Ejemplo n.º 1
0
 internal void Fragment <T>(RemoteDataObject <T> obj, SerializedDataStream dataToBeSent)
 {
     dataToBeSent.Enter();
     try
     {
         obj.Serialize(dataToBeSent, this);
     }
     finally
     {
         dataToBeSent.Exit();
     }
 }
Ejemplo n.º 2
0
        /// <summary>
        /// The method performs the fragmentation operation.
        /// All fragments of the same object have the same ObjectId.
        /// All fragments of the same object have the same ObjectId.
        /// Each fragment has its own Fragment Id. Fragment Id always starts from zero (0),
        /// and increments sequentially with an increment of 1.
        /// The last fragment is indicated by an End of Fragment marker.
        /// </summary>
        /// <param name="obj">
        /// The object to be fragmented. Caller should make sure this is not null.
        /// </param>
        /// <param name="dataToBeSent">
        /// Caller specified dataToStore to which the fragments are added
        /// one-by-one
        /// </param>
        internal void Fragment <T>(RemoteDataObject <T> obj, SerializedDataStream dataToBeSent)
        {
            Dbg.Assert(obj != null, "Cannot fragment a null object");
            Dbg.Assert(dataToBeSent != null, "SendDataCollection cannot be null");

            dataToBeSent.Enter();
            try
            {
                obj.Serialize(dataToBeSent, this);
            }
            finally
            {
                dataToBeSent.Exit();
            }
        }
Ejemplo n.º 3
0
        internal void ExecuteConnect(byte[] connectData, out byte[] connectResponseData)
        {
            RemoteSessionCapability sessionCapability;

            connectResponseData = null;
            Fragmentor fragmentor   = new Fragmentor(0x7fffffff, null);
            Fragmentor defragmentor = fragmentor;
            int        length       = connectData.Length;

            if (length < 0x15)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            FragmentedRemoteObject.GetFragmentId(connectData, 0);
            bool isStartFragment = FragmentedRemoteObject.GetIsStartFragment(connectData, 0);
            bool isEndFragment   = FragmentedRemoteObject.GetIsEndFragment(connectData, 0);
            int  blobLength      = FragmentedRemoteObject.GetBlobLength(connectData, 0);

            if (blobLength > (length - 0x15))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            if (!isStartFragment || !isEndFragment)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            RemoteSessionState state = this.SessionDataStructureHandler.StateMachine.State;

            if ((state != RemoteSessionState.Established) && (state != RemoteSessionState.EstablishedAndKeyExchanged))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnServerStateValidation);
            }
            MemoryStream serializedDataStream = new MemoryStream();

            serializedDataStream.Write(connectData, 0x15, blobLength);
            serializedDataStream.Seek(0L, SeekOrigin.Begin);
            RemoteDataObject <PSObject> obj2 = RemoteDataObject <PSObject> .CreateFrom(serializedDataStream, defragmentor);

            if (obj2 == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            if ((obj2.Destination != (RemotingDestination.InvalidDestination | RemotingDestination.Server)) || (obj2.DataType != RemotingDataType.SessionCapability))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            int num3 = (length - 0x15) - blobLength;

            if (num3 < 0x15)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            byte[] destinationArray = new byte[num3];
            Array.Copy(connectData, 0x15 + blobLength, destinationArray, 0, num3);
            FragmentedRemoteObject.GetFragmentId(destinationArray, 0);
            isStartFragment = FragmentedRemoteObject.GetIsStartFragment(destinationArray, 0);
            isEndFragment   = FragmentedRemoteObject.GetIsEndFragment(destinationArray, 0);
            blobLength      = FragmentedRemoteObject.GetBlobLength(destinationArray, 0);
            if (blobLength != (num3 - 0x15))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            if (!isStartFragment || !isEndFragment)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            serializedDataStream = new MemoryStream();
            serializedDataStream.Write(destinationArray, 0x15, blobLength);
            serializedDataStream.Seek(0L, SeekOrigin.Begin);
            RemoteDataObject <PSObject> obj3 = RemoteDataObject <PSObject> .CreateFrom(serializedDataStream, defragmentor);

            if (obj3 == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnServerStateValidation);
            }
            if ((obj3.Destination != (RemotingDestination.InvalidDestination | RemotingDestination.Server)) || (obj3.DataType != RemotingDataType.ConnectRunspacePool))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            try
            {
                sessionCapability = RemotingDecoder.GetSessionCapability(obj2.Data);
            }
            catch (PSRemotingDataStructureException)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            try
            {
                this.RunServerNegotiationAlgorithm(sessionCapability, true);
            }
            catch (PSRemotingDataStructureException exception)
            {
                throw exception;
            }
            int  minRunspaces = -1;
            int  maxRunspaces = -1;
            bool flag3        = false;

            if ((obj3.Data.Properties["MinRunspaces"] != null) && (obj3.Data.Properties["MinRunspaces"] != null))
            {
                try
                {
                    minRunspaces = RemotingDecoder.GetMinRunspaces(obj3.Data);
                    maxRunspaces = RemotingDecoder.GetMaxRunspaces(obj3.Data);
                    flag3        = true;
                }
                catch (PSRemotingDataStructureException)
                {
                    throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
                }
            }
            if (flag3 && (((minRunspaces == -1) || (maxRunspaces == -1)) || (minRunspaces > maxRunspaces)))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            if (this._runspacePoolDriver == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnServerStateValidation);
            }
            if (obj3.RunspacePoolId != this._runspacePoolDriver.InstanceId)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnInputValidation);
            }
            if ((flag3 && (this._runspacePoolDriver.RunspacePool.GetMaxRunspaces() != maxRunspaces)) && (this._runspacePoolDriver.RunspacePool.GetMinRunspaces() != minRunspaces))
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.ServerConnectFailedOnMismatchedRunspacePoolProperties);
            }
            RemoteDataObject     obj4            = RemotingEncoder.GenerateServerSessionCapability(this._context.ServerCapability, this._runspacePoolDriver.InstanceId);
            RemoteDataObject     obj5            = RemotingEncoder.GenerateRunspacePoolInitData(this._runspacePoolDriver.InstanceId, this._runspacePoolDriver.RunspacePool.GetMaxRunspaces(), this._runspacePoolDriver.RunspacePool.GetMinRunspaces());
            SerializedDataStream streamToWriteTo = new SerializedDataStream(0x1000);

            streamToWriteTo.Enter();
            obj4.Serialize(streamToWriteTo, fragmentor);
            streamToWriteTo.Exit();
            streamToWriteTo.Enter();
            obj5.Serialize(streamToWriteTo, fragmentor);
            streamToWriteTo.Exit();
            byte[] buffer2 = streamToWriteTo.Read();
            streamToWriteTo.Dispose();
            connectResponseData = buffer2;
            ThreadPool.QueueUserWorkItem(new WaitCallback(delegate(object s) {
                RemoteSessionStateMachineEventArgs fsmEventArg = new RemoteSessionStateMachineEventArgs(RemoteSessionEvent.ConnectSession);
                this._sessionDSHandler.StateMachine.RaiseEvent(fsmEventArg);
            }));
            this._runspacePoolDriver.DataStructureHandler.ProcessConnect();
        }