mirror of
https://github.com/frida/frida-python
synced 2026-06-08 14:16:17 +00:00
Ole André Vadla Ravnås
6038ace649
Need to handle get_fd() returning -1 on error, which always happens on Windows where it is unsupported.
517 lines
14 KiB
Python
517 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals, print_function
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import fnmatch
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from functools import wraps
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import json
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import numbers
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import sys
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import threading
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import traceback
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import _frida
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_Cancellable = _frida.Cancellable
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def cancellable(f):
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@wraps(f)
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def wrapper(*args, **kwargs):
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cancellable = kwargs.pop('cancellable', None)
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if cancellable is not None:
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with cancellable:
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return f(*args, **kwargs)
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return f(*args, **kwargs)
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return wrapper
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class DeviceManager(object):
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def __init__(self, impl):
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self._impl = impl
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def __repr__(self):
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return repr(self._impl)
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def get_local_device(self, **kwargs):
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return self.get_device_matching(lambda d: d.type == 'local', timeout=0, **kwargs)
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def get_remote_device(self, **kwargs):
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return self.get_device_matching(lambda d: d.type == 'remote', timeout=0, **kwargs)
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def get_usb_device(self, timeout=0, **kwargs):
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return self.get_device_matching(lambda d: d.type == 'usb', timeout, **kwargs)
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def get_device(self, id, timeout=0, **kwargs):
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return self.get_device_matching(lambda d: d.id == id, timeout, **kwargs)
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@cancellable
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def get_device_matching(self, predicate, timeout=0):
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if timeout < 0:
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raw_timeout = -1
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elif timeout == 0:
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raw_timeout = 0
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else:
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raw_timeout = int(timeout * 1000.0)
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return Device(self._impl.get_device_matching(lambda d: predicate(Device(d)), raw_timeout))
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@cancellable
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def enumerate_devices(self):
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return [Device(device) for device in self._impl.enumerate_devices()]
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@cancellable
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def add_remote_device(self, location):
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return Device(self._impl.add_remote_device(location))
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@cancellable
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def remove_remote_device(self, location):
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self._impl.remove_remote_device(location)
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def on(self, signal, callback):
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self._impl.on(signal, callback)
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def off(self, signal, callback):
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self._impl.off(signal, callback)
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class Device(object):
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def __init__(self, device):
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self.id = device.id
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self.name = device.name
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self.icon = device.icon
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self.type = device.type
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self._impl = device
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def __repr__(self):
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return repr(self._impl)
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@cancellable
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def get_frontmost_application(self):
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return self._impl.get_frontmost_application()
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@cancellable
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def enumerate_applications(self):
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return self._impl.enumerate_applications()
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@cancellable
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def enumerate_processes(self):
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return self._impl.enumerate_processes()
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@cancellable
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def get_process(self, process_name):
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process_name_lc = process_name.lower()
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matching = [process for process in self._impl.enumerate_processes() if fnmatch.fnmatchcase(process.name.lower(), process_name_lc)]
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if len(matching) == 1:
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return matching[0]
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elif len(matching) > 1:
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raise _frida.ProcessNotFoundError("ambiguous name; it matches: %s" % ", ".join(["%s (pid: %d)" % (process.name, process.pid) for process in matching]))
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else:
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raise _frida.ProcessNotFoundError("unable to find process with name '%s'" % process_name)
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@cancellable
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def enable_spawn_gating(self):
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return self._impl.enable_spawn_gating()
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@cancellable
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def disable_spawn_gating(self):
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return self._impl.disable_spawn_gating()
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@cancellable
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def enumerate_pending_spawn(self):
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return self._impl.enumerate_pending_spawn()
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@cancellable
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def enumerate_pending_children(self):
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return self._impl.enumerate_pending_children()
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@cancellable
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def spawn(self, program, argv=None, envp=None, env=None, cwd=None, stdio=None, **kwargs):
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if not isinstance(program, string_types):
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argv = program
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program = argv[0]
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if len(argv) == 1:
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argv = None
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aux_options = kwargs
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return self._impl.spawn(program, argv, envp, env, cwd, stdio, aux_options)
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@cancellable
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def input(self, target, data):
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self._impl.input(self._pid_of(target), data)
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@cancellable
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def resume(self, target):
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self._impl.resume(self._pid_of(target))
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@cancellable
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def kill(self, target):
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self._impl.kill(self._pid_of(target))
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@cancellable
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def attach(self, target):
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return Session(self._impl.attach(self._pid_of(target)))
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@cancellable
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def inject_library_file(self, target, path, entrypoint, data):
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return self._impl.inject_library_file(self._pid_of(target), path, entrypoint, data)
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@cancellable
