refactor: move child profiles into children group.

apparmor.d/groups/children/child-dpkg

@@ -0,0 +1,43 @@
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2019-2021 Mikhail Morfikov
+# SPDX-License-Identifier: GPL-2.0-only
+
+# Note: This profile does not specify an attachment path because it is
+# intended to be used only via "Px -> child-dpkg" exec transitions
+# from other profiles. 
+
+# Note: This profile does not specify an attachment path because it is
+# intended to be used only via "Px -> child-dpkg" exec transitions from
+# other profiles. We want to confine the dpkg(1) utility when it
+# is invoked from other confined applications, but not when it is used
+# in regular (unconfined) shell scripts or run directly by the user.
+
+abi <abi/3.0>,
+
+include <tunables/global>
+
+# Do not attach to /{usr/,}bin/dpkg by default
+profile child-dpkg {
+  include <abstractions/base>
+  include <abstractions/consoles>
+
+  # Needed?
+  deny capability setgid,
+
+  /{usr/,}bin/dpkg mr,
+
+  # Do not strip env to avoid errors like the following:
+  #  ERROR: ld.so: object 'libfakeroot-sysv.so' from LD_PRELOAD cannot be preloaded (cannot open
+  #  shared object file): ignored.
+  /{usr/,}bin/dpkg-query rpx,
+
+  /etc/dpkg/dpkg.cfg.d/{,*} r,
+  /etc/dpkg/dpkg.cfg r,
+
+  /var/lib/dpkg/** r,
+
+  # file_inherit
+  /tmp/#[0-9]*[0-9] rw,
+
+  include if exists <local/child-dpkg>
+}

apparmor.d/groups/children/child-dpkg-divert

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+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2019-2021 Mikhail Morfikov
+# SPDX-License-Identifier: GPL-2.0-only
+
+# Note: This profile does not specify an attachment path because it is
+# intended to be used only via "Px -> child-dpkg-divert" exec transitions
+# from other profiles. We want to confine the dpkg-divert(1) utility when
+# it is invoked from other confined applications, but not when it is used
+# in regular (unconfined) shell scripts or run directly by the user.
+
+abi <abi/3.0>,
+
+include <tunables/global>
+
+# Do not attach to /{usr/,}bin/dpkg-divert by default
+profile child-dpkg-divert {
+  include <abstractions/base>
+
+  /{usr/,}bin/dpkg-divert mr,
+
+  /var/lib/dpkg/arch r,
+  /var/lib/dpkg/status r,
+  /var/lib/dpkg/updates/ r,
+  /var/lib/dpkg/triggers/File r,
+  /var/lib/dpkg/triggers/Unincorp r,
+  /var/lib/dpkg/diversions r,
+
+  # file_inherit
+  /tmp/#[0-9]*[0-9] rw,
+
+  include if exists <local/child-dpkg-divert>
+}