| /* |
| * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.net.ssl; |
| |
| import java.util.*; |
| import java.security.*; |
| |
| /** |
| * This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) |
| * for the <code>SSLContext</code> class. |
| * |
| * <p> All the abstract methods in this class must be implemented by each |
| * cryptographic service provider who wishes to supply the implementation |
| * of a particular SSL context. |
| * |
| * @since 1.4 |
| * @see SSLContext |
| */ |
| public abstract class SSLContextSpi { |
| /** |
| * Initializes this context. |
| * |
| * @param km the sources of authentication keys |
| * @param tm the sources of peer authentication trust decisions |
| * @param sr the source of randomness |
| * @throws KeyManagementException if this operation fails |
| * @see SSLContext#init(KeyManager [], TrustManager [], SecureRandom) |
| */ |
| protected abstract void engineInit(KeyManager[] km, TrustManager[] tm, |
| SecureRandom sr) throws KeyManagementException; |
| |
| /** |
| * Returns a <code>SocketFactory</code> object for this |
| * context. |
| * |
| * @return the <code>SocketFactory</code> object |
| * @throws IllegalStateException if the SSLContextImpl requires |
| * initialization and the <code>engineInit()</code> |
| * has not been called |
| * @see javax.net.ssl.SSLContext#getSocketFactory() |
| */ |
| protected abstract SSLSocketFactory engineGetSocketFactory(); |
| |
| /** |
| * Returns a <code>ServerSocketFactory</code> object for |
| * this context. |
| * |
| * @return the <code>ServerSocketFactory</code> object |
| * @throws IllegalStateException if the SSLContextImpl requires |
| * initialization and the <code>engineInit()</code> |
| * has not been called |
| * @see javax.net.ssl.SSLContext#getServerSocketFactory() |
| */ |
| protected abstract SSLServerSocketFactory engineGetServerSocketFactory(); |
| |
| /** |
| * Creates a new <code>SSLEngine</code> using this context. |
| * <P> |
| * Applications using this factory method are providing no hints |
| * for an internal session reuse strategy. If hints are desired, |
| * {@link #engineCreateSSLEngine(String, int)} should be used |
| * instead. |
| * <P> |
| * Some cipher suites (such as Kerberos) require remote hostname |
| * information, in which case this factory method should not be used. |
| * |
| * @return the <code>SSLEngine</code> Object |
| * @throws IllegalStateException if the SSLContextImpl requires |
| * initialization and the <code>engineInit()</code> |
| * has not been called |
| * |
| * @see SSLContext#createSSLEngine() |
| * |
| * @since 1.5 |
| */ |
| protected abstract SSLEngine engineCreateSSLEngine(); |
| |
| /** |
| * Creates a <code>SSLEngine</code> using this context. |
| * <P> |
| * Applications using this factory method are providing hints |
| * for an internal session reuse strategy. |
| * <P> |
| * Some cipher suites (such as Kerberos) require remote hostname |
| * information, in which case peerHost needs to be specified. |
| * |
| * @param host the non-authoritative name of the host |
| * @param port the non-authoritative port |
| * @return the <code>SSLEngine</code> Object |
| * @throws IllegalStateException if the SSLContextImpl requires |
| * initialization and the <code>engineInit()</code> |
| * has not been called |
| * |
| * @see SSLContext#createSSLEngine(String, int) |
| * |
| * @since 1.5 |
| */ |
| protected abstract SSLEngine engineCreateSSLEngine(String host, int port); |
| |
| /** |
| * Returns a server <code>SSLSessionContext</code> object for |
| * this context. |
| * |
| * @return the <code>SSLSessionContext</code> object |
| * @see javax.net.ssl.SSLContext#getServerSessionContext() |
| */ |
| protected abstract SSLSessionContext engineGetServerSessionContext(); |
| |
| /** |
| * Returns a client <code>SSLSessionContext</code> object for |
| * this context. |
| * |
| * @return the <code>SSLSessionContext</code> object |
| * @see javax.net.ssl.SSLContext#getClientSessionContext() |
| */ |
| protected abstract SSLSessionContext engineGetClientSessionContext(); |
| |
| private SSLSocket getDefaultSocket() { |
| try { |
| SSLSocketFactory factory = engineGetSocketFactory(); |
| return (SSLSocket)factory.createSocket(); |
| } catch (java.io.IOException e) { |
| throw new UnsupportedOperationException("Could not obtain parameters", e); |
| } |
| } |
| |
| /** |
| * Returns a copy of the SSLParameters indicating the default |
| * settings for this SSL context. |
| * |
| * <p>The parameters will always have the ciphersuite and protocols |
| * arrays set to non-null values. |
| * |
| * <p>The default implementation obtains the parameters from an |
| * SSLSocket created by calling the |
| * {@linkplain javax.net.SocketFactory#createSocket |
| * SocketFactory.createSocket()} method of this context's SocketFactory. |
| * |
| * @return a copy of the SSLParameters object with the default settings |
| * @throws UnsupportedOperationException if the default SSL parameters |
| * could not be obtained. |
| * |
| * @since 1.6 |
| */ |
| protected SSLParameters engineGetDefaultSSLParameters() { |
| SSLSocket socket = getDefaultSocket(); |
| return socket.getSSLParameters(); |
| } |
| |
| /** |
| * Returns a copy of the SSLParameters indicating the maximum supported |
| * settings for this SSL context. |
| * |
| * <p>The parameters will always have the ciphersuite and protocols |
| * arrays set to non-null values. |
| * |
| * <p>The default implementation obtains the parameters from an |
| * SSLSocket created by calling the |
| * {@linkplain javax.net.SocketFactory#createSocket |
| * SocketFactory.createSocket()} method of this context's SocketFactory. |
| * |
| * @return a copy of the SSLParameters object with the maximum supported |
| * settings |
| * @throws UnsupportedOperationException if the supported SSL parameters |
| * could not be obtained. |
| * |
| * @since 1.6 |
| */ |
| protected SSLParameters engineGetSupportedSSLParameters() { |
| SSLSocket socket = getDefaultSocket(); |
| SSLParameters params = new SSLParameters(); |
| params.setCipherSuites(socket.getSupportedCipherSuites()); |
| params.setProtocols(socket.getSupportedProtocols()); |
| return params; |
| } |
| |
| } |
