Motivation:
We should make variables `final` which are not reinstated again in code to match the code style and makes the code look better.
Modification:
Made couples of variables as `final`.
Result:
Variables marked as `final`.
Motivation:
We should keep bitwise operations simple and easy to understand.
Modification:
Simplify few Bitwise operations.
Result:
Less complicated bitwise operation code
Motivation:
We should get rid of the unnecessary toString calls because they're redundant in nature.
Modification:
Removed unnecessary toString calls.
Result:
Better code
Motivation:
We should get rid of unnecessary semicolons because they don't do anything in code.
Modification:
Removed unnecessary semicolons.
Result:
Better code
Motivation:
There are lots of imports which are unused. We should get rid of them to make the code look better,
Modification:
Removed unused imports.
Result:
No unused imports.
Motivation:
This bug could occasionally cause SSL handshakes to time out, because the server-side handshake would fail to resume its event loop.
Modification:
Async delegate SSL tasks now lower their NEED_TASK status after they have executed, but before they run their completion callback.
This is important because the completion callback could be querying the handshake status.
This could cause the task delegator thread and the event look to race.
If the event look queries the handshake status first, it might think that it still needs to delegate another task.
If this happens, the delegator find a null task, and then fail to resume the event loop, causing the handshake to stall.
Result:
This data race no longer causes handshake timeouts.
Motivation:
We need to ensure we call wrap as long as there is something left to be send to the remote peer in cases of non-application data (like for example alerts).
Modifications:
Check the pending data and based on it return NEED_WRAP even when the handshake was done.
Result:
Always produce alerts etc
Motivation:
750d235 did introduce a change in ApplicationProtocolNegotiationHandler that let the handler buffer all inbound data until the SSL handshake was completed. Due of this change a user might get buffer data forever if the SslHandler is not in the pipeline but the ApplicationProtocolNegotiationHandler was added. We should better guard the user against this "missconfiguration" of the ChannelPipeline.
Modifications:
- Remove the ApplicationProtocolNegotiationHandler when no SslHandler is present when the first message was received
- Add unit test
Result:
No possible that we buffer forever
Motivation:
We did observe that the mutal auth tests are flaky on windows when running on the CI. Let's disable these for now.
Modifications:
Disable mutual auth tests on windows
Result:
More stable build. Related to https://github.com/netty/netty/issues/11489
Motivation:
SelfSignedCertificate generates EC/RSA key pair and this should be explicitly mentioned in JavaDoc. Currently, only "RSA" was mentioned not "EC".
Modification:
Changed RSA to EC/RSA
Result:
Correct JavaDoc
Motivation:
As the release of JDK17 is getting closer and there are ea builds already we should ensure we can actually build netty with it.
Modifications:
- Add profile for JDK17
- Remove test-code that would fail with JDK17 due the changes in 4f4d0f5366.
Result:
Be able to build and run testsuite with JDK17
Motivation:
At the moment we not correctly propagate cancellation in some case when we use the PromiseNotifier.
Modifications:
- Add PromiseNotifier static method which takes care of cancellation
- Add unit test
- Deprecate ChannelPromiseNotifier
Result:
Correctly propagate cancellation of operation
Co-authored-by: Nitesh Kant <nitesh_kant@apple.com>
Motivation:
In JDK version >= 9 the access to sun.* is not permitted anymore by default. Because of this we should better first try the BouncyCastle based implementation before falling back to the JDK based version.
Modifications:
Switch ordering of usage of BouncyCastle vs JDK internals.
Result:
Less surprising errors when using SelfSignedCertificate in Java >9
Motivation:
JdkOpenSslEngineInteroptTest.testMutualAuthSameCerts() is flaky on the CI and so fails the PR build quite often.
Let's disable it for now until we were able to reproduce it locally and fix it.
Modifications:
Disable flaky test
Result:
More stable CI builds
Motivation:
At the moment we only support signing / decrypting the private key in a synchronous fashion. This is quite limited as we may want to do a network call to do so on a remote system for example.
Modifications:
- Update to latest netty-tcnative which supports running tasks in an asynchronous fashion.
- Add OpenSslAsyncPrivateKeyMethod interface
- Adjust SslHandler to be able to handle asynchronous task execution
- Adjust unit tests to test that asynchronous task execution works in all cases
Result:
Be able to asynchronous do key signing operations
Motivation:
We should only run one SSL task per delegation to allow more SSLEngines to make progress in a timely manner
Modifications:
- Only run one task per delegation to the executor
- Only create new SSL task if really needed
- Only schedule if not on the EventExecutor thread
Result:
More fair usage of resources and less allocations
Motivation:
Protocols and Cipher suites constants to prevent typos in protocol and cipher suites names and ease of use.
