From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Mon, 20 Apr 2026 09:09:49 +0000 (+0200)
Subject: rec: Use `DNSName::trimToLabels` as suggested by Miod (thanks!)
X-Git-Tag: auth-5.1.0-beta1~36^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6f2176b478bc50148b3ba245dffdfed8b06b47b8;p=thirdparty%2Fpdns.git

rec: Use `DNSName::trimToLabels` as suggested by Miod (thanks!)

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>
---

diff --git a/pdns/validate.cc b/pdns/validate.cc
index 6af443acc1..aec3b425d9 100644
--- a/pdns/validate.cc
+++ b/pdns/validate.cc
@@ -581,10 +581,7 @@ dState getDenial(const cspmap_t& validrrsets, const DNSName& qname, const uint16
              and can prevent the wildcard from applying.
           */
           nameToDeny = qname;
-          const auto chopCount = nameToDeny.countLabels() - wildcardLabelsCount - 1;
-          for (size_t idx = 0; idx < chopCount; ++idx) {
-            nameToDeny.chopOff();
-          }
+          nameToDeny.trimToLabels(wildcardLabelsCount + 1);
         }
         else {
           nameToDeny = qname;