#!@PERL@ # # cryptpasswd Generate or check md5 and DES hashed passwords. # # This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA # # Copyright (C) 2001 The FreeRADIUS Project http://www.freeradius.org # # Written by Miquel van Smoorenburg # # $Id$ # use Getopt::Long; sub check_des { return (crypt("fnord", "aa") =~ m/^aa/); } sub check_md5 { return (crypt("fnord", "\$1\$aa") =~ m/^\$1\$/); } sub usage { $name = $0; $name =~ s,.*/,,; die "Usage: $name [--des|--md5|--check] plaintext_password [crypted_password]\n"; } @saltc = ( '.', '/', '0'..'9', 'A'..'Z', 'a'..'z' ); # # MAIN # sub main { Getopt::Long::Configure("no_ignore_case", "bundling"); my @options = ( "des|d+", "md5|m+", "check|c+" ); usage() unless (eval { Getopt::Long::GetOptions(@options) } ); if ($opt_check) { usage unless ($#ARGV == 1); if (crypt($ARGV[0], $ARGV[1]) ne $ARGV[1]) { print "Password BAD\n"; return 0; } else { print "Password OK\n"; return 1; } } $opt_des = 1 unless ($opt_des || $opt_md5); usage() unless ($#ARGV == 0); die "DES password hashing not available\n" if ($opt_des && !check_des()); die "MD5 password hashing not available\n" if ($opt_md5 && !check_md5()); $salt = ($opt_md5 ? '$1$' : ''); for ($i = 0; $i < ($opt_md5 ? 8 : 2); $i++) { $salt .= $saltc[rand 64]; } $salt .= '$' if ($opt_md5); print crypt($ARGV[0], $salt), "\n"; 1; } exit !main();