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

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008-2013 OpenWrt.org
   3 # Copyright (C) 2008 Jo-Philipp Wich
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6
   7 START=90
   8 STOP=10
   9
  10 USE_PROCD=1
  11 PROG=/usr/sbin/openvpn
  12
  13 LIST_SEP="
  14 "
  15
  16 UCI_STARTED=
  17 UCI_DISABLED=
  18
  19 append_param() {
  20         local s="$1"
  21         local v="$2"
  22         case "$v" in
  23                 *_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  24                 *_*_*)   v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  25                 *_*)     v=${v%%_*}-${v#*_} ;;
  26         esac
  27         echo -n "$v" >> "/var/etc/openvpn-$s.conf"
  28         return 0
  29 }
  30
  31 append_bools() {
  32         local p; local v; local s="$1"; shift
  33         for p in $*; do
  34                 config_get_bool v "$s" "$p"
  35                 [ "$v" = 1 ] && append_param "$s" "$p" && echo >> "/var/etc/openvpn-$s.conf"
  36         done
  37 }
  38
  39 append_params() {
  40         local p; local v; local s="$1"; shift
  41         for p in $*; do
  42                 config_get v "$s" "$p"
  43                 IFS="$LIST_SEP"
  44                 for v in $v; do
  45                         [ -n "$v" ] && [ "$p" != "push" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
  46                         [ -n "$v" ] && [ "$p" == "push" ] && append_param "$s" "$p" && echo " \"$v\"" >> "/var/etc/openvpn-$s.conf"
  47                 done
  48                 unset IFS
  49         done
  50 }
  51
  52 section_enabled() {
  53         config_get_bool enable  "$1" 'enable'  0
  54         config_get_bool enabled "$1" 'enabled' 0
  55         [ $enable -gt 0 ] || [ $enabled -gt 0 ]
  56 }
  57
  58 openvpn_add_instance() {
  59         local name="$1"
  60         local dir="$2"
  61         local conf="$3"
  62
  63         procd_open_instance "$name"
  64         procd_set_param command "$PROG" \
  65                 --syslog "openvpn($name)" \
  66                 --status "/var/run/openvpn.$name.status" \
  67                 --cd "$dir" \
  68                 --config "$conf"
  69         procd_set_param file "$dir/$conf"
  70         procd_set_param term_timeout 15
  71         procd_set_param respawn
  72         procd_append_param respawn 3600
  73         procd_append_param respawn 5
  74         procd_append_param respawn -1
  75         procd_close_instance
  76 }
  77
  78 start_instance() {
  79         local s="$1"
  80
  81         config_get config "$s" config
  82         config="${config:+$(readlink -f "$config")}"
  83
  84         section_enabled "$s" || {
  85                 append UCI_DISABLED "$config" "$LIST_SEP"
  86                 return 1
  87         }
  88
  89         [ ! -d "/var/run" ] && mkdir -p "/var/run"
  90
  91         if [ ! -z "$config" ]; then
  92                 append UCI_STARTED "$config" "$LIST_SEP"
  93                 openvpn_add_instance "$s" "${config%/*}" "$config"
  94                 return
  95         fi
  96
  97         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
  98         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
  99
 100         append_bools "$s" $OPENVPN_BOOLS
 101         append_params "$s" $OPENVPN_PARAMS
 102
 103         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 104 }
 105
 106 start_service() {
 107         local instance="$1"
 108         local instance_found=0
 109
 110         config_cb() {
 111                 local type="$1"
 112                 local name="$2"
 113                 if [ "$type" = "openvpn" ]; then
 114                         if [ -n "$instance" -a "$instance" = "$name" ]; then
 115                                 instance_found=1
 116                         fi
 117                 fi
 118         }
 119
 120         . /usr/share/openvpn/openvpn.options
 121         config_load 'openvpn'
 122
 123         if [ -n "$instance" ]; then
 124                 [ "$instance_found" -gt 0 ] || return
 125                 start_instance "$instance"
 126         else
 127                 config_foreach start_instance 'openvpn'
 128
 129                 local path name
 130                 for path in /etc/openvpn/*.conf; do
 131                         if [ -f "$path" ]; then
 132                                 name="${path##*/}"; name="${name%.conf}"
 133
 134                                 # don't start configs again that are already started by uci
 135                                 if echo "$UCI_STARTED" | grep -qxF "$path"; then
 136                                         continue
 137
 138                                 # don't start configs which are set to disabled in uci
 139                                 elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
 140                                         logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
 141                                         continue
 142                                 fi
 143
 144                                 openvpn_add_instance "$name" "${path%/*}" "$path"
 145                         fi
 146                 done
 147         fi
 148 }
 149
 150 service_triggers() {
 151         procd_add_reload_trigger openvpn
 152 }