On Sat, Sep 11, 2021 at 09:28:30AM +0200, Heinrich Schuchardt wrote:
> In multiple places we need the default GUID used for variables like
> 'PK', 'KEK', 'db'. Provide a function for it.
>
> Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
> ---
> include/efi_variable.h | 8 ++++++++
> lib/efi_loader/efi_var_common.c | 9 +++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/include/efi_variable.h b/include/efi_variable.h
> index 8f666b2309..03a3ecb235 100644
> --- a/include/efi_variable.h
> +++ b/include/efi_variable.h
> @@ -256,6 +256,14 @@ efi_status_t efi_init_secure_state(void);
> enum efi_auth_var_type efi_auth_var_get_type(const u16 *name,
> const efi_guid_t *guid);
>
> +/**
> + * efi_auth_var_get_guid() - get the predefined GUID for a variable name
> + *
> + * @name: name of UEFI variable
> + * Return: guid of UEFI variable
> + */
> +const efi_guid_t *efi_auth_var_get_guid(const u16 *name);
> +
> /**
> * efi_get_next_variable_name_mem() - Runtime common code across efi variable
> * implementations for GetNextVariable()
> diff --git a/lib/efi_loader/efi_var_common.c b/lib/efi_loader/efi_var_common.c
> index e179932124..3cbb7c96c2 100644
> --- a/lib/efi_loader/efi_var_common.c
> +++ b/lib/efi_loader/efi_var_common.c
> @@ -385,6 +385,15 @@ enum efi_auth_var_type efi_auth_var_get_type(const u16
> *name,
> return EFI_AUTH_VAR_NONE;
> }
>
> +const efi_guid_t *efi_auth_var_get_guid(const u16 *name)
> +{
> + for (size_t i = 0; i < ARRAY_SIZE(name_type); ++i) {
> + if (!u16_strcmp(name, name_type[i].name))
> + return name_type[i].guid;
> + }
> + return &efi_global_variable_guid;
> +}
> +
> /**
> * efi_get_var() - read value of an EFI variable
> *
> --
> 2.30.2
>
Reviewed-by: Ilias Apalodimas <ilias.apalodi...@linaro.org>
