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));
430 FOREACH_MOD_I(Instance,I_OnPostJoin,OnPostJoin(user,Ptr));
434 bool chanrec::IsBanned(userrec* user)
438 FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, this));
441 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
442 for (BanList::iterator i = this->bans.begin(); i != this->bans.end(); i++)
444 /* This allows CIDR ban matching
446 * Full masked host Full unmasked host IP with/without CIDR
448 if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match(mask, i->data, true)))
458 * remove a channel from a users record, and return the number of users left.
459 * Therefore, if this function returns 0 the caller should delete the chanrec.
461 long chanrec::PartUser(userrec *user, const char* reason)
464 return this->GetUserCounter();
466 for (unsigned int i =0; i < user->chans.size(); i++)
468 /* zap it from the channel list of the user */
469 if (user->chans[i]->channel == this)
471 FOREACH_MOD(I_OnUserPart,OnUserPart(user, this, reason ? reason : ""));
472 this->WriteChannel(user, "PART %s%s%s", this->name, reason ? " :" : "", reason ? reason : "");
473 user->chans[i]->uc_modes = 0;
474 user->chans[i]->channel = NULL;
475 user->ModChannelCount(-1);
476 this->RemoveAllPrefixes(user);
481 if (!this->DelUser(user)) /* if there are no users left on the channel... */
483 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
484 /* kill the record */
485 if (iter != ServerInstance->chanlist.end())
487 ServerInstance->Log(DEBUG,"del_channel: destroyed: %s", this->name);
488 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
489 ServerInstance->chanlist.erase(iter);
494 return this->GetUserCounter();
497 long chanrec::ServerKickUser(userrec* user, const char* reason, bool triggerevents)
499 if (!user || !reason)
500 return this->GetUserCounter();
504 if (!this->HasUser(user))
507 return this->GetUserCounter();
513 FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,this,reason));
516 for (unsigned int i =0; i < user->chans.size(); i++)
518 if (user->chans[i]->channel == this)
520 this->WriteChannelWithServ(ServerInstance->Config->ServerName, "KICK %s %s :%s", this->name, user->nick, reason);
521 user->chans[i]->uc_modes = 0;
522 user->chans[i]->channel = NULL;
523 this->RemoveAllPrefixes(user);
528 if (!this->DelUser(user))
530 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
531 /* kill the record */
532 if (iter != ServerInstance->chanlist.end())
534 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
535 ServerInstance->chanlist.erase(iter);
540 return this->GetUserCounter();
543 long chanrec::KickUser(userrec *src, userrec *user, const char* reason)
545 if (!src || !user || !reason)
546 return this->GetUserCounter();
550 if (!this->HasUser(user))
552 src->WriteServ("441 %s %s %s :They are not on that channel",src->nick, user->nick, this->name);
553 return this->GetUserCounter();
555 if ((ServerInstance->ULine(user->server)) && (!ServerInstance->ULine(src->server)))
557 src->WriteServ("482 %s %s :Only a u-line may kick a u-line from a channel.",src->nick, this->name);
558 return this->GetUserCounter();
562 if (!ServerInstance->ULine(src->server))
565 FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,this,reason));
567 return this->GetUserCounter();
569 /* Set to -1 by OnUserPreKick if explicit allow was set */
570 if (MOD_RESULT != -1)
572 FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,this,AC_KICK));
573 if ((MOD_RESULT == ACR_DENY) && (!ServerInstance->ULine(src->server)))
574 return this->GetUserCounter();
576 if ((MOD_RESULT == ACR_DEFAULT) || (!ServerInstance->ULine(src->server)))
578 int them = this->GetStatus(src);
579 int us = this->GetStatus(user);
580 if ((them < STATUS_HOP) || (them < us))
582 src->WriteServ("482 %s %s :You must be a channel %soperator",src->nick, this->name, them == STATUS_HOP ? "" : "half-");
583 return this->GetUserCounter();
589 FOREACH_MOD(I_OnUserKick,OnUserKick(src,user,this,reason));
591 for (UserChanList::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
593 /* zap it from the channel list of the user */
594 if ((*i)->channel == this)
596 this->WriteChannel(src, "KICK %s %s :%s", this->name, user->nick, reason);
598 (*i)->channel = NULL;
599 this->RemoveAllPrefixes(user);
604 if (!this->DelUser(user))
605 /* if there are no users left on the channel */
607 chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
609 /* kill the record */
610 if (iter != ServerInstance->chanlist.end())
612 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(this));
613 ServerInstance->chanlist.erase(iter);
618 return this->GetUserCounter();
621 void chanrec::WriteChannel(userrec* user, char* text, ...)
