FreeNAS Code

This project has moved to github - see https://github.com/freenas

Brought to you by: cochard, mattolander
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<?php
/*
	guiconfig.inc
	part of m0n0wall (http://m0n0.ch/wall)
	
	Copyright (C) 2003-2005 Manuel Kasper <mk@neon1.net>.
	All rights reserved.

	Modified for FreeNAS (http://freenas.org) by Olivier Cochard <cochard@gmail.com>
	
	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.
*/

/* make sure nothing is cached */
if (!$omit_nocacheheaders) {
	header("Expires: 0");
	header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
	header("Cache-Control: no-store, no-cache, must-revalidate");
	header("Cache-Control: post-check=0, pre-check=0", false);
	header("Pragma: no-cache");
}

/* parse the configuration and include all configuration functions */
require_once("config.inc");
require_once("functions.inc");

/* Set the current language */
system_language_load();

$d_staticmapsdirty_path = $g['varrun_path'] . "/staticmaps.dirty";
$d_staticroutesdirty_path = $g['varrun_path'] . "/staticroutes.dirty";
$d_aliasesdirty_path = $g['varrun_path'] . "/aliases.dirty";
$d_fwupenabled_path = $g['varrun_path'] . "/fwup.enabled";
$d_firmwarelock_path = $g['varrun_path'] . "/firmware.lock";
$d_sysrebootreqd_path = $g['varrun_path'] . "/sysreboot.reqd";
$d_allowedipsdirty_path = $g['varrun_path'] . "/allowedips.dirty";

$d_mountdirty_path = $g['varrun_path'] . "/mount.dirty";
$d_diskdirty_path = $g['varrun_path'] . "/disk.dirty";
$d_raidconfdirty_path = $g['varrun_path'] . "/raid.conf.dirty";
$d_userconfdirty_path = $g['varrun_path'] . "/user.conf.dirty";
$d_groupconfdirty_path = $g['varrun_path'] . "/group.conf.dirty";

if (file_exists($d_firmwarelock_path)) {
	if (!$d_isfwfile) {
		header("Location: system_firmware.php");
		exit;
	} else {
		return;
	}
}

/* Reserverd login names */
$reservedlogin = array("root", "toor", "daemon", "operator", "bin", "tty", "kmem", "www", "nobody", "ftp", "sshd");

/* TCP flags */
$tcpflags = array("fin", "syn", "rst", "psh", "ack", "urg");

$specialnets = array("wanip" => "WAN address", "lan" => "LAN net", "pptp" => "PPTP clients");

for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
	$specialnets['opt' . $i] = $config['interfaces']['opt' . $i]['descr'] . " net";
}
	
$medias = array("auto" => "autoselect", "100full" => "100BASE-TX full-duplex",
	"100half" => "100BASE-TX half-duplex", "10full" => "10BASE-T full-duplex",
	"10half" => "10BASE-T half-duplex");
	
/* platforms that support firmware updating */
$fwupplatforms = array('net45xx', 'net48xx', 'generic-pc', 'wrap');

function do_input_validation($postdata, $reqdfields, $reqdfieldsn, $input_errors) {
	
	/* check for bad control characters */	
	foreach ($postdata as $pn => $pd) {
		if (is_string($pd) && preg_match("/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f]/", $pd)) {
			$input_errors[] = "The field '" . $pn . "' contains invalid characters.";
		}
	}
	
	for ($i = 0; $i < count($reqdfields); $i++) {
		if (!isset($_POST[$reqdfields[$i]]) || ($_POST[$reqdfields[$i]] === "")) {
			$input_errors[] = "The field '" . $reqdfieldsn[$i] . "' is required.";
		}
	}	
}

function print_input_errors($input_errors) {
	echo "<p><table border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n";
	echo "<tr><td bgcolor=\"#A12A2A\" width=\"36\" align=\"center\" valign=\"top\"><img src=\"/err.gif\" width=\"28\" height=\"32\"></td>\n";
	echo "<td bgcolor=\"#FFD9D1\" style=\"padding-left: 8px; padding-top: 6px\">";
	
	echo "<span class=\"errmsg\"><p>The following input errors were detected:<ul>\n";
	foreach ($input_errors as $ierr) {
		echo "<li>" . htmlspecialchars($ierr) . "</li>\n";
	}
	echo "</ul></span>";
	
	echo "</td></tr></table></p>";
}

function exec_rc_script($scriptname) {
	
	global $d_sysrebootreqd_path;
	
	if (file_exists($d_sysrebootreqd_path))
		return 0;
	
	exec($scriptname . " >/dev/null 2>&1", $execoutput, $retval);
	return $retval; 
}

function exec_rc_script_async($scriptname) {
	
	global $d_sysrebootreqd_path;
	
