PHP破解163相册外连

<?php
ob_start();
$img=$_GET[url];

$host=$path=str_replace(http://,,$img);
$host=explode(/,$host);
$host=$host[0];
$path=strstr($path,/);
$fp = fsockopen($host, 80, $errno, $errstr, 30);
if ($fp)
{
@fputs($fp, "GET $path HTTP/1.1 ");
@fputs($fp, "Host: $host ");
@fputs($fp, "Accept: */* ");
@fputs($fp, "Referer: http://$host/ ");
@fputs($fp, "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ");
@fputs($fp, "Connection: Close ");
}

$Content = ;
while ($str = fread($fp, 4096))
$Content .= $str;
@fclose($fp);
$pos=strpos($Content," ");
$head=substr($Content,0,$pos);
$text=substr($Content,$pos+4);
header("Content-Type: image/jpeg");
echo $text;
?>