--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/ssl/CertificateRequest.java Fri May 11 15:53:12 2018 -0700
@@ -0,0 +1,890 @@
+/*
+ * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.ssl;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.security.PrivateKey;
+import java.security.cert.X509Certificate;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import javax.net.ssl.SSLEngine;
+import javax.net.ssl.SSLSocket;
+import javax.net.ssl.X509ExtendedKeyManager;
+import javax.security.auth.x500.X500Principal;
+import sun.security.ssl.CipherSuite.KeyExchange;
+import sun.security.ssl.SSLHandshake.HandshakeMessage;
+import sun.security.ssl.X509Authentication.X509Possession;
+
+/**
+ * Pack of the CertificateRequest handshake message.
+ */
+final class CertificateRequest {
+ static final SSLConsumer t10HandshakeConsumer =
+ new T10CertificateRequestConsumer();
+ static final HandshakeProducer t10HandshakeProducer =
+ new T10CertificateRequestProducer();
+
+ static final SSLConsumer t12HandshakeConsumer =
+ new T12CertificateRequestConsumer();
+ static final HandshakeProducer t12HandshakeProducer =
+ new T12CertificateRequestProducer();
+
+ static final SSLConsumer t13HandshakeConsumer =
+ new T13CertificateRequestConsumer();
+ static final HandshakeProducer t13HandshakeProducer =
+ new T13CertificateRequestProducer();
+
+ // TLS 1.2 and prior versions
+ private static enum ClientCertificateType {
+ // RFC 2246
+ RSA_SIGN ((byte)0x01, "rsa_sign", "RSA", true),
+ DSS_SIGN ((byte)0x02, "dss_sign", "DSA", true),
+ RSA_FIXED_DH ((byte)0x03, "rsa__fixed_dh"),
+ DSS_FIXED_DH ((byte)0x04, "dss_fixed_dh"),
+
+ // RFC 4346
+ RSA_EPHEMERAL_DH ((byte)0x05, "rsa_ephemeral_dh"),
+ DSS_EPHEMERAL_DH ((byte)0x06, "dss_ephemeral_dh"),
+ FORTEZZA_DMS ((byte)0x14, "fortezza_dms"),
+
+ // RFC 4492
+ ECDSA_SIGN ((byte)0x40, "ecdsa_sign",
+ "EC", JsseJce.isEcAvailable()),
+ RSA_FIXED_ECDH ((byte)0x41, "rsa_fixed_ecdh"),
+ ECDSA_FIXED_ECDH ((byte)0x42, "ecdsa_fixed_ecdh");
+
+ private static final byte[] CERT_TYPES =
+ JsseJce.isEcAvailable() ? new byte[] {
+ RSA_SIGN.id,
+ DSS_SIGN.id
+ } : new byte[] {
+ ECDSA_SIGN.id,
+ RSA_SIGN.id,
+ DSS_SIGN.id
+ };
+
+ final byte id;
+ final String name;
+ final String keyAlgorithm;
+ final boolean isAvailable;
+
+ private ClientCertificateType(byte id, String name) {
+ this(id, name, null, false);
+ }
+
+ private ClientCertificateType(byte id, String name,
+ String keyAlgorithm, boolean isAvailable) {
+ this.id = id;
+ this.name = name;
+ this.keyAlgorithm = keyAlgorithm;
+ this.isAvailable = isAvailable;
+ }
+
+ private static String nameOf(byte id) {
+ for (ClientCertificateType cct : ClientCertificateType.values()) {
+ if (cct.id == id) {
+ return cct.name;
+ }
+ }
+ return "UNDEFINED-CLIENT-CERTIFICATE-TYPE(" + (int)id + ")";
+ }
+
+ private static ClientCertificateType valueOf(byte id) {
+ for (ClientCertificateType cct : ClientCertificateType.values()) {
+ if (cct.id == id) {
+ return cct;
+ }
+ }
+
+ return null;
+ }
+
+ private static String[] getKeyTypes(byte[] ids) {
+ ArrayList<String> keyTypes = new ArrayList<>(3);
+ for (byte id : ids) {
+ ClientCertificateType cct = ClientCertificateType.valueOf(id);
+ if (cct.isAvailable) {
+ keyTypes.add(cct.keyAlgorithm);
+ }
+ }
+
+ return keyTypes.toArray(new String[0]);
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message for SSL 3.0 and TLS 1.0/1.1.
