+;;; epg.el --- the EasyPG Library
+;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
+;; Copyright (C) 2006 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; Keywords: PGP, GnuPG
+
+;; This file is part of EasyPG.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Code:
+
(defgroup epg ()
- "EasyPG, yet another GnuPG interface.")
+ "The EasyPG Library")
(defcustom epg-gpg-program "gpg"
"The `gpg' executable."
:group 'epg
:type 'string)
+(defcustom epg-gpgsm-program "gpgsm"
+ "The `gpgsm' executable."
+ :group 'epg
+ :type 'string)
+
+(defconst epg-version-number "0.0.1")
+
(defvar epg-user-id nil
"GnuPG ID of your default identity.")
(defvar epg-key-id nil)
(defvar epg-context nil)
(defvar epg-debug nil)
-
-(defvar epg-colons-pub-spec
- '((trust "[^:]")
- (length "[0-9]+" 0 string-to-number)
- (algorithm "[0-9]+" 0 string-to-number)
- (key-id "[^:]+")
- (creation-date "[0-9]+")
- (expiration-date "[0-9]+")
- nil
- (ownertrust "[^:]")
- nil
- nil
- (capability "[escaESCA]*"))
- "The schema of keylisting output whose type is \"pub\".
-This is used by `epg-list-keys'.")
-
-(defvar epg-colons-sec-spec
- '((trust "[^:]")
- (length "[0-9]+" 0 string-to-number)
- (algorithm "[0-9]+" 0 string-to-number)
- (key-id "[^:]+")
- (creation-date "[0-9]+")
- (expiration-date "[0-9]+")
- nil
- (ownertrust "[^:]"))
-"The schema of keylisting output whose type is \"sec\".
-This is used by `epg-list-keys'.")
-
-(defvar epg-colons-uid-spec
- '((trust "[^:]")
- nil
- nil
- nil
- (creation-date "[0-9]+")
- (expiration-date "[0-9]+")
- (hash "[^:]+")
- nil
- (user-id "[^:]+"))
- "The schema of keylisting output whose type is \"uid\".
-This is used by `epg-list-keys'.")
-
-(defun epg-make-context (&optional protocol armor textmode include-certs)
+(defvar epg-debug-buffer nil)
+
+;; from gnupg/include/cipher.h
+(defconst epg-cipher-algorithm-alist
+ '((0 . "NONE")
+ (1 . "IDEA")
+ (2 . "3DES")
+ (3 . "CAST5")
+ (4 . "BLOWFISH")
+ (7 . "AES")
+ (8 . "AES192")
+ (9 . "AES256")
+ (10 . "TWOFISH")
+ (110 . "DUMMY")))
+
+;; from gnupg/include/cipher.h
+(defconst epg-pubkey-algorithm-alist
+ '((1 . "RSA")
+ (2 . "RSA_E")
+ (3 . "RSA_S")
+ (16 . "ELGAMAL_E")
+ (17 . "DSA")
+ (20 . "ELGAMAL")))
+
+;; from gnupg/include/cipher.h
+(defconst epg-digest-algorithm-alist
+ '((1 . "MD5")
+ (2 . "SHA1")
+ (3 . "RMD160")
+ (8 . "SHA256")
+ (9 . "SHA384")
+ (10 . "SHA512")))
+
+;; from gnupg/include/cipher.h
+(defconst epg-compress-algorithm-alist
+ '((0 . "NONE")
+ (1 . "ZIP")
+ (2 . "ZLIB")
+ (3 . "BZIP2")))
+
+(defconst epg-invalid-recipients-alist
+ '((0 . "No specific reason given")
+ (1 . "Not Found")
+ (2 . "Ambigious specification")
+ (3 . "Wrong key usage")
+ (4 . "Key revoked")
+ (5 . "Key expired")
+ (6 . "No CRL known")
+ (7 . "CRL too old")
+ (8 . "Policy mismatch")
+ (9 . "Not a secret key")
+ (10 . "Key not trusted")))
+
+(defconst epg-delete-problem-alist
+ '((1 . "No such key")
+ (2 . "Must delete secret key first")
+ (3 . "Ambigious specification")))
+
+(defvar epg-key-validity-alist
+ '((?o . unknown)
+ (?i . invalid)
+ (?d . disabled)
+ (?r . revoked)
+ (?e . expired)
+ (?- . none)
+ (?q . undefined)
+ (?n . never)
+ (?m . marginal)
+ (?f . full)
+ (?u . ultimate)))
+
+(defvar epg-key-capablity-alist
+ '((?e . encrypt)
+ (?s . sign)
+ (?c . certify)
+ (?a . authentication)))
+
+(defvar epg-dn-type-alist
+ '(("1.2.840.113549.1.9.1" . "EMail")
+ ("2.5.4.12" . "T")
+ ("2.5.4.42" . "GN")
+ ("2.5.4.4" . "SN")
+ ("0.2.262.1.10.7.20" . "NameDistinguisher")
+ ("2.5.4.16" . "ADDR")
+ ("2.5.4.15" . "BC")
+ ("2.5.4.13" . "D")
+ ("2.5.4.17" . "PostalCode")
+ ("2.5.4.65" . "Pseudo")
+ ("2.5.4.5" . "SerialNumber")))
+
+(defvar epg-prompt-alist nil)
+
+(defun epg-make-data-from-file (file)
+ "Make a data object from FILE."
+ (cons 'epg-data (vector file nil)))
+
+(defun epg-make-data-from-string (string)
+ "Make a data object from STRING."
+ (cons 'epg-data (vector nil string)))
+
+(defun epg-data-file (data)
+ "Return the file of DATA."
+ (unless (eq (car data) 'epg-data)
+ (signal 'wrong-type-argument (list 'epg-data-p data)))
+ (aref (cdr data) 0))
+
+(defun epg-data-string (data)
+ "Return the string of DATA."
+ (unless (eq (car data) 'epg-data)
+ (signal 'wrong-type-argument (list 'epg-data-p data)))
+ (aref (cdr data) 1))
+
+(defun epg-make-context (&optional protocol armor textmode include-certs
+ cipher-algorithm digest-algorithm
+ compress-algorithm)
"Return a context object."
- (vector protocol armor textmode include-certs
- (cons #'epg-passphrase-callback-function nil)
- (cons #'epg-progress-callback-function nil)
- nil nil nil nil))
+ (cons 'epg-context
+ (vector protocol armor textmode include-certs
+ cipher-algorithm digest-algorithm compress-algorithm
+ #'epg-passphrase-callback-function
+ #'epg-progress-callback-function
+ nil nil nil nil)))
(defun epg-context-protocol (context)
- "Return the protocol used within the context."
- (aref context 0))
+ "Return the protocol used within CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 0))
(defun epg-context-armor (context)
- "Return t if the output shouled be ASCII armored in the CONTEXT context."
- (aref context 1))
+ "Return t if the output shouled be ASCII armored in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 1))
(defun epg-context-textmode (context)
- "Return t if canonical text mode should be used in the CONTEXT context."
- (aref context 2))
+ "Return t if canonical text mode should be used in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 2))
(defun epg-context-include-certs (context)
"Return how many certificates should be included in an S/MIME signed
message."
- (aref context 3))
-
-(defun epg-context-passphrase-callback-info (context)
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 3))
+
+(defun epg-context-cipher-algorithm (context)
+ "Return the cipher algorithm in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 4))
+
+(defun epg-context-digest-algorithm (context)
+ "Return the digest algorithm in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 5))
+
+(defun epg-context-compress-algorithm (context)
+ "Return the compress algorithm in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 6))
+
+(defun epg-context-passphrase-callback (context)
"Return the function used to query passphrase."
- (aref context 4))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 7))
-(defun epg-context-progress-callback-info (context)
+(defun epg-context-progress-callback (context)
"Return the function which handles progress update."
- (aref context 5))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 8))
(defun epg-context-signers (context)
"Return the list of key-id for singning."
- (aref context 6))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 9))
(defun epg-context-process (context)
"Return the process object of `epg-gpg-program'.
