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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_join.c: Joins a channel. | |
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 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
f4a80ce6 | 24 | * $Id: m_join.c 3494 2007-05-27 13:07:27Z jilles $ |
212380e3 AC |
25 | */ |
26 | ||
27 | #include "stdinc.h" | |
212380e3 AC |
28 | #include "channel.h" |
29 | #include "client.h" | |
30 | #include "common.h" | |
31 | #include "hash.h" | |
32 | #include "irc_string.h" | |
33 | #include "ircd.h" | |
34 | #include "numeric.h" | |
35 | #include "send.h" | |
36 | #include "s_serv.h" | |
37 | #include "s_conf.h" | |
38 | #include "s_newconf.h" | |
39 | #include "msg.h" | |
40 | #include "parse.h" | |
41 | #include "modules.h" | |
42 | #include "sprintf_irc.h" | |
43 | #include "packet.h" | |
44 | ||
45 | static int m_join(struct Client *, struct Client *, int, const char **); | |
46 | static int ms_join(struct Client *, struct Client *, int, const char **); | |
8cc12805 | 47 | static int ms_sjoin(struct Client *, struct Client *, int, const char **); |
212380e3 AC |
48 | |
49 | static int h_can_create_channel; | |
50 | static int h_channel_join; | |
51 | ||
52 | struct Message join_msgtab = { | |
53 | "JOIN", 0, 0, 0, MFLG_SLOW, | |
54 | {mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}} | |
55 | }; | |
56 | ||
8cc12805 VY |
57 | struct Message sjoin_msgtab = { |
58 | "SJOIN", 0, 0, 0, MFLG_SLOW, | |
59 | {mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 0}, mg_ignore, mg_ignore} | |
60 | }; | |
61 | ||
62 | mapi_clist_av1 join_clist[] = { &join_msgtab, &sjoin_msgtab, NULL }; | |
212380e3 AC |
63 | |
64 | mapi_hlist_av1 join_hlist[] = { | |
65 | { "can_create_channel", &h_can_create_channel }, | |
66 | { "channel_join", &h_channel_join }, | |
67 | { NULL, NULL }, | |
68 | }; | |
69 | ||
f4a80ce6 | 70 | DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, join_hlist, NULL, "$Revision: 3494 $"); |
212380e3 | 71 | |
f4a80ce6 | 72 | static void do_join_0(struct Client *client_p, struct Client *source_p); |
212380e3 AC |
73 | static int check_channel_name_loc(struct Client *source_p, const char *name); |
74 | ||
75 | static void set_final_mode(struct Mode *mode, struct Mode *oldmode); | |
76 | static void remove_our_modes(struct Channel *chptr, struct Client *source_p); | |
77 | ||
8cc12805 VY |
78 | static void remove_ban_list(struct Channel *chptr, struct Client *source_p, |
79 | rb_dlink_list * list, char c, int cap, int mems); | |
80 | ||
212380e3 AC |
81 | static char modebuf[MODEBUFLEN]; |
82 | static char parabuf[MODEBUFLEN]; | |
8cc12805 | 83 | static const char *para[MAXMODEPARAMS]; |
212380e3 | 84 | static char *mbuf; |
8cc12805 | 85 | static int pargs; |
212380e3 AC |
86 | |
87 | /* Check what we will forward to, without sending any notices to the user | |
88 | * -- jilles | |
89 | */ | |
90 | static struct Channel * | |
91 | check_forward(struct Client *source_p, struct Channel *chptr, | |
92 | char *key) | |
93 | { | |
94 | int depth = 0, i; | |
95 | ||
96 | /* User is +Q */ | |
97 | if (IsNoForward(source_p)) | |
98 | return NULL; | |
99 | ||
100 | while (depth < 16) | |
101 | { | |
102 | chptr = find_channel(chptr->mode.forward); | |
103 | /* Can only forward to existing channels */ | |
104 | if (chptr == NULL) | |
105 | return NULL; | |
106 | /* Already on there, show original error message */ | |
107 | if (IsMember(source_p, chptr)) | |
108 | return NULL; | |
109 | /* Juped. Sending a warning notice would be unfair */ | |
110 | if (hash_find_resv(chptr->chname)) | |
111 | return NULL; | |
112 | /* Don't forward to +Q channel */ | |
113 | if (chptr->mode.mode & MODE_DISFORWARD) | |
114 | return NULL; | |
115 | i = can_join(source_p, chptr, key); | |
116 | if (i == 0) | |
117 | return chptr; | |
118 | if (i != ERR_INVITEONLYCHAN && i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_CHANNELISFULL) | |
119 | return NULL; | |
120 | depth++; | |
121 | } | |
122 | ||
123 | return NULL; | |
124 | } | |
125 | ||
126 | /* | |
127 | * m_join | |
128 | * parv[0] = sender prefix | |
129 | * parv[1] = channel | |
130 | * parv[2] = channel password (key) | |
131 | */ | |
132 | static int | |
133 | m_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
134 | { | |
135 | static char jbuf[BUFSIZE]; | |
136 | struct Channel *chptr = NULL; | |
137 | struct ConfItem *aconf; | |
138 | char *name; | |
139 | char *key = NULL; | |
140 | int i, flags = 0; | |
141 | char *p = NULL, *p2 = NULL; | |
142 | char *chanlist; | |
143 | char *mykey; | |
144 | int successful_join_count = 0; /* Number of channels successfully joined */ | |
145 | ||
146 | jbuf[0] = '\0'; | |
147 | ||
148 | /* rebuild the list of channels theyre supposed to be joining. | |
149 | * this code has a side effect of losing keys, but.. | |
150 | */ | |
151 | chanlist = LOCAL_COPY(parv[1]); | |
152 | for(name = strtoken(&p, chanlist, ","); name; name = strtoken(&p, NULL, ",")) | |
153 | { | |
154 | /* check the length and name of channel is ok */ | |
155 | if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN)) | |
156 | { | |
157 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
158 | form_str(ERR_BADCHANNAME), (unsigned char *) name); | |
159 | continue; | |
160 | } | |
161 | ||
f4a80ce6 JT |
162 | /* join 0 parts all channels */ |
163 | if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist) | |
164 | { | |
165 | (void) strcpy(jbuf, "0"); | |
166 | continue; | |
167 | } | |
168 | ||
212380e3 AC |
169 | /* check it begins with # or &, and local chans are disabled */ |
170 | else if(!IsChannelName(name)) | |
171 | { | |
172 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
173 | form_str(ERR_NOSUCHCHANNEL), name); | |
