diff options
Diffstat (limited to 'plugins/encodings/python')
| -rw-r--r-- | plugins/encodings/python/Makefile.am | 20 | ||||
| -rw-r--r-- | plugins/encodings/python/base64.c | 139 | ||||
| -rw-r--r-- | plugins/encodings/python/base64.h | 39 | ||||
| -rw-r--r-- | plugins/encodings/python/module.c | 87 | ||||
| -rw-r--r-- | plugins/encodings/python/module.h | 38 | ||||
| -rw-r--r-- | plugins/encodings/python/rost/Makefile.am | 14 | ||||
| -rw-r--r-- | plugins/encodings/python/rost/base64.c | 211 | ||||
| -rw-r--r-- | plugins/encodings/python/rost/base64.h | 45 | ||||
| -rw-r--r-- | plugins/encodings/python/rost/module.c | 63 | ||||
| -rw-r--r-- | plugins/encodings/python/rost/module.h | 38 |
10 files changed, 694 insertions, 0 deletions
diff --git a/plugins/encodings/python/Makefile.am b/plugins/encodings/python/Makefile.am new file mode 100644 index 0000000..f999f9f --- /dev/null +++ b/plugins/encodings/python/Makefile.am @@ -0,0 +1,20 @@ + +noinst_LTLIBRARIES = libencodingspython.la + +libencodingspython_la_SOURCES = \ + base64.h base64.c \ + module.h module.c + +libencodingspython_la_LIBADD = \ + rost/libencodingspythonrost.la + +libencodingspython_la_CFLAGS = $(TOOLKIT_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \ + -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT + + +devdir = $(includedir)/chrysalide/$(subdir) + +dev_HEADERS = $(libencodingspython_la_SOURCES:%c=) + + +SUBDIRS = rost diff --git a/plugins/encodings/python/base64.c b/plugins/encodings/python/base64.c new file mode 100644 index 0000000..3bc84a2 --- /dev/null +++ b/plugins/encodings/python/base64.c @@ -0,0 +1,139 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * base64.c - équivalent Python du fichier "plugins/encodings/base64.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 "base64.h" + + +#include <pygobject.h> + + +#include <plugins/pychrysalide/access.h> +#include <plugins/pychrysalide/helpers.h> + + +#include "../base64.h" + + + +/* Procède à l'encodage d'un contenu en base 64. */ +static PyObject *py_encodings_base64_encode(PyObject *, PyObject *); + + + +/****************************************************************************** +* * +* Paramètres : self = objet Python concerné par l'appel. * +* args = paramètre à récupérer pour le traitement. * +* * +* Description : Procède à l'encodage d'un contenu en base 64. * +* * +* Retour : None ou données sortantes constituées. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_encodings_base64_encode(PyObject *self, PyObject *args) +{ + PyObject *result; /* Valeur à retourner */ + sized_string_t alphabet; /* Alphabet de traitement ? */ + Py_ssize_t alen; /* Taille de cet alphabet */ + sized_binary_t input; /* Données à traiter */ + Py_ssize_t ilen; /* Quantité de ces données */ + int ret; /* Bilan de lecture des args. */ + sized_string_t output; /* Données encodées à exporter */ + bool status; /* Bilan de l'opération */ + +#define ENCODINGS_BASE64_ENCODE_METHOD PYTHON_METHOD_DEF \ +( \ + base64_encode, "input, /, alphabet=None", \ + METH_VARARGS, py_encodings, \ + "Encode a given content using Base64.\n" \ + "\n" \ + "The *input* argument has to be provided as bytes. The optional" \ + " *alphabet* is expected to be a 64-byte array if defined.\n" \ + "\n" \ + "The returned value is bytes or *None* in case of error." \ +) + + result = NULL; + + alphabet.data = NULL; + alen = 0; + + ret = PyArg_ParseTuple(args, "s#|s#", &input.static_data, &ilen, &alphabet.static_data, &alen); + if (!ret) goto exit; + + alphabet.len = alen; + input.len = ilen; + + if (alphabet.len > 0) + status = _base64_encode(&input, &output, &alphabet); + else + status = base64_encode(&input, &output); + + if (status) + { + result = PyBytes_FromStringAndSize(output.data, output.len); + exit_szstr(&output); + } + else + { + result = Py_None; + Py_INCREF(result); + } + + exit: + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : super = module dont la définition est à compléter. * +* * +* Description : Définit une extension du module 'encodings' à compléter. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool populate_encodings_module_with_base64(PyObject *super) +{ + bool result; /* Bilan à retourner */ + + static PyMethodDef py_base64_methods[] = { + ENCODINGS_BASE64_ENCODE_METHOD, + { NULL } + }; + + result = register_python_module_methods(super, py_base64_methods); + + return result; + +} diff --git a/plugins/encodings/python/base64.h b/plugins/encodings/python/base64.h new file mode 100644 index 0000000..1e08cf6 --- /dev/null +++ b/plugins/encodings/python/base64.h @@ -0,0 +1,39 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * base64.h - équivalent Python du fichier "plugins/encodings/base64.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_ENCODINGS_PYTHON_BASE64_H +#define _PLUGINS_ENCODINGS_PYTHON_BASE64_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Définit une extension du module 'encodings' à compléter. */ +bool populate_encodings_module_with_base64(PyObject *); + + + +#endif /* _PLUGINS_ENCODINGS_PYTHON_BASE64_H */ diff --git a/plugins/encodings/python/module.c b/plugins/encodings/python/module.c new file mode 100644 index 0000000..454159b --- /dev/null +++ b/plugins/encodings/python/module.c @@ -0,0 +1,87 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.c - intégration du répertoire encodings en tant que module + * + * Copyright (C) 2020 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 <Python.h> + + +#include <plugins/pychrysalide/access.h> +#include <plugins/pychrysalide/helpers.h> + + +#include "base64.h" + + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Ajoute le module 'plugins.encodings' au module Python. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool add_encodings_module_to_python_module(void) +{ + bool result; /* Bilan à retourner */ + PyObject *super; /* Module à compléter */ + PyObject *module; /* Sous-module mis en place */ + +#define PYCHRYSALIDE_PLUGINS_ENCODINGS_DOC \ + "encodings is a module providing a few implementations" \ + " of algorithms used to encode data." + + static PyModuleDef py_chrysalide_encodings_module = { + + .m_base = PyModuleDef_HEAD_INIT, + + .m_name = "pychrysalide.plugins.encodings", + .m_doc = PYCHRYSALIDE_PLUGINS_ENCODINGS_DOC, + + .m_size = -1, + + }; + + result = false; + + super = get_access_to_python_module("pychrysalide.plugins"); + + module = build_python_module(super, &py_chrysalide_encodings_module); + + result = (module != NULL); + + if (result) result = populate_encodings_module_with_base64(module); + + assert(result); + + return result; + +} diff --git a/plugins/encodings/python/module.h b/plugins/encodings/python/module.h new file mode 100644 index 0000000..e7dd812 --- /dev/null +++ b/plugins/encodings/python/module.h @@ -0,0 +1,38 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.h - prototypes pour l'intégration du répertoire encodings en tant que module + * + * Copyright (C) 2020 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_ENCODINGS_PYTHON_MODULE_H +#define _PLUGINS_ENCODINGS_PYTHON_MODULE_H + + +#include <stdbool.h> + + + +/* Ajoute le module 'plugins.encodings' au module Python. */ +bool add_encodings_module_to_python_module(void); + + + +#endif /* _PLUGINS_ENCODINGS_PYTHON_MODULE_H */ diff --git a/plugins/encodings/python/rost/Makefile.am b/plugins/encodings/python/rost/Makefile.am new file mode 100644 index 0000000..a5a2969 --- /dev/null +++ b/plugins/encodings/python/rost/Makefile.am @@ -0,0 +1,14 @@ + +noinst_LTLIBRARIES = libencodingspythonrost.la + +libencodingspythonrost_la_SOURCES = \ + base64.h base64.c \ + module.h module.c + +libencodingspythonrost_la_CFLAGS = $(TOOLKIT_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \ + -I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT + + +devdir = $(includedir)/chrysalide-$(subdir) + +dev_HEADERS = $(libencodingspythonrost_la_SOURCES:%c=) diff --git a/plugins/encodings/python/rost/base64.c b/plugins/encodings/python/rost/base64.c new file mode 100644 index 0000000..57bba76 --- /dev/null +++ b/plugins/encodings/python/rost/base64.c @@ -0,0 +1,211 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * base64.c - équivalent Python du fichier "plugins/encodings/rost/base64.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 "base64.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <plugins/pychrysalide/access.h> +#include <plugins/pychrysalide/helpers.h> +#include <plugins/pychrysalide/analysis/scan/patterns/modifier.h> + + +#include "../../rost/base64.h" + + + +CREATE_DYN_CONSTRUCTOR(scan_base64_modifier, G_TYPE_SCAN_BASE64_MODIFIER); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_scan_base64_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_base64_modifier_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan de lecture des args. */ + +#define SCAN_BASE64_MODIFIER_DOC \ + "The *Base64Modifier* class transforms a byte pattern into its" \ + " base64 encoded form.