#!/bin/sh
PATH=/sbin:/usr/sbin:/bin:/usr/bin

# ifup-post for PPP is handled through /etc/ppp/ip-up

if [ "$1" != daemon ] ; then
  # disconnect stdin, out, err to disassociate from controlling tty
  # so that no HUPs will get through.
  $0 daemon $*& </dev/null >/dev/null 2>/dev/null
  exit 0
fi
shift

cd /etc/sysconfig/network-scripts
. network-functions

# Get all the settings from the ifcfg-ippp0 or ifcfg-ippp(0-63)
# file.
# 
CONFIG=$1
source_config

# Setting from ifcfg-ippp0 file
# 
if [ "$2" = "boot" -a "${ONBOOT}" = "no" ]; then
  exit
fi


# Check to see if the isdn ipppd binary exists
# 
[ -x /sbin/ipppd ] || {
  echo "/sbin/pppd does not exist or is not executable"
  echo "ifup-ppp for $DEVICE exiting"
  logger -p daemon.info -t ifup-ppp \
    "/sbin/pppd does not exist or is not executable for $DEVICE"
  exit 1
}


# Anything I REM'ed out was for pppd (MODEM) specific
# 
opts="lock"
if [ "${DEFROUTE}" = yes ] ; then
  opts="$opts defaultroute"
fi
if [ -n "${MRU}" ] ; then
  opts="$opts mru ${MRU}"
fi
if [ -n "${MTU}" ] ; then
  opts="$opts mtu ${MTU}"
fi
if [ -n "${IPADDR}${REMIP}" ] ; then
  # if either IP address is set, the following will work.
  opts="$opts ${IPADDR}:${REMIP}"
fi
if [ -n "${PAPNAME}" ] ; then
  opts="$opts name ${PAPNAME}"
fi

#if [ "${DEBUG}" = yes ] ; then
#  opts="$opts debug"
#  chatdbg="-v"
#fi

while : ; do
  (logger -p daemon.info -t ifup-ippp \
    "ipppd started for $DEVICE on ISDN" &)&

  > /var/run/ippp-$DEVICE.dev
  /sbin/ipppd -detach $opts \
    remotename $DEVICE ipparam $DEVICE \
    file /etc/ppp/ioptions 

#    connect "/sbin/isdnctrl dial ippp0"
  # exit if we're not supposed to persist or our lock file has disappeared 
#  if [ "$PERSIST" != "yes" -o ! -f /var/run/ippp-$DEVICE.dev ]; then
#    rm -f /var/run/ippp-$DEVICE.dev
#    exit 0
#  fi

#  dial ippp0
# hangup ippp0

  size=`wc -c < /var/run/ippp-$DEVICE.dev`

  if [ $size = 0 ]; then
    # ipppd never connected
    timeout=$RETRYTIMEOUT
  else
    # ipppd connected and then disconnected
    timeout=$DISCONNECTTIMEOUT
  fi

  [ -z "$timeout" ] && {
    timeout=30
  }

  sleep $timeout || {
    # sleep was killed
    rm -f /var/run/ippp-$DEVICE.dev
    exit 0
  }

  # exit if our lock file disappeared while we slept
  if [ ! -f /var/run/ippp-$DEVICE.dev ]; then
    exit 0
  fi
done