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frida-frida-python/src/_frida.c
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Ole André Vadla Ravnås 16b2cbe705 Add COPYING and change license to LGPLv2+
2014-01-11 20:37:07 +01:00

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/*
* Copyright (C) 2013-2014 Ole André Vadla Ravnås <ole.andre.ravnas@tillitech.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <frida-core.h>
#ifdef _MSC_VER
# pragma warning (push)
# pragma warning (disable: 4211)
#endif
#ifdef _POSIX_C_SOURCE
# undef _POSIX_C_SOURCE
#endif
#include <Python.h>
#include <structmember.h>
#ifdef _MSC_VER
# pragma warning (pop)
#endif
#ifdef HAVE_MAC
# include <crt_externs.h>
#endif
#if PY_MAJOR_VERSION >= 3
# define MOD_INIT(name) PyMODINIT_FUNC PyInit_##name (void)
# define MOD_DEF(ob, name, doc, methods) \
{ \
static struct PyModuleDef moduledef = { \
PyModuleDef_HEAD_INIT, name, doc, -1, methods, }; \
ob = PyModule_Create (&moduledef); \
}
# define MOD_SUCCESS_VAL(val) val
# define MOD_ERROR_VAL NULL
# define PyRepr_FromFormat PyUnicode_FromFormat
#else
# define MOD_INIT(name) PyMODINIT_FUNC init##name (void)
# define MOD_DEF(ob, name, doc, methods) \
ob = Py_InitModule3 (name, methods, doc);
# define MOD_SUCCESS_VAL(val)
# define MOD_ERROR_VAL
# define PyRepr_FromFormat PyString_FromFormat
#endif
#define FRIDA_FUNCPTR_TO_POINTER(f) (GSIZE_TO_POINTER (f))
static PyObject * json_loads;
static PyObject * json_dumps;
typedef struct _PyDeviceManager PyDeviceManager;
typedef struct _PyDevice PyDevice;
typedef struct _PyProcess PyProcess;
typedef struct _PyIcon PyIcon;
typedef struct _PySession PySession;
typedef struct _PyScript PyScript;
struct _PyDeviceManager
{
PyObject_HEAD
FridaDeviceManager * handle;
GList * on_changed;
};
struct _PyDevice
{
PyObject_HEAD
FridaDevice * handle;
guint id;
const gchar * name;
PyObject * icon;
const gchar * type;
GList * on_lost;
};
struct _PyProcess
{
PyObject_HEAD
FridaProcess * handle;
guint pid;
const gchar * name;
};
struct _PyIcon
{
PyObject_HEAD
gint width;
gint height;
gint rowstride;
PyObject * pixels;
};
struct _PySession
{
PyObject_HEAD
FridaSession * handle;
GList * on_detached;
};
struct _PyScript
{
PyObject_HEAD
FridaScript * handle;
GList * on_message;
};
static int PyDeviceManager_init (PyDeviceManager * self);
static void PyDeviceManager_dealloc (PyDeviceManager * self);
static PyObject * PyDeviceManager_close (PyDeviceManager * self);
static PyObject * PyDeviceManager_enumerate_devices (PyDeviceManager * self);
static PyObject * PyDeviceManager_on (PyDeviceManager * self, PyObject * args);
static PyObject * PyDeviceManager_off (PyDeviceManager * self, PyObject * args);
static void PyDeviceManager_on_changed (PyDeviceManager * self, FridaDeviceManager * handle);
static PyObject * PyDevice_from_handle (FridaDevice * handle);
static int PyDevice_init (PyDevice * self);
static void PyDevice_dealloc (PyDevice * self);
static PyObject * PyDevice_repr (PyDevice * self);
static PyObject * PyDevice_enumerate_processes (PyDevice * self);
static PyObject * PyDevice_spawn (PyDevice * self, PyObject * args);
static PyObject * PyDevice_resume (PyDevice * self, PyObject * args);
static PyObject * PyDevice_attach (PyDevice * self, PyObject * args);
static PyObject * PyDevice_on (PyDevice * self, PyObject * args);
static PyObject * PyDevice_off (PyDevice * self, PyObject * args);
static void PyDevice_on_lost (PyDevice * self, FridaDevice * handle);
static PyObject * PyProcess_from_handle (FridaProcess * handle);
static int PyProcess_init (PyProcess * self);
static void PyProcess_dealloc (PyProcess * self);
static PyObject * PyProcess_repr (PyProcess * self);
static PyObject * PyProcess_get_small_icon (PyProcess * self);
static PyObject * PyProcess_get_large_icon (PyProcess * self);
static PyObject * PyIcon_from_handle (FridaIcon * handle);
static int PyIcon_init (PyIcon * self);
static void PyIcon_dealloc (PyIcon * self);
static PyObject * PyIcon_repr (PyIcon * self);
static PyObject * PySession_from_handle (FridaSession * handle);
static int PySession_init (PySession * self);
static void PySession_dealloc (PySession * self);
static PyObject * PySession_detach (PySession * self);
