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authorCyrille Bagard <nocbos@gmail.com>2015-12-01 20:11:27 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2015-12-01 20:12:35 (GMT)
commit1c9e36639b949cc765dab316825f9fec7af85a6e (patch)
tree862c1aaf89f31972930b5c938ae49cee4bb724ec /plugins
parent99f653189e448b3ff3f2f02ab876231d44fa1ce3 (diff)
Computed relative and absolute paths.
Diffstat (limited to 'plugins')
-rw-r--r--plugins/pychrysa/common/Makefile.am3
-rw-r--r--plugins/pychrysa/common/fnv1a.c2
-rw-r--r--plugins/pychrysa/common/module.c2
-rw-r--r--plugins/pychrysa/common/pathname.c203
-rw-r--r--plugins/pychrysa/common/pathname.h42
5 files changed, 250 insertions, 2 deletions
diff --git a/plugins/pychrysa/common/Makefile.am b/plugins/pychrysa/common/Makefile.am
index 38d1697..93d92ac 100644
--- a/plugins/pychrysa/common/Makefile.am
+++ b/plugins/pychrysa/common/Makefile.am
@@ -3,7 +3,8 @@ noinst_LTLIBRARIES = libpychrysacommon.la
libpychrysacommon_la_SOURCES = \
fnv1a.h fnv1a.c \
- module.h module.c
+ module.h module.c \
+ pathname.h pathname.c
libpychrysacommon_la_LDFLAGS =
diff --git a/plugins/pychrysa/common/fnv1a.c b/plugins/pychrysa/common/fnv1a.c
index 2befcbe..99d06fc 100644
--- a/plugins/pychrysa/common/fnv1a.c
+++ b/plugins/pychrysa/common/fnv1a.c
@@ -40,7 +40,7 @@ static PyObject *py_fnv1a_hash(PyObject *, PyObject *);
/******************************************************************************
* *
* Paramètres : self = NULL car méthode statique. *
-* args = non utilisé ici. *
+* args = arguments fournis lors de l'appel à la fonction. *
* *
* Description : Détermine l'empreinte FNV1a d'une chaîne de caractères. *
* *
diff --git a/plugins/pychrysa/common/module.c b/plugins/pychrysa/common/module.c
index bb4d47f..21781b5 100644
--- a/plugins/pychrysa/common/module.c
+++ b/plugins/pychrysa/common/module.c
@@ -26,6 +26,7 @@
#include "fnv1a.h"
+#include "pathname.h"
@@ -76,6 +77,7 @@ bool add_common_module_to_python_module(PyObject *super)
result = true;
result &= register_python_fnv1a(module);
+ result &= register_python_pathname(module);
acmtpm_exit:
diff --git a/plugins/pychrysa/common/pathname.c b/plugins/pychrysa/common/pathname.c
new file mode 100644
index 0000000..4b36675
--- /dev/null
+++ b/plugins/pychrysa/common/pathname.c
@@ -0,0 +1,203 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * pathname.c - équivalent Python du fichier "common/pathname.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 "pathname.h"
+
+
+#include <malloc.h>
+#include <pygobject.h>
+
+
+#include <i18n.h>
+
+
+#include <common/pathname.h>
+
+
+
+/* Calcule le chemin relatif entre deux fichiers donnés. */
+static PyObject *py_build_relative_filename(PyObject *, PyObject *);
+
+/* Calcule le chemin absolu d'un fichier par rapport à un autre. */
+static PyObject *py_build_absolute_filename(PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : self = NULL car méthode statique. *
+* args = arguments fournis lors de l'appel à la fonction. *
+* *
+* Description : Calcule le chemin relatif entre deux fichiers donnés. *
+* *
+* Retour : Chemin relatif obtenu. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_build_relative_filename(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Instance à retourner */
+ const char *ref; /* Fichier de référence */
+ const char *target; /* Fichier à cibler */
+ int ret; /* Bilan de lecture des args. */
+ char *relative; /* Chemin d'accès construit */
+
+ ret = PyArg_ParseTuple(args, "ss", &ref, &target);
+ if (!ret) Py_RETURN_NONE;
+
+ relative = build_relative_filename(ref, target);
+
+ result = PyUnicode_FromString(relative);
+
+ free(relative);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = NULL car méthode statique. *
+* args = arguments fournis lors de l'appel à la fonction. *
+* *
+* Description : Calcule le chemin absolu d'un fichier par rapport à un autre.*
+* *
+* Retour : Chemin absolu obtenu. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_build_absolute_filename(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Instance à retourner */
+ const char *ref; /* Fichier de référence */
+ const char *target; /* Fichier à cibler */
+ int ret; /* Bilan de lecture des args. */
+ char *relative; /* Chemin d'accès construit */
+
+ ret = PyArg_ParseTuple(args, "ss", &ref, &target);
+ if (!ret) Py_RETURN_NONE;
+
+ relative = build_absolute_filename(ref, target);
+
+ if (relative == NULL)
+ {
+ PyErr_SetString(PyExc_ValueError, _("Relative path is too deep."));
+ result = NULL;
+ }
+ else
+ {
+ result = PyUnicode_FromString(relative);
+
+ free(relative);
+
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_pathname_type(void)
+{
+ static PyMethodDef py_pathname_methods[] = {
+
+ { "build_relative_filename", py_build_relative_filename,
+ METH_VARARGS | METH_STATIC,
+ "build_relative_filename(ref, target, /)\n--\n\nCompute the relative path between two files."
+ },
+ { "build_absolute_filename", py_build_absolute_filename,
+ METH_VARARGS | METH_STATIC,
+ "build_absolute_filename(ref, target, /)\n--\n\nCompute the absolute path for a file."
+ },
+ { NULL }
+
+ };
+
+ static PyTypeObject py_pathname_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.core.pathname",
+ .tp_basicsize = sizeof(PyObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_IS_ABSTRACT,
+
+ .tp_doc = "Path manipulations in Python for Chrysalide.",
+
+ .tp_methods = py_pathname_methods
+
+ };
+
+ return &py_pathname_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.core.pathname'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool register_python_pathname(PyObject *module)
+{
+ PyTypeObject *py_pathname_type; /* Type Python pour 'pathname' */
+ int ret; /* Bilan d'un appel */
+
+ py_pathname_type = get_python_pathname_type();
+
+ //py_pathname_type->tp_new = PyType_GenericNew;
+
+ if (PyType_Ready(py_pathname_type) != 0)
+ return false;
+
+ Py_INCREF(py_pathname_type);
+ ret = PyModule_AddObject(module, "pathname", (PyObject *)py_pathname_type);
+
+ return (ret == 0);
+
+}
diff --git a/plugins/pychrysa/common/pathname.h b/plugins/pychrysa/common/pathname.h
new file mode 100644
index 0000000..fe9bc1b
--- /dev/null
+++ b/plugins/pychrysa/common/pathname.h
@@ -0,0 +1,42 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * pathname.h - prototypes pour l'équivalent Python du fichier "common/pathname.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
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_COMMON_PATHNAME_H
+#define _PLUGINS_PYCHRYSALIDE_COMMON_PATHNAME_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_pathname_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.common.pathname'. */
+bool register_python_pathname(PyObject *);
+
+
+
+#endif /* _PLUGINS_PYCHRYSALIDE_COMMON_PATHNAME_H */