#! /bin/sh
#
#	$NetBSD: ipf2netbsd,v 1.4 2000/05/21 18:37:27 veego Exp $
#
# Copyright (c) 1999 The NetBSD Foundation, Inc.
# 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.
# 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.
#
# ipf2netbsd:  convert a ipf source tree into a netbsd ipf source tree,
# under basesrc/dist/ipf, syssrc/sys/netinet and syssrc/sys/lkm/netinet/if_ipl

if [ $# -ne 2 ]; then echo "ipf2netbsd src dest"; exit 1; fi

r=$1
dest=$2

case "$dest" in
	/*)
		;;
	*)
		dest=`/bin/pwd`/$dest
		;;
esac

dbase=$dest/basesrc/dist/ipf
dsys=$dest/syssrc/sys/netinet
dlkm=$dest/syssrc/sys/lkm/netinet/if_ipl

case "$r" in
	/*)
		;;
	*)
		r=`/bin/pwd`/$r
		;;
esac

echo preparing directory $dbase, $dsys and $dlkm
rm -rf $dbase $dsys $dlkm

### Copy the files and directories
mkdir -p $dbase $dsys $dlkm
cd $r
pax -rvw . $dbase
pax -rvw fil.c ip_auth.c ip_auth.h ip_compat.h ip_fil.c ip_fil.h ip_frag.c ip_frag.h ip_ftp_pxy.c ip_log.c ip_nat.c ip_nat.h ip_proxy.c ip_proxy.h ip_raudio_pxy.c ip_rcmd_pxy.c ip_state.c ip_state.h ipl.h $dsys
pax -rvw mln_ipl.c $dlkm
cd $dbase/man
# The ipnat(1) manpage belongs into section 8
if [ -f ipnat.1 -a ! -f ipnat.8 ]; then
	mv ipnat.1 ipnat.8
fi

### Remove the $'s around the Id:
find $dest -type f -print | while read f; do
	sed -e ' s/\$\(Id.*\) \$/\1/' < $f > /tmp/ipf2f$$ && mv /tmp/ipf2f$$ $f && \
	echo removed \$Id tag from $f
done

### Add our NetBSD RCS Id
find $dest -type f -name '*.[chly]' -print | while read c; do
	sed 1q < $c | grep -q '\$NetBSD' || (
echo "/*	\$NetBSD\$	*/" >/tmp/ipf2n$$
echo "" >>/tmp/ipf2n$$
cat $c  >> /tmp/ipf2n$$
mv /tmp/ipf2n$$ $c && echo added RCS tag to $c
	)
done

find $dest -type f -name '*.[0-9]' -a \! -name 'example.*' -print | while read m; do
	sed 1q < $m | grep -q '\$NetBSD' || (
echo ".\\\"	\$NetBSD\$" >/tmp/ipf2m$$
echo ".\\\"" >>/tmp/ipf2m$$
	cat $m >> /tmp/ipf2m$$
	mv /tmp/ipf2m$$ $m && echo added RCS tag to $m
	)
done

find $dest -type f -name 'example.*' -print | while read e; do
	sed 1q < $e | grep -q '\$NetBSD' || (
echo "#	\$NetBSD\$" >/tmp/ipf2e$$
	cat $e >> /tmp/ipf2e$$
	mv /tmp/ipf2e$$ $e && echo added RCS tag to $e
	)
done

echo done

### Clean up any CVS directories that might be around.
echo "cleaning up CVS residue."
(
	cd $dest
	find . -type d -name "CVS" -print | xargs rm -r
)
echo done

### Fixing file and directory permissions.
echo "Fixing file/directory permissions."
(
	cd $dest
	find . -type f -print | xargs chmod u+rw,go+r
	find . -type d -print | xargs chmod u+rwx,go+rx
)
echo done

exit 0