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authorSimon Josefsson2004-10-29 21:21:33 +0000
committerSimon Josefsson2004-10-29 21:21:33 +0000
commit266725f1a1b41e89d2b4a4d11cb5108bf1d0fb91 (patch)
treed1a2bd3a52e6ee24d8e96e288e9d6f341ca4ed59
parentf946e47e752c1b3a454f445010da817c7b9f9f00 (diff)
downloademacs-266725f1a1b41e89d2b4a4d11cb5108bf1d0fb91.tar.gz
emacs-266725f1a1b41e89d2b4a4d11cb5108bf1d0fb91.zip
subr.el (read-passwd): Move back from password.el.
password.el: Remove, not ready yet.
-rw-r--r--lisp/ChangeLog6
-rw-r--r--lisp/net/password.el184
-rw-r--r--lisp/subr.el55
3 files changed, 61 insertions, 184 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 5bfebecab35..b73f08a9f1f 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
12004-10-29 Simon Josefsson <jas@extundo.com>
2
3 * subr.el (read-passwd): Move back from password.el.
4
5 * password.el: Remove, not ready yet.
6
12004-10-29 Andreas Schwab <schwab@suse.de> 72004-10-29 Andreas Schwab <schwab@suse.de>
2 8
3 * speedbar.el (speedbar-frame-parameters): Improve customize type. 9 * speedbar.el (speedbar-frame-parameters): Improve customize type.
diff --git a/lisp/net/password.el b/lisp/net/password.el
deleted file mode 100644
index da009ed9ea0..00000000000
--- a/lisp/net/password.el
+++ /dev/null
@@ -1,184 +0,0 @@
1;;; password.el --- Read passwords from user, possibly using a password cache.
2
3;; Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
4
5;; Author: Simon Josefsson <simon@josefsson.org>
6;; Created: 2003-12-21
7;; Keywords: password cache passphrase key
8
9;; This file is part of GNU Emacs.
10
11;; GNU Emacs is free software; you can redistribute it and/or modify
12;; it under the terms of the GNU General Public License as published by
13;; the Free Software Foundation; either version 2, or (at your option)
14;; any later version.
15
16;; GNU Emacs is distributed in the hope that it will be useful,
17;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19;; GNU General Public License for more details.
20
21;; You should have received a copy of the GNU General Public License
22;; along with GNU Emacs; see the file COPYING. If not, write to the
23;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24;; Boston, MA 02111-1307, USA.
25
26;;; Commentary:
27
28;; Greatly influenced by pgg.el written by Daiki Ueno, with timer
29;; fixes for XEmacs by Katsumi Yamaoka. In fact, this is mostly just
30;; a rip-off.
31;;
32;; (password-read "Password? " "test")
33;; ;; Minibuffer prompt for password.
34;; => "foo"
35;;
36;; (password-cache-add "test" "foo")
37;; => nil
38
39;; Note the previous two can be replaced with:
40;; (password-read-and-add "Password? " "test")
41;; ;; Minibuffer prompt for password.
42;; => "foo"
43;; ;; "foo" is now cached with key "test"
44
45
46;; (password-read "Password? " "test")
47;; ;; No minibuffer prompt
48;; => "foo"
49;;
50;; (password-read "Password? " "test")
51;; ;; No minibuffer prompt
52;; => "foo"
53;;
54;; ;; Wait `password-cache-expiry' seconds.
55;;
56;; (password-read "Password? " "test")
57;; ;; Minibuffer prompt for password is back.
58;; => "foo"
59
60;;; Code:
61
62(when (featurep 'xemacs)
63 (require 'run-at-time))
64
65(eval-when-compile
66 (require 'cl))
67
68(defcustom password-cache t
69 "Whether to cache passwords."
70 :group 'password
71 :type 'boolean)
72
73(defcustom password-cache-expiry 16
74 "How many seconds passwords are cached, or nil to disable expiring.
75Whether passwords are cached at all is controlled by `password-cache'."
76 :group 'password
77 :type '(choice (const :tag "Never" nil)
78 (integer :tag "Seconds")))
79
80(defvar password-data (make-vector 7 0))
81
82(defun password-read (prompt &optional key)
83 "Read password, for use with KEY, from user, or from cache if wanted.
84KEY indicate the purpose of the password, so the cache can
85separate passwords. The cache is not used if KEY is nil. It is
86typically a string.
87The variable `password-cache' control whether the cache is used."
88 (or (and password-cache
89 key
90 (symbol-value (intern-soft key password-data)))
91 (read-passwd prompt)))
92
93(defun password-read-and-add (prompt &optional key)
94 "Read password, for use with KEY, from user, or from cache if wanted.
95Then store the password in the cache. Uses `password-read' and
96`password-cache-add'."
97 (let ((password (password-read prompt key)))
98 (when (and password key)
99 (password-cache-add key password))
100 password))
101
102(defun password-cache-remove (key)
103 "Remove password indexed by KEY from password cache.
104This is typically run be a timer setup from `password-cache-add',
105but can be invoked at any time to forcefully remove passwords
106from the cache. This may be useful when it has been detected
107that a password is invalid, so that `password-read' query the
108user again."
109 (let ((password (symbol-value (intern-soft key password-data))))
110 (when password
111 (fillarray password ?_)
112 (unintern key password-data))))
113
114(defun password-cache-add (key password)
115 "Add password to cache.
116The password is removed by a timer after `password-cache-expiry'
117seconds."
