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-rw-r--r--library/vendor/Zend/TimeSync.php296
-rw-r--r--library/vendor/Zend/TimeSync/Exception.php63
-rw-r--r--library/vendor/Zend/TimeSync/Ntp.php430
-rw-r--r--library/vendor/Zend/TimeSync/Protocol.php148
-rw-r--r--library/vendor/Zend/TimeSync/Sntp.php118
5 files changed, 1055 insertions, 0 deletions
diff --git a/library/vendor/Zend/TimeSync.php b/library/vendor/Zend/TimeSync.php
new file mode 100644
index 0000000..5b05c4b
--- /dev/null
+++ b/library/vendor/Zend/TimeSync.php
@@ -0,0 +1,296 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @version $Id$
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+/**
+ * Zend_Date
+ */
+
+/**
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_TimeSync implements IteratorAggregate
+{
+ /**
+ * Set the default timeserver protocol to "Ntp". This will be called
+ * when no protocol is specified
+ */
+ const DEFAULT_PROTOCOL = 'Ntp';
+
+ /**
+ * Contains array of timeserver objects
+ *
+ * @var array
+ */
+ protected $_timeservers = array();
+
+ /**
+ * Holds a reference to the timeserver that is currently being used
+ *
+ * @var object
+ */
+ protected $_current;
+
+ /**
+ * Allowed timeserver schemes
+ *
+ * @var array
+ */
+ protected $_allowedSchemes = array(
+ 'Ntp',
+ 'Sntp'
+ );
+
+ /**
+ * Configuration array, set using the constructor or using
+ * ::setOptions() or ::setOption()
+ *
+ * @var array
+ */
+ public static $options = array(
+ 'timeout' => 1
+ );
+
+ /**
+ * Zend_TimeSync constructor
+ *
+ * @param string|array $target - OPTIONAL single timeserver, or an array of timeservers.
+ * @param string $alias - OPTIONAL an alias for this timeserver
+ * @return object
+ */
+ public function __construct($target = null, $alias = null)
+ {
+ if ($target !== null) {
+ $this->addServer($target, $alias);
+ }
+ }
+
+ /**
+ * getIterator() - return an iteratable object for use in foreach and the like,
+ * this completes the IteratorAggregate interface
+ *
+ * @return ArrayObject
+ */
+ public function getIterator()
+ {
+ return new ArrayObject($this->_timeservers);
+ }
+
+ /**
+ * Add a timeserver or multiple timeservers
+ *
+ * Server should be a single string representation of a timeserver,
+ * or a structured array listing multiple timeservers.
+ *
+ * If you provide an array of timeservers in the $target variable,
+ * $alias will be ignored. you can enter these as the array key
+ * in the provided array, which should be structured as follows:
+ *
+ * <code>
+ * $example = array(
+ * 'server_a' => 'ntp://127.0.0.1',
+ * 'server_b' => 'ntp://127.0.0.1:123',
+ * 'server_c' => 'ntp://[2000:364:234::2.5]',
+ * 'server_d' => 'ntp://[2000:364:234::2.5]:123'
+ * );
+ * </code>
+ *
+ * If no port number has been suplied, the default matching port
+ * number will be used.
+ *
+ * Supported protocols are:
+ * - ntp
+ * - sntp
+ *
+ * @param string|array $target - Single timeserver, or an array of timeservers.
+ * @param string $alias - OPTIONAL an alias for this timeserver
+ * @throws Zend_TimeSync_Exception
+ */
+ public function addServer($target, $alias = null)
+ {
+ if (is_array($target)) {
+ foreach ($target as $key => $server) {
+ $this->_addServer($server, $key);
+ }
+ } else {
+ $this->_addServer($target, $alias);
+ }
+ }
+
+ /**
+ * Sets the value for the given options
+ *
+ * This will replace any currently defined options.
