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 append_list() {
  53         local p; local v; local s="$1"; shift
  54
  55         list_cb_append() {
  56                 v="$1:${v}"
  57         }
  58
  59         for p in $*; do
  60                 config_list_foreach "$s" "$p" list_cb_append
  61         done
  62         [ -n "$v" ] && append_param "$s" "$p" && echo " ${v%*:}" >> "/var/etc/openvpn-$s.conf"
  63 }
  64
  65 section_enabled() {
  66         config_get_bool enable  "$1" 'enable'  0
  67         config_get_bool enabled "$1" 'enabled' 0
  68         [ $enable -gt 0 ] || [ $enabled -gt 0 ]
  69 }
  70
  71 openvpn_add_instance() {
  72         local name="$1"
  73         local dir="$2"
  74         local conf="$3"
  75
  76         procd_open_instance "$name"
  77         procd_set_param command "$PROG" \
  78                 --syslog "openvpn($name)" \
  79                 --status "/var/run/openvpn.$name.status" \
  80                 --cd "$dir" \
  81                 --config "$conf"
  82         procd_set_param file "$dir/$conf"
  83         procd_set_param term_timeout 15
  84         procd_set_param respawn
  85         procd_append_param respawn 3600
  86         procd_append_param respawn 5
  87         procd_append_param respawn -1
  88         procd_close_instance
  89 }
  90
  91 start_instance() {
  92         local s="$1"
  93
  94         config_get config "$s" config
  95         config="${config:+$(readlink -f "$config")}"
  96
  97         section_enabled "$s" || {
  98                 append UCI_DISABLED "$config" "$LIST_SEP"
  99                 return 1
 100         }
 101
 102         [ ! -d "/var/run" ] && mkdir -p "/var/run"
 103
 104         if [ ! -z "$config" ]; then
 105                 append UCI_STARTED "$config" "$LIST_SEP"
 106                 openvpn_add_instance "$s" "${config%/*}" "$config"
 107                 return
 108         fi
 109
 110         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
 111         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
 112
 113         append_bools "$s" $OPENVPN_BOOLS
 114         append_params "$s" $OPENVPN_PARAMS
 115         append_list "$s" $OPENVPN_LIST
 116
 117         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 118 }
 119
 120 start_service() {
 121         local instance="$1"
 122         local instance_found=0
 123
 124         config_cb() {
 125                 local type="$1"
 126                 local name="$2"
 127                 if [ "$type" = "openvpn" ]; then
 128                         if [ -n "$instance" -a "$instance" = "$name" ]; then
 129                                 instance_found=1
 130                         fi
 131                 fi
 132         }
 133
 134         . /usr/share/openvpn/openvpn.options
 135         config_load 'openvpn'
 136
 137         if [ -n "$instance" ]; then
 138                 [ "$instance_found" -gt 0 ] || return
 139                 start_instance "$instance"
 140         else
 141                 config_foreach start_instance 'openvpn'
 142
 143                 local path name
 144                 for path in /etc/openvpn/*.conf; do
 145                         if [ -f "$path" ]; then
 146                                 name="${path##*/}"; name="${name%.conf}"
 147
 148                                 # don't start configs again that are already started by uci
 149                                 if echo "$UCI_STARTED" | grep -qxF "$path"; then
 150                                         continue
 151
 152                                 # don't start configs which are set to disabled in uci
 153                                 elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
 154                                         logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
 155                                         continue
 156                                 fi
 157
 158                                 openvpn_add_instance "$name" "${path%/*}" "$path"
 159                         fi
 160                 done
 161         fi
 162 }
 163
 164 service_triggers() {
 165         procd_add_reload_trigger openvpn
 166 }