diff options
Diffstat (limited to 'plugins/pychrysalide/analysis/scan/patterns')
15 files changed, 1682 insertions, 4 deletions
diff --git a/plugins/pychrysalide/analysis/scan/patterns/Makefile.am b/plugins/pychrysalide/analysis/scan/patterns/Makefile.am index 612f34b..dd26fa5 100644 --- a/plugins/pychrysalide/analysis/scan/patterns/Makefile.am +++ b/plugins/pychrysalide/analysis/scan/patterns/Makefile.am @@ -3,13 +3,15 @@ noinst_LTLIBRARIES = libpychrysaanalysisscanpatterns.la libpychrysaanalysisscanpatterns_la_SOURCES = \ backend.h backend.c \ + modifier.h modifier.c \ module.h module.c libpychrysaanalysisscanpatterns_la_LIBADD = \ - backends/libpychrysaanalysisscanpatternsbackends.la + backends/libpychrysaanalysisscanpatternsbackends.la \ + modifiers/libpychrysaanalysisscanpatternsmodifiers.la -libpychrysaanalysisscanpatterns_la_CFLAGS = $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) $(TOOLKIT_CFLAGS) \ - -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT +libpychrysaanalysisscanpatterns_la_CFLAGS = $(LIBPYTHON_INTERPRETER_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \ + $(TOOLKIT_CFLAGS) -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT devdir = $(includedir)/chrysalide/$(subdir) @@ -17,4 +19,4 @@ devdir = $(includedir)/chrysalide/$(subdir) dev_HEADERS = $(libpychrysaanalysisscanpatterns_la_SOURCES:%c=) -SUBDIRS = backends +SUBDIRS = backends modifiers diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifier.c b/plugins/pychrysalide/analysis/scan/patterns/modifier.c new file mode 100644 index 0000000..4cae011 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifier.c @@ -0,0 +1,324 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * modifier.c - équivalent Python du fichier "analysis/scan/modifier.c" + * + * Copyright (C) 2023 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 "modifier.h" + + +#include <pygobject.h> + + +#include <analysis/scan/patterns/modifier-int.h> + + +#include "../../../access.h" +#include "../../../helpers.h" + + + +CREATE_DYN_ABSTRACT_CONSTRUCTOR(scan_token_modifier, G_TYPE_SCAN_TOKEN_MODIFIER, NULL); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_token_modifier_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_scan_token_modifier_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define SCAN_TOKEN_MODIFIER_DOC \ + "An *TokenModifier* object is the root class of all modifiers" \ + " for byte patterns." + + /* Initialisation d'un objet GLib */ + + ret = forward_pygobjet_init(self); + if (ret == -1) return -1; + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : self = tampon de données à consulter. * +* args = arguments fournis pour la conduite de l'opération. * +* * +* Description : Transforme une séquence d'octets pour motif de recherche. * +* * +* Retour : Liste des nouvelle(s) séquence(s) d'octets obtenue(s). * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_scan_token_modifier_transform(PyObject *self, PyObject *args) +{ + PyObject *result; /* Bilan à faire remonter */ + const char *data; /* Séquence d'octets à traiter */ + Py_ssize_t len; /* Quantité de ces données */ + int ret; /* Bilan de lecture des args. */ + sized_binary_t src; /* Entrée au format adapté */ + GScanTokenModifier *modifier; /* Version native de l'instance*/ + sized_binary_t *dest; /* Liste des nouvelles chaînes */ + size_t count; /* Taille de cette liste */ + bool status; /* Bilan de l'opération */ + size_t i; /* Boucle de parcours */ + +#define SCAN_TOKEN_MODIFIER_TRANSFORM_METHOD PYTHON_METHOD_DEF \ +( \ + transform, "$self, data", \ + METH_VARARGS, py_scan_token_modifier, \ + "Transform data from a byte pattern for an incoming scan.\n" \ + "\n" \ + "The data has to be provided as bytes.\n" \ + "\n" \ + "The method returns a tuple of transformed data as bytes, or" \ + " *None* in case of error." \ +) + + ret = PyArg_ParseTuple(args, "s#", &data, &len); + if (!ret) return NULL; + + src.data = (char *)data; + src.len = len; + + modifier = G_SCAN_TOKEN_MODIFIER(pygobject_get(self)); + + status = g_scan_token_modifier_transform(modifier, &src, &dest, &count); + + if (status) + { + result = PyTuple_New(count); + + for (i = 0; i < count; i++) + { + PyTuple_SetItem(result, i, PyBytes_FromStringAndSize(dest[i].data, dest[i].len)); + exit_szstr(&dest[i]); + } + + free(dest); + + } + + else + { + result = Py_None; + Py_INCREF(result); + } + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : self = classe représentant un composant nommé à manipuler.* +* closure = non utilisé ici. * +* * +* Description : Fournit le désignation associée à un composant nommé. * +* * +* Retour : Description courante. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_scan_token_modifier_get_name(PyObject *self, void *closure) +{ + PyObject *result; /* Décompte à retourner */ + GScanTokenModifier *modifier; /* Version native */ + char *name; /* Désignation à convertir */ + +#define SCAN_TOKEN_MODIFIER_NAME_ATTRIB PYTHON_GET_DEF_FULL \ +( \ + name, py_scan_token_modifier, \ + "Call name for the modifier.