[PATCH v4 2/6] integrity: ignore keys failing CA restrictions on non-UEFI platform

[R Nageswara Sastry]

On 15/08/23 4:57 pm, Nayna Jain wrote:
> On non-UEFI platforms, handle restrict_link_by_ca failures differently.
> 
> Certificates which do not satisfy CA restrictions on non-UEFI platforms
> are ignored.
> 
> Signed-off-by: Nayna Jain <nayna at linux.ibm.com>
> Reviewed-and-tested-by: Mimi Zohar <zohar at linux.ibm.com>
> Acked-by: Jarkko Sakkinen <jarkko at kernel.org>


Tested with trustedcadb, moduledb scenarios
Tested-by: Nageswara R Sastry <rnsastry at linux.ibm.com>

> ---
>   security/integrity/platform_certs/machine_keyring.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/security/integrity/platform_certs/machine_keyring.c b/security/integrity/platform_certs/machine_keyring.c
> index 7aaed7950b6e..389a6e7c9245 100644
> --- a/security/integrity/platform_certs/machine_keyring.c
> +++ b/security/integrity/platform_certs/machine_keyring.c
> @@ -36,7 +36,7 @@ void __init add_to_machine_keyring(const char *source, const void *data, size_t
>   	 * If the restriction check does not pass and the platform keyring
>   	 * is configured, try to add it into that keyring instead.
>   	 */
> -	if (rc && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING))
> +	if (rc && efi_enabled(EFI_BOOT) && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING))
>   		rc = integrity_load_cert(INTEGRITY_KEYRING_PLATFORM, source,
>   					 data, len, perm);
>   

-- 
Thanks and Regards
R.Nageswara Sastry