Files
frida-frida-python/frida/core.py
T
2018-09-17 22:15:27 +02:00

348 lines
9.6 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals, print_function
import fnmatch
import json
import numbers
import sys
import threading
import traceback
import _frida
class DeviceManager(object):
def __init__(self, impl):
self._impl = impl
def __repr__(self):
return repr(self._impl)
def enumerate_devices(self):
return [Device(device) for device in self._impl.enumerate_devices()]
def add_remote_device(self, host):
return Device(self._impl.add_remote_device(host))
def remove_remote_device(self, host):
self._impl.remove_remote_device(host)
def get_device(self, device_id):
devices = self._impl.enumerate_devices()
if device_id is None:
return Device(devices[0])
for device in devices:
if device.id == device_id:
return Device(device)
raise _frida.InvalidArgumentError("unable to find device with id %s" % device_id)
def on(self, signal, callback):
self._impl.on(signal, callback)
def off(self, signal, callback):
self._impl.off(signal, callback)
class Device(object):
def __init__(self, device):
self.id = device.id
self.name = device.name
self.icon = device.icon
self.type = device.type
self._impl = device
def __repr__(self):
return repr(self._impl)
def get_frontmost_application(self):
return self._impl.get_frontmost_application()
def enumerate_applications(self):
return self._impl.enumerate_applications()
def enumerate_processes(self):
return self._impl.enumerate_processes()
def get_process(self, process_name):
process_name_lc = process_name.lower()
matching = [process for process in self._impl.enumerate_processes() if fnmatch.fnmatchcase(process.name.lower(), process_name_lc)]
if len(matching) == 1:
return matching[0]
elif len(matching) > 1:
raise _frida.ProcessNotFoundError("ambiguous name; it matches: %s" % ", ".join(["%s (pid: %d)" % (process.name, process.pid) for process in matching]))
else:
raise _frida.ProcessNotFoundError("unable to find process with name '%s'" % process_name)
def enable_spawn_gating(self):
return self._impl.enable_spawn_gating()
def disable_spawn_gating(self):
return self._impl.disable_spawn_gating()
def enumerate_pending_spawn(self):
return self._impl.enumerate_pending_spawn()
def enumerate_pending_children(self):
return self._impl.enumerate_pending_children()
def spawn(self, program, argv=None, envp=None, env=None, cwd=None, stdio=None, **kwargs):
if not isinstance(program, string_types):
argv = program
program = argv[0]
if len(argv) == 1:
argv = None
aux_options = kwargs
return self._impl.spawn(program, argv, envp, env, cwd, stdio, aux_options)
def input(self, target, data):
self._impl.input(self._pid_of(target), data)
def resume(self, target):
self._impl.resume(self._pid_of(target))
def kill(self, target):
self._impl.kill(self._pid_of(target))
def attach(self, target):
return Session(self._impl.attach(self._pid_of(target)))
def inject_library_file(self, target, path, entrypoint, data):
return self._impl.inject_library_file(self._pid_of(target), path, entrypoint, data)
def inject_library_blob(self, target, blob, entrypoint, data):
return self._impl.inject_library_blob(self._pid_of(target), blob, entrypoint, data)
def on(self, signal, callback):
self._impl.on(signal, callback)
def off(self, signal, callback):
self._impl.off(signal, callback)
def _pid_of(self, target):
if isinstance(target, numbers.Number):
return target
else:
return self.get_process(target).pid
class Session(object):
def __init__(self, impl):
self._impl = impl
def __repr__(self):
return repr(self._impl)
def detach(self):
self._impl.detach()
def enable_child_gating(self):
self._impl.enable_child_gating()
def disable_child_gating(self):
self._impl.disable_child_gating()
def create_script(self, *args, **kwargs):
return Script(self._impl.create_script(*args, **kwargs))
def create_script_from_bytes(self, *args, **kwargs):
return Script(self._impl.create_script_from_bytes(*args, **kwargs))
