dropped
470 */
471 static char *
472 fix_key_remote(char *arg)
473 {
474 u_char *s, *t, c;
475
476 for(s = t = (u_char *) arg; (c = *s); s++)
477 {
478 c &= 0x7f;
479 if((c != 0x0a) && (c != ':') && (c != ',') && (c != 0x0d) && (c != ' '))
480 *t++ = c;
481 }
482
483 *t = '\0';
484 return arg;
485 }
486
487 /* chm_*()
488 *
489 * The handlers for each specific mode.
490 */
491 void
492 chm_nosuch(struct Client *source_p, struct Channel *chptr,
493 int alevel, int parc, int *parn,
494 const char **parv, int *errors, int dir, char c, long mode_type)
495 {
496 if(*errors & SM_ERR_UNKNOWN)
497 return;
498 *errors |= SM_ERR_UNKNOWN;
499 sendto_one(source_p, form_str(ERR_UNKNOWNMODE), me.name, source_p->name, c);
500 }
501
502 void
503 chm_simple(struct Client *source_p, struct Channel *chptr,
504 int alevel, int parc, int *parn,
505 const char **parv, int *errors, int dir, char c, long mode_type)
506 {
507 if(alevel != CHFL_CHANOP)
508 {
509 if(!(*errors & SM_ERR_NOOPS))
510 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
511 me.name, source_p->name, chptr->chname);
512 *errors |= SM_ERR_NOOPS;
513 return;
514 }
515
516 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
517 return;
518
519 /* setting + */
520 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
521 {
522 /* if +f is disabled, ignore an attempt to set +QF locally */
523 if(!ConfigChannel.use_forward && MyClient(source_p) &&
524 (c == 'Q' || c == 'F'))
525 return;
526
527 chptr->mode.mode |= mode_type;
528
529 mode_changes[mode_count].letter = c;
530 mode_changes[mode_count].dir = MODE_ADD;
531 mode_changes[mode_count].caps = 0;
532 mode_changes[mode_count].nocaps = 0;
533 mode_changes[mode_count].id = NULL;
534 mode_changes[mode_count].mems = ALL_MEMBERS;
535 mode_changes[mode_count++].arg = NULL;
536 }
537 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
538 {
539 chptr->mode.mode &= ~mode_type;
540
541 mode_changes[mode_count].letter = c;
542 mode_changes[mode_count].dir = MODE_DEL;
543 mode_changes[mode_count].caps = 0;
544 mode_changes[mode_count].nocaps = 0;
545 mode_changes[mode_count].mems = ALL_MEMBERS;
546 mode_changes[mode_count].id = NULL;
547 mode_changes[mode_count++].arg = NULL;
548 }
549 }
550
551 void
552 chm_orphaned(struct Client *source_p, struct Channel *chptr,
553 int alevel, int parc, int *parn,
554 const char **parv, int *errors, int dir, char c, long mode_type)
555 {
556 if(MyClient(source_p))
557 return;
558
559 if((dir == MODE_ADD) && !(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_ADD;
565 mode_changes[mode_count].caps = 0;
566 mode_changes[mode_count].nocaps = 0;
567 mode_changes[mode_count].id = NULL;
568 mode_changes[mode_count].mems = ALL_MEMBERS;
569 mode_changes[mode_count++].arg = NULL;
570 }
571 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
572 {
573 chptr->mode.mode &= ~mode_type;
574
575 mode_changes[mode_count].letter = c;
576 mode_changes[mode_count].dir = MODE_DEL;
577 mode_changes[mode_count].caps = 0;
578 mode_changes[mode_count].nocaps = 0;
579 mode_changes[mode_count].mems = ALL_MEMBERS;
580 mode_changes[mode_count].id = NULL;
581 mode_changes[mode_count++].arg = NULL;
582 }
583 }
584
585 void
586 chm_staff(struct Client *source_p, struct Channel *chptr,
587 int alevel, int parc, int *parn,
588 const char **parv, int *errors, int dir, char c, long mode_type)
589 {
590 if(!IsOper(source_p) && !IsServer(source_p))
591 {
592 if(!(*errors & SM_ERR_NOPRIVS))
593 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
594 *errors |= SM_ERR_NOPRIVS;
595 return;
596 }
597 if(MyClient(source_p) && !IsOperResv(source_p))
598 {
599 if(!(*errors & SM_ERR_NOPRIVS))
600 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
601 source_p->name, "resv");
602 *errors |= SM_ERR_NOPRIVS;
603 return;
604 }
605
606 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
607 return;
608
609 /* setting + */
610 if((dir == MODE_ADD) && !(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_ADD;
616 mode_changes[mode_count].caps = 0;
617 mode_changes[mode_count].nocaps = 0;
618 mode_changes[mode_count].id = NULL;
619 mode_changes[mode_count].mems = ALL_MEMBERS;
620 mode_changes[mode_count++].arg = NULL;
621 }
622 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
623 {
624 chptr->mode.mode &= ~mode_type;
625
626 mode_changes[mode_count].letter = c;
627 mode_changes[mode_count].dir = MODE_DEL;
628 mode_changes[mode_count].caps = 0;
629 mode_changes[mode_count].nocaps = 0;
630 mode_changes[mode_count].mems = ALL_MEMBERS;
631 mode_changes[mode_count].id = NULL;
