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| 1 | +// Copyright (c) 2020 The Bitcoin Core 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 <addrdb.h> |
| 6 | +#include <addrman.h> |
| 7 | +#include <chainparams.h> |
| 8 | +#include <merkleblock.h> |
| 9 | +#include <test/fuzz/FuzzedDataProvider.h> |
| 10 | +#include <test/fuzz/fuzz.h> |
| 11 | +#include <test/fuzz/util.h> |
| 12 | +#include <time.h> |
| 13 | +#include <util/asmap.h> |
| 14 | + |
| 15 | +#include <cstdint> |
| 16 | +#include <optional> |
| 17 | +#include <string> |
| 18 | +#include <vector> |
| 19 | + |
| 20 | +void initialize() |
| 21 | +{ |
| 22 | + SelectParams(CBaseChainParams::REGTEST); |
| 23 | +} |
| 24 | + |
| 25 | +void test_one_input(const std::vector<uint8_t>& buffer) |
| 26 | +{ |
| 27 | + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); |
| 28 | + |
| 29 | + SetMockTime(ConsumeTime(fuzzed_data_provider)); |
| 30 | + CAddrMan addr_man; |
| 31 | + if (fuzzed_data_provider.ConsumeBool()) { |
| 32 | + addr_man.m_asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); |
| 33 | + if (!SanityCheckASMap(addr_man.m_asmap)) { |
| 34 | + addr_man.m_asmap.clear(); |
| 35 | + } |
| 36 | + } |
| 37 | + while (fuzzed_data_provider.ConsumeBool()) { |
| 38 | + switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 11)) { |
| 39 | + case 0: { |
| 40 | + addr_man.Clear(); |
| 41 | + break; |
| 42 | + } |
| 43 | + case 1: { |
| 44 | + addr_man.ResolveCollisions(); |
| 45 | + break; |
| 46 | + } |
| 47 | + case 2: { |
| 48 | + (void)addr_man.SelectTriedCollision(); |
| 49 | + break; |
| 50 | + } |
| 51 | + case 3: { |
| 52 | + (void)addr_man.Select(fuzzed_data_provider.ConsumeBool()); |
| 53 | + break; |
| 54 | + } |
| 55 | + case 4: { |
| 56 | + (void)addr_man.GetAddr(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); |
| 57 | + break; |
| 58 | + } |
| 59 | + case 5: { |
| 60 | + const std::optional<CAddress> opt_address = ConsumeDeserializable<CAddress>(fuzzed_data_provider); |
| 61 | + const std::optional<CNetAddr> opt_net_addr = ConsumeDeserializable<CNetAddr>(fuzzed_data_provider); |
| 62 | + if (opt_address && opt_net_addr) { |
| 63 | + addr_man.Add(*opt_address, *opt_net_addr, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 100000000)); |
| 64 | + } |
| 65 | + break; |
| 66 | + } |
| 67 | + case 6: { |
| 68 | + std::vector<CAddress> addresses; |
| 69 | + while (fuzzed_data_provider.ConsumeBool()) { |
| 70 | + const std::optional<CAddress> opt_address = ConsumeDeserializable<CAddress>(fuzzed_data_provider); |
| 71 | + if (!opt_address) { |
| 72 | + break; |
| 73 | + } |
| 74 | + addresses.push_back(*opt_address); |
| 75 | + } |
| 76 | + const std::optional<CNetAddr> opt_net_addr = ConsumeDeserializable<CNetAddr>(fuzzed_data_provider); |
| 77 | + if (opt_net_addr) { |
| 78 | + addr_man.Add(addresses, *opt_net_addr, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 100000000)); |
| 79 | + } |
| 80 | + break; |
| 81 | + } |
| 82 | + case 7: { |
| 83 | + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); |
| 84 | + if (opt_service) { |
| 85 | + addr_man.Good(*opt_service, fuzzed_data_provider.ConsumeBool(), ConsumeTime(fuzzed_data_provider)); |
| 86 | + } |
| 87 | + break; |
| 88 | + } |
| 89 | + case 8: { |
| 90 | + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); |
| 91 | + if (opt_service) { |
| 92 | + addr_man.Attempt(*opt_service, fuzzed_data_provider.ConsumeBool(), ConsumeTime(fuzzed_data_provider)); |
| 93 | + } |
| 94 | + break; |
| 95 | + } |
| 96 | + case 9: { |
| 97 | + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); |
| 98 | + if (opt_service) { |
| 99 | + addr_man.Connected(*opt_service, ConsumeTime(fuzzed_data_provider)); |
| 100 | + } |
| 101 | + break; |
| 102 | + } |
| 103 | + case 10: { |
| 104 | + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); |
| 105 | + if (opt_service) { |
| 106 | + addr_man.SetServices(*opt_service, ServiceFlags{fuzzed_data_provider.ConsumeIntegral<uint64_t>()}); |
| 107 | + } |
| 108 | + break; |
| 109 | + } |
| 110 | + case 11: { |
| 111 | + (void)addr_man.Check(); |
| 112 | + break; |
| 113 | + } |
| 114 | + } |
| 115 | + } |
| 116 | + (void)addr_man.size(); |
| 117 | + CDataStream data_stream(SER_NETWORK, PROTOCOL_VERSION); |
| 118 | + data_stream << addr_man; |
| 119 | +} |
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