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The Bouncy Castle Java APIs for the TLS, including a JSSE provider. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.
package org.bouncycastle.jsse.provider;
import java.io.IOException;
import java.math.BigInteger;
import java.security.Principal;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.jsse.BCSNIMatcher;
import org.bouncycastle.jsse.BCSNIServerName;
import org.bouncycastle.jsse.BCX509Key;
import org.bouncycastle.jsse.java.security.BCAlgorithmConstraints;
import org.bouncycastle.jsse.provider.SignatureSchemeInfo.PerConnection;
import org.bouncycastle.tls.AlertDescription;
import org.bouncycastle.tls.AlertLevel;
import org.bouncycastle.tls.Certificate;
import org.bouncycastle.tls.CertificateRequest;
import org.bouncycastle.tls.CertificateStatus;
import org.bouncycastle.tls.ClientCertificateType;
import org.bouncycastle.tls.DefaultTlsServer;
import org.bouncycastle.tls.KeyExchangeAlgorithm;
import org.bouncycastle.tls.ProtocolName;
import org.bouncycastle.tls.ProtocolVersion;
import org.bouncycastle.tls.SecurityParameters;
import org.bouncycastle.tls.ServerName;
import org.bouncycastle.tls.SessionParameters;
import org.bouncycastle.tls.SignatureAndHashAlgorithm;
import org.bouncycastle.tls.TlsContext;
import org.bouncycastle.tls.TlsCredentials;
import org.bouncycastle.tls.TlsDHUtils;
import org.bouncycastle.tls.TlsExtensionsUtils;
import org.bouncycastle.tls.TlsFatalAlert;
import org.bouncycastle.tls.TlsSession;
import org.bouncycastle.tls.TlsUtils;
import org.bouncycastle.tls.TrustedAuthority;
import org.bouncycastle.tls.crypto.DHGroup;
import org.bouncycastle.tls.crypto.impl.jcajce.JcaTlsCrypto;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.encoders.Hex;
class ProvTlsServer
extends DefaultTlsServer
implements ProvTlsPeer
{
private static final Logger LOG = Logger.getLogger(ProvTlsServer.class.getName());
private static final String PROPERTY_DEFAULT_DHE_PARAMETERS = "jdk.tls.server.defaultDHEParameters";
// TODO[jsse] Integrate this into NamedGroupInfo
private static final int provEphemeralDHKeySize = PropertyUtils.getIntegerSystemProperty("jdk.tls.ephemeralDHKeySize", 2048, 1024, 8192);
/*
* TODO[jsse] Does this selection override the restriction from 'jdk.tls.ephemeralDHKeySize'?
* TODO[fips] Probably should be ignored in fips mode?
*/
@SuppressWarnings("unused")
private static final DHGroup[] provServerDefaultDHEParameters = getDefaultDHEParameters();
private static final boolean provServerEnableCA = PropertyUtils
.getBooleanSystemProperty("jdk.tls.server.enableCAExtension", true);
private static final boolean provServerEnableSessionResumption = PropertyUtils
.getBooleanSystemProperty("org.bouncycastle.jsse.server.enableSessionResumption", true);
// TODO[jsse] Support status_request and status_request_v2 extensions
// private static final boolean provServerEnableStatusRequest = PropertyUtils.getBooleanSystemProperty(
// "jdk.tls.server.enableStatusRequestExtension", false);
private static final boolean provServerEnableStatusRequest = false;
private static final boolean provServerEnableTrustedCAKeys = PropertyUtils
.getBooleanSystemProperty("org.bouncycastle.jsse.server.enableTrustedCAKeysExtension", false);
private static DHGroup[] getDefaultDHEParameters()
{
String propertyValue = PropertyUtils.getStringSecurityProperty(PROPERTY_DEFAULT_DHE_PARAMETERS);
if (null == propertyValue)
{
return null;
}
String input = JsseUtils.stripDoubleQuotes(JsseUtils.removeAllWhitespace(propertyValue));
int limit = input.length();
if (limit < 1)
{
return null;
}
ArrayList result = new ArrayList();
int outerComma = -1;
do
{
int openBrace = outerComma + 1;
if (openBrace >= limit || '{' != input.charAt(openBrace))
{
break;
}
int modulus = openBrace + 1;
int innerComma = input.indexOf(',', modulus);
if (innerComma <= modulus)
{
break;
}
int generator = innerComma + 1;
int closeBrace = input.indexOf('}', generator);
if (closeBrace <= generator)
{
break;
}
try
{
BigInteger p = parseDHParameter(input, modulus, innerComma);
BigInteger g = parseDHParameter(input, generator, closeBrace);
DHGroup dhGroup = TlsDHUtils.getStandardGroupForDHParameters(p, g);
if (null != dhGroup)
{
result.add(dhGroup);
}
else if (!p.isProbablePrime(120))
{
LOG.log(Level.WARNING, "Non-prime modulus ignored in security property ["
+ PROPERTY_DEFAULT_DHE_PARAMETERS + "]: " + p.toString(16));
}
else
{
result.add(new DHGroup(p, null, g, 0));
}
}
catch (Exception e)
{
break;
}
outerComma = closeBrace + 1;
if (outerComma >= limit)
{
return result.toArray(new DHGroup[result.size()]);
