Examples with DNSMessage org.minidns.dnsmessage.DNSMessage used on opensource projects

Example 46 with DNSMessage

use of org.minidns.dnsmessage.DNSMessage in project minidns by MiniDNS.

the class DNSMessageTest method testRootDnskeyLookup.

@Test
public void testRootDnskeyLookup() throws Exception {
    DNSMessage m = getMessageFromResource("root-dnskey");
    assertFalse(m.authoritativeAnswer);
    assertTrue(m.recursionDesired);
    assertTrue(m.recursionAvailable);
    List<Record<? extends Data>> answers = m.answerSection;
    assertEquals(3, answers.size());
    for (int i = 0; i < answers.size(); i++) {
        Record<? extends Data> answer = answers.get(i);
        assertCsEquals(".", answer.name);
        assertEquals(19593, answer.getTtl());
        assertEquals(TYPE.DNSKEY, answer.type);
        assertEquals(TYPE.DNSKEY, answer.getPayload().getType());
        DNSKEY dnskey = (DNSKEY) answer.getPayload();
        assertEquals(3, dnskey.protocol);
        assertEquals(SignatureAlgorithm.RSASHA256, dnskey.algorithm);
        assertTrue((dnskey.flags & DNSKEY.FLAG_ZONE) > 0);
        assertEquals(dnskey.getKeyTag(), dnskey.getKeyTag());
        switch(i) {
            case 0:
                assertTrue((dnskey.flags & DNSKEY.FLAG_SECURE_ENTRY_POINT) > 0);
                assertEquals(260, dnskey.getKeyLength());
                assertEquals(19036, dnskey.getKeyTag());
                break;
            case 1:
                assertEquals(DNSKEY.FLAG_ZONE, dnskey.flags);
                assertEquals(132, dnskey.getKeyLength());
                assertEquals(48613, dnskey.getKeyTag());
                break;
            case 2:
                assertEquals(DNSKEY.FLAG_ZONE, dnskey.flags);
                assertEquals(132, dnskey.getKeyLength());
                assertEquals(1518, dnskey.getKeyTag());
                break;
        }
    }
    List<Record<? extends Data>> arr = m.additionalSection;
    assertEquals(1, arr.size());
    Record<? extends Data> opt = arr.get(0);
    EDNS edns = EDNS.fromRecord(opt);
    assertEquals(512, edns.udpPayloadSize);
    assertEquals(0, edns.version);
}

Example 47 with DNSMessage

use of org.minidns.dnsmessage.DNSMessage in project minidns by MiniDNS.

the class DNSMessageTest method testMessageSelfQuestionReconstruction.

@Test
public void testMessageSelfQuestionReconstruction() throws Exception {
    DNSMessage.Builder dmb = DNSMessage.builder();
    dmb.setQuestion(new Question("www.example.com", TYPE.A));
    dmb.setRecursionDesired(true);
    dmb.setId(42);
    dmb.setQrFlag(true);
    DNSMessage message = new DNSMessage(dmb.build().toArray());
    assertEquals(1, message.questions.size());
    assertEquals(0, message.answerSection.size());
    assertEquals(0, message.additionalSection.size());
    assertEquals(0, message.authoritySection.size());
    assertTrue(message.recursionDesired);
    assertTrue(message.qr);
    assertEquals(42, message.id);
    assertCsEquals("www.example.com", message.questions.get(0).name);
    assertEquals(TYPE.A, message.questions.get(0).type);
}

Example 48 with DNSMessage

use of org.minidns.dnsmessage.DNSMessage in project minidns by MiniDNS.

the class DNSMessageTest method testMXLookup.

@Test
public void testMXLookup() throws Exception {
    DNSMessage m = getMessageFromResource("gmail-mx");
    assertFalse(m.authoritativeAnswer);
    List<Record<? extends Data>> answers = m.answerSection;
    assertEquals(5, answers.size());
    Map<Integer, DNSName> mxes = new TreeMap<>();
    for (Record<? extends Data> r : answers) {
        assertCsEquals("gmail.com", r.name);
        Data d = r.getPayload();
        assertTrue(d instanceof MX);
        assertEquals(TYPE.MX, d.getType());
        mxes.put(((MX) d).priority, ((MX) d).target);
    }
    assertCsEquals("gmail-smtp-in.l.google.com", mxes.get(5));
    assertCsEquals("alt1.gmail-smtp-in.l.google.com", mxes.get(10));
    assertCsEquals("alt2.gmail-smtp-in.l.google.com", mxes.get(20));
    assertCsEquals("alt3.gmail-smtp-in.l.google.com", mxes.get(30));
    assertCsEquals("alt4.gmail-smtp-in.l.google.com", mxes.get(40));
}

Example 49 with DNSMessage

use of org.minidns.dnsmessage.DNSMessage in project minidns by MiniDNS.

the class DNSMessageTest method testExampleNsecLookup.

@Test
public void testExampleNsecLookup() throws Exception {
    DNSMessage m = getMessageFromResource("example-nsec");
    List<Record<? extends Data>> answers = m.answerSection;
    assertEquals(1, answers.size());
    assertEquals(TYPE.NSEC, answers.get(0).type);
    assertEquals(TYPE.NSEC, answers.get(0).payloadData.getType());
    NSEC nsec = (NSEC) answers.get(0).getPayload();
    assertCsEquals("www.example.com", nsec.next);
    ArrayList<TYPE> types = new ArrayList<>(Arrays.asList(TYPE.A, TYPE.NS, TYPE.SOA, TYPE.TXT, TYPE.AAAA, TYPE.RRSIG, TYPE.NSEC, TYPE.DNSKEY));
    for (TYPE type : nsec.types) {
        assertTrue(types.remove(type));
    }
    assertTrue(types.isEmpty());
}

Example 50 with DNSMessage

use of org.minidns.dnsmessage.DNSMessage in project minidns by MiniDNS.

the class NSIDTest method testNsidLRoot.

@IntegrationTest
public static NSID testNsidLRoot() {
    DNSClient client = new DNSClient(null) {

        @Override
        protected Builder newQuestion(Builder message) {
            message.getEdnsBuilder().addEdnsOption(NSID.REQUEST);
            return super.newQuestion(message);
        }
    };
    DNSMessage response = null;
    Question q = new Question("de", TYPE.NS);
    for (InetAddress lRoot : IterativeDNSClient.getRootServer('l')) {
        try {
            response = client.query(q, lRoot);
        } catch (IOException e) {
            continue;
        }
        break;
    }
    NSID nsid = response.getEdns().getEdnsOption(OptionCode.NSID);
    assertNotNull(nsid);
    return nsid;
}