/usr/share/emacs/site-lisp/mew/mew-smtp.el is in mew-beta 7.0.50~6.4+0.20111019-2.
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Dec 3, 1999
;;; Code:
(require 'mew)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; SMTP info
;;;
(defvar mew-smtp-info-list
'(;; parameters to be saved
"raw-header" "recipients" "orig-recipients"
"bcc" "fcc" "msgid" "logtime"
"case" ;; save for re-edit
;; parameters used internally
"server" "port" "ssh-server"
"user" "auth-user" "auth-list"
"helo-domain"
"status" "process" "ssh-process" "ssl-process"
"qfld" "messages"
;; parameters used internally and should be initialized
"string" "error" "auth-selected" "timer" "cont" "from" "sender"
"done" "imapp" "capa" "fallback"))
(mew-info-defun "mew-smtp-" mew-smtp-info-list)
(defvar mew-smtp-info-list-save-length 8)
(defvar mew-smtp-info-list-clean-length 21)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; FSM
;;;
(defvar mew-smtp-fsm
'(("greeting" ("220" . "ehlo"))
("ehlo" ("250" . "post-ehlo") (t . "helo"))
;;
("auth" ("250" . "next"))
("auth-cram-md5" ("334" . "pwd-cram-md5") (t . "wpwd"))
("pwd-cram-md5" ("235" . "next") (t . "wpwd"))
("auth-login" ("334" . "user-login") (t . "wpwd"))
("user-login" ("334" . "pwd-login") (t . "wpwd"))
("pwd-login" ("235" . "next") (t . "wpwd"))
("auth-plain" ("235" . "next") (t . "wpwd"))
;; See blow
;; ("auth-plain" ("334" . "pwd-plain") (t . "wpwd"))
;; ("pwd-plain" ("235" . "next") (t . "wpwd"))
;;
("helo" ("250" . "next"))
("mail-from" ("250" . "rcpt-to"))
("rcpt-to" ("250" . "data"))
("data" ("354" . "content"))
("content" ("250" . "done"))
("quit" (t . "noop"))))
(defun mew-smtp-fsm-by-status (status)
(assoc status mew-smtp-fsm))
(defun mew-smtp-fsm-next (status code)
(cdr (mew-assoc-match2 code (cdr (mew-smtp-fsm-by-status status)) 0)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Filters
;;;
(defun mew-smtp-command-helo (pro pnm)
(let ((helo-domain (mew-smtp-get-helo-domain pnm)))
(mew-smtp-process-send-string pro "HELO %s" helo-domain)))
(defun mew-smtp-command-ehlo (pro pnm)
(let ((helo-domain (mew-smtp-get-helo-domain pnm)))
(mew-smtp-process-send-string pro "EHLO %s" helo-domain)))
(defun mew-smtp-command-post-ehlo (pro pnm)
(let ((str (mew-smtp-get-string pnm)) (start 0) capa)
(catch 'loop
(while (string-match "^250\\([- ]?\\)\\(.*\\)$" str start)
(setq capa (cons (mew-split (match-string 2 str) 32) capa))
(if (string= (match-string 1 str) " ")
(throw 'loop nil))
(setq start (match-end 0))))
(mew-smtp-set-capa pnm (nreverse capa))
(mew-smtp-set-status pnm "auth")
(mew-smtp-command-auth pro pnm)))
(defun mew-smtp-command-auth (pro pnm)
(let* ((case (mew-smtp-get-case pnm))
(use-smtp-auth (mew-use-smtp-auth case))
(capa (mew-smtp-get-capa pnm))
(auths (assoc "AUTH" capa))
(auth-list (mew-smtp-get-auth-list pnm))
auth func)
(cond
((and use-smtp-auth auths)
(if (and (setq auth (mew-auth-select2 auths auth-list))
(setq func (mew-smtp-auth-get-func auth))
(fboundp func))
(progn
(mew-smtp-set-auth-selected pnm auth)
(funcall func pro pnm))
(mew-smtp-debug "<AUTH>" "No preferred SMTP AUTH.\n")
(mew-smtp-command-wpwd pro pnm)))
(t
(mew-smtp-set-status pnm "next")
(mew-smtp-command-next pro pnm)))))
(defun mew-smtp-command-wpwd (pro pnm)
(let ((auth (mew-smtp-get-auth-selected pnm)))
(mew-passwd-set-passwd (mew-smtp-passtag pnm) nil)
(if auth
(mew-smtp-set-error pnm (format "SMTP %s password is wrong!" auth))
(mew-smtp-set-error pnm "No SMTP AUTH available!"))
