原始套接字抓包源码求 大神修改 VS2010
<p><div class="blockcode"><blockquote>#include<iostream>
#include<stdio.h>
#include<winsock2.h>
#include<ws2tcpip.h>
#pragma comment(lib,"ws2_32")
#define IO_RCVALL _WSAIOW(IOC_VENDOR,1)
typedef struct tcp_hdr
{
unsigned short th_sport;
unsigned short th_dport;
unsigned int th_seq;
unsigned int th_ack;
unsigned char th_lenres;
unsigned char th_flag;
unsigned short th_win;
unsigned short th_sum;
unsigned short th_urp;
}TCP_HEADER;
typedef struct IP_HEAD
{
union
{
unsigned char Version;
unsigned char HeadLen;
};
unsigned char ServiceType;
unsigned short TotalLen;
unsigned short Identifier;
union
{
unsigned short Flags;
unsigned short FragOffset;
};
unsigned char TimeToLive;
unsigned char Protocol;
unsigned short HeadChecksum;
unsigned int SourceAddr;
unsigned int DestinAddr;
unsigned char Options;
}ip_head;
void main(int argc,char *argv[])
{
using namespace std;
argc=2;
if(argc!=2)
{
cout<<endl<<"请以下格式输入命令行:PackParse packet_sum"<<endl;
return;
}
WSADATA WSAData;
if(WSAStartup(MAKEWORD(2,2), &WSAData)!=0)
{
cout<<endl<<"WSASTartup初始化失敗"<<endl;
return;
}
SOCKET sock=socket(AF_INET,SOCK_RAW,IPPROTO_IP);//創建原始套接字
if(sock==INVALID_SOCKET)
{
cout<<endl<<"創建Socket失敗!"<<endl;
goto exit_clean;
}
BOOL flag=TRUE;
if(setsockopt(sock,IPPROTO_IP,IP_HDRINCL,(char*) &flag,sizeof(flag))==SOCKET_ERROR)//設置端口
{
cout<<endl<<"setsockopt操作失敗:"<<WSAGetLastError()<<endl;
goto exit_clean;
}
char hostName;
if(gethostname(hostName,100)==SOCKET_ERROR)//獲取主機名稱
{
cout<<endl<<"gethostname操作失敗:"<<WSAGetLastError()<<endl;
goto exit_clean;
}
hostent *pHostIP;
if((pHostIP=gethostbyname(hostName))==NULL)//獲取主機對應IP地址
{
cout<<endl<<"gethostbyname操作失敗:"<<WSAGetLastError()<<endl;
goto exit_clean;
}
sockaddr_in host_addr;
host_addr.sin_family=AF_INET;
host_addr.sin_port=htons(8000);
host_addr.sin_addr=*(in_addr *)pHostIP->h_addr_list;
if(bind(sock,(SOCKADDR*)&host_addr,sizeof(host_addr))==SOCKET_ERROR)
{
cout<<endl<<"bind操作失敗:"<<WSAGetLastError()<<endl;
goto exit_clean;
}
// char buffer1;
// recv(sock,buffer1,65535,0);
DWORD dwBufferLen;
DWORD dwBufferInLen=1;
DWORD dwBytesReturned=0;
if(WSAIoctl(sock,IO_RCVALL ,&dwBufferInLen ,sizeof(dwBufferInLen) ,&dwBufferLen,sizeof(dwBufferLen),&dwBytesReturned,NULL,NULL)==SOCKET_ERROR)
{
cout<<endl<<"WSAIoctl操作失敗:"<<WSAGetLastError()<<endl;
goto exit_clean;
}
cout<<endl<<"開始解析IP包:"<<endl;
char buffer;
int packsum=atoi("1231");//
for(int i=0;i<packsum;i++)
{
p:
if(recv(sock,buffer,65535,0)>0)
{
ip_head ip=*(ip_head *)buffer;
if((int)ip.Protocol!=IPPROTO_TCP)
{
printf("no Smtp\n");
goto p;
}
printf("is Smet");
cout<<"-----------------------"<<endl;
cout<<"版本:"<<(ip.Version>>4)<<endl;
cout<<"頭部長度:"<<((ip.HeadLen &0x0f)*4)<<endl;
cout<<"服務類型:Priority"<<(ip.ServiceType>>5)<<", Service"<<((ip.ServiceType>>1)&0x0f)<<endl;
cout<<"總長度:"<<ip.TotalLen<<endl;
cout<<"標示符:"<<ip.Identifier<<endl;
cout<<"標志位:"<<((ip.Flags>>15)&0x01)<<",DF= "<<((ip.Flags>>14)&0x01)<<",Mf="<<((ip.Flags>>13)&0x01)<<endl;
cout<<"偏移位:"<<(ip.FragOffset&0x1fff)<<endl;
cout<<"生存周期:"<<(int)ip.TimeToLive<<endl;
cout<<"協議:Protocol: "<<(int)ip.Protocol<<endl;
switch((int)ip.Protocol)
{
case IPPROTO_TCP:
{
printf("----------------TCP----------------- \n");
/*获取 TCP 相关数据 ？？？？？？*/
goto to;
}
case IPPROTO_ICMP:
{
printf("---------------------ICMP--------------- \n");
goto to;
}
case IPPROTO_CBT:
{
printf("------------------CBT---------------- \n");
goto to;
}
case IPPORT_FTP:
{
printf("-----------------FTP------------- \n");
goto to;
}
case IPPORT_SMTP:
{
printf("------------------SMTP------------------ \n");
goto to;
}
}
to:
cout<<"頭部校驗和:"<<ip.HeadChecksum<<endl;
cout<<"原地址:"<<inet_ntoa(*(in_addr *)&ip.SourceAddr)<<endl;
cout<<"目的IP地址:"<<inet_ntoa(*(in_addr *)&ip.DestinAddr)<<endl;
printf("buffer=%d\n",ip.Protocol);
}
}
Sleep(10000);
exit_clean:
closesocket(sock);
WSACleanup();
}
页:
[1]