1 ;;; gnus-int.el --- backend interface functions for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
30 (eval-when-compile (require 'cl))
36 (autoload 'gnus-agent-expire "gnus-agent")
37 (autoload 'gnus-agent-regenerate-group "gnus-agent")
38 (autoload 'gnus-agent-read-servers-validate-native "gnus-agent")
40 (defcustom gnus-open-server-hook nil
41 "Hook called just before opening connection to the news server."
45 (defcustom gnus-server-unopen-status nil
46 "The default status if the server is not able to open.
47 If the server is covered by Gnus agent, the possible values are
48 `denied', set the server denied; `offline', set the server offline;
49 nil, ask user. If the server is not covered by Gnus agent, set the
52 :type '(choice (const :tag "Ask" nil)
53 (const :tag "Deny server" denied)
54 (const :tag "Unplug Agent" offline)))
56 (defvar gnus-internal-registry-spool-current-method nil
57 "The current method, for the registry.")
60 ;;; Server Communication
63 (defun gnus-start-news-server (&optional confirm)
64 "Open a method for getting news.
65 If CONFIRM is non-nil, the user will be asked for an NNTP server."
67 (if gnus-current-select-method
68 ;; Stream is already opened.
71 (unless gnus-nntp-service
72 (setq gnus-nntp-server nil))
74 ;; Read server name with completion.
75 (setq gnus-nntp-server
76 (completing-read "NNTP server: "
78 (cons (list gnus-nntp-server)
79 gnus-secondary-servers))
80 nil nil gnus-nntp-server)))
82 (when (and gnus-nntp-server
83 (stringp gnus-nntp-server)
84 (not (string= gnus-nntp-server "")))
85 (setq gnus-select-method
86 (cond ((or (string= gnus-nntp-server "")
87 (string= gnus-nntp-server "::"))
88 (list 'nnspool (system-name)))
89 ((string-match "^:" gnus-nntp-server)
90 (list 'nnmh gnus-nntp-server
92 (file-name-as-directory
94 (substring gnus-nntp-server 1) "~/")))
95 (list 'nnmh-get-new-mail nil)))
97 (list 'nntp gnus-nntp-server)))))
99 (setq how (car gnus-select-method))
103 (gnus-message 5 "Looking up local news spool..."))
106 (gnus-message 5 "Looking up mh spool..."))
109 (setq gnus-current-select-method gnus-select-method)
110 (gnus-run-hooks 'gnus-open-server-hook)
112 ;; Partially validate agent covered methods now that the
113 ;; gnus-select-method is known.
116 ;; NOTE: This is here for one purpose only. By validating
117 ;; the current select method, it converts the old 5.10.3,
118 ;; and earlier, format to the current format. That enables
119 ;; the agent code within gnus-open-server to function
121 (gnus-agent-read-servers-validate-native gnus-select-method))
124 ;; gnus-open-server-hook might have opened it
125 (gnus-server-opened gnus-select-method)
126 (gnus-open-server gnus-select-method)
130 "%s (%s) open error: '%s'. Continue? "
131 (car gnus-select-method) (cadr gnus-select-method)
132 (gnus-status-message gnus-select-method)))
133 (gnus-error 1 "Couldn't open server on %s"
134 (nth 1 gnus-select-method))))))
136 (defun gnus-check-group (group)
137 "Try to make sure that the server where GROUP exists is alive."
138 (let ((method (gnus-find-method-for-group group)))
139 (or (gnus-server-opened method)
140 (gnus-open-server method))))
142 (defun gnus-check-server (&optional method silent)
143 "Check whether the connection to METHOD is down.
144 If METHOD is nil, use `gnus-select-method'.
145 If it is down, start it up (again)."
146 (let ((method (or method gnus-select-method))
148 ;; Transform virtual server names into select methods.
149 (when (stringp method)
150 (setq method (gnus-server-to-method method)))
151 (if (gnus-server-opened method)
152 ;; The stream is already opened.
