X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fmml1991.el;h=bb5c940f1737242e007c5307527a4d5a9c9ec275;hp=098599bdbd38720e2d5767f0438affae1ceaa7ef;hb=7067d9be35e2177e6b891ede1db93f9af6c7e234;hpb=7b53952860af6f271302b6fb23a6d28810ac60a3 diff --git a/lisp/mml1991.el b/lisp/mml1991.el index 098599bdb..bb5c940f1 100644 --- a/lisp/mml1991.el +++ b/lisp/mml1991.el @@ -1,49 +1,90 @@ -;;; mml-gpg-old.el --- Old PGP message format (RFC 1991) support for MML -;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. +;;; mml1991.el --- Old PGP message format (RFC 1991) support for MML -;; Author: Sascha Lüdecke , +;; Copyright (C) 1998-2016 Free Software Foundation, Inc. + +;; Author: Sascha Lüdecke , ;; Simon Josefsson (Mailcrypt interface, Gnus glue) -;; Keywords PGP +;; Keywords: PGP -;; This file is (not yet) part of GNU Emacs. +;; This file is part of GNU Emacs. -;; GNU Emacs is free software; you can redistribute it and/or modify +;; GNU Emacs 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. +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. ;; GNU Emacs 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 +;; 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. +;; along with GNU Emacs. If not, see . ;;; Commentary: -;; RCS: $Id: mml1991.el,v 6.11 2002/10/05 05:31:37 jas Exp $ - ;;; Code: +(eval-and-compile + (if (locate-library "password-cache") + (require 'password-cache) + (require 'password))) + +(eval-when-compile + (require 'cl) + (require 'mm-util)) + +(require 'mm-encode) +(require 'mml-sec) + +(defvar mc-pgp-always-sign) + +(autoload 'quoted-printable-decode-region "qp") +(autoload 'quoted-printable-encode-region "qp") + +(autoload 'mm-decode-content-transfer-encoding "mm-bodies") +(autoload 'mm-encode-content-transfer-encoding "mm-bodies") +(autoload 'message-options-get "message") +(autoload 'message-options-set "message") + +(require 'mml2015) + (defvar mml1991-use mml2015-use "The package used for PGP.") (defvar mml1991-function-alist '((mailcrypt mml1991-mailcrypt-sign mml1991-mailcrypt-encrypt) - (gpg mml1991-gpg-sign - mml1991-gpg-encrypt) (pgg mml1991-pgg-sign - mml1991-pgg-encrypt)) + mml1991-pgg-encrypt) + (epg mml1991-epg-sign + mml1991-epg-encrypt)) "Alist of PGP functions.") +(defvar mml1991-cache-passphrase mml-secure-cache-passphrase + "If t, cache passphrase.") +(make-obsolete-variable 'mml1991-cache-passphrase + 'mml-secure-cache-passphrase + "25.1") + +(defvar mml1991-passphrase-cache-expiry mml-secure-passphrase-cache-expiry + "How many seconds the passphrase is cached. +Whether the passphrase is cached at all is controlled by +`mml1991-cache-passphrase'.") +(make-obsolete-variable 'mml1991-passphrase-cache-expiry + 'mml-secure-passphrase-cache-expiry + "25.1") + +(defvar mml1991-signers nil + "A list of your own key ID which will be used to sign a message.") + +(defvar mml1991-encrypt-to-self nil + "If t, add your own key ID to recipient list when encryption.") + + ;;; mailcrypt wrapper -(eval-and-compile - (autoload 'mc-sign-generic "mc-toplev")) +(autoload 'mc-sign-generic "mc-toplev") (defvar mml1991-decrypt-function 'mailcrypt-decrypt) (defvar mml1991-verify-function 'mailcrypt-verify) @@ -55,17 +96,16 @@ ;; Save MIME Content[^ ]+: headers from signing (goto-char (point-min)) (while (looking-at "^Content[^ ]+:") (forward-line)) - (if (> (point) (point-min)) - (progn - (setq headers (buffer-substring (point-min) (point))) - (kill-region (point-min) (point)))) + (unless (bobp) + (setq headers (buffer-string)) + (delete-region (point-min) (point))) (goto-char (point-max)) (unless (bolp) (insert "\n")) (quoted-printable-decode-region (point-min) (point-max)) (with-temp-buffer (setq signature (current-buffer)) - (insert-buffer text) + (insert-buffer-substring text) (unless (mc-sign-generic (message-options-get 'message-sender) nil nil nil nil) (unless (> (point-max) (point-min)) @@ -76,185 +116,204 @@ (replace-match "" t t)) (quoted-printable-encode-region (point-min) (point-max)) (set-buffer text) - (kill-region (point-min) (point-max)) + (delete-region (point-min) (point-max)) (if headers (insert headers)) (insert "\n") - (insert-buffer signature) + (insert-buffer-substring signature) (goto-char (point-max))))) -(defun mml1991-mailcrypt-encrypt (cont) - (let ((text (current-buffer)) - cipher - (result-buffer (get-buffer-create "*GPG Result*"))) - ;; Strip MIME Content[^ ]: headers since it will be ASCII ARMOURED - (goto-char (point-min)) - (while (looking-at "^Content[^ ]+:") (forward-line)) - (if (> (point) (point-min)) - (progn - (kill-region (point-min) (point)))) - (mm-with-unibyte-current-buffer-mule4 - (with-temp-buffer - (setq cipher (current-buffer)) - (insert-buffer text) - (unless (mc-encrypt-generic - (or - (message-options-get 'message-recipients) - (message-options-set 'message-recipients - (read-string "Recipients: "))) - nil - (point-min) (point-max) - (message-options-get 'message-sender) - 'sign) - (unless (> (point-max) (point-min)) - (pop-to-buffer result-buffer) - (error "Encrypt error"))) - (goto-char (point-min)) - (while (re-search-forward "\r+$" nil t) - (replace-match "" t t)) - (set-buffer text) - (kill-region (point-min) (point-max)) - ;;(insert "Content-Type: application/pgp-encrypted\n\n") - ;;(insert "Version: 1\n\n") - (insert "\n") - (insert-buffer cipher) - (goto-char (point-max)))))) - -;;; gpg wrapper +(declare-function mc-encrypt-generic "ext:mc-toplev" + (&optional recipients scheme start end from sign)) -(eval-and-compile - (autoload 'gpg-sign-cleartext "gpg")) - -(defun mml1991-gpg-sign (cont) +(defun mml1991-mailcrypt-encrypt (cont &optional sign) (let ((text (current-buffer)) - headers signature + (mc-pgp-always-sign + (or mc-pgp-always-sign + sign + (eq t (or (message-options-get 'message-sign-encrypt) + (message-options-set + 'message-sign-encrypt + (or (y-or-n-p "Sign the message? ") + 'not)))) + 'never)) + cipher (result-buffer (get-buffer-create "*GPG Result*"))) - ;; Save MIME Content[^ ]+: headers from signing + ;; Strip MIME Content[^ ]: headers since it will be ASCII ARMORED (goto-char (point-min)) (while (looking-at "^Content[^ ]+:") (forward-line)) - (if (> (point) (point-min)) - (progn - (setq headers (buffer-substring (point-min) (point))) - (kill-region (point-min) (point)))) - (goto-char (point-max)) - (unless (bolp) - (insert "\n")) - (quoted-printable-decode-region (point-min) (point-max)) + (unless (bobp) + (delete-region (point-min) (point))) (with-temp-buffer - (unless (gpg-sign-cleartext text (setq signature (current-buffer)) - result-buffer - nil - (message-options-get 'message-sender)) - (unless (> (point-max) (point-min)) - (pop-to-buffer result-buffer) - (error "Sign error"))) + (inline (mm-disable-multibyte)) + (setq cipher (current-buffer)) + (insert-buffer-substring text) + (unless (mc-encrypt-generic + (or + (message-options-get 'message-recipients) + (message-options-set 'message-recipients + (read-string "Recipients: "))) + nil + (point-min) (point-max) + (message-options-get 'message-sender) + 'sign) + (unless (> (point-max) (point-min)) + (pop-to-buffer result-buffer) + (error "Encrypt error"))) (goto-char (point-min)) (while (re-search-forward "\r+$" nil t) - (replace-match "" t t)) - (quoted-printable-encode-region (point-min) (point-max)) + (replace-match "" t t)) (set-buffer