/*
* Copyright (c) 2013, 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.
*
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*/
/*
* @test
* @bug 8028780
* @summary JDK KRB5 module throws OutOfMemoryError when CCache is corrupt
* @run main/othervm -Xmx8m GssMemoryIssues
*/
import org.ietf.jgss.GSSException;
import org.ietf.jgss.GSSManager;
import org.ietf.jgss.GSSName;
public class GssMemoryIssues {
public static void main(String[] argv) throws Exception {
GSSManager man = GSSManager.getInstance();
String s = "me@REALM";
GSSName name = man.createName(s, GSSName.NT_USER_NAME);
byte[] exported = name.export();
// Offset of the length of the mech name. Length in big endian
int lenOffset = exported.length - s.length() - 4;
// Make it huge
exported[lenOffset] = 0x7f;
try {
man.createName(exported, GSSName.NT_EXPORT_NAME);
} catch (GSSException gsse) {
System.out.println(gsse);
}
}
}