Initial commit

package/network/services/openvpn/files/openvpn.init

@@ -0,0 +1,152 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2008-2013 OpenWrt.org
+# Copyright (C) 2008 Jo-Philipp Wich
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+
+START=90
+STOP=10
+
+USE_PROCD=1
+PROG=/usr/sbin/openvpn
+
+LIST_SEP="
+"
+
+UCI_STARTED=
+UCI_DISABLED=
+
+append_param() {
+	local s="$1"
+	local v="$2"
+	case "$v" in
+		*_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
+		*_*_*)   v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
+		*_*)     v=${v%%_*}-${v#*_} ;;
+	esac
+	echo -n "$v" >> "/var/etc/openvpn-$s.conf"
+	return 0
+}
+
+append_bools() {
+	local p; local v; local s="$1"; shift
+	for p in $*; do
+		config_get_bool v "$s" "$p"
+		[ "$v" = 1 ] && append_param "$s" "$p" && echo >> "/var/etc/openvpn-$s.conf"
+	done
+}
+
+append_params() {
+	local p; local v; local s="$1"; shift
+	for p in $*; do
+		config_get v "$s" "$p"
+		IFS="$LIST_SEP"
+		for v in $v; do
+			[ -n "$v" ] && [ "$p" != "push" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
+			[ -n "$v" ] && [ "$p" == "push" ] && append_param "$s" "$p" && echo " \"$v\"" >> "/var/etc/openvpn-$s.conf"
+		done
+		unset IFS
+	done
+}
+
+section_enabled() {
+	config_get_bool enable  "$1" 'enable'  0
+	config_get_bool enabled "$1" 'enabled' 0
+	[ $enable -gt 0 ] || [ $enabled -gt 0 ]
+}
+
+openvpn_add_instance() {
+	local name="$1"
+	local dir="$2"
+	local conf="$3"
+
+	procd_open_instance "$name"
+	procd_set_param command "$PROG"	\
+		--syslog "openvpn($name)" \
+		--status "/var/run/openvpn.$name.status" \
+		--cd "$dir" \
+		--config "$conf"
+	procd_set_param file "$dir/$conf"
+	procd_set_param term_timeout 15
+	procd_set_param respawn
+	procd_append_param respawn 3600
+	procd_append_param respawn 5
+	procd_append_param respawn -1
+	procd_close_instance
+}
+
+start_instance() {
+	local s="$1"
+
+	config_get config "$s" config
+	config="${config:+$(readlink -f "$config")}"
+
+	section_enabled "$s" || {
+		append UCI_DISABLED "$config" "$LIST_SEP"
+		return 1
+	}
+
+	[ ! -d "/var/run" ] && mkdir -p "/var/run"
+
+	if [ ! -z "$config" ]; then
+		append UCI_STARTED "$config" "$LIST_SEP"
+		openvpn_add_instance "$s" "${config%/*}" "$config"
+		return
+	fi
+
+	[ ! -d "/var/etc" ] && mkdir -p "/var/etc"
+	[ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
+
+	append_bools "$s" $OPENVPN_BOOLS
+	append_params "$s" $OPENVPN_PARAMS
+
+	openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
+}
+
+start_service() {
+	local instance="$1"
+	local instance_found=0
+
+	config_cb() {
+		local type="$1"
+		local name="$2"
+		if [ "$type" = "openvpn" ]; then
+			if [ -n "$instance" -a "$instance" = "$name" ]; then
+				instance_found=1
+			fi
+		fi
+	}
+
+	. /usr/share/openvpn/openvpn.options
+	config_load 'openvpn'
+
+	if [ -n "$instance" ]; then
+		[ "$instance_found" -gt 0 ] || return
+		start_instance "$instance"
+	else
+		config_foreach start_instance 'openvpn'
+
+		local path name
+		for path in /etc/openvpn/*.conf; do
+			if [ -f "$path" ]; then
+				name="${path##*/}"; name="${name%.conf}"
+
+				# don't start configs again that are already started by uci
+				if echo "$UCI_STARTED" | grep -qxF "$path"; then
+					continue
+
+				# don't start configs which are set to disabled in uci
+				elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
+					logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
+					continue
+				fi
+
+				openvpn_add_instance "$name" "${path%/*}" "$path"
+			fi
+		done
+	fi
+}
+
+service_triggers() {
+	procd_add_reload_trigger openvpn
+}