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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 | |
212380e3 AC |
23 | */ |
24 | ||
25 | #include "stdinc.h" | |
212380e3 AC |
26 | #include "channel.h" |
27 | #include "client.h" | |
212380e3 | 28 | #include "hash.h" |
4562c604 | 29 | #include "match.h" |
212380e3 AC |
30 | #include "ircd.h" |
31 | #include "numeric.h" | |
32 | #include "send.h" | |
33 | #include "s_serv.h" | |
34 | #include "s_conf.h" | |
35 | #include "s_newconf.h" | |
36 | #include "msg.h" | |
37 | #include "parse.h" | |
38 | #include "modules.h" | |
212380e3 | 39 | #include "packet.h" |
acdf71d9 | 40 | #include "chmode.h" |
7e132ff0 | 41 | #include "ratelimit.h" |
77d3d2db | 42 | #include "s_assert.h" |
212380e3 | 43 | |
eeabf33a EM |
44 | static const char join_desc[] = "Provides the JOIN and TS6 SJOIN commands to facilitate joining and creating channels"; |
45 | ||
3c7d6fcc EM |
46 | static void m_join(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
47 | static void ms_join(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
48 | static void ms_sjoin(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
212380e3 AC |
49 | |
50 | static int h_can_create_channel; | |
51 | static int h_channel_join; | |
52 | ||
53 | struct Message join_msgtab = { | |
7baa37a9 | 54 | "JOIN", 0, 0, 0, 0, |
212380e3 AC |
55 | {mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}} |
56 | }; | |
57 | ||
8cc12805 | 58 | struct Message sjoin_msgtab = { |
7baa37a9 | 59 | "SJOIN", 0, 0, 0, 0, |
1766edef | 60 | {mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 4}, mg_ignore, mg_ignore} |
8cc12805 VY |
61 | }; |
62 | ||
63 | mapi_clist_av1 join_clist[] = { &join_msgtab, &sjoin_msgtab, NULL }; | |
212380e3 AC |
64 | |
65 | mapi_hlist_av1 join_hlist[] = { | |
66 | { "can_create_channel", &h_can_create_channel }, | |
67 | { "channel_join", &h_channel_join }, | |
68 | { NULL, NULL }, | |
69 | }; | |
70 | ||
823ab528 | 71 | DECLARE_MODULE_AV2(join, NULL, NULL, join_clist, join_hlist, NULL, NULL, NULL, join_desc); |
212380e3 | 72 | |
f4a80ce6 | 73 | static void do_join_0(struct Client *client_p, struct Client *source_p); |
3c7d6fcc | 74 | static bool check_channel_name_loc(struct Client *source_p, const char *name); |
35bfe0e6 | 75 | static void send_join_error(struct Client *source_p, int numeric, const char *name); |
212380e3 | 76 | |
2f0b6f83 | 77 | static char *set_final_mode(char *mbuf, char *parabuf, struct Mode *mode, struct Mode *oldmode); |
212380e3 AC |
78 | static void remove_our_modes(struct Channel *chptr, struct Client *source_p); |
79 | ||
8cc12805 | 80 | static void remove_ban_list(struct Channel *chptr, struct Client *source_p, |
8afeb720 | 81 | rb_dlink_list * list, char c, int mems); |
8cc12805 | 82 | |
212380e3 AC |
83 | /* Check what we will forward to, without sending any notices to the user |
84 | * -- jilles | |
85 | */ | |
86 | static struct Channel * | |
87 | check_forward(struct Client *source_p, struct Channel *chptr, | |
765d839d | 88 | char *key, int *err) |
212380e3 AC |
89 | { |
90 | int depth = 0, i; | |
d9af501a | 91 | const char *next = NULL; |
765d839d EM |
92 | |
93 | /* The caller (m_join) is only interested in the reason | |
94 | * for the original channel. | |
95 | */ | |
96 | if ((*err = can_join(source_p, chptr, key, &next)) == 0) | |
97 | return chptr; | |
212380e3 | 98 | |
6a85e665 JT |
99 | /* User is +Q, or forwarding disabled */ |
100 | if (IsNoForward(source_p) || !ConfigChannel.use_forward) | |
212380e3 AC |
101 | return NULL; |
102 | ||
103 | while (depth < 16) | |
104 | { | |
97532cfa JT |
105 | if (next == NULL) |
106 | return NULL; | |
fc9013d6 | 107 | |
765d839d | 108 | chptr = find_channel(next); |
212380e3 AC |
109 | /* Can only forward to existing channels */ |
110 | if (chptr == NULL) | |
111 | return NULL; | |
fc9013d6 EM |
112 | /* Already on there... but don't send the original reason for |
113 | * being unable to join. It isn't their fault they're already | |
114 | * on the channel, and it looks hostile otherwise. | |
115 | * --Elizafox | |
116 | */ | |
212380e3 | 117 | if (IsMember(source_p, chptr)) |
fc9013d6 EM |
118 | { |
119 | *err = ERR_USERONCHANNEL; /* I'm borrowing this for now. --Elizafox */ | |
212380e3 | 120 | return NULL; |
fc9013d6 | 121 | } |
212380e3 AC |
122 | /* Juped. Sending a warning notice would be unfair */ |
123 | if (hash_find_resv(chptr->chname)) | |
124 | return NULL; | |
125 | /* Don't forward to +Q channel */ | |
126 | if (chptr->mode.mode & MODE_DISFORWARD) | |
127 | return NULL; | |
fc9013d6 | 128 | |
765d839d | 129 | i = can_join(source_p, chptr, key, &next); |
212380e3 AC |
130 | if (i == 0) |
131 | return chptr; | |
212380e3 AC |
132 | depth++; |
133 | } | |
134 | ||
135 | return NULL; | |
136 | } | |
137 | ||
138 | /* | |
139 | * m_join | |
212380e3 AC |
140 | * parv[1] = channel |
141 | * parv[2] = channel password (key) | |
142 | */ | |
3c7d6fcc | 143 | static void |
428ca87b | 144 | m_join(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
145 | { |
146 | static char jbuf[BUFSIZE]; | |
765d839d | 147 | struct Channel *chptr = NULL, *chptr2 = NULL; |
212380e3 AC |
148 | struct ConfItem *aconf; |
149 | char *name; | |
150 | char *key = NULL; | |
095efcf0 | 151 | const char *modes; |
212380e3 AC |
152 | int i, flags = 0; |
153 | char *p = NULL, *p2 = NULL; | |
154 | char *chanlist; | |
155 | char *mykey; | |
212380e3 AC |
156 | |
157 | jbuf[0] = '\0'; | |
158 | ||
159 | /* rebuild the list of channels theyre supposed to be joining. | |
160 | * this code has a side effect of losing keys, but.. | |
161 | */ | |
162 | chanlist = LOCAL_COPY(parv[1]); | |
