1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
20 #include "configreader.h"
27 chanrec::chanrec(InspIRCd* Instance) : ServerInstance(Instance)
29 *name = *topic = *setby = *key = 0;
30 created = topicset = limit = 0;
31 internal_userlist.clear();
33 age = ServerInstance->Time(true);
36 void chanrec::SetMode(char mode,bool mode_on)
38 modes[mode-65] = mode_on;
40 this->SetModeParam(mode,"",false);
44 void chanrec::SetModeParam(char mode,const char* parameter,bool mode_on)
46 ServerInstance->Log(DEBUG,"SetModeParam called");
48 CustomModeList::iterator n = custom_mode_params.find(mode);
52 if (n == custom_mode_params.end())
54 custom_mode_params[mode] = strdup(parameter);
55 ServerInstance->Log(DEBUG,"Custom mode parameter %c %s added",mode,parameter);
59 ServerInstance->Log(DEBUG, "Tried to set custom mode parameter for %c '%s' when it was already '%s'", mode, parameter, n->second);
64 if (n != custom_mode_params.end())
67 custom_mode_params.erase(n);
72 bool chanrec::IsModeSet(char mode)
74 return modes[mode-65];
77 std::string chanrec::GetModeParameter(char mode)
85 return ConvToStr(this->limit);
89 CustomModeList::iterator n = custom_mode_params.find(mode);
90 if (n != custom_mode_params.end())
98 long chanrec::GetUserCounter()
100 return (this->internal_userlist.size());
103 void chanrec::AddUser(userrec* user)
105 internal_userlist[user] = user;
108 unsigned long chanrec::DelUser(userrec* user)
110 CUListIter a = internal_userlist.find(user);
112 if (a != internal_userlist.end())
114 internal_userlist.erase(a);
115 /* And tidy any others... */
117 DelHalfoppedUser(user);
121 return internal_userlist.size();
124 bool chanrec::HasUser(userrec* user)
126 return (internal_userlist.find(user) != internal_userlist.end());
129 void chanrec::AddOppedUser(userrec* user)
131 internal_op_userlist[user] = user;
134 void chanrec::DelOppedUser(userrec* user)
136 CUListIter a = internal_op_userlist.find(user);
137 if (a != internal_op_userlist.end())
139 internal_op_userlist.erase(a);
144 void chanrec::AddHalfoppedUser(userrec* user)
146 internal_halfop_userlist[user] = user;
149 void chanrec::DelHalfoppedUser(userrec* user)
151 CUListIter a = internal_halfop_userlist.find(user);
153 if (a != internal_halfop_userlist.end())
155 internal_halfop_userlist.erase(a);
159 void chanrec::AddVoicedUser(userrec* user)
161 internal_voice_userlist[user] = user;
164 void chanrec::DelVoicedUser(userrec* user)
166 CUListIter a = internal_voice_userlist.find(user);
168 if (a != internal_voice_userlist.end())
170 internal_voice_userlist.erase(a);
174 CUList* chanrec::GetUsers()
176 return &internal_userlist;
179 CUList* chanrec::GetOppedUsers()
181 return &internal_op_userlist;
184 CUList* chanrec::GetHalfoppedUsers()
186 return &internal_halfop_userlist;
189 CUList* chanrec::GetVoicedUsers()
191 return &internal_voice_userlist;
195 * add a channel to a user, creating the record for it if needed and linking
196 * it to the user record
198 chanrec* chanrec::JoinUser(InspIRCd* Instance, userrec *user, const char* cn, bool override, const char* key)
203 bool new_channel = false;
206 strlcpy(cname,cn,CHANMAX);
210 chanrec* Ptr = Instance->FindChan(cname);
219 FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs));
224 /* create a new one */
225 Ptr = new chanrec(Instance);
226 Instance->chanlist[cname] = Ptr;
228 strlcpy(Ptr->name, cname,CHANMAX);
229 Ptr->modes[CM_TOPICLOCK] = Ptr->modes[CM_NOEXTERNAL] = 1;
230 Ptr->created = Instance->Time();
234 Instance->Log(DEBUG,"chanrec::JoinUser(): created: %s",cname);
239 /* Already on the channel */
240 if (Ptr->HasUser(user))
244 * remote users are allowed us to bypass channel modes
245 * and bans (used by servers)
247 if (IS_LOCAL(user)) /* was a check on fd > -1 */
250 FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs));
255 else if (MOD_RESULT == 0)
260 FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
263 if ((!key) || strcmp(key,Ptr->key))
265 user->WriteServ("475 %s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name);
270 if (Ptr->modes[CM_INVITEONLY])
273 irc::string xname(Ptr->name);
274 FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));
277 if (user->IsInvited(xname))
279 /* user was invited to channel */
280 /* there may be an optional channel NOTICE here */
284 user->WriteServ("473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
288 user->RemoveInvite(xname);
293 FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr));
296 if (Ptr->GetUserCounter() >= Ptr->limit)
298 user->WriteServ("471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
303 if (Ptr->bans.size())
305 if (Ptr->IsBanned(user))
307 user->WriteServ("474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
315 Instance->Log(DEBUG,"chanrec::JoinUser(): Overridden checks");
319 for (UserChanList::const_iterator index = user->chans.begin(); index != user->chans.end(); index++)
321 if ((*index)->channel == NULL)
323 return chanrec::ForceChan(Instance, Ptr, *index, user, privs);
328 * XXX: If the user is an oper here, we can just extend their user->chans vector by one
329 * and put the channel in here. Same for remote users which are not bound by
330 * the channel limits. Otherwise, nope, youre boned.
