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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
* Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
*
* 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: Forces connecting clients to send a PONG message back to the server before they can complete their connection */
class ModuleWaitPong : public Module
{
bool sendsnotice;
bool killonbadreply;
LocalStringExt ext;
public:
ModuleWaitPong()
: ext("waitpong_pingstr", this)
{
}
void init() CXX11_OVERRIDE
{
ServerInstance->Modules->AddService(ext);
OnRehash(NULL);
Implementation eventlist[] = { I_OnUserRegister, I_OnCheckReady, I_OnPreCommand, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
void OnRehash(User* user) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("waitpong");
sendsnotice = tag->getBool("sendsnotice", true);
killonbadreply = tag->getBool("killonbadreply", true);
}
ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE
{
std::string pingrpl = ServerInstance->GenRandomStr(10);
user->Write("PING :%s", pingrpl.c_str());
if(sendsnotice)
user->WriteNotice("*** If you are having problems connecting due to ping timeouts, please type /quote PONG " + pingrpl + " or /raw PONG " + pingrpl + " now.");
ext.set(user, pingrpl);
return MOD_RES_PASSTHRU;
}
ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser* user, bool validated, const std::string &original_line) CXX11_OVERRIDE
{
if (command == "PONG")
{
std::string* pingrpl = ext.get(user);
if (pingrpl)
{
if (!parameters.empty() && *pingrpl == parameters[0])
{
ext.unset(user);
return MOD_RES_DENY;
}
else
{
if(killonbadreply)
ServerInstance->Users->QuitUser(user, "Incorrect ping reply for registration");
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnCheckReady(LocalUser* user) CXX11_OVERRIDE
{
return ext.get(user) ? MOD_RES_DENY : MOD_RES_PASSTHRU;
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Require pong prior to registration", VF_VENDOR);
}
};
MODULE_INIT(ModuleWaitPong)
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