Extend the ROST grammar with a first batch of new features.

25 files changed, 2730 insertions, 99 deletions

diff --git a/src/analysis/scan/items/Makefile.am b/src/analysis/scan/items/Makefile.am
index 3a6bb62..ce39cad 100644
--- a/src/analysis/scan/items/Makefile.am
+++ b/src/analysis/scan/items/Makefile.am
@@ -2,14 +2,32 @@
 noinst_LTLIBRARIES  = libanalysisscanitems.la
 
 
+if BUILD_MAGIC_SUPPORT
+
+MAGIC_LIBADD = magic/libanalysisscanitemsmagic.la
+
+MAGIC_SUBDIRS = magic
+
+endif
+
+
 libanalysisscanitems_la_SOURCES =			\
+	count.h count.c							\
 	datasize.h datasize.c					\
 	uint-int.h								\
 	uint.h uint.c
 
+libanalysisscanitems_la_LIBADD = 			\
+	console/libanalysisscanitemsconsole.la	\
+	$(MAGIC_LIBADD)							\
+	time/libanalysisscanitemstime.la
+
 libanalysisscanitems_la_CFLAGS = $(LIBGOBJ_CFLAGS)
 
 
 devdir = $(includedir)/chrysalide/$(subdir:src/%=core/%)
 
 dev_HEADERS = $(libanalysisscanitems_la_SOURCES:%c=)
+
+
+SUBDIRS = console $(MAGIC_SUBDIRS) time
diff --git a/src/analysis/scan/items/console/Makefile.am b/src/analysis/scan/items/console/Makefile.am
new file mode 100644
index 0000000..4433789
--- /dev/null
+++ b/src/analysis/scan/items/console/Makefile.am
@@ -0,0 +1,13 @@
+
+noinst_LTLIBRARIES  = libanalysisscanitemsconsole.la
+
+
+libanalysisscanitemsconsole_la_SOURCES =	\
+	log.h log.c
+
+libanalysisscanitemsconsole_la_CFLAGS = $(LIBGOBJ_CFLAGS)
+
+
+devdir = $(includedir)/chrysalide/$(subdir:src/%=core/%)
+
+dev_HEADERS = $(libanalysisscanitemsconsole_la_SOURCES:%c=)
diff --git a/src/analysis/scan/items/console/log.c b/src/analysis/scan/items/console/log.c
new file mode 100644
index 0000000..f4031c7
--- /dev/null
+++ b/src/analysis/scan/items/console/log.c
@@ -0,0 +1,303 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * log.c - affichage de message à partir des conditions d'une règle
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "log.h"
+
+
+#include <ctype.h>
+
+
+#include "../../item-int.h"
+#include "../../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des affichages de messages. */
+static void g_scan_console_log_function_class_init(GScanConsoleLogFunctionClass *);
+
+/* Initialise une instance d'affichage de message. */
+static void g_scan_console_log_function_init(GScanConsoleLogFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_console_log_function_dispose(GScanConsoleLogFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_console_log_function_finalize(GScanConsoleLogFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_console_log_function_get_name(const GScanConsoleLogFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_console_log_function_run_call(GScanConsoleLogFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour un afficheur de messages arbitraires. */
+G_DEFINE_TYPE(GScanConsoleLogFunction, g_scan_console_log_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des affichages de messages.             *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_console_log_function_class_init(GScanConsoleLogFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_console_log_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_console_log_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_console_log_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_console_log_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance d'affichage de message.              *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_console_log_function_init(GScanConsoleLogFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_console_log_function_dispose(GScanConsoleLogFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_console_log_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_console_log_function_finalize(GScanConsoleLogFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_console_log_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction d'affichage de messages quelconques.  *
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GScanConsoleLogFunction *g_scan_console_log_function_new(void)
+{
+    GScanConsoleLogFunction *result;              /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_CONSOLE_LOG_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_console_log_function_get_name(const GScanConsoleLogFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("log");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_console_log_function_run_call(GScanConsoleLogFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    size_t i;                               /* Boucle de parcours #1       */
+    LiteralValueType vtype;                 /* Type de valeur portée       */
+    GScanLiteralExpression *literal;        /* Version plus accessible     */
+    bool boolean;                           /* Valeur booléenne            */
+    long long sinteger;                     /* Valeur entière signée   */
+    unsigned long long uinteger;            /* Valeur entière non signée   */
+    const sized_string_t *string;           /* Description du chaîne       */
+    size_t k;                               /* Boucle de parcours #2       */
+
+    result = true;
+
+    if (count == 0)
+        goto done;
+
+    for (i = 0; i < count && result; i++)
+        result = G_IS_SCAN_LITERAL_EXPRESSION(args[i]);
+
+    if (!result)
+        goto done;
+
+    for (i = 0; i < count; i++)
+    {
+        literal = G_SCAN_LITERAL_EXPRESSION(args[i]);
+
+        vtype = g_scan_literal_expression_get_value_type(literal);
+
+        switch (vtype)
+        {
+            case LVT_BOOLEAN:
+                result = g_scan_literal_expression_get_boolean_value(literal, &boolean);
+                if (result)
+                    fprintf(stderr, "%s", boolean ? "true" : "false");
+                break;
+
+            case LVT_SIGNED_INTEGER:
+                result = g_scan_literal_expression_get_signed_integer_value(literal, &sinteger);
+                if (result)
+                    fprintf(stderr, "0x%llx", sinteger);
+                break;
+
+            case LVT_UNSIGNED_INTEGER:
+                result = g_scan_literal_expression_get_unsigned_integer_value(literal, &uinteger);
+                if (result)
+                    fprintf(stderr, "0x%llx", uinteger);
+                break;
+
+            case LVT_STRING:
+                result = g_scan_literal_expression_get_string_value(literal, &string);
+                for (k = 0; k < string->len; k++)
+                {
+                    if (isprint(string->data[k]))
+                        fprintf(stderr, "%c", string->data[k]);
+                    else
+                        fprintf(stderr, "\\x%02hhx", string->data[k]);
+                }
+                break;
+
+            default:
+                break;
+
+        }
+
+    }
+
+    fprintf(stderr, "\n");
+
+ done:
+
+    if (result)
+        *out = G_OBJECT(g_scan_literal_expression_new(LVT_BOOLEAN, (bool []){ result }));
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/console/log.h b/src/analysis/scan/items/console/log.h
new file mode 100644
index 0000000..3e72ad8
--- /dev/null
+++ b/src/analysis/scan/items/console/log.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * log.h - prototypes pour l'affichage de message à partir des conditions d'une règle
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_CONSOLE_LOG_H
+#define _ANALYSIS_SCAN_ITEMS_CONSOLE_LOG_H
+
+
+#include <glib-object.h>
+
+
+#include "../../item.h"
+
+
+
+#define G_TYPE_SCAN_CONSOLE_LOG_FUNCTION            g_scan_console_log_function_get_type()
+#define G_SCAN_CONSOLE_LOG_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_CONSOLE_LOG_FUNCTION, GScanConsoleLogFunction))
+#define G_IS_SCAN_CONSOLE_LOG_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_CONSOLE_LOG_FUNCTION))
+#define G_SCAN_CONSOLE_LOG_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_CONSOLE_LOG_FUNCTION, GScanConsoleLogFunctionClass))
+#define G_IS_SCAN_CONSOLE_LOG_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_CONSOLE_LOG_FUNCTION))
+#define G_SCAN_CONSOLE_LOG_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_CONSOLE_LOG_FUNCTION, GScanConsoleLogFunctionClass))
+
+
+/* Mesure de la quantité de données scannées (instance) */
+typedef GRegisteredItem GScanConsoleLogFunction;
+
+/* Mesure de la quantité de données scannées (classe) */
+typedef GRegisteredItemClass GScanConsoleLogFunctionClass;
+
+
+/* Indique le type défini pour un afficheur de messages arbitraires. */
+GType g_scan_console_log_function_get_type(void);
+
+/* Constitue une fonction d'affichage de messages quelconques. */
+GScanConsoleLogFunction *g_scan_console_log_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_CONSOLE_LOG_H */
diff --git a/src/analysis/scan/items/count.c b/src/analysis/scan/items/count.c
new file mode 100644
index 0000000..d87d33b
--- /dev/null
+++ b/src/analysis/scan/items/count.c
@@ -0,0 +1,244 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * count.c - récupération de la taille du contenu scanné
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "count.h"
+
+
+#include "../item-int.h"
+#include "../exprs/arithmetic.h"
+#include "../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des décomptes d'ensemble homogène. */
+static void g_scan_count_function_class_init(GScanCountFunctionClass *);
+
+/* Initialise une instance de décompte d'ensemble homogène. */
+static void g_scan_count_function_init(GScanCountFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_count_function_dispose(GScanCountFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_count_function_finalize(GScanCountFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_count_function_get_name(const GScanCountFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_count_function_run_call(GScanCountFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour un décompte d'ensemble. */
+G_DEFINE_TYPE(GScanCountFunction, g_scan_count_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des décomptes d'ensemble homogène.      *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_count_function_class_init(GScanCountFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_count_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_count_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_count_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_count_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de décompte d'ensemble homogène.     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_count_function_init(GScanCountFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_count_function_dispose(GScanCountFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_count_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_count_function_finalize(GScanCountFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_count_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction de décompte d'éléments d'un ensemble. *
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GRegisteredItem *g_scan_count_function_new(void)
+{
+    GScanCountFunction *result;              /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_COUNT_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_count_function_get_name(const GScanCountFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("count");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_count_function_run_call(GScanCountFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    size_t value;                           /* Nouveau décompte            */
+
+    if (count != 1)
+        result = false;
+
+    else
+    {
+        result = g_scan_expression_count_items(args[0], &value);
+
+        if (result)
+            *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER, (unsigned long long []){ value }));
+
+    }
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/count.h b/src/analysis/scan/items/count.h
new file mode 100644
index 0000000..2429e40
--- /dev/null
+++ b/src/analysis/scan/items/count.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * count.h - prototypes pour la récupération de la taille du contenu scanné
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_COUNT_H
+#define _ANALYSIS_SCAN_ITEMS_COUNT_H
+
+
+#include <glib-object.h>
+
+
+#include "../item.h"
+
+
+
+#define G_TYPE_SCAN_COUNT_FUNCTION            g_scan_count_function_get_type()
+#define G_SCAN_COUNT_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_COUNT_FUNCTION, GScanCountFunction))
+#define G_IS_SCAN_COUNT_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_COUNT_FUNCTION))
+#define G_SCAN_COUNT_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_COUNT_FUNCTION, GScanCountFunctionClass))
+#define G_IS_SCAN_COUNT_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_COUNT_FUNCTION))
+#define G_SCAN_COUNT_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_COUNT_FUNCTION, GScanCountFunctionClass))
+
+
+/* Mesure de la quantité de données scannées (instance) */
+typedef GRegisteredItem GScanCountFunction;
+
+/* Mesure de la quantité de données scannées (classe) */
+typedef GRegisteredItemClass GScanCountFunctionClass;
+
+
+/* Indique le type défini pour un décompte d'ensemble. */
+GType g_scan_count_function_get_type(void);
+
+/* Constitue une fonction de décompte d'éléments d'un ensemble. */
+GRegisteredItem *g_scan_count_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_COUNT_H */
diff --git a/src/analysis/scan/items/datasize.c b/src/analysis/scan/items/datasize.c
index 618d0c3..55e2d3b 100644
--- a/src/analysis/scan/items/datasize.c
+++ b/src/analysis/scan/items/datasize.c
@@ -2,7 +2,7 @@
 /* Chrysalide - Outil d'analyse de fichiers binaires
  * datasize.c - récupération de la taille du contenu scanné
  *
- * Copyright (C) 2022 Cyrille Bagard
+ * Copyright (C) 2023 Cyrille Bagard
  *
  *  This file is part of Chrysalide.
  *
@@ -33,16 +33,16 @@
 
