--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/ssl/CertificateStatus.java Mon Jun 25 13:41:39 2018 -0700
@@ -0,0 +1,362 @@
+/*
+ * 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.text.MessageFormat;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Locale;
+import javax.net.ssl.SSLHandshakeException;
+import java.security.cert.X509Certificate;
+import sun.security.provider.certpath.OCSPResponse;
+import sun.security.ssl.SSLHandshake.HandshakeMessage;
+import static sun.security.ssl.CertStatusExtension.*;
+import static sun.security.ssl.CertificateMessage.*;
+
+/**
+ * Consumers and producers for the CertificateStatus handshake message.
+ * This message takes one of two related but slightly different forms,
+ * depending on the type of stapling selected by the server. The message
+ * data will be of the form(s):
+ *
+ * [status_request, RFC 6066]
+ *
+ * struct {
+ * CertificateStatusType status_type;
+ * select (status_type) {
+ * case ocsp: OCSPResponse;
+ * } response;
+ * } CertificateStatus;
+ *
+ * opaque OCSPResponse<1..2^24-1>;
+ *
+ * [status_request_v2, RFC 6961]
+ *
+ * struct {
+ * CertificateStatusType status_type;
+ * select (status_type) {
+ * case ocsp: OCSPResponse;
+ * case ocsp_multi: OCSPResponseList;
+ * } response;
+ * } CertificateStatus;
+ *
+ * opaque OCSPResponse<0..2^24-1>;
+ *
+ * struct {
+ * OCSPResponse ocsp_response_list<1..2^24-1>;
+ * } OCSPResponseList;
+ */
+final class CertificateStatus {
+ static final SSLConsumer handshakeConsumer =
+ new CertificateStatusConsumer();
+ static final HandshakeProducer handshakeProducer =
+ new CertificateStatusProducer();
+ static final HandshakeAbsence handshakeAbsence =
+ new CertificateStatusAbsence();
+
+ /**
+ * The CertificateStatus handshake message.
+ */
+ static final class CertificateStatusMessage extends HandshakeMessage {
+
+ final CertStatusRequestType statusType;
+ int encodedResponsesLen = 0;
+ int messageLength = -1;
+ final List<byte[]> encodedResponses = new ArrayList<>();
+
+ CertificateStatusMessage(HandshakeContext handshakeContext) {
+ super(handshakeContext);
+
+ ServerHandshakeContext shc =
+ (ServerHandshakeContext)handshakeContext;
+
+ // Get the Certificates from the SSLContextImpl amd the Stapling
+ // parameters
+ StatusResponseManager.StaplingParameters stapleParams =
+ shc.stapleParams;
+ if (stapleParams == null) {
+ throw new IllegalArgumentException(
+ "Unexpected null stapling parameters");
+ }
+
+ X509Certificate[] certChain =
+ (X509Certificate[])shc.handshakeSession.getLocalCertificates();
+ if (certChain == null) {
+ throw new IllegalArgumentException(
+ "Unexpected null certificate chain");
+ }
+
+ // Walk the certificate list and add the correct encoded responses
+ // to the encoded responses list
+ statusType = stapleParams.statReqType;
+ if (statusType == CertStatusRequestType.OCSP) {
+ // Just worry about the first cert in the chain
+ byte[] resp = stapleParams.responseMap.get(certChain[0]);
+ if (resp == null) {
+ // A not-found return status means we should include
+ // a zero-length response in CertificateStatus.
+ // This is highly unlikely to happen in practice.
+ resp = new byte[0];
+ }
+ encodedResponses.add(resp);
+ encodedResponsesLen += resp.length + 3;
+ } else if (statusType == CertStatusRequestType.OCSP_MULTI) {
+ for (X509Certificate cert : certChain) {
+ byte[] resp = stapleParams.responseMap.get(cert);
+ if (resp == null) {
+ resp = new byte[0];
+ }
+ encodedResponses.add(resp);
+ encodedResponsesLen += resp.length + 3;
+ }
+ } else {
+ throw new IllegalArgumentException(
+ "Unsupported StatusResponseType: " + statusType);
+ }
+
+ messageLength = messageLength();
+ }
+
+ CertificateStatusMessage(HandshakeContext handshakeContext,
+ ByteBuffer m) throws IOException {
+ super(handshakeContext);
+
+ statusType = CertStatusRequestType.valueOf((byte)Record.getInt8(m));
+ if (statusType == CertStatusRequestType.OCSP) {
+ byte[] respDER = Record.getBytes24(m);
+ // Convert the incoming bytes to a OCSPResponse strucutre
+ if (respDER.length > 0) {
+ encodedResponses.add(respDER);
+ encodedResponsesLen = 3 + respDER.length;
+ } else {
+ handshakeContext.conContext.fatal(Alert.HANDSHAKE_FAILURE,
+ "Zero-length OCSP Response");
+ }
+ } else if (statusType == CertStatusRequestType.OCSP_MULTI) {
+ int respListLen = Record.getInt24(m);
+ encodedResponsesLen = respListLen;
+
+ // Add each OCSP reponse into the array list in the order
+ // we receive them off the wire. A zero-length array is
+ // allowed for ocsp_multi, and means that a response for
+ // a given certificate is not available.
