pfSense

<?php

/* $Id$ */

/*

	system_firmware_auto.php

	Copyright (C) 2005 Scott Ullrich

	Copyright (C) 2008 Scott Ullrich <sullrich@gmail.com>

	Copyright (C) 2013-2015 Electric Sheep Fencing, LP

	Based originally on system_firmware.php

	(C)2003-2004 Manuel Kasper

	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.

*/

/*

	pfSense_BUILDER_BINARIES:	/usr/bin/tar	/usr/bin/nohup	/bin/cat	/sbin/sha256

	pfSense_MODULE: firmware

*/

##|+PRIV

##|*IDENT=page-system-firmware-checkforupdate

##|*NAME=System: Firmware: Check For Update page

##|*DESCR=Allow access to the 'System: Firmware: Check For Update' page.

##|*MATCH=system_firmware_auto.php*

##|-PRIV

$nocsrf = true;

require("guiconfig.inc");

require_once("pfsense-utils.inc");

$curcfg = $config['system']['firmware'];

if (isset($curcfg['alturl']['enable'])) {

	$updater_url = "{$config['system']['firmware']['alturl']['firmwareurl']}";

} else {

	$updater_url = $g['update_url'];

}

if ($_POST['backupbeforeupgrade']) {

	touch("/tmp/perform_full_backup.txt");

}

$closehead = false;

$pgtitle = array(gettext("Diagnostics"), gettext("Firmware"), gettext("Auto Update"));

include("head.inc");

$tab_array = array();

$tab_array[] = array(gettext("Manual Update"), false, "system_firmware.php");

$tab_array[] = array(gettext("Auto Update"), true, "system_firmware_check.php");

$tab_array[] = array(gettext("Updater Settings"), false, "system_firmware_settings.php");

if($g['hidedownloadbackup'] == false)

	$tab_array[] = array(gettext("Restore Full Backup"), false, "system_firmware_restorefullbackup.php");

display_top_tabs($tab_array);

?>

<div id="statusheading" name="statusheading" class="panel panel-default">

   <div	 class="panel-heading" id="status" name="status"><?=gettext("Beginning firmware upgrade")?></div>

   <div id='output' name='output' class="panel-body"></div>

</div>

<?php

include("foot.inc"); ?>

<?php

panel_heading_text(gettext("Downloading current version information") . "...");

panel_heading_class('info');

$nanosize = "";

if ($g['platform'] == "nanobsd") {

	if (file_exists("/etc/nano_use_vga.txt")) {

		$nanosize = "-nanobsd-vga-";

	} else {

		$nanosize = "-nanobsd-";

	}

	$nanosize .= strtolower(trim(file_get_contents("/etc/nanosize.txt")));

}

@unlink("/tmp/{$g['product_name']}_version");

download_file_with_progress_bar("{$updater_url}/version{$nanosize}", "/tmp/{$g['product_name']}_version");

$latest_version = str_replace("\n", "", @file_get_contents("/tmp/{$g['product_name']}_version"));

if (!$latest_version) {

	update_output_window(gettext("Unable to check for updates."));

	require("foot.inc");

	exit;

} else {

	$current_installed_buildtime = trim(file_get_contents("/etc/version.buildtime"));

	$latest_version = trim(@file_get_contents("/tmp/{$g['product_name']}_version"));

	$latest_version_pfsense = strtotime($latest_version);

	if(!$latest_version) {

		panel_heading_class('danger');

		panel_heading_text(gettext('Version check'));

		update_output_window(gettext("Unable to check for updates."));

		require("foot.inc");

		exit;

	} else {

		if (pfs_version_compare($current_installed_buildtime, $current_installed_version, $latest_version) == -1) {

			panel_heading_text(gettext("Downloading updates") . '...');

			panel_heading_class('info');

			conf_mount_rw();

			if ($g['platform'] == "nanobsd") {

				$update_filename = "latest{$nanosize}.img.gz";

			} else {

				$update_filename = "latest.tgz";

			}

			$status = download_file_with_progress_bar("{$updater_url}/{$update_filename}", "{$g['upload_path']}/latest.tgz", "read_body_firmware");

			$status = download_file_with_progress_bar("{$updater_url}/{$update_filename}.sha256", "{$g['upload_path']}/latest.tgz.sha256");

			conf_mount_ro();

			update_output_window("{$g['product_name']} " . gettext("download complete."));

		} else {

			panel_heading_class('success');

			panel_heading_text(gettext('Version check complete'));

			update_output_window(gettext("You are on the latest version."));

			require("foot.inc");

			exit;

		}

	}

}

/* launch external upgrade helper */

$external_upgrade_helper_text = "/etc/rc.firmware ";

if ($g['platform'] == "nanobsd") {

	$external_upgrade_helper_text .= "pfSenseNanoBSDupgrade ";

