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<?php
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/* $Id$ */
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/*
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guiconfig.inc
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by Scott Ullrich, Copyright 2004, All rights reserved.
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originally based on 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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*/
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/* make sure nothing is cached */
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if (!$omit_nocacheheaders) {
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header("Expires: 0");
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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}
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/* parse the configuration and include all configuration functions */
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require_once("config.inc");
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require_once("functions.inc");
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$d_natconfdirty_path = $g['varrun_path'] . "/nat.conf.dirty";
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$d_filterconfdirty_path = $g['varrun_path'] . "/filter.conf.dirty";
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$d_ipsecconfdirty_path = $g['varrun_path'] . "/ipsec.conf.dirty";
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$d_shaperconfdirty_path = $g['varrun_path'] . "/shaper.conf.dirty";
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$d_pptpuserdirty_path = $g['varrun_path'] . "/pptpd.user.dirty";
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$d_hostsdirty_path = $g['varrun_path'] . "/hosts.dirty";
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$d_staticmapsdirty_path = $g['varrun_path'] . "/staticmaps.dirty";
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$d_staticroutesdirty_path = $g['varrun_path'] . "/staticroutes.dirty";
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$d_aliasesdirty_path = $g['varrun_path'] . "/aliases.dirty";
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$d_proxyarpdirty_path = $g['varrun_path'] . "/proxyarp.dirty";
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$d_fwupenabled_path = $g['varrun_path'] . "/fwup.enabled";
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$d_firmwarelock_path = $g['varrun_path'] . "/firmware.lock";
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$d_sysrebootreqd_path = $g['varrun_path'] . "/sysreboot.reqd";
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$d_passthrumacsdirty_path = $g['varrun_path'] . "/passthrumacs.dirty";
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$d_allowedipsdirty_path = $g['varrun_path'] . "/allowedips.dirty";
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$d_ovpnclidirty_path = $g['varrun_path'] . "/ovpnclient.dirty";
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if (file_exists($d_firmwarelock_path)) {
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if (!$d_isfwfile) {
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header("Location: system_firmware.php");
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exit;
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} else {
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return;
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}
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}
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/* some well knows ports */
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$wkports = array(3389 => "MS RDP", 21 => "FTP", 22 => "SSH", 23 => "Telnet", 25 => "SMTP",
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53 => "DNS", 80 => "HTTP", 110 => "POP3", 143 => "IMAP", 443 => "HTTPS");
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/* IP TOS flags */
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$iptos = array("lowdelay", "throughput", "reliability", "congestion");
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/* TCP flags */
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$tcpflags = array("fin", "syn", "rst", "psh", "ack", "urg");
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$specialnets = array("lan" => "LAN net", "pptp" => "PPTP clients");
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for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
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$specialnets['opt' . $i] = $config['interfaces']['opt' . $i]['descr'] . " net";
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}
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$medias = array("auto" => "autoselect", "100full" => "100BASE-TX full-duplex",
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"100half" => "100BASE-TX half-duplex", "10full" => "10BASE-T full-duplex",
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"10half" => "10BASE-T half-duplex");
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/* platforms that support firmware updating */
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$fwupplatforms = array('pfSense', 'net45xx', 'net48xx', 'generic-pc', 'wrap');
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/* IPsec defines */
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$my_identifier_list = array('myaddress' => 'My IP address',
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'address' => 'IP address',
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'fqdn' => 'Domain name',
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'user_fqdn' => 'User FQDN');
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$p1_ealgos = array('des' => 'DES', '3des' => '3DES', 'blowfish' => 'Blowfish',
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'cast128' => 'CAST128');
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$p2_ealgos = array('des' => 'DES', '3des' => '3DES', 'blowfish' => 'Blowfish',
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'cast128' => 'CAST128', 'rijndael' => 'Rijndael (AES)');
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$p1_halgos = array('sha1' => 'SHA1', 'md5' => 'MD5');
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$p2_halgos = array('hmac_sha1' => 'SHA1', 'hmac_md5' => 'MD5');
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$p2_protos = array('esp' => 'ESP', 'ah' => 'AH');
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$p2_pfskeygroups = array('0' => 'off', '1' => '1', '2' => '2', '5' => '5');
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function do_input_validation($postdata, $reqdfields, $reqdfieldsn, $input_errors) {
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/* check for bad control characters */
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foreach ($postdata as $pn => $pd) {
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if (is_string($pd) && preg_match("/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f]/", $pd)) {
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$input_errors[] = "The field '" . $pn . "' contains invalid characters.";
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}
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}
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for ($i = 0; $i < count($reqdfields); $i++) {
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if (!$_POST[$reqdfields[$i]]) {
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$input_errors[] = "The field '" . $reqdfieldsn[$i] . "' is required.";
