;;; nntp.el --- nntp access for Gnus
-;;; Copyright (C) 1987-90,92-99 Free Software Foundation, Inc.
+;;; Copyright (C) 1987-90,92-97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(defvoo nntp-rlogin-user-name nil
"*User name on remote system when using the rlogin connect method.")
-(defvoo nntp-telnet-parameters
- '("exec" "telnet" "-8" "${NNTPSERVER:=news}" "nntp")
+(defvoo nntp-telnet-parameters '("exec" "telnet" "-8" "${NNTPSERVER:=news}" "nntp")
"*Parameters to `nntp-open-telnet'.
That function may be used as `nntp-open-connection-function'. In that
case, this list will be executed as a command after logging in
(defvoo nntp-warn-about-losing-connection t
"*If non-nil, beep when a server closes connection.")
-(defvoo nntp-coding-system-for-read 'binary
- "*Coding system to read from NNTP.")
-
-(defvoo nntp-coding-system-for-write 'binary
- "*Coding system to write to NNTP.")
-
(defcustom nntp-authinfo-file "~/.authinfo"
".netrc-like file that holds nntp authinfo passwords."
:type
(defvoo nntp-server-xover 'try)
(defvoo nntp-server-list-active-group 'try)
-(defvar nntp-async-needs-kluge
- (string-match "^GNU Emacs 20\\.3\\." (emacs-version))
- "*When non-nil, nntp will poll asynchronous connections
-once a second. By default, this is turned on only for Emacs
-20.3, which has a bug that breaks nntp's normal method of
-noticing asynchronous data.")
-
-(defvar nntp-async-timer nil)
-(defvar nntp-async-process-list nil)
-
(eval-and-compile
- (autoload 'mail-source-read-passwd "mail-source")
+ (autoload 'nnmail-read-passwd "nnmail")
(autoload 'open-ssl-stream "ssl"))
\f
(nntp-decode-text (not decode))
(unless discard
(save-excursion
- (set-buffer buffer)
- (goto-char (point-max))
- (insert-buffer-substring (process-buffer process))
+ (set-buffer buffer)
+ (goto-char (point-max))
+ (insert-buffer-substring (process-buffer process))
;; Nix out "nntp reading...." message.
(when nntp-have-messaged
(setq nntp-have-messaged nil)
(unless discard
(erase-buffer)))))
-(defun nntp-kill-buffer (buffer)
- (when (buffer-name buffer)
- (kill-buffer buffer)
- (nnheader-init-server-buffer)))
-
(defsubst nntp-find-connection (buffer)
"Find the connection delivering to BUFFER."
(let ((alist nntp-connection-alist)
(when process
(if (memq (process-status process) '(open run))
process
- (nntp-kill-buffer (process-buffer process))
+ (when (buffer-name (process-buffer process))
+ (kill-buffer (process-buffer process)))
(setq nntp-connection-alist (delq entry nntp-connection-alist))
nil))))
((eq callback 'ignore)
t)
((and callback wait-for)
- (nntp-async-wait process wait-for buffer decode callback)
+ (save-excursion
+ (set-buffer (process-buffer process))
+ (unless nntp-inside-change-function
+ (erase-buffer))
+ (setq nntp-process-decode decode
+ nntp-process-to-buffer buffer
+ nntp-process-wait-for wait-for
+ nntp-process-callback callback
+ nntp-process-start-point (point-max)
+ after-change-functions
+ (list 'nntp-after-change-function-callback)))
t)
(wait-for
(nntp-wait-for process wait-for buffer decode))
(cond
;; A result that starts with a 2xx code is terminated by
;; a line with only a "." on it.
- ((eq (char-after) ?2)
+ ((eq (following-char) ?2)
(if (re-search-forward "\n\\.\r?\n" nil t)
t
nil))
(deffoo nntp-retrieve-groups (groups &optional server)
"Retrieve group info on GROUPS."
(nntp-possibly-change-group nil server)
- (when (nntp-find-connection-buffer nntp-server-buffer)
- (save-excursion
- ;; Erase nntp-sever-buffer before nntp-inhibit-erase.
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (set-buffer (nntp-find-connection-buffer nntp-server-buffer))
- ;; The first time this is run, this variable is `try'. So we
- ;; try.
