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|
.TH "channels.cpp" 3 "14 Dec 2005" "Version 1.0Betareleases" "InspIRCd" \" -*- nroff -*-
.ad l
.nh
.SH NAME
channels.cpp \-
.SH SYNOPSIS
.br
.PP
\fC#include 'inspircd_config.h'\fP
.br
\fC#include 'inspircd.h'\fP
.br
\fC#include 'inspircd_io.h'\fP
.br
\fC#include 'inspircd_util.h'\fP
.br
\fC#include <unistd.h>\fP
.br
\fC#include <sys/errno.h>\fP
.br
\fC#include <sys/ioctl.h>\fP
.br
\fC#include <sys/utsname.h>\fP
.br
\fC#include <time.h>\fP
.br
\fC#include <string>\fP
.br
\fC#include <hash_map>\fP
.br
\fC#include <map>\fP
.br
\fC#include <sstream>\fP
.br
\fC#include <vector>\fP
.br
\fC#include <deque>\fP
.br
\fC#include 'users.h'\fP
.br
\fC#include 'ctables.h'\fP
.br
\fC#include 'globals.h'\fP
.br
\fC#include 'modules.h'\fP
.br
\fC#include 'dynamic.h'\fP
.br
\fC#include 'commands.h'\fP
.br
\fC#include 'wildcard.h'\fP
.br
\fC#include 'message.h'\fP
.br
\fC#include 'mode.h'\fP
.br
\fC#include 'xline.h'\fP
.br
\fC#include 'inspstring.h'\fP
.br
\fC#include 'helperfuncs.h'\fP
.br
\fC#include 'typedefs.h'\fP
.br
.SS "Namespaces"
.in +1c
.ti -1c
.RI "namespace \fBstd\fP"
.br
.in -1c
.SS "Defines"
.in +1c
.ti -1c
.RI "#define \fBnspace\fP std"
.br
.in -1c
.SS "Functions"
.in +1c
.ti -1c
.RI "\fBchanrec\fP * \fBForceChan\fP (\fBchanrec\fP *Ptr, \fBucrec\fP &a, \fBuserrec\fP *user, int created)"
.br
.ti -1c
.RI "\fBchanrec\fP * \fBadd_channel\fP (\fBuserrec\fP *user, const char *cn, const char *key, bool override)"
.br
.ti -1c
.RI "\fBchanrec\fP * \fBdel_channel\fP (\fBuserrec\fP *user, const char *cname, const char *reason, bool local)"
.br
.ti -1c
.RI "void \fBkick_channel\fP (\fBuserrec\fP *src, \fBuserrec\fP *user, \fBchanrec\fP *Ptr, char *reason)"
.br
.in -1c
.SS "Variables"
.in +1c
.ti -1c
.RI "\fBServerConfig\fP * \fBConfig\fP"
.br
.ti -1c
.RI "int \fBMODCOUNT\fP = -1"
.br
.ti -1c
.RI "std::vector< \fBModule\fP * > \fBmodules\fP"
.br
.ti -1c
.RI "std::vector< \fBircd_module\fP * > \fBfactory\fP"
.br
.ti -1c
.RI "int \fBWHOWAS_STALE\fP"
.br
.ti -1c
.RI "int \fBWHOWAS_MAX\fP"
.br
.ti -1c
.RI "time_t \fBTIME\fP"
.br
.ti -1c
.RI "\fBchan_hash\fP \fBchanlist\fP"
.br
.ti -1c
.RI "std::vector< \fBModeParameter\fP > \fBcustom_mode_params\fP"
.br
.in -1c
.SH "Define Documentation"
.PP
.SS "#define nspace std"
.PP
Definition at line 55 of file channels.cpp.
.SH "Function Documentation"
.PP
.SS "\fBchanrec\fP* add_channel (\fBuserrec\fP * user, const char * cn, const char * key, bool override)"
.PP
Definition at line 195 of file channels.cpp.
.PP
References chanrec::bans, chanrec::binarymodes, chanlist, userrec::chans, CM_INVITEONLY, CM_NOEXTERNAL, CM_TOPICLOCK, DEBUG, DEFAULT, connection::fd, FindChan(), ForceChan(), FOREACH_RESULT, userrec::GetFullHost(), has_channel(), userrec::IsInvited(), chanrec::key, chanrec::limit, log(), userrec::modes, chanrec::name, userrec::nick, userrec::RemoveInvite(), TIME, and WriteServ().
.PP
Referenced by Server::JoinUserToChannel().
