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mirror of https://github.com/VCMP-SqMod/SqMod.git synced 2025-07-05 08:27:10 +02:00

Initial preparations for CURL and Discord integration.

This commit is contained in:
Sandu Liviu Catalin
2021-01-27 07:27:48 +02:00
parent 8257eb61d6
commit 95705e87c8
1751 changed files with 440547 additions and 854 deletions

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//
// ssl/detail/buffered_handshake_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_BUFFERED_HANDSHAKE_OP_HPP
#define ASIO_SSL_DETAIL_BUFFERED_HANDSHAKE_OP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
template <typename ConstBufferSequence>
class buffered_handshake_op
{
public:
static ASIO_CONSTEXPR const char* tracking_name()
{
return "ssl::stream<>::async_buffered_handshake";
}
buffered_handshake_op(stream_base::handshake_type type,
const ConstBufferSequence& buffers)
: type_(type),
buffers_(buffers),
total_buffer_size_(asio::buffer_size(buffers_))
{
}
engine::want operator()(engine& eng,
asio::error_code& ec,
std::size_t& bytes_transferred) const
{
return this->process(eng, ec, bytes_transferred,
asio::buffer_sequence_begin(buffers_),
asio::buffer_sequence_end(buffers_));
}
template <typename Handler>
void call_handler(Handler& handler,
const asio::error_code& ec,
const std::size_t& bytes_transferred) const
{
handler(ec, bytes_transferred);
}
private:
template <typename Iterator>
engine::want process(engine& eng,
asio::error_code& ec,
std::size_t& bytes_transferred,
Iterator begin, Iterator end) const
{
Iterator iter = begin;
std::size_t accumulated_size = 0;
for (;;)
{
engine::want want = eng.handshake(type_, ec);
if (want != engine::want_input_and_retry
|| bytes_transferred == total_buffer_size_)
return want;
// Find the next buffer piece to be fed to the engine.
while (iter != end)
{
const_buffer buffer(*iter);
// Skip over any buffers which have already been consumed by the engine.
if (bytes_transferred >= accumulated_size + buffer.size())
{
accumulated_size += buffer.size();
++iter;
continue;
}
// The current buffer may have been partially consumed by the engine on
// a previous iteration. If so, adjust the buffer to point to the
// unused portion.
if (bytes_transferred > accumulated_size)
buffer = buffer + (bytes_transferred - accumulated_size);
// Pass the buffer to the engine, and update the bytes transferred to
// reflect the total number of bytes consumed so far.
bytes_transferred += buffer.size();
buffer = eng.put_input(buffer);
bytes_transferred -= buffer.size();
break;
}
}
}
stream_base::handshake_type type_;
ConstBufferSequence buffers_;
std::size_t total_buffer_size_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_BUFFERED_HANDSHAKE_OP_HPP

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//
// ssl/detail/engine.hpp
// ~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_ENGINE_HPP
#define ASIO_SSL_DETAIL_ENGINE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/buffer.hpp"
#include "asio/detail/static_mutex.hpp"
#include "asio/ssl/detail/openssl_types.hpp"
#include "asio/ssl/detail/verify_callback.hpp"
#include "asio/ssl/stream_base.hpp"
#include "asio/ssl/verify_mode.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class engine
{
public:
enum want
{
// Returned by functions to indicate that the engine wants input. The input
// buffer should be updated to point to the data. The engine then needs to
// be called again to retry the operation.
want_input_and_retry = -2,
// Returned by functions to indicate that the engine wants to write output.
// The output buffer points to the data to be written. The engine then
// needs to be called again to retry the operation.
want_output_and_retry = -1,
// Returned by functions to indicate that the engine doesn't need input or
// output.
want_nothing = 0,
// Returned by functions to indicate that the engine wants to write output.
// The output buffer points to the data to be written. After that the
// operation is complete, and the engine does not need to be called again.
want_output = 1
};
// Construct a new engine for the specified context.
ASIO_DECL explicit engine(SSL_CTX* context);
#if defined(ASIO_HAS_MOVE)
// Move construct from another engine.
ASIO_DECL engine(engine&& other) ASIO_NOEXCEPT;
#endif // defined(ASIO_HAS_MOVE)
// Destructor.
ASIO_DECL ~engine();
// Get the underlying implementation in the native type.
ASIO_DECL SSL* native_handle();
// Set the peer verification mode.
ASIO_DECL asio::error_code set_verify_mode(
verify_mode v, asio::error_code& ec);
// Set the peer verification depth.
ASIO_DECL asio::error_code set_verify_depth(
int depth, asio::error_code& ec);
// Set a peer certificate verification callback.
ASIO_DECL asio::error_code set_verify_callback(
verify_callback_base* callback, asio::error_code& ec);
// Perform an SSL handshake using either SSL_connect (client-side) or
// SSL_accept (server-side).
ASIO_DECL want handshake(
stream_base::handshake_type type, asio::error_code& ec);
// Perform a graceful shutdown of the SSL session.
ASIO_DECL want shutdown(asio::error_code& ec);
// Write bytes to the SSL session.
ASIO_DECL want write(const asio::const_buffer& data,
asio::error_code& ec, std::size_t& bytes_transferred);
// Read bytes from the SSL session.
ASIO_DECL want read(const asio::mutable_buffer& data,
asio::error_code& ec, std::size_t& bytes_transferred);
// Get output data to be written to the transport.
ASIO_DECL asio::mutable_buffer get_output(
const asio::mutable_buffer& data);
// Put input data that was read from the transport.
ASIO_DECL asio::const_buffer put_input(
const asio::const_buffer& data);
// Map an error::eof code returned by the underlying transport according to
// the type and state of the SSL session. Returns a const reference to the
// error code object, suitable for passing to a completion handler.
ASIO_DECL const asio::error_code& map_error_code(
asio::error_code& ec) const;
private:
// Disallow copying and assignment.
engine(const engine&);
engine& operator=(const engine&);
// Callback used when the SSL implementation wants to verify a certificate.
ASIO_DECL static int verify_callback_function(
int preverified, X509_STORE_CTX* ctx);
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
// The SSL_accept function may not be thread safe. This mutex is used to
// protect all calls to the SSL_accept function.
ASIO_DECL static asio::detail::static_mutex& accept_mutex();
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
// Perform one operation. Returns >= 0 on success or error, want_read if the
// operation needs more input, or want_write if it needs to write some output
// before the operation can complete.
ASIO_DECL want perform(int (engine::* op)(void*, std::size_t),
void* data, std::size_t length, asio::error_code& ec,
std::size_t* bytes_transferred);
// Adapt the SSL_accept function to the signature needed for perform().
ASIO_DECL int do_accept(void*, std::size_t);
// Adapt the SSL_connect function to the signature needed for perform().
ASIO_DECL int do_connect(void*, std::size_t);
// Adapt the SSL_shutdown function to the signature needed for perform().
ASIO_DECL int do_shutdown(void*, std::size_t);
// Adapt the SSL_read function to the signature needed for perform().
ASIO_DECL int do_read(void* data, std::size_t length);
// Adapt the SSL_write function to the signature needed for perform().
ASIO_DECL int do_write(void* data, std::size_t length);
SSL* ssl_;
BIO* ext_bio_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#if defined(ASIO_HEADER_ONLY)
# include "asio/ssl/detail/impl/engine.ipp"
#endif // defined(ASIO_HEADER_ONLY)
#endif // ASIO_SSL_DETAIL_ENGINE_HPP