\n" \ + "\n" \ + "The result is a string." \ +) + + modifier = G_SCAN_TOKEN_MODIFIER(pygobject_get(self)); + + name = g_scan_token_modifier_get_name(modifier); + + if (name == NULL) + { + result = Py_None; + Py_INCREF(result); + } + else + { + result = PyUnicode_FromString(name); + free(name); + } + + 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_token_modifier_type(void) +{ + static PyMethodDef py_scan_token_modifier_methods[] = { + SCAN_TOKEN_MODIFIER_TRANSFORM_METHOD, + { NULL } + }; + + static PyGetSetDef py_scan_token_modifier_getseters[] = { + SCAN_TOKEN_MODIFIER_NAME_ATTRIB, + { NULL } + }; + + static PyTypeObject py_scan_token_modifier_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.TokenModifier", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT, + + .tp_doc = SCAN_TOKEN_MODIFIER_DOC, + + .tp_methods = py_scan_token_modifier_methods, + .tp_getset = py_scan_token_modifier_getseters, + + .tp_init = py_scan_token_modifier_init, + .tp_new = py_scan_token_modifier_new, + + }; + + return &py_scan_token_modifier_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....TokenModifier'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_token_modifier_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'TokenModifier' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_token_modifier_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_TOKEN_MODIFIER, 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 transformation de séquence d'octets. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_token_modifier(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_token_modifier_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 token modifier"); + break; + + case 1: + *((GScanTokenModifier **)dst) = G_SCAN_TOKEN_MODIFIER(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifier.h b/plugins/pychrysalide/analysis/scan/patterns/modifier.h new file mode 100644 index 0000000..770b2c1 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifier.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * modifier.h - prototypes pour l'équivalent Python du fichier "analysis/scan/modifier.h" + * + * Copyright (C) 2023 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_MODIFIER_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_MODIFIER_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_scan_token_modifier_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.TokenModifier'. */ +bool ensure_python_scan_token_modifier_is_registered(void); + +/* Tente de convertir en transformation de séquence d'octets. */ +int convert_to_scan_token_modifier(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_MODIFIER_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/Makefile.am b/plugins/pychrysalide/analysis/scan/patterns/modifiers/Makefile.am new file mode 100644 index 0000000..baf7ed5 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/Makefile.am @@ -0,0 +1,17 @@ + +noinst_LTLIBRARIES = libpychrysaanalysisscanpatternsmodifiers.la + +libpychrysaanalysisscanpatternsmodifiers_la_SOURCES = \ + hex.h hex.c \ + list.h list.c \ + module.h module.c \ + plain.h plain.c \ + rev.h rev.c + +libpychrysaanalysisscanpatternsmodifiers_la_CFLAGS = $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) $(TOOLKIT_CFLAGS) \ + -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT + + +devdir = $(includedir)/chrysalide/$(subdir) + +dev_HEADERS = $(libpychrysaanalysisscanpatternsmodifiers_la_SOURCES:%c=) diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.c new file mode 100644 index 0000000..d0d1e1f --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.c @@ -0,0 +1,211 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * hex.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/hex.c" + * + * Copyright (C) 2023 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 "hex.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/scan/patterns/modifiers/hex.h> + + +#include "../modifier.h" +#include "../../../../access.h" +#include "../../../../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(scan_hex_modifier, G_TYPE_SCAN_HEX_MODIFIER); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_hex_modifier_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_scan_hex_modifier_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define SCAN_HEX_MODIFIER_DOC \ + "The *HexModifier* class transforms a byte pattern into its" \ + " corresponding byte sequence in lower case." \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " HexModifier()" + + /* 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_scan_hex_modifier_type(void) +{ + static PyMethodDef py_scan_hex_modifier_methods[] = { + { NULL } + }; + + static PyGetSetDef