* mime-pgp.el (mime-pgp-fetch-key, mime-pgp-show-fetched-key-for-pgp, semi-pgpgpg_09
authoryamaoka <yamaoka>
Wed, 14 Apr 1999 07:40:30 +0000 (07:40 +0000)
committeryamaoka <yamaoka>
Wed, 14 Apr 1999 07:40:30 +0000 (07:40 +0000)
mime-pgp-show-fetched-key-for-pgp50, mime-pgp-show-fetched-key-for-gpg): New
functions.
(mime-pgp-show-fetched-key): New macro.
(mime-pgp-fetch-timeout, mime-pgp-http-proxy-server-port,
mime-pgp-http-proxy-server-address, mime-pgp-http-proxy-url-template,
mime-pgp-keyserver-port, mime-pgp-keyserver-address,
mime-pgp-keyserver-url-template): New user options.
(mime-pgp-key-expected-regexp-alist, mime-pgp-bad-signature-regexp-alist,
mime-pgp-good-signature-regexp-alist, mime-pgp-default-language-alist,
mime-pgp-command-alist): Change the customization group to `mime-pgp'.
(mime-pgp): New group for customization.

* mime-mc.el (mime-mc-pgp50-process-region, mime-mc-gpg-process-region):
Deactivate passwd if detecting the value of `micalg' is failed and
`mc-passwd-timeout' is nil; remove useless `progn's.
(mime-mc-comment-alist, mime-mc-omit-micalg, mime-mc-shell-file-name): Change
the customization group to `mime-mc'.
(mime-mc): New group for customization.

ChangeLog
mime-mc.el
mime-pgp.el

index 6eb18a0..d27de64 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,33 @@
 1999-04-14  Katsumi Yamaoka   <yamaoka@jpl.org>
 
+       * mime-pgp.el (mime-pgp-fetch-key,
+       mime-pgp-show-fetched-key-for-pgp,
+       mime-pgp-show-fetched-key-for-pgp50,
+       mime-pgp-show-fetched-key-for-gpg): New functions.
+       (mime-pgp-show-fetched-key): New macro.
+       (mime-pgp-fetch-timeout, mime-pgp-http-proxy-server-port,
+       mime-pgp-http-proxy-server-address,
+       mime-pgp-http-proxy-url-template, mime-pgp-keyserver-port,
+       mime-pgp-keyserver-address, mime-pgp-keyserver-url-template): New
+       user options.
+       (mime-pgp-key-expected-regexp-alist,
+       mime-pgp-bad-signature-regexp-alist,
+       mime-pgp-good-signature-regexp-alist,
+       mime-pgp-default-language-alist, mime-pgp-command-alist): Change
+       the customization group to `mime-pgp'.
+       (mime-pgp): New group for customization.
+
+       * mime-mc.el (mime-mc-pgp50-process-region,
+       mime-mc-gpg-process-region): Deactivate passwd if detecting the
+       value of `micalg' is failed and `mc-passwd-timeout' is nil; remove
+       useless `progn's.
+       (mime-mc-comment-alist, mime-mc-omit-micalg,
+       mime-mc-shell-file-name): Change the customization group to
+       `mime-mc'.
+       (mime-mc): New group for customization.
+
+1999-04-14  Katsumi Yamaoka   <yamaoka@jpl.org>
+
        * mime-mc.el (mime-mc-pgp50-sign-region, mime-mc-gpg-sign-region):
        Return nil if an erorr has occurred during detecting the value of
        `micalg'.
index c645323..7835ae2 100644 (file)
      (mc-snarf-keys            "mc-toplev")
      )))
 
+(defgroup mime-mc nil
+  "Mailcrypt interface for SEMI."
+  :prefix "mime-mc-"
+  :group 'mime)
+
 (defcustom mime-mc-shell-file-name "/bin/sh"
   "File name to load inferior shells from.  Bourne shell or its equivalent
 \(not tcsh) is needed for \"2>\"."
-  :group 'mime
+  :group 'mime-mc
   :type 'file)
 
 (defcustom mime-mc-omit-micalg nil
   "Non-nil value means to omit the micalg parameter for multipart/signed.
 See draft-yamamoto-openpgp-mime-00.txt (OpenPGP/MIME) for more information."
-  :group 'mime
+  :group 'mime-mc
   :type 'boolean)
 
