egroupware_official/setup/inc/hook_config_validate.inc.php
2005-11-17 10:41:42 +00:00

151 lines
4.6 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.
*/
$GLOBALS['egw_info']['server']['found_validation_hook'] = True;
function mail_server($settings)
{
if (!$settings['mail_server'] || !$settings['mail_server_type'] || !$settings['smtp_server'])
{
$GLOBALS['config_error'] = lang('Missing or uncomplete mailserver configuration');
}
if (@file_exists('../emailadmin/inc/class.bo.inc.php') && $GLOBALS['egw_setup']->table_exist(array('egw_emailadmin')) || true)
{
$emailadmin =& CreateObject('emailadmin.bo',-1,false); // false=no session stuff
if (is_object($emailadmin))
{
$emailadmin->setDefaultProfile($settings);
}
}
}
function temp_dir($settings)
{
if (!check_dir($settings['temp_dir'],$error_msg))
{
$GLOBALS['config_error'] = lang("Your temporary directory '%1' %2",$settings['temp_dir'],$error_msg);
}
}
function files_dir($settings)
{
if (!check_dir($settings['files_dir'],$error_msg,true))
{
$GLOBALS['config_error'] = lang("Your files directory '%1' %2",$settings['files_dir'],$error_msg);
}
}
function backup_dir(&$settings)
{
if (@is_writeable($settings['files_dir']) && !$settings['backup_dir'] && $settings['file_store_contents'] == 'filesystem')
{
$settings['backup_dir'] = $settings['files_dir'].'/db_backup';
}
if (!check_dir($settings['backup_dir'],$error_msg,true))
{
$GLOBALS['config_error'] = lang("Your backup directory '%1' %2",$settings['backup_dir'],$error_msg);
}
}
function _mcrypt_test_module_mode($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'] = lang('Invalid Mcrypt Algorithm/Mode combination');
}
}
}