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1 ;;; netunam.el --- HP-UX RFA Commands
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2
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3 ;; Copyright (C) 1988 Free Software Foundation, Inc.
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4
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5 ;; Author: Chris Hanson <cph@zurich.ai.mit.edu>
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6 ;; Keywords: comm
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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23
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24 ;;; Synched up with: Not in FSF.
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25 ;;; #### Chuck -- maybe we should nuke this file. I somehow or
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26 ;;; other get the sense that it's extremely obsolete.
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27
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28 ;;; Commentary:
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29
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30 ;; Use the Remote File Access (RFA) facility of HP-UX from Emacs.
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31
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32 ;;; Code:
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33
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34 (defconst rfa-node-directory "/net/"
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35 "Directory in which RFA network special files are stored.
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36 By HP convention, this is \"/net/\".")
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37
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38 (defvar rfa-default-node nil
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39 "If not nil, this is the name of the default RFA network special file.")
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40
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41 (defvar rfa-password-memoize-p t
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42 "If non-nil, remember login user's passwords after they have been entered.")
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43
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44 (defvar rfa-password-alist '()
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45 "An association from node-name strings to password strings.
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46 Used if `rfa-password-memoize-p' is non-nil.")
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47
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48 (defvar rfa-password-per-node-p t
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49 "If nil, login user uses same password on all machines.
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50 Has no effect if `rfa-password-memoize-p' is nil.")
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51
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52 (defun rfa-set-password (password &optional node user)
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53 "Add PASSWORD to the RFA password database.
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54 Optional second arg NODE is a string specifying a particular nodename;
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55 if supplied and not nil, PASSWORD applies to only that node.
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56 Optional third arg USER is a string specifying the (remote) user whose
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57 password this is; if not supplied this defaults to (user-login-name)."
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58 (if (not user) (setq user (user-login-name)))
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59 (let ((node-entry (assoc node rfa-password-alist)))
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60 (if node-entry
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61 (let ((user-entry (assoc user (cdr node-entry))))
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62 (if user-entry
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63 (rplacd user-entry password)
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64 (rplacd node-entry
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65 (nconc (cdr node-entry)
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66 (list (cons user password))))))
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67 (setq rfa-password-alist
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68 (nconc rfa-password-alist
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69 (list (list node (cons user password))))))))
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70
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71 (defun rfa-open (node &optional user password)
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72 "Open a network connection to a server using remote file access.
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73 First argument NODE is the network node for the remote machine.
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74 Second optional argument USER is the user name to use on that machine.
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75 If called interactively, the user name is prompted for.
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76 Third optional argument PASSWORD is the password string for that user.
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77 If not given, this is filled in from the value of
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78 `rfa-password-alist', or prompted for. A prefix argument of - will
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79 cause the password to be prompted for even if previously memoized."
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80 (interactive
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81 (list (read-file-name "rfa-open: " rfa-node-directory rfa-default-node t)
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82 (read-string "user-name: " (user-login-name))))
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83 (let ((node
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84 (and (or rfa-password-per-node-p
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85 (not (equal user (user-login-name))))
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86 node)))
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87 (if (not password)
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88 (setq password
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89 (let ((password
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90 (cdr (assoc user (cdr (assoc node rfa-password-alist))))))
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91 (or (and (not current-prefix-arg) password)
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92 (rfa-password-read
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93 (format "password for user %s%s: "
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94 user
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95 (if node (format " on node \"%s\"" node) ""))
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96 password))))))
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97 (let ((result
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98 (sysnetunam (expand-file-name node rfa-node-directory)
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99 (concat user ":" password))))
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100 (if (interactive-p)
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101 (if result
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102 (message "Opened network connection to %s as %s" node user)
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103 (error "Unable to open network connection")))
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104 (if (and rfa-password-memoize-p result)
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105 (rfa-set-password password node user))
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106 result))
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107
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108 (defun rfa-close (node)
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109 "Close a network connection to a server using remote file access.
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110 NODE is the network node for the remote machine."
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111 (interactive
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112 (list (read-file-name "rfa-close: " rfa-node-directory rfa-default-node t)))
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113 (let ((result (sysnetunam (expand-file-name node rfa-node-directory) "")))
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114 (cond ((not (interactive-p)) result)
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115 ((not result) (error "Unable to close network connection"))
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116 (t (message "Closed network connection to %s" node)))))
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117
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118 (defun rfa-password-read (prompt default)
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119 (let ((rfa-password-accumulator (or default "")))
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120 (read-from-minibuffer prompt
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121 (and default
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122 (let ((copy (concat default))
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123 (index 0)
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124 (length (length default)))
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125 (while (< index length)
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126 (aset copy index ?.)
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127 (setq index (1+ index)))
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128 copy))
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129 rfa-password-map)
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130 rfa-password-accumulator))
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131
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132 (defvar rfa-password-map nil)
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133 (if (not rfa-password-map)
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134 (let ((char ? ))
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135 (setq rfa-password-map (make-keymap))
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136 (while (< char 127)
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137 (define-key rfa-password-map (char-to-string char)
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138 'rfa-password-self-insert)
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139 (setq char (1+ char)))
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140 (define-key rfa-password-map "\C-g"
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141 'abort-recursive-edit)
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142 (define-key rfa-password-map "\177"
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143 'rfa-password-rubout)
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144 (define-key rfa-password-map "\n"
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145 'exit-minibuffer)
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146 (define-key rfa-password-map "\r"
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147 'exit-minibuffer)))
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148
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149 (defvar rfa-password-accumulator nil)
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150
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151 (defun rfa-password-self-insert ()
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152 (interactive)
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153 (setq rfa-password-accumulator
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154 (concat rfa-password-accumulator
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155 (char-to-string last-command-char)))
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156 (insert ?.))
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157
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158 (defun rfa-password-rubout ()
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159 (interactive)
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160 (delete-char -1)
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161 (setq rfa-password-accumulator
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162 (substring rfa-password-accumulator 0 -1)))
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163
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164 ;;; netunam.el ends here
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