mirror of
https://github.com/danog/dns.git
synced 2024-11-26 20:14:51 +01:00
Merge pull request #12 from Danack/addedSamplePackets
Added sample packets - tests are broken due to the uncommented test.
This commit is contained in:
Danack
commit
d18d4958e5
@ -31,7 +31,7 @@ class ResolverTest extends \PHPUnit_Framework_TestCase {
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/**
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* @return Resolver
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*/
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function createResolver($reactor)
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function createResolver($reactor, $createClient = true)
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{
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$nameValidator = new NameValidator;
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$cache = new Cache\MemoryCache;
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@ -42,18 +42,22 @@ class ResolverTest extends \PHPUnit_Framework_TestCase {
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$requestTimeout = null;
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$hostsFilePath = null;
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$client = new Client(
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$reactor,
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new RequestBuilder(
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new MessageFactory,
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new QuestionFactory,
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(new EncoderFactory)->create()
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),
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new ResponseInterpreter(
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(new DecoderFactory)->create()
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),
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$cache, $serverAddr, $serverPort, $requestTimeout
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);
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$client = null;
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if ($createClient) {
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$client = new Client(
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$reactor,
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new RequestBuilder(
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new MessageFactory,
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new QuestionFactory,
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(new EncoderFactory)->create()
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),
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new ResponseInterpreter(
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(new DecoderFactory)->create()
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),
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$cache, $serverAddr, $serverPort, $requestTimeout
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);
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}
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$hostsFile = new HostsFile($nameValidator, __DIR__.'/../fixtures/resolverTest.txt');
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$resolver = new Resolver($reactor, $nameValidator, $client, $hostsFile);
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@ -199,4 +203,29 @@ class ResolverTest extends \PHPUnit_Framework_TestCase {
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$this->assertSame('192.168.1.3', $resultAddr2);
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$this->assertSame(AddressModes::INET4_ADDR, $resultType1);
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}
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function testWithoutClient()
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{
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$reactor = (new ReactorFactory)->select();
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$resolver = $this->createResolver($reactor, false);
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$names = ["host1.example.com", 'news.bbc.co.uk'];
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$results = [];
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foreach ($names as $name) {
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$resolver->resolve($name, function($addr) use($name, $resolver, &$results) {
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$results[] = [$name, $addr];
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});
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}
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$reactor->run();
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$this->assertCount(
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count($names),
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$results,
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"At least one of the name lookups did not call the callback."
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);
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}
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}
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@ -8,8 +8,137 @@ use Alert\ReactorFactory;
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use Addr\ResponseInterpreter;
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use LibDNS\Decoder\DecoderFactory;
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function getPacketString(array $bytes)
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{
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$packet = '';
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foreach ($bytes as $byte) {
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$packet .= chr($byte);
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}
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return $packet;
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}
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class ResponseInterpreterTest extends \PHPUnit_Framework_TestCase
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{
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//Example packets below are taken from http://wiki.wireshark.org/SampleCaptures:
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//"Standard query response","DNS","70","domain","32795","6"
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static private $standardQueryResponse = [
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0x49, 0xa1, 0x81, 0x80, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x06, 0x67, 0x6f, 0x6f,
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0x67, 0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00,
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0x00, 0x1d, 0x00, 0x01
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];
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//"Standard query response PTR 66-192-9-104.gen.twtelecom.net","DNS","129","domain","32795","8"