632 mode_changes[mode_count++].arg = NULL;
633 }
634 }
635
636 void
637 chm_ban(struct Client *source_p, struct Channel *chptr,
638 int alevel, int parc, int *parn,
639 const char **parv, int *errors, int dir, char c, long mode_type)
640 {
641 const char *mask;
642 const char *raw_mask;
643 rb_dlink_list *list;
644 rb_dlink_node *ptr;
645 struct Ban *banptr;
646 int errorval;
647 int rpl_list;
648 int rpl_endlist;
649 int caps;
650 int mems;
651
652 switch (mode_type)
653 {
654 case CHFL_BAN:
655 list = &chptr->banlist;
656 errorval = SM_ERR_RPL_B;
657 rpl_list = RPL_BANLIST;
658 rpl_endlist = RPL_ENDOFBANLIST;
659 mems = ALL_MEMBERS;
660 caps = 0;
661 break;
662
663 case CHFL_EXCEPTION:
664 /* if +e is disabled, allow all but +e locally */
665 if(!ConfigChannel.use_except && MyClient(source_p) &&
666 ((dir == MODE_ADD) && (parc > *parn)))
667 return;
668
669 list = &chptr->exceptlist;
670 errorval = SM_ERR_RPL_E;
671 rpl_list = RPL_EXCEPTLIST;
672 rpl_endlist = RPL_ENDOFEXCEPTLIST;
673 caps = CAP_EX;
674
675 if(ConfigChannel.use_except || (dir == MODE_DEL))
676 mems = ONLY_CHANOPS;
677 else
678 mems = ONLY_SERVERS;
679 break;
680
681 case CHFL_INVEX:
682 /* if +I is disabled, allow all but +I locally */
683 if(!ConfigChannel.use_invex && MyClient(source_p) &&
684 (dir == MODE_ADD) && (parc > *parn))
685 return;
686
687 list = &chptr->invexlist;
688 errorval = SM_ERR_RPL_I;
689 rpl_list = RPL_INVITELIST;
690 rpl_endlist = RPL_ENDOFINVITELIST;
691 caps = CAP_IE;
692
693 if(ConfigChannel.use_invex || (dir == MODE_DEL))
694 mems = ONLY_CHANOPS;
695 else
696 mems = ONLY_SERVERS;
697 break;
698
699 case CHFL_QUIET:
700 list = &chptr->quietlist;
701 errorval = SM_ERR_RPL_Q;
702 rpl_list = RPL_QUIETLIST;
703 rpl_endlist = RPL_ENDOFQUIETLIST;
704 mems = ALL_MEMBERS;
705 caps = 0;
706 break;
707
708 default:
709 sendto_realops_snomask(SNO_GENERAL, L_ALL, "chm_ban() called with unknown type!");
710 return;
711 break;
712 }
713
714 if(dir == 0 || parc <= *parn)
715 {
716 if((*errors & errorval) != 0)
717 return;
718 *errors |= errorval;
719
720 /* non-ops cant see +eI lists.. */
721 if(alevel != CHFL_CHANOP && mode_type != CHFL_BAN &&
722 mode_type != CHFL_QUIET)
723 {
724 if(!(*errors & SM_ERR_NOOPS))
725 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
726 me.name, source_p->name, chptr->chname);
727 *errors |= SM_ERR_NOOPS;
728 return;
729 }
730
731 RB_DLINK_FOREACH(ptr, list->head)
732 {
733 banptr = ptr->data;
734 sendto_one(source_p, form_str(rpl_list),
735 me.name, source_p->name, chptr->chname,
736 banptr->banstr, banptr->who, banptr->when);
737 }
738 sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
739 return;
740 }
741
742 if(alevel != CHFL_CHANOP)
743 {
744 if(!(*errors & SM_ERR_NOOPS))
745 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
746 me.name, source_p->name, chptr->chname);
747 *errors |= SM_ERR_NOOPS;
748 return;
749 }
750
751 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
752 return;
753
754 raw_mask = parv[(*parn)];
755 (*parn)++;
756
757 /* empty ban, or starts with ':' which messes up s2s, ignore it */
758 if(EmptyString(raw_mask) || *raw_mask == ':')
759 return;
760
761 if(!MyClient(source_p))
762 {
763 if(strchr(raw_mask, ' '))
764 return;
765
766 mask = raw_mask;
767 }
768 else
769 mask = pretty_mask(raw_mask);
770
771 /* we'd have problems parsing this, hyb6 does it too
772 * also make sure it will always fit on a line with channel
773 * name etc.
774 */
775 if(strlen(mask) > IRCD_MIN(BANLEN, MODEBUFLEN - 5))
776 return;
777
778 /* if we're adding a NEW id */
779 if(dir == MODE_ADD)
780 {
781 if (*mask == '$' && MyClient(source_p))
782 {
783 if (!valid_extban(mask, source_p, chptr, mode_type))
784 /* XXX perhaps return an error message here */
785 return;
786 }
787
788 /* dont allow local clients to overflow the banlist, dont
789 * let remote servers set duplicate bans
790 */
791 if(!add_id(source_p, chptr, mask, list, mode_type))
792 return;
793
794 mode_changes[mode_count].letter = c;
795 mode_changes[mode_count].dir = MODE_ADD;
796 mode_changes[mode_count].caps = caps;
797 mode_changes[mode_count].nocaps = 0;
798 mode_changes[mode_count].mems = mems;
799 mode_changes[mode_count].id = NULL;
800 mode_changes[mode_count++].arg = mask;
801 }
802 else if(dir == MODE_DEL)
803 {
804 if(del_id(chptr, mask, list, mode_type) == 0)
805 {
806 /* mask isn't a valid ban, check raw_mask */
807 if(del_id(chptr, raw_mask, list, mode_type))
808 mask = raw_mask;
809 }
810
811 mode_changes[mode_count].letter = c;
812 mode_changes[mode_count].dir = MODE_DEL;
