apparmor.d/profiles/ip

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2019-2021 Mikhail Morfikov
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of version 2 of the GNU General Public
#    License published by the Free Software Foundation.
#
# ------------------------------------------------------------------

abi <abi/3.0>,

include <tunables/global>

# When "ip netns" is issued, the following error will be printed:
#  "Failed name lookup - disconnected path" error=-13 profile="ip" name="".
@{exec_path} = /{usr/,}bin/ip
profile ip @{exec_path} flags=(attach_disconnected) {
  include <abstractions/base>

  # To be able to manage network interfaces.
  capability net_admin,

  # Needed?
  #capability sys_admin,
  audit deny capability sys_module,

  network netlink raw,

  @{exec_path} mrix,

  mount options=(rw, rshared)   -> /{var/,}run/netns/,
  mount options=(rw, rslave)    -> /,
  mount options=(rw, bind)    / -> /{var/,}run/netns/*,
  mount options=(rw, bind)    /etc/netns/firefox/resolv.conf -> /etc/resolv.conf,
  mount fstype=sysfs            -> /sys/,

  umount @{run}/netns/*,
  umount /sys/,

  /etc/iproute2/{,**} r,

  / r,
  owner @{run}/netns/ rw,
        @{run}/netns/* rw,
  /etc/netns/*/ r,

  owner @{PROC}/@{pid}/cgroup r,
  owner @{PROC}/@{pid}/net/dev_mcast r,
  owner @{PROC}/@{pid}/net/igmp{,6} r,
  owner @{PROC}/sys/net/ipv{4,6}/route/flush w,

  include if exists <local/ip>
}