* epg.el (epg--start): Don't specify --use-agent if the protocol

[elisp/epg.git] / epg.el

diff --git a/epg.el b/epg.el
index 5263632..a9efba4 100644 (file)
--- a/epg.el
+++ b/epg.el
@@ -33,6 +33,7 @@
 (defvar epg-user-id-alist nil
   "An alist mapping from key ID to user ID.")
 
+(defvar epg-last-status nil)
 (defvar epg-read-point nil)
 (defvar epg-process-filter-running nil)
 (defvar epg-pending-status-list nil)
@@ -1060,7 +1061,9 @@ This function is for internal use only."
   (let* ((args (append (list "--no-tty"
                             "--status-fd" "1"
                             "--yes")
-                      (if (string-match ":" (or (getenv "GPG_AGENT_INFO") ""))
+                      (if (and (not (eq (epg-context-protocol context) 'CMS))
+                               (string-match ":" (or (getenv "GPG_AGENT_INFO")
+                                                     "")))
                           '("--use-agent"))
                       (if (and (not (eq (epg-context-protocol context) 'CMS))
                                (epg-context-progress-callback context))
@@ -1091,6 +1094,8 @@ This function is for internal use only."
                           epg-gpg-program)
                          (mapconcat #'identity args " ")))))
     (with-current-buffer buffer
+      (make-local-variable 'epg-last-status)
+      (setq epg-last-status nil)
       (make-local-variable 'epg-read-point)
       (setq epg-read-point (point-min))
       (make-local-variable 'epg-process-filter-running)
@@ -1143,7 +1148,8 @@ This function is for internal use only."
                            (setq epg-pending-status-list nil))
                        (if (and symbol
                                 (fboundp symbol))
-                           (funcall symbol epg-context string))))
+                           (funcall symbol epg-context string))
+                       (setq epg-last-status (cons status string))))
                  (forward-line)
                  (setq epg-read-point (point))))
            (setq epg-process-filter-running nil))))))
@@ -1256,13 +1262,24 @@ This function is for internal use only."
        (if encoded-passphrase-with-new-line
            (epg--clear-string encoded-passphrase-with-new-line))))))
 
+(defun epg--prompt-GET_BOOL (context string)
+  (let ((entry (assoc string epg-prompt-alist)))
+    (y-or-n-p (if entry (cdr entry) (concat string "? ")))))
+
+(defun epg--prompt-GET_BOOL-untrusted_key.override (context string)
+  (y-or-n-p (if (equal (car epg-last-status) "USERID_HINT")
+               (format "Untrusted key %s.  Use anyway? "
+                       (cdr epg-last-status))
+             "Use untrusted key anyway? ")))
+
 (defun epg--status-GET_BOOL (context string)
-  (let ((entry (assoc string epg-prompt-alist))
-       inhibit-quit)
+  (let (inhibit-quit)
     (condition-case nil
-      (if (y-or-n-p (if entry (cdr entry) (concat string "? ")))
-         (process-send-string (epg-context-process context) "y\n")
-       (process-send-string (epg-context-process context) "n\n"))
+       (if (funcall (or (intern-soft (concat "epg--prompt-GET_BOOL-" string))
+                        #'epg--prompt-GET_BOOL)
+                    context string)
+           (process-send-string (epg-context-process context) "y\n")
+         (process-send-string (epg-context-process context) "n\n"))
       (quit
        (epg-context-set-result-for
        context 'error
@@ -1378,9 +1395,10 @@ This function is for internal use only."
       (epg-signature-set-creation-time
        signature
        (epg--time-from-seconds (match-string 2 string)))
-      (epg-signature-set-expiration-time
-       signature
-       (epg--time-from-seconds (match-string 3 string)))
+      (unless (equal (match-string 3 string) "0")
+       (epg-signature-set-expiration-time
+        signature
+        (epg--time-from-seconds (match-string 3 string))))
       (epg-signature-set-version
        signature
        (string-to-number (match-string 4 string)))
@@ -1671,7 +1689,8 @@ This function is for internal use only."
    (string-to-number (aref line 2))
    (aref line 4)
    (epg--time-from-seconds (aref line 5))
-   (epg--time-from-seconds (aref line 6))))
+   (if (aref line 6)
+       (epg--time-from-seconds (aref line 6)))))
 
 ;;;###autoload
 (defun epg-list-keys (context &optional name mode)
@@ -2481,7 +2500,7 @@ PARAMETERS is a string which tells how to create the key."
 (defun epg--decode-hexstring (string)
   (let ((index 0))
     (while (eq index (string-match "[0-9A-Fa-f][0-9A-Fa-f]" string index))
-      (setq string (replace-match "\\x\\&" t nil string)
+      (setq string (replace-match "\\\\x\\&" t nil string)
            index (+ index 4)))
     (car (read-from-string (concat "\"" string "\"")))))
 
@@ -2494,7 +2513,7 @@ PARAMETERS is a string which tells how to create the key."
          (setq string (replace-match "\\2" t nil string)
                index (1+ index))
        (if (match-beginning 3)
-           (setq string (replace-match "\\x\\3" t nil string)
+           (setq string (replace-match "\\\\x\\3" t nil string)
                  index (+ index 4))
          (setq string (replace-match "\\\\\\\\\\4" t nil string)
                index (+ index 3)))))