144 lines
4.1 KiB
EmacsLisp
144 lines
4.1 KiB
EmacsLisp
;;; qmtp.el --- basic functions to send mail with QMTP server
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;; Copyright (C) 2000 Free Software Foundation, Inc.
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;; Author: Daiki Ueno <ueno@unixuser.org>
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;; Keywords: QMTP, qmail
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;; This file is part of FLIM (Faithful Library about Internet Message).
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2, or (at
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;; your option) any later version.
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;; This program is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; Installation:
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;; To send mail using QMTP instead of SMTP, do
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;; (fset 'smtp-send-buffer 'qmtp-send-buffer)
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;;; Code:
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(require 'custom)
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(require 'mel) ; binary-funcall
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(defgroup qmtp nil
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"QMTP protocol for sending mail."
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:group 'mail)
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(defcustom qmtp-default-server nil
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"Specify default QMTP server."
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:type '(choice (const nil) string)
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:group 'qmtp)
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(defvar qmtp-server qmtp-default-server
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"The name of the host running QMTP server.
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It can also be a function
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called from `qmtp-via-qmtp' with arguments SENDER and RECIPIENTS.")
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(defcustom qmtp-service "qmtp"
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"QMTP service port number. \"qmtp\" or 209."
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:type '(choice (integer :tag "209" 209)
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(string :tag "qmtp" "qmtp"))
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:group 'qmtp)
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(defcustom qmtp-timeout 30
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"Timeout for each QMTP session."
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:type 'integer
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:group 'qmtp)
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;;;###autoload
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(defvar qmtp-open-connection-function (function open-network-stream))
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(defvar qmtp-error-response-alist
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'((?Z "Temporary failure")
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(?D "Permanent failure")))
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(defvar qmtp-read-point nil)
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(defun qmtp-encode-netstring-string (string)
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(format "%d:%s," (length string) string))
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(defun qmtp-send-package (process sender recipients buffer)
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(with-temp-buffer
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(buffer-disable-undo)
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(erase-buffer)
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(set-buffer-multibyte nil)
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(insert
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(format "%d:\n"
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(with-current-buffer buffer
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(1+ (point-max));; for the "\n"
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)))
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(insert-buffer-substring buffer)
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(insert
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"\n,"
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(qmtp-encode-netstring-string sender)
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(qmtp-encode-netstring-string
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(mapconcat #'qmtp-encode-netstring-string
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recipients "")))
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(process-send-region process (point-min)(point-max)))
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(goto-char qmtp-read-point)
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(while (and (memq (process-status process) '(open run))
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(not (re-search-forward "^[0-9]+:" nil 'noerror)))
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(unless (accept-process-output process qmtp-timeout)
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(error "timeout expired: %d" qmtp-timeout))
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(goto-char qmtp-read-point))
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(let ((response (char-after (match-end 0))))
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(unless (eq response ?K)
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(error (nth 1 (assq response qmtp-error-response-alist))))
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(setq recipients (cdr recipients))
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(beginning-of-line 2)
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(setq qmtp-read-point (point))))
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;;;###autoload
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(defun qmtp-via-qmtp (sender recipients buffer)
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(condition-case nil
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(progn
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(qmtp-send-buffer sender recipients buffer)
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t)
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(error)))
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(make-obsolete 'qmtp-via-qmtp "It's old API.")
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;;;###autoload
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(defun qmtp-send-buffer (sender recipients buffer)
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(save-excursion
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(set-buffer
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(get-buffer-create
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(format "*trace of QMTP session to %s*" qmtp-server)))
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(buffer-disable-undo)
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(erase-buffer)
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(make-local-variable 'qmtp-read-point)
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(setq qmtp-read-point (point-min))
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(let (process)
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(unwind-protect
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(progn
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(setq process
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(binary-funcall qmtp-open-connection-function
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"QMTP" (current-buffer)
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qmtp-server qmtp-service))
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(qmtp-send-package process sender recipients buffer))
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(when (and process
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(memq (process-status process) '(open run)))
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;; QUIT
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(process-send-eof process)
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(delete-process process))))))
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(provide 'qmtp)
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;;; qmtp.el ends here
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