Merge branch 'master' into bootstrap

1 files changed, 545 insertions, 0 deletions

diff --git a/src/usr/local/www/services_ntpd_gps.php b/src/usr/local/www/services_ntpd_gps.php
new file mode 100644
index 0000000..9bf100d
--- /dev/null
+++ b/src/usr/local/www/services_ntpd_gps.php
@@ -0,0 +1,545 @@
+<?php
+/* $Id$ */
+/*
+	services_ntpd_gps.php
+
+	Copyright (C) 2013-2015 Electric Sheep Fencing, LP
+	Copyright (C) 2013	Dagorlad
+	Copyright (C) 2012	Jim Pingle
+	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_MODULE: ntpd_gps
+*/
+
+##|+PRIV
+##|*IDENT=page-services-ntpd-gps
+##|*NAME=Services: NTP Serial GPS page
+##|*DESCR=Allow access to the 'Services: NTP Serial GPS' page..
+##|*MATCH=services_ntpd_gps.php*
+##|-PRIV
+
+require_once("guiconfig.inc");
+
+function set_default_gps() {
+	global $config;
+
+	if (!is_array($config['ntpd'])) {
+		$config['ntpd'] = array();
+	}
+	if (is_array($config['ntpd']['gps'])) {
+		unset($config['ntpd']['gps']);
+	}
+
+	$config['ntpd']['gps'] = array();
+	$config['ntpd']['gps']['type'] = 'Default';
+	/* copy an existing configured GPS port if it exists, the unset may be uncommented post production */
+	if (!empty($config['ntpd']['gpsport']) && empty($config['ntpd']['gps']['port'])) {
+		$config['ntpd']['gps']['port'] = $config['ntpd']['gpsport'];
+		unset($config['ntpd']['gpsport']); /* this removes the original port config from config.xml */
+		$config['ntpd']['gps']['speed'] = 0;
+		$config['ntpd']['gps']['nmea'] = 0;
+	}
+
+	write_config("Setting default NTPd settings");
+}
+
+if ($_POST) {
+	unset($input_errors);
+
+	if (!empty($_POST['gpsport']) && file_exists('/dev/'.$_POST['gpsport'])) {
+		$config['ntpd']['gps']['port'] = $_POST['gpsport'];
+	} else {
+		/* if port is not set, remove all the gps config */
+		unset($config['ntpd']['gps']);
+	}
+
+	if (!empty($_POST['gpstype'])) {
+		$config['ntpd']['gps']['type'] = $_POST['gpstype'];
+	} elseif (isset($config['ntpd']['gps']['type'])) {
+		unset($config['ntpd']['gps']['type']);
+	}
+
+	if (!empty($_POST['gpsspeed'])) {
+		$config['ntpd']['gps']['speed'] = $_POST['gpsspeed'];
+	} elseif (isset($config['ntpd']['gps']['speed'])) {
+		unset($config['ntpd']['gps']['speed']);
+	}
+
+	if (!empty($_POST['gpsnmea']) && ($_POST['gpsnmea'][0] === "0")) {
+		$config['ntpd']['gps']['nmea'] = "0";
+	} else {
+		$config['ntpd']['gps']['nmea'] = strval(array_sum($_POST['gpsnmea']));
+	}
+
+	if (!empty($_POST['gpsfudge1'])) {
+		$config['ntpd']['gps']['fudge1'] = $_POST['gpsfudge1'];
+	} elseif (isset($config['ntpd']['gps']['fudge1'])) {
+		unset($config['ntpd']['gps']['fudge1']);
+	}
+
+	if (!empty($_POST['gpsfudge2'])) {
+		$config['ntpd']['gps']['fudge2'] = $_POST['gpsfudge2'];
+	} elseif (isset($config['ntpd']['gps']['fudge2'])) {
+		unset($config['ntpd']['gps']['fudge2']);
+	}
+
+	if (!empty($_POST['gpsstratum']) && ($_POST['gpsstratum']) < 17) {
+		$config['ntpd']['gps']['stratum'] = $_POST['gpsstratum'];
+	} elseif (isset($config['ntpd']['gps']['stratum'])) {
+		unset($config['ntpd']['gps']['stratum']);
+	}
+
+	if (empty($_POST['gpsprefer'])) {
+		$config['ntpd']['gps']['prefer'] = 'on';
+	} elseif (isset($config['ntpd']['gps']['prefer'])) {
+		unset($config['ntpd']['gps']['prefer']);
+	}
+
+	if (!empty($_POST['gpsselect'])) {
+		$config['ntpd']['gps']['noselect'] = $_POST['gpsselect'];
+	} elseif (isset($config['ntpd']['gps']['noselect'])) {
