From 823819c982d1d620a5662bbdb020a96cfb4a48ef Mon Sep 17 00:00:00 2001
From: AJ ONeal <aj@daplie.com>
Date: Wed, 21 Feb 2018 11:38:24 -0700
Subject: [PATCH] handle bad packet more correctly

---
 lib/tcpd.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/tcpd.js b/lib/tcpd.js
index 2c4b4e9..2afa8a5 100644
--- a/lib/tcpd.js
+++ b/lib/tcpd.js
@@ -27,9 +27,10 @@ module.exports.create = function (cli, dnsd) {
 
         // TODO pad two bytes for lengths
         dnsd.onMessage(nb, function (err, newAb, dbgmsg) {
-          var lenbuf = Buffer.from([ newAb.length >> 8, newAb.length & 255 ]);
           // TODO XXX generate legit error packet
           if (err) { console.error("Error", err); c.end(); return; }
+
+          var lenbuf = Buffer.from([ newAb.length >> 8, newAb.length & 255 ]);
           console.log('TCP ' + dbgmsg);
 
           c.write(lenbuf);