Class gssClient

examples/gssClient.java:54–272

import org.ietf.jgss.*;

public class gssClient {

    /* set these to match your environment and principal names */
    private static int port = 11115;
    private static String server = "127.0.0.1";
    private static String serviceName = "service@host";
    private static String clientPrincipal = "clientname";

    private static GSSCredential clientCred = null;
    private static GSSContext context       = null;
    private static GSSManager mgr = GSSManager.getInstance();
   
    /* using null to request default mech, krb5 */ 
    private static Oid mech                 = null;
        
    private static Socket clientSocket      = null;
    private static OutputStream serverOut   = null;
    private static InputStream serverIn     = null;

    public static void main(String argv[]) throws Exception  {
       
        System.out.println("Starting GSS-API Client Example\n"); 
       
        connectToServer();
        initializeGSS();
        establishContext(serverIn, serverOut);
        doCommunication(serverIn, serverOut);

        /* shutdown */
        context.dispose();
        clientCred.dispose();
        serverIn.close();
        serverOut.close();
        clientSocket.close();

        System.out.println("\nShut down GSS-API and closed connection to server");
    }

    /**
     * Connect to example GSS-API server, using specified port and 
     * service name.
     **/
    public static void connectToServer() {
        
        try {
            clientSocket = new Socket(server, port);
            System.out.println("Connected to " + server + " at port " 
                    + port + "\n");

            /* get input and output streams */
            serverOut = clientSocket.getOutputStream();
            serverIn = clientSocket.getInputStream();
        
        } catch (UnknownHostException e) {
            System.err.println("Unknown host: " + server);
            e.printStackTrace();
        } catch (IOException e) {
            System.err.println("I/O error for the connection to " + server);