}
}
while (',' == input.charAt(outerComma));
LOG.log(Level.WARNING, "Invalid syntax for security property [" + PROPERTY_DEFAULT_DHE_PARAMETERS + "]");
return null;
}
private static BigInteger parseDHParameter(String s, int beginIndex, int endIndex)
{
return new BigInteger(s.substring(beginIndex, endIndex), 16);
}
protected final String serverID;
protected final ProvTlsManager manager;
protected final ProvSSLParameters sslParameters;
protected final JsseSecurityParameters jsseSecurityParameters = new JsseSecurityParameters();
protected ProvSSLSession sslSession = null;
protected BCSNIServerName matchedSNIServerName = null;
protected Set keyManagerMissCache = null;
protected TlsCredentials credentials = null;
protected boolean handshakeComplete = false;
ProvTlsServer(ProvTlsManager manager, ProvSSLParameters sslParameters)
{
super(manager.getContextData().getCrypto());
this.serverID = JsseUtils.getPeerID("server", manager);
this.manager = manager;
this.sslParameters = sslParameters.copyForConnection();
}
public String getID()
{
return serverID;
}
public ProvSSLSession getSession()
{
return sslSession;
}
public TlsContext getTlsContext()
{
return context;
}
@Override
protected boolean allowCertificateStatus()
{
return provServerEnableStatusRequest;
}
@Override
protected boolean allowMultiCertStatus()
{
return provServerEnableStatusRequest;
}
@Override
protected boolean allowTrustedCAIndication()
{
return null != jsseSecurityParameters.trustedIssuers;
}
@Override
protected String getDetailMessageNoCipherSuite()
{
// CAUTION: Required for Common Criteria
StringBuilder sb = new StringBuilder(serverID);
int[] offered = offeredCipherSuites;
if (TlsUtils.isNullOrEmpty(offered))
{
sb.append(" found no selectable cipher suite because none were offered.");
}
else
{
sb.append(" found no selectable cipher suite among the ");
sb.append(offered.length);
sb.append(" offered: ");
ProvSSLContextSpi context = manager.getContextData().getContext();
sb.append('[');
JsseUtils.appendCipherSuiteDetail(sb, context, offered[0]);
for (int i = 1; i < offered.length; ++i)
{
sb.append(", ");
JsseUtils.appendCipherSuiteDetail(sb, context, offered[i]);
}
sb.append(']');
}
return sb.toString();
}
@Override
protected int getMaximumNegotiableCurveBits()
{
return NamedGroupInfo.getMaximumBitsServerECDH(jsseSecurityParameters.namedGroups);
}
@Override
protected int getMaximumNegotiableFiniteFieldBits()
{
int maxBits = NamedGroupInfo.getMaximumBitsServerFFDHE(jsseSecurityParameters.namedGroups);
return maxBits >= provEphemeralDHKeySize ? maxBits : 0;
}
@Override
protected Vector getProtocolNames()
{
return JsseUtils.getProtocolNames(sslParameters.getApplicationProtocols());
}
@Override
protected int[] getSupportedCipherSuites()
{
return manager.getContextData().getContext().getActiveCipherSuites(getCrypto(), sslParameters,
getProtocolVersions());
}
@Override
protected ProtocolVersion[] getSupportedVersions()
{
return manager.getContextData().getContext().getActiveProtocolVersions(sslParameters);
}
@Override
protected boolean preferLocalCipherSuites()
{
return sslParameters.getUseCipherSuitesOrder();
}
@Override
protected boolean selectCipherSuite(int cipherSuite) throws IOException
{
TlsCredentials cipherSuiteCredentials = null;
int keyExchangeAlgorithm = TlsUtils.getKeyExchangeAlgorithm(cipherSuite);
if (!KeyExchangeAlgorithm.isAnonymous(keyExchangeAlgorithm))
{
cipherSuiteCredentials = selectCredentials(jsseSecurityParameters.trustedIssuers, keyExchangeAlgorithm);
if (null == cipherSuiteCredentials)
{
String cipherSuiteName = ProvSSLContextSpi.getCipherSuiteName(cipherSuite);
if (LOG.isLoggable(Level.FINER))
{
LOG.finer(serverID + " found no credentials for cipher suite: " + cipherSuiteName);
}
return false;
}
}
boolean result = super.selectCipherSuite(cipherSuite);
if (result)
{
this.credentials = cipherSuiteCredentials;
}
return result;
}
@Override
protected int selectDH(int minimumFiniteFieldBits)
{
minimumFiniteFieldBits = Math.max(minimumFiniteFieldBits, provEphemeralDHKeySize);
return NamedGroupInfo.selectServerFFDHE(jsseSecurityParameters.namedGroups, minimumFiniteFieldBits);
}
@Override
protected int selectDHDefault(int minimumFiniteFieldBits)
{
throw new UnsupportedOperationException();
}
@Override
protected int selectECDH(int minimumCurveBits)
{
return NamedGroupInfo.selectServerECDH(jsseSecurityParameters.namedGroups, minimumCurveBits);
}
@Override
protected int selectECDHDefault(int minimumCurveBits)
{
throw new UnsupportedOperationException();
}
@Override
protected ProtocolName selectProtocolName() throws IOException
