summaryrefslogtreecommitdiff
path: root/plugins/pychrysalide/analysis
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/pychrysalide/analysis')
-rw-r--r--plugins/pychrysalide/analysis/Makefile.am1
-rw-r--r--plugins/pychrysalide/analysis/cattribs.c376
-rw-r--r--plugins/pychrysalide/analysis/cattribs.h45
-rw-r--r--plugins/pychrysalide/analysis/content.c82
-rw-r--r--plugins/pychrysalide/analysis/module.c2
5 files changed, 506 insertions, 0 deletions
diff --git a/plugins/pychrysalide/analysis/Makefile.am b/plugins/pychrysalide/analysis/Makefile.am
index 0405243..65f2150 100644
--- a/plugins/pychrysalide/analysis/Makefile.am
+++ b/plugins/pychrysalide/analysis/Makefile.am
@@ -4,6 +4,7 @@ noinst_LTLIBRARIES = libpychrysaanalysis.la
libpychrysaanalysis_la_SOURCES = \
binary.h binary.c \
block.h block.c \
+ cattribs.h cattribs.c \
content.h content.c \
loaded.h loaded.c \
loading.h loading.c \
diff --git a/plugins/pychrysalide/analysis/cattribs.c b/plugins/pychrysalide/analysis/cattribs.c
new file mode 100644
index 0000000..be5c5b1
--- /dev/null
+++ b/plugins/pychrysalide/analysis/cattribs.c
@@ -0,0 +1,376 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * cattribs.c - équivalent Python du fichier "analysis/cattribs.h"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * Chrysalide is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chrysalide is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "cattribs.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+
+
+#include <analysis/cattribs.h>
+
+
+#include "../access.h"
+#include "../helpers.h"
+
+
+
+/* Crée un nouvel objet Python de type 'ContentAttributes'. */
+static PyObject *py_content_attributes_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Fournit l'ensemble des clefs d'un ensemble d'attributs. */
+static PyObject *py_content_attributes_subscript(PyObject *, PyObject *);
+
+/* Fournit le fichier de base compris dans le chemin initial. */
+static PyObject *py_content_attributes_get_filename(PyObject *, void *);
+
+/* Fournit l'ensemble des clefs d'un ensemble d'attributs. */
+static PyObject *py_content_attributes_get_keys(PyObject *, void *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : type = type de l'objet à instancier. *
+* args = arguments fournis à l'appel. *
+* kwds = arguments de type key=val fournis. *
+* *
+* Description : Crée un nouvel objet Python de type 'ContentAttributes'. *
+* *
+* Retour : Instance Python mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_content_attributes_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+ PyObject *result; /* Instance à retourner */
+ const char *path; /* Chemin d'accès à traiter */
+ int ret; /* Bilan de lecture des args. */
+ GContentAttributes *attribs; /* Création GLib à transmettre */
+
+#define CONTENT_ATTRIBUTES_DOC \
+ "ContentAttributes is a set of values used at binary content loading.\n" \
+ "\n" \
+ "Such parameters are useful to transmit password for encrypted contents" \
+ " for instance. These parameters can be accessed like dictionary items:\n" \
+ "\n" \
+ " password = attributes['password']\n" \
+ " attributes['password'] = 'updated'\n" \
+ "\n" \
+ "Instances can be created using the following constructor:\n" \
+ "\n" \
+ " ContentAttributes(path)\n" \
+ "\n" \
+ "Where path is a list of parameters: '[...]&key0=value0&key1=value1...'"
+
+ ret = PyArg_ParseTuple(args, "s", &path);
+ if (!ret) return NULL;
+
+ attribs = g_content_attributes_new(path);
+
+ if (attribs != NULL)
+ {
+ g_object_ref_sink(G_OBJECT(attribs));
+ result = pygobject_new(G_OBJECT(attribs));
+ g_object_unref(attribs);
+ }
+ else
+ {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* key = clef d'accès servant d'indice. *
+* *
+* Description : Fournit l'ensemble des clefs d'un ensemble d'attributs. *
+* *
+* Retour : Valeur associée à la clef trouvée, ou NULL en cas d'échec. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_content_attributes_subscript(PyObject *self, PyObject *key)
+{
+ PyObject *result; /* Valeur à retourner */
+ void *keyval; /* Valeur brute de la clef */
+ GContentAttributes *cattribs; /* Version native */
+ const char *value; /* Valeur brute trouvée */
+
+ result = NULL;
+
+ if (!PyUnicode_Check(key))
+ PyErr_SetString(PyExc_TypeError, "key must be a string value");
+
+ else
+ {
+ keyval = PyUnicode_DATA(key);
+
+ cattribs = G_CONTENT_ATTRIBUTES(pygobject_get(self));
+
+ value = g_content_attributes_get_value(cattribs, keyval);
+
+ if (value == NULL)
+ PyErr_SetString(PyExc_KeyError, "attribute value not found for the provided key");
+
+ else
+ result = PyUnicode_FromString(value);
+
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* closure = non utilisé ici. *
