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

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<?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
{
var $previous_login = -1;
function authenticate($username, $passwd)
{
/*
error_reporting MUST be set to zero, otherwise you'll get nasty LDAP errors with a bad login/pass...
these are just "warnings" and can be ignored.....
*/
error_reporting(0);
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if(!$ldap = @ldap_connect($GLOBALS['phpgw_info']['server']['ldap_host']))
{
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$GLOBALS['phpgw']->log->message('F-Abort, Failed connecting to LDAP server for authenication, execution stopped');
$GLOBALS['phpgw']->log->commit();
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return False;
}
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/* Login with the LDAP Admin. User to find the User DN. */
if(!@ldap_bind($ldap, $GLOBALS['phpgw_info']['server']['ldap_root_dn'], $GLOBALS['phpgw_info']['server']['ldap_root_pw']))
{
return False;
}
/* find the dn for this uid, the uid is not always in the dn */
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$attributes = array( "uid", "dn" );
$sri = ldap_search($ldap, $GLOBALS['phpgw_info']['server']['ldap_context'], "(uid=$username)", $attributes);
$allValues = ldap_get_entries($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))
{
$passwd = crypt(microtime());
}
/* try to bind as the user with user suplied password */
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if (@ldap_bind($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, $_account_id='')
{
if ('' == $_account_id)
{
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$_account_id = $GLOBALS['phpgw_info']['user']['account_id'];
}
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$ds = $GLOBALS['phpgw']->common->ldapConnect();
$sri = ldap_search($ds, $GLOBALS['phpgw_info']['server']['ldap_context'], "uidnumber=$_account_id");
$allValues = ldap_get_entries($ds, $sri);
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$entry['userpassword'] = $GLOBALS['phpgw']->common->encrypt_password($new_passwd);
$dn = $allValues[0]['dn'];
if (!@ldap_modify($ds, $dn, $entry))
{
return false;
}
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$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
return $encrypted_passwd;
}
/* This data needs to be updated in LDAP, not SQL (jengo) */
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function old_update_lastlogin($account_id, $ip)
{
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$GLOBALS['phpgw']->db->query("SELECT account_lastlogin FROM phpgw_accounts WHERE account_id='$account_id'",__LINE__,__FILE__);
$GLOBALS['phpgw']->db->next_record();
$this->previous_login = $GLOBALS['phpgw']->db->f('account_lastlogin');
$now = time();
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$GLOBALS['phpgw']->db->query("UPDATE phpgw_accounts SET account_lastloginfrom='"
. "$ip', account_lastlogin='" . $now
. "' WHERE account_id='$account_id'",__LINE__,__FILE__);
}
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function update_lastlogin($_account_id, $ip)
{
$entry['phpgwaccountlastlogin'] = time();
$entry['phpgwaccountlastloginfrom'] = $ip;
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$ds = $GLOBALS['phpgw']->common->ldapConnect();
$sri = ldap_search($ds, $GLOBALS['phpgw_info']['server']['ldap_context'], 'uidnumber=' . $_account_id);
$allValues = ldap_get_entries($ds, $sri);
$dn = $allValues[0]['dn'];
$this->previous_login = $allValues[0]['phpgwaccountlastlogin'][0];
@ldap_modify($ds, $dn, $entry);
}
}
?>