+ while (respListLen > 0) {
+ byte[] respDER = Record.getBytes24(m);
+ encodedResponses.add(respDER);
+ respListLen -= (respDER.length + 3);
+ }
+
+ if (respListLen != 0) {
+ handshakeContext.conContext.fatal(Alert.INTERNAL_ERROR,
+ "Bad OCSP response list length");
+ }
+ } else {
+ handshakeContext.conContext.fatal(Alert.HANDSHAKE_FAILURE,
+ "Unsupported StatusResponseType: " + statusType);
+ }
+ messageLength = messageLength();
+ }
+
+ @Override
+ public SSLHandshake handshakeType() {
+ return SSLHandshake.CERTIFICATE_STATUS;
+ }
+
+ @Override
+ public int messageLength() {
+ int len = 1;
+
+ if (messageLength == -1) {
+ if (statusType == CertStatusRequestType.OCSP) {
+ len += encodedResponsesLen;
+ } else if (statusType == CertStatusRequestType.OCSP_MULTI) {
+ len += 3 + encodedResponsesLen;
+ }
+ messageLength = len;
+ }
+
+ return messageLength;
+ }
+
+ @Override
+ public void send(HandshakeOutStream s) throws IOException {
+ s.putInt8(statusType.id);
+ if (statusType == CertStatusRequestType.OCSP) {
+ s.putBytes24(encodedResponses.get(0));
+ } else if (statusType == CertStatusRequestType.OCSP_MULTI) {
+ s.putInt24(encodedResponsesLen);
+ for (byte[] respBytes : encodedResponses) {
+ if (respBytes != null) {
+ s.putBytes24(respBytes);
+ } else {
+ s.putBytes24(null);
+ }
+ }
+ } else {
+ // It is highly unlikely that we will fall into this section
+ // of the code.
+ throw new SSLHandshakeException("Unsupported status_type: " +
+ statusType.id);
+ }
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+
+ // Stringify the encoded OCSP response list
+ for (byte[] respDER : encodedResponses) {
+ if (respDER.length > 0) {
+ try {
+ OCSPResponse oResp = new OCSPResponse(respDER);
+ sb.append(oResp.toString()).append("\n");
+ } catch (IOException ioe) {
+ sb.append("OCSP Response Exception: ").append(ioe)
+ .append("\n");
+ }
+ } else {
+ sb.append("<Zero-length entry>\n");
+ }
+ }
+
+ MessageFormat messageFormat = new MessageFormat(
+ "\"CertificateStatus\": '{'\n" +
+ " \"type\" : \"{0}\",\n" +
+ " \"responses \" : [\n" + "{1}\n" + " ]\n" +
+ "'}'",
+ Locale.ENGLISH);
+ Object[] messageFields = {
+ statusType.name,
+ Utilities.indent(Utilities.indent(sb.toString()))
+ };
+
+ return messageFormat.format(messageFields);
+ }
+ }
+
+ /**
+ * The CertificateStatus handshake message consumer.
+ */
+ private static final class CertificateStatusConsumer
+ implements SSLConsumer {
+ // Prevent instantiation of this class.
+ private CertificateStatusConsumer() {
+ // blank
+ }
+
+ @Override
+ public void consume(ConnectionContext context,
+ ByteBuffer message) throws IOException {
+ ClientHandshakeContext chc = (ClientHandshakeContext)context;
+ CertificateStatusMessage cst =
+ new CertificateStatusMessage(chc, message);
+
+ // Log the message
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Consuming server CertificateStatus handshake message",
+ cst);
+ }
+
+ // Pin the received responses to the SSLSessionImpl. It will
+ // be retrieved by the X509TrustManagerImpl during the certficicate
+ // checking phase.
+ chc.handshakeSession.setStatusResponses(cst.encodedResponses);
+
+ // Now perform the check
+ T12CertificateConsumer.checkServerCerts(chc, chc.deferredCerts);
+ }
+ }
+
+ /**
+ * The CertificateStatus handshake message consumer.
+ */
+ private static final class CertificateStatusProducer
+ implements HandshakeProducer {
+ // Prevent instantiation of this class.
+ private CertificateStatusProducer() {
+ // blank
+ }
+
+ @Override
+ public byte[] produce(ConnectionContext context,
+ HandshakeMessage message) throws IOException {
+ // Only the server-side should be a producer of this message
+ ServerHandshakeContext shc = (ServerHandshakeContext)context;
+
+ // If stapling is not active, immediately return without producing
+ // a message or any further processing.
+ if (!shc.staplingActive) {
+ return null;
+ }
+
+ // Create the CertificateStatus message from info in the
+ CertificateStatusMessage csm = new CertificateStatusMessage(shc);
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine(
+ "Produced server CertificateStatus handshake message", csm);
+ }
+
+ // Output the handshake message.
+ csm.write(shc.handshakeOutput);
+ shc.handshakeOutput.flush();
+
+ // The handshake message has been delivered.
+ return null;
+ }
+ }
+
+ private static final class CertificateStatusAbsence
+ implements HandshakeAbsence {
+ // Prevent instantiation of this class
+ private CertificateStatusAbsence() {
+ // blank
+ }
+
+ @Override
+ public void absent(ConnectionContext context,
+ HandshakeMessage message) throws IOException {
+ ClientHandshakeContext chc = (ClientHandshakeContext)context;
+
+ // Processing should only continue if stapling is active
+ if (chc.staplingActive) {
+ // Because OCSP stapling is active, it means two things
+ // if we're here: 1) The server hello asserted the
+ // status_request[_v2] extension. 2) The CertificateStatus
+ // message was not sent. This means that cert path checking
+ // was deferred, but must happen immediately.
+ if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+ SSLLogger.fine("Server did not send CertificateStatus, " +
+ "checking cert chain without status info.");
+ }
+ T12CertificateConsumer.checkServerCerts(chc, chc.deferredCerts);
+ }
+ }
+ }
+}
+