174 | continue; | |
175 | } | |
176 | ||
177 | /* see if its resv'd */ | |
178 | if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name))) | |
179 | { | |
180 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
181 | form_str(ERR_BADCHANNAME), name); | |
182 | ||
183 | /* dont warn for opers */ | |
184 | if(!IsExemptJupe(source_p) && !IsOper(source_p)) | |
185 | sendto_realops_snomask(SNO_SPY, L_NETWIDE, | |
186 | "User %s (%s@%s) is attempting to join locally juped channel %s (%s)", | |
187 | source_p->name, source_p->username, | |
63aecfb9 | 188 | source_p->orighost, name, aconf->passwd); |
212380e3 AC |
189 | /* dont update tracking for jupe exempt users, these |
190 | * are likely to be spamtrap leaves | |
191 | */ | |
192 | else if(IsExemptJupe(source_p)) | |
193 | aconf->port--; | |
194 | ||
195 | continue; | |
196 | } | |
197 | ||
198 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
199 | ConfigChannel.no_join_on_split) | |
200 | { | |
201 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
202 | me.name, source_p->name, name); | |
203 | continue; | |
204 | } | |
205 | ||
206 | if(*jbuf) | |
207 | (void) strcat(jbuf, ","); | |
208 | (void) strlcat(jbuf, name, sizeof(jbuf)); | |
209 | } | |
210 | ||
211 | if(parc > 2) | |
212 | { | |
213 | mykey = LOCAL_COPY(parv[2]); | |
214 | key = strtoken(&p2, mykey, ","); | |
215 | } | |
216 | ||
217 | for(name = strtoken(&p, jbuf, ","); name; | |
218 | key = (key) ? strtoken(&p2, NULL, ",") : NULL, name = strtoken(&p, NULL, ",")) | |
219 | { | |
220 | hook_data_channel_activity hook_info; | |
221 | ||
f4a80ce6 JT |
222 | /* JOIN 0 simply parts all channels the user is in */ |
223 | if(*name == '0' && !atoi(name)) | |
224 | { | |
225 | if(source_p->user->channel.head == NULL) | |
226 | continue; | |
227 | ||
228 | do_join_0(&me, source_p); | |
229 | continue; | |
230 | } | |
231 | ||
212380e3 AC |
232 | /* look for the channel */ |
233 | if((chptr = find_channel(name)) != NULL) | |
234 | { | |
235 | if(IsMember(source_p, chptr)) | |
236 | continue; | |
237 | ||
238 | flags = 0; | |
239 | } | |
240 | else | |
241 | { | |
242 | hook_data_client_approval moduledata; | |
243 | ||
244 | moduledata.client = source_p; | |
245 | moduledata.approved = 0; | |
246 | ||
247 | call_hook(h_can_create_channel, &moduledata); | |
248 | ||
544cde90 | 249 | if(moduledata.approved != 0) |
212380e3 AC |
250 | { |
251 | sendto_one(source_p, form_str(moduledata.approved), | |
252 | me.name, source_p->name, name); | |
253 | continue; | |
254 | } | |
255 | ||
256 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
257 | ConfigChannel.no_create_on_split) | |
258 | { | |
259 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
260 | me.name, source_p->name, name); | |
261 | continue; | |
262 | } | |
263 | ||
264 | flags = CHFL_CHANOP; | |
265 | } | |
266 | ||
5b96d9a6 | 267 | if((rb_dlink_list_length(&source_p->user->channel) >= |
212380e3 AC |
268 | (unsigned long) ConfigChannel.max_chans_per_user) && |
269 | (!IsOper(source_p) || | |
5b96d9a6 | 270 | (rb_dlink_list_length(&source_p->user->channel) >= |
212380e3 AC |
271 | (unsigned long) ConfigChannel.max_chans_per_user * 3))) |
272 | { | |
273 | sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS), | |
274 | me.name, source_p->name, name); | |
275 | if(successful_join_count) | |
e3354945 | 276 | source_p->localClient->last_join_time = rb_current_time(); |
212380e3 AC |
277 | return 0; |
278 | } | |
279 | ||
280 | if(flags == 0) /* if channel doesn't exist, don't penalize */ | |
281 | successful_join_count++; | |
282 | ||
283 | if(chptr == NULL) /* If I already have a chptr, no point doing this */ | |
284 | { | |
285 | chptr = get_or_create_channel(source_p, name, NULL); | |
286 | ||
287 | if(chptr == NULL) | |
288 | { | |
289 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
290 | me.name, source_p->name, name); | |
291 | if(successful_join_count > 0) | |
292 | successful_join_count--; | |
293 | continue; | |
294 | } | |
295 | } | |
296 | ||
297 | if(!IsOper(source_p) && !IsExemptSpambot(source_p)) | |
298 | check_spambot_warning(source_p, name); | |
299 | ||
300 | /* can_join checks for +i key, bans etc */ | |
301 | if((i = can_join(source_p, chptr, key))) | |
302 | { | |
303 | if ((i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_INVITEONLYCHAN && i != ERR_CHANNELISFULL) || | |
304 | (!ConfigChannel.use_forward || (chptr = check_forward(source_p, chptr, key)) == NULL)) | |
305 | { | |
306 | sendto_one(source_p, form_str(i), me.name, source_p->name, name); | |
307 | if(successful_join_count > 0) | |
308 | successful_join_count--; | |
309 | continue; | |
310 | } | |
311 | sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr->chname); | |
312 | } | |
313 | ||
314 | /* add the user to the channel */ | |
315 | add_user_to_channel(chptr, source_p, flags); | |
316 | if (chptr->mode.join_num && | |
e3354945 | 317 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) |
212380e3 AC |
318 | { |
319 | chptr->join_count = 0; | |
e3354945 | 320 | chptr->join_delta = rb_current_time(); |
212380e3 AC |
321 | } |
322 | chptr->join_count++; | |
323 | ||
324 | /* we send the user their join here, because we could have to | |
325 | * send a mode out next. | |
326 | */ | |
327 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
328 | source_p->name, | |
329 | source_p->username, source_p->host, chptr->chname); | |
330 | ||
331 | /* its a new channel, set +nt and burst. */ | |
332 | if(flags & CHFL_CHANOP) | |
333 | { | |
e3354945 | 334 | chptr->channelts = rb_current_time(); |
212380e3 AC |
335 | chptr->mode.mode |= MODE_TOPICLIMIT; |
336 | chptr->mode.mode |= MODE_NOPRIVMSGS; | |
337 | ||
338 | sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s +nt", | |
