mirror of git://gcc.gnu.org/git/gcc.git
1154 lines
42 KiB
Java
1154 lines
42 KiB
Java
/* ClientHandshake.java --
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is a part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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USA
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.javax.net.ssl.provider;
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import static gnu.javax.net.ssl.provider.ClientHandshake.State.*;
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import static gnu.javax.net.ssl.provider.KeyExchangeAlgorithm.*;
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import gnu.classpath.debug.Component;
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import gnu.java.security.action.GetSecurityPropertyAction;
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import gnu.javax.crypto.key.dh.GnuDHPublicKey;
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import gnu.javax.net.ssl.AbstractSessionContext;
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import gnu.javax.net.ssl.Session;
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import gnu.javax.net.ssl.provider.Alert.Description;
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import gnu.javax.net.ssl.provider.Alert.Level;
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import gnu.javax.net.ssl.provider.CertificateRequest.ClientCertificateType;
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import gnu.javax.net.ssl.provider.ServerNameList.NameType;
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import gnu.javax.net.ssl.provider.ServerNameList.ServerName;
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import java.nio.ByteBuffer;
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import java.security.AccessController;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.security.PrivateKey;
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import java.security.SignatureException;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.zip.Deflater;
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import java.util.zip.Inflater;
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.interfaces.DHPrivateKey;
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import javax.crypto.interfaces.DHPublicKey;
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import javax.crypto.spec.DHParameterSpec;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLPeerUnverifiedException;
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import javax.net.ssl.X509ExtendedKeyManager;
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import javax.net.ssl.SSLEngineResult.HandshakeStatus;
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import javax.security.auth.x500.X500Principal;
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/**
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* @author Casey Marshall (csm@gnu.org)
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*/
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public class ClientHandshake extends AbstractHandshake
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{
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static enum State
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{
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WRITE_CLIENT_HELLO (false, true),
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READ_SERVER_HELLO (true, false),
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READ_CERTIFICATE (true, false),
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READ_SERVER_KEY_EXCHANGE (true, false),
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READ_CERTIFICATE_REQUEST (true, false),
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READ_SERVER_HELLO_DONE (true, false),
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WRITE_CERTIFICATE (false, true),
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WRITE_CLIENT_KEY_EXCHANGE (false, true),
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WRITE_CERTIFICATE_VERIFY (false, true),
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WRITE_FINISHED (false, true),
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READ_FINISHED (true, false),
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DONE (false, false);
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private final boolean isWriteState;
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private final boolean isReadState;
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private State(boolean isReadState, boolean isWriteState)
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{
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this.isReadState = isReadState;
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this.isWriteState = isWriteState;
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}
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boolean isReadState()
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{
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return isReadState;
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}
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boolean isWriteState()
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{
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return isWriteState;
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}
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}
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private State state;
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private ByteBuffer outBuffer;
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private boolean continuedSession;
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private SessionImpl continued;
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private KeyPair dhPair;
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private String keyAlias;
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private PrivateKey privateKey;
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private MaxFragmentLength maxFragmentLengthSent;
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private boolean truncatedHMacSent;
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private ProtocolVersion sentVersion;
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// Delegated tasks.
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private CertVerifier certVerifier;
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private ParamsVerifier paramsVerifier;
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private DelegatedTask keyExchange;
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private CertLoader certLoader;
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private GenCertVerify genCertVerify;
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public ClientHandshake(SSLEngineImpl engine) throws NoSuchAlgorithmException
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{
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super(engine);
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state = WRITE_CLIENT_HELLO;
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continuedSession = false;
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}
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/* (non-Javadoc)
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* @see gnu.javax.net.ssl.provider.AbstractHandshake#implHandleInput()
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*/
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@Override protected HandshakeStatus implHandleInput() throws SSLException
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{
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if (state == DONE)
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return HandshakeStatus.FINISHED;
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if (state.isWriteState()
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|| (outBuffer != null && outBuffer.hasRemaining()))
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return HandshakeStatus.NEED_WRAP;
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// Copy the current buffer, and prepare it for reading.
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ByteBuffer buffer = handshakeBuffer.duplicate ();
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buffer.flip();
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buffer.position(handshakeOffset);
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Handshake handshake = new Handshake(buffer.slice(),
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engine.session().suite,
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engine.session().version);
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if (Debug.DEBUG)
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logger.logv(Component.SSL_HANDSHAKE, "processing in state {0}:\n{1}",
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state, handshake);
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switch (state)
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{
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// Server Hello.
