1/*
2 * Copyright (c) 2016, 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
24import java.io.ByteArrayInputStream;
25import java.io.InvalidClassException;
26import java.io.ObjectInputFilter;
27import java.io.ObjectInputStream;
28import java.io.Serializable;
29import java.security.Security;
30
31import org.testng.annotations.BeforeClass;
32import org.testng.annotations.DataProvider;
33import org.testng.annotations.Test;
34
35import static org.testng.Assert.assertTrue;
36import static org.testng.Assert.fail;
37
38/* @test
39 * @build MixedFiltersTest SerialFilterTest
40 * @run testng/othervm -Djdk.serialFilter=!java.**;!java.lang.Long;maxdepth=5;maxarray=5;maxbytes=90;maxrefs=5          MixedFiltersTest
41 * @run testng/othervm -Djdk.serialFilter=java.**;java.lang.Long;maxdepth=1000;maxarray=1000;maxbytes=1000;maxrefs=1000 MixedFiltersTest
42 *
43 * @summary Test that when both global filter and specific filter are set,
44 *          global filter will not affect specific filter.
45 */
46
47public class MixedFiltersTest implements Serializable {
48
49    private static final long serialVersionUID = 1234567890L;
50
51
52    boolean globalRejected;
53
54    @BeforeClass
55    public void setup() {
56        String pattern = System.getProperty("jdk.serialFilter",
57                Security.getProperty("jdk.serialFilter"));
58        globalRejected = pattern.startsWith("!");
59    }
60
61    @DataProvider(name="RejectedInGlobal")
62    Object[][] rejectedInGlobal() {
63        if (!globalRejected) {
64            return new Object[0][];
65        }
66        return new Object[][] {
67                new Object[] { Long.MAX_VALUE, "java.**" },
68                new Object[] { Long.MAX_VALUE, "java.lang.Long" },
69                new Object[] { SerialFilterTest.genTestObject("java.lang.**", true), "java.lang.**" },
70                new Object[] { SerialFilterTest.genTestObject("maxdepth=10", true), "maxdepth=100" },
71                new Object[] { SerialFilterTest.genTestObject("maxarray=10", true), "maxarray=100" },
72                new Object[] { SerialFilterTest.genTestObject("maxbytes=100", true), "maxbytes=1000" },
73                new Object[] { SerialFilterTest.genTestObject("maxrefs=10", true), "maxrefs=100" },
74        };
75    }
76
77    /**
78     * Test:
79     *   "global filter reject" + "specific ObjectInputStream filter is empty" => should reject
80     *   "global filter reject" + "specific ObjectInputStream filter allow"    => should allow
81     */
82    @Test(dataProvider="RejectedInGlobal")
83    public void testRejectedInGlobal(Object toDeserialized, String pattern) throws Exception {
84        byte[] bytes = SerialFilterTest.writeObjects(toDeserialized);
85        try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
86                ObjectInputStream ois = new ObjectInputStream(bais)) {
87            Object o = ois.readObject();
88            fail("filter should have thrown an exception");
89        } catch (InvalidClassException expected) { }
90
91        ObjectInputFilter filter = ObjectInputFilter.Config.createFilter(pattern);
92        try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
93                ObjectInputStream ois = new ObjectInputStream(bais)) {
94            ois.setObjectInputFilter(filter);
95            Object o = ois.readObject();
96        }
97    }
98
99    @DataProvider(name="AllowedInGlobal")
100    Object[][] allowedInGlobal() {
101        if (globalRejected) {
102            return new Object[0][];
103        }
104
105        return new Object[][] {
106                new Object[] { Long.MAX_VALUE, "!java.**" },
107                new Object[] { Long.MAX_VALUE, "!java.lang.Long" },
108                new Object[] { SerialFilterTest.genTestObject("java.lang.**", true), "!java.lang.**" },
109                new Object[] { SerialFilterTest.genTestObject("maxdepth=10", true), "maxdepth=5" },
110                new Object[] { SerialFilterTest.genTestObject("maxarray=10", true), "maxarray=5" },
111                new Object[] { SerialFilterTest.genTestObject("maxbytes=100", true), "maxbytes=5" },
112                new Object[] { SerialFilterTest.genTestObject("maxrefs=10", true), "maxrefs=5" },
113            };
114    }
115
116    /**
117     * Test:
118     *   "global filter allow" + "specific ObjectInputStream filter is empty" => should allow
119     *   "global filter allow" + "specific ObjectInputStream filter reject"   => should reject
120     */
121    @Test(dataProvider="AllowedInGlobal")
122    public void testAllowedInGlobal(Object toDeserialized, String pattern) throws Exception {
123        byte[] bytes = SerialFilterTest.writeObjects(toDeserialized);
124        try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
125                ObjectInputStream ois = new ObjectInputStream(bais)) {
126            Object o = ois.readObject();
127        }
128
129        ObjectInputFilter filter = ObjectInputFilter.Config.createFilter(pattern);
130        try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
131                ObjectInputStream ois = new ObjectInputStream(bais)) {
132            ois.setObjectInputFilter(filter);
133            Object o = ois.readObject();
134            assertTrue(false, "filter should have thrown an exception");
135        } catch (InvalidClassException expected) { }
136    }
137}
138