SetAdapterInfo.rar SetAdapterInfo.cpp

iphlpapi动态库中的隐藏的GetAdaptersInfo函数和SetAdapterIpAddress函数对主机的ip、mask和gateway进行设置

// SetAdapterInfo.cpp : Defines the entry point for the console application.   

//   

   

#include "stdafx.h"   

#include <windows.h>   

#include <Iptypes.h>   

   

#pragma comment(lib,"Ws2_32.lib");   

   

   

typedef DWORD (WINAPI * pfnGetAdaptersInfo)(PIP_ADAPTER_INFO pAdapterInfo,PULONG pOutBufLen);   

typedef DWORD (WINAPI * pfnSetAdapterIpAddress)(char * pszAdapGUID,DWORD dwDHCP,DWORD dwIp,DWORD dwMask,DWORD dwGateway);   

   

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

{   

    HINSTANCE hInstance;   

    pfnSetAdapterIpAddress SetAdapterIpAddress;   

    pfnGetAdaptersInfo GetAdaptersInfo;   

    IP_ADAPTER_INFO ipAdapterInfo;   

    ULONG ulAdapterInfoSize = sizeof(IP_ADAPTER_INFO);   

    if((hInstance=LoadLibrary(_T("iphlpapi")))==NULL)   

    {   

        printf("dll load failed.\n");   

        return -1;   

    }   

    if((GetAdaptersInfo = (pfnGetAdaptersInfo)GetProcAddress(hInstance, "GetAdaptersInfo")) == NULL)   

    {   

        printf("get dll procedure failed.\n");   

        FreeLibrary(hInstance);   

        return -2;   

    }   

    if((GetAdaptersInfo)(&ipAdapterInfo,&ulAdapterInfoSize)!=NO_ERROR )   

    {   

        printf("get network adapter information failed.\n");   

        return -3;   

    }   

    if((SetAdapterIpAddress = (pfnSetAdapterIpAddress)GetProcAddress(hInstance, "SetAdapterIpAddress")) == NULL)   

    {   

        printf("get dll procedure failed.\n");   

        FreeLibrary(hInstance);   

        return -4;   

    }   

    if((SetAdapterIpAddress)(ipAdapterInfo.AdapterName,1,0,0,0)==ERROR_SUCCESS)   

    {   

        printf("Set Ip config to dhcp succeeded.\n");   

    }   

    else   

    {   

        printf("Set Ip config to dhcp failed.\n");   

    }   

       

    printf("Do you want to config static ip address?");   

    char flag;   

    scanf("%c",&flag);   

    if(flag=='y' || flag=='Y')   

    {   

        if((SetAdapterIpAddress)(ipAdapterInfo.AdapterName,0,inet_addr("192.168.0.123"),inet_addr("255.255.255.0"),inet_addr("192.168.0.1"))==ERROR_SUCCESS)   

        {   

            printf("Set Ip config to static ip address succeeded.\n");   

        }   

        else   

        {   

            printf("Set Ip config to static ip address failed.\n");   

        }   

    }   

   

    FreeLibrary(hInstance);   

    return 0;   

}