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/*
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import org.junit.jupiter.api.Assumptions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import java.io.IOException;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.net.URI;
import java.net.UnknownHostException;
import java.util.List;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.*;
/**
* @test
* @bug 8318130
* @summary Tests that java.net.SocksSocketImpl produces correct arguments
* for proxy selector
* @run junit/othervm SocksSocketProxySelectorTest
*/
public class SocksSocketProxySelectorTest {
public static final String SHORTEN_IPV6 = "((?<=\\[)0)?:(0:)+";
@BeforeAll
public static void beforeTest() {
ProxySelector.setDefault(new LoggingProxySelector());
}
// should match the host name
public static Stream<String> ipLiterals() {
return Stream.of("127.0.0.1",
"[::1]",
"[fe80::1%1234567890]");
}
// should be wrapped in [ ]
public static Stream<String> shortIpv6Literals() {
return Stream.of("::1",
"fe80::1%1234567890");
}
// with real interface names in scope
// should be wrapped in [ ], repeated 0's not trimmed
public static Stream<String> linkLocalIpv6Literals() throws SocketException {
return NetworkInterface.networkInterfaces()
.flatMap(NetworkInterface::inetAddresses)
.filter(InetAddress::isLinkLocalAddress)
.filter(Inet6Address.class::isInstance)
.map(InetAddress::getHostAddress);
}
public static Stream<InetAddress> hostNames() throws UnknownHostException {
return Stream.of(
InetAddress.getByAddress("localhost", new byte[] {127,0,0,1}),
InetAddress.getByAddress("bugs.openjdk.org", new byte[] {127,0,0,1}),
InetAddress.getByAddress("xn--kda4b0koi.com", new byte[] {127,0,0,1})
);
}
/**
* Creates a socket connection, which internally triggers proxy selection for the target
* address. The test has been configured to use a {@link LoggingProxySelector ProxySelector}
* which throws an {@link IllegalArgumentException} with hostname in exception message.
* The test then verifies that the hostname matches the expected one.
*
* @throws Exception
*/
@ParameterizedTest
@MethodSource("ipLiterals")
public void testIpLiterals(String host) throws Exception {
try (Socket s1 = new Socket(host, 80)) {
fail("IOException was expected to be thrown, but wasn't");
} catch (IOException ioe) {
// expected
// now verify the IOE was thrown for the correct expected reason
if (!(ioe.getCause() instanceof IllegalArgumentException iae)) {
// rethrow this so that the test output failure will capture the entire/real
// cause in its stacktrace
throw ioe;
}
assertNotNull(iae.getMessage(), "Host not found");
assertEquals(host,
iae.getMessage().replaceFirst(SHORTEN_IPV6, "::"),
"Found unexpected host");
}
}
@ParameterizedTest
@MethodSource("shortIpv6Literals")
public void testShortIpv6Literals(String host) throws Exception {
try (Socket s1 = new Socket(host, 80)) {
fail("IOException was expected to be thrown, but wasn't");
} catch (IOException ioe) {
// expected
// now verify the IOE was thrown for the correct expected reason
if (!(ioe.getCause() instanceof IllegalArgumentException iae)) {
// rethrow this so that the test output failure will capture the entire/real
// cause in its stacktrace
throw ioe;
}
assertNotNull(iae.getMessage(), "Host not found");
assertEquals('[' + host + ']',
iae.getMessage().replaceFirst(SHORTEN_IPV6, "::"),
"Found unexpected host");
}
}
@Test
public void testLinkLocalIpv6Literals() throws Exception {
String host = linkLocalIpv6Literals()
.findFirst()
.orElseGet(() -> Assumptions.abort("No IPv6 link-local addresses found"));
System.err.println(host);
try (Socket s1 = new Socket(host, 80)) {
fail("IOException was expected to be thrown, but wasn't");
} catch (IOException ioe) {
// expected
// now verify the IOE was thrown for the correct expected reason
if (!(ioe.getCause() instanceof IllegalArgumentException iae)) {
// rethrow this so that the test output failure will capture the entire/real
// cause in its stacktrace
throw ioe;
}
assertNotNull(iae.getMessage(), "Host not found");
assertEquals('[' + host + ']',
iae.getMessage(),
"Found unexpected host");
}
}
@ParameterizedTest
@MethodSource("hostNames")
public void testHostNames(InetAddress host) throws Exception {
try (Socket s1 = new Socket(host, 80)) {
fail("IOException was expected to be thrown, but wasn't");
} catch (IOException ioe) {
// expected
// now verify the IOE was thrown for the correct expected reason
if (!(ioe.getCause() instanceof IllegalArgumentException iae)) {
// rethrow this so that the test output failure will capture the entire/real
// cause in its stacktrace
throw ioe;
}
assertNotNull(iae.getMessage(), "Host not found");
assertEquals(host.getHostName(),
iae.getMessage(),
"Found unexpected host");
}
}
/**
* A {@link ProxySelector} which throws an IllegalArgumentException
* with the given hostname in exception message
*/
private static final class LoggingProxySelector extends
ProxySelector {
@Override
public List<Proxy> select(final URI uri) {
throw new IllegalArgumentException(uri.getHost());
}
@Override
public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
}
}
}
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