<?php
/*
 * config.inc
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
 * All rights reserved.
 *
 * originally part of m0n0wall (http://m0n0.ch/wall)
 * Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net>.
 * 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.
 */

if (!function_exists('platform_booting')) {
	require_once('globals.inc');
}

/* do not load this file twice. */
//if (in_array("/etc/inc/config.inc", get_included_files()))
//	return;

// Set the memory limit to 128M on i386.  When someone has something like 500+ tunnels
// the parser needs quite a bit of ram.   Do not remove this line unless you
// know what you are doing.  If in doubt, check with dev@ _/FIRST/_!
if (!$ARCH) {
	$ARCH = php_uname("m");
}

// Set memory limit to 512M on amd64.
if ($ARCH == "amd64") {
	ini_set("memory_limit", "512M");
} else {
	ini_set("memory_limit", "128M");
}

/* include globals from notices.inc /utility/XML parser files */
require_once("notices.inc");
require_once("util.inc");
require_once("IPv6.inc");
require_once('config.lib.inc');
if (file_exists("/cf/conf/use_xmlreader")) {
	require_once("xmlreader.inc");
} else {
	require_once("xmlparse.inc");
}
require_once("crypt.inc");

/* read platform */
if (file_exists("{$g['etc_path']}/platform")) {
	$g['platform'] = chop(file_get_contents("{$g['etc_path']}/platform"));
} else {
	$g['platform'] = "unknown";
}

/* if /debugging exists, lets set $debugging
   so we can output more information */
if (file_exists("/debugging")) {
	$debugging = true;
	$g['debug'] = true;
}

if (platform_booting(true)) {
	echo ".";
	if (file_exists("/cf/conf/config.xml")) {
		$config_contents = file_get_contents("/cf/conf/config.xml");
		if (stristr($config_contents, "<m0n0wall>") == true) {
			echo ".";
			/* user has just upgraded from m0n0wall, replace root xml tags */
			log_error(gettext("Upgrading m0n0wall configuration to pfSense... "));
			$config_contents = str_replace("m0n0wall", "pfsense", $config_contents);
			if (!config_validate("{$g['conf_path']}/config.xml")) {
				log_error(gettext("ERROR!  Could not convert m0n0wall -> pfsense in config.xml"));
			}
			conf_mount_rw();
			file_put_contents("/cf/conf/config.xml", $config_contents);
			conf_mount_ro();
		}
		unset($config_contents);
	}
	/* if our config file exists bail out, we're already set. */
	else if (!file_exists($g['cf_conf_path'] . "/config.xml")) {
		echo ".";
		/* find the device where config.xml resides and write out an fstab */
		unset($cfgdevice);
		echo ".";
		/* check if there's already an fstab (NFS booting?) */
		if (!file_exists("{$g['etc_path']}/fstab")) {
			echo ".";
			if (strstr($g['platform'], "cdrom")) {
				/* config is on floppy disk for CD-ROM version */
				$cfgdevice = $cfgpartition = "fd0";
				$_gb = exec('/sbin/dmesg -a', $dmesg);
				if (preg_match("/da0/", $dmesg) == true) {
					$cfgdevice = $cfgpartition = "da0" ;
					if (mwexec("/sbin/mount -r /dev/{$cfgdevice} /cf")) {
						/* could not mount, fallback to floppy */
						$cfgdevice = $cfgpartition = "fd0";
					}
				}
				unset($dmesg);
				$cfgfstype = "msdosfs";
				echo gettext("CDROM build") . "\n";
				echo "   " . gettext("CFG:") . " {$cfgpartition}\n";
				echo "  " . gettext("TYPE:") . " {$cfgfstype}\n";
			} else {
				echo ".";
				/* probe kernel known disks until we find one with config.xml */
				$disks = explode(" ", get_single_sysctl("kern.disks"));
				foreach ($disks as $mountdisk) {
					/* skip mfs mounted filesystems */
					if (strstr($mountdisk, "md")) {
						continue;
					}
					if (mwexec("/sbin/mount -r /dev/{$mountdisk}a {$g['cf_path']}") == 0) {
						if (file_exists("{$g['cf_conf_path']}/config.xml")) {
							/* found it */
							$cfgdevice = $mountdisk;
							$cfgpartition = $cfgdevice . "a";
							$cfgfstype = "ufs";
							printf(gettext("Found configuration on %s.%s"), $cfgdevice, "\n");
						}

						mwexec("/sbin/umount -f {$g['cf_path']}");

						if ($cfgdevice) {
							break;
						}
					}
					if (mwexec("/sbin/mount -r /dev/{$mountdisk}d {$g['cf_path']}") == 0) {
						if (platform_booting()) {
							echo ".";
						}
						if (file_exists("{$g['cf_conf_path']}/config.xml")) {
							/* found it */
							$cfgdevice = $mountdisk;
							$cfgpartition = $cfgdevice . "d";
							$cfgfstype = "ufs";
							printf(gettext("Found configuration on %s.%s"), $cfgdevice, "\n");
						}

						mwexec("/sbin/umount -f {$g['cf_path']}");

						if ($cfgdevice) {
							break;
						}
					}
				}
			}
			echo ".";
			if (!$cfgdevice) {
				$last_backup = discover_last_backup();
				if ($last_backup) {
					log_error(gettext("No config.xml found, attempting last known config restore."));
					file_notice("config.xml", gettext("No config.xml found, attempting last known config restore."), "pfSenseConfigurator", "");
					restore_backup("/cf/conf/backup/{$last_backup}");
				} else {
					log_error(gettext("No config.xml or config backups found, resetting to factory defaults."));
					restore_backup('/conf.default/config.xml');
				}
			}

			/* write out an fstab */

			$fstab = "/dev/{$cfgpartition} {$g['cf_path']} {$cfgfstype} ro,noatime 1 1\n";
			$fstab .= "proc /proc procfs rw 0 0\n";
			file_put_contents("{$g['etc_path']}/fstab", $fstab);
		}
		echo ".";
		/* mount all filesystems */
		mwexec("/sbin/mount -a");
	}
	echo ".";
}

$config = parse_config();

/* set timezone */
if (isset($config['system']['timezone']) &&
    !empty($config['system']['timezone'])) {
	$timezone = $config['system']['timezone'];
} elseif (isset($g['default_timezone']) && !empty($g['default_timezone'])) {
	$timezone = $g['default_timezone'];
} else {
	$timezone = "Etc/UTC";
}
date_default_timezone_set("$timezone");

if ($config_parsed == true) {
	/* process packager manager custom rules */
	if (is_dir("/usr/local/pkg/parse_config")) {
		run_plugins("/usr/local/pkg/parse_config/");
	}
}

?>
