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3.3.5.9.6 Handling the SMB2_CREATE_DURABLE_HANDLE_REQUEST Create Context

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The client is requesting that the open be marked for durable operation. If the underlying object store does not support durable operation, the server MUST ignore the SMB2_CREATE_DURABLE_HANDLE_REQUEST create context.

If the create request also includes an SMB2_CREATE_DURABLE_HANDLE_RECONNECT create context, the server MUST process the create context as specified in section 3.3.5.9.7 and skip this section.

If the create request also includes an SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 or SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 create context, the server SHOULD<332> fail the create request with STATUS_INVALID_PARAMETER.

If the RequestedOplockLevel field in the create request is not set to SMB2_OPLOCK_LEVEL_BATCH and the create request does not include an SMB2_CREATE_REQUEST_LEASE create context with a LeaseState field that includes the SMB2_LEASE_HANDLE_CACHING bit value, the server MUST ignore this create context and skip this section.

If an SMB2_CREATE_REQUEST_LEASE Create Context or an SMB2_CREATE_REQUEST_LEASE_V2 Create Context is also present in the request and the lease is being requested on a directory, the server MUST ignore this SMB2_CREATE_DURABLE_HANDLE_REQUEST Create Context and skip this section.

The processing changes involved for this create context are:

In the "Successful Open Initialization" phase, if the underlying object store does not grant durability, the server MUST skip the rest of the processing in this phase. Otherwise, the server MUST set Open.IsDurable to TRUE and Open.DurableOwner to a security descriptor accessible only by the user represented by Open.Session.SecurityContext and Open.DurableOpenTimeout MUST be set to an implementation specific value<333>.

In the "Response Construction" phase, the server MUST construct an SMB2_CREATE_DURABLE_HANDLE_RESPONSE response create context, following the syntax specified in section 2.2.14.2.3, and include it in the buffer described by the response CreateContextsLength and CreateContextsOffset.