From 6b50cd60dd642d58d9e2f5166d18d8d75355b241 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Wed, 17 Feb 2010 20:27:08 +0100
Subject: [PATCH] libndr: give an error when
 ndr_push_relative_ptr2_start()/_end() is used with the RELATIVE_REVERSE flag

metze
(cherry picked from commit b5f9c44da55abb28222441a7e064a2a25891981f)
(cherry picked from commit 2f8872bdff4f193043f5195f11ec6a8b44e0f8f1)
---
 librpc/ndr/ndr.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/librpc/ndr/ndr.c b/librpc/ndr/ndr.c
index c3759985e83..15510d62162 100644
--- a/librpc/ndr/ndr.c
+++ b/librpc/ndr/ndr.c
@@ -1078,7 +1078,12 @@ _PUBLIC_ enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, co
 	if (p == NULL) {
 		return NDR_ERR_SUCCESS;
 	}
-	return ndr_push_relative_ptr2(ndr, p);
+	if (!(ndr->flags & LIBNDR_FLAG_RELATIVE_REVERSE)) {
+		return ndr_push_relative_ptr2(ndr, p);
+	}
+
+	return ndr_push_error(ndr, NDR_ERR_RELATIVE,
+			      "ndr_push_relative_ptr2_start RELATIVE_REVERSE flag set, but not supported");
 }
 
 /*
-- 
2.11.4.GIT