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[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 static int removed_mask_pos;
69
70 char cflagsbuf[256];
71 char cflagsmyinfo[256];
72
73 int chmode_flags[256];
74
75 extern int h_get_channel_access;
76
77 /* OPTIMIZE ME! -- dwr */
78 void
79 construct_cflags_strings(void)
80 {
81 int i;
82 char *ptr = cflagsbuf;
83 char *ptr2 = cflagsmyinfo;
84
85 *ptr = '\0';
86 *ptr2 = '\0';
87
88 for(i = 0; i < 256; i++)
89 {
90 if( !(chmode_table[i].set_func == chm_ban) &&
91 !(chmode_table[i].set_func == chm_forward) &&
92 !(chmode_table[i].set_func == chm_throttle) &&
93 !(chmode_table[i].set_func == chm_key) &&
94 !(chmode_table[i].set_func == chm_limit) &&
95 !(chmode_table[i].set_func == chm_op) &&
96 !(chmode_table[i].set_func == chm_voice))
97 {
98 chmode_flags[i] = chmode_table[i].mode_type;
99 }
100 else
101 {
102 chmode_flags[i] = 0;
103 }
104
105 switch (chmode_flags[i])
106 {
107 case MODE_FREETARGET:
108 case MODE_DISFORWARD:
109 if(ConfigChannel.use_forward)
110 *ptr++ = (char) i;
111 break;
112 default:
113 if(chmode_flags[i] != 0)
114 {
115 *ptr++ = (char) i;
116 }
117 }
118
119 /* Should we leave orphaned check here? -- dwr */
120 if(!(chmode_table[i].set_func == chm_nosuch) && !(chmode_table[i].set_func == chm_orphaned))
121 {
122 *ptr2++ = (char) i;
123 }
124 }
125
126 *ptr++ = '\0';
127 *ptr2++ = '\0';
128 }
129
130 /*
131 * find_umode_slot
132 *
133 * inputs - NONE
134 * outputs - an available cflag bitmask or
135 * 0 if no cflags are available
136 * side effects - NONE
137 */
138 static unsigned int
139 find_cflag_slot(void)
140 {
141 unsigned int all_cflags = 0, my_cflag = 0, i;
142
143 for (i = 0; i < 256; i++)
144 all_cflags |= chmode_flags[i];
145
146 for (my_cflag = 1; my_cflag && (all_cflags & my_cflag);
147 my_cflag <<= 1);
148
149 return my_cflag;
150 }
151
152 unsigned int
153 cflag_add(char c_, ChannelModeFunc function)
154 {
155 int c = (unsigned char)c_;
156
157 if (chmode_table[c].set_func != chm_nosuch &&
158 chmode_table[c].set_func != chm_orphaned)
159 return 0;
160
161 if (chmode_table[c].set_func == chm_nosuch)
162 chmode_table[c].mode_type = find_cflag_slot();
163 if (chmode_table[c].mode_type == 0)
164 return 0;
165 chmode_table[c].set_func = function;
166 construct_cflags_strings();
167 return chmode_table[c].mode_type;
168 }
169
170 void
171 cflag_orphan(char c_)
172 {
173 int c = (unsigned char)c_;
174
175 s_assert(chmode_flags[c] != 0);
176 chmode_table[c].set_func = chm_orphaned;
177 construct_cflags_strings();
178 }
179
180 int
181 get_channel_access(struct Client *source_p, struct membership *msptr)
182 {
183 hook_data_channel_approval moduledata;
184
185 if(!MyClient(source_p))
186 return CHFL_CHANOP;
187
188 if (msptr == NULL)
189 return CHFL_PEON;
190
191 moduledata.client = source_p;
192 moduledata.chptr = msptr->chptr;
193 moduledata.msptr = msptr;
194 moduledata.target = NULL;
195 moduledata.approved = is_chanop(msptr) ? CHFL_CHANOP : CHFL_PEON;
196
197 call_hook(h_get_channel_access, &moduledata);
198
199 return moduledata.approved;
200 }
201
202 /* add_id()
203 *
204 * inputs - client, channel, id to add, type, forward
205 * outputs - 0 on failure, 1 on success
206 * side effects - given id is added to the appropriate list
207 */
208 int
209 add_id(struct Client *source_p, struct Channel *chptr, const char *banid, const char *forward,
210 rb_dlink_list * list, long mode_type)
211 {
212 struct Ban *actualBan;
213 static char who[USERHOST_REPLYLEN];
214 char *realban = LOCAL_COPY(banid);
215 rb_dlink_node *ptr;
216
217 /* dont let local clients overflow the banlist, or set redundant
218 * bans
219 */
220 if(MyClient(source_p))
221 {
222 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))
223 {
224 sendto_one(source_p, form_str(ERR_BANLISTFULL),
225 me.name, source_p->name, chptr->chname, realban);
226 return 0;
227 }
228
229 RB_DLINK_FOREACH(ptr, list->head)
230 {
231 actualBan = ptr->data;
232 if(mask_match(actualBan->banstr, realban))
233 return 0;
234 }
235 }
236 /* dont let remotes set duplicates */
237 else
238 {
239 RB_DLINK_FOREACH(ptr, list->head)
240 {
241 actualBan = ptr->data;
242 if(!irccmp(actualBan->banstr, realban))
243 return 0;
244 }
245 }
246
247
248 if(IsPerson(source_p))
249 rb_sprintf(who, "%s!%s@%s", source_p->name, source_p->username, source_p->host);
250 else
251 rb_strlcpy(who, source_p->name, sizeof(who));
252
253 actualBan = allocate_ban(realban, who, forward);
254 actualBan->when = rb_current_time();
255
256 rb_dlinkAdd(actualBan, &actualBan->node, list);
257
258 /* invalidate the can_send() cache */
259 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
260 chptr->bants++;
261
262 return 1;
263 }
264
265 /* del_id()
266 *
267 * inputs - channel, id to remove, type
268 * outputs - pointer to ban that was removed, if any
269 * side effects - given id is removed from the appropriate list and returned
270 */
271 struct Ban *
272 del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type)
273 {
274 rb_dlink_node *ptr;
275 struct Ban *banptr;
276
277 if(EmptyString(banid))
278 return NULL;
279
280 RB_DLINK_FOREACH(ptr, list->head)
281 {
282 banptr = ptr->data;
283
284 if(irccmp(banid, banptr->banstr) == 0)
285 {
286 rb_dlinkDelete(&banptr->node, list);
287
288 /* invalidate the can_send() cache */
289 if(mode_type == CHFL_BAN || mode_type == CHFL_QUIET || mode_type == CHFL_EXCEPTION)
290 chptr->bants++;
291
292 return banptr;
293 }
294 }
295
296 return NULL;
297 }
298
299 /* check_string()
300 *
301 * input - string to check
302 * output - pointer to 'fixed' string, or "*" if empty
303 * side effects - any white space found becomes \0
304 */
305 static char *
306 check_string(char *s)
307 {
308 char *str = s;
309 static char splat[] = "*";
310 if(!(s && *s))
311 return splat;
312
313 for(; *s; ++s)
314 {
315 if(IsSpace(*s))
316 {
317 *s = '\0';
318 break;
319 }
320 }
321 return str;
322 }
323
324 /* pretty_mask()
325 *
326 * inputs - mask to pretty
327 * outputs - better version of the mask
328 * side effects - mask is chopped to limits, and transformed:
329 * x!y@z => x!y@z
330 * y@z => *!y@z
331 * x!y => x!y@*
332 * x => x!*@*
333 * z.d => *!*@z.d
334 */
335 static char *
336 pretty_mask(const char *idmask)
337 {
338 static char mask_buf[BUFSIZE];
339 int old_mask_pos;
340 char *nick, *user, *host, *forward = NULL;
341 char splat[] = "*";
342 char *t, *at, *ex, *ex2;
343 char ne = 0, ue = 0, he = 0, fe = 0; /* save values at nick[NICKLEN], et all */
344 char e2 = 0; /* save value that delimits forward channel */
345 char *mask;
346
347 mask = LOCAL_COPY(idmask);
348 mask = check_string(mask);
349 collapse(mask);
350
351 nick = user = host = splat;
352
353 if((size_t) BUFSIZE - mask_pos < strlen(mask) + 5)
354 return NULL;
355
356 old_mask_pos = mask_pos;
357
358 if (*mask == '$')
359 {
360 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s", mask) + 1;
361 t = mask_buf + old_mask_pos + 1;
362 if (*t == '!')
