| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
| 3 |
* m_join.c: Joins a channel. |
| 4 |
* |
| 5 |
* Copyright (C) 2002 by the past and present ircd coders, and others. |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 20 |
* USA |
| 21 |
* |
| 22 |
* $Id$ |
| 23 |
*/ |
| 24 |
|
| 25 |
#include "stdinc.h" |
| 26 |
#include "list.h" |
| 27 |
#include "handlers.h" |
| 28 |
#include "channel.h" |
| 29 |
#include "channel_mode.h" |
| 30 |
#include "client.h" |
| 31 |
#include "hash.h" |
| 32 |
#include "irc_string.h" |
| 33 |
#include "sprintf_irc.h" |
| 34 |
#include "ircd.h" |
| 35 |
#include "numeric.h" |
| 36 |
#include "send.h" |
| 37 |
#include "s_serv.h" |
| 38 |
#include "s_conf.h" |
| 39 |
#include "msg.h" |
| 40 |
#include "parse.h" |
| 41 |
#include "modules.h" |
| 42 |
|
| 43 |
|
| 44 |
static void m_join(struct Client *, struct Client *, int, char *[]); |
| 45 |
static void ms_join(struct Client *, struct Client *, int, char *[]); |
| 46 |
static void do_join_0(struct Client *, struct Client *); |
| 47 |
|
| 48 |
static void set_final_mode(struct Mode *, struct Mode *); |
| 49 |
static void remove_our_modes(struct Channel *, struct Client *); |
| 50 |
static void remove_a_mode(struct Channel *, struct Client *, int, char); |
| 51 |
|
| 52 |
static char modebuf[MODEBUFLEN]; |
| 53 |
static char parabuf[MODEBUFLEN]; |
| 54 |
static char sendbuf[MODEBUFLEN]; |
| 55 |
static char *mbuf; |
| 56 |
|
| 57 |
struct Message join_msgtab = { |
| 58 |
"JOIN", 0, 0, 2, 0, MFLG_SLOW, 0, |
| 59 |
{ m_unregistered, m_join, ms_join, m_ignore, m_join, m_ignore } |
| 60 |
}; |
| 61 |
|
| 62 |
#ifndef STATIC_MODULES |
| 63 |
void |
| 64 |
_modinit(void) |
| 65 |
{ |
| 66 |
mod_add_cmd(&join_msgtab); |
| 67 |
} |
| 68 |
|
| 69 |
void |
| 70 |
_moddeinit(void) |
| 71 |
{ |
| 72 |
mod_del_cmd(&join_msgtab); |
| 73 |
} |
| 74 |
|
| 75 |
const char *_version = "$Revision$"; |
| 76 |
#endif |
| 77 |
|
| 78 |
/* last0() stolen from ircu */ |
| 79 |
static char * |
| 80 |
last0(struct Client *client_p, struct Client *source_p, char *chanlist) |
| 81 |
{ |
| 82 |
char *p; |
| 83 |
int join0 = 0; |
| 84 |
|
| 85 |
for (p = chanlist; *p; ++p) /* find last "JOIN 0" */ |
| 86 |
{ |
| 87 |
if (*p == '0' && (*(p + 1) == ',' || *(p + 1) == '\0')) |
| 88 |
{ |
| 89 |
if ((*p + 1) == ',') |
| 90 |
++p; |
| 91 |
|
| 92 |
chanlist = p + 1; |
| 93 |
join0 = 1; |
| 94 |
} |
| 95 |
else |
| 96 |
{ |
| 97 |
while (*p != ',' && *p != '\0') /* skip past channel name */ |
| 98 |
++p; |
| 99 |
|
| 100 |
if (*p == '\0') /* hit the end */ |
| 101 |
break; |
| 102 |
} |
| 103 |
} |
| 104 |
|
| 105 |
if (join0) |
| 106 |
do_join_0(client_p, source_p); |
| 107 |
|
| 108 |
return chanlist; |
| 109 |
} |
| 110 |
|
| 111 |
/* m_join() |
| 112 |
* parv[0] = sender prefix |
| 113 |
* parv[1] = channel |
| 114 |
* parv[2] = channel password (key) |
| 115 |
*/ |
| 116 |
static void |
| 117 |
m_join(struct Client *client_p, struct Client *source_p, |
| 118 |
int parc, char *parv[]) |
| 119 |
{ |
| 120 |
char *p = NULL; |
| 121 |
