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#!/usr/bin/perl -w
use strict;
use Test::More tests => 39;
use Socket::GetAddrInfo qw( getaddrinfo AI_NUMERICHOST );
use Socket qw( AF_INET SOCK_STREAM IPPROTO_TCP unpack_sockaddr_in inet_aton );
# Test::More's printing in is() isn't very helpful for addresses.
# Also, since pack_sockaddr_in() doesn't set sin_len on those systems that
# use it (i.e. BSD4.4-derived), we have to be a bit more clever
sub is_sinaddr
{
my ( $got, $expect_port, $expect_addr, $message ) = @_;
my ( $port, $sinaddr ) = eval { unpack_sockaddr_in( $got ) };
if( !defined $port ) {
diag( "unpack_sockaddr_in failed - $@" );
fail( $message );
return;
}
if( defined $expect_port && $port != $expect_port ) {
diag( "Expected port $expect_port, got $port" );
fail( $message );
return;
}
if( $sinaddr ne $expect_addr ) {
diag( sprintf 'Expected sinaddr %v02x, got %v02x', $expect_addr, $sinaddr );
fail( $message );
return;
}
pass( $message );
}
sub err_to_const
{
my ( $err ) = @_;
return "EAI_NOERROR" if $err == 0;
no strict 'refs';
foreach my $const ( keys %{"Socket::GetAddrInfo::"} ) {
next unless $const =~ m/^EAI_/;
my $sub = "Socket::GetAddrInfo::$const";
return $const if $sub->() == $err;
}
return undef;
}
sub is_err
{
my ( $got, $expect, $message ) = @_;
if( $got == $expect ) {
pass( $message );
return;
}
my $got_const = err_to_const( $got );
my $expect_const = err_to_const( $expect );
if( defined $got_const ) {
diag( "Expected err == $expect_const, got err == $got_const" );
fail( $message );
}
else {
diag( "Expected err == $expect_const, got err == unknown ('$got')" );
fail( $message );
}
}
my ( $err, @res );
# Some OSes require a socktype hint when given raw numeric service names
( $err, @res ) = getaddrinfo( "127.0.0.1", "80", { socktype => SOCK_STREAM } );
is_err( $err, 0, '$err == 0 for host=127.0.0.1/service=80/socktype=STREAM' );
is( "$err", "", '$err eq "" for host=127.0.0.1/service=80/socktype=STREAM' );
is( scalar @res, 1,
'@res has 1 result' );
is( $res[0]->{family}, AF_INET,
'$res[0] family is AF_INET' );
is( $res[0]->{socktype}, SOCK_STREAM,
'$res[0] socktype is SOCK_STREAM' );
ok( $res[0]->{protocol} == 0 || $res[0]->{protocol} == IPPROTO_TCP,
'$res[0] protocol is 0 or IPPROTO_TCP' );
is_sinaddr( $res[0]->{addr}, 80, inet_aton( "127.0.0.1" ),
'$res[0] addr is {"127.0.0.1", 0}' );
# Check actual IV integers work just as well as PV strings
( $err, @res ) = getaddrinfo( "127.0.0.1", 80, { socktype => SOCK_STREAM } );
is_err( $err, 0, '$err == 0 for host=127.0.0.1/service=80/socktype=STREAM' );
is_sinaddr( $res[0]->{addr}, 80, inet_aton( "127.0.0.1" ),
'$res[0] addr is {"127.0.0.1", 0}' );
( $err, @res ) = getaddrinfo( "127.0.0.1", "" );
is_err( $err, 0, '$err == 0 for host=127.0.0.1' );
# Might get more than one; e.g. different socktypes
ok( scalar @res > 0, '@res has results' );
( $err, @res ) = getaddrinfo( "127.0.0.1", undef );
is_err( $err, 0, '$err == 0 for host=127.0.0.1' );
{
"127.0.0.1" =~ /(.+)/;
( $err, @res ) = getaddrinfo($1, undef);
is_err( $err, 0, '$err == 0 for host=$1' );
ok( scalar @res > 0, '@res has results' );
is_sinaddr( $res[0]->{addr}, undef, inet_aton( "127.0.0.1" ),
'$res[0] addr is "127.0.0.1"');
}
{
package MyString;
use overload '""' => sub { ${ $_[0] } }, fallback => 1;
sub new {
my ($class, $string) = @_;
return bless \$string, $class;
}
}
{
( $err, @res ) = getaddrinfo(MyString->new("127.0.0.1"), undef);
is_err( $err, 0, '$err == 0 for host=MyString->new("127.0.0.1")' );
ok( scalar @res > 0, '@res has results' );
is_sinaddr( $res[0]->{addr}, undef, inet_aton( "127.0.0.1" ),