339 | me.name, chptr->chname); | |
340 | ||
341 | if(*chptr->chname == '#') | |
342 | { | |
343 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, | |
344 | ":%s SJOIN %ld %s +nt :@%s", | |
345 | me.id, (long) chptr->channelts, | |
346 | chptr->chname, source_p->id); | |
347 | sendto_server(client_p, chptr, NOCAPS, CAP_TS6, | |
348 | ":%s SJOIN %ld %s +nt :@%s", | |
349 | me.name, (long) chptr->channelts, | |
350 | chptr->chname, source_p->name); | |
351 | } | |
352 | } | |
353 | else | |
354 | { | |
212380e3 | 355 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
bee3b671 | 356 | ":%s JOIN %ld %s +", |
212380e3 | 357 | use_id(source_p), (long) chptr->channelts, |
bee3b671 | 358 | chptr->chname); |
212380e3 AC |
359 | |
360 | sendto_server(client_p, chptr, NOCAPS, CAP_TS6, | |
bee3b671 | 361 | ":%s SJOIN %ld %s + :%s", |
212380e3 | 362 | me.name, (long) chptr->channelts, |
bee3b671 | 363 | chptr->chname, source_p->name); |
212380e3 AC |
364 | } |
365 | ||
366 | del_invite(chptr, source_p); | |
367 | ||
368 | if(chptr->topic != NULL) | |
369 | { | |
370 | sendto_one(source_p, form_str(RPL_TOPIC), me.name, | |
371 | source_p->name, chptr->chname, chptr->topic); | |
372 | ||
373 | sendto_one(source_p, form_str(RPL_TOPICWHOTIME), | |
374 | me.name, source_p->name, chptr->chname, | |
375 | chptr->topic_info, chptr->topic_time); | |
376 | } | |
377 | ||
378 | channel_member_names(chptr, source_p, 1); | |
379 | ||
380 | if(successful_join_count) | |
e3354945 | 381 | source_p->localClient->last_join_time = rb_current_time(); |
212380e3 AC |
382 | |
383 | hook_info.client = source_p; | |
384 | hook_info.chptr = chptr; | |
385 | hook_info.key = key; | |
386 | call_hook(h_channel_join, &hook_info); | |
387 | } | |
388 | ||
389 | return 0; | |
390 | } | |
391 | ||
392 | /* | |
393 | * ms_join | |
394 | * | |
395 | * inputs - | |
396 | * output - none | |
397 | * side effects - handles remote JOIN's sent by servers. In TSora | |
398 | * remote clients are joined using SJOIN, hence a | |
399 | * JOIN sent by a server on behalf of a client is an error. | |
400 | * here, the initial code is in to take an extra parameter | |
401 | * and use it for the TimeStamp on a new channel. | |
402 | */ | |
403 | static int | |
404 | ms_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
405 | { | |
406 | struct Channel *chptr; | |
bee3b671 | 407 | static struct Mode mode; |
212380e3 AC |
408 | time_t oldts; |
409 | time_t newts; | |
410 | int isnew; | |
212380e3 AC |
411 | int keep_our_modes = YES; |
412 | int keep_new_modes = YES; | |
637c4932 | 413 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 414 | |
f4a80ce6 JT |
415 | /* special case for join 0 */ |
416 | if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2) | |
417 | { | |
418 | do_join_0(client_p, source_p); | |
419 | return 0; | |
420 | } | |
421 | ||
212380e3 AC |
422 | if(parc < 4) |
423 | return 0; | |
424 | ||
425 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
426 | return 0; | |
427 | ||
428 | /* joins for local channels cant happen. */ | |
429 | if(parv[2][0] == '&') | |
430 | return 0; | |
431 | ||
432 | mbuf = modebuf; | |
433 | mode.key[0] = mode.forward[0] = '\0'; | |
434 | mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
435 | ||
212380e3 AC |
436 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) |
437 | return 0; | |
438 | ||
439 | newts = atol(parv[1]); | |
440 | oldts = chptr->channelts; | |
212380e3 AC |
441 | |
442 | #ifdef IGNORE_BOGUS_TS | |
443 | if(newts < 800000000) | |
444 | { | |
445 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
446 | "*** Bogus TS %ld on %s ignored from %s", | |
447 | (long) newts, chptr->chname, client_p->name); | |
448 | newts = (oldts == 0) ? oldts : 800000000; | |
449 | } | |
450 | #else | |
451 | /* making a channel TS0 */ | |
452 | if(!isnew && !newts && oldts) | |
453 | { | |
454 | sendto_channel_local(ALL_MEMBERS, chptr, | |
455 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0", | |
456 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
457 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
458 | "Server %s changing TS on %s from %ld to 0", | |
459 | source_p->name, chptr->chname, (long) oldts); | |
460 | } | |
461 | #endif | |
462 | ||
463 | if(isnew) | |
464 | chptr->channelts = newts; | |
465 | else if(newts == 0 || oldts == 0) | |
466 | chptr->channelts = 0; | |
467 | else if(newts == oldts) | |
468 | ; | |
469 | else if(newts < oldts) | |
470 | { | |
471 | keep_our_modes = NO; | |
472 | chptr->channelts = newts; | |
473 | } | |
474 | else | |
475 | keep_new_modes = NO; | |
476 | ||
212380e3 AC |
477 | /* Lost the TS, other side wins, so remove modes on this side */ |
478 | if(!keep_our_modes) | |
479 | { | |
bee3b671 JT |
480 | set_final_mode(&mode, &chptr->mode); |
481 | chptr->mode = mode; | |
212380e3 | 482 | remove_our_modes(chptr, source_p); |
637c4932 | 483 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) |
212380e3 AC |
484 | { |
485 | del_invite(chptr, ptr->data); | |
486 | } | |
bee3b671 JT |
487 | /* If setting -j, clear join throttle state -- jilles */ |
488 | chptr->join_count = chptr->join_delta = 0; | |
212380e3 AC |
489 | sendto_channel_local(ALL_MEMBERS, chptr, |
490 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", | |
491 | me.name, chptr->chname, chptr->chname, | |
492 | (long) oldts, (long) newts); | |
1117fbd3 JT |
493 | /* Update capitalization in channel name, this makes the |
494 | * capitalization timestamped like modes are -- jilles */ | |
495 | strcpy(chptr->chname, parv[2]); | |
bee3b671 JT |
496 | if(*modebuf != '\0') |
497 | sendto_channel_local(ALL_MEMBERS, chptr, | |
498 | ":%s MODE %s %s %s", | |
499 | source_p->servptr->name, | |
