2.2.15 SMB2 CLOSE Request

The SMB2 CLOSE Request packet is used by the client to close an instance of a file that was opened previously with a successful SMB2 CREATE Request. This request is composed of an SMB2 header, as specified in section 2.2.1, followed by this request structure:

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
StructureSize																Flags
Reserved
FileId
...
...
...

StructureSize (2 bytes): The client MUST set this field to 24, indicating the size of the request structure, not including the header.

Flags (2 bytes): A Flags field indicates how to process the operation. This field MUST be constructed using the following value:

Value	Meaning
SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB 0x0001	If set, the server MUST set the attribute fields in the response, as specified in section 2.2.16, to valid values. If not set, the client MUST NOT use the values that are returned in the response.

Reserved (4 bytes): This field MUST NOT be used and MUST be reserved. The client MUST set this to 0, and the server MUST ignore it on receipt.

FileId (16 bytes): An SMB2_FILEID structure, as specified in section 2.2.14.1.

The identifier of the open to a file or named pipe that is being closed.