:link '(custom-manual "(message)Mail Variables")
:group 'message-sending)
+(defcustom message-sendmail-extra-arguments nil
+ "Additional arguments to `sendmail-program'."
+ ;; E.g. '("-a" "account") for msmtp
+ :version "23.0" ;; No Gnus
+ :type '(repeat string)
+ ;; :link '(custom-manual "(message)Mail Variables")
+ :group 'message-sending)
+
;; qmail-related stuff
(defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
"Location of the qmail-inject program."
:link '(custom-manual "(message)Insertion Variables")
:group 'message-insertion)
-(defcustom message-citation-line-format "On %a, %b %d %Y, %n wrote:"
+(defcustom message-citation-line-format "On %a, %b %d %Y, %N wrote:"
"Format of the \"Whomever writes:\" line.
The string is formatted using `format-spec'. The following
(defcustom message-generate-hashcash (if (executable-find "hashcash") t)
"*Whether to generate X-Hashcash: headers.
+If `t', always generate hashcash headers. If `opportunistic',
+only generate hashcash headers if it can be done without the user
+waiting (i.e., only asynchronously).
+
You must have the \"hashcash\" binary installed, see `hashcash-path'."
:group 'message-headers
:link '(custom-manual "(message)Mail Headers")
- :type 'boolean)
+ :type '(choice (const :tag "Always" t)
+ (const :tag "Never" nil)
+ (const :tag "Opportunistic" 'opportunistic)))
;;; Internal variables.
(substring subject (match-end 0))
subject))
+(defcustom message-replacement-char "."
+ "Replacement character used instead of unprintable or not decodable chars."
+ :group 'message-various
+ :version "22.1" ;; Gnus 5.10.9
+ :type '(choice string
+ (const ".")
+ (const "?")))
+
+;; FIXME: We also should call `message-strip-subject-encoded-words'
+;; when forwarding. Probably in `message-make-forward-subject' and
+;; `message-forward-make-body'.
+
+(defun message-strip-subject-encoded-words (subject)
+ "Fix non-decodable words in SUBJECT."
+ ;; Cf. `gnus-simplify-subject-fully'.
+ (let* ((case-fold-search t)
+ (replacement-chars (format "[%s%s%s]"
+ message-replacement-char
+ message-replacement-char
+ message-replacement-char))
+ (enc-word-re "=\\?\\([^?]+\\)\\?\\([QB]\\)\\?\\([^?]+\\)\\(\\?=\\)")
+ cs-string
+ (have-marker
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ (when (re-search-forward enc-word-re nil t)
+ (setq cs-string (match-string 1)))))
+ cs-coding q-or-b word-beg word-end)
+ (if (or (not have-marker) ;; No encoded word found...
+ ;; ... or double encoding was correct:
+ (and (stringp cs-string)
+ (setq cs-string (downcase cs-string))
+ (mm-coding-system-p (intern cs-string))
+ (not (prog1
+ (y-or-n-p
+ (format "\
+Decoded Subject \"%s\"
+contains a valid encoded word. Decode again? "
+ subject))
+ (setq cs-coding (intern cs-string))))))
+ subject
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ (while (re-search-forward enc-word-re nil t)
+ (setq cs-string (downcase (match-string 1))
+ q-or-b (match-string 2)
+ word-beg (match-beginning 0)
+ word-end (match-end 0))
+ (setq cs-coding
+ (if (mm-coding-system-p (intern cs-string))
+ (setq cs-coding (intern cs-string))
+ nil))
+ ;; No double encoded subject? => bogus charset.
+ (unless cs-coding
+ (setq cs-coding
+ (mm-read-coding-system
+ (format "\
+Decoded Subject \"%s\"
+contains an encoded word. The charset `%s' is unknown or invalid.