(mew-smtp-command-quit2 pro pnm)))
(defun mew-smtp-command-next (pro pnm)
(let ((msgs (mew-smtp-get-messages pnm))
(qfld (mew-smtp-get-qfld pnm))
(case (mew-smtp-get-case pnm))
msg)
(if msgs
(progn
(setq msg (car msgs))
(setq msgs (cdr msgs))
(mew-queue-insert-file pnm mew-smtp-info-list-save-length qfld msg)
(mew-set-buffer-multibyte nil)
(mew-info-clean-up pnm mew-smtp-info-list-clean-length)
(mew-smtp-set-case pnm case) ;; override
(mew-smtp-set-messages pnm msgs)
(set-process-buffer pro (current-buffer))
(mew-smtp-set-status pnm "mail-from")
(mew-smtp-command-mail-from pro pnm))
(mew-smtp-set-status pnm "quit")
(mew-smtp-command-quit pro pnm))))
(defun mew-smtp-command-mail-from (pro pnm)
(widen)
(clear-visited-file-modtime)
;;
(let* ((case (mew-smtp-get-case pnm))
(resentp (mew-header-existp mew-resent-from:))
(sender: (if resentp mew-resent-sender: mew-sender:))
(from: (if resentp mew-resent-from: mew-from:))
(from (mew-header-get-value from:))
(froms (mew-addrstr-parse-address-list from))
(nfrom (length froms))
(mail-from (mew-smtp-mail-from case)))
(mew-smtp-set-from pnm from) ;; for Bcc:
(unless mail-from
;; Which address is suitable for MAIL FROM if multiple?
(setq mail-from (car froms)))
(unless (mew-header-existp sender:)
(if (= nfrom 1)
(if (and mew-use-sender (not (string= mail-from (car froms))))
(mew-smtp-set-sender pnm (cons sender: mail-from)))
(mew-smtp-set-sender pnm (cons sender: mail-from))))
;;
(mew-smtp-process-send-string pro "MAIL FROM:<%s>" mail-from)))
(defun mew-smtp-command-rcpt-to (pro pnm)
(let* ((recipients (mew-smtp-get-recipients pnm))
(recipient (car recipients)))
(setq recipients (cdr recipients))
(mew-smtp-set-recipients pnm recipients)
(if recipients (mew-smtp-set-status pnm "mail-from"))
(mew-smtp-process-send-string pro "RCPT TO:<%s>" recipient)))
(defun mew-smtp-command-data (pro pnm)
(goto-char (point-max))
(unless (bolp) (insert "\n"))
(mew-dot-insert)
(mew-eol-fix-for-write)
(set-buffer-modified-p nil)
(mew-smtp-set-cont pnm (point-min))
(mew-smtp-set-timer pnm nil)
(mew-smtp-process-send-string pro "DATA"))
(defun mew-smtp-command-content (pro pnm)
(save-excursion
(let ((cont (mew-smtp-get-cont pnm))
(sender (mew-smtp-get-sender pnm))
(inc 1000) (i 0) (N 10))
(set-buffer (process-buffer pro))
;; Sender:
(when sender
(mew-smtp-process-send-string pro "%s %s" (car sender) (cdr sender))
(mew-smtp-set-sender pnm nil))
;;
(while (and (< cont (point-max)) (not (input-pending-p)) (< i N))
(let ((next (min (point-max) (+ cont inc))))
(if (and (processp pro) (eq (process-status pro) 'open))
(process-send-region pro cont next))
(setq cont next)
(setq i (1+ i))))
(mew-smtp-set-cont pnm cont)
(if (< cont (point-max))
(let ((timer
(if (input-pending-p)
(run-with-idle-timer
0.01 nil 'mew-smtp-command-content pro pnm)
(run-at-time 0.05 nil 'mew-smtp-command-content pro pnm))))
(mew-smtp-set-timer pnm timer))
(mew-smtp-set-cont pnm nil)
(mew-smtp-set-timer pnm nil)
(mew-smtp-process-send-string pro ".")))))