813 mode_changes[mode_count].caps = caps;
814 mode_changes[mode_count].nocaps = 0;
815 mode_changes[mode_count].mems = mems;
816 mode_changes[mode_count].id = NULL;
817 mode_changes[mode_count++].arg = mask;
818 }
819 }
820
821 void
822 chm_op(struct Client *source_p, struct Channel *chptr,
823 int alevel, int parc, int *parn,
824 const char **parv, int *errors, int dir, char c, long mode_type)
825 {
826 struct membership *mstptr;
827 const char *opnick;
828 struct Client *targ_p;
829
830 if(alevel != CHFL_CHANOP)
831 {
832 if(!(*errors & SM_ERR_NOOPS))
833 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
834 me.name, source_p->name, chptr->chname);
835 *errors |= SM_ERR_NOOPS;
836 return;
837 }
838
839 if((dir == MODE_QUERY) || (parc <= *parn))
840 return;
841
842 opnick = parv[(*parn)];
843 (*parn)++;
844
845 /* empty nick */
846 if(EmptyString(opnick))
847 {
848 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
849 return;
850 }
851
852 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
853 {
854 return;
855 }
856
857 mstptr = find_channel_membership(chptr, targ_p);
858
859 if(mstptr == NULL)
860 {
861 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
862 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
863 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
864 *errors |= SM_ERR_NOTONCHANNEL;
865 return;
866 }
867
868 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
869 return;
870
871 if(dir == MODE_ADD)
872 {
873 if(targ_p == source_p)
874 return;
875
876 mode_changes[mode_count].letter = c;
877 mode_changes[mode_count].dir = MODE_ADD;
878 mode_changes[mode_count].caps = 0;
879 mode_changes[mode_count].nocaps = 0;
880 mode_changes[mode_count].mems = ALL_MEMBERS;
881 mode_changes[mode_count].id = targ_p->id;
882 mode_changes[mode_count].arg = targ_p->name;
883 mode_changes[mode_count++].client = targ_p;
884
885 mstptr->flags |= CHFL_CHANOP;
886 }
887 else
888 {
889 if(MyClient(source_p) && IsService(targ_p))
890 {
891 sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
892 me.name, source_p->name, targ_p->name, chptr->chname);
893 return;
894 }
895
896 mode_changes[mode_count].letter = c;
897 mode_changes[mode_count].dir = MODE_DEL;
898 mode_changes[mode_count].caps = 0;
899 mode_changes[mode_count].nocaps = 0;
900 mode_changes[mode_count].mems = ALL_MEMBERS;
901 mode_changes[mode_count].id = targ_p->id;
902 mode_changes[mode_count].arg = targ_p->name;
903 mode_changes[mode_count++].client = targ_p;
904
905 mstptr->flags &= ~CHFL_CHANOP;
906 }
907 }
908
909 void
910 chm_voice(struct Client *source_p, struct Channel *chptr,
911 int alevel, int parc, int *parn,
912 const char **parv, int *errors, int dir, char c, long mode_type)
913 {
914 struct membership *mstptr;
915 const char *opnick;
916 struct Client *targ_p;
917
918 if(alevel != CHFL_CHANOP)
919 {
920 if(!(*errors & SM_ERR_NOOPS))
921 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
922 me.name, source_p->name, chptr->chname);
923 *errors |= SM_ERR_NOOPS;
924 return;
925 }
926
927 if((dir == MODE_QUERY) || parc <= *parn)
928 return;
929
930 opnick = parv[(*parn)];
931 (*parn)++;
932
933 /* empty nick */
934 if(EmptyString(opnick))
935 {
936 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
937 return;
938 }
939
940 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
941 {
942 return;
943 }
944
945 mstptr = find_channel_membership(chptr, targ_p);
946
947 if(mstptr == NULL)
948 {
949 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
950 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
951 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
952 *errors |= SM_ERR_NOTONCHANNEL;
953 return;
954 }
955
956 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
957 return;
958
959 if(dir == MODE_ADD)
960 {
961 mode_changes[mode_count].letter = c;
962 mode_changes[mode_count].dir = MODE_ADD;
963 mode_changes[mode_count].caps = 0;
964 mode_changes[mode_count].nocaps = 0;
965 mode_changes[mode_count].mems = ALL_MEMBERS;
966 mode_changes[mode_count].id = targ_p->id;
967 mode_changes[mode_count].arg = targ_p->name;
968 mode_changes[mode_count++].client = targ_p;
969
970 mstptr->flags |= CHFL_VOICE;
971 }
972 else
973 {
974 mode_changes[mode_count].letter = 'v';
975 mode_changes[mode_count].dir = MODE_DEL;
976 mode_changes[mode_count].caps = 0;
977 mode_changes[mode_count].nocaps = 0;
978 mode_changes[mode_count].mems = ALL_MEMBERS;
979 mode_changes[mode_count].id = targ_p->id;
980 mode_changes[mode_count].arg = targ_p->name;
981 mode_changes[mode_count++].client = targ_p;
982
