#!/bin/sh
# copyright 2003 Alexey Toptygin <alexeytATfreeshell.org>
#
# chkconfig: 2345 46 69
# description: prepares static policy routes
#
# customized for CHANGEME

. /etc/init.d/functions

# list of all custom tables you use (remember to update rt_tables)
TABLES=''

if [ ! -x /sbin/ip ]; then {
	echo "iproute: could not find /sbin/ip !!!";
	exit 1;
} fi

# check that the needed tables are known by iproute
for i in $TABLES; do {
	if [ " $i" != " main" ]; then {
		foo=`grep -v "^\w*#" /etc/iproute2/rt_tables | grep -c $i`
		if [ $foo != 1 ]; then {
			echo "iproute: could not find table $i, quitting"
			exit 1
		} fi
	} fi
} done

if [ `id -u` -ne 0 ]; then {
	echo "iproute: must be superuser"
	exit 1
} fi

start() {
	rules=`ip rule ls | egrep -v "^(0|32766|32767):" | cut -d ':' -f 1`
	echo -n "Removing user defined rules: "
		error=
		for i in $rules; do {
			ip rule del prio $i || error=1
		} done
		[ $error ] && failure "Removing user defined rules: " || \
		success "Removing user defined rules: "
	echo

	echo -n "Flushing user defined route tables: "
		error=
		for i in $TABLES; do {
			ip route flush table $i || error=1
		} done
		[ $error ] && failure "Flushing user defined route tables: " || \
		success "Flushing user defined route tables: "
	echo

	echo -n "Adding rules and routes: "
		# add rules and routes here like so:
		ip route add default via 10.0.0.1 dev eth0 && \

		success "Adding rules and routes: " || \
		failure "Adding rules and routes: "
	echo

	echo -n "Flushing route cache: "
		ip route flush cache && \
		success "Flushing route cache: " || \
		failure "Flushing route cache: "
	echo
}

stop() {
	rules=`ip rule ls | egrep -v "^(0|32766|32767):" | cut -d ':' -f 1`
	echo -n "Removing user defined rules: "
		error=
		for i in $rules; do {
			ip rule del prio $i || error=1
		} done
		[ $error ] && failure "Removing user defined rules: " || \
		success "Removing user defined rules: "
	echo

	echo -n "Flushing user defined route tables: "
		error=
		for i in $TABLES; do {
			ip route flush table $i || error=1
		} done
		[ $error ] && failure "Flushing user defined route tables: " || \
		success "Flushing user defined route tables: "
	echo

	echo -n "Flushing route cache: "
		ip route flush cache && \
		success "Flushing route cache: " || \
		failure "Flushing route cache: "
	echo
}

status() {
	echo "	Rules:"
	ip rule ls
	echo
	echo "	Table main:"
	ip route ls
	echo
	for i in $TABLES; do {
		echo "	Table $i:"
		ip route ls table $i
		echo
	} done
}

case "$1" in
	start) start;;
	stop) stop;;
	restart) start;;
	status) status;;
	*) echo "Usage: $0 {start|stop|restart|status}";;
esac

exit 0