363 *t = '~';
364 if (*t == '~')
365 t++;
366 *t = ToLower(*t);
367 return mask_buf + old_mask_pos;
368 }
369
370 at = ex = ex2 = NULL;
371 if((t = strchr(mask, '@')) != NULL)
372 {
373 at = t;
374 *t++ = '\0';
375 if(*t != '\0')
376 host = t;
377
378 if((t = strchr(mask, '!')) != NULL)
379 {
380 ex = t;
381 *t++ = '\0';
382 if(*t != '\0')
383 user = t;
384 if(*mask != '\0')
385 nick = mask;
386 }
387 else
388 {
389 if(*mask != '\0')
390 user = mask;
391 }
392
393 if((t = strchr(host, '!')) != NULL || (t = strchr(host, '$')) != NULL)
394 {
395 ex2 = t;
396 e2 = *t;
397 *t++= '\0';
398 if (*t != '\0')
399 forward = t;
400 }
401 }
402 else if((t = strchr(mask, '!')) != NULL)
403 {
404 ex = t;
405 *t++ = '\0';
406 if(*mask != '\0')
407 nick = mask;
408 if(*t != '\0')
409 user = t;
410 }
411 else if(strchr(mask, '.') != NULL || strchr(mask, ':') != NULL)
412 {
413 if(*mask != '\0')
414 host = mask;
415 }
416 else
417 {
418 if(*mask != '\0')
419 nick = mask;
420 }
421
422 /* truncate values to max lengths */
423 if(strlen(nick) > NICKLEN - 1)
424 {
425 ne = nick[NICKLEN - 1];
426 nick[NICKLEN - 1] = '\0';
427 }
428 if(strlen(user) > USERLEN)
429 {
430 ue = user[USERLEN];
431 user[USERLEN] = '\0';
432 }
433 if(strlen(host) > HOSTLEN)
434 {
435 he = host[HOSTLEN];
436 host[HOSTLEN] = '\0';
437 }
438 if(forward && strlen(forward) > CHANNELLEN)
439 {
440 fe = forward[CHANNELLEN];
441 forward[CHANNELLEN] = '\0';
442 }
443
444 if (forward)
445 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s!%s@%s$%s", nick, user, host, forward) + 1;
446 else
447 mask_pos += rb_sprintf(mask_buf + mask_pos, "%s!%s@%s", nick, user, host) + 1;
448
449 /* restore mask, since we may need to use it again later */
450 if(at)
451 *at = '@';
452 if(ex)
453 *ex = '!';
454 if(ex2)
455 *ex2 = e2;
456 if(ne)
457 nick[NICKLEN - 1] = ne;
458 if(ue)
459 user[USERLEN] = ue;
460 if(he)
461 host[HOSTLEN] = he;
462 if(fe)
463 forward[CHANNELLEN] = fe;
464
465 return mask_buf + old_mask_pos;
466 }
467
468 /* fix_key()
469 *
470 * input - key to fix
471 * output - the same key, fixed
472 * side effects - anything below ascii 13 is discarded, ':' discarded,
473 * high ascii is dropped to lower half of ascii table
474 */
475 static char *
476 fix_key(char *arg)
477 {
478 u_char *s, *t, c;
479
480 for(s = t = (u_char *) arg; (c = *s); s++)
481 {
482 c &= 0x7f;
483 if(c != ':' && c != ',' && c > ' ')
484 *t++ = c;
485 }
486
487 *t = '\0';
488 return arg;
489 }
490
491 /* fix_key_remote()
492 *
493 * input - key to fix
494 * ouput - the same key, fixed
495 * side effects - high ascii dropped to lower half of table,
496 * CR/LF/':' are dropped
497 */
498 static char *
499 fix_key_remote(char *arg)
500 {
501 u_char *s, *t, c;
502
503 for(s = t = (u_char *) arg; (c = *s); s++)
504 {
505 c &= 0x7f;
506 if((c != 0x0a) && (c != ':') && (c != ',') && (c != 0x0d) && (c != ' '))
507 *t++ = c;
508 }
509
510 *t = '\0';
511 return arg;
512 }
513
514 /* chm_*()
515 *
516 * The handlers for each specific mode.
517 */
518 void
519 chm_nosuch(struct Client *source_p, struct Channel *chptr,
520 int alevel, int parc, int *parn,
521 const char **parv, int *errors, int dir, char c, long mode_type)
522 {
523 if(*errors & SM_ERR_UNKNOWN)
524 return;
525 *errors |= SM_ERR_UNKNOWN;
526 sendto_one(source_p, form_str(ERR_UNKNOWNMODE), me.name, source_p->name, c);
527 }
528
529 void
530 chm_simple(struct Client *source_p, struct Channel *chptr,
531 int alevel, int parc, int *parn,
532 const char **parv, int *errors, int dir, char c, long mode_type)
533 {
534 if(alevel != CHFL_CHANOP)
535 {
536 if(!(*errors & SM_ERR_NOOPS))
537 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
538 me.name, source_p->name, chptr->chname);
539 *errors |= SM_ERR_NOOPS;
540 return;
541 }
542
543 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
544 return;
545
546 /* setting + */
547 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
548 {
549 /* if +f is disabled, ignore an attempt to set +QF locally */
550 if(!ConfigChannel.use_forward && MyClient(source_p) &&
551 (c == 'Q' || c == 'F'))
552 return;
553
554 chptr->mode.mode |= mode_type;
555
556 mode_changes[mode_count].letter = c;
557 mode_changes[mode_count].dir = MODE_ADD;
558 mode_changes[mode_count].caps = 0;
559 mode_changes[mode_count].nocaps = 0;
560 mode_changes[mode_count].id = NULL;
561 mode_changes[mode_count].mems = ALL_MEMBERS;
562 mode_changes[mode_count++].arg = NULL;
563 }
564 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
565 {
566 chptr->mode.mode &= ~mode_type;
567
568 mode_changes[mode_count].letter = c;
569 mode_changes[mode_count].dir = MODE_DEL;
570 mode_changes[mode_count].caps = 0;
571 mode_changes[mode_count].nocaps = 0;
572 mode_changes[mode_count].mems = ALL_MEMBERS;
573 mode_changes[mode_count].id = NULL;
574 mode_changes[mode_count++].arg = NULL;
575 }
576 }
577
578 void
579 chm_orphaned(struct Client *source_p, struct Channel *chptr,
580 int alevel, int parc, int *parn,
581 const char **parv, int *errors, int dir, char c, long mode_type)
582 {
583 if(MyClient(source_p))
584 return;
585
586 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
587 {
588 chptr->mode.mode |= mode_type;
589
590 mode_changes[mode_count].letter = c;
591 mode_changes[mode_count].dir = MODE_ADD;
592 mode_changes[mode_count].caps = 0;
593 mode_changes[mode_count].nocaps = 0;
594 mode_changes[mode_count].id = NULL;
595 mode_changes[mode_count].mems = ALL_MEMBERS;
596 mode_changes[mode_count++].arg = NULL;
597 }
598 else if((dir == MODE_DEL) && (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_DEL;
