apparmor.d/profiles/check-support-status-hook

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2020-2021 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/share/debian-security-support/check-support-status.hook
profile check-support-status-hook @{exec_path} {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/nameservice-strict>

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

  /{usr/,}bin/           r,
  /{usr/,}bin/getent     rix,
  /{usr/,}bin/mkdir      rix,
  /{usr/,}bin/chown      rix,
  /{usr/,}bin/stat       rix,
  /{usr/,}bin/mktemp     rix,
  /{usr/,}bin/rm         rix,

  /{usr/,}sbin/adduser             rPx,
  /{usr/,}bin/check-support-status rPx,
  /{usr/,}bin/debconf-escape       rCx -> debconf-escape,
  /{usr/,}sbin/runuser             rCx -> runuser,

  # Think what to do about this (#FIXME#)
  /usr/share/debconf/frontend      rPx,
  #/usr/share/debconf/frontend     rCx -> frontend,

  /usr/share/debconf/confmodule r,

  # For shell pwd
  / r,
  /root/ r,

        /tmp/ r,
  owner /tmp/debian-security-support.postinst.*/ rw,
  owner /tmp/debian-security-support.postinst.*/output rw,

  /var/lib/ r,
  /var/lib/debian-security-support/ r,


  profile debconf-escape {
    include <abstractions/base>
    include <abstractions/consoles>
    include <abstractions/perl>

    /{usr/,}bin/debconf-escape r,
    /{usr/,}bin/perl r,

          /tmp/ r,
    owner /tmp/debian-security-support.postinst.*/output r,

  }

  profile frontend {
    include <abstractions/base>
    include <abstractions/consoles>
    include <abstractions/perl>
    include <abstractions/nameservice-strict>

    /usr/share/debconf/frontend r,
    /{usr/,}bin/perl r,

    /usr/share/debian-security-support/ r,
    /usr/share/debian-security-support/check-support-status.hook rPx,

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

    /etc/debconf.conf r,
    owner /var/cache/debconf/{config,passwords,templates}.dat{,-new,-old} rwk,

    # 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    rix,
    owner @{PROC}/@{pid}/mounts r,
    @{HOME}/.Xauthority r,

  }

  profile runuser {
    include <abstractions/base>
    include <abstractions/consoles>
    include <abstractions/nameservice-strict>
    include <abstractions/authentication>

    network netlink raw,

    # To remove the following errors:
    #  runuser: cannot set user id: Operation not permitted
    capability setuid,

    # To remove the following errrors:
    #  runuser: cannot set groups: Operation not permitted
    capability setgid,

    # To write records to the kernel auditing log.
    capability audit_write,

    /{usr/,}sbin/runuser mr,

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

    /{usr/,}bin/check-support-status rPx,

    owner @{PROC}/@{pids}/loginuid r,
          @{PROC}/1/limits r,

    /etc/security/limits.d/ r,

          /tmp/ r,
    owner /tmp/debian-security-support.postinst.*/output w,
  }

  include if exists <local/check-support-status-hook>
}