 
 /* Initialise la classe des mesures de quantité de données. */
-static void g_datasize_function_class_init(GDatasizeFunctionClass *);
+static void g_scan_datasize_function_class_init(GScanDatasizeFunctionClass *);
 
 /* Initialise une instance de mesure de quantité de données. */
-static void g_datasize_function_init(GDatasizeFunction *);
+static void g_scan_datasize_function_init(GScanDatasizeFunction *);
 
 /* Supprime toutes les références externes. */
-static void g_datasize_function_dispose(GDatasizeFunction *);
+static void g_scan_datasize_function_dispose(GScanDatasizeFunction *);
 
 /* Procède à la libération totale de la mémoire. */
-static void g_datasize_function_finalize(GDatasizeFunction *);
+static void g_scan_datasize_function_finalize(GScanDatasizeFunction *);
 
 
 
@@ -50,13 +50,13 @@ static void g_datasize_function_finalize(GDatasizeFunction *);
 
 
 /* Indique le nom associé à une expression d'évaluation. */
-static char *g_datasize_function_get_name(const GDatasizeFunction *);
+static char *g_scan_datasize_function_get_name(const GScanDatasizeFunction *);
 
 /* Réduit une expression à une forme plus simple. */
-static bool g_datasize_function_reduce(GDatasizeFunction *, GScanContext *, GScanScope *, GScanExpression **);
+static bool g_scan_datasize_function_reduce(GScanDatasizeFunction *, GScanContext *, GScanScope *, GScanExpression **);
 
 /* Réduit une expression à une forme plus simple. */
-static bool g_datasize_function_run_call(GDatasizeFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+static bool g_scan_datasize_function_run_call(GScanDatasizeFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
 
 
 
@@ -66,7 +66,7 @@ static bool g_datasize_function_run_call(GDatasizeFunction *, GScanExpression **
 
 
 /* Indique le type défini pour une mesure de quantité de données scannées. */
-G_DEFINE_TYPE(GDatasizeFunction, g_datasize_function, G_TYPE_REGISTERED_ITEM);
+G_DEFINE_TYPE(GScanDatasizeFunction, g_scan_datasize_function, G_TYPE_REGISTERED_ITEM);
 
 
 /******************************************************************************
@@ -81,21 +81,21 @@ G_DEFINE_TYPE(GDatasizeFunction, g_datasize_function, G_TYPE_REGISTERED_ITEM);
 *                                                                             *
 ******************************************************************************/
 
-static void g_datasize_function_class_init(GDatasizeFunctionClass *klass)
+static void g_scan_datasize_function_class_init(GScanDatasizeFunctionClass *klass)
 {
     GObjectClass *object;                   /* Autre version de la classe  */
     GRegisteredItemClass *registered;       /* Version de classe parente   */
 
     object = G_OBJECT_CLASS(klass);
 
-    object->dispose = (GObjectFinalizeFunc/* ! */)g_datasize_function_dispose;
-    object->finalize = (GObjectFinalizeFunc)g_datasize_function_finalize;
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_datasize_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_datasize_function_finalize;
 
     registered = G_REGISTERED_ITEM_CLASS(klass);
 
-    registered->get_name = (get_registered_item_name_fc)g_datasize_function_get_name;
-    registered->reduce = (reduce_registered_item_fc)g_datasize_function_reduce;
-    registered->run_call = (run_registered_item_call_fc)g_datasize_function_run_call;
+    registered->get_name = (get_registered_item_name_fc)g_scan_datasize_function_get_name;
+    registered->reduce = (reduce_registered_item_fc)g_scan_datasize_function_reduce;
+    registered->run_call = (run_registered_item_call_fc)g_scan_datasize_function_run_call;
 
 }
 
@@ -112,7 +112,7 @@ static void g_datasize_function_class_init(GDatasizeFunctionClass *klass)
 *                                                                             *
 ******************************************************************************/
 
-static void g_datasize_function_init(GDatasizeFunction *func)
+static void g_scan_datasize_function_init(GScanDatasizeFunction *func)
 {
 
 }
@@ -130,9 +130,9 @@ static void g_datasize_function_init(GDatasizeFunction *func)
 *                                                                             *
 ******************************************************************************/
 
-static void g_datasize_function_dispose(GDatasizeFunction *func)
+static void g_scan_datasize_function_dispose(GScanDatasizeFunction *func)
 {
-    G_OBJECT_CLASS(g_datasize_function_parent_class)->dispose(G_OBJECT(func));
+    G_OBJECT_CLASS(g_scan_datasize_function_parent_class)->dispose(G_OBJECT(func));
 
 }
 
@@ -149,9 +149,9 @@ static void g_datasize_function_dispose(GDatasizeFunction *func)
 *                                                                             *
 ******************************************************************************/
 
-static void g_datasize_function_finalize(GDatasizeFunction *func)
+static void g_scan_datasize_function_finalize(GScanDatasizeFunction *func)
 {
-    G_OBJECT_CLASS(g_datasize_function_parent_class)->finalize(G_OBJECT(func));
+    G_OBJECT_CLASS(g_scan_datasize_function_parent_class)->finalize(G_OBJECT(func));
 
 }
 
@@ -168,11 +168,11 @@ static void g_datasize_function_finalize(GDatasizeFunction *func)
 *                                                                             *
 ******************************************************************************/
 
-GDatasizeFunction *g_datasize_function_new(void)
+GRegisteredItem *g_scan_datasize_function_new(void)
 {
-    GDatasizeFunction *result;              /* Structure à retourner       */
+    GScanDatasizeFunction *result;              /* Structure à retourner       */
 
-    result = g_object_new(G_TYPE_DATASIZE_FUNCTION, NULL);
+    result = g_object_new(G_TYPE_SCAN_DATASIZE_FUNCTION, NULL);
 
     return result;
 
@@ -197,7 +197,7 @@ GDatasizeFunction *g_datasize_function_new(void)
 *                                                                             *
 ******************************************************************************/
 
