NetBSD/etc/rc.d/named

#!/bin/sh
#
# $NetBSD: named,v 1.7 2001/03/12 16:08:38 lukem Exp $
#

# PROVIDE: named
# REQUIRE: SERVERS

. /etc/rc.subr

name="named"
rcvar=$name
command="/usr/sbin/${name}"
pidfile="/var/run/${name}.pid"
start_precmd="named_precmd"
extra_commands="reload"
required_dirs="$named_chrootdir"	# if it is set, it must exist

named_precmd()
{
	if [ -z "$named_chrootdir" ]; then
		return 0;
	fi

	# If running in a chroot cage, ensure that the appropriate files
	# exist inside the cage, as well as helper symlinks into the cage 
	# from outside.
	#
	# As this is called after the is_running and required_dir checks
	# are made in run_rc_command(), we can safely assume ${named_chrootdir}
	# exists and named isn't running at this point (unless forcestart
	# is used).
	#

	if [ ! -x "${named_chrootdir}/usr/libexec/named-xfer" -o \
	    "${named_chrootdir}/usr/libexec/named-xfer" -ot \
	    /usr/libexec/named-xfer ]; then
		rm -f "${named_chrootdir}/usr/libexec/named-xfer"
		cp -p /usr/libexec/named-xfer "${named_chrootdir}/usr/libexec"
	fi
	if [ ! -c "${named_chrootdir}/dev/null" ]; then
		rm -f "${named_chrootdir}/dev/null"
		( cd /dev ; /bin/pax -rw -pe null "${named_chrootdir}/dev" )
	fi
	if [ -f /etc/localtime ]; then
		cmp -s /etc/localtime "${named_chrootdir}/etc/localtime" || \
		    cp -p /etc/localtime "${named_chrootdir}/etc/localtime"
	fi
	if [ ! -h /var/run/named.pid ]; then
		rm -f /var/run/named.pid
		ln -s '../../'"${named_chrootdir}/var/run/named.pid" \
		    /var/run/named.pid
	fi
	if [ ! -h /var/run/ndc ]; then
		rm -f /var/run/ndc
		ln -s '../../'"${named_chrootdir}/var/run/ndc" /var/run/ndc
	fi

	#	Change run_rc_commands()'s internal copy of $named_flags
	#
	_flags="-u named -g named -t ${named_chrootdir} $_flags"
}

load_rc_config $name
run_rc_command "$1"