From b42f9eb31c7eae4059fa6a61fe56216c1409de93 Mon Sep 17 00:00:00 2001
From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Thu, 1 Jul 2021 22:33:48 +0200
Subject: [PATCH] emit error when dot-to-auth-names is set without DoT support

---
 pdns/pdns_recursor.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pdns/pdns_recursor.cc b/pdns/pdns_recursor.cc
index 457019077b..8ec44fff7e 100644
--- a/pdns/pdns_recursor.cc
+++ b/pdns/pdns_recursor.cc
@@ -5074,6 +5074,11 @@ static int serviceMain(int argc, char*argv[])
     SuffixMatchNode dotauthNames;
     vector<string> parts;
     stringtok(parts, ::arg()["dot-to-auth-names"], " ,");
+#ifndef HAVE_DNS_OVER_TLS
+    if (parts.size()) {
+      g_log << Logger::Error << "dot-to-auth-names setting contains names, but Recursor was built without DNS over TLS support. Setting will be ignored."<<endl;
+    }
+#endif
     for (const auto &p : parts) {
       dotauthNames.add(DNSName(p));
     }
-- 
2.47.2