50768
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/*
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* Copyright (c) 2015, 2018, 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.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.security.PublicKey;
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import java.security.cert.CertPathValidatorException;
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import java.security.cert.CertPathValidatorException.BasicReason;
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import java.security.cert.CertPathValidatorException.Reason;
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import java.security.cert.CertificateEncodingException;
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import java.security.cert.CertificateException;
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import java.security.cert.CertificateFactory;
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import java.security.cert.CertificateParsingException;
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import java.security.cert.X509Certificate;
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import java.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Locale;
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import javax.net.ssl.SSLEngine;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLProtocolException;
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import javax.net.ssl.SSLSocket;
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import javax.net.ssl.X509ExtendedTrustManager;
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import javax.net.ssl.X509TrustManager;
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import javax.security.auth.x500.X500Principal;
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import static sun.security.ssl.ClientAuthType.CLIENT_AUTH_REQUIRED;
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import sun.security.ssl.ClientHello.ClientHelloMessage;
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import sun.security.ssl.SSLHandshake.HandshakeMessage;
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import sun.security.ssl.X509Authentication.X509Credentials;
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import sun.security.ssl.X509Authentication.X509Possession;
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/**
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* Pack of the CertificateMessage handshake message.
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*/
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final class CertificateMessage {
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static final SSLConsumer t12HandshakeConsumer =
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new T12CertificateConsumer();
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static final HandshakeProducer t12HandshakeProducer =
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new T12CertificateProducer();
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static final SSLConsumer t13HandshakeConsumer =
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new T13CertificateConsumer();
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static final HandshakeProducer t13HandshakeProducer =
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new T13CertificateProducer();
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/**
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* The Certificate handshake message for TLS 1.2 and previous
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* SSL/TLS protocol versions.
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*
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* In server mode, the certificate handshake message is sent whenever the
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* agreed-upon key exchange method uses certificates for authentication.
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* In client mode, this message is only sent if the server requests a
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* certificate for client authentication.
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*
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* opaque ASN.1Cert<1..2^24-1>;
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*
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* SSL 3.0:
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* struct {
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* ASN.1Cert certificate_list<1..2^24-1>;
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* } Certificate;
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* Note: For SSL 3.0 client authentication, if no suitable certificate
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* is available, the client should send a no_certificate alert instead.
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* This alert is only a warning; however, the server may respond with
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* a fatal handshake failure alert if client authentication is required.
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*
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* TLS 1.0/1.1/1.2:
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* struct {
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* ASN.1Cert certificate_list<0..2^24-1>;
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* } Certificate;
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*/
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static final class T12CertificateMessage extends HandshakeMessage {
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final List<byte[]> encodedCertChain;
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T12CertificateMessage(HandshakeContext handshakeContext,
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X509Certificate[] certChain) throws SSLException {
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super(handshakeContext);
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List<byte[]> encodedCerts = new ArrayList<>(certChain.length);
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for (X509Certificate cert : certChain) {
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try {
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encodedCerts.add(cert.getEncoded());
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} catch (CertificateEncodingException cee) {
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// unlikely
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handshakeContext.conContext.fatal(Alert.INTERNAL_ERROR,
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"Could not encode certificate (" +
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cert.getSubjectX500Principal() + ")", cee);
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break;
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}
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}
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this.encodedCertChain = encodedCerts;
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}
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T12CertificateMessage(HandshakeContext handshakeContext,
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ByteBuffer m) throws IOException {
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super(handshakeContext);
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int listLen = Record.getInt24(m);
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if (listLen > m.remaining()) {
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handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"Error parsing certificate message:no sufficient data");
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}
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if (listLen > 0) {
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List<byte[]> encodedCerts = new LinkedList<>();
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while (listLen > 0) {
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byte[] encodedCert = Record.getBytes24(m);
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listLen -= (3 + encodedCert.length);
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encodedCerts.add(encodedCert);
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}
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this.encodedCertChain = encodedCerts;
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} else {
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this.encodedCertChain = Collections.emptyList();
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}
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}
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@Override
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public SSLHandshake handshakeType() {
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return SSLHandshake.CERTIFICATE;
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}
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@Override
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public int messageLength() {
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int msgLen = 3;
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for (byte[] encodedCert : encodedCertChain) {
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msgLen += (encodedCert.length + 3);
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}
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return msgLen;
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}
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@Override
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public void send(HandshakeOutStream hos) throws IOException {
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int listLen = 0;
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for (byte[] encodedCert : encodedCertChain) {
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listLen += (encodedCert.length + 3);
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}
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hos.putInt24(listLen);
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for (byte[] encodedCert : encodedCertChain) {
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hos.putBytes24(encodedCert);
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}
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}
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@Override
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public String toString() {
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if (encodedCertChain.isEmpty()) {
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return "\"Certificates\": <empty list>";
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}
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Object[] x509Certs = new Object[encodedCertChain.size()];
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try {
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CertificateFactory cf = CertificateFactory.getInstance("X.509");
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int i = 0;
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for (byte[] encodedCert : encodedCertChain) {
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Object obj;
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try {
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obj = (X509Certificate)cf.generateCertificate(
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new ByteArrayInputStream(encodedCert));
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} catch (CertificateException ce) {
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obj = encodedCert;
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}
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x509Certs[i++] = obj;
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}
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} catch (CertificateException ce) {
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// no X.509 certificate factory service
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int i = 0;
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for (byte[] encodedCert : encodedCertChain) {
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x509Certs[i++] = encodedCert;
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}
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}
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MessageFormat messageFormat = new MessageFormat(
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"\"Certificates\": [\n" +
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"{0}\n" +
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"]",
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Locale.ENGLISH);
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Object[] messageFields = {
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SSLLogger.toString(x509Certs)
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};
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return messageFormat.format(messageFields);
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}
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}
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/**
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* The "Certificate" handshake message producer for TLS 1.2 and
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* previous SSL/TLS protocol versions.
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*/
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private static final
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class T12CertificateProducer implements HandshakeProducer {
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// Prevent instantiation of this class.
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private T12CertificateProducer() {
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// blank
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}
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@Override
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public byte[] produce(ConnectionContext context,
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HandshakeMessage message) throws IOException {
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// The producing happens in handshake context only.
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HandshakeContext hc = (HandshakeContext)context;
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if (hc.sslConfig.isClientMode) {
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return onProduceCertificate(
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(ClientHandshakeContext)context, message);
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} else {
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return onProduceCertificate(
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(ServerHandshakeContext)context, message);
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}
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}
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private byte[] onProduceCertificate(ServerHandshakeContext shc,
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SSLHandshake.HandshakeMessage message) throws IOException {
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X509Possession x509Possession = null;
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for (SSLPossession possession : shc.handshakePossessions) {
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if (possession instanceof X509Possession) {
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x509Possession = (X509Possession)possession;
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break;
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}
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}
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if (x509Possession == null) { // unlikely
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shc.conContext.fatal(Alert.INTERNAL_ERROR,
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"No expected X.509 certificate for server authentication");
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return null; // make the compiler happy
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}
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shc.handshakeSession.setLocalPrivateKey(
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x509Possession.popPrivateKey);
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shc.handshakeSession.setLocalCertificates(x509Possession.popCerts);
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T12CertificateMessage cm =
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new T12CertificateMessage(shc, x509Possession.popCerts);
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"Produced server Certificate handshake message", cm);
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}
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// Output the handshake message.
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cm.write(shc.handshakeOutput);
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shc.handshakeOutput.flush();
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// The handshake message has been delivered.
