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/*
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* Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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2
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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2
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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2
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*/
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package sun.security.ssl;
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import java.io.*;
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import java.nio.channels.SocketChannel;
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import java.net.*;
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import javax.net.ssl.*;
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/**
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* Abstract base class for SSLSocketImpl. Its purpose is to house code with
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* no SSL related logic (or no logic at all). This makes SSLSocketImpl shorter
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* and easier to read. It contains a few constants and static methods plus
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* overridden java.net.Socket methods.
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*
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* Methods are defined final to ensure that they are not accidentally
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* overridden in SSLSocketImpl.
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*
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* @see javax.net.ssl.SSLSocket
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* @see SSLSocketImpl
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*
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*/
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abstract class BaseSSLSocketImpl extends SSLSocket {
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/*
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* Normally "self" is "this" ... but not when this connection is
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* layered over a preexisting socket. If we're using an existing
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* socket, we delegate some actions to it. Else, we delegate
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* instead to "super". This is important to ensure that we don't
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* recurse infinitely ... e.g. close() calling itself, or doing
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* I/O in terms of our own streams.
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*/
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final Socket self;
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BaseSSLSocketImpl() {
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super();
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this.self = this;
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}
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BaseSSLSocketImpl(Socket socket) {
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super();
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this.self = socket;
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}
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//
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// CONSTANTS AND STATIC METHODS
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//
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/**
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* TLS requires that a close_notify warning alert is sent before the
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* connection is closed in order to avoid truncation attacks. Some
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* implementations (MS IIS and others) don't do that. The property
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* below controls whether we accept that or treat it as an error.
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*
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* The default is "false", i.e. tolerate the broken behavior.
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*/
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private final static String PROP_NAME =
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"com.sun.net.ssl.requireCloseNotify";
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final static boolean requireCloseNotify =
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Debug.getBooleanProperty(PROP_NAME, false);
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//
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// MISC SOCKET METHODS
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//
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/**
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* Returns the unique {@link java.nio.SocketChannel SocketChannel} object
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* associated with this socket, if any.
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* @see java.net.Socket#getChannel
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*/
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public final SocketChannel getChannel() {
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if (self == this) {
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return super.getChannel();
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} else {
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return self.getChannel();
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}
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}
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/**
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* Binds the address to the socket.
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* @see java.net.Socket#bind
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*/
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public void bind(SocketAddress bindpoint) throws IOException {
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/*
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* Bind to this socket
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*/
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if (self == this) {
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super.bind(bindpoint);
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} else {
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// If we're binding on a layered socket...
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throw new IOException(
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"Underlying socket should already be connected");
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}
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}
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/**
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* Returns the address of the endpoint this socket is connected to
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* @see java.net.Socket#getLocalSocketAddress
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*/
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public SocketAddress getLocalSocketAddress() {
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if (self == this) {
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return super.getLocalSocketAddress();
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} else {
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return self.getLocalSocketAddress();
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}
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}
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/**
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* Returns the address of the endpoint this socket is connected to
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* @see java.net.Socket#getRemoteSocketAddress
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*/
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public SocketAddress getRemoteSocketAddress() {
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if (self == this) {
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return super.getRemoteSocketAddress();
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} else {
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return self.getRemoteSocketAddress();
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}
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}
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/**
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* Connects this socket to the server.
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*
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* This method is either called on an unconnected SSLSocketImpl by the
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* application, or it is called in the constructor of a regular
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* SSLSocketImpl. If we are layering on top on another socket, then
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* this method should not be called, because we assume that the
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* underlying socket is already connected by the time it is passed to
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* us.
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*
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* @param endpoint the <code>SocketAddress</code>
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* @throws IOException if an error occurs during the connection
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*/
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public final void connect(SocketAddress endpoint) throws IOException {
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connect(endpoint, 0);
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}
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/**
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* Returns the connection state of the socket.
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* @see java.net.Socket#isConnected
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*/
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public final boolean isConnected() {
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if (self == this) {
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return super.isConnected();
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} else {
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return self.isConnected();
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}
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}
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/**
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* Returns the binding state of the socket.
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* @see java.net.Socket#isBound
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*/
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public final boolean isBound() {
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if (self == this) {
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return super.isBound();
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} else {
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return self.isBound();
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}
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}
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//
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// CLOSE RELATED METHODS
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//
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/**
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* The semantics of shutdownInput is not supported in TLS 1.0
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* spec. Thus when the method is called on an SSL socket, an
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* UnsupportedOperationException will be thrown.
