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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 <consensus/consensus.h>
#include <net.h>
#include <net_processing.h>
#include <protocol.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/util/mining.h>
#include <test/util/net.h>
#include <test/util/setup_common.h>
#include <util/memory.h>
#include <validation.h>
#include <validationinterface.h>
const RegTestingSetup* g_setup;
void initialize()
{
static RegTestingSetup setup{};
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());
ConnmanTestMsg& connman = *(ConnmanTestMsg*)g_setup->m_node.connman.get();
std::vector<CNode*> peers;
const auto num_peers_to_add = fuzzed_data_provider.ConsumeIntegralInRange(1, 3);
for (int i = 0; i < num_peers_to_add; ++i) {
const ServiceFlags service_flags = ServiceFlags(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
const bool inbound{fuzzed_data_provider.ConsumeBool()};
const bool block_relay_only{fuzzed_data_provider.ConsumeBool()};
peers.push_back(MakeUnique<CNode>(i, service_flags, 0, INVALID_SOCKET, CAddress{CService{in_addr{0x0100007f}, 7777}, NODE_NETWORK}, 0, 0, CAddress{}, std::string{}, inbound, block_relay_only).release());
CNode& p2p_node = *peers.back();
p2p_node.fSuccessfullyConnected = true;
p2p_node.fPauseSend = false;
p2p_node.nVersion = PROTOCOL_VERSION;
p2p_node.SetSendVersion(PROTOCOL_VERSION);
g_setup->m_node.peer_logic->InitializeNode(&p2p_node);
connman.AddTestNode(p2p_node);
}
while (fuzzed_data_provider.ConsumeBool()) {
const std::string random_message_type{fuzzed_data_provider.ConsumeBytesAsString(CMessageHeader::COMMAND_SIZE).c_str()};
CSerializedNetMsg net_msg;
net_msg.command = random_message_type;
net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
CNode& random_node = *peers.at(fuzzed_data_provider.ConsumeIntegralInRange<int>(0, peers.size() - 1));
(void)connman.ReceiveMsgFrom(random_node, net_msg);
random_node.fPauseSend = false;
try {
connman.ProcessMessagesOnce(random_node);
} catch (const std::ios_base::failure&) {
}
}
connman.ClearTestNodes();
SyncWithValidationInterfaceQueue();
}
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