apparmor.d/profiles/dkms

# 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>

@{exec_path} = /{usr/,}sbin/dkms
profile dkms @{exec_path} {
  include <abstractions/base>
  include <abstractions/consoles>

  @{exec_path} r,
  /{usr/,}bin/{,ba,da}sh rix,

  /{usr/,}bin/head       rix,
  /{usr/,}bin/ls         rix,
  /{usr/,}bin/uname      rix,
  /{usr/,}bin/nproc      rix,
  /{usr/,}bin/mktemp     rix,
  /{usr/,}bin/cut        rix,
  /{usr/,}bin/rm         rix,
  /{usr/,}bin/sed        rix,
  /{usr/,}bin/readlink   rix,
  /{usr/,}bin/diff       rix,
  /{usr/,}bin/wc         rix,
  /{usr/,}bin/rmdir      rix,
  /{usr/,}bin/find       rix,
  /{usr/,}bin/{,e}grep   rix,
  /{usr/,}bin/gawk       rix,
  /{usr/,}bin/cp         rix,
  /{usr/,}bin/date       rix,
  /{usr/,}bin/ln         rix,
  /{usr/,}bin/mkdir      rix,
  /{usr/,}bin/mv         rix,
  /{usr/,}bin/cat        rix,
  /{usr/,}bin/echo       rix,
  /{usr/,}bin/pwd        rix,
  /{usr/,}bin/getconf    rix,
  /{usr/,}bin/xargs      rix,

  /{usr/,}bin/make                             rix,
  /{usr/,}bin/{,@{multiarch}-}*                rix,
  /{usr/,}lib/gcc/@{multiarch}/[0-9]*/*        rix,

  /{usr/,}bin/kmod        rCx -> kmod,
  /{usr/,}bin/lsb_release rPx -> child-lsb_release,

  /{usr/,}lib/linux-kbuild-*/scripts/** rix,
  capability setuid,
  capability setgid,
  /proc/sys/kernel/osrelease r,
  /{usr/,}lib/linux-kbuild-*/tools/objtool/objtool rix,

  / r,
  /{usr/,}lib/modules/*/updates/ rw,
  /{usr/,}lib/modules/*/updates/dkms/ rw,
  /{usr/,}lib/modules/*/updates/dkms/*.ko rw,

  /var/lib/dkms/ r,
  /var/lib/dkms/** rw,

  /etc/dkms/{,**} r,

  # For building module in /usr/src/ subdirs
  /usr/src/** rw,
  /usr/src/linux-headers-*/scripts/gcc-plugins/*.so mr,
  /usr/src/linux-headers-*/scripts/**              rix,
  /usr/src/linux-headers-*/tools/**                rix,
  /usr/include/**.h r,

  # For autosign modules
  owner /etc/kernel_key/sign-kernel.sh rix,
  owner /etc/kernel_key/*.key r,
  owner /etc/kernel_key/*.crt r,

  owner @{HOME}/ r,

  owner /tmp/cc* rw,
  owner /tmp/dkms.*/ rw,
  owner /tmp/tmp.* rw,
  owner /tmp/sh-thd.* rw,

  owner @{PROC}/@{pid}/fd/ r,


  profile kmod {
    include <abstractions/base>
    include <abstractions/consoles>

    /{usr/,}bin/kmod mr,

    @{PROC}/cmdline r,

    /{usr/,}lib/modules/*/modules.* rw,
    /var/lib/dkms/**/module/*.ko r,

    owner /boot/System.map-* r,

  }

  include if exists <local/dkms>
}