106 lines
2.0 KiB
Perl
106 lines
2.0 KiB
Perl
# Copyright (c) 2002 Graham Barr <gbarr@pobox.com>. All rights reserved.
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# This program is free software; you can redistribute it and/or
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# modify it under the same terms as Perl itself.
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package Authen::SASL::Perl::CRAM_MD5;
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use strict;
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use vars qw($VERSION @ISA);
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use Digest::HMAC_MD5 qw(hmac_md5_hex);
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$VERSION = "2.14";
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@ISA = qw(Authen::SASL::Perl);
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my %secflags = (
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noplaintext => 1,
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noanonymous => 1,
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);
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sub _order { 2 }
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sub _secflags {
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shift;
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scalar grep { $secflags{$_} } @_;
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}
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sub mechanism { 'CRAM-MD5' }
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sub client_start {
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'';
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}
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sub client_step {
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my ($self, $string) = @_;
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my ($user, $pass) = map {
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my $v = $self->_call($_);
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defined($v) ? $v : ''
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} qw(user pass);
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$user . " " . hmac_md5_hex($string,$pass);
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}
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1;
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__END__
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=head1 NAME
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Authen::SASL::Perl::CRAM_MD5 - CRAM MD5 Authentication class
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=head1 SYNOPSIS
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use Authen::SASL qw(Perl);
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$sasl = Authen::SASL->new(
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mechanism => 'CRAM-MD5',
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callback => {
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user => $user,
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pass => $pass
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},
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);
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=head1 DESCRIPTION
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This method implements the client part of the CRAM-MD5 SASL algorithm,
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as described in RFC 2195 resp. in IETF Draft draft-ietf-sasl-crammd5-XX.txt.
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=head2 CALLBACK
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The callbacks used are:
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=over 4
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=item user
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The username to be used for authentication
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=item pass
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The user's password to be used for authentication
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=back
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=head1 SEE ALSO
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L<Authen::SASL>,
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L<Authen::SASL::Perl>
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=head1 AUTHORS
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Software written by Graham Barr <gbarr@pobox.com>,
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documentation written by Peter Marschall <peter@adpm.de>.
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Please report any bugs, or post any suggestions, to the perl-ldap mailing list
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<perl-ldap@perl.org>
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=head1 COPYRIGHT
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Copyright (c) 2002-2004 Graham Barr.
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All rights reserved. This program is free software; you can redistribute
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it and/or modify it under the same terms as Perl itself.
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Documentation Copyright (c) 2004 Peter Marschall.
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All rights reserved. This documentation is distributed,
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and may be redistributed, under the same terms as Perl itself.
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=cut
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