From 64fd61cffce6dce4c7e06f0b6fa7b6d50c442f7d Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Thu, 29 Dec 2016 17:57:53 +0000
Subject: [PATCH] Don't process Beast mode A/C messages if mode A/C is
 disabled.

---
 net_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net_io.c b/net_io.c
index 4d2d88e..8d97272 100644
--- a/net_io.c
+++ b/net_io.c
@@ -875,7 +875,7 @@ static int decodeBinMessage(struct client *c, char *p) {
 
     ch = *p++; /// Get the message type
 
-    if (ch == '1') {
+    if (ch == '1' && Modes.mode_ac) {
         msgLen = MODEAC_MSG_BYTES;
     } else if (ch == '2') {
         msgLen = MODES_SHORT_MSG_BYTES;