mirror of
https://github.com/openharmony/third_party_fsverity-utils.git
synced 2026-07-01 10:05:35 -04:00
Eric Biggers
cf8fa5e5a7
Add a 'fsverity dump_metadata' subcommand which calls FS_IOC_READ_VERITY_METADATA on a file and prints the returned metadata to stdout. There are three subsubcommands, one for each type of metadata that can be read using the ioctl: fsverity dump_metadata merkle_tree FILE fsverity dump_metadata descriptor FILE fsverity dump_metadata signature FILE By default the whole metadata item is dumped. --length and --offset can be specified to dump only a particular range of the item. This subcommand will be used by xfstests to test the FS_IOC_READ_VERITY_METADATA ioctl. Link: https://lore.kernel.org/r/20210115182402.35691-3-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Private header for the 'fsverity' program
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*
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* Copyright 2018 Google LLC
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*
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* Use of this source code is governed by an MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT.
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*/
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#ifndef PROGRAMS_FSVERITY_H
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#define PROGRAMS_FSVERITY_H
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#include "utils.h"
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#include "../common/fsverity_uapi.h"
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/*
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* Largest digest size among all hash algorithms supported by fs-verity.
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* This can be increased if needed.
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*/
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#define FS_VERITY_MAX_DIGEST_SIZE 64
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enum {
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OPT_BLOCK_SIZE,
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OPT_CERT,
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OPT_COMPACT,
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OPT_FOR_BUILTIN_SIG,
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OPT_HASH_ALG,
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OPT_KEY,
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OPT_LENGTH,
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OPT_OFFSET,
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OPT_SALT,
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OPT_SIGNATURE,
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};
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struct fsverity_command;
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/* cmd_digest.c */
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int fsverity_cmd_digest(const struct fsverity_command *cmd,
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int argc, char *argv[]);
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/* cmd_dump_metadata.c */
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int fsverity_cmd_dump_metadata(const struct fsverity_command *cmd,
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int argc, char *argv[]);
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/* cmd_enable.c */
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int fsverity_cmd_enable(const struct fsverity_command *cmd,
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int argc, char *argv[]);
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/* cmd_measure.c */
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int fsverity_cmd_measure(const struct fsverity_command *cmd,
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int argc, char *argv[]);
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/* cmd_sign.c */
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int fsverity_cmd_sign(const struct fsverity_command *cmd,
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int argc, char *argv[]);
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/* fsverity.c */
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void usage(const struct fsverity_command *cmd, FILE *fp);
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bool parse_tree_param(int opt_char, const char *arg,
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struct libfsverity_merkle_tree_params *params);
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void destroy_tree_params(struct libfsverity_merkle_tree_params *params);
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#endif /* PROGRAMS_FSVERITY_H */
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