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#!/usr/bin/perl
# $Id: 05-NSEC3PARAM.t 1910 2023-03-30 19:16:30Z willem $ -*-perl-*-
#
use strict;
use warnings;
use Test::More tests => 17;
use TestToolkit;
use Net::DNS;
my $name = 'example';
my $type = 'NSEC3PARAM';
my $code = 51;
my @attr = qw( algorithm flags iterations salt );
my @data = qw( 1 1 12 aabbccdd );
my @also = qw( hashalgo );
my $wire = '0101000c04aabbccdd';
my $typecode = unpack 'xn', Net::DNS::RR->new( type => $type )->encode;
is( $typecode, $code, "$type RR type code = $code" );
my $hash = {};
@{$hash}{@attr} = @data;
for my $rr ( Net::DNS::RR->new( name => $name, type => $type, %$hash ) ) {
my $string = $rr->string;
my $rr2 = Net::DNS::RR->new($string);
is( $rr2->string, $string, 'new/string transparent' );
is( $rr2->encode, $rr->encode, 'new($string) and new(%hash) equivalent' );
foreach (@attr) {
is( $rr->$_, $hash->{$_}, "expected result from rr->$_()" );
}
foreach (@also) {
is( $rr2->$_, $rr->$_, "additional attribute rr->$_()" );
}
my $encoded = $rr->encode;
my $decoded = Net::DNS::RR->decode( \$encoded );
my $hex1 = unpack 'H*', $encoded;
my $hex2 = unpack 'H*', $decoded->encode;
my $hex3 = unpack 'H*', $rr->rdata;
is( $hex2, $hex1, 'encode/decode transparent' );
is( $hex3, $wire, 'encoded RDATA matches example' );
}
for my $rr ( Net::DNS::RR->new(". $type") ) {
foreach (@attr) {
ok( !$rr->$_(), "'$_' attribute of empty RR undefined" );
}
}
for my $rr ( Net::DNS::RR->new(<<'END') ) { ## RR with null salt (RT#95034)
nosalt.example. IN NSEC3PARAM 2 0 12 -
END
ok( $rr->string, 'NSEC3PARAM created' );
is( unpack( 'H*', $rr->saltbin ), '', 'NSEC3PARAM null salt value' );
}
exception( 'NSEC3PARAM with corrupt salt', sub { Net::DNS::RR->new('corrupt NSEC3PARAM 2 0 12 aabbccfs') } );
exit;
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