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-rw-r--r--lisp/epg.el227
1 files changed, 157 insertions, 70 deletions
diff --git a/lisp/epg.el b/lisp/epg.el
index 348ad970b14..9ca07e213b4 100644
--- a/lisp/epg.el
+++ b/lisp/epg.el
@@ -1069,6 +1069,59 @@ This function is for internal use only."
(format " secret keys unchanged: %d\n"
(epg-import-result-secret-unchanged import-result)))))
+(defun epg-error-to-string (error)
+ (cond
+ ((eq (car error) 'exit)
+ "Exit")
+ ((eq (car error) 'quit)
+ "Cancelled")
+ ((eq (car error) 'no-data)
+ (let ((entry (assq (cdr error) epg-no-data-reason-alist)))
+ (if entry
+ (format "No data (%s)" (downcase (cdr entry)))
+ "No data")))
+ ((eq (car error) 'unexpected)
+ (let ((entry (assq (cdr error) epg-unexpected-reason-alist)))
+ (if entry
+ (format "Unexpected (%s)" (downcase (cdr entry)))
+ "Unexpected")))
+ ((eq (car error) 'bad-armor)
+ "Bad armor")
+ ((memq (car error) '(invalid-recipient invalid-signer))
+ (concat
+ (if (eq (car error) 'invalid-recipient)
+ "Unusable public key"
+ "Unusable secret key")
+ (let ((entry (assq 'requested (cdr error))))
+ (if entry
+ (format ": %s" (cdr entry))
+ ": <unknown>"))
+ (let ((entry (assq 'reason (cdr error))))
+ (if (and entry
+ (> (cdr entry) 0) ;no specific reason given
+ (setq entry (assq (cdr entry)
+ epg-invalid-recipients-reason-alist)))
+ (format " (%s)" (downcase (cdr entry)))
+ ""))))
+ ((eq (car error) 'no-pubkey)
+ (format "No public key: %s" (cdr error)))
+ ((eq (car error) 'no-seckey)
+ (format "No secret key: %s" (cdr error)))
+ ((eq (car error) 'no-recipients)
+ "No recipients")
+ ((eq (car error) 'no-signers)
+ "No signers")
+ ((eq (car error) 'delete-problem)
+ (let ((entry (assq (cdr error) epg-delete-problem-reason-alist)))
+ (if entry
+ (format "Delete problem (%s)" (downcase (cdr entry)))
+ "Delete problem")))
+ ((eq (car error) 'key-not-created)
+ "Key not created")))
+
+(defun epg-errors-to-string (errors)
+ (mapconcat #'epg-error-to-string errors "; "))
+
(defun epg--start (context args)
"Start `epg-gpg-program' in a subprocess with given ARGS."
(if (and (epg-context-process context)
@@ -1195,7 +1248,7 @@ This function is for internal use only."
(if epg-pending-status-list
(epg-context-set-result-for
context 'error
- (cons (list 'exit)
+ (cons '(exit)
(epg-context-result-for context 'error))))))
(defun epg-wait-for-completion (context)
@@ -1203,7 +1256,10 @@ This function is for internal use only."
(while (eq (process-status (epg-context-process context)) 'run)
(accept-process-output (epg-context-process context) 1))
;; This line is needed to run the process-filter right now.
- (sleep-for 0.1))
+ (sleep-for 0.1)
+ (epg-context-set-result-for
+ context 'error
+ (nreverse (epg-context-result-for context 'error))))
(defun epg-reset (context)
"Reset the CONTEXT."
@@ -1399,11 +1455,22 @@ This function is for internal use only."
(epg--status-*SIG context 'bad string))
(defun epg--status-NO_PUBKEY (context string)
- (let ((signature (car (epg-context-result-for context 'verify))))
- (if (and signature
- (eq (epg-signature-status signature) 'error)
- (equal (epg-signature-key-id signature) string))
- (epg-signature-set-status signature 'no-pubkey))))
+ (if (eq (epg-context-operation context) 'verify)
+ (let ((signature (car (epg-context-result-for context 'verify))))
+ (if (and signature
+ (eq (epg-signature-status signature) 'error)
+ (equal (epg-signature-key-id signature) string))
+ (epg-signature-set-status signature 'no-pubkey)))
+ (epg-context-set-result-for
+ context 'error
+ (cons (cons 'no-pubkey string)
+ (epg-context-result-for context 'error)))))
+
+(defun epg--status-NO_SECKEY (context string)
+ (epg-context-set-result-for
+ context 'error
+ (cons (cons 'no-seckey string)
+ (epg-context-result-for context 'error))))
(defun epg--time-from-seconds (seconds)
(let ((number-seconds (string-to-number (concat seconds ".0"))))
@@ -1564,13 +1631,13 @@ This function is for internal use only."
