make local connection secured

libs/hbb_common

@@ -1 +1 @@
-Subproject commit 99487187a6b25380b9a412f040f43f319ece7545
+Subproject commit 1b57a4f786fc1544d7ecbbc1d8c52fb7f63d002c

src/rendezvous_server.rs

@@ -583,8 +583,13 @@ impl RendezvousServer {
             &addr
         );
         let mut msg_out = RendezvousMessage::new();
+        let pk = match self.pm.get(&la.id).await {
+            Some(peer) => peer.pk,
+            _ => Vec::new(),
+        };
         let mut p = PunchHoleResponse {
             socket_addr: la.local_addr.clone(),
+            pk,
             relay_server: la.relay_server,
             ..Default::default()
         };