;;; nntp.el --- nntp access for Gnus
-;;; Copyright (C) 1987-90,92-97 Free Software Foundation, Inc.
+;; Copyright (C) 1987, 1988, 1989, 1990, 1992, 1993, 1994, 1995, 1996,
+;; 1997, 1998, 2000
+;; Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
(nnoo-declare nntp)
-(eval-and-compile
- (unless (fboundp 'open-network-stream)
- (require 'tcp)))
-
(eval-when-compile (require 'cl))
(defvoo nntp-address nil
(defvoo nntp-server-opened-hook '(nntp-send-mode-reader)
"*Hook used for sending commands to the server at startup.
The default value is `nntp-send-mode-reader', which makes an innd
-server spawn an nnrpd server. Another useful function to put in this
-hook might be `nntp-send-authinfo', which will prompt for a password
-to allow posting from the server. Note that this is only necessary to
-do on servers that use strict access control.")
+server spawn an nnrpd server.")
(defvoo nntp-authinfo-function 'nntp-send-authinfo
- "Function used to send AUTHINFO to the server.")
+ "Function used to send AUTHINFO to the server.
+It is called with no parameters.")
(defvoo nntp-server-action-alist
- '(("nntpd 1\\.5\\.11t"
- (remove-hook 'nntp-server-opened-hook 'nntp-send-mode-reader))
- ("NNRP server Netscape"
- (setq nntp-server-list-active-group nil)))
+ '(("nntpd 1\\.5\\.11t"
+ (remove-hook 'nntp-server-opened-hook 'nntp-send-mode-reader))
+ ("NNRP server Netscape"
+ (setq nntp-server-list-active-group nil)))
"Alist of regexps to match on server types and actions to be taken.
For instance, if you want Gnus to beep every time you connect
to innd, you could say something like:
(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
\f
+(defvoo nntp-connection-timeout nil
+ "*Number of seconds to wait before an nntp connection times out.
+If this variable is nil, which is the default, no timers are set.
+NOTE: This variable is never seen to work in Emacs 20 and XEmacs 21.")
+
;;; Internal variables.
(defvar nntp-record-commands nil
(defvoo nntp-last-command-time nil)
(defvoo nntp-last-command nil)
(defvoo nntp-authinfo-password nil)
+(defvoo nntp-authinfo-user nil)
(defvar nntp-connection-list nil)
(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 'nnmail-read-passwd "nnmail"))
+ (autoload 'mail-source-read-passwd "mail-source")
+ (autoload 'open-ssl-stream "ssl"))
\f
(save-excursion
(set-buffer (get-buffer-create "*nntp-log*"))
(goto-char (point-max))
- (insert (format-time-string "%Y%m%dT%H%M%S" (current-time))
- " " nntp-address " " string "\n")))
+ (let ((time (current-time)))
+ (insert (format-time-string "%Y%m%dT%H%M%S" time)
+ "." (format "%03d" (/ (nth 2 time) 1000))
+ " " nntp-address " " string "\n"))))
(defsubst nntp-wait-for (process wait-for buffer &optional decode discard)
"Wait for WAIT-FOR to arrive from PROCESS."
(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)
- (message ""))
+ (nnheader-message 5 ""))
t))))
(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)
(buffer (if (stringp buffer) (get-buffer buffer) buffer))
process entry)
- (while (setq entry (pop alist))
+ (while (and alist (setq entry (pop alist)))
(when (eq buffer (cadr entry))
(setq process (car entry)
alist nil)))
(when process
(if (memq (process-status process) '(open run))
process
- (when (buffer-name (process-buffer process))
- (kill-buffer (process-buffer process)))
+ (nntp-kill-buffer (process-buffer process))
(setq nntp-connection-alist (delq entry nntp-connection-alist))
nil))))
(save-excursion
(set-buffer (process-buffer process))
(erase-buffer)))
- (when command
- (nntp-send-string process command))
- (cond
- ((eq callback 'ignore)
- t)
- ((and callback wait-for)
- (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))
- (t t)))))
+ (condition-case err
+ (progn
+ (when command
+ (nntp-send-string process command))
+ (cond
+ ((eq callback 'ignore)
+ t)
+ ((and callback wait-for)
+ (nntp-async-wait process wait-for buffer decode callback)
+ t)
+ (wait-for
+ (nntp-wait-for process wait-for buffer decode))
+ (t t)))
+ (error
+ (nnheader-report 'nntp "Couldn't open connection to %s: %s"
+ address err))
+ (quit
+ (message "Quit retrieving data from nntp")
+ (signal 'quit nil)
+ nil)))))
(defsubst nntp-send-command (wait-for &rest strings)
"Send STRINGS to server and wait until WAIT-FOR returns."