983 mstptr->flags &= ~CHFL_VOICE;
984 }
985 }
986
987 void
988 chm_limit(struct Client *source_p, struct Channel *chptr,
989 int alevel, int parc, int *parn,
990 const char **parv, int *errors, int dir, char c, long mode_type)
991 {
992 const char *lstr;
993 static char limitstr[30];
994 int limit;
995
996 if(alevel != CHFL_CHANOP)
997 {
998 if(!(*errors & SM_ERR_NOOPS))
999 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1000 me.name, source_p->name, chptr->chname);
1001 *errors |= SM_ERR_NOOPS;
1002 return;
1003 }
1004
1005 if(dir == MODE_QUERY)
1006 return;
1007
1008 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1009 return;
1010
1011 if((dir == MODE_ADD) && parc > *parn)
1012 {
1013 lstr = parv[(*parn)];
1014 (*parn)++;
1015
1016 if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
1017 return;
1018
1019 rb_sprintf(limitstr, "%d", limit);
1020
1021 mode_changes[mode_count].letter = c;
1022 mode_changes[mode_count].dir = MODE_ADD;
1023 mode_changes[mode_count].caps = 0;
1024 mode_changes[mode_count].nocaps = 0;
1025 mode_changes[mode_count].mems = ALL_MEMBERS;
1026 mode_changes[mode_count].id = NULL;
1027 mode_changes[mode_count++].arg = limitstr;
1028
1029 chptr->mode.limit = limit;
1030 }
1031 else if(dir == MODE_DEL)
1032 {
1033 if(!chptr->mode.limit)
1034 return;
1035
1036 chptr->mode.limit = 0;
1037
1038 mode_changes[mode_count].letter = c;
1039 mode_changes[mode_count].dir = MODE_DEL;
1040 mode_changes[mode_count].caps = 0;
1041 mode_changes[mode_count].nocaps = 0;
1042 mode_changes[mode_count].mems = ALL_MEMBERS;
1043 mode_changes[mode_count].id = NULL;
1044 mode_changes[mode_count++].arg = NULL;
1045 }
1046 }
1047
1048 void
1049 chm_throttle(struct Client *source_p, struct Channel *chptr,
1050 int alevel, int parc, int *parn,
1051 const char **parv, int *errors, int dir, char c, long mode_type)
1052 {
1053 int joins = 0, timeslice = 0;
1054
1055 if(alevel != CHFL_CHANOP)
1056 {
1057 if(!(*errors & SM_ERR_NOOPS))
1058 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1059 me.name, source_p->name, chptr->chname);
1060 *errors |= SM_ERR_NOOPS;
1061 return;
1062 }
1063
1064 if(dir == MODE_QUERY)
1065 return;
1066
1067 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1068 return;
1069
1070 if((dir == MODE_ADD) && parc > *parn)
1071 {
1072 sscanf(parv[(*parn)], "%d:%d", &joins, &timeslice);
1073
1074 if(!joins || !timeslice)
1075 return;
1076
1077 mode_changes[mode_count].letter = c;
1078 mode_changes[mode_count].dir = MODE_ADD;
1079 mode_changes[mode_count].caps = 0;
1080 mode_changes[mode_count].nocaps = 0;
1081 mode_changes[mode_count].mems = ALL_MEMBERS;
1082 mode_changes[mode_count].id = NULL;
1083 mode_changes[mode_count++].arg = parv[(*parn)];
1084
1085 (*parn)++;
1086
1087 chptr->mode.join_num = joins;
1088 chptr->mode.join_time = timeslice;
1089 }
1090 else if(dir == MODE_DEL)
1091 {
1092 if(!chptr->mode.join_num)
1093 return;
1094
1095 chptr->mode.join_num = 0;
1096 chptr->mode.join_time = 0;
1097 chptr->join_count = 0;
1098 chptr->join_delta = 0;
1099
1100 mode_changes[mode_count].letter = c;
1101 mode_changes[mode_count].dir = MODE_DEL;
1102 mode_changes[mode_count].caps = 0;
1103 mode_changes[mode_count].nocaps = 0;
1104 mode_changes[mode_count].mems = ALL_MEMBERS;
1105 mode_changes[mode_count].id = NULL;
1106 mode_changes[mode_count++].arg = NULL;
1107 }
1108 }
1109
1110 void
1111 chm_forward(struct Client *source_p, struct Channel *chptr,
1112 int alevel, int parc, int *parn,
1113 const char **parv, int *errors, int dir, char c, long mode_type)
1114 {
1115 struct Channel *targptr = NULL;
1116 struct membership *msptr;
1117 const char *forward;
1118
1119 /* if +f is disabled, ignore local attempts to set it */
1120 if(!ConfigChannel.use_forward && MyClient(source_p) &&
1121 (dir == MODE_ADD) && (parc > *parn))
1122 return;
1123
1124 if(dir == MODE_QUERY || (dir == MODE_ADD && parc <= *parn))
1125 {
1126 if (!(*errors & SM_ERR_RPL_F))
1127 {
1128 if (*chptr->mode.forward == '\0')
1129 sendto_one_notice(source_p, ":%s has no forward channel", chptr->chname);
1130 else
1131 sendto_one_notice(source_p, ":%s forward channel is %s", chptr->chname, chptr->mode.forward);
1132 *errors |= SM_ERR_RPL_F;
1133 }
1134 return;
1135 }
1136
1137 #ifndef FORWARD_OPERONLY
1138 if(alevel != CHFL_CHANOP)
1139 {
1140 if(!(*errors & SM_ERR_NOOPS))
1141 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1142 me.name, source_p->name, chptr->chname);
1143 *errors |= SM_ERR_NOOPS;
1144 return;
1145 }
1146 #else
1147 if(!IsOper(source_p) && !IsServer(source_p))
