firewall/live-log, when changing the optimisation mode the line numbe…

…rs don't seem to add up any more. Previously we used to parse the pf config to show our rules, it looks safer to use the actual running config using -vvPsr

ref https://forum.opnsense.org/index.php?topic=13308.0

(cherry picked from commit 1d1ce84)

src/opnsense/scripts/filter/read_log.py

@@ -73,7 +73,7 @@ def fetch_rules_descriptions():
     result = dict()
     if os.path.isfile('/tmp/rules.debug'):
         with tempfile.NamedTemporaryFile() as output_stream:
-            subprocess.call(['/sbin/pfctl', '-vvPnf', '/tmp/rules.debug'], stdout=output_stream, stderr=open(os.devnull, 'wb'))
+            subprocess.call(['/sbin/pfctl', '-vvPsr'], stdout=output_stream, stderr=open(os.devnull, 'wb'))
             output_stream.seek(0)
             for line in output_stream.read().strip().split('\n'):
                 if line.startswith('@'):