;;; telnet.el --- run a telnet session from within an Emacs buffer
-;;; Copyright (C) 1985, 1988, 1992, 1994 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1988, 1992, 1994 Free Software Foundation, Inc.
;; Author: William F. Schelter
;; Maintainer: FSF
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
-;; This mode is intended to be used for telnet or rsh to a remode host;
+;; This mode is intended to be used for telnet or rsh to a remote host;
;; `telnet' and `rsh' are the two entry points. Multiple telnet or rsh
;; sessions are supported.
;;
;; remote system. The mode tries to do other useful translations based
;; on what it sees coming back from the other system before the password
;; query. It knows about UNIX, ITS, TOPS-20 and Explorer systems.
+;;
+;; You can use the global telnet-host-properties to associate a telnet
+;; program and login name with each host you regularly telnet to.
;;; Code:
(require 'comint)
+(defvar telnet-host-properties ()
+ "Specify which telnet program to use for particular hosts.
+Each element has the form (HOSTNAME PROGRAM [LOGIN-NAME])
+HOSTNAME says which machine the element applies to.
+PROGRAM says which program to run, to talk to that machine.
+LOGIN-NAME, which is optional, says what to log in as on that machine.")
+
(defvar telnet-new-line "\r")
(defvar telnet-mode-map nil)
(defvar telnet-prompt-pattern "^[^#$%>\n]*[#$%>] *")
(defvar telnet-program "telnet"
"Program to run to open a telnet connection.")
-(defvar rsh-program
- (if (memq system-type '(hpux usg-unix-v))
- "remsh" "rsh")
- "Program to run for opening a remote shell.")
-
(defvar telnet-initial-count -50
"Initial value of `telnet-count'. Should be set to the negative of the
number of terminal writes telnet will make setting up the host connection.")
(defun telnet-initial-filter (proc string)
;For reading up to and including password; also will get machine type.
- (cond ((string-match "No such host" string)
- (kill-buffer (process-buffer proc))
- (error "No such host."))
- ((string-match "passw" string)
- (telnet-filter proc string)
- (setq telnet-count 0)
- (send-string proc (concat (comint-read-noecho "Password: " t)
- telnet-new-line)))
- (t (telnet-check-software-type-initialize string)
- (telnet-filter proc string)
- (cond ((> telnet-count telnet-maximum-count)
- (set-process-filter proc 'telnet-filter))
- (t (setq telnet-count (1+ telnet-count)))))))
+ (save-current-buffer
+ (set-buffer (process-buffer proc))
+ (let ((case-fold-search t))
+ (cond ((string-match "No such host" string)
+ (kill-buffer (process-buffer proc))
+ (error "No such host"))
+ ((string-match "passw" string)
+ (telnet-filter proc string)
+ (setq telnet-count 0)
+ (send-string proc (concat (comint-read-noecho "Password: " t)
+ telnet-new-line)))
+ (t (telnet-check-software-type-initialize string)
+ (telnet-filter proc string)
+ (cond ((> telnet-count telnet-maximum-count)
+ (set-process-filter proc 'telnet-filter))
+ (t (setq telnet-count (1+ telnet-count)))))))))
;; Identical to comint-simple-send, except that it sends telnet-new-line
;; instead of "\n".
(ws (and w (window-start w))))
(goto-char last-insertion)
(insert-before-markers string)
+ (set-marker comint-last-output-start last-insertion)
(set-marker (process-mark proc) (point))
(if ws (set-window-start w ws t))
(if ie (set-marker comint-last-input-end ie))
(delete-region comint-last-input-start
comint-last-input-end)))
+;;;###autoload (add-hook 'same-window-regexps "\\*telnet-.*\\*\\(\\|<[0-9]+>\\)")
+
;;;###autoload
(defun telnet (host)
"Open a network login connection to host named HOST (a string).
-Communication with HOST is recorded in a buffer `*telnet-HOST*'.
+Communication with HOST is recorded in a buffer `*PROGRAM-HOST*'
+where PROGRAM is the telnet program being used. This program
+is controlled by the contents of the global variable `telnet-host-properties',
+falling back on the value of the global variable `telnet-program'.
Normally input is edited in Emacs and sent a line at a time."
- (interactive "sOpen telnet connection to host: ")
+ (interactive "sOpen connection to host: ")
(let* ((comint-delimiter-argument-list '(?\ ?\t))
- (name (concat "telnet-" (comint-arguments host 0 nil) ))
- (buffer (get-buffer (concat "*" name "*"))))
+ (properties (cdr (assoc host telnet-host-properties)))
+ (telnet-program (if properties (car properties) telnet-program))
+ (name (concat telnet-program "-" (comint-arguments host 0 nil) ))
+ (buffer (get-buffer (concat "*" name "*")))
+ (telnet-options (if (cdr properties) (cons "-l" (cdr properties))))
+ process)
(if (and buffer (get-buffer-process buffer))
- (switch-to-buffer (concat "*" name "*"))
- (switch-to-buffer (make-comint name telnet-program))
- (set-process-filter (get-process name) 'telnet-initial-filter)
+ (pop-to-buffer (concat "*" name "*"))
+ (pop-to-buffer
+ (apply 'make-comint name telnet-program nil telnet-options))
+ (setq process (get-buffer-process (current-buffer)))
+ (set-process-filter process 'telnet-initial-filter)
;; Don't send the `open' cmd till telnet is ready for it.
- (accept-process-output (get-process name))
+ (accept-process-output process)
(erase-buffer)
- (send-string name (concat "open " host "\n"))
+ (send-string process (concat "open " host "\n"))
(telnet-mode)
(setq comint-input-sender 'telnet-simple-send)
(setq telnet-count telnet-initial-count))))
+(put 'telnet-mode 'mode-class 'special)
+
(defun telnet-mode ()
"This mode is for using telnet (or rsh) from a buffer to another host.
It has most of the same commands as comint-mode.
(use-local-map telnet-mode-map)
(run-hooks 'telnet-mode-hook))
+;;;###autoload (add-hook 'same-window-regexps "\\*rsh-[^-]*\\*\\(\\|<[0-9]*>\\)")
+
;;;###autoload
(defun rsh (host)
"Open a network login connection to host named HOST (a string).
-Communication with HOST is recorded in a buffer *HOST-rsh*.
+Communication with HOST is recorded in a buffer `*rsh-HOST*'.
Normally input is edited in Emacs and sent a line at a time."
(interactive "sOpen rsh connection to host: ")
(require 'shell)
- (let ((name (concat host "-rsh" )))
- (switch-to-buffer (make-comint name rsh-program nil host))
+ (let ((name (concat "rsh-" host )))
+ (pop-to-buffer (make-comint name remote-shell-program nil host))
(set-process-filter (get-process name) 'telnet-initial-filter)
(telnet-mode)
(setq telnet-count -16)))