/*

 * Copyright (c) 2009, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6682516

 * @summary SPNEGO_HTTP_AUTH/WWW_KRB and SPNEGO_HTTP_AUTH/WWW_SPNEGO failed on all non-windows platforms

 * @run main/othervm -Dsun.net.spi.nameservice.provider.1=ns,mock -Djava.security.krb5.conf=krb5.conf Test

 */

import java.net.InetAddress;

import java.net.UnknownHostException;

import sun.net.spi.nameservice.NameService;

import sun.net.spi.nameservice.NameServiceDescriptor;

import sun.security.krb5.PrincipalName;

public class Test implements NameServiceDescriptor {

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

        // This config file is generated using Kerberos.app on a Mac

        System.setProperty("java.security.krb5.realm", "THIS.REALM");

        System.setProperty("java.security.krb5.kdc", "localhost");

        // add using canonicalized name

        check("c1", "c1.this.domain");

        check("c1.this", "c1.this.domain");

        check("c1.this.domain", "c1.this.domain");

        // canonicalized name goes IP, reject

        check("c2", "c2");

        // canonicalized name goes strange, reject

        check("c3", "c3");

        // unsupported

        check("c4", "c4");

    }

    static void check(String input, String output) throws Exception {

        System.out.println(input + " -> " + output);

        PrincipalName pn = new PrincipalName("host/"+input,

                PrincipalName.KRB_NT_SRV_HST);

        if (!pn.getNameStrings()[1].equals(output)) {

            throw new Exception("Output is " + pn);

        }

    }

    @Override

    public NameService createNameService() throws Exception {

        NameService ns = new NameService() {

            @Override

            public InetAddress[] lookupAllHostAddr(String host)

                    throws UnknownHostException {

                // All c<n>.* goes to 127.0.0.n

                int i = Integer.valueOf(host.split("\\.")[0].substring(1));

                return new InetAddress[]{

                    InetAddress.getByAddress(host, new byte[]{127,0,0,(byte)i})

                };

            }

            @Override

            public String getHostByAddr(byte[] addr)

                    throws UnknownHostException {

                int i = addr[3];

                switch (i) {

                    case 1: return "c1.this.domain";        // Good

                    case 2: return "127.0.0.2";             // Only IP

                    case 3: return "d3.this.domain";        // name change

                    default:

                        throw new UnknownHostException();

                }

            }

        };

        return ns;

    }

    @Override

    public String getProviderName() {

        return "mock";

    }

    @Override

    public String getType() {

        return "ns";

    }

}