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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* DNS Library for handling lookups and updates.
*
* PHP Version 5
*
* Copyright (c) 2010, Mike Pultz <mike@mikepultz.com>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Mike Pultz nor the names of his contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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, STRIC
* 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.
*
* @category Networking
* @package Net_DNS2
* @author Mike Pultz <mike@mikepultz.com>
* @copyright 2010 Mike Pultz <mike@mikepultz.com>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version SVN: $Id: Response.php 124 2011-12-02 23:23:15Z mike.pultz $
* @link http://pear.php.net/package/Net_DNS2
* @since File available since Release 0.6.0
*
*/
/**
* This class handles building new DNS response packets; it parses binary packed
* packets that come off the wire
*
* @category Networking
* @package Net_DNS2
* @author Mike Pultz <mike@mikepultz.com>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @link http://pear.php.net/package/Net_DNS2
* @see Net_DNS2_Packet
*
*/
class Net_DNS2_Packet_Response extends Net_DNS2_Packet
{
/**
* Constructor - builds a new Net_DNS2_Packet_Response object
*
* @param string $data binary DNS packet
* @param integer $size the length of the DNS packet
*
* @throws Net_DNS2_Exception
* @access public
*
*/
public function __construct($data, $size)
{
$this->set($data, $size);
}
/**
* builds a new Net_DNS2_Packet_Response object
*
* @param string $data binary DNS packet
* @param integer $size the length of the DNS packet
*
* @return boolean
* @throws Net_DNS2_Exception
* @access public
*
*/
public function set($data, $size)
{
//
// store the full packet
//
$this->rdata = $data;
$this->rdlength = $size;
//
// parse the header
//
// we don't bother checking the size earlier, because the first thing the
// header class does, it check the size and throw and exception if it's
// invalid.
//
$this->header = new Net_DNS2_Header($this);
//
// parse the questions
//
for ($x = 0; $x < $this->header->qdcount; ++$x) {
$this->question[$x] = new Net_DNS2_Question($this);
}
//
// parse the answers
//
for ($x = 0; $x < $this->header->ancount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->answer[] = $o;
}
}
//
// parse the authority section
//
for ($x = 0; $x < $this->header->nscount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->authority[] = $o;
}
}
//
// parse the additional section
//
for ($x = 0; $x < $this->header->arcount; ++$x) {
$o = Net_DNS2_RR::parse($this);
if (!is_null($o)) {
$this->additional[] = $o;
}
}
return true;
}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* c-hanging-comment-ender-p: nil
* End:
*/
?>
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