Tiny iOS UDID retrieval script

getUDID.php

<?
if (isset($_GET["udid"])) exit($_GET["udid"]);
elseif (isset($_GET["grab"])) exit(header("Location: ". $_SERVER["PATH_INFO"] . "?udid=" . substr(strstr(strstr($HTTP_RAW_POST_DATA, '</dict>', true),"<string>"),8,40), true, 301));
	header('Content-type: application/x-apple-aspen-config; chatset=utf-8');
	echo('<?xml version="1.0" encoding="UTF-8"?>');
?>

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>PayloadContent</key>
        <dict>
	        <key>URL</key>
	        <string><?echo("http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]");?>?grab=1</string>
	        <key>DeviceAttributes</key>
	        <array>
		        <string>UDID</string>
	        </array>
        </dict>
        <key>PayloadOrganization</key>
        <string></string>
        <key>PayloadDisplayName</key>
        <string>UDID</string>
        <key>PayloadVersion</key>
        <integer>1</integer>
        <key>PayloadUUID</key>
        <string>9CF421B3-9836-4454-BC8A-982CBD3C943C</string>
        <key>PayloadIdentifier</key>
        <string>be.udid.mini</string>
        <key>PayloadDescription</key>
        <string></string>
        <key>PayloadType</key>
        <string>Profile Service</string>
    </dict>
</plist>