File Coverage

blib/lib/Net/DNS/RR/NSEC3PARAM.pm

Criterion	Covered	Total	%
statement	55	55	100.0
branch	6	6	100.0
condition	10	10	100.0
subroutine	15	15	100.0
pod	5	6	100.0
total	91	92	100.0

package Net::DNS::RR::NSEC3PARAM;

use strict;
use warnings;
our $VERSION = (qw$Id: NSEC3PARAM.pm 1896 2023-01-30 12:59:25Z willem $)[2];

use base qw(Net::DNS::RR);


=head1 NAME

Net::DNS::RR::NSEC3PARAM - DNS NSEC3PARAM resource record

=cut

use integer;

use Carp;


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

	my $size = unpack "\@$offset x4 C", $$data;
	@{$self}{qw(algorithm flags iterations saltbin)} = unpack "\@$offset CCnx a$size", $$data;
	return;
}


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

	my $salt = $self->saltbin;
	return pack 'CCnCa*', @{$self}{qw(algorithm flags iterations)}, length($salt), $salt;
}


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

	return join ' ', $self->algorithm, $self->flags, $self->iterations, $self->salt || '-';
}


sub _parse_rdata {			## populate RR from rdata in argument list
	my ( $self, @argument ) = @_;

	for (qw(algorithm flags iterations)) { $self->$_( shift @argument ) }
	my $salt = shift @argument;
	$self->salt($salt) unless $salt eq '-';
	return;
}


sub algorithm {
	my ( $self, @value ) = @_;
	for (@value) { $self->{algorithm} = 0 + $_ }
	return $self->{algorithm} || 0;
}


sub flags {
	my ( $self, @value ) = @_;
	for (@value) { $self->{flags} = 0 + $_ }
	return $self->{flags} || 0;
}


sub iterations {
	my ( $self, @value ) = @_;
	for (@value) { $self->{iterations} = 0 + $_ }
	return $self->{iterations} || 0;
}


sub salt {
	my ( $self, @value ) = @_;
	return unpack "H*", $self->saltbin() unless scalar @value;
	my @hex = map { /^"*([\dA-Fa-f]*)"*$/ || croak("corrupt hex"); $1 } @value;
	return $self->saltbin( pack "H*", join "", @hex );
}


sub saltbin {
	my ( $self, @value ) = @_;
	for (@value) { $self->{saltbin} = $_ }
	return $self->{saltbin} || "";
}


########################################

sub hashalgo { return &algorithm; }				# uncoverable pod

########################################


1;
__END__