From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 21 Apr 2026 07:30:54 +0000 (+0200)
Subject: dnsdist: Be more consistent when processing DoH3 headers
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78cc882e6ddbb548745f7713cc461a3b62b5e207;p=thirdparty%2Fpdns.git

dnsdist: Be more consistent when processing DoH3 headers

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

diff --git a/pdns/dnsdistdist/doh3.cc b/pdns/dnsdistdist/doh3.cc
index e0b1c78099..d24249955f 100644
--- a/pdns/dnsdistdist/doh3.cc
+++ b/pdns/dnsdistdist/doh3.cc
@@ -868,7 +868,8 @@ static void processH3DataEvent(ClientState& clientState, DOH3Frontend& frontend,
         return;
       }
     }
-    if (headers.count("content-type") == 0 || headers.at("content-type") != "application/dns-message") {
+    auto contentTypeHeaderIt = headers.find("content-type");
+    if (contentTypeHeaderIt == headers.end() || contentTypeHeaderIt->second != "application/dns-message") {
       handleImmediateError("Unsupported content-type");
       return;
     }