-static char *g_datasize_function_get_name(const GDatasizeFunction *item)
+static char *g_scan_datasize_function_get_name(const GScanDatasizeFunction *item)
 {
     char *result;                           /* Désignation à retourner     */
 
@@ -223,7 +223,7 @@ static char *g_datasize_function_get_name(const GDatasizeFunction *item)
 *                                                                             *
 ******************************************************************************/
 
-static bool g_datasize_function_reduce(GDatasizeFunction *item, GScanContext *ctx, GScanScope *scope, GScanExpression **out)
+static bool g_scan_datasize_function_reduce(GScanDatasizeFunction *item, GScanContext *ctx, GScanScope *scope, GScanExpression **out)
 {
     bool result;                            /* Bilan à retourner           */
     GBinContent *content;                   /* Contenu à manipuler         */
@@ -235,7 +235,7 @@ static bool g_datasize_function_reduce(GDatasizeFunction *item, GScanContext *ct
 
     size = g_binary_content_compute_size(content);
 
-    *out = g_literal_expression_new(EVT_INTEGER, (unsigned long long []){ size });
+    *out = g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER, (unsigned long long []){ size });
 
     g_object_unref(G_OBJECT(content));
 
@@ -261,11 +261,11 @@ static bool g_datasize_function_reduce(GDatasizeFunction *item, GScanContext *ct
 *                                                                             *
 ******************************************************************************/
 
-static bool g_datasize_function_run_call(GDatasizeFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+static bool g_scan_datasize_function_run_call(GScanDatasizeFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
 {
     bool result;                            /* Bilan à retourner           */
 
-    result = g_datasize_function_reduce(item, ctx, scope, (GScanExpression **)out);
+    result = g_scan_datasize_function_reduce(item, ctx, scope, (GScanExpression **)out);
 
     return result;
 
diff --git a/src/analysis/scan/items/datasize.h b/src/analysis/scan/items/datasize.h
index bd8e185..476df2d 100644
--- a/src/analysis/scan/items/datasize.h
+++ b/src/analysis/scan/items/datasize.h
@@ -2,7 +2,7 @@
 /* Chrysalide - Outil d'analyse de fichiers binaires
  * datasize.h - prototypes pour la récupération de la taille du contenu scanné
  *
- * Copyright (C) 2022 Cyrille Bagard
+ * Copyright (C) 2023 Cyrille Bagard
  *
  *  This file is part of Chrysalide.
  *
@@ -32,26 +32,26 @@
 
 
 
-#define G_TYPE_DATASIZE_FUNCTION            g_datasize_function_get_type()
-#define G_DATASIZE_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_DATASIZE_FUNCTION, GDatasizeFunction))
-#define G_IS_DATASIZE_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_DATASIZE_FUNCTION))
-#define G_DATASIZE_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DATASIZE_FUNCTION, GDatasizeFunctionClass))
-#define G_IS_DATASIZE_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DATASIZE_FUNCTION))
-#define G_DATASIZE_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DATASIZE_FUNCTION, GDatasizeFunctionClass))
+#define G_TYPE_SCAN_DATASIZE_FUNCTION            g_scan_datasize_function_get_type()
+#define G_SCAN_DATASIZE_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_DATASIZE_FUNCTION, GScanDatasizeFunction))
+#define G_IS_SCAN_DATASIZE_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_DATASIZE_FUNCTION))
+#define G_SCAN_DATASIZE_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_DATASIZE_FUNCTION, GScanDatasizeFunctionClass))
+#define G_IS_SCAN_DATASIZE_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_DATASIZE_FUNCTION))
+#define G_SCAN_DATASIZE_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_DATASIZE_FUNCTION, GScanDatasizeFunctionClass))
 
 
 /* Mesure de la quantité de données scannées (instance) */
-typedef GRegisteredItem GDatasizeFunction;
+typedef GRegisteredItem GScanDatasizeFunction;
 
 /* Mesure de la quantité de données scannées (classe) */
-typedef GRegisteredItemClass GDatasizeFunctionClass;
+typedef GRegisteredItemClass GScanDatasizeFunctionClass;
 
 
 /* Indique le type défini pour une mesure de quantité de données scannées. */
-GType g_datasize_function_get_type(void);
+GType g_scan_datasize_function_get_type(void);
 
 /* Constitue une fonction de récupération de taille de données. */
-GDatasizeFunction *g_datasize_function_new(void);
+GRegisteredItem *g_scan_datasize_function_new(void);
 
 
 
