OpenWrt – Rev 4

?pathlinks?

Blame – Last modification – View Log – Download

#!/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 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
}