author | xuelei |
Tue, 12 Feb 2019 13:36:15 -0800 | |
changeset 53734 | cb1642ccc732 |
parent 53018 | 8bf9268df0e2 |
child 54443 | dfba4e321ab3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.ssl; |
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import java.net.Socket; |
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import java.security.*; |
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import java.security.cert.*; |
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import java.util.*; |
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import javax.net.ssl.*; |
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import sun.security.util.AnchorCertificates; |
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import sun.security.util.HostnameChecker; |
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import sun.security.validator.*; |
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/** |
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* This class implements the SunJSSE X.509 trust manager using the internal |
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* validator API in J2SE core. The logic in this class is minimal.<p> |
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* <p> |
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* This class supports both the Simple validation algorithm from previous |
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* JSSE versions and PKIX validation. Currently, it is not possible for the |
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* application to specify PKIX parameters other than trust anchors. This will |
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* be fixed in a future release using new APIs. When that happens, it may also |
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* make sense to separate the Simple and PKIX trust managers into separate |
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* classes. |
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* |
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* @author Andreas Sterbenz |
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*/ |
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final class X509TrustManagerImpl extends X509ExtendedTrustManager |
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implements X509TrustManager { |
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private final String validatorType; |
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/** |
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* The Set of trusted X509Certificates. |
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*/ |
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private final Collection<X509Certificate> trustedCerts; |
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private final PKIXBuilderParameters pkixParams; |
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// note that we need separate validator for client and server due to |
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// the different extension checks. They are initialized lazily on demand. |
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private volatile Validator clientValidator, serverValidator; |
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X509TrustManagerImpl(String validatorType, |
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Collection<X509Certificate> trustedCerts) { |
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this.validatorType = validatorType; |
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this.pkixParams = null; |
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if (trustedCerts == null) { |
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trustedCerts = Collections.<X509Certificate>emptySet(); |
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} |
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this.trustedCerts = trustedCerts; |
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,trustmanager")) { |
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SSLLogger.fine("adding as trusted certificates", |
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(Object[])trustedCerts.toArray(new X509Certificate[0])); |
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} |
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} |
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X509TrustManagerImpl(String validatorType, PKIXBuilderParameters params) { |
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this.validatorType = validatorType; |
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this.pkixParams = params; |
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// create server validator eagerly so that we can conveniently |
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// get the trusted certificates |
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// clients need it anyway eventually, and servers will not mind |
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// the little extra footprint |
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Validator v = getValidator(Validator.VAR_TLS_SERVER); |
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trustedCerts = v.getTrustedCertificates(); |
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serverValidator = v; |
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,trustmanager")) { |
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SSLLogger.fine("adding as trusted certificates", |
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(Object[])trustedCerts.toArray(new X509Certificate[0])); |
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} |
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} |
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@Override |
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public void checkClientTrusted(X509Certificate[] chain, String authType) |
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throws CertificateException { |
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checkTrusted(chain, authType, (Socket)null, true); |
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} |
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@Override |
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public void checkServerTrusted(X509Certificate[] chain, String authType) |
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throws CertificateException { |
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checkTrusted(chain, authType, (Socket)null, false); |
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} |
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@Override |
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public X509Certificate[] getAcceptedIssuers() { |
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X509Certificate[] certsArray = new X509Certificate[trustedCerts.size()]; |
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trustedCerts.toArray(certsArray); |
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return certsArray; |
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} |
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@Override |
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public void checkClientTrusted(X509Certificate[] chain, String authType, |
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Socket socket) throws CertificateException { |
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checkTrusted(chain, authType, socket, true); |
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} |
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@Override |
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public void checkServerTrusted(X509Certificate[] chain, String authType, |
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Socket socket) throws CertificateException { |
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checkTrusted(chain, authType, socket, false); |
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} |
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@Override |
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public void checkClientTrusted(X509Certificate[] chain, String authType, |
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SSLEngine engine) throws CertificateException { |
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checkTrusted(chain, authType, engine, true); |
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} |
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@Override |
