/// <summary> /// to decode the smb data: from the general SmbDada to the concrete Smb Data. /// </summary> protected override void DecodeData() { this.smbData = TypeMarshal.ToStruct<SMB_COM_WRITE_ANDX_Request_SMB_Data>( TypeMarshal.ToBytes(this.smbDataBlock)); }
/// <summary> /// to create a WriteAndx 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 FID indicating the file from which the data MUST be /// read.</param> /// <param name="offset">If WordCount is 10 this field represents a 32-bit offset, measured in bytes, of where /// the read MUST start relative to the beginning of the file. If WordCount is 12 this field represents the /// lower 32 bits of a 64-bit offset</param> /// <param name="timeout">This field represents the amount of time, in milliseconds, that a server MUST wait /// before sending a response</param> /// <param name="writeMode">A 16-bit field containing flags </param> /// <param name="offsetHigh">This field is optional. If WordCount is 12 this field is not included in the /// request. If WordCount is 14 this field represents the upper 32 bits of a 64-bit offset, measured in bytes, /// of where the write SHOULD start relative to the beginning of the file</param> /// <param name="data">The bytes to be written to the file</param> /// <param name="andxPacket">the andx packet.</param> /// <returns>a WriteAndx request packet</returns> public SmbWriteAndxRequestPacket CreateWriteAndxRequest( ushort messageId, ushort uid, ushort treeId, SmbFlags flags, SmbFlags2 flags2, ushort fid, uint offset, uint timeout, WriteAndxWriteMode writeMode, uint offsetHigh, byte[] data, SmbPacket andxPacket) { if (data == null) { data = new byte[0]; } SmbWriteAndxRequestPacket packet = new SmbWriteAndxRequestPacket(); packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_WRITE_ANDX, messageId, uid, treeId, flags, flags2); SMB_COM_WRITE_ANDX_Request_SMB_Parameters smbParameters = new SMB_COM_WRITE_ANDX_Request_SMB_Parameters(); smbParameters.AndXReserved = 0; smbParameters.Remaining = 0; smbParameters.Reserved = 0; if (andxPacket == null) { smbParameters.AndXCommand = SmbCommand.SMB_COM_NO_ANDX_COMMAND; } else { smbParameters.AndXCommand = andxPacket.SmbHeader.Command; } smbParameters.FID = fid; smbParameters.Offset = offset; smbParameters.WriteMode = writeMode; smbParameters.Timeout = timeout; smbParameters.OffsetHigh = offsetHigh; smbParameters.Remaining = (ushort)data.Length; smbParameters.DataLength = (ushort)data.Length; smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord); SMB_COM_WRITE_ANDX_Request_SMB_Data smbData = new SMB_COM_WRITE_ANDX_Request_SMB_Data(); smbData.Pad = 0; smbData.Data = data; smbData.ByteCount = (ushort)(Marshal.SizeOf(smbData.Pad) + smbData.Data.Length); smbParameters.DataOffset = (ushort)(Marshal.SizeOf(packet.SmbHeader) + Marshal.SizeOf(smbParameters) + Marshal.SizeOf(smbData.ByteCount) + Marshal.SizeOf(smbData.Pad)); packet.SmbParameters = smbParameters; packet.SmbData = smbData; packet.AndxPacket = andxPacket; return packet; }