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return null;
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}
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private byte[] onProduceCertificate(ClientHandshakeContext chc,
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SSLHandshake.HandshakeMessage message) throws IOException {
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X509Possession x509Possession = null;
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for (SSLPossession possession : chc.handshakePossessions) {
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if (possession instanceof X509Possession) {
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x509Possession = (X509Possession)possession;
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break;
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}
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}
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// Report to the server if no appropriate cert was found. For
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// SSL 3.0, send a no_certificate alert; TLS 1.0/1.1/1.2 uses
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// an empty cert chain instead.
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if (x509Possession == null) {
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if (chc.negotiatedProtocol.useTLS10PlusSpec()) {
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"No X.509 certificate for client authentication, " +
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"use empty Certificate message instead");
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}
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x509Possession =
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new X509Possession(null, new X509Certificate[0]);
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} else {
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"No X.509 certificate for client authentication, " +
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"send a no_certificate alert");
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}
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chc.conContext.warning(Alert.NO_CERTIFICATE);
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return null;
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}
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}
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chc.handshakeSession.setLocalPrivateKey(
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x509Possession.popPrivateKey);
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if (x509Possession.popCerts != null &&
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x509Possession.popCerts.length != 0) {
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chc.handshakeSession.setLocalCertificates(
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x509Possession.popCerts);
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} else {
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chc.handshakeSession.setLocalCertificates(null);
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}
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T12CertificateMessage cm =
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new T12CertificateMessage(chc, x509Possession.popCerts);
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"Produced client Certificate handshake message", cm);
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}
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// Output the handshake message.
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cm.write(chc.handshakeOutput);
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chc.handshakeOutput.flush();
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// The handshake message has been delivered.
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return null;
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}
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}
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/**
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* The "Certificate" handshake message consumer for TLS 1.2 and
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* previous SSL/TLS protocol versions.
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*/
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static final
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class T12CertificateConsumer implements SSLConsumer {
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// Prevent instantiation of this class.
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private T12CertificateConsumer() {
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// blank
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}
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@Override
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public void consume(ConnectionContext context,
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ByteBuffer message) throws IOException {
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// The consuming happens in handshake context only.
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HandshakeContext hc = (HandshakeContext)context;
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// clean up this consumer
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hc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE.id);
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T12CertificateMessage cm = new T12CertificateMessage(hc, message);
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if (hc.sslConfig.isClientMode) {
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"Consuming server Certificate handshake message", cm);
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}
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onCertificate((ClientHandshakeContext)context, cm);
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} else {
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"Consuming client Certificate handshake message", cm);
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}
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onCertificate((ServerHandshakeContext)context, cm);
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}
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}
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private void onCertificate(ServerHandshakeContext shc,
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T12CertificateMessage certificateMessage )throws IOException {
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List<byte[]> encodedCerts = certificateMessage.encodedCertChain;
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if (encodedCerts == null || encodedCerts.isEmpty()) {
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if (shc.sslConfig.clientAuthType !=
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ClientAuthType.CLIENT_AUTH_REQUESTED) {
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// unexpected or require client authentication
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shc.conContext.fatal(Alert.BAD_CERTIFICATE,
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"Empty server certificate chain");
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} else {
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return;
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}
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}
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X509Certificate[] x509Certs =
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new X509Certificate[encodedCerts.size()];
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try {
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CertificateFactory cf = CertificateFactory.getInstance("X.509");
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int i = 0;
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for (byte[] encodedCert : encodedCerts) {
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x509Certs[i++] = (X509Certificate)cf.generateCertificate(
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new ByteArrayInputStream(encodedCert));
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}
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} catch (CertificateException ce) {
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shc.conContext.fatal(Alert.BAD_CERTIFICATE,
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"Failed to parse server certificates", ce);
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}
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checkClientCerts(shc, x509Certs);
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//
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// update
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//
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shc.handshakeCredentials.add(
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new X509Credentials(x509Certs[0].getPublicKey(), x509Certs));
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shc.handshakeSession.setPeerCertificates(x509Certs);
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}
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408 |
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private void onCertificate(ClientHandshakeContext chc,
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T12CertificateMessage certificateMessage) throws IOException {
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List<byte[]> encodedCerts = certificateMessage.encodedCertChain;
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412 |
if (encodedCerts == null || encodedCerts.isEmpty()) {
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chc.conContext.fatal(Alert.BAD_CERTIFICATE,
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"Empty server certificate chain");
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}
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416 |
|
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417 |
X509Certificate[] x509Certs =
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new X509Certificate[encodedCerts.size()];
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419 |
try {
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|
420 |
CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
|
421 |
int i = 0;
|
|
422 |
for (byte[] encodedCert : encodedCerts) {
|
|
423 |
x509Certs[i++] = (X509Certificate)cf.generateCertificate(
|
|
424 |
new ByteArrayInputStream(encodedCert));
|
|
425 |
}
|
|
426 |
} catch (CertificateException ce) {
|
|
427 |
chc.conContext.fatal(Alert.BAD_CERTIFICATE,
|
|
428 |
"Failed to parse server certificates", ce);
|
|
429 |
}
|
|
430 |
|
|
431 |
// Allow server certificate change in client side during
|
|
432 |
// renegotiation after a session-resumption abbreviated
|
|
433 |
// initial handshake?
|
|
434 |
//
|
|
435 |
// DO NOT need to check allowUnsafeServerCertChange here. We only
|
|
436 |
// reserve server certificates when allowUnsafeServerCertChange is
|
|
437 |
// false.
|
|
438 |
if (chc.reservedServerCerts != null &&
|
|
439 |
!chc.handshakeSession.useExtendedMasterSecret) {
|
|
440 |
// It is not necessary to check the certificate update if
|
|
441 |
// endpoint identification is enabled.
|
|
442 |
String identityAlg = chc.sslConfig.identificationProtocol;
|
|
443 |
if ((identityAlg == null || identityAlg.length() == 0) &&
|
|
444 |
!isIdentityEquivalent(x509Certs[0],
|
|
445 |
chc.reservedServerCerts[0])) {
|
|
446 |
chc.conContext.fatal(Alert.BAD_CERTIFICATE,
|
|
447 |
"server certificate change is restricted " +
|
|
448 |
"during renegotiation");
|
|
449 |
}
|
|
450 |
}
|
|
451 |
|
|
452 |
// ask the trust manager to verify the chain
|
|
453 |
if (chc.staplingActive) {
|
|
454 |
// Defer the certificate check until after we've received the
|
|
455 |
// CertificateStatus message. If that message doesn't come in
|
|
456 |
// immediately following this message we will execute the
|
|
457 |
// check from CertificateStatus' absent handler.
|
|
458 |
chc.deferredCerts = x509Certs;
|
|
459 |
} else {
|
|
460 |
// We're not doing stapling, so perform the check right now
|
|
461 |
checkServerCerts(chc, x509Certs);
|
|
462 |
}
|
|
463 |
|
|
464 |
//
|
|
465 |
// update
|
|
466 |
//
|
|
467 |
chc.handshakeCredentials.add(
|
|
468 |
new X509Credentials(x509Certs[0].getPublicKey(), x509Certs));
|
|
469 |
chc.handshakeSession.setPeerCertificates(x509Certs);
|
|
470 |
}
|
|
471 |
|
|
472 |
/*
|
|
473 |
* Whether the certificates can represent the same identity?
|
|
474 |
*
|
|
475 |
* The certificates can be used to represent the same identity:
|
|
476 |
* 1. If the subject alternative names of IP address are present
|
|
477 |
* in both certificates, they should be identical; otherwise,
|
|
478 |
* 2. if the subject alternative names of DNS name are present in
|
|
479 |
* both certificates, they should be identical; otherwise,
|
|
480 |
* 3. if the subject fields are present in both certificates, the
|
|
481 |
* certificate subjects and issuers should be identical.
