1 files changed, 66 insertions, 0 deletions
diff --git a/lisp/gnus/sasl-ntlm.el b/lisp/gnus/sasl-ntlm.el
new file mode 100644
index 00000000000..784b373c056
--- /dev/null
+++ b/lisp/gnus/sasl-ntlm.el
@@ -0,0 +1,66 @@
+;;; sasl-ntlm.el --- NTLM (NT Lan Manager) module for the SASL client framework
+
+;; Copyright (C) 2000 Free Software Foundation, Inc.
+
+;; Author: Taro Kawagishi <tarok@transpulse.org>
+;; Keywords: SASL, NTLM
+;; Version: 1.00
+;; Created: February 2001
+
+;; This program 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.
+;;
+;; This program 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 this program; 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