/// <summary> /// Deep copy constructor. /// </summary> public SmbReadRequestPacket(SmbReadRequestPacket packet) : base(packet) { this.InitDefaultValue(); this.smbParameters.WordCount = packet.SmbParameters.WordCount; this.smbParameters.FID = packet.SmbParameters.FID; this.smbParameters.CountOfBytesToRead = packet.SmbParameters.CountOfBytesToRead; this.smbParameters.ReadOffsetInBytes = packet.SmbParameters.ReadOffsetInBytes; this.smbParameters.EstimateOfRemainingBytesToBeRead = packet.smbParameters.EstimateOfRemainingBytesToBeRead; this.smbData.ByteCount = packet.SmbData.ByteCount; }
/// <summary> /// to create a Read 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 from which the data /// MUST be read.</param> /// <param name="countOfBytesToRead">This field is a 16-bit unsigned integer indicating the number of bytes to /// be read from the file. The client MUST ensure that the amount of data requested will fit in the negotiated /// maximum buffer size</param> /// <param name="readOffsetInBytes">This field is a 32-bit unsigned integer indicating the offset in number of /// bytes from which to begin reading from the file. The client MUST ensure that the amount of data requested /// fits in the negotiated maximum buffer size. Because this field is limited to 32-bits this command is /// inappropriate for files having 64-bit offsets</param> /// <param name="estimateOfRemainingBytesToBeRead">This field is a 16-bit unsigned integer indicating the /// remaining number of bytes that the client intends to read from the file. This is an advisory field and MAY /// be zero</param> /// <returns>a Read request packet</returns> public SmbReadRequestPacket CreateReadRequest( ushort messageId, ushort uid, ushort treeId, SmbFlags flags, SmbFlags2 flags2, ushort fid, ushort countOfBytesToRead, uint readOffsetInBytes, ushort estimateOfRemainingBytesToBeRead) { SmbReadRequestPacket packet = new SmbReadRequestPacket(); packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_READ, messageId, uid, treeId, flags, flags2); SMB_COM_READ_Request_SMB_Parameters smbParameters = new SMB_COM_READ_Request_SMB_Parameters(); smbParameters.FID = fid; smbParameters.CountOfBytesToRead = countOfBytesToRead; smbParameters.ReadOffsetInBytes = readOffsetInBytes; smbParameters.EstimateOfRemainingBytesToBeRead = estimateOfRemainingBytesToBeRead; smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord); SMB_COM_READ_Request_SMB_Data smbData = new SMB_COM_READ_Request_SMB_Data(); smbData.ByteCount = 0; packet.SmbParameters = smbParameters; packet.SmbData = smbData; return packet; }
public SmbReadResponsePacket CreateReadResponse( CifsServerPerConnection connection, SmbReadRequestPacket request, byte[] bytes) { bytes = bytes ?? new byte[0]; SmbReadResponsePacket response = new SmbReadResponsePacket(); response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request); SMB_COM_READ_Response_SMB_Parameters smbParameters = response.SmbParameters; smbParameters.CountOfBytesReturned = (ushort)bytes.Length; smbParameters.Reserved = new ushort[4]; smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2); response.SmbParameters = smbParameters; SMB_COM_READ_Response_SMB_Data smbData = response.SmbData; smbData.ByteCount = (ushort)(Marshal.SizeOf(response.SmbData.BufferFormat) + Marshal.SizeOf( response.SmbData.CountOfBytesRead) + bytes.Length); smbData.CountOfBytesRead = (ushort)bytes.Length; smbData.BufferFormat = 0x01; smbData.Bytes = bytes; response.SmbData = smbData; return response; }