X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_override.cpp;h=3e42c4f7927885f023bc9b5bf05775b21f8a28a8;hb=ccd4c11ea1a43d079eaae9708482ef4a9148796c;hp=c5b343552d26e2e3ad97c69b28b90ebbdbbac504;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_override.cpp b/src/modules/m_override.cpp index c5b343552..3e42c4f79 100644 --- a/src/modules/m_override.cpp +++ b/src/modules/m_override.cpp @@ -1 +1,216 @@ -/* +------------------------------------+ * | 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 "configreader.h" #include "wildcard.h" /* $ModDesc: Provides support for unreal-style oper-override */ typedef std::map override_t; class ModuleOverride : public Module { override_t overrides; bool NoisyOverride; bool OverriddenMode; int OverOps, OverDeops, OverVoices, OverDevoices, OverHalfops, OverDehalfops; public: ModuleOverride(InspIRCd* Me) : Module(Me) { // read our config options (main config file) OnRehash(NULL,""); ServerInstance->SNO->EnableSnomask('O',"OVERRIDE"); OverriddenMode = false; OverOps = OverDeops = OverVoices = OverDevoices = OverHalfops = OverDehalfops = 0; } virtual void OnRehash(userrec* user, const std::string ¶meter) { // on a rehash we delete our classes for good measure and create them again. ConfigReader* Conf = new ConfigReader(ServerInstance); // re-read our config options on a rehash NoisyOverride = Conf->ReadFlag("override","noisy",0); overrides.clear(); for (int j =0; j < Conf->Enumerate("type"); j++) { std::string typen = Conf->ReadValue("type","name",j); std::string tokenlist = Conf->ReadValue("type","override",j); overrides[typen] = tokenlist; } DELETE(Conf); } void Implements(char* List) { List[I_OnRehash] = List[I_OnAccessCheck] = List[I_On005Numeric] = List[I_OnUserPreJoin] = List[I_OnUserPreKick] = List[I_OnPostCommand] = 1; } virtual void OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line) { if ((NoisyOverride) && (OverriddenMode) && (irc::string(command.c_str()) == "MODE") && (result == CMD_SUCCESS)) { int Total = OverOps + OverDeops + OverVoices + OverDevoices + OverHalfops + OverDehalfops; ServerInstance->SNO->WriteToSnoMask('O',std::string(user->nick)+" Overriding modes: "+ServerInstance->Modes->GetLastParse()+" "+(Total ? "[Detail: " : "")+ (OverOps ? ConvToStr(OverOps)+" op"+(OverOps != 1 ? "s" : "")+" " : "")+ (OverDeops ? ConvToStr(OverDeops)+" deop"+(OverDeops != 1 ? "s" : "")+" " : "")+ (OverVoices ? ConvToStr(OverVoices)+" voice"+(OverVoices != 1 ? "s" : "")+" " : "")+ (OverDevoices ? ConvToStr(OverDevoices)+" devoice"+(OverDevoices != 1 ? "s" : "")+" " : "")+ (OverHalfops ? ConvToStr(OverHalfops)+" halfop"+(OverHalfops != 1 ? "s" : "")+" " : "")+ (OverDehalfops ? ConvToStr(OverDehalfops)+" dehalfop"+(OverDehalfops != 1 ? "s" : "") : "") +(Total ? "]" : "")); OverriddenMode = false; OverOps = OverDeops = OverVoices = OverDevoices = OverHalfops = OverDehalfops = 0; } } virtual void On005Numeric(std::string &output) { output.append(" OVERRIDE"); } virtual bool CanOverride(userrec* source, char* token) { // checks to see if the oper's type has override_t::iterator j = overrides.find(source->oper); if (j != overrides.end()) { // its defined or * is set, return its value as a boolean for if the token is set return ((j->second.find(token, 0) != std::string::npos) || (j->second.find("*", 0) != std::string::npos)); } // its not defined at all, count as false return false; } virtual int OnUserPreKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason) { if (IS_OPER(source) && CanOverride(source,"KICK")) { if (((chan->GetStatus(source) == STATUS_HOP) && (chan->GetStatus(user) == STATUS_OP)) || (chan->GetStatus(source) < STATUS_VOICE)) { ServerInstance->SNO->WriteToSnoMask('O',std::string(source->nick)+" Override-Kicked "+std::string(user->nick)+" on "+std::string(chan->name)+" ("+reason+")"); } /* Returning -1 explicitly allows the kick */ return -1; } return 0; } virtual int OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type) { if (IS_OPER(source)) { if (source && channel) { // Fix by brain - allow the change if they arent on channel - rely on boolean short-circuit // to not check the other items in the statement if they arent on the channel int mode = channel->GetStatus(source); switch (access_type) { case AC_DEOP: if (CanOverride(source,"MODEDEOP")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_OP)) OverDeops++; return ACR_ALLOW; } else { return ACR_DEFAULT; } break; case AC_OP: if (CanOverride(source,"MODEOP")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_OP)) OverOps++; return ACR_ALLOW; } else { return ACR_DEFAULT; } break; case AC_VOICE: if (CanOverride(source,"MODEVOICE")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_HOP)) OverVoices++; return ACR_ALLOW; } else { return ACR_DEFAULT; } break; case AC_DEVOICE: if (CanOverride(source,"MODEDEVOICE")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_HOP)) OverDevoices++; return ACR_ALLOW; } else { return ACR_DEFAULT; } break; case AC_HALFOP: if (CanOverride(source,"MODEHALFOP")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_OP)) OverHalfops++; return ACR_ALLOW; } else { return ACR_DEFAULT; } break; case AC_DEHALFOP: if (CanOverride(source,"MODEDEHALFOP")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_OP)) OverDehalfops++; return ACR_ALLOW; } else { return ACR_DEFAULT; } break; } if (CanOverride(source,"OTHERMODE")) { if (NoisyOverride) if ((!channel->HasUser(source)) || (mode < STATUS_OP)) { OverriddenMode = true; OverOps = OverDeops = OverVoices = OverDevoices = OverHalfops = OverDehalfops = 0; } return ACR_ALLOW; } else { return ACR_DEFAULT; } } } return ACR_DEFAULT; } virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs) { if (IS_OPER(user)) { if (chan) { if ((chan->modes[CM_INVITEONLY]) && (CanOverride(user,"INVITE"))) { irc::string x = chan->name; if (!user->IsInvited(x)) { /* XXX - Ugly cast for a parameter that isn't used? :< - Om */ if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper-override to bypass invite-only", cname, user->nick); ServerInstance->SNO->WriteToSnoMask('O',std::string(user->nick)+" used operoverride to bypass +i on "+std::string(cname)); } return -1; } if ((*chan->key) && (CanOverride(user,"KEY"))) { if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper-override to bypass the channel key", cname, user->nick); ServerInstance->SNO->WriteToSnoMask('O',std::string(user->nick)+" used operoverride to bypass +k on "+std::string(cname)); return -1; } if ((chan->limit > 0) && (chan->GetUserCounter() >= chan->limit) && (CanOverride(user,"LIMIT"))) { if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper-override to bypass the channel limit", cname, user->nick); ServerInstance->SNO->WriteToSnoMask('O',std::string(user->nick)+" used operoverride to bypass +l on "+std::string(cname)); return -1; } if (CanOverride(user,"BANWALK")) { if (chan->IsBanned(user)) { if (NoisyOverride) chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper-override to bypass channel ban", cname, user->nick); ServerInstance->SNO->WriteToSnoMask('O',"%s used oper-override to bypass channel ban on %s", user->nick, cname); } return -1; } } } return 0; } virtual ~ModuleOverride() { ServerInstance->SNO->DisableSnomask('O'); } virtual Version GetVersion() { return Version(1,1,0,1,VF_VENDOR,API_VERSION); } }; MODULE_INIT(ModuleOverride) \ No newline at end of file +/* + * 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" + +/* $ModDesc: Provides support for allowing opers to override certain things. */ + +class ModuleOverride : public Module +{ + bool RequireKey; + bool NoisyOverride; + + static bool IsOverride(unsigned int userlevel, const std::string& modeline) + { + for (std::string::const_iterator i = modeline.begin(); i != modeline.end(); ++i) + { + ModeHandler* mh = ServerInstance->Modes->FindMode(*i, MODETYPE_CHANNEL); + if (!mh) + continue; + + if (mh->GetLevelRequired() > userlevel) + return true; + } + return false; + } + + public: + + void init() + { + // read our config options (main config file) + OnRehash(NULL); + ServerInstance->SNO->EnableSnomask('v', "OVERRIDE"); + Implementation eventlist[] = { I_OnRehash, I_OnPreMode, I_On005Numeric, I_OnUserPreJoin, I_OnUserPreKick, I_OnPreTopicChange }; + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); + } + + void OnRehash(User* user) + { + // re-read our config options on a rehash + ConfigTag* tag = ServerInstance->Config->ConfValue("override"); + NoisyOverride = tag->getBool("noisy"); + RequireKey = tag->getBool("requirekey"); + } + + void On005Numeric(std::string &output) + { + output.append(" 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) + { + if (IS_LOCAL(source) && IS_OPER(source) && CanOverride(source, "TOPIC")) + { + if (!channel->HasUser(source) || (channel->IsModeSet('t') && 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) + { + if (IS_OPER(source) && 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) + { + if (!source || !channel) + return MOD_RES_PASSTHRU; + if (!IS_OPER(source) || !IS_LOCAL(source)) + return MOD_RES_PASSTHRU; + + unsigned int mode = channel->GetPrefixValue(source); + + if (!IsOverride(mode, parameters[1])) + return MOD_RES_PASSTHRU; + + if (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(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven) + { + if (IS_LOCAL(user) && IS_OPER(user)) + { + if (chan) + { + if (chan->IsModeSet('i') && (CanOverride(user,"INVITE"))) + { + irc::string x(chan->name.c_str()); + if (!IS_LOCAL(user)->IsInvited(x)) + { + if (RequireKey && keygiven != "override") + { + // Can't join normally -- must use a special key to bypass restrictions + user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str()); + return MOD_RES_PASSTHRU; + } + + if (NoisyOverride) + chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass invite-only", cname, user->nick.c_str()); + ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +i on "+std::string(cname)); + } + return MOD_RES_ALLOW; + } + + if (chan->IsModeSet('k') && (CanOverride(user,"KEY")) && keygiven != chan->GetModeParameter('k')) + { + if (RequireKey && keygiven != "override") + { + // Can't join normally -- must use a special key to bypass restrictions + user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str()); + return MOD_RES_PASSTHRU; + } + + if (NoisyOverride) + chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel key", cname, user->nick.c_str()); + ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +k on "+std::string(cname)); + return MOD_RES_ALLOW; + } + + if (chan->IsModeSet('l') && (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter('l'))) && (CanOverride(user,"LIMIT"))) + { + if (RequireKey && keygiven != "override") + { + // Can't join normally -- must use a special key to bypass restrictions + user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str()); + return MOD_RES_PASSTHRU; + } + + if (NoisyOverride) + chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel limit", cname, user->nick.c_str()); + ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +l on "+std::string(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->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str()); + return MOD_RES_PASSTHRU; + } + + if (NoisyOverride) + chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass channel ban", cname, user->nick.c_str()); + ServerInstance->SNO->WriteGlobalSno('v',"%s used oper override to bypass channel ban on %s", user->nick.c_str(), cname); + return MOD_RES_ALLOW; + } + } + } + return MOD_RES_PASSTHRU; + } + + Version GetVersion() + { + return Version("Provides support for allowing opers to override certain things",VF_VENDOR); + } +}; + +MODULE_INIT(ModuleOverride)