mirror of
https://git.savannah.gnu.org/git/grub.git
synced 2026-10-22 07:12:39 +00:00
94 lines
2.3 KiB
Bash
94 lines
2.3 KiB
Bash
#! /bin/sh
|
|
|
|
# Encrypt a password in MD5 format
|
|
# Copyright (C) 2000 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.
|
|
|
|
# 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 only one line... I don't know any really portable command for this.
|
|
# Does anyone know? -okuji
|
|
if test "x$BASH" = x; then
|
|
# FIXME: Use Perl instead at the moment.
|
|
password=`perl -e '$line = <>; print $line;'`
|
|
else
|
|
# In BASH, use the builtin command ``read''.
|
|
read -r password
|
|
fi
|
|
|
|
# Resume echo backs.
|
|
echo
|
|
stty echo
|
|
|
|
if test "x$password" = x; then
|
|
echo "Empty password is not permitted."
|
|
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
|