static PyObject * PySession_create_script (PySession * self, PyObject * args);
static PyObject * PySession_on (PySession * self, PyObject * args);
static PyObject * PySession_off (PySession * self, PyObject * args);
static void PySession_on_detached (PySession * self, FridaSession * handle);
static PyObject * PyScript_from_handle (FridaScript * handle);
static int PyScript_init (PyScript * self);
static void PyScript_dealloc (PyScript * self);
static PyObject * PyScript_load (PyScript * self);
static PyObject * PyScript_unload (PyScript * self);
static PyObject * PyScript_post_message (PyScript * self, PyObject * args);
static PyObject * PyScript_on (PyScript * self, PyObject * args);
static PyObject * PyScript_off (PyScript * self, PyObject * args);
static void PyScript_on_message (PyScript * self, const gchar * message, const gchar * data, gint data_size, FridaScript * handle);
static const gchar * PyFrida_device_type_to_string (FridaDeviceType type);
static gboolean PyFrida_parse_signal_method_args (PyObject * args, const char ** signal, PyObject ** callback);
static PyMethodDef PyDeviceManager_methods[] =
{
{ "close", (PyCFunction) PyDeviceManager_close, METH_NOARGS, "Close the device manager." },
{ "enumerate_devices", (PyCFunction) PyDeviceManager_enumerate_devices, METH_NOARGS, "Enumerate devices." },
{ "on", (PyCFunction) PyDeviceManager_on, METH_VARARGS, "Add an event handler." },
{ "off", (PyCFunction) PyDeviceManager_off, METH_VARARGS, "Remove an event handler." },
{ NULL }
};
static PyMethodDef PyDevice_methods[] =
{
{ "enumerate_processes", (PyCFunction) PyDevice_enumerate_processes, METH_NOARGS, "Enumerate processes." },
{ "spawn", (PyCFunction) PyDevice_spawn, METH_VARARGS, "Spawn a process into an attachable state." },
{ "resume", (PyCFunction) PyDevice_resume, METH_VARARGS, "Resume a process from the attachable state." },
{ "attach", (PyCFunction) PyDevice_attach, METH_VARARGS, "Attach to a PID." },
{ "on", (PyCFunction) PyDevice_on, METH_VARARGS, "Add an event handler." },
{ "off", (PyCFunction) PyDevice_off, METH_VARARGS, "Remove an event handler." },
{ NULL }
};
static PyMemberDef PyDevice_members[] =
{
{ "id", T_UINT, G_STRUCT_OFFSET (PyDevice, id), READONLY, "Device ID."},
{ "name", T_STRING, G_STRUCT_OFFSET (PyDevice, name), READONLY, "Human-readable device name."},
{ "icon", T_OBJECT_EX, G_STRUCT_OFFSET (PyDevice, icon), READONLY, "Icon."},
{ "type", T_STRING, G_STRUCT_OFFSET (PyDevice, type), READONLY, "Device type. One of: local, tether, remote."},
{ NULL }
};
static PyMethodDef PyProcess_methods[] =
{
{ "get_small_icon", (PyCFunction) PyProcess_get_small_icon, METH_NOARGS, "Small icon." },
{ "get_large_icon", (PyCFunction) PyProcess_get_large_icon, METH_NOARGS, "Large icon." },
{ NULL }
};
static PyMemberDef PyProcess_members[] =
{
{ "pid", T_UINT, G_STRUCT_OFFSET (PyProcess, pid), READONLY, "Process ID."},
{ "name", T_STRING, G_STRUCT_OFFSET (PyProcess, name), READONLY, "Human-readable process name."},
{ NULL }
};
static PyMemberDef PyIcon_members[] =
{
{ "width", T_INT, G_STRUCT_OFFSET (PyIcon, width), READONLY, "Width in pixels."},
{ "height", T_INT, G_STRUCT_OFFSET (PyIcon, height), READONLY, "Height in pixels."},
{ "rowstride", T_INT, G_STRUCT_OFFSET (PyIcon, rowstride), READONLY, "Row stride in bytes."},
{ "pixels", T_OBJECT_EX, G_STRUCT_OFFSET (PyIcon, pixels), READONLY, "Pixels as a raw string containing RGBA data."},
{ NULL }
};
static PyMethodDef PySession_methods[] =
{
{ "detach", (PyCFunction) PySession_detach, METH_NOARGS, "Detach session from the process." },
{ "create_script", (PyCFunction) PySession_create_script, METH_VARARGS, "Create a new script." },
{ "on", (PyCFunction) PySession_on, METH_VARARGS, "Add an event handler." },
{ "off", (PyCFunction) PySession_off, METH_VARARGS, "Remove an event handler." },
{ NULL }
};
static PyMethodDef PyScript_methods[] =
{
{ "load", (PyCFunction) PyScript_load, METH_NOARGS, "Load the script." },
{ "unload", (PyCFunction) PyScript_unload, METH_NOARGS, "Unload the script." },
{ "post_message", (PyCFunction) PyScript_post_message, METH_VARARGS, "Post a JSON-formatted message to the script." },
{ "on", (PyCFunction) PyScript_on, METH_VARARGS, "Add an event handler." },