500 | chptr->chname, modebuf, parabuf); | |
501 | *modebuf = *parabuf = '\0'; | |
212380e3 AC |
502 | } |
503 | ||
212380e3 AC |
504 | if(!IsMember(source_p, chptr)) |
505 | { | |
506 | add_user_to_channel(chptr, source_p, CHFL_PEON); | |
507 | if (chptr->mode.join_num && | |
e3354945 | 508 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) |
212380e3 AC |
509 | { |
510 | chptr->join_count = 0; | |
e3354945 | 511 | chptr->join_delta = rb_current_time(); |
212380e3 AC |
512 | } |
513 | chptr->join_count++; | |
514 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
515 | source_p->name, source_p->username, | |
516 | source_p->host, chptr->chname); | |
517 | } | |
518 | ||
212380e3 | 519 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
bee3b671 JT |
520 | ":%s JOIN %ld %s +", |
521 | source_p->id, (long) chptr->channelts, chptr->chname); | |
212380e3 AC |
522 | sendto_server(client_p, chptr, NOCAPS, CAP_TS6, |
523 | ":%s SJOIN %ld %s %s :%s", | |
c88cdb00 | 524 | source_p->servptr->name, (long) chptr->channelts, |
bee3b671 JT |
525 | chptr->chname, keep_new_modes ? "+" : "0", |
526 | source_p->name); | |
212380e3 AC |
527 | return 0; |
528 | } | |
529 | ||
8cc12805 VY |
530 | static int |
531 | ms_sjoin(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
532 | { | |
533 | static char buf_nick[BUFSIZE]; | |
534 | static char buf_uid[BUFSIZE]; | |
535 | static const char empty_modes[] = "0"; | |
536 | struct Channel *chptr; | |
537 | struct Client *target_p, *fakesource_p; | |
538 | time_t newts; | |
539 | time_t oldts; | |
540 | static struct Mode mode, *oldmode; | |
541 | const char *modes; | |
542 | int args = 0; | |
543 | int keep_our_modes = 1; | |
544 | int keep_new_modes = 1; | |
545 | int fl; | |
546 | int isnew; | |
547 | int mlen_nick, mlen_uid; | |
548 | int len_nick; | |
549 | int len_uid; | |
550 | int len; | |
551 | int joins = 0; | |
552 | const char *s; | |
553 | char *ptr_nick; | |
554 | char *ptr_uid; | |
555 | char *p; | |
556 | int i, joinc = 0, timeslice = 0; | |
557 | static char empty[] = ""; | |
558 | rb_dlink_node *ptr, *next_ptr; | |
559 | ||
560 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
561 | return 0; | |
562 | ||
563 | /* SJOIN's for local channels can't happen. */ | |
564 | if(*parv[2] == '&') | |
565 | return 0; | |
566 | ||
567 | modebuf[0] = parabuf[0] = mode.key[0] = mode.forward[0] = '\0'; | |
568 | pargs = mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
569 | ||
570 | /* Hide connecting server on netburst -- jilles */ | |
571 | if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) | |
572 | fakesource_p = &me; | |
573 | else | |
574 | fakesource_p = source_p; | |
575 | ||
576 | mbuf = modebuf; | |
577 | newts = atol(parv[1]); | |
578 | ||
579 | s = parv[3]; | |
580 | while (*s) | |
581 | { | |
582 | switch (*(s++)) | |
583 | { | |
584 | case 'i': | |
585 | mode.mode |= MODE_INVITEONLY; | |
586 | break; | |
587 | case 'n': | |
588 | mode.mode |= MODE_NOPRIVMSGS; | |
589 | break; | |
590 | case 'p': | |
591 | mode.mode |= MODE_PRIVATE; | |
592 | break; | |
593 | case 's': | |
594 | mode.mode |= MODE_SECRET; | |
595 | break; | |
596 | case 'm': | |
597 | mode.mode |= MODE_MODERATED; | |
598 | break; | |
599 | case 't': | |
600 | mode.mode |= MODE_TOPICLIMIT; | |
601 | break; | |
602 | case 'r': | |
603 | mode.mode |= MODE_REGONLY; | |
604 | break; | |
605 | case 'L': | |
606 | mode.mode |= MODE_EXLIMIT; | |
607 | break; | |
608 | case 'P': | |
609 | mode.mode |= MODE_PERMANENT; | |
610 | break; | |
611 | case 'c': | |
612 | mode.mode |= MODE_NOCOLOR; | |
613 | break; | |
614 | case 'g': | |
615 | mode.mode |= MODE_FREEINVITE; | |
616 | break; | |
617 | case 'z': | |
618 | mode.mode |= MODE_OPMODERATE; | |
619 | break; | |
620 | case 'F': | |
621 | mode.mode |= MODE_FREETARGET; | |
622 | break; | |
623 | case 'Q': | |
624 | mode.mode |= MODE_DISFORWARD; | |
625 | break; | |
626 | case 'f': | |
627 | strlcpy(mode.forward, parv[4 + args], sizeof(mode.forward)); | |
628 | args++; | |
629 | if(parc < 5 + args) | |
630 | return 0; | |
631 | break; | |
632 | case 'j': | |
633 | sscanf(parv[4 + args], "%d:%d", &joinc, ×lice); | |
634 | args++; | |
635 | mode.join_num = joinc; | |
636 | mode.join_time = timeslice; | |
637 | if(parc < 5 + args) | |
638 | return 0; | |
639 | break; | |
640 | case 'k': | |
641 | strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); | |
642 | args++; | |
643 | if(parc < 5 + args) | |
644 | return 0; | |
645 | break; | |
646 | case 'l': | |
647 | mode.limit = atoi(parv[4 + args]); | |
648 | args++; | |
649 | if(parc < 5 + args) | |
650 | return 0; | |
651 | break; | |
652 | } | |
653 | } | |
654 | ||
655 | if(parv[args + 4]) | |
656 | { | |
657 | s = parv[args + 4]; | |
658 | ||
659 | /* remove any leading spaces */ | |
660 | while (*s == ' ') | |
661 | s++; | |
662 | } | |
663 | else | |
664 | s = ""; | |
665 | ||
666 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
667 | return 0; /* channel name too long? */ | |
668 | ||
669 | ||
670 | oldts = chptr->channelts; | |
671 | oldmode = &chptr->mode; | |
672 | ||
673 | #ifdef IGNORE_BOGUS_TS | |
674 | if(newts < 800000000) | |
675 | { | |
676 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
677 | "*** Bogus TS %ld on %s ignored from %s", | |
678 | (long) newts, chptr->chname, client_p->name); | |
679 | ||
680 | newts = (oldts == 0) ? oldts : 800000000; | |
681 | } | |
682 | #else | |
683 | if(!isnew && !newts && oldts) | |
684 | { | |
685 | sendto_channel_local(ALL_MEMBERS, chptr, | |
686 | ":%s NOTICE %s :*** Notice -- TS for %s " | |
687 | "changed from %ld to 0", | |
688 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
689 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