context 'key
(cons (list 'key-expired (cons 'expiration-time
(epg--time-from-seconds string)))
- (epg-context-result-for context 'error))))
+ (epg-context-result-for context 'key))))
(defun epg--status-KEYREVOKED (context _string)
(epg-context-set-result-for
context 'key
(cons '(key-revoked)
- (epg-context-result-for context 'error))))
+ (epg-context-result-for context 'key))))
(defun epg--status-BADARMOR (context _string)
(epg-context-set-result-for
@@ -1585,7 +1652,18 @@ This function is for internal use only."
(cons (list 'invalid-recipient
(cons 'reason
(string-to-number (match-string 1 string)))
- (cons 'requested-recipient
+ (cons 'requested
+ (match-string 2 string)))
+ (epg-context-result-for context 'error)))))
+
+(defun epg--status-INV_SGNR (context string)
+ (if (string-match "\\`\\([0-9]+\\) \\(.*\\)" string)
+ (epg-context-set-result-for
+ context 'error
+ (cons (list 'invalid-signer
+ (cons 'reason
+ (string-to-number (match-string 1 string)))
+ (cons 'requested
(match-string 2 string)))
(epg-context-result-for context 'error)))))
@@ -1595,6 +1673,12 @@ This function is for internal use only."
(cons '(no-recipients)
(epg-context-result-for context 'error))))
+(defun epg--status-NO_SGNR (context _string)
+ (epg-context-set-result-for
+ context 'error
+ (cons '(no-signers)
+ (epg-context-result-for context 'error))))
+
(defun epg--status-DELETE_PROBLEM (context string)
(if (string-match "\\`\\([0-9]+\\)" string)
(epg-context-set-result-for
@@ -1960,17 +2044,13 @@ If you are unsure, use synchronous version of this function
(epg-wait-for-status context '("BEGIN_DECRYPTION"))))
(defun epg--check-error-for-decrypt (context)
- (if (epg-context-result-for context 'decryption-failed)
- (signal 'epg-error (list "Decryption failed")))
- (if (epg-context-result-for context 'no-secret-key)
- (signal 'epg-error
- (list "No secret key"
- (epg-context-result-for context 'no-secret-key))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if (epg-context-result-for context 'decryption-failed)
+ (signal 'epg-error
+ (list "Decryption failed" (epg-errors-to-string errors))))
(unless (epg-context-result-for context 'decryption-okay)
- (let* ((error (epg-context-result-for context 'error)))
- (if (assq 'no-data error)
- (signal 'epg-error (list "No data")))
- (signal 'epg-error (list "Can't decrypt" error)))))
+ (signal 'epg-error
+ (list "Can't decrypt" (epg-errors-to-string errors))))))
(defun epg-decrypt-file (context cipher plain)
"Decrypt a file CIPHER and store the result to a file PLAIN.
@@ -2165,10 +2245,9 @@ Otherwise, it makes a cleartext signature."
(epg-start-sign context (epg-make-data-from-file plain) mode)
(epg-wait-for-completion context)
(unless (epg-context-result-for context 'sign)
- (if (epg-context-result-for context 'error)
- (error "Sign failed: %S"
- (epg-context-result-for context 'error))
- (error "Sign failed")))
+ (let ((errors (epg-context-result-for context 'error)))
+ (signal 'epg-error
+ (list "Sign failed" (epg-errors-to-string errors)))))
(unless signature
(epg-read-output context)))
(unless signature
@@ -2203,9 +2282,9 @@ Otherwise, it makes a cleartext signature."
(epg-wait-for-completion context)
(unless (epg-context-result-for context 'sign)
(if (epg-context-result-for context 'error)
- (error "Sign failed: %S"
- (epg-context-result-for context 'error))
- (error "Sign failed")))
+ (let ((errors (epg-context-result-for context 'error)))
+ (signal 'epg-error
+ (list "Sign failed" (epg-errors-to-string errors))))))
(epg-read-output context))
(epg-delete-output-file context)
(if input-file
@@ -2276,15 +2355,14 @@ If RECIPIENTS is nil, it performs symmetric encryption."
