Only suppert TLSv1.3 when JDK does support it as well (#11604)
Motivation: We tightly integrate the TrustManger and KeyManager into our native SSL implementation which means that both of them need to support TLSv1.3 as protocol. This is not always the case and so can produce runtime exceptions. As TLSv1.3 support was backported to Java8 quite some time now we should be a bit more conservative and only enable TLSv1.3 for our native implementation if the JDK implementation supports it as well. This also allows us to remove some hacks we had in place to be able to support it before in Java8. Modifications: - Only enable TLSv1.3 support for our native SSL implementation when the JDK supports it as well - Remove OpenSslTlsv13X509ExtendedTrustManager as its not needed anymore Result: Fixes https://github.com/netty/netty/issues/11589
This commit is contained in:
Norman Maurer
parent
7971a252a5
commit
fb1face924
@ -205,10 +205,13 @@ public final class OpenSsl {
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long cert = 0;
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long key = 0;
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try {
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// As we delegate to the KeyManager / TrustManager of the JDK we need to ensure it can actually
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// handle TLSv13 as otherwise we may see runtime exceptions
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if (SslProvider.isTlsv13Supported(SslProvider.JDK)) {
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try {
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StringBuilder tlsv13Ciphers = new StringBuilder();
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for (String cipher: TLSV13_CIPHERS) {
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for (String cipher : TLSV13_CIPHERS) {
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String converted = CipherSuiteConverter.toOpenSsl(cipher, IS_BORINGSSL);
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if (converted != null) {
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tlsv13Ciphers.append(converted).append(':');
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@ -218,13 +221,14 @@ public final class OpenSsl {
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tlsv13Supported = false;
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} else {
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tlsv13Ciphers.setLength(tlsv13Ciphers.length() - 1);
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SSLContext.setCipherSuite(sslCtx, tlsv13Ciphers.toString() , true);
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SSLContext.setCipherSuite(sslCtx, tlsv13Ciphers.toString(), true);
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tlsv13Supported = true;
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}
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} catch (Exception ignore) {
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tlsv13Supported = false;
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}
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}
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SSLContext.setCipherSuite(sslCtx, "ALL", false);
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@ -342,7 +346,7 @@ public final class OpenSsl {
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protocols.add(SslProtocols.TLS_v1_2);
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}
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// This is only supported by java11 and later.
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// This is only supported by java8u272 and later.
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if (tlsv13Supported && doesSupportProtocol(SSL.SSL_PROTOCOL_TLSV1_3, SSL.SSL_OP_NO_TLSv1_3)) {
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protocols.add(SslProtocols.TLS_v1_3);
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TLSV13_SUPPORTED = true;
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@ -1,236 +0,0 @@
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/*
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* Copyright 2018 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.ssl;
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import javax.net.ssl.SSLEngine;
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import javax.net.ssl.SSLPeerUnverifiedException;
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import javax.net.ssl.SSLSession;
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import javax.net.ssl.SSLSessionContext;
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import javax.net.ssl.X509ExtendedTrustManager;
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import java.net.Socket;
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import java.security.Principal;
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import java.security.cert.Certificate;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.util.List;
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/**
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* Provide a way to use {@code TLSv1.3} with Java versions prior to 11 by adding a
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* <a href="https://mail.openjdk.java.net/pipermail/security-dev/2018-September/018242.html>workaround</a> for the
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* default {@link X509ExtendedTrustManager} implementations provided by the JDK that can not handle a protocol version
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* of {@code TLSv1.3}.