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def inject_library_blob(self, target, blob, entrypoint, data):
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return self._impl.inject_library_blob(self._pid_of(target), blob, entrypoint, data)
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@cancellable
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def open_channel(self, address):
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return IOStream(self._impl.open_channel(address))
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def on(self, signal, callback):
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self._impl.on(signal, callback)
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def off(self, signal, callback):
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self._impl.off(signal, callback)
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def _pid_of(self, target):
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if isinstance(target, numbers.Number):
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return target
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else:
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return self.get_process(target).pid
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class Session(object):
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def __init__(self, impl):
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self._impl = impl
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def __repr__(self):
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return repr(self._impl)
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@cancellable
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def detach(self):
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self._impl.detach()
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@cancellable
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def enable_child_gating(self):
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self._impl.enable_child_gating()
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@cancellable
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def disable_child_gating(self):
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self._impl.disable_child_gating()
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@cancellable
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def create_script(self, *args, **kwargs):
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return Script(self._impl.create_script(*args, **kwargs))
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@cancellable
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def create_script_from_bytes(self, *args, **kwargs):
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return Script(self._impl.create_script_from_bytes(*args, **kwargs))
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@cancellable
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def compile_script(self, *args, **kwargs):
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return self._impl.compile_script(*args, **kwargs)
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@cancellable
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def enable_debugger(self, *args, **kwargs):
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self._impl.enable_debugger(*args, **kwargs)
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@cancellable
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def disable_debugger(self):
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self._impl.disable_debugger()
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@cancellable
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def enable_jit(self):
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self._impl.enable_jit()
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def on(self, signal, callback):
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self._impl.on(signal, callback)
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def off(self, signal, callback):
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self._impl.off(signal, callback)
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class Script(object):
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def __init__(self, impl):
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self.exports = ScriptExports(self)
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self._impl = impl
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self._on_message_callbacks = []
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self._log_handler = self.default_log_handler
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self._pending = {}
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self._next_request_id = 1
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self._cond = threading.Condition()
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impl.on('destroyed', self._on_destroyed)
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impl.on('message', self._on_message)
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def __repr__(self):
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return repr(self._impl)
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@cancellable
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def load(self):
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self._impl.load()
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@cancellable
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def unload(self):
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self._impl.unload()
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@cancellable
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def eternalize(self):
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self._impl.eternalize()
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@cancellable
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def post(self, message, **kwargs):
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raw_message = json.dumps(message)
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self._impl.post(raw_message, **kwargs)
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def on(self, signal, callback):
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if signal == 'message':
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self._on_message_callbacks.append(callback)
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else:
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self._impl.on(signal, callback)
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def off(self, signal, callback):
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if signal == 'message':
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self._on_message_callbacks.remove(callback)
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else:
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self._impl.off(signal, callback)
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def get_log_handler(self):
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return self._log_handler
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def set_log_handler(self, handler):
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self._log_handler = handler
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def default_log_handler(self, level, text):
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if level == 'info':
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print(text, file=sys.stdout)
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else:
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print(text, file=sys.stderr)
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@cancellable
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def _rpc_request(self, *args):
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result = [False, None, None]
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def on_complete(value, error):
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with self._cond:
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result[0] = True
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result[1] = value
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result[2] = error
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self._cond.notify_all()
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def on_cancelled():
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self._pending.pop(request_id, None)
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on_complete(None, None)
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with self._cond:
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request_id = self._next_request_id
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self._next_request_id += 1
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self._pending[request_id] = on_complete
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message = ['frida:rpc', request_id]
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message.extend(args)
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try:
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self.post(message)
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except Exception as e:
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self._pending.pop(request_id, None)
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raise
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cancellable = Cancellable.get_current()
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cancel_handler = cancellable.connect(on_cancelled)
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try:
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with self._cond:
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while not result[0]:
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self._cond.wait()
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finally:
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cancellable.disconnect(cancel_handler)
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cancellable.raise_if_cancelled()
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if result[2] is not None:
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raise result[2]
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return result[1]
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def _on_rpc_message(self, request_id, operation, params, data):
