#!/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

CONFIG=$1
source_config

if [ -z "$DISCONNECTTIMEOUT" ]; then
  DISCONNECTTIMEOUT=15
fi

if [ -z "$RETRYTIMEOUT" ]; then
  RETRYTIMEOUT=30
fi

if [ "$2" = "boot" -a "${ONBOOT}" = "no" ]; then
  exit
fi

[ -x /usr/sbin/pppd ] || {
  echo "/usr/sbin/pppd does not exist or is not executable"
  echo "ifup-ppp for $DEVICE exiting"
  logger -p daemon.info -t ifup-pppoe \
    "/usr/sbin/pppd does not exist or is not executable for $DEVICE"
  exit 1
}

if [ ! -n "$PPPOEDEVICE" -o "x$PPPOEDEVICE" = "x" ]; then
    PPPOEDEVICE=eth0
fi

while : ; do

  if [ ! -n "${PPPPID}" -o ! -d "/proc/${PPPPID}" ]; then
    (logger -p daemon.info -t ifup-pppoe \
	"pppoed started" &)&

    echo $PPPDEVICE > /var/run/ppp-$PPPDEVICE.dev
    /usr/sbin/pppoed  -I $PPPOEDEVICE $PPPOEOPTIONS
    sleep 10
    PPPPID=`cat /var/run/$PPPDEVICE.pid`
  fi

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

  size=`wc -c < /var/run/ppp-$PPPDEVICE.dev`

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

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

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

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