{
if (null == sslParameters.getEngineAPSelector() && null == sslParameters.getSocketAPSelector())
{
return super.selectProtocolName();
}
@SuppressWarnings("unchecked")
Vector applicationProtocols = clientProtocolNames;
List protocols = JsseUtils.getProtocolNames(applicationProtocols);
String protocol = manager.selectApplicationProtocol(Collections.unmodifiableList(protocols));
if (null == protocol)
{
throw new TlsFatalAlert(AlertDescription.no_application_protocol);
}
else if (protocol.length() < 1)
{
return null;
}
else if (!protocols.contains(protocol))
{
throw new TlsFatalAlert(AlertDescription.no_application_protocol);
}
return ProtocolName.asUtf8Encoding(protocol);
}
@Override
protected boolean shouldSelectProtocolNameEarly()
{
return null == sslParameters.getEngineAPSelector() && null == sslParameters.getSocketAPSelector();
}
@Override
public boolean allowLegacyResumption()
{
return JsseUtils.allowLegacyResumption();
}
@Override
public int getMaxCertificateChainLength()
{
return JsseUtils.getMaxCertificateChainLength();
}
@Override
public int getMaxHandshakeMessageSize()
{
return JsseUtils.getMaxHandshakeMessageSize();
}
public synchronized boolean isHandshakeComplete()
{
return handshakeComplete;
}
@Override
public TlsCredentials getCredentials()
throws IOException
{
if (credentials == null)
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
return credentials;
}
@Override
public CertificateRequest getCertificateRequest() throws IOException
{
if (!isClientAuthEnabled())
{
return null;
}
final ContextData contextData = manager.getContextData();
final ProtocolVersion negotiatedVersion = context.getServerVersion();
Vector serverSigAlgs =
jsseSecurityParameters.signatureSchemes.getLocalSignatureAndHashAlgorithms();
Vector certificateAuthorities = null;
if (provServerEnableCA)
{
certificateAuthorities = JsseUtils.getCertificateAuthorities(contextData.getX509TrustManager());
}
if (TlsUtils.isTLSv13(negotiatedVersion))
{
/*
* TODO[tls13] RFC 8446 4.4.2.1. A server MAY request that a client present an OCSP response
* with its certificate by sending an empty "status_request" extension in its
* CertificateRequest message.
*/
/*
* RFC 8446 4.3.2. This field SHALL be zero length unless used for the post-handshake
* authentication exchanges [..].
*/
byte[] certificateRequestContext = TlsUtils.EMPTY_BYTES;
Vector serverSigAlgsCert =
jsseSecurityParameters.signatureSchemes.getLocalSignatureAndHashAlgorithmsCert();
return new CertificateRequest(certificateRequestContext, serverSigAlgs, serverSigAlgsCert,
certificateAuthorities);
}
// TODO[jsse] These should really be based on TlsCrypto support
short[] certificateTypes = new short[]{ ClientCertificateType.ecdsa_sign,
ClientCertificateType.rsa_sign, ClientCertificateType.dss_sign };
return new CertificateRequest(certificateTypes, serverSigAlgs, certificateAuthorities);
}
@Override
public CertificateStatus getCertificateStatus() throws IOException
{
// TODO[jsse] Support status_request and status_request_v2 extensions
// SecurityParameters securityParameters = context.getSecurityParametersHandshake();
// int statusRequestVersion = securityParameters.getStatusRequestVersion();
//
// if (statusRequestVersion == 2)
// {
// int count = statusRequestV2.size();
// for (int i = 0; i < count; ++i)
// {
// CertificateStatusRequestItemV2 item = (CertificateStatusRequestItemV2)statusRequestV2.get(i);
// short statusType = item.getStatusType();
// if (CertificateStatusType.ocsp_multi == statusType)
// {
// int chainLength = credentials.getCertificate().getLength();
// Vector ocspResponseList = new Vector(chainLength);
// for (int j = 0; j < chainLength; ++j)
// {
// // TODO Actual OCSP response
// ocspResponseList.add(null);
// }
//
// return new CertificateStatus(CertificateStatusType.ocsp_multi, ocspResponseList);
// }
// else if (CertificateStatusType.ocsp == statusType)
// {
// // TODO Actual OCSP response
// OCSPResponse ocspResponse;
//
// return new CertificateStatus(CertificateStatusType.ocsp, ocspResponse);
// }
// }
// }
// else if (statusRequestVersion == 1)
// {
// if (CertificateStatusType.ocsp == certificateStatusRequest.getStatusType())
// {
// OCSPStatusRequest ocspStatusRequest = certificateStatusRequest.getOCSPStatusRequest();
//
// @SuppressWarnings("unchecked")
// Vector responderIDList = ocspStatusRequest.getResponderIDList();
// Extensions requestExtensions = ocspStatusRequest.getRequestExtensions();
//
// X509Certificate eeCert = JsseUtils.getEndEntity(getCrypto(), credentials.getCertificate());
//
// // ...
