Merge pull request #7637 from eclipse/jetty-10.0.x-7625-http3-settings

Fixes #7625 - HTTP/3 error against www.google.com
This commit is contained in:
Simone Bordet 2022-02-23 09:56:29 +01:00 committed by GitHub
commit ec5f05fc10
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10 changed files with 182 additions and 7 deletions

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@ -92,6 +92,11 @@ public class ClientHTTP3Session extends ClientProtocolSession
return decoder;
}
public QpackEncoder getQpackEncoder()
{
return encoder;
}
public HTTP3SessionClient getSessionClient()
{
return session;

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@ -146,4 +146,24 @@ public class HTTP3SessionClient extends HTTP3Session implements Session.Client
return GoAwayFrame.CLIENT_GRACEFUL;
return super.newGoAwayFrame(graceful);
}
@Override
protected void onSettingMaxTableCapacity(long value)
{
getProtocolSession().getQpackEncoder().setCapacity((int)value);
}
@Override
protected void onSettingMaxFieldSectionSize(long value)
{
getProtocolSession().getQpackDecoder().setMaxHeaderSize((int)value);
}
@Override
protected void onSettingMaxBlockedStreams(long value)
{
ClientHTTP3Session session = getProtocolSession();
session.getQpackDecoder().setMaxBlockedStreams((int)value);
session.getQpackEncoder().setMaxBlockedStreams((int)value);
}
}

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@ -17,11 +17,18 @@ import java.util.Map;
public class SettingsFrame extends Frame
{
public static final long MAX_TABLE_CAPACITY = 0x01;
public static final long MAX_FIELD_SECTION_SIZE = 0x06;
public static final long MAX_BLOCKED_STREAMS = 0x07;
public static boolean isReserved(long key)
{
return key >= 0 && key <= 5;
if (key == MAX_TABLE_CAPACITY ||
key == MAX_FIELD_SECTION_SIZE ||
key == MAX_BLOCKED_STREAMS)
return false;
// Other HTTP/2 settings are reserved and must not be sent/received.
return key >= 0x00 && key <= 0x05;
}
private final Map<Long, Long> settings;

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@ -371,9 +371,32 @@ public abstract class HTTP3Session extends ContainerLifeCycle implements Session
{
if (LOG.isDebugEnabled())
LOG.debug("received {} on {}", frame, this);
frame.getSettings().forEach((key, value) ->
{
if (key == SettingsFrame.MAX_TABLE_CAPACITY)
onSettingMaxTableCapacity(value);
else if (key == SettingsFrame.MAX_FIELD_SECTION_SIZE)
onSettingMaxFieldSectionSize(value);
else if (key == SettingsFrame.MAX_BLOCKED_STREAMS)
onSettingMaxBlockedStreams(value);
});
notifySettings(frame);
}
protected void onSettingMaxTableCapacity(long value)
{
}
protected void onSettingMaxFieldSectionSize(long value)
{
}
protected void onSettingMaxBlockedStreams(long value)
{
}
private void notifySettings(SettingsFrame frame)
{
try

