-#!/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"
-
- 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
-
- 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}/${config}"
-
- local private_key
- local listen_port
- local mtu
-
- config_load network
- config_get private_key "${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"
- config_get ip6prefix "${config}" "ip6prefix"
- config_get nohostroute "${config}" "nohostroute"
-
- 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
-
- 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=$?
-
- rm -f "${wg_cfg}"
-
- if [ ${WG_RETURN} -ne 0 ]; then
- sleep 5
- proto_setup_failed "${config}"
- exit 1
- fi
-
- 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
-
- for prefix in ${ip6prefix}; do
- proto_add_ipv6_prefix "$prefix"
- done
-
- # endpoint dependency
- if [ "${nohostroute}" != "1" ]; then
- wg show "${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
- fi
-
- 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
-}
projects / librecmc / librecmc.git / commitdiff