(nnoo-define-basics nntp)
(defsubst nntp-next-result-arrived-p ()
- (let ((point (point)))
- (cond
- ((eq (following-char) ?2)
- (if (re-search-forward "\n\\.\r?\n" nil t)
- t
- (goto-char point)
- nil))
- ((looking-at "[34]")
- (forward-line 1)
- t)
- (t
- nil))))
+ (cond
+ ;; A result that starts with a 2xx code is terminated by
+ ;; a line with only a "." on it.
+ ((eq (char-after) ?2)
+ (if (re-search-forward "\n\\.\r?\n" nil t)
+ t
+ nil))
+ ;; A result that starts with a 3xx or 4xx code is terminated
+ ;; by a newline.
+ ((looking-at "[34]")
+ (if (search-forward "\n" nil t)
+ t
+ nil))
+ ;; No result here.
+ (t
+ nil)))
(deffoo nntp-retrieve-headers (articles &optional group server fetch-old)
"Retrieve the headers of ARTICLES."
(nntp-inhibit-erase t)
article)
;; Send HEAD commands.
- (while (setq article (pop articles))
- (nntp-send-command
- nil
- "HEAD" (if (numberp article)
- (int-to-string article)
- ;; `articles' is either a list of article numbers
- ;; or a list of article IDs.
- article))
- (incf 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)
- (while (progn
- (set-buffer buf)
- (goto-char last-point)
- ;; Count replies.
- (while (nntp-next-result-arrived-p)
- (setq last-point (point))
- (incf received))
- (< received count))
- ;; If number of headers is greater than 100, give
- ;; informative messages.
- (and (numberp nntp-large-newsgroup)
- (> number nntp-large-newsgroup)
- (zerop (% received 20))
- (nnheader-message 6 "NNTP: Receiving headers... %d%%"
- (/ (* received 100) number)))
- (nntp-accept-response))))
+ (while (setq article (pop articles))
+ (nntp-send-command
+ nil
+ "HEAD" (if (numberp article)
+ (int-to-string article)
+ ;; `articles' is either a list of article numbers
+ ;; or a list of article IDs.
+ article))
+ (incf 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)
+ (while (progn
+ (set-buffer buf)
+ (goto-char last-point)
+ ;; Count replies.
+ (while (nntp-next-result-arrived-p)
+ (setq last-point (point))
+ (incf received))
+ (< received count))
+ ;; If number of headers is greater than 100, give
+ ;; informative messages.
+ (and (numberp nntp-large-newsgroup)
+ (> number nntp-large-newsgroup)
+ (zerop (% received 20))
+ (nnheader-message 6 "NNTP: Receiving headers... %d%%"
+ (/ (* received 100) number)))
+ (nntp-accept-response))))
(and (numberp nntp-large-newsgroup)
(> number nntp-large-newsgroup)
(nnheader-message 6 "NNTP: Receiving headers...done"))
(deffoo nntp-retrieve-groups (groups &optional server)
"Retrieve group info on GROUPS."
(nntp-possibly-change-group nil server)
- (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 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))
+ (when (nntp-find-connection-buffer nntp-server-buffer)
+ (save-excursion
+ ;; Erase nntp-server-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)
+ (buf (nntp-find-connection-buffer nntp-server-buffer))
+ (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 (and (gnus-buffer-live-p buf)
+ (progn
+ ;; Search `blue moon' in this file for the
+ ;; reason why set-buffer here.
+ (set-buffer buf)
+ (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))))
- (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.
+ ;; Wait for the reply from the final command.