+ */
+ static final class T10CertificateRequestMessage extends HandshakeMessage {
+ final byte[] types; // certificate types
+ final List<byte[]> authorities; // certificate authorities
+
+ T10CertificateRequestMessage(HandshakeContext handshakeContext,
+ X509Certificate[] trustedCerts, KeyExchange keyExchange) {
+ super(handshakeContext);
+
+ this.authorities = new ArrayList<>(trustedCerts.length);
+ for (X509Certificate cert : trustedCerts) {
+ X500Principal x500Principal = cert.getSubjectX500Principal();
+ authorities.add(x500Principal.getEncoded());
+ }
+
+ this.types = ClientCertificateType.CERT_TYPES;
+ }
+
+ T10CertificateRequestMessage(HandshakeContext handshakeContext,
+ ByteBuffer m) throws IOException {
+ super(handshakeContext);
+
+ // struct {
+ // ClientCertificateType certificate_types<1..2^8-1>;
+ // DistinguishedName certificate_authorities<0..2^16-1>;
+ // } CertificateRequest;
+ if (m.remaining() < 4) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Incorrect CertificateRequest message: no sufficient data");
+ }
+ this.types = Record.getBytes8(m);
+
+ int listLen = Record.getInt16(m);
+ if (listLen > m.remaining()) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Incorrect CertificateRequest message:no sufficient data");
+ }
+
+ if (listLen > 0) {
+ this.authorities = new LinkedList<>();
+ while (listLen > 0) {
+ // opaque DistinguishedName<1..2^16-1>;
+ byte[] encoded = Record.getBytes16(m);
+ listLen -= (2 + encoded.length);
+ authorities.add(encoded);
+ }
+ } else {
+ this.authorities = Collections.emptyList();
+ }
+ }
+
+ String[] getKeyTypes() {
+ return ClientCertificateType.getKeyTypes(types);
+ }
+
+ X500Principal[] getAuthorities() {
+ List<X500Principal> principals =
+ new ArrayList<>(authorities.size());
+ for (byte[] encoded : authorities) {
+ X500Principal principal = new X500Principal(encoded);
+ principals.add(principal);
+ }
+
+ return principals.toArray(new X500Principal[0]);
+ }
+
+ @Override
+ public SSLHandshake handshakeType() {
+ return SSLHandshake.CERTIFICATE_REQUEST;
+ }
+
+ @Override
+ public int messageLength() {
+ int len = 1 + types.length + 2;
+ for (byte[] encoded : authorities) {
+ len += encoded.length + 2;
+ }
+ return len;
+ }
+
+ @Override
+ public void send(HandshakeOutStream hos) throws IOException {
+ hos.putBytes8(types);
+
+ int listLen = 0;
+ for (byte[] encoded : authorities) {
+ listLen += encoded.length + 2;
+ }
+
+ hos.putInt16(listLen);
+ for (byte[] encoded : authorities) {
+ hos.putBytes16(encoded);
+ }
+ }
+
+ @Override
+ public String toString() {
+ MessageFormat messageFormat = new MessageFormat(
+ "\"CertificateRequest\": '{'\n" +
+ " \"certificate types\": {0}\n" +
+ " \"certificate authorities\": {1}\n" +
+ "'}'",
+ Locale.ENGLISH);
+
+ List<String> typeNames = new ArrayList<>(types.length);
+ for (byte type : types) {
+ typeNames.add(ClientCertificateType.nameOf(type));
+ }
+
+ List<String> authorityNames = new ArrayList<>(authorities.size());
+ for (byte[] encoded : authorities) {
+ X500Principal principal = new X500Principal(encoded);
+ authorityNames.add(principal.toString());
+ }
+ Object[] messageFields = {
+ typeNames,
+ authorityNames
+ };
+
+ return messageFormat.format(messageFields);
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message producer for SSL 3.0 and
+ * TLS 1.0/1.1.
