/// <summary>
/// to decode the NtTrans parameters: from the general NtTransParameters to the concrete NtTrans Parameters.
/// </summary>
protected override void DecodeNtTransParameters()
{
if (this.smbData.NT_Trans_Parameters != null)
{
this.ntTransParameters =
TypeMarshal.ToStruct<NT_TRANSACT_QUERY_SECURITY_DESC_Request_NT_Trans_Parameters>(
this.smbData.NT_Trans_Parameters);
}
}
/// <summary>
/// to create a NtTransactSetSecurityDesc 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="maxParameterCount">The maximum number of parameter bytes that the client will accept in the
/// transaction reply. The server MUST NOT return more than this number of parameter bytes.</param>
/// <param name="maxDataCount">The maximum number of data bytes that the client will accept in the transaction
/// reply. The server MUST NOT return more than this number of data bytes.</param>
/// <param name="maxSetupCount">Maximum number of setup bytes that the client will accept in the transaction
/// reply. The server MUST NOT return more than this number of setup bytes</param>
/// <param name="securityInfoFields">A 32-bit field representing the requested fields of the security
/// descriptor to be retrieved. </param>
/// <param name="fid">MUST contain a valid FID obtained from a previously successful SMB open command.</param>
/// <returns>a NtTransactSetSecurityDesc request packet</returns>
public SmbNtTransactQuerySecurityDescRequestPacket CreateNtTransactQuerySecurityDescRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
byte maxSetupCount,
uint maxParameterCount,
uint maxDataCount,
ushort fid,
NtTransactSecurityInformation securityInfoFields)
{
SmbNtTransactQuerySecurityDescRequestPacket packet = new SmbNtTransactQuerySecurityDescRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_NT_TRANSACT,
messageId, uid, treeId, flags, flags2);
// Set Smb_Parameters
SMB_COM_NT_TRANSACT_Request_SMB_Parameters smbParameters =
new SMB_COM_NT_TRANSACT_Request_SMB_Parameters();
smbParameters.MaxSetupCount = maxSetupCount;
smbParameters.MaxParameterCount = maxParameterCount;
smbParameters.MaxDataCount = maxDataCount;
smbParameters.SetupCount = 0; // the correct count in word of the Setup is always 0.
smbParameters.Function = NtTransSubCommand.NT_TRANSACT_QUERY_SECURITY_DESC;
smbParameters.Setup = new ushort[0];
smbParameters.WordCount = (byte)(CifsMessageUtils.GetSize<SMB_COM_NT_TRANSACT_Request_SMB_Parameters>(
smbParameters) / NumBytesOfWord);
// Set Smb_Data
SMB_COM_NT_TRANSACT_Request_SMB_Data smbData = new SMB_COM_NT_TRANSACT_Request_SMB_Data();
// Set NT_TransParameters
NT_TRANSACT_QUERY_SECURITY_DESC_Request_NT_Trans_Parameters ntTransParameters =
new NT_TRANSACT_QUERY_SECURITY_DESC_Request_NT_Trans_Parameters();
ntTransParameters.FID = fid;
ntTransParameters.SecurityInfoFields = securityInfoFields;
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
packet.NtTransParameters = ntTransParameters;
packet.UpdateCountAndOffset();
return packet;
}
