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>

1 files changed, 169 insertions, 176 deletions

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="$1"
-
-  local public_key
-  local preshared_key
-  local allowed_ips
-  local route_allowed_ips
-  local endpoint_host
-  local endpoint_port
-  local persistent_keepalive
-
-  config_get      public_key           "${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
+	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"
-  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
-
-  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
-
-  # 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
-
-  proto_send_update "${config}"
+	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"
+	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
+
+	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
+
+	# 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
+
+	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
 }