lisp/pgg.el

   1 ;;; pgg.el --- glue for the various PGP implementations.
   2
   3 ;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
   4 ;;   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
   5
   6 ;; Author: Daiki Ueno <ueno@unixuser.org>
   7 ;; Symmetric encryption added by: Sascha Wilde <wilde@sha-bang.de>
   8 ;; Created: 1999/10/28
   9 ;; Keywords: PGP
  10
  11 ;; This file is part of GNU Emacs.
  12
  13 ;; GNU Emacs is free software: you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation, either version 3 of the License, or
  16 ;; (at your option) any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  25
  26 ;;; Commentary:
  27
  28 ;; This file is on its way to obsolescence, waiting for allout.el to
  29 ;; switch to EPG.
  30
  31 ;;; Code:
  32
  33 (require 'pgg-def)
  34 (require 'pgg-parse)
  35 (autoload 'run-at-time "timer")
  36
  37 ;; Don't merge these two `eval-when-compile's.
  38 (eval-when-compile
  39   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))
  40   (require 'cl))
  41
  42 ;;; @ utility functions
  43 ;;;
  44
  45 (eval-when-compile
  46   ;; Define it as a null macro for Emacs in order to suppress a byte
  47   ;; compile warning that Emacs 21 issues.
  48   (defmacro pgg-run-at-time-1 (time repeat function args)
  49     (when (featurep 'xemacs)
  50       (if (condition-case nil
  51               (let ((delete-itimer 'delete-itimer)
  52                     (itimer-driver-start 'itimer-driver-start)
  53                     (itimer-value 'itimer-value)
  54                     (start-itimer 'start-itimer))
  55                 (unless (or (symbol-value 'itimer-process)
  56                             (symbol-value 'itimer-timer))
  57                   (funcall itimer-driver-start))
  58                 ;; Check whether there is a bug to which the difference of
  59                 ;; the present time and the time when the itimer driver was
  60                 ;; woken up is subtracted from the initial itimer value.
  61                 (let* ((inhibit-quit t)
  62                        (ctime (current-time))
  63                        (itimer-timer-last-wakeup
  64                         (prog1
  65                             ctime
  66                           (setcar ctime (1- (car ctime)))))
  67                        (itimer-list nil)
  68                        (itimer (funcall start-itimer "pgg-run-at-time"
  69                                         'ignore 5)))
  70                   (sleep-for 0.1) ;; Accept the timeout interrupt.
  71                   (prog1
  72                       (> (funcall itimer-value itimer) 0)
  73                     (funcall delete-itimer itimer))))
  74             (error nil))
  75           `(let ((time ,time))
  76              (apply #'start-itimer "pgg-run-at-time"
  77                     ,function (if time (max time 1e-9) 1e-9)
  78                     ,repeat nil t ,args)))
  79       `(let ((time ,time)
  80              (itimers (list nil)))
  81          (setcar
  82           itimers
  83           (apply #'start-itimer "pgg-run-at-time"
  84                  (lambda (itimers repeat function &rest args)
  85                    (let ((itimer (car itimers)))
  86                      (if repeat
  87                          (progn
  88                            (set-itimer-function
  89                             itimer
  90                             (lambda (itimer repeat function &rest args)
  91                               (set-itimer-restart itimer repeat)
  92                               (set-itimer-function itimer function)
  93                               (set-itimer-function-arguments itimer args)
  94                               (apply function args)))
  95                            (set-itimer-function-arguments
  96                             itimer
  97                             (append (list itimer repeat function) args)))
  98                        (set-itimer-function
  99                         itimer
 100                         (lambda (itimer function &rest args)
 101                           (delete-itimer itimer)
 102                           (apply function args)))
 103                        (set-itimer-function-arguments
 104                         itimer
 105                         (append (list itimer function) args)))))
 106                  1e-9 (if time (max time 1e-9) 1e-9)
 107                  nil t itimers ,repeat ,function ,args))))))
 108
 109 (eval-and-compile
 110   (if (featurep 'xemacs)
 111       (progn
 112         (defun pgg-run-at-time (time repeat function &rest args)
 113           "Emulating function run as `run-at-time'.
 114 TIME should be nil meaning now, or a number of seconds from now.
 115 Return an itimer object which can be used in either `delete-itimer'
 116 or `cancel-timer'."
