wireguard: converted whitespaces from space to tab

With this change, the file is reduced from 5186 bytes to 4649 bytes that
its approximately 10.5 percent less memory consumption. For small
devices, sometimes every byte counts.
Also, all other protocol handler use tabs instead of spaces.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert 2019-04-09 10:52:03 +02:00 committed by Hans Dedecker
parent c8a8294f6e
commit 78b6931a1a

View File

@ -2,200 +2,193 @@
# Copyright 2016-2017 Dan Luedtke <mail@danrl.com> # Copyright 2016-2017 Dan Luedtke <mail@danrl.com>
# Licensed to the public under the Apache License 2.0. # Licensed to the public under the Apache License 2.0.
WG=/usr/bin/wg WG=/usr/bin/wg
if [ ! -x $WG ]; then if [ ! -x $WG ]; then
logger -t "wireguard" "error: missing wireguard-tools (${WG})" logger -t "wireguard" "error: missing wireguard-tools (${WG})"
exit 0 exit 0
fi fi
[ -n "$INCLUDE_ONLY" ] || { [ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh . /lib/functions.sh
. ../netifd-proto.sh . ../netifd-proto.sh
init_proto "$@" init_proto "$@"
} }
proto_wireguard_init_config() { proto_wireguard_init_config() {
proto_config_add_string "private_key" proto_config_add_string "private_key"
proto_config_add_int "listen_port" proto_config_add_int "listen_port"
proto_config_add_int "mtu" proto_config_add_int "mtu"
proto_config_add_string "fwmark" proto_config_add_string "fwmark"
available=1 available=1
no_proto_task=1 no_proto_task=1
} }
proto_wireguard_setup_peer() { proto_wireguard_setup_peer() {
local peer_config="$1" local peer_config="$1"
local public_key local public_key
local preshared_key local preshared_key
local allowed_ips local allowed_ips
local route_allowed_ips local route_allowed_ips
local endpoint_host local endpoint_host
local endpoint_port local endpoint_port
local persistent_keepalive local persistent_keepalive
config_get public_key "${peer_config}" "public_key" config_get public_key "${peer_config}" "public_key"
config_get preshared_key "${peer_config}" "preshared_key" config_get preshared_key "${peer_config}" "preshared_key"
config_get allowed_ips "${peer_config}" "allowed_ips" config_get allowed_ips "${peer_config}" "allowed_ips"
config_get_bool route_allowed_ips "${peer_config}" "route_allowed_ips" 0 config_get_bool route_allowed_ips "${peer_config}" "route_allowed_ips" 0
config_get endpoint_host "${peer_config}" "endpoint_host" config_get endpoint_host "${peer_config}" "endpoint_host"
config_get endpoint_port "${peer_config}" "endpoint_port" config_get endpoint_port "${peer_config}" "endpoint_port"
config_get persistent_keepalive "${peer_config}" "persistent_keepalive" config_get persistent_keepalive "${peer_config}" "persistent_keepalive"
# peer configuration # peer configuration
echo "[Peer]" >> "${wg_cfg}" echo "[Peer]" >> "${wg_cfg}"
echo "PublicKey=${public_key}" >> "${wg_cfg}" echo "PublicKey=${public_key}" >> "${wg_cfg}"
if [ "${preshared_key}" ]; then if [ "${preshared_key}" ]; then
echo "PresharedKey=${preshared_key}" >> "${wg_cfg}" echo "PresharedKey=${preshared_key}" >> "${wg_cfg}"
fi fi
for allowed_ip in $allowed_ips; do for allowed_ip in $allowed_ips; do
echo "AllowedIPs=${allowed_ip}" >> "${wg_cfg}" echo "AllowedIPs=${allowed_ip}" >> "${wg_cfg}"
done done
if [ "${endpoint_host}" ]; then if [ "${endpoint_host}" ]; then
case "${endpoint_host}" in case "${endpoint_host}" in
*:*) *:*)
endpoint="[${endpoint_host}]" endpoint="[${endpoint_host}]"
;; ;;
*) *)
endpoint="${endpoint_host}" endpoint="${endpoint_host}"
;; ;;
esac esac
if [ "${endpoint_port}" ]; then if [ "${endpoint_port}" ]; then
endpoint="${endpoint}:${endpoint_port}" endpoint="${endpoint}:${endpoint_port}"
else else
endpoint="${endpoint}:51820" endpoint="${endpoint}:51820"
fi fi
echo "Endpoint=${endpoint}" >> "${wg_cfg}" echo "Endpoint=${endpoint}" >> "${wg_cfg}"
fi fi
if [ "${persistent_keepalive}" ]; then if [ "${persistent_keepalive}" ]; then
echo "PersistentKeepalive=${persistent_keepalive}" >> "${wg_cfg}" echo "PersistentKeepalive=${persistent_keepalive}" >> "${wg_cfg}"
fi fi
# add routes for allowed ips # add routes for allowed ips
if [ ${route_allowed_ips} -ne 0 ]; then if [ ${route_allowed_ips} -ne 0 ]; then
for allowed_ip in ${allowed_ips}; do for allowed_ip in ${allowed_ips}; do
case "${allowed_ip}" in case "${allowed_ip}" in
*:*/*) *:*/*)
proto_add_ipv6_route "${allowed_ip%%/*}" "${allowed_ip##*/}" proto_add_ipv6_route "${allowed_ip%%/*}" "${allowed_ip##*/}"
;; ;;
*.*/*) *.*/*)
proto_add_ipv4_route "${allowed_ip%%/*}" "${allowed_ip##*/}" proto_add_ipv4_route "${allowed_ip%%/*}" "${allowed_ip##*/}"