(defun mew-smtp-command-done (pro pnm)
(let ((fcc (mew-smtp-get-fcc pnm))
(case (mew-smtp-get-case pnm))
(back (mew-queue-backup (buffer-file-name) mew-queue-info-suffix))
imapp)
;; mew-folder-new-message may be slow if the folder contains
;; a lot of messages. So, let's Fcc in background.
(setq imapp (mew-net-fcc-message case fcc back))
(mew-smtp-set-imapp pnm imapp)
(mew-smtp-log pnm)
(if (mew-smtp-get-bcc pnm)
(mew-smtp-bcc pro pnm back)
(mew-smtp-set-status pro "next")
(mew-smtp-command-next pro pnm))))
(defun mew-smtp-command-quit (pro pnm)
(mew-smtp-set-done pnm t)
(mew-smtp-process-send-string pro "QUIT"))
(defun mew-smtp-command-quit2 (pro pnm)
;; error is set
(mew-smtp-set-done pnm t)
(when (and (processp pro) (eq (process-status pro) 'open))
(mew-smtp-set-status pnm "quit")
(mew-smtp-process-send-string pro "QUIT")))
(defun mew-smtp-command-noop (pro pnm)
())
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; SMTP AUTH (RFC 2554)
;;;
(defvar mew-smtp-auth-alist
'(("CRAM-MD5" mew-smtp-command-auth-cram-md5) ;; RFC 2195
("PLAIN" mew-smtp-command-auth-plain) ;; RFC 2595
("LOGIN" mew-smtp-command-auth-login))) ;; No spec
(defun mew-smtp-auth-get-func (auth)
(nth 1 (mew-assoc-case-equal auth mew-smtp-auth-alist 0)))
;; CRAM MD5
(defun mew-smtp-command-auth-cram-md5 (pro pnm)
(mew-smtp-process-send-string pro "AUTH CRAM-MD5")
(mew-smtp-set-status pnm "auth-cram-md5"))
(defun mew-smtp-command-pwd-cram-md5 (pro pnm)
(let* ((str (mew-smtp-get-string pnm))
(user (mew-smtp-get-auth-user pnm))
(prompt (format "SMTP CRAM-MD5 password (%s): " user))
challenge passwd cram-md5)
(if (string-match " \\([a-zA-Z0-9+/]+=*\\)" str) ;; xxx
(setq challenge (match-string 1 str)))
(setq passwd (mew-smtp-input-passwd prompt pnm))
(setq cram-md5 (mew-cram-md5 user passwd challenge))
(mew-smtp-process-send-string pro cram-md5)))
;; LOGIN
(defun mew-smtp-command-auth-login (pro pnm)
(mew-smtp-process-send-string pro "AUTH LOGIN")
(mew-smtp-set-status pnm "auth-login"))
(defun mew-smtp-command-user-login (pro pnm)
(let* ((user (mew-smtp-get-auth-user pnm))
(euser (mew-base64-encode-string user)))
(mew-smtp-process-send-string pro "%s" euser)))
(defun mew-smtp-command-pwd-login (pro pnm)
(let* ((user (mew-smtp-get-auth-user pnm))
(prompt (format "SMTP LOGIN password (%s): " user))
(passwd (mew-smtp-input-passwd prompt pnm))
(epasswd (mew-base64-encode-string passwd)))
(mew-smtp-process-send-string pro epasswd)))
;; There are two variations for SMTP AUTH PLAIN.
;; 1) AUTH PLAIN then id+password
;; 2) AUTH PLAIN id+password
;;
;; 1) is popular however a server of an ISP supports 2) only, sigh.