1148 {
1149 if(!(*errors & SM_ERR_NOPRIVS))
1150 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
1151 *errors |= SM_ERR_NOPRIVS;
1152 return;
1153 }
1154 #endif
1155
1156 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1157 return;
1158
1159 if(dir == MODE_ADD && parc > *parn)
1160 {
1161 forward = parv[(*parn)];
1162 (*parn)++;
1163
1164 if(EmptyString(forward))
1165 return;
1166 if(!check_channel_name(forward) ||
1167 (MyClient(source_p) && (strlen(forward) > LOC_CHANNELLEN || hash_find_resv(forward))))
1168 {
1169 sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), forward);
1170 return;
1171 }
1172 /* don't forward to inconsistent target -- jilles */
1173 if(chptr->chname[0] == '#' && forward[0] == '&')
1174 {
1175 sendto_one_numeric(source_p, ERR_BADCHANNAME,
1176 form_str(ERR_BADCHANNAME), forward);
1177 return;
1178 }
1179 if(MyClient(source_p) && (targptr = find_channel(forward)) == NULL)
1180 {
1181 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
1182 form_str(ERR_NOSUCHCHANNEL), forward);
1183 return;
1184 }
1185 if(MyClient(source_p) && !(targptr->mode.mode & MODE_FREETARGET))
1186 {
1187 if((msptr = find_channel_membership(targptr, source_p)) == NULL ||
1188 get_channel_access(source_p, msptr) != CHFL_CHANOP)
1189 {
1190 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1191 me.name, source_p->name, targptr->chname);
1192 return;
1193 }
1194 }
1195
1196 rb_strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
1197
1198 mode_changes[mode_count].letter = c;
1199 mode_changes[mode_count].dir = MODE_ADD;
1200 mode_changes[mode_count].caps = 0;
1201 mode_changes[mode_count].nocaps = 0;
1202 mode_changes[mode_count].mems = ConfigChannel.use_forward ? ALL_MEMBERS : ONLY_SERVERS;
1203 mode_changes[mode_count].id = NULL;
1204 mode_changes[mode_count++].arg = forward;
1205 }
1206 else if(dir == MODE_DEL)
1207 {
1208 if(!(*chptr->mode.forward))
1209 return;
1210
1211 *chptr->mode.forward = '\0';
1212
1213 mode_changes[mode_count].letter = c;
1214 mode_changes[mode_count].dir = MODE_DEL;
1215 mode_changes[mode_count].caps = 0;
1216 mode_changes[mode_count].nocaps = 0;
1217 mode_changes[mode_count].mems = ALL_MEMBERS;
1218 mode_changes[mode_count].id = NULL;
1219 mode_changes[mode_count++].arg = NULL;
1220 }
1221 }
1222
1223 void
1224 chm_key(struct Client *source_p, struct Channel *chptr,
1225 int alevel, int parc, int *parn,
1226 const char **parv, int *errors, int dir, char c, long mode_type)
1227 {
1228 char *key;
1229
1230 if(alevel != CHFL_CHANOP)
1231 {
1232 if(!(*errors & SM_ERR_NOOPS))
1233 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1234 me.name, source_p->name, chptr->chname);
1235 *errors |= SM_ERR_NOOPS;
1236 return;
1237 }
1238
1239 if(dir == MODE_QUERY)
1240 return;
1241
1242 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1243 return;
1244
1245 if((dir == MODE_ADD) && parc > *parn)
1246 {
1247 key = LOCAL_COPY(parv[(*parn)]);
1248 (*parn)++;
1249
1250 if(MyClient(source_p))
1251 fix_key(key);
1252 else
1253 fix_key_remote(key);
1254
1255 if(EmptyString(key))
1256 return;
1257
1258 s_assert(key[0] != ' ');
1259 rb_strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
1260
1261 mode_changes[mode_count].letter = c;
1262 mode_changes[mode_count].dir = MODE_ADD;
1263 mode_changes[mode_count].caps = 0;
1264 mode_changes[mode_count].nocaps = 0;
1265 mode_changes[mode_count].mems = ALL_MEMBERS;
1266 mode_changes[mode_count].id = NULL;
1267 mode_changes[mode_count++].arg = chptr->mode.key;
1268 }
1269 else if(dir == MODE_DEL)
1270 {
1271 static char splat[] = "*";
1272 int i;
1273
1274 if(parc > *parn)
1275 (*parn)++;
1276
1277 if(!(*chptr->mode.key))
1278 return;
1279
1280 /* hack time. when we get a +k-k mode, the +k arg is
1281 * chptr->mode.key, which the -k sets to \0, so hunt for a
1282 * +k when we get a -k, and set the arg to splat. --anfl
1283 */
1284 for(i = 0; i < mode_count; i++)
1285 {
1286 if(mode_changes[i].letter == 'k' && mode_changes[i].dir == MODE_ADD)
1287 mode_changes[i].arg = splat;
1288 }
1289
1290 *chptr->mode.key = 0;
1291
1292 mode_changes[mode_count].letter = c;
1293 mode_changes[mode_count].dir = MODE_DEL;
1294 mode_changes[mode_count].caps = 0;
1295 mode_changes[mode_count].nocaps = 0;
1296 mode_changes[mode_count].mems = ALL_MEMBERS;
1297 mode_changes[mode_count].id = NULL;
1298 mode_changes[mode_count++].arg = "*";
1299 }
1300 }
1301
1302 /* *INDENT-OFF* */
1303 struct ChannelMode chmode_table[256] =
1304 {
1305 {chm_nosuch, 0 }, /* 0x00 */
1306 {chm_nosuch, 0 }, /* 0x01 */
1307 {chm_nosuch, 0 }, /* 0x02 */