+ *
+ * @param array $options - An array of options to be set
+ */
+ public static function setOptions(array $options)
+ {
+ foreach ($options as $key => $value) {
+ Zend_TimeSync::$options[$key] = $value;
+ }
+ }
+
+ /**
+ * Marks a nameserver as current
+ *
+ * @param string|integer $alias - The alias from the timeserver to set as current
+ * @throws Zend_TimeSync_Exception
+ */
+ public function setServer($alias)
+ {
+ if (isset($this->_timeservers[$alias]) === true) {
+ $this->_current = $this->_timeservers[$alias];
+ } else {
+ throw new Zend_TimeSync_Exception("'$alias' does not point to valid timeserver");
+ }
+ }
+
+ /**
+ * Returns the value to the option
+ *
+ * @param string $key - The option's identifier
+ * @return mixed
+ * @throws Zend_TimeSync_Exception
+ */
+ public static function getOptions($key = null)
+ {
+ if ($key == null) {
+ return Zend_TimeSync::$options;
+ }
+
+ if (isset(Zend_TimeSync::$options[$key]) === true) {
+ return Zend_TimeSync::$options[$key];
+ } else {
+ throw new Zend_TimeSync_Exception("'$key' does not point to valid option");
+ }
+ }
+
+ /**
+ * Return a specified timeserver by alias
+ * If no alias is given it will return the current timeserver
+ *
+ * @param string|integer $alias - The alias from the timeserver to return
+ * @return object
+ * @throws Zend_TimeSync_Exception
+ */
+ public function getServer($alias = null)
+ {
+ if ($alias === null) {
+ if (isset($this->_current) && $this->_current !== false) {
+ return $this->_current;
+ } else {
+ throw new Zend_TimeSync_Exception('there is no timeserver set');
+ }
+ }
+ if (isset($this->_timeservers[$alias]) === true) {
+ return $this->_timeservers[$alias];
+ } else {
+ throw new Zend_TimeSync_Exception("'$alias' does not point to valid timeserver");
+ }
+ }
+
+ /**
+ * Returns information sent/returned from the current timeserver
+ *
+ * @return array
+ */
+ public function getInfo()
+ {
+ return $this->getServer()->getInfo();
+ }
+
+ /**
+ * Query the timeserver list using the fallback mechanism
+ *
+ * If there are multiple servers listed, this method will act as a
+ * facade and will try to return the date from the first server that
+ * returns a valid result.
+ *
+ * @param Zend_Locale $locale - OPTIONAL locale
+ * @return object
+ * @throws Zend_TimeSync_Exception
+ */
+ public function getDate($locale = null)
+ {
+ foreach ($this->_timeservers as $alias => $server) {
+ $this->_current = $server;
+ try {
+ return $server->getDate($locale);
+ } catch (Zend_TimeSync_Exception $e) {
+ if (!isset($masterException)) {
+ $masterException = new Zend_TimeSync_Exception('all timeservers are bogus');
+ }
+ $masterException->addException($e);
+ }
+ }
+
+ throw $masterException;
+ }
+
+ /**
+ * Adds a timeserver object to the timeserver list
+ *
+ * @param string|array $target - Single timeserver, or an array of timeservers.
+ * @param string $alias - An alias for this timeserver
+ */
+ protected function _addServer($target, $alias)
+ {
+ if ($pos = strpos($target, '://')) {
+ $protocol = substr($target, 0, $pos);
+ $adress = substr($target, $pos + 3);
+ } else {
+ $adress = $target;
+ $protocol = self::DEFAULT_PROTOCOL;
+ }
+
+ if ($pos = strrpos($adress, ':')) {
+ $posbr = strpos($adress, ']');
+ if ($posbr and ($pos > $posbr)) {
+ $port = substr($adress, $pos + 1);
+ $adress = substr($adress, 0, $pos);
+ } else if (!$posbr and $pos) {
+ $port = substr($adress, $pos + 1);
+ $adress = substr($adress, 0, $pos);
+ } else {
+ $port = null;
+ }
+ } else {
+ $port = null;
+ }
+
+ $protocol = ucfirst(strtolower($protocol));
+ if (!in_array($protocol, $this->_allowedSchemes)) {
+ throw new Zend_TimeSync_Exception("'$protocol' is not a supported protocol");
+ }
+
+ $className = 'Zend_TimeSync_' . $protocol;
+ if (!class_exists($className)) {
+ Zend_Loader::loadClass($className);
