update.
[elisp/semi.git] / pgg-pgp5.el
index e8066fb..89aeda9 100644 (file)
@@ -1,6 +1,6 @@
 ;;; pgg-pgp5.el --- PGP 5.* support for PGG.
 
-;; Copyright (C) 1999 Daiki Ueno
+;; Copyright (C) 1999,2000 Daiki Ueno
 
 ;; Author: Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
 ;; Created: 1999/11/02
   "PGP 5.* interface"
   :group 'pgg)
 
-(defcustom pgg-pgp5-pgpe-program "pgpe" 
+(defcustom pgg-pgp5-pgpe-program "pgpe"
   "PGP 5.* 'pgpe' executable."
   :group 'pgg-pgp5
   :type 'string)
 
-(defcustom pgg-pgp5-pgps-program "pgps" 
+(defcustom pgg-pgp5-pgps-program "pgps"
   "PGP 5.* 'pgps' executable."
   :group 'pgg-pgp5
   :type 'string)
 
-(defcustom pgg-pgp5-pgpk-program "pgpk" 
+(defcustom pgg-pgp5-pgpk-program "pgpk"
   "PGP 5.* 'pgpk' executable."
   :group 'pgg-pgp5
   :type 'string)
 
-(defcustom pgg-pgp5-pgpv-program "pgpv" 
+(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>\"."
+  "File name to load inferior shells from.
+Bourne shell or its equivalent \(not tcsh) is needed for \"2>\"."
   :group 'pgg-pgp5
   :type 'string)
 
   :type 'string)
 
 (defcustom pgg-pgp5-extra-args nil
-  "Extra arguments for every PGP invocation."
+  "Extra arguments for every PGP 5.* invocation."
   :group 'pgg-pgp5
   :type 'string)
 
 (eval-and-compile
-  (luna-define-class pgg-scheme-pgp5 (pgg-scheme))
-  )
-  
+  (luna-define-class pgg-scheme-pgp5 (pgg-scheme)))
+
 (defvar pgg-pgp5-user-id nil
-  "GnuPG ID of your default identity.")
+  "PGP 5.* ID of your default identity.")
 
 (defvar pgg-scheme-pgp5-instance nil)
 
 
 (defun pgg-pgp5-process-region (start end passphrase program args)
   (let* ((errors-file-name
-         (concat temporary-file-directory 
+         (concat temporary-file-directory
                  (make-temp-name "pgg-errors")))
-        (args 
-         (append args 
+        (args
+         (append args
                  pgg-pgp5-extra-args
                  (list (concat "2>" errors-file-name))))
         (shell-file-name pgg-pgp5-shell-file-name)
      (setq process
           (apply #'start-process-shell-command "*PGP*" output-buffer
                  program args)))
-    (set-process-sentinel process 'ignore)
+    (set-process-sentinel process #'ignore)
     (when passphrase
       (process-send-string process (concat passphrase "\n")))
     (process-send-region process start end)
       (delete-file errors-file-name)
       
       (if (and process (eq 'run (process-status process)))
-         (interrupt-process process))
-      )
-    ))
+         (interrupt-process process)))))
 
-(luna-define-method lookup-key-string ((scheme pgg-scheme-pgp5) 
-                                      string &optional type)
+(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 args)
+      (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 encrypt-region ((scheme pgg-scheme-pgp5) 
-                                   start end recipients)
+       (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 
+        (args
          `("+NoBatchInvalidKeys=off" "-fat" "+batchmode=1"
            ,@(if recipients
-                 (apply #'append 
-                        (mapcar (lambda (rcpt) 
-                                  (list "-r" 
-                                        (concat "\"" rcpt "\""))) 
+                 (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 decrypt-region ((scheme pgg-scheme-pgp5) 
-                                   start end)
+                                            (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 
+         (pgg-read-passphrase
           (format "PGP passphrase for %s: " pgg-pgp5-user-id)
-          (luna-send scheme 'lookup-key-string 
-                     scheme pgg-pgp5-user-id 'encrypt)))
-        (args 
+          (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)
-    ))
+    (pgg-pgp5-process-region start end passphrase pgg-pgp5-pgpv-program args)
+    (pgg-process-when-success nil)))
 
-(luna-define-method sign-region ((scheme pgg-scheme-pgp5) 
-                                start end &optional clearsign)
+(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 
+         (pgg-read-passphrase
           (format "PGP passphrase for %s: " pgg-pgp5-user-id)
-          (luna-send scheme 'lookup-key-string 
-                     scheme pgg-pgp5-user-id 'sign)))
-        (args 
+          (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-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 
+       (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 
+             (pgg-add-passphrase-cache
               (cdr (assq 'key-identifier packet))
-              passphrase)))))
-    ))
+              passphrase)))))))
 
-(luna-define-method verify-region ((scheme pgg-scheme-pgp5) 
-                                  start end &optional signature)
+(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"))
     (unwind-protect
        (progn
          (set-default-file-modes 448)
-         (write-region-as-binary start end orig-file)
-         )
+         (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-min)(point-max) nil
-                            pgg-pgp5-pgpv-program args)
+      (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))
-    (pgg-process-when-success nil)
-    ))
-
-(luna-define-method insert-key ((scheme pgg-scheme-pgp5))
+    (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" 
+         (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)
-    ))
+    (pgg-pgp5-process-region (point)(point) nil pgg-pgp5-pgpk-program args)
+    (insert-buffer-substring pgg-output-buffer)))
 
-(luna-define-method snarf-keys-region ((scheme pgg-scheme-pgp5)
-                                      start end)
+(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" 
+        (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)
+    (pgg-pgp5-process-region start end nil pgg-pgp5-pgpk-program args)
     (delete-file key-file)
-    (pgg-process-when-success nil)
-    ))
+    (pgg-process-when-success nil)))
 
 (provide 'pgg-pgp5)