From 88d41f65cb9b1386dec4baace210841667492f0e Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 11 Apr 2018 09:09:17 +0100
Subject: [PATCH] [Minor] Add fool protection for nested section in ucl

---
 lualib/lua_cfg_transform.lua | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lualib/lua_cfg_transform.lua b/lualib/lua_cfg_transform.lua
index 4dcfd8111..971b60171 100644
--- a/lualib/lua_cfg_transform.lua
+++ b/lualib/lua_cfg_transform.lua
@@ -287,5 +287,13 @@ return function(cfg)
     cfg.dkim.sign_headers = table.concat(cfg.dkim.sign_headers, ':')
   end
 
+  -- Try to find some obvious issues with configuration
+  for k,v in pairs(cfg) do
+    if type(v) == 'table' and v[k] and type (v[k]) == 'table' then
+      logger.errx('nested section: %s { %s { ... } }, it is likely a configuration error',
+              k, k)
+    end
+  end
+
   return ret, cfg
 end
-- 
2.39.5