FreeBSD-5.3/etc/rc.d/resolv

#!/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
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#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# 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
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# $FreeBSD: src/etc/rc.d/resolv,v 1.33.2.1 2004/10/10 09:50:54 mtm Exp $
#

# PROVIDE: resolv
# REQUIRE: initdiskless rcconf
# KEYWORD: nojail

. /etc/rc.subr

name="resolv"

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
	/bin/cat /dev/null > /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
fi