Inspired by Andreas Barth: Only fiddle with the shadow file if it does

[mirror/userdir-ldap.git] / ud-replicate

diff --git a/ud-replicate b/ud-replicate
index 3f3921f..fc81a45 100755 (executable)
--- a/ud-replicate
+++ b/ud-replicate
@@ -2,7 +2,7 @@
 
 #   Copyright (c) 1999-2001  Jason Gunthorpe <jgg@debian.org>
 #   Copyright (c) 2002-2003  Ryan Murray <rmurray@debian.org>
-#   Copyright (c) 2004  Joey Schulze <joey@infodrom.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
@@ -46,11 +46,15 @@ esac
 rsync ${verbose} -e ssh -rp "${udhost}/var/cache/userdir-ldap/hosts/$HOST" .
 
 makedb "$HOST/passwd.tdb" -o passwd.db.t
-(umask 027 && makedb "$HOST/shadow.tdb" -o shadow.db.t)
-chown root.shadow shadow.db.t; chmod 0640 shadow.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 "$HOST/group.tdb" -o group.db.t
 mv -f passwd.db.t passwd.db
-mv -f shadow.db.t shadow.db
 mv -f group.db.t group.db
 ln -sf "$HOST/ssh-rsa-shadow" .
 ln -sf "$HOST/ssh_known_hosts" .
@@ -60,12 +64,15 @@ ln -sf `pwd -P`/ssh_known_hosts /etc/ssh
 if [ -x /usr/bin/dchroot ]; then
        CHROOTS=`dchroot --listpaths`
        for c in $CHROOTS; do
-               test ! -d "$c/var/lib/misc/HOST" || mkdir -p "$c/var/lib/misc/HOST"
+               if [ -x "$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"
+                       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"
+                       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
@@ -73,6 +80,7 @@ if [ -x /usr/bin/dchroot ]; then
                        mv -f "$c/var/lib/misc/group.db.t" "$c/var/lib/misc/group.db"
                        ln -sf "$c/var/lib/misc/$HOST/ssh_known_hosts" "$c/var/lib/misc/"
                        ln -sf ../../var/lib/misc/ssh_known_hosts "$c/etc/ssh"
+               fi
        done
 fi