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// 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/net.h>
#include <test/util/setup_common.h>
#include <test/util/validation.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>
namespace {
const TestingSetup* g_setup;
} // namespace
void initialize_process_message()
{
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 fuzz_target(const std::vector<uint8_t>& buffer, const std::string& LIMIT_TO_MESSAGE_TYPE)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
ConnmanTestMsg& connman = *(ConnmanTestMsg*)g_setup->m_node.connman.get();
TestChainState& chainstate = *(TestChainState*)&g_setup->m_node.chainman->ActiveChainstate();
chainstate.ResetIbd();
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;
}
const bool jump_out_of_ibd{fuzzed_data_provider.ConsumeBool()};
if (jump_out_of_ibd) chainstate.JumpOutOfIbd();
CDataStream random_bytes_data_stream{fuzzed_data_provider.ConsumeRemainingBytes<unsigned char>(), SER_NETWORK, PROTOCOL_VERSION};
CNode& p2p_node = *MakeUnique<CNode>(0, ServiceFlags(NODE_NETWORK | NODE_WITNESS | NODE_BLOOM), INVALID_SOCKET, CAddress{CService{in_addr{0x0100007f}, 7777}, NODE_NETWORK}, 0, 0, CAddress{}, std::string{}, ConnectionType::OUTBOUND_FULL_RELAY).release();
p2p_node.fSuccessfullyConnected = true;
p2p_node.nVersion = PROTOCOL_VERSION;
p2p_node.SetCommonVersion(PROTOCOL_VERSION);
connman.AddTestNode(p2p_node);
g_setup->m_node.peerman->InitializeNode(&p2p_node);
try {
g_setup->m_node.peerman->ProcessMessage(p2p_node, random_message_type, random_bytes_data_stream,
GetTime<std::chrono::microseconds>(), std::atomic<bool>{false});
} catch (const std::ios_base::failure&) {
}
{
LOCK(p2p_node.cs_sendProcessing);
g_setup->m_node.peerman->SendMessages(&p2p_node);
}
SyncWithValidationInterfaceQueue();
LOCK2(::cs_main, g_cs_orphans); // See init.cpp for rationale for implicit locking order requirement
g_setup->m_node.connman->StopNodes();
}
FUZZ_TARGET_INIT(process_message, initialize_process_message) { fuzz_target(buffer, ""); }
FUZZ_TARGET_INIT(process_message_addr, initialize_process_message) { fuzz_target(buffer, "addr"); }
FUZZ_TARGET_INIT(process_message_block, initialize_process_message) { fuzz_target(buffer, "block"); }
FUZZ_TARGET_INIT(process_message_blocktxn, initialize_process_message) { fuzz_target(buffer, "blocktxn"); }
FUZZ_TARGET_INIT(process_message_cmpctblock, initialize_process_message) { fuzz_target(buffer, "cmpctblock"); }
FUZZ_TARGET_INIT(process_message_feefilter, initialize_process_message) { fuzz_target(buffer, "feefilter"); }
FUZZ_TARGET_INIT(process_message_filteradd, initialize_process_message) { fuzz_target(buffer, "filteradd"); }
FUZZ_TARGET_INIT(process_message_filterclear, initialize_process_message) { fuzz_target(buffer, "filterclear"); }
FUZZ_TARGET_INIT(process_message_filterload, initialize_process_message) { fuzz_target(buffer, "filterload"); }
FUZZ_TARGET_INIT(process_message_getaddr, initialize_process_message) { fuzz_target(buffer, "getaddr"); }
FUZZ_TARGET_INIT(process_message_getblocks, initialize_process_message) { fuzz_target(buffer, "getblocks"); }
FUZZ_TARGET_INIT(process_message_getblocktxn, initialize_process_message) { fuzz_target(buffer, "getblocktxn"); }
FUZZ_TARGET_INIT(process_message_getdata, initialize_process_message) { fuzz_target(buffer, "getdata"); }
FUZZ_TARGET_INIT(process_message_getheaders, initialize_process_message) { fuzz_target(buffer, "getheaders"); }
FUZZ_TARGET_INIT(process_message_headers, initialize_process_message) { fuzz_target(buffer, "headers"); }
FUZZ_TARGET_INIT(process_message_inv, initialize_process_message) { fuzz_target(buffer, "inv"); }
FUZZ_TARGET_INIT(process_message_mempool, initialize_process_message) { fuzz_target(buffer, "mempool"); }
FUZZ_TARGET_INIT(process_message_notfound, initialize_process_message) { fuzz_target(buffer, "notfound"); }
FUZZ_TARGET_INIT(process_message_ping, initialize_process_message) { fuzz_target(buffer, "ping"); }
FUZZ_TARGET_INIT(process_message_pong, initialize_process_message) { fuzz_target(buffer, "pong"); }
FUZZ_TARGET_INIT(process_message_sendcmpct, initialize_process_message) { fuzz_target(buffer, "sendcmpct"); }
FUZZ_TARGET_INIT(process_message_sendheaders, initialize_process_message) { fuzz_target(buffer, "sendheaders"); }
FUZZ_TARGET_INIT(process_message_tx, initialize_process_message) { fuzz_target(buffer, "tx"); }
FUZZ_TARGET_INIT(process_message_verack, initialize_process_message) { fuzz_target(buffer, "verack"); }
FUZZ_TARGET_INIT(process_message_version, initialize_process_message) { fuzz_target(buffer, "version"); }
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