This function is for internal use only."
- (aref context 7))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 10))
(defun epg-context-output-file (context)
"Return the output file of `epg-gpg-program'.
This function is for internal use only."
- (aref context 8))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 11))
(defun epg-context-result (context)
"Return the result of the previous cryptographic operation."
- (aref context 9))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aref (cdr context) 12))
(defun epg-context-set-protocol (context protocol)
- "Set the protocol used within the context."
- (aset context 0 protocol))
+ "Set the protocol used within CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 0 protocol))
(defun epg-context-set-armor (context armor)
- "Specify if the output shouled be ASCII armored in the CONTEXT context."
- (aset context 1 armor))
+ "Specify if the output shouled be ASCII armored in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 1 armor))
(defun epg-context-set-textmode (context textmode)
- "Specify if canonical text mode should be used in the CONTEXT context."
- (aset context 2 textmode))
+ "Specify if canonical text mode should be used in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 2 textmode))
(defun epg-context-set-include-certs (context include-certs)
"Set how many certificates should be included in an S/MIME signed message."
- (aset context 3 include-certs))
-
-(defun epg-context-set-passphrase-callback-info (context
- passphrase-callback-info)
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 3 include-certs))
+
+(defun epg-context-set-cipher-algorithm (context cipher-algorithm)
+ "Set the cipher algorithm in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 4 cipher-algorithm))
+
+(defun epg-context-set-digest-algorithm (context digest-algorithm)
+ "Set the digest algorithm in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 5 digest-algorithm))
+
+(defun epg-context-set-compress-algorithm (context compress-algorithm)
+ "Set the compress algorithm in CONTEXT."
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 6 compress-algorithm))
+
+(defun epg-context-set-passphrase-callback (context
+ passphrase-callback)
"Set the function used to query passphrase."
- (aset context 4 passphrase-callback-info))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 7 passphrase-callback))
-(defun epg-context-set-progress-callback-info (context progress-callback-info)
+(defun epg-context-set-progress-callback (context progress-callback)
"Set the function which handles progress update."
- (aset context 5 progress-callback-info))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 8 progress-callback))
(defun epg-context-set-signers (context signers)
"Set the list of key-id for singning."
- (aset context 6 signers))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 9 signers))
(defun epg-context-set-process (context process)
"Set the process object of `epg-gpg-program'.
This function is for internal use only."
- (aset context 7 process))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 10 process))
(defun epg-context-set-output-file (context output-file)
"Set the output file of `epg-gpg-program'.
This function is for internal use only."
- (aset context 8 output-file))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 11 output-file))
(defun epg-context-set-result (context result)
"Set the result of the previous cryptographic operation."
- (aset context 9 result))
+ (unless (eq (car context) 'epg-context)
+ (signal 'wrong-type-argument (list 'epg-context-p context)))
+ (aset (cdr context) 12 result))
(defun epg-make-signature (status key-id user-id)
"Return a signature object."
- (vector status key-id user-id nil))
+ (cons 'epg-signature (vector status key-id user-id nil nil)))
(defun epg-signature-status (signature)
"Return the status code of SIGNATURE."
- (aref signature 0))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aref (cdr signature) 0))
(defun epg-signature-key-id (signature)
"Return the key-id of SIGNATURE."
- (aref signature 1))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aref (cdr signature) 1))
(defun epg-signature-user-id (signature)
"Return the user-id of SIGNATURE."
- (aref signature 2))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aref (cdr signature) 2))
(defun epg-signature-validity (signature)
"Return the validity of SIGNATURE."
- (aref signature 3))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aref (cdr signature) 3))
+
+(defun epg-signature-fingerprint (signature)
+ "Return the fingerprint of SIGNATURE."
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aref (cdr signature) 4))
(defun epg-signature-set-status (signature status)
"Set the status code of SIGNATURE."
- (aset signature 0 status))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aset (cdr signature) 0 status))
(defun epg-signature-set-key-id (signature key-id)
"Set the key-id of SIGNATURE."
- (aset signature 1 key-id))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aset (cdr signature) 1 key-id))
(defun epg-signature-set-user-id (signature user-id)
"Set the user-id of SIGNATURE."
- (aset signature 2 user-id))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aset (cdr signature) 2 user-id))
(defun epg-signature-set-validity (signature validity)
"Set the validity of SIGNATURE."
- (aset signature 3 validity))
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aset (cdr signature) 3 validity))
+
+(defun epg-signature-set-fingerprint (signature fingerprint)
+ "Set the fingerprint of SIGNATURE."
+ (unless (eq (car signature) 'epg-signature)
+ (signal 'wrong-type-argument (list 'epg-signature-p signature)))
+ (aset (cdr signature) 4 fingerprint))
+
+(defun epg-make-key (owner-trust)
+ "Return a key object."
+ (cons 'epg-key (vector owner-trust nil nil)))
+
+(defun epg-key-owner-trust (key)
+ "Return the owner trust of KEY."
+ (unless (eq (car key) 'epg-key)
+ (signal 'wrong-type-argument (list 'epg-key-p key)))
+ (aref (cdr key) 0))
+
+(defun epg-key-sub-key-list (key)
+ "Return the sub key list of KEY."
+ (unless (eq (car key) 'epg-key)
+ (signal 'wrong-type-argument (list 'epg-key-p key)))
+ (aref (cdr key) 1))
+
+(defun epg-key-user-id-list (key)
+ "Return the user ID list of KEY."
+ (unless (eq (car key) 'epg-key)
+ (signal 'wrong-type-argument (list 'epg-key-p key)))
+ (aref (cdr key) 2))
+
+(defun epg-key-set-sub-key-list (key sub-key-list)
+ "Set the sub key list of KEY."
+ (unless (eq (car key) 'epg-key)
+ (signal 'wrong-type-argument (list 'epg-key-p key)))
+ (aset (cdr key) 1 sub-key-list))
+
+(defun epg-key-set-user-id-list (key user-id-list)
+ "Set the user ID list of KEY."
+ (unless (eq (car key) 'epg-key)
+ (signal 'wrong-type-argument (list 'epg-key-p key)))
+ (aset (cdr key) 2 user-id-list))
+
+(defun epg-make-sub-key (validity capability secret algorithm length id
+ creation-time expiration-time)
+ "Return a sub key object."
+ (cons 'epg-sub-key
+ (vector validity capability secret algorithm length id creation-time
+ expiration-time nil)))
+
+(defun epg-sub-key-validity (sub-key)
+ "Return the validity of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 0))
+
+(defun epg-sub-key-capability (sub-key)
+ "Return the capability of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 1))
+
+(defun epg-sub-key-secret (sub-key)
+ "Return non-nil if SUB-KEY is a secret key."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 2))
+
+(defun epg-sub-key-algorithm (sub-key)
+ "Return the algorithm of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 3))
+
+(defun epg-sub-key-length (sub-key)
+ "Return the length of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 4))
+
+(defun epg-sub-key-id (sub-key)
+ "Return the ID of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 5))
+
+(defun epg-sub-key-creation-time (sub-key)
+ "Return the creation time of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 6))
+
+(defun epg-sub-key-expiration-time (sub-key)
+ "Return the expiration time of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 7))
+
+(defun epg-sub-key-fingerprint (sub-key)
+ "Return the fingerprint of SUB-KEY."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aref (cdr sub-key) 8))
+
+(defun epg-sub-key-set-fingerprint (sub-key fingerprint)
+ "Set the fingerprint of SUB-KEY.
+This function is for internal use only."
+ (unless (eq (car sub-key) 'epg-sub-key)
+ (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
+ (aset (cdr sub-key) 8 fingerprint))
+
+(defun epg-make-user-id (validity name)
+ "Return a user ID object."
+ (cons 'epg-user-id (vector validity name nil)))
+
+(defun epg-user-id-validity (user-id)
+ "Return the validity of USER-ID."
+ (unless (eq (car user-id) 'epg-user-id)
+ (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
+ (aref (cdr user-id) 0))
+
+(defun epg-user-id-name (user-id)
+ "Return the name of USER-ID."
