From 3dbe9c3972928a4cffa6c6bf8b8ad8bb0437fbfe Mon Sep 17 00:00:00 2001
From: 3np <3np@example.com>
Date: Sun, 6 Jul 2025 03:12:52 +0000
Subject: [PATCH] fix(qubes-setup-dnat-to-ns): handle null dns dbus response as
 error

python typings indicate that resolve1.Get may return None.

Handle this possibility as failure, falling back to resolv.conf
---
 network/qubes-setup-dnat-to-ns | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/network/qubes-setup-dnat-to-ns b/network/qubes-setup-dnat-to-ns
index 62fb6e7de..aba447c77 100755
--- a/network/qubes-setup-dnat-to-ns
+++ b/network/qubes-setup-dnat-to-ns
@@ -60,6 +60,9 @@ def get_dns_resolved():
         dns = resolve1.Get('org.freedesktop.resolve1.Manager',
                            'DNS',
                            dbus_interface='org.freedesktop.DBus.Properties')
+        if dns is None:
+            return get_dns_resolv_conf()
+
     except dbus.exceptions.DBusException as s:
         error = s.get_dbus_name()
         if error in (