/usr/sbin/grub-md5-crypt is in grub 0.97-29ubuntu68.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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=/usr
exec_prefix=${prefix}
sbindir=${exec_prefix}/sbin
# 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
|