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

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

if [ "$1" != daemon ] ; then
  # just in case a full path to the configuration file is passed in
  ifcfg=$(basename $1)
  shift
  # let ppp-watch do the right thing
  exec /sbin/ppp-watch "$ifcfg" "$@"
fi
shift

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

CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$1
source_config

if [ -z "$DISCONNECTTIMEOUT" ]; then
  DISCONNECTTIMEOUT=2
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-ppp \
    "/usr/sbin/pppd does not exist or is not executable for $DEVICE"
  exit 1
}

[ -n "$WVDIALSECT" -o -f /etc/sysconfig/network-scripts/chat-$DEVICE ] || {
  echo "/etc/sysconfig/network-scripts/chat-$DEVICE does not exist"
  echo "ifup-ppp for $DEVICE exiting"
  logger -p daemon.info -t ifup-ppp \
    "/etc/sysconfig/network-scripts/chat-$DEVICE does not exist for $DEVICE"
  exit 1
}

opts="lock"
if [ "${HARDFLOWCTL}" != no ] ; then
  opts="$opts modem crtscts"
fi
if [ "${ESCAPECHARS}" != yes ] ; then
  opts="$opts asyncmap 00000000"
fi
if [ "${DEFROUTE}" != no ] ; then
  # pppd will no longer delete an existing default route
  # so we have to help it out a little here.
  route del default >/dev/null 2>&1
  opts="$opts defaultroute"
fi
if [ "${PEERDNS}" != no ] ; then
  opts="$opts usepeerdns"
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 user ${PAPNAME} remotename ${DEVNAME}"
fi
if [ "${DEBUG}" = yes ] ; then
  opts="$opts debug"
  chatdbg="-v"
fi

if [ -z "$WVDIALSECT" ] ; then
  CHATSCRIPT=/etc/sysconfig/network-scripts/chat-$DEVNAME
  [ -f $CHATSCRIPT ] || {
    CHATSCRIPT=/etc/sysconfig/network-scripts/chat-$PARENTDEVNAME
  }
else
  CHATSCRIPT=
fi

(logger -p daemon.info -t ifup-ppp \
  "pppd started for $DEVICE on $MODEMPORT at $LINESPEED" &)&

if [ -n "$WVDIALSECT" ] ; then
  exec /usr/sbin/pppd -detach $opts $MODEMPORT $LINESPEED \
    ipparam $DEVICE linkname $DEVICE \
    noauth \
    ${PPPOPTIONS} \
    connect "/usr/bin/wvdial --remotename $DEVICE --chat $WVDIALSECT"
else
  exec /usr/sbin/pppd -detach $opts $MODEMPORT $LINESPEED \
    ipparam $DEVICE linkname $DEVICE \
    noauth \
    ${PPPOPTIONS} \
    connect "/usr/sbin/chat $chatdbg -f $CHATSCRIPT"
fi