From 4c099ddf17d0c3a0ccaffd0d85281dde4f16d0b1 Mon Sep 17 00:00:00 2001
From: Petr Mensik <pemensik@redhat.com>
Date: Sat, 7 May 2022 10:05:33 +0200
Subject: [PATCH] Use reserved RCODE, fake source version

Use RCODE value assigned for a private use. Previous value were possible
returned value.

Fake source version to be still 1.7.x. Hide real version into micro
version component and export it also in a proper way with _REAL
suffixes. Should workaround any source code detection to support correct
callback format. Fixes compilation error in libreswan.
---
 libunbound/unbound.h | 13 ++++++++++---
 services/mesh.h      |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/libunbound/unbound.h b/libunbound/unbound.h
index c822d3f89..2dbb9a358 100644
--- a/libunbound/unbound.h
+++ b/libunbound/unbound.h
@@ -102,9 +102,16 @@ extern "C" {
 #endif
 
 /** the version of this header file */
-#define UNBOUND_VERSION_MAJOR @UNBOUND_VERSION_MAJOR@
-#define UNBOUND_VERSION_MINOR @UNBOUND_VERSION_MINOR@
-#define UNBOUND_VERSION_MICRO @UNBOUND_VERSION_MICRO@
+/* Because of RHEL compat change, callback type remains at
+ * 1.7.3 version. To prevent source-level incompatibility,
+ * fake still old version. Export real version in _REAL
+ * suffix definitions. */
+#define UNBOUND_VERSION_MAJOR 1
+#define UNBOUND_VERSION_MINOR 7
+#define UNBOUND_VERSION_MICRO @UNBOUND_VERSION_MAJOR@@UNBOUND_VERSION_MINOR@
+#define UNBOUND_VERSION_MAJOR_REAL @UNBOUND_VERSION_MAJOR@
+#define UNBOUND_VERSION_MINOR_REAL @UNBOUND_VERSION_MINOR@
+#define UNBOUND_VERSION_MICRO_REAL @UNBOUND_VERSION_MICRO@
 
 /**
  * The validation context is created to hold the resolver status,
diff --git a/services/mesh.h b/services/mesh.h
index 9c6f958ff..c0cbf355e 100644
--- a/services/mesh.h
+++ b/services/mesh.h
@@ -237,7 +237,7 @@ struct mesh_reply {
 /* RHEL 8 compatibility layer.
  * Special rcode to send was_ratelimited to callback without adding
  * extra parameter. It is ORed to the rcode parameter of the callback. */
-#define LDNS_RCODE_RATELIMITED 0x100
+#define LDNS_RCODE_RATELIMITED 0xf80
 #define RCODE_IS_RATELIMITED(rcode) ((rcode & LDNS_RCODE_RATELIMITED) != 0)
 #define RCODE_NOT_RATELIMITED(rcode) (rcode & ~LDNS_RCODE_RATELIMITED)
 
-- 
2.34.1