{ "off", (PyCFunction) PyScript_off, METH_VARARGS, "Remove an event handler." },
{ NULL }
};
static PyTypeObject PyDeviceManagerType =
{
PyVarObject_HEAD_INIT (NULL, 0)
"_frida.DeviceManager", /* tp_name */
sizeof (PyDeviceManager), /* tp_basicsize */
0, /* tp_itemsize */
(destructor) PyDeviceManager_dealloc, /* tp_dealloc */
NULL, /* tp_print */
NULL, /* tp_getattr */
NULL, /* tp_setattr */
NULL, /* tp_compare */
NULL, /* tp_repr */
NULL, /* tp_as_number */
NULL, /* tp_as_sequence */
NULL, /* tp_as_mapping */
NULL, /* tp_hash */
NULL, /* tp_call */
NULL, /* tp_str */
NULL, /* tp_getattro */
NULL, /* tp_setattro */
NULL, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Frida Device Manager", /* tp_doc */
NULL, /* tp_traverse */
NULL, /* tp_clear */
NULL, /* tp_richcompare */
0, /* tp_weaklistoffset */
NULL, /* tp_iter */
NULL, /* tp_iternext */
PyDeviceManager_methods, /* tp_methods */
NULL, /* tp_members */
NULL, /* tp_getset */
NULL, /* tp_base */
NULL, /* tp_dict */
NULL, /* tp_descr_get */
NULL, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc) PyDeviceManager_init, /* tp_init */
};
static PyTypeObject PyDeviceType =
{
PyVarObject_HEAD_INIT (NULL, 0)
"_frida.Device", /* tp_name */
sizeof (PyDevice), /* tp_basicsize */
0, /* tp_itemsize */
(destructor) PyDevice_dealloc, /* tp_dealloc */
NULL, /* tp_print */
NULL, /* tp_getattr */
NULL, /* tp_setattr */
NULL, /* tp_compare */
(reprfunc) PyDevice_repr, /* tp_repr */
NULL, /* tp_as_number */
NULL, /* tp_as_sequence */
NULL, /* tp_as_mapping */
NULL, /* tp_hash */
NULL, /* tp_call */
NULL, /* tp_str */
NULL, /* tp_getattro */
NULL, /* tp_setattro */
NULL, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Frida Device", /* tp_doc */
NULL, /* tp_traverse */
NULL, /* tp_clear */
NULL, /* tp_richcompare */
0, /* tp_weaklistoffset */
NULL, /* tp_iter */
NULL, /* tp_iternext */
PyDevice_methods, /* tp_methods */
PyDevice_members, /* tp_members */
NULL, /* tp_getset */
NULL, /* tp_base */
NULL, /* tp_dict */
NULL, /* tp_descr_get */
NULL, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc) PyDevice_init, /* tp_init */
};
static PyTypeObject PyProcessType =
{
PyVarObject_HEAD_INIT (NULL, 0)
"_frida.Process", /* tp_name */
sizeof (PyProcess), /* tp_basicsize */
0, /* tp_itemsize */
(destructor) PyProcess_dealloc, /* tp_dealloc */
NULL, /* tp_print */
NULL, /* tp_getattr */
NULL, /* tp_setattr */
NULL, /* tp_compare */
(reprfunc) PyProcess_repr, /* tp_repr */
NULL, /* tp_as_number */
NULL, /* tp_as_sequence */
NULL, /* tp_as_mapping */
NULL, /* tp_hash */
NULL, /* tp_call */
NULL, /* tp_str */
NULL, /* tp_getattro */
NULL, /* tp_setattro */
NULL, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Frida Process", /* tp_doc */
NULL, /* tp_traverse */
NULL, /* tp_clear */
NULL, /* tp_richcompare */
0, /* tp_weaklistoffset */
NULL, /* tp_iter */
NULL, /* tp_iternext */
PyProcess_methods, /* tp_methods */
PyProcess_members, /* tp_members */
NULL, /* tp_getset */
NULL, /* tp_base */
NULL, /* tp_dict */
NULL, /* tp_descr_get */
NULL, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc) PyProcess_init, /* tp_init */
};
static PyTypeObject PyIconType =
{
PyVarObject_HEAD_INIT (NULL, 0)
"_frida.Icon", /* tp_name */
sizeof (PyIcon), /* tp_basicsize */
0, /* tp_itemsize */
(destructor) PyIcon_dealloc, /* tp_dealloc */
NULL, /* tp_print */
NULL, /* tp_getattr */
NULL, /* tp_setattr */
NULL, /* tp_compare */
(reprfunc) PyIcon_repr, /* tp_repr */
NULL, /* tp_as_number */
NULL, /* tp_as_sequence */
NULL, /* tp_as_mapping */
NULL, /* tp_hash */
NULL, /* tp_call */
NULL, /* tp_str */
NULL, /* tp_getattro */
NULL, /* tp_setattro */
NULL, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Frida Icon", /* tp_doc */
NULL, /* tp_traverse */
NULL, /* tp_clear */
NULL, /* tp_richcompare */
0, /* tp_weaklistoffset */
NULL, /* tp_iter */
NULL, /* tp_iternext */
NULL, /* tp_methods */
PyIcon_members, /* tp_members */
NULL, /* tp_getset */
NULL, /* tp_base */
NULL, /* tp_dict */
NULL, /* tp_descr_get */
NULL, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc) PyIcon_init, /* tp_init */
};
static PyTypeObject PySessionType =
{
PyVarObject_HEAD_INIT (NULL, 0)
"_frida.Session", /* tp_name */
sizeof (PySession), /* tp_basicsize */
