From e294af5881503600004e53ad49f8c1adb51b5de1 Mon Sep 17 00:00:00 2001
From: Kees Monshouwer <mind04@monshouwer.org>
Date: Sat, 8 Jan 2022 00:29:38 +0100
Subject: [PATCH] auth: lmdb, check if the lookup name is part of the zone

---
 modules/lmdbbackend/lmdbbackend.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index 2b84cded11..7d39910988 100644
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -727,6 +727,9 @@ void LMDBBackend::lookup(const QType& type, const DNSName& qdomain, int zoneId,
   }
 
   DNSName relqname = qdomain.makeRelative(hunt);
+  if (relqname.empty()) {
+    return;
+  }
   // cout<<"get will look for "<<relqname<< " in zone "<<hunt<<" with id "<<zoneId<<" and type "<<type.toString()<<endl;
   d_rotxn = getRecordsROTransaction(zoneId, d_rwtxn);
 
-- 
2.47.2