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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 | } | ||