1 /* 2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.security.ssl; 27 28 import java.io.IOException; 29 import java.net.InetAddress; 30 import java.net.ServerSocket; 31 import javax.net.ssl.SSLServerSocketFactory; 32 33 /** 34 * This class creates SSL server sockets. 35 * 36 * @author David Brownell 37 */ 38 final public 39 class SSLServerSocketFactoryImpl extends SSLServerSocketFactory { 40 private static final int DEFAULT_BACKLOG = 50; 41 private SSLContextImpl context; 42 43 44 /** 45 * Constructor used to instantiate the default factory. This method is 46 * only called if the old "ssl.ServerSocketFactory.provider" property in the 47 * java.security file is set. 48 */ 49 public SSLServerSocketFactoryImpl() throws Exception { 50 this.context = SSLContextImpl.DefaultSSLContext.getDefaultImpl(); 51 } 52 53 /** 54 * Called from SSLContextImpl's getSSLServerSocketFactory(). 55 */ 56 SSLServerSocketFactoryImpl(SSLContextImpl context) { 57 this.context = context; 58 } 59 60 /** 61 * Returns an unbound server socket. 62 * 63 * @return the unbound socket 64 * @throws IOException if the socket cannot be created 65 * @see java.net.Socket#bind(java.net.SocketAddress) 66 */ 67 @Override 68 public ServerSocket createServerSocket() throws IOException { 69 return new SSLServerSocketImpl(context); 70 } 71 72 @Override 73 public ServerSocket createServerSocket( 74 int port) throws IOException { 75 return new SSLServerSocketImpl (context, port, DEFAULT_BACKLOG); 76 } 77 78 79 @Override 80 public ServerSocket createServerSocket ( 81 int port, int backlog) throws IOException { 82 return new SSLServerSocketImpl (context, port, backlog); 83 } 84 85 @Override 86 public ServerSocket 87 createServerSocket (int port, 88 int backlog, InetAddress ifAddress) throws IOException { 89 return new SSLServerSocketImpl (context, port, backlog, ifAddress); 90 } 91 92 /** 93 * Returns the subset of the supported cipher suites which are 94 * enabled by default. These cipher suites all provide a minimum 95 * quality of service whereby the server authenticates itself 96 * (preventing person-in-the-middle attacks) and where traffic 97 * is encrypted to provide confidentiality. 98 */ 99 @Override 100 public String[] getDefaultCipherSuites() { 101 return CipherSuite.namesOf(context.getDefaultCipherSuites(true)); 102 } 103 104 /** 105 * Returns the names of the cipher suites which could be enabled for use 106 * on an SSL connection. Normally, only a subset of these will actually 107 * be enabled by default, since this list may include cipher suites which 108 * do not support the mutual authentication of servers and clients, or 109 * which do not protect data confidentiality. Servers may also need 110 * certain kinds of certificates to use certain cipher suites. 111 * 112 * @return an array of cipher suite names 113 */ 114 @Override 115 public String[] getSupportedCipherSuites() { 116 return CipherSuite.namesOf(context.getSupportedCipherSuites()); 117 } 118 }