604 mode_changes[mode_count].caps = 0;
605 mode_changes[mode_count].nocaps = 0;
606 mode_changes[mode_count].mems = ALL_MEMBERS;
607 mode_changes[mode_count].id = NULL;
608 mode_changes[mode_count++].arg = NULL;
609 }
610 }
611
612 void
613 chm_staff(struct Client *source_p, struct Channel *chptr,
614 int alevel, int parc, int *parn,
615 const char **parv, int *errors, int dir, char c, long mode_type)
616 {
617 if(!IsOper(source_p) && !IsServer(source_p))
618 {
619 if(!(*errors & SM_ERR_NOPRIVS))
620 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
621 *errors |= SM_ERR_NOPRIVS;
622 return;
623 }
624 if(MyClient(source_p) && !IsOperResv(source_p))
625 {
626 if(!(*errors & SM_ERR_NOPRIVS))
627 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
628 source_p->name, "resv");
629 *errors |= SM_ERR_NOPRIVS;
630 return;
631 }
632
633 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
634 return;
635
636 /* setting + */
637 if((dir == MODE_ADD) && !(chptr->mode.mode & mode_type))
638 {
639 chptr->mode.mode |= mode_type;
640
641 mode_changes[mode_count].letter = c;
642 mode_changes[mode_count].dir = MODE_ADD;
643 mode_changes[mode_count].caps = 0;
644 mode_changes[mode_count].nocaps = 0;
645 mode_changes[mode_count].id = NULL;
646 mode_changes[mode_count].mems = ALL_MEMBERS;
647 mode_changes[mode_count++].arg = NULL;
648 }
649 else if((dir == MODE_DEL) && (chptr->mode.mode & mode_type))
650 {
651 chptr->mode.mode &= ~mode_type;
652
653 mode_changes[mode_count].letter = c;
654 mode_changes[mode_count].dir = MODE_DEL;
655 mode_changes[mode_count].caps = 0;
656 mode_changes[mode_count].nocaps = 0;
657 mode_changes[mode_count].mems = ALL_MEMBERS;
658 mode_changes[mode_count].id = NULL;
659 mode_changes[mode_count++].arg = NULL;
660 }
661 }
662
663 void
664 chm_ban(struct Client *source_p, struct Channel *chptr,
665 int alevel, int parc, int *parn,
666 const char **parv, int *errors, int dir, char c, long mode_type)
667 {
668 char *mask, *raw_mask, *forward;
669 rb_dlink_list *list;
670 rb_dlink_node *ptr;
671 struct Ban *banptr;
672 int errorval;
673 int rpl_list;
674 int rpl_endlist;
675 int caps;
676 int mems;
677
678 switch (mode_type)
679 {
680 case CHFL_BAN:
681 list = &chptr->banlist;
682 errorval = SM_ERR_RPL_B;
683 rpl_list = RPL_BANLIST;
684 rpl_endlist = RPL_ENDOFBANLIST;
685 mems = ALL_MEMBERS;
686 caps = 0;
687 break;
688
689 case CHFL_EXCEPTION:
690 /* if +e is disabled, allow all but +e locally */
691 if(!ConfigChannel.use_except && MyClient(source_p) &&
692 ((dir == MODE_ADD) && (parc > *parn)))
693 return;
694
695 list = &chptr->exceptlist;
696 errorval = SM_ERR_RPL_E;
697 rpl_list = RPL_EXCEPTLIST;
698 rpl_endlist = RPL_ENDOFEXCEPTLIST;
699 caps = CAP_EX;
700
701 if(ConfigChannel.use_except || (dir == MODE_DEL))
702 mems = ONLY_CHANOPS;
703 else
704 mems = ONLY_SERVERS;
705 break;
706
707 case CHFL_INVEX:
708 /* if +I is disabled, allow all but +I locally */
709 if(!ConfigChannel.use_invex && MyClient(source_p) &&
710 (dir == MODE_ADD) && (parc > *parn))
711 return;
712
713 list = &chptr->invexlist;
714 errorval = SM_ERR_RPL_I;
715 rpl_list = RPL_INVITELIST;
716 rpl_endlist = RPL_ENDOFINVITELIST;
717 caps = CAP_IE;
718
719 if(ConfigChannel.use_invex || (dir == MODE_DEL))
720 mems = ONLY_CHANOPS;
721 else
722 mems = ONLY_SERVERS;
723 break;
724
725 case CHFL_QUIET:
726 list = &chptr->quietlist;
727 errorval = SM_ERR_RPL_Q;
728 rpl_list = RPL_QUIETLIST;
729 rpl_endlist = RPL_ENDOFQUIETLIST;
730 mems = ALL_MEMBERS;
731 caps = 0;
732 break;
733
734 default:
735 sendto_realops_snomask(SNO_GENERAL, L_ALL, "chm_ban() called with unknown type!");
736 return;
737 break;
738 }
739
740 if(dir == 0 || parc <= *parn)
741 {
742 if((*errors & errorval) != 0)
743 return;
744 *errors |= errorval;
745
746 /* non-ops cant see +eI lists.. */
747 if(alevel != CHFL_CHANOP && mode_type != CHFL_BAN &&
748 mode_type != CHFL_QUIET)
749 {
750 if(!(*errors & SM_ERR_NOOPS))
751 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
752 me.name, source_p->name, chptr->chname);
753 *errors |= SM_ERR_NOOPS;
754 return;
755 }
756
757 RB_DLINK_FOREACH(ptr, list->head)
758 {
759 char buf[BANLEN];
760 banptr = ptr->data;
761 if(banptr->forward)
762 rb_snprintf(buf, sizeof(buf), "%s$%s", banptr->banstr, banptr->forward);
763 else
764 rb_strlcpy(buf, banptr->banstr, sizeof(buf));
765
766 sendto_one(source_p, form_str(rpl_list),
767 me.name, source_p->name, chptr->chname,
768 buf, banptr->who, banptr->when);
769 }
770 sendto_one(source_p, form_str(rpl_endlist), me.name, source_p->name, chptr->chname);
771 return;
772 }
773
774 if(alevel != CHFL_CHANOP)
775 {
776 if(!(*errors & SM_ERR_NOOPS))
777 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
778 me.name, source_p->name, chptr->chname);
779 *errors |= SM_ERR_NOOPS;
780 return;
781 }
782
783 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
784 return;
785
786 raw_mask = parv[(*parn)];
787 (*parn)++;
788
789 /* empty ban, or starts with ':' which messes up s2s, ignore it */
790 if(EmptyString(raw_mask) || *raw_mask == ':')
791 return;
792
793 if(!MyClient(source_p))
794 {
795 if(strchr(raw_mask, ' '))
796 return;
797
798 mask = raw_mask;
799 }
800 else
801 mask = pretty_mask(raw_mask);
802
803 /* we'd have problems parsing this, hyb6 does it too
804 * also make sure it will always fit on a line with channel
805 * name etc.
806 */
807 if(strlen(mask) > IRCD_MIN(BANLEN, MODEBUFLEN - 5))
808 return;
809
810 /* Look for a $ after the first character.
811 * As the first character, it marks an extban; afterwards
812 * it delimits a forward channel.