py_scan_hex_modifier_getseters[] = { + { NULL } + }; + + static PyTypeObject py_scan_hex_modifier_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.modifiers.HexModifier", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = SCAN_HEX_MODIFIER_DOC, + + .tp_methods = py_scan_hex_modifier_methods, + .tp_getset = py_scan_hex_modifier_getseters, + + .tp_init = py_scan_hex_modifier_init, + .tp_new = py_scan_hex_modifier_new, + + }; + + return &py_scan_hex_modifier_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....HexModifier'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_hex_modifier_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'HexModifier' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_hex_modifier_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_scan_token_modifier_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_SCAN_HEX_MODIFIER, 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 transmission d'octets à l'identique. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_hex_modifier(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_hex_modifier_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 hex modifier"); + break; + + case 1: + *((GScanHexModifier **)dst) = G_SCAN_HEX_MODIFIER(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.h new file mode 100644 index 0000000..5d70a01 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/hex.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * hex.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/hex.h" + * + * Copyright (C) 2023 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_MODIFIERS_HEX_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_HEX_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_scan_hex_modifier_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.HexModifier'. */ +bool ensure_python_scan_hex_modifier_is_registered(void); + +/* Tente de convertir en transmission d'octets à l'identique. */ +int convert_to_scan_hex_modifier(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_HEX_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.c new file mode 100644 index 0000000..7c77d63 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.c @@ -0,0 +1,320 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * list.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/list.c" + * + * Copyright (C) 2023 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 "list.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/scan/patterns/modifiers/list.h> + + +#include "../modifier.h" +#include "../../../../access.h" +#include "../../../../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(scan_modifier_list, G_TYPE_SCAN_MODIFIER_LIST); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_modifier_list_init(PyObject *, PyObject *, PyObject *); + +/* Intègre un nouveau transformateur dans une liste. */ +static PyObject *py_scan_modifier_list_add(PyObject *, PyObject *); + +/* Fournit les transformateurs associés à la liste. */ +static PyObject *py_scan_modifier_list_get_modifiers(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_scan_modifier_list_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define SCAN_MODIFIER_LIST_DOC \ + "The *ModifierList* class is a special modifier which groups a list of" \ + " modifiers for byte patterns." \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " ModifierList()" \ + "\n" \ + "The keyword for such a modifier is *(list)*." + + /* Initialisation d'un objet GLib */ + + ret = forward_pygobjet_init(self); + if (ret == -1) return -1; + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : self = projet d'étude à manipuler. * +* args = arguments accompagnant l'appel. * +* * +* Description : Intègre un nouveau transformateur dans une liste. * +* * +* Retour : Bilan de l'ajout : False si un élément similaire est déjà là.* +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_scan_modifier_list_add(PyObject *self, PyObject *args) +{ + PyObject *result; /* Absence de retour Python */ + GScanTokenModifier *modifier; /* Modificateur à intégrer */ + int ret; /* Bilan de lecture des args. */ + GScanModifierList *list; /* Version GLib du type */ + bool status; /* Bilan de l'opération */ + +#define SCAN_MODIFIER_LIST_ADD_METHOD PYTHON_METHOD_DEF \ +( \ + add, "$self, modifier, /", \ + METH_VARARGS, py_scan_modifier_list, \ + "Add an extra modifier to the list.\n" \ + "\n" \ + "This *modifier* parameter has to be a" \ + " pychrysalide.analysis.scan.patterns.TokenModifier instance." \ + "\n" \ + "The function returns *True* if the provided modifier did not already" \ + " exist in the list, *False* otherwise." \ +) + + ret = PyArg_ParseTuple(args, "O&", convert_to_scan_token_modifier, &modifier); + if (!ret) return NULL; + + list = G_SCAN_MODIFIER_LIST(pygobject_get(self)); + + status = g_scan_modifier_list_add(list, modifier); + + result = status ? Py_True : Py_False; + Py_INCREF(result); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : self = objet Python concerné par l'appel. * +* closure = non utilisé ici. * +* * +* Description : Fournit les transformateurs associés à la liste. * +* * +* Retour : Liste de modificateurs de séquence d'octets. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_scan_modifier_list_get_modifiers(PyObject *self, void *closure) +{ + PyObject *result; /* Résultat à retourner */ + GScanModifierList *list; /* Version GLib du type */ + size_t count; /* Nombre de transformateurs */ + size_t i; /* Boucle de parcours */ + GScanTokenModifier *modifier; /* Modificateur de la liste */ + +#define SCAN_MODIFIER_LIST_MODIFIERS_ATTRIB PYTHON_GET_DEF_FULL \ +( \ + modifiers, py_scan_modifier_list, \ + "List of all modifiers contained in a list.\n" \ + "\n" \ + "The returned value is a tuple of pychrysalide.analysis.scan.patterns.TokenModifier" \ + " instances." \ +) + + list = G_SCAN_MODIFIER_LIST(pygobject_get(self)); + + count = g_scan_modifier_list_count(list); + + result = PyTuple_New(count); + + for (i = 0; i < count; i++) + { + modifier = g_scan_modifier_list_get(list, i); + + PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(modifier))); + + g_object_unref(modifier); + + } + + 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_modifier_list_type(void) +{ + static PyMethodDef py_scan_modifier_list_methods[] = { + SCAN_MODIFIER_LIST_ADD_METHOD, + { NULL } + }; + + static PyGetSetDef py_scan_modifier_list_getseters[] = { + SCAN_MODIFIER_LIST_MODIFIERS_ATTRIB, + { NULL } + }; + + static PyTypeObject py_scan_modifier_list_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.modifiers.ModifierList", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = SCAN_MODIFIER_LIST_DOC, + + .tp_methods = py_scan_modifier_list_methods, + .tp_getset = py_scan_modifier_list_getseters, + + .tp_init = py_scan_modifier_list_init, + .tp_new = py_scan_modifier_list_new, + + }; + + return &py_scan_modifier_list_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....ModifierList'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_modifier_list_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'ModifierList' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_modifier_list_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_scan_token_modifier_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_SCAN_MODIFIER_LIST, 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 liste de transormations d'octets. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_modifier_list(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_modifier_list_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 modifier list"); + break; + + case 1: + *((GScanModifierList **)dst) = G_SCAN_MODIFIER_LIST(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.h new file mode 100644 index 0000000..133de8d --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/list.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * list.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/list.h" + * + * Copyright (C) 2023 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_MODIFIERS_LIST_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_LIST_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_scan_modifier_list_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.ModifierList'. */ +bool ensure_python_scan_modifier_list_is_registered(void); + +/* Tente de convertir en liste de transormations d'octets. */ +int convert_to_scan_modifier_list(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_LIST_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.c new file mode 100644 index 0000000..1e9bda7 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.c @@ -0,0 +1,110 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.c - intégration du répertoire modifiers 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 "hex.h" +#include "list.h" +#include "plain.h" +#include "rev.h" +#include "../../../../helpers.h" + + + +/****************************************************************************** +* * +* Paramètres : super = module dont la définition est à compléter. * +* * +* Description : Ajoute le module 'analysis....modifiers' à un module Python. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool add_analysis_scan_patterns_modifiers_module(PyObject *super) +{ + bool result; /* Bilan à retourner */ + PyObject *module; /* Sous-module mis en place */ + +#define PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_DOC \ + "This module provide all the features useful for scanning" \ + " binary contents." + + static PyModuleDef py_chrysalide_analysis_scan_patterns_modifiers_module = { + + .m_base = PyModuleDef_HEAD_INIT, + + .m_name = "pychrysalide.analysis.scan.patterns.modifiers", + .m_doc = PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_DOC, + + .m_size = -1, + + }; + + module = build_python_module(super, &py_chrysalide_analysis_scan_patterns_modifiers_module); + + result = (module != NULL); + + if (!result) + Py_XDECREF(module); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Intègre les objets du module 'analysis...patterns.modifiers'.