PHP获取windows登录用户名的方法

<?php
/***********************************************************************
************************************************************************
*
* PHP NTLM GET LOGIN 
* Version 0.2.1                  
* Copyright (c) 2004 Nicolas GOLLET ( Nicolas (dot) gollet (at) secusquad (dot) com )
* Copyright (c) 2004 Flextronics Saint-Etienne
*
* This program is free software. You can redistribute it and/or modify 
* it under the terms of the GNU General Public License as published by 
* the Free Software Foundation; either version 2 of the License.    
*
***********************************************************************/session_start();
$headers = apache_request_headers(); // 获取用户头if (@$_SERVER[‘HTTP_VIA‘] != NULL){ // 确认是否使用了代理(proxy),因为ntlm验证不能穿过代理.echo "Proxy bypass!";
}
elseif($headers[‘Authorization‘] == NULL){  //si l‘entete autorisation est inexistante如果许可头不存在header( "HTTP/1.0 401 Unauthorized" );  //envoi au client le mode d‘identificationheader( "WWW-Authenticate: NTLM" );  //dans notre cas le NTLMexit;    //on quitte}
if(isset($headers[‘Authorization‘]))   //dans le cas d‘une authorisation (identification){ 
 if(substr($headers[‘Authorization‘],0,5) == ‘NTLM ‘){ // 确认client是否在ntlm下$chaine=$headers[‘Authorization‘];   
  $chaine=substr($chaine, 5);  // 获取 base64-encoded type1 信息$chained64=base64_decode($chaine); // 解码 base64 到 $chained64if(ord($chained64{8}) == 1){   
  //   |_ byte signifiant l‘etape du processus d‘identification (etape 3) 
  
  // verification du drapeau NTLM "0xb2" ?l‘offset 13 dans le message type-1-message (comp ie 5.5+) :if (ord($chained64[13]) != 178){
   echo "NTLM Flag error!";
   exit;
  }
 
  $retAuth = "NTLMSSP".chr(000).chr(002).chr(000).chr(000).chr(000).chr(000).chr(000).chr(000);
  $retAuth .= chr(000).chr(040).chr(000).chr(000).chr(000).chr(001).chr(130).chr(000).chr(000);
  $retAuth .= chr(000).chr(002).chr(002).chr(002).chr(000).chr(000).chr(000).chr(000).chr(000);
  $retAuth .= chr(000).chr(000).chr(000).chr(000).chr(000).chr(000).chr(000);
   
  $retAuth64 =base64_encode($retAuth); // encode en base64$retAuth64 = trim($retAuth64);  // enleve les espaces de debut et de finheader( "HTTP/1.0 401 Unauthorized" );  // envoi le nouveau headerheader( "WWW-Authenticate: NTLM $retAuth64" ); // avec l‘identification suppl?entaireexit;
   
  }
   
  elseif(ord($chained64{8}) == 3){
  //     |_ byte signifiant l‘etape du processus d‘identification (etape 5)
 
  // on recupere le domaine$lenght_domain = (ord($chained64[31])*256 + ord($chained64[30])); // longueur du domain$offset_domain = (ord($chained64[33])*256 + ord($chained64[32])); // position du domain. $domain = str_replace("\0","",substr($chained64, $offset_domain, $lenght_domain)); // decoupage du du domain
   
  //le login$lenght_login = (ord($chained64[39])*256 + ord($chained64[38])); // longueur du login.$offset_login = (ord($chained64[41])*256 + ord($chained64[40])); // position du login.$login = str_replace("\0","",substr($chained64, $offset_login, $lenght_login)); // decoupage du loginif ( $login != NULL){
   // stockage des donn?s dans des variable de session$_SESSION[‘Login‘]=$login;
   header("Location: newpage.php");
   exit;
  }
  else{
   echo "NT Login empty!";
  }
    
  
  }
 }
}
?>