java-topology/test/jdk/java/net/httpclient/quic/KeyUpdateTest.java
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00

270 lines
12 KiB
Java

/*
* Copyright (c) 2023, 2026, 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
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*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.Stack;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicInteger;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import jdk.httpclient.test.lib.common.TestUtil;
import jdk.httpclient.test.lib.quic.ClientConnection;
import jdk.httpclient.test.lib.quic.ConnectedBidiStream;
import jdk.httpclient.test.lib.quic.QuicServerConnection;
import jdk.httpclient.test.lib.quic.QuicServerHandler;
import jdk.httpclient.test.lib.quic.QuicStandaloneServer;
import jdk.internal.net.http.quic.QuicClient;
import jdk.internal.net.http.quic.QuicConnection;
import jdk.internal.net.quic.QuicKeyUnavailableException;
import jdk.internal.net.quic.QuicTLSContext;
import jdk.internal.net.quic.QuicVersion;
import jdk.test.lib.net.SimpleSSLContext;
import sun.security.ssl.QuicTLSEngineImpl;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
/*
* @test
* @summary verifies the QUIC TLS key update process
* @library /test/lib /test/jdk/java/net/httpclient/lib
* @modules java.net.http/jdk.internal.net.http
* java.net.http/jdk.internal.net.http.common
* java.base/jdk.internal.net.quic
* java.net.http/jdk.internal.net.http.quic
* java.net.http/jdk.internal.net.http.quic.packets
* java.net.http/jdk.internal.net.http.quic.frames
* java.net.http/jdk.internal.net.http.quic.streams
* java.net.http/jdk.internal.net.http.qpack
* java.net.http/jdk.internal.net.http.qpack.readers
* java.net.http/jdk.internal.net.http.qpack.writers
*
* @modules java.base/jdk.internal.util
* java.base/sun.security.ssl
* @build jdk.httpclient.test.lib.quic.QuicStandaloneServer
* jdk.httpclient.test.lib.quic.ClientConnection
* jdk.httpclient.test.lib.common.TestUtil
* jdk.test.lib.net.SimpleSSLContext
* @comment the test is run with -Djava.security.properties=<URL> to augment
* the master java.security file
* @run junit/othervm -Djava.security.properties=${test.src}/quic-tls-keylimits-java.security
* -Djdk.internal.httpclient.debug=true
* -Djavax.net.debug=all
* KeyUpdateTest
*/
public class KeyUpdateTest {
private static QuicStandaloneServer server;
private static final SSLContext sslContext = SimpleSSLContext.findSSLContext();
private static ExecutorService executor;
private static final byte[] HELLO_MSG = "Hello Quic".getBytes(StandardCharsets.UTF_8);
private static final EchoHandler handler = new EchoHandler(HELLO_MSG.length);
@BeforeAll
public static void beforeClass() throws Exception {
executor = Executors.newCachedThreadPool();
server = QuicStandaloneServer.newBuilder()
.availableVersions(new QuicVersion[]{QuicVersion.QUIC_V1})
.sslContext(sslContext)
.build();
// add a handler which deals with incoming connections
server.setHandler(handler);
server.start();
System.out.println("Server started at " + server.getAddress());
}
@AfterAll
public static void afterClass() throws Exception {
if (server != null) {
System.out.println("Stopping server " + server.getAddress());
server.close();
}
if (executor != null) {
executor.close();
}
}
private QuicClient createClient() {
var versions = List.of(QuicVersion.QUIC_V1);
var context = new QuicTLSContext(sslContext);
var params = new SSLParameters();
return new QuicClient.Builder()
.availableVersions(versions)
.tlsContext(context)
.sslParameters(params)
.executor(executor)
.bindAddress(TestUtil.chooseClientBindAddress().orElse(null))
.build();
}
@Test
public void test() throws Exception {
try (final QuicClient client = createClient()) {
// create a QUIC connection to the server
final ClientConnection conn = ClientConnection.establishConnection(client,
server.getAddress());
final Stack<Integer> clientConnKeyPhases = new Stack<>();
for (int i = 1; i <= 100; i++) {
System.out.println("Iteration: " + i);
// open a bidi stream
final ConnectedBidiStream bidiStream = conn.initiateNewBidiStream();
// write data on the stream
try (final OutputStream os = bidiStream.outputStream()) {
os.write(HELLO_MSG);
System.out.println("client: Client wrote message to bidi stream's output stream");
}
// wait for response
try (final InputStream is = bidiStream.inputStream()) {
System.out.println("client: reading from bidi stream's input stream");
final byte[] data = is.readAllBytes();
System.out.println("client: Received response of size " + data.length);