+		unset($config['ntpd']['gps']['noselect']);
+	}
+
+	if (!empty($_POST['gpsflag1'])) {
+		$config['ntpd']['gps']['flag1'] = $_POST['gpsflag1'];
+	} elseif (isset($config['ntpd']['gps']['flag1'])) {
+		unset($config['ntpd']['gps']['flag1']);
+	}
+
+	if (!empty($_POST['gpsflag2'])) {
+		$config['ntpd']['gps']['flag2'] = $_POST['gpsflag2'];
+	} elseif (isset($config['ntpd']['gps']['flag2'])) {
+		unset($config['ntpd']['gps']['flag2']);
+	}
+
+	if (!empty($_POST['gpsflag3'])) {
+		$config['ntpd']['gps']['flag3'] = $_POST['gpsflag3'];
+	} elseif (isset($config['ntpd']['gps']['flag3'])) {
+		unset($config['ntpd']['gps']['flag3']);
+	}
+
+	if (!empty($_POST['gpsflag4'])) {
+		$config['ntpd']['gps']['flag4'] = $_POST['gpsflag4'];
+	} elseif (isset($config['ntpd']['gps']['flag4'])) {
+		unset($config['ntpd']['gps']['flag4']);
+	}
+
+	if (!empty($_POST['gpssubsec'])) {
+		$config['ntpd']['gps']['subsec'] = $_POST['gpssubsec'];
+	} elseif (isset($config['ntpd']['gps']['subsec'])) {
+		unset($config['ntpd']['gps']['subsec']);
+	}
+
+	if (!empty($_POST['gpsrefid'])) {
+		$config['ntpd']['gps']['refid'] = $_POST['gpsrefid'];
+	} elseif (isset($config['ntpd']['gps']['refid'])) {
+		unset($config['ntpd']['gps']['refid']);
+	}
+
+	if (!empty($_POST['gpsinitcmd'])) {
+		$config['ntpd']['gps']['initcmd'] = base64_encode($_POST['gpsinitcmd']);
+	} elseif (isset($config['ntpd']['gps']['initcmd'])) {
+		unset($config['ntpd']['gps']['initcmd']);
+	}
+
+	write_config("Updated NTP GPS Settings");
+
+	$retval = system_ntp_configure();
+	$savemsg = get_std_save_message($retval);
+} else {
+	/* set defaults if they do not already exist */
+	if (!is_array($config['ntpd']) || !is_array($config['ntpd']['gps']) || empty($config['ntpd']['gps']['type'])) {
+		set_default_gps();
+	}
+}
+
+function build_nmea_list() {
+	global $pconfig;
+
+	$nmealist = array('options' => array(), 'selected' => array());
+
+	$nmealist['options'][0] = 'All';
+	$nmealist['options'][1] = 'RMC';
+	$nmealist['options'][2] = 'GGA';
+	$nmealist['options'][4] = 'GLL';
+	$nmealist['options'][8] = 'ZDA or ZDG';
+
+	if(!$pconfig['nmea'])
+		array_push($nmealist['selected'], 0);
+
+	foreach($nmealist['options'] as $val => $opt) {
+		if($pconfig['nmea'] & $val)
+		  array_push($nmealist['selected'], $val);
+	}
+
+	return($nmealist);
+}
+
+$closehead = false;
+$pconfig = &$config['ntpd']['gps'];
+$pgtitle = array(gettext("Services"), gettext("NTP GPS"));
+$shortcut_section = "ntp";
+include("head.inc");
+
+$tab_array = array();
+$tab_array[] = array(gettext("NTP"), false, "services_ntpd.php");
+$tab_array[] = array(gettext("Serial GPS"), true, "services_ntpd_gps.php");
+$tab_array[] = array(gettext("PPS"), false, "services_ntpd_pps.php");
+display_top_tabs($tab_array);
+
+require('classes/Form.class.php');
+
+$form = new Form;
+
+$section = new Form_Section('NTP Serial GPS Configuration');
+
+$section->addInput(new Form_StaticText(
+	'Notes',
+	'A GPS connected via a serial port may be used as a reference clock for NTP. If the GPS also supports PPS and is properly configured, ' .
+	'and connected, that GPS may also be used as a Pulse Per Second clock reference. NOTE: A USB GPS may work, but is not recommended due to USB bus timing issues.' . '<br />' .
+	'For the best results, NTP should have at least three sources of time. So it is best to configure at least 2 servers under ' .
