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Diffstat (limited to 'plugins/elf/python/section.c')
| -rw-r--r-- | plugins/elf/python/section.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/plugins/elf/python/section.c b/plugins/elf/python/section.c new file mode 100644 index 0000000..537babc --- /dev/null +++ b/plugins/elf/python/section.c @@ -0,0 +1,210 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * section.c - prototypes pour l'équivalent Python du fichier "plugins/elf/section.c" + * + * 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 "section.h" + + +#include <malloc.h> +#include <pygobject.h> + + +#include "translate.h" +#include "../section.h" + + + +/****************************************************************************** +* * +* Paramètres : self = format Elf à manipuler. * +* args = indice de la section visée. * +* * +* Description : Retrouve une section par son indice. * +* * +* Retour : Elément trouvé ou rien (None). * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyObject *py_elf_format_find_section_by_index(PyObject *self, PyObject *args) +{ + PyObject *result; /* Trouvaille à retourner */ + GElfFormat *format; /* Version GLib du format */ + unsigned short int index; /* Indice de section visée */ + int ret; /* Bilan de lecture des args. */ + elf_shdr section; /* Informations remontées */ + bool found; /* Recherches concluantes ? */ + + format = G_ELF_FORMAT(pygobject_get(self)); + + ret = PyArg_ParseTuple(args, "H", &index); + if (!ret) return NULL; + + found = find_elf_section_by_index(format, index, §ion); + + if (found) + result = translate_elf_section_to_python(format, §ion); + + else + { + result = Py_None; + Py_INCREF(result); + } + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : self = format Elf à manipuler. * +* args = désignation de la section visée. * +* * +* Description : Retrouve une section par son nom. * +* * +* Retour : Elément trouvé ou rien (None). * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyObject *py_elf_format_find_section_by_name(PyObject *self, PyObject *args) +{ + PyObject *result; /* Trouvaille à retourner */ + GElfFormat *format; /* Version GLib du format */ + PyObject *name; /* Etiquette à retrouver */ + int ret; /* Bilan de lecture des args. */ + elf_shdr section; /* Informations remontées */ + bool found; /* Recherches concluantes ? */ + + format = G_ELF_FORMAT(pygobject_get(self)); + + ret = PyArg_ParseTuple(args, "O!", &PyUnicode_Type, &name); + if (!ret) return NULL; + + found = find_elf_section_by_name(format, PyUnicode_DATA(name), §ion); + + if (found) + result = translate_elf_section_to_python(format, §ion); + + else + { + result = Py_None; + Py_INCREF(result); + } + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : self = format Elf à manipuler. * +* args = adresse en mémoire de la section visée. * +* * +* Description : Retrouve une section par son adresse en mémoire. * +* * +* Retour : Elément trouvé ou rien (None). * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyObject *py_elf_format_find_section_by_virtual_address(PyObject *self, PyObject *args) +{ + PyObject *result; /* Trouvaille à retourner */ + GElfFormat *format; /* Version GLib du format */ + unsigned long long addr; /* Adresse en mémoire virtuelle*/ + int ret; /* Bilan de lecture des args. */ + elf_shdr section; /* Informations remontées */ + bool found; /* Recherches concluantes ? */ + + format = G_ELF_FORMAT(pygobject_get(self)); + + ret = PyArg_ParseTuple(args, "K", &addr); + if (!ret) return NULL; + + found = find_elf_section_by_virtual_address(format, addr, §ion); + + if (found) + result = translate_elf_section_to_python(format, §ion); + + else + { + result = Py_None; + Py_INCREF(result); + } + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : self = format Elf à manipuler. * +* args = type des sections visées. * +* * +* Description : Retrouve des sections par leur type. * +* * +* Retour : Liste d'éléments trouvés, éventuellement vide. * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyObject *py_elf_format_find_sections_by_type(PyObject *self, PyObject *args) +{ + PyObject *result; /* Trouvaille à retourner */ + GElfFormat *format; /* Version GLib du format */ + unsigned int type; /* Type de section visée */ + int ret; /* Bilan de lecture des args. */ + elf_shdr *sections; /* Liste des sections trouvées */ + size_t count; /* Taille de cette liste */ + size_t i; /* Boucle de parcours */ + PyObject *section; /* Traduction d'une section */ + + format = G_ELF_FORMAT(pygobject_get(self)); + + ret = PyArg_ParseTuple(args, "I", &type); + if (!ret) return NULL; + + find_elf_sections_by_type(format, type, §ions, &count); + + result = PyTuple_New(count); + + for (i = 0; i < count; i++) + { + section = translate_elf_section_to_python(format, §ions[i]); + PyTuple_SetItem(result, i, section); + } + + if (sections != NULL) + free(sections); + + return result; + +} |