690 | "Server %s changing TS on %s from %ld to 0", | |
691 | source_p->name, chptr->chname, (long) oldts); | |
692 | } | |
693 | #endif | |
694 | ||
695 | if(isnew) | |
696 | chptr->channelts = newts; | |
697 | ||
698 | else if(newts == 0 || oldts == 0) | |
699 | chptr->channelts = 0; | |
700 | else if(newts == oldts) | |
701 | ; | |
702 | else if(newts < oldts) | |
703 | { | |
704 | /* If configured, kick people trying to join +i/+k | |
705 | * channels by recreating them on split servers. | |
706 | * Don't kick if the source has sent EOB (services | |
707 | * deopping everyone by TS-1 SJOIN). | |
708 | * -- jilles */ | |
709 | if (ConfigChannel.kick_on_split_riding && | |
710 | !HasSentEob(source_p) && | |
711 | ((mode.mode & MODE_INVITEONLY) || | |
712 | (mode.key[0] != 0 && irccmp(mode.key, oldmode->key) != 0))) | |
713 | { | |
714 | struct membership *msptr; | |
715 | struct Client *who; | |
716 | int l = rb_dlink_list_length(&chptr->members); | |
717 | int b = rb_dlink_list_length(&chptr->banlist) + | |
718 | rb_dlink_list_length(&chptr->exceptlist) + | |
719 | rb_dlink_list_length(&chptr->invexlist) + | |
720 | rb_dlink_list_length(&chptr->quietlist); | |
721 | ||
722 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) | |
723 | { | |
724 | msptr = ptr->data; | |
725 | who = msptr->client_p; | |
726 | sendto_one(who, ":%s KICK %s %s :Net Rider", | |
727 | me.name, chptr->chname, who->name); | |
728 | ||
729 | sendto_server(NULL, chptr, CAP_TS6, NOCAPS, | |
730 | ":%s KICK %s %s :Net Rider", | |
731 | me.id, chptr->chname, | |
732 | who->id); | |
733 | sendto_server(NULL, chptr, NOCAPS, CAP_TS6, | |
734 | ":%s KICK %s %s :Net Rider", | |
735 | me.name, chptr->chname, who->name); | |
736 | remove_user_from_channel(msptr); | |
737 | if (--l == 0) | |
738 | break; | |
739 | } | |
740 | if (l == 0) | |
741 | { | |
742 | /* Channel was emptied, create a new one */ | |
743 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
744 | return 0; /* oops! */ | |
745 | ||
746 | /* If the source does not do TS6, | |
747 | * nontimestamped bans have been sent to it, | |
748 | * but we have just lost those here. Let's | |
749 | * warn the channel about this. Because | |
750 | * of the kicks, any users on the channel | |
751 | * will be at client_p. -- jilles */ | |
752 | if (!has_id(source_p) && b > 0) | |
753 | sendto_one(client_p, ":%s NOTICE %s :*** Notice -- possible ban desync on %s, please remove any bans just added by servers", get_id(&me, client_p), parv[2], parv[2]); | |
754 | oldmode = &chptr->mode; | |
755 | } | |
756 | } | |
757 | keep_our_modes = NO; | |
758 | chptr->channelts = newts; | |
759 | } | |
760 | else | |
761 | keep_new_modes = NO; | |
762 | ||
763 | if(!keep_new_modes) | |
764 | mode = *oldmode; | |
765 | else if(keep_our_modes) | |
766 | { | |
767 | mode.mode |= oldmode->mode; | |
768 | if(oldmode->limit > mode.limit) | |
769 | mode.limit = oldmode->limit; | |
770 | if(strcmp(mode.key, oldmode->key) < 0) | |
771 | strcpy(mode.key, oldmode->key); | |
772 | if(oldmode->join_num > mode.join_num || | |
773 | (oldmode->join_num == mode.join_num && | |
774 | oldmode->join_time > mode.join_time)) | |
775 | { | |
776 | mode.join_num = oldmode->join_num; | |
777 | mode.join_time = oldmode->join_time; | |
778 | } | |
779 | if(irccmp(mode.forward, oldmode->forward) < 0) | |
780 | strcpy(mode.forward, oldmode->forward); | |
781 | } | |
782 | else | |
783 | { | |
784 | /* If setting -j, clear join throttle state -- jilles */ | |
785 | if (!mode.join_num) | |
786 | chptr->join_count = chptr->join_delta = 0; | |
787 | } | |
788 | ||
789 | set_final_mode(&mode, oldmode); | |
790 | chptr->mode = mode; | |
791 | ||
792 | /* Lost the TS, other side wins, so remove modes on this side */ | |
793 | if(!keep_our_modes) | |
794 | { | |
795 | remove_our_modes(chptr, fakesource_p); | |
796 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) | |
797 | { | |
798 | del_invite(chptr, ptr->data); | |
799 | } | |
800 | sendto_channel_local(ALL_MEMBERS, chptr, | |
801 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", | |
802 | me.name, chptr->chname, chptr->chname, | |
803 | (long) oldts, (long) newts); | |
804 | /* Update capitalization in channel name, this makes the | |
805 | * capitalization timestamped like modes are -- jilles */ | |
806 | strcpy(chptr->chname, parv[2]); | |
807 | } | |
808 | ||
809 | if(*modebuf != '\0') | |
810 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s", | |
811 | fakesource_p->name, chptr->chname, modebuf, parabuf); | |
812 | ||
813 | *modebuf = *parabuf = '\0'; | |
814 | ||
815 | if(parv[3][0] != '0' && keep_new_modes) | |
816 | modes = channel_modes(chptr, source_p); | |
817 | else | |
818 | modes = empty_modes; | |
819 | ||
820 | mlen_nick = rb_sprintf(buf_nick, ":%s SJOIN %ld %s %s :", | |
821 | source_p->name, (long) chptr->channelts, parv[2], modes); | |
822 | ptr_nick = buf_nick + mlen_nick; | |
823 | ||
824 | /* working on the presumption eventually itll be more efficient to | |
825 | * build a TS6 buffer without checking its needed.. | |
826 | */ | |
827 | mlen_uid = rb_sprintf(buf_uid, ":%s SJOIN %ld %s %s :", | |
828 | use_id(source_p), (long) chptr->channelts, parv[2], modes); | |
829 | ptr_uid = buf_uid + mlen_uid; | |
830 | ||
831 | mbuf = modebuf; | |
832 | para[0] = para[1] = para[2] = para[3] = empty; | |
833 | pargs = 0; | |
834 | len_nick = len_uid = 0; | |
835 | ||
836 | /* if theres a space, theres going to be more than one nick, change the | |
837 | * first space to \0, so s is just the first nick, and point p to the | |
838 | * second nick | |
839 | */ | |
840 | if((p = strchr(s, ' ')) != NULL) | |
841 | { | |
842 | *p++ = '\0'; | |
843 | } | |
844 | ||
845 | *mbuf++ = '+'; | |