} else {

	$external_upgrade_helper_text .= "pfSenseupgrade ";

}

$external_upgrade_helper_text .= "{$g['upload_path']}/latest.tgz";

$downloaded_latest_tgz_sha256 = str_replace("\n", "", `/sbin/sha256 -q {$g['upload_path']}/latest.tgz`);

$upgrade_latest_tgz_sha256 = str_replace("\n", "", `/bin/cat {$g['upload_path']}/latest.tgz.sha256 | awk '{ print $4 }'`);

$sigchk = 0;

if (!isset($curcfg['alturl']['enable'])) {

	$sigchk = verify_digital_signature("{$g['upload_path']}/latest.tgz");

}

$exitstatus = 0;

if ($sigchk == 1) {

	$sig_warning = gettext("The digital signature on this image is invalid.");

	$exitstatus = 1;

} else if ($sigchk == 2) {

	$sig_warning = gettext("This image is not digitally signed.");

	if (!isset($config['system']['firmware']['allowinvalidsig'])) {

		$exitstatus = 1;

	}

} else if (($sigchk >= 3)) {

	$sig_warning = gettext("There has been an error verifying the signature on this image.");

	$exitstatus = 1;

}

if ($exitstatus) {

	panel_heading_text($sig_warning);

	panel_heading_class('danger');

	update_output_window(gettext("Update cannot continue.  You can disable this check on the Updater Settings tab."));

	require("foot.inc");

	exit;

} else if ($sigchk == 2) {

	panel_heading_text(gettext('Upgrade in progress...'));

	panel_heading_class('info');

	update_output_window("\n" . gettext("Upgrade Image does not contain a signature but the system has been configured to allow unsigned images. One moment please...") . "\n");

}

if (!verify_gzip_file("{$g['upload_path']}/latest.tgz")) {

	panel_heading_text(gettext("The image file is corrupt."));

	panel_heading_class('danger');

	update_output_window(gettext("Update cannot continue"));

	if (file_exists("{$g['upload_path']}/latest.tgz")) {

		conf_mount_rw();

		unlink("{$g['upload_path']}/latest.tgz");

		conf_mount_ro();

	}

	require("foot.inc");

	exit;

}

if($downloaded_latest_tgz_sha256 <> $upgrade_latest_tgz_sha256) {

	panel_heading_text(gettext("Downloading complete but sha256 does not match."));

	panel_heading_class('danger');

	update_output_window(gettext("Auto upgrade aborted.") . "  \n\n" . gettext("Downloaded SHA256") . ": " . $downloaded_latest_tgz_sha256 . "\n\n" . gettext("Needed SHA256") . ": " . $upgrade_latest_tgz_sha256);

} else {

	update_output_window($g['product_name'] . " " . gettext("is now upgrading.") . "\\n\\n" . gettext("The firewall will reboot once the operation is completed."));

	mwexec_bg($external_upgrade_helper_text);

}

/*

	Helper functions

*/

function read_body_firmware($ch, $string) {

	global $g, $fout, $file_size, $downloaded, $counter, $version, $latest_version;

	$length = strlen($string);

	$downloaded += intval($length);

	$downloadProgress = round(100 * (1 - $downloaded / $file_size), 0);

	$downloadProgress = 100 - $downloadProgress;

	$a = $file_size;

	$b = $downloaded;

	$c = $downloadProgress;

	$text  = "	" . gettext("Auto Update Download Status") . "\\n";

	$text .= "----------------------------------------------------\\n";

	$text .= "  " . gettext("Current Version") . " : {$g['product_version']}\\n";

	$text .= "  " . gettext("Latest Version") . "  : {$latest_version}\\n";

	$text .= "  " . gettext("File size") . "       : {$a}\\n";

	$text .= "  " . gettext("Downloaded") . "      : {$b}\\n";

	$text .= "  " . gettext("Percent") . "         : {$c}%\\n";

	$text .= "----------------------------------------------------\\n";

	$counter++;

	if ($counter > 150) {

		update_output_window($text);

		update_progress_bar($downloadProgress);

		$counter = 0;

	}

	fwrite($fout, $string);

	return $length;

}

// Update the text in the panel-heading

function panel_heading_text($text) {

?>

	<script>

	events.push(function(){

		$('#status').html('<?=$text?>');

	});

	</script>

<?php

}

// Update the class of the message panel so that it's color changes

// Use danger, success, info, warning, default etc

function panel_heading_class($newclass = 'default') {

?>

	<script>

	events.push(function(){

		$('#statusheading').removeClass().addClass('panel panel-' + '<?=$newclass?>');

	});

	</script>

<?php

}

?>