// }
// }
return null;
}
@Override
public JcaTlsCrypto getCrypto()
{
return manager.getContextData().getCrypto();
}
@Override
public int[] getSupportedGroups() throws IOException
{
// Setup the local supported groups
{
ContextData contextData = manager.getContextData();
ProtocolVersion negotiatedVersion = context.getServerVersion();
jsseSecurityParameters.namedGroups = contextData.getNamedGroupsServer(sslParameters, negotiatedVersion);
}
return NamedGroupInfo.getSupportedGroupsLocalServer(jsseSecurityParameters.namedGroups);
}
@Override
public int getSelectedCipherSuite() throws IOException
{
final ContextData contextData = manager.getContextData();
final SecurityParameters securityParameters = context.getSecurityParametersHandshake();
// Set up the peer supported groups
{
int[] clientSupportedGroups = securityParameters.getClientSupportedGroups();
jsseSecurityParameters.namedGroups.notifyPeerData(clientSupportedGroups);
}
// Setup the local supported signature schemes
{
ProtocolVersion negotiatedVersion = context.getServerVersion();
// TODO[jsse] May want this selection to depend on the peer's supported_groups
jsseSecurityParameters.signatureSchemes = contextData.getSignatureSchemesServer(sslParameters,
negotiatedVersion, jsseSecurityParameters.namedGroups);
}
// Setup the peer supported signature schemes
{
@SuppressWarnings("unchecked")
Vector clientSigAlgs = (Vector)
securityParameters.getClientSigAlgs();
@SuppressWarnings("unchecked")
Vector clientSigAlgsCert = (Vector)
securityParameters.getClientSigAlgsCert();
/*
* TODO[tls13] Legacy schemes (cert-only for TLS 1.3) complicate these conversions. Consider which
* (if any) of these should be constrained by locally enabled schemes (especially once
* jdk.tls.signatureSchemes support added).
*/
List peerSigSchemes = contextData.getSignatureSchemes(clientSigAlgs);
List peerSigSchemesCert = null;
if (clientSigAlgsCert != clientSigAlgs)
{
peerSigSchemesCert = contextData.getSignatureSchemes(clientSigAlgsCert);
}
jsseSecurityParameters.signatureSchemes.notifyPeerData(peerSigSchemes, peerSigSchemesCert);
if (LOG.isLoggable(Level.FINEST))
{
{
String title = serverID + " peer signature_algorithms";
LOG.finest(JsseUtils.getSignatureAlgorithmsReport(title, peerSigSchemes));
}
if (peerSigSchemesCert != null)
{
String title = serverID + " peer signature_algorithms_cert";
LOG.finest(JsseUtils.getSignatureAlgorithmsReport(title, peerSigSchemesCert));
}
}
}
if (DummyX509KeyManager.INSTANCE == contextData.getX509KeyManager())
{
// We don't support anonymous cipher suites, so there has to be a (real) key manager
throw new TlsFatalAlert(AlertDescription.handshake_failure);
}
keyManagerMissCache = new HashSet();
int selectedCipherSuite = super.getSelectedCipherSuite();
keyManagerMissCache = null;
String selectedCipherSuiteName = contextData.getContext().validateNegotiatedCipherSuite(sslParameters,
selectedCipherSuite);
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " selected cipher suite: " + selectedCipherSuiteName);
}
return selectedCipherSuite;
}
@Override
public Hashtable getServerExtensions() throws IOException
{
super.getServerExtensions();
/*
* RFC 6066 When resuming a session, the server MUST NOT include a server_name extension
* in the server hello.
