SystemCallFilter.hh

Go to the documentation of this file.

/*
 * 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 <introvirt/core/fwd.hh>
 
#include <cstdint>
#include <memory>
 
namespace introvirt {
 
class SystemCallFilter {
  public:
    void mask(uint64_t mask);
 
    uint64_t mask() const;
 
    void enabled(bool enabled);
 
    bool enabled() const;
 
    bool matches(const Event& event) const;
 
    bool matches(const Vcpu& vcpu) const;
 
    void set_32(uint32_t index, bool enabled);
 
    void set_64(uint32_t index, bool enabled);
 
    void clear();
 
    SystemCallFilter();
 
    virtual ~SystemCallFilter();
 
  private:
    class IMPL;
    std::unique_ptr<IMPL> pImpl_;
};
 
} // namespace introvirt