332 if (!IS_LOCAL(user)) /* was a check on fd < 0 */
334 ucrec* a = new ucrec();
335 chanrec* c = chanrec::ForceChan(Instance, Ptr, a, user, privs);
336 user->chans.push_back(a);
339 else if (*user->oper)
341 /* Oper allows extension up to the OPERMAXCHANS value */
342 if (user->chans.size() < OPERMAXCHANS)
344 ucrec* a = new ucrec();
345 chanrec* c = chanrec::ForceChan(Instance, Ptr, a, user, privs);
346 user->chans.push_back(a);
351 user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname);
355 Instance->Log(DEBUG,"BLAMMO, Whacking channel.");
356 /* Things went seriously pear shaped, so take this away. bwahaha. */
357 chan_hash::iterator n = Instance->chanlist.find(cname);
358 if (n != Instance->chanlist.end())
362 Instance->chanlist.erase(n);
363 for (unsigned int index =0; index < user->chans.size(); index++)
365 if (user->chans[index]->channel == Ptr)
367 user->chans[index]->channel = NULL;
368 user->chans[index]->uc_modes = 0;
375 for (unsigned int index =0; index < user->chans.size(); index++)
377 if (user->chans[index]->channel == Ptr)
379 user->chans[index]->channel = NULL;
380 user->chans[index]->uc_modes = 0;
387 chanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr,ucrec *a,userrec* user, const std::string &privs)
389 userrec* dummyuser = new userrec(Instance);
390 std::string nick = user->nick;
393 dummyuser->SetFd(FD_MAGIC_NUMBER);
397 user->ModChannelCount(1);
399 for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)
401 const char status = *x;
402 ModeHandler* mh = Instance->Modes->FindPrefix(status);
405 Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true);
406 /* Make sure that the mode handler knows this mode was now set */
407 mh->OnModeChange(dummyuser, dummyuser, Ptr, nick, true);
413 Ptr->WriteChannel(user,"JOIN :%s",Ptr->name);
415 /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */
416 std::string ms = Instance->Modes->ModeString(user, Ptr);
417 if ((Ptr->GetUserCounter() > 1) && (ms.length()))
418 Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name, ms.c_str());
420 /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */
425 user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
426 user->WriteServ("333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
430 FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user,Ptr));
431 FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user,Ptr));
435 bool chanrec::IsBanned(userrec* user)
439 FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));
442 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
443 for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
445 /* This allows CIDR ban matching
447 * Full masked host Full unmasked host IP with/without CIDR
449 if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))
459 * remove a channel from a users record, and return the number of users left.
460 * Therefore, if this function returns 0 the caller should delete the chanrec.