156 (gnus-message 5 "Opening %s server%s..." (car method)
157 (if (equal (nth 1 method) "") ""
158 (format " on %s" (nth 1 method)))))
159 (gnus-run-hooks 'gnus-open-server-hook)
162 (setq result (gnus-open-server method))
163 (quit (message "Quit gnus-check-server")
166 (gnus-message 5 "Opening %s server%s...%s" (car method)
167 (if (equal (nth 1 method) "") ""
168 (format " on %s" (nth 1 method)))
169 (if result "done" "failed")))))))
171 (defun gnus-get-function (method function &optional noerror)
172 "Return a function symbol based on METHOD and FUNCTION."
173 ;; Translate server names into methods.
175 (error "Attempted use of a nil select method"))
176 (when (stringp method)
177 (setq method (gnus-server-to-method method)))
178 ;; Check cache of constructed names.
179 (let* ((method-sym (if gnus-agent
180 (inline (gnus-agent-get-function method))
182 (method-fns (get method-sym 'gnus-method-functions))
183 (func (let ((method-fnlist-elt (assq function method-fns)))
184 (unless method-fnlist-elt
185 (setq method-fnlist-elt
187 (intern (format "%s-%s" method-sym function))))
188 (put method-sym 'gnus-method-functions
189 (cons method-fnlist-elt method-fns)))
190 (cdr method-fnlist-elt))))
191 ;; Maybe complain if there is no function.
192 (unless (fboundp func)
194 (error "Trying to require a method that doesn't exist"))
195 (require (car method))
196 (when (not (fboundp func))
199 (error "No such function: %s" func))))
204 ;;; Interface functions to the backends.
207 (defun gnus-open-server (gnus-command-method)
208 "Open a connection to GNUS-COMMAND-METHOD."
209 (when (stringp gnus-command-method)
210 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
211 (let ((elem (assoc gnus-command-method gnus-opened-servers)))
212 ;; If this method was previously denied, we just return nil.
213 (if (eq (nth 1 elem) 'denied)
215 (gnus-message 1 "Denied server")
218 (let* ((open-server-function (gnus-get-function gnus-command-method 'open-server))
221 (funcall open-server-function
222 (nth 1 gnus-command-method)
223 (nthcdr 2 gnus-command-method))
225 (gnus-message 1 (format
226 "Unable to open server due to: %s"
227 (error-message-string err)))
230 (gnus-message 1 "Quit trying to open server")
233 ;; If this hasn't been opened before, we add it to the list.
235 (setq elem (list gnus-command-method nil)
236 gnus-opened-servers (cons elem gnus-opened-servers)))
237 ;; Set the status of this server.
240 (if (eq open-server-function #'nnagent-open-server)
241 ;; The agent's backend has a "special" status
245 (gnus-agent-method-p gnus-command-method))
246 (cond (gnus-server-unopen-status
247 ;; Set the server's status to the unopen
248 ;; status. If that status is offline,
249 ;; recurse to open the agent's backend.
250 (setq open-offline (eq gnus-server-unopen-status 'offline))
251 gnus-server-unopen-status)
253 (format "Unable to open %s:%s, go offline? "
254 (car gnus-command-method)
255 (cadr gnus-command-method)))
256 (setq open-offline t)
259 ;; This agentized server was still denied
262 ;; This unagentized server must be denied
265 ;; NOTE: I MUST set the server's status to offline before this
266 ;; recursive call as this status will drive the
267 ;; gnus-get-function (called above) to return the agent's
270 ;; Recursively open this offline server to perform the
271 ;; open-server function of the agent's backend.
272 (let ((gnus-server-unopen-status 'denied))
273 ;; Bind gnus-server-unopen-status to avoid recursively
274 ;; prompting with "go offline?". This is only a concern
275 ;; when the agent's backend fails to open the server.
276 (gnus-open-server gnus-command-method))
279 (defun gnus-close-server (gnus-command-method)
280 "Close the connection to GNUS-COMMAND-METHOD."
