From 1fa5195b2f81be3eb8639f87d9d3dafc3c2eebb1 Mon Sep 17 00:00:00 2001
From: "fox.cpp" <fox.cpp@disroot.org>
Date: Fri, 5 Jun 2020 12:34:29 +0300
Subject: [PATCH] Fix handling of empty response to SASL challenge

---
 upstream.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/upstream.go b/upstream.go
index 9609f40..79e9dc0 100644
--- a/upstream.go
+++ b/upstream.go
@@ -507,7 +507,7 @@ func (uc *upstreamConn) handleMessage(msg *irc.Message) error {
 
 		// TODO: send response in multiple chunks if >= 400 bytes
 		var respStr = "+"
-		if resp != nil {
+		if len(resp) != 0 {
 			respStr = base64.StdEncoding.EncodeToString(resp)
 		}