462 long chanrec::PartUser(userrec *user, const char* reason)
465 return this->GetUserCounter();
467 for (unsigned int i =0; i < user->chans.size(); i++)
469 /* zap it from the channel list of the user */
470 if (user->chans[i]->channel == this)
472 FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : ""));
473 this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");
474 user->chans[i]->uc_modes = 0;
475 user->chans[i]->channel = NULL;
476 user->ModChannelCount(-1);
477 this->RemoveAllPrefixes(user);
482 if (!this->DelUser(user)) /* if there are no users left on the channel... */
484 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
485 /* kill the record */
486 if (iter != ServerInstance->chanlist.end())
488 ServerInstance->Log(DEBUG,"del_channel: destroyed: %s", this->name);
489 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
490 ServerInstance->chanlist.erase(iter);
495 return this->GetUserCounter();
498 long chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents)
500 if (!user || !reason)
501 return this->GetUserCounter();
505 if (!this->HasUser(user))
508 return this->GetUserCounter();
514 FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,this,reason));
517 for (unsigned int i =0; i < user->chans.size(); i++)
519 if (user->chans[i]->channel == this)
521 this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason);
522 user->chans[i]->uc_modes = 0;
523 user->chans[i]->channel = NULL;
524 this->RemoveAllPrefixes(user);
529 if (!this->DelUser(user))
531 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
532 /* kill the record */
533 if (iter != ServerInstance->chanlist.end())
535 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
536 ServerInstance->chanlist.erase(iter);
541 return this->GetUserCounter();
544 long chanrec::KickUser(userrec *src, userrec *user, const char* reason)
546 if (!src || !user || !reason)
547 return this->GetUserCounter();
551 if (!this->HasUser(user))
553 src->WriteServ("441 %s %s %s :They are not on that channel",src->nick, user->nick, this->name);
554 return this->GetUserCounter();
556 if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
558 src->WriteServ("482 %s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);
559 return this->GetUserCounter();
563 if (!ServerInstance->ULine(src->server))
566 FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));
568 return this->GetUserCounter();
570 /* Set to -1 by OnUserPreKick if explicit allow was set */
571 if (MOD_RESULT != -1)
573 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));
574 if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))
575 return this->GetUserCounter();
577 if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))
579 int them = this->GetStatus(src);
580 int us = this->GetStatus(user);
581 if ((them < STATUS_HOP) || (them < us))
583 src->WriteServ("482 %s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");
584 return this->GetUserCounter();
590 FOREACH_MOD(I_OnUserKick,OnUserKick(src,user,this,reason));
592 for (UserChanList::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
594 /* zap it from the channel list of the user */
595 if ((*i)->channel == this)
597 this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);
599 (*i)->channel = NULL;
600 this->RemoveAllPrefixes(user);
605 if (!this->DelUser(user))
606 /* if there are no users left on the channel */
608 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
610 /* kill the record */
611 if (iter != ServerInstance->chanlist.end())
613 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
614 ServerInstance->chanlist.erase(iter);
619 return this->GetUserCounter();
622 void chanrec::WriteChannel(userrec* user, char* text, ...)
624 char textbuffer[MAXBUF];
630 va_start(argsPtr, text);
631 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
634 this->WriteChannel(user, std::string(textbuffer));
637 void chanrec::WriteChannel(userrec* user, const std::string &text)
639 CUList *ulist = this->GetUsers();
644 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
646 if (IS_LOCAL(i->second))
647 user->WriteTo(i->second,text);
651 void chanrec::WriteChannelWithServ(const char* ServName, const char* text, ...)
653 char textbuffer[MAXBUF];
659 va_start(argsPtr, text);
660 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
663 this->WriteChannelWithServ(ServName, std::string(textbuffer));
666 void chanrec::WriteChannelWithServ(const char* ServName, const std::string &text)
668 CUList *ulist = this->GetUsers();
670 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
672 if (IS_LOCAL(i->second))
673 i->second->WriteServ(text);
677 /* write formatted text from a source user to all users on a channel except
678 * for the sender (for privmsg etc) */
679 void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...)
