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Diffstat (limited to 'plugins/pychrysalide/analysis/scan/space.c')
| -rw-r--r-- | plugins/pychrysalide/analysis/scan/space.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/plugins/pychrysalide/analysis/scan/space.c b/plugins/pychrysalide/analysis/scan/space.c new file mode 100644 index 0000000..6ea87b8 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/space.c @@ -0,0 +1,283 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * space.c - équivalent Python du fichier "analysis/scan/space.c" + * + * Copyright (C) 2022 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 "space.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/content.h> +#include <analysis/scan/item.h> +#include <analysis/scan/space-int.h> +#include <plugins/pychrysalide/access.h> +#include <plugins/pychrysalide/helpers.h> +#include <plugins/pychrysalide/analysis/content.h> + + +#include "item.h" + + + +CREATE_DYN_CONSTRUCTOR(scan_namespace, G_TYPE_SCAN_NAMESPACE); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_namespace_init(PyObject *, PyObject *, PyObject *); + +/* Intègre un nouvel élément dans l'esapce de noms. */ +static PyObject *py_scan_namespace_register_item(PyObject *, PyObject *); + + + +/****************************************************************************** +* * +* 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_scan_namespace_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + const char *name; /* Désignation de l'espace */ + int ret; /* Bilan de lecture des args. */ + GScanNamespace *space; /* Création GLib à transmettre */ + +#define SCAN_NAMESPACE_DOC \ + "ScanNamespace defines a group of properties and functions for a" \ + " given scan theme.\n" \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " ScanNamespace(name)" \ + "\n" \ + "Where *name* is a string providing the name of the new namespace." + + /* Récupération des paramètres */ + + ret = PyArg_ParseTuple(args, "s", &name); + if (!ret) return -1; + + /* Initialisation d'un objet GLib */ + + ret = forward_pygobjet_init(self); + if (ret == -1) return -1; + + /* Elément de base */ + + space = G_SCAN_NAMESPACE(pygobject_get(self)); + + if (!g_scan_namespace_create(space, name)) + { + PyErr_SetString(PyExc_ValueError, _("Unable to create scan namespace.")); + return -1; + } + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : self = objet représentant une table de chaînes. * +* args = arguments fournis pour l'opération. * +* * +* Description : Intègre un nouvel élément dans l'esapce de noms. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_scan_namespace_register_item(PyObject *self, PyObject *args) +{ + PyObject *result; /* Bilan à retourner */ + GScanRegisteredItem *item; /* Elément d'évaluation à lier */ + int ret; /* Bilan de lecture des args. */ + GScanNamespace *space; /* Version native */ + bool status; /* Bilan de l'opération */ + +#define SCAN_NAMESPACE_REGISTER_ITEM_METHOD PYTHON_METHOD_DEF \ +( \ + register_item, "$self, item, /", \ + METH_VARARGS, py_scan_namespace, \ + "Include an item into a namespace.\n" \ + "\n" \ + "The *item* argument has to be a pychrysalide.analysis.scan.RegisteredItem" \ + " instance.\n" \ + "\n" \ + "The function returns a boolean value translating the operation status:" \ + " *True* in case of success, *False* for a failure.\n" \ +) + + ret = PyArg_ParseTuple(args, "O&", convert_to_scan_registered_item, &item); + if (!ret) return NULL; + + space = G_SCAN_NAMESPACE(pygobject_get(self)); + + status = g_scan_namespace_register_item(space, item); + + result = status ? Py_True : Py_False; + Py_INCREF(result); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Fournit un accès à une définition de type à diffuser. * +* * +* Retour : Définition d'objet pour Python. * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyTypeObject *get_python_scan_namespace_type(void) +{ + static PyMethodDef py_scan_namespace_methods[] = { + SCAN_NAMESPACE_REGISTER_ITEM_METHOD, + { NULL } + }; + + static PyGetSetDef py_scan_namespace_getseters[] = { + { NULL } + }; + + static PyTypeObject py_scan_namespace_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.ScanNamespace", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = SCAN_NAMESPACE_DOC, + + .tp_methods = py_scan_namespace_methods, + .tp_getset = py_scan_namespace_getseters, + + .tp_init = py_scan_namespace_init, + .tp_new = py_scan_namespace_new, + + }; + + return &py_scan_namespace_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide...scan.ScanNamespace'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_namespace_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'ScanNamespace' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_namespace_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan"); + + dict = PyModule_GetDict(module); + + if (!register_class_for_pygobject(dict, G_TYPE_SCAN_NAMESPACE, type)) + return false; + + } + + return true; + +} + + +/****************************************************************************** +* * +* Paramètres : arg = argument quelconque à tenter de convertir. * +* dst = destination des valeurs récupérées en cas de succès. * +* * +* Description : Tente de convertir en espace de noms pour scan. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_namespace(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_namespace_type()); + + switch (result) + { + case -1: + /* L'exception est déjà fixée par Python */ + result = 0; + break; + + case 0: + PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to scan namespace"); + break; + + case 1: + *((GScanNamespace **)dst) = G_SCAN_NAMESPACE(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} |