From b1b30b3fb8988e56855475f662cab411dda4d18b Mon Sep 17 00:00:00 2001
From: Dirk <dirk@testssl.sh>
Date: Thu, 1 Mar 2018 16:01:05 +0100
Subject: [PATCH] better matching of empty server banners

.. which could have led to borken JSON too
---
 testssl.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testssl.sh b/testssl.sh
index 3bcd2ec..8305d9e 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -2161,7 +2161,7 @@ run_server_banner() {
      grep -ai '^Server' $HEADERFILE >$TMPFILE
      if [[ $? -eq 0 ]]; then
           serverbanner=$(sed -e 's/^Server: //' -e 's/^server: //' $TMPFILE)
-          if [[ x"$serverbanner" == "x\n" ]] || [[ x"$serverbanner" == "x\n\r" ]] || [[ -z "$serverbanner" ]]; then
+          if [[ "$serverbanner" == $'\n' ]] || [[ "$serverbanner" == $'\r' ]] || [[ "$serverbanner" == $'\n\r' ]] || [[ -z "$serverbanner" ]]; then
                outln "banner exists but empty string"
                fileout "$jsonID" "INFO" "Server banner is empty"
           else