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}
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}
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}
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function print_input_errors($input_errors) {
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echo "<p><table border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n";
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echo "<tr><td bgcolor=\"#A12A2A\" width=\"36\" align=\"center\" valign=\"top\"><img src=\"/err.gif\" width=\"28\" height=\"32\"></td>\n";
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echo "<td bgcolor=\"#FFD9D1\" style=\"padding-left: 8px; padding-top: 6px\">";
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echo "<span class=\"errmsg\"><p>The following input errors were detected:<ul>\n";
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foreach ($input_errors as $ierr) {
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echo "<li>" . htmlspecialchars($ierr) . "</li>\n";
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}
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echo "</ul></span>";
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echo "</td></tr></table></p>";
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}
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function exec_rc_script($scriptname) {
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global $d_sysrebootreqd_path;
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if (file_exists($d_sysrebootreqd_path))
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return 0;
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exec($scriptname . " >/dev/null 2>&1", $execoutput, $retval);
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return $retval;
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}
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function exec_rc_script_async($scriptname) {
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global $d_sysrebootreqd_path;
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if (file_exists($d_sysrebootreqd_path))
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return 0;
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exec("nohup " . $scriptname . " >/dev/null 2>&1 &", $execoutput, $retval);
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return $retval;
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}
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function verify_gzip_file($fname) {
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$returnvar = mwexec("/usr/bin/gzip -t " . escapeshellarg($fname));
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if ($returnvar != 0)
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return 0;
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else
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return 1;
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}
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function print_info_box_np($msg) {
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echo "<table border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n";
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echo "<tr><td bgcolor=\"#990000\" align=\"center\" valign=\"top\" width=\"36\"><img src=\"/exclam.gif\" width=\"28\" height=\"32\"></td>\n";
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echo "<td bgcolor=\"#00000\" style=\"padding-left: 8px\"><font color=\"#ffffff\">";
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echo $msg;
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echo "</td></tr></table><br>";
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}
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function print_info_box($msg) {
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echo "<p>";
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print_info_box_np($msg);
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echo "</p>";
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}
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function format_bytes($bytes) {
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if ($bytes >= 1073741824) {
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return sprintf("%.2f GB", $bytes/1073741824);
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} else if ($bytes >= 1048576) {
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return sprintf("%.2f MB", $bytes/1048576);
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} else if ($bytes >= 1024) {
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return sprintf("%.0f KB", $bytes/1024);
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} else {
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return sprintf("%d bytes", $bytes);
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}
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}
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function get_std_save_message($ok) {
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global $d_sysrebootreqd_path;
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if ($ok == 0) {
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if (file_exists($d_sysrebootreqd_path))
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return "The changes have been saved. You must <a color=\"#FFFF00\" href=\"/reboot.php\">reboot</a> your firewall for changes to take effect.";
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else
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return "The changes have been applied successfully.";
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} else {
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return "ERROR: the changes could not be applied (error code $ok).";
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}
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}
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function pprint_address($adr) {
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global $specialnets;
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if (isset($adr['any'])) {
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$padr = "*";
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} else if ($adr['network']) {
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$padr = $specialnets[$adr['network']];
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} else {
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$padr = $adr['address'];
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}
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if (isset($adr['not']))
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$padr = "! " . $padr;
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return $padr;
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}
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function pprint_port($port) {
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global $wkports;
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$pport = "";
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if (!$port)
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echo "*";
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else {
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$srcport = explode("-", $port);
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if ((!$srcport[1]) || ($srcport[0] == $srcport[1])) {
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$pport = $srcport[0];
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if ($wkports[$srcport[0]]) {
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$pport .= " (" . $wkports[$srcport[0]] . ")";