|
|
482 |
*/
|
|
483 |
private static boolean isIdentityEquivalent(X509Certificate thisCert,
|
|
484 |
X509Certificate prevCert) {
|
|
485 |
if (thisCert.equals(prevCert)) {
|
|
486 |
return true;
|
|
487 |
}
|
|
488 |
|
|
489 |
// check subject alternative names
|
|
490 |
Collection<List<?>> thisSubjectAltNames = null;
|
|
491 |
try {
|
|
492 |
thisSubjectAltNames = thisCert.getSubjectAlternativeNames();
|
|
493 |
} catch (CertificateParsingException cpe) {
|
|
494 |
if (SSLLogger.isOn && SSLLogger.isOn("handshake")) {
|
|
495 |
SSLLogger.fine(
|
|
496 |
"Attempt to obtain subjectAltNames extension failed!");
|
|
497 |
}
|
|
498 |
}
|
|
499 |
|
|
500 |
Collection<List<?>> prevSubjectAltNames = null;
|
|
501 |
try {
|
|
502 |
prevSubjectAltNames = prevCert.getSubjectAlternativeNames();
|
|
503 |
} catch (CertificateParsingException cpe) {
|
|
504 |
if (SSLLogger.isOn && SSLLogger.isOn("handshake")) {
|
|
505 |
SSLLogger.fine(
|
|
506 |
"Attempt to obtain subjectAltNames extension failed!");
|
|
507 |
}
|
|
508 |
}
|
|
509 |
|
|
510 |
if (thisSubjectAltNames != null && prevSubjectAltNames != null) {
|
|
511 |
// check the iPAddress field in subjectAltName extension
|
|
512 |
//
|
|
513 |
// 7: subject alternative name of type IP.
|
|
514 |
Collection<String> thisSubAltIPAddrs =
|
|
515 |
getSubjectAltNames(thisSubjectAltNames, 7);
|
|
516 |
Collection<String> prevSubAltIPAddrs =
|
|
517 |
getSubjectAltNames(prevSubjectAltNames, 7);
|
|
518 |
if (thisSubAltIPAddrs != null && prevSubAltIPAddrs != null &&
|
|
519 |
isEquivalent(thisSubAltIPAddrs, prevSubAltIPAddrs)) {
|
|
520 |
return true;
|
|
521 |
}
|
|
522 |
|
|
523 |
// check the dNSName field in subjectAltName extension
|
|
524 |
// 2: subject alternative name of type IP.
|
|
525 |
Collection<String> thisSubAltDnsNames =
|
|
526 |
getSubjectAltNames(thisSubjectAltNames, 2);
|
|
527 |
Collection<String> prevSubAltDnsNames =
|
|
528 |
getSubjectAltNames(prevSubjectAltNames, 2);
|
|
529 |
if (thisSubAltDnsNames != null && prevSubAltDnsNames != null &&
|
|
530 |
isEquivalent(thisSubAltDnsNames, prevSubAltDnsNames)) {
|
|
531 |
return true;
|
|
532 |
}
|
|
533 |
}
|
|
534 |
|
|
535 |
// check the certificate subject and issuer
|
|
536 |
X500Principal thisSubject = thisCert.getSubjectX500Principal();
|
|
537 |
X500Principal prevSubject = prevCert.getSubjectX500Principal();
|
|
538 |
X500Principal thisIssuer = thisCert.getIssuerX500Principal();
|
|
539 |
X500Principal prevIssuer = prevCert.getIssuerX500Principal();
|
|
540 |
|
|
541 |
return (!thisSubject.getName().isEmpty() &&
|
|
542 |
!prevSubject.getName().isEmpty() &&
|
|
543 |
thisSubject.equals(prevSubject) &&
|
|
544 |
thisIssuer.equals(prevIssuer));
|
|
545 |
}
|
|
546 |
|
|
547 |
/*
|
|
548 |
* Returns the subject alternative name of the specified type in the
|
|
549 |
* subjectAltNames extension of a certificate.
|
|
550 |
*
|
|
551 |
* Note that only those subjectAltName types that use String data
|
|
552 |
* should be passed into this function.
|
|
553 |
*/
|
|
554 |
private static Collection<String> getSubjectAltNames(
|
|
555 |
Collection<List<?>> subjectAltNames, int type) {
|
|
556 |
HashSet<String> subAltDnsNames = null;
|
|
557 |
for (List<?> subjectAltName : subjectAltNames) {
|
|
558 |
int subjectAltNameType = (Integer)subjectAltName.get(0);
|
|
559 |
if (subjectAltNameType == type) {
|
|
560 |
String subAltDnsName = (String)subjectAltName.get(1);
|
|
561 |
if ((subAltDnsName != null) && !subAltDnsName.isEmpty()) {
|
|
562 |
if (subAltDnsNames == null) {
|
|
563 |
subAltDnsNames =
|
|
564 |
new HashSet<>(subjectAltNames.size());
|
|
565 |
}
|
|
566 |
subAltDnsNames.add(subAltDnsName);
|
|
567 |
}
|
|
568 |
}
|
|
569 |
}
|
|
570 |
|
|
571 |
return subAltDnsNames;
|
|
572 |
}
|
|
573 |
|
|
574 |
private static boolean isEquivalent(Collection<String> thisSubAltNames,
|
|
575 |
Collection<String> prevSubAltNames) {
|
|
576 |
for (String thisSubAltName : thisSubAltNames) {
|
|
577 |
for (String prevSubAltName : prevSubAltNames) {
|
|
578 |
// Only allow the exactly match. No wildcard character
|
|
579 |
// checking.
|
|
580 |
if (thisSubAltName.equalsIgnoreCase(prevSubAltName)) {
|
|
581 |
return true;
|
|
582 |
}
|
|
583 |
}
|
|
584 |
}
|
|
585 |
|
|
586 |
return false;
|
|
587 |
}
|
|
588 |
|
|
589 |
/**
|
|
590 |
* Perform client-side checking of server certificates.
|
|
591 |
*
|
|
592 |
* @param certs an array of {@code X509Certificate} objects presented
|
|
593 |
* by the server in the ServerCertificate message.
|
|
594 |
*
|
|
595 |
* @throws IOException if a failure occurs during validation or
|
|
596 |
* the trust manager associated with the {@code SSLContext} is not
|
|
597 |
* an {@code X509ExtendedTrustManager}.
|
|
598 |
*/
|
|
599 |
static void checkServerCerts(ClientHandshakeContext chc,
|
|
600 |
X509Certificate[] certs) throws IOException {
|
|
601 |
|
|
602 |
X509TrustManager tm = chc.sslContext.getX509TrustManager();
|
|
603 |
|
|
604 |
// find out the key exchange algorithm used
|
|
605 |
// use "RSA" for non-ephemeral "RSA_EXPORT"
|
|
606 |
String keyExchangeString;
|
|
607 |
if (chc.negotiatedCipherSuite.keyExchange ==
|
|
608 |
CipherSuite.KeyExchange.K_RSA_EXPORT ||
|
|
609 |
chc.negotiatedCipherSuite.keyExchange ==
|
|
610 |
CipherSuite.KeyExchange.K_DHE_RSA_EXPORT) {
|
|
611 |
keyExchangeString = CipherSuite.KeyExchange.K_RSA.name;
|
|
612 |
} else {
|
|
613 |
keyExchangeString = chc.negotiatedCipherSuite.keyExchange.name;
|
|
614 |
}
|
|
615 |
|
|
616 |
try {
|
|
617 |
if (tm instanceof X509ExtendedTrustManager) {
|
|
618 |
if (chc.conContext.transport instanceof SSLEngine) {
|
|
619 |
SSLEngine engine = (SSLEngine)chc.conContext.transport;
|
|
620 |
((X509ExtendedTrustManager)tm).checkServerTrusted(
|
|
621 |
certs.clone(),
|
|
622 |
keyExchangeString,
|
|
623 |
engine);
|
|
624 |
} else {
|
|
625 |
SSLSocket socket = (SSLSocket)chc.conContext.transport;
|
|
626 |
((X509ExtendedTrustManager)tm).checkServerTrusted(
|
|
627 |
certs.clone(),
|
|
628 |
keyExchangeString,
|
|
629 |
socket);
|
|
630 |
}
|
|
631 |
} else {
|
|
632 |
// Unlikely to happen, because we have wrapped the old
|
|
633 |
// X509TrustManager with the new X509ExtendedTrustManager.
