显示出创建套接字失败，求教大佬？

nbanba123456890 2018-05-29 11:14:34

#include "winsock2.h"

#include "ws2tcpip.h"

#include <windows.h>

#include <fstream>

#include <iostream>

#pragma comment(lib,"ws2_32") 

using namespace std;

typedef struct _IP_HEADER

{

	union

	{

		BYTE Version;

		BYTE HdrLen;

	};

	BYTE ServiceType;

	WORD TotalLen;

	WORD ID;

	union

	{

		WORD Flags;

		WORD Fragoff;

	};

	BYTE TimeToLive;

	BYTE Protocol;

	WORD HdrChksum;

	DWORD SrcAddr;

	DWORD DstAddr;

	BYTE Options;



}IP_HEADER;



int main()

{

	SOCKET sock;

	WSADATA wsData;

	ofstream ofs("ip.log", ios::app);

	if (WSAStartup(MAKEWORD(2, 2), &wsData) != 0)

	{

		printf("WSAStartup failed!\n");

		return -1;

	}

	if ((sock = socket(AF_INET, SOCK_RAW, IPPROTO_IP)) == INVALID_SOCKET)

	{

		printf("create socket failed\n");

		return -1;

	}



	BOOL flag = true;

	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, (char*)&flag, sizeof(flag)) == SOCKET_ERROR)

	{

		printf("setsockopt failed!\n");

		return -1;

	}

	char hostName[128];

	if (gethostname(hostName, 100) == SOCKET_ERROR)

	{

		printf("gethostname failed!\n");

		return -1;

	}

	hostent* pHostIP;

	if ((pHostIP = gethostbyname(hostName)) == NULL)

	{

		printf("gethostbyname failed\n");

		return -1;

	}

	sockaddr_in addr_in;

	addr_in.sin_addr = *(in_addr*)pHostIP->h_addr_list[0];

	addr_in.sin_family = AF_INET;

	addr_in.sin_port = htons(6000);

	if (bind(sock, (PSOCKADDR)&addr_in, sizeof(addr_in)) == SOCKET_ERROR)

	{

		printf("bind failed\n");

		return -1;

	}

#define IO_RCVALL _WSAIOW(IOC_VENDOR,1)

	DWORD dwBufferLen[10];

	DWORD dwBufferInLen = 1;

	DWORD dwBytesReturned = 0;

	char buffer[100];

	if (WSAIoctl(sock, IO_RCVALL, &dwBufferInLen, sizeof(dwBufferInLen),

		&dwBufferLen, sizeof(dwBufferLen), &dwBytesReturned, NULL, NULL) == SOCKET_ERROR)

	{

		printf("ioctlsocket faild\n");

		return -1;

	}



	printf("Analysis IP Packet !\n\n");

	string s;

	char * p;

	char buffer1[100];

	while (true)

	{

		int size = recv(sock, buffer, sizeof(buffer), 0);

		IP_HEADER ip = *(IP_HEADER *)buffer;

		cout << "-----------------------" << endl;

		s += "\n-----------------------\n";

		cout << "Version: " << (ip.Version >> 4) << endl;

		_itoa_s(ip.Version >> 4, buffer1, 10);

		s += "Version: ";

		s += buffer1;

		s += "\n";

		cout << "IHL: " << ((ip.HdrLen & 0x0f) * 4) << endl;

		s += "IHL:";

		_itoa_s((ip.HdrLen & 0x0f) * 4, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Type of service: Priority" << (ip.ServiceType >> 5) <<

			", Service" << ((ip.ServiceType >> 1) & 0x0f) << endl;

		s += "Type of service: Priority";

		_itoa_s(ip.ServiceType >> 5, buffer1, 10);

		s += buffer1;

		s += ", Service";

		_itoa_s((ip.ServiceType >> 1) & 0x0f, buffer1, 10);

		s += buffer1;

		s += "\n";



		cout << "TOtal Length: " << ip.TotalLen << endl;

		s += "TOtal Length: ";

		_itoa_s(ip.TotalLen, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Identifcation: " << ip.ID << endl;

		s += "Identifcation: ";

		_itoa_s(ip.ID, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "sign: " << ((ip.Flags >> 15) & 0x01) << ", DF = " <<

			((ip.Flags >> 14) & 0x01) << ", Mf = " << ((ip.Flags >> 13) & 0x01) << endl;

		s += "sign: ";

		_itoa_s((ip.Flags >> 15) & 0x01, buffer1, 10);

		s += buffer1;

		s += ", DF = ";

		_itoa_s((ip.Flags >> 14) & 0x01, buffer1, 10);

		s += buffer1;

		s += ", Mf = ";

		_itoa_s((ip.Flags >> 13) & 0x01, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Fragment offset: " << (ip.Fragoff & 0x1fff) << endl;

		s += "Fragment offset: ";

		_itoa_s(ip.Fragoff & 0x1fff, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Time to live: " << (int)ip.TimeToLive << endl;

		s += "Time to live: ";

		_itoa_s((int)ip.TimeToLive, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Protocol:" << (int)ip.Protocol << endl;

		s += "Protocol:";

		_itoa_s((int)ip.Protocol, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Header Checksum: " << ip.HdrChksum << endl;

		s += "Header Checksum: ";

		_itoa_s(ip.HdrChksum, buffer1, 10);

		s += buffer1;

		s += "\n";

		cout << "Source address: " << inet_ntoa(*(in_addr *)&ip.SrcAddr) << endl;

		s += "Source address: ";

		s += inet_ntoa(*(in_addr *)&ip.SrcAddr);

		s += "\n";

		cout << "Destination address: " << inet_ntoa(*(in_addr *)&ip.DstAddr) << endl;

		s += "Destination address: ";

		s += inet_ntoa(*(in_addr *)&ip.DstAddr);

		s += "\n";

		p = &s[0];

		ofs.write(p, strlen(p));

	}

	::closesocket(sock);

	::WSACleanup();

	return 0;

}