 117           (pgg-run-at-time-1 time repeat function args))
 118         (defun pgg-cancel-timer (timer)
 119           "Emulate cancel-timer for xemacs."
 120           (let ((delete-itimer 'delete-itimer))
 121             (funcall delete-itimer timer))))
 122     (defalias 'pgg-run-at-time 'run-at-time)
 123     (defalias 'pgg-cancel-timer 'cancel-timer)))
 124
 125 (defun pgg-invoke (func scheme &rest args)
 126   (progn
 127     (require (intern (format "pgg-%s" scheme)))
 128     (apply 'funcall (intern (format "pgg-%s-%s" scheme func)) args)))
 129
 130 (put 'pgg-save-coding-system 'lisp-indent-function 2)
 131
 132 (defmacro pgg-save-coding-system (start end &rest body)
 133   `(if (called-interactively-p 'interactive)
 134        (let ((buffer (current-buffer)))
 135          (with-temp-buffer
 136            (let (buffer-undo-list)
 137              (insert-buffer-substring buffer ,start ,end)
 138              (encode-coding-region (point-min)(point-max)
 139                                    buffer-file-coding-system)
 140              (prog1 (save-excursion ,@body)
 141                (push nil buffer-undo-list)
 142                (ignore-errors (undo))))))
 143      (save-restriction
 144        (narrow-to-region ,start ,end)
 145        ,@body)))
 146
 147 (defun pgg-temp-buffer-show-function (buffer)
 148   (let ((window (or (get-buffer-window buffer 'visible)
 149                     (split-window-vertically))))
 150     (set-window-buffer window buffer)
 151     (shrink-window-if-larger-than-buffer window)))
 152
 153 ;; XXX `pgg-display-output-buffer' is a horrible name for this function.
 154 ;;     It should be something like `pgg-situate-output-or-display-error'.
 155 (defun pgg-display-output-buffer (start end status)
 156   "Situate en/decryption results or pop up an error buffer.
 157
 158 Text from START to END is replaced by contents of output buffer if STATUS
 159 is true, or else the output buffer is displayed."
 160   (if status
 161       (pgg-situate-output start end)
 162     (pgg-display-error-buffer)))
 163
 164 (defun pgg-situate-output (start end)
 165   "Place en/decryption result in place of current text from START to END."
 166   (delete-region start end)
 167   (insert-buffer-substring pgg-output-buffer)
 168   (decode-coding-region start (point) buffer-file-coding-system))
 169
 170 (defun pgg-display-error-buffer ()
 171   "Pop up an error buffer indicating the reason for an en/decryption failure."
 172   (let ((temp-buffer-show-function
 173          (function pgg-temp-buffer-show-function)))
 174     (with-output-to-temp-buffer pgg-echo-buffer
 175       (set-buffer standard-output)
 176       (insert-buffer-substring pgg-errors-buffer))))
 177
 178 (defvar pgg-passphrase-cache (make-vector 7 0))
 179
 180 (defvar pgg-pending-timers (make-vector 7 0)
 181   "Hash table for managing scheduled pgg cache management timers.
 182
 183 We associate key and timer, so the timer can be cancelled if a new
 184 timeout for the key is set while an old one is still pending.")
 185
 186 (defun pgg-read-passphrase (prompt &optional key notruncate)
 187   "Using PROMPT, obtain passphrase for KEY from cache or user.
 188
 189 Truncate the key to 8 trailing characters unless NOTRUNCATE is true
 190 \(default false).
 191
 192 Custom variables `pgg-cache-passphrase' and `pgg-passphrase-cache-expiry'
 193 regulate cache behavior."
 194   (or (pgg-read-passphrase-from-cache key notruncate)
 195       (read-passwd prompt)))
 196
 197 (defun pgg-read-passphrase-from-cache (key &optional notruncate)
 198   "Obtain passphrase for KEY from time-limited passphrase cache.
 199
 200 Truncate the key to 8 trailing characters unless NOTRUNCATE is true
 201 \(default false).
 202
 203 Custom variables `pgg-cache-passphrase' and `pgg-passphrase-cache-expiry'
 204 regulate cache behavior."