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*
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* @throws UnsupportedOperationException
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*/
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public final void shutdownInput() throws IOException {
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throw new UnsupportedOperationException("The method shutdownInput()" +
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" is not supported in SSLSocket");
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}
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/**
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* The semantics of shutdownOutput is not supported in TLS 1.0
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* spec. Thus when the method is called on an SSL socket, an
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* UnsupportedOperationException will be thrown.
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*
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* @throws UnsupportedOperationException
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*/
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public final void shutdownOutput() throws IOException {
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throw new UnsupportedOperationException("The method shutdownOutput()" +
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" is not supported in SSLSocket");
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}
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/**
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* Returns the input state of the socket
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* @see java.net.Socket#isInputShutdown
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*/
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public final boolean isInputShutdown() {
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if (self == this) {
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return super.isInputShutdown();
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} else {
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return self.isInputShutdown();
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}
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}
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/**
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* Returns the output state of the socket
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* @see java.net.Socket#isOutputShutdown
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*/
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public final boolean isOutputShutdown() {
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if (self == this) {
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return super.isOutputShutdown();
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} else {
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return self.isOutputShutdown();
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}
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}
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/**
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* Ensures that the SSL connection is closed down as cleanly
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* as possible, in case the application forgets to do so.
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* This allows SSL connections to be implicitly reclaimed,
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* rather than forcing them to be explicitly reclaimed at
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* the penalty of prematurly killing SSL sessions.
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*/
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protected final void finalize() throws Throwable {
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try {
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close();
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} catch (IOException e1) {
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try {
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if (self == this) {
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super.close();
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}
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} catch (IOException e2) {
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// ignore
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}
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} finally {
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1580
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// We called close on the underlying socket above to
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// make doubly sure all resources got released. We
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// don't finalize self in the case of overlain sockets,
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// that's a different object which the GC will finalize
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// separately.
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super.finalize();
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}
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}
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//
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// GET ADDRESS METHODS
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//
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/**
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* Returns the address of the remote peer for this connection.
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275 |
*/
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276 |
public final InetAddress getInetAddress() {
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277 |
if (self == this) {
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return super.getInetAddress();
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279 |
} else {
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280 |
return self.getInetAddress();
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}
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282 |
}
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283 |
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/**
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* Gets the local address to which the socket is bound.
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*
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* @return the local address to which the socket is bound.
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* @since JDK1.1
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*/
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290 |
public final InetAddress getLocalAddress() {
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291 |
if (self == this) {
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return super.getLocalAddress();
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293 |
} else {
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return self.getLocalAddress();
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}
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296 |
}
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297 |
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298 |
/**
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299 |
* Returns the number of the remote port that this connection uses.
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300 |
*/
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301 |
public final int getPort() {
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302 |
if (self == this) {
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303 |
return super.getPort();
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304 |
} else {
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305 |
return self.getPort();
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306 |
}
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307 |
}
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308 |
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309 |
/**
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310 |
* Returns the number of the local port that this connection uses.
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311 |
*/
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312 |
public final int getLocalPort() {
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313 |
if (self == this) {
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314 |
return super.getLocalPort();
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315 |
} else {
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316 |
return self.getLocalPort();
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317 |
}
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318 |
}
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319 |
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320 |
//
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321 |
// SOCKET OPTION METHODS
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322 |
//
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323 |
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324 |
/**
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325 |
* Enables or disables the Nagle optimization.
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326 |
* @see java.net.Socket#setTcpNoDelay
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327 |
*/
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328 |
public final void setTcpNoDelay(boolean value) throws SocketException {
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329 |
if (self == this) {
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330 |
super.setTcpNoDelay(value);
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331 |
} else {
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332 |
self.setTcpNoDelay(value);
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333 |
}
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334 |
}
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335 |
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336 |
/**
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|
337 |
* Returns true if the Nagle optimization is disabled. This
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|
338 |
* relates to low-level buffering of TCP traffic, delaying the
|
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|
339 |
* traffic to promote better throughput.
