| /* |
| * Copyright (c) 1999, 2013, 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.net.Socket; |
| |
| import java.io.*; |
| import java.util.*; |
| import java.security.*; |
| import java.security.cert.*; |
| import java.security.cert.Certificate; |
| |
| import javax.net.ssl.*; |
| |
| import sun.security.provider.certpath.AlgorithmChecker; |
| import sun.security.action.GetPropertyAction; |
| |
| public abstract class SSLContextImpl extends SSLContextSpi { |
| |
| private static final Debug debug = Debug.getInstance("ssl"); |
| |
| private final EphemeralKeyManager ephemeralKeyManager; |
| private final SSLSessionContextImpl clientCache; |
| private final SSLSessionContextImpl serverCache; |
| |
| private boolean isInitialized; |
| |
| private X509ExtendedKeyManager keyManager; |
| private X509TrustManager trustManager; |
| private SecureRandom secureRandom; |
| |
| // supported and default protocols |
| private ProtocolList defaultServerProtocolList; |
| private ProtocolList defaultClientProtocolList; |
| private ProtocolList supportedProtocolList; |
| |
| // supported and default cipher suites |
| private CipherSuiteList defaultServerCipherSuiteList; |
| private CipherSuiteList defaultClientCipherSuiteList; |
| private CipherSuiteList supportedCipherSuiteList; |
| |
| SSLContextImpl() { |
| ephemeralKeyManager = new EphemeralKeyManager(); |
| clientCache = new SSLSessionContextImpl(); |
| serverCache = new SSLSessionContextImpl(); |
| } |
| |
| @Override |
| protected void engineInit(KeyManager[] km, TrustManager[] tm, |
| SecureRandom sr) throws KeyManagementException { |
| isInitialized = false; |
| keyManager = chooseKeyManager(km); |
| |
| if (tm == null) { |
| try { |
| TrustManagerFactory tmf = TrustManagerFactory.getInstance( |
| TrustManagerFactory.getDefaultAlgorithm()); |
| tmf.init((KeyStore)null); |
| tm = tmf.getTrustManagers(); |
| } catch (Exception e) { |
| // eat |
| } |
| } |
| trustManager = chooseTrustManager(tm); |
| |
| if (sr == null) { |
| secureRandom = JsseJce.getSecureRandom(); |
| } else { |
| if (SunJSSE.isFIPS() && |
| (sr.getProvider() != SunJSSE.cryptoProvider)) { |
| throw new KeyManagementException |
| ("FIPS mode: SecureRandom must be from provider " |
| + SunJSSE.cryptoProvider.getName()); |
| } |
| secureRandom = sr; |
| } |
| |
| /* |
| * The initial delay of seeding the random number generator |
| * could be long enough to cause the initial handshake on our |
| * first connection to timeout and fail. Make sure it is |
| * primed and ready by getting some initial output from it. |
| */ |
| if (debug != null && Debug.isOn("sslctx")) { |
| System.out.println("trigger seeding of SecureRandom"); |
| } |
| secureRandom.nextInt(); |
| if (debug != null && Debug.isOn("sslctx")) { |
| System.out.println("done seeding SecureRandom"); |
| } |
| isInitialized = true; |
| } |
| |
| private X509TrustManager chooseTrustManager(TrustManager[] tm) |
| throws KeyManagementException { |
| // We only use the first instance of X509TrustManager passed to us. |
| for (int i = 0; tm != null && i < tm.length; i++) { |
| if (tm[i] instanceof X509TrustManager) { |
| if (SunJSSE.isFIPS() && |
| !(tm[i] instanceof X509TrustManagerImpl)) { |
| throw new KeyManagementException |
| ("FIPS mode: only SunJSSE TrustManagers may be used"); |
| } |
| |
| if (tm[i] instanceof X509ExtendedTrustManager) { |
| return (X509TrustManager)tm[i]; |
| } else { |
| return new AbstractTrustManagerWrapper( |
| (X509TrustManager)tm[i]); |
| } |
| } |
| } |
| |
| // nothing found, return a dummy X509TrustManager. |
| return DummyX509TrustManager.INSTANCE; |
| } |
| |
| private X509ExtendedKeyManager chooseKeyManager(KeyManager[] kms) |
| throws KeyManagementException { |
| for (int i = 0; kms != null && i < kms.length; i++) { |
| KeyManager km = kms[i]; |
| if (!(km instanceof X509KeyManager)) { |
| continue; |
| } |
| if (SunJSSE.isFIPS()) { |
| // In FIPS mode, require that one of SunJSSE's own keymanagers |
| // is used. Otherwise, we cannot be sure that only keys from |
| // the FIPS token are used. |
| if ((km instanceof X509KeyManagerImpl) |
| || (km instanceof SunX509KeyManagerImpl)) { |
| return (X509ExtendedKeyManager)km; |
| } else { |
| // throw exception, we don't want to silently use the |
| // dummy keymanager without telling the user. |
| throw new KeyManagementException |
| ("FIPS mode: only SunJSSE KeyManagers may be used"); |
| } |
| } |
| if (km instanceof X509ExtendedKeyManager) { |
| return (X509ExtendedKeyManager)km; |
| } |
| if (debug != null && Debug.isOn("sslctx")) { |
| System.out.println( |
| "X509KeyManager passed to " + |
| "SSLContext.init(): need an " + |
| "X509ExtendedKeyManager for SSLEngine use"); |
| } |
| return new AbstractKeyManagerWrapper((X509KeyManager)km); |
| } |
| |
