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- ;; Copyright (C) 1985 Free Software Foundation
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is free software; you can redistribute it and/or modify
- ;; it under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 1, or (at your option)
- ;; any later version.
-
- ;; GNU Emacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
- ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ;; 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.
-
-
- ;; Author William F. Schelter
-
- ;;to do fix software types for lispm:
- ;;to eval current expression. Also to try to send escape keys correctly.
- ;;essentially we'll want the rubout-handler off.
-
- (defvar telnet-new-line "\r")
- (defvar telnet-mode-map nil)
- (defvar telnet-prompt-pattern "^[^#$%>]*[#$%>] *")
- (defvar telnet-interrupt-string "\^c" "String sent by C-c.")
- (defvar telnet-count 0)
- (defvar telnet-replace-c-g nil)
- (defvar telnet-remote-echoes nil)
-
- (defun telnet-interrupt-subjob ()
- (interactive)
- "Interrupt the program running through telnet on the remote host."
- (send-string nil telnet-interrupt-string))
-
- (defun telnet-c-z ()
- (interactive)
- (send-string nil ""))
-
- (defun send-process-next-char ()
- (interactive)
- (send-string nil
- (char-to-string
- (let ((inhibit-quit t))
- (prog1 (read-char)
- (setq quit-flag nil))))))
-
- (setq telnet-mode-map (make-sparse-keymap))
-
- (progn
- (define-key telnet-mode-map "\C-m" 'telnet-send-input)
- (define-key telnet-mode-map "\C-j" 'telnet-send-input)
- (define-key telnet-mode-map "\C-c\C-d" 'shell-send-eof)
- (define-key telnet-mode-map "\C-c\C-q" 'send-process-next-char)
- (define-key telnet-mode-map "\C-c\C-c" 'telnet-interrupt-subjob)
- (define-key telnet-mode-map "\C-c\C-z" 'telnet-c-z)
- (define-key telnet-mode-map "\C-c\C-u" 'kill-shell-input)
- (define-key telnet-mode-map "\C-c\C-w" 'backward-kill-word)
- (define-key telnet-mode-map "\C-c\C-o" 'kill-output-from-shell)
- (define-key telnet-mode-map "\C-c\C-r" 'show-output-from-shell))
-
- ;;maybe should have a flag for when have found type
- (defun telnet-check-software-type-initialize (string)
- "Tries to put correct initializations in. Needs work."
- (cond ((string-match "unix" string)
- (setq telnet-prompt-pattern shell-prompt-pattern)
- (setq telnet-new-line "\n"))
- ((string-match "tops-20" string) ;;maybe add telnet-replace-c-g
- (setq telnet-prompt-pattern "[@>]*"))
- ((string-match "its" string)
- (setq telnet-prompt-pattern "^[^*>]*[*>] *"))
- ((string-match "explorer" string) ;;explorer telnet needs work
- (setq telnet-replace-c-g ?\n))
- ))
-
- (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)
- (let* ((echo-keystrokes 0)
- (password (read-password)))
- (setq telnet-count 0)
- (send-string proc (concat password telnet-new-line))))
- (t (telnet-check-software-type-initialize string)
- (telnet-filter proc string)
- (cond ((> telnet-count 4)
- (set-process-filter proc 'telnet-filter))
- (t (setq telnet-count (1+ telnet-count)))))))
-
- (defun telnet-filter (proc string)
- (save-excursion
- (set-buffer (process-buffer proc))
- (goto-char (point-max))
- (let ((now (point)))
- (insert string)
- (subst-char-in-region now (point) ?\^m ?\ )
- (and telnet-replace-c-g
- (subst-char-in-region now (point) ?\^g telnet-replace-c-g)))
- (if (process-mark proc)
- (set-marker (process-mark proc) (point)))
- (if (and (integer-or-marker-p last-input-start)
- (marker-position last-input-start)
- telnet-remote-echoes)
- (delete-region last-input-start last-input-end)))
- (if (eq (process-buffer proc)
- (current-buffer))
- (goto-char (point-max))))
-
- (defun delete-char-or-send-eof (arg killp)
- "At end of buffer, send eof to subshell. Otherwise delete character."