+ }
+ $timeServerObj = new $className($adress, $port);
+
+ $this->_timeservers[$alias] = $timeServerObj;
+ }
+}
diff --git a/library/vendor/Zend/TimeSync/Exception.php b/library/vendor/Zend/TimeSync/Exception.php
new file mode 100644
index 0000000..c1a33e4
--- /dev/null
+++ b/library/vendor/Zend/TimeSync/Exception.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id$
+ */
+
+/**
+ * Zend_Exception
+ */
+
+/**
+ * Exception class for Zend_TimeSync
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_TimeSync_Exception extends Zend_Exception
+{
+ /**
+ * Contains array of exceptions thrown in queried server
+ *
+ * @var array
+ */
+ protected $_exceptions;
+
+ /**
+ * Adds an exception to the exception list
+ *
+ * @param Zend_TimeSync_Exception $exception New exteption to throw
+ * @return void
+ */
+ public function addException(Zend_TimeSync_Exception $exception)
+ {
+ $this->_exceptions[] = $exception;
+ }
+
+ /**
+ * Returns an array of exceptions that were thrown
+ *
+ * @return array
+ */
+ public function get()
+ {
+ return $this->_exceptions;
+ }
+}
diff --git a/library/vendor/Zend/TimeSync/Ntp.php b/library/vendor/Zend/TimeSync/Ntp.php
new file mode 100644
index 0000000..0c52530
--- /dev/null
+++ b/library/vendor/Zend/TimeSync/Ntp.php
@@ -0,0 +1,430 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id$
+ */
+
+/**
+ * Zend_TimeSync_Protocol
+ */
+
+/**
+ * NTP Protocol handling class
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_TimeSync_Ntp extends Zend_TimeSync_Protocol
+{
+ /**
+ * NTP port number (123) assigned by the Internet Assigned Numbers Authority
+ *
+ * @var integer
+ */
+ protected $_port = 123;
+
+ /**
+ * NTP class constructor, sets the timeserver and port number
+ *
+ * @param string $timeserver Adress of the timeserver to connect to
+ * @param integer $port (Optional) Port for this timeserver
+ */
+ public function __construct($timeserver, $port = 123)
+ {
+ $this->_timeserver = 'udp://' . $timeserver;
+ if ($port !== null) {
+ $this->_port = $port;
+ }
+ }
+
+ /**
+ * Prepare local timestamp for transmission in our request packet
+ *
+ * NTP timestamps are represented as a 64-bit fixed-point number, in
+ * seconds relative to 0000 UT on 1 January 1900. The integer part is
+ * in the first 32 bits and the fraction part in the last 32 bits
+ *
+ * @return string
+ */
+ protected function _prepare()
+ {
+ $frac = microtime();
+ $fracba = ($frac & 0xff000000) >> 24;
+ $fracbb = ($frac & 0x00ff0000) >> 16;
+ $fracbc = ($frac & 0x0000ff00) >> 8;
+ $fracbd = ($frac & 0x000000ff);
+
+ $sec = (time() + 2208988800);
+ $secba = ($sec & 0xff000000) >> 24;
+ $secbb = ($sec & 0x00ff0000) >> 16;
+ $secbc = ($sec & 0x0000ff00) >> 8;
+ $secbd = ($sec & 0x000000ff);
+
+ // Flags
+ $nul = chr(0x00);
+ $nulbyte = $nul . $nul . $nul . $nul;
+ $ntppacket = chr(0xd9) . $nul . chr(0x0a) . chr(0xfa);
+
+ /*
+ * Root delay
+ *
+ * Indicates the total roundtrip delay to the primary reference
+ * source at the root of the synchronization subnet, in seconds
+ */
+ $ntppacket .= $nul . $nul . chr(0x1c) . chr(0x9b);
+
+ /*
+ * Clock Dispersion
+ *
+ * Indicates the maximum error relative to the primary reference source at the
+ * root of the synchronization subnet, in seconds
+ */
+ $ntppacket .= $nul . chr(0x08) . chr(0xd7) . chr(0xff);
+
+ /*
+ * ReferenceClockID
+ *
+ * Identifying the particular reference clock
+ */
+ $ntppacket .= $nulbyte;
+
+ /*
+ * The local time, in timestamp format, at the peer when its latest NTP message
+ * was sent. Contanis an integer and a fractional part
+ */
+ $ntppacket .= chr($secba) . chr($secbb) . chr($secbc) . chr($secbd);
+ $ntppacket .= chr($fracba) . chr($fracbb) . chr($fracbc) . chr($fracbd);
+
+ /*
+ * The local time, in timestamp format, at the peer. Contains an integer
+ * and a fractional part.
