;;; nntp.el --- nntp access for Gnus
-;;; Copyright (C) 1987-90,92-97 Free Software Foundation, Inc.
+;;; Copyright (C) 1987-90,92-99 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"
The default is \"rsh\", but \"ssh\" is a popular alternative.")
(defvoo nntp-rlogin-parameters '("telnet" "-8" "${NNTPSERVER:=news}" "nntp")
- "*Parameters to `nntp-open-login'.
+ "*Parameters to `nntp-open-rlogin'.
That function may be used as `nntp-open-connection-function'. In that
case, this list will be used as the parameter list given to rsh.")
(defvoo nntp-rlogin-user-name nil
"*User name on remote system when using the rlogin connect method.")
-(defvoo nntp-telnet-parameters '("exec" "telnet" "-8" "${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
If the gap between two consecutive articles is bigger than this
variable, split the XOVER request into two requests.")
-(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.")
-
(defvoo nntp-prepare-server-hook nil
"*Hook run before a server is opened.
If can be used to set up a server remotely, for instance. Say you
have an account at the machine \"other.machine\". This machine has
access to an NNTP server that you can't access locally. You could
then use this hook to rsh to the remote machine and start a proxy NNTP
-server there that you can connect to. See also `nntp-open-connection-function'")
+server there that you can connect to. See also
+`nntp-open-connection-function'")
(defvoo nntp-warn-about-losing-connection t
"*If non-nil, beep when a server closes connection.")
"*Coding system to read from NNTP.")
(defvoo nntp-coding-system-for-write 'binary
- "*Coding system to write to NNTP.")
+ "*Coding system to write to NNTP.")
+
+(defcustom nntp-authinfo-file "~/.authinfo"
+ ".netrc-like file that holds nntp authinfo passwords."
+ :type
+ '(choice file
+ (repeat :tag "Entries"
+ :menu-tag "Inline"
+ (list :format "%v"
+ :value ("" ("login" . "") ("password" . ""))
+ (string :tag "Host")
+ (checklist :inline t
+ (cons :format "%v"
+ (const :format "" "login")
+ (string :format "Login: %v"))
+ (cons :format "%v"
+ (const :format "" "password")
+ (string :format "Password: %v")))))))
\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.")
+
;;; Internal variables.
+(defvar nntp-record-commands nil
+ "*If non-nil, nntp will record all commands in the \"*nntp-log*\" buffer.")
+
(defvar nntp-have-messaged nil)
(defvar nntp-process-wait-for 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
(defsubst nntp-send-string (process string)
"Send STRING to PROCESS."
+ ;; We need to store the time to provide timeouts, and
+ ;; to store the command so the we can replay the command
+ ;; if the server gives us an AUTHINFO challenge.
(setq nntp-last-command-time (current-time)
nntp-last-command string)
+ (when nntp-record-commands
+ (nntp-record-command string))
(process-send-string process (concat string nntp-end-of-line)))
+(defun nntp-record-command (string)
+ "Record the command STRING."
+ (save-excursion
+ (set-buffer (get-buffer-create "*nntp-log*"))
+ (goto-char (point-max))
+ (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."
(save-excursion
(set-buffer (process-buffer process))
(goto-char (point-min))
- (while (or (not (memq (char-after (point)) '(?2 ?3 ?4 ?5)))
- (looking-at "480"))
+ (while (and (or (not (memq (char-after (point)) '(?2 ?3 ?4 ?5)))
+ (looking-at "480"))
+ (memq (process-status process) '(open run)))
(when (looking-at "480")
(nntp-handle-authinfo process))
(nntp-accept-process-output process)
(goto-char (point-min)))
(prog1
- (if (looking-at "[45]")
- (progn
- (nntp-snarf-error-message)
- nil)
+ (cond
+ ((looking-at "[45]")
+ (progn
+ (nntp-snarf-error-message)
+ nil))
+ ((not (memq (process-status process) '(open run)))
+ (nnheader-report 'nntp "Server closed connection"))
+ (t
(goto-char (point-max))
(let ((limit (point-min)))
(while (not (re-search-backward wait-for limit t))
(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 ""))
- t)))
+ (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)
(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))))
((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)))
+ (nntp-async-wait process wait-for buffer decode callback)
t)
(wait-for
(nntp-wait-for process wait-for buffer decode))
(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."
