# $Id: 05-NSEC3PARAM.t 1362 2015-06-23 08:47:14Z willem $ -*-perl-*-
use strict;
use Test::More tests => 22;
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', new Net::DNS::RR(". $type")->encode;
is( $typecode, $code, "$type RR type code = $code" );
my $hash = {};
@{$hash}{@attr} = @data;
my $rr = new Net::DNS::RR(
name => $name,
type => $type,
%$hash
);
my $string = $rr->string;
my $rr2 = new Net::DNS::RR($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 $null = new Net::DNS::RR("$name NULL")->encode;
my $empty = new Net::DNS::RR("$name $type")->encode;
my $rxbin = decode Net::DNS::RR( \$empty )->encode;
my $txtext = new Net::DNS::RR("$name $type")->string;
my $rxtext = new Net::DNS::RR($txtext)->encode;
my $encoded = $rr->encode;
my $decoded = decode Net::DNS::RR( \$encoded );
my $hex1 = unpack 'H*', $encoded;
my $hex2 = unpack 'H*', $decoded->encode;
my $hex3 = unpack 'H*', substr( $encoded, length $null );
is( $hex2, $hex1, 'encode/decode transparent' );
is( $hex3, $wire, 'encoded RDATA matches example' );
is( length($empty), length($null), 'encoded RDATA can be empty' );
is( length($rxbin), length($null), 'decoded RDATA can be empty' );
is( length($rxtext), length($null), 'string RDATA can be empty' );
}
{
my $rr = new Net::DNS::RR(". $type");
foreach (@attr) {
ok( !$rr->$_(), "'$_' attribute of empty RR undefined" );
}
}
{
# check parsing of RR with null salt (RT#95034)
my $string = 'nosalt.example. IN NSEC3PARAM 2 0 12 -';
my $rr = eval { Net::DNS::RR->new($string) };
diag $@ if $@;
ok( $rr, 'NSEC3PARAM created with null salt' );
is( $rr->salt, '', 'NSEC3PARAM null salt value' );
is( unpack( 'H*', $rr->saltbin ), '', 'NSEC3PARAM null salt binary value' );
is( $rr->string, $string, 'NSEC3PARAM null salt binary value' );
}
{
my $rr = eval { Net::DNS::RR->new('corrupt.example NSEC3PARAM 2 0 12 aabbccfs') };
ok( !$rr, 'NSEC3PARAM not created with corrupt hex data' );
}
exit;