diff --git a/src/analysis/scan/items/magic/Makefile.am b/src/analysis/scan/items/magic/Makefile.am
new file mode 100644
index 0000000..1d741ff
--- /dev/null
+++ b/src/analysis/scan/items/magic/Makefile.am
@@ -0,0 +1,16 @@
+
+noinst_LTLIBRARIES  = libanalysisscanitemsmagic.la
+
+
+libanalysisscanitemsmagic_la_SOURCES =		\
+	cookie.h cookie.c						\
+	mime-encoding.h mime-encoding.c			\
+	mime-type.h mime-type.c					\
+	type.h type.c
+
+libanalysisscanitemsmagic_la_CFLAGS = $(LIBGOBJ_CFLAGS) $(LIBMAGIC_CFLAGS)
+
+
+devdir = $(includedir)/chrysalide/$(subdir:src/%=core/%)
+
+dev_HEADERS = $(libanalysisscanitemsmagic_la_SOURCES:%c=)
diff --git a/src/analysis/scan/items/magic/cookie.c b/src/analysis/scan/items/magic/cookie.c
new file mode 100644
index 0000000..41f26a0
--- /dev/null
+++ b/src/analysis/scan/items/magic/cookie.c
@@ -0,0 +1,122 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * cookie.c - chargement des motifs de reconnaissance de contenus
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "cookie.h"
+
+
+#include <assert.h>
+
+
+#include <i18n.h>
+
+
+#include "../../../../core/logs.h"
+
+
+
+/* Référence des bibliothèques de reconnaissance */
+static magic_t __magic_cookie = 0;
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Charge les motifs de reconnaissance de contenus.             *
+*                                                                             *
+*  Retour      : Bilan de l'opération de chargemement.                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool init_magic_cookie(void)
+{
+    bool result;                            /* Bilan à retourner           */
+    int ret;                                /* Bilan d'une opération       */
+
+    __magic_cookie = magic_open(0);
+
+    ret = magic_load(__magic_cookie, NULL);
+    result = (ret != -1);
+
+    if (!result)
+        log_variadic_message(LMT_EXT_ERROR, _("cannot load magic database: %s"), magic_error(__magic_cookie));
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Décharge les motifs de reconnaissance de contenus.           *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void exit_magic_cookie(void)
+{
+    magic_close(__magic_cookie);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : flags = forme de reconnaissance à préparer.                  *
+*                                                                             *
+*  Description : Fournit la référence aux mécanismes de reconnaissance.       *
+*                                                                             *
+*  Retour      : Cookie prêt à emploi.                                        * 
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+magic_t get_magic_cookie(int flags)
+{
+    magic_t result;                         /* Référence à retourner       */
+#ifndef NDEBUG
+    int ret;                                /* Bilan de la préparation     */
+#endif
+
+    result = __magic_cookie;
+    assert(result != 0);
+
+#ifndef NDEBUG
+    ret = magic_setflags(result, flags);
+    assert(ret != -1);
+#else
+    magic_setflags(result, flags);
+#endif
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/magic/cookie.h b/src/analysis/scan/items/magic/cookie.h
new file mode 100644
index 0000000..0ee2274
--- /dev/null
+++ b/src/analysis/scan/items/magic/cookie.h
@@ -0,0 +1,44 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * cookie.h - prototypes pour le chargement des motifs de reconnaissance de contenus
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_MAGIC_COOKIE_H
+#define _ANALYSIS_SCAN_ITEMS_MAGIC_COOKIE_H
+
+
+#include <magic.h>
+#include <stdbool.h>
+
+
+
+/* Charge les motifs de reconnaissance de contenus. */
+bool init_magic_cookie(void);
+
+/* Décharge les motifs de reconnaissance de contenus. */
+void exit_magic_cookie(void);
+
+/* Fournit la référence aux mécanismes de reconnaissance. */
+magic_t get_magic_cookie(int);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_MAGIC_COOKIE_H */
diff --git a/src/analysis/scan/items/magic/mime-encoding.c b/src/analysis/scan/items/magic/mime-encoding.c
new file mode 100644
index 0000000..935515d
--- /dev/null
+++ b/src/analysis/scan/items/magic/mime-encoding.c
@@ -0,0 +1,270 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * mime-encoding.c - reconnaissance de l'encodage d'un contenu
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "mime-encoding.h"
+
+
+#include "cookie.h"
+#include "../../item-int.h"
+#include "../../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des reconnaissances de contenus. */
+static void g_scan_mime_encoding_function_class_init(GScanMimeEncodingFunctionClass *);
+
+/* Initialise une instance de reconnaissance de contenus. */
+static void g_scan_mime_encoding_function_init(GScanMimeEncodingFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_mime_encoding_function_dispose(GScanMimeEncodingFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_mime_encoding_function_finalize(GScanMimeEncodingFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_mime_encoding_function_get_name(const GScanMimeEncodingFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_mime_encoding_function_run_call(GScanMimeEncodingFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour une reconnaissance d'encodages de contenus. */
+G_DEFINE_TYPE(GScanMimeEncodingFunction, g_scan_mime_encoding_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des reconnaissances de contenus.        *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_encoding_function_class_init(GScanMimeEncodingFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_mime_encoding_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_mime_encoding_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_mime_encoding_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_mime_encoding_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de reconnaissance de contenus.       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_encoding_function_init(GScanMimeEncodingFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_encoding_function_dispose(GScanMimeEncodingFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_mime_encoding_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_encoding_function_finalize(GScanMimeEncodingFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_mime_encoding_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction de cernement d'encodages de contenus. *
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GRegisteredItem *g_scan_mime_encoding_function_new(void)
+{
+    GRegisteredItem *result;                /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_MIME_ENCODING_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_mime_encoding_function_get_name(const GScanMimeEncodingFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("mime_encoding");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_mime_encoding_function_run_call(GScanMimeEncodingFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    magic_t cookie;                         /* Référence des bibliothèques */
+    GBinContent *content;                   /* Contenu à manipuler         */
+    vmpa2t pos;                             /* Tête de lecture             */
+    phys_t size;                            /* Quantité de données dispos. */
+    const bin_t *data;                      /* Accès à des données         */
+    const char *desc;                       /* Description du contenu      */
+    sized_string_t string;                  /* Description à diffuser      */
+
+    result = (count == 0);
+    if (!result) goto exit;
+
+    cookie = get_magic_cookie(MAGIC_MIME_ENCODING);
+
+    content = g_scan_context_get_content(ctx);
+
+    g_binary_content_compute_start_pos(content, &pos);
+
+    size = g_binary_content_compute_size(content);
+
+    data = g_binary_content_get_raw_access(content, &pos, size);
+
+    desc = magic_buffer(cookie, data, size);
+
+    if (desc != NULL)
+    {
+        string.data = (char *)desc;
+        string.len = strlen(desc);
+    }
+    else
+    {
+        string.data = "";
+        string.len = 0;
+    }
+
+    *out = G_OBJECT(g_scan_literal_expression_new(LVT_STRING, &string));
+
+    g_object_unref(G_OBJECT(content));
+
+ exit:
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/magic/mime-encoding.h b/src/analysis/scan/items/magic/mime-encoding.h
new file mode 100644
index 0000000..9349d55
--- /dev/null
+++ b/src/analysis/scan/items/magic/mime-encoding.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * mime-encoding.h - prototypes pour la reconnaissance de l'encodage d'un contenu
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_MAGIC_MIME_ENCODING_H
+#define _ANALYSIS_SCAN_ITEMS_MAGIC_MIME_ENCODING_H
+
+
+#include <glib-object.h>
+
+
+#include "../../item.h"
+
+
+
+#define G_TYPE_SCAN_MIME_ENCODING_FUNCTION            g_scan_mime_encoding_function_get_type()
+#define G_SCAN_MIME_ENCODING_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_MIME_ENCODING_FUNCTION, GScanMimeEncodingFunction))
+#define G_IS_SCAN_MIME_ENCODING_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_MIME_ENCODING_FUNCTION))
+#define G_SCAN_MIME_ENCODING_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_MIME_ENCODING_FUNCTION, GScanMimeEncodingFunctionClass))
+#define G_IS_SCAN_MIME_ENCODING_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_MIME_ENCODING_FUNCTION))
+#define G_SCAN_MIME_ENCODING_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_MIME_ENCODING_FUNCTION, GScanMimeEncodingFunctionClass))
+
+
+/* Reconnaissance d'encodages de contenus (instance) */
+typedef GRegisteredItem GScanMimeEncodingFunction;
+
+/* Reconnaissance d'encodages de contenus (classe) */
+typedef GRegisteredItemClass GScanMimeEncodingFunctionClass;
+
+
+/* Indique le type défini pour une reconnaissance d'encodages de contenus. */
+GType g_scan_mime_encoding_function_get_type(void);
+
+/* Constitue une fonction de cernement d'encodages de contenus. */
+GRegisteredItem *g_scan_mime_encoding_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_MAGIC_MIME_ENCODING_H */
diff --git a/src/analysis/scan/items/magic/mime-type.c b/src/analysis/scan/items/magic/mime-type.c
new file mode 100644
index 0000000..95e441d
--- /dev/null
+++ b/src/analysis/scan/items/magic/mime-type.c
@@ -0,0 +1,270 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * type.c - reconnaissance du type MIME d'un contenu
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "mime-type.h"
+
+
+#include "cookie.h"
+#include "../../item-int.h"
+#include "../../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des reconnaissances de contenus. */
+static void g_scan_mime_type_function_class_init(GScanMimeTypeFunctionClass *);
+
+/* Initialise une instance de reconnaissance de contenus. */
+static void g_scan_mime_type_function_init(GScanMimeTypeFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_mime_type_function_dispose(GScanMimeTypeFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_mime_type_function_finalize(GScanMimeTypeFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_mime_type_function_get_name(const GScanMimeTypeFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_mime_type_function_run_call(GScanMimeTypeFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour une reconnaissance de types de contenus. */
+G_DEFINE_TYPE(GScanMimeTypeFunction, g_scan_mime_type_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des reconnaissances de contenus.        *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_type_function_class_init(GScanMimeTypeFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_mime_type_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_mime_type_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_mime_type_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_mime_type_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de reconnaissance de contenus.       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_type_function_init(GScanMimeTypeFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_type_function_dispose(GScanMimeTypeFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_mime_type_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_mime_type_function_finalize(GScanMimeTypeFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_mime_type_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction d'identification de types de contenus.*
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GRegisteredItem *g_scan_mime_type_function_new(void)
+{
