1 /*
   2  * Copyright (c) 2000, 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  * @test
  26  * @bug 8208279
  27  * @summary Tests that when we remove environment properties from a context,
  28  *          its changes are reflected in the environment properties of any
  29  *          child context derived from the context.
  30  * @library ../lib/
  31  * @modules java.base/sun.security.util
  32  * @run main RemoveInherited
  33  */
  34 
  35 import javax.naming.Context;
  36 import javax.naming.NamingException;
  37 import javax.naming.directory.InitialDirContext;
  38 import java.util.Hashtable;
  39 
  40 public class RemoveInherited extends EnvTestBase {
  41 
  42     private static final String IRRELEVANT_PROPERTY_NAME = "some.irrelevant.property";
  43     private static final String IRRELEVANT_PROPERTY_VALUE = "somevalue";
  44     private static final String DNS_RECURSION_PROPERTY_NAME = "com.sun.jndi.dns.recursion";
  45     private static final String DNS_RECURSION_PROPERTY_VALUE = "false";
  46 
  47     public static void main(String[] args) throws Exception {
  48         new RemoveInherited().run(args);
  49     }
  50 
  51     /*
  52      * Tests that when we remove environment properties from a context,
  53      * its changes are reflected in the environment properties of any
  54      * child context derived from the context.
  55      */
  56     @Override public void runTest() throws Exception {
  57         initContext();
  58 
  59         // some.irrelevant.property been set in initContext(), should not be null
  60         Object val = context().removeFromEnvironment(IRRELEVANT_PROPERTY_NAME);
  61 
  62         if (!IRRELEVANT_PROPERTY_VALUE.equals(val)) {
  63             throw new RuntimeException(
  64                     "Failed: unexpected return value for removeFromEnvironment: "
  65                             + val);
  66         }
  67 
  68         Context child = (Context) context().lookup(getKey());
  69 
  70         Hashtable<?,?> envParent = context().getEnvironment();
  71         Hashtable<?,?> envChild = child.getEnvironment();
  72 
  73         DNSTestUtils.debug(child);
  74         DNSTestUtils.debug("Parent env: " + envParent);
  75         DNSTestUtils.debug("Child env: " + envChild);
  76 
  77         verifyEnvProperty(envParent, DNS_RECURSION_PROPERTY_NAME,
  78                 DNS_RECURSION_PROPERTY_VALUE);
  79         verifyEnvProperty(envParent, IRRELEVANT_PROPERTY_NAME, null);
  80         verifyEnvProperty(envChild, DNS_RECURSION_PROPERTY_NAME,
  81                 DNS_RECURSION_PROPERTY_VALUE);
  82         verifyEnvProperty(envChild, IRRELEVANT_PROPERTY_NAME, null);
  83     }
  84 
  85     private void initContext() throws NamingException {
  86         env().put(DNS_RECURSION_PROPERTY_NAME, DNS_RECURSION_PROPERTY_VALUE);
  87         env().put(IRRELEVANT_PROPERTY_NAME, IRRELEVANT_PROPERTY_VALUE);
  88         setContext(new InitialDirContext(env()));
  89     }
  90 }