FreeNAS Code

78 lines (69 with data), 2.7 kB

#!/bin/sh
#
# Copyright (c) 1999  Matt Dillon
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD: src/etc/rc.d/resolv,v 1.37.2.1.4.1 2009/04/15 03:14:26 kensmith Exp $
#
# Modified by Volker Theile (votdev@gmx.de)
#

# PROVIDE: resolv
# REQUIRE: netif
# KEYWORD: nojail

. /etc/rc.subr
. /etc/configxml.subr

name="resolv"
stop_cmd=':'

load_rc_config $name

# if the info is available via dhcp/kenv
# build the resolv.conf
#
if [ ! -e /etc/resolv.conf -a \
	-n "`/bin/kenv dhcp.domain-name-servers 2> /dev/null`" ]; then
		> /etc/resolv.conf

		if [ -n "`/bin/kenv dhcp.domain-name 2> /dev/null`" ]; then
			echo domain `/bin/kenv dhcp.domain-name` > /etc/resolv.conf
		fi

		set -- `/bin/kenv dhcp.domain-name-servers`
		for ns in `IFS=','; echo $*`; do
			echo nameserver $ns >> /etc/resolv.conf;
		done
else
	# Update resolv.conf if DHCP is not configured. Use configuration values from config.xml.
	_ipaddress=`configxml_get "//interfaces/lan/ipaddr"`
	if [ "dhcp" != "${_ipaddress}" ]; then
		echo "Updating resolv.conf."

		# Set the domain, IP4 and IP6 DNS servers.
		/usr/local/bin/xml sel -t -o "domain " -v "//system/domain" -n \
			-m "//system/dnsserver" \
				-i "string-length() > 0" -o "nameserver " -v "." -n -b \
			-b \
			-i "count(//interfaces/*[enable]/ipv6_enable) > 0" \
				-m "//system/ipv6dnsserver" \
					-i "string-length() > 0" -o "nameserver " -v "." -n -b \
				-b \
			-b \
			${configxml_file} | /usr/local/bin/xml unesc > /etc/resolv.conf
	fi
fi