egroupware_official/phpgwapi/inc/class.auth_ldap.inc.php

76 lines
3.3 KiB
PHP

<?php
/**************************************************************************\
* phpGroupWare API - Auth from LDAP *
* This file written by Lars Kneschke <kneschke@phpgroupware.org> *
* and Joseph Engo <jengo@phpgroupware.org> *
* Authentication based on LDAP Server *
* Copyright (C) 2000, 2001 Joseph Engo *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class auth
{
function authenticate($username, $passwd) {
global $phpgw_info, $phpgw;
// error_reporting MUST be set to zero, otherwise you'll get nasty LDAP errors with a bad login/pass...
// these are just "warnings" and can be ignored.....
error_reporting(0);
$ldap = ldap_connect($phpgw_info["server"]["ldap_host"]);
// find the dn for this uid, the uid is not always in the dn
$sri = ldap_search($ldap, $phpgw_info["server"]["ldap_context"], "uid=$username");
$allValues = ldap_get_entries($ldap, $sri);
if($allValues["count"] > 0)
{
// we only care about the first dn
$userDN = $allValues[0]["dn"];
// generate a bogus password to pass if the user doesn't give us one
// this gets around systems that are anonymous search enabled
if (empty($passwd)) $passwd = crypt(microtime());
// try to bind as the user with user suplied password
if (ldap_bind($ldap,$userDN, $passwd)) return True;
}
// Turn error reporting back to normal
error_reporting(7);
// dn not found or password wrong
return False;
}
function change_password($old_passwd, $new_passwd) {
global $phpgw_info, $phpgw;
$ldap = $phpgw->common->ldapConnect();
$encrypted_passwd = $phpgw->common->encrypt_password($new_passwd);
$entry["userpassword"] = $encrypted_passwd;
#$entry["phpgw_lastpasswd_change"] = time();
$dn = $phpgw_info["user"]["account_dn"];
if (!@ldap_modify($ldap, $dn, $entry)) return false;
return $encrypted_passwd;
}
}
?>