Commit 24975917 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

Initial revision

parent 7d58ed99
;; Simple SMTP protocol (RFC 821) for sending mail
;; Copyright (C) 1995 Free Software Foundation, Inc.
;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp>
;; Keywords: mail
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Send Mail to smtp host from smtpmail temp buffer.
;; alfa release
;; Please add these lines in your .emacs(_emacs).
;;
;;(setq send-mail-function 'smtpmail-send-it)
;;(setq smtpmail-default-smtp-server "YOUR SMTP HOST")
;;(setq smtpmail-smtp-service "smtp")
;;(setq smtpmail-local-domain "YOUR DOMAIN NAME")
;;(setq smtpmail-debug-info t)
;;(load-library "smtpmail")
;;(setq smtpmail-code-conv-from nil)
;;; Code:
(require 'sendmail)
;;;
(defvar smtpmail-default-smtp-server nil
"*Specify default SMTP server.")
(defvar smtpmail-smtp-server (or (getenv "SMTPSERVER")
smtpmail-default-smtp-server)
"*The name of the host running SMTP server.")
(defvar smtpmail-smtp-service "smtp"
"*SMTP service port number. smtp or 25 .")
(defvar smtpmail-local-domain nil
"*Local domain name without a host name.
If the function (system-name) returns the full internet address,
don't define this value.")
(defvar smtpmail-debug-info nil
"*smtpmail debug info printout. messages and process buffer.")
(defvar smtpmail-code-conv-from nil ;; *junet*
"*smtpmail code convert from this code to *internal*..for tiny-mime..")
;;;
;;;
;;;
(defun smtpmail-send-it ()
(let ((errbuf (if mail-interactive
(generate-new-buffer " smtpmail errors")
0))
(tembuf (generate-new-buffer " smtpmail temp"))
(case-fold-search nil)
resend-to-addresses
delimline
(mailbuf (current-buffer)))
(unwind-protect
(save-excursion
(set-buffer tembuf)
(erase-buffer)
(insert-buffer-substring mailbuf)
(goto-char (point-max))
;; require one newline at the end.
(or (= (preceding-char) ?\n)
(insert ?\n))
;; Change header-delimiter to be what sendmail expects.
(goto-char (point-min))
(re-search-forward
(concat "^" (regexp-quote mail-header-separator) "\n"))
(replace-match "\n")
(backward-char 1)
(setq delimline (point-marker))
(if mail-aliases
(expand-mail-aliases (point-min) delimline))
(goto-char (point-min))
;; ignore any blank lines in the header
(while (and (re-search-forward "\n\n\n*" delimline t)
(< (point) delimline))
(replace-match "\n"))
(let ((case-fold-search t))
(goto-char (point-min))
;; Find and handle any FCC fields.
(goto-char (point-min))
(if (re-search-forward "^FCC:" delimline t)
(mail-do-fcc delimline))
(goto-char (point-min))
(require 'mail-utils)
(while (re-search-forward "^Resent-to:" delimline t)
(setq resend-to-addresses
(save-restriction
(narrow-to-region (point)
(save-excursion
(end-of-line)
(point)))
(append (mail-parse-comma-list)
resend-to-addresses))))
;;; Apparently this causes a duplicate Sender.
;;; ;; If the From is different than current user, insert Sender.
;;; (goto-char (point-min))
;;; (and (re-search-forward "^From:" delimline t)
;;; (progn
;;; (require 'mail-utils)
;;; (not (string-equal
;;; (mail-strip-quoted-names
;;; (save-restriction
;;; (narrow-to-region (point-min) delimline)
;;; (mail-fetch-field "From")))
;;; (user-login-name))))
;;; (progn
;;; (forward-line 1)
;;; (insert "Sender: " (user-login-name) "\n")))
;; "S:" is an abbreviation for "Subject:".
(goto-char (point-min))
(if (re-search-forward "^S:" delimline t)
(replace-match "Subject:"))
;; Don't send out a blank subject line
(goto-char (point-min))
(if (re-search-forward "^Subject:[ \t]*\n" delimline t)
(replace-match ""))
;; Insert an extra newline if we need it to work around
;; Sun's bug that swallows newlines.
(goto-char (1+ delimline))
(if (eval mail-mailer-swallows-blank-line)
(newline))
(if mail-interactive
(save-excursion
(set-buffer errbuf)
(erase-buffer))))
;;
;;
;;
(setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*"))
(setq smtpmail-recipient-address-list
(smtpmail-deduce-address-list tembuf (point-min) delimline))
(kill-buffer smtpmail-address-buffer)
(smtpmail-do-bcc delimline)
(if (not (null smtpmail-recipient-address-list))
(if (not (smtpmail-via-smtp smtpmail-recipient-address-list tembuf))
(error "Sending... Failed. SMTP Protocol Error."))