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case READ_SERVER_HELLO:
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{
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if (handshake.type() != Handshake.Type.SERVER_HELLO)
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throw new AlertException(new Alert(Alert.Level.FATAL,
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Alert.Description.UNEXPECTED_MESSAGE));
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ServerHello hello = (ServerHello) handshake.body();
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serverRandom = hello.random().copy();
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engine.session().suite = hello.cipherSuite();
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engine.session().version = hello.version();
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compression = hello.compressionMethod();
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Session.ID serverId = new Session.ID(hello.sessionId());
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if (continued != null
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&& continued.id().equals(serverId))
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{
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continuedSession = true;
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engine.setSession(continued);
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}
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else if (engine.getEnableSessionCreation())
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{
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((AbstractSessionContext) engine.contextImpl
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.engineGetClientSessionContext()).put(engine.session());
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}
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ExtensionList extensions = hello.extensions();
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if (extensions != null)
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{
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for (Extension extension : extensions)
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{
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Extension.Type type = extension.type();
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if (type == null)
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continue;
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switch (type)
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{
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case MAX_FRAGMENT_LENGTH:
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MaxFragmentLength mfl
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= (MaxFragmentLength) extension.value();
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if (maxFragmentLengthSent == mfl)
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engine.session().setApplicationBufferSize(mfl.maxLength());
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break;
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case TRUNCATED_HMAC:
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if (truncatedHMacSent)
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engine.session().setTruncatedMac(true);
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break;
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}
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}
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}
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KeyExchangeAlgorithm kex = engine.session().suite.keyExchangeAlgorithm();
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if (continuedSession)
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{
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byte[][] keys = generateKeys(clientRandom, serverRandom,
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engine.session());
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setupSecurityParameters(keys, true, engine, compression);
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state = READ_FINISHED;
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}
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else if (kex == RSA || kex == DH_DSS || kex == DH_RSA
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|| kex == DHE_DSS || kex == DHE_RSA || kex == RSA_PSK)
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state = READ_CERTIFICATE;
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else if (kex == DH_anon || kex == PSK || kex == DHE_PSK)
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state = READ_SERVER_KEY_EXCHANGE;
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else
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state = READ_CERTIFICATE_REQUEST;
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}
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break;
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// Server Certificate.
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case READ_CERTIFICATE:
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{
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if (handshake.type() != Handshake.Type.CERTIFICATE)
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{
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// We need a certificate for non-anonymous suites.
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if (engine.session().suite.signatureAlgorithm() != SignatureAlgorithm.ANONYMOUS)
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throw new AlertException(new Alert(Level.FATAL,
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Description.UNEXPECTED_MESSAGE));
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state = READ_SERVER_KEY_EXCHANGE;
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}
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Certificate cert = (Certificate) handshake.body();
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X509Certificate[] chain = null;
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try
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{
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chain = cert.certificates().toArray(new X509Certificate[0]);
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}
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catch (CertificateException ce)
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{
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throw new AlertException(new Alert(Level.FATAL,
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Description.BAD_CERTIFICATE),
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ce);
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}
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catch (NoSuchAlgorithmException nsae)
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{
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throw new AlertException(new Alert(Level.FATAL,
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Description.UNSUPPORTED_CERTIFICATE),
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nsae);
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}
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engine.session().setPeerCertificates(chain);
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certVerifier = new CertVerifier(true, chain);
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tasks.add(certVerifier);
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// If we are doing an RSA key exchange, generate our parameters.
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KeyExchangeAlgorithm kea = engine.session().suite.keyExchangeAlgorithm();
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if (kea == RSA || kea == RSA_PSK)
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{
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keyExchange = new RSAGen(kea == RSA);
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tasks.add(keyExchange);
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if (kea == RSA)
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state = READ_CERTIFICATE_REQUEST;
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else
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state = READ_SERVER_KEY_EXCHANGE;
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}
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else
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state = READ_SERVER_KEY_EXCHANGE;
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}
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break;
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// Server Key Exchange.
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case READ_SERVER_KEY_EXCHANGE:
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{
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CipherSuite s = engine.session().suite;
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KeyExchangeAlgorithm kexalg = s.keyExchangeAlgorithm();
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// XXX also SRP.
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if (kexalg != DHE_DSS && kexalg != DHE_RSA && kexalg != DH_anon
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&& kexalg != DHE_PSK && kexalg != PSK && kexalg != RSA_PSK)
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throw new AlertException(new Alert(Level.FATAL,
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Description.UNEXPECTED_MESSAGE));
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if (handshake.type() != Handshake.Type.SERVER_KEY_EXCHANGE)
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{
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if (kexalg != RSA_PSK && kexalg != PSK)
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throw new AlertException(new Alert(Level.FATAL,
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Description.UNEXPECTED_MESSAGE));
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state = READ_CERTIFICATE_REQUEST;
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return HandshakeStatus.NEED_UNWRAP;
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}
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ServerKeyExchange skex = (ServerKeyExchange) handshake.body();
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ByteBuffer paramsBuffer = null;
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if (kexalg == DHE_DSS || kexalg == DHE_RSA || kexalg == DH_anon)
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{
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ServerDHParams dhParams = (ServerDHParams) skex.params();
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ByteBuffer b = dhParams.buffer();
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paramsBuffer = ByteBuffer.allocate(b.remaining());
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paramsBuffer.put(b);
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}
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if (s.signatureAlgorithm() != SignatureAlgorithm.ANONYMOUS)
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{
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byte[] signature = skex.signature().signature();
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paramsVerifier = new ParamsVerifier(paramsBuffer, signature);
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tasks.add(paramsVerifier);
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}
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if (kexalg == DHE_DSS || kexalg == DHE_RSA || kexalg == DH_anon)
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{
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ServerDHParams dhParams = (ServerDHParams) skex.params();
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DHPublicKey serverKey = new GnuDHPublicKey(null,
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dhParams.p(),
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dhParams.g(),
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dhParams.y());
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DHParameterSpec params = new DHParameterSpec(dhParams.p(),
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dhParams.g());
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keyExchange = new ClientDHGen(serverKey, params, true);
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tasks.add(keyExchange);
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}
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if (kexalg == DHE_PSK)
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{
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ServerDHE_PSKParameters pskParams = (ServerDHE_PSKParameters)
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skex.params();
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ServerDHParams dhParams = pskParams.params();
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DHPublicKey serverKey = new GnuDHPublicKey(null,
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dhParams.p(),
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dhParams.g(),
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dhParams.y());
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DHParameterSpec params = new DHParameterSpec(dhParams.p(),
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dhParams.g());
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keyExchange = new ClientDHGen(serverKey, params, false);
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tasks.add(keyExchange);
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}
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state = READ_CERTIFICATE_REQUEST;
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}
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break;
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// Certificate Request.