(defun mew-smtp-command-auth-plain (pro pnm)
(let* ((case (mew-smtp-get-case pnm))
(user (mew-smtp-get-auth-user pnm))
(authorize-id (mew-smtp-auth-plain-authorize-id case))
(prompt (format "SMTP PLAIN password (%s): " user))
(passwd (mew-smtp-input-passwd prompt pnm))
(plain (mew-base64-encode-string
(if authorize-id
(format "%s\0%s\0%s" user user passwd)
(format "\0%s\0%s" user passwd)))))
(mew-smtp-process-send-string pro "AUTH PLAIN %s" plain)
(mew-smtp-set-status pnm "auth-plain")))
;; (defun mew-smtp-command-auth-plain (pro pnm)
;; (mew-smtp-process-send-string pro "AUTH PLAIN")
;; (mew-smtp-set-status pnm "auth-plain"))
;; (defun mew-smtp-command-pwd-plain (pro pnm)
;; (let* ((case (mew-smtp-get-case pnm))
;; (user (mew-smtp-get-auth-user pnm))
;; (authorize-id (mew-smtp-auth-plain-authorize-id case))
;; (prompt (format "SMTP PLAIN password (%s): " user))
;; (passwd (mew-smtp-input-passwd prompt pnm))
;; (plain (mew-base64-encode-string
;; (if authorize-id
;; (format "%s\0%s\0%s" user user passwd)
;; (format "\0%s\0%s" user passwd)))))
;; (mew-smtp-process-send-string pro "%s" plain)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Sub functions
;;;
(defconst mew-smtp-info-prefix "mew-smtp-info-")
(defun mew-smtp-info-name (case &optional fallbacked)
(let ((server (mew-smtp-server case))
(port (mew-*-to-string (mew-smtp-port case)))
(user (mew-smtp-user-only case))
(sshsrv (mew-smtp-ssh-server case))
(name mew-smtp-info-prefix))
(if user
(setq name (concat name user "@" server))
(setq name (concat name server)))
(when (and (not fallbacked)
mew-use-submission ;; xxx to be deleted
(fboundp 'make-network-process)
(string= port "smtp"))
(setq port "submission"))
(unless (mew-port-equal port mew-smtp-port)
(setq name (concat name ":" port)))
(if sshsrv
(concat name "%" sshsrv)
name)))
(defun mew-smtp-process-send-string (pro &rest args)
(let ((str (apply 'format args)))
(mew-smtp-debug "=SEND=" str)
(if (and (processp pro) (eq (process-status pro) 'open))
(process-send-string pro (concat str mew-cs-eol))
(message "SMTP time out"))))
(defun mew-smtp-passtag (pnm)
(concat (mew-smtp-get-user pnm)
"@" (mew-smtp-get-server pnm)
":" (mew-smtp-get-port pnm)))
(defun mew-smtp-input-passwd (prompt pnm)
(let ((tag (mew-smtp-passtag pnm))
(pro (mew-smtp-get-process pnm))
pass)
(setq pass (mew-input-passwd prompt tag))
(unless (and (processp pro) (eq (process-status pro) 'open))
(mew-passwd-set-passwd tag nil))
pass))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Opening SMTP
;;;
(defvar mew-use-submission nil)
(defvar mew-smtp-submission-timeout 10)
(defun mew-smtp-submission-timeout (pro)
(when (and (processp pro) (eq (process-status pro) 'connect))
(mew-smtp-sentinel pro "time out - failed\n")))
(defvar mew-smtp-submission-family 'ipv4)
(if (fboundp 'make-network-process)
(defun mew-open-network-stream (name buf server port)
(let (family nowait pro)
(when mew-inherit-submission
(setq family mew-smtp-submission-family)
(setq nowait t))
(setq pro (make-network-process :name name :buffer buf
:host server :service port
:family family :nowait nowait))
(if nowait
(run-at-time mew-smtp-submission-timeout nil 'mew-smtp-submission-timeout pro))
pro))
(defalias 'mew-open-network-stream 'open-network-stream))
(defun mew-smtp-open (pnm server port)
(let ((sprt (mew-*-to-port port))
pro tm)
;; xxx some OSes do not define "submission", sigh.
(when (and (stringp sprt) (string= sprt "submission"))
(setq sprt (mew-serv-to-port sprt)))
(condition-case emsg
(progn
(setq tm (run-at-time mew-smtp-timeout-time nil 'mew-smtp-timeout))
(message "Connecting to the SMTP server...")
