mirror of
https://github.com/CLIUtils/CLI11.git
synced 2025-04-29 20:23:55 +00:00
0eb88ed958
Next phase of the fuzzer, adds some mechanics for the fuzzer itself to add modifiers on the options. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// Copyright (c) 2017-2025, University of Cincinnati, developed by Henry Schreiner
|
|
// under NSF AWARD 1414736 and by the respective contributors.
|
|
// All rights reserved.
|
|
//
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
#include "fuzzApp.hpp"
|
|
#include <CLI/CLI.hpp>
|
|
#include <cstring>
|
|
#include <exception>
|
|
#include <string>
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
|
|
if(Size == 0) {
|
|
return 0;
|
|
}
|
|
std::string parseString(reinterpret_cast<const char *>(Data), Size);
|
|
|
|
CLI::FuzzApp fuzzdata;
|
|
CLI::FuzzApp fuzzdata2;
|
|
auto app = fuzzdata.generateApp();
|
|
auto app2 = fuzzdata2.generateApp();
|
|
std::size_t pstring_start{0};
|
|
try {
|
|
pstring_start = fuzzdata.add_custom_options(app.get(), parseString);
|
|
} catch(const CLI::ConstructionError &e) {
|
|
return 0; // Non-zero return values are reserved for future use.
|
|
}
|
|
|
|
try {
|
|
if(pstring_start > 0) {
|
|
app->parse(parseString.substr(pstring_start));
|
|
} else {
|
|
app->parse(parseString);
|
|
}
|
|
} catch(const CLI::HorribleError &he) {
|
|
throw;
|
|
} catch(const CLI::ParseError &e) {
|
|
//(app)->exit(e);
|
|
// this just indicates we caught an error known by CLI
|
|
return 0; // Non-zero return values are reserved for future use.
|
|
}
|
|
// should be able to write the config to a file and read from it again
|
|
std::string configOut = app->config_to_str();
|
|
app->clear();
|
|
std::stringstream out(configOut);
|
|
if(pstring_start > 0) {
|
|
fuzzdata2.add_custom_options(app2.get(), parseString);
|
|
}
|
|
app2->parse_from_stream(out);
|
|
auto result = fuzzdata2.compare(fuzzdata);
|
|
if(!result) {
|
|
throw CLI::ValidationError("fuzzer", "file input results don't match parse results");
|
|
}
|
|
return 0;
|
|
}
|