char *key_list = NULL; |
| 122 |
char *chan_list = NULL; |
| 123 |
char *chan = NULL; |
| 124 |
struct Channel *chptr = NULL; |
| 125 |
int i = 0; |
| 126 |
unsigned int flags = 0; |
| 127 |
|
| 128 |
if (EmptyString(parv[1])) |
| 129 |
{ |
| 130 |
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
| 131 |
me.name, source_p->name, "JOIN"); |
| 132 |
return; |
| 133 |
} |
| 134 |
|
| 135 |
assert(client_p == source_p); |
| 136 |
|
| 137 |
key_list = parv[2]; |
| 138 |
chan_list = last0(client_p, source_p, parv[1]); |
| 139 |
|
| 140 |
for (chan = strtoken(&p, chan_list, ","); chan; |
| 141 |
chan = strtoken(&p, NULL, ",")) |
| 142 |
{ |
| 143 |
char *key = NULL; |
| 144 |
|
| 145 |
/* If we have any more keys, take the first for this channel. */ |
| 146 |
if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ','))) |
| 147 |
*key_list++ = '\0'; |
| 148 |
|
| 149 |
/* Empty keys are the same as no keys. */ |
| 150 |
if (key && *key == '\0') |
| 151 |
key = NULL; |
| 152 |
|
| 153 |
if (!check_channel_name(chan, 1)) |
| 154 |
{ |
| 155 |
sendto_one(source_p, form_str(ERR_BADCHANNAME), |
| 156 |
me.name, source_p->name, chan); |
| 157 |
continue; |
| 158 |
} |
| 159 |
|
| 160 |
if (ConfigChannel.disable_local_channels && (*chan == '&')) |
| 161 |
{ |
| 162 |
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), |
| 163 |
me.name, source_p->name, chan); |
| 164 |
continue; |
| 165 |
} |
| 166 |
|
| 167 |
if (!IsExemptResv(source_p) && |
| 168 |
!(IsOper(source_p) && ConfigFileEntry.oper_pass_resv) && |
| 169 |
(!hash_find_resv(chan) == ConfigChannel.restrict_channels)) |
| 170 |
{ |
| 171 |
sendto_one(source_p, form_str(ERR_BADCHANNAME), |
| 172 |
me.name, source_p->name, chan); |
| 173 |
sendto_realops_flags(UMODE_SPY, L_ALL, |
| 174 |
"User %s (%s@%s) is attempting to join locally juped channel %s", |
| 175 |
source_p->name, source_p->username, source_p->host, chan); |
| 176 |
continue; |
| 177 |
} |
| 178 |
|
| 179 |
if ((dlink_list_length(&source_p->channel) >= ConfigChannel.max_chans_per_user) && |
| 180 |
(!IsOper(source_p) || (dlink_list_length(&source_p->channel) >= |
| 181 |
ConfigChannel.max_chans_per_user * 3))) |
| 182 |
{ |
| 183 |
sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS), |
| 184 |
me.name, source_p->name, chan); |
| 185 |
break; |
| 186 |
} |
| 187 |
|
| 188 |
if ((chptr = hash_find_channel(chan)) != NULL) |
| 189 |
{ |
| 190 |
if (IsMember(source_p, chptr)) |
| 191 |
continue; |
| 192 |
|
| 193 |
if (splitmode && !IsOper(source_p) && (*chan != '&') && |
| 194 |
ConfigChannel.no_join_on_split) |
| 195 |
{ |
| 196 |
sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), |
| 197 |
me.name, source_p->name, chan); |
| 198 |
continue; |
| 199 |
} |
| 200 |
|
| 201 |
/* |
| 202 |
* can_join checks for +i key, bans. |
| 203 |
*/ |
| 204 |
if ((i = can_join(source_p, chptr, key))) |
| 205 |
{ |
| 206 |
sendto_one(source_p, form_str(i), me.name, |
| 207 |
source_p->name, chptr->chname); |
| 208 |
continue; |
| 209 |
} |
| 210 |
|
| 211 |
/* |
| 212 |