*/
if (null != matchedSNIServerName)
{
// TODO[tls13] Resumption/PSK. SNI is always negotiated per-connection in TLS 1.3
TlsExtensionsUtils.addServerNameExtensionServer(serverExtensions);
}
@SuppressWarnings("unchecked")
Hashtable result = serverExtensions;
return result;
}
@Override
public TlsSession getSessionToResume(byte[] sessionID)
{
ProvSSLSessionContext sslSessionContext = manager.getContextData().getServerSessionContext();
if (provServerEnableSessionResumption)
{
ProvSSLSession availableSSLSession = sslSessionContext.getSessionImpl(sessionID);
if (null != availableSSLSession)
{
TlsSession sessionToResume = availableSSLSession.getTlsSession();
if (isResumable(availableSSLSession, sessionToResume))
{
this.sslSession = availableSSLSession;
return sessionToResume;
}
}
}
JsseUtils.checkSessionCreationEnabled(manager);
return null;
}
@Override
public byte[] getNewSessionID()
{
// TODO[tls13] Resumption/PSK
if (!provServerEnableSessionResumption || TlsUtils.isTLSv13(context))
{
return null;
}
return context.getNonceGenerator().generateNonce(32);
}
@Override
public void notifySession(TlsSession session)
{
byte[] sessionID = session.getSessionID();
boolean isResumed = (null != sslSession && sslSession.getTlsSession() == session);
if (isResumed)
{
if (LOG.isLoggable(Level.FINE))
{
// -DM Hex.toHexString
LOG.fine(serverID + " resumed session: " + Hex.toHexString(sessionID));
}
}
else
{
this.sslSession = null;
if (LOG.isLoggable(Level.FINE))
{
if (TlsUtils.isNullOrEmpty(sessionID))
{
LOG.fine(serverID + " did not specify a session ID");
}
else
{
// -DM Hex.toHexString
LOG.fine(serverID + " specified new session: " + Hex.toHexString(sessionID));
}
}
JsseUtils.checkSessionCreationEnabled(manager);
}
manager.notifyHandshakeSession(manager.getContextData().getServerSessionContext(),
context.getSecurityParametersHandshake(), jsseSecurityParameters, sslSession);
}
@Override
public void notifyAlertRaised(short alertLevel, short alertDescription, String message, Throwable cause)
{
Level level = alertLevel == AlertLevel.warning ? Level.FINE
: alertDescription == AlertDescription.internal_error ? Level.WARNING
: Level.INFO;
if (LOG.isLoggable(level))
{
String msg = JsseUtils.getAlertRaisedLogMessage(serverID, alertLevel, alertDescription);
if (message != null)
{
msg = msg + ": " + message;
}
LOG.log(level, msg, cause);
}
}
@Override
public void notifyAlertReceived(short alertLevel, short alertDescription)
{
super.notifyAlertReceived(alertLevel, alertDescription);
Level level = alertLevel == AlertLevel.warning ? Level.FINE
: Level.INFO;
if (LOG.isLoggable(level))
{
String msg = JsseUtils.getAlertReceivedLogMessage(serverID, alertLevel, alertDescription);
LOG.log(level, msg);
}
}
@Override
public ProtocolVersion getServerVersion() throws IOException
{
ProtocolVersion serverVersion = super.getServerVersion();
String serverVersionName = manager.getContextData().getContext().validateNegotiatedProtocol(sslParameters,
serverVersion);
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " selected protocol version: " + serverVersionName);
}
return serverVersion;
}
@Override
public void notifyClientCertificate(Certificate clientCertificate) throws IOException
{
// NOTE: This method isn't called unless we returned non-null from getCertificateRequest() earlier
if (!isClientAuthEnabled())
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
if (null == clientCertificate || clientCertificate.isEmpty())
{
if (sslParameters.getNeedClientAuth())
{
short alertDescription = TlsUtils.isTLSv13(context)
? AlertDescription.certificate_required
: AlertDescription.handshake_failure;
throw new TlsFatalAlert(alertDescription);
}
}
else
{
X509Certificate[] chain = JsseUtils.getX509CertificateChain(getCrypto(), clientCertificate);
/*
* We never try to continue the handshake with an untrusted client certificate (although it could
* be an option if we only "want" client-auth, rather than "need".
*
* NOTE: The 'authType' parameter is a dummy value not used by trust managers.
