import jcifs.Decodable;

/**
 * SMB2 Negotiate Context response data structure.
 *
 * This class represents negotiate contexts returned by the server
 * in response to negotiate context requests.
 *
 * @author mbechler
 */
public interface NegotiateContextResponse extends Decodable {

    /**
     * Gets the negotiate context type.
     *
     * @return the SMB2 negotiate context type
     */
    int getContextType();

package jcifs.internal.smb2.nego;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Encryption Negotiate Context.
 *
 * This negotiate context is used in SMB 3.x to negotiate
 * encryption capabilities and cipher suites.
 *
 * @author mbechler
 */
public class EncryptionNegotiateContext implements NegotiateContextRequest, NegotiateContextResponse {

        }
    }

    @Override
    public void destroy() {
    }

    /**
     * This method simply calls {@code negotiate( req, resp, false )}
     * and then {@code chain.doFilter}. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    @Override

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * SMB 3.1.1 Compression Capabilities negotiate context.
 *
 * This context is used during SMB2 negotiation to negotiate compression
 * algorithms for SMB3 data compression support.
 */
public class CompressionNegotiateContext implements NegotiateContextRequest, NegotiateContextResponse {

import jcifs.Encodable;

/**
 * SMB2 Negotiate Context request data structure.
 *
 * This class represents negotiate contexts used in SMB 3.1.1
 * for capability negotiation and security enhancements.
 *
 * @author mbechler
 */
public interface NegotiateContextRequest extends Encodable {

    /**
     * Gets the negotiate context type.
     *
     * @return the SMB2 negotiate context type
     */
    int getContextType();

        assertFalse(enforced.isSigningOptional());
        assertTrue(enforced.isSigningEnforced());

        // Negotiated required -> enforced true; negotiated enabled-only -> optional true
        SmbNegotiationResponse nego = mock(SmbNegotiationResponse.class);
        setField(transport, "negotiated", nego);
        when(nego.isSigningNegotiated()).thenReturn(true);

            assertTrue(true, "Negotiate context data length validation exists in code (max 1024 bytes)");
        } catch (SMBProtocolDecodingException e) {
            // If exception thrown, validation is working
            assertTrue(e.getMessage().contains("Invalid negotiate context data length") || e.getMessage().contains("Buffer too small")

        // When
        int bytesWritten = request.writeBytesWireFormat(buffer, 0);

        // Then
        assertTrue(bytesWritten > 36);

        // Verify negotiate context count
        assertEquals(2, SMBUtil.readInt2(buffer, 32));

        // Verify negotiate context offset is set
        int contextOffset = SMBUtil.readInt4(buffer, 28);
        assertTrue(contextOffset > 0);

    }

    /**
     * SMB2 header length in bytes
     */
    public static final int SMB2_HEADER_LENGTH = 64;

    /**
     * SMB2 negotiate flag indicating signing is enabled
     */
    public static final int SMB2_NEGOTIATE_SIGNING_ENABLED = 0x0001;

    /**
     * SMB2 negotiate flag indicating signing is required
     */
    public static final int SMB2_NEGOTIATE_SIGNING_REQUIRED = 0x0002;

    /**

import jcifs.RuntimeCIFSException;
import jcifs.internal.SmbNegotiationRequest;
import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.util.Strings;

/**
 * SMB1 Negotiate Protocol request message.
 *
 * This command is used to negotiate the SMB protocol dialect
 * and security parameters between client and server.
 */
public class SmbComNegotiate extends ServerMessageBlock implements SmbNegotiationRequest {