281 (when (stringp gnus-command-method)
282 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
283 (funcall (gnus-get-function gnus-command-method 'close-server)
284 (nth 1 gnus-command-method)))
286 (defun gnus-request-list (gnus-command-method)
287 "Request the active file from GNUS-COMMAND-METHOD."
288 (when (stringp gnus-command-method)
289 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
290 (funcall (gnus-get-function gnus-command-method 'request-list)
291 (nth 1 gnus-command-method)))
293 (defun gnus-request-list-newsgroups (gnus-command-method)
294 "Request the newsgroups file from GNUS-COMMAND-METHOD."
295 (when (stringp gnus-command-method)
296 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
297 (funcall (gnus-get-function gnus-command-method 'request-list-newsgroups)
298 (nth 1 gnus-command-method)))
300 (defun gnus-request-newgroups (date gnus-command-method)
301 "Request all new groups since DATE from GNUS-COMMAND-METHOD."
302 (when (stringp gnus-command-method)
303 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
304 (let ((func (gnus-get-function gnus-command-method 'request-newgroups t)))
306 (funcall func date (nth 1 gnus-command-method)))))
308 (defun gnus-server-opened (gnus-command-method)
309 "Check whether a connection to GNUS-COMMAND-METHOD has been opened."
310 (unless (eq (gnus-server-status gnus-command-method)
312 (when (stringp gnus-command-method)
313 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
314 (funcall (inline (gnus-get-function gnus-command-method 'server-opened))
315 (nth 1 gnus-command-method))))
317 (defun gnus-status-message (gnus-command-method)
318 "Return the status message from GNUS-COMMAND-METHOD.
319 If GNUS-COMMAND-METHOD is a string, it is interpreted as a group
320 name. The method this group uses will be queried."
321 (let ((gnus-command-method
322 (if (stringp gnus-command-method)
323 (gnus-find-method-for-group gnus-command-method)
324 gnus-command-method)))
325 (funcall (gnus-get-function gnus-command-method 'status-message)
326 (nth 1 gnus-command-method))))
328 (defun gnus-request-regenerate (gnus-command-method)
329 "Request a data generation from GNUS-COMMAND-METHOD."
330 (when (stringp gnus-command-method)
331 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
332 (funcall (gnus-get-function gnus-command-method 'request-regenerate)
333 (nth 1 gnus-command-method)))
335 (defun gnus-request-group (group &optional dont-check gnus-command-method)
336 "Request GROUP. If DONT-CHECK, no information is required."
337 (let ((gnus-command-method
338 (or gnus-command-method (inline (gnus-find-method-for-group group)))))
339 (when (stringp gnus-command-method)
340 (setq gnus-command-method
341 (inline (gnus-server-to-method gnus-command-method))))
342 (funcall (inline (gnus-get-function gnus-command-method 'request-group))
343 (gnus-group-real-name group) (nth 1 gnus-command-method)
346 (defun gnus-list-active-group (group)
347 "Request active information on GROUP."
348 (let ((gnus-command-method (gnus-find-method-for-group group))
349 (func 'list-active-group))
350 (when (gnus-check-backend-function func group)
351 (funcall (gnus-get-function gnus-command-method func)
352 (gnus-group-real-name group) (nth 1 gnus-command-method)))))
354 (defun gnus-request-group-description (group)
355 "Request a description of GROUP."
356 (let ((gnus-command-method (gnus-find-method-for-group group))
357 (func 'request-group-description))
358 (when (gnus-check-backend-function func group)
359 (funcall (gnus-get-function gnus-command-method func)
360 (gnus-group-real-name group) (nth 1 gnus-command-method)))))
362 (defun gnus-request-group-articles (group)
363 "Request a list of existing articles in GROUP."
