/*

 * 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

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 */

/*

 * @test

 * @summary default principal can act as anyone

 * @compile -XDignore.symbol.file TwoOrThree.java

 */

import java.nio.file.Files;

import java.nio.file.Paths;

import java.nio.file.StandardOpenOption;

import javax.security.auth.Subject;

import sun.security.jgss.GSSUtil;

/*

 * The JAAS login has two krb5 modules

 *   1. principal is A

 *   2. principal is B

 * A named principal can only accept itself. The default principal can accept

 * either, but not any other service even if the keytab also include its keys.

 */

public class TwoOrThree {

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

        String server = args[0].equals("-") ? null : args[0];

        String target = args[1];

        OneKDC kdc = new OneKDC(null);

        kdc.addPrincipal("first", "first".toCharArray());

        kdc.addPrincipal("second", "second".toCharArray());

        kdc.addPrincipal("third", "third".toCharArray());

        kdc.writeKtab(OneKDC.KTAB);

        Context c = Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false);

        // Using keytabs

        Subject sub4s = new Subject();

        Context.fromUserKtab(sub4s, "first", OneKDC.KTAB, true);

        Context s = Context.fromUserKtab(sub4s, "second", OneKDC.KTAB, true);

        c.startAsClient(target, GSSUtil.GSS_KRB5_MECH_OID);

        s.startAsServer(server, GSSUtil.GSS_KRB5_MECH_OID);

        Context.handshake(c, s);

        // Using keys

        sub4s = new Subject();

        Context.fromUserPass(sub4s, "first", "first".toCharArray(), true);

        s = Context.fromUserPass(sub4s, "second", "second".toCharArray(), true);

        c.startAsClient(target, GSSUtil.GSS_KRB5_MECH_OID);

        s.startAsServer(server, GSSUtil.GSS_KRB5_MECH_OID);

        Context.handshake(c, s);

        s.dispose();

        c.dispose();

    }

}