Fix when no user agent is sent

diego-treitos · Jul 9, 2018 · ba7ca62 · ba7ca62
1 parent 7c8d6b0
commit ba7ca62
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/waf/init.lua b/waf/init.lua
@@ -217,6 +217,9 @@ nw_rules.agent = {
     if nw_check_agent then
       -- define TARGET to match against rules
       local TARGET = ngx.var.http_user_agent
+      if TARGET == nil then
+        return true
+      end
 
       -- check common rules
       nw_common_rules.check( TARGET )