/// <summary>
/// Connect to a group to start streaming
/// </summary>
/// <param name="groupId"></param>
/// <param name="simulator"></param>
/// <returns></returns>
public async Task Connect(Guid entertainmentAreaId, bool simulator = false)
{
_simulator = simulator;
var enableResult = await _localHueClient.SetStreamingAsync(entertainmentAreaId).ConfigureAwait(false);
entConfigIdBytes = Encoding.ASCII.GetBytes(entertainmentAreaId.ToString().ToLowerInvariant());
byte[] psk = FromHex(_clientKey);
BasicTlsPskIdentity pskIdentity = new BasicTlsPskIdentity(_appKey, psk);
var dtlsClient = new DtlsClient(null !, pskIdentity);
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(new SecureRandom());
#if NET461
_socket.Connect(IPAddress.Parse(_ip), 2100);
#else
await _socket.ConnectAsync(IPAddress.Parse(_ip), 2100).ConfigureAwait(false);
#endif
_udp = new UdpTransport(_socket);
if (!simulator)
{
_dtlsTransport = clientProtocol.Connect(dtlsClient, _udp);
}
}
public DtlsClient(DatagramTransport datagramTransport, CertificateInfo certificateInfo, DtlsClientProtocol dtlsClientProtocol = null)
{
this.datagramTransport = datagramTransport;
this.dtlsClientProtocol = dtlsClientProtocol ?? new DtlsClientProtocol(new SecureRandom());
tlsClient = new TlsClientImpl(certificateInfo);
tlsClient.ServerCertificateInfoAvailable += TlsClient_ServerCertificateInfoAvailable;
}
public void Connect(IPEndPoint remoteEP)
{
_socket.Connect(remoteEP);
var udpTransport = new UdpTransport(_socket);
var random = new SecureRandom();
var protocol = new DtlsClientProtocol(random);
var client = new TlsClientImpl();
_dtlsTransport = protocol.Connect(client, udpTransport);
}
public Task ConnectAsync(CoapTransportLayerConnectOptions connectOptions, CancellationToken cancellationToken)
{
_udpTransport = new UdpTransport(connectOptions);
var clientProtocol = new DtlsClientProtocol(new SecureRandom());
var client = new DtlsClient(ConvertProtocolVersion(DtlsVersion), (PreSharedKey)Credentials);
_dtlsTransport = clientProtocol.Connect(client, _udpTransport);
return(Task.FromResult(0));
}
public bool DoHandshakeAsClient()
{
logger.LogDebug("DTLS commencing handshake as client.");
if (!handshaking && !handshakeComplete)
{
this.startTime = DateTime.Now;
this.handshaking = true;
SecureRandom secureRandom = new SecureRandom();
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(secureRandom);
try
{
var client = (DtlsSrtpClient)connection;
// Perform the handshake in a non-blocking fashion
Transport = clientProtocol.Connect(client, this);
// Prepare the shared key to be used in RTP streaming
//client.PrepareSrtpSharedSecret();
// Generate encoders for DTLS traffic
if (client.GetSrtpPolicy() != null)
{
srtpDecoder = GenerateRtpDecoder();
srtpEncoder = GenerateRtpEncoder();
srtcpDecoder = GenerateRtcpDecoder();
srtcpEncoder = GenerateRtcpEncoder();
}
// Declare handshake as complete
handshakeComplete = true;
handshakeFailed = false;
handshaking = false;
// Warn listeners handshake completed
//UnityEngine.Debug.Log("DTLS Handshake Completed");
return(true);
}
catch (Exception excp)
{
logger.LogWarning($"DTLS handshake as client failed. {excp.Message}");
// Declare handshake as failed
handshakeComplete = false;
handshakeFailed = true;
handshaking = false;
// Warn listeners handshake completed
//UnityEngine.Debug.Log("DTLS Handshake failed\n" + e);
}
}
return(false);
}
private void EnsureConnected()
{
lock (_ensureConnectedLock)
{
if (_isConnected)
{
return;
}
var udpClient = new UdpClient(Server, Port);
var dtlsClientProtocol = new DtlsClientProtocol(new SecureRandom());
_datagramTransport = dtlsClientProtocol.Connect(_tlsClient, new UdpDatagramTransport(udpClient, NetworkMtu));
_isConnected = true;
}
}
/// <summary>
/// Create the DTLS connection over a specific UDP channel.
