X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_chanfilter.cpp;h=646a1b284de34e6b886b2154a0d5b7b9e6240624;hb=0db24252fd119cafee34f1bfa023763fcdd7ebf5;hp=693b1788d938bbec474fbf7854e271e378fea34f;hpb=6050df73f498d05597fb37c6157868df1f6f4db2;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_chanfilter.cpp b/src/modules/m_chanfilter.cpp index 693b1788d..646a1b284 100644 --- a/src/modules/m_chanfilter.cpp +++ b/src/modules/m_chanfilter.cpp @@ -1,182 +1,175 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. - * This program is free but copyrighted software; see - * the file COPYING for details. + * Copyright (C) 2019 linuxdaemon + * Copyright (C) 2013, 2017-2020 Sadie Powell + * Copyright (C) 2012-2014 Attila Molnar + * Copyright (C) 2012, 2018 Robby + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006, 2008-2010 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 . */ -using namespace std; -#include -#include -#include -#include "users.h" -#include "channels.h" -#include "modules.h" - -#include "hashcomp.h" -#include "u_listmode.h" #include "inspircd.h" +#include "listmode.h" +#include "modules/exemption.h" -/* $ModDesc: Provides channel-specific censor lists (like mode +G but varies from channel to channel) */ - - +enum +{ + // InspIRCd-specific. + RPL_ENDOFSPAMFILTER = 940, + RPL_SPAMFILTER = 941 +}; class ChanFilter : public ListModeBase { public: - ChanFilter(InspIRCd* Instance) : ListModeBase(Instance, 'g', "End of channel spamfilter list", "941", "940", false, "chanfilter") { } - - virtual bool ValidateParam(userrec* user, chanrec* chan, std::string &word) + unsigned long maxlen; + + ChanFilter(Module* Creator) + : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", RPL_SPAMFILTER, RPL_ENDOFSPAMFILTER, false) { - if (word.length() > 35) + syntax = ""; + } + + bool ValidateParam(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE + { + if (word.length() > maxlen) { - user->WriteServ( "935 %s %s %s :word is too long for censor list",user->nick, chan->name,word.c_str()); + user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list.")); return false; } - - return true; - } - - virtual bool TellListTooLong(userrec* user, chanrec* chan, std::string &word) - { - user->WriteServ("939 %s %s %s :Channel spamfilter list is full",user->nick, chan->name, word.c_str()); + return true; } - - virtual void TellAlreadyOnList(userrec* user, chanrec* chan, std::string &word) - { - user->WriteServ("937 %s %s :The word %s is already on the spamfilter list",user->nick, chan->name,word.c_str()); - } - - virtual void TellNotSet(userrec* user, chanrec* chan, std::string &word) - { - user->WriteServ("938 %s %s :No such spamfilter word is set",user->nick, chan->name); - } }; class ModuleChanFilter : public Module { - - ChanFilter* cf; - - public: - - ModuleChanFilter(InspIRCd* Me) - : Module::Module(Me) - { - cf = new ChanFilter(ServerInstance); - ServerInstance->AddMode(cf, 'g'); - } + CheckExemption::EventProvider exemptionprov; + ChanFilter cf; + bool hidemask; + bool notifyuser; - void Implements(char* List) - { - cf->DoImplements(List); - List[I_OnCleanup] = List[I_On005Numeric] = List[I_OnChannelDelete] = List[I_OnRehash] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnSyncChannel] = 1; - } - - virtual void On005Numeric(std::string &output) + ChanFilter::ListItem* Match(User* user, Channel* chan, const std::string& text) { - ServerInstance->Modes->InsertMode(output,"g",1); + ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter"); + if (!IS_LOCAL(user) || res == MOD_RES_ALLOW) + return NULL; + + ListModeBase::ModeList* list = cf.GetList(chan); + if (!list) + return NULL; + + for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++) + { + if (InspIRCd::Match(text, i->mask)) + return &*i; + } + + return NULL; } - virtual void OnChannelDelete(chanrec* chan) + public: + + ModuleChanFilter() + : exemptionprov(this) + , cf(this) { - cf->DoChannelDelete(chan); } - virtual void OnRehash(const std::string ¶meter) + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE { - cf->DoRehash(); + ConfigTag* tag = ServerInstance->Config->ConfValue("chanfilter"); + hidemask = tag->getBool("hidemask"); + cf.maxlen = tag->getUInt("maxlen", 35, 10, ModeParser::MODE_PARAM_MAX); + notifyuser = tag->getBool("notifyuser", true); + cf.DoRehash(); } - virtual int ProcessMessages(userrec* user,chanrec* chan,std::string &text) + void OnUserPart(Membership* memb, std::string& partmessage, CUList& except_list) CXX11_OVERRIDE { - // Create a copy of the string in irc::string - irc::string line = text.c_str(); + if (!memb) + return; - modelist* list; - chan->GetExt(cf->GetInfoKey(), list); + User* user = memb->user; + Channel* chan = memb->chan; + ChanFilter::ListItem* match = Match(user, chan, partmessage); + if (!match) + return; - if (list) - { - for (modelist::iterator i = list->begin(); i != list->end(); i++) - { - if (line.find(i->mask.c_str()) != std::string::npos) - { - user->WriteServ("936 %s %s %s :Your message contained a censored word, and was blocked",user->nick, chan->name, i->mask.c_str()); - return 1; - } - } - } - return 0; - } + // Match() checks the user is local, we can assume from here + LocalUser* luser = IS_LOCAL(user); - virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status) - { - if (target_type == TYPE_CHANNEL) + std::string oldreason(partmessage); + partmessage = "Reason filtered"; + if (!notifyuser) { - return ProcessMessages(user,(chanrec*)dest,text); + // Send fake part + ClientProtocol::Messages::Part partmsg(memb, oldreason); + ClientProtocol::Event ev(ServerInstance->GetRFCEvents().part, partmsg); + luser->Send(ev); + + // Don't send the user the changed message + except_list.insert(user); + return; } - else return 0; - } - virtual void OnCleanup(int target_type, void* item) - { - cf->DoCleanup(target_type, item); - } - - virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status) - { - return OnUserPreMessage(user,dest,target_type,text,status); - } - - virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque) - { - cf->DoSyncChannel(chan, proto, opaque); + if (hidemask) + user->WriteNumeric(Numerics::CannotSendTo(chan, "Your part message contained a banned phrase and was blocked.")); + else + user->WriteNumeric(Numerics::CannotSendTo(chan, InspIRCd::Format("Your part message contained a banned phrase (%s) and was blocked.", + match->mask.c_str()))); } - virtual Version GetVersion() + ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE { - return Version(1,0,0,1,VF_STATIC|VF_VENDOR); - } - - virtual ~ModuleChanFilter() - { - DELETE(cf); - } -}; + if (target.type != MessageTarget::TYPE_CHANNEL) + return MOD_RES_PASSTHRU; + Channel* chan = target.Get(); + ChanFilter::ListItem* match = Match(user, chan, details.text); + if (match) + { + if (!notifyuser) + { + details.echo_original = true; + return MOD_RES_DENY; + } -class ModuleChanFilterFactory : public ModuleFactory -{ - public: - ModuleChanFilterFactory() - { - } - - ~ModuleChanFilterFactory() - { + if (hidemask) + user->WriteNumeric(Numerics::CannotSendTo(chan, "Your message to this channel contained a banned phrase and was blocked.")); + else + user->WriteNumeric(Numerics::CannotSendTo(chan, InspIRCd::Format("Your message to this channel contained a banned phrase (%s) and was blocked.", + match->mask.c_str()))); + + return MOD_RES_DENY; + } + return MOD_RES_PASSTHRU; } - - virtual Module * CreateModule(InspIRCd* Me) + + Version GetVersion() CXX11_OVERRIDE { - return new ModuleChanFilter(Me); + // We don't send any link data if the length is 35 for compatibility with the 2.0 branch. + std::string maxfilterlen; + if (cf.maxlen != 35) + maxfilterlen.assign(ConvToStr(cf.maxlen)); + + return Version("Adds channel mode g (filter) which allows channel operators to define glob patterns for inappropriate phrases that are not allowed to be used in the channel.", VF_VENDOR, maxfilterlen); } - }; - -extern "C" void * init_module( void ) -{ - return new ModuleChanFilterFactory; -} +MODULE_INIT(ModuleChanFilter)