1 ;;; epg.el --- the EasyPG Library -*- lexical-binding: t -*-
2 ;; Copyright (C) 1999-2000, 2002-2014 Free Software Foundation, Inc.
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: PGP, GnuPG
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
26 (eval-when-compile (require 'cl-lib
))
28 (defvar epg-user-id nil
29 "GnuPG ID of your default identity.")
31 (defvar epg-user-id-alist nil
32 "An alist mapping from key ID to user ID.")
34 (defvar epg-last-status nil
)
35 (defvar epg-read-point nil
)
36 (defvar epg-process-filter-running nil
)
37 (defvar epg-pending-status-list nil
)
38 (defvar epg-key-id nil
)
39 (defvar epg-context nil
)
40 (defvar epg-debug-buffer nil
)
41 (defvar epg-agent-file nil
)
42 (defvar epg-agent-mtime nil
)
43 (defvar epg-error-output nil
)
45 ;; from gnupg/include/cipher.h
46 (defconst epg-cipher-algorithm-alist
60 ;; from gnupg/include/cipher.h
61 (defconst epg-pubkey-algorithm-alist
69 ;; from gnupg/include/cipher.h
70 (defconst epg-digest-algorithm-alist
79 ;; from gnupg/include/cipher.h
80 (defconst epg-compress-algorithm-alist
86 (defconst epg-invalid-recipients-reason-alist
87 '((0 .
"No specific reason given")
89 (2 .
"Ambiguous specification")
90 (3 .
"Wrong key usage")
95 (8 .
"Policy mismatch")
96 (9 .
"Not a secret key")
97 (10 .
"Key not trusted")))
99 (defconst epg-delete-problem-reason-alist
100 '((1 .
"No such key")
101 (2 .
"Must delete secret key first")
102 (3 .
"Ambiguous specification")))
104 (defconst epg-import-ok-reason-alist
105 '((0 .
"Not actually changed")
106 (1 .
"Entirely new key")
108 (4 .
"New signatures")
110 (16 .
"Contains private key")))
112 (defconst epg-import-problem-reason-alist
113 '((0 .
"No specific reason given")
114 (1 .
"Invalid Certificate")
115 (2 .
"Issuer Certificate missing")
116 (3 .
"Certificate Chain too long")
117 (4 .
"Error storing certificate")))
119 (defconst epg-no-data-reason-alist
120 '((1 .
"No armored data")
121 (2 .
"Expected a packet but did not found one")
122 (3 .
"Invalid packet found, this may indicate a non OpenPGP message")
123 (4 .
"Signature expected but not found")))
125 (defconst epg-unexpected-reason-alist nil
)
127 (defvar epg-key-validity-alist
140 (defvar epg-key-capability-alist
144 (?a . authentication
)
147 (defvar epg-new-signature-type-alist
152 (defvar epg-dn-type-alist
153 '(("1.2.840.113549.1.9.1" .
"EMail")
157 ("0.2.262.1.10.7.20" .
"NameDistinguisher")
158 ("2.5.4.16" .
"ADDR")
161 ("2.5.4.17" .
"PostalCode")
162 ("2.5.4.65" .
"Pseudo")
163 ("2.5.4.5" .
"SerialNumber")))
165 (defvar epg-prompt-alist nil
)
167 (define-error 'epg-error
"GPG error")
169 (cl-defstruct (epg-data
171 (:constructor epg-make-data-from-file
(file))
172 (:constructor epg-make-data-from-string
(string))
175 (file nil
:read-only t
)
176 (string nil
:read-only t
))
178 (defmacro epg--gv-nreverse
(place)
179 (gv-letplace (getter setter
) place
180 (funcall setter
`(nreverse ,getter
))))
182 (cl-defstruct (epg-context
184 (:constructor epg-context--make
185 (protocol &optional armor textmode include-certs
186 cipher-algorithm digest-algorithm
191 (`OpenPGP epg-gpg-program
)
192 (`CMS epg-gpgsm-program
)
193 (_ (signal 'epg-error
194 (list "unknown protocol" protocol
)))))))
199 (home-directory epg-gpg-home-directory
)
206 (passphrase-callback (list #'epg-passphrase-callback-function
))
217 ;; This is not an alias, just so we can mark it as autoloaded.
219 (defun epg-make-context (&optional protocol armor textmode include-certs
220 cipher-algorithm digest-algorithm
222 "Return a context object."
223 (epg-context--make (or protocol
'OpenPGP
)
224 armor textmode include-certs
225 cipher-algorithm digest-algorithm
228 (defun epg-context-set-armor (context armor
)
229 "Specify if the output should be ASCII armored in CONTEXT."
230 (declare (obsolete setf
"25.1"))
231 (setf (epg-context-armor context
) armor
))
233 (defun epg-context-set-textmode (context textmode
)
234 "Specify if canonical text mode should be used in CONTEXT."
235 (declare (obsolete setf
"25.1"))
236 (setf (epg-context-textmode context
) textmode
))
238 (defun epg-context-set-passphrase-callback (context
240 "Set the function used to query passphrase.
242 PASSPHRASE-CALLBACK is either a function, or a cons-cell whose
243 car is a function and cdr is a callback data.
245 The function gets three arguments: the context, the key-id in
246 question, and the callback data (if any).
248 The callback may not be called if you use GnuPG 2.x, which relies
249 on the external program called `gpg-agent' for passphrase query.
250 If you really want to intercept passphrase query, consider
251 installing GnuPG 1.x _along with_ GnuPG 2.x, which does passphrase
252 query by itself and Emacs can intercept them."
253 ;; (declare (obsolete setf "25.1"))
254 (setf (epg-context-passphrase-callback context
)
255 (if (consp passphrase-callback
) ;FIXME: functions can also be consp!
257 (list passphrase-callback
))))
259 (defun epg-context-set-progress-callback (context
261 "Set the function which handles progress update.
263 PROGRESS-CALLBACK is either a function, or a cons-cell whose
264 car is a function and cdr is a callback data.
266 The function gets six arguments: the context, the operation
267 description, the character to display a progress unit, the
268 current amount done, the total amount to be done, and the
269 callback data (if any)."
270 (setf (epg-context-progress-callback context
)
271 (if (consp progress-callback
) ;FIXME: could be a function!
273 (list progress-callback
))))
275 (defun epg-context-set-signers (context signers
)
276 "Set the list of key-id for signing."
277 (declare (obsolete setf
"25.1"))
278 (setf (epg-context-signers context
) signers
))
280 (cl-defstruct (epg-signature
282 (:constructor epg-make-signature
283 (status &optional key-id
))
298 (cl-defstruct (epg-new-signature
300 (:constructor epg-make-new-signature
301 (type pubkey-algorithm digest-algorithm
302 class creation-time fingerprint
))
305 (type nil
:read-only t
)
306 (pubkey-algorithm nil
:read-only t
)
307 (digest-algorithm nil
:read-only t
)
308 (class nil
:read-only t
)
309 (creation-time nil
:read-only t
)
310 (fingerprint nil
:read-only t
))
312 (cl-defstruct (epg-key
314 (:constructor epg-make-key
(owner-trust))
317 (owner-trust nil
:read-only t
)
318 sub-key-list user-id-list
)
320 (cl-defstruct (epg-sub-key
322 (:constructor epg-make-sub-key
323 (validity capability secret-p algorithm length id
324 creation-time expiration-time
))
327 validity capability secret-p algorithm length id
328 creation-time expiration-time fingerprint
)
330 (cl-defstruct (epg-user-id
332 (:constructor epg-make-user-id
(validity string
))
335 validity string signature-list
)
337 (cl-defstruct (epg-key-signature
339 (:constructor epg-make-key-signature
340 (validity pubkey-algorithm key-id creation-time
341 expiration-time user-id class
345 validity pubkey-algorithm key-id creation-time
346 expiration-time user-id class
349 (cl-defstruct (epg-sig-notation
351 (:constructor epg-make-sig-notation
352 (name value
&optional human-readable critical
))
355 name value human-readable critical
)
357 (cl-defstruct (epg-import-status
359 (:constructor epg-make-import-status
361 &optional reason new user-id signature sub-key secret
))
364 fingerprint reason new user-id signature sub-key secret
)
366 (cl-defstruct (epg-import-result
368 (:constructor epg-make-import-result
369 (considered no-user-id imported imported-rsa
370 unchanged new-user-ids new-sub-keys
371 new-signatures new-revocations
372 secret-read secret-imported
373 secret-unchanged not-imported
377 considered no-user-id imported imported-rsa
378 unchanged new-user-ids new-sub-keys
379 new-signatures new-revocations
380 secret-read secret-imported
381 secret-unchanged not-imported
384 (defun epg-context-result-for (context name
)
385 "Return the result of CONTEXT associated with NAME."
386 (cdr (assq name
(epg-context-result context
))))
388 (defun epg-context-set-result-for (context name value
)
389 "Set the result of CONTEXT associated with NAME to VALUE."
390 (let* ((result (epg-context-result context
))
391 (entry (assq name result
)))
394 (setf (epg-context-result context
) (cons (cons name value
) result
)))))
396 (defun epg-signature-to-string (signature)
397 "Convert SIGNATURE to a human readable string."