364 (let ((gnus-command-method (gnus-find-method-for-group group))
365 (func 'request-group-articles))
366 (when (gnus-check-backend-function func group)
367 (funcall (gnus-get-function gnus-command-method func)
368 (gnus-group-real-name group) (nth 1 gnus-command-method)))))
370 (defun gnus-close-group (group)
371 "Request the GROUP be closed."
372 (let ((gnus-command-method (inline (gnus-find-method-for-group group))))
373 (funcall (gnus-get-function gnus-command-method 'close-group)
374 (gnus-group-real-name group) (nth 1 gnus-command-method))))
376 (defun gnus-retrieve-headers (articles group &optional fetch-old)
377 "Request headers for ARTICLES in GROUP.
378 If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
379 (let ((gnus-command-method (gnus-find-method-for-group group)))
381 ((and gnus-use-cache (numberp (car articles)))
382 (gnus-cache-retrieve-headers articles group fetch-old))
383 ((and gnus-agent (gnus-online gnus-command-method)
384 (gnus-agent-method-p gnus-command-method))
385 (gnus-agent-retrieve-headers articles group fetch-old))
387 (funcall (gnus-get-function gnus-command-method 'retrieve-headers)
388 articles (gnus-group-real-name group)
389 (nth 1 gnus-command-method) fetch-old)))))
391 (defun gnus-retrieve-articles (articles group)
392 "Request ARTICLES in GROUP."
393 (let ((gnus-command-method (gnus-find-method-for-group group)))
394 (funcall (gnus-get-function gnus-command-method 'retrieve-articles)
395 articles (gnus-group-real-name group)
396 (nth 1 gnus-command-method))))
398 (defun gnus-retrieve-groups (groups gnus-command-method)
399 "Request active information on GROUPS from GNUS-COMMAND-METHOD."
400 (when (stringp gnus-command-method)
401 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
402 (funcall (gnus-get-function gnus-command-method 'retrieve-groups)
403 groups (nth 1 gnus-command-method)))
405 (defun gnus-request-type (group &optional article)
406 "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
407 (let ((gnus-command-method (gnus-find-method-for-group group)))
408 (if (not (gnus-check-backend-function
409 'request-type (car gnus-command-method)))
411 (funcall (gnus-get-function gnus-command-method 'request-type)
412 (gnus-group-real-name group) article))))
414 (defun gnus-request-set-mark (group action)
415 "Set marks on articles in the back end."
416 (let ((gnus-command-method (gnus-find-method-for-group group)))
417 (if (not (gnus-check-backend-function
418 'request-set-mark (car gnus-command-method)))
420 (funcall (gnus-get-function gnus-command-method 'request-set-mark)
421 (gnus-group-real-name group) action
422 (nth 1 gnus-command-method)))))
424 (defun gnus-request-update-mark (group article mark)
425 "Allow the back end to change the mark the user tries to put on an article."
426 (let ((gnus-command-method (gnus-find-method-for-group group)))
427 (if (not (gnus-check-backend-function
428 'request-update-mark (car gnus-command-method)))
430 (funcall (gnus-get-function gnus-command-method 'request-update-mark)
431 (gnus-group-real-name group) article mark))))
433 (defun gnus-request-article (article group &optional buffer)
434 "Request the ARTICLE in GROUP.
435 ARTICLE can either be an article number or an article Message-ID.
436 If BUFFER, insert the article in that group."
437 (let ((gnus-command-method (gnus-find-method-for-group group)))
438 (funcall (gnus-get-function gnus-command-method 'request-article)
439 article (gnus-group-real-name group)
440 (nth 1 gnus-command-method) buffer)))
442 (defun gnus-request-head (article group)
443 "Request the head of ARTICLE in GROUP."
444 (let* ((gnus-command-method (gnus-find-method-for-group group))
445 (head (gnus-get-function gnus-command-method 'request-head t))
451 (gnus-cache-request-article article group))
452 (setq res (cons group article)
454 ;; Check the agent cache.
455 ((gnus-agent-request-article article group)
456 (setq res (cons group article)
458 ;; Use `head' function.