/// We already know what address we are going to use
/// </summary>
/// <param name="udpChannel">UDP channel to use</param>
public void Connect(UDPChannel udpChannel)
{
#if SUPPORT_TLS_CWT
if (CwtTrustKeySet != null)
{
_client = new DtlsClient(null, _userKey, CwtTrustKeySet);
}
else
{
#endif
if (_userKey.PrivateKey.HasKeyType((int)GeneralValuesInt.KeyType_Octet))
{
CBORObject kid = _userKey.PrivateKey[CoseKeyKeys.KeyIdentifier];
BasicTlsPskIdentity pskIdentity;
pskIdentity = new BasicTlsPskIdentity(kid != null ? kid.GetByteString() : new byte[0],
_userKey.PrivateKey[CoseKeyParameterKeys.Octet_k].GetByteString());
_client = new DtlsClient(null, pskIdentity);
}
else if (_userKey.PrivateKey.HasKeyType((int)GeneralValuesInt.KeyType_EC2))
{
_client = new DtlsClient(null, _userKey);
}
#if SUPPORT_TLS_CWT
}
#endif
_client.TlsEventHandler += OnTlsEvent;
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(new SecureRandom());
_transport.UDPChannel = udpChannel;
AuthenticationKey = _userKey.PrivateKey;
_listening = 1;
DtlsTransport dtlsClient = clientProtocol.Connect(_client, _transport);
_listening = 0;
_dtlsSession = dtlsClient;
// We are now in the world of a connected system -
// We need to do the receive calls
new Thread(StartListen).Start();
}
public async Task ConnectAsync(CoapTransportLayerConnectOptions connectOptions, CancellationToken cancellationToken)
{
if (connectOptions == null)
{
throw new ArgumentNullException(nameof(connectOptions));
}
cancellationToken.ThrowIfCancellationRequested();
try
{
_udpTransport = new UdpTransport(connectOptions);
var clientProtocol = new DtlsClientProtocol(_secureRandom);
_dtlsClient = new DtlsClient(ConvertProtocolVersion(DtlsVersion), (PreSharedKey)Credentials);
using (cancellationToken.Register(() =>
{
_udpTransport.Close();
}))
{
_dtlsTransport = await Task.Run(() => clientProtocol.Connect(_dtlsClient, _udpTransport), cancellationToken).ConfigureAwait(false);
}
}
catch
{
_udpTransport?.Dispose();
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException();
}
if (_dtlsClient.ReceivedAlert != 0)
{
throw new DtlsException($"Received alert {AlertDescription.GetText(_dtlsClient.ReceivedAlert)}.", null)
{
ReceivedAlert = _dtlsClient.ReceivedAlert
};
}
throw;
}
}
public void TestClientServer()
{
SecureRandom secureRandom = new SecureRandom();
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(secureRandom);
DtlsServerProtocol serverProtocol = new DtlsServerProtocol(secureRandom);
MockDatagramAssociation network = new MockDatagramAssociation(1500);
Server server = new Server(serverProtocol, network.Server);
Thread serverThread = new Thread(new ThreadStart(server.Run));
serverThread.Start();
DatagramTransport clientTransport = network.Client;
clientTransport = new UnreliableDatagramTransport(clientTransport, secureRandom, 0, 0);
clientTransport = new LoggingDatagramTransport(clientTransport, Console.Out);
MockDtlsClient client = new MockDtlsClient(null);
DtlsTransport dtlsClient = clientProtocol.Connect(client, clientTransport);
for (int i = 1; i <= 10; ++i)
{
byte[] data = new byte[i];
Arrays.Fill(data, (byte)i);
dtlsClient.Send(data, 0, data.Length);
}
byte[] buf = new byte[dtlsClient.GetReceiveLimit()];
while (dtlsClient.Receive(buf, 0, buf.Length, 100) >= 0)
{
}
dtlsClient.Close();
server.Shutdown(serverThread);
}
/// <summary>
/// Connect to a group to start streaming
/// </summary>
/// <param name="groupId"></param>
/// <param name="simulator"></param>
/// <returns></returns>
public async Task Connect(string groupId, bool simulator = false)
{
_simulator = simulator;
var enableResult = await _localHueClient.SetStreamingAsync(groupId).ConfigureAwait(false);
byte[] psk = FromHex(_clientKey);
BasicTlsPskIdentity pskIdentity = new BasicTlsPskIdentity(_appKey, psk);
var dtlsClient = new DtlsClient(null !, pskIdentity);
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(new SecureRandom());
await _socket.ConnectAsync(IPAddress.Parse(_ip), 2100).ConfigureAwait(false);
_udp = new UdpTransport(_socket);
if (!simulator)
{
_dtlsTransport = clientProtocol.Connect(dtlsClient, _udp);
}
}
public void TestClientServer()
{
SecureRandom secureRandom = new SecureRandom();
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(secureRandom);
