;;; pgg-gpg.el --- GnuPG support for PGG.
-;; Copyright (C) 1999 Daiki Ueno
+;; Copyright (C) 1999,2000 Free Software Foundation, Inc.
-;; Author: Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
+;; Author: Daiki Ueno <ueno@unixuser.org>
;; Created: 1999/10/28
;; Keywords: PGP, OpenPGP, GnuPG
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Code:
+(require 'mel) ; binary-to-text-funcall
(eval-when-compile (require 'pgg))
(defgroup pgg-gpg ()
:group 'pgg-gpg
:type 'string)
-(defcustom pgg-gpg-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-gpg
- :type 'string)
-
-(defcustom pgg-gpg-shell-command-switch "-c"
- "Switch used to have the shell execute its command line argument."
- :group 'pgg-gpg
- :type 'string)
-
(defcustom pgg-gpg-extra-args nil
"Extra arguments for every GnuPG invocation."
:group 'pgg-gpg
:type 'string)
(eval-and-compile
- (luna-define-class pgg-scheme-gpg (pgg-scheme))
- )
-
+ (luna-define-class pgg-scheme-gpg (pgg-scheme)))
+
(defvar pgg-gpg-user-id nil
"GnuPG ID of your default identity.")
+(defvar pgg-gpg-messages-locale pgg-messages-locale
+ "Locale set before running a GnuPG external process.")
+
(defvar pgg-scheme-gpg-instance nil)
;;;###autoload
(luna-make-entity 'pgg-scheme-gpg))))
(defun pgg-gpg-process-region (start end passphrase program args)
- (let* ((errors-file-name
- (concat temporary-file-directory
- (make-temp-name "pgg-errors")))
- (status-file-name
- (concat temporary-file-directory
- (make-temp-name "pgg-status")))
- (args
- (append
- `("--status-fd" "3"
- ,@(if passphrase '("--passphrase-fd" "0"))
- ,@pgg-gpg-extra-args)
- args
- (list (concat "2>" errors-file-name)
- (concat "3>" status-file-name))))
- (shell-file-name pgg-gpg-shell-file-name)
- (shell-command-switch pgg-gpg-shell-command-switch)
+ (let* ((output-file-name (make-temp-file
+ (expand-file-name "pgg-output"
+ temporary-file-directory)))
+ (args
+ `("--status-fd" "2"
+ ,@(if passphrase '("--passphrase-fd" "0"))
+ "--yes" ; overwrite
+ "--output" ,output-file-name
+ ,@pgg-gpg-extra-args ,@args))
(output-buffer pgg-output-buffer)
(errors-buffer pgg-errors-buffer)
- (status-buffer pgg-status-buffer)
(process-connection-type nil)
+ (process-environment process-environment)
process status exit-status)
- (with-current-buffer (get-buffer-create output-buffer)
+ (when pgg-gpg-messages-locale
+ (setq process-environment (copy-sequence process-environment))
+ (setenv "LC_ALL" pgg-gpg-messages-locale)
+ (setenv "LANGUAGE" pgg-gpg-messages-locale))
+ (with-current-buffer (get-buffer-create errors-buffer)
(buffer-disable-undo)
(erase-buffer))
- (as-binary-process
- (setq process
- (apply #'start-process-shell-command "*GnuPG*" 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)
- (delete-file errors-file-name)
-
- (set-buffer (get-buffer-create status-buffer))
- (buffer-disable-undo)
- (erase-buffer)
- (insert-file-contents status-file-name)
- (delete-file status-file-name)
-
+ (unwind-protect
+ (progn
+ (let ((coding-system-for-write 'binary))
+ (setq process
+ (apply #'start-process "*GnuPG*" errors-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 (get-buffer-create output-buffer)
+ (buffer-disable-undo)
+ (erase-buffer)
+ (if (file-exists-p output-file-name)
+ (let ((coding-system-for-read 'raw-text-dos))
+ (insert-file-contents output-file-name)))
+ (set-buffer errors-buffer)
+ (if (memq status '(stop signal))
+ (error "%s exited abnormally: '%s'" program exit-status))
+ (if (= 127 exit-status)
+ (error "%s could not be found" program))))
(if (and process (eq 'run (process-status process)))
(interrupt-process process))
- )
- ))
-
-(luna-define-method lookup-key-string ((scheme pgg-scheme-gpg)
- string &optional type)
- (let ((args (list "--with-colons" "--no-greeting" "--batch"
+ (if (file-exists-p output-file-name)