text) - (kill-region (point-min) (point-max)) - (if headers (insert headers)) + (delete-region (point-min) (point-max)) + ;;(insert "Content-Type: application/pgp-encrypted\n\n") + ;;(insert "Version: 1\n\n") (insert "\n") - (insert-buffer signature) + (insert-buffer-substring cipher) (goto-char (point-max))))) -(defun mml1991-gpg-encrypt (cont) - (let ((text (current-buffer)) - cipher - (result-buffer (get-buffer-create "*GPG Result*"))) - ;; Strip MIME Content[^ ]: headers since it will be ASCII ARMOURED - (goto-char (point-min)) - (while (looking-at "^Content[^ ]+:") (forward-line)) - (if (> (point) (point-min)) - (progn - (kill-region (point-min) (point)))) - (mm-with-unibyte-current-buffer-mule4 - (with-temp-buffer - (unless (gpg-sign-encrypt - text (setq cipher (current-buffer)) - result-buffer - (split-string - (or - (message-options-get 'message-recipients) - (message-options-set 'message-recipients - (read-string "Recipients: "))) - "[ \f\t\n\r\v,]+") - nil - (message-options-get 'message-sender) - t t) ; armor & textmode - (unless (> (point-max) (point-min)) - (pop-to-buffer result-buffer) - (error "Encrypt error"))) - (goto-char (point-min)) - (while (re-search-forward "\r+$" nil t) - (replace-match "" t t)) - (set-buffer text) - (kill-region (point-min) (point-max)) - ;;(insert "Content-Type: application/pgp-encrypted\n\n") - ;;(insert "Version: 1\n\n") - (insert "\n") - (insert-buffer cipher) - (goto-char (point-max)))))) - ;; pgg wrapper -(defvar pgg-output-buffer) +(autoload 'pgg-sign-region "pgg") +(autoload 'pgg-encrypt-region "pgg") + +(defvar pgg-default-user-id) (defvar pgg-errors-buffer) +(defvar pgg-output-buffer) (defun mml1991-pgg-sign (cont) - (let (headers) + (let ((pgg-text-mode t) + (pgg-default-user-id (or (message-options-get 'mml-sender) + pgg-default-user-id)) + headers cte) ;; Don't sign headers. (goto-char (point-min)) - (while (not (looking-at "^$")) - (forward-line)) - (unless (eobp) ;; no headers? + (when (re-search-forward "^$" nil t) (setq headers (buffer-substring (point-min) (point))) - (forward-line) ;; skip header/body separator - (kill-region (point-min) (point))) - (quoted-printable-decode-region (point-min) (point-max)) - (unless (let ((pgg-default-user-id (message-options-get 'message-sender))) - (pgg-sign-region (point-min) (point-max) t)) + (save-restriction + (narrow-to-region (point-min) (point)) + (setq cte (mail-fetch-field "content-transfer-encoding"))) + (forward-line 1) + (delete-region (point-min) (point)) + (when cte + (setq cte (intern (downcase cte))) + (mm-decode-content-transfer-encoding cte))) + (unless (pgg-sign-region (point-min) (point-max) t) (pop-to-buffer pgg-errors-buffer) (error "Encrypt error")) - (kill-region (point-min) (point-max)) - (insert-buffer pgg-output-buffer) - (quoted-printable-encode-region (point-min) (point-max)) - (goto-char (point-min)) - (if headers (insert headers)) - (insert "\n") + (delete-region (point-min) (point-max)) + (mm-with-unibyte-current-buffer + (insert-buffer-substring pgg-output-buffer) + (goto-char (point-min)) + (while (re-search-forward "\r+$" nil t) + (replace-match "" t t)) + (when cte + (mm-encode-content-transfer-encoding cte)) + (goto-char (point-min)) + (when headers + (insert headers)) + (insert "\n")) t)) -(defun mml1991-pgg-encrypt (cont) - (let (headers) - ;; Don't sign headers. - (goto-char (point-min)) - (while (not (looking-at "^$")) - (forward-line)) - (unless (eobp) ;; no headers? - (setq headers (buffer-substring (point-min) (point))) - (forward-line) ;; skip header/body separator - (kill-region (point-min) (point))) - (unless (pgg-encrypt-region - (point-min) (point-max) +(defun