/**
     * Constructs a new SmbUnsupportedOperationException with a default message
     */
    public SmbUnsupportedOperationException() {
        super("Operation is not supported with the negotiated capabilities");
    }

    /**
     * Constructs a new SmbUnsupportedOperationException with the specified message
     * @param msg the detail message
     */

import jcifs.ntlmssp.Type3Message;
import jcifs.smb.NtlmPasswordAuthentication;

/**
 * This class is used internally by {@code NtlmHttpFilter},
 * {@code NtlmServlet}, and {@code NetworkExplorer} to negotiate password
 * hashes via NTLM SSP with MSIE. It might also be used directly by servlet
 * containers to incorporate similar functionality.
 * <p>
 * How NTLMSSP is used in conjunction with HTTP and MSIE clients is

     * @param selectedMech the selected mechanism OID
     * @return whether the specified mechanism is preferred
     */
    boolean isPreferredMech(ASN1ObjectIdentifier selectedMech);

    /**
     * Gets the negotiated context flags.
     * @return context flags
     */
    int getFlags();

    /**
     * Gets the array of supported security mechanism OIDs.
     * @return array of supported mechanism OIDs
     */

     *         context. This is used by the client to negotiate local
     *         authentication.
     */
    public byte[] getContext() {
        return this.context;
    }

    /**
     * Sets the local security context. This is used by the client
     * to negotiate local authentication.
     *
     * @param context
     *            The local security context.

import jcifs.config.PropertyConfiguration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.nego.CompressionNegotiateContext;

/**
 * Comprehensive tests for SMB3 compression negotiate context.
 */
public class CompressionNegotiateContextTest {

    private Configuration config;
    private CompressionNegotiateContext context;

    @BeforeEach
    public void setUp() throws Exception {

        final int start = bufferIndex;

        pathConsumed = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        /* Samba 2.2.8a will reply with Unicode paths even though
         * ASCII is negotiated so we must use flags2 (probably
         * should anyway).
         */
        if ((flags2 & FLAGS2_UNICODE) != 0) {
            pathConsumed /= 2;
        }
        numReferrals = readInt2(buffer, bufferIndex);

 * **reactive** authentication after receiving a challenge from either an origin web server or proxy
 * server.
 *
 * ## Preemptive Authentication
 *
 * To make HTTPS calls using an HTTP proxy server OkHttp must first negotiate a connection with
 * the proxy. This proxy connection is called a "TLS Tunnel" and is specified by
 * [RFC 2817][1]. The HTTP CONNECT request that creates this tunnel connection is special: it

          message == "No session to resume." -> Type.Handshake
          message.startsWith("Consuming ") -> Type.Handshake
          message.startsWith("Produced ") -> Type.Handshake
          message.startsWith("Negotiated ") -> Type.Handshake
          message.startsWith("Found resumable session") -> Type.Handshake
          message.startsWith("Resuming session") -> Type.Handshake

                if (currentAuthMethod.startsWith("Negotiate")) {
                    if (currentAuthMethod.length() == 9) {
                        this.authMethod = "Negotiate";
                        break;
                    }
                    if (currentAuthMethod.indexOf(' ') != 9) {
                        continue;
                    }
                    this.authMethod = "Negotiate";

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

package jcifs.spnego;

import java.io.IOException;

/**
 * Abstract base class for SPNEGO authentication tokens used in GSS-API negotiation
 */
public abstract class SpnegoToken {

    /**
     * Protected constructor for SPNEGO token implementations.
     */
    protected SpnegoToken() {
    }

    private byte[] mechanismToken;