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# $Id: 11-inet6.t 694 2007-12-28 10:32:17Z olaf $ -*-perl-*-
my $has_inet6;
use Test::More tests=>12;
use strict;
BEGIN { use_ok('Net::DNS');
if ( eval {require Socket6;} &&
# INET6 older than 2.01 will not work; sorry.
eval {require IO::Socket::INET6; IO::Socket::INET6->VERSION("2.01");}) {
import Socket6;
$has_inet6=1;
}else{
$has_inet6=0;
}
}
SKIP: { skip "Socket6 and or IO::Socket::INET6 not loaded\n".
"You will need to install these modules for IPv6 transport support", 11 unless $has_inet6;
diag "";
diag "The libraries needed for IPv6 support have been found\n";
diag "\t\tNow we establish if we can bind to ::1";
# First test is to bind a nameserver to the ::1 port.
# That beast should be available on every machine.
# Let us bind a nameserver to ::1. First lets see if we can open a
# socket anyhow.
my $tstsock = IO::Socket::INET6->new(
Proto => 'tcp',
LocalAddr => '::1'
)
or diag "\n\n\t\tFailed to bind to ::1\n\t\t$!\n\n".
"\t\tWe assume there is no IPv6 connectivity and skip the tests\n\n";
;
}
exit unless $has_inet6; #This prevents nested SKIP blocks..
my $answer;
my $res= Net::DNS::Resolver->new;
;
my $res2;
my $AAAA_address;
my $A_address;
SKIP: { skip "online tests are not enabled", 3 unless -e 't/online.enabled';
# First use the local resolver to query for the AAAA record of a
# well known nameserver, than use v6 transport to get to that record.
diag "";
diag "";
diag "\tTesting for global IPv6 connectivity...\n";
diag "\t\t preparing...";
$res->debug(1);
my $nsanswer=$res->send("ripe.net","NS","IN");
use Data::Dumper;
print Dumper $nsanswer->answer;
is (($nsanswer->answer)[0]->type, "NS","Preparing for v6 transport, got NS records for ripe.net");
foreach my $ns ($nsanswer->answer){
# print $ns->nsdname ."\n";
next if $ns->nsdname !~ /ripe\.net/i; # User ripe.net only
my $a_answer=$res->send($ns->nsdname,"A","IN");
next if ($a_answer->header->ancount == 0);
is (($a_answer->answer)[0]->type,"A", "Preparing for v4 transport, got A records for ". $ns->nsdname);
$A_address=($a_answer->answer)[0]->address;
diag ("\n\t\t Will try to connect to ". $ns->nsdname . " ($A_address)");
last;
}
foreach my $ns ($nsanswer->answer){
next if $ns->nsdname !~ /ripe\.net/i; # User ripe.net only
my $aaaa_answer=$res->send($ns->nsdname,"AAAA","IN");
next if ($aaaa_answer->header->ancount == 0);
is (($aaaa_answer->answer)[0]->type,"AAAA", "Preparing for v6 transport, got AAAA records for ". $ns->nsdname);
$AAAA_address=($aaaa_answer->answer)[0]->address;
diag ("\n\t\t Will try to connect to ". $ns->nsdname . " ($AAAA_address)");
last;
}
$res->nameservers($AAAA_address);
# $res->print;
$answer=$res->send("ripe.net","SOA","IN");
if($res->errorstring =~ /Send error: /){
diag "\n\t\t Connection failed: " . $res->errorstring ;
diag "\n\t\t It seems you do not have global IPv6 connectivity' \n" ;
diag "\t\t This is not an error in Net::DNS \n";
diag "\t\t You can confirm this by trying 'ping6 ".$AAAA_address."' \n\n";
}
}
SKIP: { skip "No answer available to analyse (". $res->errorstring.")\n or online tests are not enabledd", 1 unless ( -e 't/online.enabled' && $answer );
# $answer->print;
is (($answer->answer)[0]->type, "SOA","Query over udp6 succeeded");
}
SKIP: { skip "online tests are not enabled", 2 unless -e 't/online.enabled';
$res->usevc(1);
$res->force_v4(1);
# $res->print;
# $res->debug(1);
$answer=$res->send("ripe.net","SOA","IN");
is ($res->errorstring,"no nameservers","Correct errorstring when forcing v4");
$res->force_v4(0);
$answer=$res->send("ripe.net","NS","IN");
if ($answer){
is (($answer->answer)[0]->type, "NS","Query over tcp6 succeeded");
}else{
diag "You can safely ignore the following message:";
diag ($res->errorstring) if ($res->errorstring ne "connection failed(IPv6 socket failure)");
diag ("configuring ".$AAAA_address." ". $A_address." as nameservers");
$res->nameservers($AAAA_address,$A_address);
undef $answer;
# $res->print;
$answer=$res->send("ripe.net","NS","IN");
is (($answer->answer)[0]->type, "NS","Fallback to V4 succeeded");
}
}
#
#
# Now test AXFR functionality.
#
#
my $socket;
SKIP: { skip "online tests are not enabled", 2 unless -e 't/online.enabled';
# First use the local resolver to query for the AAAA record of a
$res2=Net::DNS::Resolver->new;
# $res2->debug(1);
my $nsanswer=$res2->send("net-dns.org","NS","IN");
is (($nsanswer->answer)[0]->type, "NS","Preparing for v6 transport, got NS records for net-dns.org");
my $AAAA_address;
foreach my $ns ($nsanswer->answer){
# next if $ns->nsdname !~ /ripe\.net/; # User ripe.net only
my $aaaa_answer=$res2->send($ns->nsdname,"AAAA","IN");
next if ($aaaa_answer->header->ancount == 0);
is (($aaaa_answer->answer)[0]->type,"AAAA", "Preparing for v6 transport, got AAAA records for ". $ns->nsdname);
$AAAA_address=($aaaa_answer->answer)[0]->address;
diag ("\n\t\t Trying to connect to ". $ns->nsdname . " ($AAAA_address)");
last;
}
$res2->nameservers($AAAA_address);
# $res2->print;
$socket=$res2->axfr_start('example.com');
}
SKIP: { skip "axfr_start did not return a socket", 2 unless defined($socket);
is(ref($socket),"IO::Socket::INET6","axfr_start returns IPv6 Socket");
my ($rr,$err)=$res2->axfr_next;
is($res2->errorstring,'Response code from server: NOTAUTH',"Transfer is not authorized (but our connection worked)");
}
use Net::DNS::Nameserver;
my $ns = Net::DNS::Nameserver->new(
LocalAddr => ['::1' ],
LocalPort => "5363",
ReplyHandler => \&reply_handler,
Verbose => 1
);
ok($ns,"nameserver object created on IPv6 ::1");
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