process_message.cpp raw

   1  // Copyright (c) 2020-present The Limenka developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <consensus/consensus.h>
   6  #include <net.h>
   7  #include <net_processing.h>
   8  #include <primitives/transaction.h>
   9  #include <protocol.h>
  10  #include <script/script.h>
  11  #include <sync.h>
  12  #include <test/fuzz/FuzzedDataProvider.h>
  13  #include <test/fuzz/fuzz.h>
  14  #include <test/fuzz/util.h>
  15  #include <test/fuzz/util/net.h>
  16  #include <test/util/mining.h>
  17  #include <test/util/net.h>
  18  #include <test/util/setup_common.h>
  19  #include <test/util/validation.h>
  20  #include <util/check.h>
  21  #include <util/time.h>
  22  #include <validationinterface.h>
  23  
  24  #include <cstdlib>
  25  #include <iostream>
  26  #include <memory>
  27  #include <string>
  28  #include <string_view>
  29  #include <vector>
  30  
  31  namespace {
  32  const TestingSetup* g_setup;
  33  std::string_view LIMIT_TO_MESSAGE_TYPE{};
  34  } // namespace
  35  
  36  void initialize_process_message()
  37  {
  38      if (const auto val{std::getenv("LIMIT_TO_MESSAGE_TYPE")}) {
  39          LIMIT_TO_MESSAGE_TYPE = val;
  40          Assert(std::count(ALL_NET_MESSAGE_TYPES.begin(), ALL_NET_MESSAGE_TYPES.end(), LIMIT_TO_MESSAGE_TYPE)); // Unknown message type passed
  41      }
  42  
  43      static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>(
  44              /*chain_type=*/ChainType::REGTEST,
  45              {.extra_args = {"-txreconciliation"}});
  46      g_setup = testing_setup.get();
  47      for (int i = 0; i < 2 * COINBASE_MATURITY; i++) {
  48          MineBlock(g_setup->m_node, {});
  49      }
  50      g_setup->m_node.validation_signals->SyncWithValidationInterfaceQueue();
  51  }
  52  
  53  FUZZ_TARGET(process_message, .init = initialize_process_message)
  54  {
  55      SeedRandomStateForTest(SeedRand::ZEROS);
  56      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
  57  
  58      ConnmanTestMsg& connman = *static_cast<ConnmanTestMsg*>(g_setup->m_node.connman.get());
  59      auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
  60      SetMockTime(1610000000); // any time to successfully reset ibd
  61      chainman.ResetIbd();
  62  
  63      LOCK(NetEventsInterface::g_msgproc_mutex);
  64  
  65      const std::string random_message_type{fuzzed_data_provider.ConsumeBytesAsString(CMessageHeader::MESSAGE_TYPE_SIZE).c_str()};
  66      if (!LIMIT_TO_MESSAGE_TYPE.empty() && random_message_type != LIMIT_TO_MESSAGE_TYPE) {
  67          return;
  68      }
  69      CNode& p2p_node = *ConsumeNodeAsUniquePtr(fuzzed_data_provider).release();
  70  
  71      connman.AddTestNode(p2p_node);
  72      FillNode(fuzzed_data_provider, connman, p2p_node);
  73  
  74      const auto mock_time = ConsumeTime(fuzzed_data_provider);
  75      SetMockTime(mock_time);
  76  
  77      CSerializedNetMsg net_msg;
  78      net_msg.m_type = random_message_type;
  79      net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider, MAX_PROTOCOL_MESSAGE_LENGTH);
  80  
  81      connman.FlushSendBuffer(p2p_node);
  82      (void)connman.ReceiveMsgFrom(p2p_node, std::move(net_msg));
  83  
  84      bool more_work{true};
  85      while (more_work) {
  86          p2p_node.fPauseSend = false;
  87          try {
  88              more_work = connman.ProcessMessagesOnce(p2p_node);
  89          } catch (const std::ios_base::failure&) {
  90          }
  91          g_setup->m_node.peerman->SendMessages(&p2p_node);
  92      }
  93      g_setup->m_node.validation_signals->SyncWithValidationInterfaceQueue();
  94      g_setup->m_node.connman->StopNodes();
  95  }
  96