EVENT_ACCESS_MASK.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 "ACCESS_MASK.hh"
 
namespace introvirt {
namespace windows {
namespace nt {
 
enum EventAccessMaskFlag {
    EVENT_QUERY_STATE = 0x1,
    EVENT_MODIFY_STATE = 0x2,
    EVENT_ALL_ACCESS = 0x1F0000 | EVENT_QUERY_STATE | EVENT_MODIFY_STATE,
};
 
class EVENT_ACCESS_MASK final : public ACCESS_MASK {
  public:
    bool has(EventAccessMaskFlag flag) const { return (value() & flag) == flag; }
 
    void set(EventAccessMaskFlag flag) { value(value() | flag); }
 
    void clear(EventAccessMaskFlag flag) { value(value() & ~flag); }
 
    AccessMaskType type() const override { return EventAccessMask; }
 
    // Constructors and assignment operators
    EVENT_ACCESS_MASK() = default;
    EVENT_ACCESS_MASK(uint32_t mask) : ACCESS_MASK(mask) {}
 
    EVENT_ACCESS_MASK(const EVENT_ACCESS_MASK&) = default;
    EVENT_ACCESS_MASK& operator=(const EVENT_ACCESS_MASK&) = default;
};
 
const std::string& to_string(EventAccessMaskFlag);
std::ostream& operator<<(std::ostream&, EventAccessMaskFlag);
 
std::string to_string(EVENT_ACCESS_MASK);
std::ostream& operator<<(std::ostream&, EVENT_ACCESS_MASK);
 
} /* namespace nt */
} /* namespace windows */
} /* namespace introvirt */