1#!/usr/bin/perl 2 3use strict; 4use warnings; 5 6use Test::More; 7 8use IO::Socket::IP; 9 10use IO::Socket::INET; 11use Socket qw( inet_aton inet_ntoa pack_sockaddr_in unpack_sockaddr_in ); 12 13# Some odd locations like BSD jails might not like INADDR_LOOPBACK. We'll 14# establish a baseline first to test against 15my $INADDR_LOOPBACK = do { 16 socket my $sockh, PF_INET, SOCK_STREAM, 0 or die "Cannot socket(PF_INET) - $!"; 17 bind $sockh, pack_sockaddr_in( 0, inet_aton( "127.0.0.1" ) ) or die "Cannot bind() - $!"; 18 ( unpack_sockaddr_in( getsockname $sockh ) )[1]; 19}; 20my $INADDR_LOOPBACK_HOST = inet_ntoa( $INADDR_LOOPBACK ); 21if( $INADDR_LOOPBACK ne INADDR_LOOPBACK ) { 22 diag( "Testing with INADDR_LOOPBACK=$INADDR_LOOPBACK_HOST; this may be because of odd networking" ); 23} 24my $INADDR_LOOPBACK_HEX = unpack "H*", $INADDR_LOOPBACK; 25 26foreach my $socktype (qw( SOCK_STREAM SOCK_DGRAM )) { 27 my $testserver = IO::Socket::IP->new( 28 ( $socktype eq "SOCK_STREAM" ? ( Listen => 1 ) : () ), 29 LocalHost => "127.0.0.1", 30 Type => Socket->$socktype, 31 ); 32 33 ok( defined $testserver, "IO::Socket::IP->new constructs a $socktype socket" ) or 34 diag( " error was $@" ); 35 36 is( $testserver->sockdomain, AF_INET, "\$testserver->sockdomain for $socktype" ); 37 is( $testserver->socktype, Socket->$socktype, "\$testserver->socktype for $socktype" ); 38 39 is( $testserver->sockhost, $INADDR_LOOPBACK_HOST, "\$testserver->sockhost for $socktype" ); 40 like( $testserver->sockport, qr/^\d+$/, "\$testserver->sockport for $socktype" ); 41 42 my $socket = IO::Socket::INET->new( 43 PeerHost => "127.0.0.1", 44 PeerPort => $testserver->sockport, 45 Type => Socket->$socktype, 46 Proto => ( $socktype eq "SOCK_STREAM" ? "tcp" : "udp" ), # Because IO::Socket::INET is stupid and always presumes tcp 47 ) or die "Cannot connect to PF_INET - $@"; 48 49 my $testclient = ( $socktype eq "SOCK_STREAM" ) ? 50 $testserver->accept : 51 do { $testserver->connect( $socket->sockname ); $testserver }; 52 53 ok( defined $testclient, "accepted test $socktype client" ); 54 isa_ok( $testclient, "IO::Socket::IP", "\$testclient for $socktype" ); 55 56 is( $testclient->sockdomain, AF_INET, "\$testclient->sockdomain for $socktype" ); 57 is( $testclient->socktype, Socket->$socktype, "\$testclient->socktype for $socktype" ); 58 59 is_deeply( [ unpack_sockaddr_in $socket->sockname ], 60 [ unpack_sockaddr_in $testclient->peername ], 61 "\$socket->sockname for $socktype" ); 62 63 is_deeply( [ unpack_sockaddr_in $socket->peername ], 64 [ unpack_sockaddr_in $testclient->sockname ], 65 "\$socket->peername for $socktype" ); 66 67 is( $testclient->sockport, $socket->peerport, "\$testclient->sockport for $socktype" ); 68 is( $testclient->peerport, $socket->sockport, "\$testclient->peerport for $socktype" ); 69 70 # Unpack just so it pretty prints without wrecking the terminal if it fails 71 is( unpack("H*", $testclient->sockaddr), $INADDR_LOOPBACK_HEX, "\$testclient->sockaddr for $socktype" ); 72 is( unpack("H*", $testclient->peeraddr), $INADDR_LOOPBACK_HEX, "\$testclient->peeraddr for $socktype" ); 73} 74 75done_testing; 76