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1 ;;; tm-edit-mc.el --- Mailcrypt interface for tm-edit
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2
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3 ;; Copyright (C) 1996 MORIOKA Tomohiko
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5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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76
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6 ;; Version: $Id: tm-edit-mc.el,v 1.2 1996/12/28 21:03:13 steve Exp $
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4
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7 ;; Keywords: mail, news, MIME, multimedia, multilingual, security, PGP
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8
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9 ;; This file is part of tm (Tools for MIME).
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10
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11 ;; This program is free software; you can redistribute it and/or
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12 ;; modify it under the terms of the GNU General Public License as
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13 ;; published by the Free Software Foundation; either version 2, or (at
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14 ;; your option) any later version.
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15
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16 ;; This program is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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24 ;; Boston, MA 02111-1307, USA.
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25
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26 ;;; Code:
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27
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28 (require 'mailcrypt)
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29 (load "mc-pgp")
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30
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31 (defun tm:mc-pgp-generic-parser (result)
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32 (let ((ret (mc-pgp-generic-parser result)))
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33 (if (consp ret)
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34 (vector (car ret)(cdr ret))
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35 )))
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36
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37 (defun tm:mc-process-region
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38 (beg end passwd program args parser &optional buffer boundary)
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39 (let ((obuf (current-buffer))
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40 (process-connection-type nil)
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41 mybuf result rgn proc)
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42 (unwind-protect
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43 (progn
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44 (setq mybuf (or buffer (generate-new-buffer " *mailcrypt temp")))
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45 (set-buffer mybuf)
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46 (erase-buffer)
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47 (set-buffer obuf)
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48 (buffer-disable-undo mybuf)
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49 (setq proc
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50 (apply 'start-process "*PGP*" mybuf program args))
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51 (if passwd
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52 (progn
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53 (process-send-string proc (concat passwd "\n"))
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54 (or mc-passwd-timeout (mc-deactivate-passwd t))))
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55 (process-send-region proc beg end)
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56 (process-send-eof proc)
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57 (while (eq 'run (process-status proc))
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58 (accept-process-output proc 5))
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59 (setq result (process-exit-status proc))
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60 ;; Hack to force a status_notify() in Emacs 19.29
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61 (delete-process proc)
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62 (set-buffer mybuf)
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63 (goto-char (point-max))
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64 (if (re-search-backward "\nProcess \\*PGP.*\n\\'" nil t)
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65 (delete-region (match-beginning 0) (match-end 0)))
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66 (goto-char (point-min))
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67 ;; CRNL -> NL
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68 (while (search-forward "\r\n" nil t)
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69 (replace-match "\n"))
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70 ;; Hurm. FIXME; must get better result codes.
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71 (if (stringp result)
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72 (error "%s exited abnormally: '%s'" program result)
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73 (setq rgn (funcall parser result))
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74 ;; If the parser found something, migrate it
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75 (if (consp rgn)
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76 (progn
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77 (set-buffer obuf)
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78 (if boundary
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79 (save-restriction
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80 (narrow-to-region beg end)
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81 (goto-char beg)
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82 (insert (format "--%s\n" boundary))
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83 (goto-char (point-max))
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84 (insert (format "\n--%s
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85 Content-Type: application/pgp-signature
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86 Content-Transfer-Encoding: 7bit
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87
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88 " boundary))
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89 (insert-buffer-substring mybuf (car rgn) (cdr rgn))
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90 (goto-char (point-max))
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91 (insert (format "\n--%s--\n" boundary))
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92 )
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93 (delete-region beg end)
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94 (goto-char beg)
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95 (insert-buffer-substring mybuf (car rgn) (cdr rgn))
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96 )
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97 (set-buffer mybuf)
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98 (delete-region (car rgn) (cdr rgn)))))
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99 ;; Return nil on failure and exit code on success
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100 (if rgn result))
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101 ;; Cleanup even on nonlocal exit
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102 (if (and proc (eq 'run (process-status proc)))
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103 (interrupt-process proc))
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104 (set-buffer obuf)
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105 (or buffer (null mybuf) (kill-buffer mybuf)))))
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106
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107 (defun tm:mc-pgp-sign-region (start end &optional id unclear boundary)
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108 ;; (if (not (boundp 'mc-pgp-user-id))
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109 ;; (load "mc-pgp")
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110 ;; )
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111 (let ((process-environment process-environment)
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112 (buffer (get-buffer-create mc-buffer-name))
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113 passwd args key
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114 (parser (function mc-pgp-generic-parser))
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115 (pgp-path mc-pgp-path)
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116 )
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117 (setq key (mc-pgp-lookup-key (or id mc-pgp-user-id)))
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118 (setq passwd
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119 (mc-activate-passwd
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120 (cdr key)
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121 (format "PGP passphrase for %s (%s): " (car key) (cdr key))))
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122 (setenv "PGPPASSFD" "0")
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123 (setq args
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124 (cons
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125 (if boundary
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126 "-fbast"
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127 "-fast")
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128 (list "+verbose=1" "+language=en"
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129 (format "+clearsig=%s" (if unclear "off" "on"))
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130 "+batchmode" "-u" (cdr key))))
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131 (if mc-pgp-comment
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132 (setq args (cons (format "+comment=%s" mc-pgp-comment) args))
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133 )
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134 (message "Signing as %s ..." (car key))
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135 (if (tm:mc-process-region
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136 start end passwd pgp-path args parser buffer boundary)
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137 (progn
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138 (if boundary
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139 (progn
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140 (goto-char (point-min))
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141 (insert
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142 (format "\
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143 --[[multipart/signed; protocol=\"application/pgp-signature\";
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144 boundary=\"%s\"; micalg=pgp-md5][7bit]]\n" boundary))
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145 ))
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146 (message "Signing as %s ... Done." (car key))
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147 t)
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148 nil)))
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149
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150 (defun tm:mc-pgp-encrypt-region (recipients start end &optional id sign)
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151 (let ((mc-pgp-always-sign (if (eq sign 'maybe)
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152 mc-pgp-always-sign
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153 'never)))
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154 (mc-pgp-encrypt-region
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155 (mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
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156 start end id nil)
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157 ))
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158
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159
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160 ;;; @ end
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161 ;;;
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162
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163 (provide 'tm-edit-mc)
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164
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165 ;;; tm-edit-mc.el ends here
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