| // nothing found, return a dummy X509ExtendedKeyManager |
| return DummyX509KeyManager.INSTANCE; |
| } |
| |
| @Override |
| protected SSLSocketFactory engineGetSocketFactory() { |
| if (!isInitialized) { |
| throw new IllegalStateException( |
| "SSLContextImpl is not initialized"); |
| } |
| return new SSLSocketFactoryImpl(this); |
| } |
| |
| @Override |
| protected SSLServerSocketFactory engineGetServerSocketFactory() { |
| if (!isInitialized) { |
| throw new IllegalStateException("SSLContext is not initialized"); |
| } |
| return new SSLServerSocketFactoryImpl(this); |
| } |
| |
| @Override |
| protected SSLEngine engineCreateSSLEngine() { |
| if (!isInitialized) { |
| throw new IllegalStateException( |
| "SSLContextImpl is not initialized"); |
| } |
| return new SSLEngineImpl(this); |
| } |
| |
| @Override |
| protected SSLEngine engineCreateSSLEngine(String host, int port) { |
| if (!isInitialized) { |
| throw new IllegalStateException( |
| "SSLContextImpl is not initialized"); |
| } |
| return new SSLEngineImpl(this, host, port); |
| } |
| |
| @Override |
| protected SSLSessionContext engineGetClientSessionContext() { |
| return clientCache; |
| } |
| |
| @Override |
| protected SSLSessionContext engineGetServerSessionContext() { |
| return serverCache; |
| } |
| |
| SecureRandom getSecureRandom() { |
| return secureRandom; |
| } |
| |
| X509ExtendedKeyManager getX509KeyManager() { |
| return keyManager; |
| } |
| |
| X509TrustManager getX509TrustManager() { |
| return trustManager; |
| } |
| |
| EphemeralKeyManager getEphemeralKeyManager() { |
| return ephemeralKeyManager; |
| } |
| |
| abstract SSLParameters getDefaultServerSSLParams(); |
| abstract SSLParameters getDefaultClientSSLParams(); |
| abstract SSLParameters getSupportedSSLParams(); |
| |
| // Get supported ProtocolList. |
| ProtocolList getSuportedProtocolList() { |
| if (supportedProtocolList == null) { |
| supportedProtocolList = |
| new ProtocolList(getSupportedSSLParams().getProtocols()); |
| } |
| |
| return supportedProtocolList; |
| } |
| |
| // Get default ProtocolList. |
| ProtocolList getDefaultProtocolList(boolean roleIsServer) { |
| if (roleIsServer) { |
| if (defaultServerProtocolList == null) { |
| defaultServerProtocolList = new ProtocolList( |
| getDefaultServerSSLParams().getProtocols()); |
| } |
| |
| return defaultServerProtocolList; |
| } else { |
| if (defaultClientProtocolList == null) { |
| defaultClientProtocolList = new ProtocolList( |
| getDefaultClientSSLParams().getProtocols()); |
| } |
| |
| return defaultClientProtocolList; |
| } |
| } |
| |
| // Get supported CipherSuiteList. |
| CipherSuiteList getSupportedCipherSuiteList() { |
| // The maintenance of cipher suites needs to be synchronized. |
| synchronized (this) { |
| // Clear cache of available ciphersuites. |
| clearAvailableCache(); |
| |
| if (supportedCipherSuiteList == null) { |
| supportedCipherSuiteList = getApplicableCipherSuiteList( |
| getSuportedProtocolList(), false); |
| } |
| |
| return supportedCipherSuiteList; |
| } |
| } |
| |
| // Get default CipherSuiteList. |
| CipherSuiteList getDefaultCipherSuiteList(boolean roleIsServer) { |
| // The maintenance of cipher suites needs to be synchronized. |
| synchronized (this) { |
| // Clear cache of available ciphersuites. |
| clearAvailableCache(); |
| |
| if (roleIsServer) { |
| if (defaultServerCipherSuiteList == null) { |
| defaultServerCipherSuiteList = getApplicableCipherSuiteList( |
| getDefaultProtocolList(true), true); |
| } |
| |
| return defaultServerCipherSuiteList; |
| } else { |
| if (defaultClientCipherSuiteList == null) { |
| defaultClientCipherSuiteList = getApplicableCipherSuiteList( |
| getDefaultProtocolList(false), true); |
| } |
| |
| return defaultClientCipherSuiteList; |
| } |
| } |
| } |
| |
| /** |
| * Return whether a protocol list is the original default enabled |
| * protocols. See: SSLSocket/SSLEngine.setEnabledProtocols() |
| */ |
| boolean isDefaultProtocolList(ProtocolList protocols) { |
| return (protocols == defaultServerProtocolList) || |
| (protocols == defaultClientProtocolList); |
| } |
| |
| |
| /* |
| * Return the list of all available CipherSuites with a priority of |
| * minPriority or above. |
| */ |
| private CipherSuiteList getApplicableCipherSuiteList( |
| ProtocolList protocols, boolean onlyEnabled) { |
| |
| int minPriority = CipherSuite.SUPPORTED_SUITES_PRIORITY; |
| if (onlyEnabled) { |
| minPriority = CipherSuite.DEFAULT_SUITES_PRIORITY; |
| } |
| |
| Collection<CipherSuite> allowedCipherSuites = |
| CipherSuite.allowedCipherSuites(); |
| |
| TreeSet<CipherSuite> suites = new TreeSet<>(); |
| if (!(protocols.collection().isEmpty()) && |
| protocols.min.v != ProtocolVersion.NONE.v) { |
| for (CipherSuite suite : allowedCipherSuites) { |
