update.
[elisp/semi.git] / pgg-pgp5.el
index 6e7a920..8598e0e 100644 (file)
   :type 'string)
 
 (defcustom pgg-pgp5-shell-file-name "/bin/sh"
-  "The GnuPG executable."
+  "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)
 
@@ -85,6 +91,7 @@
                  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)
     (with-current-buffer (get-buffer-create output-buffer)
       (buffer-disable-undo)
       (erase-buffer))
-    (setq process
-         (apply #'start-process-shell-command "*PGP*" output-buffer
-                program args))
+    (when passphrase
+      (setenv "PGPPASSFD" "0"))
+    (as-binary-process
+     (setq process
+          (apply #'start-process-shell-command "*PGP*" output-buffer
+                 program args)))
     (set-process-sentinel process 'ignore)
     (when passphrase
-      (setenv "PGPPASSFD" "0")
       (process-send-string process (concat passphrase "\n")))
     (process-send-region process start end)
     (process-send-eof process)
          exit-status (process-exit-status process))
     (delete-process process)
     (with-current-buffer output-buffer
-      (goto-char (point-min))
-      (while (search-forward "\r$" nil t)
-       (replace-match ""))
+      (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)
 (luna-define-method lookup-key-string ((scheme pgg-scheme-pgp5) 
                                       string &optional type)
   (let ((args (list "+language=en" "-l" string)))
-    (pgg-pgp5-process-region (point)(point) nil
-                            pgg-pgp5-pgpk-program args)
-    (with-current-buffer pgg-output-buffer
+    (with-current-buffer (get-buffer-create pgg-output-buffer)
+      (buffer-disable-undo)
+      (erase-buffer)
+      (apply #'call-process pgg-pgp5-pgpk-program  nil t args)
       (goto-char (point-min))
       (when (re-search-forward "^sec" nil t)
        (substring 
 (luna-define-method encrypt-region ((scheme pgg-scheme-pgp5) 
                                    start end recipients)
   (let* ((pgg-pgp5-user-id pgg-default-user-id)
-        (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 
          `("+NoBatchInvalidKeys=off" "-fat" "+batchmode=1"
            ,@(if recipients
                         (mapcar (lambda (rcpt) 
                                   (list "-r" 
                                         (concat "\"" rcpt "\""))) 
-                                recipients))))))
-    (pgg-pgp5-process-region start end passphrase 
+                                (append recipients
+                                        (if pgg-encrypt-for-me
+                                            (list pgg-pgp5-user-id)))))))
+         ))
+    (pgg-pgp5-process-region start end nil
                             pgg-pgp5-pgpe-program args)
-    (with-current-buffer pgg-output-buffer
-      (if (zerop (buffer-size))
-         (insert-buffer-substring pgg-errors-buffer)
-       (let ((packet 
-              (cdr (assq 1 (pgg-parse-armor-region 
-                            (point-min)(point-max))))))
-         (pgg-add-passphrase-cache 
-          (cdr (assq 'key-identifier packet))
-          passphrase))))
+    (pgg-process-when-success nil)
     ))
 
 (luna-define-method decrypt-region ((scheme pgg-scheme-pgp5) 
          '("+verbose=1" "+batchmode=1" "+language=us" "-f")))
     (pgg-pgp5-process-region start end passphrase 
                             pgg-pgp5-pgpv-program args)
-    (with-current-buffer pgg-output-buffer
-      (when (zerop (buffer-size))
-       (insert-buffer-substring pgg-errors-buffer)))
+    (pgg-process-when-success nil)
     ))
 
 (luna-define-method sign-region ((scheme pgg-scheme-pgp5) 
-                                start end)
+                                start end &optional clearsign)
   (let* ((pgg-pgp5-user-id pgg-default-user-id)
         (passphrase
          (pgg-read-passphrase 
           (luna-send scheme 'lookup-key-string 
                      scheme pgg-pgp5-user-id 'sign)))
         (args 
-         (list "-fbat" "+verbose=1" "+language=us" "+batchmode=1"
+         (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)
-    (with-current-buffer pgg-output-buffer
-      (if (zerop (buffer-size))
-         (insert-buffer-substring pgg-errors-buffer)
+    (pgg-process-when-success
+      (when (re-search-forward "^-+BEGIN PGP SIGNATURE" nil t);XXX
        (let ((packet 
               (cdr (assq 2 (pgg-parse-armor-region 
-                            (point-min)(point-max))))))
+                            (progn (beginning-of-line 2)
+                                   (point))
+                            (point-max))))))
          (pgg-add-passphrase-cache 
           (cdr (assq 'key-identifier packet))
           passphrase))))
     (pgg-pgp5-process-region (point-min)(point-max) nil
                             pgg-pgp5-pgpv-program args)
     (delete-file orig-file)
-    (delete-file signature)
-    (set-buffer pgg-output-buffer)
-    (with-current-buffer pgg-output-buffer
-      (when (zerop (buffer-size))
-       (insert-buffer-substring pgg-errors-buffer)))
+    (if signature (delete-file signature))
+    (pgg-process-when-success nil)
     ))
 
 (luna-define-method insert-key ((scheme pgg-scheme-pgp5))
     (pgg-pgp5-process-region start end nil
                             pgg-pgp5-pgpk-program args)
     (delete-file key-file)
+    (pgg-process-when-success nil)
     ))
 
 (provide 'pgg-pgp5)