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/* lcfs
Copyright (C) 2023 Alexander Larsson <alexl@redhat.com>
SPDX-License-Identifier: GPL-2.0-or-later OR Apache-2.0
*/
#ifndef _LCFS_MOUNT_H
#define _LCFS_MOUNT_H
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#ifndef LCFS_EXTERN
#define LCFS_EXTERN extern
#endif
#define ENOVERITY ENOTTY
#define EWRONGVERITY EILSEQ
#define ENOSIGNATURE EBADMSG
enum lcfs_mount_flags_t {
LCFS_MOUNT_FLAGS_NONE = 0,
LCFS_MOUNT_FLAGS_REQUIRE_VERITY = (1 << 0),
LCFS_MOUNT_FLAGS_READONLY = (1 << 1),
LCFS_MOUNT_FLAGS_IDMAP = (1 << 3),
LCFS_MOUNT_FLAGS_TRY_VERITY = (1 << 4),
LCFS_MOUNT_FLAGS_MASK = (1 << 5) - 1,
};
struct lcfs_mount_options_s {
const char **objdirs;
size_t n_objdirs;
const char *workdir;
const char *upperdir;
const char *expected_fsverity_digest;
uint32_t flags;
int idmap_fd; /* userns fd */
const char *image_mountdir; /* Temporary location to mount images if needed */
uint32_t reserved[4];
void *reserved2[4];
};
LCFS_EXTERN int lcfs_mount_image(const char *path, const char *mountpoint,
struct lcfs_mount_options_s *options);
LCFS_EXTERN int lcfs_mount_fd(int fd, const char *mountpoint,
struct lcfs_mount_options_s *options);
#endif
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