398 (let* ((user-id (cdr (assoc (epg-signature-key-id signature
)
400 (pubkey-algorithm (epg-signature-pubkey-algorithm signature
))
401 (key-id (epg-signature-key-id signature
)))
403 (cond ((eq (epg-signature-status signature
) 'good
)
404 "Good signature from ")
405 ((eq (epg-signature-status signature
) 'bad
)
406 "Bad signature from ")
407 ((eq (epg-signature-status signature
) 'expired
)
408 "Expired signature from ")
409 ((eq (epg-signature-status signature
) 'expired-key
)
410 "Signature made by expired key ")
411 ((eq (epg-signature-status signature
) 'revoked-key
)
412 "Signature made by revoked key ")
413 ((eq (epg-signature-status signature
) 'no-pubkey
)
414 "No public key for "))
418 (if (stringp user-id
)
420 (epg-decode-dn user-id
)))
422 (if (epg-signature-validity signature
)
423 (format " (trust %s)" (epg-signature-validity signature
))
425 (if (epg-signature-creation-time signature
)
426 (format-time-string " created at %Y-%m-%dT%T%z"
427 (epg-signature-creation-time signature
))
431 (or (cdr (assq pubkey-algorithm epg-pubkey-algorithm-alist
))
432 (format "(unknown algorithm %d)" pubkey-algorithm
)))
435 (defun epg-verify-result-to-string (verify-result)
436 "Convert VERIFY-RESULT to a human readable string."
437 (mapconcat #'epg-signature-to-string verify-result
"\n"))
439 (defun epg-new-signature-to-string (new-signature)
440 "Convert NEW-SIGNATURE to a human readable string."
442 (cond ((eq (epg-new-signature-type new-signature
) 'detached
)
443 "Detached signature ")
444 ((eq (epg-new-signature-type new-signature
) 'clear
)
445 "Cleartext signature ")
448 (cdr (assq (epg-new-signature-pubkey-algorithm new-signature
)
449 epg-pubkey-algorithm-alist
))
451 (cdr (assq (epg-new-signature-digest-algorithm new-signature
)
452 epg-digest-algorithm-alist
))
454 (format "%02X " (epg-new-signature-class new-signature
))
455 (epg-new-signature-fingerprint new-signature
)))
457 (defun epg-import-result-to-string (import-result)
458 "Convert IMPORT-RESULT to a human readable string."
459 (concat (format "Total number processed: %d\n"
460 (epg-import-result-considered import-result
))
461 (if (> (epg-import-result-not-imported import-result
) 0)
462 (format " skipped new keys: %d\n"
463 (epg-import-result-not-imported import-result
)))
464 (if (> (epg-import-result-no-user-id import-result
) 0)
465 (format " w/o user IDs: %d\n"
466 (epg-import-result-no-user-id import-result
)))
467 (if (> (epg-import-result-imported import-result
) 0)
468 (concat (format " imported: %d"
469 (epg-import-result-imported import-result
))
470 (if (> (epg-import-result-imported-rsa import-result
) 0)
472 (epg-import-result-imported-rsa
475 (if (> (epg-import-result-unchanged import-result
) 0)
476 (format " unchanged: %d\n"
477 (epg-import-result-unchanged import-result
)))
478 (if (> (epg-import-result-new-user-ids import-result
) 0)
479 (format " new user IDs: %d\n"
480 (epg-import-result-new-user-ids import-result
)))
481 (if (> (epg-import-result-new-sub-keys import-result
) 0)
482 (format " new subkeys: %d\n"
483 (epg-import-result-new-sub-keys import-result
)))
484 (if (> (epg-import-result-new-signatures import-result
) 0)
485 (format " new signatures: %d\n"
486 (epg-import-result-new-signatures import-result
)))
487 (if (> (epg-import-result-new-revocations import-result
) 0)
488 (format " new key revocations: %d\n"
489 (epg-import-result-new-revocations import-result
)))
490 (if (> (epg-import-result-secret-read import-result
) 0)
491 (format " secret keys read: %d\n"
492 (epg-import-result-secret-read import-result
)))
493 (if (> (epg-import-result-secret-imported import-result
) 0)
494 (format " secret keys imported: %d\n"
495 (epg-import-result-secret-imported import-result
)))
496 (if (> (epg-import-result-secret-unchanged import-result
) 0)
497 (format " secret keys unchanged: %d\n"
498 (epg-import-result-secret-unchanged import-result
)))))
500 (defun epg-error-to-string (error)
502 ((eq (car error
) 'exit
)
504 ((eq (car error
) 'quit
)
506 ((eq (car error
) 'no-data
)
507 (let ((entry (assq (cdr error
) epg-no-data-reason-alist
)))
509 (format "No data (%s)" (downcase (cdr entry
)))
511 ((eq (car error
) 'unexpected
)
512 (let ((entry (assq (cdr error
) epg-unexpected-reason-alist
)))
514 (format "Unexpected (%s)" (downcase (cdr entry
)))
516 ((eq (car error
) 'bad-armor
)
518 ((memq (car error
) '(invalid-recipient invalid-signer
))
520 (if (eq (car error
) 'invalid-recipient
)
521 "Unusable public key"
522 "Unusable secret key")
523 (let ((entry (assq 'requested
(cdr error
))))
525 (format ": %s" (cdr entry
))
527 (let ((entry (assq 'reason
(cdr error
))))
529 (> (cdr entry
) 0) ;no specific reason given
530 (setq entry
(assq (cdr entry
)
531 epg-invalid-recipients-reason-alist
)))
532 (format " (%s)" (downcase (cdr entry
)))
534 ((eq (car error
) 'no-pubkey
)
535 (format "No public key: %s" (cdr error
)))
536 ((eq (car error
) 'no-seckey
)
537 (format "No secret key: %s" (cdr error
)))
538 ((eq (car error
) 'no-recipients
)
540 ((eq (car error
) 'no-signers
)
542 ((eq (car error
) 'delete-problem
)
543 (let ((entry (assq (cdr error
) epg-delete-problem-reason-alist
)))
545 (format "Delete problem (%s)" (downcase (cdr entry
)))
547 ((eq (car error
) 'key-not-created
)
550 (defun epg-errors-to-string (errors)
551 (mapconcat #'epg-error-to-string errors
"; "))
553 (defun epg--start (context args
)
554 "Start `epg-gpg-program' in a subprocess with given ARGS."
555 (if (and (epg-context-process context
)
556 (eq (process-status (epg-context-process context
)) 'run
))
557 (error "%s is already running in this context"
558 (epg-context-program context
)))
559 (let* ((agent-info (getenv "GPG_AGENT_INFO"))
560 (args (append (list "--no-tty"
563 (if (and (not (eq (epg-context-protocol context
) 'CMS
))
564 (string-match ":" (or agent-info
"")))
566 (if (and (not (eq (epg-context-protocol context
) 'CMS
))
567 (epg-context-progress-callback context
))
568 '("--enable-progress-filter"))
569 (if (epg-context-home-directory context
)
571 (epg-context-home-directory context
)))
572 (unless (eq (epg-context-protocol context
) 'CMS
)
573 '("--command-fd" "0"))
574 (if (epg-context-armor context
) '("--armor"))
575 (if (epg-context-textmode context
) '("--textmode"))
576 (if (epg-context-output-file context
)
577 (list "--output" (epg-context-output-file context
)))
578 (if (epg-context-pinentry-mode context
)
579 (list "--pinentry-mode"
580 (symbol-name (epg-context-pinentry-mode
583 (coding-system-for-write 'binary
)
584 (coding-system-for-read 'binary
)
585 process-connection-type
586 (process-environment process-environment
)
587 (buffer (generate-new-buffer " *epg*"))
591 (agent-mtime '(0 0 0 0)))
592 ;; Set GPG_TTY and TERM for pinentry-curses. Note that we can't
593 ;; use `terminal-name' here to get the real pty name for the child
594 ;; process, though /dev/fd/0" is not portable.
595 (unless (memq system-type
'(ms-dos windows-nt
))
598 (when (= (call-process "tty" "/dev/fd/0" t
) 0)
600 (setq terminal-name
(buffer-string)))
603 (setq process-environment
604 (cons (concat "GPG_TTY=" terminal-name
)
605 (cons "TERM=xterm" process-environment
))))
606 ;; Record modified time of gpg-agent socket to restore the Emacs
607 ;; frame on text terminal in `epg-wait-for-completion'.
609 ;; <http://lists.gnu.org/archive/html/emacs-devel/2007-02/msg00755.html>
611 (when (and agent-info
(string-match "\\(.*\\):[0-9]+:[0-9]+" agent-info
))
612 (setq agent-file
(match-string 1 agent-info
)
613 agent-mtime
(or (nth 5 (file-attributes agent-file
)) '(0 0 0 0))))
616 (unless epg-debug-buffer
617 (setq epg-debug-buffer
(generate-new-buffer " *epg-debug*")))
618 (set-buffer epg-debug-buffer
)
619 (goto-char (point-max))
620 (insert (if agent-info
621 (format "GPG_AGENT_INFO=%s\n" agent-info
)
622 "GPG_AGENT_INFO is not set\n")
624 (epg-context-program context
)
625 (mapconcat #'identity args
" ")))))
626 (with-current-buffer buffer
627 (if (fboundp 'set-buffer-multibyte
)
628 (set-buffer-multibyte nil
))
629 (make-local-variable 'epg-last-status
)
630 (setq epg-last-status nil
)
631 (make-local-variable 'epg-read-point
)
632 (setq epg-read-point
(point-min))
633 (make-local-variable 'epg-process-filter-running
)
634 (setq epg-process-filter-running nil
)
635 (make-local-variable 'epg-pending-status-list
)
636 (setq epg-pending-status-list nil
)
637 (make-local-variable 'epg-key-id
)
638 (setq epg-key-id nil
)
639 (make-local-variable 'epg-context
)
640 (setq epg-context context
)
641 (make-local-variable 'epg-agent-file
)
642 (setq epg-agent-file agent-file
)
643 (make-local-variable 'epg-agent-mtime
)
644 (setq epg-agent-mtime agent-mtime
)
645 (make-local-variable 'epg-error-output
)
646 (setq epg-error-output nil
))
648 (setq process
(apply #'start-process
"epg" buffer
649 (epg-context-program context
) args
)))
650 (set-process-filter process
#'epg--process-filter
)
651 (setf (epg-context-process context
) process
)))
653 (defun epg--process-filter (process input
)
657 (setq epg-debug-buffer
(generate-new-buffer " *epg-debug*")))
658 (goto-char (point-max))
660 (if (buffer-live-p (process-buffer process
))
661 (with-current-buffer (process-buffer process
)
663 (goto-char (point-max))
665 (unless epg-process-filter-running
666 (let ((epg-process-filter-running t
))
667 (goto-char epg-read-point
)
669 (while (looking-at ".*\n") ;the input line finished
670 (if (looking-at "\\[GNUPG:] \\([A-Z_]+\\) ?\\(.*\\)")
671 (let* ((status (match-string 1))
672 (string (match-string 2))
673 (symbol (intern-soft (concat "epg--status-"
675 (if (member status epg-pending-status-list
)
676 (setq epg-pending-status-list nil
))
679 (funcall symbol epg-context string
))
680 (setq epg-last-status
(cons status string
)))
681 ;; Record other lines sent to stderr. This assumes
682 ;; that the process-filter receives output only from
683 ;; stderr and the FD specified with --status-fd.
