;;; pop3.el --- Post Office Protocol (RFC 1460) interface
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
;; Free Software Foundation, Inc.
;; Author: Richard L. Pieri <ratinox@peorth.gweep.net>
;; Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
-;; Maintainer: FSF
+;; Katsumi Yamaoka <yamaoka@jpl.org>
+;; Maintainer: Volunteers
;; Keywords: mail
-;; This file is part of GNU Emacs.
+;; This file is part of T-gnus.
;; 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
;; This program was inspired by Kyle E. Jones's vm-pop program.
+;; You have to set the variable `pop3-connection-type' to `ssl' or
+;; `tls' expressly, if you would like to use this module with Gnus
+;; (not T-gnus) for those connection types. For examples:
+;;
+;;(setq mail-sources '((pop :server "POPSERVER" :port 995 :connection ssl
+;; :authentication apop)))
+;;(setq pop3-connection-type 'ssl)
+
;;; Code:
(eval-when-compile (require 'cl))
-(eval-when-compile (require 'static))
+
+;; as-binary-process, open-network-stream-as-binary, write-region-as-binary
+(require 'pces)
+;; exec-installed-p
+(require 'path-util)
(require 'mail-utils)
(defvar pop3-debug nil)
(eval-and-compile
- (autoload 'open-ssl-stream "ssl")
(autoload 'starttls-open-stream "starttls")
(autoload 'starttls-negotiate "starttls"))
((equal 'pass pop3-authentication-scheme)
(pop3-user process pop3-maildrop)
(pop3-pass process))
- (t (error "Invalid POP3 authentication scheme.")))
+ (t (error "Invalid POP3 authentication scheme")))
(setq message-count (car (pop3-stat process)))
(pop3-quit process)
message-count))
process)))
(defun pop3-open-ssl-stream-1 (name buffer host service extra-arg)
- (require 'path-util)
+ (require 'ssl)
(let* ((ssl-program-name
pop3-ssl-program-name)
(ssl-program-arguments
- `(,@pop3-ssl-program-arguments ,extra-arg
+ `(,@pop3-ssl-program-arguments
+ ,extra-arg
"-connect" ,(format "%s:%d" host service)))
- (process (open-ssl-stream name buffer host service)))
+ (process (open-ssl-stream name buffer host service)))
(when process
(with-current-buffer buffer
(goto-char (point-min))
(while (and (memq (process-status process) '(open run))
- (goto-char (point-max))
- (forward-line -1)
- (not (looking-at "+OK")))
- (accept-process-output process 1)
- (sit-for 1))
+ (goto-char (point-max))
+ (forward-line -1)
+ (not (looking-at "+OK")))
+ (accept-process-output process 1)
+ (sit-for 1))
(delete-region (point-min) (point)))
(and process (memq (process-status process) '(open run))
process))))
"Open a SSL connection for a service to a host.
Returns a subprocess-object to represent the connection.
Args are NAME BUFFER HOST SERVICE."
- (cond ((eq system-type 'windows-nt)
- (let (selective-display
- (coding-system-for-write 'binary)
- (coding-system-for-read 'raw-text-dos))
- (or (pop3-open-ssl-stream-1 name buffer host service "-ssl3")
- (pop3-open-ssl-stream-1 name buffer host service "-ssl2"))))
- (t
- (as-binary-process
- (or (pop3-open-ssl-stream-1 name buffer host service "-ssl3")
- (pop3-open-ssl-stream-1 name buffer host service "-ssl2"))))))
+ (as-binary-process
+ (or (pop3-open-ssl-stream-1 name buffer host service "-ssl3")
+ (pop3-open-ssl-stream-1 name buffer host service "-ssl2"))))
(defun pop3-open-tls-stream (name buffer host service)
"Open a TLSv1 connection for a service to a host.
(insert output)))
(defun pop3-send-command (process command)
- (set-buffer (process-buffer process))
- (goto-char (point-max))
-;; (if (= (aref command 0) ?P)
-;; (insert "PASS <omitted>\r\n")
-;; (insert command "\r\n"))
- (setq pop3-read-point (point))
- (goto-char (point-max))
- (process-send-string process (concat command "\r\n"))
- )
+ (set-buffer (process-buffer process))
+ (goto-char (point-max))
+;; (if (= (aref command 0) ?P)
+;; (insert "PASS <omitted>\r\n")
+;; (insert command "\r\n"))
+ (setq pop3-read-point (point))
+ (goto-char (point-max))
+ (process-send-string process (concat command "\r\n"))
+ )
(defun pop3-read-response (process &optional return)
"Read the response from the server PROCESS.
