mac地址绑定

<?php
/**
* FILE_NAME : Macaddr.php
* linux平台获取服务器mac地址
* @filesource
*/
class Macaddr { private static $return_array = array(); //返回带有MAC地址的字串数组
private static $mac_addr; //MAC 地址 public function __construct() {
echo 1;
} /**
* 获取当前机器的MAC地址
*/
public static function getMac() {
$os_type = PHP_OS;
switch ( strtolower($os_type) ) {
case "linux":
self::forLinux();
break;
case "solaris":
break;
case "unix":
break;
case "aix":
break;
default:
self::forWindows();
break;
} $temp_array = array();
foreach (self::$return_array as $row) {
foreach ($row 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, $temp_array) ) {
self::$mac_addr = $temp_array[0];
break;
}
}
if (!empty(self::$mac_addr)) {
break;
}
}
unset($temp_array); return self::$mac_addr;
} private static function forWindows(){
@exec("ipconfig /all", $macInfo);
if ( $macInfo ) {
self::$return_array[] = $macInfo;
} else {
$ipconfig = $_SERVER["WINDIR"]."\system32\ipconfig.exe";
if ( is_file($ipconfig) ) {
@exec($ipconfig." /all", $macInfo);
}else {
@exec($_SERVER["WINDIR"]."\system\ipconfig.exe /all", $macInfo);
} self::$return_array[] = $macInfo;
}
return self::$return_array;
} private static function forLinux(){
@exec("/sbin/ifconfig", $macInfo);
if ( $macInfo ) {
self::$return_array[] = $macInfo;
} else {
$file_arr = array('ifcfg-eth0', 'ifcfg-eth1', 'ifcfg-eth2', 'ifcfg-eth3', 'ifcfg-em1', 'ifcfg-em2', 'ifcfg-em3', 'ifcfg-em4');
foreach ($file_arr as $file) {
if (file_exists('/etc/sysconfig/network-scripts/'.$file)) {
self::$return_array[] = file('/etc/sysconfig/network-scripts/'.$file);
}
}
} return self::$return_array;
}
}/* End of file config.php */
/* Location: ./system/application/config/config.php */
?>

<?php

class A extends CI_Controller {
public function checkMac()
{
$this->load->library('Macaddr');//导入类库
$currentMac = Macaddr::getMac();
$macList = array();//在配置文件中写死

if( !empty($currentMac) && !in_array($currentMac, $macList) ) {
exit();
}

}

}