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#include <stddef.h>
#include <stdint.h>
#include <filesystem>
#include <fstream>
#include <memory>
#include <string>
#include <system_error>
#include <unistd.h>
#include "rar.hpp"
namespace fs = std::__fs::filesystem;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
// unrar likes to create files in the current directory.
// So, the following few lines created and 'cd' to a directory named 'o'
// in the current working directory.
std::error_code code, ok;
fs::path original_path = fs::current_path(code);
if (code != ok) return 0;
fs::path out_path = original_path / "o";
bool created = fs::create_directory(out_path, code);
if (code != ok) return 0;
fs::current_path(out_path, code);
if (code != ok) return 0;
static const std::string filename = "temp.rar";
std::ofstream file(filename,
std::ios::binary | std::ios::out | std::ios::trunc);
if (!file.is_open()) {
return 0;
}
file.write(reinterpret_cast<const char *>(data), size);
file.close();
std::unique_ptr<CommandData> cmd_data(new CommandData);
cmd_data->ParseArg(const_cast<wchar_t *>(L"-p"));
cmd_data->ParseArg(const_cast<wchar_t *>(L"x"));
cmd_data->ParseDone();
std::wstring wide_filename(filename.begin(), filename.end());
cmd_data->AddArcName(wide_filename.c_str());
try {
CmdExtract extractor(cmd_data.get());
extractor.DoExtract();
} catch (...) {
}
unlink(filename.c_str());
// 'cd' back to the original directory and delete 'o' along with
// all its contents.
fs::current_path(original_path, code);
if (code != ok) return 0;
fs::remove_all(out_path, code);
if (code != ok) return 0;
return 0;
}
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