813 */
814 if ((forward = strchr(mask+1, '$')) != NULL)
815 {
816 *forward++ = '\0';
817 if (*forward == '\0')
818 forward = NULL;
819 }
820
821 /* if we're adding a NEW id */
822 if(dir == MODE_ADD)
823 {
824 if (*mask == '$' && MyClient(source_p))
825 {
826 if (!valid_extban(mask, source_p, chptr, mode_type))
827 /* XXX perhaps return an error message here */
828 return;
829 }
830
831 if(forward != NULL && !ConfigChannel.use_forward &&
832 MyClient(source_p))
833 forward = NULL;
834
835 /* dont allow local clients to overflow the banlist, dont
836 * let remote servers set duplicate bans
837 */
838 if(!add_id(source_p, chptr, mask, forward, list, mode_type))
839 return;
840
841 if(forward)
842 forward[-1]= '$';
843
844 mode_changes[mode_count].letter = c;
845 mode_changes[mode_count].dir = MODE_ADD;
846 mode_changes[mode_count].caps = caps;
847 mode_changes[mode_count].nocaps = 0;
848 mode_changes[mode_count].mems = mems;
849 mode_changes[mode_count].id = NULL;
850 mode_changes[mode_count++].arg = mask;
851 }
852 else if(dir == MODE_DEL)
853 {
854 struct Ban *removed;
855 static char buf[BANLEN * MAXMODEPARAMS];
856 int old_removed_mask_pos = removed_mask_pos;
857 if((removed = del_id(chptr, mask, list, mode_type)) == NULL)
858 {
859 /* mask isn't a valid ban, check raw_mask */
860 if((removed = del_id(chptr, raw_mask, list, mode_type)) != NULL)
861 mask = raw_mask;
862 }
863
864 if(removed && removed->forward)
865 removed_mask_pos += rb_snprintf(buf, sizeof(buf), "%s$%s", removed->banstr, removed->forward);
866 else
867 removed_mask_pos += rb_strlcpy(buf, mask, sizeof(buf));
868 if(removed)
869 {
870 free_ban(removed);
871 removed = NULL;
872 }
873
874 mode_changes[mode_count].letter = c;
875 mode_changes[mode_count].dir = MODE_DEL;
876 mode_changes[mode_count].caps = caps;
877 mode_changes[mode_count].nocaps = 0;
878 mode_changes[mode_count].mems = mems;
879 mode_changes[mode_count].id = NULL;
880 mode_changes[mode_count++].arg = buf + old_removed_mask_pos;
881 }
882 }
883
884 void
885 chm_op(struct Client *source_p, struct Channel *chptr,
886 int alevel, int parc, int *parn,
887 const char **parv, int *errors, int dir, char c, long mode_type)
888 {
889 struct membership *mstptr;
890 const char *opnick;
891 struct Client *targ_p;
892
893 if(alevel != CHFL_CHANOP)
894 {
895 if(!(*errors & SM_ERR_NOOPS))
896 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
897 me.name, source_p->name, chptr->chname);
898 *errors |= SM_ERR_NOOPS;
899 return;
900 }
901
902 if((dir == MODE_QUERY) || (parc <= *parn))
903 return;
904
905 opnick = parv[(*parn)];
906 (*parn)++;
907
908 /* empty nick */
909 if(EmptyString(opnick))
910 {
911 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
912 return;
913 }
914
915 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
916 {
917 return;
918 }
919
920 mstptr = find_channel_membership(chptr, targ_p);
921
922 if(mstptr == NULL)
923 {
924 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
925 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
926 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
927 *errors |= SM_ERR_NOTONCHANNEL;
928 return;
929 }
930
931 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
932 return;
933
934 if(dir == MODE_ADD)
935 {
936 if(targ_p == source_p && mstptr->flags & CHFL_CHANOP)
937 return;
938
939 mode_changes[mode_count].letter = c;
940 mode_changes[mode_count].dir = MODE_ADD;
941 mode_changes[mode_count].caps = 0;
942 mode_changes[mode_count].nocaps = 0;
943 mode_changes[mode_count].mems = ALL_MEMBERS;
944 mode_changes[mode_count].id = targ_p->id;
945 mode_changes[mode_count].arg = targ_p->name;
946 mode_changes[mode_count++].client = targ_p;
947
948 mstptr->flags |= CHFL_CHANOP;
949 }
950 else
951 {
952 if(MyClient(source_p) && IsService(targ_p))
953 {
954 sendto_one(source_p, form_str(ERR_ISCHANSERVICE),
955 me.name, source_p->name, targ_p->name, chptr->chname);
956 return;
957 }
958
959 mode_changes[mode_count].letter = c;
960 mode_changes[mode_count].dir = MODE_DEL;
961 mode_changes[mode_count].caps = 0;
962 mode_changes[mode_count].nocaps = 0;
963 mode_changes[mode_count].mems = ALL_MEMBERS;
964 mode_changes[mode_count].id = targ_p->id;
965 mode_changes[mode_count].arg = targ_p->name;
966 mode_changes[mode_count++].client = targ_p;
967
968 mstptr->flags &= ~CHFL_CHANOP;
969 }
970 }
971
972 void
973 chm_voice(struct Client *source_p, struct Channel *chptr,
974 int alevel, int parc, int *parn,
975 const char **parv, int *errors, int dir, char c, long mode_type)
976 {
977 struct membership *mstptr;
978 const char *opnick;
979 struct Client *targ_p;
980
981 if(alevel != CHFL_CHANOP)
982 {
983 if(!(*errors & SM_ERR_NOOPS))
984 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
985 me.name, source_p->name, chptr->chname);
986 *errors |= SM_ERR_NOOPS;
987 return;
988 }
989
990 if((dir == MODE_QUERY) || parc <= *parn)
991 return;
992
993 opnick = parv[(*parn)];
994 (*parn)++;
995
996 /* empty nick */
997 if(EmptyString(opnick))
998 {
999 sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), "*");
1000 return;
1001 }
1002
1003 if((targ_p = find_chasing(source_p, opnick, NULL)) == NULL)
1004 {
1005 return;
1006 }
1007
1008 mstptr = find_channel_membership(chptr, targ_p);
1009
1010 if(mstptr == NULL)
1011 {
1012 if(!(*errors & SM_ERR_NOTONCHANNEL) && MyClient(source_p))
1013 sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
1014 form_str(ERR_USERNOTINCHANNEL), opnick, chptr->chname);
1015 *errors |= SM_ERR_NOTONCHANNEL;
1016 return;
1017 }
1018
1019 if(MyClient(source_p) && (++mode_limit > MAXMODEPARAMS))
1020 return;
1021
1022 if(dir == MODE_ADD)
1023 {
1024 mode_changes[mode_count].letter = c;
1025 mode_changes[mode_count].dir = MODE_ADD;
1026 mode_changes[mode_count].caps = 0;
1027 mode_changes[mode_count].nocaps = 0;
1028 mode_changes[mode_count].mems = ALL_MEMBERS;
