MFC编程得到网卡MAC地址
用命令行config /all来获取网卡相关的信息，然后重定向到管道，就可以获取各种和网卡相关的信息了。只要能够在机器上执行“ipconfig /all”命令，就可以得到MAC地址，而这个命令在所有的网卡可用的情况下都是可用的。
文件GetMacByCmd.cpp
#include "stdafx.h"
bool GetMacByCmd( CString &strMac )
{
const long MAX_COMMAND_SIZE = 10000;
//获取MAC的命令行
char szFetCmd[] = "ipconfig /all";
//网卡MAC地址的前导信息
const CString str4Search = "Physical Address. . . . . . . . . : ";
strMac = "";
BOOL bRet;
SECURITY_ATTRIBUTES sa;
HANDLE hReadPipe , hWritePipe;
sa.nLength = sizeof( SECURITY_ATTRIBUTES );
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
//创建管道
bRet = CreatePipe( &hReadPipe , &hWritePipe , &sa , 0 );
if( !bRet )
{
return false;
}
//控制命令行窗口信息
STARTUPINFO si;
//返回进程信息
PROCESS_INFORMATION pi;
si.cb = sizeof( STARTUPINFO );
GetStartupInfo( &si );
si.hStdError = hWritePipe;
si.hStdOutput = hWritePipe;
//隐藏命令行窗口
si.wShowWindow = SW_HIDE;
si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
//创建获取命令行进程
bRet = CreateProcess( NULL , szFetCmd , NULL , NULL , TRUE , 0 , NULL , NULL , &si , &pi );
//放置命令行输出缓冲区
char szBuffer[ MAX_COMMAND_SIZE + 1 ];
CString strBuffer;
if( bRet )
{
WaitForSingleObject( pi.hProcess , INFINITE );
unsigned long count;
CloseHandle( hWritePipe );
memset( szBuffer , 0x00 , sizeof( szBuffer ) );
bRet = ReadFile( hReadPipe , szBuffer , MAX_COMMAND_SIZE , &count , 0 );
if( !bRet )
{
//关闭所有的句柄
CloseHandle( hWritePipe );
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
CloseHandle( hReadPipe );
return false;
}
else
{
strBuffer = szBuffer;
long ipos;
ipos = strBuffer.Find( str4Search );
strBuffer = strBuffer.Right( strBuffer.GetLength() - str4Search.GetLength() - ipos );
strBuffer = strBuffer.Left( 17 );
for( int i = 0 ; i < strBuffer.GetLength() ; i++ )
{
if( strBuffer.GetAt( i ) != '-' )
{
strMac.AppendChar( strBuffer.GetAt( i ) );
}
}
return true;
}
}
else
{
return false;
}
}
文件GetMacByCmd.h
#pragma once
bool GetMacByCmd( CString &strMac );