;; ;;
*:*) *:*)
proto_add_ipv6_route "${allowed_ip%%/*}" "128" proto_add_ipv6_route "${allowed_ip%%/*}" "128"
;; ;;
*.*) *.*)
proto_add_ipv4_route "${allowed_ip%%/*}" "32" proto_add_ipv4_route "${allowed_ip%%/*}" "32"
;; ;;
esac esac
done done
fi fi
} }
proto_wireguard_setup() { proto_wireguard_setup() {
local config="$1" local config="$1"
local wg_dir="/tmp/wireguard" local wg_dir="/tmp/wireguard"
local wg_cfg="${wg_dir}/${config}" local wg_cfg="${wg_dir}/${config}"
local private_key local private_key
local listen_port local listen_port
local mtu local mtu
# load configuration # load configuration
config_load network config_load network
config_get private_key "${config}" "private_key" config_get private_key "${config}" "private_key"
config_get listen_port "${config}" "listen_port" config_get listen_port "${config}" "listen_port"
config_get addresses "${config}" "addresses" config_get addresses "${config}" "addresses"
config_get mtu "${config}" "mtu" config_get mtu "${config}" "mtu"
config_get fwmark "${config}" "fwmark" config_get fwmark "${config}" "fwmark"
config_get ip6prefix "${config}" "ip6prefix" config_get ip6prefix "${config}" "ip6prefix"
config_get nohostroute "${config}" "nohostroute" config_get nohostroute "${config}" "nohostroute"
# create interface # create interface
ip link del dev "${config}" 2>/dev/null ip link del dev "${config}" 2>/dev/null
ip link add dev "${config}" type wireguard ip link add dev "${config}" type wireguard
if [ "${mtu}" ]; then if [ "${mtu}" ]; then
ip link set mtu "${mtu}" dev "${config}" ip link set mtu "${mtu}" dev "${config}"
fi fi
proto_init_update "${config}" 1 proto_init_update "${config}" 1
# generate configuration file # generate configuration file
umask 077 umask 077
mkdir -p "${wg_dir}" mkdir -p "${wg_dir}"
echo "[Interface]" > "${wg_cfg}" echo "[Interface]" > "${wg_cfg}"
echo "PrivateKey=${private_key}" >> "${wg_cfg}" echo "PrivateKey=${private_key}" >> "${wg_cfg}"
if [ "${listen_port}" ]; then if [ "${listen_port}" ]; then
echo "ListenPort=${listen_port}" >> "${wg_cfg}" echo "ListenPort=${listen_port}" >> "${wg_cfg}"
fi fi
if [ "${fwmark}" ]; then if [ "${fwmark}" ]; then
echo "FwMark=${fwmark}" >> "${wg_cfg}" echo "FwMark=${fwmark}" >> "${wg_cfg}"
fi fi
config_foreach proto_wireguard_setup_peer "wireguard_${config}" config_foreach proto_wireguard_setup_peer "wireguard_${config}"
# apply configuration file # apply configuration file
${WG} setconf ${config} "${wg_cfg}" ${WG} setconf ${config} "${wg_cfg}"
WG_RETURN=$? WG_RETURN=$?
# delete configuration file # delete configuration file
rm -f "${wg_cfg}" rm -f "${wg_cfg}"
# check status # check status
if [ ${WG_RETURN} -ne 0 ]; then if [ ${WG_RETURN} -ne 0 ]; then
sleep 5 sleep 5
proto_setup_failed "${config}" proto_setup_failed "${config}"
exit 1 exit 1
fi fi
# add ip addresses # add ip addresses
for address in ${addresses}; do for address in ${addresses}; do
case "${address}" in case "${address}" in
*:*/*) *:*/*)
proto_add_ipv6_address "${address%%/*}" "${address##*/}" proto_add_ipv6_address "${address%%/*}" "${address##*/}"
;; ;;
*.*/*) *.*/*)
proto_add_ipv4_address "${address%%/*}" "${address##*/}" proto_add_ipv4_address "${address%%/*}" "${address##*/}"
;; ;;
*:*) *:*)
proto_add_ipv6_address "${address%%/*}" "128" proto_add_ipv6_address "${address%%/*}" "128"
;; ;;
*.*) *.*)
proto_add_ipv4_address "${address%%/*}" "32" proto_add_ipv4_address "${address%%/*}" "32"
;; ;;
esac esac
done done
# support ip6 prefixes # support ip6 prefixes
for prefix in ${ip6prefix}; do for prefix in ${ip6prefix}; do
proto_add_ipv6_prefix "$prefix" proto_add_ipv6_prefix "$prefix"
done done
# endpoint dependency # endpoint dependency
if [ "${nohostroute}" != "1" ]; then if [ "${nohostroute}" != "1" ]; then
wg show "${config}" endpoints | \ wg show "${config}" endpoints | \
sed -E 's/\[?([0-9.:a-f]+)\]?:([0-9]+)/\1 \2/' | \ sed -E 's/\[?([0-9.:a-f]+)\]?:([0-9]+)/\1 \2/' | \
while IFS=$'\t ' read -r key address port; do while IFS=$'\t ' read -r key address port; do
[ -n "${port}" ] || continue [ -n "${port}" ] || continue
proto_add_host_dependency "${config}" "${address}" proto_add_host_dependency "${config}" "${address}"
done done
fi fi
proto_send_update "${config}" proto_send_update "${config}"
} }
proto_wireguard_teardown() { proto_wireguard_teardown() {
local config="$1" local config="$1"
ip link del dev "${config}" >/dev/null 2>&1 ip link del dev "${config}" >/dev/null 2>&1
} }
[ -n "$INCLUDE_ONLY" ] || { [ -n "$INCLUDE_ONLY" ] || {
add_protocol wireguard add_protocol wireguard
} }