+ */
+ private static final
+ class T10CertificateRequestProducer implements HandshakeProducer {
+ // Prevent instantiation of this class.
+ private T10CertificateRequestProducer() {
+ // blank
+ }
+
+ @Override
+ public byte[] produce(ConnectionContext context,
+ HandshakeMessage message) throws IOException {
+ // The producing happens in server side only.
+ ServerHandshakeContext shc = (ServerHandshakeContext)context;
+
+ X509Certificate[] caCerts =
+ shc.sslContext.getX509TrustManager().getAcceptedIssuers();
+ T10CertificateRequestMessage crm = new T10CertificateRequestMessage(
+ shc, caCerts, shc.negotiatedCipherSuite.keyExchange);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Produced CertificateRequest handshake message", crm);
+ }
+
+ // Output the handshake message.
+ crm.write(shc.handshakeOutput);
+ shc.handshakeOutput.flush();
+
+ //
+ // update
+ //
+ shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE.id,
+ SSLHandshake.CERTIFICATE);
+ shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE_VERIFY.id,
+ SSLHandshake.CERTIFICATE_VERIFY);
+
+ // The handshake message has been delivered.
+ return null;
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message consumer for SSL 3.0 and
+ * TLS 1.0/1.1.
+ */
+ private static final
+ class T10CertificateRequestConsumer implements SSLConsumer {
+ // Prevent instantiation of this class.
+ private T10CertificateRequestConsumer() {
+ // blank
+ }
+
+ @Override
+ public void consume(ConnectionContext context,
+ ByteBuffer message) throws IOException {
+ // The consuming happens in client side only.
+ ClientHandshakeContext chc = (ClientHandshakeContext)context;
+
+ // clean up this consumer
+ chc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE_REQUEST.id);
+
+ T10CertificateRequestMessage crm =
+ new T10CertificateRequestMessage(chc, message);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Consuming CertificateRequest handshake message", crm);
+ }
+
+ //
+ // validate
+ //
+ // blank
+
+ //
+ // update
+ //
+
+ // An empty client Certificate handshake message may be allow.
+ chc.handshakeProducers.put(SSLHandshake.CERTIFICATE.id,
+ SSLHandshake.CERTIFICATE);
+
+ X509ExtendedKeyManager km = chc.sslContext.getX509KeyManager();
+ String clientAlias = null;
+ if (chc.conContext.transport instanceof SSLSocketImpl) {
+ clientAlias = km.chooseClientAlias(crm.getKeyTypes(),
+ crm.getAuthorities(), (SSLSocket)chc.conContext.transport);
+ } else if (chc.conContext.transport instanceof SSLEngineImpl) {
+ clientAlias = km.chooseEngineClientAlias(crm.getKeyTypes(),
+ crm.getAuthorities(), (SSLEngine)chc.conContext.transport);
+ }
+
+
+ if (clientAlias == null) {
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.warning("No available client authentication");
+ }
+ return;
+ }
+
+ PrivateKey clientPrivateKey = km.getPrivateKey(clientAlias);
+ if (clientPrivateKey == null) {
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.warning("No available client private key");
+ }
+ return;
+ }
+
+ X509Certificate[] clientCerts = km.getCertificateChain(clientAlias);
+ if ((clientCerts == null) || (clientCerts.length == 0)) {
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.warning("No available client certificate");
+ }
+ return;
+ }
+
+ chc.handshakePossessions.add(
+ new X509Possession(clientPrivateKey, clientCerts));
+ chc.handshakeProducers.put(SSLHandshake.CERTIFICATE_VERIFY.id,
+ SSLHandshake.CERTIFICATE_VERIFY);
+ }
+ }
+
+ /**
+ * The CertificateRequest handshake message for TLS 1.2.