def compile_script(self, *args, **kwargs):
return self._impl.compile_script(*args, **kwargs)
def enable_debugger(self, *args, **kwargs):
self._impl.enable_debugger(*args, **kwargs)
def disable_debugger(self):
self._impl.disable_debugger()
def enable_jit(self):
self._impl.enable_jit()
def on(self, signal, callback):
self._impl.on(signal, callback)
def off(self, signal, callback):
self._impl.off(signal, callback)
class Script(object):
def __init__(self, impl):
self.exports = ScriptExports(self)
self._impl = impl
self._on_message_callbacks = []
self._log_handler = self._on_log
self._pending = {}
self._next_request_id = 1
self._cond = threading.Condition()
impl.on('destroyed', self._on_destroyed)
impl.on('message', self._on_message)
def __repr__(self):
return repr(self._impl)
def load(self):
self._impl.load()
def unload(self):
self._impl.unload()
def eternalize(self):
self._impl.eternalize()
def post(self, message, **kwargs):
raw_message = json.dumps(message)
self._impl.post(raw_message, **kwargs)
def on(self, signal, callback):
if signal == 'message':
self._on_message_callbacks.append(callback)
else:
self._impl.on(signal, callback)
def off(self, signal, callback):
if signal == 'message':
self._on_message_callbacks.remove(callback)
else:
self._impl.off(signal, callback)
def set_log_handler(self, handler):
if handler is not None:
self._log_handler = handler
else:
self._log_handler = self._on_log
def _rpc_request(self, *args):
result = [False, None, None]
def on_complete(value, error):
with self._cond:
result[0] = True
result[1] = value
result[2] = error
self._cond.notify_all()
with self._cond:
request_id = self._next_request_id
self._next_request_id += 1
self._pending[request_id] = on_complete
message = ['frida:rpc', request_id]
message.extend(args)
try:
self.post(message)
except Exception as e:
del self._pending[request_id]
raise
with self._cond:
while not result[0]:
self._cond.wait()
if result[2] is not None:
raise result[2]
return result[1]
def _on_rpc_message(self, request_id, operation, params, data):
if operation in ('ok', 'error'):
callback = self._pending.pop(request_id)
value = None
error = None
if operation == 'ok':
value = params[0] if data is None else data
else:
error = RPCException(*params[0:3])
callback(value, error)
def _on_destroyed(self):
while True:
next_pending = None
with self._cond:
pending_ids = list(self._pending.keys())
if len(pending_ids) > 0:
next_pending = self._pending.pop(pending_ids[0])
if next_pending is None:
break
next_pending(None, _frida.InvalidOperationError('script is destroyed'))
def _on_message(self, raw_message, data):
message = json.loads(raw_message)
mtype = message['type']
payload = message.get('payload', None)
if mtype == 'log':
level = message['level']
text = payload
self._log_handler(level, text)
elif mtype == 'send' and isinstance(payload, list) and payload[0] == 'frida:rpc':
request_id = payload[1]
operation = payload[2]
params = payload[3:]
self._on_rpc_message(request_id, operation, params, data)
else:
for callback in self._on_message_callbacks[:]:
try:
callback(message, data)
except:
traceback.print_exc()
def _on_log(self, level, text):
if level == 'info':
print(text, file=sys.stdout)
else:
print(text, file=sys.stderr)
class RPCException(Exception):
def __str__(self):
return self.args[2] if len(self.args) >= 3 else self.args[0]
class ScriptExports(object):
def __init__(self, script):
self._script = script
def __getattr__(self, name):
script = self._script
js_name = _to_camel_case(name)
def method(*args):
return script._rpc_request('call', js_name, args)
return method
class Error(Exception):
pass
def _to_camel_case(name):
result = ""
uppercase_next = False
for c in name:
if c == '_':
uppercase_next = True
elif uppercase_next:
result += c.upper()
uppercase_next = False
else:
result += c.lower()
return result
if sys.version_info[0] >= 3:
string_types = str,
else:
string_types = basestring,