684 (setq epg-error-output
685 (cons (buffer-substring (point)
689 (setq epg-read-point
(point)))))))))
691 (defun epg-read-output (context)
692 "Read the output file CONTEXT and return the content as a string."
694 (if (fboundp 'set-buffer-multibyte
)
695 (set-buffer-multibyte nil
))
696 (if (file-exists-p (epg-context-output-file context
))
697 (let ((coding-system-for-read 'binary
))
698 (insert-file-contents (epg-context-output-file context
))
701 (defun epg-wait-for-status (context status-list
)
702 "Wait until one of elements in STATUS-LIST arrives."
703 (with-current-buffer (process-buffer (epg-context-process context
))
704 (setq epg-pending-status-list status-list
)
705 (while (and (eq (process-status (epg-context-process context
)) 'run
)
706 epg-pending-status-list
)
707 (accept-process-output (epg-context-process context
) 1))
708 (if epg-pending-status-list
709 (epg-context-set-result-for
712 (epg-context-result-for context
'error
))))))
714 (defun epg-wait-for-completion (context)
715 "Wait until the `epg-gpg-program' process completes."
716 (while (eq (process-status (epg-context-process context
)) 'run
)
717 (accept-process-output (epg-context-process context
) 1))
718 ;; This line is needed to run the process-filter right now.
720 ;; Restore Emacs frame on text terminal, when pinentry-curses has terminated.
721 (if (with-current-buffer (process-buffer (epg-context-process context
))
723 (> (float-time (or (nth 5 (file-attributes epg-agent-file
))
725 (float-time epg-agent-mtime
))))
727 (epg-context-set-result-for
729 (nreverse (epg-context-result-for context
'error
)))
730 (with-current-buffer (process-buffer (epg-context-process context
))
731 (setf (epg-context-error-output context
)
732 (mapconcat #'identity
(nreverse epg-error-output
) "\n"))))
734 (defun epg-reset (context)
736 (if (and (epg-context-process context
)
737 (buffer-live-p (process-buffer (epg-context-process context
))))
738 (kill-buffer (process-buffer (epg-context-process context
))))
739 (setf (epg-context-process context
) nil
))
741 (defun epg-delete-output-file (context)
742 "Delete the output file of CONTEXT."
743 (if (and (epg-context-output-file context
)
744 (file-exists-p (epg-context-output-file context
)))
745 (delete-file (epg-context-output-file context
))))
748 (if (fboundp 'decode-coding-string
)
749 (defalias 'epg--decode-coding-string
'decode-coding-string
)
750 (defalias 'epg--decode-coding-string
'identity
)))
752 (defun epg--status-USERID_HINT (_context string
)
753 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string
)
754 (let* ((key-id (match-string 1 string
))
755 (user-id (match-string 2 string
))
756 (entry (assoc key-id epg-user-id-alist
)))
758 (setq user-id
(epg--decode-coding-string
759 (epg--decode-percent-escape user-id
)
763 (setcdr entry user-id
)
764 (setq epg-user-id-alist
(cons (cons key-id user-id
)
765 epg-user-id-alist
))))))
767 (defun epg--status-NEED_PASSPHRASE (_context string
)
768 (if (string-match "\\`\\([^ ]+\\)" string
)
769 (setq epg-key-id
(match-string 1 string
))))
771 (defun epg--status-NEED_PASSPHRASE_SYM (_context _string
)
772 (setq epg-key-id
'SYM
))
774 (defun epg--status-NEED_PASSPHRASE_PIN (_context _string
)
775 (setq epg-key-id
'PIN
))
778 (if (fboundp 'clear-string
)
779 (defalias 'epg--clear-string
'clear-string
)
780 (defun epg--clear-string (string)
781 (fillarray string
0))))
784 (if (fboundp 'encode-coding-string
)
785 (defalias 'epg--encode-coding-string
'encode-coding-string
)
786 (defalias 'epg--encode-coding-string
'identity
)))
788 (defun epg--status-GET_HIDDEN (context string
)
789 (when (and epg-key-id
790 (string-match "\\`passphrase\\." string
))
791 (unless (epg-context-passphrase-callback context
)
792 (error "passphrase-callback not set"))
795 passphrase-with-new-line
796 encoded-passphrase-with-new-line
)
802 (car (epg-context-passphrase-callback context
))
805 (cdr (epg-context-passphrase-callback context
))))
807 (setq passphrase-with-new-line
(concat passphrase
"\n"))
808 (epg--clear-string passphrase
)
809 (setq passphrase nil
)
810 (if epg-passphrase-coding-system
812 (setq encoded-passphrase-with-new-line
813 (epg--encode-coding-string
814 passphrase-with-new-line
815 (coding-system-change-eol-conversion
816 epg-passphrase-coding-system
'unix
)))
817 (epg--clear-string passphrase-with-new-line
)
818 (setq passphrase-with-new-line nil
))
819 (setq encoded-passphrase-with-new-line
820 passphrase-with-new-line
821 passphrase-with-new-line nil
))
822 (process-send-string (epg-context-process context
)
823 encoded-passphrase-with-new-line
)))
825 (epg-context-set-result-for
828 (epg-context-result-for context
'error
)))
829 (delete-process (epg-context-process context
))))
831 (epg--clear-string passphrase
))
832 (if passphrase-with-new-line
833 (epg--clear-string passphrase-with-new-line
))
834 (if encoded-passphrase-with-new-line
835 (epg--clear-string encoded-passphrase-with-new-line
))))))
837 (defun epg--prompt-GET_BOOL (_context string
)
838 (let ((entry (assoc string epg-prompt-alist
)))
839 (y-or-n-p (if entry
(cdr entry
) (concat string
"? ")))))
841 (defun epg--prompt-GET_BOOL-untrusted_key.override
(_context _string
)
842 (y-or-n-p (if (and (equal (car epg-last-status
) "USERID_HINT")
843 (string-match "\\`\\([^ ]+\\) \\(.*\\)"
844 (cdr epg-last-status
)))
845 (let* ((key-id (match-string 1 (cdr epg-last-status
)))
846 (user-id (match-string 2 (cdr epg-last-status
)))
847 (entry (assoc key-id epg-user-id-alist
)))
849 (setq user-id
(cdr entry
)))
850 (format "Untrusted key %s %s. Use anyway? " key-id user-id
))
851 "Use untrusted key anyway? ")))
853 (defun epg--status-GET_BOOL (context string
)
856 (if (funcall (or (intern-soft (concat "epg--prompt-GET_BOOL-" string
))
857 #'epg--prompt-GET_BOOL
)
859 (process-send-string (epg-context-process context
) "y\n")
860 (process-send-string (epg-context-process context
) "n\n"))
862 (epg-context-set-result-for
865 (epg-context-result-for context
'error
)))
866 (delete-process (epg-context-process context
))))))
868 (defun epg--status-GET_LINE (context string
)
869 (let ((entry (assoc string epg-prompt-alist
))
872 (process-send-string (epg-context-process context
)
876 (concat string
": ")))
879 (epg-context-set-result-for
882 (epg-context-result-for context
'error
)))
883 (delete-process (epg-context-process context
))))))
885 (defun epg--status-*SIG
(context status string
)
886 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string
)
887 (let* ((key-id (match-string 1 string
))
888 (user-id (match-string 2 string
))
889 (entry (assoc key-id epg-user-id-alist
)))
890 (epg-context-set-result-for
893 (cons (epg-make-signature status key-id
)
894 (epg-context-result-for context
'verify
)))
896 (if (eq (epg-context-protocol context
) 'CMS
)
897 (setq user-id
(epg-dn-from-string user-id
))
898 (setq user-id
(epg--decode-coding-string
899 (epg--decode-percent-escape user-id
)
903 (setcdr entry user-id
)
904 (setq epg-user-id-alist
905 (cons (cons key-id user-id
) epg-user-id-alist
))))
906 (epg-context-set-result-for
909 (cons (epg-make-signature status
)
910 (epg-context-result-for context
'verify
)))))
912 (defun epg--status-GOODSIG (context string
)
913 (epg--status-*SIG context
'good string
))
915 (defun epg--status-EXPSIG (context string
)
916 (epg--status-*SIG context
'expired string
))
918 (defun epg--status-EXPKEYSIG (context string
)
919 (epg--status-*SIG context
'expired-key string
))
921 (defun epg--status-REVKEYSIG (context string
)
922 (epg--status-*SIG context
'revoked-key string
))
924 (defun epg--status-BADSIG (context string
)
925 (epg--status-*SIG context
'bad string
))
927 (defun epg--status-NO_PUBKEY (context string
)
928 (if (eq (epg-context-operation context
) 'verify
)
929 (let ((signature (car (epg-context-result-for context
'verify
))))
931 (eq (epg-signature-status signature
) 'error
)
932 (equal (epg-signature-key-id signature
) string
))
933 (setf (epg-signature-status signature
) 'no-pubkey
)))
934 (epg-context-set-result-for
936 (cons (cons 'no-pubkey string
)
937 (epg-context-result-for context
'error
)))))
939 (defun epg--status-NO_SECKEY (context string
)
940 (epg-context-set-result-for
942 (cons (cons 'no-seckey string
)
943 (epg-context-result-for context
