apparmor.d/profiles/apt-get

# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2019-2021 Mikhail Morfikov
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/3.0>,

include <tunables/global>

@{BUILD_DIR} = /media/debuilder/

@{exec_path} = /{usr/,}bin/apt-get
profile apt-get @{exec_path} flags=(complain) {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/apt-common>
  include <abstractions/nameservice-strict>

  # To remove the following errors:
  #  W: chmod 0700 of directory /var/lib/apt/lists/partial failed - SetupAPTPartialDirectory
  #     (1: Operation not permitted)
  #  W: chmod 0700 of directory /var/lib/apt/lists/auxfiles failed - SetupAPTPartialDirectory
  #     (1: Operation not permitted)
  #  W: chmod 0600 of file /var/lib/apt/lists/deb.debian.org_debian_dists_sid_InRelease failed -
  #     Item::QueueURI (1: Operation not permitted)
  capability fowner,

  # To remove the following errors:
  #  W: chown to _apt:root of directory /var/lib/apt/lists/partial failed - SetupAPTPartialDirectory
  #  (1: Operation not permitted)
  #  W: chown to _apt:root of directory /var/lib/apt/lists/auxfiles failed - SetupAPTPartialDirectory
  #  (1: Operation not permitted)
  capability chown,

  # The "_apt" user is created by the postinst script of the "apt" package. It's the owner of the
  # dirs "/var/cache/apt/archives/partial/" and "/var/lib/apt/lists/partial/" . The "_apt" user is
  # used by APT to download packages, package list, and other things using APT methods as an
  # unprivileged user/group (_apt/nogroup).
  #
  # To remove the following errors:
  #  E: setgroups 65534 failed - setgroups (1: Operation not permitted)
  #  E: setegid 65534 failed - setegid (1: Operation not permitted)
  #  E: seteuid 100 failed - seteuid (1: Operation not permitted)
  #  E: setgroups 0 failed - setgroups (1: Operation not permitted)
  capability setuid,
  capability setgid,

  # To remove the following errors:
  #  W: Problem unlinking the file /var/lib/apt/lists/partial/*_InRelease -
  #     PrepareFiles (13: Permission denied)
  #  E: Unable to read /var/lib/apt/lists/partial/ - open (13: Permission denied)
  capability dac_read_search,

  # To remove the following errors:
  #  E: Failed to fetch https://**.deb  rename failed, Permission denied
  #     (/var/cache/apt/archives/partial/*.deb -> /var/cache/apt/archives/*.deb).
  #  E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
  capability dac_override,

  # Needed? (##FIXME##)
  capability kill,
  capability fsetid,
  audit deny capability net_admin,

  signal (send) peer=apt-methods-*,

  @{exec_path} mr,

  /{usr/,}bin/{,ba,da}sh         rix,
  /{usr/,}bin/test               rix,
  /{usr/,}bin/{,e}grep           rix,

  /{usr/,}bin/ps                 rPx,
  /{usr/,}bin/dpkg               rPx,
  /{usr/,}bin/apt-listbugs       rPx,
  /{usr/,}bin/apt-listchanges    rPx,
  /{usr/,}bin/apt-show-versions  rPx,
  /{usr/,}sbin/dpkg-preconfigure rPx,
  /{usr/,}bin/debtags            rPx,
  /{usr/,}sbin/localepurge       rPx,
  /{usr/,}bin/appstreamcli       rPx,
  /{usr/,}bin/adequate           rPx,
  /{usr/,}sbin/update-command-not-found      rPx,
  /usr/share/command-not-found/cnf-update-db rPx,
  /{usr/,}bin/dpkg-source        rcx -> dpkg-source,

  # Methods to use to download packages from the net
  /{usr/,}lib/apt/methods/*      rPx,

  /var/lib/apt/lists/** rw,
  /var/lib/apt/lists/lock rwk,
  /var/lib/apt/extended_states{,.*} rw,

  /var/log/apt/eipp.log.xz w,
  /var/log/apt/{term,history}.log w,

  # For building the source after the download process is finished (apt-get source --compile)
  # (#FIXME#)
  /{usr/,}bin/dpkg-buildpackage rPUx,

  # For changelogs
        /tmp/apt-changelog-*/ w,
  owner /tmp/apt-changelog-*/.apt-acquire-privs-test.* rw,
        /tmp/apt-changelog-*/*.changelog w,
  /{usr/,}bin/sensible-pager    rCx -> pager,

  /var/lib/dpkg/** r,
  /var/lib/dpkg/lock{,-frontend} rwk,

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

  /dev/ptmx rw,

  /var/lib/dbus/machine-id r,
  /etc/machine-id r,

        /tmp/ r,
  owner /tmp/apt-tmp-index.* rw,
  owner /tmp/apt-dpkg-install-*/ rw,
  owner /tmp/apt-dpkg-install-*/[0-9]*-*.deb w,

  /var/cache/apt/ r,
  /var/cache/apt/** rwk,

  # For package building
  @{BUILD_DIR}/** rwkl -> @{BUILD_DIR}/**,

  # file_inherit
  owner /var/log/cron-apt/temp w,


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

    capability dac_read_search,

    /{usr/,}bin/                r,
    /{usr/,}bin/sensible-pager mr,
    /{usr/,}bin/{,ba,da}sh    rix,

    /{usr/,}bin/which         rix,
    /{usr/,}bin/less          rix,

    owner @{HOME}/.less* rw,

    owner /tmp/apt-changelog-*/ r,
    owner /tmp/apt-changelog-*/*.changelog r,

    # For shell pwd
    /root/ r,

  }

  profile dpkg-source flags=(complain) {
    include <abstractions/base>
    include <abstractions/nameservice-strict>
    include <abstractions/perl>

    /{usr/,}bin/dpkg-source mr,
    /{usr/,}bin/perl r,

    /{usr/,}bin/tar     rix,
    /{usr/,}bin/bunzip2 rix,
    /{usr/,}bin/gunzip  rix,
    /{usr/,}bin/gzip    rix,
    /{usr/,}bin/xz      rix,
    /{usr/,}bin/rm      rix,
    /{usr/,}bin/chmod   rix,

    /{usr/,}bin/patch   rix,

    /etc/dpkg/origins/debian r,

               owner @{BUILD_DIR}/** rwkl -> @{BUILD_DIR}/**,
               owner @{HOME}/**      rwkl -> @{HOME}/**,
    audit deny owner @{HOME}/.*     mrwkl,
    audit deny owner @{HOME}/.*/     rw,
    audit deny owner @{HOME}/.*/**  mrwkl,

  }

  include if exists <local/apt-get>
}