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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: $Id$
* @link http://pear.php.net/package/Net_DNS2
* @since File available since Release 0.6.0
*
*/
/**
* SOA Resource Record - RFC1035 section 3.3.13
*
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* / MNAME /
* / /
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* / RNAME /
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | SERIAL |
* | |
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | REFRESH |
* | |
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | RETRY |
* | |
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | EXPIRE |
* | |
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | MINIMUM |
* | |
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*
* @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_RR
*
*/
class Net_DNS2_RR_SOA extends Net_DNS2_RR
{
/*
* The master DNS server
*/
public $mname;
/*
* mailbox of the responsible person
*/
public $rname;
/*
* serial number
*/
public $serial;
/*
* refresh time
*/
public $refresh;
/*
* retry interval
*/
public $retry;
/*
* expire time
*/
public $expire;
/*
* minimum TTL for any RR in this zone
*/
public $minimum;
/**
* method to return the rdata portion of the packet as a string
*
* @return string
* @access protected
*
*/
protected function rrToString()
{
return $this->cleanString($this->mname) . '. ' .
$this->cleanString($this->rname) . '. ' .
$this->serial . ' ' . $this->refresh . ' ' . $this->retry . ' ' .
$this->expire . ' ' . $this->minimum;
}
/**
* 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)
{
$this->mname = $this->cleanString($rdata[0]);
$this->rname = $this->cleanString($rdata[1]);
$this->serial = $rdata[2];
$this->refresh = $rdata[3];
$this->retry = $rdata[4];
$this->expire = $rdata[5];
$this->minimum = $rdata[6];
return true;
}
/**
* parses the rdata of the Net_DNS2_Packet object
*
* @param Net_DNS2_Packet &$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) {
//
// parse the
//
$offset = $packet->offset;
$this->mname = Net_DNS2_Packet::expand($packet, $offset);
$this->rname = Net_DNS2_Packet::expand($packet, $offset);
//
// get the SOA values
//
$x = unpack(
'@' . $offset . '/Nserial/Nrefresh/Nretry/Nexpire/Nminimum/',
$packet->rdata
);
$this->serial = Net_DNS2::expandUint32($x['serial']);
$this->refresh = Net_DNS2::expandUint32($x['refresh']);
$this->retry = Net_DNS2::expandUint32($x['retry']);
$this->expire = Net_DNS2::expandUint32($x['expire']);
$this->minimum = Net_DNS2::expandUint32($x['minimum']);
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->mname) > 0) {
$data = $packet->compress($this->mname, $packet->offset);
$data .= $packet->compress($this->rname, $packet->offset);
$data .= pack(
'N5', $this->serial, $this->refresh, $this->retry,
$this->expire, $this->minimum
);
$packet->offset += 20;
return $data;
}
return null;
}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* c-hanging-comment-ender-p: nil
* End:
*/
?>
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