/// <summary> /// Deep copy constructor. /// </summary> public SmbWriteMpxRequestPacket(SmbWriteMpxRequestPacket packet) : base(packet) { this.InitDefaultValue(); this.smbParameters.WordCount = packet.SmbParameters.WordCount; this.smbParameters.FID = packet.SmbParameters.FID; this.smbParameters.TotalByteCount = packet.SmbParameters.TotalByteCount; this.smbParameters.Reserved = packet.SmbParameters.Reserved; this.smbParameters.ByteOffsetToBeginWrite = packet.SmbParameters.ByteOffsetToBeginWrite; this.smbParameters.Timeout = packet.SmbParameters.Timeout; this.smbParameters.WriteMode = packet.SmbParameters.WriteMode; this.smbParameters.RequestMask = packet.SmbParameters.RequestMask; this.smbParameters.DataLength = packet.SmbParameters.DataLength; this.smbParameters.DataOffset = packet.SmbParameters.DataOffset; this.smbData.ByteCount = packet.SmbData.ByteCount; if (packet.smbData.Pad != null) { this.smbData.Pad = new byte[packet.smbData.Pad.Length]; Array.Copy(packet.smbData.Pad, this.smbData.Pad, packet.smbData.Pad.Length); } else { this.smbData.Pad = new byte[0]; } if (packet.smbData.Buffer != null) { this.smbData.Buffer = new byte[packet.smbData.Buffer.Length]; Array.Copy(packet.smbData.Buffer, this.smbData.Buffer, packet.smbData.Buffer.Length); } else { this.smbData.Buffer = new byte[0]; } }
/// <summary> /// to create a WriteMpx request packet. /// </summary> /// <param name="messageId">This field SHOULD be the multiplex ID that is used to associate a response with a /// request.</param> /// <param name="uid">This field SHOULD identify the authenticated instance of the user.</param> /// <param name="treeId">This field identifies the subdirectory (or tree) on the server that the client is /// accessing.</param> /// <param name="flags">An 8-bit field of 1-bit flags describing various features in effect for the /// message</param> /// <param name="flags2">A 16-bit field of 1-bit flags that represent various features in effect for the /// message. Unspecified bits are reserved and MUST be zero.</param> /// <param name="fid">This field MUST be a valid 16-bit signed integer indicating the file to which the data /// should be written.</param> /// <param name="byteOffsetToBeginWrite">The requested total number of bytes to write to the file. The value /// MAY exceed the negotiated buffer size</param> /// <param name="requestMask">This field is a bit mask indicating this SMB request's identity to the /// server</param> /// <param name="timeout">This field MUST be ignored by the server</param> /// <param name="writeMode">A 16-bit field containing flags</param> /// <param name="buffer">The raw data in bytes which are to be written to the file.</param> /// <returns>a WriteMpx request packet</returns> public SmbWriteMpxRequestPacket CreateWriteMpxRequest( ushort messageId, ushort uid, ushort treeId, SmbFlags flags, SmbFlags2 flags2, ushort fid, uint byteOffsetToBeginWrite, WriteMpxWriteMode writeMode, uint timeout, uint requestMask, byte[] buffer) { if (buffer == null) { buffer = new byte[0]; } SmbWriteMpxRequestPacket packet = new SmbWriteMpxRequestPacket(); packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_WRITE_MPX, messageId, uid, treeId, flags, flags2); SMB_COM_WRITE_MPX_Request_SMB_Parameters smbParameters = new SMB_COM_WRITE_MPX_Request_SMB_Parameters(); smbParameters.FID = fid; smbParameters.TotalByteCount = (ushort)buffer.Length; smbParameters.DataLength = (ushort)buffer.Length; smbParameters.ByteOffsetToBeginWrite = byteOffsetToBeginWrite; smbParameters.Reserved = 0; smbParameters.Timeout = timeout; smbParameters.WriteMode = writeMode; smbParameters.RequestMask = requestMask; smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord); SMB_COM_WRITE_MPX_Request_SMB_Data smbData = new SMB_COM_WRITE_MPX_Request_SMB_Data(); // The size of the preceding SmbParameters part plus Header part is an odd number for all cifs messages // If the format is Unicode, needs to add one 16 bits align pad if ((flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE) { // pad 1 byte for 16-bits align: smbData.Pad = new byte[1]; } else { smbData.Pad = new byte[0]; } smbData.Buffer = buffer; smbData.ByteCount = (ushort)(smbData.Buffer.Length + smbData.Pad.Length); smbParameters.DataOffset = (ushort)(Marshal.SizeOf(packet.SmbHeader) + Marshal.SizeOf(smbParameters) + Marshal.SizeOf(smbData.ByteCount) + smbData.Pad.Length); packet.SmbParameters = smbParameters; packet.SmbData = smbData; return packet; }
public SmbWriteMpxResponsePacket CreateWriteMpxResponse( CifsServerPerConnection connection, SmbWriteMpxRequestPacket request) { SmbWriteMpxResponsePacket response = new SmbWriteMpxResponsePacket(); response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request); SMB_COM_WRITE_MPX_Response_SMB_Parameters smbParameters = response.SmbParameters; smbParameters.ResponseMask = request.SmbParameters.RequestMask; smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2); response.SmbParameters = smbParameters; return response; }