+	'<a href="services_ntpd.php">Services > NTP</a>' .
+	' to minimize clock drift if the GPS data is not valid over time. Otherwise ntpd may only use values from the unsynchronized local clock when providing time to clients.'
+));
+
+$gpstypes = array('Custom', 'Default', 'Generic', 'Garmin', 'MediaTek', 'SiRF', 'U-Blox', 'SureGPS');
+
+$section->addInput(new Form_Select(
+	'gpstype',
+	'GPS',
+	$pconfig['type'],
+	array_combine($gpstypes, $gpstypes)
+))->setHelp('This option allows you to select a predefined configuration.' .
+			'Default is the configuration of pfSense 2.1 and earlier (not recommended). Select Generic if your GPS is not listed.' . '<br /><br />' .
+			'The perdefined configurations assume your GPS has already been set to NMEA mode.');
+
+$serialports = glob("/dev/cua?[0-9]{,.[0-9]}", GLOB_BRACE);
+
+if (!empty($serialports)) {
+	$splist = array();
+	
+	foreach ($serialports as $port) { 
+		$shortport = substr($port,5);
+		$splist[$shortport] = $shortport;
+	}
+	
+	$section->addInput(new Form_Select(
+		'gpsport',
+		'Serial port',
+		$pconfig['port'],
+			$splist
+	))->setHelp('All serial ports are listed, be sure to pick the port with the GPS attached. ');
+	
+	$section->addInput(new Form_Select(
+		'gpsspeed',
+		null,
+		$pconfig['speed'],
+		[0 => '4800', 15 => '9600', 32 => '19200', 48 => '38400', 64 => '57600', 80 => '115200']
+	
+	))->setHelp('A higher baud rate is generally only helpful if the GPS is sending too many sentences. ' .
+				'It is recommended to configure the GPS to send only one sentence at a baud rate of 4800 or 9600.');
+}
+
+$nmealist = build_nmea_list();
+$section->addInput(new Form_Select(
+	'gpsnmea',
+	'NMEA Sentences',
+	$nmealist['selected'],
+	$nmealist['options'],
+	true
+))->setHelp('By default NTP will listen for all supported NMEA sentences. One or more sentences to listen for may be specified.');
+
+$section->addInput(new Form_Input(
+	'gpsfudge1',
+	'Fudge time 1',
+	'text',
+	$pconfig['fudge1']
+))->setHelp('Fudge time 1 is used to specify the GPS PPS signal offset (default: 0.0).');
+
+$section->addInput(new Form_Input(
+	'gpsfudge2',
+	'Fudge time 2',
+	'text',
+	$pconfig['fudge2']
+))->setHelp('Fudge time 2 is used to specify the GPS time offset (default: 0.0).');
+
+$section->addInput(new Form_Input(
+	'gpsstratum',
+	'Stratum (0-16)',
+	'text',
+	$pconfig['stratum']
+))->setHelp('This may be used to change the GPS Clock stratum (default: 0). This may be useful if, for some reason, you want ntpd to prefer a different clock');
+
+$section->addInput(new Form_Checkbox(
+	'gpsprefer',
+	'Flags',
+	'NTP should prefer this clock (default: enabled).',
+	!$pconfig['prefer']
+));
+
+$section->addInput(new Form_Checkbox(
+	'gpsselect',
+	null,
+	'NTP should not use this clock, it will be displayed for reference only(default: disabled).',
+	$pconfig['noselect']
+));
+
+$section->addInput(new Form_Checkbox(
+	'gpsflag1',
+	null,
+	'Enable PPS signal processing (default: enabled).',
+	$pconfig['flag1']
+));
+
+$section->addInput(new Form_Checkbox(
+	'gpsflag2',
+	null,
+	'Enable falling edge PPS signal processing (default: rising edge).',
+	$pconfig['flag2']
+));
+
+$section->addInput(new Form_Checkbox(
+	'gpsflag3',
+	null,
+	'Enable kernel PPS clock discipline (default: enabled).',
+	$pconfig['flag3']
+));
+
+$section->addInput(new Form_Checkbox(