4a2651e5 | 163 | for(name = rb_strtok_r(chanlist, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) |
212380e3 AC |
164 | { |
165 | /* check the length and name of channel is ok */ | |
166 | if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN)) | |
167 | { | |
168 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
169 | form_str(ERR_BADCHANNAME), (unsigned char *) name); | |
170 | continue; | |
171 | } | |
172 | ||
f4a80ce6 JT |
173 | /* join 0 parts all channels */ |
174 | if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist) | |
175 | { | |
4d5a902f | 176 | rb_strlcpy(jbuf, "0", sizeof(jbuf)); |
f4a80ce6 JT |
177 | continue; |
178 | } | |
179 | ||
01978a2c AC |
180 | /* check it begins with a valid channel prefix per policy. */ |
181 | else if (!IsChannelName(name)) | |
212380e3 AC |
182 | { |
183 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
184 | form_str(ERR_NOSUCHCHANNEL), name); | |
185 | continue; | |
186 | } | |
187 | ||
188 | /* see if its resv'd */ | |
189 | if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name))) | |
190 | { | |
191 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
192 | form_str(ERR_BADCHANNAME), name); | |
193 | ||
194 | /* dont warn for opers */ | |
195 | if(!IsExemptJupe(source_p) && !IsOper(source_p)) | |
196 | sendto_realops_snomask(SNO_SPY, L_NETWIDE, | |
197 | "User %s (%s@%s) is attempting to join locally juped channel %s (%s)", | |
198 | source_p->name, source_p->username, | |
63aecfb9 | 199 | source_p->orighost, name, aconf->passwd); |
212380e3 AC |
200 | /* dont update tracking for jupe exempt users, these |
201 | * are likely to be spamtrap leaves | |
202 | */ | |
203 | else if(IsExemptJupe(source_p)) | |
204 | aconf->port--; | |
205 | ||
206 | continue; | |
207 | } | |
208 | ||
209 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
210 | ConfigChannel.no_join_on_split) | |
211 | { | |
212 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
213 | me.name, source_p->name, name); | |
214 | continue; | |
215 | } | |
216 | ||
217 | if(*jbuf) | |
218 | (void) strcat(jbuf, ","); | |
1f9de103 | 219 | (void) rb_strlcat(jbuf, name, sizeof(jbuf)); |
212380e3 AC |
220 | } |
221 | ||
222 | if(parc > 2) | |
223 | { | |
224 | mykey = LOCAL_COPY(parv[2]); | |
4a2651e5 | 225 | key = rb_strtok_r(mykey, ",", &p2); |
212380e3 AC |
226 | } |
227 | ||
4a2651e5 VY |
228 | for(name = rb_strtok_r(jbuf, ",", &p); name; |
229 | key = (key) ? rb_strtok_r(NULL, ",", &p2) : NULL, name = rb_strtok_r(NULL, ",", &p)) | |
212380e3 AC |
230 | { |
231 | hook_data_channel_activity hook_info; | |
232 | ||
f4a80ce6 JT |
233 | /* JOIN 0 simply parts all channels the user is in */ |
234 | if(*name == '0' && !atoi(name)) | |
235 | { | |
236 | if(source_p->user->channel.head == NULL) | |
237 | continue; | |
238 | ||
239 | do_join_0(&me, source_p); | |
240 | continue; | |
241 | } | |
242 | ||
212380e3 AC |
243 | /* look for the channel */ |
244 | if((chptr = find_channel(name)) != NULL) | |
245 | { | |
246 | if(IsMember(source_p, chptr)) | |
247 | continue; | |
248 | ||
249 | flags = 0; | |
250 | } | |
251 | else | |
252 | { | |
253 | hook_data_client_approval moduledata; | |
254 | ||
255 | moduledata.client = source_p; | |
256 | moduledata.approved = 0; | |
257 | ||
258 | call_hook(h_can_create_channel, &moduledata); | |
259 | ||
544cde90 | 260 | if(moduledata.approved != 0) |
212380e3 | 261 | { |
35bfe0e6 JT |
262 | if(moduledata.approved != ERR_CUSTOM) |
263 | send_join_error(source_p, | |
264 | moduledata.approved, | |
265 | name); | |
212380e3 AC |
266 | continue; |
267 | } | |
268 | ||
269 | if(splitmode && !IsOper(source_p) && (*name != '&') && | |
270 | ConfigChannel.no_create_on_split) | |
271 | { | |
272 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
273 | me.name, source_p->name, name); | |
274 | continue; | |
275 | } | |
276 | ||
277 | flags = CHFL_CHANOP; | |
278 | } | |
279 | ||
5b96d9a6 | 280 | if((rb_dlink_list_length(&source_p->user->channel) >= |
212380e3 | 281 | (unsigned long) ConfigChannel.max_chans_per_user) && |
a4721f5e | 282 | (!IsExtendChans(source_p) || |
5b96d9a6 | 283 | (rb_dlink_list_length(&source_p->user->channel) >= |
a4721f5e | 284 | (unsigned long) ConfigChannel.max_chans_per_user_large))) |
212380e3 AC |
285 | { |
286 | sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS), | |
287 | me.name, source_p->name, name); | |
cddbab51 | 288 | continue; |
212380e3 AC |
289 | } |
290 | ||
212380e3 AC |
291 | if(chptr == NULL) /* If I already have a chptr, no point doing this */ |
292 | { | |
293 | chptr = get_or_create_channel(source_p, name, NULL); | |
294 | ||
295 | if(chptr == NULL) | |
296 | { | |
297 | sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), | |
298 | me.name, source_p->name, name); | |
212380e3 AC |
299 | continue; |
300 | } | |
301 | } | |
302 | ||
765d839d | 303 | /* If check_forward returns NULL, they couldn't join and there wasn't a usable forward channel. */ |
fc9013d6 | 304 | if((chptr2 = check_forward(source_p, chptr, key, &i)) == NULL) |
212380e3 | 305 | { |
765d839d EM |
306 | /* might be wrong, but is there any other better location for such? |
307 | * see extensions/chm_operonly.c for other comments on this | |
308 | * -- dwr | |
309 | */ | |
310 | if(i != ERR_CUSTOM) | |
35bfe0e6 | 311 | send_join_error(source_p, i, name); |
765d839d | 312 | continue; |
212380e3 | 313 | } |
765d839d EM |
314 | else if(chptr != chptr2) |
315 | sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr2->chname); | |
316 | ||
317 | chptr = chptr2; | |
212380e3 | 318 | |
ff91faaf JT |
319 | if(flags == 0 && |
320 | !IsOper(source_p) && !IsExemptSpambot(source_p)) | |
cf3564d6 JT |
321 | check_spambot_warning(source_p, name); |
322 | ||
212380e3 AC |
