126 lines
3.0 KiB
PHP
126 lines
3.0 KiB
PHP
<?php
|
|
|
|
/**
|
|
* DNS Library for handling lookups and updates.
|
|
*
|
|
* Copyright (c) 2020, Mike Pultz <mike@mikepultz.com>. All rights reserved.
|
|
*
|
|
* See LICENSE for more details.
|
|
*
|
|
* @category Networking
|
|
* @package Net_DNS2
|
|
* @author Mike Pultz <mike@mikepultz.com>
|
|
* @copyright 2020 Mike Pultz <mike@mikepultz.com>
|
|
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
|
|
* @link https://netdns2.com/
|
|
* @since File available since Release 0.6.0
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* HINFO Resource Record - RFC1035 section 3.3.2
|
|
*
|
|
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|
|
* / CPU /
|
|
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|
|
* / OS /
|
|
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|
|
*
|
|
*/
|
|
class Net_DNS2_RR_HINFO extends Net_DNS2_RR
|
|
{
|
|
/*
|
|
* computer informatino
|
|
*/
|
|
public $cpu;
|
|
|
|
/*
|
|
* operataing system
|
|
*/
|
|
public $os;
|
|
|
|
/**
|
|
* method to return the rdata portion of the packet as a string
|
|
*
|
|
* @return string
|
|
* @access protected
|
|
*
|
|
*/
|
|
protected function rrToString()
|
|
{
|
|
return $this->formatString($this->cpu) . ' ' . $this->formatString($this->os);
|
|
}
|
|
|
|
/**
|
|
* parses the rdata portion from a standard DNS config line
|
|
*
|
|
* @param array $rdata a string split line of values for the rdata
|
|
*
|
|
* @return boolean
|
|
* @access protected
|
|
*
|
|
*/
|
|
protected function rrFromString(array $rdata)
|
|
{
|
|
$data = $this->buildString($rdata);
|
|
if (count($data) == 2) {
|
|
|
|
$this->cpu = trim($data[0], '"');
|
|
$this->os = trim($data[1], '"');
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* parses the rdata of the Net_DNS2_Packet object
|
|
*
|
|
* @param Net_DNS2_Packet &$packet a Net_DNS2_Packet packet to parse the RR from
|
|
*
|
|
* @return boolean
|
|
* @access protected
|
|
*
|
|
*/
|
|
protected function rrSet(Net_DNS2_Packet &$packet)
|
|
{
|
|
if ($this->rdlength > 0) {
|
|
|
|
$offset = $packet->offset;
|
|
|
|
$this->cpu = Net_DNS2_Packet::label($packet, $offset);
|
|
$this->os = Net_DNS2_Packet::label($packet, $offset);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* returns the rdata portion of the DNS packet
|
|
*
|
|
* @param Net_DNS2_Packet &$packet a Net_DNS2_Packet packet use for
|
|
* compressed names
|
|
*
|
|
* @return mixed either returns a binary packed
|
|
* string or null on failure
|
|
* @access protected
|
|
*
|
|
*/
|
|
protected function rrGet(Net_DNS2_Packet &$packet)
|
|
{
|
|
if (strlen($this->cpu) > 0) {
|
|
|
|
$data = pack('Ca*Ca*', strlen($this->cpu), $this->cpu, strlen($this->os), $this->os);
|
|
|
|
$packet->offset += strlen($data);
|
|
|
|
return $data;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|