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//
// ssl/detail/handshake_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_HANDSHAKE_OP_HPP
#define ASIO_SSL_DETAIL_HANDSHAKE_OP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class handshake_op
{
public:
static ASIO_CONSTEXPR const char* tracking_name()
{
return "ssl::stream<>::async_handshake";
}
handshake_op(stream_base::handshake_type type)
: type_(type)
{
}
engine::want operator()(engine& eng,
asio::error_code& ec,
std::size_t& bytes_transferred) const
{
bytes_transferred = 0;
return eng.handshake(type_, ec);
}
template <typename Handler>
void call_handler(Handler& handler,
const asio::error_code& ec,
const std::size_t&) const
{
handler(ec);
}
private:
stream_base::handshake_type type_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_HANDSHAKE_OP_HPP

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//
// ssl/detail/impl/engine.ipp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_IMPL_ENGINE_IPP
#define ASIO_SSL_DETAIL_IMPL_ENGINE_IPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/throw_error.hpp"
#include "asio/error.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/ssl/error.hpp"
#include "asio/ssl/verify_context.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
engine::engine(SSL_CTX* context)
: ssl_(::SSL_new(context))
{
if (!ssl_)
{
asio::error_code ec(
static_cast<int>(::ERR_get_error()),
asio::error::get_ssl_category());
asio::detail::throw_error(ec, "engine");
}
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
accept_mutex().init();
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
::SSL_set_mode(ssl_, SSL_MODE_ENABLE_PARTIAL_WRITE);
::SSL_set_mode(ssl_, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
#if defined(SSL_MODE_RELEASE_BUFFERS)
::SSL_set_mode(ssl_, SSL_MODE_RELEASE_BUFFERS);
#endif // defined(SSL_MODE_RELEASE_BUFFERS)
::BIO* int_bio = 0;
::BIO_new_bio_pair(&int_bio, 0, &ext_bio_, 0);
::SSL_set_bio(ssl_, int_bio, int_bio);
}
#if defined(ASIO_HAS_MOVE)
engine::engine(engine&& other) ASIO_NOEXCEPT
: ssl_(other.ssl_),
ext_bio_(other.ext_bio_)
{
other.ssl_ = 0;
other.ext_bio_ = 0;
}
#endif // defined(ASIO_HAS_MOVE)
engine::~engine()
{
if (ssl_ && SSL_get_app_data(ssl_))
{
delete static_cast<verify_callback_base*>(SSL_get_app_data(ssl_));
SSL_set_app_data(ssl_, 0);
}
if (ext_bio_)
::BIO_free(ext_bio_);
if (ssl_)
::SSL_free(ssl_);
}
SSL* engine::native_handle()
{
return ssl_;
}
asio::error_code engine::set_verify_mode(
verify_mode v, asio::error_code& ec)
{
::SSL_set_verify(ssl_, v, ::SSL_get_verify_callback(ssl_));
ec = asio::error_code();
return ec;
}
asio::error_code engine::set_verify_depth(
int depth, asio::error_code& ec)
{
::SSL_set_verify_depth(ssl_, depth);
ec = asio::error_code();
return ec;
}
asio::error_code engine::set_verify_callback(
verify_callback_base* callback, asio::error_code& ec)
{
if (SSL_get_app_data(ssl_))
delete static_cast<verify_callback_base*>(SSL_get_app_data(ssl_));
SSL_set_app_data(ssl_, callback);
::SSL_set_verify(ssl_, ::SSL_get_verify_mode(ssl_),
&engine::verify_callback_function);
ec = asio::error_code();
return ec;
}
int engine::verify_callback_function(int preverified, X509_STORE_CTX* ctx)
{
if (ctx)
{
if (SSL* ssl = static_cast<SSL*>(
::X509_STORE_CTX_get_ex_data(
ctx, ::SSL_get_ex_data_X509_STORE_CTX_idx())))
{
if (SSL_get_app_data(ssl))
{
verify_callback_base* callback =
static_cast<verify_callback_base*>(
SSL_get_app_data(ssl));
verify_context verify_ctx(ctx);
return callback->call(preverified != 0, verify_ctx) ? 1 : 0;
}
}
}
return 0;
}
engine::want engine::handshake(
stream_base::handshake_type type, asio::error_code& ec)
{
return perform((type == asio::ssl::stream_base::client)
? &engine::do_connect : &engine::do_accept, 0, 0, ec, 0);
}
engine::want engine::shutdown(asio::error_code& ec)
{
return perform(&engine::do_shutdown, 0, 0, ec, 0);
}
engine::want engine::write(const asio::const_buffer& data,
asio::error_code& ec, std::size_t& bytes_transferred)
{
if (data.size() == 0)
{
ec = asio::error_code();
return engine::want_nothing;
}
return perform(&engine::do_write,
const_cast<void*>(data.data()),
data.size(), ec, &bytes_transferred);
}
engine::want engine::read(const asio::mutable_buffer& data,
asio::error_code& ec, std::size_t& bytes_transferred)
{
if (data.size() == 0)
{
ec = asio::error_code();
return engine::want_nothing;
}
return perform(&engine::do_read, data.data(),
data.size(), ec, &bytes_transferred);
}
asio::mutable_buffer engine::get_output(
const asio::mutable_buffer& data)
{
int length = ::BIO_read(ext_bio_,
data.data(), static_cast<int>(data.size()));
return asio::buffer(data,
length > 0 ? static_cast<std::size_t>(length) : 0);
}
asio::const_buffer engine::put_input(
const asio::const_buffer& data)
{
int length = ::BIO_write(ext_bio_,
data.data(), static_cast<int>(data.size()));
return asio::buffer(data +
(length > 0 ? static_cast<std::size_t>(length) : 0));
}
const asio::error_code& engine::map_error_code(
asio::error_code& ec) const
{
// We only want to map the error::eof code.
if (ec != asio::error::eof)
return ec;
// If there's data yet to be read, it's an error.
if (BIO_wpending(ext_bio_))
{
ec = asio::ssl::error::stream_truncated;
return ec;
}
// SSL v2 doesn't provide a protocol-level shutdown, so an eof on the
// underlying transport is passed through.
#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
if (SSL_version(ssl_) == SSL2_VERSION)
return ec;
#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
// Otherwise, the peer should have negotiated a proper shutdown.
if ((::SSL_get_shutdown(ssl_) & SSL_RECEIVED_SHUTDOWN) == 0)
{
ec = asio::ssl::error::stream_truncated;
}
return ec;
}
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
asio::detail::static_mutex& engine::accept_mutex()
{
static asio::detail::static_mutex mutex = ASIO_STATIC_MUTEX_INIT;
return mutex;
}
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
engine::want engine::perform(int (engine::* op)(void*, std::size_t),
void* data, std::size_t length, asio::error_code& ec,
std::size_t* bytes_transferred)
{
std::size_t pending_output_before = ::BIO_ctrl_pending(ext_bio_);
::ERR_clear_error();
int result = (this->*op)(data, length);
int ssl_error = ::SSL_get_error(ssl_, result);
int sys_error = static_cast<int>(::ERR_get_error());
std::size_t pending_output_after = ::BIO_ctrl_pending(ext_bio_);
if (ssl_error == SSL_ERROR_SSL)
{
ec = asio::error_code(sys_error,
asio::error::get_ssl_category());
return pending_output_after > pending_output_before
? want_output : want_nothing;
}
if (ssl_error == SSL_ERROR_SYSCALL)
{
if (sys_error == 0)
{
ec = asio::ssl::error::unspecified_system_error;
}
else
{
ec = asio::error_code(sys_error,
asio::error::get_ssl_category());
}
return pending_output_after > pending_output_before
? want_output : want_nothing;
}
if (result > 0 && bytes_transferred)
*bytes_transferred = static_cast<std::size_t>(result);
if (ssl_error == SSL_ERROR_WANT_WRITE)
{
ec = asio::error_code();
return want_output_and_retry;
}
else if (pending_output_after > pending_output_before)
{
ec = asio::error_code();
return result > 0 ? want_output : want_output_and_retry;
}
else if (ssl_error == SSL_ERROR_WANT_READ)
{
ec = asio::error_code();
return want_input_and_retry;
}
else if (ssl_error == SSL_ERROR_ZERO_RETURN)
{
ec = asio::error::eof;
return want_nothing;
}
else if (ssl_error == SSL_ERROR_NONE)
{
ec = asio::error_code();
return want_nothing;
}
else
{
ec = asio::ssl::error::unexpected_result;
return want_nothing;
}
}
int engine::do_accept(void*, std::size_t)
{
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
asio::detail::static_mutex::scoped_lock lock(accept_mutex());
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
return ::SSL_accept(ssl_);
}
int engine::do_connect(void*, std::size_t)
{
return ::SSL_connect(ssl_);
}
int engine::do_shutdown(void*, std::size_t)
{
int result = ::SSL_shutdown(ssl_);
if (result == 0)
result = ::SSL_shutdown(ssl_);
return result;
}
int engine::do_read(void* data, std::size_t length)
{
return ::SSL_read(ssl_, data,
length < INT_MAX ? static_cast<int>(length) : INT_MAX);
}
int engine::do_write(void* data, std::size_t length)
{
return ::SSL_write(ssl_, data,
length < INT_MAX ? static_cast<int>(length) : INT_MAX);
}
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_IMPL_ENGINE_IPP