(setq pro (mew-open-network-stream pnm nil server sprt))
(mew-process-silent-exit pro)
(mew-set-process-cs pro mew-cs-text-for-net mew-cs-text-for-net)
(message "Connecting to the SMTP server...done"))
(quit
(setq pro nil)
(message "Cannot connect to the SMTP server"))
(error
(setq pro nil)
(message "%s, %s" (nth 1 emsg) (nth 2 emsg))))
(if tm (cancel-timer tm))
pro))
(defun mew-smtp-timeout ()
(signal 'quit nil))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Launcher
;;;
(defun mew-smtp-send-message (case qfld msgs &optional fallbacked)
(let ((server (mew-smtp-server case))
(user (mew-smtp-user-only case))
(port (mew-*-to-string (mew-smtp-port case)))
(pnm (mew-smtp-info-name case fallbacked))
(sshsrv (mew-smtp-ssh-server case))
(sslp (mew-smtp-ssl case))
(sslport (mew-smtp-ssl-port case))
mew-inherit-submission
process sshname sshpro sslname sslpro lport tlsp tls fallback)
(when (and sslp (mew-port-equal port sslport))
(setq tlsp t)
;; let stunnel know that a wrapper protocol is SMTP
(setq tls mew-tls-smtp))
;; a fallback: "submission" -> "smtp"
;; mew-smtp-port is "smtp" and mew-use-submission is t on Emacs 22
(when (and (or (not sslp) tlsp)
(not fallbacked)
mew-use-submission
(fboundp 'make-network-process) ;; Emacs 22 or later
(mew-port-equal port "smtp"))
(setq port "submission")
(setq fallback t)
(unless tlsp
;; TLS uses stunnel. So, we should not use non-blocking connect.
;; Timeout should be carried out by stunnel.
(setq mew-inherit-submission t))
(if (mew-port-equal sslport "smtp") (setq sslport "submission")))
(cond
(sshsrv
(setq sshpro (mew-open-ssh-stream case server port sshsrv))
(when sshpro
(setq sshname (process-name sshpro))
(setq lport (mew-ssh-pnm-to-lport sshname))
(when lport
(setq process (mew-smtp-open pnm "localhost" lport)))))
(sslp
(setq sslpro (mew-open-ssl-stream case server sslport tls))
(when sslpro
(setq sslname (process-name sslpro))
(setq lport (mew-ssl-pnm-to-lport sslname))
(when lport
(setq process (mew-smtp-open pnm mew-ssl-localhost lport)))))
(t
(setq process (mew-smtp-open pnm server port))))
(if (null process)
(cond
((and sshsrv (null sshpro))
(message "Cannot create to the SSH connection"))
((and sslp (null sslpro))
(message "Cannot create to the SSL/TLS connection"))
(t
(if (and (or (not sslp) tlsp)
(not fallbacked)
mew-use-submission
(fboundp 'make-network-process)
(mew-port-equal port "submission"))
(progn
;; make-network-process with :nowait t sometime
;; returns nil, why?
(mew-smtp-send-message case qfld msgs t)
(mew-info-clean-up pnm))
(message "Cannot connect to the SMTP server"))))
(mew-info-clean-up pnm mew-smtp-info-list-clean-length)
(mew-smtp-set-case pnm case)
(mew-smtp-set-qfld pnm qfld)
(mew-smtp-set-messages pnm msgs)
(mew-smtp-set-server pnm server)
(mew-smtp-set-port pnm port)
(mew-smtp-set-process pnm process)
(mew-smtp-set-ssh-server pnm sshsrv)
(mew-smtp-set-ssh-process pnm sshpro)
(mew-smtp-set-ssl-process pnm sslpro)
(mew-smtp-set-helo-domain pnm (mew-smtp-helo-domain case))
(mew-smtp-set-user pnm user)
(mew-smtp-set-auth-user pnm (mew-smtp-user case))
(mew-smtp-set-auth-list pnm (mew-smtp-auth-list case))
(mew-smtp-set-status pnm "greeting")
(mew-smtp-set-fallback pnm fallback)
;;
(set-process-buffer process nil)
(set-process-sentinel process 'mew-smtp-sentinel)
(set-process-filter process 'mew-smtp-filter)
(message "Sending in background..."))))
