/**
* 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)
{
//
// pull the salt and build the length
//
$salt = pack('H*', $this->salt);
$this->salt_length = strlen($salt);
//
// pack the algorithm, flags, iterations and salt length
//
$data = pack('CCnC', $this->algorithm, $this->flags, $this->iterations, $this->salt_length);
$data .= $salt;
//
// add the hash length and hash
//
$data .= chr($this->hash_length);
if ($this->hash_length > 0) {
$data .= base64_decode($this->hashed_owner_name);
}
//
// conver the array of RR names to a type bitmap
//
$data .= Net_DNS2_BitMap::arrayToBitMap($this->type_bit_maps);
return $data;
}
/**
* returns the rdata portion of the DNS packet
*
* @param Net_DNS2_Packet &$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->next_domain_name) > 0) {
$data = $packet->compress($this->next_domain_name, $packet->offset);
$bitmap = Net_DNS2_BitMap::arrayToBitMap($this->type_bit_maps);
$packet->offset += strlen($bitmap);
return $data . $bitmap;
}
return null;
}
/**
* returns the rdata portion of the DNS packet
*
* @param Net_DNS2_Packet &$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)
{
//
// pack the serial and flags values
//
$data = pack('Nn', $this->serial, $this->flags);
//
// convert the array of RR names to a type bitmap
//
$data .= Net_DNS2_BitMap::arrayToBitMap($this->type_bit_maps);
//
// advance the offset
//
$packet->offset += strlen($data);
return $data;
}
