apparmor.d/apparmor.d/frontend

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2019-2020 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/share/debconf/frontend
profile frontend @{exec_path} flags=(complain) {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/perl>
  include <abstractions/nameservice-strict>

  #capability sys_tty_config,

  @{exec_path} r,
  /{usr/,}bin/perl r,

  /{usr/,}bin/{,ba,da}sh rix,
  /{usr/,}bin/stty       rix,
  /{usr/,}bin/locale     rix,

  # debconf apps
  /{usr/,}bin/adequate                     rPx,
  /{usr/,}bin/debconf-apt-progress         rPx,
  /{usr/,}lib/tasksel/tasksel-debconf      rPx -> tasksel,
  /{usr/,}bin/linux-check-removal          rPx,
  /{usr/,}bin/ucf                          rPx,
  /{usr/,}sbin/pam-auth-update             rPx,
  /usr/share/debian-security-support/check-support-status.hook rPx,

  # Run the package maintainer's scripts
  # What to do with it? Maintainer scripts can use lots of tools. (#FIXME#)
  #/var/lib/dpkg/info/*.{config,templates} rPUx,
  #/var/lib/dpkg/info/*.{preinst,postinst} rPUx,
  #/var/lib/dpkg/info/*.{prerm,postrm}     rPUx,
  /var/lib/dpkg/info/*.control            r,
  #/var/lib/dpkg/tmp.ci/{config,templates} rPUx,
  #/var/lib/dpkg/tmp.ci/{preinst,postinst} rPUx,
  #/var/lib/dpkg/tmp.ci/{prerm,postrm}     rPUx,
  /var/lib/dpkg/tmp.ci/control            r,
  /var/lib/dpkg/info/*.{config,templates} rCx -> scripts,
  /var/lib/dpkg/info/*.{preinst,postinst} rCx -> scripts,
  /var/lib/dpkg/info/*.{prerm,postrm}     rCx -> scripts,
  /var/lib/dpkg/tmp.ci/{config,templates} rCx -> scripts,
  /var/lib/dpkg/tmp.ci/{preinst,postinst} rCx -> scripts,
  /var/lib/dpkg/tmp.ci/{prerm,postrm}     rCx -> scripts,

  # DKMS scipts
  # What to do with it? (#FIXME#)
  /{usr/,}lib/dkms/common.postinst        rPUx,
  /{usr/,}lib/dkms/dkms-*                 rPUx,
  /{usr/,}lib/dkms/dkms_*                 rPUx,

  /etc/debconf.conf r,
  /usr/share/debconf/{,**} r,
  owner /var/cache/debconf/* rwk,

  /etc/inputrc r,

  /etc/shadow r,

  # The following is needed when debconf uses GUI frontends.
  include <abstractions/gtk>
  include <abstractions/fonts>
  include <abstractions/fontconfig-cache-read>
  include <abstractions/freedesktop.org>
  capability dac_read_search,
  /{usr/,}bin/lsb_release rPx -> child-lsb_release,
  /{usr/,}bin/hostname    rPx,
  owner @{PROC}/@{pid}/mounts r,
  @{HOME}/.Xauthority r,

  # The following is needed when debconf uses dialog/whiptail frontend.
  /{usr/,}bin/whiptail    rPx,
  owner /tmp/file* w,


  profile scripts flags=(complain) {
    include <abstractions/base>
    include <abstractions/consoles>

    # What's this for? (#FIXME#)
    capability dac_read_search,

    /var/lib/dpkg/info/*.config             r,
    /var/lib/dpkg/info/*.{preinst,postinst} r,
    /var/lib/dpkg/info/*.{prerm,postrm}     r,
    /var/lib/dpkg/tmp.ci/config             r,
    /var/lib/dpkg/tmp.ci/{preinst,postinst} r,
    /var/lib/dpkg/tmp.ci/{prerm,postrm}     r,

    /               r,

    /{usr/,}bin/    r,
    /{usr/,}bin/*   rPUx,

    /{usr/,}sbin/   r,
    /{usr/,}sbin/*  rPUx,

    /{usr/,}lib/    r,
    /{usr/,}lib/**  rPUx,

    /usr/share/**   r,
    /usr/share/**   rPUx,

    /etc/           r,
    /etc/**         rw,
    /var/           r,
    /var/**         rw,
    @{sys}/         r,
    @{sys}/**/      r,
    @{run}/         r,
    @{run}/**       r,
          /tmp/     r,
    owner /tmp/**   rw,

  }

  include if exists <local/frontend>
}