diff options
Diffstat (limited to 'phpBB/includes/functions.php')
| -rw-r--r-- | phpBB/includes/functions.php | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index 4fa041bfd1..b449f5985e 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -2705,6 +2705,52 @@ function truncate_string($string, $max_length = 60) return implode('', array_slice($chars, 0, $max_length)); } + +/** +* Wrapper for php's checkdnsrr function +* The windows failover is from this page: http://www.zend.com/codex.php?id=370&single=1 +* Please make sure to check the return value for === true and === false, since NULL could +* be returned too. +* +* @return true if entry found, false if not, NULL if this function is not supported by this environment +*/ +function phpbb_checkdnsrr($host, $type = '') +{ + $type = (!$type) ? 'MX' : $type; + + if (strpos(PHP_OS, 'WIN') !== false) + { + if (!function_exists('exec')) + { + return NULL; + } + + @exec('nslookup -type=' . escapeshellarg($type) . ' ' . escapeshellarg($host), $output); + + foreach ($output as $line) + { + if (!trim($line)) + { + continue; + } + + // Valid records begin with host name: + if (strpos($line, $host) === 0) + { + return true; + } + } + + return false; + } + else if (function_exists('checkdnsrr')) + { + return (checkdnsrr($domain, $type)) ? true : false; + } + + return NULL; +} + // Handler, header and footer /** @@ -2777,7 +2823,7 @@ function msg_handler($errno, $msg_text, $errfile, $errline) if (!empty($config['board_contact'])) { - echo ' <p>Please notify the board administrator or webmaster : <a href="mailto:' . $config['board_contact'] . '">' . $config['board_contact'] . '</a></p>'; + echo ' <p>Please notify the board administrator or webmaster: <a href="mailto:' . $config['board_contact'] . '">' . $config['board_contact'] . '</a></p>'; } echo ' </div>'; |