sslsocket.java

linux下建立JAVA虚拟机的源码KAFFE

/* SSLSocket.java -- the SSL socket class.
   Copyright (C) 2006  Free Software Foundation, Inc.

This file is a part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.

GNU Classpath 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 for more details.

You should have received a copy of the GNU General Public License
along with GNU Classpath; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
USA

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version.  */


package gnu.javax.net.ssl.provider;

import java.io.BufferedOutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;

import java.math.BigInteger;

import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;

import java.nio.channels.SocketChannel;

import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.KeyPair;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Security;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.security.interfaces.DSAPrivateKey;
import java.security.interfaces.DSAPublicKey;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;

import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;

import java.util.logging.Logger;

import javax.crypto.Cipher;
import javax.crypto.Mac;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.interfaces.DHPublicKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

import javax.net.ssl.HandshakeCompletedEvent;
import javax.net.ssl.HandshakeCompletedListener;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLHandshakeException;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLProtocolException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.X509KeyManager;
import javax.net.ssl.X509TrustManager;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.ConfirmationCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.TextInputCallback;

import gnu.classpath.debug.Component;
import gnu.classpath.debug.SystemLogger;

import gnu.java.security.Registry;
import gnu.javax.security.auth.callback.DefaultCallbackHandler;
import gnu.java.security.hash.HashFactory;
import gnu.java.security.hash.IMessageDigest;
import gnu.javax.crypto.key.IKeyAgreementParty;
import gnu.javax.crypto.key.KeyAgreementFactory;
import gnu.javax.crypto.key.KeyAgreementException;
import gnu.javax.crypto.key.OutgoingMessage;
import gnu.javax.crypto.key.IncomingMessage;
import gnu.javax.crypto.key.dh.DiffieHellmanKeyAgreement;
import gnu.javax.crypto.key.dh.ElGamalKeyAgreement;
import gnu.javax.crypto.key.dh.GnuDHPrivateKey;
import gnu.javax.crypto.key.dh.GnuDHPublicKey;
import gnu.javax.crypto.key.srp6.SRPPrivateKey;
import gnu.javax.crypto.key.srp6.SRPPublicKey;
import gnu.javax.crypto.key.srp6.SRP6KeyAgreement;
import gnu.javax.crypto.mac.IMac;
import gnu.javax.crypto.mode.IMode;
import gnu.javax.crypto.prng.ARCFour;
import gnu.java.security.prng.IRandom;
import gnu.java.security.prng.LimitReachedException;
import gnu.javax.crypto.sasl.srp.SRPAuthInfoProvider;
import gnu.javax.crypto.sasl.srp.SRPRegistry;
import gnu.java.security.sig.ISignature;
import gnu.java.security.sig.SignatureFactory;
import gnu.java.security.sig.dss.DSSSignature;
import gnu.java.security.sig.rsa.EME_PKCS1_V1_5;
import gnu.java.security.sig.rsa.RSA;

import gnu.javax.net.ssl.SRPTrustManager;

/**
 * This is the core of the Jessie SSL implementation; it implements the {@link
 * javax.net.ssl.SSLSocket} for normal and "wrapped" sockets, and handles all
 * protocols implemented by this library.
 */
final class SSLSocket extends javax.net.ssl.SSLSocket
{

  // This class is almost unbearably large and complex, but is laid out
  // as follows:
  //
  // 1. Fields.
  // 2. Constructors.
  // 3. SSLSocket methods. These are the public methods defined in
  //    javax.net.ssl.SSLSocket.
  // 4. Socket methods. These override the public methods of java.net.Socket,
  //    and delegate the method call to either the underlying socket if this is
  //    a wrapped socket, or to the superclass.
  // 5. Package-private methods that various pieces of Jessie use.
  // 6. Private methods. These compose the SSL handshake.
  //
  // Each part is preceeded by a form feed.

// Constants and fields.
  // -------------------------------------------------------------------------

  // Debuggery.
  private static final boolean DEBUG_HANDSHAKE_LAYER = true;
  private static final boolean DEBUG_KEY_EXCHANGE = false;
  private static final Logger logger = SystemLogger.SYSTEM;

  // Fields for using this class as a wrapped socket.
  private Socket underlyingSocket;
  private int underlyingPort;
  private boolean autoClose;

  // Cryptography fields.
  SessionContext sessionContext;
  Session session;
  LinkedList handshakeListeners;
  private boolean clientMode, wantClientAuth, needClientAuth, createSessions;
  private boolean handshakeDone;

  // I/O fields.
  private String remoteHost;
  private InputStream socketIn;
  private OutputStream socketOut;
  private InputStream applicationIn;
  private OutputStream applicationOut;
  private InputStream handshakeIn;
  private OutputStream handshakeOut;
//   private ThreadGroup recordLayer;
  RecordInput recordInput;
//  RecordOutput recordOutput;
  private long handshakeTime;

  private SocketChannel channel;

  static SortedSet supportedProtocols = new TreeSet();
  static List supportedSuites = new ArrayList(30);

