def obfuscate(self, obfuscation_info: Obfuscation):
self.logger.info('Running "{0}" obfuscator'.format(
self.__class__.__name__))
try:
# There is a method limit for dex files.
max_methods_to_add = obfuscation_info.get_remaining_methods_per_obfuscator(
)
if obfuscation_info.is_multidex():
for index, dex_smali_files in enumerate(
util.show_list_progress(
obfuscation_info.get_multidex_smali_files(),
interactive=obfuscation_info.interactive,
unit='dex',
description='Processing multidex')):
max_methods_to_add = obfuscation_info.get_remaining_methods_per_obfuscator(
)[index]
self.add_call_indirections(dex_smali_files,
max_methods_to_add,
obfuscation_info.interactive)
else:
self.add_call_indirections(obfuscation_info.get_smali_files(),
max_methods_to_add,
obfuscation_info.interactive)
except Exception as e:
self.logger.error(
'Error during execution of "{0}" obfuscator: {1}'.format(
self.__class__.__name__, e))
raise
finally:
obfuscation_info.used_obfuscators.append(self.__class__.__name__)
def obfuscate(self, obfuscation_info: Obfuscation):
self.logger.info('Running "{0}" obfuscator'.format(
self.__class__.__name__))
# Get user defined ignore package list.
self.ignore_package_names = obfuscation_info.get_ignore_package_names()
try:
sdk_class_declarations = self.get_sdk_class_names(
obfuscation_info.get_smali_files())
renamed_field_declarations: Set[str] = set()
# There is a field limit for dex files.
self.max_fields_to_add = (
obfuscation_info.get_remaining_fields_per_obfuscator())
self.added_fields = 0
if obfuscation_info.is_multidex():
for index, dex_smali_files in enumerate(
util.show_list_progress(
obfuscation_info.get_multidex_smali_files(),
interactive=obfuscation_info.interactive,
unit="dex",
description="Processing multidex",
)):
self.max_fields_to_add = (
obfuscation_info.get_remaining_fields_per_obfuscator()
[index])
self.added_fields = 0
renamed_field_declarations.update(
self.rename_field_declarations(
dex_smali_files, obfuscation_info.interactive))
else:
renamed_field_declarations = self.rename_field_declarations(
obfuscation_info.get_smali_files(),
obfuscation_info.interactive)
# When renaming field references it makes no difference if this is a
# multidex application, since at this point we are not introducing any new
# field.
self.rename_field_references(
renamed_field_declarations,
obfuscation_info.get_smali_files(),
sdk_class_declarations,
obfuscation_info.interactive,
)
except Exception as e:
self.logger.error(
'Error during execution of "{0}" obfuscator: {1}'.format(
self.__class__.__name__, e))
raise
finally:
obfuscation_info.used_obfuscators.append(self.__class__.__name__)
def obfuscate(self, obfuscation_info: Obfuscation):
self.logger.info('Running "{0}" obfuscator'.format(
self.__class__.__name__))
try:
android_class_names: Set[str] = set(util.get_android_class_names())
parent_class_names: Set[str] = self.get_parent_class_names(
obfuscation_info.get_smali_files())
# Methods in parent classes belonging to the Android framework should
# be ignored.
classes_to_ignore: Set[str] = parent_class_names.intersection(
android_class_names)
methods_to_ignore: Set[str] = self.get_methods_to_ignore(
obfuscation_info.get_smali_files(), classes_to_ignore)
# There is a method limit for dex files.
max_methods_to_add = obfuscation_info.get_remaining_methods_per_obfuscator(
)
if obfuscation_info.is_multidex():
for index, dex_smali_files in enumerate(
util.show_list_progress(
obfuscation_info.get_multidex_smali_files(),
interactive=obfuscation_info.interactive,
unit="dex",
description="Processing multidex",
)):
max_methods_to_add = obfuscation_info.get_remaining_methods_per_obfuscator(
)[index]
self.add_method_overloads(
dex_smali_files,
methods_to_ignore,
max_methods_to_add,
obfuscation_info.interactive,
)
else:
self.add_method_overloads(
obfuscation_info.get_smali_files(),
methods_to_ignore,
max_methods_to_add,
obfuscation_info.interactive,
)
except Exception as e:
self.logger.error(
'Error during execution of "{0}" obfuscator: {1}'.format(
self.__class__.__name__, e))
raise
finally:
obfuscation_info.used_obfuscators.append(self.__class__.__name__)
def obfuscate(self, obfuscation_info: Obfuscation):
self.logger.info('Running "{0}" obfuscator'.format(
self.__class__.__name__))
try:
# NOTE: only direct methods (methods that are by nature non-overridable,
# namely private instance methods, constructors and static methods) will be
# overloaded.
android_class_names: Set[str] = set(util.get_android_class_names())
# There is a method limit for dex files.
max_methods_to_add = obfuscation_info.get_remaining_methods_per_obfuscator(
)
if obfuscation_info.is_multidex():
for index, dex_smali_files in enumerate(
util.show_list_progress(
obfuscation_info.get_multidex_smali_files(),
interactive=obfuscation_info.interactive,
unit="dex",
description="Processing multidex",
)):
max_methods_to_add = (
obfuscation_info.get_remaining_methods_per_obfuscator(
)[index])
self.add_method_overloads(
dex_smali_files,
android_class_names,
max_methods_to_add,
obfuscation_info.interactive,
)
else:
self.add_method_overloads(
obfuscation_info.get_smali_files(),
android_class_names,
max_methods_to_add,
obfuscation_info.interactive,
)
except Exception as e:
self.logger.error(
'Error during execution of "{0}" obfuscator: {1}'.format(
self.__class__.__name__, e))
raise
finally:
obfuscation_info.used_obfuscators.append(self.__class__.__name__)
def test_get_multidex_smali_files(self,
tmp_demo_apk_v10_original_path: str):
obfuscation = Obfuscation(tmp_demo_apk_v10_original_path)
smali_files = obfuscation.get_multidex_smali_files()
# This test application is not multidex.
assert len(smali_files) == 0