<?php

/**
 * DBMail Password Driver
 *
 * Driver that adds functionality to change the users DBMail password.
 * The code is derrived from the Squirrelmail "Change SASL Password" Plugin
 * by Galen Johnson.
 *
 * It only works with dbmail-users on the same host where Roundcube runs
 * and requires shell access and gcc in order to compile the binary.
 *
 * For installation instructions please read the README file.
 *
 * @version 0.1
 */
 
function password_save($currpass, $newpass)
{
    $curdir = realpath(dirname(__FILE__));
    $username = escapeshellcmd($_SESSION['username']);
    $args = rcmail::get_instance()->config->get('password_dbmailusers_args', '');

    exec("$curdir/chgdbmailusers -c $username -w $newpass $args", $output, $returnvalue);

    if ($returnvalue == 0) {
        return PASSWORD_SUCCESS;
    }
    else {
        raise_error(array(
            'code' => 600,
            'type' => 'php',
            'file' => __FILE__, 'line' => __LINE__,
            'message' => "Password plugin: Unable to execute $curdir/chgdbmailusers"
            ), true, false);
    }

    return PASSWORD_ERROR;
}

?>