|
|
634 |
throw new CertificateException(
|
|
635 |
"Improper X509TrustManager implementation");
|
|
636 |
}
|
|
637 |
|
|
638 |
// Once the server certificate chain has been validated, set
|
|
639 |
// the certificate chain in the TLS session.
|
|
640 |
chc.handshakeSession.setPeerCertificates(certs);
|
|
641 |
} catch (CertificateException ce) {
|
|
642 |
chc.conContext.fatal(getCertificateAlert(chc, ce), ce);
|
|
643 |
}
|
|
644 |
}
|
|
645 |
|
|
646 |
private static void checkClientCerts(ServerHandshakeContext shc,
|
|
647 |
X509Certificate[] certs) throws IOException {
|
|
648 |
X509TrustManager tm = shc.sslContext.getX509TrustManager();
|
|
649 |
|
|
650 |
// find out the types of client authentication used
|
|
651 |
PublicKey key = certs[0].getPublicKey();
|
|
652 |
String keyAlgorithm = key.getAlgorithm();
|
|
653 |
String authType;
|
|
654 |
switch (keyAlgorithm) {
|
|
655 |
case "RSA":
|
|
656 |
case "DSA":
|
|
657 |
case "EC":
|
|
658 |
case "RSASSA-PSS":
|
|
659 |
authType = keyAlgorithm;
|
|
660 |
break;
|
|
661 |
default:
|
|
662 |
// unknown public key type
|
|
663 |
authType = "UNKNOWN";
|
|
664 |
}
|
|
665 |
|
|
666 |
try {
|
|
667 |
if (tm instanceof X509ExtendedTrustManager) {
|
|
668 |
if (shc.conContext.transport instanceof SSLEngine) {
|
|
669 |
SSLEngine engine = (SSLEngine)shc.conContext.transport;
|
|
670 |
((X509ExtendedTrustManager)tm).checkClientTrusted(
|
|
671 |
certs.clone(),
|
|
672 |
authType,
|
|
673 |
engine);
|
|
674 |
} else {
|
|
675 |
SSLSocket socket = (SSLSocket)shc.conContext.transport;
|
|
676 |
((X509ExtendedTrustManager)tm).checkClientTrusted(
|
|
677 |
certs.clone(),
|
|
678 |
authType,
|
|
679 |
socket);
|
|
680 |
}
|
|
681 |
} else {
|
|
682 |
// Unlikely to happen, because we have wrapped the old
|
|
683 |
// X509TrustManager with the new X509ExtendedTrustManager.
|
|
684 |
throw new CertificateException(
|
|
685 |
"Improper X509TrustManager implementation");
|
|
686 |
}
|
|
687 |
} catch (CertificateException ce) {
|
|
688 |
shc.conContext.fatal(Alert.CERTIFICATE_UNKNOWN, ce);
|
|
689 |
}
|
|
690 |
}
|
|
691 |
|
|
692 |
/**
|
|
693 |
* When a failure happens during certificate checking from an
|
|
694 |
* {@link X509TrustManager}, determine what TLS alert description
|
|
695 |
* to use.
|
|
696 |
*
|
|
697 |
* @param cexc The exception thrown by the {@link X509TrustManager}
|
|
698 |
*
|
|
699 |
* @return A byte value corresponding to a TLS alert description number.
|
|
700 |
*/
|
|
701 |
private static Alert getCertificateAlert(
|
|
702 |
ClientHandshakeContext chc, CertificateException cexc) {
|
|
703 |
// The specific reason for the failure will determine how to
|
|
704 |
// set the alert description value
|
|
705 |
Alert alert = Alert.CERTIFICATE_UNKNOWN;
|
|
706 |
|
|
707 |
Throwable baseCause = cexc.getCause();
|
|
708 |
if (baseCause instanceof CertPathValidatorException) {
|
|
709 |
CertPathValidatorException cpve =
|
|
710 |
(CertPathValidatorException)baseCause;
|
|
711 |
Reason reason = cpve.getReason();
|
|
712 |
if (reason == BasicReason.REVOKED) {
|
|
713 |
alert = chc.staplingActive ?
|
|
714 |
Alert.BAD_CERT_STATUS_RESPONSE :
|
|
715 |
Alert.CERTIFICATE_REVOKED;
|
|
716 |
} else if (
|
|
717 |
reason == BasicReason.UNDETERMINED_REVOCATION_STATUS) {
|
|
718 |
alert = chc.staplingActive ?
|
|
719 |
Alert.BAD_CERT_STATUS_RESPONSE :
|
|
720 |
Alert.CERTIFICATE_UNKNOWN;
|
|
721 |
}
|
|
722 |
}
|
|
723 |
|
|
724 |
return alert;
|
|
725 |
}
|
|
726 |
|
|
727 |
}
|
|
728 |
|
|
729 |
/**
|
|
730 |
* The certificate entry used in Certificate handshake message for TLS 1.3.
|
|
731 |
*/
|
|
732 |
static final class CertificateEntry {
|
|
733 |
final byte[] encoded; // encoded cert or public key
|
|
734 |
private final SSLExtensions extensions;
|
|
735 |
|
|
736 |
CertificateEntry(byte[] encoded, SSLExtensions extensions) {
|
|
737 |
this.encoded = encoded;
|
|
738 |
this.extensions = extensions;
|
|
739 |
}
|
|
740 |
|
|
741 |
private int getEncodedSize() {
|
|
742 |
int extLen = extensions.length();
|
|
743 |
if (extLen == 0) {
|
|
744 |
extLen = 2; // empty extensions
|
|
745 |
}
|
|
746 |
return 3 + encoded.length + extLen;
|
|
747 |
}
|
|
748 |
|
|
749 |
@Override
|
|
750 |
public String toString() {
|
|
751 |
MessageFormat messageFormat = new MessageFormat(
|
|
752 |
"\n'{'\n" +
|
|
753 |
"{0}\n" + // X.509 certificate
|
|
754 |
" \"extensions\": '{'\n" +
|
|
755 |
"{1}\n" +
|
|
756 |
" '}'\n" +
|
|
757 |
"'}',", Locale.ENGLISH);
|
|
758 |
|
|
759 |
Object x509Certs;
|
|
760 |
try {
|
|
761 |
// Don't support certificate type extension (RawPublicKey) yet.
|
|
762 |
CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
|
763 |
x509Certs =
|
|
764 |
cf.generateCertificate(new ByteArrayInputStream(encoded));
|
|
765 |
} catch (CertificateException ce) {
|
|
766 |
// no X.509 certificate factory service
|
|
767 |
x509Certs = encoded;
|
|
768 |
}
|
|
769 |
|
|
770 |
Object[] messageFields = {
|
|
771 |
SSLLogger.toString(x509Certs),
|
|
772 |
Utilities.indent(extensions.toString(), " ")
|
|
773 |
};
|
|
774 |
|
|
775 |
return messageFormat.format(messageFields);
|
|
776 |
}
|
|
777 |
}
|
|
778 |
|
|
779 |
/**
|
|
780 |
* The Certificate handshake message for TLS 1.3.