*/
manager.checkClientTrusted(chain, "TLS-client-auth");
}
}
@Override
public void notifyConnectionClosed()
{
super.notifyConnectionClosed();
if (LOG.isLoggable(Level.INFO))
{
LOG.info(serverID + " disconnected from " + JsseUtils.getPeerReport(manager));
}
}
@Override
public void notifyHandshakeBeginning() throws IOException
{
super.notifyHandshakeBeginning();
if (LOG.isLoggable(Level.INFO))
{
LOG.info(serverID + " accepting connection from " + JsseUtils.getPeerReport(manager));
}
}
@Override
public synchronized void notifyHandshakeComplete() throws IOException
{
super.notifyHandshakeComplete();
this.handshakeComplete = true;
if (LOG.isLoggable(Level.INFO))
{
LOG.info(serverID + " established connection with " + JsseUtils.getPeerReport(manager));
}
TlsSession connectionTlsSession = context.getSession();
if (null == sslSession || sslSession.getTlsSession() != connectionTlsSession)
{
ProvSSLSessionContext sslSessionContext = manager.getContextData().getServerSessionContext();
String peerHost = manager.getPeerHost();
int peerPort = manager.getPeerPort();
JsseSessionParameters jsseSessionParameters = new JsseSessionParameters(
sslParameters.getEndpointIdentificationAlgorithm(), matchedSNIServerName);
// TODO[tls13] Resumption/PSK
boolean addToCache = provServerEnableSessionResumption && !TlsUtils.isTLSv13(context);
this.sslSession = sslSessionContext.reportSession(peerHost, peerPort, connectionTlsSession,
jsseSessionParameters, addToCache);
}
manager.notifyHandshakeComplete(new ProvSSLConnection(this));
}
@Override
public void notifySecureRenegotiation(boolean secureRenegotiation) throws IOException
{
if (!secureRenegotiation)
{
boolean allowLegacyHelloMessages = PropertyUtils.getBooleanSystemProperty(
"sun.security.ssl.allowLegacyHelloMessages", true);
if (!allowLegacyHelloMessages)
{
throw new TlsFatalAlert(AlertDescription.handshake_failure);
}
}
}
@Override
public void processClientExtensions(@SuppressWarnings("rawtypes") Hashtable clientExtensions) throws IOException
{
super.processClientExtensions(clientExtensions);
/*
* TODO[jsse] RFC 6066 A server that implements this extension MUST NOT accept the
* request to resume the session if the server_name extension contains a different name.
*/
@SuppressWarnings("unchecked")
Vector serverNameList = context.getSecurityParametersHandshake().getClientServerNames();
if (null != serverNameList)
{
Collection sniMatchers = sslParameters.getSNIMatchers();
if (null == sniMatchers || sniMatchers.isEmpty())
{
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " ignored SNI (no matchers specified)");
}
}
else
{
this.matchedSNIServerName = JsseUtils.findMatchingSNIServerName(serverNameList, sniMatchers);
if (null == matchedSNIServerName)
{
throw new TlsFatalAlert(AlertDescription.unrecognized_name);
}
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " accepted SNI: " + matchedSNIServerName);
}
}
}
if (TlsUtils.isTLSv13(context))
{
@SuppressWarnings("unchecked")
Vector certificateAuthorities = TlsExtensionsUtils
.getCertificateAuthoritiesExtension(clientExtensions);
jsseSecurityParameters.trustedIssuers = JsseUtils.toX500Principals(certificateAuthorities);
}
else
{
if (provServerEnableTrustedCAKeys)
{
@SuppressWarnings("unchecked")
Vector trustedCAKeys = this.trustedCAKeys;
jsseSecurityParameters.trustedIssuers = JsseUtils.getTrustedIssuers(trustedCAKeys);
}
}
}
@Override
public boolean requiresCloseNotify()
{
return JsseUtils.requireCloseNotify();
}
@Override
public boolean requiresExtendedMasterSecret()
{
return !JsseUtils.allowLegacyMasterSecret();
}
@Override
public boolean shouldUseExtendedMasterSecret()
{
return JsseUtils.useExtendedMasterSecret();
}
protected boolean isClientAuthEnabled()
{
return sslParameters.getNeedClientAuth() || sslParameters.getWantClientAuth();
}
protected boolean isResumable(ProvSSLSession provSSLSession, TlsSession tlsSession)
{
if (null == tlsSession || !tlsSession.isResumable())
{
return false;
}
{
SecurityParameters securityParameters = context.getSecurityParametersHandshake();
ProtocolVersion negotiatedVersion = securityParameters.getNegotiatedVersion();
if (TlsUtils.isTLSv13(negotiatedVersion))
{
return false;
}
// TODO[resumption] Avoid the copy somehow?