	if (file_exists($d_sysrebootreqd_path))
		return 0;
		
	exec("nohup " . $scriptname . " >/dev/null 2>&1 &", $execoutput, $retval);
	return $retval; 
}

function verify_gzip_file($fname) {

	$returnvar = mwexec("/usr/bin/gunzip -S \"\" -t " . escapeshellarg($fname));
	if ($returnvar != 0)
		return 0;
	else
		return 1;
}

function print_info_box_np($msg) {
	echo "<table border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n";
	echo "<tr><td bgcolor=\"#687BA4\" align=\"center\" valign=\"top\" width=\"36\"><img src=\"/exclam.gif\" width=\"28\" height=\"32\"></td>\n";
	echo "<td bgcolor=\"#D9DEE8\" style=\"padding-left: 8px\">";
	echo $msg;
	echo "</td></tr></table>";
}

function print_info_box($msg) {
	echo "<p>";
	print_info_box_np($msg);
	echo "</p>";
}

function format_bytes($bytes) {
	if ($bytes >= 1073741824) {
		return sprintf("%.2f GB", $bytes/1073741824);
	} else if ($bytes >= 1048576) {
		return sprintf("%.2f MB", $bytes/1048576);
	} else if ($bytes >= 1024) {
		return sprintf("%.0f KB", $bytes/1024);
	} else {
		return sprintf("%d bytes", $bytes);
	}
}

function get_std_save_message($ok) {
	global $d_sysrebootreqd_path;

	if ($ok == 0) {
		if (file_exists($d_sysrebootreqd_path))
			return "The changes have been saved. You must <a href=\"/reboot.php\">reboot</a> your NAS for changes to take effect.";
		else
			return "The changes have been applied successfully.";
	} else {
		return "ERROR: the changes could not be applied (error code $ok).";
	}
}

function pprint_address($adr) {
	global $specialnets;

	if (isset($adr['any'])) {
		$padr = "*";
	} else if ($adr['network']) {
		$padr = $specialnets[$adr['network']];
	} else {
		$padr = $adr['address'];
	}
	
	if (isset($adr['not']))
		$padr = "! " . $padr;
	
	return $padr;
}

function pprint_port($port) {
	global $wkports;

	$pport = "";
		
	if (!$port)
		echo "*";
	else {
		$srcport = explode("-", $port);
		if ((!$srcport[1]) || ($srcport[0] == $srcport[1])) {
			$pport = $srcport[0];
			if ($wkports[$srcport[0]]) {
				$pport .= " (" . $wkports[$srcport[0]] . ")";
			}
		} else
			$pport .= $srcport[0] . " - " . $srcport[1];
	}
	
	return $pport;
}

function staticroutes_sort() {
	global $g, $config;

	function staticroutecmp($a, $b) {
		return strcmp($a['network'], $b['network']);
	}

	usort($config['staticroutes']['route'], "staticroutecmp");
}

function hosts_sort() {
	global $g, $config;

	function hostcmp($a, $b) {
		if (strcasecmp($a['domain'], $b['domain']) == 0)
			return strcasecmp($a['host'], $b['host']);
		else
			return strcasecmp($a['domain'], $b['domain']);
	}

	usort($config['dnsmasq']['hosts'], "hostcmp");
}


function staticmaps_sort($if) {
	global $g, $config;

	function staticmapcmp($a, $b) {
		return ipcmp($a['ipaddr'], $b['ipaddr']);
	}

	usort($config['dhcpd'][$if]['staticmap'], "staticmapcmp");
}

function aliases_sort() {
	global $g, $config;

	function aliascmp($a, $b) {
		return strcmp($a['name'], $b['name']);
	}

	usort($config['aliases']['alias'], "aliascmp");
}

function mount_sort() {
	global $g, $config;

	function mountcmp($a, $b) {
		return strcmp($a['mdisk'], $b['mdisk']);
	}

	usort($config['mounts']['mount'], "mountcmp");
}

function disks_sort() {
	global $g, $config;

	function diskcmp($a, $b) {
		return strcmp($a['name'], $b['name']);
	}

	usort($config['disks']['disk'], "diskcmp");
}

function raid_sort() {
	global $g, $config;

	function raidcmp($a, $b) {
		return strcmp($a['name'], $b['name']);
	}

	usort($config['raid']['vdisk'], "raidcmp");
}

function users_sort() {
	global $g, $config;

	function userscmp($a, $b) {
		return strcmp($a['login'], $b['login']);
	}

	usort($config['access']['user'], "userscmp");
}

function groups_sort() {
	global $g, $config;

	function groupscmp($a, $b) {
		return strcmp($a['name'], $b['name']);
	}

	usort($config['access']['group'], "groupscmp");
}

?>