 (defcustom mime-mc-comment-alist
@@ -79,7 +84,7 @@ See draft-yamamoto-openpgp-mime-00.txt (OpenPGP/MIME) for more information."
          (cons 'pgp string)))
   "Alist of the schemes and strings of the comment field to appear in ASCII
 armor output."
-  :group 'mime
+  :group 'mime-mc
   :type '(repeat (cons :format "%v"
                       (choice (choice-item :tag "GnuPG" gpg)
                               (choice-item :tag "PGP 5.0i" pgp50)
@@ -238,9 +243,8 @@ optional argument COMMENT if it is specified."
          (make-temp-name (expand-file-name "mailcrypt-gpg-status-"
                                            mc-temp-directory)))
     (unwind-protect
-       (progn
-         ;; Returns non-nil if success, otherwise nil with error message.
-         (catch 'mime-mc-gpg-process-region-done
+       (catch ;; Returns non-nil if success, otherwise nil with error message.
+           'mime-mc-gpg-process-region-done
 
          ;; get output places ready
          (setq mybuf (get-buffer-create " *mailcrypt stdout temp"))
@@ -375,7 +379,7 @@ Content-Transfer-Encoding: 7bit
 
          ;; return result
          (cdr parser-result)
-         ))
+         )
       ;; cleanup forms
       (if (and proc (eq 'run (process-status proc)))
          ;; it is still running. kill it.
@@ -448,6 +452,7 @@ Content-Transfer-Encoding: 7bit
                            )
                      (set-alist 'mime-mc-micalg-alist (cdr key) micalg)
                      )
+                 (or mc-passwd-timeout (mc-deactivate-passwd t))
                  ))
            )))
     (if (or mime-mc-omit-micalg micalg)
@@ -508,9 +513,8 @@ optional argument COMMENT if it is specified."
        (setq args (cons "+comment=DUMMY" args))
       )
     (unwind-protect
-       (progn
-         ;; Returns non-nil if success, otherwise nil with error message.
-         (catch 'mime-mc-pgp50-process-region-done
+       (catch ;; Returns non-nil if success, otherwise nil with error message.
+           'mime-mc-pgp50-process-region-done
 
          (setq mybuf (or buffer (generate-new-buffer " *mailcrypt temp")))
          (set-buffer mybuf)
@@ -576,7 +580,7 @@ Content-Transfer-Encoding: 7bit
                (delete-region (car rgn) (cdr rgn))))
 
          ;; Return nil on failure and exit code on success
-         (if rgn result nil)))
+         (if rgn result nil))
 
       ;; Cleanup even on nonlocal exit
       (if (and proc (eq 'run (process-status proc)))
@@ -736,6 +740,7 @@ Content-Transfer-Encoding: 7bit
                (setq micalg (downcase (or (std11-fetch-field "Hash") "md5")))
                (set-alist 'mime-mc-micalg-alist (cdr key) micalg)
                )
+           (or mc-passwd-timeout (mc-deactivate-passwd t))
            ))
       )
     (if (or mime-mc-omit-micalg micalg)
index 956801f..115e9e7 100644 (file)
 (require 'semi-def)
 (require 'mime-play)
 
+(defgroup mime-pgp nil
+  "Internal methods for either PGP or GnuPG."
+  :prefix "mime-pgp-"
+  :group 'mime)
 
 ;;; @ Internal method for multipart/signed
 ;;;
 ;;; It is based on RFC 2015 (PGP/MIME) and
 ;;; draft-yamamoto-openpgp-mime-00.txt (OpenPGP/MIME).
 
-
 (defcustom mime-pgp-command-alist '((gpg   . "gpg")
                                    (pgp50 . "pgp")
                                    (pgp   . "pgp"))
 
 COMMAND for `pgp50' must *NOT* have a suffix, like neither \"pgpe\", \"pgpk\",
 \"pgps\" nor \"pgpv\"."
-  :group 'mime
+  :group 'mime-pgp
   :type '(repeat (cons :format "%v"
                       (choice (choice-item :tag "GnuPG" gpg)
                               (choice-item :tag "PGP 5.0i" pgp50)
@@ -149,7 +152,7 @@ COMMAND for `pgp50' must *NOT* have a suffix, like neither \"pgpe\", \"pgpk\",
   "Alist of the schemes and the symbol of languages.  It should be ISO 639
 2 letter language code such as en, ja, ...  Each element looks like
 \(SCHEME . SYMBOL).  See also `mime-pgp-command-alist' for valid SCHEMEs."
-  :group 'mime
+  :group 'mime-pgp
   :type '(repeat (cons :format "%v"
                       (choice (choice-item :tag "GnuPG" gpg)
                               (choice-item :tag "PGP 5.0i" pgp50)
@@ -172,7 +175,7 @@ detecting ``Good signature''.  The optional symbol of the post processing
 function for arranging the output message can be specified in each element.
 It will be called just after re-search is done successfully, and it is
 expected that the function returns a string for messaging."
-  :group 'mime
+  :group 'mime-pgp
   :type '(repeat (cons :format "%v"
                       (choice (choice-item :tag "GnuPG" gpg)
                               (choice-item :tag "PGP 5.0i" pgp50)
@@ -198,7 +201,7 @@ detecting ``BAD signature''.  The optional symbol of the post processing
 function for arranging the output message can be specified in each element.
 It will be called just after re-search is done successfully, and it is
 expected that the function returns a string for messaging."
-  :group 'mime
+  :group 'mime-pgp
   :type '(repeat (cons :format "%v"
                       (choice (choice-item :tag "GnuPG" gpg)
                               (choice-item :tag "PGP 5.0i" pgp50)
@@ -222,7 +225,7 @@ expected that the function returns a string for messaging."
      ))
   "Alist of the schemes and alist of the languages and regexps for detecting
 ``Key expected''."
-  :group 'mime
+  :group 'mime-pgp
   :type '(repeat (cons :format "%v"
                       (choice (choice-item :tag "GnuPG" gpg)
                               (choice-item :tag "PGP 5.0i" pgp50)
@@ -508,6 +511,221 @@ key-ID if it is found."
     ))
 