+ */
+ static final class T12CertificateRequestMessage extends HandshakeMessage {
+ final byte[] types; // certificate types
+ final int[] algorithmIds; // supported signature algorithms
+ final List<byte[]> authorities; // certificate authorities
+
+ T12CertificateRequestMessage(HandshakeContext handshakeContext,
+ X509Certificate[] trustedCerts, KeyExchange keyExchange,
+ List<SignatureScheme> signatureSchemes) throws IOException {
+ super(handshakeContext);
+
+ this.types = ClientCertificateType.CERT_TYPES;
+
+ if (signatureSchemes == null || signatureSchemes.isEmpty()) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "No signature algorithms specified for " +
+ "CertificateRequest hanshake message");
+ }
+ this.algorithmIds = new int[signatureSchemes.size()];
+ int i = 0;
+ for (SignatureScheme scheme : signatureSchemes) {
+ algorithmIds[i++] = scheme.id;
+ }
+
+ this.authorities = new ArrayList<>(trustedCerts.length);
+ for (X509Certificate cert : trustedCerts) {
+ X500Principal x500Principal = cert.getSubjectX500Principal();
+ authorities.add(x500Principal.getEncoded());
+ }
+ }
+
+ T12CertificateRequestMessage(HandshakeContext handshakeContext,
+ ByteBuffer m) throws IOException {
+ super(handshakeContext);
+
+ // struct {
+ // ClientCertificateType certificate_types<1..2^8-1>;
+ // SignatureAndHashAlgorithm
+ // supported_signature_algorithms<2..2^16-2>;
+ // DistinguishedName certificate_authorities<0..2^16-1>;
+ // } CertificateRequest;
+
+ // certificate_authorities
+ if (m.remaining() < 8) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest handshake message: " +
+ "no sufficient data");
+ }
+ this.types = Record.getBytes8(m);
+
+ // supported_signature_algorithms
+ if (m.remaining() < 6) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest handshake message: " +
+ "no sufficient data");
+ }
+
+ byte[] algs = Record.getBytes16(m);
+ if (algs == null || algs.length == 0 || (algs.length & 0x01) != 0) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest handshake message: " +
+ "incomplete signature algorithms");
+ }
+
+ this.algorithmIds = new int[(algs.length >> 1)];
+ for (int i = 0, j = 0; i < algs.length;) {
+ byte hash = algs[i++];
+ byte sign = algs[i++];
+ algorithmIds[j++] = ((hash & 0xFF) << 8) | (sign & 0xFF);
+ }
+
+ // certificate_authorities
+ if (m.remaining() < 2) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest handshake message: " +
+ "no sufficient data");
+ }
+
+ int listLen = Record.getInt16(m);
+ if (listLen > m.remaining()) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest message: no sufficient data");
+ }
+
+ if (listLen > 0) {
+ this.authorities = new LinkedList<>();
+ while (listLen > 0) {
+ // opaque DistinguishedName<1..2^16-1>;
+ byte[] encoded = Record.getBytes16(m);
+ listLen -= (2 + encoded.length);
+ authorities.add(encoded);
+ }
+ } else {
+ this.authorities = Collections.emptyList();
+ }
+ }
+
+ String[] getKeyTypes() {
+ return ClientCertificateType.getKeyTypes(types);
+ }
+
+ X500Principal[] getAuthorities() {
+ List<X500Principal> principals =
+ new ArrayList<>(authorities.size());
+ for (byte[] encoded : authorities) {
+ X500Principal principal = new X500Principal(encoded);
+ principals.add(principal);
+ }
+
+ return principals.toArray(new X500Principal[0]);
+ }
+
+ @Override
+ public SSLHandshake handshakeType() {
+ return SSLHandshake.CERTIFICATE_REQUEST;
+ }
+
+ @Override
+ public int messageLength() {
+ int len = 1 + types.length + 2 + (algorithmIds.length << 1) + 2;