1308 {chm_nosuch, 0 }, /* 0x03 */
1309 {chm_nosuch, 0 }, /* 0x04 */
1310 {chm_nosuch, 0 }, /* 0x05 */
1311 {chm_nosuch, 0 }, /* 0x06 */
1312 {chm_nosuch, 0 }, /* 0x07 */
1313 {chm_nosuch, 0 }, /* 0x08 */
1314 {chm_nosuch, 0 }, /* 0x09 */
1315 {chm_nosuch, 0 }, /* 0x0a */
1316 {chm_nosuch, 0 }, /* 0x0b */
1317 {chm_nosuch, 0 }, /* 0x0c */
1318 {chm_nosuch, 0 }, /* 0x0d */
1319 {chm_nosuch, 0 }, /* 0x0e */
1320 {chm_nosuch, 0 }, /* 0x0f */
1321 {chm_nosuch, 0 }, /* 0x10 */
1322 {chm_nosuch, 0 }, /* 0x11 */
1323 {chm_nosuch, 0 }, /* 0x12 */
1324 {chm_nosuch, 0 }, /* 0x13 */
1325 {chm_nosuch, 0 }, /* 0x14 */
1326 {chm_nosuch, 0 }, /* 0x15 */
1327 {chm_nosuch, 0 }, /* 0x16 */
1328 {chm_nosuch, 0 }, /* 0x17 */
1329 {chm_nosuch, 0 }, /* 0x18 */
1330 {chm_nosuch, 0 }, /* 0x19 */
1331 {chm_nosuch, 0 }, /* 0x1a */
1332 {chm_nosuch, 0 }, /* 0x1b */
1333 {chm_nosuch, 0 }, /* 0x1c */
1334 {chm_nosuch, 0 }, /* 0x1d */
1335 {chm_nosuch, 0 }, /* 0x1e */
1336 {chm_nosuch, 0 }, /* 0x1f */
1337 {chm_nosuch, 0 }, /* 0x20 */
1338 {chm_nosuch, 0 }, /* 0x21 */
1339 {chm_nosuch, 0 }, /* 0x22 */
1340 {chm_nosuch, 0 }, /* 0x23 */
1341 {chm_nosuch, 0 }, /* 0x24 */
1342 {chm_nosuch, 0 }, /* 0x25 */
1343 {chm_nosuch, 0 }, /* 0x26 */
1344 {chm_nosuch, 0 }, /* 0x27 */
1345 {chm_nosuch, 0 }, /* 0x28 */
1346 {chm_nosuch, 0 }, /* 0x29 */
1347 {chm_nosuch, 0 }, /* 0x2a */
1348 {chm_nosuch, 0 }, /* 0x2b */
1349 {chm_nosuch, 0 }, /* 0x2c */
1350 {chm_nosuch, 0 }, /* 0x2d */
1351 {chm_nosuch, 0 }, /* 0x2e */
1352 {chm_nosuch, 0 }, /* 0x2f */
1353 {chm_nosuch, 0 }, /* 0x30 */
1354 {chm_nosuch, 0 }, /* 0x31 */
1355 {chm_nosuch, 0 }, /* 0x32 */
1356 {chm_nosuch, 0 }, /* 0x33 */
1357 {chm_nosuch, 0 }, /* 0x34 */
1358 {chm_nosuch, 0 }, /* 0x35 */
1359 {chm_nosuch, 0 }, /* 0x36 */
1360 {chm_nosuch, 0 }, /* 0x37 */
1361 {chm_nosuch, 0 }, /* 0x38 */
1362 {chm_nosuch, 0 }, /* 0x39 */
1363 {chm_nosuch, 0 }, /* 0x3a */
1364 {chm_nosuch, 0 }, /* 0x3b */
1365 {chm_nosuch, 0 }, /* 0x3c */
1366 {chm_nosuch, 0 }, /* 0x3d */
1367 {chm_nosuch, 0 }, /* 0x3e */
1368 {chm_nosuch, 0 }, /* 0x3f */
1369
1370 {chm_nosuch, 0 }, /* @ */
1371 {chm_nosuch, 0 }, /* A */
1372 {chm_nosuch, 0 }, /* B */
1373 {chm_simple, MODE_NOCTCP }, /* C */
1374 {chm_nosuch, 0 }, /* D */
1375 {chm_nosuch, 0 }, /* E */
1376 {chm_simple, MODE_FREETARGET }, /* F */
1377 {chm_nosuch, 0 }, /* G */
1378 {chm_nosuch, 0 }, /* H */
1379 {chm_ban, CHFL_INVEX }, /* I */
1380 {chm_nosuch, 0 }, /* J */
1381 {chm_nosuch, 0 }, /* K */
1382 {chm_staff, MODE_EXLIMIT }, /* L */
1383 {chm_nosuch, 0 }, /* M */
1384 {chm_nosuch, 0 }, /* N */
1385 {chm_nosuch, 0 }, /* O */
1386 {chm_staff, MODE_PERMANENT }, /* P */
1387 {chm_simple, MODE_DISFORWARD }, /* Q */
1388 {chm_nosuch, 0 }, /* R */
1389 {chm_nosuch, 0 }, /* S */
1390 {chm_nosuch, 0 }, /* T */
1391 {chm_nosuch, 0 }, /* U */
1392 {chm_nosuch, 0 }, /* V */
1393 {chm_nosuch, 0 }, /* W */
1394 {chm_nosuch, 0 }, /* X */
1395 {chm_nosuch, 0 }, /* Y */
1396 {chm_nosuch, 0 }, /* Z */
1397 {chm_nosuch, 0 },
1398 {chm_nosuch, 0 },
1399 {chm_nosuch, 0 },
1400 {chm_nosuch, 0 },
1401 {chm_nosuch, 0 },
1402 {chm_nosuch, 0 },
1403 {chm_nosuch, 0 }, /* a */
1404 {chm_ban, CHFL_BAN }, /* b */
1405 {chm_simple, MODE_NOCOLOR }, /* c */
1406 {chm_nosuch, 0 }, /* d */
1407 {chm_ban, CHFL_EXCEPTION }, /* e */
1408 {chm_forward, 0 }, /* f */
1409 {chm_simple, MODE_FREEINVITE }, /* g */
1410 {chm_nosuch, 0 }, /* h */
1411 {chm_simple, MODE_INVITEONLY }, /* i */
1412 {chm_throttle, 0 }, /* j */
1413 {chm_key, 0 }, /* k */
1414 {chm_limit, 0 }, /* l */
1415 {chm_simple, MODE_MODERATED }, /* m */
1416 {chm_simple, MODE_NOPRIVMSGS }, /* n */
1417 {chm_op, 0 }, /* o */
1418 {chm_simple, MODE_PRIVATE }, /* p */
1419 {chm_ban, CHFL_QUIET }, /* q */
1420 {chm_simple, MODE_REGONLY }, /* r */
1421 {chm_simple, MODE_SECRET }, /* s */
1422 {chm_simple, MODE_TOPICLIMIT }, /* t */
1423 {chm_nosuch, 0 }, /* u */
1424 {chm_voice, 0 }, /* v */
1425 {chm_nosuch, 0 }, /* w */
1426 {chm_nosuch, 0 }, /* x */
1427 {chm_nosuch, 0 }, /* y */
1428 {chm_simple, MODE_OPMODERATE }, /* z */
1429
1430 {chm_nosuch, 0 }, /* 0x7b */
1431 {chm_nosuch, 0 }, /* 0x7c */
1432 {chm_nosuch, 0 }, /* 0x7d */
1433 {chm_nosuch, 0 }, /* 0x7e */
1434 {chm_nosuch, 0 }, /* 0x7f */
1435
1436 {chm_nosuch, 0 }, /* 0x80 */
1437 {chm_nosuch, 0 }, /* 0x81 */
1438 {chm_nosuch, 0 }, /* 0x82 */
1439 {chm_nosuch, 0 }, /* 0x83 */
1440 {chm_nosuch, 0 }, /* 0x84 */
1441 {chm_nosuch, 0 }, /* 0x85 */
1442 {chm_nosuch, 0 }, /* 0x86 */
1443 {chm_nosuch, 0 }, /* 0x87 */
1444 {chm_nosuch, 0 }, /* 0x88 */
