#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/mod/sbin:/mod/bin:/mod/usr/sbin:/mod/usr/bin
export LD_LIBRARY_PATH=/mod/lib

DAEMON=pppd

case "$1" in
	""|load|start|restart)
		if [ ! -r "/mod/etc/conf/$DAEMON.cfg" ]; then
			echo "Error[$DAEMON]: not configured" 1>&2
			exit 1
		fi

		. /mod/etc/conf/$DAEMON.cfg
		;;
esac

start() {
	[ ! -e "/mod/etc/ppp/chap-secrets" ] && /etc/default.${DAEMON}/chap_secrets > /mod/etc/ppp/chap-secrets
	[ ! -e "/mod/etc/ppp/options" ] && /etc/default.${DAEMON}/pppd_options > /mod/etc/ppp/options
	[ ! -e "/mod/etc/ppp/pap-secrets" ] && /etc/default.${DAEMON}/pap_secrets > /mod/etc/ppp/pap-secrets
	[ ! -e "/mod/etc/ppp/options.pptp" ] && /etc/default.${DAEMON}/pptp_options > /mod/etc/ppp/pptp_options
	[ ! -e "/mod/etc/ppp/peers/pptp" ] && /etc/default.${DAEMON}/pptp_peer > /mod/etc/ppp/peers/pptp
	
	echo -n 'Starting pppd...'
	set -o noglob
	modprobe ppp_async
	$DAEMON -p $PPPD_OPTIONS
	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

stop() {
	echo -n 'Stopping pppd...'
	rmmod ppp_async
	rmmod ppp_generic
	rmmod slhc
	rmmod crc_ccitt
	killall $DAEMON > /dev/null 2>&1
	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

case "$1" in
	""|load)
		[ ! -d "/tmp/flash/ppp" ] && mkdir -p /tmp/flash/ppp/peers
		[ ! -d "/mod/etc/ppp/peers" ] && mkdir -p /mod/etc/ppp/peers
		[ -e "/tmp/flash/ppp/chap-secrets" ] && ln -s /tmp/flash/ppp/chap-secrets /mod/etc/ppp/chap-secrets
		[ -e "/tmp/flash/ppp/options" ] && ln -s /tmp/flash/ppp/pppd_options /mod/etc/ppp/options
		[ -e "/tmp/flash/ppp/pap-secrets" ] && ln -s /tmp/flash/ppp/pap_secrets /mod/etc/ppp/pap-secrets
		[ -e "/tmp/flash/ppp/options.pptp" ] && ln -s /tmp/flash/ppp/pptp_options /mod/etc/ppp/pptp_options
		[ -e "/tmp/flash/ppp/peers/pptp" ] && ln -s /tmp/flash/ppp/peers/pptp_peer /mod/etc/ppp/peers/pptp
		modreg cgi 'pppd' 'Pppd'
#		deffile='/mod/etc/default.pppd/chap_secrets.def'
#		[ -r "/tmp/flash/chap_secrets.def" ] && deffile='/tmp/flash/chap_secrets.def'
#		modreg file 'chap_secrets' 'chap_secrets' 0 "$deffile"
#		deffile='/mod/etc/default.pppd/pppd_options.def'
#		[ -r "/tmp/flash/pppd_options.def" ] && deffile='/tmp/flash/pppd_options.def'
#		modreg file 'pppd_options' 'Options (PPPD)' 0 "$deffile"
#		deffile='/mod/etc/default.pppd/pap_secrets.def'
#		[ -r "/tmp/flash/pap_secrets.def" ] && deffile='/tmp/flash/pap_secrets.def'
#		modreg file 'pap_secrets' 'pap_secrets' 0 "$deffile"
#		deffile='/mod/etc/default.pppd/pptp_options.def'
#		[ -r "/tmp/flash/pptp_options.def" ] && deffile='/tmp/flash/pptp_options.def'
#		modreg file 'pptp_options' 'options.pptp' 0 "$deffile"
#		deffile='/mod/etc/default.pppd/pptp_peer.def'
#		[ -r "/tmp/flash/pptp_peer.def" ] && deffile='/tmp/flash/pptp_peer.def'
#		modreg file 'pptp_peer' 'PPTP Config' 0 "$deffile"
		
		if [ "$PPPD_ENABLED" != "yes" ]; then
			echo "$DAEMON is disabled" 1>&2
			exit 1;
		fi

		start
		;;
	unload)
		stop
		modunreg cgi 'pppd'
#		modunreg file 'chap_secrets'
#		modunreg file 'pppd_options'
#		modunreg file 'pap_secrets'
#		modunreg file 'pptp_options'
#		modunreg file 'pptp_peer'
		;;
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		stop
		sleep 1
		start
		;;
	status)
		if [ -z "$(pidof "$DAEMON")" ]; then
			echo 'stopped'
		else
			echo 'running'
		fi
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|status]" 1>&2
		exit 1
		;;
esac

exit 0