feat(profiles): add chronyd.

apparmor.d/profiles-a-f/chronyd

@@ -0,0 +1,37 @@
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2023 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+abi <abi/3.0>,
+
+include <tunables/global>
+
+@{exec_path} = /{usr/,}{s,}bin/chronyd
+profile chronyd @{exec_path} flags=(attach_disconnected) {
+  include <abstractions/base>
+  include <abstractions/nameservice-strict>
+
+  capability dac_override,
+  capability dac_read_search,
+  capability net_bind_service,
+  capability setgid,
+  capability setuid,
+  capability sys_time,
+
+  network inet dgram,
+  network inet6 dgram,
+  network netlink raw,
+
+  @{exec_path} mr,
+
+  /etc/chrony.conf r,
+  /etc/chrony.d/{,*} r,
+
+  /var/lib/chrony/drift* rw,
+
+  @{run}/chrony-dhcp/ r,
+  @{run}/chrony/chronyd.pid rw,
+  @{run}/chrony/chronyd.sock rw,
+
+  include if exists <local/chronyd>
+}