+Hit RET to replace non-decodable characters with \"%s\" or enter replacement
+charset: "
+ subject cs-string message-replacement-char)))
+ (if cs-coding
+ (replace-match (concat "=?" (symbol-name cs-coding)
+ "?\\2?\\3\\4\\5"))
+ (save-excursion
+ (goto-char word-beg)
+ (re-search-forward "=\\?\\([^?]+\\)\\?\\([QB]\\)\\?" word-end t)
+ (replace-match "")
+ ;; QP or base64
+ (if (string-match "\\`Q\\'" q-or-b)
+ ;; QP
+ (progn
+ (message "Replacing non-decodable characters with \"%s\"."
+ message-replacement-char)
+ (while (re-search-forward "\\(=[A-F0-9][A-F0-9]\\)+"
+ word-end t)
+ (replace-match message-replacement-char)))
+ ;; base64
+ (message "Replacing non-decodable characters with \"%s\"."
+ replacement-chars)
+ (re-search-forward "[^?]+" word-end t)
+ (replace-match replacement-chars))
+ (re-search-forward "\\?=")
+ (replace-match "")))))
+ (rfc2047-decode-region (point-min) (point-max))
+ (buffer-string)))))
+
;;; Start of functions adopted from `message-utils.el'.
(defun message-strip-subject-trailing-was (subject)
date
;; We need Gnus functionality if the user wants date or time from
;; the original article:
- (when (string-match "%[^EFLn]" message-citation-line-format)
+ (when (string-match "%[^fnNFL]" message-citation-line-format)
(autoload 'gnus-date-get-time "gnus-util")
(gnus-date-get-time (mail-header-date message-reply-headers)))))
(flist
(setq fname name
lname ""))))
;; The following letters are not used in `format-time-string':
- (push ?E lst) (push net lst)
+ (push ?E lst) (push "<E>" lst)
(push ?F lst) (push fname lst)
;; We might want to use "" instead of "<X>" later.
(push ?J lst) (push "<J>" lst)
(push ?K lst) (push "<K>" lst)
(push ?L lst) (push lname lst)
- (push ?N lst) (push "<N>" lst)
+ (push ?N lst) (push name-or-net lst)
(push ?O lst) (push "<O>" lst)
(push ?P lst) (push "<P>" lst)
(push ?Q lst) (push "<Q>" lst)
(push ?f lst) (push from lst)
(push ?i lst) (push "<i>" lst)
- (push ?n lst) (push name-or-net lst)
+ (push ?n lst) (push net lst)
(push ?o lst) (push "<o>" lst)
(push ?q lst) (push "<q>" lst)
(push ?t lst) (push "<t>" lst)
(setq start next)))
(nreverse regions)))
-(defcustom message-replacement-char "."
- "Replacement character used instead of unprintable or not decodable chars."
- :group 'message-various
- :version "23.0" ;; No Gnus
- :type '(choice string
- (const ".")
- (const "?")))
-
(defun message-fix-before-sending ()
"Do various things to make the message nice before sending it."
;; Make sure there's a newline at the end of the message.
(gnus-setup-posting-charset nil)
message-posting-charset))
(headers message-required-mail-headers))
- (when message-generate-hashcash
+ (when (and message-generate-hashcash
+ (not (eq message-generate-hashcash 'opportunistic)))
(message "Generating hashcash...")
;; Wait for calculations already started to finish...
(hashcash-wait-async)
"/usr/ucblib/sendmail")
(t "fakemail"))
nil errbuf nil "-oi")
+ message-sendmail-extra-arguments
;; Always specify who from,
;; since some systems have broken sendmails.
;; But some systems are more broken with -f, so
(push (cons 'Cc recipients) follow-to)))
follow-to))
+(defcustom message-simplify-subject-functions
+ '(message-strip-list-identifiers
+ message-strip-subject-re
+ message-strip-subject-trailing-was
+ message-strip-subject-encoded-words)
+ "List of functions taking a string argument that simplify subjects.
+The functions are applied when replying to a message.
+
+Useful functions to put in this list include:
+`message-strip-list-identifiers', `message-strip-subject-re',
+`message-strip-subject-trailing-was', and
+`message-strip-subject-encoded-words'."
