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3.3.5.21 Receiving an SMB2 SET_INFO Request

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When the server receives a request with an SMB2 Header with a Command value equal to SMB2 SET_INFO, message handling proceeds as follows:

The server MUST locate the session, as specified in section 3.3.5.2.9.

The server MUST locate the tree connection, as specified in section 3.3.5.2.11.

Next, the server MUST locate the open on which the client is requesting to set information by performing a lookup in Session.OpenTable using FileId.Volatile of the request as the lookup key. If no open is found, or if Open.DurableFileId is not equal to FileId.Persistent, the server MUST fail the request with STATUS_FILE_CLOSED. Otherwise, the server MUST locate the Request in Connection.RequestList for which Request.MessageId matches the MessageId value in the SMB2 header, and set Request.Open to the Open.

If Open.IsPersistent is FALSE and Open.IsReplayEligible is TRUE, the server MUST set Open.IsReplayEligible to FALSE.

If BufferLength is greater than Connection.MaxTransactSize, the server SHOULD<423> fail the request with STATUS_INVALID_PARAMETER.

If the BufferLength field is zero, the server SHOULD fail the request with STATUS_INVALID_PARAMETER.

If Connection.SupportsMultiCredit is TRUE, the server MUST validate CreditCharge based on BufferLength, as specified in section 3.3.5.2.5. If the validation fails, it MUST fail the request with STATUS_INVALID_PARAMETER.

The remaining processing for this request depends on the InfoType requested, as described below.

The status code returned by this operation MUST be one of those defined in [MS-ERREF]. Common status codes returned by this operation include:

  • STATUS_SUCCESS

  • STATUS_INSUFFICIENT_RESOURCES

  • STATUS_ACCESS_DENIED

  • STATUS_FILE_CLOSED

  • STATUS_NETWORK_NAME_DELETED

  • STATUS_USER_SESSION_DELETED

  • STATUS_NETWORK_SESSION_EXPIRED

  • STATUS_INVALID_PARAMETER

  • STATUS_INVALID_INFO_CLASS

  • STATUS_NOT_SUPPORTED

  • STATUS_EA_LIST_INCONSISTENT

  • STATUS_CANCELLED