* +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool populate_analysis_scan_patterns_modifiers_module(void) +{ + bool result; /* Bilan à retourner */ + + result = true; + + if (result) result = ensure_python_scan_hex_modifier_is_registered(); + if (result) result = ensure_python_scan_modifier_list_is_registered(); + if (result) result = ensure_python_scan_plain_modifier_is_registered(); + if (result) result = ensure_python_scan_reverse_modifier_is_registered(); + + assert(result); + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.h new file mode 100644 index 0000000..8094efc --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/module.h @@ -0,0 +1,42 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.h - prototypes pour l'intégration du répertoire modifiers 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_MODIFIERS_MODULE_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Ajoute le module 'analysis.scan.patterns.modifiers' à un module Python. */ +bool add_analysis_scan_patterns_modifiers_module(PyObject *); + +/* Intègre les objets du module 'analysis.scan.patterns.modifiers'. */ +bool populate_analysis_scan_patterns_modifiers_module(void); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_MODULE_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.c new file mode 100644 index 0000000..7a260c1 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.c @@ -0,0 +1,211 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * plain.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/plain.c" + * + * Copyright (C) 2023 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 "plain.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/scan/patterns/modifiers/plain.h> + + +#include "../modifier.h" +#include "../../../../access.h" +#include "../../../../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(scan_plain_modifier, G_TYPE_SCAN_PLAIN_MODIFIER); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_plain_modifier_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_scan_plain_modifier_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define SCAN_PLAIN_MODIFIER_DOC \ + "The *PlainModifier* class provide an transmision of a byte pattern" \ + " without any modification." \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " PlainModifier()" + + /* 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_scan_plain_modifier_type(void) +{ + static PyMethodDef py_scan_plain_modifier_methods[] = { + { NULL } + }; + + static PyGetSetDef py_scan_plain_modifier_getseters[] = { + { NULL } + }; + + static PyTypeObject py_scan_plain_modifier_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.modifiers.PlainModifier", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = SCAN_PLAIN_MODIFIER_DOC, + + .tp_methods = py_scan_plain_modifier_methods, + .tp_getset = py_scan_plain_modifier_getseters, + + .tp_init = py_scan_plain_modifier_init, + .tp_new = py_scan_plain_modifier_new, + + }; + + return &py_scan_plain_modifier_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....PlainModifier'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_plain_modifier_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'PlainModifier' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_plain_modifier_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_scan_token_modifier_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_SCAN_PLAIN_MODIFIER, 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 transmission d'octets à l'identique. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_plain_modifier(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_plain_modifier_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 plain modifier"); + break; + + case 1: + *((GScanPlainModifier **)dst) = G_SCAN_PLAIN_MODIFIER(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.h new file mode 100644 index 0000000..03949d8 --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/plain.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * plain.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/plain.h" + * + * Copyright (C) 2023 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_MODIFIERS_PLAIN_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_PLAIN_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_scan_plain_modifier_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.PlainModifier'. */ +bool ensure_python_scan_plain_modifier_is_registered(void); + +/* Tente de convertir en transmission d'octets à l'identique. */ +int convert_to_scan_plain_modifier(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_PLAIN_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.c b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.c new file mode 100644 index 0000000..6ee350c --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.c @@ -0,0 +1,211 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * hex.c - équivalent Python du fichier "analysis/scan/patterns/modifiers/hex.c" + * + * Copyright (C) 2023 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 "rev.