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<?php
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/*
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 * status_ntpd.php
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 *
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 * part of pfSense (https://www.pfsense.org)
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 * Copyright (c) 2004-2016 Rubicon Communications, LLC (Netgate)
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 * Copyright (c) 2013 Dagorlad
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 * All rights reserved.
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 *
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 * originally based on 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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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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##|+PRIV
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##|*IDENT=page-status-ntp
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##|*NAME=Status: NTP
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##|*DESCR=Allow access to the 'Status: NTP' page.
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##|*MATCH=status_ntpd.php*
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##|-PRIV
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require_once("guiconfig.inc");
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if (!isset($config['ntpd']['noquery'])) {
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	if (isset($config['system']['ipv6allow'])) {
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		$inet_version = "";
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	} else {
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		$inet_version = " -4";
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	}
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	exec("/usr/local/sbin/ntpq -pn $inet_version | /usr/bin/tail +3", $ntpq_output);
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	$ntpq_servers = array();
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	foreach ($ntpq_output as $line) {
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		$server = array();
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		$status_char = substr($line, 0, 1);
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		$line = substr($line, 1);
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		$peerinfo = preg_split("/[\s\t]+/", $line);
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		$server['server'] = $peerinfo[0];
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		$server['refid'] = $peerinfo[1];
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		$server['stratum'] = $peerinfo[2];
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		$server['type'] = $peerinfo[3];
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		$server['when'] = $peerinfo[4];
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		$server['poll'] = $peerinfo[5];
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		$server['reach'] = $peerinfo[6];
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		$server['delay'] = $peerinfo[7];
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		$server['offset'] = $peerinfo[8];
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		$server['jitter'] = $peerinfo[9];
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		switch ($status_char) {
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			case " ":
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				if ($server['refid'] == ".POOL.") {
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					$server['status'] = gettext("Pool Placeholder");
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				} else {
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					$server['status'] = gettext("Unreach/Pending");
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				}
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				break;
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			case "*":
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				$server['status'] = gettext("Active Peer");
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				break;
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			case "+":
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				$server['status'] = gettext("Candidate");
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				break;
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			case "o":
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				$server['status'] = gettext("PPS Peer");
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				break;
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			case "#":
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				$server['status'] = gettext("Selected");
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				break;
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			case ".":
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				$server['status'] = gettext("Excess Peer");
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				break;
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			case "x":
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				$server['status'] = gettext("False Ticker");
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				break;
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			case "-":
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				$server['status'] = gettext("Outlier");
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				break;
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		}
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		$ntpq_servers[] = $server;
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	}
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	exec("/usr/local/sbin/ntpq -c clockvar $inet_version", $ntpq_clockvar_output);
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	foreach ($ntpq_clockvar_output as $line) {
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		if (substr($line, 0, 9) == "timecode=") {
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			$tmp = explode('"', $line);
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			$tmp = $tmp[1];
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			if (substr($tmp, 0, 6) == '$GPRMC') {
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				$gps_vars = explode(",", $tmp);
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				$gps_ok = ($gps_vars[2] == "A");
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				$gps_lat_deg = substr($gps_vars[3], 0, 2);
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				$gps_lat_min = substr($gps_vars[3], 2) / 60.0;
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				$gps_lon_deg = substr($gps_vars[5], 0, 3);
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				$gps_lon_min = substr($gps_vars[5], 3) / 60.0;
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				$gps_lat = $gps_lat_deg + $gps_lat_min;
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				$gps_lat = $gps_lat * (($gps_vars[4] == "N") ? 1 : -1);
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				$gps_lon = $gps_lon_deg + $gps_lon_min;
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				$gps_lon = $gps_lon * (($gps_vars[6] == "E") ? 1 : -1);
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			} elseif (substr($tmp, 0, 6) == '$GPGGA') {
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				$gps_vars = explode(",", $tmp);
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				$gps_ok = $gps_vars[6];
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				$gps_lat_deg = substr($gps_vars[2], 0, 2);
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				$gps_lat_min = substr($gps_vars[2], 2) / 60.0;
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				$gps_lon_deg = substr($gps_vars[4], 0, 3);
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				$gps_lon_min = substr($gps_vars[4], 3) / 60.0;
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				$gps_lat = $gps_lat_deg + $gps_lat_min;
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				$gps_lat = $gps_lat * (($gps_vars[3] == "N") ? 1 : -1);
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				$gps_lon = $gps_lon_deg + $gps_lon_min;
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				$gps_lon = $gps_lon * (($gps_vars[5] == "E") ? 1 : -1);
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				$gps_alt = $gps_vars[9];
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				$gps_alt_unit = $gps_vars[10];
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				$gps_sat = $gps_vars[7];
