From 0ffa0511fb70b520027325fd8288d422884e8f48 Mon Sep 17 00:00:00 2001
From: Wiebe Cazemier <wiebe@halfgaar.net>
Date: Sat, 23 Apr 2022 13:36:30 +0200
Subject: [PATCH] Subscription identifiers in subscribe is protocol error

---
 mqttpacket.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mqttpacket.cpp b/mqttpacket.cpp
index d85b211..82b29b3 100644
--- a/mqttpacket.cpp
+++ b/mqttpacket.cpp
@@ -730,8 +730,7 @@ void MqttPacket::handleSubscribe()
             switch (prop)
             {
             case Mqtt5Properties::SubscriptionIdentifier:
-                decodeVariableByteIntAtPos();
-                break;
+                throw ProtocolError("Subscription identifiers not supported", ReasonCodes::ProtocolError);
             case Mqtt5Properties::UserProperty:
                 readUserProperty();
                 break;
--
libgit2 0.21.4