1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
;;; mime-mc.el --- Mailcrypt interface for SEMI
;; Copyright (C) 1996,1997,1998 MORIOKA Tomohiko
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Keywords: PGP, security, MIME, multimedia, mail, news
;; This file is part of SEMI (Secure Emacs MIME Interface).
;; 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 2, 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(require 'mailcrypt)
(eval-and-compile (load "mc-pgp"))
(defun mime-mc-pgp-generic-parser (result)
(let ((ret (mc-pgp-generic-parser result)))
(if (consp ret)
(vector (car ret)(cdr ret))
)))
(defun mime-mc-process-region
(beg end passwd program args parser &optional buffer boundary)
(let ((obuf (current-buffer))
(process-connection-type nil)
mybuf result rgn proc)
(unwind-protect
(progn
(setq mybuf (or buffer (generate-new-buffer " *mailcrypt temp")))
(set-buffer mybuf)
(erase-buffer)
(set-buffer obuf)
(buffer-disable-undo mybuf)
(setq proc
(apply 'start-process "*PGP*" mybuf program args))
(if passwd
(progn
(process-send-string proc (concat passwd "\n"))
(or mc-passwd-timeout (mc-deactivate-passwd t))))
(process-send-region proc beg end)
(process-send-eof proc)
(while (eq 'run (process-status proc))
(accept-process-output proc 5))
(setq result (process-exit-status proc))
;; Hack to force a status_notify() in Emacs 19.29
(delete-process proc)
(set-buffer mybuf)
(goto-char (point-max))
(if (re-search-backward "\nProcess \\*PGP.*\n\\'" nil t)
(delete-region (match-beginning 0) (match-end 0)))
(goto-char (point-min))
;; CRNL -> NL
(while (search-forward "\r\n" nil t)
(replace-match "\n"))
;; Hurm. FIXME; must get better result codes.
(if (stringp result)
(error "%s exited abnormally: '%s'" program result)
(setq rgn (funcall parser result))
;; If the parser found something, migrate it
(if (consp rgn)
(progn
(set-buffer obuf)
(if boundary
(save-restriction
(narrow-to-region beg end)
(goto-char beg)
(insert (format "--%s\n" boundary))
(goto-char (point-max))
(insert (format "\n--%s
Content-Type: application/pgp-signature
Content-Transfer-Encoding: 7bit
" boundary))
(insert-buffer-substring mybuf (car rgn) (cdr rgn))
(goto-char (point-max))
(insert (format "\n--%s--\n" boundary))
)
(delete-region beg end)
(goto-char beg)
(insert-buffer-substring mybuf (car rgn) (cdr rgn))
)
(set-buffer mybuf)
(delete-region (car rgn) (cdr rgn)))))
;; Return nil on failure and exit code on success
(if rgn result))
;; Cleanup even on nonlocal exit
(if (and proc (eq 'run (process-status proc)))
(interrupt-process proc))
(set-buffer obuf)
(or buffer (null mybuf) (kill-buffer mybuf)))))
(defun mime-mc-pgp-sign-region (start end &optional id unclear boundary)
;; (if (not (boundp 'mc-pgp-user-id))
;; (load "mc-pgp")
;; )
(let ((process-environment process-environment)
(buffer (get-buffer-create mc-buffer-name))
passwd args key
(parser (function mc-pgp-generic-parser))
(pgp-path mc-pgp-path)
)
(setq key (mc-pgp-lookup-key (or id mc-pgp-user-id)))
(setq passwd
(mc-activate-passwd
(cdr key)
(format "PGP passphrase for %s (%s): " (car key) (cdr key))))
(setenv "PGPPASSFD" "0")
(setq args
(cons
(if boundary
"-fbast"
"-fast")
(list "+verbose=1" "+language=en"
(format "+clearsig=%s" (if unclear "off" "on"))
"+batchmode" "-u" (cdr key))))
(if mc-pgp-comment
(setq args (cons (format "+comment=%s" mc-pgp-comment) args))
)
(message "Signing as %s ..." (car key))
(if (mime-mc-process-region
start end passwd pgp-path args parser buffer boundary)
(progn
(if boundary
(progn
(goto-char (point-min))
(insert
(format "\
--[[multipart/signed; protocol=\"application/pgp-signature\";
boundary=\"%s\"; micalg=pgp-md5][7bit]]\n" boundary))
))
(message "Signing as %s ... Done." (car key))
t)
nil)))
(defun mime-mc-pgp-encrypt-region (recipients start end &optional id sign)
(let ((mc-pgp-always-sign (if (eq sign 'maybe)
mc-pgp-always-sign
'never)))
(mc-pgp-encrypt-region
(mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
start end id nil)
))
;;; @ end
;;;
(provide 'mime-mc)
;;; mime-mc.el ends here
|
