From 9018388c3f2d183f5110b57649d3239bd699291e Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 19 Dec 2018 17:56:50 +0100
Subject: [PATCH] RESP3: Allow any command in RESP3 Pub/Sub mode.

---
 src/server.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/server.c b/src/server.c
index c5b66788..d85e10d9 100644
--- a/src/server.c
+++ b/src/server.c
@@ -2681,8 +2681,9 @@ int processCommand(client *c) {
         return C_OK;
     }
 
-    /* Only allow SUBSCRIBE and UNSUBSCRIBE in the context of Pub/Sub */
-    if (c->flags & CLIENT_PUBSUB &&
+    /* Only allow a subset of commands in the context of Pub/Sub if the
+     * connection is in RESP2 mode. With RESP3 there are no limits. */
+    if ((c->flags & CLIENT_PUBSUB && c->resp == 2) &&
         c->cmd->proc != pingCommand &&
         c->cmd->proc != subscribeCommand &&
         c->cmd->proc != unsubscribeCommand &&