1029 mode_changes[mode_count].id = targ_p->id;
1030 mode_changes[mode_count].arg = targ_p->name;
1031 mode_changes[mode_count++].client = targ_p;
1032
1033 mstptr->flags |= CHFL_VOICE;
1034 }
1035 else
1036 {
1037 mode_changes[mode_count].letter = 'v';
1038 mode_changes[mode_count].dir = MODE_DEL;
1039 mode_changes[mode_count].caps = 0;
1040 mode_changes[mode_count].nocaps = 0;
1041 mode_changes[mode_count].mems = ALL_MEMBERS;
1042 mode_changes[mode_count].id = targ_p->id;
1043 mode_changes[mode_count].arg = targ_p->name;
1044 mode_changes[mode_count++].client = targ_p;
1045
1046 mstptr->flags &= ~CHFL_VOICE;
1047 }
1048 }
1049
1050 void
1051 chm_limit(struct Client *source_p, struct Channel *chptr,
1052 int alevel, int parc, int *parn,
1053 const char **parv, int *errors, int dir, char c, long mode_type)
1054 {
1055 const char *lstr;
1056 static char limitstr[30];
1057 int limit;
1058
1059 if(alevel != CHFL_CHANOP)
1060 {
1061 if(!(*errors & SM_ERR_NOOPS))
1062 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1063 me.name, source_p->name, chptr->chname);
1064 *errors |= SM_ERR_NOOPS;
1065 return;
1066 }
1067
1068 if(dir == MODE_QUERY)
1069 return;
1070
1071 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1072 return;
1073
1074 if((dir == MODE_ADD) && parc > *parn)
1075 {
1076 lstr = parv[(*parn)];
1077 (*parn)++;
1078
1079 if(EmptyString(lstr) || (limit = atoi(lstr)) <= 0)
1080 return;
1081
1082 rb_sprintf(limitstr, "%d", limit);
1083
1084 mode_changes[mode_count].letter = c;
1085 mode_changes[mode_count].dir = MODE_ADD;
1086 mode_changes[mode_count].caps = 0;
1087 mode_changes[mode_count].nocaps = 0;
1088 mode_changes[mode_count].mems = ALL_MEMBERS;
1089 mode_changes[mode_count].id = NULL;
1090 mode_changes[mode_count++].arg = limitstr;
1091
1092 chptr->mode.limit = limit;
1093 }
1094 else if(dir == MODE_DEL)
1095 {
1096 if(!chptr->mode.limit)
1097 return;
1098
1099 chptr->mode.limit = 0;
1100
1101 mode_changes[mode_count].letter = c;
1102 mode_changes[mode_count].dir = MODE_DEL;
1103 mode_changes[mode_count].caps = 0;
1104 mode_changes[mode_count].nocaps = 0;
1105 mode_changes[mode_count].mems = ALL_MEMBERS;
1106 mode_changes[mode_count].id = NULL;
1107 mode_changes[mode_count++].arg = NULL;
1108 }
1109 }
1110
1111 void
1112 chm_throttle(struct Client *source_p, struct Channel *chptr,
1113 int alevel, int parc, int *parn,
1114 const char **parv, int *errors, int dir, char c, long mode_type)
1115 {
1116 int joins = 0, timeslice = 0;
1117
1118 if(alevel != CHFL_CHANOP)
1119 {
1120 if(!(*errors & SM_ERR_NOOPS))
1121 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1122 me.name, source_p->name, chptr->chname);
1123 *errors |= SM_ERR_NOOPS;
1124 return;
1125 }
1126
1127 if(dir == MODE_QUERY)
1128 return;
1129
1130 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1131 return;
1132
1133 if((dir == MODE_ADD) && parc > *parn)
1134 {
1135 sscanf(parv[(*parn)], "%d:%d", &joins, &timeslice);
1136
1137 if(!joins || !timeslice)
1138 return;
1139
1140 mode_changes[mode_count].letter = c;
1141 mode_changes[mode_count].dir = MODE_ADD;
1142 mode_changes[mode_count].caps = 0;
1143 mode_changes[mode_count].nocaps = 0;
1144 mode_changes[mode_count].mems = ALL_MEMBERS;
1145 mode_changes[mode_count].id = NULL;
1146 mode_changes[mode_count++].arg = parv[(*parn)];
1147
1148 (*parn)++;
1149
1150 chptr->mode.join_num = joins;
1151 chptr->mode.join_time = timeslice;
1152 }
1153 else if(dir == MODE_DEL)
1154 {
1155 if(!chptr->mode.join_num)
1156 return;
1157
1158 chptr->mode.join_num = 0;
1159 chptr->mode.join_time = 0;
1160 chptr->join_count = 0;
1161 chptr->join_delta = 0;
1162
1163 mode_changes[mode_count].letter = c;
1164 mode_changes[mode_count].dir = MODE_DEL;
1165 mode_changes[mode_count].caps = 0;
1166 mode_changes[mode_count].nocaps = 0;
1167 mode_changes[mode_count].mems = ALL_MEMBERS;
1168 mode_changes[mode_count].id = NULL;
1169 mode_changes[mode_count++].arg = NULL;
1170 }
1171 }
1172
1173 void
1174 chm_forward(struct Client *source_p, struct Channel *chptr,
1175 int alevel, int parc, int *parn,
1176 const char **parv, int *errors, int dir, char c, long mode_type)
1177 {
1178 struct Channel *targptr = NULL;
1179 struct membership *msptr;
1180 const char *forward;
1181
1182 /* if +f is disabled, ignore local attempts to set it */
1183 if(!ConfigChannel.use_forward && MyClient(source_p) &&
1184 (dir == MODE_ADD) && (parc > *parn))
1185 return;
1186
1187 if(dir == MODE_QUERY || (dir == MODE_ADD && parc <= *parn))
1188 {
1189 if (!(*errors & SM_ERR_RPL_F))
1190 {
1191 if (*chptr->mode.forward == '\0')
1192 sendto_one_notice(source_p, ":%s has no forward channel", chptr->chname);
1193 else
1194 sendto_one_notice(source_p, ":%s forward channel is %s", chptr->chname, chptr->mode.forward);
1195 *errors |= SM_ERR_RPL_F;
1196 }
1197 return;
1198 }
1199
1200 #ifndef FORWARD_OPERONLY
1201 if(alevel != CHFL_CHANOP)
1202 {
1203 if(!(*errors & SM_ERR_NOOPS))
1204 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1205 me.name, source_p->name, chptr->chname);
1206 *errors |= SM_ERR_NOOPS;
1207 return;
1208 }
1209 #else
1210 if(!IsOper(source_p) && !IsServer(source_p))
1211 {
1212 if(!(*errors & SM_ERR_NOPRIVS))
1213 sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES));
1214 *errors |= SM_ERR_NOPRIVS;
1215 return;
1216 }
1217 #endif
1218
1219 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1220 return;
1221
1222 if(dir == MODE_ADD && parc > *parn)
1223 {
1224 forward = parv[(*parn)];
1225 (*parn)++;
1226
1227 if(EmptyString(forward))
1228 return;
1229 if(!check_channel_name(forward) ||
1230 (MyClient(source_p) && (strlen(forward) > LOC_CHANNELLEN || hash_find_resv(forward))))
1231 {
1232 sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), forward);
1233 return;
1234 }
1235 /* don't forward to inconsistent target -- jilles */
