sid.hpp

// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-common" project.
// For details, see https://github.com/egor-tensin/winapi-common.
// Distributed under the MIT License.
 
#pragma once
 
#include "buffer.hpp"
 
#include <windows.h>
 
#include <cstddef>
#include <string>
 
namespace winapi {
 
class Sid {
public:
    static constexpr std::size_t MAX_SID_SIZE = SECURITY_MAX_SID_SIZE;
 
    typedef SID Impl;
 
    static Sid well_known(WELL_KNOWN_SID_TYPE type);
 
    static Sid builtin_administrators();
 
    explicit Sid(const Buffer& buffer) : m_buffer(buffer) {}
 
    explicit operator SID&() { return get_impl(); }
    explicit operator const SID&() const { return get_impl(); }
 
    std::string to_string() const;
 
private:
    Impl& get_impl() { return *reinterpret_cast<SID*>(m_buffer.data()); }
    const Impl& get_impl() const { return *reinterpret_cast<const SID*>(m_buffer.data()); }
 
    Buffer m_buffer;
};
 
} // namespace winapi