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static private $standardQueryResponsePTR = [
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0x9b, 0xbb, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x31, 0x30, 0x34,
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0x01, 0x39, 0x03, 0x31, 0x39, 0x32, 0x02, 0x36,
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0x36, 0x07, 0x69, 0x6e, 0x2d, 0x61, 0x64, 0x64,
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0x72, 0x04, 0x61, 0x72, 0x70, 0x61, 0x00, 0x00,
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0x0c, 0x00, 0x01, 0xc0, 0x0c, 0x00, 0x0c, 0x00,
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0x01, 0x00, 0x01, 0x51, 0x25, 0x00, 0x20, 0x0c,
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0x36, 0x36, 0x2d, 0x31, 0x39, 0x32, 0x2d, 0x39,
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0x2d, 0x31, 0x30, 0x34, 0x03, 0x67, 0x65, 0x6e,
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0x09, 0x74, 0x77, 0x74, 0x65, 0x6c, 0x65, 0x63,
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0x6f, 0x6d, 0x03, 0x6e, 0x65, 0x74, 0x00
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];
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//"Standard query response A 204.152.190.12","DNS","90","domain","32795","10"
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static private $standardQueryResponseA = [
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0x75, 0xc0, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77,
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0x06, 0x6e, 0x65, 0x74, 0x62, 0x73, 0x64, 0x03,
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0x6f, 0x72, 0x67, 0x00, 0x00, 0x01, 0x00, 0x01,
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0xc0, 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01,
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0x40, 0xef, 0x00, 0x04, 0xcc, 0x98, 0xbe, 0x0c
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];
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//"Standard query response AAAA 2001:4f8:4:7:2e0:81ff:fe52:9a6b","DNS","102","domain","32795","14"
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static private $standardQueryResponseIPV6 = [
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0x7f, 0x39, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77,
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0x06, 0x6e, 0x65, 0x74, 0x62, 0x73, 0x64, 0x03,
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0x6f, 0x72, 0x67, 0x00, 0x00, 0x1c, 0x00, 0x01,
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0xc0, 0x0c, 0x00, 0x1c, 0x00, 0x01, 0x00, 0x01,
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0x51, 0x44, 0x00, 0x10, 0x20, 0x01, 0x04, 0xf8,
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0x00, 0x04, 0x00, 0x07, 0x02, 0xe0, 0x81, 0xff,
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0xfe, 0x52, 0x9a, 0x6b
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];
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//"Standard query response CNAME www.l.google.com","DNS","94","domain","32795","16"
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static private $standardQueryResponseCNAME = [
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0x8d, 0xb3, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77,
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0x06, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x03,
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0x63, 0x6f, 0x6d, 0x00, 0x00, 0x1c, 0x00, 0x01,
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0xc0, 0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00,
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0x02, 0x79, 0x00, 0x08, 0x03, 0x77, 0x77, 0x77,
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0x01, 0x6c, 0xc0, 0x10
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];
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//Standard query response, No such name DNS 79 domain 32795 22
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static private $standardQueryResponseNoSuchName = [
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0x26, 0x6d, 0x85, 0x83, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77,
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0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65,
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0x07, 0x6e, 0x6f, 0x74, 0x67, 0x69, 0x6e, 0x68,
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0x00, 0x00, 0x1c, 0x00, 0x01
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];
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//"Standard query response AAAA 2001:4f8:0:2::d A 204.152.184.88","DNS","115","domain","32795","24
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static private $standardQueryResponseMixed = [
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0xfe, 0xe3, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77,
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0x03, 0x69, 0x73, 0x63, 0x03, 0x6f, 0x72, 0x67,
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0x00, 0x00, 0xff, 0x00, 0x01, 0xc0, 0x0c, 0x00,
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0x1c, 0x00, 0x01, 0x00, 0x00, 0x02, 0x58, 0x00,
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0x10, 0x20, 0x01, 0x04, 0xf8, 0x00, 0x00, 0x00,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x0d, 0xc0, 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00,
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0x00, 0x02, 0x58, 0x00, 0x04, 0xcc, 0x98, 0xb8,
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0x58
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];
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//Standard query response AAAA 2001:4f8:0:2::d A 204.152.184.88 DNS 115 domain 32795 24
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static private $multipleResponse = [
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0xfe, 0xe3, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x77, 0x77, 0x77,
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0x03, 0x69, 0x73, 0x63, 0x03, 0x6f, 0x72, 0x67,
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0x00, 0x00, 0xff, 0x00, 0x01, 0xc0, 0x0c, 0x00,
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0x1c, 0x00, 0x01, 0x00, 0x00, 0x02, 0x58, 0x00,
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0x10, 0x20, 0x01, 0x04, 0xf8, 0x00, 0x00, 0x00,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x0d, 0xc0, 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00,
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0x00, 0x02, 0x58, 0x00, 0x04, 0xcc, 0x98, 0xb8,
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0x58
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];
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static private $bbcNews = [
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//This should be equivalent to
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// ;; ANSWER SECTION:
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// news.bbc.co.uk. 655 IN CNAME newswww.bbc.net.uk.
