objAttr.decode(mockNdrBuffer);

        assertEquals(100, objAttr.length);
        assertEquals(3, objAttr.attributes);
        assertEquals(4, objAttr.security_descriptor);

        verify(objAttr.root_directory).decode(mockDeferredNdrBuffer);

        public rpc.unicode_string object_name;
        /** Object attributes flags. */
        public int attributes;
        /** Security descriptor for the object. */
        public int security_descriptor;
        /** Quality of Service information. */
        public LsarQosInfo security_quality_of_service;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

        public rpc.unicode_string object_name;
        /** Object attributes flags. */
        public int attributes;
        /** Security descriptor for the object. */
        public int security_descriptor;
        /** Quality of Service information. */
        public LsarQosInfo security_quality_of_service;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

 * Represents a Windows security descriptor containing access control information.
 * This class encodes and decodes security descriptors that define ownership
 * and access permissions for SMB resources.
 */
public class SecurityDescriptor {

    SID owner_user, owner_group;
    /**
     * The type flags indicating security descriptor control flags.
     */
    public int type;
    /**

 */
public class SecurityDescriptor implements SecurityInfo {

    /**
     * Descriptor type
     */
    private int type;

    /**
     * ACEs
     */
    private ACE[] aces;
    private SID ownerUserSid, ownerGroupSid;

    /**
     * Creates an empty security descriptor.
     */
    public SecurityDescriptor() {
    }

    /**

        final int start = bufferIndex;

        if (errorCode != 0) {
            return 4;
        }

        try {
            securityDescriptor = new SecurityDescriptor();
            bufferIndex += securityDescriptor.decode(buffer, bufferIndex, len);
        } catch (final IOException ioe) {
            throw new RuntimeException(ioe.getMessage());
        }

        return bufferIndex - start;

import jcifs.internal.util.SMBUtil;
import jcifs.smb.SID;

/**
 * Test class for SecurityDescriptor
 */
class SecurityDescriptorTest {

    private SecurityDescriptor securityDescriptor;
    private byte[] testBuffer;

    @BeforeEach
    void setUp() {
        securityDescriptor = new SecurityDescriptor();
        testBuffer = new byte[1024];
    }

    @Test

     * @return the securityDescriptor containing access control information
     */
    public final SecurityDescriptor getSecurityDescriptor() {
        return this.securityDescriptor;
    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

 */
package jcifs.internal.smb2.info;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.dtyp.SecurityDescriptor;
import jcifs.internal.fscc.FileFsFullSizeInformation;
import jcifs.internal.fscc.FileFsSizeInformation;
import jcifs.internal.fscc.FileInformation;
import jcifs.internal.fscc.FileInternalInfo;

        setErrorCode(response, 0);
        response.readDataWireFormat(buffer, 0, buffer.length);

        SecurityDescriptor sd = response.getSecurityDescriptor();
        assertNotNull(sd);

        // Verify it's the same instance on subsequent calls
        SecurityDescriptor sd2 = response.getSecurityDescriptor();
        assertSame(sd, sd2);
    }

    @Test