 205   (and pgg-cache-passphrase
 206        key (or notruncate
 207                 (setq key (pgg-truncate-key-identifier key)))
 208        (symbol-value (intern-soft key pgg-passphrase-cache))))
 209
 210 (defun pgg-add-passphrase-to-cache (key passphrase &optional notruncate)
 211   "Associate KEY with PASSPHRASE in time-limited passphrase cache.
 212
 213 Truncate the key to 8 trailing characters unless NOTRUNCATE is true
 214 \(default false).
 215
 216 Custom variables `pgg-cache-passphrase' and `pgg-passphrase-cache-expiry'
 217 regulate cache behavior."
 218
 219   (let* ((key (if notruncate key (pgg-truncate-key-identifier key)))
 220          (interned-timer-key (intern-soft key pgg-pending-timers))
 221          (old-timer (symbol-value interned-timer-key))
 222          new-timer)
 223     (when old-timer
 224         (cancel-timer old-timer)
 225         (unintern interned-timer-key pgg-pending-timers))
 226     (set (intern key pgg-passphrase-cache)
 227          passphrase)
 228     (set (intern key pgg-pending-timers)
 229          (pgg-run-at-time pgg-passphrase-cache-expiry nil
 230                            #'pgg-remove-passphrase-from-cache
 231                            key notruncate))))
 232
 233 (if (fboundp 'clear-string)
 234     (defalias 'pgg-clear-string 'clear-string)
 235   (defun pgg-clear-string (string)
 236     (fillarray string ?_)))
 237
 238 (declare-function pgg-clear-string "pgg" (string))
 239
 240 (defun pgg-remove-passphrase-from-cache (key &optional notruncate)
 241   "Omit passphrase associated with KEY in time-limited passphrase cache.
 242
 243 Truncate the key to 8 trailing characters unless NOTRUNCATE is true
 244 \(default false).
 245
 246 This is a no-op if there is not entry for KEY (eg, it's already expired.
 247
 248 The memory for the passphrase is filled with underscores to clear any
 249 references to it.
 250
 251 Custom variables `pgg-cache-passphrase' and `pgg-passphrase-cache-expiry'
 252 regulate cache behavior."
 253   (let* ((passphrase (pgg-read-passphrase-from-cache key notruncate))
 254          (key (if notruncate key (pgg-truncate-key-identifier key)))
 255          (interned-timer-key (intern-soft key pgg-pending-timers))
 256          (old-timer (symbol-value interned-timer-key)))
 257     (when passphrase
 258       (pgg-clear-string passphrase)
 259       (unintern key pgg-passphrase-cache))
 260     (when old-timer
 261       (pgg-cancel-timer old-timer)
 262       (unintern interned-timer-key pgg-pending-timers))))
 263
 264 (defmacro pgg-convert-lbt-region (start end lbt)
 265   `(let ((pgg-conversion-end (set-marker (make-marker) ,end)))
 266      (goto-char ,start)
 267      (case ,lbt
 268        (CRLF
 269         (while (progn
 270                  (end-of-line)
 271                  (> (marker-position pgg-conversion-end) (point)))
 272           (insert "\r")
 273           (forward-line 1)))
 274        (LF
 275         (while (re-search-forward "\r$" pgg-conversion-end t)
 276           (replace-match ""))))))
 277
 278 (put 'pgg-as-lbt 'lisp-indent-function 3)
 279
 280 (defmacro pgg-as-lbt (start end lbt &rest body)
 281   `(let ((inhibit-read-only t)
 282          buffer-read-only
 283          buffer-undo-list)
 284      (pgg-convert-lbt-region ,start ,end ,lbt)
 285      (let ((,end (point)))
 286        ,@body)
 287      (push nil buffer-undo-list)
 288      (ignore-errors (undo))))
 289
 290 (put 'pgg-process-when-success 'lisp-indent-function 0)
 291
 292 (defmacro pgg-process-when-success (&rest body)
 293   `(with-current-buffer pgg-output-buffer
 294      (if (zerop (buffer-size)) nil ,@body t)))
 295
 296 (defalias 'pgg-make-temp-file
 297   (if (fboundp 'make-temp-file)
 298       'make-temp-file
 299     (lambda (prefix &optional dir-flag)
 300       (let ((file (expand-file-name
 301                    (make-temp-name prefix)
 302                    (if (fboundp 'temp-directory)
 303                        (temp-directory)
 304                      temporary-file-directory))))
 305         (if dir-flag
 306             (make-directory file))
 307         file))))
 308
 309 ;;; @ interface functions
 310 ;;;
 311
 312 ;;;###autoload
 313 (defun pgg-encrypt-region (start end rcpts &optional sign passphrase)
 314   "Encrypt the current region between START and END for RCPTS.
