/// <summary> /// Create TRANS_READ_NMPIPE Response /// </summary> /// <param name="connection">the connection identified the client</param> /// <param name = "data">The Data buffer that contains the bytes read from the named pipe </param> /// <returns>The SmbTransReadNmpipeResponsePacket </returns> /// <exception cref="ArgumentNullException">connection must not be null</exception> public virtual SmbTransReadNmpipeResponsePacket CreateTransReadNmpipeResponse( SmbServerConnection connection, byte[] data) { if (connection == null) { throw new ArgumentNullException("connection"); } SmbTransReadNmpipeResponsePacket packet = new SmbTransReadNmpipeResponsePacket(); // get the request packet SmbPacket request = connection.GetRequestPacket(connection.MessageId); // create smb packet header packet.SmbHeader = CifsMessageUtils.CreateSmbHeader( SmbCommand.SMB_COM_TRANSACTION, connection.ProcessId, connection.MessageId, request.SmbHeader.Uid, request.SmbHeader.Tid, (SmbFlags)connection.Capability.Flag, (SmbFlags2)connection.Capability.Flags2); // update smb parameters SMB_COM_TRANSACTION_SuccessResponse_SMB_Parameters smbParameters = packet.SmbParameters; smbParameters.Setup = new ushort[0]; smbParameters.WordCount = (byte)(CifsMessageUtils.GetSize<SMB_COM_TRANSACTION_SuccessResponse_SMB_Parameters>( smbParameters) / SmbCapability.NUM_BYTES_OF_WORD); // update smb data SMB_COM_TRANSACTION_SuccessResponse_SMB_Data smbData = packet.SmbData; // update trans data TRANS_READ_NMPIPE_Response_Trans_Data transData = packet.TransData; transData.ReadData = data; // store the parameters and data to packet. packet.TransData = transData; packet.SmbParameters = smbParameters; packet.SmbData = smbData; packet.UpdateCountAndOffset(); return packet; }
/// <summary> /// Deep copy constructor. /// </summary> public SmbTransReadNmpipeResponsePacket(SmbTransReadNmpipeResponsePacket packet) : base(packet) { }
/// <summary> /// createt the transactions packet /// </summary> /// <param name="request">the request packet</param> /// <param name="smbHeader">the smb header of response packet</param> /// <param name="channel">the channel contains the packet bytes</param> /// <returns>the response packet</returns> private SmbPacket CreateTransactionResponsePacket(SmbPacket request, SmbHeader smbHeader, Channel channel) { SmbPacket smbPacket = null; if (smbHeader.Status == 0 && channel.Peek <byte>(0) == 0 && channel.Peek <ushort>(1) == 0) { return(smbPacket); } SmbTransactionRequestPacket transactionRequest = request as SmbTransactionRequestPacket; if (transactionRequest == null) { return(smbPacket); } switch (smbClient.Capability.TransactionSubCommand) { case TransSubCommandExtended.TRANS_EXT_MAILSLOT_WRITE: smbPacket = new SmbTransMailslotWriteResponsePacket(); break; case TransSubCommandExtended.TRANS_EXT_RAP: smbPacket = new SmbTransRapResponsePacket(); break; default: break; } // the packet is find if (smbPacket != null) { return(smbPacket); } // if no setup command. break if (transactionRequest.SmbParameters.SetupCount == 0) { return(smbPacket); } // decode packet using the setup command switch ((TransSubCommand)transactionRequest.SmbParameters.Setup[0]) { case TransSubCommand.TRANS_SET_NMPIPE_STATE: smbPacket = new SmbTransSetNmpipeStateResponsePacket(); break; case