(epg-start-encrypt context (epg-make-data-from-file plain)
recipients sign always-trust)
(epg-wait-for-completion context)
- (if (and sign
- (not (epg-context-result-for context 'sign)))
- (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)))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if (and sign
+ (not (epg-context-result-for context 'sign)))
+ (signal 'epg-error
+ (list "Sign failed" (epg-errors-to-string errors))))
+ (if errors
+ (signal 'epg-error
+ (list "Encrypt failed" (epg-errors-to-string errors)))))
(unless cipher
(epg-read-output context)))
(unless cipher
@@ -2317,15 +2395,14 @@ If RECIPIENTS is nil, it performs symmetric encryption."
(epg-make-data-from-string plain))
recipients sign always-trust)
(epg-wait-for-completion context)
- (if (and sign
- (not (epg-context-result-for context 'sign)))
- (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)))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if (and sign
+ (not (epg-context-result-for context 'sign)))
+ (signal 'epg-error
+ (list "Sign failed" (epg-errors-to-string errors))))
+ (if errors
+ (signal 'epg-error
+ (list "Encrypt failed" (epg-errors-to-string errors)))))
(epg-read-output context))
(epg-delete-output-file context)
(if input-file
@@ -2359,9 +2436,11 @@ If you are unsure, use synchronous version of this function
(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: %S"
- (epg-context-result-for context 'error)))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Export keys failed"
+ (epg-errors-to-string errors)))))
(unless file
(epg-read-output context)))
(unless file
@@ -2398,9 +2477,11 @@ If you are unsure, use synchronous version of this function
(progn
(epg-start-import-keys context keys)
(epg-wait-for-completion context)
- (if (epg-context-result-for context 'error)
- (error "Import keys failed: %S"
- (epg-context-result-for context 'error))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Import keys failed"
+ (epg-errors-to-string errors))))))
(epg-reset context)))
(defun epg-import-keys-from-file (context keys)
@@ -2431,9 +2512,11 @@ KEYS is a list of key IDs"
(progn
(epg-start-receive-keys context keys)
(epg-wait-for-completion context)
- (if (epg-context-result-for context 'error)
- (error "Receive keys failed: %S"
- (epg-context-result-for context 'error))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Receive keys failed"
+ (epg-errors-to-string errors))))))
(epg-reset context)))
(defalias 'epg-import-keys-from-server 'epg-receive-keys)
@@ -2463,13 +2546,11 @@ If you are unsure, use synchronous version of this function
(progn
(epg-start-delete-keys context keys allow-secret)
(epg-wait-for-completion context)
- (let ((entry (assq 'delete-problem
- (epg-context-result-for context 'error))))
- (if entry
- (if (setq entry (assq (cdr entry)
- epg-delete-problem-reason-alist))
- (error "Delete keys failed: %s" (cdr entry))
- (error "Delete keys failed")))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Delete keys failed"
+ (epg-errors-to-string errors))))))
(epg-reset context)))
(defun epg-start-sign-keys (context keys &optional local)
@@ -2498,9 +2579,11 @@ If you are unsure, use synchronous version of this function
(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))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Sign keys failed"
+ (epg-errors-to-string errors))))))
(epg-reset context)))
(make-obsolete 'epg-sign-keys "do not use." "23.1")
@@ -2532,9 +2615,11 @@ PARAMETERS is a file which tells how to create the key."
(progn
(epg-start-generate-key context (epg-make-data-from-file parameters))
(epg-wait-for-completion context)
- (if (epg-context-result-for context 'error)
- (error "Generate key failed: %S"
- (epg-context-result-for context 'error))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Generate key failed"
+ (epg-errors-to-string errors))))))
(epg-reset context)))
(defun epg-generate-key-from-string (context parameters)
@@ -2544,9 +2629,11 @@ PARAMETERS is a string which tells how to create the key."
(progn
(epg-start-generate-key context (epg-make-data-from-string parameters))
(epg-wait-for-completion context)
- (if (epg-context-result-for context 'error)
- (error "Generate key failed: %S"
- (epg-context-result-for context 'error))))
+ (let ((errors (epg-context-result-for context 'error)))
+ (if errors
+ (signal 'epg-error
+ (list "Generate key failed"
+ (epg-errors-to-string errors))))))
(epg-reset context)))
(defun epg--decode-percent-escape (string)