--- /dev/null
+;;; pgg-pgp5.el --- PGP 5.* support for PGG.
+
+;; Copyright (C) 1999,2000 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
+;; Created: 1999/11/02
+;; Keywords: PGP, OpenPGP
+
+;; 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:
+
+(eval-when-compile (require 'pgg))
+
+(defgroup pgg-pgp5 ()
+ "PGP 5.* interface"
+ :group 'pgg)
+
+(defcustom pgg-pgp5-pgpe-program "pgpe"
+ "PGP 5.* 'pgpe' executable."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(defcustom pgg-pgp5-pgps-program "pgps"
+ "PGP 5.* 'pgps' executable."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(defcustom pgg-pgp5-pgpk-program "pgpk"
+ "PGP 5.* 'pgpk' executable."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(defcustom pgg-pgp5-pgpv-program "pgpv"
+ "PGP 5.* 'pgpv' executable."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(defcustom pgg-pgp5-shell-file-name "/bin/sh"
+ "File name to load inferior shells from.
+Bourne shell or its equivalent \(not tcsh) is needed for \"2>\"."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(defcustom pgg-pgp5-shell-command-switch "-c"
+ "Switch used to have the shell execute its command line argument."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(defcustom pgg-pgp5-extra-args nil
+ "Extra arguments for every PGP 5.* invocation."
+ :group 'pgg-pgp5
+ :type 'string)
+
+(eval-and-compile
+ (luna-define-class pgg-scheme-pgp5 (pgg-scheme)))
+
+(defvar pgg-pgp5-user-id nil
+ "PGP 5.* ID of your default identity.")
+
+(defvar pgg-scheme-pgp5-instance nil)
+
+;;;###autoload
+(defun pgg-make-scheme-pgp5 ()
+ (or pgg-scheme-pgp5-instance
+ (setq pgg-scheme-pgp5-instance
+ (luna-make-entity 'pgg-scheme-pgp5))))
+
+(defun pgg-pgp5-process-region (start end passphrase program args)
+ (let* ((errors-file-name
+ (concat temporary-file-directory
+ (make-temp-name "pgg-errors")))
+ (args
+ (append args
+ pgg-pgp5-extra-args
+ (list (concat "2>" errors-file-name))))
+ (shell-file-name pgg-pgp5-shell-file-name)
+ (shell-command-switch pgg-pgp5-shell-command-switch)
+ (output-buffer pgg-output-buffer)
+ (errors-buffer pgg-errors-buffer)
+ (process-connection-type nil)
+ process status exit-status)
+ (with-current-buffer (get-buffer-create output-buffer)
+ (buffer-disable-undo)
+ (erase-buffer))
+ (when passphrase
+ (setenv "PGPPASSFD" "0"))
+ (unwind-protect
+ (progn
+ (as-binary-process
+ (setq process
+ (apply #'start-process-shell-command "*PGP*" output-buffer
+ program args)))
+ (set-process-sentinel process #'ignore)
+ (when passphrase
+ (process-send-string process (concat passphrase "\n")))
+ (process-send-region process start end)
+ (process-send-eof process)
+ (while (eq 'run (process-status process))
+ (accept-process-output process 5))
+ (setq status (process-status process)
+ exit-status (process-exit-status process))
+ (delete-process process)
+ (with-current-buffer output-buffer
+ (pgg-convert-lbt-region (point-min)(point-max) 'LF)
+
+ (if (memq status '(stop signal))
+ (error "%s exited abnormally: '%s'" program exit-status))
+ (if (= 127 exit-status)
+ (error "%s could not be found" program))
+
+ (set-buffer (get-buffer-create errors-buffer))
+ (buffer-disable-undo)
+ (erase-buffer)
+ (insert-file-contents errors-file-name)))
+ (if (and process (eq 'run (process-status process)))
+ (interrupt-process process))
+ (condition-case nil
+ (delete-file errors-file-name)
+ (file-error nil)))))
+
+(luna-define-method pgg-scheme-lookup-key ((scheme pgg-scheme-pgp5)
+ string &optional type)
+ (let ((args (list "+language=en" "-l" string)))
+ (with-current-buffer (get-buffer-create pgg-output-buffer)
+ (buffer-disable-undo)
+ (erase-buffer)
+ (apply #'call-process pgg-pgp5-pgpk-program nil t nil args)
+ (goto-char (point-min))
+ (when (re-search-forward "^sec" nil t)
+ (substring
