phpsecinfo/PhpSecInfo/Test/Core/upload_tmp_dir.php
<?php
declare(strict_types=1);
/**
* Test Class for upload_tmp_dir
* @author Ed Finkler <coj@funkatron.com>
*/
/**
* Require the PhpSecInfo_Test_Core class
*/
//require_once('PhpSecInfo/Test/Test_Core.php');
require_once dirname(__DIR__) . '/Test_Core.php';
/**
* Test Class for upload_tmp_dir
*/
class PhpSecInfo_Test_Core_Upload_Tmp_Dir extends PhpSecInfo_Test_Core
{
/**
* This should be a <b>unique</b>, human-readable identifier for this test
*
* @public string
*/
public $test_name = 'upload_tmp_dir';
public $recommended_value = 'A non-world readable/writable directory';
public function _retrieveCurrentValue()
{
$this->current_value = ini_get('upload_tmp_dir');
if (empty($this->current_value)) {
if (function_exists('sys_get_temp_dir')) {
$this->current_value = sys_get_temp_dir();
} else {
$this->current_value = $this->sys_get_temp_dir();
}
}
}
/**
* We are disabling this function on Windows OSes right now until
* we can be certain of the proper way to check world-readability
*
* @return bool
*/
public function isTestable()
{
if ($this->osIsWindows()) {
return false;
}
return true;
}
/**
* Check if upload_tmp_dir matches PHPSECINFO_TEST_COMMON_TMPDIR, or is
* word-writable
*
* This is still unix-specific, and it's possible that for now
* this test should be disabled under Windows builds.
*
* @see PHPSECINFO_TEST_COMMON_TMPDIR
*/
public function _execTest()
{
$perms = @fileperms($this->current_value);
if (false === $perms) {
return PHPSECINFO_TEST_RESULT_WARN;
}
if ($this->current_value
/* && !preg_match("|" . PHPSECINFO_TEST_COMMON_TMPDIR . "/?|", $this->current_value) */
&& !preg_match('%^' . PHPSECINFO_TEST_COMMON_TMPDIR . '(/|$)%', $this->current_value)
&& !($perms & 0x0004)
&& !($perms & 0x0002)) {
return PHPSECINFO_TEST_RESULT_OK;
}
// Rewrite current_value to display perms
$this->current_value .= ' (' . mb_substr(sprintf('%o', $perms), -4) . ')';
return PHPSECINFO_TEST_RESULT_NOTICE;
}
/**
* Set the messages specific to this test
*/
public function _setMessages()
{
parent::_setMessages();
$this->setMessageForResult(PHPSECINFO_TEST_RESULT_NOTRUN, 'en', 'Test not run -- currently disabled on Windows OSes');
$this->setMessageForResult(PHPSECINFO_TEST_RESULT_OK, 'en', 'upload_tmp_dir is enabled, which is the recommended setting.');
$this->setMessageForResult(PHPSECINFO_TEST_RESULT_WARN, 'en', 'Unable to retrieve file permissions on upload_tmp_dir');
$this->setMessageForResult(PHPSECINFO_TEST_RESULT_NOTICE, 'en', 'upload_tmp_dir is disabled, or you use the /tmp directory but
this naming is not allowed for this test and you must provide a custom directory, or is set
to a common world-writable directory (xx5). This typically allows other users on this server
to access temporary copies of files uploaded via your PHP scripts. You should set
upload_tmp_dir to a non-world-readable directory (7x0)');
}
}