* This should never be the case unless there is some sort of |
| 213 |
* persistant channels. |
| 214 |
*/ |
| 215 |
if (dlink_list_length(&chptr->members) == 0) |
| 216 |
flags = CHFL_CHANOP; |
| 217 |
else |
| 218 |
flags = 0; |
| 219 |
} |
| 220 |
else |
| 221 |
{ |
| 222 |
if (splitmode && !IsOper(source_p) && (*chan != '&') && |
| 223 |
(ConfigChannel.no_create_on_split || ConfigChannel.no_join_on_split)) |
| 224 |
{ |
| 225 |
sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE), |
| 226 |
me.name, source_p->name, chan); |
| 227 |
continue; |
| 228 |
} |
| 229 |
|
| 230 |
flags = CHFL_CHANOP; |
| 231 |
chptr = make_channel(chan); |
| 232 |
} |
| 233 |
|
| 234 |
if (!IsOper(source_p)) |
| 235 |
check_spambot_warning(source_p, chptr->chname); |
| 236 |
|
| 237 |
add_user_to_channel(chptr, source_p, flags, 1); |
| 238 |
|
| 239 |
/* |
| 240 |
* Set timestamp if appropriate, and propagate |
| 241 |
*/ |
| 242 |
if (flags & CHFL_CHANOP) |
| 243 |
{ |
| 244 |
chptr->channelts = CurrentTime; |
| 245 |
chptr->mode.mode |= MODE_TOPICLIMIT; |
| 246 |
chptr->mode.mode |= MODE_NOPRIVMSGS; |
| 247 |
|
| 248 |
sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
| 249 |
":%s SJOIN %lu %s +nt :@%s", |
| 250 |
me.id, (unsigned long)chptr->channelts, |
| 251 |
chptr->chname, source_p->id); |
| 252 |
sendto_server(client_p, chptr, NOCAPS, CAP_TS6, |
| 253 |
":%s SJOIN %lu %s +nt :@%s", |
| 254 |
me.name, (unsigned long)chptr->channelts, |
| 255 |
chptr->chname, source_p->name); |
| 256 |
/* |
| 257 |
* notify all other users on the new channel |
| 258 |
*/ |
| 259 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s JOIN :%s", |
| 260 |
source_p->name, source_p->username, |
| 261 |
source_p->host, chptr->chname); |
| 262 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s MODE %s +nt", |
| 263 |
me.name, chptr->chname); |
| 264 |
} |
| 265 |
else |
| 266 |
{ |
| 267 |
sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
| 268 |
":%s JOIN %lu %s +", |
| 269 |
source_p->id, (unsigned long)chptr->channelts, |
| 270 |
chptr->chname); |
| 271 |
sendto_server(client_p, chptr, NOCAPS, CAP_TS6, |
| 272 |
":%s SJOIN %lu %s + :%s", |
| 273 |
me.name, (unsigned long)chptr->channelts, |
| 274 |
chptr->chname, source_p->name); |
| 275 |
|
| 276 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s JOIN :%s", |
| 277 |
source_p->name, source_p->username, |
| 278 |
source_p->host, chptr->chname); |
| 279 |
} |
| 280 |
|
| 281 |
del_invite(chptr, source_p); |
| 282 |
|
| 283 |
if (chptr->topic != NULL) |
| 284 |
{ |
| 285 |
sendto_one(source_p, form_str(RPL_TOPIC), me.name, |
| 286 |
source_p->name, chptr->chname, chptr->topic); |
| 287 |
|
| 288 |
sendto_one(source_p, form_str(RPL_TOPICWHOTIME), |
| 289 |
me.name, source_p->name, chptr->chname, |
| 290 |
chptr->topic_info, chptr->topic_time); |
| 291 |
} |
| 292 |
|
| 293 |
channel_member_names(source_p, chptr, 1); |
| 294 |
|
| 295 |
source_p->localClient->last_join_time = CurrentTime; |
| 296 |
} |
| 297 |
} |
| 298 |
|
| 299 |
/* ms_join() |
| 300 |
* |
| 301 |
* inputs - parv[0] = uid |