+ (nth 2 (split-string
+ (buffer-substring (match-end 0)(progn (end-of-line)(point)))))
+ 2)))))
+
+(luna-define-method pgg-scheme-encrypt-region ((scheme pgg-scheme-pgp5)
+ start end recipients)
+ (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
+ (args
+ `("+NoBatchInvalidKeys=off" "-fat" "+batchmode=1"
+ ,@(if recipients
+ (apply #'append
+ (mapcar (lambda (rcpt)
+ (list "-r"
+ (concat "\"" rcpt "\"")))
+ (append recipients
+ (if pgg-encrypt-for-me
+ (list pgg-pgp5-user-id)))))))))
+ (pgg-pgp5-process-region start end nil pgg-pgp5-pgpe-program args)
+ (pgg-process-when-success nil)))
+
+(luna-define-method pgg-scheme-decrypt-region ((scheme pgg-scheme-pgp5)
+ start end)
+ (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
+ (passphrase
+ (pgg-read-passphrase
+ (format "PGP passphrase for %s: " pgg-pgp5-user-id)
+ (pgg-scheme-lookup-key scheme pgg-pgp5-user-id 'encrypt)))
+ (args
+ '("+verbose=1" "+batchmode=1" "+language=us" "-f")))
+ (pgg-pgp5-process-region start end passphrase pgg-pgp5-pgpv-program args)
+ (pgg-process-when-success nil)))
+
+(luna-define-method pgg-scheme-sign-region ((scheme pgg-scheme-pgp5)
+ start end &optional clearsign)
+ (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
+ (passphrase
+ (pgg-read-passphrase
+ (format "PGP passphrase for %s: " pgg-pgp5-user-id)
+ (pgg-scheme-lookup-key scheme pgg-pgp5-user-id 'sign)))
+ (args
+ (list (if clearsign "-fat" "-fbat")
+ "+verbose=1" "+language=us" "+batchmode=1"
+ "-u" pgg-pgp5-user-id)))
+ (pgg-pgp5-process-region start end passphrase pgg-pgp5-pgps-program args)
+ (pgg-process-when-success
+ (when (re-search-forward "^-+BEGIN PGP SIGNATURE" nil t);XXX
+ (let ((packet
+ (cdr (assq 2 (pgg-parse-armor-region
+ (progn (beginning-of-line 2)
+ (point))
+ (point-max))))))
+ (if pgg-cache-passphrase
+ (pgg-add-passphrase-cache
+ (cdr (assq 'key-identifier packet))
+ passphrase)))))))
+
+(luna-define-method pgg-scheme-verify-region ((scheme pgg-scheme-pgp5)
+ start end &optional signature)
+ (let* ((basename (expand-file-name "pgg" temporary-file-directory))
+ (orig-file (make-temp-name basename))
+ (args '("+verbose=1" "+batchmode=1" "+language=us"))
+ (orig-mode (default-file-modes)))
+ (unwind-protect
+ (progn
+ (set-default-file-modes 448)
+ (write-region-as-binary start end orig-file))
+ (set-default-file-modes orig-mode))
+ (when (stringp signature)
+ (copy-file signature (setq signature (concat orig-file ".asc")))
+ (setq args (append args (list signature))))
+ (pgg-pgp5-process-region (point)(point) nil pgg-pgp5-pgpv-program args)
+ (delete-file orig-file)
+ (if signature (delete-file signature))
+ (with-current-buffer pgg-errors-buffer
+ (goto-char (point-min))
+ (if (re-search-forward "^Good signature" nil t)
+ (progn
+ (set-buffer pgg-output-buffer)
+ (insert-buffer-substring pgg-errors-buffer)
+ t)
+ nil))))
+
+(luna-define-method pgg-scheme-insert-key ((scheme pgg-scheme-pgp5))
+ (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
+ (args
+ (list "+verbose=1" "+batchmode=1" "+language=us" "-x"
+ (concat "\"" pgg-pgp5-user-id "\""))))
+ (pgg-pgp5-process-region (point)(point) nil pgg-pgp5-pgpk-program args)
+ (insert-buffer-substring pgg-output-buffer)))
+
+(luna-define-method pgg-scheme-snarf-keys-region ((scheme pgg-scheme-pgp5)
+ start end)
+ (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
+ (basename (expand-file-name "pgg" temporary-file-directory))
+ (key-file (make-temp-name basename))
+ (args
+ (list "+verbose=1" "+batchmode=1" "+language=us" "-a"
+ key-file)))
+ (write-region-as-raw-text-CRLF start end key-file)
+ (pgg-pgp5-process-region start end nil pgg-pgp5-pgpk-program args)
+ (delete-file key-file)
+ (pgg-process-when-success nil)))
+
+(provide 'pgg-pgp5)
+
+;;; pgg-pgp5.el ends here
projects / elisp / lemi.git / blobdiff