1 ;;; sasl-ntlm.el --- NTLM (NT Lan Manager) module for the SASL client framework
3 ;; Copyright (C) 2000 Free Software Foundation, Inc.
5 ;; Author: Taro Kawagishi <tarok@transpulse.org>
6 ;; Keywords: SASL, NTLM
8 ;; Created: February 2001
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with this program; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; This is a SASL interface layer for NTLM authentication message
28 ;; generation by ntlm.el
35 (defconst sasl-ntlm-steps
36 '(ignore ;nothing to do before making
37 ;authentication request
38 sasl-ntlm-request ;authentication request
39 sasl-ntlm-response) ;response to challenge
40 "A list of functions to be called in sequnece for the NTLM
41 authentication steps. Ther are called by 'sasl-next-step.")
43 (setq sasl-passwd-hash-function 'ntlm-get-password-hashes)
45 (defun sasl-ntlm-request (client step)
46 "SASL step function to generate a NTLM authentication request to the server.
47 Called from 'sasl-next-step.
48 CLIENT is a vector [mechanism user service server sasl-client-properties]
49 STEP is a vector [<previous step function> <result of previous step function>]"
50 (let ((user (sasl-client-name client)))
51 (ntlm-build-auth-request user)))
53 (defun sasl-ntlm-response (client step)
54 "SASL step function to generate a NTLM response against the server
55 challenge stored in the 2nd element of STEP. Called from 'sasl-next-step."
56 (let* ((user (sasl-client-name client))
58 (sasl-read-passphrase (format "NTLM passphrase for %s: " user)))
59 (challenge (sasl-step-data step)))
60 (ntlm-build-auth-response challenge user passwd-hashes)))
62 (put 'sasl-ntlm 'sasl-mechanism
63 (sasl-make-mechanism "NTLM" sasl-ntlm-steps))
67 ;;; sasl-ntlm.el ends here