ios-zlib-obf.py

"""
O-MVLL Configuration file to obfuscate zlib on iOS
"""
import omvll
from functools import lru_cache

class Config(omvll.ObfuscationConfig):
    def __init__(self):
        super().__init__()

    def obfuscate_struct_access(self, mod: omvll.Module, func: omvll.Function, S: omvll.Struct):
        return S.name in ["struct.internal_state", "struct.z_stream_s"]

    def flatten_cfg(self, mod: omvll.Module, func: omvll.Function):
        return True

    def obfuscate_string(self, mod, func, string: bytes):
        return True

@lru_cache(maxsize=1)
def omvll_get_config() -> Config:
    return Config()