|
|
781 |
*/
|
|
782 |
static final class T13CertificateMessage extends HandshakeMessage {
|
|
783 |
private final byte[] requestContext;
|
|
784 |
private final List<CertificateEntry> certEntries;
|
|
785 |
|
|
786 |
T13CertificateMessage(HandshakeContext context,
|
|
787 |
byte[] requestContext, X509Certificate[] certificates)
|
|
788 |
throws SSLException, CertificateException {
|
|
789 |
super(context);
|
|
790 |
|
|
791 |
this.requestContext = requestContext.clone();
|
|
792 |
this.certEntries = new LinkedList<>();
|
|
793 |
for (X509Certificate cert : certificates) {
|
|
794 |
byte[] encoded = cert.getEncoded();
|
|
795 |
SSLExtensions extensions = new SSLExtensions(this);
|
|
796 |
certEntries.add(new CertificateEntry(encoded, extensions));
|
|
797 |
}
|
|
798 |
}
|
|
799 |
|
|
800 |
T13CertificateMessage(HandshakeContext handshakeContext,
|
|
801 |
byte[] requestContext, List<CertificateEntry> certificates) {
|
|
802 |
super(handshakeContext);
|
|
803 |
|
|
804 |
this.requestContext = requestContext.clone();
|
|
805 |
this.certEntries = certificates;
|
|
806 |
}
|
|
807 |
|
|
808 |
T13CertificateMessage(HandshakeContext handshakeContext,
|
|
809 |
ByteBuffer m) throws IOException {
|
|
810 |
super(handshakeContext);
|
|
811 |
|
|
812 |
// struct {
|
|
813 |
// opaque certificate_request_context<0..2^8-1>;
|
|
814 |
// CertificateEntry certificate_list<0..2^24-1>;
|
|
815 |
// } Certificate;
|
|
816 |
if (m.remaining() < 4) {
|
|
817 |
throw new SSLProtocolException(
|
|
818 |
"Invalid Certificate message: " +
|
|
819 |
"insufficient data (length=" + m.remaining() + ")");
|
|
820 |
}
|
|
821 |
this.requestContext = Record.getBytes8(m);
|
|
822 |
|
|
823 |
if (m.remaining() < 3) {
|
|
824 |
throw new SSLProtocolException(
|
|
825 |
"Invalid Certificate message: " +
|
|
826 |
"insufficient certificate entries data (length=" +
|
|
827 |
m.remaining() + ")");
|
|
828 |
}
|
|
829 |
|
|
830 |
int listLen = Record.getInt24(m);
|
|
831 |
if (listLen != m.remaining()) {
|
|
832 |
throw new SSLProtocolException(
|
|
833 |
"Invalid Certificate message: " +
|
|
834 |
"incorrect list length (length=" + listLen + ")");
|
|
835 |
}
|
|
836 |
|
|
837 |
SSLExtension[] enabledExtensions =
|
|
838 |
handshakeContext.sslConfig.getEnabledExtensions(
|
|
839 |
SSLHandshake.CERTIFICATE);
|
|
840 |
List<CertificateEntry> certList = new LinkedList<>();
|
|
841 |
while (m.hasRemaining()) {
|
|
842 |
// Note: support only X509 CertificateType right now.
|
|
843 |
byte[] encodedCert = Record.getBytes24(m);
|
|
844 |
if (encodedCert.length == 0) {
|
|
845 |
throw new SSLProtocolException(
|
|
846 |
"Invalid Certificate message: empty cert_data");
|
|
847 |
}
|
|
848 |
|
|
849 |
SSLExtensions extensions =
|
|
850 |
new SSLExtensions(this, m, enabledExtensions);
|
|
851 |
certList.add(new CertificateEntry(encodedCert, extensions));
|
|
852 |
}
|
|
853 |
|
|
854 |
this.certEntries = Collections.unmodifiableList(certList);
|
|
855 |
}
|
|
856 |
|
|
857 |
@Override
|
|
858 |
public SSLHandshake handshakeType() {
|
|
859 |
return SSLHandshake.CERTIFICATE;
|
|
860 |
}
|
|
861 |
|
|
862 |
@Override
|
|
863 |
public int messageLength() {
|
|
864 |
int msgLen = 4 + requestContext.length;
|
|
865 |
for (CertificateEntry entry : certEntries) {
|
|
866 |
msgLen += entry.getEncodedSize();
|
|
867 |
}
|
|
868 |
|
|
869 |
return msgLen;
|
|
870 |
}
|
|
871 |
|
|
872 |
@Override
|
|
873 |
public void send(HandshakeOutStream hos) throws IOException {
|
|
874 |
int entryListLen = 0;
|
|
875 |
for (CertificateEntry entry : certEntries) {
|
|
876 |
entryListLen += entry.getEncodedSize();
|
|
877 |
}
|
|
878 |
|
|
879 |
hos.putBytes8(requestContext);
|
|
880 |
hos.putInt24(entryListLen);
|
|
881 |
for (CertificateEntry entry : certEntries) {
|
|
882 |
hos.putBytes24(entry.encoded);
|
|
883 |
// Is it an empty extensions?
|
|
884 |
if (entry.extensions.length() == 0) {
|
|
885 |
hos.putInt16(0);
|
|
886 |
} else {
|
|
887 |
entry.extensions.send(hos);
|
|
888 |
}
|
|
889 |
}
|
|
890 |
}
|
|
891 |
|
|
892 |
@Override
|
|
893 |
public String toString() {
|
|
894 |
MessageFormat messageFormat = new MessageFormat(
|
|
895 |
"\"Certificate\": '{'\n" +
|
|
896 |
" \"certificate_request_context\": \"{0}\",\n" +
|
|
897 |
" \"certificate_list\": [{1}\n]\n" +
|
|
898 |
"'}'",
|
|
899 |
Locale.ENGLISH);
|
|
900 |
|
|
901 |
StringBuilder builder = new StringBuilder(512);
|
|
902 |
for (CertificateEntry entry : certEntries) {
|
|
903 |
builder.append(entry.toString());
|
|
904 |
}
|
|
905 |
|
|
906 |
Object[] messageFields = {
|
|
907 |
Utilities.toHexString(requestContext),
|
|
908 |
Utilities.indent(builder.toString())
|
|
909 |
};
|
|
910 |
|
|
911 |
return messageFormat.format(messageFields);
|
|
912 |
}
|
|
913 |
}
|
|
914 |
|
|
915 |
/**
|
|
916 |
* The "Certificate" handshake message producer for TLS 1.3.
|
|
917 |
*/
|
|
918 |
private static final
|
|
919 |
class T13CertificateProducer implements HandshakeProducer {
|
|
920 |
// Prevent instantiation of this class.
|
|
921 |
private T13CertificateProducer() {
|
|
922 |
// blank
|
|
923 |
}
|
|
924 |
|
|
925 |
@Override
|
|
926 |
public byte[] produce(ConnectionContext context,
|
|
927 |
HandshakeMessage message) throws IOException {
|
|
928 |
// The producing happens in handshake context only.
