1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * AppArmor security module
 4 *
 5 * This file contains AppArmor file mediation function definitions.
 6 *
 7 * Copyright 2017 Canonical Ltd.
 8 */
 9
10#ifndef __AA_MOUNT_H
11#define __AA_MOUNT_H
12
13#include <linux/fs.h>
14#include <linux/path.h>
15
16#include "domain.h"
17#include "policy.h"
18
19/* mount perms */
20#define AA_MAY_PIVOTROOT	0x01
21#define AA_MAY_MOUNT		0x02
22#define AA_MAY_UMOUNT		0x04
23#define AA_AUDIT_DATA		0x40
24#define AA_MNT_CONT_MATCH	0x40
25
26#define AA_MS_IGNORE_MASK (MS_KERNMOUNT | MS_NOSEC | MS_ACTIVE | MS_BORN)
27
28int aa_remount(struct aa_label *label, const struct path *path,
29	       unsigned long flags, void *data);
30
31int aa_bind_mount(struct aa_label *label, const struct path *path,
32		  const char *old_name, unsigned long flags);
33
34
35int aa_mount_change_type(struct aa_label *label, const struct path *path,
36			 unsigned long flags);
37
38int aa_move_mount(struct aa_label *label, const struct path *path,
39		  const char *old_name);
40
41int aa_new_mount(struct aa_label *label, const char *dev_name,
42		 const struct path *path, const char *type, unsigned long flags,
43		 void *data);
44
45int aa_umount(struct aa_label *label, struct vfsmount *mnt, int flags);
46
47int aa_pivotroot(struct aa_label *label, const struct path *old_path,
48		 const struct path *new_path);
49
50#endif /* __AA_MOUNT_H */