DtlsServerProtocol serverProtocol = new DtlsServerProtocol(secureRandom);
MockDatagramAssociation network = new MockDatagramAssociation(1500);
Server server = new Server(serverProtocol, network.Server);
Thread serverThread = new Thread(new ThreadStart(server.Run));
serverThread.Start();
DatagramTransport clientTransport = network.Client;
clientTransport = new UnreliableDatagramTransport(clientTransport, secureRandom, 0, 0);
clientTransport = new LoggingDatagramTransport(clientTransport, Console.Out);
MockDtlsClient client = new MockDtlsClient(null);
DtlsTransport dtlsClient = clientProtocol.Connect(client, clientTransport);
for (int i = 1; i <= 10; ++i)
{
byte[] data = new byte[i];
Arrays.Fill(data, (byte)i);
dtlsClient.Send(data, 0, data.Length);
}
byte[] buf = new byte[dtlsClient.GetReceiveLimit()];
while (dtlsClient.Receive(buf, 0, buf.Length, 100) >= 0)
{
}
dtlsClient.Close();
server.Shutdown(serverThread);
}
public void RunTest(TlsTestConfig config)
{
CheckDtlsVersion(config.clientMinimumVersion);
CheckDtlsVersion(config.clientOfferVersion);
CheckDtlsVersion(config.serverMaximumVersion);
CheckDtlsVersion(config.serverMinimumVersion);
SecureRandom secureRandom = new SecureRandom();
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(secureRandom);
DtlsServerProtocol serverProtocol = new DtlsServerProtocol(secureRandom);
MockDatagramAssociation network = new MockDatagramAssociation(1500);
TlsTestClientImpl clientImpl = new TlsTestClientImpl(config);
TlsTestServerImpl serverImpl = new TlsTestServerImpl(config);
Server server = new Server(this, serverProtocol, network.Server, serverImpl);
Thread serverThread = new Thread(new ThreadStart(server.Run));
serverThread.Start();
Exception caught = null;
try
{
DatagramTransport clientTransport = network.Client;
if (TlsTestConfig.DEBUG)
{
clientTransport = new LoggingDatagramTransport(clientTransport, Console.Out);
}
DtlsTransport dtlsClient = clientProtocol.Connect(clientImpl, clientTransport);
for (int i = 1; i <= 10; ++i)
{
byte[] data = new byte[i];
Arrays.Fill(data, (byte)i);
dtlsClient.Send(data, 0, data.Length);
}
byte[] buf = new byte[dtlsClient.GetReceiveLimit()];
while (dtlsClient.Receive(buf, 0, buf.Length, 100) >= 0)
{
}
dtlsClient.Close();
}
catch (Exception e)
{
caught = e;
LogException(caught);
}
server.Shutdown(serverThread);
// TODO Add checks that the various streams were closed
Assert.AreEqual(config.expectFatalAlertConnectionEnd, clientImpl.FirstFatalAlertConnectionEnd, "Client fatal alert connection end");
Assert.AreEqual(config.expectFatalAlertConnectionEnd, serverImpl.FirstFatalAlertConnectionEnd, "Server fatal alert connection end");
Assert.AreEqual(config.expectFatalAlertDescription, clientImpl.FirstFatalAlertDescription, "Client fatal alert description");
Assert.AreEqual(config.expectFatalAlertDescription, serverImpl.FirstFatalAlertDescription, "Server fatal alert description");
if (config.expectFatalAlertConnectionEnd == -1)
{
Assert.IsNull(caught, "Unexpected client exception");
Assert.IsNull(server.mCaught, "Unexpected server exception");
}
}
private void but_Click(object sender2, EventArgs e)
{
if (InputBox.Show("Server", "Server", ref address) != DialogResult.OK)
{
return;
}
if (InputBox.Show("Server port", "Server port", ref port) != DialogResult.OK)
{
return;
}
string username = Settings.Instance.GetString("ex_api_username");
string token = Settings.Instance.GetString("ex_api_psk");
if (InputBox.Show("Username", "Username", ref username) != DialogResult.OK)
{
return;
}
if (InputBox.Show("Token", "Token", ref token) != DialogResult.OK)
{
return;
}
Settings.Instance["ex_api_address"] = address;
Settings.Instance["ex_api_port"] = port.ToString();
Settings.Instance["ex_api_username"] = username;
Settings.Instance["ex_api_psk"] = token;
Task.Run(() =>
{
try
{
var psk = new BasicTlsPskIdentity(username, token.MakeBytes());
var pskclient = new DTLSPsk(psk);
DtlsClientProtocol client = new DtlsClientProtocol(new Org.BouncyCastle.Security.SecureRandom());
DatagramTransport transport = new UDPTransport(address, port);
var dtlstx = client.Connect(pskclient, transport);
MainV2.comPort.OnPacketReceived += (sender, message) =>
{
dtlstx.Send(message.buffer, 0, message.buffer.Length);
};
var buf = new byte[dtlstx.GetReceiveLimit()];