+ (delete-file output-file-name)))))
+
+(defun pgg-gpg-possibly-cache-passphrase (passphrase)
+ (if (and pgg-cache-passphrase
+ (progn
+ (goto-char (point-min))
+ (re-search-forward "^\\[GNUPG:] GOOD_PASSPHRASE\\>" nil t)))
+ (pgg-add-passphrase-cache
+ (progn
+ (goto-char (point-min))
+ (if (re-search-forward
+ "^\\[GNUPG:] NEED_PASSPHRASE \\w+ ?\\w*" nil t)
+ (substring (match-string 0) -8)))
+ passphrase)))
+
+(luna-define-method pgg-scheme-lookup-key ((scheme pgg-scheme-gpg)
+ string &optional type)
+ (let ((args (list "--with-colons" "--no-greeting" "--batch"
(if type "--list-secret-keys" "--list-keys")
string)))
- (pgg-gpg-process-region (point)(point) nil pgg-gpg-program args)
- (with-current-buffer pgg-output-buffer
+ (with-temp-buffer
+ (apply #'call-process pgg-gpg-program nil t nil args)
(goto-char (point-min))
- (when (re-search-forward "^\\(sec\\|pub\\):" nil t)
- (substring
- (nth 3 (split-string
- (buffer-substring (match-end 0)
- (progn (end-of-line)(point)))
- ":"))
- 8)))
- ))
-
-(luna-define-method encrypt-region ((scheme pgg-scheme-gpg)
- start end recipients)
- (let* ((pgg-gpg-user-id (or pgg-gpg-user-id pgg-default-user-id))
- (args
+ (if (re-search-forward "^\\(sec\\|pub\\):[^:]*:[^:]*:[^:]*:\\([^:]*\\)"
+ nil t)
+ (substring (match-string 2) 8)))))
+
+(luna-define-method pgg-scheme-encrypt-region ((scheme pgg-scheme-gpg)
+ start end recipients)
+ (let* ((user-id (or pgg-overriding-user-id pgg-gpg-user-id
+ pgg-default-user-id))
+ (args
`("--batch" "--armor" "--always-trust" "--encrypt"
,@(if recipients
- (apply #'append
- (mapcar (lambda (rcpt)
- (list "--remote-user"
- (concat "\"" rcpt "\"")))
+ (apply #'nconc
+ (mapcar (lambda (rcpt)
+ (list "--remote-user" rcpt))
(append recipients
(if pgg-encrypt-for-me
- (list pgg-gpg-user-id)))))))
- ))
+ (list user-id)))))))))
(pgg-as-lbt start end 'CRLF
- (pgg-gpg-process-region start end nil pgg-gpg-program args)
- )
- (pgg-process-when-success
- (pgg-convert-lbt-region (point-min)(point-max) 'LF))
- ))
+ (pgg-gpg-process-region start end nil pgg-gpg-program args))
+ (pgg-process-when-success)))
-(luna-define-method decrypt-region ((scheme pgg-scheme-gpg)
- start end)
- (let* ((pgg-gpg-user-id (or pgg-gpg-user-id pgg-default-user-id))
+(luna-define-method pgg-scheme-decrypt-region ((scheme pgg-scheme-gpg)
+ start end)
+ (let* ((user-id (or pgg-overriding-user-id pgg-gpg-user-id
+ pgg-default-user-id))
(passphrase
- (pgg-read-passphrase
+ (pgg-read-passphrase
(format "GnuPG passphrase for %s: " pgg-gpg-user-id)
- (luna-send scheme 'lookup-key-string
- scheme pgg-gpg-user-id 'encrypt)))
+ (pgg-scheme-lookup-key scheme user-id 'encrypt)))
(args '("--batch" "--decrypt")))
(pgg-gpg-process-region start end passphrase pgg-gpg-program args)
- (pgg-process-when-success nil)
- ))
+ (with-current-buffer pgg-errors-buffer
+ (pgg-gpg-possibly-cache-passphrase passphrase)
+ (goto-char (point-min))
+ (re-search-forward "^\\[GNUPG:] DECRYPTION_OKAY\\>" nil t))))
-(luna-define-method sign-region ((scheme pgg-scheme-gpg)
- start end &optional cleartext)
- (let* ((pgg-gpg-user-id (or pgg-gpg-user-id pgg-default-user-id))
+(luna-define-method pgg-scheme-sign-region ((scheme pgg-scheme-gpg)
+ start end &optional cleartext)
+ (let* ((user-id (or pgg-overriding-user-id pgg-gpg-user-id
+ pgg-default-user-id))
(passphrase
- (pgg-read-passphrase
- (format "GnuPG passphrase for %s: " pgg-gpg-user-id)
- (luna-send scheme 'lookup-key-string
- scheme pgg-gpg-user-id 'sign)))
- (args
+ (pgg-read-passphrase
+ (format "GnuPG passphrase for %s: " user-id)
+ (pgg-scheme-lookup-key scheme user-id 'sign)))
+ (args
(list (if cleartext "--clearsign" "--detach-sign")
- "--armor" "--batch" "--verbose"
- "--local-user" pgg-gpg-user-id))
+ "--armor" "--batch" "--verbose"
+ "--local-user" user-id))
