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- /* SPDX-License-Identifier: MIT */
- /*
- * Copyright (C) 2016 The Android Open Source Project
- */
- #ifdef AVB_INSIDE_LIBAVB_H
- #error "You can't include avb_sha.h in the public header libavb.h."
- #endif
- #ifndef AVB_COMPILATION
- #error "Never include this file, it may only be used from internal avb code."
- #endif
- #ifndef AVB_CMDLINE_H_
- #define AVB_CMDLINE_H_
- #include "avb_ops.h"
- #include "avb_slot_verify.h"
- /* Maximum allow length (in bytes) of a partition name, including
- * ab_suffix.
- */
- #define AVB_PART_NAME_MAX_SIZE 32
- #define AVB_MAX_NUM_CMDLINE_SUBST 10
- /* Holds information about command-line substitutions. */
- typedef struct AvbCmdlineSubstList {
- size_t size;
- char* tokens[AVB_MAX_NUM_CMDLINE_SUBST];
- char* values[AVB_MAX_NUM_CMDLINE_SUBST];
- } AvbCmdlineSubstList;
- /* Substitutes all variables (e.g. $(ANDROID_SYSTEM_PARTUUID)) with
- * values. Returns NULL on OOM, otherwise the cmdline with values
- * replaced.
- */
- char* avb_sub_cmdline(AvbOps* ops,
- const char* cmdline,
- const char* ab_suffix,
- bool using_boot_for_vbmeta,
- const AvbCmdlineSubstList* additional_substitutions);
- AvbSlotVerifyResult avb_append_options(
- AvbOps* ops,
- AvbSlotVerifyFlags flags,
- AvbSlotVerifyData* slot_data,
- AvbVBMetaImageHeader* toplevel_vbmeta,
- AvbAlgorithmType algorithm_type,
- AvbHashtreeErrorMode hashtree_error_mode,
- AvbHashtreeErrorMode resolved_hashtree_error_mode);
- /* Allocates and initializes a new command line substitution list. Free with
- * |avb_free_cmdline_subst_list|.
- */
- AvbCmdlineSubstList* avb_new_cmdline_subst_list(void);
- /* Use this instead of |avb_free| to deallocate a AvbCmdlineSubstList. */
- void avb_free_cmdline_subst_list(AvbCmdlineSubstList* cmdline_subst);
- /* Adds a hashtree root digest to be substituted in $(AVB_*_ROOT_DIGEST)
- * variables. The partition name differentiates the variable. For example, if
- * |part_name| is "foo" then $(AVB_FOO_ROOT_DIGEST) will be substituted with the
- * hex encoding of the digest. The substitution will be added to
- * |out_cmdline_subst|. Returns AVB_SLOT_VERIFY_RESULT_OK on success.
- */
- AvbSlotVerifyResult avb_add_root_digest_substitution(
- const char* part_name,
- const uint8_t* digest,
- size_t digest_size,
- AvbCmdlineSubstList* out_cmdline_subst);
- #endif
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