Esempio n. 1
0
        /// <summary>Creates an ApplicationNode and prepares it for connection to
        /// the overlay.  For historical reasons it is linked to _node, _dht,
        /// _rpc_dht, and _bso.</summary>
        public virtual ApplicationNode CreateNode(NodeConfig node_config)
        {
            // Get a Node ID for the new Node
            AHAddress address = null;

            try {
                address = (AHAddress)AddressParser.Parse(node_config.NodeAddress);
            } catch {
                address = Utils.GenerateAHAddress();
            }

            // Create the Node state
            StructuredNode node      = new StructuredNode(address, node_config.BrunetNamespace);
            IEnumerable    addresses = IPAddresses.GetIPAddresses(node_config.DevicesToBind);

            ProtocolSecurityOverlord pso = null;

            // Enable Security if requested
            if (node_config.Security.Enabled)
            {
                if (node_config.Security.SelfSignedCertificates)
                {
                    SecurityPolicy.SetDefaultSecurityPolicy(SecurityPolicy.DefaultEncryptor,
                                                            SecurityPolicy.DefaultAuthenticator, true);
                }

                byte[] blob = null;
                using (FileStream fs = File.Open(node_config.Security.KeyPath, FileMode.Open)) {
                    blob = new byte[fs.Length];
                    fs.Read(blob, 0, blob.Length);
                }

                RSACryptoServiceProvider rsa_private = new RSACryptoServiceProvider();
                rsa_private.ImportCspBlob(blob);

                CertificateHandler ch = new CertificateHandler(node_config.Security.CertificatePath);
                pso = new ProtocolSecurityOverlord(node, rsa_private, node.Rrm, ch);
                pso.Subscribe(node, null);

                node.GetTypeSource(SecurityOverlord.Security).Subscribe(pso, null);
                node.HeartBeatEvent += pso.Heartbeat;

                // A hack to enable a test for security that doesn't require each peer
                // to exchange certificates
                if (node_config.Security.TestEnable)
                {
                    blob = rsa_private.ExportCspBlob(false);
                    RSACryptoServiceProvider rsa_pub = new RSACryptoServiceProvider();
                    rsa_pub.ImportCspBlob(blob);
                    CertificateMaker cm = new CertificateMaker("United States", "UFL",
                                                               "ACIS", "David Wolinsky", "*****@*****.**", rsa_pub,
                                                               "brunet:node:abcdefghijklmnopqrs");
                    Certificate cacert = cm.Sign(cm, rsa_private);

                    cm = new CertificateMaker("United States", "UFL",
                                              "ACIS", "David Wolinsky", "*****@*****.**", rsa_pub,
                                              address.ToString());
                    Certificate cert = cm.Sign(cacert, rsa_private);
                    ch.AddCACertificate(cacert.X509);
                    ch.AddSignedCertificate(cert.X509);
                }
            }

            // Add Dht
            new TableServer(node);
            IDht        dht       = new Dht(node, 3, 20);
            RpcDhtProxy dht_proxy = new RpcDhtProxy(dht, node);

            // Setup Vivaldi if requested
            ITunnelOverlap ito       = null;
            NCService      ncservice = null;

            if (node_config.NCService.Enabled)
            {
                ncservice = new NCService(node, node_config.NCService.Checkpoint);

                if (node_config.NCService.OptimizeShortcuts)
                {
                    node.Ssco.TargetSelector = new VivaldiTargetSelector(node, ncservice);
                }
                ito = new NCTunnelOverlap(ncservice);
            }
            else
            {
                ito = new SimpleTunnelOverlap();
            }

            // Create the ApplicationNode
            ApplicationNode app_node = new ApplicationNode(node, dht, dht_proxy, ncservice, pso);

            // Add Edge listeners
            EdgeListener el = null;

            foreach (NodeConfig.EdgeListener item in node_config.EdgeListeners)
            {
                el = CreateEdgeListener(item, app_node, addresses);
                if (node_config.Security.SecureEdgesEnabled)
                {
                    el = new SecureEdgeListener(el, pso);
                }
                node.AddEdgeListener(el);
            }

            // Create the tunnel and potentially wrap it in a SecureEL
            el = new Tunnel.TunnelEdgeListener(node, ito);
            if (node_config.Security.SecureEdgesEnabled)
            {
                node.EdgeVerifyMethod = EdgeVerify.AddressInSubjectAltName;
                el = new SecureEdgeListener(el, pso);
            }
            node.AddEdgeListener(el);

            ArrayList RemoteTAs = null;

            if (node_config.RemoteTAs != null)
            {
                RemoteTAs = new ArrayList();
                foreach (String ta in node_config.RemoteTAs)
                {
                    RemoteTAs.Add(TransportAddressFactory.CreateInstance(ta));
                }
                node.RemoteTAs = RemoteTAs;
            }