- (when (eq nntp-server-list-active-group 'try)
- (nntp-try-list-active (car groups)))
- (erase-buffer)
- (let ((count 0)
- (received 0)
- (last-point (point-min))
- (nntp-inhibit-erase t)
- (command (if nntp-server-list-active-group "LIST ACTIVE" "GROUP")))
- (while groups
- ;; Send the command to the server.
- (nntp-send-command nil command (pop groups))
- (incf count)
- ;; Every 400 requests we have to read the stream in
- ;; order to avoid deadlocks.
- (when (or (null groups) ;All requests have been sent.
- (zerop (% count nntp-maximum-request)))
- (nntp-accept-response)
- (while (progn
- (goto-char last-point)
- ;; Count replies.
- (while (re-search-forward "^[0-9]" nil t)
- (incf received))
- (setq last-point (point))
- (< received count))
- (nntp-accept-response))))
-
- ;; Wait for the reply from the final command.
- (goto-char (point-max))
- (re-search-backward "^[0-9]" nil t)
- (when (looking-at "^[23]")
+ (save-excursion
+ (set-buffer (nntp-find-connection-buffer nntp-server-buffer))
+ ;; The first time this is run, this variable is `try'. So we
+ ;; try.
+ (when (eq nntp-server-list-active-group 'try)
+ (nntp-try-list-active (car groups)))
+ (erase-buffer)
+ (let ((count 0)
+ (received 0)
+ (last-point (point-min))
+ (nntp-inhibit-erase t)
+ (command (if nntp-server-list-active-group "LIST ACTIVE" "GROUP")))
+ (while groups
+ ;; Send the command to the server.
+ (nntp-send-command nil command (pop groups))
+ (incf count)
+ ;; Every 400 requests we have to read the stream in
+ ;; order to avoid deadlocks.
+ (when (or (null groups) ;All requests have been sent.
+ (zerop (% count nntp-maximum-request)))
+ (nntp-accept-response)
(while (progn
- (goto-char (point-max))
- (if (not nntp-server-list-active-group)
- (not (re-search-backward "\r?\n" (- (point) 3) t))
- (not (re-search-backward "^\\.\r?\n" (- (point) 4) t))))
- (nntp-accept-response)))
+ (goto-char last-point)
+ ;; Count replies.
+ (while (re-search-forward "^[0-9]" nil t)
+ (incf received))
+ (setq last-point (point))
+ (< received count))
+ (nntp-accept-response))))
+
+ ;; Wait for the reply from the final command.
+ (goto-char (point-max))
+ (re-search-backward "^[0-9]" nil t)
+ (when (looking-at "^[23]")
+ (while (progn
+ (goto-char (point-max))
+ (if (not nntp-server-list-active-group)
+ (not (re-search-backward "\r?\n" (- (point) 3) t))
+ (not (re-search-backward "^\\.\r?\n" (- (point) 4) t))))
+ (nntp-accept-response)))
+
+ ;; Now all replies are received. We remove CRs.
+ (goto-char (point-min))
+ (while (search-forward "\r" nil t)
+ (replace-match "" t t))
- ;; Now all replies are received. We remove CRs.
+ (if (not nntp-server-list-active-group)
+ (progn
+ (copy-to-buffer nntp-server-buffer (point-min) (point-max))
+ 'group)
+ ;; We have read active entries, so we just delete the
+ ;; superfluous gunk.
(goto-char (point-min))
- (while (search-forward "\r" nil t)
- (replace-match "" t t))
-
- (if (not nntp-server-list-active-group)
- (progn
- (copy-to-buffer nntp-server-buffer (point-min) (point-max))
- 'group)
- ;; We have read active entries, so we just delete the
- ;; superfluous gunk.
- (goto-char (point-min))
- (while (re-search-forward "^[.2-5]" nil t)
- (delete-region (match-beginning 0)
- (progn (forward-line 1) (point))))
- (copy-to-buffer nntp-server-buffer (point-min) (point-max))
- 'active)))))
+ (while (re-search-forward "^[.2-5]" nil t)
+ (delete-region (match-beginning 0)
+ (progn (forward-line 1) (point))))
+ (copy-to-buffer nntp-server-buffer (point-min) (point-max))
+ 'active))))
(deffoo nntp-retrieve-articles (articles &optional group server)
(nntp-possibly-change-group group server)
(and (numberp nntp-large-newsgroup)
(> number nntp-large-newsgroup)
(nnheader-message 6 "NNTP: Receiving articles...done"))
-
+
;; Now we have all the responses. We go through the results,
;; wash it and copy it over to the server buffer.