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// newswww.bbc.net.uk. 174 IN A 212.58.246.82
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// newswww.bbc.net.uk. 174 IN A 212.58.246.83
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0xe1, 0x16, 0x81, 0x80, 0x00, 0x01, 0x00, 0x03,
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0x00, 0x00, 0x00, 0x00, 0x04, 0x6e, 0x65, 0x77,
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0x73, 0x03, 0x62, 0x62, 0x63, 0x02, 0x63, 0x6f,
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0x02, 0x75, 0x6b, 0x00, 0x00, 0x01, 0x00, 0x01,
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0xc0, 0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00,
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0x02, 0x8f, 0x00, 0x12, 0x07, 0x6e, 0x65, 0x77,
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0x73, 0x77, 0x77, 0x77, 0x03, 0x62, 0x62, 0x63,
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0x03, 0x6e, 0x65, 0x74, 0xc0, 0x18, 0xc0, 0x2c,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0xae,
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0x00, 0x04, 0xd4, 0x3a, 0xf6, 0x52, 0xc0, 0x2c,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0xae,
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0x00, 0x04, 0xd4, 0x3a, 0xf6, 0x53
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];
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public function testCatchesExceptionAndReturnsNull()
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{
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$decoder = \Mockery::mock('LibDNS\Decoder\Decoder');
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@ -45,39 +174,13 @@ class ResponseInterpreterTest extends \PHPUnit_Framework_TestCase
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$result = $responseInterpreter->decode("SomePacket");
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$this->assertNull($result);
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}
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// Test string below was generated with
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//
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// function getSaneString($result) {
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// $resultInHex = unpack('H*', $result);
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// $resultInHex = $resultInHex[1];
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//
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// $charsAsHex = str_split($resultInHex, 2);
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//
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// $output = '';
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//
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// foreach ($charsAsHex as $charAsHex) {
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// $decimal = hexdec($charAsHex);
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// if ($decimal >= 32 && $decimal <= 126) {
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// $output .= chr($decimal);
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// }
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// else {
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// $output .= '\x'.$charAsHex;
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// }
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// }
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//
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// return $output;
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// }
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/**
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* @group CNAME
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*/
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public function testCNAME()
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public function testNewsBBC()
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{
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$testPacket = "\x00\x00\x81\x80\x00\x01\x00\x03\x00\x00\x00\x00\x04news\x03bbc\x02co\x02uk\x00\x00\x01\x00\x01\xc0\x0c\x00\x05\x00\x01\x00\x00\x01W\x00\x12\x07newswww\x03bbc\x03net\xc0\x18\xc0,\x00\x01\x00\x01\x00\x00\x00\xd2\x00\x04\xd4:\xf6P\xc0,\x00\x01\x00\x01\x00\x00\x00\xd2\x00\x04\xd4:\xf6Q";
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$testPacket = getPacketString(self::$bbcNews);
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$decoder = (new DecoderFactory)->create();
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$responseInterpreter = new ResponseInterpreter($decoder);
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@ -89,17 +192,124 @@ class ResponseInterpreterTest extends \PHPUnit_Framework_TestCase
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$interpreted = $responseInterpreter->interpret($response, AddressModes::INET4_ADDR);
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list($type, $addr, $ttl) = $interpreted;
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$this->assertEquals(AddressModes::INET4_ADDR, $type);
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$this->assertSame("212.58.246.80", $addr);
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$this->assertSame(210, $ttl);
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//@TODO - this should be multiple - 212.58.246.82 and 212.58.246.83
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$this->assertSame("212.58.246.82", $addr);
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$this->assertSame(174, $ttl);
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$interpreted = $responseInterpreter->interpret($response, AddressModes::INET6_ADDR);
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$this->markTestSkipped("I am unsure what the correct response should be.");
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//list($type, $addr, $ttl) = $interpreted;
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//This looks borked - it's returning the CNAME but as the asserts above are going to fail
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// this won't be reached.
