1 /*
   2  * Copyright (c) 2020, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 //
  25 // SunJSSE does not support dynamic system properties, no way to re-use
  26 // system properties in samevm/agentvm mode.
  27 //
  28 
  29 /*
  30  * @test
  31  * @bug 8202343
  32  * @summary Check that SSLv3, TLSv1 and TLSv1.1 are disabled by default
  33  * @run main/othervm SSLContextDefault
  34  */
  35 
  36 import java.util.Arrays;
  37 import java.util.Collections;
  38 import java.util.List;
  39 import javax.net.ssl.*;
  40 
  41 public class SSLContextDefault {
  42 
  43     private final static String[] protocols = {
  44         "", "SSL", "TLS", "SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2", "TLSv1.3"
  45     };
  46 
  47     private final static List<String> disabledProtocols;
  48 
  49     static {
  50         List<String> protocols = Arrays.asList("SSLv3", "TLSv1", "TLSv1.1");
  51         protocols = Collections.unmodifiableList(protocols);
  52         disabledProtocols = protocols;
  53     }
  54 
  55     public static void main(String[] args) throws Exception {
  56         for (String protocol : protocols) {
  57             System.out.println("//");
  58             System.out.println("// " + "Testing for SSLContext of " +
  59                     (protocol.isEmpty() ? "<default>" : protocol));
  60             System.out.println("//");
  61             checkForProtocols(protocol);
  62             System.out.println();
  63         }
  64     }
  65 
  66     public static void checkForProtocols(String protocol) throws Exception {
  67         SSLContext context;
  68         if (protocol.isEmpty()) {
  69             context = SSLContext.getDefault();
  70         } else {
  71             context = SSLContext.getInstance(protocol);
  72             context.init(null, null, null);
  73         }
  74 
  75         // check for the presence of supported protocols of SSLContext
  76         SSLParameters parameters = context.getSupportedSSLParameters();
  77         checkProtocols(parameters.getProtocols(),
  78                 "Supported protocols in SSLContext", false);
  79 
  80 
  81         // check for the presence of default protocols of SSLContext
  82         parameters = context.getDefaultSSLParameters();
  83         checkProtocols(parameters.getProtocols(),
  84                 "Enabled protocols in SSLContext", true);
  85 
  86         // check for the presence of supported protocols of SSLEngine
  87         SSLEngine engine = context.createSSLEngine();
  88         checkProtocols(engine.getSupportedProtocols(),
  89                 "Supported protocols in SSLEngine", false);
  90 
  91         // Check for the presence of default protocols of SSLEngine
  92         checkProtocols(engine.getEnabledProtocols(),
  93                 "Enabled protocols in SSLEngine", true);
  94 
  95         SSLSocketFactory factory = context.getSocketFactory();
  96         try (SSLSocket socket = (SSLSocket)factory.createSocket()) {
  97             // check for the presence of supported protocols of SSLSocket
  98             checkProtocols(socket.getSupportedProtocols(),
  99                 "Supported cipher suites in SSLSocket", false);
 100 
 101             // Check for the presence of default protocols of SSLSocket
 102             checkProtocols(socket.getEnabledProtocols(),
 103                 "Enabled protocols in SSLSocket", true);
 104         }
 105 
 106         SSLServerSocketFactory serverFactory = context.getServerSocketFactory();
 107         try (SSLServerSocket serverSocket =
 108                 (SSLServerSocket)serverFactory.createServerSocket()) {
 109             // check for the presence of supported protocols of SSLServerSocket
 110             checkProtocols(serverSocket.getSupportedProtocols(),
 111                 "Supported cipher suites in SSLServerSocket", false);
 112 
 113             // Check for the presence of default protocols of SSLServerSocket
 114             checkProtocols(serverSocket.getEnabledProtocols(),
 115                 "Enabled protocols in SSLServerSocket", true);
 116         }
 117     }
 118 
 119     private static void checkProtocols(String[] protocols,
 120             String title, boolean disabled) throws Exception {
 121         showProtocols(protocols, title);
 122 
 123         if (disabled) {
 124             for (String protocol : protocols ) {
 125                 if (disabledProtocols.contains(protocol)) {
 126                     throw new Exception(protocol +
 127                                         " should not be enabled by default");
 128                 }
 129             }
 130         } else {
 131             List<String> protocolsList = Arrays.asList(protocols);
 132             protocolsList = Collections.unmodifiableList(protocolsList);
 133             for (String disabledProtocol : disabledProtocols) {
 134                 if (!protocolsList.contains(disabledProtocol)) {
 135                     throw new Exception(disabledProtocol +
 136                                         " should be supported by default");
 137                 }
 138             }
 139         }
 140     }
 141 
 142     private static void showProtocols(String[] protocols, String title) {
 143         System.out.println(title + "[" + protocols.length + "]:");
 144         for (String protocol : protocols) {
 145             System.out.println("  " + protocol);
 146         }
 147     }
 148 }