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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2006-2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
* 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 "inspircd.h"
/* $ModDesc: Allows locking of the server to stop all incoming connections till unlocked again */
/** Adds numerics
* 988 <nick> <servername> :Closed for new connections
* 989 <nick> <servername> :Open for new connections
*/
class CommandLockserv : public Command
{
bool& locked;
public:
CommandLockserv(Module* Creator, bool& lock) : Command(Creator, "LOCKSERV", 0), locked(lock)
{
flags_needed = 'o';
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
if (locked)
{
user->WriteServ("NOTICE %s :The server is already locked.", user->nick.c_str());
return CMD_FAILURE;
}
locked = true;
user->WriteNumeric(988, "%s %s :Closed for new connections", user->nick.c_str(), user->server.c_str());
ServerInstance->SNO->WriteGlobalSno('a', "Oper %s used LOCKSERV to temporarily disallow new connections", user->nick.c_str());
return CMD_SUCCESS;
}
};
class CommandUnlockserv : public Command
{
private:
bool& locked;
public:
CommandUnlockserv(Module* Creator, bool &lock) : Command(Creator, "UNLOCKSERV", 0), locked(lock)
{
flags_needed = 'o';
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
if (!locked)
{
user->WriteServ("NOTICE %s :The server isn't locked.", user->nick.c_str());
return CMD_FAILURE;
}
locked = false;
user->WriteNumeric(989, "%s %s :Open for new connections", user->nick.c_str(), user->server.c_str());
ServerInstance->SNO->WriteGlobalSno('a', "Oper %s used UNLOCKSERV to allow new connections", user->nick.c_str());
return CMD_SUCCESS;
}
};
class ModuleLockserv : public Module
{
private:
bool locked;
CommandLockserv lockcommand;
CommandUnlockserv unlockcommand;
public:
ModuleLockserv() : lockcommand(this, locked), unlockcommand(this, locked)
{
}
void init()
{
locked = false;
ServerInstance->Modules->AddService(lockcommand);
ServerInstance->Modules->AddService(unlockcommand);
Implementation eventlist[] = { I_OnUserRegister, I_OnRehash, I_OnCheckReady };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
virtual ~ModuleLockserv()
{
}
virtual void OnRehash(User* user)
{
// Emergency way to unlock
if (!user) locked = false;
}
virtual ModResult OnUserRegister(LocalUser* user)
{
if (locked)
{
ServerInstance->Users->QuitUser(user, "Server is temporarily closed. Please try again later.");
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
virtual ModResult OnCheckReady(LocalUser* user)
{
return locked ? MOD_RES_DENY : MOD_RES_PASSTHRU;
}
virtual Version GetVersion()
{
return Version("Allows locking of the server to stop all incoming connections until unlocked again", VF_VENDOR);
}
};
MODULE_INIT(ModuleLockserv)
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