From 67ed9f05fa92141369d543dbaa6108b5b5bd6529 Mon Sep 17 00:00:00 2001 From: Cyrille Bagard Date: Sun, 21 May 2023 19:17:30 +0200 Subject: Register the preload information class in the Python bindings. --- plugins/pychrysalide/arch/context.c | 6 +- plugins/pychrysalide/format/Makefile.am | 1 + plugins/pychrysalide/format/module.c | 2 + plugins/pychrysalide/format/preload.c | 207 ++++++++++++++++++++++++++++++++ plugins/pychrysalide/format/preload.h | 45 +++++++ 5 files changed, 260 insertions(+), 1 deletion(-) create mode 100644 plugins/pychrysalide/format/preload.c create mode 100644 plugins/pychrysalide/format/preload.h diff --git a/plugins/pychrysalide/arch/context.c b/plugins/pychrysalide/arch/context.c index ce1ef01..b1803a4 100644 --- a/plugins/pychrysalide/arch/context.c +++ b/plugins/pychrysalide/arch/context.c @@ -1,6 +1,6 @@ /* Chrysalide - Outil d'analyse de fichiers binaires - * context.c - équivalent Python du fichier "arch/context.h" + * context.c - équivalent Python du fichier "arch/context.c" * * Copyright (C) 2018 Cyrille Bagard * @@ -39,6 +39,7 @@ #include "../helpers.h" #include "../analysis/db/item.h" #include "../arch/vmpa.h" +#include "../format/preload.h" @@ -518,6 +519,9 @@ bool ensure_python_proc_context_is_registered(void) dict = PyModule_GetDict(module); + if (!ensure_python_preload_info_is_registered()) + return false; + if (!register_class_for_pygobject(dict, G_TYPE_PROC_CONTEXT, type, &PyGObject_Type)) return false; diff --git a/plugins/pychrysalide/format/Makefile.am b/plugins/pychrysalide/format/Makefile.am index 2d691e7..337265d 100644 --- a/plugins/pychrysalide/format/Makefile.am +++ b/plugins/pychrysalide/format/Makefile.am @@ -8,6 +8,7 @@ libpychrysaformat_la_SOURCES = \ format.h format.c \ known.h known.c \ module.h module.c \ + preload.h preload.c \ strsym.h strsym.c \ symbol.h symbol.c \ symiter.h symiter.c diff --git a/plugins/pychrysalide/format/module.c b/plugins/pychrysalide/format/module.c index 52dc58b..62c15ed 100644 --- a/plugins/pychrysalide/format/module.c +++ b/plugins/pychrysalide/format/module.c @@ -32,6 +32,7 @@ #include "flat.h" #include "format.h" #include "known.h" +#include "preload.h" #include "strsym.h" #include "symbol.h" #include "symiter.h" @@ -105,6 +106,7 @@ bool populate_format_module(void) if (result) result = ensure_python_flat_format_is_registered(); if (result) result = ensure_python_known_format_is_registered(); if (result) result = ensure_python_binary_format_is_registered(); + if (result) result = ensure_python_preload_info_is_registered(); if (result) result = ensure_python_string_symbol_is_registered(); if (result) result = ensure_python_binary_symbol_is_registered(); if (result) result = ensure_python_sym_iterator_is_registered(); diff --git a/plugins/pychrysalide/format/preload.c b/plugins/pychrysalide/format/preload.c new file mode 100644 index 0000000..65e2ed0 --- /dev/null +++ b/plugins/pychrysalide/format/preload.c @@ -0,0 +1,207 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * preload.c - équivalent Python du fichier "format/preload.c" + * + * Copyright (C) 2023 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 "preload.h" + + +#include + + +#include + + +#include "../access.h" +#include "../helpers.h" + + + +CREATE_DYN_CONSTRUCTOR(preload_info, G_TYPE_PRELOAD_INFO); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_preload_info_init(PyObject *, PyObject *, PyObject *); + + + +/****************************************************************************** +* * +* Paramètres : self = objet à initialiser (théoriquement). * +* args = arguments fournis à l'appel. * +* kwds = arguments de type key=val fournis. * +* * +* Description : Initialise une instance sur la base du dérivé de GObject. * +* * +* Retour : 0. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static int py_preload_info_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + int ret; /* Bilan d'initialisation */ + +#define PRELOAD_INFO_DOC \ + "The PreloadInfo object stores all kinds of disassembling" \ + " information available from the analysis of a file format" \ + " itsself.\n" \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " PreloadInfo()" + + /* Initialisation d'un objet GLib */ + + ret = forward_pygobjet_init(self); + if (ret == -1) return -1; + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Fournit un accès à une définition de type à diffuser. * +* * +* Retour : Définition d'objet pour Python. * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyTypeObject *get_python_preload_info_type(void) +{ + static PyMethodDef py_preload_info_methods[] = { + { NULL } + }; + + static PyGetSetDef py_preload_info_getseters[] = { + { NULL } + }; + + static PyTypeObject py_preload_info_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.format.PreloadInfo", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + + .tp_doc = PRELOAD_INFO_DOC, + + .tp_methods = py_preload_info_methods, + .tp_getset = py_preload_info_getseters, + + .tp_init = py_preload_info_init, + .tp_new = py_preload_info_new, + + }; + + return &py_preload_info_type; + +} + + +/****************************************************************************** +* * +* Paramètres : module = module dont la définition est à compléter. * +* * +* Description : Prend en charge l'objet 'pychrysalide.format.PreloadInfo'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_preload_info_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'ArchContext' */ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_preload_info_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.format"); + + dict = PyModule_GetDict(module); + + if (!register_class_for_pygobject(dict, G_TYPE_PRELOAD_INFO, type, &PyGObject_Type)) + return false; + + } + + return true; + +} + + +/****************************************************************************** +* * +* Paramètres : arg = argument quelconque à tenter de convertir. * +* dst = destination des valeurs récupérées en cas de succès. * +* * +* Description : Tente de convertir en espace de préchargement. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_preload_info(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_preload_info_type()); + + switch (result) + { + case -1: + /* L'exception est déjà fixée par Python */ + result = 0; + break; + + case 0: + PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to disassembly context"); + break; + + case 1: + *((GPreloadInfo **)dst) = G_PRELOAD_INFO(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/format/preload.h b/plugins/pychrysalide/format/preload.h new file mode 100644 index 0000000..bf33e82 --- /dev/null +++ b/plugins/pychrysalide/format/preload.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * preload.h - prototypes pour l'équivalent Python du fichier "format/preload.h" + * + * Copyright (C) 2023 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 + */ + + +#ifndef _PLUGINS_PYCHRYSALIDE_FORMAT_PRELOAD_H +#define _PLUGINS_PYCHRYSALIDE_FORMAT_PRELOAD_H + + +#include +#include + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_preload_info_type(void); + +/* Prend en charge l'objet 'pychrysalide.format.PreloadInfo'. */ +bool ensure_python_preload_info_is_registered(void); + +/* Tente de convertir en espace de préchargement. */ +int convert_to_preload_info(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_FORMAT_PRELOAD_H */ -- cgit v0.11.2-87-g4458