1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
#!/usr/bin/perl
# $Id: 05-TXT.t 1910 2023-03-30 19:16:30Z willem $ -*-perl-*-
#
use strict;
use warnings;
use Test::More tests => 50;
use TestToolkit;
use Net::DNS;
my $name = 'TXT.example';
my $type = 'TXT';
my $code = 16;
my @attr = qw( txtdata );
my @data = qw( arbitrary_text );
my @also = qw( char_str_list );
my $wire = '0e6172626974726172795f74657874';
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) {
ok( $rr->$_, "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' );
my $emptyrr = Net::DNS::RR->new("$name $type")->encode;
my $corrupt = pack 'a*X2na*', $emptyrr, $decoded->rdlength - 1, $rr->rdata;
exception( 'corrupt wire-format', sub { Net::DNS::RR->decode( \$corrupt ) } );
}
for my $rr ( Net::DNS::RR->new(". $type") ) {
foreach (@attr) {
ok( !$rr->$_(), "'$_' attribute of empty RR undefined" );
}
}
{
foreach my $testcase (
q|contiguous|,
q|three unquoted strings|,
q|"in quotes"|,
q|"two separate" "quoted strings"|,
q|"" empty|,
q|" " space|,
q|!|, q|\"|, q|#|, q|$|, q|%|, q|&|, q|'|, q|\(|, q|\)|, q|*|,
q|+|, q|,|, q|-|, q|.|, q|/|, q|:|, q|\;|, q|<|, q|=|, q|>|,
q|?|, q|@|, q|[|, q|\\\\|, q|]|, q|^|, q|_|, q|`|, q|{|, q(|),
q|}|, q|~|, q|0|, q|1|,
join( q|\227\128\128|, q|\229\143\164\230\177\160\227\130\132|,
q|\232\155\153\233\163\155\232\190\188\227\130\128|,
q|\230\176\180\227\129\174\233\159\179| )
) {
my $string = "$name. TXT $testcase";
my $expect = Net::DNS::RR->new($string)->string; # test for consistent parsing
my $result = Net::DNS::RR->new($expect)->string;
is( $result, $expect, $string );
}
}
exit;
__END__
|
