/*

 * 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 Unbound SASL service: the GSSAPI/krb5 mech

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

 */

import java.io.IOException;

import java.util.Arrays;

import java.util.HashMap;

import javax.security.auth.callback.Callback;

import javax.security.auth.callback.CallbackHandler;

import javax.security.auth.callback.UnsupportedCallbackException;

import javax.security.sasl.*;

public class SaslUnbound {

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

        String serverProtocol, serverName;

        switch (args[0].charAt(0)) {

            case '1':       // Using another protocol, should fail

                serverProtocol = "serv";

                serverName = null;

                break;

            case '2':       // Using another protocol, should fail

                serverProtocol = "otherwise";

                serverName = null;

                break;

            case '3':       // Using another protocol, should fail

                serverProtocol = "otherwise";

                serverName = "host." + OneKDC.REALM;

                break;

            case '4':       // Bound to another serverName, should fail.

                serverProtocol = "server";

                serverName = "host2." + OneKDC.REALM;

                break;

            default:        // Good unbound server

                serverProtocol = "server";

                serverName = null;

                break;

        }

        new OneKDC(null).writeJAASConf();

        System.setProperty("javax.security.auth.useSubjectCredsOnly", "false");

        HashMap clntprops = new HashMap();

        clntprops.put(Sasl.QOP, "auth-conf");

        SaslClient sc = Sasl.createSaslClient(

                new String[]{"GSSAPI"}, null, "server",

                "host." + OneKDC.REALM, clntprops, null);

        final HashMap srvprops = new HashMap();

        srvprops.put(Sasl.QOP, "auth,auth-int,auth-conf");

        SaslServer ss = Sasl.createSaslServer("GSSAPI", serverProtocol,

                serverName, srvprops,

                new CallbackHandler() {

                    public void handle(Callback[] callbacks)

                            throws IOException, UnsupportedCallbackException {

                        for (Callback cb : callbacks) {

                            if (cb instanceof RealmCallback) {

                                ((RealmCallback) cb).setText(OneKDC.REALM);

                            } else if (cb instanceof AuthorizeCallback) {

                                ((AuthorizeCallback) cb).setAuthorized(true);

                            }

                        }

                    }

                });

        byte[] token = new byte[0];

        while (!sc.isComplete() || !ss.isComplete()) {

            if (!sc.isComplete()) {

                token = sc.evaluateChallenge(token);

            }

            if (!ss.isComplete()) {

                token = ss.evaluateResponse(token);

            }

        }

        System.out.println(ss.getNegotiatedProperty(Sasl.BOUND_SERVER_NAME));

        byte[] hello = "hello".getBytes();

        token = sc.wrap(hello, 0, hello.length);

        token = ss.unwrap(token, 0, token.length);

        if (!Arrays.equals(hello, token)) {

            throw new Exception("Message altered");

        }

    }

}