--- /dev/null
+#
+# Copyright (C) 2016-2017 Jason A. Donenfeld <Jason@zx2c4.com>
+# Copyright (C) 2016 Baptiste Jonglez <openwrt@bitsofnetworks.org>
+# Copyright (C) 2016-2017 Dan Luedtke <mail@danrl.com>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=wireguard
+
+PKG_VERSION:=0.0.20171011
+PKG_RELEASE:=1
+
+PKG_SOURCE:=WireGuard-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=https://git.zx2c4.com/WireGuard/snapshot/
+PKG_HASH:=e2e44ff658743507bca0f6b443c2f85aacc48d507ba2dcd4812717145df10b96
+
+PKG_LICENSE:=GPL-2.0 Apache-2.0
+PKG_LICENSE_FILES:=COPYING
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/WireGuard-$(PKG_VERSION)
+PKG_BUILD_PARALLEL:=1
+PKG_USE_MIPS16:=0
+
+# WireGuard's makefile needs this to know where to build the kernel module
+export KERNELDIR:=$(LINUX_DIR)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/wireguard/Default
+ SECTION:=net
+ CATEGORY:=Network
+ SUBMENU:=VPN
+ URL:=https://www.wireguard.com
+ MAINTAINER:=Baptiste Jonglez <openwrt@bitsofnetworks.org>, \
+ Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>, \
+ Dan Luedtke <mail@danrl.com>, \
+ Jason A. Donenfeld <Jason@zx2c4.com>
+endef
+
+define Package/wireguard/Default/description
+ WireGuard is a novel VPN that runs inside the Linux Kernel and utilizes
+ state-of-the-art cryptography. It aims to be faster, simpler, leaner, and
+ more useful than IPSec, while avoiding the massive headache. It intends to
+ be considerably more performant than OpenVPN. WireGuard is designed as a
+ general purpose VPN for running on embedded interfaces and super computers
+ alike, fit for many different circumstances. It uses UDP.
+endef
+
+define Package/wireguard
+ $(call Package/wireguard/Default)
+ TITLE:=WireGuard meta-package
+ DEPENDS:=+wireguard-tools +kmod-wireguard
+endef
+
+include $(INCLUDE_DIR)/kernel-defaults.mk
+include $(INCLUDE_DIR)/package-defaults.mk
+
+# Used by Build/Compile/Default
+MAKE_PATH:=src/tools
+
+define Build/Compile
+ $(MAKE) $(KERNEL_MAKEOPTS) M="$(PKG_BUILD_DIR)/src" modules
+ $(call Build/Compile/Default)
+endef
+
+define Package/wireguard/install
+ true
+endef
+
+define Package/wireguard/description
+ $(call Package/wireguard/Default/description)
+endef
+
+define Package/wireguard-tools
+ $(call Package/wireguard/Default)
+ TITLE:=WireGuard userspace control program (wg)
+ DEPENDS:=+libmnl +ip
+endef
+
+define Package/wireguard-tools/description
+ $(call Package/wireguard/Default/description)
+
+ This package provides the userspace control program for WireGuard,
+ `wg(8)`, and a netifd protocol helper.
+endef
+
+define Package/wireguard-tools/install
+ $(INSTALL_DIR) $(1)/usr/bin/
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/src/tools/wg $(1)/usr/bin/
+ $(INSTALL_DIR) $(1)/lib/netifd/proto/
+ $(INSTALL_BIN) ./files/wireguard.sh $(1)/lib/netifd/proto/
+endef
+
+define KernelPackage/wireguard
+ SECTION:=kernel
+ CATEGORY:=Kernel modules
+ SUBMENU:=Network Support
+ TITLE:=WireGuard kernel module
+ DEPENDS:=+IPV6:kmod-udptunnel6 +kmod-udptunnel4
+ FILES:= $(PKG_BUILD_DIR)/src/wireguard.$(LINUX_KMOD_SUFFIX)
+ AUTOLOAD:=$(call AutoProbe,wireguard)
+endef
+
+define KernelPackage/wireguard/description
+ $(call Package/wireguard/Default/description)
+
+ This package provides the kernel module for WireGuard.
+endef
+
+$(eval $(call BuildPackage,wireguard))
+$(eval $(call BuildPackage,wireguard-tools))
+$(eval $(call KernelPackage,wireguard))
--- /dev/null
+#!/bin/sh
+# Copyright 2016-2017 Dan Luedtke <mail@danrl.com>
+# Licensed to the public under the Apache License 2.0.
