security/apparmor/include/mount.h

   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
  28 int aa_remount(const struct cred *subj_cred,
  29                struct aa_label *label, const struct path *path,
  30                unsigned long flags, void *data);
  31
  32 int aa_bind_mount(const struct cred *subj_cred,
  33                   struct aa_label *label, const struct path *path,
  34                   const char *old_name, unsigned long flags);
  35
  36
  37 int aa_mount_change_type(const struct cred *subj_cred,
  38                          struct aa_label *label, const struct path *path,
  39                          unsigned long flags);
  40
  41 int aa_move_mount_old(const struct cred *subj_cred,
  42                       struct aa_label *label, const struct path *path,
  43                       const char *old_name);
  44 int aa_move_mount(const struct cred *subj_cred,
  45                   struct aa_label *label, const struct path *from_path,
  46                   const struct path *to_path);
  47
  48 int aa_new_mount(const struct cred *subj_cred,
  49                  struct aa_label *label, const char *dev_name,
  50                  const struct path *path, const char *type, unsigned long flags,
  51                  void *data);
  52
  53 int aa_umount(const struct cred *subj_cred,
  54               struct aa_label *label, struct vfsmount *mnt, int flags);
  55
  56 int aa_pivotroot(const struct cred *subj_cred,
  57                  struct aa_label *label, const struct path *old_path,
  58                  const struct path *new_path);
  59
  60 #endif /* __AA_MOUNT_H */