+ for (byte[] encoded : authorities) {
+ len += encoded.length + 2;
+ }
+ return len;
+ }
+
+ @Override
+ public void send(HandshakeOutStream hos) throws IOException {
+ hos.putBytes8(types);
+
+ int listLen = 0;
+ for (byte[] encoded : authorities) {
+ listLen += encoded.length + 2;
+ }
+
+ hos.putInt16(algorithmIds.length << 1);
+ for (int algorithmId : algorithmIds) {
+ hos.putInt16(algorithmId);
+ }
+
+ hos.putInt16(listLen);
+ for (byte[] encoded : authorities) {
+ hos.putBytes16(encoded);
+ }
+ }
+
+ @Override
+ public String toString() {
+ MessageFormat messageFormat = new MessageFormat(
+ "\"CertificateRequest\": '{'\n" +
+ " \"certificate types\": {0}\n" +
+ " \"supported signature algorithms\": {1}\n" +
+ " \"certificate authorities\": {2}\n" +
+ "'}'",
+ Locale.ENGLISH);
+
+ List<String> typeNames = new ArrayList<>(types.length);
+ for (byte type : types) {
+ typeNames.add(ClientCertificateType.nameOf(type));
+ }
+
+ List<String> algorithmNames = new ArrayList<>(algorithmIds.length);
+ for (int algorithmId : algorithmIds) {
+ algorithmNames.add(SignatureScheme.nameOf(algorithmId));
+ }
+
+ List<String> authorityNames = new ArrayList<>(authorities.size());
+ for (byte[] encoded : authorities) {
+ X500Principal principal = new X500Principal(encoded);
+ authorityNames.add(principal.toString());
+ }
+ Object[] messageFields = {
+ typeNames,
+ algorithmNames,
+ authorityNames
+ };
+
+ return messageFormat.format(messageFields);
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message producer for TLS 1.2.
+ */
+ private static final
+ class T12CertificateRequestProducer implements HandshakeProducer {
+ // Prevent instantiation of this class.
+ private T12CertificateRequestProducer() {
+ // blank
+ }
+
+ @Override
+ public byte[] produce(ConnectionContext context,
+ HandshakeMessage message) throws IOException {
+ // The producing happens in server side only.
+ ServerHandshakeContext shc = (ServerHandshakeContext)context;
+ if (shc.localSupportedSignAlgs == null) {
+ shc.localSupportedSignAlgs =
+ SignatureScheme.getSupportedAlgorithms(
+ shc.algorithmConstraints, shc.activeProtocols);
+ }
+
+ if (shc.localSupportedSignAlgs == null ||
+ shc.localSupportedSignAlgs.isEmpty()) {
+ shc.conContext.fatal(Alert.HANDSHAKE_FAILURE,
+ "No supported signature algorithm");
+ }
+
+ X509Certificate[] caCerts =
+ shc.sslContext.getX509TrustManager().getAcceptedIssuers();
+ T12CertificateRequestMessage crm = new T12CertificateRequestMessage(
+ shc, caCerts, shc.negotiatedCipherSuite.keyExchange,
+ shc.localSupportedSignAlgs);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Produced CertificateRequest handshake message", crm);
+ }
+
+ // Output the handshake message.
+ crm.write(shc.handshakeOutput);
+ shc.handshakeOutput.flush();
+
+ //
+ // update
+ //
+ shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE.id,
+ SSLHandshake.CERTIFICATE);
+ shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE_VERIFY.id,
+ SSLHandshake.CERTIFICATE_VERIFY);
+
+ // The handshake message has been delivered.
+ return null;
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message consumer for TLS 1.2.
+ */
+ private static final
+ class T12CertificateRequestConsumer implements SSLConsumer {
+ // Prevent instantiation of this class.
+ private T12CertificateRequestConsumer() {
+ // blank
+ }
+
+ @Override
+ public void consume(ConnectionContext context,
+ ByteBuffer message) throws IOException {
+ // The consuming happens in client side only.
