davical/inc/drivers_squid_pam.php

80 lines
2.2 KiB
PHP

<?php
/**
* Manages PAM repository connection with SQUID help
*
* @package davical
* @category Technical
* @subpackage ldap
* @author Eric Seigne <eric.seigne@ryxeo.com>,
* Andrew McMillan <andrew@mcmillan.net.nz>
* @copyright Eric Seigne
* @license http://gnu.org/copyleft/gpl.html GNU GPL v2 or later
*/
require_once("auth-functions.php");
class squidPamDrivers
{
/**#@+
* @access private
*/
/**#@-*/
/**
* The constructor
*
* @param string $config path where /usr/lib/squid/pam_auth is
*/
function __construct($config) {
global $c;
if (! file_exists($config)){
$c->messages[] = sprintf(i18n( 'drivers_squid_pam : Unable to find %s file'), $config );
$this->valid=false;
return ;
}
}
}
/**
* Check the username / password against the PAM system
*/
function SQUID_PAM_check($username, $password ){
global $c;
$script = $c->authenticate_hook['config']['script'];
if ( empty($script) ) $script = $c->authenticate_hook['config']['path'];
$cmd = sprintf( 'echo %s %s | %s -n common-auth', escapeshellarg($username), escapeshellarg($password),
$script);
$auth_result = exec($cmd);
if ( $auth_result == "OK") {
dbg_error_log('pwauth', 'User %s successfully authenticated', $username);
$principal = new Principal('username',$username);
if ( !$principal->Exists() ) {
dbg_error_log('pwauth', 'User %s does not exist in local db, creating', $username);
$pwent = posix_getpwnam($username);
$gecos = explode(',',$pwent['gecos']);
$fullname = $gecos[0];
$principal->Create( array(
'username' => $username,
'user_active' => 't',
'email' => sprintf('%s@%s', $username, $email_base),
'fullname' => $fullname
));
if ( ! $principal->Exists() ) {
dbg_error_log( "PAM", "Unable to create local principal for '%s'", $username );
return false;
}
CreateHomeCalendar($username);
}
return $principal;
}
else {
dbg_error_log( "PAM", "User %s is not a valid username (or password was wrong)", $username );
return false;
}
}