+    GRegisteredItem *result;                /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_MIME_TYPE_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_mime_type_function_get_name(const GScanMimeTypeFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("mime_type");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_mime_type_function_run_call(GScanMimeTypeFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    magic_t cookie;                         /* Référence des bibliothèques */
+    GBinContent *content;                   /* Contenu à manipuler         */
+    vmpa2t pos;                             /* Tête de lecture             */
+    phys_t size;                            /* Quantité de données dispos. */
+    const bin_t *data;                      /* Accès à des données         */
+    const char *desc;                       /* Description du contenu      */
+    sized_string_t string;                  /* Description à diffuser      */
+
+    result = (count == 0);
+    if (!result) goto exit;
+
+    cookie = get_magic_cookie(MAGIC_MIME_TYPE);
+
+    content = g_scan_context_get_content(ctx);
+
+    g_binary_content_compute_start_pos(content, &pos);
+
+    size = g_binary_content_compute_size(content);
+
+    data = g_binary_content_get_raw_access(content, &pos, size);
+
+    desc = magic_buffer(cookie, data, size);
+
+    if (desc != NULL)
+    {
+        string.data = (char *)desc;
+        string.len = strlen(desc);
+    }
+    else
+    {
+        string.data = "";
+        string.len = 0;
+    }
+
+    *out = G_OBJECT(g_scan_literal_expression_new(LVT_STRING, &string));
+
+    g_object_unref(G_OBJECT(content));
+
+ exit:
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/magic/mime-type.h b/src/analysis/scan/items/magic/mime-type.h
new file mode 100644
index 0000000..e02ce0f
--- /dev/null
+++ b/src/analysis/scan/items/magic/mime-type.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * mime-type.h - prototypes pour la reconnaissance du type MIME d'un contenu
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_MAGIC_MIME_TYPE_H
+#define _ANALYSIS_SCAN_ITEMS_MAGIC_MIME_TYPE_H
+
+
+#include <glib-object.h>
+
+
+#include "../../item.h"
+
+
+
+#define G_TYPE_SCAN_MIME_TYPE_FUNCTION            g_scan_mime_type_function_get_type()
+#define G_SCAN_MIME_TYPE_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_MIME_TYPE_FUNCTION, GScanMimeTypeFunction))
+#define G_IS_SCAN_MIME_TYPE_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_MIME_TYPE_FUNCTION))
+#define G_SCAN_MIME_TYPE_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_MIME_TYPE_FUNCTION, GScanMimeTypeFunctionClass))
+#define G_IS_SCAN_MIME_TYPE_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_MIME_TYPE_FUNCTION))
+#define G_SCAN_MIME_TYPE_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_MIME_TYPE_FUNCTION, GScanMimeTypeFunctionClass))
+
+
+/* Reconnaissance de types de contenus (instance) */
+typedef GRegisteredItem GScanMimeTypeFunction;
+
+/* Reconnaissance de types de contenus (classe) */
+typedef GRegisteredItemClass GScanMimeTypeFunctionClass;
+
+
+/* Indique le type défini pour une reconnaissance de types de contenus. */
+GType g_scan_mime_type_function_get_type(void);
+
+/* Constitue une fonction d'identification de types de contenus. */
+GRegisteredItem *g_scan_mime_type_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_MAGIC_MIME_TYPE_H */
diff --git a/src/analysis/scan/items/magic/type.c b/src/analysis/scan/items/magic/type.c
new file mode 100644
index 0000000..f87c34a
--- /dev/null
+++ b/src/analysis/scan/items/magic/type.c
@@ -0,0 +1,270 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * type.c - reconnaissance du type d'un contenu
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "type.h"
+
+
+#include "cookie.h"
+#include "../../item-int.h"
+#include "../../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des reconnaissances de contenus. */
+static void g_scan_magic_type_function_class_init(GScanMagicTypeFunctionClass *);
+
+/* Initialise une instance de reconnaissance de contenus. */
+static void g_scan_magic_type_function_init(GScanMagicTypeFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_magic_type_function_dispose(GScanMagicTypeFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_magic_type_function_finalize(GScanMagicTypeFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_magic_type_function_get_name(const GScanMagicTypeFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_magic_type_function_run_call(GScanMagicTypeFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour une reconnaissance de types de contenus. */
+G_DEFINE_TYPE(GScanMagicTypeFunction, g_scan_magic_type_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des reconnaissances de contenus.        *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_magic_type_function_class_init(GScanMagicTypeFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_magic_type_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_magic_type_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_magic_type_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_magic_type_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de reconnaissance de contenus.       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_magic_type_function_init(GScanMagicTypeFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_magic_type_function_dispose(GScanMagicTypeFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_magic_type_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_magic_type_function_finalize(GScanMagicTypeFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_magic_type_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction d'identification de types de contenus.*
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GRegisteredItem *g_scan_magic_type_function_new(void)
+{
+    GRegisteredItem *result;                /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_MAGIC_TYPE_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_magic_type_function_get_name(const GScanMagicTypeFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("type");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_magic_type_function_run_call(GScanMagicTypeFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    magic_t cookie;                         /* Référence des bibliothèques */
+    GBinContent *content;                   /* Contenu à manipuler         */
+    vmpa2t pos;                             /* Tête de lecture             */
+    phys_t size;                            /* Quantité de données dispos. */
+    const bin_t *data;                      /* Accès à des données         */
+    const char *desc;                       /* Description du contenu      */
+    sized_string_t string;                  /* Description à diffuser      */
+
+    result = (count == 0);
+    if (!result) goto exit;
+
+    cookie = get_magic_cookie(MAGIC_NONE);
+
+    content = g_scan_context_get_content(ctx);
+
+    g_binary_content_compute_start_pos(content, &pos);
+
+    size = g_binary_content_compute_size(content);
+
+    data = g_binary_content_get_raw_access(content, &pos, size);
+
+    desc = magic_buffer(cookie, data, size);
+
+    if (desc != NULL)
+    {
+        string.data = (char *)desc;
+        string.len = strlen(desc);
+    }
+    else
+    {
+        string.data = "";
+        string.len = 0;
+    }
+
+    *out = G_OBJECT(g_scan_literal_expression_new(LVT_STRING, &string));
+
+    g_object_unref(G_OBJECT(content));
+
+ exit:
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/magic/type.h b/src/analysis/scan/items/magic/type.h
new file mode 100644
index 0000000..bfad213
--- /dev/null
+++ b/src/analysis/scan/items/magic/type.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * type.h - prototypes pour la reconnaissance du type d'un contenu
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_MAGIC_TYPE_H
+#define _ANALYSIS_SCAN_ITEMS_MAGIC_TYPE_H
+
+
+#include <glib-object.h>
+
+
+#include "../../item.h"
+
+
+
+#define G_TYPE_SCAN_MAGIC_TYPE_FUNCTION            g_scan_magic_type_function_get_type()
+#define G_SCAN_MAGIC_TYPE_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_MAGIC_TYPE_FUNCTION, GScanMagicTypeFunction))
+#define G_IS_SCAN_MAGIC_TYPE_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_MAGIC_TYPE_FUNCTION))
+#define G_SCAN_MAGIC_TYPE_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_MAGIC_TYPE_FUNCTION, GScanMagicTypeFunctionClass))
+#define G_IS_SCAN_MAGIC_TYPE_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_MAGIC_TYPE_FUNCTION))
+#define G_SCAN_MAGIC_TYPE_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_MAGIC_TYPE_FUNCTION, GScanMagicTypeFunctionClass))
+
+
+/* Reconnaissance de types de contenus (instance) */
+typedef GRegisteredItem GScanMagicTypeFunction;
+
+/* Reconnaissance de types de contenus (classe) */
+typedef GRegisteredItemClass GScanMagicTypeFunctionClass;
+
+
+/* Indique le type défini pour une reconnaissance de types de contenus. */
+GType g_scan_magic_type_function_get_type(void);
+
+/* Constitue une fonction d'identification de types de contenus. */
+GRegisteredItem *g_scan_magic_type_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_MAGIC_TYPE_H */
diff --git a/src/analysis/scan/items/time/Makefile.am b/src/analysis/scan/items/time/Makefile.am
new file mode 100644
index 0000000..e5330be
--- /dev/null
+++ b/src/analysis/scan/items/time/Makefile.am
@@ -0,0 +1,14 @@
+
+noinst_LTLIBRARIES  = libanalysisscanitemstime.la
+
+
+libanalysisscanitemstime_la_SOURCES =		\
+	make.h make.c							\
+	now.h now.c
+
+libanalysisscanitemstime_la_CFLAGS = $(LIBGOBJ_CFLAGS)
+
+
+devdir = $(includedir)/chrysalide/$(subdir:src/%=core/%)
+
+dev_HEADERS = $(libanalysisscanitemstime_la_SOURCES:%c=)
diff --git a/src/analysis/scan/items/time/make.c b/src/analysis/scan/items/time/make.c
new file mode 100644
index 0000000..477a77c
--- /dev/null
+++ b/src/analysis/scan/items/time/make.c
@@ -0,0 +1,350 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * make.c - construction de volume de secondes à partir d'une date
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "make.h"
+
+
+#include <assert.h>
+#include <time.h>
+
+
+#include "../../item-int.h"
+#include "../../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des conversions de dates en secondes. */
+static void g_scan_time_make_function_class_init(GScanTimeMakeFunctionClass *);
+
+/* Initialise une instance de convertisseur de date en secondes. */
+static void g_scan_time_make_function_init(GScanTimeMakeFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_time_make_function_dispose(GScanTimeMakeFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_time_make_function_finalize(GScanTimeMakeFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_time_make_function_get_name(const GScanTimeMakeFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_time_make_function_run_call(GScanTimeMakeFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour une conversion de date en nombre de secondes. */
+G_DEFINE_TYPE(GScanTimeMakeFunction, g_scan_time_make_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des conversions de dates en secondes.   *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_make_function_class_init(GScanTimeMakeFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_time_make_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_time_make_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_time_make_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_time_make_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de convertisseur de date en secondes.*
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_make_function_init(GScanTimeMakeFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_make_function_dispose(GScanTimeMakeFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_time_make_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_make_function_finalize(GScanTimeMakeFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_time_make_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction de décompte du temps écoulé.          *
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GRegisteredItem *g_scan_time_make_function_new(void)
+{
+    GRegisteredItem *result;                /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_TIME_MAKE_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_time_make_function_get_name(const GScanTimeMakeFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("make");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_time_make_function_run_call(GScanTimeMakeFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    bool status;                            /* Possibilité de construction */
+    size_t i;                               /* Boucle de parcours          */
+    LiteralValueType vtype;                 /* Type de valeur portée       */