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case READ_CERTIFICATE_REQUEST:
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{
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if (handshake.type() != Handshake.Type.CERTIFICATE_REQUEST)
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{
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state = READ_SERVER_HELLO_DONE;
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return HandshakeStatus.NEED_UNWRAP;
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}
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CertificateRequest req = (CertificateRequest) handshake.body();
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ClientCertificateTypeList types = req.types();
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LinkedList<String> typeList = new LinkedList<String>();
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for (ClientCertificateType t : types)
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typeList.add(t.name());
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X500PrincipalList issuers = req.authorities();
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LinkedList<X500Principal> issuerList = new LinkedList<X500Principal>();
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for (X500Principal p : issuers)
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issuerList.add(p);
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certLoader = new CertLoader(typeList, issuerList);
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tasks.add(certLoader);
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}
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break;
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// Server Hello Done.
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case READ_SERVER_HELLO_DONE:
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{
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if (handshake.type() != Handshake.Type.SERVER_HELLO_DONE)
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throw new AlertException(new Alert(Level.FATAL,
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Description.UNEXPECTED_MESSAGE));
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state = WRITE_CERTIFICATE;
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}
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break;
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// Finished.
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case READ_FINISHED:
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{
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if (handshake.type() != Handshake.Type.FINISHED)
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throw new AlertException(new Alert(Level.FATAL,
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Description.UNEXPECTED_MESSAGE));
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Finished serverFinished = (Finished) handshake.body();
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MessageDigest md5copy = null;
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MessageDigest shacopy = null;
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try
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{
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md5copy = (MessageDigest) md5.clone();
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shacopy = (MessageDigest) sha.clone();
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}
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catch (CloneNotSupportedException cnse)
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{
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// We're improperly configured to use a non-cloneable
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// md5/sha-1, OR there's a runtime bug.
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throw new SSLException(cnse);
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}
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Finished clientFinished =
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new Finished(generateFinished(md5copy, shacopy,
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false, engine.session()),
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engine.session().version);
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if (Debug.DEBUG)
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logger.logv(Component.SSL_HANDSHAKE, "clientFinished: {0}",
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clientFinished);
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if (engine.session().version == ProtocolVersion.SSL_3)
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{
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if (!Arrays.equals(clientFinished.md5Hash(),
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serverFinished.md5Hash())
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|| !Arrays.equals(clientFinished.shaHash(),
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serverFinished.shaHash()))
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{
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engine.session().invalidate();
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throw new SSLException("session verify failed");
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}
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}
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else
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{
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if (!Arrays.equals(clientFinished.verifyData(),
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serverFinished.verifyData()))
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{
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engine.session().invalidate();
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throw new SSLException("session verify failed");
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}
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}
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if (continuedSession)
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{
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engine.changeCipherSpec();
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state = WRITE_FINISHED;
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}
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else
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state = DONE;
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}
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break;
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default:
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throw new IllegalStateException("invalid state: " + state);
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}
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handshakeOffset += handshake.length() + 4;
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if (!tasks.isEmpty())
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return HandshakeStatus.NEED_TASK;
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if (state.isWriteState()
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|| (outBuffer != null && outBuffer.hasRemaining()))
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return HandshakeStatus.NEED_WRAP;
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if (state.isReadState())
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return HandshakeStatus.NEED_UNWRAP;
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return HandshakeStatus.FINISHED;
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}
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|
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/* (non-Javadoc)
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* @see gnu.javax.net.ssl.provider.AbstractHandshake#implHandleOutput(java.nio.ByteBuffer)
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*/
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@Override protected HandshakeStatus implHandleOutput(ByteBuffer fragment)
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throws SSLException
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{
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if (Debug.DEBUG)
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logger.logv(Component.SSL_HANDSHAKE, "output to {0}; state:{1}; outBuffer:{2}",
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fragment, state, outBuffer);
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// Drain the output buffer, if it needs it.
