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-rw-r--r--plugins/pychrysalide/arch/operands/Makefile.am1
-rw-r--r--plugins/pychrysalide/arch/operands/module.c2
-rw-r--r--plugins/pychrysalide/arch/operands/target.c483
-rw-r--r--plugins/pychrysalide/arch/operands/target.h48
4 files changed, 534 insertions, 0 deletions
diff --git a/plugins/pychrysalide/arch/operands/Makefile.am b/plugins/pychrysalide/arch/operands/Makefile.am
index 2074b6b..d4e9838 100644
--- a/plugins/pychrysalide/arch/operands/Makefile.am
+++ b/plugins/pychrysalide/arch/operands/Makefile.am
@@ -9,6 +9,7 @@ libpychrysaarchoperands_la_SOURCES = \
proxy.h proxy.c \
register.h register.c \
rename.h rename.c \
+ target.h target.c \
targetable.h targetable.c
libpychrysaarchoperands_la_LIBADD =
diff --git a/plugins/pychrysalide/arch/operands/module.c b/plugins/pychrysalide/arch/operands/module.c
index 15d7835..f1669fb 100644
--- a/plugins/pychrysalide/arch/operands/module.c
+++ b/plugins/pychrysalide/arch/operands/module.c
@@ -33,6 +33,7 @@
#include "proxy.h"
#include "register.h"
#include "rename.h"
+#include "target.h"
#include "targetable.h"
#include "../../helpers.h"
@@ -106,6 +107,7 @@ bool populate_arch_operands_module(void)
if (result) result = ensure_python_register_operand_is_registered();
if (result) result = ensure_python_renamed_operand_is_registered();
if (result) result = ensure_python_renameable_operand_is_registered();
+ if (result) result = ensure_python_target_operand_is_registered();
if (result) result = ensure_python_targetable_operand_is_registered();
assert(result);
diff --git a/plugins/pychrysalide/arch/operands/target.c b/plugins/pychrysalide/arch/operands/target.c
new file mode 100644
index 0000000..5cd9f59
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/target.c
@@ -0,0 +1,483 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * target.c - équivalent Python du fichier "arch/operands/target.c"
+ *
+ * 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 "target.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <arch/operands/target-int.h>
+#include <plugins/dt.h>
+
+
+#include "targetable.h"
+#include "../operand.h"
+#include "../../access.h"
+#include "../../helpers.h"
+#include "../../analysis/constants.h"
+#include "../../analysis/content.h"
+#include "../../arch/vmpa.h"
+#include "../../format/format.h"
+
+
+
+/* ------------------------ GLUE POUR CREATION DEPUIS PYTHON ------------------------ */
+
+
+/* Accompagne la création d'une instance dérivée en Python. */
+static PyObject *py_target_operand_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Initialise la classe des descriptions de fichier binaire. */
+static void py_target_operand_init_gclass(GTargetOperandClass *, gpointer);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_target_operand_init(PyObject *, PyObject *, PyObject *);
+
+
+
+/* ------------------ OPERANDES CONSTITUANT DE PURS INTERMEDIAIRES ------------------ */
+
+
+/* Tente une résolution de symbole. */
+static PyObject *py_target_operand_resolve(PyObject *, PyObject *);
+
+/* Renseigne la taille de la valeur indiquée à la construction. */
+static PyObject *py_target_operand_get_size(PyObject *, void *);
+
+/* Fournit les indications concernant le symbole associé. */
+static PyObject *py_target_operand_get_symbol(PyObject *, void *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* GLUE POUR CREATION DEPUIS PYTHON */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* 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_target_operand_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_target_operand_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_TARGET_OPERAND, type->tp_name,
+ (GClassInitFunc)py_target_operand_init_gclass, 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 : class = classe à initialiser. *
+* unused = données non utilisées ici. *
+* *
+* Description : Initialise la classe des descriptions de fichier binaire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void py_target_operand_init_gclass(GTargetOperandClass *class, gpointer unused)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* 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_target_operand_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+ MemoryDataSize size; /* Taille des adresses mémoire */
+ vmpa2t *addr; /* Emplacement de symbole */
+ int ret; /* Bilan de lecture des args. */
+ GTargetOperand *operand; /* Opérande à manipuler */
+
+#define TARGET_OPERAND_DOC \
+ "The TargetOperand object translates immediate values as symbols.\n" \
+ "\n" \
+ "Instances can be created using the following constructor:\n" \
+ "\n" \
+ " TargetOperand(size, addr)" \
+ "\n" \
+ "Where size is a pychrysalide.analysis.BinContent.MemoryDataSize value" \
+ " describing the size of memory addresses and addr is the location of" \
+ " a symbol to target, as a pychrysalide.arch.vmpa value."