+    struct tm date;                         /* Date à mettre en place      */
+    unsigned long long value;               /* Valeur entière à utiliser   */
+    time_t computed;                        /* Nombre de secondes déterminé*/
+
+    /* Validation des arguments */
+
+    result = (count == 3 || count == 6);
+    if (!result) goto exit;
+
+    status = true;
+
+    for (i = 0; i < count && status; i++)
+    {
+        status = G_IS_SCAN_LITERAL_EXPRESSION(args[i]);
+        if (!status) break;
+
+        vtype = g_scan_literal_expression_get_value_type(G_SCAN_LITERAL_EXPRESSION(args[i]));
+
+        status = (vtype == LVT_UNSIGNED_INTEGER);
+        if (!status) break;
+
+    }
+
+    if (!status) goto exit;
+
+    /* Lecture des arguments */
+
+    memset(&date, 0, sizeof(struct tm));
+
+    status = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[0]), &value);
+    assert(status);
+    if (!status) goto exit;
+
+    if (value < 1900)
+    {
+        result = false;
+        goto exit;
+    }
+
+    date.tm_year = value - 1900;
+
+    status = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[1]), &value);
+    assert(status);
+    if (!status) goto exit;
+
+    if (value > 12)
+    {
+        result = false;
+        goto exit;
+    }
+
+    date.tm_mon = value - 1;
+
+    status = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[2]), &value);
+    assert(status);
+    if (!status) goto exit;
+
+    if (value < 1 || value > 31)
+    {
+        result = false;
+        goto exit;
+    }
+
+    date.tm_mday = value;
+
+    if (count == 6)
+    {
+        status = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[3]), &value);
+        assert(status);
+        if (!status) goto exit;
+
+        if (value >= 24)
+        {
+            result = false;
+            goto exit;
+        }
+
+        date.tm_hour = value;
+
+        status = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[4]), &value);
+        assert(status);
+        if (!status) goto exit;
+
+        if (value >= 60)
+        {
+            result = false;
+            goto exit;
+        }
+
+        date.tm_min = value;
+
+        status = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[5]), &value);
+        assert(status);
+        if (!status) goto exit;
+
+        if (value >= 60)
+        {
+            result = false;
+            goto exit;
+        }
+
+        date.tm_sec = value;
+
+    }
+
+    /* Construction de la valeur finale */
+
+    computed = timegm(&date);
+
+    if (computed != (time_t)-1)
+        *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER, (unsigned long long []){ computed }));
+
+ exit:
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/time/make.h b/src/analysis/scan/items/time/make.h
new file mode 100644
index 0000000..958a392
--- /dev/null
+++ b/src/analysis/scan/items/time/make.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * make.h - prototypes pour une construction de volume de secondes à partir d'une date
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_TIME_MAKE_H
+#define _ANALYSIS_SCAN_ITEMS_TIME_MAKE_H
+
+
+#include <glib-object.h>
+
+
+#include "../../item.h"
+
+
+
+#define G_TYPE_SCAN_TIME_MAKE_FUNCTION            g_scan_time_make_function_get_type()
+#define G_SCAN_TIME_MAKE_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_TIME_MAKE_FUNCTION, GScanTimeMakeFunction))
+#define G_IS_SCAN_TIME_MAKE_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_TIME_MAKE_FUNCTION))
+#define G_SCAN_TIME_MAKE_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_TIME_MAKE_FUNCTION, GScanTimeMakeFunctionClass))
+#define G_IS_SCAN_TIME_MAKE_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_TIME_MAKE_FUNCTION))
+#define G_SCAN_TIME_MAKE_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_TIME_MAKE_FUNCTION, GScanTimeMakeFunctionClass))
+
+
+/* Convertisseur de date en nombre de secondes depuis le 01/01/1970 (instance) */
+typedef GRegisteredItem GScanTimeMakeFunction;
+
+/* Convertisseur de date en nombre de secondes depuis le 01/01/1970 (classe) */
+typedef GRegisteredItemClass GScanTimeMakeFunctionClass;
+
+
+/* Indique le type défini pour une conversion de date en nombre de secondes. */
+GType g_scan_time_make_function_get_type(void);
+
+/* Constitue une fonction de décompte du temps écoulé. */
+GRegisteredItem *g_scan_time_make_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_TIME_MAKE_H */
diff --git a/src/analysis/scan/items/time/now.c b/src/analysis/scan/items/time/now.c
new file mode 100644
index 0000000..16c4aef
--- /dev/null
+++ b/src/analysis/scan/items/time/now.c
@@ -0,0 +1,243 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * now.c - décompte du temps écoulé depuis Epoch
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "now.h"
+
+
+#include <time.h>
+
+
+#include "../../item-int.h"
+#include "../../exprs/literal.h"
+
+
+
+/* ---------------------- INTRODUCTION D'UNE NOUVELLE FONCTION ---------------------- */
+
+
+/* Initialise la classe des décomptes de temps écoulé. */
+static void g_scan_time_now_function_class_init(GScanTimeNowFunctionClass *);
+
+/* Initialise une instance de décompte de temps écoulé. */
+static void g_scan_time_now_function_init(GScanTimeNowFunction *);
+
+/* Supprime toutes les références externes. */
+static void g_scan_time_now_function_dispose(GScanTimeNowFunction *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_scan_time_now_function_finalize(GScanTimeNowFunction *);
+
+
+
+/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */
+
+
+/* Indique le nom associé à une expression d'évaluation. */
+static char *g_scan_time_now_function_get_name(const GScanTimeNowFunction *);
+
+/* Réduit une expression à une forme plus simple. */
+static bool g_scan_time_now_function_run_call(GScanTimeNowFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                        INTRODUCTION D'UNE NOUVELLE FONCTION                        */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour un décompte de secondes écoulées depuis le 01/01/1970. */
+G_DEFINE_TYPE(GScanTimeNowFunction, g_scan_time_now_function, G_TYPE_REGISTERED_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des décomptes de temps écoulé.          *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_now_function_class_init(GScanTimeNowFunctionClass *klass)
+{
+    GObjectClass *object;                   /* Autre version de la classe  */
+    GRegisteredItemClass *registered;       /* Version de classe parente   */
+
+    object = G_OBJECT_CLASS(klass);
+
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_time_now_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_time_now_function_finalize;
+
+    registered = G_REGISTERED_ITEM_CLASS(klass);
+
+    registered->get_name = (get_registered_item_name_fc)g_scan_time_now_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_time_now_function_run_call;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de décompte de temps écoulé.         *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_now_function_init(GScanTimeNowFunction *func)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Supprime toutes les références externes.                     *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_now_function_dispose(GScanTimeNowFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_time_now_function_parent_class)->dispose(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : func = instance d'objet GLib à traiter.                      *
+*                                                                             *
+*  Description : Procède à la libération totale de la mémoire.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_scan_time_now_function_finalize(GScanTimeNowFunction *func)
+{
+    G_OBJECT_CLASS(g_scan_time_now_function_parent_class)->finalize(G_OBJECT(func));
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Constitue une fonction de décompte du temps écoulé.          *
+*                                                                             *
+*  Retour      : Fonction mise en place.                                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GRegisteredItem *g_scan_time_now_function_new(void)
+{
+    GRegisteredItem *result;                /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_SCAN_TIME_NOW_FUNCTION, NULL);
+
+    return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                       IMPLEMENTATION DES FONCTIONS DE CLASSE                       */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item = élément d'appel à consulter.                          *
+*                                                                             *
+*  Description : Indique le nom associé à une expression d'évaluation.        *
+*                                                                             *
+*  Retour      : Désignation humaine de l'expression d'évaluation.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static char *g_scan_time_now_function_get_name(const GScanTimeNowFunction *item)
+{
+    char *result;                           /* Désignation à retourner     */
+
+    result = strdup("now");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = élément d'appel à consulter.                         *
+*                args  = liste d'éventuels arguments fournis.                 *
+*                count = taille de cette liste.                               *
+*                ctx   = contexte de suivi de l'analyse courante.             *
+*                scope = portée courante des variables locales.               *
+*                out   = zone d'enregistrement de la résolution opérée. [OUT] *
+*                                                                             *
+*  Description : Réduit une expression à une forme plus simple.               *
+*                                                                             *
+*  Retour      : Réduction correspondante, expression déjà réduite, ou NULL.  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static bool g_scan_time_now_function_run_call(GScanTimeNowFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+{
+    bool result;                            /* Bilan à retourner           */
+    time_t now;                             /* Date relative courante      */
+
+    result = (count == 0);
+    if (!result) goto exit;
+
+    now = time(NULL);
+
+    *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER, (unsigned long long []){ now }));
+
+ exit:
+
+    return result;
+
+}
diff --git a/src/analysis/scan/items/time/now.h b/src/analysis/scan/items/time/now.h
new file mode 100644
index 0000000..6b3faa2
--- /dev/null
+++ b/src/analysis/scan/items/time/now.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * now.h - prototypes pour le décompte du temps écoulé depuis Epoch
+ *
+ * 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ANALYSIS_SCAN_ITEMS_TIME_NOW_H
+#define _ANALYSIS_SCAN_ITEMS_TIME_NOW_H
+
+
+#include <glib-object.h>
+
+
+#include "../../item.h"
+
+
+
+#define G_TYPE_SCAN_TIME_NOW_FUNCTION            g_scan_time_now_function_get_type()
+#define G_SCAN_TIME_NOW_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_TIME_NOW_FUNCTION, GScanTimeNowFunction))
+#define G_IS_SCAN_TIME_NOW_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_TIME_NOW_FUNCTION))
+#define G_SCAN_TIME_NOW_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_TIME_NOW_FUNCTION, GScanTimeNowFunctionClass))
+#define G_IS_SCAN_TIME_NOW_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_TIME_NOW_FUNCTION))
+#define G_SCAN_TIME_NOW_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_TIME_NOW_FUNCTION, GScanTimeNowFunctionClass))
+
+
+/* Décompte du nombre de seccondes écoulées depuis le 01/01/1970 (instance) */
+typedef GRegisteredItem GScanTimeNowFunction;
+
+/* Décompte du nombre de seccondes écoulées depuis le 01/01/1970 (classe) */
+typedef GRegisteredItemClass GScanTimeNowFunctionClass;
+
+
+/* Indique le type défini pour un décompte de secondes écoulées depuis le 01/01/1970. */
+GType g_scan_time_now_function_get_type(void);
+
+/* Constitue une fonction de décompte du temps écoulé. */
+GRegisteredItem *g_scan_time_now_function_new(void);
+
+
+
+#endif  /* _ANALYSIS_SCAN_ITEMS_TIME_NOW_H */
diff --git a/src/analysis/scan/items/uint-int.h b/src/analysis/scan/items/uint-int.h
index 1fa83c5..972d7a0 100644
--- a/src/analysis/scan/items/uint-int.h
+++ b/src/analysis/scan/items/uint-int.h
@@ -2,7 +2,7 @@
 /* Chrysalide - Outil d'analyse de fichiers binaires
  * uint-int.h - prototypes internes pour la lecture d'un mot à partir de données binaires
  *
- * Copyright (C) 2022 Cyrille Bagard
+ * Copyright (C) 2023 Cyrille Bagard
  *
  *  This file is part of Chrysalide.
  *
@@ -33,7 +33,7 @@
 
