net/quicktun/files/quicktun.init

   1 #!/bin/sh /etc/rc.common
   2 # Quicktun init script
   3 # Partly taken the the OpenVPN init script (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=95
   8 BIN=/usr/sbin/quicktun
   9 SSD=start-stop-daemon
  10 EXTRA_COMMANDS="up down"
  11
  12 LIST_SEP="
  13 "
  14
  15 append_opt() {
  16         local p="$1"; local v="$2"; local p_uc
  17
  18         p_uc=$(echo "$p" | tr '[a-z]' '[A-Z]')
  19         OPTS="$OPTS \"$p_uc=$v\""
  20 }
  21
  22 append_opts() {
  23         local p; local v; local s="$1"; shift
  24         for p in $*; do
  25                 config_get v "$s" "$p"
  26                 [ -n "$v" ] && append_opt "$p" "$v"
  27         done
  28 }
  29
  30 start_service() {
  31         local s="$1"
  32         local enable=0
  33
  34         # disabled?
  35         config_get_bool enable "$s" enable 0
  36         [ "$enable" == 0 ] && return 0
  37
  38         PID="/var/run/quicktun-$s.pid"
  39         OPTS=""
  40
  41         config_get interface "$s" interface
  42         if [ -z "$interface" ]; then
  43                 echo "$s: interface not set"
  44                 return 1
  45         fi
  46
  47         if ifconfig "$interface" >/dev/null 2>&1; then
  48                 echo "$s: interface $interface is already in use"
  49                 return 1
  50         fi
  51
  52         append_opts "$s" interface local_address local_port remote_address remote_port \
  53                 protocol private_key public_key time_window
  54
  55         config_get_bool tun_mode "$s" tun_mode 0
  56         [ "$tun_mode" == 1 ] && append_opt tun_mode 1
  57
  58         config_get_bool remote_float "$s" remote_float 0
  59         [ "$remote_float" == 1 ] && append_opt remote_float 1
  60
  61         eval env $OPTS "$SSD" -q -b -p "$PID" -m -x "$BIN" -S
  62
  63         while ! ifconfig "$interface" >/dev/null 2>&1; do
  64                 if ! $SSD -t -q -p $PID -x $BIN -K; then
  65                         echo "$s: daemon startup failed"
  66                         return 1
  67                 fi
  68
  69                 sleep 1
  70         done
  71
  72         config_get up "$s" up
  73         [ -n "$up" ] && sh -c "$up" - "$interface"
  74 }
  75
  76 stop_service() {
  77         local s="$1"
  78         local enable=0
  79
  80         # disabled?
  81         config_get_bool enable "$s" enable 0
  82         [ "$enable" == 0 ] && return 0
  83
  84         config_get interface "$s" interface
  85         if [ -z "$interface" ]; then
  86                 echo "$s: interface not set"
  87                 return 1
  88         fi
  89
  90         if ! ifconfig "$interface" >/dev/null 2>&1; then
  91                 echo "$s: interface $interface does not exist"
  92                 return 1
  93         fi
  94
  95         config_get down "$s" down
  96         [ -n "$down" ] && sh -c "$down" - "$interface"
  97
  98         PID="/var/run/quicktun-$s.pid"
  99
 100         $SSD -q -p $PID -x $BIN -K
 101         rm -f "$PID"
 102 }
 103
 104 start() {
 105         config_load quicktun
 106         config_foreach start_service quicktun
 107 }
 108
 109 stop() {
 110         config_load quicktun
 111         config_foreach stop_service quicktun
 112 }
 113
 114 restart() {
 115         stop; start
 116 }
 117
 118 up() {
 119         local exists
 120         local INSTANCE
 121         config_load quicktun
 122         for INSTANCE in "$@"; do
 123                 config_get exists "$INSTANCE" TYPE
 124                 if [ "$exists" == "quicktun" ]; then
 125                         start_service "$INSTANCE"
 126                 fi
 127         done
 128 }
 129
 130 down() {
 131         local exists
 132         local INSTANCE
 133         config_load quicktun
 134         for INSTANCE in "$@"; do
 135                 config_get exists "$INSTANCE" TYPE
 136                 if [ "$exists" == "quicktun" ]; then
 137                         stop_service "$INSTANCE"
 138                 fi
 139         done
 140 }