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if (outBuffer != null && outBuffer.hasRemaining())
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{
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int l = Math.min(fragment.remaining(), outBuffer.remaining());
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fragment.put((ByteBuffer) outBuffer.duplicate().limit(outBuffer.position() + l));
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outBuffer.position(outBuffer.position() + l);
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}
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if (!fragment.hasRemaining())
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{
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if (state.isWriteState() || outBuffer.hasRemaining())
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return HandshakeStatus.NEED_WRAP;
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else
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return HandshakeStatus.NEED_UNWRAP;
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}
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outer_loop:
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while (fragment.remaining() >= 4 && state.isWriteState())
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{
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if (Debug.DEBUG)
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logger.logv(Component.SSL_HANDSHAKE, "loop state={0}", state);
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switch (state)
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{
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case WRITE_CLIENT_HELLO:
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{
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ClientHelloBuilder hello = new ClientHelloBuilder();
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AbstractSessionContext ctx = (AbstractSessionContext)
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engine.contextImpl.engineGetClientSessionContext();
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continued = (SessionImpl) ctx.getSession(engine.getPeerHost(),
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engine.getPeerPort());
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engine.session().setId(new Session.ID(new byte[0]));
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Session.ID sid = engine.session().id();
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// If we have a session that we may want to continue, send
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// that ID.
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if (continued != null)
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sid = continued.id();
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hello.setSessionId(sid.id());
|
|
sentVersion = chooseVersion();
|
|
hello.setVersion(sentVersion);
|
|
hello.setCipherSuites(getSuites());
|
|
hello.setCompressionMethods(getCompressionMethods());
|
|
Random r = hello.random();
|
|
r.setGmtUnixTime(Util.unixTime());
|
|
byte[] nonce = new byte[28];
|
|
engine.session().random().nextBytes(nonce);
|
|
r.setRandomBytes(nonce);
|
|
clientRandom = r.copy();
|
|
if (enableExtensions())
|
|
{
|
|
List<Extension> extensions = new LinkedList<Extension>();
|
|
MaxFragmentLength fraglen = maxFragmentLength();
|
|
if (fraglen != null)
|
|
{
|
|
extensions.add(new Extension(Extension.Type.MAX_FRAGMENT_LENGTH,
|
|
fraglen));
|
|
maxFragmentLengthSent = fraglen;
|
|
}
|
|
|
|
String host = engine.getPeerHost();
|
|
if (host != null)
|
|
{
|
|
ServerName name
|
|
= new ServerName(NameType.HOST_NAME, host);
|
|
ServerNameList names
|
|
= new ServerNameList(Collections.singletonList(name));
|
|
extensions.add(new Extension(Extension.Type.SERVER_NAME,
|
|
names));
|
|
}
|
|
|
|
if (truncatedHMac())
|
|
{
|
|
extensions.add(new Extension(Extension.Type.TRUNCATED_HMAC,
|
|
new TruncatedHMAC()));
|
|
truncatedHMacSent = true;
|
|
}
|
|
|
|
ExtensionList elist = new ExtensionList(extensions);
|
|
hello.setExtensions(elist.buffer());
|
|
}
|
|
else
|
|
hello.setDisableExtensions(true);
|
|
|
|
if (Debug.DEBUG)
|
|
logger.logv(Component.SSL_HANDSHAKE, "{0}", hello);
|
|
|
|
fragment.putInt((Handshake.Type.CLIENT_HELLO.getValue() << 24)
|
|
| (hello.length() & 0xFFFFFF));
|
|
outBuffer = hello.buffer();
|
|
int l = Math.min(fragment.remaining(), outBuffer.remaining());
|
|
fragment.put((ByteBuffer) outBuffer.duplicate()
|
|
.limit(outBuffer.position() + l));
|
|
outBuffer.position(outBuffer.position() + l);
|
|
|
|
state = READ_SERVER_HELLO;
|
|
}
|
|
break;
|
|
|
|
case WRITE_CERTIFICATE:
