diff options
Diffstat (limited to 'plugins/pychrysalide/analysis/scan/patterns/backends')
7 files changed, 681 insertions, 0 deletions
diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/Makefile.am b/plugins/pychrysalide/analysis/scan/patterns/backends/Makefile.am new file mode 100644 index 0000000..cccfc2d --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/Makefile.am @@ -0,0 +1,15 @@ + +noinst_LTLIBRARIES = libpychrysaanalysisscanpatternsbackends.la + +libpychrysaanalysisscanpatternsbackends_la_SOURCES = \ + acism.h acism.c \ + bitap.h bitap.c \ + module.h module.c + +libpychrysaanalysisscanpatternsbackends_la_CFLAGS = $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) $(TOOLKIT_CFLAGS) \ + -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT + + +devdir = $(includedir)/chrysalide/$(subdir) + +dev_HEADERS = $(libpychrysaanalysisscanpatternsbackends_la_SOURCES:%c=) diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/acism.c b/plugins/pychrysalide/analysis/scan/patterns/backends/acism.c new file mode 100644 index 0000000..56d0b55 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/acism.c @@ -0,0 +1,214 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * acism.c - équivalent Python du fichier "analysis/scan/patterns/backends/acism.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 "acism.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/scan/patterns/backends/acism-int.h> + + +#include "../backend.h" +#include "../../../../access.h" +#include "../../../../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(acism_backend, G_TYPE_ACISM_BACKEND); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_acism_backend_init(PyObject *, 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_acism_backend_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define ACISM_BACKEND_DOC \ + "A *AcismBackend* class provide an implementation of the Aho-Corasick" \ + " search algorithm with Interleaved State-transition Matrix (ACISM)." \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " AcismBackend()" \ + "\n" \ + "See the relative white paper for more information:" \ + " https://docs.google.com/document/d/1e9Qbn22__togYgQ7PNyCz3YzIIVPKvrf8PCrFa74IFM" + + /* Initialisation d'un objet GLib */ + + ret = forward_pygobjet_init(self); + if (ret == -1) return -1; + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Fournit un accès à une définition de type à diffuser. * +* * +* Retour : Définition d'objet pour Python. * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyTypeObject *get_python_acism_backend_type(void) +{ + static PyMethodDef py_acism_backend_methods[] = { + { NULL } + }; + + static PyGetSetDef py_acism_backend_getseters[] = { + { NULL } + }; + + static PyTypeObject py_acism_backend_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.backends.AcismBackend", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = ACISM_BACKEND_DOC, + + .tp_methods = py_acism_backend_methods, + .tp_getset = py_acism_backend_getseters, + + .tp_init = py_acism_backend_init, + .tp_new = py_acism_backend_new, + + }; + + return &py_acism_backend_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....AcismBackend'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_acism_backend_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'AcismBackend'*/ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_acism_backend_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.backends"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_engine_backend_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_ACISM_BACKEND, 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 méthode de recherche ACISM. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_acism_backend(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_acism_backend_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 ACISM backend"); + break; + + case 1: + *((GAcismBackend **)dst) = G_ACISM_BACKEND(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/acism.h b/plugins/pychrysalide/analysis/scan/patterns/backends/acism.h new file mode 100644 index 0000000..9ed61fa --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/acism.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * acism.h - prototypes pour l'équivalent Python du fichier "analysis/scan/patterns/backends/acism.h" + * + * 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 + */ + + +#ifndef _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_ACISM_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_ACISM_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_acism_backend_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.backends.AcismBackend'. */ +bool ensure_python_acism_backend_is_registered(void); + +/* Tente de convertir en méthode de recherche ACISM. */ +int convert_to_acism_backend(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_ACISM_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/bitap.c b/plugins/pychrysalide/analysis/scan/patterns/backends/bitap.c new file mode 100644 index 0000000..c910f26 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/bitap.c @@ -0,0 +1,214 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * bitap.c - équivalent Python du fichier "analysis/scan/patterns/backends/bitap.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 "bitap.