ContextInsulation.java revision 6244:bd84d0927a2e 
1/*
2 * Copyright (c) 2001, 2003, 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/* @test
25 * @bug 4450891
26 * @summary verify that the java.util.ServiceLoader-based location of an
27 * RMIClassLoader provider does not require any permissions of the
28 * (arbitrary) protection domains that happens to be on the stack
29 * when RMIClassLoader is first used.
30 * @author Peter Jones
31 *
32 * @library ../../../testlibrary
33 * @build TestLibrary ServiceConfiguration TestProvider TestProvider2
34 * @run main/othervm/policy=security.policy ContextInsulation
35 */
36
37import java.security.AccessControlContext;
38import java.security.CodeSource;
39import java.security.Permissions;
40import java.security.ProtectionDomain;
41import java.security.cert.Certificate;
42
43public class ContextInsulation {
44    public static void main(String[] args) throws Exception {
45
46        /*
47         * If we delay setting the security manager until after the service
48         * configuration file has been installed, then this test still
49         * functions properly, but the -Djava.security.debug output is
50         * lacking, so to ease debugging, we'll set it early-- at the cost
51         * of having to specify the policy even when running standalone.
52         */
53        TestLibrary.suggestSecurityManager(null);
54
55        ServiceConfiguration.installServiceConfigurationFile();
56
57        /*
58         * Execute use of RMIClassLoader within an AccessControlContext
59         * that has a protection domain with no permissions, to make sure
60         * that RMIClassLoader can still properly initialize itself.
61         */
62        CodeSource codesource = new CodeSource(null, (Certificate[]) null);
63        Permissions perms = null;
64        ProtectionDomain pd = new ProtectionDomain(codesource, perms);
65        AccessControlContext acc =
66            new AccessControlContext(new ProtectionDomain[] { pd });
67
68        java.security.AccessController.doPrivileged(
69        new java.security.PrivilegedExceptionAction() {
70            public Object run() throws Exception {
71                TestProvider.exerciseTestProvider(
72                    TestProvider2.loadClassReturn,
73                    TestProvider2.loadProxyClassReturn,
74                    TestProvider2.getClassLoaderReturn,
75                    TestProvider2.getClassAnnotationReturn,
76                    TestProvider2.invocations);
77                return null;
78            }
79        }, acc);
80    }
81}
82