Sniffer程序抓不到发往本机的包?解决方案

  SOCKET s = socket(AF_INET, SOCK_RAW, IPPROTO_IP);
    if (INVALID_SOCKET == s)
    {
        printf("create socket fail --- %d\n", WSAGetLastError());
        return 0;
    }

    DWORD flag;
    setsockopt(s, IPPROTO_IP, IP_HDRINCL, (char *)&flag, sizeof(flag));
    
    char szName[200];
    ::gethostname(szName, 199);
    hostent *pHost = ::gethostbyname(szName);

    if (pHost == NULL)
    {
        printf("get local host address fail --- %d\n", WSAGetLastError());
        return 0;
    }

    sockaddr_in addr;
    addr.sin_family = AF_INET;
    addr.sin_addr = *(struct in_addr *)pHost->h_addr_list[0];
    addr.sin_port = htons(57727);

    if (SOCKET_ERROR == ::bind(s, (sockaddr *)&addr, sizeof(addr)))
    {
        printf("bind socket fail --- (%d)\n", WSAGetLastError());
        return 0;
    }
    u_long iMode = 1;
    ioctlsocket(s, SIO_RCVALL, &iMode);

    char buf[65535];
    int iRevLen = 0;

    while(1)
    {
        iRevLen = ::recv(s, buf, 65534, 0);
    
        filter(buf, iRevLen);
    }

sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr = *(struct in_addr *)pHost->h_addr_list[0];
addr.sin_port = htons(57727);

if (SOCKET_ERROR == ::bind(s, (sockaddr *)&addr, sizeof(addr)))

------解决方案--------------------

C/C++ code

#include "stdio.h"
#include "string.h"
#include "Winsock2.h"
#include <ws2tcpip.h>    
#include "mstcpip.h"
#include "time.h"
#pragma comment(lib,"WS2_32.lib")  
int main(int argc, char **argv)
{
    SOCKET SnifferSocket;
    int Result;
    char Packet[60000];
    char Name[255];
    WSADATA wsaData;
    DWORD dwBufferLen[10];
    DWORD dwBufferInLen = 1;
    DWORD dwBytesReturned = 0;
    struct hostent *pHostent;


    Result = WSAStartup(MAKEWORD(2, 2), &wsaData);
    if (Result == SOCKET_ERROR)
    {
        printf("WSAStartup failed with error %d\n", Result);
        return 0;
    } 
    SnifferSocket = socket(AF_INET, SOCK_RAW, IPPROTO_IP);
    if (Result == SOCKET_ERROR)
    {
        printf("socket failed with error %d\n", WSAGetLastError());
        closesocket(SnifferSocket);
        return 0;
    }
    Result = gethostname(Name, 255);
    if (Result == SOCKET_ERROR)
    {
        printf("gethostname failed with error %d\n", WSAGetLastError());
        closesocket(SnifferSocket);
        return 0;
    }
    pHostent = (struct hostent*)malloc(sizeof(struct hostent));
    pHostent = gethostbyname(Name);
    SOCKADDR_IN sock;
    sock.sin_family = AF_INET;
    sock.sin_port = htons(0);
    memcpy(&sock.sin_addr.S_un.S_addr, pHostent->h_addr_list[2], pHostent->h_length);//2?

    printf("\n ip addr is %s\n",inet_ntoa(sock.sin_addr));
    
    Result = bind(SnifferSocket, (PSOCKADDR) &sock, sizeof(sock));
    if (Result == SOCKET_ERROR)
    {
        printf("bind failed with error %d\n", WSAGetLastError());
        closesocket(SnifferSocket);
        return 0;
    } 
    
//    Result = WSAIoctl(SnifferSocket, SIO_RCVALL, &dwBufferInLen, sizeof(dwBufferInLen), 
//        &dwBufferLen, sizeof(dwBufferLen), &dwBytesReturned, NULL, NULL);
    Result =ioctlsocket(SnifferSocket, SIO_RCVALL, &dwBufferInLen);
    
    if (Result == SOCKET_ERROR)
    {
        printf("WSAIoctl failed with error %d\n", WSAGetLastError());
        closesocket(SnifferSocket);
        return 0;
    }
   //  HANDLE hCon= GetStdHandle(STD_OUTPUT_HANDLE);
    //CONSOLE_SCREEN_BUFFER_INFO bInfo;
    //GetConsoleScreenBufferInfo(hCon, &bInfo);
     
    int  packetcount = 0;
    struct sockaddr_in from;//rendb
    int  fromlen ;//rendb 
    time_t temp;
    
    while (true)
    {
        memset(Packet, 0, sizeof(Packet));
      //  Result = recv(SnifferSocket, Packet, sizeof(Packet), 0);
        fromlen=sizeof(from);
        Result = recvfrom(SnifferSocket, Packet, sizeof(Packet), 0,(struct sockaddr*)&from,&fromlen);//WSAEINTR
        if (Result == SOCKET_ERROR)
        {
            printf("recv failed with error %d\n", WSAGetLastError());
            closesocket(SnifferSocket);
            return 0;
        }
      
        packetcount++;
        time(&temp);
    
        printf("Packet:%d Length:%d Time:%s from %s\n", packetcount, Result, 
            ctime(&temp),inet_ntoa(from.sin_addr));
        if (packetcount==70) break;
    }
   // SetConsoleTextAttribute(hCon, bInfo.wAttributes);
    if (closesocket(SnifferSocket) == SOCKET_ERROR)
    {
        printf("closesocket failed with error %d\n", WSAGetLastError());
        return 0;
    }
    if (WSACleanup() == SOCKET_ERROR)
    {
        printf("WSACleanup failed with error %d\n", WSAGetLastError());
        return 0;
    }
    return 1;
}