author | chegar |
Fri, 16 Sep 2011 12:09:04 -0700 | |
changeset 10596 | 39b3a979e600 |
parent 7039 | 6464c8e62a18 |
child 14194 | 971f46db533d |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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39b3a979e600
7090158: Networking Libraries don't build with javac -Werror
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* Copyright (c) 1997, 2011, 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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* 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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* |
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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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*/ |
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package javax.net.ssl; |
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import java.net.*; |
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import javax.net.SocketFactory; |
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import java.io.IOException; |
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import java.security.*; |
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import java.util.Locale; |
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import sun.security.action.GetPropertyAction; |
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/** |
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* <code>SSLSocketFactory</code>s create <code>SSLSocket</code>s. |
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* |
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* @since 1.4 |
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* @see SSLSocket |
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* @author David Brownell |
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*/ |
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public abstract class SSLSocketFactory extends SocketFactory |
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{ |
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private static SSLSocketFactory theFactory; |
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private static boolean propertyChecked; |
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static final boolean DEBUG; |
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static { |
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String s = java.security.AccessController.doPrivileged( |
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new GetPropertyAction("javax.net.debug", "")).toLowerCase( |
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Locale.ENGLISH); |
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DEBUG = s.contains("all") || s.contains("ssl"); |
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} |
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private static void log(String msg) { |
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if (DEBUG) { |
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System.out.println(msg); |
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} |
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} |
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/** |
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* Constructor is used only by subclasses. |
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*/ |
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public SSLSocketFactory() { |
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} |
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/** |
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* Returns the default SSL socket factory. |
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* |
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* <p>The first time this method is called, the security property |
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* "ssl.SocketFactory.provider" is examined. If it is non-null, a class by |
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* that name is loaded and instantiated. If that is successful and the |
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* object is an instance of SSLSocketFactory, it is made the default SSL |
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* socket factory. |
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* |
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* <p>Otherwise, this method returns |
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* <code>SSLContext.getDefault().getSocketFactory()</code>. If that |
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* call fails, an inoperative factory is returned. |
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* |
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* @return the default <code>SocketFactory</code> |
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* @see SSLContext#getDefault |
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*/ |
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public static synchronized SocketFactory getDefault() { |
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if (theFactory != null) { |
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return theFactory; |
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} |
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if (propertyChecked == false) { |
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propertyChecked = true; |
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String clsName = getSecurityProperty("ssl.SocketFactory.provider"); |
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if (clsName != null) { |
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log("setting up default SSLSocketFactory"); |
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try { |
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10596
39b3a979e600
7090158: Networking Libraries don't build with javac -Werror
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parents:
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diff
changeset
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Class<?> cls = null; |
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try { |
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cls = Class.forName(clsName); |
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} catch (ClassNotFoundException e) { |
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ClassLoader cl = ClassLoader.getSystemClassLoader(); |
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if (cl != null) { |
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cls = cl.loadClass(clsName); |
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} |
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} |
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log("class " + clsName + " is loaded"); |
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SSLSocketFactory fac = (SSLSocketFactory)cls.newInstance(); |
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log("instantiated an instance of class " + clsName); |
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theFactory = fac; |
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return fac; |
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} catch (Exception e) { |
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log("SSLSocketFactory instantiation failed: " + e.toString()); |
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theFactory = new DefaultSSLSocketFactory(e); |
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return theFactory; |
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} |
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} |
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} |
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try { |
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return SSLContext.getDefault().getSocketFactory(); |
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} catch (NoSuchAlgorithmException e) { |
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return new DefaultSSLSocketFactory(e); |
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} |
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} |
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static String getSecurityProperty(final String name) { |
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return AccessController.doPrivileged(new PrivilegedAction<String>() { |
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public String run() { |
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String s = java.security.Security.getProperty(name); |
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if (s != null) { |
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s = s.trim(); |
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if (s.length() == 0) { |
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s = null; |
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} |
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} |
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return s; |
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} |
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}); |
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} |
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/** |
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* Returns the list of cipher suites which are enabled by default. |
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* Unless a different list is enabled, handshaking on an SSL connection |
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* will use one of these cipher suites. The minimum quality of service |
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* for these defaults requires confidentiality protection and server |
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* authentication (that is, no anonymous cipher suites). |
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* |
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* @see #getSupportedCipherSuites() |
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* @return array of the cipher suites enabled by default |
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*/ |
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public abstract String [] getDefaultCipherSuites(); |
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/** |
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* Returns the names of the cipher suites which could be enabled for use |
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* on an SSL connection. Normally, only a subset of these will actually |
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* be enabled by default, since this list may include cipher suites which |
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* do not meet quality of service requirements for those defaults. Such |
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* cipher suites are useful in specialized applications. |
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* |
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* @see #getDefaultCipherSuites() |
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* @return an array of cipher suite names |
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*/ |
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public abstract String [] getSupportedCipherSuites(); |
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/** |
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* Returns a socket layered over an existing socket connected to the named |
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* host, at the given port. This constructor can be used when tunneling SSL |
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* through a proxy or when negotiating the use of SSL over an existing |
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* socket. The host and port refer to the logical peer destination. |
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* This socket is configured using the socket options established for |
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* this factory. |
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* |
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* @param s the existing socket |
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* @param host the server host |
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* @param port the server port |
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* @param autoClose close the underlying socket when this socket is closed |
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* @return a socket connected to the specified host and port |
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* @throws IOException if an I/O error occurs when creating the socket |
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* @throws NullPointerException if the parameter s is null |
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*/ |
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public abstract Socket createSocket(Socket s, String host, |
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int port, boolean autoClose) |
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throws IOException; |
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} |
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// file private |
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class DefaultSSLSocketFactory extends SSLSocketFactory |
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{ |
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private Exception reason; |
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DefaultSSLSocketFactory(Exception reason) { |
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this.reason = reason; |
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} |
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private Socket throwException() throws SocketException { |
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throw (SocketException) |
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new SocketException(reason.toString()).initCause(reason); |
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} |
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public Socket createSocket() |
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throws IOException |
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{ |
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return throwException(); |
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} |
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public Socket createSocket(String host, int port) |
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throws IOException |
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{ |
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return throwException(); |
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} |
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public Socket createSocket(Socket s, String host, |
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int port, boolean autoClose) |
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throws IOException |
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{ |
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return throwException(); |
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} |
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public Socket createSocket(InetAddress address, int port) |
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throws IOException |
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{ |
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return throwException(); |
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} |
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public Socket createSocket(String host, int port, |
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InetAddress clientAddress, int clientPort) |
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throws IOException |
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{ |
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return throwException(); |
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} |
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public Socket createSocket(InetAddress address, int port, |
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InetAddress clientAddress, int clientPort) |
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throws IOException |
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{ |
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return throwException(); |
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} |
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public String [] getDefaultCipherSuites() { |
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return new String[0]; |
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} |
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public String [] getSupportedCipherSuites() { |
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return new String[0]; |
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} |
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} |