throws IOException {
        this.handle = handle;
        final MsrpcSamrOpenAlias rpc = new MsrpcSamrOpenAlias(domainHandle, access, rid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {

        try {
            handle.sendrecv(rpc);
        } catch (final DcerpcException de) {
            if (de.getErrorCode() != DcerpcError.DCERPC_FAULT_OP_RNG_ERROR) {
                throw de;
            }

            final MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
    }

    /**

                .thenAnswer(inv -> inv.getArgument(1));

        int n = handle.sendrecv(new byte[10], 0, 0, new byte[20], 100);
        assertEquals(0, n, "Default response length is 0 unless protocol fills it");
    }

    @Test
    @DisplayName("sendrecv uses CallNamedPipe when PIPE_TYPE_CALL is set")
    void sendrecv_call_branch() throws Exception {

            // Given: Spy to intercept sendrecv calls
            TestDcerpcHandle spyHandle = spy(new TestDcerpcHandle(mockContext, mockBinding));
            doNothing().when(spyHandle).sendrecv(any(DcerpcMessage.class));

            // When: Binding the handle
            spyHandle.bind();

            // Then: Should call sendrecv with bind message
            verify(spyHandle).sendrecv(any(DcerpcMessage.class));
        }

        this.handle = handle;
        if (server == null) {
            server = "\\\\";
        }
        final MsrpcLsarOpenPolicy2 rpc = new MsrpcLsarOpenPolicy2(server, access, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

    /**
     * Closes the LSA policy handle.
     *

            throws IOException {
        this.handle = handle;
        final MsrpcSamrOpenDomain rpc = new MsrpcSamrOpenDomain(policyHandle, access, sid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

    /**
     * Closes this SAM domain handle.
     *

            message.setFlags(request.getFlags());
            message.setTimeout((int) (context.getConfig().getWitnessRegistrationTimeout() / 1000));

            // Send the RPC request
            rpcHandle.sendrecv(message);

            // Create response from RPC message results
            WitnessRegisterResponse response = new WitnessRegisterResponse();
            response.setReturnCode(message.getReturnCode());

        assertArrayEquals(new byte[] { 1, 2, 3 }, key);
        verify(tree, times(1)).getSession();
        verify(session, times(1)).getSessionKey();
    }

    @Test
    @DisplayName("sendrecv SMB2 path issues IOCTL and returns response length")
    void testSendRecvSmb2() throws IOException, CIFSException {
        when(pipe.ensureTreeConnected()).thenReturn(tree);
        when(tree.acquire()).thenReturn(tree);

            throws IOException {
        this.handle = handle;
        final MsrpcSamrOpenDomain rpc = new MsrpcSamrOpenDomain(policyHandle, access, sid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {

    }

    void resolveSids(final DcerpcHandle handle, final LsaPolicyHandle policyHandle, final jcifs.SID[] sids) throws IOException {
        final MsrpcLookupSids rpc = new MsrpcLookupSids(policyHandle, sids);
        handle.sendrecv(rpc);
        switch (rpc.retval) {
        case 0:
        case NtStatus.NT_STATUS_NONE_MAPPED:
        case 0x00000107: // NT_STATUS_SOME_NOT_MAPPED
            break;
        default: