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comparison lisp/tm/tm-edit-mc.el @ 4:b82b59fe008d r19-15b3

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Import from CVS: tag r19-15b3
author cvs
date Mon, 13 Aug 2007 08:46:56 +0200
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3:30df88044ec6 4:b82b59fe008d
1 ;;; tm-edit-mc.el --- Mailcrypt interface for tm-edit
2
3 ;; Copyright (C) 1996 MORIOKA Tomohiko
4
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: tm-edit-mc.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
7 ;; Keywords: mail, news, MIME, multimedia, multilingual, security, PGP
8
9 ;; This file is part of tm (Tools for MIME).
10
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
15
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
20
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
25
26 ;;; Code:
27
28 (require 'mailcrypt)
29 (load "mc-pgp")
30
31 (defun tm:mc-pgp-generic-parser (result)
32 (let ((ret (mc-pgp-generic-parser result)))
33 (if (consp ret)
34 (vector (car ret)(cdr ret))
35 )))
36
37 (defun tm:mc-process-region
38 (beg end passwd program args parser &optional buffer boundary)
39 (let ((obuf (current-buffer))
40 (process-connection-type nil)
41 mybuf result rgn proc)
42 (unwind-protect
43 (progn
44 (setq mybuf (or buffer (generate-new-buffer " *mailcrypt temp")))
45 (set-buffer mybuf)
46 (erase-buffer)
47 (set-buffer obuf)
48 (buffer-disable-undo mybuf)
49 (setq proc
50 (apply 'start-process "*PGP*" mybuf program args))
51 (if passwd
52 (progn
53 (process-send-string proc (concat passwd "\n"))
54 (or mc-passwd-timeout (mc-deactivate-passwd t))))
55 (process-send-region proc beg end)
56 (process-send-eof proc)
57 (while (eq 'run (process-status proc))
58 (accept-process-output proc 5))
59 (setq result (process-exit-status proc))
60 ;; Hack to force a status_notify() in Emacs 19.29
61 (delete-process proc)
62 (set-buffer mybuf)
63 (goto-char (point-max))
64 (if (re-search-backward "\nProcess \\*PGP.*\n\\'" nil t)
65 (delete-region (match-beginning 0) (match-end 0)))
66 (goto-char (point-min))
67 ;; CRNL -> NL
68 (while (search-forward "\r\n" nil t)
69 (replace-match "\n"))
70 ;; Hurm. FIXME; must get better result codes.
71 (if (stringp result)
72 (error "%s exited abnormally: '%s'" program result)
73 (setq rgn (funcall parser result))
74 ;; If the parser found something, migrate it
75 (if (consp rgn)
76 (progn
77 (set-buffer obuf)
78 (if boundary
79 (save-restriction
80 (narrow-to-region beg end)
81 (goto-char beg)
82 (insert (format "--%s\n" boundary))
83 (goto-char (point-max))
84 (insert (format "\n--%s
85 Content-Type: application/pgp-signature
86 Content-Transfer-Encoding: 7bit
87
88 " boundary))
89 (insert-buffer-substring mybuf (car rgn) (cdr rgn))
90 (goto-char (point-max))
91 (insert (format "\n--%s--\n" boundary))
92 )
93 (delete-region beg end)
94 (goto-char beg)
95 (insert-buffer-substring mybuf (car rgn) (cdr rgn))
96 )
97 (set-buffer mybuf)
98 (delete-region (car rgn) (cdr rgn)))))
99 ;; Return nil on failure and exit code on success
100 (if rgn result))
101 ;; Cleanup even on nonlocal exit
102 (if (and proc (eq 'run (process-status proc)))
103 (interrupt-process proc))
104 (set-buffer obuf)
105 (or buffer (null mybuf) (kill-buffer mybuf)))))
106
107 (defun tm:mc-pgp-sign-region (start end &optional id unclear boundary)
108 ;; (if (not (boundp 'mc-pgp-user-id))
109 ;; (load "mc-pgp")
110 ;; )
111 (let ((process-environment process-environment)
112 (buffer (get-buffer-create mc-buffer-name))
113 passwd args key
114 (parser (function mc-pgp-generic-parser))
115 (pgp-path mc-pgp-path)
116 )
117 (setq key (mc-pgp-lookup-key (or id mc-pgp-user-id)))
118 (setq passwd
119 (mc-activate-passwd
120 (cdr key)
121 (format "PGP passphrase for %s (%s): " (car key) (cdr key))))
122 (setenv "PGPPASSFD" "0")
123 (setq args
124 (cons
125 (if boundary
126 "-fbast"
127 "-fast")
128 (list "+verbose=1" "+language=en"
129 (format "+clearsig=%s" (if unclear "off" "on"))
130 "+batchmode" "-u" (cdr key))))
131 (if mc-pgp-comment
132 (setq args (cons (format "+comment=%s" mc-pgp-comment) args))
133 )
134 (message "Signing as %s ..." (car key))
135 (if (tm:mc-process-region
136 start end passwd pgp-path args parser buffer boundary)
137 (progn
138 (if boundary
139 (progn
140 (goto-char (point-min))
141 (insert
142 (format "\
143 --[[multipart/signed; protocol=\"application/pgp-signature\";
144 boundary=\"%s\"; micalg=pgp-md5][7bit]]\n" boundary))
145 ))
146 (message "Signing as %s ... Done." (car key))
147 t)
148 nil)))
149
150 (defun tm:mc-pgp-encrypt-region (recipients start end &optional id sign)
151 (let ((mc-pgp-always-sign (if (eq sign 'maybe)
152 mc-pgp-always-sign
153 'never)))
154 (mc-pgp-encrypt-region
155 (mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
156 start end id nil)
157 ))
158
159
160 ;;; @ end
161 ;;;
162
163 (provide 'tm-edit-mc)
164
165 ;;; tm-edit-mc.el ends here