|
|
{
|
|
java.security.cert.Certificate[] chain
|
|
= engine.session().getLocalCertificates();
|
|
if (chain != null)
|
|
{
|
|
CertificateBuilder cert
|
|
= new CertificateBuilder(CertificateType.X509);
|
|
try
|
|
{
|
|
cert.setCertificates(Arrays.asList(chain));
|
|
}
|
|
catch (CertificateException ce)
|
|
{
|
|
throw new AlertException(new Alert(Level.FATAL,
|
|
Description.INTERNAL_ERROR),
|
|
ce);
|
|
}
|
|
|
|
outBuffer = cert.buffer();
|
|
|
|
fragment.putInt((Handshake.Type.CERTIFICATE.getValue() << 24)
|
|
| (cert.length() & 0xFFFFFF));
|
|
|
|
int l = Math.min(fragment.remaining(), outBuffer.remaining());
|
|
fragment.put((ByteBuffer) outBuffer.duplicate()
|
|
.limit(outBuffer.position() + l));
|
|
outBuffer.position(outBuffer.position() + l);
|
|
}
|
|
state = WRITE_CLIENT_KEY_EXCHANGE;
|
|
}
|
|
break;
|
|
|
|
case WRITE_CLIENT_KEY_EXCHANGE:
|
|
{
|
|
KeyExchangeAlgorithm kea = engine.session().suite.keyExchangeAlgorithm();
|
|
ClientKeyExchangeBuilder ckex
|
|
= new ClientKeyExchangeBuilder(engine.session().suite,
|
|
engine.session().version);
|
|
if (kea == DHE_DSS || kea == DHE_RSA || kea == DH_anon
|
|
|| kea == DH_DSS || kea == DH_RSA)
|
|
{
|
|
assert(dhPair != null);
|
|
DHPublicKey pubkey = (DHPublicKey) dhPair.getPublic();
|
|
ClientDiffieHellmanPublic pub
|
|
= new ClientDiffieHellmanPublic(pubkey.getY());
|
|
ckex.setExchangeKeys(pub.buffer());
|
|
}
|
|
if (kea == RSA || kea == RSA_PSK)
|
|
{
|
|
assert(keyExchange instanceof RSAGen);
|
|
assert(keyExchange.hasRun());
|
|
if (keyExchange.thrown() != null)
|
|
throw new AlertException(new Alert(Level.FATAL,
|
|
Description.HANDSHAKE_FAILURE),
|
|
keyExchange.thrown());
|
|
EncryptedPreMasterSecret epms
|
|
= new EncryptedPreMasterSecret(((RSAGen) keyExchange).encryptedSecret(),
|
|
engine.session().version);
|
|
if (kea == RSA)
|
|
ckex.setExchangeKeys(epms.buffer());
|
|
else
|
|
{
|
|
String identity = getPSKIdentity();
|
|
if (identity == null)
|
|
throw new SSLException("no pre-shared-key identity;"
|
|
+ " set the security property"
|
|
+ " \"jessie.client.psk.identity\"");
|
|
ClientRSA_PSKParameters params =
|
|
new ClientRSA_PSKParameters(identity, epms.buffer());
|
|
ckex.setExchangeKeys(params.buffer());
|
|
generatePSKSecret(identity, preMasterSecret, true);
|
|
}
|
|
}
|
|
if (kea == DHE_PSK)
|
|
{
|
|
assert(keyExchange instanceof ClientDHGen);
|
|
assert(dhPair != null);
|
|
String identity = getPSKIdentity();
|
|
if (identity == null)
|
|
throw new SSLException("no pre-shared key identity; set"
|
|
+ " the security property"
|
|
+ " \"jessie.client.psk.identity\"");
|
|
DHPublicKey pubkey = (DHPublicKey) dhPair.getPublic();
|
|
ClientDHE_PSKParameters params =
|
|
new ClientDHE_PSKParameters(identity,
|
|
new ClientDiffieHellmanPublic(pubkey.getY()));
|
|
ckex.setExchangeKeys(params.buffer());
|
|
generatePSKSecret(identity, preMasterSecret, true);
|
|
}
|
|
if (kea == PSK)
|
|
{
|
|
String identity = getPSKIdentity();
|
|
if (identity == null)
|
|
throw new SSLException("no pre-shared key identity; set"
|
|
+ " the security property"
|
|
+ " \"jessie.client.psk.identity\"");
|
|
generatePSKSecret(identity, null, true);
|
|
ClientPSKParameters params = new ClientPSKParameters(identity);
|
|
ckex.setExchangeKeys(params.buffer());
|
|
}
|
|
if (kea == NONE)
|
|
{
|
|
Inflater inflater = null;
|
|
Deflater deflater = null;
|
|
if (compression == CompressionMethod.ZLIB)
|
|
{
|
|
inflater = new Inflater();
|
|
deflater = new Deflater();
|
|
}
|
|
inParams = new InputSecurityParameters(null, null, inflater,
|
|
engine.session(),
|
|
engine.session().suite);
|
|
outParams = new OutputSecurityParameters(null, null, deflater,
|
|
engine.session(),
|
|
engine.session().suite);
|
|
engine.session().privateData.masterSecret = new byte[0];
|
|
}
|
|
|
|
if (Debug.DEBUG)
|
|
logger.logv(Component.SSL_HANDSHAKE, "{0}", ckex);
|
|
|
|
outBuffer = ckex.buffer();
|
|
if (Debug.DEBUG)
|
|
logger.logv(Component.SSL_HANDSHAKE, "client kex buffer {0}", outBuffer);
|
|
fragment.putInt((Handshake.Type.CLIENT_KEY_EXCHANGE.getValue() << 24)
|
|
| (ckex.length() & 0xFFFFFF));
|
|
int l = Math.min(fragment.remaining(), outBuffer.remaining());
|
|
fragment.put((ByteBuffer) outBuffer.duplicate().limit(outBuffer.position() + l));
|
|
outBuffer.position(outBuffer.position() + l);
|
|
|
|
if (privateKey != null)
|
|
{
|
|
genCertVerify = new GenCertVerify(md5, sha);
|
|
tasks.add(genCertVerify);
|
|
state = WRITE_CERTIFICATE_VERIFY;
|
|
}
|
|
else
|
|
{
|
|
engine.changeCipherSpec();
|
|
state = WRITE_FINISHED;
|
|
}
|
|
}
|
|
// Both states terminate in a NEED_TASK, or a need to change cipher
|
|
// specs; so we can't write any more messages here.