| if (!suite.allowed || suite.priority < minPriority) { |
| continue; |
| } |
| |
| if (suite.isAvailable() && |
| suite.obsoleted > protocols.min.v && |
| suite.supported <= protocols.max.v) { |
| if (SSLAlgorithmConstraints.DEFAULT.permits( |
| EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), |
| suite.name, null)) { |
| suites.add(suite); |
| } |
| } else if (debug != null && |
| Debug.isOn("sslctx") && Debug.isOn("verbose")) { |
| if (suite.obsoleted <= protocols.min.v) { |
| System.out.println( |
| "Ignoring obsoleted cipher suite: " + suite); |
| } else if (suite.supported > protocols.max.v) { |
| System.out.println( |
| "Ignoring unsupported cipher suite: " + suite); |
| } else { |
| System.out.println( |
| "Ignoring unavailable cipher suite: " + suite); |
| } |
| } |
| } |
| } |
| |
| return new CipherSuiteList(suites); |
| } |
| |
| /** |
| * Clear cache of available ciphersuites. If we support all ciphers |
| * internally, there is no need to clear the cache and calling this |
| * method has no effect. |
| * |
| * Note that every call to clearAvailableCache() and the maintenance of |
| * cipher suites need to be synchronized with this instance. |
| */ |
| private void clearAvailableCache() { |
| if (CipherSuite.DYNAMIC_AVAILABILITY) { |
| supportedCipherSuiteList = null; |
| defaultServerCipherSuiteList = null; |
| defaultClientCipherSuiteList = null; |
| CipherSuite.BulkCipher.clearAvailableCache(); |
| JsseJce.clearEcAvailable(); |
| } |
| } |
| |
| /* |
| * The SSLContext implementation for TLS/SSL algorithm |
| * |
| * SSL/TLS protocols specify the forward compatibility and version |
| * roll-back attack protections, however, a number of SSL/TLS server |
| * vendors did not implement these aspects properly, and some current |
| * SSL/TLS servers may refuse to talk to a TLS 1.1 or later client. |
| * |
| * Considering above interoperability issues, SunJSSE will not set |
| * TLS 1.1 and TLS 1.2 as the enabled protocols for client by default. |
| * |
| * For SSL/TLS servers, there is no such interoperability issues as |
| * SSL/TLS clients. In SunJSSE, TLS 1.1 or later version will be the |
| * enabled protocols for server by default. |
| * |
| * We may change the behavior when popular TLS/SSL vendors support TLS |
| * forward compatibility properly. |
| * |
| * SSLv2Hello is no longer necessary. This interoperability option was |
| * put in place in the late 90's when SSLv3/TLS1.0 were relatively new |
| * and there were a fair number of SSLv2-only servers deployed. Because |
| * of the security issues in SSLv2, it is rarely (if ever) used, as |
| * deployments should now be using SSLv3 and TLSv1. |
| * |
| * Considering the issues of SSLv2Hello, we should not enable SSLv2Hello |
| * by default. Applications still can use it by enabling SSLv2Hello with |
| * the series of setEnabledProtocols APIs. |
| */ |
| |
| /* |
| * The base abstract SSLContext implementation. |
| * |
| * This abstract class encapsulates supported and the default server |
| * SSL parameters. |
| * |
| * @see SSLContext |
| */ |
| private abstract static class AbstractSSLContext extends SSLContextImpl { |
| // parameters |
| private static final SSLParameters defaultServerSSLParams; |
| private static final SSLParameters supportedSSLParams; |
| |
| static { |
| // supported SSL parameters |
| supportedSSLParams = new SSLParameters(); |
| |
| // candidates for available protocols |
| ProtocolVersion[] candidates; |
| |
| if (SunJSSE.isFIPS()) { |
| supportedSSLParams.setProtocols(new String[] { |
| ProtocolVersion.TLS10.name, |
| ProtocolVersion.TLS11.name, |
| ProtocolVersion.TLS12.name |
| }); |
| |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11, |
| ProtocolVersion.TLS12 |
| }; |
| } else { |
| supportedSSLParams.setProtocols(new String[] { |
| ProtocolVersion.SSL20Hello.name, |
| ProtocolVersion.SSL30.name, |
| ProtocolVersion.TLS10.name, |
| ProtocolVersion.TLS11.name, |
| ProtocolVersion.TLS12.name |
| }); |
| |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.SSL20Hello, |
| ProtocolVersion.SSL30, |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11, |
| ProtocolVersion.TLS12 |
| }; |
| } |
| |
| defaultServerSSLParams = new SSLParameters(); |
| defaultServerSSLParams.setProtocols( |
| getAvailableProtocols(candidates).toArray(new String[0])); |
| } |
| |
| @Override |
| SSLParameters getDefaultServerSSLParams() { |
| return defaultServerSSLParams; |
| } |
| |
| @Override |
| SSLParameters getSupportedSSLParams() { |
| return supportedSSLParams; |
| } |
| |
| static List<String> getAvailableProtocols( |
| ProtocolVersion[] protocolCandidates) { |
| |
| List<String> availableProtocols = Collections.<String>emptyList(); |
| if (protocolCandidates != null && protocolCandidates.length != 0) { |
