| 1 | ;;; netunam.el --- HP-UX RFA Commands |
| 2 | |
| 3 | ;; Copyright (C) 1988 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Chris Hanson <cph@zurich.ai.mit.edu> |
| 6 | ;; Keywords: comm |
| 7 | |
| 8 | ;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 11 | ;; it under the terms of the GNU General Public License as published by |
| 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 13 | ;; any later version. |
| 14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;; GNU General Public License for more details. |
| 19 | |
| 20 | ;; You should have received a copy of the GNU General Public License |
| 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to |
| 22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | |
| 24 | ;;; Commentary: |
| 25 | |
| 26 | ;; Use the Remote File Access (RFA) facility of HP-UX from Emacs. |
| 27 | |
| 28 | ;;; Code: |
| 29 | |
| 30 | (defconst rfa-node-directory "/net/" |
| 31 | "Directory in which RFA network special files are stored. |
| 32 | By HP convention, this is \"/net/\".") |
| 33 | |
| 34 | (defvar rfa-default-node nil |
| 35 | "If not nil, this is the name of the default RFA network special file.") |
| 36 | |
| 37 | (defvar rfa-password-memoize-p t |
| 38 | "If non-nil, remember login user's passwords after they have been entered.") |
| 39 | |
| 40 | (defvar rfa-password-alist '() |
| 41 | "An association from node-name strings to password strings. |
| 42 | Used if `rfa-password-memoize-p' is non-nil.") |
| 43 | |
| 44 | (defvar rfa-password-per-node-p t |
| 45 | "If nil, login user uses same password on all machines. |
| 46 | Has no effect if `rfa-password-memoize-p' is nil.") |
| 47 | |
| 48 | (defun rfa-set-password (password &optional node user) |
| 49 | "Add PASSWORD to the RFA password database. |
| 50 | Optional second arg NODE is a string specifying a particular nodename; |
| 51 | if supplied and not nil, PASSWORD applies to only that node. |
| 52 | Optional third arg USER is a string specifying the (remote) user whose |
| 53 | password this is; if not supplied this defaults to (user-login-name)." |
| 54 | (if (not user) (setq user (user-login-name))) |
| 55 | (let ((node-entry (assoc node rfa-password-alist))) |
| 56 | (if node-entry |
| 57 | (let ((user-entry (assoc user (cdr node-entry)))) |
| 58 | (if user-entry |
| 59 | (rplacd user-entry password) |
| 60 | (rplacd node-entry |
| 61 | (nconc (cdr node-entry) |
| 62 | (list (cons user password)))))) |
| 63 | (setq rfa-password-alist |
| 64 | (nconc rfa-password-alist |
| 65 | (list (list node (cons user password)))))))) |
| 66 | \f |
| 67 | (defun rfa-open (node &optional user password) |
| 68 | "Open a network connection to a server using remote file access. |
| 69 | First argument NODE is the network node for the remote machine. |
| 70 | Second optional argument USER is the user name to use on that machine. |
| 71 | If called interactively, the user name is prompted for. |
| 72 | Third optional argument PASSWORD is the password string for that user. |
| 73 | If not given, this is filled in from the value of |
| 74 | `rfa-password-alist', or prompted for. A prefix argument of - will |
| 75 | cause the password to be prompted for even if previously memoized." |
| 76 | (interactive |
| 77 | (list (read-file-name "rfa-open: " rfa-node-directory rfa-default-node t) |
| 78 | (read-string "user-name: " (user-login-name)))) |
| 79 | (let ((node |
| 80 | (and (or rfa-password-per-node-p |
| 81 | (not (equal user (user-login-name)))) |
| 82 | node))) |
| 83 | (if (not password) |
| 84 | (setq password |
| 85 | (let ((password |
| 86 | (cdr (assoc user (cdr (assoc node rfa-password-alist)))))) |
| 87 | (or (and (not current-prefix-arg) password) |
| 88 | (rfa-password-read |
| 89 | (format "password for user %s%s: " |
| 90 | user |
| 91 | (if node (format " on node \"%s\"" node) "")) |
| 92 | password)))))) |
| 93 | (let ((result |
| 94 | (sysnetunam (expand-file-name node rfa-node-directory) |
| 95 | (concat user ":" password)))) |
| 96 | (if (interactive-p) |
| 97 | (if result |
| 98 | (message "Opened network connection to %s as %s" node user) |
| 99 | (error "Unable to open network connection"))) |
| 100 | (if (and rfa-password-memoize-p result) |
| 101 | (rfa-set-password password node user)) |
| 102 | result)) |
| 103 | |
| 104 | (defun rfa-close (node) |
| 105 | "Close a network connection to a server using remote file access. |
| 106 | NODE is the network node for the remote machine." |
| 107 | (interactive |
| 108 | (list (read-file-name "rfa-close: " rfa-node-directory rfa-default-node t))) |
| 109 | (let ((result (sysnetunam (expand-file-name node rfa-node-directory) ""))) |
| 110 | (cond ((not (interactive-p)) result) |
| 111 | ((not result) (error "Unable to close network connection")) |
| 112 | (t (message "Closed network connection to %s" node))))) |
| 113 | \f |
| 114 | (defun rfa-password-read (prompt default) |
| 115 | (let ((rfa-password-accumulator (or default ""))) |
| 116 | (read-from-minibuffer prompt |
| 117 | (and default |
| 118 | (let ((copy (concat default)) |
| 119 | (index 0) |
| 120 | (length (length default))) |
| 121 | (while (< index length) |
| 122 | (aset copy index ?.) |
| 123 | (setq index (1+ index))) |
| 124 | copy)) |
| 125 | rfa-password-map) |
| 126 | rfa-password-accumulator)) |
| 127 | |
| 128 | (defvar rfa-password-map nil) |
| 129 | (if (not rfa-password-map) |
| 130 | (let ((char ? )) |
| 131 | (setq rfa-password-map (make-keymap)) |
| 132 | (while (< char 127) |
| 133 | (define-key rfa-password-map (char-to-string char) |
| 134 | 'rfa-password-self-insert) |
| 135 | (setq char (1+ char))) |
| 136 | (define-key rfa-password-map "\C-g" |
| 137 | 'abort-recursive-edit) |
| 138 | (define-key rfa-password-map "\177" |
| 139 | 'rfa-password-rubout) |
| 140 | (define-key rfa-password-map "\n" |
| 141 | 'exit-minibuffer) |
| 142 | (define-key rfa-password-map "\r" |
| 143 | 'exit-minibuffer))) |
| 144 | |
| 145 | (defvar rfa-password-accumulator nil) |
| 146 | |
| 147 | (defun rfa-password-self-insert () |
| 148 | (interactive) |
| 149 | (setq rfa-password-accumulator |
| 150 | (concat rfa-password-accumulator |
| 151 | (char-to-string last-command-char))) |
| 152 | (insert ?.)) |
| 153 | |
| 154 | (defun rfa-password-rubout () |
| 155 | (interactive) |
| 156 | (delete-char -1) |
| 157 | (setq rfa-password-accumulator |
| 158 | (substring rfa-password-accumulator 0 -1))) |
| 159 | |
| 160 | ;;; netunam.el ends here |