2.2.5.4.1 Request

 Trans_Parameters
   {
   USHORT Level;
   }
            

SMB_Parameters: The SMB_Parameters section contains the relevant fields for the TRANS_QUERY_NMPIPE_INFO subcommand of the SMB_COM_TRANSACTION request.

WordCount (1 byte): This field value is the total number of SMB parameter words and MUST be 0x10.

Words (32 bytes):

TotalParameterCount (2 bytes): This field MUST be set to 0x0002.

TotalDataCount (2 bytes): This field MUST be set to 0x0000.

MaxParameterCount (2 bytes): This field SHOULD be set to 0x0000.

MaxDataCount (2 bytes): This field SHOULD be greater than or equal to 0x00040.

MaxSetupCount (1 byte): This field SHOULD be set to 0x0000.

Flags (2 bytes): This field SHOULD be set to 0x0000 for this request.

Timeout (4 bytes): This field SHOULD be set to 0x00000000 for this request.

ParameterCount (2 bytes) USHORT:  This field SHOULD be set to 0x0002.

DataCount (2 bytes): This field MUST be set to 0x0000.

SetupCount (1 byte): This field MUST be set to 0x02.

Setup (4 bytes):

Subcommand (2 bytes): This field MUST be set to the transaction subcommand value of TRANS_QUERY_NMPIPE_INFO (0x0022).

FID (2 bytes): This field is the FID for the named pipe to read. This field MUST be set to a valid FID from a server response for a previous SMB command to open or create a named pipe. These commands include SMB_COM_OPEN, SMB_COM_CREATE, SMB_COM_CREATE_TEMPORARY, SMB_COM_CREATE_NEW, SMB_COM_OPEN_ANDX, SMB_COM_NT_CREATE_ANDX, and SMB_COM_NT_TRANSACT with subcommand NT_TRANSACT_CREATE.

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Trans_Parameters

Trans_Parameters (2 bytes):

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Level

Level (2 bytes): This field MUST be set to 0x0001. This value (as specified in [MS-DTYP] section 2.2.59) describes the information level being queried for the pipe. If the server receives any other value, it MUST fail the request with a status of STATUS_INVALID_PARAMETER (ERRDOS/ERRinvalidparam).