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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* 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;
const char* extenstr;
public:
ModuleWaitPong(InspIRCd* Me)
: Module(Me), extenstr("waitpong_pingstr")
{
OnRehash(NULL);
Implementation eventlist[] = { I_OnUserRegister, I_OnCheckReady, I_OnPreCommand, I_OnRehash, I_OnUserDisconnect, I_OnCleanup };
ServerInstance->Modules->Attach(eventlist, this, 6);
}
virtual void OnRehash(User* user)
{
ConfigReader Conf(ServerInstance);
sendsnotice = Conf.ReadFlag("waitpong", "sendsnotice", 0);
if(Conf.GetError() == CONF_VALUE_NOT_FOUND)
sendsnotice = true;
killonbadreply = Conf.ReadFlag("waitpong", "killonbadreply", 0);
if(Conf.GetError() == CONF_VALUE_NOT_FOUND)
killonbadreply = true;
}
char* RandString(unsigned int length)
{
unsigned char* out = new unsigned char[length+1];
for(unsigned int i = 0; i < length; i++)
out[i] = ((rand() % 26) + 65);
out[length] = '\0';
return (char*)out;
}
virtual int OnUserRegister(User* user)
{
char* pingrpl = RandString(10);
user->Write("PING :%s", pingrpl);
if(sendsnotice)
user->WriteServ("NOTICE %s :*** If you are having problems connecting due to ping timeouts, please type /quote PONG %s or /raw PONG %s now.", user->nick.c_str(), pingrpl, pingrpl);
user->Extend(extenstr, pingrpl);
return 0;
}
virtual int OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User* user, bool validated, const std::string &original_line)
{
if (command == "PONG")
{
char* pingrpl;
user->GetExt(extenstr, pingrpl);
if (pingrpl)
{
if (!parameters.empty() && (strcmp(pingrpl, parameters[0].c_str()) == 0))
{
delete[] pingrpl;
user->Shrink(extenstr);
return 1;
}
else
{
if(killonbadreply)
ServerInstance->Users->QuitUser(user, "Incorrect ping reply for registration");
return 1;
}
}
}
return 0;
}
virtual bool OnCheckReady(User* user)
{
char* pingrpl;
return (!user->GetExt(extenstr, pingrpl));
}
virtual void OnUserDisconnect(User* user)
{
char* pingrpl;
user->GetExt(extenstr, pingrpl);
if (pingrpl)
{
delete[] pingrpl;
user->Shrink(extenstr);
}
}
virtual void OnCleanup(int target_type, void* item)
{
if (target_type == TYPE_USER)
{
User* user = (User*)item;
char* pingrpl;
user->GetExt(extenstr, pingrpl);
if (pingrpl)
{
delete[] pingrpl;
user->Shrink(extenstr);
}
}
}
virtual ~ModuleWaitPong()
{
}
virtual Version GetVersion()
{
return Version("$Id$", VF_VENDOR, API_VERSION);
}
};
MODULE_INIT(ModuleWaitPong)
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