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();
35 void chanrec::SetMode(char mode,bool mode_on)
37 modes[mode-65] = mode_on;
39 this->SetModeParam(mode,"",false);
43 void chanrec::SetModeParam(char mode,const char* parameter,bool mode_on)
45 ServerInstance->Log(DEBUG,"SetModeParam called");
47 CustomModeList::iterator n = custom_mode_params.find(mode);
51 if (n == custom_mode_params.end())
53 custom_mode_params[mode] = strdup(parameter);
54 ServerInstance->Log(DEBUG,"Custom mode parameter %c %s added",mode,parameter);
58 ServerInstance->Log(DEBUG, "Tried to set custom mode parameter for %c '%s' when it was already '%s'", mode, parameter, n->second);
63 if (n != custom_mode_params.end())
66 custom_mode_params.erase(n);
71 bool chanrec::IsModeSet(char mode)
73 return modes[mode-65];
76 std::string chanrec::GetModeParameter(char mode)
84 return ConvToStr(this->limit);
88 CustomModeList::iterator n = custom_mode_params.find(mode);
89 if (n != custom_mode_params.end())
97 long chanrec::GetUserCounter()
99 return (this->internal_userlist.size());
102 void chanrec::AddUser(userrec* user)
104 internal_userlist[user] = user;
107 unsigned long chanrec::DelUser(userrec* user)
109 CUListIter a = internal_userlist.find(user);
111 if (a != internal_userlist.end())
113 internal_userlist.erase(a);
114 /* And tidy any others... */
116 DelHalfoppedUser(user);
120 return internal_userlist.size();
123 bool chanrec::HasUser(userrec* user)
125 return (internal_userlist.find(user) != internal_userlist.end());
128 void chanrec::AddOppedUser(userrec* user)
130 internal_op_userlist[user] = user;
133 void chanrec::DelOppedUser(userrec* user)
135 CUListIter a = internal_op_userlist.find(user);
136 if (a != internal_op_userlist.end())
138 internal_op_userlist.erase(a);
143 void chanrec::AddHalfoppedUser(userrec* user)
145 internal_halfop_userlist[user] = user;
148 void chanrec::DelHalfoppedUser(userrec* user)
150 CUListIter a = internal_halfop_userlist.find(user);
152 if (a != internal_halfop_userlist.end())
154 internal_halfop_userlist.erase(a);
158 void chanrec::AddVoicedUser(userrec* user)
160 internal_voice_userlist[user] = user;
163 void chanrec::DelVoicedUser(userrec* user)
165 CUListIter a = internal_voice_userlist.find(user);
167 if (a != internal_voice_userlist.end())
169 internal_voice_userlist.erase(a);
173 CUList* chanrec::GetUsers()
175 return &internal_userlist;
178 CUList* chanrec::GetOppedUsers()
180 return &internal_op_userlist;
183 CUList* chanrec::GetHalfoppedUsers()
185 return &internal_halfop_userlist;
188 CUList* chanrec::GetVoicedUsers()
190 return &internal_voice_userlist;
194 * add a channel to a user, creating the record for it if needed and linking
195 * it to the user record
197 chanrec* chanrec::JoinUser(InspIRCd* Instance, userrec *user, const char* cn, bool override, const char* key)
202 bool new_channel = false;
205 strlcpy(cname,cn,CHANMAX);
209 chanrec* Ptr = Instance->FindChan(cname);
218 FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname,privs));
223 /* create a new one */
224 Ptr = new chanrec(Instance);
225 Instance->chanlist[cname] = Ptr;
227 strlcpy(Ptr->name, cname,CHANMAX);
228 Ptr->modes[CM_TOPICLOCK] = Ptr->modes[CM_NOEXTERNAL] = 1;
229 Ptr->created = Instance->Time();
233 Instance->Log(DEBUG,"chanrec::JoinUser(): created: %s",cname);
238 /* Already on the channel */
239 if (Ptr->HasUser(user))
243 * remote users are allowed us to bypass channel modes
244 * and bans (used by servers)
246 if (IS_LOCAL(user)) /* was a check on fd > -1 */
249 FOREACH_RESULT_I(Instance,I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname,privs));
254 else if (MOD_RESULT == 0)
259 FOREACH_RESULT_I(Instance,I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
262 if ((!key) || strcmp(key,Ptr->key))
264 user->WriteServ("475 %s %s :Cannot join channel (Incorrect channel key)",user->nick, Ptr->name);
269 if (Ptr->modes[CM_INVITEONLY])
272 irc::string xname(Ptr->name);
273 FOREACH_RESULT_I(Instance,I_OnCheckInvite,OnCheckInvite(user, Ptr));
276 if (user->IsInvited(xname))
278 /* user was invited to channel */
279 /* there may be an optional channel NOTICE here */
283 user->WriteServ("473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
287 user->RemoveInvite(xname);
292 FOREACH_RESULT_I(Instance,I_OnCheckLimit,OnCheckLimit(user, Ptr));
295 if (Ptr->GetUserCounter() >= Ptr->limit)
297 user->WriteServ("471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
302 if (Ptr->bans.size())
304 if (Ptr->IsBanned(user))
306 user->WriteServ("474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
314 Instance->Log(DEBUG,"chanrec::JoinUser(): Overridden checks");
318 for (UserChanList::const_iterator index = user->chans.begin(); index != user->chans.end(); index++)
320 if ((*index)->channel == NULL)
322 return chanrec::ForceChan(Instance, Ptr, *index, user, privs);
327 * XXX: If the user is an oper here, we can just extend their user->chans vector by one
328 * and put the channel in here. Same for remote users which are not bound by
329 * the channel limits. Otherwise, nope, youre boned.
