diff options
Diffstat (limited to 'src/test/fuzz/process_message.cpp')
-rw-r--r-- | src/test/fuzz/process_message.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/test/fuzz/process_message.cpp b/src/test/fuzz/process_message.cpp new file mode 100644 index 0000000000..665a6224b4 --- /dev/null +++ b/src/test/fuzz/process_message.cpp @@ -0,0 +1,81 @@ +// Copyright (c) 2020 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include <banman.h> +#include <chainparams.h> +#include <consensus/consensus.h> +#include <net.h> +#include <net_processing.h> +#include <protocol.h> +#include <scheduler.h> +#include <script/script.h> +#include <streams.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/util/mining.h> +#include <test/util/setup_common.h> +#include <util/memory.h> +#include <validationinterface.h> +#include <version.h> + +#include <atomic> +#include <cassert> +#include <chrono> +#include <cstdint> +#include <iosfwd> +#include <iostream> +#include <memory> +#include <string> +#include <vector> + +bool ProcessMessage(CNode* pfrom, const std::string& msg_type, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, ChainstateManager& chainman, CTxMemPool& mempool, CConnman* connman, BanMan* banman, const std::atomic<bool>& interruptMsgProc); + +namespace { + +#ifdef MESSAGE_TYPE +#define TO_STRING_(s) #s +#define TO_STRING(s) TO_STRING_(s) +const std::string LIMIT_TO_MESSAGE_TYPE{TO_STRING(MESSAGE_TYPE)}; +#else +const std::string LIMIT_TO_MESSAGE_TYPE; +#endif + +const TestingSetup* g_setup; +} // namespace + +void initialize() +{ + static TestingSetup setup{ + CBaseChainParams::REGTEST, + { + "-nodebuglogfile", + }, + }; + g_setup = &setup; + + for (int i = 0; i < 2 * COINBASE_MATURITY; i++) { + MineBlock(g_setup->m_node, CScript() << OP_TRUE); + } + SyncWithValidationInterfaceQueue(); +} + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); + const std::string random_message_type{fuzzed_data_provider.ConsumeBytesAsString(CMessageHeader::COMMAND_SIZE).c_str()}; + if (!LIMIT_TO_MESSAGE_TYPE.empty() && random_message_type != LIMIT_TO_MESSAGE_TYPE) { + return; + } + CDataStream random_bytes_data_stream{fuzzed_data_provider.ConsumeRemainingBytes<unsigned char>(), SER_NETWORK, PROTOCOL_VERSION}; + CNode p2p_node{0, ServiceFlags(NODE_NETWORK | NODE_WITNESS | NODE_BLOOM), 0, INVALID_SOCKET, CAddress{CService{in_addr{0x0100007f}, 7777}, NODE_NETWORK}, 0, 0, CAddress{}, std::string{}, false}; + p2p_node.fSuccessfullyConnected = true; + p2p_node.nVersion = PROTOCOL_VERSION; + p2p_node.SetSendVersion(PROTOCOL_VERSION); + g_setup->m_node.peer_logic->InitializeNode(&p2p_node); + try { + (void)ProcessMessage(&p2p_node, random_message_type, random_bytes_data_stream, GetTimeMillis(), Params(), *g_setup->m_node.chainman, *g_setup->m_node.mempool, g_setup->m_node.connman.get(), g_setup->m_node.banman.get(), std::atomic<bool>{false}); + } catch (const std::ios_base::failure&) { + } + SyncWithValidationInterfaceQueue(); +} |