fix(profiles): fix slow startup of gnome

at-spi-bus-launcher  starts the accessibility bus.
We need to ensure all buses are initally started by the same profile,
otherwise  the accessibility fail to start.

See #74, #80 & #235

apparmor.d/groups/bus/dbus-daemon

@@ -14,6 +14,7 @@ profile dbus-daemon @{exec_path} flags=(attach_disconnected) {
   include <abstractions/dbus-accessibility>
   include <abstractions/dbus-session>
   include <abstractions/dbus>
+  include <abstractions/dconf-write>
   include <abstractions/nameservice-strict>
 
   capability audit_write,
@@ -41,7 +42,7 @@ profile dbus-daemon @{exec_path} flags=(attach_disconnected) {
   @{bin}/ r,
 
   @{bin}/[a-z0-9]*                                                       rPUx,
-  @{lib}/{,at-spi2{,-core}/}at-spi2-registryd                             rPx,
+  @{lib}/{,at-spi2{,-core}/}at-spi-bus-launcher                           rix, # See #74, #80 & #235
   @{lib}/@{multiarch}/tumbler-1/tumblerd                                 rPUx,
   @{lib}/@{multiarch}/xfce[0-9]/xfconf/xfconfd                            rPx,
   @{lib}/*                                                               rPUx,
@@ -64,11 +65,16 @@ profile dbus-daemon @{exec_path} flags=(attach_disconnected) {
   /etc/dbus-1/{,**} r,
 
   /usr/share/dbus-1/{,**} r,
+  /usr/share/dconf/profile/gdm r,
   /usr/share/defaults/**.conf r,
+  /usr/share/gdm/greeter-dconf-defaults r,
+  /usr/share/glib-2.0/schemas/gschemas.compiled r,
 
   # Extra rules for GDM 
+  /var/lib/gdm{3,}/.config/dconf/user r,
   /var/lib/gdm{3,}/.local/share/icc/ r,
   /var/lib/gdm{3,}/.local/share/icc/edid-*.icc r,
+  /var/lib/gdm{3,}/greeter-dconf-defaults r,
 
   # Extra rules for Flatpak
   @{system_share_dirs}/dbus-1/{,**} r,
@@ -87,6 +93,7 @@ profile dbus-daemon @{exec_path} flags=(attach_disconnected) {
         @{run}/systemd/users/@{uid} r,
   owner @{run}/user/@{uid}/dbus-1/ rw,
   owner @{run}/user/@{uid}/dbus-1/services/ rw,
+  owner @{run}/user/@{uid}/gdm/Xauthority r,
   owner @{run}/user/@{uid}/systemd/notify w,
 
   @{sys}/kernel/security/apparmor/.access rw,
@@ -94,6 +101,7 @@ profile dbus-daemon @{exec_path} flags=(attach_disconnected) {
   @{sys}/module/apparmor/parameters/enabled r,
 
         @{PROC}/@{pids}/attr/apparmor/current r,
+        @{PROC}/@{pids}/cgroup r,
         @{PROC}/@{pids}/cmdline r,
         @{PROC}/@{pids}/mounts r,
         @{PROC}/@{pids}/oom_score_adj rw,

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

@@ -1,6 +1,6 @@
 # apparmor.d - Full set of apparmor profiles
 # Copyright (C) 2018-2022 Mikhail Morfikov
-# Copyright (C) 2021-2022 Alexandre Pujol <alexandre@pujol.io>
+# Copyright (C) 2021-2023 Alexandre Pujol <alexandre@pujol.io>
 # SPDX-License-Identifier: GPL-2.0-only
 
 abi <abi/3.0>,
@@ -10,52 +10,55 @@ include <tunables/global>
 @{exec_path} = @{lib}/{,at-spi2{,-core}/}at-spi-bus-launcher
 profile at-spi-bus-launcher @{exec_path} flags=(attach_disconnected) {
   include <abstractions/base>
+  include <abstractions/dbus-accessibility>
   include <abstractions/dbus-session>
   include <abstractions/dconf-write>
   include <abstractions/nameservice-strict>
+  include <abstractions/X-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,
   signal (receive) set=(term hup kill) peer=gdm*,
   signal (receive) set=(term hup kill) peer=gnome-session-binary,
-  signal (send)    set=(term hup kill) peer=dbus-daemon,
-
-  unix (send, receive, connect) type=stream peer=(addr=@/tmp/.X11-unix/*, label=xorg),
-
-  network inet  stream,
-  network inet6 stream,
-  network inet  dgram,
-  network inet6 dgram,
-  network netlink raw,
 
   @{exec_path} mr,
 
-  @{bin}/dbus-daemon         rPx,
   @{bin}/dbus-broker-launch rPUx,
+  @{bin}/dbus-daemon         rix,
+  @{lib}/at-spi2-registryd   rPx,
 
-  /usr/share/gdm/greeter-dconf-defaults r,
+  /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,
 
-  owner @{HOME}/.Xauthority r,
-  owner @{HOME}/.xsession-errors w,
-
-  owner /tmp/runtime-*/xauth_@{rand6} r,
-  owner /tmp/xauth_@{rand6} r,
-
-  owner @{run}/user/@{uid}/gdm/Xauthority r,
-  owner @{run}/user/@{uid}/xauth_@{rand6} r,
-
-  /var/lib/lightdm/.Xauthority 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[0-9]*-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 r,
+        @{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,
-        @{PROC}/1/cgroup r,
 
-  owner /dev/tty@{int} rw,  # file_inherit
+  owner /dev/tty@{int} rw,
 
   include if exists <local/at-spi-bus-launcher>
 }