contrib/apparmor/docker-engine

@{DOCKER_GRAPH_PATH}=/var/lib/docker

profile /usr/bin/docker (attach_disconnected, complain) {
  # Prevent following links to these files during container setup.
  deny /etc/** mkl,
  deny /dev/** kl,
  deny /sys/** mkl,
  deny /proc/** mkl,

  mount -> @{DOCKER_GRAPH_PATH}/**,
  mount -> /,
  mount -> /proc/**,
  mount -> /sys/**,
  mount -> /run/docker/netns/**,

  umount,
  pivot_root,
  signal (receive) peer=@{profile_name},
  signal (receive) peer=unconfined,
  signal (send),
  ipc rw,
  network,
  capability,
  owner /** rw,
  /var/lib/docker/** rwl,

  # For non-root client use:
  /dev/urandom r,
  /run/docker.sock rw,
  /proc/** r,
  /sys/kernel/mm/hugepages/ r,
  /etc/localtime r,

  ptrace peer=@{profile_name},
  ptrace (read) peer=docker-default,
  deny ptrace (trace) peer=docker-default,
  deny ptrace peer=/usr/bin/docker///bin/ps,

  /usr/bin/docker pix,
  /sbin/xtables-multi rCx,
  /sbin/iptables rCx,
  /sbin/modprobe rCx,
  /sbin/auplink rCx,
  /bin/kmod rCx,
  /usr/bin/xz rCx,
  /bin/ps rCx,
  /bin/cat rCx,
  /sbin/zfs rCx,

  # Transitions
  change_profile -> docker-*,
  change_profile -> unconfined,

  profile /bin/cat (complain) {
    /etc/ld.so.cache r,
    /lib/** r,
    /dev/null rw,
    /proc r,
    /bin/cat mr,

    # For reading in 'docker stats':
    /proc/[0-9]*/net/dev r,
  }
  profile /bin/ps (complain) {
    /etc/ld.so.cache r,
    /etc/localtime r,
    /etc/passwd r,
    /etc/nsswitch.conf r,
    /lib/** r,
    /proc/[0-9]*/** r,
    /dev/null rw,
    /bin/ps mr,

    # We don't need ptrace so we'll deny and ignore the error.
    deny ptrace (read, trace),

    # Quiet dac_override denials
    deny capability dac_override,
    deny capability dac_read_search,
    deny capability sys_ptrace,

    /dev/tty r,
    /proc/stat r,
    /proc/cpuinfo r,
    /proc/meminfo r,
    /proc/uptime r,
    /sys/devices/system/cpu/online r,
    /proc/sys/kernel/pid_max r,
    /proc/ r,
    /proc/tty/drivers r,
  }
  profile /sbin/iptables (complain) {
    signal (receive) peer=/usr/bin/docker,
    capability net_admin,
  }
  profile /sbin/auplink flags=(attach_disconnected, complain) {
    signal (receive) peer=/usr/bin/docker,
    capability sys_admin,
    capability dac_override,

    @{DOCKER_GRAPH_PATH}/aufs/** rw,
    @{DOCKER_GRAPH_PATH}/tmp/** rw,
    # For user namespaces:
    @{DOCKER_GRAPH_PATH}/[0-9]*.[0-9]*/** rw,

    /sys/fs/aufs/** r,
    /lib/** r,
    /apparmor/.null r,
    /dev/null rw,
    /etc/ld.so.cache r,
    /sbin/auplink rm,
    /proc/fs/aufs/** rw,
    /proc/[0-9]*/mounts rw,
  }
  profile /sbin/modprobe /bin/kmod (complain) {
    signal (receive) peer=/usr/bin/docker,
    capability sys_module,
    /etc/ld.so.cache r,
    /lib/** r,
    /dev/null rw,
    /apparmor/.null rw,
    /sbin/modprobe rm,
    /bin/kmod rm,
    /proc/cmdline r,
    /sys/module/** r,
    /etc/modprobe.d{/,/**} r,
  }
  # xz works via pipes, so we do not need access to the filesystem.
  profile /usr/bin/xz (complain) {
    signal (receive) peer=/usr/bin/docker,
    /etc/ld.so.cache r,
    /lib/** r,
    /usr/bin/xz rm,
    deny /proc/** rw,
    deny /sys/** rw,
  }
  profile /sbin/xtables-multi (attach_disconnected, complain) {
    /etc/ld.so.cache r,
    /lib/** r,
    /sbin/xtables-multi rm,
    /apparmor/.null w,
    /dev/null rw,
    capability net_raw,
    capability net_admin,
    network raw,
  }
  profile /sbin/zfs (attach_disconnected, complain) {
    file,
    capability,
  }
}