+
+ /* Récupération des paramètres */
+
+ ret = PyArg_ParseTuple(args, "O&O&", convert_to_memory_data_size, &size, convert_any_to_vmpa, &addr);
+ if (!ret) return -1;
+
+ /* Initialisation d'un objet GLib */
+
+ ret = forward_pygobjet_init(self);
+ if (ret == -1) return -1;
+
+ /* Eléments de base */
+
+ operand = G_TARGET_OPERAND(pygobject_get(self));
+
+ operand->size = size;
+ copy_vmpa(&operand->addr, addr);
+
+ clean_vmpa_arg(addr);
+
+ return 0;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* OPERANDES CONSTITUANT DE PURS INTERMEDIAIRES */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : self = serveur à manipuler. *
+* args = arguments d'appel non utilisés ici. *
+* *
+* Description : Tente une résolution de symbole. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_target_operand_resolve(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Bilan à retourner */
+ GBinFormat *format; /* Format de binaire reconnu */
+ int strict; /* Perfection attendue ? */
+ int ret; /* Bilan de lecture des args. */
+ GTargetOperand *operand; /* Version GLib de l'opérande */
+ bool status; /* Bilan de l'opération */
+
+#define TARGET_OPERAND_RESOLVE_METHOD PYTHON_METHOD_DEF \
+( \
+ resolve, "$self, format, strict, /", \
+ METH_VARARGS, py_target_operand, \
+ "Try to resolve the value carried by the operand as the" \
+ " address of an existing symbol.\n" \
+ "\n" \
+ "The provided format has to be a pychrysalide.format.BinFormat" \
+ " instance and the *strict* argument defines if an offset is" \
+ " allowed between the value and the symbol's address.\n" \
+ "\n" \
+ "The result is True if the resolution is successful, False" \
+ " otherwise." \
+)
+
+ ret = PyArg_ParseTuple(args, "O&p", convert_to_binary_format, &format, &strict);
+ if (!ret) return NULL;
+
+ operand = G_TARGET_OPERAND(pygobject_get(self));
+
+ status = g_target_operand_resolve(operand, format, strict);
+
+ result = status ? Py_True : Py_False;
+ Py_INCREF(result);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* closure = non utilisé ici. *
+* *
+* Description : Renseigne la taille de la valeur indiquée à la construction. *
+* *
+* Retour : Taille de la valeur représentée en mémoire. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_target_operand_get_size(PyObject *self, void *closure)
+{
+ PyObject *result; /* Instance Python à retourner */
+ GTargetOperand *operand; /* Version GLib de l'opérande */
+ MemoryDataSize size; /* Taille à transmettre */
+
+#define TARGET_OPERAND_SIZE_ATTRIB PYTHON_GET_DEF_FULL \
+( \
+ size, py_target_operand, \
+ "Provide the size of the value carried by the operand.\n" \
+ "\n" \
+ "The result is a pychrysalide.analysis.BinContent.MemoryDataSize value." \
+)
+
+ operand = G_TARGET_OPERAND(pygobject_get(self));
+
+ size = g_target_operand_get_size(operand);
+
+ result = cast_with_constants_group_from_type(get_python_binary_content_type(), "MemoryDataSize", size);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* closure = non utilisé ici. *
+* *
+* Description : Fournit les indications concernant le symbole associé. *
+* *
+* Retour : Symbole résolu ou NULL si aucun. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_target_operand_get_symbol(PyObject *self, void *closure)
+{
+ PyObject *result; /* Instance Python à retourner */
+ GTargetOperand *operand; /* Version GLib de l'opérande */
+ GBinSymbol *symbol; /* Symbole attaché à l'opérande*/
+ phys_t diff; /* Décalage avec la base */
+
+#define TARGET_OPERAND_SYMBOL_ATTRIB PYTHON_GET_DEF_FULL \
+( \
