/* Chrysalide - Outil d'analyse de fichiers binaires
* restricted.c - prototypes pour l'équivalent Python du fichier "analysis/contents/restricted.c"
*
* Copyright (C) 2018-2019 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 "restricted.h"
#include <pygobject.h>
#include <i18n.h>
#include <i18n.h>
#include <analysis/contents/restricted-int.h>
#include "../content.h"
#include "../../access.h"
#include "../../helpers.h"
#include "../../arch/vmpa.h"
CREATE_DYN_CONSTRUCTOR(restricted_content, G_TYPE_RESTRICTED_CONTENT);
/* Initialise une instance sur la base du dérivé de GObject. */
static int py_restricted_content_init(PyObject *, PyObject *, PyObject *);
/* Indique l'espace de restriction appliqué à un contenu. */
static PyObject *py_restricted_content_get_range(PyObject *, void *);
/******************************************************************************
* *
* Paramètres : self = objet à initialiser (théoriquement). *
* args = arguments fournis à l'appel. *
* kwds = arguments de type key=val fournis. *
* *
* Description : Initialise une instance sur la base du dérivé de GObject. *
* *
* Retour : 0. *
* *
* Remarques : - *
* *
******************************************************************************/
static int py_restricted_content_init(PyObject *self, PyObject *args, PyObject *kwds)
{
GBinContent *internal; /* Instance GLib correspondante*/
mrange_t range; /* Restriction à appliquer */
int ret; /* Bilan de lecture des args. */
GRestrictedContent *content; /* Version GLib du contenu */
#define RESTRICTED_CONTENT_DOC \
"RestrictedContent restricts access to a given area for a binary content." \
"\n" \
"Instances can be created using the following constructor:\n" \
"\n" \
" RestrictedContent(content, range)" \
"\n" \
"Where *content* is a pychrysalide.analysis.BinContent instance and *range*"\
" is a Python object which can be converted into pychrysalide.arch.mrange."
/* Récupération des paramètres */
ret = PyArg_ParseTuple(args, "O&O&", convert_to_binary_content, &internal, convert_any_to_mrange, &range);
if (!ret) return -1;
/* Initialisation d'un objet GLib */
ret = forward_pygobjet_init(self);
if (ret == -1) return -1;
/* Eléments de base */
content = G_RESTRICTED_CONTENT(pygobject_get(self));
if (!g_restricted_content_create(content, internal, &range))
{
PyErr_SetString(PyExc_ValueError, _("Unable to create restricted content."));
return -1;
}
return 0;
}
/******************************************************************************
* *
* Paramètres : self = objet Python concerné par l'appel. *
* closure = non utilisé ici. *
* *
* Description : Indique l'espace de restriction appliqué à un contenu. *
* *
* Retour : Couverture mémoire associée au contenu restreint. *
* *
* Remarques : - *
* *
******************************************************************************/
static PyObject *py_restricted_content_get_range(PyObject *self, void *closure)
{
PyObject *result; /* Valeur à retourner */
GRestrictedContent *content; /* Contenu binaire à consulter */
mrange_t range; /* Couverture à transmettre */
#define RESTRICTED_CONTENT_RANGE_ATTRIB PYTHON_GET_DEF_FULL \
( \
range, py_restricted_content, \
"Give the restricting range applied to a binary content." \
)
content = G_RESTRICTED_CONTENT(pygobject_get(self));
g_restricted_content_get_range(content, &range);
result = build_from_internal_mrange(&range);
return result;
}
/******************************************************************************
* *
* Paramètres : - *
* *
* Description : Fournit un accès à une définition de type à diffuser. *
* *
* Retour : Définition d'objet pour Python. *
* *
* Remarques : - *
* *
******************************************************************************/
PyTypeObject *get_python_restricted_content_type(void)
{
static PyMethodDef py_restricted_content_methods[] = {
{ NULL }
};
static PyGetSetDef py_restricted_content_getseters[] = {
RESTRICTED_CONTENT_RANGE_ATTRIB,
{ NULL }
};
static PyTypeObject py_restricted_content_type = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "pychrysalide.analysis.contents.RestrictedContent",
.tp_basicsize = sizeof(PyGObject),
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
.tp_doc = RESTRICTED_CONTENT_DOC,
.tp_methods = py_restricted_content_methods,
.tp_getset = py_restricted_content_getseters,
.tp_init = py_restricted_content_init,
.tp_new = py_restricted_content_new,
};
return &py_restricted_content_type;
}
/******************************************************************************
* *
* Paramètres : module = module dont la définition est à compléter. *
* *
* Description : Prend en charge l'objet 'pychrysalide.....RestrictedContent'.*
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool ensure_python_restricted_content_is_registered(void)
{
PyTypeObject *type; /* Type Python 'Restricted...' */
PyObject *module; /* Module à recompléter */
PyObject *dict; /* Dictionnaire du module */
type = get_python_restricted_content_type();
if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
{
module = get_access_to_python_module("pychrysalide.analysis.contents");
dict = PyModule_GetDict(module);
if (!ensure_python_binary_content_is_registered())
return false;
if (!register_class_for_pygobject(dict, G_TYPE_RESTRICTED_CONTENT, type))
return false;
}
return true;
}