 
 /* Fonction conduisant à la lecture d'un mot (instance) */
-struct _GUintFunction
+struct _GScanUintFunction
 {
     GRegisteredItem parent;                 /* A laisser en premier        */
 
@@ -43,7 +43,7 @@ struct _GUintFunction
 };
 
 /* Fonction conduisant à la lecture d'un mot (classe) */
-struct _GUintFunctionClass
+struct _GScanUintFunctionClass
 {
     GRegisteredItemClass parent;            /* A laisser en premier        */
 
@@ -51,7 +51,7 @@ struct _GUintFunctionClass
 
 
 /* Met en place un nouvelle fonction de lecture d'entiers. */
-bool g_uint_function_create(GUintFunction *, MemoryDataSize);
+bool g_scan_uint_function_create(GScanUintFunction *, MemoryDataSize, SourceEndian);
 
 
 
diff --git a/src/analysis/scan/items/uint.c b/src/analysis/scan/items/uint.c
index 4fea494..66c7fa9 100644
--- a/src/analysis/scan/items/uint.c
+++ b/src/analysis/scan/items/uint.c
@@ -2,7 +2,7 @@
 /* Chrysalide - Outil d'analyse de fichiers binaires
  * uint.c - lecture d'un mot à partir de données binaires
  *
- * Copyright (C) 2022 Cyrille Bagard
+ * Copyright (C) 2023 Cyrille Bagard
  *
  *  This file is part of Chrysalide.
  *
@@ -29,6 +29,7 @@
 
 #include "uint-int.h"
 #include "../exprs/literal.h"
+#include "../../../common/extstr.h"
 
 
 
@@ -36,16 +37,16 @@
 
 
 /* Initialise la classe des lectures de valeurs entières. */
-static void g_uint_function_class_init(GUintFunctionClass *);
+static void g_scan_uint_function_class_init(GScanUintFunctionClass *);
 
 /* Initialise une instance de lecture de valeur entière. */
-static void g_uint_function_init(GUintFunction *);
+static void g_scan_uint_function_init(GScanUintFunction *);
 
 /* Supprime toutes les références externes. */
-static void g_uint_function_dispose(GUintFunction *);
+static void g_scan_uint_function_dispose(GScanUintFunction *);
 
 /* Procède à la libération totale de la mémoire. */
-static void g_uint_function_finalize(GUintFunction *);
+static void g_scan_uint_function_finalize(GScanUintFunction *);
 
 
 
@@ -53,10 +54,10 @@ static void g_uint_function_finalize(GUintFunction *);
 
 
 /* Indique le nom associé à une expression d'évaluation. */
-static char *g_uint_function_get_name(const GUintFunction *);
+static char *g_scan_uint_function_get_name(const GScanUintFunction *);
 
 /* Réduit une expression à une forme plus simple. */
-static bool g_uint_function_run_call(GUintFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
+static bool g_scan_uint_function_run_call(GScanUintFunction *, GScanExpression **, size_t, GScanContext *, GScanScope *, GObject **);
 
 
 
@@ -66,7 +67,7 @@ static bool g_uint_function_run_call(GUintFunction *, GScanExpression **, size_t
 
 
 /* Indique le type défini pour une lecture de mot à partir de données binaires. */
-G_DEFINE_TYPE(GUintFunction, g_uint_function, G_TYPE_REGISTERED_ITEM);
+G_DEFINE_TYPE(GScanUintFunction, g_scan_uint_function, G_TYPE_REGISTERED_ITEM);
 
 
 /******************************************************************************
@@ -81,20 +82,20 @@ G_DEFINE_TYPE(GUintFunction, g_uint_function, G_TYPE_REGISTERED_ITEM);
 *                                                                             *
 ******************************************************************************/
 
-static void g_uint_function_class_init(GUintFunctionClass *klass)
+static void g_scan_uint_function_class_init(GScanUintFunctionClass *klass)
 {
     GObjectClass *object;                   /* Autre version de la classe  */
     GRegisteredItemClass *registered;       /* Version de classe parente   */
 
     object = G_OBJECT_CLASS(klass);
 
-    object->dispose = (GObjectFinalizeFunc/* ! */)g_uint_function_dispose;
-    object->finalize = (GObjectFinalizeFunc)g_uint_function_finalize;
+    object->dispose = (GObjectFinalizeFunc/* ! */)g_scan_uint_function_dispose;
+    object->finalize = (GObjectFinalizeFunc)g_scan_uint_function_finalize;
 
     registered = G_REGISTERED_ITEM_CLASS(klass);
 
-    registered->get_name = (get_registered_item_name_fc)g_uint_function_get_name;
-    registered->run_call = (run_registered_item_call_fc)g_uint_function_run_call;
+    registered->get_name = (get_registered_item_name_fc)g_scan_uint_function_get_name;
+    registered->run_call = (run_registered_item_call_fc)g_scan_uint_function_run_call;
 
 }
 
@@ -111,7 +112,7 @@ static void g_uint_function_class_init(GUintFunctionClass *klass)
 *                                                                             *
 ******************************************************************************/
 
-static void g_uint_function_init(GUintFunction *func)
+static void g_scan_uint_function_init(GScanUintFunction *func)
 {
     func->size = MDS_UNDEFINED;
     func->endian = SRE_LITTLE;
@@ -131,9 +132,9 @@ static void g_uint_function_init(GUintFunction *func)
 *                                                                             *
 ******************************************************************************/
 
-static void g_uint_function_dispose(GUintFunction *func)
+static void g_scan_uint_function_dispose(GScanUintFunction *func)
 {
-    G_OBJECT_CLASS(g_uint_function_parent_class)->dispose(G_OBJECT(func));
+    G_OBJECT_CLASS(g_scan_uint_function_parent_class)->dispose(G_OBJECT(func));
 
 }
 
@@ -150,9 +151,9 @@ static void g_uint_function_dispose(GUintFunction *func)
 *                                                                             *
 ******************************************************************************/
 
-static void g_uint_function_finalize(GUintFunction *func)
+static void g_scan_uint_function_finalize(GScanUintFunction *func)
 {
-    G_OBJECT_CLASS(g_uint_function_parent_class)->finalize(G_OBJECT(func));
+    G_OBJECT_CLASS(g_scan_uint_function_parent_class)->finalize(G_OBJECT(func));
 
 }
 
@@ -169,13 +170,13 @@ static void g_uint_function_finalize(GUintFunction *func)
 *                                                                             *
 ******************************************************************************/
 
-GUintFunction *g_uint_function_new(MemoryDataSize size)
+GRegisteredItem *g_scan_uint_function_new(MemoryDataSize size, SourceEndian endian)
 {
-    GUintFunction *result;                  /* Structure à retourner       */
+    GRegisteredItem *result;                /* Structure à retourner       */
 
-    result = g_object_new(G_TYPE_UINT_FUNCTION, NULL);
+    result = g_object_new(G_TYPE_SCAN_UINT_FUNCTION, NULL);
 
-    if (!g_uint_function_create(result, size))
+    if (!g_scan_uint_function_create(G_SCAN_UINT_FUNCTION(result), size, endian))
         g_clear_object(&result);
 
     return result;
@@ -196,13 +197,14 @@ GUintFunction *g_uint_function_new(MemoryDataSize size)
 *                                                                             *
 ******************************************************************************/
 
-bool g_uint_function_create(GUintFunction *func, MemoryDataSize size)
+bool g_scan_uint_function_create(GScanUintFunction *func, MemoryDataSize size, SourceEndian endian)
 {
     bool result;                            /* Bilan à retourner           */
 
     result = true;
 
     func->size = size;
+    func->endian = endian;
 
     return result;
 
@@ -227,26 +229,26 @@ bool g_uint_function_create(GUintFunction *func, MemoryDataSize size)
 *                                                                             *
 ******************************************************************************/
 
