| Server IP : 79.136.114.73 / Your IP : 216.73.216.28 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /home/b8009/php-5.6.22/ext/libxml/tests/ |
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--TEST--
libxml_disable_entity_loader()
--SKIPIF--
<?php if (!extension_loaded('libxml') || !extension_loaded('dom') || defined('PHP_WINDOWS_VERSION_MAJOR')) die('skip'); ?>
--FILE--
<?php
$xml = <<<EOT
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE test [<!ENTITY xxe SYSTEM "XXE_URI">]>
<foo>&xxe;</foo>
EOT;
$xml = str_replace('XXE_URI', __DIR__ . '/libxml_disable_entity_loader_payload.txt', $xml);
function parseXML($xml) {
$doc = new DOMDocument();
$doc->resolveExternals = true;
$doc->substituteEntities = true;
$doc->validateOnParse = false;
$doc->loadXML($xml, 0);
return $doc->saveXML();
}
var_dump(strpos(parseXML($xml), 'SECRET_DATA') !== false);
var_dump(libxml_disable_entity_loader(true));
var_dump(strpos(parseXML($xml), 'SECRET_DATA') === false);
echo "Done\n";
?>
--EXPECTF--
bool(true)
bool(false)
Warning: DOMDocument::loadXML(): I/O warning : failed to load external entity "%s" in %s on line %d
Warning: DOMDocument::loadXML(): Failure to process entity xxe in Entity, line: %d in %s on line %d
Warning: DOMDocument::loadXML(): Entity 'xxe' not defined in Entity, line: %d in %s on line %d
bool(true)
Done