/// <summary> /// to decode the smb parameters: from the general SmbParameters to the concrete Smb Parameters. /// </summary> protected override void DecodeParameters() { this.smbParameters = TypeMarshal.ToStruct<SMB_COM_WRITE_RAW_Request_SMB_Parameters>( TypeMarshal.ToBytes(this.smbParametersBlock)); }
/// <summary> /// to create a WriteRaw 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="offset">The offset in bytes from the start of the file at which the write SHOULD begin. /// </param> /// <param name="timeout">This field is the timeout in milliseconds to wait for the write to complete.</param> /// <param name="writeMode">A 16-bit field containing flags defined as follows. </param> /// <param name="offsetHigh">If WordCount is 14, this is the upper 32 bits of the 64-bit offset in bytes from /// the start of the file at which the write MUST start.</param> /// <param name="data">Array of UCHAR The bytes to be written to the file.</param> /// <returns>a WriteRaw request packet</returns> public SmbWriteRawRequestPacket CreateWriteRawRequest( ushort messageId, ushort uid, ushort treeId, SmbFlags flags, SmbFlags2 flags2, ushort fid, uint offset, uint timeout, WriteMode writeMode, uint offsetHigh, byte[] data) { if (data == null) { data = new byte[0]; } SmbWriteRawRequestPacket packet = new SmbWriteRawRequestPacket(); packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_WRITE_RAW, messageId, uid, treeId, flags, flags2); SMB_COM_WRITE_RAW_Request_SMB_Parameters smbParameters = new SMB_COM_WRITE_RAW_Request_SMB_Parameters(); smbParameters.FID = fid; smbParameters.CountOfBytes = (ushort)data.Length; smbParameters.Reserved1 = 0; smbParameters.Offset = offset; smbParameters.Timeout = timeout; smbParameters.WriteMode = writeMode; smbParameters.Reserved2 = 0; smbParameters.DataLength = (ushort)data.Length; smbParameters.OffsetHigh = offsetHigh; smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord); SMB_COM_WRITE_RAW_Request_SMB_Data smbData = new SMB_COM_WRITE_RAW_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.Data = data; smbData.ByteCount = (ushort)(smbData.Data.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; }