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1 5b237745 Scott Ullrich
<?php
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/****h* pfSense/config
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 * NAME
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 *   config.inc - Functions to manipulate config.xml
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 * DESCRIPTION
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 *   This include contains various config.xml specific functions.
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 * HISTORY
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 * $Id$
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 ******
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	config.inc
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	Copyright (C) 2004-2010 Scott Ullrich
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	All rights reserved.
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	originally part of m0n0wall (http://m0n0.ch/wall)
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	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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	All rights reserved.
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	Redistribution and use in source and binary forms, with or without
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	modification, are permitted provided that the following conditions are met:
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	1. Redistributions of source code must retain the above copyright notice,
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	   this list of conditions and the following disclaimer.
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	2. Redistributions in binary form must reproduce the above copyright
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	   notice, this list of conditions and the following disclaimer in the
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	   documentation and/or other materials provided with the distribution.
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	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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	POSSIBILITY OF SUCH DAMAGE.
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	pfSense_BUILDER_BINARIES:	/sbin/mount	/sbin/sysctl	/sbin/umount	/sbin/halt	/sbin/fsck	/bin/sync
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	pfSense_MODULE:	config
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*/
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if($g['booting']) echo ".";
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/* do not load this file twice. */
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//if (in_array("/etc/inc/config.inc", get_included_files()))
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//	return;
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// Set the memory limit to 128M.  When someone has something like 500+ tunnels
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// the parser needs quite a bit of ram.   Do not remove this line unless you 
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// know what you are doing.  If in doubt, check with dev@ _/FIRST/_!
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ini_set("memory_limit","128M");
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/* include globals from notices.inc /utility/XML parser files */
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require_once("notices.inc");
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if($g['booting']) echo ".";
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require_once('config.lib.inc');
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if($g['booting']) echo ".";
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require_once("util.inc");
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if($g['booting']) echo ".";
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if(file_exists("/cf/conf/use_xmlreader"))
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	require_once("xmlreader.inc");
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else
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	require_once("xmlparse.inc");
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if($g['booting']) echo ".";
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require_once("crypt.inc");
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/* read platform */
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if($g['booting']) echo ".";
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if (file_exists("{$g['etc_path']}/platform")) {
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	$g['platform'] = chop(file_get_contents("{$g['etc_path']}/platform"));
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} else {
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	$g['platform'] = "unknown";
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}
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/* if /debugging exists, lets set $debugging
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   so we can output more information */
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if(file_exists("/debugging")) {
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	$debugging = true;
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	$g['debug'] = true;
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}
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if($g['booting']) echo ".";
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if($g['booting'] && file_exists("/cf/conf/config.xml")) {
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	$config_contents = file_get_contents("/cf/conf/config.xml");
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	if(stristr($config_contents, "<m0n0wall>") == true) {
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		if($g['booting']) echo ".";
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		/* user has just upgraded to m0n0wall, replace root xml tags */
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		log_error("Upgrading m0n0wall configuration to pfSense... ");
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		$config_contents = str_replace("m0n0wall","pfsense", $config_contents);
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		if (!config_validate("{$g['conf_path']}/config.xml"))
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			log_error("ERROR!  Could not convert m0n0wall -> pfsense in config.xml");
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		conf_mount_rw();
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		$fd = fopen("/cf/conf/config.xml", "w");
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		fwrite($fd, $config_contents);
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		fclose($fd);
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		conf_mount_ro();
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	}
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}
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/* if our config file exists bail out, we're already set. */
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else if ($g['booting'] and !file_exists($g['cf_conf_path'] . "/config.xml")  ) {
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	if($g['booting']) echo ".";
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	/* find the device where config.xml resides and write out an fstab */
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	unset($cfgdevice);
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	if($g['booting']) echo ".";
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	/* check if there's already an fstab (NFS booting?) */
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	if (!file_exists("{$g['etc_path']}/fstab")) {
