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1 | ;; HP-UX RFA Commands |
2 | ;; Copyright (C) 1988 Free Software Foundation, Inc. | |
3 | ||
4 | ;; This file is part of GNU Emacs. | |
5 | ||
6 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
7 | ;; it under the terms of the GNU General Public License as published by | |
8 | ;; the Free Software Foundation; either version 1, or (at your option) | |
9 | ;; any later version. | |
10 | ||
11 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
12 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;; GNU General Public License for more details. | |
15 | ||
16 | ;; You should have received a copy of the GNU General Public License | |
17 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
18 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | ||
20 | ;;; Author: cph@zurich.ai.mit.edu | |
21 | ||
22 | ;;; $Header: netunam.el,v 1.3 88/12/21 16:32:23 GMT cph Exp $ | |
23 | ||
24 | (defconst rfa-node-directory "/net/" | |
25 | "Directory in which RFA network special files are stored. | |
26 | By HP convention, this is \"/net/\".") | |
27 | ||
28 | (defvar rfa-default-node nil | |
29 | "If not nil, this is the name of the default RFA network special file.") | |
30 | ||
31 | (defvar rfa-password-memoize-p t | |
32 | "If non-nil, remember login user's passwords after they have been entered.") | |
33 | ||
34 | (defvar rfa-password-alist '() | |
35 | "An association from node-name strings to password strings. | |
36 | Used if `rfa-password-memoize-p' is non-nil.") | |
37 | ||
38 | (defvar rfa-password-per-node-p t | |
39 | "If nil, login user uses same password on all machines. | |
40 | Has no effect if `rfa-password-memoize-p' is nil.") | |
41 | ||
42 | (defun rfa-set-password (password &optional node user) | |
43 | "Add PASSWORD to the RFA password database. | |
44 | Optional second arg NODE is a string specifying a particular nodename; | |
45 | if supplied and not nil, PASSWORD applies to only that node. | |
46 | Optional third arg USER is a string specifying the (remote) user whose | |
47 | password this is; if not supplied this defaults to (user-login-name)." | |
48 | (if (not user) (setq user (user-login-name))) | |
49 | (let ((node-entry (assoc node rfa-password-alist))) | |
50 | (if node-entry | |
51 | (let ((user-entry (assoc user (cdr node-entry)))) | |
52 | (if user-entry | |
53 | (rplacd user-entry password) | |
54 | (rplacd node-entry | |
55 | (nconc (cdr node-entry) | |
56 | (list (cons user password)))))) | |
57 | (setq rfa-password-alist | |
58 | (nconc rfa-password-alist | |
59 | (list (list node (cons user password)))))))) | |
60 | \f | |
61 | (defun rfa-open (node &optional user password) | |
62 | "Open a network connection to a server using remote file access. | |
63 | First argument NODE is the network node for the remote machine. | |
64 | Second optional argument USER is the user name to use on that machine. | |
65 | If called interactively, the user name is prompted for. | |
66 | Third optional argument PASSWORD is the password string for that user. | |
67 | If not given, this is filled in from the value of | |
68 | `rfa-password-alist', or prompted for. A prefix argument of - will | |
69 | cause the password to be prompted for even if previously memoized." | |
70 | (interactive | |
71 | (list (read-file-name "rfa-open: " rfa-node-directory rfa-default-node t) | |
72 | (read-string "user-name: " (user-login-name)))) | |
73 | (let ((node | |
74 | (and (or rfa-password-per-node-p | |
75 | (not (equal user (user-login-name)))) | |
76 | node))) | |
77 | (if (not password) | |
78 | (setq password | |
79 | (let ((password | |
80 | (cdr (assoc user (cdr (assoc node rfa-password-alist)))))) | |
81 | (or (and (not current-prefix-arg) password) | |
82 | (rfa-password-read | |
83 | (format "password for user %s%s: " | |
84 | user | |
85 | (if node (format " on node \"%s\"" node) "")) | |
86 | password)))))) | |
87 | (let ((result | |
88 | (sysnetunam (expand-file-name node rfa-node-directory) | |
89 | (concat user ":" password)))) | |
90 | (if (interactive-p) | |
91 | (if result | |
92 | (message "Opened network connection to %s as %s" node user) | |
93 | (error "Unable to open network connection"))) | |
94 | (if (and rfa-password-memoize-p result) | |
95 | (rfa-set-password password node user)) | |
96 | result)) | |
97 | ||
98 | (defun rfa-close (node) | |
99 | "Close a network connection to a server using remote file access. | |
100 | NODE is the network node for the remote machine." | |
101 | (interactive | |
102 | (list (read-file-name "rfa-close: " rfa-node-directory rfa-default-node t))) | |
103 | (let ((result (sysnetunam (expand-file-name node rfa-node-directory) ""))) | |
104 | (cond ((not (interactive-p)) result) | |
105 | ((not result) (error "Unable to close network connection")) | |
106 | (t (message "Closed network connection to %s" node))))) | |
107 | \f | |
108 | (defun rfa-password-read (prompt default) | |
109 | (let ((rfa-password-accumulator (or default ""))) | |
110 | (read-from-minibuffer prompt | |
111 | (and default | |
112 | (let ((copy (concat default)) | |
113 | (index 0) | |
114 | (length (length default))) | |
115 | (while (< index length) | |
116 | (aset copy index ?.) | |
117 | (setq index (1+ index))) | |
118 | copy)) | |
119 | rfa-password-map) | |
120 | rfa-password-accumulator)) | |
121 | ||
122 | (defvar rfa-password-map nil) | |
123 | (if (not rfa-password-map) | |
124 | (let ((char ? )) | |
125 | (setq rfa-password-map (make-keymap)) | |
126 | (while (< char 127) | |
127 | (define-key rfa-password-map (char-to-string char) | |
128 | 'rfa-password-self-insert) | |
129 | (setq char (1+ char))) | |
130 | (define-key rfa-password-map "\C-g" | |
131 | 'abort-recursive-edit) | |
132 | (define-key rfa-password-map "\177" | |
133 | 'rfa-password-rubout) | |
134 | (define-key rfa-password-map "\n" | |
135 | 'exit-minibuffer) | |
136 | (define-key rfa-password-map "\r" | |
137 | 'exit-minibuffer))) | |
138 | ||
139 | (defvar rfa-password-accumulator nil) | |
140 | ||
141 | (defun rfa-password-self-insert () | |
142 | (interactive) | |
143 | (setq rfa-password-accumulator | |
144 | (concat rfa-password-accumulator | |
145 | (char-to-string last-command-char))) | |
146 | (insert ?.)) | |
147 | ||
148 | (defun rfa-password-rubout () | |
149 | (interactive) | |
150 | (delete-char -1) | |
151 | (setq rfa-password-accumulator | |
152 | (substring rfa-password-accumulator 0 -1))) |