+ (unless (gnus-buffer-live-p buf)
+ (error
+ (nnheader-report 'nntp "Connection to %s is closed." server)))
+ (set-buffer buf)
+ (goto-char (point-max))
+ (re-search-backward "^[0-9]" nil t)
+ (when (looking-at "^[23]")
+ (while (and (gnus-buffer-live-p buf)
+ (progn
+ (set-buffer buf)
+ (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.
+ (unless (gnus-buffer-live-p buf)
+ (error
+ (nnheader-report 'nntp "Connection to %s is closed." server)))
+ (set-buffer buf)
(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 (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)))))
(deffoo nntp-retrieve-articles (articles &optional group server)
(nntp-possibly-change-group group server)
(nntp-inhibit-erase t)
(map (apply 'vector articles))
(point 1)
- article alist)
+ article)
(set-buffer buf)
(erase-buffer)
;; Send ARTICLE command.
(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,
- ;; washes it and copies it over to the server buffer.
+ ;; wash it and copy it over to the server buffer.
(set-buffer nntp-server-buffer)
(erase-buffer)
(setq last-point (point-min))
(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" "LIST ACTIVE" group))
+ (nntp-send-command "^\\.*\r?\n" "LISTGROUP" group))
(deffoo nntp-request-article (article &optional group server buffer command)
(nntp-possibly-change-group group server)
(deffoo nntp-request-group (group &optional server dont-check)
(nntp-possibly-change-group nil server)
- (when (nntp-send-command "^21.*\n" "GROUP" group)
+ (when (nntp-send-command "^[245].*\n" "GROUP" group)
(let ((entry (nntp-find-connection-entry nntp-server-buffer)))
(setcar (cddr entry) group))))
(ignore-errors
(nntp-send-string process "QUIT")
(unless (eq nntp-open-connection-function 'nntp-open-network-stream)
+ ;; 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.
(sleep-for 1))))
- (when (buffer-name (process-buffer process))
- (kill-buffer (process-buffer process)))
+ (nntp-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))))
- (when (buffer-name (process-buffer process))
- (kill-buffer (process-buffer process))))))
+ (nntp-kill-buffer (process-buffer process)))))
(deffoo nntp-request-list (&optional server)
(nntp-possibly-change-group nil server)
(nntp-possibly-change-group nil server)
(save-excursion
(set-buffer nntp-server-buffer)
- (let* ((date (timezone-parse-date date))
- (time-string
- (format "%s%02d%02d %s%s%s"
- (substring (aref date 0) 2) (string-to-int (aref date 1))
- (string-to-int (aref date 2)) (substring (aref date 3) 0 2)
- (substring
- (aref date 3) 3 5) (substring (aref date 3) 6 8))))
- (prog1
- (nntp-send-command "^\\.\r?\n" "NEWGROUPS" time-string)
- (nntp-decode-text)))))
+ (prog1
+ (nntp-send-command
+ "^\\.\r?\n" "NEWGROUPS"
+ (format-time-string "%y%m%d %H%M%S" (date-to-time date)))
+ (nntp-decode-text))))
(deffoo nntp-request-post (&optional server)
(nntp-possibly-change-group nil 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 "^.*\r?\n" "MODE READER"))
+ (nntp-send-command "^.*\n" "MODE READER"))
(defun nntp-send-authinfo (&optional send-if-force)
"Send the AUTHINFO to the nntp server.
It will look in the \"~/.authinfo\" file for matching entries. If
nothing suitable is found there, it will prompt for a user name
-and a password."
+and a password.
+
+If SEND-IF-FORCE, only send authinfo to the server if the
+.authinfo file has the FORCE token."
