diff -r 98a2bc275e0e -r f966c8699f5b util/sasl.lua
--- a/util/sasl.lua	Sat Nov 28 15:12:43 2009 +0000
+++ b/util/sasl.lua	Sat Nov 28 18:23:25 2009 +0100
@@ -83,10 +83,11 @@
 
 -- create a new SASL object which can be used to authenticate clients
 function new(realm, profile, forbidden)
-	sasl_i = {profile = profile};
+	local sasl_i = {profile = profile};
 	sasl_i.realm = realm;
-	s = setmetatable(sasl_i, method);
-	s:forbidden(sasl_i, forbidden)
+	local s = setmetatable(sasl_i, method);
+	if forbidden == nil then forbidden = {} end
+	s:forbidden(forbidden)
 	return s;
 end
 
@@ -112,7 +113,7 @@
 	for backend, f in pairs(self.profile) do
 		if backend_mechanism[backend] then
 			for _, mechanism in ipairs(backend_mechanism[backend]) do
-				if not sasl_i.restrict:contains(mechanism) then
+				if not self.restrict:contains(mechanism) then
 					mechanisms[mechanism] = true;
 				end
 			end