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//
// ssl/detail/impl/openssl_init.ipp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
// Copyright (c) 2005-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
#define ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include <vector>
#include "asio/detail/assert.hpp"
#include "asio/detail/mutex.hpp"
#include "asio/detail/tss_ptr.hpp"
#include "asio/ssl/detail/openssl_init.hpp"
#include "asio/ssl/detail/openssl_types.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class openssl_init_base::do_init
{
public:
do_init()
{
#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
::SSL_library_init();
::SSL_load_error_strings();
::OpenSSL_add_all_algorithms();
mutexes_.resize(::CRYPTO_num_locks());
for (size_t i = 0; i < mutexes_.size(); ++i)
mutexes_[i].reset(new asio::detail::mutex);
::CRYPTO_set_locking_callback(&do_init::openssl_locking_func);
#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
::CRYPTO_set_id_callback(&do_init::openssl_id_func);
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
null_compression_methods_ = sk_SSL_COMP_new_null();
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
}
~do_init()
{
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
sk_SSL_COMP_free(null_compression_methods_);
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
::CRYPTO_set_id_callback(0);
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
::CRYPTO_set_locking_callback(0);
::ERR_free_strings();
::EVP_cleanup();
::CRYPTO_cleanup_all_ex_data();
#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
::ERR_remove_state(0);
#elif (OPENSSL_VERSION_NUMBER < 0x10100000L)
::ERR_remove_thread_state(NULL);
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) \
&& (OPENSSL_VERSION_NUMBER < 0x10100000L) \
&& !defined(SSL_OP_NO_COMPRESSION)
::SSL_COMP_free_compression_methods();
#endif // (OPENSSL_VERSION_NUMBER >= 0x10002000L)
// && (OPENSSL_VERSION_NUMBER < 0x10100000L)
// && !defined(SSL_OP_NO_COMPRESSION)
#if !defined(OPENSSL_IS_BORINGSSL) && !defined(ASIO_USE_WOLFSSL)
::CONF_modules_unload(1);
#endif // !defined(OPENSSL_IS_BORINGSSL) && !defined(ASIO_USE_WOLFSSL)
#if !defined(OPENSSL_NO_ENGINE) \
&& (OPENSSL_VERSION_NUMBER < 0x10100000L)
::ENGINE_cleanup();
#endif // !defined(OPENSSL_NO_ENGINE)
// && (OPENSSL_VERSION_NUMBER < 0x10100000L)
}
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
STACK_OF(SSL_COMP)* get_null_compression_methods() const
{
return null_compression_methods_;
}
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
private:
#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
static unsigned long openssl_id_func()
{
#if defined(ASIO_WINDOWS) || defined(__CYGWIN__)
return ::GetCurrentThreadId();
#else // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
void* id = &errno;
ASIO_ASSERT(sizeof(unsigned long) >= sizeof(void*));
return reinterpret_cast<unsigned long>(id);
#endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
}
#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
static void openssl_locking_func(int mode, int n,
const char* /*file*/, int /*line*/)
{
if (mode & CRYPTO_LOCK)
instance()->mutexes_[n]->lock();
else
instance()->mutexes_[n]->unlock();
}
// Mutexes to be used in locking callbacks.
std::vector<asio::detail::shared_ptr<
asio::detail::mutex> > mutexes_;
#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
STACK_OF(SSL_COMP)* null_compression_methods_;
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
};
asio::detail::shared_ptr<openssl_init_base::do_init>
openssl_init_base::instance()
{
static asio::detail::shared_ptr<do_init> init(new do_init);
return init;
}
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
STACK_OF(SSL_COMP)* openssl_init_base::get_null_compression_methods()
{
return instance()->get_null_compression_methods();
}
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP

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//
// ssl/detail/io.hpp
// ~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_IO_HPP
#define ASIO_SSL_DETAIL_IO_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/handler_tracking.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/ssl/detail/stream_core.hpp"
#include "asio/write.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
template <typename Stream, typename Operation>
std::size_t io(Stream& next_layer, stream_core& core,
const Operation& op, asio::error_code& ec)
{
asio::error_code io_ec;
std::size_t bytes_transferred = 0;
do switch (op(core.engine_, ec, bytes_transferred))
{
case engine::want_input_and_retry:
// If the input buffer is empty then we need to read some more data from
// the underlying transport.
if (core.input_.size() == 0)
{
core.input_ = asio::buffer(core.input_buffer_,
next_layer.read_some(core.input_buffer_, io_ec));
if (!ec)
ec = io_ec;
}
// Pass the new input data to the engine.
core.input_ = core.engine_.put_input(core.input_);
// Try the operation again.
continue;
case engine::want_output_and_retry:
// Get output data from the engine and write it to the underlying
// transport.
asio::write(next_layer,
core.engine_.get_output(core.output_buffer_), io_ec);
if (!ec)
ec = io_ec;
// Try the operation again.
continue;
case engine::want_output:
// Get output data from the engine and write it to the underlying
// transport.
asio::write(next_layer,
core.engine_.get_output(core.output_buffer_), io_ec);
if (!ec)
ec = io_ec;
// Operation is complete. Return result to caller.
core.engine_.map_error_code(ec);
return bytes_transferred;
default:
// Operation is complete. Return result to caller.
core.engine_.map_error_code(ec);
return bytes_transferred;
} while (!ec);
// Operation failed. Return result to caller.
core.engine_.map_error_code(ec);
return 0;
}
template <typename Stream, typename Operation, typename Handler>
class io_op
{
public:
io_op(Stream& next_layer, stream_core& core,
const Operation& op, Handler& handler)
: next_layer_(next_layer),
core_(core),
op_(op),
start_(0),
want_(engine::want_nothing),
bytes_transferred_(0),
handler_(ASIO_MOVE_CAST(Handler)(handler))
{
}
#if defined(ASIO_HAS_MOVE)
io_op(const io_op& other)
: next_layer_(other.next_layer_),
core_(other.core_),
op_(other.op_),
start_(other.start_),
want_(other.want_),
ec_(other.ec_),
bytes_transferred_(other.bytes_transferred_),
handler_(other.handler_)
{
}
io_op(io_op&& other)
: next_layer_(other.next_layer_),
core_(other.core_),
op_(ASIO_MOVE_CAST(Operation)(other.op_)),
start_(other.start_),
want_(other.want_),
ec_(other.ec_),
bytes_transferred_(other.bytes_transferred_),
handler_(ASIO_MOVE_CAST(Handler)(other.handler_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()(asio::error_code ec,
std::size_t bytes_transferred = ~std::size_t(0), int start = 0)
{
switch (start_ = start)
{
case 1: // Called after at least one async operation.
do
{
switch (want_ = op_(core_.engine_, ec_, bytes_transferred_))
{
case engine::want_input_and_retry:
// If the input buffer already has data in it we can pass it to the
// engine and then retry the operation immediately.
if (core_.input_.size() != 0)
{
core_.input_ = core_.engine_.put_input(core_.input_);
continue;
}
// The engine wants more data to be read from input. However, we
// cannot allow more than one read operation at a time on the
// underlying transport. The pending_read_ timer's expiry is set to
// pos_infin if a read is in progress, and neg_infin otherwise.
if (core_.expiry(core_.pending_read_) == core_.neg_infin())
{
// Prevent other read operations from being started.
core_.pending_read_.expires_at(core_.pos_infin());
ASIO_HANDLER_LOCATION((
__FILE__, __LINE__, Operation::tracking_name()));
// Start reading some data from the underlying transport.
next_layer_.async_read_some(
asio::buffer(core_.input_buffer_),
ASIO_MOVE_CAST(io_op)(*this));
}
else
{
ASIO_HANDLER_LOCATION((
__FILE__, __LINE__, Operation::tracking_name()));
// Wait until the current read operation completes.
core_.pending_read_.async_wait(ASIO_MOVE_CAST(io_op)(*this));
}
// Yield control until asynchronous operation completes. Control
// resumes at the "default:" label below.
return;
case engine::want_output_and_retry:
case engine::want_output:
// The engine wants some data to be written to the output. However, we
// cannot allow more than one write operation at a time on the
// underlying transport. The pending_write_ timer's expiry is set to
// pos_infin if a write is in progress, and neg_infin otherwise.
if (core_.expiry(core_.pending_write_) == core_.neg_infin())
{
// Prevent other write operations from being started.
core_.pending_write_.expires_at(core_.pos_infin());
ASIO_HANDLER_LOCATION((
__FILE__, __LINE__, Operation::tracking_name()));
// Start writing all the data to the underlying transport.
asio::async_write(next_layer_,
core_.engine_.get_output(core_.output_buffer_),
ASIO_MOVE_CAST(io_op)(*this));
}
else
{
ASIO_HANDLER_LOCATION((
