#!/usr/local/bin/php
<?php

/*
	Copyright (C) 2004-2009 Scott Ullrich <sullrich@pfsense.org>.
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	Copyright (C) 2009 Erik Kristensen
	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.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS 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
	AUTHOR 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.
*/

function is_install_media()
{
	/*
	 * Despite unionfs underneath, / is still not writeable,
	 * making the following the perfect test for install media.
	 */

	$file = '/.probe.for.install.media';
	$fd = @fopen($file, 'w');
	if ($fd) {
		fclose($fd);
		unlink($file);
		return false;
	}

	return true;
}

function is_interface_mismatch()
{
	global $config;

	$do_assign = false;
	$i = 0;

	if (isset($config['interfaces'])) {
		foreach ($config['interfaces'] as $ifname => $ifcfg) {
			if (preg_match("/^enc|^cua|^tun|^tap|^l2tp|^pptp|^ppp|^ovpn|^gif|^gre|^lagg|^bridge|vlan|_wlan/i", $ifcfg['if'])) {
				/* Do not check these interfaces */
				$i++;
				continue;
			} elseif (does_interface_exist($ifcfg['if']) == false) {
				$do_assign = true;
			} else {
				$i++;
			}
		}
	}

	return $do_assign;
}



function rescue_detect_keypress()
{
	$timeout = 9;

	echo "\n";
	echo "(I)nstaller will be invoked by default.\n\n";
	echo "(C)ontinue with LiveCD bootup instead.\n\n";
	echo "(R)ecovery mode escapes to a root shell.\n\n";
	echo "Timeout before auto boot continues (seconds): {$timeout}";

	$key = null;
	exec("/bin/stty erase " . chr(8));
	while (!in_array($key, array("c", "C", "r","R", "i", "I"))) {
	        echo chr(8) . "{$timeout}";
	        `/bin/stty -icanon min 0 time 25`;
	        $key = trim(`KEY=\`dd count=1 2>/dev/null\`; echo \$KEY`);
	        `/bin/stty icanon`;
	        // Decrement our timeout value
	        $timeout--;
	        // If we have reached 0 exit and continue on
	        if ($timeout == 0) {
			break;
		}
	}

	echo "\n\n";

	if (in_array($key, array("r", "R"))) {
		echo "Recovery shell selected...\n\n";
		touch("/tmp/donotbootup");
		exit;
	} elseif (in_array($key, array("c", "C"))) {
		/* nothing */
	} else {
		echo "Installer mode selected...\n";
		passthru("/usr/local/etc/rc.installer");
		if (file_exists("/tmp/install_complete")) {
			passthru("/usr/local/etc/rc.reboot");
			exit;
		}
	}
}

echo " done.\n";

echo "Initializing...";
echo ".";
require_once("led.inc");
led_normalize();
echo ".";
if (led_count() >= 3) {
	led_kitt();
}

/* parse the configuration and include all functions used below */
require_once("config.inc");
echo ".";
require_once("config.console.inc");
echo ".";
require_once("auth.inc");
echo ".";
require_once("util.inc");
echo ".";
require_once("interfaces.inc");
echo ".";
require_once("services.inc");
echo ".";
require_once("pfsense-utils.inc");
echo ".";
require_once("system.inc");
echo ".";
require_once("unbound.inc");
echo ".";
require_once("vslb.inc");
echo ".";
require_once("filter.inc");
echo ".";
require_once("plugins.inc");
echo ".";
require_once("ipsec.inc");
echo ".";
require_once("openvpn.inc");
echo ".";
require_once("rrd.inc");
echo ".";
echo " done.\n";

/* start devd (dhclient now uses it) */
echo "Starting device manager (devd)...";
mute_kernel_msgs();
exec('/sbin/devd');
sleep(1);
set_device_perms();
unmute_kernel_msgs();
echo "done.\n";

/* Display live system's early boot options */
if (is_install_media()) {
	rescue_detect_keypress();
        // config may have changed (copied by installer)
        OPNsense\Core\Config::getInstance()->forceReload();
}

echo "Loading configuration...";
global $config;
$config = parse_config();
convert_config();
echo "done.\n";

