File _service:tar_scm:backport-resolved-Don-t-omit-A... of Package systemd

File _service:tar_scm:backport-resolved-Don-t-omit-AD-bit-in-reply-if-DO-is-set-in-.patch of Package systemd (Revision 92b06b84c0445e4e6d1d412b716fdcc0)

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From 5421863a16f19ba6a85214bb17986d6015b298b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jack=20D=C3=A4hn?= <jack@jkdhn.me>
Date: Tue, 3 Aug 2021 08:07:05 +0200
Subject: [PATCH] resolved: Don't omit AD bit in reply if DO is set in the
 query

Set the AD bit in the response if the data is authenticated and AD or DO is set in the query, as suggested by section 5.8 of RFC6840.

Fixes #20332

(cherry picked from commit b553abd8aed0f6fbff9973882fb08c3aec1d9400)

Conflict:NA
Reference:https://github.com/systemd/systemd/commit/5421863a16f19ba6a85214bb17986d6015b298b3
---
 src/resolve/resolved-dns-stub.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/resolve/resolved-dns-stub.c b/src/resolve/resolved-dns-stub.c
index 5b9d32f001..49da916576 100644
--- a/src/resolve/resolved-dns-stub.c
+++ b/src/resolve/resolved-dns-stub.c
@@ -585,7 +585,7 @@ static int dns_stub_send_reply(
                         DNS_PACKET_RD(q->request_packet),
                         !!q->request_packet->opt,
                         edns0_do,
-                        DNS_PACKET_AD(q->request_packet) && dns_query_fully_authenticated(q),
+                        (DNS_PACKET_AD(q->request_packet) || DNS_PACKET_DO(q->request_packet)) && dns_query_fully_authenticated(q),
                         DNS_PACKET_CD(q->request_packet),
                         q->stub_listener_extra ? ADVERTISE_EXTRA_DATAGRAM_SIZE_MAX : ADVERTISE_DATAGRAM_SIZE_MAX,
                         dns_packet_has_nsid_request(q->request_packet) > 0 && !q->stub_listener_extra);
@@ -627,7 +627,7 @@ static int dns_stub_send_failure(
                         DNS_PACKET_RD(p),
                         !!p->opt,
                         DNS_PACKET_DO(p),
-                        DNS_PACKET_AD(p) && authenticated,
+                        (DNS_PACKET_AD(p) || DNS_PACKET_DO(p)) && authenticated,
                         DNS_PACKET_CD(p),
                         l ? ADVERTISE_EXTRA_DATAGRAM_SIZE_MAX : ADVERTISE_DATAGRAM_SIZE_MAX,
                         dns_packet_has_nsid_request(p) > 0 && !l);
-- 
2.33.0