(looking-at "\001\001\001\001\n") ; MMDF
(looking-at "BABYL OPTIONS:") ; Babyl
))
- (let ((from (mail-strip-quoted-names (mail-fetch-field "From")))
- (date (split-string (or (mail-fetch-field "Date")
- (pop3-make-date))
- " "))
- (From_))
+ (let* ((from (mail-strip-quoted-names (mail-fetch-field "From")))
+ (tdate (mail-fetch-field "Date"))
+ (date (split-string (or (and tdate
+ (not (string= "" tdate))
+ tdate)
+ (pop3-make-date))
+ " "))
+ (From_))
;; sample date formats I have seen
;; Date: Tue, 9 Jul 1996 09:04:21 -0400 (EDT)
;; Date: 08 Jul 1996 23:22:24 -0400
;; should be
;; Tue Jul 9 09:04:21 1996
(setq date
- (cond ((string-match "[A-Z]" (nth 0 date))
+ (cond ((not date)
+ "Tue Jan 1 00:00:0 1900")
+ ((string-match "[A-Z]" (nth 0 date))
(format "%s %s %s %s %s"
(nth 0 date) (nth 2 date) (nth 1 date)
(nth 4 date) (nth 3 date)))
(pop3-send-command process (format "USER %s" user))
(let ((response (pop3-read-response process t)))
(if (not (and response (string-match "+OK" response)))
- (error (format "USER %s not valid." user)))))
+ (error (format "USER %s not valid" user)))))
(defun pop3-pass (process)
"Send authentication information to the server."
(if (not (and response (string-match "+OK" response)))
(pop3-quit process))))
-(static-unless (and (fboundp 'md5) (subrp (symbol-function 'md5)))
- (eval-and-compile
- (require 'path-util)
- (if (module-installed-p 'md5)
- (progn
- (autoload 'md5 "md5")
- (fset 'pop3-md5 'md5))
-
- (defvar pop3-md5-program "md5"
- "*Program to encode its input in MD5.")
-
- (defun pop3-md5 (string)
- (with-temp-buffer
- (insert string)
- (call-process-region (point-min) (point-max)
- (or shell-file-name "/bin/sh")
- t (current-buffer) nil
- "-c" pop3-md5-program)
- ;; The meaningful output is the first 32 characters.
- ;; Don't return the newline that follows them!
- (buffer-substring (point-min) (+ (point-min) 32))))
- )))
+;; When this file is being compiled in the Gnus (not T-gnus) source
+;; tree, `md5' might have been defined in w3/md5.el, ./lpath.el or one
+;; of some other libraries and `md5' will accept only 3 arguments. We
+;; will deceive the byte-compiler not to say warnings.
+(eval-and-compile
+ (if (fboundp 'eval-when)
+ ;; `eval-when' might not be provided when loading .el file.
+ (eval-when 'compile
+ (let ((def (assq 'md5 byte-compile-function-environment)))
+ (if def
+ (setcdr def '(lambda (object &optional start end
+ coding-system noerror)))
+ (setq byte-compile-function-environment
+ (cons '(md5 . (lambda (object &optional start end
+ coding-system noerror)))
+ byte-compile-function-environment)))))))
+
+;; Note that `pop3-md5' should never encode a given string to use for
+;; the apop authentication.
+(eval-and-compile
+ (if (fboundp 'md5)
+ (if (condition-case nil
+ (md5 "\
+Check whether the 4th argument CODING-SYSTEM is allowed"
+ nil nil 'binary)
+ (error nil))
+ ;; Emacs 21 or XEmacs 21
+ ;; (md5 OBJECT &optional START END CODING-SYSTEM NOERROR)
+ (defun pop3-md5 (string)
+ (md5 string nil nil 'binary))
+ ;; The reason why the program reaches here:
+ ;; 1. XEmacs 20 is running and the built-in `md5' doesn't
+ ;; allow the 4th argument.
+ ;; 2. `md5' has been defined by one of some lisp libraries.
+ ;; 3. This file is being compiled in the Gnus source tree,
+ ;; and `md5' has been defined in lpath.el.
+ (defalias 'pop3-md5 'md5))
+ ;; The lisp function will be provided by FLIM or other libraries.
+ (autoload 'md5 "md5")
+ (defalias 'pop3-md5 'md5)))
(defun pop3-apop (process user)
"Send alternate authentication information to the server."
(setq pass
(pop3-read-passwd (format "Password for %s: " pop3-maildrop))))
(if pass
- (let ((hash (static-if (and (fboundp 'md5)
- (subrp (symbol-function 'md5)))
- (md5 (concat pop3-timestamp pass))
- (pop3-md5 (concat pop3-timestamp pass)))))
+ (let ((hash (pop3-md5 (concat pop3-timestamp pass))))
(pop3-send-command process (format "APOP %s %s" user hash))
(let ((response (pop3-read-response process t)))
(if (not (and response (string-match "+OK" response)))
(if msgno
(pop3-send-command process (format "UIDL %d" msgno))
(pop3-send-command process "UIDL"))
-
+
(if (null (pop3-read-response process t))
nil ;; UIDL is not supported on this server
(let (pairs uidl)
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