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			} elseif (substr($tmp, 0, 6) == '$GPGLL') {
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				$gps_vars = explode(",", $tmp);
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				$gps_ok = ($gps_vars[6] == "A");
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				$gps_lat_deg = substr($gps_vars[1], 0, 2);
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				$gps_lat_min = substr($gps_vars[1], 2) / 60.0;
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				$gps_lon_deg = substr($gps_vars[3], 0, 3);
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				$gps_lon_min = substr($gps_vars[3], 3) / 60.0;
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				$gps_lat = $gps_lat_deg + $gps_lat_min;
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				$gps_lat = $gps_lat * (($gps_vars[2] == "N") ? 1 : -1);
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				$gps_lon = $gps_lon_deg + $gps_lon_min;
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				$gps_lon = $gps_lon * (($gps_vars[4] == "E") ? 1 : -1);
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			}
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		}
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	}
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}
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if (isset($config['ntpd']['gps']['type']) && ($config['ntpd']['gps']['type'] == 'SureGPS') && (isset($gps_ok))) {
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	//GSV message is only enabled by init commands in services_ntpd_gps.php for SureGPS board
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	$gpsport = fopen("/dev/gps0", "r+");
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	while ($gpsport) {
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		$buffer = fgets($gpsport);
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		if (substr($buffer, 0, 6) == '$GPGSV') {
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			//echo $buffer."\n";
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			$gpgsv = explode(',', $buffer);
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			$gps_satview = $gpgsv[3];
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			break;
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		}
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	}
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}
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// Responding to an AJAX call, we return the GPS data or the status data depending on $_REQUEST['dogps']
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if ($_REQUEST['ajax']) {
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	if ($_REQUEST['dogps'] == "yes") {
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		print_gps();
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	} else {
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		print_status();
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	}
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	exit;
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}
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function print_status() {
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	global $config, $ntpq_servers;
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	if (isset($config['ntpd']['noquery'])):
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		print("<tr>\n");
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		print('<td class="warning" colspan="11">');
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		printf(gettext("Statistics unavailable because ntpq and ntpdc queries are disabled in the %sNTP service settings%s"), '<a href="services_ntpd.php">', '</a>');
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		print("</td>\n");
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		print("</tr>\n");
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	elseif (count($ntpq_servers) == 0):
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		print("<tr>\n");
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		print('<td class="warning" colspan="11">');
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		printf(gettext("No peers found, %sis the ntp service running?%s"), '<a href="status_services.php">', '</a>');
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		print("</td>\n");
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		print("</tr>\n");
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	else:
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		$i = 0;
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		foreach ($ntpq_servers as $server):
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			print("<tr>\n");
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			print("<td>" . $server['status'] . "</td>\n");
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			print("<td>" . $server['server'] . "</td>\n");
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			print("<td>" . $server['refid'] . "</td>\n");
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			print("<td>" . $server['stratum'] . "</td>\n");
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			print("<td>" . $server['type'] . "</td>\n");
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			print("<td>" . $server['when'] . "</td>\n");
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			print("<td>" . $server['poll'] . "</td>\n");
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			print("<td>" . $server['reach'] . "</td>\n");
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			print("<td>" . $server['delay'] . "</td>\n");
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			print("<td>" . $server['offset'] . "</td>\n");
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			print("<td>" . $server['jitter'] . "</td>\n");
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			print("</tr>\n");
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			$i++;
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		endforeach;
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	endif;
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}
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function print_gps() {
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	global 	$gps_lat, $gps_lon, $gps_lat_deg, $gps_lon_deg, $gps_lat_min, $gps_lon_min, $gps_vars,
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			$gps_alt, $gps_alt_unit, $gps_sat, $gps_satview, $gps_goo_lnk;
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	print("<tr>\n");
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	print("<td>\n");
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	printf("%.5f", $gps_lat);
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	print(" (");
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	printf("%d%s", $gps_lat_deg, "&deg;");
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	printf("%.5f", $gps_lat_min*60);
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	print($gps_vars[4]);
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	print(")");
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	print("</td>\n");
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	print("<td>\n");
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	printf("%.5f", $gps_lon);
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	print(" (");
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	printf("%d%s", $gps_lon_deg, "&deg;");
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	printf("%.5f", $gps_lon_min*60);
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	print($gps_vars[6]);
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	print(")");
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	print("</td>\n");
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	if (isset($gps_alt)) {
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		print("<td>\n");
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		print($gps_alt . ' ' . $gps_alt_unit);
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		print("</td>\n");
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	}
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	if (isset($gps_sat) || isset($gps_satview)) {
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		print('<td class="text-center">');
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		if (isset($gps_satview)) {
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			print(gettext('in view ') . intval($gps_satview));
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		}
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		if (isset($gps_sat) && isset($gps_satview)) {
