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#!/usr/bin/perl
# $Id: 05-CERT.t 1910 2023-03-30 19:16:30Z willem $ -*-perl-*-
#
use strict;
use warnings;
use Test::More;
use TestToolkit;
use Net::DNS;
my @prerequisite = qw(
MIME::Base64
);
foreach my $package (@prerequisite) {
next if eval "require $package"; ## no critic
plan skip_all => "$package not installed";
exit;
}
plan tests => 21;
my $name = 'CERT.example';
my $type = 'CERT';
my $code = 37;
my @attr = qw( certtype keytag algorithm cert );
my @data = qw( 1 2 3 MTIzNDU2Nzg5YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXo= );
my @also = qw( certificate format tag );
my $wire = '00010002033132333435363738396162636465666768696a6b6c6d6e6f707172737475767778797a';
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) {
next if /certificate/;
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('foo IN CERT 1 2 3 foo=') ) {
is( $rr->algorithm('MNEMONIC'), 'DSA', 'algorithm mnemonic' );
$rr->algorithm(255);
is( $rr->algorithm('MNEMONIC'), 255, 'algorithm with no mnemonic' );
exception( 'unknown algorithm mnemonic', sub { $rr->algorithm('X') } );
noexception( 'valid certtype mnemonic', sub { $rr->certtype('PKIX') } );
exception( 'unknown certtype mnemonic', sub { $rr->certtype('X') } );
}
is( Net::DNS::RR->new('foo IN CERT 0 2 3 foo=')->certtype, 0, 'certtype may be zero' );
is( Net::DNS::RR->new('foo IN CERT 1 0 3 foo=')->keytag, 0, 'keytag may be zero' );
is( Net::DNS::RR->new('foo IN CERT 1 2 0 foo=')->algorithm, 0, 'algorithm may be zero' );
is( Net::DNS::RR->new('foo IN CERT 1 2 3 "" ')->cert, "", 'cert may be empty' );
exit;
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