1236 if(chptr->chname[0] == '#' && forward[0] == '&')
1237 {
1238 sendto_one_numeric(source_p, ERR_BADCHANNAME,
1239 form_str(ERR_BADCHANNAME), forward);
1240 return;
1241 }
1242 if(MyClient(source_p) && (targptr = find_channel(forward)) == NULL)
1243 {
1244 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
1245 form_str(ERR_NOSUCHCHANNEL), forward);
1246 return;
1247 }
1248 if(MyClient(source_p) && !(targptr->mode.mode & MODE_FREETARGET))
1249 {
1250 if((msptr = find_channel_membership(targptr, source_p)) == NULL ||
1251 get_channel_access(source_p, msptr) != CHFL_CHANOP)
1252 {
1253 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1254 me.name, source_p->name, targptr->chname);
1255 return;
1256 }
1257 }
1258
1259 rb_strlcpy(chptr->mode.forward, forward, sizeof(chptr->mode.forward));
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 =
1266 ConfigChannel.use_forward ? ALL_MEMBERS : ONLY_SERVERS;
1267 mode_changes[mode_count].id = NULL;
1268 mode_changes[mode_count++].arg = forward;
1269 }
1270 else if(dir == MODE_DEL)
1271 {
1272 if(!(*chptr->mode.forward))
1273 return;
1274
1275 *chptr->mode.forward = '\0';
1276
1277 mode_changes[mode_count].letter = c;
1278 mode_changes[mode_count].dir = MODE_DEL;
1279 mode_changes[mode_count].caps = 0;
1280 mode_changes[mode_count].nocaps = 0;
1281 mode_changes[mode_count].mems = ALL_MEMBERS;
1282 mode_changes[mode_count].id = NULL;
1283 mode_changes[mode_count++].arg = NULL;
1284 }
1285 }
1286
1287 void
1288 chm_key(struct Client *source_p, struct Channel *chptr,
1289 int alevel, int parc, int *parn,
1290 const char **parv, int *errors, int dir, char c, long mode_type)
1291 {
1292 char *key;
1293
1294 if(alevel != CHFL_CHANOP)
1295 {
1296 if(!(*errors & SM_ERR_NOOPS))
1297 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
1298 me.name, source_p->name, chptr->chname);
1299 *errors |= SM_ERR_NOOPS;
1300 return;
1301 }
1302
1303 if(dir == MODE_QUERY)
1304 return;
1305
1306 if(MyClient(source_p) && (++mode_limit_simple > MAXMODES_SIMPLE))
1307 return;
1308
1309 if((dir == MODE_ADD) && parc > *parn)
1310 {
1311 key = LOCAL_COPY(parv[(*parn)]);
1312 (*parn)++;
1313
1314 if(MyClient(source_p))
1315 fix_key(key);
1316 else
1317 fix_key_remote(key);
1318
1319 if(EmptyString(key))
1320 return;
1321
1322 s_assert(key[0] != ' ');
1323 rb_strlcpy(chptr->mode.key, key, sizeof(chptr->mode.key));
1324
1325 mode_changes[mode_count].letter = c;
1326 mode_changes[mode_count].dir = MODE_ADD;
1327 mode_changes[mode_count].caps = 0;
1328 mode_changes[mode_count].nocaps = 0;
1329 mode_changes[mode_count].mems = ALL_MEMBERS;
1330 mode_changes[mode_count].id = NULL;
1331 mode_changes[mode_count++].arg = chptr->mode.key;
1332 }
1333 else if(dir == MODE_DEL)
1334 {
1335 static char splat[] = "*";
1336 int i;
1337
1338 if(parc > *parn)
1339 (*parn)++;
1340
1341 if(!(*chptr->mode.key))
1342 return;
1343
1344 /* hack time. when we get a +k-k mode, the +k arg is
1345 * chptr->mode.key, which the -k sets to \0, so hunt for a
1346 * +k when we get a -k, and set the arg to splat. --anfl
1347 */
1348 for(i = 0; i < mode_count; i++)
1349 {
1350 if(mode_changes[i].letter == 'k' && mode_changes[i].dir == MODE_ADD)
1351 mode_changes[i].arg = splat;
1352 }
1353
1354 *chptr->mode.key = 0;
1355
1356 mode_changes[mode_count].letter = c;
1357 mode_changes[mode_count].dir = MODE_DEL;
1358 mode_changes[mode_count].caps = 0;
1359 mode_changes[mode_count].nocaps = 0;
1360 mode_changes[mode_count].mems = ALL_MEMBERS;
1361 mode_changes[mode_count].id = NULL;
1362 mode_changes[mode_count++].arg = "*";
1363 }
1364 }
1365
1366 /* *INDENT-OFF* */
1367 struct ChannelMode chmode_table[256] =
1368 {
1369 {chm_nosuch, 0 }, /* 0x00 */
1370 {chm_nosuch, 0 }, /* 0x01 */
1371 {chm_nosuch, 0 }, /* 0x02 */
1372 {chm_nosuch, 0 }, /* 0x03 */
1373 {chm_nosuch, 0 }, /* 0x04 */
1374 {chm_nosuch, 0 }, /* 0x05 */
1375 {chm_nosuch, 0 }, /* 0x06 */
1376 {chm_nosuch, 0 }, /* 0x07 */
1377 {chm_nosuch, 0 }, /* 0x08 */
1378 {chm_nosuch, 0 }, /* 0x09 */
1379 {chm_nosuch, 0 }, /* 0x0a */
1380 {chm_nosuch, 0 }, /* 0x0b */
1381 {chm_nosuch, 0 }, /* 0x0c */
1382 {chm_nosuch, 0 }, /* 0x0d */
1383 {chm_nosuch, 0 }, /* 0x0e */
1384 {chm_nosuch, 0 }, /* 0x0f */
1385 {chm_nosuch, 0 }, /* 0x10 */
1386 {chm_nosuch, 0 }, /* 0x11 */
1387 {chm_nosuch, 0 }, /* 0x12 */
1388 {chm_nosuch, 0 }, /* 0x13 */
1389 {chm_nosuch, 0 }, /* 0x14 */
1390 {chm_nosuch, 0 }, /* 0x15 */
1391 {chm_nosuch, 0 }, /* 0x16 */
1392 {chm_nosuch, 0 }, /* 0x17 */
1393 {chm_nosuch, 0 }, /* 0x18 */
1394 {chm_nosuch, 0 }, /* 0x19 */
1395 {chm_nosuch, 0 }, /* 0x1a */
1396 {chm_nosuch, 0 }, /* 0x1b */
1397 {chm_nosuch, 0 }, /* 0x1c */
1398 {chm_nosuch, 0 }, /* 0x1d */
1399 {chm_nosuch, 0 }, /* 0x1e */
1400 {chm_nosuch, 0 }, /* 0x1f */
1401 {chm_nosuch, 0 }, /* 0x20 */
1402 {chm_nosuch, 0 }, /* 0x21 */
1403 {chm_nosuch, 0 }, /* 0x22 */
1404 {chm_nosuch, 0 }, /* 0x23 */
1405 {chm_nosuch, 0 }, /* 0x24 */
1406 {chm_nosuch, 0 }, /* 0x25 */
1407 {chm_nosuch, 0 }, /* 0x26 */
1408 {chm_nosuch, 0 }, /* 0x27 */
1409 {chm_nosuch, 0 }, /* 0x28 */
1410 {chm_nosuch, 0 }, /* 0x29 */
1411 {chm_nosuch, 0 }, /* 0x2a */
1412 {chm_nosuch, 0 }, /* 0x2b */
1413 {chm_nosuch, 0 }, /* 0x2c */
1414 {chm_nosuch, 0 }, /* 0x2d */
1415 {chm_nosuch, 0 }, /* 0x2e */
1416 {chm_nosuch, 0 }, /* 0x2f */
1417 {chm_nosuch, 0 }, /* 0x30 */
1418 {chm_nosuch, 0 }, /* 0x31 */
1419 {chm_nosuch, 0 }, /* 0x32 */
1420 {chm_nosuch, 0 }, /* 0x33 */
1421 {chm_nosuch, 0 }, /* 0x34 */
1422 {chm_nosuch, 0 }, /* 0x35 */
1423 {chm_nosuch, 0 }, /* 0x36 */
1424 {chm_nosuch, 0 }, /* 0x37 */
1425 {chm_nosuch, 0 }, /* 0x38 */
1426 {chm_nosuch, 0 }, /* 0x39 */
1427 {chm_nosuch, 0 }, /* 0x3a */
1428 {chm_nosuch, 0 }, /* 0x3b */
1429 {chm_nosuch, 0 }, /* 0x3c */
1430 {chm_nosuch, 0 }, /* 0x3d */
1431 {chm_nosuch, 0 }, /* 0x3e */