SessionParameters sessionParameters = tlsSession.exportSessionParameters();
if (null == sessionParameters ||
!negotiatedVersion.equals(sessionParameters.getNegotiatedVersion()) ||
!Arrays.contains(getCipherSuites(), sessionParameters.getCipherSuite()) ||
!Arrays.contains(offeredCipherSuites, sessionParameters.getCipherSuite()))
{
return false;
}
if (sslParameters.getNeedClientAuth() && sessionParameters.getPeerCertificate() == null)
{
return false;
}
{
String connectionEndpointID = sslParameters.getEndpointIdentificationAlgorithm();
if (null != connectionEndpointID)
{
JsseSessionParameters jsseSessionParameters = provSSLSession.getJsseSessionParameters();
String sessionEndpointID = jsseSessionParameters.getEndpointIDAlgorithm();
if (!connectionEndpointID.equalsIgnoreCase(sessionEndpointID))
{
if (LOG.isLoggable(Level.FINER))
{
LOG.finer(serverID + ": Session not resumable - endpoint ID algorithm mismatch; connection: "
+ connectionEndpointID + ", session: " + sessionEndpointID);
}
return false;
}
}
}
}
{
/*
* TODO[tls13] RFC 8446 4.2.11. In TLS versions prior to TLS 1.3, the Server Name
* Identification (SNI) value was intended to be associated with the session (Section 3
* of [RFC6066]), with the server being required to enforce that the SNI value
* associated with the session matches the one specified in the resumption handshake.
* However, in reality the implementations were not consistent on which of two supplied
* SNI values they would use, leading to the consistency requirement being de facto
* enforced by the clients. In TLS 1.3, the SNI value is always explicitly specified in
* the resumption handshake, and there is no need for the server to associate an SNI
* value with the ticket. Clients, however, SHOULD store the SNI with the PSK to fulfill
* the requirements of Section 4.6.1.
*/
JsseSessionParameters jsseSessionParameters = provSSLSession.getJsseSessionParameters();
BCSNIServerName connectionSNI = matchedSNIServerName;
BCSNIServerName sessionSNI = jsseSessionParameters.getMatchedSNIServerName();
if (!JsseUtils.equals(connectionSNI, sessionSNI))
{
if (LOG.isLoggable(Level.FINEST))
{
LOG.finest(serverID + ": Session not resumable - SNI mismatch; connection: " + connectionSNI
+ ", session: " + sessionSNI);
}
return false;
}
}
return true;
}
protected TlsCredentials selectCredentials(Principal[] issuers, int keyExchangeAlgorithm) throws IOException
{
switch (keyExchangeAlgorithm)
{
case KeyExchangeAlgorithm.DHE_DSS:
case KeyExchangeAlgorithm.DHE_RSA:
case KeyExchangeAlgorithm.ECDHE_ECDSA:
case KeyExchangeAlgorithm.ECDHE_RSA:
case KeyExchangeAlgorithm.RSA:
{
if (KeyExchangeAlgorithm.RSA == keyExchangeAlgorithm
|| !TlsUtils.isSignatureAlgorithmsExtensionAllowed(context.getServerVersion()))
{
return selectServerCredentialsLegacy(issuers, keyExchangeAlgorithm);
}
return selectServerCredentials12(issuers, keyExchangeAlgorithm);
}
case KeyExchangeAlgorithm.NULL:
{
byte[] certificateRequestContext = TlsUtils.EMPTY_BYTES;
return selectServerCredentials13(issuers, certificateRequestContext);
}
default:
return null;
}
}
protected TlsCredentials selectServerCredentials12(Principal[] issuers, int keyExchangeAlgorithm) throws IOException
{
BCAlgorithmConstraints algorithmConstraints = sslParameters.getAlgorithmConstraints();
final short legacySignatureAlgorithm = TlsUtils.getLegacySignatureAlgorithmServer(keyExchangeAlgorithm);
PerConnection signatureSchemes = jsseSecurityParameters.signatureSchemes;
LinkedHashMap keyTypeMap = new LinkedHashMap();
for (SignatureSchemeInfo signatureSchemeInfo : signatureSchemes.getPeerSigSchemes())
{
if (!TlsUtils.isValidSignatureSchemeForServerKeyExchange(signatureSchemeInfo.getSignatureScheme(),
keyExchangeAlgorithm))
{
continue;
}
final short signatureAlgorithm = signatureSchemeInfo.getSignatureAlgorithm();
String keyType = (legacySignatureAlgorithm == signatureAlgorithm)
? JsseUtils.getKeyTypeLegacyServer(keyExchangeAlgorithm)
: signatureSchemeInfo.getKeyType();
if (keyManagerMissCache.contains(keyType))
{
continue;
}
if (keyTypeMap.containsKey(keyType))
{
continue;
}
// TODO[jsse] Somewhat redundant if we get all active signature schemes later (for CertificateRequest)
if (!signatureSchemeInfo.isActive(algorithmConstraints, false, true, jsseSecurityParameters.namedGroups))
{
continue;
}
keyTypeMap.put(keyType, signatureSchemeInfo);
}
if (keyTypeMap.isEmpty())
{