+ :version "22.1" ;; Gnus 5.10.9
+ :group 'message-various
+ :type '(repeat function))
+
(defun message-simplify-subject (subject &optional functions)
- "Retunr simplified SUBJECT."
+ "Return simplified SUBJECT."
(unless functions
;; Simplify fully:
- (setq functions '(message-strip-list-identifiers
- message-strip-subject-re
- message-strip-subject-trailing-was)))
+ (setq functions message-simplify-subject-functions))
(when (and (memq 'message-strip-list-identifiers functions)
gnus-list-identifiers)
(setq subject (message-strip-list-identifiers subject)))
(when (and (memq 'message-strip-subject-trailing-was functions)
message-subject-trailing-was-query)
(setq subject (message-strip-subject-trailing-was subject)))
+ (when (memq 'message-strip-subject-encoded-words functions)
+ (setq subject (message-strip-subject-encoded-words subject)))
subject)
;;;###autoload
(message-forward-make-body-digest-mime forward-buffer)
(message-forward-make-body-digest-plain forward-buffer)))
+(eval-and-compile
+ (autoload 'mm-uu-dissect-text-parts "mm-uu")
+ (autoload 'mm-uu-dissect "mm-uu"))
+
+(defun message-signed-or-encrypted-p (&optional dont-emulate-mime handles)
+ "Say whether the current buffer contains signed or encrypted message.
+If DONT-EMULATE-MIME is nil, this function does the MIME emulation on
+messages that don't conform to PGP/MIME described in RFC2015. HANDLES
+is for the internal use."
+ (unless handles
+ (if (setq handles (mm-dissect-buffer nil t))
+ (unless dont-emulate-mime
+ (mm-uu-dissect-text-parts handles))
+ (unless dont-emulate-mime
+ (setq handles (mm-uu-dissect)))))
+ ;; Check text/plain message in which there is a signed or encrypted
+ ;; body that has been encoded by B or Q.
+ (unless (or handles dont-emulate-mime)
+ (let ((cur (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring cur)
+ (when (setq handles (mm-dissect-buffer t t))
+ (if (and (prog1
+ (bufferp (car handles))
+ (mm-destroy-parts handles))
+ (equal (mm-handle-media-type handles) "text/plain"))
+ (progn
+ (mm-decode-content-transfer-encoding
+ (mm-handle-encoding handles))
+ (setq handles (mm-uu-dissect)))
+ (setq handles nil))))))
+ (when handles
+ (prog1
+ (catch 'found
+ (dolist (handle (if (stringp (car handles))
+ (if (member (car handles)
+ '("multipart/signed"
+ "multipart/encrypted"))
+ (throw 'found t)
+ (cdr handles))
+ (list handles)))
+ (if (stringp (car handle))
+ (when (message-signed-or-encrypted-p dont-emulate-mime handle)
+ (throw 'found t))
+ (when (and (bufferp (car handle))
+ (equal (mm-handle-media-type handle)
+ "message/rfc822"))
+ (with-current-buffer (mm-handle-buffer handle)
+ (when (message-signed-or-encrypted-p dont-emulate-mime)
+ (throw 'found t)))))))
+ (mm-destroy-parts handles))))
+
;;;###autoload
(defun message-forward-make-body (forward-buffer &optional digest)
;; Put point where we want it before inserting the forwarded
(if message-forward-as-mime
(if (and message-forward-show-mml
(not (and (eq message-forward-show-mml 'best)
+ ;; Use the raw form in the body if it contains
+ ;; signed or encrypted message so as not to be
+ ;; destroyed by re-encoding.
(with-current-buffer forward-buffer
- (goto-char (point-min))
- (re-search-forward
- "Content-Type: *multipart/\\(signed\\|encrypted\\)"
- nil t)))))
+ (condition-case nil
+ (message-signed-or-encrypted-p)
+ (error t))))))
(message-forward-make-body-mml forward-buffer)
(message-forward-make-body-mime forward-buffer))
(message-forward-make-body-plain forward-buffer)))