681 char textbuffer[MAXBUF];
687 va_start(argsPtr, text);
688 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
691 this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));
694 void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text)
701 ulist = this->GetOppedUsers();
704 ulist = this->GetHalfoppedUsers();
707 ulist = this->GetVoicedUsers();
710 ulist = this->GetUsers();
714 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
716 if ((IS_LOCAL(i->second)) && (user != i->second))
719 i->second->WriteServ(text);
721 i->second->WriteFrom(user,text);
727 * return a count of the users on a specific channel accounting for
728 * invisible users who won't increase the count. e.g. for /LIST
730 int chanrec::CountInvisible()
733 CUList *ulist= this->GetUsers();
734 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
736 if (!(i->second->modes[UM_INVISIBLE]))
743 char* chanrec::ChanModes(bool showkey)
745 static char scratch[MAXBUF];
746 static char sparam[MAXBUF];
747 char* offset = scratch;
748 std::string extparam = "";
753 /* This was still iterating up to 190, chanrec::modes is only 64 elements -- Om */
754 for(int n = 0; n < 64; n++)
763 extparam = (showkey ? this->key : "<key>");
766 extparam = ConvToStr(this->limit);
774 /* We know these have no parameters */
777 extparam = this->GetModeParameter(n + 65);
782 charlcat(sparam,' ',MAXBUF);
783 strlcat(sparam,extparam.c_str(),MAXBUF);
788 /* Null terminate scratch */
790 strlcat(scratch,sparam,MAXBUF);
794 /* compile a userlist of a channel into a string, each nick seperated by
795 * spaces and op, voice etc status shown as @ and +, and send it to 'user'
797 void chanrec::UserList(userrec *user)
806 FOREACH_RESULT(I_OnUserList,OnUserList(user, this));
807 ServerInstance->Log(DEBUG,"MOD_RESULT for UserList = %d",MOD_RESULT);
811 ServerInstance->Log(DEBUG,"Using builtin NAMES list generation");
813 dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
816 char* ptr = list + dlen;
818 CUList *ulist= this->GetUsers();
820 /* Improvement by Brain - this doesnt change in value, so why was it inside
823 bool has_user = this->HasUser(user);
825 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
827 if ((!has_user) && (i->second->modes[UM_INVISIBLE]))
830 * user is +i, and source not on the channel, does not show
836 size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->second), i->second->nick);
843 if (curlen > (480-NICKMAX))
845 /* list overflowed into multiple numerics */
846 user->WriteServ(std::string(list));
848 /* reset our lengths */
849 dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
857 /* if whats left in the list isnt empty, send it */
860 user->WriteServ(std::string(list));
863 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name);
866 long chanrec::GetMaxBans()
868 for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)
870 if (match(this->name,n->first.c_str()))
879 /* returns the status character for a given user on a channel, e.g. @ for op,
880 * % for halfop etc. If the user has several modes set, the highest mode
881 * the user has must be returned.
883 const char* chanrec::GetPrefixChar(userrec *user)
885 static char pf[2] = {0, 0};
887 prefixlist::iterator n = prefixes.find(user);
888 if (n != prefixes.end())
890 if (n->second.size())
892 /* If the user has any prefixes, their highest prefix
893 * will always be at the head of the list, as the list is
894 * sorted in rank order highest first (see SetPrefix()
897 *pf = n->second.begin()->first;
906 const char* chanrec::GetAllPrefixChars(userrec* user)
908 static char prefix[MAXBUF];
912 prefixlist::iterator n = prefixes.find(user);
913 if (n != prefixes.end())
915 for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)
917 prefix[ctr++] = x->first;
926 unsigned int chanrec::GetPrefixValue(userrec* user)
928 prefixlist::iterator n = prefixes.find(user);
929 if (n != prefixes.end())
931 if (n->second.size())
932 return n->second.begin()->second;
938 int chanrec::GetStatusFlags(userrec *user)
940 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
942 if ((*i)->channel == this)
944 return (*i)->uc_modes;
951 int chanrec::GetStatus(userrec *user)
953 if (ServerInstance->ULine(user->server))
956 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
958 if ((*i)->channel == this)
960 if (((*i)->uc_modes & UCMODE_OP) > 0)
964 if (((*i)->uc_modes & UCMODE_HOP) > 0)
968 if (((*i)->uc_modes & UCMODE_VOICE) > 0)
972 return STATUS_NORMAL;
975 return STATUS_NORMAL;
978 void chanrec::SetPrefix(userrec* user, char prefix, unsigned int prefix_value, bool adding)
980 prefixlist::iterator n = prefixes.find(user);
981 prefixtype pfx = std::make_pair(prefix,prefix_value);
984 if (n != prefixes.end())
986 if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())
988 n->second.push_back(pfx);
989 /* We must keep prefixes in rank order, largest first.
990 * This is for two reasons, firstly because x-chat *ass-u-me's* this
991 * state, and secondly it turns out to be a benefit to us later.
992 * See above in GetPrefix().
994 std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);
1001 prefixes.insert(std::make_pair<userrec*,pfxcontainer>(user, one));
1006 if (n != prefixes.end())
1008 pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);
1009 if (x != n->second.end())
1013 ServerInstance->Log(DEBUG,"Added prefix %c to %s for %s, prefixlist size is now %d", prefix, this->name, user->nick, prefixes.size());
1016 void chanrec::RemoveAllPrefixes(userrec* user)
1018 prefixlist::iterator n = prefixes.find(user);
1019 if (n != prefixes.end())
1021 ServerInstance->Log(DEBUG,"Removed prefixes from %s for %s, prefixlist size is now %d", this->name, user->nick, prefixes.size());