'error
))))
945 (defun epg--time-from-seconds (seconds)
946 (let ((number-seconds (string-to-number (concat seconds
".0"))))
947 (cons (floor (/ number-seconds
65536))
948 (floor (mod number-seconds
65536)))))
950 (defun epg--status-ERRSIG (context string
)
951 (if (string-match "\\`\\([^ ]+\\) \\([0-9]+\\) \\([0-9]+\\) \
952 \\([0-9A-Fa-f][0-9A-Fa-f]\\) \\([^ ]+\\) \\([0-9]+\\)"
954 (let ((signature (epg-make-signature 'error
)))
955 (epg-context-set-result-for
959 (epg-context-result-for context
'verify
)))
960 (setf (epg-signature-key-id signature
)
961 (match-string 1 string
))
962 (setf (epg-signature-pubkey-algorithm signature
)
963 (string-to-number (match-string 2 string
)))
964 (setf (epg-signature-digest-algorithm signature
)
965 (string-to-number (match-string 3 string
)))
966 (setf (epg-signature-class signature
)
967 (string-to-number (match-string 4 string
) 16))
968 (setf (epg-signature-creation-time signature
)
969 (epg--time-from-seconds (match-string 5 string
))))))
971 (defun epg--status-VALIDSIG (context string
)
972 (let ((signature (car (epg-context-result-for context
'verify
))))
974 (eq (epg-signature-status signature
) 'good
)
975 (string-match "\\`\\([^ ]+\\) [^ ]+ \\([^ ]+\\) \\([^ ]+\\) \
976 \\([0-9]+\\) [^ ]+ \\([0-9]+\\) \\([0-9]+\\) \\([0-9A-Fa-f][0-9A-Fa-f]\\) \
979 (setf (epg-signature-fingerprint signature
)
980 (match-string 1 string
))
981 (setf (epg-signature-creation-time signature
)
982 (epg--time-from-seconds (match-string 2 string
)))
983 (unless (equal (match-string 3 string
) "0")
984 (setf (epg-signature-expiration-time signature
)
985 (epg--time-from-seconds (match-string 3 string
))))
986 (setf (epg-signature-version signature
)
987 (string-to-number (match-string 4 string
)))
988 (setf (epg-signature-pubkey-algorithm signature
)
989 (string-to-number (match-string 5 string
)))
990 (setf (epg-signature-digest-algorithm signature
)
991 (string-to-number (match-string 6 string
)))
992 (setf (epg-signature-class signature
)
993 (string-to-number (match-string 7 string
) 16)))))
995 (defun epg--status-TRUST_UNDEFINED (context _string
)
996 (let ((signature (car (epg-context-result-for context
'verify
))))
998 (eq (epg-signature-status signature
) 'good
))
999 (setf (epg-signature-validity signature
) 'undefined
))))
1001 (defun epg--status-TRUST_NEVER (context _string
)
1002 (let ((signature (car (epg-context-result-for context
'verify
))))
1004 (eq (epg-signature-status signature
) 'good
))
1005 (setf (epg-signature-validity signature
) 'never
))))
1007 (defun epg--status-TRUST_MARGINAL (context _string
)
1008 (let ((signature (car (epg-context-result-for context
'verify
))))
1010 (eq (epg-signature-status signature
) 'marginal
))
1011 (setf (epg-signature-validity signature
) 'marginal
))))
1013 (defun epg--status-TRUST_FULLY (context _string
)
1014 (let ((signature (car (epg-context-result-for context
'verify
))))
1016 (eq (epg-signature-status signature
) 'good
))
1017 (setf (epg-signature-validity signature
) 'full
))))
1019 (defun epg--status-TRUST_ULTIMATE (context _string
)
1020 (let ((signature (car (epg-context-result-for context
'verify
))))
1022 (eq (epg-signature-status signature
) 'good
))
1023 (setf (epg-signature-validity signature
) 'ultimate
))))
1025 (defun epg--status-NOTATION_NAME (context string
)
1026 (let ((signature (car (epg-context-result-for context
'verify
))))
1028 (push (epg-make-sig-notation string nil t nil
)
1029 (epg-signature-notations signature
)))))
1031 (defun epg--status-NOTATION_DATA (context string
)
1032 (let ((signature (car (epg-context-result-for context
'verify
)))
1035 (setq notation
(car (epg-signature-notations signature
))))
1036 (setf (epg-sig-notation-value notation
) string
))))
1038 (defun epg--status-POLICY_URL (context string
)
1039 (let ((signature (car (epg-context-result-for context
'verify
))))
1041 (push (epg-make-sig-notation nil string t nil
)
1042 (epg-signature-notations signature
)))))
1044 (defun epg--status-PROGRESS (context string
)
1045 (if (and (epg-context-progress-callback context
)
1046 (string-match "\\`\\([^ ]+\\) \\([^ ]\\) \\([0-9]+\\) \\([0-9]+\\)"
1048 (funcall (car (epg-context-progress-callback context
))
1050 (match-string 1 string
)
1051 (match-string 2 string
)
1052 (string-to-number (match-string 3 string
))
1053 (string-to-number (match-string 4 string
))
1054 (cdr (epg-context-progress-callback context
)))))
1056 (defun epg--status-ENC_TO (context string
)
1057 (if (string-match "\\`\\([0-9A-Za-z]+\\) \\([0-9]+\\) \\([0-9]+\\)" string
)
1058 (epg-context-set-result-for
1059 context
'encrypted-to
1060 (cons (list (match-string 1 string
)
1061 (string-to-number (match-string 2 string
))
1062 (string-to-number (match-string 3 string
)))
1063 (epg-context-result-for context
'encrypted-to
)))))
1065 (defun epg--status-DECRYPTION_FAILED (context _string
)
1066 (epg-context-set-result-for context
'decryption-failed t
))
1068 (defun epg--status-DECRYPTION_OKAY (context _string
)
1069 (epg-context-set-result-for context
'decryption-okay t
))
1071 (defun epg--status-NODATA (context string
)
1072 (epg-context-set-result-for
1074 (cons (cons 'no-data
(string-to-number string
))
1075 (epg-context-result-for context
'error
))))
1077 (defun epg--status-UNEXPECTED (context string
)
1078 (epg-context-set-result-for
1080 (cons (cons 'unexpected
(string-to-number string
))
1081 (epg-context-result-for context
'error
))))
1083 (defun epg--status-KEYEXPIRED (context string
)
1084 (epg-context-set-result-for
1086 (cons (list 'key-expired
(cons 'expiration-time
1087 (epg--time-from-seconds string
)))
1088 (epg-context-result-for context
'key
))))
1090 (defun epg--status-KEYREVOKED (context _string
)
1091 (epg-context-set-result-for
1093 (cons '(key-revoked)
1094 (epg-context-result-for context
'key
))))
1096 (defun epg--status-BADARMOR (context _string
)
1097 (epg-context-set-result-for
1100 (epg-context-result-for context
'error
))))
1102 (defun epg--status-INV_RECP (context string
)
1103 (if (string-match "\\`\\([0-9]+\\) \\(.*\\)" string
)
1104 (epg-context-set-result-for
1106 (cons (list 'invalid-recipient
1108 (string-to-number (match-string 1 string
)))
1110 (match-string 2 string
)))
1111 (epg-context-result-for context
'error
)))))
1113 (defun epg--status-INV_SGNR (context string
)
1114 (if (string-match "\\`\\([0-9]+\\) \\(.*\\)" string
)
1115 (epg-context-set-result-for
1117 (cons (list 'invalid-signer
1119 (string-to-number (match-string 1 string
)))
1121 (match-string 2 string
)))
1122 (epg-context-result-for context
'error
)))))
1124 (defun epg--status-NO_RECP (context _string
)
1125 (epg-context-set-result-for
1127 (cons '(no-recipients)
1128 (epg-context-result-for context
'error
))))
1130 (defun epg--status-NO_SGNR (context _string
)
1131 (epg-context-set-result-for
1134 (epg-context-result-for context
'error
))))
1136 (defun epg--status-DELETE_PROBLEM (context string
)
1137 (if (string-match "\\`\\([0-9]+\\)" string
)
1138 (epg-context-set-result-for
1140 (cons (cons 'delete-problem
1141 (string-to-number (match-string 1 string
)))
1142 (epg-context-result-for context
'error
)))))
1144 (defun epg--status-SIG_CREATED (context string
)
1145 (if (string-match "\\`\\([DCS]\\) \\([0-9]+\\) \\([0-9]+\\) \
1146 \\([0-9A-Fa-F][0-9A-Fa-F]\\) \\(.*\\) " string
)
1147 (epg-context-set-result-for
1149 (cons (epg-make-new-signature
1150 (cdr (assq (aref (match-string 1 string
) 0)
1151 epg-new-signature-type-alist
))
1152 (string-to-number (match-string 2 string
))
1153 (string-to-number (match-string 3 string
))
1154 (string-to-number (match-string 4 string
) 16)
1155 (epg--time-from-seconds (match-string 5 string
))
1156 (substring string
(match-end 0)))
1157 (epg-context-result-for context
'sign
)))))
1159 (defun epg--status-KEY_CREATED (context string
)
1160 (if (string-match "\\`\\([BPS]\\) \\([^ ]+\\)" string
)
1161 (epg-context-set-result-for
1162 context
'generate-key
1163 (cons (list (cons 'type
(string-to-char (match-string 1 string
)))
1164 (cons 'fingerprint
(match-string 2 string
)))
1165 (epg-context-result-for context
'generate-key
)))))
1167 (defun epg--status-KEY_NOT_CREATED (context _string
)
1168 (epg-context-set-result-for
1170 (cons '(key-not-created)
1171 (epg-context-result-for context
