;;; nntp.el --- nntp access for Gnus
-;; Copyright (C) 1987, 1988, 1989, 1990, 1992, 1993, 1994, 1995, 1996,
-;; 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
-;; 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1987-1990, 1992-1998, 2000-2011
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(require 'nnoo)
(require 'gnus-util)
(require 'gnus)
+(require 'proto-stream)
(require 'gnus-group) ;; gnus-group-name-charset
(nnoo-declare nntp)
Direct connections:
- `nntp-open-network-stream' (the default),
+- `network-only' (the same as the above, but don't do automatic
+ STARTTLS upgrades).
- `nntp-open-ssl-stream',
- `nntp-open-tls-stream',
- `nntp-open-netcat-stream'.
(defvar nntp-async-timer nil)
(defvar nntp-async-process-list nil)
-(defvar nntp-ssl-program
- "openssl s_client -quiet -ssl3 -connect %s:%p"
-"A string containing commands for SSL connections.
-Within a string, %s is replaced with the server address and %p with
-port number on server. The program should accept IMAP commands on
-stdin and return responses to stdout.")
-
(defvar nntp-authinfo-rejected nil
"A custom error condition used to report 'Authentication Rejected' errors.
Condition handlers that match just this condition ensure that the nntp
(cond ((looking-at "480")
(nntp-handle-authinfo process))
((looking-at "482")
- (nnheader-report 'nntp (get 'nntp-authinfo-rejected 'error-message))
+ (nnheader-report 'nntp "%s"
+ (get 'nntp-authinfo-rejected 'error-message))
(signal 'nntp-authinfo-rejected nil))
((looking-at "^.*\n")
(delete-region (point) (progn (forward-line 1) (point)))))
(nntp-copy-to-buffer nntp-server-buffer (point-min) (point-max))
'headers)))))
+(deffoo nntp-retrieve-group-data-early (server infos)
+ "Retrieve group info on INFOS."
+ (nntp-with-open-group nil server
+ (when (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 (gnus-group-real-name (gnus-info-group (car infos)))))
+ (with-current-buffer (nntp-find-connection-buffer nntp-server-buffer)
+ (erase-buffer)
+ (let ((nntp-inhibit-erase t)
+ (command (if nntp-server-list-active-group
+ "LIST ACTIVE" "GROUP")))
+ (dolist (info infos)
+ (nntp-send-command
+ nil command (gnus-group-real-name (gnus-info-group info)))))
+ (length infos)))))
+
+(deffoo nntp-finish-retrieve-group-infos (server infos count)
+ (nntp-with-open-group nil server
+ (let ((buf (nntp-find-connection-buffer nntp-server-buffer))
+ (method (gnus-find-method-for-group
+ (gnus-info-group (car infos))
+ (car infos)))
+ (received 0)
+ (last-point 1))
+ (when buf
+ (with-current-buffer buf
+ (while (and (gnus-buffer-live-p buf)
+ (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))
+ ;; We now have all the entries. Remove CRs.
+ (goto-char (point-min))
+ (while (search-forward "\r" nil t)
+ (replace-match "" t t))
+
+ (if (not nntp-server-list-active-group)
+ (progn
+ (nntp-copy-to-buffer nntp-server-buffer
+ (point-min) (point-max))
+ (gnus-groups-to-gnus-format method gnus-active-hashtb t))
+ ;; 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))))
+ (nntp-copy-to-buffer nntp-server-buffer (point-min) (point-max))
+ (gnus-active-to-gnus-format method gnus-active-hashtb nil t)))))))
+
(deffoo nntp-retrieve-groups (groups &optional server)
"Retrieve group info on GROUPS."
(nntp-with-open-group
`(lambda ()
(nntp-kill-buffer ,pbuffer)))))
(process
- (condition-case ()
+ (condition-case err
(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)
+ (coding-system-for-write nntp-coding-system-for-write)
+ (map '((nntp-open-network-stream network)
+ (network-only network-only)
+ (nntp-open-ssl-stream tls)
+ (nntp-open-tls-stream tls))))
+ (if (assoc nntp-open-connection-function map)
+ (car (open-protocol-stream
+ "nntpd" pbuffer nntp-address nntp-port-number
+ :type (cadr
+ (assoc nntp-open-connection-function map))
+ :end-of-command "^\\([2345]\\|[.]\\).*\n"
+ :capability-command "CAPABILITIES\r\n"
+ :success "^3"
+ :starttls-function
+ (lambda (capabilities)
+ (if (not (string-match "STARTTLS" capabilities))
+ nil
+ "STARTTLS\r\n"))))
+ (funcall nntp-open-connection-function pbuffer)))
+ (error
+ (nnheader-report 'nntp "%s" err))
(quit
(message "Quit opening connection to %s" nntp-address)
(nntp-kill-buffer pbuffer)
(nntp-kill-buffer (process-buffer process))
nil))))
-(defun nntp-open-network-stream (buffer)
- (open-network-stream "nntpd" buffer nntp-address nntp-port-number))
-
-(autoload 'format-spec "format-spec")
-(autoload 'format-spec-make "format-spec")
-(autoload 'open-tls-stream "tls")
-
-(defun nntp-open-ssl-stream (buffer)
- (let* ((process-connection-type nil)
- (proc (start-process "nntpd" buffer
- shell-file-name
- shell-command-switch
- (format-spec nntp-ssl-program
- (format-spec-make
- ?s nntp-address
- ?p nntp-port-number)))))
- (gnus-set-process-query-on-exit-flag proc nil)
- (with-current-buffer buffer
- (let ((nntp-connection-alist (list proc buffer nil)))
- (nntp-wait-for-string "^\r*20[01]"))
- (beginning-of-line)
- (delete-region (point-min) (point))
- proc)))
-
-(defun nntp-open-tls-stream (buffer)
- (let ((proc (open-tls-stream "nntpd" buffer nntp-address nntp-port-number)))
- (gnus-set-process-query-on-exit-flag proc nil)
- (with-current-buffer buffer
- (let ((nntp-connection-alist (list proc buffer nil)))
- (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.
(let ((message (buffer-string)))
(while (string-match "[\r\n]+" message)
(setq message (replace-match " " t t message)))
- (nnheader-report 'nntp message)
+ (nnheader-report 'nntp "%s" message)
message))
(defun nntp-accept-process-output (process)