def run_debug_injector(args):
extracted_apk_dir = make_temp_dir(".extracted_apk", False)
dex_dir = make_temp_dir(".dexen", False)
with ZipManager(
args.input_apk, extracted_apk_dir, args.output_apk), UnpackManager(
args.input_apk, extracted_apk_dir,
dex_dir) as store_files, LibraryManager(extracted_apk_dir):
dexen = move_dexen_to_directories(dex_dir,
dex_glob(dex_dir)) + store_files
try:
subprocess.check_output(
[args.bin_path, "-o", dex_dir, "--dex-files"] + dexen,
stderr=subprocess.STDOUT,
)
except subprocess.CalledProcessError as e:
sys.stderr.write("Error while running inject debug binary:\n")
sys.stderr.write(e.output.decode("utf-8"))
exit(1)
if (args.keystore is not None and args.keyalias is not None
and args.keypass is not None):
sign_apk(args.keystore, args.keypass, args.keyalias, args.output_apk)
def prepare_redex(args):
logging.debug("Preparing...")
debug_mode = args.unpack_only or args.debug
if args.android_sdk_path:
add_android_sdk_path(args.android_sdk_path)
# avoid accidentally mixing up file formats since we now support
# both apk files and Android bundle files
file_ext = get_file_ext(args.input_apk)
if not args.unpack_only:
assert file_ext == get_file_ext(
args.out), ('Input file extension ("' + file_ext +
'") should be the same as output file extension ("' +
get_file_ext(args.out) + '")')
extracted_apk_dir = None
dex_dir = None
if args.unpack_only and args.unpack_dest:
if args.unpack_dest[0] == ".":
# Use APK's name
unpack_dir_basename = os.path.splitext(args.input_apk)[0]
else:
unpack_dir_basename = args.unpack_dest[0]
extracted_apk_dir = unpack_dir_basename + ".redex_extracted_apk"
dex_dir = unpack_dir_basename + ".redex_dexen"
try:
os.makedirs(extracted_apk_dir)
os.makedirs(dex_dir)
extracted_apk_dir = os.path.abspath(extracted_apk_dir)
dex_dir = os.path.abspath(dex_dir)
except OSError as e:
if e.errno == errno.EEXIST:
print("Error: destination directory already exists!")
print("APK: " + extracted_apk_dir)
print("DEX: " + dex_dir)
sys.exit(1)
raise e
config = args.config
binary = args.redex_binary
logging.debug("Using config %s",
config if config is not None else "(default)")
logging.debug("Using binary %s",
binary if binary is not None else "(default)")
if args.unpack_only or config is None:
config_dict = {}
else:
with open(config) as config_file:
try:
lines = config_file.readlines()
config_dict = json.loads(remove_comments(lines))
except ValueError:
raise ValueError("Invalid JSON in ReDex config file: %s" %
config_file.name)
# stop_pass_idx >= 0 means need stop before a pass and dump intermediate result
stop_pass_idx = -1
if args.stop_pass:
passes_list = config_dict.get("redex", {}).get("passes", [])
stop_pass_idx = get_stop_pass_idx(passes_list, args.stop_pass)
if not args.output_ir or isfile(args.output_ir):
print("Error: output_ir should be a directory")
sys.exit(1)
try:
os.makedirs(args.output_ir)
except OSError as e:
if e.errno != errno.EEXIST:
raise e
logging.debug("Unpacking...")
unpack_start_time = timer()
if not extracted_apk_dir:
extracted_apk_dir = make_temp_dir(".redex_extracted_apk", debug_mode)
directory = make_temp_dir(".redex_unaligned", False)
unaligned_apk_path = join(directory, "redex-unaligned." + file_ext)
zip_manager = ZipManager(args.input_apk, extracted_apk_dir,
unaligned_apk_path)
zip_manager.__enter__()
if not dex_dir:
dex_dir = make_temp_dir(".redex_dexen", debug_mode)
is_bundle = isfile(join(extracted_apk_dir, "BundleConfig.pb"))
unpack_manager = UnpackManager(
args.input_apk,
extracted_apk_dir,
dex_dir,
have_locators=config_dict.get("emit_locator_strings"),
debug_mode=debug_mode,
fast_repackage=args.dev,
reset_timestamps=args.reset_zip_timestamps or args.dev,
is_bundle=is_bundle,
)
store_files = unpack_manager.__enter__()
lib_manager = LibraryManager(extracted_apk_dir, is_bundle=is_bundle)
lib_manager.__enter__()
if args.unpack_only:
print("APK: " + extracted_apk_dir)
print("DEX: " + dex_dir)
sys.exit()
# Unpack profiles, if they exist.
_handle_profiles(args, debug_mode)
logging.debug("Moving contents to expected structure...")
# Move each dex to a separate temporary directory to be operated by
# redex.
dexen = move_dexen_to_directories(dex_dir, dex_glob(dex_dir))
for store in sorted(store_files):
dexen.append(store)
logging.debug(
"Unpacking APK finished in {:.2f} seconds".format(timer() -
unpack_start_time))
if args.side_effect_summaries is not None:
args.passthru_json.append(
'ObjectSensitiveDcePass.side_effect_summaries="%s"' %
args.side_effect_summaries)
if args.escape_summaries is not None:
args.passthru_json.append(
'ObjectSensitiveDcePass.escape_summaries="%s"' %
args.escape_summaries)
for key_value_str in args.passthru_json:
key_value = key_value_str.split("=", 1)
if len(key_value) != 2:
logging.debug(
"Json Pass through %s is not valid. Split len: %s",
key_value_str,
len(key_value),
)
continue
key = key_value[0]
value = key_value[1]
prev_value = config_dict.get(key, "(No previous value)")
logging.debug(
"Got Override %s = %s from %s. Previous %s",
key,
value,
key_value_str,
prev_value,
)
config_dict[key] = json.loads(value)
# Scan for framework files. If not found, warn and add them if available.
_check_android_sdk_api(args)
# Check for shrinker heuristics.
_check_shrinker_heuristics(args)
# Scan for SDK jar. If not found, warn and add if available.
_check_android_sdk(args)
logging.debug("Running redex-all on %d dex files ", len(dexen))
if args.lldb:
debugger = "lldb"
elif args.gdb:
debugger = "gdb"
else:
debugger = None
return State(
args=args,
config_dict=config_dict,
debugger=debugger,
dex_dir=dex_dir,
dexen=dexen,
extracted_apk_dir=extracted_apk_dir,
stop_pass_idx=stop_pass_idx,
lib_manager=lib_manager,
unpack_manager=unpack_manager,
zip_manager=zip_manager,
)