846 | ||
847 | while (s) | |
848 | { | |
849 | fl = 0; | |
850 | ||
851 | for (i = 0; i < 2; i++) | |
852 | { | |
853 | if(*s == '@') | |
854 | { | |
855 | fl |= CHFL_CHANOP; | |
856 | s++; | |
857 | } | |
858 | else if(*s == '+') | |
859 | { | |
860 | fl |= CHFL_VOICE; | |
861 | s++; | |
862 | } | |
863 | } | |
864 | ||
865 | /* if the client doesnt exist or is fake direction, skip. */ | |
866 | if(!(target_p = find_client(s)) || | |
867 | (target_p->from != client_p) || !IsPerson(target_p)) | |
868 | goto nextnick; | |
869 | ||
870 | /* we assume for these we can fit at least one nick/uid in.. */ | |
871 | ||
872 | /* check we can fit another status+nick+space into a buffer */ | |
873 | if((mlen_nick + len_nick + NICKLEN + 3) > (BUFSIZE - 3)) | |
874 | { | |
875 | *(ptr_nick - 1) = '\0'; | |
876 | sendto_server(client_p->from, NULL, NOCAPS, CAP_TS6, "%s", buf_nick); | |
877 | ptr_nick = buf_nick + mlen_nick; | |
878 | len_nick = 0; | |
879 | } | |
880 | ||
881 | if((mlen_uid + len_uid + IDLEN + 3) > (BUFSIZE - 3)) | |
882 | { | |
883 | *(ptr_uid - 1) = '\0'; | |
884 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
885 | ptr_uid = buf_uid + mlen_uid; | |
886 | len_uid = 0; | |
887 | } | |
888 | ||
889 | if(keep_new_modes) | |
890 | { | |
891 | if(fl & CHFL_CHANOP) | |
892 | { | |
893 | *ptr_nick++ = '@'; | |
894 | *ptr_uid++ = '@'; | |
895 | len_nick++; | |
896 | len_uid++; | |
897 | } | |
898 | if(fl & CHFL_VOICE) | |
899 | { | |
900 | *ptr_nick++ = '+'; | |
901 | *ptr_uid++ = '+'; | |
902 | len_nick++; | |
903 | len_uid++; | |
904 | } | |
905 | } | |
906 | ||
907 | /* copy the nick to the two buffers */ | |
908 | len = rb_sprintf(ptr_nick, "%s ", target_p->name); | |
909 | ptr_nick += len; | |
910 | len_nick += len; | |
911 | len = rb_sprintf(ptr_uid, "%s ", use_id(target_p)); | |
912 | ptr_uid += len; | |
913 | len_uid += len; | |
914 | ||
915 | if(!keep_new_modes) | |
916 | fl = 0; | |
917 | ||
918 | if(!IsMember(target_p, chptr)) | |
919 | { | |
920 | add_user_to_channel(chptr, target_p, fl); | |
921 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
922 | target_p->name, | |
923 | target_p->username, target_p->host, parv[2]); | |
924 | joins++; | |
925 | } | |
926 | ||
927 | if(fl & CHFL_CHANOP) | |
928 | { | |
929 | *mbuf++ = 'o'; | |
930 | para[pargs++] = target_p->name; | |
931 | ||
932 | /* a +ov user.. bleh */ | |
933 | if(fl & CHFL_VOICE) | |
934 | { | |
935 | /* its possible the +o has filled up MAXMODEPARAMS, if so, start | |
936 | * a new buffer | |
937 | */ | |
938 | if(pargs >= MAXMODEPARAMS) | |
939 | { | |
940 | *mbuf = '\0'; | |
941 | sendto_channel_local(ALL_MEMBERS, chptr, | |
942 | ":%s MODE %s %s %s %s %s %s", | |
943 | fakesource_p->name, chptr->chname, | |
944 | modebuf, | |
945 | para[0], para[1], para[2], para[3]); | |
946 | mbuf = modebuf; | |
947 | *mbuf++ = '+'; | |
948 | para[0] = para[1] = para[2] = para[3] = NULL; | |
949 | pargs = 0; | |
950 | } | |
951 | ||
952 | *mbuf++ = 'v'; | |
953 | para[pargs++] = target_p->name; | |
954 | } | |
955 | } | |
956 | else if(fl & CHFL_VOICE) | |
957 | { | |
958 | *mbuf++ = 'v'; | |
959 | para[pargs++] = target_p->name; | |
960 | } | |
961 | ||
962 | if(pargs >= MAXMODEPARAMS) | |
963 | { | |
964 | *mbuf = '\0'; | |
965 | sendto_channel_local(ALL_MEMBERS, chptr, | |
966 | ":%s MODE %s %s %s %s %s %s", | |
967 | fakesource_p->name, | |
968 | chptr->chname, | |
969 | modebuf, para[0], para[1], para[2], para[3]); | |
970 | mbuf = modebuf; | |
971 | *mbuf++ = '+'; | |
972 | para[0] = para[1] = para[2] = para[3] = NULL; | |
973 | pargs = 0; | |
974 | } | |
975 | ||
976 | nextnick: | |
977 | /* p points to the next nick */ | |
978 | s = p; | |
979 | ||
980 | /* if there was a trailing space and p was pointing to it, then we | |
981 | * need to exit.. this has the side effect of breaking double spaces | |
982 | * in an sjoin.. but that shouldnt happen anyway | |
983 | */ | |
984 | if(s && (*s == '\0')) | |
985 | s = p = NULL; | |
986 | ||
987 | /* if p was NULL due to no spaces, s wont exist due to the above, so | |
988 | * we cant check it for spaces.. if there are no spaces, then when | |
989 | * we next get here, s will be NULL | |
990 | */ | |
991 | if(s && ((p = strchr(s, ' ')) != NULL)) | |
992 | { | |
993 | *p++ = '\0'; | |
994 | } | |
995 | } | |
996 | ||
997 | *mbuf = '\0'; | |
998 | if(pargs) | |
999 | { | |
1000 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1001 | ":%s MODE %s %s %s %s %s %s", | |
1002 | fakesource_p->name, chptr->chname, modebuf, | |
1003 | para[0], CheckEmpty(para[1]), | |
1004 | CheckEmpty(para[2]), CheckEmpty(para[3])); | |
1005 | } | |
1006 | ||
1007 | if(!joins && !(chptr->mode.mode & MODE_PERMANENT) && isnew) | |
1008 | { | |
1009 | destroy_channel(chptr); | |
1010 | ||
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | /* Keep the colon if we're sending an SJOIN without nicks -- jilles */ | |
1015 | if (joins) | |
1016 | { | |
1017 | *(ptr_nick - 1) = '\0'; | |
1018 | *(ptr_uid - 1) = '\0'; | |
1019 | } | |
1020 | ||
1021 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
1022 | sendto_server(client_p->from, NULL, NOCAPS, CAP_TS6, "%s", buf_nick); | |
1023 | ||
1024 | /* if the source does TS6 we have to remove our bans. Its now safe | |
1025 | * to issue -b's to the non-ts6 servers, as the sjoin we've just | |
1026 | * sent will kill any ops they have. | |
1027 | */ | |
1028 | if(!keep_our_modes && source_p->id[0] != '\0') | |
1029 | { | |
1030 | if(rb_dlink_list_length(&chptr->banlist) > 0) | |
1031 | remove_ban_list(chptr, fakesource_p, &chptr->banlist, 'b', NOCAPS, ALL_MEMBERS); | |
1032 | ||
1033 | if(rb_dlink_list_length(&chptr->exceptlist) > 0) | |
1034 | remove_ban_list(chptr, fakesource_p, &chptr->exceptlist, | |
