/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbSeekRequestPacket(SmbSeekRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.Mode = packet.SmbParameters.Mode;
this.smbParameters.Offset = packet.SmbParameters.Offset;
this.smbData.ByteCount = packet.SmbData.ByteCount;
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbSeekRequestPacket(SmbSeekRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.Mode = packet.SmbParameters.Mode;
this.smbParameters.Offset = packet.SmbParameters.Offset;
this.smbData.ByteCount = packet.SmbData.ByteCount;
}
/// <summary>
/// to create a Seek 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">The File ID of the open file within which to seek</param>
/// <param name="mode">The seek mode. Possible values are 0,1,2</param>
/// <param name="offset">A 32-bit signed long value indicating the file position, relative to the position
/// indicated in Mode, to which to set the updated file pointer.</param>
/// <returns>a Seek request packet</returns>
public SmbSeekRequestPacket CreateSeekRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort fid,
SeekModeValues mode,
int offset)
{
SmbSeekRequestPacket packet = new SmbSeekRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_SEEK,
messageId, uid, treeId, flags, flags2);
SMB_COM_SEEK_Request_SMB_Parameters smbParameters = new SMB_COM_SEEK_Request_SMB_Parameters();
smbParameters.FID = fid;
smbParameters.Mode = (ushort)mode;
smbParameters.Offset = offset;
smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord);
SMB_COM_SEEK_Request_SMB_Data smbData = new SMB_COM_SEEK_Request_SMB_Data();
smbData.ByteCount = 0;
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
return packet;
}
public SmbSeekResponsePacket CreateSeekResponse(
CifsServerPerConnection connection,
SmbSeekRequestPacket request)
{
SmbSeekResponsePacket response = new SmbSeekResponsePacket();
response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);
SMB_COM_SEEK_Response_SMB_Parameters smbParameters = response.SmbParameters;
smbParameters.Offset = (uint)request.SmbParameters.Offset;
smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2);
response.SmbParameters = smbParameters;
return response;
}