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*/
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final class OpenSslTlsv13X509ExtendedTrustManager extends X509ExtendedTrustManager {
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private final X509ExtendedTrustManager tm;
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private OpenSslTlsv13X509ExtendedTrustManager(X509ExtendedTrustManager tm) {
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this.tm = tm;
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}
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static X509ExtendedTrustManager wrap(X509ExtendedTrustManager tm) {
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if (!SslProvider.isTlsv13Supported(SslProvider.JDK) && SslProvider.isTlsv13Supported(SslProvider.OPENSSL)) {
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return new OpenSslTlsv13X509ExtendedTrustManager(tm);
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}
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return tm;
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}
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@Override
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public void checkClientTrusted(X509Certificate[] x509Certificates, String s, Socket socket)
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throws CertificateException {
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tm.checkClientTrusted(x509Certificates, s, socket);
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}
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@Override
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public void checkServerTrusted(X509Certificate[] x509Certificates, String s, Socket socket)
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throws CertificateException {
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tm.checkServerTrusted(x509Certificates, s, socket);
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}
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private static SSLEngine wrapEngine(final SSLEngine engine) {
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final SSLSession session = engine.getHandshakeSession();
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if (session != null && SslProtocols.TLS_v1_3.equals(session.getProtocol())) {
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return new JdkSslEngine(engine) {
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@Override
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public String getNegotiatedApplicationProtocol() {
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if (engine instanceof ApplicationProtocolAccessor) {
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return ((ApplicationProtocolAccessor) engine).getNegotiatedApplicationProtocol();
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}
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return super.getNegotiatedApplicationProtocol();
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}
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@Override
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public SSLSession getHandshakeSession() {
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if (session instanceof ExtendedOpenSslSession) {
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final ExtendedOpenSslSession extendedOpenSslSession = (ExtendedOpenSslSession) session;
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return new ExtendedOpenSslSession(extendedOpenSslSession) {
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@Override
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public List getRequestedServerNames() {
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return extendedOpenSslSession.getRequestedServerNames();
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}
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@Override
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public String[] getPeerSupportedSignatureAlgorithms() {
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return extendedOpenSslSession.getPeerSupportedSignatureAlgorithms();
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}
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@Override
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public String getProtocol() {
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return SslProtocols.TLS_v1_2;
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}
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};
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} else {
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return new SSLSession() {
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@Override
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public byte[] getId() {
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return session.getId();
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}
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@Override
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public SSLSessionContext getSessionContext() {
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return session.getSessionContext();
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}
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@Override
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public long getCreationTime() {
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return session.getCreationTime();
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}
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@Override
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public long getLastAccessedTime() {
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return session.getLastAccessedTime();
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}
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@Override
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public void invalidate() {
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session.invalidate();
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}
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@Override
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public boolean isValid() {
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return session.isValid();
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}
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@Override
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public void putValue(String s, Object o) {
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session.putValue(s, o);
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}
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@Override
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public Object getValue(String s) {
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return session.getValue(s);
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}
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@Override
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public void removeValue(String s) {
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session.removeValue(s);
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}
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@Override
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public String[] getValueNames() {
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return session.getValueNames();
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}
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@Override
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public Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException {
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return session.getPeerCertificates();
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}
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@Override
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public Certificate[] getLocalCertificates() {
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return session.getLocalCertificates();
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}
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@Override
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public javax.security.cert.X509Certificate[] getPeerCertificateChain()
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throws SSLPeerUnverifiedException {
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return session.getPeerCertificateChain();
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}
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@Override
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public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
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return session.getPeerPrincipal();
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}
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@Override
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public Principal getLocalPrincipal() {
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return session.getLocalPrincipal();
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}
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@Override
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public String getCipherSuite() {
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return session.getCipherSuite();
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}
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@Override
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public String getProtocol() {
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return SslProtocols.TLS_v1_2;
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}
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@Override
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public String getPeerHost() {
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return session.getPeerHost();
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}
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@Override
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public int getPeerPort() {
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return session.getPeerPort();
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}
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@Override
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public int getPacketBufferSize() {
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return session.getPacketBufferSize();
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}
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@Override
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public int getApplicationBufferSize() {
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return session.getApplicationBufferSize();
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}
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};
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}
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}
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};
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}
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return engine;
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}
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@Override
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public void checkClientTrusted(X509Certificate[] x509Certificates, final String s, SSLEngine sslEngine)
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throws CertificateException {
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tm.checkClientTrusted(x509Certificates, s, wrapEngine(sslEngine));
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}
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@Override
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public void checkServerTrusted(X509Certificate[] x509Certificates, String s, SSLEngine sslEngine)
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throws CertificateException {
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tm.checkServerTrusted(x509Certificates, s, wrapEngine(sslEngine));
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}
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@Override
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public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
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tm.checkClientTrusted(x509Certificates, s);
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}
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@Override
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public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
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tm.checkServerTrusted(x509Certificates, s);
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}
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@Override
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public X509Certificate[] getAcceptedIssuers() {
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return tm.getAcceptedIssuers();
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}
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}
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@ -218,7 +218,7 @@ public final class ReferenceCountedOpenSslClientContext extends ReferenceCounted
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ExtendedTrustManagerVerifyCallback(OpenSslEngineMap engineMap, X509ExtendedTrustManager manager) {
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super(engineMap);
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this.manager = OpenSslTlsv13X509ExtendedTrustManager.wrap(manager);
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this.manager = manager;
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}
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@Override
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@ -256,7 +256,7 @@ public final class ReferenceCountedOpenSslServerContext extends ReferenceCounted
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ExtendedTrustManagerVerifyCallback(OpenSslEngineMap engineMap, X509ExtendedTrustManager manager) {
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super(engineMap);
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this.manager = OpenSslTlsv13X509ExtendedTrustManager.wrap(manager);
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this.manager = manager;
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}
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@Override
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