+ (unless (eq (car user-id) 'epg-user-id)
+ (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
+ (aref (cdr user-id) 1))
+
+(defun epg-user-id-signature-list (user-id)
+ "Return the signature list of USER-ID."
+ (unless (eq (car user-id) 'epg-user-id)
+ (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
+ (aref (cdr user-id) 2))
+
+(defun epg-user-id-set-signature-list (user-id signature-list)
+ "Set the signature list of USER-ID."
+ (unless (eq (car user-id) 'epg-user-id)
+ (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
+ (aset (cdr user-id) 2 signature-list))
(defun epg-context-result-for (context name)
(cdr (assq name (epg-context-result context))))
(setcdr entry value)
(epg-context-set-result context (cons (cons name value) result)))))
+(defun epg-signature-to-string (signature)
+ (format "%s signature from %s %s%s"
+ (capitalize (symbol-name (epg-signature-status signature)))
+ (epg-signature-key-id signature)
+ (epg-signature-user-id signature)
+ (if (epg-signature-validity signature)
+ (format " (trust %s)"
+ (epg-signature-validity signature))
+ "")))
+
+(defun epg-verify-result-to-string (verify-result)
+ (mapconcat #'epg-signature-to-string verify-result "\n"))
+
(defun epg-start (context args)
"Start `epg-gpg-program' in a subprocess with given ARGS."
(let* ((args (append (list "--no-tty"
"--status-fd" "1"
- "--command-fd" "0"
- "--yes") ; overwrite
+ "--yes")
+ (unless (eq (epg-context-protocol context) 'CMS)
+ (list "--command-fd" "0"))
(if (epg-context-armor context) '("--armor"))
(if (epg-context-textmode context) '("--textmode"))
(if (epg-context-output-file context)
(orig-mode (default-file-modes))
(buffer (generate-new-buffer " *epg*"))
process)
+ (if epg-debug
+ (save-excursion
+ (unless epg-debug-buffer
+ (setq epg-debug-buffer (generate-new-buffer " *epg-debug*")))
+ (set-buffer epg-debug-buffer)
+ (goto-char (point-max))
+ (insert (format "%s %s\n"
+ (if (eq (epg-context-protocol context) 'CMS)
+ epg-gpgsm-program
+ epg-gpg-program)
+ (mapconcat #'identity args " ")))))
(with-current-buffer buffer
(make-local-variable 'epg-read-point)
(setq epg-read-point (point-min))
(progn
(set-default-file-modes 448)
(setq process
- (apply #'start-process "epg" buffer epg-gpg-program args)))
+ (apply #'start-process "epg" buffer
+ (if (eq (epg-context-protocol context) 'CMS)
+ epg-gpgsm-program
+ epg-gpg-program)
+ args)))
(set-default-file-modes orig-mode))
(set-process-filter process #'epg-process-filter)
+ (set-process-sentinel process #'epg-process-sentinel)
(epg-context-set-process context process)))
(defun epg-process-filter (process input)
(if epg-debug
(save-excursion
- (set-buffer (get-buffer-create " *epg-debug*"))
+ (unless epg-debug-buffer
+ (setq epg-debug-buffer (generate-new-buffer " *epg-debug*")))
+ (set-buffer epg-debug-buffer)
(goto-char (point-max))
(insert input)))
(if (buffer-live-p (process-buffer process))
(insert input)
(goto-char epg-read-point)
(beginning-of-line)
- (while (looking-at ".*\n") ;the input line is finished
+ (while (looking-at ".*\n") ;the input line finished
(save-excursion
(if (looking-at "\\[GNUPG:] \\([A-Z_]+\\) ?\\(.*\\)")
(let* ((status (match-string 1))
(forward-line))
(setq epg-read-point (point)))))
+(defun epg-process-sentinel (process status)
+ (if (and (buffer-live-p (process-buffer process))
+ (not (equal status "finished\n")))
+ (save-excursion
+ (set-buffer (process-buffer process))
+ ;; gpg process exited abnormally, but we have not received an
+ ;; error response from it. Set it here.
+ (unless (epg-context-result-for epg-context 'error)
+ (if (string-match "\\`exited abnormally with code \\(.*\\)\n" status)
+ (epg-context-set-result-for
+ epg-context 'error
+ (list (cons 'exit (string-to-number (match-string 1 status)))))
+ (epg-context-set-result-for epg-context 'error
+ (list (cons 'signal status))))))))
+
(defun epg-read-output (context)
(with-temp-buffer
(if (fboundp 'set-buffer-multibyte)
(accept-process-output (epg-context-process context) 1))))
(defun epg-wait-for-completion (context)
- (if (eq (process-status (epg-context-process context)) 'run)
- (process-send-eof (epg-context-process context)))
(while (eq (process-status (epg-context-process context)) 'run)
;; We can't use accept-process-output instead of sit-for here
;; because it may cause an interrupt during the sentinel execution.
(sit-for 0.1)))
+(defun epg-flush (context)
+ (if (eq (process-status (epg-context-process context)) 'run)
+ (process-send-eof (epg-context-process context))))
+
(defun epg-reset (context)
(if (and (epg-context-process context)
(buffer-live-p (process-buffer (epg-context-process context))))
(kill-buffer (process-buffer (epg-context-process context))))
- (epg-context-set-process context nil)
- (if (file-exists-p (epg-context-output-file context))
- (delete-file (epg-context-output-file context)))
- (aset context 9 nil))
+ (epg-context-set-process context nil))
+
+(defun epg-delete-output-file (context)
+ (if (and (epg-context-output-file context)
+ (file-exists-p (epg-context-output-file context)))
+ (delete-file (epg-context-output-file context))))
(defun epg-status-USERID_HINT (process string)
(if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
(setq epg-key-id 'PIN))
(defun epg-status-GET_HIDDEN (process string)
- (let ((passphrase
- (funcall (car (epg-context-passphrase-callback-info epg-context))
- epg-key-id
- (cdr (epg-context-passphrase-callback-info epg-context))))
- string)
- (if passphrase
+ (if (and epg-key-id
+ (string-match "\\`passphrase\\." string))
+ (let (inhibit-quit
+ passphrase
+ passphrase-with-new-line)
(unwind-protect
- (progn
- (setq string (concat passphrase "\n"))
- (fillarray passphrase 0)
- (setq passphrase nil)
- (process-send-string process string))
- (if string
- (fillarray string 0))))))
+ (condition-case nil
+ (progn
+ (setq passphrase
+ (funcall
+ (if (consp (epg-context-passphrase-callback
+ epg-context))
+ (car (epg-context-passphrase-callback
+ epg-context))
+ (epg-context-passphrase-callback epg-context))
+ epg-context
+ epg-key-id
+ (if (consp (epg-context-passphrase-callback
+ epg-context))
+ (cdr (epg-context-passphrase-callback
+ epg-context)))))
+ (when passphrase
+ (setq passphrase-with-new-line (concat passphrase "\n"))
+ (fillarray passphrase 0)
+ (setq passphrase nil)
+ (process-send-string process passphrase-with-new-line)))
+ (quit
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons 'quit
+ (epg-context-result-for epg-context 'error)))
+ (delete-process process)))
+ (if passphrase
+ (fillarray passphrase 0))
+ (if passphrase-with-new-line
+ (fillarray passphrase-with-new-line 0))))))
+
+(defun epg-status-GET_BOOL (process string)
+ (let ((entry (assoc string epg-prompt-alist))
+ inhibit-quit)
+ (condition-case nil
+ (if (y-or-n-p (if entry (cdr entry) (concat string "? ")))
+ (process-send-string process "y\n")
+ (process-send-string process "n\n"))
+ (quit
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons 'quit
+ (epg-context-result-for epg-context 'error)))
+ (delete-process process)))))
+
+(defun epg-status-GET_LINE (process string)
+ (let ((entry (assoc string epg-prompt-alist))