|
|
929 |
HandshakeContext hc = (HandshakeContext)context;
|
|
930 |
if (hc.sslConfig.isClientMode) {
|
|
931 |
return onProduceCertificate(
|
|
932 |
(ClientHandshakeContext)context, message);
|
|
933 |
} else {
|
|
934 |
return onProduceCertificate(
|
|
935 |
(ServerHandshakeContext)context, message);
|
|
936 |
}
|
|
937 |
}
|
|
938 |
|
|
939 |
private byte[] onProduceCertificate(ServerHandshakeContext shc,
|
|
940 |
HandshakeMessage message) throws IOException {
|
|
941 |
ClientHelloMessage clientHello = (ClientHelloMessage)message;
|
|
942 |
|
|
943 |
SSLPossession pos = choosePossession(shc, clientHello);
|
|
944 |
if (pos == null) {
|
|
945 |
shc.conContext.fatal(Alert.HANDSHAKE_FAILURE,
|
|
946 |
"No available authentication scheme");
|
|
947 |
return null; // make the complier happy
|
|
948 |
}
|
|
949 |
|
|
950 |
if (!(pos instanceof X509Possession)) {
|
|
951 |
shc.conContext.fatal(Alert.HANDSHAKE_FAILURE,
|
|
952 |
"No X.509 certificate for server authentication");
|
|
953 |
}
|
|
954 |
|
|
955 |
X509Possession x509Possession = (X509Possession)pos;
|
|
956 |
X509Certificate[] localCerts = x509Possession.popCerts;
|
|
957 |
if (localCerts == null || localCerts.length == 0) {
|
|
958 |
shc.conContext.fatal(Alert.HANDSHAKE_FAILURE,
|
|
959 |
"No X.509 certificate for server authentication");
|
|
960 |
return null; // make the complier happy
|
|
961 |
}
|
|
962 |
|
|
963 |
// update the context
|
|
964 |
shc.handshakePossessions.add(x509Possession);
|
|
965 |
shc.handshakeSession.setLocalPrivateKey(
|
|
966 |
x509Possession.popPrivateKey);
|
|
967 |
shc.handshakeSession.setLocalCertificates(localCerts);
|
|
968 |
T13CertificateMessage cm;
|
|
969 |
try {
|
|
970 |
cm = new T13CertificateMessage(shc, (new byte[0]), localCerts);
|
|
971 |
} catch (SSLException | CertificateException ce) {
|
|
972 |
shc.conContext.fatal(Alert.HANDSHAKE_FAILURE,
|
|
973 |
"Failed to produce server Certificate message", ce);
|
|
974 |
return null; // make the complier happy
|
|
975 |
}
|
|
976 |
|
|
977 |
// Check the OCSP stapling extensions and attempt
|
|
978 |
// to get responses. If the resulting stapleParams is non
|
|
979 |
// null, it implies that stapling is enabled on the server side.
|
|
980 |
shc.stapleParams = StatusResponseManager.processStapling(shc);
|
|
981 |
shc.staplingActive = (shc.stapleParams != null);
|
|
982 |
|
|
983 |
// Process extensions for each CertificateEntry.
|
|
984 |
// Since there can be multiple CertificateEntries within a
|
|
985 |
// single CT message, we will pin a specific CertificateEntry
|
|
986 |
// into the ServerHandshakeContext so individual extension
|
|
987 |
// producers know which X509Certificate it is processing in
|
|
988 |
// each call.
|
|
989 |
SSLExtension[] enabledCTExts = shc.sslConfig.getEnabledExtensions(
|
|
990 |
SSLHandshake.CERTIFICATE,
|
|
991 |
Arrays.asList(ProtocolVersion.PROTOCOLS_OF_13));
|
|
992 |
for (CertificateEntry certEnt : cm.certEntries) {
|
|
993 |
shc.currentCertEntry = certEnt;
|
|
994 |
certEnt.extensions.produce(shc, enabledCTExts);
|
|
995 |
}
|
|
996 |
|
|
997 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
998 |
SSLLogger.fine("Produced server Certificate message", cm);
|
|
999 |
}
|
|
1000 |
|
|
1001 |
// Output the handshake message.
|
|
1002 |
cm.write(shc.handshakeOutput);
|
|
1003 |
shc.handshakeOutput.flush();
|
|
1004 |
|
|
1005 |
// The handshake message has been delivered.
|
|
1006 |
return null;
|
|
1007 |
}
|
|
1008 |
|
|
1009 |
private static SSLPossession choosePossession(
|
|
1010 |
HandshakeContext hc,
|
|
1011 |
ClientHelloMessage clientHello) throws IOException {
|
|
1012 |
if (hc.peerRequestedCertSignSchemes == null ||
|
|
1013 |
hc.peerRequestedCertSignSchemes.isEmpty()) {
|
|
1014 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1015 |
SSLLogger.warning(
|
|
1016 |
"No signature_algorithms(_cert) in ClientHello");
|
|
1017 |
}
|
|
1018 |
return null;
|
|
1019 |
}
|
|
1020 |
|
|
1021 |
Collection<String> checkedKeyTypes = new HashSet<>();
|
|
1022 |
for (SignatureScheme ss : hc.peerRequestedCertSignSchemes) {
|
|
1023 |
if (checkedKeyTypes.contains(ss.keyAlgorithm)) {
|
|
1024 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1025 |
SSLLogger.warning(
|
|
1026 |
"Unsupported authentication scheme: " + ss.name);
|
|
1027 |
}
|
|
1028 |
continue;
|
|
1029 |
}
|
|
1030 |
|
|
1031 |
// Don't select a signature scheme unless we will be able to
|
|
1032 |
// produce a CertificateVerify message later
|
|
1033 |
if (SignatureScheme.getPreferableAlgorithm(
|
|
1034 |
hc.peerRequestedSignatureSchemes,
|
|
1035 |
ss, hc.negotiatedProtocol) == null) {
|
|
1036 |
|
|
1037 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1038 |
SSLLogger.warning(
|
|
1039 |
"Unable to produce CertificateVerify for " +
|
|
1040 |
"signature scheme: " + ss.name);
|
|
1041 |
}
|
|
1042 |
checkedKeyTypes.add(ss.keyAlgorithm);
|
|
1043 |
continue;
|
|
1044 |
}
|
|
1045 |
|
|
1046 |
SSLAuthentication ka = X509Authentication.valueOf(ss);
|
|
1047 |
if (ka == null) {
|
|
1048 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1049 |
SSLLogger.warning(
|
|
1050 |
"Unsupported authentication scheme: " + ss.name);
|
|
1051 |
}
|
|
1052 |
checkedKeyTypes.add(ss.keyAlgorithm);
|
|
1053 |
continue;
|
|
1054 |
}
|
|
1055 |
|
|
1056 |
SSLPossession pos = ka.createPossession(hc);
|
|
1057 |
if (pos == null) {
|
|
1058 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1059 |
SSLLogger.warning(
|
|
1060 |
"Unavailable authentication scheme: " + ss.name);
|
|
1061 |
}
|
|
1062 |
continue;
|
|
1063 |
}
|
|
1064 |
|
|
1065 |
return pos;
|
|
1066 |
}
|
|
1067 |
|
|
1068 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1069 |
SSLLogger.warning("No available authentication scheme");
|
|
1070 |
}
|
|
1071 |
return null;
|
|
1072 |
}
|
|
1073 |
|
|
1074 |
private byte[] onProduceCertificate(ClientHandshakeContext chc,
|
|
1075 |
HandshakeMessage message) throws IOException {
|
|
1076 |
ClientHelloMessage clientHello = (ClientHelloMessage)message;
|
|
1077 |
SSLPossession pos = choosePossession(chc, clientHello);
|
|
1078 |
X509Certificate[] localCerts;
|
|
1079 |
if (pos == null) {
|
|
1080 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1081 |
SSLLogger.fine("No available client authentication scheme");
|
|
1082 |
}
|
|
1083 |
localCerts = new X509Certificate[0];
|
|
1084 |
} else {
|
|
1085 |
chc.handshakePossessions.add(pos);
|
|
1086 |
if (!(pos instanceof X509Possession)) {
|
|
1087 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1088 |
SSLLogger.fine(
|
|
1089 |
"No X.509 certificate for client authentication");
|
|
1090 |
}
|
|
1091 |
localCerts = new X509Certificate[0];
|
|
1092 |
} else {
|
|
1093 |
X509Possession x509Possession = (X509Possession)pos;
|
|
1094 |
localCerts = x509Possession.popCerts;
|
|
1095 |
chc.handshakeSession.setLocalPrivateKey(
|
|
1096 |
x509Possession.popPrivateKey);
|
|
1097 |
}
|
|
1098 |
}
|
|
1099 |
|
|
1100 |
if (localCerts != null && localCerts.length != 0) {
|
|
1101 |
chc.handshakeSession.setLocalCertificates(localCerts);
|
|
1102 |
} else {
|
|
1103 |
chc.handshakeSession.setLocalCertificates(null);
|
|
1104 |
}
|
|
1105 |
|
|
1106 |
T13CertificateMessage cm;
|
|
1107 |
try {
|
|
1108 |
cm = new T13CertificateMessage(
|
|
1109 |
chc, chc.certRequestContext, localCerts);
|
|
1110 |
} catch (SSLException | CertificateException ce) {
|
|
1111 |
chc.conContext.fatal(Alert.HANDSHAKE_FAILURE,
|
|
1112 |
"Failed to produce client Certificate message", ce);
|
|
1113 |
return null;
|
|
1114 |
}
|
|
1115 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1116 |
SSLLogger.fine("Produced client Certificate message", cm);
|
|
1117 |
}
|
|
1118 |
|
|
1119 |
// Output the handshake message.
