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 when renaming.
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)
renamed_methods: Set[str] = self.rename_method_declarations(
obfuscation_info.get_smali_files(), methods_to_ignore,
obfuscation_info.interactive)
self.rename_method_invocations(obfuscation_info.get_smali_files(),
renamed_methods,
android_class_names,
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
# renamed.
android_class_names: Set[str] = set(util.get_android_class_names())
renamed_methods: Set[str] = self.rename_method_declarations(
obfuscation_info.get_smali_files(),
android_class_names,
obfuscation_info.interactive,
)
self.rename_method_invocations(
obfuscation_info.get_smali_files(),
renamed_methods,
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 __init__(self):
self.logger = logging.getLogger('{0}.{1}'.format(
__name__, self.__class__.__name__))
super().__init__()
self.android_class_names: Set[str] = set(
util.get_android_class_names())
self.methods_with_reflection: int = 0
# Will be populated before running the reflection obfuscator.
self.class_name_to_smali_file: dict = {}
# Keep track of the length of the added instructions for reflection obfuscator, since there is a limit
# for the number of maximum instructions in a try catch block. Not all the instructions have the same length.
self.obfuscator_instructions_length: int = 0
self.obfuscator_instructions_limit: int = 60000
self.primitive_types: Set[str] = {
'I', 'Z', 'B', 'S', 'J', 'F', 'D', 'C'
}
self.type_dict = {
'I': 'Ljava/lang/Integer;',
'Z': 'Ljava/lang/Boolean;',
'B': 'Ljava/lang/Byte;',
'S': 'Ljava/lang/Short;',
'J': 'Ljava/lang/Long;',
'F': 'Ljava/lang/Float;',
'D': 'Ljava/lang/Double;',
'C': 'Ljava/lang/Character;'
}
self.sget_dict = {
'I': 'Ljava/lang/Integer;->TYPE:Ljava/lang/Class;',
'Z': 'Ljava/lang/Boolean;->TYPE:Ljava/lang/Class;',
'B': 'Ljava/lang/Byte;->TYPE:Ljava/lang/Class;',
'S': 'Ljava/lang/Short;->TYPE:Ljava/lang/Class;',
'J': 'Ljava/lang/Long;->TYPE:Ljava/lang/Class;',
'F': 'Ljava/lang/Float;->TYPE:Ljava/lang/Class;',
'D': 'Ljava/lang/Double;->TYPE:Ljava/lang/Class;',
'C': 'Ljava/lang/Character;->TYPE:Ljava/lang/Class;'
}
self.cast_dict = {
'I': 'Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;',
'Z': 'Ljava/lang/Boolean;->valueOf(Z)Ljava/lang/Boolean;',
'B': 'Ljava/lang/Byte;->valueOf(B)Ljava/lang/Byte;',
'S': 'Ljava/lang/Short;->valueOf(S)Ljava/lang/Short;',
'J': 'Ljava/lang/Long;->valueOf(J)Ljava/lang/Long;',
'F': 'Ljava/lang/Float;->valueOf(F)Ljava/lang/Float;',
'D': 'Ljava/lang/Double;->valueOf(D)Ljava/lang/Double;',
'C': 'Ljava/lang/Character;->valueOf(C)Ljava/lang/Character;'
}
self.reverse_cast_dict = {
'I': 'Ljava/lang/Integer;->intValue()I',
'Z': 'Ljava/lang/Boolean;->booleanValue()Z',
'B': 'Ljava/lang/Byte;->byteValue()B',
'S': 'Ljava/lang/Short;->shortValue()S',
'J': 'Ljava/lang/Long;->longValue()J',
'F': 'Ljava/lang/Float;->floatValue()F',
'D': 'Ljava/lang/Double;->doubleValue()D',
'C': 'Ljava/lang/Character;->charValue()C'
}
def __init__(self):
self.logger = logging.getLogger("{0}.{1}".format(
__name__, self.__class__.__name__))
super().__init__()
self.android_class_names: Set[str] = set(
util.get_android_class_names())
self.methods_with_reflection: int = 0
# Will be populated before running the reflection obfuscator.
self.class_name_to_smali_file: dict = {}
# Keep track of the length of the added instructions for reflection obfuscator,
# since there is a limit for the number of maximum instructions in a try catch
# block. Not all the instructions have the same length.
self.obfuscator_instructions_length: int = 0
self.obfuscator_instructions_limit: int = 60000
self.primitive_types: Set[str] = {
"I", "Z", "B", "S", "J", "F", "D", "C"
}
self.type_dict = {
"I": "Ljava/lang/Integer;",
"Z": "Ljava/lang/Boolean;",
"B": "Ljava/lang/Byte;",
"S": "Ljava/lang/Short;",
"J": "Ljava/lang/Long;",
"F": "Ljava/lang/Float;",
"D": "Ljava/lang/Double;",
"C": "Ljava/lang/Character;",
}
self.sget_dict = {
"I": "Ljava/lang/Integer;->TYPE:Ljava/lang/Class;",
"Z": "Ljava/lang/Boolean;->TYPE:Ljava/lang/Class;",
"B": "Ljava/lang/Byte;->TYPE:Ljava/lang/Class;",
"S": "Ljava/lang/Short;->TYPE:Ljava/lang/Class;",
"J": "Ljava/lang/Long;->TYPE:Ljava/lang/Class;",
"F": "Ljava/lang/Float;->TYPE:Ljava/lang/Class;",
"D": "Ljava/lang/Double;->TYPE:Ljava/lang/Class;",
"C": "Ljava/lang/Character;->TYPE:Ljava/lang/Class;",
}
self.cast_dict = {
"I": "Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;",
"Z": "Ljava/lang/Boolean;->valueOf(Z)Ljava/lang/Boolean;",
"B": "Ljava/lang/Byte;->valueOf(B)Ljava/lang/Byte;",
"S": "Ljava/lang/Short;->valueOf(S)Ljava/lang/Short;",
"J": "Ljava/lang/Long;->valueOf(J)Ljava/lang/Long;",
"F": "Ljava/lang/Float;->valueOf(F)Ljava/lang/Float;",
"D": "Ljava/lang/Double;->valueOf(D)Ljava/lang/Double;",
"C": "Ljava/lang/Character;->valueOf(C)Ljava/lang/Character;",
}
self.reverse_cast_dict = {
"I": "Ljava/lang/Integer;->intValue()I",
"Z": "Ljava/lang/Boolean;->booleanValue()Z",
"B": "Ljava/lang/Byte;->byteValue()B",
"S": "Ljava/lang/Short;->shortValue()S",
"J": "Ljava/lang/Long;->longValue()J",
"F": "Ljava/lang/Float;->floatValue()F",
"D": "Ljava/lang/Double;->doubleValue()D",
"C": "Ljava/lang/Character;->charValue()C",
}