(set-buffer nntp-server-buffer)
(setq nntp-server-list-active-group t)))))
(deffoo nntp-list-active-group (group &optional server)
- "Return the active info on GROUP (which can be a regexp)."
+ "Return the active info on GROUP (which can be a regexp."
(nntp-possibly-change-group nil server)
- (nntp-send-command "^\\.*\r?\n" "LIST ACTIVE" group))
-
-(deffoo nntp-request-group-articles (group &optional server)
- "Return the list of existing articles in GROUP."
- (nntp-possibly-change-group nil server)
- (nntp-send-command "^\\.*\r?\n" "LISTGROUP" group))
+ (nntp-send-command "^.*\r?\n" "LIST ACTIVE" group))
(deffoo nntp-request-article (article &optional group server buffer command)
(nntp-possibly-change-group group server)
;; Ok, this is evil, but when using telnet and stuff
;; as the connection method, it's important that the
;; QUIT command actually is sent out before we kill
- ;; the process.
+ ;; the process.
(sleep-for 1))))
- (nntp-kill-buffer (process-buffer process))
+ (when (buffer-name (process-buffer process))
+ (kill-buffer (process-buffer process)))
(setq process (car (pop nntp-connection-alist))))
(nnoo-close-server 'nntp)))
;; Ok, this is evil, but when using telnet and stuff
;; as the connection method, it's important that the
;; QUIT command actually is sent out before we kill
- ;; the process.
+ ;; the process.
(sleep-for 1))))
- (nntp-kill-buffer (process-buffer process)))))
+ (when (buffer-name (process-buffer process))
+ (kill-buffer (process-buffer process))))))
(deffoo nntp-request-list (&optional server)
(nntp-possibly-change-group nil server)
(prog1
(nntp-send-command
"^\\.\r?\n" "NEWGROUPS"
- (format-time-string "%y%m%d %H%M%S" (date-to-time date)))
+ (format-time-string "%y%m%d %H%M%S" (nnmail-date-to-time date)))
(nntp-decode-text))))
(deffoo nntp-request-post (&optional server)
This function is supposed to be called from `nntp-server-opened-hook'.
It will make innd servers spawn an nnrpd process to allow actual article
reading."
- (nntp-send-command "^.*\n" "MODE READER"))
+ (nntp-send-command "^.*\r?\n" "MODE READER"))
(defun nntp-send-authinfo (&optional send-if-force)
"Send the AUTHINFO to the nntp server.
(or passwd
nntp-authinfo-password
(setq nntp-authinfo-password
- (mail-source-read-passwd (format "NNTP (%s@%s) password: "
+ (nnmail-read-passwd (format "NNTP (%s@%s) password: "
user nntp-address))))))))))
(defun nntp-send-nosy-authinfo ()
(nntp-send-command "^3.*\r?\n" "AUTHINFO USER" user)
(when t ;???Should check if AUTHINFO succeeded
(nntp-send-command "^2.*\r?\n" "AUTHINFO PASS"
- (mail-source-read-passwd "NNTP (%s@%s) password: "
+ (nnmail-read-passwd "NNTP (%s@%s) password: "
user nntp-address))))))
(defun nntp-send-authinfo-from-file ()
The authinfo login name is taken from the user's login name and the
password contained in '~/.nntp-authinfo'."
(when (file-exists-p "~/.nntp-authinfo")
- (with-temp-buffer
+ (nnheader-temp-write nil
(insert-file-contents "~/.nntp-authinfo")
(goto-char (point-min))
(nntp-send-command "^3.*\r?\n" "AUTHINFO USER" (user-login-name))
(format " *server %s %s %s*"
nntp-address nntp-port-number
(gnus-buffer-exists-p buffer))))
- (mm-enable-multibyte)
+ (buffer-disable-undo (current-buffer))
(set (make-local-variable 'after-change-functions) nil)
(set (make-local-variable 'nntp-process-wait-for) nil)
(set (make-local-variable 'nntp-process-callback) nil)
"Open a connection to PORT on ADDRESS delivering output to BUFFER."
