[PATCH v5 07/12] KEYS: Introduce link restriction to include builtin, secondary and machine keys

[Eric Snowberg]

> On Sep 9, 2021, at 11:26 AM, Mimi Zohar <zohar at linux.ibm.com> wrote:
> 
> Hi Eric,
> 
> The subject line above is too long.   According to
> Documentation/process/submitting-patches.rst the "the ``summary`` must
> be no more than 70-75 characters".
> 
> On Tue, 2021-09-07 at 12:01 -0400, Eric Snowberg wrote:
>> Introduce a new link restriction that includes the trusted builtin,
>> secondary and machine keys. The restriction is based on the key to be added
>> being vouched for by a key in any of these three keyrings.
>> 
>> Suggested-by: Mimi Zohar <zohar at linux.ibm.com>
>> Signed-off-by: Eric Snowberg <eric.snowberg at oracle.com>
>> ---
>> v3: Initial version
>> v4: moved code under CONFIG_INTEGRITY_MOK_KEYRING
>> v5: Rename to machine keyring
>> ---
>> certs/system_keyring.c        | 23 +++++++++++++++++++++++
>> include/keys/system_keyring.h |  6 ++++++
>> 2 files changed, 29 insertions(+)
>> 
>> diff --git a/certs/system_keyring.c b/certs/system_keyring.c
>> index 08ea542c8096..955bd57815f4 100644
>> --- a/certs/system_keyring.c
>> +++ b/certs/system_keyring.c
>> @@ -99,6 +99,29 @@ void __init set_machine_trusted_keys(struct key *keyring)
>> {
>> 	machine_trusted_keys = keyring;
>> }
>> +
>> +/**
>> + * restrict_link_by_builtin_secondary_and_ca_trusted
> 
> Sorry for the patch churn.  With the keyring name change to ".machine",
> the restriction name should also reflect this change.

Yes, I can change that. Should it be renamed to 
restrict_link_by_builtin_secondary_and_machine_trusted? That seems a little
long though.  Thanks.