Modification:
Added Protocols and Cipher suites as constants in their respective classes.
Result:
Fixes#11393
Motivation:
7c57c4be17 did add a way to async sign keys but did not guard against the handler been removed before try to wrap in cause of an error which could lead to a harmless NPE.
Modifications:
Add check
Result:
No more harmless NPE
__Motivation__
`ApplicationProtocolNegotiationHandler` buffers messages which are read before SSL handshake complete event is received and drains them when the handler is removed. However, the channel may be closed (or input shutdown) before SSL handshake event is received in which case we may fire channel read after channel closure (from `handlerRemoved()`).
__Modification__
Intercept `channelInactive()` and input closed event and drain the buffer.
__Result__
If channel is closed before SSL handshake complete event is received, we still maintain the order of message read and channel closure.
Co-authored-by: Norman Maurer <norman_maurer@apple.com>
Motivation:
At the moment we only support signing / decrypting the private key in a synchronous fashion. This is quite limited as we may want to do a network call to do so on a remote system for example.
Modifications:
- Update to latest netty-tcnative which supports running tasks in an asynchronous fashion.
- Add OpenSslAsyncPrivateKeyMethod interface
- Adjust SslHandler to be able to handle asynchronous task execution
- Adjust unit tests to test that asynchronous task execution works in all cases
Result:
Be able to asynchronous do key signing operations
Motivation:
Currently, Netty cannot handle HTTP/2 Preface messages if the client used the Prior knowledge technique. In Prior knowledge, the client sends an HTTP/2 preface message immediately after finishing TLS Handshake. But in Netty, when TLS Handshake is finished, ALPNHandler is triggered to configure the pipeline. And between these 2 operations, if an HTTP/2 preface message arrives, it gets dropped.
Modification:
Buffer messages until we are done with the ALPN handling.
Result:
Fixes#11403.
Co-authored-by: Norman Maurer <norman_maurer@apple.com>
__Motivation__
Add support for GMSSL protocol to SslUtils.
__Modification__
Modify `SslUtils.getEncryptedPacketLength(ByteBuf buffer, int offset)` to get packet length when protocol is GMSSL.
Modify `SslUtils.getEncryptedPacketLength(ByteBuffer buffer)` to get packet length when protocol is GMSSL.
__Result__
`SslUtils.getEncryptedPacketLength` now supports GMSSL protocol. Fixes https://github.com/netty/netty/issues/11406
__Motivation__
`LoggingHandler` misses a constructor variant that only takes `ByteBufFormat`
__Modification__
Added the missing constructor variant.
__Result__
`LoggingHandler` can be constructed with `ByteBufFormat` only.
Co-authored-by: Nitesh Kant <nitesh_kant@apple.com>
Motivation:
We need to ensure we always "consumed" all alerts etc via SSLEngine.wrap(...) before we teardown the engine. Failing to do so may lead to a situation where the remote peer will not be able to see the actual cause of the handshake failure but just see the connection being closed.
Modifications:
Correctly return HandshakeStatus.NEED_WRAP when we need to wrap some data first before we shutdown the engine because of a handshake failure.
Result:
Fixes https://github.com/netty/netty/issues/11388
Motivation:
At the moment BoringSSL doesnt support explicit set the TLSv1.3 ciphers that should be used. If TLSv1.3 should be used it just enables all ciphers. We should better log if the user tries to explicit set a specific ciphers and using BoringSSL to inform the user that what is tried doesnt really work.
Modifications:
Log if the user tries to not use all TLSv1.3 ciphers and use BoringSSL
Result:
Easier for the user to understand why always all TLSv1.3 ciphers are enabled when using BoringSSL
Co-authored-by: Trustin Lee <trustin@gmail.com>
Motivation:
In this issue(https://github.com/netty/netty/issues/11349 ),IpSubnetFilterRule needs to support ipv6 reserved addresses, such as 8000::, but the current implementation does not support
Modification:
Added support for default rule
Result:
Fixes https://github.com/netty/netty/issues/11349
Signed-off-by: xingrufei <xingrufei@sogou-inc.com>
Motivation:
We should have a default case in every switch block.
