From 75b0a1a2a1e0ae7fb7c2f761542085c826c81066 Mon Sep 17 00:00:00 2001
From: Michael Stegeman <michael@stegeman.me>
Date: Wed, 23 May 2018 07:29:29 -0600
Subject: [PATCH] Make responses authoritative.

Section 18.4 of RFC6762 dictates that the AA bit MUST be set.
---
 src/fsm.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/fsm.rs b/src/fsm.rs
index b196454..ee154f1 100644
--- a/src/fsm.rs
+++ b/src/fsm.rs
@@ -94,9 +94,9 @@ impl<AF: AddressFamily> FSM<AF> {
             return;
         }
 
-        let mut unicast_builder = dns_parser::Builder::new_response(packet.header.id, false)
+        let mut unicast_builder = dns_parser::Builder::new_response(packet.header.id, false, true)
             .move_to::<dns_parser::Answers>();
-        let mut multicast_builder = dns_parser::Builder::new_response(packet.header.id, false)
+        let mut multicast_builder = dns_parser::Builder::new_response(packet.header.id, false, true)
             .move_to::<dns_parser::Answers>();
         unicast_builder.set_max_size(None);
         multicast_builder.set_max_size(None);
@@ -197,7 +197,7 @@ impl<AF: AddressFamily> FSM<AF> {
 
     fn send_unsolicited(&mut self, svc: &ServiceData, ttl: u32, include_ip: bool) {
         let mut builder =
-            dns_parser::Builder::new_response(0, false).move_to::<dns_parser::Answers>();
+            dns_parser::Builder::new_response(0, false, true).move_to::<dns_parser::Answers>();
         builder.set_max_size(None);
 
         let services = self.services.read().unwrap();