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}
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} else
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$pport .= $srcport[0] . " - " . $srcport[1];
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}
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return $pport;
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}
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248
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/* sort by interface only, retain the original order of rules that apply to
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the same interface */
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function filter_rules_sort() {
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global $g, $config;
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252
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253
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/* mark each rule with the sequence number (to retain the order while sorting) */
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for ($i = 0; isset($config['filter']['rule'][$i]); $i++)
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$config['filter']['rule'][$i]['seq'] = $i;
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256
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257
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function filtercmp($a, $b) {
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258
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if ($a['interface'] == $b['interface'])
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return $a['seq'] - $b['seq'];
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else
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return -strcmp($a['interface'], $b['interface']);
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}
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263
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usort($config['filter']['rule'], "filtercmp");
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/* strip the sequence numbers again */
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for ($i = 0; isset($config['filter']['rule'][$i]); $i++)
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unset($config['filter']['rule'][$i]['seq']);
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}
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270
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271
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function nat_rules_sort() {
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global $g, $config;
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273
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function natcmp($a, $b) {
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275
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if ($a['external-address'] == $b['external-address']) {
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if ($a['protocol'] == $b['protocol']) {
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277
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if ($a['external-port'] == $b['external-port']) {
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return 0;
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} else {
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return ($a['external-port'] - $b['external-port']);
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281
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}
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282
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} else {
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return strcmp($a['protocol'], $b['protocol']);
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284
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}
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285
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} else if (!$a['external-address'])
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286
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return 1;
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287
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else if (!$b['external-address'])
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288
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return -1;
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289
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else
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290
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return ipcmp($a['external-address'], $b['external-address']);
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291
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}
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292
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293
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usort($config['nat']['rule'], "natcmp");
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294
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}
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295
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296
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function nat_1to1_rules_sort() {
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297
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global $g, $config;
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298
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299
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function nat1to1cmp($a, $b) {
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300
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return ipcmp($a['external'], $b['external']);
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301
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}
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302
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303
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usort($config['nat']['onetoone'], "nat1to1cmp");
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304
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}
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305
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306
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function nat_server_rules_sort() {
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307
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global $g, $config;
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308
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309
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function natservercmp($a, $b) {
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310
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return ipcmp($a['ipaddr'], $b['ipaddr']);
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311
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}
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312
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313
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usort($config['nat']['servernat'], "natservercmp");
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314
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}
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315
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316
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function nat_out_rules_sort() {
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317
