/*

 * 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 Add krb5 test infrastructure

 * @compile -XDignore.symbol.file BasicKrb5Test.java

 */

import org.ietf.jgss.GSSName;

import sun.security.jgss.GSSUtil;

import sun.security.krb5.KrbException;

/**

 * Basic JGSS/krb5 test with 3 parties: client, server, backend server. Each

 * party uses JAAS login to get subjects and executes JGSS calls using

 * Subject.doAs.

 */

public class BasicKrb5Test {

    private static boolean conf = true;

    /**

     * @param args empty or etype

     */

    public static void main(String[] args)

            throws Exception {

        String etype = null;

        for (String arg: args) {

            if (arg.equals("-s")) Context.usingStream = true;

            else if(arg.equals("-C")) conf = false;

            else etype = arg;

        }

        // Creates and starts the KDC. This line must be put ahead of etype check

        // since the check needs a krb5.conf.

        try {

            new OneKDC(etype).writeJAASConf();

        } catch (KrbException ke) {

            System.out.println("Testing etype " + etype + "Not supported.");

            return;

        }

        new BasicKrb5Test().go(OneKDC.SERVER, OneKDC.BACKEND);

    }

    void go(final String server, final String backend) throws Exception {

        Context c, s, s2, b;

        c = Context.fromJAAS("client");

        s = Context.fromJAAS("server");

        b = Context.fromJAAS("backend");

        c.startAsClient(server, GSSUtil.GSS_KRB5_MECH_OID);

        c.x().requestCredDeleg(true);

        c.x().requestConf(conf);

        s.startAsServer(GSSUtil.GSS_KRB5_MECH_OID);

        c.status();

        s.status();

        Context.handshake(c, s);

        GSSName client = c.x().getSrcName();

        c.status();

        s.status();

        Context.transmit("i say high --", c, s);

        Context.transmit("   you say low", s, c);

        s2 = s.delegated();

        s.dispose();

        s = null;

        s2.startAsClient(backend, GSSUtil.GSS_KRB5_MECH_OID);

        s2.x().requestConf(conf);

        b.startAsServer(GSSUtil.GSS_KRB5_MECH_OID);

        s2.status();

        b.status();

        Context.handshake(s2, b);

        GSSName client2 = b.x().getSrcName();

        if (!client.equals(client2)) {

            throw new Exception("Delegation failed");

        }

        s2.status();

        b.status();

        Context.transmit("you say hello --", s2, b);

        Context.transmit("   i say goodbye", b, s2);

        s2.dispose();

        b.dispose();

    }

}