| availableProtocols = new ArrayList<>(protocolCandidates.length); |
| for (ProtocolVersion p : protocolCandidates) { |
| if (ProtocolVersion.availableProtocols.contains(p)) { |
| availableProtocols.add(p.name); |
| } |
| } |
| } |
| |
| return availableProtocols; |
| } |
| } |
| |
| /* |
| * The SSLContext implementation for SSLv3 and TLS10 algorithm |
| * |
| * @see SSLContext |
| */ |
| public static final class TLS10Context extends AbstractSSLContext { |
| private static final SSLParameters defaultClientSSLParams; |
| |
| static { |
| // candidates for available protocols |
| ProtocolVersion[] candidates; |
| if (SunJSSE.isFIPS()) { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.TLS10 |
| }; |
| } else { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.SSL30, |
| ProtocolVersion.TLS10 |
| }; |
| } |
| |
| defaultClientSSLParams = new SSLParameters(); |
| defaultClientSSLParams.setProtocols( |
| getAvailableProtocols(candidates).toArray(new String[0])); |
| } |
| |
| @Override |
| SSLParameters getDefaultClientSSLParams() { |
| return defaultClientSSLParams; |
| } |
| } |
| |
| /* |
| * The SSLContext implementation for TLS11 algorithm |
| * |
| * @see SSLContext |
| */ |
| public static final class TLS11Context extends AbstractSSLContext { |
| private static final SSLParameters defaultClientSSLParams; |
| |
| static { |
| // candidates for available protocols |
| ProtocolVersion[] candidates; |
| if (SunJSSE.isFIPS()) { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11 |
| }; |
| } else { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.SSL30, |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11 |
| }; |
| } |
| |
| defaultClientSSLParams = new SSLParameters(); |
| defaultClientSSLParams.setProtocols( |
| getAvailableProtocols(candidates).toArray(new String[0])); |
| } |
| |
| @Override |
| SSLParameters getDefaultClientSSLParams() { |
| return defaultClientSSLParams; |
| } |
| } |
| |
| /* |
| * The SSLContext implementation for TLS12 algorithm |
| * |
| * @see SSLContext |
| */ |
| public static final class TLS12Context extends AbstractSSLContext { |
| private static final SSLParameters defaultClientSSLParams; |
| |
| static { |
| // candidates for available protocols |
| ProtocolVersion[] candidates; |
| if (SunJSSE.isFIPS()) { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11, |
| ProtocolVersion.TLS12 |
| }; |
| } else { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.SSL30, |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11, |
| ProtocolVersion.TLS12 |
| }; |
| } |
| |
| defaultClientSSLParams = new SSLParameters(); |
| defaultClientSSLParams.setProtocols( |
| getAvailableProtocols(candidates).toArray(new String[0])); |
| } |
| |
| @Override |
| SSLParameters getDefaultClientSSLParams() { |
| return defaultClientSSLParams; |
| } |
| } |
| |
| /* |
| * The SSLContext implementation for customized TLS protocols |
| * |
| * @see SSLContext |
| */ |
| private static class CustomizedSSLContext extends AbstractSSLContext { |
| private static final String PROPERTY_NAME = "jdk.tls.client.protocols"; |
| private static final SSLParameters defaultClientSSLParams; |
| private static IllegalArgumentException reservedException = null; |
| |
| // Don't want a java.lang.LinkageError for illegal system property. |
| // |
| // Please don't throw exception in this static block. Otherwise, |
| // java.lang.LinkageError may be thrown during the instantiation of |
| // the provider service. Instead, let's handle the initialization |
| // exception in constructor. |
| static { |
| // candidates for available protocols |
| ProtocolVersion[] candidates; |
| |
| String property = AccessController.doPrivileged( |
| new GetPropertyAction(PROPERTY_NAME)); |
| if (property == null || property.length() == 0) { |
| // the default enabled client TLS protocols |
| if (SunJSSE.isFIPS()) { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11, |
| ProtocolVersion.TLS12 |
| }; |
| } else { |
| candidates = new ProtocolVersion[] { |
| ProtocolVersion.SSL30, |
| ProtocolVersion.TLS10, |
| ProtocolVersion.TLS11, |
| ProtocolVersion.TLS12 |
| }; |
| } |
| } else { |
| // remove double quote marks from beginning/end of the property |
| if (property.length() > 1 && property.charAt(0) == '"' && |
| property.charAt(property.length() - 1) == '"') { |
| property = property.substring(1, property.length() - 1); |
| } |
| |
| String[] protocols = null; |
| if (property != null && property.length() != 0) { |
| protocols = property.split(","); |
| } else { |
| reservedException = new IllegalArgumentException( |
| "No protocol specified in " + |
| PROPERTY_NAME + " system property"); |
| protocols = new String[0]; |
| } |
| |
| candidates = new ProtocolVersion[protocols.length]; |
| for (int i = 0; i < protocols.length; i++) { |
