public function get_arpa($response, $identifier, &$out = null, $extra_props = false)
{
$arpa = HelperFunctions::ip_to_arpa($identifier);
for ($i = 0; ($ret = HelperFunctions::truncate_arpa($arpa, $i)) !== false; $i++) {
$response = ZoneFunctions::get_zone($response, $ret, $out);
if ($response->code !== Response::NOTFOUND) {
foreach ($out['records'] as $record) {
if ($record['type'] == "PTR" && HelperFunctions::ipv6_expand($identifier) == HelperFunctions::arpa_to_ip($record['name'])) {
$output = array("name" => $record['name'], "ip" => $identifier, "reverse_dns" => $record['content'], "arpa_zone" => $ret);
if ($extra_props) {
$output['ttl'] = $record['ttl'];
$output['priority'] = $record['priority'];
}
$response->code = Response::OK;
$response->body = $output;
$response->log_message = sprintf("Retrieved Arpa zone '%s' for IP '%s'", $record['name'], $identifier);
$out = $output;
return $response;
}
}
}
}
$response->code = Response::NOTFOUND;
$response->error = "Could not find the Arpa zone for IP " . $identifier;
$response->error_detail = "ARPA_NO_ZONE_FOR_IP";
$out = false;
return $response;
}
