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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 <chainparams.h>
#include <chainparamsbase.h>
#include <net.h>
#include <netaddress.h>
#include <protocol.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/translation.h>
#include <cstdint>
#include <vector>
void initialize()
{
InitializeFuzzingContext();
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
CConnman connman{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeBool()};
CAddress random_address;
CNetAddr random_netaddr;
CNode random_node = ConsumeNode(fuzzed_data_provider);
CService random_service;
CSubNet random_subnet;
std::string random_string;
while (fuzzed_data_provider.ConsumeBool()) {
switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 30)) {
case 0:
random_address = ConsumeAddress(fuzzed_data_provider);
break;
case 1:
random_netaddr = ConsumeNetAddr(fuzzed_data_provider);
break;
case 2:
random_service = ConsumeService(fuzzed_data_provider);
break;
case 3:
random_subnet = ConsumeSubNet(fuzzed_data_provider);
break;
case 4:
random_string = fuzzed_data_provider.ConsumeRandomLengthString(64);
break;
case 5: {
std::vector<CAddress> addresses;
while (fuzzed_data_provider.ConsumeBool()) {
addresses.push_back(ConsumeAddress(fuzzed_data_provider));
}
// Limit nTimePenalty to int32_t to avoid signed integer overflow
(void)connman.AddNewAddresses(addresses, ConsumeAddress(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<int32_t>());
break;
}
case 6:
connman.AddNode(random_string);
break;
case 7:
connman.CheckIncomingNonce(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
break;
case 8:
connman.DisconnectNode(fuzzed_data_provider.ConsumeIntegral<NodeId>());
break;
case 9:
connman.DisconnectNode(random_netaddr);
break;
case 10:
connman.DisconnectNode(random_string);
break;
case 11:
connman.DisconnectNode(random_subnet);
break;
case 12:
connman.ForEachNode([](auto) {});
break;
case 13:
connman.ForEachNodeThen([](auto) {}, []() {});
break;
case 14:
(void)connman.ForNode(fuzzed_data_provider.ConsumeIntegral<NodeId>(), [&](auto) { return fuzzed_data_provider.ConsumeBool(); });
break;
case 15:
(void)connman.GetAddresses(fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>());
break;
case 16: {
(void)connman.GetAddresses(random_node, fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>());
break;
}
case 17:
(void)connman.GetDeterministicRandomizer(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
break;
case 18:
(void)connman.GetNodeCount(fuzzed_data_provider.PickValueInArray({CConnman::CONNECTIONS_NONE, CConnman::CONNECTIONS_IN, CConnman::CONNECTIONS_OUT, CConnman::CONNECTIONS_ALL}));
break;
case 19:
connman.MarkAddressGood(random_address);
break;
case 20:
(void)connman.OutboundTargetReached(fuzzed_data_provider.ConsumeBool());
break;
case 21:
// Limit now to int32_t to avoid signed integer overflow
(void)connman.PoissonNextSendInbound(fuzzed_data_provider.ConsumeIntegral<int32_t>(), fuzzed_data_provider.ConsumeIntegral<int>());
break;
case 22: {
CSerializedNetMsg serialized_net_msg;
serialized_net_msg.m_type = fuzzed_data_provider.ConsumeRandomLengthString(CMessageHeader::COMMAND_SIZE);
serialized_net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
connman.PushMessage(&random_node, std::move(serialized_net_msg));
break;
}
case 23:
connman.RemoveAddedNode(random_string);
break;
case 24: {
const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
if (SanityCheckASMap(asmap)) {
connman.SetAsmap(asmap);
}
break;
}
case 25:
connman.SetBestHeight(fuzzed_data_provider.ConsumeIntegral<int>());
break;
case 26:
connman.SetMaxOutboundTarget(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
break;
case 27:
connman.SetMaxOutboundTimeframe(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
break;
case 28:
connman.SetNetworkActive(fuzzed_data_provider.ConsumeBool());
break;
case 29:
connman.SetServices(random_service, static_cast<ServiceFlags>(fuzzed_data_provider.ConsumeIntegral<uint64_t>()));
break;
case 30:
connman.SetTryNewOutboundPeer(fuzzed_data_provider.ConsumeBool());
break;
}
}
(void)connman.GetAddedNodeInfo();
(void)connman.GetBestHeight();
(void)connman.GetExtraOutboundCount();
(void)connman.GetLocalServices();
(void)connman.GetMaxOutboundTarget();
(void)connman.GetMaxOutboundTimeframe();
(void)connman.GetMaxOutboundTimeLeftInCycle();
(void)connman.GetNetworkActive();
std::vector<CNodeStats> stats;
connman.GetNodeStats(stats);
(void)connman.GetOutboundTargetBytesLeft();
(void)connman.GetReceiveFloodSize();
(void)connman.GetTotalBytesRecv();
(void)connman.GetTotalBytesSent();
(void)connman.GetTryNewOutboundPeer();
(void)connman.GetUseAddrmanOutgoing();
}
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