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340 |
*
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341 |
* @see java.net.Socket#getTcpNoDelay
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342 |
*/
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343 |
public final boolean getTcpNoDelay() throws SocketException {
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|
344 |
if (self == this) {
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345 |
return super.getTcpNoDelay();
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|
346 |
} else {
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347 |
return self.getTcpNoDelay();
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|
348 |
}
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|
349 |
}
|
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|
350 |
|
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|
351 |
/**
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352 |
* Assigns the socket's linger timeout.
|
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|
353 |
* @see java.net.Socket#setSoLinger
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|
354 |
*/
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|
355 |
public final void setSoLinger(boolean flag, int linger)
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|
356 |
throws SocketException {
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|
357 |
if (self == this) {
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|
358 |
super.setSoLinger(flag, linger);
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|
359 |
} else {
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|
360 |
self.setSoLinger(flag, linger);
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|
361 |
}
|
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|
362 |
}
|
|
|
363 |
|
|
|
364 |
/**
|
|
|
365 |
* Returns the socket's linger timeout.
|
|
|
366 |
* @see java.net.Socket#getSoLinger
|
|
|
367 |
*/
|
|
|
368 |
public final int getSoLinger() throws SocketException {
|
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|
369 |
if (self == this) {
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|
370 |
return super.getSoLinger();
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|
371 |
} else {
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|
372 |
return self.getSoLinger();
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|
373 |
}
|
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|
374 |
}
|
|
|
375 |
|
|
|
376 |
/**
|
|
|
377 |
* Send one byte of urgent data on the socket.
|
|
|
378 |
* @see java.net.Socket#sendUrgentData
|
|
|
379 |
* At this point, there seems to be no specific requirement to support
|
|
|
380 |
* this for an SSLSocket. An implementation can be provided if a need
|
|
|
381 |
* arises in future.
|
|
|
382 |
*/
|
|
|
383 |
public final void sendUrgentData(int data) throws SocketException {
|
|
|
384 |
throw new SocketException("This method is not supported "
|
|
|
385 |
+ "by SSLSockets");
|
|
|
386 |
}
|
|
|
387 |
|
|
|
388 |
/**
|
|
|
389 |
* Enable/disable OOBINLINE (receipt of TCP urgent data) By default, this
|
|
|
390 |
* option is disabled and TCP urgent data received on a socket is silently
|
|
|
391 |
* discarded.
|
|
|
392 |
* @see java.net.Socket#setOOBInline
|
|
|
393 |
* Setting OOBInline does not have any effect on SSLSocket,
|
|
|
394 |
* since currently we don't support sending urgent data.
|
|
|
395 |
*/
|
|
|
396 |
public final void setOOBInline(boolean on) throws SocketException {
|
|
|
397 |
throw new SocketException("This method is ineffective, since"
|
|
|
398 |
+ " sending urgent data is not supported by SSLSockets");
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
/**
|
|
|
402 |
* Tests if OOBINLINE is enabled.
|
|
|
403 |
* @see java.net.Socket#getOOBInline
|
|
|
404 |
*/
|
|
|
405 |
public final boolean getOOBInline() throws SocketException {
|
|
|
406 |
throw new SocketException("This method is ineffective, since"
|
|
|
407 |
+ " sending urgent data is not supported by SSLSockets");
|
|
|
408 |
}
|
|
|
409 |
|
|
|
410 |
/**
|
|
|
411 |
* Returns the socket timeout.
|
|
|
412 |
* @see java.net.Socket#getSoTimeout
|
|
|
413 |
*/
|
|
|
414 |
public final int getSoTimeout() throws SocketException {
|
|
|
415 |
if (self == this) {
|
|
|
416 |
return super.getSoTimeout();
|
|
|
417 |
} else {
|
|
|
418 |
return self.getSoTimeout();
|
|
|
419 |
}
|
|
|
420 |
}
|
|
|
421 |
|
|
|
422 |
public final void setSendBufferSize(int size) throws SocketException {
|
|
|
423 |
if (self == this) {
|
|
|
424 |
super.setSendBufferSize(size);
|
|
|
425 |
} else {
|
|
|
426 |
self.setSendBufferSize(size);
|
|
|
427 |
}
|
|
|
428 |
}
|
|
|
429 |
|
|
|
430 |
public final int getSendBufferSize() throws SocketException {
|
|
|
431 |
if (self == this) {
|
|
|
432 |
return super.getSendBufferSize();
|
|
|
433 |
} else {
|
|
|
434 |
return self.getSendBufferSize();
|
|
|
435 |
}
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
public final void setReceiveBufferSize(int size) throws SocketException {
|
|
|
439 |
if (self == this) {
|
|
|
440 |
super.setReceiveBufferSize(size);
|
|
|
441 |
} else {
|
|
|
442 |
self.setReceiveBufferSize(size);
|
|
|
443 |
}
|
|
|
444 |
}
|
|
|
445 |
|
|
|
446 |
public final int getReceiveBufferSize() throws SocketException {
|
|
|
447 |
if (self == this) {
|
|
|
448 |
return super.getReceiveBufferSize();
|
|
|
449 |
} else {
|
|
|
450 |
return self.getReceiveBufferSize();
|
|
|
451 |
}
|
|
|
452 |
}
|
|
|
453 |
|
|
|
454 |
/**
|
|
|
455 |
* Enable/disable SO_KEEPALIVE.