+ */
+ $ntppacket .= $nulbyte;
+ $ntppacket .= $nulbyte;
+
+ /*
+ * This is the local time, in timestamp format, when the latest NTP message from
+ * the peer arrived. Contanis an integer and a fractional part.
+ */
+ $ntppacket .= $nulbyte;
+ $ntppacket .= $nulbyte;
+
+ /*
+ * The local time, in timestamp format, at which the
+ * NTP message departed the sender. Contanis an integer
+ * and a fractional part.
+ */
+ $ntppacket .= chr($secba) . chr($secbb) . chr($secbc) . chr($secbd);
+ $ntppacket .= chr($fracba) . chr($fracbb) . chr($fracbc) . chr($fracbd);
+
+ return $ntppacket;
+ }
+
+ /**
+ * Calculates a 32bit integer
+ *
+ * @param string $input
+ * @return integer
+ */
+ protected function _getInteger($input)
+ {
+ $f1 = str_pad(ord($input[0]), 2, '0', STR_PAD_LEFT);
+ $f1 .= str_pad(ord($input[1]), 2, '0', STR_PAD_LEFT);
+ $f1 .= str_pad(ord($input[2]), 2, '0', STR_PAD_LEFT);
+ $f1 .= str_pad(ord($input[3]), 2, '0', STR_PAD_LEFT);
+ return (int) $f1;
+ }
+
+ /**
+ * Calculates a 32bit signed fixed point number
+ *
+ * @param string $input
+ * @return float
+ */
+ protected function _getFloat($input)
+ {
+ $f1 = str_pad(ord($input[0]), 2, '0', STR_PAD_LEFT);
+ $f1 .= str_pad(ord($input[1]), 2, '0', STR_PAD_LEFT);
+ $f1 .= str_pad(ord($input[2]), 2, '0', STR_PAD_LEFT);
+ $f1 .= str_pad(ord($input[3]), 2, '0', STR_PAD_LEFT);
+ $f2 = $f1 >> 17;
+ $f3 = ($f1 & 0x0001FFFF);
+ $f1 = $f2 . '.' . $f3;
+ return (float) $f1;
+ }
+
+ /**
+ * Calculates a 64bit timestamp
+ *
+ * @param string $input
+ * @return float
+ */
+ protected function _getTimestamp($input)
+ {
+ $f1 = (ord($input[0]) * pow(256, 3));
+ $f1 += (ord($input[1]) * pow(256, 2));
+ $f1 += (ord($input[2]) * pow(256, 1));
+ $f1 += (ord($input[3]));
+ $f1 -= 2208988800;
+
+ $f2 = (ord($input[4]) * pow(256, 3));
+ $f2 += (ord($input[5]) * pow(256, 2));
+ $f2 += (ord($input[6]) * pow(256, 1));
+ $f2 += (ord($input[7]));
+
+ return (float) ($f1 . "." . $f2);
+ }
+
+ /**
+ * Reads the data returned from the timeserver
+ *
+ * This will return an array with binary data listing:
+ *
+ * @return array
+ * @throws Zend_TimeSync_Exception When timeserver can not be connected
+ */
+ protected function _read()
+ {
+ $flags = ord(fread($this->_socket, 1));
+ $info = stream_get_meta_data($this->_socket);
+
+ if ($info['timed_out'] === true) {
+ fclose($this->_socket);
+ throw new Zend_TimeSync_Exception('could not connect to ' .