| protocols[i] = protocols[i].trim(); |
| // Is it a supported protocol name? |
| try { |
| candidates[i] = ProtocolVersion.valueOf(protocols[i]); |
| } catch (IllegalArgumentException iae) { |
| reservedException = new IllegalArgumentException( |
| PROPERTY_NAME + ": " + protocols[i] + |
| " is not a standard SSL/TLS protocol name", iae); |
| break; |
| } |
| } |
| |
| if ((reservedException == null) && SunJSSE.isFIPS()) { |
| for (ProtocolVersion protocolVersion : candidates) { |
| if (ProtocolVersion.SSL20Hello.v == protocolVersion.v || |
| ProtocolVersion.SSL30.v == protocolVersion.v) { |
| reservedException = new IllegalArgumentException( |
| PROPERTY_NAME + ": " + protocolVersion + |
| " is not FIPS compliant"); |
| } |
| } |
| } |
| } |
| |
| defaultClientSSLParams = new SSLParameters(); |
| if (reservedException == null) { |
| defaultClientSSLParams.setProtocols( |
| getAvailableProtocols(candidates).toArray(new String[0])); |
| } |
| } |
| |
| protected CustomizedSSLContext() { |
| if (reservedException != null) { |
| throw reservedException; |
| } |
| } |
| |
| @Override |
| SSLParameters getDefaultClientSSLParams() { |
| return defaultClientSSLParams; |
| } |
| } |
| |
| /* |
| * The SSLContext implementation for default "TLS" algorithm |
| * |
| * @see SSLContext |
| */ |
| public static final class TLSContext extends CustomizedSSLContext { |
| // use the default constructor and methods |
| } |
| |
| /* |
| * The SSLContext implementation for default "Default" algorithm |
| * |
| * @see SSLContext |
| */ |
| public static final class DefaultSSLContext extends CustomizedSSLContext { |
| private static final String NONE = "NONE"; |
| private static final String P11KEYSTORE = "PKCS11"; |
| |
| private static volatile SSLContextImpl defaultImpl; |
| |
| private static TrustManager[] defaultTrustManagers; |
| private static KeyManager[] defaultKeyManagers; |
| |
| public DefaultSSLContext() throws Exception { |
| try { |
| super.engineInit(getDefaultKeyManager(), |
| getDefaultTrustManager(), null); |
| } catch (Exception e) { |
| if (debug != null && Debug.isOn("defaultctx")) { |
| System.out.println("default context init failed: " + e); |
| } |
| throw e; |
| } |
| |
| if (defaultImpl == null) { |
| defaultImpl = this; |
| } |
| } |
| |
| @Override |
| protected void engineInit(KeyManager[] km, TrustManager[] tm, |
| SecureRandom sr) throws KeyManagementException { |
| throw new KeyManagementException |
| ("Default SSLContext is initialized automatically"); |
| } |
| |
| static synchronized SSLContextImpl getDefaultImpl() throws Exception { |
| if (defaultImpl == null) { |
| new DefaultSSLContext(); |
| } |
| return defaultImpl; |
| } |
| |
| private static synchronized TrustManager[] getDefaultTrustManager() |
| throws Exception { |
| if (defaultTrustManagers != null) { |
| return defaultTrustManagers; |
| } |
| |
| KeyStore ks = |
| TrustManagerFactoryImpl.getCacertsKeyStore("defaultctx"); |
| |
| TrustManagerFactory tmf = TrustManagerFactory.getInstance( |
| TrustManagerFactory.getDefaultAlgorithm()); |
| tmf.init(ks); |
| defaultTrustManagers = tmf.getTrustManagers(); |
| return defaultTrustManagers; |
| } |
| |
| private static synchronized KeyManager[] getDefaultKeyManager() |
| throws Exception { |
| if (defaultKeyManagers != null) { |
| return defaultKeyManagers; |
| } |
| |
| final Map<String,String> props = new HashMap<>(); |
| AccessController.doPrivileged( |
| new PrivilegedExceptionAction<Object>() { |
| @Override |
| public Object run() throws Exception { |
| props.put("keyStore", System.getProperty( |
| "javax.net.ssl.keyStore", "")); |
| props.put("keyStoreType", System.getProperty( |
| "javax.net.ssl.keyStoreType", |
| KeyStore.getDefaultType())); |
| props.put("keyStoreProvider", System.getProperty( |
| "javax.net.ssl.keyStoreProvider", "")); |
| props.put("keyStorePasswd", System.getProperty( |
| "javax.net.ssl.keyStorePassword", "")); |
| return null; |
| } |
| }); |
| |
| final String defaultKeyStore = props.get("keyStore"); |
| String defaultKeyStoreType = props.get("keyStoreType"); |
| String defaultKeyStoreProvider = props.get("keyStoreProvider"); |
| if (debug != null && Debug.isOn("defaultctx")) { |
| System.out.println("keyStore is : " + defaultKeyStore); |
| System.out.println("keyStore type is : " + |
| defaultKeyStoreType); |
| System.out.println("keyStore provider is : " + |
| defaultKeyStoreProvider); |
| } |
| |
| if (P11KEYSTORE.equals(defaultKeyStoreType) && |
| !NONE.equals(defaultKeyStore)) { |
| throw new IllegalArgumentException("if keyStoreType is " |
| + P11KEYSTORE + ", then keyStore must be " + NONE); |
| } |
| |
| FileInputStream fs = null; |
| KeyStore ks = null; |
| char[] passwd = null; |
| try { |
| if (defaultKeyStore.length() != 0 && |
| !NONE.equals(defaultKeyStore)) { |
