From 4754ed45b607e82450a5e31fea1da3ba61433b04 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Mar 2021 08:54:12 +0100
Subject: Adding upstream version 1.1.0+debian.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/core/object/gre.lua | 87 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/core/object/gre.lua

(limited to 'src/core/object/gre.lua')

diff --git a/src/core/object/gre.lua b/src/core/object/gre.lua
new file mode 100644
index 0000000..703b02f
--- /dev/null
+++ b/src/core/object/gre.lua
@@ -0,0 +1,87 @@
+-- Copyright (c) 2018-2021, OARC, Inc.
+-- All rights reserved.
+--
+-- This file is part of dnsjit.
+--
+-- dnsjit is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- dnsjit is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with dnsjit.  If not, see <http://www.gnu.org/licenses/>.
+
+-- dnsjit.core.object.gre
+-- Generic Routing Encapsulation (GRE) part of a packet
+--
+-- The GRE part of a packet that usually can be found in the object chain
+-- after parsing with, for example, Layer filter.
+-- See RFC 1701.
+-- .SS Attributes
+-- .TP
+-- gre_flags
+-- The GRE flags.
+-- .TP
+-- ether_type
+-- The protocol type of the payload packet.
+-- .TP
+-- checksum
+-- The checksum of the GRE header and the payload packet.
+-- .TP
+-- key
+-- The Key field contains a four octet number which was inserted by
+-- the encapsulator.
+-- .TP
+-- sequence
+-- The Sequence Number field contains an unsigned 32 bit integer which is
+-- inserted by the encapsulator.
+module(...,package.seeall)
+
+require("dnsjit.core.object.gre_h")
+local ffi = require("ffi")
+local C = ffi.C
+
+local t_name = "core_object_gre_t"
+local core_object_gre_t
+local Gre = {}
+
+-- Return the textual type of the object.
+function Gre:type()
+    return "gre"
+end
+
+-- Return the previous object.
+function Gre:prev()
+    return self.obj_prev
+end
+
+-- Cast the object to the underlining object module and return it.
+function Gre:cast()
+    return self
+end
+
+-- Cast the object to the generic object module and return it.
+function Gre:uncast()
+    return ffi.cast("core_object_t*", self)
+end
+
+-- Make a copy of the object and return it.
+function Gre:copy()
+    return C.core_object_gre_copy(self)
+end
+
+-- Free the object, should only be used on copies or otherwise allocated.
+function Gre:free()
+    C.core_object_gre_free(self)
+end
+
+core_object_gre_t = ffi.metatype(t_name, { __index = Gre })
+
+-- dnsjit.core.object (3),
+-- dnsjit.filter.layer (3)
+return Gre
-- 
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