#!/bin/bash
# rc.connect  This shell script boots up the ISDN subsystem.
# Version:    @(#)/sbin/init.d/rc.connect 1.0 23-Feb-97
# Author:     Bernhard Hailer <dl4mhk@lrz.uni-muenchen.de>
# License:    GNU General Public License V2 ("GPL")

# This script is designed for usage within System V style Init. If you boot
# up your system with Simple Init (e.g. Slackware, older SuSE distributions),
# then cut this file at the marked lines and save the parts as
# /etc/rc.d/rc.connect  and   /etc/rc.d/rc.6.

# Search paths

PATH=/sbin:/usr/sbin:/bin:/usr/bin

case "$1" in
start)

# === The following is /etc/rc.d/rc.connect for "simpleinit"! =================

  # Files used (do not change!):
  BASE=/usr/lib/connect/base             # base config file
  PROV_DIR=/usr/lib/connect/providers    # config files, once per provider
  STATUS=/var/lib/connect/status         # status file: how many connects open?

  # variables
  declare -i I4L
  let I4L=0
       
  # load base file
  . $BASE || { echo -e "\a base file missing"; exit 1 }
 
  # extra start commands (define in $BASE)
  Con_Start

  # probe status file (how many connects are open?)
  if [ -e $STATUS ]
  then
    echo -e "\aUnclean shutdown! Removing $STATUS"
    rm $STATUS
  fi
  touch $STATUS

  # load list of providers
  for FILE in $PROV_DIR/*; do

    REMOTE=`basename $FILE`

    echo -e "$REMOTE\c" >>$STATUS
    OPTIONS_FILE=""
    IP_ADDRESS=""
    MODE=""
    PHONE=""

    . $PROV_DIR/$REMOTE

    # i4l startup, if necessary
    case $MODE in
    i4l)
      if [ $I4L -eq 0 ]
      then
        # turn on isdn
        echo -e "\nStarting isdn4linux"
        # global 
        isdnctrl verbose 0             # For debugging set to 2 (max. 4)
      fi

      # does option file exist?
      if ! [ -e $OPTIONS_FILE ]
      then
        echo -e "\aOPTIONS_FILE misdefined in $PROV_DIR/$REMOTE! Exiting."
        exit 1
      fi

      echo -e "\nConfiguring i4l device $REMOTE as ippp$I4L."
      
      # ISDN device drivers ippp$I4L (PPP)
      isdnctrl addif      ippp$I4L
      isdnctrl pppbind    ippp$I4L $I4L
      isdnctrl addphone   ippp$I4L out $PHONE    # dial-out number
      isdnctrl addphone   ippp$I4L in $MY_PHONE  # my telephone no
      isdnctrl eaz        ippp$I4L $MY_EAZ       # my MSN / EAZ
      isdnctrl huptimeout ippp$I4L $HUPTIMEOUT   # defined in $BASE
      isdnctrl secure     ippp$I4L on            # nobody may enter
      isdnctrl l2_prot    ippp$I4L hdlc
      isdnctrl l3_prot    ippp$I4L trans
      isdnctrl encap      ippp$I4L syncppp

      ifconfig ippp$I4L $MY_HOSTNAME pointopoint $IP_ADDRESS metric 1
      route add default ippp$I4L                 # interface definitions 
      ipppd /dev/ippp$I4L file $OPTIONS_FILE &
      route del default
      ifconfig ippp$I4L down

      #         interf.  dev.  IP address  TIMES_OPEN
      echo -e " ippp$I4L ----- $IP_ADDRESS 0" >>$STATUS

      let I4L+=1

      ;;


    modem)

      echo -e "\nModem device $REMOTE configured"
      #         intf. dev.  IP address  TIMES_OPEN
      echo -e " ----- ----- $IP_ADDRESS 0" >>/var/lib/connect/status

    ;;

    *)	 
      echo -e "\a$PROV_DIR/$REMOTE: \$MODE misdefined!"
      exit 1
    ;;
      
    esac

  done


# === Until here /etc/rc.d/rc.connect for "simpleinit"! =======================
  
;;

stop)

	
# === Put this to the beginning of the "rc.6" file for "simpleinit": ==========

  # Files used (do not change!):
  BASE=/usr/lib/connect/base             # base config file
  PROV_DIR=/usr/lib/connect/providers    # config files, once per provider
  STATUS=/var/lib/connect/status         # status file: how many connects open?

  # variables
  declare -i I4L
  let I4L=0
       
  # load base file
  . $BASE || { echo -e "\a base file missing"; exit 1 }
 
  for i in $PROV_DIR/*; do

    REMOTE=`basename $i`

    . $PROV_DIR/$REMOTE

    case $MODE in
    i4l)
      if [ $I4L -eq 0 ]
      then
        # turn off isdn
        echo "Shutting down isdn4linux..."
      fi

      echo "Shutting down ippp$I4L:"
      set `cat $STATUS | grep $REMOTE`
      isdnctrl pppunbind $2
      ifconfig $2 down
      sleep 1
      isdnctrl delif $2
      sleep 1

      let I4L+=1
    ;;

    modem)
      echo "Deleting $REMOTE"
    ;;
      
    *)
      echo -e "\aPROV_DIR/$REMOTE: \$MODE misdefined!"
      exit 1
    ;;
    esac

  done

  if [ $I4L -gt 0 ]
  then
    echo "Killing ipppd(s)..."
    killall -9 ipppd
  fi
  
  # remove lock file
  rm $STATUS

  # extra stop commands (define in $BASE)
  Con_Stop

# === Until here! =========================================================

  ;;
*)
  echo "Usage: $0 {start|stop}"
  exit 1
;;
esac