From 132ebb8f2dbe222db0c4d025c131bb3e525939e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Chmielowski?= <pawel@process-one.net>
Date: Wed, 10 Nov 2021 17:00:42 +0100
Subject: [PATCH] Fix exception in mucsub {un}subscription events multicast
 handler

While those event are wrapped in mucsub envelope they doesn't
contain regular messages that require updating 'to' attribute,
so don't process in that same way as events with wrapped
message in them.
---
 src/mod_muc_room.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mod_muc_room.erl b/src/mod_muc_room.erl
index a94b7be07..e8b0d1bce 100644
--- a/src/mod_muc_room.erl
+++ b/src/mod_muc_room.erl
@@ -5097,7 +5097,7 @@ send_subscriptions_change_notifications(From, Nick, Type, State) ->
 			id = p1_rand:get_string(),
 			sub_els = [Payload1]}]}}]},
 	ejabberd_router_multicast:route_multicast(State#state.jid, State#state.server_host,
-						  WJ, Packet1, true);
+						  WJ, Packet1, false);
 	true -> ok
     end,
     if WN /= [] ->
@@ -5113,7 +5113,7 @@ send_subscriptions_change_notifications(From, Nick, Type, State) ->
 			id = p1_rand:get_string(),
 			sub_els = [Payload2]}]}}]},
 	ejabberd_router_multicast:route_multicast(State#state.jid, State#state.server_host,
-					       WN, Packet2, true);
+					       WN, Packet2, false);
 	true -> ok
     end.