diff options
Diffstat (limited to 'plugins/pychrysalide/arch/instructions')
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/Makefile.am | 24 | ||||
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/constants.c | 71 | ||||
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/constants.h | 39 | ||||
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/module.c | 104 | ||||
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/module.h | 42 | ||||
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/undefined.c | 352 | ||||
| -rw-r--r-- | plugins/pychrysalide/arch/instructions/undefined.h | 45 |
7 files changed, 677 insertions, 0 deletions
diff --git a/plugins/pychrysalide/arch/instructions/Makefile.am b/plugins/pychrysalide/arch/instructions/Makefile.am new file mode 100644 index 0000000..885f96e --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/Makefile.am @@ -0,0 +1,24 @@ + +noinst_LTLIBRARIES = libpychrysaarchinstructions.la + +libpychrysaarchinstructions_la_SOURCES = \ + constants.h constants.c \ + module.h module.c \ + undefined.h undefined.c + +libpychrysaarchinstructions_la_LIBADD = + +libpychrysaarchinstructions_la_LDFLAGS = + + +devdir = $(includedir)/chrysalide-$(subdir) + +dev_HEADERS = $(libpychrysaarchinstructions_la_SOURCES:%c=) + + +AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \ + -I$(top_srcdir)/src + +AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS) + +SUBDIRS = diff --git a/plugins/pychrysalide/arch/instructions/constants.c b/plugins/pychrysalide/arch/instructions/constants.c new file mode 100644 index 0000000..1f6a1d2 --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/constants.c @@ -0,0 +1,71 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * constants.c - ajout des constantes de base pour les instructions + * + * Copyright (C) 2020 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 "constants.h" + + +#include <arch/instructions/undefined.h> + + +#include "../../helpers.h" + + + +/****************************************************************************** +* * +* Paramètres : type = type dont le dictionnaire est à compléter. * +* * +* Description : Définit les constantes liées aux comportements erratiques. * +* * +* Retour : true en cas de succès de l'opération, false sinon. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool define_undefined_instruction_constants(PyTypeObject *type) +{ + bool result; /* Bilan à retourner */ + PyObject *values; /* Groupe de valeurs à établir */ + + values = PyDict_New(); + + result = add_const_to_group(values, "NOP", IEB_NOP); + if (result) result = add_const_to_group(values, "UNDEFINED", IEB_UNDEFINED); + if (result) result = add_const_to_group(values, "UNPREDICTABLE", IEB_UNPREDICTABLE); + + if (!result) + { + Py_DECREF(values); + goto exit; + } + + result = attach_constants_group_to_type(type, false, "InstrExpectedBehavior", values, + "List of possible behaviors of undefined instructions."); + + exit: + + return result; + +} diff --git a/plugins/pychrysalide/arch/instructions/constants.h b/plugins/pychrysalide/arch/instructions/constants.h new file mode 100644 index 0000000..c25f3f8 --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/constants.h @@ -0,0 +1,39 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * constants.h - prototypes pour l'ajout des constantes de base pour les instructions + * + * Copyright (C) 2020 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_ARCH_INSTRUCTIONS_CONSTANTS_H +#define _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_CONSTANTS_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Définit les constantes liées aux comportements erratiques. */ +bool define_undefined_instruction_constants(PyTypeObject *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_CONSTANTS_H */ diff --git a/plugins/pychrysalide/arch/instructions/module.c b/plugins/pychrysalide/arch/instructions/module.c new file mode 100644 index 0000000..13a9c8e --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/module.c @@ -0,0 +1,104 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.c - intégration du répertoire instructions en tant que module + * + * Copyright (C) 2019-2020 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 "module.h" + + +#include <assert.h> + + +#include "undefined.h" +#include "../../helpers.h" + + + +/****************************************************************************** +* * +* Paramètres : super = module dont la définition est à compléter. * +* * +* Description : Ajoute le module 'arch.instructions' à un module Python. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool add_arch_instructions_module(PyObject *super) +{ + bool result; /* Bilan à retourner */ + PyObject *module; /* Sous-module mis en place */ + +#define PYCHRYSALIDE_ARCH_INSTRUCTIONS_DOC \ + "This module contains implementations for most basic instructions.