0, /* tp_itemsize */
(destructor) PySession_dealloc, /* tp_dealloc */
NULL, /* tp_print */
NULL, /* tp_getattr */
NULL, /* tp_setattr */
NULL, /* tp_compare */
NULL, /* tp_repr */
NULL, /* tp_as_number */
NULL, /* tp_as_sequence */
NULL, /* tp_as_mapping */
NULL, /* tp_hash */
NULL, /* tp_call */
NULL, /* tp_str */
NULL, /* tp_getattro */
NULL, /* tp_setattro */
NULL, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Frida Session", /* tp_doc */
NULL, /* tp_traverse */
NULL, /* tp_clear */
NULL, /* tp_richcompare */
0, /* tp_weaklistoffset */
NULL, /* tp_iter */
NULL, /* tp_iternext */
PySession_methods, /* tp_methods */
NULL, /* tp_members */
NULL, /* tp_getset */
NULL, /* tp_base */
NULL, /* tp_dict */
NULL, /* tp_descr_get */
NULL, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc) PySession_init, /* tp_init */
};
static PyTypeObject PyScriptType =
{
PyVarObject_HEAD_INIT (NULL, 0)
"_frida.Script", /* tp_name */
sizeof (PyScript), /* tp_basicsize */
0, /* tp_itemsize */
(destructor) PyScript_dealloc, /* tp_dealloc */
NULL, /* tp_print */
NULL, /* tp_getattr */
NULL, /* tp_setattr */
NULL, /* tp_compare */
NULL, /* tp_repr */
NULL, /* tp_as_number */
NULL, /* tp_as_sequence */
NULL, /* tp_as_mapping */
NULL, /* tp_hash */
NULL, /* tp_call */
NULL, /* tp_str */
NULL, /* tp_getattro */
NULL, /* tp_setattro */
NULL, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Frida Script", /* tp_doc */
NULL, /* tp_traverse */
NULL, /* tp_clear */
NULL, /* tp_richcompare */
0, /* tp_weaklistoffset */
NULL, /* tp_iter */
NULL, /* tp_iternext */
PyScript_methods, /* tp_methods */
NULL, /* tp_members */
NULL, /* tp_getset */
NULL, /* tp_base */
NULL, /* tp_dict */
NULL, /* tp_descr_get */
NULL, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc) PyScript_init, /* tp_init */
};
static int
PyDeviceManager_init (PyDeviceManager * self)
{
self->handle = frida_device_manager_new ();
self->on_changed = NULL;
g_object_set_data (G_OBJECT (self->handle), "pyobject", self);
return 0;
}
static void
PyDeviceManager_dealloc (PyDeviceManager * self)
{
if (self->on_changed != NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PyDeviceManager_on_changed), self);
g_list_free_full (self->on_changed, (GDestroyNotify) Py_DecRef);
}
if (self->handle != NULL)
{
g_object_set_data (G_OBJECT (self->handle), "pyobject", NULL);
Py_BEGIN_ALLOW_THREADS
g_object_unref (self->handle);
Py_END_ALLOW_THREADS
}
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
PyDeviceManager_close (PyDeviceManager * self)
{
Py_BEGIN_ALLOW_THREADS
frida_device_manager_close_sync (self->handle);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
static PyObject *
PyDeviceManager_enumerate_devices (PyDeviceManager * self)
{
GError * error = NULL;
FridaDeviceList * result;
gint result_length, i;
PyObject * devices;
Py_BEGIN_ALLOW_THREADS
result = frida_device_manager_enumerate_devices_sync (self->handle, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
result_length = frida_device_list_size (result);
devices = PyList_New (result_length);
for (i = 0; i != result_length; i++)
{
PyList_SET_ITEM (devices, i, PyDevice_from_handle (frida_device_list_get (result, i)));
}
g_object_unref (result);
return devices;
}
static PyObject *
PyDeviceManager_on (PyDeviceManager * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "changed") == 0)
{
if (self->on_changed == NULL)
{
g_signal_connect_swapped (self->handle, "changed", G_CALLBACK (PyDeviceManager_on_changed), self);
}
Py_INCREF (callback);
self->on_changed = g_list_append (self->on_changed, callback);
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyDeviceManager_off (PyDeviceManager * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "changed") == 0)
{
GList * entry;
entry = g_list_find (self->on_changed, callback);
if (entry != NULL)
{
self->on_changed = g_list_delete_link (self->on_changed, entry);
Py_DECREF (callback);
}
else
{
PyErr_SetString (PyExc_ValueError, "unknown callback");
return NULL;
}
if (self->on_changed == NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PyDeviceManager_on_changed), self);
}
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static void
PyDeviceManager_on_changed (PyDeviceManager * self, FridaDeviceManager * handle)
