#! /bin/sh
#
#	$NetBSD: ipf2netbsd,v 1.21 2008/04/30 13:10:47 martin 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.
#
# 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 src/dist/ipf, src/sys/dist/ipf/netinet, src/sys/lkm/netinet/if_ipl
# and src/regress/sys/kern/ipf

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

r=$1
dest=$2

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

dbase=$dest/src/dist/ipf
dsys=$dest/src/sys/dist/ipf/netinet
dlkm=$dest/src/sys/lkm/netinet/if_ipl
dregress=$dest/src/regress/sys/kern/ipf

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

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

### Copy the files and directories
mkdir -p $dbase $dsys $dlkm $dregress
cd $r
pax -rvw . $dbase
pax -rvw \
	fil.c \
	ip_auth.c \
	ip_auth.h \
	ip_compat.h \
	ip_fil.h \
	ip_fil_netbsd.c \
	ip_frag.c \
	ip_frag.h \
	ip_ftp_pxy.c \
	ip_h323_pxy.c \
	ip_htable.c \
	ip_htable.h \
	ip_ipsec_pxy.c \
	ip_irc_pxy.c \
	ip_log.c \
	ip_lookup.c \
	ip_lookup.h \
	ip_nat.c \
	ip_nat.h \
	ip_netbios_pxy.c \
	ip_pool.c \
	ip_pool.h \
	ip_pptp_pxy.c \
	ip_proxy.c \
	ip_proxy.h \
	ip_raudio_pxy.c \
	ip_rcmd_pxy.c \
	ip_rpcb_pxy.c \
	ip_scan.c \
	ip_scan.h \
	ip_state.c \
	ip_state.h \
	ip_sync.c \
	ip_sync.h \
	ipl.h \
	$dsys
pax -rvw mln_ipl.c $dlkm
cd $r/test
pax -rvw * $dregress

### Remove the $'s around various RCSIDs
find $dest -type f -print | while read f; do
	sed -e 's/\$\(Id.*\) \$/\1/' \
	    -e 's/\$\(Header.*\) \$/\1/' \
	    $f > /tmp/ipf2f$$ && mv /tmp/ipf2f$$ $f && \
	echo removed RCS 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.*' -a \! -name 'ipv6.*' -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