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/scan/patterns/modifiers/rev.h> + + +#include "../modifier.h" +#include "../../../../access.h" +#include "../../../../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(scan_reverse_modifier, G_TYPE_SCAN_REVERSE_MODIFIER); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_reverse_modifier_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_scan_reverse_modifier_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define SCAN_HEX_MODIFIER_DOC \ + "The *ReverseModifier* class transforms a byte pattern by reversing" \ + " the order of each bytes." \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " ReverseModifier()" + + /* 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_scan_reverse_modifier_type(void) +{ + static PyMethodDef py_scan_reverse_modifier_methods[] = { + { NULL } + }; + + static PyGetSetDef py_scan_reverse_modifier_getseters[] = { + { NULL } + }; + + static PyTypeObject py_scan_reverse_modifier_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.modifiers.ReverseModifier", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = SCAN_HEX_MODIFIER_DOC, + + .tp_methods = py_scan_reverse_modifier_methods, + .tp_getset = py_scan_reverse_modifier_getseters, + + .tp_init = py_scan_reverse_modifier_init, + .tp_new = py_scan_reverse_modifier_new, + + }; + + return &py_scan_reverse_modifier_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....ReverseModifier'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_reverse_modifier_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'HexModifier' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_reverse_modifier_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.analysis.scan.patterns.modifiers"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_scan_token_modifier_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_SCAN_REVERSE_MODIFIER, 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 transformation d'octets par inverse. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_reverse_modifier(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_reverse_modifier_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 reverse modifier"); + break; + + case 1: + *((GScanReverseModifier **)dst) = G_SCAN_REVERSE_MODIFIER(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.h b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.h new file mode 100644 index 0000000..fe10e1e --- /dev/null +++ b/plugins/pychrysalide/analysis/scan/patterns/modifiers/rev.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * rev.h - équivalent Python du fichier "analysis/scan/patterns/modifiers/rev.h" + * + * Copyright (C) 2023 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_MODIFIERS_REV_H +#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_REV_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_scan_reverse_modifier_type(void); + +/* Prend en charge l'objet 'pychrysalide.analysis.scan.patterns.modifiers.ReverseModifier'. */ +bool ensure_python_scan_reverse_modifier_is_registered(void); + +/* Tente de convertir en transformation d'octets par inverse. */ +int convert_to_scan_reverse_modifier(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_SCAN_PATTERNS_MODIFIERS_REV_H */ diff --git a/plugins/pychrysalide/analysis/scan/patterns/module.c b/plugins/pychrysalide/analysis/scan/patterns/module.c index f8db49e..123b23a 100644 --- a/plugins/pychrysalide/analysis/scan/patterns/module.c +++ b/plugins/pychrysalide/analysis/scan/patterns/module.c @@ -29,7 +29,9 @@ #include "backend.h" +#include "modifier.h" #include "backends/module.h" +#include "modifiers/module.h" #include "../../../helpers.h" @@ -71,6 +73,7 @@ bool add_analysis_scan_patterns_module(PyObject *super) result = (module != NULL); if (result) result = add_analysis_scan_patterns_backends_module(module); + if (result) result = add_analysis_scan_patterns_modifiers_module(module); if (!result) Py_XDECREF(module); @@ -99,8 +102,10 @@ bool populate_analysis_scan_patterns_module(void) result = true; if (result) result = ensure_python_engine_backend_is_registered(); + if (result) result = ensure_python_scan_token_modifier_is_registered(); if (result) result = populate_analysis_scan_patterns_backends_module(); + if (result) result = populate_analysis_scan_patterns_modifiers_module(); assert(result); |