|
|
break outer_loop;
|
|
|
|
case WRITE_CERTIFICATE_VERIFY:
|
|
{
|
|
assert(genCertVerify != null);
|
|
assert(genCertVerify.hasRun());
|
|
CertificateVerify verify = new CertificateVerify(genCertVerify.signed(),
|
|
engine.session().suite.signatureAlgorithm());
|
|
|
|
outBuffer = verify.buffer();
|
|
fragment.putInt((Handshake.Type.CERTIFICATE_VERIFY.getValue() << 24)
|
|
| (verify.length() & 0xFFFFFF));
|
|
int l = Math.min(fragment.remaining(), outBuffer.remaining());
|
|
fragment.put((ByteBuffer) outBuffer.duplicate().limit(outBuffer.position() + l));
|
|
outBuffer.position(outBuffer.position() + l);
|
|
|
|
// XXX This is a potential problem: we may not have drained
|
|
// outBuffer, but set the changeCipherSpec toggle.
|
|
engine.changeCipherSpec();
|
|
state = WRITE_FINISHED;
|
|
}
|
|
break outer_loop;
|
|
|
|
case WRITE_FINISHED:
|
|
{
|
|
MessageDigest md5copy = null;
|
|
MessageDigest shacopy = null;
|
|
try
|
|
{
|
|
md5copy = (MessageDigest) md5.clone();
|
|
shacopy = (MessageDigest) sha.clone();
|
|
}
|
|
catch (CloneNotSupportedException cnse)
|
|
{
|
|
// We're improperly configured to use a non-cloneable
|
|
// md5/sha-1, OR there's a runtime bug.
|
|
throw new SSLException(cnse);
|
|
}
|
|
outBuffer
|
|
= generateFinished(md5copy, shacopy, true,
|
|
engine.session());
|
|
|
|
fragment.putInt((Handshake.Type.FINISHED.getValue() << 24)
|
|
| outBuffer.remaining() & 0xFFFFFF);
|
|
|
|
int l = Math.min(outBuffer.remaining(), fragment.remaining());
|
|
fragment.put((ByteBuffer) outBuffer.duplicate().limit(outBuffer.position() + l));
|
|
outBuffer.position(outBuffer.position() + l);
|
|
|
|
if (continuedSession)
|
|
state = DONE;
|
|
else
|
|
state = READ_FINISHED;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
throw new IllegalStateException("invalid state: " + state);
|
|
}
|
|
}
|
|
|
|
if (!tasks.isEmpty())
|
|
return HandshakeStatus.NEED_TASK;
|
|
if (state.isWriteState() ||
|
|
(outBuffer != null && outBuffer.hasRemaining()))
|
|
return HandshakeStatus.NEED_WRAP;
|
|
if (state.isReadState())
|
|
return HandshakeStatus.NEED_UNWRAP;
|
|
|
|
return HandshakeStatus.FINISHED;
|
|
}
|
|
|
|
/* (non-Javadoc)
|
|
* @see gnu.javax.net.ssl.provider.AbstractHandshake#status()
|
|
*/
|
|
@Override HandshakeStatus status()
|
|
{
|
|
if (state.isReadState())
|
|
return HandshakeStatus.NEED_UNWRAP;
|
|
if (state.isWriteState())
|
|
return HandshakeStatus.NEED_WRAP;
|
|
return HandshakeStatus.FINISHED;
|
|
}
|
|
|
|
@Override void checkKeyExchange() throws SSLException
|
|
{
|
|
// XXX implement.
|
|
}
|
|
|
|
/* (non-Javadoc)
|
|
* @see gnu.javax.net.ssl.provider.AbstractHandshake#handleV2Hello(java.nio.ByteBuffer)
|
|
*/
|
|
@Override void handleV2Hello(ByteBuffer hello) throws SSLException
|
|
{
|
|
throw new SSLException("this should be impossible");
|
|
}
|
|
|
|
private ProtocolVersion chooseVersion() throws SSLException
|
|
{
|
|
// Select the highest enabled version, for our initial key exchange.
