通过当前IP获取当前网卡的MAC地址

 

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// test.cpp : 定义控制台应用程序的入口点。

//

#include "stdafx.h"

#include <Windows.h>

#include <IPHlpApi.h>

 

#pragma comment(lib,"Iphlpapi.lib")

#pragma comment(lib,"Ws2_32.lib")

 

/*

根据IP地址获取网卡适配器设备名称

OUT AdapterName:适配器名称缓冲区 IN IP:IP地址(网络字节序)

返回值:TRUE 成功获取

*/

BOOL GetAdapterByIp(PCHAR AdapterName, ULONG IP)

{

    ULONG ulAdapterInfoSize = sizeof(IP_ADAPTER_INFO);

    IP_ADAPTER_INFO *pAdapterInfo = (IP_ADAPTER_INFO*)new char[ulAdapterInfoSize];

    IP_ADAPTER_INFO *pAdapterInfoEnum = NULL;

 

    if( GetAdaptersInfo(pAdapterInfo, &ulAdapterInfoSize) == ERROR_BUFFER_OVERFLOW ){

        // 缓冲区不够大

        delete[] pAdapterInfo;

        pAdapterInfo = (IP_ADAPTER_INFO*)new char[ulAdapterInfoSize];

    }

     

    pAdapterInfoEnum = pAdapterInfo;

    if( GetAdaptersInfo(pAdapterInfoEnum, &ulAdapterInfoSize) == ERROR_SUCCESS ){

        do{     //遍历所有适配器

            if( pAdapterInfoEnum->Type == MIB_IF_TYPE_ETHERNET ){

                // 判断是否为以太网接口

                //pAdapterInfoEnum->Description 是适配器描述

                //pAdapterInfoEnum->AdapterName 是适配器名称

                //pAdapterInfoEnum->Address      是Mac地址

                if ( inet_addr(pAdapterInfoEnum->IpAddressList.IpAddress.String) == IP ){

                    printf( "%s IP: %s GATEIP: %s\n ", pAdapterInfoEnum->AdapterName,

                        pAdapterInfoEnum->IpAddressList.IpAddress.String, pAdapterInfoEnum->GatewayList.IpAddress.String );

                    printf( "MAC: %02X%02X%02X%02X%02X%02X\n", pAdapterInfoEnum->Address[0],pAdapterInfoEnum->Address[1],

                        pAdapterInfoEnum->Address[2],pAdapterInfoEnum->Address[3],pAdapterInfoEnum->Address[4],pAdapterInfoEnum->Address[5]);

                    break;

                }

            }

            pAdapterInfoEnum = pAdapterInfoEnum->Next;

        }while(pAdapterInfoEnum);

    }

    delete []pAdapterInfo;

    return FALSE;

}

 

void test()

{

    char szName[MAX_PATH] = {0};

    int err = gethostname(szName, MAX_PATH);

 

    if( err==SOCKET_ERROR ) {

        printf("gethostname fail %08x\n", WSAGetLastError());

        return;

    }

 

    hostent *pHostent = gethostbyname(szName);

 

    ULONG ulAdapterIp = *(ULONG*)pHostent->h_addr_list[0];

 

    GetAdapterByIp(NULL,ulAdapterIp);

}

 

 

int _tmain(int argc, _TCHAR* argv[])

{

    WSADATA wsaData;

    WSAStartup(MAKEWORD(2,2),&wsaData);

    test();

 

    system("pause");

    return 0;

}