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. 21 prefix=/usr/local 22 exec_prefix=${prefix} 23 sbindir=${exec_prefix}/sbin 24 25 # Initialize some variables. 26 grub_shell=${sbindir}/grub 27 progname="grub-md5-crypt" 28 29 # Check the arguments. 30 for option in "$@"; do 31 case "$option" in 32 -h | --help) 33 cat <<EOF 34 Usage: $progname [OPTION] 35 Encrypt a password in MD5 format. 36 37 -h, --help print this message and exit 38 -v, --version print the version information and exit 39 --grub-shell=FILE use FILE as the grub shell 40 41 Report bugs to <bug-grub@gnu.org>. 42 EOF 43 exit 0 44 ;; 45 46 -v | --version) 47 echo "$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 62 done 63 64 # Suppress echo backs. I don't know if this is really portable. -okuji 65 stty -echo 66 67 # Prompt to enter a password. 68 echo -n "Password: " 69 read -r password 70 echo 71 72 # One more time. 73 echo -n "Retype password: " 74 read -r password2 75 echo 76 77 # Resume echo backs. 78 stty echo 79 80 if test "x$password" = x; then 81 echo "Empty password is not permitted." 82 exit 1 83 fi 84 85 if test "x$password" != "x$password2"; then 86 echo "Sorry, passwords do not match." 87 exit 1 88 fi 89 90 # Run the grub shell. 91 $grub_shell --batch --device-map=/dev/null <<EOF \ 92 | grep "^Encrypted: " | sed 's/^Encrypted: //' 93 md5crypt 94 $password 95 quit 96 EOF 97 98 # Bye. 99 exit 0 100
