X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_denychans.cpp;h=39d9e0d34024103fc7caad894f8d295a59a592e7;hb=e2f1a61fc67500c4c101ff8a3f7847914298375e;hp=d09e04766b19cfd0214f122326e47e80d492fc9e;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_denychans.cpp b/src/modules/m_denychans.cpp index d09e04766..39d9e0d34 100644 --- a/src/modules/m_denychans.cpp +++ b/src/modules/m_denychans.cpp @@ -1 +1,136 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "users.h" #include "channels.h" #include "modules.h" #include "hashcomp.h" #include "wildcard.h" /* $ModDesc: Implements config tags which allow blocking of joins to channels */ class ModuleDenyChannels : public Module { private: ConfigReader *Conf; public: ModuleDenyChannels(InspIRCd* Me) : Module(Me) { Conf = new ConfigReader(ServerInstance); } virtual void OnRehash(userrec* user, const std::string ¶m) { DELETE(Conf); Conf = new ConfigReader(ServerInstance); } virtual ~ModuleDenyChannels() { DELETE(Conf); } virtual Version GetVersion() { return Version(1,1,0,1,VF_VENDOR,API_VERSION); } void Implements(char* List) { List[I_OnUserPreJoin] = List[I_OnRehash] = 1; } virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs) { for (int j =0; j < Conf->Enumerate("badchan"); j++) { if (match(cname, Conf->ReadValue("badchan","name",j).c_str())) { if (IS_OPER(user) && Conf->ReadFlag("badchan","allowopers",j)) { return 0; } else { std::string reason = Conf->ReadValue("badchan","reason",j); user->WriteServ("926 %s %s :Channel %s is forbidden: %s",user->nick,cname,cname,reason.c_str()); return 1; } } } return 0; } }; MODULE_INIT(ModuleDenyChannels) \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2005 Craig Edwards + * + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + + +#include "inspircd.h" + +/* $ModDesc: Implements config tags which allow blocking of joins to channels */ + +class ModuleDenyChannels : public Module +{ + public: + void init() + { + Implementation eventlist[] = { I_OnUserPreJoin, I_OnRehash }; + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); + } + + virtual void OnRehash(User* user) + { + /* check for redirect validity and loops/chains */ + ConfigTagList tags = ServerInstance->Config->ConfTags("badchan"); + for (ConfigIter i = tags.first; i != tags.second; ++i) + { + std::string name = i->second->getString("name"); + std::string redirect = i->second->getString("redirect"); + + if (!redirect.empty()) + { + + if (!ServerInstance->IsChannel(redirect.c_str(), ServerInstance->Config->Limits.ChanMax)) + { + if (user) + user->WriteServ("NOTICE %s :Invalid badchan redirect '%s'", user->nick.c_str(), redirect.c_str()); + throw ModuleException("Invalid badchan redirect, not a channel"); + } + + for (ConfigIter j = tags.first; j != tags.second; ++j) + { + if (InspIRCd::Match(redirect, j->second->getString("name"))) + { + bool goodchan = false; + ConfigTagList goodchans = ServerInstance->Config->ConfTags("goodchan"); + for (ConfigIter k = goodchans.first; k != goodchans.second; ++k) + { + if (InspIRCd::Match(redirect, k->second->getString("name"))) + goodchan = true; + } + + if (!goodchan) + { + /* is a badchan */ + if (user) + user->WriteServ("NOTICE %s :Badchan %s redirects to badchan %s", user->nick.c_str(), name.c_str(), redirect.c_str()); + throw ModuleException("Badchan redirect loop"); + } + } + } + } + } + } + + virtual ~ModuleDenyChannels() + { + } + + virtual Version GetVersion() + { + return Version("Implements config tags which allow blocking of joins to channels", VF_VENDOR); + } + + + virtual ModResult OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven) + { + ConfigTagList tags = ServerInstance->Config->ConfTags("badchan"); + for (ConfigIter j = tags.first; j != tags.second; ++j) + { + if (InspIRCd::Match(cname, j->second->getString("name"))) + { + if (IS_OPER(user) && j->second->getBool("allowopers")) + { + return MOD_RES_PASSTHRU; + } + else + { + std::string reason = j->second->getString("reason"); + std::string redirect = j->second->getString("redirect"); + + ConfigTagList goodchans = ServerInstance->Config->ConfTags("goodchan"); + for (ConfigIter i = goodchans.first; i != goodchans.second; ++i) + { + if (InspIRCd::Match(cname, i->second->getString("name"))) + { + return MOD_RES_PASSTHRU; + } + } + + if (ServerInstance->IsChannel(redirect.c_str(), ServerInstance->Config->Limits.ChanMax)) + { + /* simple way to avoid potential loops: don't redirect to +L channels */ + Channel *newchan = ServerInstance->FindChan(redirect); + if ((!newchan) || (!(newchan->IsModeSet('L')))) + { + user->WriteNumeric(926, "%s %s :Channel %s is forbidden, redirecting to %s: %s",user->nick.c_str(),cname,cname,redirect.c_str(), reason.c_str()); + Channel::JoinUser(user,redirect.c_str(),false,"",false,ServerInstance->Time()); + return MOD_RES_DENY; + } + } + + user->WriteNumeric(926, "%s %s :Channel %s is forbidden: %s",user->nick.c_str(),cname,cname,reason.c_str()); + return MOD_RES_DENY; + } + } + } + return MOD_RES_PASSTHRU; + } +}; + +MODULE_INIT(ModuleDenyChannels)