 315
 316 If optional argument SIGN is non-nil, do a combined sign and encrypt.
 317
 318 If optional PASSPHRASE is not specified, it will be obtained from the
 319 passphrase cache or user."
 320   (interactive
 321    (list (region-beginning)(region-end)
 322          (split-string (read-string "Recipients: ") "[ \t,]+")))
 323   (let ((status
 324          (pgg-save-coding-system start end
 325            (pgg-invoke "encrypt-region" (or pgg-scheme pgg-default-scheme)
 326                        (point-min) (point-max) rcpts sign passphrase))))
 327     (when (called-interactively-p 'interactive)
 328       (pgg-display-output-buffer start end status))
 329     status))
 330
 331 ;;;###autoload
 332 (defun pgg-encrypt-symmetric-region (start end &optional passphrase)
 333   "Encrypt the current region between START and END symmetric with passphrase.
 334
 335 If optional PASSPHRASE is not specified, it will be obtained from the
 336 cache or user."
 337   (interactive "r")
 338   (let ((status
 339          (pgg-save-coding-system start end
 340            (pgg-invoke "encrypt-symmetric-region"
 341                        (or pgg-scheme pgg-default-scheme)
 342                        (point-min) (point-max) passphrase))))
 343     (when (called-interactively-p 'interactive)
 344       (pgg-display-output-buffer start end status))
 345     status))
 346
 347 ;;;###autoload
 348 (defun pgg-encrypt-symmetric (&optional start end passphrase)
 349   "Encrypt the current buffer using a symmetric, rather than key-pair, cipher.
 350
 351 If optional arguments START and END are specified, only encrypt within
 352 the region.
 353
 354 If optional PASSPHRASE is not specified, it will be obtained from the
 355 passphrase cache or user."
 356   (interactive)
 357   (let* ((start (or start (point-min)))
 358          (end (or end (point-max)))
 359          (status (pgg-encrypt-symmetric-region start end passphrase)))
 360     (when (called-interactively-p 'interactive)
 361       (pgg-display-output-buffer start end status))
 362     status))
 363
 364 ;;;###autoload
 365 (defun pgg-encrypt (rcpts &optional sign start end passphrase)
 366   "Encrypt the current buffer for RCPTS.
 367
 368 If optional argument SIGN is non-nil, do a combined sign and encrypt.
 369
 370 If optional arguments START and END are specified, only encrypt within
 371 the region.
 372
 373 If optional PASSPHRASE is not specified, it will be obtained from the
 374 passphrase cache or user."
 375   (interactive (list (split-string (read-string "Recipients: ") "[ \t,]+")))
 376   (let* ((start (or start (point-min)))
 377          (end (or end (point-max)))
 378          (status (pgg-encrypt-region start end rcpts sign passphrase)))
 379     (when (called-interactively-p 'interactive)
 380       (pgg-display-output-buffer start end status))
 381     status))
 382
 383 ;;;###autoload
 384 (defun pgg-decrypt-region (start end &optional passphrase)
 385   "Decrypt the current region between START and END.
 386
 387 If optional PASSPHRASE is not specified, it will be obtained from the
 388 passphrase cache or user."
 389   (interactive "r")
 390   (let* ((buf (current-buffer))
 391          (status
 392           (pgg-save-coding-system start end
 393             (pgg-invoke "decrypt-region" (or pgg-scheme pgg-default-scheme)
 394                         (point-min) (point-max) passphrase))))
 395     (when (called-interactively-p 'interactive)
 396       (pgg-display-output-buffer start end status))
 397     status))
 398
 399 ;;;###autoload
 400 (defun pgg-decrypt (&optional start end passphrase)
 401   "Decrypt the current buffer.
 402
 403 If optional arguments START and END are specified, only decrypt within
 404 the region.
 405
 406 If optional PASSPHRASE is not specified, it will be obtained from the
 407 passphrase cache or user."
