1#! /bin/sh 2 3# Encrypt a password in MD5 format 4# Copyright (C) 2000,2002 Free Software Foundation, Inc. 5# 6# This file is free software; you can redistribute it and/or modify it 7# under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 2 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, but 12# WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14# General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program; if not, write to the Free Software 18# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 20# Replaced by the configure script. 21prefix=@prefix@ 22exec_prefix=@exec_prefix@ 23sbindir=@sbindir@ 24 25# Initialize some variables. 26grub_shell=${sbindir}/grub 27progname="grub-md5-crypt" 28 29# Check the arguments. 30for option in "$@"; do 31 case "$option" in 32 -h | --help) 33 cat <<EOF 34Usage: $progname [OPTION] 35Encrypt a password in MD5 format. 36 37 -h, --help print this message and exit 38 -v, --version print the version information and exit 39 --grub-shell=FILE use FILE as the grub shell 40 41Report bugs to <bug-grub@gnu.org>. 42EOF 43 exit 0 44 ;; 45 46 -v | --version) 47 echo "$progname (GNU GRUB ${VERSION})" 48 exit 0 49 ;; 50 51 --grub-shell=*) 52 grub_shell=`echo "$option" | sed 's/--grub-shell=//'` 53 ;; 54 55 *) 56 echo "$progname: unrecognized option \`$option'" 57 echo "Usage: $progname [OPTION]" 58 echo "Try \`$progname --help' for more information." 59 exit 1 60 ;; 61 esac 62done 63 64# Suppress echo backs. I don't know if this is really portable. -okuji 65stty -echo 66 67# Prompt to enter a password. 68echo -n "Password: " 69read -r password 70echo 71 72# One more time. 73echo -n "Retype password: " 74read -r password2 75echo 76 77# Resume echo backs. 78stty echo 79 80if test "x$password" = x; then 81 echo "Empty password is not permitted." 82 exit 1 83fi 84 85if test "x$password" != "x$password2"; then 86 echo "Sorry, passwords do not match." 87 exit 1 88fi 89 90# Run the grub shell. 91$grub_shell --batch --device-map=/dev/null <<EOF \ 92 | grep "^Encrypted: " | sed 's/^Encrypted: //' 93md5crypt 94$password 95quit 96EOF 97 98# Bye. 99exit 0 100