/// <summary>
/// to create a WriteAndx request packet.
/// </summary>
/// <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="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="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>
/// <exception cref="System.NullReferenceException">There is no connection in context. </exception>
public SmbWriteAndxRequestPacket CreateWriteAndxRequest(
ushort uid,
ushort treeId,
ushort fid,
uint offset,
WriteAndxWriteMode writeMode,
uint offsetHigh,
byte[] data,
SmbPacket andxPacket)
{
return this.CreateWriteAndxRequest(this.Context.GetMessageId(this.connectionId),
uid, treeId, this.defaultParameters.Flag, this.defaultParameters.Flag2, fid, offset, this.defaultParameters.Timeout, writeMode,
offsetHigh, data, andxPacket);
}
/// <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;
}