+ symbol, py_target_operand, \
+ "Give the resolved symbol linked to the operand.\n" \
+ "\n" \
+ "The result is a pychrysalide.format.BinSymbol instance" \
+ " or None." \
+)
+
+ operand = G_TARGET_OPERAND(pygobject_get(self));
+
+ symbol = g_target_operand_get_symbol(operand, &diff);
+
+ result = pygobject_new(G_OBJECT(symbol));
+ g_object_unref(symbol);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_target_operand_type(void)
+{
+ static PyMethodDef py_target_operand_methods[] = {
+ TARGET_OPERAND_RESOLVE_METHOD,
+ { NULL }
+ };
+
+ static PyGetSetDef py_target_operand_getseters[] = {
+ TARGET_OPERAND_SIZE_ATTRIB,
+ TARGET_OPERAND_SYMBOL_ATTRIB,
+ { NULL }
+ };
+
+ static PyTypeObject py_target_operand_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.arch.operands.TargetOperand",
+ .tp_basicsize = sizeof(PyGObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = TARGET_OPERAND_DOC,
+
+ .tp_methods = py_target_operand_methods,
+ .tp_getset = py_target_operand_getseters,
+
+ .tp_init = py_target_operand_init,
+ .tp_new = py_target_operand_new,
+
+ };
+
+ return &py_target_operand_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.arch.ArchOperand'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool ensure_python_target_operand_is_registered(void)
+{
+ PyTypeObject *type; /* Type Python 'ArchOperand' */
+ PyObject *module; /* Module à recompléter */
+ PyObject *dict; /* Dictionnaire du module */
+
+ type = get_python_target_operand_type();
+
+ if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+ {
+ module = get_access_to_python_module("pychrysalide.arch.operands");
+
+ dict = PyModule_GetDict(module);
+
+ if (!ensure_python_targetable_operand_is_registered())
+ return false;
+
+ if (!register_class_for_pygobject(dict, G_TYPE_TARGET_OPERAND, type, get_python_arch_operand_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 opérande ciblant idéalement un symbole.*
+* *
+* Retour : Bilan de l'opération, voire indications supplémentaires. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int convert_to_target_operand(PyObject *arg, void *dst)
+{
+ int result; /* Bilan à retourner */
+
+ result = PyObject_IsInstance(arg, (PyObject *)get_python_target_operand_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 target operand");
+ break;
+
+ case 1:
+ *((GTargetOperand **)dst) = G_TARGET_OPERAND(pygobject_get(arg));
+ break;
+
+ default:
+ assert(false);
+ break;
+
+ }
+
+ return result;
+
+}
diff --git a/plugins/pychrysalide/arch/operands/target.h b/plugins/pychrysalide/arch/operands/target.h
new file mode 100644
index 0000000..8463079
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/target.h
@@ -0,0 +1,48 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * target.h - prototypes pour l'équivalent Python du fichier "arch/operands/target.h"
+ *
+ * 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_OPERANDS_TARGET_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_TARGET_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* ------------------ OPERANDES CONSTITUANT DE PURS INTERMEDIAIRES ------------------ */
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_target_operand_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.arch.operands.TargetOperand'. */
+bool ensure_python_target_operand_is_registered(void);
+
+/* Tente de convertir en opérande ciblant idéalement un symbole. */
+int convert_to_target_operand(PyObject *, void *);
+
+
+
+#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_TARGET_H */
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