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " (1.2) has no key types to try for KeyExchangeAlgorithm " + keyExchangeAlgorithm);
}
return null;
}
String[] keyTypes = keyTypeMap.keySet().toArray(TlsUtils.EMPTY_STRINGS);
BCX509Key x509Key = manager.chooseServerKey(keyTypes, issuers);
if (null == x509Key)
{
handleKeyManagerMisses(keyTypeMap, null);
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " (1.2) did not select any credentials for KeyExchangeAlgorithm " + keyExchangeAlgorithm);
}
return null;
}
String selectedKeyType = x509Key.getKeyType();
handleKeyManagerMisses(keyTypeMap, selectedKeyType);
SignatureSchemeInfo selectedSignatureSchemeInfo = keyTypeMap.get(selectedKeyType);
if (null == selectedSignatureSchemeInfo)
{
throw new TlsFatalAlert(AlertDescription.internal_error, "Key manager returned invalid key type");
}
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " (1.2) selected credentials for signature scheme '" + selectedSignatureSchemeInfo
+ "' (keyType '" + selectedKeyType + "'), with private key algorithm '"
+ JsseUtils.getPrivateKeyAlgorithm(x509Key.getPrivateKey()) + "'");
}
return JsseUtils.createCredentialedSigner(context, getCrypto(), x509Key,
selectedSignatureSchemeInfo.getSignatureAndHashAlgorithm());
}
protected TlsCredentials selectServerCredentials13(Principal[] issuers, byte[] certificateRequestContext)
throws IOException
{
BCAlgorithmConstraints algorithmConstraints = sslParameters.getAlgorithmConstraints();
PerConnection signatureSchemes = jsseSecurityParameters.signatureSchemes;
LinkedHashMap keyTypeMap = new LinkedHashMap();
for (SignatureSchemeInfo signatureSchemeInfo : signatureSchemes.getPeerSigSchemes())
{
String keyType = signatureSchemeInfo.getKeyType13();
if (keyManagerMissCache.contains(keyType))
{
continue;
}
if (keyTypeMap.containsKey(keyType))
{
continue;
}
// TODO[jsse] Somewhat redundant if we get all active signature schemes later (for CertificateRequest)
if (!signatureSchemeInfo.isActive(algorithmConstraints, true, false, jsseSecurityParameters.namedGroups))
{
continue;
}
keyTypeMap.put(keyType, signatureSchemeInfo);
}
if (keyTypeMap.isEmpty())
{
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " (1.3) found no usable signature schemes");
}
return null;
}
String[] keyTypes = keyTypeMap.keySet().toArray(TlsUtils.EMPTY_STRINGS);
BCX509Key x509Key = manager.chooseServerKey(keyTypes, issuers);
if (null == x509Key)
{
handleKeyManagerMisses(keyTypeMap, null);
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " (1.3) did not select any credentials");
}
return null;
}
String selectedKeyType = x509Key.getKeyType();
handleKeyManagerMisses(keyTypeMap, selectedKeyType);
SignatureSchemeInfo selectedSignatureSchemeInfo = keyTypeMap.get(selectedKeyType);
if (null == selectedSignatureSchemeInfo)
{
throw new TlsFatalAlert(AlertDescription.internal_error, "Key manager returned invalid key type");
}
if (LOG.isLoggable(Level.FINE))
{
LOG.fine(serverID + " (1.3) selected credentials for signature scheme '" + selectedSignatureSchemeInfo
+ "' (keyType '" + selectedKeyType + "'), with private key algorithm '"
+ JsseUtils.getPrivateKeyAlgorithm(x509Key.getPrivateKey()) + "'");
}
return JsseUtils.createCredentialedSigner13(context, getCrypto(), x509Key,
selectedSignatureSchemeInfo.getSignatureAndHashAlgorithm(), certificateRequestContext);
}
protected TlsCredentials selectServerCredentialsLegacy(Principal[] issuers, int keyExchangeAlgorithm)
throws IOException
{
String keyType = JsseUtils.getKeyTypeLegacyServer(keyExchangeAlgorithm);
if (keyManagerMissCache.contains(keyType))
{
return null;
}
BCX509Key x509Key = manager.chooseServerKey(new String[]{ keyType }, issuers);
if (null == x509Key)
{
keyManagerMissCache.add(keyType);
return null;
}
if (KeyExchangeAlgorithm.RSA == keyExchangeAlgorithm)
{
return JsseUtils.createCredentialedDecryptor(getCrypto(), x509Key);
}
return JsseUtils.createCredentialedSigner(context, getCrypto(), x509Key, null);
}
private void handleKeyManagerMisses(LinkedHashMap keyTypeMap, String selectedKeyType)
{
for (Map.Entry entry : keyTypeMap.entrySet())
{
String keyType = entry.getKey();
if (keyType.equals(selectedKeyType))
{
break;
}
keyManagerMissCache.add(keyType);
if (LOG.isLoggable(Level.FINER))
{
SignatureSchemeInfo signatureSchemeInfo = entry.getValue();
LOG.finer(serverID + " found no credentials for signature scheme '" + signatureSchemeInfo
+ "' (keyType '" + keyType + "')");
}
}
}
}
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