\n" \ + "\n" \ + "Basic instructions include non executable instructions such as" \ + " pychrysalide.arch.RawInstruction, used for managing raw bytes in a" \ + " binary content." + + static PyModuleDef py_chrysalide_arch_instructions_module = { + + .m_base = PyModuleDef_HEAD_INIT, + + .m_name = "pychrysalide.arch.instructions", + .m_doc = PYCHRYSALIDE_ARCH_INSTRUCTIONS_DOC, + + .m_size = -1, + + }; + + module = build_python_module(super, &py_chrysalide_arch_instructions_module); + + result = (module != NULL); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Intègre les objets du module 'arch.instructions'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool populate_arch_instructions_module(void) +{ + bool result; /* Bilan à retourner */ + + result = true; + + if (result) result = ensure_python_undefined_instruction_is_registered(); + + assert(result); + + return result; + +} diff --git a/plugins/pychrysalide/arch/instructions/module.h b/plugins/pychrysalide/arch/instructions/module.h new file mode 100644 index 0000000..42d6423 --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/module.h @@ -0,0 +1,42 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * module.h - prototypes pour l'intégration du répertoire instructions en tant que module + * + * 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 + */ + + +#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_MODULE_H +#define _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_MODULE_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Ajoute le module 'arch.instructions' à un module Python. */ +bool add_arch_instructions_module(PyObject *); + +/* Intègre les objets du module 'arch.instructions'. */ +bool populate_arch_instructions_module(void); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_MODULE_H */ diff --git a/plugins/pychrysalide/arch/instructions/undefined.c b/plugins/pychrysalide/arch/instructions/undefined.c new file mode 100644 index 0000000..a2c989e --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/undefined.c @@ -0,0 +1,352 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * undefined.c - équivalent Python du fichier "arch/instructions/undefined.h" + * + * 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 "undefined.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <arch/instructions/undefined-int.h> +#include <plugins/dt.h> + + +#include "constants.h" +#include "../instruction.h" +#include "../../access.h" +#include "../../helpers.h" + + + +/* Accompagne la création d'une instance dérivée en Python. */ +static PyObject *py_undef_instruction_new(PyTypeObject *, PyObject *, PyObject *); + +/* Initialise une instance sur la base du dérivé de GObject. */ +static int py_undef_instruction_init(PyObject *, PyObject *, PyObject *); + +/* Indique le type de conséquences réél de l'instruction. */ +static PyObject *py_undef_instruction_get_behavior(PyObject *, void *); + + + +/****************************************************************************** +* * +* Paramètres : type = type du nouvel objet à mettre en place. * +* args = éventuelle liste d'arguments. * +* kwds = éventuel dictionnaire de valeurs mises à disposition. * +* * +* Description : Accompagne la création d'une instance dérivée en Python. * +* * +* Retour : Nouvel objet Python mis en place ou NULL en cas d'échec. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_undef_instruction_new(PyTypeObject *type, PyObject *args, PyObject *kwds) +{ + PyObject *result; /* Objet à retourner */ + PyTypeObject *base; /* Type de base à dériver */ + bool first_time; /* Evite les multiples passages*/ + GType gtype; /* Nouveau type de processeur */ + bool status; /* Bilan d'un enregistrement */ + + /* Validations diverses */ + + base = get_python_undefined_instruction_type(); + + if (type == base) + goto simple_way; + + /* Mise en place d'un type dédié */ + + first_time = (g_type_from_name(type->tp_name) == 0); + + gtype = build_dynamic_type(G_TYPE_UNDEF_INSTRUCTION, type->tp_name, NULL, NULL, NULL); + + if (first_time) + { + status = register_class_for_dynamic_pygobject(gtype, type, base); + + if (!status) + { + result = NULL; + goto exit; + } + + } + + /* On crée, et on laisse ensuite la main à PyGObject_Type.tp_init() */ + + simple_way: + + result = PyType_GenericNew(type, args, kwds); + + exit: + + return result; + +} + + +/****************************************************************************** +* * +* 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_undef_instruction_init(PyObject *self, PyObject *args, PyObject *kwds) +{ + unsigned long behavior; /* Conséquence pour l'instruct°*/ + int ret; /* Bilan de lecture des args. */ + PyObject *new_args; /* Nouveaux arguments épurés */ + PyObject *new_kwds; /* Nouveau dictionnaire épuré */ + GUndefInstruction *instr; /* Instruction à manipuler */ + undef_obj_extra *extra; /* Données insérées à modifier */ + + static char *kwlist[] = { "behavior", NULL }; + +#define UNDEF_INSTRUCTION_DOC \ + "UndefInstruction represents all kinds of instructions which are" \ + " officially not part of a runnable instruction set.