(error "Sending... failed. No recipients."))
)
(kill-buffer tembuf)
(if (bufferp errbuf)
(kill-buffer errbuf)))))
;(defun smtpmail-via-smtp (host,port,sender,destination,smtpmail-text-buffer)
(defun smtpmail-fqdn ()
(if smtpmail-local-domain
(concat (system-name) "." smtpmail-local-domain)
(system-name)))
(defun smtpmail-via-smtp (recipient smtpmail-text-buffer)
(let ((process nil)
host
port
response-code
)
(setq host smtpmail-smtp-server)
(setq port smtpmail-smtp-service)
(unwind-protect
(catch 'done
;; get or create the trace buffer
(setq process-buffer
(get-buffer-create (format "*trace of SMTP session to %s*" host)))
;; clear the trace buffer of old output
(save-excursion
(set-buffer process-buffer)
(erase-buffer))
;; open the connection to the server
(setq process (open-network-stream "SMTP" process-buffer host port))
(and (null process) (throw 'done nil))
;; set the send-filter
(set-process-filter process 'smtpmail-process-filter)
(save-excursion
(set-buffer process-buffer)
(make-local-variable 'smtpmail-read-point)
(setq smtpmail-read-point (point-min))
(if (or (null (car (setq greeting (smtpmail-read-response process))))
(not (integerp (car greeting)))
(>= (car greeting) 400))
(throw 'done nil)
)
;; HELO
(smtpmail-send-command process (format "HELO %s" (smtpmail-fqdn)))
(if (or (null (car (setq response-code (smtpmail-read-response process))))
(not (integerp (car response-code)))
(>= (car response-code) 400))
(throw 'done nil)
)
;; MAIL FROM: <sender>
; (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn)))
(smtpmail-send-command process (format "MAIL FROM:%s" user-mail-address))
(if (or (null (car (setq response-code (smtpmail-read-response process))))
(not (integerp (car response-code)))
(>= (car response-code) 400))
(throw 'done nil)
)
;; RCPT TO: <recipient>
(setq n 0)
(while (not (null (nth n recipient)))
(smtpmail-send-command process (format "RCPT TO: %s" (nth n recipient)))
(setq n (1+ n))
(if (or (null (car (setq response-code (smtpmail-read-response process))))
(not (integerp (car response-code)))
(>= (car response-code) 400))
(throw 'done nil)
)
)
;; DATA
(smtpmail-send-command process "DATA")
(if (or (null (car (setq response-code (smtpmail-read-response process))))
(not (integerp (car response-code)))
(>= (car response-code) 400))
(throw 'done nil)
)
;; Mail contents
(smtpmail-send-data process smtpmail-text-buffer)
;;DATA end "."
(smtpmail-send-command process ".")
(if (or (null (car (setq response-code (smtpmail-read-response process))))
(not (integerp (car response-code)))
(>= (car response-code) 400))
(throw 'done nil)
)
;;QUIT
; (smtpmail-send-command process "QUIT")
; (and (null (car (smtpmail-read-response process)))
; (throw 'done nil))
t ))
(if process
(save-excursion
(set-buffer (process-buffer process))
(smtpmail-send-command process "QUIT")
(smtpmail-read-response process)
; (if (or (null (car (setq response-code (smtpmail-read-response process))))
; (not (integerp (car response-code)))
; (>= (car response-code) 400))
; (throw 'done nil)
; )
(delete-process process))))))
;; check completely by T.Kagatani
(defun smtpmail-process-filter (process output)
(save-excursion
(set-buffer (process-buffer process))
(goto-char (point-max))
(insert output)))
;; check completely by T.Kagatani
(defun smtpmail-read-response (process)
(let ((case-fold-search nil)
(response-string nil)
(response-continue t)
(return-value '(nil ""))
match-end)
; (setq response-string nil)
; (setq response-continue t)
; (setq return-value '(nil ""))
(goto-char smtpmail-read-point)
(while response-continue
(while (not (search-forward "\r\n" nil t))
(accept-process-output process)
(goto-char smtpmail-read-point))
(setq match-end (point))
(if (null response-string)
(setq response-string
(buffer-substring smtpmail-read-point (- match-end 2))))
(goto-char smtpmail-read-point)
(if (looking-at "[0-9]+ ")
(progn (setq response-continue nil)
; (setq return-value response-string)
(if smtpmail-debug-info
