- Output for git.master, git.master_jit
- <html> <head> <!-- This stuff in the header has nothing to do with the level --> <link rel="stylesheet" type="text/css" href="http://natas.labs.overthewire.org/css/level.css"> <link rel="stylesheet" href="http://natas.labs.overthewire.org/css/jquery-ui.css" /> <link rel="stylesheet" href="http://natas.labs.overthewire.org/css/wechall.css" /> <script src="http://natas.labs.overthewire.org/js/jquery-1.9.1.js"></script> <script src="http://natas.labs.overthewire.org/js/jquery-ui.js"></script> <script src=http://natas.labs.overthewire.org/js/wechall-data.js></script><script src="http://natas.labs.overthewire.org/js/wechall.js"></script> <script>var wechallinfo = { "level": "natas11", "pass": "<censored>" };</script></head> <? $defaultdata = array( "showpassword"=>"yes", "bgcolor"=>"#ffffff"); function xor_encrypt($in) { $key = '<censored>'; $text = $in; $outText = ''; // Iterate through each character for($i=0;$i<strlen($text);$i++) { $outText .= $text[$i] ^ $key[$i % strlen($key)]; } return $outText; } function loadData($def) { global $_COOKIE; $mydata = $def; if(array_key_exists("data", $_COOKIE)) { $tempdata = json_decode(xor_encrypt(base64_decode($_COOKIE["data"])), true); if(is_array($tempdata) && array_key_exists("showpassword", $tempdata) && array_key_exists("bgcolor", $tempdata)) { if (preg_match('/^#(?:[a-f\d]{6})$/i', $tempdata['bgcolor'])) { $mydata['showpassword'] = $tempdata['showpassword']; $mydata['bgcolor'] = $tempdata['bgcolor']; } } } return $mydata; } function saveData($d) { setcookie("data", base64_encode(xor_encrypt(json_encode($d)))); } $data = loadData($defaultdata); if(array_key_exists("bgcolor",$_REQUEST)) { if (preg_match('/^#(?:[a-f\d]{6})$/i', $_REQUEST['bgcolor'])) { $data['bgcolor'] = $_REQUEST['bgcolor']; } } saveData($data); ?> <h1>natas11</h1> <div id="content"> <body style="background: Warning: Undefined variable $data in /in/qTKEp on line 63 Warning: Trying to access array offset on value of type null in /in/qTKEp on line 63 ;"> Cookies are protected with XOR encryption<br/><br/> <? if($data["showpassword"] == "yes") { print "The password for natas12 is <censored><br>"; } ?> <form> Background color: <input name=bgcolor value=" Warning: Undefined variable $data in /in/qTKEp on line 74 Warning: Trying to access array offset on value of type null in /in/qTKEp on line 74 "> <input type=submit value="Set color"> </form> <div id="viewsource"><a href="index-source.html">View sourcecode</a></div> </div> </body> </html>
- Output for rfc.property-hooks
- <html> <head> <!-- This stuff in the header has nothing to do with the level --> <link rel="stylesheet" type="text/css" href="http://natas.labs.overthewire.org/css/level.css"> <link rel="stylesheet" href="http://natas.labs.overthewire.org/css/jquery-ui.css" /> <link rel="stylesheet" href="http://natas.labs.overthewire.org/css/wechall.css" /> <script src="http://natas.labs.overthewire.org/js/jquery-1.9.1.js"></script> <script src="http://natas.labs.overthewire.org/js/jquery-ui.js"></script> <script src=http://natas.labs.overthewire.org/js/wechall-data.js></script><script src="http://natas.labs.overthewire.org/js/wechall.js"></script> <script>var wechallinfo = { "level": "natas11", "pass": "<censored>" };</script></head> <? $defaultdata = array( "showpassword"=>"yes", "bgcolor"=>"#ffffff"); function xor_encrypt($in) { $key = '<censored>'; $text = $in; $outText = ''; // Iterate through each character for($i=0;$i<strlen($text);$i++) { $outText .= $text[$i] ^ $key[$i % strlen($key)]; } return $outText; } function loadData($def) { global $_COOKIE; $mydata = $def; if(array_key_exists("data", $_COOKIE)) { $tempdata = json_decode(xor_encrypt(base64_decode($_COOKIE["data"])), true); if(is_array($tempdata) && array_key_exists("showpassword", $tempdata) && array_key_exists("bgcolor", $tempdata)) { if (preg_match('/^#(?:[a-f\d]{6})$/i', $tempdata['bgcolor'])) { $mydata['showpassword'] = $tempdata['showpassword']; $mydata['bgcolor'] = $tempdata['bgcolor']; } } } return $mydata; } function saveData($d) { setcookie("data", base64_encode(xor_encrypt(json_encode($d)))); } $data = loadData($defaultdata); if(array_key_exists("bgcolor",$_REQUEST)) { if (preg_match('/^#(?:[a-f\d]{6})$/i', $_REQUEST['bgcolor'])) { $data['bgcolor'] = $_REQUEST['bgcolor']; } } saveData($data); ?> <h1>natas11</h1> <div id="content"> <body style="background: Warning: Undefined variable $data in /in/qTKEp on line 63 Warning: Trying to access array offset on null in /in/qTKEp on line 63 ;"> Cookies are protected with XOR encryption<br/><br/> <? if($data["showpassword"] == "yes") { print "The password for natas12 is <censored><br>"; } ?> <form> Background color: <input name=bgcolor value=" Warning: Undefined variable $data in /in/qTKEp on line 74 Warning: Trying to access array offset on null in /in/qTKEp on line 74 "> <input type=submit value="Set color"> </form> <div id="viewsource"><a href="index-source.html">View sourcecode</a></div> </div> </body> </html>
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- 2020-03-21 RFC: Is_Literal - declined
- 2020-12-04 Enumerations - included in PHP 8.1
- 2018-06-15 Typed Properties v2 - implemented in PHP 7.4
- 2016-08-12 Object typehint - included in PHP 7.2
- 2016-08-14 Arrow functions - withdrawn
- 2016-05-29 array_change_keys() - withdrawn
- 2016-04-19 Lexical scope support for anonymous classes - suspended
- 2016-04-17 Functional Interfaces - declined
- 2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
- 2015-08-27 Callable Prototypes - declined
- 2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
- 2015-02-18 Scalar type hints v5 - included in PHP 7
- 2015-02-14 Union Types - declined
- 2013-09-22 Anonymous classes - included in PHP 7