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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 <test/fuzz/FuzzedDataProvider.h> |
| 6 | +#include <test/fuzz/fuzz.h> |
| 7 | +#include <test/fuzz/util.h> |
| 8 | +#include <util/system.h> |
| 9 | + |
| 10 | +#include <cstdint> |
| 11 | +#include <string> |
| 12 | +#include <vector> |
| 13 | + |
| 14 | +namespace { |
| 15 | +std::string GetArgumentName(const std::string& name) |
| 16 | +{ |
| 17 | + size_t idx = name.find('='); |
| 18 | + if (idx == std::string::npos) { |
| 19 | + idx = name.size(); |
| 20 | + } |
| 21 | + return name.substr(0, idx); |
| 22 | +} |
| 23 | +} // namespace |
| 24 | + |
| 25 | +void test_one_input(const std::vector<uint8_t>& buffer) |
| 26 | +{ |
| 27 | + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); |
| 28 | + ArgsManager args_manager{}; |
| 29 | + |
| 30 | + if (fuzzed_data_provider.ConsumeBool()) { |
| 31 | + SetupHelpOptions(args_manager); |
| 32 | + } |
| 33 | + |
| 34 | + while (fuzzed_data_provider.ConsumeBool()) { |
| 35 | + switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 7)) { |
| 36 | + case 0: { |
| 37 | + args_manager.SelectConfigNetwork(fuzzed_data_provider.ConsumeRandomLengthString(16)); |
| 38 | + break; |
| 39 | + } |
| 40 | + case 1: { |
| 41 | + args_manager.SoftSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16)); |
| 42 | + break; |
| 43 | + } |
| 44 | + case 2: { |
| 45 | + args_manager.ForceSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16)); |
| 46 | + break; |
| 47 | + } |
| 48 | + case 3: { |
| 49 | + args_manager.SoftSetBoolArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeBool()); |
| 50 | + break; |
| 51 | + } |
| 52 | + case 4: { |
| 53 | + const OptionsCategory options_category = fuzzed_data_provider.PickValueInArray<OptionsCategory>({OptionsCategory::OPTIONS, OptionsCategory::CONNECTION, OptionsCategory::WALLET, OptionsCategory::WALLET_DEBUG_TEST, OptionsCategory::ZMQ, OptionsCategory::DEBUG_TEST, OptionsCategory::CHAINPARAMS, OptionsCategory::NODE_RELAY, OptionsCategory::BLOCK_CREATION, OptionsCategory::RPC, OptionsCategory::GUI, OptionsCategory::COMMANDS, OptionsCategory::REGISTER_COMMANDS, OptionsCategory::HIDDEN}); |
| 54 | + // Avoid hitting: |
| 55 | + // util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed. |
| 56 | + const std::string argument_name = GetArgumentName(fuzzed_data_provider.ConsumeRandomLengthString(16)); |
| 57 | + if (args_manager.GetArgFlags(argument_name) != nullopt) { |
| 58 | + break; |
| 59 | + } |
| 60 | + args_manager.AddArg(argument_name, fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeIntegral<unsigned int>(), options_category); |
| 61 | + break; |
| 62 | + } |
| 63 | + case 5: { |
| 64 | + // Avoid hitting: |
| 65 | + // util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed. |
| 66 | + const std::vector<std::string> names = ConsumeRandomLengthStringVector(fuzzed_data_provider); |
| 67 | + std::vector<std::string> hidden_arguments; |
| 68 | + for (const std::string& name : names) { |
| 69 | + const std::string hidden_argument = GetArgumentName(name); |
| 70 | + if (args_manager.GetArgFlags(hidden_argument) != nullopt) { |
| 71 | + continue; |
| 72 | + } |
| 73 | + if (std::find(hidden_arguments.begin(), hidden_arguments.end(), hidden_argument) != hidden_arguments.end()) { |
| 74 | + continue; |
| 75 | + } |
| 76 | + hidden_arguments.push_back(hidden_argument); |
| 77 | + } |
| 78 | + args_manager.AddHiddenArgs(hidden_arguments); |
| 79 | + break; |
| 80 | + } |
| 81 | + case 6: { |
| 82 | + args_manager.ClearArgs(); |
| 83 | + break; |
| 84 | + } |
| 85 | + case 7: { |
| 86 | + const std::vector<std::string> random_arguments = ConsumeRandomLengthStringVector(fuzzed_data_provider); |
| 87 | + std::vector<const char*> argv; |
| 88 | + argv.resize(random_arguments.size()); |
| 89 | + for (const std::string& random_argument : random_arguments) { |
| 90 | + argv.push_back(random_argument.c_str()); |
| 91 | + } |
| 92 | + try { |
| 93 | + std::string error; |
| 94 | + (void)args_manager.ParseParameters(argv.size(), argv.data(), error); |
| 95 | + } catch (const std::logic_error&) { |
| 96 | + } |
| 97 | + break; |
| 98 | + } |
| 99 | + } |
| 100 | + } |
| 101 | + |
| 102 | + const std::string s1 = fuzzed_data_provider.ConsumeRandomLengthString(16); |
| 103 | + const std::string s2 = fuzzed_data_provider.ConsumeRandomLengthString(16); |
| 104 | + const int64_t i64 = fuzzed_data_provider.ConsumeIntegral<int64_t>(); |
| 105 | + const bool b = fuzzed_data_provider.ConsumeBool(); |
| 106 | + |
| 107 | + (void)args_manager.GetArg(s1, i64); |
| 108 | + (void)args_manager.GetArg(s1, s2); |
| 109 | + (void)args_manager.GetArgFlags(s1); |
| 110 | + (void)args_manager.GetArgs(s1); |
| 111 | + (void)args_manager.GetBoolArg(s1, b); |
| 112 | + try { |
| 113 | + (void)args_manager.GetChainName(); |
| 114 | + } catch (const std::runtime_error&) { |
| 115 | + } |
| 116 | + (void)args_manager.GetHelpMessage(); |
| 117 | + (void)args_manager.GetUnrecognizedSections(); |
| 118 | + (void)args_manager.GetUnsuitableSectionOnlyArgs(); |
| 119 | + (void)args_manager.IsArgNegated(s1); |
| 120 | + (void)args_manager.IsArgSet(s1); |
| 121 | + |
| 122 | + (void)HelpRequested(args_manager); |
| 123 | +} |
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