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		if($g['booting']) echo ".";
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		if (strstr($g['platform'], "cdrom")) {
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			/* config is on floppy disk for CD-ROM version */
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			$cfgdevice = $cfgpartition = "fd0";
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			$dmesg = `dmesg -a`;
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			if(ereg("da0", $dmesg) == true) {
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				$cfgdevice = $cfgpartition = "da0" ;
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				if (mwexec("/sbin/mount -r /dev/{$cfgdevice} /cf")) {
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					/* could not mount, fallback to floppy */
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					$cfgdevice = $cfgpartition = "fd0";
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				}
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			}
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			$cfgfstype = "msdosfs";
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			echo "CDROM build\n";
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			echo "   CFG: {$cfgpartition}\n";
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			echo "  TYPE: {$cfgfstype}\n";
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		} else {
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			if($g['booting']) echo ".";
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			/* probe kernel known disks until we find one with config.xml */
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			$disks = explode(" ", trim(preg_replace("/kern.disks: /", "", exec("/sbin/sysctl kern.disks"))));
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			foreach ($disks as $mountdisk) {
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				/* skip mfs mounted filesystems */
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				if (strstr($mountdisk, "md"))
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					continue;
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				if (mwexec("/sbin/mount -r /dev/{$mountdisk}a {$g['cf_path']}") == 0) {
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					if (file_exists("{$g['cf_conf_path']}/config.xml")) {
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						/* found it */
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						$cfgdevice = $mountdisk;
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						$cfgpartition = $cfgdevice . "a";
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						$cfgfstype = "ufs";
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						echo "Found configuration on $cfgdevice.\n";
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					}
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					mwexec("/sbin/umount -f {$g['cf_path']}");
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					if ($cfgdevice)
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						break;
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				}
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				if (mwexec("/sbin/mount -r /dev/{$mountdisk}d {$g['cf_path']}") == 0) {
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					if($g['booting']) echo ".";
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					if (file_exists("{$g['cf_conf_path']}/config.xml")) {
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						/* found it */
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						$cfgdevice = $mountdisk;
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						$cfgpartition = $cfgdevice . "d";
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						$cfgfstype = "ufs";
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						echo "Found configuration on $cfgdevice.\n";
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					}
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					mwexec("/sbin/umount -f {$g['cf_path']}");
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					if ($cfgdevice)
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						break;
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				}
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			}
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		}
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		if($g['booting']) echo ".";
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		if (!$cfgdevice) {
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			$last_backup = discover_last_backup();
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			if($last_backup) {
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				log_error("No config.xml found, attempting last known config restore.");
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				file_notice("config.xml", "No config.xml found, attempting last known config restore.", "pfSenseConfigurator", "");
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				restore_backup("/cf/conf/backup/{$last_backup}");
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			} else {
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				log_error("No config.xml or config backups found, resetting to factory defaults.");
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				restore_backup('/conf.default/config.xml');
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			}
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		}
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		/* write device name to a file for rc.firmware */
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		$fd = fopen("{$g['varetc_path']}/cfdevice", "w");
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		fwrite($fd, $cfgdevice . "\n");
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		fclose($fd);
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		/* write out an fstab */
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		$fd = fopen("{$g['etc_path']}/fstab", "w");
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		$fstab = "/dev/{$cfgpartition} {$g['cf_path']} {$cfgfstype} ro,noatime 1 1\n";
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		$fstab .= "proc /proc procfs rw 0 0\n";
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		fwrite($fd, $fstab);
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		fclose($fd);
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	}
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	if($g['booting']) echo ".";
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	/* mount all filesystems */
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	mwexec("/sbin/mount -a");
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}
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if($g['booting']) echo ".";
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$config = parse_config();
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/* set timezone */
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$timezone = $config['system']['timezone'];
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if (!$timezone)
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	$timezone = "Etc/UTC";
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date_default_timezone_set("$timezone");
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if($config_parsed == true) {
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	/* process packager manager custom rules */
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	if(is_dir("/usr/local/pkg/parse_config")) {
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		run_plugins("/usr/local/pkg/parse_config/");
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	}
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}
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?>