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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd is copyright (C) 2002-2006 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.
*
* ---------------------------------------------------
*/
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
#include "configreader.h"
#include "inspircd.h"
/* $ModDesc: Provides support for unreal-style oper-override */
extern InspIRCd* ServerInstance;
typedef std::map<std::string,std::string> override_t;
class ModuleOverride : public Module
{
Server *Srv;
override_t overrides;
bool NoisyOverride;
public:
ModuleOverride(Server* Me)
: Module::Module(Me)
{
// here we initialise our module. Use new to create new instances of the required
// classes.
Srv = Me;
// read our config options (main config file)
OnRehash("");
}
virtual void OnRehash(const std::string ¶meter)
{
// on a rehash we delete our classes for good measure and create them again.
ConfigReader* Conf = new ConfigReader;
// 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] = 1;
}
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 <type:override>
override_t::iterator j = overrides.find(source->oper);
if (j != overrides.end())
{
// its defined, return its value as a boolean for if the token is set
return (j->second.find(token, 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 ((*source->oper) && (CanOverride(source,"KICK")))
{
if (((chan->GetStatus(source) == STATUS_HOP) && (chan->GetStatus(user) == STATUS_OP)) || (chan->GetStatus(source) < STATUS_VOICE))
{
ServerInstance->WriteOpers("*** NOTICE: "+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 (*source->oper)
{
if ((Srv) && (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);
if ((!channel->HasUser(source)) || ((mode != STATUS_HOP) && (mode != STATUS_OP)))
{
switch (access_type)
{
case AC_DEOP:
if (CanOverride(source,"MODEDEOP"))
{
ServerInstance->WriteOpers("*** NOTICE: "+std::string(source->nick)+" Override-Deopped "+std::string(dest->nick)+" on "+std::string(channel->name));
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
case AC_OP:
if (CanOverride(source,"MODEOP"))
{
ServerInstance->WriteOpers("*** NOTICE: "+std::string(source->nick)+" Override-Opped "+std::string(dest->nick)+" on "+std::string(channel->name));
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
case AC_VOICE:
if (CanOverride(source,"MODEVOICE"))
{
ServerInstance->WriteOpers("*** NOTICE: "+std::string(source->nick)+" Override-Voiced "+std::string(dest->nick)+" on "+std::string(channel->name));
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
case AC_DEVOICE:
if (CanOverride(source,"MODEDEVOICE"))
{
ServerInstance->WriteOpers("*** NOTICE: "+std::string(source->nick)+" Override-Devoiced "+std::string(dest->nick)+" on "+std::string(channel->name));
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
case AC_HALFOP:
if (CanOverride(source,"MODEHALFOP"))
{
ServerInstance->WriteOpers("*** NOTICE: "+std::string(source->nick)+" Override-Halfopped "+std::string(dest->nick)+" on "+std::string(channel->name));
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
case AC_DEHALFOP:
if (CanOverride(source,"MODEDEHALFOP"))
{
ServerInstance->WriteOpers("*** NOTICE: "+std::string(source->nick)+" Override-Dehalfopped "+std::string(dest->nick)+" on "+std::string(channel->name));
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
}
}
}
if (CanOverride(source,"OTHERMODE"))
{
return ACR_ALLOW;
}
else
{
return ACR_DEFAULT;
}
}
return ACR_DEFAULT;
}
virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
{
if (*user->oper)
{
if (chan)
{
if ((chan->modes[CM_INVITEONLY]) && (CanOverride(user,"INVITE")))
{
if (NoisyOverride)
{
irc::string x = chan->name;
if (!user->IsInvited(x))
{
/* XXX - Ugly cast for a parameter that isn't used? :< - Om */
chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s invited himself into the channel", cname, user->nick);
}
}
ServerInstance->WriteOpers("*** "+std::string(user->nick)+" used operoverride to bypass +i on "+std::string(cname));
return -1;
}
if ((chan->key[0]) && (CanOverride(user,"KEY")))
{
if (NoisyOverride)
chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s bypassed the channel key", cname, user->nick);
ServerInstance->WriteOpers("*** "+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 passed through your channel limit", cname, user->nick);
ServerInstance->WriteOpers("*** "+std::string(user->nick)+" used operoverride to bypass +l on "+std::string(cname));
return -1;
}
if (CanOverride(user,"BANWALK"))
{
// other join
return -1;
}
}
}
return 0;
}
virtual ~ModuleOverride()
{
}
virtual Version GetVersion()
{
return Version(1,0,0,1,VF_VENDOR);
}
};
class ModuleOverrideFactory : public ModuleFactory
{
public:
ModuleOverrideFactory()
{
}
~ModuleOverrideFactory()
{
}
virtual Module * CreateModule(Server* Me)
{
return new ModuleOverride(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleOverrideFactory;
}
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