323 | /* add the user to the channel */ |
324 | add_user_to_channel(chptr, source_p, flags); | |
325 | if (chptr->mode.join_num && | |
e3354945 | 326 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) |
212380e3 AC |
327 | { |
328 | chptr->join_count = 0; | |
e3354945 | 329 | chptr->join_delta = rb_current_time(); |
212380e3 AC |
330 | } |
331 | chptr->join_count++; | |
332 | ||
7e132ff0 KB |
333 | /* credit user for join */ |
334 | credit_client_join(source_p); | |
335 | ||
212380e3 AC |
336 | /* we send the user their join here, because we could have to |
337 | * send a mode out next. | |
338 | */ | |
805cfa5a | 339 | send_channel_join(chptr, source_p); |
212380e3 AC |
340 | |
341 | /* its a new channel, set +nt and burst. */ | |
342 | if(flags & CHFL_CHANOP) | |
343 | { | |
e3354945 | 344 | chptr->channelts = rb_current_time(); |
63eb8567 | 345 | chptr->mode.mode |= ConfigChannel.autochanmodes; |
095efcf0 | 346 | modes = channel_modes(chptr, &me); |
212380e3 | 347 | |
4b1cce65 | 348 | sendto_channel_local(&me, ONLY_CHANOPS, chptr, ":%s MODE %s %s", |
095efcf0 | 349 | me.name, chptr->chname, modes); |
212380e3 | 350 | |
db2545b1 JT |
351 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
352 | ":%s SJOIN %ld %s %s :@%s", | |
353 | me.id, (long) chptr->channelts, | |
354 | chptr->chname, modes, source_p->id); | |
212380e3 AC |
355 | } |
356 | else | |
357 | { | |
212380e3 | 358 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
bee3b671 | 359 | ":%s JOIN %ld %s +", |
212380e3 | 360 | use_id(source_p), (long) chptr->channelts, |
bee3b671 | 361 | chptr->chname); |
212380e3 AC |
362 | } |
363 | ||
364 | del_invite(chptr, source_p); | |
365 | ||
366 | if(chptr->topic != NULL) | |
367 | { | |
368 | sendto_one(source_p, form_str(RPL_TOPIC), me.name, | |
369 | source_p->name, chptr->chname, chptr->topic); | |
370 | ||
371 | sendto_one(source_p, form_str(RPL_TOPICWHOTIME), | |
372 | me.name, source_p->name, chptr->chname, | |
0cce01d3 JT |
373 | chptr->topic_info, |
374 | (unsigned long)chptr->topic_time); | |
212380e3 AC |
375 | } |
376 | ||
377 | channel_member_names(chptr, source_p, 1); | |
378 | ||
212380e3 AC |
379 | hook_info.client = source_p; |
380 | hook_info.chptr = chptr; | |
381 | hook_info.key = key; | |
382 | call_hook(h_channel_join, &hook_info); | |
383 | } | |
212380e3 AC |
384 | } |
385 | ||
386 | /* | |
387 | * ms_join | |
35835646 JT |
388 | * parv[1] = channel TS |
389 | * parv[2] = channel | |
390 | * parv[3] = "+", formerly channel modes but now unused | |
391 | * alternatively, a single "0" parameter parts all channels | |
212380e3 | 392 | */ |
3c7d6fcc | 393 | static void |
428ca87b | 394 | ms_join(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 | 395 | { |
95fff33c | 396 | static char modebuf[MODEBUFLEN]; |
2f0b6f83 | 397 | static char parabuf[MODEBUFLEN]; |
212380e3 | 398 | struct Channel *chptr; |
bee3b671 | 399 | static struct Mode mode; |
212380e3 AC |
400 | time_t oldts; |
401 | time_t newts; | |
aa7eff28 | 402 | bool isnew; |
3c7d6fcc | 403 | bool keep_our_modes = true; |
637c4932 | 404 | rb_dlink_node *ptr, *next_ptr; |
2077757f | 405 | char *mbuf; |
212380e3 | 406 | |
f4a80ce6 JT |
407 | /* special case for join 0 */ |
408 | if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2) | |
409 | { | |
410 | do_join_0(client_p, source_p); | |
3c7d6fcc | 411 | return; |
f4a80ce6 JT |
412 | } |
413 | ||
212380e3 | 414 | if(parc < 4) |
3c7d6fcc | 415 | return; |
212380e3 AC |
416 | |
417 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) | |
3c7d6fcc | 418 | return; |
212380e3 AC |
419 | |
420 | /* joins for local channels cant happen. */ | |
421 | if(parv[2][0] == '&') | |
3c7d6fcc | 422 | return; |
212380e3 AC |
423 | |
424 | mbuf = modebuf; | |
425 | mode.key[0] = mode.forward[0] = '\0'; | |
426 | mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
427 | ||
212380e3 | 428 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) |
3c7d6fcc | 429 | return; |
212380e3 AC |
430 | |
431 | newts = atol(parv[1]); | |
432 | oldts = chptr->channelts; | |
212380e3 | 433 | |
212380e3 AC |
434 | /* making a channel TS0 */ |
435 | if(!isnew && !newts && oldts) | |
436 | { | |
4b1cce65 | 437 | sendto_channel_local(&me, ALL_MEMBERS, chptr, |
212380e3 AC |
438 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0", |
439 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
440 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
441 | "Server %s changing TS on %s from %ld to 0", | |
442 | source_p->name, chptr->chname, (long) oldts); | |
443 | } | |
212380e3 AC |
444 | |
445 | if(isnew) | |
446 | chptr->channelts = newts; | |
447 | else if(newts == 0 || oldts == 0) | |
448 | chptr->channelts = 0; | |
449 | else if(newts == oldts) | |
450 | ; | |
451 | else if(newts < oldts) | |
452 | { | |
3c7d6fcc | 453 | keep_our_modes = false; |
212380e3 AC |
454 | chptr->channelts = newts; |
455 | } | |
212380e3 | 456 | |
212380e3 AC |
457 | /* Lost the TS, other side wins, so remove modes on this side */ |
458 | if(!keep_our_modes) | |
459 | { | |
2f0b6f83 | 460 | mbuf = set_final_mode(mbuf, parabuf, &mode, &chptr->mode); |
bee3b671 | 461 | chptr->mode = mode; |
212380e3 | 462 | remove_our_modes(chptr, source_p); |
637c4932 | 463 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) |
212380e3 AC |
464 | { |
465 | del_invite(chptr, ptr->data); | |
466 | } | |
bee3b671 JT |
467 | /* If setting -j, clear join throttle state -- jilles */ |
468 | chptr->join_count = chptr->join_delta = 0; | |
4b1cce65 | 469 | sendto_channel_local(&me, ALL_MEMBERS, chptr, |
212380e3 AC |
470 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", |
471 | me.name, chptr->chname, chptr->chname, | |
