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<?php
/**
* Test class for session save_path
*
* @package PhpSecInfo
* @author Thomas CORBIERE <thomas@votre-grandeur-celeste.com>
*/
/**
* require the PhpSecInfo_Test_Core class
*/
require_once(PHPSECINFO_BASE_DIR.'/Test/Test_Session.php');
/**
* Test class for session save_path
*
* @package PhpSecInfo
*/
class PhpSecInfo_Test_Session_Save_Path extends PhpSecInfo_Test_Session
{
/**
* This should be a <b>unique</b>, human-readable identifier for this test
*
* @var string
*/
var $test_name = "save_path";
var $recommended_value = "A non-world readable/writable directory";
function _retrieveCurrentValue() {
$this->current_value = ini_get('session.save_path');
if( empty($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();
}
}
if( preg_match('/^[0-9]+;(.+)/', $this->current_value, $matches) ) {
$this->current_value = $matches[1];
}
}
/**
* We are disabling this function on Windows OSes right now until
* we can be certain of the proper way to check world-readability
*
* @return unknown
*/
function isTestable() {
if ($this->osIsWindows()) {
return FALSE;
} else {
return TRUE;
}
}
/**
* Check if session.save_path 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
*/
function _execTest() {
$perms = @fileperms($this->current_value);
if ($perms === false) {
return PHPSECINFO_TEST_RESULT_WARN;
} else if ($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 .= " (".substr(sprintf('%o', $perms), -4).")";
return PHPSECINFO_TEST_RESULT_NOTICE;
}
/**
* Set the messages specific to this test
*
*/
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', 'save_path is enabled, which is the
recommended setting. Make sure your save_path path is not world-readable');
$this->setMessageForResult(PHPSECINFO_TEST_RESULT_WARN, 'en', 'unable to retrieve file permissions on save_path');
$this->setMessageForResult(PHPSECINFO_TEST_RESULT_NOTICE, 'en', 'save_path is disabled, or is set to a
common world-writable directory. This typically allows other users on this server
to access session files. You should set save_path to a non-world-readable directory');
}
}
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