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- #! /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=/
- 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
-