| fs = AccessController.doPrivileged( |
| new PrivilegedExceptionAction<FileInputStream>() { |
| @Override |
| public FileInputStream run() throws Exception { |
| return new FileInputStream(defaultKeyStore); |
| } |
| }); |
| } |
| |
| String defaultKeyStorePassword = props.get("keyStorePasswd"); |
| if (defaultKeyStorePassword.length() != 0) { |
| passwd = defaultKeyStorePassword.toCharArray(); |
| } |
| |
| /** |
| * Try to initialize key store. |
| */ |
| if ((defaultKeyStoreType.length()) != 0) { |
| if (debug != null && Debug.isOn("defaultctx")) { |
| System.out.println("init keystore"); |
| } |
| if (defaultKeyStoreProvider.length() == 0) { |
| ks = KeyStore.getInstance(defaultKeyStoreType); |
| } else { |
| ks = KeyStore.getInstance(defaultKeyStoreType, |
| defaultKeyStoreProvider); |
| } |
| |
| // if defaultKeyStore is NONE, fs will be null |
| ks.load(fs, passwd); |
| } |
| } finally { |
| if (fs != null) { |
| fs.close(); |
| fs = null; |
| } |
| } |
| |
| /* |
| * Try to initialize key manager. |
| */ |
| if (debug != null && Debug.isOn("defaultctx")) { |
| System.out.println("init keymanager of type " + |
| KeyManagerFactory.getDefaultAlgorithm()); |
| } |
| KeyManagerFactory kmf = KeyManagerFactory.getInstance( |
| KeyManagerFactory.getDefaultAlgorithm()); |
| |
| if (P11KEYSTORE.equals(defaultKeyStoreType)) { |
| kmf.init(ks, null); // do not pass key passwd if using token |
| } else { |
| kmf.init(ks, passwd); |
| } |
| |
| defaultKeyManagers = kmf.getKeyManagers(); |
| return defaultKeyManagers; |
| } |
| } |
| |
| } |
| |
| |
| final class AbstractTrustManagerWrapper extends X509ExtendedTrustManager |
| implements X509TrustManager { |
| |
| // the delegated trust manager |
| private final X509TrustManager tm; |
| |
| AbstractTrustManagerWrapper(X509TrustManager tm) { |
| this.tm = tm; |
| } |
| |
| @Override |
| public void checkClientTrusted(X509Certificate[] chain, String authType) |
| throws CertificateException { |
| tm.checkClientTrusted(chain, authType); |
| } |
| |
| @Override |
| public void checkServerTrusted(X509Certificate[] chain, String authType) |
| throws CertificateException { |
| tm.checkServerTrusted(chain, authType); |
| } |
| |
| @Override |
| public X509Certificate[] getAcceptedIssuers() { |
| return tm.getAcceptedIssuers(); |
| } |
| |
| @Override |
| public void checkClientTrusted(X509Certificate[] chain, String authType, |
| Socket socket) throws CertificateException { |
| tm.checkClientTrusted(chain, authType); |
| checkAdditionalTrust(chain, authType, socket, true); |
| } |
| |
| @Override |
| public void checkServerTrusted(X509Certificate[] chain, String authType, |
| Socket socket) throws CertificateException { |
| tm.checkServerTrusted(chain, authType); |
| checkAdditionalTrust(chain, authType, socket, false); |
| } |
| |
| @Override |
| public void checkClientTrusted(X509Certificate[] chain, String authType, |
| SSLEngine engine) throws CertificateException { |
| tm.checkClientTrusted(chain, authType); |
| checkAdditionalTrust(chain, authType, engine, true); |
| } |
| |
| @Override |
| public void checkServerTrusted(X509Certificate[] chain, String authType, |
| SSLEngine engine) throws CertificateException { |
| tm.checkServerTrusted(chain, authType); |
| checkAdditionalTrust(chain, authType, engine, false); |
| } |
| |
| private void checkAdditionalTrust(X509Certificate[] chain, String authType, |
| Socket socket, boolean isClient) throws CertificateException { |
| if (socket != null && socket.isConnected() && |
| socket instanceof SSLSocket) { |
| |
| SSLSocket sslSocket = (SSLSocket)socket; |
| SSLSession session = sslSocket.getHandshakeSession(); |
| if (session == null) { |
| throw new CertificateException("No handshake session"); |
| } |
| |
| // check endpoint identity |
| String identityAlg = sslSocket.getSSLParameters(). |
| getEndpointIdentificationAlgorithm(); |
| if (identityAlg != null && identityAlg.length() != 0) { |
| String hostname = session.getPeerHost(); |
| X509TrustManagerImpl.checkIdentity( |
| hostname, chain[0], identityAlg); |
| } |
| |
| // try the best to check the algorithm constraints |
| ProtocolVersion protocolVersion = |
| ProtocolVersion.valueOf(session.getProtocol()); |
| AlgorithmConstraints constraints = null; |
| if (protocolVersion.v >= ProtocolVersion.TLS12.v) { |
| if (session instanceof ExtendedSSLSession) { |
| ExtendedSSLSession extSession = |
| (ExtendedSSLSession)session; |
| String[] peerSupportedSignAlgs = |
| extSession.getLocalSupportedSignatureAlgorithms(); |
| |
| constraints = new SSLAlgorithmConstraints( |
| sslSocket, peerSupportedSignAlgs, true); |
| } else { |
| constraints = |
| new SSLAlgorithmConstraints(sslSocket, true); |
| } |
| } else { |
| constraints = new SSLAlgorithmConstraints(sslSocket, true); |
| } |