1445 {chm_nosuch, 0 }, /* 0x89 */
1446 {chm_nosuch, 0 }, /* 0x8a */
1447 {chm_nosuch, 0 }, /* 0x8b */
1448 {chm_nosuch, 0 }, /* 0x8c */
1449 {chm_nosuch, 0 }, /* 0x8d */
1450 {chm_nosuch, 0 }, /* 0x8e */
1451 {chm_nosuch, 0 }, /* 0x8f */
1452
1453 {chm_nosuch, 0 }, /* 0x90 */
1454 {chm_nosuch, 0 }, /* 0x91 */
1455 {chm_nosuch, 0 }, /* 0x92 */
1456 {chm_nosuch, 0 }, /* 0x93 */
1457 {chm_nosuch, 0 }, /* 0x94 */
1458 {chm_nosuch, 0 }, /* 0x95 */
1459 {chm_nosuch, 0 }, /* 0x96 */
1460 {chm_nosuch, 0 }, /* 0x97 */
1461 {chm_nosuch, 0 }, /* 0x98 */
1462 {chm_nosuch, 0 }, /* 0x99 */
1463 {chm_nosuch, 0 }, /* 0x9a */
1464 {chm_nosuch, 0 }, /* 0x9b */
1465 {chm_nosuch, 0 }, /* 0x9c */
1466 {chm_nosuch, 0 }, /* 0x9d */
1467 {chm_nosuch, 0 }, /* 0x9e */
1468 {chm_nosuch, 0 }, /* 0x9f */
1469
1470 {chm_nosuch, 0 }, /* 0xa0 */
1471 {chm_nosuch, 0 }, /* 0xa1 */
1472 {chm_nosuch, 0 }, /* 0xa2 */
1473 {chm_nosuch, 0 }, /* 0xa3 */
1474 {chm_nosuch, 0 }, /* 0xa4 */
1475 {chm_nosuch, 0 }, /* 0xa5 */
1476 {chm_nosuch, 0 }, /* 0xa6 */
1477 {chm_nosuch, 0 }, /* 0xa7 */
1478 {chm_nosuch, 0 }, /* 0xa8 */
1479 {chm_nosuch, 0 }, /* 0xa9 */
1480 {chm_nosuch, 0 }, /* 0xaa */
1481 {chm_nosuch, 0 }, /* 0xab */
1482 {chm_nosuch, 0 }, /* 0xac */
1483 {chm_nosuch, 0 }, /* 0xad */
1484 {chm_nosuch, 0 }, /* 0xae */
1485 {chm_nosuch, 0 }, /* 0xaf */
1486
1487 {chm_nosuch, 0 }, /* 0xb0 */
1488 {chm_nosuch, 0 }, /* 0xb1 */
1489 {chm_nosuch, 0 }, /* 0xb2 */
1490 {chm_nosuch, 0 }, /* 0xb3 */
1491 {chm_nosuch, 0 }, /* 0xb4 */
1492 {chm_nosuch, 0 }, /* 0xb5 */
1493 {chm_nosuch, 0 }, /* 0xb6 */
1494 {chm_nosuch, 0 }, /* 0xb7 */
1495 {chm_nosuch, 0 }, /* 0xb8 */
1496 {chm_nosuch, 0 }, /* 0xb9 */
1497 {chm_nosuch, 0 }, /* 0xba */
1498 {chm_nosuch, 0 }, /* 0xbb */
1499 {chm_nosuch, 0 }, /* 0xbc */
1500 {chm_nosuch, 0 }, /* 0xbd */
1501 {chm_nosuch, 0 }, /* 0xbe */
1502 {chm_nosuch, 0 }, /* 0xbf */
1503
1504 {chm_nosuch, 0 }, /* 0xc0 */
1505 {chm_nosuch, 0 }, /* 0xc1 */
1506 {chm_nosuch, 0 }, /* 0xc2 */
1507 {chm_nosuch, 0 }, /* 0xc3 */
1508 {chm_nosuch, 0 }, /* 0xc4 */
1509 {chm_nosuch, 0 }, /* 0xc5 */
1510 {chm_nosuch, 0 }, /* 0xc6 */
1511 {chm_nosuch, 0 }, /* 0xc7 */
1512 {chm_nosuch, 0 }, /* 0xc8 */
1513 {chm_nosuch, 0 }, /* 0xc9 */
1514 {chm_nosuch, 0 }, /* 0xca */
1515 {chm_nosuch, 0 }, /* 0xcb */
1516 {chm_nosuch, 0 }, /* 0xcc */
1517 {chm_nosuch, 0 }, /* 0xcd */
1518 {chm_nosuch, 0 }, /* 0xce */
1519 {chm_nosuch, 0 }, /* 0xcf */
1520
1521 {chm_nosuch, 0 }, /* 0xd0 */
1522 {chm_nosuch, 0 }, /* 0xd1 */
1523 {chm_nosuch, 0 }, /* 0xd2 */
1524 {chm_nosuch, 0 }, /* 0xd3 */
1525 {chm_nosuch, 0 }, /* 0xd4 */
1526 {chm_nosuch, 0 }, /* 0xd5 */
1527 {chm_nosuch, 0 }, /* 0xd6 */
1528 {chm_nosuch, 0 }, /* 0xd7 */
1529 {chm_nosuch, 0 }, /* 0xd8 */
1530 {chm_nosuch, 0 }, /* 0xd9 */
1531 {chm_nosuch, 0 }, /* 0xda */
1532 {chm_nosuch, 0 }, /* 0xdb */
1533 {chm_nosuch, 0 }, /* 0xdc */
1534 {chm_nosuch, 0 }, /* 0xdd */
1535 {chm_nosuch, 0 }, /* 0xde */
1536 {chm_nosuch, 0 }, /* 0xdf */
1537
1538 {chm_nosuch, 0 }, /* 0xe0 */
1539 {chm_nosuch, 0 }, /* 0xe1 */
1540 {chm_nosuch, 0 }, /* 0xe2 */
1541 {chm_nosuch, 0 }, /* 0xe3 */
1542 {chm_nosuch, 0 }, /* 0xe4 */
1543 {chm_nosuch, 0 }, /* 0xe5 */
1544 {chm_nosuch, 0 }, /* 0xe6 */
1545 {chm_nosuch, 0 }, /* 0xe7 */
1546 {chm_nosuch, 0 }, /* 0xe8 */
1547 {chm_nosuch, 0 }, /* 0xe9 */
1548 {chm_nosuch, 0 }, /* 0xea */
1549 {chm_nosuch, 0 }, /* 0xeb */
1550 {chm_nosuch, 0 }, /* 0xec */
1551 {chm_nosuch, 0 }, /* 0xed */
1552 {chm_nosuch, 0 }, /* 0xee */
1553 {chm_nosuch, 0 }, /* 0xef */
1554
1555 {chm_nosuch, 0 }, /* 0xf0 */
1556 {chm_nosuch, 0 }, /* 0xf1 */
1557 {chm_nosuch, 0 }, /* 0xf2 */
1558 {chm_nosuch, 0 }, /* 0xf3 */
1559 {chm_nosuch, 0 }, /* 0xf4 */
1560 {chm_nosuch, 0 }, /* 0xf5 */
1561 {chm_nosuch, 0 }, /* 0xf6 */
1562 {chm_nosuch, 0 }, /* 0xf7 */
1563 {chm_nosuch, 0 }, /* 0xf8 */
1564 {chm_nosuch, 0 }, /* 0xf9 */
1565 {chm_nosuch, 0 }, /* 0xfa */
1566 {chm_nosuch, 0 }, /* 0xfb */
1567 {chm_nosuch, 0 }, /* 0xfc */
1568 {chm_nosuch, 0 }, /* 0xfd */
1569 {chm_nosuch, 0 }, /* 0xfe */
1570 {chm_nosuch, 0 }, /* 0xff */
1571 };
1572
1573 /* *INDENT-ON* */
1574
1575 /* set_channel_mode()
1576 *
1577 * inputs - client, source, channel, membership pointer, params
1578 * output -
1579 * side effects - channel modes/memberships are changed, MODE is issued
1580 *
1581 * Extensively modified to be hotpluggable, 03/09/06 -- nenolod
1582 */
1583 void
1584 set_channel_mode(struct Client *client_p, struct Client *source_p,
1585 struct Channel *chptr, struct membership *msptr, int parc, const char *parv[])
