sendippack.h

VC编写的简单发包程序和内存分配。内涵源码和测试。

// SendIpPack.h: interface for the SendIpPack class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SENDIPPACK_H__23B851EE_46DA_43B6_B934_BD6D42977634__INCLUDED_)
#define AFX_SENDIPPACK_H__23B851EE_46DA_43B6_B934_BD6D42977634__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <Winsock2.h>
#include <Ws2tcpip.h>//

//__________________________________________________________________
#pragma pack(1)
//#include "stdafx.h"
//#define SRCRAND    rand()%255

#define WIN32_LEAN_AND_MEAN 


#define OICQ_MAX_PACKET 1024
#define OICQ_MAX_MSG 512
#define OICQ_MSG_LEN 45
//#define SRC_IP   "192.168.0.13"  /*//"127.0.0.1"192.168.SRCRAND.SRCRAND*/
//#define SRC_PORT 45
#define DST_PORT 4357

#define ICMP		0x01
#define IGMP		0x02
#define TCP			0x06
#define UDP			0x11

typedef struct  lp_interface
{
	char in_protocol;
	char in_destaddr[16];
	UINT in_destport;
}LP_INTER;


//_________________________________________________________________

class CSendIpPack  
{
public:
	CSendIpPack();
	virtual ~CSendIpPack();
	LP_INTER m_p;
	UINT SendIP(DWORD m_sleep,int m_speed);
	UINT SendIP(int m_speed);
	UINT SendIP();


protected:
	LPSTR GetLocalIpAddr();


	USHORT CheckSum(USHORT *buffer, int size);

	//////////////////////////////////////
protected:

	typedef struct ip_hdr
	{
		unsigned char ip_verlen; 
		unsigned char ip_tos; 
		unsigned short ip_totallength; 
		unsigned short ip_id; 
		unsigned short ip_offset; 
		unsigned char ip_ttl; 
		unsigned char ip_protocol; 
		unsigned short ip_checksum; 
		unsigned int ip_srcaddr; 
		unsigned int ip_destaddr; 
	}IP_HDR;

 

	typedef struct udp_hdr
	{
		unsigned short src_portno; 
		unsigned short dst_portno; 
		unsigned short udp_length; 
		unsigned short udp_checksum; 
	}UDP_HDR;
};

#endif // !defined(AFX_SENDIPPACK_H__23B851EE_46DA_43B6_B934_BD6D42977634__INCLUDED_)