final String response = new String(data, StandardCharsets.UTF_8);
// verify response
System.out.println("client: Response: " + response);
if (!Arrays.equals(response.getBytes(StandardCharsets.UTF_8), HELLO_MSG)) {
throw new AssertionError("Unexpected response: " + response);
}
} finally {
System.err.println("client: Closing bidi stream from test");
bidiStream.close();
}
// keep track of the 1-RTT key phase that was used by the client connection
final int invocation = i;
getKeyPhase(conn.underlyingQuicConnection()).ifPresent((keyPhase) -> {
if (clientConnKeyPhases.empty() || !keyPhase.equals(clientConnKeyPhases.peek())) {
// new key phase detected, add it
clientConnKeyPhases.push(keyPhase);
System.out.println("Detected client 1-RTT key phase " + keyPhase
+ " on connection " + conn + " for invocation " + invocation);
}
});
}
// verify that the client and server did do a key update
// stacks should contain at least a sequence of 0, 1, 0
System.out.println("Number of 1-RTT keys used by client connection: "
+ clientConnKeyPhases.size() + ", key phase switches: " + clientConnKeyPhases);
System.out.println("Number of 1-RTT keys used by server connection: "
+ handler.serverConnKeyPhases.size() + ", key phase switches: "
+ handler.serverConnKeyPhases);
assertTrue(clientConnKeyPhases.size() >= 3, "Client connection" +
" didn't do a key update");
assertTrue(handler.serverConnKeyPhases.size() >= 3, "Server connection" +
" didn't do a key update");
assertEquals(0, (int) clientConnKeyPhases.getFirst(), "Client connection used" +
" unexpected first key phase");
assertEquals(0, (int) handler.serverConnKeyPhases.getFirst(), "Server connection used" +
" unexpected first key phase");
assertEquals(1, (int) clientConnKeyPhases.get(1), "Client connection used" +
" unexpected second key phase");
assertEquals(1, (int) handler.serverConnKeyPhases.get(1), "Server connection used" +
" unexpected second key phase");
assertEquals(0, (int) clientConnKeyPhases.get(2), "Client connection used" +
" unexpected third key phase");
assertEquals(0, (int) handler.serverConnKeyPhases.get(2), "Server connection used" +
" unexpected third key phase");
}
}
/**
* Reads data from incoming client initiated bidirectional stream of a Quic connection
* and writes back a response which is same as the read data
*/
private static final class EchoHandler implements QuicServerHandler {
private final int numBytesToRead;
private final AtomicInteger numInvocations = new AtomicInteger();
private final Stack<Integer> serverConnKeyPhases = new Stack<>();
private EchoHandler(final int numBytesToRead) {
this.numBytesToRead = numBytesToRead;
}
@Override
public void handleBidiStream(final QuicServerConnection conn,
final ConnectedBidiStream bidiStream) throws IOException {
final int invocation = numInvocations.incrementAndGet();
System.out.println("Handling incoming bidi stream " + bidiStream
+ " on connection " + conn);
// keep track of the 1-RTT key phase that was used by the server connection
getKeyPhase(conn).ifPresent((keyPhase) -> {
if (this.serverConnKeyPhases.empty()
|| !keyPhase.equals(this.serverConnKeyPhases.peek())) {
// new key phase detected, add it
this.serverConnKeyPhases.push(keyPhase);
System.out.println("Detected server 1-RTT key phase " + keyPhase
+ " on connection " + conn + " for invocation " + invocation);
}
});
final byte[] data;
// read the request content
try (final InputStream is = bidiStream.inputStream()) {
System.out.println("Handler reading data from bidi stream's inputstream " + is);
data = is.readAllBytes();
System.out.println("Handler read " + data.length + " bytes of data");
}
if (data.length != numBytesToRead) {
throw new IOException("Expected to read " + numBytesToRead
+ " bytes but read only " + data.length + " bytes");
}
// write response
try (final OutputStream os = bidiStream.outputStream()) {
System.out.println("Handler writing data to bidi stream's outputstream " + os);
os.write(data);
}
System.out.println("Handler invocation complete");
}
}
private static Optional<Integer> getKeyPhase(final QuicConnection conn) throws IOException {
if (!(conn.getTLSEngine() instanceof QuicTLSEngineImpl qtls)) {
return Optional.empty();
}
final int keyPhase;
try {
keyPhase = qtls.getOneRttKeyPhase();
} catch (QuicKeyUnavailableException e) {
throw new IOException("failed to get key phase, reason: " + e.getMessage());
}
if (keyPhase != 0 && keyPhase != 1) {
throw new IOException("Unexpected 1-RTT key phase on connection: " + conn);
}
return Optional.of(keyPhase);
}
}