\n" \ + "\n" \ + "Instances can be created using the following constructor:\n" \ + "\n" \ + " UndefInstruction(behavior)" \ + "\n" \ + "Where behavior is a" \ + " pychrysalide.arch.instructions.UndefInstruction.InstrExpectedBehavior" \ + " constant describing the state of the CPU once the instruction is run." + + /* Récupération des paramètres */ + + ret = PyArg_ParseTupleAndKeywords(args, kwds, "k", kwlist, &behavior); + if (!ret) return -1; + + /* Initialisation d'un objet GLib */ + + new_args = PyTuple_New(0); + new_kwds = PyDict_New(); + + ret = PyGObject_Type.tp_init(self, new_args, new_kwds); + + Py_DECREF(new_kwds); + Py_DECREF(new_args); + + if (ret == -1) return -1; + + /* Eléments de base */ + + instr = G_UNDEF_INSTRUCTION(pygobject_get(self)); + + extra = GET_UNDEF_INSTR_EXTRA(instr); + + extra->behavior = behavior; + + return 0; + +} + + +/****************************************************************************** +* * +* Paramètres : self = classe représentant une instruction. * +* closure = adresse non utilisée ici. * +* * +* Description : Indique le type de conséquences réél de l'instruction. * +* * +* Retour : Etat réel du CPU après l'exécution de l'instruction. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_undef_instruction_get_behavior(PyObject *self, void *closure) +{ + PyObject *result; /* Conversion à retourner */ + GUndefInstruction *instr; /* Version native */ + InstrExpectedBehavior behavior; /* Comportement attendu */ + +#define UNDEF_INSTRUCTION_BEHAVIOR_ATTRIB PYTHON_GET_DEF_FULL \ +( \ + behavior, py_undef_instruction, \ + "Consequence carried by the undefined instruction.\n" \ + "\n" \ + "The result is provided as a" \ + " pychrysalide.arch.instructions.UndefInstruction.InstrExpectedBehavior" \ + " constant." \ +) + + instr = G_UNDEF_INSTRUCTION(pygobject_get(self)); + behavior = g_undef_instruction_get_behavior(instr); + + result = cast_with_constants_group_from_type(get_python_undefined_instruction_type(), + "InstrExpectedBehavior", behavior); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Fournit un accès à une définition de type à diffuser. * +* * +* Retour : Définition d'objet pour Python. * +* * +* Remarques : - * +* * +******************************************************************************/ + +PyTypeObject *get_python_undefined_instruction_type(void) +{ + static PyMethodDef py_undefined_instruction_methods[] = { + { NULL } + }; + + static PyGetSetDef py_undefined_instruction_getseters[] = { + UNDEF_INSTRUCTION_BEHAVIOR_ATTRIB, + { NULL } + }; + + static PyTypeObject py_undefined_instruction_type = { + + PyVarObject_HEAD_INIT(NULL, 0) + + .tp_name = "pychrysalide.arch.instructions.UndefInstruction", + .tp_basicsize = sizeof(PyGObject), + + .tp_flags = Py_TPFLAGS_DEFAULT, + + .tp_doc = UNDEF_INSTRUCTION_DOC, + + .tp_methods = py_undefined_instruction_methods, + .tp_getset = py_undefined_instruction_getseters, + + .tp_init = py_undef_instruction_init, + .tp_new = py_undef_instruction_new, + + }; + + return &py_undefined_instruction_type; + +} + + +/****************************************************************************** +* * +* Paramètres : module = module dont la définition est à compléter. * +* * +* Description : Prend en charge l'objet 'pychrysalide.arch.ArchInstruction'. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool ensure_python_undefined_instruction_is_registered(void) +{ + PyTypeObject *type; /* Type Python 'UndefinedInstruction'*/ + PyObject *module; /* Module à recompléter */ + PyObject *dict; /* Dictionnaire du module */ + + type = get_python_undefined_instruction_type(); + + if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) + { + module = get_access_to_python_module("pychrysalide.arch.instructions"); + + dict = PyModule_GetDict(module); + + if (!ensure_python_arch_instruction_is_registered()) + return false; + + if (!register_class_for_pygobject(dict, G_TYPE_UNDEF_INSTRUCTION, type, get_python_arch_instruction_type())) + return false; + + if (!define_undefined_instruction_constants(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 instruction non définie. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_undefined_instruction(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + + result = PyObject_IsInstance(arg, (PyObject *)get_python_undefined_instruction_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 undefined instruction"); + break; + + case 1: + *((GUndefInstruction **)dst) = G_UNDEF_INSTRUCTION(pygobject_get(arg)); + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/pychrysalide/arch/instructions/undefined.h b/plugins/pychrysalide/arch/instructions/undefined.h new file mode 100644 index 0000000..4e9090c --- /dev/null +++ b/plugins/pychrysalide/arch/instructions/undefined.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * undefined.h - prototypes pour l'équivalent Python du fichier "arch/instructions/undefined.h" + * + * 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 + */ + + +#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_UNDEFINED_H +#define _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_UNDEFINED_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Fournit un accès à une définition de type à diffuser. */ +PyTypeObject *get_python_undefined_instruction_type(void); + +/* Prend en charge l'objet 'pychrysalide.arch.UndefinedInstruction'. */ +bool ensure_python_undefined_instruction_is_registered(void); + +/* Tente de convertir en instruction non définie. */ +int convert_to_undefined_instruction(PyObject *, void *); + + + +#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_INSTRUCTIONS_UNDEFINED_H */ |