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/*
* PKCS#11 Module
* (C) 2016 Daniel Neus, Sirrix AG
* (C) 2016 Philipp Weber, Sirrix AG
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_P11_MODULE_H__
#define BOTAN_P11_MODULE_H__
#include <string>
#include <memory>
#include <botan/p11.h>
#include <botan/dyn_load.h>
namespace Botan {
namespace PKCS11 {
/**
* Loads the PKCS#11 shared library
* Calls C_Initialize on load and C_Finalize on destruction
*/
class BOTAN_DLL Module final
{
public:
/**
* Loads the shared library and calls C_Initialize
* @param file_path the path to the PKCS#11 shared library
* @param init_args flags to use for `C_Initialize`
*/
Module(const std::string& file_path, C_InitializeArgs init_args = { nullptr, nullptr, nullptr, nullptr, static_cast< CK_FLAGS >(Flag::OsLockingOk), nullptr });
/* Microsoft Visual Studio <= 2013 does not support default generated move special member functions.
Everything else we target should support it */
#if !defined( _MSC_VER ) || ( _MSC_VER >= 1900 )
Module(Module&& other) = default;
Module& operator=(Module&& other) = default;
#endif
// Dtor calls C_Finalize(). A copy could be deleted while the origin still exists
// Furthermore std::unique_ptr member -> not copyable
Module(const Module& other) = delete;
Module& operator=(const Module& other) = delete;
/// Calls C_Finalize()
~Module() BOTAN_NOEXCEPT;
/**
* Reloads the module and reinitializes it
* @param init_args flags to use for `C_Initialize`
*/
void reload(C_InitializeArgs init_args = { nullptr, nullptr, nullptr, nullptr, static_cast< CK_FLAGS >(Flag::OsLockingOk), nullptr });
inline LowLevel* operator->() const
{
return m_low_level.get();
}
/// @return general information about Cryptoki
inline Info get_info() const
{
Info info;
m_low_level->C_GetInfo(&info);
return info;
}
private:
const std::string m_file_path;
FunctionListPtr m_func_list = nullptr;
std::unique_ptr<Dynamically_Loaded_Library> m_library = nullptr;
std::unique_ptr<LowLevel> m_low_level = nullptr;
};
}
}
#endif
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