__FILE__, __LINE__, Operation::tracking_name()));
// Wait until the current write operation completes.
core_.pending_write_.async_wait(ASIO_MOVE_CAST(io_op)(*this));
}
// Yield control until asynchronous operation completes. Control
// resumes at the "default:" label below.
return;
default:
// The SSL operation is done and we can invoke the handler, but we
// have to keep in mind that this function might be being called from
// the async operation's initiating function. In this case we're not
// allowed to call the handler directly. Instead, issue a zero-sized
// read so the handler runs "as-if" posted using io_context::post().
if (start)
{
ASIO_HANDLER_LOCATION((
__FILE__, __LINE__, Operation::tracking_name()));
next_layer_.async_read_some(
asio::buffer(core_.input_buffer_, 0),
ASIO_MOVE_CAST(io_op)(*this));
// Yield control until asynchronous operation completes. Control
// resumes at the "default:" label below.
return;
}
else
{
// Continue on to run handler directly.
break;
}
}
default:
if (bytes_transferred == ~std::size_t(0))
bytes_transferred = 0; // Timer cancellation, no data transferred.
else if (!ec_)
ec_ = ec;
switch (want_)
{
case engine::want_input_and_retry:
// Add received data to the engine's input.
core_.input_ = asio::buffer(
core_.input_buffer_, bytes_transferred);
core_.input_ = core_.engine_.put_input(core_.input_);
// Release any waiting read operations.
core_.pending_read_.expires_at(core_.neg_infin());
// Try the operation again.
continue;
case engine::want_output_and_retry:
// Release any waiting write operations.
core_.pending_write_.expires_at(core_.neg_infin());
// Try the operation again.
continue;
case engine::want_output:
// Release any waiting write operations.
core_.pending_write_.expires_at(core_.neg_infin());
// Fall through to call handler.
default:
// Pass the result to the handler.
op_.call_handler(handler_,
core_.engine_.map_error_code(ec_),
ec_ ? 0 : bytes_transferred_);
// Our work here is done.
return;
}
} while (!ec_);
// Operation failed. Pass the result to the handler.
op_.call_handler(handler_, core_.engine_.map_error_code(ec_), 0);
}
}
//private:
Stream& next_layer_;
stream_core& core_;
Operation op_;
int start_;
engine::want want_;
asio::error_code ec_;
std::size_t bytes_transferred_;
Handler handler_;
};
template <typename Stream, typename Operation, typename Handler>
inline asio_handler_allocate_is_deprecated
asio_handler_allocate(std::size_t size,
io_op<Stream, Operation, Handler>* this_handler)
{
#if defined(ASIO_NO_DEPRECATED)
asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
return asio_handler_allocate_is_no_longer_used();
#else // defined(ASIO_NO_DEPRECATED)
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Stream, typename Operation, typename Handler>
inline asio_handler_deallocate_is_deprecated
asio_handler_deallocate(void* pointer, std::size_t size,
io_op<Stream, Operation, Handler>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_deallocate_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Stream, typename Operation, typename Handler>
inline bool asio_handler_is_continuation(
io_op<Stream, Operation, Handler>* this_handler)
{
return this_handler->start_ == 0 ? true
: asio_handler_cont_helpers::is_continuation(this_handler->handler_);
}
template <typename Function, typename Stream,
typename Operation, typename Handler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(Function& function,
io_op<Stream, Operation, Handler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Function, typename Stream,
typename Operation, typename Handler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(const Function& function,
io_op<Stream, Operation, Handler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Stream, typename Operation, typename Handler>
inline void async_io(Stream& next_layer, stream_core& core,
const Operation& op, Handler& handler)
{
io_op<Stream, Operation, Handler>(
next_layer, core, op, handler)(
asio::error_code(), 0, 1);
}
} // namespace detail
} // namespace ssl
template <typename Stream, typename Operation,
typename Handler, typename Allocator>
struct associated_allocator<
ssl::detail::io_op<Stream, Operation, Handler>, Allocator>
{
typedef typename associated_allocator<Handler, Allocator>::type type;
static type get(const ssl::detail::io_op<Stream, Operation, Handler>& h,
const Allocator& a = Allocator()) ASIO_NOEXCEPT
{
return associated_allocator<Handler, Allocator>::get(h.handler_, a);
}
};
template <typename Stream, typename Operation,
typename Handler, typename Executor>
struct associated_executor<
ssl::detail::io_op<Stream, Operation, Handler>, Executor>
: detail::associated_executor_forwarding_base<Handler, Executor>
{
typedef typename associated_executor<Handler, Executor>::type type;
static type get(const ssl::detail::io_op<Stream, Operation, Handler>& h,
const Executor& ex = Executor()) ASIO_NOEXCEPT
{
return associated_executor<Handler, Executor>::get(h.handler_, ex);
}
};
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_IO_HPP

