Save an initial version of rost.

1 files changed, 316 insertions, 0 deletions

diff --git a/src/rost.c b/src/rost.c
new file mode 100644
index 0000000..37ca098
--- /dev/null
+++ b/src/rost.c
@@ -0,0 +1,316 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * rost.c - fichier d'entrée du centre de collecte
+ *
+ * Copyright (C) 2023 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include <getopt.h>
+#include <libgen.h>
+#include <locale.h>
+#include <stdlib.h>
+
+
+#include <config.h>
+#include <i18n.h>
+
+
+
+#include "gleak.h"
+#include "analysis/contents/file.h"
+#include "analysis/scan/options.h"
+#include "analysis/scan/scanner.h"
+#include "analysis/scan/patterns/backends/bitap.h"
+#include "analysis/scan/patterns/backends/acism.h"
+#include "core/core.h"
+#include "core/global.h"
+#include "core/logs.h"
+#include "core/paths.h"
+
+
+
+/* Affiche des indications quant à l'utilisation du programme. */
+static void show_rost_help(const char *);
+
+/* Affiche des indications sur la version courante du programme. */
+static void show_rost_version(void);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : name = nom du programme en question.                         *
+*                                                                             *
+*  Description : Affiche des indications quant à l'utilisation du programme.  *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void show_rost_help(const char *name)
+{
+    char *tmp;                              /* Conservation modifiable     */
+    char *base;                             /* Version courte du nom       */
+
+    tmp = strdup(name);
+
+    base = basename(tmp);
+
+    printf("\n");
+
+    printf("Usage: %s [--help] [--version] [--verbosity] [options] <rules file> <file | dir>\n", base);
+
+    printf("\n");
+
+    printf("\t-h --help\t\tShow this help message.\n");
+    printf("\t-v --version\t\tDisplay the program version.\n");
+
+    printf("\n");
+
+    printf("\t-A --algorithm=name\tSelect one of the available algorithms for data: bitmap, acism (default: acsim).\n");
+    printf("\t-S --print-stats\tPrint rules' statistics.\n");
+    printf("\t-V --verbosity=level\tSet the log level (0 for all messages, %u for none).\n", LMT_COUNT);
+
+    printf("\n");
+
+    free(tmp);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Affiche des indications sur la version courante du programme.*
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void show_rost_version(void)
+{
+    char *edir;                             /* Répertoire de base effectif */
+
+    printf("\n");
+
+    printf("-o-  Chrysalide ROST r%u  -o-\n", REVISION);
+    printf(_("Last compiled on %s at %s\n"), __DATE__, __TIME__);
+
+    printf("\n");
+
+    edir = get_effective_directory(PLUGINS_LIB_DIR);
+    printf(_("Plugins library directory: %s\n"), edir);
+    free(edir);
+
+    edir = get_effective_directory(PLUGINS_DATA_DIR);
+    printf(_("Plugins data directory: %s\n"), edir);
+    free(edir);
+
+    edir = get_effective_directory(LOCALE_DIR);
+    printf(_("Locale directory: %s\n"), edir);
+    free(edir);
+
+    printf("\n");
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : argc = nombre d'arguments dans la ligne de commande.         *
+*                argv = arguments de la ligne de commande.                    *
+*                                                                             *
+*  Description : Point d'entrée du programme.                                 *
+*                                                                             *
+*  Retour      : EXIT_SUCCESS si le prgm s'est déroulé sans encombres.        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int main(int argc, char **argv)
+{
+    int result;                             /* Bilan de l'exécution        */
+    bool show_help;                         /* Affichage de l'aide ?       */
+    bool show_version;                      /* Affichage de la version ?   */
+    LogMessageType verbosity;               /* Niveau de filtre de message */
+    GScanOptions *options;                  /* Options d'analyses          */
