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/* Chrysalide - Outil d'analyse de fichiers binaires
* translate.c - conversion de structures ELF en objets Python
*
* 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 "translate.h"
#include <assert.h>
#include <plugins/pychrysalide/struct.h>
/******************************************************************************
* *
* Paramètres : header = entête BOOT.img à décrire en Python. *
* *
* Description : Traduit un entête BOOT.img en Python. *
* *
* Retour : Structure mise en place ou NULL en cas d'erreur. *
* *
* Remarques : - *
* *
******************************************************************************/
PyObject *translate_bootimg_header_to_python(const boot_img_hdr *header)
{
PyObject *result; /* Construction à retourner */
PyTypeObject *base; /* Modèle d'objet à créer */
PyObject *attrib; /* Attribut à constituer */
int ret; /* Bilan d'une mise en place */
base = get_python_py_struct_type();
result = PyObject_CallFunction((PyObject *)base, NULL);
assert(result != NULL);
#define TRANSLATE_HEADER_BYTE_VALUE(_f, _sz) \
do \
{ \
attrib = PyBytes_FromStringAndSize((char *)header->_f, _sz); \
ret = PyDict_SetItemString(result, #_f, attrib); \
if (ret != 0) goto failed; \
} \
while (0);
#define TRANSLATE_HEADER_NUMERIC_VALUE(_f) \
do \
{ \
attrib = PyLong_FromUnsignedLongLong(header->_f); \
ret = PyDict_SetItemString(result, #_f, attrib); \
if (ret != 0) goto failed; \
} \
while (0);
TRANSLATE_HEADER_BYTE_VALUE(magic, BOOT_MAGIC_SIZE);
TRANSLATE_HEADER_NUMERIC_VALUE(kernel_size);
TRANSLATE_HEADER_NUMERIC_VALUE(kernel_addr);
TRANSLATE_HEADER_NUMERIC_VALUE(ramdisk_size);
TRANSLATE_HEADER_NUMERIC_VALUE(ramdisk_addr);
TRANSLATE_HEADER_NUMERIC_VALUE(second_size);
TRANSLATE_HEADER_NUMERIC_VALUE(second_addr);
TRANSLATE_HEADER_NUMERIC_VALUE(tags_addr);
TRANSLATE_HEADER_NUMERIC_VALUE(page_size);
TRANSLATE_HEADER_NUMERIC_VALUE(header_version);
TRANSLATE_HEADER_NUMERIC_VALUE(os_version);
TRANSLATE_HEADER_BYTE_VALUE(name, BOOT_NAME_SIZE);
TRANSLATE_HEADER_BYTE_VALUE(cmdline, BOOT_ARGS_SIZE);
TRANSLATE_HEADER_BYTE_VALUE(id, 8 * sizeof(uint32_t));
TRANSLATE_HEADER_BYTE_VALUE(extra_cmdline, BOOT_EXTRA_ARGS_SIZE);
TRANSLATE_HEADER_NUMERIC_VALUE(recovery_dtbo_size);
TRANSLATE_HEADER_NUMERIC_VALUE(recovery_dtbo_offset);
TRANSLATE_HEADER_NUMERIC_VALUE(header_size);
return result;
failed:
Py_DECREF(result);
return NULL;
}
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