1#!/usr/bin/perl 2 3use v5; 4use strict; 5use warnings; 6 7use Test::More; 8 9use IO::Socket::IP; 10use Socket qw( inet_pton inet_ntop pack_sockaddr_in6 unpack_sockaddr_in6 IN6ADDR_LOOPBACK ); 11 12my $AF_INET6 = eval { Socket::AF_INET6() } or 13 plan skip_all => "No AF_INET6"; 14 15# Some odd locations like BSD jails might not like IN6ADDR_LOOPBACK. We'll 16# establish a baseline first to test against 17my $IN6ADDR_LOOPBACK = eval { 18 socket my $sockh, Socket::PF_INET6(), SOCK_STREAM, 0 or die "Cannot socket(PF_INET6) - $!"; 19 bind $sockh, pack_sockaddr_in6( 0, inet_pton( $AF_INET6, "::1" ) ) or die "Cannot bind() - $!"; 20 ( unpack_sockaddr_in6( getsockname $sockh ) )[1]; 21} or plan skip_all => "Unable to bind to ::1 - $@"; 22my $IN6ADDR_LOOPBACK_HOST = inet_ntop( $AF_INET6, $IN6ADDR_LOOPBACK ); 23if( $IN6ADDR_LOOPBACK ne IN6ADDR_LOOPBACK ) { 24 diag( "Testing with IN6ADDR_LOOPBACK=$IN6ADDR_LOOPBACK_HOST; this may be because of odd networking" ); 25} 26my $IN6ADDR_LOOPBACK_HEX = unpack "H*", $IN6ADDR_LOOPBACK; 27 28# Unpack just ip6_addr and port because other fields might not match end to end 29sub unpack_sockaddr_in6_addrport { 30 return ( Socket::unpack_sockaddr_in6( shift ) )[0,1]; 31} 32 33foreach my $socktype (qw( SOCK_STREAM SOCK_DGRAM )) { 34 my $testserver = IO::Socket::IP->new( 35 ( $socktype eq "SOCK_STREAM" ? ( Listen => 1 ) : () ), 36 LocalHost => "::1", 37 LocalPort => "0", 38 Type => Socket->$socktype, 39 GetAddrInfoFlags => 0, # disable AI_ADDRCONFIG 40 ); 41 42 ok( defined $testserver, "IO::Socket::IP->new constructs a $socktype socket" ) or 43 diag( " error was $@" ); 44 45 is( $testserver->sockdomain, $AF_INET6, "\$testserver->sockdomain for $socktype" ); 46 is( $testserver->socktype, Socket->$socktype, "\$testserver->socktype for $socktype" ); 47 48 is( $testserver->sockhost, $IN6ADDR_LOOPBACK_HOST, "\$testserver->sockhost for $socktype" ); 49 like( $testserver->sockport, qr/^\d+$/, "\$testserver->sockport for $socktype" ); 50 51 ok( eval { $testserver->peerport; 1 }, "\$testserver->peerport does not die for $socktype" ) 52 or do { chomp( my $e = $@ ); diag( "Exception was: $e" ) }; 53 54 my $socket = IO::Socket->new; 55 $socket->socket( $AF_INET6, Socket->$socktype, 0 ) 56 or die "Cannot socket() - $!"; 57 58 my ( $err, $ai ) = Socket::getaddrinfo( "::1", $testserver->sockport, { family => $AF_INET6, socktype => Socket->$socktype } ); 59 die "getaddrinfo() - $err" if $err; 60 61 $socket->connect( $ai->{addr} ) or die "Cannot connect() - $!"; 62 63 my $testclient = ( $socktype eq "SOCK_STREAM" ) ? 64 $testserver->accept : 65 do { $testserver->connect( $socket->sockname ); $testserver }; 66 67 ok( defined $testclient, "accepted test $socktype client" ); 68 isa_ok( $testclient, "IO::Socket::IP", "\$testclient for $socktype" ); 69 70 is( $testclient->sockdomain, $AF_INET6, "\$testclient->sockdomain for $socktype" ); 71 is( $testclient->socktype, Socket->$socktype, "\$testclient->socktype for $socktype" ); 72 73 is_deeply( [ unpack_sockaddr_in6_addrport( $socket->sockname ) ], 74 [ unpack_sockaddr_in6_addrport( $testclient->peername ) ], 75 "\$socket->sockname for $socktype" ); 76 77 is_deeply( [ unpack_sockaddr_in6_addrport( $socket->peername ) ], 78 [ unpack_sockaddr_in6_addrport( $testclient->sockname ) ], 79 "\$socket->peername for $socktype" ); 80 81 my $peerport = ( Socket::unpack_sockaddr_in6 $socket->peername )[0]; 82 my $sockport = ( Socket::unpack_sockaddr_in6 $socket->sockname )[0]; 83 84 is( $testclient->sockport, $peerport, "\$testclient->sockport for $socktype" ); 85 is( $testclient->peerport, $sockport, "\$testclient->peerport for $socktype" ); 86 87 # Unpack just so it pretty prints without wrecking the terminal if it fails 88 is( unpack("H*", $testclient->peeraddr), $IN6ADDR_LOOPBACK_HEX, "\$testclient->peeraddr for $socktype" ); 89 if( $socktype eq "SOCK_STREAM" ) { 90 # Some OSes don't update sockaddr with a local bind() on SOCK_DGRAM sockets 91 is( unpack("H*", $testclient->sockaddr), $IN6ADDR_LOOPBACK_HEX, "\$testclient->sockaddr for $socktype" ); 92 } 93} 94 95done_testing; 96