windows原始套接字接受

windows下原始套接字的使用

#include <stdio.h>#include <winsock2.h>#include <ws2tcpip.h>#include <MSTcpIP.h>#pragma comment(lib,"Ws2_32.lib")#define SOURCE_PORT 7234#define MAX_RECEIVEBYTE 255typedef struct ip_hdr //定义IP首部{    unsigned char h_verlen; //4位首部长度,4位IP版本号    unsigned char tos; //8位服务类型TOS    unsigned short total_len; //16位总长度（字节）    unsigned short ident; //16位标识    unsigned short frag_and_flags; //3位标志位    unsigned char ttl; //8位生存时间 TTL    unsigned char proto; //8位协议 (TCP, UDP 或其他)    unsigned short checksum; //16位IP首部校验和    unsigned int sourceIP; //32位源IP地址    unsigned int destIP; //32位目的IP地址}IPHEADER;typedef   struct   _icmphdr //定义ICMP首部 {     BYTE       i_type; //8位类型     BYTE       i_code; //8位代码     USHORT   i_cksum; //16位校验和       USHORT   i_id; //识别号（一般用进程号作为识别号）     USHORT   i_seq; //报文序列号     ULONG     timestamp; //时间戳 }ICMP_HEADER;//CheckSum:计算校验和的子函数USHORT checksum(USHORT *buffer, int size){    unsigned long cksum=0;    while(size >1)    {        cksum+=*buffer++;        size -=sizeof(USHORT);    }    if(size )    {        cksum += *(UCHAR*)buffer;    }    cksum = (cksum >> 16) + (cksum & 0xffff);    cksum += (cksum >>16);    return (USHORT)(~cksum);}int main(int argc, char* argv[]){    int res = 0;    WSADATA WSAData;    SOCKET sock;    SOCKADDR_IN addr_in;    IPHEADER ipHeader;        BOOL flag;    int rect,nTimeOver;    if (WSAStartup(MAKEWORD(2,2), &WSAData)!=0)    {        printf("WSAStartup Error!\n");        return false;    }    res = ~0;    sock=socket(AF_INET, SOCK_RAW, IPPROTO_IP);    //sock = WSASocket(AF_INET, SOCK_RAW, IPPROTO_RAW, NULL, 0, WSA_FLAG_OVERLAPPED);    if(INVALID_SOCKET == sock){        res = -1;    }      flag=true;    if (setsockopt(sock,IPPROTO_IP, IP_HDRINCL,(char *)&flag,sizeof(flag))==SOCKET_ERROR)    {        res = WSAGetLastError();        printf("setsockopt IP_HDRINCL error!\n");        return false;    }    nTimeOver=1000;    if (setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char*)&nTimeOver, sizeof(nTimeOver))==SOCKET_ERROR)    {        printf("setsockopt SO_SNDTIMEO error!\n");        return false;    }    addr_in.sin_family=AF_INET;    addr_in.sin_port=0;    addr_in.sin_addr.S_un.S_addr=inet_addr("192.168.10.55");    res = bind(sock, (sockaddr*)&addr_in, sizeof(addr_in));    u_long dwValue = 1;     res = ioctlsocket(sock, SIO_RCVALL, &dwValue);//     DWORD lpvBuffer = 1;//     DWORD lpcbBytesReturned = 0 ;//     res = WSAIoctl(sock, SIO_RCVALL, &lpvBuffer, sizeof(lpvBuffer), NULL, 0, & lpcbBytesReturned, NULL, NULL);             unsigned char buf[1024 << 4] = {0};     for(int i = 0; ;i++){        memset(buf, 0, sizeof(buf));        rect=recv(sock, (char*)buf, sizeof(buf), 0);        if (rect==SOCKET_ERROR){            printf("send error!:%d\n",WSAGetLastError());            return false;        }else{            unsigned char* p = buf;            if(buf[9] == 0x01){                p += 12;                printf("srcIP:%d.%d.%d.%d  -->  desIP:%d.%d.%d.%d type=%d code=%d\n",                    p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], buf[sizeof(IPHEADER)], buf[sizeof(IPHEADER) + 1]);            }        }    }    closesocket(sock);    WSACleanup();    getchar();    return 0;}