From a43d252ae9d71e7ba578dde9f11700f8e17166f1 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Mon, 6 Dec 2010 00:14:08 +0000
Subject: [PATCH] minor update

---
 lib/core/agent.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/core/agent.py b/lib/core/agent.py
index 61ba770e0..e4b02e4eb 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -212,6 +212,10 @@ class Agent:
         if kb.dbms is not None:
             inferenceQuery = queries[kb.dbms].inference.query
             payload = payload.replace("[INFERENCE]", inferenceQuery)
+        elif "[INFERENCE]" in payload:
+            errMsg = "invalid usage of inference payload without knowledge "
+            errMsg += "of underlying DBMS"
+            raise sqlmapNoneDataException, errMsg
 
         return payload