+* *
+* Description : Fournit l'ensemble des clefs d'un ensemble d'attributs. *
+* *
+* Retour : Liste de clefs des attributes conservés dans l'ensemble. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_content_attributes_get_keys(PyObject *self, void *closure)
+{
+ PyObject *result; /* Valeur à retourner */
+ GContentAttributes *cattribs; /* Version native */
+ size_t count; /* Nombre d'éléments à traiter */
+ const char **keys; /* Clefs des attributs */
+ size_t i; /* Boucle de parcours */
+
+#define CONTENT_ATTRIBUTES_KEYS_ATTRIB PYTHON_GET_DEF_FULL \
+( \
+ keys, py_content_attributes, \
+ "Keys of all attributes contained in a set of values." \
+)
+
+ cattribs = G_CONTENT_ATTRIBUTES(pygobject_get(self));
+
+ keys = g_content_attributes_get_keys(cattribs, &count);
+
+ result = PyTuple_New(count);
+
+ for (i = 0; i < count; i++)
+ PyTuple_SetItem(result, i, PyUnicode_FromString(keys[i]));
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* closure = non utilisé ici. *
+* *
+* Description : Fournit le fichier de base compris dans le chemin initial. *
+* *
+* Retour : Nom de fichier renvoyant vers un contenu à charger ou None. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_content_attributes_get_filename(PyObject *self, void *closure)
+{
+ PyObject *result; /* Valeur à retourner */
+ GContentAttributes *cattribs; /* Version native */
+ const char *filename; /* Nom de fichier natif */
+
+#define CONTENT_ATTRIBUTES_FILENAME_ATTRIB PYTHON_GET_DEF_FULL \
+( \
+ filename, py_content_attributes, \
+ "Filename extracted from the path provided to the attribute set," \
+ " constructor, or None if no filename was defined." \
+)
+
+ cattribs = G_CONTENT_ATTRIBUTES(pygobject_get(self));
+
+ filename = g_content_attributes_get_filename(cattribs);
+
+ if (filename != NULL)
+ result = PyUnicode_FromString(filename);
+
+ else
+ {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_content_attributes_type(void)
+{
+ static PyMappingMethods py_content_attributes_mapping = {
+ .mp_length = NULL,
+ .mp_subscript = py_content_attributes_subscript,
+ .mp_ass_subscript = NULL
+ };
+
+ static PyMethodDef py_content_attributes_methods[] = {
+ { NULL }
+ };
+
+ static PyGetSetDef py_content_attributes_getseters[] = {
+ CONTENT_ATTRIBUTES_FILENAME_ATTRIB,
+ CONTENT_ATTRIBUTES_KEYS_ATTRIB,
+ { NULL }
+ };
+
+ static PyTypeObject py_content_attributes_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.analysis.ContentAttributes",
+
+ .tp_as_mapping = &py_content_attributes_mapping,
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = CONTENT_ATTRIBUTES_DOC,
+
+ .tp_methods = py_content_attributes_methods,
+ .tp_getset = py_content_attributes_getseters,
+ .tp_new = py_content_attributes_new
+
+ };
+
+ return &py_content_attributes_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.....ContentAttributes'.*
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool ensure_python_content_attributes_is_registered(void)
+{
+ PyTypeObject *type; /* Type 'ContentAttributes' */
+ PyObject *module; /* Module à recompléter */
+ PyObject *dict; /* Dictionnaire du module */
+
+ type = get_python_content_attributes_type();
+
+ if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+ {
+ module = get_access_to_python_module("pychrysalide.analysis");
+
+ dict = PyModule_GetDict(module);
+
+ if (!register_class_for_pygobject(dict, G_TYPE_CONTENT_ATTRIBUTES, type, &PyGObject_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 ensemble d'attributs pour contenu. *
+* *
+* Retour : Bilan de l'opération, voire indications supplémentaires. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int convert_to_content_attributes(PyObject *arg, void *dst)
+{
+ int result; /* Bilan à retourner */
+
+ result = PyObject_IsInstance(arg, (PyObject *)get_python_content_attributes_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 content attributes");
+ break;
+
+ case 1:
+ *((GContentAttributes **)dst) = G_CONTENT_ATTRIBUTES(pygobject_get(arg));
+ break;
+
+ default:
+ assert(false);
+ break;
+
+ }
+
+ return result;
+
+}
diff --git a/plugins/pychrysalide/analysis/cattribs.h b/plugins/pychrysalide/analysis/cattribs.h
new file mode 100644
index 0000000..b348826
--- /dev/null
+++ b/plugins/pychrysalide/analysis/cattribs.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * cattribs.h - prototypes pour l'équivalent Python du fichier "analysis/cattribs.h"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * Chrysalide is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chrysalide is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_ANALYSIS_CATTRIBS_H
