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