{
PyGILState_STATE gstate;
gstate = PyGILState_Ensure ();
if (g_object_get_data (G_OBJECT (handle), "pyobject") == self)
{
GList * callbacks, * cur;
g_list_foreach (self->on_changed, (GFunc) Py_IncRef, NULL);
callbacks = g_list_copy (self->on_changed);
for (cur = callbacks; cur != NULL; cur = cur->next)
{
PyObject * result = PyObject_CallFunction ((PyObject *) cur->data, NULL);
if (result == NULL)
PyErr_Print ();
else
Py_DECREF (result);
}
g_list_free_full (callbacks, (GDestroyNotify) Py_DecRef);
}
PyGILState_Release (gstate);
}
static PyObject *
PyDevice_from_handle (FridaDevice * handle)
{
PyObject * device;
device = g_object_get_data (G_OBJECT (handle), "pyobject");
if (device == NULL)
{
PyDevice * dev;
device = PyObject_CallFunction ((PyObject *) &PyDeviceType, NULL);
dev = (PyDevice *) device;
dev->handle = handle;
dev->id = frida_device_get_id (handle);
dev->name = frida_device_get_name (handle);
dev->icon = PyIcon_from_handle (frida_device_get_icon (handle));
dev->type = PyFrida_device_type_to_string (frida_device_get_dtype (handle));
g_object_set_data (G_OBJECT (handle), "pyobject", device);
}
else
{
g_object_unref (handle);
Py_INCREF (device);
}
return device;
}
static int
PyDevice_init (PyDevice * self)
{
self->handle = NULL;
self->id = 0;
self->name = NULL;
self->icon = NULL;
self->type = NULL;
self->on_lost = NULL;
return 0;
}
static void
PyDevice_dealloc (PyDevice * self)
{
if (self->on_lost != NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PyDevice_on_lost), self);
g_list_free_full (self->on_lost, (GDestroyNotify) Py_DecRef);
}
Py_XDECREF (self->icon);
if (self->handle != NULL)
{
g_object_set_data (G_OBJECT (self->handle), "pyobject", NULL);
Py_BEGIN_ALLOW_THREADS
g_object_unref (self->handle);
Py_END_ALLOW_THREADS
}
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
PyDevice_repr (PyDevice * self)
{
return PyRepr_FromFormat ("Device(id=%u, name=\"%s\", type='%s')", self->id, self->name, self->type);
}
static PyObject *
PyDevice_enumerate_processes (PyDevice * self)
{
GError * error = NULL;
FridaProcessList * result;
gint result_length, i;
PyObject * processes;
Py_BEGIN_ALLOW_THREADS
result = frida_device_enumerate_processes_sync (self->handle, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
result_length = frida_process_list_size (result);
processes = PyList_New (result_length);
for (i = 0; i != result_length; i++)
{
PyList_SET_ITEM (processes, i, PyProcess_from_handle (frida_process_list_get (result, i)));
}
g_object_unref (result);
return processes;
}
static PyObject *
PyDevice_spawn (PyDevice * self, PyObject * args)
{
const char * command_line;
gint argc;
gchar ** argv;
gchar ** envp;
gint envp_length;
GError * error = NULL;
guint pid;
if (!PyArg_ParseTuple (args, "s", &command_line))
return NULL;
if (!g_shell_parse_argv (command_line, &argc, &argv, &error))
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
#ifdef HAVE_MAC
envp = *_NSGetEnviron ();
envp_length = g_strv_length (envp);
#else
envp = NULL;
envp_length = 0;
#endif
Py_BEGIN_ALLOW_THREADS
pid = frida_device_spawn_sync (self->handle, argv[0], argv, argc, envp, envp_length, &error);
Py_END_ALLOW_THREADS
g_strfreev (argv);
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
return PyLong_FromLong (pid);
}
static PyObject *
PyDevice_resume (PyDevice * self, PyObject * args)
{
long pid;
GError * error = NULL;
if (!PyArg_ParseTuple (args, "l", &pid))
return NULL;
Py_BEGIN_ALLOW_THREADS
frida_device_resume_sync (self->handle, (guint) pid, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyDevice_attach (PyDevice * self, PyObject * args)
{
long pid;
GError * error = NULL;
FridaSession * handle;
if (!PyArg_ParseTuple (args, "l", &pid))
return NULL;
Py_BEGIN_ALLOW_THREADS
handle = frida_device_attach_sync (self->handle, (guint) pid, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
return PySession_from_handle (handle);
}
static PyObject *
PyDevice_on (PyDevice * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "lost") == 0)
{
if (self->on_lost == NULL)
{
g_signal_connect_swapped (self->handle, "lost", G_CALLBACK (PyDevice_on_lost), self);
}
Py_INCREF (callback);
self->on_lost = g_list_append (self->on_lost, callback);
