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emacs/lisp/net/sasl-ntlm.el
2008-01-09 04:31:51 +00:00

69 lines
2.4 KiB
EmacsLisp

;;; sasl-ntlm.el --- NTLM (NT Lan Manager) module for the SASL client framework
;; Copyright (C) 2000, 2007, 2008 Free Software Foundation, Inc.
;; Author: Taro Kawagishi <tarok@transpulse.org>
;; Keywords: SASL, NTLM
;; Version: 1.00
;; Created: February 2001
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This is a SASL interface layer for NTLM authentication message
;; generation by ntlm.el
;;; Code:
(require 'sasl)
(require 'ntlm)
(defconst sasl-ntlm-steps
'(ignore ;nothing to do before making
sasl-ntlm-request ;authentication request
sasl-ntlm-response) ;response to challenge
"A list of functions to be called in sequnece for the NTLM
authentication steps. Ther are called by 'sasl-next-step.")
(defun sasl-ntlm-request (client step)
"SASL step function to generate a NTLM authentication request to the server.
Called from 'sasl-next-step.
CLIENT is a vector [mechanism user service server sasl-client-properties]
STEP is a vector [<previous step function> <result of previous step function>]"
(let ((user (sasl-client-name client)))
(ntlm-build-auth-request user)))
(defun sasl-ntlm-response (client step)
"SASL step function to generate a NTLM response against the server
challenge stored in the 2nd element of STEP. Called from 'sasl-next-step."
(let* ((user (sasl-client-name client))
(passphrase
(sasl-read-passphrase (format "NTLM passphrase for %s: " user)))
(challenge (sasl-step-data step)))
(ntlm-build-auth-response challenge user
(ntlm-get-password-hashes passphrase))))
(put 'sasl-ntlm 'sasl-mechanism
(sasl-make-mechanism "NTLM" sasl-ntlm-steps))
(provide 'sasl-ntlm)
;;; arch-tag: 1d9164c1-1df0-418f-b7ab-360157fd05dc
;;; sasl-ntlm.el ends here