VS2012 抓包代码

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最新推荐文章于 2025-03-20 17:09:01 发布

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本文链接：https://blog.youkuaiyun.com/mnhdxhcky/article/details/85265588

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本文详细介绍了如何在Visual Studio 2012中进行网络数据包的抓取和分析，包括设置步骤和关键代码实现，帮助开发者进行网络调试。

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// capture.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include "iostream"
#include "winsock2.h"
#include "mstcpip.h"
#pragma comment(lib,"WS2_32")
using namespace std;
void DecodeIPPacket(char * pData);
void DecodeTCPPacket(char * pData);
void DecodeUDPPacket(char * pData);
void DecodeICMPPacket(char * pData);
/*IP分组首部结构*/
typedef struct _IPHeader
{
 unsigned char iphVerLen;
 unsigned char ipTOS;
 unsigned short ipLength;
 unsigned short ipID;
 unsigned short ipFlags;
 unsigned char ipTTL;
 unsigned char ipProtocol;
 unsigned short ipChecksum;
 unsigned long ipSource;
 unsigned long ipDestination;
}IPHeader, * PIPHeader;
/*ICMP包头结构*/
typedef struct icmphdr
{
 char i_type;
 char i_code;
 unsigned short i_cksum;
 unsigned short i_id;
 unsigned short i_seq;
 unsigned long timestamp;
}ICMPHeader;
/*UDP包头结构*/
typedef struct _UDPHeader
{
unsigned short sourcePort;
unsigned short destinationPort;
unsigned short len;
unsigned s