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyDevice_off (PyDevice * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "lost") == 0)
{
GList * entry;
entry = g_list_find (self->on_lost, callback);
if (entry != NULL)
{
self->on_lost = g_list_delete_link (self->on_lost, entry);
Py_DECREF (callback);
}
else
{
PyErr_SetString (PyExc_ValueError, "unknown callback");
return NULL;
}
if (self->on_lost == NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PyDevice_on_lost), self);
}
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static void
PyDevice_on_lost (PyDevice * self, FridaDevice * handle)
{
PyGILState_STATE gstate;
gstate = PyGILState_Ensure ();
if (g_object_get_data (G_OBJECT (handle), "pyobject") == self)
{
GList * callbacks, * cur;
g_list_foreach (self->on_lost, (GFunc) Py_IncRef, NULL);
callbacks = g_list_copy (self->on_lost);
for (cur = callbacks; cur != NULL; cur = cur->next)
{
PyObject * result = PyObject_CallFunction ((PyObject *) cur->data, NULL);
if (result == NULL)
PyErr_Print ();
else
Py_DECREF (result);
}
g_list_free_full (callbacks, (GDestroyNotify) Py_DecRef);
}
PyGILState_Release (gstate);
}
static PyObject *
PyProcess_from_handle (FridaProcess * handle)
{
PyObject * result;
PyProcess * process;
result = PyObject_CallFunction ((PyObject *) &PyProcessType, NULL);
process = (PyProcess *) result;
process->handle = handle;
process->pid = frida_process_get_pid (handle);
process->name = frida_process_get_name (handle);
return result;
}
static int
PyProcess_init (PyProcess * self)
{
self->handle = NULL;
self->pid = 0;
self->name = NULL;
return 0;
}
static void
PyProcess_dealloc (PyProcess * self)
{
if (self->handle != NULL)
g_object_unref (self->handle);
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
PyProcess_repr (PyProcess * self)
{
return PyRepr_FromFormat ("Process(pid=%u, name=\"%s\")", self->pid, self->name);
}
static PyObject *
PyProcess_get_small_icon (PyProcess * self)
{
return PyIcon_from_handle (frida_process_get_small_icon (self->handle));
}
static PyObject *
PyProcess_get_large_icon (PyProcess * self)
{
return PyIcon_from_handle (frida_process_get_large_icon (self->handle));
}
static PyObject *
PyIcon_from_handle (FridaIcon * handle)
{
if (handle != NULL)
{
PyObject * result;
PyIcon * icon;
guint8 * pixels;
gint pixels_length;
result = PyObject_CallFunction ((PyObject *) &PyIconType, NULL);
icon = (PyIcon *) result;
icon->width = frida_icon_get_width (handle);
icon->height = frida_icon_get_height (handle);
icon->rowstride = frida_icon_get_rowstride (handle);
pixels = frida_icon_get_pixels (handle, &pixels_length);
icon->pixels = PyBytes_FromStringAndSize ((char *) pixels, (Py_ssize_t) pixels_length);
return result;
}
Py_RETURN_NONE;
}
static int
PyIcon_init (PyIcon * self)
{
self->width = 0;
self->height = 0;
self->rowstride = 0;
self->pixels = NULL;
return 0;
}
static void
PyIcon_dealloc (PyIcon * self)
{
Py_XDECREF (self->pixels);
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
PyIcon_repr (PyIcon * self)
{
return PyRepr_FromFormat ("Icon(width=%d, height=%d, rowstride=%d, pixels=<%zd bytes>)", self->width, self->height, self->rowstride, PyBytes_Size (self->pixels));
}
static PyObject *
PySession_from_handle (FridaSession * handle)
{
PyObject * session;
session = g_object_get_data (G_OBJECT (handle), "pyobject");
if (session == NULL)
{
session = PyObject_CallFunction ((PyObject *) &PySessionType, NULL);
((PySession *) session)->handle = handle;
g_object_set_data (G_OBJECT (handle), "pyobject", session);
}
else
{
g_object_unref (handle);
Py_INCREF (session);
}
return session;
}
static int
PySession_init (PySession * self)
{
self->handle = NULL;
self->on_detached = NULL;
return 0;
}
static void
PySession_dealloc (PySession * self)
{
if (self->on_detached != NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PySession_on_detached), self);
g_list_free_full (self->on_detached, (GDestroyNotify) Py_DecRef);
}
if (self->handle != NULL)
{
g_object_set_data (G_OBJECT (self->handle), "pyobject", NULL);
Py_BEGIN_ALLOW_THREADS
g_object_unref (self->handle);
Py_END_ALLOW_THREADS
}
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
PySession_detach (PySession * self)
{
Py_BEGIN_ALLOW_THREADS