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global $g, $config;
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318
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319
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function natoutcmp($a, $b) {
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320
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return strcmp($a['source']['network'], $b['source']['network']);
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321
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}
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322
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323
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usort($config['nat']['advancedoutbound']['rule'], "natoutcmp");
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324
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}
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325
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326
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function pptpd_users_sort() {
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327
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global $g, $config;
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328
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329
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function usercmp($a, $b) {
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330
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return strcasecmp($a['name'], $b['name']);
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331
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}
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332
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333
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usort($config['pptpd']['user'], "usercmp");
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334
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}
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335
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336
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function staticroutes_sort() {
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337
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global $g, $config;
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338
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339
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function staticroutecmp($a, $b) {
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340
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return strcmp($a['network'], $b['network']);
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341
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}
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342
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343
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usort($config['staticroutes']['route'], "staticroutecmp");
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344
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}
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345
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346
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function hosts_sort() {
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347
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global $g, $config;
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348
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349
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function hostcmp($a, $b) {
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350
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return strcasecmp($a['host'], $b['host']);
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351
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}
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352
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353
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usort($config['dnsmasq']['hosts'], "hostcmp");
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354
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}
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|
355
|
|
|
356
|
function staticmaps_sort($if) {
|
|
357
|
global $g, $config;
|
|
358
|
|
|
359
|
function staticmapcmp($a, $b) {
|
|
360
|
return ipcmp($a['ipaddr'], $b['ipaddr']);
|
|
361
|
}
|
|
362
|
|
|
363
|
usort($config['dhcpd'][$if]['staticmap'], "staticmapcmp");
|
|
364
|
}
|
|
365
|
|
|
366
|
function aliases_sort() {
|
|
367
|
global $g, $config;
|
|
368
|
|
|
369
|
function aliascmp($a, $b) {
|
|
370
|
return strcmp($a['name'], $b['name']);
|
|
371
|
}
|
|
372
|
|
|
373
|
usort($config['aliases']['alias'], "aliascmp");
|
|
374
|
}
|
|
375
|
|
|
376
|
function ipsec_mobilekey_sort() {
|
|
377
|
global $g, $config;
|
|
378
|
|
|
379
|
function mobilekeycmp($a, $b) {
|
|
380
|
return strcmp($a['ident'][0], $b['ident'][0]);
|
|
381
|
}
|
|
382
|
|
|
383
|
usort($config['ipsec']['mobilekey'], "mobilekeycmp");
|
|
384
|
}
|
|
385
|
|
|
386
|
function proxyarp_sort() {
|
|
387
|
global $g, $config;
|
|
388
|
|
|
389
|
function proxyarpcmp($a, $b) {
|
|
390
|
if (isset($a['network']))
|
|
391
|
list($ast,$asn) = explode("/", $a['network']);
|
|
392
|
else if (isset($a['range'])) {
|
|
393
|
$ast = $a['range']['from'];
|
|
394
|
$asn = 32;
|
|
395
|
}
|
|
396
|
if (isset($b['network']))
|
|
397
|
list($bst,$bsn) = explode("/", $b['network']);
|
|
398
|
else if (isset($b['range'])) {
|
|
399
|
$bst = $b['range']['from'];
|
|
400
|
$bsn = 32;
|
|
401
|
}
|
|
402
|
if (ipcmp($ast, $bst) == 0)
|
|
403
|
return ($asn - $bsn);
|
|
404
|
else
|
|
405
|
return ipcmp($ast, $bst);
|
|
406
|
}
|
|
407
|
|
|
408
|
usort($config['proxyarp']['proxyarpnet'], "proxyarpcmp");
|
|
409
|
}
|
|
410
|
|
|
411
|
function passthrumacs_sort() {
|
|
412
|
global $g, $config;
|
|
413
|
|
|
414
|
function passthrumacscmp($a, $b) {
|
|
415
|
return strcmp($a['mac'], $b['mac']);
|
|
416
|
}
|
|
417
|
|
|
418
|
usort($config['captiveportal']['passthrumac'],"passthrumacscmp");
|
|
419
|
}
|
|
420
|
|
|
421
|
function allowedips_sort() {
|
|
422
|
global $g, $config;
|
|
423
|
|
|
424
|
function allowedipscmp($a, $b) {
|
|
425
|
return strcmp($a['ip'], $b['ip']);
|
|
426
|
}
|
|
427
|
|
|
428
|
usort($config['captiveportal']['allowedip'],"allowedipscmp");
|
|
429
|
}
|
|
430
|
|
|
431
|
function wol_sort() {
|
|
432
|
global $g, $config;
|
|
433
|
|
|
434
|
function wolcmp($a, $b) {
|
|
435
|
return strcmp($a['descr'], $b['descr']);
|
|
436
|
}
|
|
437
|
|
|
438
|
usort($config['wol']['wolentry'], "wolcmp");
|
|
439
|
}
|
|
440
|
|
|
441
|
function gentitle($pgname) {
|
|
442
|
global $config;
|
|
443
|
return $config['system']['hostname'] . "." . $config['system']['domain'] . " - " . $pgname;
|
|
444
|
}
|
|
445
|
|
|
446
|
/* update the changedesc and changecount(er) variables */
|
|
447
|
function update_changedesc($update) {
|
|
448
|
global $changedesc;
|
|
449
|
global $changecount;
|
|
450
|
|
|
451
|
$changedesc .= " {$update}";
|
|
452
|
$changecount++;
|
|
453
|
}
|
|
454
|
|
|
455
|
/* Check if variable has changed, update and log if it has
|
|
456
|
* returns true if var changed
|
|
457
|
* varname = variable name in plain text
|
|
458
|
* orig = original value
|
|
459
|
* new = new value
|
|
460
|
*/
|
|
461
|
function update_if_changed($varname, & $orig, $new) {
|
|
462
|
if ($orig != $new) {
|
|
463
|
update_changedesc("{$varname}: \"{$orig}\" -> \"{$new}\"");
|
|
464
|
$orig = $new;
|
|
465
|
return true;
|
|
466
|
}
|
|
467
|
return false;
|
|
468
|
}
|
|
469
|
|
|
470
|
?>
|
