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<?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 1.3.2 * */ /** * EUI64 Resource Record - RFC7043 section 4.1 * * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | EUI-64 Address | * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * */ class Net_DNS2_RR_EUI64 extends Net_DNS2_RR { /* * The EUI64 address, in hex format */ public $address; /** * method to return the rdata portion of the packet as a string * * @return string * @access protected * */ protected function rrToString() { return $this->address; } /** * 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) { $value = array_shift($rdata); // // re: RFC 7043, the field must be represented as 8 two-digit hex numbers // separated by hyphens. // $a = explode('-', $value); if (count($a) != 8) { return false; } // // make sure they're all hex values // foreach ($a as $i) { if (ctype_xdigit($i) == false) { return false; } } // // store it // $this->address = strtolower($value); 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) { $x = unpack('C8', $this->rdata); if (count($x) == 8) { $this->address = vsprintf( '%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x', $x ); return true; } } return false; } /** * returns the rdata portion of the DNS packet * * @param Net_DNS2_Packet &$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) { $data = ''; $a = explode('-', $this->address); foreach ($a as $b) { $data .= chr(hexdec($b)); } $packet->offset += 8; return $data; } }
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