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//
// ssl/detail/openssl_init.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_OPENSSL_INIT_HPP
#define ASIO_SSL_DETAIL_OPENSSL_INIT_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include <cstring>
#include "asio/detail/memory.hpp"
#include "asio/detail/noncopyable.hpp"
#include "asio/ssl/detail/openssl_types.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class openssl_init_base
: private noncopyable
{
protected:
// Class that performs the actual initialisation.
class do_init;
// Helper function to manage a do_init singleton. The static instance of the
// openssl_init object ensures that this function is always called before
// main, and therefore before any other threads can get started. The do_init
// instance must be static in this function to ensure that it gets
// initialised before any other global objects try to use it.
ASIO_DECL static asio::detail::shared_ptr<do_init> instance();
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
// Get an empty stack of compression methods, to be used when disabling
// compression.
ASIO_DECL static STACK_OF(SSL_COMP)* get_null_compression_methods();
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
};
template <bool Do_Init = true>
class openssl_init : private openssl_init_base
{
public:
// Constructor.
openssl_init()
: ref_(instance())
{
using namespace std; // For memmove.
// Ensure openssl_init::instance_ is linked in.
openssl_init* tmp = &instance_;
memmove(&tmp, &tmp, sizeof(openssl_init*));
}
// Destructor.
~openssl_init()
{
}
#if !defined(SSL_OP_NO_COMPRESSION) \
&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
using openssl_init_base::get_null_compression_methods;
#endif // !defined(SSL_OP_NO_COMPRESSION)
// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
private:
// Instance to force initialisation of openssl at global scope.
static openssl_init instance_;
// Reference to singleton do_init object to ensure that openssl does not get
// cleaned up until the last user has finished with it.
asio::detail::shared_ptr<do_init> ref_;
};
template <bool Do_Init>
openssl_init<Do_Init> openssl_init<Do_Init>::instance_;
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#if defined(ASIO_HEADER_ONLY)
# include "asio/ssl/detail/impl/openssl_init.ipp"
#endif // defined(ASIO_HEADER_ONLY)
#endif // ASIO_SSL_DETAIL_OPENSSL_INIT_HPP

