#!/bin/sh
#***********************************************************************
#
#       pppoe-ip-addr
#
#       set/clear wan ip address
#
#***********************************************************************
CONF=/etc/ppp/pppoe.conf
IPADDR=""

if [ $# -eq 1 ]; then
	IPADDR=$1
fi

# file lock
exec 9>>$CONF
flock 9
if [ $? -eq 0 ] ; then

	# set to pppoe.conf
	cp $CONF $CONF-bak
	sed -e "s&^FIX_IPADDR=.*&FIX_IPADDR=$IPADDR&" < $CONF-bak > $CONF

	# file unlock
	flock -u 9

	exit 0
else
	exit 1
fi
