linux_dsm_epyc7002/security/apparmor
John Johansen 2ea3ffb778 apparmor: add mount mediation
Add basic mount mediation. That allows controlling based on basic
mount parameters. It does not include special mount parameters for
apparmor, super block labeling, or any triggers for apparmor namespace
parameter modifications on pivot root.

default userspace policy rules have the form of
  MOUNT RULE = ( MOUNT | REMOUNT | UMOUNT )

  MOUNT = [ QUALIFIERS ] 'mount' [ MOUNT CONDITIONS ] [ SOURCE FILEGLOB ]
          [ '->' MOUNTPOINT FILEGLOB ]

  REMOUNT = [ QUALIFIERS ] 'remount' [ MOUNT CONDITIONS ]
            MOUNTPOINT FILEGLOB

  UMOUNT = [ QUALIFIERS ] 'umount' [ MOUNT CONDITIONS ] MOUNTPOINT FILEGLOB

  MOUNT CONDITIONS = [ ( 'fstype' | 'vfstype' ) ( '=' | 'in' )
                       MOUNT FSTYPE EXPRESSION ]
		       [ 'options' ( '=' | 'in' ) MOUNT FLAGS EXPRESSION ]

  MOUNT FSTYPE EXPRESSION = ( MOUNT FSTYPE LIST | MOUNT EXPRESSION )

  MOUNT FSTYPE LIST = Comma separated list of valid filesystem and
                      virtual filesystem types (eg ext4, debugfs, etc)

  MOUNT FLAGS EXPRESSION = ( MOUNT FLAGS LIST | MOUNT EXPRESSION )

  MOUNT FLAGS LIST = Comma separated list of MOUNT FLAGS.

  MOUNT FLAGS = ( 'ro' | 'rw' | 'nosuid' | 'suid' | 'nodev' | 'dev' |
                  'noexec' | 'exec' | 'sync' | 'async' | 'remount' |
		  'mand' | 'nomand' | 'dirsync' | 'noatime' | 'atime' |
		  'nodiratime' | 'diratime' | 'bind' | 'rbind' | 'move' |
		  'verbose' | 'silent' | 'loud' | 'acl' | 'noacl' |
		  'unbindable' | 'runbindable' | 'private' | 'rprivate' |
		  'slave' | 'rslave' | 'shared' | 'rshared' |
		  'relatime' | 'norelatime' | 'iversion' | 'noiversion' |
		  'strictatime' | 'nouser' | 'user' )

  MOUNT EXPRESSION = ( ALPHANUMERIC | AARE ) ...

  PIVOT ROOT RULE = [ QUALIFIERS ] pivot_root [ oldroot=OLD PUT FILEGLOB ]
                    [ NEW ROOT FILEGLOB ]

  SOURCE FILEGLOB = FILEGLOB

  MOUNTPOINT FILEGLOB = FILEGLOB

eg.
  mount,
  mount /dev/foo,
  mount options=ro /dev/foo -> /mnt/,
  mount options in (ro,atime) /dev/foo -> /mnt/,
  mount options=ro options=atime,

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
2017-09-22 13:00:57 -07:00
..
include apparmor: add mount mediation 2017-09-22 13:00:57 -07:00
.gitignore AppArmor: remove af_names.h from .gitignore 2012-09-01 08:35:34 -07:00
apparmorfs.c apparmor: add mount mediation 2017-09-22 13:00:57 -07:00
audit.c apparmor: switch from profiles to using labels on contexts 2017-06-10 17:11:38 -07:00
capability.c apparmor: move capability checks to using labels 2017-06-10 17:11:40 -07:00
context.c apparmor: switch from profiles to using labels on contexts 2017-06-10 17:11:38 -07:00
crypto.c apparmor: use SHASH_DESC_ON_STACK 2017-04-07 08:58:35 +10:00
domain.c apparmor: add mount mediation 2017-09-22 13:00:57 -07:00
file.c apparmor: put back designators in struct initialisers 2017-06-28 15:50:43 +10:00
ipc.c apparmor: add the ability to mediate signals 2017-09-22 13:00:57 -07:00
Kconfig apparmor: add debug assert AA_BUG and Kconfig to control debug info 2017-01-16 01:18:24 -08:00
label.c apparmor: Redundant condition: prev_ns. in [label.c:1498] 2017-09-22 13:00:57 -07:00
lib.c apparmor: switch from profiles to using labels on contexts 2017-06-10 17:11:38 -07:00
lsm.c apparmor: add mount mediation 2017-09-22 13:00:57 -07:00
Makefile apparmor: add mount mediation 2017-09-22 13:00:57 -07:00
match.c doc: ReSTify apparmor.txt 2017-05-18 10:32:38 -06:00
mount.c apparmor: add mount mediation 2017-09-22 13:00:57 -07:00
nulldfa.in apparmor: add a default null dfa 2017-01-16 01:18:34 -08:00
path.c apparmor: Move path lookup to using preallocated buffers 2017-06-08 11:29:34 -07:00
policy_ns.c apparmor: switch from profiles to using labels on contexts 2017-06-10 17:11:38 -07:00
policy_unpack.c apparmor: Fix logical error in verify_header() 2017-09-22 13:00:57 -07:00
policy.c apparmor: switch from profiles to using labels on contexts 2017-06-10 17:11:38 -07:00
procattr.c apparmor: switch getprocattr to using label_print fns() 2017-06-10 17:11:39 -07:00
resource.c apparmor: move resource checks to using labels 2017-06-10 17:11:40 -07:00
secid.c apparmor: rename sid to secid 2017-01-16 00:42:17 -08:00