/* 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 #include #include #include #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" \ " 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; }