472 | (long) oldts, (long) newts); | |
1117fbd3 JT |
473 | /* Update capitalization in channel name, this makes the |
474 | * capitalization timestamped like modes are -- jilles */ | |
475 | strcpy(chptr->chname, parv[2]); | |
bee3b671 | 476 | if(*modebuf != '\0') |
4b1cce65 | 477 | sendto_channel_local(source_p->servptr, ALL_MEMBERS, chptr, |
bee3b671 JT |
478 | ":%s MODE %s %s %s", |
479 | source_p->servptr->name, | |
480 | chptr->chname, modebuf, parabuf); | |
481 | *modebuf = *parabuf = '\0'; | |
6fb6bd15 AC |
482 | |
483 | /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */ | |
07554369 | 484 | set_channel_mlock(client_p, source_p, chptr, NULL, false); |
212380e3 AC |
485 | } |
486 | ||
212380e3 AC |
487 | if(!IsMember(source_p, chptr)) |
488 | { | |
489 | add_user_to_channel(chptr, source_p, CHFL_PEON); | |
490 | if (chptr->mode.join_num && | |
e3354945 | 491 | rb_current_time() - chptr->join_delta >= chptr->mode.join_time) |
212380e3 AC |
492 | { |
493 | chptr->join_count = 0; | |
e3354945 | 494 | chptr->join_delta = rb_current_time(); |
212380e3 AC |
495 | } |
496 | chptr->join_count++; | |
805cfa5a | 497 | send_channel_join(chptr, source_p); |
212380e3 AC |
498 | } |
499 | ||
212380e3 | 500 | sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
bee3b671 JT |
501 | ":%s JOIN %ld %s +", |
502 | source_p->id, (long) chptr->channelts, chptr->chname); | |
212380e3 AC |
503 | } |
504 | ||
3c7d6fcc | 505 | static void |
428ca87b | 506 | ms_sjoin(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
8cc12805 | 507 | { |
95fff33c | 508 | static char modebuf[MODEBUFLEN]; |
2f0b6f83 | 509 | static char parabuf[MODEBUFLEN]; |
8cc12805 VY |
510 | static char buf_uid[BUFSIZE]; |
511 | static const char empty_modes[] = "0"; | |
512 | struct Channel *chptr; | |
513 | struct Client *target_p, *fakesource_p; | |
514 | time_t newts; | |
515 | time_t oldts; | |
516 | static struct Mode mode, *oldmode; | |
517 | const char *modes; | |
518 | int args = 0; | |
3c7d6fcc EM |
519 | bool keep_our_modes = true; |
520 | bool keep_new_modes = true; | |
8cc12805 | 521 | int fl; |
aa7eff28 | 522 | bool isnew; |
890423fb | 523 | int mlen_uid; |
8cc12805 VY |
524 | int len_uid; |
525 | int len; | |
526 | int joins = 0; | |
527 | const char *s; | |
8cc12805 VY |
528 | char *ptr_uid; |
529 | char *p; | |
530 | int i, joinc = 0, timeslice = 0; | |
531 | static char empty[] = ""; | |
532 | rb_dlink_node *ptr, *next_ptr; | |
2077757f | 533 | char *mbuf; |
7fce9c6d | 534 | int pargs; |
b051b0ef | 535 | const char *para[MAXMODEPARAMS]; |
8cc12805 | 536 | |
b733b9fa | 537 | if(parc < 5) |
3c7d6fcc | 538 | return; |
b733b9fa | 539 | |
8cc12805 | 540 | if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) |
3c7d6fcc | 541 | return; |
8cc12805 VY |
542 | |
543 | /* SJOIN's for local channels can't happen. */ | |
544 | if(*parv[2] == '&') | |
3c7d6fcc | 545 | return; |
8cc12805 VY |
546 | |
547 | modebuf[0] = parabuf[0] = mode.key[0] = mode.forward[0] = '\0'; | |
548 | pargs = mode.mode = mode.limit = mode.join_num = mode.join_time = 0; | |
549 | ||
550 | /* Hide connecting server on netburst -- jilles */ | |
551 | if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) | |
552 | fakesource_p = &me; | |
553 | else | |
554 | fakesource_p = source_p; | |
555 | ||
556 | mbuf = modebuf; | |
557 | newts = atol(parv[1]); | |
558 | ||
559 | s = parv[3]; | |
560 | while (*s) | |
561 | { | |
562 | switch (*(s++)) | |
563 | { | |
8cc12805 | 564 | case 'f': |
f427c8b0 | 565 | rb_strlcpy(mode.forward, parv[4 + args], sizeof(mode.forward)); |
8cc12805 VY |
566 | args++; |
567 | if(parc < 5 + args) | |
3c7d6fcc | 568 | return; |
8cc12805 VY |
569 | break; |
570 | case 'j': | |
571 | sscanf(parv[4 + args], "%d:%d", &joinc, ×lice); | |
572 | args++; | |
573 | mode.join_num = joinc; | |
574 | mode.join_time = timeslice; | |
575 | if(parc < 5 + args) | |
3c7d6fcc | 576 | return; |
8cc12805 VY |
577 | break; |
578 | case 'k': | |
f427c8b0 | 579 | rb_strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); |
8cc12805 VY |
580 | args++; |
581 | if(parc < 5 + args) | |
3c7d6fcc | 582 | return; |
8cc12805 VY |
583 | break; |
584 | case 'l': | |
585 | mode.limit = atoi(parv[4 + args]); | |
586 | args++; | |
587 | if(parc < 5 + args) | |
3c7d6fcc | 588 | return; |
8cc12805 | 589 | break; |
efccc22c VY |
590 | default: |
591 | if(chmode_flags[(int) *s] != 0) | |
592 | { | |
593 | mode.mode |= chmode_flags[(int) *s]; | |
594 | } | |
8cc12805 VY |
595 | } |
596 | } | |
597 | ||
598 | if(parv[args + 4]) | |
599 | { | |
600 | s = parv[args + 4]; | |
601 | ||
602 | /* remove any leading spaces */ | |
603 | while (*s == ' ') | |
604 | s++; | |
605 | } | |
606 | else | |
607 | s = ""; | |
608 | ||
609 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
3c7d6fcc | 610 | return; /* channel name too long? */ |
8cc12805 VY |
611 | |
612 | ||
613 | oldts = chptr->channelts; | |
614 | oldmode = &chptr->mode; | |
615 | ||
8cc12805 VY |
616 | if(!isnew && !newts && oldts) |
617 | { | |
4b1cce65 | 618 | sendto_channel_local(&me, ALL_MEMBERS, chptr, |
8cc12805 VY |
619 | ":%s NOTICE %s :*** Notice -- TS for %s " |
620 | "changed from %ld to 0", | |
621 | me.name, chptr->chname, chptr->chname, (long) oldts); | |
622 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
623 | "Server %s changing TS on %s from %ld to 0", | |
624 | source_p->name, chptr->chname, (long) oldts); | |
625 | } | |
8cc12805 VY |
626 | |
627 | if(isnew) | |
628 | chptr->channelts = newts; | |
55abcbb2 | 629 | |
8cc12805 VY |
630 | else if(newts == 0 || oldts == 0) |
631 | chptr->channelts = 0; | |
632 | else if(newts == oldts) | |
633 | ; | |
634 | else if(newts < oldts) | |
635 | { | |
