1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
#! /bin/sh
# Encrypt a password in MD5 format
# Copyright (C) 2000,2002 Free Software Foundation, Inc.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Replaced by the configure script.
prefix=@prefix@
exec_prefix=@exec_prefix@
sbindir=@sbindir@
# Initialize some variables.
grub_shell=${sbindir}/grub
progname="grub-md5-crypt"
# Check the arguments.
for option in "$@"; do
case "$option" in
-h | --help)
cat <<EOF
Usage: $progname [OPTION]
Encrypt a password in MD5 format.
-h, --help print this message and exit
-v, --version print the version information and exit
--grub-shell=FILE use FILE as the grub shell
Report bugs to <bug-grub@gnu.org>.
EOF
exit 0
;;
-v | --version)
echo "$progname (GNU GRUB ${VERSION})"
exit 0
;;
--grub-shell=*)
grub_shell=`echo "$option" | sed 's/--grub-shell=//'`
;;
*)
echo "$progname: unrecognized option \`$option'"
echo "Usage: $progname [OPTION]"
echo "Try \`$progname --help' for more information."
exit 1
;;
esac
done
# Suppress echo backs. I don't know if this is really portable. -okuji
stty -echo
# Prompt to enter a password.
echo -n "Password: "
read -r password
echo
# One more time.
echo -n "Retype password: "
read -r password2
echo
# Resume echo backs.
stty echo
if test "x$password" = x; then
echo "Empty password is not permitted."
exit 1
fi
if test "x$password" != "x$password2"; then
echo "Sorry, passwords do not match."
exit 1
fi
# Run the grub shell.
$grub_shell --batch --device-map=/dev/null <<EOF \
| grep "^Encrypted: " | sed 's/^Encrypted: //'
md5crypt
$password
quit
EOF
# Bye.
exit 0
|