frida_session_detach_sync (self->handle);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
static PyObject *
PySession_create_script (PySession * self, PyObject * args)
{
const char * source;
GError * error = NULL;
FridaScript * handle;
if (!PyArg_ParseTuple (args, "s", &source))
return NULL;
Py_BEGIN_ALLOW_THREADS
handle = frida_session_create_script_sync (self->handle, source, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
return PyScript_from_handle (handle);
}
static PyObject *
PySession_on (PySession * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "detached") == 0)
{
if (self->on_detached == NULL)
{
g_signal_connect_swapped (self->handle, "detached", G_CALLBACK (PySession_on_detached), self);
}
Py_INCREF (callback);
self->on_detached = g_list_append (self->on_detached, callback);
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PySession_off (PySession * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "detached") == 0)
{
GList * entry;
entry = g_list_find (self->on_detached, callback);
if (entry != NULL)
{
self->on_detached = g_list_delete_link (self->on_detached, entry);
Py_DECREF (callback);
}
else
{
PyErr_SetString (PyExc_ValueError, "unknown callback");
return NULL;
}
if (self->on_detached == NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PySession_on_detached), self);
}
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static void
PySession_on_detached (PySession * self, FridaSession * handle)
{
PyGILState_STATE gstate;
gstate = PyGILState_Ensure ();
if (g_object_get_data (G_OBJECT (handle), "pyobject") == self)
{
GList * callbacks, * cur;
g_list_foreach (self->on_detached, (GFunc) Py_IncRef, NULL);
callbacks = g_list_copy (self->on_detached);
for (cur = callbacks; cur != NULL; cur = cur->next)
{
PyObject * result = PyObject_CallFunction ((PyObject *) cur->data, NULL);
if (result == NULL)
PyErr_Print ();
else
Py_DECREF (result);
}
g_list_free_full (callbacks, (GDestroyNotify) Py_DecRef);
}
PyGILState_Release (gstate);
}
static PyObject *
PyScript_from_handle (FridaScript * handle)
{
PyObject * script;
script = g_object_get_data (G_OBJECT (handle), "pyobject");
if (script == NULL)
{
script = PyObject_CallFunction ((PyObject *) &PyScriptType, NULL);
((PyScript *) script)->handle = handle;
g_object_set_data (G_OBJECT (handle), "pyobject", script);
}
else
{
g_object_unref (handle);
Py_INCREF (script);
}
return script;
}
static int
PyScript_init (PyScript * self)
{
self->handle = NULL;
self->on_message = NULL;
return 0;
}
static void
PyScript_dealloc (PyScript * self)
{
if (self->on_message != NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PyScript_on_message), self);
g_list_free_full (self->on_message, (GDestroyNotify) Py_DecRef);
}
if (self->handle != NULL)
{
g_object_set_data (G_OBJECT (self->handle), "pyobject", NULL);
Py_BEGIN_ALLOW_THREADS
g_object_unref (self->handle);
Py_END_ALLOW_THREADS
}
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
PyScript_load (PyScript * self)
{
GError * error = NULL;
Py_BEGIN_ALLOW_THREADS
frida_script_load_sync (self->handle, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyScript_unload (PyScript * self)
{
GError * error = NULL;
Py_BEGIN_ALLOW_THREADS
frida_script_unload_sync (self->handle, &error);
Py_END_ALLOW_THREADS
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyScript_post_message (PyScript * self, PyObject * args)
{
PyObject * message_object, * message_json;
char * message_utf8;
GError * error = NULL;
if (!PyArg_ParseTuple (args, "O", &message_object))
return NULL;
message_json = PyObject_CallFunction (json_dumps, "O", message_object);
if (message_json == NULL)
return NULL;
#if PY_MAJOR_VERSION >= 3
{
PyObject * message_bytes;
message_bytes = PyUnicode_AsUTF8String (message_json);
Py_DECREF (message_json);
message_json = message_bytes;
message_utf8 = PyBytes_AsString (message_bytes);
}
#else
message_utf8 = PyString_AsString (message_json);
#endif
Py_BEGIN_ALLOW_THREADS
frida_script_post_message_sync (self->handle, message_utf8, &error);
Py_END_ALLOW_THREADS
Py_DECREF (message_json);
if (error != NULL)
{
PyErr_SetString (PyExc_SystemError, error->message);
g_error_free (error);
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyScript_on (PyScript * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "message") == 0)