331 if (!IS_LOCAL(user)) /* was a check on fd < 0 */
333 ucrec* a = new ucrec();
334 chanrec* c = chanrec::ForceChan(Instance, Ptr, a, user, privs);
335 user->chans.push_back(a);
338 else if (*user->oper)
340 /* Oper allows extension up to the OPERMAXCHANS value */
341 if (user->chans.size() < OPERMAXCHANS)
343 ucrec* a = new ucrec();
344 chanrec* c = chanrec::ForceChan(Instance, Ptr, a, user, privs);
345 user->chans.push_back(a);
350 user->WriteServ("405 %s %s :You are on too many channels",user->nick, cname);
354 Instance->Log(DEBUG,"BLAMMO, Whacking channel.");
355 /* Things went seriously pear shaped, so take this away. bwahaha. */
356 chan_hash::iterator n = Instance->chanlist.find(cname);
357 if (n != Instance->chanlist.end())
361 Instance->chanlist.erase(n);
362 for (unsigned int index =0; index < user->chans.size(); index++)
364 if (user->chans[index]->channel == Ptr)
366 user->chans[index]->channel = NULL;
367 user->chans[index]->uc_modes = 0;
374 for (unsigned int index =0; index < user->chans.size(); index++)
376 if (user->chans[index]->channel == Ptr)
378 user->chans[index]->channel = NULL;
379 user->chans[index]->uc_modes = 0;
386 chanrec* chanrec::ForceChan(InspIRCd* Instance, chanrec* Ptr,ucrec *a,userrec* user, const std::string &privs)
388 userrec* dummyuser = new userrec(Instance);
389 std::string nick = user->nick;
392 dummyuser->SetFd(FD_MAGIC_NUMBER);
396 user->ModChannelCount(1);
398 for (std::string::const_iterator x = privs.begin(); x != privs.end(); x++)
400 const char status = *x;
401 ModeHandler* mh = Instance->Modes->FindPrefix(status);
404 Ptr->SetPrefix(user, status, mh->GetPrefixRank(), true);
405 /* Make sure that the mode handler knows this mode was now set */
406 mh->OnModeChange(dummyuser, dummyuser, Ptr, nick, true);
412 Ptr->WriteChannel(user,"JOIN :%s",Ptr->name);
414 /* Theyre not the first ones in here, make sure everyone else sees the modes we gave the user */
415 std::string ms = Instance->Modes->ModeString(user, Ptr);
416 if ((Ptr->GetUserCounter() > 1) && (ms.length()))
417 Ptr->WriteAllExceptSender(user, true, 0, "MODE %s +%s", Ptr->name, ms.c_str());
419 /* Major improvement by Brain - we dont need to be calculating all this pointlessly for remote users */
424 user->WriteServ("332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
425 user->WriteServ("333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
429 FOREACH_MOD_I(Instance,I_OnUserJoin,OnUserJoin(user,Ptr));
433 bool chanrec::IsBanned(userrec* user)
437 FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));
440 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
441 for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
443 /* This allows CIDR ban matching
445 * Full masked host Full unmasked host IP with/without CIDR
447 if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))
457 * remove a channel from a users record, and return the number of users left.
458 * Therefore, if this function returns 0 the caller should delete the chanrec.
