mirror of
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68 lines
1.8 KiB
PHP
68 lines
1.8 KiB
PHP
<?php
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/**
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* eGroupWare API - Auth from NIS
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*
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* @link http://www.egroupware.org
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* @author * by Dylan Adams <dadams@jhu.edu>
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* Copyright (C) 2001 Dylan Adams
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* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
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* @package api
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* @subpackage authentication
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* @version $Id$
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*/
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/**
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* Auth from NIS
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*/
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class auth_nis implements auth_backend
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{
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/**
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* password authentication
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*
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* @param string $username username of account to authenticate
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* @param string $passwd corresponding password
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* @param string $passwd_type='text' 'text' for cleartext passwords (default)
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* @return boolean true if successful authenticated, false otherwise
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*/
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function authenticate($username, $passwd, $passwd_type='text')
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{
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$domain = yp_get_default_domain();
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if(!empty($GLOBALS['egw_info']['server']['nis_domain']))
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{
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$domain = $GLOBALS['egw_info']['server']['nis_domain'];
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}
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$map = "passwd.byname";
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if(!empty($GLOBALS['egw_info']['server']['nis_map']))
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{
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$map = $GLOBALS['egw_info']['server']['nis_map'];
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}
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$entry = yp_match( $domain, $map, $username );
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/*
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* we assume that the map is structured in the usual
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* unix passwd flavor
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*/
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$entry_array = explode(':', $entry);
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$stored_passwd = $entry_array[1];
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$encrypted_passwd = crypt($passwd, $stored_passwd);
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return($encrypted_passwd == $stored_passwd);
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}
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/**
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* changes password
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*
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* @param string $old_passwd must be cleartext or empty to not to be checked
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* @param string $new_passwd must be cleartext
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* @param int $account_id=0 account id of user whose passwd should be changed
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* @return boolean true if password successful changed, false otherwise
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*/
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function change_password($old_passwd, $new_passwd, $account_id=0)
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{
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// can't change passwords unless server runs as root (bad idea)
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return( False );
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}
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}
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