frameshift-eval/config.py at main · squaresLab/frameshift-eval · GitHub

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from pathlib import Path
import yaml

class Config:
    def __init__(self, path):
        self.config = yaml.safe_load(open(path))

    def build_dir(self, fuzzer, benchmark) -> Path:
        base = Path(self.config['project_dir'])
        return base / 'build' / fuzzer / benchmark

    def corpus_dir(self, benchmark, corpus) -> Path:
        base = Path(self.config['project_dir'])
        return base / 'corpora' / benchmark / corpus

    def new_workdir(self, fuzzer, benchmark) -> 'Workdir':
        base = Path(self.config['project_dir'])
        fname = f'{fuzzer}_{benchmark}'

        # name will be fuzzer_benchmark_N where N is a number
        # find the smallest N such that the directory doesn't exist
        i = 0
        while True:
            candidate = base / 'workdir' / f'{fname}_{i}'
            if not candidate.exists():
                w = Workdir(candidate)
                w.init(fuzzer, benchmark)
                return w
            i += 1

    def new_expdir(self, experiment) -> 'Expdir':
        base = Path(self.config['project_dir'])
        fname = f'{experiment}'

        # name will be experiment_N where N is a number
        # find the smallest N such that the directory doesn't exist
        i = 0
        while True:
            candidate = base / 'expdir' / f'{fname}_{i}'
            if not candidate.exists():
                e = Expdir(candidate)
                e.init(experiment)
                return e
            i += 1


class Workdir:
    def __init__(self, path, ensure_exists=False):
        self.path = path
        self._fuzzer = None
        self._benchmark = None

        if (path / 'info.yaml').exists():
            with open(path / 'info.yaml') as f:
                info = yaml.safe_load(f)
                self._fuzzer = info['fuzzer']
                self._benchmark = info['benchmark']
        elif ensure_exists:
            raise ValueError(f'Workdir {path} does not exist')

    def init(self, fuzzer, benchmark, corpus='empty'):
        self.path.mkdir(parents=True, exist_ok=True)
        (self.path / 'input').mkdir()
        (self.path / 'output').mkdir()
        (self.path / 'coverage').mkdir()

        self._fuzzer = fuzzer
        self._benchmark = benchmark

        with open(self.path / 'info.yaml', 'w') as f:
            yaml.dump({
                'fuzzer': fuzzer,
                'benchmark': benchmark,
                'corpus': corpus
            }, f)

    def input(self) -> Path:
        d = self.path / 'input'
        if not d.exists():
            d.mkdir()
        return d

    def output(self) -> Path:
        d = self.path / 'output'
        if not d.exists():
            d.mkdir()
        return d

    def coverage(self) -> Path:
        d = self.path / 'coverage'
        if not d.exists():
            d.mkdir()
        return d

    def log(self) -> Path:
        return self.path / 'log.txt'

    def fuzzer(self) -> str:
        return self._fuzzer

    def benchmark(self) -> str:
        return self._benchmark


class Expdir:
    def __init__(self, path, ensure_exists=False):
        self.path = path
        self._experiment = None

        if (path / 'info.yaml').exists():
            with open(path / 'info.yaml') as f:
                info = yaml.safe_load(f)
                self._experiment = info['experiment']
        elif ensure_exists:
            raise ValueError(f'Expdir {path} does not exist')

    def init(self, experiment):
        self.path.mkdir(parents=True, exist_ok=True)
        (self.path / 'runs').mkdir()

        self._experiment = experiment

        with open(self.path / 'info.yaml', 'w') as f:
            yaml.dump({'experiment': experiment}, f)

    def runs(self) -> Path:
        d = self.path / 'runs'
        if not d.exists():
            d.mkdir()
        return d

    def run_dir(self, name, fuzzer, benchmark, corpus, n) -> 'Workdir':
        path = self.runs() / f'{name}_{benchmark}_{corpus}_{n}'
        w = Workdir(path)
        w.init(fuzzer, benchmark, corpus)
        return w

    def experiment(self) -> str:
        return self._experiment