Пример #1
0
 function DoTest($testname, $param, $hostname, $timeout, $params)
 {
     $timer = new TFNTimer();
     if ($param == "") {
         $dnsserver = $hostname;
     } else {
         $dnsserver = $param;
     }
     if ($dnsserver == "") {
         return -3;
     }
     if ($timeout <= 0) {
         $timeout = 60;
     }
     if ($params[4] == 1) {
         $udp = false;
     } else {
         $udp = true;
     }
     if ($params[3] == "" || $params[3] == 0) {
         $port = 53;
     } else {
         $port = $params[3];
     }
     $dns_query = new DNSQuery($dnsserver, $port, $timeout, $udp, false);
     // run with debug off
     $type = $params[2];
     $query = $params[1];
     $timer->Start();
     $answer = $dns_query->Query($query, $type);
     $elapsedTime = $timer->Stop();
     if ($answer === false || $dns_query->error) {
         return -2;
     }
     // query error
     if ($answer->count <= 0) {
         return -1;
     }
     // no records returned
     // otherwise we've got some results ok
     $elapsedTime = round($elapsedTime, 4);
     if ($elapsedTime <= 0) {
         return 0.0001;
     }
     return $elapsedTime;
     break;
 }
Пример #2
0
 function DoTest($testname, $param, $hostname, $timeout, $params)
 {
     $timer = new TFNTimer();
     // First initialise DNS query object
     $dnsserver = $params[1];
     if ($dnsserver == "") {
         return -3;
     }
     $dnsserver = ip_lookup($dnsserver);
     $url = $param;
     $dns_delay = $params[2];
     if ($dns_delay == 0 || !is_numeric($dns_delay)) {
         $dns_delay = 0;
     }
     // default no extra delay
     if ($timeout <= 0) {
         $timeout = 60;
     }
     $udp = true;
     // initial setting
     $port = 53;
     $dns_query = new DNSQuery($dnsserver, $port, $timeout, $udp, false);
     // run with debug off
     $type = "A";
     $matches = "";
     $out = preg_match("@^(?:http[s]*://)?([^/|\\?|:]+)@i", $url, $matches);
     $hostname = $matches[1];
     // strip out hostname for FQDN lookup
     $host_no_dots = str_replace(".", "", $hostname);
     if (is_numeric($host_no_dots)) {
         $is_ip_address = true;
     } else {
         $is_ip_address = false;
     }
     $timer->Start();
     if (!$is_ip_address) {
         $answer = $dns_query->Query($hostname, $type);
         //echo "DNS";
         if ($answer === false || $dns_query->error) {
             $udp = false;
             // switch to TCP
             $dns_query->udp = $udp;
             // wait!
             while ($timer->Stop() < $dns_delay) {
                 usleep(100);
             }
             $answer = $dns_query->Query($hostname, $type);
             //echo "DNS2";
         }
         if ($answer->count <= 0) {
             return -1;
         }
         // no records returned
         if ($answer === false) {
             return -1;
         }
         // object is false
         if ($dns_query->error) {
             return -1;
         }
         // DNS object error
         $dns_time_taken = $timer->Stop();
         // if we get this far the DNS has worked
         $ip_address = url_lookup($url);
         // pre-cache DNS
     } else {
         $dns_time_taken = 0;
     }
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
     curl_setopt($ch, CURLOPT_HEADER, 1);
     curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
     curl_setopt($ch, CURLOPT_MAXREDIRS, 32);
     if ($timeout > 0) {
         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
     }
     if ($timeout > 0) {
         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
     }
     // restart timer
     $timer->Start();
     if (!($output = curl_exec($ch))) {
         $ctr = -1;
         // failed
     } else {
         $ctr = round(curl_getinfo($ch, CURLINFO_SIZE_DOWNLOAD) / 1024, 2);
     }
     $fetch_time_taken = $timer->Stop();
     curl_close($ch);
     if ($ctr <= 0) {
         return -2;
     }
     // URL request failed
     return $dns_time_taken + $fetch_time_taken;
     // return elapsed time taken
 }
?>
>
	<table class="form-table no-margin">
	<?php 
if ($dkim && mymail_option('dkim_private_key') && mymail_option('dkim_public_key')) {
    ?>
		<tr valign="top">
			<th scope="row">&nbsp;</th>
			<td>
				<?php 
    $pubkey = trim(str_replace(array('-----BEGIN PUBLIC KEY-----', '-----END PUBLIC KEY-----', "\n", "\r"), '', mymail_option('dkim_public_key')));
    $record = 'k=rsa;t=y;' . "\n" . 'p=' . $pubkey;
    $host = mymail_option('dkim_selector') . '._domainkey.' . mymail_option('dkim_domain');
    if (false === ($records = get_transient('mymail_dkim_records'))) {
        require_once MYMAIL_DIR . '/classes/libs/dns.class.php';
        $dns_query = new DNSQuery('8.8.8.8');
        $result = $dns_query->Query($host, 'TXT');
        if ($result->count) {
            $records = json_decode(json_encode($result->results), true);
            set_transient('mymail_dkim_records', $records, 900);
        }
    }
    $found = false;
    if ($records) {
        foreach ($records as $r) {
            if ($r['typeid'] === 'TXT' && preg_replace('#[^a-zA-Z0-9]#', '', $r['data']) == preg_replace('#[^a-zA-Z0-9]#', '', $record)) {
                $found = $r;
                break;
            }
        }
    }
Пример #4
0
    $s = "";
}
echo "<input type=checkbox name=binarydebug value=1" . $s . "> Binary Debug<br>";
if ($extendanswer) {
    $s = " checked";
} else {
    $s = "";
}
echo "<input type=checkbox name=extendanswer value=1" . $s . "> Show Detail<br>";
echo "</td></tr><tr><td>&nbsp;</td><td>";
echo "<input type=submit value=\"Perform DNS Query\"><br>";
echo "</td></tr></table>";
// ** HERE IS THE QUERY SECTION ** //
if (isset($_REQUEST['doquery'])) {
    echo "<pre>";
    $query = new DNSQuery($server, $port, $timeout, $udp, $debug);
    if ($binarydebug) {
        $query->binarydebug = true;
    }
    if ($type == "SMARTA") {
        echo "Smart A Lookup for " . $question . "\n\n";
        $hostname = $query->SmartALookup($question);
        echo "Result: " . $hostname . "\n\n";
        echo "</pre>";
        Screen_Footer();
        exit;
    }
    echo "Querying: " . $question . " -t " . $type . " @" . $server . "\n";
    $result = $query->Query($question, $type);
    if ($query->error) {
        echo "\nQuery Error: " . $query->lasterror . "\n\n";