| 302 |
* parv[1] = ts |
| 303 |
* parv[2] = channel name |
| 304 |
* parv[3] = modes (Deprecated) |
| 305 |
* output - none |
| 306 |
* side effects - handles remote JOIN's sent by servers. In TSora |
| 307 |
* remote clients are joined using SJOIN, hence a |
| 308 |
* JOIN sent by a server on behalf of a client is an error. |
| 309 |
* here, the initial code is in to take an extra parameter |
| 310 |
* and use it for the TimeStamp on a new channel. |
| 311 |
*/ |
| 312 |
static void |
| 313 |
ms_join(struct Client *client_p, struct Client *source_p, |
| 314 |
int parc, char *parv[]) |
| 315 |
{ |
| 316 |
time_t newts = 0; |
| 317 |
time_t oldts = 0; |
| 318 |
int keep_our_modes = 1; |
| 319 |
int keep_new_modes = 1; |
| 320 |
int isnew = 0; |
| 321 |
const char *servername = NULL; |
| 322 |
struct Channel *chptr = NULL; |
| 323 |
struct Mode mode, *oldmode; |
| 324 |
|
| 325 |
if (parc == 2 && !irccmp(parv[1], "0")) |
| 326 |
{ |
| 327 |
do_join_0(client_p, source_p); |
| 328 |
return; |
| 329 |
} |
| 330 |
|
| 331 |
if (parc < 4 || *parv[2] == '&') |
| 332 |
return; |
| 333 |
|
| 334 |
if (!check_channel_name(parv[2], 0)) |
| 335 |
{ |
| 336 |
sendto_realops_flags(UMODE_DEBUG, L_ALL, |
| 337 |
"*** Too long or invalid channel name from %s: %s", |
| 338 |
client_p->name, parv[2]); |
| 339 |
return; |
| 340 |
} |
| 341 |
|
| 342 |
mbuf = modebuf; |
| 343 |
mode.mode = mode.limit = 0; |
| 344 |
mode.key[0] = '\0'; |
| 345 |
|
| 346 |
if ((chptr = hash_find_channel(parv[2])) == NULL) |
| 347 |
{ |
| 348 |
isnew = 1; |
| 349 |
chptr = make_channel(parv[2]); |
| 350 |
} |
| 351 |
|
| 352 |
newts = atol(parv[1]); |
| 353 |
oldts = chptr->channelts; |
| 354 |
oldmode = &chptr->mode; |
| 355 |
|
| 356 |
if (ConfigFileEntry.ignore_bogus_ts) |
| 357 |
{ |
| 358 |
if (newts < 800000000) |
| 359 |
{ |
| 360 |
sendto_realops_flags(UMODE_DEBUG, L_ALL, |
| 361 |
"*** Bogus TS %lu on %s ignored from %s", |
| 362 |
(unsigned long)newts, chptr->chname, |
| 363 |
client_p->name); |
| 364 |
|
| 365 |
newts = (oldts == 0) ? 0 : 800000000; |
| 366 |
} |
| 367 |
} |
| 368 |
else |
| 369 |
{ |
| 370 |
if (!newts && !isnew && oldts) |
| 371 |
{ |
| 372 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, |
| 373 |
":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to 0", |
| 374 |
me.name, chptr->chname, chptr->chname, (unsigned long)oldts); |
| 375 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 376 |
"Server %s changing TS on %s from %lu to 0", |
| 377 |
source_p->name, chptr->chname, (unsigned long)oldts); |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
if (isnew) |
| 382 |
chptr->channelts = newts; |
| 383 |
else if (newts == 0 || oldts == 0) |
| 384 |
chptr->channelts = 0; |
| 385 |
else if (newts == oldts) |
| 386 |
; |
| 387 |
else if (newts < oldts) |
| 388 |
{ |
| 389 |
keep_our_modes = 0; |
| 390 |
chptr->channelts = newts; |
| 391 |
} |
| 392 |
else |
| 393 |
keep_new_modes = 0; |
| 394 |
|
| 395 |
if (!keep_new_modes) |
| 396 |
mode = *oldmode; |
| 397 |
else if (keep_our_modes) |
| 398 |
