From d9b0dad4fe3c5eecf32e383e314118d08fdac27c Mon Sep 17 00:00:00 2001
From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Tue, 27 Aug 2019 20:36:13 +0200
Subject: [PATCH] pdnsutil: don't lowercase TXT in comparisons

---
 pdns/pdnsutil.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pdns/pdnsutil.cc b/pdns/pdnsutil.cc
index aaa73d0f60..4adcd8c800 100644
--- a/pdns/pdnsutil.cc
+++ b/pdns/pdnsutil.cc
@@ -391,12 +391,14 @@ int checkZone(DNSSECKeeper &dk, UeberBackend &B, const DNSName& zone, const vect
 
     content.str("");
     content<<rr.qname<<" "<<rr.qtype.getName()<<" "<<rr.content;
-    if (recordcontents.count(toLower(content.str()))) {
+    string contentstr = content.str();
+    if (rr.qtype.getCode() != QType::TXT) contentstr=toLower(contentstr);
+    if (recordcontents.count(contentstr)) {
       cout<<"[Error] Duplicate record found in rrset: '"<<rr.qname<<" IN "<<rr.qtype.getName()<<" "<<rr.content<<"'"<<endl;
       numerrors++;
       continue;
     } else
-      recordcontents.insert(toLower(content.str()));
+      recordcontents.insert(contentstr);
 
     content.str("");
     content<<rr.qname<<" "<<rr.qtype.getName();
-- 
2.47.2