+ ClientHandshakeContext chc = (ClientHandshakeContext)context;
+
+ // clean up this consumer
+ chc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE_REQUEST.id);
+
+ T12CertificateRequestMessage crm =
+ new T12CertificateRequestMessage(chc, message);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Consuming CertificateRequest handshake message", crm);
+ }
+
+ //
+ // validate
+ //
+ // blank
+
+ //
+ // update
+ //
+
+ // An empty client Certificate handshake message may be allow.
+ chc.handshakeProducers.put(SSLHandshake.CERTIFICATE.id,
+ SSLHandshake.CERTIFICATE);
+
+ List<SignatureScheme> sss = new LinkedList<>();
+ for (int id : crm.algorithmIds) {
+ SignatureScheme ss = SignatureScheme.valueOf(id);
+ if (ss != null) {
+ sss.add(ss);
+ }
+ }
+ chc.peerRequestedSignatureSchemes = sss;
+ chc.handshakeSession.setPeerSupportedSignatureAlgorithms(sss);
+
+ X509ExtendedKeyManager km = chc.sslContext.getX509KeyManager();
+ String clientAlias = null;
+ if (chc.conContext.transport instanceof SSLSocketImpl) {
+ clientAlias = km.chooseClientAlias(crm.getKeyTypes(),
+ crm.getAuthorities(), (SSLSocket)chc.conContext.transport);
+ } else if (chc.conContext.transport instanceof SSLEngineImpl) {
+ clientAlias = km.chooseEngineClientAlias(crm.getKeyTypes(),
+ crm.getAuthorities(), (SSLEngine)chc.conContext.transport);
+ }
+
+ if (clientAlias == null) {
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.warning("No available client authentication");
+ }
+ return;
+ }
+
+ PrivateKey clientPrivateKey = km.getPrivateKey(clientAlias);
+ if (clientPrivateKey == null) {
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.warning("No available client private key");
+ }
+ return;
+ }
+
+ X509Certificate[] clientCerts = km.getCertificateChain(clientAlias);
+ if ((clientCerts == null) || (clientCerts.length == 0)) {
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.warning("No available client certificate");
+ }
+ return;
+ }
+
+ chc.handshakePossessions.add(
+ new X509Possession(clientPrivateKey, clientCerts));
+ chc.handshakeProducers.put(SSLHandshake.CERTIFICATE_VERIFY.id,
+ SSLHandshake.CERTIFICATE_VERIFY);
+ }
+ }
+
+ /**
+ * The CertificateRequest handshake message for TLS 1.3.
+ */
+ static final class T13CertificateRequestMessage extends HandshakeMessage {
+ private final byte[] requestContext;
+ private final SSLExtensions extensions;
+
+ T13CertificateRequestMessage(
+ HandshakeContext handshakeContext) throws IOException {
+ super(handshakeContext);
+
+ // TODO: post-handshake authentication exchanges
+ this.requestContext = new byte[0];
+ this.extensions = new SSLExtensions(this);
+ }
+
+ T13CertificateRequestMessage(HandshakeContext handshakeContext,
+ ByteBuffer m) throws IOException {
+ super(handshakeContext);
+
+ // struct {
+ // opaque certificate_request_context<0..2^8-1>;
+ // Extension extensions<2..2^16-1>;
+ // } CertificateRequest;
+ if (m.remaining() < 5) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest handshake message: " +
+ "no sufficient data");
+ }
+ this.requestContext = Record.getBytes8(m);
+
+ if (m.remaining() < 4) {
+ handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+ "Invalid CertificateRequest handshake message: " +
+ "no sufficient extensions data");
+ }
+ SSLExtension[] enabledExtensions =
+ handshakeContext.sslConfig.getEnabledExtensions(
+ SSLHandshake.CERTIFICATE_REQUEST);
+ this.extensions = new SSLExtensions(this, m, enabledExtensions);
+ }
+
+ @Override
+ SSLHandshake handshakeType() {
+ return SSLHandshake.CERTIFICATE_REQUEST;
+ }
+
+ @Override
+ int messageLength() {
+ // In TLS 1.3, use of certain extensions is mandatory.