636 | /* If configured, kick people trying to join +i/+k | |
637 | * channels by recreating them on split servers. | |
a1574df4 JT |
638 | * If the source has sent EOB, assume this is some |
639 | * sort of hack by services. If cmode +i is set, | |
640 | * services can send kicks if needed; if the key | |
641 | * differs, services cannot kick in a race-free | |
642 | * manner so do so here. | |
8cc12805 VY |
643 | * -- jilles */ |
644 | if (ConfigChannel.kick_on_split_riding && | |
a1574df4 JT |
645 | ((!HasSentEob(source_p) && |
646 | mode.mode & MODE_INVITEONLY) || | |
8cc12805 VY |
647 | (mode.key[0] != 0 && irccmp(mode.key, oldmode->key) != 0))) |
648 | { | |
649 | struct membership *msptr; | |
650 | struct Client *who; | |
651 | int l = rb_dlink_list_length(&chptr->members); | |
8cc12805 VY |
652 | |
653 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) | |
654 | { | |
655 | msptr = ptr->data; | |
656 | who = msptr->client_p; | |
657 | sendto_one(who, ":%s KICK %s %s :Net Rider", | |
658 | me.name, chptr->chname, who->name); | |
659 | ||
660 | sendto_server(NULL, chptr, CAP_TS6, NOCAPS, | |
661 | ":%s KICK %s %s :Net Rider", | |
662 | me.id, chptr->chname, | |
663 | who->id); | |
8cc12805 VY |
664 | remove_user_from_channel(msptr); |
665 | if (--l == 0) | |
666 | break; | |
667 | } | |
668 | if (l == 0) | |
669 | { | |
670 | /* Channel was emptied, create a new one */ | |
671 | if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) | |
3c7d6fcc | 672 | return; /* oops! */ |
8cc12805 | 673 | |
8cc12805 VY |
674 | oldmode = &chptr->mode; |
675 | } | |
676 | } | |
3c7d6fcc | 677 | keep_our_modes = false; |
8cc12805 VY |
678 | chptr->channelts = newts; |
679 | } | |
680 | else | |
3c7d6fcc | 681 | keep_new_modes = false; |
8cc12805 VY |
682 | |
683 | if(!keep_new_modes) | |
684 | mode = *oldmode; | |
685 | else if(keep_our_modes) | |
686 | { | |
687 | mode.mode |= oldmode->mode; | |
688 | if(oldmode->limit > mode.limit) | |
689 | mode.limit = oldmode->limit; | |
690 | if(strcmp(mode.key, oldmode->key) < 0) | |
4d5a902f | 691 | rb_strlcpy(mode.key, oldmode->key, sizeof(mode.key)); |
8cc12805 VY |
692 | if(oldmode->join_num > mode.join_num || |
693 | (oldmode->join_num == mode.join_num && | |
694 | oldmode->join_time > mode.join_time)) | |
695 | { | |
696 | mode.join_num = oldmode->join_num; | |
697 | mode.join_time = oldmode->join_time; | |
698 | } | |
699 | if(irccmp(mode.forward, oldmode->forward) < 0) | |
4d5a902f | 700 | rb_strlcpy(mode.forward, oldmode->forward, sizeof(mode.forward)); |
8cc12805 VY |
701 | } |
702 | else | |
703 | { | |
704 | /* If setting -j, clear join throttle state -- jilles */ | |
705 | if (!mode.join_num) | |
706 | chptr->join_count = chptr->join_delta = 0; | |
707 | } | |
708 | ||
2f0b6f83 | 709 | mbuf = set_final_mode(mbuf, parabuf, &mode, oldmode); |
8cc12805 VY |
710 | chptr->mode = mode; |
711 | ||
712 | /* Lost the TS, other side wins, so remove modes on this side */ | |
713 | if(!keep_our_modes) | |
714 | { | |
715 | remove_our_modes(chptr, fakesource_p); | |
716 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) | |
717 | { | |
718 | del_invite(chptr, ptr->data); | |
719 | } | |
7b22c84f JT |
720 | |
721 | if(rb_dlink_list_length(&chptr->banlist) > 0) | |
722 | remove_ban_list(chptr, fakesource_p, &chptr->banlist, 'b', ALL_MEMBERS); | |
723 | if(rb_dlink_list_length(&chptr->exceptlist) > 0) | |
724 | remove_ban_list(chptr, fakesource_p, &chptr->exceptlist, | |
725 | 'e', ONLY_CHANOPS); | |
726 | if(rb_dlink_list_length(&chptr->invexlist) > 0) | |
727 | remove_ban_list(chptr, fakesource_p, &chptr->invexlist, | |
728 | 'I', ONLY_CHANOPS); | |
729 | if(rb_dlink_list_length(&chptr->quietlist) > 0) | |
730 | remove_ban_list(chptr, fakesource_p, &chptr->quietlist, | |
731 | 'q', ALL_MEMBERS); | |
732 | chptr->bants++; | |
733 | ||
4b1cce65 | 734 | sendto_channel_local(&me, ALL_MEMBERS, chptr, |
8cc12805 VY |
735 | ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", |
736 | me.name, chptr->chname, chptr->chname, | |
737 | (long) oldts, (long) newts); | |
738 | /* Update capitalization in channel name, this makes the | |
739 | * capitalization timestamped like modes are -- jilles */ | |
740 | strcpy(chptr->chname, parv[2]); | |
6fb6bd15 AC |
741 | |
742 | /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */ | |
07554369 | 743 | set_channel_mlock(client_p, source_p, chptr, NULL, false); |
8cc12805 VY |
744 | } |
745 | ||
746 | if(*modebuf != '\0') | |
4b1cce65 | 747 | sendto_channel_local(fakesource_p, ALL_MEMBERS, chptr, ":%s MODE %s %s %s", |
8cc12805 VY |
748 | fakesource_p->name, chptr->chname, modebuf, parabuf); |
749 | ||
750 | *modebuf = *parabuf = '\0'; | |
751 | ||
752 | if(parv[3][0] != '0' && keep_new_modes) | |
753 | modes = channel_modes(chptr, source_p); | |
754 | else | |
755 | modes = empty_modes; | |
756 | ||
5203cba5 | 757 | mlen_uid = sprintf(buf_uid, ":%s SJOIN %ld %s %s :", |
8cc12805 VY |
758 | use_id(source_p), (long) chptr->channelts, parv[2], modes); |
759 | ptr_uid = buf_uid + mlen_uid; | |
760 | ||
761 | mbuf = modebuf; | |
762 | para[0] = para[1] = para[2] = para[3] = empty; | |
763 | pargs = 0; | |
40709472 | 764 | len_uid = 0; |
8cc12805 VY |
765 | |
766 | /* if theres a space, theres going to be more than one nick, change the | |
767 | * first space to \0, so s is just the first nick, and point p to the | |
768 | * second nick | |
769 | */ | |
770 | if((p = strchr(s, ' ')) != NULL) | |
771 | { | |
772 | *p++ = '\0'; | |
773 | } | |
774 | ||
775 | *mbuf++ = '+'; | |
776 | ||
777 | while (s) | |
778 | { | |
779 | fl = 0; | |
780 | ||
781 | for (i = 0; i < 2; i++) | |
782 | { | |
783 | if(*s == '@') | |
784 | { | |
