cDNSStream.h

/*
 *
 *  Copyright (C) 2013  Anwar Mohamed <anwarelmakrahy[at]gmail.com>
 *
 *  This program 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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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, write to Anwar Mohamed
 *  anwarelmakrahy[at]gmail.com
 *
 */

#pragma once
#include "Packetyzer.h"

class DLLEXPORT Packetyzer::Traffic::Streams::cDNSStream : public Packetyzer::Traffic::Streams::cUDPStream
{
private:
	DNS_HEADER* DNSHeader;
	QUERY* DNSQuery;
	RES_RECORD* QueryResponse;
	UCHAR* ResponseBase;

	UINT NameSize;
	UINT current,offset, step, i;
	void AnalyzeProtocol();
public:
	static BOOL Identify(cPacket* Packet);

	UCHAR* RequestedDomain;

	UINT* ResolvedIPs;
	UINT nResolvedIPs;

	UINT Requester;
	BOOL DomainIsFound;

	cDNSStream();
	virtual ~cDNSStream();

	BOOL AddPacket(cPacket* Packet);
};