623 char textbuffer[MAXBUF];
629 va_start(argsPtr, text);
630 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
633 this->WriteChannel(user, std::string(textbuffer));
636 void chanrec::WriteChannel(userrec* user, const std::string &text)
638 CUList *ulist = this->GetUsers();
643 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
645 if (IS_LOCAL(i->second))
646 user->WriteTo(i->second,text);
650 void chanrec::WriteChannelWithServ(const char* ServName, const char* text, ...)
652 char textbuffer[MAXBUF];
658 va_start(argsPtr, text);
659 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
662 this->WriteChannelWithServ(ServName, std::string(textbuffer));
665 void chanrec::WriteChannelWithServ(const char* ServName, const std::string &text)
667 CUList *ulist = this->GetUsers();
669 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
671 if (IS_LOCAL(i->second))
672 i->second->WriteServ(text);
676 /* write formatted text from a source user to all users on a channel except
677 * for the sender (for privmsg etc) */
678 void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...)
680 char textbuffer[MAXBUF];
686 va_start(argsPtr, text);
687 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
690 this->WriteAllExceptSender(user, serversource, status, std::string(textbuffer));
693 void chanrec::WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text)
700 ulist = this->GetOppedUsers();
703 ulist = this->GetHalfoppedUsers();
706 ulist = this->GetVoicedUsers();
709 ulist = this->GetUsers();
713 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
715 if ((IS_LOCAL(i->second)) && (user != i->second))
718 i->second->WriteServ(text);
720 i->second->WriteFrom(user,text);
726 * return a count of the users on a specific channel accounting for
727 * invisible users who won't increase the count. e.g. for /LIST
729 int chanrec::CountInvisible()
732 CUList *ulist= this->GetUsers();
733 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
735 if (!(i->second->modes[UM_INVISIBLE]))
742 char* chanrec::ChanModes(bool showkey)
744 static char scratch[MAXBUF];
745 static char sparam[MAXBUF];
746 char* offset = scratch;
747 std::string extparam = "";
752 /* This was still iterating up to 190, chanrec::modes is only 64 elements -- Om */
753 for(int n = 0; n < 64; n++)
762 extparam = (showkey ? this->key : "<key>");
765 extparam = ConvToStr(this->limit);
773 /* We know these have no parameters */
776 extparam = this->GetModeParameter(n + 65);
781 charlcat(sparam,' ',MAXBUF);
782 strlcat(sparam,extparam.c_str(),MAXBUF);
787 /* Null terminate scratch */
789 strlcat(scratch,sparam,MAXBUF);
793 /* compile a userlist of a channel into a string, each nick seperated by
794 * spaces and op, voice etc status shown as @ and +, and send it to 'user'
796 void chanrec::UserList(userrec *user)
805 FOREACH_RESULT(I_OnUserList,OnUserList(user, this));
806 ServerInstance->Log(DEBUG,"MOD_RESULT for UserList = %d",MOD_RESULT);
810 ServerInstance->Log(DEBUG,"Using builtin NAMES list generation");
812 dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
815 char* ptr = list + dlen;
817 CUList *ulist= this->GetUsers();
819 /* Improvement by Brain - this doesnt change in value, so why was it inside
822 bool has_user = this->HasUser(user);
824 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
826 if ((!has_user) && (i->second->modes[UM_INVISIBLE]))
829 * user is +i, and source not on the channel, does not show
835 size_t ptrlen = snprintf(ptr, MAXBUF, "%s%s ", this->GetPrefixChar(i->second), i->second->nick);
842 if (curlen > (480-NICKMAX))
844 /* list overflowed into multiple numerics */
845 user->WriteServ(std::string(list));
847 /* reset our lengths */
848 dlen = curlen = snprintf(list,MAXBUF,"353 %s = %s :", user->nick, this->name);
856 /* if whats left in the list isnt empty, send it */
859 user->WriteServ(std::string(list));
862 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, this->name);
865 long chanrec::GetMaxBans()
867 for (std::map<std::string,int>::iterator n = ServerInstance->Config->maxbans.begin(); n != ServerInstance->Config->maxbans.end(); n++)
869 if (match(this->name,n->first.c_str()))
878 /* returns the status character for a given user on a channel, e.g. @ for op,
879 * % for halfop etc. If the user has several modes set, the highest mode
880 * the user has must be returned.
