summaryrefslogtreecommitdiff
path: root/plugins/elf/python/format.c
blob: a5e93d7aaccf920d0e4ad5767890efcf9a7683c0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217

/* Chrysalide - Outil d'analyse de fichiers binaires
 * format.c - équivalent Python du fichier "plugins/elf/format.c"
 *
 * Copyright (C) 2013-2017 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 "format.h"


#include <pygobject.h>


#include <i18n.h>
#include <format/executable.h>
#include <analysis/content.h>
#include <plugins/pychrysa/helpers.h>
#include <plugins/pychrysa/analysis/content.h>
#include <plugins/pychrysa/format/executable.h>


#include "constants.h"
#include "dynamic.h"
#include "../format.h"



/* Crée un nouvel objet Python de type 'ElfFormat'. */
static PyObject *py_elf_format_new(PyTypeObject *, PyObject *, PyObject *);



/******************************************************************************
*                                                                             *
*  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 'ElfFormat'.             *
*                                                                             *
*  Retour      : Instance Python mise en place.                               *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

static PyObject *py_elf_format_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
    PyObject *result;                       /* Instance à retourner        */
    PyObject *content_obj;                  /* Objet pour le contenu       */
    PyObject *parent_obj;                   /* Objet pour le parent        */
    PyObject *status_obj;                   /* Objet pour la progression   */
    int ret;                                /* Bilan de lecture des args.  */
    GBinContent *content;                   /* Instance GLib du contenu    */
    GExeFormat *parent;                     /* Instance GLib du parent     */
    GtkStatusStack *status;                 /* Instance GTK de suivi       */
    GBinFormat *format;                     /* Création GLib à transmettre */

    parent_obj = Py_None;
    status_obj = Py_None;

    ret = PyArg_ParseTuple(args, "O|OO", &content_obj, &parent_obj, &status_obj);
    if (!ret) return NULL;

    ret = PyObject_IsInstance(content_obj, (PyObject *)get_python_binary_content_type());
    if (!ret)
    {
        PyErr_SetString(PyExc_TypeError, _("The first argument must be an instance of BinContent."));
        return NULL;
    }

    content = G_BIN_CONTENT(pygobject_get(content_obj));

    if (parent_obj == Py_None)
        parent = NULL;

    else
    {
        ret = PyObject_IsInstance(parent_obj, (PyObject *)get_python_executable_format_type());
        if (!ret)
        {
            PyErr_SetString(PyExc_TypeError, _("The second argument must be a container format or None."));
            return NULL;
        }

        parent = G_EXE_FORMAT(pygobject_get(parent_obj));

    }

    if (status_obj == Py_None)
        status = NULL;

    else
    {
        ret = PyObject_IsInstance(status_obj, (PyObject *)get_python_binary_content_type());
        if (!ret)
        {
            PyErr_SetString(PyExc_TypeError, _("The third argument must be a status bar object or None."));
            return NULL;
        }

        status = GTK_STATUS_STACK(pygobject_get(status_obj));

    }

    format = g_elf_format_new(content, parent, status);
    if (format == NULL)
    {
        PyErr_SetString(PyExc_RuntimeError, _("Unable to load the ELF format."));
        return NULL;
    }

    result = pygobject_new(G_OBJECT(format));

    g_object_unref(format);

    return (PyObject *)result;

}


/******************************************************************************
*                                                                             *
*  Paramètres  : -                                                            *
*                                                                             *
*  Description : Fournit un accès à une définition de type à diffuser.        *
*                                                                             *
*  Retour      : Définition d'objet pour Python.                              *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

PyTypeObject *get_python_elf_format_type(void)
{
    static PyMethodDef py_elf_format_methods[] = {
        { NULL }
    };

    static PyGetSetDef py_elf_format_getseters[] = {
        {
            "needed", py_elf_format_get_needed, NULL,
            "Provide the list of requiered shared objects.", NULL
        },
        { NULL }
    };

    static PyTypeObject py_elf_format_type = {

        PyVarObject_HEAD_INIT(NULL, 0)

        .tp_name        = "pychrysalide.format.elf.ElfFormat",
        .tp_basicsize   = sizeof(PyGObject),

        .tp_flags       = Py_TPFLAGS_DEFAULT,

        .tp_doc         = "PyChrysalide Elf format",

        .tp_methods     = py_elf_format_methods,
        .tp_getset      = py_elf_format_getseters,
        .tp_new         = (newfunc)py_elf_format_new

    };

    return &py_elf_format_type;

}


/******************************************************************************
*                                                                             *
*  Paramètres  : module = module dont la définition est à compléter.          *
*                                                                             *
*  Description : Prend en charge l'objet 'pychrysalide.format.elf.ElfFormat'. *
*                                                                             *
*  Retour      : Bilan de l'opération.                                        *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

bool register_python_elf_format(PyObject *module)
{
    PyTypeObject *py_elf_format_type;       /* Type Python 'ElfFormat'     */
    PyObject *dict;                         /* Dictionnaire du module      */

    py_elf_format_type = get_python_elf_format_type();

    dict = PyModule_GetDict(module);

    if (!register_class_for_pygobject(dict, G_TYPE_ELF_FORMAT,
                                      py_elf_format_type, get_python_executable_format_type()))
        return false;

    if (!define_python_binary_format_constants(py_elf_format_type))
        return false;

    return true;

}