 
+;;; @ Internal method for fetching a public key
+;;;
+
+(defcustom mime-pgp-keyserver-url-template "/pks/lookup?op=get&search=%s"
+  "The URL to pass to the keyserver."
+  :group 'mime-pgp
+  :type 'string)
+
+(defcustom mime-pgp-keyserver-address "pgp.nic.ad.jp"
+  "Host name of keyserver."
+  :group 'mime-pgp
+  :type 'string)
+
+(defcustom mime-pgp-keyserver-port 11371
+  "Port on which the keyserver's HTTP daemon lives."
+  :group 'mime-pgp
+  :type 'integer)
+
+(defcustom mime-pgp-http-proxy-url-template
+  "/cgi-bin/pgpsearchkey.pl?op=get&search=%s"
+  "The URL to pass to the keyserver via HTTP proxy."
+  :group 'mime-pgp
+  :type 'string)
+
+(defcustom mime-pgp-http-proxy-server-address nil
+  "Host name of HTTP proxy server.  If you are behind firewalls, set the
+values of this variable and `mime-pgp-http-proxy-server-port' appropriately."
+  :group 'mime-pgp
+  :type 'string)
+
+(defcustom mime-pgp-http-proxy-server-port 8080
+  "Port on which the proxy server's HTTP daemon lives."
+  :group 'mime-pgp
+  :type 'integer)
+
+(defcustom mime-pgp-fetch-timeout 20
+  "Timeout, in seconds, for any particular key fetch operation."
+  :group 'mime-pgp
+  :type 'integer)
+
+(defmacro mime-pgp-show-fetched-key (key scroll &rest args)
+  (` (let ((buffer (get-buffer-create "*fetched keys*"))
+          start)
+       (with-current-buffer buffer
+        (erase-buffer)
+        (insert (, key))
+        (as-binary-process
+         (call-process-region
+          (point-min) (point-max) (mime-pgp-command 'v) t t (,@ args))
+         )
+        (goto-char (point-min))
+        (forward-line (, scroll))
+        (setq start (point))
+        )
+       (display-buffer buffer)
+       (set-window-start (get-buffer-window buffer) start)
+       )))
+
+(defun mime-pgp-show-fetched-key-for-gpg (key)
+  (mime-pgp-show-fetched-key key 0)
+  )
+
+(defun mime-pgp-show-fetched-key-for-pgp50 (key)
+  (let ((buffer (get-buffer-create "*fetched keys*"))
+       (process-environment process-environment)
+       process-connection-type process start)
+    (setenv "PGPPASSFD" nil)
+    (with-current-buffer buffer
+      (erase-buffer)
+      (setq process
+           (start-process "*show fetched keys*"
+                          buffer (mime-pgp-command 'v)
+                          "-f" "+batchmode=0" "+language=us")
+           )
+      (set-process-coding-system process 'binary 'binary)
+      (process-send-string process key)
+      (process-send-eof process)
+      (while
+         (progn
+           (accept-process-output process 1)
+           (goto-char (point-min))
+           (not
+            (re-search-forward
+             "^Add these keys to your keyring\\? \\[Y/n\\] "
+             nil t))
+           ))
+      (delete-process process)
+      (goto-char (point-min))
+      (forward-line 10)
+      (setq start (point))
+      )
+    (display-buffer buffer)
+    (set-window-start (get-buffer-window buffer) start)
+    ))
+
+(defun mime-pgp-show-fetched-key-for-pgp (key)
+  (mime-pgp-show-fetched-key key 7 "-f" "+language=en")
+  )
+
+(defun mime-pgp-fetch-key (&optional id)
+  "Attempt to fetch a key via HTTP for addition to PGP or GnuPG keyring.
+Interactively, prompt for string matching key to fetch.
+
+Non-interactively, ID must be a pair.  The CAR must be a bare Email
+address and the CDR a keyID (with \"0x\" prefix).  Either, but not
+both, may be nil.
+
+Return t if we think we were successful; nil otherwise.  Note that nil
+is not necessarily an error, since we may have merely fired off an Email
+request for the key.
+
+If you want to use this function for verifying a message of PGP/MIME,
+for example, please put the following lines in your startup file:
+
+  (eval-after-load \"semi-def\"
+    '(progn (require 'alist)
+           (set-alist 'pgp-function-alist 'fetch-key
+                      '(mime-pgp-fetch-key \"mime-pgp\"))
+           (autoload 'mime-pgp-fetch-key \"mime-pgp\" nil t)
+           ))
+
+In addition, if you are behind firewalls, please set the values of