| |
| checkAlgorithmConstraints(chain, constraints); |
| } |
| } |
| |
| private void checkAdditionalTrust(X509Certificate[] chain, String authType, |
| SSLEngine engine, boolean isClient) throws CertificateException { |
| if (engine != null) { |
| SSLSession session = engine.getHandshakeSession(); |
| if (session == null) { |
| throw new CertificateException("No handshake session"); |
| } |
| |
| // check endpoint identity |
| String identityAlg = engine.getSSLParameters(). |
| getEndpointIdentificationAlgorithm(); |
| if (identityAlg != null && identityAlg.length() != 0) { |
| String hostname = session.getPeerHost(); |
| X509TrustManagerImpl.checkIdentity( |
| hostname, chain[0], identityAlg); |
| } |
| |
| // try the best to check the algorithm constraints |
| ProtocolVersion protocolVersion = |
| ProtocolVersion.valueOf(session.getProtocol()); |
| AlgorithmConstraints constraints = null; |
| if (protocolVersion.v >= ProtocolVersion.TLS12.v) { |
| if (session instanceof ExtendedSSLSession) { |
| ExtendedSSLSession extSession = |
| (ExtendedSSLSession)session; |
| String[] peerSupportedSignAlgs = |
| extSession.getLocalSupportedSignatureAlgorithms(); |
| |
| constraints = new SSLAlgorithmConstraints( |
| engine, peerSupportedSignAlgs, true); |
| } else { |
| constraints = |
| new SSLAlgorithmConstraints(engine, true); |
| } |
| } else { |
| constraints = new SSLAlgorithmConstraints(engine, true); |
| } |
| |
| checkAlgorithmConstraints(chain, constraints); |
| } |
| } |
| |
| private void checkAlgorithmConstraints(X509Certificate[] chain, |
| AlgorithmConstraints constraints) throws CertificateException { |
| |
| try { |
| // Does the certificate chain end with a trusted certificate? |
| int checkedLength = chain.length - 1; |
| |
| Collection<X509Certificate> trustedCerts = new HashSet<>(); |
| X509Certificate[] certs = tm.getAcceptedIssuers(); |
| if ((certs != null) && (certs.length > 0)){ |
| Collections.addAll(trustedCerts, certs); |
| } |
| |
| if (trustedCerts.contains(chain[checkedLength])) { |
| checkedLength--; |
| } |
| |
| // A forward checker, need to check from trust to target |
| if (checkedLength >= 0) { |
| AlgorithmChecker checker = new AlgorithmChecker(constraints); |
| checker.init(false); |
| for (int i = checkedLength; i >= 0; i--) { |
| Certificate cert = chain[i]; |
| // We don't care about the unresolved critical extensions. |
| checker.check(cert, Collections.<String>emptySet()); |
| } |
| } |
| } catch (CertPathValidatorException cpve) { |
| throw new CertificateException( |
| "Certificates does not conform to algorithm constraints"); |
| } |
| } |
| } |
| |
| // Dummy X509TrustManager implementation, rejects all peer certificates. |
| // Used if the application did not specify a proper X509TrustManager. |
| final class DummyX509TrustManager extends X509ExtendedTrustManager |
| implements X509TrustManager { |
| |
| static final X509TrustManager INSTANCE = new DummyX509TrustManager(); |
| |
| private DummyX509TrustManager() { |
| // empty |
| } |
| |
| /* |
| * Given the partial or complete certificate chain |
| * provided by the peer, build a certificate path |
| * to a trusted root and return if it can be |
| * validated and is trusted for client SSL authentication. |
| * If not, it throws an exception. |
| */ |
| @Override |
| public void checkClientTrusted(X509Certificate[] chain, String authType) |
| throws CertificateException { |
| throw new CertificateException( |
| "No X509TrustManager implementation avaiable"); |
| } |
| |
| /* |
| * Given the partial or complete certificate chain |
| * provided by the peer, build a certificate path |
| * to a trusted root and return if it can be |
| * validated and is trusted for server SSL authentication. |
| * If not, it throws an exception. |
| */ |
| @Override |
| public void checkServerTrusted(X509Certificate[] chain, String authType) |
| throws CertificateException { |
| throw new CertificateException( |
| "No X509TrustManager implementation available"); |
| } |
| |
| /* |
| * Return an array of issuer certificates which are trusted |
| * for authenticating peers. |
| */ |
| @Override |
| public X509Certificate[] getAcceptedIssuers() { |
| return new X509Certificate[0]; |
| } |
| |
| @Override |
| public void checkClientTrusted(X509Certificate[] chain, String authType, |
| Socket socket) throws CertificateException { |
| throw new CertificateException( |
| "No X509TrustManager implementation available"); |
| } |
| |
| @Override |
| public void checkServerTrusted(X509Certificate[] chain, String authType, |
| Socket socket) throws CertificateException { |
| throw new CertificateException( |
| "No X509TrustManager implementation available"); |
| } |
| |
| @Override |
| public void checkClientTrusted(X509Certificate[] chain, String authType, |
