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#!/usr/bin/perl
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use strict;
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use warnings;
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use Test::More;
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use IO::Socket::IP;
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use Socket qw( inet_pton inet_ntop pack_sockaddr_in6 unpack_sockaddr_in6 IN6ADDR_LOOPBACK );
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my $AF_INET6 = eval { Socket::AF_INET6() } or
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plan skip_all => "No AF_INET6";
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# Some odd locations like BSD jails might not like IN6ADDR_LOOPBACK. We'll
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# establish a baseline first to test against
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my $IN6ADDR_LOOPBACK = eval {
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socket my $sockh, Socket::PF_INET6(), SOCK_STREAM, 0 or die "Cannot socket(PF_INET6) - $!";
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bind $sockh, pack_sockaddr_in6( 0, inet_pton( $AF_INET6, "::1" ) ) or die "Cannot bind() - $!";
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( unpack_sockaddr_in6( getsockname $sockh ) )[1];
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} or plan skip_all => "Unable to bind to ::1 - $@";
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my $IN6ADDR_LOOPBACK_HOST = inet_ntop( $AF_INET6, $IN6ADDR_LOOPBACK );
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if( $IN6ADDR_LOOPBACK ne IN6ADDR_LOOPBACK ) {
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diag( "Testing with IN6ADDR_LOOPBACK=$IN6ADDR_LOOPBACK_HOST; this may be because of odd networking" );
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}
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my $IN6ADDR_LOOPBACK_HEX = unpack "H*", $IN6ADDR_LOOPBACK;
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# Unpack just ip6_addr and port because other fields might not match end to end
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sub unpack_sockaddr_in6_addrport {
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return ( Socket::unpack_sockaddr_in6( shift ) )[0,1];
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}
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foreach my $socktype (qw( SOCK_STREAM SOCK_DGRAM )) {
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my $testserver = IO::Socket::IP->new(
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( $socktype eq "SOCK_STREAM" ? ( Listen => 1 ) : () ),
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LocalHost => "::1",
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LocalPort => "0",
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Type => Socket->$socktype,
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GetAddrInfoFlags => 0, # disable AI_ADDRCONFIG
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);
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ok( defined $testserver, "IO::Socket::IP->new constructs a $socktype socket" ) or
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diag( " error was $@" );
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is( $testserver->sockdomain, $AF_INET6, "\$testserver->sockdomain for $socktype" );
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is( $testserver->socktype, Socket->$socktype, "\$testserver->socktype for $socktype" );
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is( $testserver->sockhost, $IN6ADDR_LOOPBACK_HOST, "\$testserver->sockhost for $socktype" );
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like( $testserver->sockport, qr/^\d+$/, "\$testserver->sockport for $socktype" );
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ok( eval { $testserver->peerport; 1 }, "\$testserver->peerport does not die for $socktype" )
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or do { chomp( my $e = $@ ); diag( "Exception was: $e" ) };
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my $socket = IO::Socket->new;
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$socket->socket( $AF_INET6, Socket->$socktype, 0 )
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or die "Cannot socket() - $!";
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my ( $err, $ai ) = Socket::getaddrinfo( "::1", $testserver->sockport, { family => $AF_INET6, socktype => Socket->$socktype } );
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die "getaddrinfo() - $err" if $err;
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$socket->connect( $ai->{addr} ) or die "Cannot connect() - $!";
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my $testclient = ( $socktype eq "SOCK_STREAM" ) ?
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$testserver->accept :
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do { $testserver->connect( $socket->sockname ); $testserver };
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ok( defined $testclient, "accepted test $socktype client" );
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isa_ok( $testclient, "IO::Socket::IP", "\$testclient for $socktype" );
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is( $testclient->sockdomain, $AF_INET6, "\$testclient->sockdomain for $socktype" );
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is( $testclient->socktype, Socket->$socktype, "\$testclient->socktype for $socktype" );
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is_deeply( [ unpack_sockaddr_in6_addrport( $socket->sockname ) ],
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[ unpack_sockaddr_in6_addrport( $testclient->peername ) ],
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"\$socket->sockname for $socktype" );
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is_deeply( [ unpack_sockaddr_in6_addrport( $socket->peername ) ],
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[ unpack_sockaddr_in6_addrport( $testclient->sockname ) ],
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"\$socket->peername for $socktype" );
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my $peerport = ( Socket::unpack_sockaddr_in6 $socket->peername )[0];
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my $sockport = ( Socket::unpack_sockaddr_in6 $socket->sockname )[0];
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is( $testclient->sockport, $peerport, "\$testclient->sockport for $socktype" );
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is( $testclient->peerport, $sockport, "\$testclient->peerport for $socktype" );
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# Unpack just so it pretty prints without wrecking the terminal if it fails
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is( unpack("H*", $testclient->peeraddr), $IN6ADDR_LOOPBACK_HEX, "\$testclient->peeraddr for $socktype" );
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if( $socktype eq "SOCK_STREAM" ) {
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# Some OSes don't update sockaddr with a local bind() on SOCK_DGRAM sockets
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is( unpack("H*", $testclient->sockaddr), $IN6ADDR_LOOPBACK_HEX, "\$testclient->sockaddr for $socktype" );
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}
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}
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done_testing;
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