(run-hooks 'nntp-prepare-server-hook)
(let* ((pbuffer (nntp-make-process-buffer buffer))
- (timer
- (and nntp-connection-timeout
+ (timer
+ (and nntp-connection-timeout
(nnheader-run-at-time
nntp-connection-timeout nil
`(lambda ()
- (nntp-kill-buffer ,pbuffer)))))
+ (when (buffer-name ,pbuffer)
+ (kill-buffer ,pbuffer))))))
(process
(condition-case ()
- (let ((coding-system-for-read nntp-coding-system-for-read)
- (coding-system-for-write nntp-coding-system-for-write))
- (funcall nntp-open-connection-function pbuffer))
+ (funcall nntp-open-connection-function pbuffer)
(error nil)
(quit nil))))
- (when timer
+ (when timer
(nnheader-cancel-timer timer))
(when (and (buffer-name pbuffer)
process)
(let ((nnheader-callback-function nil))
(run-hooks 'nntp-server-opened-hook)
(nntp-send-authinfo t))))
- (nntp-kill-buffer (process-buffer process))
+ (when (buffer-name (process-buffer process))
+ (kill-buffer (process-buffer process)))
nil))))
(defun nntp-open-network-stream (buffer)
- (open-network-stream "nntpd" buffer nntp-address nntp-port-number))
+ (open-network-stream-as-binary
+ "nntpd" buffer nntp-address nntp-port-number))
(defun nntp-open-ssl-stream (buffer)
(let* ((ssl-program-arguments '("-connect" (concat host ":" service)))
(eval (cadr entry))
(funcall (cadr entry)))))))
-(defun nntp-async-wait (process wait-for buffer decode callback)
- (save-excursion
- (set-buffer (process-buffer process))
- (unless nntp-inside-change-function
- (erase-buffer))
- (setq nntp-process-wait-for wait-for
- nntp-process-to-buffer buffer
- nntp-process-decode decode
- nntp-process-callback callback
- nntp-process-start-point (point-max))
- (setq after-change-functions '(nntp-after-change-function))
- (if nntp-async-needs-kluge
- (nntp-async-kluge process))))
-
-(defun nntp-async-kluge (process)
- ;; emacs 20.3 bug: process output with encoding 'binary
- ;; doesn't trigger after-change-functions.
- (unless nntp-async-timer
- (setq nntp-async-timer
- (nnheader-run-at-time 1 1 'nntp-async-timer-handler)))
- (add-to-list 'nntp-async-process-list process))
-
-(defun nntp-async-timer-handler ()
- (mapcar
- (lambda (proc)
- (if (memq (process-status proc) '(open run))
- (nntp-async-trigger proc)
- (nntp-async-stop proc)))
- nntp-async-process-list))
-
-(defun nntp-async-stop (proc)
- (setq nntp-async-process-list (delq proc nntp-async-process-list))
- (when (and nntp-async-timer (not nntp-async-process-list))
- (nnheader-cancel-timer nntp-async-timer)
- (setq nntp-async-timer nil)))
-
-(defun nntp-after-change-function (beg end len)
- (unwind-protect
- ;; we only care about insertions at eob
- (when (and (eq 0 len) (eq (point-max) end))
- (save-match-data
- (let ((proc (get-buffer-process (current-buffer))))
- (when proc
- (nntp-async-trigger proc)))))
- ;; any throw from after-change-functions will leave it
- ;; set to nil. so we reset it here, if necessary.
- (when quit-flag
- (setq after-change-functions '(nntp-after-change-function)))))
-
-(defun nntp-async-trigger (process)
- (save-excursion
- (set-buffer (process-buffer process))
- (when nntp-process-callback
- ;; do we have an error message?
- (goto-char nntp-process-start-point)
- (if (memq (following-char) '(?4 ?5))
- ;; wants credentials?
- (if (looking-at "480")
- (nntp-handle-authinfo nntp-process-to-buffer)
- ;; report error message.
- (nntp-snarf-error-message)
- (nntp-do-callback nil))
-
- ;; got what we expect?
- (goto-char (point-max))
- (when (re-search-backward
- nntp-process-wait-for nntp-process-start-point t)
- (nntp-async-stop process)
- ;; convert it.
