1 files changed, 88 insertions, 0 deletions
diff --git a/src/analysis/scan/patterns/tokens/atom.h b/src/analysis/scan/patterns/tokens/atom.h
new file mode 100644
index 0000000..1ef8f40
--- /dev/null
+++ b/src/analysis/scan/patterns/tokens/atom.h
@@ -0,0 +1,88 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * atom.h - prototypes pour la détermination d'atomes à partir de motifs
+ *
+ * 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_PATTERNS_TOKENS_ATOM_H
+#define _ANALYSIS_SCAN_PATTERNS_TOKENS_ATOM_H
+
+
+#include <stdbool.h>
+
+
+#include "../backend.h"
+#include "../../../../arch/vmpa.h"
+#include "../../../../common/szstr.h"
+
+
+
+/* Suivi des motifs réellement recherchés */
+typedef struct _tracked_scan_atom_t
+{
+    phys_t pos;                             /* Début de sélection atomique */
+    phys_t len;                             /* Taille de ladite sélection  */
+    phys_t rem;                             /* Reste après l'atome         */
+
+    bool fast_check;                        /* Besoin de vérifications ?   */
+
+    uint32_t tmp_id[2];                     /* Couple d'identifiants temp. */
+
+    patid_t pid;                            /* Identifiant de la bribe     */
+
+} tracked_scan_atom_t;
+
+/* Note l'intêret de rechercher un octet particulier. */
+int rate_byte_quality(bin_t, uint8_t *, size_t *, size_t *);
+
+/* Annihile l'intêret de rechercher un octet particulier. */
+int unrate_byte_quality(bin_t, uint8_t *, size_t *, size_t *);
+
+/* Termine la notation d'un ensemble d'octets. */
+int finish_quality_rating(int, size_t, size_t);
+
+/* Détermine la portion idéale de recherche. */
+void find_best_atom(const sized_binary_t *, size_t , tracked_scan_atom_t *, size_t *);
+
+/* Etablit la liste des cas de figures ignorant la casse. */
+sized_binary_t *make_atoms_case_insensitive(const sized_binary_t *, const tracked_scan_atom_t *, size_t);
+
+/* Mémorisation d'un octet visé avec son masque */
+typedef struct _masked_byte_t
+{
+    bin_t value;                            /* Valeur de l'octet visé      */
+    bin_t mask;                             /* Masque à appliquer          */
+
+} masked_byte_t;
+
+#define MASK_MAX_LEN_FOR_ATOMS 2
+
+/* Etablit la liste des cas de figures avec des octets partiels. */
+sized_binary_t *make_atoms_from_masked_bytes(const masked_byte_t *, size_t, size_t *);
+
+/* Amorce l'insertion de l'atome déterminé d'une série d'octets. */
+bool enroll_prepared_atom(const sized_binary_t *, GEngineBackend *, tracked_scan_atom_t *);
+
+/* Récupère un identifiant final pour un atome d'octets. */
+bool build_atom_pattern_id(tracked_scan_atom_t *, GEngineBackend *);
+
+
+
+#endif  /* _ANALYSIS_SCAN_PATTERNS_TOKENS_ATOM_H */