#!/bin/sh
#
# $NetBSD: named-bootconf.sh,v 1.3 1998/10/05 21:37:18 tron Exp $
#
# Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Matthias Scheler.
#
# 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.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the NetBSD
#	Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.

if [ ${OPTIONFILE-X} = X ]
then
 OPTIONFILE=/tmp/.options.`date +%s`.$$
 ZONEFILE=/tmp/.zones.`date +%s`.$$
 export OPTIONFILE ZONEFILE
 touch $OPTIONFILE $ZONEFILE
 DUMP=1
else
 DUMP=0
fi

while read CMD ARGS
do
 case $CMD in
 \; )
  echo // $ARGS
  ;;
 cache )
  set - X $ARGS
  shift
  if [ $# -eq 2 ]
  then
   (echo ""
    echo "zone \"$1\" {"
    echo "	type hint;"
    echo "	file \"$2\";"
    echo "};") >>$ZONEFILE
  fi
  ;;
 directory )
  set - X $ARGS
  shift
  if [ $# -eq 1 -a -d $1 ]
  then
   echo "	directory \"$1\";" >>$OPTIONFILE
   DIRECTORY=$1
   export DIRECTORY
  fi
  ;; 
 forwarders )
  (echo "	forwarders {"
   for ARG in $ARGS
   do
    echo "		$ARG;"
   done
   echo "	};") >>$OPTIONFILE
  ;;
 include )
  if [ "$ARGS" != "" ]
  then
   (cd ${DIRECTORY-.}; cat $ARGS) | $0
  fi
  ;;
 limit )
  set - X $ARGS
  shift
  if [ $# -eq 2 ]
  then
   case $1 in
    datasize | files | transfers-in | transfers-per-ns )
    echo "	$1 $2;" >>$OPTIONFILE
    ;;
   esac
  fi
  ;;
 options )
  for ARG in $ARGS
  do
   case $ARG in
   fake-iquery )
    echo "	fake-iquery yes;" >>$OPTIONFILE
    ;;
   forward-only )
    echo "	forward only;" >>$OPTIONFILE
    ;;
   no-fetch-glue )
    echo "	fetch-glue no;" >>$OPTIONFILE
    ;;
   no-recursion )
    echo "	recursion no;" >>$OPTIONFILE
    ;;
   esac
  done
  ;;
 primary )
  set - X $ARGS
  shift
  if [ $# -eq 2 ]
  then
   (echo ""
    echo "zone \"$1\" {"
    echo "	type master;"
    echo "	file \"$2\";"
    echo "};") >>$ZONEFILE
  fi
  ;;
 secondary )
  set - X $ARGS
  shift
  if [ $# -gt 2 ]
  then
   ZONE=$1
   shift
   PRIMARIES=$1
   while [ $# -gt 2 ]
   do
    shift
    PRIMARIES="$PRIMARIES $1"
   done
   (echo ""
    echo "zone \"$ZONE\" {"
    echo "	type slave;"
    echo "	file \"$2\";"
    echo "	masters {"
    for PRIMARY in $PRIMARIES
    do
     echo "		$PRIMARY;"
    done
    echo "	};"
    echo "};") >>$ZONEFILE
  fi
  ;;
 slave )
  echo "	forward only;" >>$OPTIONFILE
  ;;
 sortlist )
  (echo "	topology {"
   for ARG in $ARGS
   do
    case $ARG in
    *.0.0.0 )
     echo "		$ARG/8;"
     ;;
    *.0.0 )
     echo "		$ARG/16;"
     ;;
    *.0 )
     echo "		$ARG/24;"
     ;;
    * )
     echo "		$ARG;"
     ;;
    esac
   done
   echo "	};") >>$OPTIONFILE
  ;;
 tcplist | xfrnets )
  (echo "	allow-transfer {"
   for ARG in $ARGS
   do
    case $ARG in
    *.0.0.0 )
     echo "		$ARG/8;"
     ;;
    *.0.0 )
     echo "		$ARG/16;"
     ;;
    *.0 )
     echo "		$ARG/24;"
     ;;
    * )
     echo "		$ARG;"
     ;;
    esac
   done
   echo "	};") >>$OPTIONFILE
  ;;
 esac
done

if [ $DUMP -eq 1 ]
then
 if [ -s $OPTIONFILE ]
 then
  echo ""
  echo "options {"
  cat $OPTIONFILE
  echo "};"
 fi
 cat $ZONEFILE

 rm -f $OPTIONFILE $ZONEFILE
fi

exit 0