460 long chanrec::PartUser(userrec *user, const char* reason)
463 return this->GetUserCounter();
465 for (unsigned int i =0; i < user->chans.size(); i++)
467 /* zap it from the channel list of the user */
468 if (user->chans[i]->channel == this)
470 FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : ""));
471 this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");
472 user->chans[i]->uc_modes = 0;
473 user->chans[i]->channel = NULL;
474 user->ModChannelCount(-1);
475 this->RemoveAllPrefixes(user);
480 if (!this->DelUser(user)) /* if there are no users left on the channel... */
482 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
483 /* kill the record */
484 if (iter != ServerInstance->chanlist.end())
486 ServerInstance->Log(DEBUG,"del_channel: destroyed: %s", this->name);
487 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
488 ServerInstance->chanlist.erase(iter);
493 return this->GetUserCounter();
496 long chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents)
498 if (!user || !reason)
499 return this->GetUserCounter();
503 if (!this->HasUser(user))
506 return this->GetUserCounter();
512 FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,this,reason));
515 for (unsigned int i =0; i < user->chans.size(); i++)
517 if (user->chans[i]->channel == this)
519 this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason);
520 user->chans[i]->uc_modes = 0;
521 user->chans[i]->channel = NULL;
522 this->RemoveAllPrefixes(user);
527 if (!this->DelUser(user))
529 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
530 /* kill the record */
531 if (iter != ServerInstance->chanlist.end())
533 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
534 ServerInstance->chanlist.erase(iter);
539 return this->GetUserCounter();
542 long chanrec::KickUser(userrec *src, userrec *user, const char* reason)
544 if (!src || !user || !reason)
545 return this->GetUserCounter();
549 if (!this->HasUser(user))
551 src->WriteServ("441 %s %s %s :They are not on that channel",src->nick, user->nick, this->name);
552 return this->GetUserCounter();
554 if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
556 src->WriteServ("482 %s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);
557 return this->GetUserCounter();
561 if (!ServerInstance->ULine(src->server))
564 FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));
566 return this->GetUserCounter();
568 /* Set to -1 by OnUserPreKick if explicit allow was set */
569 if (MOD_RESULT != -1)
571 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));
572 if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))
573 return this->GetUserCounter();
575 if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))
577 int them = this->GetStatus(src);
578 int us = this->GetStatus(user);
579 if ((them < STATUS_HOP) || (them < us))
581 src->WriteServ("482 %s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");
582 return this->GetUserCounter();
588 FOREACH_MOD(I_OnUserKick,OnUserKick(src,user,this,reason));
590 for (UserChanList::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
592 /* zap it from the channel list of the user */
593 if ((*i)->channel == this)
595 this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);
597 (*i)->channel = NULL;
598 this->RemoveAllPrefixes(user);
603 if (!this->DelUser(user))
604 /* if there are no users left on the channel */
606 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
608 /* kill the record */
609 if (iter != ServerInstance->chanlist.end())
611 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
612 ServerInstance->chanlist.erase(iter);
617 return this->GetUserCounter();
620 void chanrec::WriteChannel(userrec* user, char* text, ...)
622 char textbuffer[MAXBUF];
628 va_start(argsPtr, text);
629 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
632 this->WriteChannel(user, std::string(textbuffer));
635 void chanrec::WriteChannel(userrec* user, const std::string &text)
637 CUList *ulist = this->GetUsers();
642 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
644 if (IS_LOCAL(i->second))
645 user->WriteTo(i->second,text);
649 void chanrec::WriteChannelWithServ(const char* ServName, const char* text, ...)
651 char textbuffer[MAXBUF];
657 va_start(argsPtr, text);
658 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
661 this->WriteChannelWithServ(ServName, std::string(textbuffer));
664 void chanrec::WriteChannelWithServ(const char* ServName, const std::string &text)
666 CUList *ulist = this->GetUsers();
668 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
670 if (IS_LOCAL(i->second))
671 i->second->WriteServ(text);
675 /* write formatted text from a source user to all users on a channel except
676 * for the sender (for privmsg etc) */
677 void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...)
