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// Copyright (c) 2020-2021 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 <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/system.h>
#include <cstdint>
#include <string>
#include <vector>
namespace {
std::string GetArgumentName(const std::string& name)
{
size_t idx = name.find('=');
if (idx == std::string::npos) {
idx = name.size();
}
return name.substr(0, idx);
}
} // namespace
FUZZ_TARGET(system)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
ArgsManager args_manager{};
if (fuzzed_data_provider.ConsumeBool()) {
SetupHelpOptions(args_manager);
}
while (fuzzed_data_provider.ConsumeBool()) {
CallOneOf(
fuzzed_data_provider,
[&] {
args_manager.SelectConfigNetwork(fuzzed_data_provider.ConsumeRandomLengthString(16));
},
[&] {
args_manager.SoftSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16));
},
[&] {
args_manager.ForceSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16));
},
[&] {
args_manager.SoftSetBoolArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeBool());
},
[&] {
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});
// Avoid hitting:
// util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed.
const std::string argument_name = GetArgumentName(fuzzed_data_provider.ConsumeRandomLengthString(16));
if (args_manager.GetArgFlags(argument_name) != std::nullopt) {
return;
}
args_manager.AddArg(argument_name, fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeIntegral<unsigned int>() & ~ArgsManager::COMMAND, options_category);
},
[&] {
// Avoid hitting:
// util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed.
const std::vector<std::string> names = ConsumeRandomLengthStringVector(fuzzed_data_provider);
std::vector<std::string> hidden_arguments;
for (const std::string& name : names) {
const std::string hidden_argument = GetArgumentName(name);
if (args_manager.GetArgFlags(hidden_argument) != std::nullopt) {
continue;
}
if (std::find(hidden_arguments.begin(), hidden_arguments.end(), hidden_argument) != hidden_arguments.end()) {
continue;
}
hidden_arguments.push_back(hidden_argument);
}
args_manager.AddHiddenArgs(hidden_arguments);
},
[&] {
args_manager.ClearArgs();
},
[&] {
const std::vector<std::string> random_arguments = ConsumeRandomLengthStringVector(fuzzed_data_provider);
std::vector<const char*> argv;
argv.reserve(random_arguments.size());
for (const std::string& random_argument : random_arguments) {
argv.push_back(random_argument.c_str());
}
try {
std::string error;
(void)args_manager.ParseParameters(argv.size(), argv.data(), error);
} catch (const std::logic_error&) {
}
});
}
const std::string s1 = fuzzed_data_provider.ConsumeRandomLengthString(16);
const std::string s2 = fuzzed_data_provider.ConsumeRandomLengthString(16);
const int64_t i64 = fuzzed_data_provider.ConsumeIntegral<int64_t>();
const bool b = fuzzed_data_provider.ConsumeBool();
(void)args_manager.GetArg(s1, i64);
(void)args_manager.GetArg(s1, s2);
(void)args_manager.GetArgFlags(s1);
(void)args_manager.GetArgs(s1);
(void)args_manager.GetBoolArg(s1, b);
try {
(void)args_manager.GetChainName();
} catch (const std::runtime_error&) {
}
(void)args_manager.GetHelpMessage();
(void)args_manager.GetUnrecognizedSections();
(void)args_manager.GetUnsuitableSectionOnlyArgs();
(void)args_manager.IsArgNegated(s1);
(void)args_manager.IsArgSet(s1);
(void)HelpRequested(args_manager);
}
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