mml1991-pgg-encrypt (cont &optional sign) + (goto-char (point-min)) + (when (re-search-forward "^$" nil t) + (let ((cte (save-restriction + (narrow-to-region (point-min) (point)) + (mail-fetch-field "content-transfer-encoding")))) + ;; Strip MIME headers since it will be ASCII armored. + (forward-line 1) + (delete-region (point-min) (point)) + (when cte + (mm-decode-content-transfer-encoding (intern (downcase cte)))))) + (unless (let ((pgg-text-mode t)) + (pgg-encrypt-region + (point-min) (point-max) (split-string (or (message-options-get 'message-recipients) (message-options-set 'message-recipients (read-string "Recipients: "))) - "[ \f\t\n\r\v,]+")) - (pop-to-buffer pgg-errors-buffer) - (error "Encrypt error")) - (kill-region (point-min) (point-max)) - (if headers (insert headers)) - (insert "\n") - (insert-buffer pgg-output-buffer) - t)) + "[ \f\t\n\r\v,]+") + sign)) + (pop-to-buffer pgg-errors-buffer) + (error "Encrypt error")) + (delete-region (point-min) (point-max)) + (insert "\n") + (insert-buffer-substring pgg-output-buffer) + t) + +;; epg wrapper + +(defvar epg-user-id-alist) + +(autoload 'epg-make-context "epg") +(autoload 'epg-passphrase-callback-function "epg") +(autoload 'epa-select-keys "epa") +(autoload 'epg-list-keys "epg") +(autoload 'epg-context-set-armor "epg") +(autoload 'epg-context-set-textmode "epg") +(autoload 'epg-context-set-signers "epg") +(autoload 'epg-context-set-passphrase-callback "epg") +(autoload 'epg-key-sub-key-list "epg") +(autoload 'epg-sub-key-capability "epg") +(autoload 'epg-sub-key-validity "epg") +(autoload 'epg-sub-key-fingerprint "epg") +(autoload 'epg-sign-string "epg") +(autoload 'epg-encrypt-string "epg") +(autoload 'epg-configuration "epg-config") +(autoload 'epg-expand-group "epg-config") + +(defun mml1991-epg-sign (cont) + (let ((inhibit-redisplay t) + headers cte) + ;; Don't sign headers. + (goto-char (point-min)) + (when (re-search-forward "^$" nil t) + (setq headers (buffer-substring (point-min) (point))) + (save-restriction + (narrow-to-region (point-min) (point)) + (setq cte (mail-fetch-field "content-transfer-encoding"))) + (forward-line 1) + (delete-region (point-min) (point)) + (when cte + (setq cte (intern (downcase cte))) + (mm-decode-content-transfer-encoding cte))) + (let* ((pair (mml-secure-epg-sign 'OpenPGP 'clear)) + (signature (car pair))) + (delete-region (point-min) (point-max)) + (mm-with-unibyte-current-buffer + (insert signature) + (goto-char (point-min)) + (while (re-search-forward "\r+$" nil t) + (replace-match "" t t)) + (when cte + (mm-encode-content-transfer-encoding cte)) + (goto-char (point-min)) + (when headers + (insert headers)) + (insert "\n")) + t))) + +(defun mml1991-epg-encrypt (cont &optional sign) + (goto-char (point-min)) + (when (re-search-forward "^$" nil t) + (let ((cte (save-restriction + (narrow-to-region (point-min) (point)) + (mail-fetch-field "content-transfer-encoding")))) + ;; Strip MIME headers since it will be ASCII armored. + (forward-line 1) + (delete-region (point-min) (point)) + (when cte + (mm-decode-content-transfer-encoding (intern (downcase cte)))))) + (let ((cipher (mml-secure-epg-encrypt 'OpenPGP cont sign))) + (delete-region (point-min) (point-max)) + (insert "\n" cipher)) + t) ;;;###autoload -(defun mml1991-encrypt (cont) +(defun mml1991-encrypt (cont &optional sign) (let ((func (nth 2 (assq mml1991-use mml1991-function-alist)))) (if func - (funcall func cont) + (funcall func cont sign) (error "Cannot find encrypt function")))) ;;;###autoload @@ -267,7 +326,7 @@ (provide 'mml1991) ;; Local Variables: -;; coding: iso-8859-1 +;; coding: utf-8 ;; End: ;;; mml1991.el ends here