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/*
* TLS Stream Errors
* (C) 2018-2019 Jack Lloyd
* 2018-2019 Hannes Rantzsch, Tim Oesterreich, Rene Meusel
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ASIO_ERROR_H_
#define BOTAN_ASIO_ERROR_H_
#include <botan/build.h>
#include <boost/version.hpp>
#if BOOST_VERSION >= 106600
#include <boost/system/system_error.hpp>
#include <botan/tls_alert.h>
namespace Botan {
namespace TLS {
enum class error
{
unexpected_message = 1,
invalid_argument,
unsupported_argument,
invalid_state,
key_not_set,
lookup_error,
internal_error,
invalid_key_length,
invalid_iv_length,
prng_unseeded,
policy_violation,
algorithm_not_found,
no_provider_found,
provider_not_found,
invalid_algorithm_name,
encoding_error,
decoding_error,
integrity_failure,
invalid_oid,
stream_io_error,
self_test_failure,
not_implemented,
unknown
};
namespace detail {
// TLS Alerts
struct BotanAlertCategory : boost::system::error_category
{
const char* name() const noexcept override
{
return "asio.botan.tls.alert";
}
std::string message(int ev) const override
{
Botan::TLS::Alert alert(static_cast<Botan::TLS::Alert::Type>(ev));
return alert.type_string();
}
};
inline const BotanAlertCategory& botan_alert_category() noexcept
{
static BotanAlertCategory category;
return category;
}
struct BotanErrorCategory : boost::system::error_category
{
const char* name() const noexcept override
{
return "asio.botan.tls";
}
std::string message(int ev) const override
{
switch(static_cast<error>(ev))
{
case error::unexpected_message:
return "unexpected_message";
case error::invalid_argument:
return "invalid_argument";
case error::unsupported_argument:
return "unsupported_argument";
case error::invalid_state:
return "invalid_state";
case error::key_not_set:
return "key_not_set";
case error::lookup_error:
return "lookup_error";
case error::internal_error:
return "internal_error";
case error::invalid_key_length:
return "invalid_key_length";
case error::invalid_iv_length:
return "invalid_iv_length";
case error::prng_unseeded:
return "prng_unseeded";
case error::policy_violation:
return "policy_violation";
case error::algorithm_not_found:
return "algorithm_not_found";
case error::no_provider_found:
return "no_provider_found";
case error::provider_not_found:
return "provider_not_found";
case error::invalid_algorithm_name:
return "invalid_algorithm_name";
case error::encoding_error:
return "encoding_error";
case error::decoding_error:
return "decoding_error";
case error::integrity_failure:
return "integrity_failure";
case error::invalid_oid:
return "invalid_oid";
case error::stream_io_error:
return "stream_io_error";
case error::self_test_failure:
return "self_test_failure";
case error::not_implemented:
return "not_implemented";
default:
return "(unrecognized botan tls error)";
}
}
};
inline const BotanErrorCategory& botan_category() noexcept
{
static BotanErrorCategory category;
return category;
}
} // namespace detail
inline boost::system::error_code make_error_code(Botan::TLS::Alert::Type c)
{
return boost::system::error_code(static_cast<int>(c), detail::botan_alert_category());
}
inline boost::system::error_code make_error_code(error c)
{
return boost::system::error_code(static_cast<int>(c), detail::botan_category());
}
} // namespace TLS
} // namespace Botan
namespace boost {
namespace system {
template<> struct is_error_code_enum<Botan::TLS::Alert::Type>
{
static const bool value = true;
};
template<> struct is_error_code_enum<Botan::TLS::error>
{
static const bool value = true;
};
} // namespace system
} // namespace boost
#endif // BOOST_VERSION
#endif // BOTAN_ASIO_ERROR_H_
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