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//$type = 8 aka CNAME
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//$addr = "newswww.bbc.net.uk" aka CNAME
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//$ttl = null
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$this->assertNull($interpreted);
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}
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function createResponseInterpreter()
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{
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$decoder = (new DecoderFactory)->create();
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$responseInterpreter = new ResponseInterpreter($decoder);
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return $responseInterpreter;
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}
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function testNoResults()
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{
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$responseInterpreter = $this->createResponseInterpreter();
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$packet = getPacketString(self::$standardQueryResponse);
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$decoded = $responseInterpreter->decode($packet);
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list($id, $message) = $decoded;
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET4_ADDR);
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$this->assertNull($interpreted);
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET6_ADDR);
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$this->assertNull($interpreted);
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}
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function testNoSuchName()
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{
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$responseInterpreter = $this->createResponseInterpreter();
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$packet = getPacketString(self::$standardQueryResponseNoSuchName);
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$decoded = $responseInterpreter->decode($packet);
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list($id, $message) = $decoded;
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET4_ADDR);
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$this->assertNull($interpreted, "Response with 'no such name' was not interpreted to null.");
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}
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function testMixed()
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{
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$responseInterpreter = $this->createResponseInterpreter();
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$packet = getPacketString(self::$standardQueryResponseMixed);
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$decoded = $responseInterpreter->decode($packet);
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list($id, $message) = $decoded;
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//Get the IPv4 part
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET4_ADDR);
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list($type, $addr, $ttl) = $interpreted;
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$this->assertEquals(AddressModes::INET4_ADDR, $type);
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$this->assertEquals('204.152.184.88', $addr);
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$this->assertEquals(600, $ttl);
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//Get the IPv6 part
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET6_ADDR);
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list($type, $addr, $ttl) = $interpreted;
|
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$this->assertEquals(AddressModes::INET6_ADDR, $type);
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$this->assertEquals('2001:4f8:0:2::d', $addr);
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$this->assertEquals(600, $ttl);
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}
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|
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function testIPv4()
|
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{
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$responseInterpreter = $this->createResponseInterpreter();
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$packet = getPacketString(self::$standardQueryResponseA);
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$decoded = $responseInterpreter->decode($packet);
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list($id, $message) = $decoded;
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|
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//Get the IPv4 part
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET4_ADDR);
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list($type, $addr, $ttl) = $interpreted;
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$this->assertEquals(AddressModes::INET4_ADDR, $type);
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$this->assertEquals('204.152.190.12', $addr);
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$this->assertEquals(82159, $ttl);
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|
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//Get the IPv6 part
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET6_ADDR);
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$this->assertNull($interpreted);
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}
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|
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function testIPv6()
|
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{
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$responseInterpreter = $this->createResponseInterpreter();
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$packet = getPacketString(self::$standardQueryResponseIPV6);
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$decoded = $responseInterpreter->decode($packet);
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list($id, $message) = $decoded;
|
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|
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//Get the IPv4 part
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET4_ADDR);
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$this->assertNull($interpreted);
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|
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//Get the IPv6 part
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$interpreted = $responseInterpreter->interpret($message, AddressModes::INET6_ADDR);
|
||||
list($type, $addr, $ttl) = $interpreted;
|
||||
$this->assertEquals(AddressModes::INET6_ADDR, $type);
|
||||
$this->assertEquals('2001:4f8:4:7:2e0:81ff:fe52:9a6b', $addr);
|
||||
$this->assertEquals(86340, $ttl);
|
||||
}
|
||||
|
||||
function testCnameResponse()
|
||||
{
|
||||
$responseInterpreter = $this->createResponseInterpreter();
|
||||
$packet = getPacketString(self::$standardQueryResponseCNAME);
|
||||
$decoded = $responseInterpreter->decode($packet);
|
||||
list($id, $message) = $decoded;
|
||||
|
||||
//Try to get an IPv4 answer - but actually get a CNAME
|
||||
$interpreted = $responseInterpreter->interpret($message, AddressModes::INET4_ADDR);
|
||||
list($type, $addr, $ttl) = $interpreted;
|
||||
$this->assertEquals(AddressModes::CNAME, $type);
|
||||
$this->assertEquals('www.l.google.com', $addr);
|
||||
|
||||
//Try to get an IPv6 answer - but actually get a CNAME
|
||||
$interpreted = $responseInterpreter->interpret($message, AddressModes::INET6_ADDR);
|
||||
list($type, $addr, $ttl) = $interpreted;
|
||||
$this->assertEquals(AddressModes::CNAME, $type);
|
||||
$this->assertEquals('www.l.google.com', $addr);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user