File: Security.java

package info (click to toggle)
openjdk-21 21.0.8%2B9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 823,976 kB
  • sloc: java: 5,613,338; xml: 1,643,607; cpp: 1,296,296; ansic: 420,291; asm: 404,850; objc: 20,994; sh: 15,271; javascript: 11,245; python: 6,895; makefile: 2,362; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (203 lines) | stat: -rw-r--r-- 7,050 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/*
 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * @test
 * @bug 8245194
 * @run main/othervm/java.security.policy=policy1 Security policy1
 * @run main/othervm/java.security.policy=policy2 Security policy2
 * @run main/othervm -Djava.security.manager=allow Security policy3
 * @summary Security test for Unix Domain socket and server socket channels
 */

import java.io.File;
import java.io.IOException;
import java.net.SocketAddress;
import java.net.UnixDomainSocketAddress;
import java.nio.channels.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Comparator;

import static java.net.StandardProtocolFamily.UNIX;

/**
 * Tests required all with security manager
 */

public class Security {

    static interface Command {
        public void run() throws Exception;
    }

    static <T extends Exception> void call(Command r, Class<? extends Exception> expectedException) {
        boolean threw = false;
        try {
            r.run();
        } catch (Throwable t) {
            if (expectedException == null) {
                t.printStackTrace();
                throw new RuntimeException("an exception was thrown but was not expected");
            }
            threw = true;
            if (!(expectedException.isAssignableFrom(t.getClass()))) {
                throw new RuntimeException("wrong exception type thrown " + t.toString());
            }
        }
        if (expectedException != null && !threw) {
            // should have thrown
            throw new RuntimeException("% was expected".formatted(expectedException.getName()));
        }
    }


    public static void main(String[] args) throws Exception {
        try {
           SocketChannel.open(UNIX);
        } catch (UnsupportedOperationException e) {
            System.out.println("Unix domain not supported");
            return;
        }

        String policy = args[0];
        switch (policy) {
            case "policy1":
                testPolicy1();
                break;
            case "policy2":
                testPolicy2();
                break;
            case "policy3":
                testPolicy3();
                break;
        }
    }

    static void setSecurityManager(String policy) {
        String testSrc = System.getProperty("test.src");
        // Three /// required for Windows below
        String policyURL = "file:///" + testSrc + File.separator + policy;
        System.out.println("POLICY: " + policyURL);
        System.setProperty("java.security.policy", policyURL);
        System.setSecurityManager(new SecurityManager());
    }

    static void close(NetworkChannel... channels) {

        for (NetworkChannel chan : channels) {
            try {
                chan.close();
            } catch (Exception e) {
            }
        }
    }

    private static final Class<SecurityException> SE = SecurityException.class;
    private static final Class<IOException> IOE = IOException.class;

    // No permission

    public static void testPolicy1() throws Exception {
        Path servername = Path.of("sock");
        Files.deleteIfExists(servername);
        // Permission exists to bind a ServerSocketChannel
        final UnixDomainSocketAddress saddr = UnixDomainSocketAddress.of(servername);
        try (final ServerSocketChannel server = ServerSocketChannel.open(UNIX)) {
            try (final SocketChannel client = SocketChannel.open(UNIX)) {
                call(() -> {
                    server.bind(saddr);
                }, SE);
                call(() -> {
                    client.connect(saddr);
                }, SE);
            }
        } finally {
            Files.deleteIfExists(servername);
        }
    }

    // All permissions

    public static void testPolicy2() throws Exception {
        Path servername = Path.of("sock");
        Files.deleteIfExists(servername);
        final UnixDomainSocketAddress saddr = UnixDomainSocketAddress.of(servername);
        try (final ServerSocketChannel server = ServerSocketChannel.open(UNIX)) {
            try (final SocketChannel client = SocketChannel.open(UNIX)) {
                call(() -> {
                    server.bind(saddr);
                }, null);
                call(() -> {
                    client.connect(saddr);
                }, null);
                try (final SocketChannel peer = server.accept()) {
                    // Should succeed
                }
            }
        } finally {
            Files.deleteIfExists(servername);
        }
    }

    public static void testPolicy3() throws Exception {
        Path sock1 = Path.of("sock3");
        Path sock2 = null;
        Files.deleteIfExists(sock1);
        final UnixDomainSocketAddress saddr = UnixDomainSocketAddress.of(sock1);
        try (var s1 = ServerSocketChannel.open(UNIX)) {
            s1.bind(saddr);
            try (var s2 = ServerSocketChannel.open(UNIX)) {
                s2.bind(null);
                var add2 = (UnixDomainSocketAddress)s2.getLocalAddress();
                sock2 = add2.getPath();

                // Now set security manager and check if we can see addresses

                setSecurityManager("policy3");

                if (((UnixDomainSocketAddress)s1
                            .getLocalAddress())
                            .getPath()
                            .toString()
                            .length() != 0)
                {
                    throw new RuntimeException("address should have been empty");
                }

                if (((UnixDomainSocketAddress)s2
                            .getLocalAddress())
                            .getPath()
                            .toString()
                            .length() != 0)
                {
                    throw new RuntimeException("address should have been empty");
                }
            }
        } finally {
            System.setSecurityManager(null);
            Files.deleteIfExists(sock1);
            Files.deleteIfExists(sock2);
        }
    }
}