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public void checkServerTrusted(X509Certificate[] chain, String authType, |
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SSLEngine engine) throws CertificateException { |
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checkTrusted(chain, authType, engine, false); |
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} |
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private Validator checkTrustedInit(X509Certificate[] chain, |
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String authType, boolean isClient) { |
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if (chain == null || chain.length == 0) { |
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throw new IllegalArgumentException( |
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"null or zero-length certificate chain"); |
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} |
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if (authType == null || authType.isEmpty()) { |
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throw new IllegalArgumentException( |
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"null or zero-length authentication type"); |
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} |
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Validator v = null; |
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if (isClient) { |
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v = clientValidator; |
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if (v == null) { |
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synchronized (this) { |
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v = clientValidator; |
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if (v == null) { |
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v = getValidator(Validator.VAR_TLS_CLIENT); |
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clientValidator = v; |
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} |
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} |
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} |
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} else { |
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// assume double checked locking with a volatile flag works |
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// (guaranteed under the new Tiger memory model) |
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v = serverValidator; |
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if (v == null) { |
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synchronized (this) { |
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v = serverValidator; |
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if (v == null) { |
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v = getValidator(Validator.VAR_TLS_SERVER); |
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serverValidator = v; |
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} |
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} |
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} |
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} |
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return v; |
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} |
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private void checkTrusted(X509Certificate[] chain, String authType, |
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Socket socket, boolean isClient) throws CertificateException { |
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Validator v = checkTrustedInit(chain, authType, isClient); |
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X509Certificate[] trustedChain = null; |
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if ((socket != null) && socket.isConnected() && |
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(socket instanceof SSLSocket)) { |
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SSLSocket sslSocket = (SSLSocket)socket; |
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SSLSession session = sslSocket.getHandshakeSession(); |
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if (session == null) { |
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throw new CertificateException("No handshake session"); |
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} |
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// create the algorithm constraints |
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boolean isExtSession = (session instanceof ExtendedSSLSession); |
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AlgorithmConstraints constraints; |
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if (isExtSession && |
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ProtocolVersion.useTLS12PlusSpec(session.getProtocol())) { |
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ExtendedSSLSession extSession = (ExtendedSSLSession)session; |
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String[] localSupportedSignAlgs = |
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extSession.getLocalSupportedSignatureAlgorithms(); |
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constraints = new SSLAlgorithmConstraints( |
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sslSocket, localSupportedSignAlgs, false); |
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} else { |
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constraints = new SSLAlgorithmConstraints(sslSocket, false); |
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} |
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// Grab any stapled OCSP responses for use in validation |
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List<byte[]> responseList = Collections.emptyList(); |
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if (!isClient && isExtSession) { |
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responseList = |
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((ExtendedSSLSession)session).getStatusResponses(); |
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} |
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trustedChain = v.validate(chain, null, responseList, |
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constraints, isClient ? null : authType); |
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// check if EE certificate chains to a public root CA (as |
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// pre-installed in cacerts) |
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boolean chainsToPublicCA = AnchorCertificates.contains( |
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trustedChain[trustedChain.length-1]); |
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// check endpoint identity |
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String identityAlg = sslSocket.getSSLParameters(). |
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getEndpointIdentificationAlgorithm(); |
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if (identityAlg != null && !identityAlg.isEmpty()) { |
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checkIdentity(session, trustedChain[0], identityAlg, isClient, |
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getRequestedServerNames(socket), chainsToPublicCA); |
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} |
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} else { |
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trustedChain = v.validate(chain, null, Collections.emptyList(), |
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null, isClient ? null : authType); |
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} |
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,trustmanager")) { |
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SSLLogger.fine("Found trusted certificate", |
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trustedChain[trustedChain.length - 1]); |
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} |
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} |
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private void checkTrusted(X509Certificate[] chain, String authType, |
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SSLEngine engine, boolean isClient) throws CertificateException { |
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Validator v = checkTrustedInit(chain, authType, isClient); |