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			print(', ');
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		}
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		if (isset($gps_sat)) {
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			print(gettext('in use ') . $gps_sat);
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		}
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		print("</td>\n");
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	}
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	print("</tr>\n");
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	print("<tr>\n");
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	print('<td colspan="' . $gps_goo_lnk . '"><a target="_gmaps" href="http://maps.google.com/?q=' . $gps_lat . ',' . $gps_lon . '">' . gettext("Google Maps Link") . '</a></td>');
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	print("</tr>\n");
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}
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$pgtitle = array(gettext("Status"), gettext("NTP"));
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$shortcut_section = "ntp";
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include("head.inc");
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?>
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<div class="panel panel-default">
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	<div class="panel-heading"><h2 class="panel-title"><?=gettext("Network Time Protocol Status");?></h2></div>
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	<div class="panel-body">
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		<table class="table table-striped table-hover table-condensed sortable-theme-bootstrap" data-sortable>
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			<thead>
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				<tr>
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					<th><?=gettext("Status")?></th>
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					<th><?=gettext("Server")?></th>
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					<th><?=gettext("Ref ID")?></th>
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					<th><?=gettext("Stratum")?></th>
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					<th><?=gettext("Type")?></th>
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					<th><?=gettext("When")?></th>
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					<th><?=gettext("Poll")?></th>
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					<th><?=gettext("Reach")?></th>
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					<th><?=gettext("Delay")?></th>
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					<th><?=gettext("Offset")?></th>
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					<th><?=gettext("Jitter")?></th>
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				</tr>
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			</thead>
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			<tbody id="ntpbody">
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				<?=print_status()?>
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			</tbody>
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		</table>
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	</div>
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</div>
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<?php
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$showgps = 0;
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// GPS satellite information (if available)
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if (($gps_ok) && ($gps_lat) && ($gps_lon)):
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	$gps_goo_lnk = 2;
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	$showgps = 1;
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?>
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<div class="panel panel-default">
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	<div class="panel-heading"><h2 class="panel-title"><?=gettext("GPS Information");?></h2></div>
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	<div class="panel-body">
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		<table class="table table-striped table-hover table-condensed">
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			<thead>
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				<tr>
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					<th><?=gettext("Clock Latitude")?></th>
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					<th><?=gettext("Clock Longitude")?></th>
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<?php
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	if (isset($gps_alt)) {
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?>
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					<th><?=gettext("Clock Altitude")?></th>
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<?php
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		$gps_goo_lnk++;
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	}
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	if (isset($gps_sat) || isset($gps_satview)) {
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?>
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					<th><?=gettext("Satellites")?></th>
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<?php
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		$gps_goo_lnk++;
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	}
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?>
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				</tr>
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			</thead>
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327
			<tbody id="gpsbody">
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				<?=print_gps()?>
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			</tbody>
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		</table>
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	</div>
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</div>
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<?php
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endif;
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?>
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<script type="text/javascript">
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//<![CDATA[
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events.push(function() {
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	ajax_lock = false;		// Mutex so we don't make a call until the previous call is finished
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	do_gps = "no";
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	// Fetch the tbody contents from the server
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	function update_tables() {
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347
		if (ajax_lock) {
348
			return;
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		}
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351
		ajax_lock = true;
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353
		ajaxRequest = $.ajax(
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			{
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				url: "/status_ntpd.php",
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				type: "post",
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				data: {
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					ajax: 	"ajax",
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					dogps:  do_gps
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				}
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			}
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		);
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364
		// Deal with the results of the above ajax call
365
		ajaxRequest.done(function (response, textStatus, jqXHR) {
366
			if (do_gps == "yes") {
367
				$('#gpsbody').html(response);
368
			} else {
369
				$('#ntpbody').html(response);
370
			}
371

    
372
			ajax_lock = false;
373

    
374
			// Alternate updating the status table and the gps table (if enabled)
375
			if ((do_gps == "yes") || ("<?=$showgps?>" != 1)) {
376
				do_gps = "no";
377
			} else {
378
				do_gps = "yes";
379
			}
380

    
381
			// and do it again
382
			setTimeout(update_tables, 5000);
383
		});
384

    
385

    
386
	}
387

    
388
	// Populate the tbody on page load
389
	update_tables();
390
});
391
//]]>
392
</script>
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394
<?php
395
include("foot.inc");
396
?>
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