1035 | 'e', CAP_EX, ONLY_CHANOPS); | |
1036 | ||
1037 | if(rb_dlink_list_length(&chptr->invexlist) > 0) | |
1038 | remove_ban_list(chptr, fakesource_p, &chptr->invexlist, | |
1039 | 'I', CAP_IE, ONLY_CHANOPS); | |
1040 | ||
1041 | if(rb_dlink_list_length(&chptr->quietlist) > 0) | |
1042 | remove_ban_list(chptr, fakesource_p, &chptr->quietlist, | |
1043 | 'q', NOCAPS, ALL_MEMBERS); | |
1044 | ||
1045 | chptr->bants++; | |
1046 | } | |
1047 | ||
1048 | return 0; | |
1049 | } | |
1050 | ||
f4a80ce6 JT |
1051 | /* |
1052 | * do_join_0 | |
1053 | * | |
1054 | * inputs - pointer to client doing join 0 | |
1055 | * output - NONE | |
1056 | * side effects - Use has decided to join 0. This is legacy | |
1057 | * from the days when channels were numbers not names. *sigh* | |
1058 | * There is a bunch of evilness necessary here due to | |
1059 | * anti spambot code. | |
1060 | */ | |
1061 | static void | |
1062 | do_join_0(struct Client *client_p, struct Client *source_p) | |
1063 | { | |
1064 | struct membership *msptr; | |
1065 | struct Channel *chptr = NULL; | |
5b96d9a6 | 1066 | rb_dlink_node *ptr; |
f4a80ce6 JT |
1067 | |
1068 | /* Finish the flood grace period... */ | |
1069 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
1070 | flood_endgrace(source_p); | |
1071 | ||
1072 | ||
1073 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p)); | |
1074 | sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s JOIN 0", source_p->name); | |
1075 | ||
1076 | if(source_p->user->channel.head && MyConnect(source_p) && | |
1077 | !IsOper(source_p) && !IsExemptSpambot(source_p)) | |
1078 | check_spambot_warning(source_p, NULL); | |
1079 | ||
1080 | while((ptr = source_p->user->channel.head)) | |
1081 | { | |
1082 | msptr = ptr->data; | |
1083 | chptr = msptr->chptr; | |
1084 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s", | |
1085 | source_p->name, | |
1086 | source_p->username, source_p->host, chptr->chname); | |
1087 | remove_user_from_channel(msptr); | |
1088 | } | |
1089 | } | |
1090 | ||
212380e3 AC |
1091 | static int |
1092 | check_channel_name_loc(struct Client *source_p, const char *name) | |
1093 | { | |
1094 | s_assert(name != NULL); | |
1095 | if(EmptyString(name)) | |
1096 | return 0; | |
1097 | ||
1098 | if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p)) | |
1099 | { | |
1100 | for(; *name; ++name) | |
1101 | { | |
1102 | if(!IsChanChar(*name) || IsFakeChanChar(*name)) | |
1103 | return 0; | |
1104 | } | |
1105 | } | |
1106 | else | |
1107 | { | |
1108 | for(; *name; ++name) | |
1109 | { | |
1110 | if(!IsChanChar(*name)) | |
1111 | return 0; | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | return 1; | |
1116 | } | |
1117 | ||
212380e3 AC |
1118 | static void |
1119 | set_final_mode(struct Mode *mode, struct Mode *oldmode) | |
1120 | { | |
1121 | int dir = MODE_QUERY; | |
1122 | char *pbuf = parabuf; | |
1123 | int len; | |
1124 | int i; | |
1125 | ||
1126 | /* ok, first get a list of modes we need to add */ | |
8cc12805 | 1127 | for (i = 0; chmode_flags[i].letter; i++) |
212380e3 | 1128 | { |
7d1f9131 | 1129 | if((mode->mode & chmode_flags[i].mode) && !(oldmode->mode & chmode_flags[i].mode)) |
212380e3 AC |
1130 | { |
1131 | if(dir != MODE_ADD) | |
1132 | { | |
1133 | *mbuf++ = '+'; | |
1134 | dir = MODE_ADD; | |
1135 | } | |
7d1f9131 | 1136 | *mbuf++ = chmode_flags[i].letter; |
212380e3 AC |
1137 | } |
1138 | } | |
1139 | ||
1140 | /* now the ones we need to remove. */ | |
8cc12805 | 1141 | for (i = 0; chmode_flags[i].letter; i++) |
212380e3 | 1142 | { |
7d1f9131 | 1143 | if((oldmode->mode & chmode_flags[i].mode) && !(mode->mode & chmode_flags[i].mode)) |
212380e3 AC |
1144 | { |
1145 | if(dir != MODE_DEL) | |
1146 | { | |
1147 | *mbuf++ = '-'; | |
1148 | dir = MODE_DEL; | |
1149 | } | |
7d1f9131 | 1150 | *mbuf++ = chmode_flags[i].letter; |
212380e3 AC |
1151 | } |
1152 | } | |
1153 | ||
1154 | if(oldmode->limit && !mode->limit) | |
1155 | { | |
1156 | if(dir != MODE_DEL) | |
1157 | { | |
1158 | *mbuf++ = '-'; | |
1159 | dir = MODE_DEL; | |
1160 | } | |
1161 | *mbuf++ = 'l'; | |
1162 | } | |
1163 | if(oldmode->key[0] && !mode->key[0]) | |
1164 | { | |
1165 | if(dir != MODE_DEL) | |
1166 | { | |
1167 | *mbuf++ = '-'; | |
1168 | dir = MODE_DEL; | |
1169 | } | |
1170 | *mbuf++ = 'k'; | |
7cdb0a09 | 1171 | len = rb_sprintf(pbuf, "%s ", oldmode->key); |
212380e3 AC |
1172 | pbuf += len; |
1173 | } | |
1174 | if(oldmode->join_num && !mode->join_num) | |
1175 | { | |
1176 | if(dir != MODE_DEL) | |
1177 | { | |
1178 | *mbuf++ = '-'; | |
1179 | dir = MODE_DEL; | |
1180 | } | |
1181 | *mbuf++ = 'j'; | |
1182 | } | |
1183 | if(oldmode->forward[0] && !mode->forward[0]) | |
1184 | { | |
1185 | if(dir != MODE_DEL) | |
1186 | { | |
1187 | *mbuf++ = '-'; | |
1188 | dir = MODE_DEL; | |
1189 | } | |
1190 | *mbuf++ = 'f'; | |
1191 | } | |
1192 | if(mode->limit && oldmode->limit != mode->limit) | |
1193 | { | |
1194 | if(dir != MODE_ADD) | |
1195 | { | |
1196 | *mbuf++ = '+'; | |
1197 | dir = MODE_ADD; | |
1198 | } | |
1199 | *mbuf++ = 'l'; | |
7cdb0a09 | 1200 | len = rb_sprintf(pbuf, "%d ", mode->limit); |
212380e3 AC |
1201 | pbuf += len; |
1202 | } | |
1203 | if(mode->key[0] && strcmp(oldmode->key, mode->key)) | |
1204 | { | |
1205 | if(dir != MODE_ADD) | |
1206 | { | |
1207 | *mbuf++ = '+'; | |
1208 | dir = MODE_ADD; | |
1209 | } | |
1210 | *mbuf++ = 'k'; | |
7cdb0a09 | 1211 | len = rb_sprintf(pbuf, "%s ", mode->key); |
212380e3 AC |
1212 | pbuf += len; |
1213 | } | |
1214 | if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time)) | |
1215 | { | |
1216 | if(dir != MODE_ADD) | |
1217 | { | |
1218 | *mbuf++ = '+'; | |
1219 | dir = MODE_ADD; | |
1220 | } | |
1221 | *mbuf++ = 'j'; | |