{ |
| 399 |
mode.mode |= oldmode->mode; |
| 400 |
if (oldmode->limit > mode.limit) |
| 401 |
mode.limit = oldmode->limit; |
| 402 |
if (strcmp(mode.key, oldmode->key) < 0) |
| 403 |
strcpy(mode.key, oldmode->key); |
| 404 |
} |
| 405 |
|
| 406 |
set_final_mode(&mode, oldmode); |
| 407 |
chptr->mode = mode; |
| 408 |
|
| 409 |
/* Lost the TS, other side wins, so remove modes on this side */ |
| 410 |
if (!keep_our_modes) |
| 411 |
{ |
| 412 |
remove_our_modes(chptr, source_p); |
| 413 |
|
| 414 |
if (chptr->topic) |
| 415 |
{ |
| 416 |
set_channel_topic(chptr, NULL, NULL, 0); |
| 417 |
chptr->topic_time = 0; |
| 418 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s TOPIC %s :", |
| 419 |
(IsHidden(source_p) || |
| 420 |
ConfigServerHide.hide_servers) ? |
| 421 |
me.name : source_p->name, chptr->chname); |
| 422 |
} |
| 423 |
|
| 424 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, |
| 425 |
":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to %lu", |
| 426 |
me.name, chptr->chname, chptr->chname, |
| 427 |
(unsigned long)oldts, (unsigned long)newts); |
| 428 |
} |
| 429 |
|
| 430 |
if (*modebuf != '\0') |
| 431 |
{ |
| 432 |
servername = (ConfigServerHide.hide_servers || IsHidden(source_p)) ? |
| 433 |
me.name : source_p->name; |
| 434 |
|
| 435 |
/* This _SHOULD_ be to ALL_MEMBERS |
| 436 |
* It contains only +imnpstlk, etc */ |
| 437 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s MODE %s %s %s", |
| 438 |
servername, chptr->chname, modebuf, parabuf); |
| 439 |
} |
| 440 |
|
| 441 |
if (!IsMember(source_p, chptr)) |
| 442 |
{ |
| 443 |
add_user_to_channel(chptr, source_p, 0, 1); |
| 444 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s JOIN :%s", |
| 445 |
source_p->name, source_p->username, |
| 446 |
source_p->host, chptr->chname); |
| 447 |
} |
| 448 |
|
| 449 |
sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
| 450 |
":%s JOIN %lu %s +", |
| 451 |
ID(source_p), (unsigned long)chptr->channelts, chptr->chname); |
| 452 |
sendto_server(client_p, chptr, NOCAPS, CAP_TS6, |
| 453 |
":%s SJOIN %lu %s + :%s", |
| 454 |
source_p->servptr->name, (unsigned long)chptr->channelts, |
| 455 |
chptr->chname, source_p->name); |
| 456 |
} |
| 457 |
|
| 458 |
/* do_join_0() |
| 459 |
* |
| 460 |
* inputs - pointer to client doing join 0 |
| 461 |
* output - NONE |
| 462 |
* side effects - Use has decided to join 0. This is legacy |
| 463 |
* from the days when channels were numbers not names. *sigh* |
| 464 |
* There is a bunch of evilness necessary here due to |
| 465 |
* anti spambot code. |
| 466 |
*/ |
| 467 |
static void |
| 468 |
do_join_0(struct Client *client_p, struct Client *source_p) |
| 469 |
{ |
| 470 |
struct Channel *chptr = NULL; |
| 471 |
dlink_node *ptr = NULL, *ptr_next = NULL; |
| 472 |
|
| 473 |
if (source_p->channel.head && MyConnect(source_p) && !IsOper(source_p)) |
| 474 |
check_spambot_warning(source_p, NULL); |
| 475 |
|
| 476 |
DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->channel.head) |
| 477 |
{ |
| 478 |
chptr = ((struct Membership *)ptr->data)->chptr; |
