#!/bin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License").  You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
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# CDDL HEADER END
#
#
#ident	"%Z%%M%	%I%	%E% SMI"
#
# Copyright (c) 1996, by Sun Microsystems, Inc.
# All rights reserved.
#
# Script to examine hosts file and make "magic" entries for
# those hosts that have multiple IP addresses.
#
#

MAKEDBM=/usr/sbin/makedbm
STDHOSTS=/usr/lib/netsvc/yp/stdhosts
MULTIAWK=/usr/lib/netsvc/yp/multi.awk
MAP="hosts.byname"

USAGE="Usage: multi [-b] [-l] [-s] [-n] [hosts file]
Where:
	-b	Add YP_INTERDOMAIN flag to hosts map
	-l	Convert keys to lower case before creating map
	-s	Add YP_SECURE flag to hosts map
	-n	Add IPv6 and IPv4 host addresses to ipnodes map

	hosts file defaults to /etc/hosts"

while getopts blsn c
do
    case $c in
	b)	BFLAG=-b;;
	l)	LFLAG=-l;;
	s)	SFLAG=-s;;
	n)	NFLAG=-n;;
	\?)	echo "$USAGE"
		exit 2;;
    esac
done

if [ "$NFLAG" = "-n" ]
then
	MAP="ipnodes.byname"
fi

shift `expr $OPTIND - 1`

if [ "$1" ]
then
    HOSTS=$1
elif [ "$NFLAG" = "-n" ]
then
    HOSTS=/etc/inet/ipnodes
else
    HOSTS=/etc/hosts
fi

if [ "$HOSTS" = "-" ]
then
    unset HOSTS
fi

cd /var/yp/`domainname` && \
    sed -e '/^[ 	]*$/d' -e '/^#/d' -e 's/#.*$//' $HOSTS | \
    $STDHOSTS $NFLAG | \
    $MULTIAWK - | \
    $MAKEDBM $BFLAG $LFLAG $SFLAG - $MAP