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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/net/httpclient/http3/H3QuicVTTest.java Normal file
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/*
* Copyright (c) 2025, 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 java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Stream;
import javax.net.ssl.SSLContext;
import jdk.httpclient.test.lib.common.HttpServerAdapters;
import jdk.test.lib.Platform;
import jdk.test.lib.net.SimpleSSLContext;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Assertions;
import static java.net.http.HttpClient.Builder.NO_PROXY;
import static java.net.http.HttpClient.Version.HTTP_3;
import static java.net.http.HttpOption.H3_DISCOVERY;
import static java.net.http.HttpOption.Http3DiscoveryMode.HTTP_3_URI_ONLY;
/*
* @test id=default
* @bug 8369920
* @summary Verifies whether `QuicSelector` uses virtual threads
* as expected when no explicit configuration is provided
* @library /test/lib /test/jdk/java/net/httpclient/lib
* @build jdk.test.lib.net.SimpleSSLContext
* jdk.httpclient.test.lib.common.HttpServerAdapters
* @run junit/othervm
* -Djdk.httpclient.HttpClient.log=requests,responses,headers,errors,http3
* H3QuicVTTest
*/
/*
* @test id=never
* @bug 8369920
* @summary Verifies that `QuicSelector` does *not* use virtual threads
when explicitly configured to "never" use them
* @library /test/lib /test/jdk/java/net/httpclient/lib
* @build jdk.test.lib.net.SimpleSSLContext
* jdk.httpclient.test.lib.common.HttpServerAdapters
* @run junit/othervm
* -Djdk.internal.httpclient.quic.selector.useVirtualThreads=never
* -Djdk.httpclient.HttpClient.log=requests,responses,headers,errors,http3
* H3QuicVTTest
*/
/*
* @test id=always
* @bug 8369920
* @summary Verifies that `QuicSelector` does *always* use virtual threads
when explicitly configured to "always" use them
* @library /test/lib /test/jdk/java/net/httpclient/lib
* @build jdk.test.lib.net.SimpleSSLContext
* jdk.httpclient.test.lib.common.HttpServerAdapters
* @run junit/othervm
* -Djdk.internal.httpclient.quic.selector.useVirtualThreads=always
* -Djdk.httpclient.HttpClient.log=requests,responses,headers,errors,http3
* H3QuicVTTest
*/
/*
* @test id=explicit-default
* @bug 8369920
* @summary Verifies whether `QuicSelector` uses virtual threads
* as expected when `default` is explicitly configured
* @library /test/lib /test/jdk/java/net/httpclient/lib
* @build jdk.test.lib.net.SimpleSSLContext
* jdk.httpclient.test.lib.common.HttpServerAdapters
* @run junit/othervm
* -Djdk.internal.httpclient.quic.selector.useVirtualThreads=default
* -Djdk.httpclient.HttpClient.log=requests,responses,headers,errors,http3
* H3QuicVTTest
*/
/*
* @test id=garbage
* @bug 8369920
* @summary Verifies whether `QuicSelector` uses virtual threads when
it is configured using an invalid value
* @library /test/lib /test/jdk/java/net/httpclient/lib
* @build jdk.test.lib.net.SimpleSSLContext
* jdk.httpclient.test.lib.common.HttpServerAdapters
* @run junit/othervm
* -Djdk.internal.httpclient.quic.selector.useVirtualThreads=garbage
* -Djdk.httpclient.HttpClient.log=requests,responses,headers,errors,http3
* H3QuicVTTest
*/
// -Djava.security.debug=all
class H3QuicVTTest implements HttpServerAdapters {
private static final SSLContext sslContext = SimpleSSLContext.findSSLContext();
private static HttpTestServer h3Server;
private static String requestURI;
enum UseVTForSelector { ALWAYS, NEVER, DEFAULT }
private static final String PROP_NAME = "jdk.internal.httpclient.quic.selector.useVirtualThreads";
private static final UseVTForSelector USE_VT_FOR_SELECTOR;
static {
String useVtForSelector =
System.getProperty(PROP_NAME, "default");
USE_VT_FOR_SELECTOR = Stream.of(UseVTForSelector.values())
.filter((v) -> v.name().equalsIgnoreCase(useVtForSelector))
