70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2019 Google LLC
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*/
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#include <stdbool.h>
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#include <sys/stat.h>
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#include <include/uapi/linux/incrementalfs.h>
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
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#define __packed __attribute__((__packed__))
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#ifdef __LP64__
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#define ptr_to_u64(p) ((__u64)p)
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#else
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#define ptr_to_u64(p) ((__u64)(__u32)p)
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#endif
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#define SHA256_DIGEST_SIZE 32
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#define INCFS_MAX_MTREE_LEVELS 8
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unsigned int rnd(unsigned int max, unsigned int *seed);
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int remove_dir(const char *dir);
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int drop_caches(void);
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int mount_fs(const char *mount_dir, const char *backing_dir,
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int read_timeout_ms);
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int mount_fs_opt(const char *mount_dir, const char *backing_dir,
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const char *opt, bool remount);
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int get_file_bmap(int cmd_fd, int ino, unsigned char *buf, int buf_size);
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int get_file_signature(int fd, unsigned char *buf, int buf_size);
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int emit_node(int fd, char *filename, int *ino_out, int parent_ino,
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size_t size, mode_t mode, char *attr);
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int emit_file(int fd, const char *dir, const char *filename,
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incfs_uuid_t *id_out, size_t size, const char *attr);
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int crypto_emit_file(int fd, const char *dir, const char *filename,
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incfs_uuid_t *id_out, size_t size, const char *root_hash,
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const char *add_data);
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loff_t get_file_size(const char *name);
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int open_commands_file(const char *mount_dir);
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int open_log_file(const char *mount_dir);
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int open_blocks_written_file(const char *mount_dir);
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int wait_for_pending_reads(int fd, int timeout_ms,
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struct incfs_pending_read_info *prs, int prs_count);
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int wait_for_pending_reads2(int fd, int timeout_ms,
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struct incfs_pending_read_info2 *prs, int prs_count);
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char *concat_file_name(const char *dir, const char *file);
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void sha256(const char *data, size_t dsize, char *hash);
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void md5(const char *data, size_t dsize, char *hash);
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int delete_dir_tree(const char *path);
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