Modification:
Add default block in IdleStateHandler
Result:
Cleanup
Signed-off-by: xingrufei <xingrufei@sogou-inc.com>
Motivation:
We should better fail the build if we can't load the OpenSSL library to ensure we not introduce a regression at some point related to native library loading
Modifications:
Remove usages of assumeTrue and let the tests fail if we cant load the native lib
Result:
Ensure we not regress
Motivation:
`SelfSignedCertificate` creates a certificate and private key files and store them in a temporary directory. However, if the certificate uses a wildcard hostname that uses asterisk *, e.g. `*.shieldblaze.com`, it'll throw an error because * is not a valid character in the file system.
Modification:
Replace the asterisk with 'x'
Result:
Fixes#11240
Motivation:
We introduced the ability to offload certain operations to an executor that may take some time to complete. At the moment this is not enabled by default when using the openssl based SSL provider. Let's enable it by default as we have this support for some while now and didnt see any issues yet. This will also make things less confusing and more consistent with the JDK based provider.
Modifications:
Use true as default value for io.netty.handler.ssl.openssl.useTasks.
Result:
Offloading works with openssl based SSL provider as well by default
Motivation:
TLSv1 and TLSv1.1 is considered insecure. Let's follow the JDK and disable these by default
Modifications:
- Disable TLSv1 and TLSv1.1 by default when using OpenSSL.
- Add unit tests
Result:
Use only strong TLS versions by default when using OpenSSL
Motivation:
Conscrypt not correctly filters out non support TLS versions which may lead to test failures.
Related to https://github.com/google/conscrypt/issues/1013
Modifications:
- Bump up to latest patch release
- Add workaround
Result:
No more test failures caused by conscrypt
Motivation:
`PlatformDependent#normalizedOs()` already caches normalized variant of
the value of `os.name` system property. Instead of inconsistently
normalizing it in every case, use the utility method.
Modifications:
- `PlatformDependent`: `isWindows0()` and `isOsx0()` use `NORMALIZED_OS`;
- `PlatformDependent#normalizeOs(String)` define `darwin` as `osx`;
- `OpenSsl#loadTcNative()` does not require `equalsIgnoreCase` bcz `os`
is already normalized;
- Epoll and KQueue: `Native#loadNativeLibrary()` use `normalizedOs()`;
- Use consistent `Locale.US` for lower case conversion of `os.name`;
- `MacOSDnsServerAddressStreamProvider#loadNativeLibrary()` uses
`PlatformDependent.isOsx()`;
Result:
Consistent approach for `os.name` parsing.
Motivation:
We should add explicit null checks so its easier for people to understand why it throws.
Modification:
Add explicit checkNotNull(...)
Result:
Easier to understand for users why it fails.
Signed-off-by: xingrufei <xingrufei@sogou-inc.com>
Co-authored-by: xingrufei <xingrufei@sogou-inc.com>
Motivation:
We've seen (very rare) flaky test failures due to timeouts.
They are too rare to analyse properly, but a theory is that on overloaded, small cloud CI instances, it can sometimes take a surprising amount of time to start a thread.
It could be that the event loop thread is getting an unlucky schedule, and takes seconds to start, causing the timeouts to elapse.
Modification:
Increase the initial timeouts in the SSLEngineTest, that could end up waiting for the event loop thread to start.
Also fix a few simple warnings from Intellij.
Result:
Hopefully we will not see these tests be flaky again.
Motivation:
ReferenceCountedOpenSslEngine may unwrap data and complete the handshake
in a single unwrap() call. However it may return HanshakeStatus of
HandshakeStatus of NEED_UNWRAP instead of FINISHED. This may result in
the SslHandler sending the unwrapped data up the pipeline before
notifying that the handshake has completed, and result in out-of-order
events.
Modifications:
- if ReferenceCountedOpenSslEngine handshake status is NEED_UNWRAP and
produced data, or NEED_WRAP and consumed some data, we should call
handshake() to get the current state.
Result:
ReferenceCountedOpenSslEngine correctly indicates when the handshake has
finished if at the same time data was produced or consumed.
Motivation:
It turned out we didnt run the openssl tests on the CI when we used the non-static version of netty-tcnative.
Modifications:
- Upgrade netty-tcnative to fix segfault when using shared openssl
- Adjust tests to only run session cache tests when openssl supports it
- Fix some more tests to only depend on KeyManager if the underlying openssl version supports it
Result:
Run all openssl test on the CI even when shared library is used
