a6fbaa47ea
We want to distinguish between a variable store that's marked as capable of storing authenticated variables (basically, checking their signatures and promising that there's no TOCTOU possible), and a variable with the authentication-checking enabled. Change-Id: Ibf6ffbe279961ff54b0988d98a912a8421598e3b Signed-off-by: Benjamin Doron <benjamin.doron@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/88423 Reviewed-by: Sean Rhodes <sean@starlabs.systems> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
44 lines
981 B
C
44 lines
981 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
#ifndef SMMSTORETOOL__VS_H__
|
|
#define SMMSTORETOOL__VS_H__
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "udk2017.h"
|
|
#include "utils.h"
|
|
|
|
// Variable store is part of firmware volume. This unit doesn't deal with its
|
|
// header only with data that follows.
|
|
|
|
struct var_t {
|
|
uint8_t reserved;
|
|
uint32_t attrs;
|
|
EFI_GUID guid;
|
|
CHAR16 *name;
|
|
size_t name_size; // in bytes
|
|
uint8_t *data;
|
|
size_t data_size; // in bytes
|
|
struct var_t *next;
|
|
};
|
|
|
|
struct var_store_t {
|
|
struct var_t *vars;
|
|
bool is_auth_var_store;
|
|
};
|
|
|
|
struct var_store_t vs_load(struct mem_range_t vs_data, bool is_auth_var_store);
|
|
|
|
bool vs_store(struct var_store_t *vs, struct mem_range_t vs_data);
|
|
|
|
struct var_t *vs_new_var(struct var_store_t *vs);
|
|
|
|
struct var_t *vs_find(struct var_store_t *vs,
|
|
const char name[],
|
|
const EFI_GUID *guid);
|
|
|
|
void vs_delete(struct var_store_t *vs, struct var_t *var);
|
|
|
|
void vs_free(struct var_store_t *vs);
|
|
|
|
#endif // SMMSTORETOOL__VS_H__
|