--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/javax/net/ssl/SSLServerSocketFactory.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) 1997, 2017, 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.io.IOException;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.SocketException;
+import javax.net.ServerSocketFactory;
+import java.security.*;
+
+/**
+ * <code>SSLServerSocketFactory</code>s create
+ * <code>SSLServerSocket</code>s.
+ *
+ * @since 1.4
+ * @see SSLSocket
+ * @see SSLServerSocket
+ * @author David Brownell
+ */
+public abstract class SSLServerSocketFactory extends ServerSocketFactory
+{
+ private static SSLServerSocketFactory theFactory;
+
+ private static boolean propertyChecked;
+
+ private static void log(String msg) {
+ if (SSLSocketFactory.DEBUG) {
+ System.out.println(msg);
+ }
+ }
+
+ /**
+ * Constructor is used only by subclasses.
+ */
+ protected SSLServerSocketFactory() { /* NOTHING */ }
+
+ /**
+ * Returns the default SSL server socket factory.
+ *
+ * <p>The first time this method is called, the security property
+ * "ssl.ServerSocketFactory.provider" is examined. If it is non-null, a
+ * class by that name is loaded and instantiated. If that is successful and
+ * the object is an instance of SSLServerSocketFactory, it is made the
+ * default SSL server socket factory.
+ *
+ * <p>Otherwise, this method returns
+ * <code>SSLContext.getDefault().getServerSocketFactory()</code>. If that
+ * call fails, an inoperative factory is returned.
+ *
+ * @return the default <code>ServerSocketFactory</code>
+ * @see SSLContext#getDefault
+ */
+ public static synchronized ServerSocketFactory getDefault() {
+ if (theFactory != null) {
+ return theFactory;
+ }
+
+ if (propertyChecked == false) {
+ propertyChecked = true;
+ String clsName = SSLSocketFactory.getSecurityProperty
+ ("ssl.ServerSocketFactory.provider");
+ if (clsName != null) {
+ log("setting up default SSLServerSocketFactory");
+ try {
+ Class<?> cls = null;
+ try {
+ cls = Class.forName(clsName);
+ } catch (ClassNotFoundException e) {
+ ClassLoader cl = ClassLoader.getSystemClassLoader();
+ if (cl != null) {
+ cls = cl.loadClass(clsName);
+ }
+ }
+ log("class " + clsName + " is loaded");
+ @SuppressWarnings("deprecation")
+ SSLServerSocketFactory fac = (SSLServerSocketFactory)cls.newInstance();
+ log("instantiated an instance of class " + clsName);
+ theFactory = fac;
+ return fac;
+ } catch (Exception e) {
+ log("SSLServerSocketFactory instantiation failed: " + e);
+ theFactory = new DefaultSSLServerSocketFactory(e);
+ return theFactory;
+ }
+ }
+ }
+
+ try {
+ return SSLContext.getDefault().getServerSocketFactory();
+ } catch (NoSuchAlgorithmException e) {
+ return new DefaultSSLServerSocketFactory(e);
+ }
+ }
+
+ /**
+ * Returns the list of cipher suites which are enabled by default.
+ * Unless a different list is enabled, handshaking on an SSL connection
+ * will use one of these cipher suites. The minimum quality of service
+ * for these defaults requires confidentiality protection and server
+ * authentication (that is, no anonymous cipher suites).
+ * <P>
+ * The returned array includes cipher suites from the list of standard
+ * cipher suite names in the <a href=
+ * "{@docRoot}/../specs/security/standard-names.html#jsse-cipher-suite-names">
+ * JSSE Cipher Suite Names</a> section of the Java Cryptography
+ * Architecture Standard Algorithm Name Documentation, and may also
+ * include other cipher suites that the provider supports.
+ *
+ * @see #getSupportedCipherSuites()
+ * @return array of the cipher suites enabled by default
+ */
+ public abstract String [] getDefaultCipherSuites();
+
+
+ /**
+ * Returns the names of the cipher suites which could be enabled for use
+ * on an SSL connection created by this factory.
+ * Normally, only a subset of these will actually
+ * be enabled by default, since this list may include cipher suites which
+ * do not meet quality of service requirements for those defaults. Such
+ * cipher suites are useful in specialized applications.
+ * <P>
+ * The returned array includes cipher suites from the list of standard
+ * cipher suite names in the <a href=
+ * "{@docRoot}/../specs/security/standard-names.html#jsse-cipher-suite-names">
+ * JSSE Cipher Suite Names</a> section of the Java Cryptography
+ * Architecture Standard Algorithm Name Documentation, and may also
+ * include other cipher suites that the provider supports.
+ *
+ * @return an array of cipher suite names
+ * @see #getDefaultCipherSuites()
+ */
+ public abstract String [] getSupportedCipherSuites();
+}
+
+
+//
+// The default factory does NOTHING.
+//
+class DefaultSSLServerSocketFactory extends SSLServerSocketFactory {
+
+ private final Exception reason;
+
+ DefaultSSLServerSocketFactory(Exception reason) {
+ this.reason = reason;
+ }
+
+ private ServerSocket throwException() throws SocketException {
+ throw (SocketException)
+ new SocketException(reason.toString()).initCause(reason);
+ }
+
+ @Override
+ public ServerSocket createServerSocket() throws IOException {
+ return throwException();
+ }
+
+
+ @Override
+ public ServerSocket createServerSocket(int port)
+ throws IOException
+ {
+ return throwException();
+ }
+
+ @Override
+ public ServerSocket createServerSocket(int port, int backlog)
+ throws IOException
+ {
+ return throwException();
+ }
+
+ @Override
+ public ServerSocket
+ createServerSocket(int port, int backlog, InetAddress ifAddress)
+ throws IOException
+ {
+ return throwException();
+ }
+
+ @Override
+ public String [] getDefaultCipherSuites() {
+ return new String[0];
+ }
+
+ @Override
+ public String [] getSupportedCipherSuites() {
+ return new String[0];
+ }
+}