/// <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_ECHO_Request_SMB_Parameters>( TypeMarshal.ToBytes(this.smbParametersBlock)); }
/// <summary> /// to create an Echo 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="echoCount">The number of times the server SHOULD echo the contents of the SMB_Data.Data /// field</param> /// <param name="data">Data to echo. The value does not matter</param> /// <returns>a Echo request packet</returns> public SmbEchoRequestPacket CreateEchoRequest( ushort messageId, ushort uid, ushort treeId, SmbFlags flags, SmbFlags2 flags2, ushort echoCount, byte[] data) { if (data == null) { data = new byte[0]; } SmbEchoRequestPacket packet = new SmbEchoRequestPacket(); packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_ECHO, messageId, uid, treeId, flags, flags2); SMB_COM_ECHO_Request_SMB_Parameters smbParameters = new SMB_COM_ECHO_Request_SMB_Parameters(); smbParameters.EchoCount = echoCount; smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord); SMB_COM_ECHO_Request_SMB_Data smbData = new SMB_COM_ECHO_Request_SMB_Data(); smbData.Data = data; smbData.ByteCount = (ushort)data.Length; packet.SmbParameters = smbParameters; packet.SmbData = smbData; return packet; }