+ return 1 + requestContext.length + extensions.length();
+ }
+
+ @Override
+ void send(HandshakeOutStream hos) throws IOException {
+ hos.putBytes8(requestContext);
+
+ // In TLS 1.3, use of certain extensions is mandatory.
+ extensions.send(hos);
+ }
+
+ @Override
+ public String toString() {
+ MessageFormat messageFormat = new MessageFormat(
+ "\"CertificateRequest\": '{'\n" +
+ " \"certificate_request_context\": \"{0}\",\n" +
+ " \"extensions\": [\n" +
+ "{1}\n" +
+ " ]\n" +
+ "'}'",
+ Locale.ENGLISH);
+ Object[] messageFields = {
+ Utilities.toHexString(requestContext),
+ Utilities.indent(Utilities.indent(extensions.toString()))
+ };
+
+ return messageFormat.format(messageFields);
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message producer for TLS 1.3.
+ */
+ private static final
+ class T13CertificateRequestProducer implements HandshakeProducer {
+ // Prevent instantiation of this class.
+ private T13CertificateRequestProducer() {
+ // blank
+ }
+
+ @Override
+ public byte[] produce(ConnectionContext context,
+ HandshakeMessage message) throws IOException {
+ // The producing happens in server side only.
+ ServerHandshakeContext shc = (ServerHandshakeContext)context;
+
+ T13CertificateRequestMessage crm =
+ new T13CertificateRequestMessage(shc);
+ // Produce extensions for CertificateRequest handshake message.
+ SSLExtension[] extTypes = shc.sslConfig.getEnabledExtensions(
+ SSLHandshake.CERTIFICATE_REQUEST, shc.negotiatedProtocol);
+ crm.extensions.produce(shc, extTypes);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine("Produced CertificateRequest message", crm);
+ }
+
+ // Output the handshake message.
+ crm.write(shc.handshakeOutput);
+ shc.handshakeOutput.flush();
+
+ //
+ // update
+ //
+ shc.certRequestContext = crm.requestContext.clone();
+ shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE.id,
+ SSLHandshake.CERTIFICATE);
+ shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE_VERIFY.id,
+ SSLHandshake.CERTIFICATE_VERIFY);
+
+ // The handshake message has been delivered.
+ return null;
+ }
+ }
+
+ /**
+ * The "CertificateRequest" handshake message consumer for TLS 1.3.
+ */
+ private static final
+ class T13CertificateRequestConsumer implements SSLConsumer {
+ // Prevent instantiation of this class.
+ private T13CertificateRequestConsumer() {
+ // blank
+ }
+
+ @Override
+ public void consume(ConnectionContext context,
+ ByteBuffer message) throws IOException {
+ // The consuming happens in client side only.
+ ClientHandshakeContext chc = (ClientHandshakeContext)context;
+
+ // clean up this consumer
+ chc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE_REQUEST.id);
+
+ T13CertificateRequestMessage crm =
+ new T13CertificateRequestMessage(chc, message);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Consuming CertificateRequest handshake message", crm);
+ }
+
+ //
+ // validate
+ //
+ SSLExtension[] extTypes = chc.sslConfig.getEnabledExtensions(
+ SSLHandshake.CERTIFICATE_REQUEST);
+ crm.extensions.consumeOnLoad(chc, extTypes);
+
+ //
+ // update
+ //
+ crm.extensions.consumeOnTrade(chc, extTypes);
+
+ //
+ // produce
+ //
+ chc.certRequestContext = crm.requestContext.clone();
+ chc.handshakeProducers.put(SSLHandshake.CERTIFICATE.id,
+ SSLHandshake.CERTIFICATE);
+ chc.handshakeProducers.put(SSLHandshake.CERTIFICATE_VERIFY.id,
+ SSLHandshake.CERTIFICATE_VERIFY);
+ }
+ }
+}