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#!/usr/bin/env perl
use strict;
use warnings;
BEGIN {
unless(grep /blib/, @INC) {
chdir 't' if -d 't';
unshift @INC,'../lib';
}
}
use Config;
BEGIN {
if(-d "lib" && -f "TEST") {
my $reason;
if (! $Config{'d_fork'}) {
$reason = 'no fork';
}
elsif ($Config{'extensions'} !~ /\bSocket\b/) {
$reason = 'Socket extension unavailable';
}
elsif ($Config{'extensions'} !~ /\bSocket6\b/) {
$reason = 'Socket6 extension unavailable';
}
elsif ($Config{'extensions'} !~ /\bIO\b/) {
$reason = 'IO extension unavailable';
}
if ($reason) {
print "1..0 # SKIP $reason\n";
exit 0;
}
}
if ($^O eq 'MSWin32') {
print "1..0 # SKIP accept() fails for IPv6 under MSWin32\n";
exit 0;
}
}
# check that localhost resolves to 127.0.0.1 and ::1
# otherwise the test will not work
use Socket (qw(
AF_INET6 PF_INET6 SOCK_RAW SOCK_STREAM INADDR_ANY SOCK_DGRAM
AF_INET SO_REUSEADDR SO_REUSEPORT AF_UNSPEC SO_BROADCAST
sockaddr_in unpack_sockaddr_in
)
);
# IO::Socket and Socket already import stuff here - possibly AF_INET6
# and PF_INET6 so selectively import things from Socket6.
use Socket6 (
qw(AI_PASSIVE getaddrinfo
sockaddr_in6 unpack_sockaddr_in6 pack_sockaddr_in6_all in6addr_any
inet_ntop
)
);
{
my %resolved_addresses;
my @r = getaddrinfo('localhost',1);
if (@r < 5) {
print "1..0 # SKIP getaddrinfo('localhost',1) failed: $r[0]\n";
exit 0;
}
while (@r) {
my @values = splice(@r,0,5);
my ($fam,$addr) = @values[0,3];
$addr =
(
($fam == AF_INET)
? ( (unpack_sockaddr_in($addr))[1] )
: ( (unpack_sockaddr_in6($addr))[1] )
);
$resolved_addresses{inet_ntop($fam,$addr)}++;
}
if (! $resolved_addresses{'127.0.0.1'} || ! $resolved_addresses{'::1'}) {
print "1..0 # SKIP localhost does not resolve to both 127.0.0.1 and ::1\n";
exit 0;
}
}
# IO::Socket has an import method that is inherited by IO::Socket::INET6 ,
# and so we should instruct it not to import anything.
use IO::Socket::INET6 ();
$| = 1;
print "1..8\n";
eval {
$SIG{ALRM} = sub { die; };
alarm 60;
};
# find out if the host prefers inet or inet6 by offering
# both and checking where it connects
my ($port,@srv);
for my $addr ( '127.0.0.1','::1' ) {
push @srv,
IO::Socket::INET6->new(
Listen => 2,
LocalAddr => $addr,
LocalPort => $port,
) or die "listen on $addr port $port: $!";
$port ||= $srv[-1]->sockport;
}
print "ok 1\n";
if (my $pid = fork()) {
my $vec = '';
vec($vec,fileno($_),1) = 1 for(@srv);
select($vec,undef,undef,5) or die $!;
# connected to first, not second
my ($first,$second) = vec($vec,fileno($srv[0]),1) ? @srv[0,1]:@srv[1,0];
my $cl = $first->accept or die $!;
# listener should not work for next connect
# so it needs to try second
close($first);
# make sure established connection works
my $fam0 = ( $cl->sockdomain == AF_INET ) ? 'inet':'inet6';
print {$cl} "ok 2 # $fam0\n";
print $cl->getline(); # ok 3
# So we'll be sure ok 3 has already been printed.
print {$cl} "Move on, will ya!\n";
close($cl);
# ... ok 4 comes when client fails to connect to first
# wait for connect on second and make sure it works
$vec = '';
vec($vec,fileno($second),1) = 1;
if ( select($vec,undef,undef,5)) {
my $cl2 = $second->accept or die $!;
my $fam1 = ( $cl2->sockdomain == AF_INET ) ? 'inet':'inet6';
print {$cl2} "ok 5 # $fam1\n";
print $cl2->getline(); # ok 6
close($cl2);
# should be different families
print "not " if $fam0 eq $fam1;
print "ok 7\n";
}
waitpid($pid,0);
print "ok 8\n";
} elsif (defined $pid) {
close($_) for (@srv);
# should work because server is listening on inet and inet6
my $cl = IO::Socket::INET6->new(
PeerPort => $port,
PeerAddr => 'localhost',
Timeout => 5,
) or die "$@";
print $cl->getline(); # ok 2
print {$cl} "ok 3\n";
# So we'll be sure ok 3 has already been printed.
$cl->getline();
close($cl);
# this should not work because listener is closed
if ( $cl = IO::Socket::INET6->new(
PeerPort => $port,
PeerAddr => 'localhost',
Timeout => 5,
)) {
print "not ok 4\n";
exit;
}
print "ok 4\n";
# but same thing with multihoming should work because server
# is still listening on the other family
$cl = IO::Socket::INET6->new(
PeerPort => $port,
PeerAddr => 'localhost',
Timeout => 5,
MultiHomed => 1,
) or do {
print "not ok 5\n";
exit;
};
print $cl->getline(); # ok 5
print {$cl} "ok 6\n";
exit;
} else {
die $!; # fork failed
}
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