commit 59b5ff6: [Minor] lua_scanners - icap check empty key

[Carsten Rosenberg]

Author: Carsten Rosenberg
Date: 2019-01-26 13:49:02 +0100
URL: https://github.com/rspamd/rspamd/commit/59b5ff6ccc8182a23beaf5774263f175e8cf7cef (refs/pull/2736/head)

[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',