|
|
1120 |
cm.write(chc.handshakeOutput);
|
|
1121 |
chc.handshakeOutput.flush();
|
|
1122 |
|
|
1123 |
// The handshake message has been delivered.
|
|
1124 |
return null;
|
|
1125 |
}
|
|
1126 |
}
|
|
1127 |
|
|
1128 |
/**
|
|
1129 |
* The "Certificate" handshake message consumer for TLS 1.3.
|
|
1130 |
*/
|
|
1131 |
private static final class T13CertificateConsumer implements SSLConsumer {
|
|
1132 |
// Prevent instantiation of this class.
|
|
1133 |
private T13CertificateConsumer() {
|
|
1134 |
// blank
|
|
1135 |
}
|
|
1136 |
|
|
1137 |
@Override
|
|
1138 |
public void consume(ConnectionContext context,
|
|
1139 |
ByteBuffer message) throws IOException {
|
|
1140 |
// The consuming happens in handshake context only.
|
|
1141 |
HandshakeContext hc = (HandshakeContext)context;
|
|
1142 |
|
|
1143 |
// clean up this consumer
|
|
1144 |
hc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE.id);
|
|
1145 |
T13CertificateMessage cm = new T13CertificateMessage(hc, message);
|
|
1146 |
if (hc.sslConfig.isClientMode) {
|
|
1147 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1148 |
SSLLogger.fine(
|
|
1149 |
"Consuming server Certificate handshake message", cm);
|
|
1150 |
}
|
|
1151 |
onConsumeCertificate((ClientHandshakeContext)context, cm);
|
|
1152 |
} else {
|
|
1153 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1154 |
SSLLogger.fine(
|
|
1155 |
"Consuming client Certificate handshake message", cm);
|
|
1156 |
}
|
|
1157 |
onConsumeCertificate((ServerHandshakeContext)context, cm);
|
|
1158 |
}
|
|
1159 |
}
|
|
1160 |
|
|
1161 |
private void onConsumeCertificate(ServerHandshakeContext shc,
|
|
1162 |
T13CertificateMessage certificateMessage )throws IOException {
|
|
1163 |
if (certificateMessage.certEntries == null ||
|
|
1164 |
certificateMessage.certEntries.isEmpty()) {
|
|
1165 |
if (shc.sslConfig.clientAuthType == CLIENT_AUTH_REQUIRED) {
|
|
1166 |
shc.conContext.fatal(Alert.BAD_CERTIFICATE,
|
|
1167 |
"Empty client certificate chain");
|
|
1168 |
} else {
|
|
1169 |
// optional client authentication
|
|
1170 |
return;
|
|
1171 |
}
|
|
1172 |
}
|
|
1173 |
|
|
1174 |
// check client certificate entries
|
|
1175 |
X509Certificate[] cliCerts =
|
|
1176 |
checkClientCerts(shc, certificateMessage.certEntries);
|
|
1177 |
|
|
1178 |
//
|
|
1179 |
// update
|
|
1180 |
//
|
|
1181 |
shc.handshakeCredentials.add(
|
|
1182 |
new X509Credentials(cliCerts[0].getPublicKey(), cliCerts));
|
|
1183 |
shc.handshakeSession.setPeerCertificates(cliCerts);
|
|
1184 |
}
|
|
1185 |
|
|
1186 |
private void onConsumeCertificate(ClientHandshakeContext chc,
|
|
1187 |
T13CertificateMessage certificateMessage )throws IOException {
|
|
1188 |
if (certificateMessage.certEntries == null ||
|
|
1189 |
certificateMessage.certEntries.isEmpty()) {
|
|
1190 |
chc.conContext.fatal(Alert.BAD_CERTIFICATE,
|
|
1191 |
"Empty server certificate chain");
|
|
1192 |
}
|
|
1193 |
|
|
1194 |
// Each CertificateEntry will have its own set of extensions
|
|
1195 |
// which must be consumed.