785 | fl |= CHFL_CHANOP; | |
786 | s++; | |
787 | } | |
788 | else if(*s == '+') | |
789 | { | |
790 | fl |= CHFL_VOICE; | |
791 | s++; | |
792 | } | |
793 | } | |
794 | ||
795 | /* if the client doesnt exist or is fake direction, skip. */ | |
796 | if(!(target_p = find_client(s)) || | |
797 | (target_p->from != client_p) || !IsPerson(target_p)) | |
798 | goto nextnick; | |
799 | ||
800 | /* we assume for these we can fit at least one nick/uid in.. */ | |
801 | ||
802 | /* check we can fit another status+nick+space into a buffer */ | |
8cc12805 VY |
803 | if((mlen_uid + len_uid + IDLEN + 3) > (BUFSIZE - 3)) |
804 | { | |
805 | *(ptr_uid - 1) = '\0'; | |
806 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
807 | ptr_uid = buf_uid + mlen_uid; | |
808 | len_uid = 0; | |
809 | } | |
810 | ||
811 | if(keep_new_modes) | |
812 | { | |
813 | if(fl & CHFL_CHANOP) | |
814 | { | |
8cc12805 | 815 | *ptr_uid++ = '@'; |
8cc12805 VY |
816 | len_uid++; |
817 | } | |
818 | if(fl & CHFL_VOICE) | |
819 | { | |
8cc12805 | 820 | *ptr_uid++ = '+'; |
8cc12805 VY |
821 | len_uid++; |
822 | } | |
823 | } | |
824 | ||
825 | /* copy the nick to the two buffers */ | |
5203cba5 | 826 | len = sprintf(ptr_uid, "%s ", use_id(target_p)); |
8cc12805 VY |
827 | ptr_uid += len; |
828 | len_uid += len; | |
829 | ||
830 | if(!keep_new_modes) | |
831 | fl = 0; | |
832 | ||
833 | if(!IsMember(target_p, chptr)) | |
834 | { | |
835 | add_user_to_channel(chptr, target_p, fl); | |
805cfa5a | 836 | send_channel_join(chptr, target_p); |
8cc12805 VY |
837 | joins++; |
838 | } | |
839 | ||
840 | if(fl & CHFL_CHANOP) | |
841 | { | |
842 | *mbuf++ = 'o'; | |
843 | para[pargs++] = target_p->name; | |
844 | ||
845 | /* a +ov user.. bleh */ | |
846 | if(fl & CHFL_VOICE) | |
847 | { | |
848 | /* its possible the +o has filled up MAXMODEPARAMS, if so, start | |
849 | * a new buffer | |
850 | */ | |
851 | if(pargs >= MAXMODEPARAMS) | |
852 | { | |
853 | *mbuf = '\0'; | |
4b1cce65 | 854 | sendto_channel_local(fakesource_p, ALL_MEMBERS, chptr, |
8cc12805 VY |
855 | ":%s MODE %s %s %s %s %s %s", |
856 | fakesource_p->name, chptr->chname, | |
857 | modebuf, | |
858 | para[0], para[1], para[2], para[3]); | |
859 | mbuf = modebuf; | |
860 | *mbuf++ = '+'; | |
861 | para[0] = para[1] = para[2] = para[3] = NULL; | |
862 | pargs = 0; | |
863 | } | |
864 | ||
865 | *mbuf++ = 'v'; | |
866 | para[pargs++] = target_p->name; | |
867 | } | |
868 | } | |
869 | else if(fl & CHFL_VOICE) | |
870 | { | |
871 | *mbuf++ = 'v'; | |
872 | para[pargs++] = target_p->name; | |
873 | } | |
874 | ||
875 | if(pargs >= MAXMODEPARAMS) | |
876 | { | |
877 | *mbuf = '\0'; | |
4b1cce65 | 878 | sendto_channel_local(fakesource_p, ALL_MEMBERS, chptr, |
8cc12805 VY |
879 | ":%s MODE %s %s %s %s %s %s", |
880 | fakesource_p->name, | |
881 | chptr->chname, | |
882 | modebuf, para[0], para[1], para[2], para[3]); | |
883 | mbuf = modebuf; | |
884 | *mbuf++ = '+'; | |
885 | para[0] = para[1] = para[2] = para[3] = NULL; | |
886 | pargs = 0; | |
887 | } | |
888 | ||
889 | nextnick: | |
890 | /* p points to the next nick */ | |
891 | s = p; | |
892 | ||
893 | /* if there was a trailing space and p was pointing to it, then we | |
894 | * need to exit.. this has the side effect of breaking double spaces | |
895 | * in an sjoin.. but that shouldnt happen anyway | |
896 | */ | |
897 | if(s && (*s == '\0')) | |
898 | s = p = NULL; | |
899 | ||
900 | /* if p was NULL due to no spaces, s wont exist due to the above, so | |
901 | * we cant check it for spaces.. if there are no spaces, then when | |
902 | * we next get here, s will be NULL | |
903 | */ | |
904 | if(s && ((p = strchr(s, ' ')) != NULL)) | |
905 | { | |
906 | *p++ = '\0'; | |
907 | } | |
908 | } | |
909 | ||
910 | *mbuf = '\0'; | |
911 | if(pargs) | |
912 | { | |
4b1cce65 | 913 | sendto_channel_local(fakesource_p, ALL_MEMBERS, chptr, |
8cc12805 VY |
914 | ":%s MODE %s %s %s %s %s %s", |
915 | fakesource_p->name, chptr->chname, modebuf, | |
916 | para[0], CheckEmpty(para[1]), | |
917 | CheckEmpty(para[2]), CheckEmpty(para[3])); | |
918 | } | |
919 | ||
920 | if(!joins && !(chptr->mode.mode & MODE_PERMANENT) && isnew) | |
921 | { | |
922 | destroy_channel(chptr); | |
923 | ||
3c7d6fcc | 924 | return; |
8cc12805 VY |
925 | } |
926 | ||
927 | /* Keep the colon if we're sending an SJOIN without nicks -- jilles */ | |
928 | if (joins) | |
929 | { | |
8cc12805 VY |
930 | *(ptr_uid - 1) = '\0'; |
931 | } | |
932 | ||
933 | sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); | |
8cc12805 VY |
934 | } |
935 | ||
f4a80ce6 JT |
936 | /* |
937 | * do_join_0 | |
938 | * | |
939 | * inputs - pointer to client doing join 0 | |
940 | * output - NONE | |
941 | * side effects - Use has decided to join 0. This is legacy | |
942 | * from the days when channels were numbers not names. *sigh* | |
f4a80ce6 JT |
943 | */ |
944 | static void | |
945 | do_join_0(struct Client *client_p, struct Client *source_p) | |
946 | { | |
947 | struct membership *msptr; | |
948 | struct Channel *chptr = NULL; | |
5b96d9a6 | 949 | rb_dlink_node *ptr; |
f4a80ce6 JT |
950 | |
951 | /* Finish the flood grace period... */ | |
952 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
953 | flood_endgrace(source_p); | |
954 | ||
f4a80ce6 | 955 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p)); |
f4a80ce6 | 956 | |
f4a80ce6 JT |
957 | while((ptr = source_p->user->channel.head)) |
958 | { | |
4eb9a3ca JT |
959 | if(MyConnect(source_p) && |
960 | !IsOper(source_p) && !IsExemptSpambot(source_p)) | |
961 | check_spambot_warning(source_p, NULL); | |
962 | ||
f4a80ce6 JT |
963 | msptr = ptr->data; |
964 | chptr = msptr->chptr; | |
4b1cce65 | 965 | sendto_channel_local(source_p, ALL_MEMBERS, chptr, ":%s!%s@%s PART %s", |
