russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
115 lines
3.8 KiB
Java
115 lines
3.8 KiB
Java
/*
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* Copyright (c) 2016, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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*
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* @test
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* @bug 8168127 8354053
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* @summary FilePermissionCollection merges incorrectly
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* @modules java.base/java.io:open
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* @library /test/lib
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* @build jdk.test.lib.Asserts
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* @run main FilePermissionCollectionMerge
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*/
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import java.io.FilePermission;
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import java.lang.reflect.Method;
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import java.security.Permissions;
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import jdk.test.lib.Asserts;
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@SuppressWarnings("removal")
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public class FilePermissionCollectionMerge {
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public static void main(String[] args) throws Exception {
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test("x");
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test("x/*");
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test("x/-");
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test("*");
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test("-");
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test("/x");
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test("/x/*");
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test("/x/-");
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}
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static void test(String arg) throws Exception {
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Method altPathMethod;
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Method plusAltPathMethod;
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try {
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altPathMethod = FilePermission.class.getDeclaredMethod("newPermUsingAltPath");
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altPathMethod.setAccessible(true);
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plusAltPathMethod = FilePermission.class.getDeclaredMethod("newPermPlusAltPath");
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plusAltPathMethod.setAccessible(true);
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} catch (Exception ex) {
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System.err.println("File permission compatibility initialization failed");
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throw ex;
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}
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FilePermission fp1 = new FilePermission(arg, "read");
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FilePermission fp2 = (FilePermission) altPathMethod.invoke(fp1);
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FilePermission fp3 = (FilePermission) plusAltPathMethod.invoke(fp1);
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// All 3 are different
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Asserts.assertNE(fp1, fp2);
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Asserts.assertNE(fp1.hashCode(), fp2.hashCode());
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Asserts.assertNE(fp1, fp3);
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Asserts.assertNE(fp1.hashCode(), fp3.hashCode());
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Asserts.assertNE(fp2, fp3);
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Asserts.assertNE(fp2.hashCode(), fp3.hashCode());
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// The plus one implies the other 2
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Asserts.assertTrue(fp3.implies(fp1));
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Asserts.assertTrue(fp3.implies(fp2));
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// The using one different from original
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Asserts.assertFalse(fp2.implies(fp1));
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Asserts.assertFalse(fp1.implies(fp2));
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// FilePermssionCollection::implies always works
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testMerge(fp1);
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testMerge(fp2);
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testMerge(fp3);
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testMerge(fp1, fp2);
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testMerge(fp1, fp3);
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testMerge(fp2, fp1);
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testMerge(fp2, fp3);
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testMerge(fp3, fp1);
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testMerge(fp3, fp2);
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testMerge(fp1, fp2, fp3);
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testMerge(fp2, fp3, fp1);
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testMerge(fp3, fp1, fp2);
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}
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// Add all into a collection, and check if it implies the last one.
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static void testMerge(FilePermission... fps) {
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java.security.Permissions perms = new Permissions();
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FilePermission last = null;
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for (FilePermission fp : fps) {
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perms.add(fp);
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last = fp;
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}
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Asserts.assertTrue(perms.implies(last));
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}
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}
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