1432 {chm_nosuch, 0 }, /* 0x3f */
1433
1434 {chm_nosuch, 0 }, /* @ */
1435 {chm_nosuch, 0 }, /* A */
1436 {chm_nosuch, 0 }, /* B */
1437 {chm_simple, MODE_NOCTCP }, /* C */
1438 {chm_nosuch, 0 }, /* D */
1439 {chm_nosuch, 0 }, /* E */
1440 {chm_simple, MODE_FREETARGET }, /* F */
1441 {chm_nosuch, 0 }, /* G */
1442 {chm_nosuch, 0 }, /* H */
1443 {chm_ban, CHFL_INVEX }, /* I */
1444 {chm_nosuch, 0 }, /* J */
1445 {chm_nosuch, 0 }, /* K */
1446 {chm_staff, MODE_EXLIMIT }, /* L */
1447 {chm_nosuch, 0 }, /* M */
1448 {chm_nosuch, 0 }, /* N */
1449 {chm_nosuch, 0 }, /* O */
1450 {chm_staff, MODE_PERMANENT }, /* P */
1451 {chm_simple, MODE_DISFORWARD }, /* Q */
1452 {chm_nosuch, 0 }, /* R */
1453 {chm_nosuch, 0 }, /* S */
1454 {chm_nosuch, 0 }, /* T */
1455 {chm_nosuch, 0 }, /* U */
1456 {chm_nosuch, 0 }, /* V */
1457 {chm_nosuch, 0 }, /* W */
1458 {chm_nosuch, 0 }, /* X */
1459 {chm_nosuch, 0 }, /* Y */
1460 {chm_nosuch, 0 }, /* Z */
1461 {chm_nosuch, 0 },
1462 {chm_nosuch, 0 },
1463 {chm_nosuch, 0 },
1464 {chm_nosuch, 0 },
1465 {chm_nosuch, 0 },
1466 {chm_nosuch, 0 },
1467 {chm_nosuch, 0 }, /* a */
1468 {chm_ban, CHFL_BAN }, /* b */
1469 {chm_simple, MODE_NOCOLOR }, /* c */
1470 {chm_nosuch, 0 }, /* d */
1471 {chm_ban, CHFL_EXCEPTION }, /* e */
1472 {chm_forward, 0 }, /* f */
1473 {chm_simple, MODE_FREEINVITE }, /* g */
1474 {chm_nosuch, 0 }, /* h */
1475 {chm_simple, MODE_INVITEONLY }, /* i */
1476 {chm_throttle, 0 }, /* j */
1477 {chm_key, 0 }, /* k */
1478 {chm_limit, 0 }, /* l */
1479 {chm_simple, MODE_MODERATED }, /* m */
1480 {chm_simple, MODE_NOPRIVMSGS }, /* n */
1481 {chm_op, 0 }, /* o */
1482 {chm_simple, MODE_PRIVATE }, /* p */
1483 {chm_ban, CHFL_QUIET }, /* q */
1484 {chm_simple, MODE_REGONLY }, /* r */
1485 {chm_simple, MODE_SECRET }, /* s */
1486 {chm_simple, MODE_TOPICLIMIT }, /* t */
1487 {chm_nosuch, 0 }, /* u */
1488 {chm_voice, 0 }, /* v */
1489 {chm_nosuch, 0 }, /* w */
1490 {chm_nosuch, 0 }, /* x */
1491 {chm_nosuch, 0 }, /* y */
1492 {chm_simple, MODE_OPMODERATE }, /* z */
1493
1494 {chm_nosuch, 0 }, /* 0x7b */
1495 {chm_nosuch, 0 }, /* 0x7c */
1496 {chm_nosuch, 0 }, /* 0x7d */
1497 {chm_nosuch, 0 }, /* 0x7e */
1498 {chm_nosuch, 0 }, /* 0x7f */
1499
1500 {chm_nosuch, 0 }, /* 0x80 */
1501 {chm_nosuch, 0 }, /* 0x81 */
1502 {chm_nosuch, 0 }, /* 0x82 */
1503 {chm_nosuch, 0 }, /* 0x83 */
1504 {chm_nosuch, 0 }, /* 0x84 */
1505 {chm_nosuch, 0 }, /* 0x85 */
1506 {chm_nosuch, 0 }, /* 0x86 */
1507 {chm_nosuch, 0 }, /* 0x87 */
1508 {chm_nosuch, 0 }, /* 0x88 */
1509 {chm_nosuch, 0 }, /* 0x89 */
1510 {chm_nosuch, 0 }, /* 0x8a */
1511 {chm_nosuch, 0 }, /* 0x8b */
1512 {chm_nosuch, 0 }, /* 0x8c */
1513 {chm_nosuch, 0 }, /* 0x8d */
1514 {chm_nosuch, 0 }, /* 0x8e */
1515 {chm_nosuch, 0 }, /* 0x8f */
1516
1517 {chm_nosuch, 0 }, /* 0x90 */
1518 {chm_nosuch, 0 }, /* 0x91 */
1519 {chm_nosuch, 0 }, /* 0x92 */
1520 {chm_nosuch, 0 }, /* 0x93 */
1521 {chm_nosuch, 0 }, /* 0x94 */
1522 {chm_nosuch, 0 }, /* 0x95 */
1523 {chm_nosuch, 0 }, /* 0x96 */
1524 {chm_nosuch, 0 }, /* 0x97 */
1525 {chm_nosuch, 0 }, /* 0x98 */
1526 {chm_nosuch, 0 }, /* 0x99 */
1527 {chm_nosuch, 0 }, /* 0x9a */
1528 {chm_nosuch, 0 }, /* 0x9b */
1529 {chm_nosuch, 0 }, /* 0x9c */
1530 {chm_nosuch, 0 }, /* 0x9d */
1531 {chm_nosuch, 0 }, /* 0x9e */
1532 {chm_nosuch, 0 }, /* 0x9f */
1533
1534 {chm_nosuch, 0 }, /* 0xa0 */
1535 {chm_nosuch, 0 }, /* 0xa1 */
1536 {chm_nosuch, 0 }, /* 0xa2 */
1537 {chm_nosuch, 0 }, /* 0xa3 */
1538 {chm_nosuch, 0 }, /* 0xa4 */
1539 {chm_nosuch, 0 }, /* 0xa5 */
1540 {chm_nosuch, 0 }, /* 0xa6 */
1541 {chm_nosuch, 0 }, /* 0xa7 */
1542 {chm_nosuch, 0 }, /* 0xa8 */
1543 {chm_nosuch, 0 }, /* 0xa9 */
1544 {chm_nosuch, 0 }, /* 0xaa */
1545 {chm_nosuch, 0 }, /* 0xab */
1546 {chm_nosuch, 0 }, /* 0xac */
1547 {chm_nosuch, 0 }, /* 0xad */
1548 {chm_nosuch, 0 }, /* 0xae */
1549 {chm_nosuch, 0 }, /* 0xaf */
1550
1551 {chm_nosuch, 0 }, /* 0xb0 */
1552 {chm_nosuch, 0 }, /* 0xb1 */
1553 {chm_nosuch, 0 }, /* 0xb2 */
1554 {chm_nosuch, 0 }, /* 0xb3 */
1555 {chm_nosuch, 0 }, /* 0xb4 */
1556 {chm_nosuch, 0 }, /* 0xb5 */
1557 {chm_nosuch, 0 }, /* 0xb6 */
1558 {chm_nosuch, 0 }, /* 0xb7 */
1559 {chm_nosuch, 0 }, /* 0xb8 */
1560 {chm_nosuch, 0 }, /* 0xb9 */
1561 {chm_nosuch, 0 }, /* 0xba */
1562 {chm_nosuch, 0 }, /* 0xbb */
1563 {chm_nosuch, 0 }, /* 0xbc */
1564 {chm_nosuch, 0 }, /* 0xbd */
1565 {chm_nosuch, 0 }, /* 0xbe */
1566 {chm_nosuch, 0 }, /* 0xbf */
1567
1568 {chm_nosuch, 0 }, /* 0xc0 */
1569 {chm_nosuch, 0 }, /* 0xc1 */
1570 {chm_nosuch, 0 }, /* 0xc2 */
1571 {chm_nosuch, 0 }, /* 0xc3 */
1572 {chm_nosuch, 0 }, /* 0xc4 */
1573 {chm_nosuch, 0 }, /* 0xc5 */
1574 {chm_nosuch, 0 }, /* 0xc6 */
1575 {chm_nosuch, 0 }, /* 0xc7 */
1576 {chm_nosuch, 0 }, /* 0xc8 */
1577 {chm_nosuch, 0 }, /* 0xc9 */
1578 {chm_nosuch, 0 }, /* 0xca */
1579 {chm_nosuch, 0 }, /* 0xcb */
1580 {chm_nosuch, 0 }, /* 0xcc */
1581 {chm_nosuch, 0 }, /* 0xcd */
1582 {chm_nosuch, 0 }, /* 0xce */
1583 {chm_nosuch, 0 }, /* 0xcf */
1584
1585 {chm_nosuch, 0 }, /* 0xd0 */
1586 {chm_nosuch, 0 }, /* 0xd1 */
1587 {chm_nosuch, 0 }, /* 0xd2 */
1588 {chm_nosuch, 0 }, /* 0xd3 */
1589 {chm_nosuch, 0 }, /* 0xd4 */
1590 {chm_nosuch, 0 }, /* 0xd5 */
1591 {chm_nosuch, 0 }, /* 0xd6 */
1592 {chm_nosuch, 0 }, /* 0xd7 */
1593 {chm_nosuch, 0 }, /* 0xd8 */
1594 {chm_nosuch, 0 }, /* 0xd9 */
1595 {chm_nosuch, 0 }, /* 0xda */
1596 {chm_nosuch, 0 }, /* 0xdb */
1597 {chm_nosuch, 0 }, /* 0xdc */
1598 {chm_nosuch, 0 }, /* 0xdd */
1599 {chm_nosuch, 0 }, /* 0xde */
1600 {chm_nosuch, 0 }, /* 0xdf */
1601
1602 {chm_nosuch, 0 }, /* 0xe0 */
1603 {chm_nosuch, 0 }, /* 0xe1 */
1604 {chm_nosuch, 0 }, /* 0xe2 */
1605 {chm_nosuch, 0 }, /* 0xe3 */
1606 {chm_nosuch, 0 }, /* 0xe4 */
1607 {chm_nosuch, 0 }, /* 0xe5 */
1608 {chm_nosuch, 0 }, /* 0xe6 */
1609 {chm_nosuch, 0 }, /* 0xe7 */
1610 {chm_nosuch, 0 }, /* 0xe8 */
1611 {chm_nosuch, 0 }, /* 0xe9 */
1612 {chm_nosuch, 0 }, /* 0xea */