.PP
.nf
196 {
197 if ((!user) || (!cn))
198 {
199 log(DEFAULT,'*** BUG *** add_channel was given an invalid parameter');
200 return 0;
201 }
202
203 int created = 0;
204 char cname[MAXBUF];
205 int MOD_RESULT = 0;
206 strncpy(cname,cn,CHANMAX);
207
208 log(DEBUG,'add_channel: %s %s',user->nick,cname);
209
210 chanrec* Ptr = FindChan(cname);
211
212 if (!Ptr)
213 {
214 if (user->fd > -1)
215 {
216 MOD_RESULT = 0;
217 FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
218 if (MOD_RESULT == 1)
219 return NULL;
220 }
221 /* create a new one */
222 chanlist[cname] = new chanrec();
223 strlcpy(chanlist[cname]->name, cname,CHANMAX);
224 chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
225 chanlist[cname]->created = TIME;
226 strcpy(chanlist[cname]->topic, '');
227 strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
228 chanlist[cname]->topicset = 0;
229 Ptr = chanlist[cname];
230 log(DEBUG,'add_channel: created: %s',cname);
231 /* set created to 2 to indicate user
232 * is the first in the channel
233 * and should be given ops */
234 created = 2;
235 }
236 else
237 {
238 /* Already on the channel */
239 if (has_channel(user,Ptr))
240 return NULL;
241
242 // remote users are allowed us to bypass channel modes
243 // and bans (used by servers)
244 if (user->fd > -1)
245 {
246 MOD_RESULT = 0;
247 FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
248 if (MOD_RESULT == 1)
249 {
250 return NULL;
251 }
252 else
253 {
254 if (*Ptr->key)
255 {
256 MOD_RESULT = 0;
257 FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ''));
258 if (!MOD_RESULT)
259 {
260 if (!key)
261 {
262 log(DEBUG,'add_channel: no key given in JOIN');
263 WriteServ(user->fd,'475 %s %s :Cannot join channel (Requires key)',user->nick, Ptr->name);
264 return NULL;
265 }
266 else
267 {
268 if (strcasecmp(key,Ptr->key))
269 {
270 log(DEBUG,'add_channel: bad key given in JOIN');
271 WriteServ(user->fd,'475 %s %s :Cannot join channel (Incorrect key)',user->nick, Ptr->name);
272 return NULL;
273 }
274 }
275 }
276 }
277 if (Ptr->binarymodes & CM_INVITEONLY)
278 {
279 MOD_RESULT = 0;
280 FOREACH_RESULT(OnCheckInvite(user, Ptr));
281 if (!MOD_RESULT)
282 {
283 log(DEBUG,'add_channel: channel is +i');
284 if (user->IsInvited(Ptr->name))
285 {
286 /* user was invited to channel */
287 /* there may be an optional channel NOTICE here */
288 }
289 else
290 {
291 WriteServ(user->fd,'473 %s %s :Cannot join channel (Invite only)',user->nick, Ptr->name);
292 return NULL;
293 }
294 }
295 user->RemoveInvite(Ptr->name);
296 }
297 if (Ptr->limit)
298 {
299 MOD_RESULT = 0;
300 FOREACH_RESULT(OnCheckLimit(user, Ptr));
301 if (!MOD_RESULT)
302 {
303 if (usercount(Ptr) >= Ptr->limit)
304 {
305 WriteServ(user->fd,'471 %s %s :Cannot join channel (Channel is full)',user->nick, Ptr->name);
306 return NULL;
307 }
308 }
309 }
310 if (Ptr->bans.size())
311 {
312 log(DEBUG,'add_channel: about to walk banlist');
313 MOD_RESULT = 0;
314 FOREACH_RESULT(OnCheckBan(user, Ptr));
315 if (!MOD_RESULT)
316 {
317 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
318 {
319 if (match(user->GetFullHost(),i->data))
320 {
321 WriteServ(user->fd,'474 %s %s :Cannot join channel (You're banned)',user->nick, Ptr->name);
322 return NULL;
323 }
324 }
325 }
326 }
327 }
328 }
329 else
330 {
331 log(DEBUG,'Overridden checks');
332 }
333 created = 1;
334 }
335
336 log(DEBUG,'Passed channel checks');
337
338 for (unsigned int index =0; index < user->chans.size(); index++)
339 {
340 if (user->chans[index].channel == NULL)
341 {
342 return ForceChan(Ptr,user->chans[index],user,created);
343 }
344 }
345 /* XXX: If the user is an oper here, we can just extend their user->chans vector by one
346 * and put the channel in here. Same for remote users which are not bound by
347 * the channel limits. Otherwise, nope, youre boned.