f4a80ce6 JT |
966 | source_p->name, |
967 | source_p->username, source_p->host, chptr->chname); | |
968 | remove_user_from_channel(msptr); | |
969 | } | |
970 | } | |
971 | ||
3c7d6fcc | 972 | static bool |
212380e3 AC |
973 | check_channel_name_loc(struct Client *source_p, const char *name) |
974 | { | |
6865c0b0 JT |
975 | const char *p; |
976 | ||
212380e3 AC |
977 | s_assert(name != NULL); |
978 | if(EmptyString(name)) | |
3c7d6fcc | 979 | return false; |
212380e3 AC |
980 | |
981 | if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p)) | |
982 | { | |
6865c0b0 | 983 | for(p = name; *p; ++p) |
212380e3 | 984 | { |
6865c0b0 | 985 | if(!IsChanChar(*p) || IsFakeChanChar(*p)) |
3c7d6fcc | 986 | return false; |
212380e3 AC |
987 | } |
988 | } | |
989 | else | |
990 | { | |
6865c0b0 | 991 | for(p = name; *p; ++p) |
212380e3 | 992 | { |
6865c0b0 | 993 | if(!IsChanChar(*p)) |
3c7d6fcc | 994 | return false; |
212380e3 AC |
995 | } |
996 | } | |
997 | ||
6865c0b0 JT |
998 | if(ConfigChannel.only_ascii_channels) |
999 | { | |
1000 | for(p = name; *p; ++p) | |
1001 | if(*p < 33 || *p > 126) | |
3c7d6fcc | 1002 | return false; |
6865c0b0 JT |
1003 | } |
1004 | ||
3c7d6fcc | 1005 | return true; |
212380e3 AC |
1006 | } |
1007 | ||
35bfe0e6 JT |
1008 | /* send_join_error() |
1009 | * | |
1010 | * input - client to send to, reason, channel name | |
1011 | * output - none | |
1012 | * side effects - error message sent to client | |
1013 | */ | |
1014 | static void | |
1015 | send_join_error(struct Client *source_p, int numeric, const char *name) | |
1016 | { | |
1017 | /* This stuff is necessary because the form_str macro only | |
1018 | * accepts constants. | |
1019 | */ | |
1020 | switch (numeric) | |
1021 | { | |
1022 | #define NORMAL_NUMERIC(i) \ | |
1023 | case i: \ | |
1024 | sendto_one(source_p, form_str(i), \ | |
1025 | me.name, source_p->name, name); \ | |
1026 | break | |
1027 | ||
1028 | NORMAL_NUMERIC(ERR_BANNEDFROMCHAN); | |
1029 | NORMAL_NUMERIC(ERR_INVITEONLYCHAN); | |
1030 | NORMAL_NUMERIC(ERR_BADCHANNELKEY); | |
1031 | NORMAL_NUMERIC(ERR_CHANNELISFULL); | |
1032 | NORMAL_NUMERIC(ERR_NEEDREGGEDNICK); | |
1033 | NORMAL_NUMERIC(ERR_THROTTLE); | |
1034 | ||
1035 | default: | |
1036 | sendto_one_numeric(source_p, numeric, | |
1037 | "%s :Cannot join channel", name); | |
1038 | break; | |
1039 | } | |
1040 | } | |
1041 | ||
2077757f | 1042 | static char * |
2f0b6f83 | 1043 | set_final_mode(char *mbuf, char *parabuf, struct Mode *mode, struct Mode *oldmode) |
212380e3 AC |
1044 | { |
1045 | int dir = MODE_QUERY; | |
1046 | char *pbuf = parabuf; | |
1047 | int len; | |
1048 | int i; | |
1049 | ||
1050 | /* ok, first get a list of modes we need to add */ | |
efccc22c | 1051 | for (i = 0; i < 256; i++) |
212380e3 | 1052 | { |
efccc22c | 1053 | if((mode->mode & chmode_flags[i]) && !(oldmode->mode & chmode_flags[i])) |
212380e3 AC |
1054 | { |
1055 | if(dir != MODE_ADD) | |
1056 | { | |
1057 | *mbuf++ = '+'; | |
1058 | dir = MODE_ADD; | |
1059 | } | |
efccc22c | 1060 | *mbuf++ = i; |
212380e3 AC |
1061 | } |
1062 | } | |
1063 | ||
1064 | /* now the ones we need to remove. */ | |
efccc22c | 1065 | for (i = 0; i < 256; i++) |
212380e3 | 1066 | { |
efccc22c | 1067 | if((oldmode->mode & chmode_flags[i]) && !(mode->mode & chmode_flags[i])) |
212380e3 AC |
1068 | { |
1069 | if(dir != MODE_DEL) | |
1070 | { | |
1071 | *mbuf++ = '-'; | |
1072 | dir = MODE_DEL; | |
1073 | } | |
efccc22c | 1074 | *mbuf++ = i; |
212380e3 AC |
1075 | } |
1076 | } | |
1077 | ||
1078 | if(oldmode->limit && !mode->limit) | |
1079 | { | |
1080 | if(dir != MODE_DEL) | |
1081 | { | |
1082 | *mbuf++ = '-'; | |
1083 | dir = MODE_DEL; | |
1084 | } | |
1085 | *mbuf++ = 'l'; | |
1086 | } | |
1087 | if(oldmode->key[0] && !mode->key[0]) | |
1088 | { | |
1089 | if(dir != MODE_DEL) | |
1090 | { | |
1091 | *mbuf++ = '-'; | |
1092 | dir = MODE_DEL; | |
1093 | } | |
1094 | *mbuf++ = 'k'; | |
5203cba5 | 1095 | len = sprintf(pbuf, "%s ", oldmode->key); |
212380e3 AC |
1096 | pbuf += len; |
1097 | } | |
1098 | if(oldmode->join_num && !mode->join_num) | |
1099 | { | |
1100 | if(dir != MODE_DEL) | |
1101 | { | |
1102 | *mbuf++ = '-'; | |
1103 | dir = MODE_DEL; | |
1104 | } | |
1105 | *mbuf++ = 'j'; | |
1106 | } | |
1107 | if(oldmode->forward[0] && !mode->forward[0]) | |
1108 | { | |
1109 | if(dir != MODE_DEL) | |
1110 | { | |
1111 | *mbuf++ = '-'; | |
1112 | dir = MODE_DEL; | |
1113 | } | |
1114 | *mbuf++ = 'f'; | |
1115 | } | |
1116 | if(mode->limit && oldmode->limit != mode->limit) | |
1117 | { | |
1118 | if(dir != MODE_ADD) | |
1119 | { | |
1120 | *mbuf++ = '+'; | |
1121 | dir = MODE_ADD; | |
1122 | } | |
1123 | *mbuf++ = 'l'; | |
5203cba5 | 1124 | len = sprintf(pbuf, "%d ", mode->limit); |
212380e3 AC |
1125 | pbuf += len; |
1126 | } | |
1127 | if(mode->key[0] && strcmp(oldmode->key, mode->key)) | |
1128 | { | |
1129 | if(dir != MODE_ADD) | |
1130 | { | |
1131 | *mbuf++ = '+'; | |
1132 | dir = MODE_ADD; | |
1133 | } | |
1134 | *mbuf++ = 'k'; | |
5203cba5 | 1135 | len = sprintf(pbuf, "%s ", mode->key); |
212380e3 AC |
1136 | pbuf += len; |
1137 | } | |
1138 | if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time)) | |
1139 | { | |
1140 | if(dir != MODE_ADD) | |
1141 | { | |
1142 | *mbuf++ = '+'; | |
1143 | dir = MODE_ADD; | |
1144 | } | |
1145 | *mbuf++ = 'j'; | |
5203cba5 | 1146 | len = sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time); |
212380e3 AC |
1147 | pbuf += len; |
1148 | } | |
2da6f6eb JT |
1149 | if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) && |
1150 | ConfigChannel.use_forward) | |
212380e3 AC |
1151 | { |
1152 | if(dir != MODE_ADD) | |
1153 | { | |
1154 | *mbuf++ = '+'; | |
