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path: root/plugins/password/drivers/sasl.php
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<?php

/**
 * SASL Password Driver
 *
 * Driver that adds functionality to change the users Cyrus/SASL password.
 * The code is derrived from the Squirrelmail "Change SASL Password" Plugin
 * by Galen Johnson.
 *
 * It only works with saslpasswd2 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 2.0
 * @author Thomas Bruederli
 */

class rcube_sasl_password
{
    function save($currpass, $newpass)
    {
        $curdir = realpath(dirname(__FILE__));
        $username = escapeshellcmd($_SESSION['username']);
        $args = rcmail::get_instance()->config->get('password_saslpasswd_args', '');

        if ($fh = popen("$curdir/chgsaslpasswd -p $args $username", 'w')) {
            fwrite($fh, $newpass."\n");
            $code = pclose($fh);

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

        return PASSWORD_ERROR;
    }
}