            // Add XmlRpc
            if (node_config.XmlRpcManager.Enabled)
            {
                if (_xrm == null)
                {
                    _xrm = new XmlRpcManagerServer(node_config.XmlRpcManager.Port);
                }
                _xrm.Add(node, GetXmlRpcUri(app_node));
                new RpcDht(dht, node);
            }

            return(app_node);
        }
Esempio n. 2
0
        protected virtual StructuredNode PrepareNode(int id, AHAddress address)
        {
            if (TakenIDs.Contains(id))
            {
                throw new Exception("ID already taken");
            }

            StructuredNode node = new StructuredNode(address, BrunetNamespace);

            NodeMapping nm = new NodeMapping();

            TakenIDs[id] = nm.ID = id;
            nm.Node      = node;
            Nodes.Add((Address)address, nm);

            EdgeListener el = CreateEdgeListener(nm.ID);

            if (_secure_edges || _secure_senders)
            {
                byte[] blob = _se_key.ExportCspBlob(true);
                RSACryptoServiceProvider rsa_copy = new RSACryptoServiceProvider();
                rsa_copy.ImportCspBlob(blob);

                CertificateMaker cm = new CertificateMaker("United States", "UFL",
                                                           "ACIS", "David Wolinsky", "*****@*****.**", rsa_copy,
                                                           address.ToString());
                Certificate cert = cm.Sign(_ca_cert, _se_key);

                CertificateHandler ch = new CertificateHandler();
                ch.AddCACertificate(_ca_cert.X509);
                ch.AddSignedCertificate(cert.X509);

                ProtocolSecurityOverlord so = new ProtocolSecurityOverlord(node, rsa_copy, node.Rrm, ch);
                so.Subscribe(node, null);
                node.GetTypeSource(SecurityOverlord.Security).Subscribe(so, null);
                nm.BSO = so;
                node.HeartBeatEvent += so.Heartbeat;
            }

            if (_secure_edges)
            {
                node.EdgeVerifyMethod = EdgeVerify.AddressInSubjectAltName;
                el = new SecureEdgeListener(el, nm.BSO);
            }

            node.AddEdgeListener(el);

            node.RemoteTAs = GetRemoteTAs();

            ITunnelOverlap ito = null;

            if (NCEnable)
            {
                nm.NCService = new NCService(node, new Point());
// My evaluations show that when this is enabled the system sucks
//        (node as StructuredNode).Sco.TargetSelector = new VivaldiTargetSelector(node, ncservice);
                ito = new NCTunnelOverlap(nm.NCService);
            }
            else
            {
                ito = new SimpleTunnelOverlap();
            }

            if (_broken != 0)
            {
                el = new Tunnel.TunnelEdgeListener(node, ito);
                node.AddEdgeListener(el);
            }
            // Enables Dht data store
            new TableServer(node);
            return(node);
        }
Esempio n. 3
0
    protected virtual StructuredNode PrepareNode(int id, AHAddress address)
    {
      if(TakenIDs.Contains(id)) {
        throw new Exception("ID already taken");
      }

      StructuredNode node = new StructuredNode(address, BrunetNamespace);

      NodeMapping nm = new NodeMapping();
      TakenIDs[id] = nm.ID = id;
      nm.Node = node;
      Nodes.Add((Address) address, nm);

      EdgeListener el = CreateEdgeListener(nm.ID);

      if(SecureEdges || SecureSenders) {
        byte[] blob = SEKey.ExportCspBlob(true);
        RSACryptoServiceProvider rsa_copy = new RSACryptoServiceProvider();
        rsa_copy.ImportCspBlob(blob);

        CertificateMaker cm = new CertificateMaker("United States", "UFL", 
          "ACIS", "David Wolinsky", "*****@*****.**", rsa_copy,
          address.ToString());
        Certificate cert = cm.Sign(CACert, SEKey);

        CertificateHandler ch = new CertificateHandler();
        ch.AddCACertificate(CACert.X509);
        ch.AddSignedCertificate(cert.X509);

        ProtocolSecurityOverlord so = new ProtocolSecurityOverlord(node, rsa_copy, node.Rrm, ch);
        so.Subscribe(node, null);
        node.GetTypeSource(SecurityOverlord.Security).Subscribe(so, null);
        nm.BSO = so;
        node.HeartBeatEvent += so.Heartbeat;
      }

      if(SecureEdges) {
        node.EdgeVerifyMethod = EdgeVerify.AddressInSubjectAltName;
        el = new SecureEdgeListener(el, nm.BSO);
      }

      node.AddEdgeListener(el);

      node.RemoteTAs = GetRemoteTAs();

      ITunnelOverlap ito = null;
      if(NCEnable) {
        nm.NCService = new NCService(node, new Point());
// My evaluations show that when this is enabled the system sucks
//        (node as StructuredNode).Sco.TargetSelector = new VivaldiTargetSelector(node, ncservice);
        ito = new NCTunnelOverlap(nm.NCService);
      } else {
        ito = new SimpleTunnelOverlap();
      }

      if(Broken != 0) {
        el = new Tunnel.TunnelEdgeListener(node, ito);
        node.AddEdgeListener(el);
      }
      // Enables Dht data store
      new TableServer(node);
      return node;
    }