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//
// ssl/detail/openssl_types.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_OPENSSL_TYPES_HPP
#define ASIO_SSL_DETAIL_OPENSSL_TYPES_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/socket_types.hpp"
#if defined(ASIO_USE_WOLFSSL)
# include <wolfssl/options.h>
#endif // defined(ASIO_USE_WOLFSSL)
#include <openssl/conf.h>
#include <openssl/ssl.h>
#if !defined(OPENSSL_NO_ENGINE)
# include <openssl/engine.h>
#endif // !defined(OPENSSL_NO_ENGINE)
#include <openssl/dh.h>
#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#endif // ASIO_SSL_DETAIL_OPENSSL_TYPES_HPP

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//
// ssl/detail/password_callback.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
#define ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include <cstddef>
#include <string>
#include "asio/ssl/context_base.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class password_callback_base
{
public:
virtual ~password_callback_base()
{
}
virtual std::string call(std::size_t size,
context_base::password_purpose purpose) = 0;
};
template <typename PasswordCallback>
class password_callback : public password_callback_base
{
public:
explicit password_callback(PasswordCallback callback)
: callback_(callback)
{
}
virtual std::string call(std::size_t size,
context_base::password_purpose purpose)
{
return callback_(size, purpose);
}
private:
PasswordCallback callback_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP

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//
// ssl/detail/read_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_READ_OP_HPP
#define ASIO_SSL_DETAIL_READ_OP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/buffer_sequence_adapter.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
template <typename MutableBufferSequence>
class read_op
{
public:
static ASIO_CONSTEXPR const char* tracking_name()
{
return "ssl::stream<>::async_read_some";
}
read_op(const MutableBufferSequence& buffers)
: buffers_(buffers)
{
}
engine::want operator()(engine& eng,
asio::error_code& ec,
std::size_t& bytes_transferred) const
{
asio::mutable_buffer buffer =
asio::detail::buffer_sequence_adapter<asio::mutable_buffer,
MutableBufferSequence>::first(buffers_);
return eng.read(buffer, ec, bytes_transferred);
}
template <typename Handler>
void call_handler(Handler& handler,
const asio::error_code& ec,
const std::size_t& bytes_transferred) const
{
handler(ec, bytes_transferred);
}
private:
MutableBufferSequence buffers_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_READ_OP_HPP

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//
// ssl/detail/shutdown_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_SHUTDOWN_OP_HPP
#define ASIO_SSL_DETAIL_SHUTDOWN_OP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class shutdown_op
{
public:
static ASIO_CONSTEXPR const char* tracking_name()
{
return "ssl::stream<>::async_shutdown";
}
engine::want operator()(engine& eng,
asio::error_code& ec,
std::size_t& bytes_transferred) const
{
bytes_transferred = 0;
return eng.shutdown(ec);
}
template <typename Handler>
void call_handler(Handler& handler,
const asio::error_code& ec,
const std::size_t&) const
{
if (ec == asio::error::eof)
{
// The engine only generates an eof when the shutdown notification has
// been received from the peer. This indicates that the shutdown has
// completed successfully, and thus need not be passed on to the handler.
handler(asio::error_code());
}
else
{
handler(ec);
}
}
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_SHUTDOWN_OP_HPP