 408   (interactive "")
 409   (let* ((start (or start (point-min)))
 410          (end (or end (point-max)))
 411          (status (pgg-decrypt-region start end passphrase)))
 412     (when (called-interactively-p 'interactive)
 413       (pgg-display-output-buffer start end status))
 414     status))
 415
 416 ;;;###autoload
 417 (defun pgg-sign-region (start end &optional cleartext passphrase)
 418   "Make the signature from text between START and END.
 419
 420 If the optional 3rd argument CLEARTEXT is non-nil, it does not create
 421 a detached signature.
 422
 423 If this function is called interactively, CLEARTEXT is enabled
 424 and the output is displayed.
 425
 426 If optional PASSPHRASE is not specified, it will be obtained from the
 427 passphrase cache or user."
 428   (interactive "r")
 429   (let ((status (pgg-save-coding-system start end
 430                   (pgg-invoke "sign-region" (or pgg-scheme pgg-default-scheme)
 431                               (point-min) (point-max)
 432                               (or (called-interactively-p 'interactive)
 433                                   cleartext)
 434                               passphrase))))
 435     (when (called-interactively-p 'interactive)
 436       (pgg-display-output-buffer start end status))
 437     status))
 438
 439 ;;;###autoload
 440 (defun pgg-sign (&optional cleartext start end passphrase)
 441   "Sign the current buffer.
 442
 443 If the optional argument CLEARTEXT is non-nil, it does not create a
 444 detached signature.
 445
 446 If optional arguments START and END are specified, only sign data
 447 within the region.
 448
 449 If this function is called interactively, CLEARTEXT is enabled
 450 and the output is displayed.
 451
 452 If optional PASSPHRASE is not specified, it will be obtained from the
 453 passphrase cache or user."
 454   (interactive "")
 455   (let* ((start (or start (point-min)))
 456          (end (or end (point-max)))
 457          (status (pgg-sign-region start end
 458                                   (or (called-interactively-p 'interactive)
 459                                       cleartext)
 460                                   passphrase)))
 461     (when (called-interactively-p 'interactive)
 462       (pgg-display-output-buffer start end status))
 463     status))
 464
 465 ;;;###autoload
 466 (defun pgg-verify-region (start end &optional signature fetch)
 467   "Verify the current region between START and END.
 468 If the optional 3rd argument SIGNATURE is non-nil, it is treated as
 469 the detached signature of the current region.
 470
 471 If the optional 4th argument FETCH is non-nil, we attempt to fetch the
 472 signer's public key from `pgg-default-keyserver-address'."
 473   (interactive "r")
 474   (let* ((packet
 475           (if (null signature) nil
 476             (with-temp-buffer
 477               (buffer-disable-undo)
 478               (if (fboundp 'set-buffer-multibyte)
 479                   (set-buffer-multibyte nil))
 480               (insert-file-contents signature)
 481               (cdr (assq 2 (pgg-decode-armor-region
 482                             (point-min)(point-max)))))))
 483          (key (cdr (assq 'key-identifier packet)))
 484          status keyserver)
 485     (and (stringp key)
 486          pgg-query-keyserver
 487          (setq key (concat "0x" (pgg-truncate-key-identifier key)))
 488          (null (pgg-lookup-key key))
 489          (or fetch (called-interactively-p 'interactive))
 490          (y-or-n-p (format "Key %s not found; attempt to fetch? " key))
 491          (setq keyserver
 492                (or (cdr (assq 'preferred-key-server packet))
 493                    pgg-default-keyserver-address))
 494          (pgg-fetch-key keyserver key))
 495     (setq status
 496           (pgg-save-coding-system start end
 497             (pgg-invoke "verify-region" (or pgg-scheme pgg-default-scheme)
 498                         (point-min) (point-max) signature)))
 499     (when (called-interactively-p 'interactive)
 500       (let ((temp-buffer-show-function
 501              (function pgg-temp-buffer-show-function)))
 502         (with-output-to-temp-buffer pgg-echo-buffer
 503           (set-buffer standard-output)
 504           (insert-buffer-substring (if status pgg-output-buffer
 505                                      pgg-errors-buffer)))))
 506     status))
 507
 508 ;;;###autoload
 509 (defun pgg-verify (&optional signature fetch start end)
 510   "Verify the current buffer.