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/scan/patterns/backends/bitap-int.h> + + +#include "../backend.h" +#include "../../../../access.h" +#include "../../../../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(bitap_backend, G_TYPE_BITAP_BACKEND); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_bitap_backend_init(PyObject *, 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_bitap_backend_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define BITAP_BACKEND_DOC \ + "A *BitapBackend* class provide an implementation of the Bitap" \ + " search algorithm." \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " BitapBackend()" \ + "\n" \ + "See the relative white paper for more information:" \ + " https://en.wikipedia.org/wiki/Bitap_algorithm" + + /* Initialisation d'un objet GLib */ + + ret = forward_pygobjet_init(self); + if (ret == -1) return -1; + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Fournit un accès à une définition de type à diffuser. * +* * +* Retour : Définition d'objet pour Python. * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyTypeObject *get_python_bitap_backend_type(void) +{ + static PyMethodDef py_bitap_backend_methods[] = { + { NULL } + }; + + static PyGetSetDef py_bitap_backend_getseters[] = { + { NULL } + }; + + static PyTypeObject py_bitap_backend_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.backends.BitapBackend", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = BITAP_BACKEND_DOC, + + .tp_methods = py_bitap_backend_methods, + .tp_getset = py_bitap_backend_getseters, + + .tp_init = py_bitap_backend_init, + .tp_new = py_bitap_backend_new, + + }; + + return &py_bitap_backend_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....BitapBackend'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_bitap_backend_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'BitapBackend'*/ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_bitap_backend_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.backends"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_engine_backend_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_BITAP_BACKEND, 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 méthode de recherche BITAP. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_bitap_backend(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_bitap_backend_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 Bitap backend"); + break; + + case 1: + *((GBitapBackend **)dst) = G_BITAP_BACKEND(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/bitap.h b/plugins/pychrysalide/analysis/scan/patterns/backends/bitap.h new file mode 100644 index 0000000..f7853d4 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/bitap.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * bitap.h - prototypes pour l'équivalent Python du fichier "analysis/scan/patterns/backends/bitap.h" + * + * 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 + */ + + +#ifndef _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_BITAP_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_BITAP_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_bitap_backend_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.backends.BitapBackend'. */ +bool ensure_python_bitap_backend_is_registered(void); + +/* Tente de convertir en méthode de recherche Bitap. */ +int convert_to_bitap_backend(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_BITAP_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/module.c b/plugins/pychrysalide/analysis/scan/patterns/backends/module.c new file mode 100644 index 0000000..f4a0293 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/module.c @@ -0,0 +1,106 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.c - intégration du répertoire backends en tant que module + * + * 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 "module.h" + + +#include <assert.h> + + +#include "acism.h" +#include "bitap.h" +#include "../../../../helpers.h" + + + +/****************************************************************************** +* * +* Paramètres : super = module dont la définition est à compléter. * +* * +* Description : Ajoute le module 'analysis.....backends' à un module Python. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool add_analysis_scan_patterns_backends_module(PyObject *super) +{ + bool result; /* Bilan à retourner */ + PyObject *module; /* Sous-module mis en place */ + +#define PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_MODULE_DOC \ + "This module provide all the features useful for scanning" \ + " binary contents." + + static PyModuleDef py_chrysalide_analysis_scan_patterns_backends_module = { + + .m_base = PyModuleDef_HEAD_INIT, + + .m_name = "pychrysalide.analysis.scan.patterns.backends", + .m_doc = PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_MODULE_DOC, + + .m_size = -1, + + }; + + module = build_python_module(super, &py_chrysalide_analysis_scan_patterns_backends_module); + + result = (module != NULL); + + if (!result) + Py_XDECREF(module); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Intègre les objets du module 'analysis....patterns.backends'.* +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool populate_analysis_scan_patterns_backends_module(void) +{ + bool result; /* Bilan à retourner */ + + result = true; + + if (result) result = ensure_python_acism_backend_is_registered(); + if (result) result = ensure_python_bitap_backend_is_registered(); + + assert(result); + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/backends/module.h b/plugins/pychrysalide/analysis/scan/patterns/backends/module.h new file mode 100644 index 0000000..ab1aad5 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/backends/module.h @@ -0,0 +1,42 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.h - prototypes pour l'intégration du répertoire backends en tant que module + * + * 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 + */ + + +#ifndef _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_MODULE_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_MODULE_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Ajoute le module 'analysis.scan.patterns.backends' à un module Python. */ +bool add_analysis_scan_patterns_backends_module(PyObject *); + +/* Intègre les objets du module 'analysis.scan.patterns.backends'. */ +bool populate_analysis_scan_patterns_backends_module(void); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_BACKENDS_MODULE_H */ |