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# $Id: 05-NSEC3.t 1389 2015-09-09 13:09:43Z willem $ -*-perl-*-
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#
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use strict;
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use Test::More tests => 26;
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use Net::DNS;
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my $name = '0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example';
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my $type = 'NSEC3';
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my $code = 50;
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my @attr = qw( algorithm flags iterations salt hnxtname typelist );
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my @data = qw( 1 1 12 aabbccdd 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM );
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my @hash = ( qw( 1 1 12 aabbccdd 2t7b4g4vsa5smi47k61mv5bv1a22bojr ), q(NS SOA MX RRSIG DNSKEY NSEC3PARAM) );
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my @also = qw( hashalgo optout );
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my $wire = '0101000c04aabbccdd14174eb2409fe28bcb4887a1836f957f0a8425e27b000722010000000290';
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{
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my $typecode = unpack 'xn', new Net::DNS::RR(". $type")->encode;
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is( $typecode, $code, "$type RR type code = $code" );
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my $hash = {};
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@{$hash}{@attr} = @hash;
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my $rr = new Net::DNS::RR(
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name => $name,
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type => $type,
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%$hash
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);
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my $string = $rr->string;
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my $rr2 = new Net::DNS::RR($string);
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is( $rr2->string, $string, 'new/string transparent' );
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is( $rr2->encode, $rr->encode, 'new($string) and new(%hash) equivalent' );
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foreach (@attr) {
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my $a = join ' ', sort split /\s+/, $rr->$_; # typelist order unspecified
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my $b = join ' ', sort split /\s+/, $hash->{$_};
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is( $a, $b, "expected result from rr->$_()" );
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}
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foreach (@also) {
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is( $rr2->$_, $rr->$_, "additional attribute rr->$_()" );
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}
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my $null = new Net::DNS::RR("$name NULL")->encode;
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my $empty = new Net::DNS::RR("$name $type")->encode;
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my $rxbin = decode Net::DNS::RR( \$empty )->encode;
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my $txtext = new Net::DNS::RR("$name $type")->string;
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my $rxtext = new Net::DNS::RR($txtext)->encode;
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my $encoded = $rr->encode;
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my $decoded = decode Net::DNS::RR( \$encoded );
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my $hex1 = unpack 'H*', $encoded;
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my $hex2 = unpack 'H*', $decoded->encode;
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my $hex3 = unpack 'H*', substr( $encoded, length $null );
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is( $hex2, $hex1, 'encode/decode transparent' );
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is( $hex3, $wire, 'encoded RDATA matches example' );
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is( length($empty), length($null), 'encoded RDATA can be empty' );
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is( length($rxbin), length($null), 'decoded RDATA can be empty' );
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is( length($rxtext), length($null), 'string RDATA can be empty' );
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}
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{
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my @rdata = qw(1 1 12 - 2t7b4g4vsa5smi47k61mv5bv1a22bojr A);
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my $rr = new Net::DNS::RR(". $type @rdata");
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my $class = ref($rr);
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$rr->algorithm('SHA-1');
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is( $rr->algorithm(), 1, 'algorithm mnemonic accepted' );
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is( $rr->algorithm('MNEMONIC'), 'SHA-1', "rr->algorithm('MNEMONIC')" );
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is( $class->algorithm('SHA-1'), 1, "class method algorithm('SHA-1')" );
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is( $class->algorithm(1), 'SHA-1', "class method algorithm(1)" );
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is( $class->algorithm(255), 255, "class method algorithm(255)" );
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eval { $rr->algorithm('X'); };
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my $exception = $1 if $@ =~ /^(.+)\n/;
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ok( $exception ||= '', "unknown mnemonic\t[$exception]" );
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}
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{
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my @rdata = qw(1 1 12 - 2t7b4g4vsa5smi47k61mv5bv1a22bojr A);
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my $rr = new Net::DNS::RR(". $type @rdata");
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is( $rr->salt, '', 'parse RR with salt field placeholder' );
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is( $rr->rdstring, "@rdata", 'placeholder denotes empty salt field' );
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is( unpack( 'H*', $rr->saltbin ), '', 'null salt binary value' );
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eval { $rr->salt('123456789XBCDEF'); };
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my $exception = $1 if $@ =~ /^(.+)\n/;
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ok( $exception ||= '', "corrupt hexadecimal\t[$exception]" );
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}
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{
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my $rr = new Net::DNS::RR("$name $type @data");
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$rr->print;
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}
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exit;
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