(message response-string))
(setq smtpmail-read-point match-end)
(setq return-value
(cons (string-to-int
(buffer-substring (match-beginning 0) (match-end 0)))
response-string)))
(if (looking-at "[0-9]+-")
(progn (setq smtpmail-read-point match-end)
(setq response-continue t))
(progn
(setq smtpmail-read-point match-end)
(setq response-continue nil)
(setq return-value
(cons nil response-string))
)
)))
(setq smtpmail-read-point match-end)
return-value))
;; check completely by T.Kagatani
(defun smtpmail-send-command (process command)
(goto-char (point-max))
(if (= (aref command 0) ?P)
(insert "PASS <omitted>\r\n")
(insert command "\r\n"))
(setq smtpmail-read-point (point))
(process-send-string process command)
(process-send-string process "\r\n"))
;; check completely by T.Kagatani
(defun smtpmail-send-data-1 (process data)
(goto-char (point-max))
(if (not (null smtpmail-code-conv-from))
(setq data (code-convert-string data smtpmail-code-conv-from *internal*)))
(if smtpmail-debug-info
(insert data "\r\n"))
(setq smtpmail-read-point (point))
(process-send-string process data)
;; . -> ..
(if (string-equal data ".")
(process-send-string process "."))
(process-send-string process "\r\n")
)
(defun smtpmail-send-data (process buffer)
(let
((data-continue t)
(sending-data nil)
this-line
this-line-end)
(save-excursion
(set-buffer buffer)
(goto-char (point-min)))
(while data-continue
(save-excursion
(set-buffer buffer)
(beginning-of-line)
(setq this-line (point))
(end-of-line)
(setq this-line-end (point))
(setq sending-data nil)
(setq sending-data (buffer-substring this-line this-line-end))
(if (/= (forward-line 1) 0)
(setq data-continue nil)))
(smtpmail-send-data-1 process sending-data)
)
)
)
(defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end)
"Get address list suitable for smtp RCPT TO: <address>."
(require 'mail-utils) ;; pick up mail-strip-quoted-names
(let
((case-fold-search t)
(simple-address-list "")
this-line
this-line-end)
(unwind-protect
(save-excursion
;;
(set-buffer smtpmail-address-buffer) (erase-buffer)
(insert-buffer-substring smtpmail-text-buffer header-start header-end)
(goto-char (point-min))
(while (re-search-forward "^\\(TO:\\|CC:\\|BCC:\\)" header-end t)
(replace-match "")
(setq this-line (match-beginning 0))
(forward-line 1)
;; get any continuation lines
(while (and (looking-at "^[ \t]+") (< (point) header-end))
(forward-line 1))
(setq this-line-end (point-marker))
(setq simple-address-list
(concat simple-address-list " "
(mail-strip-quoted-names (buffer-substring this-line this-line-end))))
)
(erase-buffer)
(insert-string " ")
(insert-string simple-address-list)
(insert-string "\n")
(subst-char-in-region (point-min) (point-max) 10 ? t);; newline --> blank
(subst-char-in-region (point-min) (point-max) ?, ? t);; comma --> blank
(subst-char-in-region (point-min) (point-max) 9 ? t);; tab --> blank
(goto-char (point-min))
;; tidyness in case hook is not robust when it looks at this
(while (re-search-forward "[ \t]+" header-end t) (replace-match " "))
(goto-char (point-min))
(setq recipient-address-list nil)
(while (re-search-forward " [^ ]+ " (point-max) t)
(backward-char 1)
(setq recipient-address-list(cons (buffer-substring (match-beginning 0) (match-end 0))
recipient-address-list))
)
(setq smtpmail-recipient-address-list recipient-address-list)
)
)
)
)
(defun smtpmail-do-bcc (header-end)
"Delete BCC: and their continuation lines from the header area.
There may be multiple BCC: lines, and each may have arbitrarily
many continuation lines."
(let ((case-fold-search t))
(save-excursion (goto-char (point-min))
;; iterate over all BCC: lines
(while (re-search-forward "^BCC:" header-end t)
(delete-region (match-beginning 0) (progn (forward-line 1) (point)))
;; get rid of any continuation lines
(while (and (looking-at "^[ \t].*\n") (< (point) header-end))
(replace-match ""))
)
) ;; save-excursion
) ;; let
)
(provide 'smtpmail)
;; smtpmail.el ends here
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