cPacketGen.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"

#define GENERATE_TCP		1
#define GENERATE_UDP		2
#define GENERATE_ARP		3
#define GENERATE_ICMP		4

#define TCP_ACK				1
#define TCP_SYN				2
#define TCP_FIN				4
#define TCP_RST				8
#define TCP_PSH				16
#define TCP_URG				32

using namespace Packetyzer::Analyzers;

class DLLEXPORT Packetyzer::Generators::cPacketGen
{
	cPacket* Packet;

	UCHAR src_mac_hex[6], dest_mac_hex[6];
	UINT src_ip_hex, dest_ip_hex;
	UCHAR data_offset;
	USHORT total_length;
	UCHAR PacketType;

public:
	cPacketGen(UINT type);
	~cPacketGen();

	UINT GeneratedPacketSize;
	UCHAR* GeneratedPacket;

	UINT IPToLong(const CHAR ip[]);

	BOOL SetMACAddress(string src_mac, string dest_mac);
	BOOL SetIPAddress(string src_ip, string dest_ip);
	BOOL SetPorts(USHORT src_port, USHORT dest_port);

	BOOL CustomizeTCP(UCHAR* tcp_options, UINT tcp_options_size, UCHAR* tcp_data, UINT tcp_data_size, USHORT tcp_flags);
	BOOL CustomizeUDP(UCHAR* udp_data, UINT udp_data_size);
	BOOL CustomizeICMP(UCHAR icmp_type, UCHAR icmp_code, UCHAR* icmp_data, UINT icmp_data_size);
};