| 0,0 → 1,105 |
|---|
| <?php |
| |
| /* |
| * IP resolution functions |
| * Copyright 2012 Daniel Marschall, ViaThinkSoft |
| * Version 2012-02-02 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* -- Testcases -- |
| print_r(gethostbynamel6('example.com')); |
| print_r(gethostbynamel6('ipv6.google.com')); |
| print_r(gethostbynamel6('google.de')); |
| print_r(gethostbynamel6('ipv6.google.de')); |
| print_r(gethostbynamel6('abc')); |
| print_r(gethostbynamel6('111.111.111.111')); |
| print_r(gethostbynamel6('2620::2d0:200:0:0:0:10')); |
| */ |
| |
| function resolveip($host) { |
| return gethostbynamel6($host); |
| } |
| |
| # http://www.php.net/manual/en/function.gethostbyname.php#70936 |
| # Modified by ViaThinkSoft |
| |
| # VTS-Modified: try_a default false -> true |
| function gethostbyname6($host, $try_a = /* false */ true) { |
| // get AAAA record for $host |
| // if $try_a is true, if AAAA fails, it tries for A |
| // the first match found is returned |
| // otherwise returns false |
| |
| $dns = gethostbynamel6($host, $try_a); |
| if ($dns == false) { |
| return false; |
| } else { |
| return $dns[0]; |
| } |
| } |
| |
| # VTS-Modified: try_a default false -> true |
| function gethostbynamel6($host, $try_a = /* false */ true) { |
| # Added by VTS |
| $ipfilter = filter_var($host,FILTER_VALIDATE_IP); |
| if ($ipfilter != '') return array($ipfilter); |
| |
| // get AAAA records for $host, |
| // if $try_a is true, if AAAA fails, it tries for A |
| // results are returned in an array of ips found matching type |
| // otherwise returns false |
| |
| $dns6 = dns_get_record($host, DNS_AAAA); |
| if ($try_a == true) { |
| $dns4 = dns_get_record($host, DNS_A); |
| $dns = array_merge($dns4, $dns6); |
| } else { |
| $dns = $dns6; |
| } |
| $ip6 = array(); |
| $ip4 = array(); |
| foreach ($dns as $record) { |
| if ($record["type"] == "A") { |
| $ip4[] = $record["ip"]; |
| } |
| if ($record["type"] == "AAAA") { |
| $ip6[] = $record["ipv6"]; |
| } |
| } |
| |
| # VTS-Modified: IP4+IP6 merged |
| $merged = array_merge($ip4, $ip6); |
| if (count($merged) < 1) { |
| return false; |
| } else { |
| return $merged; |
| } |
| |
| if (count($ip6) < 1) { |
| if ($try_a == true) { |
| if (count($ip4) < 1) { |
| return false; |
| } else { |
| return $ip4; |
| } |
| } else { |
| return false; |
| } |
| } else { |
| return $ip6; |
| } |
| } |
| |
| ?> |