348 */
349 if (user->fd < 0)
350 {
351 ucrec a;
352 chanrec* c = ForceChan(Ptr,a,user,created);
353 user->chans.push_back(a);
354 return c;
355 }
356 else if (strchr(user->modes,'o'))
357 {
358 /* Oper allows extension up to the OPERMAXCHANS value */
359 if (user->chans.size() < OPERMAXCHANS)
360 {
361 ucrec a;
362 chanrec* c = ForceChan(Ptr,a,user,created);
363 user->chans.push_back(a);
364 return c;
365 }
366 }
367 log(DEBUG,'add_channel: user channel max exceeded: %s %s',user->nick,cname);
368 WriteServ(user->fd,'405 %s %s :You are on too many channels',user->nick, cname);
369 return NULL;
370 }
.fi
.PP
.SS "\fBchanrec\fP* del_channel (\fBuserrec\fP * user, const char * cname, const char * reason, bool local)"
.PP
Definition at line 401 of file channels.cpp.
.PP
References chanlist, userrec::chans, DEBUG, DEFAULT, chanrec::DelUser(), FindChan(), FOREACH_MOD, log(), chanrec::name, userrec::nick, and WriteChannel().
.PP
Referenced by Server::PartUserFromChannel().
.PP
.nf
402 {
403 if ((!user) || (!cname))
404 {
405 log(DEFAULT,'*** BUG *** del_channel was given an invalid parameter');
406 return NULL;
407 }
408
409 chanrec* Ptr = FindChan(cname);
410
411 if (!Ptr)
412 return NULL;
413
414 FOREACH_MOD OnUserPart(user,Ptr);
415 log(DEBUG,'del_channel: removing: %s %s',user->nick,Ptr->name);
416
417 for (unsigned int i =0; i < user->chans.size(); i++)
418 {
419 /* zap it from the channel list of the user */
420 if (user->chans[i].channel == Ptr)
421 {
422 if (reason)
423 {
424 WriteChannel(Ptr,user,'PART %s :%s',Ptr->name, reason);
425 }
426 else
427 {
428 WriteChannel(Ptr,user,'PART :%s',Ptr->name);
429 }
430 user->chans[i].uc_modes = 0;
431 user->chans[i].channel = NULL;
432 log(DEBUG,'del_channel: unlinked: %s %s',user->nick,Ptr->name);
433 break;
434 }
435 }
436
437 Ptr->DelUser((char*)user);
438
439 /* if there are no users left on the channel */
440 if (!usercount(Ptr))
441 {
442 chan_hash::iterator iter = chanlist.find(Ptr->name);
443
444 log(DEBUG,'del_channel: destroying channel: %s',Ptr->name);
445
446 /* kill the record */
447 if (iter != chanlist.end())
448 {
449 log(DEBUG,'del_channel: destroyed: %s',Ptr->name);
450 delete Ptr;
451 chanlist.erase(iter);
452 }
453 }
454
455 return NULL;
456 }
.fi
.PP
.SS "\fBchanrec\fP * ForceChan (\fBchanrec\fP * Ptr, \fBucrec\fP & a, \fBuserrec\fP * user, int created)"
.PP
Definition at line 372 of file channels.cpp.
.PP
References chanrec::AddUser(), ucrec::channel, DEBUG, FOREACH_MOD, log(), chanrec::name, chanrec::setby, chanrec::topic, chanrec::topicset, ucrec::uc_modes, UCMODE_OP, WriteChannel(), and WriteServ().
.PP
Referenced by add_channel().
.PP
.nf
373 {
374 if (created == 2)
375 {
376 /* first user in is given ops */
377 a.uc_modes = UCMODE_OP;
378 }
379 else
380 {
381 a.uc_modes = 0;
382 }
383 a.channel = Ptr;
384 Ptr->AddUser((char*)user);
385 WriteChannel(Ptr,user,'JOIN :%s',Ptr->name);
386 log(DEBUG,'Sent JOIN to client');
387 if (Ptr->topicset)
388 {
389 WriteServ(user->fd,'332 %s %s :%s', user->nick, Ptr->name, Ptr->topic);
390 WriteServ(user->fd,'333 %s %s %s %lu', user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
391 }
392 userlist(user,Ptr);
393 WriteServ(user->fd,'366 %s %s :End of /NAMES list.', user->nick, Ptr->name);
394 FOREACH_MOD OnUserJoin(user,Ptr);
395 return Ptr;
396 }
.fi
.PP
.SS "void kick_channel (\fBuserrec\fP * src, \fBuserrec\fP * user, \fBchanrec\fP * Ptr, char * reason)"
.PP
Definition at line 459 of file channels.cpp.