TransSubCommand.TRANS_QUERY_NMPIPE_STATE: smbPacket = new SmbTransQueryNmpipeStateResponsePacket(); break; case TransSubCommand.TRANS_RAW_READ_NMPIPE: smbPacket = new SmbTransRawReadNmpipeResponsePacket(); break; case TransSubCommand.TRANS_QUERY_NMPIPE_INFO: smbPacket = new SmbTransQueryNmpipeInfoResponsePacket(); break; case TransSubCommand.TRANS_PEEK_NMPIPE: smbPacket = new SmbTransPeekNmpipeResponsePacket(); break; case TransSubCommand.TRANS_TRANSACT_NMPIPE: smbPacket = new SmbTransTransactNmpipeResponsePacket(); break; case TransSubCommand.TRANS_READ_NMPIPE: smbPacket = new SmbTransReadNmpipeResponsePacket(); break; case TransSubCommand.TRANS_WRITE_NMPIPE: smbPacket = new SmbTransWriteNmpipeResponsePacket(); break; case TransSubCommand.TRANS_WAIT_NMPIPE: smbPacket = new SmbTransWaitNmpipeResponsePacket(); break; case TransSubCommand.TRANS_CALL_NMPIPE: smbPacket = new SmbTransCallNmpipeResponsePacket(); break; default: break; } return(smbPacket); }
/// <summary> /// createt the transactions packet /// </summary> /// <param name="request">the request packet</param> /// <param name="smbHeader">the smb header of response packet</param> /// <param name="channel">the channel contains the packet bytes</param> /// <returns>the response packet</returns> private SmbPacket CreateTransactionResponsePacket(SmbPacket request, SmbHeader smbHeader, Channel channel) { SmbPacket smbPacket = null; if (smbHeader.Status == 0 && channel.Peek<byte>(0) == 0 && channel.Peek<ushort>(1) == 0) { return smbPacket; } SmbTransactionRequestPacket transactionRequest = request as SmbTransactionRequestPacket; if (transactionRequest == null) { return smbPacket; } switch (smbClient.Capability.TransactionSubCommand) { case TransSubCommandExtended.TRANS_EXT_MAILSLOT_WRITE: smbPacket = new SmbTransMailslotWriteResponsePacket(); break; case TransSubCommandExtended.TRANS_EXT_RAP: smbPacket = new SmbTransRapResponsePacket(); break; default: break; } // the packet is find if (smbPacket != null) { return smbPacket; } // if no setup command. break if (transactionRequest.SmbParameters.SetupCount == 0) { return smbPacket; } // decode packet using the setup command switch ((TransSubCommand)transactionRequest.SmbParameters.Setup[0]) { case TransSubCommand.TRANS_SET_NMPIPE_STATE: smbPacket = new SmbTransSetNmpipeStateResponsePacket(); break; case TransSubCommand.TRANS_QUERY_NMPIPE_STATE: smbPacket = new SmbTransQueryNmpipeStateResponsePacket(); break; case TransSubCommand.TRANS_RAW_READ_NMPIPE: smbPacket = new SmbTransRawReadNmpipeResponsePacket(); break; case TransSubCommand.TRANS_QUERY_NMPIPE_INFO: smbPacket = new SmbTransQueryNmpipeInfoResponsePacket(); break; case TransSubCommand.TRANS_PEEK_NMPIPE: smbPacket = new SmbTransPeekNmpipeResponsePacket(); break; case TransSubCommand.TRANS_TRANSACT_NMPIPE: smbPacket = new SmbTransTransactNmpipeResponsePacket(); break; case TransSubCommand.TRANS_READ_NMPIPE: smbPacket = new SmbTransReadNmpipeResponsePacket(); break; case TransSubCommand.TRANS_WRITE_NMPIPE: smbPacket = new SmbTransWriteNmpipeResponsePacket(); break; case TransSubCommand.TRANS_WAIT_NMPIPE: smbPacket = new SmbTransWaitNmpipeResponsePacket(); break; case TransSubCommand.TRANS_CALL_NMPIPE: smbPacket = new SmbTransCallNmpipeResponsePacket(); break; default: break; } return smbPacket; }