/*
* Copyright ( c ) 2001 , 2021 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/*
* @ test
* @ bug 4399067 8179880
* @ summary Subject . doAs ( null , action ) does not clear the executing subject
* @ run main / othervm / policy = policy Test
*/
import javax.security.auth.Subject;
import javax.security.auth.x500.X500Principal;
import java.security.*;
import java.util.*;
public class Test {
public static Subject get(String name) {
return new Subject(true ,
Collections.singleton(new X500Principal(name)),
new HashSet(),
Collections.singleton(Boolean .TRUE ));
}
public static void main(String[] args) {
System.setSecurityManager(new SecurityManager());
try {
Subject.doAsPrivileged(get("CN=joe" ), new PrivilegedAction() {
public Object run() {
return Subject.doAs(null , new PrivilegedAction() {
public Object run() {
return System.getProperty("foobar" );
}
});
}
}, null );
throw new RuntimeException(
"AccessControlException should have occcured" );
} catch (java.security.AccessControlException e) {
// Expected exception occurred
e.printStackTrace(System.out);
System.out.println("Expected exception occurred" );
}
}
}
Messung V0.5 in Prozent C=89 H=93 G=90
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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