{
if (self->on_message == NULL)
{
g_signal_connect_swapped (self->handle, "message", G_CALLBACK (PyScript_on_message), self);
}
Py_INCREF (callback);
self->on_message = g_list_append (self->on_message, callback);
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
PyScript_off (PyScript * self, PyObject * args)
{
const char * signal;
PyObject * callback;
if (!PyFrida_parse_signal_method_args (args, &signal, &callback))
return NULL;
if (strcmp (signal, "message") == 0)
{
GList * entry;
entry = g_list_find (self->on_message, callback);
if (entry != NULL)
{
self->on_message = g_list_delete_link (self->on_message, entry);
Py_DECREF (callback);
}
else
{
PyErr_SetString (PyExc_ValueError, "unknown callback");
return NULL;
}
if (self->on_message == NULL)
{
g_signal_handlers_disconnect_by_func (self->handle, FRIDA_FUNCPTR_TO_POINTER (PyScript_on_message), self);
}
}
else
{
PyErr_SetString (PyExc_NotImplementedError, "unsupported signal");
return NULL;
}
Py_RETURN_NONE;
}
static void
PyScript_on_message (PyScript * self, const gchar * message, const gchar * data, gint data_size, FridaScript * handle)
{
PyGILState_STATE gstate;
gstate = PyGILState_Ensure ();
if (g_object_get_data (G_OBJECT (handle), "pyobject") == self)
{
GList * callbacks, * cur;
PyObject * args, * message_object;
g_list_foreach (self->on_message, (GFunc) Py_IncRef, NULL);
callbacks = g_list_copy (self->on_message);
message_object = PyObject_CallFunction (json_loads, "s", message);
g_assert (message_object != NULL);
#if PY_MAJOR_VERSION >= 3
args = Py_BuildValue ("Oy#", message_object, data, data_size);
#else
args = Py_BuildValue ("Os#", message_object, data, data_size);
#endif
Py_DECREF (message_object);
for (cur = callbacks; cur != NULL; cur = cur->next)
{
PyObject * result = PyObject_CallObject ((PyObject *) cur->data, args);
if (result == NULL)
PyErr_Print ();
else
Py_DECREF (result);
}
Py_DECREF (args);
g_list_free_full (callbacks, (GDestroyNotify) Py_DecRef);
}
PyGILState_Release (gstate);
}
static const gchar *
PyFrida_device_type_to_string (FridaDeviceType type)
{
switch (type)
{
case FRIDA_DEVICE_TYPE_LOCAL:
return "local";
case FRIDA_DEVICE_TYPE_TETHER:
return "tether";
case FRIDA_DEVICE_TYPE_REMOTE:
return "remote";
default:
g_assert_not_reached ();
}
}
static gboolean
PyFrida_parse_signal_method_args (PyObject * args, const char ** signal, PyObject ** callback)
{
if (!PyArg_ParseTuple (args, "sO", signal, callback))
return FALSE;
if (!PyCallable_Check (*callback))
{
PyErr_SetString (PyExc_TypeError, "second argument must be callable");
return FALSE;
}
return TRUE;
}
MOD_INIT (_frida)
{
PyObject * json;
PyObject * module;
PyEval_InitThreads ();
json = PyImport_ImportModule ("json");
json_loads = PyObject_GetAttrString (json, "loads");
json_dumps = PyObject_GetAttrString (json, "dumps");
Py_DECREF (json);
frida_init ();
PyDeviceManagerType.tp_new = PyType_GenericNew;
if (PyType_Ready (&PyDeviceManagerType) < 0)
return MOD_ERROR_VAL;
PyDeviceType.tp_new = PyType_GenericNew;
if (PyType_Ready (&PyDeviceType) < 0)
return MOD_ERROR_VAL;
PyProcessType.tp_new = PyType_GenericNew;
if (PyType_Ready (&PyProcessType) < 0)
return MOD_ERROR_VAL;
PyIconType.tp_new = PyType_GenericNew;
if (PyType_Ready (&PyIconType) < 0)
return MOD_ERROR_VAL;
PySessionType.tp_new = PyType_GenericNew;
if (PyType_Ready (&PySessionType) < 0)
return MOD_ERROR_VAL;
PyScriptType.tp_new = PyType_GenericNew;
if (PyType_Ready (&PyScriptType) < 0)
return MOD_ERROR_VAL;
MOD_DEF (module, "_frida", "Frida", NULL);
Py_INCREF (&PyDeviceManagerType);
PyModule_AddObject (module, "DeviceManager", (PyObject *) &PyDeviceManagerType);
Py_INCREF (&PyDeviceType);
PyModule_AddObject (module, "Device", (PyObject *) &PyDeviceType);
Py_INCREF (&PyProcessType);
PyModule_AddObject (module, "Process", (PyObject *) &PyProcessType);
Py_INCREF (&PyIconType);
PyModule_AddObject (module, "Icon", (PyObject *) &PyIconType);
Py_INCREF (&PySessionType);
PyModule_AddObject (module, "Session", (PyObject *) &PySessionType);
Py_INCREF (&PyScriptType);
PyModule_AddObject (module, "Script", (PyObject *) &PyScriptType);
return MOD_SUCCESS_VAL (module);
}
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