460 (setq res (funcall head article (gnus-group-real-name group)
461 (nth 1 gnus-command-method))))
462 ;; Use `article' function.
464 (setq res (gnus-request-article article group)
468 (set-buffer nntp-server-buffer)
469 (goto-char (point-min))
470 (when (search-forward "\n\n" nil t)
471 (delete-region (1- (point)) (point-max)))
472 (nnheader-fold-continuation-lines)))
475 (defun gnus-request-body (article group)
476 "Request the body of ARTICLE in GROUP."
477 (let* ((gnus-command-method (gnus-find-method-for-group group))
478 (head (gnus-get-function gnus-command-method 'request-body t))
484 (gnus-cache-request-article article group))
485 (setq res (cons group article)
487 ;; Check the agent cache.
488 ((gnus-agent-request-article article group)
489 (setq res (cons group article)
491 ;; Use `head' function.
493 (setq res (funcall head article (gnus-group-real-name group)
494 (nth 1 gnus-command-method))))
495 ;; Use `article' function.
497 (setq res (gnus-request-article article group)
501 (set-buffer nntp-server-buffer)
502 (goto-char (point-min))
503 (when (search-forward "\n\n" nil t)
504 (delete-region (point-min) (1- (point))))))
507 (defun gnus-request-post (gnus-command-method)
508 "Post the current buffer using GNUS-COMMAND-METHOD."
509 (when (stringp gnus-command-method)
510 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
511 (funcall (gnus-get-function gnus-command-method 'request-post)
512 (nth 1 gnus-command-method)))
514 (defun gnus-request-scan (group gnus-command-method)
515 "Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD.
516 If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned."
517 (let ((gnus-command-method
518 (if group (gnus-find-method-for-group group) gnus-command-method))
519 (gnus-inhibit-demon t)
520 (mail-source-plugged gnus-plugged))
521 (when (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
522 (setq gnus-internal-registry-spool-current-method gnus-command-method)
523 (funcall (gnus-get-function gnus-command-method 'request-scan)
524 (and group (gnus-group-real-name group))
525 (nth 1 gnus-command-method)))))
527 (defsubst gnus-request-update-info (info gnus-command-method)
528 "Request that GNUS-COMMAND-METHOD update INFO."
529 (when (stringp gnus-command-method)
530 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
531 (when (gnus-check-backend-function
532 'request-update-info (car gnus-command-method))
533 (let ((group (gnus-info-group info)))
534 (and (funcall (gnus-get-function gnus-command-method
535 'request-update-info)
536 (gnus-group-real-name group)
537 info (nth 1 gnus-command-method))
538 ;; If the minimum article number is greater than 1, then all
539 ;; smaller article numbers are known not to exist; we'll
540 ;; artificially add those to the 'read range.
541 (let* ((active (gnus-active group))
544 (let* ((range (if (= min 2) 1 (cons 1 (1- min))))
545 (read (gnus-info-read info))
546 (new-read (gnus-range-add read (list range))))
547 (gnus-info-set-read info new-read)))
550 (defun gnus-request-expire-articles (articles group &optional force)
551 (let* ((gnus-command-method (gnus-find-method-for-group group))
554 (gnus-get-function gnus-command-method 'request-expire-articles)
555 articles (gnus-group-real-name group) (nth 1 gnus-command-method)
557 (when (and gnus-agent
558 (gnus-agent-method-p gnus-command-method))
559 (let ((expired-articles (gnus-sorted-difference articles not-deleted)))
560 (when expired-articles
561 (gnus-agent-expire expired-articles group 'force))))
564 (defun gnus-request-move-article (article group server accept-function
566 (let* ((gnus-command-method (gnus-find-method-for-group group))
567 (result (funcall (gnus-get-function gnus-command-method
568 'request-move-article)
569 article (gnus-group-real-name group)
570 (nth 1 gnus-command-method) accept-function last)))
571 (when (and result gnus-agent
572 (gnus-agent-method-p gnus-command-method))
573 (gnus-agent-expire (list article) group 'force))
576 (defun gnus-request-accept-article (group &optional gnus-command-method last
578 ;; Make sure there's a newline at the end of the article.
