Function fv_parse

util/smmstoretool/fv.c:157–177

}

bool fv_parse(struct mem_range_t fv, struct mem_range_t *var_store,
	      bool *is_auth_var_store)
{
	const EFI_FIRMWARE_VOLUME_HEADER *vol_hdr = (void *)fv.start;
	if (!check_fw_vol_hdr(vol_hdr, fv.length)) {
		fprintf(stderr, "No valid firmware volume was found\n");
		return false;
	}

	uint8_t *fw_vol_data = fv.start + vol_hdr->HeaderLength;
	size_t volume_size = fv.length - vol_hdr->HeaderLength;
	const VARIABLE_STORE_HEADER *var_store_hdr = (void *)fw_vol_data;
	if (!check_var_store_hdr(var_store_hdr, volume_size, is_auth_var_store)) {
		fprintf(stderr, "No valid variable store was found");
		return false;
	}

	var_store->start = fw_vol_data + sizeof(*var_store_hdr);
	var_store->length = volume_size - sizeof(*var_store_hdr);
	return true;
}