|
|
1196 |
SSLExtension[] enabledExtensions =
|
|
1197 |
chc.sslConfig.getEnabledExtensions(SSLHandshake.CERTIFICATE);
|
|
1198 |
for (CertificateEntry certEnt : certificateMessage.certEntries) {
|
|
1199 |
certEnt.extensions.consumeOnLoad(chc, enabledExtensions);
|
|
1200 |
}
|
|
1201 |
|
|
1202 |
// check server certificate entries
|
|
1203 |
X509Certificate[] srvCerts =
|
|
1204 |
checkServerCerts(chc, certificateMessage.certEntries);
|
|
1205 |
|
|
1206 |
//
|
|
1207 |
// update
|
|
1208 |
//
|
|
1209 |
chc.handshakeCredentials.add(
|
|
1210 |
new X509Credentials(srvCerts[0].getPublicKey(), srvCerts));
|
|
1211 |
chc.handshakeSession.setPeerCertificates(srvCerts);
|
|
1212 |
}
|
|
1213 |
|
|
1214 |
private static X509Certificate[] checkClientCerts(
|
|
1215 |
ServerHandshakeContext shc,
|
|
1216 |
List<CertificateEntry> certEntries) throws IOException {
|
|
1217 |
X509Certificate[] certs =
|
|
1218 |
new X509Certificate[certEntries.size()];
|
|
1219 |
try {
|
|
1220 |
CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
|
1221 |
int i = 0;
|
|
1222 |
for (CertificateEntry entry : certEntries) {
|
|
1223 |
certs[i++] = (X509Certificate)cf.generateCertificate(
|
|
1224 |
new ByteArrayInputStream(entry.encoded));
|
|
1225 |
}
|
|
1226 |
} catch (CertificateException ce) {
|
|
1227 |
shc.conContext.fatal(Alert.BAD_CERTIFICATE,
|
|
1228 |
"Failed to parse server certificates", ce);
|
|
1229 |
}
|
|
1230 |
|
|
1231 |
// find out the types of client authentication used
|
|
1232 |
String keyAlgorithm = certs[0].getPublicKey().getAlgorithm();
|
|
1233 |
String authType;
|
|
1234 |
switch (keyAlgorithm) {
|
|
1235 |
case "RSA":
|
|
1236 |
case "DSA":
|
|
1237 |
case "EC":
|
|
1238 |
case "RSASSA-PSS":
|
|
1239 |
authType = keyAlgorithm;
|
|
1240 |
break;
|
|
1241 |
default:
|
|
1242 |
// unknown public key type
|
|
1243 |
authType = "UNKNOWN";
|
|
1244 |
}
|
|
1245 |
|
|
1246 |
try {
|
|
1247 |
X509TrustManager tm = shc.sslContext.getX509TrustManager();
|
|
1248 |
if (tm instanceof X509ExtendedTrustManager) {
|
|
1249 |
if (shc.conContext.transport instanceof SSLEngine) {
|
|
1250 |
SSLEngine engine = (SSLEngine)shc.conContext.transport;
|
|
1251 |
((X509ExtendedTrustManager)tm).checkClientTrusted(
|
|
1252 |
certs.clone(),
|
|
1253 |
authType,
|
|
1254 |
engine);
|
|
1255 |
} else {
|
|
1256 |
SSLSocket socket = (SSLSocket)shc.conContext.transport;
|
|
1257 |
((X509ExtendedTrustManager)tm).checkClientTrusted(
|
|
1258 |
certs.clone(),
|
|
1259 |
authType,
|
|
1260 |
socket);
|
|
1261 |
}
|
|
1262 |
} else {
|
|
1263 |
// Unlikely to happen, because we have wrapped the old
|
|
1264 |
// X509TrustManager with the new X509ExtendedTrustManager.
|
|
1265 |
throw new CertificateException(
|
|
1266 |
"Improper X509TrustManager implementation");
|
|
1267 |
}
|
|
1268 |
|
|
1269 |
// Once the client certificate chain has been validated, set
|
|
1270 |
// the certificate chain in the TLS session.
|
|
1271 |
shc.handshakeSession.setPeerCertificates(certs);
|
|
1272 |
} catch (CertificateException ce) {
|
|
1273 |
shc.conContext.fatal(Alert.CERTIFICATE_UNKNOWN, ce);
|
|
1274 |
}
|
|
1275 |
|
|
1276 |
return certs;
|
|
1277 |
}
|
|
1278 |
|
|
1279 |
private static X509Certificate[] checkServerCerts(
|
|
1280 |
ClientHandshakeContext chc,
|
|
1281 |
List<CertificateEntry> certEntries) throws IOException {
|
|
1282 |
X509Certificate[] certs =
|
|
1283 |
new X509Certificate[certEntries.size()];
|
|
1284 |
try {
|
|
1285 |
CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
|
1286 |
int i = 0;
|
|
1287 |
for (CertificateEntry entry : certEntries) {
|
|
1288 |
certs[i++] = (X509Certificate)cf.generateCertificate(
|
|
1289 |
new ByteArrayInputStream(entry.encoded));
|
|
1290 |
}
|
|
1291 |
} catch (CertificateException ce) {
|
|
1292 |
chc.conContext.fatal(Alert.BAD_CERTIFICATE,
|
|
1293 |
"Failed to parse server certificates", ce);
|
|
1294 |
}
|
|
1295 |
|
|
1296 |
// find out the types of server authentication used
|
|
1297 |
//
|
|
1298 |
// Note that the "UNKNOWN" authentication type is sufficient to
|
|
1299 |
// check the required digitalSignature KeyUsage for TLS 1.3.
|
|
1300 |
String authType = "UNKNOWN";
|
|
1301 |
|
|
1302 |
try {
|
|
1303 |
X509TrustManager tm = chc.sslContext.getX509TrustManager();
|
|
1304 |
if (tm instanceof X509ExtendedTrustManager) {
|
|
1305 |
if (chc.conContext.transport instanceof SSLEngine) {
|
|
1306 |
SSLEngine engine = (SSLEngine)chc.conContext.transport;
|
|
1307 |
((X509ExtendedTrustManager)tm).checkServerTrusted(
|
|
1308 |
certs.clone(),
|
|
1309 |
authType,
|
|
1310 |
engine);
|
|
1311 |
} else {
|
|
1312 |
SSLSocket socket = (SSLSocket)chc.conContext.transport;
|
|
1313 |
((X509ExtendedTrustManager)tm).checkServerTrusted(
|
|
1314 |
certs.clone(),
|
|
1315 |
authType,
|
|
1316 |
socket);
|
|
1317 |
}
|
|
1318 |
} else {
|
|
1319 |
// Unlikely to happen, because we have wrapped the old
|
|
1320 |
// X509TrustManager with the new X509ExtendedTrustManager.
|
|
1321 |
throw new CertificateException(
|
|
1322 |
"Improper X509TrustManager implementation");
|
|
1323 |
}
|
|
1324 |
|
|
1325 |
// Once the server certificate chain has been validated, set
|
|
1326 |
// the certificate chain in the TLS session.
|
|
1327 |
chc.handshakeSession.setPeerCertificates(certs);
|
|
1328 |
} catch (CertificateException ce) {
|
|
1329 |
chc.conContext.fatal(getCertificateAlert(chc, ce), ce);
|
|
1330 |
}
|
|
1331 |
|
|
1332 |
return certs;
|
|
1333 |
}
|
|
1334 |
|
|
1335 |
/**
|
|
1336 |
* When a failure happens during certificate checking from an
|
|
1337 |
* {@link X509TrustManager}, determine what TLS alert description
|
|
1338 |
* to use.
|
|
1339 |
*
|
|
1340 |
* @param cexc The exception thrown by the {@link X509TrustManager}
|
|
1341 |
*
|
|
1342 |
* @return A byte value corresponding to a TLS alert description number.
|
|
1343 |
*/
|
|
1344 |
private static Alert getCertificateAlert(
|
|
1345 |
ClientHandshakeContext chc, CertificateException cexc) {
|
|
1346 |
// The specific reason for the failure will determine how to
|
|
1347 |
// set the alert description value
|
|
1348 |
Alert alert = Alert.CERTIFICATE_UNKNOWN;
|
|
1349 |
|
|
1350 |
Throwable baseCause = cexc.getCause();
|
|
1351 |
if (baseCause instanceof CertPathValidatorException) {
|
|
1352 |
CertPathValidatorException cpve =
|
|
1353 |
(CertPathValidatorException)baseCause;
|
|
1354 |
Reason reason = cpve.getReason();
|
|
1355 |
if (reason == BasicReason.REVOKED) {
|
|
1356 |
alert = chc.staplingActive ?
|
|
1357 |
Alert.BAD_CERT_STATUS_RESPONSE :
|
|
1358 |
Alert.CERTIFICATE_REVOKED;
|
|
1359 |
} else if (
|
|
1360 |
reason == BasicReason.UNDETERMINED_REVOCATION_STATUS) {
|
|
1361 |
alert = chc.staplingActive ?
|
|
1362 |
Alert.BAD_CERT_STATUS_RESPONSE :
|
|
1363 |
Alert.CERTIFICATE_UNKNOWN;
|
|
1364 |
}
|
|
1365 |
}
|
|
1366 |
|
|
1367 |
return alert;
|
|
1368 |
}
|
|
1369 |
}
|
|
1370 |
}
|