From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 4 Mar 2024 17:48:16 +0000 (+0100)
Subject: resolved: use relaxed single label rules when proxying DNS queries
X-Git-Tag: v256-rc1~625^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=718324c5e03f9892b5b416dc99b84f4131953129;p=thirdparty%2Fsystemd.git

resolved: use relaxed single label rules when proxying DNS queries

When we use proxy mode when propagating DNS queries to upstream DNS
servers, let's use the relaxed single label rules. This has the benefit
that tools such "delv" work on the proxy stub 127.0.0.54.
---

diff --git a/src/resolve/resolved-dns-stub.c b/src/resolve/resolved-dns-stub.c
index 2a3c1edbba7..3748496cf96 100644
--- a/src/resolve/resolved-dns-stub.c
+++ b/src/resolve/resolved-dns-stub.c
@@ -970,7 +970,8 @@ static void dns_stub_process_query(Manager *m, DnsStubListenerExtra *l, DnsStrea
                                   SD_RESOLVED_NO_SEARCH|
                                   SD_RESOLVED_NO_VALIDATE|
                                   SD_RESOLVED_REQUIRE_PRIMARY|
-                                  SD_RESOLVED_CLAMP_TTL);
+                                  SD_RESOLVED_CLAMP_TTL|
+                                  SD_RESOLVED_RELAX_SINGLE_LABEL);
         else
                 r = dns_query_new(m, &q, p->question, p->question, NULL, 0,
                                   protocol_flags|