// Static initializer.
  // -------------------------------------------------------------------------

  static
  {
    //supportedProtocols.add(ProtocolVersion.TLS_1_1);
    supportedProtocols.add(ProtocolVersion.TLS_1);
    supportedProtocols.add(ProtocolVersion.SSL_3);

    // These are in preference order. It's my preference order, but I'm not
    // a total idiot.
    supportedSuites.add(CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_DSS_WITH_AES_256_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_RSA_WITH_AES_256_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_DSS_WITH_AES_128_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_RSA_WITH_AES_128_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_RC4_128_MD5);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_RC4_128_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_DSS_WITH_DES_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_RSA_WITH_DES_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_DSS_WITH_DES_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_RSA_WITH_DES_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_DES_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_EXPORT_WITH_DES40_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_EXPORT_WITH_RC4_40_MD5);
    supportedSuites.add(CipherSuite.TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_NULL_MD5);
    supportedSuites.add(CipherSuite.TLS_RSA_WITH_NULL_SHA);
  }

// Constructors.
  // -------------------------------------------------------------------------

  SSLSocket(Socket socket, String host, int port, boolean autoClose)
    throws IOException
  {
    underlyingSocket = socket;
    remoteHost = host;
    underlyingPort = port;
    this.autoClose = autoClose;
    initialize();
  }

  SSLSocket (Socket socket, SocketChannel channel) throws IOException
  {
    underlyingSocket = socket;
    this.channel = channel;
    initialize ();
  }

  SSLSocket() throws IOException
  {
    super();
    initialize();
  }

  SSLSocket(InetAddress addr, int port) throws IOException
  {
    super(addr, port);
    initialize();
    remoteHost = addr.getHostName();
    if (remoteHost == null)
      {
        remoteHost = addr.getHostAddress();
      }
  }

  SSLSocket(InetAddress addr, int port, InetAddress laddr, int lport)
    throws IOException
  {
    super(addr, port, laddr, lport);
    initialize();
    remoteHost = addr.getHostName();
    if (remoteHost == null)
      remoteHost = addr.getHostAddress();
  }

  SSLSocket(String host, int port) throws IOException
  {
    super(host, port);
    initialize();
    remoteHost = host;
  }

  SSLSocket(String host, int port, InetAddress laddr, int lport)
    throws IOException
  {
    super(host, port, laddr, lport);
    initialize();
    remoteHost = host;
  }

  private void initialize()
  {
    session = new Session();
    session.enabledSuites = new ArrayList(supportedSuites);
    session.enabledProtocols = new TreeSet(supportedProtocols);
    session.protocol = ProtocolVersion.TLS_1;
    session.params.setVersion (ProtocolVersion.TLS_1);
    handshakeListeners = new LinkedList();
    handshakeDone = false;
  }

// SSL methods.
  // -------------------------------------------------------------------------

  public void addHandshakeCompletedListener(HandshakeCompletedListener l)
  {
    synchronized (handshakeListeners)
      {
        if (l == null)
          throw new NullPointerException();
        if (!handshakeListeners.contains(l))
          handshakeListeners.add(l);
      }
  }

  public void removeHandshakeCompletedListener(HandshakeCompletedListener l)
  {
    synchronized (handshakeListeners)
      {
        handshakeListeners.remove(l);
      }
  }

  public String[] getEnabledProtocols()
  {
    synchronized (session.enabledProtocols)
      {
        try
          {
            return (String[]) Util.transform(session.enabledProtocols.toArray(),
                                             String.class, "toString", null);
          }
        catch (Exception x)
          {
            RuntimeException re = new RuntimeException (x.getMessage());
            re.initCause (x);
            throw re;
          }
      }
  }

  public void setEnabledProtocols(String[] protocols)
  {
    if (protocols == null || protocols.length == 0)
      throw new IllegalArgumentException();
    for (int i = 0; i < protocols.length; i++)
      {
        if (!(protocols[i].equalsIgnoreCase("SSLv3") ||
              protocols[i].equalsIgnoreCase("TLSv1") ||
              protocols[i].equalsIgnoreCase("TLSv1.1")))
          {
            throw new
              IllegalArgumentException("unsupported protocol: " +
                                       protocols[i]);
          }
      }
    synchronized (session.enabledProtocols)
      {
        session.enabledProtocols.clear();
        for (int i = 0; i < protocols.length; i++)
          {
            if (protocols[i].equalsIgnoreCase("SSLv3"))
              {
                session.enabledProtocols.add(ProtocolVersion.SSL_3);
              }
            else if (protocols[i].equalsIgnoreCase("TLSv1"))
              {
                session.enabledProtocols.add(ProtocolVersion.TLS_1);
              }
            else
              {
                session.enabledProtocols.add(ProtocolVersion.TLS_1_1);
              }
          }
      }
  }

  public String[] getSupportedProtocols()
  {
    return new String[] { /* "TLSv1.1", */ "TLSv1", "SSLv3" };
  }

  public String[] getEnabledCipherSuites()
  {
    synchronized (session.enabledSuites)
      {
        try
          {
            return (String[]) Util.transform(session.enabledSuites.toArray(),
                                             String.class, "toString", null);
          }
        catch (Exception x)
          {
            RuntimeException re = new RuntimeException (x.getMessage());
            re.initCause (x);