1586 {
1587 static char modebuf[BUFSIZE];
1588 static char parabuf[BUFSIZE];
1589 char *mbuf;
1590 char *pbuf;
1591 int cur_len, mlen, paralen, paracount, arglen, len;
1592 int i, j, flags;
1593 int dir = MODE_ADD;
1594 int parn = 1;
1595 int errors = 0;
1596 int alevel;
1597 const char *ml = parv[0];
1598 char c;
1599 struct Client *fakesource_p;
1600
1601 mask_pos = 0;
1602 mode_count = 0;
1603 mode_limit = 0;
1604 mode_limit_simple = 0;
1605
1606 alevel = get_channel_access(source_p, msptr);
1607
1608 /* Hide connecting server on netburst -- jilles */
1609 if (ConfigServerHide.flatten_links && IsServer(source_p) && !has_id(source_p) && !HasSentEob(source_p))
1610 fakesource_p = &me;
1611 else
1612 fakesource_p = source_p;
1613
1614 for(; (c = *ml) != 0; ml++)
1615 {
1616 switch (c)
1617 {
1618 case '+':
1619 dir = MODE_ADD;
1620 break;
1621 case '-':
1622 dir = MODE_DEL;
1623 break;
1624 case '=':
1625 dir = MODE_QUERY;
1626 break;
1627 default:
1628 /* If this mode char is locked, don't allow local users to change it. */
1629 if (MyClient(source_p) && chptr->mode_lock && strchr(chptr->mode_lock, c))
1630 {
1631 if (!(errors & SM_ERR_MLOCK))
1632 sendto_one_numeric(source_p,
1633 ERR_MLOCKRESTRICTED,
1634 form_str(ERR_MLOCKRESTRICTED),
1635 chptr->chname,
1636 c,
1637 chptr->mode_lock);
1638 errors |= SM_ERR_MLOCK;
1639 continue;
1640 }
1641 chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
1642 parc, &parn, parv,
1643 &errors, dir, c,
1644 chmode_table[(unsigned char) c].mode_type);
1645 break;
1646 }
1647 }
1648
1649 /* bail out if we have nothing to do... */
1650 if(!mode_count)
1651 return;
1652
1653 if(IsServer(source_p))
1654 mlen = rb_sprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
1655 else
1656 mlen = rb_sprintf(modebuf, ":%s!%s@%s MODE %s ",
1657 source_p->name, source_p->username,
1658 source_p->host, chptr->chname);
1659
1660 for(j = 0, flags = ALL_MEMBERS; j < 2; j++, flags = ONLY_CHANOPS)
1661 {
1662 cur_len = mlen;
1663 mbuf = modebuf + mlen;
1664 pbuf = parabuf;
1665 parabuf[0] = '\0';
1666 paracount = paralen = 0;
1667 dir = MODE_QUERY;
1668
1669 for(i = 0; i < mode_count; i++)
1670 {
1671 if(mode_changes[i].letter == 0 || mode_changes[i].mems != flags)
1672 continue;
1673
1674 if(mode_changes[i].arg != NULL)
1675 {
1676 arglen = strlen(mode_changes[i].arg);
1677
1678 if(arglen > MODEBUFLEN - 5)
1679 continue;
1680 }
1681 else
1682 arglen = 0;
1683
1684 /* if we're creeping over MAXMODEPARAMSSERV, or over
1685 * bufsize (4 == +/-,modechar,two spaces) send now.
1686 */
1687 if(mode_changes[i].arg != NULL &&
1688 ((paracount == MAXMODEPARAMSSERV) ||
1689 ((cur_len + paralen + arglen + 4) > (BUFSIZE - 3))))
1690 {
1691 *mbuf = '\0';
1692
1693 if(cur_len > mlen)
1694 sendto_channel_local(flags, chptr, "%s %s", modebuf,
1695 parabuf);
1696 else
1697 continue;
1698
1699 paracount = paralen = 0;
1700 cur_len = mlen;
1701 mbuf = modebuf + mlen;
1702 pbuf = parabuf;
1703 parabuf[0] = '\0';
1704 dir = MODE_QUERY;
1705 }
1706
1707 if(dir != mode_changes[i].dir)
1708 {
1709 *mbuf++ = (mode_changes[i].dir == MODE_ADD) ? '+' : '-';
1710 cur_len++;
1711 dir = mode_changes[i].dir;
1712 }
1713
1714 *mbuf++ = mode_changes[i].letter;
1715 cur_len++;
1716
1717 if(mode_changes[i].arg != NULL)
1718 {
1719 paracount++;
1720 len = rb_sprintf(pbuf, "%s ", mode_changes[i].arg);
1721 pbuf += len;
1722 paralen += len;
1723 }
1724 }
1725
1726 if(paralen && parabuf[paralen - 1] == ' ')
1727 parabuf[paralen - 1] = '\0';
1728
1729 *mbuf = '\0';
1730 if(cur_len > mlen)
1731 sendto_channel_local(flags, chptr, "%s %s", modebuf, parabuf);
1732 }
1733
1734 /* only propagate modes originating locally, or if we're hubbing */
1735 if(MyClient(source_p) || rb_dlink_list_length(&serv_list) > 1)
1736 send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
1737 }
1738
1739 /* set_channel_mlock()
1740 *
1741 * inputs - client, source, channel, params
1742 * output -
1743 * side effects - channel mlock is changed / MLOCK is propagated
1744 */
1745 void
1746 set_channel_mlock(struct Client *client_p, struct Client *source_p,
1747 struct Channel *chptr, const char *newmlock, int propagate)
1748 {
1749 rb_free(chptr->mode_lock);
1750 chptr->mode_lock = newmlock ? rb_strdup(newmlock) : NULL;
1751
1752 if (propagate)
1753 {
1754 sendto_server(client_p, NULL, CAP_TS6 | CAP_MLOCK, NOCAPS, ":%s MLOCK %ld %s :%s",
1755 source_p->id, (long) chptr->channelts, chptr->chname,
1756 chptr->mode_lock ? chptr->mode_lock : "");
1757 }
1758 }
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