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  • 读取以太网卡MAC地址

    编译环境VS2008,UNICODE编码

    #include <atlconv.h>

     BYTE m_MAC[10][6];   //the mac address of this computer, 10 NICs
     int  m_nMAC;
    void CGetAdapterMacDlg::GetMac()
    {
       PIP_ADAPTER_INFO pAdapterInfo;
       PIP_ADAPTER_INFO pAdapter=NULL;
       DWORD dwRetVal=0;
       USES_CONVERSION;
       pAdapterInfo=(IP_ADAPTER_INFO*)malloc(sizeof(IP_ADAPTER_INFO));
       ULONG ulOutBufLen=sizeof(IP_ADAPTER_INFO);

      //获取适配器信息
       if(GetAdaptersInfo(pAdapterInfo,&ulOutBufLen)!=ERROR_SUCCESS)
       {
          GlobalFree(pAdapterInfo);
          pAdapterInfo=(IP_ADAPTER_INFO*)malloc(ulOutBufLen);
       }
       if((dwRetVal=GetAdaptersInfo(pAdapterInfo,&ulOutBufLen))==NO_ERROR)
       {
          pAdapter=pAdapterInfo;
         //遍历适配器

          while(pAdapter)
          {
             if( isLocalNetCard( A2T(pAdapter->AdapterName) ) )
             {
                for(UINT i=0;i<pAdapter->AddressLength;i++)
                {  

                //存储匹配的Mac地址
                   if(pAdapter->AddressLength == 6)
                    m_MAC[m_nMAC][i] = pAdapter->Address[i];    
                }     
                ++m_nMAC;
            }
            pAdapter=pAdapter->Next;
          }
       }
    }

    bool CGetAdapterMacDlg::isLocalNetCard(TCHAR * AdapterName)
    {
       HKEY hKey,hSubKey,hNdiKey,hNdiIntKey;
       //打开注册表
       if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,_T("System\\CurrentControlSet\\Control\\Class\\{4d36e972-e325-11ce-bfc1-08002be10318}"),\
          0,KEY_READ,&hKey)!=ERROR_SUCCESS)
          return FALSE;
     
       DWORD dwIndex = 0;
       DWORD dwBufSize = 256;
       DWORD dwDataType;
       TCHAR szSubKey[256]={0};
       TCHAR szData[256]={0};
     
       //查找物理网卡信息
       while(RegEnumKeyEx(hKey,dwIndex++,szSubKey,&dwBufSize,NULL,NULL,NULL,NULL)==ERROR_SUCCESS)
       {
          if(RegOpenKeyEx(hKey,szSubKey,0,KEY_READ,&hSubKey)==ERROR_SUCCESS)
          {
             int find=0;
             if(RegOpenKeyEx(hSubKey,_T("Ndi"),0,KEY_READ,&hNdiKey)==ERROR_SUCCESS)
             {
                dwBufSize=256;
                if(RegQueryValueEx(hNdiKey, _T("Service"),0,&dwDataType,(LPBYTE)szData,&dwBufSize)==ERROR_SUCCESS)
                {
                   //判断虚拟网卡
                   if(_tcscmp( szData,_T("VMnetAdapter")) == 0)
                      break;
                   else if(RegOpenKeyEx(hSubKey,_T("Ndi\\Interfaces"),0,KEY_READ,&hNdiIntKey)==ERROR_SUCCESS)
                   {
                      dwBufSize=256;
                      if(RegQueryValueEx(hNdiIntKey,_T("LowerRange"),0,&dwDataType,(LPBYTE)szData,&dwBufSize)          ==ERROR_SUCCESS)
                    {
                     //判断是不是以太网卡
                     if(_tcscmp( _T("ethernet"),szData) == 0)
                     {
                        find=1;
                     }//判断是不是无线网卡
                     else if(Stringcmp( _T("ethernet"), szData) == TRUE)
                        find=1;
                  }
                  RegCloseKey(hNdiIntKey);
               }
               RegCloseKey(hNdiKey);
             }
             if(find)
             {
               dwBufSize=256;
               if(RegQueryValueEx(hSubKey, _T("NetCfgInstanceID"), 0, &dwDataType, (LPBYTE)szData, &dwBufSize) == ERROR_SUCCESS)
               {
                  if(_tcscmp(AdapterName, szData) == 0)
                  {
                     //cout<< szData <<endl;
                     RegCloseKey(hSubKey);
                     RegCloseKey(hKey);
                     return true;
                  } 
               }
            }
            RegCloseKey(hSubKey);
          }
        }
        dwBufSize = 256;
       }
       RegCloseKey(hKey);
       return false;
    }

    //////////////////////////////////////////////////////////
    //如果des中有一子串和base相同,则返回true,否则返回false
    //////////////////////////////////////////////////////////
    bool CGetAdapterMacDlg::Stringcmp(TCHAR *base,TCHAR *des)
    {
       int baselen=_tcslen (base);
       int deslen=_tcslen (des);
       TCHAR temp[9] = {0};
       int i = 0;
       int flag = 0;
     
       memset( temp, 0, _tcslen(temp)  );
       for( i=0; i<=( deslen-baselen ); i++ )
       {
          _tcsncpy( temp, des+i, baselen );
          if( _tcscmp(base, temp) == 0 )
          {
             flag = 1;
             break;
          }
       }
     
       if( flag )   

        return TRUE;
      else
         return FALSE;
    }

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  • 原文地址:https://www.cnblogs.com/pbreak/p/1807391.html
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