118 (set (intern key password-data) password)
119 (when password-cache-expiry
120 (run-at-time password-cache-expiry nil
121 #'password-cache-remove
122 key))
123 nil)
124
125;;;###autoload
126(defun read-passwd (prompt &optional confirm default)
127 "Read a password, prompting with PROMPT, and return it.
128If optional CONFIRM is non-nil, read the password twice to make sure.
129Optional DEFAULT is a default password to use instead of empty input.
130
131This function echoes `.' for each character that the user types.
132The user ends with RET, LFD, or ESC. DEL or C-h rubs out. C-u kills line.
133C-g quits; if `inhibit-quit' was non-nil around this function,
134then it returns nil if the user types C-g.
135
136Once the caller uses the password, it can erase the password
137by doing (clear-string STRING)."
138 (with-local-quit
139 (if confirm
140 (let (success)
141 (while (not success)
142 (let ((first (read-passwd prompt nil default))
143 (second (read-passwd "Confirm password: " nil default)))
144 (if (equal first second)
145 (progn
146 (and (arrayp second) (clear-string second))
147 (setq success first))
148 (and (arrayp first) (clear-string first))
149 (and (arrayp second) (clear-string second))
150 (message "Password not repeated accurately; please start over")
151 (sit-for 1))))
152 success)
153 (let ((pass nil)
154 (c 0)
155 (echo-keystrokes 0)
156 (cursor-in-echo-area t))
157 (while (progn (message "%s%s"
158 prompt
159 (make-string (length pass) ?.))
160 (setq c (read-char-exclusive nil t))
161 (and (/= c ?\r) (/= c ?\n) (/= c ?\e)))
162 (clear-this-command-keys)
163 (if (= c ?\C-u)
164 (progn
165 (and (arrayp pass) (clear-string pass))
166 (setq pass ""))
167 (if (and (/= c ?\b) (/= c ?\177))
168 (let* ((new-char (char-to-string c))
169 (new-pass (concat pass new-char)))
170 (and (arrayp pass) (clear-string pass))
171 (clear-string new-char)
172 (setq c ?\0)
173 (setq pass new-pass))
174 (if (> (length pass) 0)
175 (let ((new-pass (substring pass 0 -1)))
176 (and (arrayp pass) (clear-string pass))
177 (setq pass new-pass))))))
178 (message nil)
179 (or pass default "")))))
180
181(provide 'password)
182
183;;; arch-tag: ab160494-16c8-4c68-a4a1-73eebf6686e5
184;;; password.el ends here
diff --git a/lisp/subr.el b/lisp/subr.el
index 7a1d32e3979..d84aebceba4 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -1215,6 +1215,61 @@ any other non-digit terminates the character code and is then used as input."))
1215 (setq first nil)) 1215 (setq first nil))
1216 code)) 1216 code))
1217 1217
1218(defun read-passwd (prompt &optional confirm default)
1219 "Read a password, prompting with PROMPT, and return it.
1220If optional CONFIRM is non-nil, read the password twice to make sure.
1221Optional DEFAULT is a default password to use instead of empty input.
1222
1223This function echoes `.' for each character that the user types.
1224The user ends with RET, LFD, or ESC. DEL or C-h rubs out. C-u kills line.
1225C-g quits; if `inhibit-quit' was non-nil around this function,
1226then it returns nil if the user types C-g.
1227
1228Once the caller uses the password, it can erase the password
1229by doing (clear-string STRING)."
1230 (with-local-quit
1231 (if confirm
1232 (let (success)
1233 (while (not success)
1234 (let ((first (read-passwd prompt nil default))
1235 (second (read-passwd "Confirm password: " nil default)))
1236 (if (equal first second)
1237 (progn
1238 (and (arrayp second) (clear-string second))
1239 (setq success first))
1240 (and (arrayp first) (clear-string first))
1241 (and (arrayp second) (clear-string second))
1242 (message "Password not repeated accurately; please start over")
1243 (sit-for 1))))
1244 success)
1245 (let ((pass nil)
1246 (c 0)
1247 (echo-keystrokes 0)
1248 (cursor-in-echo-area t))
1249 (while (progn (message "%s%s"
1250 prompt
1251 (make-string (length pass) ?.))
1252 (setq c (read-char-exclusive nil t))
1253 (and (/= c ?\r) (/= c ?\n) (/= c ?\e)))
1254 (clear-this-command-keys)
1255 (if (= c ?\C-u)
1256 (progn
1257 (and (arrayp pass) (clear-string pass))
1258 (setq pass ""))
1259 (if (and (/= c ?\b) (/= c ?\177))
1260 (let* ((new-char (char-to-string c))
1261 (new-pass (concat pass new-char)))
1262 (and (arrayp pass) (clear-string pass))
1263 (clear-string new-char)
1264 (setq c ?\0)
1265 (setq pass new-pass))
1266 (if (> (length pass) 0)
1267 (let ((new-pass (substring pass 0 -1)))
1268 (and (arrayp pass) (clear-string pass))
1269 (setq pass new-pass))))))
1270 (message nil)
1271 (or pass default "")))))
1272
1218;; This should be used by `call-interactively' for `n' specs. 1273;; This should be used by `call-interactively' for `n' specs.
1219(defun read-number (prompt &optional default) 1274(defun read-number (prompt &optional default)
1220 (let ((n nil)) 1275 (let ((n nil))