 511 If the optional argument SIGNATURE is non-nil, it is treated as
 512 the detached signature of the current region.
 513 If the optional argument FETCH is non-nil, we attempt to fetch the
 514 signer's public key from `pgg-default-keyserver-address'.
 515 If optional arguments START and END are specified, only verify data
 516 within the region."
 517   (interactive "")
 518   (let* ((start (or start (point-min)))
 519          (end (or end (point-max)))
 520          (status (pgg-verify-region start end signature fetch)))
 521     (when (called-interactively-p 'interactive)
 522       (let ((temp-buffer-show-function
 523              (function pgg-temp-buffer-show-function)))
 524         (with-output-to-temp-buffer pgg-echo-buffer
 525           (set-buffer standard-output)
 526           (insert-buffer-substring (if status pgg-output-buffer
 527                                      pgg-errors-buffer)))))
 528     status))
 529
 530 ;;;###autoload
 531 (defun pgg-insert-key ()
 532   "Insert the ASCII armored public key."
 533   (interactive)
 534   (pgg-invoke "insert-key" (or pgg-scheme pgg-default-scheme)))
 535
 536 ;;;###autoload
 537 (defun pgg-snarf-keys-region (start end)
 538   "Import public keys in the current region between START and END."
 539   (interactive "r")
 540   (pgg-save-coding-system start end
 541     (pgg-invoke "snarf-keys-region" (or pgg-scheme pgg-default-scheme)
 542                 start end)))
 543
 544 ;;;###autoload
 545 (defun pgg-snarf-keys ()
 546   "Import public keys in the current buffer."
 547   (interactive "")
 548   (pgg-snarf-keys-region (point-min) (point-max)))
 549
 550 (defun pgg-lookup-key (string &optional type)
 551   (pgg-invoke "lookup-key" (or pgg-scheme pgg-default-scheme) string type))
 552
 553 (defvar pgg-insert-url-function  (function pgg-insert-url-with-w3))
 554
 555 (defun pgg-insert-url-with-w3 (url)
 556   (ignore-errors
 557     (require 'url)
 558     (let (buffer-file-name)
 559       (url-insert-file-contents url))))
 560
 561 (defvar pgg-insert-url-extra-arguments nil)
 562 (defvar pgg-insert-url-program nil)
 563
 564 (defun pgg-insert-url-with-program (url)
 565   (let ((args (copy-sequence pgg-insert-url-extra-arguments))
 566         process)
 567     (insert
 568      (with-temp-buffer
 569        (setq process
 570              (apply #'start-process " *PGG url*" (current-buffer)
 571                     pgg-insert-url-program (nconc args (list url))))
 572        (set-process-sentinel process #'ignore)
 573        (while (eq 'run (process-status process))
 574          (accept-process-output process 5))
 575        (delete-process process)
 576        (if (and process (eq 'run (process-status process)))
 577            (interrupt-process process))
 578        (buffer-string)))))
 579
 580 (defun pgg-fetch-key (keyserver key)
 581   "Attempt to fetch a KEY from KEYSERVER for addition to PGP or GnuPG keyring."
 582   (with-current-buffer (get-buffer-create pgg-output-buffer)
 583     (buffer-disable-undo)
 584     (erase-buffer)
 585     (let ((proto (if (string-match "^[a-zA-Z\\+\\.\\\\-]+:" keyserver)
 586                      (substring keyserver 0 (1- (match-end 0))))))
 587       (save-excursion
 588         (funcall pgg-insert-url-function
 589                  (if proto keyserver
 590                    (format "http://%s:11371/pks/lookup?op=get&search=%s"
 591                            keyserver key))))
 592       (when (re-search-forward "^-+BEGIN" nil 'last)
 593         (delete-region (point-min) (match-beginning 0))
 594         (when (re-search-forward "^-+END" nil t)
 595           (delete-region (progn (end-of-line) (point))
 596                          (point-max)))
 597         (insert "\n")
 598         (with-temp-buffer
 599           (insert-buffer-substring pgg-output-buffer)
 600           (pgg-snarf-keys-region (point-min)(point-max)))))))
 601
 602
 603 (provide 'pgg)
 604
 605 ;; arch-tag: 9cc705dd-1e6a-4c90-8dce-c3561f9a2cf4
 606 ;;; pgg.el ends here