+	'gpsflag4',
+	null,
+	'Obscure location in timestamp (default: unobscured).',
+	$pconfig['flag4']
+));
+
+$section->addInput(new Form_Checkbox(
+	'gpssubsec',
+	null,
+	'Log the sub-second fraction of the received time stamp (default: Not logged).',
+	$pconfig['subsec']
+))->setHelp('Enabling this will rapidly fill the log, but is useful for tuning Fudge time 2.');
+
+$section->addInput(new Form_Input(
+	'gpsrefid',
+	'Clock ID',
+	'text',
+	$pconfig['refid'],
+	['placeholder' => '1 to 4 characters']
+))->setHelp('This may be used to change the GPS Clock ID (default: GPS).');
+
+// Statistics logging section
+$btnadvgps = new Form_Button(
+	'btnadvgps',
+	'Advanced'
+);
+
+$btnadvgps->removeClass('btn-primary')->addClass('btn-default btn-sm');
+
+$section->addInput(new Form_StaticText(
+	'GPS Initialization',
+	$btnadvgps . '&nbsp' . 'Show GPS Initialization commands'
+));
+
+$section->addInput(new Form_Textarea(
+	'gpsinitcmd',
+	null,
+	$pconfig['initcmd']
+))->setHelp('Commands entered here will be sent to the GPS during initialization. Please read and understand your GPS documentation before making any changes here');
+
+$group = new Form_Group('NMEA Checksum Calculator');
+
+$group->add(new Form_Input(
+	'nmeastring',
+	null
+));
+
+$btncalc = new Form_Button(
+	'btncalc',
+	'Calculate'
+);
+
+$btncalc->removeClass('btn-primary')->addClass('btn-success btn-sm');
+
+$group->add($btncalc);
+
+$group->add(new Form_Input(
+	'result',
+	null,
+	'text',
+	null,
+	['placeholder' => 'Result']
+));
+
+$group->setHelp('Enter the text between &quot;$&quot; and &quot;*&quot; of a NMEA command string:');
+$group->addClass('calculator');
+
+$section->add($group);
+
+$form->add($section);
+print($form);
+
+?>
+
+<script>
+//<![CDATA[
+events.push(function(){
+
+	function NMEAChecksum(cmd) {
+		// Compute the checksum by XORing all the character values in the string.
+		var checksum = 0;
+
+		for(var i = 0; i < cmd.length; i++) {
+			checksum = checksum ^ cmd.charCodeAt(i);
+		}
+		// Convert it to hexadecimal (base-16, upper case, most significant byte first).
+		var hexsum = Number(checksum).toString(16).toUpperCase();
+
+		if (hexsum.length < 2) {
+			hexsum = ("00" + hexsum).slice(-2);
+		}
+
+		return(hexsum);
+	}
+
+	// Hides the <div> in which the specified input element lives so that the input, its label and help text are hidden
+	function hideInput(id, hide) {
+		if(hide)
+			$('#' + id).parent().parent('div').addClass('hidden');
+		else
+			$('#' + id).parent().parent('div').removeClass('hidden');
+	}
+
+	// Hides all elements of the specified class. This will usually be a section or group
+	function hideClass(s_class, hide) {
+		if(hide)
+			$('.' + s_class).hide();
+		else
+			$('.' + s_class).show();
+	}
+
+	function set_gps_default(type) {
+		$('#gpsnmea').val(0);
+		$('#gpsspeed').val(0);
+		$('#gpsfudge1').val(0);
+
+		//stuff the JS object as needed for each type
+		switch (type) {
+			case "Default":
+				$('#gpsfudge1').val("0.155");
+				$('#gpsfudge2').val("");
+				$('#gpsinitcmd').val("JFBVQlgsNDAsR1NWLDAsMCwwLDAqNTkNCiRQVUJYLDQwLEdMTCwwLDAsMCwwKjVDDQokUFVCWCw0MCxaREEsMCwwLDAsMCo0NA0KJFBVQlgsNDAsVlRHLDAsMCwwLDAqNUUNCiRQVUJYLDQwLEdTViwwLDAsMCwwKjU5DQokUFVCWCw0MCxHU0EsMCwwLDAsMCo0RQ0KJFBVQlgsNDAsR0dBLDAsMCwwLDANCiRQVUJYLDQwLFRYVCwwLDAsMCwwDQokUFVCWCw0MCxSTUMsMCwwLDAsMCo0Ng0KJFBVQlgsNDEsMSwwMDA3LDAwMDMsNDgwMCwwDQokUFVCWCw0MCxaREEsMSwxLDEsMQ0K");
