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