+
+
+WG=/usr/bin/wg
+if [ ! -x $WG ]; then
+ logger -t "wireguard" "error: missing wireguard-tools (${WG})"
+ exit 0
+fi
+
+
+[ -n "$INCLUDE_ONLY" ] || {
+ . /lib/functions.sh
+ . ../netifd-proto.sh
+ init_proto "$@"
+}
+
+
+proto_wireguard_init_config() {
+ proto_config_add_string "private_key"
+ proto_config_add_int "listen_port"
+ proto_config_add_int "mtu"
+ proto_config_add_string "fwmark"
+ available=1
+ no_proto_task=1
+}
+
+
+proto_wireguard_setup_peer() {
+ local peer_config="$1"
+
+ local public_key
+ local preshared_key
+ local allowed_ips
+ local route_allowed_ips
+ local endpoint_host
+ local endpoint_port
+ local persistent_keepalive
+
+ config_get public_key "${peer_config}" "public_key"
+ config_get preshared_key "${peer_config}" "preshared_key"
+ config_get allowed_ips "${peer_config}" "allowed_ips"
+ config_get_bool route_allowed_ips "${peer_config}" "route_allowed_ips" 0
+ config_get endpoint_host "${peer_config}" "endpoint_host"
+ config_get endpoint_port "${peer_config}" "endpoint_port"
+ config_get persistent_keepalive "${peer_config}" "persistent_keepalive"
+
+ # peer configuration
+ echo "[Peer]" >> "${wg_cfg}"
+ echo "PublicKey=${public_key}" >> "${wg_cfg}"
+ if [ "${preshared_key}" ]; then
+ echo "PresharedKey=${preshared_key}" >> "${wg_cfg}"
+ fi
+ for allowed_ip in $allowed_ips; do
+ echo "AllowedIPs=${allowed_ip}" >> "${wg_cfg}"
+ done
+ if [ "${endpoint_host}" ]; then
+ case "${endpoint_host}" in
+ *:*)
+ endpoint="[${endpoint_host}]"
+ ;;
+ *)
+ endpoint="${endpoint_host}"
+ ;;
+ esac
+ if [ "${endpoint_port}" ]; then
+ endpoint="${endpoint}:${endpoint_port}"
+ else
+ endpoint="${endpoint}:51820"
+ fi
+ echo "Endpoint=${endpoint}" >> "${wg_cfg}"
+ fi
+ if [ "${persistent_keepalive}" ]; then
+ echo "PersistentKeepalive=${persistent_keepalive}" >> "${wg_cfg}"
+ fi
+
+ # add routes for allowed ips
+ if [ ${route_allowed_ips} -ne 0 ]; then
+ for allowed_ip in ${allowed_ips}; do
+ case "${allowed_ip}" in
+ *:*/*)
+ proto_add_ipv6_route "${allowed_ip%%/*}" "${allowed_ip##*/}"
+ ;;
+ *.*/*)
+ proto_add_ipv4_route "${allowed_ip%%/*}" "${allowed_ip##*/}"
+ ;;
+ *:*)
+ proto_add_ipv6_route "${allowed_ip%%/*}" "128"
+ ;;
+ *.*)
+ proto_add_ipv4_route "${allowed_ip%%/*}" "32"
+ ;;
+ esac
+ done
+ fi
+}
+
+
+proto_wireguard_setup() {
+ local config="$1"
+ local wg_dir="/tmp/wireguard"
+ local wg_cfg="${wg_dir}/${config}"
+
+ local private_key
+ local listen_port
+ local mtu
+
+ # load configuration
+ config_load network
+ config_get private_key "${config}" "private_key"
+ config_get listen_port "${config}" "listen_port"
+ config_get addresses "${config}" "addresses"
+ config_get mtu "${config}" "mtu"
+ config_get fwmark "${config}" "fwmark"
+
+ # create interface
+ ip link del dev "${config}" 2>/dev/null
+ ip link add dev "${config}" type wireguard
+
+ if [ "${mtu}" ]; then
+ ip link set mtu "${mtu}" dev "${config}"
+ fi
+
+ proto_init_update "${config}" 1
+
+ # generate configuration file
+ umask 077
+ mkdir -p "${wg_dir}"
+ echo "[Interface]" > "${wg_cfg}"
+ echo "PrivateKey=${private_key}" >> "${wg_cfg}"
+ if [ "${listen_port}" ]; then
+ echo "ListenPort=${listen_port}" >> "${wg_cfg}"
+ fi
+ if [ "${fwmark}" ]; then
+ echo "FwMark=${fwmark}" >> "${wg_cfg}"
+ fi
+ config_foreach proto_wireguard_setup_peer "wireguard_${config}"
+
+ # apply configuration file
+ ${WG} setconf ${config} "${wg_cfg}"
+ WG_RETURN=$?
+
+ # delete configuration file
+ rm -f "${wg_cfg}"
+
+ # check status
+ if [ ${WG_RETURN} -ne 0 ]; then
+ sleep 5
+ proto_setup_failed "${config}"
+ exit 1
+ fi
+
+ # add ip addresses
+ for address in ${addresses}; do
+ case "${address}" in
+ *:*/*)
+ proto_add_ipv6_address "${address%%/*}" "${address##*/}"
+ ;;
+ *.*/*)
+ proto_add_ipv4_address "${address%%/*}" "${address##*/}"
+ ;;
+ *:*)
+ proto_add_ipv6_address "${address%%/*}" "128"
+ ;;
+ *.*)
+ proto_add_ipv4_address "${address%%/*}" "32"
+ ;;
+ esac
+ done
+
+ # endpoint dependency
+ wg show "${config}" endpoints | \
+ sed -E 's/\[?([0-9.:a-f]+)\]?:([0-9]+)/\1 \2/' | \
+ while IFS=$'\t ' read -r key address port; do
+ [ -n "${port}" ] || continue
+ proto_add_host_dependency "${config}" "${address}"
+ done
+
+ proto_send_update "${config}"
+}
+
+
+proto_wireguard_teardown() {
+ local config="$1"
+ ip link del dev "${config}" >/dev/null 2>&1
+}
+
+
+[ -n "$INCLUDE_ONLY" ] || {
+ add_protocol wireguard
+}