1155 | dir = MODE_ADD; | |
1156 | } | |
1157 | *mbuf++ = 'f'; | |
5203cba5 | 1158 | len = sprintf(pbuf, "%s ", mode->forward); |
212380e3 AC |
1159 | pbuf += len; |
1160 | } | |
1161 | *mbuf = '\0'; | |
2077757f SA |
1162 | |
1163 | return mbuf; | |
212380e3 AC |
1164 | } |
1165 | ||
1166 | /* | |
1167 | * remove_our_modes | |
1168 | * | |
1169 | * inputs - | |
55abcbb2 KB |
1170 | * output - |
1171 | * side effects - | |
212380e3 AC |
1172 | */ |
1173 | static void | |
1174 | remove_our_modes(struct Channel *chptr, struct Client *source_p) | |
1175 | { | |
1176 | struct membership *msptr; | |
5b96d9a6 | 1177 | rb_dlink_node *ptr; |
212380e3 AC |
1178 | char lmodebuf[MODEBUFLEN]; |
1179 | char *lpara[MAXMODEPARAMS]; | |
1180 | int count = 0; | |
1181 | int i; | |
2077757f | 1182 | char *mbuf = lmodebuf; |
212380e3 | 1183 | |
212380e3 AC |
1184 | *mbuf++ = '-'; |
1185 | ||
1186 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1187 | lpara[i] = NULL; | |
1188 | ||
5b96d9a6 | 1189 | RB_DLINK_FOREACH(ptr, chptr->members.head) |
212380e3 AC |
1190 | { |
1191 | msptr = ptr->data; | |
1192 | ||
1193 | if(is_chanop(msptr)) | |
1194 | { | |
1195 | msptr->flags &= ~CHFL_CHANOP; | |
1196 | lpara[count++] = msptr->client_p->name; | |
1197 | *mbuf++ = 'o'; | |
1198 | ||
1199 | /* +ov, might not fit so check. */ | |
1200 | if(is_voiced(msptr)) | |
1201 | { | |
1202 | if(count >= MAXMODEPARAMS) | |
1203 | { | |
1204 | *mbuf = '\0'; | |
4b1cce65 | 1205 | sendto_channel_local(source_p, ALL_MEMBERS, chptr, |
212380e3 | 1206 | ":%s MODE %s %s %s %s %s %s", |
7bf78de0 | 1207 | source_p->name, chptr->chname, |
212380e3 AC |
1208 | lmodebuf, lpara[0], lpara[1], |
1209 | lpara[2], lpara[3]); | |
1210 | ||
1211 | /* preserve the initial '-' */ | |
1212 | mbuf = lmodebuf; | |
1213 | *mbuf++ = '-'; | |
1214 | count = 0; | |
1215 | ||
1216 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1217 | lpara[i] = NULL; | |
1218 | } | |
1219 | ||
1220 | msptr->flags &= ~CHFL_VOICE; | |
1221 | lpara[count++] = msptr->client_p->name; | |
1222 | *mbuf++ = 'v'; | |
1223 | } | |
1224 | } | |
1225 | else if(is_voiced(msptr)) | |
1226 | { | |
1227 | msptr->flags &= ~CHFL_VOICE; | |
1228 | lpara[count++] = msptr->client_p->name; | |
1229 | *mbuf++ = 'v'; | |
1230 | } | |
1231 | else | |
1232 | continue; | |
1233 | ||
1234 | if(count >= MAXMODEPARAMS) | |
1235 | { | |
1236 | *mbuf = '\0'; | |
4b1cce65 | 1237 | sendto_channel_local(source_p, ALL_MEMBERS, chptr, |
212380e3 | 1238 | ":%s MODE %s %s %s %s %s %s", |
7bf78de0 | 1239 | source_p->name, chptr->chname, lmodebuf, |
212380e3 AC |
1240 | lpara[0], lpara[1], lpara[2], lpara[3]); |
1241 | mbuf = lmodebuf; | |
1242 | *mbuf++ = '-'; | |
1243 | count = 0; | |
1244 | ||
1245 | for(i = 0; i < MAXMODEPARAMS; i++) | |
1246 | lpara[i] = NULL; | |
1247 | } | |
1248 | } | |
1249 | ||
1250 | if(count != 0) | |
1251 | { | |
1252 | *mbuf = '\0'; | |
4b1cce65 | 1253 | sendto_channel_local(source_p, ALL_MEMBERS, chptr, |
212380e3 | 1254 | ":%s MODE %s %s %s %s %s %s", |
7bf78de0 | 1255 | source_p->name, chptr->chname, lmodebuf, |
212380e3 AC |
1256 | EmptyString(lpara[0]) ? "" : lpara[0], |
1257 | EmptyString(lpara[1]) ? "" : lpara[1], | |
1258 | EmptyString(lpara[2]) ? "" : lpara[2], | |
1259 | EmptyString(lpara[3]) ? "" : lpara[3]); | |
1260 | ||
1261 | } | |
1262 | } | |
8cc12805 VY |
1263 | |
1264 | /* remove_ban_list() | |
1265 | * | |
1266 | * inputs - channel, source, list to remove, char of mode, caps needed | |
1267 | * outputs - | |
1268 | * side effects - given list is removed, with modes issued to local clients | |
8cc12805 VY |
1269 | */ |
1270 | static void | |
1271 | remove_ban_list(struct Channel *chptr, struct Client *source_p, | |
8afeb720 | 1272 | rb_dlink_list * list, char c, int mems) |
8cc12805 VY |
1273 | { |
1274 | static char lmodebuf[BUFSIZE]; | |
1275 | static char lparabuf[BUFSIZE]; | |
1276 | struct Ban *banptr; | |
1277 | rb_dlink_node *ptr; | |
1278 | rb_dlink_node *next_ptr; | |
1279 | char *pbuf; | |
1280 | int count = 0; | |
1281 | int cur_len, mlen, plen; | |
2077757f | 1282 | char *mbuf; |
8cc12805 VY |
1283 | |
1284 | pbuf = lparabuf; | |
1285 | ||
5203cba5 | 1286 | cur_len = mlen = sprintf(lmodebuf, ":%s MODE %s -", source_p->name, chptr->chname); |
8cc12805 VY |
1287 | mbuf = lmodebuf + mlen; |
1288 | ||
1289 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) | |
1290 | { | |
1291 | banptr = ptr->data; | |
1292 | ||
1293 | /* trailing space, and the mode letter itself */ | |
23f6b63a JT |
1294 | plen = strlen(banptr->banstr) + |
1295 | (banptr->forward ? strlen(banptr->forward) + 1 : 0) + 2; | |
8cc12805 VY |
1296 | |
1297 | if(count >= MAXMODEPARAMS || (cur_len + plen) > BUFSIZE - 4) | |
1298 | { | |
1299 | /* remove trailing space */ | |
1300 | *mbuf = '\0'; | |
1301 | *(pbuf - 1) = '\0'; | |
1302 | ||
4b1cce65 | 1303 | sendto_channel_local(source_p, mems, chptr, "%s %s", lmodebuf, lparabuf); |
8cc12805 VY |
1304 | |
1305 | cur_len = mlen; | |
1306 | mbuf = lmodebuf + mlen; | |
1307 | pbuf = lparabuf; | |
1308 | count = 0; | |
1309 | } | |
1310 | ||
1311 | *mbuf++ = c; | |
1312 | cur_len += plen; | |
23f6b63a | 1313 | if (banptr->forward) |
5203cba5 | 1314 | pbuf += sprintf(pbuf, "%s$%s ", banptr->banstr, banptr->forward); |
23f6b63a | 1315 | else |
5203cba5 | 1316 | pbuf += sprintf(pbuf, "%s ", banptr->banstr); |
8cc12805 VY |
1317 | count++; |
1318 | ||
1319 | free_ban(banptr); | |
1320 | } | |
1321 | ||
1322 | *mbuf = '\0'; | |
1323 | *(pbuf - 1) = '\0'; | |
4b1cce65 | 1324 | sendto_channel_local(source_p, mems, chptr, "%s %s", lmodebuf, lparabuf); |
8cc12805 VY |
1325 | |
1326 | list->head = list->tail = NULL; | |
1327 | list->length = 0; | |
1328 | } |