+ inhibit-quit)
+ (condition-case nil
+ (process-send-string
+ process
+ (concat (read-string (if entry (cdr entry) (concat string ": ")))
+ "\n"))
+ (quit
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons 'quit
+ (epg-context-result-for epg-context 'error)))
+ (delete-process process)))))
(defun epg-status-GOODSIG (process string)
(if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
(epg-context-set-result-for
epg-context
'verify
- (cons (epg-make-signature 'good
- (match-string 1 string)
- (match-string 2 string))
+ (cons (epg-make-signature
+ 'good
+ (match-string 1 string)
+ (if (eq (epg-context-protocol epg-context) 'CMS)
+ (condition-case nil
+ (epg-dn-from-string (match-string 2 string))
+ (error (match-string 2 string)))
+ (match-string 2 string)))
(epg-context-result-for epg-context 'verify)))))
(defun epg-status-EXPSIG (process string)
(epg-context-set-result-for
epg-context
'verify
- (cons (epg-make-signature 'expired
- (match-string 1 string)
- (match-string 2 string))
+ (cons (epg-make-signature
+ 'expired
+ (match-string 1 string)
+ (if (eq (epg-context-protocol epg-context) 'CMS)
+ (condition-case nil
+ (epg-dn-from-string (match-string 2 string))
+ (error (match-string 2 string)))
+ (match-string 2 string)))
(epg-context-result-for epg-context 'verify)))))
(defun epg-status-EXPKEYSIG (process string)
(epg-context-set-result-for
epg-context
'verify
- (cons (epg-make-signature 'expired-key
- (match-string 1 string)
- (match-string 2 string))
+ (cons (epg-make-signature
+ 'expired-key
+ (match-string 1 string)
+ (if (eq (epg-context-protocol epg-context) 'CMS)
+ (condition-case nil
+ (epg-dn-from-string (match-string 2 string))
+ (error (match-string 2 string)))
+ (match-string 2 string)))
(epg-context-result-for epg-context 'verify)))))
(defun epg-status-REVKEYSIG (process string)
(epg-context-set-result-for
epg-context
'verify
- (cons (epg-make-signature 'revoked-key
- (match-string 1 string)
- (match-string 2 string))
+ (cons (epg-make-signature
+ 'revoked-key
+ (match-string 1 string)
+ (if (eq (epg-context-protocol epg-context) 'CMS)
+ (condition-case nil
+ (epg-dn-from-string (match-string 2 string))
+ (error (match-string 2 string)))
+ (match-string 2 string)))
(epg-context-result-for epg-context 'verify)))))
(defun epg-status-BADSIG (process string)
(epg-context-set-result-for
epg-context
'verify
- (cons (epg-make-signature 'bad
- (match-string 1 string)
- (match-string 2 string))
+ (cons (epg-make-signature
+ 'bad
+ (match-string 1 string)
+ (if (eq (epg-context-protocol epg-context) 'CMS)
+ (condition-case nil
+ (epg-dn-from-string (match-string 2 string))
+ (error (match-string 2 string)))
+ (match-string 2 string)))
(epg-context-result-for epg-context 'verify)))))
+(defun epg-status-VALIDSIG (process string)
+ (let ((signature (car (epg-context-result-for epg-context 'verify))))
+ (if (and signature
+ (eq (epg-signature-status signature) 'good)
+ (string-match "\\`\\([^ ]+\\) " string))
+ (epg-signature-set-fingerprint signature (match-string 1 string)))))
+
(defun epg-status-TRUST_UNDEFINED (process string)
(let ((signature (car (epg-context-result-for epg-context 'verify))))
(if (and signature
(eq (epg-signature-status signature) 'good))
- (epg-signature-set-validity signature 'unknown))))
+ (epg-signature-set-validity signature 'undefined))))
(defun epg-status-TRUST_NEVER (process string)
(let ((signature (car (epg-context-result-for epg-context 'verify))))
(let ((signature (car (epg-context-result-for epg-context 'verify))))
(if (and signature
(eq (epg-signature-status signature) 'good))
- (epg-signature-set-validity signature 'full))))
+ (epg-signature-set-validity signature 'ultimate))))
+
+(defun epg-status-NO_PUBKEY (process string)
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons (cons 'no-pubkey string)
+ (epg-context-result-for epg-context 'error))))
+
+(defun epg-status-NO_SECKEY (process string)
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons (cons 'no-seckey string)
+ (epg-context-result-for epg-context 'error))))
(defun epg-status-PROGRESS (process string)
(if (string-match "\\`\\([^ ]+\\) \\([^ ]\\) \\([0-9]+\\) \\([0-9]+\\)"
string)
- (funcall (car (epg-context-progress-callback-info epg-context))
+ (funcall (if (consp (epg-context-progress-callback epg-context))
+ (car (epg-context-progress-callback epg-context))
+ (epg-context-progress-callback epg-context))
+ epg-context
(match-string 1 string)
(match-string 2 string)
(string-to-number (match-string 3 string))
(string-to-number (match-string 4 string))
- (cdr (epg-context-progress-callback-info epg-context)))))
+ (if (consp (epg-context-progress-callback epg-context))
+ (cdr (epg-context-progress-callback epg-context))))))
(defun epg-status-DECRYPTION_FAILED (process string)
(epg-context-set-result-for
(cons 'bad-armor
(epg-context-result-for epg-context 'error))))
-(defun epg-passphrase-callback-function (key-id handback)
+(defun epg-status-INV_RECP (process string)
+ (if (string-match "\\`\\([0-9]+\\) \\(.*\\)" string)
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons (list 'invalid-recipient
+ (string-to-number (match-string 1 string))
+ (match-string 2 string))
+ (epg-context-result-for epg-context 'error)))))
+
+(defun epg-status-NO_RECP (process string)
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons 'no-recipients
+ (epg-context-result-for epg-context 'error))))
+
+(defun epg-status-DELETE_PROBLEM (process string)
+ (if (string-match "\\`\\([0-9]+\\)" string)
+ (epg-context-set-result-for
+ epg-context 'error
+ (cons (cons 'delete-problem (string-to-number (match-string 1 string)))
+ (epg-context-result-for epg-context 'error)))))
+
+(defun epg-status-SIG_CREATED (process string)
+ (if (string-match "\\`\\([DCS]\\) \\([0-9]+\\) \\([0-9]+\\) \
+\\([0-9A-Fa-F][0-9A-Fa-F]\\) \\(.*\\) " string)
+ (epg-context-set-result-for
+ epg-context 'sign
+ (cons (list (cons 'type (string-to-char (match-string 1 string)))
+ (cons 'pubkey-algorithm
+ (string-to-number (match-string 2 string)))
+ (cons 'digest-algorithm
+ (string-to-number (match-string 3 string)))
+ (cons 'class (string-to-number (match-string 4 string) 16))
+ (cons 'creation-time (match-string 5 string))
+ (cons 'fingerprint (substring string (match-end 0))))
+ (epg-context-result-for epg-context 'sign)))))
+
+(defun epg-passphrase-callback-function (context key-id handback)
(read-passwd
(if (eq key-id 'SYM)
"Passphrase for symmetric encryption: "
(format "Passphrase for %s %s: " key-id (cdr entry))
(format "Passphrase for %s: " key-id)))))))
-(defun epg-progress-callback-function (what char current total handback)
+(defun epg-progress-callback-function (context what char current total
+ handback)
(message "%s: %d%%/%d%%" what current total))
-(defun epg-list-keys (name &optional secret)
- "List keys associated with STRING."
- (let ((args (list "--with-colons" "--no-greeting" "--batch"
- "--fixed-list-mode"
- (if secret "--list-secret-keys" "--list-keys")
- name))
- keys type symbol pointer)
+(defun epg-configuration ()
+ "Return a list of internal configuration parameters of `epg-gpg-program'."