+ "'$this->_timeserver' on port '$this->_port', reason: 'server timed out'");
+ }
+
+ $result = array(
+ 'flags' => $flags,
+ 'stratum' => ord(fread($this->_socket, 1)),
+ 'poll' => ord(fread($this->_socket, 1)),
+ 'precision' => ord(fread($this->_socket, 1)),
+ 'rootdelay' => $this->_getFloat(fread($this->_socket, 4)),
+ 'rootdispersion' => $this->_getFloat(fread($this->_socket, 4)),
+ 'referenceid' => fread($this->_socket, 4),
+ 'referencestamp' => $this->_getTimestamp(fread($this->_socket, 8)),
+ 'originatestamp' => $this->_getTimestamp(fread($this->_socket, 8)),
+ 'receivestamp' => $this->_getTimestamp(fread($this->_socket, 8)),
+ 'transmitstamp' => $this->_getTimestamp(fread($this->_socket, 8)),
+ 'clientreceived' => microtime(true)
+ );
+
+ $this->_disconnect();
+ return $result;
+ }
+
+ /**
+ * Sends the NTP packet to the server
+ *
+ * @param string $data Data to send to the timeserver
+ * @return void
+ */
+ protected function _write($data)
+ {
+ $this->_connect();
+
+ fwrite($this->_socket, $data);
+ stream_set_timeout($this->_socket, Zend_TimeSync::$options['timeout']);
+ }
+
+ /**
+ * Extracts the binary data returned from the timeserver
+ *
+ * @param string|array $binary Data returned from the timeserver
+ * @return integer Difference in seconds
+ */
+ protected function _extract($binary)
+ {
+ /*
+ * Leap Indicator bit 1100 0000
+ *
+ * Code warning of impending leap-second to be inserted at the end of
+ * the last day of the current month.
+ */
+ $leap = ($binary['flags'] & 0xc0) >> 6;
+ switch($leap) {
+ case 0:
+ $this->_info['leap'] = '0 - no warning';
+ break;
+
+ case 1:
+ $this->_info['leap'] = '1 - last minute has 61 seconds';
+ break;
+
+ case 2:
+ $this->_info['leap'] = '2 - last minute has 59 seconds';
+ break;
+
+ default:
+ $this->_info['leap'] = '3 - not syncronised';
+ break;
+ }
+
+ /*
+ * Version Number bit 0011 1000
+ *
+ * This should be 3 (RFC 1305)
+ */
+ $this->_info['version'] = ($binary['flags'] & 0x38) >> 3;
+
+ /*
+ * Mode bit 0000 0111
+ *
+ * Except in broadcast mode, an NTP association is formed when two peers
+ * exchange messages and one or both of them create and maintain an
+ * instantiation of the protocol machine, called an association.
+ */
+ $mode = ($binary['flags'] & 0x07);
+ switch($mode) {
+ case 1:
+ $this->_info['mode'] = 'symetric active';
+ break;
+
+ case 2:
+ $this->_info['mode'] = 'symetric passive';
+ break;
+
+ case 3:
+ $this->_info['mode'] = 'client';
+ break;
+
+ case 4:
+ $this->_info['mode'] = 'server';
+ break;
+
+ case 5:
+ $this->_info['mode'] = 'broadcast';
+ break;
+
+ default:
+ $this->_info['mode'] = 'reserved';
+ break;
+ }
+
+ $ntpserviceid = 'Unknown Stratum ' . $binary['stratum'] . ' Service';
+
+ /*
+ * Reference Clock Identifier
+ *
+ * Identifies the particular reference clock.
