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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "2return_codes.h"
#include "2sha.h"
#define ENV_CBFSTOOL "CBFSTOOL"
#define DEFAULT_CBFSTOOL "cbfstool"
vb2_error_t cbfstool_truncate(const char *file, const char *region,
size_t *new_size);
/*
* Check whether image under `file` path supports CBFS_VERIFICATION,
* and contains metadata hash. Hash found is available under *hash. If it was
* not found, then hash type will be set to VB2_HASH_INVALID.
*
* If `region` is NULL, then region option will not be passed to cbfstool.
* Operations will be performed on default `COREBOOT` region.
*/
vb2_error_t cbfstool_get_metadata_hash(const char *file, const char *region,
struct vb2_hash *hash);
/*
* Get value of `config` file field.
*
* This function extracts "config" file from selected region, parses it to find
* value of `config_field`, and returns it to `value` as allocated string
* (which has to be freed) or NULL if value was not found.
*
* If `region` is NULL, then region option will not be passed to cbfstool.
* Operations will be performed on default `COREBOOT` region.
*/
vb2_error_t cbfstool_get_config_value(const char *file, const char *region,
const char *config_field, char **value);
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