Better control on problematic chars in the password

debian/changelog

+fuss-server (7.0.14) wheezy; urgency=medium
+
+  * added control to avoid some chars in the password (interference with sed expressions)
+
+ -- Simone Piccardi <piccardi@truelite.it>  Wed, 16 Jul 2014 14:54:54 +0200
+
 fuss-server (7.0.13) wheezy; urgency=medium
 
   * better handling of configuration after a purge/create cycle

fuss-server

@@ -130,8 +130,8 @@ case "$1" in
 	. "$CONF_FILE"
     fi
     # check for "prolematic" chars
-    if echo $MASTER_PASS | grep '/' > /dev/null; then
-	echo "do not use '/' char in master password"
+    if echo $MASTER_PASS | egrep '(/|\&|\\)' > /dev/null; then
+	echo "char '/', '\' and '&' not allowes in master password"
 	resetconf MASTER_PASS
 	$CONF_CMD
 	. "$CONF_FILE"