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72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
/*
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* Copyright (c) 1999, 2024, 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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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package com.sun.jndi.ldap;
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public final class VersionHelper {
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private static final VersionHelper helper = new VersionHelper();
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/**
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* Determines whether objects may be deserialized or reconstructed from a content of
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* 'javaSerializedData', 'javaRemoteLocation' or 'javaReferenceAddress' LDAP attributes.
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*/
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private static final boolean trustSerialData;
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static {
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// System property to control whether classes are allowed to be loaded from
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// 'javaSerializedData', 'javaRemoteLocation' or 'javaReferenceAddress' attributes.
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String trustSerialDataSp = System.getProperty(
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"com.sun.jndi.ldap.object.trustSerialData", "false");
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trustSerialData = "true".equalsIgnoreCase(trustSerialDataSp);
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}
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private VersionHelper() {
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}
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static VersionHelper getVersionHelper() {
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return helper;
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}
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/**
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* Returns true if deserialization or reconstruction of objects from
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* 'javaSerializedData', 'javaRemoteLocation' and 'javaReferenceAddress'
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* LDAP attributes is allowed.
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*
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* @return true if deserialization is allowed; false - otherwise
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*/
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public static boolean isSerialDataAllowed() {
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return trustSerialData;
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}
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Class<?> loadClass(String className) throws ClassNotFoundException {
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return Class.forName(className, true,
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Thread.currentThread().getContextClassLoader());
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}
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Thread createThread(Runnable r) {
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return new Thread(r);
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}
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}
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