67 lines
2.3 KiB
Java
67 lines
2.3 KiB
Java
/*
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* Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 4892913
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* @summary Subject.getPrivateCredentials not thread-safe against changes to
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* principals
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* @run main/othervm/policy=Synch2.policy Synch2
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*/
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import java.util.Iterator;
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import java.util.Set;
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import javax.security.auth.Subject;
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import javax.security.auth.x500.X500Principal;
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public class Synch2 {
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public static void main(String[] args) {
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System.setSecurityManager(new SecurityManager());
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Subject subject = new Subject();
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final Set principals = subject.getPrincipals();
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principals.add(new X500Principal("CN=Alice"));
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final Set credentials = subject.getPrivateCredentials();
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credentials.add("Dummy credential");
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new Thread() {
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{
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setDaemon(true);
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start();
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}
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public void run() {
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X500Principal p = new X500Principal("CN=Bob");
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while (true) {
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principals.add(p);
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principals.remove(p);
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}
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}
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};
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for (int i = 0; i < 1000; i++) {
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synchronized (credentials) {
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for (Iterator it = credentials.iterator(); it.hasNext(); ) {
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it.next();
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}
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}
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}
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}
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}
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