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X509Certificate[] trustedChain = null; |
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if (engine != null) { |
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SSLSession session = engine.getHandshakeSession(); |
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if (session == null) { |
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throw new CertificateException("No handshake session"); |
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} |
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// create the algorithm constraints |
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boolean isExtSession = (session instanceof ExtendedSSLSession); |
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AlgorithmConstraints constraints; |
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if (isExtSession && |
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ProtocolVersion.useTLS12PlusSpec(session.getProtocol())) { |
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ExtendedSSLSession extSession = (ExtendedSSLSession)session; |
264 |
String[] localSupportedSignAlgs = |
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extSession.getLocalSupportedSignatureAlgorithms(); |
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constraints = new SSLAlgorithmConstraints( |
268 |
engine, localSupportedSignAlgs, false); |
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} else { |
270 |
constraints = new SSLAlgorithmConstraints(engine, false); |
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} |
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// Grab any stapled OCSP responses for use in validation |
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List<byte[]> responseList = Collections.emptyList(); |
275 |
if (!isClient && isExtSession) { |
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responseList = |
277 |
((ExtendedSSLSession)session).getStatusResponses(); |
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} |
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trustedChain = v.validate(chain, null, responseList, |
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constraints, isClient ? null : authType); |
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// check if EE certificate chains to a public root CA (as |
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// pre-installed in cacerts) |
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boolean chainsToPublicCA = AnchorCertificates.contains( |
285 |
trustedChain[trustedChain.length-1]); |
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// check endpoint identity |
288 |
String identityAlg = engine.getSSLParameters(). |
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getEndpointIdentificationAlgorithm(); |
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if (identityAlg != null && !identityAlg.isEmpty()) { |
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checkIdentity(session, trustedChain[0], identityAlg, isClient, |
292 |
getRequestedServerNames(engine), chainsToPublicCA); |
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293 |
} |
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294 |
} else { |
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trustedChain = v.validate(chain, null, Collections.emptyList(), |
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null, isClient ? null : authType); |
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} |
298 |
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50768 | 299 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,trustmanager")) { |
300 |
SSLLogger.fine("Found trusted certificate", |
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301 |
trustedChain[trustedChain.length - 1]); |
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2 | 302 |
} |
303 |
} |
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304 |
||
305 |
private Validator getValidator(String variant) { |
|
306 |
Validator v; |
|
307 |
if (pkixParams == null) { |
|
308 |
v = Validator.getInstance(validatorType, variant, trustedCerts); |
|
309 |
} else { |
|
310 |
v = Validator.getInstance(validatorType, variant, pkixParams); |
|
311 |
} |
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312 |
return v; |
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313 |
} |
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// Get string representation of HostName from a list of server names. |
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// |
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// We are only accepting host_name name type in the list. |
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private static String getHostNameInSNI(List<SNIServerName> sniNames) { |
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SNIHostName hostname = null; |
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for (SNIServerName sniName : sniNames) { |
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if (sniName.getType() != StandardConstants.SNI_HOST_NAME) { |
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continue; |
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} |
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|
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if (sniName instanceof SNIHostName) { |
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hostname = (SNIHostName)sniName; |
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} else { |
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try { |
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hostname = new SNIHostName(sniName.getEncoded()); |
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} catch (IllegalArgumentException iae) { |
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332 |
// unlikely to happen, just in case ... |
50768 | 333 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,trustmanager")) { |
334 |
SSLLogger.fine("Illegal server name: " + sniName); |
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} |
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} |
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} |
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|
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|
339 |
// no more than server name of the same name type |
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diff
changeset
|
340 |
break; |
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7043
diff
changeset
|
341 |
} |
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diff
changeset
|
342 |
|
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diff
changeset
|
343 |
if (hostname != null) { |
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changeset
|
344 |
return hostname.getAsciiName(); |
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changeset
|
345 |
} |
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diff
changeset
|
346 |
|
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diff
changeset
|
347 |
return null; |
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diff
changeset
|
348 |
} |
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diff
changeset
|
349 |
|
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changeset
|
350 |
// Also used by X509KeyManagerImpl |
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changeset
|
351 |
static List<SNIServerName> getRequestedServerNames(Socket socket) { |
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changeset
|
352 |
if (socket != null && socket.isConnected() && |
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changeset
|
353 |
socket instanceof SSLSocket) { |
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diff
changeset
|
354 |
|
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changeset
|
355 |
SSLSocket sslSocket = (SSLSocket)socket; |
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changeset
|
356 |
SSLSession session = sslSocket.getHandshakeSession(); |
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diff
changeset
|
357 |
|
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diff
changeset
|
358 |
if (session != null && (session instanceof ExtendedSSLSession)) { |
971f46db533d
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diff
changeset
|
359 |
ExtendedSSLSession extSession = (ExtendedSSLSession)session; |
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diff
changeset
|
360 |
return extSession.getRequestedServerNames(); |
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diff
changeset
|
361 |
} |