679 char textbuffer[MAXBUF];
685 va_start(argsPtr, text);
686 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
689 this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));
692 void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text)
699 ulist = this->GetOppedUsers();
702 ulist = this->GetHalfoppedUsers();
705 ulist = this->GetVoicedUsers();
708 ulist = this->GetUsers();
712 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
714 if ((IS_LOCAL(i->second)) && (user != i->second))
717 i->second->WriteServ(text);
719 i->second->WriteFrom(user,text);
725 * return a count of the users on a specific channel accounting for
726 * invisible users who won't increase the count. e.g. for /LIST
728 int chanrec::CountInvisible()
731 CUList *ulist= this->GetUsers();
732 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
734 if (!(i->second->modes[UM_INVISIBLE]))
741 char* chanrec::ChanModes(bool showkey)
743 static char scratch[MAXBUF];
744 static char sparam[MAXBUF];
745 char* offset = scratch;
746 std::string extparam = "";
751 /* This was still iterating up to 190, chanrec::modes is only 64 elements -- Om */
752 for(int n = 0; n < 64; n++)
761 extparam = (showkey ? this->key : "<key>");
764 extparam = ConvToStr(this->limit);
772 /* We know these have no parameters */
775 extparam = this->GetModeParameter(n + 65);
780 charlcat(sparam,' ',MAXBUF);
781 strlcat(sparam,extparam.c_str(),MAXBUF);
786 /* Null terminate scratch */
788 strlcat(scratch,sparam,MAXBUF);
792 /* compile a userlist of a channel into a string, each nick seperated by
793 * spaces and op, voice etc status shown as @ and +, and send it to 'user'
795 void chanrec::UserList(userrec *user)
804 FOREACH_RESULT(I_OnUserList,OnUserList(user, this));
805 ServerInstance->Log(DEBUG,"MOD_RESULT for UserList = %d",MOD_RESULT);
809 ServerInstance->Log(DEBUG,"Using builtin NAMES list generation");
811 dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
814 char* ptr = list + dlen;
816 CUList *ulist= this->GetUsers();
818 /* Improvement by Brain - this doesnt change in value, so why was it inside
821 bool has_user = this->HasUser(user);
823 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
825 if ((!has_user) && (i->second->modes[UM_INVISIBLE]))
828 * user is +i, and source not on the channel, does not show
834 size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->second), i->second->nick);
841 if (curlen > (480-NICKMAX))
843 /* list overflowed into multiple numerics */
844 user->WriteServ(std::string(list));
846 /* reset our lengths */
847 dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
855 /* if whats left in the list isnt empty, send it */
858 user->WriteServ(std::string(list));
861 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name);
864 long chanrec::GetMaxBans()
866 for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)
868 if (match(this->name,n->first.c_str()))
877 /* returns the status character for a given user on a channel, e.g. @ for op,
878 * % for halfop etc. If the user has several modes set, the highest mode
879 * the user has must be returned.
881 const char* chanrec::GetPrefixChar(userrec *user)
883 static char pf[2] = {0, 0};
885 prefixlist::iterator n = prefixes.find(user);
886 if (n != prefixes.end())
888 if (n->second.size())
890 /* If the user has any prefixes, their highest prefix
891 * will always be at the head of the list, as the list is
892 * sorted in rank order highest first (see SetPrefix()
895 *pf = n->second.begin()->first;
904 const char* chanrec::GetAllPrefixChars(userrec* user)
906 static char prefix[MAXBUF];
910 prefixlist::iterator n = prefixes.find(user);
911 if (n != prefixes.end())
913 for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)
915 prefix[ctr++] = x->first;
924 unsigned int chanrec::GetPrefixValue(userrec* user)
926 prefixlist::iterator n = prefixes.find(user);
927 if (n != prefixes.end())
929 if (n->second.size())
930 return n->second.begin()->second;
936 int chanrec::GetStatusFlags(userrec *user)
938 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
940 if ((*i)->channel == this)
942 return (*i)->uc_modes;
949 int chanrec::GetStatus(userrec *user)
951 if (ServerInstance->ULine(user->server))
954 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
956 if ((*i)->channel == this)
958 if (((*i)->uc_modes & UCMODE_OP) > 0)
962 if (((*i)->uc_modes & UCMODE_HOP) > 0)
966 if (((*i)->uc_modes & UCMODE_VOICE) > 0)
970 return STATUS_NORMAL;
973 return STATUS_NORMAL;
976 void chanrec::SetPrefix(userrec* user, char prefix, unsigned int prefix_value, bool adding)
978 prefixlist::iterator n = prefixes.find(user);
979 prefixtype pfx = std::make_pair(prefix,prefix_value);
982 if (n != prefixes.end())
984 if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())
986 n->second.push_back(pfx);
987 /* We must keep prefixes in rank order, largest first.
988 * This is for two reasons, firstly because x-chat *ass-u-me's* this
989 * state, and secondly it turns out to be a benefit to us later.
990 * See above in GetPrefix().
992 std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);
999 prefixes.insert(std::make_pair<userrec*,pfxcontainer>(user, one));
1004 if (n != prefixes.end())
1006 pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);
1007 if (x != n->second.end())
1013 void chanrec::RemoveAllPrefixes(userrec* user)
1015 prefixlist::iterator n = prefixes.find(user);
1016 if (n != prefixes.end())