.PP
References AC_KICK, ACR_DEFAULT, ACR_DENY, chanlist, userrec::chans, cstatus(), DEBUG, DEFAULT, chanrec::DelUser(), connection::fd, FOREACH_MOD, FOREACH_RESULT, has_channel(), is_uline(), log(), chanrec::name, userrec::nick, userrec::server, STATUS_HOP, WriteChannel(), and WriteServ().
.PP
.nf
460 {
461 if ((!src) || (!user) || (!Ptr) || (!reason))
462 {
463 log(DEFAULT,'*** BUG *** kick_channel was given an invalid parameter');
464 return;
465 }
466
467 if ((!Ptr) || (!user) || (!src))
468 {
469 return;
470 }
471
472 log(DEBUG,'kick_channel: removing: %s %s %s',user->nick,Ptr->name,src->nick);
473
474 if (!has_channel(user,Ptr))
475 {
476 WriteServ(src->fd,'441 %s %s %s :They are not on that channel',src->nick, user->nick, Ptr->name);
477 return;
478 }
479
480 int MOD_RESULT = 0;
481 FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
482 if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server)))
483 return;
484
485 if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server)))
486 {
487 if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
488 {
489 if (cstatus(src,Ptr) == STATUS_HOP)
490 {
491 WriteServ(src->fd,'482 %s %s :You must be a channel operator',src->nick, Ptr->name);
492 }
493 else
494 {
495 WriteServ(src->fd,'482 %s %s :You must be at least a half-operator to change modes on this channel',src->nick, Ptr->name);
496 }
497
498 return;
499 }
500 }
501
502 if (!is_uline(src->server))
503 {
504 MOD_RESULT = 0;
505 FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
506 if (MOD_RESULT)
507 return;
508 }
509
510 FOREACH_MOD OnUserKick(src,user,Ptr,reason);
511
512 for (unsigned int i =0; i < user->chans.size(); i++)
513 {
514 /* zap it from the channel list of the user */
515 if (user->chans[i].channel)
516 if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
517 {
518 WriteChannel(Ptr,src,'KICK %s %s :%s',Ptr->name, user->nick, reason);
519 user->chans[i].uc_modes = 0;
520 user->chans[i].channel = NULL;
521 log(DEBUG,'del_channel: unlinked: %s %s',user->nick,Ptr->name);
522 break;
523 }
524 }
525
526 Ptr->DelUser((char*)user);
527
528 /* if there are no users left on the channel */
529 if (!usercount(Ptr))
530 {
531 chan_hash::iterator iter = chanlist.find(Ptr->name);
532
533 log(DEBUG,'del_channel: destroying channel: %s',Ptr->name);
534
535 /* kill the record */
536 if (iter != chanlist.end())
537 {
538 log(DEBUG,'del_channel: destroyed: %s',Ptr->name);
539 delete Ptr;
540 chanlist.erase(iter);
541 }
542 }
543 }
.fi
.PP
.SH "Variable Documentation"
.PP
.SS "\fBchan_hash\fP \fBchanlist\fP"
.PP
Referenced by add_channel(), del_channel(), and kick_channel().
.SS "\fBServerConfig\fP* \fBConfig\fP"
.PP
.SS "std::vector<\fBModeParameter\fP> \fBcustom_mode_params\fP"
.PP
Definition at line 70 of file channels.cpp.
.PP
Referenced by chanrec::GetModeParameter(), and chanrec::SetCustomModeParam().
.SS "std::vector<\fBircd_module\fP*> factory"
.PP
.SS "int \fBMODCOUNT\fP = -1"
.PP
Definition at line 930 of file modules.cpp.
.PP
Referenced by Server::FindModule().
.SS "std::vector<\fBModule\fP*> modules"
.PP
Referenced by Server::FindModule().
.SS "time_t \fBTIME\fP"
.PP
Referenced by add_channel(), and userrec::userrec().
.SS "int \fBWHOWAS_MAX\fP"
.PP
.SS "int \fBWHOWAS_STALE\fP"
.PP
.SH "Author"
.PP
Generated automatically by Doxygen for InspIRCd from the source code.
|