-static char *g_uint_function_get_name(const GUintFunction *item)
+static char *g_scan_uint_function_get_name(const GScanUintFunction *item)
 {
     char *result;                           /* Désignation à retourner     */
 
-    switch (item->size)
+    switch (item->size & ~MDS_SIGN)
     {
         case MDS_8_BITS_UNSIGNED:
-            result = strdup("uint8");
+            result = strdup("int8");
             break;
 
         case MDS_16_BITS_UNSIGNED:
-            result = strdup("uint16");
+            result = strdup("int16");
             break;
 
         case MDS_32_BITS_UNSIGNED:
-            result = strdup("uint32");
+            result = strdup("int32");
             break;
 
         case MDS_64_BITS_UNSIGNED:
-            result = strdup("uint64");
+            result = strdup("int64");
             break;
 
         default:
@@ -256,6 +258,16 @@ static char *g_uint_function_get_name(const GUintFunction *item)
 
     }
 
+    if (result)
+    {
+        if (!MDS_IS_SIGNED(item->size))
+            result = strprep(result, "u");
+
+        if (item->endian == SRE_BIG)
+            result = stradd(result, "be");
+
+    }
+
     return result;
 
 }
@@ -278,21 +290,25 @@ static char *g_uint_function_get_name(const GUintFunction *item)
 *                                                                             *
 ******************************************************************************/
 
-static bool g_uint_function_run_call(GUintFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
+static bool g_scan_uint_function_run_call(GScanUintFunction *item, GScanExpression **args, size_t count, GScanContext *ctx, GScanScope *scope, GObject **out)
 {
     bool result;                            /* Bilan à retourner           */
     unsigned long long offset;              /* Position du mot ciblé       */
     GBinContent *content;                   /* Contenu à manipuler         */
     vmpa2t pos;                             /* Tête de lecture             */
-    uint8_t val_8;                          /* Valeur entière sur 8 bits   */
-    uint16_t val_16;                        /* Valeur entière sur 16 bits  */
-    uint32_t val_32;                        /* Valeur entière sur 32 bits  */
-    uint64_t val_64;                        /* Valeur entière sur 64 bits  */
-
-    result = (count == 1 && G_IS_LITERAL_EXPRESSION(args[0]));
+    uint8_t val_s8;                          /* Valeur entière sur 8 bits   */
+    uint8_t val_u8;                          /* Valeur entière sur 8 bits   */
+    uint16_t val_s16;                        /* Valeur entière sur 16 bits  */
+    uint16_t val_u16;                        /* Valeur entière sur 16 bits  */
+    uint32_t val_s32;                        /* Valeur entière sur 32 bits  */
+    uint32_t val_u32;                        /* Valeur entière sur 32 bits  */
+    uint64_t val_s64;                        /* Valeur entière sur 64 bits  */
+    uint64_t val_u64;                        /* Valeur entière sur 64 bits  */
+
+    result = (count == 1 && G_IS_SCAN_LITERAL_EXPRESSION(args[0]));
     if (!result) goto exit;
 
-    result = g_literal_expression_get_integer_value(G_LITERAL_EXPRESSION(args[0]), &offset);
+    result = g_scan_literal_expression_get_unsigned_integer_value(G_SCAN_LITERAL_EXPRESSION(args[0]), &offset);
     if (!result) goto exit;
 
     content = g_scan_context_get_content(ctx);
@@ -302,29 +318,60 @@ static bool g_uint_function_run_call(GUintFunction *item, GScanExpression **args
 
     switch (item->size)
     {
+        case MDS_8_BITS_SIGNED:
+            result = g_binary_content_read_s8(content, &pos, &val_s8);
+            if (result)
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_SIGNED_INTEGER,
+                                                              (long long []){ val_s8 }));
+            break;
+
         case MDS_8_BITS_UNSIGNED:
-            result = g_binary_content_read_u8(content, &pos, &val_8);
+            result = g_binary_content_read_u8(content, &pos, &val_u8);
             if (result)
-                *out = G_OBJECT(g_literal_expression_new(EVT_INTEGER, (unsigned long long []){ val_8 }));
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER,
+                                                              (unsigned long long []){ val_u8 }));
+            break;
+
+        case MDS_16_BITS_SIGNED:
+            result = g_binary_content_read_s16(content, &pos, item->endian, &val_s16);
+            if (result)
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_SIGNED_INTEGER,
+                                                              (long long []){ val_s16 }));
             break;
 
         case MDS_16_BITS_UNSIGNED:
-            result = g_binary_content_read_u16(content, &pos, item->endian, &val_16);
+            result = g_binary_content_read_u16(content, &pos, item->endian, &val_u16);
             if (result)
-                *out = G_OBJECT(g_literal_expression_new(EVT_INTEGER, (unsigned long long []){ val_16 }));
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER,
+                                                              (unsigned long long []){ val_u16 }));
+            break;
+
+        case MDS_32_BITS_SIGNED:
+            result = g_binary_content_read_s32(content, &pos, item->endian, &val_s32);
+            if (result)
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_SIGNED_INTEGER,
+                                                              (long long []){ val_s32 }));
             break;
 
         case MDS_32_BITS_UNSIGNED:
-            result = g_binary_content_read_u32(content, &pos, item->endian, &val_32);
+            result = g_binary_content_read_u32(content, &pos, item->endian, &val_u32);
             if (result)
-                *out = G_OBJECT(g_literal_expression_new(EVT_INTEGER, (unsigned long long []){ val_32 }));
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER,
+                                                              (unsigned long long []){ val_u32 }));
             break;
 
+        case MDS_64_BITS_SIGNED:
+            result = g_binary_content_read_s64(content, &pos, item->endian, &val_s64);
+            if (result)
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_SIGNED_INTEGER,
+                                                              (long long []){ val_s64 }));
+            break;
 
         case MDS_64_BITS_UNSIGNED:
-            result = g_binary_content_read_u64(content, &pos, item->endian, &val_64);
+            result = g_binary_content_read_u64(content, &pos, item->endian, &val_u64);
             if (result)
-                *out = G_OBJECT(g_literal_expression_new(EVT_INTEGER, (unsigned long long []){ val_64 }));
+                *out = G_OBJECT(g_scan_literal_expression_new(LVT_UNSIGNED_INTEGER,
+                                                              (unsigned long long []){ val_u64 }));
             break;
 
         default:
diff --git a/src/analysis/scan/items/uint.h b/src/analysis/scan/items/uint.h
index 60f2975..abc2231 100644
--- a/src/analysis/scan/items/uint.h
+++ b/src/analysis/scan/items/uint.h
@@ -2,7 +2,7 @@
 /* Chrysalide - Outil d'analyse de fichiers binaires
  * uint.h - prototypes pour la lecture d'un mot à partir de données binaires
  *
- * Copyright (C) 2022 Cyrille Bagard
+ * Copyright (C) 2023 Cyrille Bagard
  *
  *  This file is part of Chrysalide.
  *
@@ -28,30 +28,31 @@
 #include <glib-object.h>
 
 
+#include "../item.h"
 #include "../../../arch/archbase.h"
 
 
 
-#define G_TYPE_UINT_FUNCTION            g_uint_function_get_type()
-#define G_UINT_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_UINT_FUNCTION, GUintFunction))
-#define G_IS_UINT_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_UINT_FUNCTION))
-#define G_UINT_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_UINT_FUNCTION, GUintFunctionClass))
-#define G_IS_UINT_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_UINT_FUNCTION))
-#define G_UINT_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_UINT_FUNCTION, GUintFunctionClass))
+#define G_TYPE_SCAN_UINT_FUNCTION            g_scan_uint_function_get_type()
+#define G_SCAN_UINT_FUNCTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_SCAN_UINT_FUNCTION, GScanUintFunction))
+#define G_IS_SCAN_UINT_FUNCTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_SCAN_UINT_FUNCTION))
+#define G_SCAN_UINT_FUNCTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_SCAN_UINT_FUNCTION, GScanUintFunctionClass))
+#define G_IS_SCAN_UINT_FUNCTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_SCAN_UINT_FUNCTION))
+#define G_SCAN_UINT_FUNCTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_SCAN_UINT_FUNCTION, GScanUintFunctionClass))
 
 
 /* Fonction conduisant à la lecture d'un mot (instance) */
-typedef struct _GUintFunction GUintFunction;
+typedef struct _GScanUintFunction GScanUintFunction;
 
 /* Fonction conduisant à la lecture d'un mot (classe) */
-typedef struct _GUintFunctionClass GUintFunctionClass;
+typedef struct _GScanUintFunctionClass GScanUintFunctionClass;
 
 
 /* Indique le type défini pour une lecture de mot à partir de données binaires. */
-GType g_uint_function_get_type(void);
+GType g_scan_uint_function_get_type(void);
 
 /* Constitue une fonction de lecture de valeur entière. */
-GUintFunction *g_uint_function_new(MemoryDataSize);
+GRegisteredItem *g_scan_uint_function_new(MemoryDataSize, SourceEndian);