'error
))))
1173 (defun epg--status-IMPORTED (_context string
)
1174 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string
)
1175 (let* ((key-id (match-string 1 string
))
1176 (user-id (match-string 2 string
))
1177 (entry (assoc key-id epg-user-id-alist
)))
1179 (setq user-id
(epg--decode-coding-string
1180 (epg--decode-percent-escape user-id
)
1184 (setcdr entry user-id
)
1185 (setq epg-user-id-alist
(cons (cons key-id user-id
)
1186 epg-user-id-alist
))))))
1188 (defun epg--status-IMPORT_OK (context string
)
1189 (if (string-match "\\`\\([0-9]+\\)\\( \\(.+\\)\\)?" string
)
1190 (let ((reason (string-to-number (match-string 1 string
))))
1191 (epg-context-set-result-for
1192 context
'import-status
1193 (cons (epg-make-import-status (if (match-beginning 2)
1194 (match-string 3 string
))
1196 (/= (logand reason
1) 0)
1197 (/= (logand reason
2) 0)
1198 (/= (logand reason
4) 0)
1199 (/= (logand reason
8) 0)
1200 (/= (logand reason
16) 0))
1201 (epg-context-result-for context
'import-status
))))))
1203 (defun epg--status-IMPORT_PROBLEM (context string
)
1204 (if (string-match "\\`\\([0-9]+\\)\\( \\(.+\\)\\)?" string
)
1205 (epg-context-set-result-for
1206 context
'import-status
1207 (cons (epg-make-import-status
1208 (if (match-beginning 2)
1209 (match-string 3 string
))
1210 (string-to-number (match-string 1 string
)))
1211 (epg-context-result-for context
'import-status
)))))
1213 (defun epg--status-IMPORT_RES (context string
)
1214 (when (string-match "\\`\\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) \
1215 \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) \
1216 \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\)" string
)
1217 (epg-context-set-result-for
1219 (epg-make-import-result (string-to-number (match-string 1 string
))
1220 (string-to-number (match-string 2 string
))
1221 (string-to-number (match-string 3 string
))
1222 (string-to-number (match-string 4 string
))
1223 (string-to-number (match-string 5 string
))
1224 (string-to-number (match-string 6 string
))
1225 (string-to-number (match-string 7 string
))
1226 (string-to-number (match-string 8 string
))
1227 (string-to-number (match-string 9 string
))
1228 (string-to-number (match-string 10 string
))
1229 (string-to-number (match-string 11 string
))
1230 (string-to-number (match-string 12 string
))
1231 (string-to-number (match-string 13 string
))
1232 (epg-context-result-for context
'import-status
)))
1233 (epg-context-set-result-for context
'import-status nil
)))
1235 (defun epg-passphrase-callback-function (context key-id _handback
)
1236 (declare (obsolete epa-passphrase-callback-function
"23.1"))
1237 (if (eq key-id
'SYM
)
1238 (read-passwd "Passphrase for symmetric encryption: "
1239 (eq (epg-context-operation context
) 'encrypt
))
1241 (if (eq key-id
'PIN
)
1242 "Passphrase for PIN: "
1243 (let ((entry (assoc key-id epg-user-id-alist
)))
1245 (format "Passphrase for %s %s: " key-id
(cdr entry
))
1246 (format "Passphrase for %s: " key-id
)))))))
1248 (defun epg--list-keys-1 (context name mode
)
1249 (let ((args (append (if (epg-context-home-directory context
)
1251 (epg-context-home-directory context
)))
1252 '("--with-colons" "--no-greeting" "--batch"
1253 "--with-fingerprint" "--with-fingerprint")
1254 (unless (eq (epg-context-protocol context
) 'CMS
)
1255 '("--fixed-list-mode"))))
1256 (list-keys-option (if (memq mode
'(t secret
))
1257 "--list-secret-keys"
1258 (if (memq mode
'(nil public
))
1261 (coding-system-for-read 'binary
)
1262 keys string field index
)
1265 (unless (listp name
)
1266 (setq name
(list name
)))
1268 (setq args
(append args
(list list-keys-option
(car name
)))
1270 (setq args
(append args
(list list-keys-option
))))
1272 (apply #'call-process
1273 (epg-context-program context
)
1274 nil
(list t nil
) nil args
)
1275 (goto-char (point-min))
1276 (while (re-search-forward "^[a-z][a-z][a-z]:.*" nil t
)
1277 (setq keys
(cons (make-vector 15 nil
) keys
)
1278 string
(match-string 0)
1281 (while (and (< field
(length (car keys
)))
1283 (string-match "\\([^:]+\\)?:" string index
)))
1284 (setq index
(match-end 0))
1285 (aset (car keys
) field
(match-string 1 string
))
1286 (setq field
(1+ field
))))
1289 (defun epg--make-sub-key-1 (line)
1292 (cdr (assq (string-to-char (aref line
1)) epg-key-validity-alist
)))
1294 (mapcar (lambda (char) (cdr (assq char epg-key-capability-alist
)))
1296 (member (aref line
0) '("sec" "ssb"))
1297 (string-to-number (aref line
3))
1298 (string-to-number (aref line
2))
1300 (epg--time-from-seconds (aref line
5))
1302 (epg--time-from-seconds (aref line
6)))))
1304 (defun epg-list-keys (context &optional name mode
)
1305 "Return a list of epg-key objects matched with NAME.
1306 If MODE is nil or 'public, only public keyring should be searched.
1307 If MODE is t or 'secret, only secret keyring should be searched.
1308 Otherwise, only public keyring should be searched and the key
1309 signatures should be included.
1310 NAME is either a string or a list of strings."
1311 (let ((lines (epg--list-keys-1 context name mode
))
1312 keys cert pointer pointer-1 index string
)
1315 ((member (aref (car lines
) 0) '("pub" "sec" "crt" "crs"))
1316 (setq cert
(member (aref (car lines
) 0) '("crt" "crs"))
1317 keys
(cons (epg-make-key
1318 (if (aref (car lines
) 8)
1319 (cdr (assq (string-to-char (aref (car lines
) 8))
1320 epg-key-validity-alist
))))
1322 (push (epg--make-sub-key-1 (car lines
))
1323 (epg-key-sub-key-list (car keys
))))
1324 ((member (aref (car lines
) 0) '("sub" "ssb"))
1325 (push (epg--make-sub-key-1 (car lines
))
1326 (epg-key-sub-key-list (car keys
))))
1327 ((equal (aref (car lines
) 0) "uid")
1328 ;; Decode the UID name as a backslash escaped UTF-8 string,
1329 ;; generated by GnuPG/GpgSM.
1330 (setq string
(copy-sequence (aref (car lines
) 9))
1332 (while (string-match "\"" string index
)
1333 (setq string
(replace-match "\\\"" t t string
)
1334 index
(1+ (match-end 0))))
1336 (setq string
(epg--decode-coding-string
1337 (car (read-from-string (concat "\"" string
"\"")))
1340 (setq string
(aref (car lines
) 9))))
1341 (push (epg-make-user-id
1342 (if (aref (car lines
) 1)
1343 (cdr (assq (string-to-char (aref (car lines
) 1))
1344 epg-key-validity-alist
)))
1347 (epg-dn-from-string string
)
1350 (epg-key-user-id-list (car keys
))))
1351 ((equal (aref (car lines
) 0) "fpr")
1352 (setf (epg-sub-key-fingerprint (car (epg-key-sub-key-list (car keys
))))
1353 (aref (car lines
) 9)))
1354 ((equal (aref (car lines
) 0) "sig")
1356 (epg-make-key-signature
1357 (if (aref (car lines
) 1)
1358 (cdr (assq (string-to-char (aref (car lines
) 1))
1359 epg-key-validity-alist
)))
1360 (string-to-number (aref (car lines
) 3))
1361 (aref (car lines
) 4)
1362 (epg--time-from-seconds (aref (car lines
) 5))
1363 (epg--time-from-seconds (aref (car lines
) 6))
1364 (aref (car lines
) 9)
1365 (string-to-number (aref (car lines
) 10) 16)
1366 (eq (aref (aref (car lines
) 10) 2) ?x
))
1367 (epg-user-id-signature-list
1368 (car (epg-key-user-id-list (car keys
)))))))
1369 (setq lines
(cdr lines
)))
1370 (setq keys
(nreverse keys
)
1373 (epg--gv-nreverse (epg-key-sub-key-list (car pointer
)))
1374 (setq pointer-1
(epg--gv-nreverse (epg-key-user-id-list (car pointer
))))
1376 (epg--gv-nreverse (epg-user-id-signature-list (car pointer-1
)))
1377 (setq pointer-1
(cdr pointer-1
)))
1378 (setq pointer
(cdr pointer
)))
1382 (if (fboundp 'make-temp-file
)
1383 (defalias 'epg--make-temp-file
'make-temp-file
)
1384 (defvar temporary-file-directory
)
1385 ;; stolen from poe.el.
1386 (defun epg--make-temp-file (prefix)
1387 "Create a temporary file.
1388 The returned file name (created by appending some random characters at the end
1389 of PREFIX, and expanding against `temporary-file-directory' if necessary),
1390 is guaranteed to point to a newly created empty file.
1391 You can then use `write-region' to write new data into the file."
1392 (let ((orig-modes (default-file-modes))
1394 (setq prefix
(expand-file-name prefix
1395 (if (featurep 'xemacs
)
1397 temporary-file-directory
)))
1400 ;; First, create a temporary directory.
1401 (set-default-file-modes #o700
)
1402 (while (condition-case ()
1404 (setq tempdir
(make-temp-name
1406 (file-name-directory prefix
)
1408 ;; return nil or signal an error.
