diff --git a/package/network/services/wireguard/files/wireguard.sh b/package/network/services/wireguard/files/wireguard.sh
index fb781070d6..cc49c2daf0 100644
--- a/package/network/services/wireguard/files/wireguard.sh
+++ b/package/network/services/wireguard/files/wireguard.sh
@@ -2,200 +2,193 @@
 # 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
+	logger -t "wireguard" "error: missing wireguard-tools (${WG})"
+	exit 0
 fi
 
-
 [ -n "$INCLUDE_ONLY" ] || {
-  . /lib/functions.sh
-  . ../netifd-proto.sh
-  init_proto "$@"
+	. /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_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 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
+	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 "${peer_config}" "persistent_keepalive"
+	config_get public_key "${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
+	# 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
+	# 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 config="$1"
+	local wg_dir="/tmp/wireguard"
+	local wg_cfg="${wg_dir}/${config}"
 
-  local private_key
-  local listen_port
-  local mtu
+	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        "${config}" "fwmark"
-  config_get ip6prefix     "${config}" "ip6prefix"
-  config_get nohostroute   "${config}" "nohostroute"
+	# load configuration
+	config_load network
+	config_get private_key "${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"
+	config_get ip6prefix "${config}" "ip6prefix"
+	config_get nohostroute "${config}" "nohostroute"
 
-  # create interface
-  ip link del dev "${config}" 2>/dev/null
-  ip link add dev "${config}" type wireguard
+	# 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 "${config}"
-  fi
+	if [ "${mtu}" ]; then
+		ip link set mtu "${mtu}" dev "${config}"
+	fi
 
-  proto_init_update "${config}" 1
+	proto_init_update "${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_${config}"
+	# generate configuration file
+	umask 077
+	mkdir -p "${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=$?
+	# apply configuration file
+	${WG} setconf ${config} "${wg_cfg}"
+	WG_RETURN=$?
 
-  # delete configuration file
-  rm -f "${wg_cfg}"
+	# delete configuration file
+	rm -f "${wg_cfg}"
 
-  # check status
-  if [ ${WG_RETURN} -ne 0 ]; then
-    sleep 5
-    proto_setup_failed "${config}"
-    exit 1
-  fi
+	# 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
+	# 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
 
-  # support ip6 prefixes
-  for prefix in ${ip6prefix}; do
-      proto_add_ipv6_prefix "$prefix"
-  done
+	# support ip6 prefixes
+	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
+	# 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 "${config}"
+	proto_send_update "${config}"
 }
 
-
 proto_wireguard_teardown() {
-  local config="$1"
-  ip link del dev "${config}" >/dev/null 2>&1
+	local config="$1"
+	ip link del dev "${config}" >/dev/null 2>&1
 }
 
-
 [ -n "$INCLUDE_ONLY" ] || {
-  add_protocol wireguard
+	add_protocol wireguard
 }