7cdb0a09 | 1222 | len = rb_sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time); |
212380e3 AC |
1223 | pbuf += len; |
1224 | } | |
1225 | if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) && ConfigChannel.use_forward) | |
1226 | { | |
1227 | if(dir != MODE_ADD) | |
1228 | { | |
1229 | *mbuf++ = '+'; | |
1230 | dir = MODE_ADD; | |
1231 | } | |
1232 | *mbuf++ = 'f'; | |
7cdb0a09 | 1233 | len = rb_sprintf(pbuf, "%s ", mode->forward); |
212380e3 AC |
1234 | pbuf += len; |
1235 | } | |
1236 | *mbuf = '\0'; | |
1237 | } | |
1238 | ||
1239 | /* | |
1240 | * remove_our_modes | |
1241 | * | |
1242 | * inputs - | |
1243 | * output - | |
1244 | * side effects - | |
1245 | */ | |
1246 | static void | |
1247 | remove_our_modes(struct Channel *chptr, struct Client *source_p) | |
1248 | { | |
1249 | struct membership *msptr; | |
5b96d9a6 | 1250 | rb_dlink_node *ptr; |
212380e3 AC |
1251 | char lmodebuf[MODEBUFLEN]; |
1252 | char *lpara[MAXMODEPARAMS]; | |
1253 | int count = 0; | |
1254 | int i; | |
1255 | ||
1256 | mbuf = lmodebuf; | |
1257 | *mbuf++ = '-'; | |
1258 | ||
1259 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1260 | lpara[i] = NULL; | |
1261 | ||
5b96d9a6 | 1262 | RB_DLINK_FOREACH(ptr, chptr->members.head) |
212380e3 AC |
1263 | { |
1264 | msptr = ptr->data; | |
1265 | ||
1266 | if(is_chanop(msptr)) | |
1267 | { | |
1268 | msptr->flags &= ~CHFL_CHANOP; | |
1269 | lpara[count++] = msptr->client_p->name; | |
1270 | *mbuf++ = 'o'; | |
1271 | ||
1272 | /* +ov, might not fit so check. */ | |
1273 | if(is_voiced(msptr)) | |
1274 | { | |
1275 | if(count >= MAXMODEPARAMS) | |
1276 | { | |
1277 | *mbuf = '\0'; | |
1278 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1279 | ":%s MODE %s %s %s %s %s %s", | |
1280 | me.name, chptr->chname, | |
1281 | lmodebuf, lpara[0], lpara[1], | |
1282 | lpara[2], lpara[3]); | |
1283 | ||
1284 | /* preserve the initial '-' */ | |
1285 | mbuf = lmodebuf; | |
1286 | *mbuf++ = '-'; | |
1287 | count = 0; | |
1288 | ||
1289 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1290 | lpara[i] = NULL; | |
1291 | } | |
1292 | ||
1293 | msptr->flags &= ~CHFL_VOICE; | |
1294 | lpara[count++] = msptr->client_p->name; | |
1295 | *mbuf++ = 'v'; | |
1296 | } | |
1297 | } | |
1298 | else if(is_voiced(msptr)) | |
1299 | { | |
1300 | msptr->flags &= ~CHFL_VOICE; | |
1301 | lpara[count++] = msptr->client_p->name; | |
1302 | *mbuf++ = 'v'; | |
1303 | } | |
1304 | else | |
1305 | continue; | |
1306 | ||
1307 | if(count >= MAXMODEPARAMS) | |
1308 | { | |
1309 | *mbuf = '\0'; | |
1310 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1311 | ":%s MODE %s %s %s %s %s %s", | |
1312 | me.name, chptr->chname, lmodebuf, | |
1313 | lpara[0], lpara[1], lpara[2], lpara[3]); | |
1314 | mbuf = lmodebuf; | |
1315 | *mbuf++ = '-'; | |
1316 | count = 0; | |
1317 | ||
1318 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1319 | lpara[i] = NULL; | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | if(count != 0) | |
1324 | { | |
1325 | *mbuf = '\0'; | |
1326 | sendto_channel_local(ALL_MEMBERS, chptr, | |
1327 | ":%s MODE %s %s %s %s %s %s", | |
1328 | me.name, chptr->chname, lmodebuf, | |
1329 | EmptyString(lpara[0]) ? "" : lpara[0], | |
1330 | EmptyString(lpara[1]) ? "" : lpara[1], | |
1331 | EmptyString(lpara[2]) ? "" : lpara[2], | |
1332 | EmptyString(lpara[3]) ? "" : lpara[3]); | |
1333 | ||
1334 | } | |
1335 | } | |
8cc12805 VY |
1336 | |
1337 | /* remove_ban_list() | |
1338 | * | |
1339 | * inputs - channel, source, list to remove, char of mode, caps needed | |
1340 | * outputs - | |
1341 | * side effects - given list is removed, with modes issued to local clients | |
1342 | * and non-TS6 servers. | |
1343 | */ | |
1344 | static void | |
1345 | remove_ban_list(struct Channel *chptr, struct Client *source_p, | |
1346 | rb_dlink_list * list, char c, int cap, int mems) | |
1347 | { | |
1348 | static char lmodebuf[BUFSIZE]; | |
1349 | static char lparabuf[BUFSIZE]; | |
1350 | struct Ban *banptr; | |
1351 | rb_dlink_node *ptr; | |
1352 | rb_dlink_node *next_ptr; | |
1353 | char *pbuf; | |
1354 | int count = 0; | |
1355 | int cur_len, mlen, plen; | |
1356 | ||
1357 | pbuf = lparabuf; | |
1358 | ||
1359 | cur_len = mlen = rb_sprintf(lmodebuf, ":%s MODE %s -", source_p->name, chptr->chname); | |
1360 | mbuf = lmodebuf + mlen; | |
1361 | ||
1362 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) | |
1363 | { | |
1364 | banptr = ptr->data; | |
1365 | ||
1366 | /* trailing space, and the mode letter itself */ | |
1367 | plen = strlen(banptr->banstr) + 2; | |
1368 | ||
1369 | if(count >= MAXMODEPARAMS || (cur_len + plen) > BUFSIZE - 4) | |
1370 | { | |
1371 | /* remove trailing space */ | |
1372 | *mbuf = '\0'; | |
1373 | *(pbuf - 1) = '\0'; | |
1374 | ||
1375 | sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); | |
1376 | /* Tricky tricky. If we changed source_p to &me | |
1377 | * in ms_sjoin(), this still won't send stuff | |
1378 | * where it should not be sent, because the | |
1379 | * real source_p does TS6 -- jilles */ | |
1380 | sendto_server(source_p, chptr, cap, CAP_TS6, "%s %s", lmodebuf, lparabuf); | |
1381 | ||
1382 | cur_len = mlen; | |
1383 | mbuf = lmodebuf + mlen; | |
1384 | pbuf = lparabuf; | |
1385 | count = 0; | |
1386 | } | |
1387 | ||
1388 | *mbuf++ = c; | |
1389 | cur_len += plen; | |
1390 | pbuf += rb_sprintf(pbuf, "%s ", banptr->banstr); | |
1391 | count++; | |
1392 | ||
1393 | free_ban(banptr); | |
1394 | } | |
1395 | ||
1396 | *mbuf = '\0'; | |
1397 | *(pbuf - 1) = '\0'; | |
1398 | sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); | |
1399 | sendto_server(source_p, chptr, cap, CAP_TS6, "%s %s", lmodebuf, lparabuf); | |
1400 | ||
1401 | list->head = list->tail = NULL; | |
1402 | list->length = 0; | |
1403 | } |