1613 {chm_nosuch, 0 }, /* 0xeb */
1614 {chm_nosuch, 0 }, /* 0xec */
1615 {chm_nosuch, 0 }, /* 0xed */
1616 {chm_nosuch, 0 }, /* 0xee */
1617 {chm_nosuch, 0 }, /* 0xef */
1618
1619 {chm_nosuch, 0 }, /* 0xf0 */
1620 {chm_nosuch, 0 }, /* 0xf1 */
1621 {chm_nosuch, 0 }, /* 0xf2 */
1622 {chm_nosuch, 0 }, /* 0xf3 */
1623 {chm_nosuch, 0 }, /* 0xf4 */
1624 {chm_nosuch, 0 }, /* 0xf5 */
1625 {chm_nosuch, 0 }, /* 0xf6 */
1626 {chm_nosuch, 0 }, /* 0xf7 */
1627 {chm_nosuch, 0 }, /* 0xf8 */
1628 {chm_nosuch, 0 }, /* 0xf9 */
1629 {chm_nosuch, 0 }, /* 0xfa */
1630 {chm_nosuch, 0 }, /* 0xfb */
1631 {chm_nosuch, 0 }, /* 0xfc */
1632 {chm_nosuch, 0 }, /* 0xfd */
1633 {chm_nosuch, 0 }, /* 0xfe */
1634 {chm_nosuch, 0 }, /* 0xff */
1635 };
1636
1637 /* *INDENT-ON* */
1638
1639 /* set_channel_mode()
1640 *
1641 * inputs - client, source, channel, membership pointer, params
1642 * output -
1643 * side effects - channel modes/memberships are changed, MODE is issued
1644 *
1645 * Extensively modified to be hotpluggable, 03/09/06 -- nenolod
1646 */
1647 void
1648 set_channel_mode(struct Client *client_p, struct Client *source_p,
1649 struct Channel *chptr, struct membership *msptr, int parc, const char *parv[])
1650 {
1651 static char modebuf[BUFSIZE];
1652 static char parabuf[BUFSIZE];
1653 char *mbuf;
1654 char *pbuf;
1655 int cur_len, mlen, paralen, paracount, arglen, len;
1656 int i, j, flags;
1657 int dir = MODE_ADD;
1658 int parn = 1;
1659 int errors = 0;
1660 int alevel;
1661 const char *ml = parv[0];
1662 char c;
1663 struct Client *fakesource_p;
1664
1665 mask_pos = 0;
1666 removed_mask_pos = 0;
1667 mode_count = 0;
1668 mode_limit = 0;
1669 mode_limit_simple = 0;
1670
1671 alevel = get_channel_access(source_p, msptr);
1672
1673 /* Hide connecting server on netburst -- jilles */
1674 if (ConfigServerHide.flatten_links && IsServer(source_p) && !has_id(source_p) && !HasSentEob(source_p))
1675 fakesource_p = &me;
1676 else
1677 fakesource_p = source_p;
1678
1679 for(; (c = *ml) != 0; ml++)
1680 {
1681 switch (c)
1682 {
1683 case '+':
1684 dir = MODE_ADD;
1685 break;
1686 case '-':
1687 dir = MODE_DEL;
1688 break;
1689 case '=':
1690 dir = MODE_QUERY;
1691 break;
1692 default:
1693 /* If this mode char is locked, don't allow local users to change it. */
1694 if (MyClient(source_p) && chptr->mode_lock && strchr(chptr->mode_lock, c))
1695 {
1696 if (!(errors & SM_ERR_MLOCK))
1697 sendto_one_numeric(source_p,
1698 ERR_MLOCKRESTRICTED,
1699 form_str(ERR_MLOCKRESTRICTED),
1700 chptr->chname,
1701 c,
1702 chptr->mode_lock);
1703 errors |= SM_ERR_MLOCK;
1704 continue;
1705 }
1706 chmode_table[(unsigned char) c].set_func(fakesource_p, chptr, alevel,
1707 parc, &parn, parv,
1708 &errors, dir, c,
1709 chmode_table[(unsigned char) c].mode_type);
1710 break;
1711 }
1712 }
1713
1714 /* bail out if we have nothing to do... */
1715 if(!mode_count)
1716 return;
1717
1718 if(IsServer(source_p))
1719 mlen = rb_sprintf(modebuf, ":%s MODE %s ", fakesource_p->name, chptr->chname);
1720 else
1721 mlen = rb_sprintf(modebuf, ":%s!%s@%s MODE %s ",
1722 source_p->name, source_p->username,
1723 source_p->host, chptr->chname);
1724
1725 for(j = 0, flags = ALL_MEMBERS; j < 2; j++, flags = ONLY_CHANOPS)
1726 {
1727 cur_len = mlen;
1728 mbuf = modebuf + mlen;
1729 pbuf = parabuf;
1730 parabuf[0] = '\0';
1731 paracount = paralen = 0;
1732 dir = MODE_QUERY;
1733
1734 for(i = 0; i < mode_count; i++)
1735 {
1736 if(mode_changes[i].letter == 0 || mode_changes[i].mems != flags)
1737 continue;
1738
1739 if(mode_changes[i].arg != NULL)
1740 {
1741 arglen = strlen(mode_changes[i].arg);
1742
1743 if(arglen > MODEBUFLEN - 5)
1744 continue;
1745 }
1746 else
1747 arglen = 0;
1748
1749 /* if we're creeping over MAXMODEPARAMSSERV, or over
1750 * bufsize (4 == +/-,modechar,two spaces) send now.
1751 */
1752 if(mode_changes[i].arg != NULL &&
1753 ((paracount == MAXMODEPARAMSSERV) ||
1754 ((cur_len + paralen + arglen + 4) > (BUFSIZE - 3))))
1755 {
1756 *mbuf = '\0';
1757
1758 if(cur_len > mlen)
1759 sendto_channel_local(flags, chptr, "%s %s", modebuf,
1760 parabuf);
1761 else
1762 continue;
1763
1764 paracount = paralen = 0;
1765 cur_len = mlen;
1766 mbuf = modebuf + mlen;
1767 pbuf = parabuf;
1768 parabuf[0] = '\0';
1769 dir = MODE_QUERY;
1770 }
1771
1772 if(dir != mode_changes[i].dir)
1773 {
1774 *mbuf++ = (mode_changes[i].dir == MODE_ADD) ? '+' : '-';
1775 cur_len++;
1776 dir = mode_changes[i].dir;
1777 }
1778
1779 *mbuf++ = mode_changes[i].letter;
1780 cur_len++;
1781
1782 if(mode_changes[i].arg != NULL)
1783 {
1784 paracount++;
1785 len = rb_sprintf(pbuf, "%s ", mode_changes[i].arg);
1786 pbuf += len;
1787 paralen += len;
1788 }
1789 }
1790
1791 if(paralen && parabuf[paralen - 1] == ' ')
1792 parabuf[paralen - 1] = '\0';
1793
1794 *mbuf = '\0';
1795 if(cur_len > mlen)
1796 sendto_channel_local(flags, chptr, "%s %s", modebuf, parabuf);
1797 }
1798
1799 /* only propagate modes originating locally, or if we're hubbing */
1800 if(MyClient(source_p) || rb_dlink_list_length(&serv_list) > 1)
1801 send_cap_mode_changes(client_p, source_p, chptr, mode_changes, mode_count);
1802 }
1803
1804 /* set_channel_mlock()
1805 *
1806 * inputs - client, source, channel, params
1807 * output -
1808 * side effects - channel mlock is changed / MLOCK is propagated
1809 */
1810 void
1811 set_channel_mlock(struct Client *client_p, struct Client *source_p,
1812 struct Channel *chptr, const char *newmlock, int propagate)
1813 {
1814 rb_free(chptr->mode_lock);
1815 chptr->mode_lock = newmlock ? rb_strdup(newmlock) : NULL;
1816
1817 if (propagate)
1818 {
1819 sendto_server(client_p, NULL, CAP_TS6 | CAP_MLOCK, NOCAPS, ":%s MLOCK %ld %s :%s",
1820 source_p->id, (long) chptr->channelts, chptr->chname,
1821 chptr->mode_lock ? chptr->mode_lock : "");
1822 }
1823 }
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