(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))))
+ (when (nntp-find-connection-buffer nntp-server-buffer)
+ (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))
+ ;; 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)))
- (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.
+ ;; Now all replies are received. We remove CRs.
(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))
+ (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))
(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))))
(deffoo nntp-close-server (&optional server)
(nntp-possibly-change-group nil server t)
- (let (process)
- (while (setq process (car (pop nntp-connection-alist)))
+ (let ((process (nntp-find-connection nntp-server-buffer)))
+ (while process
(when (memq (process-status process) '(open run))
- (set-process-sentinel process nil)
(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)))
(deffoo nntp-request-close ()
(let (process)
(while (setq process (pop nntp-connection-list))
(when (memq (process-status process) '(open run))
- (set-process-sentinel process nil)
(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)))))
(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 ()
+(defun nntp-send-authinfo (&optional send-if-force)
"Send the AUTHINFO to the nntp server.
-This function is supposed to be called from `nntp-server-opened-hook'.
-It will look in the \"~/.netrc\" file for matching entries. If
+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."
- (let* ((list (gnus-parse-netrc "~/.netrc"))
+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))
- (user (gnus-netrc-get alist "login"))
+ (force (gnus-netrc-get alist "force"))
+ (user (or (gnus-netrc-get alist "login") nntp-authinfo-user))
(passwd (gnus-netrc-get alist "password")))
- (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)))))))
+ (when (or (not send-if-force)
+ force)
+ (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.
-This function is supposed to be called from `nntp-server-opened-hook'.
-It will prompt for a password."
- (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)))
+ "Send the AUTHINFO to the nntp server."
+ (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.
-This function is supposed to be called from `nntp-server-opened-hook'.
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))
(generate-new-buffer
(format " *server %s %s %s*"
nntp-address nntp-port-number
- (buffer-name (get-buffer buffer)))))
- (buffer-disable-undo (current-buffer))
+ (gnus-buffer-exists-p 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)
(defun nntp-open-connection (buffer)
"Open a connection to PORT on ADDRESS delivering output to BUFFER."
- (gnus-run-hooks 'nntp-prepare-server-hook)
+ (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
+ (when timer
+ (nnheader-cancel-timer timer))
+ (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))
(erase-buffer)
(set-buffer nntp-server-buffer)
(let ((nnheader-callback-function nil))
- (gnus-run-hooks 'nntp-server-opened-hook))))
- (when (buffer-name (process-buffer process))
- (kill-buffer (process-buffer process)))
+ (run-hooks 'nntp-server-opened-hook)
+ (nntp-send-authinfo t))))
+ (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))
- (when (buffer-name (get-buffer nntp-process-to-buffer))
- (let ((cur (current-buffer))
- (start nntp-process-start-point))
+(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.
+ (when (gnus-buffer-exists-p nntp-process-to-buffer)
+ (let ((buf (current-buffer))
+ (start nntp-process-start-point)
+ (decode nntp-process-decode))
(save-excursion
- (set-buffer (get-buffer nntp-process-to-buffer))
+ (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))))))
(goto-char (point-min))
(while (not (eobp))
(end-of-line)
- (insert "\r")
- (forward-line 1))))
+ (delete-char 1)
+ (insert nntp-end-of-line))))
(defun nntp-retrieve-headers-with-xover (articles &optional fetch-old)
(set-buffer nntp-server-buffer)
(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)
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"))
(apply 'start-process
"nntpd" buffer nntp-rlogin-program nntp-address
nntp-rlogin-parameters))))
- (set-buffer buffer)
- (nntp-wait-for-string "^\r*20[01]")
- (beginning-of-line)
- (delete-region (point-min) (point))
- proc))
+ (save-excursion
+ (set-buffer buffer)
+ (nntp-wait-for-string "^\r*20[01]")
+ (beginning-of-line)
+ (delete-region (point-min) (point))
+ proc)))
(defun nntp-find-group-and-number ()
(save-excursion
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