+ (let (config type)
+ (with-temp-buffer
+ (apply #'call-process epg-gpg-program nil (list t nil) nil
+ '("--with-colons" "--list-config"))
+ (goto-char (point-min))
+ (while (re-search-forward "^cfg:\\([^:]+\\):\\(.*\\)" nil t)
+ (setq type (intern (match-string 1))
+ config (cons (cons type
+ (if (memq type
+ '(pubkey cipher digest compress))
+ (mapcar #'string-to-number
+ (delete "" (split-string
+ (match-string 2)
+ ";")))
+ (match-string 2)))
+ config))))
+ config))
+
+(defun epg-list-keys-1 (context name mode)
+ (let ((args (append (list "--with-colons" "--no-greeting" "--batch"
+ "--with-fingerprint"
+ "--with-fingerprint"
+ (if (or (eq mode t) (eq mode 'secret))
+ "--list-secret-keys"
+ (if mode
+ "--list-sigs"
+ "--list-keys")))
+ (unless (eq (epg-context-protocol context) 'CMS)
+ '("--fixed-list-mode"))
+ (if name (list name))))
+ keys string field index)
(with-temp-buffer
- (apply #'call-process epg-gpg-program nil (list t nil) nil args)
+ (apply #'call-process
+ (if (eq (epg-context-protocol context) 'CMS)
+ epg-gpgsm-program
+ epg-gpg-program)
+ nil (list t nil) nil args)
(goto-char (point-min))
- (while (looking-at "\\([a-z][a-z][a-z]\\):\\(.*\\)")
- (setq type (match-string 1)
- symbol (intern-soft (format "epg-colons-%s-spec" type)))
- (if (member type '("pub" "sec"))
- (setq keys (cons nil keys)))
- (if (and symbol
- (boundp symbol))
- (setcar keys (cons (cons (intern type)
- (epg-parse-colons
- (symbol-value symbol)
- (match-string 2)))
- (car keys))))
- (forward-line)))
- (setq pointer keys)
- (while pointer
- (setcar pointer (nreverse (car pointer)))
- (setq pointer (cdr pointer)))
+ (while (re-search-forward "^[a-z][a-z][a-z]:.*" nil t)
+ (setq keys (cons (make-vector 15 nil) keys)
+ string (match-string 0)
+ index 0
+ field 0)
+ (while (eq index
+ (string-match "\\([^:]+\\)?:" string index))
+ (setq index (match-end 0))
+ (aset (car keys) field (match-string 1 string))
+ (setq field (1+ field))))
+ (nreverse keys))))
+
+(defun epg-make-sub-key-1 (line)
+ (epg-make-sub-key
+ (if (aref line 1)
+ (cdr (assq (string-to-char (aref line 1)) epg-key-validity-alist)))
+ (delq nil
+ (mapcar (lambda (char) (cdr (assq char epg-key-capablity-alist)))
+ (aref line 11)))
+ (member (aref line 0) '("sec" "ssb"))
+ (string-to-number (aref line 3))
+ (string-to-number (aref line 2))
+ (aref line 4)
+ (aref line 5)
+ (aref line 6)))
+
+(defun epg-list-keys (context &optional name mode)
+ "Return a list of epg-key objects matched with NAME.
+If MODE is nil, only public keyring should be searched.
+If MODE is t or 'secret, only secret keyring should be searched.
+Otherwise, only public keyring should be searched and the key
+signatures should be included."
+ (let ((lines (epg-list-keys-1 context name mode))
+ keys cert)
+ (while lines
+ (cond
+ ((member (aref (car lines) 0) '("pub" "sec" "crt" "crs"))
+ (when (car keys)
+ (epg-key-set-sub-key-list
+ (car keys)
+ (nreverse (epg-key-sub-key-list (car keys))))
+ (epg-key-set-user-id-list
+ (car keys)
+ (nreverse (epg-key-user-id-list (car keys)))))
+ (setq cert (member (aref (car lines) 0) '("crt" "crs"))
+ keys (cons (epg-make-key
+ (if (aref (car lines) 8)
+ (cdr (assq (string-to-char (aref (car lines) 8))
+ epg-key-validity-alist))))
+ keys))
+ (epg-key-set-sub-key-list
+ (car keys)
+ (cons (epg-make-sub-key-1 (car lines))
+ (epg-key-sub-key-list (car keys)))))
+ ((member (aref (car lines) 0) '("sub" "ssb"))
+ (epg-key-set-sub-key-list
+ (car keys)
+ (cons (epg-make-sub-key-1 (car lines))
+ (epg-key-sub-key-list (car keys)))))
+ ((equal (aref (car lines) 0) "uid")
+ (epg-key-set-user-id-list
+ (car keys)
+ (cons (epg-make-user-id
+ (if (aref (car lines) 1)
+ (cdr (assq (string-to-char (aref (car lines) 1))
+ epg-key-validity-alist)))
+ (if cert
+ (condition-case nil
+ (epg-dn-from-string (aref (car lines) 9))
+ (error (aref (car lines) 9)))
+ (aref (car lines) 9)))
+ (epg-key-user-id-list (car keys)))))
+ ((equal (aref (car lines) 0) "fpr")
+ (epg-sub-key-set-fingerprint (car (epg-key-sub-key-list (car keys)))
+ (aref (car lines) 9))))
+ (setq lines (cdr lines)))
+ (when (car keys)
+ (epg-key-set-sub-key-list
+ (car keys)
+ (nreverse (epg-key-sub-key-list (car keys))))
+ (epg-key-set-user-id-list
+ (car keys)
+ (nreverse (epg-key-user-id-list (car keys)))))
(nreverse keys)))
-(defun epg-parse-colons (alist string)
- (let ((index 0)
- result)
- (while (and alist
- (or (null (car alist))
- (eq index
- (string-match
- (concat "\\(" (nth 1 (car alist)) "\\)?:")
- string index))))
- (if (car alist)
- (progn
- (setq index (match-end 0))
- (if (match-beginning 1)
- (setq result
- (cons (cons (car (car alist))
- (funcall (or (nth 3 (car alist)) #'identity)
- (match-string
- (1+ (or (nth 2 (car alist)) 0))
- string)))
- result))))
- (setq index (1+ index)))
- (setq alist (cdr alist)))
- (nreverse result)))
-
(if (fboundp 'make-temp-file)
(defalias 'epg-make-temp-file 'make-temp-file)
;; stolen from poe.el.
(delete-directory tempdir))))))
;;;###autoload
-(defun epg-start-decrypt (context input-file)
- "Initiate a decrypt operation on INPUT-FILE.
+(defun epg-cancel (context)
+ (if (eq (process-status (epg-context-process context)) 'run)
+ (delete-process (epg-context-process context))))
+
+;;;###autoload
+(defun epg-start-decrypt (context cipher)
+ "Initiate a decrypt operation on CIPHER.
+CIPHER is a data object.
If you use this function, you will need to wait for the completion of
`epg-gpg-program' by using `epg-wait-for-completion' and call
`epg-reset' to clear a temporaly output file.
If you are unsure, use synchronous version of this function
-`epg-decrypt-string' instead."
- (epg-context-set-output-file context (epg-make-temp-file "epg-output"))
- (epg-start context
- (list "--decrypt" input-file))
- (epg-wait-for-status context '("BEGIN_DECRYPTION")))
+`epg-decrypt-file' or `epg-decrypt-string' instead."
+ (unless (epg-data-file cipher)
+ (error "Not a file"))
+ (epg-context-set-result context nil)
+ (epg-start context (list "--decrypt" (epg-data-file cipher)))
+ ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
+ (unless (eq (epg-context-protocol context) 'CMS)
+ (epg-wait-for-status context '("BEGIN_DECRYPTION"))))
;;;###autoload
-(defun epg-decrypt-file (context input-file)
- "Decrypt INPUT-FILE and return the plain text."
+(defun epg-decrypt-file (context cipher plain)
+ "Decrypt a file CIPHER and store the result to a file PLAIN.
+If PLAIN is nil, it returns the result as a string."