.findFirst().orElse(UseVTForSelector.DEFAULT);
}
private static boolean isQuicSelectorThreadVirtual() {
return switch (USE_VT_FOR_SELECTOR) {
case ALWAYS -> true;
case NEVER -> false;
default -> !Platform.isWindows();
};
}
@BeforeAll
static void beforeClass() throws Exception {
// create an H3 only server
h3Server = HttpTestServer.create(HTTP_3_URI_ONLY, sslContext);
h3Server.addHandler((exchange) -> exchange.sendResponseHeaders(200, 0), "/hello");
h3Server.start();
System.out.println("Server started at " + h3Server.getAddress());
requestURI = "https://" + h3Server.serverAuthority() + "/hello";
}
@AfterAll
static void afterClass() throws Exception {
if (h3Server != null) {
System.out.println("Stopping server " + h3Server.getAddress());
h3Server.stop();
}
}
/**
* Issues various HTTP3 requests and verifies the responses are received
*/
@Test
void testBasicRequests() throws Exception {
try (final HttpClient client = newClientBuilderForH3()
.proxy(NO_PROXY)
.version(HTTP_3)
.sslContext(sslContext).build()) {
final URI reqURI = new URI(requestURI);
final HttpRequest.Builder reqBuilder = HttpRequest.newBuilder(reqURI)
.version(HTTP_3)
.setOption(H3_DISCOVERY, HTTP_3_URI_ONLY);
// GET
final HttpRequest req1 = reqBuilder.copy().GET().build();
System.out.println("\nIssuing request: " + req1);
final HttpResponse<Void> resp1 = client.send(req1, BodyHandlers.discarding());
Assertions.assertEquals(200, resp1.statusCode(), "unexpected response code for GET request");
assertSelectorThread(client);
// POST
final HttpRequest req2 = reqBuilder.copy().POST(BodyPublishers.ofString("foo")).build();
System.out.println("\nIssuing request: " + req2);
final HttpResponse<Void> resp2 = client.send(req2, BodyHandlers.discarding());
Assertions.assertEquals(200, resp2.statusCode(), "unexpected response code for POST request");
assertSelectorThread(client);
// HEAD
final HttpRequest req3 = reqBuilder.copy().HEAD().build();
System.out.println("\nIssuing request: " + req3);
final HttpResponse<Void> resp3 = client.send(req3, BodyHandlers.discarding());
Assertions.assertEquals(200, resp3.statusCode(), "unexpected response code for HEAD request");
assertSelectorThread(client);
}
}
// This method attempts to determine whether the quic selector thread
// is a platform thread or a virtual thread, and throws if expectations
// are not met.
// Since we don't have access to the quic selector thread, the method
// uses a roundabout way to figure this out: it enumerates all
// platform threads, and if it finds a thread whose name matches
// the expected name of the quic selector thread it concludes that the
// selector thread is a platform thread. Otherwise, it assumes
// that the thread is virtual.
private static void assertSelectorThread(HttpClient client) {
String clientId = client.toString().substring(client.toString().indexOf('('));
String name = "Thread(QuicSelector(HttpClientImpl" + clientId + "))";
Set<String> threads = new HashSet<>(Thread.getAllStackTraces().keySet().stream()
.map(Thread::getName)
.toList());
boolean found = threads.contains(name);
String status = found == isQuicSelectorThreadVirtual() ? "ERROR" : "SUCCESS";
String propval = System.getProperty(PROP_NAME);
if (propval == null) {
System.out.printf("%s not defined, virtual=%s, thread found=%s%n",
PROP_NAME, isQuicSelectorThreadVirtual(), found);
} else {
System.out.printf("%s=%s, virtual=%s, thread found=%s%n",
PROP_NAME, propval, isQuicSelectorThreadVirtual(), found);
}
final String msg;
if (found) {
msg = "%s found in %s".formatted(name, threads);
System.out.printf("%s: %s%n", status, msg);
} else {
msg = "%s not found in %s".formatted(name, threads);
System.out.printf("%s: %s%n", status, msg);
}
Assertions.assertEquals(!isQuicSelectorThreadVirtual(), found, msg);
}
}