'$res[0] addr is "127.0.0.1"');
}
{
( $err, @res ) = getaddrinfo(substr("127.0.0.1", 0, 9), undef);
is_err( $err, 0, '$err == 0 for host=substr("127.0.0.1", 0, 9)' );
ok( scalar @res > 0, '@res has results' );
is_sinaddr( $res[0]->{addr}, undef, inet_aton( "127.0.0.1" ),
'$res[0] addr is "127.0.0.1"');
}
# Just pick the first one
is( $res[0]->{family}, AF_INET,
'$res[0] family is AF_INET' );
is_sinaddr( $res[0]->{addr}, 0, inet_aton( "127.0.0.1" ),
'$res[0] addr is {"127.0.0.1", 0}' );
( $err, @res ) = getaddrinfo( "", "80", { family => AF_INET, socktype => SOCK_STREAM } );
is_err( $err, 0, '$err == 0 for service=80/family=AF_INET/socktype=STREAM' );
is( scalar @res, 1, '@res has 1 result' );
# Just pick the first one
is( $res[0]->{family}, AF_INET,
'$res[0] family is AF_INET' );
is( $res[0]->{socktype}, SOCK_STREAM,
'$res[0] socktype is SOCK_STREAM' );
ok( $res[0]->{protocol} == 0 || $res[0]->{protocol} == IPPROTO_TCP,
'$res[0] protocol is 0 or IPPROTO_TCP' );
( $err, @res ) = getaddrinfo( undef, "80", { family => AF_INET, socktype => SOCK_STREAM } );
is_err( $err, 0, '$err == 0 for service=80/family=AF_INET/socktype=STREAM' );
# Now some tests of a few well-known internet hosts
my $goodhost = "cpan.perl.org";
SKIP: {
skip "disabling test requiring network", 2;
( $err, @res ) = getaddrinfo( "cpan.perl.org", "ftp", { socktype => SOCK_STREAM } );
is_err( $err, 0, '$err == 0 for host=cpan.perl.org/service=ftp/socktype=STREAM' );
# Might get more than one; e.g. different families
ok( scalar @res > 0, '@res has results' );
}
# Now something I hope doesn't exist - we put it in a known-missing TLD
my $missinghost = "TbK4jM2M0OS.lm57DWIyu4i";
# Some CPAN testing machines seem to have wildcard DNS servers that reply to
# any request. We'd better check for them
SKIP: {
skip "disabling test requiring network", 1;
# Some OSes return $err == 0 but no results
( $err, @res ) = getaddrinfo( $missinghost, "ftp", { socktype => SOCK_STREAM } );
ok( $err != 0 || ( $err == 0 && @res == 0 ),
'$err != 0 or @res == 0 for host=TbK4jM2M0OS.lm57DWIyu4i/service=ftp/socktype=SOCK_STREAM' );
if( @res ) {
# Diagnostic that might help
while( my $r = shift @res ) {
diag( "family=$r->{family} socktype=$r->{socktype} protocol=$r->{protocol} addr=[" . length( $r->{addr} ) . " bytes]" );
diag( " addr=" . join( ", ", map { sprintf '0x%02x', ord $_ } split m//, $r->{addr} ) );
}
}
}
# Now something I hope doesn't exist - we put it guess at a named port
( $err, @res ) = getaddrinfo( "127.0.0.1", "ZZgetaddrinfoNameTest", { socktype => SOCK_STREAM } );
ok( $err != 0, '$err != 0 for host=127.0.0.1/service=ZZgetaddrinfoNameTest/socktype=SOCK_STREAM' );
# Now check that names with AI_NUMERICHOST fail
( $err, @res ) = getaddrinfo( "localhost", "ftp", { flags => AI_NUMERICHOST, socktype => SOCK_STREAM } );
ok( $err != 0, '$err != 0 for host=localhost/service=ftp/flags=AI_NUMERICHOST/socktype=SOCK_STREAM' );
# Some sanity checking on the hints hash
ok( defined eval { getaddrinfo( "127.0.0.1", "80", undef ); 1 },
'getaddrinfo() with undef hints works' );
ok( !defined eval { getaddrinfo( "127.0.0.1", "80", "hints" ); 1 },
'getaddrinfo() with string hints dies' );
ok( !defined eval { getaddrinfo( "127.0.0.1", "80", [] ); 1 },
'getaddrinfo() with ARRAY hints dies' );
# Ensure it doesn't segfault if args are missing
( $err, @res ) = getaddrinfo();
ok( defined $err, '$err defined for getaddrinfo()' );
( $err, @res ) = getaddrinfo( "127.0.0.1" );
ok( defined $err, '$err defined for getaddrinfo("127.0.0.1")' );
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