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if operation in ('ok', 'error'):
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callback = self._pending.pop(request_id, None)
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if callback is None:
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return
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value = None
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error = None
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if operation == 'ok':
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value = params[0] if data is None else data
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else:
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error = RPCException(*params[0:3])
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callback(value, error)
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def _on_destroyed(self):
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while True:
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next_pending = None
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with self._cond:
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pending_ids = list(self._pending.keys())
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if len(pending_ids) > 0:
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next_pending = self._pending.pop(pending_ids[0])
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if next_pending is None:
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break
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next_pending(None, _frida.InvalidOperationError('script is destroyed'))
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def _on_message(self, raw_message, data):
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message = json.loads(raw_message)
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mtype = message['type']
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payload = message.get('payload', None)
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if mtype == 'log':
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level = message['level']
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text = payload
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self._log_handler(level, text)
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elif mtype == 'send' and isinstance(payload, list) and len(payload) > 0 and payload[0] == 'frida:rpc':
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request_id = payload[1]
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operation = payload[2]
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params = payload[3:]
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self._on_rpc_message(request_id, operation, params, data)
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else:
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for callback in self._on_message_callbacks[:]:
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try:
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callback(message, data)
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except:
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traceback.print_exc()
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class RPCException(Exception):
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def __str__(self):
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return self.args[2] if len(self.args) >= 3 else self.args[0]
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class ScriptExports(object):
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def __init__(self, script):
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self._script = script
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def __getattr__(self, name):
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script = self._script
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js_name = _to_camel_case(name)
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def method(*args, **kwargs):
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return script._rpc_request('call', js_name, args, **kwargs)
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return method
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class IOStream(object):
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def __init__(self, impl):
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self._impl = impl
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def __repr__(self):
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return repr(self._impl)
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@property
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def is_closed(self):
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return self._impl.is_closed()
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@cancellable
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def close(self):
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self._impl.close()
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@cancellable
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def read(self, count):
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return self._impl.read(count)
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@cancellable
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def read_all(self, count):
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return self._impl.read_all(count)
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@cancellable
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def write(self, data):
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return self._impl.write(data)
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@cancellable
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def write_all(self, data):
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self._impl.write_all(data)
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class Cancellable(object):
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def __init__(self):
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self._impl = _Cancellable()
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def __repr__(self):
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return repr(self._impl)
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@property
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def is_cancelled(self):
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return self._impl.is_cancelled()
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def raise_if_cancelled(self):
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self._impl.raise_if_cancelled()
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def get_pollfd(self):
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return CancellablePollFD(self._impl)
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@classmethod
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def get_current(cls):
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return _Cancellable.get_current()
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def __enter__(self):
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self._impl.push_current()
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def __exit__(self, *args):
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self._impl.pop_current()
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def connect(self, callback):
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return self._impl.connect(callback)
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def disconnect(self, handler_id):
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self._impl.disconnect(handler_id)
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def cancel(self):
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self._impl.cancel()
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class CancellablePollFD(object):
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def __init__(self, cancellable):
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self.handle = cancellable.get_fd()
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self._cancellable = cancellable
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def __del__(self):
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self.release()
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def release(self):
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if self._cancellable is not None:
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if self.handle != -1:
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self._cancellable.release_fd()
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self.handle = -1
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self._cancellable = None
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def __repr__(self):
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return repr(self.handle)
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def __enter__(self):
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return self.handle
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def __exit__(self, *args):
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self.release()
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def _to_camel_case(name):
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result = ""
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uppercase_next = False
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for c in name:
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if c == '_':
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uppercase_next = True
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elif uppercase_next:
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result += c.upper()
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uppercase_next = False
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else:
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result += c.lower()
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return result
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if sys.version_info[0] >= 3:
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string_types = str,
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else:
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string_types = basestring,
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