while (MainV2.comPort.BaseStream.IsOpen)
{
try
{
var read = dtlstx.Receive(buf, 0, buf.Length, 1000);
lock (MainV2.comPort.objlock)
{
if (MainV2.comPort.BaseStream.IsOpen)
{
MainV2.comPort.BaseStream.Write(buf, 0, read);
}
}
}
catch (Exception ex) { }
}
} catch (Exception ex) {
CustomMessageBox.Show(Strings.ERROR, ex.ToString());
}
});
}
private bool DoHandshakeAsClient(out string handshakeError)
{
handshakeError = null;
logger.LogDebug("DTLS commencing handshake as client.");
if (!_handshaking && !_handshakeComplete)
{
this._waitMillis = RetransmissionMilliseconds;
this._startTime = System.DateTime.Now;
this._handshaking = true;
SecureRandom secureRandom = new SecureRandom();
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(secureRandom);
try
{
var client = (DtlsSrtpClient)connection;
// Perform the handshake in a non-blocking fashion
Transport = clientProtocol.Connect(client, this);
// Prepare the shared key to be used in RTP streaming
//client.PrepareSrtpSharedSecret();
// Generate encoders for DTLS traffic
if (client.GetSrtpPolicy() != null)
{
srtpDecoder = GenerateRtpDecoder();
srtpEncoder = GenerateRtpEncoder();
srtcpDecoder = GenerateRtcpDecoder();
srtcpEncoder = GenerateRtcpEncoder();
}
// Declare handshake as complete
_handshakeComplete = true;
_handshakeFailed = false;
_handshaking = false;
// Warn listeners handshake completed
//UnityEngine.Debug.Log("DTLS Handshake Completed");
return(true);
}
catch (System.Exception excp)
{
if (excp.InnerException is TimeoutException)
{
logger.LogWarning(excp, $"DTLS handshake as client timed out waiting for handshake to complete.");
handshakeError = "timeout";
}
else
{
handshakeError = "unknown";
if (excp is Org.BouncyCastle.Crypto.Tls.TlsFatalAlert)
{
handshakeError = (excp as Org.BouncyCastle.Crypto.Tls.TlsFatalAlert).Message;
}
logger.LogWarning(excp, $"DTLS handshake as client failed. {excp.Message}");
}
// Declare handshake as failed
_handshakeComplete = false;
_handshakeFailed = true;
_handshaking = false;
// Warn listeners handshake completed
//UnityEngine.Debug.Log("DTLS Handshake failed\n" + e);
}
}
return(false);
}
public void RunTest(TlsTestConfig config)
{
CheckDtlsVersion(config.clientMinimumVersion);
CheckDtlsVersion(config.clientOfferVersion);
CheckDtlsVersion(config.serverMaximumVersion);
CheckDtlsVersion(config.serverMinimumVersion);
SecureRandom secureRandom = new SecureRandom();
DtlsClientProtocol clientProtocol = new DtlsClientProtocol(secureRandom);
DtlsServerProtocol serverProtocol = new DtlsServerProtocol(secureRandom);
MockDatagramAssociation network = new MockDatagramAssociation(1500);
TlsTestClientImpl clientImpl = new TlsTestClientImpl(config);
TlsTestServerImpl serverImpl = new TlsTestServerImpl(config);
Server server = new Server(this, serverProtocol, network.Server, serverImpl);
Thread serverThread = new Thread(new ThreadStart(server.Run));
serverThread.Start();
Exception caught = null;
try
{
DatagramTransport clientTransport = network.Client;
if (TlsTestConfig.DEBUG)
{
clientTransport = new LoggingDatagramTransport(clientTransport, Console.Out);
}
DtlsTransport dtlsClient = clientProtocol.Connect(clientImpl, clientTransport);
for (int i = 1; i <= 10; ++i)
{
byte[] data = new byte[i];
Arrays.Fill(data, (byte)i);
dtlsClient.Send(data, 0, data.Length);
}
byte[] buf = new byte[dtlsClient.GetReceiveLimit()];
while (dtlsClient.Receive(buf, 0, buf.Length, 100) >= 0)
{
}
dtlsClient.Close();
}
catch (Exception e)
{
caught = e;
LogException(caught);
}
server.Shutdown(serverThread);
// TODO Add checks that the various streams were closed
Assert.AreEqual(config.expectFatalAlertConnectionEnd, clientImpl.FirstFatalAlertConnectionEnd, "Client fatal alert connection end");
Assert.AreEqual(config.expectFatalAlertConnectionEnd, serverImpl.FirstFatalAlertConnectionEnd, "Server fatal alert connection end");
Assert.AreEqual(config.expectFatalAlertDescription, clientImpl.FirstFatalAlertDescription, "Client fatal alert description");
Assert.AreEqual(config.expectFatalAlertDescription, serverImpl.FirstFatalAlertDescription, "Server fatal alert description");
if (config.expectFatalAlertConnectionEnd == -1)
{
Assert.IsNull(caught, "Unexpected client exception");
Assert.IsNull(server.mCaught, "Unexpected server exception");
}
}
