log.error("Missing encryption negotiate context");
            return false;
        }
        else if ( !foundEnc ) {
            log.debug("No encryption support");
        }
        return true;
    }


    private static boolean checkPreauthContext ( Smb2NegotiateRequest req, PreauthIntegrityNegotiateContext pc ) {

                    if ( !mechs.contains(NtlmContext.NTLMSSP_OID) ) {
                        throw new SmbUnsupportedOperationException("Server does not support NTLM authentication");
                    }
                }
            }
        }
        catch ( SmbException e ) {
            throw e;
        }
        catch ( IOException e1 ) {

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs;


/**
 * Runtime exception indicating that the JDK does not support the cryptographic primitives that we use.
 * 
 * @author mbechler
 *
 */
public class CIFSUnsupportedCryptoException extends RuntimeCIFSException {

    /**
     * 
     */

     * specified for this filter. The wildcard has no influence on this
     * method as the server should have performed that filtering already. The
     * attributes are asserted here only because server file systems may not
     * support filtering by all attributes (e.g. even though ATTR_DIRECTORY was
     * specified the server may still return objects that are not directories).
     */
    @Override

            negotiate( altPort, resp );
            port = altPort;
        }

        if( resp.dialectIndex > 10 ) {
            throw new SmbException( "This client does not support the negotiated dialect." );
        }
        if ((server.capabilities & CAP_EXTENDED_SECURITY) != CAP_EXTENDED_SECURITY &&
                    server.encryptionKeyLength != 8 &&
                    LM_COMPATIBILITY == 0) {

import jcifs.smb1.ntlmssp.*;
import jcifs.smb1.util.Encdec;
import jcifs.smb1.util.Hexdump;
import jcifs.smb1.util.LogStream;

/**
For initiating NTLM authentication (including NTLMv2). If you want to add NTLMv2 authentication support to something this is what you want to use. See the code for details. Note that JCIFS does not implement the acceptor side of NTLM authentication.
 */

public class NtlmContext {


    NtlmPasswordAuthentication auth;

         * the redirected target has different capabilities. But
         * the way we have been doing that is to call exists() which
         * calls this method so another technique will be necessary
         * to support DFS referral _to_ Win95/98/ME.
         */

        if ( th.isSMB2() ) {
            // just open and close. withOpen will store the attributes
            return (SmbBasicFileInfo) withOpen(
                th,

    */
    public static final int NTLMSSP_NEGOTIATE_LM_KEY = 0x00000080;

    public static final int NTLMSSP_NEGOTIATE_NETWARE = 0x00000100;

    /**
    * Indicates support for NTLM authentication.
    */
    public static final int NTLMSSP_NEGOTIATE_NTLM = 0x00000200;

    /**
    * Indicates whether the OEM-formatted domain name in which the

              SmbTransportImpl transport = session.getTransport() ) {
            return transport.isSMB2();
        }
        catch ( SmbException e ) {
            log.debug("Failed to connect for determining SMB2 support", e);
            return false;
        }
    }

 * This can be a problem if using DFS in it's default configuration as that still returns referrals in short form.
 * See <a href="https://support.microsoft.com/en-us/kb/244380">KB-244380</a> for compatible server configuration.
 * See {@link jcifs.Configuration#isDfsConvertToFQDN()} for a workaround.
 * 
 * @author mbechler
 */