wownero/tests/fuzz/levin.cpp
2022-03-04 06:59:20 +01:00

313 lines
11 KiB
C++

// Copyright (c) 2017-2022, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "include_base_utils.h"
#include "file_io_utils.h"
#include "net/net_utils_base.h"
#include "net/abstract_tcp_server2.h"
#include "storages/levin_abstract_invoke2.h"
#include "net/levin_protocol_handler_async.h"
#include "fuzzer.h"
namespace
{
class call_counter
{
public:
call_counter() : m_counter(0) { }
// memory_order_relaxed is enough for call counter
void inc() volatile { m_counter.fetch_add(1, std::memory_order_relaxed); }
size_t get() volatile const { return m_counter.load(std::memory_order_relaxed); }
void reset() volatile { m_counter.store(0, std::memory_order_relaxed); }
private:
std::atomic<size_t> m_counter;
};
struct test_levin_connection_context : public epee::net_utils::connection_context_base
{
static constexpr int handshake_command() noexcept { return 1001; }
static constexpr bool handshake_complete() noexcept { return true; }
size_t get_max_bytes(int command) const { return LEVIN_DEFAULT_MAX_PACKET_SIZE; }
};
typedef epee::levin::async_protocol_handler_config<test_levin_connection_context> test_levin_protocol_handler_config;
typedef epee::levin::async_protocol_handler<test_levin_connection_context> test_levin_protocol_handler;
struct test_levin_commands_handler : public epee::levin::levin_commands_handler<test_levin_connection_context>
{
test_levin_commands_handler()
: m_return_code(LEVIN_OK)
, m_last_command(-1)
{
}
virtual int invoke(int command, const epee::span<const uint8_t> in_buff, epee::byte_stream& buff_out, test_levin_connection_context& context)
{
m_invoke_counter.inc();
boost::unique_lock<boost::mutex> lock(m_mutex);
m_last_command = command;
m_last_in_buf = std::string((const char*)in_buff.data(), in_buff.size());
buff_out.write(epee::to_span(m_invoke_out_buf));
return m_return_code;
}
virtual int notify(int command, const epee::span<const uint8_t> in_buff, test_levin_connection_context& context)
{
m_notify_counter.inc();
boost::unique_lock<boost::mutex> lock(m_mutex);
m_last_command = command;
m_last_in_buf = std::string((const char*)in_buff.data(), in_buff.size());
return m_return_code;
}
virtual void callback(test_levin_connection_context& context)
{
m_callback_counter.inc();
//std::cout << "test_levin_commands_handler::callback()" << std::endl;
}
virtual void on_connection_new(test_levin_connection_context& context)
{
m_new_connection_counter.inc();
//std::cout << "test_levin_commands_handler::on_connection_new()" << std::endl;
}
virtual void on_connection_close(test_levin_connection_context& context)
{
m_close_connection_counter.inc();
//std::cout << "test_levin_commands_handler::on_connection_close()" << std::endl;
}
size_t invoke_counter() const { return m_invoke_counter.get(); }
size_t notify_counter() const { return m_notify_counter.get(); }
size_t callback_counter() const { return m_callback_counter.get(); }
size_t new_connection_counter() const { return m_new_connection_counter.get(); }
size_t close_connection_counter() const { return m_close_connection_counter.get(); }
int return_code() const { return m_return_code; }
void return_code(int v) { m_return_code = v; }
void invoke_out_buf(std::string v) { m_invoke_out_buf = epee::byte_slice{std::move(v)}; }
int last_command() const { return m_last_command; }
const std::string& last_in_buf() const { return m_last_in_buf; }
private:
call_counter m_invoke_counter;
call_counter m_notify_counter;
call_counter m_callback_counter;
call_counter m_new_connection_counter;
call_counter m_close_connection_counter;
boost::mutex m_mutex;
int m_return_code;
epee::byte_slice m_invoke_out_buf;
int m_last_command;
std::string m_last_in_buf;
};
class test_connection : public epee::net_utils::i_service_endpoint
{
public:
test_connection(boost::asio::io_service& io_service, test_levin_protocol_handler_config& protocol_config)
: m_io_service(io_service)
, m_protocol_handler(this, protocol_config, m_context)
, m_send_return(true)
{
}
void start()
{
m_protocol_handler.after_init_connection();
}
// Implement epee::net_utils::i_service_endpoint interface
virtual bool do_send(epee::byte_slice message)
{
m_send_counter.inc();
boost::unique_lock<boost::mutex> lock(m_mutex);
m_last_send_data.append(reinterpret_cast<const char*>(message.data()), message.size());
