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TKEY.pm	4.5 KB	-rw-r--r--
TLSA.pm	3.64 KB	-rw-r--r--
TSIG.pm	9.38 KB	-rw-r--r--
TXT.pm	3.16 KB	-rw-r--r--
X25.pm	1.96 KB	-rw-r--r--

Code Editor : TLSA.pm

package Net::DNS::RR::TLSA;

#
# $Id: TLSA.pm 1096 2012-12-28 13:35:15Z willem $
#
use vars qw($VERSION);
$VERSION = (qw$LastChangedRevision: 1096 $)[1]; # Unchanged since 1037

use base Net::DNS::RR;

=head1 NAME

Net::DNS::RR::TLSA - DNS TLSA resource record

=cut

sub decode_rdata {			## decode rdata from wire-format octet string
	my $self = shift;
	my ( $data, $offset ) = @_;

my $next = $offset + $self->{rdlength};

@{$self}{qw(usage selector matchingtype)} = unpack "\@$offset C3", $$data;
	$offset += 3;
	$self->{certbin} = substr $$data, $offset, $next - $offset;
}

sub encode_rdata {			## encode rdata as wire-format octet string
	my $self = shift;

return '' unless defined $self->{certbin};
	return pack 'C3 a*', @{$self}{qw(usage selector matchingtype certbin)};
}

sub format_rdata {			## format rdata portion of RR string.
	my $self = shift;

return '' unless defined $self->{certbin};
	my @params = map $self->$_, qw(usage selector matchingtype);
	my $certificate = $self->cert;
	$certificate =~ s/(\S{64})/$1\n/g;
	$certificate = "(\n$certificate )" if length $certificate > 40;
	return join ' ', @params, $certificate;
}

sub parse_rdata {			## populate RR from rdata in argument list
	my $self = shift;

$self->$_(shift) for qw(usage selector matchingtype);
	$self->cert(@_);
}

sub usage {
	my $self = shift;

$self->{usage} = shift if @_;
	return 0 + ( $self->{usage} || 0 );
}

sub selector {
	my $self = shift;

$self->{selector} = shift if @_;
	return 0 + ( $self->{selector} || 0 );
}

sub matchingtype {
	my $self = shift;

$self->{matchingtype} = shift if @_;
	return 0 + ( $self->{matchingtype} || 0 );
}

sub cert {
	my $self = shift;

$self->{certbin} = pack "H*", map { s/\s+//g; $_ } join "", @_ if @_;
	unpack "H*", $self->{certbin} || "" if defined wantarray;
}

sub certbin {
	my $self = shift;

$self->{certbin} = shift if @_;
	$self->{certbin} || "";
}

sub certificate { &cert; }

1;
__END__

=head1 SYNOPSIS

use Net::DNS;
    $rr = new Net::DNS::RR('name TLSA usage selector matchingtype certificate');

=head1 DESCRIPTION

The Transport Layer Security Authentication (TLSA) DNS resource record
is used to associate a TLS server certificate or public key with the
domain name where the record is found, forming a "TLSA certificate
association".  The semantics of how the TLSA RR is interpreted are
described in RFC6698.

=head1 METHODS

The available methods are those inherited from the base class augmented
by the type-specific methods defined in this package.

Use of undocumented package features or direct access to internal data
structures is discouraged and could result in program termination or
other unpredictable behaviour.

=head2 usage

$usage = $rr->usage;

8-bit integer value which specifies the provided association that
will be used to match the certificate presented in the TLS handshake.

=head2 selector

$selector = $rr->selector;

8-bit integer value which specifies which part of the TLS certificate
presented by the server will be matched against the association data.

=head2 matchingtype

$matchingtype = $rr->matchingtype;

8-bit integer value  which specifies how the certificate association
is presented.

=head2 cert

$cert = $rr->cert;

Hexadecimal representation of the certificate data.

=head2 certbin

$certbin = $rr->certbin;

Binary representation of the certificate data.

=head1 COPYRIGHT

This program is free software; you may redistribute it and/or
modify it under the same terms as Perl itself.

=head1 SEE ALSO

L<perl>, L<Net::DNS>, L<Net::DNS::RR>, RFC6698

=cut

${this.title}

Code Editor : TLSA.pm