/* * InspIRCd -- Internet Relay Chat Daemon * * Copyright (C) 2009-2010 Daniel De Graaf * Copyright (C) 2009 Uli Schlachter * Copyright (C) 2007-2009 Robin Burchell * Copyright (C) 2007-2008 Dennis Friis * Copyright (C) 2008 Pippijn van Steenhoven * Copyright (C) 2008 Geoff Bricker * Copyright (C) 2004-2006 Craig Edwards * Copyright (C) 2006 Oliver Lupton * * 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" class ModuleOverride : public Module { bool RequireKey; bool NoisyOverride; ChanModeReference topiclock; ChanModeReference inviteonly; ChanModeReference key; ChanModeReference limit; public: ModuleOverride() : topiclock(this, "topiclock") , inviteonly(this, "inviteonly") , key(this, "key") , limit(this, "limit") { } void init() CXX11_OVERRIDE { ServerInstance->SNO->EnableSnomask('v', "OVERRIDE"); } void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE { // re-read our config options ConfigTag* tag = ServerInstance->Config->ConfValue("override"); NoisyOverride = tag->getBool("noisy"); RequireKey = tag->getBool("requirekey"); } void On005Numeric(std::map& tokens) CXX11_OVERRIDE { tokens["OVERRIDE"]; } bool CanOverride(User* source, const char* token) { std::string tokenlist = source->oper->getConfig("override"); // its defined or * is set, return its value as a boolean for if the token is set return ((tokenlist.find(token, 0) != std::string::npos) || (tokenlist.find("*", 0) != std::string::npos)); } ModResult OnPreTopicChange(User *source, Channel *channel, const std::string &topic) CXX11_OVERRIDE { if (IS_LOCAL(source) && source->IsOper() && CanOverride(source, "TOPIC")) { if (!channel->HasUser(source) || (channel->IsModeSet(topiclock) && channel->GetPrefixValue(source) < HALFOP_VALUE)) { ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to change a topic on "+channel->name); } // Explicit allow return MOD_RES_ALLOW; } return MOD_RES_PASSTHRU; } ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE { if (source->IsOper() && CanOverride(source,"KICK")) { // If the kicker's status is less than the target's, or the kicker's status is less than or equal to voice if ((memb->chan->GetPrefixValue(source) < memb->getRank()) || (memb->chan->GetPrefixValue(source) <= VOICE_VALUE)) { ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to kick "+memb->user->nick+" on "+memb->chan->name+" ("+reason+")"); return MOD_RES_ALLOW; } } return MOD_RES_PASSTHRU; } ModResult OnPreMode(User* source,User* dest,Channel* channel, const std::vector& parameters) CXX11_OVERRIDE { if (!source || !channel) return MOD_RES_PASSTHRU; if (!source->IsOper() || !IS_LOCAL(source)) return MOD_RES_PASSTHRU; unsigned int mode = channel->GetPrefixValue(source); if (mode < HALFOP_VALUE && CanOverride(source, "MODE")) { std::string msg = source->nick+" overriding modes:"; for(unsigned int i=0; i < parameters.size(); i++) msg += " " + parameters[i]; ServerInstance->SNO->WriteGlobalSno('v',msg); return MOD_RES_ALLOW; } return MOD_RES_PASSTHRU; } ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE { if (user->IsOper()) { if (chan) { if (chan->IsModeSet(inviteonly) && (CanOverride(user,"INVITE"))) { if (!IS_LOCAL(user)->IsInvited(chan)) { if (RequireKey && keygiven != "override") { // Can't join normally -- must use a special key to bypass restrictions user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override."); return MOD_RES_PASSTHRU; } if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass invite-only", cname.c_str(), user->nick.c_str()); ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +i on " + cname); } return MOD_RES_ALLOW; } if (chan->IsModeSet(key) && (CanOverride(user,"KEY")) && keygiven != chan->GetModeParameter(key)) { if (RequireKey && keygiven != "override") { // Can't join normally -- must use a special key to bypass restrictions user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override."); return MOD_RES_PASSTHRU; } if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel key", cname.c_str(), user->nick.c_str()); ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +k on " + cname); return MOD_RES_ALLOW; } if (chan->IsModeSet(limit) && (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter(limit))) && (CanOverride(user,"LIMIT"))) { if (RequireKey && keygiven != "override") { // Can't join normally -- must use a special key to bypass restrictions user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override."); return MOD_RES_PASSTHRU; } if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel limit", cname.c_str(), user->nick.c_str()); ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +l on " + cname); return MOD_RES_ALLOW; } if (chan->IsBanned(user) && CanOverride(user,"BANWALK")) { if (RequireKey && keygiven != "override") { // Can't join normally -- must use a special key to bypass restrictions user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override."); return MOD_RES_PASSTHRU; } if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass channel ban", cname.c_str(), user->nick.c_str()); ServerInstance->SNO->WriteGlobalSno('v',"%s used oper override to bypass channel ban on %s", user->nick.c_str(), cname.c_str()); return MOD_RES_ALLOW; } } } return MOD_RES_PASSTHRU; } Version GetVersion() CXX11_OVERRIDE { return Version("Provides support for allowing opers to override certain things",VF_VENDOR); } }; MODULE_INIT(ModuleOverride)