-- sasl.lua v0.4
--- Copyright (C) 2008-2009 Tobias Markmann
+-- Copyright (C) 2008-2010 Tobias Markmann
--
-- All rights reserved.
--
local md5 = require "util.hashes".md5;
local log = require "util.logger".init("sasl");
local generate_uuid = require "util.uuid".generate;
+local nodeprep = require "util.encodings".stringprep.nodeprep;
-module "digest-md5"
+local _ENV = nil;
--=========================
--SASL DIGEST-MD5 according to RFC 2831
--[[
Supported Authentication Backends
-digest-md5:
+digest_md5:
function(username, domain, realm, encoding) -- domain and realm are usually the same; for some broken
-- implementations it's not
return digesthash, state;
end
-digest-md5-test:
+digest_md5_test:
function(username, domain, realm, encoding, digesthash)
return true or false, state;
end
end
-- check for username, it's REQUIRED by RFC 2831
- if not response["username"] then
+ local username = response["username"];
+ local _nodeprep = self.profile.nodeprep;
+ if username and _nodeprep ~= false then
+ username = (_nodeprep or nodeprep)(username); -- FIXME charset
+ end
+ if not username or username == "" then
return "failure", "malformed-request";
end
- self["username"] = response["username"];
+ self.username = username;
-- check for nonce, ...
if not response["nonce"] then
end
--TODO maybe realm support
- self.username = response["username"];
local Y, state;
if self.profile.plain then
- local password, state = self.profile.plain(response["username"], self.realm)
+ local password, state = self.profile.plain(self, response["username"], self.realm)
if state == nil then return "failure", "not-authorized"
elseif state == false then return "failure", "account-disabled" end
Y = md5(response["username"]..":"..response["realm"]..":"..password);
elseif self.profile["digest-md5"] then
- Y, state = self.profile["digest-md5"](response["username"], self.realm, response["realm"], response["charset"])
+ Y, state = self.profile["digest-md5"](self, response["username"], self.realm, response["realm"], response["charset"])
if state == nil then return "failure", "not-authorized"
elseif state == false then return "failure", "account-disabled" end
elseif self.profile["digest-md5-test"] then
end
end
-function init(registerMechanism)
+local function init(registerMechanism)
registerMechanism("DIGEST-MD5", {"plain"}, digest);
end
-return _M;
\ No newline at end of file
+return {
+ init = init;
+}