From 59b5ff6ccc8182a23beaf5774263f175e8cf7cef Mon Sep 17 00:00:00 2001
From: Carsten Rosenberg <c.rosenberg@heinlein-support.de>
Date: Sat, 26 Jan 2019 13:49:02 +0100
Subject: [PATCH] [Minor] lua_scanners - icap check empty key

---
 lualib/lua_scanners/icap.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lualib/lua_scanners/icap.lua b/lualib/lua_scanners/icap.lua
index 801db72f6..6ddd5fee6 100644
--- a/lualib/lua_scanners/icap.lua
+++ b/lualib/lua_scanners/icap.lua
@@ -69,7 +69,9 @@ local function icap_check(task, content, digest, rule)
         end
         if string.find(s, '[%a%d-+]-:') then
           local _,_,key,value = tostring(s):find("([%a%d-+]-):%s?(.+)")
-          icap_headers[key] = value
+          if key ~= nil then
+            icap_headers[key] = value
+          end
         end
       end
       lua_util.debugm(rule.name, task, '%s: icap_headers: %s',
-- 
2.39.5