+(defun nntp-after-change-function-callback (beg end len)
+ (when nntp-process-callback
+ (save-match-data
+ (if (and (= beg (point-min))
+ (memq (char-after beg) '(?4 ?5)))
+ ;; Report back error messages.
+ (save-excursion
+ (goto-char beg)
+ (if (looking-at "480")
+ (nntp-handle-authinfo nntp-process-to-buffer)
+ (nntp-snarf-error-message)
+ (funcall nntp-process-callback nil)))
+ (goto-char end)
+ (when (and (> (point) nntp-process-start-point)
+ (re-search-backward nntp-process-wait-for
+ nntp-process-start-point t))
(when (gnus-buffer-exists-p nntp-process-to-buffer)
- (let ((buf (current-buffer))
- (start nntp-process-start-point)
- (decode nntp-process-decode))
+ (let ((cur (current-buffer))
+ (start nntp-process-start-point))
(save-excursion
(set-buffer nntp-process-to-buffer)
(goto-char (point-max))
- (save-restriction
- (narrow-to-region (point) (point))
- (insert-buffer-substring buf start)
- (when decode
- (nntp-decode-text))))))
- ;; report it.
- (goto-char (point-max))
- (nntp-do-callback
- (buffer-name (get-buffer nntp-process-to-buffer))))))))
-
-(defun nntp-do-callback (arg)
- (let ((callback nntp-process-callback)
- (nntp-inside-change-function t))
- (setq nntp-process-callback nil)
- (funcall callback arg)))
+ (let ((b (point)))
+ (insert-buffer-substring cur start)
+ (narrow-to-region b (point-max))
+ (nntp-decode-text)
+ (widen)))))
+ (goto-char end)
+ (let ((callback nntp-process-callback)
+ (nntp-inside-change-function t))
+ (setq nntp-process-callback nil)
+ (save-excursion
+ (funcall callback (buffer-name
+ (get-buffer nntp-process-to-buffer))))))))))
(defun nntp-snarf-error-message ()
"Save the error message in the current buffer."
(nnheader-report 'nntp message)
message))
-(defun nntp-accept-process-output (process &optional timeout)
+(defun nntp-accept-process-output (process)
"Wait for output from PROCESS and message some dots."
(save-excursion
(set-buffer (or (nntp-find-connection-buffer nntp-server-buffer)
(unless (< len 10)
(setq nntp-have-messaged t)
(nnheader-message 7 "nntp read: %dk" len)))
- (accept-process-output process (or timeout 1))))
+ (accept-process-output process 1)))
(defun nntp-accept-response ()
"Wait for output from the process that outputs to BUFFER."
(save-excursion
(set-buffer (process-buffer (car entry)))
(erase-buffer)
- (nntp-send-command "^[245].*\n" "GROUP" group)
+ (nntp-send-string (car entry) (concat "GROUP " group))
+ ;; allow for unexpected responses, since this can be called
+ ;; from a timer with quit inhibited
+ (nntp-wait-for-string "^[245].*\n")
(setcar (cddr entry) group)
(erase-buffer))))))
((numberp nntp-nov-gap)
(let ((count 0)
(received 0)
- last-point
- in-process-buffer-p
+ (last-point (point-min))
(buf nntp-server-buffer)
- (process-buffer (nntp-find-connection-buffer nntp-server-buffer))
+ ;;(process-buffer (nntp-find-connection (current-buffer))))
first)
;; We have to check `nntp-server-xover'. If it gets set to nil,
;; that means that the server does not understand XOVER, but we
(< (- (nth 1 articles) (car articles)) nntp-nov-gap))
(setq articles (cdr articles)))
- (setq in-process-buffer-p (stringp nntp-server-xover))
- (nntp-send-xover-command first (car articles))
- (setq articles (cdr articles))
-
- (when (and nntp-server-xover in-process-buffer-p)
- ;; Don't count tried request.
- (setq count (1+ count))
-
+ (when (nntp-send-xover-command first (car articles))
+ (setq articles (cdr articles)
+ count (1+ count))
+
;; Every 400 requests we have to read the stream in
;; order to avoid deadlocks.
(when (or (null articles) ;All requests have been sent.
