mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 00:13:35 +01:00
136 lines
3.8 KiB
PHP
136 lines
3.8 KiB
PHP
<?php
|
|
/**************************************************************************\
|
|
* eGroupWare *
|
|
* http://www.egroupware.org *
|
|
* Written by Miles Lott <milos@groupwhere.org> *
|
|
* ------------------------------------------------------------------------ *
|
|
* This program is free software; you can redistribute it and/or modify it *
|
|
* under the terms of the GNU General Public License as published by the *
|
|
* Free Software Foundation; either version 2 of the License, or (at your *
|
|
* option) any later version. *
|
|
\**************************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
/*
|
|
Set a global flag to indicate this file was found by setup/config.php.
|
|
config.php will unset it after parsing the form values.
|
|
*/
|
|
$GLOBALS['egw_info']['server']['found_validation_hook'] = True;
|
|
|
|
function in_docroot($path='')
|
|
{
|
|
$docroots = array(EGW_SERVER_ROOT,$_SERVER['DOCUMENT_ROOT']);
|
|
|
|
foreach($docroots as $docroot)
|
|
{
|
|
$len = strlen($docroot);
|
|
|
|
if($docroot == substr($path,0,$len))
|
|
{
|
|
$rest = substr($path,$len);
|
|
|
|
if(!strlen($rest) || $rest[0] == DIRECTORY_SEPARATOR)
|
|
{
|
|
return True;
|
|
}
|
|
}
|
|
}
|
|
return False;
|
|
}
|
|
|
|
function files_dir($settings)
|
|
{
|
|
if(in_docroot($settings['files_dir']))
|
|
{
|
|
$GLOBALS['config_error'] = 'Path to user and group files HAS TO BE OUTSIDE of the webservers document-root!!!';
|
|
}
|
|
}
|
|
|
|
function _mcrypt_test_module_mode($module,$mode)
|
|
{
|
|
/* Data */
|
|
$key = 'this is a very long key, even too long for the cipher';
|
|
$plain_text = 'very important data';
|
|
|
|
/* Open module, and create IV */
|
|
if(!$GLOBALS['td'] = @mcrypt_module_open($module, '',$mode, ''))
|
|
{
|
|
@mcrypt_module_close($GLOBALS['td']);
|
|
return False;
|
|
}
|
|
$key = substr($key, 0, mcrypt_enc_get_key_size($GLOBALS['td']));
|
|
$iv_size = mcrypt_enc_get_iv_size($GLOBALS['td']);
|
|
$iv = @mcrypt_create_iv($iv_size, MCRYPT_RAND);
|
|
|
|
/* Initialize encryption handle */
|
|
if(mcrypt_generic_init($GLOBALS['td'], $key, $iv) != -1)
|
|
{
|
|
/* Encrypt data */
|
|
$c_t = mcrypt_generic($GLOBALS['td'], $plain_text);
|
|
mcrypt_generic_deinit($GLOBALS['td']);
|
|
|
|
// close the module
|
|
mcrypt_module_close($GLOBALS['td']);
|
|
|
|
/* Reinitialize buffers for decryption */
|
|
/* Open module */
|
|
$GLOBALS['td'] = mcrypt_module_open($module, '', $mode, '');
|
|
$key = substr($key, 0, mcrypt_enc_get_key_size($GLOBALS['td']));
|
|
|
|
mcrypt_generic_init($GLOBALS['td'], $key, $iv);
|
|
$p_t = mdecrypt_generic($GLOBALS['td'], $c_t);
|
|
|
|
/* Clean up */
|
|
mcrypt_generic_deinit($GLOBALS['td']);
|
|
mcrypt_module_close($GLOBALS['td']);
|
|
}
|
|
else
|
|
{
|
|
@mcrypt_module_close($GLOBALS['td']);
|
|
}
|
|
return rtrim($p_t) === $plain_text;
|
|
}
|
|
|
|
/* run a self-test through every listed cipher and mode - from robert at peakepro dot com (php.net manual) */
|
|
function mcrypt_check_sanity()
|
|
{
|
|
$modes = mcrypt_list_modes();
|
|
$algorithms = mcrypt_list_algorithms();
|
|
|
|
foreach($algorithms as $cipher)
|
|
{
|
|
if(mcrypt_module_self_test($cipher))
|
|
{
|
|
$GLOBALS['ciphers'][$cipher] = array();
|
|
foreach($modes as $mode)
|
|
{
|
|
if(_mcrypt_test_module_mode($cipher,$mode))
|
|
{
|
|
$result = True;
|
|
}
|
|
else
|
|
{
|
|
$result = False;
|
|
}
|
|
@$GLOBALS['ciphers'][$cipher][$mode] = $result;
|
|
}
|
|
}
|
|
}
|
|
ksort($GLOBALS['ciphers']);
|
|
/* _debug_array($GLOBALS['ciphers']); */
|
|
}
|
|
|
|
function mcrypt_algo($settings)
|
|
{
|
|
/* _debug_array($settings);exit; */
|
|
if(@function_exists('mcrypt_list_modes'))
|
|
{
|
|
mcrypt_check_sanity();
|
|
if(!@$GLOBALS['ciphers'][$settings['mcrypt_algo']][$settings['mcrypt_mode']])
|
|
{
|
|
$GLOBALS['config_error'] = 'Invalid Mcrypt Algorithm/Mode combination';
|
|
}
|
|
}
|
|
}
|