(let* ((list (gnus-parse-netrc nntp-authinfo-file))
- (alist (gnus-netrc-machine list nntp-address))
+ (alist (gnus-netrc-machine list nntp-address "nntp"))
(force (gnus-netrc-get alist "force"))
- (user (gnus-netrc-get alist "login"))
+ (user (or (gnus-netrc-get alist "login") nntp-authinfo-user))
(passwd (gnus-netrc-get alist "password")))
(when (or (not send-if-force)
force)
- (nntp-send-command
- "^3.*\r?\n" "AUTHINFO USER"
- (or user (read-string (format "NNTP (%s) user name: " nntp-address))))
- (nntp-send-command
- "^2.*\r?\n" "AUTHINFO PASS"
- (or passwd
- nntp-authinfo-password
- (setq nntp-authinfo-password
- (nnmail-read-passwd (format "NNTP (%s) password: "
- nntp-address))))))))
+ (unless user
+ (setq user (read-string (format "NNTP (%s) user name: " nntp-address))
+ nntp-authinfo-user user))
+ (unless (member user '(nil ""))
+ (nntp-send-command "^3.*\r?\n" "AUTHINFO USER" user)
+ (when t ;???Should check if AUTHINFO succeeded
+ (nntp-send-command
+ "^2.*\r?\n" "AUTHINFO PASS"
+ (or passwd
+ nntp-authinfo-password
+ (setq nntp-authinfo-password
+ (mail-source-read-passwd
+ (format "NNTP (%s@%s) password: "
+ user nntp-address))))))))))
(defun nntp-send-nosy-authinfo ()
"Send the AUTHINFO to the nntp server."
- (nntp-send-command
- "^3.*\r?\n" "AUTHINFO USER"
- (read-string (format "NNTP (%s) user name: " nntp-address)))
- (nntp-send-command
- "^2.*\r?\n" "AUTHINFO PASS"
- (nnmail-read-passwd "NNTP (%s) password: " nntp-address)))
+ (let ((user (read-string (format "NNTP (%s) user name: " nntp-address))))
+ (unless (member user '(nil ""))
+ (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: "
+ user nntp-address))))))
(defun nntp-send-authinfo-from-file ()
"Send the AUTHINFO to the nntp server.
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")
- (nnheader-temp-write nil
+ (with-temp-buffer
(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))))
- (buffer-disable-undo (current-buffer))
+ (mm-enable-multibyte)
(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
+ (nnheader-run-at-time
+ nntp-connection-timeout nil
+ `(lambda ()
+ (nntp-kill-buffer ,pbuffer)))))
(process
(condition-case ()
- (let ((coding-system-for-read nntp-coding-system-for-read))
+ (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))
(error nil)
- (quit nil))))
- (when process
+ (quit
+ (message "Quit opening connection")
+ (nntp-kill-buffer pbuffer)
+ (signal 'quit nil)
+ nil))))
+ (when timer
+ (nnheader-cancel-timer timer))
+ (unless process
+ (nntp-kill-buffer pbuffer))
+ (when (and (buffer-name pbuffer)
+ process)
(process-kill-without-query process)
(nntp-wait-for process "^.*\n" buffer nil t)
(if (memq (process-status process) '(open run))
(let ((nnheader-callback-function nil))
(run-hooks 'nntp-server-opened-hook)
(nntp-send-authinfo t))))
- (when (buffer-name (process-buffer process))
- (kill-buffer (process-buffer process)))
+ (nntp-kill-buffer (process-buffer process))
nil))))
(defun nntp-open-network-stream (buffer)
(open-network-stream "nntpd" buffer nntp-address nntp-port-number))
+(defun nntp-open-ssl-stream (buffer)
+ (let* ((ssl-program-arguments '("-connect" (concat host ":" service)))
+ (proc (open-ssl-stream "nntpd" buffer nntp-address nntp-port-number)))
+ (save-excursion
+ (set-buffer buffer)
+ (nntp-wait-for-string "^\r*20[01]")
+ (beginning-of-line)
+ (delete-region (point-min) (point))
+ proc)))
+
(defun nntp-read-server-type ()
"Find out what the name of the server we have connected to is."
;; Wait for the status string to arrive.
(eval (cadr entry))
(funcall (cadr entry)))))))
-(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))
+(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 process)
+ ;; 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.
(when (gnus-buffer-exists-p nntp-process-to-buffer)
- (let ((cur (current-buffer))
- (start nntp-process-start-point))
+ (let ((buf (current-buffer))
+ (start nntp-process-start-point)
+ (decode nntp-process-decode))
(save-excursion
(set-buffer nntp-process-to-buffer)
(goto-char (point-max))
- (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))))))))))
+ (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)))
(defun nntp-snarf-error-message ()
"Save the error message in the current buffer."
