FILE_MODE_INFORMATION.hh

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/*
 * Copyright 2021 Assured Information Security, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once
 
#include "FILE_INFORMATION.hh"
 
#include <introvirt/windows/kernel/nt/const/FileCreateOptions.hh>
 
#include <cstdint>
 
namespace introvirt {
namespace windows {
namespace nt {
 
/* FileCreateOptions has the same values, plus more */
/* Below are the actual valid options, though */
/*
enum FILE_MODE_FLAGS {
    FILE_WRITE_THROUGH = 0x00000002,
    FILE_SEQUENTIAL_ONLY = 0x00000004,
    FILE_NO_INTERMEDIATE_BUFFERING = 0x00000008,
    FILE_SYNCHRONOUS_IO_ALERT = 0x00000010,
    FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020,
    FILE_DELETE_ON_CLOSE = 0x00001000
};
*/
 
class FILE_MODE_INFORMATION : public FILE_INFORMATION {
  public:
    virtual uint32_t Mode() const = 0;
    virtual void Mode(uint32_t value) = 0;
 
    bool WriteThrough() const;
 
    bool SequentialOnly() const;
 
    bool NoIntermediateBuffering() const;
 
    bool SynchronousIoAlert() const;
 
    bool SynchronousIoNonAlert() const;
 
    bool DeleteOnClose() const;
};
 
} /* namespace nt */
} /* namespace windows */
} /* namespace introvirt */