1409 (make-directory tempdir
))
1411 (file-already-exists t
)))
1412 ;; Second, create a temporary file in the tempdir.
1413 ;; There *is* a race condition between `make-temp-name'
1414 ;; and `write-region', but we don't care it since we are
1415 ;; in a private directory now.
1416 (setq tempfile
(make-temp-name (concat tempdir
"/EMU")))
1417 (write-region "" nil tempfile nil
'silent
)
1418 ;; Finally, make a hard-link from the tempfile.
1419 (while (condition-case ()
1421 (setq file
(make-temp-name prefix
))
1422 ;; return nil or signal an error.
1423 (add-name-to-file tempfile file
))
1425 (file-already-exists t
)))
1427 (set-default-file-modes orig-modes
)
1428 ;; Cleanup the tempfile.
1430 (file-exists-p tempfile
)
1431 (delete-file tempfile
))
1432 ;; Cleanup the tempdir.
1434 (file-directory-p tempdir
)
1435 (delete-directory tempdir
)))))))
1437 (defun epg--args-from-sig-notations (notations)
1441 (if (and (epg-sig-notation-name notation
)
1442 (not (epg-sig-notation-human-readable notation
)))
1443 (error "Unreadable"))
1444 (if (epg-sig-notation-name notation
)
1445 (list "--sig-notation"
1446 (if (epg-sig-notation-critical notation
)
1447 (concat "!" (epg-sig-notation-name notation
)
1448 "=" (epg-sig-notation-value notation
))
1449 (concat (epg-sig-notation-name notation
)
1450 "=" (epg-sig-notation-value notation
))))
1451 (list "--sig-policy-url"
1452 (if (epg-sig-notation-critical notation
)
1453 (concat "!" (epg-sig-notation-value notation
))
1454 (epg-sig-notation-value notation
)))))
1457 (defun epg-cancel (context)
1458 (if (buffer-live-p (process-buffer (epg-context-process context
)))
1459 (with-current-buffer (process-buffer (epg-context-process context
))
1460 (epg-context-set-result-for
1463 (epg-context-result-for epg-context
'error
)))))
1464 (if (eq (process-status (epg-context-process context
)) 'run
)
1465 (delete-process (epg-context-process context
))))
1467 (defun epg-start-decrypt (context cipher
)
1468 "Initiate a decrypt operation on CIPHER.
1469 CIPHER must be a file data object.
1471 If you use this function, you will need to wait for the completion of
1472 `epg-gpg-program' by using `epg-wait-for-completion' and call
1473 `epg-reset' to clear a temporary output file.
1474 If you are unsure, use synchronous version of this function
1475 `epg-decrypt-file' or `epg-decrypt-string' instead."
1476 (unless (epg-data-file cipher
)
1477 (error "Not a file"))
1478 (setf (epg-context-operation context
) 'decrypt
)
1479 (setf (epg-context-result context
) nil
)
1480 (epg--start context
(list "--decrypt" "--" (epg-data-file cipher
)))
1481 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1482 (unless (eq (epg-context-protocol context
) 'CMS
)
1483 (epg-wait-for-status context
'("BEGIN_DECRYPTION"))))
1485 (defun epg--check-error-for-decrypt (context)
1486 (let ((errors (epg-context-result-for context
'error
)))
1487 (if (epg-context-result-for context
'decryption-failed
)
1489 (list "Decryption failed" (epg-errors-to-string errors
))))
1490 (unless (epg-context-result-for context
'decryption-okay
)
1492 (list "Can't decrypt" (epg-errors-to-string errors
))))))
1494 (defun epg-decrypt-file (context cipher plain
)
1495 "Decrypt a file CIPHER and store the result to a file PLAIN.
1496 If PLAIN is nil, it returns the result as a string."
1499 (setf (epg-context-output-file context
)
1500 (or plain
(epg--make-temp-file "epg-output")))
1501 (epg-start-decrypt context
(epg-make-data-from-file cipher
))
1502 (epg-wait-for-completion context
)
1503 (epg--check-error-for-decrypt context
)
1505 (epg-read-output context
)))
1507 (epg-delete-output-file context
))
1508 (epg-reset context
)))
1510 (defun epg-decrypt-string (context cipher
)
1511 "Decrypt a string CIPHER and return the plain text."
1512 (let ((input-file (epg--make-temp-file "epg-input"))
1513 (coding-system-for-write 'binary
))
1516 (write-region cipher nil input-file nil
'quiet
)
1517 (setf (epg-context-output-file context
)
1518 (epg--make-temp-file "epg-output"))
1519 (epg-start-decrypt context
(epg-make-data-from-file input-file
))
1520 (epg-wait-for-completion context
)
1521 (epg--check-error-for-decrypt context
)
1522 (epg-read-output context
))
1523 (epg-delete-output-file context
)
1524 (if (file-exists-p input-file
)
1525 (delete-file input-file
))
1526 (epg-reset context
))))
1528 (defun epg-start-verify (context signature
&optional signed-text
)
1529 "Initiate a verify operation on SIGNATURE.
1530 SIGNATURE and SIGNED-TEXT are a data object if they are specified.
1532 For a detached signature, both SIGNATURE and SIGNED-TEXT should be set.
1533 For a normal or a cleartext signature, SIGNED-TEXT should be nil.
1535 If you use this function, you will need to wait for the completion of
1536 `epg-gpg-program' by using `epg-wait-for-completion' and call
1537 `epg-reset' to clear a temporary output file.
1538 If you are unsure, use synchronous version of this function
1539 `epg-verify-file' or `epg-verify-string' instead."
1540 (setf (epg-context-operation context
) 'verify
)
1541 (setf (epg-context-result context
) nil
)
1543 ;; Detached signature.
1544 (if (epg-data-file signed-text
)
1545 (epg--start context
(list "--verify" "--" (epg-data-file signature
)
1546 (epg-data-file signed-text
)))
1547 (epg--start context
(list "--verify" "--" (epg-data-file signature
)
1549 (if (eq (process-status (epg-context-process context
)) 'run
)
1550 (process-send-string (epg-context-process context
)
1551 (epg-data-string signed-text
)))
1552 (if (eq (process-status (epg-context-process context
)) 'run
)
1553 (process-send-eof (epg-context-process context
))))
1554 ;; Normal (or cleartext) signature.
1555 (if (epg-data-file signature
)
1556 (epg--start context
(if (eq (epg-context-protocol context
) 'CMS
)
1557 (list "--verify" "--" (epg-data-file signature
))
1558 (list "--" (epg-data-file signature
))))
1559 (epg--start context
(if (eq (epg-context-protocol context
) 'CMS
)
1562 (if (eq (process-status (epg-context-process context
)) 'run
)
1563 (process-send-string (epg-context-process context
)
1564 (epg-data-string signature
)))
1565 (if (eq (process-status (epg-context-process context
)) 'run
)
1566 (process-send-eof (epg-context-process context
))))))
1568 (defun epg-verify-file (context signature
&optional signed-text plain
)
1569 "Verify a file SIGNATURE.
1570 SIGNED-TEXT and PLAIN are also a file if they are specified.
1572 For a detached signature, both SIGNATURE and SIGNED-TEXT should be
1573 string. For a normal or a cleartext signature, SIGNED-TEXT should be
1574 nil. In the latter case, if PLAIN is specified, the plaintext is
1575 stored into the file after successful verification.
1577 Note that this function does not return verification result as t
1578 or nil, nor signal error on failure. That's a design decision to
1579 handle the case where SIGNATURE has multiple signature.
1581 To check the verification results, use `epg-context-result-for' as follows:
1583 \(epg-context-result-for context 'verify)
1585 which will return a list of `epg-signature' object."
1588 (setf (epg-context-output-file context
)
1589 (or plain
(epg--make-temp-file "epg-output")))
1591 (epg-start-verify context
1592 (epg-make-data-from-file signature
)
1593 (epg-make-data-from-file signed-text
))
1594 (epg-start-verify context
1595 (epg-make-data-from-file signature
)))
1596 (epg-wait-for-completion context
)
1598 (epg-read-output context
)))
1600 (epg-delete-output-file context
))
1601 (epg-reset context
)))
1603 (defun epg-verify-string (context signature
&optional signed-text
)
1604 "Verify a string SIGNATURE.
1605 SIGNED-TEXT is a string if it is specified.
1607 For a detached signature, both SIGNATURE and SIGNED-TEXT should be
1608 string. For a normal or a cleartext signature, SIGNED-TEXT should be
1609 nil. In the latter case, this function returns the plaintext after
1610 successful verification.
1612 Note that this function does not return verification result as t
1613 or nil, nor signal error on failure. That's a design decision to
1614 handle the case where SIGNATURE has multiple signature.
1616 To check the verification results, use `epg-context-result-for' as follows:
1618 \(epg-context-result-for context 'verify)
1620 which will return a list of `epg-signature' object."
1621 (let ((coding-system-for-write 'binary
)
1625 (setf (epg-context-output-file context
)
1626 (epg--make-temp-file "epg-output"))
1629 (setq input-file
(epg--make-temp-file "epg-signature"))
1630 (write-region signature nil input-file nil
'quiet
)
1631 (epg-start-verify context
1632 (epg-make-data-from-file input-file
)
1633 (epg-make-data-from-string signed-text
)))
1634 (epg-start-verify context
(epg-make-data-from-string signature
)))
1635 (epg-wait-for-completion context
)
1636 (epg-read-output context
))
1637 (epg-delete-output-file context
)
1639 (file-exists-p input-file
))
1640 (delete-file input-file
))
1641 (epg-reset context
))))
1643 (defun epg-start-sign (context plain
&optional mode
)
1644 "Initiate a sign operation on PLAIN.
1645 PLAIN is a data object.
1647 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1648 If it is nil or 'normal, it makes a normal signature.
1649 Otherwise, it makes a cleartext signature.
1651 If you use this function, you will need to wait for the completion of
1652 `epg-gpg-program' by using `epg-wait-for-completion' and call
1653 `epg-reset' to clear a temporary output file.
1654 If you are unsure, use synchronous version of this function
1655 `epg-sign-file' or `epg-sign-string' instead."
1656 (setf (epg-context-operation context
) 'sign
)
1657 (setf (epg-context-result context
) nil
)
1658 (unless (memq mode
'(t detached nil normal
)) ;i.e. cleartext
1659 (epg-context-set-armor context nil
)
1660 (epg-context-set-textmode context nil
))
1662 (append (list (if (memq mode
'(t detached
))
1664 (if (memq mode
'(nil normal
))
1672 (car (epg-key-sub-key-list signer
)))))
1673 (epg-context-signers context
)))
1674 (epg--args-from-sig-notations
1675 (epg-context-sig-notations context
))
1676 (if (epg-data-file plain
)
1677 (list "--" (epg-data-file plain
)))))
1678 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1679 (unless (eq (epg-context-protocol context
) 'CMS
)
1680 (epg-wait-for-status context
'("BEGIN_SIGNING")))
1681 (when (epg-data-string plain
)
1682 (if (eq (process-status (epg-context-process context
)) 'run
)
1683 (process-send-string (epg-context-process context
)
1684 (epg-data-string plain
)))
1685 (if (eq (process-status (epg-context-process context
)) 'run
)
1686 (process-send-eof (epg-context-process context
)))))
1688 (defun epg-sign-file (context plain signature
&optional mode
)
1689 "Sign a file PLAIN and store the result to a file SIGNATURE.
1690 If SIGNATURE is nil, it returns the result as a string.
1691 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1692 If it is nil or 'normal, it makes a normal signature.
1693 Otherwise, it makes a cleartext signature."
1696 (setf (epg-context-output-file context
)
1697 (or signature
(epg--make-temp-file "epg-output")))
1698 (epg-start-sign context
(epg-make-data-from-file plain
) mode
)
1699 (epg-wait-for-completion context
)
1700 (unless (epg-context-result-for context
'sign
)
1701 (let ((errors (epg-context-result-for context
'error
)))
1703 (list "Sign failed" (epg-errors-to-string errors
)))))
1705 (epg-read-output context
)))
1707 (epg-delete-output-file context
))
1708 (epg-reset context
)))
1710 (defun epg-sign-string (context plain
&optional mode
)
1711 "Sign a string PLAIN and return the output as string.
1712 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1713 If it is nil or 'normal, it makes a normal signature.
1714 Otherwise, it makes a cleartext signature."
1716 (unless (or (eq (epg-context-protocol context
) 'CMS
)
1719 (epg-check-configuration (epg-configuration))
1722 (epg--make-temp-file "epg-input")))
1723 (coding-system-for-write 'binary
))
1726 (setf (epg-context-output-file context
)
1727 (epg--make-temp-file "epg-output"))
1729 (write-region plain nil input-file nil
'quiet
))
1730 (epg-start-sign context
1732 (epg-make-data-from-file input-file
)
1733 (epg-make-data-from-string plain
))
1735 (epg-wait-for-completion context
)
1736 (unless (epg-context-result-for context
'sign
)
1737 (if (epg-context-result-for context
'error
)
1738 (let ((errors (epg-context-result-for context
'error
)))
1740 (list "Sign failed" (epg-errors-to-string errors
))))))
1741 (epg-read-output context
))
1742 (epg-delete-output-file context
)
1744 (delete-file input-file
))
1745 (epg-reset context
))))
1747 (defun epg-start-encrypt (context plain recipients
1748 &optional sign always-trust
)
1749 "Initiate an encrypt operation on PLAIN.
1750 PLAIN is a data object.
1751 If RECIPIENTS is nil, it performs symmetric encryption.
1753 If you use this function, you will need to wait for the completion of
1754 `epg-gpg-program' by using `epg-wait-for-completion' and call
1755 `epg-reset' to clear a temporary output file.
1756 If you are unsure, use synchronous version of this function
1757 `epg-encrypt-file' or `epg-encrypt-string' instead."
1758 (setf (epg-context-operation context
) 'encrypt
)
1759 (setf (epg-context-result context
) nil
)
1761 (append (if always-trust
'("--always-trust"))
1762 (if recipients
'("--encrypt") '("--symmetric"))
1763 (if sign
'("--sign"))
1770 (car (epg-key-sub-key-list
1772 (epg-context-signers context
))))
1774 (epg--args-from-sig-notations
1775 (epg-context-sig-notations context
)))
1781 (car (epg-key-sub-key-list recipient
)))))
1783 (if (epg-data-file plain
)
1784 (list "--" (epg-data-file plain
)))))
1785 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1786 (unless (eq (epg-context-protocol context
) 'CMS
)
1787 (epg-wait-for-status context
1788 (if sign
'("BEGIN_SIGNING") '("BEGIN_ENCRYPTION"))))
1789 (when (epg-data-string plain
)
1790 (if (eq (process-status (epg-context-process context
)) 'run
)
1791 (process-send-string (epg-context-process context
)
1792 (epg-data-string plain
)))
1793 (if (eq (process-status (epg-context-process context
)) 'run
)
1794 (process-send-eof (epg-context-process context
)))))
1796 (defun epg-encrypt-file (context plain recipients
1797 cipher
&optional sign always-trust
)
1798 "Encrypt a file PLAIN and store the result to a file CIPHER.
1799 If CIPHER is nil, it returns the result as a string.
1800 If RECIPIENTS is nil, it performs symmetric encryption."
1803 (setf (epg-context-output-file context
)
1804 (or cipher
(epg--make-temp-file "epg-output")))
1805 (epg-start-encrypt context
(epg-make-data-from-file plain
)
1806 recipients sign always-trust
)
1807 (epg-wait-for-completion context
)
1808 (let ((errors (epg-context-result-for context
'error
)))
1810 (not (epg-context-result-for context
'sign
)))
1812 (list "Sign failed" (epg-errors-to-string errors
))))
1815 (list "Encrypt failed" (epg-errors-to-string errors
)))))
1817 (epg-read-output context
)))
1819 (epg-delete-output-file context
))
1820 (epg-reset context
)))
1822 (defun epg-encrypt-string (context plain recipients
1823 &optional sign always-trust
)
1824 "Encrypt a string PLAIN.
1825 If RECIPIENTS is nil, it performs symmetric encryption."
1827 (unless (or (not sign
)
1828 (eq (epg-context-protocol context
) 'CMS
)
1831 (epg-check-configuration (epg-configuration))
1834 (epg--make-temp-file "epg-input")))
1835 (coding-system-for-write 'binary
))
1838 (setf (epg-context-output-file context
)
1839 (epg--make-temp-file "epg-output"))
1841 (write-region plain nil input-file nil
'quiet
))
1842 (epg-start-encrypt context
1844 (epg-make-data-from-file input-file
)
1845 (epg-make-data-from-string plain
))
1846 recipients sign always-trust
)
1847 (epg-wait-for-completion context
)
1848 (let ((errors (epg-context-result-for context
'error
)))
1850 (not (epg-context-result-for context
'sign
)))
1852 (list "Sign failed" (epg-errors-to-string errors
))))
1855 (list "Encrypt failed" (epg-errors-to-string errors
)))))
1856 (epg-read-output context
))
1857 (epg-delete-output-file context
)
1859 (delete-file input-file
))
1860 (epg-reset context
))))
1862 (defun epg-start-export-keys (context keys
)
1863 "Initiate an export keys operation.
1865 If you use this function, you will need to wait for the completion of
1866 `epg-gpg-program' by using `epg-wait-for-completion' and call
1867 `epg-reset' to clear a temporary output file.
1868 If you are unsure, use synchronous version of this function
1869 `epg-export-keys-to-file' or `epg-export-keys-to-string' instead."
1870 (setf (epg-context-operation context
) 'export-keys
)
1871 (setf (epg-context-result context
) nil
)
1872 (epg--start context
(cons "--export"
1876 (car (epg-key-sub-key-list key
))))
1879 (defun epg-export-keys-to-file (context keys file
)
1880 "Extract public KEYS."
1883 (setf (epg-context-output-file context
)
1884 (or file
(epg--make-temp-file "epg-output")))
1885 (epg-start-export-keys context keys
)
1886 (epg-wait-for-completion context
)
1887 (let ((errors (epg-context-result-for context
'error
)))
1890 (list "Export keys failed"
1891 (epg-errors-to-string errors
)))))
1893 (epg-read-output context
)))
1895 (epg-delete-output-file context
))
1896 (epg-reset context
)))
1898 (defun epg-export-keys-to-string (context keys
)
1899 "Extract public KEYS and return them as a string."
1900 (epg-export-keys-to-file context keys nil
))
1902 (defun epg-start-import-keys (context keys
)
1903 "Initiate an import keys operation.
1904 KEYS is a data object.
1906 If you use this function, you will need to wait for the completion of
1907 `epg-gpg-program' by using `epg-wait-for-completion' and call
1908 `epg-reset' to clear a temporary output file.
1909 If you are unsure, use synchronous version of this function
1910 `epg-import-keys-from-file' or `epg-import-keys-from-string' instead."
1911 (setf (epg-context-operation context
) 'import-keys
)
1912 (setf (epg-context-result context
) nil
)
1913 (epg--start context
(if (epg-data-file keys
)
1914 (list "--import" "--" (epg-data-file keys
))
1916 (when (epg-data-string keys
)
1917 (if (eq (process-status (epg-context-process context
)) 'run
)
1918 (process-send-string (epg-context-process context
)
1919 (epg-data-string keys
)))
1920 (if (eq (process-status (epg-context-process context
)) 'run
)
1921 (process-send-eof (epg-context-process context
)))))
1923 (defun epg--import-keys-1 (context keys
)
1926 (epg-start-import-keys context keys
)
1927 (epg-wait-for-completion context
)
1928 (let ((errors (epg-context-result-for context
'error
)))
1931 (list "Import keys failed"
1932 (epg-errors-to-string errors
))))))
1933 (epg-reset context
)))
1935 (defun epg-import-keys-from-file (context keys
)
1936 "Add keys from a file KEYS."
