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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2011, 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.*; | |
| 29 | +import java.net.*; | |
| 30 | +import javax.net.ssl.SSLSocketFactory; | |
| 31 | +import javax.net.ssl.SSLSocket; | |
| 32 | + | |
| 33 | + | |
| 34 | +/** | |
| 35 | + * Implementation of an SSL socket factory. This provides the public | |
| 36 | + * hooks to create SSL sockets, using a "high level" programming | |
| 37 | + * interface which encapsulates system security policy defaults rather than | |
| 38 | + * offering application flexibility. In particular, it uses a configurable | |
| 39 | + * authentication context (and the keys held there) rather than offering | |
| 40 | + * any flexibility about which keys to use; that context defaults to the | |
| 41 | + * process-default context, but may be explicitly specified. | |
| 42 | + * | |
| 43 | + * @author David Brownell | |
| 44 | + */ | |
| 45 | +final public class SSLSocketFactoryImpl extends SSLSocketFactory { | |
| 46 | + | |
| 47 | + private static SSLContextImpl defaultContext; | |
| 48 | + private SSLContextImpl context; | |
| 49 | + | |
| 50 | + /** | |
| 51 | + * Constructor used to instantiate the default factory. This method is | |
| 52 | + * only called if the old "ssl.SocketFactory.provider" property in the | |
| 53 | + * java.security file is set. | |
| 54 | + */ | |
| 55 | + public SSLSocketFactoryImpl() throws Exception { | |
| 56 | + this.context = SSLContextImpl.DefaultSSLContext.getDefaultImpl(); | |
| 57 | + } | |
| 58 | + | |
| 59 | + /** | |
| 60 | + * Constructs an SSL socket factory. | |
| 61 | + */ | |
| 62 | + SSLSocketFactoryImpl(SSLContextImpl context) { | |
| 63 | + this.context = context; | |
| 64 | + } | |
| 65 | + | |
| 66 | + /** | |
| 67 | + * Creates an unconnected socket. | |
| 68 | + * | |
| 69 | + * @return the unconnected socket | |
| 70 | + * @see java.net.Socket#connect(java.net.SocketAddress, int) | |
| 71 | + */ | |
| 72 | + public Socket createSocket() { | |
| 73 | + return new SSLSocketImpl(context); | |
| 74 | + } | |
| 75 | + | |
| 76 | + /** | |
| 77 | + * Constructs an SSL connection to a named host at a specified port. | |
| 78 | + * This acts as the SSL client, and may authenticate itself or rejoin | |
| 79 | + * existing SSL sessions allowed by the authentication context which | |
| 80 | + * has been configured. | |
| 81 | + * | |
| 82 | + * @param host name of the host with which to connect | |
| 83 | + * @param port number of the server's port | |
| 84 | + */ | |
| 85 | + public Socket createSocket(String host, int port) | |
| 86 | + throws IOException, UnknownHostException | |
| 87 | + { | |
| 88 | + return new SSLSocketImpl(context, host, port); | |
| 89 | + } | |
| 90 | + | |
| 91 | + /** | |
| 92 | + * Returns a socket layered over an existing socket to a | |
| 93 | + * ServerSocket on the named host, at the given port. This | |
| 94 | + * constructor can be used when tunneling SSL through a proxy. The | |
| 95 | + * host and port refer to the logical destination server. This | |
| 96 | + * socket is configured using the socket options established for | |
| 97 | + * this factory. | |
| 98 | + * | |
| 99 | + * @param s the existing socket | |
| 100 | + * @param host the server host | |
| 101 | + * @param port the server port | |
| 102 | + * @param autoClose close the underlying socket when this socket is closed | |
| 103 | + * | |
| 104 | + * @exception IOException if the connection can't be established | |
| 105 | + * @exception UnknownHostException if the host is not known | |
| 106 | + */ | |
| 107 | + public Socket createSocket(Socket s, String host, int port, | |
| 108 | + boolean autoClose) throws IOException { | |
| 109 | + return new SSLSocketImpl(context, s, host, port, autoClose); | |
| 110 | + } | |
| 111 | + | |
| 112 | + | |
| 113 | + /** | |
| 114 | + * Constructs an SSL connection to a server at a specified address | |
| 115 | + * and TCP port. This acts as the SSL client, and may authenticate | |
| 116 | + * itself or rejoin existing SSL sessions allowed by the authentication | |
| 117 | + * context which has been configured. | |
| 118 | + * | |
| 119 | + * @param address the server's host | |
| 120 | + * @param port its port | |
| 121 | + */ | |
| 122 | + public Socket createSocket(InetAddress address, int port) | |
| 123 | + throws IOException | |
| 124 | + { | |
| 125 | + return new SSLSocketImpl(context, address, port); | |
| 126 | + } | |
| 127 | + | |
| 128 | + | |
| 129 | + /** | |
| 130 | + * Constructs an SSL connection to a named host at a specified port. | |
| 131 | + * This acts as the SSL client, and may authenticate itself or rejoin | |
| 132 | + * existing SSL sessions allowed by the authentication context which | |
| 133 | + * has been configured. The socket will also bind() to the local | |
| 134 | + * address and port supplied. | |
| 135 | + */ | |
| 136 | + public Socket createSocket(String host, int port, | |
| 137 | + InetAddress clientAddress, int clientPort) | |
| 138 | + throws IOException | |
| 139 | + { | |
| 140 | + return new SSLSocketImpl(context, host, port, | |
| 141 | + clientAddress, clientPort); | |
| 142 | + } | |
| 143 | + | |
| 144 | + /** | |
| 145 | + * Constructs an SSL connection to a server at a specified address | |
| 146 | + * and TCP port. This acts as the SSL client, and may authenticate | |
| 147 | + * itself or rejoin existing SSL sessions allowed by the authentication | |
| 148 | + * context which has been configured. The socket will also bind() to | |
| 149 | + * the local address and port supplied. | |
| 150 | + */ | |
| 151 | + public Socket createSocket(InetAddress address, int port, | |
| 152 | + InetAddress clientAddress, int clientPort) | |
| 153 | + throws IOException | |
| 154 | + { | |
| 155 | + return new SSLSocketImpl(context, address, port, | |
| 156 | + clientAddress, clientPort); | |
| 157 | + } | |
| 158 | + | |
| 159 | + | |
| 160 | + /** | |
| 161 | + * Returns the subset of the supported cipher suites which are | |
| 162 | + * enabled by default. These cipher suites all provide a minimum | |
| 163 | + * quality of service whereby the server authenticates itself | |
| 164 | + * (preventing person-in-the-middle attacks) and where traffic | |
| 165 | + * is encrypted to provide confidentiality. | |
| 166 | + */ | |
| 167 | + public String[] getDefaultCipherSuites() { | |
| 168 | + return context.getDefaultCipherSuiteList(false).toStringArray(); | |
| 169 | + } | |
| 170 | + | |
| 171 | + /** | |
| 172 | + * Returns the names of the cipher suites which could be enabled for use | |
| 173 | + * on an SSL connection. Normally, only a subset of these will actually | |
| 174 | + * be enabled by default, since this list may include cipher suites which | |
| 175 | + * do not support the mutual authentication of servers and clients, or | |
| 176 | + * which do not protect data confidentiality. Servers may also need | |
| 177 | + * certain kinds of certificates to use certain cipher suites. | |
| 178 | + */ | |
| 179 | + public String[] getSupportedCipherSuites() { | |
| 180 | + return context.getSuportedCipherSuiteList().toStringArray(); | |
| 181 | + } | |
| 182 | +} | |