public void TestUnserializeAResource() { var stream = DNSInput(new byte[] { 192, 168, 0, 1 }); var resource = AResource.Unserialize(stream, 4); var expected = new AResource(IPv4Address.Parse("192.168.0.1")); Assert.That(resource, Is.EqualTo(expected)); }
public void TestSerializeAResource() { Tuple <MemoryStream, DNSOutputStream> out_info = DNSOutput(); var record = new AResource(IPv4Address.Parse("192.168.0.1")); record.Serialize(out_info.Item2); var record_bytes = out_info.Item1.ToArray(); var expected = new byte[] { 192, 168, 0, 1 }; Assert.That(record_bytes, Is.EqualTo(expected)); }
/** * Decodes the raw bytes of a DNS resource record into an * object. */ public static DNSRecord Unserialize(DNSInputStream stream) { var name = stream.ReadDomain(); var record_type = (ResourceRecordType)stream.ReadUInt16(); var class_type = (AddressClass)stream.ReadUInt16(); var ttl = stream.ReadUInt32(); var record_size = stream.ReadUInt16(); IDNSResource resource = null; switch (record_type.Normalize()) { case ResourceRecordType.HOST_ADDRESS: resource = AResource.Unserialize(stream, record_size); break; case ResourceRecordType.NAME_SERVER: resource = NSResource.Unserialize(stream, record_size); break; case ResourceRecordType.START_OF_AUTHORITY: resource = SOAResource.Unserialize(stream, record_size); break; case ResourceRecordType.CANONICAL_NAME: resource = CNAMEResource.Unserialize(stream, record_size); break; case ResourceRecordType.MAIL_EXCHANGE: resource = MXResource.Unserialize(stream, record_size); break; case ResourceRecordType.POINTER: resource = PTRResource.Unserialize(stream, record_size); break; case ResourceRecordType.HOST_6ADDRESS: resource = AAAAResource.Unserialize(stream, record_size); break; case ResourceRecordType.UNSUPPORTED: // Advance the byte counter - even if we can't parse it, // we have to properly ignore it stream.ReadBytes(record_size); resource = null; break; } return(new DNSRecord(name, class_type.Normalize(), ttl, resource)); }