|
|
|
456 |
* @see java.net.Socket#setKeepAlive
|
|
|
457 |
*/
|
|
|
458 |
public final void setKeepAlive(boolean on) throws SocketException {
|
|
|
459 |
if (self == this) {
|
|
|
460 |
super.setKeepAlive(on);
|
|
|
461 |
} else {
|
|
|
462 |
self.setKeepAlive(on);
|
|
|
463 |
}
|
|
|
464 |
}
|
|
|
465 |
|
|
|
466 |
/**
|
|
|
467 |
* Tests if SO_KEEPALIVE is enabled.
|
|
|
468 |
* @see java.net.Socket#getKeepAlive
|
|
|
469 |
*/
|
|
|
470 |
public final boolean getKeepAlive() throws SocketException {
|
|
|
471 |
if (self == this) {
|
|
|
472 |
return super.getKeepAlive();
|
|
|
473 |
} else {
|
|
|
474 |
return self.getKeepAlive();
|
|
|
475 |
}
|
|
|
476 |
}
|
|
|
477 |
|
|
|
478 |
/**
|
|
|
479 |
* Sets traffic class or type-of-service octet in the IP header for
|
|
|
480 |
* packets sent from this Socket.
|
|
|
481 |
* @see java.net.Socket#setTrafficClass
|
|
|
482 |
*/
|
|
|
483 |
public final void setTrafficClass(int tc) throws SocketException {
|
|
|
484 |
if (self == this) {
|
|
|
485 |
super.setTrafficClass(tc);
|
|
|
486 |
} else {
|
|
|
487 |
self.setTrafficClass(tc);
|
|
|
488 |
}
|
|
|
489 |
}
|
|
|
490 |
|
|
|
491 |
/**
|
|
|
492 |
* Gets traffic class or type-of-service in the IP header for packets
|
|
|
493 |
* sent from this Socket.
|
|
|
494 |
* @see java.net.Socket#getTrafficClass
|
|
|
495 |
*/
|
|
|
496 |
public final int getTrafficClass() throws SocketException {
|
|
|
497 |
if (self == this) {
|
|
|
498 |
return super.getTrafficClass();
|
|
|
499 |
} else {
|
|
|
500 |
return self.getTrafficClass();
|
|
|
501 |
}
|
|
|
502 |
}
|
|
|
503 |
|
|
|
504 |
/**
|
|
|
505 |
* Enable/disable SO_REUSEADDR.
|
|
|
506 |
* @see java.net.Socket#setReuseAddress
|
|
|
507 |
*/
|
|
|
508 |
public final void setReuseAddress(boolean on) throws SocketException {
|
|
|
509 |
if (self == this) {
|
|
|
510 |
super.setReuseAddress(on);
|
|
|
511 |
} else {
|
|
|
512 |
self.setReuseAddress(on);
|
|
|
513 |
}
|
|
|
514 |
}
|
|
|
515 |
|
|
|
516 |
/**
|
|
|
517 |
* Tests if SO_REUSEADDR is enabled.
|
|
|
518 |
* @see java.net.Socket#getReuseAddress
|
|
|
519 |
*/
|
|
|
520 |
public final boolean getReuseAddress() throws SocketException {
|
|
|
521 |
if (self == this) {
|
|
|
522 |
return super.getReuseAddress();
|
|
|
523 |
} else {
|
|
|
524 |
return self.getReuseAddress();
|
|
|
525 |
}
|
|
|
526 |
}
|
|
|
527 |
|
|
|
528 |
/**
|
|
|
529 |
* Sets performance preferences for this socket.
|
|
|
530 |
*
|
|
|
531 |
* @see java.net.Socket#setPerformancePreferences(int, int, int)
|
|
|
532 |
*/
|
|
|
533 |
public void setPerformancePreferences(int connectionTime,
|
|
|
534 |
int latency, int bandwidth) {
|
|
|
535 |
if (self == this) {
|
|
|
536 |
super.setPerformancePreferences(
|
|
|
537 |
connectionTime, latency, bandwidth);
|
|
|
538 |
} else {
|
|
|
539 |
self.setPerformancePreferences(
|
|
|
540 |
connectionTime, latency, bandwidth);
|
|
|
541 |
}
|
|
|
542 |
}
|
|
|
543 |
|
|
|
544 |
}
|