From 68536f5ba1b37b1ab6008ab8842a4eeb676cc3e4 Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 7 Jul 2020 09:56:41 +0200
Subject: [PATCH] rec: Ignore cache-only for DSs retrieval

When the DSs are needed for validation, the initial RD flag should
not prevent us from going to the network.
---
 pdns/syncres.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pdns/syncres.cc b/pdns/syncres.cc
index 820efea01b..a96fdf620e 100644
--- a/pdns/syncres.cc
+++ b/pdns/syncres.cc
@@ -2062,7 +2062,9 @@ vState SyncRes::getDSRecords(const DNSName& zone, dsmap_t& ds, bool taOnly, unsi
   std::vector<DNSRecord> dsrecords;
 
   vState state = Indeterminate;
+  const bool oldCacheOnly = setCacheOnly(false);
   int rcode = doResolve(zone, QType(QType::DS), dsrecords, depth + 1, beenthere, state);
+  setCacheOnly(oldCacheOnly);
 
   if (rcode == RCode::NoError || (rcode == RCode::NXDomain && !bogusOnNXD)) {
     uint8_t bestDigestType = 0;
-- 
2.47.2