From fbe240588f4dc1e8e60cee96b391ba0e09bb9ada Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikma@users.sourceforge.net>
Date: Sun, 7 Oct 2018 23:59:01 +0200
Subject: luci-proto-tayga: Add support for TAYGA NAT64

TAYGA is an out-of-kernel stateless NAT64 implementation for Linux.
It uses the TUN driver to exchange packets with the kernel,
which is the same driver used by OpenVPN and QEMU/KVM.

Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>
---
 protocols/luci-proto-tayga/Makefile                | 15 +++++++++++
 .../luasrc/model/cbi/admin_network/proto_tayga.lua | 31 ++++++++++++++++++++++
 .../luasrc/model/network/proto_tayga.lua           | 27 +++++++++++++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 protocols/luci-proto-tayga/Makefile
 create mode 100644 protocols/luci-proto-tayga/luasrc/model/cbi/admin_network/proto_tayga.lua
 create mode 100644 protocols/luci-proto-tayga/luasrc/model/network/proto_tayga.lua

diff --git a/protocols/luci-proto-tayga/Makefile b/protocols/luci-proto-tayga/Makefile
new file mode 100644
index 000000000..a4c4467e4
--- /dev/null
+++ b/protocols/luci-proto-tayga/Makefile
@@ -0,0 +1,15 @@
+#
+# This is free software, licensed under the Apache License, Version 2.0.
+#
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=Support for NAT64 (TAYGA)
+LUCI_DEPENDS:=+tayga
+LUCI_PKGARCH:=all
+
+PKG_MAINTAINER:=
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature
diff --git a/protocols/luci-proto-tayga/luasrc/model/cbi/admin_network/proto_tayga.lua b/protocols/luci-proto-tayga/luasrc/model/cbi/admin_network/proto_tayga.lua
new file mode 100644
index 000000000..862516d55
--- /dev/null
+++ b/protocols/luci-proto-tayga/luasrc/model/cbi/admin_network/proto_tayga.lua
@@ -0,0 +1,31 @@
+-- Licensed to the public under the Apache License 2.0.
+
+local map, section, net = ...
+
+local o = section:taboption("general", Value, "ipv4_addr",
+	translate("IPv4 address"))
+o.datatype = "ip4addr"
+o.rmempty = false
+
+o = section:taboption("general", Value, "dynamic_pool",
+	translate("IPv4 pool"))
+o.datatype = "ipmask4"
+o.rmempty = false
+
+o = section:taboption("general", Value, "prefix",
+	translate("Translation prefix"),
+	translate("Note: traffic between IPv6 hosts and private IPv4 addresses (i.e. to/from 64:ff9b::10.0.0.0/104, 64:ff9b::192.168.0.0/112, etc) will be dropped.\
+Use a translation prefix within your organization's IPv6 address space instead of 64:ff9b::/96 if you need your IPv6 hosts to communicate with private IPv4 addresses"))
+o.datatype = "ipmask6"
+o.default = "64:ff9b::/96"
+o.rmempty = false
+
+o = section:taboption("general", Value, "ipv6_addr",
+	translate("IPv6 address"))
+o.datatype = "ip6addr"
+o.rmempty = true
+
+o = section:taboption("general", Flag, "noroutes",
+	translate("No routes"), translate("Don't create routes for the IPv4 pool, IPv6 prefix and IPv6 address."))
+o.datatype = "boolean"
+
diff --git a/protocols/luci-proto-tayga/luasrc/model/network/proto_tayga.lua b/protocols/luci-proto-tayga/luasrc/model/network/proto_tayga.lua
new file mode 100644
index 000000000..9f6bb14c9
--- /dev/null
+++ b/protocols/luci-proto-tayga/luasrc/model/network/proto_tayga.lua
@@ -0,0 +1,27 @@
+-- Licensed to the public under the Apache License 2.0.
+
+local proto = luci.model.network:register_protocol("tayga")
+
+function proto.get_i18n(self)
+  return luci.i18n.translate("NAT64 (TAYGA)")
+end
+
+function proto.opkg_package(self)
+  return "tayga"
+end
+
+function proto.is_installed(self)
+  return nixio.fs.access("/lib/netifd/proto/tayga.sh")
+end
+
+function proto.is_floating(self)
+  return true
+end
+
+function proto.is_virtual(self)
+  return true
+end
+
+function proto.get_interfaces(self)
+  return nil
+end
-- 
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