+#define _PLUGINS_PYCHRYSALIDE_ANALYSIS_CATTRIBS_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_content_attributes_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.analysis.ContentAttributes'. */
+bool ensure_python_content_attributes_is_registered(void);
+
+/* Tente de convertir en ensemble d'attributs pour contenu. */
+int convert_to_content_attributes(PyObject *, void *);
+
+
+
+#endif /* _PLUGINS_PYCHRYSALIDE_ANALYSIS_CATTRIBS_H */
diff --git a/plugins/pychrysalide/analysis/content.c b/plugins/pychrysalide/analysis/content.c
index f332167..5f8694a 100644
--- a/plugins/pychrysalide/analysis/content.c
+++ b/plugins/pychrysalide/analysis/content.c
@@ -36,6 +36,7 @@
#include <common/endianness.h>
+#include "cattribs.h"
#include "../access.h"
#include "../helpers.h"
#include "../arch/vmpa.h"
@@ -60,6 +61,12 @@ static PyObject *py_binary_content_read_u32(PyObject *, PyObject *);
/* Lit un nombre non signé sur huit octets. */
static PyObject *py_binary_content_read_u64(PyObject *, PyObject *);
+/* Associe un ensemble d'attributs au contenu binaire. */
+static int py_binary_content_set_attributes(PyObject *, PyObject *, void *);
+
+/* Fournit l'ensemble des attributs associés à un contenu. */
+static PyObject *py_binary_content_get_attributes(PyObject *, void *);
+
/* Fournit une empreinte unique (SHA256) pour les données. */
static PyObject *py_binary_content_get_checksum(PyObject *, void *);
@@ -348,6 +355,80 @@ static PyObject *py_binary_content_read_u64(PyObject *self, PyObject *args)
/******************************************************************************
* *
* Paramètres : self = contenu binaire à manipuler. *
+* value = jeu d'attributs à lier au contenu courant. *
+* closure = adresse non utilisée ici. *
+* *
+* Description : Associe un ensemble d'attributs au contenu binaire. *
+* *
+* Retour : Jeu d'attributs liés au contenu courant. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static int py_binary_content_set_attributes(PyObject *self, PyObject *value, void *closure)
+{
+ int result; /* Bilan à renvoyer */
+ GBinContent *content; /* Version GLib du format */
+ GContentAttributes *attribs; /* Version native des attributs*/
+
+ content = G_BIN_CONTENT(pygobject_get(self));
+
+ if (!convert_to_content_attributes(value, &attribs))
+ result = -1;
+
+ else
+ {
+ g_binary_content_set_attributes(content, attribs);
+ result = 0;
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = contenu binaire à manipuler. *
+* closure = adresse non utilisée ici. *
+* *
+* Description : Fournit l'ensemble des attributs associés à un contenu. *
+* *
+* Retour : Jeu d'attributs liés au contenu courant. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_binary_content_get_attributes(PyObject *self, void *closure)
+{
+ PyObject *result; /* Instance à retourner */
+ GBinContent *content; /* Version GLib du format */
+ GContentAttributes *attribs; /* Attributs à transmettre */
+
+#define BINARY_CONTENT_ATTRIBUTES_ATTRIB PYTHON_GETSET_DEF_FULL \
+( \
+ attributes, py_binary_content, \
+ "Provide or define the attributes linked to the binary content." \
+)
+
+ content = G_BIN_CONTENT(pygobject_get(self));
+
+ attribs = g_binary_content_get_attributes(content);
+
+ result = pygobject_new(G_OBJECT(attribs));
+
+ g_object_unref(attribs);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = contenu binaire à manipuler. *
* closure = adresse non utilisée ici. *
* *
* Description : Fournit une empreinte unique (SHA256) pour les données. *
@@ -552,6 +633,7 @@ PyTypeObject *get_python_binary_content_type(void)
};
static PyGetSetDef py_binary_content_getseters[] = {
+ BINARY_CONTENT_ATTRIBUTES_ATTRIB,
{
"checksum", py_binary_content_get_checksum, NULL,
"Compute a SHA256 hash as chechsum of handled data.", NULL
diff --git a/plugins/pychrysalide/analysis/module.c b/plugins/pychrysalide/analysis/module.c
index cf0671e..1a9a1d9 100644
--- a/plugins/pychrysalide/analysis/module.c
+++ b/plugins/pychrysalide/analysis/module.c
@@ -30,6 +30,7 @@
#include "binary.h"
#include "block.h"
+#include "cattribs.h"
#include "content.h"
#include "loaded.h"
#include "loading.h"
@@ -111,6 +112,7 @@ bool populate_analysis_module(void)
if (result) result = ensure_python_loaded_binary_is_registered();
if (result) result = ensure_python_code_block_is_registered();
if (result) result = ensure_python_block_list_is_registered();
+ if (result) result = ensure_python_content_attributes_is_registered();
if (result) result = ensure_python_binary_content_is_registered();
if (result) result = ensure_python_loaded_content_is_registered();
if (result) result = ensure_python_content_explorer_is_registered();
generated by cgit v0.11.2-87-g4458 at 2025-10-31 18:56:53 (GMT)