impersonation.hpp

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#ifndef LIBFILEZILLA_IMPERSONATION_HEADER
#define LIBFILEZILLA_IMPERSONATION_HEADER
 
#include "string.hpp"
 
#include <memory>
#include <functional>
 
namespace fz {
 
#if !FZ_WINDOWS
enum class impersonation_flag
{
    pwless 
};
#endif
 
class impersonation_token_impl;
 
class FZ_PUBLIC_SYMBOL impersonation_token final
{
public:
    impersonation_token();
 
    impersonation_token(impersonation_token&&) noexcept;
    impersonation_token& operator=(impersonation_token&&) noexcept;
 
    explicit impersonation_token(fz::native_string const& username, fz::native_string const& password);
 
#if !FZ_WINDOWS
    explicit impersonation_token(fz::native_string const& username, impersonation_flag flag, fz::native_string const& group = {});
#endif
 
    ~impersonation_token() noexcept;
 
    explicit operator bool() const {
        return impl_.operator bool();
    }
 
    bool operator==(impersonation_token const&) const;
    bool operator<(impersonation_token const&) const;
 
    fz::native_string username() const;
 
    fz::native_string home() const;
 
    std::size_t hash() const noexcept;
 
private:
    friend class impersonation_token_impl;
    std::unique_ptr<impersonation_token_impl> impl_;
};
 
#if !FZ_WINDOWS
bool FZ_PUBLIC_SYMBOL set_process_impersonation(impersonation_token const& token);
#endif
 
native_string FZ_PUBLIC_SYMBOL current_username();
 
}
 
namespace std {
 
template <>
struct hash<fz::impersonation_token>
{
    std::size_t operator()(fz::impersonation_token const& op) const noexcept
    {
        return op.hash();
    }
};
 
}
 
#endif