|
|
ProtocolVersion version = null;
|
|
for (String ver : engine.getEnabledProtocols())
|
|
{
|
|
try
|
|
{
|
|
ProtocolVersion v = ProtocolVersion.forName(ver);
|
|
if (version == null || version.compareTo(v) < 0)
|
|
version = v;
|
|
}
|
|
catch (Exception x)
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (version == null)
|
|
throw new SSLException("no suitable enabled versions");
|
|
|
|
return version;
|
|
}
|
|
|
|
private List<CipherSuite> getSuites() throws SSLException
|
|
{
|
|
List<CipherSuite> suites = new LinkedList<CipherSuite>();
|
|
for (String s : engine.getEnabledCipherSuites())
|
|
{
|
|
CipherSuite suite = CipherSuite.forName(s);
|
|
if (suite != null)
|
|
suites.add(suite);
|
|
}
|
|
if (suites.isEmpty())
|
|
throw new SSLException("no cipher suites enabled");
|
|
return suites;
|
|
}
|
|
|
|
private List<CompressionMethod> getCompressionMethods()
|
|
{
|
|
List<CompressionMethod> methods = new LinkedList<CompressionMethod>();
|
|
GetSecurityPropertyAction gspa = new GetSecurityPropertyAction("jessie.enable.compression");
|
|
if (Boolean.valueOf(AccessController.doPrivileged(gspa)))
|
|
methods.add(CompressionMethod.ZLIB);
|
|
methods.add(CompressionMethod.NULL);
|
|
return methods;
|
|
}
|
|
|
|
private boolean enableExtensions()
|
|
{
|
|
GetSecurityPropertyAction action
|
|
= new GetSecurityPropertyAction("jessie.client.enable.extensions");
|
|
return Boolean.valueOf(AccessController.doPrivileged(action));
|
|
}
|
|
|
|
private MaxFragmentLength maxFragmentLength()
|
|
{
|
|
GetSecurityPropertyAction action
|
|
= new GetSecurityPropertyAction("jessie.client.maxFragmentLength");
|
|
String s = AccessController.doPrivileged(action);
|
|
if (s != null)
|
|
{
|
|
try
|
|
{
|
|
int len = Integer.parseInt(s);
|
|
switch (len)
|
|
{
|
|
case 9:
|
|
case (1 << 9): return MaxFragmentLength.LEN_2_9;
|
|
case 10:
|
|
case (1 << 10): return MaxFragmentLength.LEN_2_10;
|
|
case 11:
|
|
case (1 << 11): return MaxFragmentLength.LEN_2_11;
|
|
case 12:
|
|
case (1 << 12): return MaxFragmentLength.LEN_2_12;
|
|
}
|
|
}
|
|
catch (NumberFormatException nfe)
|
|
{
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private boolean truncatedHMac()
|
|
{
|
|
GetSecurityPropertyAction action
|
|
= new GetSecurityPropertyAction("jessie.client.truncatedHMac");
|
|
return Boolean.valueOf(AccessController.doPrivileged(action));
|
|
}
|
|
|
|
private String getPSKIdentity()
|
|
{
|
|
GetSecurityPropertyAction action
|
|
= new GetSecurityPropertyAction("jessie.client.psk.identity");
|
|
return AccessController.doPrivileged(action);
|
|
}
|
|
|
|
// Delegated tasks.
|
|
|
|
class ParamsVerifier extends DelegatedTask
|
|
{
|
|
private final ByteBuffer paramsBuffer;
|
|
private final byte[] signature;
|
|
private boolean verified;
|
|
|
|
ParamsVerifier(ByteBuffer paramsBuffer, byte[] signature)
|
|
{
|
|
this.paramsBuffer = paramsBuffer;
|
|
this.signature = signature;
|
|
}
|
|
|
|
public void implRun()
|
|
throws InvalidKeyException, NoSuchAlgorithmException,
|
|
SSLPeerUnverifiedException, SignatureException
|
|
{
|
|
java.security.Signature s
|
|
= java.security.Signature.getInstance(engine.session().suite
|
|
.signatureAlgorithm().algorithm());
|
|
s.initVerify(engine.session().getPeerCertificates()[0]);
|
|
s.update(paramsBuffer);
|
|
verified = s.verify(signature);
|
|
synchronized (this)
|
|
{
|
|
notifyAll();
|
|
}
|
|
}
|
|
|
|
boolean verified()
|
|
{
|
|
return verified;
|
|
}
|
|
}
|
|
|
|
class ClientDHGen extends DelegatedTask
|
|
{
|
|
private final DHPublicKey serverKey;
|
|
private final DHParameterSpec params;
|
|
private final boolean full;
|
|
|
|
ClientDHGen(DHPublicKey serverKey, DHParameterSpec params, boolean full)
|
|
{
|
|
this.serverKey = serverKey;
|
|
this.params = params;
|
|
this.full = full;
|
|
}
|
|
|
|
public void implRun()
|
|
throws InvalidAlgorithmParameterException, NoSuchAlgorithmException,
|
|
SSLException
|
|
{
|
|
if (Debug.DEBUG)
|
|
logger.log(Component.SSL_DELEGATED_TASK, "running client DH phase");
|
|
if (paramsVerifier != null)
|
|
{
|
|
synchronized (paramsVerifier)
|
|
{
|
|
try
|
|
{
|
|
while (!paramsVerifier.hasRun())
|
|
paramsVerifier.wait(500);
|
|
}
|
|
catch (InterruptedException ie)
|
|
{
|
|
// Ignore.
|
|
}
|
|
}
|
|
}
|
|
KeyPairGenerator gen = KeyPairGenerator.getInstance("DH");
|
|
gen.initialize(params, engine.session().random());
|
|
dhPair = gen.generateKeyPair();
|
|
if (Debug.DEBUG_KEY_EXCHANGE)
|
|
logger.logv(Component.SSL_KEY_EXCHANGE,
|
|
"client keys public:{0} private:{1}", dhPair.getPublic(),
|
|
dhPair.getPrivate());
|
|
|
|
initDiffieHellman((DHPrivateKey) dhPair.getPrivate(), engine.session().random());
|
|
|
|
// We have enough info to do the full key exchange; so let's do it.