- (interactive "p\nP")
- (if (and (eobp) (not killp))
- (process-send-eof)
- (delete-char arg killp)))
-
- (defun telnet-send-input ()
- "Send input to remote host
- At end of buffer, sends all text after last output
- as input to the telnet, including a telnet-new-line inserted at the end.
- Not at end, copies current line to the end of the buffer and sends it,
- after first attempting to discard any prompt at the beginning of the line
- by matching the regexp that is the value of telnet-prompt-pattern if possible."
- (interactive)
- (let (copied)
- (end-of-line)
- (if (eobp)
- (progn
- (move-marker last-input-start
- (process-mark (get-buffer-process (current-buffer))))
- (move-marker last-input-end (point)))
- (beginning-of-line)
- (re-search-forward telnet-prompt-pattern nil t)
- (let ((copy (buffer-substring (point)
- (progn (forward-line 1) (point)))))
- (goto-char (point-max))
- (move-marker last-input-start (point))
- (insert copy) (setq copied t)
- (move-marker last-input-end (point))))
- (save-excursion
- (goto-char last-input-start)
- (let ((process (get-buffer-process (current-buffer))))
- (send-region process last-input-start last-input-end)
- (if (not copied) (send-string process telnet-new-line))
- (set-marker (process-mark process) (point))))))
-
- (defun telnet (arg)
- "Open a network login connection to host named HOST (a string).
- Communication with HOST is recorded in a buffer *HOST-telnet*.
- Normally input is edited in Emacs and sent a line at a time."
- (interactive "sOpen telnet connection to host: ")
- (require 'shell)
- (let ((name (concat arg "-telnet" )))
- (switch-to-buffer (make-shell name "telnet"))
- (set-process-filter (get-process name) 'telnet-initial-filter)
- (accept-process-output (get-process name))
- (erase-buffer)
- (send-string name (concat "open " arg "\n"))
- (telnet-mode)
- (setq telnet-count -16)))
-
- (defun read-password ()
- (let ((answ "") tem)
- (while (prog1 (not (memq (setq tem (read-char))
- '(?\C-m ?\n ?\C-g)))
- (setq quit-flag nil))
- (setq answ (concat answ (char-to-string tem))))
- answ))
-
- (defun telnet-mode ()
- "This mode is for use during telnet from a buffer to another
- host. It has most of the same commands as shell mode.
- There is a variable `telnet-interrupt-string' which is the character
- sent to try to stop execution of a job on the remote host.
- Data is sent to the remote host when `return' is typed.
- Thus if you may need to edit the data before sending you
- should use c-n to move down a line. Then you can return
- to alter a previous line. Of course you should not use this
- mode of telnet if you want to run emacs like programs on the
- remote host (at least not yet!).
-
- The following commands imitate the usual Unix interrupt and
- editing control characters:
- \\{telnet-mode-map}
-
- Bugs:
- --Replace by a space, really should remove.
- --For Unix interacts poorly with tcsh although csh,sh,ksh are ok."
- (interactive)
- (kill-all-local-variables)
- (setq major-mode 'telnet-mode)
- (setq mode-name "Telnet")
- (setq mode-line-process '(": %s"))
- (make-local-variable 'last-input-start)
- (use-local-map telnet-mode-map)
- (let ((tem telnet-prompt-pattern))
- (make-local-variable 'telnet-prompt-pattern)
- (setq telnet-prompt-pattern tem))
- (make-local-variable 'telnet-interrupt-string)
- (setq telnet-interrupt-string "")
- (make-local-variable 'telnet-new-line)
- (setq telnet-new-line "\r")
- (make-local-variable 'last-input-start)
- (setq last-input-start (make-marker))
- (make-local-variable 'last-input-end)
- (setq last-input-end (make-marker))
- (make-local-variable 'telnet-remote-echoes)
- (setq telnet-remote-echoes t)
- (make-local-variable 'telnet-replace-c-g)
- (setq telnet-replace-c-g nil))
-
-
-
-