fix: incorrect swanctl parsing.

debian-package/debian/changelog

@@ -1,3 +1,10 @@
+vpn-router (0.4.3-1) unstable; urgency=medium
+
+  * swanctl output with more closing than opening lines is read as not
+    available instead of failing the request.
+
+ -- Slawomir Koszewski <slawek@koszewscy.waw.pl>  Fri, 23 Oct 2026 22:00:00 +0200
+
 vpn-router (0.4.2-1) unstable; urgency=medium
 
   * /config gives the IPsec connections and SAs as objects, read from

debian-package/src/usr/lib/vpn-router/web

@@ -91,6 +91,7 @@ def swanctl(command):
     whose value may contain spaces. Every "... event {" section at the top holds one
     connection or SA; each becomes an entry with its name under "name". The closing
     "... reply {" section is left out. Values stay strings, as swanctl prints them.
+    Output with more closing than opening lines gives None.
     """
     result = run('swanctl', command, '--pretty')
     if result is None or result.returncode != 0:
@@ -102,6 +103,8 @@ def swanctl(command):
         if not line:
             continue
         if line in ('}', ']'):
+            if not stack:
+                return None
             stack.pop()
         elif not stack:
             section = {}