feat(auth): add empty selector for ifportup and ifurlup functions

Signed-off-by: Xabier Napal <xabier.napal@dvzr.io>

diff --git a/pdns/lua-record.cc b/pdns/lua-record.cc
index a4b5c647f91aa142745c55c903cb5dae67354dcf..6e55657b98431abf2bb8f4beb372345e010b9cb2 100644 (file)
--- a/pdns/lua-record.cc
+++ b/pdns/lua-record.cc
@@ -641,6 +641,8 @@ static vector<ComboAddress> useSelector(const std::string &selector, const Combo
 
   if(selector=="all")
     return candidates;
+  else if(selector=="empty")
+    return ret;
   else if(selector=="random")
     ret.emplace_back(pickRandom<ComboAddress>(candidates));
   else if(selector=="pickclosest")