}
            if (security_descriptor != null) {
                _dst = _dst.deferred;
                final int _security_descriptors = sd_size;
                _dst.enc_ndr_long(_security_descriptors);
                final int _security_descriptori = _dst.index;
                _dst.advance(1 * _security_descriptors);

                _dst = _dst.derive(_security_descriptori);

            }
            if (_security_descriptorp != 0) {
                _src = _src.deferred;
                final int _security_descriptors = _src.dec_ndr_long();
                final int _security_descriptori = _src.index;
                _src.advance(1 * _security_descriptors);

                if (this.security_descriptor == null) {
                    if (_security_descriptors < 0 || _security_descriptors > 0xFFFF) {

     */
    public ACE[] getSecurity() throws IOException {
        final srvsvc.ShareInfo502 info502 = (srvsvc.ShareInfo502) info;
        if (info502.security_descriptor != null) {
            SecurityDescriptor sd;
            sd = new SecurityDescriptor(info502.security_descriptor, 0, info502.sd_size);
            return sd.aces;
        }
        return null;
    }

        info502.security_descriptor = null;

        // Replace info field
        Field infoField = msrpcShareGetInfo.getClass().getSuperclass().getDeclaredField("info");
        infoField.setAccessible(true);
        infoField.set(msrpcShareGetInfo, info502);

        // Test getSecurity returns null when security_descriptor is null
        ACE[] result = msrpcShareGetInfo.getSecurity();

     */
    public ACE[] getSecurity() throws IOException {
        final srvsvc.ShareInfo502 info502 = (srvsvc.ShareInfo502) this.info;
        if (info502.security_descriptor != null) {
            SecurityDescriptor sd;
            sd = new SecurityDescriptor(info502.security_descriptor, 0, info502.sd_size);
            return sd.getAces();
        }
        return null;
    }

        shareInfo502.max_uses = 10;
        shareInfo502.current_uses = 5;
        shareInfo502.path = "C:\\test";
        shareInfo502.password = "password";
        shareInfo502.sd_size = 2;
        shareInfo502.security_descriptor = new byte[] { 1, 2 };

        // Set up mocks for the security descriptor encoding
        mockDeferredBuffer.index = 0; // Set field directly
        mockDeferredBuffer.deferred = mockDeferredBuffer;

        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;
    /**