# $Id: 08-IPv6.t 1439 2015-12-07 10:37:41Z willem $ -*-perl-*-
use strict;
use Test::More;
use t::NonFatal;
use Net::DNS;
my $debug = 0;
my @hints = qw(
2001:503:ba3e::2:30
2001:500:84::b
2001:500:2::c
2001:500:2d::d
2001:500:2f::f
2001:500:1::53
2001:7fe::53
2001:503:c27::2:30
2001:7fd::1
2001:500:3::42
2001:dc3::35
);
exit( plan skip_all => 'Online tests disabled.' ) if -e 't/online.disabled';
exit( plan skip_all => 'Online tests disabled.' ) unless -e 't/online.enabled';
exit( plan skip_all => 'IPv6 tests disabled.' ) if -e 't/IPv6.disabled';
exit( plan skip_all => 'IPv6 tests disabled.' ) unless -e 't/IPv6.enabled';
eval {
my $resolver = new Net::DNS::Resolver( prefer_v6 => 1 );
exit plan skip_all => 'No nameservers' unless $resolver->nameservers;
my $reply = $resolver->send(qw(. NS IN)) || die;
my @ns = grep $_->type eq 'NS', $reply->answer, $reply->authority;
exit plan skip_all => 'Local nameserver broken' unless scalar @ns;
1;
} || exit( plan skip_all => 'Non-responding local nameserver' );
eval {
my $resolver = new Net::DNS::Resolver( nameservers => [@hints] );
exit plan skip_all => 'No IPv6 transport' unless $resolver->nameservers;
my $reply = $resolver->send(qw(. NS IN)) || die;
my @ns = grep $_->type eq 'NS', $reply->answer, $reply->authority;
exit plan skip_all => 'Unexpected response from root server' unless scalar @ns;
1;
} || exit( plan skip_all => 'Unable to reach global root nameservers' );
my $IP = eval {
my $resolver = Net::DNS::Resolver->new();
my $nsreply = $resolver->send(qw(net-dns.org NS IN)) || die;
my @nsdname = map $_->nsdname, grep $_->type eq 'NS', $nsreply->answer;
# assume any IPv6 net-dns.org nameserver will do
$resolver->force_v6(1);
$resolver->nameservers(@nsdname);
my @ip = $resolver->nameservers();
scalar(@ip) ? [@ip] : undef;
} || exit( plan skip_all => 'Unable to reach target nameserver' );
diag join( "\n\t", 'will use nameservers', @$IP ) if $debug;
plan tests => 33;
NonFatalBegin();
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
my $udp = $resolver->send(qw(net-dns.org SOA IN));
ok( $udp, '$resolver->send(...) UDP' );
$resolver->usevc(1);
my $tcp = $resolver->send(qw(net-dns.org SOA IN));
ok( $tcp, '$resolver->send(...) TCP' );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
$resolver->force_v4(1);
my @ns = $resolver->nameservers;
is( $resolver->errorstring, 'IPv6 transport disabled', 'force_v4(1) gives error' );
my $udp = $resolver->send(qw(net-dns.org SOA IN));
ok( !$udp, 'fail $resolver->send() UDP' );
$resolver->usevc(1);
my $tcp = $resolver->send(qw(net-dns.org SOA IN));
ok( !$tcp, 'fail $resolver->send() TCP' );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
my $udp = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $udp, '$resolver->bgsend(...) UDP' );
until ( $resolver->bgisready($udp) ) {
sleep 1;
}
ok( $resolver->bgread($udp), '$resolver->bgread()' );
$resolver->usevc(1);
my $tcp = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $tcp, '$resolver->bgsend(...) TCP' );
until ( $resolver->bgisready($tcp) ) {
sleep 1;
}
ok( $resolver->bgread($tcp), '$resolver->bgread()' );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
$resolver->persistent_udp(1);
my $handle = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $handle, '$resolver->bgsend(...) persistent UDP' );
ok( $resolver->bgread($handle), '$resolver->bgread()' );
my $test = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $test, '$resolver->bgsend(...) persistent UDP' );
is( $test, $handle, 'same UDP socket object used' );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
$resolver->persistent_tcp(1);
$resolver->usevc(1);
my $handle = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $handle, '$resolver->bgsend(...) persistent TCP' );
ok( $resolver->bgread($handle), '$resolver->bgread()' );
my $test = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $test, '$resolver->bgsend(...) persistent TCP' );
is( $test, $handle, 'same TCP socket object used' );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
$resolver->srcaddr('::');
$resolver->srcport(2345);
my $udp = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $udp, '$resolver->bgsend(...) specify UDP local address & port' );
$resolver->usevc(1);
my $tcp = $resolver->bgsend(qw(net-dns.org SOA IN));
ok( $tcp, '$resolver->bgsend(...) specify TCP local address & port' );
}
{
my $resolver = Net::DNS::Resolver->new();
$resolver->retrans(0);
$resolver->retry(0);
my $query = $resolver->query( undef, qw(SOA IN) );
ok( $query, '$resolver->query( undef, ... ) defaults to "." ' );
my $search = $resolver->search( undef, qw(SOA IN) );
ok( $search, '$resolver->search( undef, ... ) defaults to "." ' );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
my @mx = mx( $resolver, 'mx2.t.net-dns.org' );
is( scalar(@mx), 2, 'mx() works with specified resolver' );
# some people seem to use mx() in scalar context
is( scalar mx( $resolver, 'mx2.t.net-dns.org' ), 2, 'mx() works in scalar context' );
is( scalar mx('mx2.t.net-dns.org'), 2, 'mx() works with default resolver' );
is( scalar mx('bogus.t.net-dns.org'), 0, "mx() works for bogus name" );
}
{
my $resolver = Net::DNS::Resolver->new( nameservers => $IP );
$resolver->tcp_timeout(10);
eval { $resolver->tsig( 'MD5.example', 'ARDJZgtuTDzAWeSGYPAu9uJUkX0=' ) };
my $iter = $resolver->axfr('example.com');
is( ref($iter), 'CODE', '$resolver->axfr() returns iterator CODE ref' );
my $error = $resolver->errorstring;
like( $error, '/NOTAUTH/', '$resolver->errorstring() reports RCODE from server' );
my @zone = eval { $resolver->axfr('example.com') };
ok( $resolver->errorstring, '$resolver->axfr() works in list context' );
ok( $resolver->axfr_start('example.com'), '$resolver->axfr_start() (historical)' );
is( $resolver->axfr_next(), undef, '$resolver->axfr_next()' );
}
{
my $resolver = Net::DNS::Resolver->new();
$resolver->nameservers();
ok( !scalar( $resolver->nameservers ), 'no nameservers' );
}
{
my $resolver = Net::DNS::Resolver->new();
$resolver->nameserver('cname.t.net-dns.org');
ok( scalar( $resolver->nameservers ), 'resolve nameserver cname' );
}
{
my $resolver = Net::DNS::Resolver->new();
my @warnings;
local $SIG{__WARN__} = sub { push( @warnings, "@_" ); };
my $ns = 'bogus.example.com.';
my @ip = $resolver->nameserver($ns);
my ($warning) = @warnings;
chomp $warning;
ok( $warning, "unresolved nameserver warning\t[$warning]" )
|| diag "\tnon-existent '$ns' resolved: @ip";
}
NonFatalEnd();
exit;
__END__