php/js获取客户端mac地址的实现代码

<?php  
class macaddr
{  
    public $returnarray = array();   
    public $macaddr;  

    function __contruct($os_type=null){
        if(is_null($os_type)) $os_type = php_os;  
        switch (strtolower($os_type)){  
        case "linux":  
            $this->forlinux();  
            break;  
        case "solaris":  
            break;  
        case "unix":  
            break;  
        case "aix":  
            break;  
        default:  
            $this->forwindows();  
            break;  
        }  
        $temp_array = array();  
        foreach($this->returnarray as $value ){  
            if(preg_match("/[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f]/i", $value, $temp_array)){  
                $this->macaddr = $temp_array[0];  
                break;  
            }  
        }  
        unset($temp_array);  
        return $this->macaddr;  
    }

    function forwindows(){  
        @exec("ipconfig /all", $this->returnarray);  
        if($this->returnarray)  
            return $this->returnarray;  
        else{  
            $ipconfig = $_server["windir"]."system32ipconfig.exe";  
            if (is_file($ipconfig))  
                @exec($ipconfig." /all", $this->returnarray);  
            else 
                @exec($_server["windir"]."systemipconfig.exe /all", $this->returnarray);  
            return $this->returnarray;  
        }  
    }

    function forlinux(){  
        @exec("ifconfig -a", $this->returnarray);  
        return $this->returnarray;  
    }  
}  

$mac = new macaddr(php_os);  
echo $mac->macaddr;  
echo "<br />";

// 获取客户端
// linux
$command = "arp -a {$_server['remote_addr']}";
echo $command;
echo "<br />";
$result=`{$command}`; 

// windows
$command = "nbtstat -a {$_server['remote_addr']}";
echo $command;
echo "<br />";
$result=`{$command}`; 
print_r($result);  
?>

<script language="jscript" event="oncompleted(hresult,perrorobject, pasynccontext)" for="foo">   
document.forms[0].lbmacaddr.value=unescape(macaddr);   
</script>  
<script language="jscript" event="onobjectready(objobject,objasynccontext)" for="foo">   
if(objobject.ipenabled != null && objobject.ipenabled != "undefined" && objobject.ipenabled == true && objobject.macaddress != null && objobject.macaddress != "undefined") macaddr = objobject.macaddress;   
</script>  
<object id="locator" classid="clsid:76a64158-cb41-11d1-8b02-00600806d9b6"></object>  
<object id="foo" classid="clsid:75718c9a-f029-11d1-a1ac-00c04fb6c223"></object>  
<script language="jscript">   
var service = locator.connectserver();   
var macaddr ;   
var ipaddr ;   
var domainaddr;   
var sdnsname;   
service.security_.impersonationlevel=3;   
service.instancesofasync(foo, 'win32_networkadapterconfiguration');   
</script>  
<form><input type="text" id='lbmacaddr' name='lbmacaddr' /></form>