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="$1"; shift
  54
  55         list_cb_append() {
  56                 v="${v}:$1"
  57         }
  58
  59         for p in $*; do
  60                 unset v
  61                 config_list_foreach "$s" "$p" list_cb_append
  62                 [ -n "$v" ] && append_param "$s" "$p" && echo " ${v:1}" >> "/var/etc/openvpn-$s.conf"
  63         done
  64 }
  65
  66 section_enabled() {
  67         config_get_bool enable  "$1" 'enable'  0
  68         config_get_bool enabled "$1" 'enabled' 0
  69         [ $enable -gt 0 ] || [ $enabled -gt 0 ]
  70 }
  71
  72 openvpn_add_instance() {
  73         local name="$1"
  74         local dir="$2"
  75         local conf="$3"
  76
  77         procd_open_instance "$name"
  78         procd_set_param command "$PROG" \
  79                 --syslog "openvpn($name)" \
  80                 --status "/var/run/openvpn.$name.status" \
  81                 --cd "$dir" \
  82                 --config "$conf"
  83         procd_set_param file "$dir/$conf"
  84         procd_set_param term_timeout 15
  85         procd_set_param respawn
  86         procd_append_param respawn 3600
  87         procd_append_param respawn 5
  88         procd_append_param respawn -1
  89         procd_close_instance
  90 }
  91
  92 start_instance() {
  93         local s="$1"
  94
  95         config_get config "$s" config
  96         config="${config:+$(readlink -f "$config")}"
  97
  98         section_enabled "$s" || {
  99                 append UCI_DISABLED "$config" "$LIST_SEP"
 100                 return 1
 101         }
 102
 103         [ ! -d "/var/run" ] && mkdir -p "/var/run"
 104
 105         if [ ! -z "$config" ]; then
 106                 append UCI_STARTED "$config" "$LIST_SEP"
 107                 openvpn_add_instance "$s" "${config%/*}" "$config"
 108                 return
 109         fi
 110
 111         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
 112         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
 113
 114         append_bools "$s" $OPENVPN_BOOLS
 115         append_params "$s" $OPENVPN_PARAMS
 116         append_list "$s" $OPENVPN_LIST
 117
 118         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 119 }
 120
 121 start_service() {
 122         local instance="$1"
 123         local instance_found=0
 124
 125         config_cb() {
 126                 local type="$1"
 127                 local name="$2"
 128                 if [ "$type" = "openvpn" ]; then
 129                         if [ -n "$instance" -a "$instance" = "$name" ]; then
 130                                 instance_found=1
 131                         fi
 132                 fi
 133         }
 134
 135         . /usr/share/openvpn/openvpn.options
 136         config_load 'openvpn'
 137
 138         if [ -n "$instance" ]; then
 139                 [ "$instance_found" -gt 0 ] || return
 140                 start_instance "$instance"
 141         else
 142                 config_foreach start_instance 'openvpn'
 143
 144                 local path name
 145                 for path in /etc/openvpn/*.conf; do
 146                         if [ -f "$path" ]; then
 147                                 name="${path##*/}"; name="${name%.conf}"
 148
 149                                 # don't start configs again that are already started by uci
 150                                 if echo "$UCI_STARTED" | grep -qxF "$path"; then
 151                                         continue
 152
 153                                 # don't start configs which are set to disabled in uci
 154                                 elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
 155                                         logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
 156                                         continue
 157                                 fi
 158
 159                                 openvpn_add_instance "$name" "${path%/*}" "$path"
 160                         fi
 161                 done
 162         fi
 163 }
 164
 165 service_triggers() {
 166         procd_add_reload_trigger openvpn
 167 }