+ */
+ $refid = strtoupper($binary['referenceid']);
+ switch($binary['stratum']) {
+ case 0:
+ if (substr($refid, 0, 3) === 'DCN') {
+ $ntpserviceid = 'DCN routing protocol';
+ } else if (substr($refid, 0, 4) === 'NIST') {
+ $ntpserviceid = 'NIST public modem';
+ } else if (substr($refid, 0, 3) === 'TSP') {
+ $ntpserviceid = 'TSP time protocol';
+ } else if (substr($refid, 0, 3) === 'DTS') {
+ $ntpserviceid = 'Digital Time Service';
+ }
+ break;
+
+ case 1:
+ if (substr($refid, 0, 4) === 'ATOM') {
+ $ntpserviceid = 'Atomic Clock (calibrated)';
+ } else if (substr($refid, 0, 3) === 'VLF') {
+ $ntpserviceid = 'VLF radio';
+ } else if ($refid === 'CALLSIGN') {
+ $ntpserviceid = 'Generic radio';
+ } else if (substr($refid, 0, 4) === 'LORC') {
+ $ntpserviceid = 'LORAN-C radionavigation';
+ } else if (substr($refid, 0, 4) === 'GOES') {
+ $ntpserviceid = 'GOES UHF environment satellite';
+ } else if (substr($refid, 0, 3) === 'GPS') {
+ $ntpserviceid = 'GPS UHF satellite positioning';
+ }
+ break;
+
+ default:
+ $ntpserviceid = ord(substr($binary['referenceid'], 0, 1));
+ $ntpserviceid .= '.';
+ $ntpserviceid .= ord(substr($binary['referenceid'], 1, 1));
+ $ntpserviceid .= '.';
+ $ntpserviceid .= ord(substr($binary['referenceid'], 2, 1));
+ $ntpserviceid .= '.';
+ $ntpserviceid .= ord(substr($binary['referenceid'], 3, 1));
+ break;
+ }
+
+ $this->_info['ntpid'] = $ntpserviceid;
+
+ /*
+ * Stratum
+ *
+ * Indicates the stratum level of the local clock
+ */
+ switch($binary['stratum']) {
+ case 0:
+ $this->_info['stratum'] = 'undefined';
+ break;
+
+ case 1:
+ $this->_info['stratum'] = 'primary reference';
+ break;
+
+ default:
+ $this->_info['stratum'] = 'secondary reference';
+ break;
+ }
+
+ /*
+ * Indicates the total roundtrip delay to the primary reference source at the
+ * root of the synchronization subnet, in seconds.
+ *
+ * Both positive and negative values, depending on clock precision and skew, are
+ * possible.
+ */
+ $this->_info['rootdelay'] = $binary['rootdelay'];
+
+ /*
+ * Indicates the maximum error relative to the primary reference source at the
+ * root of the synchronization subnet, in seconds.
+ *
+ * Only positive values greater than zero are possible.
+ */
+ $this->_info['rootdispersion'] = $binary['rootdispersion'];
+
+ /*
+ * The roundtrip delay of the peer clock relative to the local clock
+ * over the network path between them, in seconds.
+ *
+ * Note that this variable can take on both positive and negative values,
+ * depending on clock precision and skew-error accumulation.
+ */
+ $this->_info['roundtrip'] = $binary['receivestamp'];
+ $this->_info['roundtrip'] -= $binary['originatestamp'];
+ $this->_info['roundtrip'] -= $binary['transmitstamp'];
+ $this->_info['roundtrip'] += $binary['clientreceived'];
+ $this->_info['roundtrip'] /= 2;
+
+ // The offset of the peer clock relative to the local clock, in seconds.
+ $this->_info['offset'] = $binary['receivestamp'];
+ $this->_info['offset'] -= $binary['originatestamp'];
+ $this->_info['offset'] += $binary['transmitstamp'];
+ $this->_info['offset'] -= $binary['clientreceived'];
+ $this->_info['offset'] /= 2;
+ $time = (time() - $this->_info['offset']);
+
+ return $time;
+ }
+}
diff --git a/library/vendor/Zend/TimeSync/Protocol.php b/library/vendor/Zend/TimeSync/Protocol.php
new file mode 100644
index 0000000..12dc6d9
--- /dev/null
+++ b/library/vendor/Zend/TimeSync/Protocol.php
@@ -0,0 +1,148 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id$
+ */
+
+/**
+ * Abstract class definition for all timeserver protocols
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+abstract class Zend_TimeSync_Protocol
+{
+ /**
+ * Holds the current socket connection
+ *
+ * @var array
+ */
+ protected $_socket;
+
+ /**
+ * Exceptions that might have occured
+ *
+ * @var array
+ */
+ protected $_exceptions;
+
+ /**
+ * Hostname for timeserver
+ *
+ * @var string
+ */
+ protected $_timeserver;
+
+ /**
+ * Holds information passed/returned from timeserver
+ *
+ * @var array
+ */
+ protected $_info = array();
+
+ /**
+ * Abstract method that prepares the data to send to the timeserver
+ *
+ * @return mixed
+ */
+ abstract protected function _prepare();
+
+ /**
+ * Abstract method that reads the data returned from the timeserver
+ *
+ * @return mixed
+ */
+ abstract protected function _read();
+
+ /**
+ * Abstract method that writes data to to the timeserver
+ *
+ * @param string $data Data to write
+ * @return void
+ */
+ abstract protected function _write($data);
+
+ /**
+ * Abstract method that extracts the binary data returned from the timeserver
+ *
+ * @param string|array $data Data returned from the timeserver
+ * @return integer
+ */
+ abstract protected function _extract($data);
+
+ /**
+ * Connect to the specified timeserver.