882 const char* chanrec::GetPrefixChar(userrec *user)
884 static char pf[2] = {0, 0};
886 prefixlist::iterator n = prefixes.find(user);
887 if (n != prefixes.end())
889 if (n->second.size())
891 /* If the user has any prefixes, their highest prefix
892 * will always be at the head of the list, as the list is
893 * sorted in rank order highest first (see SetPrefix()
896 *pf = n->second.begin()->first;
905 const char* chanrec::GetAllPrefixChars(userrec* user)
907 static char prefix[MAXBUF];
911 prefixlist::iterator n = prefixes.find(user);
912 if (n != prefixes.end())
914 for (std::vector<prefixtype>::iterator x = n->second.begin(); x != n->second.end(); x++)
916 prefix[ctr++] = x->first;
925 unsigned int chanrec::GetPrefixValue(userrec* user)
927 prefixlist::iterator n = prefixes.find(user);
928 if (n != prefixes.end())
930 if (n->second.size())
931 return n->second.begin()->second;
937 int chanrec::GetStatusFlags(userrec *user)
939 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
941 if ((*i)->channel == this)
943 return (*i)->uc_modes;
950 int chanrec::GetStatus(userrec *user)
952 if (ServerInstance->ULine(user->server))
955 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
957 if ((*i)->channel == this)
959 if (((*i)->uc_modes & UCMODE_OP) > 0)
963 if (((*i)->uc_modes & UCMODE_HOP) > 0)
967 if (((*i)->uc_modes & UCMODE_VOICE) > 0)
971 return STATUS_NORMAL;
974 return STATUS_NORMAL;
977 void chanrec::SetPrefix(userrec* user, char prefix, unsigned int prefix_value, bool adding)
979 prefixlist::iterator n = prefixes.find(user);
980 prefixtype pfx = std::make_pair(prefix,prefix_value);
983 if (n != prefixes.end())
985 if (std::find(n->second.begin(), n->second.end(), pfx) == n->second.end())
987 n->second.push_back(pfx);
988 /* We must keep prefixes in rank order, largest first.
989 * This is for two reasons, firstly because x-chat *ass-u-me's* this
990 * state, and secondly it turns out to be a benefit to us later.
991 * See above in GetPrefix().
993 std::sort(n->second.begin(), n->second.end(), ModeParser::PrefixComparison);
1000 prefixes.insert(std::make_pair<userrec*,pfxcontainer>(user, one));
1005 if (n != prefixes.end())
1007 pfxcontainer::iterator x = std::find(n->second.begin(), n->second.end(), pfx);
1008 if (x != n->second.end())
1014 void chanrec::RemoveAllPrefixes(userrec* user)
1016 prefixlist::iterator n = prefixes.find(user);
1017 if (n != prefixes.end())