-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@znc.in>
+ * Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2008 Geoff Bricker <geoff.bricker@gmail.com>
+ * Copyright (C) 2004-2006 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
- * ---------------------------------------------------
+ * 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 <http://www.gnu.org/licenses/>.
*/
-#include <stdio.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
-/* $ModDesc: Provides support for unreal-style oper-override */
+#include "inspircd.h"
-char dummyvalue[] = "on";
+/* $ModDesc: Provides support for allowing opers to override certain things. */
class ModuleOverride : public Module
{
- Server *Srv;
+ bool RequireKey;
bool NoisyOverride;
- ConfigReader *Conf;
-
+
+ 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:
-
- ModuleOverride()
+
+ void init()
{
-
- // here we initialise our module. Use new to create new instances of the required
- // classes.
-
- Srv = new Server;
- Conf = new ConfigReader;
-
// read our config options (main config file)
- NoisyOverride = Conf->ReadFlag("override","noisy",0);
+ 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));
}
-
- virtual void OnRehash()
+
+ void OnRehash(User* user)
{
- // on a rehash we delete our classes for good measure and create them again.
- delete Conf;
- Conf = new ConfigReader;
// re-read our config options on a rehash
- NoisyOverride = Conf->ReadFlag("override","noisy",0);
+ ConfigTag* tag = ServerInstance->Config->ConfValue("override");
+ NoisyOverride = tag->getBool("noisy");
+ RequireKey = tag->getBool("requirekey");
}
- virtual void On005Numeric(std::string &output)
- {
- output = output + std::string(" OVERRIDE");
- }
+ void On005Numeric(std::string &output)
+ {
+ output.append(" OVERRIDE");
+ }
- virtual bool CanOverride(userrec* source, char* token)
+ bool CanOverride(User* source, const char* token)
{
- // checks to see if the oper's type has <type:override>
- for (int j =0; j < Conf->Enumerate("type"); j++)
- {
- std::string typen = Conf->ReadValue("type","name",j);
- if (!strcmp(typen.c_str(),source->oper))
- {
- // its defined, return its value as a boolean for if the token is set
- std::string tokenlist = Conf->ReadValue("type","override",j);
- return strstr(tokenlist.c_str(),token);
- }
- }
- // its not defined at all, count as false
- return false;
+ 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));
}
-
- virtual int OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type)
+
+
+ ModResult OnPreTopicChange(User *source, Channel *channel, const std::string &topic)
{
- if (strchr(source->modes,'o'))
+ if (IS_LOCAL(source) && IS_OPER(source) && CanOverride(source, "TOPIC"))
{
- if ((Srv) && (source) && (channel))
+ if (!channel->HasUser(source) || (channel->IsModeSet('t') && channel->GetPrefixValue(source) < HALFOP_VALUE))
{
- // 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
- if ((!Srv->IsOnChannel(source,channel)) || ((Srv->ChanMode(source,channel) != "%") && (Srv->ChanMode(source,channel) != "@")))
- {
- switch (access_type)
- {
- case AC_KICK:
- if (CanOverride(source,"KICK"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Kicked "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- case AC_DEOP:
- if (CanOverride(source,"MODEOP"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Deopped "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- case AC_OP:
- if (CanOverride(source,"MODEDEOP"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Opped "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- case AC_VOICE:
- if (CanOverride(source,"MODEVOICE"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Voiced "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- case AC_DEVOICE:
- if (CanOverride(source,"MODEDEVOICE"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Devoiced "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- case AC_HALFOP:
- if (CanOverride(source,"MODEHALFOP"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Halfopped "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- case AC_DEHALFOP:
- if (CanOverride(source,"MODEDEHALFOP"))
- {
- Srv->SendOpers("*** NOTICE: "+std::string(source->nick)+" Override-Dehalfopped "+std::string(dest->nick)+" on "+std::string(channel->name));
- return ACR_ALLOW;
- }
- else return ACR_DEFAULT;
- break;
- }
- }
- }
- if (CanOverride(source,"OTHERMODE"))
- {
- return ACR_ALLOW;
+ ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to change a topic on "+channel->name);
}
- else
+
+ // 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) ||
+ (memb->chan->GetPrefixValue(source) == HALFOP_VALUE && memb->getRank() == HALFOP_VALUE))
{
- return ACR_DEFAULT;
+ 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;
+ }
- return ACR_DEFAULT;
+ ModResult OnPreMode(User* source,User* dest,Channel* channel, const std::vector<std::string>& 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;
}
-
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
+
+ ModResult OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
{
- if (strchr(user->modes,'o'))
+ if (IS_LOCAL(user) && IS_OPER(user))
{
if (chan)
{
- if ((chan->binarymodes & CM_INVITEONLY) && (CanOverride(user,"INVITE")))
+ if (chan->IsModeSet('i') && (CanOverride(user,"INVITE")))
{
- if (NoisyOverride)
+ irc::string x(chan->name.c_str());
+ if (!IS_LOCAL(user)->IsInvited(x))
{
- if (!user->IsInvited(chan->name))
+ if (RequireKey && keygiven != "override")
{
- WriteChannelWithServ((char*)Srv->GetServerName().c_str(),chan,"NOTICE %s :%s invited himself into the channel",cname,user->nick);
+ // 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));
}
- Srv->SendOpers("*** "+std::string(user->nick)+" used operoverride to bypass +i on "+std::string(cname));
- return -1;
+ return MOD_RES_ALLOW;
}
- if ((chan->key[0]) && (CanOverride(user,"KEY")))
- {
- if (NoisyOverride)
- WriteChannelWithServ((char*)Srv->GetServerName().c_str(),chan,"NOTICE %s :%s bypassed the channel key",cname,user->nick);
- Srv->SendOpers("*** "+std::string(user->nick)+" used operoverride to bypass +k on "+std::string(cname));
- return -1;
- }
- if ((chan->limit >= Srv->CountUsers(chan)) && (CanOverride(user,"LIMIT")))
- {
- if (NoisyOverride)
- WriteChannelWithServ((char*)Srv->GetServerName().c_str(),chan,"NOTICE %s :%s passed through your channel limit",cname,user->nick);
- Srv->SendOpers("*** "+std::string(user->nick)+" used operoverride to bypass +l on "+std::string(cname));
- return -1;
- }
-
- if (CanOverride(user,"BANWALK"))
+
+ 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"))
{
- // other join
- return -1;
+ 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 0;
- }
-
- virtual ~ModuleOverride()
- {
- delete Conf;
- delete Srv;
- }
-
- virtual Version GetVersion()
- {
- return Version(1,0,0,1,VF_VENDOR);
+ return MOD_RES_PASSTHRU;
}
-};
-
-class ModuleOverrideFactory : public ModuleFactory
-{
- public:
- ModuleOverrideFactory()
+ Version GetVersion()
{
+ return Version("Provides support for allowing opers to override certain things",VF_VENDOR);
}
-
- ~ModuleOverrideFactory()
- {
- }
-
- virtual Module * CreateModule()
- {
- return new ModuleOverride;
- }
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleOverrideFactory;
-}
-
+MODULE_INIT(ModuleOverride)