+`mime-pgp-http-proxy-server-address' and `mime-pgp-http-proxy-server-port'
+appropriately."
+  (interactive)
+  (let ((buffer (get-buffer-create "*key fetch*"))
+       (server (or mime-pgp-http-proxy-server-address
+                   mime-pgp-keyserver-address))
+       (port (or mime-pgp-http-proxy-server-port
+                 mime-pgp-keyserver-port))
+       (url-template
+        (if mime-pgp-http-proxy-server-address
+            (concat "http://"
+                    mime-pgp-keyserver-address
+                    mime-pgp-http-proxy-url-template
+                    " HTTP/1.0\r\n")
+          mime-pgp-keyserver-url-template))
+       (show-function (intern (format "mime-pgp-show-fetched-key-for-%s"
+                                      pgp-version)))
+       (snarf-function (pgp-function 'snarf-keys))
+       (window-config (current-window-configuration))
+       case-fold-search process-connection-type process)
+    (unwind-protect
+       (catch 'mime-pgp-fetch-key-done
+         (cond ((interactive-p)
+                (setq id (read-string "Fetch key for: "))
+                (cond ((string-equal "" id)
+                       (message "Aborted")
+                       (throw 'mime-pgp-fetch-key-done nil)
+                       )
+                      ((string-match "^0[Xx]" id)
+                       (setq id (cons nil id))
+                       )
+                      (t
+                       (setq id (cons id nil))
+                       )))
+               ((or (null id)
+                    (not (or (stringp (car id)) (stringp (cdr id)))))
+                (message "Aborted")
+                (throw 'mime-pgp-fetch-key-done nil)
+                ))
+         (with-current-buffer buffer
+           (erase-buffer)
+           (message "Fetching %s via HTTP to %s..."
+                    (or (cdr id) (car id))
+                    mime-pgp-keyserver-address
+                    )
+           (condition-case err
+               (setq process (open-network-stream-as-binary
+                              "*key fetch*" buffer server port)
+                     )
+             (error
+              (message "%s" err)
+              (throw 'mime-pgp-fetch-key-done nil)
+              ))
+           (if (not process)
+               (progn
+                 (message "Can't connect to %s%s."
+                          mime-pgp-keyserver-address
+                          (if mime-pgp-http-proxy-server-address
+                              (concat "via "
+                                      mime-pgp-http-proxy-server-address)
+                            ""))
+                 (throw 'mime-pgp-fetch-key-done nil)
+                 )
+             (process-send-string
+              process
+              (concat "GET " (format url-template
+                                     (or (cdr id) (car id))) "\r\n")
+              )
+             (while (and (eq 'open (process-status process))
+                         (accept-process-output process
+                                                mime-pgp-fetch-timeout)
+                         ))
+             (delete-process process)
+             (goto-char (point-min))
+             (if (and (re-search-forward
+                       "^-----BEGIN PGP PUBLIC KEY BLOCK-----\r?$" nil t)
+                      (progn
+                        (delete-region (point-min) (match-beginning 0))
+                        (re-search-forward
+                         "^-----END PGP PUBLIC KEY BLOCK-----\r?$" nil t)
+                        ))
+                 (progn
+                   (delete-region (1+ (match-end 0)) (point-max))
+                   (funcall show-function (buffer-string))
+                   (if (y-or-n-p "Add this key to keyring? ")
+                       (funcall snarf-function)
+                     ))
+               (message "Key not found.")
+               nil))))
+      (set-window-configuration window-config)
+      )))
+
+
 ;;; @ end
 ;;;