(unwind-protect
(progn
- (epg-start-decrypt context input-file)
+ (if plain
+ (epg-context-set-output-file context plain)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output")))
+ (epg-start-decrypt context (epg-make-data-from-file cipher))
(epg-wait-for-completion context)
(if (epg-context-result-for context 'error)
- (error "Decryption failed"))
- (epg-read-output context))
+ (error "Decrypt failed: %S"
+ (epg-context-result-for context 'error)))
+ (unless plain
+ (epg-read-output context)))
+ (unless plain
+ (epg-delete-output-file context))
(epg-reset context)))
;;;###autoload
-(defun epg-decrypt-string (context string)
- "Decrypt STRING and return the plain text."
+(defun epg-decrypt-string (context cipher)
+ "Decrypt a string CIPHER and return the plain text."
(let ((input-file (epg-make-temp-file "epg-input"))
(coding-system-for-write 'binary))
(unwind-protect
(progn
- (write-region string nil input-file)
- (epg-decrypt-file context input-file))
+ (write-region cipher nil input-file nil 'quiet)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output"))
+ (epg-start-decrypt context (epg-make-data-from-file input-file))
+ (epg-flush context)
+ (epg-wait-for-completion context)
+ (if (epg-context-result-for context 'error)
+ (error "Decrypt failed: %S"
+ (epg-context-result-for context 'error)))
+ (epg-read-output context))
+ (epg-delete-output-file context)
(if (file-exists-p input-file)
- (delete-file input-file)))))
+ (delete-file input-file))
+ (epg-reset context))))
;;;###autoload
-(defun epg-start-verify (context signature &optional string)
+(defun epg-start-verify (context signature &optional signed-text)
"Initiate a verify operation on SIGNATURE.
+SIGNATURE and SIGNED-TEXT are a data object if they are specified.
-For a detached signature, both SIGNATURE and STRING should be string.
-For a normal or a clear text signature, STRING should be nil.
+For a detached signature, both SIGNATURE and SIGNED-TEXT should be set.
+For a normal or a clear text signature, SIGNED-TEXT should be nil.
If you use this function, you will need to wait for the completion of
`epg-gpg-program' by using `epg-wait-for-completion' and call
`epg-reset' to clear a temporaly output file.
If you are unsure, use synchronous version of this function
-`epg-verify-string' instead."
- (epg-context-set-output-file context (epg-make-temp-file "epg-output"))
- (if string
+`epg-verify-file' or `epg-verify-string' instead."
+ (epg-context-set-result context nil)
+ (if signed-text
;; Detached signature.
- (progn
- (epg-start context
- (append (list "--verify")
- (list signature "-")))
+ (if (epg-data-file signed-text)
+ (epg-start context (list "--verify" (epg-data-file signature)
+ (epg-data-file signed-text)))
+ (epg-start context (list "--verify" (epg-data-file signature) "-"))
(if (eq (process-status (epg-context-process context)) 'run)
- (process-send-string (epg-context-process context) string)))
+ (process-send-string (epg-context-process context)
+ (epg-data-string signed-text))))
;; Normal (or cleartext) signature.
- (epg-start context (list "--verify"))
- (if (eq (process-status (epg-context-process context)) 'run)
- (process-send-string (epg-context-process context) signature))))
+ (if (epg-data-file signature)
+ (epg-start context (list "--verify" (epg-data-file signature)))
+ (epg-start context (list "--verify"))
+ (if (eq (process-status (epg-context-process context)) 'run)
+ (process-send-string (epg-context-process context)
+ (epg-data-string signature))))))
;;;###autoload
-(defun epg-verify-string (context signature &optional string)
- "Verify SIGNATURE.
+(defun epg-verify-file (context signature &optional signed-text plain)
+ "Verify a file SIGNATURE.
+SIGNED-TEXT and PLAIN are also a file if they are specified.
-For a detached signature, both SIGNATURE and STRING should be string.
-For a normal or a clear text signature, STRING should be nil."
- (let ((input-file (epg-make-temp-file "epg-input"))
- (coding-system-for-write 'binary))
- (unwind-protect
- (progn
- (if string
- (write-region signature nil input-file))
- (epg-verify-file context input-file string))
- (if (file-exists-p input-file)
- (delete-file input-file)))))
-
-;;;###autoload
-(defun epg-verify-file (context input-file &optional string)
- "Verify INPUT-FILE.
-
-For a detached signature, both INPUT-FILE and STRING should be string.
-For a normal or a clear text signature, STRING should be nil."
+For a detached signature, both SIGNATURE and SIGNED-TEXT should be string.
+For a normal or a clear text signature, SIGNED-TEXT should be nil."
(unwind-protect
(progn
- (epg-start-verify context input-file string)
+ (if plain
+ (epg-context-set-output-file context plain)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output")))
+ (if signed-text
+ (epg-start-verify context
+ (epg-make-data-from-file signature)
+ (epg-make-data-from-file signed-text))
+ (epg-start-verify context
+ (epg-make-data-from-file signature)))
(epg-wait-for-completion context)
- (epg-context-result-for context 'verify))
- (epg-reset context))))
+ (unless plain
+ (epg-read-output context)))
+ (unless plain
+ (epg-delete-output-file context))
+ (epg-reset context)))
;;;###autoload
-(defun epg-start-sign (context string &optional mode)
- "Initiate a sign operation on STRING.
+(defun epg-verify-string (context signature &optional signed-text)
+ "Verify a string SIGNATURE.
+SIGNED-TEXT is a string if it is specified.
+
+For a detached signature, both SIGNATURE and SIGNED-TEXT should be string.
+For a normal or a clear text signature, SIGNED-TEXT should be nil."
+ (let ((coding-system-for-write 'binary)
+ input-file)
+ (unwind-protect
+ (progn
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output"))
+ (if signed-text
+ (progn
+ (setq input-file (epg-make-temp-file "epg-signature"))
+ (write-region signature nil input-file nil 'quiet)
+ (epg-start-verify context
+ (epg-make-data-from-file input-file)
+ (epg-make-data-from-string signed-text)))
+ (epg-start-verify context (epg-make-data-from-string signature)))
+ (epg-flush context)
+ (epg-wait-for-completion context)
+ (epg-read-output context))
+ (epg-delete-output-file context)
+ (if (and input-file
+ (file-exists-p input-file))
+ (delete-file input-file))
+ (epg-reset context))))
+
+;;;###autoload
+(defun epg-start-sign (context plain &optional mode)
+ "Initiate a sign operation on PLAIN.
+PLAIN is a data object.
If optional 3rd argument MODE is 'clearsign, it makes a clear text signature.
If MODE is t or 'detached, it makes a detached signature.
`epg-gpg-program' by using `epg-wait-for-completion' and call
`epg-reset' to clear a temporaly output file.
If you are unsure, use synchronous version of this function
-`epg-sign-string' instead."
- (epg-context-set-output-file context (epg-make-temp-file "epg-output"))
+`epg-sign-file' or `epg-sign-string' instead."
+ (epg-context-set-result context nil)
(epg-start context
(append (list (if (eq mode 'clearsign)
"--clearsign"
"--detach-sign"
"--sign")))
(apply #'nconc
- (mapcar (lambda (signer)
- (list "-u" signer))
- (epg-context-signers context)))))
- (epg-wait-for-status context '("BEGIN_SIGNING"))
- (if (eq (process-status (epg-context-process context)) 'run)
- (process-send-string (epg-context-process context) string)))
+ (mapcar
+ (lambda (signer)
+ (list "-u"
+ (epg-sub-key-id
+ (car (epg-key-sub-key-list signer)))))
+ (epg-context-signers context)))
+ (if (epg-data-file plain)
+ (list (epg-data-file plain)))))
+ ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
+ (unless (eq (epg-context-protocol context) 'CMS)
+ (epg-wait-for-status context '("BEGIN_SIGNING")))
+ (if (and (epg-data-string plain)
+ (eq (process-status (epg-context-process context)) 'run))
+ (process-send-string (epg-context-process context)
+ (epg-data-string plain))))
;;;###autoload
-(defun epg-sign-string (context string &optional mode)
- "Sign STRING and return the output as string.
+(defun epg-sign-file (context plain signature &optional mode)
+ "Sign a file PLAIN and store the result to a file SIGNATURE.
+If SIGNATURE is nil, it returns the result as a string.
