#! /bin/sh

#   Copyright (c) 1999-2001  Jason Gunthorpe <jgg@debian.org>
#   Copyright (c) 2002-2003,2006  Ryan Murray <rmurray@debian.org>
#   Copyright (c) 2004-2005  Joey Schulze <joey@infodrom.org>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

set -e

# Without effect on the commandline
if [ -z "$TERM" -o "$TERM" = "dumb" ]
then
    exec > /dev/null 2>&1
else
    verbose=-v
fi

PATH=/sbin:/usr/sbin:/bin:/usr/bin
export PATH
HOST=`hostname -f`
SYNCHOST=`ud-config synchost`;
LOCALSYNCON=`ud-config localsyncon`;
cd /tmp/
cd /var/lib/misc || cd /var/state/glibc/ || cd /var/db/
lockfile -r 1 -l 3600 lock
trap "rm -f lock" exit

case $HOST in
*$LOCALSYNCON*)
    udhost=
    ;;
*)
    udhost="sshdist@$SYNCHOST:"
    ;;
esac

rsync ${verbose} -e ssh -rp "${udhost}/var/cache/userdir-ldap/hosts/$HOST" .

makedb "$HOST/passwd.tdb" -o passwd.db.t
if [ -s "$HOST/shadow.tdb" ]
then
    (umask 027 && makedb "$HOST/shadow.tdb" -o shadow.db.t)
    chown root.shadow shadow.db.t
    chmod 0640 shadow.db.t
    mv -f shadow.db.t shadow.db
fi
makedb "$HOST/group.tdb" -o group.db.t
mv -f passwd.db.t passwd.db
mv -f group.db.t group.db
for a in $HOST/ssh-rsa-shadow $HOST/ssh_known_hosts; do
	ln -sf $a .
done
ln -sf `pwd -P`/ssh-rsa-shadow /etc/ssh
ln -sf `pwd -P`/ssh_known_hosts /etc/ssh

if [ -x /usr/bin/dchroot ]; then
	CHROOTS=`dchroot --listpaths`
	for c in $CHROOTS; do
		if [ -x "$c/usr/bin/makedb" ]
		then

			test ! -d "$c/var/lib/misc/$HOST" || mkdir -p "$c/var/lib/misc/$HOST"

			rsync -a ${verbose} $HOST/group.tdb $HOST/passwd.tdb $HOST/ssh* "$c/var/lib/misc/$HOST"

			test ! -f "$c/var/lib/misc/$HOST/shadow.tdb" || rm -f "$c/var/lib/misc/$HOST/shadow.tdb"
			test ! -f "$c/var/lib/misc/shadow.db" || rm -f "$c/var/lib/misc/shadow.db"

			chroot "$c" makedb "/var/lib/misc/$HOST/passwd.tdb" -o /var/lib/misc/passwd.db.t
			chroot "$c" makedb "/var/lib/misc/$HOST/group.tdb" -o /var/lib/misc/group.db.t
			mv -f "$c/var/lib/misc/passwd.db.t" "$c/var/lib/misc/passwd.db"
			mv -f "$c/var/lib/misc/group.db.t" "$c/var/lib/misc/group.db"
			ln -sf "$HOST/ssh_known_hosts" "$c/var/lib/misc/"
			ln -sf ../../var/lib/misc/ssh_known_hosts "$c/etc/ssh"
		fi
	done
fi

if [ -d "/etc/exim4" -a -e "$HOST/bsmtp" ]; then
	if perl -e 'exit !((stat "/etc/exim4/bsmtp")[9] < time()-3600)'; then
		cp "$HOST/bsmtp" /etc/exim4/bsmtp
	fi
fi
if [ -d "/etc/postfix" -a -f "$HOST/forward-alias" ]; then
	sed -e 's/:/@debian.org/' $HOST/forward-alias > /etc/postfix/debian
	/usr/sbin/postmap hash:/etc/postfix/debian < /etc/postfix/debian || true
fi