+				break;
+
+			case "Garmin":
+				$('#gpsfudge2').val("0.600");
+				$('#gpsinitcmd').val("JFBHUk1DLCwsLCwsLCwsLDMsLDIsOCo1RQ0KJFBHUk1DMSwsMSwsLCwsLFcsLCwsLCwsKjMwDQokUEdSTU8sLDMqNzQNCiRQR1JNTyxHUFJNQywxKjNEDQokUEdSTU8sR1BHR0EsMSoyMA0KJFBHUk1PLEdQR0xMLDEqMjYNCg==");
+				break;
+
+			case "Generic":
+				$('#gpsfudge2').val("0.400");
+				$('#gpsinitcmd').val("");
+				break;
+
+			case "MediaTek":
+				$('#gpsfudge2').val("0.400");
+				$('#gpsinitcmd').val("JFBNVEsyMjUsMCoyQg0KJFBNVEszMTQsMSwxLDAsMSwwLDAsMCwwLDAsMCwwLDAsMCwwLDAsMCwwLDEsMCoyOA0KJFBNVEszMDEsMioyRQ0KJFBNVEszMjAsMCoyRg0KJFBNVEszMzAsMCoyRQ0KJFBNVEszODYsMCoyMw0KJFBNVEszOTcsMCoyMw0KJFBNVEsyNTEsNDgwMCoxNA0K");
+				break;
+
+			case "SiRF":
+				$('#gpsfudge2').val("0.704"); //valid for 4800, 0.688 @ 9600, 0.640 @ USB
+				$('#gpsinitcmd').val("JFBTUkYxMDMsMDAsMDAsMDEsMDEqMjUNCiRQU1JGMTAzLDAxLDAwLDAxLDAxKjI0DQokUFNSRjEwMywwMiwwMCwwMCwwMSoyNA0KJFBTUkYxMDMsMDMsMDAsMDAsMDEqMjQNCiRQU1JGMTAzLDA0LDAwLDAxLDAxKjI0DQokUFNSRjEwMywwNSwwMCwwMCwwMSoyNA0KJFBTUkYxMDAsMSw0ODAwLDgsMSwwKjBFDQo=");
+				break;
+
+			case "U-Blox":
+				$('#gpsfudge2').val("0.400");
+				$('#gpsinitcmd').val("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");
+				break;
+
+			case "SureGPS":
+				$('#gpsnmea').val(1);
+				$('#gpsspeed').val(16);
+				$('#gpsfudge2').val("0.407");
+				$('#gpsinitcmd').val("JFBNVEsyMjUsMCoyQg0KJFBNVEszMTQsMSwxLDAsMSwwLDUsMCwwLDAsMCwwLDAsMCwwLDAsMCwwLDEsMCoyRA0KJFBNVEszMDEsMioyRQ0KJFBNVEszOTcsMCoyMw0KJFBNVEsxMDIqMzENCiRQTVRLMzEzLDEqMkUNCiRQTVRLNTEzLDEqMjgNCiRQTVRLMzE5LDAqMjUNCiRQTVRLNTI3LDAuMDAqMDANCiRQTVRLMjUxLDk2MDAqMTcNCg==");
+				break;
+			default:
+				return;
+		}
+
+		$('#gpsstratum').val("");
+		$('#gpsrefid').val("");
+		$('#gpsflag1').prop('checked', true);
+		$('#gpsflag2').prop('checked', false);
+		$('#gpsflag3').prop('checked', true);
+		$('#gpsflag4').prop('checked', false);
+		$('#gpssubsec').prop('checked', false);
+	}
+
+	// Make the ‘Advanced’ button a plain button, not a submit button
+	$('#btnadvgps').prop('type','button');
+
+	// On click, show the controls in the GPS Initialization section
+	$("#btnadvgps").click(function() {
+		hideInput('gpsinitcmd', false);
+		hideClass('calculator', false);
+	});
+
+	// Make the ‘Calculate’ button a plain button, not a submit button
+	$('#btncalc').prop('type','button');
+	$('#result').prop("disabled", true);
+
+	// Onclick read the string from the nmeastring box, calculate the checksum
+	// and display the results in the result box
+	$("#btncalc").click(function() {
+		$('#result').val(NMEAChecksum($('#nmeastring').val()));
+	});
+
+	// When the 'GPS' selector is changed, we set tth gps defaults
+	$('#gpstype').on('change', function() {
+		set_gps_default($(this).val());
+	});
+
+	hideInput('gpsinitcmd', true);
+	hideClass('calculator', true);
+
+	set_gps_default('<?=$pconfig['type']?>');
+
+	//	Checkboxes gpsprefer and gpsselect are mutually exclusive
+	$('#gpsprefer').click(function() {
+		if ($(this).is(':checked')) {
+			$('#gpsselect').prop('checked', false);
+		}
+	});
+
+	$('#gpsselect').click(function() {
+		if ($(this).is(':checked')) {
+			$('#gpsprefer').prop('checked', false);
+		}
+	});
+});
+//]]>
+</script>
+
+<?php include("foot.inc");
\ No newline at end of file