X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_chanfilter.cpp;h=ff3e4ca967b0b9b787f2315cf93f126c0b5ae92d;hb=a5b9f37d62670a49e81c5a53f93bdf485aace4a6;hp=810c0da023bca06f4808c9704e2a72d254488671;hpb=10fb03948df5c1c802fd69c4be9fd22f84ffc061;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_chanfilter.cpp b/src/modules/m_chanfilter.cpp index 810c0da02..5591c7ef9 100644 --- a/src/modules/m_chanfilter.cpp +++ b/src/modules/m_chanfilter.cpp @@ -1,240 +1,140 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * Inspire is copyright (C) 2002-2004 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) 2009 Daniel De Graaf + * Copyright (C) 2008 Pippijn van Steenhoven + * Copyright (C) 2007 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006 Oliver Lupton + * Copyright (C) 2005 Craig McLure + * 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 -#include -#include -#include "users.h" -#include "channels.h" -#include "modules.h" -/* $ModDesc: Provides channel-specific censor lists (like mode +G but varies from channel to channel) */ +#include "inspircd.h" +#include "listmode.h" +#include "modules/exemption.h" -typedef std::vector SpamList; +enum +{ + // InspIRCd-specific. + ERR_ALREADYCHANFILTERED = 937, + ERR_NOSUCHCHANFILTER = 938 +}; -class ModuleChanFilter : public Module +/** Handles channel mode +g + */ +class ChanFilter : public ListModeBase { - Server *Srv; - ConfigReader *Conf; - long MaxEntries; - public: - - ModuleChanFilter() - { - Srv = new Server; - Conf = new ConfigReader; - Srv->AddExtendedListMode('g'); - MaxEntries = Conf->ReadInteger("chanfilter","maxsize",0,true); - } - - virtual void On005Numeric(std::string &output) - { - std::stringstream line(output); - std::string temp1, temp2; - while (!line.eof()) - { - line >> temp1; - if (temp1.substr(0,10) == "CHANMODES=") - { - // append the chanmode to the end - temp1 = temp1.substr(10,temp1.length()); - temp1 = "CHANMODES=g" + temp1; - } - temp2 = temp2 + temp1 + " "; - } - if (temp2.length()) - output = temp2.substr(0,temp2.length()-1); - } - - virtual void OnUserPart(userrec* user, chanrec* channel) + unsigned long maxlen; + + ChanFilter(Module* Creator) : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", 941, 940, false, "chanfilter") { } + + bool ValidateParam(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE { - // when the last user parts, delete the list - if (Srv->CountUsers(channel) == 1) + if (word.length() > maxlen) { - SpamList* spamlist = (SpamList*)channel->GetExt("spam_list"); - if (spamlist) - { - channel->Shrink("spam_list"); - delete spamlist; - } + user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list")); + return false; } + + return true; } - virtual void OnRehash() + void TellAlreadyOnList(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE { - delete Conf; - Conf = new ConfigReader; - // re-read our config options on a rehash - MaxEntries = Conf->ReadInteger("chanfilter","maxsize",0,true); + user->WriteNumeric(ERR_ALREADYCHANFILTERED, chan->name, InspIRCd::Format("The word %s is already on the spamfilter list", word.c_str())); } - virtual int ProcessMessages(userrec* user,chanrec* chan,std::string &text) - { - SpamList* spamlist = (SpamList*)chan->GetExt("spam_list"); - if (spamlist) - { - for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++) - { - if (strcasestr(text.c_str(),i->c_str())) - { - WriteServ(user->fd,"936 %s %s :Your message contained a censored word, and was blocked",user->nick, chan->name); - return 1; - } - } - } - return 0; + void TellNotSet(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE + { + user->WriteNumeric(ERR_NOSUCHCHANFILTER, chan->name, "No such spamfilter word is set"); } +}; + +class ModuleChanFilter : public Module +{ + CheckExemption::EventProvider exemptionprov; + ChanFilter cf; + bool hidemask; + bool notifyuser; + + public: - virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text) + ModuleChanFilter() + : exemptionprov(this) + , cf(this) { - if (target_type == TYPE_CHANNEL) - { - return ProcessMessages(user,(chanrec*)dest,text); - } - else return 0; } - virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text) + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE { - if (target_type == TYPE_CHANNEL) - { - return ProcessMessages(user,(chanrec*)dest,text); - } - else return 0; + ConfigTag* tag = ServerInstance->Config->ConfValue("chanfilter"); + hidemask = tag->getBool("hidemask"); + cf.maxlen = tag->getUInt("maxlen", 35, 10, 100); + notifyuser = tag->getBool("notifyuser", true); + cf.DoRehash(); } - - virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) + + ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE { - if ((modechar == 'g') && (type == MT_CHANNEL)) + if (target.type != MessageTarget::TYPE_CHANNEL) + return MOD_RES_PASSTHRU; + + Channel* chan = target.Get(); + ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter"); + + if (!IS_LOCAL(user) || res == MOD_RES_ALLOW) + return MOD_RES_PASSTHRU; + + ListModeBase::ModeList* list = cf.GetList(chan); + + if (list) { - chanrec* chan = (chanrec*)target; - std::string param = params[0]; - - if (mode_on) - { - SpamList* spamlist = (SpamList*)chan->GetExt("spam_list"); - if (!spamlist) - { - spamlist = new SpamList; - chan->Extend("spam_list",(char*)spamlist); - } - if (spamlist->size() < MaxEntries) - { - for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++) - { - if (*i == params[0]) - { - WriteServ(user->fd,"937 %s %s :The word %s is already on the spamfilter list",user->nick, chan->name,i->c_str()); - return -1; - } - } - spamlist->push_back(params[0]); - return 1; - } - WriteServ(user->fd,"939 %s %s :Channel spamfilter list is full",user->nick, chan->name); - return -1; - } - else + for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++) { - SpamList* spamlist = (SpamList*)chan->GetExt("spam_list"); - if (spamlist) + if (InspIRCd::Match(details.text, i->mask)) { - for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++) + if (!notifyuser) { - if (*i == params[0]) - { - spamlist->erase(i); - return 1; - } + details.echo_original = true; + return MOD_RES_DENY; } - } - WriteServ(user->fd,"938 %s %s :No such spamfilter word is set",user->nick, chan->name); - return -1; - } - return -1; - } - return 0; - } - virtual void OnSendList(userrec* user, chanrec* channel, char mode) - { - if (mode == 'g') - { - SpamList* spamlist = (SpamList*)channel->GetExt("spam_list"); - if (spamlist) - { - for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++) - { - WriteServ(user->fd,"941 %s %s %s",user->nick, channel->name,i->c_str()); + if (hidemask) + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word)"); + else + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word: " + i->mask + ")"); + return MOD_RES_DENY; } } - WriteServ(user->fd,"940 %s %s :End of channel spamfilter list",user->nick, channel->name); - } - } - - virtual ~ModuleChanFilter() - { - delete Conf; - delete Srv; - } - - virtual Version GetVersion() - { - return Version(1,0,0,0,VF_STATIC|VF_VENDOR); - } - - virtual string_list OnChannelSync(chanrec* chan) - { - SpamList* spamlist = (SpamList*)chan->GetExt("spam_list"); - string_list commands; - if (spamlist) - { - for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++) - { - commands.push_back("M "+std::string(chan->name)+" +g "+*i); - } } - return commands; - } - -}; - -class ModuleChanFilterFactory : public ModuleFactory -{ - public: - ModuleChanFilterFactory() - { + return MOD_RES_PASSTHRU; } - - ~ModuleChanFilterFactory() - { - } - - virtual Module * CreateModule() + + Version GetVersion() CXX11_OVERRIDE { - return new ModuleChanFilter; + // 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("Provides channel-specific censor lists (like mode +G but varies from channel to channel)", VF_VENDOR, maxfilterlen); } - }; - -extern "C" void * init_module( void ) -{ - return new ModuleChanFilterFactory; -} - +MODULE_INIT(ModuleChanFilter)