68ef8f6035
Disallow entries whose key or value contains the null control character '\u0000' from being stored in the preferences node. Reviewed-by: psandoz, rriggs
90 lines
3.1 KiB
Java
90 lines
3.1 KiB
Java
/*
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* Copyright (c) 2015, 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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import java.lang.reflect.Constructor;
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import java.util.prefs.Preferences;
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import java.util.prefs.PreferencesFactory;
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/*
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* @test
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* @bug 8068373
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* @summary Ensure writing a code point U+0000 null control character is detected.
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*/
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public class CodePointZeroPrefsTest
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{
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public static void main(String[] args) throws Exception
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{
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int failures = 0;
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// Deliberately reflect so you can reproduce it on any platform.
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Constructor<? extends PreferencesFactory> constructor =
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Class.forName("java.util.prefs.FileSystemPreferencesFactory").asSubclass(PreferencesFactory.class).getDeclaredConstructor();
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constructor.setAccessible(true);
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PreferencesFactory factory = constructor.newInstance();
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Preferences node = factory.userRoot().node("com/acme/testing");
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// legal key and value
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try {
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node.put("a", "1");
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} catch (IllegalArgumentException iae) {
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System.err.println("Unexpected IllegalArgumentException for legal key");
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failures++;
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}
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// illegal key only
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int numIAEs = 0;
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try {
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node.put("a\u0000b", "1");
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System.err.println("IllegalArgumentException not thrown for illegal key");
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failures++;
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} catch (IllegalArgumentException iae) {
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// do nothing
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}
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// illegal value only
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numIAEs = 0;
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try {
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node.put("ab", "2\u00003");
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System.err.println("IllegalArgumentException not thrown for illegal value");
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failures++;
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} catch (IllegalArgumentException iae) {
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// do nothing
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}
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// illegal key and value
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numIAEs = 0;
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try {
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node.put("a\u0000b", "2\u00003");
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System.err.println("IllegalArgumentException not thrown for illegal entry");
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failures++;
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} catch (IllegalArgumentException iae) {
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// do nothing
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}
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if (failures != 0) {
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throw new RuntimeException("CodePointZeroPrefsTest failed with "
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+ failures + " errors!");
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}
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}
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}
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