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|
#! /bin/sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/radvd
NAME=radvd
DESC=radvd
CONFIG=/etc/radvd.conf
SAVED_SETTINGS=/var/run/radvd/saved-settings
PIDFILE=/var/run/radvd/radvd.pid
OPTIONS="-u radvd -p $PIDFILE"
test -x $DAEMON || exit 0
set -e
# Check for IPv6 support in kernel
if test \! -e /proc/sys/net/ipv6; then
echo "IPv6 support must be enabled in the kernel for $DESC to work."
exit
fi
save_settings()
{
local file=$1
rm -f $file
for if_conf in /proc/sys/net/ipv6/conf/*; do
echo -e "$if_conf/forwarding\t `cat $if_conf/forwarding`" >> $file
done
return 0
}
restore_settings()
{
file=$1
if [ ! -f $file ]; then
echo "$0: warning: cannot restore settings"
return
fi
(
while read f value; do
if [ -w $f ]; then
echo $value > $f
fi
done
) < $file
}
chkconfig() {
if [ ! -e $CONFIG -o ! -s $CONFIG ]; then
echo ""
echo "* $CONFIG does not exist or is empty."
echo "* See /usr/share/doc/radvd/examples/simple-radvd.conf for a simple"
echo "* configuration suitable for most systems, and radvd.conf(5)"
echo "* for configuration file syntax. radvd will *not* be started."
exit 0
fi
}
case "$1" in
start)
echo -n "Starting $DESC: "
chkconfig
save_settings $SAVED_SETTINGS
# We must enable IPv6 forwarding for radvd to work
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
# Check for stale pidfile; radvd won't start if one is lying around
if [ -f $PIDFILE ] && ! ps `cat $PIDFILE` > /dev/null; then
rm -f $PIDFILE
fi
if ! start-stop-daemon --oknodo --start --pidfile $PIDFILE \
--exec $DAEMON -- $OPTIONS; then
echo "failed." && exit 1
fi
echo "$NAME."
;;
stop)
echo -n "Stopping $DESC: "
start-stop-daemon --oknodo --stop --pidfile $PIDFILE \
--exec $DAEMON
restore_settings $SAVED_SETTINGS
rm -f $SAVED_SETTINGS
echo "$NAME."
;;
reload|force-reload)
echo "Reloading $DESC configuration files."
start-stop-daemon --stop --signal HUP --quiet --pidfile \
$PIDFILE --exec $DAEMON
;;
restart)
chkconfig
echo -n "Restarting $DESC: "
if ! start-stop-daemon --stop --quiet --pidfile \
$PIDFILE --exec $DAEMON; then
# stop failed, so we were not running
save_settings $SAVED_SETTINGS
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
fi
sleep 1
start-stop-daemon --start --quiet --pidfile \
$PIDFILE --exec $DAEMON -- $OPTIONS
echo "$NAME."
;;
*)
N=/etc/init.d/$NAME
echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
exit 1
;;
esac
exit 0
|