|
|
DHPhase phase = new DHPhase(serverKey, full);
|
|
phase.run();
|
|
if (phase.thrown() != null)
|
|
throw new SSLException(phase.thrown());
|
|
}
|
|
|
|
DHPublicKey serverKey()
|
|
{
|
|
return serverKey;
|
|
}
|
|
}
|
|
|
|
class CertLoader extends DelegatedTask
|
|
{
|
|
private final List<String> keyTypes;
|
|
private final List<X500Principal> issuers;
|
|
|
|
CertLoader(List<String> keyTypes, List<X500Principal> issuers)
|
|
{
|
|
this.keyTypes = keyTypes;
|
|
this.issuers = issuers;
|
|
}
|
|
|
|
public void implRun()
|
|
{
|
|
X509ExtendedKeyManager km = engine.contextImpl.keyManager;
|
|
if (km == null)
|
|
return;
|
|
keyAlias = km.chooseEngineClientAlias(keyTypes.toArray(new String[keyTypes.size()]),
|
|
issuers.toArray(new X500Principal[issuers.size()]),
|
|
engine);
|
|
engine.session().setLocalCertificates(km.getCertificateChain(keyAlias));
|
|
privateKey = km.getPrivateKey(keyAlias);
|
|
}
|
|
}
|
|
|
|
class RSAGen extends DelegatedTask
|
|
{
|
|
private byte[] encryptedPreMasterSecret;
|
|
private final boolean full;
|
|
|
|
RSAGen()
|
|
{
|
|
this(true);
|
|
}
|
|
|
|
RSAGen(boolean full)
|
|
{
|
|
this.full = full;
|
|
}
|
|
|
|
public void implRun()
|
|
throws BadPaddingException, IllegalBlockSizeException, InvalidKeyException,
|
|
NoSuchAlgorithmException, NoSuchPaddingException,
|
|
SSLException
|
|
{
|
|
if (certVerifier != null)
|
|
{
|
|
synchronized (certVerifier)
|
|
{
|
|
try
|
|
{
|
|
while (!certVerifier.hasRun())
|
|
certVerifier.wait(500);
|
|
}
|
|
catch (InterruptedException ie)
|
|
{
|
|
// Ignore.
|
|
}
|
|
}
|
|
}
|
|
preMasterSecret = new byte[48];
|
|
engine.session().random().nextBytes(preMasterSecret);
|
|
preMasterSecret[0] = (byte) sentVersion.major();
|
|
preMasterSecret[1] = (byte) sentVersion.minor();
|
|
Cipher rsa = Cipher.getInstance("RSA");
|
|
java.security.cert.Certificate cert
|
|
= engine.session().getPeerCertificates()[0];
|
|
if (cert instanceof X509Certificate)
|
|
{
|
|
boolean[] keyUsage = ((X509Certificate) cert).getKeyUsage();
|
|
if (keyUsage != null && !keyUsage[2])
|
|
throw new InvalidKeyException("certificate's keyUsage does not permit keyEncipherment");
|
|
}
|
|
rsa.init(Cipher.ENCRYPT_MODE, cert.getPublicKey());
|
|
encryptedPreMasterSecret = rsa.doFinal(preMasterSecret);
|
|
|
|
// Generate our session keys, because we can.
|
|
if (full)
|
|
{
|
|
generateMasterSecret(clientRandom, serverRandom, engine.session());
|
|
byte[][] keys = generateKeys(clientRandom, serverRandom, engine.session());
|
|
setupSecurityParameters(keys, true, engine, compression);
|
|
}
|
|
}
|
|
|
|
byte[] encryptedSecret()
|
|
{
|
|
return encryptedPreMasterSecret;
|
|
}
|
|
}
|
|
|
|
class GenCertVerify extends DelegatedTask
|
|
{
|
|
private final MessageDigest md5, sha;
|
|
private byte[] signed;
|
|
|
|
GenCertVerify(MessageDigest md5, MessageDigest sha)
|
|
{
|
|
try
|
|
{
|
|
this.md5 = (MessageDigest) md5.clone();
|
|
this.sha = (MessageDigest) sha.clone();
|
|
}
|
|
catch (CloneNotSupportedException cnse)
|
|
{
|
|
// Our message digests *should* be cloneable.
|
|
throw new Error(cnse);
|
|
}
|
|
}
|
|
|
|
public void implRun()
|
|
throws InvalidKeyException, NoSuchAlgorithmException, SignatureException
|
|
{
|
|
byte[] toSign;
|
|
if (engine.session().version == ProtocolVersion.SSL_3)
|
|
{
|
|
toSign = genV3CertificateVerify(md5, sha, engine.session());
|
|
}
|
|
else
|
|
{
|
|
if (engine.session().suite.signatureAlgorithm() == SignatureAlgorithm.RSA)
|
|
toSign = Util.concat(md5.digest(), sha.digest());
|
|
else
|
|
toSign = sha.digest();
|
|
}
|
|
|
|
java.security.Signature sig =
|
|
java.security.Signature.getInstance(engine.session().suite.signatureAlgorithm().name());
|
|
sig.initSign(privateKey);
|
|
sig.update(toSign);
|
|
signed = sig.sign();
|
|
}
|
|
|
|
byte[] signed()
|
|
{
|
|
return signed;
|
|
}
|
|
}
|
|
}
|