| 479 |
|
| 480 |
sendto_server(client_p, chptr, CAP_TS6, NOCAPS, |
| 481 |
":%s PART %s", ID(source_p), chptr->chname); |
| 482 |
sendto_server(client_p, chptr, NOCAPS, CAP_TS6, |
| 483 |
":%s PART %s", source_p->name, chptr->chname); |
| 484 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s PART %s", |
| 485 |
source_p->name, source_p->username, |
| 486 |
source_p->host, chptr->chname); |
| 487 |
|
| 488 |
remove_user_from_channel(ptr->data); |
| 489 |
} |
| 490 |
} |
| 491 |
|
| 492 |
/* set_final_mode() |
| 493 |
* |
| 494 |
* inputs - pointer to mode to setup |
| 495 |
* - pointer to old mode |
| 496 |
* output - NONE |
| 497 |
* side effects - |
| 498 |
*/ |
| 499 |
static const struct mode_letter |
| 500 |
{ |
| 501 |
unsigned int mode; |
| 502 |
unsigned char letter; |
| 503 |
} flags[] = { |
| 504 |
{ MODE_NOPRIVMSGS, 'n' }, |
| 505 |
{ MODE_TOPICLIMIT, 't' }, |
| 506 |
{ MODE_SECRET, 's' }, |
| 507 |
{ MODE_MODERATED, 'm' }, |
| 508 |
{ MODE_INVITEONLY, 'i' }, |
| 509 |
{ MODE_PRIVATE, 'p' }, |
| 510 |
{ 0, '\0' } |
| 511 |
}; |
| 512 |
|
| 513 |
static void |
| 514 |
set_final_mode(struct Mode *mode, struct Mode *oldmode) |
| 515 |
{ |
| 516 |
char *pbuf = parabuf; |
| 517 |
int what = 0; |
| 518 |
int len; |
| 519 |
int i; |
| 520 |
|
| 521 |
for (i = 0; flags[i].letter; i++) |
| 522 |
{ |
| 523 |
if ((flags[i].mode & mode->mode) && |
| 524 |
!(flags[i].mode & oldmode->mode)) |
| 525 |
{ |
| 526 |
if (what != 1) |
| 527 |
{ |
| 528 |
*mbuf++ = '+'; |
| 529 |
what = 1; |
| 530 |
} |
| 531 |
*mbuf++ = flags[i].letter; |
| 532 |
} |
| 533 |
} |
| 534 |
|
| 535 |
for (i = 0; flags[i].letter; i++) |
| 536 |
{ |
| 537 |
if ((flags[i].mode & oldmode->mode) && |
| 538 |
!(flags[i].mode & mode->mode)) |
| 539 |
{ |
| 540 |
if (what != -1) |
| 541 |
{ |
| 542 |
*mbuf++ = '-'; |
| 543 |
what = -1; |
| 544 |
} |
| 545 |
*mbuf++ = flags[i].letter; |
| 546 |
} |
| 547 |
} |
| 548 |
|
| 549 |
if (oldmode->limit != 0 && mode->limit == 0) |
| 550 |
{ |
| 551 |
if (what != -1) |
| 552 |
{ |
| 553 |
*mbuf++ = '-'; |
| 554 |
what = -1; |
| 555 |
} |
| 556 |
*mbuf++ = 'l'; |
| 557 |
} |
| 558 |
|
| 559 |
if (oldmode->key[0] && !mode->key[0]) |
| 560 |
{ |
| 561 |
if (what != -1) |
| 562 |
{ |
| 563 |
*mbuf++ = '-'; |
| 564 |
what = -1; |
| 565 |
} |
| 566 |
*mbuf++ = 'k'; |
| 567 |
len = ircsprintf(pbuf, "%s ", oldmode->key); |
| 568 |
pbuf += len; |
| 569 |
} |
| 570 |
|
| 571 |
if (mode->limit != 0 && oldmode->limit != mode->limit) |
| 572 |
{ |
| 573 |
if (what != 1) |
| 574 |
{ |
| 575 |
*mbuf++ = '+'; |
| 576 |
what = 1; |
| 577 |
} |
| 578 |
*mbuf++ = 'l'; |
| 579 |
len = ircsprintf(pbuf, "%d ", mode->limit); |
| 580 |
pbuf += len; |
| 581 |
} |
| 582 |
|
| 583 |
if (mode->key[0] && strcmp(oldmode->key, mode->key)) |
| 584 |
{ |
| 585 |
if (what != 1) |
| 586 |
{ |
| 587 |
*mbuf++ = '+'; |
| 588 |
what = 1; |
| 589 |
} |
| 590 |
*mbuf++ = 'k'; |
| 591 |
len = ircsprintf(pbuf, "%s ", mode->key); |
| 592 |
pbuf += len; |
| 593 |
} |
| 594 |
*mbuf = '\0'; |
| 595 |
} |
| 596 |
|
| 597 |
