From 85e4ce52b5567306e2d7e576a45ae58afb017d8f Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Thu, 10 Dec 2015 17:18:30 +0100
Subject: [PATCH] Warn that addLocal() and setLocal() can't be used at runtime

---
 pdns/dnsdist-lua.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pdns/dnsdist-lua.cc b/pdns/dnsdist-lua.cc
index 45a8d0c70..e1cd5badf 100644
--- a/pdns/dnsdist-lua.cc
+++ b/pdns/dnsdist-lua.cc
@@ -289,6 +289,10 @@ vector<std::function<void(void)>> setupLua(bool client, const std::string& confi
   g_lua.writeFunction("setLocal", [client](const std::string& addr, boost::optional<bool> doTCP) {
       if(client)
 	return;
+      if (g_configurationDone) {
+        g_outputBuffer="setLocal cannot be used at runtime!\n";
+        return;
+      }
       try {
 	ComboAddress loc(addr, 53);
 	g_locals.clear();
@@ -302,6 +306,10 @@ vector<std::function<void(void)>> setupLua(bool client, const std::string& confi
   g_lua.writeFunction("addLocal", [client](const std::string& addr, boost::optional<bool> doTCP) {
       if(client)
 	return;
+      if (g_configurationDone) {
+        g_outputBuffer="addLocal cannot be used at runtime!\n";
+        return;
+      }
       try {
 	ComboAddress loc(addr, 53);
 	g_locals.push_back({loc, doTCP ? *doTCP : true}); /// only works pre-startup, so no sync necessary
-- 
2.40.0