const void *data;
size_t datalen;
size_t quotalen;
+ time_t expiry;
};
Before calling the method, the caller will fill in data and datalen with
the payload blob parameters; quotalen will be filled in with the default
- quota size from the key type and the rest will be cleared.
+ quota size from the key type; expiry will be set to TIME_T_MAX and the
+ rest will be cleared.
If a description can be proposed from the payload contents, that should be
attached as a string to the description field. This will be used for the
key description if the caller of add_key() passes NULL or "".
The method can attach anything it likes to type_data[] and payload. These
- are merely passed along to the instantiate() or update() operations.
+ are merely passed along to the instantiate() or update() operations. If
+ set, the expiry time will be applied to the key if it is instantiated from
+ this data.
- The method should return 0 if success ful or a negative error code
+ The method should return 0 if successful or a negative error code
otherwise.
This method is only required if the preparse() method is provided,
otherwise it is unused. It cleans up anything attached to the
description, type_data and payload fields of the key_preparsed_payload
- struct as filled in by the preparse() method.
+ struct as filled in by the preparse() method. It will always be called
+ after preparse() returns successfully, even if instantiate() or update()
+ succeed.
(*) int (*instantiate)(struct key *key, struct key_preparsed_payload *prep);