return m_send_return;
}
virtual bool close() { return true; }
virtual bool send_done() { return true; }
virtual bool call_run_once_service_io() { return true; }
virtual bool request_callback() { return true; }
virtual boost::asio::io_service& get_io_service() { return m_io_service; }
virtual bool add_ref() { return true; }
virtual bool release() { return true; }
size_t send_counter() const { return m_send_counter.get(); }
const std::string& last_send_data() const { return m_last_send_data; }
void reset_last_send_data() { boost::unique_lock<boost::mutex> lock(m_mutex); m_last_send_data.clear(); }
bool send_return() const { return m_send_return; }
void send_return(bool v) { m_send_return = v; }
public:
test_levin_connection_context m_context;
test_levin_protocol_handler m_protocol_handler;
private:
boost::asio::io_service& m_io_service;
call_counter m_send_counter;
boost::mutex m_mutex;
std::string m_last_send_data;
bool m_send_return;
};
#if 0
class async_protocol_handler_test : public ::testing::Test
{
public:
const static uint64_t invoke_timeout = 5 * 1000;
const static size_t max_packet_size = 10 * 1024 * 1024;
typedef std::unique_ptr<test_connection> test_connection_ptr;
async_protocol_handler_test():
m_pcommands_handler(new test_levin_commands_handler()),
m_commands_handler(*m_pcommands_handler)
{
m_handler_config.set_handler(m_pcommands_handler, [](epee::levin::levin_commands_handler<test_levin_connection_context> *handler) { delete handler; });
m_handler_config.m_invoke_timeout = invoke_timeout;
m_handler_config.m_max_packet_size = max_packet_size;
}
virtual void SetUp()
{
}
protected:
test_connection_ptr create_connection(bool start = true)
{
test_connection_ptr conn(new test_connection(m_io_service, m_handler_config));
if (start)
{
conn->start();
}
return conn;
}
protected:
boost::asio::io_service m_io_service;
test_levin_protocol_handler_config m_handler_config;
test_levin_commands_handler *m_pcommands_handler, &m_commands_handler;
};
class positive_test_connection_to_levin_protocol_handler_calls : public async_protocol_handler_test
{
};
class test_levin_protocol_handler__hanle_recv_with_invalid_data : public async_protocol_handler_test
{
public:
static const int expected_command = 5615871;
static const int expected_return_code = 782546;
test_levin_protocol_handler__hanle_recv_with_invalid_data()
: m_expected_invoke_out_buf(512, 'y')
{
}
virtual void SetUp()
{
async_protocol_handler_test::SetUp();
m_conn = create_connection();
m_in_data.assign(256, 't');
m_req_head.m_signature = LEVIN_SIGNATURE;
m_req_head.m_cb = m_in_data.size();
m_req_head.m_have_to_return_data = true;
m_req_head.m_command = expected_command;
m_req_head.m_return_code = LEVIN_OK;
m_req_head.m_flags = LEVIN_PACKET_REQUEST;
m_req_head.m_protocol_version = LEVIN_PROTOCOL_VER_1;
m_commands_handler.return_code(expected_return_code);
m_commands_handler.invoke_out_buf(m_expected_invoke_out_buf);
}
protected:
void prepare_buf()
{
m_buf.assign(reinterpret_cast<const char*>(&m_req_head), sizeof(m_req_head));
m_buf += m_in_data;
}
protected:
test_connection_ptr m_conn;
epee::levin::bucket_head2 m_req_head;
std::string m_in_data;
std::string m_buf;
std::string m_expected_invoke_out_buf;
};
#endif
}
BEGIN_INIT_SIMPLE_FUZZER()
END_INIT_SIMPLE_FUZZER()
BEGIN_SIMPLE_FUZZER()
#if 0
epee::levin::bucket_head2 req_head;
req_head.m_signature = LEVIN_SIGNATURE;
req_head.m_cb = 0;
req_head.m_have_to_return_data = true;
req_head.m_command = 2000;
req_head.m_flags = LEVIN_PACKET_REQUEST;
req_head.m_protocol_version = LEVIN_PROTOCOL_VER_1;
req_head.m_return_code = 0;
FILE *f=fopen("/tmp/out.levin", "w");
fwrite(&req_head,sizeof(req_head),1, f);
fclose(f);
#endif
//std::unique_ptr<test_connection> conn = new test();
boost::asio::io_service io_service;
test_levin_protocol_handler_config m_handler_config;
test_levin_commands_handler *m_pcommands_handler = new test_levin_commands_handler();
m_handler_config.set_handler(m_pcommands_handler, [](epee::levin::levin_commands_handler<test_levin_connection_context> *handler) { delete handler; });
std::unique_ptr<test_connection> conn(new test_connection(io_service, m_handler_config));
conn->start();
//m_commands_handler.invoke_out_buf(expected_out_data);
//m_commands_handler.return_code(expected_return_code);
conn->m_protocol_handler.handle_recv(buf, len);
END_SIMPLE_FUZZER()