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-rw-r--r--plugins/pychrysa/analysis/content.c297
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diff --git a/plugins/pychrysa/analysis/content.c b/plugins/pychrysa/analysis/content.c
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * content.c - prototypes pour l'équivalent Python du fichier "analysis/content.c"
+ *
+ * Copyright (C) 2015 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * OpenIDA 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.
+ *
+ * OpenIDA 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 "content.h"
+
+
+#include <pygobject.h>
+
+
+#include <analysis/content.h>
+
+
+
+/* Fournit une empreinte unique (SHA256) pour les données. */
+static PyObject *py_binary_content_get_checksum(PyObject *, PyObject *);
+
+/* Détermine le nombre d'octets lisibles. */
+static PyObject *py_binary_content_compute_size(PyObject *, PyObject *);
+
+/* Lit un nombre non signé sur un octet. */
+static PyObject *py_binary_content_read_u8(PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : self = contenu binaire à manipuler. *
+* args = non utilisé ici. *
+* *
+* Description : Fournit une empreinte unique (SHA256) pour les données. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_binary_content_get_checksum(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Instance à retourner */
+ GBinContent *content; /* Version GLib du format */
+ const gchar *checksum; /* Empreinte fournie */
+
+ content = G_BIN_CONTENT(pygobject_get(self));
+
+ //checksum = g_binary_content_get_cheksum(content);
+
+ printf("YEAH\n");
+ fflush(NULL);
+
+ result = PyUnicode_FromString("checksum");
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = contenu binaire à manipuler. *
+* args = non utilisé ici. *
+* *
+* Description : Détermine le nombre d'octets lisibles. *
+* *
+* Retour : Quantité représentée. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_binary_content_compute_size(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Instance à retourner */
+ GBinContent *content; /* Version GLib du format */
+ phys_t size; /* Quantité d'octets dispos. */
+
+ content = G_BIN_CONTENT(pygobject_get(self));
+
+ size = g_binary_content_compute_size(content);
+
+ result = PyLong_FromUnsignedLongLong(size);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = contenu binaire à manipuler. *
+* args = non utilisé ici. *
+* *
+* Description : Lit un nombre non signé sur un octet. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_binary_content_read_u8(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Instance à retourner */
+ GBinContent *content; /* Version GLib du format */
+ int ret; /* Bilan de lecture des args. */
+ PyObject *addr_obj; /* Objet pour une position */
+ vmpa2t *addr; /* Position interne associée */
+ uint8_t val; /* Valeur lue à faire suivre */
+ bool status; /* Bilan de l'opération */
+
+ content = G_BIN_CONTENT(pygobject_get(self));
+
+ //printf("Passage\n");
+
+ ret = PyArg_ParseTuple(args, "O", &addr_obj);
+
+ //printf("ret == %d\n", ret);
+
+ if (!ret) return NULL;
+
+ addr = get_internal_vmpa(addr_obj);
+ if (addr == NULL) /* ... */;
+
+ status = g_binary_content_read_u8(content, addr, &val);
+ if (!status) return NULL;
+
+ //printf("val :: 0x%02hhx\n", val);
+
+ result = PyBytes_FromStringAndSize((char *)&val, 1);;
+ //Py_INCREF(result);
+
+ return result;
+
+}
+
+
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+
+static PyMethodDef py_binary_content_methods[] = {
+ { "get_checksum", py_binary_content_get_checksum,
+ METH_NOARGS,
+ "get_checksum($self, /)\n--\n\nCompute a SHA256 hash as chechsum of handled data."
+ },
+ { "compute_size", py_binary_content_compute_size,
+ METH_NOARGS,
+ "compute_size($self, /)\n--\n\nCompute the quantity of readable bytes."
+ },
+ { "read_u8", py_binary_content_read_u8,
+ METH_VARARGS,
+ "read_u8($self, addr, /)\n--\n\nRead an unsigned byte from a given position."
+ },
+ { NULL }
+};
+
+static PyGetSetDef py_binary_content_getseters[] = {
+ { NULL }
+};
+
+PyTypeObject py_binary_content_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.analysis.contents.BinContent",
+ .tp_basicsize = sizeof(PyObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = "PyChrysalide binary content",
+
+ .tp_methods = py_binary_content_methods,
+ //.tp_getset = py_binary_content_getseters
+
+};
+
+
+
+PyTypeObject *get_python_binary_content_type(void)
+{
+#if 0
+ static PyMethodDef py_binary_content_methods[] = {
+ { "get_checksum", py_binary_content_get_checksum,
+ METH_NOARGS,
+ "get_checksum($self, /)\n--\n\nCompute a SHA256 hash as chechsum of handled data."
+ },
+ { "compute_size", py_binary_content_compute_size,
+ METH_NOARGS,
+ "compute_size($self, /)\n--\n\nCompute the quantity of readable bytes."
+ },
+ { "read_u8", py_binary_content_read_u8,
+ METH_VARARGS,
+ "read_u8($self, addr, /)\n--\n\nRead an unsigned byte from a given position."
+ },
+ { NULL }
+ };
+
+ static PyGetSetDef py_binary_content_getseters[] = {
+ { NULL }
+ };
+
+ static PyTypeObject py_binary_content_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.analysis.contents.BinContent",
+ .tp_basicsize = sizeof(PyObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = "PyChrysalide binary content",
+
+ .tp_methods = py_binary_content_methods,
+ //.tp_getset = py_binary_content_getseters
+
+ };
+#endif
+ return &py_binary_content_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.glibext.BinContent'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool register_python_binary_content(PyObject *module)
+{
+ PyTypeObject *py_binary_content_type; /* Type Python 'BinContent' */
+ int ret; /* Bilan d'un appel */
+ PyObject *dict; /* Dictionnaire du module */
+
+ py_binary_content_type = get_python_binary_content_type();
+
+ //py_binary_content_type->tp_base = &PyGObject_Type;
+ //py_binary_content_type->tp_basicsize = py_binary_content_type->tp_base->tp_basicsize;
+
+ //py_binary_content_type->tp_base = &PyObject_Type;
+ //py_binary_content_type->tp_basicsize = py_binary_content_type->tp_base->tp_basicsize;
+
+ /*
+ if (PyType_Ready(py_binary_content_type) != 0)
+ return false;
+ */
+
+ /*
+ Py_INCREF(py_binary_content_type);
+ ret = PyModule_AddObject(module, "BinContent", (PyObject *)py_binary_content_type);
+ if (ret != 0) return false;
+ */
+
+ dict = PyModule_GetDict(module);
+ pyg_register_interface(dict, "BinContent", G_TYPE_BIN_CONTENT, py_binary_content_type);
+
+ return true;
+
+}
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