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-rw-r--r--plugins/pychrysa/Makefile.am1
-rw-r--r--plugins/pychrysa/pychrysa.c5
-rw-r--r--plugins/pychrysa/struct.c161
-rw-r--r--plugins/pychrysa/struct.h42
4 files changed, 208 insertions, 1 deletions
diff --git a/plugins/pychrysa/Makefile.am b/plugins/pychrysa/Makefile.am
index e8c2bed..0648bb3 100644
--- a/plugins/pychrysa/Makefile.am
+++ b/plugins/pychrysa/Makefile.am
@@ -8,6 +8,7 @@ pychrysalide_la_SOURCES = \
helpers.h helpers.c \
plugin.h plugin.c \
pychrysa.h pychrysa.c \
+ struct.h struct.c \
weak.h weak.c
pychrysalide_la_LIBADD = \
diff --git a/plugins/pychrysa/pychrysa.c b/plugins/pychrysa/pychrysa.c
index 7629132..35d14f4 100644
--- a/plugins/pychrysa/pychrysa.c
+++ b/plugins/pychrysa/pychrysa.c
@@ -45,6 +45,7 @@
#include "helpers.h"
#include "plugin.h"
+#include "struct.h"
#include "analysis/module.h"
#include "arch/module.h"
#include "common/module.h"
@@ -386,8 +387,10 @@ PyMODINIT_FUNC PyInit_pychrysalide(void)
result = PyModule_Create(&py_chrysalide_module);
+ status = register_python_py_struct(result);
+
/* Interface 'LineGenerator' en premier... */
- status = add_glibext_module_to_python_module(result);
+ if (status) status = add_glibext_module_to_python_module(result);
/* BinRoutine hérite de BinSymbol... */
if (status) status = add_format_module_to_python_module(result);
diff --git a/plugins/pychrysa/struct.c b/plugins/pychrysa/struct.c
new file mode 100644
index 0000000..33b58b8
--- /dev/null
+++ b/plugins/pychrysa/struct.c
@@ -0,0 +1,161 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * struct.c - prototypes pour la conversion de structures C en équivalent Python
+ *
+ * Copyright (C) 2017 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 "struct.h"
+
+
+
+/* Objet à vocation abstraite */
+typedef struct _PyStructObject
+{
+ PyDictObject base; /* A laisser en premier */
+
+} PyStructObject;
+
+
+/* Assure l'encadrement des accès aux champs d'une structure. */
+static PyObject *py_struct_getattr(PyObject *, char *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : self = structure C convertie en Python. *
+* name = nom du champ auquel un accès est demandé. *
+* *
+* Description : Assure l'encadrement des accès aux champs d'une structure. *
+* *
+* Retour : Valeur du champ demandé. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_struct_getattr(PyObject *self, char *name)
+{
+ PyObject *result; /* Elément à retourner */
+ PyObject *w; /* Conversion du nom de champ */
+ PyTypeObject *tp; /* Type de l'objet manipulé */
+
+ result = PyDict_GetItemString(self, name);
+
+ if (result != NULL)
+ Py_INCREF(result);
+
+ else
+ {
+ w = PyUnicode_InternFromString(name);
+ if (w == NULL) return NULL;
+
+ tp = Py_TYPE(self);
+
+ if (tp->tp_base->tp_getattro != NULL)
+ result = tp->tp_base->tp_getattro(self, w);
+
+ Py_DECREF(w);
+
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_py_struct_type(void)
+{
+ static PyMethodDef py_struct_methods[] = {
+ { NULL }
+ };
+
+ static PyGetSetDef py_struct_getseters[] = {
+ { NULL }
+ };
+
+ static PyTypeObject py_struct_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.PyStructObject",
+ .tp_basicsize = sizeof(PyStructObject),
+
+ .tp_getattr = py_struct_getattr,
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = "PyChrysalide structure",
+
+ .tp_methods = py_struct_methods,
+ .tp_getset = py_struct_getseters,
+ .tp_base = &PyDict_Type,
+
+ };
+
+ return &py_struct_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.PyStructObject'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool register_python_py_struct(PyObject *module)
+{
+ PyTypeObject *py_struct_type; /* Type Python 'PyStructObject'*/
+ int ret; /* Bilan des préparatifs */
+
+ py_struct_type = get_python_py_struct_type();
+
+ ret = PyType_Ready(py_struct_type);
+
+ if (ret != 0)
+ return false;
+
+ Py_INCREF(py_struct_type);
+
+ PyModule_AddObject(module, "PyStructObject", (PyObject *)py_struct_type);;
+
+ return true;
+
+}
diff --git a/plugins/pychrysa/struct.h b/plugins/pychrysa/struct.h
new file mode 100644
index 0000000..cca00b8
--- /dev/null
+++ b/plugins/pychrysa/struct.h
@@ -0,0 +1,42 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * struct.h - prototypes pour la conversion de structures C en équivalent Python
+ *
+ * Copyright (C) 2017 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_PYCHRYSA_STRUCT_H
+#define _PLUGINS_PYCHRYSA_STRUCT_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_py_struct_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.PyStructObject'. */
+bool register_python_py_struct(PyObject *);
+
+
+
+#endif /* _PLUGINS_PYCHRYSA_STRUCT_H */
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