(nnheader-report 'nntp message)
message))
-(defun nntp-accept-process-output (process)
+(defun nntp-accept-process-output (process &optional timeout)
"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 1)))
+ (accept-process-output process (or timeout 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-string (car entry) (concat "GROUP " group))
- (nntp-wait-for-string "^2.*\n")
+ (nntp-send-command "^[245].*\n" "GROUP" group)
(setcar (cddr entry) group)
(erase-buffer))))))
(delete-char 2))
;; Delete status line.
(goto-char (point-min))
- (delete-region (point) (progn (forward-line 1) (point)))
+ (while (looking-at "[1-5][0-9][0-9] .*\n")
+ ;; For some unknown reason, there is more than one status line.
+ (delete-region (point) (progn (forward-line 1) (point))))
;; Remove "." -> ".." encoding.
(while (search-forward "\n.." nil t)
(delete-char -1))))
(while (not (eobp))
(end-of-line)
(delete-char 1)
- (insert nntp-end-of-line)
- (forward-line 1))
- (forward-char -1)
- (unless (eq (char-after (1- (point))) ?\r)
- (insert "\r"))))
+ (insert nntp-end-of-line))))
(defun nntp-retrieve-headers-with-xover (articles &optional fetch-old)
(set-buffer nntp-server-buffer)
(car (last articles)) 'wait)
(goto-char (point-min))
- (when (looking-at "[1-5][0-9][0-9] ")
+ (when (looking-at "[1-5][0-9][0-9] .*\n")
(delete-region (point) (progn (forward-line 1) (point))))
(while (search-forward "\r" nil t)
(replace-match "" t t))
((numberp nntp-nov-gap)
(let ((count 0)
(received 0)
- (last-point (point-min))
+ last-point
+ in-process-buffer-p
(buf nntp-server-buffer)
- ;;(process-buffer (nntp-find-connection (current-buffer))))
+ (process-buffer (nntp-find-connection-buffer nntp-server-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)))
- (when (nntp-send-xover-command first (car articles))
- (setq articles (cdr articles)
- count (1+ count))
-
+ (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))
+
;; 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)))
- (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 buf)
+
+ (nntp-accept-response)
+ ;; 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)
(while (progn
- (goto-char last-point)
+ (goto-char (or last-point (point-min)))
;; Count replies.
- (while (re-search-forward "^[0-9][0-9][0-9] " nil t)
- (setq received (1+ received)))
+ (while (re-search-forward "^[0-9][0-9][0-9] .*\n" nil t)
+ (incf received))
(setq last-point (point))
(< received count))
- (accept-process-output)
- (set-buffer buf)))))
+ (nntp-accept-response)
+ (set-buffer process-buffer))
+ (set-buffer buf))))
(when nntp-server-xover
- ;; 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)))
+ (when in-process-buffer-p
+ (set-buffer process-buffer)
+ ;; Wait for the reply from the final command.
+ (goto-char (point-max))
+ (while (not (re-search-backward "^[0-9][0-9][0-9] " nil t))
+ (nntp-accept-response)
+ (set-buffer process-buffer)
+ (goto-char (point-max)))
+ (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))
;; 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 "\r?\n\\.\r?\n" nntp-server-xover range))
+ (nntp-send-command-nodelete nil 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.
"nntpd" buffer nntp-telnet-command nntp-telnet-switches))
(case-fold-search t))
(when (memq (process-status proc) '(open run))
+ (nntp-wait-for-string "^r?telnet")
(process-send-string proc "set escape \^X\n")
(cond
((and nntp-open-telnet-envuser nntp-telnet-user-name)
proc (concat
(or nntp-telnet-passwd
(setq nntp-telnet-passwd
- (nnmail-read-passwd "Password: ")))
+ (mail-source-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"))
(beginning-of-line)
(delete-region (point-min) (point))
(process-send-string proc "\^]")
- (nntp-wait-for-string "^telnet")
+ (nntp-wait-for-string "^r?telnet")
(process-send-string proc "mode character\n")
(accept-process-output proc 1)
(sit-for 1)
projects / gnus / blobdiff