egroupware_official/phpgwapi/inc/class.auth_pam.inc.php

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<?php
/**
* eGroupWare API - Auth from PAM
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @subpackage authentication
* @version $Id$
*/
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/**
* Auth from PAM
*
* Requires PHP PAM extension: pecl install pam
*
* To read full name from password file PHP's posix extension is needed (sometimes in package php_process)
*/
class auth_pam implements auth_backend
{
/**
* password authentication
*
* @param string $username username of account to authenticate
* @param string $passwd corresponding password
* @param string $passwd_type='text' 'text' for cleartext passwords (default)
* @return boolean true if successful authenticated, false otherwise
*/
function authenticate($username, $passwd, $passwd_type='text')
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{
if (pam_auth($username, get_magic_quotes_gpc() ? stripslashes($passwd) : $passwd, $error))
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{
// for new accounts read full name from password file and pass it to EGroupware
if (!$GLOBALS['egw']->accounts->name2id($username) &&
function_exists('posix_getpwnam') && ($data = posix_getpwnam($username)))
{
list($fullname) = explode(',',$data['gecos']);
$parts = explode(' ',$fullname);
if (count($parts) > 1)
{
$lastname = array_pop($parts);
$firstname = implode(' ',$parts);
$email = common::email_address($firstname, $lastname, $username);
$GLOBALS['auto_create_acct'] = array(
'firstname' => $firstname,
'lastname' => $lastname,
'email' => $email,
'account_id' => $data['uid'],
);
}
}
return True;
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}
return False;
}
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/**
* changes password
*
* @param string $old_passwd must be cleartext or empty to not to be checked
* @param string $new_passwd must be cleartext
* @param int $account_id=0 account id of user whose passwd should be changed
* @return boolean true if password successful changed, false otherwise
*/
function change_password($old_passwd, $new_passwd, $account_id=0)
{
// deny password changes.
return False;
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}
}