+    int index;                              /* Indice d'argument           */
+    int ret;                                /* Bilan d'un appel            */
+    char *rules;                            /* Définition de règles        */
+    char *target;                           /* Cible communiquée           */
+    char *edir;                             /* Répertoire de base effectif */
+    GContentScanner *scanner;               /* Encadrement d'une recherche */
+    GBinContent *content;                   /* Contenu à analyser          */
+    GScanContext *context;                  /* Contexte des trouvailles    */
+
+    static struct option long_options[] = {
+        { "help",           no_argument,        NULL,   'h' },
+        { "version",        no_argument,        NULL,   'v' },
+        { "algorithm",      required_argument,  NULL,   'A' },
+        { "print-stats",    no_argument,        NULL,   'S' },
+        { "verbosity",      required_argument,  NULL,   'V' },
+        { NULL,             0,                  NULL,   0 }
+    };
+
+    result = EXIT_FAILURE;
+
+    /* Décodage des options */
+
+    show_help = false;
+    show_version = false;
+
+    verbosity = LMT_INFO;
+
+    options = g_scan_options_new();
+
+    g_scan_options_set_backend_for_data(options, G_TYPE_ACISM_BACKEND);
+
+    while (true)
+    {
+        ret = getopt_long(argc, argv, "hvA:SV:", long_options, &index);
+        if (ret == -1) break;
+
+        switch (ret)
+        {
+            case 'h':
+                show_help = true;
+                break;
+
+            case 'v':
+                show_version = true;
+                break;
+
+            case 'A':
+                if (strcmp(optarg, "bitmap") == 0)
+                    g_scan_options_set_backend_for_data(options, G_TYPE_BITAP_BACKEND);
+                else if (strcmp(optarg, "acism") == 0)
+                    g_scan_options_set_backend_for_data(options, G_TYPE_ACISM_BACKEND);
+                else
+                    g_scan_options_set_backend_for_data(options, G_TYPE_INVALID);
+                break;
+
+            case 'S':
+                g_scan_options_set_print_stats(options, true);
+                break;
+
+            case 'V':
+                verbosity = strtoul(optarg, NULL, 10);
+                break;
+
+        }
+
+    }
+
+    if ((optind + 2) != argc)
+    {
+        show_rost_help(argv[0]);
+        result = EXIT_FAILURE;
+        goto done;
+    }
+
+    rules = argv[optind];
+    target = argv[optind + 1];
+
+    /* Actions de base */
+
+    if (show_help)
+    {
+        show_rost_help(argv[0]);
+        result = EXIT_SUCCESS;
+        goto done;
+    }
+
+    if (show_version)
+    {
+        show_rost_version();
+        result = EXIT_SUCCESS;
+        goto done;
+    }
+
+    if (g_scan_options_get_backend_for_data(options) == G_TYPE_INVALID)
+    {
+        show_rost_help(argv[0]);
+        result = EXIT_FAILURE;
+        goto done;
+    }
+
+    /* Lancement des choses sérieuses */
+
+    setlocale(LC_ALL, "");
+    edir = get_effective_directory(LOCALE_DIR);
+    bindtextdomain(PACKAGE, edir);
+    free(edir);
+    textdomain(PACKAGE);
+
+    /* Initialisation de GTK */
+    g_set_prgname("ROST");
+    //gtk_init(&argc, &argv);
+
+    /* Initialisation du programme */
+
+    set_batch_mode();
+
+    set_log_verbosity(verbosity);
+
+    /*
+    if (!load_all_core_components(false))
+        goto done;
+    */
+
+    /* Traitement des recherches */
+
+    scanner = g_content_scanner_new_from_file(rules);
+
+    content = g_file_content_new(target);
+
+    context = g_content_scanner_analyze(scanner, options, content);
+
+    g_scan_context_display(context);
+
+    g_object_unref(G_OBJECT(context));
+    g_object_unref(G_OBJECT(content));
+
+    g_object_unref(G_OBJECT(scanner));
+
+    g_object_unref(G_OBJECT(options));
+
+    /* Sortie */
+
+    //unload_all_core_components(false);
+
+#ifdef TRACK_GOBJECT_LEAKS
+    remember_gtypes_for_leaks();
+#endif
+
+#ifdef TRACK_GOBJECT_LEAKS
+    dump_remaining_gtypes();
+#endif
+
+ done:
+
+    return result;
+
+}