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#! /usr/local/bin/php-cgi -f
<?php
/*
 * rc.initial.toggle_sshd
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (C) 2004 Fred Mol <fredmol@xs4all.nl>.
 * Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgment:
 *    "This product includes software developed by the pfSense Project
 *    for use in the pfSense® software distribution. (http://www.pfsense.org/).
 *
 * 4. The names "pfSense" and "pfSense Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    coreteam@pfsense.org.
 *
 * 5. Products derived from this software may not be called "pfSense"
 *    nor may "pfSense" appear in their names without prior written
 *    permission of the Electric Sheep Fencing, LLC.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *
 * "This product includes software developed by the pfSense Project
 * for use in the pfSense software distribution (http://www.pfsense.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

require_once("config.inc");
require_once("functions.inc");
require_once("filter.inc");

conf_mount_rw();

$fp = fopen('php://stdin', 'r');

if (isset($config['system']['enablesshd'])) {
	echo "SSHD is currently enabled.  Would you like to disable? [y/n]? ";
	$yn = chop(fgets($fp));
	if ($yn[0] == "y") {
		unset($config['system']['enablesshd']);
		echo "\nWriting configuration...";
		write_config();
		echo " done.\n";
		echo "\nDisabling SSHD...";
		send_event("service reload sshd");
		echo "\nReloading firewall rules.";
		filter_configure();
		echo " done.\n";
		exec("ps awux | grep '/usr/sbin/sshd' | grep -v grep | awk '{print $2}' | xargs kill");
	}

} else {
	echo "SSHD is currently disabled.  Would you like to enable? [y/n]? ";
	$yn = chop(fgets($fp));
	if ($yn[0] == "y") {
		$config['system']['enablesshd'] = true;
		echo "\nWriting configuration...";
		write_config();
		echo " done.\n";
		echo "\nEnabling SSHD...";
		send_event("service reload sshd");
		echo "\nReloading firewall rules.";
		filter_configure();
		echo " done.\n\n";
	}
}

fclose($fp);

conf_mount_ro();
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