(inhibit-read-only t)
buffer-read-only)
(pgg-as-lbt start end 'CRLF
- (pgg-gpg-process-region start end passphrase pgg-gpg-program args)
- )
- (pgg-process-when-success
- (pgg-convert-lbt-region (point-min)(point-max) 'LF)
- (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)))))
- ))
+ (pgg-gpg-process-region start end passphrase pgg-gpg-program args))
+ (with-current-buffer pgg-errors-buffer
+ (pgg-gpg-possibly-cache-passphrase passphrase))
+ (pgg-process-when-success)))
-(luna-define-method verify-region ((scheme pgg-scheme-gpg)
- start end &optional signature)
+(luna-define-method pgg-scheme-verify-region ((scheme pgg-scheme-gpg)
+ start end &optional signature)
(let ((args '("--batch" "--verify")))
(when (stringp signature)
(setq args (append args (list signature))))
+ (setq args (append args '("-")))
(pgg-gpg-process-region start end nil pgg-gpg-program args)
- (save-excursion
- (set-buffer pgg-errors-buffer)
+ (with-current-buffer pgg-errors-buffer
(goto-char (point-min))
(while (re-search-forward "^gpg: " nil t)
(replace-match ""))
(goto-char (point-min))
- (let ((case-fold-search t))
- (while (re-search-forward "^warning: " nil t)
- (delete-region (match-beginning 0)
- (progn (beginning-of-line 2) (point)))))
- (set-buffer pgg-status-buffer)
- (goto-char (point-min))
- (if (re-search-forward "^\\[GNUPG:] +GOODSIG +" nil t)
- (progn
- (set-buffer pgg-output-buffer)
- (insert-buffer-substring pgg-errors-buffer)
- t)
- nil))
- ))
-
-(luna-define-method insert-key ((scheme pgg-scheme-gpg))
- (let* ((pgg-gpg-user-id (or pgg-gpg-user-id pgg-default-user-id))
- (args (list "--batch" "--export" "--armor"
- (concat "\"" pgg-gpg-user-id "\""))))
+ (prog1 (re-search-forward "^\\[GNUPG:] GOODSIG\\>" nil t)
+ (goto-char (point-min))
+ (delete-matching-lines "^\\[GNUPG:] ")
+ ;; XXX: copy contents of pgg-errors-buffer into
+ ;; pgg-output-buffer for backward compatibility.
+ (with-current-buffer pgg-output-buffer
+ (set-buffer-multibyte t)
+ (insert-buffer-substring pgg-errors-buffer))))))
+
+(luna-define-method pgg-scheme-insert-key ((scheme pgg-scheme-gpg))
+ (let* ((user-id (or pgg-overriding-user-id pgg-gpg-user-id
+ pgg-default-user-id))
+ (args (list "--batch" "--export" "--armor" user-id)))
(pgg-gpg-process-region (point)(point) nil pgg-gpg-program args)
- (insert-buffer-substring pgg-output-buffer)
- ))
+ (insert-buffer-substring pgg-output-buffer)))
-(luna-define-method snarf-keys-region ((scheme pgg-scheme-gpg)
- start end)
+(luna-define-method pgg-scheme-snarf-keys-region ((scheme pgg-scheme-gpg)
+ start end)
(let ((args '("--import" "--batch" "-")) status)
(pgg-gpg-process-region start end nil pgg-gpg-program args)
- (set-buffer pgg-status-buffer)
+ (set-buffer pgg-errors-buffer)
(goto-char (point-min))
- (when (re-search-forward "^\\[GNUPG:] +IMPORT_RES +" nil t)
- (setq status (buffer-substring (match-end 0)
- (progn (end-of-line)
- (point)))
- status (vconcat (mapcar #'string-to-int
- (split-string status))))
+ (when (re-search-forward "^\\[GNUPG:] IMPORT_RES\\>" nil t)
+ (setq status (buffer-substring (match-end 0)
+ (progn (end-of-line)(point)))
+ status (vconcat (mapcar #'string-to-int (split-string status))))
(erase-buffer)
(insert (format "Imported %d key(s).
\tArmor contains %d key(s) [%d bad, %d old].\n"
(aref status 11)))
(if (zerop (aref status 9))
""
- "\tSecret keys are imported.\n")))
- (append-to-buffer pgg-output-buffer
- (point-min)(point-max))
- (pgg-process-when-success nil)
- ))
+ "\tSecret keys are imported.\n"))
+ ;; XXX: copy contents of pgg-errors-buffer into
+ ;; pgg-output-buffer for backward compatibility.
+ (with-current-buffer pgg-output-buffer
+ (set-buffer-multibyte t)
+ (insert-buffer-substring pgg-errors-buffer))
+ t)))
(provide 'pgg-gpg)
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