(zerop (% count nntp-maximum-request)))
-
- (nntp-accept-response)
+ (accept-process-output)
;; On some Emacs versions the preceding function has
;; a tendency to change the buffer. Perhaps. It's
;; quite difficult to reproduce, because it only
;; seems to happen once in a blue moon.
- (set-buffer process-buffer)
+ (set-buffer buf)
(while (progn
- (goto-char (or last-point (point-min)))
+ (goto-char last-point)
;; Count replies.
(while (re-search-forward "^[0-9][0-9][0-9] " nil t)
(setq received (1+ received)))
(setq last-point (point))
(< received count))
- (nntp-accept-response)
- (set-buffer process-buffer))
- (set-buffer buf))))
+ (accept-process-output)
+ (set-buffer buf)))))
(when nntp-server-xover
- (when in-process-buffer-p
- (set-buffer process-buffer)
- ;; Wait for the reply from the final command.
- (goto-char (point-max))
- (re-search-backward "^[0-9][0-9][0-9] " nil t)
- (when (looking-at "^[23]")
- (while (progn
- (goto-char (point-max))
- (forward-line -1)
- (not (looking-at "^\\.\r?\n")))
- (nntp-accept-response)
- (set-buffer process-buffer)))
- (set-buffer buf)
- (goto-char (point-max))
- (insert-buffer-substring process-buffer)
- (set-buffer process-buffer)
- (erase-buffer)
- (set-buffer buf))
+ ;; Wait for the reply from the final command.
+ (goto-char (point-max))
+ (re-search-backward "^[0-9][0-9][0-9] " nil t)
+ (when (looking-at "^[23]")
+ (while (progn
+ (goto-char (point-max))
+ (forward-line -1)
+ (not (looking-at "^\\.\r?\n")))
+ (nntp-accept-response)))
;; We remove any "." lines and status lines.
(goto-char (point-min))
(delete-char -1))
(goto-char (point-min))
(delete-matching-lines "^\\.$\\|^[1-5][0-9][0-9] ")
+ ;;(copy-to-buffer nntp-server-buffer (point-min) (point-max))
t))))
nntp-server-xover)
(nntp-send-command-nodelete
"\r?\n\\.\r?\n" nntp-server-xover range)
;; We do not wait for the reply.
- (nntp-send-command-nodelete nil nntp-server-xover range))
+ (nntp-send-command-nodelete "\r?\n\\.\r?\n" nntp-server-xover range))
(let ((commands nntp-xover-commands))
;; `nntp-xover-commands' is a list of possible XOVER commands.
;; We try them all until we get at positive response.
(save-excursion
(set-buffer buffer)
(erase-buffer)
- (let ((proc (apply
- 'start-process
- "nntpd" buffer nntp-telnet-command nntp-telnet-switches))
+ (let ((proc (as-binary-process
+ (apply
+ 'start-process
+ "nntpd" buffer nntp-telnet-command nntp-telnet-switches)))
(case-fold-search t))
(when (memq (process-status proc) '(open run))
(process-send-string proc "set escape \^X\n")
proc (concat
(or nntp-telnet-passwd
(setq nntp-telnet-passwd
- (mail-source-read-passwd "Password: ")))
+ (nnmail-read-passwd "Password: ")))
"\n"))
+ (erase-buffer)
(nntp-wait-for-string nntp-telnet-shell-prompt)
(process-send-string
proc (concat (mapconcat 'identity nntp-telnet-parameters " ") "\n"))
(defun nntp-open-rlogin (buffer)
"Open a connection to SERVER using rsh."
(let ((proc (if nntp-rlogin-user-name
- (apply 'start-process
- "nntpd" buffer nntp-rlogin-program
- nntp-address "-l" nntp-rlogin-user-name
- nntp-rlogin-parameters)
- (apply 'start-process
- "nntpd" buffer nntp-rlogin-program nntp-address
- nntp-rlogin-parameters))))
+ (as-binary-process
+ (apply 'start-process
+ "nntpd" buffer nntp-rlogin-program
+ nntp-address "-l" nntp-rlogin-user-name
+ nntp-rlogin-parameters))
+ (as-binary-process
+ (apply 'start-process
+ "nntpd" buffer nntp-rlogin-program nntp-address
+ nntp-rlogin-parameters)))))
(save-excursion
(set-buffer buffer)
(nntp-wait-for-string "^\r*20[01]")