feat(profile): rewrite the dbus profiles.

Replace the old dbus-broker/dbus-daemon profiles stack by a new unified set of
profiles that does not depend-on the dbus implementation used.

Ensure that a given bus is fully managed by one unified profile:
- We need to allow far fewer rules than before (especially by splitting
  dbus-system and dbus-session).
- It has the side effect to fix some long-running issues regarding dbus start
  (see: #74, #80 & #235) while keeping all dbus server in the same place.

apparmor.d/groups/freedesktop/at-spi-bus

@@ -1,65 +0,0 @@
-# apparmor.d - Full set of apparmor profiles
-# Copyright (C) 2018-2022 Mikhail Morfikov
-# Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
-# SPDX-License-Identifier: GPL-2.0-only
-
-abi <abi/3.0>,
-
-include <tunables/global>
-
-@{exec_path} = @{lib}/{,at-spi2{,-core}/}at-spi-bus-launcher
-profile at-spi-bus @{exec_path} flags=(attach_disconnected) {
-  include <abstractions/base>
-  include <abstractions/bus-accessibility>
-  include <abstractions/bus-session>
-  include <abstractions/dconf-write>
-  include <abstractions/nameservice-strict>
-
-  network inet stream, # TODO: local only
-  network inet6 stream,
-  network inet dgram,
-  network inet6 dgram,
-  network netlink raw,
-
-  signal (receive) set=(term hup kill) peer=dbus-daemon,
-
-  dbus bus=accessibility,
-  dbus bus=session,
-
-  @{exec_path} mr,
-
-  @{bin}/dbus-broker-launch                    rix,
-  @{bin}/dbus-daemon                           rix,
-  @{bin}/dbus-broker                           rix,
-  @{lib}/{,at-spi2{,-core}/}at-spi2-registryd  rix,
-
-  /usr/share/dbus-1/accessibility-services/ r,
-  /usr/share/dbus-1/accessibility-services/org.a11y.atspi.Registry.service r,
-  /usr/share/dconf/profile/gdm r,
-  /usr/share/defaults/at-spi2/accessibility.conf r,
-  /usr/share/gdm/greeter-dconf-defaults r,
-  /usr/share/glib-2.0/schemas/gschemas.compiled r,
-
-  /var/lib/gdm{3,}/.config/dconf/user r,
-  /var/lib/gdm{3,}/greeter-dconf-defaults r,
-  /var/lib/lightdm/.Xauthority r,
-  /var/log/lightdm/seat@{int}-greeter.log w,
-
-  @{run}/systemd/users/@{uid} r,
-
-  @{sys}/kernel/security/apparmor/.access rw,
-  @{sys}/kernel/security/apparmor/features/dbus/mask r,
-  @{sys}/module/apparmor/parameters/enabled r,
-
-        @{PROC}/@{pid}/cmdline r,
-        @{PROC}/@{pid}/oom_score_adj rw,
-        @{PROC}/@{pids}/mounts r,
-        @{PROC}/1/cgroup r,
-  owner @{PROC}/@{pid}/attr/apparmor/current r,
-  owner @{PROC}/@{pid}/cgroup r,
-  owner @{PROC}/@{pid}/fd/ r,
-
-  owner /dev/tty@{int} rw,
-
-  include if exists <local/at-spi-bus>
-}

apparmor.d/groups/freedesktop/at-spi2-registryd

@@ -1,50 +0,0 @@
-# apparmor.d - Full set of apparmor profiles
-# Copyright (C) 2018-2021 Mikhail Morfikov
-# Copyright (C) 2022-2024 Alexandre Pujol <alexandre@pujol.io>
-# SPDX-License-Identifier: GPL-2.0-only
-
-abi <abi/3.0>,
-
-include <tunables/global>
-
-@{exec_path} = @{lib}/{,at-spi2{,-core}/}at-spi2-registryd
-profile at-spi2-registryd @{exec_path} flags=(attach_disconnected) {
-  include <abstractions/base>
-  include <abstractions/bus-accessibility>
-  include <abstractions/bus-session>
-  include <abstractions/bus/org.a11y>
-  include <abstractions/bus/org.gnome.SessionManager>
-  include <abstractions/nameservice-strict>
-  include <abstractions/X-strict>
-
-  signal (receive) set=(term hup kill) peer=@{systemd},
-  signal (receive) set=(term hup kill) peer=dbus-daemon,
-  signal (receive) set=(term hup kill) peer=gdm*,
-
-  # dbus: own bus=accessibility name=org.a11y.atspi.{R,r}egistry
-
-  dbus send bus=accessibility path=/org/a11y/atspi/accessible/root
-       interface=org.freedesktop.DBus.Properties
-       member=Set
-       peer=(name=:*),
-  dbus receive bus=accessibility path=/org/a11y/atspi/accessible/root
-       interface=org.a11y.atspi.Socket
-       member=Embed
-       peer=(name=:*),
-
-  dbus receive bus=accessibility path=/org/a11y/atspi/registry/deviceeventcontroller
-       interface=org.a11y.atspi.DeviceEventController
-       member={GetKeystrokeListeners,GetDeviceEventListeners}
-       peer=(name=:*),
-
-  dbus receive bus=session
-       interface=org.freedesktop.DBus.Introspectable
-       member=Introspect
-       peer=(name=:*, label=gnome-shell),
-
-  @{exec_path} mr,
-
-  owner /dev/tty@{int} rw,
-
-  include if exists <local/at-spi2-registryd>
-}