Re: [RFC PATCH 11/12] certs: Add a secondary system keyring that can be added to dynamically [ver #3]

From: Mimi Zohar
Date: Tue Apr 05 2016 - 20:47:41 EST


On Wed, 2016-03-09 at 11:19 +0000, David Howells wrote:

> +#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
> +/**
> + * restrict_link_by_builtin_and_secondary_trusted - Restrict keyring
> + * addition by both builtin and secondary keyrings
> + *
> + * Restrict the addition of keys into a keyring based on the key-to-be-added
> + * being vouched for by a key in either the built-in or the secondary system
> + * keyrings.
> + */
> +int restrict_link_by_builtin_and_secondary_trusted(
> + struct key *keyring,
> + const struct key_type *type,
> + const union key_payload *payload)
> +{
> + /* If we have a secondary trusted keyring, then that contains a link
> + * through to the builtin keyring and the search will follow that link.
> + */
> + if (type == &key_type_keyring &&
> + keyring == secondary_trusted_keys &&
> + payload == &builtin_trusted_keys->payload)
> + /* Allow the builtin keyring to be added to the secondary */
> + return 0;
> +
> + return restrict_link_by_signature(builtin_trusted_keys, type, payload);

Shouldn't thi be secondary_trusted_keys?

Mimi

> +}
> +#endif