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import java.io.IOException;

import java.security.NoSuchAlgorithmException;

import java.security.PrivilegedActionException;

import java.util.HashMap;

import java.util.Map;

import javax.security.auth.login.LoginException;

/*

 * @test

 * @summary Checks if an unbound server uses a service principal

 *          from sun.security.krb5.principal system property if specified

 *                              unbound.ssl.jaas.conf server_star

 *                              unbound.ssl.jaas.conf server_multiple_principals

 */

public class UnboundSSLPrincipalProperty {

    public static void main(String[] args) throws IOException,

            NoSuchAlgorithmException,LoginException, PrivilegedActionException,

            InterruptedException {

        UnboundSSLPrincipalProperty test = new UnboundSSLPrincipalProperty();

        test.start(args[0], args[1]);

    }

    public void start(String jaacConfigFile, String serverJaasConfig)

            throws IOException, NoSuchAlgorithmException,LoginException,

            PrivilegedActionException, InterruptedException {

        // define principals

        String service1host = "service1." + UnboundSSLUtils.HOST;

        String service3host = "service3." + UnboundSSLUtils.HOST;

        String service1Principal = "host/" + service1host + "@"

                + UnboundSSLUtils.REALM;

        String service3Principal = "host/" + service3host

                + "@" + UnboundSSLUtils.REALM;

        Map<String, String> principals = new HashMap<>();

        principals.put(UnboundSSLUtils.USER_PRINCIPAL,

                UnboundSSLUtils.USER_PASSWORD);

        principals.put(UnboundSSLUtils.KRBTGT_PRINCIPAL, null);

        principals.put(service1Principal, null);

        principals.put(service3Principal, null);

        System.setProperty("java.security.krb5.conf",

                UnboundSSLUtils.KRB5_CONF_FILENAME);

        // start a local KDC instance

        KDC.startKDC(UnboundSSLUtils.HOST, UnboundSSLUtils.KRB5_CONF_FILENAME,

                UnboundSSLUtils.REALM, principals,

                UnboundSSLUtils.KTAB_FILENAME, KDC.KtabMode.APPEND);

        System.setProperty("java.security.auth.login.config",

                UnboundSSLUtils.TEST_SRC + UnboundSSLUtils.FS + jaacConfigFile);

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

        // start an SSL server instance

        try (final SSLEchoServer server = SSLEchoServer.init(

                UnboundSSLUtils.TLS_KRB5_FILTER, UnboundSSLUtils.SNI_PATTERN)) {

            // specify a service principal for the server

            System.setProperty("sun.security.krb5.principal",

                    service3Principal);

            UnboundSSLUtils.startServerWithJaas(server, serverJaasConfig);

            // wait for the server is ready

            while (!server.isReady()) {

                Thread.sleep(UnboundSSLUtils.DELAY);

            }

            int port = server.getPort();

            // connetion failure is expected

            // since service3 principal was specified to use by the server

            System.out.println("Connect: SNI hostname = " + service1host

                    + ", connection failure is expected");

            try {

                SSLClient.init(UnboundSSLUtils.HOST, port,

                        UnboundSSLUtils.TLS_KRB5_FILTER, service1host)

                            .connect();

                throw new RuntimeException("Test failed: "

                        + "expected IOException not thrown");

            } catch (IOException e) {

                System.out.println("Expected exception: " + e);

            }

            System.out.println("Connect: SNI hostname = " + service3host

                    + ", successful connection is expected");

            SSLClient.init(UnboundSSLUtils.HOST, port,

                    UnboundSSLUtils.TLS_KRB5_FILTER, service3host).connect();

        }

        System.out.println("Test passed");

    }

}