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/* Chrysalide - Outil d'analyse de fichiers binaires
* format.c - équivalent Python du fichier "plugins/elf/format.c"
*
* Copyright (C) 2013-2017 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Chrysalide 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "format.h"
#include <pygobject.h>
#include <i18n.h>
#include <format/executable.h>
#include <analysis/content.h>
#include <plugins/pychrysa/helpers.h>
#include <plugins/pychrysa/analysis/content.h>
#include <plugins/pychrysa/format/executable.h>
#include "constants.h"
#include "dynamic.h"
#include "../format.h"
/* Crée un nouvel objet Python de type 'ElfFormat'. */
static PyObject *py_elf_format_new(PyTypeObject *, PyObject *, PyObject *);
/******************************************************************************
* *
* Paramètres : type = type de l'objet à instancier. *
* args = arguments fournis à l'appel. *
* kwds = arguments de type key=val fournis. *
* *
* Description : Crée un nouvel objet Python de type 'ElfFormat'. *
* *
* Retour : Instance Python mise en place. *
* *
* Remarques : - *
* *
******************************************************************************/
static PyObject *py_elf_format_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
PyObject *result; /* Instance à retourner */
PyObject *content_obj; /* Objet pour le contenu */
PyObject *parent_obj; /* Objet pour le parent */
PyObject *status_obj; /* Objet pour la progression */
int ret; /* Bilan de lecture des args. */
GBinContent *content; /* Instance GLib du contenu */
GExeFormat *parent; /* Instance GLib du parent */
GtkStatusStack *status; /* Instance GTK de suivi */
GBinFormat *format; /* Création GLib à transmettre */
parent_obj = Py_None;
status_obj = Py_None;
ret = PyArg_ParseTuple(args, "O|OO", &content_obj, &parent_obj, &status_obj);
if (!ret) return NULL;
ret = PyObject_IsInstance(content_obj, (PyObject *)get_python_binary_content_type());
if (!ret)
{
PyErr_SetString(PyExc_TypeError, _("The first argument must be an instance of BinContent."));
return NULL;
}
content = G_BIN_CONTENT(pygobject_get(content_obj));
if (parent_obj == Py_None)
parent = NULL;
else
{
ret = PyObject_IsInstance(parent_obj, (PyObject *)get_python_executable_format_type());
if (!ret)
{
PyErr_SetString(PyExc_TypeError, _("The second argument must be a container format or None."));
return NULL;
}
parent = G_EXE_FORMAT(pygobject_get(parent_obj));
}
if (status_obj == Py_None)
status = NULL;
else
{
ret = PyObject_IsInstance(status_obj, (PyObject *)get_python_binary_content_type());
if (!ret)
{
PyErr_SetString(PyExc_TypeError, _("The third argument must be a status bar object or None."));
return NULL;
}
status = GTK_STATUS_STACK(pygobject_get(status_obj));
}
format = g_elf_format_new(content, parent, status);
if (format == NULL)
{
PyErr_SetString(PyExc_RuntimeError, _("Unable to load the ELF format."));
return NULL;
}
result = pygobject_new(G_OBJECT(format));
g_object_unref(format);
return (PyObject *)result;
}
/******************************************************************************
* *
* Paramètres : - *
* *
* Description : Fournit un accès à une définition de type à diffuser. *
* *
* Retour : Définition d'objet pour Python. *
* *
* Remarques : - *
* *
******************************************************************************/
PyTypeObject *get_python_elf_format_type(void)
{
static PyMethodDef py_elf_format_methods[] = {
{ NULL }
};
static PyGetSetDef py_elf_format_getseters[] = {
{
"needed", py_elf_format_get_needed, NULL,
"Provide the list of requiered shared objects.", NULL
},
{ NULL }
};
static PyTypeObject py_elf_format_type = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "pychrysalide.format.elf.ElfFormat",
.tp_basicsize = sizeof(PyGObject),
.tp_flags = Py_TPFLAGS_DEFAULT,
.tp_doc = "PyChrysalide Elf format",
.tp_methods = py_elf_format_methods,
.tp_getset = py_elf_format_getseters,
.tp_new = (newfunc)py_elf_format_new
};
return &py_elf_format_type;
}
/******************************************************************************
* *
* Paramètres : module = module dont la définition est à compléter. *
* *
* Description : Prend en charge l'objet 'pychrysalide.format.elf.ElfFormat'. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool register_python_elf_format(PyObject *module)
{
PyTypeObject *py_elf_format_type; /* Type Python 'ElfFormat' */
PyObject *dict; /* Dictionnaire du module */
py_elf_format_type = get_python_elf_format_type();
dict = PyModule_GetDict(module);
if (!register_class_for_pygobject(dict, G_TYPE_ELF_FORMAT,
py_elf_format_type, get_python_executable_format_type()))
return false;
if (!define_python_binary_format_constants(py_elf_format_type))
return false;
return true;
}
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