import java.security.GeneralSecurityException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.login.LoginException;

import org.bouncycastle.asn1.*;

import jcifs.pac.ASN1Util;
import jcifs.pac.PACDecodingException;


@SuppressWarnings ( "javadoc" )
public class KerberosTicket {

 */
package jcifs.smb;


import java.util.HashMap;
import java.util.Map;

import javax.security.auth.login.AppConfigurationEntry;
import javax.security.auth.login.AppConfigurationEntry.LoginModuleControlFlag;
import javax.security.auth.login.Configuration;


/**
 * @author mbechler
 *
 */
class StaticJAASConfiguration extends Configuration {

    private Map<String, ?> options;

                                throw sae;
                            } catch (SmbException se) {
                                ex = se;
                                /* Apparently once a successfull NTLMSSP login occurs, the
                                 * server will return "Access denied" even if a logoff is
                                 * sent. Unfortunately calling disconnect() doesn't always

import java.util.List;
import java.util.Set;

import javax.security.auth.Subject;
import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.kerberos.KeyTab;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;


@SuppressWarnings ( "javadoc" )
public class KerberosCredentials {

    private Subject subject;


    public KerberosCredentials () throws LoginException {

import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.Configuration;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;


/**
 * JAAS kerberos authenticator
 * 

     * 
     */
    public enum AuthenticationType {
        /**
         * Null/anonymous authentication
         * 
         * Login with no credentials
         */
        NULL,
        /**
         * Guest authentication
         * 
         * Allows login with invalid credentials (username and/or password)
         * Fallback to anonymous authentication is permitted
         */
        GUEST,

                            // an invalid parameter error when a SPNEGO MIC is in place and auth fails
                            ex = new SmbAuthException("Login failed", se);
                        }
                        /*
                         * Apparently once a successful NTLMSSP login occurs, the
                         * server will return "Access denied" even if a logoff is

            if ( treesess.getCredentials().isAnonymous() || treesess.getCredentials().isGuest() ) {
                // refresh anonymous session or fallback to anonymous from guest login
                try ( SmbSessionInternal s = trans
                        .getSmbSession(this.ctx.withAnonymousCredentials(), treesess.getTargetHost(), treesess.getTargetDomain())