579 (when (stringp gnus-command-method)
580 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
581 (when (and (not gnus-command-method)
583 (setq gnus-command-method (or (gnus-find-method-for-group group)
584 (gnus-group-name-to-method group))))
585 (goto-char (point-max))
588 (let ((gnus-command-method (or gnus-command-method
589 (gnus-find-method-for-group group)))
592 (gnus-get-function gnus-command-method 'request-accept-article)
593 (if (stringp group) (gnus-group-real-name group) group)
594 (cadr gnus-command-method)
596 (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
597 (gnus-agent-regenerate-group group (list (cdr result))))
600 (defun gnus-request-replace-article (article group buffer &optional no-encode)
601 (let* ((func (car (gnus-group-name-to-method group)))
602 (result (funcall (intern (format "%s-request-replace-article" func))
603 article (gnus-group-real-name group) buffer)))
604 (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
605 (gnus-agent-regenerate-group group (list article)))
608 (defun gnus-request-associate-buffer (group)
609 (let ((gnus-command-method (gnus-find-method-for-group group)))
610 (funcall (gnus-get-function gnus-command-method 'request-associate-buffer)
611 (gnus-group-real-name group))))
613 (defun gnus-request-restore-buffer (article group)
614 "Request a new buffer restored to the state of ARTICLE."
615 (let ((gnus-command-method (gnus-find-method-for-group group)))
616 (funcall (gnus-get-function gnus-command-method 'request-restore-buffer)
617 article (gnus-group-real-name group)
618 (nth 1 gnus-command-method))))
620 (defun gnus-request-create-group (group &optional gnus-command-method args)
621 (when (stringp gnus-command-method)
622 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
623 (let ((gnus-command-method
624 (or gnus-command-method (gnus-find-method-for-group group))))
625 (funcall (gnus-get-function gnus-command-method 'request-create-group)
626 (gnus-group-real-name group) (nth 1 gnus-command-method) args)))
628 (defun gnus-request-delete-group (group &optional force)
629 (let* ((gnus-command-method (gnus-find-method-for-group group))
631 (funcall (gnus-get-function gnus-command-method 'request-delete-group)
632 (gnus-group-real-name group) force (nth 1 gnus-command-method))))
634 (gnus-cache-delete-group group)
635 (gnus-agent-delete-group group))
638 (defun gnus-request-rename-group (group new-name)
639 (let* ((gnus-command-method (gnus-find-method-for-group group))
641 (funcall (gnus-get-function gnus-command-method 'request-rename-group)
642 (gnus-group-real-name group)
643 (gnus-group-real-name new-name) (nth 1 gnus-command-method))))
645 (gnus-cache-rename-group group new-name)
646 (gnus-agent-rename-group group new-name))
649 (defun gnus-close-backends ()
650 ;; Send a close request to all backends that support such a request.
651 (let ((methods gnus-valid-select-methods)
652 (gnus-inhibit-demon t)
653 func gnus-command-method)
654 (while (setq gnus-command-method (pop methods))
655 (when (fboundp (setq func (intern
656 (concat (car gnus-command-method)
660 (defun gnus-asynchronous-p (gnus-command-method)
661 (let ((func (gnus-get-function gnus-command-method 'asynchronous-p t)))
665 (defun gnus-remove-denial (gnus-command-method)
666 (when (stringp gnus-command-method)
667 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
668 (let* ((elem (assoc gnus-command-method gnus-opened-servers))
669 (status (cadr elem)))
670 ;; If this hasn't been opened before, we add it to the list.
671 (when (eq status 'denied)
672 ;; Set the status of this server.
673 (setcar (cdr elem) 'closed))))
677 ;;; gnus-int.el ends here