(defun mew-smtp-flush-queue (case &optional qfld)
(let (msgs)
(unless qfld (setq qfld (mew-queue-folder case)))
(if (mew-smtp-get-server (mew-smtp-info-name case)) ;; lock
(message "%s is locked" qfld)
(setq msgs (mew-folder-messages qfld))
(when msgs
(mew-summary-folder-cache-clean qfld)
(run-hooks 'mew-smtp-flush-hook)
(message "Flushing %s..." qfld)
(mew-smtp-send-message case qfld msgs)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Filter and sentinel
;;;
(defun mew-smtp-debug (label string)
(when (mew-debug 'net)
(with-current-buffer (get-buffer-create mew-buffer-debug)
(goto-char (point-max))
(insert (format "\n<%s>\n%s\n" label string)))))
(defun mew-smtp-filter (process string)
(let* ((pnm (process-name process))
(status (mew-smtp-get-status pnm))
(str (concat (mew-smtp-get-string pnm) string))
(buf (process-buffer process))
next func code)
(save-excursion
(mew-smtp-debug (upcase status) string)
(if (and buf (get-buffer buf)) (set-buffer buf))
;; SMTP server's strings should be short enough.
(mew-smtp-set-string pnm str)
(cond
((and (string-match "\n$" str)
(string-match "^\\([1-5][0-7][0-9]\\) " str))
(setq code (match-string 1 str))
(setq next (mew-smtp-fsm-next status code))
(cond
(next
(mew-smtp-set-status pnm next)
(setq func (intern-soft (concat "mew-smtp-command-" next)))
(and func (funcall func process pnm))
(mew-smtp-set-string pnm nil))
(t
(if (string-match "^pwd-" status)
(mew-smtp-set-error pnm "SMTP password is wrong!")
(if (string-match "\n$" str)
(setq str (substring str 0 -1)))
(unless (string-match "[.!]$" str)
(setq str (concat str "."))))
(mew-smtp-set-error pnm str)
(mew-smtp-command-quit2 process pnm))))
(t ()))))) ;; stay
(defun mew-smtp-sentinel (process event)
(let* ((pnm (process-name process))
(pro (mew-smtp-get-process pnm))
(case (mew-smtp-get-case pnm))
(qfld (mew-smtp-get-qfld pnm))
(msgs (mew-smtp-get-messages pnm))
(fallback (mew-smtp-get-fallback pnm))
(status (mew-smtp-get-status pnm)))
(save-excursion
(mew-smtp-debug "SMTP SENTINEL" event)
(cond
((or (string-match "failed" event)
(and (string= status "greeting")
(string-match "connection broken by remote peer" event)))
(if fallback
(progn
(mew-smtp-send-message case qfld msgs fallback)
;; A failed process stays
(when (memq (process-status pro) '(failed connect))
(delete-process pro)
(mew-info-clean-up pnm)))
(mew-smtp-set-error pnm (substring event 0 -1))
(mew-smtp-sentinel2 process event)))
((string-match "open" event)
;; OK connected
)
(t
(mew-smtp-sentinel2 process event))))))
(defun mew-smtp-sentinel2 (process event)
(let* ((pnm (process-name process))
(buf (process-buffer process))
(qfld (mew-smtp-get-qfld pnm))
(case (mew-smtp-get-case pnm))
(done (mew-smtp-get-done pnm))
(imapp (mew-smtp-get-imapp pnm))
(error (mew-smtp-get-error pnm))
(sshpro (mew-smtp-get-ssh-process pnm))
(sslpro (mew-smtp-get-ssl-process pnm)))
(save-excursion
(cond
(error
(when buf
;; A message file is not inserted at the beginning of the SMTP
;; session.
(set-buffer buf)
(mew-smtp-queue case error pnm))
(mew-smtp-log pnm error)
(message-box (format "%s This mail has been queued to %s" error qfld)))
(done
(message "Sending in background...done"))
(t
(if (null buf)
(message "SMTP connection is lost")
(set-buffer buf)
(mew-smtp-queue case "SMTP connection is lost" pnm))))
(mew-info-clean-up pnm)
(if (and (processp sshpro) (not mew-ssh-keep-connection))
(process-send-string sshpro "exit\n"))
(if (and (processp sslpro) (not mew-ssl-keep-connection))
(delete-process sslpro))
(run-hooks 'mew-smtp-sentinel-hook)
(if (and done imapp) (mew-imap2-fcc case))
(when buf (mew-remove-buffer buf)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Queuing
;;;
(defun mew-smtp-queue (case err &optional apnm)
;; Must be in a buffer where a message is contained.