If optional 3rd argument MODE is 'clearsign, it makes a clear text signature.
If MODE is t or 'detached, it makes a detached signature.
Otherwise, it makes a normal signature."
(unwind-protect
(progn
- (epg-start-sign context string mode)
+ (if signature
+ (epg-context-set-output-file context signature)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output")))
+ (epg-start-sign context (epg-make-data-from-file plain) mode)
(epg-wait-for-completion context)
- (if (epg-context-result-for context 'error)
- (error "Sign failed"))
+ (if (epg-context-result-for context 'sign)
+ (if (epg-context-result-for context 'error)
+ (message "Sign warning: %S"
+ (epg-context-result-for context 'error)))
+ (if (epg-context-result-for context 'error)
+ (error "Sign failed: %S"
+ (epg-context-result-for context 'error))
+ (error "Sign failed")))
+ (unless signature
+ (epg-read-output context)))
+ (unless signature
+ (epg-delete-output-file context))
+ (epg-reset context)))
+
+;;;###autoload
+(defun epg-sign-string (context plain &optional mode)
+ "Sign a string PLAIN and return the output as string.
+If optional 3rd argument MODE is 'clearsign, it makes a clear text signature.
+If MODE is t or 'detached, it makes a detached signature.
+Otherwise, it makes a normal signature."
+ (unwind-protect
+ (progn
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output"))
+ (epg-start-sign context (epg-make-data-from-string plain) mode)
+ (epg-flush context)
+ (epg-wait-for-completion context)
+ (if (epg-context-result-for context 'sign)
+ (if (epg-context-result-for context 'error)
+ (message "Sign warning: %S"
+ (epg-context-result-for context 'error)))
+ (if (epg-context-result-for context 'error)
+ (error "Sign failed: %S"
+ (epg-context-result-for context 'error))
+ (error "Sign failed")))
(epg-read-output context))
+ (epg-delete-output-file context)
(epg-reset context)))
;;;###autoload
-(defun epg-start-encrypt (context string recipients
+(defun epg-start-encrypt (context plain recipients
&optional sign always-trust)
- "Initiate an encrypt operation on STRING.
+ "Initiate an encrypt operation on PLAIN.
+PLAIN is a data object.
If RECIPIENTS is nil, it performs symmetric encryption.
If you use this function, you will need to wait for the completion of
`epg-gpg-program' by using `epg-wait-for-completion' and call
`epg-reset' to clear a temporaly output file.
If you are unsure, use synchronous version of this function
-`epg-encrypt-string' instead."
- (epg-context-set-output-file context (epg-make-temp-file "epg-output"))
+`epg-encrypt-file' or `epg-encrypt-string' instead."
+ (epg-context-set-result context nil)
(epg-start context
(append (if always-trust '("--always-trust"))
(if recipients '("--encrypt") '("--symmetric"))
(list "-u" signer))
(epg-context-signers context)))))
(apply #'nconc
- (mapcar (lambda (recipient)
- (list "-r" recipient))
- recipients))))
- (if sign
- (epg-wait-for-status context '("BEGIN_SIGNING"))
- (if (null recipients)
- (epg-wait-for-status context '("BEGIN_ENCRYPTION"))))
- (if (eq (process-status (epg-context-process context)) 'run)
- (process-send-string (epg-context-process context) string)))
+ (mapcar
+ (lambda (recipient)
+ (list "-r"
+ (epg-sub-key-id
+ (car (epg-key-sub-key-list recipient)))))
+ recipients))
+ (if (epg-data-file plain)
+ (list (epg-data-file plain)))))
+ ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
+ (unless (eq (epg-context-protocol context) 'CMS)
+ (if sign
+ (epg-wait-for-status context '("BEGIN_SIGNING"))
+ (epg-wait-for-status context '("BEGIN_ENCRYPTION"))))
+ (if (and (epg-data-string plain)
+ (eq (process-status (epg-context-process context)) 'run))
+ (process-send-string (epg-context-process context)
+ (epg-data-string plain))))
;;;###autoload
-(defun epg-encrypt-string (context string recipients
+(defun epg-encrypt-file (context plain recipients
+ cipher &optional sign always-trust)
+ "Encrypt a file PLAIN and store the result to a file CIPHER.
+If CIPHER is nil, it returns the result as a string.
+If RECIPIENTS is nil, it performs symmetric encryption."
+ (unwind-protect
+ (progn
+ (if cipher
+ (epg-context-set-output-file context cipher)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output")))
+ (epg-start-encrypt context (epg-make-data-from-file plain)
+ recipients sign always-trust)
+ (epg-wait-for-completion context)
+ (if sign
+ (if (epg-context-result-for context 'sign)
+ (if (epg-context-result-for context 'error)
+ (message "Sign warning: %S"
+ (epg-context-result-for context 'error)))
+ (if (epg-context-result-for context 'error)
+ (error "Sign failed: %S"
+ (epg-context-result-for context 'error))
+ (error "Sign failed"))))
+ (if (epg-context-result-for context 'error)
+ (error "Encrypt failed: %S"
+ (epg-context-result-for context 'error)))
+ (unless cipher
+ (epg-read-output context)))
+ (unless cipher
+ (epg-delete-output-file context))
+ (epg-reset context)))
+
+;;;###autoload
+(defun epg-encrypt-string (context plain recipients
&optional sign always-trust)
- "Encrypt STRING.
+ "Encrypt a string PLAIN.
If RECIPIENTS is nil, it performs symmetric encryption."
(unwind-protect
(progn
- (epg-start-encrypt context string recipients sign always-trust)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output"))
+ (epg-start-encrypt context (epg-make-data-from-string plain)
+ recipients sign always-trust)
+ (epg-flush context)
(epg-wait-for-completion context)
+ (if sign
+ (if (epg-context-result-for context 'sign)
+ (if (epg-context-result-for context 'error)
+ (message "Sign warning: %S"
+ (epg-context-result-for context 'error)))
+ (if (epg-context-result-for context 'error)
+ (error "Sign failed: %S"
+ (epg-context-result-for context 'error))
+ (error "Sign failed"))))
(if (epg-context-result-for context 'error)
- (error "Encrypt failed"))
+ (error "Encrypt failed: %S"
+ (epg-context-result-for context 'error)))
(epg-read-output context))
+ (epg-delete-output-file context)
(epg-reset context)))
;;;###autoload
-(defun epg-start-export-keys (context pattern)
+(defun epg-start-export-keys (context keys)
"Initiate an export keys operation.
If you use this function, you will need to wait for the completion of
`epg-gpg-program' by using `epg-wait-for-completion' and call
`epg-reset' to clear a temporaly output file.
If you are unsure, use synchronous version of this function
-`epg-export-keys' instead."
- (epg-context-set-output-file context (epg-make-temp-file "epg-output"))
- (epg-start context (list "--export" pattern)))
+`epg-export-keys-to-file' or `epg-export-keys-to-string' instead."
+ (epg-context-set-result context nil)
+ (epg-start context (cons "--export"
+ (mapcar
+ (lambda (key)
+ (epg-sub-key-id
+ (car (epg-key-sub-key-list key))))
+ keys))))
;;;###autoload
-(defun epg-export-keys (context pattern)
- "Extract public keys matched with PATTERN and return them."
+(defun epg-export-keys-to-file (context keys file)
+ "Extract public KEYS."
(unwind-protect
(progn
- (epg-start-export-keys context pattern)
+ (if keys
+ (epg-context-set-output-file context file)
+ (epg-context-set-output-file context
+ (epg-make-temp-file "epg-output")))
+ (epg-start-export-keys context keys)
(epg-wait-for-completion context)
(if (epg-context-result-for context 'error)
- (error "Export keys failed"))
- (epg-read-output context))
+ (error "Export keys failed: %S"
+ (epg-context-result-for context 'error)))
+ (unless file
+ (epg-read-output context)))
+ (unless file
+ (epg-delete-output-file context))
(epg-reset context)))
;;;###autoload
+(defun epg-export-keys-to-string (context keys)
+ "Extract public KEYS and return them as a string."