| SSLEngine engine) throws CertificateException { |
| throw new CertificateException( |
| "No X509TrustManager implementation available"); |
| } |
| |
| @Override |
| public void checkServerTrusted(X509Certificate[] chain, String authType, |
| SSLEngine engine) throws CertificateException { |
| throw new CertificateException( |
| "No X509TrustManager implementation available"); |
| } |
| } |
| |
| /* |
| * A wrapper class to turn a X509KeyManager into an X509ExtendedKeyManager |
| */ |
| final class AbstractKeyManagerWrapper extends X509ExtendedKeyManager { |
| |
| private final X509KeyManager km; |
| |
| AbstractKeyManagerWrapper(X509KeyManager km) { |
| this.km = km; |
| } |
| |
| @Override |
| public String[] getClientAliases(String keyType, Principal[] issuers) { |
| return km.getClientAliases(keyType, issuers); |
| } |
| |
| @Override |
| public String chooseClientAlias(String[] keyType, Principal[] issuers, |
| Socket socket) { |
| return km.chooseClientAlias(keyType, issuers, socket); |
| } |
| |
| @Override |
| public String[] getServerAliases(String keyType, Principal[] issuers) { |
| return km.getServerAliases(keyType, issuers); |
| } |
| |
| @Override |
| public String chooseServerAlias(String keyType, Principal[] issuers, |
| Socket socket) { |
| return km.chooseServerAlias(keyType, issuers, socket); |
| } |
| |
| @Override |
| public X509Certificate[] getCertificateChain(String alias) { |
| return km.getCertificateChain(alias); |
| } |
| |
| @Override |
| public PrivateKey getPrivateKey(String alias) { |
| return km.getPrivateKey(alias); |
| } |
| |
| // Inherit chooseEngineClientAlias() and chooseEngineServerAlias() from |
| // X509ExtendedKeymanager. It defines them to return null; |
| } |
| |
| |
| // Dummy X509KeyManager implementation, never returns any certificates/keys. |
| // Used if the application did not specify a proper X509TrustManager. |
| final class DummyX509KeyManager extends X509ExtendedKeyManager { |
| |
| static final X509ExtendedKeyManager INSTANCE = new DummyX509KeyManager(); |
| |
| private DummyX509KeyManager() { |
| // empty |
| } |
| |
| /* |
| * Get the matching aliases for authenticating the client side of a secure |
| * socket given the public key type and the list of |
| * certificate issuer authorities recognized by the peer (if any). |
| */ |
| @Override |
| public String[] getClientAliases(String keyType, Principal[] issuers) { |
| return null; |
| } |
| |
| /* |
| * Choose an alias to authenticate the client side of a secure |
| * socket given the public key type and the list of |
| * certificate issuer authorities recognized by the peer (if any). |
| */ |
| @Override |
| public String chooseClientAlias(String[] keyTypes, Principal[] issuers, |
| Socket socket) { |
| return null; |
| } |
| |
| /* |
| * Choose an alias to authenticate the client side of an |
| * engine given the public key type and the list of |
| * certificate issuer authorities recognized by the peer (if any). |
| */ |
| @Override |
| public String chooseEngineClientAlias( |
| String[] keyTypes, Principal[] issuers, SSLEngine engine) { |
| return null; |
| } |
| |
| /* |
| * Get the matching aliases for authenticating the server side of a secure |
| * socket given the public key type and the list of |
| * certificate issuer authorities recognized by the peer (if any). |
| */ |
| @Override |
| public String[] getServerAliases(String keyType, Principal[] issuers) { |
| return null; |
| } |
| |
| /* |
| * Choose an alias to authenticate the server side of a secure |
| * socket given the public key type and the list of |
| * certificate issuer authorities recognized by the peer (if any). |
| */ |
| @Override |
| public String chooseServerAlias(String keyType, Principal[] issuers, |
| Socket socket) { |
| return null; |
| } |
| |
| /* |
| * Choose an alias to authenticate the server side of an engine |
| * given the public key type and the list of |
| * certificate issuer authorities recognized by the peer (if any). |
| */ |
| @Override |
| public String chooseEngineServerAlias( |
| String keyType, Principal[] issuers, SSLEngine engine) { |
| return null; |
| } |
| |
| /** |
| * Returns the certificate chain associated with the given alias. |
| * |
| * @param alias the alias name |
| * |
| * @return the certificate chain (ordered with the user's certificate first |
| * and the root certificate authority last) |
| */ |
| @Override |
| public X509Certificate[] getCertificateChain(String alias) { |
| return null; |
| } |
| |
| /* |
| * Returns the key associated with the given alias, using the given |
| * password to recover it. |
| * |
| * @param alias the alias name |
| * |
| * @return the requested key |
| */ |
| @Override |
| public PrivateKey getPrivateKey(String alias) { |
| return null; |
| } |
| } |