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//
// ssl/detail/stream_core.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_STREAM_CORE_HPP
#define ASIO_SSL_DETAIL_STREAM_CORE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(ASIO_HAS_BOOST_DATE_TIME)
# include "asio/deadline_timer.hpp"
#else // defined(ASIO_HAS_BOOST_DATE_TIME)
# include "asio/steady_timer.hpp"
#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
#include "asio/ssl/detail/engine.hpp"
#include "asio/buffer.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
struct stream_core
{
// According to the OpenSSL documentation, this is the buffer size that is
// sufficient to hold the largest possible TLS record.
enum { max_tls_record_size = 17 * 1024 };
template <typename Executor>
stream_core(SSL_CTX* context, const Executor& ex)
: engine_(context),
pending_read_(ex),
pending_write_(ex),
output_buffer_space_(max_tls_record_size),
output_buffer_(asio::buffer(output_buffer_space_)),
input_buffer_space_(max_tls_record_size),
input_buffer_(asio::buffer(input_buffer_space_))
{
pending_read_.expires_at(neg_infin());
pending_write_.expires_at(neg_infin());
}
#if defined(ASIO_HAS_MOVE)
stream_core(stream_core&& other)
: engine_(ASIO_MOVE_CAST(engine)(other.engine_)),
#if defined(ASIO_HAS_BOOST_DATE_TIME)
pending_read_(
ASIO_MOVE_CAST(asio::deadline_timer)(
other.pending_read_)),
pending_write_(
ASIO_MOVE_CAST(asio::deadline_timer)(
other.pending_write_)),
#else // defined(ASIO_HAS_BOOST_DATE_TIME)
pending_read_(
ASIO_MOVE_CAST(asio::steady_timer)(
other.pending_read_)),
pending_write_(
ASIO_MOVE_CAST(asio::steady_timer)(
other.pending_write_)),
#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
output_buffer_space_(
ASIO_MOVE_CAST(std::vector<unsigned char>)(
other.output_buffer_space_)),
output_buffer_(other.output_buffer_),
input_buffer_space_(
ASIO_MOVE_CAST(std::vector<unsigned char>)(
other.input_buffer_space_)),
input_buffer_(other.input_buffer_),
input_(other.input_)
{
other.output_buffer_ = asio::mutable_buffer(0, 0);
other.input_buffer_ = asio::mutable_buffer(0, 0);
other.input_ = asio::const_buffer(0, 0);
}
#endif // defined(ASIO_HAS_MOVE)
~stream_core()
{
}
// The SSL engine.
engine engine_;
#if defined(ASIO_HAS_BOOST_DATE_TIME)
// Timer used for storing queued read operations.
asio::deadline_timer pending_read_;
// Timer used for storing queued write operations.
asio::deadline_timer pending_write_;
// Helper function for obtaining a time value that always fires.
static asio::deadline_timer::time_type neg_infin()
{
return boost::posix_time::neg_infin;
}
// Helper function for obtaining a time value that never fires.
static asio::deadline_timer::time_type pos_infin()
{
return boost::posix_time::pos_infin;
}
// Helper function to get a timer's expiry time.
static asio::deadline_timer::time_type expiry(
const asio::deadline_timer& timer)
{
return timer.expires_at();
}
#else // defined(ASIO_HAS_BOOST_DATE_TIME)
// Timer used for storing queued read operations.
asio::steady_timer pending_read_;
// Timer used for storing queued write operations.
asio::steady_timer pending_write_;
// Helper function for obtaining a time value that always fires.
static asio::steady_timer::time_point neg_infin()
{
return (asio::steady_timer::time_point::min)();
}
// Helper function for obtaining a time value that never fires.
static asio::steady_timer::time_point pos_infin()
{
return (asio::steady_timer::time_point::max)();
}
// Helper function to get a timer's expiry time.
static asio::steady_timer::time_point expiry(
const asio::steady_timer& timer)
{
return timer.expiry();
}
#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
// Buffer space used to prepare output intended for the transport.
std::vector<unsigned char> output_buffer_space_;
// A buffer that may be used to prepare output intended for the transport.
asio::mutable_buffer output_buffer_;
// Buffer space used to read input intended for the engine.
std::vector<unsigned char> input_buffer_space_;
// A buffer that may be used to read input intended for the engine.
asio::mutable_buffer input_buffer_;
// The buffer pointing to the engine's unconsumed input.
asio::const_buffer input_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_STREAM_CORE_HPP

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//
// ssl/detail/verify_callback.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_VERIFY_CALLBACK_HPP
#define ASIO_SSL_DETAIL_VERIFY_CALLBACK_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/ssl/verify_context.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class verify_callback_base
{
public:
virtual ~verify_callback_base()
{
}
virtual bool call(bool preverified, verify_context& ctx) = 0;
};
template <typename VerifyCallback>
class verify_callback : public verify_callback_base
{
public:
explicit verify_callback(VerifyCallback callback)
: callback_(callback)
{
}
virtual bool call(bool preverified, verify_context& ctx)
{
return callback_(preverified, ctx);
}
private:
VerifyCallback callback_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_VERIFY_CALLBACK_HPP

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//
// ssl/detail/write_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_SSL_DETAIL_WRITE_OP_HPP
#define ASIO_SSL_DETAIL_WRITE_OP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/buffer_sequence_adapter.hpp"
#include "asio/ssl/detail/engine.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
template <typename ConstBufferSequence>
class write_op
{
public:
static ASIO_CONSTEXPR const char* tracking_name()
{
return "ssl::stream<>::async_write_some";
}
write_op(const ConstBufferSequence& buffers)
: buffers_(buffers)
{
}
engine::want operator()(engine& eng,
asio::error_code& ec,
std::size_t& bytes_transferred) const
{
unsigned char storage[
asio::detail::buffer_sequence_adapter<asio::const_buffer,
ConstBufferSequence>::linearisation_storage_size];
asio::const_buffer buffer =
asio::detail::buffer_sequence_adapter<asio::const_buffer,
ConstBufferSequence>::linearise(buffers_, asio::buffer(storage));
return eng.write(buffer, ec, bytes_transferred);
}
template <typename Handler>
void call_handler(Handler& handler,
const asio::error_code& ec,
const std::size_t& bytes_transferred) const
{
handler(ec, bytes_transferred);
}
private:
ConstBufferSequence buffers_;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_DETAIL_WRITE_OP_HPP