Exemple #1
0
        private void ListenLoop()
        {
            if (scheduler.Verbose)
            {
                Console.WriteLine("Starting to listen on {0}", myEndpoint);
            }

            listener = new TcpListener(myEndpoint);
            listener.ExclusiveAddressUse = true;
            listener.Start();
            while (true)
            {
                if (scheduler.Verbose)
                {
                    Console.WriteLine("Waiting for the next incoming connection");
                }

                TcpClient client = listener.AcceptTcpClient();

                CertificateValidator myValidator = new CertificateValidator(scheduler);
                SslStream            sslStream   = new SslStream(client.GetStream(), leaveInnerStreamOpen: false, myValidator.ValidateSSLCertificate);
                sslStream.AuthenticateAsServer(scheduler.MyCert, clientCertificateRequired: true, checkCertificateRevocation: false);

                var remoteCert = sslStream.RemoteCertificate as X509Certificate2;

                if (scheduler.Verbose)
                {
                    Console.WriteLine("Received an incoming connection from remote certified as {0}",
                                      IoScheduler.CertificateToString(remoteCert));
                }

                ReceiverThread.Create(scheduler, sslStream);
                ServerSenderThread.Create(scheduler, sslStream);
            }
        }
Exemple #2
0
        public static ReceiverThread Create(IoScheduler scheduler, SslStream stream)
        {
            ReceiverThread receiverThread = new ReceiverThread(scheduler, stream);
            Thread         t = new Thread(receiverThread.Run);

            t.Start();
            return(receiverThread);
        }
Exemple #3
0
        protected override bool Connect()
        {
            var destinationPublicIdentity = scheduler.LookupPublicKey(destinationPublicKey);

            if (destinationPublicIdentity == null)
            {
                if (scheduler.Verbose)
                {
                    Console.Error.WriteLine("Could not connect to destination public key {0} because we don't know its address.",
                                            IoScheduler.PublicKeyToString(destinationPublicKey));
                }
                return(false);
            }

            if (scheduler.Verbose)
            {
                Console.WriteLine("Starting connection to {0}", IoScheduler.PublicIdentityToString(destinationPublicIdentity));
            }

            TcpClient client;

            try
            {
                client = new TcpClient(destinationPublicIdentity.HostNameOrAddress, destinationPublicIdentity.Port);
            }
            catch (Exception e)
            {
                scheduler.ReportException(e, "connecting to " + IoScheduler.PublicIdentityToString(destinationPublicIdentity));
                return(false);
            }

            var myCertificateCollection = new X509CertificateCollection();

            myCertificateCollection.Add(scheduler.MyCert);
            var myValidator = new CertificateValidator(scheduler, destinationPublicIdentity);

            try {
                stream = new SslStream(client.GetStream(), leaveInnerStreamOpen: false, myValidator.ValidateSSLCertificate);
                stream.AuthenticateAsClient(destinationPublicIdentity.FriendlyName, myCertificateCollection,
                                            checkCertificateRevocation: false);
            }
            catch (Exception e) {
                scheduler.ReportException(e, "authenticating connection to " + IoScheduler.PublicIdentityToString(destinationPublicIdentity));
                return(false);
            }

            remoteCert = stream.RemoteCertificate as X509Certificate2;

            if (!ByteArrayComparer.Default().Equals(IoScheduler.GetCertificatePublicKey(remoteCert), destinationPublicKey))
            {
                Console.Error.WriteLine("Connected to {0} expecting public key {1} but found public key {2}, so disconnecting.",
                                        IoScheduler.PublicIdentityToString(destinationPublicIdentity),
                                        IoScheduler.PublicKeyToString(destinationPublicKey),
                                        IoScheduler.PublicKeyToString(IoScheduler.GetCertificatePublicKey(remoteCert)));
                return(false);
            }

            if (scheduler.Verbose)
            {
                Console.WriteLine("Successfully connected to {0} and got certificate identifying it as {1}",
                                  IoScheduler.PublicIdentityToString(destinationPublicIdentity),
                                  IoScheduler.CertificateToString(remoteCert));
            }

            // Now that the connection is successful, create a thread to
            // receive packets on it.

            ReceiverThread receiverThread = ReceiverThread.Create(scheduler, stream);

            return(true);
        }