1937 (epg--import-keys-1 context
(epg-make-data-from-file keys
)))
1939 (defun epg-import-keys-from-string (context keys
)
1940 "Add keys from a string KEYS."
1941 (epg--import-keys-1 context
(epg-make-data-from-string keys
)))
1943 (defun epg-start-receive-keys (context key-id-list
)
1944 "Initiate a receive key operation.
1945 KEY-ID-LIST is a list of key IDs.
1947 If you use this function, you will need to wait for the completion of
1948 `epg-gpg-program' by using `epg-wait-for-completion' and call
1949 `epg-reset' to clear a temporary output file.
1950 If you are unsure, use synchronous version of this function
1951 `epg-receive-keys' instead."
1952 (setf (epg-context-operation context
) 'receive-keys
)
1953 (setf (epg-context-result context
) nil
)
1954 (epg--start context
(cons "--recv-keys" key-id-list
)))
1956 (defun epg-receive-keys (context keys
)
1957 "Add keys from server.
1958 KEYS is a list of key IDs"
1961 (epg-start-receive-keys context keys
)
1962 (epg-wait-for-completion context
)
1963 (let ((errors (epg-context-result-for context
'error
)))
1966 (list "Receive keys failed"
1967 (epg-errors-to-string errors
))))))
1968 (epg-reset context
)))
1970 (defalias 'epg-import-keys-from-server
'epg-receive-keys
)
1972 (defun epg-start-delete-keys (context keys
&optional allow-secret
)
1973 "Initiate a delete keys operation.
1975 If you use this function, you will need to wait for the completion of
1976 `epg-gpg-program' by using `epg-wait-for-completion' and call
1977 `epg-reset' to clear a temporary output file.
1978 If you are unsure, use synchronous version of this function
1979 `epg-delete-keys' instead."
1980 (setf (epg-context-operation context
) 'delete-keys
)
1981 (setf (epg-context-result context
) nil
)
1982 (epg--start context
(cons (if allow-secret
1983 "--delete-secret-key"
1988 (car (epg-key-sub-key-list key
))))
1991 (defun epg-delete-keys (context keys
&optional allow-secret
)
1992 "Delete KEYS from the key ring."
1995 (epg-start-delete-keys context keys allow-secret
)
1996 (epg-wait-for-completion context
)
1997 (let ((errors (epg-context-result-for context
'error
)))
2000 (list "Delete keys failed"
2001 (epg-errors-to-string errors
))))))
2002 (epg-reset context
)))
2004 (defun epg-start-sign-keys (context keys
&optional local
)
2005 "Initiate a sign keys operation.
2007 If you use this function, you will need to wait for the completion of
2008 `epg-gpg-program' by using `epg-wait-for-completion' and call
2009 `epg-reset' to clear a temporary output file.
2010 If you are unsure, use synchronous version of this function
2011 `epg-sign-keys' instead."
2012 (declare (obsolete nil
"23.1"))
2013 (setf (epg-context-operation context
) 'sign-keys
)
2014 (setf (epg-context-result context
) nil
)
2015 (epg--start context
(cons (if local
2021 (car (epg-key-sub-key-list key
))))
2024 (defun epg-sign-keys (context keys
&optional local
)
2025 "Sign KEYS from the key ring."
2026 (declare (obsolete nil
"23.1"))
2029 (epg-start-sign-keys context keys local
)
2030 (epg-wait-for-completion context
)
2031 (let ((errors (epg-context-result-for context
'error
)))
2034 (list "Sign keys failed"
2035 (epg-errors-to-string errors
))))))
2036 (epg-reset context
)))
2038 (defun epg-start-generate-key (context parameters
)
2039 "Initiate a key generation.
2040 PARAMETERS specifies parameters for the key.
2042 If you use this function, you will need to wait for the completion of
2043 `epg-gpg-program' by using `epg-wait-for-completion' and call
2044 `epg-reset' to clear a temporary output file.
2045 If you are unsure, use synchronous version of this function
2046 `epg-generate-key-from-file' or `epg-generate-key-from-string' instead."
2047 (setf (epg-context-operation context
) 'generate-key
)
2048 (setf (epg-context-result context
) nil
)
2049 (if (epg-data-file parameters
)
2050 (epg--start context
(list "--batch" "--genkey" "--"
2051 (epg-data-file parameters
)))
2052 (epg--start context
'("--batch" "--genkey"))
2053 (if (eq (process-status (epg-context-process context
)) 'run
)
2054 (process-send-string (epg-context-process context
)
2055 (epg-data-string parameters
)))
2056 (if (eq (process-status (epg-context-process context
)) 'run
)
2057 (process-send-eof (epg-context-process context
)))))
2059 (defun epg-generate-key-from-file (context parameters
)
2060 "Generate a new key pair.
2061 PARAMETERS is a file which tells how to create the key."
2064 (epg-start-generate-key context
(epg-make-data-from-file parameters
))
2065 (epg-wait-for-completion context
)
2066 (let ((errors (epg-context-result-for context
'error
)))
2069 (list "Generate key failed"
2070 (epg-errors-to-string errors
))))))
2071 (epg-reset context
)))
2073 (defun epg-generate-key-from-string (context parameters
)
2074 "Generate a new key pair.
2075 PARAMETERS is a string which tells how to create the key."
2078 (epg-start-generate-key context
(epg-make-data-from-string parameters
))
2079 (epg-wait-for-completion context
)
2080 (let ((errors (epg-context-result-for context
'error
)))
2083 (list "Generate key failed"
2084 (epg-errors-to-string errors
))))))
2085 (epg-reset context
)))
2087 (defun epg--decode-percent-escape (string)
2089 (while (string-match "%\\(\\(%\\)\\|\\([0-9A-Fa-f][0-9A-Fa-f]\\)\\)"
2091 (if (match-beginning 2)
2092 (setq string
(replace-match "%" t t string
)
2093 index
(1- (match-end 0)))
2094 (setq string
(replace-match
2095 (string (string-to-number (match-string 3 string
) 16))
2097 index
(- (match-end 0) 2))))
2100 (defun epg--decode-hexstring (string)
2102 (while (eq index
(string-match "[0-9A-Fa-f][0-9A-Fa-f]" string index
))
2103 (setq string
(replace-match (string (string-to-number
2104 (match-string 0 string
) 16))
2106 index
(1- (match-end 0))))
2109 (defun epg--decode-quotedstring (string)
2111 (while (string-match "\\\\\\(\\([,=+<>#;\\\"]\\)\\|\
2112 \\([0-9A-Fa-f][0-9A-Fa-f]\\)\\)"
2114 (if (match-beginning 2)
2115 (setq string
(replace-match "\\2" t nil string
)
2116 index
(1- (match-end 0)))
2117 (if (match-beginning 3)
2118 (setq string
(replace-match (string (string-to-number
2119 (match-string 0 string
) 16))
2121 index
(- (match-end 0) 2)))))
2124 (defun epg-dn-from-string (string)
2125 "Parse STRING as LADPv3 Distinguished Names (RFC2253).
2126 The return value is an alist mapping from types to values."
2128 (length (length string
))
2129 alist type value group
)
2130 (while (< index length
)
2131 (if (eq index
(string-match "[ \t\n\r]*" string index
))
2132 (setq index
(match-end 0)))
2133 (if (eq index
(string-match
2134 "\\([0-9]+\\(\\.[0-9]+\\)*\\)\[ \t\n\r]*=[ \t\n\r]*"
2136 (setq type
(match-string 1 string
)
2137 index
(match-end 0))
2138 (if (eq index
(string-match "\\([0-9A-Za-z]+\\)[ \t\n\r]*=[ \t\n\r]*"
2140 (setq type
(match-string 1 string
)
2141 index
(match-end 0))))
2143 (error "Invalid type"))
2144 (if (eq index
(string-match
2145 "\\([^,=+<>#;\\\"]\\|\\\\.\\)+"
2147 (setq index
(match-end 0)
2148 value
(epg--decode-quotedstring (match-string 0 string
)))
2149 (if (eq index
(string-match "#\\([0-9A-Fa-f]+\\)" string index
))
2150 (setq index
(match-end 0)
2151 value
(epg--decode-hexstring (match-string 1 string
)))
2152 (if (eq index
(string-match "\"\\([^\\\"]\\|\\\\.\\)*\""
2154 (setq index
(match-end 0)
2155 value
(epg--decode-quotedstring
2156 (match-string 0 string
))))))
2158 (if (stringp (car (car alist
)))
2159 (setcar alist
(list (cons type value
) (car alist
)))
2160 (setcar alist
(cons (cons type value
) (car alist
))))
2161 (if (consp (car (car alist
)))
2162 (setcar alist
(nreverse (car alist
))))
2163 (setq alist
(cons (cons type value
) alist
)
2166 (if (eq index
(string-match "[ \t\n\r]*\\([,;+]\\)" string index
))
2167 (setq index
(match-end 0)
2168 group
(eq (aref string
(match-beginning 1)) ?
+))))
2171 (defun epg-decode-dn (alist)
2172 "Convert ALIST returned by `epg-dn-from-string' to a human readable form.
2173 Type names are resolved using `epg-dn-type-alist'."
2176 (if (stringp (car rdn
))
2177 (let ((entry (assoc (car rdn
) epg-dn-type-alist
)))
2179 (format "%s=%s" (cdr entry
) (cdr rdn
))
2180 (format "%s=%s" (car rdn
) (cdr rdn
))))
2181 (concat "(" (epg-decode-dn rdn
) ")")))
2187 ;;; epg.el ends here