(let* ((pnm (or apnm (mew-smtp-info-name case)))
(qfld (mew-queue-folder case))
(oname (buffer-name))
(work (buffer-file-name))
file-info file info nname)
(mew-local-folder-check qfld)
(setq file-info (mew-queue-enqueue work qfld))
(mew-set '(file info) file-info)
(setq file (file-name-nondirectory file))
(setq nname (mew-concat-folder qfld file))
(if (mew-draft-p)
(mew-smtp-set-case pnm (mew-tinfo-get-case)))
;;
(mew-smtp-set-recipients pnm (mew-smtp-get-orig-recipients pnm))
(let* ((n mew-smtp-info-list-save-length)
(data (make-vector n nil)))
(dotimes (i n)
(aset data i (aref (mew-info pnm) i)))
(mew-lisp-save info data))
;;
(message "%s has been queued to %s (%s)" oname nname err)
(mew-touch-folder qfld)
(file-name-sans-extension file)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Bcc:
;;;
(defun mew-smtp-bcc (pro pnm back)
(let* ((dir (file-name-directory back))
(msg (file-name-nondirectory back))
(case (mew-smtp-get-case pnm))
msgid logtime)
(mew-elet
(mew-erase-buffer)
(mew-set-buffer-multibyte t)
(mew-smtp-set-recipients pnm (mew-smtp-get-bcc pnm))
(mew-smtp-set-orig-recipients pnm (mew-smtp-get-bcc pnm))
(mew-smtp-set-bcc pnm nil)
;;
(mew-set '(msgid logtime) (mew-encode-id-date pnm (mew-smtp-message-id case))) ;; save-excursion
(mew-smtp-set-msgid pnm msgid)
(mew-smtp-set-logtime pnm logtime)
(goto-char (point-max))
(mew-draft-header-insert mew-to: "Bcc-Receiver:;")
(mew-draft-header-insert mew-subj: mew-bcc-subject)
(mew-draft-header-insert mew-from: (mew-smtp-get-from pnm))
(mew-draft-header-insert mew-organization: (mew-organization case))
(mew-draft-header-insert-alist (mew-header-alist case))
;; X-Mailer: must be the last
(if (mew-use-x-mailer case)
(mew-draft-header-insert mew-x-mailer: mew-x-mailer))
(mew-header-set "\n")
(insert mew-bcc-body)
(goto-char (mew-header-end))
(forward-line)
(setq mew-encode-syntax (mew-encode-syntax-initial dir))
(setq mew-encode-syntax
(mew-syntax-insert-entry
mew-encode-syntax
'(2)
(mew-encode-syntax-single msg mew-type-msg nil nil nil)))
(mew-encode-multipart mew-encode-syntax dir 0 'buffered)
(mew-encode-make-header)
(mew-encode-save-draft)
(mew-overlay-delete-buffer)
(mew-set-buffer-multibyte nil)
(mew-info-clean-up pnm mew-smtp-info-list-clean-length)
(set-process-buffer pro (current-buffer))
(mew-smtp-set-status pnm "mail-from")
(mew-smtp-command-mail-from pro pnm))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Logging
;;;
(defun mew-smtp-log (pnm &optional err)
(let ((logtime (mew-smtp-get-logtime pnm))
(msgid (mew-smtp-get-msgid pnm))
(recipients (mew-smtp-get-orig-recipients pnm))
(server (mew-smtp-get-server pnm))
(port (mew-smtp-get-port pnm))
(sshsrv (mew-smtp-get-ssh-server pnm))
(sslp (mew-smtp-get-ssl-process pnm)))
(with-temp-buffer
(and logtime (insert logtime))
(and msgid (insert " id=" msgid))
(and server (insert " server=" server ":" port))
(and sshsrv (insert " sshsrv=" sshsrv))
(and sslp (insert " SSL/TLS"))
(and recipients
(setq recipients (mapconcat 'identity recipients ",")))
(and recipients (insert " recipients=" recipients))
(if err
(insert " status=" "("
(substring err 0 (string-match "\n+$" err))
")")
(insert " status=sent"))
(insert "\n")
(write-region (point-min) (point-max)
(expand-file-name mew-smtp-log-file mew-conf-path)
'append 'no-msg))))
(provide 'mew-smtp)
;;; Copyright Notice:
;; Copyright (C) 1999-2011 Mew developing team.
;; All rights reserved.
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of the team nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE TEAM AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE
;; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
;; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
;; BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
;; OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
;; IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;; mew-smtp.el ends here
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