diff options
Diffstat (limited to 'plugins/bootimg/python/translate.c')
| -rw-r--r-- | plugins/bootimg/python/translate.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/plugins/bootimg/python/translate.c b/plugins/bootimg/python/translate.c new file mode 100644 index 0000000..6d982c7 --- /dev/null +++ b/plugins/bootimg/python/translate.c @@ -0,0 +1,110 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * translate.c - conversion de structures ELF en objets 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 "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; + +} |