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index.php
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index.php
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<?php // DNS PHP API Example
/* -------------------------------------------------------------
This file is the PurplePixie PHP DNS Query Classes
The software is (C) Copyright 2008-2016 PurplePixie Systems
This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The software is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this software. If not, see www.gnu.org/licenses
For more information see www.purplepixie.org/phpdns
-------------------------------------------------------------- */
// Below is the recommended way to load PHP DNS, with individual
// classes:
use PurplePixie\PhpDns\DNSAnswer;
use PurplePixie\PhpDns\DNSQuery;
use PurplePixie\PhpDns\DNSTypes;
require_once __DIR__ . '/src/PurplePixie/PhpDns/DNSAnswer.php';
require_once __DIR__ . '/src/PurplePixie/PhpDns/DNSQuery.php';
require_once __DIR__ . '/src/PurplePixie/PhpDns/DNSResult.php';
require_once __DIR__ . '/src/PurplePixie/PhpDns/DNSTypes.php';
// Here is the legacy way (single file to load classes) BUT must
// now also have the namespace line:
/*
require_once("dns.inc.php");
use PurplePixie\PhpDns\DNSQuery;
*/
// ** IGNORE THIS - It's just the web form ** //
$server = isset($_REQUEST['server']) ? $_REQUEST['server'] : "127.0.0.1";
$port = isset($_REQUEST['port']) ? $_REQUEST['port'] : 53;
$timeout = isset($_REQUEST['timeout']) ? $_REQUEST['timeout'] : 60;
$udp = isset($_REQUEST['tcp']) ? false : true;
$debug = isset($_REQUEST['debug']) ? true : false;
$binarydebug = isset($_REQUEST['binarydebug']) ? true : false;
$extendanswer = isset($_REQUEST['extendanswer']) ? true : false;
$type = isset($_REQUEST['type']) ? $_REQUEST['type'] : "A";
$question = isset($_REQUEST['question']) ? $_REQUEST['question'] : "www.purplepixie.org";
echo "<html><title>DNS Web Example</title><body>";
echo "<form action=./ method=get>";
echo "<input type=hidden name=doquery value=1>";
echo "Query <input type=text name=question size=50 value=\"".$question."\"> ";
echo "<select name=type>";
echo "<option value=".$type.">".$type."</option>";
$types=new DNSTypes();
$types2=$types->getAllTypeNamesSorted();
foreach ($types2 as $name) {
echo "<option value=\"$name\">$name</option>";
}
echo "<option value=SMARTA>SmartA</option>";
echo "</select><br>";
echo "on nameserver <input type=text name=server size=30 value=\"".$server."\"> ";
echo "port <input type=text name=port size=4 value=\"".$port."\"><br>";
if (!$udp) $s=" checked";
else $s="";
echo "<input type=checkbox name=tcp value=1".$s."> use TCP, ";
if ($debug) $s=" checked";
else $s="";
echo "<input type=checkbox name=debug value=1".$s."> show debug, ";
if ($binarydebug) $s=" checked";
else $s="";
echo "<input type=checkbox name=binarydebug value=1".$s."> show binary,";
if ($extendanswer) $s=" checked";
else $s="";
echo "<input type=checkbox name=extendanswer value=1".$s."> show detail<br>";
echo "<input type=submit value=\"Perform DNS Query\"><br>";
// ** HERE IS THE QUERY SECTION ** //
if (isset($_REQUEST['doquery'])) {
echo "<pre>";
$query=new DNSQuery($server,$port,$timeout,$udp,$debug,$binarydebug);
if ($type=="SMARTA") {
echo "Smart A Lookup for ".$question."\n\n";
$hostname=$query->smartALookup($question);
echo "Result: ".$hostname."\n\n";
echo "</pre>";
exit();
}
echo "Querying: ".$question." -t ".$type." @".$server."\n";
$result=$query->query($question,$type);
if ($query->hasError()) {
echo "\nQuery Error: ".$query->getLasterror()."\n\n";
exit();
}
echo "Returned ".count($result)." Answers\n\n";
ShowSection($result);
if ($extendanswer) {
echo "\nNameserver Records: ".count($query->getLastnameservers())."\n";
ShowSection($query->getLastnameservers());
echo "\nAdditional Records: ".count($query->getLastadditional())."\n";
ShowSection($query->getLastadditional());
}
echo "</pre>";
}
function ShowSection(DNSAnswer $result)
{
global $extendanswer;
foreach ($result as $index => $record) {
echo $index.". ";
if ($record->getString()=="") {
echo $record->getTypeid() . "(" . $record->getTypename() . ") => " . $record->getData();
} else {
echo $record->getString();
}
echo "\n";
if ($extendanswer) {
echo " - record type = ".$record->getTypeid()." (# ".$record->getTypename().")\n";
echo " - record data = ".$record->getData()."\n";
echo " - record ttl = ".$record->getTtl()."\n";
// additional data
if (count($record->getExtras()) > 0) {
foreach($record->getExtras() as $key => $val) {
echo " + ".$key." = ".$val."\n";
}
}
}
echo "\n";
}
}