From ce51bfe2fb86420140fc92f2cb5b7f0aa1cfaa85 Mon Sep 17 00:00:00 2001
From: Otto <otto.moerbeek@open-xchange.com>
Date: Tue, 20 Jul 2021 14:10:18 +0200
Subject: [PATCH] Process potential Drop action after preresolve Lua hook.

---
 pdns/pdns_recursor.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pdns/pdns_recursor.cc b/pdns/pdns_recursor.cc
index b325fbc8d3..d52e112ccf 100644
--- a/pdns/pdns_recursor.cc
+++ b/pdns/pdns_recursor.cc
@@ -1939,6 +1939,15 @@ static void startDoResolve(void *p)
         }
       }
     }
+    else if (t_pdl) {
+      // preresolve returned true
+      shouldNotValidate = true;
+      auto policyResult = handlePolicyHit(appliedPolicy, dc, sr, res, ret, pw);
+      // haveAnswer case redundant
+      if (policyResult == PolicyResult::Drop) {
+        return;
+      }
+    }
 
   haveAnswer:;
     if(tracedQuery || res == -1 || res == RCode::ServFail || pw.getHeader()->rcode == RCode::ServFail)
-- 
2.47.2