/* remove_our_modes() |
| 598 |
* |
| 599 |
* inputs - pointer to channel to remove modes from |
| 600 |
* - client pointer |
| 601 |
* output - NONE |
| 602 |
* side effects - Go through the local members, remove all their |
| 603 |
* chanop modes etc., this side lost the TS. |
| 604 |
*/ |
| 605 |
static void |
| 606 |
remove_our_modes(struct Channel *chptr, struct Client *source_p) |
| 607 |
{ |
| 608 |
remove_a_mode(chptr, source_p, CHFL_CHANOP, 'o'); |
| 609 |
#ifdef HALFOPS |
| 610 |
remove_a_mode(chptr, source_p, CHFL_HALFOP, 'h'); |
| 611 |
#endif |
| 612 |
remove_a_mode(chptr, source_p, CHFL_VOICE, 'v'); |
| 613 |
} |
| 614 |
|
| 615 |
/* remove_a_mode() |
| 616 |
* |
| 617 |
* inputs - |
| 618 |
* output - NONE |
| 619 |
* side effects - remove ONE mode from a channel |
| 620 |
*/ |
| 621 |
static void |
| 622 |
remove_a_mode(struct Channel *chptr, struct Client *source_p, |
| 623 |
int mask, char flag) |
| 624 |
{ |
| 625 |
dlink_node *ptr; |
| 626 |
struct Membership *ms; |
| 627 |
char lmodebuf[MODEBUFLEN]; |
| 628 |
const char *lpara[MAXMODEPARAMS]; |
| 629 |
int count = 0; |
| 630 |
int lcount; |
| 631 |
|
| 632 |
mbuf = lmodebuf; |
| 633 |
*mbuf++ = '-'; |
| 634 |
|
| 635 |
for (lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
| 636 |
lpara[lcount] = ""; |
| 637 |
sendbuf[0] = '\0'; |
| 638 |
|
| 639 |
DLINK_FOREACH(ptr, chptr->members.head) |
| 640 |
{ |
| 641 |
ms = ptr->data; |
| 642 |
|
| 643 |
if ((ms->flags & mask) == 0) |
| 644 |
continue; |
| 645 |
|
| 646 |
ms->flags &= ~mask; |
| 647 |
|
| 648 |
lpara[count++] = ms->client_p->name; |
| 649 |
|
| 650 |
*mbuf++ = flag; |
| 651 |
|
| 652 |
if (count >= MAXMODEPARAMS) |
| 653 |
{ |
| 654 |
for (lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
| 655 |
{ |
| 656 |
if (*lpara[lcount] == '\0') |
| 657 |
break; |
| 658 |
|
| 659 |
strlcat(sendbuf, " ", sizeof(sendbuf)); |
| 660 |
strlcat(sendbuf, lpara[lcount], sizeof(sendbuf)); |
| 661 |
lpara[lcount] = ""; |
| 662 |
} |
| 663 |
|
| 664 |
*mbuf = '\0'; |
| 665 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, |
| 666 |
":%s MODE %s %s%s", |
| 667 |
(IsHidden(source_p) || |
| 668 |
ConfigServerHide.hide_servers) ? |
| 669 |
me.name : source_p->name, |
| 670 |
chptr->chname, lmodebuf, sendbuf); |
| 671 |
mbuf = lmodebuf; |
| 672 |
*mbuf++ = '-'; |
| 673 |
count = 0; |
| 674 |
sendbuf[0] = '\0'; |
| 675 |
} |
| 676 |
} |
| 677 |
|
| 678 |
if (count != 0) |
| 679 |
{ |
| 680 |
*mbuf = '\0'; |
| 681 |
for (lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
| 682 |
{ |
| 683 |
if (*lpara[lcount] == '\0') |
| 684 |
break; |
| 685 |
|
| 686 |
strlcat(sendbuf, " ", sizeof(sendbuf)); |
| 687 |
strlcat(sendbuf, lpara[lcount], sizeof(sendbuf)); |
| 688 |
} |
| 689 |
sendto_channel_local(ALL_MEMBERS, 0, chptr, |
| 690 |
":%s MODE %s %s%s", |
| 691 |
(IsHidden(source_p) || ConfigServerHide.hide_servers) ? |
| 692 |
me.name : source_p->name, |
| 693 |
chptr->chname, lmodebuf, sendbuf); |
| 694 |
} |
| 695 |
} |
| 696 |
|
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