/*
 *  Determine if we need to throw a interface exception
 *  and ask the user to reassign interfaces.  This will
 *  avoid a reboot and thats a good thing.
 */
if (is_interface_mismatch()) {
	echo PHP_EOL . gettext('Default interfaces not found -- Running interface assignment option.') . PHP_EOL;

	led_assigninterfaces();
	while (!set_networking_interfaces_ports(true));
	led_kitt();
}

/* load extra modules not in GENERIC */
load_kernel_module();

/* enable optional crypto modules */
load_crypto_module();

/* enable optional thermal sensor modules */
load_thermal_module();

/* read in /etc/sysctl.conf and set values if needed */
echo "Setting up extended sysctls...";
system_setup_sysctl();
echo "done.\n";

/* set up our timezone */
system_timezone_configure();

/* set up firmware configuration */
system_firmware_configure();

/* set up our hostname */
system_hostname_configure();

/* make hosts file */
system_hosts_generate();

/* configure loopback interface */
interfaces_loopback_configure();

/* start syslogd */
system_syslogd_start();

echo "Starting Secure Shell Services...";
mwexec("/usr/local/etc/rc.sshd");
echo "done.\n";

/* set up interfaces */
mute_kernel_msgs();
interfaces_configure();
unmute_kernel_msgs();

/* re-make hosts file after configuring interfaces */
system_hosts_generate();

/* start OpenVPN server & clients */
echo "Syncing OpenVPN settings...";
openvpn_resync_all();
echo "done.\n";

/* generate resolv.conf */
system_resolvconf_generate();

/* setup pf */
filter_configure_sync();

/* start pflog */
echo "Starting PFLOG...";
filter_pflog_start();
echo "done.\n";

/* reconfigure our gateway monitor */
echo "Setting up gateway monitors...";
setup_gateways_monitor();
echo "done.\n";

echo "Synchronizing user settings...";
local_sync_accounts();
echo "done.\n";

/* start web server */
echo 'Starting webConfigurator...'. (system_webgui_start() ? 'done.' : 'failed.') . PHP_EOL;

/* configure cron service */
echo "Configuring CRON...";
configure_cron();
echo "done.\n";

/* set up static routes */
system_routing_configure();

/* enable routing */
system_routing_enable();

/* start dnsmasq service */
services_dnsmasq_configure();

/* start unbound service */
services_unbound_configure();

/* Do an initial time sync */
echo "Starting NTP time client...";
system_ntp_configure(false);
echo "done.\n";

/* start load balancer daemon */
relayd_configure();

/* configure console menu */
system_console_configure();

/* start DHCP service */
services_dhcpd_configure();

/* start dhcpleases dhpcp hosts leases program */
system_dhcpleases_configure();

/* start DHCP relay */
services_dhcrelay_configure();

/* start DHCP6 relay */
services_dhcrelay6_configure();

/* dyndns service updates */
mwexec("/usr/local/etc/rc.dyndns.update");

/* Run a filter configure now that most all services have started */
filter_configure_sync();

/* Run all registered plugins */
plugins_configure();

/* start IPsec tunnels */
$ipsec_dynamic_hosts = ipsec_configure();

/* start SNMP service */
services_snmpd_configure();

/* lock down console if necessary */
reload_ttys();

/* load graphing functions */
enable_rrd_graphing();

/* if we are operating at 1000 then increase timeouts.
   this was never accounted for after moving to 1000 hz */
$kern_hz = get_single_sysctl('kern.clockrate');
$kern_hz = substr($kern_hz, strpos($kern_hz, 'hz = ') + 5);
$kern_hz = substr($kern_hz, 0, strpos($kern_hz, ','));
if ($kern_hz == '1000') {
	set_single_sysctl('net.inet.tcp.rexmit_min' , '30');
}

/* start the igmpproxy daemon */
services_igmpproxy_configure();

/* start the upnp daemon if it is enabled */
upnp_configure();

/* If powerd is enabled, lets launch it */
activate_powerd();

/* Set preferred protocol */
prefer_ipv4_or_ipv6();

/*
 * Give syslogd a kick after everything else has been
 * initialized, otherwise it can occasionally fail to
 * route syslog messages properly on both IPv4 and IPv6.
 */
system_syslogd_start();

/* If there are ipsec dynamic hosts try again to reload the tunnels as rc.newipsecdns does */
if ($ipsec_dynamic_hosts) {
	ipsec_configure();
	filter_configure();
}

// generate configuration data for all installed templates
configd_run('template reload *');

led_normalize();