+ *
+ * @return void
+ * @throws Zend_TimeSync_Exception When the connection failed
+ */
+ protected function _connect()
+ {
+ $socket = @fsockopen($this->_timeserver, $this->_port, $errno, $errstr,
+ Zend_TimeSync::$options['timeout']);
+ if ($socket === false) {
+ throw new Zend_TimeSync_Exception('could not connect to ' .
+ "'$this->_timeserver' on port '$this->_port', reason: '$errstr'");
+ }
+
+ $this->_socket = $socket;
+ }
+
+ /**
+ * Disconnects from the peer, closes the socket.
+ *
+ * @return void
+ */
+ protected function _disconnect()
+ {
+ @fclose($this->_socket);
+ $this->_socket = null;
+ }
+
+ /**
+ * Return information sent/returned from the timeserver
+ *
+ * @return array
+ */
+ public function getInfo()
+ {
+ if (empty($this->_info) === true) {
+ $this->_write($this->_prepare());
+ $timestamp = $this->_extract($this->_read());
+ }
+
+ return $this->_info;
+ }
+
+ /**
+ * Query this timeserver without using the fallback mechanism
+ *
+ * @param string|Zend_Locale $locale (Optional) Locale
+ * @return Zend_Date
+ */
+ public function getDate($locale = null)
+ {
+ $this->_write($this->_prepare());
+ $timestamp = $this->_extract($this->_read());
+
+ $date = new Zend_Date($this, null, $locale);
+ return $date;
+ }
+}
diff --git a/library/vendor/Zend/TimeSync/Sntp.php b/library/vendor/Zend/TimeSync/Sntp.php
new file mode 100644
index 0000000..6ad0a5e
--- /dev/null
+++ b/library/vendor/Zend/TimeSync/Sntp.php
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id$
+ */
+
+/**
+ * Zend_TimeSync_Protocol
+ */
+
+/**
+ * SNTP Protocol handling class
+ *
+ * @category Zend
+ * @package Zend_TimeSync
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_TimeSync_Sntp extends Zend_TimeSync_Protocol
+{
+ /**
+ * Port number for this timeserver
+ *
+ * @var integer
+ */
+ protected $_port = 37;
+
+ /**
+ * Socket delay
+ *
+ * @var integer
+ */
+ private $_delay;
+
+ /**
+ * Class constructor, sets the timeserver and port number
+ *
+ * @param string $timeserver Timeserver to connect to
+ * @param integer $port Port of the timeserver when it differs from the default port
+ */
+ public function __construct($timeserver, $port)
+ {
+ $this->_timeserver = 'udp://' . $timeserver;
+ if ($port !== null) {
+ $this->_port = $port;
+ }
+ }
+
+ /**
+ * Prepares the data that will be send to the timeserver
+ *
+ * @return array
+ */
+ protected function _prepare()
+ {
+ return "\n";
+ }
+
+ /**
+ * Reads the data returned from the timeserver
+ *
+ * @return string
+ */
+ protected function _read()
+ {
+ $result = fread($this->_socket, 49);
+ $this->_delay = (($this->_delay - time()) / 2);
+
+ return $result;
+ }
+
+ /**
+ * Writes data to to the timeserver
+ *
+ * @param string $data Data to write to the timeserver
+ * @return void
+ */
+ protected function _write($data)
+ {
+ $this->_connect();
+ $this->_delay = time();
+ fputs($this->_socket, $data);
+ }
+
+ /**
+ * Extracts the data returned from the timeserver
+ *
+ * @param string $result Data to extract
+ * @return integer
+ */
+ protected function _extract($result)
+ {
+ $dec = hexdec('7fffffff');
+ $time = abs(($dec - hexdec(bin2hex($result))) - $dec);
+ $time -= 2208988800;
+ // Socket delay
+ $time -= $this->_delay;
+
+ $this->_info['offset'] = $this->_delay;
+
+ return $time;
+ }
+}