+ (epg-export-keys-to-file context keys nil))
+
+;;;###autoload
(defun epg-start-import-keys (context keys)
- "Initiate an import key operation.
+ "Initiate an import keys operation.
+KEYS is a data object.
If you use this function, you will need to wait for the completion of
`epg-gpg-program' by using `epg-wait-for-completion' and call
`epg-reset' to clear a temporaly output file.
If you are unsure, use synchronous version of this function
-`epg-import-keys' instead."
+`epg-import-keys-from-file' or `epg-import-keys-from-string' instead."
+ (epg-context-set-result context nil)
(epg-context-set-output-file context (epg-make-temp-file "epg-output"))
- (epg-start context (list "--import"))
- (if (eq (process-status (epg-context-process context)) 'run)
- (process-send-string (epg-context-process context) keys)))
-
-;;;###autoload
-(defun epg-import-keys (context keys)
- "Add KEYS."
+ (epg-start context (list "--import" (epg-data-file keys)))
+ (if (and (epg-data-string keys)
+ (eq (process-status (epg-context-process context)) 'run))
+ (process-send-string (epg-context-process context)
+ (epg-data-string keys))))
+
+(defun epg-import-keys-1 (context keys)
(unwind-protect
(progn
(epg-start-import-keys context keys)
+ (if (epg-data-file keys)
+ (epg-flush context))
(epg-wait-for-completion context)
(if (epg-context-result-for context 'error)
- (error "Import keys failed"))
+ (error "Import keys failed: %S"
+ (epg-context-result-for context 'error)))
(epg-read-output context))
(epg-reset context)))
+;;;###autoload
+(defun epg-import-keys-from-file (context keys)
+ "Add keys from a file KEYS."
+ (epg-import-keys-1 context (epg-make-data-from-file keys)))
+
+;;;###autoload
+(defun epg-import-keys-from-string (context keys)
+ "Add keys from a string KEYS."
+ (epg-import-keys-1 context (epg-make-data-from-string keys)))
+
+;;;###autoload
+(defun epg-start-delete-keys (context keys &optional allow-secret)
+ "Initiate an delete keys operation.
+
+If you use this function, you will need to wait for the completion of
+`epg-gpg-program' by using `epg-wait-for-completion' and call
+`epg-reset' to clear a temporaly output file.
+If you are unsure, use synchronous version of this function
+`epg-delete-keys' instead."
+ (epg-context-set-result context nil)
+ (epg-start context (cons (if allow-secret
+ "--delete-secret-key"
+ "--delete-key")
+ (mapcar
+ (lambda (key)
+ (epg-sub-key-id
+ (car (epg-key-sub-key-list key))))
+ keys))))
+
+;;;###autoload
+(defun epg-delete-keys (context keys &optional allow-secret)
+ "Delete KEYS from the key ring."
+ (unwind-protect
+ (progn
+ (epg-start-delete-keys context keys allow-secret)
+ (epg-wait-for-completion context)
+ (if (epg-context-result-for context 'error)
+ (error "Delete keys failed: %S"
+ (epg-context-result-for context 'error))))
+ (epg-reset context)))
+
+;;;###autoload
+(defun epg-start-sign-keys (context keys &optional local)
+ "Initiate an sign keys operation.
+
+If you use this function, you will need to wait for the completion of
+`epg-gpg-program' by using `epg-wait-for-completion' and call
+`epg-reset' to clear a temporaly output file.
+If you are unsure, use synchronous version of this function
+`epg-sign-keys' instead."
+ (epg-context-set-result context nil)
+ (epg-start context (cons (if local
+ "--lsign-key"
+ "--sign-key")
+ (mapcar
+ (lambda (key)
+ (epg-sub-key-id
+ (car (epg-key-sub-key-list key))))
+ keys))))
+
+;;;###autoload
+(defun epg-sign-keys (context keys &optional local)
+ "Sign KEYS from the key ring."
+ (unwind-protect
+ (progn
+ (epg-start-sign-keys context keys local)
+ (epg-wait-for-completion context)
+ (if (epg-context-result-for context 'error)
+ (error "Sign keys failed: %S"
+ (epg-context-result-for context 'error))))
+ (epg-reset context)))
+
+(defun epg-decode-hexstring (string)
+ (let ((index 0))
+ (while (eq index (string-match "[0-9A-Fa-f][0-9A-Fa-f]" string index))
+ (setq string (replace-match "\\x\\&" t nil string)
+ index (+ index 4)))
+ (car (read-from-string (concat "\"" string "\"")))))
+
+(defun epg-decode-quotedstring (string)
+ (let ((index 0))
+ (while (string-match "\\\\\\(\\([,=+<>#;\\\"]\\)\\|\
+\\([0-9A-Fa-f][0-9A-Fa-f]\\)\\|\\(.\\)\\)"
+ string index)
+ (if (match-beginning 2)
+ (setq string (replace-match "\\2" t nil string)
+ index (1+ index))
+ (if (match-beginning 3)
+ (setq string (replace-match "\\x\\3" t nil string)
+ index (+ index 4))
+ (setq string (replace-match "\\\\\\\\\\4" t nil string)
+ index (+ index 3)))))
+ (car (read-from-string (concat "\"" string "\"")))))
+
+(defun epg-dn-from-string (string)
+ "Parse STRING as LADPv3 Distinguished Names (RFC2253).
+The return value is an alist mapping from types to values."
+ (let ((index 0)
+ (length (length string))
+ alist type value group)
+ (while (< index length)
+ (if (eq index (string-match "[ \t\n\r]*" string index))
+ (setq index (match-end 0)))
+ (if (eq index (string-match
+ "\\([0-9]+\\(\\.[0-9]+\\)*\\)\[ \t\n\r]*=[ \t\n\r]*"
+ string index))
+ (setq type (match-string 1 string)
+ index (match-end 0))
+ (if (eq index (string-match "\\([0-9A-Za-z]+\\)[ \t\n\r]*=[ \t\n\r]*"
+ string index))
+ (setq type (match-string 1 string)
+ index (match-end 0))))
+ (unless type
+ (error "Invalid type"))
+ (if (eq index (string-match
+ "\\([^,=+<>#;\\\"]\\|\\\\.\\)+"
+ string index))
+ (setq index (match-end 0)
+ value (epg-decode-quotedstring (match-string 0 string)))
+ (if (eq index (string-match "#\\([0-9A-Fa-f]+\\)" string index))
+ (setq index (match-end 0)
+ value (epg-decode-hexstring (match-string 1 string)))
+ (if (eq index (string-match "\"\\([^\\\"]\\|\\\\.\\)*\""
+ string index))
+ (setq index (match-end 0)
+ value (epg-decode-quotedstring (match-string 0 string))))))
+ (if group
+ (if (stringp (car (car alist)))
+ (setcar alist (list (cons type value) (car alist)))
+ (setcar alist (cons (cons type value) (car alist))))
+ (if (consp (car (car alist)))
+ (setcar alist (nreverse (car alist))))
+ (setq alist (cons (cons type value) alist)
+ type nil
+ value nil))
+ (if (eq index (string-match "[ \t\n\r]*\\([,;+]\\)" string index))
+ (setq index (match-end 0)
+ group (eq (aref string (match-beginning 1)) ?+))))
+ (nreverse alist)))
+
+(defun epg-decode-dn (alist)
+ "Convert ALIST returned by `epg-dn-from-string' to a human readable form.
+Type names are resolved using `epg-dn-type-alist'."
+ (mapconcat
+ (lambda (rdn)
+ (if (stringp (car rdn))
+ (let ((entry (assoc (car rdn) epg-dn-type-alist)))
+ (if entry
+ (format "%s=%s" (cdr entry) (cdr rdn))
+ (format "%s=%s" (car rdn) (cdr rdn))))
+ (concat "(" (epg-decode-dn rdn) ")")))
+ alist
+ ", "))
+
(provide 'epg)
;;; epg.el ends here
projects / elisp / epg.git / blobdiff