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* NTLM authentication: limit redirect, if NTLM auth could not be performed, to same domain, EGroupware domain, or explicitly whitelisted domains

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to fix issue "found" on www.autosectools.com
This commit is contained in:
Ralf Becker 2011-08-04 08:06:28 +00:00
parent e1ef462312
commit 57238a8551
1 changed files with 29 additions and 4 deletions
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33
phpgwapi/ntlm/index.php
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@ -7,10 +7,35 @@
* @package api
* @subpackage authentication
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @copyright (c) 2008 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @copyright (c) 2008-2011 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @version $Id$
*/
/**
* Check if given domain is either whitelisted, the current one or the EGroupware one
*
* Used to NOT redirect to arbitrary urls.
*
* @param string $url full url or just path, later is always allowed, as it stays within the domain
* @return boolean
*/
function check_domain($url)
{
$whitelisted = array(
$_SERVER['HTTP_HOST'], // can contain :port
// add additional domains-names (just full qualified hostnames) here
);
if ($GLOBALS['egw_info']['server']['webserver_url'][0] === 'h')
{
$whitelisted[] = parse_url($GLOBALS['egw_info']['server']['webserver_url'], PHP_URL_HOST);
}
$parts = parse_url($url);
$host = $parts['host'].($parts['port'] ? ':'.$parts['port'] : '');
return $url[0] == '/' || in_array($host, $whitelisted);
}
/**
* check if the given user has access
*
@ -22,7 +47,7 @@
function check_access(&$account)
{
//error_log("AUTH_TYPE={$_SERVER['AUTH_TYPE']}, REMOTE_USER={$_SERVER['REMOTE_USER']}, HTTP_USER_AGENT={$_SERVER['HTTP_USER_AGENT']}, http_auth_types={$GLOBALS['egw_info']['server']['http_auth_types']}");
if (isset($_SERVER['REMOTE_USER']) && $_SERVER['REMOTE_USER'] && isset($_SERVER['AUTH_TYPE']) &&
isset($GLOBALS['egw_info']['server']['http_auth_types']) && $GLOBALS['egw_info']['server']['http_auth_types'] &&
in_array(strtoupper($_SERVER['AUTH_TYPE']),explode(',',strtoupper($GLOBALS['egw_info']['server']['http_auth_types']))))
@ -36,7 +61,7 @@ function check_access(&$account)
}
if (!$sessionid)
{
if (isset($_GET['forward']))
if (isset($_GET['forward']) && check_domain($_GET['forward']))
{
header('Location: '.$_GET['forward']);
}
@ -57,7 +82,7 @@ $GLOBALS['egw_info']['flags'] = array(
// if you move this file somewhere else, you need to adapt the path to the header!
include(dirname(__FILE__).'/../../header.inc.php');
if (isset($_GET['forward']))
if (isset($_GET['forward']) && check_domain($_GET['forward']))
{
$forward = $_GET['forward'];
$GLOBALS['egw']->session->appsession('referer', 'login', $forward);