resolv revision 174464 
1#!/bin/sh
2#
3# Copyright (c) 1999  Matt Dillon
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: head/etc/rc.d/resolv 174464 2007-12-08 23:00:28Z dougb $
28#
29
30# PROVIDE: resolv
31# REQUIRE: netif
32# KEYWORD: nojail
33
34. /etc/rc.subr
35
36name="resolv"
37stop_cmd=':'
38
39load_rc_config $name
40
41# if the info is available via dhcp/kenv
42# build the resolv.conf
43#
44if [ ! -e /etc/resolv.conf -a \
45    -n "`/bin/kenv dhcp.domain-name-servers 2> /dev/null`" ]; then
46	> /etc/resolv.conf
47
48	if [ -n "`/bin/kenv dhcp.domain-name 2> /dev/null`" ]; then
49		echo domain `/bin/kenv dhcp.domain-name` > /etc/resolv.conf
50	fi
51
52	set -- `/bin/kenv dhcp.domain-name-servers`
53	for ns in `IFS=','; echo $*`; do
54		echo nameserver $ns >> /etc/resolv.conf;
55	done
56fi
57
58