\n" \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " Base64Modifier()" + + /* 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_base64_modifier_type(void) +{ + static PyMethodDef py_scan_base64_modifier_methods[] = { + { NULL } + }; + + static PyGetSetDef py_scan_base64_modifier_getseters[] = { + { NULL } + }; + + static PyTypeObject py_scan_base64_modifier_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.analysis.scan.patterns.modifiers.Base64Modifier", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = SCAN_BASE64_MODIFIER_DOC, + + .tp_methods = py_scan_base64_modifier_methods, + .tp_getset = py_scan_base64_modifier_getseters, + + .tp_init = py_scan_base64_modifier_init, + .tp_new = py_scan_base64_modifier_new, + + }; + + return &py_scan_base64_modifier_type; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Prend en charge l'objet 'pychrysalide....Base64Modifier'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_scan_base64_modifier_is_registered(void) +{ + PyTypeObject *type; /* Type Python Base64Modifier */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_scan_base64_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_BASE64_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 par encodage en Base64. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_scan_base64_modifier(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_scan_base64_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 Base64 modifier"); + break; + + case 1: + *((GScanBase64Modifier **)dst) = G_SCAN_BASE64_MODIFIER(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/encodings/python/rost/base64.h b/plugins/encodings/python/rost/base64.h new file mode 100644 index 0000000..c4459e9 --- /dev/null +++ b/plugins/encodings/python/rost/base64.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * base64.h - équivalent Python du fichier "plugins/encodings/rost/base64.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_ENCODINGS_PYTHON_ROST_BASE64_H +#define _PLUGINS_ENCODINGS_PYTHON_ROST_BASE64_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_scan_base64_modifier_type(void); + +/* Prend en charge l'objet 'pychrysalide....Base64Modifier'. */ +bool ensure_python_scan_base64_modifier_is_registered(void); + +/* Tente de convertir en transformation par encodage en Base64. */ +int convert_to_scan_base64_modifier(PyObject *, void *); + + + +#endif /* _PLUGINS_ENCODINGS_PYTHON_ROST_BASE64_H */ diff --git a/plugins/encodings/python/rost/module.c b/plugins/encodings/python/rost/module.c new file mode 100644 index 0000000..6bd7187 --- /dev/null +++ b/plugins/encodings/python/rost/module.c @@ -0,0 +1,63 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.c - intégration du répertoire rost en tant que module + * + * 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 "module.h" + + +#include <Python.h> + + +#include <plugins/pychrysalide/access.h> +#include <plugins/pychrysalide/helpers.h> + + +#include "base64.h" + + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Intègre les modificateurs pour ROST. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool register_encodings_rost_modifiers(void) +{ + bool result; /* Bilan à retourner */ + + result = true; + + if (result) result = ensure_python_scan_base64_modifier_is_registered(); + + assert(result); + + return result; + +} diff --git a/plugins/encodings/python/rost/module.h b/plugins/encodings/python/rost/module.h new file mode 100644 index 0000000..ba021cb --- /dev/null +++ b/plugins/encodings/python/rost/module.h @@ -0,0 +1,38 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.h - prototypes pour l'intégration du répertoire rost en tant que module + * + * 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_ENCODINGS_PYTHON_ROST_MODULE_H +#define _PLUGINS_ENCODINGS_PYTHON_ROST_MODULE_H + + +#include <stdbool.h> + + + +/* Intègre les modificateurs pour ROST. */ +bool register_encodings_rost_modifiers(void); + + + +#endif /* _PLUGINS_ENCODINGS_PYTHON_ROST_MODULE_H */ |