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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 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 "wildcard.h"
/* $ModDesc: Provides support for unreal-style oper-override */
typedef std::map<std::string,std::string> 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;
Implementation eventlist[] = { I_OnRehash, I_OnAccessCheck, I_On005Numeric, I_OnUserPreJoin, I_OnUserPreKick, I_OnPostCommand };
ServerInstance->Modules->Attach(eventlist, this, 6);
}
virtual void OnRehash(User* 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;
}
virtual void OnPostCommand(const std::string &command, const char* const* parameters, int pcnt, User *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(User* source, const 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 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(User* source, User* user, Channel* 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(User* source,User* dest,Channel* 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(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
{
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")) && strcasecmp(keygiven.c_str(), chan->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(1,2,0,1,VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleOverride)
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