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@ -50,7 +50,8 @@ public class QpackDecoder implements Dumpable
private final List<EncodedFieldSection> _encodedFieldSections = new ArrayList<>();
private final NBitIntegerParser _integerDecoder = new NBitIntegerParser();
private final InstructionHandler _instructionHandler = new InstructionHandler();
private final int _maxHeaderSize;
private int _maxHeaderSize;
private int _maxBlockedStreams;
private static class MetaDataNotification
{
@ -87,6 +88,27 @@ public class QpackDecoder implements Dumpable
return _context;
}
public int getMaxHeaderSize()
{
return _maxHeaderSize;
}
public void setMaxHeaderSize(int maxHeaderSize)
{
_maxHeaderSize = maxHeaderSize;
}
public int getMaxBlockedStreams()
{
// TODO: implement logic about blocked streams by calling this method.
return _maxBlockedStreams;
}
public void setMaxBlockedStreams(int maxBlockedStreams)
{
_maxBlockedStreams = maxBlockedStreams;
}
public interface Handler
{
void onMetaData(long streamId, MetaData metadata);
@ -110,7 +132,8 @@ public class QpackDecoder implements Dumpable
LOG.debug("Decoding: streamId={}, buffer={}", streamId, BufferUtil.toDetailString(buffer));
// If the buffer is big, don't even think about decoding it
if (buffer.remaining() > _maxHeaderSize)
int maxHeaderSize = getMaxHeaderSize();
if (buffer.remaining() > maxHeaderSize)
throw new QpackException.SessionException(QPACK_DECOMPRESSION_FAILED, "header_too_large");
_integerDecoder.setPrefix(8);
@ -139,7 +162,7 @@ public class QpackDecoder implements Dumpable
// Decode it straight away if we can, otherwise add it to the list of EncodedFieldSections.
if (requiredInsertCount <= insertCount)
{
MetaData metaData = encodedFieldSection.decode(_context, _maxHeaderSize);
MetaData metaData = encodedFieldSection.decode(_context, maxHeaderSize);
if (LOG.isDebugEnabled())
LOG.debug("Decoded: streamId={}, metadata={}", streamId, metaData);
_metaDataNotifications.add(new MetaDataNotification(streamId, metaData, handler));

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@ -91,7 +91,7 @@ public class QpackEncoder implements Dumpable
private final List<Instruction> _instructions = new ArrayList<>();
private final Instruction.Handler _handler;
private final QpackContext _context;
private final int _maxBlockedStreams;
private int _maxBlockedStreams;
private final Map<Long, StreamInfo> _streamInfoMap = new HashMap<>();
private final EncoderInstructionParser _parser;
private final InstructionHandler _instructionHandler = new InstructionHandler();
@ -106,6 +106,21 @@ public class QpackEncoder implements Dumpable
_parser = new EncoderInstructionParser(_instructionHandler);
}
public int getMaxBlockedStreams()
{
return _maxBlockedStreams;
}
public void setMaxBlockedStreams(int maxBlockedStreams)
{
_maxBlockedStreams = maxBlockedStreams;
}
public int getCapacity()
{
return _context.getDynamicTable().getCapacity();
}
/**
* Set the capacity of the DynamicTable and send a instruction to set the capacity on the remote Decoder.
*
@ -411,7 +426,7 @@ public class QpackEncoder implements Dumpable
return true;
}
if (_blockedStreams < _maxBlockedStreams)
if (_blockedStreams < getMaxBlockedStreams())
{
_blockedStreams++;
sectionInfo.block();

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@ -95,6 +95,26 @@ public class HTTP3SessionServer extends HTTP3Session implements Session.Server
return super.newGoAwayFrame(graceful);
}
@Override
protected void onSettingMaxTableCapacity(long value)
{
getProtocolSession().getQpackEncoder().setCapacity((int)value);
}
@Override
protected void onSettingMaxFieldSectionSize(long value)
{
getProtocolSession().getQpackDecoder().setMaxHeaderSize((int)value);
}
@Override
protected void onSettingMaxBlockedStreams(long value)
{
ServerHTTP3Session session = getProtocolSession();
session.getQpackDecoder().setMaxBlockedStreams((int)value);
session.getQpackEncoder().setMaxBlockedStreams((int)value);
}
private void notifyAccept()
{
Server.Listener listener = getListener();

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@ -91,6 +91,11 @@ public class ServerHTTP3Session extends ServerProtocolSession
return decoder;
}
public QpackEncoder getQpackEncoder()
{
return encoder;
}
public HTTP3SessionServer getSessionServer()
{
return session;

