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 * Copyright (c) 2018, 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 8186186 8209829
 * @library /test/lib
 * @compile -XDignore.symbol.file SpnegoUnknownMech.java
 * @run main jdk.test.lib.FileInstaller TestHosts TestHosts
 * @run main/othervm/fail -Djdk.net.hosts.file=TestHosts SpnegoUnknownMech
 */

import sun.security.jgss.GSSUtil;

public class SpnegoUnknownMech {

    public static void main(String[] args) throws Exception {

        new OneKDC(null).writeJAASConf();

        Context c, s;
        c = Context.fromJAAS("client");
        s = Context.fromJAAS("server");

        c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_SPNEGO_MECH_OID);
        s.startAsServer(GSSUtil.GSS_SPNEGO_MECH_OID);

        byte[] init = c.take(new byte[0]);
        // Modify the krb5 mech OID inside NegTokenInit to something else
        init[0x20] = 10;
        s.take(init);

        s.dispose();
        c.dispose();
    }
}