#! /bin/sh
#
# This script is invoked by dbus-scripts when a WLAN connection changes
# state.
#
# The script looks for the file /etc/tinc/nets.WLAN.<connection>.
# If it can't find it, it looks for the file /etc/tinc/nets.WLAN-default.
# If it can't find that, it does nothing.
#
# If a nets file has been found, it should contain the names of tincd networks
# (valid directory names under /etc/tinc).  Lines starting with # are ignored.
#
# If the connection has come up, tincd is started for those networks.
# If the connection has gone down, tincd is stopped for those networks.
#

DAEMON="/usr/sbin/tincd"
NAME="tinc"
DESC="tinc daemons"
TCONF="/etc/tinc"
NETSFILEBASE="$TCONF/nets.WLAN"
DEFAULTNETSFILE=${NETSFILEBASE}-default
NETS=""

test -f $DAEMON || exit 0

[ -r /etc/default/tinc ] && . /etc/default/tinc

find_nets () {
  netsfile="$NETSFILEBASE.$CONN"
  if [ ! -f "$netsfile" ]
  then
      netsfile="$NETSFILEBASE-default"
  fi
  if [ ! -f "$netsfile" ]
  then
      echo "No nets file found for connection $CONN"
      exit 0
  fi
  NETS="`egrep '^[ ]*[a-zA-Z0-9_-]+[ ]*$' \"$netsfile\"`"
}

# Connection name
CONN=$5

case "$7" in
  CONNECTED)
    find_nets
    echo -n "Starting $DESC:"
    for n in $NETS ; do
      echo -n " $n"
      $DAEMON -n $n $EXTRA
    done
    echo "."
  ;;
  IDLE)
    find_nets
    echo -n "Stopping $DESC:"
    for n in $NETS ; do
      echo -n " $n"
      $DAEMON -n $n $EXTRA -k
    done
    echo "."
  ;;
esac

exit 0