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@ -14,6 +14,7 @@
package org.eclipse.jetty.http3.tests;
import java.nio.ByteBuffer;
import java.util.AbstractMap;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.CountDownLatch;
@ -34,6 +35,7 @@ import org.eclipse.jetty.http3.frames.SettingsFrame;
import org.eclipse.jetty.http3.internal.HTTP3ErrorCode;
import org.eclipse.jetty.http3.internal.HTTP3Session;
import org.eclipse.jetty.http3.server.AbstractHTTP3ServerConnectionFactory;
import org.eclipse.jetty.http3.server.internal.HTTP3SessionServer;
import org.eclipse.jetty.quic.client.ClientQuicSession;
import org.eclipse.jetty.quic.common.QuicSession;
import org.junit.jupiter.api.Test;
@ -41,6 +43,7 @@ import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
@ -90,6 +93,59 @@ public class ClientServerTest extends AbstractClientServerTest
assertTrue(clientSettingsLatch.await(5, TimeUnit.SECONDS));
}
@Test
public void testSettings() throws Exception
{
Map.Entry<Long, Long> maxTableCapacity = new AbstractMap.SimpleEntry<>(SettingsFrame.MAX_TABLE_CAPACITY, 1024L);
Map.Entry<Long, Long> maxHeaderSize = new AbstractMap.SimpleEntry<>(SettingsFrame.MAX_FIELD_SECTION_SIZE, 2048L);
Map.Entry<Long, Long> maxBlockedStreams = new AbstractMap.SimpleEntry<>(SettingsFrame.MAX_BLOCKED_STREAMS, 16L);
CountDownLatch settingsLatch = new CountDownLatch(2);
AtomicReference<HTTP3SessionServer> serverSessionRef = new AtomicReference<>();
start(new Session.Server.Listener()
{
@Override
public Map<Long, Long> onPreface(Session session)
{
serverSessionRef.set((HTTP3SessionServer)session);
return Map.ofEntries(maxTableCapacity, maxHeaderSize, maxBlockedStreams);
}
@Override
public void onSettings(Session session, SettingsFrame frame)
{
settingsLatch.countDown();
}
});
HTTP3SessionClient clientSession = (HTTP3SessionClient)newSession(new Session.Client.Listener()
{
@Override
public Map<Long, Long> onPreface(Session session)
{
return Map.ofEntries(maxTableCapacity, maxHeaderSize, maxBlockedStreams);
}
@Override
public void onSettings(Session session, SettingsFrame frame)
{
settingsLatch.countDown();
}
});
assertTrue(settingsLatch.await(5, TimeUnit.SECONDS));
HTTP3SessionServer serverSession = serverSessionRef.get();
assertEquals(maxTableCapacity.getValue(), serverSession.getProtocolSession().getQpackEncoder().getCapacity());
assertEquals(maxBlockedStreams.getValue(), serverSession.getProtocolSession().getQpackEncoder().getMaxBlockedStreams());
assertEquals(maxBlockedStreams.getValue(), serverSession.getProtocolSession().getQpackDecoder().getMaxBlockedStreams());
assertEquals(maxHeaderSize.getValue(), serverSession.getProtocolSession().getQpackDecoder().getMaxHeaderSize());
assertEquals(maxTableCapacity.getValue(), clientSession.getProtocolSession().getQpackEncoder().getCapacity());
assertEquals(maxBlockedStreams.getValue(), clientSession.getProtocolSession().getQpackEncoder().getMaxBlockedStreams());
assertEquals(maxBlockedStreams.getValue(), clientSession.getProtocolSession().getQpackDecoder().getMaxBlockedStreams());
assertEquals(maxHeaderSize.getValue(), clientSession.getProtocolSession().getQpackDecoder().getMaxHeaderSize());
}
@Test
public void testGETThenResponseWithoutContent() throws Exception
{

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@ -44,8 +44,9 @@ public class ExternalServerTest
client.start();
try
{
HostPort hostPort = new HostPort("google.com:443");
// HostPort hostPort = new HostPort("nghttp2.org:4433");
HostPort hostPort = new HostPort("quic.tech:8443");
// HostPort hostPort = new HostPort("quic.tech:8443");
// HostPort hostPort = new HostPort("h2o.examp1e.net:443");
// HostPort hostPort = new HostPort("test.privateoctopus.com:4433");
Session.Client session = client.connect(new InetSocketAddress(hostPort.getHost(), hostPort.getPort()), new Session.Client.Listener() {})