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7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
362 |
} |
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parents:
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diff
changeset
|
363 |
|
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
364 |
return Collections.<SNIServerName>emptyList(); |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
365 |
} |
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diff
changeset
|
366 |
|
971f46db533d
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diff
changeset
|
367 |
// Also used by X509KeyManagerImpl |
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diff
changeset
|
368 |
static List<SNIServerName> getRequestedServerNames(SSLEngine engine) { |
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diff
changeset
|
369 |
if (engine != null) { |
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diff
changeset
|
370 |
SSLSession session = engine.getHandshakeSession(); |
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diff
changeset
|
371 |
|
971f46db533d
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parents:
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diff
changeset
|
372 |
if (session != null && (session instanceof ExtendedSSLSession)) { |
971f46db533d
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diff
changeset
|
373 |
ExtendedSSLSession extSession = (ExtendedSSLSession)session; |
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changeset
|
374 |
return extSession.getRequestedServerNames(); |
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changeset
|
375 |
} |
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diff
changeset
|
376 |
} |
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diff
changeset
|
377 |
|
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
378 |
return Collections.<SNIServerName>emptyList(); |
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diff
changeset
|
379 |
} |
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diff
changeset
|
380 |
|
971f46db533d
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diff
changeset
|
381 |
/* |
971f46db533d
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diff
changeset
|
382 |
* Per RFC 6066, if an application negotiates a server name using an |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
383 |
* application protocol and then upgrades to TLS, and if a server_name |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
384 |
* extension is sent, then the extension SHOULD contain the same name |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
385 |
* that was negotiated in the application protocol. If the server_name |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
386 |
* is established in the TLS session handshake, the client SHOULD NOT |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
387 |
* attempt to request a different server name at the application layer. |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
388 |
* |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
389 |
* According to the above spec, we only need to check either the identity |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
390 |
* in server_name extension or the peer host of the connection. Peer host |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
391 |
* is not always a reliable fully qualified domain name. The HostName in |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
392 |
* server_name extension is more reliable than peer host. So we prefer |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
393 |
* the identity checking aginst the server_name extension if present, and |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
394 |
* may failove to peer host checking. |
971f46db533d
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diff
changeset
|
395 |
*/ |
971f46db533d
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parents:
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diff
changeset
|
396 |
private static void checkIdentity(SSLSession session, |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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diff
changeset
|
397 |
X509Certificate cert, |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
398 |
String algorithm, |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
399 |
boolean isClient, |
44760 | 400 |
List<SNIServerName> sniNames, |
401 |
boolean chainsToPublicCA) throws CertificateException { |
|
14194
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
402 |
|
971f46db533d
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diff
changeset
|
403 |
boolean identifiable = false; |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
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diff
changeset
|
404 |
String peerHost = session.getPeerHost(); |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
405 |
if (isClient) { |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
406 |
String hostname = getHostNameInSNI(sniNames); |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
407 |
if (hostname != null) { |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
408 |
try { |
44760 | 409 |
checkIdentity(hostname, cert, algorithm, chainsToPublicCA); |
14194
971f46db533d
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diff
changeset
|
410 |
identifiable = true; |
971f46db533d
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parents:
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diff
changeset
|
411 |
} catch (CertificateException ce) { |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
412 |
if (hostname.equalsIgnoreCase(peerHost)) { |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
xuelei
parents:
7043
diff
changeset
|
413 |
throw ce; |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
xuelei
parents:
7043
diff
changeset
|
414 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
xuelei
parents:
7043
diff
changeset
|
415 |
|
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
416 |
// otherwisw, failover to check peer host |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
417 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
418 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
xuelei
parents:
7043
diff
changeset
|
419 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
xuelei
parents:
7043
diff
changeset
|
420 |
|
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
421 |
if (!identifiable) { |
44760 | 422 |
checkIdentity(peerHost, cert, algorithm, chainsToPublicCA); |
14194
971f46db533d
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parents:
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diff
changeset
|
423 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
424 |
} |
971f46db533d
7068321: Support TLS Server Name Indication (SNI) Extension in JSSE Server
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parents:
7043
diff
changeset
|
425 |
|
7043 | 426 |
/* |
427 |
* Identify the peer by its certificate and hostname. |
|
2 | 428 |
* |
7043 | 429 |
* Lifted from sun.net.www.protocol.https.HttpsClient. |
2 | 430 |
*/ |
7043 | 431 |
static void checkIdentity(String hostname, X509Certificate cert, |
432 |
String algorithm) throws CertificateException { |
|
44760 | 433 |
checkIdentity(hostname, cert, algorithm, false); |
434 |
} |
|
435 |
||
436 |
private static void checkIdentity(String hostname, X509Certificate cert, |
|
437 |
String algorithm, boolean chainsToPublicCA) |
|
438 |
throws CertificateException { |
|
53018
8bf9268df0e2
8215281: Use String.isEmpty() when applicable in java.base
redestad
parents:
50768
diff
changeset
|
439 |
if (algorithm != null && !algorithm.isEmpty()) { |
2 | 440 |
// if IPv6 strip off the "[]" |
7043 | 441 |
if ((hostname != null) && hostname.startsWith("[") && |
442 |
hostname.endsWith("]")) { |
|
443 |
hostname = hostname.substring(1, hostname.length() - 1); |
|
2 | 444 |
} |
445 |
||
446 |
if (algorithm.equalsIgnoreCase("HTTPS")) { |
|
447 |
HostnameChecker.getInstance(HostnameChecker.TYPE_TLS).match( |
|
44760 | 448 |
hostname, cert, chainsToPublicCA); |
7043 | 449 |
} else if (algorithm.equalsIgnoreCase("LDAP") || |
450 |
algorithm.equalsIgnoreCase("LDAPS")) { |
|
2 | 451 |
HostnameChecker.getInstance(HostnameChecker.TYPE_LDAP).match( |
44760 | 452 |
hostname, cert, chainsToPublicCA); |
2 | 453 |
} else { |
454 |
throw new CertificateException( |
|
455 |
"Unknown identification algorithm: " + algorithm); |
|
456 |
} |
|
457 |
} |
|
458 |
} |
|
459 |
} |
|
50768 | 460 |