fix: remote access CA files permissions

From OpenWrt 21.02 on, mosquitto runs under it's own user (mosquitto), but CA files are created by foris-controller with owner root.

Mosquitto fails with following error:

Error: Unable to load server key file "/etc/ssl/ca/remote/01.key". Check keyfile.

Which in turn breaks other services using mosquitto as message bus. For example: foris-controller & reforis

This oneshot fix should set correct file permissions in case there already is remote access CA on the router.

Foris-controller should handle permissions for new CA created from scratch.

updater/fix/files/remote-access-ca-permissions

+#!/bin/sh
+set -eu
+
+if [ -d /etc/ssl/ca/remote ]; then
+	chown mosquitto:mosquitto /etc/ssl/ca/remote/*
+	/etc/init.d/fosquitto restart
+	/etc/init.d/foris-controller restart
+fi